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Release from Central Pollution Control Board, Ministry of Environment, Forest and Climate Change
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Fetched directly from the publisher on 3 Oct 2026, 21:00 IST. The copy below is byte-for-byte what the publisher served.
| Geography | Period | Value | Where in the document |
|---|---|---|---|
| India | 31 January 2021 | 178 | AQI bulletin p.1–11, Index Value column: mean of all 124 city rows — every row in the table |
| Andhra Pradesh | 31 January 2021 | 125 | AQI bulletin p.1–10, Index Value column: mean of 3 city rows placed in Andhra Pradesh — Amaravati (p.1), Rajamahendravaram (p.9), Tirupati (p.10) |
| Assam | 31 January 2021 | 310 | AQI bulletin p.4, Index Value column: mean of 1 city row placed in Assam — Guwahati (p.4) |
| Bihar | 31 January 2021 | 233 | AQI bulletin p.4–8, Index Value column: mean of 3 city rows placed in Bihar — Gaya (p.4), Muzaffarpur (p.8), Patna (p.8) |
| Chandigarh | 31 January 2021 | 117 | AQI bulletin p.2, Index Value column: mean of 1 city row placed in Chandigarh — Chandigarh (p.2) |
Central Pollution Control Board, Ministry of Environment, Forest and Climate Change. CPCB National Air Quality Index bulletin, 31 January 2021 (124 cities) (published 31 Jan 2021). Archived by the India Health Observatory on 3 Oct 2026, SHA-256 049520dcda509509c9cd65d78ad2eed27af8dea875ec3d6ee48964dba6cc2138. https://indiahealthobservatory.com/sources/cpcb/releases/2110
| Delhi |
| 31 January 2021 |
| 289 |
| AQI bulletin p.3, Index Value column: mean of 1 city row placed in Delhi — Delhi (p.3) |
| Gujarat | 31 January 2021 | 159 | AQI bulletin p.1–11, Index Value column: mean of 6 city rows placed in Gujarat — Ahmedabad (p.1), Ankleshwar (p.1), Gandhinagar (p.4), Nandesari (p.8), Vapi (p.10), Vatva (p.11) |
| Haryana | 31 January 2021 | 232 | AQI bulletin p.2–11, Index Value column: mean of 21 city rows placed in Haryana — Bahadurgarh (p.2), Ballabgarh (p.2), Bhiwani (p.2), Charkhi Dadri (p.3), Faridabad (p.3), Fatehabad (p.3), Gurugram (p.4), Hisar (p.4), Jind (p.5), Kaithal (p.5), Karnal (p.6), Kurukshetra (p.6), Mandikhera (p.7), Manesar (p.7), Narnaul (p.8), Palwal (p.8), Panchkula (p.8), Rohtak (p.9), Sirsa (p.9), Sonipat (p.10), Yamunanagar (p.11) |
| Jharkhand | 31 January 2021 | 109 | AQI bulletin p.5, Index Value column: mean of 1 city row placed in Jharkhand — Jorapokhar (p.5) |
| Karnataka | 31 January 2021 | 79 | AQI bulletin p.1–11, Index Value column: mean of 15 city rows placed in Karnataka — Bagalkot (p.1), Bengaluru (p.2), Chamarajanagar (p.2), Chikkaballapur (p.3), Chikkamagaluru (p.3), Gadag (p.4), Hubballi (p.5), Kolar (p.6), Koppal (p.6), Manglore (p.7), Medikeri (p.7), Mysuru (p.8), Shivamogga (p.9), Vijayapura (p.11), Yadgir (p.11) |
| Kerala | 31 January 2021 | 114 | AQI bulletin p.3–10, Index Value column: mean of 7 city rows placed in Kerala — Eloor (p.3), Ernakulam (p.3), Kannur (p.5), Kollam (p.6), Kozhikode (p.6), Thiruvananthapuram (p.10), Thrissur (p.10) |
| Madhya Pradesh | 31 January 2021 | 158 | AQI bulletin p.2–10, Index Value column: mean of 14 city rows placed in Madhya Pradesh — Bhopal (p.2), Damoh (p.3), Gwalior (p.4), Indore (p.5), Jabalpur (p.5), Katni (p.6), Maihar (p.7), Mandideep (p.7), Pithampur (p.9), Ratlam (p.9), Sagar (p.9), Satna (p.9), Singrauli (p.9), Ujjain (p.10) |
| Maharashtra | 31 January 2021 | 152 | AQI bulletin p.1–10, Index Value column: mean of 9 city rows placed in Maharashtra — Aurangabad (p.1), Chandrapur (p.3), Kalyan (p.5), Mumbai (p.7), Nashik (p.8), Navi Mumbai (p.8), Pune (p.9), Solapur (p.10), Thane (p.10) |
| Mizoram | 31 January 2021 | 65 | AQI bulletin p.1, Index Value column: mean of 1 city row placed in Mizoram — Aizawl (p.1) |
| Nagaland | 31 January 2021 | 138 | AQI bulletin p.6, Index Value column: mean of 1 city row placed in Nagaland — Kohima (p.6) |
| Odisha | 31 January 2021 | 102 | AQI bulletin p.2–10, Index Value column: mean of 2 city rows placed in Odisha — Brajrajnagar (p.2), Talcher (p.10) |
| Puducherry | 31 January 2021 | 74 | AQI bulletin p.9, Index Value column: mean of 1 city row placed in Puducherry — Puducherry (p.9) |
| Punjab | 31 January 2021 | 155 | AQI bulletin p.1–8, Index Value column: mean of 7 city rows placed in Punjab — Amritsar (p.1), Bathinda (p.2), Jalandhar (p.5), Khanna (p.6), Ludhiana (p.7), Mandi Gobindgarh (p.7), Patiala (p.8) |
| Rajasthan | 31 January 2021 | 166 | AQI bulletin p.1–10, Index Value column: mean of 8 city rows placed in Rajasthan — Ajmer (p.1), Alwar (p.1), Bhiwadi (p.2), Jaipur (p.5), Jodhpur (p.5), Kota (p.6), Pali (p.8), Udaipur (p.10) |
| Tamil Nadu | 31 January 2021 | 91 | AQI bulletin p.3–10, Index Value column: mean of 3 city rows placed in Tamil Nadu — Chennai (p.3), Gummidipoondi (p.4), Thoothukudi (p.10) |
| Telangana | 31 January 2021 | 144 | AQI bulletin p.5, Index Value column: mean of 1 city row placed in Telangana — Hyderabad (p.5) |
| Tripura | 31 January 2021 | 241 | AQI bulletin p.1, Index Value column: mean of 1 city row placed in Tripura — Agartala (p.1) |
| Uttar Pradesh | 31 January 2021 | 326 | AQI bulletin p.1–10, Index Value column: mean of 11 city rows placed in Uttar Pradesh — Agra (p.1), Baghpat (p.2), Bulandshahr (p.2), Ghaziabad (p.4), Greater Noida (p.4), Kanpur (p.6), Lucknow (p.7), Meerut (p.7), Moradabad (p.7), Noida (p.8), Varanasi (p.10) |
| West Bengal | 31 January 2021 | 274 | AQI bulletin p.1–9, Index Value column: mean of 6 city rows placed in West Bengal — Asansol (p.1), Durgapur (p.3), Haldia (p.4), Howrah (p.4), Kolkata (p.6), Siliguri (p.9) |
| Geography | Period | Value | Where in the document |
|---|---|---|---|
| India | 31 January 2021 | 124 | AQI bulletin p.1–11: count of all 124 city rows — every row in the table |
| Andhra Pradesh | 31 January 2021 | 3 | AQI bulletin p.1–10: count of 3 city rows placed in Andhra Pradesh — Amaravati (p.1), Rajamahendravaram (p.9), Tirupati (p.10) |
| Assam | 31 January 2021 | 1 | AQI bulletin p.4: count of 1 city row placed in Assam — Guwahati (p.4) |
| Bihar | 31 January 2021 | 3 | AQI bulletin p.4–8: count of 3 city rows placed in Bihar — Gaya (p.4), Muzaffarpur (p.8), Patna (p.8) |
| Chandigarh | 31 January 2021 | 1 | AQI bulletin p.2: count of 1 city row placed in Chandigarh — Chandigarh (p.2) |
| Delhi | 31 January 2021 | 1 | AQI bulletin p.3: count of 1 city row placed in Delhi — Delhi (p.3) |
| Gujarat | 31 January 2021 | 6 | AQI bulletin p.1–11: count of 6 city rows placed in Gujarat — Ahmedabad (p.1), Ankleshwar (p.1), Gandhinagar (p.4), Nandesari (p.8), Vapi (p.10), Vatva (p.11) |
| Haryana | 31 January 2021 | 21 | AQI bulletin p.2–11: count of 21 city rows placed in Haryana — Bahadurgarh (p.2), Ballabgarh (p.2), Bhiwani (p.2), Charkhi Dadri (p.3), Faridabad (p.3), Fatehabad (p.3), Gurugram (p.4), Hisar (p.4), Jind (p.5), Kaithal (p.5), Karnal (p.6), Kurukshetra (p.6), Mandikhera (p.7), Manesar (p.7), Narnaul (p.8), Palwal (p.8), Panchkula (p.8), Rohtak (p.9), Sirsa (p.9), Sonipat (p.10), Yamunanagar (p.11) |
| Jharkhand | 31 January 2021 | 1 | AQI bulletin p.5: count of 1 city row placed in Jharkhand — Jorapokhar (p.5) |
| Karnataka | 31 January 2021 | 15 | AQI bulletin p.1–11: count of 15 city rows placed in Karnataka — Bagalkot (p.1), Bengaluru (p.2), Chamarajanagar (p.2), Chikkaballapur (p.3), Chikkamagaluru (p.3), Gadag (p.4), Hubballi (p.5), Kolar (p.6), Koppal (p.6), Manglore (p.7), Medikeri (p.7), Mysuru (p.8), Shivamogga (p.9), Vijayapura (p.11), Yadgir (p.11) |
| Kerala | 31 January 2021 | 7 | AQI bulletin p.3–10: count of 7 city rows placed in Kerala — Eloor (p.3), Ernakulam (p.3), Kannur (p.5), Kollam (p.6), Kozhikode (p.6), Thiruvananthapuram (p.10), Thrissur (p.10) |
| Madhya Pradesh | 31 January 2021 | 14 | AQI bulletin p.2–10: count of 14 city rows placed in Madhya Pradesh — Bhopal (p.2), Damoh (p.3), Gwalior (p.4), Indore (p.5), Jabalpur (p.5), Katni (p.6), Maihar (p.7), Mandideep (p.7), Pithampur (p.9), Ratlam (p.9), Sagar (p.9), Satna (p.9), Singrauli (p.9), Ujjain (p.10) |
| Maharashtra | 31 January 2021 | 9 | AQI bulletin p.1–10: count of 9 city rows placed in Maharashtra — Aurangabad (p.1), Chandrapur (p.3), Kalyan (p.5), Mumbai (p.7), Nashik (p.8), Navi Mumbai (p.8), Pune (p.9), Solapur (p.10), Thane (p.10) |
| Mizoram | 31 January 2021 | 1 | AQI bulletin p.1: count of 1 city row placed in Mizoram — Aizawl (p.1) |
| Nagaland | 31 January 2021 | 1 | AQI bulletin p.6: count of 1 city row placed in Nagaland — Kohima (p.6) |
| Odisha | 31 January 2021 | 2 | AQI bulletin p.2–10: count of 2 city rows placed in Odisha — Brajrajnagar (p.2), Talcher (p.10) |
| Puducherry | 31 January 2021 | 1 | AQI bulletin p.9: count of 1 city row placed in Puducherry — Puducherry (p.9) |
| Punjab | 31 January 2021 | 7 | AQI bulletin p.1–8: count of 7 city rows placed in Punjab — Amritsar (p.1), Bathinda (p.2), Jalandhar (p.5), Khanna (p.6), Ludhiana (p.7), Mandi Gobindgarh (p.7), Patiala (p.8) |
| Rajasthan | 31 January 2021 | 8 | AQI bulletin p.1–10: count of 8 city rows placed in Rajasthan — Ajmer (p.1), Alwar (p.1), Bhiwadi (p.2), Jaipur (p.5), Jodhpur (p.5), Kota (p.6), Pali (p.8), Udaipur (p.10) |
| Tamil Nadu | 31 January 2021 | 3 | AQI bulletin p.3–10: count of 3 city rows placed in Tamil Nadu — Chennai (p.3), Gummidipoondi (p.4), Thoothukudi (p.10) |
| Telangana | 31 January 2021 | 1 | AQI bulletin p.5: count of 1 city row placed in Telangana — Hyderabad (p.5) |
| Tripura | 31 January 2021 | 1 | AQI bulletin p.1: count of 1 city row placed in Tripura — Agartala (p.1) |
| Uttar Pradesh | 31 January 2021 | 11 | AQI bulletin p.1–10: count of 11 city rows placed in Uttar Pradesh — Agra (p.1), Baghpat (p.2), Bulandshahr (p.2), Ghaziabad (p.4), Greater Noida (p.4), Kanpur (p.6), Lucknow (p.7), Meerut (p.7), Moradabad (p.7), Noida (p.8), Varanasi (p.10) |
| West Bengal | 31 January 2021 | 6 | AQI bulletin p.1–9: count of 6 city rows placed in West Bengal — Asansol (p.1), Durgapur (p.3), Haldia (p.4), Howrah (p.4), Kolkata (p.6), Siliguri (p.9) |
| Geography | Period | Value | Where in the document |
|---|---|---|---|
| India | 31 January 2021 | 39% | AQI bulletin p.1–11, Index Value column: 48 of all 124 city rows at 201 or more — Agartala 241 (p.1), Agra 277 (p.1), Amritsar 256 (p.1), Ankleshwar 201 (p.1), Asansol 244 (p.1), Baghpat 312 (p.2), Bahadurgarh 274 (p.2), Ballabgarh 204 (p.2), Bhiwadi 252 (p.2), Bulandshahr 339 (p.2), Charkhi Dadri 315 (p.3), Delhi 289 (p.3), Durgapur 326 (p.3), Faridabad 311 (p.3), Fatehabad 228 (p.3), Ghaziabad 394 (p.4), Greater Noida 352 (p.4), Gurugram 303 (p.4), Guwahati 310 (p.4) … and 29 more |
| Andhra Pradesh | 31 January 2021 | 0% | AQI bulletin p.1–10, Index Value column: none of 3 city rows placed in Andhra Pradesh at 201 or more (highest 151) |
| Assam | 31 January 2021 | 100% | AQI bulletin p.4, Index Value column: 1 of 1 city row placed in Assam at 201 or more — Guwahati 310 (p.4) |
| Bihar | 31 January 2021 | 67% | AQI bulletin p.4–8, Index Value column: 2 of 3 city rows placed in Bihar at 201 or more — Muzaffarpur 290 (p.8), Patna 265 (p.8) |
| Chandigarh | 31 January 2021 | 0% | AQI bulletin p.2, Index Value column: none of 1 city row placed in Chandigarh at 201 or more (highest 117) |
| Delhi | 31 January 2021 | 100% | AQI bulletin p.3, Index Value column: 1 of 1 city row placed in Delhi at 201 or more — Delhi 289 (p.3) |
| Gujarat | 31 January 2021 | 33% | AQI bulletin p.1–11, Index Value column: 2 of 6 city rows placed in Gujarat at 201 or more — Ankleshwar 201 (p.1), Vapi 218 (p.10) |
| Haryana | 31 January 2021 | 71% | AQI bulletin p.2–11, Index Value column: 15 of 21 city rows placed in Haryana at 201 or more — Bahadurgarh 274 (p.2), Ballabgarh 204 (p.2), Charkhi Dadri 315 (p.3), Faridabad 311 (p.3), Fatehabad 228 (p.3), Gurugram 303 (p.4), Hisar 286 (p.4), Jind 271 (p.5), Kaithal 209 (p.5), Karnal 219 (p.6), Kurukshetra 236 (p.6), Mandikhera 211 (p.7), Narnaul 327 (p.8), Rohtak 241 (p.9), Yamunanagar 276 (p.11) |
| Jharkhand | 31 January 2021 | 0% | AQI bulletin p.5, Index Value column: none of 1 city row placed in Jharkhand at 201 or more (highest 109) |
| Karnataka | 31 January 2021 | 0% | AQI bulletin p.1–11, Index Value column: none of 15 city rows placed in Karnataka at 201 or more (highest 127) |
| Kerala | 31 January 2021 | 0% | AQI bulletin p.3–10, Index Value column: none of 7 city rows placed in Kerala at 201 or more (highest 191) |
| Madhya Pradesh | 31 January 2021 | 29% | AQI bulletin p.2–10, Index Value column: 4 of 14 city rows placed in Madhya Pradesh at 201 or more — Gwalior 233 (p.4), Jabalpur 261 (p.5), Katni 269 (p.6), Singrauli 244 (p.9) |
| Maharashtra | 31 January 2021 | 22% | AQI bulletin p.1–10, Index Value column: 2 of 9 city rows placed in Maharashtra at 201 or more — Kalyan 231 (p.5), Thane 245 (p.10) |
| Mizoram | 31 January 2021 | 0% | AQI bulletin p.1, Index Value column: none of 1 city row placed in Mizoram at 201 or more (highest 65) |
| Nagaland | 31 January 2021 | 0% | AQI bulletin p.6, Index Value column: none of 1 city row placed in Nagaland at 201 or more (highest 138) |
| Odisha | 31 January 2021 | 0% | AQI bulletin p.2–10, Index Value column: none of 2 city rows placed in Odisha at 201 or more (highest 126) |
| Puducherry | 31 January 2021 | 0% | AQI bulletin p.9, Index Value column: none of 1 city row placed in Puducherry at 201 or more (highest 74) |
| Punjab | 31 January 2021 | 14% | AQI bulletin p.1–8, Index Value column: 1 of 7 city rows placed in Punjab at 201 or more — Amritsar 256 (p.1) |
| Rajasthan | 31 January 2021 | 25% | AQI bulletin p.1–10, Index Value column: 2 of 8 city rows placed in Rajasthan at 201 or more — Bhiwadi 252 (p.2), Jodhpur 222 (p.5) |
| Tamil Nadu | 31 January 2021 | 0% | AQI bulletin p.3–10, Index Value column: none of 3 city rows placed in Tamil Nadu at 201 or more (highest 138) |
| Telangana | 31 January 2021 | 0% | AQI bulletin p.5, Index Value column: none of 1 city row placed in Telangana at 201 or more (highest 144) |
| Tripura | 31 January 2021 | 100% | AQI bulletin p.1, Index Value column: 1 of 1 city row placed in Tripura at 201 or more — Agartala 241 (p.1) |
| Uttar Pradesh | 31 January 2021 | 100% | AQI bulletin p.1–10, Index Value column: 11 of 11 city rows placed in Uttar Pradesh at 201 or more — Agra 277 (p.1), Baghpat 312 (p.2), Bulandshahr 339 (p.2), Ghaziabad 394 (p.4), Greater Noida 352 (p.4), Kanpur 312 (p.6), Lucknow 324 (p.7), Meerut 308 (p.7), Moradabad 394 (p.7), Noida 331 (p.8), Varanasi 247 (p.10) |
| West Bengal | 31 January 2021 | 100% | AQI bulletin p.1–9, Index Value column: 6 of 6 city rows placed in West Bengal at 201 or more — Asansol 244 (p.1), Durgapur 326 (p.3), Haldia 202 (p.4), Howrah 293 (p.4), Kolkata 302 (p.6), Siliguri 275 (p.9) |
| Geography | Period | Value | Where in the document |
|---|---|---|---|
| India | 31 January 2021 | 394 | AQI bulletin p.1–11, Index Value column: highest of all 124 city rows — Ghaziabad, S.No 40 (p.4), Very Poor, Moradabad, S.No 83 (p.7), Very Poor |
| Andhra Pradesh | 31 January 2021 | 151 | AQI bulletin p.1–10, Index Value column: highest of 3 city rows placed in Andhra Pradesh — Rajamahendravaram, S.No 100 (p.9), Moderate |
| Assam | 31 January 2021 | 310 | AQI bulletin p.4, Index Value column: highest of 1 city row placed in Assam — Guwahati, S.No 44 (p.4), Very Poor |
| Bihar | 31 January 2021 | 290 | AQI bulletin p.4–8, Index Value column: highest of 3 city rows placed in Bihar — Muzaffarpur, S.No 85 (p.8), Poor |
| Chandigarh | 31 January 2021 | 117 | AQI bulletin p.2, Index Value column: highest of 1 city row placed in Chandigarh — Chandigarh, S.No 24 (p.2), Moderate |
| Delhi | 31 January 2021 | 289 | AQI bulletin p.3, Index Value column: highest of 1 city row placed in Delhi — Delhi, S.No 31 (p.3), Poor |
| Gujarat | 31 January 2021 | 218 | AQI bulletin p.1–11, Index Value column: highest of 6 city rows placed in Gujarat — Vapi, S.No 119 (p.10), Poor |
| Haryana | 31 January 2021 | 327 | AQI bulletin p.2–11, Index Value column: highest of 21 city rows placed in Haryana — Narnaul, S.No 88 (p.8), Very Poor |
| Jharkhand | 31 January 2021 | 109 | AQI bulletin p.5, Index Value column: highest of 1 city row placed in Jharkhand — Jorapokhar, S.No 57 (p.5), Moderate |
| Karnataka | 31 January 2021 | 127 | AQI bulletin p.1–11, Index Value column: highest of 15 city rows placed in Karnataka — Hubballi, S.No 49 (p.5), Moderate |
| Kerala | 31 January 2021 | 191 | AQI bulletin p.3–10, Index Value column: highest of 7 city rows placed in Kerala — Kollam, S.No 68 (p.6), Moderate |
| Madhya Pradesh | 31 January 2021 | 269 | AQI bulletin p.2–10, Index Value column: highest of 14 city rows placed in Madhya Pradesh — Katni, S.No 63 (p.6), Poor |
| Maharashtra | 31 January 2021 | 245 | AQI bulletin p.1–10, Index Value column: highest of 9 city rows placed in Maharashtra — Thane, S.No 112 (p.10), Poor |
| Mizoram | 31 January 2021 | 65 | AQI bulletin p.1, Index Value column: highest of 1 city row placed in Mizoram — Aizawl, S.No 4 (p.1), Satisfactory |
| Nagaland | 31 January 2021 | 138 | AQI bulletin p.6, Index Value column: highest of 1 city row placed in Nagaland — Kohima, S.No 65 (p.6), Moderate |
| Odisha | 31 January 2021 | 126 | AQI bulletin p.2–10, Index Value column: highest of 2 city rows placed in Odisha — Talcher, S.No 111 (p.10), Moderate |
| Puducherry | 31 January 2021 | 74 | AQI bulletin p.9, Index Value column: highest of 1 city row placed in Puducherry — Puducherry, S.No 98 (p.9), Satisfactory |
| Punjab | 31 January 2021 | 256 | AQI bulletin p.1–8, Index Value column: highest of 7 city rows placed in Punjab — Amritsar, S.No 8 (p.1), Poor |
| Rajasthan | 31 January 2021 | 252 | AQI bulletin p.1–10, Index Value column: highest of 8 city rows placed in Rajasthan — Bhiwadi, S.No 18 (p.2), Poor |
| Tamil Nadu | 31 January 2021 | 138 | AQI bulletin p.3–10, Index Value column: highest of 3 city rows placed in Tamil Nadu — Gummidipoondi, S.No 42 (p.4), Moderate |
| Telangana | 31 January 2021 | 144 | AQI bulletin p.5, Index Value column: highest of 1 city row placed in Telangana — Hyderabad, S.No 50 (p.5), Moderate |
| Tripura | 31 January 2021 | 241 | AQI bulletin p.1, Index Value column: highest of 1 city row placed in Tripura — Agartala, S.No 1 (p.1), Poor |
| Uttar Pradesh | 31 January 2021 | 394 | AQI bulletin p.1–10, Index Value column: highest of 11 city rows placed in Uttar Pradesh — Ghaziabad, S.No 40 (p.4), Very Poor, Moradabad, S.No 83 (p.7), Very Poor |
| West Bengal | 31 January 2021 | 326 | AQI bulletin p.1–9, Index Value column: highest of 6 city rows placed in West Bengal — Durgapur, S.No 32 (p.3), Very Poor |