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Release from Central Pollution Control Board, Ministry of Environment, Forest and Climate Change
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| Geography | Period | Value | Where in the document |
|---|---|---|---|
| India | 11 January 2021 | 143 | AQI bulletin p.1–11, Index Value column: mean of all 122 city rows — every row in the table |
| Andhra Pradesh | 11 January 2021 | 118 | AQI bulletin p.1–10, Index Value column: mean of 4 city rows placed in Andhra Pradesh — Amaravati (p.1), Rajamahendravaram (p.9), Tirupati (p.10), Visakhapatnam (p.10) |
| Assam | 11 January 2021 | 333 | AQI bulletin p.4, Index Value column: mean of 1 city row placed in Assam — Guwahati (p.4) |
| Bihar | 11 January 2021 | 186 | AQI bulletin p.4–8, Index Value column: mean of 4 city rows placed in Bihar — Gaya (p.4), Hajipur (p.4), Muzaffarpur (p.8), Patna (p.8) |
| Chandigarh | 11 January 2021 | 64 | 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, 11 January 2021 (122 cities) (published 11 Jan 2021). Archived by the India Health Observatory on 3 Oct 2026, SHA-256 f2069b48db5ed72292b33d8492575b8dfb2b551feaddd209aa0004e8ee0eb6bd. https://indiahealthobservatory.com/sources/cpcb/releases/2130
| Delhi | 11 January 2021 | 243 | AQI bulletin p.3, Index Value column: mean of 1 city row placed in Delhi — Delhi (p.3) |
| Gujarat | 11 January 2021 | 141 | AQI bulletin p.1–10, 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.10) |
| Haryana | 11 January 2021 | 152 | AQI bulletin p.1–11, Index Value column: mean of 20 city rows placed in Haryana — Ambala (p.1), Bahadurgarh (p.2), Ballabgarh (p.2), Bhiwani (p.2), Charkhi Dadri (p.3), Dharuhera (p.3), Faridabad (p.4), Fatehabad (p.4), Gurugram (p.4), Hisar (p.5), Jind (p.5), Kaithal (p.5), Karnal (p.6), Kurukshetra (p.7), Mandikhera (p.7), Manesar (p.7), Palwal (p.8), Rohtak (p.9), Sonipat (p.9), Yamunanagar (p.11) |
| Jharkhand | 11 January 2021 | 76 | AQI bulletin p.5, Index Value column: mean of 1 city row placed in Jharkhand — Jorapokhar (p.5) |
| Karnataka | 11 January 2021 | 60 | AQI bulletin p.1–11, Index Value column: mean of 16 city rows placed in Karnataka — Bagalkot (p.1), Bengaluru (p.2), Bidar (p.2), Chikkaballapur (p.3), Chikkamagaluru (p.3), Gadag (p.4), Hubballi (p.5), Kalaburgi (p.6), Koppal (p.6), Manglore (p.7), Medikeri (p.7), Mysuru (p.8), Raichur (p.9), Shivamogga (p.9), Vijayapura (p.10), Yadgir (p.11) |
| Kerala | 11 January 2021 | 70 | AQI bulletin p.3–10, Index Value column: mean of 6 city rows placed in Kerala — Eloor (p.3), Ernakulam (p.3), Kannur (p.6), Kozhikode (p.6), Thiruvananthapuram (p.10), Thrissur (p.10) |
| Madhya Pradesh | 11 January 2021 | 176 | AQI bulletin p.2–10, Index Value column: mean of 13 city rows placed in Madhya Pradesh — Bhopal (p.2), Damoh (p.3), Dewas (p.3), Gwalior (p.4), Indore (p.5), Jabalpur (p.5), Katni (p.6), Mandideep (p.7), Pithampur (p.8), Ratlam (p.9), Sagar (p.9), Singrauli (p.9), Ujjain (p.10) |
| Maharashtra | 11 January 2021 | 165 | AQI bulletin p.1–10, Index Value column: mean of 8 city rows placed in Maharashtra — Aurangabad (p.1), Chandrapur (p.2), Kalyan (p.6), Mumbai (p.7), Nashik (p.8), Navi Mumbai (p.8), Pune (p.9), Thane (p.10) |
| Nagaland | 11 January 2021 | 192 | AQI bulletin p.6, Index Value column: mean of 1 city row placed in Nagaland — Kohima (p.6) |
| Odisha | 11 January 2021 | 162 | AQI bulletin p.9, Index Value column: mean of 1 city row placed in Odisha — Talcher (p.9) |
| Punjab | 11 January 2021 | 76 | AQI bulletin p.1–9, Index Value column: mean of 8 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), Rupnagar (p.9) |
| Rajasthan | 11 January 2021 | 120 | 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 | 11 January 2021 | 69 | AQI bulletin p.3–10, Index Value column: mean of 3 city rows placed in Tamil Nadu — Chennai (p.3), Coimbatore (p.3), Thoothukudi (p.10) |
| Telangana | 11 January 2021 | 144 | AQI bulletin p.5, Index Value column: mean of 1 city row placed in Telangana — Hyderabad (p.5) |
| Tripura | 11 January 2021 | 337 | AQI bulletin p.1, Index Value column: mean of 1 city row placed in Tripura — Agartala (p.1) |
| Uttar Pradesh | 11 January 2021 | 212 | AQI bulletin p.1–10, Index Value column: mean of 13 city rows placed in Uttar Pradesh — Agra (p.1), Baghpat (p.2), Bulandshahr (p.2), Ghaziabad (p.4), Greater Noida (p.4), Hapur (p.4), Kanpur (p.6), Lucknow (p.7), Meerut (p.7), Moradabad (p.7), Muzaffarnagar (p.8), Noida (p.8), Varanasi (p.10) |
| West Bengal | 11 January 2021 | 265 | AQI bulletin p.1–9, Index Value column: mean of 5 city rows placed in West Bengal — Asansol (p.1), Durgapur (p.3), Howrah (p.5), Kolkata (p.6), Siliguri (p.9) |
| Geography | Period | Value | Where in the document |
|---|---|---|---|
| India | 11 January 2021 | 122 | AQI bulletin p.1–11: count of all 122 city rows — every row in the table |
| Andhra Pradesh | 11 January 2021 | 4 | AQI bulletin p.1–10: count of 4 city rows placed in Andhra Pradesh — Amaravati (p.1), Rajamahendravaram (p.9), Tirupati (p.10), Visakhapatnam (p.10) |
| Assam | 11 January 2021 | 1 | AQI bulletin p.4: count of 1 city row placed in Assam — Guwahati (p.4) |
| Bihar | 11 January 2021 | 4 | AQI bulletin p.4–8: count of 4 city rows placed in Bihar — Gaya (p.4), Hajipur (p.4), Muzaffarpur (p.8), Patna (p.8) |
| Chandigarh | 11 January 2021 | 1 | AQI bulletin p.2: count of 1 city row placed in Chandigarh — Chandigarh (p.2) |
| Delhi | 11 January 2021 | 1 | AQI bulletin p.3: count of 1 city row placed in Delhi — Delhi (p.3) |
| Gujarat | 11 January 2021 | 6 | AQI bulletin p.1–10: 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.10) |
| Haryana | 11 January 2021 | 20 | AQI bulletin p.1–11: count of 20 city rows placed in Haryana — Ambala (p.1), Bahadurgarh (p.2), Ballabgarh (p.2), Bhiwani (p.2), Charkhi Dadri (p.3), Dharuhera (p.3), Faridabad (p.4), Fatehabad (p.4), Gurugram (p.4), Hisar (p.5), Jind (p.5), Kaithal (p.5), Karnal (p.6), Kurukshetra (p.7), Mandikhera (p.7), Manesar (p.7), Palwal (p.8), Rohtak (p.9), Sonipat (p.9), Yamunanagar (p.11) |
| Jharkhand | 11 January 2021 | 1 | AQI bulletin p.5: count of 1 city row placed in Jharkhand — Jorapokhar (p.5) |
| Karnataka | 11 January 2021 | 16 | AQI bulletin p.1–11: count of 16 city rows placed in Karnataka — Bagalkot (p.1), Bengaluru (p.2), Bidar (p.2), Chikkaballapur (p.3), Chikkamagaluru (p.3), Gadag (p.4), Hubballi (p.5), Kalaburgi (p.6), Koppal (p.6), Manglore (p.7), Medikeri (p.7), Mysuru (p.8), Raichur (p.9), Shivamogga (p.9), Vijayapura (p.10), Yadgir (p.11) |
| Kerala | 11 January 2021 | 6 | AQI bulletin p.3–10: count of 6 city rows placed in Kerala — Eloor (p.3), Ernakulam (p.3), Kannur (p.6), Kozhikode (p.6), Thiruvananthapuram (p.10), Thrissur (p.10) |
| Madhya Pradesh | 11 January 2021 | 13 | AQI bulletin p.2–10: count of 13 city rows placed in Madhya Pradesh — Bhopal (p.2), Damoh (p.3), Dewas (p.3), Gwalior (p.4), Indore (p.5), Jabalpur (p.5), Katni (p.6), Mandideep (p.7), Pithampur (p.8), Ratlam (p.9), Sagar (p.9), Singrauli (p.9), Ujjain (p.10) |
| Maharashtra | 11 January 2021 | 8 | AQI bulletin p.1–10: count of 8 city rows placed in Maharashtra — Aurangabad (p.1), Chandrapur (p.2), Kalyan (p.6), Mumbai (p.7), Nashik (p.8), Navi Mumbai (p.8), Pune (p.9), Thane (p.10) |
| Nagaland | 11 January 2021 | 1 | AQI bulletin p.6: count of 1 city row placed in Nagaland — Kohima (p.6) |
| Odisha | 11 January 2021 | 1 | AQI bulletin p.9: count of 1 city row placed in Odisha — Talcher (p.9) |
| Punjab | 11 January 2021 | 8 | AQI bulletin p.1–9: count of 8 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), Rupnagar (p.9) |
| Rajasthan | 11 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 | 11 January 2021 | 3 | AQI bulletin p.3–10: count of 3 city rows placed in Tamil Nadu — Chennai (p.3), Coimbatore (p.3), Thoothukudi (p.10) |
| Telangana | 11 January 2021 | 1 | AQI bulletin p.5: count of 1 city row placed in Telangana — Hyderabad (p.5) |
| Tripura | 11 January 2021 | 1 | AQI bulletin p.1: count of 1 city row placed in Tripura — Agartala (p.1) |
| Uttar Pradesh | 11 January 2021 | 13 | AQI bulletin p.1–10: count of 13 city rows placed in Uttar Pradesh — Agra (p.1), Baghpat (p.2), Bulandshahr (p.2), Ghaziabad (p.4), Greater Noida (p.4), Hapur (p.4), Kanpur (p.6), Lucknow (p.7), Meerut (p.7), Moradabad (p.7), Muzaffarnagar (p.8), Noida (p.8), Varanasi (p.10) |
| West Bengal | 11 January 2021 | 5 | AQI bulletin p.1–9: count of 5 city rows placed in West Bengal — Asansol (p.1), Durgapur (p.3), Howrah (p.5), Kolkata (p.6), Siliguri (p.9) |
| Geography | Period | Value | Where in the document |
|---|---|---|---|
| India | 11 January 2021 | 24% | AQI bulletin p.1–11, Index Value column: 29 of all 122 city rows at 201 or more — Agartala 337 (p.1), Agra 216 (p.1), Asansol 244 (p.1), Baghpat 228 (p.2), Bhopal 226 (p.2), Bulandshahr 295 (p.2), Delhi 243 (p.3), Durgapur 261 (p.3), Faridabad 235 (p.4), Ghaziabad 283 (p.4), Greater Noida 283 (p.4), Guwahati 333 (p.4), Gwalior 248 (p.4), Hisar 235 (p.5), Howrah 237 (p.5), Jabalpur 206 (p.5), Kalyan 261 (p.6), Katni 229 (p.6), Kolkata 207 (p.6), Meerut 203 (p.7), Mumbai 214 (p.7) … and 8 more |
| Andhra Pradesh | 11 January 2021 | 25% | AQI bulletin p.1–10, Index Value column: 1 of 4 city rows placed in Andhra Pradesh at 201 or more — Visakhapatnam 209 (p.10) |
| Assam | 11 January 2021 | 100% | AQI bulletin p.4, Index Value column: 1 of 1 city row placed in Assam at 201 or more — Guwahati 333 (p.4) |
| Bihar | 11 January 2021 | 25% | AQI bulletin p.4–8, Index Value column: 1 of 4 city rows placed in Bihar at 201 or more — Muzaffarpur 335 (p.8) |
| Chandigarh | 11 January 2021 | 0% | AQI bulletin p.2, Index Value column: none of 1 city row placed in Chandigarh at 201 or more (highest 64) |
| Delhi | 11 January 2021 | 100% | AQI bulletin p.3, Index Value column: 1 of 1 city row placed in Delhi at 201 or more — Delhi 243 (p.3) |
| Gujarat | 11 January 2021 | 17% | AQI bulletin p.1–10, Index Value column: 1 of 6 city rows placed in Gujarat at 201 or more — Vapi 235 (p.10) |
| Haryana | 11 January 2021 | 15% | AQI bulletin p.1–11, Index Value column: 3 of 20 city rows placed in Haryana at 201 or more — Faridabad 235 (p.4), Hisar 235 (p.5), Rohtak 234 (p.9) |
| Jharkhand | 11 January 2021 | 0% | AQI bulletin p.5, Index Value column: none of 1 city row placed in Jharkhand at 201 or more (highest 76) |
| Karnataka | 11 January 2021 | 0% | AQI bulletin p.1–11, Index Value column: none of 16 city rows placed in Karnataka at 201 or more (highest 111) |
| Kerala | 11 January 2021 | 0% | AQI bulletin p.3–10, Index Value column: none of 6 city rows placed in Kerala at 201 or more (highest 85) |
| Madhya Pradesh | 11 January 2021 | 38% | AQI bulletin p.2–10, Index Value column: 5 of 13 city rows placed in Madhya Pradesh at 201 or more — Bhopal 226 (p.2), Gwalior 248 (p.4), Jabalpur 206 (p.5), Katni 229 (p.6), Ujjain 215 (p.10) |
| Maharashtra | 11 January 2021 | 38% | AQI bulletin p.1–10, Index Value column: 3 of 8 city rows placed in Maharashtra at 201 or more — Kalyan 261 (p.6), Mumbai 214 (p.7), Navi Mumbai 254 (p.8) |
| Nagaland | 11 January 2021 | 0% | AQI bulletin p.6, Index Value column: none of 1 city row placed in Nagaland at 201 or more (highest 192) |
| Odisha | 11 January 2021 | 0% | AQI bulletin p.9, Index Value column: none of 1 city row placed in Odisha at 201 or more (highest 162) |
| Punjab | 11 January 2021 | 0% | AQI bulletin p.1–9, Index Value column: none of 8 city rows placed in Punjab at 201 or more (highest 100) |
| Rajasthan | 11 January 2021 | 0% | AQI bulletin p.1–10, Index Value column: none of 8 city rows placed in Rajasthan at 201 or more (highest 197) |
| Tamil Nadu | 11 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 92) |
| Telangana | 11 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 | 11 January 2021 | 100% | AQI bulletin p.1, Index Value column: 1 of 1 city row placed in Tripura at 201 or more — Agartala 337 (p.1) |
| Uttar Pradesh | 11 January 2021 | 54% | AQI bulletin p.1–10, Index Value column: 7 of 13 city rows placed in Uttar Pradesh at 201 or more — Agra 216 (p.1), Baghpat 228 (p.2), Bulandshahr 295 (p.2), Ghaziabad 283 (p.4), Greater Noida 283 (p.4), Meerut 203 (p.7), Noida 264 (p.8) |
| West Bengal | 11 January 2021 | 100% | AQI bulletin p.1–9, Index Value column: 5 of 5 city rows placed in West Bengal at 201 or more — Asansol 244 (p.1), Durgapur 261 (p.3), Howrah 237 (p.5), Kolkata 207 (p.6), Siliguri 374 (p.9) |
| Geography | Period | Value | Where in the document |
|---|---|---|---|
| India | 11 January 2021 | 374 | AQI bulletin p.1–11, Index Value column: highest of all 122 city rows — Siliguri, S.No 105 (p.9), Very Poor |
| Andhra Pradesh | 11 January 2021 | 209 | AQI bulletin p.1–10, Index Value column: highest of 4 city rows placed in Andhra Pradesh — Visakhapatnam, S.No 120 (p.10), Poor |
| Assam | 11 January 2021 | 333 | AQI bulletin p.4, Index Value column: highest of 1 city row placed in Assam — Guwahati, S.No 45 (p.4), Very Poor |
| Bihar | 11 January 2021 | 335 | AQI bulletin p.4–8, Index Value column: highest of 4 city rows placed in Bihar — Muzaffarpur, S.No 86 (p.8), Very Poor |
| Chandigarh | 11 January 2021 | 64 | AQI bulletin p.2, Index Value column: highest of 1 city row placed in Chandigarh — Chandigarh, S.No 23 (p.2), Satisfactory |
| Delhi | 11 January 2021 | 243 | AQI bulletin p.3, Index Value column: highest of 1 city row placed in Delhi — Delhi, S.No 31 (p.3), Poor |
| Gujarat | 11 January 2021 | 235 | AQI bulletin p.1–10, Index Value column: highest of 6 city rows placed in Gujarat — Vapi, S.No 116 (p.10), Poor |
| Haryana | 11 January 2021 | 235 | AQI bulletin p.1–11, Index Value column: highest of 20 city rows placed in Haryana — Faridabad, S.No 37 (p.4), Poor, Hisar, S.No 49 (p.5), Poor |
| Jharkhand | 11 January 2021 | 76 | AQI bulletin p.5, Index Value column: highest of 1 city row placed in Jharkhand — Jorapokhar, S.No 59 (p.5), Satisfactory |
| Karnataka | 11 January 2021 | 111 | AQI bulletin p.1–11, Index Value column: highest of 16 city rows placed in Karnataka — Raichur, S.No 98 (p.9), Moderate |
| Kerala | 11 January 2021 | 85 | AQI bulletin p.3–10, Index Value column: highest of 6 city rows placed in Kerala — Eloor, S.No 35 (p.3), Satisfactory |
| Madhya Pradesh | 11 January 2021 | 248 | AQI bulletin p.2–10, Index Value column: highest of 13 city rows placed in Madhya Pradesh — Gwalior, S.No 46 (p.4), Poor |
| Maharashtra | 11 January 2021 | 261 | AQI bulletin p.1–10, Index Value column: highest of 8 city rows placed in Maharashtra — Kalyan, S.No 62 (p.6), Poor |
| Nagaland | 11 January 2021 | 192 | AQI bulletin p.6, Index Value column: highest of 1 city row placed in Nagaland — Kohima, S.No 68 (p.6), Moderate |
| Odisha | 11 January 2021 | 162 | AQI bulletin p.9, Index Value column: highest of 1 city row placed in Odisha — Talcher, S.No 108 (p.9), Moderate |
| Punjab | 11 January 2021 | 100 | AQI bulletin p.1–9, Index Value column: highest of 8 city rows placed in Punjab — Bathinda, S.No 16 (p.2), Satisfactory |
| Rajasthan | 11 January 2021 | 197 | AQI bulletin p.1–10, Index Value column: highest of 8 city rows placed in Rajasthan — Udaipur, S.No 114 (p.10), Moderate |
| Tamil Nadu | 11 January 2021 | 92 | AQI bulletin p.3–10, Index Value column: highest of 3 city rows placed in Tamil Nadu — Chennai, S.No 26 (p.3), Satisfactory |
| Telangana | 11 January 2021 | 144 | AQI bulletin p.5, Index Value column: highest of 1 city row placed in Telangana — Hyderabad, S.No 52 (p.5), Moderate |
| Tripura | 11 January 2021 | 337 | AQI bulletin p.1, Index Value column: highest of 1 city row placed in Tripura — Agartala, S.No 1 (p.1), Very Poor |
| Uttar Pradesh | 11 January 2021 | 295 | AQI bulletin p.1–10, Index Value column: highest of 13 city rows placed in Uttar Pradesh — Bulandshahr, S.No 22 (p.2), Poor |
| West Bengal | 11 January 2021 | 374 | AQI bulletin p.1–9, Index Value column: highest of 5 city rows placed in West Bengal — Siliguri, S.No 105 (p.9), Very Poor |