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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 | 17 October 2021 | 125 | AQI bulletin p.1–11, Index Value column: mean of all 127 city rows — every row in the table |
| Andhra Pradesh | 17 October 2021 | 59 | AQI bulletin p.1–11, Index Value column: mean of 4 city rows placed in Andhra Pradesh — Amaravati (p.1), Rajamahendravaram (p.9), Tirupati (p.10), Visakhapatnam (p.11) |
| Assam | 17 October 2021 | 75 | AQI bulletin p.4, Index Value column: mean of 1 city row placed in Assam — Guwahati (p.4) |
| Bihar | 17 October 2021 | 58 | 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 | 17 October 2021 | 70 | AQI bulletin p.3, Index Value column: mean of 1 city row placed in Chandigarh — Chandigarh (p.3) |
Central Pollution Control Board, Ministry of Environment, Forest and Climate Change. CPCB National Air Quality Index bulletin, 17 October 2021 (127 cities) (published 17 Oct 2021). Archived by the India Health Observatory on 3 Oct 2026, SHA-256 94956d3c4834469d73df09d51e79349326c738e22dee0b501c17425cd082b04e. https://indiahealthobservatory.com/sources/cpcb/releases/1850
| Chhattisgarh | 17 October 2021 | 60 | AQI bulletin p.2, Index Value column: mean of 1 city row placed in Chhattisgarh — Bilaspur (p.2) |
| Delhi | 17 October 2021 | 298 | AQI bulletin p.3, Index Value column: mean of 1 city row placed in Delhi — Delhi (p.3) |
| Gujarat | 17 October 2021 | 180 | AQI bulletin p.1–11, Index Value column: mean of 5 city rows placed in Gujarat — Ahmedabad (p.1), Ankleshwar (p.1), Gandhinagar (p.4), Vapi (p.10), Vatva (p.11) |
| Haryana | 17 October 2021 | 239 | AQI bulletin p.1–11, Index Value column: mean of 21 city rows placed in Haryana — Ambala (p.1), Bahadurgarh (p.2), Ballabgarh (p.2), Bhiwani (p.2), Charkhi Dadri (p.3), Faridabad (p.3), Fatehabad (p.4), Gurugram (p.4), Hisar (p.5), Jind (p.5), Kaithal (p.6), Karnal (p.6), Kurukshetra (p.7), Mandikhera (p.7), Manesar (p.7), Palwal (p.8), Panipat (p.8), Rohtak (p.9), Sirsa (p.10), Sonipat (p.10), Yamunanagar (p.11) |
| Jammu and Kashmir | 17 October 2021 | 44 | AQI bulletin p.10, Index Value column: mean of 1 city row placed in Jammu and Kashmir — Srinagar (p.10) |
| Karnataka | 17 October 2021 | 56 | AQI bulletin p.1–11, Index Value column: mean of 19 city rows placed in Karnataka — Bagalkot (p.1), Bengaluru (p.2), Bidar (p.2), Chamarajanagar (p.3), Chikkaballapur (p.3), Chikkamagaluru (p.3), Davanagere (p.3), Hassan (p.5), Hubballi (p.5), Kalaburgi (p.6), Koppal (p.6), Manglore (p.7), Medikeri (p.7), Mysuru (p.8), Raichur (p.9), Ramanagara (p.9), Shivamogga (p.9), Vijayapura (p.11), Yadgir (p.11) |
| Kerala | 17 October 2021 | 61 | AQI bulletin p.6–10, Index Value column: mean of 3 city rows placed in Kerala — Kannur (p.6), Kollam (p.6), Thiruvananthapuram (p.10) |
| Madhya Pradesh | 17 October 2021 | 83 | AQI bulletin p.2–10, Index Value column: mean of 12 city rows placed in Madhya Pradesh — Bhopal (p.2), Dewas (p.3), Gwalior (p.4), Indore (p.5), Jabalpur (p.5), Katni (p.6), Mandideep (p.7), Pithampur (p.8), Ratlam (p.9), Satna (p.9), Singrauli (p.10), Ujjain (p.10) |
| Maharashtra | 17 October 2021 | 125 | AQI bulletin p.3–10, Index Value column: mean of 7 city rows placed in Maharashtra — Chandrapur (p.3), Kalyan (p.6), Mumbai (p.7), Nashik (p.8), Navi Mumbai (p.8), Pune (p.9), Thane (p.10) |
| Mizoram | 17 October 2021 | 26 | AQI bulletin p.1, Index Value column: mean of 1 city row placed in Mizoram — Aizawl (p.1) |
| Odisha | 17 October 2021 | 48 | AQI bulletin p.2–10, Index Value column: mean of 2 city rows placed in Odisha — Brajrajnagar (p.2), Talcher (p.10) |
| Puducherry | 17 October 2021 | 57 | AQI bulletin p.9, Index Value column: mean of 1 city row placed in Puducherry — Puducherry (p.9) |
| Punjab | 17 October 2021 | 131 | AQI bulletin p.1–9, Index Value column: mean of 7 city rows placed in Punjab — Amritsar (p.1), Bathinda (p.2), Jalandhar (p.5), Khanna (p.6), Mandi Gobindgarh (p.7), Patiala (p.8), Rupnagar (p.9) |
| Rajasthan | 17 October 2021 | 153 | 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.6), Kota (p.7), Pali (p.8), Udaipur (p.10) |
| Tamil Nadu | 17 October 2021 | 60 | 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 | 17 October 2021 | 47 | AQI bulletin p.5, Index Value column: mean of 1 city row placed in Telangana — Hyderabad (p.5) |
| Tripura | 17 October 2021 | 26 | AQI bulletin p.1, Index Value column: mean of 1 city row placed in Tripura — Agartala (p.1) |
| Uttar Pradesh | 17 October 2021 | 174 | AQI bulletin p.1–11, Index Value column: mean of 17 city rows placed in Uttar Pradesh — Agra (p.1), Baghpat (p.2), Bulandshahr (p.2), Firozabad (p.4), Ghaziabad (p.4), Gorakhpur (p.4), Greater Noida (p.4), Hapur (p.5), Kanpur (p.6), Lucknow (p.7), Meerut (p.7), Moradabad (p.7), Muzaffarnagar (p.8), Noida (p.8), Prayagraj (p.9), Varanasi (p.11), Vrindavan (p.11) |
| West Bengal | 17 October 2021 | 39 | 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.5), Howrah (p.5), Kolkata (p.6), Siliguri (p.9) |
| Geography | Period | Value | Where in the document |
|---|---|---|---|
| India | 17 October 2021 | 127 | AQI bulletin p.1–11: count of all 127 city rows — every row in the table |
| Andhra Pradesh | 17 October 2021 | 4 | AQI bulletin p.1–11: count of 4 city rows placed in Andhra Pradesh — Amaravati (p.1), Rajamahendravaram (p.9), Tirupati (p.10), Visakhapatnam (p.11) |
| Assam | 17 October 2021 | 1 | AQI bulletin p.4: count of 1 city row placed in Assam — Guwahati (p.4) |
| Bihar | 17 October 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 | 17 October 2021 | 1 | AQI bulletin p.3: count of 1 city row placed in Chandigarh — Chandigarh (p.3) |
| Chhattisgarh | 17 October 2021 | 1 | AQI bulletin p.2: count of 1 city row placed in Chhattisgarh — Bilaspur (p.2) |
| Delhi | 17 October 2021 | 1 | AQI bulletin p.3: count of 1 city row placed in Delhi — Delhi (p.3) |
| Gujarat | 17 October 2021 | 5 | AQI bulletin p.1–11: count of 5 city rows placed in Gujarat — Ahmedabad (p.1), Ankleshwar (p.1), Gandhinagar (p.4), Vapi (p.10), Vatva (p.11) |
| Haryana | 17 October 2021 | 21 | AQI bulletin p.1–11: count of 21 city rows placed in Haryana — Ambala (p.1), Bahadurgarh (p.2), Ballabgarh (p.2), Bhiwani (p.2), Charkhi Dadri (p.3), Faridabad (p.3), Fatehabad (p.4), Gurugram (p.4), Hisar (p.5), Jind (p.5), Kaithal (p.6), Karnal (p.6), Kurukshetra (p.7), Mandikhera (p.7), Manesar (p.7), Palwal (p.8), Panipat (p.8), Rohtak (p.9), Sirsa (p.10), Sonipat (p.10), Yamunanagar (p.11) |
| Jammu and Kashmir | 17 October 2021 | 1 | AQI bulletin p.10: count of 1 city row placed in Jammu and Kashmir — Srinagar (p.10) |
| Karnataka | 17 October 2021 | 19 | AQI bulletin p.1–11: count of 19 city rows placed in Karnataka — Bagalkot (p.1), Bengaluru (p.2), Bidar (p.2), Chamarajanagar (p.3), Chikkaballapur (p.3), Chikkamagaluru (p.3), Davanagere (p.3), Hassan (p.5), Hubballi (p.5), Kalaburgi (p.6), Koppal (p.6), Manglore (p.7), Medikeri (p.7), Mysuru (p.8), Raichur (p.9), Ramanagara (p.9), Shivamogga (p.9), Vijayapura (p.11), Yadgir (p.11) |
| Kerala | 17 October 2021 | 3 | AQI bulletin p.6–10: count of 3 city rows placed in Kerala — Kannur (p.6), Kollam (p.6), Thiruvananthapuram (p.10) |
| Madhya Pradesh | 17 October 2021 | 12 | AQI bulletin p.2–10: count of 12 city rows placed in Madhya Pradesh — Bhopal (p.2), Dewas (p.3), Gwalior (p.4), Indore (p.5), Jabalpur (p.5), Katni (p.6), Mandideep (p.7), Pithampur (p.8), Ratlam (p.9), Satna (p.9), Singrauli (p.10), Ujjain (p.10) |
| Maharashtra | 17 October 2021 | 7 | AQI bulletin p.3–10: count of 7 city rows placed in Maharashtra — Chandrapur (p.3), Kalyan (p.6), Mumbai (p.7), Nashik (p.8), Navi Mumbai (p.8), Pune (p.9), Thane (p.10) |
| Mizoram | 17 October 2021 | 1 | AQI bulletin p.1: count of 1 city row placed in Mizoram — Aizawl (p.1) |
| Odisha | 17 October 2021 | 2 | AQI bulletin p.2–10: count of 2 city rows placed in Odisha — Brajrajnagar (p.2), Talcher (p.10) |
| Puducherry | 17 October 2021 | 1 | AQI bulletin p.9: count of 1 city row placed in Puducherry — Puducherry (p.9) |
| Punjab | 17 October 2021 | 7 | AQI bulletin p.1–9: count of 7 city rows placed in Punjab — Amritsar (p.1), Bathinda (p.2), Jalandhar (p.5), Khanna (p.6), Mandi Gobindgarh (p.7), Patiala (p.8), Rupnagar (p.9) |
| Rajasthan | 17 October 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.6), Kota (p.7), Pali (p.8), Udaipur (p.10) |
| Tamil Nadu | 17 October 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 | 17 October 2021 | 1 | AQI bulletin p.5: count of 1 city row placed in Telangana — Hyderabad (p.5) |
| Tripura | 17 October 2021 | 1 | AQI bulletin p.1: count of 1 city row placed in Tripura — Agartala (p.1) |
| Uttar Pradesh | 17 October 2021 | 17 | AQI bulletin p.1–11: count of 17 city rows placed in Uttar Pradesh — Agra (p.1), Baghpat (p.2), Bulandshahr (p.2), Firozabad (p.4), Ghaziabad (p.4), Gorakhpur (p.4), Greater Noida (p.4), Hapur (p.5), Kanpur (p.6), Lucknow (p.7), Meerut (p.7), Moradabad (p.7), Muzaffarnagar (p.8), Noida (p.8), Prayagraj (p.9), Varanasi (p.11), Vrindavan (p.11) |
| West Bengal | 17 October 2021 | 6 | AQI bulletin p.1–9: count of 6 city rows placed in West Bengal — Asansol (p.1), Durgapur (p.3), Haldia (p.5), Howrah (p.5), Kolkata (p.6), Siliguri (p.9) |
| Geography | Period | Value | Where in the document |
|---|---|---|---|
| India | 17 October 2021 | 20% | AQI bulletin p.1–11, Index Value column: 26 of all 127 city rows at 201 or more — Ankleshwar 252 (p.1), Baghpat 325 (p.2), Bahadurgarh 269 (p.2), Ballabgarh 243 (p.2), Bhiwadi 351 (p.2), Bhiwani 251 (p.2), Bulandshahr 202 (p.2), Delhi 298 (p.3), Faridabad 312 (p.3), Ghaziabad 310 (p.4), Greater Noida 244 (p.4), Gurugram 332 (p.4), Hapur 209 (p.5), Hisar 285 (p.5), Jind 269 (p.5), Kaithal 274 (p.6), Karnal 260 (p.6), Kurukshetra 230 (p.7), Manesar 321 (p.7), Noida 288 (p.8) … and 6 more |
| Andhra Pradesh | 17 October 2021 | 0% | AQI bulletin p.1–11, Index Value column: none of 4 city rows placed in Andhra Pradesh at 201 or more (highest 83) |
| Assam | 17 October 2021 | 0% | AQI bulletin p.4, Index Value column: none of 1 city row placed in Assam at 201 or more (highest 75) |
| Bihar | 17 October 2021 | 0% | AQI bulletin p.4–8, Index Value column: none of 4 city rows placed in Bihar at 201 or more (highest 65) |
| Chandigarh | 17 October 2021 | 0% | AQI bulletin p.3, Index Value column: none of 1 city row placed in Chandigarh at 201 or more (highest 70) |
| Chhattisgarh | 17 October 2021 | 0% | AQI bulletin p.2, Index Value column: none of 1 city row placed in Chhattisgarh at 201 or more (highest 60) |
| Delhi | 17 October 2021 | 100% | AQI bulletin p.3, Index Value column: 1 of 1 city row placed in Delhi at 201 or more — Delhi 298 (p.3) |
| Gujarat | 17 October 2021 | 40% | AQI bulletin p.1–11, Index Value column: 2 of 5 city rows placed in Gujarat at 201 or more — Ankleshwar 252 (p.1), Vatva 207 (p.11) |
| Haryana | 17 October 2021 | 67% | AQI bulletin p.1–11, Index Value column: 14 of 21 city rows placed in Haryana at 201 or more — Bahadurgarh 269 (p.2), Ballabgarh 243 (p.2), Bhiwani 251 (p.2), Faridabad 312 (p.3), Gurugram 332 (p.4), Hisar 285 (p.5), Jind 269 (p.5), Kaithal 274 (p.6), Karnal 260 (p.6), Kurukshetra 230 (p.7), Manesar 321 (p.7), Panipat 354 (p.8), Rohtak 308 (p.9), Sonipat 267 (p.10) |
| Jammu and Kashmir | 17 October 2021 | 0% | AQI bulletin p.10, Index Value column: none of 1 city row placed in Jammu and Kashmir at 201 or more (highest 44) |
| Karnataka | 17 October 2021 | 0% | AQI bulletin p.1–11, Index Value column: none of 19 city rows placed in Karnataka at 201 or more (highest 97) |
| Kerala | 17 October 2021 | 0% | AQI bulletin p.6–10, Index Value column: none of 3 city rows placed in Kerala at 201 or more (highest 90) |
| Madhya Pradesh | 17 October 2021 | 0% | AQI bulletin p.2–10, Index Value column: none of 12 city rows placed in Madhya Pradesh at 201 or more (highest 125) |
| Maharashtra | 17 October 2021 | 14% | AQI bulletin p.3–10, Index Value column: 1 of 7 city rows placed in Maharashtra at 201 or more — Thane 211 (p.10) |
| Mizoram | 17 October 2021 | 0% | AQI bulletin p.1, Index Value column: none of 1 city row placed in Mizoram at 201 or more (highest 26) |
| Odisha | 17 October 2021 | 0% | AQI bulletin p.2–10, Index Value column: none of 2 city rows placed in Odisha at 201 or more (highest 51) |
| Puducherry | 17 October 2021 | 0% | AQI bulletin p.9, Index Value column: none of 1 city row placed in Puducherry at 201 or more (highest 57) |
| Punjab | 17 October 2021 | 0% | AQI bulletin p.1–9, Index Value column: none of 7 city rows placed in Punjab at 201 or more (highest 153) |
| Rajasthan | 17 October 2021 | 13% | AQI bulletin p.1–10, Index Value column: 1 of 8 city rows placed in Rajasthan at 201 or more — Bhiwadi 351 (p.2) |
| Tamil Nadu | 17 October 2021 | 0% | AQI bulletin p.3–10, Index Value column: none of 3 city rows placed in Tamil Nadu at 201 or more (highest 80) |
| Telangana | 17 October 2021 | 0% | AQI bulletin p.5, Index Value column: none of 1 city row placed in Telangana at 201 or more (highest 47) |
| Tripura | 17 October 2021 | 0% | AQI bulletin p.1, Index Value column: none of 1 city row placed in Tripura at 201 or more (highest 26) |
| Uttar Pradesh | 17 October 2021 | 41% | AQI bulletin p.1–11, Index Value column: 7 of 17 city rows placed in Uttar Pradesh at 201 or more — Baghpat 325 (p.2), Bulandshahr 202 (p.2), Ghaziabad 310 (p.4), Greater Noida 244 (p.4), Hapur 209 (p.5), Noida 288 (p.8), Vrindavan 203 (p.11) |
| West Bengal | 17 October 2021 | 0% | AQI bulletin p.1–9, Index Value column: none of 6 city rows placed in West Bengal at 201 or more (highest 48) |
| Geography | Period | Value | Where in the document |
|---|---|---|---|
| India | 17 October 2021 | 354 | AQI bulletin p.1–11, Index Value column: highest of all 127 city rows — Panipat, S.No 93 (p.8), Very Poor |
| Andhra Pradesh | 17 October 2021 | 83 | AQI bulletin p.1–11, Index Value column: highest of 4 city rows placed in Andhra Pradesh — Visakhapatnam, S.No 124 (p.11), Satisfactory |
| Assam | 17 October 2021 | 75 | AQI bulletin p.4, Index Value column: highest of 1 city row placed in Assam — Guwahati, S.No 46 (p.4), Satisfactory |
| Bihar | 17 October 2021 | 65 | AQI bulletin p.4–8, Index Value column: highest of 4 city rows placed in Bihar — Patna, S.No 95 (p.8), Satisfactory |
| Chandigarh | 17 October 2021 | 70 | AQI bulletin p.3, Index Value column: highest of 1 city row placed in Chandigarh — Chandigarh, S.No 26 (p.3), Satisfactory |
| Chhattisgarh | 17 October 2021 | 60 | AQI bulletin p.2, Index Value column: highest of 1 city row placed in Chhattisgarh — Bilaspur, S.No 22 (p.2), Satisfactory |
| Delhi | 17 October 2021 | 298 | AQI bulletin p.3, Index Value column: highest of 1 city row placed in Delhi — Delhi, S.No 33 (p.3), Poor |
| Gujarat | 17 October 2021 | 252 | AQI bulletin p.1–11, Index Value column: highest of 5 city rows placed in Gujarat — Ankleshwar, S.No 10 (p.1), Poor |
| Haryana | 17 October 2021 | 354 | AQI bulletin p.1–11, Index Value column: highest of 21 city rows placed in Haryana — Panipat, S.No 93 (p.8), Very Poor |
| Jammu and Kashmir | 17 October 2021 | 44 | AQI bulletin p.10, Index Value column: highest of 1 city row placed in Jammu and Kashmir — Srinagar, S.No 112 (p.10), Good |
| Karnataka | 17 October 2021 | 97 | AQI bulletin p.1–11, Index Value column: highest of 19 city rows placed in Karnataka — Hubballi, S.No 54 (p.5), Satisfactory |
| Kerala | 17 October 2021 | 90 | AQI bulletin p.6–10, Index Value column: highest of 3 city rows placed in Kerala — Kollam, S.No 71 (p.6), Satisfactory |
| Madhya Pradesh | 17 October 2021 | 125 | AQI bulletin p.2–10, Index Value column: highest of 12 city rows placed in Madhya Pradesh — Ratlam, S.No 103 (p.9), Moderate |
| Maharashtra | 17 October 2021 | 211 | AQI bulletin p.3–10, Index Value column: highest of 7 city rows placed in Maharashtra — Thane, S.No 114 (p.10), Poor |
| Mizoram | 17 October 2021 | 26 | AQI bulletin p.1, Index Value column: highest of 1 city row placed in Mizoram — Aizawl, S.No 4 (p.1), Good |
| Odisha | 17 October 2021 | 51 | AQI bulletin p.2–10, Index Value column: highest of 2 city rows placed in Odisha — Talcher, S.No 113 (p.10), Satisfactory |
| Puducherry | 17 October 2021 | 57 | AQI bulletin p.9, Index Value column: highest of 1 city row placed in Puducherry — Puducherry, S.No 98 (p.9), Satisfactory |
| Punjab | 17 October 2021 | 153 | AQI bulletin p.1–9, Index Value column: highest of 7 city rows placed in Punjab — Khanna, S.No 69 (p.6), Moderate |
| Rajasthan | 17 October 2021 | 351 | AQI bulletin p.1–10, Index Value column: highest of 8 city rows placed in Rajasthan — Bhiwadi, S.No 18 (p.2), Very Poor |
| Tamil Nadu | 17 October 2021 | 80 | AQI bulletin p.3–10, Index Value column: highest of 3 city rows placed in Tamil Nadu — Gummidipoondi, S.No 44 (p.4), Satisfactory |
| Telangana | 17 October 2021 | 47 | AQI bulletin p.5, Index Value column: highest of 1 city row placed in Telangana — Hyderabad, S.No 55 (p.5), Good |
| Tripura | 17 October 2021 | 26 | AQI bulletin p.1, Index Value column: highest of 1 city row placed in Tripura — Agartala, S.No 1 (p.1), Good |
| Uttar Pradesh | 17 October 2021 | 325 | AQI bulletin p.1–11, Index Value column: highest of 17 city rows placed in Uttar Pradesh — Baghpat, S.No 13 (p.2), Very Poor |
| West Bengal | 17 October 2021 | 48 | AQI bulletin p.1–9, Index Value column: highest of 6 city rows placed in West Bengal — Durgapur, S.No 35 (p.3), Good, Howrah, S.No 53 (p.5), Good |