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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 | 4 May 2021 | 105 | AQI bulletin p.1–11, Index Value column: mean of all 122 city rows — every row in the table |
| Andhra Pradesh | 4 May 2021 | 43 | AQI bulletin p.1–10, Index Value column: mean of 3 city rows placed in Andhra Pradesh — Amaravati (p.1), Rajamahendravaram (p.9), Visakhapatnam (p.10) |
| Assam | 4 May 2021 | 46 | AQI bulletin p.4, Index Value column: mean of 1 city row placed in Assam — Guwahati (p.4) |
| Bihar | 4 May 2021 | 127 | AQI bulletin p.4–8, Index Value column: mean of 4 city rows placed in Bihar — Gaya (p.4), Hajipur (p.4), Muzaffarpur (p.7), Patna (p.8) |
| Chandigarh | 4 May 2021 | 121 | 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, 4 May 2021 (122 cities) (published 4 May 2021). Archived by the India Health Observatory on 3 Oct 2026, SHA-256 de8ff8ffaf6279003c6b62b2b7c352cfa2edbbba742a3fd497bd5d983ca2c71d. https://indiahealthobservatory.com/sources/cpcb/releases/2017
| Delhi |
| 4 May 2021 |
| 173 |
| AQI bulletin p.3, Index Value column: mean of 1 city row placed in Delhi — Delhi (p.3) |
| Gujarat | 4 May 2021 | 106 | AQI bulletin p.1–10, Index Value column: mean of 5 city rows placed in Gujarat — Ahmedabad (p.1), Ankleshwar (p.1), Gandhinagar (p.3), Nandesari (p.7), Vatva (p.10) |
| Haryana | 4 May 2021 | 169 | AQI bulletin p.1–11, Index Value column: mean of 23 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.3), Gurugram (p.4), Hisar (p.4), Jind (p.5), Kaithal (p.5), Karnal (p.5), Kurukshetra (p.6), Mandikhera (p.7), Manesar (p.7), Narnaul (p.7), Palwal (p.8), Panchkula (p.8), Panipat (p.8), Rohtak (p.9), Sirsa (p.9), Sonipat (p.10), Yamunanagar (p.11) |
| Jammu and Kashmir | 4 May 2021 | 98 | AQI bulletin p.10, Index Value column: mean of 1 city row placed in Jammu and Kashmir — Srinagar (p.10) |
| Karnataka | 4 May 2021 | 56 | AQI bulletin p.1–11, Index Value column: mean of 16 city rows placed in Karnataka — Bagalkot (p.1), Bengaluru (p.2), Chamarajanagar (p.2), Chikkaballapur (p.3), Chikkamagaluru (p.3), Hassan (p.4), Hubballi (p.5), Koppal (p.6), Manglore (p.7), Medikeri (p.7), Mysuru (p.7), Raichur (p.9), Shivamogga (p.9), Udupi (p.10), Vijayapura (p.10), Yadgir (p.11) |
| Kerala | 4 May 2021 | 64 | AQI bulletin p.3–10, Index Value column: mean of 6 city rows placed in Kerala — Ernakulam (p.3), Kannur (p.5), Kochi (p.6), Kollam (p.6), Thiruvananthapuram (p.10), Thrissur (p.10) |
| Madhya Pradesh | 4 May 2021 | 72 | AQI bulletin p.2–10, Index Value column: mean of 14 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.6), Pithampur (p.8), Ratlam (p.9), Sagar (p.9), Satna (p.9), Singrauli (p.9), Ujjain (p.10) |
| Maharashtra | 4 May 2021 | 63 | AQI bulletin p.2–9, Index Value column: mean of 7 city rows placed in Maharashtra — Chandrapur (p.2), Mumbai (p.7), Nagpur (p.7), Nashik (p.8), Navi Mumbai (p.8), Pune (p.8), Solapur (p.9) |
| Mizoram | 4 May 2021 | 18 | AQI bulletin p.1, Index Value column: mean of 1 city row placed in Mizoram — Aizawl (p.1) |
| Odisha | 4 May 2021 | 66 | AQI bulletin p.2–10, Index Value column: mean of 2 city rows placed in Odisha — Brajrajnagar (p.2), Talcher (p.10) |
| Puducherry | 4 May 2021 | 19 | AQI bulletin p.8, Index Value column: mean of 1 city row placed in Puducherry — Puducherry (p.8) |
| Punjab | 4 May 2021 | 137 | 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.6), Mandi Gobindgarh (p.6), Patiala (p.8), Rupnagar (p.9) |
| Rajasthan | 4 May 2021 | 100 | 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 | 4 May 2021 | 51 | AQI bulletin p.3, Index Value column: mean of 1 city row placed in Tamil Nadu — Chennai (p.3) |
| Telangana | 4 May 2021 | 76 | AQI bulletin p.5, Index Value column: mean of 1 city row placed in Telangana — Hyderabad (p.5) |
| Tripura | 4 May 2021 | 70 | AQI bulletin p.1, Index Value column: mean of 1 city row placed in Tripura — Agartala (p.1) |
| Uttar Pradesh | 4 May 2021 | 169 | AQI bulletin p.1–10, Index Value column: mean of 11 city rows placed in Uttar Pradesh — Baghpat (p.1), Bulandshahr (p.2), Ghaziabad (p.4), Greater Noida (p.4), Hapur (p.4), Kanpur (p.5), Lucknow (p.6), Meerut (p.7), Muzaffarnagar (p.7), Noida (p.8), Varanasi (p.10) |
| West Bengal | 4 May 2021 | 75 | 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 | 4 May 2021 | 122 | AQI bulletin p.1–11: count of all 122 city rows — every row in the table |
| Andhra Pradesh | 4 May 2021 | 3 | AQI bulletin p.1–10: count of 3 city rows placed in Andhra Pradesh — Amaravati (p.1), Rajamahendravaram (p.9), Visakhapatnam (p.10) |
| Assam | 4 May 2021 | 1 | AQI bulletin p.4: count of 1 city row placed in Assam — Guwahati (p.4) |
| Bihar | 4 May 2021 | 4 | AQI bulletin p.4–8: count of 4 city rows placed in Bihar — Gaya (p.4), Hajipur (p.4), Muzaffarpur (p.7), Patna (p.8) |
| Chandigarh | 4 May 2021 | 1 | AQI bulletin p.2: count of 1 city row placed in Chandigarh — Chandigarh (p.2) |
| Delhi | 4 May 2021 | 1 | AQI bulletin p.3: count of 1 city row placed in Delhi — Delhi (p.3) |
| Gujarat | 4 May 2021 | 5 | AQI bulletin p.1–10: count of 5 city rows placed in Gujarat — Ahmedabad (p.1), Ankleshwar (p.1), Gandhinagar (p.3), Nandesari (p.7), Vatva (p.10) |
| Haryana | 4 May 2021 | 23 | AQI bulletin p.1–11: count of 23 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.3), Gurugram (p.4), Hisar (p.4), Jind (p.5), Kaithal (p.5), Karnal (p.5), Kurukshetra (p.6), Mandikhera (p.7), Manesar (p.7), Narnaul (p.7), Palwal (p.8), Panchkula (p.8), Panipat (p.8), Rohtak (p.9), Sirsa (p.9), Sonipat (p.10), Yamunanagar (p.11) |
| Jammu and Kashmir | 4 May 2021 | 1 | AQI bulletin p.10: count of 1 city row placed in Jammu and Kashmir — Srinagar (p.10) |
| Karnataka | 4 May 2021 | 16 | AQI bulletin p.1–11: count of 16 city rows placed in Karnataka — Bagalkot (p.1), Bengaluru (p.2), Chamarajanagar (p.2), Chikkaballapur (p.3), Chikkamagaluru (p.3), Hassan (p.4), Hubballi (p.5), Koppal (p.6), Manglore (p.7), Medikeri (p.7), Mysuru (p.7), Raichur (p.9), Shivamogga (p.9), Udupi (p.10), Vijayapura (p.10), Yadgir (p.11) |
| Kerala | 4 May 2021 | 6 | AQI bulletin p.3–10: count of 6 city rows placed in Kerala — Ernakulam (p.3), Kannur (p.5), Kochi (p.6), Kollam (p.6), Thiruvananthapuram (p.10), Thrissur (p.10) |
| Madhya Pradesh | 4 May 2021 | 14 | AQI bulletin p.2–10: count of 14 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.6), Pithampur (p.8), Ratlam (p.9), Sagar (p.9), Satna (p.9), Singrauli (p.9), Ujjain (p.10) |
| Maharashtra | 4 May 2021 | 7 | AQI bulletin p.2–9: count of 7 city rows placed in Maharashtra — Chandrapur (p.2), Mumbai (p.7), Nagpur (p.7), Nashik (p.8), Navi Mumbai (p.8), Pune (p.8), Solapur (p.9) |
| Mizoram | 4 May 2021 | 1 | AQI bulletin p.1: count of 1 city row placed in Mizoram — Aizawl (p.1) |
| Odisha | 4 May 2021 | 2 | AQI bulletin p.2–10: count of 2 city rows placed in Odisha — Brajrajnagar (p.2), Talcher (p.10) |
| Puducherry | 4 May 2021 | 1 | AQI bulletin p.8: count of 1 city row placed in Puducherry — Puducherry (p.8) |
| Punjab | 4 May 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.6), Mandi Gobindgarh (p.6), Patiala (p.8), Rupnagar (p.9) |
| Rajasthan | 4 May 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 | 4 May 2021 | 1 | AQI bulletin p.3: count of 1 city row placed in Tamil Nadu — Chennai (p.3) |
| Telangana | 4 May 2021 | 1 | AQI bulletin p.5: count of 1 city row placed in Telangana — Hyderabad (p.5) |
| Tripura | 4 May 2021 | 1 | AQI bulletin p.1: count of 1 city row placed in Tripura — Agartala (p.1) |
| Uttar Pradesh | 4 May 2021 | 11 | AQI bulletin p.1–10: count of 11 city rows placed in Uttar Pradesh — Baghpat (p.1), Bulandshahr (p.2), Ghaziabad (p.4), Greater Noida (p.4), Hapur (p.4), Kanpur (p.5), Lucknow (p.6), Meerut (p.7), Muzaffarnagar (p.7), Noida (p.8), Varanasi (p.10) |
| West Bengal | 4 May 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 | 4 May 2021 | 8% | AQI bulletin p.1–11, Index Value column: 10 of all 122 city rows at 201 or more — Baghpat 306 (p.1), Bahadurgarh 205 (p.2), Bhiwadi 216 (p.2), Faridabad 204 (p.3), Ghaziabad 237 (p.4), Jind 288 (p.5), Kaithal 257 (p.5), Meerut 218 (p.7), Panipat 294 (p.8), Sonipat 297 (p.10) |
| Andhra Pradesh | 4 May 2021 | 0% | AQI bulletin p.1–10, Index Value column: none of 3 city rows placed in Andhra Pradesh at 201 or more (highest 77) |
| Assam | 4 May 2021 | 0% | AQI bulletin p.4, Index Value column: none of 1 city row placed in Assam at 201 or more (highest 46) |
| Bihar | 4 May 2021 | 0% | AQI bulletin p.4–8, Index Value column: none of 4 city rows placed in Bihar at 201 or more (highest 155) |
| Chandigarh | 4 May 2021 | 0% | AQI bulletin p.2, Index Value column: none of 1 city row placed in Chandigarh at 201 or more (highest 121) |
| Delhi | 4 May 2021 | 0% | AQI bulletin p.3, Index Value column: none of 1 city row placed in Delhi at 201 or more (highest 173) |
| Gujarat | 4 May 2021 | 0% | AQI bulletin p.1–10, Index Value column: none of 5 city rows placed in Gujarat at 201 or more (highest 163) |
| Haryana | 4 May 2021 | 26% | AQI bulletin p.1–11, Index Value column: 6 of 23 city rows placed in Haryana at 201 or more — Bahadurgarh 205 (p.2), Faridabad 204 (p.3), Jind 288 (p.5), Kaithal 257 (p.5), Panipat 294 (p.8), Sonipat 297 (p.10) |
| Jammu and Kashmir | 4 May 2021 | 0% | AQI bulletin p.10, Index Value column: none of 1 city row placed in Jammu and Kashmir at 201 or more (highest 98) |
| Karnataka | 4 May 2021 | 0% | AQI bulletin p.1–11, Index Value column: none of 16 city rows placed in Karnataka at 201 or more (highest 87) |
| Kerala | 4 May 2021 | 0% | AQI bulletin p.3–10, Index Value column: none of 6 city rows placed in Kerala at 201 or more (highest 103) |
| Madhya Pradesh | 4 May 2021 | 0% | AQI bulletin p.2–10, Index Value column: none of 14 city rows placed in Madhya Pradesh at 201 or more (highest 130) |
| Maharashtra | 4 May 2021 | 0% | AQI bulletin p.2–9, Index Value column: none of 7 city rows placed in Maharashtra at 201 or more (highest 90) |
| Mizoram | 4 May 2021 | 0% | AQI bulletin p.1, Index Value column: none of 1 city row placed in Mizoram at 201 or more (highest 18) |
| Odisha | 4 May 2021 | 0% | AQI bulletin p.2–10, Index Value column: none of 2 city rows placed in Odisha at 201 or more (highest 78) |
| Puducherry | 4 May 2021 | 0% | AQI bulletin p.8, Index Value column: none of 1 city row placed in Puducherry at 201 or more (highest 19) |
| Punjab | 4 May 2021 | 0% | AQI bulletin p.1–9, Index Value column: none of 8 city rows placed in Punjab at 201 or more (highest 175) |
| Rajasthan | 4 May 2021 | 13% | AQI bulletin p.1–10, Index Value column: 1 of 8 city rows placed in Rajasthan at 201 or more — Bhiwadi 216 (p.2) |
| Tamil Nadu | 4 May 2021 | 0% | AQI bulletin p.3, Index Value column: none of 1 city row placed in Tamil Nadu at 201 or more (highest 51) |
| Telangana | 4 May 2021 | 0% | AQI bulletin p.5, Index Value column: none of 1 city row placed in Telangana at 201 or more (highest 76) |
| Tripura | 4 May 2021 | 0% | AQI bulletin p.1, Index Value column: none of 1 city row placed in Tripura at 201 or more (highest 70) |
| Uttar Pradesh | 4 May 2021 | 27% | AQI bulletin p.1–10, Index Value column: 3 of 11 city rows placed in Uttar Pradesh at 201 or more — Baghpat 306 (p.1), Ghaziabad 237 (p.4), Meerut 218 (p.7) |
| West Bengal | 4 May 2021 | 0% | AQI bulletin p.1–9, Index Value column: none of 6 city rows placed in West Bengal at 201 or more (highest 112) |
| Geography | Period | Value | Where in the document |
|---|---|---|---|
| India | 4 May 2021 | 306 | AQI bulletin p.1–11, Index Value column: highest of all 122 city rows — Baghpat, S.No 12 (p.1), Very Poor |
| Andhra Pradesh | 4 May 2021 | 77 | AQI bulletin p.1–10, Index Value column: highest of 3 city rows placed in Andhra Pradesh — Visakhapatnam, S.No 120 (p.10), Satisfactory |
| Assam | 4 May 2021 | 46 | AQI bulletin p.4, Index Value column: highest of 1 city row placed in Assam — Guwahati, S.No 41 (p.4), Good |
| Bihar | 4 May 2021 | 155 | AQI bulletin p.4–8, Index Value column: highest of 4 city rows placed in Bihar — Gaya, S.No 37 (p.4), Moderate |
| Chandigarh | 4 May 2021 | 121 | AQI bulletin p.2, Index Value column: highest of 1 city row placed in Chandigarh — Chandigarh, S.No 23 (p.2), Moderate |
| Delhi | 4 May 2021 | 173 | AQI bulletin p.3, Index Value column: highest of 1 city row placed in Delhi — Delhi, S.No 30 (p.3), Moderate |
| Gujarat | 4 May 2021 | 163 | AQI bulletin p.1–10, Index Value column: highest of 5 city rows placed in Gujarat — Ahmedabad, S.No 2 (p.1), Moderate |
| Haryana | 4 May 2021 | 297 | AQI bulletin p.1–11, Index Value column: highest of 23 city rows placed in Haryana — Sonipat, S.No 109 (p.10), Poor |
| Jammu and Kashmir | 4 May 2021 | 98 | AQI bulletin p.10, Index Value column: highest of 1 city row placed in Jammu and Kashmir — Srinagar, S.No 110 (p.10), Satisfactory |
| Karnataka | 4 May 2021 | 87 | AQI bulletin p.1–11, Index Value column: highest of 16 city rows placed in Karnataka — Hassan, S.No 46 (p.4), Satisfactory |
| Kerala | 4 May 2021 | 103 | AQI bulletin p.3–10, Index Value column: highest of 6 city rows placed in Kerala — Kannur, S.No 58 (p.5), Moderate |
| Madhya Pradesh | 4 May 2021 | 130 | AQI bulletin p.2–10, Index Value column: highest of 14 city rows placed in Madhya Pradesh — Singrauli, S.No 106 (p.9), Moderate |
| Maharashtra | 4 May 2021 | 90 | AQI bulletin p.2–9, Index Value column: highest of 7 city rows placed in Maharashtra — Navi Mumbai, S.No 86 (p.8), Satisfactory |
| Mizoram | 4 May 2021 | 18 | AQI bulletin p.1, Index Value column: highest of 1 city row placed in Mizoram — Aizawl, S.No 3 (p.1), Good |
| Odisha | 4 May 2021 | 78 | AQI bulletin p.2–10, Index Value column: highest of 2 city rows placed in Odisha — Talcher, S.No 111 (p.10), Satisfactory |
| Puducherry | 4 May 2021 | 19 | AQI bulletin p.8, Index Value column: highest of 1 city row placed in Puducherry — Puducherry, S.No 95 (p.8), Good |
| Punjab | 4 May 2021 | 175 | AQI bulletin p.1–9, Index Value column: highest of 8 city rows placed in Punjab — Amritsar, S.No 8 (p.1), Moderate |
| Rajasthan | 4 May 2021 | 216 | AQI bulletin p.1–10, Index Value column: highest of 8 city rows placed in Rajasthan — Bhiwadi, S.No 17 (p.2), Poor |
| Tamil Nadu | 4 May 2021 | 51 | AQI bulletin p.3, Index Value column: highest of 1 city row placed in Tamil Nadu — Chennai, S.No 26 (p.3), Satisfactory |
| Telangana | 4 May 2021 | 76 | AQI bulletin p.5, Index Value column: highest of 1 city row placed in Telangana — Hyderabad, S.No 50 (p.5), Satisfactory |
| Tripura | 4 May 2021 | 70 | AQI bulletin p.1, Index Value column: highest of 1 city row placed in Tripura — Agartala, S.No 1 (p.1), Satisfactory |
| Uttar Pradesh | 4 May 2021 | 306 | AQI bulletin p.1–10, Index Value column: highest of 11 city rows placed in Uttar Pradesh — Baghpat, S.No 12 (p.1), Very Poor |
| West Bengal | 4 May 2021 | 112 | AQI bulletin p.1–9, Index Value column: highest of 6 city rows placed in West Bengal — Durgapur, S.No 33 (p.3), Moderate |