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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 | 18 May 2021 | 76 | AQI bulletin p.1–10, Index Value column: mean of all 119 city rows — every row in the table |
| Andhra Pradesh | 18 May 2021 | 32 | 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 | 18 May 2021 | 44 | AQI bulletin p.4, Index Value column: mean of 1 city row placed in Assam — Guwahati (p.4) |
| Bihar | 18 May 2021 | 120 | 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 | 18 May 2021 | 100 | 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, 18 May 2021 (119 cities) (published 18 May 2021). Archived by the India Health Observatory on 3 Oct 2026, SHA-256 d41b65514f8ec19107d8ed6c80582e2cbd231ea65c2545f37e884afbb6006b34. https://indiahealthobservatory.com/sources/cpcb/releases/2003
| Delhi | 18 May 2021 | 93 | AQI bulletin p.3, Index Value column: mean of 1 city row placed in Delhi — Delhi (p.3) |
| Gujarat | 18 May 2021 | 48 | AQI bulletin p.1–10, Index Value column: mean of 3 city rows placed in Gujarat — Ahmedabad (p.1), Gandhinagar (p.3), Vatva (p.10) |
| Haryana | 18 May 2021 | 125 | AQI bulletin p.1–10, Index Value column: mean of 23 city rows placed in Haryana — Ambala (p.1), Ballabgarh (p.1), Bhiwani (p.2), Charkhi Dadri (p.2), Dharuhera (p.3), Faridabad (p.3), Fatehabad (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.8), Palwal (p.8), Panchkula (p.8), Panipat (p.8), Rohtak (p.9), Sirsa (p.9), Sonipat (p.9), Yamunanagar (p.10) |
| Jammu and Kashmir | 18 May 2021 | 93 | AQI bulletin p.10, Index Value column: mean of 1 city row placed in Jammu and Kashmir — Srinagar (p.10) |
| Karnataka | 18 May 2021 | 35 | AQI bulletin p.2–10, Index Value column: mean of 14 city rows placed in Karnataka — Bengaluru (p.2), Bidar (p.2), Chamarajanagar (p.2), Chikkaballapur (p.2), Chikkamagaluru (p.3), Davanagere (p.3), Hubballi (p.5), Koppal (p.6), Manglore (p.7), Medikeri (p.7), Mysuru (p.7), Raichur (p.9), Ramanagara (p.9), Yadgir (p.10) |
| Kerala | 18 May 2021 | 47 | AQI bulletin p.3–10, Index Value column: mean of 8 city rows placed in Kerala — Eloor (p.3), Ernakulam (p.3), Kannur (p.5), Kochi (p.6), Kollam (p.6), Kozhikode (p.6), Thiruvananthapuram (p.10), Thrissur (p.10) |
| Madhya Pradesh | 18 May 2021 | 53 | 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), Satna (p.9), Singrauli (p.9), Ujjain (p.10) |
| Maharashtra | 18 May 2021 | 49 | AQI bulletin p.1–9, Index Value column: mean of 7 city rows placed in Maharashtra — Aurangabad (p.1), Chandrapur (p.2), Mumbai (p.7), Nashik (p.8), Navi Mumbai (p.8), Pune (p.8), Solapur (p.9) |
| Meghalaya | 18 May 2021 | 22 | AQI bulletin p.9, Index Value column: mean of 1 city row placed in Meghalaya — Shillong (p.9) |
| Mizoram | 18 May 2021 | 28 | AQI bulletin p.1, Index Value column: mean of 1 city row placed in Mizoram — Aizawl (p.1) |
| Nagaland | 18 May 2021 | 62 | AQI bulletin p.6, Index Value column: mean of 1 city row placed in Nagaland — Kohima (p.6) |
| Odisha | 18 May 2021 | 75 | AQI bulletin p.10, Index Value column: mean of 1 city row placed in Odisha — Talcher (p.10) |
| Puducherry | 18 May 2021 | 34 | AQI bulletin p.8, Index Value column: mean of 1 city row placed in Puducherry — Puducherry (p.8) |
| Punjab | 18 May 2021 | 120 | AQI bulletin p.1–7, Index Value column: mean of 6 city rows placed in Punjab — Amritsar (p.1), Bathinda (p.1), Jalandhar (p.5), Khanna (p.6), Ludhiana (p.6), Mandi Gobindgarh (p.7) |
| Rajasthan | 18 May 2021 | 59 | 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 | 18 May 2021 | 70 | AQI bulletin p.2–4, Index Value column: mean of 2 city rows placed in Tamil Nadu — Chennai (p.2), Gummidipoondi (p.4) |
| Telangana | 18 May 2021 | 47 | AQI bulletin p.5, Index Value column: mean of 1 city row placed in Telangana — Hyderabad (p.5) |
| Uttar Pradesh | 18 May 2021 | 116 | AQI bulletin p.1–8, 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), Moradabad (p.7), Muzaffarnagar (p.7), Noida (p.8) |
| West Bengal | 18 May 2021 | 56 | 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 | 18 May 2021 | 119 | AQI bulletin p.1–10: count of all 119 city rows — every row in the table |
| Andhra Pradesh | 18 May 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 | 18 May 2021 | 1 | AQI bulletin p.4: count of 1 city row placed in Assam — Guwahati (p.4) |
| Bihar | 18 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 | 18 May 2021 | 1 | AQI bulletin p.2: count of 1 city row placed in Chandigarh — Chandigarh (p.2) |
| Delhi | 18 May 2021 | 1 | AQI bulletin p.3: count of 1 city row placed in Delhi — Delhi (p.3) |
| Gujarat | 18 May 2021 | 3 | AQI bulletin p.1–10: count of 3 city rows placed in Gujarat — Ahmedabad (p.1), Gandhinagar (p.3), Vatva (p.10) |
| Haryana | 18 May 2021 | 23 | AQI bulletin p.1–10: count of 23 city rows placed in Haryana — Ambala (p.1), Ballabgarh (p.1), Bhiwani (p.2), Charkhi Dadri (p.2), Dharuhera (p.3), Faridabad (p.3), Fatehabad (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.8), Palwal (p.8), Panchkula (p.8), Panipat (p.8), Rohtak (p.9), Sirsa (p.9), Sonipat (p.9), Yamunanagar (p.10) |
| Jammu and Kashmir | 18 May 2021 | 1 | AQI bulletin p.10: count of 1 city row placed in Jammu and Kashmir — Srinagar (p.10) |
| Karnataka | 18 May 2021 | 14 | AQI bulletin p.2–10: count of 14 city rows placed in Karnataka — Bengaluru (p.2), Bidar (p.2), Chamarajanagar (p.2), Chikkaballapur (p.2), Chikkamagaluru (p.3), Davanagere (p.3), Hubballi (p.5), Koppal (p.6), Manglore (p.7), Medikeri (p.7), Mysuru (p.7), Raichur (p.9), Ramanagara (p.9), Yadgir (p.10) |
| Kerala | 18 May 2021 | 8 | AQI bulletin p.3–10: count of 8 city rows placed in Kerala — Eloor (p.3), Ernakulam (p.3), Kannur (p.5), Kochi (p.6), Kollam (p.6), Kozhikode (p.6), Thiruvananthapuram (p.10), Thrissur (p.10) |
| Madhya Pradesh | 18 May 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), Satna (p.9), Singrauli (p.9), Ujjain (p.10) |
| Maharashtra | 18 May 2021 | 7 | AQI bulletin p.1–9: count of 7 city rows placed in Maharashtra — Aurangabad (p.1), Chandrapur (p.2), Mumbai (p.7), Nashik (p.8), Navi Mumbai (p.8), Pune (p.8), Solapur (p.9) |
| Meghalaya | 18 May 2021 | 1 | AQI bulletin p.9: count of 1 city row placed in Meghalaya — Shillong (p.9) |
| Mizoram | 18 May 2021 | 1 | AQI bulletin p.1: count of 1 city row placed in Mizoram — Aizawl (p.1) |
| Nagaland | 18 May 2021 | 1 | AQI bulletin p.6: count of 1 city row placed in Nagaland — Kohima (p.6) |
| Odisha | 18 May 2021 | 1 | AQI bulletin p.10: count of 1 city row placed in Odisha — Talcher (p.10) |
| Puducherry | 18 May 2021 | 1 | AQI bulletin p.8: count of 1 city row placed in Puducherry — Puducherry (p.8) |
| Punjab | 18 May 2021 | 6 | AQI bulletin p.1–7: count of 6 city rows placed in Punjab — Amritsar (p.1), Bathinda (p.1), Jalandhar (p.5), Khanna (p.6), Ludhiana (p.6), Mandi Gobindgarh (p.7) |
| Rajasthan | 18 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 | 18 May 2021 | 2 | AQI bulletin p.2–4: count of 2 city rows placed in Tamil Nadu — Chennai (p.2), Gummidipoondi (p.4) |
| Telangana | 18 May 2021 | 1 | AQI bulletin p.5: count of 1 city row placed in Telangana — Hyderabad (p.5) |
| Uttar Pradesh | 18 May 2021 | 11 | AQI bulletin p.1–8: 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), Moradabad (p.7), Muzaffarnagar (p.7), Noida (p.8) |
| West Bengal | 18 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 | 18 May 2021 | 2% | AQI bulletin p.1–10, Index Value column: 2 of all 119 city rows at 201 or more — Muzaffarnagar 206 (p.7), Yamunanagar 229 (p.10) |
| Andhra Pradesh | 18 May 2021 | 0% | AQI bulletin p.1–10, Index Value column: none of 4 city rows placed in Andhra Pradesh at 201 or more (highest 39) |
| Assam | 18 May 2021 | 0% | AQI bulletin p.4, Index Value column: none of 1 city row placed in Assam at 201 or more (highest 44) |
| Bihar | 18 May 2021 | 0% | AQI bulletin p.4–8, Index Value column: none of 4 city rows placed in Bihar at 201 or more (highest 156) |
| Chandigarh | 18 May 2021 | 0% | AQI bulletin p.2, Index Value column: none of 1 city row placed in Chandigarh at 201 or more (highest 100) |
| Delhi | 18 May 2021 | 0% | AQI bulletin p.3, Index Value column: none of 1 city row placed in Delhi at 201 or more (highest 93) |
| Gujarat | 18 May 2021 | 0% | AQI bulletin p.1–10, Index Value column: none of 3 city rows placed in Gujarat at 201 or more (highest 55) |
| Haryana | 18 May 2021 | 4% | AQI bulletin p.1–10, Index Value column: 1 of 23 city rows placed in Haryana at 201 or more — Yamunanagar 229 (p.10) |
| Jammu and Kashmir | 18 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 93) |
| Karnataka | 18 May 2021 | 0% | AQI bulletin p.2–10, Index Value column: none of 14 city rows placed in Karnataka at 201 or more (highest 60) |
| Kerala | 18 May 2021 | 0% | AQI bulletin p.3–10, Index Value column: none of 8 city rows placed in Kerala at 201 or more (highest 105) |
| Madhya Pradesh | 18 May 2021 | 0% | AQI bulletin p.2–10, Index Value column: none of 13 city rows placed in Madhya Pradesh at 201 or more (highest 96) |
| Maharashtra | 18 May 2021 | 0% | AQI bulletin p.1–9, Index Value column: none of 7 city rows placed in Maharashtra at 201 or more (highest 84) |
| Meghalaya | 18 May 2021 | 0% | AQI bulletin p.9, Index Value column: none of 1 city row placed in Meghalaya at 201 or more (highest 22) |
| Mizoram | 18 May 2021 | 0% | AQI bulletin p.1, Index Value column: none of 1 city row placed in Mizoram at 201 or more (highest 28) |
| Nagaland | 18 May 2021 | 0% | AQI bulletin p.6, Index Value column: none of 1 city row placed in Nagaland at 201 or more (highest 62) |
| Odisha | 18 May 2021 | 0% | AQI bulletin p.10, Index Value column: none of 1 city row placed in Odisha at 201 or more (highest 75) |
| Puducherry | 18 May 2021 | 0% | AQI bulletin p.8, Index Value column: none of 1 city row placed in Puducherry at 201 or more (highest 34) |
| Punjab | 18 May 2021 | 0% | AQI bulletin p.1–7, Index Value column: none of 6 city rows placed in Punjab at 201 or more (highest 173) |
| Rajasthan | 18 May 2021 | 0% | AQI bulletin p.1–10, Index Value column: none of 8 city rows placed in Rajasthan at 201 or more (highest 101) |
| Tamil Nadu | 18 May 2021 | 0% | AQI bulletin p.2–4, Index Value column: none of 2 city rows placed in Tamil Nadu at 201 or more (highest 70) |
| Telangana | 18 May 2021 | 0% | AQI bulletin p.5, Index Value column: none of 1 city row placed in Telangana at 201 or more (highest 47) |
| Uttar Pradesh | 18 May 2021 | 9% | AQI bulletin p.1–8, Index Value column: 1 of 11 city rows placed in Uttar Pradesh at 201 or more — Muzaffarnagar 206 (p.7) |
| West Bengal | 18 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 108) |
| Geography | Period | Value | Where in the document |
|---|---|---|---|
| India | 18 May 2021 | 229 | AQI bulletin p.1–10, Index Value column: highest of all 119 city rows — Yamunanagar, S.No 119 (p.10), Poor |
| Andhra Pradesh | 18 May 2021 | 39 | AQI bulletin p.1–10, Index Value column: highest of 4 city rows placed in Andhra Pradesh — Tirupati, S.No 113 (p.10), Good |
| Assam | 18 May 2021 | 44 | AQI bulletin p.4, Index Value column: highest of 1 city row placed in Assam — Guwahati, S.No 42 (p.4), Good |
| Bihar | 18 May 2021 | 156 | AQI bulletin p.4–8, Index Value column: highest of 4 city rows placed in Bihar — Muzaffarpur, S.No 83 (p.7), Moderate |
| Chandigarh | 18 May 2021 | 100 | AQI bulletin p.2, Index Value column: highest of 1 city row placed in Chandigarh — Chandigarh, S.No 20 (p.2), Satisfactory |
| Delhi | 18 May 2021 | 93 | AQI bulletin p.3, Index Value column: highest of 1 city row placed in Delhi — Delhi, S.No 28 (p.3), Satisfactory |
| Gujarat | 18 May 2021 | 55 | AQI bulletin p.1–10, Index Value column: highest of 3 city rows placed in Gujarat — Vatva, S.No 116 (p.10), Satisfactory |
| Haryana | 18 May 2021 | 229 | AQI bulletin p.1–10, Index Value column: highest of 23 city rows placed in Haryana — Yamunanagar, S.No 119 (p.10), Poor |
| Jammu and Kashmir | 18 May 2021 | 93 | AQI bulletin p.10, Index Value column: highest of 1 city row placed in Jammu and Kashmir — Srinagar, S.No 109 (p.10), Satisfactory |
| Karnataka | 18 May 2021 | 60 | AQI bulletin p.2–10, Index Value column: highest of 14 city rows placed in Karnataka — Koppal, S.No 67 (p.6), Satisfactory |
| Kerala | 18 May 2021 | 105 | AQI bulletin p.3–10, Index Value column: highest of 8 city rows placed in Kerala — Kannur, S.No 58 (p.5), Moderate |
| Madhya Pradesh | 18 May 2021 | 96 | AQI bulletin p.2–10, Index Value column: highest of 13 city rows placed in Madhya Pradesh — Singrauli, S.No 105 (p.9), Satisfactory |
| Maharashtra | 18 May 2021 | 84 | AQI bulletin p.1–9, Index Value column: highest of 7 city rows placed in Maharashtra — Navi Mumbai, S.No 87 (p.8), Satisfactory |
| Meghalaya | 18 May 2021 | 22 | AQI bulletin p.9, Index Value column: highest of 1 city row placed in Meghalaya — Shillong, S.No 103 (p.9), Good |
| Mizoram | 18 May 2021 | 28 | AQI bulletin p.1, Index Value column: highest of 1 city row placed in Mizoram — Aizawl, S.No 2 (p.1), Good |
| Nagaland | 18 May 2021 | 62 | AQI bulletin p.6, Index Value column: highest of 1 city row placed in Nagaland — Kohima, S.No 64 (p.6), Satisfactory |
| Odisha | 18 May 2021 | 75 | AQI bulletin p.10, Index Value column: highest of 1 city row placed in Odisha — Talcher, S.No 110 (p.10), Satisfactory |
| Puducherry | 18 May 2021 | 34 | AQI bulletin p.8, Index Value column: highest of 1 city row placed in Puducherry — Puducherry, S.No 95 (p.8), Good |
| Punjab | 18 May 2021 | 173 | AQI bulletin p.1–7, Index Value column: highest of 6 city rows placed in Punjab — Ludhiana, S.No 72 (p.6), Moderate |
| Rajasthan | 18 May 2021 | 101 | AQI bulletin p.1–10, Index Value column: highest of 8 city rows placed in Rajasthan — Bhiwadi, S.No 14 (p.2), Moderate |
| Tamil Nadu | 18 May 2021 | 70 | AQI bulletin p.2–4, Index Value column: highest of 2 city rows placed in Tamil Nadu — Chennai, S.No 23 (p.2), Satisfactory |
| Telangana | 18 May 2021 | 47 | AQI bulletin p.5, Index Value column: highest of 1 city row placed in Telangana — Hyderabad, S.No 50 (p.5), Good |
| Uttar Pradesh | 18 May 2021 | 206 | AQI bulletin p.1–8, Index Value column: highest of 11 city rows placed in Uttar Pradesh — Muzaffarnagar, S.No 82 (p.7), Poor |
| West Bengal | 18 May 2021 | 108 | AQI bulletin p.1–9, Index Value column: highest of 6 city rows placed in West Bengal — Durgapur, S.No 31 (p.3), Moderate |