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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 October 2021 | 60 | AQI bulletin p.1–10, Index Value column: mean of all 118 city rows — every row in the table |
| Andhra Pradesh | 18 October 2021 | 63 | AQI bulletin p.1–10, Index Value column: mean of 4 city rows placed in Andhra Pradesh — Amaravati (p.1), Rajamahendravaram (p.8), Tirupati (p.9), Visakhapatnam (p.10) |
| Assam | 18 October 2021 | 80 | AQI bulletin p.4, Index Value column: mean of 1 city row placed in Assam — Guwahati (p.4) |
| Bihar | 18 October 2021 | 41 | AQI bulletin p.3–8, Index Value column: mean of 3 city rows placed in Bihar — Gaya (p.3), Muzaffarpur (p.7), Patna (p.8) |
| Chandigarh | 18 October 2021 | 46 | 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 October 2021 (118 cities) (published 18 Oct 2021). Archived by the India Health Observatory on 3 Oct 2026, SHA-256 db8f73937072cb8e7bc7c27f7cfc987faeef39a86232e5686cbba9f1d0555835. https://indiahealthobservatory.com/sources/cpcb/releases/1849
| Chhattisgarh | 18 October 2021 | 46 | AQI bulletin p.2, Index Value column: mean of 1 city row placed in Chhattisgarh — Bilaspur (p.2) |
| Delhi | 18 October 2021 | 46 | AQI bulletin p.3, Index Value column: mean of 1 city row placed in Delhi — Delhi (p.3) |
| Gujarat | 18 October 2021 | 142 | 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), Vapi (p.10), Vatva (p.10) |
| Haryana | 18 October 2021 | 50 | AQI bulletin p.1–10, 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), Faridabad (p.3), Fatehabad (p.3), Gurugram (p.4), Hisar (p.4), Jind (p.5), Kaithal (p.5), Karnal (p.5), Kurukshetra (p.6), Manesar (p.6), Panchkula (p.7), Panipat (p.7), Rohtak (p.8), Sirsa (p.9), Sonipat (p.9), Yamunanagar (p.10) |
| Jammu and Kashmir | 18 October 2021 | 46 | AQI bulletin p.9, Index Value column: mean of 1 city row placed in Jammu and Kashmir — Srinagar (p.9) |
| Karnataka | 18 October 2021 | 64 | AQI bulletin p.1–10, 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.4), Kolar (p.6), Koppal (p.6), Manglore (p.6), Mysuru (p.7), Raichur (p.8), Ramanagara (p.8), Shivamogga (p.9), Vijayapura (p.10), Yadgir (p.10) |
| Kerala | 18 October 2021 | 72 | AQI bulletin p.5–9, Index Value column: mean of 3 city rows placed in Kerala — Kannur (p.5), Kollam (p.6), Thiruvananthapuram (p.9) |
| Madhya Pradesh | 18 October 2021 | 51 | 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.6), Pithampur (p.8), Ratlam (p.8), Satna (p.9), Singrauli (p.9), Ujjain (p.10) |
| Maharashtra | 18 October 2021 | 99 | AQI bulletin p.3–9, Index Value column: mean of 7 city rows placed in Maharashtra — Chandrapur (p.3), Kalyan (p.5), Mumbai (p.7), Nashik (p.7), Navi Mumbai (p.7), Pune (p.8), Thane (p.9) |
| Mizoram | 18 October 2021 | 26 | AQI bulletin p.1, Index Value column: mean of 1 city row placed in Mizoram — Aizawl (p.1) |
| Odisha | 18 October 2021 | 41 | AQI bulletin p.2–9, Index Value column: mean of 2 city rows placed in Odisha — Brajrajnagar (p.2), Talcher (p.9) |
| Puducherry | 18 October 2021 | 54 | AQI bulletin p.8, Index Value column: mean of 1 city row placed in Puducherry — Puducherry (p.8) |
| Punjab | 18 October 2021 | 64 | AQI bulletin p.1–8, Index Value column: mean of 6 city rows placed in Punjab — Amritsar (p.1), Bathinda (p.2), Jalandhar (p.5), Khanna (p.6), Patiala (p.8), Rupnagar (p.8) |
| Rajasthan | 18 October 2021 | 76 | 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.7), Udaipur (p.10) |
| Tamil Nadu | 18 October 2021 | 71 | AQI bulletin p.3–9, Index Value column: mean of 3 city rows placed in Tamil Nadu — Chennai (p.3), Gummidipoondi (p.4), Thoothukudi (p.9) |
| Telangana | 18 October 2021 | 90 | AQI bulletin p.5, Index Value column: mean of 1 city row placed in Telangana — Hyderabad (p.5) |
| Tripura | 18 October 2021 | 26 | AQI bulletin p.1, Index Value column: mean of 1 city row placed in Tripura — Agartala (p.1) |
| Uttar Pradesh | 18 October 2021 | 40 | AQI bulletin p.1–10, Index Value column: mean of 16 city rows placed in Uttar Pradesh — Agra (p.1), Baghpat (p.1), Bulandshahr (p.2), Firozabad (p.3), Ghaziabad (p.4), Gorakhpur (p.4), Greater Noida (p.4), Kanpur (p.5), Lucknow (p.6), Meerut (p.7), Moradabad (p.7), Muzaffarnagar (p.7), Noida (p.7), Prayagraj (p.8), Varanasi (p.10), Vrindavan (p.10) |
| West Bengal | 18 October 2021 | 32 | AQI bulletin p.4–9, Index Value column: mean of 4 city rows placed in West Bengal — Haldia (p.4), Howrah (p.4), Kolkata (p.6), Siliguri (p.9) |
| Geography | Period | Value | Where in the document |
|---|---|---|---|
| India | 18 October 2021 | 118 | AQI bulletin p.1–10: count of all 118 city rows — every row in the table |
| Andhra Pradesh | 18 October 2021 | 4 | AQI bulletin p.1–10: count of 4 city rows placed in Andhra Pradesh — Amaravati (p.1), Rajamahendravaram (p.8), Tirupati (p.9), Visakhapatnam (p.10) |
| Assam | 18 October 2021 | 1 | AQI bulletin p.4: count of 1 city row placed in Assam — Guwahati (p.4) |
| Bihar | 18 October 2021 | 3 | AQI bulletin p.3–8: count of 3 city rows placed in Bihar — Gaya (p.3), Muzaffarpur (p.7), Patna (p.8) |
| Chandigarh | 18 October 2021 | 1 | AQI bulletin p.2: count of 1 city row placed in Chandigarh — Chandigarh (p.2) |
| Chhattisgarh | 18 October 2021 | 1 | AQI bulletin p.2: count of 1 city row placed in Chhattisgarh — Bilaspur (p.2) |
| Delhi | 18 October 2021 | 1 | AQI bulletin p.3: count of 1 city row placed in Delhi — Delhi (p.3) |
| Gujarat | 18 October 2021 | 5 | AQI bulletin p.1–10: count of 5 city rows placed in Gujarat — Ahmedabad (p.1), Ankleshwar (p.1), Gandhinagar (p.3), Vapi (p.10), Vatva (p.10) |
| Haryana | 18 October 2021 | 20 | AQI bulletin p.1–10: count of 20 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.3), Gurugram (p.4), Hisar (p.4), Jind (p.5), Kaithal (p.5), Karnal (p.5), Kurukshetra (p.6), Manesar (p.6), Panchkula (p.7), Panipat (p.7), Rohtak (p.8), Sirsa (p.9), Sonipat (p.9), Yamunanagar (p.10) |
| Jammu and Kashmir | 18 October 2021 | 1 | AQI bulletin p.9: count of 1 city row placed in Jammu and Kashmir — Srinagar (p.9) |
| Karnataka | 18 October 2021 | 16 | AQI bulletin p.1–10: 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.4), Kolar (p.6), Koppal (p.6), Manglore (p.6), Mysuru (p.7), Raichur (p.8), Ramanagara (p.8), Shivamogga (p.9), Vijayapura (p.10), Yadgir (p.10) |
| Kerala | 18 October 2021 | 3 | AQI bulletin p.5–9: count of 3 city rows placed in Kerala — Kannur (p.5), Kollam (p.6), Thiruvananthapuram (p.9) |
| Madhya Pradesh | 18 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.6), Pithampur (p.8), Ratlam (p.8), Satna (p.9), Singrauli (p.9), Ujjain (p.10) |
| Maharashtra | 18 October 2021 | 7 | AQI bulletin p.3–9: count of 7 city rows placed in Maharashtra — Chandrapur (p.3), Kalyan (p.5), Mumbai (p.7), Nashik (p.7), Navi Mumbai (p.7), Pune (p.8), Thane (p.9) |
| Mizoram | 18 October 2021 | 1 | AQI bulletin p.1: count of 1 city row placed in Mizoram — Aizawl (p.1) |
| Odisha | 18 October 2021 | 2 | AQI bulletin p.2–9: count of 2 city rows placed in Odisha — Brajrajnagar (p.2), Talcher (p.9) |
| Puducherry | 18 October 2021 | 1 | AQI bulletin p.8: count of 1 city row placed in Puducherry — Puducherry (p.8) |
| Punjab | 18 October 2021 | 6 | AQI bulletin p.1–8: count of 6 city rows placed in Punjab — Amritsar (p.1), Bathinda (p.2), Jalandhar (p.5), Khanna (p.6), Patiala (p.8), Rupnagar (p.8) |
| Rajasthan | 18 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.5), Kota (p.6), Pali (p.7), Udaipur (p.10) |
| Tamil Nadu | 18 October 2021 | 3 | AQI bulletin p.3–9: count of 3 city rows placed in Tamil Nadu — Chennai (p.3), Gummidipoondi (p.4), Thoothukudi (p.9) |
| Telangana | 18 October 2021 | 1 | AQI bulletin p.5: count of 1 city row placed in Telangana — Hyderabad (p.5) |
| Tripura | 18 October 2021 | 1 | AQI bulletin p.1: count of 1 city row placed in Tripura — Agartala (p.1) |
| Uttar Pradesh | 18 October 2021 | 16 | AQI bulletin p.1–10: count of 16 city rows placed in Uttar Pradesh — Agra (p.1), Baghpat (p.1), Bulandshahr (p.2), Firozabad (p.3), Ghaziabad (p.4), Gorakhpur (p.4), Greater Noida (p.4), Kanpur (p.5), Lucknow (p.6), Meerut (p.7), Moradabad (p.7), Muzaffarnagar (p.7), Noida (p.7), Prayagraj (p.8), Varanasi (p.10), Vrindavan (p.10) |
| West Bengal | 18 October 2021 | 4 | AQI bulletin p.4–9: count of 4 city rows placed in West Bengal — Haldia (p.4), Howrah (p.4), Kolkata (p.6), Siliguri (p.9) |
| Geography | Period | Value | Where in the document |
|---|---|---|---|
| India | 18 October 2021 | 1% | AQI bulletin p.1–10, Index Value column: 1 of all 118 city rows at 201 or more — Ankleshwar 208 (p.1) |
| Andhra Pradesh | 18 October 2021 | 0% | AQI bulletin p.1–10, Index Value column: none of 4 city rows placed in Andhra Pradesh at 201 or more (highest 78) |
| Assam | 18 October 2021 | 0% | AQI bulletin p.4, Index Value column: none of 1 city row placed in Assam at 201 or more (highest 80) |
| Bihar | 18 October 2021 | 0% | AQI bulletin p.3–8, Index Value column: none of 3 city rows placed in Bihar at 201 or more (highest 49) |
| Chandigarh | 18 October 2021 | 0% | AQI bulletin p.2, Index Value column: none of 1 city row placed in Chandigarh at 201 or more (highest 46) |
| Chhattisgarh | 18 October 2021 | 0% | AQI bulletin p.2, Index Value column: none of 1 city row placed in Chhattisgarh at 201 or more (highest 46) |
| Delhi | 18 October 2021 | 0% | AQI bulletin p.3, Index Value column: none of 1 city row placed in Delhi at 201 or more (highest 46) |
| Gujarat | 18 October 2021 | 20% | AQI bulletin p.1–10, Index Value column: 1 of 5 city rows placed in Gujarat at 201 or more — Ankleshwar 208 (p.1) |
| Haryana | 18 October 2021 | 0% | AQI bulletin p.1–10, Index Value column: none of 20 city rows placed in Haryana at 201 or more (highest 127) |
| Jammu and Kashmir | 18 October 2021 | 0% | AQI bulletin p.9, Index Value column: none of 1 city row placed in Jammu and Kashmir at 201 or more (highest 46) |
| Karnataka | 18 October 2021 | 0% | AQI bulletin p.1–10, Index Value column: none of 16 city rows placed in Karnataka at 201 or more (highest 114) |
| Kerala | 18 October 2021 | 0% | AQI bulletin p.5–9, Index Value column: none of 3 city rows placed in Kerala at 201 or more (highest 91) |
| Madhya Pradesh | 18 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 61) |
| Maharashtra | 18 October 2021 | 0% | AQI bulletin p.3–9, Index Value column: none of 7 city rows placed in Maharashtra at 201 or more (highest 163) |
| Mizoram | 18 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 | 18 October 2021 | 0% | AQI bulletin p.2–9, Index Value column: none of 2 city rows placed in Odisha at 201 or more (highest 44) |
| Puducherry | 18 October 2021 | 0% | AQI bulletin p.8, Index Value column: none of 1 city row placed in Puducherry at 201 or more (highest 54) |
| Punjab | 18 October 2021 | 0% | AQI bulletin p.1–8, Index Value column: none of 6 city rows placed in Punjab at 201 or more (highest 120) |
| Rajasthan | 18 October 2021 | 0% | AQI bulletin p.1–10, Index Value column: none of 8 city rows placed in Rajasthan at 201 or more (highest 139) |
| Tamil Nadu | 18 October 2021 | 0% | AQI bulletin p.3–9, Index Value column: none of 3 city rows placed in Tamil Nadu at 201 or more (highest 78) |
| Telangana | 18 October 2021 | 0% | AQI bulletin p.5, Index Value column: none of 1 city row placed in Telangana at 201 or more (highest 90) |
| Tripura | 18 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 | 18 October 2021 | 0% | AQI bulletin p.1–10, Index Value column: none of 16 city rows placed in Uttar Pradesh at 201 or more (highest 83) |
| West Bengal | 18 October 2021 | 0% | AQI bulletin p.4–9, Index Value column: none of 4 city rows placed in West Bengal at 201 or more (highest 43) |
| Geography | Period | Value | Where in the document |
|---|---|---|---|
| India | 18 October 2021 | 208 | AQI bulletin p.1–10, Index Value column: highest of all 118 city rows — Ankleshwar, S.No 10 (p.1), Poor |
| Andhra Pradesh | 18 October 2021 | 78 | AQI bulletin p.1–10, Index Value column: highest of 4 city rows placed in Andhra Pradesh — Tirupati, S.No 108 (p.9), Satisfactory |
| Assam | 18 October 2021 | 80 | AQI bulletin p.4, Index Value column: highest of 1 city row placed in Assam — Guwahati, S.No 42 (p.4), Satisfactory |
| Bihar | 18 October 2021 | 49 | AQI bulletin p.3–8, Index Value column: highest of 3 city rows placed in Bihar — Gaya, S.No 36 (p.3), Good |
| Chandigarh | 18 October 2021 | 46 | AQI bulletin p.2, Index Value column: highest of 1 city row placed in Chandigarh — Chandigarh, S.No 24 (p.2), Good |
| Chhattisgarh | 18 October 2021 | 46 | AQI bulletin p.2, Index Value column: highest of 1 city row placed in Chhattisgarh — Bilaspur, S.No 20 (p.2), Good |
| Delhi | 18 October 2021 | 46 | AQI bulletin p.3, Index Value column: highest of 1 city row placed in Delhi — Delhi, S.No 30 (p.3), Good |
| Gujarat | 18 October 2021 | 208 | AQI bulletin p.1–10, Index Value column: highest of 5 city rows placed in Gujarat — Ankleshwar, S.No 10 (p.1), Poor |
| Haryana | 18 October 2021 | 127 | AQI bulletin p.1–10, Index Value column: highest of 20 city rows placed in Haryana — Sirsa, S.No 101 (p.9), Moderate |
| Jammu and Kashmir | 18 October 2021 | 46 | AQI bulletin p.9, Index Value column: highest of 1 city row placed in Jammu and Kashmir — Srinagar, S.No 103 (p.9), Good |
| Karnataka | 18 October 2021 | 114 | AQI bulletin p.1–10, Index Value column: highest of 16 city rows placed in Karnataka — Raichur, S.No 91 (p.8), Moderate |
| Kerala | 18 October 2021 | 91 | AQI bulletin p.5–9, Index Value column: highest of 3 city rows placed in Kerala — Kollam, S.No 65 (p.6), Satisfactory |
| Madhya Pradesh | 18 October 2021 | 61 | AQI bulletin p.2–10, Index Value column: highest of 12 city rows placed in Madhya Pradesh — Ujjain, S.No 110 (p.10), Satisfactory |
| Maharashtra | 18 October 2021 | 163 | AQI bulletin p.3–9, Index Value column: highest of 7 city rows placed in Maharashtra — Thane, S.No 105 (p.9), Moderate |
| Mizoram | 18 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 | 18 October 2021 | 44 | AQI bulletin p.2–9, Index Value column: highest of 2 city rows placed in Odisha — Brajrajnagar, S.No 21 (p.2), Good |
| Puducherry | 18 October 2021 | 54 | AQI bulletin p.8, Index Value column: highest of 1 city row placed in Puducherry — Puducherry, S.No 89 (p.8), Satisfactory |
| Punjab | 18 October 2021 | 120 | AQI bulletin p.1–8, Index Value column: highest of 6 city rows placed in Punjab — Amritsar, S.No 9 (p.1), Moderate |
| Rajasthan | 18 October 2021 | 139 | AQI bulletin p.1–10, Index Value column: highest of 8 city rows placed in Rajasthan — Jodhpur, S.No 55 (p.5), Moderate |
| Tamil Nadu | 18 October 2021 | 78 | AQI bulletin p.3–9, Index Value column: highest of 3 city rows placed in Tamil Nadu — Gummidipoondi, S.No 40 (p.4), Satisfactory |
| Telangana | 18 October 2021 | 90 | AQI bulletin p.5, Index Value column: highest of 1 city row placed in Telangana — Hyderabad, S.No 49 (p.5), Satisfactory |
| Tripura | 18 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 | 18 October 2021 | 83 | AQI bulletin p.1–10, Index Value column: highest of 16 city rows placed in Uttar Pradesh — Moradabad, S.No 74 (p.7), Satisfactory |
| West Bengal | 18 October 2021 | 43 | AQI bulletin p.4–9, Index Value column: highest of 4 city rows placed in West Bengal — Howrah, S.No 47 (p.4), Good |