Daily report · most polluted
India air quality on 18 October 2026
Arrah500
SevereNAQI
Arrah had the most polluted air of 262 Indian cities
Updated · CPCB
At 4:00 pm IST on 18 October 2026, 262 Indian cities were reporting. Arrah had the most polluted air at NAQI 500 (Severe), followed by Charkhi Dadri (236) and Ballabgarh (227). The median across all cities was 75, down from 76 the day before. 3 cities were at Poor or worse (2 the day before). Korapalli had the cleanest air at 7.
The biggest deterioration was in Arrah, from 42 to 500. Ambernath improved most, from 199 to 63.
- Good 46
- Satisfactory 157
- Moderate 56
- Poor 2
- Severe 1
10 most polluted cities
| # | City | State | NAQI | Change |
|---|---|---|---|---|
| 1 | Arrah | 500Severe | ▲ 458 | |
| 2 | Charkhi Dadri | 236Poor | ▲ 162 | |
| 3 | Ballabgarh | 227Poor | ▲ 109 | |
| 4 | Bulandshahr | 187Moderate | ▲ 27 | |
| 5 | Mandideep | 177Moderate | ▲ 100 | |
| 6 | Bundi | 164Moderate | 0 | |
| 7 | Nagpur | Maharashtra | 163Moderate | ▲ 57 |
| 8 | Dewas | Madhya Pradesh | 157Moderate | ▲ 18 |
| 9 | Sikar | 154Moderate | ▲ 26 | |
| 10 | Ujjain | Madhya Pradesh | 150Moderate | ▲ 18 |
10 cleanest cities
| # | City | State | NAQI | Change |
|---|---|---|---|---|
| 1 | Korapalli | 7Good | new | |
| 2 | Rajamahendravaram | Andhra Pradesh | 14Good | ▼ 10 |
| 3 | Samastipur | 15Good | ▼ 51 | |
| 4 | Madikeri | 15Good | new | |
| 5 | Jatni | 23Good | ▲ 5 | |
| 6 | Chikkaballapur | 24Good | ▼ 9 | |
| 7 | Kuniyamuthur | 25Good | ▲ 3 | |
| 8 | Yadgir | 27Good | ▼ 35 | |
| 9 | Cuddalore | 28Good | ▼ 27 | |
| 10 | Bettiah | Bihar | 28Good | ▲ 3 |
Biggest rises
All 262 cities on 18 October 2026
| # | City | State | NAQI | Change |
|---|---|---|---|---|
| 1 | Arrah | 500Severe | ▲ 458 | |
| 2 | Charkhi Dadri | 236Poor | ▲ 162 | |
| 3 | Ballabgarh | 227Poor | ▲ 109 | |
| 4 | Bulandshahr | 187Moderate | ▲ 27 | |
| 5 | Mandideep | 177Moderate | ▲ 100 | |
| 6 | Bundi | 164Moderate | 0 | |
| 7 | Nagpur | Maharashtra | 163Moderate | ▲ 57 |
| 8 | Dewas | Madhya Pradesh | 157Moderate | ▲ 18 |
| 9 | Sikar | 154Moderate | ▲ 26 | |
| 10 | Ujjain | Madhya Pradesh | 150Moderate | ▲ 18 |
| 11 | Ahmedabad | Gujarat | 149Moderate | ▲ 12 |
| 12 | Mandi Gobindgarh | 143Moderate | 0 | |
| 13 | Agartala | Tripura | 138Moderate | ▲ 36 |
| 14 | Belapur | 137Moderate | ▼ 2 | |
| 15 | Khairthal | 135Moderate | ▲ 20 | |
| 16 | Khurja | 134Moderate | ▲ 43 | |
| 17 | Malegaon | Maharashtra | 132Moderate | ▲ 49 |
| 18 | Jhunjhunu | 131Moderate | ▲ 24 | |
| 19 | Dausa | 129Moderate | ▲ 10 | |
| 20 | Pithampur | 126Moderate | ▲ 6 | |
| 21 | Bhiwadi | 125Moderate | ▲ 9 | |
| 22 | Chittorgarh | Rajasthan | 125Moderate | ▲ 23 |
| 23 | Gandhinagar | Gujarat | 125Moderate | ▲ 14 |
| 24 | Paradeep | 125Moderate | ▲ 44 | |
| 25 | Barmer | 123Moderate | ▲ 7 | |
| 26 | Sasaram | 123Moderate | ▼ 38 | |
| 27 | Tonk | Rajasthan | 122Moderate | ▲ 2 |
| 28 | Bhavnagar | Gujarat | 121Moderate | ▼ 8 |
| 29 | Churu | 121Moderate | ▲ 5 | |
| 30 | Baddi | 119Moderate | ▲ 1 | |
| 31 | Narnaul | 119Moderate | ▲ 28 | |
| 32 | Byasanagar | 118Moderate | ▲ 52 | |
| 33 | Greater Noida | Uttar Pradesh | 118Moderate | 0 |
| 34 | Kota | Rajasthan | 118Moderate | ▲ 23 |
| 35 | Baraut | 117Moderate | ▲ 9 | |
| 36 | Shamli | 117Moderate | ▲ 21 | |
| 37 | Jhalawar | 116Moderate | ▲ 2 | |
| 38 | Sri Ganganagar | 116Moderate | ▼ 86 | |
| 39 | Mumbai | Maharashtra | 113Moderate | ▼ 19 |
| 40 | Pimpri-Chinchwad | Maharashtra | 110Moderate | ▼ 30 |
| 41 | Ankleshwar | 109Moderate | ▲ 13 | |
| 42 | Delhi | Delhi | 109Moderate | ▼ 22 |
| 43 | Jaisalmer | Rajasthan | 109Moderate | new |
| 44 | Mahad | 108Moderate | ▲ 1 | |
| 45 | Sawai Madhopur | 108Moderate | ▲ 9 | |
| 46 | Raichur | 106Moderate | ▲ 1 | |
| 47 | Vatva | 106Moderate | ▲ 51 | |
| 48 | Baran | 105Moderate | 0 | |
| 49 | Gajraula | 105Moderate | ▲ 2 | |
| 50 | Navi Mumbai | Maharashtra | 105Moderate | ▼ 1 |
| 51 | Gwalior | Madhya Pradesh | 104Moderate | ▲ 13 |
| 52 | Hisar | Haryana | 104Moderate | ▲ 18 |
| 53 | Udaipur | Rajasthan | 104Moderate | ▲ 30 |
| 54 | Kurukshetra | Haryana | 103Moderate | ▲ 3 |
| 55 | Akola | Maharashtra | 102Moderate | ▲ 29 |
| 56 | Balasore | Odisha | 102Moderate | ▲ 47 |
| 57 | Chhapra | 102Moderate | new | |
| 58 | Faridabad | Haryana | 102Moderate | ▼ 28 |
| 59 | Jalore | 102Moderate | ▲ 7 | |
| 60 | Haldia | West Bengal | 100Satisfactory | ▲ 34 |
| 61 | Noida | Uttar Pradesh | 100Satisfactory | ▼ 57 |
| 62 | Bharatpur | Rajasthan | 99Satisfactory | ▲ 7 |
| 63 | Karauli | 99Satisfactory | ▲ 23 | |
| 64 | Surat | Gujarat | 99Satisfactory | ▼ 25 |
| 65 | Dehradun | Uttarakhand | 98Satisfactory | ▲ 47 |
| 66 | Dholpur | 98Satisfactory | ▲ 37 | |
| 67 | Sirsa | Haryana | 98Satisfactory | ▲ 22 |
| 68 | Ahmednagar | Maharashtra | 97Satisfactory | ▼ 18 |
| 69 | Chandrapur | Maharashtra | 97Satisfactory | ▲ 54 |
| 70 | Gurugram | Haryana | 97Satisfactory | ▲ 19 |
| 71 | Hingoli | 97Satisfactory | ▼ 29 | |
| 72 | Varanasi | Uttar Pradesh | 97Satisfactory | ▲ 16 |
| 73 | Byrnihat | 95Satisfactory | 0 | |
| 74 | Dombivli | Maharashtra | 95Satisfactory | ▼ 23 |
| 75 | Ghaziabad | Uttar Pradesh | 95Satisfactory | ▼ 59 |
| 76 | Baghpat | 94Satisfactory | ▲ 3 | |
| 77 | Chhal | 94Satisfactory | ▲ 39 | |
| 78 | Howrah | West Bengal | 94Satisfactory | ▲ 9 |
| 79 | Yamuna Nagar | 94Satisfactory | ▲ 12 | |
| 80 | Barbil | 93Satisfactory | ▲ 29 | |
| 81 | Fatehpur Sikri | Uttar Pradesh | 93Satisfactory | new |
| 82 | Panchgaon | 93Satisfactory | new | |
| 83 | Barrackpore | 92Satisfactory | ▲ 23 | |
| 84 | Bikaner | Rajasthan | 91Satisfactory | new |
| 85 | Dhanbad | Jharkhand | 91Satisfactory | new |
| 86 | Baripada | 90Satisfactory | ▼ 4 | |
| 87 | Jabalpur | Madhya Pradesh | 90Satisfactory | ▼ 14 |
| 88 | Jalgaon | Maharashtra | 90Satisfactory | ▲ 20 |
| 89 | Pali | 90Satisfactory | ▼ 5 | |
| 90 | Satara | Maharashtra | 90Satisfactory | ▼ 7 |
| 91 | Kolkata | West Bengal | 89Satisfactory | ▲ 14 |
| 92 | Amravati | Maharashtra | 88Satisfactory | ▲ 5 |
| 93 | Meerut | Uttar Pradesh | 88Satisfactory | ▼ 9 |
| 94 | Jorapokhar | 87Satisfactory | ▼ 2 | |
| 95 | Tirupati | Andhra Pradesh | 87Satisfactory | ▲ 13 |
| 96 | Thane | Maharashtra | 86Satisfactory | ▼ 1 |
| 97 | Vadodara | Gujarat | 86Satisfactory | ▼ 18 |
| 98 | Bhopal | Madhya Pradesh | 84Satisfactory | ▲ 7 |
| 99 | Bileipada | 84Satisfactory | ▲ 14 | |
| 100 | Jodhpur | Rajasthan | 84Satisfactory | ▲ 8 |
| 101 | Kaithal | 84Satisfactory | ▼ 50 | |
| 102 | Palwal | 84Satisfactory | ▼ 7 | |
| 103 | Rairangpur | 84Satisfactory | ▲ 38 | |
| 104 | Sangli | Maharashtra | 84Satisfactory | ▲ 13 |
| 105 | Ambala | Haryana | 83Satisfactory | ▼ 21 |
| 106 | Angul | 83Satisfactory | ▼ 38 | |
| 107 | Pratapgarh | 83Satisfactory | ▼ 13 | |
| 108 | Ajmer | Rajasthan | 82Satisfactory | ▼ 3 |
| 109 | Fatehabad | 82Satisfactory | ▲ 29 | |
| 110 | Jalna | 82Satisfactory | ▼ 8 | |
| 111 | Jaipur | Rajasthan | 81Satisfactory | ▼ 13 |
| 112 | Jalandhar | Punjab | 81Satisfactory | ▼ 39 |
| 113 | Rajsamand | 81Satisfactory | ▼ 31 | |
| 114 | Amritsar | Punjab | 80Satisfactory | ▲ 1 |
| 115 | Araria | 80Satisfactory | ▲ 11 | |
| 116 | Dhule | Maharashtra | 80Satisfactory | new |
| 117 | Nalbari | 80Satisfactory | ▼ 28 | |
| 118 | Bhilwara | Rajasthan | 79Satisfactory | ▼ 26 |
| 119 | Damoh | Madhya Pradesh | 79Satisfactory | ▼ 13 |
| 120 | Bahadurgarh | 78Satisfactory | ▼ 57 | |
| 121 | Patna | Bihar | 78Satisfactory | ▼ 4 |
| 122 | Pune | Maharashtra | 78Satisfactory | ▼ 24 |
| 123 | Sivasagar | 78Satisfactory | ▼ 4 | |
| 124 | Dharuhera | 77Satisfactory | 0 | |
| 125 | Gorakhpur | Uttar Pradesh | 77Satisfactory | ▼ 39 |
| 126 | Kannur | 77Satisfactory | ▼ 1 | |
| 127 | Gaya | Bihar | 76Satisfactory | ▼ 34 |
| 128 | Ulhasnagar | Maharashtra | 76Satisfactory | ▼ 21 |
| 129 | Agra | Uttar Pradesh | 75Satisfactory | ▲ 6 |
| 130 | Jhansi | Uttar Pradesh | 75Satisfactory | ▲ 8 |
| 131 | Kohima | Nagaland | 75Satisfactory | ▲ 7 |
| 132 | Ludhiana | Punjab | 75Satisfactory | ▲ 4 |
| 133 | Mathura | Uttar Pradesh | 75Satisfactory | ▲ 9 |
| 134 | Milupara | 74Satisfactory | ▲ 19 | |
| 135 | Munger | 74Satisfactory | ▼ 10 | |
| 136 | Vrindavan | Uttar Pradesh | 73Satisfactory | ▲ 2 |
| 137 | Katihar | Bihar | 72Satisfactory | ▲ 17 |
| 138 | Muzaffarpur | Bihar | 72Satisfactory | ▲ 9 |
| 139 | Raebareli | Uttar Pradesh | 72Satisfactory | ▲ 7 |
| 140 | Tensa | 72Satisfactory | ▲ 25 | |
| 141 | Tirumala | 72Satisfactory | new | |
| 142 | Bilaspur | Chhattisgarh | 71Satisfactory | ▼ 14 |
| 143 | Hapur | 71Satisfactory | ▼ 17 | |
| 144 | Parbhani | Maharashtra | 71Satisfactory | ▼ 12 |
| 145 | Silchar | Assam | 71Satisfactory | ▲ 4 |
| 146 | Tumidih | 71Satisfactory | ▲ 15 | |
| 147 | Dharwad | Karnataka | 70Satisfactory | ▼ 3 |
| 148 | Durgapur | West Bengal | 70Satisfactory | ▼ 9 |
| 149 | Manesar | 70Satisfactory | ▼ 23 | |
| 150 | Nashik | Maharashtra | 70Satisfactory | 0 |
| 151 | Rajkot | Gujarat | 70Satisfactory | ▼ 2 |
| 152 | Alwar | Rajasthan | 69Satisfactory | ▲ 2 |
| 153 | Kadapa | Andhra Pradesh | 69Satisfactory | ▼ 1 |
| 154 | Manguraha | 69Satisfactory | ▼ 2 | |
| 155 | Satna | Madhya Pradesh | 69Satisfactory | 0 |
| 156 | Bhiwandi | Maharashtra | 68Satisfactory | ▼ 19 |
| 157 | Boisar | 68Satisfactory | ▼ 12 | |
| 158 | Hajipur | 67Satisfactory | ▼ 8 | |
| 159 | Indore | Madhya Pradesh | 67Satisfactory | ▼ 5 |
| 160 | Kurnool | Andhra Pradesh | 67Satisfactory | ▲ 5 |
| 161 | Mira-Bhayandar | Maharashtra | 67Satisfactory | ▼ 13 |
| 162 | Nayagarh | 67Satisfactory | ▲ 40 | |
| 163 | Sagar | Madhya Pradesh | 67Satisfactory | ▼ 41 |
| 164 | Sirohi | 67Satisfactory | ▼ 38 | |
| 165 | Badlapur | 66Satisfactory | ▼ 1 | |
| 166 | Rohtak | Haryana | 66Satisfactory | ▼ 17 |
| 167 | Srikakulam | 66Satisfactory | ▲ 7 | |
| 168 | Banswara | 65Satisfactory | ▼ 18 | |
| 169 | Bareilly | Uttar Pradesh | 65Satisfactory | ▲ 13 |
| 170 | Hyderabad | Telangana | 65Satisfactory | ▼ 8 |
| 171 | Karwar | 65Satisfactory | ▼ 5 | |
| 172 | Panipat | Haryana | 65Satisfactory | ▼ 28 |
| 173 | Aurangabad | Maharashtra | 64Satisfactory | ▼ 24 |
| 174 | Panchkula | Haryana | 64Satisfactory | ▲ 10 |
| 175 | Ambernath | 63Satisfactory | ▼ 136 | |
| 176 | Bhiwani | Haryana | 63Satisfactory | ▼ 14 |
| 177 | Kalyan | Maharashtra | 63Satisfactory | ▼ 15 |
| 178 | Motihari | 63Satisfactory | ▼ 35 | |
| 179 | Muzaffarnagar | Uttar Pradesh | 63Satisfactory | ▼ 10 |
| 180 | Prayagraj | Uttar Pradesh | 63Satisfactory | ▼ 8 |
| 181 | Vapi | 63Satisfactory | ▼ 7 | |
| 182 | Cuttack | Odisha | 62Satisfactory | ▲ 26 |
| 183 | Dungarpur | 62Satisfactory | ▲ 14 | |
| 184 | Asansol | West Bengal | 61Satisfactory | ▼ 10 |
| 185 | Haveri | 61Satisfactory | ▲ 5 | |
| 186 | Maihar | 61Satisfactory | 0 | |
| 187 | Virar | Maharashtra | 61Satisfactory | ▼ 47 |
| 188 | Bhubaneswar | Odisha | 60Satisfactory | ▼ 3 |
| 189 | Lucknow | Uttar Pradesh | 60Satisfactory | ▼ 27 |
| 190 | Shivamogga | Karnataka | 60Satisfactory | ▲ 6 |
| 191 | Vijayawada | Andhra Pradesh | 60Satisfactory | ▼ 5 |
| 192 | Bhagalpur | Bihar | 59Satisfactory | ▲ 6 |
| 193 | Mandikhera | 59Satisfactory | ▼ 2 | |
| 194 | Nellore | Andhra Pradesh | 59Satisfactory | ▲ 7 |
| 195 | Brajrajnagar | 58Satisfactory | ▲ 12 | |
| 196 | Eloor | 58Satisfactory | ▼ 5 | |
| 197 | Kolar | 58Satisfactory | 0 | |
| 198 | Mysuru | Karnataka | 58Satisfactory | ▼ 47 |
| 199 | Gummidipoondi | 57Satisfactory | ▼ 31 | |
| 200 | Guntur | Andhra Pradesh | 57Satisfactory | ▼ 16 |
| 201 | Rourkela | Odisha | 57Satisfactory | ▲ 14 |
| 202 | Udupi | Karnataka | 57Satisfactory | ▼ 9 |
| 203 | Kolhapur | Maharashtra | 56Satisfactory | ▲ 2 |
| 204 | Moradabad | Uttar Pradesh | 56Satisfactory | ▲ 19 |
| 205 | Visakhapatnam | Andhra Pradesh | 56Satisfactory | ▲ 34 |
| 206 | Suakati | 55Satisfactory | ▲ 5 | |
| 207 | Keonjhar | 54Satisfactory | ▲ 16 | |
| 208 | Siliguri | West Bengal | 54Satisfactory | ▼ 34 |
| 209 | Solapur | Maharashtra | 54Satisfactory | ▼ 19 |
| 210 | Bhilai | Chhattisgarh | 53Satisfactory | ▲ 16 |
| 211 | Firozabad | Uttar Pradesh | 53Satisfactory | ▲ 15 |
| 212 | Hubballi | Karnataka | 52Satisfactory | 0 |
| 213 | Raipur | Chhattisgarh | 52Satisfactory | ▼ 4 |
| 214 | Bagalkot | Karnataka | 51Satisfactory | ▲ 16 |
| 215 | Eluru | 51Satisfactory | ▼ 10 | |
| 216 | Puducherry | Puducherry | 51Satisfactory | ▼ 5 |
| 217 | Bathinda | Punjab | 50Good | ▼ 11 |
| 218 | Nagaon | Assam | 50Good | ▼ 15 |
| 219 | Sonipat | Haryana | 50Good | ▼ 34 |
| 220 | Chandigarh | Chandigarh | 49Good | ▼ 13 |
| 221 | Khanna | 49Good | 0 | |
| 222 | Nanded | Maharashtra | 49Good | new |
| 223 | Guwahati | Assam | 48Good | ▼ 9 |
| 224 | Jind | 48Good | ▼ 23 | |
| 225 | Ratlam | Madhya Pradesh | 48Good | ▲ 8 |
| 226 | Chamarajanagar | 45Good | ▼ 3 | |
| 227 | Chennai | Tamil Nadu | 45Good | ▼ 18 |
| 228 | Kalaburagi | Karnataka | 45Good | ▲ 1 |
| 229 | Anantapur | Andhra Pradesh | 43Good | ▼ 22 |
| 230 | Beed | 43Good | ▼ 3 | |
| 231 | Rupnagar | 43Good | ▼ 1 | |
| 232 | Vijayapura | Karnataka | 42Good | 0 |
| 233 | Coimbatore | Tamil Nadu | 41Good | ▲ 10 |
| 234 | Mangalore | Karnataka | 41Good | ▼ 2 |
| 235 | Begusarai | Bihar | 40Good | ▲ 3 |
| 236 | Kishanganj | 40Good | 0 | |
| 237 | Bengaluru | Karnataka | 39Good | ▼ 23 |
| 238 | Kunjemura | 39Good | ▲ 1 | |
| 239 | Chittoor | 37Good | 0 | |
| 240 | Gangtok | Sikkim | 37Good | 0 |
| 241 | Ramanagara | 37Good | new | |
| 242 | Saharsa | Bihar | 37Good | new |
| 243 | Aizawl | Mizoram | 35Good | new |
| 244 | Bihar Sharif | 34Good | new | |
| 245 | Naharlagun | 34Good | ▼ 5 | |
| 246 | Nuapada | 34Good | ▲ 9 | |
| 247 | Srinagar | Jammu and Kashmir | 34Good | ▼ 18 |
| 248 | Amaravati | Andhra Pradesh | 33Good | ▲ 4 |
| 249 | Buxar | 32Good | ▼ 1 | |
| 250 | Thiruvananthapuram | Kerala | 32Good | ▼ 3 |
| 251 | Kakudia | 30Good | ▲ 20 | |
| 252 | Korba | Chhattisgarh | 29Good | ▼ 1 |
| 253 | Bettiah | Bihar | 28Good | ▲ 3 |
| 254 | Cuddalore | 28Good | ▼ 27 | |
| 255 | Yadgir | 27Good | ▼ 35 | |
| 256 | Kuniyamuthur | 25Good | ▲ 3 | |
| 257 | Chikkaballapur | 24Good | ▼ 9 | |
| 258 | Jatni | 23Good | ▲ 5 | |
| 259 | Madikeri | 15Good | new | |
| 260 | Samastipur | 15Good | ▼ 51 | |
| 261 | Rajamahendravaram | Andhra Pradesh | 14Good | ▼ 10 |
| 262 | Korapalli | 7Good | new |
Snapshot taken at 4:00 pm IST from State & Central Pollution Control Board, Government of India · Center for Study of Science, Technology and Policy (CSTEP) · Aurassure's University Clean Air Network. Values are the latest hourly readings at that time, not daily averages. Cities with no reading are left out.