Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Bihar
Air quality index (AQI) and PM2.5 air pollution in Bihar
AIR QUALITY DATA CONTRIBUTORS
Central Pollution Control Board
See all
LIVE AQI CITY RANKING
Real-time Bihar
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Gaya | 54 |
| 2 | Kishanganj | 56 |
| 3 | Arrah | 66 |
| 4 | Naugachhia | 68 |
| 5 | Aurangabad | 73 |
| 6 | Samastipur | 81 |
| 7 | Araria | 84 |
| 8 | Katihar | 84 |
| 9 | Mothihari | 84 |
| 10 | Bihar Sharif | 93 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
News
The latest air quality news and resources.
Bihar air quality data attribution
1Contributor
- Central Pollution Control Board
27 stations
Government Contributor
1 Data source
Which is the most polluted city in Bihar?
- Bettiah 159
- Monghyr 156
- Hajipur 154
- Buxar 133
- Patna 133
- Mairwa 126
- Chapra 121
- Dighwara 121
- Dinapore 121
- Dumraon 121
- Koelwar 121
- Maharajgani 121
- Maner 121
- Masaurhi Buzurg 121
- Revelganj 121
- Shahpur 121
- Siwan 121
- Fatwa 120
- Hilsa 120
- Jagdispur 120
- Jahanabad 120
- Khusropur 120
- Lalganj 120
- Marhaura 120
- Piro 120
- Bakhtiyarpur 119
- Islampur 119
- Koath 119
- Barh 118
- Bikramganj 118
- Daudnagar 118
- Mohiuddinnagar 118
- Nasriganj 118
- Rafiganj 118
- Silao 118
- Tekari 118
- Bar Bigha 117
- Buddh Gaya 117
- Dalsingh Sarai 117
- Dehri 117
- Mokameh 117
- Teghra 117
- Barhiya 116
- Baruni 116
- Hisua 116
- Nawada 116
- Sheikhpura 116
- Sherghati 116
- Waris Aliganj 116
- Bagaha 115
- Begusarai 115
- Bhabhua 115
- Luckeesarai 115
- Nabinagar 115
- Rusera 115
- Barauli 114
- Jamalpur 114
- Khagaria 114
- Asarganj 113
- Banka 113
- Bariarpur 113
- Bhagalpur 113
- Gopalganj 113
- Jamui 113
- Jha-Jha 113
- Kharagpur 113
- Amarpur 112
- Chakia 112
- Darbhanga 110
- Ghoga 110
- Saharsa 110
- Bangaon 109
- Belsand 109
- Colgong 109
- Ramnagar 109
- Raxaul 109
- Sagauli 109
- Dhaka 108
- Sheohar 108
- Bairagnia 107
- Muzaffarpur 107
- Bhagirathpur 106
- Bihariganj 106
- Dumra 106
- Pupri 106
- Sitamarhi 106
- Jhanjharpur 105
- Madhipura 105
- Madhubani 105
- Manihari 105
- Khagaul 104
- Murliganj 104
- Supaul 104
- Banmankhi 103
- Chhatapur 103
- Kasba 103
- Nirmali 103
- Purnia 103
- Baisi 102
- Jaynagar 102
- Raghunathpur 102
- Rajgir 102
- Forbesganj 101
- Shahbazpur 101
- Bhawanipur 100
- Birpur 99
- Jogbani 99
- Bahadurganj 98
- Thakurganj 96
- Bihar Sharif 93
- Araria 84
- Katihar 84
- Mothihari 84
- Samastipur 81
- Aurangabad 73
- Naugachhia 68
- Arrah 66
- Kishanganj 56
- Gaya 54
AQI US, Metric