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
LIVE AQI CITY RANKING
Real-time Bihar
Most polluted city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Hajipur | 151 |
| 2 | Patna | 132 |
| 3 | Bettiah | 117 |
| 4 | Buxar | 114 |
| 5 | Naugachhia | 102 |
| 6 | Bhagalpur | 94 |
| 7 | Muzaffarpur | 89 |
| 8 | Khagaul | 88 |
| 9 | Bihar Sharif | 86 |
| 10 | Aurangabad | 84 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
2 Contributors
See all
LIVE AQI CITY RANKING
Real-time Bihar
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Monghyr | 49 |
| 2 | Kishanganj | 61 |
| 3 | Rajgir | 62 |
| 4 | Katihar | 64 |
| 5 | Arrah | 73 |
| 6 | Mothihari | 74 |
| 7 | Saharsa | 80 |
| 8 | Gaya | 83 |
| 9 | Aurangabad | 84 |
| 10 | Bihar Sharif | 86 |
(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
2Contributors
- Central Pollution Control Board
27 stations
- Central Pollution Control Board 2
1 station
2 Government Contributors
2 Data sources
Which is the most polluted city in Bihar?
- Hajipur 151
- Ramnagar 137
- Gopalganj 135
- Barauli 134
- Mairwa 134
- Sagauli 134
- Siwan 134
- Raxaul 133
- Patna 132
- Chakia 131
- Dhaka 131
- Bairagnia 130
- Maharajgani 130
- Sheohar 130
- Belsand 128
- Dumra 128
- Sitamarhi 128
- Pupri 127
- Jaynagar 124
- Bhagirathpur 123
- Madhubani 123
- Darbhanga 122
- Jhanjharpur 122
- Nirmali 121
- Supaul 120
- Marhaura 119
- Bhawanipur 118
- Birpur 118
- Chhatapur 118
- Dumraon 118
- Bettiah 117
- Madhipura 117
- Revelganj 117
- Shahpur 117
- Chapra 116
- Bikramganj 115
- Dighwara 115
- Forbesganj 115
- Jagdispur 115
- Jogbani 115
- Koath 115
- Lalganj 115
- Piro 115
- Shahbazpur 115
- Bhabhua 114
- Buxar 114
- Daudnagar 114
- Dehri 114
- Dinapore 114
- Fatwa 114
- Jahanabad 114
- Khusropur 114
- Koelwar 114
- Maner 114
- Masaurhi Buzurg 114
- Murliganj 114
- Nasriganj 114
- Bakhtiyarpur 113
- Bangaon 113
- Barh 113
- Dalsingh Sarai 113
- Hilsa 113
- Islampur 113
- Mohiuddinnagar 113
- Rafiganj 113
- Rusera 113
- Tekari 113
- Baruni 112
- Mokameh 112
- Nabinagar 112
- Silao 112
- Teghra 112
- Bahadurganj 111
- Baisi 111
- Banmankhi 111
- Bar Bigha 111
- Barhiya 111
- Begusarai 111
- Buddh Gaya 111
- Kasba 111
- Raghunathpur 111
- Sheikhpura 111
- Waris Aliganj 111
- Hisua 110
- Khagaria 110
- Luckeesarai 110
- Nawada 110
- Purnia 110
- Sherghati 110
- Bagaha 109
- Bariarpur 109
- Bihariganj 109
- Jamalpur 109
- Jamui 109
- Jha-Jha 109
- Kharagpur 109
- Manihari 109
- Thakurganj 109
- Amarpur 108
- Asarganj 108
- Banka 108
- Colgong 108
- Ghoga 108
- Naugachhia 102
- Bhagalpur 94
- Muzaffarpur 89
- Khagaul 88
- Bihar Sharif 86
- Samastipur 86
- Araria 84
- Aurangabad 84
- Gaya 83
- Saharsa 80
- Mothihari 74
- Arrah 73
- Katihar 64
- Rajgir 62
- Kishanganj 61
- Monghyr 49
AQI US, Metric