Bihar
60 monitoring stations · readings from 88 to 162
Average AQI
Air quality in Bihar
Air quality in Bihar is currently 131 on the AQI scale, which falls in the Unhealthy for Sensitive band. That number is the average across every monitoring station reporting in Bihar right now.
We aggregate 60 stations across Bihar. Individual stations range from 88 at the cleanest to 162 at the worst, so conditions vary across Bihar — the local figure matters more than the average.
Bihar breaks down into 29 cities you can open individually. Of those listed below, Munger is reading highest at 162 and Katihar lowest at 90.
Readings refresh hourly from the official monitoring networks we track. Conditions can change quickly, so check back before planning time outdoors.
What to do at unhealthy for sensitive levels
Outdoor activity
Healthy adults are unlikely to be affected, but shorten heavy exertion outdoors and take breaks.
Sensitive groups
Children, older adults, pregnant people and anyone with asthma, COPD or heart disease should cut back on prolonged outdoor exertion.
Indoor air
Keep windows shut during the worst hours and run a purifier with a HEPA filter if you have one.
Cities in Bihar
29 cities
Munger
Unhealthy
- Stations
- 1
- Range
- 162–162
Manoharpur Kachhuara
Unhealthy
- Stations
- 1
- Range
- 161–161
155Gaya
Unhealthy
- Stations
- 4
- Range
- 154–157
Araria
Unhealthy
- Stations
- 1
- Range
- 153–153
Naili
Unhealthy
- Stations
- 1
- Range
- 153–153
151Begusarai
Unhealthy
- Stations
- 3
- Range
- 132–162
Deo
Unhealthy
- Stations
- 1
- Range
- 151–151
146Samastipur
Unhealthy for Sensitive
- Stations
- 1
- Range
- 146–146
Hajipur
Unhealthy for Sensitive
- Stations
- 1
- Range
- 144–144
142Bhagalpur
Unhealthy for Sensitive
- Stations
- 4
- Range
- 134–149
136Patna
Unhealthy for Sensitive
- Stations
- 14
- Range
- 114–160
Danapur
Unhealthy for Sensitive
- Stations
- 1
- Range
- 134–134
Sasaram
Unhealthy for Sensitive
- Stations
- 1
- Range
- 134–134
130Aurangabad
Unhealthy for Sensitive
- Stations
- 2
- Range
- 126–134
Darbhanga
Unhealthy for Sensitive
- Stations
- 1
- Range
- 129–129
124Buxar
Unhealthy for Sensitive
- Stations
- 2
- Range
- 121–126
123Bettiah
Unhealthy for Sensitive
- Stations
- 2
- Range
- 116–129
122Muzaffarpur
Unhealthy for Sensitive
- Stations
- 5
- Range
- 88–136
Bihar Sharif
Unhealthy for Sensitive
- Stations
- 1
- Range
- 119–119
Purnea
Unhealthy for Sensitive
- Stations
- 1
- Range
- 114–114
Siwan
Unhealthy for Sensitive
- Stations
- 1
- Range
- 111–111
Arrah
Unhealthy for Sensitive
- Stations
- 1
- Range
- 109–109
Chapra
Unhealthy for Sensitive
- Stations
- 1
- Range
- 106–106
106Saharsa
Unhealthy for Sensitive
- Stations
- 3
- Range
- 95–127
Narkatiaganj
Unhealthy for Sensitive
- Stations
- 1
- Range
- 105–105
Rajgir
Unhealthy for Sensitive
- Stations
- 2
- Range
- 95–106
Kishanganj
Moderate
- Stations
- 1
- Range
- 99–99
Motihari
Moderate
- Stations
- 1
- Range
- 99–99
Katihar
Moderate
- Stations
- 1
- Range
- 90–90
About Bihar
Coordinates
25.600, 85.460
Centroid of monitored stations
Stations
60
Reporting in this area
Spread
88 – 162
Cleanest to worst station reading
Bihar air quality, answered
Bihar is currently reading an AQI of 131, which is Unhealthy for Sensitive. It is the average across 60 reporting stations.
Healthy adults are unlikely to be affected, but shorten heavy exertion outdoors and take breaks. Children, older adults, pregnant people and anyone with asthma, COPD or heart disease should cut back on prolonged outdoor exertion.
131 sits in the Unhealthy for Sensitive band of the air quality index. The index runs from 0 to 500, and the lower the number the cleaner the air.
We currently aggregate 60 stations in Bihar, reading between 88 and 162.
Of the cities currently listed for Bihar, Munger is reading highest at 162 (Unhealthy).
Hourly. We pull from the official monitoring networks that publish for this region, and this page refreshes on the same cadence.
See Bihar on the map.
Every station around it, live — or find out what today's reading means for you personally.