Bihar
62 monitoring stations · readings from 95 to 283
Average AQI
Air quality in Bihar
Air quality in Bihar is currently 157 on the AQI scale, which falls in the Unhealthy band. That number is the average across every monitoring station reporting in Bihar right now.
We aggregate 62 stations across Bihar. Individual stations range from 95 at the cleanest to 283 at the worst, so conditions vary across Bihar — the local figure matters more than the average.
Bihar breaks down into 30 cities you can open individually. Of those listed below, Narkatiaganj is reading highest at 199 and Munger lowest at 95.
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 levels
Outdoor activity
Everyone may begin to feel effects. Move workouts indoors and keep time outside brief.
Sensitive groups
Avoid prolonged exertion outdoors entirely. Watch for coughing, wheezing or shortness of breath.
Indoor air
Close windows, run a purifier, and avoid anything that adds particles indoors — frying, incense, candles.
Cities in Bihar
30 cities
Narkatiaganj
Unhealthy
- Stations
- 1
- Range
- 199–199
Buxar
Unhealthy
- Stations
- 2
- Range
- 176–197
Muzaffarpur
Unhealthy
- Stations
- 5
- Range
- 152–283
Bhojpur
Unhealthy
- Stations
- 1
- Range
- 179–179
Saharsa
Unhealthy
- Stations
- 3
- Range
- 169–193
Purnea
Unhealthy
- Stations
- 1
- Range
- 177–177
Araria
Unhealthy
- Stations
- 1
- Range
- 174–174
Kishanganj
Unhealthy
- Stations
- 1
- Range
- 173–173
Bettiah
Unhealthy
- Stations
- 2
- Range
- 152–190
Sasaram
Unhealthy
- Stations
- 1
- Range
- 170–170
Katihar
Unhealthy
- Stations
- 1
- Range
- 169–169
Manoharpur Kachhuara
Unhealthy
- Stations
- 1
- Range
- 165–165
Patna
Unhealthy
- Stations
- 16
- Range
- 154–189
Motihari
Unhealthy
- Stations
- 1
- Range
- 162–162
Chapra
Unhealthy
- Stations
- 1
- Range
- 161–161
Siwan
Unhealthy
- Stations
- 1
- Range
- 158–158
Danapur
Unhealthy
- Stations
- 1
- Range
- 156–156
Hajipur
Unhealthy
- Stations
- 1
- Range
- 156–156
Bhagalpur
Unhealthy
- Stations
- 4
- Range
- 149–157
Arrah
Unhealthy
- Stations
- 1
- Range
- 153–153
Aurangabad
Unhealthy for Sensitive
- Stations
- 2
- Range
- 144–146
Gaya
Unhealthy for Sensitive
- Stations
- 4
- Range
- 136–146
Deo
Unhealthy for Sensitive
- Stations
- 1
- Range
- 134–134
Naili
Unhealthy for Sensitive
- Stations
- 1
- Range
- 134–134
Darbhanga
Unhealthy for Sensitive
- Stations
- 1
- Range
- 114–114
Bihar Sharif
Unhealthy for Sensitive
- Stations
- 1
- Range
- 111–111
Begusarai
Unhealthy for Sensitive
- Stations
- 2
- Range
- 97–116
Rajgir
Unhealthy for Sensitive
- Stations
- 2
- Range
- 101–106
Samastipur
Unhealthy for Sensitive
- Stations
- 1
- Range
- 101–101
Munger
Moderate
- Stations
- 1
- Range
- 95–95
About Bihar
Coordinates
25.599, 85.447
Centroid of monitored stations
Stations
62
Reporting in this area
Spread
95 – 283
Cleanest to worst station reading
Bihar air quality, answered
Bihar is currently reading an AQI of 157, which is Unhealthy. It is the average across 62 reporting stations.
Everyone may begin to feel effects. Move workouts indoors and keep time outside brief. Avoid prolonged exertion outdoors entirely. Watch for coughing, wheezing or shortness of breath.
157 sits in the Unhealthy 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 62 stations in Bihar, reading between 95 and 283.
Of the cities currently listed for Bihar, Narkatiaganj is reading highest at 199 (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.


