Patna air quality · Bihar, India
Traffic-side streets may read higher than the nearest station
NAQI 87 (Satisfactory) in Patna, from 4 CPCB monitoring stations. On the US scale that is 94 (Moderate).
Updated
Pollutants in Patna
- PM2.5 · µg/m³32.32.2× WHO limit
- PM10 · µg/m³87.31.9× WHO limit
- NO₂ · µg/m³22.4Under WHO limit
- O₃ · µg/m³38.2
- SO₂ · µg/m³7.8Under WHO limit
- CO · mg/m³0.74
Concentrations averaged across the city's stations. WHO multiples use the 2021 24-hour guidelines.
Is it safe outside in Patna right now?
May cause minor breathing discomfort to sensitive people.
Walking and commuting
Go aheadFine for everyone.
Running and jogging
Take careFine for most; unusually sensitive people should ease the pace.
Cycling
Go aheadFine for everyone.
Children playing outside
Go aheadNo limits for most children.
Older adults and heart or lung conditions
Take careWatch for symptoms such as coughing or breathlessness.
Open windows
Go aheadFine to ventilate.
Mask outdoors
Not neededNot needed.
Air purifier indoors
Not neededOptional.
Based on the US EPA Air Quality Guide, applied to the current NAQI category. If you have symptoms, follow your doctor's advice.
What US AQI 51–100 means for your health →
Air quality by area in Patna
4 stations, worst first- SamanpuraModerate125
- DRM Office DanapurSatisfactory66
- Rajbansi NagarSatisfactory60
- IGSC Planetarium ComplexSatisfactory51
Patna air quality history
Daily average, 37 days- 75average daily NAQI over 37 days
- 113worst day, 14 October
- 8cleanest day, 13 October
- 0days at Poor or worse
The last 7 days averaged 80, worse than the week before (72). 2 of the last 37 days were Good.
Weather in Patna
| Day | Forecast | Max | Min |
|---|---|---|---|
| Mon 19 | Mainly Clear sky | 32° | 21.7° |
| Tue 20 | Mainly Clear sky | 31.7° | 20.8° |
| Wed 21 | Mainly Clear sky | 31.8° | 20.3° |
| Thu 22 | Mainly Clear sky | 32.2° | 20° |
| Fri 23 | Mainly Clear sky | 32° | 18.9° |
| Sat 24 | Mainly Clear sky | 32° | 18.5° |
| Sun 25 | Mainly Clear sky | 31.6° | 18.7° |
India Meteorological Department (IMD) city forecast, issued 19 October 2026. All IMD warnings →
Nearby cities
India rankingRelated reading
Patna air quality: common questions
What is the AQI in Patna right now?
The NAQI in Patna is 87 (Satisfactory), based on 4 monitoring stations. On the US AQI scale the same air reads 94 (Moderate).
Is it safe to go outside in Patna today?
Fine for most people. May cause minor breathing discomfort to sensitive people. For runners: Fine for most; unusually sensitive people should ease the pace.
Which area of Patna has the worst air right now?
Samanpura has the highest reading at 125 (Moderate). IGSC Planetarium Complex has the lowest at 51, out of 4 stations reporting.
How has air quality in Patna been recently?
Over the last 37 days with data, Patna averaged NAQI 75. The worst day was 14 October at 113; the cleanest was 13 October at 8. 0 days were at Poor or worse.
How does Patna's PM2.5 compare with the WHO guideline?
PM2.5 is 32 µg/m³, about 2.2 times the World Health Organization's 24-hour guideline of 15 µg/m³.
Where does Patna's air quality data come from?
From State & Central Pollution Control Board, Government of India · Center for Study of Science, Technology and Policy (CSTEP) · Aurassure's University Clean Air Network, using 4 monitoring stations in and around the city. Good Air does not estimate or adjust these readings.
Source: State & Central Pollution Control Board, Government of India · Center for Study of Science, Technology and Policy (CSTEP) · Aurassure's University Clean Air Network. Readings are published by the monitoring agency and may be revised.