🌿 IsTheAirSafe .com

Patna Unhealthy

Patna, Bihar

Updated: Mar 13, 2026, 9:00 PM

1620500
Unhealthy

Some members of the general public may experience health effects; members of sensitive groups may experience more serious health effects.

Current Weather

25.8°C
Temperature
61%
Humidity
3.4
mph wind
Mainly clear
Conditions

Pollutant Breakdown

162
PM2.5
µg/m³ · Fine particles
102
PM10
µg/m³ · Coarse particles
20.3
Ozone
ppb · Ground-level ozone
4.2
NO₂
ppb · Nitrogen dioxide
3.7
SO₂
ppb · Sulfur dioxide
35
CO
ppm · Carbon monoxide

Dominant pollutant: PM25

PM2.5 Forecast (next 7 days)

Wed
3/11
166
avg
Thu
3/12
166
avg
Fri
3/13
165
avg
Sat
3/14
154
avg
Sun
3/15
168
avg
Mon
3/16
209
avg
Tue
3/17
174
avg

Health Guidance

🚫
Sensitive groups: Avoid prolonged outdoor exertion. Move activities indoors.
⚠️
General population: Reduce prolonged or heavy outdoor exertion. Take more breaks.
💨
Keep windows closed if AQI is Unhealthy or above. Use HEPA air purifiers indoors.

Data from: CPCB - India Central Pollution Control Board, World Air Quality Index Project

Is the air safe in Patna today?

The current Air Quality Index (AQI) in Patna is 162, which is classified as "Unhealthy". Some members of the general public may experience health effects; members of sensitive groups may experience more serious health effects.

The AQI scale runs from 0 to 500. Values of 0–50 are Good, 51–100 are Moderate, 101–150 are Unhealthy for Sensitive Groups, 151–200 are Unhealthy, 201–300 are Very Unhealthy, and 301–500 are Hazardous.

Air quality in Patna, Bihar is monitored by local environmental agencies and reported through the World Air Quality Index project. Data is updated hourly and includes PM2.5, PM10, ozone, nitrogen dioxide, sulfur dioxide, and carbon monoxide.

AQI Scale Reference

0–50
Good
51–100
Moderate
101–150
Unhealthy for Sensitive Groups
151–200
Unhealthy
201–300
Very Unhealthy
301+
Hazardous