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Patna AQI Today

130US AQI
Unhealthy for Sensitive Groups

The current Air Quality Index in Patna, Bihar, India is 130, which is considered unhealthy for sensitive groups. The fine particulate (PM2.5) concentration is 38.9 µg/m³.

Last updated · Source: CAMS forecast model

Pollutant levels in Patna

PM2.538.9 µg/m³Fine particulate matter
PM1040 µg/m³Coarse particulate matter
O₃155 µg/m³Ozone
NO₂5.6 µg/m³Nitrogen dioxide
SO₂13.1 µg/m³Sulphur dioxide
CO392 µg/m³Carbon monoxide

Health advice

Members of sensitive groups — children, older adults, and people with respiratory or heart conditions — may experience health effects. They should limit prolonged outdoor exertion.

7-day AQI trend

DayAQICategory
Aug 1690Moderate
Aug 1792Moderate
Aug 1881Moderate
Aug 1982Moderate
Aug 2096Moderate
Aug 21115Unhealthy for Sensitive Groups
Aug 22121Unhealthy for Sensitive Groups

About the Air Quality Index

The Air Quality Index (AQI) converts measured pollutant concentrations — including PM2.5, PM10, ozone (O₃), nitrogen dioxide (NO₂), sulphur dioxide (SO₂), and carbon monoxide (CO) — into a single 0–500 scale. Higher values mean greater health risk. The reading for Patna reflects a CAMS forecast model and updates throughout the day. Learn what the AQI number means for your body, read the AQI scale reference, or compare PM2.5 and PM10.

Frequently asked questions about Patna air quality

What is the AQI in Patna today?

The current Air Quality Index in Patna, Bihar, India is 130 on the 0–500 US AQI scale, which is categorised as unhealthy for sensitive groups. The reading comes from a CAMS forecast model and refreshes throughout the day.

What is the PM2.5 level in Patna right now?

Fine particulate matter (PM2.5) in Patna, Bihar, India is currently 38.9 µg/m³. The World Health Organization recommends keeping the 24-hour average below 15 µg/m³, so Patna is currently above the WHO guideline.

Is it safe to go outside in Patna today?

Members of sensitive groups — children, older adults, and people with respiratory or heart conditions — may experience health effects. They should limit prolonged outdoor exertion.

What is considered a good AQI level?

An AQI of 0–50 is good, 51–100 is moderate, 101–150 is unhealthy for sensitive groups, 151–200 is unhealthy, 201–300 is very unhealthy, and anything above 300 is hazardous. The scale is the same everywhere, so readings are directly comparable between cities.

How often is the Patna air quality data updated?

Air quality readings for Patna, Bihar, India refresh throughout the day, and this page is rendered fresh on every visit, so the AQI, pollutant breakdown and 7-day trend always reflect the latest available model output.

Air quality near Patna

Compare Patna with the closest monitored cities — pollution is regional, so neighbouring readings often move together.

Open the live AQI dashboard Compare cities← All cities