Purnia AQI Today
Live AQI, a full pollutant breakdown and a 4-day forecast for Purnia, updated every 15 minutes.
The Air Quality Index in Purnia, Bihar is 146 (Moderate) on India's CPCB National AQI scale, driven by PM2.5 with PM2.5 at 74 µg/m³. Updated every 15 minutes from OpenWeatherMap station data, last read .
Updated 08:38 pm
Breathing discomfort likely for people with asthma, heart disease, children and the elderly.
PM2.5 is driving this reading — mostly combustion — vehicles, crop burning, industry and cooking fuel.
Pollutants
PM2.5
74
μg/m³
sub-index 146
PM10
79
μg/m³
sub-index 80
Ozone
33
μg/m³
sub-index 33
NO₂
4.5
μg/m³
sub-index 6
SO₂
4.2
μg/m³
sub-index 5
CO
428
μg/m³
sub-index 21
The AQI is the highest of these sub-indices, on the CPCB National AQI (India) scale. Both standards are defined over 8- and 24-hour averages; readings here are instantaneous, so treat short spikes with care.
What you should do
Sensitive groups should cut back prolonged outdoor exertion
Run an air purifier indoors
Keep windows closed during peak traffic hours
Wear a mask outdoors if you have asthma or a heart condition