Coimbatore AQI Today
Live AQI, a full pollutant breakdown and a 4-day forecast for Coimbatore, updated every 15 minutes.
The Air Quality Index in Coimbatore, Tamil Nadu is 22 (Good) on India's CPCB National AQI scale, driven by Ozone with PM2.5 at 4 µg/m³. Updated every 15 minutes from OpenWeatherMap station data, last read .
Updated 08:37 pm
Air quality is clean. Minimal impact on health.
Ozone is driving this reading — mostly sunlight reacting with traffic and industrial fumes.
Pollutants
PM2.5
4.2
μg/m³
sub-index 7
PM10
7.3
μg/m³
sub-index 7
Ozone
22
μg/m³
sub-index 22
NO₂
6.6
μg/m³
sub-index 8
SO₂
2.3
μg/m³
sub-index 3
CO
162
μg/m³
sub-index 8
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
Great day for a morning walk or run
Open windows for fresh air
No mask needed outdoors
Let children play outside freely