Howrah AQI Today
Live AQI, a full pollutant breakdown and a 4-day forecast for Howrah, updated every 15 minutes.
The Air Quality Index in Howrah, West Bengal is 81 (Satisfactory) on India's CPCB National AQI scale, driven by Ozone with PM2.5 at 40 µg/m³. Updated every 15 minutes from OpenWeatherMap station data, last read .
Updated 08:37 pm
Acceptable for most people. Sensitive individuals may notice minor breathing discomfort.
Ozone is driving this reading — mostly sunlight reacting with traffic and industrial fumes.
Pollutants
PM2.5
40
μg/m³
sub-index 68
PM10
43
μg/m³
sub-index 43
Ozone
81
μg/m³
sub-index 81
NO₂
1.5
μg/m³
sub-index 2
SO₂
2.6
μg/m³
sub-index 3
CO
259
μg/m³
sub-index 13
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
Outdoor activity is fine for most people
Monitor symptoms if you have asthma
Keep an inhaler handy if you usually need one
Windows can stay open, but watch for changes