What is the current AQI in Kolkata?

The current Air Quality Index (AQI) in Kolkata is 0, which falls under the "Good" category. Air quality is satisfactory, and air pollution poses little or no risk.

AQI stands for Air Quality Index. It is a standardized indicator used to communicate how polluted the air currently is or how polluted it is forecast to become. AQI values range from 0 to 500, with lower values indicating better air quality.

What are the pollutant levels in Kolkata?

Current pollutant levels in Kolkata include: pm2_5: 251.29 ug/m3, pm10: 162 ug/m3, no2: 71.29 ug/m3, so2: 12.86 ug/m3, co: 87.5 mg/m3, o3: 10.43 ug/m3. These values contribute to the overall AQI of 0.

Kolkata Air Quality Index (AQI) Today | Air Pollution

Kolkata, India

Last Updated: 03-03-2026 04:00:00

211

PM2.5 340 µg/m³ | PM10 0 µg/m³

Air Quality Level

Unhealthy

500+ PPM

Current AQI Status

Minimum: 95

On Feb 3 at 8:00 AM

Maximum: 249

On Feb 13 at 6:00 PM

AQI Scale

0-50

Good

Air quality is satisfactory

51-100

Satisfactory

Acceptable air quality

101-150

Moderate

May cause breathing discomfort

151-200

Poor

May cause breathing discomfort to most

201-300

Unhealthy

May cause respiratory illness

300+

Severe

May cause respiratory illness to all

Major Air Pollutants of

PM2.5 ug/m3

340

Fine Particles (<2.5um)

NO2 ug/m3

151

Nitrogen Dioxide

SO2 ug/m3

Sulfur Dioxide

CO mg/m3

Carbon Monoxide

O3 ug/m3

Ozone

Kolkata Air Quality Index (AQI) Today

The Air Quality Index (AQI) in Kolkata is 137, which means the air quality is Moderate right now. The main pollutant today is PM10: 162, PM25: 251.29, NO2: 71.29, SO2: 12.86, O3: 10.43, CO: 87.5. If the AQI is above 100,…

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