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Kolkata Air Quality Index (AQI)

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Air Pollution Levels in Kolkata

Ambient AQI Index
206POOR
Dominant Pollutant: O₃

India Air Quality Index (AQI) Scale Reference Key

0-50
GOOD
51-100
SATISFACTORY
101-200
MODERATE
201-300
POOR
301-400
V. POOR
401+
SEVERE
Current Status Advice: Breathing discomfort may occur during extended outdoor exposure.

Active Atmospheric Pollutant Parameters

Particulate Matter 2.5

PM2.5
23.6µg/m³
Good

Fine inhalable particles that can penetrate deep into the lungs.

Particulate Matter 10

PM10
26.3µg/m³
Good

Coarse dust particles commonly generated from roads and construction.

Nitrogen Dioxide

NO₂
4.3µg/m³
Good

Produced mainly from vehicle emissions and fuel combustion.

Sulfur Dioxide

SO₂
10.8µg/m³
Good

Released from industrial processes and fossil fuel burning.

Carbon Monoxide

CO
290µg/m³
Good

Generated through incomplete combustion of fuels.

OzoneDOMINANT

O₃
111µg/m³
Moderate

Ground-level ozone forms through sunlight-driven chemical reactions.

Kolkata AQI Today

Weather conditions are expected to remain Poor air quality

The latest Kolkata AQI update shows an Air Quality Index (AQI) of 206, placing air quality in the Poor category. Current conditions suggest that the air is unhealthy for sensitive groups, making it suitable for most outdoor activities. According to the Kolkata AQI forecast, air quality is being monitored in real time and may change throughout the day depending on pollution levels.

Kolkata AQI FAQs

Frequently asked questions regarding temperature details, rain predictions, and winter transitions in Kolkata.

The current Air Quality Index (AQI) in Kolkata is 206, which falls under the Poor category.

With an AQI of 206, the air quality in Kolkata is currently classified as Poor.

An AQI of 206 indicates poor air quality. Sensitive groups should limit outdoor exposure.

CO is currently the dominant pollutant in Kolkata, contributing the most to the city's AQI today.

Current air quality readings in Kolkata show PM2.5 levels at 23.6 and PM10 levels at 26.3.

NO2 is 4.3, SO2 is 10.8, O3 is 111, and CO is 290 in Kolkata today.

According to current readings, air quality in Kolkata is expected to remain in the Poor category throughout the day.

AQI data for Kolkata is updated regularly using real-time monitoring stations and environmental sensors.

Based on the current AQI of 206, air quality in Kolkata is categorized as Poor. It is advisable to limit prolonged outdoor exposure.