What is the air quality in Kolkata right now?

Kolkata is currently reading an AQI of 141, which is Unhealthy for Sensitive. It is the average across 32 reporting stations.

Is it safe to go outside in Kolkata today?

Healthy adults are unlikely to be affected, but shorten heavy exertion outdoors and take breaks. Children, older adults, pregnant people and anyone with asthma, COPD or heart disease should cut back on prolonged outdoor exertion.

What does an AQI of 141 mean?

141 sits in the Unhealthy for Sensitive band of the air quality index. The index runs from 0 to 500, and the lower the number the cleaner the air.

How many air quality monitoring stations are there in Kolkata?

We currently aggregate 32 stations in Kolkata, reading between 86 and 169.

Which station in Kolkata has the worst air quality?

Of the stations currently listed for Kolkata, South Sinthee is reading highest at 169 (Unhealthy).

How often is air quality data for Kolkata updated?

Hourly. We pull from the official monitoring networks that publish for this city, and this page refreshes on the same cadence.

City

Kolkata

32 monitoring stations · readings from 86 to 169

Average AQI

141Unhealthy for Sensitive

0GoodUnhealthy500

GoodModerateSensitiveUnhealthyVery UnhealthyHazardous

Sensor onlineUpdated 15 Sept 2026, 19:21 local time

Right now

Conditions in Kolkata

Last 24 hours

min 82 · avg 111 · max 142

Mon 19:3124 hoursTue 19:01

Conditions

30°C

Cloudy

Humidity: 71%
Wind: 14 km/h
Feels: 34°C

Pollutants

PM2.5

µg/m³

PM10

µg/m³

NO₂

µg/m³

SO₂

µg/m³

O₃

µg/m³

Overview

Air quality in Kolkata

Air quality in Kolkata is currently 141 on the AQI scale, which falls in the Unhealthy for Sensitive band. That number is the average across every monitoring station reporting in Kolkata right now.

We aggregate 32 stations across Kolkata. Individual stations range from 86 at the cleanest to 169 at the worst, so conditions vary across Kolkata — the local figure matters more than the average.

Kolkata breaks down into 33 stations you can open individually. Of those listed below, South Sinthee is reading highest at 169 and Kankurgachi lowest at 86.

Readings refresh hourly from the official monitoring networks we track. Conditions can change quickly, so check back before planning time outdoors.

What to do at unhealthy for sensitive levels

Outdoor activity

Healthy adults are unlikely to be affected, but shorten heavy exertion outdoors and take breaks.

Sensitive groups

Children, older adults, pregnant people and anyone with asthma, COPD or heart disease should cut back on prolonged outdoor exertion.

Indoor air

Keep windows shut during the worst hours and run a purifier with a HEPA filter if you have one.

Drill down

Stations in Kolkata

33 stations

169

Harish Nagar

Unhealthy

Kolkata

Conditions in Kolkata

Last 24 hours

Conditions

Pollutants

Air quality in Kolkata

What to do at unhealthy for sensitive levels

Outdoor activity

Sensitive groups

Indoor air

Stations in Kolkata

Harish Nagar

South Sinthee

Madhyamgram

Manicktala

Kamarhati

Beniapukur

Kaikhali

Paikpara First Row

Cossipore

Lake Terrace

Elgin

Kamardanga

Kulia

Fort William

Hastings

Ballygunge

Bidhannagar

Dhakuria

South City Complex

Taltala

Bagan Bari

Lebutala

Tangra

Chetla

Ee Block

Sukchar

Uttarmath

Samarpally

Government Colony

Tagore Park

Paschim Putiary

Survey Park

Kankurgachi

About Kolkata

Other cities nearby

Kolkata air quality, answered

See Kolkata on the map.