Air Quality in Kolkata, India

Cloudy
27.6°C · 85.8% humidity
27.6°
Feels 34.1°
101
Unhealthy for sensitive groups
Sensitive groups should reduce prolonged outdoor exertion.
95 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
99 6pm
101
102
101 9pm
104
104
92 12am
92
92
92 3am
104
104
104 6am
92
92
92 9am
92
92
92 12pm
92
92
92 3pm
92
104
Station readings
99
101
102
CAMS model adj +38
66
66
66
66
66
66
54
54
54
54
66
66
66
54
54
54
54
54
54
54
54
54
54
66
AD 728×90

Air Quality Index Trend

47h · 94 stn

Kolkata's air quality is impacted by vehicle emissions, industrial pollution, and seasonal crop burning in surrounding agricultural regions. Winter months from November to February see the worst conditions due to temperature inversions. Current PM2.5 concentration in Kolkata is 2.4× the WHO 24-hour guideline of 15 µg/m³.

85.8%
Humidity
25.1 km/h
Wind SE
1002.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
101
35.48 µg/m³
PM10
60
73.05 µg/m³
050100150200300500

What is the weather forecast for Kolkata?

Temperature & Precipitation

PM2.5 Trend

47h · 94 stations
PM2.535.48 µg/m³ ×2.4 WHO
Unhealthy for sensitive groups
PM1073.05 µg/m³
Moderate
UV INDEX0.7
Low
AD 300×250
Station readings (95 stations within 25 km)
35.48
Median
36.37
Average
18.7
Low
96.02
High
PM2.5 µg/m³ · Model: 23.6 · Bias: -11.9

What is the 7-day forecast for Kolkata?

09-05
32.9° 27.1°
5.0 mm
09-06
30.9° 27.5°
6.5 mm
09-07
35.1° 25.9°
3.37 mm
09-08
31.1° 27.2°
2.31 mm
09-09
31.0° 26.2°
24.63 mm
09-10
33.5° 27.3°
5.06 mm
09-11
31.5° 27.8°
5.38 mm
Both models agree Avg diff: 1.4°C

Where are air quality stations near Kolkata?

98
Maulana Azad Collage
0.5 km PM2.5: 34.3 µg/m³
129
Presidency University
1.5 km PM2.5: 46.8 µg/m³
113
Lorreto College
1.9 km PM2.5: 40.4 µg/m³
92
Flora Fountain
2.5 km PM2.5: 31.7 µg/m³
106
Bethune College
2.9 km PM2.5: 37.6 µg/m³
76
Howrah Municipal Office
3.8 km PM2.5: 24.1 µg/m³
83
Ballygunge Campus, C.U
4.0 km PM2.5: 27.5 µg/m³
92
WBPCB Office, Saltlake
4.8 km PM2.5: 31.5 µg/m³
99
Dhapa Lock Pumping Station
4.8 km PM2.5: 35.1 µg/m³
116
Solaris Ideal Riverview
5.6 km PM2.5: 41.4 µg/m³

What cities are near Kolkata?

109 Howrah 100 Chakapara 105 Baranagar 97 Bāli 114 Bankra 91 Dam Dam 105 Kāmārhāti 104 Maheshtala 109 Mahiari 116 Dumjor
Get AQI alerts for Kolkata

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T16:34 UTC.