Air Quality in Kolkata, India

Windy
28.8°C · 78.4% humidity
28.8°
Feels 35.0°
74
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
95 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
74 1am
73
74
74 4am
70
68
66 7am
64
56
56 10am
55
55
55 1pm
54
54
54 4pm
61
81
81 7pm
81
81
81 10pm
81
81
Station readings
74
73
74
CAMS model adj +27
54
34
34
34
34
34
34
34
27
27
27
27
27
27
27
27
34
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

45h · 89 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 1.5× the WHO 24-hour guideline of 15 µg/m³.

78.4%
Humidity
65.4 km/h
Wind SSE
1004.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
74
22.91 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Kolkata?

Temperature & Precipitation

PM2.5 Trend

45h · 89 stations
PM2.522.91 µg/m³ ×1.5 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (95 stations within 25 km)
22.91
Median
23.15
Average
15.43
Low
62.34
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -12.1

What is the 7-day forecast for Kolkata?

08-03
33.2° 28.0°
1.69 mm
08-04
32.0° 27.3°
1.31 mm
08-05
34.1° 26.7°
2.75 mm
08-06
33.8° 27.7°
10.75 mm
08-07
32.2° 27.7°
4.31 mm
08-08
33.2° 28.3°
6.44 mm
08-09
34.3° 28.5°
14.37 mm
Both models agree Avg diff: 1.9°C

Where are air quality stations near Kolkata?

74
Maulana Azad Collage
0.5 km PM2.5: 23.1 µg/m³
78
Presidency University
1.5 km PM2.5: 25.1 µg/m³
67
Lorreto College
1.9 km PM2.5: 19.6 µg/m³
67
Lady Brabourne College
2.0 km PM2.5: 19.7 µg/m³
70
Flora Fountain
2.5 km PM2.5: 21.3 µg/m³
85
Bethune College
2.9 km PM2.5: 28.2 µg/m³
64
Howrah Municipal Office
3.8 km PM2.5: 18.1 µg/m³
67
Ballygunge Campus, C.U
4.0 km PM2.5: 19.5 µg/m³
68
WBPCB Office, Saltlake
4.8 km PM2.5: 20.3 µg/m³
72
Dhapa Lock Pumping Station
4.8 km PM2.5: 21.9 µg/m³

What cities are near Kolkata?

71 Howrah 70 Chakapara 74 Baranagar 67 Bāli 76 Bankra 68 Dam Dam 74 Kāmārhāti 75 Maheshtala 79 Mahiari 77 Dumjor
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-07T23:53 UTC.