Air Quality in Kolkata, India

Windy
28.2°C · 79.8% humidity
28.2°
Feels 34.3°
88
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
93 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
89 2am
89
89
88 5am
89
89
89 8am
89
89
89 11am
89
89
89 2pm
89
89
89 5pm
89
89
89 8pm
106
106
106 11pm
106
106
Station readings 10h ago
AQI 97
PM2.5 34.0 µg/m³ · 10h ago
CAMS model adj +23
66
66
66
66
66
66
66
66
66
66
66
66
66
66
66
66
66
66
66
83
83
83
83
83
AD 728×90

Air Quality Index Trend

20h · 1 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 5.9× the WHO annual guideline of 5 µg/m³.

79.8%
Humidity
53.6 km/h
Wind ENE
999.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
88
29.52 µg/m³
PM10
60
73.05 µg/m³
050100150200300500

What is the weather forecast for Kolkata?

Temperature & Precipitation

PM2.5 Trend

20h · 1 station
PM2.529.52 µg/m³ ×2.0 WHO
Moderate
PM1073.05 µg/m³
Moderate
UV INDEX0.7
Low
AD 300×250
Station readings (93 stations within 25 km)
29.52
Median
29.34
Average
5.75
Low
51.59
High
PM2.5 µg/m³ · Model: 23.15 · Bias: -6.4

What is the 7-day forecast for Kolkata?

05-29
34.3° 28.2°
1.5 mm
05-30
35.0° 27.5°
0.19 mm
05-31
38.2° 28.8°
0.06 mm
06-01
37.4° 29.3°
0.88 mm
06-02
40.8° 28.2°
4.44 mm
06-03
36.8° 29.9°
3.13 mm
06-04
38.5° 27.6°
1.88 mm
Both models agree Avg diff: 1.7°C

Where are air quality stations near Kolkata?

87
Maulana Azad Collage
0.5 km PM2.5: 29.0 µg/m³
98
Presidency University
1.5 km PM2.5: 34.3 µg/m³
80
Lorreto College
1.9 km PM2.5: 25.9 µg/m³
90
Lady Brabourne College
2.0 km PM2.5: 30.6 µg/m³
35
Fort William, Kolkata, India
2.2 km PM2.5: 8.4 µg/m³
153
Fort William, Kolkata, India
2.2 km PM2.5: 59.4 µg/m³
76
Fort William, Kolkata, India
2.2 km PM2.5: 24.0 µg/m³
86
Flora Fountain
2.5 km PM2.5: 28.9 µg/m³
16
Ballygunge, Kolkata, India
2.9 km PM2.5: 3.8 µg/m³
61
Ballygunge, Kolkata, India
2.9 km PM2.5: 16.9 µg/m³

What cities are near Kolkata?

86 Howrah 88 Chakapara 88 Baranagar 82 Bāli 86 Bankra 77 Dam Dam 90 Kāmārhāti 91 Maheshtala 95 Mahiari 84 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 2026-05-29T00:17 UTC.