Air Quality in Kolkata, India

Windy
28.2°C · 79.8% humidity
28.2°
Feels 34.3°
87
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
90 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
88 2am
88
88
87 5am
88
88
88 8am
88
88
88 11am
88
88
88 2pm
88
88
88 5pm
88
88
88 8pm
105
105
105 11pm
105
105
Station readings 10h ago
AQI 97
PM2.5 34.0 µg/m³ · 10h ago
CAMS model adj +22
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 5.8× 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▲
87
28.96 µg/m³
PM10
60
73.05 µg/m³
050100150200300500

What is the weather forecast for Kolkata?

Temperature & Precipitation

PM2.5 Trend

20h · 1 station
PM2.528.96 µg/m³ ×1.9 WHO
Moderate
PM1073.05 µg/m³
Moderate
UV INDEX0.7
Low
AD 300×250
Station readings (90 stations within 25 km)
28.96
Median
29.05
Average
4.9
Low
51.01
High
PM2.5 µg/m³ · Model: 23.15 · Bias: -5.8

What is the 7-day forecast for Kolkata?

05-28
28.4° 24.3°
150.5 mm
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
Both models agree Avg diff: 1.7°C

Where are air quality stations near Kolkata?

86
Maulana Azad Collage
0.5 km PM2.5: 28.8 µg/m³
96
Presidency University
1.5 km PM2.5: 33.7 µg/m³
80
Lorreto College
1.9 km PM2.5: 25.7 µg/m³
89
Lady Brabourne College
2.0 km PM2.5: 30.3 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
85
Flora Fountain
2.5 km PM2.5: 28.4 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?

84 Howrah 86 Chakapara 87 Baranagar 81 Bāli 85 Bankra 77 Dam Dam 89 Kāmārhāti 91 Maheshtala 95 Mahiari 83 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 2026-05-29T00:01 UTC.