Air Quality in Kolkata, India

Windy
29.1°C · 72.5% humidity
29.1°
Feels 34.7°
90
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
95 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
87 7pm
87
104
90 10pm
94
97
99 1am
100
101
102 4am
103
86
86 7am
87
87
87 10am
87
87
87 1pm
87
87
87 4pm
87
104
Station readings 27h ago
AQI 97
PM2.5 34.0 µg/m³ · 27h ago
CAMS model adj +21
66
66
83
83
83
83
83
83
83
83
83
66
66
66
66
66
66
66
66
66
66
66
66
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 2.0× the WHO 24-hour guideline of 15 µg/m³.

72.5%
Humidity
41.3 km/h
Wind S
1001.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
90
30.53 µg/m³
PM10
51
54.9 µg/m³
050100150200300500

What is the weather forecast for Kolkata?

Temperature & Precipitation

PM2.5 Trend

20h · 1 station
PM2.530.53 µg/m³ ×2.0 WHO
Moderate
PM1054.9 µg/m³
Moderate
UV INDEX0.7
Low
AD 300×250
Station readings (95 stations within 25 km)
30.53
Median
29.68
Average
14.0
Low
92.3
High
PM2.5 µg/m³ · Model: 23.15 · Bias: -7.4

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: 1.8°C

Where are air quality stations near Kolkata?

86
Maulana Azad Collage
0.5 km PM2.5: 28.9 µg/m³
97
Presidency University
1.5 km PM2.5: 34.2 µg/m³
84
Lorreto College
1.9 km PM2.5: 27.8 µg/m³
91
Lady Brabourne College
2.0 km PM2.5: 31.3 µg/m³
35
Fort William, Kolkata, India
2.2 km PM2.5: 8.4 µg/m³
96
Fort William, Kolkata, India
2.2 km PM2.5: 33.5 µg/m³
30
Fort William, Kolkata, India
2.2 km PM2.5: 7.2 µg/m³
86
Flora Fountain
2.5 km PM2.5: 28.8 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?

93 Howrah 106 Chakapara 85 Baranagar 84 Bāli 88 Bankra 78 Dam Dam 88 Kāmārhāti 88 Maheshtala 91 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 2026-05-29T17:25 UTC.