Air Quality in Kolkata, India

Drizzle
28.4°C · 85.5% humidity
28.4°
Feels 35.3°
70
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
89 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
68 6pm
80
68
70 9pm
68
68
68 12am
68
68
68 3am
68
68
68 6am
48
48
48 9am
48
48
48 12pm
68
68
68 3pm
68
68
Station readings
61
62
CAMS model adj +14
54
66
54
54
54
54
54
54
54
54
54
54
54
34
34
34
34
34
34
54
54
54
54
54
AD 728×90

Air Quality Index Trend

32h · 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 1.4× the WHO 24-hour guideline of 15 µg/m³.

85.5%
Humidity
57.9 km/h
Wind ESE
997.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
70
21.16 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Kolkata?

Temperature & Precipitation

PM2.5 Trend

32h · 1 station
PM2.521.16 µg/m³ ×1.4 WHO
Moderate
PM1041.15 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (89 stations within 25 km)
21.16
Median
22.03
Average
13.28
Low
69.99
High
PM2.5 µg/m³ · Model: 16.35 · Bias: -4.8

What is the 7-day forecast for Kolkata?

07-21
30.8° 28.2°
10.19 mm
07-22
33.0° 27.9°
5.25 mm
07-23
35.7° 27.8°
2.69 mm
07-24
36.2° 28.3°
0.69 mm
07-25
34.4° 28.6°
5.12 mm
07-26
33.5° 28.4°
2.5 mm
07-27
34.8° 29.9°
19.0 mm
Both models agree Avg diff: 4.2°C

Where are air quality stations near Kolkata?

70
Maulana Azad Collage
0.5 km PM2.5: 21.3 µg/m³
74
Presidency University
1.5 km PM2.5: 22.8 µg/m³
65
Lorreto College
1.9 km PM2.5: 18.8 µg/m³
65
Lady Brabourne College
2.0 km PM2.5: 18.9 µg/m³
38
Fort William, Kolkata, India
2.2 km PM2.5: 9.1 µg/m³
53
Fort William, Kolkata, India
2.2 km PM2.5: 13.1 µg/m³
5
Fort William, Kolkata, India
2.2 km PM2.5: 1.2 µg/m³
68
Flora Fountain
2.5 km PM2.5: 20.1 µg/m³
2
Ballygunge, Kolkata, India
2.9 km PM2.5: 0.5 µg/m³
25
Ballygunge, Kolkata, India
2.9 km PM2.5: 6.0 µg/m³

What cities are near Kolkata?

70 Howrah 68 Chakapara 70 Baranagar 67 Bāli 72 Bankra 67 Dam Dam 71 Kāmārhāti 73 Maheshtala 74 Mahiari 76 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 2026-07-21T16:53 UTC.