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Air Quality History for Kolkata, India

Historical PM2.5 and AQI trend from monitoring stations near Kolkata, India.

113
Current AQI
Unhealthy for sensitive groups Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

384h

PM2.5 Station

384h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 126 81–220 62.6 µg/m³ 5h 38
2026-10-20 112 87–144 39.8 µg/m³ 17h 37
2026-10-19 113 81–151 40.3 µg/m³ 12h 1
2026-10-18 115 109–135 41.0 µg/m³ 9h 73
2026-10-17 148 89–196 81.4 µg/m³ 19h 23
2026-10-16 178 132–189 108.8 µg/m³ 19h 1
2026-10-15 153 78–179 80.1 µg/m³ 18h 6
2026-10-14 172 116–202 101.3 µg/m³ 21h 2
2026-10-13 182 105–217 120.1 µg/m³ 15h 2
2026-10-12 170 98–240 94.1 µg/m³ 24h 44
2026-10-11 205 123–241 147.3 µg/m³ 22h 1
2026-10-10 180 102–225 116.2 µg/m³ 24h 2
2026-10-09 133 106–192 62.9 µg/m³ 22h 61
2026-10-08 166 109–217 100.9 µg/m³ 18h 23
2026-10-07 200 111–253 139.4 µg/m³ 21h 1
2026-10-06 174 65–215 109.8 µg/m³ 23h 1
2026-10-05 162 137–197 85.5 µg/m³ 21h 54
2026-10-04 210 120–252 149.8 µg/m³ 22h 1
2026-10-03 197 132–221 139.8 µg/m³ 19h 1
2026-10-02 193 116–237 132.1 µg/m³ 20h 16
2026-10-01 155 123–188 82.8 µg/m³ 13h 52
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