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Air Quality History for Kolkata, India

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

69
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

280h

PM2.5 Station

280h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-21 70 61–91 21.4 µg/m³ 11h 1
2026-07-20 88 68–93 29.8 µg/m³ 16h 73
2026-07-19 83 72–96 27.3 µg/m³ 15h 50
2026-07-18 74 59–87 23.1 µg/m³ 13h 1
2026-07-17 81 66–117 26.4 µg/m³ 12h 1
2026-07-16 76 58–132 23.5 µg/m³ 8h 1
2026-07-15 80 65–104 25.7 µg/m³ 11h 1
2026-07-14 98 85–105 34.2 µg/m³ 15h 50
2026-07-13 115 103–132 41.2 µg/m³ 20h 82
2026-07-12 113 93–139 40.4 µg/m³ 7h 1
2026-07-11 94 56–111 31.9 µg/m³ 7h 2
2026-07-10 81 71–110 26.4 µg/m³ 13h 1
2026-07-09 84 73–94 27.6 µg/m³ 6h 32
2026-07-08 89 88–90 30.4 µg/m³ 11h 89
2026-07-07 81 74–88 26.4 µg/m³ 13h 78
2026-07-06 69 57–76 20.9 µg/m³ 15h 55
2026-07-05 67 61–67 19.6 µg/m³ 22h 66
2026-07-04 67 67–68 19.9 µg/m³ 24h 81
2026-07-03 72 68–75 22.0 µg/m³ 24h 88
2026-07-02 77 65–112 24.4 µg/m³ 17h 49
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