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Air Quality History for Kolkata, India

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

103
Current AQI
Unhealthy for sensitive groups Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

465h

PM2.5 Station

465h · 96 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-09-05 94 88–104 32.3 µg/m³ 18h 95
2026-09-04 95 90–102 32.8 µg/m³ 24h 96
2026-09-03 109 100–114 38.9 µg/m³ 24h 95
2026-09-02 132 112–198 61.0 µg/m³ 22h 63
2026-09-01 116 75–178 46.6 µg/m³ 23h 34
2026-08-31 76 70–82 24.1 µg/m³ 24h 87
2026-08-30 74 70–81 23.0 µg/m³ 24h 90
2026-08-29 89 82–97 30.3 µg/m³ 24h 97
2026-08-28 106 96–119 37.6 µg/m³ 24h 98
2026-08-27 111 90–156 39.8 µg/m³ 24h 94
2026-08-26 87 83–89 29.2 µg/m³ 24h 100
2026-08-25 93 70–132 31.3 µg/m³ 22h 61
2026-08-24 74 70–77 22.8 µg/m³ 24h 88
2026-08-23 74 70–87 23.3 µg/m³ 24h 91
2026-08-22 107 90–116 37.9 µg/m³ 24h 101
2026-08-21 103 98–110 36.5 µg/m³ 24h 93
2026-08-20 132 74–174 60.0 µg/m³ 17h 17
2026-08-19 81 78–82 26.3 µg/m³ 24h 94
2026-08-18 84 59–137 27.4 µg/m³ 22h 47
2026-08-17 72 67–109 22.1 µg/m³ 24h 72
2026-08-16 68 68–68 20.2 µg/m³ 5h 71
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