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Air Quality History for Kolkata, India

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

99
Current AQI
Moderate
48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

281h · 3 stations

Daily Summary

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-04-10 105 96–150 37.0 µg/m³ 99.0 20h 130
2026-04-09 88 66–104 29.6 µg/m³ 40.5 23h 95
2026-04-08 81 62–87 26.3 µg/m³ 46.3 12h 89
2026-04-07 88 83–91 29.7 µg/m³ 35.6 24h 127
2026-04-06 94 76–101 32.7 µg/m³ 40.3 20h 108
2026-04-05 98 71–151 33.5 µg/m³ — 4h 1
2026-04-04 106 101–111 37.6 µg/m³ 88.2 15h 125
2026-04-03 96 93–100 33.5 µg/m³ 59.6 24h 130
2026-04-02 103 75–135 36.1 µg/m³ 47.8 24h 112
2026-04-01 122 102–151 44.1 µg/m³ 59.6 24h 121
2026-03-31 109 97–123 38.8 µg/m³ 54.0 24h 121
2026-03-30 101 56–123 35.4 µg/m³ 38.2 15h 80
2026-03-29 98 79–107 34.3 µg/m³ 48.2 24h 124
2026-03-28 92 82–106 31.7 µg/m³ 42.4 24h 125
2026-03-27 110 107–113 39.0 µg/m³ 29.3 4h 116
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