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Air Quality History for Saint Helier, Jersey

Historical PM2.5 and AQI trend from monitoring stations near Saint Helier, Jersey.

9
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

471h

PM2.5 Station

471h · 36 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-06-09 6 6–7 1.5 µg/m³ 7h 36
2026-06-08 11 6–19 2.6 µg/m³ 24h 36
2026-06-07 13 11–14 3.1 µg/m³ 24h 36
2026-06-06 13 8–21 3.2 µg/m³ 23h 36
2026-06-05 10 7–12 2.3 µg/m³ 24h 36
2026-06-04 14 10–17 3.4 µg/m³ 24h 36
2026-06-03 11 7–18 2.7 µg/m³ 24h 36
2026-06-02 14 10–23 3.3 µg/m³ 24h 36
2026-06-01 18 13–24 4.3 µg/m³ 21h 37
2026-05-31 18 11–28 4.3 µg/m³ 24h 37
2026-05-30 12 7–24 2.8 µg/m³ 24h 37
2026-05-29 28 16–54 6.7 µg/m³ 24h 37
2026-05-28 45 28–56 10.9 µg/m³ 22h 37
2026-05-27 22 18–31 5.3 µg/m³ 24h 37
2026-05-26 26 16–38 6.3 µg/m³ 24h 37
2026-05-25 36 29–53 8.6 µg/m³ 24h 37
2026-05-24 16 9–24 3.9 µg/m³ 24h 37
2026-05-23 32 13–57 7.8 µg/m³ 24h 38
2026-05-22 25 18–31 6.0 µg/m³ 23h 38
2026-05-21 31 19–49 7.4 µg/m³ 24h 38
2026-05-20 29 20–39 7.0 µg/m³ 15h 38
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