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Air Quality History for Hercules, United States

Historical PM2.5 and AQI trend from monitoring stations near Hercules, United States.

13
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

480h

PM2.5 Station

480h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-06-09 19 4–36 4.7 µg/m³ 4.0 15h 90
2026-06-08 25 20–27 6.0 µg/m³ 3.7 24h 104
2026-06-07 29 26–41 6.9 µg/m³ 4.1 24h 104
2026-06-06 32 28–37 7.7 µg/m³ 6.8 24h 98
2026-06-05 40 36–42 9.5 µg/m³ 11.3 24h 103
2026-06-04 28 21–35 6.7 µg/m³ 5.5 24h 103
2026-06-03 31 27–35 7.3 µg/m³ 4.1 24h 102
2026-06-02 40 35–45 9.7 µg/m³ 8.2 24h 103
2026-06-01 38 26–45 9.1 µg/m³ 11.3 24h 92
2026-05-31 34 30–37 8.2 µg/m³ 8.9 24h 105
2026-05-30 24 14–32 5.8 µg/m³ 4.1 24h 103
2026-05-29 19 14–23 4.5 µg/m³ 4.2 24h 102
2026-05-28 24 15–59 5.7 µg/m³ 3.7 24h 95
2026-05-27 21 20–26 5.1 µg/m³ 3.2 24h 103
2026-05-26 22 16–28 5.2 µg/m³ 3.8 24h 105
2026-05-25 18 15–24 4.4 µg/m³ 1.8 24h 103
2026-05-24 21 17–24 4.9 µg/m³ 1.4 24h 104
2026-05-23 27 23–57 6.5 µg/m³ 2.9 24h 104
2026-05-22 31 26–41 7.3 µg/m³ 4.1 24h 101
2026-05-21 41 32–49 9.8 µg/m³ 13.0 24h 105
2026-05-20 39 34–43 9.4 µg/m³ 7.2 9h 105
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