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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

478h

PM2.5 Station

478h · 101 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-05-29 19 14–23 4.5 µg/m³ 4.2 23h 101
2026-05-28 23 14–50 5.5 µg/m³ 3.7 24h 93
2026-05-27 22 20–28 5.3 µg/m³ 3.2 24h 103
2026-05-26 21 16–28 5.1 µg/m³ 3.8 24h 103
2026-05-25 19 15–26 4.5 µg/m³ 1.8 24h 102
2026-05-24 20 17–24 4.9 µg/m³ 1.4 24h 103
2026-05-23 27 23–58 6.6 µg/m³ 2.9 24h 103
2026-05-22 30 27–37 7.3 µg/m³ 4.1 24h 100
2026-05-21 40 32–47 9.7 µg/m³ 13.0 24h 103
2026-05-20 37 26–41 8.9 µg/m³ 11.4 24h 103
2026-05-19 29 20–34 6.9 µg/m³ 13.5 24h 103
2026-05-18 19 16–23 4.5 µg/m³ 4.1 24h 101
2026-05-17 34 26–39 8.1 µg/m³ 7.6 24h 102
2026-05-16 35 29–41 8.4 µg/m³ 8.9 24h 101
2026-05-15 32 27–35 7.6 µg/m³ 8.4 24h 103
2026-05-14 26 22–29 6.4 µg/m³ 5.5 24h 104
2026-05-13 23 20–29 5.5 µg/m³ 2.4 24h 103
2026-05-12 25 21–31 6.0 µg/m³ 3.2 24h 103
2026-05-11 32 25–40 7.6 µg/m³ 5.2 24h 103
2026-05-10 26 22–30 6.2 µg/m³ 4.0 23h 103
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