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Air Quality History for Diamond Head / Kapahulu / Saint Louis Heights, United States

Historical PM2.5 and AQI trend from monitoring stations near Diamond Head / Kapahulu / Saint Louis Heights, United States.

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

Air Quality Index Station

295h

PM2.5 Station

295h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-21 36 9–63 9.0 µg/m³ 17h 2
2026-07-20 53 22–133 15.5 µg/m³ 22h 2
2026-07-19 50 14–140 14.4 µg/m³ 24h 2
2026-07-18 75 6–165 26.2 µg/m³ 23h 2
2026-07-17 78 9–271 41.3 µg/m³ 20h 2
2026-07-16 91 17–492 51.4 µg/m³ 23h 2
2026-07-15 45 13–150 11.9 µg/m³ 23h 2
2026-07-14 29 1–52 7.0 µg/m³ 21h 2
2026-07-13 37 14–65 9.4 µg/m³ 18h 2
2026-07-12 31 11–48 7.4 µg/m³ 19h 2
2026-07-11 32 3–72 7.9 µg/m³ 21h 2
2026-07-10 35 10–78 8.9 µg/m³ 24h 2
2026-07-09 40 10–66 10.2 µg/m³ 21h 2
2026-07-08 44 24–107 11.5 µg/m³ 19h 3
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