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Air Quality History for Harlingen, United States

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

19
Current AQI
Good CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

391h

PM2.5 Station

391h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-05-29 20 5–35 4.8 µg/m³ 11h 2
2026-05-28 31 13–56 7.5 µg/m³ 21h 2
2026-05-27 32 3–53 7.8 µg/m³ 21h 2
2026-05-26 28 12–51 6.7 µg/m³ 18h 2
2026-05-25 36 17–57 8.9 µg/m³ 20h 2
2026-05-24 45 21–82 11.4 µg/m³ 20h 2
2026-05-23 39 8–56 9.5 µg/m³ 20h 2
2026-05-22 38 21–55 9.3 µg/m³ 21h 2
2026-05-21 33 12–46 7.8 µg/m³ 18h 2
2026-05-20 51 16–67 13.6 µg/m³ 19h 2
2026-05-19 64 52–85 18.1 µg/m³ 20h 2
2026-05-18 72 53–99 21.9 µg/m³ 19h 2
2026-05-17 80 44–142 25.6 µg/m³ 20h 2
2026-05-16 28 20–38 6.8 µg/m³ 15h 2
2026-05-15 28 11–54 6.7 µg/m³ 19h 2
2026-05-14 24 5–51 5.7 µg/m³ 20h 2
2026-05-13 31 14–56 7.6 µg/m³ 21h 2
2026-05-12 24 11–43 5.8 µg/m³ 21h 2
2026-05-11 33 4–70 8.6 µg/m³ 21h 2
2026-05-10 44 22–73 11.7 µg/m³ 20h 2
2026-05-09 47 34–56 11.6 µg/m³ 6h 2
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