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Air Quality History for San Francisco, El Salvador

Historical PM2.5 and AQI trend from monitoring stations near San Francisco, El Salvador.

69
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

307h

PM2.5 Station

307h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-10-21 30 3–123 9.4 µg/m³ 10.8 9h 1
2026-10-20 39 2–106 11.2 µg/m³ 12.1 14h 1
2026-10-19 8 1–22 1.7 µg/m³ 1.9 12h 1
2026-10-18 21 2–68 5.1 µg/m³ 5.5 15h 1
2026-10-17 31 2–79 8.2 µg/m³ 8.6 18h 1
2026-10-16 32 3–85 8.6 µg/m³ 9.2 11h 1
2026-10-15 52 6–104 14.7 µg/m³ 15.6 17h 1
2026-10-14 57 19–167 17.9 µg/m³ 18.7 19h 1
2026-10-13 52 7–128 16.1 µg/m³ 17.7 16h 1
2026-10-12 33 3–83 9.3 µg/m³ 9.7 15h 1
2026-10-11 30 1–102 7.9 µg/m³ 8.6 8h 1
2026-10-10 57 1–123 17.6 µg/m³ 19.1 19h 1
2026-10-09 41 7–113 11.4 µg/m³ 12.2 18h 1
2026-10-08 41 12–90 11.0 µg/m³ 11.7 17h 1
2026-10-07 28 6–53 6.6 µg/m³ 7.0 15h 1
2026-10-06 23 2–78 6.4 µg/m³ 6.7 14h 1
2026-10-05 36 18–76 9.1 µg/m³ 9.7 18h 1
2026-10-04 15 1–27 3.7 µg/m³ 3.9 13h 1
2026-10-03 78 34–104 25.4 µg/m³ 26.3 16h 1
2026-10-02 74 36–122 23.5 µg/m³ 25.1 17h 1
2026-10-01 46 14–88 12.5 µg/m³ 13.8 6h 1
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