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Air Quality History for San Salvador, El Salvador

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

15
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

467h

PM2.5 Station

467h · 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 14 1–31 3.2 µg/m³ — 12h 1
2026-10-20 28 8–63 6.7 µg/m³ 7.7 22h 2
2026-10-19 25 4–69 6.6 µg/m³ 7.5 24h 1
2026-10-18 16 4–25 3.9 µg/m³ 4.2 24h 1
2026-10-17 56 18–78 16.7 µg/m³ 17.6 24h 2
2026-10-16 68 48–80 20.3 µg/m³ 21.5 23h 2
2026-10-15 42 17–68 11.3 µg/m³ 12.0 24h 2
2026-10-14 31 6–64 7.7 µg/m³ 8.9 24h 2
2026-10-13 37 19–73 9.6 µg/m³ 10.4 24h 2
2026-10-12 31 16–63 7.8 µg/m³ 8.6 24h 2
2026-10-11 56 32–72 15.0 µg/m³ 16.9 24h 2
2026-10-10 51 30–66 13.2 µg/m³ 14.9 24h 2
2026-10-09 71 23–90 22.8 µg/m³ 24.0 24h 2
2026-10-08 76 43–87 24.2 µg/m³ 26.1 24h 2
2026-10-07 74 36–91 23.2 µg/m³ 25.2 24h 2
2026-10-06 69 11–100 21.9 µg/m³ 27.7 24h 2
2026-10-05 55 6–88 15.6 µg/m³ 21.4 21h 1
2026-10-04 65 40–85 18.9 µg/m³ 20.6 24h 2
2026-10-03 94 80–151 32.1 µg/m³ 35.2 24h 2
2026-10-02 69 60–79 20.8 µg/m³ 22.0 24h 2
2026-10-01 58 40–77 16.3 µg/m³ 22.3 5h 1
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