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Air Quality History for Chillán, Chile

Historical PM2.5 and AQI trend from monitoring stations near Chillán, Chile.

27
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

249h

PM2.5 Station

249h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 40 27–58 10.2 µg/m³ 5h 3
2026-07-21 31 8–63 7.6 µg/m³ 21h 2
2026-07-20 28 3–52 6.7 µg/m³ 16h 1
2026-07-19 30 2–79 7.7 µg/m³ 22h 1
2026-07-18 44 21–89 11.5 µg/m³ 19h 2
2026-07-17 56 35–131 15.4 µg/m³ 18h 2
2026-07-16 50 23–73 13.1 µg/m³ 17h 2
2026-07-15 52 17–89 13.8 µg/m³ 18h 2
2026-07-14 46 20–66 11.5 µg/m³ 17h 2
2026-07-13 34 16–69 8.5 µg/m³ 17h 2
2026-07-12 40 14–68 10.2 µg/m³ 15h 2
2026-07-11 58 13–168 18.5 µg/m³ 14h 2
2026-07-10 48 17–97 12.9 µg/m³ 18h 2
2026-07-09 85 41–160 28.6 µg/m³ 19h 2
2026-07-08 43 9–78 11.0 µg/m³ 13h 2
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