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Air Quality History for Chillán, Chile

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

21
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

467h

PM2.5 Station

467h · 4 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-09-05 49 13–104 13.7 µg/m³ 12h 3
2026-09-04 39 16–78 10.2 µg/m³ 24h 3
2026-09-03 42 5–158 11.7 µg/m³ 24h 3
2026-09-02 41 10–66 10.3 µg/m³ 24h 3
2026-09-01 51 13–135 14.5 µg/m³ 24h 4
2026-08-31 45 15–109 12.0 µg/m³ 24h 4
2026-08-30 54 28–143 15.0 µg/m³ 24h 3
2026-08-29 42 23–66 10.4 µg/m³ 23h 4
2026-08-28 37 11–65 9.2 µg/m³ 24h 3
2026-08-27 44 18–80 11.5 µg/m³ 22h 3
2026-08-26 57 20–153 16.8 µg/m³ 23h 3
2026-08-25 46 19–150 12.5 µg/m³ 24h 3
2026-08-24 76 18–166 26.0 µg/m³ 24h 3
2026-08-23 56 16–117 16.1 µg/m³ 23h 3
2026-08-22 69 24–172 23.2 µg/m³ 23h 3
2026-08-21 61 21–153 18.1 µg/m³ 23h 3
2026-08-20 48 1–111 13.4 µg/m³ 24h 3
2026-08-19 59 21–180 19.2 µg/m³ 24h 3
2026-08-18 57 8–152 17.0 µg/m³ 24h 3
2026-08-17 58 16–162 17.8 µg/m³ 23h 4
2026-08-16 43 15–69 11.0 µg/m³ 7h 3
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