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Air Quality History for Chillán Viejo, Chile

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

30
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

467h

PM2.5 Station

467h · 3 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-09-05 40 13–66 10.0 µg/m³ 13h 2
2026-09-04 45 16–100 12.3 µg/m³ 24h 3
2026-09-03 36 9–67 9.0 µg/m³ 23h 3
2026-09-02 43 10–97 11.4 µg/m³ 24h 3
2026-09-01 47 9–96 12.5 µg/m³ 24h 4
2026-08-31 50 10–152 14.1 µg/m³ 23h 4
2026-08-30 54 30–116 14.7 µg/m³ 23h 3
2026-08-29 38 20–64 9.5 µg/m³ 23h 4
2026-08-28 36 5–68 8.9 µg/m³ 24h 3
2026-08-27 46 18–98 12.5 µg/m³ 22h 3
2026-08-26 48 15–111 13.1 µg/m³ 23h 3
2026-08-25 50 10–123 14.0 µg/m³ 24h 3
2026-08-24 74 21–184 26.9 µg/m³ 23h 4
2026-08-23 67 20–164 21.9 µg/m³ 24h 3
2026-08-22 68 27–151 20.8 µg/m³ 24h 4
2026-08-21 55 8–111 16.3 µg/m³ 24h 3
2026-08-20 47 1–85 12.7 µg/m³ 24h 3
2026-08-19 54 13–180 17.5 µg/m³ 22h 4
2026-08-18 57 13–155 17.4 µg/m³ 24h 3
2026-08-17 57 19–157 16.8 µg/m³ 24h 3
2026-08-16 36 16–62 9.2 µg/m³ 8h 3
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