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Air Quality History for Dorchester, United States

Historical PM2.5 and AQI trend from monitoring stations near Dorchester, United States.

5
Current AQI
Good Station

Air Quality Index Station

306h

PM2.5 Station

306h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-10-20 5 3–8 1.2 µg/m³ 2.0 22h 1
2026-10-19 6 1–14 1.4 µg/m³ 2.0 24h 1
2026-10-18 3 1–7 0.7 µg/m³ 1.1 24h 1
2026-10-17 6 1–15 1.1 µg/m³ 1.8 10h 1
2026-10-16 6 1–15 1.4 µg/m³ 2.3 23h 1
2026-10-15 2 1–9 0.3 µg/m³ 0.6 18h 1
2026-10-14 12 3–22 2.9 µg/m³ 4.8 24h 1
2026-10-13 17 2–27 4.0 µg/m³ 6.5 24h 1
2026-10-12 3 1–5 0.5 µg/m³ 0.9 20h 1
2026-10-11 11 2–31 2.7 µg/m³ 3.6 24h 1
2026-10-10 4 1–23 0.8 µg/m³ 1.3 22h 1
2026-10-09 2 1–6 0.5 µg/m³ 0.9 22h 1
2026-10-08 5 2–10 1.2 µg/m³ 2.1 24h 1
2026-10-07 3 1–5 0.6 µg/m³ 1.0 24h 1
2026-10-06 3 3–3 0.7 µg/m³ 1.2 1h 1
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