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Air Quality History for Boston, United States

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

16
Current AQI
Good
48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

320h · 2 stations

Daily Summary

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-04-11 23 14–39 5.5 µg/m³ — 19h 2
2026-04-10 24 18–39 5.6 µg/m³ — 24h 2
2026-04-09 23 18–27 5.4 µg/m³ — 16h 2
2026-04-08 17 14–18 3.9 µg/m³ — 8h 2
2026-04-07 21 15–29 5.1 µg/m³ — 24h 2
2026-04-06 12 9–16 2.8 µg/m³ — 18h 2
2026-04-04 33 15–40 7.9 µg/m³ — 14h 2
2026-04-03 19 12–32 4.6 µg/m³ — 24h 2
2026-04-02 16 13–25 3.8 µg/m³ — 21h 2
2026-04-01 43 25–55 10.7 µg/m³ — 21h 2
2026-03-31 43 28–53 10.3 µg/m³ — 21h 2
2026-03-30 23 21–26 5.5 µg/m³ — 10h 2
2026-03-29 20 18–22 4.8 µg/m³ — 23h 2
2026-03-28 20 18–21 4.8 µg/m³ — 22h 2
2026-03-27 31 13–60 7.6 µg/m³ — 24h 2
2026-03-26 29 18–41 7.0 µg/m³ 8.2 24h 3
2026-03-25 19 15–26 4.5 µg/m³ 4.3 7h 3
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