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Air Quality History for Winston-Salem, United States

Historical PM2.5 and AQI trend from monitoring stations near Winston-Salem, United States.

29
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

428h

PM2.5 Station

428h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 38 30–45 9.0 µg/m³ 4h 2
2026-10-20 29 1–61 7.1 µg/m³ 22h 2
2026-10-19 21 9–34 5.0 µg/m³ 21h 2
2026-10-18 22 9–48 5.2 µg/m³ 22h 2
2026-10-17 17 4–25 4.0 µg/m³ 24h 2
2026-10-16 25 11–57 6.1 µg/m³ 21h 2
2026-10-15 31 5–65 7.8 µg/m³ 22h 2
2026-10-14 35 20–53 8.4 µg/m³ 24h 2
2026-10-13 33 6–55 7.9 µg/m³ 22h 2
2026-10-12 25 3–57 6.1 µg/m³ 21h 2
2026-10-11 24 5–44 5.7 µg/m³ 23h 2
2026-10-10 30 9–52 7.2 µg/m³ 20h 2
2026-10-09 26 11–40 6.3 µg/m³ 20h 2
2026-10-08 35 17–72 8.7 µg/m³ 20h 2
2026-10-07 29 16–91 7.5 µg/m³ 21h 2
2026-10-06 24 6–47 5.9 µg/m³ 19h 2
2026-10-05 24 3–50 5.6 µg/m³ 23h 2
2026-10-04 22 11–36 5.2 µg/m³ 23h 2
2026-10-03 21 3–67 5.3 µg/m³ 22h 2
2026-10-02 34 13–55 8.3 µg/m³ 19h 2
2026-10-01 35 16–58 8.5 µg/m³ 15h 2
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