Air Quality in Winston-Salem, United States
Drizzle
25.7°C · 78.4% humidity
25.7°
Feels 25.7°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
AQI Forecast
Calibrated
30
4pm
30
30
38
7pm
36
34
33
10pm
32
32
31
1am
38
38
37
4am
37
57
57
7am
37
37
37
10am
37
37
37
1pm
37
37
Station readings
45h ago
AQI 30
PM2.5 7.2 µg/m³ · 45h ago
Air Quality Index Trend
34h · 4 stnWinston-Salem's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
78.4%
Humidity
42.4 km/h
Wind NW
1011.9 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.1 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Winston-Salem?
Temperature & Precipitation
PM2.5 Trend
34h · 4 stationsPM2.59.1 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
Station readings (1 station within 25 km)
9.1
Median
9.1
Average
9.1
Low
9.1
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -1.8
What is the 7-day forecast for Winston-Salem?
08-03
25.7° 21.8°
2.25 mm
08-04
35.7° 20.7°
0.25 mm
08-05
33.7° 19.5°
0.69 mm
08-06
34.2° 20.8°
2.63 mm
08-07
32.5° 19.1°
1.31 mm
08-08
37.3° 22.2°
2.75 mm
08-09
37.7° 21.3°
0.06 mm
Both models agree
Avg diff: 2.8°C
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-07T23:59 UTC.