Air Quality in Winston-Salem, United States
Drizzle
16.3°C · 98.6% humidity
16.3°
Feels 16.3°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
AQI Forecast
24
2pm
24
24
30
5pm
29
28
27
8pm
29
35
35
11pm
35
34
34
2am
27
27
27
5am
27
27
27
8am
25
24
24
11am
24
25
Air Quality Index Trend
44h · 3 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. Current PM2.5 concentration in Winston-Salem is 1.4× the WHO annual guideline of 5 µg/m³.
98.6%
Humidity
56.0 km/h
Wind NNE
1015.5 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.2 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Winston-Salem?
Temperature & Precipitation
PM2.5 Trend
44h · 3 stationsPM2.57.2 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX6.9
High
Station readings (1 station within 25 km)
7.2
Median
7.2
Average
7.2
Low
7.2
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -1.3
Both models agree
Avg diff: 5.0°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 2026-05-28T21:47 UTC.