Air Quality in Simpsonville, United States
Windy
34.0°C · 39.7% humidity
34.0°
Feels 34.0°
39
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Simpsonville's air quality — share it
AQI Forecast
54
11am
34
34
39
2pm
38
37
29
5pm
28
28
35
8pm
27
27
27
11pm
27
27
27
2am
27
27
27
5am
27
34
34
8am
27
27
Air Quality Index Trend
44h · 1 stnSimpsonville's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
39.7%
Humidity
52.7 km/h
Wind WSW
1017.4 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.4 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Simpsonville?
Temperature & Precipitation
PM2.5 Trend
44h · 1 stationPM2.59.4 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX19.9
Extreme
Station readings (1 station within 25 km)
9.4
Median
9.4
Average
9.4
Low
9.4
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -2.0
What is the 7-day forecast for Simpsonville?
09-05
34.0° 21.6°
5.5 mm
09-06
28.1° 21.7°
09-07
24.9° 17.0°
2.38 mm
09-08
32.0° 19.0°
0.13 mm
09-09
24.7° 16.3°
0.19 mm
09-10
36.2° 22.7°
0.19 mm
09-11
37.1° 21.0°
Both models agree
Avg diff: 4.0°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 2026-09-05T18:55 UTC.