Air Quality in Rapid City, United States
Windy
9.9°C · 87.3% humidity
9.9°
Feels 3.0°
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Rapid City's air quality — share it
AQI Forecast
24
5am
24
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24
8am
24
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24
11am
24
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24
2pm
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5pm
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11pm
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Rapid City'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 Rapid City is 1.2× the WHO annual guideline of 5 µg/m³.
87.3%
Humidity
132.0 km/h
Wind S
1018.5 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.8 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Rapid City?
Temperature & Precipitation
PM2.55.8 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
What is the 7-day forecast for Rapid City?
05-29
31.6° 9.9°
05-30
30.3° 12.4°
0.19 mm
05-31
33.5° 17.8°
06-01
27.7° 9.1°
0.25 mm
06-02
22.1° 7.8°
06-03
34.7° 16.6°
0.06 mm
06-04
21.1° 12.6°
0.13 mm
Both models agree
Avg diff: 3.9°C
What cities are near Rapid City?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T14:49 UTC.