Air Quality in Richland, United States

Windy
29.6°C · 17.4% humidity
29.6°
Feels 29.6°
90
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
109 10am
114
90 1pm
4pm
7pm
10pm
1am
4am
7am
Station readings
109
114
79
CAMS model adj +16
AD 728×90

Air Quality Index Trend

46h · 4 stn

Richland'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 Richland is 2.1× the WHO 24-hour guideline of 15 µg/m³.

17.4%
Humidity
43.9 km/h
Wind WSW
1009.4 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
90
30.8 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

46h · 4 stations
PM2.530.8 µg/m³ ×2.1 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
30.8
Median
34.73
Average
25.53
Low
45.36
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -24.5
07-21
39.5° 18.2°
07-22
36.9° 20.6°
07-23
44.4° 21.8°
07-24
44.5° 19.5°
07-25
36.6° 22.5°
07-26
44.3° 15.6°
07-27
38.2° 22.3°
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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 2026-07-21T20:44 UTC.