Air Quality in Richland, United States
Windy
36.9°C · 8.2% humidity
36.9°
Feels 36.9°
82
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
5 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
114
11am
78
79
82
2pm
78
78
78
5pm
107
107
107
8pm
107
107
107
11pm
107
107
107
2am
107
107
107
5am
119
119
107
8am
107
107
Station readings
114
79
73
CAMS model
adj +53
27
25
25
25
25
25
25
54
54
54
54
54
54
54
54
54
54
54
54
66
66
54
54
54
Air Quality Index Trend
46h · 4 stnRichland'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 1.8× the WHO 24-hour guideline of 15 µg/m³.
8.2%
Humidity
99.7 km/h
Wind SW
1003.9 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
27.01 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Richland?
Temperature & Precipitation
PM2.5 Trend
46h · 4 stationsPM2.527.01 µg/m³
×1.8 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX24.9
Extreme
Station readings (5 stations within 25 km)
27.01
Median
27.56
Average
21.05
Low
42.78
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -20.8
What is the 7-day forecast for Richland?
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°
Both models agree
Avg diff: 3.3°C
Where are air quality stations near Richland?
65
Kennewick-S Steptoe St
61
Metaline, Kennewick, Washington, USA
51
Metaline, Kennewick, Washington, USA
37
Metaline, Kennewick, Washington, USA
119
Pasco
70
Burbank-Maple St
74
Finley-S Finley Rd
What cities are near Richland?
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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 2026-07-21T21:28 UTC.