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
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 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▲
82
27.01 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Richland?

Temperature & Precipitation

PM2.5 Trend

46h · 4 stations
PM2.527.01 µg/m³ ×1.8 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
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
9.5 km PM2.5: 18.8 µg/m³
61
Metaline, Kennewick, Washington, USA
9.8 km PM2.5: 16.9 µg/m³
51
Metaline, Kennewick, Washington, USA
9.8 km PM2.5: 12.1 µg/m³
37
Metaline, Kennewick, Washington, USA
9.8 km PM2.5: 8.9 µg/m³
119
Pasco
14.1 km PM2.5: 42.8 µg/m³
70
Burbank-Maple St
23.2 km PM2.5: 21.2 µg/m³
74
Finley-S Finley Rd
24.0 km PM2.5: 22.9 µg/m³

What cities are near Richland?

83 Tri-Cities 85 Kennewick 100 Pasco 71 Hermiston 78 Sunnyside 108 Walla Walla 90 Pendleton 159 Moses Lake 60 Yakima 64 Ellensburg
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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.