Air Quality in Richland, United States

Windy
27.8°C · 16.5% humidity
27.8°
Feels 27.8°
79
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
84 1pm
77
69
79 4pm
75
75
75 7pm
55
75
75 10pm
75
75
75 1am
75
75
75 4am
75
75
75 7am
55
55
55 10am
55
48
Station readings
84
77
69
58
CAMS model adj +21
54
54
54
54
54
54
54
34
54
54
54
54
54
54
54
54
54
54
54
34
34
34
34
27
AD 728×90

Air Quality Index Trend

44h · 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 1.7× the WHO 24-hour guideline of 15 µg/m³.

16.5%
Humidity
59.1 km/h
Wind SW
1009.0 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
79
25.44 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Richland?

Temperature & Precipitation

PM2.5 Trend

44h · 4 stations
PM2.525.44 µg/m³ ×1.7 WHO
Moderate
PM1041.15 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250
Station readings (4 stations within 25 km)
25.44
Median
23.6
Average
19.25
Low
27.8
High
PM2.5 µg/m³ · Model: 16.35 · Bias: -9.1

What is the 7-day forecast for Richland?

08-03
42.9° 19.1°
08-04
34.8° 20.4°
08-05
41.5° 21.6°
08-06
33.5° 21.7°
08-07
39.7° 20.4°
08-08
36.6° 12.4°
08-09
37.5° 16.1°
Both models agree Avg diff: 3.4°C

Where are air quality stations near Richland?

54
Kennewick-S Steptoe St
9.5 km PM2.5: 13.6 µg/m³
67
Metaline, Kennewick, Washington, USA
9.8 km PM2.5: 19.7 µg/m³
84
Metaline, Kennewick, Washington, USA
9.8 km PM2.5: 27.8 µg/m³
110
Pasco
14.1 km PM2.5: 39.1 µg/m³
53
Burbank-Maple St
23.2 km PM2.5: 13.2 µg/m³
25
Finley-S Finley Rd
24.0 km PM2.5: 6.1 µg/m³

What cities are near Richland?

82 Tri-Cities 79 Kennewick 76 Pasco 54 Hermiston 84 Sunnyside 103 Walla Walla 54 Pendleton 106 Moses Lake 81 Yakima 70 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 2026-08-07T23:57 UTC.