Stay updated with real-time air quality in West Richland, Washington featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
53
Moderate
West Richland, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.78 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
59.46 μg/m³
0
55
155
255
425
605+
35.90 ppb
0
55
71
86
201
201+
1.12 ppb
0
36
76
186
605
1005+
2.67 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
West Richland, Washington
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AQI 112
Unhealthy for sensitive groups
2.41μg/m³
PM2.5
177.30μg/m³
PM10
35.70ppb
O3
1.14ppb
SO2
2.69ppb
NO2
0.10ppm
CO
AQI 81
Moderate
4.04μg/m³
PM2.5
115.34μg/m³
PM10
35.78ppb
O3
1.15ppb
SO2
2.63ppb
NO2
0.10ppm
CO
AQI 79
Moderate
4.11μg/m³
PM2.5
111.01μg/m³
PM10
35.77ppb
O3
1.16ppb
SO2
2.63ppb
NO2
0.10ppm
CO
AQI 31
Good
3.60μg/m³
PM2.5
15.54μg/m³
PM10
34.35ppb
O3
1.00ppb
SO2
2.99ppb
NO2
0.10ppm
CO
AQI 33
Good
5.82μg/m³
PM2.5
26.59μg/m³
PM10
34.19ppb
O3
1.00ppb
SO2
3.00ppb
NO2
0.10ppm
CO
AQI 33
Good
2.80μg/m³
PM2.5
13.19μg/m³
PM10
35.77ppb
O3
1.10ppb
SO2
2.97ppb
NO2
0.10ppm
CO
Air quality data and pollutant measurements for Washington, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for West Richland, Washington is updated every hour.
The worst air quality in West Richland, Washington in the last 24 hours was observed at 10:00:00 on 2026-03-12.
In the last 24 hrs, the best air quality in West Richland, Washington was observed at 04:00:00 on 2026-03-12.
The current air quality in West Richland, Washington is 53, categorized as Moderate based on real-time data.
The most common pollutant in West Richland, Washington is PM10.
If the air quality in West Richland, Washington is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at West Richland, Washington is 3.783 μg/m3.
The current PM10 concentration at West Richland, Washington is 59.464 μg/m3.
The current carbon monoxide (CO) concentration at West Richland, Washington is 0.1 ppm.
The current sulfur dioxide (SO2) concentration at West Richland, Washington is 1.116 ppb.
The current ozone (O3) concentration at West Richland, Washington is 35.895 ppm.
The current nitrogen dioxide (NO2) concentration at West Richland, Washington is 2.672 ppb.
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