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)
44
Good
West Richland, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.24 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
27.32 μg/m³
0
55
155
255
425
605+
27.44 ppb
0
55
71
86
201
201+
1.61 ppb
0
36
76
186
605
1005+
13.45 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
West Richland, Washington
West Richland, Washington
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AQI 27
Good
5.05μg/m³
PM2.5
17.49μg/m³
PM10
12.05ppb
O3
0.24ppb
SO2
8.64ppb
NO2
0.18ppm
CO
AQI 22
Good
4.23μg/m³
PM2.5
16.03μg/m³
PM10
12.30ppb
O3
0.24ppb
SO2
9.66ppb
NO2
0.18ppm
CO
AQI 22
Good
4.19μg/m³
PM2.5
16.01μg/m³
PM10
12.32ppb
O3
0.24ppb
SO2
9.71ppb
NO2
0.18ppm
CO
AQI 54
Moderate
11.27μg/m³
PM2.5
50.57μg/m³
PM10
12.20ppb
O3
0.20ppb
SO2
8.93ppb
NO2
0.16ppm
CO
AQI 62
Moderate
15.17μg/m³
PM2.5
68.42μg/m³
PM10
10.87ppb
O3
0.19ppb
SO2
8.20ppb
NO2
0.16ppm
CO
AQI 33
Good
6.48μg/m³
PM2.5
28.86μg/m³
PM10
10.47ppb
O3
0.24ppb
SO2
10.60ppb
NO2
0.18ppm
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 12:00:00 on 2025-10-24.
In the last 24 hrs, the best air quality in West Richland, Washington was observed at 03:00:00 on 2025-10-24.
The current air quality in West Richland, Washington is 38, categorized as Good based on real-time data.
The most common pollutant in West Richland, Washington is PM2.5.
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 7.306 μg/m3.
The current PM10 concentration at West Richland, Washington is 30.04 μg/m3.
The current carbon monoxide (CO) concentration at West Richland, Washington is 0.16 ppm.
The current sulfur dioxide (SO2) concentration at West Richland, Washington is 0.351 ppb.
The current ozone (O3) concentration at West Richland, Washington is 13.686 ppm.
The current nitrogen dioxide (NO2) concentration at West Richland, Washington is 7.081 ppb.
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