Stay updated with real-time air quality in 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)
54
Moderate
Richland, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.29 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
38.48 μg/m³
0
55
155
255
425
605+
32.74 ppb
0
55
71
86
201
201+
1.68 ppb
0
36
76
186
605
1005+
12.98 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Richland, Washington
Richland, Washington
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AQI 49
Good
9.26μg/m³
PM2.5
44.88μg/m³
PM10
22.23ppb
O3
3.90ppb
SO2
12.12ppb
NO2
0.20ppm
CO
AQI 49
Good
9.28μg/m³
PM2.5
38.15μg/m³
PM10
25.73ppb
O3
4.00ppb
SO2
12.23ppb
NO2
0.20ppm
CO
AQI 49
Good
9.21μg/m³
PM2.5
38.04μg/m³
PM10
25.77ppb
O3
4.00ppb
SO2
12.24ppb
NO2
0.20ppm
CO
AQI 54
Moderate
10.69μg/m³
PM2.5
47.92μg/m³
PM10
27.13ppb
O3
3.35ppb
SO2
12.16ppb
NO2
0.20ppm
CO
AQI 64
Moderate
15.99μg/m³
PM2.5
70.49μg/m³
PM10
25.04ppb
O3
3.86ppb
SO2
13.26ppb
NO2
0.20ppm
CO
AQI 52
Moderate
10.07μg/m³
PM2.5
45.32μg/m³
PM10
25.36ppb
O3
3.48ppb
SO2
11.82ppb
NO2
0.20ppm
CO
The air quality data for Washington, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Richland, Washington are available every hour.
Richland, Washington experienced its worst air quality at 12:00:00, 2025-10-25.
The best air quality in Richland, Washington was observed at 03:00:00 on 2025-10-24.
The air quality in Richland, Washington right now is Moderate, with an AQI of 52.
In Richland, Washington, PM2.5 is the most frequently found pollutant.
When air quality in Richland, Washington is compromised, staying indoors and wearing a mask can reduce health risks.
Richland, Washington currently has a PM2.5 concentration of 9.906 μg/m3.
Richland, Washington currently has a PM10 concentration of 38.217 μg/m3.
The current carbon monoxide (CO) level in Richland, Washington is 0.2 ppm.
The current sulfur dioxide (SO2) concentration in Richland, Washington is 3.957 ppb.
Richland, Washington currently has an ozone (O3) concentration of 24.625 ppm.
The current level of nitrogen dioxide (NO2) in Richland, Washington is 12.329 ppb.
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