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)
58
Moderate
Richland, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
13.23 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
55.88 μg/m³
0
55
155
255
425
605+
17.80 ppb
0
55
71
86
201
201+
0.93 ppb
0
36
76
186
605
1005+
9.96 ppb
0
54
101
361
1250
2050+
0.34 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Richland, Washington
Richland, Washington
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AQI 58
Moderate
12.59μg/m³
PM2.5
64.02μg/m³
PM10
9.20ppb
O3
0.74ppb
SO2
8.68ppb
NO2
0.35ppm
CO
AQI 60
Moderate
14.14μg/m³
PM2.5
56.17μg/m³
PM10
10.08ppb
O3
0.74ppb
SO2
11.00ppb
NO2
0.35ppm
CO
AQI 60
Moderate
14.08μg/m³
PM2.5
54.86μg/m³
PM10
9.98ppb
O3
0.74ppb
SO2
11.08ppb
NO2
0.35ppm
CO
AQI 64
Moderate
16.24μg/m³
PM2.5
73.17μg/m³
PM10
9.03ppb
O3
0.69ppb
SO2
14.43ppb
NO2
0.36ppm
CO
AQI 62
Moderate
14.88μg/m³
PM2.5
66.80μg/m³
PM10
9.02ppb
O3
0.73ppb
SO2
14.36ppb
NO2
0.36ppm
CO
AQI 69
Moderate
19.44μg/m³
PM2.5
86.73μg/m³
PM10
9.13ppb
O3
0.69ppb
SO2
14.46ppb
NO2
0.35ppm
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 05:00:00, 2026-10-22.
The best air quality in Richland, Washington was observed at 08:00:00 on 2026-10-22.
The air quality in Richland, Washington right now is Moderate, with an AQI of 58.
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 13.231 μg/m3.
Richland, Washington currently has a PM10 concentration of 55.879 μg/m3.
The current carbon monoxide (CO) level in Richland, Washington is 0.337 ppm.
The current sulfur dioxide (SO2) concentration in Richland, Washington is 0.93 ppb.
Richland, Washington currently has an ozone (O3) concentration of 17.803 ppm.
The current level of nitrogen dioxide (NO2) in Richland, Washington is 9.961 ppb.
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