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)
99
Moderate
Richland, Washington
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
35.46 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
127.16 μg/m³
0
55
155
255
425
605+
41.50 ppb
0
55
71
86
201
201+
4.22 ppb
0
36
76
186
605
1005+
9.30 ppb
0
54
101
361
1250
2050+
0.37 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Richland, Washington
Richland, Washington
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AQI 122
Unhealthy for sensitive groups
44.45μg/m³
PM2.5
151.14μg/m³
PM10
42.18ppb
O3
4.20ppb
SO2
8.88ppb
NO2
0.37ppm
CO
AQI 90
Moderate
30.48μg/m³
PM2.5
107.46μg/m³
PM10
39.88ppb
O3
4.14ppb
SO2
8.60ppb
NO2
0.35ppm
CO
AQI 90
Moderate
30.24μg/m³
PM2.5
107.40μg/m³
PM10
39.71ppb
O3
4.14ppb
SO2
8.57ppb
NO2
0.35ppm
CO
AQI 119
Unhealthy for sensitive groups
42.66μg/m³
PM2.5
189.18μg/m³
PM10
27.78ppb
O3
3.90ppb
SO2
10.09ppb
NO2
0.28ppm
CO
AQI 99
Moderate
35.02μg/m³
PM2.5
150.32μg/m³
PM10
43.96ppb
O3
4.12ppb
SO2
9.28ppb
NO2
0.26ppm
CO
AQI 122
Unhealthy for sensitive groups
44.00μg/m³
PM2.5
196.92μg/m³
PM10
18.29ppb
O3
4.01ppb
SO2
10.11ppb
NO2
0.28ppm
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 06:00:00, 2025-09-04.
The best air quality in Richland, Washington was observed at 01:00:00 on 2025-09-04.
The air quality in Richland, Washington right now is Moderate, with an AQI of 79.
In Richland, Washington, PM10 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 21.546 μg/m3.
Richland, Washington currently has a PM10 concentration of 112.066 μg/m3.
The current carbon monoxide (CO) level in Richland, Washington is 0.218 ppm.
The current sulfur dioxide (SO2) concentration in Richland, Washington is 3.005 ppb.
Richland, Washington currently has an ozone (O3) concentration of 30.19 ppm.
The current level of nitrogen dioxide (NO2) in Richland, Washington is 8.853 ppb.
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