Stay updated with real-time air quality in Kennewick, 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)
38
Good
Kennewick, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.23 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.08 μg/m³
0
55
155
255
425
605+
40.56 ppb
0
55
71
86
201
201+
0.14 ppb
0
36
76
186
605
1005+
6.60 ppb
0
54
101
361
1250
2050+
0.61 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Kennewick, Washington
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AQI 38
Good
2.03μg/m³
PM2.5
17.73μg/m³
PM10
40.52ppb
O3
0.20ppb
SO2
6.58ppb
NO2
0.59ppm
CO
AQI 37
Good
2.12μg/m³
PM2.5
24.57μg/m³
PM10
40.35ppb
O3
0.20ppb
SO2
6.55ppb
NO2
0.56ppm
CO
AQI 37
Good
2.08μg/m³
PM2.5
24.09μg/m³
PM10
40.44ppb
O3
0.20ppb
SO2
6.80ppb
NO2
0.58ppm
CO
AQI 33
Good
2.59μg/m³
PM2.5
11.07μg/m³
PM10
36.40ppb
O3
0.20ppb
SO2
6.88ppb
NO2
0.55ppm
CO
AQI 37
Good
2.27μg/m³
PM2.5
9.31μg/m³
PM10
39.55ppb
O3
0.19ppb
SO2
7.57ppb
NO2
0.20ppm
CO
AQI 39
Good
1.80μg/m³
PM2.5
8.01μg/m³
PM10
42.06ppb
O3
0.21ppb
SO2
2.65ppb
NO2
0.62ppm
CO
Air quality and pollutant data for Washington, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Kennewick, Washington is updated every hour for accuracy.
In the past 24 hours, the air quality in Kennewick, Washington was at its worst at 10:00:00 on 2026-03-08.
In the last 24 hours, the best air quality in Kennewick, Washington was observed at 12:00:00 on 2026-03-09.
As of now, the AQI in Kennewick, Washington is 38, indicating Good conditions.
Kennewick, Washington air has the highest levels of O3.
Poor air quality in Kennewick, Washington means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Kennewick, Washington are currently 3.228 μg/m3.
The PM10 concentration in Kennewick, Washington is 13.077 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Kennewick, Washington is 0.608 ppm.
Currently, Kennewick, Washington has a sulfur dioxide (SO2) concentration of 0.144 ppb.
The current ozone (O3) level in Kennewick, Washington at the moment is 40.562 ppm.
Nitrogen dioxide (NO2) level in Kennewick, Washington at the moment is 6.598 ppb.
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