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
6.54 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.10 μg/m³
0
55
155
255
425
605+
20.67 ppb
0
55
71
86
201
201+
0.51 ppb
0
36
76
186
605
1005+
9.47 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Kennewick, Washington
Kennewick, Washington
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AQI 33
Good
6.27μg/m³
PM2.5
25.04μg/m³
PM10
20.66ppb
O3
0.48ppb
SO2
6.13ppb
NO2
0.14ppm
CO
AQI 33
Good
6.30μg/m³
PM2.5
24.72μg/m³
PM10
21.75ppb
O3
0.48ppb
SO2
5.34ppb
NO2
0.14ppm
CO
AQI 33
Good
6.20μg/m³
PM2.5
21.31μg/m³
PM10
13.99ppb
O3
0.47ppb
SO2
5.15ppb
NO2
0.14ppm
CO
AQI 25
Good
4.23μg/m³
PM2.5
19.08μg/m³
PM10
26.89ppb
O3
0.32ppb
SO2
5.12ppb
NO2
0.14ppm
CO
AQI 20
Good
2.77μg/m³
PM2.5
11.33μg/m³
PM10
22.48ppb
O3
0.29ppb
SO2
4.47ppb
NO2
0.14ppm
CO
AQI 33
Good
5.51μg/m³
PM2.5
24.12μg/m³
PM10
14.98ppb
O3
0.68ppb
SO2
7.33ppb
NO2
0.14ppm
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 03:00:00 on 2026-08-12.
In the last 24 hours, the best air quality in Kennewick, Washington was observed at 06:00:00 on 2026-08-12.
As of now, the AQI in Kennewick, Washington is 38, indicating Good conditions.
Kennewick, Washington air has the highest levels of PM2.5.
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 6.545 μg/m3.
The PM10 concentration in Kennewick, Washington is 26.102 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Kennewick, Washington is 0.159 ppm.
Currently, Kennewick, Washington has a sulfur dioxide (SO2) concentration of 0.508 ppb.
The current ozone (O3) level in Kennewick, Washington at the moment is 20.668 ppm.
Nitrogen dioxide (NO2) level in Kennewick, Washington at the moment is 9.473 ppb.
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