Stay updated with real-time air quality in Renton, 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)
22
Good
Renton, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.26 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.92 μg/m³
0
55
155
255
425
605+
19.32 ppb
0
55
71
86
201
201+
0.48 ppb
0
36
76
186
605
1005+
5.21 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Renton, Washington
Renton, Washington
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AQI 22
Good
3.94μg/m³
PM2.5
16.65μg/m³
PM10
19.41ppb
O3
0.48ppb
SO2
4.96ppb
NO2
0.11ppm
CO
AQI 27
Good
4.90μg/m³
PM2.5
21.00μg/m³
PM10
19.06ppb
O3
0.48ppb
SO2
4.78ppb
NO2
0.11ppm
CO
AQI 22
Good
4.16μg/m³
PM2.5
18.77μg/m³
PM10
18.46ppb
O3
0.46ppb
SO2
6.27ppb
NO2
0.11ppm
CO
AQI 20
Good
3.40μg/m³
PM2.5
22.00μg/m³
PM10
18.51ppb
O3
0.46ppb
SO2
4.59ppb
NO2
0.12ppm
CO
AQI 17
Good
3.42μg/m³
PM2.5
17.61μg/m³
PM10
18.22ppb
O3
0.46ppb
SO2
4.32ppb
NO2
0.11ppm
CO
AQI 27
Good
4.65μg/m³
PM2.5
19.59μg/m³
PM10
19.05ppb
O3
0.47ppb
SO2
4.92ppb
NO2
0.11ppm
CO
Air quality measurements for Washington, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Renton, Washington is updated on an hourly basis.
The worst air quality in Renton, Washington was recorded at 03:00:00 on 2026-09-07.
The best air quality in Renton, Washington was recorded at 10:00:00 on 2026-09-07.
The real-time air quality index in Renton, Washington is 22, currently categorized as Good.
The most common pollutant in Renton, Washington is PM2.5.
If the air quality in Renton, Washington is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Renton, Washington at present are 4.258 μg/m3.
The current PM10 levels in Renton, Washington are 17.923 μg/m3.
The current carbon monoxide (CO) level in Renton, Washington is 0.109 ppm.
The current sulfur dioxide (SO2) levels in Renton, Washington are 0.477 ppb.
The current ozone (O3) levels at Renton, Washington is 19.324 ppm.
The current nitrogen dioxide (NO2) levels at Renton, Washington is 5.209 ppb.
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