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
3.61 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.98 μg/m³
0
55
155
255
425
605+
20.42 ppb
0
55
71
86
201
201+
0.22 ppb
0
36
76
186
605
1005+
10.11 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Renton, Washington
Renton, Washington
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AQI 26
Good
2.12μg/m³
PM2.5
7.71μg/m³
PM10
28.40ppb
O3
0.35ppb
SO2
5.52ppb
NO2
0.10ppm
CO
AQI 26
Good
1.00μg/m³
PM2.5
4.00μg/m³
PM10
28.42ppb
O3
0.35ppb
SO2
5.62ppb
NO2
0.10ppm
CO
AQI 26
Good
1.45μg/m³
PM2.5
5.84μg/m³
PM10
28.33ppb
O3
0.34ppb
SO2
6.10ppb
NO2
0.11ppm
CO
AQI 24
Good
1.68μg/m³
PM2.5
6.70μg/m³
PM10
26.05ppb
O3
0.34ppb
SO2
5.01ppb
NO2
0.10ppm
CO
AQI 23
Good
1.47μg/m³
PM2.5
6.04μg/m³
PM10
24.55ppb
O3
0.34ppb
SO2
5.16ppb
NO2
0.11ppm
CO
AQI 26
Good
1.61μg/m³
PM2.5
6.04μg/m³
PM10
28.38ppb
O3
0.35ppb
SO2
5.62ppb
NO2
0.10ppm
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 12:00:00 on 2025-10-24.
The best air quality in Renton, Washington was recorded at 09:00:00 on 2025-10-24.
The real-time air quality index in Renton, Washington is 26, currently categorized as Good.
The most common pollutant in Renton, Washington is O3.
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 2.189 μg/m3.
The current PM10 levels in Renton, Washington are 7.771 μg/m3.
The current carbon monoxide (CO) level in Renton, Washington is 0.104 ppm.
The current sulfur dioxide (SO2) levels in Renton, Washington are 0.352 ppb.
The current ozone (O3) levels at Renton, Washington is 28.353 ppm.
The current nitrogen dioxide (NO2) levels at Renton, Washington is 5.574 ppb.
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