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

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.44 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.58 μg/m³
0
55
155
255
425
605+
19.68 ppb
0
55
71
86
201
201+
0.38 ppb
0
36
76
186
605
1005+
7.63 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Ridgefield, Washington
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AQI 49
Good
8.56μg/m³
PM2.5
37.91μg/m³
PM10
15.40ppb
O3
0.34ppb
SO2
5.98ppb
NO2
0.11ppm
CO
AQI 44
Good
8.39μg/m³
PM2.5
37.01μg/m³
PM10
16.20ppb
O3
0.34ppb
SO2
6.02ppb
NO2
0.12ppm
CO
AQI 44
Good
8.33μg/m³
PM2.5
36.78μg/m³
PM10
14.71ppb
O3
0.34ppb
SO2
5.76ppb
NO2
0.11ppm
CO
AQI 44
Good
8.38μg/m³
PM2.5
37.17μg/m³
PM10
15.36ppb
O3
0.34ppb
SO2
5.89ppb
NO2
0.11ppm
CO
AQI 44
Good
8.20μg/m³
PM2.5
33.33μg/m³
PM10
24.97ppb
O3
0.33ppb
SO2
5.71ppb
NO2
0.11ppm
CO
AQI 44
Good
8.32μg/m³
PM2.5
36.91μg/m³
PM10
15.23ppb
O3
0.34ppb
SO2
5.88ppb
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 Ridgefield, Washington is updated on an hourly basis.
The worst air quality in Ridgefield, Washington was recorded at 08:00:00 on 2025-10-24.
The best air quality in Ridgefield, Washington was recorded at 12:00:00 on 2025-10-24.
The real-time air quality index in Ridgefield, Washington is 44, currently categorized as Good.
The most common pollutant in Ridgefield, Washington is PM2.5.
If the air quality in Ridgefield, Washington is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Ridgefield, Washington at present are 8.304 μg/m3.
The current PM10 levels in Ridgefield, Washington are 36.657 μg/m3.
The current carbon monoxide (CO) level in Ridgefield, Washington is 0.114 ppm.
The current sulfur dioxide (SO2) levels in Ridgefield, Washington are 0.337 ppb.
The current ozone (O3) levels at Ridgefield, Washington is 16.17 ppm.
The current nitrogen dioxide (NO2) levels at Ridgefield, Washington is 5.868 ppb.
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