Stay updated with real-time air quality in Willowbrook, California 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)
62
Moderate
Willowbrook, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
15.27 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
67.02 μg/m³
0
55
155
255
425
605+
4.89 ppb
0
55
71
86
201
201+
0.64 ppb
0
36
76
186
605
1005+
18.27 ppb
0
54
101
361
1250
2050+
1.74 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Willowbrook, California
Willowbrook, California
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AQI 56
Moderate
12.28μg/m³
PM2.5
54.45μg/m³
PM10
4.82ppb
O3
0.47ppb
SO2
15.94ppb
NO2
1.38ppm
CO
AQI 56
Moderate
12.22μg/m³
PM2.5
54.36μg/m³
PM10
4.79ppb
O3
0.47ppb
SO2
16.04ppb
NO2
1.37ppm
CO
AQI 56
Moderate
12.43μg/m³
PM2.5
51.95μg/m³
PM10
4.70ppb
O3
0.47ppb
SO2
17.07ppb
NO2
1.33ppm
CO
AQI 58
Moderate
12.58μg/m³
PM2.5
56.34μg/m³
PM10
4.97ppb
O3
0.47ppb
SO2
15.48ppb
NO2
1.40ppm
CO
AQI 56
Moderate
11.70μg/m³
PM2.5
50.66μg/m³
PM10
4.47ppb
O3
0.48ppb
SO2
16.95ppb
NO2
1.33ppm
CO
AQI 58
Moderate
13.46μg/m³
PM2.5
47.42μg/m³
PM10
4.64ppb
O3
0.46ppb
SO2
18.78ppb
NO2
1.25ppm
CO
Air quality measurements for California, 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 Willowbrook, California is updated on an hourly basis.
The worst air quality in Willowbrook, California was recorded at 08:00:00 on 2026-01-22.
The best air quality in Willowbrook, California was recorded at 07:00:00 on 2026-01-23.
The real-time air quality index in Willowbrook, California is 62, currently categorized as Moderate.
The most common pollutant in Willowbrook, California is PM2.5.
If the air quality in Willowbrook, California is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Willowbrook, California at present are 15.273 μg/m3.
The current PM10 levels in Willowbrook, California are 67.015 μg/m3.
The current carbon monoxide (CO) level in Willowbrook, California is 1.737 ppm.
The current sulfur dioxide (SO2) levels in Willowbrook, California are 0.638 ppb.
The current ozone (O3) levels at Willowbrook, California is 4.887 ppm.
The current nitrogen dioxide (NO2) levels at Willowbrook, California is 18.27 ppb.
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