Stay updated with real-time air quality in Walnut Park, 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)
38
Good
Walnut Park, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.29 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
31.75 μg/m³
0
55
155
255
425
605+
4.44 ppb
0
55
71
86
201
201+
0.19 ppb
0
36
76
186
605
1005+
30.67 ppb
0
54
101
361
1250
2050+
0.48 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Walnut Park, California
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AQI 38
Good
7.29μg/m³
PM2.5
31.75μg/m³
PM10
4.44ppb
O3
0.19ppb
SO2
30.67ppb
NO2
0.48ppm
CO
AQI 44
Good
8.05μg/m³
PM2.5
35.22μg/m³
PM10
3.01ppb
O3
0.18ppb
SO2
32.25ppb
NO2
0.55ppm
CO
AQI 38
Good
7.21μg/m³
PM2.5
31.30μg/m³
PM10
4.53ppb
O3
0.18ppb
SO2
30.84ppb
NO2
0.48ppm
CO
AQI 38
Good
7.50μg/m³
PM2.5
32.66μg/m³
PM10
4.33ppb
O3
0.19ppb
SO2
30.36ppb
NO2
0.48ppm
CO
AQI 44
Good
8.05μg/m³
PM2.5
35.22μg/m³
PM10
3.01ppb
O3
0.18ppb
SO2
32.25ppb
NO2
0.55ppm
CO
AQI 38
Good
7.34μg/m³
PM2.5
32.94μg/m³
PM10
5.09ppb
O3
0.21ppb
SO2
27.09ppb
NO2
0.43ppm
CO
Air quality data and pollutant measurements for California, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Walnut Park, California is updated every hour.
The worst air quality in Walnut Park, California in the last 24 hours was observed at 03:00:00 on 2026-03-05.
In the last 24 hrs, the best air quality in Walnut Park, California was observed at 08:00:00 on 2026-03-06.
The current air quality in Walnut Park, California is 38, categorized as Good based on real-time data.
The most common pollutant in Walnut Park, California is PM2.5.
If the air quality in Walnut Park, California is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Walnut Park, California is 7.287 μg/m3.
The current PM10 concentration at Walnut Park, California is 31.755 μg/m3.
The current carbon monoxide (CO) concentration at Walnut Park, California is 0.479 ppm.
The current sulfur dioxide (SO2) concentration at Walnut Park, California is 0.187 ppb.
The current ozone (O3) concentration at Walnut Park, California is 4.444 ppm.
The current nitrogen dioxide (NO2) concentration at Walnut Park, California is 30.67 ppb.
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