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)
52
Moderate
Walnut Park, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
10.29 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
44.91 μg/m³
0
55
155
255
425
605+
29.00 ppb
0
55
71
86
201
201+
0.40 ppb
0
36
76
186
605
1005+
3.49 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Walnut Park, California
Walnut Park, California
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AQI 33
Good
6.35μg/m³
PM2.5
26.65μg/m³
PM10
36.47ppb
O3
0.33ppb
SO2
8.27ppb
NO2
0.13ppm
CO
AQI 33
Good
6.26μg/m³
PM2.5
27.72μg/m³
PM10
35.60ppb
O3
0.33ppb
SO2
7.44ppb
NO2
0.11ppm
CO
AQI 34
Good
6.34μg/m³
PM2.5
26.55μg/m³
PM10
36.51ppb
O3
0.33ppb
SO2
8.54ppb
NO2
0.13ppm
CO
AQI 33
Good
6.32μg/m³
PM2.5
26.73μg/m³
PM10
36.37ppb
O3
0.33ppb
SO2
8.41ppb
NO2
0.13ppm
CO
AQI 33
Good
6.26μg/m³
PM2.5
27.72μg/m³
PM10
35.60ppb
O3
0.33ppb
SO2
7.44ppb
NO2
0.11ppm
CO
AQI 35
Good
6.50μg/m³
PM2.5
25.27μg/m³
PM10
38.29ppb
O3
0.31ppb
SO2
6.76ppb
NO2
0.14ppm
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 04:00:00 on 2025-09-10.
In the last 24 hrs, the best air quality in Walnut Park, California was observed at 06:00:00 on 2025-09-10.
The current air quality in Walnut Park, California is 52, categorized as Moderate 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 10.291 μg/m3.
The current PM10 concentration at Walnut Park, California is 44.914 μg/m3.
The current carbon monoxide (CO) concentration at Walnut Park, California is 0.14 ppm.
The current sulfur dioxide (SO2) concentration at Walnut Park, California is 0.398 ppb.
The current ozone (O3) concentration at Walnut Park, California is 28.995 ppm.
The current nitrogen dioxide (NO2) concentration at Walnut Park, California is 3.494 ppb.
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