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)
22
Good
Walnut Park, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.47 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.85 μg/m³
0
55
155
255
425
605+
24.01 ppb
0
55
71
86
201
201+
0.20 ppb
0
36
76
186
605
1005+
7.41 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Walnut Park, California
Walnut Park, California
Scroll To Air Quality MapLoading...
AQI 23
Good
4.41μg/m³
PM2.5
18.66μg/m³
PM10
24.61ppb
O3
0.29ppb
SO2
7.84ppb
NO2
0.18ppm
CO
AQI 27
Good
4.64μg/m³
PM2.5
20.57μg/m³
PM10
25.13ppb
O3
0.29ppb
SO2
6.94ppb
NO2
0.17ppm
CO
AQI 23
Good
4.39μg/m³
PM2.5
18.59μg/m³
PM10
24.62ppb
O3
0.29ppb
SO2
8.07ppb
NO2
0.18ppm
CO
AQI 23
Good
4.43μg/m³
PM2.5
18.90μg/m³
PM10
24.70ppb
O3
0.29ppb
SO2
7.92ppb
NO2
0.18ppm
CO
AQI 27
Good
4.64μg/m³
PM2.5
20.57μg/m³
PM10
25.13ppb
O3
0.29ppb
SO2
6.94ppb
NO2
0.17ppm
CO
AQI 22
Good
4.27μg/m³
PM2.5
17.39μg/m³
PM10
24.16ppb
O3
0.28ppb
SO2
6.86ppb
NO2
0.17ppm
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 12:00:00 on 2025-07-23.
In the last 24 hrs, the best air quality in Walnut Park, California was observed at 12:00:00 on 2025-07-22.
The current air quality in Walnut Park, California is 23, categorized as Good based on real-time data.
The most common pollutant in Walnut Park, California is O3.
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 4.407 μg/m3.
The current PM10 concentration at Walnut Park, California is 18.66 μg/m3.
The current carbon monoxide (CO) concentration at Walnut Park, California is 0.177 ppm.
The current sulfur dioxide (SO2) concentration at Walnut Park, California is 0.289 ppb.
The current ozone (O3) concentration at Walnut Park, California is 24.607 ppm.
The current nitrogen dioxide (NO2) concentration at Walnut Park, California is 7.844 ppb.
All Rights Reserved © Ambee Inc. 2025