Stay updated with real-time air quality in Alum Rock, 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)
27
Good
Alum Rock, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.55 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.00 μg/m³
0
55
155
255
425
605+
22.85 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
7.03 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Alum Rock, California
Alum Rock, California
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AQI 38
Good
7.12μg/m³
PM2.5
31.36μg/m³
PM10
23.93ppb
O3
0.42ppb
SO2
5.85ppb
NO2
0.23ppm
CO
AQI 33
Good
6.49μg/m³
PM2.5
28.46μg/m³
PM10
23.39ppb
O3
0.42ppb
SO2
6.13ppb
NO2
0.24ppm
CO
AQI 38
Good
6.83μg/m³
PM2.5
30.12μg/m³
PM10
22.91ppb
O3
0.42ppb
SO2
5.36ppb
NO2
0.23ppm
CO
AQI 38
Good
6.61μg/m³
PM2.5
29.21μg/m³
PM10
20.90ppb
O3
0.41ppb
SO2
5.02ppb
NO2
0.25ppm
CO
AQI 33
Good
6.10μg/m³
PM2.5
26.99μg/m³
PM10
19.31ppb
O3
0.40ppb
SO2
5.17ppb
NO2
0.28ppm
CO
AQI 33
Good
6.27μg/m³
PM2.5
27.71μg/m³
PM10
20.70ppb
O3
0.41ppb
SO2
4.60ppb
NO2
0.26ppm
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 Alum Rock, California is updated every hour.
The worst air quality in Alum Rock, California in the last 24 hours was observed at 02:00:00 on 2026-07-28.
In the last 24 hrs, the best air quality in Alum Rock, California was observed at 11:00:00 on 2026-07-27.
The current air quality in Alum Rock, California is 27, categorized as Good based on real-time data.
The most common pollutant in Alum Rock, California is PM2.5.
If the air quality in Alum Rock, California is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Alum Rock, California is 4.552 μg/m3.
The current PM10 concentration at Alum Rock, California is 20 μg/m3.
The current carbon monoxide (CO) concentration at Alum Rock, California is 0.276 ppm.
The current sulfur dioxide (SO2) concentration at Alum Rock, California is 0.405 ppb.
The current ozone (O3) concentration at Alum Rock, California is 22.851 ppm.
The current nitrogen dioxide (NO2) concentration at Alum Rock, California is 7.029 ppb.
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