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)
44
Good
Alum Rock, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.44 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
28.43 μg/m³
0
55
155
255
425
605+
46.67 ppb
0
55
71
86
201
201+
0.59 ppb
0
36
76
186
605
1005+
9.61 ppb
0
54
101
361
1250
2050+
0.35 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Alum Rock, California
Alum Rock, California
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AQI 45
Good
4.12μg/m³
PM2.5
17.53μg/m³
PM10
48.87ppb
O3
0.52ppb
SO2
6.16ppb
NO2
0.25ppm
CO
AQI 44
Good
5.16μg/m³
PM2.5
21.70μg/m³
PM10
47.36ppb
O3
0.50ppb
SO2
6.87ppb
NO2
0.28ppm
CO
AQI 44
Good
4.76μg/m³
PM2.5
19.70μg/m³
PM10
46.94ppb
O3
0.51ppb
SO2
5.89ppb
NO2
0.26ppm
CO
AQI 41
Good
6.22μg/m³
PM2.5
24.96μg/m³
PM10
44.06ppb
O3
0.52ppb
SO2
6.16ppb
NO2
0.28ppm
CO
AQI 44
Good
7.76μg/m³
PM2.5
30.29μg/m³
PM10
30.18ppb
O3
0.51ppb
SO2
6.21ppb
NO2
0.29ppm
CO
AQI 39
Good
6.12μg/m³
PM2.5
24.68μg/m³
PM10
41.94ppb
O3
0.51ppb
SO2
5.72ppb
NO2
0.28ppm
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 09:00:00 on 2026-04-24.
In the last 24 hrs, the best air quality in Alum Rock, California was observed at 01:00:00 on 2026-04-25.
The current air quality in Alum Rock, California is 44, categorized as Good based on real-time data.
The most common pollutant in Alum Rock, California is O3.
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 6.438 μg/m3.
The current PM10 concentration at Alum Rock, California is 28.428 μg/m3.
The current carbon monoxide (CO) concentration at Alum Rock, California is 0.348 ppm.
The current sulfur dioxide (SO2) concentration at Alum Rock, California is 0.595 ppb.
The current ozone (O3) concentration at Alum Rock, California is 46.667 ppm.
The current nitrogen dioxide (NO2) concentration at Alum Rock, California is 9.612 ppb.
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