Stay updated with real-time air quality in San Gabriel, 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
San Gabriel, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.21 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
34.93 μg/m³
0
55
155
255
425
605+
44.81 ppb
0
55
71
86
201
201+
0.99 ppb
0
36
76
186
605
1005+
10.54 ppb
0
54
101
361
1250
2050+
0.34 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
San Gabriel, California
San Gabriel, California
Scroll To Air Quality MapLoading...
AQI 52
Moderate
10.43μg/m³
PM2.5
27.15μg/m³
PM10
36.28ppb
O3
0.84ppb
SO2
9.52ppb
NO2
0.26ppm
CO
AQI 49
Good
8.58μg/m³
PM2.5
21.74μg/m³
PM10
38.72ppb
O3
0.89ppb
SO2
7.87ppb
NO2
0.22ppm
CO
AQI 67
Moderate
17.65μg/m³
PM2.5
46.05μg/m³
PM10
29.91ppb
O3
0.82ppb
SO2
13.21ppb
NO2
0.33ppm
CO
AQI 54
Moderate
10.98μg/m³
PM2.5
27.52μg/m³
PM10
36.26ppb
O3
0.86ppb
SO2
9.44ppb
NO2
0.25ppm
CO
AQI 64
Moderate
16.25μg/m³
PM2.5
43.82μg/m³
PM10
30.22ppb
O3
0.77ppb
SO2
13.44ppb
NO2
0.35ppm
CO
AQI 64
Moderate
15.85μg/m³
PM2.5
40.39μg/m³
PM10
31.61ppb
O3
0.83ppb
SO2
12.44ppb
NO2
0.32ppm
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 San Gabriel, California is updated every hour.
The worst air quality in San Gabriel, California in the last 24 hours was observed at 01:00:00 on 2025-12-07.
In the last 24 hrs, the best air quality in San Gabriel, California was observed at 07:00:00 on 2025-12-07.
The current air quality in San Gabriel, California is 54, categorized as Moderate based on real-time data.
The most common pollutant in San Gabriel, California is PM2.5.
If the air quality in San Gabriel, California is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at San Gabriel, California is 11.442 μg/m3.
The current PM10 concentration at San Gabriel, California is 29.982 μg/m3.
The current carbon monoxide (CO) concentration at San Gabriel, California is 0.267 ppm.
The current sulfur dioxide (SO2) concentration at San Gabriel, California is 0.847 ppb.
The current ozone (O3) concentration at San Gabriel, California is 35.548 ppm.
The current nitrogen dioxide (NO2) concentration at San Gabriel, California is 9.944 ppb.
All Rights Reserved © Ambee Inc. 2025