Stay updated with real-time air quality in Alhambra, 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)
62
Moderate
Alhambra, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
14.99 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
55.64 μg/m³
0
55
155
255
425
605+
55.09 ppb
0
55
71
86
201
201+
0.83 ppb
0
36
76
186
605
1005+
12.00 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Alhambra, California
Alhambra, California
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AQI 62
Moderate
14.71μg/m³
PM2.5
55.32μg/m³
PM10
54.73ppb
O3
0.83ppb
SO2
11.65ppb
NO2
0.31ppm
CO
AQI 62
Moderate
15.23μg/m³
PM2.5
53.18μg/m³
PM10
54.96ppb
O3
0.84ppb
SO2
13.06ppb
NO2
0.30ppm
CO
AQI 62
Moderate
15.00μg/m³
PM2.5
51.50μg/m³
PM10
55.63ppb
O3
0.84ppb
SO2
13.14ppb
NO2
0.30ppm
CO
AQI 62
Moderate
14.66μg/m³
PM2.5
61.58μg/m³
PM10
53.88ppb
O3
0.83ppb
SO2
9.88ppb
NO2
0.31ppm
CO
AQI 62
Moderate
14.67μg/m³
PM2.5
54.24μg/m³
PM10
54.82ppb
O3
0.83ppb
SO2
11.89ppb
NO2
0.31ppm
CO
AQI 60
Moderate
13.63μg/m³
PM2.5
56.78μg/m³
PM10
53.05ppb
O3
0.81ppb
SO2
9.60ppb
NO2
0.31ppm
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 Alhambra, California is updated every hour.
The worst air quality in Alhambra, California in the last 24 hours was observed at 08:00:00 on 2026-07-23.
In the last 24 hrs, the best air quality in Alhambra, California was observed at 04:00:00 on 2026-07-23.
The current air quality in Alhambra, California is 62, categorized as Moderate based on real-time data.
The most common pollutant in Alhambra, California is PM2.5.
If the air quality in Alhambra, California is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Alhambra, California is 14.992 μg/m3.
The current PM10 concentration at Alhambra, California is 55.636 μg/m3.
The current carbon monoxide (CO) concentration at Alhambra, California is 0.305 ppm.
The current sulfur dioxide (SO2) concentration at Alhambra, California is 0.835 ppb.
The current ozone (O3) concentration at Alhambra, California is 55.095 ppm.
The current nitrogen dioxide (NO2) concentration at Alhambra, California is 12.004 ppb.
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