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)
38
Good
Alhambra, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.69 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.12 μg/m³
0
55
155
255
425
605+
32.97 ppb
0
55
71
86
201
201+
0.35 ppb
0
36
76
186
605
1005+
4.76 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Alhambra, California
Alhambra, California
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AQI 44
Good
7.93μg/m³
PM2.5
26.91μg/m³
PM10
29.77ppb
O3
0.15ppb
SO2
10.32ppb
NO2
0.20ppm
CO
AQI 44
Good
7.91μg/m³
PM2.5
27.17μg/m³
PM10
31.06ppb
O3
0.15ppb
SO2
9.88ppb
NO2
0.20ppm
CO
AQI 44
Good
7.89μg/m³
PM2.5
27.63μg/m³
PM10
31.38ppb
O3
0.15ppb
SO2
9.66ppb
NO2
0.20ppm
CO
AQI 44
Good
8.01μg/m³
PM2.5
25.70μg/m³
PM10
27.08ppb
O3
0.15ppb
SO2
11.44ppb
NO2
0.21ppm
CO
AQI 44
Good
7.89μg/m³
PM2.5
26.76μg/m³
PM10
30.34ppb
O3
0.15ppb
SO2
10.15ppb
NO2
0.21ppm
CO
AQI 44
Good
8.03μg/m³
PM2.5
26.07μg/m³
PM10
26.30ppb
O3
0.15ppb
SO2
11.70ppb
NO2
0.20ppm
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 07:00:00 on 2025-07-22.
In the last 24 hrs, the best air quality in Alhambra, California was observed at 05:00:00 on 2025-07-22.
The current air quality in Alhambra, California is 44, categorized as Good 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 7.921 μg/m3.
The current PM10 concentration at Alhambra, California is 26.895 μg/m3.
The current carbon monoxide (CO) concentration at Alhambra, California is 0.205 ppm.
The current sulfur dioxide (SO2) concentration at Alhambra, California is 0.151 ppb.
The current ozone (O3) concentration at Alhambra, California is 30.236 ppm.
The current nitrogen dioxide (NO2) concentration at Alhambra, California is 10.182 ppb.
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