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

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.14 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.20 μg/m³
0
55
155
255
425
605+
31.27 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
3.13 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Azusa, California
Azusa, California
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AQI 44
Good
8.14μg/m³
PM2.5
24.20μg/m³
PM10
31.27ppb
O3
0.41ppb
SO2
3.13ppb
NO2
0.18ppm
CO
AQI 44
Good
7.65μg/m³
PM2.5
19.38μg/m³
PM10
30.08ppb
O3
0.40ppb
SO2
2.92ppb
NO2
0.19ppm
CO
AQI 44
Good
8.47μg/m³
PM2.5
27.70μg/m³
PM10
32.08ppb
O3
0.42ppb
SO2
3.37ppb
NO2
0.18ppm
CO
AQI 44
Good
8.29μg/m³
PM2.5
26.26μg/m³
PM10
31.74ppb
O3
0.42ppb
SO2
3.30ppb
NO2
0.18ppm
CO
AQI 44
Good
8.32μg/m³
PM2.5
31.95μg/m³
PM10
35.61ppb
O3
0.46ppb
SO2
10.27ppb
NO2
0.17ppm
CO
AQI 44
Good
8.34μg/m³
PM2.5
25.72μg/m³
PM10
35.63ppb
O3
0.46ppb
SO2
4.40ppb
NO2
0.17ppm
CO
The air quality data for California, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Azusa, California are available every hour.
Azusa, California experienced its worst air quality at 10:00:00, 2026-06-07.
The best air quality in Azusa, California was observed at 03:00:00 on 2026-06-08.
The air quality in Azusa, California right now is Good, with an AQI of 44.
In Azusa, California, PM2.5 is the most frequently found pollutant.
When air quality in Azusa, California is compromised, staying indoors and wearing a mask can reduce health risks.
Azusa, California currently has a PM2.5 concentration of 8.144 μg/m3.
Azusa, California currently has a PM10 concentration of 24.197 μg/m3.
The current carbon monoxide (CO) level in Azusa, California is 0.183 ppm.
The current sulfur dioxide (SO2) concentration in Azusa, California is 0.415 ppb.
Azusa, California currently has an ozone (O3) concentration of 31.271 ppm.
The current level of nitrogen dioxide (NO2) in Azusa, California is 3.13 ppb.
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