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)
38
Good
Azusa, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.59 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.95 μg/m³
0
55
155
255
425
605+
41.28 ppb
0
55
71
86
201
201+
0.43 ppb
0
36
76
186
605
1005+
6.78 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Azusa, California
Azusa, California
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AQI 49
Good
7.66μg/m³
PM2.5
31.38μg/m³
PM10
53.05ppb
O3
0.44ppb
SO2
7.50ppb
NO2
0.19ppm
CO
AQI 51
Moderate
8.16μg/m³
PM2.5
33.84μg/m³
PM10
54.87ppb
O3
0.44ppb
SO2
8.00ppb
NO2
0.20ppm
CO
AQI 48
Good
7.31μg/m³
PM2.5
29.66μg/m³
PM10
51.84ppb
O3
0.44ppb
SO2
7.21ppb
NO2
0.19ppm
CO
AQI 48
Good
7.43μg/m³
PM2.5
30.42μg/m³
PM10
52.43ppb
O3
0.44ppb
SO2
7.29ppb
NO2
0.19ppm
CO
AQI 48
Good
4.47μg/m³
PM2.5
20.81μg/m³
PM10
52.50ppb
O3
0.44ppb
SO2
6.83ppb
NO2
0.18ppm
CO
AQI 43
Good
4.55μg/m³
PM2.5
20.80μg/m³
PM10
45.81ppb
O3
0.45ppb
SO2
5.67ppb
NO2
0.18ppm
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 12:00:00, 2025-07-24.
The best air quality in Azusa, California was observed at 06:00:00 on 2025-07-24.
The air quality in Azusa, California right now is Good, with an AQI of 49.
In Azusa, California, O3 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 7.655 μg/m3.
Azusa, California currently has a PM10 concentration of 31.38 μg/m3.
The current carbon monoxide (CO) level in Azusa, California is 0.194 ppm.
The current sulfur dioxide (SO2) concentration in Azusa, California is 0.438 ppb.
Azusa, California currently has an ozone (O3) concentration of 53.054 ppm.
The current level of nitrogen dioxide (NO2) in Azusa, California is 7.501 ppb.
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