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

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.91 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
28.81 μg/m³
0
55
155
255
425
605+
26.73 ppb
0
55
71
86
201
201+
0.66 ppb
0
36
76
186
605
1005+
18.25 ppb
0
54
101
361
1250
2050+
0.65 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Arizona, USA
Arizona, USA
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 31
Good
2.87μg/m³
PM2.5
12.22μg/m³
PM10
34.33ppb
O3
0.34ppb
SO2
2.77ppb
NO2
0.16ppm
CO
AQI 22
Good
4.42μg/m³
PM2.5
18.91μg/m³
PM10
23.11ppb
O3
0.35ppb
SO2
7.87ppb
NO2
0.21ppm
CO
AQI 29
Good
5.31μg/m³
PM2.5
17.01μg/m³
PM10
31.15ppb
O3
0.47ppb
SO2
6.17ppb
NO2
0.26ppm
CO
AQI 34
Good
0.69μg/m³
PM2.5
3.40μg/m³
PM10
37.37ppb
O3
0.41ppb
SO2
1.62ppb
NO2
0.17ppm
CO
AQI 34
Good
1.91μg/m³
PM2.5
8.20μg/m³
PM10
37.07ppb
O3
0.35ppb
SO2
7.09ppb
NO2
0.23ppm
CO
AQI 54
Moderate
11.13μg/m³
PM2.5
37.30μg/m³
PM10
26.26ppb
O3
0.60ppb
SO2
9.59ppb
NO2
0.32ppm
CO
Air quality measurements for Arizona, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Arizona, USA is updated on an hourly basis.
The worst air quality in Arizona, USA was recorded at 09:00:00 on 2025-12-06.
The best air quality in Arizona, USA was recorded at 09:00:00 on 2025-12-06.
The real-time air quality index in Arizona, USA is 31, currently categorized as Good.
The most common pollutant in Arizona, USA is O3.
If the air quality in Arizona, USA is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Arizona, USA at present are 4.223 μg/m3.
The current PM10 levels in Arizona, USA are 17.863 μg/m3.
The current carbon monoxide (CO) level in Arizona, USA is 0.4 ppm.
The current sulfur dioxide (SO2) levels in Arizona, USA are 0.519 ppb.
The current ozone (O3) levels at Arizona, USA is 34.12 ppm.
The current nitrogen dioxide (NO2) levels at Arizona, USA is 11.418 ppb.
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