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
7.42 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
32.98 μg/m³
0
55
155
255
425
605+
33.03 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
20.54 ppb
0
54
101
361
1250
2050+
0.53 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 44
Good
7.57μg/m³
PM2.5
36.48μg/m³
PM10
27.77ppb
O3
0.33ppb
SO2
18.55ppb
NO2
0.55ppm
CO
AQI 27
Good
2.42μg/m³
PM2.5
11.51μg/m³
PM10
28.51ppb
O3
0.43ppb
SO2
2.28ppb
NO2
0.17ppm
CO
AQI 52
Moderate
10.49μg/m³
PM2.5
37.10μg/m³
PM10
18.86ppb
O3
0.42ppb
SO2
23.35ppb
NO2
0.40ppm
CO
AQI 60
Moderate
14.28μg/m³
PM2.5
54.52μg/m³
PM10
15.21ppb
O3
0.85ppb
SO2
27.07ppb
NO2
0.31ppm
CO
AQI 31
Good
4.47μg/m³
PM2.5
23.71μg/m³
PM10
32.56ppb
O3
0.63ppb
SO2
13.17ppb
NO2
0.23ppm
CO
AQI 60
Moderate
14.19μg/m³
PM2.5
43.02μg/m³
PM10
21.25ppb
O3
0.62ppb
SO2
16.62ppb
NO2
0.45ppm
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 05:00:00 on 2026-01-22.
The best air quality in Arizona, USA was recorded at 11:00:00 on 2026-01-22.
The real-time air quality index in Arizona, USA is 38, currently categorized as Good.
The most common pollutant in Arizona, USA is PM2.5.
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 7.419 μg/m3.
The current PM10 levels in Arizona, USA are 32.985 μg/m3.
The current carbon monoxide (CO) level in Arizona, USA is 0.525 ppm.
The current sulfur dioxide (SO2) levels in Arizona, USA are 0.411 ppb.
The current ozone (O3) levels at Arizona, USA is 33.033 ppm.
The current nitrogen dioxide (NO2) levels at Arizona, USA is 20.537 ppb.
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