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
6.69 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.00 μg/m³
0
55
155
255
425
605+
37.89 ppb
0
55
71
86
201
201+
0.28 ppb
0
36
76
186
605
1005+
23.19 ppb
0
54
101
361
1250
2050+
0.41 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
7.63μg/m³
PM2.5
32.09μg/m³
PM10
38.12ppb
O3
0.23ppb
SO2
3.32ppb
NO2
0.17ppm
CO
AQI 27
Good
4.67μg/m³
PM2.5
18.07μg/m³
PM10
26.19ppb
O3
0.38ppb
SO2
5.72ppb
NO2
0.15ppm
CO
AQI 33
Good
5.50μg/m³
PM2.5
21.84μg/m³
PM10
35.68ppb
O3
0.32ppb
SO2
13.74ppb
NO2
0.28ppm
CO
AQI 34
Good
4.16μg/m³
PM2.5
17.85μg/m³
PM10
36.62ppb
O3
0.60ppb
SO2
6.81ppb
NO2
0.15ppm
CO
AQI 33
Good
4.36μg/m³
PM2.5
15.39μg/m³
PM10
36.38ppb
O3
0.29ppb
SO2
6.64ppb
NO2
0.18ppm
CO
AQI 54
Moderate
10.53μg/m³
PM2.5
38.30μg/m³
PM10
32.47ppb
O3
0.61ppb
SO2
10.23ppb
NO2
0.29ppm
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 03:00:00 on 2026-05-21.
The best air quality in Arizona, USA was recorded at 05:00:00 on 2026-05-20.
The real-time air quality index in Arizona, USA is 38, 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 6.568 μg/m3.
The current PM10 levels in Arizona, USA are 30.147 μg/m3.
The current carbon monoxide (CO) level in Arizona, USA is 0.416 ppm.
The current sulfur dioxide (SO2) levels in Arizona, USA are 0.279 ppb.
The current ozone (O3) levels at Arizona, USA is 41.334 ppm.
The current nitrogen dioxide (NO2) levels at Arizona, USA is 22.384 ppb.
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