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)
54
Moderate
Arizona, USA
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.28 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
52.47 μg/m³
0
55
155
255
425
605+
20.96 ppb
0
55
71
86
201
201+
1.04 ppb
0
36
76
186
605
1005+
14.76 ppb
0
54
101
361
1250
2050+
0.53 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Arizona, USA
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 27
Good
4.69μg/m³
PM2.5
17.25μg/m³
PM10
18.97ppb
O3
0.18ppb
SO2
10.03ppb
NO2
0.24ppm
CO
AQI 27
Good
5.02μg/m³
PM2.5
20.75μg/m³
PM10
20.02ppb
O3
0.44ppb
SO2
11.75ppb
NO2
0.21ppm
CO
AQI 20
Good
3.32μg/m³
PM2.5
11.18μg/m³
PM10
21.70ppb
O3
0.41ppb
SO2
11.76ppb
NO2
0.25ppm
CO
AQI 22
Good
4.46μg/m³
PM2.5
17.70μg/m³
PM10
19.23ppb
O3
0.50ppb
SO2
11.08ppb
NO2
0.33ppm
CO
AQI 27
Good
4.66μg/m³
PM2.5
17.78μg/m³
PM10
25.29ppb
O3
0.52ppb
SO2
19.87ppb
NO2
0.38ppm
CO
AQI 33
Good
5.79μg/m³
PM2.5
19.69μg/m³
PM10
15.56ppb
O3
0.46ppb
SO2
9.86ppb
NO2
0.39ppm
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 08:00:00 on 2026-02-12.
The best air quality in Arizona, USA was recorded at 07:00:00 on 2026-02-11.
The real-time air quality index in Arizona, USA is 33, 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 6.32 μg/m3.
The current PM10 levels in Arizona, USA are 27.137 μg/m3.
The current carbon monoxide (CO) level in Arizona, USA is 0.463 ppm.
The current sulfur dioxide (SO2) levels in Arizona, USA are 0.419 ppb.
The current ozone (O3) levels at Arizona, USA is 18.973 ppm.
The current nitrogen dioxide (NO2) levels at Arizona, USA is 12.383 ppb.
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