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
11.04 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
36.83 μg/m³
0
55
155
255
425
605+
15.41 ppb
0
55
71
86
201
201+
0.52 ppb
0
36
76
186
605
1005+
15.59 ppb
0
54
101
361
1250
2050+
1.02 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 26
Good
2.90μg/m³
PM2.5
12.65μg/m³
PM10
28.41ppb
O3
0.41ppb
SO2
4.47ppb
NO2
0.26ppm
CO
AQI 44
Good
7.73μg/m³
PM2.5
31.98μg/m³
PM10
21.28ppb
O3
0.28ppb
SO2
4.44ppb
NO2
0.17ppm
CO
AQI 62
Moderate
15.12μg/m³
PM2.5
40.44μg/m³
PM10
13.56ppb
O3
1.23ppb
SO2
19.14ppb
NO2
0.87ppm
CO
AQI 33
Good
5.84μg/m³
PM2.5
20.31μg/m³
PM10
17.55ppb
O3
0.99ppb
SO2
18.85ppb
NO2
0.74ppm
CO
AQI 32
Good
3.07μg/m³
PM2.5
10.64μg/m³
PM10
34.59ppb
O3
0.43ppb
SO2
6.59ppb
NO2
0.21ppm
CO
AQI 66
Moderate
16.84μg/m³
PM2.5
54.56μg/m³
PM10
13.16ppb
O3
0.59ppb
SO2
17.31ppb
NO2
0.73ppm
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 56, currently categorized as Moderate.
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 11.944 μg/m3.
The current PM10 levels in Arizona, USA are 44.242 μg/m3.
The current carbon monoxide (CO) level in Arizona, USA is 1.17 ppm.
The current sulfur dioxide (SO2) levels in Arizona, USA are 0.654 ppb.
The current ozone (O3) levels at Arizona, USA is 18.472 ppm.
The current nitrogen dioxide (NO2) levels at Arizona, USA is 18.925 ppb.
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