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)
22
Good
Arizona, USA
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.06 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.05 μg/m³
0
55
155
255
425
605+
16.59 ppb
0
55
71
86
201
201+
0.68 ppb
0
36
76
186
605
1005+
5.47 ppb
0
54
101
361
1250
2050+
0.14 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 33
Good
6.03μg/m³
PM2.5
27.32μg/m³
PM10
30.32ppb
O3
0.53ppb
SO2
3.87ppb
NO2
0.15ppm
CO
AQI 25
Good
3.85μg/m³
PM2.5
18.20μg/m³
PM10
27.08ppb
O3
0.38ppb
SO2
3.60ppb
NO2
0.14ppm
CO
AQI 24
Good
2.54μg/m³
PM2.5
10.08μg/m³
PM10
26.24ppb
O3
0.38ppb
SO2
4.28ppb
NO2
0.21ppm
CO
AQI 23
Good
2.55μg/m³
PM2.5
9.75μg/m³
PM10
24.61ppb
O3
1.28ppb
SO2
2.26ppb
NO2
0.14ppm
CO
AQI 27
Good
4.82μg/m³
PM2.5
21.00μg/m³
PM10
28.08ppb
O3
0.48ppb
SO2
8.10ppb
NO2
0.20ppm
CO
AQI 33
Good
6.35μg/m³
PM2.5
23.57μg/m³
PM10
14.95ppb
O3
0.59ppb
SO2
7.59ppb
NO2
0.36ppm
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 04:00:00 on 2026-09-07.
The best air quality in Arizona, USA was recorded at 09:00:00 on 2026-09-07.
The real-time air quality index in Arizona, USA is 22, 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 4.06 μg/m3.
The current PM10 levels in Arizona, USA are 21.045 μg/m3.
The current carbon monoxide (CO) level in Arizona, USA is 0.138 ppm.
The current sulfur dioxide (SO2) levels in Arizona, USA are 0.679 ppb.
The current ozone (O3) levels at Arizona, USA is 16.588 ppm.
The current nitrogen dioxide (NO2) levels at Arizona, USA is 5.47 ppb.
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