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)
35
Good
Arizona, USA
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.20 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.53 μg/m³
0
55
155
255
425
605+
38.17 ppb
0
55
71
86
201
201+
1.24 ppb
0
36
76
186
605
1005+
3.19 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 39
Good
5.88μg/m³
PM2.5
27.02μg/m³
PM10
41.94ppb
O3
2.11ppb
SO2
1.69ppb
NO2
0.14ppm
CO
AQI 24
Good
3.69μg/m³
PM2.5
16.95μg/m³
PM10
26.48ppb
O3
0.36ppb
SO2
3.10ppb
NO2
0.18ppm
CO
AQI 33
Good
4.71μg/m³
PM2.5
22.73μg/m³
PM10
35.63ppb
O3
0.26ppb
SO2
2.90ppb
NO2
0.19ppm
CO
AQI 38
Good
4.52μg/m³
PM2.5
21.83μg/m³
PM10
40.52ppb
O3
0.48ppb
SO2
1.57ppb
NO2
0.17ppm
CO
AQI 40
Good
4.76μg/m³
PM2.5
21.13μg/m³
PM10
43.43ppb
O3
0.58ppb
SO2
4.57ppb
NO2
0.16ppm
CO
AQI 49
Good
9.00μg/m³
PM2.5
31.13μg/m³
PM10
34.21ppb
O3
0.47ppb
SO2
3.29ppb
NO2
0.30ppm
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 02:00:00 on 2026-09-13.
The best air quality in Arizona, USA was recorded at 06:00:00 on 2026-09-13.
The real-time air quality index in Arizona, USA is 35, 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 4.203 μg/m3.
The current PM10 levels in Arizona, USA are 17.532 μg/m3.
The current carbon monoxide (CO) level in Arizona, USA is 0.145 ppm.
The current sulfur dioxide (SO2) levels in Arizona, USA are 1.241 ppb.
The current ozone (O3) levels at Arizona, USA is 38.171 ppm.
The current nitrogen dioxide (NO2) levels at Arizona, USA is 3.185 ppb.
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