Stay updated with real-time air quality in Tempe, Arizona 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)
26
Good
Tempe, Arizona
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.01 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.97 μg/m³
0
55
155
255
425
605+
22.41 ppb
0
55
71
86
201
201+
0.52 ppb
0
36
76
186
605
1005+
28.12 ppb
0
54
101
361
1250
2050+
0.49 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Tempe, Arizona
Tempe, Arizona
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AQI 21
Good
2.63μg/m³
PM2.5
11.98μg/m³
PM10
23.27ppb
O3
0.56ppb
SO2
13.81ppb
NO2
0.30ppm
CO
AQI 24
Good
2.95μg/m³
PM2.5
9.16μg/m³
PM10
26.15ppb
O3
0.41ppb
SO2
16.14ppb
NO2
0.24ppm
CO
AQI 22
Good
3.34μg/m³
PM2.5
13.06μg/m³
PM10
23.89ppb
O3
0.52ppb
SO2
15.98ppb
NO2
0.29ppm
CO
AQI 27
Good
4.54μg/m³
PM2.5
14.33μg/m³
PM10
21.37ppb
O3
0.59ppb
SO2
15.58ppb
NO2
0.27ppm
CO
AQI 23
Good
3.61μg/m³
PM2.5
15.52μg/m³
PM10
25.45ppb
O3
0.37ppb
SO2
15.56ppb
NO2
0.36ppm
CO
AQI 25
Good
3.36μg/m³
PM2.5
13.68μg/m³
PM10
26.53ppb
O3
0.34ppb
SO2
14.84ppb
NO2
0.29ppm
CO
The air quality data for Arizona, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Tempe, Arizona are available every hour.
Tempe, Arizona experienced its worst air quality at 04:00:00, 2025-12-13.
The best air quality in Tempe, Arizona was observed at 12:00:00 on 2025-12-14.
The air quality in Tempe, Arizona right now is Good, with an AQI of 26.
In Tempe, Arizona, NO2 is the most frequently found pollutant.
When air quality in Tempe, Arizona is compromised, staying indoors and wearing a mask can reduce health risks.
Tempe, Arizona currently has a PM2.5 concentration of 3.01 μg/m3.
Tempe, Arizona currently has a PM10 concentration of 13.969 μg/m3.
The current carbon monoxide (CO) level in Tempe, Arizona is 0.495 ppm.
The current sulfur dioxide (SO2) concentration in Tempe, Arizona is 0.517 ppb.
Tempe, Arizona currently has an ozone (O3) concentration of 22.415 ppm.
The current level of nitrogen dioxide (NO2) in Tempe, Arizona is 28.122 ppb.
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