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)
44
Good
Tempe, Arizona
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.78 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.54 μg/m³
0
55
155
255
425
605+
8.33 ppb
0
55
71
86
201
201+
0.77 ppb
0
36
76
186
605
1005+
21.90 ppb
0
54
101
361
1250
2050+
0.38 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Tempe, Arizona
Tempe, Arizona
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AQI 27
Good
5.04μg/m³
PM2.5
22.36μg/m³
PM10
7.07ppb
O3
0.78ppb
SO2
28.24ppb
NO2
0.42ppm
CO
AQI 38
Good
6.59μg/m³
PM2.5
17.84μg/m³
PM10
16.72ppb
O3
0.77ppb
SO2
20.64ppb
NO2
0.34ppm
CO
AQI 33
Good
5.81μg/m³
PM2.5
23.47μg/m³
PM10
10.51ppb
O3
0.78ppb
SO2
25.92ppb
NO2
0.45ppm
CO
AQI 56
Moderate
12.32μg/m³
PM2.5
40.71μg/m³
PM10
6.35ppb
O3
0.78ppb
SO2
26.97ppb
NO2
0.56ppm
CO
AQI 38
Good
7.50μg/m³
PM2.5
30.35μg/m³
PM10
11.19ppb
O3
0.77ppb
SO2
19.41ppb
NO2
0.46ppm
CO
AQI 44
Good
7.71μg/m³
PM2.5
30.74μg/m³
PM10
17.73ppb
O3
0.77ppb
SO2
19.23ppb
NO2
0.41ppm
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 06:00:00, 2026-01-23.
The best air quality in Tempe, Arizona was observed at 04:00:00 on 2026-01-22.
The air quality in Tempe, Arizona right now is Good, with an AQI of 44.
In Tempe, Arizona, PM2.5 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 7.784 μg/m3.
Tempe, Arizona currently has a PM10 concentration of 19.536 μg/m3.
The current carbon monoxide (CO) level in Tempe, Arizona is 0.381 ppm.
The current sulfur dioxide (SO2) concentration in Tempe, Arizona is 0.771 ppb.
Tempe, Arizona currently has an ozone (O3) concentration of 8.332 ppm.
The current level of nitrogen dioxide (NO2) in Tempe, Arizona is 21.898 ppb.
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