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)
74
Moderate
Tempe, Arizona
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.12 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.80 μg/m³
0
55
155
255
425
605+
62.16 ppb
0
55
71
86
201
201+
0.88 ppb
0
36
76
186
605
1005+
7.23 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Tempe, Arizona
Tempe, Arizona
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AQI 97
Moderate
2.97μg/m³
PM2.5
13.21μg/m³
PM10
69.26ppb
O3
0.85ppb
SO2
6.58ppb
NO2
0.19ppm
CO
AQI 90
Moderate
3.36μg/m³
PM2.5
10.77μg/m³
PM10
66.82ppb
O3
0.93ppb
SO2
7.02ppb
NO2
0.14ppm
CO
AQI 87
Moderate
3.04μg/m³
PM2.5
14.24μg/m³
PM10
66.25ppb
O3
0.84ppb
SO2
6.02ppb
NO2
0.18ppm
CO
AQI 80
Moderate
4.93μg/m³
PM2.5
17.95μg/m³
PM10
63.60ppb
O3
0.72ppb
SO2
5.99ppb
NO2
0.15ppm
CO
AQI 58
Moderate
3.83μg/m³
PM2.5
15.38μg/m³
PM10
57.43ppb
O3
0.95ppb
SO2
7.04ppb
NO2
0.26ppm
CO
AQI 71
Moderate
3.27μg/m³
PM2.5
13.72μg/m³
PM10
61.40ppb
O3
0.98ppb
SO2
6.95ppb
NO2
0.20ppm
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 08:00:00, 2026-07-23.
The best air quality in Tempe, Arizona was observed at 02:00:00 on 2026-07-23.
The air quality in Tempe, Arizona right now is Moderate, with an AQI of 74.
In Tempe, Arizona, O3 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 6.123 μg/m3.
Tempe, Arizona currently has a PM10 concentration of 12.796 μg/m3.
The current carbon monoxide (CO) level in Tempe, Arizona is 0.203 ppm.
The current sulfur dioxide (SO2) concentration in Tempe, Arizona is 0.88 ppb.
Tempe, Arizona currently has an ozone (O3) concentration of 62.164 ppm.
The current level of nitrogen dioxide (NO2) in Tempe, Arizona is 7.234 ppb.
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