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)
30
Good
Tempe, Arizona
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.37 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.62 μg/m³
0
55
155
255
425
605+
31.78 ppb
0
55
71
86
201
201+
0.43 ppb
0
36
76
186
605
1005+
5.75 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Tempe, Arizona
Tempe, Arizona
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AQI 40
Good
2.70μg/m³
PM2.5
11.89μg/m³
PM10
42.82ppb
O3
0.79ppb
SO2
7.16ppb
NO2
0.21ppm
CO
AQI 42
Good
4.66μg/m³
PM2.5
15.15μg/m³
PM10
44.67ppb
O3
1.07ppb
SO2
10.27ppb
NO2
0.20ppm
CO
AQI 38
Good
4.26μg/m³
PM2.5
16.10μg/m³
PM10
40.82ppb
O3
0.81ppb
SO2
7.31ppb
NO2
0.21ppm
CO
AQI 35
Good
4.55μg/m³
PM2.5
16.93μg/m³
PM10
38.35ppb
O3
0.57ppb
SO2
7.13ppb
NO2
0.19ppm
CO
AQI 41
Good
2.98μg/m³
PM2.5
12.00μg/m³
PM10
43.78ppb
O3
1.20ppb
SO2
9.71ppb
NO2
0.20ppm
CO
AQI 42
Good
4.49μg/m³
PM2.5
18.15μg/m³
PM10
44.71ppb
O3
1.24ppb
SO2
9.60ppb
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 01:00:00, 2025-07-19.
The best air quality in Tempe, Arizona was observed at 03:00:00 on 2025-07-19.
The air quality in Tempe, Arizona right now is Good, with an AQI of 42.
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 5.011 μg/m3.
Tempe, Arizona currently has a PM10 concentration of 11.234 μg/m3.
The current carbon monoxide (CO) level in Tempe, Arizona is 0.226 ppm.
The current sulfur dioxide (SO2) concentration in Tempe, Arizona is 0.98 ppb.
Tempe, Arizona currently has an ozone (O3) concentration of 44.561 ppm.
The current level of nitrogen dioxide (NO2) in Tempe, Arizona is 11.406 ppb.
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