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)
48
Good
Tempe, Arizona
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.74 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.63 μg/m³
0
55
155
255
425
605+
51.57 ppb
0
55
71
86
201
201+
0.29 ppb
0
36
76
186
605
1005+
6.74 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Tempe, Arizona
Tempe, Arizona
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AQI 44
Good
5.82μg/m³
PM2.5
25.22μg/m³
PM10
46.89ppb
O3
0.67ppb
SO2
4.93ppb
NO2
0.14ppm
CO
AQI 43
Good
5.78μg/m³
PM2.5
25.00μg/m³
PM10
46.36ppb
O3
0.57ppb
SO2
3.94ppb
NO2
0.13ppm
CO
AQI 43
Good
5.89μg/m³
PM2.5
25.80μg/m³
PM10
45.96ppb
O3
0.74ppb
SO2
5.74ppb
NO2
0.14ppm
CO
AQI 45
Good
6.19μg/m³
PM2.5
27.59μg/m³
PM10
48.67ppb
O3
0.61ppb
SO2
4.32ppb
NO2
0.13ppm
CO
AQI 41
Good
6.07μg/m³
PM2.5
26.30μg/m³
PM10
43.83ppb
O3
0.54ppb
SO2
3.64ppb
NO2
0.13ppm
CO
AQI 42
Good
6.26μg/m³
PM2.5
27.47μg/m³
PM10
45.17ppb
O3
0.55ppb
SO2
3.71ppb
NO2
0.13ppm
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, 2026-04-24.
The best air quality in Tempe, Arizona was observed at 02:00:00 on 2026-04-23.
The air quality in Tempe, Arizona right now is Good, with an AQI of 48.
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 3.744 μg/m3.
Tempe, Arizona currently has a PM10 concentration of 12.635 μg/m3.
The current carbon monoxide (CO) level in Tempe, Arizona is 0.212 ppm.
The current sulfur dioxide (SO2) concentration in Tempe, Arizona is 0.293 ppb.
Tempe, Arizona currently has an ozone (O3) concentration of 51.574 ppm.
The current level of nitrogen dioxide (NO2) in Tempe, Arizona is 6.743 ppb.
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