Stay updated with real-time air quality in Fountain Hills, 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)
64
Moderate
Fountain Hills, Arizona
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.49 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.86 μg/m³
0
55
155
255
425
605+
58.96 ppb
0
55
71
86
201
201+
0.43 ppb
0
36
76
186
605
1005+
6.13 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Fountain Hills, Arizona
Fountain Hills, Arizona
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AQI 47
Good
4.39μg/m³
PM2.5
17.64μg/m³
PM10
51.23ppb
O3
0.51ppb
SO2
5.61ppb
NO2
0.14ppm
CO
AQI 48
Good
3.80μg/m³
PM2.5
16.73μg/m³
PM10
52.00ppb
O3
0.50ppb
SO2
5.93ppb
NO2
0.15ppm
CO
AQI 54
Moderate
3.24μg/m³
PM2.5
12.29μg/m³
PM10
55.55ppb
O3
0.47ppb
SO2
6.13ppb
NO2
0.12ppm
CO
AQI 54
Moderate
3.15μg/m³
PM2.5
14.25μg/m³
PM10
55.88ppb
O3
0.37ppb
SO2
6.17ppb
NO2
0.14ppm
CO
AQI 50
Good
3.71μg/m³
PM2.5
11.04μg/m³
PM10
53.78ppb
O3
0.49ppb
SO2
5.95ppb
NO2
0.16ppm
CO
AQI 51
Moderate
3.38μg/m³
PM2.5
14.27μg/m³
PM10
54.81ppb
O3
0.44ppb
SO2
6.15ppb
NO2
0.12ppm
CO
Air quality data and pollutant measurements for Arizona, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Fountain Hills, Arizona is updated every hour.
The worst air quality in Fountain Hills, Arizona in the last 24 hours was observed at 10:00:00 on 2025-06-05.
In the last 24 hrs, the best air quality in Fountain Hills, Arizona was observed at 01:00:00 on 2025-06-05.
The current air quality in Fountain Hills, Arizona is 64, categorized as Moderate based on real-time data.
The most common pollutant in Fountain Hills, Arizona is O3.
If the air quality in Fountain Hills, Arizona is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Fountain Hills, Arizona is 4.489 μg/m3.
The current PM10 concentration at Fountain Hills, Arizona is 17.86 μg/m3.
The current carbon monoxide (CO) concentration at Fountain Hills, Arizona is 0.139 ppm.
The current sulfur dioxide (SO2) concentration at Fountain Hills, Arizona is 0.432 ppb.
The current ozone (O3) concentration at Fountain Hills, Arizona is 58.962 ppm.
The current nitrogen dioxide (NO2) concentration at Fountain Hills, Arizona is 6.128 ppb.
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