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)
58
Moderate
Fountain Hills, Arizona
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
13.47 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
37.77 μg/m³
0
55
155
255
425
605+
30.00 ppb
0
55
71
86
201
201+
0.56 ppb
0
36
76
186
605
1005+
35.32 ppb
0
54
101
361
1250
2050+
0.65 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Fountain Hills, Arizona
Fountain Hills, Arizona
Scroll To Air Quality MapLoading...
AQI 52
Moderate
10.27μg/m³
PM2.5
43.82μg/m³
PM10
17.97ppb
O3
0.90ppb
SO2
38.61ppb
NO2
0.79ppm
CO
AQI 54
Moderate
10.82μg/m³
PM2.5
48.86μg/m³
PM10
19.15ppb
O3
0.96ppb
SO2
40.31ppb
NO2
0.74ppm
CO
AQI 44
Good
8.06μg/m³
PM2.5
28.40μg/m³
PM10
22.68ppb
O3
0.73ppb
SO2
37.39ppb
NO2
0.62ppm
CO
AQI 54
Moderate
10.87μg/m³
PM2.5
46.63μg/m³
PM10
27.69ppb
O3
0.43ppb
SO2
30.71ppb
NO2
0.68ppm
CO
AQI 44
Good
7.78μg/m³
PM2.5
29.79μg/m³
PM10
17.41ppb
O3
0.78ppb
SO2
36.13ppb
NO2
0.64ppm
CO
AQI 52
Moderate
9.64μg/m³
PM2.5
40.56μg/m³
PM10
24.79ppb
O3
0.61ppb
SO2
36.52ppb
NO2
0.62ppm
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 03:00:00 on 2026-01-23.
In the last 24 hrs, the best air quality in Fountain Hills, Arizona was observed at 03:00:00 on 2026-01-22.
The current air quality in Fountain Hills, Arizona is 58, categorized as Moderate based on real-time data.
The most common pollutant in Fountain Hills, Arizona is PM2.5.
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 13.468 μg/m3.
The current PM10 concentration at Fountain Hills, Arizona is 37.771 μg/m3.
The current carbon monoxide (CO) concentration at Fountain Hills, Arizona is 0.647 ppm.
The current sulfur dioxide (SO2) concentration at Fountain Hills, Arizona is 0.557 ppb.
The current ozone (O3) concentration at Fountain Hills, Arizona is 30.004 ppm.
The current nitrogen dioxide (NO2) concentration at Fountain Hills, Arizona is 35.322 ppb.
All Rights Reserved © Ambee Inc. 2025