Stay updated with real-time air quality in Catalina Foothills, 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)
27
Good
Catalina Foothills, Arizona
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.02 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.42 μg/m³
0
55
155
255
425
605+
20.98 ppb
0
55
71
86
201
201+
0.49 ppb
0
36
76
186
605
1005+
9.21 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Catalina Foothills, Arizona
Catalina Foothills, Arizona
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AQI 27
Good
4.88μg/m³
PM2.5
19.62μg/m³
PM10
22.31ppb
O3
0.49ppb
SO2
9.57ppb
NO2
0.11ppm
CO
AQI 22
Good
4.37μg/m³
PM2.5
19.33μg/m³
PM10
23.47ppb
O3
0.49ppb
SO2
9.62ppb
NO2
0.12ppm
CO
AQI 27
Good
4.93μg/m³
PM2.5
21.63μg/m³
PM10
21.87ppb
O3
0.49ppb
SO2
8.73ppb
NO2
0.11ppm
CO
AQI 27
Good
4.52μg/m³
PM2.5
19.19μg/m³
PM10
24.80ppb
O3
0.49ppb
SO2
10.45ppb
NO2
0.13ppm
CO
AQI 33
Good
5.55μg/m³
PM2.5
30.32μg/m³
PM10
29.76ppb
O3
0.49ppb
SO2
10.10ppb
NO2
0.14ppm
CO
AQI 22
Good
4.28μg/m³
PM2.5
18.95μg/m³
PM10
20.66ppb
O3
0.49ppb
SO2
10.38ppb
NO2
0.12ppm
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 Catalina Foothills, Arizona are available every hour.
Catalina Foothills, Arizona experienced its worst air quality at 02:00:00, 2026-08-16.
The best air quality in Catalina Foothills, Arizona was observed at 10:00:00 on 2026-08-16.
The air quality in Catalina Foothills, Arizona right now is Good, with an AQI of 27.
In Catalina Foothills, Arizona, PM2.5 is the most frequently found pollutant.
When air quality in Catalina Foothills, Arizona is compromised, staying indoors and wearing a mask can reduce health risks.
Catalina Foothills, Arizona currently has a PM2.5 concentration of 5.017 μg/m3.
Catalina Foothills, Arizona currently has a PM10 concentration of 22.417 μg/m3.
The current carbon monoxide (CO) level in Catalina Foothills, Arizona is 0.11 ppm.
The current sulfur dioxide (SO2) concentration in Catalina Foothills, Arizona is 0.49 ppb.
Catalina Foothills, Arizona currently has an ozone (O3) concentration of 20.976 ppm.
The current level of nitrogen dioxide (NO2) in Catalina Foothills, Arizona is 9.212 ppb.
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