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
5.08 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.40 μg/m³
0
55
155
255
425
605+
29.11 ppb
0
55
71
86
201
201+
0.55 ppb
0
36
76
186
605
1005+
2.33 ppb
0
54
101
361
1250
2050+
0.24 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
5.26μg/m³
PM2.5
22.50μg/m³
PM10
22.57ppb
O3
0.55ppb
SO2
2.84ppb
NO2
0.21ppm
CO
AQI 22
Good
3.99μg/m³
PM2.5
21.07μg/m³
PM10
22.87ppb
O3
0.55ppb
SO2
3.29ppb
NO2
0.21ppm
CO
AQI 22
Good
4.32μg/m³
PM2.5
20.51μg/m³
PM10
22.49ppb
O3
0.55ppb
SO2
2.05ppb
NO2
0.20ppm
CO
AQI 22
Good
4.40μg/m³
PM2.5
22.01μg/m³
PM10
22.60ppb
O3
0.55ppb
SO2
4.19ppb
NO2
0.22ppm
CO
AQI 28
Good
5.11μg/m³
PM2.5
21.21μg/m³
PM10
29.66ppb
O3
0.55ppb
SO2
5.80ppb
NO2
0.22ppm
CO
AQI 27
Good
4.69μg/m³
PM2.5
22.89μg/m³
PM10
23.83ppb
O3
0.55ppb
SO2
4.28ppb
NO2
0.21ppm
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 07:00:00, 2026-10-22.
The best air quality in Catalina Foothills, Arizona was observed at 03:00:00 on 2026-10-22.
The air quality in Catalina Foothills, Arizona right now is Good, with an AQI of 27.
In Catalina Foothills, Arizona, O3 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 5.079 μg/m3.
Catalina Foothills, Arizona currently has a PM10 concentration of 23.397 μg/m3.
The current carbon monoxide (CO) level in Catalina Foothills, Arizona is 0.243 ppm.
The current sulfur dioxide (SO2) concentration in Catalina Foothills, Arizona is 0.553 ppb.
Catalina Foothills, Arizona currently has an ozone (O3) concentration of 29.106 ppm.
The current level of nitrogen dioxide (NO2) in Catalina Foothills, Arizona is 2.328 ppb.
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