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)
30
Good
Catalina Foothills, Arizona
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.77 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.82 μg/m³
0
55
155
255
425
605+
32.11 ppb
0
55
71
86
201
201+
0.59 ppb
0
36
76
186
605
1005+
8.80 ppb
0
54
101
361
1250
2050+
0.16 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 45
Good
3.87μg/m³
PM2.5
16.69μg/m³
PM10
48.72ppb
O3
0.61ppb
SO2
5.41ppb
NO2
0.18ppm
CO
AQI 45
Good
4.04μg/m³
PM2.5
17.41μg/m³
PM10
48.97ppb
O3
0.61ppb
SO2
5.40ppb
NO2
0.18ppm
CO
AQI 45
Good
4.24μg/m³
PM2.5
18.70μg/m³
PM10
49.48ppb
O3
0.62ppb
SO2
5.40ppb
NO2
0.18ppm
CO
AQI 45
Good
4.12μg/m³
PM2.5
16.90μg/m³
PM10
48.73ppb
O3
0.62ppb
SO2
5.39ppb
NO2
0.18ppm
CO
AQI 46
Good
3.79μg/m³
PM2.5
19.07μg/m³
PM10
49.82ppb
O3
0.61ppb
SO2
5.47ppb
NO2
0.18ppm
CO
AQI 43
Good
3.31μg/m³
PM2.5
14.08μg/m³
PM10
45.54ppb
O3
0.61ppb
SO2
5.42ppb
NO2
0.18ppm
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, 2025-07-20.
The best air quality in Catalina Foothills, Arizona was observed at 03:00:00 on 2025-07-19.
The air quality in Catalina Foothills, Arizona right now is Good, with an AQI of 45.
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 3.888 μg/m3.
Catalina Foothills, Arizona currently has a PM10 concentration of 16.983 μg/m3.
The current carbon monoxide (CO) level in Catalina Foothills, Arizona is 0.18 ppm.
The current sulfur dioxide (SO2) concentration in Catalina Foothills, Arizona is 0.614 ppb.
Catalina Foothills, Arizona currently has an ozone (O3) concentration of 48.543 ppm.
The current level of nitrogen dioxide (NO2) in Catalina Foothills, Arizona is 5.414 ppb.
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