Stay updated with real-time air quality in Nogales, 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)
163
Unhealthy
Nogales, Arizona
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
71.98 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
189.28 μg/m³
0
55
155
255
425
605+
1.94 ppb
0
55
71
86
201
201+
0.37 ppb
0
36
76
186
605
1005+
4.82 ppb
0
54
101
361
1250
2050+
1.02 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Nogales, Arizona
Nogales, Arizona
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AQI 62
Moderate
15.16μg/m³
PM2.5
27.64μg/m³
PM10
11.49ppb
O3
0.37ppb
SO2
4.80ppb
NO2
1.02ppm
CO
AQI 18
Good
3.43μg/m³
PM2.5
11.70μg/m³
PM10
18.71ppb
O3
0.37ppb
SO2
12.10ppb
NO2
1.02ppm
CO
AQI 17
Good
1.59μg/m³
PM2.5
10.90μg/m³
PM10
18.50ppb
O3
0.79ppb
SO2
5.50ppb
NO2
0.37ppm
CO
AQI 27
Good
5.05μg/m³
PM2.5
20.55μg/m³
PM10
14.98ppb
O3
0.37ppb
SO2
16.04ppb
NO2
1.02ppm
CO
AQI 28
Good
3.00μg/m³
PM2.5
29.77μg/m³
PM10
9.75ppb
O3
0.46ppb
SO2
5.14ppb
NO2
0.83ppm
CO
AQI 38
Good
6.55μg/m³
PM2.5
26.39μg/m³
PM10
15.06ppb
O3
0.39ppb
SO2
24.61ppb
NO2
1.02ppm
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 Nogales, Arizona are available every hour.
Nogales, Arizona experienced its worst air quality at 08:00:00, 2025-12-07.
The best air quality in Nogales, Arizona was observed at 02:00:00 on 2025-12-07.
The air quality in Nogales, Arizona right now is Unhealthy, with an AQI of 163.
In Nogales, Arizona, PM2.5 is the most frequently found pollutant.
When air quality in Nogales, Arizona is compromised, staying indoors and wearing a mask can reduce health risks.
Nogales, Arizona currently has a PM2.5 concentration of 71.976 μg/m3.
Nogales, Arizona currently has a PM10 concentration of 189.276 μg/m3.
The current carbon monoxide (CO) level in Nogales, Arizona is 1.022 ppm.
The current sulfur dioxide (SO2) concentration in Nogales, Arizona is 0.366 ppb.
Nogales, Arizona currently has an ozone (O3) concentration of 1.936 ppm.
The current level of nitrogen dioxide (NO2) in Nogales, Arizona is 4.82 ppb.
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