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)
39
Good
Nogales, Arizona
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.20 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
42.15 μg/m³
0
55
155
255
425
605+
20.41 ppb
0
55
71
86
201
201+
0.71 ppb
0
36
76
186
605
1005+
6.09 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Nogales, Arizona
Nogales, Arizona
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AQI 44
Good
7.55μg/m³
PM2.5
37.52μg/m³
PM10
14.43ppb
O3
0.73ppb
SO2
4.74ppb
NO2
0.12ppm
CO
AQI 44
Good
4.37μg/m³
PM2.5
48.30μg/m³
PM10
17.92ppb
O3
0.72ppb
SO2
4.13ppb
NO2
0.12ppm
CO
AQI 27
Good
5.36μg/m³
PM2.5
25.73μg/m³
PM10
27.82ppb
O3
0.23ppb
SO2
3.21ppb
NO2
0.11ppm
CO
AQI 49
Good
8.18μg/m³
PM2.5
52.92μg/m³
PM10
16.76ppb
O3
0.72ppb
SO2
4.11ppb
NO2
0.11ppm
CO
AQI 38
Good
6.59μg/m³
PM2.5
38.25μg/m³
PM10
25.50ppb
O3
0.58ppb
SO2
4.24ppb
NO2
0.12ppm
CO
AQI 62
Moderate
14.56μg/m³
PM2.5
59.99μg/m³
PM10
15.43ppb
O3
0.72ppb
SO2
4.08ppb
NO2
0.11ppm
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 11:00:00, 2026-09-06.
The best air quality in Nogales, Arizona was observed at 08:00:00 on 2026-09-07.
The air quality in Nogales, Arizona right now is Good, with an AQI of 39.
In Nogales, Arizona, PM10 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 6.201 μg/m3.
Nogales, Arizona currently has a PM10 concentration of 42.148 μg/m3.
The current carbon monoxide (CO) level in Nogales, Arizona is 0.125 ppm.
The current sulfur dioxide (SO2) concentration in Nogales, Arizona is 0.709 ppb.
Nogales, Arizona currently has an ozone (O3) concentration of 20.413 ppm.
The current level of nitrogen dioxide (NO2) in Nogales, Arizona is 6.09 ppb.
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