Stay updated with real-time air quality in Sierra Vista, 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)
34
Good
Sierra Vista, Arizona
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.05 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.83 μg/m³
0
55
155
255
425
605+
36.93 ppb
0
55
71
86
201
201+
1.42 ppb
0
36
76
186
605
1005+
2.54 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Sierra Vista, Arizona
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AQI 34
Good
2.06μg/m³
PM2.5
8.06μg/m³
PM10
36.70ppb
O3
0.39ppb
SO2
0.17ppb
NO2
0.10ppm
CO
AQI 38
Good
6.56μg/m³
PM2.5
29.16μg/m³
PM10
41.06ppb
O3
5.11ppb
SO2
11.13ppb
NO2
0.26ppm
CO
AQI 44
Good
7.72μg/m³
PM2.5
33.49μg/m³
PM10
34.56ppb
O3
5.03ppb
SO2
10.96ppb
NO2
0.26ppm
CO
AQI 38
Good
7.08μg/m³
PM2.5
34.20μg/m³
PM10
39.65ppb
O3
5.04ppb
SO2
10.93ppb
NO2
0.26ppm
CO
AQI 52
Moderate
10.50μg/m³
PM2.5
47.00μg/m³
PM10
41.10ppb
O3
5.00ppb
SO2
6.04ppb
NO2
0.26ppm
CO
AQI 38
Good
4.12μg/m³
PM2.5
16.59μg/m³
PM10
40.95ppb
O3
5.09ppb
SO2
10.95ppb
NO2
0.26ppm
CO
Air quality measurements for Arizona, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Sierra Vista, Arizona is updated on an hourly basis.
The worst air quality in Sierra Vista, Arizona was recorded at 03:00:00 on 2026-03-09.
The best air quality in Sierra Vista, Arizona was recorded at 11:00:00 on 2026-03-09.
The real-time air quality index in Sierra Vista, Arizona is 34, currently categorized as Good.
The most common pollutant in Sierra Vista, Arizona is O3.
If the air quality in Sierra Vista, Arizona is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Sierra Vista, Arizona at present are 3.053 μg/m3.
The current PM10 levels in Sierra Vista, Arizona are 12.828 μg/m3.
The current carbon monoxide (CO) level in Sierra Vista, Arizona is 0.119 ppm.
The current sulfur dioxide (SO2) levels in Sierra Vista, Arizona are 1.419 ppb.
The current ozone (O3) levels at Sierra Vista, Arizona is 36.931 ppm.
The current nitrogen dioxide (NO2) levels at Sierra Vista, Arizona is 2.536 ppb.
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