Stay updated with real-time air quality in San Luis, 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)
33
Good
San Luis, Arizona
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.04 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.05 μg/m³
0
55
155
255
425
605+
23.15 ppb
0
55
71
86
201
201+
0.27 ppb
0
36
76
186
605
1005+
4.76 ppb
0
54
101
361
1250
2050+
0.38 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
San Luis, Arizona
San Luis, Arizona
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AQI 34
Good
5.76μg/m³
PM2.5
19.96μg/m³
PM10
36.97ppb
O3
0.28ppb
SO2
4.13ppb
NO2
0.29ppm
CO
AQI 37
Good
5.80μg/m³
PM2.5
18.08μg/m³
PM10
39.88ppb
O3
0.28ppb
SO2
4.14ppb
NO2
0.29ppm
CO
AQI 34
Good
5.82μg/m³
PM2.5
28.07μg/m³
PM10
37.36ppb
O3
0.28ppb
SO2
4.06ppb
NO2
0.29ppm
CO
AQI 44
Good
8.43μg/m³
PM2.5
29.79μg/m³
PM10
25.24ppb
O3
0.20ppb
SO2
3.15ppb
NO2
0.20ppm
CO
AQI 36
Good
5.50μg/m³
PM2.5
20.01μg/m³
PM10
38.97ppb
O3
0.32ppb
SO2
5.87ppb
NO2
0.20ppm
CO
AQI 33
Good
5.41μg/m³
PM2.5
20.49μg/m³
PM10
36.47ppb
O3
0.31ppb
SO2
5.26ppb
NO2
0.20ppm
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 San Luis, Arizona are available every hour.
San Luis, Arizona experienced its worst air quality at 01:00:00, 2026-06-07.
The best air quality in San Luis, Arizona was observed at 11:00:00 on 2026-06-08.
The air quality in San Luis, Arizona right now is Good, with an AQI of 39.
In San Luis, Arizona, PM10 is the most frequently found pollutant.
When air quality in San Luis, Arizona is compromised, staying indoors and wearing a mask can reduce health risks.
San Luis, Arizona currently has a PM2.5 concentration of 5.168 μg/m3.
San Luis, Arizona currently has a PM10 concentration of 41.982 μg/m3.
The current carbon monoxide (CO) level in San Luis, Arizona is 0.375 ppm.
The current sulfur dioxide (SO2) concentration in San Luis, Arizona is 0.218 ppb.
San Luis, Arizona currently has an ozone (O3) concentration of 22.168 ppm.
The current level of nitrogen dioxide (NO2) in San Luis, Arizona is 3.816 ppb.
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