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)
37
Good
San Luis, Arizona
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.95 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.76 μg/m³
0
55
155
255
425
605+
40.05 ppb
0
55
71
86
201
201+
0.69 ppb
0
36
76
186
605
1005+
3.85 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
San Luis, Arizona
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AQI 40
Good
3.50μg/m³
PM2.5
19.77μg/m³
PM10
43.38ppb
O3
0.69ppb
SO2
3.78ppb
NO2
0.26ppm
CO
AQI 43
Good
3.02μg/m³
PM2.5
18.08μg/m³
PM10
45.90ppb
O3
0.69ppb
SO2
3.70ppb
NO2
0.26ppm
CO
AQI 34
Good
3.74μg/m³
PM2.5
20.72μg/m³
PM10
37.41ppb
O3
3.41ppb
SO2
5.72ppb
NO2
0.26ppm
CO
AQI 54
Moderate
10.86μg/m³
PM2.5
29.92μg/m³
PM10
37.06ppb
O3
0.70ppb
SO2
5.27ppb
NO2
0.24ppm
CO
AQI 37
Good
4.41μg/m³
PM2.5
27.99μg/m³
PM10
39.99ppb
O3
0.64ppb
SO2
3.67ppb
NO2
0.22ppm
CO
AQI 37
Good
4.61μg/m³
PM2.5
26.31μg/m³
PM10
39.67ppb
O3
0.66ppb
SO2
3.83ppb
NO2
0.23ppm
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 08:00:00, 2026-03-09.
The best air quality in San Luis, Arizona was observed at 04:00:00 on 2026-03-09.
The air quality in San Luis, Arizona right now is Good, with an AQI of 37.
In San Luis, Arizona, O3 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 3.946 μg/m3.
San Luis, Arizona currently has a PM10 concentration of 21.758 μg/m3.
The current carbon monoxide (CO) level in San Luis, Arizona is 0.261 ppm.
The current sulfur dioxide (SO2) concentration in San Luis, Arizona is 0.688 ppb.
San Luis, Arizona currently has an ozone (O3) concentration of 40.047 ppm.
The current level of nitrogen dioxide (NO2) in San Luis, Arizona is 3.849 ppb.
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