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)
38
Good
San Luis, Arizona
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.28 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
40.20 μg/m³
0
55
155
255
425
605+
41.18 ppb
0
55
71
86
201
201+
0.27 ppb
0
36
76
186
605
1005+
6.51 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
San Luis, Arizona
San Luis, Arizona
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AQI 49
Good
5.94μg/m³
PM2.5
40.63μg/m³
PM10
52.62ppb
O3
0.29ppb
SO2
10.09ppb
NO2
0.22ppm
CO
AQI 71
Moderate
4.94μg/m³
PM2.5
40.05μg/m³
PM10
60.70ppb
O3
0.30ppb
SO2
12.55ppb
NO2
0.21ppm
CO
AQI 37
Good
6.50μg/m³
PM2.5
27.77μg/m³
PM10
40.03ppb
O3
0.32ppb
SO2
11.71ppb
NO2
0.21ppm
CO
AQI 44
Good
5.81μg/m³
PM2.5
28.39μg/m³
PM10
46.98ppb
O3
0.10ppb
SO2
10.52ppb
NO2
0.30ppm
CO
AQI 82
Moderate
12.98μg/m³
PM2.5
117.74μg/m³
PM10
47.99ppb
O3
0.35ppb
SO2
12.89ppb
NO2
0.32ppm
CO
AQI 70
Moderate
10.88μg/m³
PM2.5
93.76μg/m³
PM10
46.69ppb
O3
0.34ppb
SO2
11.48ppb
NO2
0.32ppm
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 12:00:00, 2026-04-24.
The best air quality in San Luis, Arizona was observed at 06:00:00 on 2026-04-23.
The air quality in San Luis, Arizona right now is Good, with an AQI of 38.
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 7.283 μg/m3.
San Luis, Arizona currently has a PM10 concentration of 40.197 μg/m3.
The current carbon monoxide (CO) level in San Luis, Arizona is 0.216 ppm.
The current sulfur dioxide (SO2) concentration in San Luis, Arizona is 0.265 ppb.
San Luis, Arizona currently has an ozone (O3) concentration of 41.184 ppm.
The current level of nitrogen dioxide (NO2) in San Luis, Arizona is 6.512 ppb.
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