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
6.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.13 μg/m³
0
55
155
255
425
605+
5.95 ppb
0
55
71
86
201
201+
1.11 ppb
0
36
76
186
605
1005+
28.82 ppb
0
54
101
361
1250
2050+
1.00 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
San Luis, Arizona
San Luis, Arizona
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AQI 58
Moderate
13.13μg/m³
PM2.5
63.56μg/m³
PM10
3.61ppb
O3
0.94ppb
SO2
13.27ppb
NO2
1.08ppm
CO
AQI 58
Moderate
13.19μg/m³
PM2.5
64.90μg/m³
PM10
3.04ppb
O3
0.92ppb
SO2
12.56ppb
NO2
1.11ppm
CO
AQI 27
Good
5.01μg/m³
PM2.5
28.12μg/m³
PM10
12.82ppb
O3
0.45ppb
SO2
10.76ppb
NO2
1.16ppm
CO
AQI 64
Moderate
15.90μg/m³
PM2.5
70.34μg/m³
PM10
8.09ppb
O3
1.19ppb
SO2
29.79ppb
NO2
0.66ppm
CO
AQI 58
Moderate
12.60μg/m³
PM2.5
46.00μg/m³
PM10
12.00ppb
O3
1.15ppb
SO2
28.03ppb
NO2
0.66ppm
CO
AQI 56
Moderate
11.96μg/m³
PM2.5
42.20μg/m³
PM10
12.27ppb
O3
1.16ppb
SO2
25.48ppb
NO2
0.65ppm
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 09:00:00, 2025-12-06.
The best air quality in San Luis, Arizona was observed at 08:00:00 on 2025-12-06.
The air quality in San Luis, Arizona right now is Good, with an AQI of 33.
In San Luis, Arizona, PM2.5 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 6.499 μg/m3.
San Luis, Arizona currently has a PM10 concentration of 20.128 μg/m3.
The current carbon monoxide (CO) level in San Luis, Arizona is 1.005 ppm.
The current sulfur dioxide (SO2) concentration in San Luis, Arizona is 1.115 ppb.
San Luis, Arizona currently has an ozone (O3) concentration of 5.954 ppm.
The current level of nitrogen dioxide (NO2) in San Luis, Arizona is 28.82 ppb.
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