Stay updated with real-time air quality in Las Vegas, Nevada 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)
45
Good
Las Vegas, Nevada
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.80 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.81 μg/m³
0
55
155
255
425
605+
48.72 ppb
0
55
71
86
201
201+
0.39 ppb
0
36
76
186
605
1005+
21.28 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Las Vegas, Nevada
Las Vegas, Nevada
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AQI 43
Good
2.74μg/m³
PM2.5
11.59μg/m³
PM10
45.59ppb
O3
0.21ppb
SO2
3.69ppb
NO2
0.13ppm
CO
AQI 40
Good
3.57μg/m³
PM2.5
15.49μg/m³
PM10
42.87ppb
O3
0.24ppb
SO2
4.05ppb
NO2
0.14ppm
CO
AQI 40
Good
3.23μg/m³
PM2.5
13.98μg/m³
PM10
43.24ppb
O3
0.20ppb
SO2
3.52ppb
NO2
0.13ppm
CO
AQI 38
Good
3.95μg/m³
PM2.5
17.23μg/m³
PM10
41.49ppb
O3
0.29ppb
SO2
4.82ppb
NO2
0.14ppm
CO
AQI 44
Good
2.52μg/m³
PM2.5
10.54μg/m³
PM10
47.98ppb
O3
0.28ppb
SO2
4.63ppb
NO2
0.14ppm
CO
AQI 36
Good
4.67μg/m³
PM2.5
20.50μg/m³
PM10
38.78ppb
O3
0.25ppb
SO2
4.17ppb
NO2
0.14ppm
CO
Air quality and pollutant data for Nevada, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Las Vegas, Nevada is updated every hour for accuracy.
In the past 24 hours, the air quality in Las Vegas, Nevada was at its worst at 11:00:00 on 2026-04-23.
In the last 24 hours, the best air quality in Las Vegas, Nevada was observed at 03:00:00 on 2026-04-24.
As of now, the AQI in Las Vegas, Nevada is 45, indicating Good conditions.
Las Vegas, Nevada air has the highest levels of O3.
Poor air quality in Las Vegas, Nevada means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Las Vegas, Nevada are currently 2.8 μg/m3.
The PM10 concentration in Las Vegas, Nevada is 20.812 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Las Vegas, Nevada is 0.281 ppm.
Currently, Las Vegas, Nevada has a sulfur dioxide (SO2) concentration of 0.387 ppb.
The current ozone (O3) level in Las Vegas, Nevada at the moment is 48.718 ppm.
Nitrogen dioxide (NO2) level in Las Vegas, Nevada at the moment is 21.283 ppb.
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