Worst air pollution Fremont Street Experience - Las Vegas, today and tomorrow
Today (15 July): Air quality in Fremont Street Experience is fair. NO2 is fair; AQI and O3 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 8:00 AM (O3: 59.9/100).
Tomorrow (16 July 2026): Air quality in Fremont Street Experience is fair. PM2.5 increases to fair; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 6:00 AM (O3: 54.3/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Use our Strava plugin to check your own exposure.
Las Vegas's Fremont Street Experience air quality reflects the historic downtown Las Vegas entertainment corridor, with vehicle traffic on Fremont Street and the concentrated casino and entertainment canopy structure's operations contributing local sources. The enclosed Fremont Street canopy creates concentrated pedestrian and vehicle emissions, while the flat desert basin terrain generally allows reasonable dispersal outside the canopy zone and the corridor maintains moderate to elevated Las Vegas downtown metropolitan readings throughout most of the year.
Today - 15 July | Pollution peaks at 08:00
AQI:
Medium
59.9/100
PM2.5 (fine particles):
Good
19.2/100
PM10 (coarse particles):
Good
10.6/100
NO2 (nitrogen dioxide):
Fair
22.6/100
O3 (ozone):
Medium
59.9/100
SO2 (sulfur dioxide):
Good
6.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.7/100
PM1 (ultrafine particles):
Good
19.0/100
Levels show the poorest local air quality during the day
Tomorrow - 16 July | Pollution peaks at 06:00
AQI:
Medium
54.3/100
PM2.5 (fine particles):
Fair
22.9/100
PM10 (coarse particles):
Good
11.3/100
NO2 (nitrogen dioxide):
Fair
37.6/100
O3 (ozone):
Medium
54.3/100
SO2 (sulfur dioxide):
Good
7.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.8/100
PM1 (ultrafine particles):
Fair
22.0/100
Other Landmarks in Las Vegas
Sports venues in Las Vegas
Frequently Asked Questions
Is air quality bad in Fremont Street Experience right now?
On 15 July 2026, overall air quality in Fremont Street Experience is fair. NO2 is the main pollutant at 22.6/100. Pollution peaks around 8:00 AM (O3: 59.9/100).
Will air quality be worse tomorrow in Fremont Street Experience?
On 16 July 2026, air quality conditions in Fremont Street Experience will be similar to today, with NO2 forecast at fair at 37.6/100. Pollution peaks around 6:00 AM (O3: 54.3/100).
When is air pollution at its worst in Fremont Street Experience?
Fremont Street Experience's air quality follows a clear seasonal pattern — the calmest, cleanest stretch usually falls between late autumn and early spring, whereas spring dust storms and summer ozone together make March through September the toughest stretch. Monsoon storms in July and August can either clear the air with rain or stir up dust ahead of the storm front.
Are air quality levels in Fremont Street Experience based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
Want to see air quality forecasts for other cities in United States?
Check air quality in other popular cities:
Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app