Worst air pollution Henderson, today and tomorrow
Today (9 August): Air quality in Henderson is medium. AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 AM (O3: 42.1/100).
Tomorrow (10 August 2026): Air quality in Henderson is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 8:00 AM (O3: 36.4/100). Airmine updates local air quality forecasts four times daily.
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Henderson's air quality reflects the Las Vegas Valley's enclosed Mojave Desert basin, sharing the valley's notorious temperature inversion problem with its concentration of vehicle emissions from the I-215 beltway alongside industrial emissions from the Basic Magnesium industrial corridor and chemical manufacturing plants that are Henderson's legacy. Windblown desert dust from the surrounding Nevada desert contributes elevated PM10, while summer heat drives ozone formation from the dense Las Vegas metropolitan traffic.
Today - 9 August | Pollution peaks at 05:00
AQI:
Medium
42.1/100
PM2.5 (fine particles):
Good
13.9/100
PM10 (coarse particles):
Good
5.1/100
NO2 (nitrogen dioxide):
Good
1.7/100
O3 (ozone):
Medium
42.1/100
SO2 (sulfur dioxide):
Good
0.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.3/100
PM1 (ultrafine particles):
Good
13.1/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 08:00
AQI:
Fair
36.4/100
PM2.5 (fine particles):
Good
12.1/100
PM10 (coarse particles):
Good
4.6/100
NO2 (nitrogen dioxide):
Good
1.2/100
O3 (ozone):
Fair
36.4/100
SO2 (sulfur dioxide):
Good
0.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.3/100
PM1 (ultrafine particles):
Good
9.4/100
Pollen forecast in Henderson
View pollen forecastFrequently Asked Questions
Is air quality bad in Henderson right now?
On 9 August 2026, overall air quality in Henderson is medium. AQI is the main air quality indicator at 42.1/100. Pollution peaks around 5:00 AM (O3: 42.1/100).
Will air quality be worse tomorrow in Henderson?
On 10 August 2026, air quality conditions in Henderson will be worse than today, with AQI forecast at fair at 36.4/100. Pollution peaks around 8:00 AM (O3: 36.4/100).
When is air pollution at its worst in Henderson?
Henderson sees air quality change through the year — the cooler winter months typically bring the cleanest air of the year, 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 Henderson 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.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 9 August 2026 at 20:27 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.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
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