Worst air pollution Mount Houston - Houston, today and tomorrow
Today (20 September): Air quality in Mount Houston is poor. AQI and PM10 are poor; PM2.5 is moderate; NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 AM (PM10: 72.3/100).
Tomorrow (21 September 2026): Air quality in Mount Houston is moderate. AQI improves to moderate; PM10 decreases to moderate; all other pollutants stay as today. Pollution peaks around 8:00 AM (PM10: 53.8/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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In Mount Houston, the steady churn of urban traffic and commercial activity is the leading source of particulate matter locally. Green space is scarce nearby, offering little meaningful natural filtering here. Nearby areas with a similar setup tend to show a comparable air quality baseline. Actual daily readings vary with weather, time of day, and short-term local activity.
Today - 20 September | Pollution peaks at 10:00
AQI:
Poor
72.3/100
PM2.5 (fine particles):
Moderate
45.7/100
PM10 (coarse particles):
Poor
72.3/100
NO2 (nitrogen dioxide):
Good
0.3/100
O3 (ozone):
Good
14.2/100
SO2 (sulfur dioxide):
Good
0.2/100
CO (carbon monoxide):
Good
0.4/100
HCHO (formaldehyde):
Good
0.8/100
PM1 (ultrafine particles):
Good
2.8/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 08:00
AQI:
Moderate
53.8/100
PM2.5 (fine particles):
Moderate
41.3/100
PM10 (coarse particles):
Moderate
53.8/100
NO2 (nitrogen dioxide):
Good
0.4/100
O3 (ozone):
Good
15.3/100
SO2 (sulfur dioxide):
Good
0.2/100
CO (carbon monoxide):
Good
0.4/100
HCHO (formaldehyde):
Good
0.8/100
PM1 (ultrafine particles):
Good
2.2/100
Other Landmarks in Houston
Sports venues in Houston
Frequently Asked Questions
Is air quality bad in Mount Houston right now?
On 20 September 2026, overall air quality in Mount Houston is poor. AQI is the main air quality indicator at 72.3/100. Pollution peaks around 10:00 AM (PM10: 72.3/100).
Will air quality be worse tomorrow in Mount Houston?
On 21 September 2026, air quality conditions in Mount Houston will be better than today, with AQI forecast at moderate at 53.8/100. Pollution peaks around 8:00 AM (PM10: 53.8/100).
When is air pollution at its worst in Mount Houston?
From November to January, average wind speeds run around 12 km/h with temperatures near 14°C, calm and cool enough to let particulate matter and smoke build up near the ground rather than disperse. From July to September, temperatures average around 29°C, warm enough for strong sun and heat to drive ground-level ozone formation.
Are air quality levels in Mount Houston 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: 20 September 2026 at 14:33 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.
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.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
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