Worst air pollution Mill Mountain Star - Roanoke, today and tomorrow
Today (16 July): Air quality in Mill Mountain Star is fair. PM2.5 and NO2 are fair; AQI and O3 are medium; PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (O3: 44.7/100).
Tomorrow (17 July 2026): Air quality in Mill Mountain Star is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 1:00 PM (O3: 38.5/100). 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
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As a large illuminated star landmark overlooking the city from Mill Mountain, Mill Mountain Star experiences air quality conditions similar to the rest of Roanoke, following the same broader regional pattern. Local traffic and immediate surroundings can shift day-to-day readings slightly from the citywide figure.
Today - 16 July | Pollution peaks at 12:00
AQI:
Medium
44.7/100
PM2.5 (fine particles):
Fair
24.7/100
PM10 (coarse particles):
Good
12.7/100
NO2 (nitrogen dioxide):
Fair
29.8/100
O3 (ozone):
Medium
44.7/100
SO2 (sulfur dioxide):
Good
6.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.2/100
PM1 (ultrafine particles):
Good
16.2/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 13:00
AQI:
Fair
38.5/100
PM2.5 (fine particles):
Fair
23.1/100
PM10 (coarse particles):
Good
9.7/100
NO2 (nitrogen dioxide):
Fair
23.0/100
O3 (ozone):
Fair
38.5/100
SO2 (sulfur dioxide):
Good
8.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.3/100
PM1 (ultrafine particles):
Good
13.1/100
Other Landmarks in Roanoke
Frequently Asked Questions
Is air quality bad in Mill Mountain Star right now?
On 16 July 2026, overall air quality in Mill Mountain Star is fair. NO2 is the main pollutant at 29.8/100. Pollution peaks around 12:00 PM (O3: 44.7/100).
Will air quality be worse tomorrow in Mill Mountain Star?
On 17 July 2026, air quality conditions in Mill Mountain Star will be similar to today, with AQI forecast at fair at 38.5/100. Pollution peaks around 1:00 PM (O3: 38.5/100).
When is air pollution at its worst in Mill Mountain Star?
Mill Mountain Star's air quality follows a clear seasonal pattern — the cleanest stretch of the year usually comes in winter, whereas the hottest, most humid summer weeks bring the year's highest ozone readings. Dense urban traffic corridors add a persistent background level of pollution that varies less by season than ozone does.
Are air quality levels in Mill Mountain Star 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?
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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