Worst air pollution Hillcrest - Steubenville, today and tomorrow
Today (9 August): Air quality in Hillcrest is fair. AQI, NO2, O3, and PM1 are fair; PM2.5, PM10, SO2, CO, and HCHO are good. Pollution peaks around 9:00 AM (O3: 34.2/100).
Tomorrow (10 August 2026): Air quality in Hillcrest is fair. PM2.5 increases to fair; all other pollutants stay as today. Pollution peaks around 10:00 AM (O3: 35.6/100). Airmine updates local air quality forecasts four times daily.
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In Hillcrest, modest traffic volumes mean local air quality leans more on farmland dust and seasonal burning than on vehicle emissions. Tree cover around 100-200 meters from here softens the impact somewhat, catching particulates before they disperse further. Broader regional monitoring generally reflects this same baseline, with small local variation.
Today - 9 August | Pollution peaks at 09:00
AQI:
Fair
34.2/100
PM2.5 (fine particles):
Good
19.2/100
PM10 (coarse particles):
Good
5.5/100
NO2 (nitrogen dioxide):
Fair
29.3/100
O3 (ozone):
Fair
34.2/100
SO2 (sulfur dioxide):
Good
3.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.7/100
PM1 (ultrafine particles):
Fair
24.3/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 10:00
AQI:
Fair
35.6/100
PM2.5 (fine particles):
Fair
26.2/100
PM10 (coarse particles):
Good
8.2/100
NO2 (nitrogen dioxide):
Fair
34.9/100
O3 (ozone):
Fair
35.6/100
SO2 (sulfur dioxide):
Good
3.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.7/100
PM1 (ultrafine particles):
Fair
31.5/100
Other Landmarks in Steubenville
Frequently Asked Questions
Is air quality bad in Hillcrest right now?
On 9 August 2026, overall air quality in Hillcrest is fair. AQI is the main air quality indicator at 34.2/100. Pollution peaks around 9:00 AM (O3: 34.2/100).
Will air quality be worse tomorrow in Hillcrest?
On 10 August 2026, air quality conditions in Hillcrest will be similar to today, with AQI forecast at fair at 35.6/100. Pollution peaks around 10:00 AM (O3: 35.6/100).
When is air pollution at its worst in Hillcrest?
Cold-season conditions typically drive the sharpest particulate increases around here, driven by heating season smoke that lingers under stagnant, cold winter air. As temperatures rise, ozone typically becomes the dominant summer issue around here, as warm, sunny conditions drive ozone formation, sometimes worsened by smoke from distant wildfires. Spring and autumn tend to offer a breather, with steadier winds helping keep pollutant levels down.
Are air quality levels in Hillcrest 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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