Worst air pollution Hopkinsville, today and tomorrow
Today (9 August): Air quality in Hopkinsville is fair. PM2.5, O3, and PM1 are fair; AQI and NO2 are medium; PM10, SO2, CO, and HCHO are good. Pollution peaks around 11:00 PM (NO2: 42.8/100).
Tomorrow (10 August 2026): Air quality in Hopkinsville is fair. O3 decreases to medium; SO2 increases to fair; all other pollutants stay as today. Pollution peaks around 1:00 AM (NO2: 46.2/100). 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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Humid western kentucky air is what shapes air quality most in Hopkinsville, and fall ragweed pollen brings the year's sharpest spike. Hopkinsville doesn't see much year-to-year variation in this basic pattern, though individual weeks can differ. Checking current readings is still the best way to plan outdoor activity around Hopkinsville.
Today - 9 August | Pollution peaks at 23:00
AQI:
Medium
42.8/100
PM2.5 (fine particles):
Fair
33.1/100
PM10 (coarse particles):
Good
13.3/100
NO2 (nitrogen dioxide):
Medium
42.8/100
O3 (ozone):
Fair
35.3/100
SO2 (sulfur dioxide):
Good
18.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.2/100
PM1 (ultrafine particles):
Fair
22.2/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 01:00
AQI:
Medium
46.2/100
PM2.5 (fine particles):
Fair
39.2/100
PM10 (coarse particles):
Good
16.5/100
NO2 (nitrogen dioxide):
Medium
46.2/100
O3 (ozone):
Medium
40.3/100
SO2 (sulfur dioxide):
Fair
20.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.2/100
PM1 (ultrafine particles):
Fair
25.3/100
Pollen forecast in Hopkinsville
View pollen forecastAir quality forecasts for neighbourhoods and landmarks in Hopkinsville
Frequently Asked Questions
Is air quality bad in Hopkinsville right now?
On 9 August 2026, overall air quality in Hopkinsville is fair. O3 is the main pollutant at 35.3/100. Pollution peaks around 11:00 PM (NO2: 42.8/100).
Will air quality be worse tomorrow in Hopkinsville?
On 10 August 2026, air quality conditions in Hopkinsville will be similar to today, with PM2.5 forecast at fair at 39.2/100. Pollution peaks around 1:00 AM (NO2: 46.2/100).
When is air pollution at its worst in Hopkinsville?
Hopkinsville's air quality follows a clear seasonal pattern: once summer humidity fades, winter typically offers the most consistently clean air, but long, hot, humid summers bring the year's worst ozone readings. Occasional agricultural or prescribed-burning smoke can add short-lived particulate spikes outside the main summer ozone season.
Are air quality levels in Hopkinsville 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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