Worst air pollution Congressional Country Club – Blue Course - Bethesda, today and tomorrow
Today (9 August): Air quality in Congressional Country Club – Blue Course is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (O3: 35.2/100).
Tomorrow (10 August 2026): Air quality in Congressional Country Club – Blue Course is fair. All pollutants stay as today. Pollution peaks around 8:00 AM (O3: 35.7/100). Airmine updates local air quality forecasts four times daily.
Get the full experience in the Airmine app.
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Follow your pollen exposure and performance with the free Airmine–Strava integration. See your pollen and air quality exposure for every Strava activity.
Congressional Country Club Blue Course air quality reflects the Maryland Bethesda suburban position in Montgomery County, with vehicle traffic on surrounding roads contributing local sources. The broader Washington DC metropolitan airshed contributes regional ozone, while the Potomac River gorge provides limited ventilation and the course's extraordinary mature tree canopy provides natural filtration, generally maintaining moderate Maryland suburban readings throughout most of the year.
Today - 9 August | Pollution peaks at 12:00
AQI:
Fair
35.2/100
PM2.5 (fine particles):
Good
10.4/100
PM10 (coarse particles):
Good
3.9/100
NO2 (nitrogen dioxide):
Good
5.3/100
O3 (ozone):
Fair
35.2/100
SO2 (sulfur dioxide):
Good
1.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.7/100
PM1 (ultrafine particles):
Good
7.2/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 08:00
AQI:
Fair
35.7/100
PM2.5 (fine particles):
Good
9.6/100
PM10 (coarse particles):
Good
3.9/100
NO2 (nitrogen dioxide):
Good
4.0/100
O3 (ozone):
Fair
35.7/100
SO2 (sulfur dioxide):
Good
1.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.0/100
PM1 (ultrafine particles):
Good
6.7/100
Sports venues in Bethesda
Frequently Asked Questions
Is air quality bad in Congressional Country Club – Blue Course right now?
On 9 August 2026, overall air quality in Congressional Country Club – Blue Course is fair. AQI is the main air quality indicator at 35.2/100. Pollution peaks around 12:00 PM (O3: 35.2/100).
Will air quality be worse tomorrow in Congressional Country Club – Blue Course?
On 10 August 2026, air quality conditions in Congressional Country Club – Blue Course will be similar to today, with AQI forecast at fair at 35.7/100. Pollution peaks around 8:00 AM (O3: 35.7/100).
When is air pollution at its worst in Congressional Country Club – Blue Course?
Congressional Country Club – Blue Course's air quality follows a clear seasonal pattern. In short, winter generally brings the cleanest air, once the summer ozone season has passed, whereas extended summer heat waves, often worsened by regional haze, bring the toughest air quality stretch. Suburban and rural areas generally see less of the persistent traffic-driven pollution that affects the urban core.
Are air quality levels in Congressional Country Club – Blue Course 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.
Want to see air quality forecasts for other cities in United States?
Check air quality in other popular cities:
Data provided by Airmine — Last update: 10 August 2026 at 02:34 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.
Get the full experience in the Airmine app.