Worst air pollution Sleepy Hollow Country Club – Championship Course - New York, today and tomorrow
Today (16 July): Air quality in Sleepy Hollow Country Club – Championship 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: 36.5/100).
Tomorrow (17 July 2026): Air quality in Sleepy Hollow Country Club – Championship Course is fair. All 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
Use our Strava plugin to check your own exposure.
Sleepy Hollow Country Club air quality reflects the Westchester County Hudson River position in Scarborough, with vehicle traffic on US-9 contributing local sources. The Hudson River provides limited ventilation, while the elevated Hudson Valley position and the course's mature tree canopy provide natural filtration and the club generally maintains moderate Westchester County Hudson River suburban readings throughout most of the year.
Today - 16 July | Pollution peaks at 12:00
AQI:
Fair
36.5/100
PM2.5 (fine particles):
Good
9.9/100
PM10 (coarse particles):
Good
10.2/100
NO2 (nitrogen dioxide):
Good
7.2/100
O3 (ozone):
Fair
36.5/100
SO2 (sulfur dioxide):
Good
0.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.5/100
PM1 (ultrafine particles):
Good
6.4/100
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):
Good
7.6/100
PM10 (coarse particles):
Good
3.6/100
NO2 (nitrogen dioxide):
Good
7.8/100
O3 (ozone):
Fair
38.5/100
SO2 (sulfur dioxide):
Good
0.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.9/100
PM1 (ultrafine particles):
Good
5.1/100
Other Landmarks in New York
Sports venues in New York
Frequently Asked Questions
Is air quality bad in Sleepy Hollow Country Club – Championship Course right now?
On 16 July 2026, overall air quality in Sleepy Hollow Country Club – Championship Course is fair. AQI is the main air quality indicator at 36.5/100. Pollution peaks around 12:00 PM (O3: 36.5/100).
Will air quality be worse tomorrow in Sleepy Hollow Country Club – Championship Course?
On 17 July 2026, air quality conditions in Sleepy Hollow Country Club – Championship Course 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 Sleepy Hollow Country Club – Championship Course?
At Sleepy Hollow Country Club – Championship Course, air quality tends to follow New York's broader seasonal rhythm: the cleanest conditions typically arrive with the more unsettled weather of spring and autumn, but summer heat and regional haze drifting up from the Midwest and South drive ozone spikes. Coastal sea breezes can offer some relief from inland summer ozone buildup.
Are air quality levels in Sleepy Hollow Country Club – Championship 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.
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: 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