Worst air pollution Aronimink Golf Club – Championship Course - Philadelphia, today and tomorrow
Today (20 September): Air quality in Aronimink Golf 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: 21.1/100).
Tomorrow (21 September 2026): Air quality in Aronimink Golf Club – Championship Course is fair. All pollutants stay as today. Pollution peaks around 12:00 PM (O3: 26.9/100). 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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Aronimink Golf Club air quality reflects its Newtown Square suburban position west of Philadelphia, with vehicle traffic on surrounding roads contributing modest local sources. The broader Philadelphia metropolitan airshed adds some regional ozone on hot, still summer days, while the course's rolling, tree-lined terrain offers a degree of natural filtration from through-traffic.
Today - 20 September | Pollution peaks at 12:00
AQI:
Fair
21.1/100
PM2.5 (fine particles):
Good
19.5/100
PM10 (coarse particles):
Good
16.5/100
NO2 (nitrogen dioxide):
Good
16.8/100
O3 (ozone):
Fair
21.1/100
SO2 (sulfur dioxide):
Good
1.1/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
2.7/100
PM1 (ultrafine particles):
Good
7.8/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 12:00
AQI:
Fair
26.9/100
PM2.5 (fine particles):
Good
12.5/100
PM10 (coarse particles):
Good
12.6/100
NO2 (nitrogen dioxide):
Good
17.8/100
O3 (ozone):
Fair
26.9/100
SO2 (sulfur dioxide):
Good
2.1/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
3.8/100
PM1 (ultrafine particles):
Good
3.4/100
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Frequently Asked Questions
Is air quality bad in Aronimink Golf Club – Championship Course right now?
On 20 September 2026, overall air quality in Aronimink Golf Club – Championship Course is fair. AQI is the main air quality indicator at 21.1/100. Pollution peaks around 12:00 PM (O3: 21.1/100).
Will air quality be worse tomorrow in Aronimink Golf Club – Championship Course?
On 21 September 2026, air quality conditions in Aronimink Golf Club – Championship Course will be similar to today, with AQI forecast at fair at 26.9/100. Pollution peaks around 12:00 PM (O3: 26.9/100).
When is air pollution at its worst in Aronimink Golf Club – Championship Course?
Like the rest of Philadelphia, Aronimink Golf Club – Championship Course sees air quality change through the year. In short, the cleanest stretch of the year usually comes in winter, whereas summer heat waves bring the highest ozone risk, compounded by pollution drifting in from the wider region. Dense urban traffic corridors add a persistent background level of pollution that varies less by season than ozone does.
Are air quality levels in Aronimink Golf 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.
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: 20 September 2026 at 14:33 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.
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.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
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