Worst air pollution Morrell Park - Philadelphia, today and tomorrow
Today (20 September): Air quality in Morrell Park is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (O3: 26.9/100).
Tomorrow (21 September 2026): Air quality in Morrell Park is fair. All pollutants stay as today. Pollution peaks around 12:00 PM (O3: 30.4/100). Airmine updates local air quality forecasts four times daily.
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In Morrell Park, congested streets and dense urban activity keep particulate matter and nitrogen dioxide readings consistently on the higher side. Green space close by offers a partial natural check on particulate buildup. Broader regional monitoring generally reflects this same baseline, with small local variation. Daily conditions can shift noticeably depending on wind, temperature, and traffic patterns.
Today - 20 September | Pollution peaks at 12:00
AQI:
Fair
26.9/100
PM2.5 (fine particles):
Good
17.9/100
PM10 (coarse particles):
Good
14.6/100
NO2 (nitrogen dioxide):
Fair
26.0/100
O3 (ozone):
Fair
26.9/100
SO2 (sulfur dioxide):
Good
2.0/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
3.1/100
PM1 (ultrafine particles):
Good
4.6/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 12:00
AQI:
Fair
30.4/100
PM2.5 (fine particles):
Good
17.6/100
PM10 (coarse particles):
Good
13.3/100
NO2 (nitrogen dioxide):
Fair
27.6/100
O3 (ozone):
Fair
30.4/100
SO2 (sulfur dioxide):
Good
2.3/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
4.0/100
PM1 (ultrafine particles):
Good
3.8/100
Other Landmarks in Philadelphia
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Frequently Asked Questions
Is air quality bad in Morrell Park right now?
On 20 September 2026, overall air quality in Morrell Park is fair. AQI is the main air quality indicator at 26.9/100. Pollution peaks around 12:00 PM (O3: 26.9/100).
Will air quality be worse tomorrow in Morrell Park?
On 21 September 2026, air quality conditions in Morrell Park will be similar to today, with AQI forecast at fair at 30.4/100. Pollution peaks around 12:00 PM (O3: 30.4/100).
When is air pollution at its worst in Morrell Park?
Particulate levels here tend to peak during the winter months more than any other season, as cold, stagnant air traps heating and traffic emissions close to street level through the winter. Summer shifts the concern toward ground-level ozone across the city, with summer's combination of heat, sun, and dense traffic driving some of the year's highest ozone readings.
Are air quality levels in Morrell Park 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 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.
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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