Worst air pollution Glenwood South - Raleigh, today and tomorrow
Today (20 September): Air quality in Glenwood South is fair. AQI, PM2.5, PM10, NO2, and O3 are fair; SO2, CO, HCHO, and PM1 are good. Pollution peaks around 8:00 AM (PM10: 39.0/100).
Tomorrow (21 September 2026): Air quality in Glenwood South is moderate. AQI worsens to moderate; NO2 increases to moderate; all other pollutants stay as today. Pollution peaks around 6:00 PM (NO2: 48.4/100). 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.
Raleigh's Glenwood South air quality reflects the vibrant entertainment and restaurant corridor, with vehicle traffic on Glenwood Avenue and the surrounding concentrated nightlife and commercial character contributing elevated NOₓ during peak periods. The flat terrain allows reasonable dispersal, while the neighbourhood's walkable character maintains moderate Raleigh metropolitan readings and Glenwood South generally tracks at typical inner Raleigh commercial entertainment corridor levels throughout the year.
Today - 20 September | Pollution peaks at 08:00
AQI:
Fair
39.0/100
PM2.5 (fine particles):
Fair
32.2/100
PM10 (coarse particles):
Fair
39.0/100
NO2 (nitrogen dioxide):
Fair
30.1/100
O3 (ozone):
Fair
22.9/100
SO2 (sulfur dioxide):
Good
1.6/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
2.9/100
PM1 (ultrafine particles):
Good
5.4/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 18:00
AQI:
Moderate
48.4/100
PM2.5 (fine particles):
Fair
38.8/100
PM10 (coarse particles):
Fair
23.5/100
NO2 (nitrogen dioxide):
Moderate
48.4/100
O3 (ozone):
Fair
23.6/100
SO2 (sulfur dioxide):
Good
3.5/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
3.9/100
PM1 (ultrafine particles):
Good
13.5/100
Other Landmarks in Raleigh
Sports venues in Raleigh
Frequently Asked Questions
Is air quality bad in Glenwood South right now?
On 20 September 2026, overall air quality in Glenwood South is fair. AQI is the main air quality indicator at 39.0/100. Pollution peaks around 8:00 AM (PM10: 39.0/100).
Will air quality be worse tomorrow in Glenwood South?
On 21 September 2026, air quality conditions in Glenwood South will be worse than today, with AQI forecast at moderate at 48.4/100. Pollution peaks around 6:00 PM (NO2: 48.4/100).
When is air pollution at its worst in Glenwood South?
Like the rest of Raleigh, Glenwood South sees air quality change through the year — the cleanest conditions usually arrive in winter, once the humid summer ozone season has ended, whereas hot, humid summer days bring the highest ozone risk, amplified by natural emissions from the dense surrounding forests. Occasional agricultural or prescribed-burning smoke can add short-lived particulate spikes outside the main summer ozone season.
Are air quality levels in Glenwood South 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: 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.
Get the full experience in the Airmine app.