Worst air pollution Reading, today and tomorrow
Today (16 July): Air quality in Reading is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 9:00 AM (O3: 36.2/100).
Tomorrow (17 July 2026): Air quality in Reading is fair. All pollutants stay as today. Pollution peaks around 9:00 AM (O3: 38.9/100). 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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Reading's air quality in Pennsylvania reflects the Schuylkill River valley's partial topographic enclosure between the Blue Mountain ridge to the north and the Reading Prong to the south, with vehicle emissions from US-422 and the surrounding manufacturing corridor contributing local sources. The Schuylkill provides limited ventilation, while the broader mid-Atlantic regional airshed contributes upwind industrial and urban sources from the Philadelphia corridor to the southeast.
Today - 16 July | Pollution peaks at 09:00
AQI:
Fair
36.2/100
PM2.5 (fine particles):
Good
13.3/100
PM10 (coarse particles):
Good
10.9/100
NO2 (nitrogen dioxide):
Good
17.6/100
O3 (ozone):
Fair
36.2/100
SO2 (sulfur dioxide):
Good
2.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.2/100
PM1 (ultrafine particles):
Good
7.4/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 09:00
AQI:
Fair
38.9/100
PM2.5 (fine particles):
Good
11.6/100
PM10 (coarse particles):
Good
6.3/100
NO2 (nitrogen dioxide):
Good
19.2/100
O3 (ozone):
Fair
38.9/100
SO2 (sulfur dioxide):
Good
2.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.7/100
PM1 (ultrafine particles):
Good
6.8/100
Pollen forecast in Reading
View pollen forecastAir quality forecasts for neighbourhoods and landmarks in Reading
Frequently Asked Questions
Is air quality bad in Reading right now?
On 16 July 2026, overall air quality in Reading is fair. AQI is the main air quality indicator at 36.2/100. Pollution peaks around 9:00 AM (O3: 36.2/100).
Will air quality be worse tomorrow in Reading?
On 17 July 2026, air quality conditions in Reading will be similar to today, with AQI forecast at fair at 38.9/100. Pollution peaks around 9:00 AM (O3: 38.9/100).
When is air pollution at its worst in Reading?
Like most US cities, Reading sees air quality shift from season to season, as winter generally brings the cleanest air, once the summer ozone season has passed; by contrast, hot, humid summer conditions and regional haze drive ozone spikes, especially during heat waves. Dense urban traffic corridors add a persistent background level of pollution that varies less by season than ozone does.
Are air quality levels in Reading 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?
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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