Worst air pollution Pennsylvania State Capitol - Harrisburg, today and tomorrow
Today (16 July): Air quality in Pennsylvania State Capitol 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 Pennsylvania State Capitol 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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Given its location — a capitol building overlooking the Susquehanna River — Pennsylvania State Capitol shares Harrisburg's wider air quality pattern rather than a distinct local one. As with most sublevel sites, the broader city trend is the best guide to typical conditions here.
Today - 16 July | Pollution peaks at 09:00
AQI:
Fair
36.2/100
PM2.5 (fine particles):
Good
10.4/100
PM10 (coarse particles):
Good
8.5/100
NO2 (nitrogen dioxide):
Good
6.8/100
O3 (ozone):
Fair
36.2/100
SO2 (sulfur dioxide):
Good
1.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.2/100
PM1 (ultrafine particles):
Good
5.8/100
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
9.1/100
PM10 (coarse particles):
Good
4.9/100
NO2 (nitrogen dioxide):
Good
7.4/100
O3 (ozone):
Fair
38.9/100
SO2 (sulfur dioxide):
Good
0.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.7/100
PM1 (ultrafine particles):
Good
5.3/100
Other Landmarks in Harrisburg
Frequently Asked Questions
Is air quality bad in Pennsylvania State Capitol right now?
On 16 July 2026, overall air quality in Pennsylvania State Capitol 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 Pennsylvania State Capitol?
On 17 July 2026, air quality conditions in Pennsylvania State Capitol 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 Pennsylvania State Capitol?
Conditions at Pennsylvania State Capitol vary noticeably across the seasons — the calmest air of the year usually arrives well after the summer ozone season fades, whereas the hottest, most humid summer weeks bring the year's highest ozone readings. Suburban and rural areas generally see less of the persistent traffic-driven pollution that affects the urban core.
Are air quality levels in Pennsylvania State Capitol 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