Worst air pollution SteelStacks - Bethlehem, today and tomorrow
Today (16 July): Air quality in SteelStacks 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: 37.6/100).
Tomorrow (17 July 2026): Air quality in SteelStacks is medium. AQI improves to medium; O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 12:00 PM (O3: 40.4/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Bethlehem's citywide air quality pattern extends to SteelStacks, a former steel mill site converted into an arts and events campus, without a notably different local signature. Checking conditions closer to visit time is still the best way to plan around this specific site.
Today - 16 July | Pollution peaks at 12:00
AQI:
Fair
37.6/100
PM2.5 (fine particles):
Good
11.8/100
PM10 (coarse particles):
Good
12.0/100
NO2 (nitrogen dioxide):
Good
8.4/100
O3 (ozone):
Fair
37.6/100
SO2 (sulfur dioxide):
Good
1.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.1/100
PM1 (ultrafine particles):
Good
6.5/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 12:00
AQI:
Medium
40.4/100
PM2.5 (fine particles):
Good
8.0/100
PM10 (coarse particles):
Good
3.9/100
NO2 (nitrogen dioxide):
Good
14.6/100
O3 (ozone):
Medium
40.4/100
SO2 (sulfur dioxide):
Good
1.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.9/100
PM1 (ultrafine particles):
Good
5.1/100
Other Landmarks in Bethlehem
Frequently Asked Questions
Is air quality bad in SteelStacks right now?
On 16 July 2026, overall air quality in SteelStacks is fair. AQI is the main air quality indicator at 37.6/100. Pollution peaks around 12:00 PM (O3: 37.6/100).
Will air quality be worse tomorrow in SteelStacks?
On 17 July 2026, air quality conditions in SteelStacks will be better than today, with AQI forecast at medium at 40.4/100. Pollution peaks around 12:00 PM (O3: 40.4/100).
When is air pollution at its worst in SteelStacks?
Like the rest of Bethlehem, SteelStacks sees air quality change through the year. Typically, the cleanest stretch of the year usually comes in winter, while extended summer heat waves, often worsened by regional haze, bring the toughest air quality stretch. Suburban and rural areas generally see less of the persistent traffic-driven pollution that affects the urban core.
Are air quality levels in SteelStacks 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