Worst air pollution Union, today and tomorrow
Today (30 August): Air quality in Union is moderate. AQI and NO2 are moderate; O3 is fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 PM (NO2: 43.9/100).
Tomorrow (31 August 2026): Air quality in Union is moderate. All pollutants stay as today. Pollution peaks around 1:00 AM (NO2: 47.4/100). 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.
Union's air quality reflects its position in the Susquehanna River valley of Broome County, part of the Binghamton metropolitan area, with vehicle emissions from I-86 and NY-17 and the surrounding suburban and light industrial character contributing local sources. The valley's surrounding hills create modest topographic enclosure, while summer regional ozone from the broader Northeast corridor is the primary warm-season concern throughout the year.
Today - 30 August | Pollution peaks at 23:00
AQI:
Moderate
43.9/100
PM2.5 (fine particles):
Good
7.9/100
PM10 (coarse particles):
Good
3.2/100
NO2 (nitrogen dioxide):
Moderate
43.9/100
O3 (ozone):
Fair
38.1/100
SO2 (sulfur dioxide):
Good
2.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.7/100
PM1 (ultrafine particles):
Good
6.3/100
Levels show the poorest local air quality during the day
Tomorrow - 31 August | Pollution peaks at 01:00
AQI:
Moderate
47.4/100
PM2.5 (fine particles):
Good
9.5/100
PM10 (coarse particles):
Good
5.1/100
NO2 (nitrogen dioxide):
Moderate
47.4/100
O3 (ozone):
Fair
37.1/100
SO2 (sulfur dioxide):
Good
3.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.3/100
PM1 (ultrafine particles):
Good
6.9/100
Pollen forecast in Union
View pollen forecastFrequently Asked Questions
Is air quality bad in Union right now?
On 30 August 2026, overall air quality in Union is moderate. AQI is the main air quality indicator at 43.9/100. Pollution peaks around 11:00 PM (NO2: 43.9/100).
Will air quality be worse tomorrow in Union?
On 31 August 2026, air quality conditions in Union will be similar to today, with AQI forecast at moderate at 47.4/100. Pollution peaks around 1:00 AM (NO2: 47.4/100).
When is air pollution at its worst in Union?
Air quality across Union rises and falls with the seasons, as the cleanest conditions typically arrive with the more unsettled weather of spring and autumn; by contrast, summer heat and regional haze drifting up from the Midwest and South drive ozone spikes. Winter cold fronts tend to clear the air quickly, so extended pollution episodes are relatively uncommon.
Are air quality levels in Union 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: 30 August 2026 at 14:32 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.