Worst air pollution Long Wharf - New Haven, today and tomorrow
Today (13 July): Air quality in Long Wharf is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 AM (O3: 36.9/100).
Tomorrow (14 July 2026): Air quality in Long Wharf is fair. All pollutants stay as today. Pollution peaks around 8:00 AM (O3: 36.6/100). 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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New Haven's Long Wharf air quality reflects the industrial and distribution waterfront on New Haven Harbour, with vehicle traffic on the I-95 expressway and the surrounding logistics and commercial character contributing elevated diesel PM2.5. The Long Island Sound maritime exposure provides ventilation, while the I-95 freight corridor and the industrial port character maintain moderate to above-average New Haven harbour readings throughout most of the year.
Today - 13 July | Pollution peaks at 11:00
AQI:
Fair
36.9/100
PM2.5 (fine particles):
Good
10.5/100
PM10 (coarse particles):
Good
8.9/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
36.9/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
3.8/100
PM1 (ultrafine particles):
Good
6.7/100
Levels show the poorest local air quality during the day
Tomorrow - 14 July | Pollution peaks at 08:00
AQI:
Fair
36.6/100
PM2.5 (fine particles):
Good
9.3/100
PM10 (coarse particles):
Good
6.1/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
36.6/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
3.9/100
PM1 (ultrafine particles):
Good
6.4/100
Other Landmarks in New Haven
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Frequently Asked Questions
Is air quality bad in Long Wharf right now?
On 13 July 2026, overall air quality in Long Wharf is fair. AQI is the main air quality indicator at 36.9/100. Pollution peaks around 11:00 AM (O3: 36.9/100).
Will air quality be worse tomorrow in Long Wharf?
On 14 July 2026, air quality conditions in Long Wharf will be similar to today, with AQI forecast at fair at 36.6/100. Pollution peaks around 8:00 AM (O3: 36.6/100).
When is air pollution at its worst in Long Wharf?
Long Wharf's air quality follows a clear seasonal pattern, as spring and autumn generally bring the cleanest air, helped by more active weather patterns; by contrast, summer heat waves, often worsened by haze drifting in from other regions, bring the year's worst air. Winter cold fronts tend to clear the air quickly, so extended pollution episodes are relatively uncommon.
Are air quality levels in Long Wharf 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.
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Data provided by Airmine — Last update: 13 July 2026 at 21:48 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