Worst air pollution Sussex, today and tomorrow
Today (16 July): Air quality in Sussex is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 8:00 AM (O3: 36.7/100).
Tomorrow (17 July 2026): Air quality in Sussex is fair. All pollutants stay as today. Pollution peaks around 9:00 AM (O3: 30.9/100). 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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Sussex's air quality reflects its small agricultural-town character, with Trans-Canada Highway traffic the primary modest local source.
Today - 16 July | Pollution peaks at 08:00
AQI:
Fair
36.7/100
PM2.5 (fine particles):
Good
8.1/100
PM10 (coarse particles):
Good
3.1/100
NO2 (nitrogen dioxide):
Fair
29.7/100
O3 (ozone):
Fair
36.7/100
SO2 (sulfur dioxide):
Good
3.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.0/100
PM1 (ultrafine particles):
Good
7.5/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 09:00
AQI:
Fair
30.9/100
PM2.5 (fine particles):
Good
9.5/100
PM10 (coarse particles):
Good
3.5/100
NO2 (nitrogen dioxide):
Fair
23.3/100
O3 (ozone):
Fair
30.9/100
SO2 (sulfur dioxide):
Good
2.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.9/100
PM1 (ultrafine particles):
Good
8.0/100
Pollen forecast in Sussex
View pollen forecastFrequently Asked Questions
Is air quality bad in Sussex right now?
On 16 July 2026, overall air quality in Sussex is fair. AQI is the main air quality indicator at 36.7/100. Pollution peaks around 8:00 AM (O3: 36.7/100).
Will air quality be worse tomorrow in Sussex?
On 17 July 2026, air quality conditions in Sussex will be similar to today, with AQI forecast at fair at 30.9/100. Pollution peaks around 9:00 AM (O3: 30.9/100).
When is air pollution at its worst in Sussex?
Air quality in Sussex shifts noticeably across the seasons, shaped by the dairy farmland of the Kennebecasis Valley. Air quality is generally good, though spring and fall fieldwork stir up dust and occasional agricultural burning, and summer humidity can trap haze close to the ground. Wind can carry dust well beyond the fields themselves during the busiest planting and harvest weeks.
Are air quality levels in Sussex 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: 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