Worst air pollution Shediac, today and tomorrow
Today (16 July): Air quality in Shediac is medium. AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 8:00 AM (O3: 41.5/100).
Tomorrow (17 July 2026): Air quality in Shediac is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 12:00 PM (O3: 33.1/100). 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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Shediac's air quality benefits from Northumberland Strait sea breezes, with Highway 15 summer-tourist traffic the primary modest local source.
Today - 16 July | Pollution peaks at 08:00
AQI:
Medium
41.5/100
PM2.5 (fine particles):
Good
8.5/100
PM10 (coarse particles):
Good
2.9/100
NO2 (nitrogen dioxide):
Good
8.2/100
O3 (ozone):
Medium
41.5/100
SO2 (sulfur dioxide):
Good
0.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
9.1/100
PM1 (ultrafine particles):
Good
9.8/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 12:00
AQI:
Fair
33.1/100
PM2.5 (fine particles):
Good
4.8/100
PM10 (coarse particles):
Good
1.9/100
NO2 (nitrogen dioxide):
Good
4.4/100
O3 (ozone):
Fair
33.1/100
SO2 (sulfur dioxide):
Good
0.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.0/100
PM1 (ultrafine particles):
Good
5.4/100
Pollen forecast in Shediac
View pollen forecastFrequently Asked Questions
Is air quality bad in Shediac right now?
On 16 July 2026, overall air quality in Shediac is medium. AQI is the main air quality indicator at 41.5/100. Pollution peaks around 8:00 AM (O3: 41.5/100).
Will air quality be worse tomorrow in Shediac?
On 17 July 2026, air quality conditions in Shediac will be worse than today, with AQI forecast at fair at 33.1/100. Pollution peaks around 12:00 PM (O3: 33.1/100).
When is air pollution at its worst in Shediac?
Shediac's air quality varies through the year, influenced by its sandy beaches and lobster-fishing harbour on the Northumberland Strait. Air quality is typically excellent for much of the year, though summer weekends bring a rise in vehicle traffic from visitors, and occasional wildfire smoke can drift in during hot, dry stretches. Weekday air quality is often noticeably better than on busy summer weekends when visitor numbers peak.
Are air quality levels in Shediac 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