Worst air pollution Conception Bay South, today and tomorrow
Today (16 July): Air quality in Conception Bay South is fair. PM1 is fair; AQI, NO2, and O3 are medium; PM2.5, PM10, SO2, CO, and HCHO are good. Pollution peaks around 8:30 AM (O3: 51.8/100).
Tomorrow (17 July 2026): Air quality in Conception Bay South is fair. NO2 increases to fair; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 11:30 AM (O3: 44.2/100). 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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Conception Bay South's air quality benefits from Conception Bay sea breezes, with Highway 60 commuter traffic to St. John's the primary modest local source.
Today - 16 July | Pollution peaks at 08:30
AQI:
Medium
51.8/100
PM2.5 (fine particles):
Good
16.4/100
PM10 (coarse particles):
Good
5.5/100
NO2 (nitrogen dioxide):
Medium
44.6/100
O3 (ozone):
Medium
51.8/100
SO2 (sulfur dioxide):
Good
2.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
11.5/100
PM1 (ultrafine particles):
Fair
20.2/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 11:30
AQI:
Medium
44.2/100
PM2.5 (fine particles):
Good
9.5/100
PM10 (coarse particles):
Good
2.8/100
NO2 (nitrogen dioxide):
Fair
22.7/100
O3 (ozone):
Medium
44.2/100
SO2 (sulfur dioxide):
Good
2.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.1/100
PM1 (ultrafine particles):
Good
12.3/100
Frequently Asked Questions
Is air quality bad in Conception Bay South right now?
On 16 July 2026, overall air quality in Conception Bay South is fair. PM1 is the main pollutant at 20.2/100. Pollution peaks around 8:30 AM (O3: 51.8/100).
Will air quality be worse tomorrow in Conception Bay South?
On 17 July 2026, air quality conditions in Conception Bay South will be similar to today, with NO2 forecast at fair at 22.7/100. Pollution peaks around 11:30 AM (O3: 44.2/100).
When is air pollution at its worst in Conception Bay South?
Conception Bay South's air quality rises and falls with the seasons, shaped by its shoreline suburban streets along Conception Bay. Wind and fog off the North Atlantic dominate the local climate, generally keeping the air remarkably clean apart from the rare calm, still day. The near-constant wind off the ocean rarely lets anything accumulate for long.
Are air quality levels in Conception Bay South 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.
Check air quality in other popular cities:
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