Worst air pollution Killarney, today and tomorrow
Today (16 July): Air quality in Killarney is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 PM (O3: 31.6/100).
Tomorrow (17 July 2026): Air quality in Killarney is fair. All pollutants stay as today. Pollution peaks around 3:00 PM (O3: 37.8/100). 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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Killarney's air quality benefits from its lakeland position beneath Ireland's highest mountains, with tourist coach traffic the primary local source amid otherwise excellent Atlantic-influenced mountain-lake ventilation.
Today - 16 July | Pollution peaks at 16:00
AQI:
Fair
31.6/100
PM2.5 (fine particles):
Good
11.3/100
PM10 (coarse particles):
Good
4.0/100
NO2 (nitrogen dioxide):
Fair
24.8/100
O3 (ozone):
Fair
31.6/100
SO2 (sulfur dioxide):
Good
4.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.8/100
PM1 (ultrafine particles):
Good
10.0/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 15:00
AQI:
Fair
37.8/100
PM2.5 (fine particles):
Good
17.4/100
PM10 (coarse particles):
Good
6.0/100
NO2 (nitrogen dioxide):
Fair
31.6/100
O3 (ozone):
Fair
37.8/100
SO2 (sulfur dioxide):
Good
7.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.0/100
PM1 (ultrafine particles):
Good
15.5/100
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Frequently Asked Questions
Is air quality bad in Killarney right now?
On 16 July 2026, overall air quality in Killarney is fair. AQI is the main air quality indicator at 31.6/100. Pollution peaks around 4:00 PM (O3: 31.6/100).
Will air quality be worse tomorrow in Killarney?
On 17 July 2026, air quality conditions in Killarney will be similar to today, with AQI forecast at fair at 37.8/100. Pollution peaks around 3:00 PM (O3: 37.8/100).
When is air pollution at its worst in Killarney?
Killarney's air quality follows a seasonal rhythm tied to its lakeside gateway setting to the Kerry mountains. Turf and coal smoke can build up on still, cold winter nights, while the wetter, windier months of the rest of the year usually keep the air clean. Away from the town centre, conditions tend to stay a little cleaner even on the stillest winter nights.
Are air quality levels in Killarney 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.
Want to see air quality forecasts for other cities in Ireland?
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