Air Quality in Letterkenny, Ireland
Overcast
8.3°C · 90.2% humidity
8.3°
Feels 4.9°
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Letterkenny's air quality — share it
AQI Forecast
Calibrated
16
1am
15
15
24
4am
21
21
19
7am
18
18
16
10am
17
17
16
1pm
16
16
16
4pm
16
16
16
7pm
16
16
16
10pm
16
16
Station readings
15h ago
AQI 15
PM2.5 3.6 µg/m³ · 15h ago
CAMS model
adj -9
25
24
24
24
24
25
25
25
25
24
25
25
25
25
25
25
25
25
25
25
25
25
25
25
Air Quality Index Trend
5h · 1 stnLetterkenny's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.
90.2%
Humidity
23.0 km/h
Wind SSE
1016.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.8 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Letterkenny?
Temperature & Precipitation
PM2.5 Trend
5h · 1 stationPM2.55.8 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Letterkenny?
06-09
17.5° 7.0°
2.25 mm
06-10
15.6° 9.6°
1.44 mm
06-11
20.5° 11.0°
1.75 mm
06-12
13.4° 7.6°
2.81 mm
06-13
16.7° 9.5°
0.94 mm
06-14
16.3° 8.3°
0.88 mm
06-15
16.7° 9.3°
0.06 mm
Both models agree
Avg diff: 2.7°C
Where are air quality stations near Letterkenny?
19
Letterkenny, Co. Donegal, Ireland
17
Letterkenny, Co. Donegal, Ireland
26
Letterkenny, Co. Donegal, Ireland
21
Buncranna, Co. Donegal, Ireland
What cities are near Letterkenny?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T03:03 UTC.