Air Quality in Letterkenny, Ireland
Rain
13.1°C · 88.0% humidity
13.1°
Feels 13.1°
16
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Letterkenny's air quality — share it
AQI Forecast
Calibrated
15
4am
13
13
16
7am
13
13
13
10am
13
13
13
1pm
15
15
15
4pm
13
13
12
7pm
12
12
12
10pm
13
13
13
1am
13
13
Station readings
7
15
CAMS model
adj -12
27
25
25
25
25
25
25
25
25
25
27
27
27
25
25
24
24
24
24
25
25
25
25
25
Air Quality Index Trend
27h · 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.
88.0%
Humidity
82.6 km/h
Wind WNW
1006.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
3.8 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Letterkenny?
Temperature & Precipitation
PM2.5 Trend
27h · 1 stationPM2.53.8 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
3.8
Median
3.8
Average
3.8
Low
3.8
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +2.1
What is the 7-day forecast for Letterkenny?
08-03
18.7° 11.6°
4.25 mm
08-04
18.2° 10.6°
2.63 mm
08-05
15.9° 9.9°
1.69 mm
08-06
17.0° 12.8°
0.81 mm
08-07
16.0° 10.2°
3.75 mm
08-08
18.7° 9.3°
0.69 mm
08-09
15.6° 10.1°
1.31 mm
Both models agree
Avg diff: 2.7°C
Where are air quality stations near Letterkenny?
31
Letterkenny, Co. Donegal, Ireland
15
Buncranna, Co. Donegal, Ireland
7
Buncranna, Co. Donegal, Ireland
What cities are near Letterkenny?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T06:39 UTC.