Air Quality in Letterkenny, Ireland
Windy
17.8°C · 66.7% humidity
17.8°
Feels 17.8°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Letterkenny's air quality — share it
AQI Forecast
Calibrated
19
4pm
19
19
28
7pm
25
24
22
10pm
21
19
18
1am
18
18
17
4am
17
17
17
7am
16
16
16
10am
16
16
16
1pm
16
16
Station readings
17
CAMS model
adj -8
27
27
27
27
27
27
27
27
25
25
25
25
25
25
25
25
24
24
24
24
24
24
24
24
Air Quality Index Trend
4h · 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.
66.7%
Humidity
48.9 km/h
Wind ENE
1025.5 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.7 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Letterkenny?
Temperature & Precipitation
PM2.5 Trend
4h · 1 stationPM2.56.7 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
Station readings (1 station within 25 km)
6.7
Median
6.7
Average
6.7
Low
6.7
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -0.4
What is the 7-day forecast for Letterkenny?
05-29
17.8° 9.1°
4.06 mm
05-30
18.2° 10.0°
3.81 mm
05-31
10.9° 7.8°
0.31 mm
06-01
19.0° 8.9°
1.25 mm
06-02
18.0° 9.3°
6.69 mm
06-03
16.8° 9.9°
0.81 mm
06-04
23.3° 13.1°
1.31 mm
Both models agree
Avg diff: 3.4°C
Where are air quality stations near Letterkenny?
40
Letterkenny, Co. Donegal, Ireland
42
Letterkenny, Co. Donegal, Ireland
36
Letterkenny, Co. Donegal, Ireland
47
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 2026-05-29T18:45 UTC.