Air Quality in Letterkenny, Ireland
Cloudy
13.3°C · 71.9% humidity
13.3°
Feels 13.3°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Letterkenny's air quality — share it
AQI Forecast
Calibrated
20
4pm
20
20
28
7pm
26
24
23
10pm
20
20
19
1am
19
19
18
4am
18
17
17
7am
17
17
17
10am
17
17
17
1pm
17
17
Station readings
23
22
CAMS model
adj -7
27
27
27
27
27
27
27
25
25
25
25
25
25
25
24
24
24
24
24
24
24
24
24
24
Air Quality Index Trend
33h · 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.
71.9%
Humidity
35.5 km/h
Wind WSW
1028.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.68 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Letterkenny?
Temperature & Precipitation
PM2.5 Trend
33h · 1 stationPM2.56.68 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Letterkenny?
09-05
15.1° 6.5°
09-06
16.2° 8.9°
2.88 mm
09-07
14.4° 11.8°
4.94 mm
09-08
19.0° 5.2°
1.19 mm
09-09
14.3° 7.3°
1.0 mm
09-10
15.2° 10.7°
13.44 mm
09-11
11.8° 9.4°
1.44 mm
Both models agree
Avg diff: 2.9°C
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 2026-09-05T18:58 UTC.