Drogheda, County Louth, Ireland Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Drogheda, County Louth, Ireland
AQI Trends: Highest and Lowest
Same Day Analysis (26th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 23 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 27th Sep - 28th Sep 2025
Drogheda, County Louth, Ireland
6 AM27th Sep 2025
7 PM
5 AM28th Sep 2025
50AQI
39AQI
56AQI
30AQI
In the last 24 hours,
Drogheda's AQI reached its highest point of 56 at 6 AM during the Night, while the lowest point, 30, was recorded at 2 AM during the Night between 27th Sep and 28th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Drogheda, County Louth, Ireland
14°C12/18°C
14°C10/17°C
15°C12/17°C
14°C11/16°C
13°C9/16°C
14°C10/16°C
13°C9/17°C
13°C10/17°C
16°C13/17°C
15°C11/16°C
12°C8/16°C
14°C11/15°C
14°C11/15°C
12°C10/14°C
12°C9/15°C
11°C8/14°C
12°C9/15°C
13°C12/14°C
13°C10/15°C
15°C12/17°C
14°C10/17°C
14°C12/15°C
12°C10/14°C
9°C6/12°C
10°C6/13°C
10°C7/13°C
13°C10/15°C
12°C10/15°C
13°C11/14°C
12°C8/14°C
--°C/°C
27AQI
22AQI
26AQI
22AQI
2025 Days Vs Air Quality
Drogheda, County Louth, Ireland
96%
116
4%
5
Total number of days with different AQI categories in last 271 days in 2025 (94 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2025, 96% of 271 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Drogheda, County Louth, Ireland
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
15AQI
18AQI
19AQI
19AQI
19AQI
24AQI
23AQI
21AQI
15AQI
14AQI
17AQI
53AQI
52AQI
41AQI
35AQI
33AQI
31AQI
27AQI
24AQI
31AQI
30AQI
30AQI
29AQI
36AQI
37AQI
30AQI
26AQI
21AQI
18AQI
19AQI
19AQI
20AQI
20AQI
18AQI
17AQI
15AQI
18AQI
18AQI
17AQI
16AQI
18AQI
18AQI
19AQI
21AQI
25AQI
27AQI
27AQI
24AQI
21AQI
25AQI
23AQI
20AQI
18AQI
19AQI
17AQI
29AQI
51AQI
55AQI
46AQI
36AQI
29AQI
24AQI
19AQI
19AQI
18AQI
19AQI
20AQI
22AQI
24AQI
28AQI
28AQI
24AQI
27AQI
28AQI
26AQI
36AQI
51AQI
48AQI
35AQI
38AQI
39AQI
34AQI
34AQI
24AQI
20AQI
20AQI
22AQI
25AQI
30AQI
29AQI
26AQI
21AQI
20AQI
19AQI
22AQI
23AQI
22AQI
20AQI
17AQI
17AQI
17AQI
21AQI
21AQI
19AQI
19AQI
19AQI
17AQI
16AQI
17AQI
18AQI
19AQI
19AQI
23AQI
23AQI
23AQI
21AQI
19AQI
21AQI
25AQI
29AQI
23AQI
17AQI
27AQI
24AQI
28AQI
20AQI
No. of days
202525AQI
Highest AQI recorded in
August28AQI
Lowest AQI recorded in
May17AQI
Most & Least Polluted Years Over the Last 1 Years
Drogheda's annual 2025 AQI (25) shows an average percentage change of NaN% (improved AQI) compared to previous years: .