Eaton Square, Dunleary, Dun Laoghaire Rathdown, 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
Eaton Square, Dunleary, Dun Laoghaire Rathdown, Ireland
AQI Trends: Highest and Lowest
Same Day Analysis (18th September ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 18 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Sep - 19th Sep 2025
Eaton Square, Dunleary, Dun Laoghaire Rathdown, Ireland
6 AM18th Sep 2025
8 PM
5 AM19th Sep 2025
21AQI
18AQI
18AQI
18AQI
In the last 24 hours,
Eaton Square's AQI reached its highest point of 21 at 12 PM during the Day, while the lowest point, 18, was recorded at 5 AM during the Night between 18th Sep and 19th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Eaton Square, Dunleary, Dun Laoghaire Rathdown, Ireland
14°C10/16°C
13°C9/17°C
16°C10/20°C
17°C14/21°C
17°C13/21°C
18°C14/23°C
16°C13/20°C
15°C12/19°C
14°C12/17°C
15°C11/18°C
14°C10/18°C
15°C12/18°C
14°C10/16°C
13°C8/18°C
13°C9/16°C
12°C8/17°C
13°C9/18°C
16°C12/18°C
15°C10/17°C
12°C7/17°C
14°C11/15°C
13°C10/16°C
12°C10/14°C
11°C8/15°C
11°C8/15°C
12°C7/17°C
13°C12/14°C
12°C9/16°C
16°C11/19°C
15°C10/20°C
--°C/°C
21AQI
20AQI
21AQI
20AQI
2025 Days Vs Air Quality
Eaton Square, Dunleary, Dun Laoghaire Rathdown, Ireland
87%
228
13%
33
Total number of days with different AQI categories in last 262 days in 2025 (103 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 262 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Eaton Square, Dunleary, Dun Laoghaire Rathdown, Ireland
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
24AQI
24AQI
31AQI
37AQI
29AQI
21AQI
20AQI
28AQI
54AQI
52AQI
35AQI
50AQI
36AQI
20AQI
29AQI
45AQI
37AQI
46AQI
52AQI
55AQI
44AQI
35AQI
29AQI
26AQI
26AQI
22AQI
36AQI
35AQI
23AQI
23AQI
29AQI
56AQI
34AQI
39AQI
25AQI
22AQI
51AQI
49AQI
39AQI
43AQI
54AQI
42AQI
53AQI
54AQI
59AQI
55AQI
45AQI
58AQI
68AQI
66AQI
35AQI
29AQI
25AQI
29AQI
29AQI
28AQI
25AQI
24AQI
35AQI
33AQI
37AQI
27AQI
25AQI
27AQI
34AQI
49AQI
46AQI
62AQI
89AQI
62AQI
27AQI
26AQI
30AQI
38AQI
33AQI
23AQI
36AQI
63AQI
68AQI
68AQI
59AQI
30AQI
23AQI
20AQI
26AQI
20AQI
18AQI
23AQI
31AQI
42AQI
32AQI
33AQI
52AQI
68AQI
65AQI
50AQI
38AQI
50AQI
61AQI
55AQI
54AQI
52AQI
41AQI
14AQI
16AQI
16AQI
14AQI
19AQI
32AQI
55AQI
32AQI
19AQI
21AQI
35AQI
33AQI
38AQI
20AQI
21AQI
27AQI
43AQI
60AQI
42AQI
24AQI
40AQI
29AQI
18AQI
20AQI
25AQI
27AQI
35AQI
35AQI
40AQI
45AQI
36AQI
37AQI
33AQI
31AQI
34AQI
34AQI
31AQI
30AQI
28AQI
39AQI
40AQI
37AQI
38AQI
35AQI
21AQI
13AQI
16AQI
24AQI
35AQI
39AQI
41AQI
42AQI
17AQI
13AQI
15AQI
30AQI
56AQI
41AQI
33AQI
35AQI
31AQI
28AQI
27AQI
24AQI
35AQI
28AQI
30AQI
27AQI
40AQI
41AQI
31AQI
20AQI
16AQI
15AQI
16AQI
16AQI
16AQI
23AQI
15AQI
16AQI
15AQI
17AQI
16AQI
16AQI
16AQI
17AQI
17AQI
18AQI
20AQI
21AQI
23AQI
24AQI
20AQI
18AQI
19AQI
17AQI
16AQI
18AQI
18AQI
16AQI
26AQI
50AQI
57AQI
41AQI
31AQI
25AQI
20AQI
16AQI
17AQI
18AQI
19AQI
20AQI
22AQI
23AQI
27AQI
27AQI
22AQI
22AQI
24AQI
26AQI
38AQI
52AQI
49AQI
35AQI
38AQI
38AQI
35AQI
37AQI
26AQI
21AQI
22AQI
23AQI
25AQI
28AQI
29AQI
26AQI
22AQI
20AQI
19AQI
21AQI
22AQI
21AQI
20AQI
19AQI
17AQI
17AQI
21AQI
21AQI
20AQI
19AQI
19AQI
17AQI
16AQI
16AQI
17AQI
19AQI
18AQI
18AQI
34AQI
42AQI
39AQI
37AQI
32AQI
29AQI
22AQI
28AQI
19AQI
No. of days
202532AQI
Highest AQI recorded in
February42AQI
Lowest AQI recorded in
September19AQI
202422AQI
Highest AQI recorded in
March55AQI
Lowest AQI recorded in
July11AQI
202316AQI
Highest AQI recorded in
September23AQI
Lowest AQI recorded in
July7AQI
202223AQI
Highest AQI recorded in
December27AQI
Lowest AQI recorded in
November18AQI
Most & Least Polluted Years Over the Last 4 Years
Eaton Square's annual 2025 AQI (32) shows an average percentage change of 59.3% (worsened AQI) compared to previous years: 2022 (23), 2023 (16), 2024 (22).