The Close, Dunboyne, Meath, 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
The Close, Dunboyne, Meath, Ireland
AQI Trends: Highest and Lowest
Same Day Analysis (23rd September ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 22 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 23rd Sep - 24th Sep 2025
The Close, Dunboyne, Meath, Ireland
6 AM23rd Sep 2025
7 PM
5 AM24th Sep 2025
AQI
AQI
26AQI
17AQI
In the last 24 hours,
The Close's AQI reached its highest point of 26 at 8 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 23rd Sep and 24th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
The Close, Dunboyne, Meath, Ireland
18°C13/23°C
15°C12/19°C
14°C11/18°C
13°C12/16°C
14°C12/17°C
14°C10/18°C
14°C12/18°C
13°C10/16°C
13°C8/17°C
13°C9/16°C
12°C8/17°C
13°C9/17°C
16°C11/19°C
15°C11/18°C
11°C7/16°C
14°C10/16°C
13°C10/17°C
11°C10/13°C
11°C8/14°C
10°C8/14°C
11°C7/16°C
12°C11/13°C
12°C9/15°C
15°C11/18°C
14°C9/18°C
14°C12/15°C
11°C8/14°C
8°C5/12°C
8°C4/13°C
--°C/°C
--°C/°C
20AQI
19AQI
20AQI
19AQI
2025 Days Vs Air Quality
The Close, Dunboyne, Meath, Ireland
87%
231
13%
35
Total number of days with different AQI categories in last 267 days in 2025 (98 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 267 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
The Close, Dunboyne, Meath, Ireland
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI
31AQI
49AQI
52AQI
46AQI
21AQI
20AQI
35AQI
71AQI
68AQI
45AQI
64AQI
40AQI
37AQI
33AQI
31AQI
28AQI
33AQI
42AQI
50AQI
44AQI
37AQI
31AQI
26AQI
27AQI
21AQI
29AQI
36AQI
25AQI
29AQI
30AQI
67AQI
35AQI
32AQI
23AQI
20AQI
56AQI
62AQI
41AQI
43AQI
56AQI
47AQI
53AQI
54AQI
59AQI
55AQI
45AQI
60AQI
66AQI
65AQI
29AQI
29AQI
25AQI
33AQI
29AQI
28AQI
23AQI
23AQI
46AQI
38AQI
41AQI
29AQI
26AQI
25AQI
36AQI
44AQI
42AQI
64AQI
92AQI
63AQI
30AQI
28AQI
35AQI
47AQI
44AQI
25AQI
36AQI
65AQI
73AQI
64AQI
62AQI
26AQI
24AQI
24AQI
34AQI
22AQI
19AQI
26AQI
33AQI
42AQI
30AQI
34AQI
48AQI
65AQI
61AQI
48AQI
41AQI
52AQI
61AQI
57AQI
56AQI
56AQI
42AQI
16AQI
17AQI
15AQI
17AQI
21AQI
25AQI
55AQI
38AQI
21AQI
20AQI
31AQI
23AQI
23AQI
19AQI
19AQI
28AQI
46AQI
59AQI
32AQI
21AQI
21AQI
19AQI
29AQI
30AQI
32AQI
39AQI
40AQI
47AQI
43AQI
46AQI
42AQI
39AQI
34AQI
31AQI
38AQI
38AQI
38AQI
32AQI
33AQI
34AQI
30AQI
17AQI
21AQI
18AQI
21AQI
16AQI
22AQI
19AQI
15AQI
21AQI
16AQI
22AQI
16AQI
14AQI
14AQI
40AQI
59AQI
43AQI
34AQI
37AQI
34AQI
31AQI
23AQI
26AQI
34AQI
27AQI
38AQI
31AQI
42AQI
41AQI
23AQI
18AQI
15AQI
14AQI
15AQI
14AQI
15AQI
16AQI
14AQI
15AQI
14AQI
16AQI
16AQI
16AQI
16AQI
17AQI
16AQI
16AQI
17AQI
17AQI
19AQI
19AQI
16AQI
17AQI
17AQI
15AQI
16AQI
18AQI
16AQI
15AQI
33AQI
54AQI
51AQI
33AQI
27AQI
22AQI
17AQI
15AQI
16AQI
19AQI
20AQI
20AQI
22AQI
23AQI
27AQI
26AQI
19AQI
22AQI
22AQI
26AQI
41AQI
53AQI
46AQI
35AQI
38AQI
38AQI
34AQI
37AQI
29AQI
23AQI
23AQI
24AQI
26AQI
28AQI
28AQI
26AQI
20AQI
19AQI
18AQI
20AQI
22AQI
21AQI
18AQI
18AQI
17AQI
17AQI
22AQI
21AQI
19AQI
18AQI
18AQI
16AQI
16AQI
17AQI
18AQI
21AQI
18AQI
15AQI
15AQI
17AQI
16AQI
19AQI
22AQI
37AQI
43AQI
41AQI
36AQI
32AQI
26AQI
20AQI
27AQI
18AQI
No. of days
202531AQI
Highest AQI recorded in
February43AQI
Lowest AQI recorded in
September18AQI
202433AQI
Highest AQI recorded in
September48AQI
Lowest AQI recorded in
July18AQI
202331AQI
Highest AQI recorded in
June44AQI
Lowest AQI recorded in
July16AQI
202242AQI
Highest AQI recorded in
December58AQI
Lowest AQI recorded in
November27AQI
Most & Least Polluted Years Over the Last 4 Years
The Close's annual 2025 AQI (31) shows an average percentage change of -9.1% (improved AQI) compared to previous years: 2022 (42), 2023 (31), 2024 (33).