Knock Aulin, 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
Knock Aulin, Dunboyne, Meath, Ireland
AQI Trends: Highest and Lowest
Same Day Analysis (22nd September ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 17 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 22nd Sep - 23rd Sep 2025
Knock Aulin, Dunboyne, Meath, Ireland
6 AM22nd Sep 2025
8 PM
5 AM23rd Sep 2025
18AQI
14AQI
18AQI
15AQI
In the last 24 hours,
Knock Aulin's AQI reached its highest point of 18 at 8 AM during the Day, while the lowest point, 14, was recorded at 12 PM during the Day between 22nd Sep and 23rd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Knock Aulin, Dunboyne, Meath, Ireland
17°C13/21°C
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
23AQI
20AQI
23AQI
21AQI
2025 Days Vs Air Quality
Knock Aulin, Dunboyne, Meath, Ireland
83%
220
17%
45
Total number of days with different AQI categories in last 266 days in 2025 (99 days remaining)
Under WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2025, 83% of 266 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
Knock Aulin, Dunboyne, Meath, Ireland
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
24AQI
34AQI
53AQI
60AQI
59AQI
34AQI
33AQI
45AQI
79AQI
77AQI
67AQI
71AQI
50AQI
40AQI
49AQI
51AQI
48AQI
44AQI
50AQI
56AQI
57AQI
54AQI
53AQI
39AQI
38AQI
38AQI
41AQI
48AQI
32AQI
37AQI
40AQI
70AQI
39AQI
33AQI
29AQI
26AQI
61AQI
64AQI
46AQI
45AQI
55AQI
47AQI
57AQI
59AQI
62AQI
61AQI
51AQI
63AQI
71AQI
73AQI
36AQI
32AQI
29AQI
40AQI
34AQI
34AQI
28AQI
29AQI
53AQI
48AQI
54AQI
40AQI
37AQI
36AQI
45AQI
50AQI
48AQI
66AQI
87AQI
61AQI
36AQI
32AQI
43AQI
51AQI
49AQI
30AQI
39AQI
63AQI
75AQI
67AQI
63AQI
37AQI
33AQI
32AQI
42AQI
36AQI
27AQI
31AQI
40AQI
47AQI
40AQI
38AQI
49AQI
64AQI
62AQI
48AQI
45AQI
54AQI
62AQI
59AQI
59AQI
60AQI
48AQI
27AQI
27AQI
22AQI
22AQI
28AQI
29AQI
57AQI
46AQI
33AQI
27AQI
36AQI
30AQI
30AQI
29AQI
26AQI
33AQI
48AQI
51AQI
25AQI
19AQI
17AQI
16AQI
18AQI
25AQI
22AQI
24AQI
28AQI
27AQI
25AQI
29AQI
24AQI
26AQI
22AQI
20AQI
23AQI
22AQI
26AQI
26AQI
19AQI
22AQI
19AQI
13AQI
15AQI
15AQI
17AQI
14AQI
17AQI
14AQI
14AQI
16AQI
17AQI
18AQI
16AQI
14AQI
15AQI
33AQI
53AQI
41AQI
31AQI
29AQI
26AQI
24AQI
21AQI
23AQI
29AQI
24AQI
33AQI
27AQI
34AQI
32AQI
23AQI
19AQI
16AQI
15AQI
16AQI
16AQI
17AQI
16AQI
15AQI
15AQI
14AQI
16AQI
16AQI
16AQI
16AQI
17AQI
16AQI
18AQI
18AQI
18AQI
21AQI
19AQI
17AQI
18AQI
17AQI
16AQI
16AQI
18AQI
17AQI
16AQI
30AQI
47AQI
50AQI
33AQI
25AQI
20AQI
17AQI
15AQI
17AQI
19AQI
21AQI
21AQI
22AQI
24AQI
28AQI
27AQI
21AQI
23AQI
22AQI
28AQI
43AQI
55AQI
47AQI
36AQI
36AQI
39AQI
34AQI
37AQI
29AQI
23AQI
23AQI
25AQI
27AQI
35AQI
29AQI
27AQI
22AQI
21AQI
19AQI
24AQI
24AQI
24AQI
19AQI
18AQI
18AQI
18AQI
23AQI
23AQI
20AQI
23AQI
22AQI
19AQI
18AQI
20AQI
19AQI
20AQI
19AQI
17AQI
16AQI
20AQI
18AQI
17AQI
48AQI
47AQI
47AQI
41AQI
22AQI
24AQI
20AQI
29AQI
20AQI
No. of days
202533AQI
Highest AQI recorded in
January48AQI
Lowest AQI recorded in
September20AQI
202423AQI
Highest AQI recorded in
November43AQI
Lowest AQI recorded in
April11AQI
202317AQI
Highest AQI recorded in
November21AQI
Lowest AQI recorded in
February14AQI
202219AQI
Highest AQI recorded in
October76AQI
Lowest AQI recorded in
November12AQI
Most & Least Polluted Years Over the Last 4 Years
Knock Aulin's annual 2025 AQI (33) shows an average percentage change of 69.8% (worsened AQI) compared to previous years: 2022 (19), 2023 (17), 2024 (23).