L16201, Port Laoise, Laois, Ireland Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
L16201, Port Laoise, Laois, Ireland
AQI Trends: Highest and Lowest
Same Day Analysis (2nd October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 34 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Oct - 3rd Oct 2025
L16201, Port Laoise, Laois, Ireland
7 AM2nd Oct 2025
7 PM
6 AM3rd Oct 2025
51AQI
22AQI
37AQI
13AQI
In the last 24 hours,
L16201's AQI reached its highest point of 51 at 8 AM during the Day, while the lowest point, 13, was recorded at 3 AM during the Night between 2nd Oct and 3rd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
L16201, Port Laoise, Laois, Ireland
13°C9/15°C
12°C8/17°C
13°C9/17°C
15°C11/18°C
15°C9/17°C
11°C7/17°C
13°C11/17°C
12°C10/16°C
11°C9/12°C
10°C8/13°C
10°C8/13°C
11°C7/17°C
12°C11/14°C
12°C8/15°C
15°C11/18°C
13°C8/18°C
14°C11/15°C
10°C6/14°C
8°C4/12°C
8°C3/13°C
9°C4/14°C
10°C6/15°C
10°C6/16°C
11°C6/16°C
11°C7/14°C
10°C7/15°C
11°C7/16°C
13°C9/16°C
14°C12/17°C
14°C12/15°C
--°C/°C
19AQI
17AQI
20AQI
18AQI
2025 Days Vs Air Quality
L16201, Port Laoise, Laois, Ireland
91%
250
9%
25
Total number of days with different AQI categories in last 276 days in 2025 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2025, 91% of 276 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
L16201, Port Laoise, Laois, Ireland
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
25AQI
45AQI
60AQI
67AQI
47AQI
22AQI
22AQI
31AQI
42AQI
45AQI
38AQI
44AQI
30AQI
19AQI
22AQI
32AQI
32AQI
32AQI
39AQI
49AQI
55AQI
55AQI
49AQI
41AQI
38AQI
40AQI
34AQI
36AQI
29AQI
30AQI
39AQI
59AQI
29AQI
41AQI
26AQI
30AQI
55AQI
48AQI
43AQI
49AQI
52AQI
37AQI
49AQI
54AQI
58AQI
54AQI
36AQI
60AQI
59AQI
58AQI
30AQI
37AQI
28AQI
43AQI
34AQI
40AQI
40AQI
31AQI
40AQI
40AQI
42AQI
32AQI
38AQI
31AQI
39AQI
40AQI
36AQI
54AQI
67AQI
53AQI
27AQI
27AQI
35AQI
41AQI
35AQI
21AQI
32AQI
61AQI
64AQI
53AQI
52AQI
22AQI
25AQI
28AQI
31AQI
26AQI
24AQI
34AQI
41AQI
44AQI
30AQI
37AQI
40AQI
54AQI
49AQI
37AQI
30AQI
38AQI
49AQI
51AQI
52AQI
50AQI
41AQI
17AQI
21AQI
18AQI
22AQI
19AQI
18AQI
31AQI
30AQI
26AQI
21AQI
20AQI
16AQI
20AQI
18AQI
21AQI
24AQI
31AQI
34AQI
20AQI
15AQI
15AQI
16AQI
16AQI
16AQI
21AQI
21AQI
23AQI
21AQI
19AQI
25AQI
20AQI
28AQI
24AQI
22AQI
19AQI
27AQI
26AQI
20AQI
16AQI
20AQI
19AQI
15AQI
16AQI
16AQI
13AQI
14AQI
14AQI
14AQI
14AQI
16AQI
18AQI
18AQI
15AQI
14AQI
13AQI
39AQI
51AQI
36AQI
25AQI
29AQI
26AQI
25AQI
22AQI
24AQI
30AQI
23AQI
21AQI
24AQI
32AQI
29AQI
20AQI
16AQI
15AQI
15AQI
15AQI
14AQI
15AQI
16AQI
15AQI
16AQI
14AQI
16AQI
16AQI
16AQI
16AQI
17AQI
16AQI
17AQI
18AQI
21AQI
20AQI
20AQI
17AQI
18AQI
17AQI
16AQI
16AQI
17AQI
16AQI
15AQI
22AQI
49AQI
49AQI
32AQI
25AQI
21AQI
17AQI
15AQI
16AQI
18AQI
20AQI
20AQI
22AQI
23AQI
28AQI
27AQI
21AQI
21AQI
23AQI
28AQI
43AQI
53AQI
42AQI
35AQI
41AQI
40AQI
34AQI
40AQI
28AQI
23AQI
22AQI
23AQI
23AQI
26AQI
27AQI
24AQI
20AQI
18AQI
17AQI
19AQI
20AQI
21AQI
18AQI
19AQI
17AQI
16AQI
21AQI
22AQI
19AQI
20AQI
19AQI
17AQI
16AQI
17AQI
18AQI
18AQI
17AQI
17AQI
16AQI
17AQI
15AQI
14AQI
17AQI
17AQI
18AQI
20AQI
19AQI
16AQI
18AQI
24AQI
25AQI
34AQI
38AQI
44AQI
39AQI
31AQI
20AQI
22AQI
20AQI
27AQI
18AQI
30AQI
No. of days
202529AQI
Highest AQI recorded in
February44AQI
Lowest AQI recorded in
September18AQI
202420AQI
Highest AQI recorded in
November41AQI
Lowest AQI recorded in
July7AQI
202316AQI
Highest AQI recorded in
December24AQI
Lowest AQI recorded in
August7AQI
202224AQI
Highest AQI recorded in
December33AQI
Lowest AQI recorded in
November16AQI
Most & Least Polluted Years Over the Last 4 Years
L16201's annual 2025 AQI (29) shows an average percentage change of 48.7% (worsened AQI) compared to previous years: 2022 (24), 2023 (16), 2024 (20).