Killarney, County Kerry, 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
Killarney, County Kerry, Ireland
AQI Trends: Highest and Lowest
Same Day Analysis (22nd September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 20 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
Killarney, County Kerry, Ireland
7 AM22nd Sep 2025
8 PM
6 AM23rd Sep 2025
20AQI
18AQI
22AQI
19AQI
In the last 24 hours,
Killarney's AQI reached its highest point of 22 at 2 AM during the Night, while the lowest point, 18, was recorded at 7 AM during the Day between 22nd Sep and 23rd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Killarney, County Kerry, Ireland
16°C11/21°C
17°C12/21°C
14°C9/18°C
13°C9/16°C
14°C12/16°C
13°C10/16°C
14°C10/17°C
13°C12/15°C
13°C8/15°C
12°C7/16°C
13°C8/16°C
11°C8/15°C
12°C8/17°C
14°C11/16°C
13°C6/15°C
11°C6/15°C
14°C11/19°C
13°C10/15°C
10°C8/13°C
10°C7/13°C
10°C6/14°C
12°C6/16°C
12°C10/14°C
11°C8/14°C
14°C9/16°C
14°C9/17°C
13°C8/15°C
10°C6/15°C
8°C3/12°C
7°C2/14°C
--°C/°C
22AQI
22AQI
23AQI
22AQI
2025 Days Vs Air Quality
Killarney, County Kerry, Ireland
98%
115
2%
2
Total number of days with different AQI categories in last 266 days in 2025 (99 days remaining)
Under WHO’s Safe Air Quality Limits: 98%
Health Risk Level:
Very Low
In 2025, 98% of 266 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
Killarney, County Kerry, Ireland
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI
18AQI
20AQI
20AQI
23AQI
21AQI
26AQI
18AQI
15AQI
15AQI
20AQI
52AQI
33AQI
23AQI
22AQI
27AQI
25AQI
24AQI
24AQI
28AQI
24AQI
23AQI
25AQI
26AQI
28AQI
24AQI
23AQI
19AQI
17AQI
17AQI
17AQI
18AQI
17AQI
16AQI
17AQI
15AQI
17AQI
17AQI
16AQI
17AQI
17AQI
18AQI
18AQI
18AQI
19AQI
21AQI
21AQI
21AQI
22AQI
20AQI
19AQI
17AQI
16AQI
19AQI
17AQI
19AQI
42AQI
45AQI
34AQI
35AQI
27AQI
21AQI
17AQI
17AQI
21AQI
22AQI
21AQI
24AQI
31AQI
33AQI
31AQI
27AQI
31AQI
33AQI
33AQI
46AQI
54AQI
40AQI
46AQI
46AQI
40AQI
36AQI
35AQI
28AQI
24AQI
23AQI
24AQI
24AQI
25AQI
31AQI
28AQI
21AQI
21AQI
20AQI
25AQI
29AQI
26AQI
20AQI
17AQI
19AQI
17AQI
22AQI
24AQI
21AQI
19AQI
20AQI
19AQI
19AQI
22AQI
25AQI
26AQI
22AQI
25AQI
24AQI
24AQI
22AQI
20AQI
19AQI
23AQI
21AQI
30AQI
22AQI
No. of days
202524AQI
Highest AQI recorded in
August30AQI
Lowest AQI recorded in
May19AQI
Most & Least Polluted Years Over the Last 1 Years
Killarney's annual 2025 AQI (24) shows an average percentage change of NaN% (improved AQI) compared to previous years: .