Dublin, County Dublin, 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
Dublin, County Dublin, Ireland
AQI Trends: Highest and Lowest
Same Day Analysis (24th September ):
On this day, AQI across the 1 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: 24th Sep - 25th Sep 2025
Dublin, County Dublin, Ireland
6 AM24th Sep 2025
7 PM
5 AM25th Sep 2025
31AQI
22AQI
33AQI
22AQI
In the last 24 hours,
Dublin's AQI reached its highest point of 33 at 3 AM during the Night, while the lowest point, 22, was recorded at 8 PM during the Night between 24th Sep and 25th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Dublin, County Dublin, Ireland
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
15°C12/16°C
11°C8/15°C
8°C4/13°C
8°C3/14°C
9°C5/14°C
11°C7/16°C
--°C/°C
21AQI
19AQI
21AQI
20AQI
2025 Days Vs Air Quality
Dublin, County Dublin, Ireland
98%
117
2%
2
Total number of days with different AQI categories in last 268 days in 2025 (97 days remaining)
Under WHO’s Safe Air Quality Limits: 98%
Health Risk Level:
Very Low
In 2025, 98% of 268 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
Dublin, County Dublin, Ireland
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
17AQI
22AQI
18AQI
18AQI
20AQI
21AQI
24AQI
22AQI
19AQI
19AQI
25AQI
50AQI
42AQI
33AQI
31AQI
29AQI
28AQI
24AQI
22AQI
28AQI
27AQI
30AQI
28AQI
35AQI
34AQI
28AQI
21AQI
18AQI
17AQI
19AQI
19AQI
19AQI
20AQI
17AQI
15AQI
15AQI
17AQI
17AQI
16AQI
17AQI
17AQI
17AQI
19AQI
19AQI
21AQI
23AQI
23AQI
20AQI
19AQI
19AQI
17AQI
17AQI
18AQI
19AQI
16AQI
27AQI
50AQI
55AQI
38AQI
29AQI
24AQI
19AQI
16AQI
17AQI
19AQI
19AQI
20AQI
22AQI
24AQI
28AQI
27AQI
21AQI
21AQI
23AQI
26AQI
39AQI
53AQI
48AQI
35AQI
38AQI
39AQI
34AQI
36AQI
25AQI
21AQI
21AQI
23AQI
26AQI
29AQI
28AQI
25AQI
21AQI
20AQI
19AQI
21AQI
23AQI
21AQI
20AQI
18AQI
17AQI
17AQI
21AQI
21AQI
20AQI
19AQI
19AQI
17AQI
16AQI
17AQI
18AQI
19AQI
18AQI
18AQI
17AQI
17AQI
16AQI
16AQI
19AQI
22AQI
19AQI
26AQI
22AQI
27AQI
19AQI
No. of days
202524AQI
Highest AQI recorded in
August27AQI
Lowest AQI recorded in
September19AQI
Most & Least Polluted Years Over the Last 1 Years
Dublin's annual 2025 AQI (24) shows an average percentage change of NaN% (improved AQI) compared to previous years: .