Rathfarnham Road, Tallaght, South 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
Rathfarnham Road, Tallaght, South Dublin, Ireland
AQI Trends: Highest and Lowest
Same Day Analysis (20th September ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 16 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Sep - 21st Sep 2025
Rathfarnham Road, Tallaght, South Dublin, Ireland
6 AM20th Sep 2025
8 PM
5 AM21st Sep 2025
22AQI
16AQI
17AQI
11AQI
In the last 24 hours,
Rathfarnham Road's AQI reached its highest point of 22 at 10 AM during the Day, while the lowest point, 11, was recorded at 2 AM during the Night between 20th Sep and 21st Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Rathfarnham Road, Tallaght, South Dublin, Ireland
16°C10/20°C
17°C14/21°C
17°C13/21°C
18°C14/23°C
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
--°C/°C
20AQI
19AQI
20AQI
19AQI
2025 Days Vs Air Quality
Rathfarnham Road, Tallaght, South Dublin, Ireland
93%
244
7%
19
Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2025, 93% of 264 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
Rathfarnham Road, Tallaght, South Dublin, Ireland
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
24AQI
22AQI
27AQI
26AQI
23AQI
20AQI
20AQI
26AQI
51AQI
43AQI
33AQI
34AQI
26AQI
20AQI
23AQI
34AQI
30AQI
45AQI
42AQI
42AQI
32AQI
29AQI
26AQI
26AQI
26AQI
22AQI
40AQI
37AQI
23AQI
23AQI
30AQI
58AQI
34AQI
23AQI
23AQI
22AQI
46AQI
52AQI
41AQI
31AQI
40AQI
32AQI
37AQI
35AQI
45AQI
42AQI
35AQI
45AQI
50AQI
53AQI
25AQI
34AQI
27AQI
34AQI
36AQI
32AQI
25AQI
25AQI
33AQI
26AQI
27AQI
24AQI
23AQI
24AQI
28AQI
37AQI
36AQI
53AQI
63AQI
55AQI
28AQI
26AQI
27AQI
29AQI
25AQI
18AQI
31AQI
53AQI
53AQI
51AQI
52AQI
27AQI
23AQI
22AQI
27AQI
19AQI
19AQI
26AQI
38AQI
46AQI
32AQI
31AQI
44AQI
58AQI
58AQI
56AQI
42AQI
48AQI
55AQI
50AQI
51AQI
53AQI
42AQI
17AQI
19AQI
16AQI
18AQI
21AQI
25AQI
47AQI
30AQI
20AQI
19AQI
26AQI
21AQI
22AQI
18AQI
19AQI
25AQI
38AQI
47AQI
22AQI
18AQI
15AQI
15AQI
16AQI
18AQI
26AQI
22AQI
26AQI
23AQI
31AQI
28AQI
25AQI
23AQI
21AQI
21AQI
22AQI
21AQI
25AQI
23AQI
18AQI
23AQI
17AQI
13AQI
14AQI
14AQI
15AQI
21AQI
25AQI
14AQI
16AQI
15AQI
16AQI
19AQI
22AQI
18AQI
20AQI
38AQI
50AQI
39AQI
32AQI
32AQI
26AQI
26AQI
23AQI
22AQI
29AQI
25AQI
32AQI
27AQI
34AQI
32AQI
23AQI
18AQI
15AQI
16AQI
20AQI
24AQI
20AQI
19AQI
16AQI
15AQI
14AQI
16AQI
15AQI
16AQI
16AQI
17AQI
17AQI
17AQI
17AQI
19AQI
20AQI
20AQI
17AQI
18AQI
17AQI
16AQI
16AQI
18AQI
17AQI
15AQI
33AQI
49AQI
52AQI
34AQI
24AQI
19AQI
17AQI
17AQI
20AQI
19AQI
19AQI
20AQI
22AQI
23AQI
27AQI
26AQI
20AQI
18AQI
19AQI
25AQI
39AQI
52AQI
47AQI
36AQI
38AQI
40AQI
34AQI
36AQI
27AQI
22AQI
22AQI
24AQI
26AQI
29AQI
28AQI
25AQI
21AQI
19AQI
18AQI
20AQI
21AQI
20AQI
19AQI
16AQI
17AQI
17AQI
21AQI
21AQI
19AQI
19AQI
19AQI
16AQI
16AQI
16AQI
17AQI
19AQI
19AQI
15AQI
15AQI
16AQI
30AQI
36AQI
33AQI
34AQI
21AQI
25AQI
20AQI
27AQI
18AQI
No. of days
202528AQI
Highest AQI recorded in
February36AQI
Lowest AQI recorded in
September18AQI
202418AQI
Highest AQI recorded in
November34AQI
Lowest AQI recorded in
July9AQI
202314AQI
Highest AQI recorded in
June20AQI
Lowest AQI recorded in
July7AQI
202229AQI
Highest AQI recorded in
December38AQI
Lowest AQI recorded in
October21AQI
Most & Least Polluted Years Over the Last 4 Years
Rathfarnham Road's annual 2025 AQI (28) shows an average percentage change of 50.6% (worsened AQI) compared to previous years: 2022 (29), 2023 (14), 2024 (18).