Farringdon Street, Holborn, Camden, United Kingdom 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
Farringdon Street, Holborn, Camden, United Kingdom
AQI Trends: Highest and Lowest
Same Day Analysis (21st September ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 3rd highest AQI at 18 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
Farringdon Street, Holborn, Camden, United Kingdom
6 AM21st Sep 2025
7 PM
5 AM22nd Sep 2025
19AQI
13AQI
23AQI
17AQI
In the last 24 hours,
Farringdon Street's AQI reached its highest point of 23 at 11 PM during the Night, while the lowest point, 13, was recorded at 6 AM during the Day between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Farringdon Street, Holborn, Camden, United Kingdom
19°C16/23°C
19°C17/24°C
21°C16/28°C
21°C18/26°C
19°C15/23°C
18°C14/22°C
16°C14/20°C
17°C13/21°C
18°C14/21°C
17°C15/21°C
16°C13/19°C
18°C15/20°C
16°C14/19°C
17°C12/22°C
19°C14/23°C
20°C17/25°C
17°C14/22°C
17°C13/21°C
16°C14/19°C
15°C12/19°C
14°C11/18°C
15°C12/18°C
14°C11/17°C
16°C14/19°C
15°C13/19°C
16°C13/18°C
20°C17/24°C
20°C15/26°C
17°C12/21°C
13°C11/16°C
--°C/°C
27AQI
23AQI
25AQI
23AQI
2025 Days Vs Air Quality
Farringdon Street, Holborn, Camden, United Kingdom
74%
196
25%
67
0.3%
1
Total number of days with different AQI categories in last 265 days in 2025 (100 days remaining)
Under WHO’s Safe Air Quality Limits: 74%
Health Risk Level:
Low
In 2025, 74% of 265 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
Farringdon Street, Holborn, Camden, United Kingdom
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
38AQI
51AQI
44AQI
51AQI
28AQI
23AQI
25AQI
39AQI
50AQI
58AQI
81AQI
89AQI
54AQI
55AQI
57AQI
52AQI
57AQI
76AQI
66AQI
63AQI
67AQI
73AQI
56AQI
48AQI
41AQI
41AQI
33AQI
32AQI
31AQI
32AQI
31AQI
36AQI
53AQI
56AQI
38AQI
41AQI
48AQI
45AQI
60AQI
57AQI
87AQI
74AQI
66AQI
69AQI
65AQI
80AQI
69AQI
66AQI
76AQI
81AQI
53AQI
46AQI
48AQI
44AQI
33AQI
50AQI
34AQI
33AQI
53AQI
55AQI
62AQI
73AQI
74AQI
91AQI
78AQI
55AQI
64AQI
90AQI
137AQI
66AQI
42AQI
33AQI
42AQI
31AQI
31AQI
33AQI
45AQI
63AQI
60AQI
72AQI
53AQI
78AQI
84AQI
84AQI
61AQI
52AQI
34AQI
29AQI
34AQI
34AQI
35AQI
38AQI
54AQI
65AQI
39AQI
30AQI
32AQI
48AQI
37AQI
36AQI
56AQI
66AQI
50AQI
32AQI
40AQI
27AQI
29AQI
38AQI
41AQI
33AQI
42AQI
32AQI
25AQI
40AQI
38AQI
52AQI
62AQI
53AQI
56AQI
56AQI
66AQI
58AQI
53AQI
32AQI
27AQI
26AQI
28AQI
27AQI
32AQI
35AQI
37AQI
40AQI
40AQI
39AQI
40AQI
39AQI
34AQI
41AQI
38AQI
33AQI
38AQI
36AQI
32AQI
30AQI
22AQI
26AQI
26AQI
22AQI
22AQI
24AQI
25AQI
26AQI
23AQI
25AQI
25AQI
20AQI
17AQI
16AQI
19AQI
46AQI
42AQI
35AQI
43AQI
41AQI
37AQI
30AQI
28AQI
28AQI
31AQI
39AQI
47AQI
45AQI
42AQI
28AQI
27AQI
26AQI
24AQI
25AQI
23AQI
22AQI
28AQI
40AQI
37AQI
26AQI
27AQI
27AQI
24AQI
25AQI
28AQI
30AQI
31AQI
38AQI
38AQI
39AQI
43AQI
34AQI
33AQI
35AQI
32AQI
36AQI
32AQI
24AQI
21AQI
32AQI
44AQI
36AQI
41AQI
29AQI
29AQI
31AQI
32AQI
26AQI
22AQI
20AQI
25AQI
24AQI
23AQI
29AQI
32AQI
36AQI
27AQI
42AQI
53AQI
52AQI
59AQI
54AQI
36AQI
44AQI
35AQI
29AQI
31AQI
29AQI
27AQI
23AQI
25AQI
29AQI
31AQI
33AQI
31AQI
27AQI
24AQI
23AQI
26AQI
25AQI
23AQI
21AQI
29AQI
22AQI
25AQI
25AQI
24AQI
23AQI
24AQI
23AQI
20AQI
18AQI
20AQI
28AQI
24AQI
21AQI
20AQI
26AQI
33AQI
18AQI
50AQI
56AQI
59AQI
43AQI
34AQI
30AQI
32AQI
32AQI
23AQI
No. of days
202541AQI
Highest AQI recorded in
March59AQI
Lowest AQI recorded in
September23AQI
202437AQI
Highest AQI recorded in
September53AQI
Lowest AQI recorded in
July26AQI
202341AQI
Highest AQI recorded in
February49AQI
Lowest AQI recorded in
December29AQI
202247AQI
Highest AQI recorded in
March63AQI
Lowest AQI recorded in
February34AQI
202139AQI
Highest AQI recorded in
March57AQI
Lowest AQI recorded in
January20AQI
202043AQI
Highest AQI recorded in
April58AQI
Lowest AQI recorded in
December30AQI
Most & Least Polluted Years Over the Last 6 Years
Farringdon Street's annual 2025 AQI (41) shows an average percentage change of -1.009% (improved AQI) compared to previous years: 2020 (43), 2021 (39), 2022 (47), 2023 (41), 2024 (37).