Gillingham, Medway, 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
Gillingham, Medway, United Kingdom
AQI Trends: Highest and Lowest
Same Day Analysis (17th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 20 of Good air quality, showing improvement over 2024, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Sep - 18th Sep 2025
Gillingham, Medway, United Kingdom
6 AM17th Sep 2025
7 PM
5 AM18th Sep 2025
22AQI
18AQI
20AQI
16AQI
In the last 24 hours,
Gillingham's AQI reached its highest point of 22 at 8 AM during the Day, while the lowest point, 16, was recorded at 5 AM during the Night between 17th Sep and 18th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Gillingham, Medway, United Kingdom
18°C15/22°C
18°C15/21°C
16°C12/20°C
16°C10/22°C
17°C14/20°C
18°C15/22°C
19°C14/25°C
20°C16/26°C
18°C14/23°C
17°C13/22°C
16°C13/20°C
17°C12/21°C
17°C13/21°C
17°C14/20°C
15°C13/18°C
18°C15/20°C
16°C13/20°C
16°C11/22°C
18°C13/23°C
20°C16/26°C
17°C13/21°C
15°C11/20°C
16°C13/19°C
15°C11/20°C
14°C11/18°C
14°C11/17°C
14°C10/17°C
16°C14/19°C
15°C12/19°C
16°C13/19°C
--°C/°C
26AQI
23AQI
25AQI
23AQI
2025 Days Vs Air Quality
Gillingham, Medway, United Kingdom
76%
198
23%
60
0.7%
2
Total number of days with different AQI categories in last 261 days in 2025 (104 days remaining)
Under WHO’s Safe Air Quality Limits: 76%
Health Risk Level:
Low
In 2025, 76% of 261 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
Gillingham, Medway, United Kingdom
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI
33AQI
39AQI
41AQI
26AQI
24AQI
24AQI
30AQI
41AQI
62AQI
81AQI
74AQI
51AQI
56AQI
58AQI
47AQI
60AQI
71AQI
66AQI
60AQI
66AQI
69AQI
50AQI
39AQI
35AQI
32AQI
30AQI
29AQI
30AQI
35AQI
33AQI
38AQI
56AQI
63AQI
35AQI
48AQI
50AQI
50AQI
64AQI
54AQI
102AQI
86AQI
73AQI
71AQI
73AQI
90AQI
70AQI
66AQI
80AQI
84AQI
71AQI
63AQI
64AQI
53AQI
48AQI
47AQI
31AQI
31AQI
51AQI
48AQI
64AQI
77AQI
90AQI
96AQI
77AQI
53AQI
63AQI
99AQI
146AQI
63AQI
43AQI
34AQI
39AQI
34AQI
31AQI
35AQI
47AQI
59AQI
58AQI
68AQI
46AQI
81AQI
95AQI
88AQI
45AQI
53AQI
36AQI
35AQI
38AQI
36AQI
45AQI
49AQI
64AQI
82AQI
49AQI
32AQI
38AQI
52AQI
41AQI
35AQI
55AQI
71AQI
46AQI
29AQI
44AQI
21AQI
25AQI
35AQI
43AQI
34AQI
50AQI
25AQI
20AQI
41AQI
38AQI
58AQI
52AQI
44AQI
55AQI
60AQI
76AQI
58AQI
46AQI
19AQI
20AQI
19AQI
21AQI
21AQI
31AQI
33AQI
45AQI
30AQI
41AQI
35AQI
36AQI
36AQI
31AQI
38AQI
37AQI
26AQI
34AQI
32AQI
25AQI
27AQI
19AQI
24AQI
21AQI
19AQI
22AQI
19AQI
23AQI
24AQI
23AQI
24AQI
22AQI
18AQI
17AQI
15AQI
18AQI
46AQI
48AQI
33AQI
43AQI
34AQI
34AQI
27AQI
25AQI
28AQI
30AQI
38AQI
49AQI
37AQI
31AQI
21AQI
23AQI
24AQI
24AQI
22AQI
18AQI
17AQI
26AQI
40AQI
37AQI
26AQI
23AQI
19AQI
18AQI
19AQI
24AQI
22AQI
23AQI
24AQI
25AQI
26AQI
35AQI
28AQI
23AQI
24AQI
22AQI
21AQI
21AQI
17AQI
17AQI
21AQI
44AQI
29AQI
35AQI
23AQI
25AQI
28AQI
27AQI
25AQI
22AQI
21AQI
23AQI
24AQI
24AQI
27AQI
29AQI
32AQI
27AQI
36AQI
49AQI
52AQI
57AQI
56AQI
44AQI
44AQI
37AQI
29AQI
33AQI
34AQI
32AQI
25AQI
26AQI
27AQI
29AQI
32AQI
30AQI
27AQI
22AQI
20AQI
22AQI
22AQI
21AQI
19AQI
21AQI
21AQI
21AQI
24AQI
24AQI
27AQI
24AQI
22AQI
19AQI
18AQI
19AQI
23AQI
21AQI
20AQI
46AQI
61AQI
61AQI
44AQI
31AQI
28AQI
26AQI
32AQI
22AQI
No. of days
202540AQI
Highest AQI recorded in
February61AQI
Lowest AQI recorded in
September22AQI
202434AQI
Highest AQI recorded in
November48AQI
Lowest AQI recorded in
July26AQI
202332AQI
Highest AQI recorded in
February43AQI
Lowest AQI recorded in
October25AQI
202237AQI
Highest AQI recorded in
March65AQI
Lowest AQI recorded in
September28AQI
202137AQI
Highest AQI recorded in
September48AQI
Lowest AQI recorded in
August26AQI
202037AQI
Highest AQI recorded in
April68AQI
Lowest AQI recorded in
October25AQI
Most & Least Polluted Years Over the Last 6 Years
Gillingham's annual 2025 AQI (40) shows an average percentage change of 12.4% (worsened AQI) compared to previous years: 2020 (37), 2021 (37), 2022 (37), 2023 (32), 2024 (34).