Plymouth, Plymouth, United Kingdom Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Plymouth, Plymouth, United Kingdom
AQI Trends: Highest and Lowest
Same Day Analysis (10th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 27 of Good air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 10th Aug - 11th Aug 2025
Plymouth, Plymouth, United Kingdom
5 AM10th Aug 2025
9 PM
4 AM11th Aug 2025
46AQI
41AQI
58AQI
43AQI
In the last 24 hours,
Plymouth's AQI reached its highest point of 58 at 3 AM during the Night, while the lowest point, 41, was recorded at 5 AM during the Day between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Plymouth, Plymouth, United Kingdom
20°C17/24°C
19°C16/22°C
17°C14/19°C
17°C14/19°C
18°C15/20°C
18°C15/21°C
17°C15/20°C
17°C15/19°C
16°C13/18°C
15°C12/18°C
17°C14/19°C
16°C12/20°C
17°C13/21°C
17°C13/21°C
17°C13/21°C
15°C12/17°C
17°C12/20°C
17°C14/21°C
18°C15/22°C
18°C14/21°C
16°C12/19°C
15°C11/19°C
17°C13/20°C
17°C14/20°C
16°C13/19°C
16°C12/18°C
17°C14/19°C
16°C13/20°C
17°C13/20°C
17°C13/21°C
--°C/°C
43AQI
43AQI
43AQI
43AQI
2025 Days Vs Air Quality
Plymouth, Plymouth, United Kingdom
80%
177
20%
45
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Under WHO’s Safe Air Quality Limits: 80%
Health Risk Level:
Low
In 2025, 80% of 223 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
Plymouth, Plymouth, United Kingdom
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
37AQI
34AQI
50AQI
51AQI
33AQI
31AQI
32AQI
36AQI
35AQI
36AQI
39AQI
42AQI
33AQI
39AQI
57AQI
57AQI
56AQI
58AQI
61AQI
55AQI
58AQI
57AQI
47AQI
58AQI
38AQI
42AQI
49AQI
36AQI
30AQI
28AQI
41AQI
41AQI
27AQI
32AQI
34AQI
42AQI
42AQI
36AQI
53AQI
54AQI
59AQI
60AQI
59AQI
59AQI
61AQI
64AQI
64AQI
69AQI
74AQI
65AQI
47AQI
49AQI
51AQI
48AQI
41AQI
32AQI
30AQI
29AQI
40AQI
47AQI
50AQI
51AQI
60AQI
81AQI
69AQI
49AQI
49AQI
57AQI
64AQI
71AQI
31AQI
25AQI
35AQI
31AQI
23AQI
25AQI
53AQI
62AQI
51AQI
49AQI
36AQI
45AQI
77AQI
47AQI
33AQI
37AQI
25AQI
28AQI
40AQI
45AQI
41AQI
47AQI
52AQI
50AQI
51AQI
32AQI
37AQI
49AQI
56AQI
54AQI
59AQI
50AQI
29AQI
19AQI
18AQI
17AQI
17AQI
19AQI
30AQI
42AQI
33AQI
25AQI
23AQI
29AQI
55AQI
49AQI
32AQI
34AQI
48AQI
62AQI
57AQI
45AQI
41AQI
22AQI
19AQI
23AQI
26AQI
24AQI
29AQI
34AQI
34AQI
41AQI
31AQI
35AQI
40AQI
40AQI
41AQI
42AQI
45AQI
39AQI
35AQI
36AQI
33AQI
22AQI
23AQI
26AQI
29AQI
24AQI
22AQI
22AQI
27AQI
30AQI
24AQI
26AQI
22AQI
20AQI
18AQI
17AQI
23AQI
51AQI
34AQI
24AQI
41AQI
45AQI
28AQI
27AQI
24AQI
29AQI
27AQI
35AQI
47AQI
45AQI
43AQI
25AQI
25AQI
18AQI
18AQI
21AQI
16AQI
23AQI
26AQI
26AQI
20AQI
17AQI
19AQI
20AQI
18AQI
20AQI
22AQI
20AQI
21AQI
22AQI
26AQI
29AQI
31AQI
28AQI
27AQI
24AQI
21AQI
20AQI
24AQI
20AQI
21AQI
22AQI
53AQI
60AQI
33AQI
29AQI
30AQI
23AQI
21AQI
21AQI
23AQI
21AQI
23AQI
23AQI
25AQI
30AQI
29AQI
28AQI
21AQI
27AQI
44AQI
49AQI
47AQI
39AQI
32AQI
28AQI
25AQI
25AQI
No. of days
202537AQI
Highest AQI recorded in
February49AQI
Lowest AQI recorded in
August25AQI
202436AQI
Highest AQI recorded in
January47AQI
Lowest AQI recorded in
July24AQI
202339AQI
Highest AQI recorded in
March46AQI
Lowest AQI recorded in
August30AQI
202242AQI
Highest AQI recorded in
December64AQI
Lowest AQI recorded in
July27AQI
202137AQI
Highest AQI recorded in
December48AQI
Lowest AQI recorded in
August28AQI
202036AQI
Highest AQI recorded in
April65AQI
Lowest AQI recorded in
July25AQI
Most & Least Polluted Years Over the Last 6 Years
Plymouth's annual 2025 AQI (37) shows an average percentage change of -2.1% (improved AQI) compared to previous years: 2020 (36), 2021 (37), 2022 (42), 2023 (39), 2024 (36).