Middlesbrough, Redcar And Cleveland, 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
Middlesbrough, Redcar And Cleveland, United Kingdom
AQI Trends: Highest and Lowest
Same Day Analysis (28th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 35 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 28th Sep - 29th Sep 2025
Middlesbrough, Redcar And Cleveland, United Kingdom
6 AM28th Sep 2025
7 PM
5 AM29th Sep 2025
34AQI
21AQI
55AQI
16AQI
In the last 24 hours,
Middlesbrough's AQI reached its highest point of 55 at 12 AM during the Night, while the lowest point, 16, was recorded at 3 AM during the Night between 28th Sep and 29th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Middlesbrough, Redcar And Cleveland, United Kingdom
16°C12/21°C
17°C12/21°C
16°C13/19°C
15°C11/20°C
15°C13/19°C
14°C11/18°C
14°C10/19°C
16°C11/20°C
19°C14/23°C
15°C12/19°C
15°C10/20°C
15°C12/19°C
13°C10/16°C
12°C9/15°C
12°C10/16°C
12°C8/16°C
14°C13/15°C
14°C11/17°C
14°C11/17°C
16°C13/18°C
18°C16/20°C
12°C9/14°C
9°C7/12°C
9°C5/13°C
10°C7/13°C
11°C8/15°C
11°C8/15°C
12°C9/15°C
13°C11/15°C
12°C10/16°C
--°C/°C
23AQI
21AQI
24AQI
21AQI
2025 Days Vs Air Quality
Middlesbrough, Redcar And Cleveland, United Kingdom
88%
238
12%
32
0.3%
1
Total number of days with different AQI categories in last 272 days in 2025 (93 days remaining)
Under WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 272 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
Middlesbrough, Redcar And Cleveland, United Kingdom
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
30AQI
23AQI
34AQI
39AQI
37AQI
24AQI
21AQI
34AQI
46AQI
46AQI
65AQI
73AQI
46AQI
28AQI
31AQI
44AQI
50AQI
59AQI
66AQI
57AQI
53AQI
60AQI
41AQI
36AQI
28AQI
27AQI
28AQI
26AQI
27AQI
28AQI
35AQI
43AQI
34AQI
37AQI
27AQI
29AQI
43AQI
45AQI
48AQI
66AQI
51AQI
59AQI
65AQI
56AQI
57AQI
63AQI
61AQI
50AQI
59AQI
81AQI
39AQI
31AQI
27AQI
27AQI
32AQI
27AQI
25AQI
28AQI
35AQI
45AQI
31AQI
28AQI
27AQI
33AQI
56AQI
59AQI
61AQI
92AQI
82AQI
35AQI
29AQI
26AQI
26AQI
25AQI
30AQI
27AQI
39AQI
67AQI
90AQI
102AQI
71AQI
69AQI
58AQI
35AQI
33AQI
21AQI
17AQI
20AQI
33AQI
29AQI
29AQI
35AQI
46AQI
40AQI
33AQI
30AQI
27AQI
35AQI
38AQI
30AQI
48AQI
57AQI
31AQI
18AQI
29AQI
20AQI
16AQI
24AQI
19AQI
20AQI
29AQI
22AQI
35AQI
29AQI
31AQI
39AQI
50AQI
19AQI
38AQI
48AQI
52AQI
29AQI
23AQI
17AQI
17AQI
21AQI
22AQI
18AQI
28AQI
27AQI
35AQI
48AQI
37AQI
33AQI
32AQI
33AQI
30AQI
32AQI
29AQI
33AQI
33AQI
20AQI
20AQI
20AQI
13AQI
16AQI
15AQI
14AQI
15AQI
14AQI
15AQI
16AQI
16AQI
18AQI
18AQI
17AQI
15AQI
14AQI
15AQI
52AQI
52AQI
36AQI
38AQI
39AQI
36AQI
27AQI
24AQI
29AQI
27AQI
27AQI
29AQI
36AQI
37AQI
26AQI
21AQI
18AQI
16AQI
17AQI
15AQI
18AQI
18AQI
21AQI
21AQI
18AQI
18AQI
17AQI
16AQI
17AQI
19AQI
18AQI
18AQI
23AQI
25AQI
23AQI
27AQI
24AQI
22AQI
23AQI
24AQI
27AQI
44AQI
26AQI
20AQI
40AQI
46AQI
54AQI
35AQI
22AQI
19AQI
18AQI
19AQI
21AQI
19AQI
20AQI
22AQI
22AQI
24AQI
29AQI
27AQI
21AQI
19AQI
22AQI
27AQI
31AQI
49AQI
47AQI
37AQI
42AQI
34AQI
28AQI
24AQI
20AQI
18AQI
18AQI
20AQI
30AQI
37AQI
27AQI
24AQI
23AQI
22AQI
21AQI
24AQI
25AQI
24AQI
25AQI
20AQI
19AQI
19AQI
24AQI
22AQI
20AQI
21AQI
22AQI
20AQI
17AQI
18AQI
19AQI
16AQI
17AQI
19AQI
18AQI
17AQI
15AQI
17AQI
17AQI
26AQI
31AQI
35AQI
34AQI
35AQI
40AQI
44AQI
45AQI
32AQI
26AQI
26AQI
25AQI
27AQI
22AQI
No. of days
202532AQI
Highest AQI recorded in
March45AQI
Lowest AQI recorded in
September22AQI
202433AQI
Highest AQI recorded in
November43AQI
Lowest AQI recorded in
October28AQI
202329AQI
Highest AQI recorded in
April38AQI
Lowest AQI recorded in
August20AQI
202234AQI
Highest AQI recorded in
March53AQI
Lowest AQI recorded in
September23AQI
202134AQI
Highest AQI recorded in
July43AQI
Lowest AQI recorded in
August23AQI
202032AQI
Highest AQI recorded in
November52AQI
Lowest AQI recorded in
July18AQI
Most & Least Polluted Years Over the Last 6 Years
Middlesbrough's annual 2025 AQI (32) shows an average percentage change of -1.8% (improved AQI) compared to previous years: 2020 (32), 2021 (34), 2022 (34), 2023 (29), 2024 (33).