Sheffield, Sheffield, 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
Sheffield, Sheffield, United Kingdom
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 23 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Sheffield, Sheffield, United Kingdom
5 AM4th Aug 2025
9 PM
4 AM5th Aug 2025
23AQI
21AQI
24AQI
21AQI
In the last 24 hours,
Sheffield's AQI reached its highest point of 24 at 1 AM during the Night, while the lowest point, 21, was recorded at 4 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Sheffield, Sheffield, United Kingdom
15°C12/19°C
15°C10/20°C
15°C8/21°C
18°C10/24°C
21°C13/28°C
23°C15/31°C
21°C14/29°C
20°C13/27°C
19°C13/26°C
14°C12/17°C
18°C13/22°C
17°C12/23°C
20°C16/25°C
18°C15/20°C
16°C12/19°C
16°C11/20°C
17°C13/21°C
17°C12/21°C
18°C15/23°C
18°C11/25°C
17°C13/21°C
16°C12/20°C
16°C11/21°C
14°C10/17°C
18°C15/22°C
17°C12/22°C
15°C12/18°C
16°C12/21°C
16°C12/21°C
16°C14/19°C
--°C/°C
28AQI
26AQI
26AQI
26AQI
2025 Days Vs Air Quality
Sheffield, Sheffield, United Kingdom
78%
168
21%
46
0.9%
2
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 78%
Health Risk Level:
Low
In 2025, 78% of 217 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
Sheffield, Sheffield, United Kingdom
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
27AQI
26AQI
30AQI
44AQI
40AQI
24AQI
23AQI
39AQI
54AQI
53AQI
77AQI
72AQI
42AQI
30AQI
53AQI
59AQI
56AQI
68AQI
68AQI
60AQI
55AQI
67AQI
43AQI
37AQI
31AQI
28AQI
28AQI
26AQI
31AQI
24AQI
27AQI
46AQI
33AQI
31AQI
24AQI
35AQI
58AQI
41AQI
61AQI
88AQI
65AQI
73AQI
83AQI
57AQI
52AQI
83AQI
69AQI
59AQI
69AQI
93AQI
49AQI
28AQI
30AQI
28AQI
30AQI
27AQI
24AQI
25AQI
42AQI
53AQI
48AQI
40AQI
46AQI
42AQI
71AQI
59AQI
66AQI
105AQI
126AQI
50AQI
28AQI
26AQI
29AQI
28AQI
34AQI
26AQI
46AQI
70AQI
83AQI
91AQI
75AQI
79AQI
73AQI
32AQI
43AQI
32AQI
19AQI
25AQI
38AQI
39AQI
31AQI
40AQI
60AQI
57AQI
39AQI
35AQI
31AQI
41AQI
52AQI
55AQI
54AQI
58AQI
30AQI
23AQI
38AQI
30AQI
17AQI
33AQI
32AQI
30AQI
37AQI
25AQI
28AQI
42AQI
34AQI
53AQI
42AQI
21AQI
42AQI
49AQI
56AQI
41AQI
27AQI
19AQI
20AQI
26AQI
32AQI
22AQI
33AQI
31AQI
37AQI
49AQI
41AQI
43AQI
38AQI
37AQI
36AQI
43AQI
37AQI
38AQI
38AQI
30AQI
26AQI
25AQI
19AQI
18AQI
16AQI
14AQI
15AQI
17AQI
17AQI
20AQI
18AQI
20AQI
20AQI
17AQI
16AQI
17AQI
23AQI
63AQI
54AQI
46AQI
45AQI
36AQI
34AQI
24AQI
25AQI
36AQI
33AQI
31AQI
42AQI
45AQI
43AQI
23AQI
20AQI
16AQI
16AQI
18AQI
17AQI
19AQI
22AQI
26AQI
25AQI
19AQI
20AQI
16AQI
17AQI
18AQI
20AQI
20AQI
18AQI
25AQI
32AQI
27AQI
37AQI
26AQI
20AQI
23AQI
23AQI
25AQI
40AQI
25AQI
20AQI
40AQI
45AQI
55AQI
38AQI
29AQI
25AQI
20AQI
19AQI
21AQI
20AQI
19AQI
23AQI
23AQI
43AQI
50AQI
52AQI
39AQI
30AQI
29AQI
26AQI
21AQI
No. of days
202538AQI
Highest AQI recorded in
March52AQI
Lowest AQI recorded in
August21AQI
202437AQI
Highest AQI recorded in
March49AQI
Lowest AQI recorded in
July27AQI
202337AQI
Highest AQI recorded in
April47AQI
Lowest AQI recorded in
July26AQI
202240AQI
Highest AQI recorded in
March70AQI
Lowest AQI recorded in
August25AQI
202140AQI
Highest AQI recorded in
March47AQI
Lowest AQI recorded in
October33AQI
202041AQI
Highest AQI recorded in
March59AQI
Lowest AQI recorded in
July25AQI
Most & Least Polluted Years Over the Last 6 Years
Sheffield's annual 2025 AQI (38) shows an average percentage change of -2.3% (improved AQI) compared to previous years: 2020 (41), 2021 (40), 2022 (40), 2023 (37), 2024 (37).