Norwich, Norfolk, 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
Norwich, Norfolk, United Kingdom
AQI Trends: Highest and Lowest
Same Day Analysis (9th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 27 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 8th Aug - 9th Aug 2026
Norwich, Norfolk, United Kingdom
5 AM8th Aug 2026
8 PM
4 AM9th Aug 2026
30AQI
22AQI
40AQI
23AQI
In the last 24 hours,
Norwich's AQI reached its highest point of 40 at 9 PM during the Night, while the lowest point, 22, was recorded at 6 AM during the Day between 8th Aug and 9th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Norwich, Norfolk, United Kingdom
19°C15/24°C
19°C14/23°C
18°C13/22°C
20°C15/25°C
20°C15/25°C
19°C14/25°C
18°C12/24°C
15°C11/18°C
14°C11/18°C
15°C10/21°C
16°C11/22°C
16°C12/21°C
18°C12/23°C
21°C13/28°C
21°C12/29°C
20°C16/24°C
19°C12/25°C
23°C15/30°C
26°C18/34°C
21°C16/28°C
18°C14/24°C
18°C12/24°C
19°C13/25°C
21°C16/26°C
24°C16/32°C
21°C16/26°C
17°C12/23°C
17°C10/24°C
20°C13/27°C
23°C15/31°C
34AQI
27AQI
33AQI
30AQI
2026 Days Vs Air Quality
Norwich, Norfolk, United Kingdom
84%
184
15%
33
0.4%
1
Total number of days with different AQI categories in last 221 days in 2026 (144 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2026, 84% of 221 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
Norwich, Norfolk, United Kingdom
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI (US)
19AQI (US)
20AQI (US)
20AQI (US)
40AQI (US)
56AQI (US)
18AQI (US)
35AQI (US)
13AQI (US)
25AQI (US)
44AQI (US)
17AQI (US)
15AQI (US)
20AQI (US)
26AQI (US)
20AQI (US)
56AQI (US)
58AQI (US)
70AQI (US)
53AQI (US)
28AQI (US)
42AQI (US)
37AQI (US)
48AQI (US)
70AQI (US)
97AQI (US)
63AQI (US)
34AQI (US)
51AQI (US)
49AQI (US)
26AQI (US)
40AQI (US)
63AQI (US)
82AQI (US)
51AQI (US)
92AQI (US)
85AQI (US)
28AQI (US)
20AQI (US)
53AQI (US)
45AQI (US)
24AQI (US)
26AQI (US)
40AQI (US)
39AQI (US)
20AQI (US)
33AQI (US)
43AQI (US)
44AQI (US)
43AQI (US)
37AQI (US)
19AQI (US)
27AQI (US)
33AQI (US)
22AQI (US)
37AQI (US)
21AQI (US)
39AQI (US)
16AQI (US)
25AQI (US)
32AQI (US)
48AQI (US)
85AQI (US)
74AQI (US)
90AQI (US)
34AQI (US)
49AQI (US)
87AQI (US)
62AQI (US)
23AQI (US)
27AQI (US)
32AQI (US)
37AQI (US)
39AQI (US)
29AQI (US)
31AQI (US)
38AQI (US)
67AQI (US)
62AQI (US)
26AQI (US)
74AQI (US)
101AQI (US)
80AQI (US)
15AQI (US)
17AQI (US)
30AQI (US)
29AQI (US)
22AQI (US)
23AQI (US)
35AQI (US)
37AQI (US)
30AQI (US)
34AQI (US)
28AQI (US)
25AQI (US)
23AQI (US)
39AQI (US)
52AQI (US)
52AQI (US)
20AQI (US)
25AQI (US)
30AQI (US)
29AQI (US)
36AQI (US)
38AQI (US)
29AQI (US)
26AQI (US)
24AQI (US)
25AQI (US)
40AQI (US)
46AQI (US)
26AQI (US)
39AQI (US)
47AQI (US)
31AQI (US)
32AQI (US)
27AQI (US)
24AQI (US)
38AQI (US)
58AQI (US)
50AQI (US)
57AQI (US)
24AQI (US)
26AQI (US)
34AQI (US)
73AQI (US)
34AQI (US)
17AQI (US)
22AQI (US)
23AQI (US)
21AQI (US)
36AQI (US)
36AQI (US)
37AQI (US)
33AQI (US)
34AQI (US)
34AQI (US)
37AQI (US)
33AQI (US)
43AQI (US)
63AQI (US)
42AQI (US)
32AQI (US)
46AQI (US)
34AQI (US)
32AQI (US)
24AQI (US)
25AQI (US)
22AQI (US)
22AQI (US)
17AQI (US)
19AQI (US)
14AQI (US)
21AQI (US)
18AQI (US)
20AQI (US)
16AQI (US)
19AQI (US)
19AQI (US)
19AQI (US)
17AQI (US)
18AQI (US)
21AQI (US)
27AQI (US)
23AQI (US)
21AQI (US)
22AQI (US)
18AQI (US)
20AQI (US)
23AQI (US)
24AQI (US)
61AQI (US)
49AQI (US)
61AQI (US)
30AQI (US)
19AQI (US)
20AQI (US)
20AQI (US)
20AQI (US)
18AQI (US)
24AQI (US)
22AQI (US)
11AQI (US)
12AQI (US)
22AQI (US)
23AQI (US)
34AQI (US)
31AQI (US)
25AQI (US)
26AQI (US)
26AQI (US)
29AQI (US)
34AQI (US)
49AQI (US)
58AQI (US)
46AQI (US)
26AQI (US)
25AQI (US)
27AQI (US)
27AQI (US)
27AQI (US)
37AQI (US)
34AQI (US)
25AQI (US)
27AQI (US)
27AQI (US)
26AQI (US)
27AQI (US)
27AQI (US)
32AQI (US)
33AQI (US)
28AQI (US)
35AQI (US)
28AQI (US)
27AQI (US)
28AQI (US)
26AQI (US)
27AQI (US)
39AQI (US)
40AQI (US)
46AQI (US)
33AQI (US)
37AQI (US)
24AQI (US)
28AQI (US)
29AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
March46AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202536AQI (US)
Highest AQI (US) recorded in
February54AQI (US)
Lowest AQI (US) recorded in
September23AQI (US)
202434AQI (US)
Highest AQI (US) recorded in
March42AQI (US)
Lowest AQI (US) recorded in
July27AQI (US)
202336AQI (US)
Highest AQI (US) recorded in
February49AQI (US)
Lowest AQI (US) recorded in
August26AQI (US)
202241AQI (US)
Highest AQI (US) recorded in
March75AQI (US)
Lowest AQI (US) recorded in
September28AQI (US)
202140AQI (US)
Highest AQI (US) recorded in
March53AQI (US)
Lowest AQI (US) recorded in
August29AQI (US)
202035AQI (US)
Highest AQI (US) recorded in
November47AQI (US)
Lowest AQI (US) recorded in
July25AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Norwich's annual 2026 AQI (US) (35) shows an average percentage change of -4.9% (improved AQI (US)) compared to previous years: 2020 (35), 2021 (40), 2022 (41), 2023 (36), 2024 (34), 2025 (36).