Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Norwich Castle Meadow, 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!

Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

August Air Quality Analysis

Norwich Castle Meadow, Norwich, Norfolk, United Kingdom

2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
12th Aug 2025
49AQI
Lowest AQI recorded on
1st Aug 2025
20AQI

Same Day Analysis (12th August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 49 of Good air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 12th Aug - 13th Aug 2025

Norwich Castle Meadow, Norwich, Norfolk, United Kingdom

AQI
Day
Night
.

5 AM12th Aug 2025

8 PM

4 AM13th Aug 2025

Day time
Avg. Highest Time
9AM12th Aug

54AQI

Avg. Lowest Time
6PM12th Aug

48AQI

Night time
Avg. Highest Time
4AM13th Aug

57AQI

Avg. Lowest Time
10PM12th Aug

48AQI

In the last 24 hours,

Norwich Castle Meadow's AQI reached its highest point of 57 at 4 AM during the Night, while the lowest point, 48, was recorded at 10 PM during the Night between 12th Aug and 13th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Norwich Castle Meadow, Norwich, Norfolk, United Kingdom

JulAug
14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th
Day
Night
14th Jul 2025365 AMAQI
14th Jul 2025386 AMAQI
14th Jul 2025417 AMAQI
14th Jul 2025448 AMAQI
14th Jul 2025449 AMAQI
14th Jul 20254010 AMAQI
14th Jul 20253611 AMAQI
14th Jul 20253412 PMAQI
14th Jul 2025321 PMAQI
14th Jul 2025312 PMAQI
14th Jul 2025343 PMAQI
14th Jul 2025384 PMAQI
14th Jul 2025395 PMAQI
14th Jul 2025386 PMAQI
14th Jul 2025357 PMAQI
14th Jul 2025428 PMAQI
14th Jul 2025409 PMAQI
14th Jul 20253710 PMAQI
14th Jul 20253411 PMAQI
15th Jul 20253412 AMAQI
15th Jul 2025301 AMAQI
15th Jul 2025242 AMAQI
15th Jul 2025283 AMAQI
15th Jul 2025274 AMAQI

22°C16/29°C

15th Jul 2025365 AMAQI
15th Jul 2025296 AMAQI
15th Jul 2025287 AMAQI
15th Jul 2025258 AMAQI
15th Jul 2025269 AMAQI
15th Jul 20252410 AMAQI
15th Jul 20252511 AMAQI
15th Jul 20252412 PMAQI
15th Jul 2025281 PMAQI
15th Jul 2025312 PMAQI
15th Jul 2025283 PMAQI
15th Jul 2025284 PMAQI
15th Jul 2025275 PMAQI
15th Jul 2025306 PMAQI
15th Jul 2025277 PMAQI
15th Jul 2025338 PMAQI
15th Jul 2025329 PMAQI
15th Jul 20253310 PMAQI
15th Jul 20252911 PMAQI
16th Jul 20252812 AMAQI
16th Jul 2025291 AMAQI
16th Jul 2025272 AMAQI
16th Jul 2025273 AMAQI
16th Jul 2025244 AMAQI

17°C11/23°C

16th Jul 2025255 AMAQI
16th Jul 2025266 AMAQI
16th Jul 2025247 AMAQI
16th Jul 2025248 AMAQI
16th Jul 2025259 AMAQI
16th Jul 20252310 AMAQI
16th Jul 20252311 AMAQI
16th Jul 20252312 PMAQI
16th Jul 2025211 PMAQI
16th Jul 2025242 PMAQI
16th Jul 2025243 PMAQI
16th Jul 2025274 PMAQI
16th Jul 2025255 PMAQI
16th Jul 2025246 PMAQI
16th Jul 2025287 PMAQI
16th Jul 2025278 PMAQI
16th Jul 2025349 PMAQI
16th Jul 20253010 PMAQI
16th Jul 20252811 PMAQI
17th Jul 20252812 AMAQI
17th Jul 2025261 AMAQI
17th Jul 2025262 AMAQI
17th Jul 2025263 AMAQI
17th Jul 2025264 AMAQI

17°C13/22°C

17th Jul 2025305 AMAQI
17th Jul 2025266 AMAQI
17th Jul 2025267 AMAQI
17th Jul 2025318 AMAQI
17th Jul 2025289 AMAQI
17th Jul 20252810 AMAQI
17th Jul 20252411 AMAQI
17th Jul 20252312 PMAQI
17th Jul 2025221 PMAQI
17th Jul 2025262 PMAQI
17th Jul 2025223 PMAQI
17th Jul 2025244 PMAQI
17th Jul 2025245 PMAQI
17th Jul 2025246 PMAQI
17th Jul 2025267 PMAQI
17th Jul 2025258 PMAQI
17th Jul 2025249 PMAQI
17th Jul 20252810 PMAQI
17th Jul 20253011 PMAQI
18th Jul 20253212 AMAQI
18th Jul 2025241 AMAQI
18th Jul 2025232 AMAQI
18th Jul 2025263 AMAQI
18th Jul 2025244 AMAQI

19°C13/26°C

18th Jul 2025225 AMAQI
18th Jul 2025326 AMAQI
18th Jul 2025337 AMAQI
18th Jul 2025388 AMAQI
18th Jul 2025449 AMAQI
18th Jul 20254310 AMAQI
18th Jul 20253211 AMAQI
18th Jul 20253212 PMAQI
18th Jul 2025351 PMAQI
18th Jul 2025342 PMAQI
18th Jul 2025333 PMAQI
18th Jul 2025324 PMAQI
18th Jul 2025335 PMAQI
18th Jul 2025336 PMAQI
18th Jul 2025337 PMAQI
18th Jul 2025338 PMAQI
18th Jul 2025299 PMAQI
18th Jul 20253010 PMAQI
18th Jul 20252811 PMAQI
19th Jul 20252812 AMAQI
19th Jul 2025321 AMAQI
19th Jul 2025282 AMAQI
19th Jul 2025263 AMAQI
19th Jul 2025274 AMAQI

23°C17/30°C

19th Jul 2025305 AMAQI
19th Jul 2025286 AMAQI
19th Jul 2025287 AMAQI
19th Jul 2025418 AMAQI
19th Jul 2025419 AMAQI
19th Jul 20253610 AMAQI
19th Jul 20252911 AMAQI
19th Jul 20252912 PMAQI
19th Jul 2025311 PMAQI
19th Jul 2025392 PMAQI
19th Jul 2025433 PMAQI
19th Jul 2025444 PMAQI
19th Jul 2025465 PMAQI
19th Jul 2025436 PMAQI
19th Jul 2025417 PMAQI
19th Jul 2025348 PMAQI
19th Jul 2025329 PMAQI
19th Jul 20253210 PMAQI
19th Jul 20253311 PMAQI
20th Jul 20253212 AMAQI
20th Jul 2025361 AMAQI
20th Jul 2025412 AMAQI
20th Jul 2025383 AMAQI
20th Jul 2025354 AMAQI

20°C17/26°C

20th Jul 2025455 AMAQI
20th Jul 2025426 AMAQI
20th Jul 2025397 AMAQI
20th Jul 2025498 AMAQI
20th Jul 2025469 AMAQI
20th Jul 20254210 AMAQI
20th Jul 20254311 AMAQI
20th Jul 20253412 PMAQI
20th Jul 2025381 PMAQI
20th Jul 2025362 PMAQI
20th Jul 2025373 PMAQI
20th Jul 2025374 PMAQI
20th Jul 2025285 PMAQI
20th Jul 2025326 PMAQI
20th Jul 2025317 PMAQI
20th Jul 2025328 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20253510 PMAQI
20th Jul 20253511 PMAQI
21st Jul 20253812 AMAQI
21st Jul 2025341 AMAQI
21st Jul 2025232 AMAQI
21st Jul 2025223 AMAQI
21st Jul 2025204 AMAQI

18°C15/21°C

21st Jul 2025205 AMAQI
21st Jul 2025196 AMAQI
21st Jul 2025207 AMAQI
21st Jul 2025228 AMAQI
21st Jul 2025199 AMAQI
21st Jul 20252210 AMAQI
21st Jul 20252211 AMAQI
21st Jul 20252012 PMAQI
21st Jul 2025221 PMAQI
21st Jul 2025242 PMAQI
21st Jul 2025223 PMAQI
21st Jul 2025224 PMAQI
21st Jul 2025235 PMAQI
21st Jul 2025226 PMAQI
21st Jul 2025217 PMAQI
21st Jul 2025238 PMAQI
21st Jul 2025219 PMAQI
21st Jul 20252110 PMAQI
21st Jul 20252211 PMAQI
22nd Jul 20252212 AMAQI
22nd Jul 2025221 AMAQI
22nd Jul 2025182 AMAQI
22nd Jul 2025243 AMAQI
22nd Jul 2025194 AMAQI

16°C13/21°C

22nd Jul 2025195 AMAQI
22nd Jul 2025196 AMAQI
22nd Jul 2025197 AMAQI
22nd Jul 2025208 AMAQI
22nd Jul 2025209 AMAQI
22nd Jul 20251910 AMAQI
22nd Jul 20251811 AMAQI
22nd Jul 20251912 PMAQI
22nd Jul 2025221 PMAQI
22nd Jul 2025222 PMAQI
22nd Jul 2025223 PMAQI
22nd Jul 2025244 PMAQI
22nd Jul 2025225 PMAQI
22nd Jul 2025206 PMAQI
22nd Jul 2025207 PMAQI
22nd Jul 2025208 PMAQI
22nd Jul 2025199 PMAQI
22nd Jul 20251910 PMAQI
22nd Jul 20251811 PMAQI
23rd Jul 20252112 AMAQI
23rd Jul 2025181 AMAQI
23rd Jul 2025182 AMAQI
23rd Jul 2025183 AMAQI
23rd Jul 2025204 AMAQI

18°C13/25°C

23rd Jul 2025185 AMAQI
23rd Jul 2025206 AMAQI
23rd Jul 2025217 AMAQI
23rd Jul 2025228 AMAQI
23rd Jul 2025259 AMAQI
23rd Jul 20252610 AMAQI
23rd Jul 20253211 AMAQI
23rd Jul 20252912 PMAQI
23rd Jul 2025251 PMAQI
23rd Jul 2025272 PMAQI
23rd Jul 2025243 PMAQI
23rd Jul 2025244 PMAQI
23rd Jul 2025215 PMAQI
23rd Jul 2025216 PMAQI
23rd Jul 2025217 PMAQI
23rd Jul 2025208 PMAQI
23rd Jul 2025209 PMAQI
23rd Jul 20252110 PMAQI
23rd Jul 20252111 PMAQI
24th Jul 20252212 AMAQI
24th Jul 2025341 AMAQI
24th Jul 2025412 AMAQI
24th Jul 2025383 AMAQI
24th Jul 2025394 AMAQI

17°C13/21°C

24th Jul 2025495 AMAQI
24th Jul 2025496 AMAQI
24th Jul 2025437 AMAQI
24th Jul 2025448 AMAQI
24th Jul 2025449 AMAQI
24th Jul 20253610 AMAQI
24th Jul 20253611 AMAQI
24th Jul 20253212 PMAQI
24th Jul 2025341 PMAQI
24th Jul 2025362 PMAQI
24th Jul 2025363 PMAQI
24th Jul 2025384 PMAQI
24th Jul 2025385 PMAQI
24th Jul 2025366 PMAQI
24th Jul 2025377 PMAQI
24th Jul 2025358 PMAQI
24th Jul 2025409 PMAQI
24th Jul 20253910 PMAQI
24th Jul 20254011 PMAQI
25th Jul 20254112 AMAQI
25th Jul 2025361 AMAQI
25th Jul 2025382 AMAQI
25th Jul 2025373 AMAQI
25th Jul 2025504 AMAQI

16°C14/17°C

25th Jul 2025405 AMAQI
25th Jul 2025506 AMAQI
25th Jul 2025337 AMAQI
25th Jul 2025378 AMAQI
25th Jul 2025319 AMAQI
25th Jul 20252710 AMAQI
25th Jul 20253011 AMAQI
25th Jul 20252812 PMAQI
25th Jul 2025321 PMAQI
25th Jul 2025362 PMAQI
25th Jul 2025413 PMAQI
25th Jul 2025384 PMAQI
25th Jul 2025375 PMAQI
25th Jul 2025396 PMAQI
25th Jul 2025387 PMAQI
25th Jul 2025388 PMAQI
25th Jul 2025359 PMAQI
25th Jul 20253610 PMAQI
25th Jul 20253411 PMAQI
26th Jul 20253212 AMAQI
26th Jul 2025361 AMAQI
26th Jul 2025422 AMAQI
26th Jul 2025423 AMAQI
26th Jul 2025434 AMAQI

19°C14/25°C

26th Jul 2025475 AMAQI
26th Jul 2025496 AMAQI
26th Jul 2025507 AMAQI
26th Jul 2025528 AMAQI
26th Jul 2025529 AMAQI
26th Jul 20255010 AMAQI
26th Jul 20254311 AMAQI
26th Jul 20254012 PMAQI
26th Jul 2025401 PMAQI
26th Jul 2025382 PMAQI
26th Jul 2025423 PMAQI
26th Jul 2025404 PMAQI
26th Jul 2025405 PMAQI
26th Jul 2025446 PMAQI
26th Jul 2025467 PMAQI
26th Jul 2025458 PMAQI
26th Jul 2025409 PMAQI
26th Jul 20254010 PMAQI
26th Jul 20253811 PMAQI
27th Jul 20253912 AMAQI
27th Jul 2025391 AMAQI
27th Jul 2025232 AMAQI
27th Jul 2025343 AMAQI
27th Jul 2025284 AMAQI

18°C15/22°C

27th Jul 2025245 AMAQI
27th Jul 2025246 AMAQI
27th Jul 2025257 AMAQI
27th Jul 2025278 AMAQI
27th Jul 2025279 AMAQI
27th Jul 20252610 AMAQI
27th Jul 20252411 AMAQI
27th Jul 20252212 PMAQI
27th Jul 2025241 PMAQI
27th Jul 2025242 PMAQI
27th Jul 2025243 PMAQI
27th Jul 2025244 PMAQI
27th Jul 2025255 PMAQI
27th Jul 2025276 PMAQI
27th Jul 2025267 PMAQI
27th Jul 2025258 PMAQI
27th Jul 2025259 PMAQI
27th Jul 20252910 PMAQI
27th Jul 20253011 PMAQI
28th Jul 20253012 AMAQI
28th Jul 2025301 AMAQI
28th Jul 2025272 AMAQI
28th Jul 2025283 AMAQI
28th Jul 2025254 AMAQI

17°C13/21°C

28th Jul 2025245 AMAQI
28th Jul 2025256 AMAQI
28th Jul 2025277 AMAQI
28th Jul 2025288 AMAQI
28th Jul 2025269 AMAQI
28th Jul 20252510 AMAQI
28th Jul 20252511 AMAQI
28th Jul 20252212 PMAQI
28th Jul 2025231 PMAQI
28th Jul 2025242 PMAQI
28th Jul 2025253 PMAQI
28th Jul 2025234 PMAQI
28th Jul 2025245 PMAQI
28th Jul 2025226 PMAQI
28th Jul 2025227 PMAQI
28th Jul 2025238 PMAQI
28th Jul 2025249 PMAQI
28th Jul 20252610 PMAQI
28th Jul 20252711 PMAQI
29th Jul 20253112 AMAQI
29th Jul 2025301 AMAQI
29th Jul 2025222 AMAQI
29th Jul 2025223 AMAQI
29th Jul 2025194 AMAQI

17°C12/23°C

29th Jul 2025185 AMAQI
29th Jul 2025176 AMAQI
29th Jul 2025187 AMAQI
29th Jul 2025238 AMAQI
29th Jul 2025229 AMAQI
29th Jul 20252310 AMAQI
29th Jul 20251811 AMAQI
29th Jul 20252012 PMAQI
29th Jul 2025181 PMAQI
29th Jul 2025202 PMAQI
29th Jul 2025203 PMAQI
29th Jul 2025204 PMAQI
29th Jul 2025195 PMAQI
29th Jul 2025216 PMAQI
29th Jul 2025237 PMAQI
29th Jul 2025248 PMAQI
29th Jul 2025249 PMAQI
29th Jul 20252410 PMAQI
29th Jul 20252711 PMAQI
30th Jul 20253012 AMAQI
30th Jul 2025221 AMAQI
30th Jul 2025212 AMAQI
30th Jul 2025213 AMAQI
30th Jul 2025204 AMAQI

17°C12/22°C

30th Jul 2025225 AMAQI
30th Jul 2025226 AMAQI
30th Jul 2025217 AMAQI
30th Jul 2025228 AMAQI
30th Jul 2025239 AMAQI
30th Jul 20252010 AMAQI
30th Jul 20252111 AMAQI
30th Jul 20252112 PMAQI
30th Jul 2025211 PMAQI
30th Jul 2025212 PMAQI
30th Jul 2025203 PMAQI
30th Jul 2025214 PMAQI
30th Jul 2025215 PMAQI
30th Jul 2025226 PMAQI
30th Jul 2025387 PMAQI
30th Jul 2025218 PMAQI
30th Jul 2025219 PMAQI
30th Jul 20252110 PMAQI
30th Jul 20252111 PMAQI
31st Jul 20252112 AMAQI
31st Jul 2025211 AMAQI
31st Jul 2025212 AMAQI
31st Jul 2025223 AMAQI
31st Jul 2025224 AMAQI

18°C12/24°C

31st Jul 2025225 AMAQI
31st Jul 2025216 AMAQI
31st Jul 2025227 AMAQI
31st Jul 2025288 AMAQI
31st Jul 2025249 AMAQI
31st Jul 20252210 AMAQI
31st Jul 20251911 AMAQI
31st Jul 20252412 PMAQI
31st Jul 2025221 PMAQI
31st Jul 2025222 PMAQI
31st Jul 2025213 PMAQI
31st Jul 2025204 PMAQI
31st Jul 2025205 PMAQI
31st Jul 2025206 PMAQI
31st Jul 2025237 PMAQI
31st Jul 2025248 PMAQI
31st Jul 2025269 PMAQI
31st Jul 20252410 PMAQI
31st Jul 20252211 PMAQI
1st Aug 20252412 AMAQI
1st Aug 2025201 AMAQI
1st Aug 2025192 AMAQI
1st Aug 2025193 AMAQI
1st Aug 2025214 AMAQI

18°C13/23°C

1st Aug 2025195 AMAQI
1st Aug 2025226 AMAQI
1st Aug 2025197 AMAQI
1st Aug 2025188 AMAQI
1st Aug 2025209 AMAQI
1st Aug 20251710 AMAQI
1st Aug 20251811 AMAQI
1st Aug 20252112 PMAQI
1st Aug 2025231 PMAQI
1st Aug 2025222 PMAQI
1st Aug 2025223 PMAQI
1st Aug 2025224 PMAQI
1st Aug 2025205 PMAQI
1st Aug 2025206 PMAQI
1st Aug 2025217 PMAQI
1st Aug 2025218 PMAQI
1st Aug 2025229 PMAQI
1st Aug 20252110 PMAQI
1st Aug 20252211 PMAQI
2nd Aug 20252212 AMAQI
2nd Aug 2025211 AMAQI
2nd Aug 2025202 AMAQI
2nd Aug 2025223 AMAQI
2nd Aug 2025204 AMAQI

16°C14/19°C

2nd Aug 2025185 AMAQI
2nd Aug 2025206 AMAQI
2nd Aug 2025207 AMAQI
2nd Aug 2025198 AMAQI
2nd Aug 2025219 AMAQI
2nd Aug 20252010 AMAQI
2nd Aug 20252111 AMAQI
2nd Aug 20252112 PMAQI
2nd Aug 2025211 PMAQI
2nd Aug 2025202 PMAQI
2nd Aug 2025203 PMAQI
2nd Aug 2025224 PMAQI
2nd Aug 2025205 PMAQI
2nd Aug 2025206 PMAQI
2nd Aug 2025217 PMAQI
2nd Aug 2025218 PMAQI
2nd Aug 2025219 PMAQI
2nd Aug 20252110 PMAQI
2nd Aug 20252211 PMAQI
3rd Aug 20252012 AMAQI
3rd Aug 2025201 AMAQI
3rd Aug 2025232 AMAQI
3rd Aug 2025233 AMAQI
3rd Aug 2025224 AMAQI

17°C13/20°C

3rd Aug 2025235 AMAQI
3rd Aug 2025206 AMAQI
3rd Aug 2025267 AMAQI
3rd Aug 2025248 AMAQI
3rd Aug 2025229 AMAQI
3rd Aug 20252910 AMAQI
3rd Aug 20252211 AMAQI
3rd Aug 20252412 PMAQI
3rd Aug 2025211 PMAQI
3rd Aug 2025222 PMAQI
3rd Aug 2025213 PMAQI
3rd Aug 2025214 PMAQI
3rd Aug 2025235 PMAQI
3rd Aug 2025216 PMAQI
3rd Aug 2025267 PMAQI
3rd Aug 2025228 PMAQI
3rd Aug 2025249 PMAQI
3rd Aug 20252210 PMAQI
3rd Aug 20252311 PMAQI
4th Aug 20252312 AMAQI
4th Aug 2025261 AMAQI
4th Aug 2025232 AMAQI
4th Aug 2025243 AMAQI
4th Aug 2025224 AMAQI

18°C11/24°C

4th Aug 2025215 AMAQI
4th Aug 2025236 AMAQI
4th Aug 2025237 AMAQI
4th Aug 2025228 AMAQI
4th Aug 2025249 AMAQI
4th Aug 20253410 AMAQI
4th Aug 20252411 AMAQI
4th Aug 20252012 PMAQI
4th Aug 2025211 PMAQI
4th Aug 2025222 PMAQI
4th Aug 2025233 PMAQI
4th Aug 2025234 PMAQI
4th Aug 2025215 PMAQI
4th Aug 2025226 PMAQI
4th Aug 2025227 PMAQI
4th Aug 2025228 PMAQI
4th Aug 2025239 PMAQI
4th Aug 20252310 PMAQI
4th Aug 20252311 PMAQI
5th Aug 20252312 AMAQI
5th Aug 2025231 AMAQI
5th Aug 2025222 AMAQI
5th Aug 2025223 AMAQI
5th Aug 2025224 AMAQI

18°C15/22°C

5th Aug 2025235 AMAQI
5th Aug 2025246 AMAQI
5th Aug 2025287 AMAQI
5th Aug 2025268 AMAQI
5th Aug 2025289 AMAQI
5th Aug 20253110 AMAQI
5th Aug 20253011 AMAQI
5th Aug 20253312 PMAQI
5th Aug 2025241 PMAQI
5th Aug 2025232 PMAQI
5th Aug 2025243 PMAQI
5th Aug 2025224 PMAQI
5th Aug 2025225 PMAQI
5th Aug 2025226 PMAQI
5th Aug 2025257 PMAQI
5th Aug 2025248 PMAQI
5th Aug 2025249 PMAQI
5th Aug 20252510 PMAQI
5th Aug 20252511 PMAQI
6th Aug 20252412 AMAQI
6th Aug 2025241 AMAQI
6th Aug 2025272 AMAQI
6th Aug 2025273 AMAQI
6th Aug 2025304 AMAQI

16°C12/20°C

6th Aug 2025245 AMAQI
6th Aug 2025246 AMAQI
6th Aug 2025247 AMAQI
6th Aug 2025288 AMAQI
6th Aug 2025309 AMAQI
6th Aug 20252910 AMAQI
6th Aug 20253011 AMAQI
6th Aug 20252912 PMAQI
6th Aug 2025291 PMAQI
6th Aug 2025272 PMAQI
6th Aug 2025283 PMAQI
6th Aug 2025284 PMAQI
6th Aug 2025255 PMAQI
6th Aug 2025286 PMAQI
6th Aug 2025287 PMAQI
6th Aug 2025268 PMAQI
6th Aug 2025249 PMAQI
6th Aug 20252510 PMAQI
6th Aug 20252611 PMAQI
7th Aug 20252512 AMAQI
7th Aug 2025271 AMAQI
7th Aug 2025302 AMAQI
7th Aug 2025303 AMAQI
7th Aug 2025294 AMAQI

17°C11/23°C

7th Aug 2025275 AMAQI
7th Aug 2025266 AMAQI
7th Aug 2025327 AMAQI
7th Aug 2025328 AMAQI
7th Aug 2025359 AMAQI
7th Aug 20253710 AMAQI
7th Aug 20253211 AMAQI
7th Aug 20253012 PMAQI
7th Aug 2025281 PMAQI
7th Aug 2025272 PMAQI
7th Aug 2025283 PMAQI
7th Aug 2025274 PMAQI
7th Aug 2025265 PMAQI
7th Aug 2025276 PMAQI
7th Aug 2025287 PMAQI
7th Aug 2025278 PMAQI
7th Aug 2025289 PMAQI
7th Aug 20252810 PMAQI
7th Aug 20252811 PMAQI
8th Aug 20252812 AMAQI
8th Aug 2025281 AMAQI
8th Aug 2025322 AMAQI
8th Aug 2025343 AMAQI
8th Aug 2025324 AMAQI

19°C13/25°C

8th Aug 2025325 AMAQI
8th Aug 2025356 AMAQI
8th Aug 2025347 AMAQI
8th Aug 2025368 AMAQI
8th Aug 2025389 AMAQI
8th Aug 20253510 AMAQI
8th Aug 20253411 AMAQI
8th Aug 20254012 PMAQI
8th Aug 2025401 PMAQI
8th Aug 2025352 PMAQI
8th Aug 2025343 PMAQI
8th Aug 2025344 PMAQI
8th Aug 2025325 PMAQI
8th Aug 2025326 PMAQI
8th Aug 2025377 PMAQI
8th Aug 2025368 PMAQI
8th Aug 2025359 PMAQI
8th Aug 20253710 PMAQI
8th Aug 20253611 PMAQI
9th Aug 20253512 AMAQI
9th Aug 2025371 AMAQI
9th Aug 2025352 AMAQI
9th Aug 2025363 AMAQI
9th Aug 2025324 AMAQI

20°C14/25°C

9th Aug 2025305 AMAQI
9th Aug 2025296 AMAQI
9th Aug 2025337 AMAQI
9th Aug 2025568 AMAQI
9th Aug 2025699 AMAQI
9th Aug 20256010 AMAQI
9th Aug 20253911 AMAQI
9th Aug 20253212 PMAQI
9th Aug 2025341 PMAQI
9th Aug 2025362 PMAQI
9th Aug 2025353 PMAQI
9th Aug 2025304 PMAQI
9th Aug 2025305 PMAQI
9th Aug 2025306 PMAQI
9th Aug 2025307 PMAQI
9th Aug 2025348 PMAQI
9th Aug 2025349 PMAQI
9th Aug 20253310 PMAQI
9th Aug 20253111 PMAQI
10th Aug 20254012 AMAQI
10th Aug 2025311 AMAQI
10th Aug 2025292 AMAQI
10th Aug 2025363 AMAQI
10th Aug 2025364 AMAQI

19°C13/26°C

10th Aug 2025355 AMAQI
10th Aug 2025356 AMAQI
10th Aug 2025347 AMAQI
10th Aug 2025348 AMAQI
10th Aug 2025349 AMAQI
10th Aug 20253510 AMAQI
10th Aug 20253811 AMAQI
10th Aug 20253412 PMAQI
10th Aug 2025321 PMAQI
10th Aug 2025332 PMAQI
10th Aug 2025333 PMAQI
10th Aug 2025324 PMAQI
10th Aug 2025345 PMAQI
10th Aug 2025336 PMAQI
10th Aug 2025337 PMAQI
10th Aug 2025318 PMAQI
10th Aug 2025319 PMAQI
10th Aug 20253210 PMAQI
10th Aug 20253111 PMAQI
11th Aug 20253412 AMAQI
11th Aug 2025291 AMAQI
11th Aug 2025362 AMAQI
11th Aug 2025403 AMAQI
11th Aug 2025404 AMAQI

19°C13/25°C

11th Aug 2025385 AMAQI
11th Aug 2025406 AMAQI
11th Aug 2025417 AMAQI
11th Aug 2025408 AMAQI
11th Aug 2025349 AMAQI
11th Aug 20254110 AMAQI
11th Aug 20254511 AMAQI
11th Aug 20253212 PMAQI
11th Aug 2025361 PMAQI
11th Aug 2025382 PMAQI
11th Aug 2025353 PMAQI
11th Aug 2025374 PMAQI
11th Aug 2025345 PMAQI
11th Aug 2025356 PMAQI
11th Aug 2025387 PMAQI
11th Aug 2025388 PMAQI
11th Aug 2025329 PMAQI
11th Aug 20253210 PMAQI
11th Aug 20253411 PMAQI
12th Aug 20253312 AMAQI
12th Aug 2025421 AMAQI
12th Aug 2025482 AMAQI
12th Aug 2025503 AMAQI
12th Aug 2025504 AMAQI

21°C15/28°C

12th Aug 2025505 AMAQI
12th Aug 2025506 AMAQI
12th Aug 2025517 AMAQI
12th Aug 2025538 AMAQI
12th Aug 2025549 AMAQI
12th Aug 20255310 AMAQI
12th Aug 20255111 AMAQI
12th Aug 20254812 PMAQI
12th Aug 2025481 PMAQI
12th Aug 2025482 PMAQI
12th Aug 2025503 PMAQI
12th Aug 2025514 PMAQI
12th Aug 2025525 PMAQI
12th Aug 2025486 PMAQI
12th Aug 2025527 PMAQI
12th Aug 2025528 PMAQI
12th Aug 2025509 PMAQI
12th Aug 20254810 PMAQI
12th Aug 20255011 PMAQI
13th Aug 20255112 AMAQI
13th Aug 2025501 AMAQI
13th Aug 2025552 AMAQI
13th Aug 2025563 AMAQI
13th Aug 2025574 AMAQI

22°C17/28°C

13th Aug 2025575 AMAQI
5 AM
13th Aug 2025566 AMAQI
13th Aug 2025577 AMAQI
13th Aug 2025568 AMAQI
13th Aug 2025589 AMAQI
13th Aug 20255510 AMAQI
13th Aug 20255511 AMAQI
13th Aug 20255712 PMAQI
12 PM
13th Aug 2025561 PMAQI
13th Aug 2025552 PMAQI
13th Aug 2025553 PMAQI
13th Aug 2025554 PMAQI
13th Aug 2025565 PMAQI
13th Aug 2025566 PMAQI
13th Aug 2025557 PMAQI
13th Aug 2025548 PMAQI
8 PM
13th Aug 2025569 PMAQI
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
8 AM - 10 AM

33AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
11 AM - 6 PM

30AQI

8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 10 AM (Avg. 33), while the lowest AQI was between 11 AM to 6 PM (Avg. 30).
Night time
Avg. Highest Time
12 AM - 11 PM

29AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM

29AQI

8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 29), while the lowest AQI was between 12 AM to 11 PM (Avg. 29).

2025 Days Vs Air Quality

Norwich Castle Meadow, Norwich, Norfolk, United Kingdom

2025

72%

162

27%

61

0.4%

1

Total number of days with different AQI categories in last 225 days in 2025 (140 days remaining)

Good
162 Days
Moderate
61 Days
Poor
1 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 72%

Health Risk Level:

Low

In 2025, 72% of 225 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 Castle Meadow, Norwich, Norfolk, United Kingdom

AQI levels in 2025

AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

1st January 2025
33AQI
2nd January 2025
30AQI
3rd January 2025
40AQI
4th January 2025
55AQI
5th January 2025
34AQI
6th January 2025
23AQI
7th January 2025
24AQI
8th January 2025
43AQI
9th January 2025
52AQI
10th January 2025
56AQI
11th January 2025
75AQI
12th January 2025
79AQI
13th January 2025
57AQI
14th January 2025
62AQI
15th January 2025
51AQI
16th January 2025
54AQI
17th January 2025
64AQI
18th January 2025
66AQI
19th January 2025
74AQI
20th January 2025
81AQI
21st January 2025
65AQI
22nd January 2025
71AQI
23rd January 2025
55AQI
24th January 2025
37AQI
25th January 2025
39AQI
26th January 2025
34AQI
27th January 2025
27AQI
28th January 2025
27AQI
29th January 2025
29AQI
30th January 2025
27AQI
31st January 2025
32AQI
1st February 2025
46AQI
2nd February 2025
56AQI
3rd February 2025
59AQI
4th February 2025
55AQI
5th February 2025
51AQI
6th February 2025
48AQI
7th February 2025
44AQI
8th February 2025
69AQI
9th February 2025
87AQI
10th February 2025
79AQI
11th February 2025
83AQI
12th February 2025
71AQI
13th February 2025
68AQI
14th February 2025
61AQI
15th February 2025
74AQI
16th February 2025
61AQI
17th February 2025
54AQI
18th February 2025
66AQI
19th February 2025
81AQI
20th February 2025
64AQI
21st February 2025
46AQI
22nd February 2025
45AQI
23rd February 2025
41AQI
24th February 2025
30AQI
25th February 2025
54AQI
26th February 2025
38AQI
27th February 2025
36AQI
28th February 2025
47AQI
1st March 2025
47AQI
2nd March 2025
53AQI
3rd March 2025
64AQI
4th March 2025
71AQI
5th March 2025
83AQI
6th March 2025
86AQI
7th March 2025
56AQI
8th March 2025
68AQI
9th March 2025
89AQI
10th March 2025
118AQI
11th March 2025
54AQI
12th March 2025
30AQI
13th March 2025
36AQI
14th March 2025
30AQI
15th March 2025
32AQI
16th March 2025
29AQI
17th March 2025
33AQI
18th March 2025
47AQI
19th March 2025
60AQI
20th March 2025
73AQI
21st March 2025
78AQI
22nd March 2025
58AQI
23rd March 2025
82AQI
24th March 2025
80AQI
25th March 2025
73AQI
26th March 2025
42AQI
27th March 2025
49AQI
28th March 2025
34AQI
29th March 2025
30AQI
30th March 2025
38AQI
31st March 2025
32AQI
1st April 2025
33AQI
2nd April 2025
40AQI
3rd April 2025
59AQI
4th April 2025
60AQI
5th April 2025
39AQI
6th April 2025
29AQI
7th April 2025
29AQI
8th April 2025
37AQI
9th April 2025
32AQI
10th April 2025
31AQI
11th April 2025
56AQI
12th April 2025
71AQI
13th April 2025
56AQI
14th April 2025
28AQI
15th April 2025
55AQI
16th April 2025
30AQI
17th April 2025
24AQI
18th April 2025
33AQI
19th April 2025
31AQI
20th April 2025
25AQI
21st April 2025
36AQI
22nd April 2025
43AQI
23rd April 2025
33AQI
24th April 2025
39AQI
25th April 2025
28AQI
26th April 2025
48AQI
27th April 2025
49AQI
28th April 2025
45AQI
29th April 2025
50AQI
30th April 2025
49AQI
1st May 2025
59AQI
2nd May 2025
60AQI
3rd May 2025
32AQI
4th May 2025
23AQI
5th May 2025
23AQI
6th May 2025
23AQI
7th May 2025
25AQI
8th May 2025
31AQI
9th May 2025
35AQI
10th May 2025
32AQI
11th May 2025
33AQI
12th May 2025
39AQI
13th May 2025
36AQI
14th May 2025
38AQI
15th May 2025
42AQI
16th May 2025
44AQI
17th May 2025
38AQI
18th May 2025
42AQI
19th May 2025
38AQI
20th May 2025
36AQI
21st May 2025
39AQI
22nd May 2025
31AQI
23rd May 2025
25AQI
24th May 2025
30AQI
25th May 2025
24AQI
26th May 2025
26AQI
27th May 2025
24AQI
28th May 2025
18AQI
29th May 2025
29AQI
30th May 2025
24AQI
31st May 2025
27AQI
1st June 2025
32AQI
2nd June 2025
24AQI
3rd June 2025
29AQI
4th June 2025
26AQI
5th June 2025
24AQI
6th June 2025
19AQI
7th June 2025
19AQI
8th June 2025
19AQI
9th June 2025
51AQI
10th June 2025
56AQI
11th June 2025
35AQI
12th June 2025
45AQI
13th June 2025
52AQI
14th June 2025
46AQI
15th June 2025
30AQI
16th June 2025
30AQI
17th June 2025
34AQI
18th June 2025
39AQI
19th June 2025
35AQI
20th June 2025
33AQI
21st June 2025
39AQI
22nd June 2025
41AQI
23rd June 2025
27AQI
24th June 2025
26AQI
25th June 2025
21AQI
26th June 2025
26AQI
27th June 2025
24AQI
28th June 2025
25AQI
29th June 2025
38AQI
30th June 2025
37AQI
1st July 2025
41AQI
2nd July 2025
42AQI
3rd July 2025
25AQI
4th July 2025
23AQI
5th July 2025
23AQI
6th July 2025
21AQI
7th July 2025
21AQI
8th July 2025
23AQI
9th July 2025
27AQI
10th July 2025
28AQI
11th July 2025
30AQI
12th July 2025
31AQI
13th July 2025
32AQI
14th July 2025
37AQI
15th July 2025
29AQI
16th July 2025
26AQI
17th July 2025
26AQI
18th July 2025
31AQI
19th July 2025
34AQI
20th July 2025
37AQI
21st July 2025
23AQI
22nd July 2025
20AQI
23rd July 2025
22AQI
24th July 2025
38AQI
25th July 2025
37AQI
26th July 2025
43AQI
27th July 2025
27AQI
28th July 2025
25AQI
29th July 2025
22AQI
30th July 2025
22AQI
31st July 2025
22AQI
1st August 2025
20AQI
2nd August 2025
21AQI
3rd August 2025
23AQI
4th August 2025
23AQI
5th August 2025
24AQI
6th August 2025
27AQI
7th August 2025
29AQI
8th August 2025
34AQI
9th August 2025
36AQI
10th August 2025
33AQI
11th August 2025
36AQI
12th August 2025
49AQI

48AQI

58AQI

57AQI

41AQI

33AQI

33AQI

29AQI

30AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202542AQI

15
16
10
18
14
16
1
24
6
29
2
27
3
31
12
162
61
1

Highest AQI recorded in

February

58AQI

Lowest AQI recorded in

July

29AQI

202433AQI

16
1
3
2
12
29
1
31
31
21
8
31
23
7
27
4
227
20

Highest AQI recorded in

November

40AQI

Lowest AQI recorded in

February

17AQI

202326AQI

3
31
34

Highest AQI recorded in

November

28AQI

Lowest AQI recorded in

December

25AQI

202036AQI

9
4
17
2
18
9
4
30
1
24
3
26
3
31
16
5
180
22

Highest AQI recorded in

March

46AQI

Lowest AQI recorded in

May

28AQI

Most & Least Polluted Years Over the Last 4 Years

Most Polluted Year Recorded
2025(Avg.)
42AQI
Least Polluted Year Recorded
2023(Avg.)
26AQI

Norwich Castle Meadow's annual 2025 AQI (42) shows an average percentage change of 35.5% (worsened AQI) compared to previous years: 2020 (36), 2023 (26), 2024 (33).