Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Leigh On Sea, Southend On Sea, 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

Leigh On Sea, Southend On Sea, United Kingdom

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
18th Aug 2023
67AQI
Lowest AQI recorded on
8th Aug 2023
18AQI

Same Day Analysis (20th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 29 of Good air quality, showing improvement over 2024 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 20th Aug - 21st Aug 2025

Leigh On Sea, Southend On Sea, United Kingdom

AQI
Day
Night
.

5 AM20th Aug 2025

8 PM

4 AM21st Aug 2025

Day time
Avg. Highest Time
7PM20th Aug

37AQI

Avg. Lowest Time
7AM20th Aug

24AQI

Night time
Avg. Highest Time
1AM21st Aug

31AQI

Avg. Lowest Time
3AM21st Aug

26AQI

In the last 24 hours,

Leigh On Sea's AQI reached its highest point of 37 at 7 PM during the Day, while the lowest point, 24, was recorded at 7 AM during the Day between 20th Aug and 21st Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Leigh On Sea, Southend On Sea, United Kingdom

JulAug
22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st
Day
Night
22nd Jul 2025175 AMAQI
22nd Jul 2025176 AMAQI
22nd Jul 2025237 AMAQI
22nd Jul 2025198 AMAQI
22nd Jul 2025189 AMAQI
22nd Jul 20251810 AMAQI
22nd Jul 20251711 AMAQI
22nd Jul 20251712 PMAQI
22nd Jul 2025181 PMAQI
22nd Jul 2025172 PMAQI
22nd Jul 2025183 PMAQI
22nd Jul 2025184 PMAQI
22nd Jul 2025185 PMAQI
22nd Jul 2025186 PMAQI
22nd Jul 2025187 PMAQI
22nd Jul 2025198 PMAQI
22nd Jul 2025199 PMAQI
22nd Jul 20251910 PMAQI
22nd Jul 20251911 PMAQI
23rd Jul 20251812 AMAQI
23rd Jul 2025181 AMAQI
23rd Jul 2025192 AMAQI
23rd Jul 2025203 AMAQI
23rd Jul 2025224 AMAQI

19°C15/22°C

23rd Jul 2025225 AMAQI
23rd Jul 2025206 AMAQI
23rd Jul 2025197 AMAQI
23rd Jul 2025218 AMAQI
23rd Jul 2025219 AMAQI
23rd Jul 20252110 AMAQI
23rd Jul 20252211 AMAQI
23rd Jul 20252212 PMAQI
23rd Jul 2025221 PMAQI
23rd Jul 2025232 PMAQI
23rd Jul 2025233 PMAQI
23rd Jul 2025254 PMAQI
23rd Jul 2025295 PMAQI
23rd Jul 2025306 PMAQI
23rd Jul 2025267 PMAQI
23rd Jul 2025248 PMAQI
23rd Jul 2025229 PMAQI
23rd Jul 20252310 PMAQI
23rd Jul 20252311 PMAQI
24th Jul 20252212 AMAQI
24th Jul 2025261 AMAQI
24th Jul 2025502 AMAQI
24th Jul 2025503 AMAQI
24th Jul 2025584 AMAQI

18°C15/21°C

24th Jul 2025575 AMAQI
24th Jul 2025516 AMAQI
24th Jul 2025467 AMAQI
24th Jul 2025488 AMAQI
24th Jul 2025469 AMAQI
24th Jul 20254110 AMAQI
24th Jul 20254211 AMAQI
24th Jul 20254512 PMAQI
24th Jul 2025471 PMAQI
24th Jul 2025462 PMAQI
24th Jul 2025443 PMAQI
24th Jul 2025394 PMAQI
24th Jul 2025415 PMAQI
24th Jul 2025406 PMAQI
24th Jul 2025427 PMAQI
24th Jul 2025428 PMAQI
24th Jul 2025439 PMAQI
24th Jul 20254310 PMAQI
24th Jul 20254411 PMAQI
25th Jul 20254312 AMAQI
25th Jul 2025411 AMAQI
25th Jul 2025402 AMAQI
25th Jul 2025343 AMAQI
25th Jul 2025294 AMAQI

17°C15/20°C

25th Jul 2025265 AMAQI
25th Jul 2025246 AMAQI
25th Jul 2025267 AMAQI
25th Jul 2025268 AMAQI
25th Jul 2025249 AMAQI
25th Jul 20252510 AMAQI
25th Jul 20252611 AMAQI
25th Jul 20252912 PMAQI
25th Jul 2025311 PMAQI
25th Jul 2025302 PMAQI
25th Jul 2025313 PMAQI
25th Jul 2025334 PMAQI
25th Jul 2025335 PMAQI
25th Jul 2025346 PMAQI
25th Jul 2025387 PMAQI
25th Jul 2025368 PMAQI
25th Jul 2025349 PMAQI
25th Jul 20253310 PMAQI
25th Jul 20253411 PMAQI
26th Jul 20253212 AMAQI
26th Jul 2025341 AMAQI
26th Jul 2025422 AMAQI
26th Jul 2025453 AMAQI
26th Jul 2025454 AMAQI

19°C16/23°C

26th Jul 2025445 AMAQI
26th Jul 2025486 AMAQI
26th Jul 2025507 AMAQI
26th Jul 2025488 AMAQI
26th Jul 2025489 AMAQI
26th Jul 20254210 AMAQI
26th Jul 20254011 AMAQI
26th Jul 20253912 PMAQI
26th Jul 2025401 PMAQI
26th Jul 2025392 PMAQI
26th Jul 2025383 PMAQI
26th Jul 2025394 PMAQI
26th Jul 2025385 PMAQI
26th Jul 2025376 PMAQI
26th Jul 2025387 PMAQI
26th Jul 2025388 PMAQI
26th Jul 2025409 PMAQI
26th Jul 20254210 PMAQI
26th Jul 20254211 PMAQI
27th Jul 20254212 AMAQI
27th Jul 2025411 AMAQI
27th Jul 2025362 AMAQI
27th Jul 2025313 AMAQI
27th Jul 2025284 AMAQI

19°C17/22°C

27th Jul 2025225 AMAQI
27th Jul 2025226 AMAQI
27th Jul 2025247 AMAQI
27th Jul 2025238 AMAQI
27th Jul 2025229 AMAQI
27th Jul 20252210 AMAQI
27th Jul 20252411 AMAQI
27th Jul 20252412 PMAQI
27th Jul 2025271 PMAQI
27th Jul 2025282 PMAQI
27th Jul 2025303 PMAQI
27th Jul 2025304 PMAQI
27th Jul 2025285 PMAQI
27th Jul 2025296 PMAQI
27th Jul 2025287 PMAQI
27th Jul 2025288 PMAQI
27th Jul 2025289 PMAQI
27th Jul 20252810 PMAQI
27th Jul 20252811 PMAQI
28th Jul 20252912 AMAQI
28th Jul 2025281 AMAQI
28th Jul 2025262 AMAQI
28th Jul 2025253 AMAQI
28th Jul 2025274 AMAQI

17°C15/21°C

28th Jul 2025285 AMAQI
28th Jul 2025276 AMAQI
28th Jul 2025287 AMAQI
28th Jul 2025288 AMAQI
28th Jul 2025289 AMAQI
28th Jul 20252910 AMAQI
28th Jul 20252611 AMAQI
28th Jul 20252612 PMAQI
28th Jul 2025271 PMAQI
28th Jul 2025272 PMAQI
28th Jul 2025263 PMAQI
28th Jul 2025254 PMAQI
28th Jul 2025265 PMAQI
28th Jul 2025266 PMAQI
28th Jul 2025267 PMAQI
28th Jul 2025278 PMAQI
28th Jul 2025289 PMAQI
28th Jul 20252810 PMAQI
28th Jul 20252811 PMAQI
29th Jul 20252812 AMAQI
29th Jul 2025281 AMAQI
29th Jul 2025332 AMAQI
29th Jul 2025303 AMAQI
29th Jul 2025264 AMAQI

18°C13/21°C

29th Jul 2025265 AMAQI
29th Jul 2025266 AMAQI
29th Jul 2025247 AMAQI
29th Jul 2025228 AMAQI
29th Jul 2025249 AMAQI
29th Jul 20252610 AMAQI
29th Jul 20252411 AMAQI
29th Jul 20252412 PMAQI
29th Jul 2025261 PMAQI
29th Jul 2025272 PMAQI
29th Jul 2025263 PMAQI
29th Jul 2025274 PMAQI
29th Jul 2025265 PMAQI
29th Jul 2025276 PMAQI
29th Jul 2025267 PMAQI
29th Jul 2025278 PMAQI
29th Jul 2025289 PMAQI
29th Jul 20253010 PMAQI
29th Jul 20253011 PMAQI
30th Jul 20252912 AMAQI
30th Jul 2025291 AMAQI
30th Jul 2025312 AMAQI
30th Jul 2025363 AMAQI
30th Jul 2025344 AMAQI

17°C14/20°C

30th Jul 2025325 AMAQI
30th Jul 2025306 AMAQI
30th Jul 2025247 AMAQI
30th Jul 2025268 AMAQI
30th Jul 2025259 AMAQI
30th Jul 20252510 AMAQI
30th Jul 20252411 AMAQI
30th Jul 20252612 PMAQI
30th Jul 2025271 PMAQI
30th Jul 2025272 PMAQI
30th Jul 2025273 PMAQI
30th Jul 2025264 PMAQI
30th Jul 2025285 PMAQI
30th Jul 2025276 PMAQI
30th Jul 2025287 PMAQI
30th Jul 2025258 PMAQI
30th Jul 2025249 PMAQI
30th Jul 20252410 PMAQI
30th Jul 20252411 PMAQI
31st Jul 20252412 AMAQI
31st Jul 2025241 AMAQI
31st Jul 2025242 AMAQI
31st Jul 2025253 AMAQI
31st Jul 2025244 AMAQI

19°C16/22°C

31st Jul 2025225 AMAQI
31st Jul 2025226 AMAQI
31st Jul 2025227 AMAQI
31st Jul 2025218 AMAQI
31st Jul 2025249 AMAQI
31st Jul 20252510 AMAQI
31st Jul 20252611 AMAQI
31st Jul 20252212 PMAQI
31st Jul 2025221 PMAQI
31st Jul 2025212 PMAQI
31st Jul 2025243 PMAQI
31st Jul 2025244 PMAQI
31st Jul 2025235 PMAQI
31st Jul 2025256 PMAQI
31st Jul 2025257 PMAQI
31st Jul 2025248 PMAQI
31st Jul 2025249 PMAQI
31st Jul 20252410 PMAQI
31st Jul 20252311 PMAQI
1st Aug 20252412 AMAQI
1st Aug 2025221 AMAQI
1st Aug 2025222 AMAQI
1st Aug 2025223 AMAQI
1st Aug 2025214 AMAQI

19°C16/23°C

1st Aug 2025195 AMAQI
1st Aug 2025206 AMAQI
1st Aug 2025217 AMAQI
1st Aug 2025188 AMAQI
1st Aug 2025219 AMAQI
1st Aug 20252210 AMAQI
1st Aug 20252011 AMAQI
1st Aug 20252212 PMAQI
1st Aug 2025241 PMAQI
1st Aug 2025232 PMAQI
1st Aug 2025243 PMAQI
1st Aug 2025214 PMAQI
1st Aug 2025195 PMAQI
1st Aug 2025216 PMAQI
1st Aug 2025237 PMAQI
1st Aug 2025228 PMAQI
1st Aug 2025229 PMAQI
1st Aug 20252210 PMAQI
1st Aug 20252211 PMAQI
2nd Aug 20252212 AMAQI
2nd Aug 2025221 AMAQI
2nd Aug 2025212 AMAQI
2nd Aug 2025233 AMAQI
2nd Aug 2025224 AMAQI

17°C14/20°C

2nd Aug 2025185 AMAQI
2nd Aug 2025206 AMAQI
2nd Aug 2025187 AMAQI
2nd Aug 2025208 AMAQI
2nd Aug 2025199 AMAQI
2nd Aug 20251810 AMAQI
2nd Aug 20252011 AMAQI
2nd Aug 20252012 PMAQI
2nd Aug 2025211 PMAQI
2nd Aug 2025212 PMAQI
2nd Aug 2025223 PMAQI
2nd Aug 2025204 PMAQI
2nd Aug 2025215 PMAQI
2nd Aug 2025206 PMAQI
2nd Aug 2025207 PMAQI
2nd Aug 2025208 PMAQI
2nd Aug 2025229 PMAQI
2nd Aug 20252210 PMAQI
2nd Aug 20252211 PMAQI
3rd Aug 20252012 AMAQI
3rd Aug 2025211 AMAQI
3rd Aug 2025262 AMAQI
3rd Aug 2025253 AMAQI
3rd Aug 2025284 AMAQI

18°C13/21°C

3rd Aug 2025305 AMAQI
3rd Aug 2025336 AMAQI
3rd Aug 2025297 AMAQI
3rd Aug 2025328 AMAQI
3rd Aug 2025269 AMAQI
3rd Aug 20252810 AMAQI
3rd Aug 20252411 AMAQI
3rd Aug 20252412 PMAQI
3rd Aug 2025211 PMAQI
3rd Aug 2025212 PMAQI
3rd Aug 2025223 PMAQI
3rd Aug 2025224 PMAQI
3rd Aug 2025265 PMAQI
3rd Aug 2025226 PMAQI
3rd Aug 2025227 PMAQI
3rd Aug 2025258 PMAQI
3rd Aug 2025269 PMAQI
3rd Aug 20252610 PMAQI
3rd Aug 20252511 PMAQI
4th Aug 20252512 AMAQI
4th Aug 2025241 AMAQI
4th Aug 2025232 AMAQI
4th Aug 2025243 AMAQI
4th Aug 2025254 AMAQI

19°C14/24°C

4th Aug 2025225 AMAQI
4th Aug 2025226 AMAQI
4th Aug 2025237 AMAQI
4th Aug 2025268 AMAQI
4th Aug 2025249 AMAQI
4th Aug 20252610 AMAQI
4th Aug 20252311 AMAQI
4th Aug 20252212 PMAQI
4th Aug 2025231 PMAQI
4th Aug 2025232 PMAQI
4th Aug 2025223 PMAQI
4th Aug 2025224 PMAQI
4th Aug 2025225 PMAQI
4th Aug 2025256 PMAQI
4th Aug 2025247 PMAQI
4th Aug 2025228 PMAQI
4th Aug 2025239 PMAQI
4th Aug 20252310 PMAQI
4th Aug 20252411 PMAQI
5th Aug 20252412 AMAQI
5th Aug 2025241 AMAQI
5th Aug 2025232 AMAQI
5th Aug 2025203 AMAQI
5th Aug 2025214 AMAQI

20°C16/23°C

5th Aug 2025235 AMAQI
5th Aug 2025226 AMAQI
5th Aug 2025267 AMAQI
5th Aug 2025268 AMAQI
5th Aug 2025289 AMAQI
5th Aug 20252210 AMAQI
5th Aug 20252211 AMAQI
5th Aug 20252312 PMAQI
5th Aug 2025231 PMAQI
5th Aug 2025232 PMAQI
5th Aug 2025243 PMAQI
5th Aug 2025224 PMAQI
5th Aug 2025225 PMAQI
5th Aug 2025236 PMAQI
5th Aug 2025237 PMAQI
5th Aug 2025248 PMAQI
5th Aug 2025249 PMAQI
5th Aug 20252410 PMAQI
5th Aug 20252411 PMAQI
6th Aug 20252412 AMAQI
6th Aug 2025231 AMAQI
6th Aug 2025242 AMAQI
6th Aug 2025303 AMAQI
6th Aug 2025314 AMAQI

18°C14/22°C

6th Aug 2025225 AMAQI
6th Aug 2025246 AMAQI
6th Aug 2025277 AMAQI
6th Aug 2025288 AMAQI
6th Aug 2025329 AMAQI
6th Aug 20253210 AMAQI
6th Aug 20253211 AMAQI
6th Aug 20253112 PMAQI
6th Aug 2025301 PMAQI
6th Aug 2025272 PMAQI
6th Aug 2025283 PMAQI
6th Aug 2025284 PMAQI
6th Aug 2025265 PMAQI
6th Aug 2025276 PMAQI
6th Aug 2025257 PMAQI
6th Aug 2025258 PMAQI
6th Aug 2025249 PMAQI
6th Aug 20252410 PMAQI
6th Aug 20252611 PMAQI
7th Aug 20252412 AMAQI
7th Aug 2025281 AMAQI
7th Aug 2025292 AMAQI
7th Aug 2025293 AMAQI
7th Aug 2025264 AMAQI

18°C14/21°C

7th Aug 2025265 AMAQI
7th Aug 2025276 AMAQI
7th Aug 2025267 AMAQI
7th Aug 2025288 AMAQI
7th Aug 2025289 AMAQI
7th Aug 20252910 AMAQI
7th Aug 20253011 AMAQI
7th Aug 20253012 PMAQI
7th Aug 2025301 PMAQI
7th Aug 2025282 PMAQI
7th Aug 2025303 PMAQI
7th Aug 2025284 PMAQI
7th Aug 2025295 PMAQI
7th Aug 2025286 PMAQI
7th Aug 2025287 PMAQI
7th Aug 2025308 PMAQI
7th Aug 2025289 PMAQI
7th Aug 20253010 PMAQI
7th Aug 20252811 PMAQI
8th Aug 20252812 AMAQI
8th Aug 2025281 AMAQI
8th Aug 2025272 AMAQI
8th Aug 2025283 AMAQI
8th Aug 2025324 AMAQI

19°C15/23°C

8th Aug 2025445 AMAQI
8th Aug 2025476 AMAQI
8th Aug 2025417 AMAQI
8th Aug 2025418 AMAQI
8th Aug 2025459 AMAQI
8th Aug 20254210 AMAQI
8th Aug 20253911 AMAQI
8th Aug 20253512 PMAQI
8th Aug 2025351 PMAQI
8th Aug 2025332 PMAQI
8th Aug 2025343 PMAQI
8th Aug 2025344 PMAQI
8th Aug 2025345 PMAQI
8th Aug 2025336 PMAQI
8th Aug 2025347 PMAQI
8th Aug 2025358 PMAQI
8th Aug 2025349 PMAQI
8th Aug 20253510 PMAQI
8th Aug 20253411 PMAQI
9th Aug 20253512 AMAQI
9th Aug 2025321 AMAQI
9th Aug 2025252 AMAQI
9th Aug 2025333 AMAQI
9th Aug 2025304 AMAQI

19°C16/23°C

9th Aug 2025305 AMAQI
9th Aug 2025306 AMAQI
9th Aug 2025307 AMAQI
9th Aug 2025288 AMAQI
9th Aug 2025289 AMAQI
9th Aug 20252410 AMAQI
9th Aug 20252711 AMAQI
9th Aug 20252512 PMAQI
9th Aug 2025281 PMAQI
9th Aug 2025272 PMAQI
9th Aug 2025273 PMAQI
9th Aug 2025284 PMAQI
9th Aug 2025265 PMAQI
9th Aug 2025286 PMAQI
9th Aug 2025287 PMAQI
9th Aug 2025288 PMAQI
9th Aug 2025289 PMAQI
9th Aug 20252910 PMAQI
9th Aug 20252911 PMAQI
10th Aug 20252912 AMAQI
10th Aug 2025311 AMAQI
10th Aug 2025342 AMAQI
10th Aug 2025363 AMAQI
10th Aug 2025404 AMAQI

20°C15/24°C

10th Aug 2025405 AMAQI
10th Aug 2025426 AMAQI
10th Aug 2025447 AMAQI
10th Aug 2025518 AMAQI
10th Aug 2025509 AMAQI
10th Aug 20254610 AMAQI
10th Aug 20254411 AMAQI
10th Aug 20254612 PMAQI
10th Aug 2025411 PMAQI
10th Aug 2025382 PMAQI
10th Aug 2025383 PMAQI
10th Aug 2025404 PMAQI
10th Aug 2025405 PMAQI
10th Aug 2025416 PMAQI
10th Aug 2025447 PMAQI
10th Aug 2025428 PMAQI
10th Aug 2025409 PMAQI
10th Aug 20254010 PMAQI
10th Aug 20253911 PMAQI
11th Aug 20254112 AMAQI
11th Aug 2025411 AMAQI
11th Aug 2025462 AMAQI
11th Aug 2025473 AMAQI
11th Aug 2025504 AMAQI

18°C15/20°C

11th Aug 2025525 AMAQI
11th Aug 2025526 AMAQI
11th Aug 2025527 AMAQI
11th Aug 2025558 AMAQI
11th Aug 2025579 AMAQI
11th Aug 20255410 AMAQI
11th Aug 20255411 AMAQI
11th Aug 20255312 PMAQI
11th Aug 2025531 PMAQI
11th Aug 2025532 PMAQI
11th Aug 2025523 PMAQI
11th Aug 2025524 PMAQI
11th Aug 2025525 PMAQI
11th Aug 2025506 PMAQI
11th Aug 2025527 PMAQI
11th Aug 2025518 PMAQI
11th Aug 2025529 PMAQI
11th Aug 20255110 PMAQI
11th Aug 20255211 PMAQI
12th Aug 20255212 AMAQI
12th Aug 2025501 AMAQI
12th Aug 2025522 AMAQI
12th Aug 2025543 AMAQI
12th Aug 2025484 AMAQI

20°C17/21°C

12th Aug 2025505 AMAQI
12th Aug 2025526 AMAQI
12th Aug 2025467 AMAQI
12th Aug 2025548 AMAQI
12th Aug 2025589 AMAQI
12th Aug 20255610 AMAQI
12th Aug 20255811 AMAQI
12th Aug 20255412 PMAQI
12th Aug 2025551 PMAQI
12th Aug 2025522 PMAQI
12th Aug 2025523 PMAQI
12th Aug 2025514 PMAQI
12th Aug 2025515 PMAQI
12th Aug 2025506 PMAQI
12th Aug 2025497 PMAQI
12th Aug 2025518 PMAQI
12th Aug 2025509 PMAQI
12th Aug 20255210 PMAQI
12th Aug 20255211 PMAQI
13th Aug 20255112 AMAQI
13th Aug 2025571 AMAQI
13th Aug 2025622 AMAQI
13th Aug 2025623 AMAQI
13th Aug 2025604 AMAQI

21°C19/22°C

13th Aug 2025645 AMAQI
13th Aug 2025656 AMAQI
13th Aug 2025627 AMAQI
13th Aug 2025618 AMAQI
13th Aug 2025589 AMAQI
13th Aug 20255710 AMAQI
13th Aug 20255511 AMAQI
13th Aug 20255812 PMAQI
13th Aug 2025561 PMAQI
13th Aug 2025562 PMAQI
13th Aug 2025583 PMAQI
13th Aug 2025574 PMAQI
13th Aug 2025585 PMAQI
13th Aug 2025586 PMAQI
13th Aug 2025567 PMAQI
13th Aug 2025578 PMAQI
13th Aug 2025579 PMAQI
13th Aug 20255710 PMAQI
13th Aug 20255711 PMAQI
14th Aug 20255912 AMAQI
14th Aug 2025561 AMAQI
14th Aug 2025582 AMAQI
14th Aug 2025573 AMAQI
14th Aug 2025584 AMAQI

22°C18/28°C

14th Aug 2025555 AMAQI
14th Aug 2025566 AMAQI
14th Aug 2025577 AMAQI
14th Aug 2025578 AMAQI
14th Aug 2025609 AMAQI
14th Aug 20255810 AMAQI
14th Aug 20255211 AMAQI
14th Aug 20255312 PMAQI
14th Aug 2025551 PMAQI
14th Aug 2025532 PMAQI
14th Aug 2025523 PMAQI
14th Aug 2025524 PMAQI
14th Aug 2025525 PMAQI
14th Aug 2025506 PMAQI
14th Aug 2025527 PMAQI
14th Aug 2025558 PMAQI
14th Aug 2025569 PMAQI
14th Aug 20255510 PMAQI
14th Aug 20255511 PMAQI
15th Aug 20255612 AMAQI
15th Aug 2025541 AMAQI
15th Aug 2025342 AMAQI
15th Aug 2025403 AMAQI
15th Aug 2025354 AMAQI

21°C17/25°C

15th Aug 2025425 AMAQI
15th Aug 2025346 AMAQI
15th Aug 2025317 AMAQI
15th Aug 2025328 AMAQI
15th Aug 2025309 AMAQI
15th Aug 20253210 AMAQI
15th Aug 20253011 AMAQI
15th Aug 20253212 PMAQI
15th Aug 2025321 PMAQI
15th Aug 2025322 PMAQI
15th Aug 2025343 PMAQI
15th Aug 2025364 PMAQI
15th Aug 2025375 PMAQI
15th Aug 2025366 PMAQI
15th Aug 2025367 PMAQI
15th Aug 2025398 PMAQI
15th Aug 2025389 PMAQI
15th Aug 20253810 PMAQI
15th Aug 20253711 PMAQI
16th Aug 20254012 AMAQI
16th Aug 2025471 AMAQI
16th Aug 2025452 AMAQI
16th Aug 2025443 AMAQI
16th Aug 2025424 AMAQI

20°C17/24°C

16th Aug 2025515 AMAQI
16th Aug 2025506 AMAQI
16th Aug 2025457 AMAQI
16th Aug 2025498 AMAQI
16th Aug 2025499 AMAQI
16th Aug 20254210 AMAQI
16th Aug 20254311 AMAQI
16th Aug 20254412 PMAQI
16th Aug 2025401 PMAQI
16th Aug 2025412 PMAQI
16th Aug 2025443 PMAQI
16th Aug 2025444 PMAQI
16th Aug 2025435 PMAQI
16th Aug 2025426 PMAQI
16th Aug 2025447 PMAQI
16th Aug 2025468 PMAQI
16th Aug 2025469 PMAQI
16th Aug 20254510 PMAQI
16th Aug 20254611 PMAQI
17th Aug 20254412 AMAQI
17th Aug 2025401 AMAQI
17th Aug 2025362 AMAQI
17th Aug 2025273 AMAQI
17th Aug 2025304 AMAQI

18°C16/20°C

17th Aug 2025325 AMAQI
17th Aug 2025306 AMAQI
17th Aug 2025317 AMAQI
17th Aug 2025288 AMAQI
17th Aug 2025309 AMAQI
17th Aug 20252910 AMAQI
17th Aug 20252811 AMAQI
17th Aug 20253012 PMAQI
17th Aug 2025341 PMAQI
17th Aug 2025352 PMAQI
17th Aug 2025323 PMAQI
17th Aug 2025324 PMAQI
17th Aug 2025355 PMAQI
17th Aug 2025386 PMAQI
17th Aug 2025327 PMAQI
17th Aug 2025398 PMAQI
17th Aug 2025349 PMAQI
17th Aug 20253110 PMAQI
17th Aug 20253411 PMAQI
18th Aug 20253412 AMAQI
18th Aug 2025341 AMAQI
18th Aug 2025282 AMAQI
18th Aug 2025283 AMAQI
18th Aug 2025264 AMAQI

17°C15/19°C

18th Aug 2025285 AMAQI
18th Aug 2025276 AMAQI
18th Aug 2025247 AMAQI
18th Aug 2025278 AMAQI
18th Aug 2025309 AMAQI
18th Aug 20253110 AMAQI
18th Aug 20253211 AMAQI
18th Aug 20253112 PMAQI
18th Aug 2025301 PMAQI
18th Aug 2025302 PMAQI
18th Aug 2025283 PMAQI
18th Aug 2025284 PMAQI
18th Aug 2025275 PMAQI
18th Aug 2025286 PMAQI
18th Aug 2025277 PMAQI
18th Aug 2025298 PMAQI
18th Aug 2025299 PMAQI
18th Aug 20253010 PMAQI
18th Aug 20252911 PMAQI
19th Aug 20252812 AMAQI
19th Aug 2025281 AMAQI
19th Aug 2025262 AMAQI
19th Aug 2025213 AMAQI
19th Aug 2025254 AMAQI

19°C17/20°C

19th Aug 2025255 AMAQI
19th Aug 2025276 AMAQI
19th Aug 2025297 AMAQI
19th Aug 2025338 AMAQI
19th Aug 2025359 AMAQI
19th Aug 20253710 AMAQI
19th Aug 20253911 AMAQI
19th Aug 20253412 PMAQI
19th Aug 2025301 PMAQI
19th Aug 2025372 PMAQI
19th Aug 2025383 PMAQI
19th Aug 2025364 PMAQI
19th Aug 2025325 PMAQI
19th Aug 2025326 PMAQI
19th Aug 2025337 PMAQI
19th Aug 2025308 PMAQI
19th Aug 2025309 PMAQI
19th Aug 20253010 PMAQI
19th Aug 20253011 PMAQI
20th Aug 20252912 AMAQI
20th Aug 2025311 AMAQI
20th Aug 2025242 AMAQI
20th Aug 2025273 AMAQI
20th Aug 2025284 AMAQI

18°C16/21°C

20th Aug 2025275 AMAQI
20th Aug 2025266 AMAQI
20th Aug 2025247 AMAQI
20th Aug 2025328 AMAQI
20th Aug 2025299 AMAQI
20th Aug 20253210 AMAQI
20th Aug 20253211 AMAQI
20th Aug 20253312 PMAQI
20th Aug 2025301 PMAQI
20th Aug 2025312 PMAQI
20th Aug 2025323 PMAQI
20th Aug 2025304 PMAQI
20th Aug 2025315 PMAQI
20th Aug 2025306 PMAQI
20th Aug 2025377 PMAQI
20th Aug 2025288 PMAQI
20th Aug 2025309 PMAQI
20th Aug 20253010 PMAQI
20th Aug 20253011 PMAQI
21st Aug 20252912 AMAQI
21st Aug 2025311 AMAQI
21st Aug 2025292 AMAQI
21st Aug 2025263 AMAQI
21st Aug 2025274 AMAQI

18°C16/20°C

21st Aug 2025315 AMAQI
5 AM
21st Aug 2025276 AMAQI
21st Aug 2025277 AMAQI
12 PM
8 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
8 AM - 8 PM

33AQI

13 hours / Day
390 hours / Month
Avg. Lowest Time
5 AM - 7 AM

33AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 8 PM (Avg. 33), while the lowest AQI was between 5 AM to 7 AM (Avg. 33).
Night time
Avg. Highest Time
12 AM - 11 PM

33AQI

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

33AQI

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. 33), while the lowest AQI was between 12 AM to 11 PM (Avg. 33).

2025 Days Vs Air Quality

Leigh On Sea, Southend On Sea, United Kingdom

2025

74%

171

26%

60

0.4%

1

Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)

Good
171 Days
Moderate
60 Days
Poor
1 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 74%

Health Risk Level:

Low

In 2025, 74% of 233 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

Leigh On Sea, Southend On Sea, 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
27AQI
2nd January 2025
26AQI
3rd January 2025
37AQI
4th January 2025
46AQI
5th January 2025
26AQI
6th January 2025
23AQI
7th January 2025
23AQI
8th January 2025
30AQI
9th January 2025
38AQI
10th January 2025
63AQI
11th January 2025
78AQI
12th January 2025
79AQI
13th January 2025
42AQI
14th January 2025
56AQI
15th January 2025
57AQI
16th January 2025
52AQI
17th January 2025
58AQI
18th January 2025
71AQI
19th January 2025
65AQI
20th January 2025
63AQI
21st January 2025
67AQI
22nd January 2025
73AQI
23rd January 2025
56AQI
24th January 2025
40AQI
25th January 2025
35AQI
26th January 2025
35AQI
27th January 2025
28AQI
28th January 2025
27AQI
29th January 2025
29AQI
30th January 2025
27AQI
31st January 2025
26AQI
1st February 2025
30AQI
2nd February 2025
56AQI
3rd February 2025
63AQI
4th February 2025
34AQI
5th February 2025
41AQI
6th February 2025
46AQI
7th February 2025
44AQI
8th February 2025
66AQI
9th February 2025
56AQI
10th February 2025
100AQI
11th February 2025
86AQI
12th February 2025
70AQI
13th February 2025
73AQI
14th February 2025
74AQI
15th February 2025
85AQI
16th February 2025
65AQI
17th February 2025
62AQI
18th February 2025
74AQI
19th February 2025
83AQI
20th February 2025
60AQI
21st February 2025
41AQI
22nd February 2025
45AQI
23rd February 2025
37AQI
24th February 2025
28AQI
25th February 2025
33AQI
26th February 2025
26AQI
27th February 2025
25AQI
28th February 2025
37AQI
1st March 2025
38AQI
2nd March 2025
55AQI
3rd March 2025
73AQI
4th March 2025
77AQI
5th March 2025
96AQI
6th March 2025
88AQI
7th March 2025
53AQI
8th March 2025
69AQI
9th March 2025
98AQI
10th March 2025
146AQI
11th March 2025
70AQI
12th March 2025
36AQI
13th March 2025
33AQI
14th March 2025
32AQI
15th March 2025
26AQI
16th March 2025
24AQI
17th March 2025
32AQI
18th March 2025
42AQI
19th March 2025
59AQI
20th March 2025
63AQI
21st March 2025
74AQI
22nd March 2025
56AQI
23rd March 2025
84AQI
24th March 2025
91AQI
25th March 2025
88AQI
26th March 2025
43AQI
27th March 2025
48AQI
28th March 2025
30AQI
29th March 2025
25AQI
30th March 2025
33AQI
31st March 2025
28AQI
1st April 2025
35AQI
2nd April 2025
44AQI
3rd April 2025
62AQI
4th April 2025
75AQI
5th April 2025
40AQI
6th April 2025
29AQI
7th April 2025
30AQI
8th April 2025
47AQI
9th April 2025
32AQI
10th April 2025
32AQI
11th April 2025
59AQI
12th April 2025
85AQI
13th April 2025
47AQI
14th April 2025
28AQI
15th April 2025
51AQI
16th April 2025
21AQI
17th April 2025
24AQI
18th April 2025
41AQI
19th April 2025
43AQI
20th April 2025
25AQI
21st April 2025
47AQI
22nd April 2025
28AQI
23rd April 2025
20AQI
24th April 2025
41AQI
25th April 2025
37AQI
26th April 2025
55AQI
27th April 2025
56AQI
28th April 2025
51AQI
29th April 2025
65AQI
30th April 2025
56AQI
1st May 2025
78AQI
2nd May 2025
62AQI
3rd May 2025
48AQI
4th May 2025
24AQI
5th May 2025
20AQI
6th May 2025
20AQI
7th May 2025
23AQI
8th May 2025
22AQI
9th May 2025
30AQI
10th May 2025
30AQI
11th May 2025
39AQI
12th May 2025
35AQI
13th May 2025
43AQI
14th May 2025
35AQI
15th May 2025
35AQI
16th May 2025
39AQI
17th May 2025
32AQI
18th May 2025
41AQI
19th May 2025
36AQI
20th May 2025
26AQI
21st May 2025
34AQI
22nd May 2025
32AQI
23rd May 2025
25AQI
24th May 2025
29AQI
25th May 2025
18AQI
26th May 2025
30AQI
27th May 2025
24AQI
28th May 2025
19AQI
29th May 2025
21AQI
30th May 2025
22AQI
31st May 2025
26AQI
1st June 2025
25AQI
2nd June 2025
22AQI
3rd June 2025
23AQI
4th June 2025
24AQI
5th June 2025
20AQI
6th June 2025
17AQI
7th June 2025
16AQI
8th June 2025
17AQI
9th June 2025
48AQI
10th June 2025
47AQI
11th June 2025
38AQI
12th June 2025
47AQI
13th June 2025
42AQI
14th June 2025
41AQI
15th June 2025
31AQI
16th June 2025
29AQI
17th June 2025
33AQI
18th June 2025
34AQI
19th June 2025
44AQI
20th June 2025
49AQI
21st June 2025
42AQI
22nd June 2025
39AQI
23rd June 2025
25AQI
24th June 2025
24AQI
25th June 2025
25AQI
26th June 2025
22AQI
27th June 2025
21AQI
28th June 2025
20AQI
29th June 2025
19AQI
30th June 2025
30AQI
1st July 2025
48AQI
2nd July 2025
44AQI
3rd July 2025
24AQI
4th July 2025
22AQI
5th July 2025
21AQI
6th July 2025
20AQI
7th July 2025
19AQI
8th July 2025
23AQI
9th July 2025
26AQI
10th July 2025
25AQI
11th July 2025
28AQI
12th July 2025
28AQI
13th July 2025
32AQI
14th July 2025
40AQI
15th July 2025
28AQI
16th July 2025
26AQI
17th July 2025
27AQI
18th July 2025
24AQI
19th July 2025
26AQI
20th July 2025
25AQI
21st July 2025
20AQI
22nd July 2025
18AQI
23rd July 2025
22AQI
24th July 2025
44AQI
25th July 2025
32AQI
26th July 2025
41AQI
27th July 2025
28AQI
28th July 2025
27AQI
29th July 2025
27AQI
30th July 2025
28AQI
31st July 2025
24AQI
1st August 2025
22AQI
2nd August 2025
21AQI
3rd August 2025
25AQI
4th August 2025
23AQI
5th August 2025
23AQI
6th August 2025
27AQI
7th August 2025
28AQI
8th August 2025
35AQI
9th August 2025
28AQI
10th August 2025
40AQI
11th August 2025
51AQI
12th August 2025
52AQI
13th August 2025
59AQI
14th August 2025
55AQI
15th August 2025
37AQI
16th August 2025
45AQI
17th August 2025
33AQI
18th August 2025
29AQI
19th August 2025
31AQI
20th August 2025
29AQI

45AQI

55AQI

58AQI

44AQI

32AQI

30AQI

28AQI

35AQI

No. of days

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

202541AQI

18
13
13
15
14
16
1
20
10
29
2
30
31
16
4
171
60
1

Highest AQI recorded in

March

58AQI

Lowest AQI recorded in

July

28AQI

202435AQI

27
4
28
1
23
7
1
30
21
10
28
2
30
1
29
2
23
7
30
1
19
10
1
29
2
317
47
2

Highest AQI recorded in

November

48AQI

Lowest AQI recorded in

July

27AQI

202337AQI

24
7
15
10
2
27
4
19
11
28
3
24
5
1
24
29
2
20
7
3
30
1
26
3
31
297
53
6

Highest AQI recorded in

February

51AQI

Lowest AQI recorded in

July

26AQI

202241AQI

16
15
22
8
16
5
2
19
11
27
4
30
22
2
1
27
1
30
1
28
2
16
14
1
246
66
6
2

Highest AQI recorded in

March

75AQI

Lowest AQI recorded in

August

26AQI

202139AQI

25
5
23
5
18
11
2
22
8
29
2
25
5
23
8
31
19
9
2
29
2
25
5
26
5
295
65
4

Highest AQI recorded in

March

53AQI

Lowest AQI recorded in

August

28AQI

202036AQI

8
5
12
7
2
17
1
26
4
30
1
22
7
1
27
2
1
31
20
8
1
1
26
5
219
40
5
1

Highest AQI recorded in

April

55AQI

Lowest AQI recorded in

July

23AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
41AQI
Least Polluted Year Recorded
2024(Avg.)
35AQI

Leigh On Sea's annual 2025 AQI (41) shows an average percentage change of 9.3% (worsened AQI) compared to previous years: 2020 (36), 2021 (39), 2022 (41), 2023 (37), 2024 (35).