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+
September 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
10th Sep 2023
124AQILowest AQI recorded on
18th Sep 2025
16AQISame Day Analysis (21st September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 19 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
Leigh On Sea, Southend On Sea, United Kingdom
AQI
Day
Night
.
6 AM21st Sep 2025
7 PM
5 AM22nd Sep 2025
Day time
Avg. Highest Time
2PM21st Sep
21AQI
Avg. Lowest Time
10AM21st Sep
14AQI
Night time
Avg. Highest Time
2AM22nd Sep
21AQI
Avg. Lowest Time
5AM22nd Sep
17AQI
In the last 24 hours,
Leigh On Sea's AQI reached its highest point of 21 at 2 PM during the Day, while the lowest point, 14, was recorded at 10 AM during the Day between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Leigh On Sea, Southend On Sea, United Kingdom
AugSep
23rd - 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 - 22nd22nd
Day
Night
23rd Aug 2025206 AMAQI
23rd Aug 2025247 AMAQI
23rd Aug 2025238 AMAQI
23rd Aug 2025249 AMAQI
23rd Aug 20252810 AMAQI
23rd Aug 20252511 AMAQI
23rd Aug 20252812 PMAQI
23rd Aug 2025271 PMAQI
23rd Aug 2025282 PMAQI
23rd Aug 2025263 PMAQI
23rd Aug 2025274 PMAQI
23rd Aug 2025285 PMAQI
23rd Aug 2025286 PMAQI
23rd Aug 2025277 PMAQI
23rd Aug 2025268 PMAQI
23rd Aug 2025269 PMAQI
23rd Aug 20252510 PMAQI
23rd Aug 20252411 PMAQI
24th Aug 20252512 AMAQI
24th Aug 2025231 AMAQI
24th Aug 2025422 AMAQI
24th Aug 2025353 AMAQI
24th Aug 2025264 AMAQI
24th Aug 2025265 AMAQI
17°C15/18°C
24th Aug 2025266 AMAQI
24th Aug 2025247 AMAQI
24th Aug 2025248 AMAQI
24th Aug 2025269 AMAQI
24th Aug 20251910 AMAQI
24th Aug 20252111 AMAQI
24th Aug 20252212 PMAQI
24th Aug 2025281 PMAQI
24th Aug 2025242 PMAQI
24th Aug 2025253 PMAQI
24th Aug 2025244 PMAQI
24th Aug 2025265 PMAQI
24th Aug 2025266 PMAQI
24th Aug 2025287 PMAQI
24th Aug 2025268 PMAQI
24th Aug 2025289 PMAQI
24th Aug 20252810 PMAQI
24th Aug 20252811 PMAQI
25th Aug 20252712 AMAQI
25th Aug 2025311 AMAQI
25th Aug 2025302 AMAQI
25th Aug 2025403 AMAQI
25th Aug 2025244 AMAQI
25th Aug 2025305 AMAQI
18°C16/20°C
25th Aug 2025346 AMAQI
25th Aug 2025367 AMAQI
25th Aug 2025348 AMAQI
25th Aug 2025389 AMAQI
25th Aug 20253410 AMAQI
25th Aug 20253311 AMAQI
25th Aug 20252812 PMAQI
25th Aug 2025271 PMAQI
25th Aug 2025272 PMAQI
25th Aug 2025283 PMAQI
25th Aug 2025294 PMAQI
25th Aug 2025265 PMAQI
25th Aug 2025266 PMAQI
25th Aug 2025307 PMAQI
25th Aug 2025328 PMAQI
25th Aug 2025319 PMAQI
25th Aug 20253110 PMAQI
25th Aug 20253111 PMAQI
26th Aug 20253212 AMAQI
26th Aug 2025321 AMAQI
26th Aug 2025302 AMAQI
26th Aug 2025323 AMAQI
26th Aug 2025334 AMAQI
26th Aug 2025305 AMAQI
19°C16/22°C
26th Aug 2025296 AMAQI
26th Aug 2025367 AMAQI
26th Aug 2025508 AMAQI
26th Aug 2025409 AMAQI
26th Aug 20253610 AMAQI
26th Aug 20253211 AMAQI
26th Aug 20253212 PMAQI
26th Aug 2025281 PMAQI
26th Aug 2025282 PMAQI
26th Aug 2025283 PMAQI
26th Aug 2025304 PMAQI
26th Aug 2025285 PMAQI
26th Aug 2025286 PMAQI
26th Aug 2025307 PMAQI
26th Aug 2025308 PMAQI
26th Aug 2025289 PMAQI
26th Aug 20252810 PMAQI
26th Aug 20253111 PMAQI
27th Aug 20253112 AMAQI
27th Aug 2025321 AMAQI
27th Aug 2025302 AMAQI
27th Aug 2025273 AMAQI
27th Aug 2025234 AMAQI
27th Aug 2025285 AMAQI
21°C18/25°C
27th Aug 2025316 AMAQI
27th Aug 2025317 AMAQI
27th Aug 2025328 AMAQI
27th Aug 2025329 AMAQI
27th Aug 20253410 AMAQI
27th Aug 20253411 AMAQI
27th Aug 20252912 PMAQI
27th Aug 2025281 PMAQI
27th Aug 2025282 PMAQI
27th Aug 2025263 PMAQI
27th Aug 2025284 PMAQI
27th Aug 2025295 PMAQI
27th Aug 2025276 PMAQI
27th Aug 2025287 PMAQI
27th Aug 2025278 PMAQI
27th Aug 2025289 PMAQI
27th Aug 20252810 PMAQI
27th Aug 20252811 PMAQI
28th Aug 20252912 AMAQI
28th Aug 2025301 AMAQI
28th Aug 2025292 AMAQI
28th Aug 2025293 AMAQI
28th Aug 2025284 AMAQI
28th Aug 2025285 AMAQI
19°C16/22°C
28th Aug 2025256 AMAQI
28th Aug 2025267 AMAQI
28th Aug 2025268 AMAQI
28th Aug 2025319 AMAQI
28th Aug 20252710 AMAQI
28th Aug 20252611 AMAQI
28th Aug 20252812 PMAQI
28th Aug 2025301 PMAQI
28th Aug 2025282 PMAQI
28th Aug 2025253 PMAQI
28th Aug 2025244 PMAQI
28th Aug 2025235 PMAQI
28th Aug 2025236 PMAQI
28th Aug 2025267 PMAQI
28th Aug 2025288 PMAQI
28th Aug 2025289 PMAQI
28th Aug 20252710 PMAQI
28th Aug 20252711 PMAQI
29th Aug 20252812 AMAQI
29th Aug 2025281 AMAQI
29th Aug 2025262 AMAQI
29th Aug 2025223 AMAQI
29th Aug 2025204 AMAQI
29th Aug 2025215 AMAQI
18°C15/21°C
29th Aug 2025226 AMAQI
29th Aug 2025227 AMAQI
29th Aug 2025228 AMAQI
29th Aug 2025239 AMAQI
29th Aug 20252010 AMAQI
29th Aug 20252311 AMAQI
29th Aug 20252312 PMAQI
29th Aug 2025221 PMAQI
29th Aug 2025222 PMAQI
29th Aug 2025233 PMAQI
29th Aug 2025214 PMAQI
29th Aug 2025245 PMAQI
29th Aug 2025216 PMAQI
29th Aug 2025207 PMAQI
29th Aug 2025228 PMAQI
29th Aug 2025239 PMAQI
29th Aug 20252310 PMAQI
29th Aug 20252411 PMAQI
30th Aug 20252412 AMAQI
30th Aug 2025231 AMAQI
30th Aug 2025232 AMAQI
30th Aug 2025253 AMAQI
30th Aug 2025224 AMAQI
30th Aug 2025245 AMAQI
17°C15/20°C
30th Aug 2025236 AMAQI
30th Aug 2025227 AMAQI
30th Aug 2025228 AMAQI
30th Aug 2025229 AMAQI
30th Aug 20252410 AMAQI
30th Aug 20252311 AMAQI
30th Aug 20252412 PMAQI
30th Aug 2025221 PMAQI
30th Aug 2025212 PMAQI
30th Aug 2025203 PMAQI
30th Aug 2025204 PMAQI
30th Aug 2025205 PMAQI
30th Aug 2025226 PMAQI
30th Aug 2025207 PMAQI
30th Aug 2025248 PMAQI
30th Aug 2025219 PMAQI
30th Aug 20252210 PMAQI
30th Aug 20252411 PMAQI
31st Aug 20252212 AMAQI
31st Aug 2025201 AMAQI
31st Aug 2025202 AMAQI
31st Aug 2025223 AMAQI
31st Aug 2025204 AMAQI
31st Aug 2025195 AMAQI
18°C14/21°C
31st Aug 2025216 AMAQI
31st Aug 2025227 AMAQI
31st Aug 2025228 AMAQI
31st Aug 2025309 AMAQI
31st Aug 20253210 AMAQI
31st Aug 20253111 AMAQI
31st Aug 20252812 PMAQI
31st Aug 2025261 PMAQI
31st Aug 2025232 PMAQI
31st Aug 2025233 PMAQI
31st Aug 2025224 PMAQI
31st Aug 2025235 PMAQI
31st Aug 2025256 PMAQI
31st Aug 2025247 PMAQI
31st Aug 2025238 PMAQI
31st Aug 2025229 PMAQI
31st Aug 20252210 PMAQI
31st Aug 20252211 PMAQI
1st Sep 20252212 AMAQI
1st Sep 2025241 AMAQI
1st Sep 2025242 AMAQI
1st Sep 2025263 AMAQI
1st Sep 2025254 AMAQI
1st Sep 2025225 AMAQI
18°C15/21°C
1st Sep 2025246 AMAQI
1st Sep 2025257 AMAQI
1st Sep 2025238 AMAQI
1st Sep 2025249 AMAQI
1st Sep 20252410 AMAQI
1st Sep 20252411 AMAQI
1st Sep 20252412 PMAQI
1st Sep 2025211 PMAQI
1st Sep 2025242 PMAQI
1st Sep 2025233 PMAQI
1st Sep 2025234 PMAQI
1st Sep 2025235 PMAQI
1st Sep 2025236 PMAQI
1st Sep 2025227 PMAQI
1st Sep 2025238 PMAQI
1st Sep 2025229 PMAQI
1st Sep 20252410 PMAQI
1st Sep 20252311 PMAQI
2nd Sep 20252412 AMAQI
2nd Sep 2025221 AMAQI
2nd Sep 2025212 AMAQI
2nd Sep 2025213 AMAQI
2nd Sep 2025194 AMAQI
2nd Sep 2025205 AMAQI
18°C15/20°C
2nd Sep 2025216 AMAQI
2nd Sep 2025207 AMAQI
2nd Sep 2025228 AMAQI
2nd Sep 2025239 AMAQI
2nd Sep 20252310 AMAQI
2nd Sep 20252411 AMAQI
2nd Sep 20252212 PMAQI
2nd Sep 2025201 PMAQI
2nd Sep 2025192 PMAQI
2nd Sep 2025203 PMAQI
2nd Sep 2025194 PMAQI
2nd Sep 2025215 PMAQI
2nd Sep 2025206 PMAQI
2nd Sep 2025197 PMAQI
2nd Sep 2025238 PMAQI
2nd Sep 2025219 PMAQI
2nd Sep 20252110 PMAQI
2nd Sep 20252211 PMAQI
3rd Sep 20252112 AMAQI
3rd Sep 2025201 AMAQI
3rd Sep 2025172 AMAQI
3rd Sep 2025183 AMAQI
3rd Sep 2025164 AMAQI
3rd Sep 2025185 AMAQI
16°C14/18°C
3rd Sep 2025186 AMAQI
3rd Sep 2025187 AMAQI
3rd Sep 2025188 AMAQI
3rd Sep 2025199 AMAQI
3rd Sep 20251810 AMAQI
3rd Sep 20252011 AMAQI
3rd Sep 20251912 PMAQI
3rd Sep 2025211 PMAQI
3rd Sep 2025202 PMAQI
3rd Sep 2025193 PMAQI
3rd Sep 2025204 PMAQI
3rd Sep 2025225 PMAQI
3rd Sep 2025226 PMAQI
3rd Sep 2025237 PMAQI
3rd Sep 2025198 PMAQI
3rd Sep 2025189 PMAQI
3rd Sep 20251910 PMAQI
3rd Sep 20251811 PMAQI
4th Sep 20251912 AMAQI
4th Sep 2025201 AMAQI
4th Sep 2025202 AMAQI
4th Sep 2025193 AMAQI
4th Sep 2025184 AMAQI
4th Sep 2025185 AMAQI
18°C16/20°C
4th Sep 2025216 AMAQI
4th Sep 2025227 AMAQI
4th Sep 2025248 AMAQI
4th Sep 2025229 AMAQI
4th Sep 20252310 AMAQI
4th Sep 20252811 AMAQI
4th Sep 20252612 PMAQI
4th Sep 2025281 PMAQI
4th Sep 2025262 PMAQI
4th Sep 2025223 PMAQI
4th Sep 2025224 PMAQI
4th Sep 2025185 PMAQI
4th Sep 2025186 PMAQI
4th Sep 2025187 PMAQI
4th Sep 2025208 PMAQI
4th Sep 2025199 PMAQI
4th Sep 20252310 PMAQI
4th Sep 20252211 PMAQI
5th Sep 20252212 AMAQI
5th Sep 2025211 AMAQI
5th Sep 2025222 AMAQI
5th Sep 2025223 AMAQI
5th Sep 2025224 AMAQI
5th Sep 2025215 AMAQI
17°C15/19°C
5th Sep 2025196 AMAQI
5th Sep 2025227 AMAQI
5th Sep 2025248 AMAQI
5th Sep 2025269 AMAQI
5th Sep 20252810 AMAQI
5th Sep 20252611 AMAQI
5th Sep 20252112 PMAQI
5th Sep 2025211 PMAQI
5th Sep 2025202 PMAQI
5th Sep 2025193 PMAQI
5th Sep 2025204 PMAQI
5th Sep 2025195 PMAQI
5th Sep 2025206 PMAQI
5th Sep 2025227 PMAQI
5th Sep 2025218 PMAQI
5th Sep 2025219 PMAQI
5th Sep 20252110 PMAQI
5th Sep 20252111 PMAQI
6th Sep 20252012 AMAQI
6th Sep 2025201 AMAQI
6th Sep 2025282 AMAQI
6th Sep 2025273 AMAQI
6th Sep 2025244 AMAQI
6th Sep 2025235 AMAQI
17°C13/21°C
6th Sep 2025246 AMAQI
6th Sep 2025307 AMAQI
6th Sep 2025288 AMAQI
6th Sep 2025249 AMAQI
6th Sep 20252610 AMAQI
6th Sep 20252511 AMAQI
6th Sep 20252212 PMAQI
6th Sep 2025221 PMAQI
6th Sep 2025212 PMAQI
6th Sep 2025213 PMAQI
6th Sep 2025224 PMAQI
6th Sep 2025195 PMAQI
6th Sep 2025226 PMAQI
6th Sep 2025227 PMAQI
6th Sep 2025228 PMAQI
6th Sep 2025229 PMAQI
6th Sep 20252310 PMAQI
6th Sep 20252211 PMAQI
7th Sep 20252312 AMAQI
7th Sep 2025261 AMAQI
7th Sep 2025222 AMAQI
7th Sep 2025243 AMAQI
7th Sep 2025214 AMAQI
7th Sep 2025205 AMAQI
18°C15/21°C
7th Sep 2025226 AMAQI
7th Sep 2025217 AMAQI
7th Sep 2025248 AMAQI
7th Sep 2025239 AMAQI
7th Sep 20252110 AMAQI
7th Sep 20252011 AMAQI
7th Sep 20252212 PMAQI
7th Sep 2025251 PMAQI
7th Sep 2025252 PMAQI
7th Sep 2025263 PMAQI
7th Sep 2025284 PMAQI
7th Sep 2025285 PMAQI
7th Sep 2025286 PMAQI
7th Sep 2025267 PMAQI
7th Sep 2025258 PMAQI
7th Sep 2025249 PMAQI
7th Sep 20252410 PMAQI
7th Sep 20252311 PMAQI
8th Sep 20252312 AMAQI
8th Sep 2025221 AMAQI
8th Sep 2025202 AMAQI
8th Sep 2025203 AMAQI
8th Sep 2025224 AMAQI
8th Sep 2025245 AMAQI
20°C17/25°C
8th Sep 2025246 AMAQI
8th Sep 2025277 AMAQI
8th Sep 2025248 AMAQI
8th Sep 2025289 AMAQI
8th Sep 20253210 AMAQI
8th Sep 20253211 AMAQI
8th Sep 20252312 PMAQI
8th Sep 2025241 PMAQI
8th Sep 2025252 PMAQI
8th Sep 2025233 PMAQI
8th Sep 2025234 PMAQI
8th Sep 2025225 PMAQI
8th Sep 2025226 PMAQI
8th Sep 2025247 PMAQI
8th Sep 2025238 PMAQI
8th Sep 2025239 PMAQI
8th Sep 20252210 PMAQI
8th Sep 20252411 PMAQI
9th Sep 20252412 AMAQI
9th Sep 2025231 AMAQI
9th Sep 2025242 AMAQI
9th Sep 2025233 AMAQI
9th Sep 2025224 AMAQI
9th Sep 2025215 AMAQI
18°C15/21°C
9th Sep 2025236 AMAQI
9th Sep 2025257 AMAQI
9th Sep 2025268 AMAQI
9th Sep 2025409 AMAQI
9th Sep 20253410 AMAQI
9th Sep 20253011 AMAQI
9th Sep 20252512 PMAQI
9th Sep 2025221 PMAQI
9th Sep 2025212 PMAQI
9th Sep 2025223 PMAQI
9th Sep 2025214 PMAQI
9th Sep 2025245 PMAQI
9th Sep 2025226 PMAQI
9th Sep 2025217 PMAQI
9th Sep 2025248 PMAQI
9th Sep 2025249 PMAQI
9th Sep 20252610 PMAQI
9th Sep 20252311 PMAQI
10th Sep 20252612 AMAQI
10th Sep 2025231 AMAQI
10th Sep 2025222 AMAQI
10th Sep 2025243 AMAQI
10th Sep 2025254 AMAQI
10th Sep 2025245 AMAQI
16°C13/19°C
10th Sep 2025256 AMAQI
10th Sep 2025277 AMAQI
10th Sep 2025258 AMAQI
10th Sep 2025409 AMAQI
10th Sep 20252410 AMAQI
10th Sep 20252211 AMAQI
10th Sep 20252212 PMAQI
10th Sep 2025231 PMAQI
10th Sep 2025202 PMAQI
10th Sep 2025213 PMAQI
10th Sep 2025224 PMAQI
10th Sep 2025215 PMAQI
10th Sep 2025216 PMAQI
10th Sep 2025207 PMAQI
10th Sep 2025228 PMAQI
10th Sep 2025249 PMAQI
10th Sep 20252310 PMAQI
10th Sep 20252311 PMAQI
11th Sep 20252412 AMAQI
11th Sep 2025201 AMAQI
11th Sep 2025182 AMAQI
11th Sep 2025183 AMAQI
11th Sep 2025184 AMAQI
11th Sep 2025195 AMAQI
16°C15/18°C
11th Sep 2025226 AMAQI
11th Sep 2025217 AMAQI
11th Sep 2025248 AMAQI
11th Sep 2025299 AMAQI
11th Sep 20252610 AMAQI
11th Sep 20252811 AMAQI
11th Sep 20252412 PMAQI
11th Sep 2025251 PMAQI
11th Sep 2025232 PMAQI
11th Sep 2025223 PMAQI
11th Sep 2025234 PMAQI
11th Sep 2025185 PMAQI
11th Sep 2025196 PMAQI
11th Sep 2025197 PMAQI
11th Sep 2025208 PMAQI
11th Sep 2025229 PMAQI
11th Sep 20252210 PMAQI
11th Sep 20252211 PMAQI
12th Sep 20252112 AMAQI
12th Sep 2025201 AMAQI
12th Sep 2025162 AMAQI
12th Sep 2025173 AMAQI
12th Sep 2025184 AMAQI
12th Sep 2025195 AMAQI
16°C13/20°C
12th Sep 2025176 AMAQI
12th Sep 2025197 AMAQI
12th Sep 2025188 AMAQI
12th Sep 2025249 AMAQI
12th Sep 20252810 AMAQI
12th Sep 20252211 AMAQI
12th Sep 20251812 PMAQI
12th Sep 2025181 PMAQI
12th Sep 2025202 PMAQI
12th Sep 2025193 PMAQI
12th Sep 2025194 PMAQI
12th Sep 2025195 PMAQI
12th Sep 2025186 PMAQI
12th Sep 2025187 PMAQI
12th Sep 2025198 PMAQI
12th Sep 2025199 PMAQI
12th Sep 20251910 PMAQI
12th Sep 20252011 PMAQI
13th Sep 20251812 AMAQI
13th Sep 2025181 AMAQI
13th Sep 2025182 AMAQI
13th Sep 2025183 AMAQI
13th Sep 2025154 AMAQI
13th Sep 2025165 AMAQI
15°C12/18°C
13th Sep 2025166 AMAQI
13th Sep 2025167 AMAQI
13th Sep 2025188 AMAQI
13th Sep 2025169 AMAQI
13th Sep 20251610 AMAQI
13th Sep 20251811 AMAQI
13th Sep 20251812 PMAQI
13th Sep 2025181 PMAQI
13th Sep 2025182 PMAQI
13th Sep 2025163 PMAQI
13th Sep 2025174 PMAQI
13th Sep 2025165 PMAQI
13th Sep 2025176 PMAQI
13th Sep 2025187 PMAQI
13th Sep 2025178 PMAQI
13th Sep 2025189 PMAQI
13th Sep 20251610 PMAQI
13th Sep 20251711 PMAQI
14th Sep 20251712 AMAQI
14th Sep 2025181 AMAQI
14th Sep 2025192 AMAQI
14th Sep 2025183 AMAQI
14th Sep 2025184 AMAQI
14th Sep 2025215 AMAQI
15°C13/17°C
14th Sep 2025176 AMAQI
14th Sep 2025207 AMAQI
14th Sep 2025218 AMAQI
14th Sep 2025229 AMAQI
14th Sep 20252110 AMAQI
14th Sep 20251911 AMAQI
14th Sep 20252012 PMAQI
14th Sep 2025211 PMAQI
14th Sep 2025202 PMAQI
14th Sep 2025183 PMAQI
14th Sep 2025204 PMAQI
14th Sep 2025195 PMAQI
14th Sep 2025166 PMAQI
14th Sep 2025167 PMAQI
14th Sep 2025188 PMAQI
14th Sep 2025179 PMAQI
14th Sep 20251810 PMAQI
14th Sep 20251711 PMAQI
15th Sep 20251812 AMAQI
15th Sep 2025231 AMAQI
15th Sep 2025262 AMAQI
15th Sep 2025243 AMAQI
15th Sep 2025244 AMAQI
15th Sep 2025225 AMAQI
15°C12/18°C
15th Sep 2025236 AMAQI
15th Sep 2025247 AMAQI
15th Sep 2025258 AMAQI
15th Sep 2025279 AMAQI
15th Sep 20253410 AMAQI
15th Sep 20253211 AMAQI
15th Sep 20252812 PMAQI
15th Sep 2025251 PMAQI
15th Sep 2025242 PMAQI
15th Sep 2025233 PMAQI
15th Sep 2025244 PMAQI
15th Sep 2025245 PMAQI
15th Sep 2025256 PMAQI
15th Sep 2025257 PMAQI
15th Sep 2025248 PMAQI
15th Sep 2025249 PMAQI
15th Sep 20252610 PMAQI
15th Sep 20252611 PMAQI
16th Sep 20252612 AMAQI
16th Sep 2025261 AMAQI
16th Sep 2025242 AMAQI
16th Sep 2025243 AMAQI
16th Sep 2025264 AMAQI
16th Sep 2025245 AMAQI
16°C15/19°C
16th Sep 2025236 AMAQI
16th Sep 2025227 AMAQI
16th Sep 2025258 AMAQI
16th Sep 2025249 AMAQI
16th Sep 20252710 AMAQI
16th Sep 20252211 AMAQI
16th Sep 20252212 PMAQI
16th Sep 2025221 PMAQI
16th Sep 2025232 PMAQI
16th Sep 2025243 PMAQI
16th Sep 2025224 PMAQI
16th Sep 2025225 PMAQI
16th Sep 2025226 PMAQI
16th Sep 2025227 PMAQI
16th Sep 2025228 PMAQI
16th Sep 2025249 PMAQI
16th Sep 20252410 PMAQI
16th Sep 20252411 PMAQI
17th Sep 20252412 AMAQI
17th Sep 2025231 AMAQI
17th Sep 2025212 AMAQI
17th Sep 2025203 AMAQI
17th Sep 2025204 AMAQI
17th Sep 2025195 AMAQI
16°C14/19°C
17th Sep 2025196 AMAQI
17th Sep 2025207 AMAQI
17th Sep 2025198 AMAQI
17th Sep 2025249 AMAQI
17th Sep 20251810 AMAQI
17th Sep 20251911 AMAQI
17th Sep 20252012 PMAQI
17th Sep 2025201 PMAQI
17th Sep 2025182 PMAQI
17th Sep 2025183 PMAQI
17th Sep 2025194 PMAQI
17th Sep 2025195 PMAQI
17th Sep 2025186 PMAQI
17th Sep 2025187 PMAQI
17th Sep 2025208 PMAQI
17th Sep 2025209 PMAQI
17th Sep 20252010 PMAQI
17th Sep 20252011 PMAQI
18th Sep 20251912 AMAQI
18th Sep 2025181 AMAQI
18th Sep 2025132 AMAQI
18th Sep 2025143 AMAQI
18th Sep 2025144 AMAQI
18th Sep 2025145 AMAQI
17°C14/19°C
18th Sep 2025146 AMAQI
18th Sep 2025137 AMAQI
18th Sep 2025148 AMAQI
18th Sep 2025149 AMAQI
18th Sep 20251210 AMAQI
18th Sep 20251411 AMAQI
18th Sep 20251512 PMAQI
18th Sep 2025151 PMAQI
18th Sep 2025172 PMAQI
18th Sep 2025183 PMAQI
18th Sep 2025184 PMAQI
18th Sep 2025185 PMAQI
18th Sep 2025186 PMAQI
18th Sep 2025167 PMAQI
18th Sep 2025178 PMAQI
18th Sep 2025179 PMAQI
18th Sep 20251810 PMAQI
18th Sep 20251811 PMAQI
19th Sep 20251712 AMAQI
19th Sep 2025171 AMAQI
19th Sep 2025182 AMAQI
19th Sep 2025183 AMAQI
19th Sep 2025184 AMAQI
19th Sep 2025165 AMAQI
19°C17/22°C
19th Sep 2025196 AMAQI
19th Sep 2025187 AMAQI
19th Sep 2025228 AMAQI
19th Sep 2025229 AMAQI
19th Sep 20252710 AMAQI
19th Sep 20252811 AMAQI
19th Sep 20252412 PMAQI
19th Sep 2025241 PMAQI
19th Sep 2025242 PMAQI
19th Sep 2025223 PMAQI
19th Sep 2025224 PMAQI
19th Sep 2025215 PMAQI
19th Sep 2025226 PMAQI
19th Sep 2025227 PMAQI
19th Sep 2025238 PMAQI
19th Sep 2025229 PMAQI
19th Sep 20252310 PMAQI
19th Sep 20252211 PMAQI
20th Sep 20252312 AMAQI
20th Sep 2025221 AMAQI
20th Sep 2025342 AMAQI
20th Sep 2025313 AMAQI
20th Sep 2025324 AMAQI
20th Sep 2025355 AMAQI
19°C16/24°C
20th Sep 2025326 AMAQI
20th Sep 2025347 AMAQI
20th Sep 2025358 AMAQI
20th Sep 2025329 AMAQI
20th Sep 20253210 AMAQI
20th Sep 20253111 AMAQI
20th Sep 20253112 PMAQI
20th Sep 2025321 PMAQI
20th Sep 2025332 PMAQI
20th Sep 2025343 PMAQI
20th Sep 2025334 PMAQI
20th Sep 2025325 PMAQI
20th Sep 2025316 PMAQI
20th Sep 2025307 PMAQI
20th Sep 2025308 PMAQI
20th Sep 2025309 PMAQI
20th Sep 20253110 PMAQI
20th Sep 20253111 PMAQI
21st Sep 20253112 AMAQI
21st Sep 2025281 AMAQI
21st Sep 2025152 AMAQI
21st Sep 2025183 AMAQI
21st Sep 2025224 AMAQI
21st Sep 2025205 AMAQI
18°C13/21°C
21st Sep 2025196 AMAQI
21st Sep 2025187 AMAQI
21st Sep 2025168 AMAQI
21st Sep 2025169 AMAQI
21st Sep 20251410 AMAQI
21st Sep 20251611 AMAQI
21st Sep 20251812 PMAQI
21st Sep 2025181 PMAQI
21st Sep 2025212 PMAQI
21st Sep 2025213 PMAQI
21st Sep 2025194 PMAQI
21st Sep 2025195 PMAQI
21st Sep 2025186 PMAQI
21st Sep 2025177 PMAQI
21st Sep 2025188 PMAQI
21st Sep 2025199 PMAQI
21st Sep 20251810 PMAQI
21st Sep 20251911 PMAQI
22nd Sep 20251812 AMAQI
22nd Sep 2025201 AMAQI
22nd Sep 2025212 AMAQI
22nd Sep 2025193 AMAQI
22nd Sep 2025184 AMAQI
22nd Sep 2025175 AMAQI
13°C11/15°C
22nd Sep 2025166 AMAQI
6 AM22nd Sep 2025167 AMAQI
22nd Sep 2025168 AMAQI
22nd Sep 2025189 AMAQI
22nd Sep 20252010 AMAQI
22nd Sep 20252011 AMAQI
22nd Sep 20252012 PMAQI
12 PM22nd Sep 2025181 PMAQI
22nd Sep 2025192 PMAQI
22nd Sep 2025183 PMAQI
22nd Sep 2025184 PMAQI
22nd Sep 2025195 PMAQI
22nd Sep 2025186 PMAQI
22nd Sep 2025187 PMAQI
7 PM22nd Sep 2025188 PMAQI
22nd Sep 2025199 PMAQI
22nd Sep 20251910 PMAQI
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
9 AM
26AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
6 AM
22AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 9 AM (Avg. 26), while the lowest AQI was between 6 AM to 6 AM (Avg. 22).
Night time
Avg. Highest Time
12 AM - 3 AM
23AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
4 AM - 5 AM
22AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 23), while the lowest AQI was between 4 AM to 5 AM (Avg. 22).
2025 Days Vs Air Quality
Leigh On Sea, Southend On Sea, United Kingdom
2025
77%
203
23%
60
0.3%
1
Total number of days with different AQI categories in last 265 days in 2025 (100 days remaining)
Good
203 DaysModerate
60 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 77%
Health Risk Level:
Low
In 2025, 77% of 265 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
27AQI
27AQI
2nd January 2025
26AQI
26AQI
3rd January 2025
37AQI
37AQI
4th January 2025
46AQI
46AQI
5th January 2025
26AQI
26AQI
6th January 2025
23AQI
23AQI
7th January 2025
23AQI
23AQI
8th January 2025
30AQI
30AQI
9th January 2025
38AQI
38AQI
10th January 2025
63AQI
63AQI
11th January 2025
78AQI
78AQI
12th January 2025
79AQI
79AQI
13th January 2025
42AQI
42AQI
14th January 2025
56AQI
56AQI
15th January 2025
57AQI
57AQI
16th January 2025
52AQI
52AQI
17th January 2025
58AQI
58AQI
18th January 2025
71AQI
71AQI
19th January 2025
65AQI
65AQI
20th January 2025
63AQI
63AQI
21st January 2025
67AQI
67AQI
22nd January 2025
73AQI
73AQI
23rd January 2025
56AQI
56AQI
24th January 2025
40AQI
40AQI
25th January 2025
35AQI
35AQI
26th January 2025
35AQI
35AQI
27th January 2025
28AQI
28AQI
28th January 2025
27AQI
27AQI
29th January 2025
29AQI
29AQI
30th January 2025
27AQI
27AQI
31st January 2025
26AQI
26AQI
1st February 2025
30AQI
30AQI
2nd February 2025
56AQI
56AQI
3rd February 2025
63AQI
63AQI
4th February 2025
34AQI
34AQI
5th February 2025
41AQI
41AQI
6th February 2025
46AQI
46AQI
7th February 2025
44AQI
44AQI
8th February 2025
66AQI
66AQI
9th February 2025
56AQI
56AQI
10th February 2025
100AQI
100AQI
11th February 2025
86AQI
86AQI
12th February 2025
70AQI
70AQI
13th February 2025
73AQI
73AQI
14th February 2025
74AQI
74AQI
15th February 2025
85AQI
85AQI
16th February 2025
65AQI
65AQI
17th February 2025
62AQI
62AQI
18th February 2025
74AQI
74AQI
19th February 2025
83AQI
83AQI
20th February 2025
60AQI
60AQI
21st February 2025
41AQI
41AQI
22nd February 2025
45AQI
45AQI
23rd February 2025
37AQI
37AQI
24th February 2025
28AQI
28AQI
25th February 2025
33AQI
33AQI
26th February 2025
26AQI
26AQI
27th February 2025
25AQI
25AQI
28th February 2025
37AQI
37AQI
1st March 2025
38AQI
38AQI
2nd March 2025
55AQI
55AQI
3rd March 2025
73AQI
73AQI
4th March 2025
77AQI
77AQI
5th March 2025
96AQI
96AQI
6th March 2025
88AQI
88AQI
7th March 2025
53AQI
53AQI
8th March 2025
69AQI
69AQI
9th March 2025
98AQI
98AQI
10th March 2025
146AQI
146AQI
11th March 2025
70AQI
70AQI
12th March 2025
36AQI
36AQI
13th March 2025
33AQI
33AQI
14th March 2025
32AQI
32AQI
15th March 2025
26AQI
26AQI
16th March 2025
24AQI
24AQI
17th March 2025
32AQI
32AQI
18th March 2025
42AQI
42AQI
19th March 2025
59AQI
59AQI
20th March 2025
63AQI
63AQI
21st March 2025
74AQI
74AQI
22nd March 2025
56AQI
56AQI
23rd March 2025
84AQI
84AQI
24th March 2025
91AQI
91AQI
25th March 2025
88AQI
88AQI
26th March 2025
43AQI
43AQI
27th March 2025
48AQI
48AQI
28th March 2025
30AQI
30AQI
29th March 2025
25AQI
25AQI
30th March 2025
33AQI
33AQI
31st March 2025
28AQI
28AQI
1st April 2025
35AQI
35AQI
2nd April 2025
44AQI
44AQI
3rd April 2025
62AQI
62AQI
4th April 2025
75AQI
75AQI
5th April 2025
40AQI
40AQI
6th April 2025
29AQI
29AQI
7th April 2025
30AQI
30AQI
8th April 2025
47AQI
47AQI
9th April 2025
32AQI
32AQI
10th April 2025
32AQI
32AQI
11th April 2025
59AQI
59AQI
12th April 2025
85AQI
85AQI
13th April 2025
47AQI
47AQI
14th April 2025
28AQI
28AQI
15th April 2025
51AQI
51AQI
16th April 2025
21AQI
21AQI
17th April 2025
24AQI
24AQI
18th April 2025
41AQI
41AQI
19th April 2025
43AQI
43AQI
20th April 2025
25AQI
25AQI
21st April 2025
47AQI
47AQI
22nd April 2025
28AQI
28AQI
23rd April 2025
20AQI
20AQI
24th April 2025
41AQI
41AQI
25th April 2025
37AQI
37AQI
26th April 2025
55AQI
55AQI
27th April 2025
56AQI
56AQI
28th April 2025
51AQI
51AQI
29th April 2025
65AQI
65AQI
30th April 2025
56AQI
56AQI
1st May 2025
78AQI
78AQI
2nd May 2025
62AQI
62AQI
3rd May 2025
48AQI
48AQI
4th May 2025
24AQI
24AQI
5th May 2025
20AQI
20AQI
6th May 2025
20AQI
20AQI
7th May 2025
23AQI
23AQI
8th May 2025
22AQI
22AQI
9th May 2025
30AQI
30AQI
10th May 2025
30AQI
30AQI
11th May 2025
39AQI
39AQI
12th May 2025
35AQI
35AQI
13th May 2025
43AQI
43AQI
14th May 2025
35AQI
35AQI
15th May 2025
35AQI
35AQI
16th May 2025
39AQI
39AQI
17th May 2025
32AQI
32AQI
18th May 2025
41AQI
41AQI
19th May 2025
36AQI
36AQI
20th May 2025
26AQI
26AQI
21st May 2025
34AQI
34AQI
22nd May 2025
32AQI
32AQI
23rd May 2025
25AQI
25AQI
24th May 2025
29AQI
29AQI
25th May 2025
18AQI
18AQI
26th May 2025
30AQI
30AQI
27th May 2025
24AQI
24AQI
28th May 2025
19AQI
19AQI
29th May 2025
21AQI
21AQI
30th May 2025
22AQI
22AQI
31st May 2025
26AQI
26AQI
1st June 2025
25AQI
25AQI
2nd June 2025
22AQI
22AQI
3rd June 2025
23AQI
23AQI
4th June 2025
24AQI
24AQI
5th June 2025
20AQI
20AQI
6th June 2025
17AQI
17AQI
7th June 2025
16AQI
16AQI
8th June 2025
17AQI
17AQI
9th June 2025
48AQI
48AQI
10th June 2025
47AQI
47AQI
11th June 2025
38AQI
38AQI
12th June 2025
47AQI
47AQI
13th June 2025
42AQI
42AQI
14th June 2025
41AQI
41AQI
15th June 2025
31AQI
31AQI
16th June 2025
29AQI
29AQI
17th June 2025
33AQI
33AQI
18th June 2025
34AQI
34AQI
19th June 2025
44AQI
44AQI
20th June 2025
49AQI
49AQI
21st June 2025
42AQI
42AQI
22nd June 2025
39AQI
39AQI
23rd June 2025
25AQI
25AQI
24th June 2025
24AQI
24AQI
25th June 2025
25AQI
25AQI
26th June 2025
22AQI
22AQI
27th June 2025
21AQI
21AQI
28th June 2025
20AQI
20AQI
29th June 2025
19AQI
19AQI
30th June 2025
30AQI
30AQI
1st July 2025
48AQI
48AQI
2nd July 2025
44AQI
44AQI
3rd July 2025
24AQI
24AQI
4th July 2025
22AQI
22AQI
5th July 2025
21AQI
21AQI
6th July 2025
20AQI
20AQI
7th July 2025
19AQI
19AQI
8th July 2025
23AQI
23AQI
9th July 2025
26AQI
26AQI
10th July 2025
25AQI
25AQI
11th July 2025
28AQI
28AQI
12th July 2025
28AQI
28AQI
13th July 2025
32AQI
32AQI
14th July 2025
40AQI
40AQI
15th July 2025
28AQI
28AQI
16th July 2025
26AQI
26AQI
17th July 2025
27AQI
27AQI
18th July 2025
24AQI
24AQI
19th July 2025
26AQI
26AQI
20th July 2025
25AQI
25AQI
21st July 2025
20AQI
20AQI
22nd July 2025
18AQI
18AQI
23rd July 2025
22AQI
22AQI
24th July 2025
44AQI
44AQI
25th July 2025
32AQI
32AQI
26th July 2025
41AQI
41AQI
27th July 2025
28AQI
28AQI
28th July 2025
27AQI
27AQI
29th July 2025
27AQI
27AQI
30th July 2025
28AQI
28AQI
31st July 2025
24AQI
24AQI
1st August 2025
22AQI
22AQI
2nd August 2025
21AQI
21AQI
3rd August 2025
25AQI
25AQI
4th August 2025
23AQI
23AQI
5th August 2025
23AQI
23AQI
6th August 2025
27AQI
27AQI
7th August 2025
28AQI
28AQI
8th August 2025
35AQI
35AQI
9th August 2025
28AQI
28AQI
10th August 2025
40AQI
40AQI
11th August 2025
51AQI
51AQI
12th August 2025
52AQI
52AQI
13th August 2025
59AQI
59AQI
14th August 2025
55AQI
55AQI
15th August 2025
37AQI
37AQI
16th August 2025
45AQI
45AQI
17th August 2025
33AQI
33AQI
18th August 2025
29AQI
29AQI
19th August 2025
31AQI
31AQI
20th August 2025
30AQI
30AQI
21st August 2025
28AQI
28AQI
22nd August 2025
23AQI
23AQI
23rd August 2025
25AQI
25AQI
24th August 2025
27AQI
27AQI
25th August 2025
31AQI
31AQI
26th August 2025
31AQI
31AQI
27th August 2025
29AQI
29AQI
28th August 2025
27AQI
27AQI
29th August 2025
23AQI
23AQI
30th August 2025
22AQI
22AQI
31st August 2025
23AQI
23AQI
1st September 2025
23AQI
23AQI
2nd September 2025
21AQI
21AQI
3rd September 2025
19AQI
19AQI
4th September 2025
22AQI
22AQI
5th September 2025
21AQI
21AQI
6th September 2025
23AQI
23AQI
7th September 2025
24AQI
24AQI
8th September 2025
24AQI
24AQI
9th September 2025
24AQI
24AQI
10th September 2025
24AQI
24AQI
11th September 2025
22AQI
22AQI
12th September 2025
19AQI
19AQI
13th September 2025
17AQI
17AQI
14th September 2025
19AQI
19AQI
15th September 2025
25AQI
25AQI
16th September 2025
24AQI
24AQI
17th September 2025
20AQI
20AQI
18th September 2025
16AQI
16AQI
19th September 2025
21AQI
21AQI
20th September 2025
31AQI
31AQI
21st September 2025
19AQI
19AQI
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
45AQI
55AQI
58AQI
44AQI
32AQI
30AQI
28AQI
32AQI
22AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202539AQI
18
13
13
15
14
16
1
20
10
29
2
30
31
27
4
21
203
60
1
Highest AQI recorded in
March58AQI
Lowest AQI recorded in
September22AQI
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
November48AQI
Lowest AQI recorded in
July27AQI
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
February51AQI
Lowest AQI recorded in
July26AQI
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
March75AQI
Lowest AQI recorded in
August26AQI
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
March53AQI
Lowest AQI recorded in
August28AQI
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
April55AQI
Lowest AQI recorded in
July23AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
41AQILeast Polluted Year Recorded
2024(Avg.)
35AQILeigh On Sea's annual 2025 AQI (39) shows an average percentage change of 3.6% (worsened AQI) compared to previous years: 2020 (36), 2021 (39), 2022 (41), 2023 (37), 2024 (35).
