Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Rayleigh, Essex, 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

Rayleigh, Essex, United Kingdom

2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
18th Aug 2023
67AQI
Lowest AQI recorded on
13th Aug 2023
4AQI

Same Day Analysis (15th August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 2nd highest AQI at 37 of Good air quality, showing improvement over 2025 on the same day.

Day & Night AQI Trend: 15th Aug - 16th Aug 2026

Rayleigh, Essex, United Kingdom

AQI
Day
Night
.

5 AM15th Aug 2026

8 PM

4 AM16th Aug 2026

Day time
Avg. Highest Time
10AM15th Aug

54AQI

Avg. Lowest Time
4PM15th Aug

21AQI

Night time
Avg. Highest Time
10PM15th Aug

30AQI

Avg. Lowest Time
12AM16th Aug

23AQI

In the last 24 hours,

Rayleigh's AQI reached its highest point of 54 at 10 AM during the Day, while the lowest point, 21, was recorded at 4 PM during the Day between 15th Aug and 16th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Rayleigh, Essex, United Kingdom

JulAug
18th - 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 - 14th14th - 15th15th - 16th16th
Day
Night
18th Jul 2026585 AMAQI
18th Jul 2026606 AMAQI
18th Jul 2026627 AMAQI
18th Jul 2026658 AMAQI
18th Jul 2026739 AMAQI
18th Jul 20266210 AMAQI
18th Jul 20265411 AMAQI
18th Jul 20264612 PMAQI
18th Jul 2026361 PMAQI
18th Jul 2026312 PMAQI
18th Jul 2026313 PMAQI
18th Jul 2026274 PMAQI
18th Jul 2026235 PMAQI
18th Jul 2026256 PMAQI
18th Jul 2026217 PMAQI
18th Jul 2026218 PMAQI
18th Jul 2026279 PMAQI
18th Jul 20263310 PMAQI
18th Jul 20262711 PMAQI
19th Jul 20262712 AMAQI
19th Jul 2026251 AMAQI
19th Jul 2026232 AMAQI
19th Jul 2026253 AMAQI
19th Jul 2026274 AMAQI

17°C12/23°C

19th Jul 2026275 AMAQI
19th Jul 2026236 AMAQI
19th Jul 2026257 AMAQI
19th Jul 2026258 AMAQI
19th Jul 2026219 AMAQI
19th Jul 20262710 AMAQI
19th Jul 20262911 AMAQI
19th Jul 20263212 PMAQI
19th Jul 2026381 PMAQI
19th Jul 2026362 PMAQI
19th Jul 2026293 PMAQI
19th Jul 2026254 PMAQI
19th Jul 2026295 PMAQI
19th Jul 2026296 PMAQI
19th Jul 2026257 PMAQI
19th Jul 2026278 PMAQI
19th Jul 2026299 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20262511 PMAQI
20th Jul 20262512 AMAQI
20th Jul 2026251 AMAQI
20th Jul 2026252 AMAQI
20th Jul 2026293 AMAQI
20th Jul 2026254 AMAQI

16°C9/22°C

20th Jul 2026215 AMAQI
20th Jul 2026216 AMAQI
20th Jul 2026217 AMAQI
20th Jul 2026238 AMAQI
20th Jul 2026239 AMAQI
20th Jul 20262510 AMAQI
20th Jul 20262511 AMAQI
20th Jul 20262112 PMAQI
20th Jul 2026211 PMAQI
20th Jul 2026252 PMAQI
20th Jul 2026293 PMAQI
20th Jul 2026254 PMAQI
20th Jul 2026255 PMAQI
20th Jul 2026276 PMAQI
20th Jul 2026257 PMAQI
20th Jul 2026278 PMAQI
20th Jul 2026259 PMAQI
20th Jul 20262510 PMAQI
20th Jul 20262311 PMAQI
21st Jul 20262912 AMAQI
21st Jul 2026251 AMAQI
21st Jul 2026212 AMAQI
21st Jul 2026233 AMAQI

16°C9/23°C

21st Jul 2026255 AMAQI
21st Jul 2026276 AMAQI
21st Jul 2026327 AMAQI
21st Jul 2026388 AMAQI
21st Jul 2026289 AMAQI
21st Jul 20263310 AMAQI
21st Jul 20263611 AMAQI
21st Jul 20262512 PMAQI
21st Jul 2026251 PMAQI
21st Jul 2026252 PMAQI
21st Jul 2026253 PMAQI
21st Jul 2026254 PMAQI
21st Jul 2026255 PMAQI
21st Jul 2026256 PMAQI
21st Jul 2026237 PMAQI
21st Jul 2026258 PMAQI
21st Jul 2026279 PMAQI
21st Jul 20262910 PMAQI
21st Jul 20262311 PMAQI
22nd Jul 20262512 AMAQI
22nd Jul 2026331 AMAQI
22nd Jul 2026272 AMAQI
22nd Jul 2026253 AMAQI
22nd Jul 2026234 AMAQI

18°C11/24°C

22nd Jul 2026215 AMAQI
22nd Jul 2026236 AMAQI
22nd Jul 2026257 AMAQI
22nd Jul 2026238 AMAQI
22nd Jul 2026309 AMAQI
22nd Jul 20262310 AMAQI
22nd Jul 20262311 AMAQI
22nd Jul 20262712 PMAQI
22nd Jul 2026251 PMAQI
22nd Jul 2026262 PMAQI
22nd Jul 2026253 PMAQI
22nd Jul 2026294 PMAQI
22nd Jul 2026315 PMAQI
22nd Jul 2026296 PMAQI
22nd Jul 2026237 PMAQI
22nd Jul 2026258 PMAQI
22nd Jul 2026279 PMAQI
22nd Jul 20262310 PMAQI
22nd Jul 20262111 PMAQI
23rd Jul 20262112 AMAQI
23rd Jul 2026251 AMAQI
23rd Jul 2026272 AMAQI
23rd Jul 2026293 AMAQI
23rd Jul 2026314 AMAQI

18°C14/22°C

23rd Jul 2026315 AMAQI
23rd Jul 2026296 AMAQI
23rd Jul 2026237 AMAQI
23rd Jul 2026258 AMAQI
23rd Jul 2026219 AMAQI
23rd Jul 20262510 AMAQI
23rd Jul 20262111 AMAQI
23rd Jul 20262112 PMAQI
23rd Jul 2026211 PMAQI
23rd Jul 2026252 PMAQI
23rd Jul 2026253 PMAQI
23rd Jul 2026234 PMAQI
23rd Jul 2026255 PMAQI
23rd Jul 2026276 PMAQI
23rd Jul 2026297 PMAQI
23rd Jul 2026298 PMAQI
23rd Jul 2026279 PMAQI
23rd Jul 20262710 PMAQI
23rd Jul 20263311 PMAQI
24th Jul 20263412 AMAQI
24th Jul 2026381 AMAQI
24th Jul 2026422 AMAQI
24th Jul 2026443 AMAQI
24th Jul 2026424 AMAQI

20°C14/26°C

24th Jul 2026515 AMAQI
24th Jul 2026526 AMAQI
24th Jul 2026467 AMAQI
24th Jul 2026448 AMAQI
24th Jul 2026429 AMAQI
24th Jul 20263810 AMAQI
24th Jul 20263811 AMAQI
24th Jul 20263812 PMAQI
24th Jul 2026361 PMAQI
24th Jul 2026272 PMAQI
24th Jul 2026333 PMAQI
24th Jul 2026274 PMAQI
24th Jul 2026405 PMAQI
24th Jul 2026426 PMAQI
24th Jul 2026427 PMAQI
24th Jul 2026468 PMAQI
24th Jul 2026509 PMAQI
24th Jul 20264910 PMAQI
24th Jul 20265111 PMAQI
25th Jul 20265112 AMAQI
25th Jul 2026511 AMAQI
25th Jul 2026522 AMAQI
25th Jul 2026583 AMAQI
25th Jul 2026604 AMAQI

22°C16/28°C

25th Jul 2026555 AMAQI
25th Jul 2026526 AMAQI
25th Jul 2026577 AMAQI
25th Jul 2026488 AMAQI
25th Jul 2026499 AMAQI
25th Jul 20264210 AMAQI
25th Jul 20263211 AMAQI
25th Jul 20263312 PMAQI
25th Jul 2026311 PMAQI
25th Jul 2026312 PMAQI
25th Jul 2026333 PMAQI
25th Jul 2026334 PMAQI
25th Jul 2026315 PMAQI
25th Jul 2026296 PMAQI
25th Jul 2026297 PMAQI
25th Jul 2026298 PMAQI
25th Jul 2026299 PMAQI
25th Jul 20263110 PMAQI
25th Jul 20262911 PMAQI
26th Jul 20263112 AMAQI
26th Jul 2026271 AMAQI
26th Jul 2026232 AMAQI
26th Jul 2026253 AMAQI
26th Jul 2026274 AMAQI

22°C14/29°C

26th Jul 2026275 AMAQI
26th Jul 2026256 AMAQI
26th Jul 2026257 AMAQI
26th Jul 2026238 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20262910 AMAQI
26th Jul 20262911 AMAQI
26th Jul 20262712 PMAQI
26th Jul 2026251 PMAQI
26th Jul 2026252 PMAQI
26th Jul 2026233 PMAQI
26th Jul 2026254 PMAQI
26th Jul 2026235 PMAQI
26th Jul 2026276 PMAQI
26th Jul 2026257 PMAQI
26th Jul 2026258 PMAQI
26th Jul 2026279 PMAQI
26th Jul 20262710 PMAQI
26th Jul 20262711 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026251 AMAQI
27th Jul 2026212 AMAQI
27th Jul 2026253 AMAQI
27th Jul 2026274 AMAQI

21°C17/26°C

27th Jul 2026255 AMAQI
27th Jul 2026316 AMAQI
27th Jul 2026297 AMAQI
27th Jul 2026298 AMAQI
27th Jul 2026299 AMAQI
27th Jul 20262510 AMAQI
27th Jul 20263011 AMAQI
27th Jul 20263612 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026252 PMAQI
27th Jul 2026233 PMAQI
27th Jul 2026274 PMAQI
27th Jul 2026255 PMAQI
27th Jul 2026256 PMAQI
27th Jul 2026237 PMAQI
27th Jul 2026258 PMAQI
27th Jul 2026299 PMAQI
27th Jul 20262910 PMAQI
27th Jul 20262111 PMAQI
28th Jul 20262112 AMAQI
28th Jul 2026211 AMAQI
28th Jul 2026232 AMAQI
28th Jul 2026253 AMAQI
28th Jul 2026254 AMAQI

20°C14/27°C

28th Jul 2026275 AMAQI
28th Jul 2026276 AMAQI
28th Jul 2026367 AMAQI
28th Jul 2026278 AMAQI
28th Jul 2026259 AMAQI
28th Jul 20263610 AMAQI
28th Jul 20262311 AMAQI
28th Jul 20262512 PMAQI
28th Jul 2026231 PMAQI
28th Jul 2026232 PMAQI
28th Jul 2026233 PMAQI
28th Jul 2026234 PMAQI
28th Jul 2026215 PMAQI
28th Jul 2026296 PMAQI
28th Jul 2026277 PMAQI
28th Jul 2026258 PMAQI
28th Jul 2026219 PMAQI
28th Jul 20262310 PMAQI
28th Jul 20263611 PMAQI
29th Jul 20262112 AMAQI
29th Jul 2026211 AMAQI
29th Jul 2026312 AMAQI
29th Jul 2026233 AMAQI
29th Jul 2026254 AMAQI

24°C17/30°C

29th Jul 2026235 AMAQI
29th Jul 2026276 AMAQI
29th Jul 2026297 AMAQI
29th Jul 2026278 AMAQI
29th Jul 2026279 AMAQI
29th Jul 20263610 AMAQI
29th Jul 20263611 AMAQI
29th Jul 20262312 PMAQI
29th Jul 2026251 PMAQI
29th Jul 2026232 PMAQI
29th Jul 2026213 PMAQI
29th Jul 2026214 PMAQI
29th Jul 2026255 PMAQI
29th Jul 2026236 PMAQI
29th Jul 2026237 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026239 PMAQI
29th Jul 20262310 PMAQI
29th Jul 20263111 PMAQI
30th Jul 20262912 AMAQI
30th Jul 2026381 AMAQI
30th Jul 2026362 AMAQI
30th Jul 2026443 AMAQI
30th Jul 2026464 AMAQI

26°C18/34°C

30th Jul 2026315 AMAQI
30th Jul 2026276 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026238 AMAQI
30th Jul 2026279 AMAQI
30th Jul 20262310 AMAQI
30th Jul 20262111 AMAQI
30th Jul 20262512 PMAQI
30th Jul 2026251 PMAQI
30th Jul 2026252 PMAQI
30th Jul 2026253 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026275 PMAQI
30th Jul 2026296 PMAQI
30th Jul 2026257 PMAQI
30th Jul 2026238 PMAQI
30th Jul 2026299 PMAQI
30th Jul 20262510 PMAQI
30th Jul 20262511 PMAQI
31st Jul 20262512 AMAQI
31st Jul 2026311 AMAQI
31st Jul 2026252 AMAQI
31st Jul 2026273 AMAQI
31st Jul 2026254 AMAQI

22°C17/28°C

31st Jul 2026235 AMAQI
31st Jul 2026216 AMAQI
31st Jul 2026297 AMAQI
31st Jul 2026258 AMAQI
31st Jul 2026279 AMAQI
31st Jul 20262510 AMAQI
31st Jul 20262511 AMAQI
31st Jul 20262512 PMAQI
31st Jul 2026251 PMAQI
31st Jul 2026272 PMAQI
31st Jul 2026253 PMAQI
31st Jul 2026254 PMAQI
31st Jul 2026385 PMAQI
31st Jul 2026256 PMAQI
31st Jul 2026217 PMAQI
31st Jul 2026218 PMAQI
31st Jul 2026279 PMAQI
31st Jul 20262710 PMAQI
31st Jul 20262711 PMAQI
1st Aug 20263112 AMAQI
1st Aug 2026491 AMAQI
1st Aug 2026402 AMAQI
1st Aug 2026363 AMAQI
1st Aug 2026444 AMAQI

20°C16/25°C

1st Aug 2026475 AMAQI
1st Aug 2026446 AMAQI
1st Aug 2026447 AMAQI
1st Aug 2026238 AMAQI
1st Aug 2026219 AMAQI
1st Aug 20262310 AMAQI
1st Aug 20262911 AMAQI
1st Aug 20262912 PMAQI
1st Aug 2026251 PMAQI
1st Aug 2026252 PMAQI
1st Aug 2026273 PMAQI
1st Aug 2026214 PMAQI
1st Aug 2026235 PMAQI
1st Aug 2026216 PMAQI
1st Aug 2026257 PMAQI
1st Aug 2026298 PMAQI
1st Aug 2026319 PMAQI
1st Aug 20264510 PMAQI
1st Aug 20265111 PMAQI
2nd Aug 20265012 AMAQI
2nd Aug 2026441 AMAQI
2nd Aug 2026362 AMAQI
2nd Aug 2026273 AMAQI
2nd Aug 2026254 AMAQI

20°C12/25°C

2nd Aug 2026385 AMAQI
2nd Aug 2026426 AMAQI
2nd Aug 2026427 AMAQI
2nd Aug 2026508 AMAQI
2nd Aug 2026389 AMAQI
2nd Aug 20263410 AMAQI
2nd Aug 20263111 AMAQI
2nd Aug 20262512 PMAQI
2nd Aug 2026251 PMAQI
2nd Aug 2026212 PMAQI
2nd Aug 2026293 PMAQI
2nd Aug 2026254 PMAQI
2nd Aug 2026405 PMAQI
2nd Aug 2026326 PMAQI
2nd Aug 2026297 PMAQI
2nd Aug 2026258 PMAQI
2nd Aug 2026219 PMAQI
2nd Aug 20262310 PMAQI
2nd Aug 20262511 PMAQI
3rd Aug 20262312 AMAQI
3rd Aug 2026231 AMAQI
3rd Aug 2026252 AMAQI
3rd Aug 2026253 AMAQI
3rd Aug 2026274 AMAQI

19°C15/22°C

3rd Aug 2026425 AMAQI
3rd Aug 2026456 AMAQI
3rd Aug 2026367 AMAQI
3rd Aug 2026318 AMAQI
3rd Aug 2026259 AMAQI
3rd Aug 20262310 AMAQI
3rd Aug 20262111 AMAQI
3rd Aug 20262112 PMAQI
3rd Aug 2026341 PMAQI
3rd Aug 2026232 PMAQI
3rd Aug 2026213 PMAQI
3rd Aug 2026254 PMAQI
3rd Aug 2026275 PMAQI
3rd Aug 2026256 PMAQI
3rd Aug 2026257 PMAQI
3rd Aug 2026278 PMAQI
3rd Aug 2026299 PMAQI
3rd Aug 20263810 PMAQI
3rd Aug 20264611 PMAQI
4th Aug 20264212 AMAQI
4th Aug 2026481 AMAQI
4th Aug 2026542 AMAQI
4th Aug 2026603 AMAQI
4th Aug 2026444 AMAQI

21°C16/26°C

4th Aug 2026585 AMAQI
4th Aug 2026586 AMAQI
4th Aug 2026607 AMAQI
4th Aug 2026578 AMAQI
4th Aug 2026529 AMAQI
4th Aug 20264410 AMAQI
4th Aug 20263811 AMAQI
4th Aug 20262912 PMAQI
4th Aug 2026291 PMAQI
4th Aug 2026232 PMAQI
4th Aug 2026213 PMAQI
4th Aug 2026254 PMAQI
4th Aug 2026295 PMAQI
4th Aug 2026296 PMAQI
4th Aug 2026257 PMAQI
4th Aug 2026278 PMAQI
4th Aug 2026239 PMAQI
4th Aug 20263110 PMAQI
4th Aug 20263111 PMAQI
5th Aug 20262912 AMAQI
5th Aug 2026271 AMAQI
5th Aug 2026232 AMAQI
5th Aug 2026293 AMAQI
5th Aug 2026334 AMAQI

24°C18/31°C

5th Aug 2026215 AMAQI
5th Aug 2026256 AMAQI
5th Aug 2026297 AMAQI
5th Aug 2026258 AMAQI
5th Aug 2026259 AMAQI
5th Aug 20262710 AMAQI
5th Aug 20262511 AMAQI
5th Aug 20262912 PMAQI
5th Aug 2026291 PMAQI
5th Aug 2026262 PMAQI
5th Aug 2026293 PMAQI
5th Aug 2026334 PMAQI
5th Aug 2026385 PMAQI
5th Aug 2026386 PMAQI
5th Aug 2026257 PMAQI
5th Aug 2026238 PMAQI
5th Aug 2026239 PMAQI
5th Aug 20263110 PMAQI
5th Aug 20262711 PMAQI
6th Aug 20262912 AMAQI
6th Aug 2026231 AMAQI
6th Aug 2026252 AMAQI
6th Aug 2026293 AMAQI
6th Aug 2026334 AMAQI

21°C17/26°C

6th Aug 2026235 AMAQI
6th Aug 2026256 AMAQI
6th Aug 2026217 AMAQI
6th Aug 2026298 AMAQI
6th Aug 2026259 AMAQI
6th Aug 20262510 AMAQI
6th Aug 20262511 AMAQI
6th Aug 20262712 PMAQI
6th Aug 2026231 PMAQI
6th Aug 2026252 PMAQI
6th Aug 2026293 PMAQI
6th Aug 2026274 PMAQI
6th Aug 2026255 PMAQI
6th Aug 2026256 PMAQI
6th Aug 2026257 PMAQI
6th Aug 2026278 PMAQI
6th Aug 2026299 PMAQI
6th Aug 20262910 PMAQI
6th Aug 20263011 PMAQI
7th Aug 20262312 AMAQI
7th Aug 2026231 AMAQI
7th Aug 2026272 AMAQI
7th Aug 2026293 AMAQI
7th Aug 2026294 AMAQI

18°C13/24°C

7th Aug 2026235 AMAQI
7th Aug 2026256 AMAQI
7th Aug 2026237 AMAQI
7th Aug 2026218 AMAQI
7th Aug 2026259 AMAQI
7th Aug 20262510 AMAQI
7th Aug 20262511 AMAQI
7th Aug 20262912 PMAQI
7th Aug 2026461 PMAQI
7th Aug 2026212 PMAQI
7th Aug 2026323 PMAQI
7th Aug 2026214 PMAQI
7th Aug 2026595 PMAQI
7th Aug 2026236 PMAQI
7th Aug 2026327 PMAQI
7th Aug 2026258 PMAQI
7th Aug 2026279 PMAQI
7th Aug 20262710 PMAQI
7th Aug 20262511 PMAQI
8th Aug 20262512 AMAQI
8th Aug 2026271 AMAQI
8th Aug 2026292 AMAQI
8th Aug 2026343 AMAQI
8th Aug 2026324 AMAQI

18°C12/24°C

8th Aug 2026235 AMAQI
8th Aug 2026216 AMAQI
8th Aug 2026257 AMAQI
8th Aug 2026278 AMAQI
8th Aug 2026279 AMAQI
8th Aug 20262510 AMAQI
8th Aug 20262511 AMAQI
8th Aug 20262512 PMAQI
8th Aug 2026251 PMAQI
8th Aug 2026272 PMAQI
8th Aug 2026273 PMAQI
8th Aug 2026274 PMAQI
8th Aug 2026255 PMAQI
8th Aug 2026256 PMAQI
8th Aug 2026257 PMAQI
8th Aug 2026218 PMAQI
8th Aug 2026449 PMAQI
8th Aug 20262110 PMAQI
8th Aug 20262111 PMAQI
9th Aug 20262312 AMAQI
9th Aug 2026251 AMAQI
9th Aug 2026292 AMAQI
9th Aug 2026333 AMAQI
9th Aug 2026364 AMAQI

20°C14/26°C

9th Aug 2026315 AMAQI
9th Aug 2026406 AMAQI
9th Aug 2026487 AMAQI
9th Aug 2026518 AMAQI
9th Aug 2026499 AMAQI
9th Aug 20264610 AMAQI
9th Aug 20263311 AMAQI
9th Aug 20263112 PMAQI
9th Aug 2026251 PMAQI
9th Aug 2026252 PMAQI
9th Aug 2026253 PMAQI
9th Aug 2026274 PMAQI
9th Aug 2026315 PMAQI
9th Aug 2026316 PMAQI
9th Aug 2026307 PMAQI
9th Aug 2026278 PMAQI
9th Aug 2026279 PMAQI
9th Aug 20263810 PMAQI
9th Aug 20263611 PMAQI
10th Aug 20262712 AMAQI
10th Aug 2026251 AMAQI
10th Aug 2026292 AMAQI
10th Aug 2026273 AMAQI
10th Aug 2026254 AMAQI

24°C17/30°C

10th Aug 2026255 AMAQI
10th Aug 2026236 AMAQI
10th Aug 2026237 AMAQI
10th Aug 2026258 AMAQI
10th Aug 2026279 AMAQI
10th Aug 20262510 AMAQI
10th Aug 20262511 AMAQI
10th Aug 20262512 PMAQI
10th Aug 2026271 PMAQI
10th Aug 2026232 PMAQI
10th Aug 2026293 PMAQI
10th Aug 2026254 PMAQI
10th Aug 2026235 PMAQI
10th Aug 2026296 PMAQI
10th Aug 2026277 PMAQI
10th Aug 2026278 PMAQI
10th Aug 2026299 PMAQI
10th Aug 20262510 PMAQI
10th Aug 20262711 PMAQI
11th Aug 20262712 AMAQI
11th Aug 2026291 AMAQI
11th Aug 2026422 AMAQI
11th Aug 2026423 AMAQI
11th Aug 2026264 AMAQI

20°C16/26°C

11th Aug 2026235 AMAQI
11th Aug 2026236 AMAQI
11th Aug 2026257 AMAQI
11th Aug 2026258 AMAQI
11th Aug 2026329 AMAQI
11th Aug 20262510 AMAQI
11th Aug 20262711 AMAQI
11th Aug 20262312 PMAQI
11th Aug 2026211 PMAQI
11th Aug 2026212 PMAQI
11th Aug 2026253 PMAQI
11th Aug 2026274 PMAQI
11th Aug 2026275 PMAQI
11th Aug 2026316 PMAQI
11th Aug 2026257 PMAQI
11th Aug 2026258 PMAQI
11th Aug 2026259 PMAQI
11th Aug 20262710 PMAQI
11th Aug 20262511 PMAQI
12th Aug 20262312 AMAQI
12th Aug 2026251 AMAQI
12th Aug 2026272 AMAQI
12th Aug 2026293 AMAQI
12th Aug 2026344 AMAQI

19°C17/20°C

12th Aug 2026365 AMAQI
12th Aug 2026366 AMAQI
12th Aug 2026217 AMAQI
12th Aug 2026238 AMAQI
12th Aug 2026259 AMAQI
12th Aug 20262510 AMAQI
12th Aug 20262111 AMAQI
12th Aug 20262312 PMAQI
12th Aug 2026231 PMAQI
12th Aug 2026322 PMAQI
12th Aug 2026343 PMAQI
12th Aug 2026214 PMAQI
12th Aug 2026215 PMAQI
12th Aug 2026226 PMAQI
12th Aug 2026227 PMAQI
12th Aug 2026228 PMAQI
12th Aug 2026229 PMAQI
12th Aug 20262310 PMAQI
12th Aug 20263011 PMAQI
13th Aug 20262812 AMAQI
13th Aug 2026321 AMAQI
13th Aug 2026302 AMAQI
13th Aug 2026263 AMAQI
13th Aug 2026254 AMAQI

21°C17/26°C

13th Aug 2026215 AMAQI
13th Aug 2026276 AMAQI
13th Aug 2026257 AMAQI
13th Aug 2026298 AMAQI
13th Aug 2026239 AMAQI
13th Aug 20263410 AMAQI
13th Aug 20263211 AMAQI
13th Aug 20262812 PMAQI
13th Aug 2026271 PMAQI
13th Aug 2026252 PMAQI
13th Aug 2026243 PMAQI
13th Aug 2026254 PMAQI
13th Aug 2026245 PMAQI
13th Aug 2026276 PMAQI
13th Aug 2026297 PMAQI
13th Aug 2026248 PMAQI
13th Aug 2026269 PMAQI
13th Aug 20262910 PMAQI
13th Aug 20263711 PMAQI
14th Aug 20263812 AMAQI
14th Aug 2026471 AMAQI
14th Aug 2026362 AMAQI
14th Aug 2026303 AMAQI
14th Aug 2026404 AMAQI

24°C18/30°C

14th Aug 2026215 AMAQI
14th Aug 2026246 AMAQI
14th Aug 2026257 AMAQI
14th Aug 2026318 AMAQI
14th Aug 2026429 AMAQI
14th Aug 20264810 AMAQI
14th Aug 20263811 AMAQI
14th Aug 20263812 PMAQI
14th Aug 2026541 PMAQI
14th Aug 2026542 PMAQI
14th Aug 2026563 PMAQI
14th Aug 2026564 PMAQI
14th Aug 2026385 PMAQI
14th Aug 2026446 PMAQI
14th Aug 2026427 PMAQI
14th Aug 2026388 PMAQI
14th Aug 2026339 PMAQI
14th Aug 20265210 PMAQI
14th Aug 20266511 PMAQI
15th Aug 20266012 AMAQI
15th Aug 2026581 AMAQI
15th Aug 2026542 AMAQI
15th Aug 2026543 AMAQI
15th Aug 2026524 AMAQI

26°C20/33°C

15th Aug 2026465 AMAQI
15th Aug 2026406 AMAQI
15th Aug 2026407 AMAQI
15th Aug 2026338 AMAQI
15th Aug 2026509 AMAQI
15th Aug 20265410 AMAQI
15th Aug 20263611 AMAQI
15th Aug 20263312 PMAQI
15th Aug 2026311 PMAQI
15th Aug 2026232 PMAQI
15th Aug 2026213 PMAQI
15th Aug 2026214 PMAQI
15th Aug 2026235 PMAQI
15th Aug 2026236 PMAQI
15th Aug 2026297 PMAQI
15th Aug 2026278 PMAQI
15th Aug 2026299 PMAQI
15th Aug 20263010 PMAQI
15th Aug 20262311 PMAQI
16th Aug 20262312 AMAQI
16th Aug 2026291 AMAQI
16th Aug 2026292 AMAQI
16th Aug 2026293 AMAQI
16th Aug 2026294 AMAQI

21°C18/26°C

16th Aug 2026235 AMAQI
5 AM
16th Aug 2026276 AMAQI
16th Aug 2026297 AMAQI
16th Aug 2026328 AMAQI
16th Aug 2026319 AMAQI
16th Aug 20262110 AMAQI
16th Aug 20262511 AMAQI
16th Aug 20262712 PMAQI
12 PM
16th Aug 2026251 PMAQI
16th Aug 2026232 PMAQI
16th Aug 2026233 PMAQI
16th Aug 2026234 PMAQI
16th Aug 2026295 PMAQI
16th Aug 2026236 PMAQI
16th Aug 2026217 PMAQI
16th Aug 2026258 PMAQI
8 PM
16th Aug 2026279 PMAQI
16th Aug 20262110 PMAQI
16th Aug 20262311 PMAQI
12 AM
4 AM

20°C16/25°C

Day time
Avg. Highest Time
7 AM

33AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
2 PM

26AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 7 AM (Avg. 33), while the lowest AQI was between 2 PM to 2 PM (Avg. 26).
Night time
Avg. Highest Time
3 AM - 4 AM

34AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
9 PM

28AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 4 AM (Avg. 34), while the lowest AQI was between 9 PM to 9 PM (Avg. 28).

2026 Days Vs Air Quality

Rayleigh, Essex, United Kingdom

2026

87%

195

12%

26

1%

3

Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)

Good
195 Days
Moderate
26 Days
Poor
3 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 87%

Health Risk Level:

Low

In 2026, 87% of 228 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

Rayleigh, Essex, United Kingdom

AQI levels in 2026

AQI (US)
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 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
26AQI (US)
2nd January 2026
15AQI (US)
3rd January 2026
19AQI (US)
4th January 2026
30AQI (US)
5th January 2026
35AQI (US)
6th January 2026
38AQI (US)
7th January 2026
20AQI (US)
8th January 2026
35AQI (US)
9th January 2026
18AQI (US)
10th January 2026
25AQI (US)
11th January 2026
36AQI (US)
12th January 2026
22AQI (US)
13th January 2026
17AQI (US)
14th January 2026
30AQI (US)
15th January 2026
19AQI (US)
16th January 2026
23AQI (US)
17th January 2026
37AQI (US)
18th January 2026
62AQI (US)
19th January 2026
59AQI (US)
20th January 2026
32AQI (US)
21st January 2026
18AQI (US)
22nd January 2026
37AQI (US)
23rd January 2026
36AQI (US)
24th January 2026
47AQI (US)
25th January 2026
61AQI (US)
26th January 2026
96AQI (US)
27th January 2026
57AQI (US)
28th January 2026
25AQI (US)
29th January 2026
55AQI (US)
30th January 2026
31AQI (US)
31st January 2026
26AQI (US)
1st February 2026
43AQI (US)
2nd February 2026
47AQI (US)
3rd February 2026
53AQI (US)
4th February 2026
37AQI (US)
5th February 2026
48AQI (US)
6th February 2026
44AQI (US)
7th February 2026
37AQI (US)
8th February 2026
38AQI (US)
9th February 2026
43AQI (US)
10th February 2026
38AQI (US)
11th February 2026
38AQI (US)
12th February 2026
37AQI (US)
13th February 2026
43AQI (US)
14th February 2026
40AQI (US)
15th February 2026
28AQI (US)
16th February 2026
35AQI (US)
17th February 2026
41AQI (US)
18th February 2026
41AQI (US)
19th February 2026
40AQI (US)
20th February 2026
37AQI (US)
21st February 2026
22AQI (US)
22nd February 2026
28AQI (US)
23rd February 2026
33AQI (US)
24th February 2026
24AQI (US)
25th February 2026
36AQI (US)
26th February 2026
21AQI (US)
27th February 2026
40AQI (US)
28th February 2026
16AQI (US)
1st March 2026
25AQI (US)
2nd March 2026
34AQI (US)
3rd March 2026
53AQI (US)
4th March 2026
102AQI (US)
5th March 2026
80AQI (US)
6th March 2026
99AQI (US)
7th March 2026
62AQI (US)
8th March 2026
97AQI (US)
9th March 2026
135AQI (US)
10th March 2026
71AQI (US)
11th March 2026
24AQI (US)
12th March 2026
28AQI (US)
13th March 2026
34AQI (US)
14th March 2026
33AQI (US)
15th March 2026
31AQI (US)
16th March 2026
30AQI (US)
17th March 2026
31AQI (US)
18th March 2026
38AQI (US)
19th March 2026
77AQI (US)
20th March 2026
83AQI (US)
21st March 2026
35AQI (US)
22nd March 2026
91AQI (US)
23rd March 2026
118AQI (US)
24th March 2026
76AQI (US)
25th March 2026
16AQI (US)
26th March 2026
19AQI (US)
27th March 2026
30AQI (US)
28th March 2026
30AQI (US)
29th March 2026
22AQI (US)
30th March 2026
23AQI (US)
31st March 2026
36AQI (US)
1st April 2026
39AQI (US)
2nd April 2026
31AQI (US)
3rd April 2026
34AQI (US)
4th April 2026
29AQI (US)
5th April 2026
26AQI (US)
6th April 2026
24AQI (US)
7th April 2026
42AQI (US)
8th April 2026
50AQI (US)
9th April 2026
36AQI (US)
10th April 2026
18AQI (US)
11th April 2026
26AQI (US)
12th April 2026
30AQI (US)
13th April 2026
30AQI (US)
14th April 2026
34AQI (US)
15th April 2026
38AQI (US)
16th April 2026
30AQI (US)
17th April 2026
18th April 2026
28AQI (US)
19th April 2026
25AQI (US)
20th April 2026
25AQI (US)
21st April 2026
41AQI (US)
22nd April 2026
23rd April 2026
47AQI (US)
24th April 2026
26AQI (US)
25th April 2026
40AQI (US)
26th April 2026
49AQI (US)
27th April 2026
31AQI (US)
28th April 2026
33AQI (US)
29th April 2026
28AQI (US)
30th April 2026
26AQI (US)
1st May 2026
38AQI (US)
2nd May 2026
63AQI (US)
3rd May 2026
68AQI (US)
4th May 2026
74AQI (US)
5th May 2026
35AQI (US)
6th May 2026
31AQI (US)
7th May 2026
35AQI (US)
8th May 2026
78AQI (US)
9th May 2026
10th May 2026
50AQI (US)
11th May 2026
17AQI (US)
12th May 2026
23AQI (US)
13th May 2026
23AQI (US)
14th May 2026
22AQI (US)
15th May 2026
36AQI (US)
16th May 2026
37AQI (US)
17th May 2026
37AQI (US)
18th May 2026
33AQI (US)
19th May 2026
37AQI (US)
20th May 2026
38AQI (US)
21st May 2026
40AQI (US)
22nd May 2026
35AQI (US)
23rd May 2026
47AQI (US)
24th May 2026
76AQI (US)
25th May 2026
45AQI (US)
26th May 2026
28AQI (US)
27th May 2026
50AQI (US)
28th May 2026
44AQI (US)
29th May 2026
39AQI (US)
30th May 2026
35AQI (US)
31st May 2026
17AQI (US)
1st June 2026
15AQI (US)
2nd June 2026
22AQI (US)
3rd June 2026
15AQI (US)
4th June 2026
15AQI (US)
5th June 2026
14AQI (US)
6th June 2026
22AQI (US)
7th June 2026
18AQI (US)
8th June 2026
20AQI (US)
9th June 2026
10AQI (US)
10th June 2026
19AQI (US)
11th June 2026
24AQI (US)
12th June 2026
14AQI (US)
13th June 2026
17AQI (US)
14th June 2026
19AQI (US)
15th June 2026
25AQI (US)
16th June 2026
38AQI (US)
17th June 2026
22AQI (US)
18th June 2026
26AQI (US)
19th June 2026
43AQI (US)
20th June 2026
18AQI (US)
21st June 2026
28AQI (US)
22nd June 2026
26AQI (US)
23rd June 2026
33AQI (US)
24th June 2026
78AQI (US)
25th June 2026
65AQI (US)
26th June 2026
64AQI (US)
27th June 2026
35AQI (US)
28th June 2026
22AQI (US)
29th June 2026
19AQI (US)
30th June 2026
21AQI (US)
1st July 2026
17AQI (US)
2nd July 2026
16AQI (US)
3rd July 2026
27AQI (US)
4th July 2026
28AQI (US)
5th July 2026
15AQI (US)
6th July 2026
14AQI (US)
7th July 2026
23AQI (US)
8th July 2026
29AQI (US)
9th July 2026
36AQI (US)
10th July 2026
47AQI (US)
11th July 2026
44AQI (US)
12th July 2026
40AQI (US)
13th July 2026
33AQI (US)
14th July 2026
46AQI (US)
15th July 2026
46AQI (US)
16th July 2026
44AQI (US)
17th July 2026
61AQI (US)
18th July 2026
45AQI (US)
19th July 2026
27AQI (US)
20th July 2026
24AQI (US)
21st July 2026
27AQI (US)
22nd July 2026
26AQI (US)
23rd July 2026
26AQI (US)
24th July 2026
41AQI (US)
25th July 2026
41AQI (US)
26th July 2026
26AQI (US)
27th July 2026
26AQI (US)
28th July 2026
26AQI (US)
29th July 2026
26AQI (US)
30th July 2026
28AQI (US)
31st July 2026
26AQI (US)
1st August 2026
33AQI (US)
2nd August 2026
32AQI (US)
3rd August 2026
29AQI (US)
4th August 2026
39AQI (US)
5th August 2026
28AQI (US)
6th August 2026
26AQI (US)
7th August 2026
28AQI (US)
8th August 2026
26AQI (US)
9th August 2026
33AQI (US)
10th August 2026
26AQI (US)
11th August 2026
27AQI (US)
12th August 2026
26AQI (US)
13th August 2026
27AQI (US)
14th August 2026
41AQI (US)
15th August 2026
37AQI (US)
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

35AQI (US)

37AQI (US)

54AQI (US)

33AQI (US)

41AQI (US)

27AQI (US)

32AQI (US)

31AQI (US)

No. of days

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

202636AQI (US)

25
6
27
1
18
10
3
28
25
5
27
3
30
1
15
195
26
3

Highest AQI (US) recorded in

March

54AQI (US)

Lowest AQI (US) recorded in

June

27AQI (US)

202537AQI (US)

17
14
13
15
6
24
1
24
6
29
2
30
31
28
3
30
25
6
29
1
27
4
289
75
1

Highest AQI (US) recorded in

March

65AQI (US)

Lowest AQI (US) recorded in

September

23AQI (US)

202423AQI (US)

29
2
29
26
5
30
25
6
30
31
30
1
3
12
1
18
11
1
29
2
292
28
1

Highest AQI (US) recorded in

November

47AQI (US)

Lowest AQI (US) recorded in

April

10AQI (US)

202323AQI (US)

26
5
19
6
3
29
2
20
10
28
3
26
4
31
30
1
22
7
1
31
28
1
31
321
39
4

Highest AQI (US) recorded in

February

40AQI (US)

Lowest AQI (US) recorded in

July

12AQI (US)

202231AQI (US)

2
26
4
18
11
1
46
15
1

Highest AQI (US) recorded in

December

43AQI (US)

Lowest AQI (US) recorded in

October

14AQI (US)

Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded
2025(Avg.)
37AQI (US)
Least Polluted Year Recorded
2023(Avg.)
23AQI (US)

Rayleigh's annual 2026 AQI (US) (36) shows an average percentage change of 31.6% (worsened AQI (US)) compared to previous years: 2022 (31), 2023 (23), 2024 (23), 2025 (37).