Horley, Surrey, 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
Horley, Surrey, United Kingdom
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
19th Aug 2024
59AQILowest AQI recorded on
2nd Aug 2025
21AQISame Day Analysis (5th August):
On this day, AQI across the 3 years varied significantly: 2026 ranks 2nd highest AQI at 32 of Good air quality, showing improvement over 2024 on the same day.
Day & Night AQI Trend: 4th Aug - 5th Aug 2026
Horley, Surrey, United Kingdom
AQI
Day
Night
.
5 AM4th Aug 2026
9 PM
4 AM5th Aug 2026
Day time
Avg. Highest Time
7PM4th Aug
51AQI
Avg. Lowest Time
1PM4th Aug
25AQI
Night time
Avg. Highest Time
3AM5th Aug
29AQI
Avg. Lowest Time
12AM5th Aug
21AQI
In the last 24 hours,
Horley's AQI reached its highest point of 51 at 7 PM during the Day, while the lowest point, 21, was recorded at 12 AM during the Night between 4th Aug and 5th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Horley, Surrey, United Kingdom
JulAug
07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th
Day
Night
7th Jul 202685 AMAQI
7th Jul 2026106 AMAQI
7th Jul 202687 AMAQI
7th Jul 202688 AMAQI
7th Jul 202689 AMAQI
7th Jul 20261610 AMAQI
7th Jul 20262111 AMAQI
7th Jul 20262112 PMAQI
7th Jul 2026211 PMAQI
7th Jul 2026212 PMAQI
7th Jul 2026243 PMAQI
7th Jul 2026274 PMAQI
7th Jul 2026305 PMAQI
7th Jul 2026266 PMAQI
7th Jul 2026277 PMAQI
7th Jul 2026278 PMAQI
7th Jul 2026289 PMAQI
7th Jul 20262810 PMAQI
7th Jul 20263111 PMAQI
8th Jul 20263012 AMAQI
8th Jul 2026241 AMAQI
8th Jul 2026262 AMAQI
8th Jul 2026253 AMAQI
8th Jul 2026244 AMAQI
24°C16/32°C
8th Jul 2026245 AMAQI
8th Jul 2026246 AMAQI
8th Jul 2026277 AMAQI
8th Jul 2026248 AMAQI
8th Jul 2026229 AMAQI
8th Jul 20262010 AMAQI
8th Jul 20262011 AMAQI
8th Jul 20262012 PMAQI
8th Jul 2026211 PMAQI
8th Jul 2026242 PMAQI
8th Jul 2026243 PMAQI
8th Jul 2026284 PMAQI
8th Jul 2026295 PMAQI
8th Jul 2026306 PMAQI
8th Jul 2026287 PMAQI
8th Jul 2026288 PMAQI
8th Jul 2026289 PMAQI
8th Jul 20266610 PMAQI
8th Jul 20265111 PMAQI
9th Jul 20264612 AMAQI
9th Jul 2026641 AMAQI
9th Jul 2026662 AMAQI
9th Jul 2026733 AMAQI
9th Jul 2026444 AMAQI
25°C17/32°C
9th Jul 2026405 AMAQI
9th Jul 2026406 AMAQI
9th Jul 2026367 AMAQI
9th Jul 2026318 AMAQI
9th Jul 2026349 AMAQI
9th Jul 20263810 AMAQI
9th Jul 20264611 AMAQI
9th Jul 20265112 PMAQI
9th Jul 2026421 PMAQI
9th Jul 2026462 PMAQI
9th Jul 2026533 PMAQI
9th Jul 2026524 PMAQI
9th Jul 2026535 PMAQI
9th Jul 2026546 PMAQI
9th Jul 2026607 PMAQI
9th Jul 2026548 PMAQI
9th Jul 2026529 PMAQI
9th Jul 20265710 PMAQI
9th Jul 20265611 PMAQI
10th Jul 20265312 AMAQI
10th Jul 2026601 AMAQI
10th Jul 2026362 AMAQI
10th Jul 2026363 AMAQI
10th Jul 2026384 AMAQI
25°C17/33°C
10th Jul 2026425 AMAQI
10th Jul 2026406 AMAQI
10th Jul 2026297 AMAQI
10th Jul 2026278 AMAQI
10th Jul 2026289 AMAQI
10th Jul 20262810 AMAQI
10th Jul 20264011 AMAQI
10th Jul 20265312 PMAQI
10th Jul 2026521 PMAQI
10th Jul 2026482 PMAQI
10th Jul 2026463 PMAQI
10th Jul 2026344 PMAQI
10th Jul 2026365 PMAQI
10th Jul 2026406 PMAQI
10th Jul 2026427 PMAQI
10th Jul 2026588 PMAQI
10th Jul 2026569 PMAQI
10th Jul 20265310 PMAQI
10th Jul 20266011 PMAQI
11th Jul 20264412 AMAQI
11th Jul 2026321 AMAQI
11th Jul 2026342 AMAQI
11th Jul 2026303 AMAQI
11th Jul 2026284 AMAQI
25°C18/32°C
11th Jul 2026225 AMAQI
11th Jul 2026256 AMAQI
11th Jul 2026247 AMAQI
11th Jul 2026288 AMAQI
11th Jul 2026329 AMAQI
11th Jul 20263310 AMAQI
11th Jul 20263011 AMAQI
11th Jul 20263012 PMAQI
11th Jul 2026301 PMAQI
11th Jul 2026302 PMAQI
11th Jul 2026303 PMAQI
11th Jul 2026314 PMAQI
11th Jul 2026305 PMAQI
11th Jul 2026286 PMAQI
11th Jul 2026297 PMAQI
11th Jul 2026308 PMAQI
11th Jul 2026329 PMAQI
11th Jul 20263010 PMAQI
11th Jul 20264811 PMAQI
12th Jul 20265012 AMAQI
12th Jul 2026361 AMAQI
12th Jul 2026182 AMAQI
12th Jul 2026183 AMAQI
12th Jul 2026184 AMAQI
22°C16/30°C
12th Jul 2026185 AMAQI
12th Jul 2026186 AMAQI
12th Jul 2026207 AMAQI
12th Jul 2026168 AMAQI
12th Jul 2026209 AMAQI
12th Jul 20262810 AMAQI
12th Jul 20262411 AMAQI
12th Jul 20261812 PMAQI
12th Jul 2026181 PMAQI
12th Jul 2026272 PMAQI
12th Jul 2026313 PMAQI
12th Jul 2026364 PMAQI
12th Jul 2026385 PMAQI
12th Jul 2026446 PMAQI
12th Jul 2026517 PMAQI
12th Jul 2026538 PMAQI
12th Jul 2026389 PMAQI
12th Jul 20264010 PMAQI
12th Jul 20265011 PMAQI
13th Jul 20263612 AMAQI
13th Jul 2026311 AMAQI
13th Jul 2026292 AMAQI
13th Jul 2026273 AMAQI
13th Jul 2026444 AMAQI
22°C16/28°C
13th Jul 2026445 AMAQI
13th Jul 2026406 AMAQI
13th Jul 2026297 AMAQI
13th Jul 2026288 AMAQI
13th Jul 2026409 AMAQI
13th Jul 20264610 AMAQI
13th Jul 20262811 AMAQI
13th Jul 20263212 PMAQI
13th Jul 2026341 PMAQI
13th Jul 2026302 PMAQI
13th Jul 2026323 PMAQI
13th Jul 2026334 PMAQI
13th Jul 2026325 PMAQI
13th Jul 2026366 PMAQI
13th Jul 2026327 PMAQI
13th Jul 2026288 PMAQI
13th Jul 2026309 PMAQI
13th Jul 20263010 PMAQI
13th Jul 20263011 PMAQI
14th Jul 20263012 AMAQI
14th Jul 2026291 AMAQI
14th Jul 2026332 AMAQI
14th Jul 2026293 AMAQI
14th Jul 2026234 AMAQI
20°C14/26°C
14th Jul 2026225 AMAQI
14th Jul 2026196 AMAQI
14th Jul 2026227 AMAQI
14th Jul 2026248 AMAQI
14th Jul 2026289 AMAQI
14th Jul 20262710 AMAQI
14th Jul 20263411 AMAQI
14th Jul 20263312 PMAQI
14th Jul 2026301 PMAQI
14th Jul 2026302 PMAQI
14th Jul 2026323 PMAQI
14th Jul 2026344 PMAQI
14th Jul 2026325 PMAQI
14th Jul 2026336 PMAQI
14th Jul 2026317 PMAQI
14th Jul 2026268 PMAQI
14th Jul 2026309 PMAQI
14th Jul 20262410 PMAQI
14th Jul 20263011 PMAQI
15th Jul 20263012 AMAQI
15th Jul 2026281 AMAQI
15th Jul 2026302 AMAQI
15th Jul 2026263 AMAQI
15th Jul 2026224 AMAQI
22°C14/29°C
15th Jul 2026245 AMAQI
15th Jul 2026226 AMAQI
15th Jul 2026197 AMAQI
15th Jul 2026228 AMAQI
15th Jul 2026249 AMAQI
15th Jul 20262510 AMAQI
15th Jul 20261911 AMAQI
15th Jul 20262312 PMAQI
15th Jul 2026221 PMAQI
15th Jul 2026242 PMAQI
15th Jul 2026223 PMAQI
15th Jul 2026224 PMAQI
15th Jul 2026185 PMAQI
15th Jul 2026166 PMAQI
15th Jul 2026167 PMAQI
15th Jul 2026198 PMAQI
15th Jul 2026349 PMAQI
15th Jul 20262410 PMAQI
15th Jul 20262611 PMAQI
16th Jul 20262612 AMAQI
16th Jul 2026271 AMAQI
16th Jul 2026262 AMAQI
16th Jul 2026223 AMAQI
16th Jul 2026204 AMAQI
22°C17/28°C
16th Jul 2026265 AMAQI
16th Jul 2026226 AMAQI
16th Jul 2026227 AMAQI
16th Jul 2026208 AMAQI
16th Jul 2026339 AMAQI
16th Jul 20264610 AMAQI
16th Jul 20265011 AMAQI
16th Jul 20262412 PMAQI
16th Jul 2026281 PMAQI
16th Jul 2026362 PMAQI
16th Jul 2026463 PMAQI
16th Jul 2026484 PMAQI
16th Jul 2026405 PMAQI
16th Jul 2026326 PMAQI
16th Jul 2026297 PMAQI
16th Jul 2026258 PMAQI
16th Jul 2026299 PMAQI
16th Jul 20264610 PMAQI
16th Jul 20264011 PMAQI
17th Jul 20264612 AMAQI
17th Jul 2026441 AMAQI
17th Jul 2026502 AMAQI
17th Jul 2026473 AMAQI
17th Jul 2026404 AMAQI
22°C14/29°C
17th Jul 2026385 AMAQI
17th Jul 2026426 AMAQI
17th Jul 2026537 AMAQI
17th Jul 2026538 AMAQI
17th Jul 2026559 AMAQI
17th Jul 20264910 AMAQI
17th Jul 20264811 AMAQI
17th Jul 20264612 PMAQI
17th Jul 2026461 PMAQI
17th Jul 2026482 PMAQI
17th Jul 2026563 PMAQI
17th Jul 2026554 PMAQI
17th Jul 2026545 PMAQI
17th Jul 2026486 PMAQI
17th Jul 2026507 PMAQI
17th Jul 2026588 PMAQI
17th Jul 2026589 PMAQI
17th Jul 20266210 PMAQI
17th Jul 20266011 PMAQI
18th Jul 20266212 AMAQI
18th Jul 2026701 AMAQI
18th Jul 2026672 AMAQI
18th Jul 2026523 AMAQI
18th Jul 2026534 AMAQI
21°C14/29°C
18th Jul 2026505 AMAQI
18th Jul 2026526 AMAQI
18th Jul 2026547 AMAQI
18th Jul 2026608 AMAQI
18th Jul 2026599 AMAQI
18th Jul 20266210 AMAQI
18th Jul 20266711 AMAQI
18th Jul 20265712 PMAQI
18th Jul 2026541 PMAQI
18th Jul 2026542 PMAQI
18th Jul 2026443 PMAQI
18th Jul 2026364 PMAQI
18th Jul 2026465 PMAQI
18th Jul 2026486 PMAQI
18th Jul 2026537 PMAQI
18th Jul 2026548 PMAQI
18th Jul 2026559 PMAQI
18th Jul 20266010 PMAQI
18th Jul 20266411 PMAQI
19th Jul 20265612 AMAQI
19th Jul 2026421 AMAQI
19th Jul 2026312 AMAQI
19th Jul 2026253 AMAQI
19th Jul 2026274 AMAQI
19°C14/26°C
19th Jul 2026255 AMAQI
19th Jul 2026256 AMAQI
19th Jul 2026337 AMAQI
19th Jul 2026408 AMAQI
19th Jul 2026219 AMAQI
19th Jul 20262110 AMAQI
19th Jul 20262311 AMAQI
19th Jul 20262312 PMAQI
19th Jul 2026251 PMAQI
19th Jul 2026232 PMAQI
19th Jul 2026253 PMAQI
19th Jul 2026254 PMAQI
19th Jul 2026275 PMAQI
19th Jul 2026216 PMAQI
19th Jul 2026217 PMAQI
19th Jul 2026278 PMAQI
19th Jul 2026299 PMAQI
19th Jul 20263310 PMAQI
19th Jul 20262711 PMAQI
20th Jul 20262312 AMAQI
20th Jul 2026211 AMAQI
20th Jul 2026212 AMAQI
20th Jul 2026233 AMAQI
20th Jul 2026234 AMAQI
17°C10/24°C
20th Jul 2026255 AMAQI
20th Jul 2026276 AMAQI
20th Jul 2026257 AMAQI
20th Jul 2026478 AMAQI
20th Jul 2026539 AMAQI
20th Jul 20264610 AMAQI
20th Jul 20264211 AMAQI
20th Jul 20263412 PMAQI
20th Jul 2026271 PMAQI
20th Jul 2026232 PMAQI
20th Jul 2026253 PMAQI
20th Jul 2026344 PMAQI
20th Jul 2026405 PMAQI
20th Jul 2026406 PMAQI
20th Jul 2026277 PMAQI
20th Jul 2026278 PMAQI
20th Jul 2026409 PMAQI
20th Jul 20264910 PMAQI
20th Jul 20265411 PMAQI
21st Jul 20265012 AMAQI
21st Jul 2026501 AMAQI
21st Jul 2026502 AMAQI
21st Jul 2026503 AMAQI
17°C9/25°C
21st Jul 2026315 AMAQI
21st Jul 2026336 AMAQI
21st Jul 2026277 AMAQI
21st Jul 2026278 AMAQI
21st Jul 2026319 AMAQI
21st Jul 20262510 AMAQI
21st Jul 20263611 AMAQI
21st Jul 20262512 PMAQI
21st Jul 2026291 PMAQI
21st Jul 2026292 PMAQI
21st Jul 2026343 PMAQI
21st Jul 2026344 PMAQI
21st Jul 2026275 PMAQI
21st Jul 2026256 PMAQI
21st Jul 2026387 PMAQI
21st Jul 2026328 PMAQI
21st Jul 2026219 PMAQI
21st Jul 20262110 PMAQI
21st Jul 20263011 PMAQI
22nd Jul 20263212 AMAQI
22nd Jul 2026361 AMAQI
22nd Jul 2026292 AMAQI
22nd Jul 2026313 AMAQI
22nd Jul 2026274 AMAQI
19°C12/26°C
22nd Jul 2026275 AMAQI
22nd Jul 2026296 AMAQI
22nd Jul 2026237 AMAQI
22nd Jul 2026348 AMAQI
22nd Jul 2026499 AMAQI
22nd Jul 20265310 AMAQI
22nd Jul 20265411 AMAQI
22nd Jul 20264012 PMAQI
22nd Jul 2026251 PMAQI
22nd Jul 2026272 PMAQI
22nd Jul 2026293 PMAQI
22nd Jul 2026294 PMAQI
22nd Jul 2026295 PMAQI
22nd Jul 2026336 PMAQI
22nd Jul 2026297 PMAQI
22nd Jul 2026348 PMAQI
22nd Jul 2026239 PMAQI
22nd Jul 20265910 PMAQI
22nd Jul 20263111 PMAQI
23rd Jul 20264212 AMAQI
23rd Jul 2026561 AMAQI
23rd Jul 2026402 AMAQI
23rd Jul 2026273 AMAQI
23rd Jul 2026214 AMAQI
20°C13/25°C
23rd Jul 2026315 AMAQI
23rd Jul 2026276 AMAQI
23rd Jul 2026297 AMAQI
23rd Jul 2026318 AMAQI
23rd Jul 2026389 AMAQI
23rd Jul 20263410 AMAQI
23rd Jul 20263811 AMAQI
23rd Jul 20262212 PMAQI
23rd Jul 2026231 PMAQI
23rd Jul 2026312 PMAQI
23rd Jul 2026383 PMAQI
23rd Jul 2026344 PMAQI
23rd Jul 2026255 PMAQI
23rd Jul 2026316 PMAQI
23rd Jul 2026317 PMAQI
23rd Jul 2026368 PMAQI
23rd Jul 2026469 PMAQI
23rd Jul 20264910 PMAQI
23rd Jul 20265011 PMAQI
24th Jul 20264512 AMAQI
24th Jul 2026361 AMAQI
24th Jul 2026482 AMAQI
24th Jul 2026493 AMAQI
24th Jul 2026444 AMAQI
19°C14/25°C
24th Jul 2026405 AMAQI
24th Jul 2026466 AMAQI
24th Jul 2026387 AMAQI
24th Jul 2026278 AMAQI
24th Jul 2026319 AMAQI
24th Jul 20264010 AMAQI
24th Jul 20263811 AMAQI
24th Jul 20262812 PMAQI
24th Jul 2026301 PMAQI
24th Jul 2026422 PMAQI
24th Jul 2026343 PMAQI
24th Jul 2026254 PMAQI
24th Jul 2026335 PMAQI
24th Jul 2026336 PMAQI
24th Jul 2026427 PMAQI
24th Jul 2026408 PMAQI
24th Jul 2026319 PMAQI
24th Jul 20264210 PMAQI
24th Jul 20264611 PMAQI
25th Jul 20264412 AMAQI
25th Jul 2026401 AMAQI
25th Jul 2026492 AMAQI
25th Jul 2026483 AMAQI
25th Jul 2026384 AMAQI
21°C15/27°C
25th Jul 2026275 AMAQI
25th Jul 2026276 AMAQI
25th Jul 2026367 AMAQI
25th Jul 2026518 AMAQI
25th Jul 2026369 AMAQI
25th Jul 20262910 AMAQI
25th Jul 20263111 AMAQI
25th Jul 20263212 PMAQI
25th Jul 2026381 PMAQI
25th Jul 2026462 PMAQI
25th Jul 2026333 PMAQI
25th Jul 2026274 PMAQI
25th Jul 2026255 PMAQI
25th Jul 2026366 PMAQI
25th Jul 2026407 PMAQI
25th Jul 2026348 PMAQI
25th Jul 2026409 PMAQI
25th Jul 20264510 PMAQI
25th Jul 20263811 PMAQI
26th Jul 20263012 AMAQI
26th Jul 2026291 AMAQI
26th Jul 2026362 AMAQI
26th Jul 2026533 AMAQI
26th Jul 2026564 AMAQI
22°C15/29°C
26th Jul 2026495 AMAQI
26th Jul 2026426 AMAQI
26th Jul 2026367 AMAQI
26th Jul 2026388 AMAQI
26th Jul 2026599 AMAQI
26th Jul 20265710 AMAQI
26th Jul 20265311 AMAQI
26th Jul 20265212 PMAQI
26th Jul 2026381 PMAQI
26th Jul 2026232 PMAQI
26th Jul 2026253 PMAQI
26th Jul 2026234 PMAQI
26th Jul 2026365 PMAQI
26th Jul 2026386 PMAQI
26th Jul 2026327 PMAQI
26th Jul 2026308 PMAQI
26th Jul 2026279 PMAQI
26th Jul 20262910 PMAQI
26th Jul 20262711 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026231 AMAQI
27th Jul 2026232 AMAQI
27th Jul 2026253 AMAQI
27th Jul 2026254 AMAQI
20°C13/27°C
27th Jul 2026255 AMAQI
27th Jul 2026236 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026388 AMAQI
27th Jul 2026409 AMAQI
27th Jul 20263610 AMAQI
27th Jul 20265011 AMAQI
27th Jul 20263412 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026232 PMAQI
27th Jul 2026233 PMAQI
27th Jul 2026404 PMAQI
27th Jul 2026365 PMAQI
27th Jul 2026566 PMAQI
27th Jul 2026557 PMAQI
27th Jul 2026448 PMAQI
27th Jul 2026259 PMAQI
27th Jul 20262710 PMAQI
27th Jul 20262511 PMAQI
28th Jul 20263812 AMAQI
28th Jul 2026401 AMAQI
28th Jul 2026312 AMAQI
28th Jul 2026273 AMAQI
28th Jul 2026234 AMAQI
19°C11/28°C
28th Jul 2026295 AMAQI
28th Jul 2026316 AMAQI
28th Jul 2026317 AMAQI
28th Jul 2026428 AMAQI
28th Jul 2026549 AMAQI
28th Jul 20264410 AMAQI
28th Jul 20265111 AMAQI
28th Jul 20264212 PMAQI
28th Jul 2026311 PMAQI
28th Jul 2026312 PMAQI
28th Jul 2026343 PMAQI
28th Jul 2026344 PMAQI
28th Jul 2026405 PMAQI
28th Jul 2026256 PMAQI
28th Jul 2026237 PMAQI
28th Jul 2026428 PMAQI
28th Jul 2026389 PMAQI
28th Jul 20263610 PMAQI
28th Jul 20263211 PMAQI
29th Jul 20263412 AMAQI
29th Jul 2026321 AMAQI
29th Jul 2026272 AMAQI
29th Jul 2026293 AMAQI
29th Jul 2026274 AMAQI
22°C16/28°C
29th Jul 2026255 AMAQI
29th Jul 2026256 AMAQI
29th Jul 2026297 AMAQI
29th Jul 2026258 AMAQI
29th Jul 2026219 AMAQI
29th Jul 20262310 AMAQI
29th Jul 20263611 AMAQI
29th Jul 20264212 PMAQI
29th Jul 2026541 PMAQI
29th Jul 2026302 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026294 PMAQI
29th Jul 2026255 PMAQI
29th Jul 2026316 PMAQI
29th Jul 2026237 PMAQI
29th Jul 2026278 PMAQI
29th Jul 2026319 PMAQI
29th Jul 20263010 PMAQI
29th Jul 20263611 PMAQI
30th Jul 20263112 AMAQI
30th Jul 2026291 AMAQI
30th Jul 2026272 AMAQI
30th Jul 2026293 AMAQI
30th Jul 2026294 AMAQI
24°C16/32°C
30th Jul 2026255 AMAQI
30th Jul 2026256 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026278 AMAQI
30th Jul 2026329 AMAQI
30th Jul 20262310 AMAQI
30th Jul 20263111 AMAQI
30th Jul 20262912 PMAQI
30th Jul 2026291 PMAQI
30th Jul 2026312 PMAQI
30th Jul 2026463 PMAQI
30th Jul 2026444 PMAQI
30th Jul 2026385 PMAQI
30th Jul 2026336 PMAQI
30th Jul 2026307 PMAQI
30th Jul 2026278 PMAQI
30th Jul 2026309 PMAQI
30th Jul 20263410 PMAQI
30th Jul 20262911 PMAQI
31st Jul 20262712 AMAQI
31st Jul 2026321 AMAQI
31st Jul 2026342 AMAQI
31st Jul 2026233 AMAQI
31st Jul 2026234 AMAQI
21°C14/26°C
31st Jul 2026235 AMAQI
31st Jul 2026326 AMAQI
31st Jul 2026277 AMAQI
31st Jul 2026258 AMAQI
31st Jul 2026429 AMAQI
31st Jul 20265110 AMAQI
31st Jul 20263611 AMAQI
31st Jul 20262312 PMAQI
31st Jul 2026251 PMAQI
31st Jul 2026252 PMAQI
31st Jul 2026213 PMAQI
31st Jul 2026234 PMAQI
31st Jul 2026275 PMAQI
31st Jul 2026276 PMAQI
31st Jul 2026297 PMAQI
31st Jul 2026258 PMAQI
31st Jul 2026339 PMAQI
31st Jul 20264010 PMAQI
31st Jul 20264011 PMAQI
1st Aug 20263212 AMAQI
1st Aug 2026341 AMAQI
1st Aug 2026402 AMAQI
1st Aug 2026273 AMAQI
1st Aug 2026324 AMAQI
20°C15/26°C
1st Aug 2026275 AMAQI
1st Aug 2026256 AMAQI
1st Aug 2026257 AMAQI
1st Aug 2026278 AMAQI
1st Aug 2026369 AMAQI
1st Aug 20263010 AMAQI
1st Aug 20263211 AMAQI
1st Aug 20264212 PMAQI
1st Aug 2026251 PMAQI
1st Aug 2026322 PMAQI
1st Aug 2026463 PMAQI
1st Aug 2026384 PMAQI
1st Aug 2026385 PMAQI
1st Aug 2026446 PMAQI
1st Aug 2026527 PMAQI
1st Aug 2026368 PMAQI
1st Aug 2026319 PMAQI
1st Aug 20262910 PMAQI
1st Aug 20263411 PMAQI
2nd Aug 20262512 AMAQI
2nd Aug 2026291 AMAQI
2nd Aug 2026332 AMAQI
2nd Aug 2026313 AMAQI
2nd Aug 2026294 AMAQI
20°C13/26°C
2nd Aug 2026275 AMAQI
2nd Aug 2026276 AMAQI
2nd Aug 2026277 AMAQI
2nd Aug 2026388 AMAQI
2nd Aug 2026409 AMAQI
2nd Aug 20265010 AMAQI
2nd Aug 20264011 AMAQI
2nd Aug 20263812 PMAQI
2nd Aug 2026311 PMAQI
2nd Aug 2026332 PMAQI
2nd Aug 2026383 PMAQI
2nd Aug 2026254 PMAQI
2nd Aug 2026235 PMAQI
2nd Aug 2026256 PMAQI
2nd Aug 2026277 PMAQI
2nd Aug 2026318 PMAQI
2nd Aug 2026279 PMAQI
2nd Aug 20263410 PMAQI
2nd Aug 20263811 PMAQI
3rd Aug 20263012 AMAQI
3rd Aug 2026301 AMAQI
3rd Aug 2026302 AMAQI
3rd Aug 2026343 AMAQI
3rd Aug 2026254 AMAQI
21°C13/29°C
3rd Aug 2026275 AMAQI
3rd Aug 2026316 AMAQI
3rd Aug 2026337 AMAQI
3rd Aug 2026338 AMAQI
3rd Aug 2026339 AMAQI
3rd Aug 20263310 AMAQI
3rd Aug 20264711 AMAQI
3rd Aug 20262912 PMAQI
3rd Aug 2026381 PMAQI
3rd Aug 2026492 PMAQI
3rd Aug 2026483 PMAQI
3rd Aug 2026404 PMAQI
3rd Aug 2026405 PMAQI
3rd Aug 2026536 PMAQI
3rd Aug 2026427 PMAQI
3rd Aug 2026328 PMAQI
3rd Aug 2026239 PMAQI
3rd Aug 20263610 PMAQI
3rd Aug 20262911 PMAQI
4th Aug 20262112 AMAQI
4th Aug 2026381 AMAQI
4th Aug 2026332 AMAQI
4th Aug 2026423 AMAQI
4th Aug 2026464 AMAQI
24°C15/33°C
4th Aug 2026505 AMAQI
4th Aug 2026466 AMAQI
4th Aug 2026497 AMAQI
4th Aug 2026428 AMAQI
4th Aug 2026339 AMAQI
4th Aug 20264910 AMAQI
4th Aug 20263111 AMAQI
4th Aug 20263412 PMAQI
4th Aug 2026251 PMAQI
4th Aug 2026442 PMAQI
4th Aug 2026483 PMAQI
4th Aug 2026384 PMAQI
4th Aug 2026295 PMAQI
4th Aug 2026426 PMAQI
4th Aug 2026517 PMAQI
4th Aug 2026368 PMAQI
4th Aug 2026259 PMAQI
4th Aug 20262510 PMAQI
4th Aug 20262311 PMAQI
5th Aug 20262112 AMAQI
5th Aug 2026251 AMAQI
5th Aug 2026252 AMAQI
5th Aug 2026293 AMAQI
5th Aug 2026294 AMAQI
22°C17/28°C
5th Aug 2026365 AMAQI
5 AM5th Aug 2026386 AMAQI
5th Aug 2026367 AMAQI
5th Aug 2026338 AMAQI
5th Aug 2026329 AMAQI
5th Aug 20263110 AMAQI
5th Aug 20264011 AMAQI
5th Aug 20263112 PMAQI
5th Aug 2026401 PMAQI
1 PM5th Aug 2026462 PMAQI
5th Aug 2026503 PMAQI
5th Aug 2026494 PMAQI
5th Aug 2026385 PMAQI
5th Aug 2026216 PMAQI
5th Aug 2026317 PMAQI
5th Aug 2026238 PMAQI
5th Aug 2026219 PMAQI
9 PM5th Aug 20262110 PMAQI
5th Aug 20262111 PMAQI
1 AM
4 AM
20°C14/26°C
Day time
Avg. Highest Time
11 AM
38AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
5 AM - 7 AM
30AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 11 AM (Avg. 38), while the lowest AQI was between 5 AM to 7 AM (Avg. 30).
Night time
Avg. Highest Time
10 PM - 11 PM
39AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
4 AM
31AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 11 PM (Avg. 39), while the lowest AQI was between 4 AM to 4 AM (Avg. 31).
2026 Days Vs Air Quality
Horley, Surrey, United Kingdom
2026
88%
189
12%
25
Total number of days with different AQI categories in last 218 days in 2026 (147 days remaining)
Good
189 DaysModerate
25 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2026, 88% of 218 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
Horley, Surrey, 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
39AQI (US)
39AQI (US)
2nd January 2026
24AQI (US)
24AQI (US)
3rd January 2026
29AQI (US)
29AQI (US)
4th January 2026
36AQI (US)
36AQI (US)
5th January 2026
42AQI (US)
42AQI (US)
6th January 2026
46AQI (US)
46AQI (US)
7th January 2026
21AQI (US)
21AQI (US)
8th January 2026
47AQI (US)
47AQI (US)
9th January 2026
23AQI (US)
23AQI (US)
10th January 2026
28AQI (US)
28AQI (US)
11th January 2026
48AQI (US)
48AQI (US)
12th January 2026
28AQI (US)
28AQI (US)
13th January 2026
20AQI (US)
20AQI (US)
14th January 2026
25AQI (US)
25AQI (US)
15th January 2026
22AQI (US)
22AQI (US)
16th January 2026
26AQI (US)
26AQI (US)
17th January 2026
37AQI (US)
37AQI (US)
18th January 2026
64AQI (US)
64AQI (US)
19th January 2026
61AQI (US)
61AQI (US)
20th January 2026
26AQI (US)
26AQI (US)
21st January 2026
17AQI (US)
17AQI (US)
22nd January 2026
38AQI (US)
38AQI (US)
23rd January 2026
48AQI (US)
48AQI (US)
24th January 2026
51AQI (US)
51AQI (US)
25th January 2026
52AQI (US)
52AQI (US)
26th January 2026
70AQI (US)
70AQI (US)
27th January 2026
44AQI (US)
44AQI (US)
28th January 2026
40AQI (US)
40AQI (US)
29th January 2026
53AQI (US)
53AQI (US)
30th January 2026
52AQI (US)
52AQI (US)
31st January 2026
38AQI (US)
38AQI (US)
1st February 2026
44AQI (US)
44AQI (US)
2nd February 2026
52AQI (US)
52AQI (US)
3rd February 2026
68AQI (US)
68AQI (US)
4th February 2026
57AQI (US)
57AQI (US)
5th February 2026
59AQI (US)
59AQI (US)
6th February 2026
50AQI (US)
50AQI (US)
7th February 2026
38AQI (US)
38AQI (US)
8th February 2026
44AQI (US)
44AQI (US)
9th February 2026
48AQI (US)
48AQI (US)
10th February 2026
44AQI (US)
44AQI (US)
11th February 2026
42AQI (US)
42AQI (US)
12th February 2026
36AQI (US)
36AQI (US)
13th February 2026
44AQI (US)
44AQI (US)
14th February 2026
39AQI (US)
39AQI (US)
15th February 2026
35AQI (US)
35AQI (US)
16th February 2026
37AQI (US)
37AQI (US)
17th February 2026
39AQI (US)
39AQI (US)
18th February 2026
43AQI (US)
43AQI (US)
19th February 2026
44AQI (US)
44AQI (US)
20th February 2026
42AQI (US)
42AQI (US)
21st February 2026
34AQI (US)
34AQI (US)
22nd February 2026
34AQI (US)
34AQI (US)
23rd February 2026
34AQI (US)
34AQI (US)
24th February 2026
34AQI (US)
34AQI (US)
25th February 2026
38AQI (US)
38AQI (US)
26th February 2026
33AQI (US)
33AQI (US)
27th February 2026
32AQI (US)
32AQI (US)
28th February 2026
27AQI (US)
27AQI (US)
1st March 2026
35AQI (US)
35AQI (US)
2nd March 2026
43AQI (US)
43AQI (US)
3rd March 2026
47AQI (US)
47AQI (US)
4th March 2026
56AQI (US)
56AQI (US)
5th March 2026
50AQI (US)
50AQI (US)
6th March 2026
52AQI (US)
52AQI (US)
7th March 2026
41AQI (US)
41AQI (US)
8th March 2026
58AQI (US)
58AQI (US)
9th March 2026
72AQI (US)
72AQI (US)
10th March 2026
37AQI (US)
37AQI (US)
11th March 2026
39AQI (US)
39AQI (US)
12th March 2026
41AQI (US)
41AQI (US)
13th March 2026
32AQI (US)
32AQI (US)
14th March 2026
32AQI (US)
32AQI (US)
15th March 2026
30AQI (US)
30AQI (US)
16th March 2026
30AQI (US)
30AQI (US)
17th March 2026
32AQI (US)
32AQI (US)
18th March 2026
29AQI (US)
29AQI (US)
19th March 2026
36AQI (US)
36AQI (US)
20th March 2026
52AQI (US)
52AQI (US)
21st March 2026
23AQI (US)
23AQI (US)
22nd March 2026
37AQI (US)
37AQI (US)
23rd March 2026
58AQI (US)
58AQI (US)
24th March 2026
40AQI (US)
40AQI (US)
25th March 2026
28AQI (US)
28AQI (US)
26th March 2026
23AQI (US)
23AQI (US)
27th March 2026
24AQI (US)
24AQI (US)
28th March 2026
29AQI (US)
29AQI (US)
29th March 2026
27AQI (US)
27AQI (US)
30th March 2026
22AQI (US)
22AQI (US)
31st March 2026
28AQI (US)
28AQI (US)
1st April 2026
28AQI (US)
28AQI (US)
2nd April 2026
26AQI (US)
26AQI (US)
3rd April 2026
28AQI (US)
28AQI (US)
4th April 2026
26AQI (US)
26AQI (US)
5th April 2026
25AQI (US)
25AQI (US)
6th April 2026
23AQI (US)
23AQI (US)
7th April 2026
36AQI (US)
36AQI (US)
8th April 2026
59AQI (US)
59AQI (US)
9th April 2026
32AQI (US)
32AQI (US)
10th April 2026
26AQI (US)
26AQI (US)
11th April 2026
31AQI (US)
31AQI (US)
12th April 2026
31AQI (US)
31AQI (US)
13th April 2026
27AQI (US)
27AQI (US)
14th April 2026
27AQI (US)
27AQI (US)
15th April 2026
29AQI (US)
29AQI (US)
16th April 2026
32AQI (US)
32AQI (US)
17th April 2026
18th April 2026
26AQI (US)
26AQI (US)
19th April 2026
26AQI (US)
26AQI (US)
20th April 2026
25AQI (US)
25AQI (US)
21st April 2026
24AQI (US)
24AQI (US)
22nd April 2026
23rd April 2026
23AQI (US)
23AQI (US)
24th April 2026
21AQI (US)
21AQI (US)
25th April 2026
37AQI (US)
37AQI (US)
26th April 2026
41AQI (US)
41AQI (US)
27th April 2026
46AQI (US)
46AQI (US)
28th April 2026
35AQI (US)
35AQI (US)
29th April 2026
35AQI (US)
35AQI (US)
30th April 2026
24AQI (US)
24AQI (US)
1st May 2026
27AQI (US)
27AQI (US)
2nd May 2026
36AQI (US)
36AQI (US)
3rd May 2026
38AQI (US)
38AQI (US)
4th May 2026
53AQI (US)
53AQI (US)
5th May 2026
29AQI (US)
29AQI (US)
6th May 2026
17AQI (US)
17AQI (US)
7th May 2026
26AQI (US)
26AQI (US)
8th May 2026
32AQI (US)
32AQI (US)
9th May 2026
10th May 2026
26AQI (US)
26AQI (US)
11th May 2026
13AQI (US)
13AQI (US)
12th May 2026
22AQI (US)
22AQI (US)
13th May 2026
21AQI (US)
21AQI (US)
14th May 2026
20AQI (US)
20AQI (US)
15th May 2026
30AQI (US)
30AQI (US)
16th May 2026
35AQI (US)
35AQI (US)
17th May 2026
37AQI (US)
37AQI (US)
18th May 2026
33AQI (US)
33AQI (US)
19th May 2026
34AQI (US)
34AQI (US)
20th May 2026
34AQI (US)
34AQI (US)
21st May 2026
37AQI (US)
37AQI (US)
22nd May 2026
30AQI (US)
30AQI (US)
23rd May 2026
44AQI (US)
44AQI (US)
24th May 2026
63AQI (US)
63AQI (US)
25th May 2026
40AQI (US)
40AQI (US)
26th May 2026
43AQI (US)
43AQI (US)
27th May 2026
65AQI (US)
65AQI (US)
28th May 2026
58AQI (US)
58AQI (US)
29th May 2026
37AQI (US)
37AQI (US)
30th May 2026
45AQI (US)
45AQI (US)
31st May 2026
25AQI (US)
25AQI (US)
1st June 2026
33AQI (US)
33AQI (US)
2nd June 2026
27AQI (US)
27AQI (US)
3rd June 2026
26AQI (US)
26AQI (US)
4th June 2026
23AQI (US)
23AQI (US)
5th June 2026
24AQI (US)
24AQI (US)
6th June 2026
24AQI (US)
24AQI (US)
7th June 2026
23AQI (US)
23AQI (US)
8th June 2026
21AQI (US)
21AQI (US)
9th June 2026
16AQI (US)
16AQI (US)
10th June 2026
24AQI (US)
24AQI (US)
11th June 2026
25AQI (US)
25AQI (US)
12th June 2026
14AQI (US)
14AQI (US)
13th June 2026
19AQI (US)
19AQI (US)
14th June 2026
19AQI (US)
19AQI (US)
15th June 2026
22AQI (US)
22AQI (US)
16th June 2026
26AQI (US)
26AQI (US)
17th June 2026
18AQI (US)
18AQI (US)
18th June 2026
16AQI (US)
16AQI (US)
19th June 2026
30AQI (US)
30AQI (US)
20th June 2026
20AQI (US)
20AQI (US)
21st June 2026
15AQI (US)
15AQI (US)
22nd June 2026
34AQI (US)
34AQI (US)
23rd June 2026
40AQI (US)
40AQI (US)
24th June 2026
73AQI (US)
73AQI (US)
25th June 2026
48AQI (US)
48AQI (US)
26th June 2026
52AQI (US)
52AQI (US)
27th June 2026
33AQI (US)
33AQI (US)
28th June 2026
25AQI (US)
25AQI (US)
29th June 2026
22AQI (US)
22AQI (US)
30th June 2026
18AQI (US)
18AQI (US)
1st July 2026
20AQI (US)
20AQI (US)
2nd July 2026
15AQI (US)
15AQI (US)
3rd July 2026
19AQI (US)
19AQI (US)
4th July 2026
16AQI (US)
16AQI (US)
5th July 2026
13AQI (US)
13AQI (US)
6th July 2026
15AQI (US)
15AQI (US)
7th July 2026
19AQI (US)
19AQI (US)
8th July 2026
28AQI (US)
28AQI (US)
9th July 2026
50AQI (US)
50AQI (US)
10th July 2026
43AQI (US)
43AQI (US)
11th July 2026
31AQI (US)
31AQI (US)
12th July 2026
30AQI (US)
30AQI (US)
13th July 2026
33AQI (US)
33AQI (US)
14th July 2026
29AQI (US)
29AQI (US)
15th July 2026
23AQI (US)
23AQI (US)
16th July 2026
32AQI (US)
32AQI (US)
17th July 2026
50AQI (US)
50AQI (US)
18th July 2026
56AQI (US)
56AQI (US)
19th July 2026
28AQI (US)
28AQI (US)
20th July 2026
33AQI (US)
33AQI (US)
21st July 2026
33AQI (US)
33AQI (US)
22nd July 2026
34AQI (US)
34AQI (US)
23rd July 2026
35AQI (US)
35AQI (US)
24th July 2026
38AQI (US)
38AQI (US)
25th July 2026
37AQI (US)
37AQI (US)
26th July 2026
38AQI (US)
38AQI (US)
27th July 2026
32AQI (US)
32AQI (US)
28th July 2026
35AQI (US)
35AQI (US)
29th July 2026
30AQI (US)
30AQI (US)
30th July 2026
31AQI (US)
31AQI (US)
31st July 2026
30AQI (US)
30AQI (US)
1st August 2026
34AQI (US)
34AQI (US)
2nd August 2026
32AQI (US)
32AQI (US)
3rd August 2026
35AQI (US)
35AQI (US)
4th August 2026
38AQI (US)
38AQI (US)
5th August 2026
32AQI (US)
32AQI (US)
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
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
39AQI (US)
42AQI (US)
38AQI (US)
30AQI (US)
35AQI (US)
27AQI (US)
31AQI (US)
34AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202635AQI (US)
24
7
24
4
25
6
27
1
26
4
28
2
30
1
5
189
25
Highest AQI (US) recorded in
February42AQI (US)
Lowest AQI (US) recorded in
June27AQI (US)
202542AQI (US)
16
15
12
16
12
18
1
17
13
28
3
29
1
31
27
4
27
3
19
12
23
7
24
7
265
99
1
Highest AQI (US) recorded in
March60AQI (US)
Lowest AQI (US) recorded in
September28AQI (US)
202434AQI (US)
12
5
1
1
12
30
31
29
2
3
13
19
11
28
3
178
22
Highest AQI (US) recorded in
March57AQI (US)
Lowest AQI (US) recorded in
April21AQI (US)
202334AQI (US)
1
6
20
5
31
4
1
30
1
86
13
Highest AQI (US) recorded in
February71AQI (US)
Lowest AQI (US) recorded in
October26AQI (US)
202231AQI (US)
2
29
1
5
9
36
10
Highest AQI (US) recorded in
December55AQI (US)
Lowest AQI (US) recorded in
October11AQI (US)
Most & Least Polluted Years Over the Last 5 Years
Most Polluted Year Recorded
2025(Avg.)
42AQI (US)Least Polluted Year Recorded
2022(Avg.)
31AQI (US)Horley's annual 2026 AQI (US) (35) shows an average percentage change of 0.5% (worsened AQI (US)) compared to previous years: 2022 (31), 2023 (34), 2024 (34), 2025 (42).
