Harlington, West Drayton, Hillingdon, 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
Harlington, West Drayton, Hillingdon, United Kingdom
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
19th Aug 2024
67AQILowest AQI recorded on
9th Aug 2024
14AQISame Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 29 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Harlington, West Drayton, Hillingdon, United Kingdom
AQI
Day
Night
.
5 AM14th Aug 2026
8 PM
4 AM15th Aug 2026
Day time
Avg. Highest Time
7AM14th Aug
42AQI
Avg. Lowest Time
8PM14th Aug
29AQI
Night time
Avg. Highest Time
12AM15th Aug
40AQI
Avg. Lowest Time
4AM15th Aug
23AQI
In the last 24 hours,
Harlington's AQI reached its highest point of 42 at 7 AM during the Day, while the lowest point, 23, was recorded at 4 AM during the Night between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Harlington, West Drayton, Hillingdon, United Kingdom
JulAug
17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th
Day
Night
17th Jul 2026285 AMAQI
17th Jul 2026266 AMAQI
17th Jul 2026267 AMAQI
17th Jul 2026428 AMAQI
17th Jul 2026489 AMAQI
17th Jul 20264410 AMAQI
17th Jul 20264211 AMAQI
17th Jul 20264212 PMAQI
17th Jul 2026421 PMAQI
17th Jul 2026442 PMAQI
17th Jul 2026483 PMAQI
17th Jul 2026424 PMAQI
17th Jul 2026445 PMAQI
17th Jul 2026386 PMAQI
17th Jul 2026447 PMAQI
17th Jul 2026488 PMAQI
17th Jul 2026489 PMAQI
17th Jul 20265310 PMAQI
17th Jul 20265211 PMAQI
18th Jul 20265412 AMAQI
18th Jul 2026621 AMAQI
18th Jul 2026582 AMAQI
18th Jul 2026503 AMAQI
18th Jul 2026494 AMAQI
23°C16/30°C
18th Jul 2026465 AMAQI
18th Jul 2026446 AMAQI
18th Jul 2026547 AMAQI
18th Jul 2026538 AMAQI
18th Jul 2026579 AMAQI
18th Jul 20265610 AMAQI
18th Jul 20265811 AMAQI
18th Jul 20265312 PMAQI
18th Jul 2026501 PMAQI
18th Jul 2026462 PMAQI
18th Jul 2026383 PMAQI
18th Jul 2026344 PMAQI
18th Jul 2026425 PMAQI
18th Jul 2026506 PMAQI
18th Jul 2026517 PMAQI
18th Jul 2026518 PMAQI
18th Jul 2026489 PMAQI
18th Jul 20264810 PMAQI
18th Jul 20264911 PMAQI
19th Jul 20264812 AMAQI
19th Jul 2026381 AMAQI
19th Jul 2026332 AMAQI
19th Jul 2026273 AMAQI
19th Jul 2026234 AMAQI
20°C15/26°C
19th Jul 2026215 AMAQI
19th Jul 2026216 AMAQI
19th Jul 2026277 AMAQI
19th Jul 2026238 AMAQI
19th Jul 2026259 AMAQI
19th Jul 20262710 AMAQI
19th Jul 20262511 AMAQI
19th Jul 20262512 PMAQI
19th Jul 2026231 PMAQI
19th Jul 2026232 PMAQI
19th Jul 2026233 PMAQI
19th Jul 2026214 PMAQI
19th Jul 2026215 PMAQI
19th Jul 2026216 PMAQI
19th Jul 2026367 PMAQI
19th Jul 2026218 PMAQI
19th Jul 2026219 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20262111 PMAQI
20th Jul 20262112 AMAQI
20th Jul 2026291 AMAQI
20th Jul 2026272 AMAQI
20th Jul 2026253 AMAQI
20th Jul 2026274 AMAQI
18°C11/24°C
20th Jul 2026235 AMAQI
20th Jul 2026276 AMAQI
20th Jul 2026257 AMAQI
20th Jul 2026318 AMAQI
20th Jul 2026409 AMAQI
20th Jul 20263210 AMAQI
20th Jul 20262711 AMAQI
20th Jul 20262512 PMAQI
20th Jul 2026231 PMAQI
20th Jul 2026212 PMAQI
20th Jul 2026213 PMAQI
20th Jul 2026234 PMAQI
20th Jul 2026235 PMAQI
20th Jul 2026276 PMAQI
20th Jul 2026217 PMAQI
20th Jul 2026218 PMAQI
20th Jul 2026279 PMAQI
20th Jul 20263110 PMAQI
20th Jul 20263111 PMAQI
21st Jul 20263312 AMAQI
21st Jul 2026331 AMAQI
21st Jul 2026292 AMAQI
21st Jul 2026293 AMAQI
19°C12/26°C
21st Jul 2026315 AMAQI
21st Jul 2026296 AMAQI
21st Jul 2026257 AMAQI
21st Jul 2026258 AMAQI
21st Jul 2026489 AMAQI
21st Jul 20265810 AMAQI
21st Jul 20264211 AMAQI
21st Jul 20263612 PMAQI
21st Jul 2026311 PMAQI
21st Jul 2026272 PMAQI
21st Jul 2026443 PMAQI
21st Jul 2026484 PMAQI
21st Jul 2026345 PMAQI
21st Jul 2026256 PMAQI
21st Jul 2026277 PMAQI
21st Jul 2026298 PMAQI
21st Jul 2026259 PMAQI
21st Jul 20262110 PMAQI
21st Jul 20263011 PMAQI
22nd Jul 20263412 AMAQI
22nd Jul 2026481 AMAQI
22nd Jul 2026422 AMAQI
22nd Jul 2026363 AMAQI
22nd Jul 2026234 AMAQI
20°C14/27°C
22nd Jul 2026275 AMAQI
22nd Jul 2026296 AMAQI
22nd Jul 2026297 AMAQI
22nd Jul 2026408 AMAQI
22nd Jul 2026539 AMAQI
22nd Jul 20265710 AMAQI
22nd Jul 20265511 AMAQI
22nd Jul 20264012 PMAQI
22nd Jul 2026541 PMAQI
22nd Jul 2026212 PMAQI
22nd Jul 2026253 PMAQI
22nd Jul 2026294 PMAQI
22nd Jul 2026295 PMAQI
22nd Jul 2026336 PMAQI
22nd Jul 2026337 PMAQI
22nd Jul 2026318 PMAQI
22nd Jul 2026299 PMAQI
22nd Jul 20265210 PMAQI
22nd Jul 20262711 PMAQI
23rd Jul 20263212 AMAQI
23rd Jul 2026441 AMAQI
23rd Jul 2026342 AMAQI
23rd Jul 2026273 AMAQI
23rd Jul 2026314 AMAQI
22°C17/27°C
23rd Jul 2026335 AMAQI
23rd Jul 2026426 AMAQI
23rd Jul 2026277 AMAQI
23rd Jul 2026278 AMAQI
23rd Jul 2026299 AMAQI
23rd Jul 20262710 AMAQI
23rd Jul 20262111 AMAQI
23rd Jul 20262412 PMAQI
23rd Jul 2026231 PMAQI
23rd Jul 2026232 PMAQI
23rd Jul 2026273 PMAQI
23rd Jul 2026274 PMAQI
23rd Jul 2026235 PMAQI
23rd Jul 2026256 PMAQI
23rd Jul 2026277 PMAQI
23rd Jul 2026278 PMAQI
23rd Jul 2026319 PMAQI
23rd Jul 20263110 PMAQI
23rd Jul 20263411 PMAQI
24th Jul 20263612 AMAQI
24th Jul 2026341 AMAQI
24th Jul 2026402 AMAQI
24th Jul 2026473 AMAQI
24th Jul 2026424 AMAQI
22°C18/25°C
24th Jul 2026365 AMAQI
24th Jul 2026366 AMAQI
24th Jul 2026347 AMAQI
24th Jul 2026278 AMAQI
24th Jul 2026299 AMAQI
24th Jul 20263110 AMAQI
24th Jul 20263211 AMAQI
24th Jul 20262512 PMAQI
24th Jul 2026421 PMAQI
24th Jul 2026472 PMAQI
24th Jul 2026273 PMAQI
24th Jul 2026234 PMAQI
24th Jul 2026295 PMAQI
24th Jul 2026276 PMAQI
24th Jul 2026317 PMAQI
24th Jul 2026318 PMAQI
24th Jul 2026259 PMAQI
24th Jul 20263310 PMAQI
24th Jul 20263411 PMAQI
25th Jul 20263412 AMAQI
25th Jul 2026341 AMAQI
25th Jul 2026382 AMAQI
25th Jul 2026403 AMAQI
25th Jul 2026274 AMAQI
23°C16/28°C
25th Jul 2026295 AMAQI
25th Jul 2026256 AMAQI
25th Jul 2026347 AMAQI
25th Jul 2026428 AMAQI
25th Jul 2026329 AMAQI
25th Jul 20262510 AMAQI
25th Jul 20262711 AMAQI
25th Jul 20262712 PMAQI
25th Jul 2026321 PMAQI
25th Jul 2026442 PMAQI
25th Jul 2026253 PMAQI
25th Jul 2026274 PMAQI
25th Jul 2026255 PMAQI
25th Jul 2026276 PMAQI
25th Jul 2026297 PMAQI
25th Jul 2026278 PMAQI
25th Jul 2026299 PMAQI
25th Jul 20263610 PMAQI
25th Jul 20262911 PMAQI
26th Jul 20262912 AMAQI
26th Jul 2026331 AMAQI
26th Jul 2026402 AMAQI
26th Jul 2026493 AMAQI
26th Jul 2026464 AMAQI
22°C16/30°C
26th Jul 2026345 AMAQI
26th Jul 2026316 AMAQI
26th Jul 2026277 AMAQI
26th Jul 2026278 AMAQI
26th Jul 2026529 AMAQI
26th Jul 20265210 AMAQI
26th Jul 20264211 AMAQI
26th Jul 20265112 PMAQI
26th Jul 2026421 PMAQI
26th Jul 2026302 PMAQI
26th Jul 2026213 PMAQI
26th Jul 2026234 PMAQI
26th Jul 2026405 PMAQI
26th Jul 2026476 PMAQI
26th Jul 2026447 PMAQI
26th Jul 2026328 PMAQI
26th Jul 2026259 PMAQI
26th Jul 20262510 PMAQI
26th Jul 20262511 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026211 AMAQI
27th Jul 2026232 AMAQI
27th Jul 2026253 AMAQI
27th Jul 2026254 AMAQI
20°C16/27°C
27th Jul 2026255 AMAQI
27th Jul 2026296 AMAQI
27th Jul 2026297 AMAQI
27th Jul 2026348 AMAQI
27th Jul 2026299 AMAQI
27th Jul 20264610 AMAQI
27th Jul 20264511 AMAQI
27th Jul 20264412 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026252 PMAQI
27th Jul 2026233 PMAQI
27th Jul 2026324 PMAQI
27th Jul 2026365 PMAQI
27th Jul 2026486 PMAQI
27th Jul 2026467 PMAQI
27th Jul 2026348 PMAQI
27th Jul 2026259 PMAQI
27th Jul 20262310 PMAQI
27th Jul 20262311 PMAQI
28th Jul 20262912 AMAQI
28th Jul 2026271 AMAQI
28th Jul 2026212 AMAQI
28th Jul 2026233 AMAQI
28th Jul 2026274 AMAQI
21°C13/28°C
28th Jul 2026235 AMAQI
28th Jul 2026276 AMAQI
28th Jul 2026297 AMAQI
28th Jul 2026298 AMAQI
28th Jul 2026389 AMAQI
28th Jul 20263810 AMAQI
28th Jul 20263611 AMAQI
28th Jul 20263612 PMAQI
28th Jul 2026341 PMAQI
28th Jul 2026382 PMAQI
28th Jul 2026403 PMAQI
28th Jul 2026424 PMAQI
28th Jul 2026365 PMAQI
28th Jul 2026276 PMAQI
28th Jul 2026277 PMAQI
28th Jul 2026318 PMAQI
28th Jul 2026389 PMAQI
28th Jul 20263610 PMAQI
28th Jul 20263311 PMAQI
29th Jul 20263812 AMAQI
29th Jul 2026291 AMAQI
29th Jul 2026292 AMAQI
29th Jul 2026293 AMAQI
29th Jul 2026304 AMAQI
24°C18/31°C
29th Jul 2026385 AMAQI
29th Jul 2026336 AMAQI
29th Jul 2026277 AMAQI
29th Jul 2026408 AMAQI
29th Jul 2026429 AMAQI
29th Jul 20264610 AMAQI
29th Jul 20264411 AMAQI
29th Jul 20264012 PMAQI
29th Jul 2026461 PMAQI
29th Jul 2026422 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026274 PMAQI
29th Jul 2026255 PMAQI
29th Jul 2026236 PMAQI
29th Jul 2026257 PMAQI
29th Jul 2026278 PMAQI
29th Jul 2026299 PMAQI
29th Jul 20263310 PMAQI
29th Jul 20262911 PMAQI
30th Jul 20262512 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026252 AMAQI
30th Jul 2026233 AMAQI
30th Jul 2026294 AMAQI
26°C19/34°C
30th Jul 2026255 AMAQI
30th Jul 2026236 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026278 AMAQI
30th Jul 2026369 AMAQI
30th Jul 20262110 AMAQI
30th Jul 20262111 AMAQI
30th Jul 20262512 PMAQI
30th Jul 2026251 PMAQI
30th Jul 2026232 PMAQI
30th Jul 2026333 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026445 PMAQI
30th Jul 2026466 PMAQI
30th Jul 2026427 PMAQI
30th Jul 2026468 PMAQI
30th Jul 2026349 PMAQI
30th Jul 20262710 PMAQI
30th Jul 20262311 PMAQI
31st Jul 20262712 AMAQI
31st Jul 2026231 AMAQI
31st Jul 2026252 AMAQI
31st Jul 2026253 AMAQI
31st Jul 2026254 AMAQI
22°C17/27°C
31st Jul 2026255 AMAQI
31st Jul 2026236 AMAQI
31st Jul 2026277 AMAQI
31st Jul 2026258 AMAQI
31st Jul 2026389 AMAQI
31st Jul 20264410 AMAQI
31st Jul 20264411 AMAQI
31st Jul 20262112 PMAQI
31st Jul 2026271 PMAQI
31st Jul 2026252 PMAQI
31st Jul 2026253 PMAQI
31st Jul 2026274 PMAQI
31st Jul 2026255 PMAQI
31st Jul 2026256 PMAQI
31st Jul 2026257 PMAQI
31st Jul 2026258 PMAQI
31st Jul 2026259 PMAQI
31st Jul 20263310 PMAQI
31st Jul 20263811 PMAQI
1st Aug 20263612 AMAQI
1st Aug 2026311 AMAQI
1st Aug 2026252 AMAQI
1st Aug 2026253 AMAQI
1st Aug 2026294 AMAQI
21°C15/26°C
1st Aug 2026235 AMAQI
1st Aug 2026256 AMAQI
1st Aug 2026237 AMAQI
1st Aug 2026368 AMAQI
1st Aug 2026429 AMAQI
1st Aug 20263810 AMAQI
1st Aug 20264611 AMAQI
1st Aug 20263412 PMAQI
1st Aug 2026251 PMAQI
1st Aug 2026422 PMAQI
1st Aug 2026443 PMAQI
1st Aug 2026364 PMAQI
1st Aug 2026365 PMAQI
1st Aug 2026386 PMAQI
1st Aug 2026317 PMAQI
1st Aug 2026298 PMAQI
1st Aug 2026299 PMAQI
1st Aug 20262910 PMAQI
1st Aug 20262911 PMAQI
2nd Aug 20262912 AMAQI
2nd Aug 2026331 AMAQI
2nd Aug 2026312 AMAQI
2nd Aug 2026333 AMAQI
2nd Aug 2026274 AMAQI
20°C14/26°C
2nd Aug 2026255 AMAQI
2nd Aug 2026296 AMAQI
2nd Aug 2026297 AMAQI
2nd Aug 2026338 AMAQI
2nd Aug 2026339 AMAQI
2nd Aug 20263310 AMAQI
2nd Aug 20263611 AMAQI
2nd Aug 20262512 PMAQI
2nd Aug 2026291 PMAQI
2nd Aug 2026332 PMAQI
2nd Aug 2026333 PMAQI
2nd Aug 2026334 PMAQI
2nd Aug 2026365 PMAQI
2nd Aug 2026306 PMAQI
2nd Aug 2026327 PMAQI
2nd Aug 2026298 PMAQI
2nd Aug 2026239 PMAQI
2nd Aug 20262510 PMAQI
2nd Aug 20262511 PMAQI
3rd Aug 20263812 AMAQI
3rd Aug 2026381 AMAQI
3rd Aug 2026302 AMAQI
3rd Aug 2026323 AMAQI
3rd Aug 2026274 AMAQI
21°C15/28°C
3rd Aug 2026275 AMAQI
3rd Aug 2026296 AMAQI
3rd Aug 2026297 AMAQI
3rd Aug 2026258 AMAQI
3rd Aug 2026299 AMAQI
3rd Aug 20263110 AMAQI
3rd Aug 20262911 AMAQI
3rd Aug 20262512 PMAQI
3rd Aug 2026251 PMAQI
3rd Aug 2026542 PMAQI
3rd Aug 2026543 PMAQI
3rd Aug 2026514 PMAQI
3rd Aug 2026515 PMAQI
3rd Aug 2026546 PMAQI
3rd Aug 2026517 PMAQI
3rd Aug 2026388 PMAQI
3rd Aug 2026279 PMAQI
3rd Aug 20263810 PMAQI
3rd Aug 20262511 PMAQI
4th Aug 20262112 AMAQI
4th Aug 2026311 AMAQI
4th Aug 2026292 AMAQI
4th Aug 2026383 AMAQI
4th Aug 2026404 AMAQI
24°C17/32°C
4th Aug 2026425 AMAQI
4th Aug 2026336 AMAQI
4th Aug 2026277 AMAQI
4th Aug 2026368 AMAQI
4th Aug 2026409 AMAQI
4th Aug 20264410 AMAQI
4th Aug 20262911 AMAQI
4th Aug 20262712 PMAQI
4th Aug 2026251 PMAQI
4th Aug 2026542 PMAQI
4th Aug 2026543 PMAQI
4th Aug 2026514 PMAQI
4th Aug 2026385 PMAQI
4th Aug 2026426 PMAQI
4th Aug 2026517 PMAQI
4th Aug 2026368 PMAQI
4th Aug 2026239 PMAQI
4th Aug 20262110 PMAQI
4th Aug 20262311 PMAQI
5th Aug 20262512 AMAQI
5th Aug 2026251 AMAQI
5th Aug 2026232 AMAQI
5th Aug 2026253 AMAQI
5th Aug 2026294 AMAQI
24°C19/30°C
5th Aug 2026295 AMAQI
5th Aug 2026276 AMAQI
5th Aug 2026297 AMAQI
5th Aug 2026238 AMAQI
5th Aug 2026239 AMAQI
5th Aug 20262310 AMAQI
5th Aug 20264211 AMAQI
5th Aug 20263612 PMAQI
5th Aug 2026401 PMAQI
5th Aug 2026442 PMAQI
5th Aug 2026483 PMAQI
5th Aug 2026484 PMAQI
5th Aug 2026325 PMAQI
5th Aug 2026236 PMAQI
5th Aug 2026257 PMAQI
5th Aug 2026278 PMAQI
5th Aug 2026259 PMAQI
5th Aug 20262710 PMAQI
5th Aug 20262511 PMAQI
6th Aug 20262512 AMAQI
6th Aug 2026231 AMAQI
6th Aug 2026212 AMAQI
6th Aug 2026253 AMAQI
6th Aug 2026254 AMAQI
21°C16/26°C
6th Aug 2026235 AMAQI
6th Aug 2026216 AMAQI
6th Aug 2026237 AMAQI
6th Aug 2026238 AMAQI
6th Aug 2026259 AMAQI
6th Aug 20262710 AMAQI
6th Aug 20262511 AMAQI
6th Aug 20262512 PMAQI
6th Aug 2026311 PMAQI
6th Aug 2026212 PMAQI
6th Aug 2026213 PMAQI
6th Aug 2026214 PMAQI
6th Aug 2026255 PMAQI
6th Aug 2026256 PMAQI
6th Aug 2026217 PMAQI
6th Aug 2026218 PMAQI
6th Aug 2026239 PMAQI
6th Aug 20262510 PMAQI
6th Aug 20262511 PMAQI
7th Aug 20262512 AMAQI
7th Aug 2026291 AMAQI
7th Aug 2026292 AMAQI
7th Aug 2026293 AMAQI
7th Aug 2026254 AMAQI
18°C12/24°C
7th Aug 2026255 AMAQI
7th Aug 2026256 AMAQI
7th Aug 2026217 AMAQI
7th Aug 2026258 AMAQI
7th Aug 2026259 AMAQI
7th Aug 20262710 AMAQI
7th Aug 20262511 AMAQI
7th Aug 20262512 PMAQI
7th Aug 2026231 PMAQI
7th Aug 2026212 PMAQI
7th Aug 2026253 PMAQI
7th Aug 2026254 PMAQI
7th Aug 2026295 PMAQI
7th Aug 2026296 PMAQI
7th Aug 2026297 PMAQI
7th Aug 2026278 PMAQI
7th Aug 2026299 PMAQI
7th Aug 20262710 PMAQI
7th Aug 20262511 PMAQI
8th Aug 20263412 AMAQI
8th Aug 2026341 AMAQI
8th Aug 2026212 AMAQI
8th Aug 2026213 AMAQI
8th Aug 2026214 AMAQI
20°C14/26°C
8th Aug 2026235 AMAQI
8th Aug 2026216 AMAQI
8th Aug 2026277 AMAQI
8th Aug 2026258 AMAQI
8th Aug 2026259 AMAQI
8th Aug 20262710 AMAQI
8th Aug 20262511 AMAQI
8th Aug 20262512 PMAQI
8th Aug 2026251 PMAQI
8th Aug 2026252 PMAQI
8th Aug 2026233 PMAQI
8th Aug 2026254 PMAQI
8th Aug 2026255 PMAQI
8th Aug 2026256 PMAQI
8th Aug 2026257 PMAQI
8th Aug 2026258 PMAQI
8th Aug 2026259 PMAQI
8th Aug 20262510 PMAQI
8th Aug 20263611 PMAQI
9th Aug 20264212 AMAQI
9th Aug 2026231 AMAQI
9th Aug 2026212 AMAQI
9th Aug 2026273 AMAQI
9th Aug 2026424 AMAQI
21°C15/28°C
9th Aug 2026345 AMAQI
9th Aug 2026296 AMAQI
9th Aug 2026337 AMAQI
9th Aug 2026258 AMAQI
9th Aug 2026409 AMAQI
9th Aug 20263110 AMAQI
9th Aug 20263111 AMAQI
9th Aug 20263312 PMAQI
9th Aug 2026291 PMAQI
9th Aug 2026342 PMAQI
9th Aug 2026273 PMAQI
9th Aug 2026254 PMAQI
9th Aug 2026255 PMAQI
9th Aug 2026216 PMAQI
9th Aug 2026237 PMAQI
9th Aug 2026218 PMAQI
9th Aug 2026219 PMAQI
9th Aug 20262310 PMAQI
9th Aug 20262911 PMAQI
10th Aug 20263112 AMAQI
10th Aug 2026291 AMAQI
10th Aug 2026252 AMAQI
10th Aug 2026293 AMAQI
10th Aug 2026234 AMAQI
24°C17/31°C
10th Aug 2026275 AMAQI
10th Aug 2026296 AMAQI
10th Aug 2026387 AMAQI
10th Aug 2026408 AMAQI
10th Aug 2026369 AMAQI
10th Aug 20263310 AMAQI
10th Aug 20262911 AMAQI
10th Aug 20262912 PMAQI
10th Aug 2026271 PMAQI
10th Aug 2026272 PMAQI
10th Aug 2026293 PMAQI
10th Aug 2026274 PMAQI
10th Aug 2026235 PMAQI
10th Aug 2026256 PMAQI
10th Aug 2026217 PMAQI
10th Aug 2026298 PMAQI
10th Aug 2026279 PMAQI
10th Aug 20262710 PMAQI
10th Aug 20262511 PMAQI
11th Aug 20262312 AMAQI
11th Aug 2026231 AMAQI
11th Aug 2026252 AMAQI
11th Aug 2026253 AMAQI
11th Aug 2026254 AMAQI
22°C17/26°C
11th Aug 2026255 AMAQI
11th Aug 2026276 AMAQI
11th Aug 2026327 AMAQI
11th Aug 2026218 AMAQI
11th Aug 2026219 AMAQI
11th Aug 20262310 AMAQI
11th Aug 20263211 AMAQI
11th Aug 20262912 PMAQI
11th Aug 2026251 PMAQI
11th Aug 2026212 PMAQI
11th Aug 2026253 PMAQI
11th Aug 2026274 PMAQI
11th Aug 2026215 PMAQI
11th Aug 2026236 PMAQI
11th Aug 2026257 PMAQI
11th Aug 2026258 PMAQI
11th Aug 2026239 PMAQI
11th Aug 20262710 PMAQI
11th Aug 20262511 PMAQI
12th Aug 20262512 AMAQI
12th Aug 2026231 AMAQI
12th Aug 2026232 AMAQI
12th Aug 2026253 AMAQI
12th Aug 2026254 AMAQI
21°C16/27°C
12th Aug 2026295 AMAQI
12th Aug 2026256 AMAQI
12th Aug 2026297 AMAQI
12th Aug 2026258 AMAQI
12th Aug 2026279 AMAQI
12th Aug 20262710 AMAQI
12th Aug 20262911 AMAQI
12th Aug 20262712 PMAQI
12th Aug 2026291 PMAQI
12th Aug 2026312 PMAQI
12th Aug 2026273 PMAQI
12th Aug 2026384 PMAQI
12th Aug 2026515 PMAQI
12th Aug 2026486 PMAQI
12th Aug 2026507 PMAQI
12th Aug 2026468 PMAQI
12th Aug 2026509 PMAQI
12th Aug 20265110 PMAQI
12th Aug 20265111 PMAQI
13th Aug 20264812 AMAQI
13th Aug 2026521 AMAQI
13th Aug 2026532 AMAQI
13th Aug 2026423 AMAQI
13th Aug 2026254 AMAQI
25°C17/33°C
13th Aug 2026255 AMAQI
13th Aug 2026276 AMAQI
13th Aug 2026257 AMAQI
13th Aug 2026538 AMAQI
13th Aug 2026469 AMAQI
13th Aug 20265010 AMAQI
13th Aug 20265211 AMAQI
13th Aug 20265112 PMAQI
13th Aug 2026461 PMAQI
13th Aug 2026332 PMAQI
13th Aug 2026303 PMAQI
13th Aug 2026214 PMAQI
13th Aug 2026255 PMAQI
13th Aug 2026256 PMAQI
13th Aug 2026277 PMAQI
13th Aug 2026298 PMAQI
13th Aug 2026299 PMAQI
13th Aug 20263110 PMAQI
13th Aug 20264011 PMAQI
14th Aug 20263312 AMAQI
14th Aug 2026291 AMAQI
14th Aug 2026272 AMAQI
14th Aug 2026293 AMAQI
14th Aug 2026274 AMAQI
28°C20/36°C
14th Aug 2026295 AMAQI
14th Aug 2026296 AMAQI
14th Aug 2026427 AMAQI
14th Aug 2026338 AMAQI
14th Aug 2026339 AMAQI
14th Aug 20263110 AMAQI
14th Aug 20263111 AMAQI
14th Aug 20263112 PMAQI
14th Aug 2026311 PMAQI
14th Aug 2026332 PMAQI
14th Aug 2026333 PMAQI
14th Aug 2026384 PMAQI
14th Aug 2026365 PMAQI
14th Aug 2026346 PMAQI
14th Aug 2026297 PMAQI
14th Aug 2026298 PMAQI
14th Aug 2026319 PMAQI
14th Aug 20263110 PMAQI
14th Aug 20262911 PMAQI
15th Aug 20264012 AMAQI
15th Aug 2026381 AMAQI
15th Aug 2026362 AMAQI
15th Aug 2026273 AMAQI
15th Aug 2026234 AMAQI
27°C21/34°C
15th Aug 2026235 AMAQI
5 AM15th Aug 2026346 AMAQI
15th Aug 2026257 AMAQI
15th Aug 2026238 AMAQI
15th Aug 2026239 AMAQI
15th Aug 20262110 AMAQI
15th Aug 20262511 AMAQI
15th Aug 20263612 PMAQI
12 PM15th Aug 2026421 PMAQI
15th Aug 2026302 PMAQI
15th Aug 2026253 PMAQI
15th Aug 2026234 PMAQI
15th Aug 2026295 PMAQI
15th Aug 2026256 PMAQI
15th Aug 2026257 PMAQI
15th Aug 2026278 PMAQI
8 PM15th Aug 2026299 PMAQI
15th Aug 20262710 PMAQI
15th Aug 20264011 PMAQI
12 AM
4 AM
23°C19/27°C
Day time
Avg. Highest Time
9 AM - 11 AM
35AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
5 AM
28AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 11 AM (Avg. 35), while the lowest AQI was between 5 AM to 5 AM (Avg. 28).
Night time
Avg. Highest Time
12 AM - 1 AM
32AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
4 AM - 9 PM
29AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 1 AM (Avg. 32), while the lowest AQI was between 4 AM to 9 PM (Avg. 29).
2026 Days Vs Air Quality
Harlington, West Drayton, Hillingdon, United Kingdom
2026
94%
210
6%
14
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Good
210 DaysModerate
14 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2026, 94% of 227 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Harlington, West Drayton, Hillingdon, 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
33AQI (US)
33AQI (US)
2nd January 2026
22AQI (US)
22AQI (US)
3rd January 2026
25AQI (US)
25AQI (US)
4th January 2026
36AQI (US)
36AQI (US)
5th January 2026
38AQI (US)
38AQI (US)
6th January 2026
42AQI (US)
42AQI (US)
7th January 2026
19AQI (US)
19AQI (US)
8th January 2026
37AQI (US)
37AQI (US)
9th January 2026
22AQI (US)
22AQI (US)
10th January 2026
37AQI (US)
37AQI (US)
11th January 2026
35AQI (US)
35AQI (US)
12th January 2026
19AQI (US)
19AQI (US)
13th January 2026
15AQI (US)
15AQI (US)
14th January 2026
28AQI (US)
28AQI (US)
15th January 2026
14AQI (US)
14AQI (US)
16th January 2026
29AQI (US)
29AQI (US)
17th January 2026
25AQI (US)
25AQI (US)
18th January 2026
71AQI (US)
71AQI (US)
19th January 2026
61AQI (US)
61AQI (US)
20th January 2026
28AQI (US)
28AQI (US)
21st January 2026
11AQI (US)
11AQI (US)
22nd January 2026
25AQI (US)
25AQI (US)
23rd January 2026
18AQI (US)
18AQI (US)
24th January 2026
28AQI (US)
28AQI (US)
25th January 2026
48AQI (US)
48AQI (US)
26th January 2026
73AQI (US)
73AQI (US)
27th January 2026
35AQI (US)
35AQI (US)
28th January 2026
17AQI (US)
17AQI (US)
29th January 2026
53AQI (US)
53AQI (US)
30th January 2026
46AQI (US)
46AQI (US)
31st January 2026
38AQI (US)
38AQI (US)
1st February 2026
43AQI (US)
43AQI (US)
2nd February 2026
49AQI (US)
49AQI (US)
3rd February 2026
58AQI (US)
58AQI (US)
4th February 2026
41AQI (US)
41AQI (US)
5th February 2026
42AQI (US)
42AQI (US)
6th February 2026
44AQI (US)
44AQI (US)
7th February 2026
36AQI (US)
36AQI (US)
8th February 2026
39AQI (US)
39AQI (US)
9th February 2026
44AQI (US)
44AQI (US)
10th February 2026
43AQI (US)
43AQI (US)
11th February 2026
41AQI (US)
41AQI (US)
12th February 2026
39AQI (US)
39AQI (US)
13th February 2026
43AQI (US)
43AQI (US)
14th February 2026
42AQI (US)
42AQI (US)
15th February 2026
33AQI (US)
33AQI (US)
16th February 2026
35AQI (US)
35AQI (US)
17th February 2026
40AQI (US)
40AQI (US)
18th February 2026
40AQI (US)
40AQI (US)
19th February 2026
44AQI (US)
44AQI (US)
20th February 2026
42AQI (US)
42AQI (US)
21st February 2026
36AQI (US)
36AQI (US)
22nd February 2026
29AQI (US)
29AQI (US)
23rd February 2026
32AQI (US)
32AQI (US)
24th February 2026
33AQI (US)
33AQI (US)
25th February 2026
37AQI (US)
37AQI (US)
26th February 2026
30AQI (US)
30AQI (US)
27th February 2026
28AQI (US)
28AQI (US)
28th February 2026
28AQI (US)
28AQI (US)
1st March 2026
31AQI (US)
31AQI (US)
2nd March 2026
39AQI (US)
39AQI (US)
3rd March 2026
49AQI (US)
49AQI (US)
4th March 2026
61AQI (US)
61AQI (US)
5th March 2026
69AQI (US)
69AQI (US)
6th March 2026
58AQI (US)
58AQI (US)
7th March 2026
29AQI (US)
29AQI (US)
8th March 2026
60AQI (US)
60AQI (US)
9th March 2026
89AQI (US)
89AQI (US)
10th March 2026
39AQI (US)
39AQI (US)
11th March 2026
23AQI (US)
23AQI (US)
12th March 2026
36AQI (US)
36AQI (US)
13th March 2026
37AQI (US)
37AQI (US)
14th March 2026
31AQI (US)
31AQI (US)
15th March 2026
32AQI (US)
32AQI (US)
16th March 2026
31AQI (US)
31AQI (US)
17th March 2026
32AQI (US)
32AQI (US)
18th March 2026
31AQI (US)
31AQI (US)
19th March 2026
40AQI (US)
40AQI (US)
20th March 2026
57AQI (US)
57AQI (US)
21st March 2026
25AQI (US)
25AQI (US)
22nd March 2026
33AQI (US)
33AQI (US)
23rd March 2026
59AQI (US)
59AQI (US)
24th March 2026
66AQI (US)
66AQI (US)
25th March 2026
17AQI (US)
17AQI (US)
26th March 2026
15AQI (US)
15AQI (US)
27th March 2026
26AQI (US)
26AQI (US)
28th March 2026
30AQI (US)
30AQI (US)
29th March 2026
26AQI (US)
26AQI (US)
30th March 2026
24AQI (US)
24AQI (US)
31st March 2026
25AQI (US)
25AQI (US)
1st April 2026
28AQI (US)
28AQI (US)
2nd April 2026
27AQI (US)
27AQI (US)
3rd April 2026
27AQI (US)
27AQI (US)
4th April 2026
25AQI (US)
25AQI (US)
5th April 2026
28AQI (US)
28AQI (US)
6th April 2026
25AQI (US)
25AQI (US)
7th April 2026
27AQI (US)
27AQI (US)
8th April 2026
44AQI (US)
44AQI (US)
9th April 2026
29AQI (US)
29AQI (US)
10th April 2026
24AQI (US)
24AQI (US)
11th April 2026
31AQI (US)
31AQI (US)
12th April 2026
29AQI (US)
29AQI (US)
13th April 2026
25AQI (US)
25AQI (US)
14th April 2026
29AQI (US)
29AQI (US)
15th April 2026
28AQI (US)
28AQI (US)
16th April 2026
28AQI (US)
28AQI (US)
17th April 2026
18th April 2026
26AQI (US)
26AQI (US)
19th April 2026
28AQI (US)
28AQI (US)
20th April 2026
25AQI (US)
25AQI (US)
21st April 2026
24AQI (US)
24AQI (US)
22nd April 2026
23rd April 2026
22AQI (US)
22AQI (US)
24th April 2026
24AQI (US)
24AQI (US)
25th April 2026
42AQI (US)
42AQI (US)
26th April 2026
37AQI (US)
37AQI (US)
27th April 2026
42AQI (US)
42AQI (US)
28th April 2026
30AQI (US)
30AQI (US)
29th April 2026
22AQI (US)
22AQI (US)
30th April 2026
24AQI (US)
24AQI (US)
1st May 2026
26AQI (US)
26AQI (US)
2nd May 2026
37AQI (US)
37AQI (US)
3rd May 2026
37AQI (US)
37AQI (US)
4th May 2026
48AQI (US)
48AQI (US)
5th May 2026
36AQI (US)
36AQI (US)
6th May 2026
28AQI (US)
28AQI (US)
7th May 2026
25AQI (US)
25AQI (US)
8th May 2026
36AQI (US)
36AQI (US)
9th May 2026
10th May 2026
27AQI (US)
27AQI (US)
11th May 2026
19AQI (US)
19AQI (US)
12th May 2026
25AQI (US)
25AQI (US)
13th May 2026
23AQI (US)
23AQI (US)
14th May 2026
19AQI (US)
19AQI (US)
15th May 2026
31AQI (US)
31AQI (US)
16th May 2026
34AQI (US)
34AQI (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
32AQI (US)
32AQI (US)
21st May 2026
36AQI (US)
36AQI (US)
22nd May 2026
30AQI (US)
30AQI (US)
23rd May 2026
44AQI (US)
44AQI (US)
24th May 2026
60AQI (US)
60AQI (US)
25th May 2026
39AQI (US)
39AQI (US)
26th May 2026
34AQI (US)
34AQI (US)
27th May 2026
38AQI (US)
38AQI (US)
28th May 2026
29AQI (US)
29AQI (US)
29th May 2026
27AQI (US)
27AQI (US)
30th May 2026
24AQI (US)
24AQI (US)
31st May 2026
24AQI (US)
24AQI (US)
1st June 2026
22AQI (US)
22AQI (US)
2nd June 2026
31AQI (US)
31AQI (US)
3rd June 2026
27AQI (US)
27AQI (US)
4th June 2026
18AQI (US)
18AQI (US)
5th June 2026
20AQI (US)
20AQI (US)
6th June 2026
22AQI (US)
22AQI (US)
7th June 2026
24AQI (US)
24AQI (US)
8th June 2026
23AQI (US)
23AQI (US)
9th June 2026
20AQI (US)
20AQI (US)
10th June 2026
42AQI (US)
42AQI (US)
11th June 2026
46AQI (US)
46AQI (US)
12th June 2026
15AQI (US)
15AQI (US)
13th June 2026
20AQI (US)
20AQI (US)
14th June 2026
21AQI (US)
21AQI (US)
15th June 2026
29AQI (US)
29AQI (US)
16th June 2026
24AQI (US)
24AQI (US)
17th June 2026
22AQI (US)
22AQI (US)
18th June 2026
17AQI (US)
17AQI (US)
19th June 2026
21AQI (US)
21AQI (US)
20th June 2026
16AQI (US)
16AQI (US)
21st June 2026
18AQI (US)
18AQI (US)
22nd June 2026
21AQI (US)
21AQI (US)
23rd June 2026
23AQI (US)
23AQI (US)
24th June 2026
42AQI (US)
42AQI (US)
25th June 2026
38AQI (US)
38AQI (US)
26th June 2026
40AQI (US)
40AQI (US)
27th June 2026
36AQI (US)
36AQI (US)
28th June 2026
21AQI (US)
21AQI (US)
29th June 2026
21AQI (US)
21AQI (US)
30th June 2026
17AQI (US)
17AQI (US)
1st July 2026
20AQI (US)
20AQI (US)
2nd July 2026
22AQI (US)
22AQI (US)
3rd July 2026
18AQI (US)
18AQI (US)
4th July 2026
16AQI (US)
16AQI (US)
5th July 2026
11AQI (US)
11AQI (US)
6th July 2026
11AQI (US)
11AQI (US)
7th July 2026
17AQI (US)
17AQI (US)
8th July 2026
26AQI (US)
26AQI (US)
9th July 2026
26AQI (US)
26AQI (US)
10th July 2026
28AQI (US)
28AQI (US)
11th July 2026
27AQI (US)
27AQI (US)
12th July 2026
25AQI (US)
25AQI (US)
13th July 2026
27AQI (US)
27AQI (US)
14th July 2026
27AQI (US)
27AQI (US)
15th July 2026
23AQI (US)
23AQI (US)
16th July 2026
34AQI (US)
34AQI (US)
17th July 2026
39AQI (US)
39AQI (US)
18th July 2026
50AQI (US)
50AQI (US)
19th July 2026
26AQI (US)
26AQI (US)
20th July 2026
26AQI (US)
26AQI (US)
21st July 2026
33AQI (US)
33AQI (US)
22nd July 2026
36AQI (US)
36AQI (US)
23rd July 2026
29AQI (US)
29AQI (US)
24th July 2026
33AQI (US)
33AQI (US)
25th July 2026
31AQI (US)
31AQI (US)
26th July 2026
36AQI (US)
36AQI (US)
27th July 2026
31AQI (US)
31AQI (US)
28th July 2026
32AQI (US)
32AQI (US)
29th July 2026
33AQI (US)
33AQI (US)
30th July 2026
29AQI (US)
29AQI (US)
31st July 2026
28AQI (US)
28AQI (US)
1st August 2026
33AQI (US)
33AQI (US)
2nd August 2026
30AQI (US)
30AQI (US)
3rd August 2026
36AQI (US)
36AQI (US)
4th August 2026
36AQI (US)
36AQI (US)
5th August 2026
30AQI (US)
30AQI (US)
6th August 2026
24AQI (US)
24AQI (US)
7th August 2026
26AQI (US)
26AQI (US)
8th August 2026
26AQI (US)
26AQI (US)
9th August 2026
29AQI (US)
29AQI (US)
10th August 2026
29AQI (US)
29AQI (US)
11th August 2026
25AQI (US)
25AQI (US)
12th August 2026
34AQI (US)
34AQI (US)
13th August 2026
37AQI (US)
37AQI (US)
14th August 2026
32AQI (US)
32AQI (US)
15th August 2026
29AQI (US)
29AQI (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
33AQI (US)
39AQI (US)
39AQI (US)
29AQI (US)
32AQI (US)
25AQI (US)
27AQI (US)
30AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202632AQI (US)
27
4
27
1
23
8
28
29
1
30
31
15
210
14
Highest AQI (US) recorded in
February39AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202537AQI (US)
21
10
15
13
13
17
1
21
9
29
2
30
31
27
4
30
24
7
25
5
26
5
292
72
1
Highest AQI (US) recorded in
March57AQI (US)
Lowest AQI (US) recorded in
September22AQI (US)
202431AQI (US)
27
2
29
25
5
30
24
7
29
1
30
1
30
1
25
5
30
1
21
9
31
331
32
Highest AQI (US) recorded in
November44AQI (US)
Lowest AQI (US) recorded in
April24AQI (US)
202332AQI (US)
26
3
2
19
8
1
31
25
5
30
1
24
6
31
30
1
23
7
30
1
27
2
31
327
34
3
Highest AQI (US) recorded in
February43AQI (US)
Lowest AQI (US) recorded in
August23AQI (US)
202235AQI (US)
21
10
21
17
14
26
4
27
4
30
21
2
1
27
1
31
27
3
18
13
267
51
Highest AQI (US) recorded in
March53AQI (US)
Lowest AQI (US) recorded in
October28AQI (US)
202134AQI (US)
25
5
24
4
21
8
2
25
5
29
2
28
2
25
6
31
24
6
29
2
27
3
29
2
317
45
2
Highest AQI (US) recorded in
March46AQI (US)
Lowest AQI (US) recorded in
August24AQI (US)
202034AQI (US)
7
6
14
6
1
18
27
3
31
19
6
28
2
28
22
8
29
2
223
33
1
Highest AQI (US) recorded in
April54AQI (US)
Lowest AQI (US) recorded in
July22AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
37AQI (US)Least Polluted Year Recorded
2024(Avg.)
31AQI (US)Harlington's annual 2026 AQI (US) (32) shows an average percentage change of -5.1% (improved AQI (US)) compared to previous years: 2020 (34), 2021 (34), 2022 (35), 2023 (32), 2024 (31), 2025 (37).
