Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Harelbeke, Flanders, Belgium 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+

October Air Quality Analysis

Harelbeke, Flanders, Belgium

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
11th Oct 2025
95AQI
Lowest AQI recorded on
29th Oct 2023
17AQI

Same Day Analysis (1st October):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 25 of Good air quality, showing improvement over 2025, 2023 and 2022 on the same day.

Day & Night AQI Trend: 1st Oct - 2nd Oct 2026

Harelbeke, Flanders, Belgium

AQI
Day
Night
.

7 AM1st Oct 2026

7 PM

6 AM2nd Oct 2026

Day time
Avg. Highest Time
6PM1st Oct

33AQI

Avg. Lowest Time
7AM1st Oct

19AQI

Night time
Avg. Highest Time
4AM2nd Oct

53AQI

Avg. Lowest Time
5AM2nd Oct

23AQI

In the last 24 hours,

Harelbeke's AQI reached its highest point of 53 at 4 AM during the Night, while the lowest point, 19, was recorded at 7 AM during the Day between 1st Oct and 2nd Oct 2026.

Day & Night AQI Trend : Sep - Oct 2026

Harelbeke, Flanders, Belgium

SepOct
03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd
Day
Night
3rd Sep 2026577 AMAQI
3rd Sep 2026878 AMAQI
3rd Sep 2026869 AMAQI
3rd Sep 20267010 AMAQI
3rd Sep 20265011 AMAQI
3rd Sep 20262612 PMAQI
3rd Sep 2026151 PMAQI
3rd Sep 2026152 PMAQI
3rd Sep 2026243 PMAQI
3rd Sep 2026154 PMAQI
3rd Sep 202665 PMAQI
3rd Sep 202676 PMAQI
3rd Sep 202687 PMAQI
3rd Sep 202678 PMAQI
3rd Sep 2026109 PMAQI
3rd Sep 20263110 PMAQI
3rd Sep 20263411 PMAQI
4th Sep 20263312 AMAQI
4th Sep 2026351 AMAQI
4th Sep 202682 AMAQI
4th Sep 202673 AMAQI
4th Sep 202684 AMAQI
4th Sep 202695 AMAQI
4th Sep 2026136 AMAQI

19°C17/21°C

4th Sep 2026127 AMAQI
4th Sep 2026138 AMAQI
4th Sep 2026169 AMAQI
4th Sep 20262810 AMAQI
4th Sep 20263111 AMAQI
4th Sep 20263812 PMAQI
4th Sep 2026231 PMAQI
4th Sep 2026102 PMAQI
4th Sep 202693 PMAQI
4th Sep 2026194 PMAQI
4th Sep 2026185 PMAQI
4th Sep 2026116 PMAQI
4th Sep 2026127 PMAQI
4th Sep 2026168 PMAQI
4th Sep 2026179 PMAQI
4th Sep 2026810 PMAQI
4th Sep 2026911 PMAQI
5th Sep 20262812 AMAQI
5th Sep 2026221 AMAQI
5th Sep 2026262 AMAQI
5th Sep 2026263 AMAQI
5th Sep 2026234 AMAQI
5th Sep 2026215 AMAQI
5th Sep 2026226 AMAQI

21°C19/25°C

5th Sep 2026237 AMAQI
5th Sep 2026248 AMAQI
5th Sep 2026329 AMAQI
5th Sep 20265110 AMAQI
5th Sep 20264611 AMAQI
5th Sep 20263512 PMAQI
5th Sep 2026211 PMAQI
5th Sep 2026212 PMAQI
5th Sep 2026243 PMAQI
5th Sep 2026214 PMAQI
5th Sep 2026145 PMAQI
5th Sep 2026146 PMAQI
5th Sep 2026167 PMAQI
5th Sep 2026168 PMAQI
5th Sep 2026219 PMAQI
5th Sep 20262110 PMAQI
5th Sep 20262311 PMAQI
6th Sep 20262712 AMAQI
6th Sep 2026251 AMAQI
6th Sep 2026242 AMAQI
6th Sep 2026543 AMAQI
6th Sep 2026514 AMAQI
6th Sep 2026225 AMAQI
6th Sep 2026226 AMAQI

18°C14/23°C

6th Sep 2026267 AMAQI
6th Sep 2026328 AMAQI
6th Sep 2026349 AMAQI
6th Sep 20262510 AMAQI
6th Sep 20262211 AMAQI
6th Sep 20262612 PMAQI
6th Sep 2026291 PMAQI
6th Sep 2026232 PMAQI
6th Sep 2026103 PMAQI
6th Sep 2026104 PMAQI
6th Sep 2026255 PMAQI
6th Sep 2026266 PMAQI
6th Sep 2026327 PMAQI
6th Sep 2026198 PMAQI
6th Sep 2026169 PMAQI
6th Sep 20262510 PMAQI
6th Sep 20262311 PMAQI
7th Sep 20264612 AMAQI
7th Sep 2026291 AMAQI
7th Sep 2026292 AMAQI
7th Sep 2026343 AMAQI
7th Sep 2026414 AMAQI
7th Sep 2026375 AMAQI
7th Sep 2026326 AMAQI

19°C13/26°C

7th Sep 2026257 AMAQI
7th Sep 2026238 AMAQI
7th Sep 2026229 AMAQI
7th Sep 20262410 AMAQI
7th Sep 20262611 AMAQI
7th Sep 20262712 PMAQI
7th Sep 2026371 PMAQI
7th Sep 2026372 PMAQI
7th Sep 2026243 PMAQI
7th Sep 2026244 PMAQI
7th Sep 2026245 PMAQI
7th Sep 2026256 PMAQI
7th Sep 2026267 PMAQI
7th Sep 2026328 PMAQI
7th Sep 2026209 PMAQI
7th Sep 20262710 PMAQI
7th Sep 20263011 PMAQI
8th Sep 20262812 AMAQI
8th Sep 2026261 AMAQI
8th Sep 2026272 AMAQI
8th Sep 2026313 AMAQI
8th Sep 2026304 AMAQI
8th Sep 2026425 AMAQI
8th Sep 2026516 AMAQI

22°C19/27°C

8th Sep 2026577 AMAQI
8th Sep 2026258 AMAQI
8th Sep 2026299 AMAQI
8th Sep 20264310 AMAQI
8th Sep 20263211 AMAQI
8th Sep 20264712 PMAQI
8th Sep 2026301 PMAQI
8th Sep 2026202 PMAQI
8th Sep 2026193 PMAQI
8th Sep 2026194 PMAQI
8th Sep 2026345 PMAQI
8th Sep 2026236 PMAQI
8th Sep 2026227 PMAQI
8th Sep 2026238 PMAQI
8th Sep 2026199 PMAQI
8th Sep 20261310 PMAQI
8th Sep 20261211 PMAQI
9th Sep 20261312 AMAQI
9th Sep 2026141 AMAQI
9th Sep 2026202 AMAQI
9th Sep 2026233 AMAQI
9th Sep 2026174 AMAQI
9th Sep 2026315 AMAQI
9th Sep 2026326 AMAQI

18°C15/21°C

9th Sep 2026257 AMAQI
9th Sep 2026178 AMAQI
9th Sep 2026279 AMAQI
9th Sep 20262910 AMAQI
9th Sep 20263111 AMAQI
9th Sep 20263812 PMAQI
9th Sep 2026351 PMAQI
9th Sep 2026212 PMAQI
9th Sep 2026253 PMAQI
9th Sep 2026114 PMAQI
9th Sep 202695 PMAQI
9th Sep 2026236 PMAQI
9th Sep 2026237 PMAQI
9th Sep 2026218 PMAQI
9th Sep 2026249 PMAQI
9th Sep 20262910 PMAQI
9th Sep 20262511 PMAQI
10th Sep 20262812 AMAQI
10th Sep 2026501 AMAQI
10th Sep 2026332 AMAQI
10th Sep 2026283 AMAQI
10th Sep 2026304 AMAQI
10th Sep 2026355 AMAQI
10th Sep 2026426 AMAQI

15°C12/17°C

10th Sep 2026517 AMAQI
10th Sep 2026488 AMAQI
10th Sep 2026529 AMAQI
10th Sep 20264810 AMAQI
10th Sep 20263411 AMAQI
10th Sep 20262712 PMAQI
10th Sep 2026291 PMAQI
10th Sep 2026232 PMAQI
10th Sep 2026273 PMAQI
10th Sep 2026324 PMAQI
10th Sep 2026345 PMAQI
10th Sep 2026356 PMAQI
10th Sep 2026357 PMAQI
10th Sep 2026358 PMAQI
10th Sep 2026359 PMAQI
10th Sep 20263510 PMAQI
10th Sep 20262911 PMAQI
11th Sep 20263212 AMAQI
11th Sep 2026321 AMAQI
11th Sep 2026212 AMAQI
11th Sep 2026223 AMAQI
11th Sep 2026234 AMAQI
11th Sep 2026305 AMAQI
11th Sep 2026266 AMAQI

16°C12/22°C

11th Sep 2026267 AMAQI
11th Sep 2026528 AMAQI
11th Sep 2026309 AMAQI
11th Sep 20263510 AMAQI
11th Sep 20262411 AMAQI
11th Sep 20263412 PMAQI
11th Sep 2026301 PMAQI
11th Sep 2026382 PMAQI
11th Sep 2026563 PMAQI
11th Sep 2026514 PMAQI
11th Sep 2026275 PMAQI
11th Sep 2026116 PMAQI
11th Sep 202677 PMAQI
11th Sep 202678 PMAQI
11th Sep 2026149 PMAQI
11th Sep 20261810 PMAQI
11th Sep 20262411 PMAQI
12th Sep 20262312 AMAQI
12th Sep 2026251 AMAQI
12th Sep 2026272 AMAQI
12th Sep 2026323 AMAQI
12th Sep 2026384 AMAQI
12th Sep 2026355 AMAQI
12th Sep 2026366 AMAQI

18°C15/23°C

12th Sep 2026357 AMAQI
12th Sep 2026338 AMAQI
12th Sep 2026319 AMAQI
12th Sep 20262610 AMAQI
12th Sep 20262711 AMAQI
12th Sep 20262112 PMAQI
12th Sep 2026261 PMAQI
12th Sep 2026242 PMAQI
12th Sep 2026203 PMAQI
12th Sep 2026214 PMAQI
12th Sep 2026175 PMAQI
12th Sep 2026246 PMAQI
12th Sep 2026177 PMAQI
12th Sep 2026178 PMAQI
12th Sep 2026189 PMAQI
12th Sep 20261711 PMAQI
13th Sep 20261612 AMAQI
13th Sep 2026161 AMAQI
13th Sep 2026162 AMAQI
13th Sep 2026163 AMAQI
13th Sep 2026184 AMAQI
13th Sep 2026215 AMAQI
13th Sep 2026216 AMAQI

18°C14/24°C

13th Sep 2026227 AMAQI
13th Sep 2026218 AMAQI
13th Sep 2026229 AMAQI
13th Sep 20262210 AMAQI
13th Sep 20262211 AMAQI
13th Sep 20262012 PMAQI
13th Sep 2026221 PMAQI
13th Sep 2026222 PMAQI
13th Sep 2026223 PMAQI
13th Sep 2026204 PMAQI
13th Sep 2026225 PMAQI
13th Sep 2026276 PMAQI
13th Sep 2026307 PMAQI
13th Sep 2026228 PMAQI
13th Sep 2026229 PMAQI
13th Sep 20262410 PMAQI
13th Sep 20262311 PMAQI
14th Sep 20262412 AMAQI
14th Sep 2026231 AMAQI
14th Sep 2026272 AMAQI
14th Sep 2026503 AMAQI
14th Sep 2026494 AMAQI
14th Sep 2026375 AMAQI
14th Sep 2026446 AMAQI

18°C17/21°C

14th Sep 2026567 AMAQI
14th Sep 2026548 AMAQI
14th Sep 2026469 AMAQI
14th Sep 20264610 AMAQI
14th Sep 20264411 AMAQI
14th Sep 20263312 PMAQI
14th Sep 2026421 PMAQI
14th Sep 2026242 PMAQI
14th Sep 2026233 PMAQI
14th Sep 2026244 PMAQI
14th Sep 2026235 PMAQI
14th Sep 2026276 PMAQI
14th Sep 2026267 PMAQI
14th Sep 2026278 PMAQI
14th Sep 2026289 PMAQI
14th Sep 20262210 PMAQI
14th Sep 20262511 PMAQI
15th Sep 20262512 AMAQI
15th Sep 2026231 AMAQI
15th Sep 2026262 AMAQI
15th Sep 2026303 AMAQI
15th Sep 2026354 AMAQI
15th Sep 2026415 AMAQI
15th Sep 2026346 AMAQI

20°C17/24°C

15th Sep 2026487 AMAQI
15th Sep 2026338 AMAQI
15th Sep 2026369 AMAQI
15th Sep 20262710 AMAQI
15th Sep 20262411 AMAQI
15th Sep 20262612 PMAQI
15th Sep 2026241 PMAQI
15th Sep 2026242 PMAQI
15th Sep 2026223 PMAQI
15th Sep 2026244 PMAQI
15th Sep 2026265 PMAQI
15th Sep 2026256 PMAQI
15th Sep 2026247 PMAQI
15th Sep 2026298 PMAQI
15th Sep 2026229 PMAQI
15th Sep 20262110 PMAQI
15th Sep 20262211 PMAQI
16th Sep 20262512 AMAQI
16th Sep 2026241 AMAQI
16th Sep 2026252 AMAQI
16th Sep 2026223 AMAQI
16th Sep 2026224 AMAQI
16th Sep 2026415 AMAQI
16th Sep 2026406 AMAQI

21°C17/27°C

16th Sep 2026707 AMAQI
16th Sep 2026538 AMAQI
16th Sep 2026259 AMAQI
16th Sep 20262510 AMAQI
16th Sep 20262511 AMAQI
16th Sep 20263312 PMAQI
16th Sep 2026351 PMAQI
16th Sep 2026242 PMAQI
16th Sep 2026313 PMAQI
16th Sep 2026344 PMAQI
16th Sep 2026315 PMAQI
16th Sep 2026286 PMAQI
16th Sep 2026297 PMAQI
16th Sep 2026278 PMAQI
16th Sep 2026329 PMAQI
16th Sep 20262910 PMAQI
16th Sep 20262611 PMAQI
17th Sep 20262912 AMAQI
17th Sep 2026511 AMAQI
17th Sep 2026592 AMAQI
17th Sep 2026583 AMAQI
17th Sep 2026594 AMAQI
17th Sep 2026405 AMAQI
17th Sep 2026456 AMAQI

17°C14/20°C

17th Sep 2026397 AMAQI
17th Sep 2026508 AMAQI
17th Sep 2026259 AMAQI
17th Sep 20262610 AMAQI
17th Sep 20263111 AMAQI
17th Sep 20262912 PMAQI
17th Sep 2026421 PMAQI
17th Sep 2026342 PMAQI
17th Sep 2026623 PMAQI
17th Sep 2026764 PMAQI
17th Sep 2026865 PMAQI
17th Sep 2026706 PMAQI
17th Sep 2026827 PMAQI
17th Sep 2026728 PMAQI
17th Sep 2026589 PMAQI
17th Sep 20263710 PMAQI
17th Sep 20266111 PMAQI
18th Sep 20266912 AMAQI
18th Sep 2026991 AMAQI
18th Sep 2026592 AMAQI
18th Sep 2026443 AMAQI
18th Sep 2026434 AMAQI
18th Sep 2026225 AMAQI
18th Sep 2026236 AMAQI

16°C14/19°C

18th Sep 2026247 AMAQI
18th Sep 2026268 AMAQI
18th Sep 2026379 AMAQI
18th Sep 20264210 AMAQI
18th Sep 20263411 AMAQI
18th Sep 20262512 PMAQI
18th Sep 2026221 PMAQI
18th Sep 2026222 PMAQI
18th Sep 2026223 PMAQI
18th Sep 2026234 PMAQI
18th Sep 2026245 PMAQI
18th Sep 2026266 PMAQI
18th Sep 2026267 PMAQI
18th Sep 2026288 PMAQI
18th Sep 2026309 PMAQI
18th Sep 20264110 PMAQI
18th Sep 20267211 PMAQI
19th Sep 20269112 AMAQI
19th Sep 2026931 AMAQI
19th Sep 2026852 AMAQI
19th Sep 2026893 AMAQI
19th Sep 2026984 AMAQI
19th Sep 2026795 AMAQI
19th Sep 2026796 AMAQI

16°C12/20°C

19th Sep 2026837 AMAQI
19th Sep 2026578 AMAQI
19th Sep 2026389 AMAQI
19th Sep 20263810 AMAQI
19th Sep 20263211 AMAQI
19th Sep 20263812 PMAQI
19th Sep 2026371 PMAQI
19th Sep 2026442 PMAQI
19th Sep 2026663 PMAQI
19th Sep 2026844 PMAQI
19th Sep 2026645 PMAQI
19th Sep 2026586 PMAQI
19th Sep 2026777 PMAQI
19th Sep 20261038 PMAQI
19th Sep 20261209 PMAQI
19th Sep 202612010 PMAQI
19th Sep 20264111 PMAQI
20th Sep 20263212 AMAQI
20th Sep 2026251 AMAQI
20th Sep 2026452 AMAQI
20th Sep 2026463 AMAQI
20th Sep 2026304 AMAQI
20th Sep 2026265 AMAQI
20th Sep 2026326 AMAQI

18°C16/23°C

20th Sep 2026457 AMAQI
20th Sep 2026758 AMAQI
20th Sep 2026819 AMAQI
20th Sep 20265210 AMAQI
20th Sep 20262111 AMAQI
20th Sep 20262112 PMAQI
20th Sep 2026271 PMAQI
20th Sep 2026252 PMAQI
20th Sep 2026203 PMAQI
20th Sep 2026204 PMAQI
20th Sep 2026245 PMAQI
20th Sep 2026206 PMAQI
20th Sep 2026207 PMAQI
20th Sep 2026218 PMAQI
20th Sep 2026239 PMAQI
20th Sep 20262110 PMAQI
20th Sep 20262411 PMAQI
21st Sep 20262212 AMAQI
21st Sep 2026251 AMAQI
21st Sep 2026272 AMAQI
21st Sep 2026303 AMAQI
21st Sep 2026304 AMAQI
21st Sep 2026275 AMAQI
21st Sep 2026326 AMAQI

18°C15/20°C

21st Sep 2026257 AMAQI
21st Sep 2026328 AMAQI
21st Sep 2026419 AMAQI
21st Sep 20264510 AMAQI
21st Sep 20264511 AMAQI
21st Sep 20263512 PMAQI
21st Sep 2026391 PMAQI
21st Sep 2026282 PMAQI
21st Sep 2026243 PMAQI
21st Sep 2026214 PMAQI
21st Sep 2026225 PMAQI
21st Sep 2026266 PMAQI
21st Sep 2026237 PMAQI
21st Sep 2026278 PMAQI
21st Sep 2026259 PMAQI
21st Sep 20262910 PMAQI
21st Sep 20262411 PMAQI
22nd Sep 20262812 AMAQI
22nd Sep 2026381 AMAQI
22nd Sep 2026372 AMAQI
22nd Sep 2026393 AMAQI
22nd Sep 2026374 AMAQI
22nd Sep 2026455 AMAQI
22nd Sep 2026366 AMAQI

16°C13/21°C

22nd Sep 2026407 AMAQI
22nd Sep 2026428 AMAQI
22nd Sep 2026449 AMAQI
22nd Sep 20264710 AMAQI
22nd Sep 20264811 AMAQI
22nd Sep 20265012 PMAQI
22nd Sep 2026441 PMAQI
22nd Sep 2026432 PMAQI
22nd Sep 2026363 PMAQI
22nd Sep 2026264 PMAQI
22nd Sep 2026335 PMAQI
22nd Sep 2026346 PMAQI
22nd Sep 2026267 PMAQI
22nd Sep 2026268 PMAQI
22nd Sep 2026389 PMAQI
22nd Sep 20263210 PMAQI
22nd Sep 20264011 PMAQI
23rd Sep 20264512 AMAQI
23rd Sep 2026411 AMAQI
23rd Sep 2026362 AMAQI
23rd Sep 2026343 AMAQI
23rd Sep 2026374 AMAQI
23rd Sep 2026415 AMAQI
23rd Sep 2026436 AMAQI

18°C14/23°C

23rd Sep 2026457 AMAQI
23rd Sep 2026458 AMAQI
23rd Sep 2026459 AMAQI
23rd Sep 20264310 AMAQI
23rd Sep 20264711 AMAQI
23rd Sep 20264312 PMAQI
23rd Sep 2026391 PMAQI
23rd Sep 2026472 PMAQI
23rd Sep 2026503 PMAQI
23rd Sep 2026454 PMAQI
23rd Sep 2026435 PMAQI
23rd Sep 2026456 PMAQI
23rd Sep 2026317 PMAQI
23rd Sep 2026278 PMAQI
23rd Sep 2026259 PMAQI
23rd Sep 20263410 PMAQI
23rd Sep 20263511 PMAQI
24th Sep 20264412 AMAQI
24th Sep 2026391 AMAQI
24th Sep 2026362 AMAQI
24th Sep 2026393 AMAQI
24th Sep 2026374 AMAQI
24th Sep 2026285 AMAQI
24th Sep 2026306 AMAQI

18°C14/24°C

24th Sep 2026307 AMAQI
24th Sep 2026268 AMAQI
24th Sep 2026249 AMAQI
24th Sep 20262610 AMAQI
24th Sep 20263611 AMAQI
24th Sep 20263412 PMAQI
24th Sep 2026291 PMAQI
24th Sep 2026392 PMAQI
24th Sep 2026263 PMAQI
24th Sep 2026244 PMAQI
24th Sep 2026385 PMAQI
24th Sep 2026266 PMAQI
24th Sep 2026277 PMAQI
24th Sep 2026268 PMAQI
24th Sep 2026289 PMAQI
24th Sep 20263710 PMAQI
24th Sep 20263111 PMAQI
25th Sep 20263812 AMAQI
25th Sep 2026411 AMAQI
25th Sep 2026442 AMAQI
25th Sep 2026453 AMAQI
25th Sep 2026484 AMAQI
25th Sep 2026385 AMAQI
25th Sep 2026356 AMAQI

17°C13/21°C

25th Sep 2026367 AMAQI
25th Sep 2026398 AMAQI
25th Sep 2026409 AMAQI
25th Sep 20263910 AMAQI
25th Sep 20263011 AMAQI
25th Sep 20263212 PMAQI
25th Sep 2026361 PMAQI
25th Sep 2026452 PMAQI
25th Sep 2026243 PMAQI
25th Sep 2026234 PMAQI
25th Sep 2026245 PMAQI
25th Sep 2026236 PMAQI
25th Sep 2026287 PMAQI
25th Sep 2026268 PMAQI
25th Sep 2026249 PMAQI
25th Sep 20262410 PMAQI
25th Sep 20262311 PMAQI
26th Sep 20264512 AMAQI
26th Sep 2026261 AMAQI
26th Sep 2026312 AMAQI
26th Sep 2026403 AMAQI
26th Sep 2026524 AMAQI
26th Sep 2026415 AMAQI
26th Sep 2026536 AMAQI

19°C13/26°C

26th Sep 2026597 AMAQI
26th Sep 2026698 AMAQI
26th Sep 2026649 AMAQI
26th Sep 20265310 AMAQI
26th Sep 20264511 AMAQI
26th Sep 20263612 PMAQI
26th Sep 2026301 PMAQI
26th Sep 2026262 PMAQI
26th Sep 2026223 PMAQI
26th Sep 2026234 PMAQI
26th Sep 2026335 PMAQI
26th Sep 2026416 PMAQI
26th Sep 2026307 PMAQI
26th Sep 2026258 PMAQI
26th Sep 2026239 PMAQI
26th Sep 20262510 PMAQI
26th Sep 20262211 PMAQI
27th Sep 20261912 AMAQI
27th Sep 2026201 AMAQI
27th Sep 2026202 AMAQI
27th Sep 2026243 AMAQI
27th Sep 2026274 AMAQI
27th Sep 2026305 AMAQI
27th Sep 2026376 AMAQI

18°C16/21°C

27th Sep 2026367 AMAQI
27th Sep 2026438 AMAQI
27th Sep 2026459 AMAQI
27th Sep 20264410 AMAQI
27th Sep 20264911 AMAQI
27th Sep 20265212 PMAQI
27th Sep 2026541 PMAQI
27th Sep 2026642 PMAQI
27th Sep 2026683 PMAQI
27th Sep 2026614 PMAQI
27th Sep 2026525 PMAQI
27th Sep 2026486 PMAQI
27th Sep 2026397 PMAQI
27th Sep 2026318 PMAQI
27th Sep 2026369 PMAQI
27th Sep 20264310 PMAQI
27th Sep 20263811 PMAQI
28th Sep 20263812 AMAQI
28th Sep 2026361 AMAQI
28th Sep 2026402 AMAQI
28th Sep 2026293 AMAQI
28th Sep 2026274 AMAQI
28th Sep 2026235 AMAQI
28th Sep 2026246 AMAQI

19°C14/25°C

28th Sep 2026277 AMAQI
28th Sep 2026258 AMAQI
28th Sep 2026349 AMAQI
28th Sep 20263110 AMAQI
28th Sep 20263911 AMAQI
28th Sep 20264312 PMAQI
28th Sep 2026451 PMAQI
28th Sep 2026452 PMAQI
28th Sep 2026313 PMAQI
28th Sep 2026264 PMAQI
28th Sep 2026285 PMAQI
28th Sep 2026306 PMAQI
28th Sep 2026257 PMAQI
28th Sep 2026288 PMAQI
28th Sep 2026429 PMAQI
28th Sep 20264310 PMAQI
28th Sep 20265411 PMAQI
29th Sep 20265212 AMAQI
29th Sep 2026551 AMAQI
29th Sep 2026542 AMAQI
29th Sep 2026573 AMAQI
29th Sep 2026584 AMAQI
29th Sep 2026625 AMAQI
29th Sep 2026646 AMAQI

18°C16/19°C

29th Sep 2026647 AMAQI
29th Sep 2026658 AMAQI
29th Sep 2026689 AMAQI
29th Sep 20267210 AMAQI
29th Sep 20267411 AMAQI
29th Sep 20267812 PMAQI
29th Sep 2026821 PMAQI
29th Sep 2026802 PMAQI
29th Sep 2026803 PMAQI
29th Sep 2026754 PMAQI
29th Sep 2026655 PMAQI
29th Sep 2026576 PMAQI
29th Sep 2026467 PMAQI
29th Sep 2026358 PMAQI
29th Sep 2026389 PMAQI
29th Sep 20262910 PMAQI
29th Sep 20263311 PMAQI
30th Sep 20262912 AMAQI
30th Sep 2026301 AMAQI
30th Sep 2026282 AMAQI
30th Sep 2026303 AMAQI
30th Sep 2026294 AMAQI
30th Sep 2026265 AMAQI
30th Sep 2026216 AMAQI

21°C16/28°C

30th Sep 2026227 AMAQI
30th Sep 2026248 AMAQI
30th Sep 2026279 AMAQI
30th Sep 20262710 AMAQI
30th Sep 20262511 AMAQI
30th Sep 20262512 PMAQI
30th Sep 2026281 PMAQI
30th Sep 2026232 PMAQI
30th Sep 2026233 PMAQI
30th Sep 2026254 PMAQI
30th Sep 2026225 PMAQI
30th Sep 2026206 PMAQI
30th Sep 2026227 PMAQI
30th Sep 2026218 PMAQI
30th Sep 2026259 PMAQI
30th Sep 20262810 PMAQI
30th Sep 20262911 PMAQI
1st Oct 20262412 AMAQI
1st Oct 2026251 AMAQI
1st Oct 2026272 AMAQI
1st Oct 2026213 AMAQI
1st Oct 2026204 AMAQI
1st Oct 2026155 AMAQI
1st Oct 2026186 AMAQI

20°C19/22°C

1st Oct 2026197 AMAQI
1st Oct 2026258 AMAQI
1st Oct 2026309 AMAQI
1st Oct 20263010 AMAQI
1st Oct 20262811 AMAQI
1st Oct 20262512 PMAQI
1st Oct 2026241 PMAQI
1st Oct 2026252 PMAQI
1st Oct 2026213 PMAQI
1st Oct 2026244 PMAQI
1st Oct 2026295 PMAQI
1st Oct 2026336 PMAQI
1st Oct 2026307 PMAQI
1st Oct 2026268 PMAQI
1st Oct 2026289 PMAQI
1st Oct 20262410 PMAQI
1st Oct 20263211 PMAQI
2nd Oct 20262612 AMAQI
2nd Oct 2026291 AMAQI
2nd Oct 2026502 AMAQI
2nd Oct 2026513 AMAQI
2nd Oct 2026534 AMAQI
2nd Oct 2026235 AMAQI
2nd Oct 2026306 AMAQI

18°C15/21°C

2nd Oct 2026317 AMAQI
7 AM
2nd Oct 2026328 AMAQI
2nd Oct 2026429 AMAQI
2nd Oct 20263410 AMAQI
2nd Oct 20263111 AMAQI
2nd Oct 20263412 PMAQI
2nd Oct 2026331 PMAQI
1 PM
2nd Oct 2026352 PMAQI
2nd Oct 2026403 PMAQI
2nd Oct 2026304 PMAQI
2nd Oct 2026285 PMAQI
2nd Oct 2026226 PMAQI
2nd Oct 2026297 PMAQI
7 PM
2nd Oct 2026358 PMAQI
2nd Oct 2026229 PMAQI
2nd Oct 20262210 PMAQI
2nd Oct 20262911 PMAQI
1 AM
6 AM

16°C13/20°C

Day time
Avg. Highest Time
7 AM - 10 AM

39AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM

29AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 10 AM (Avg. 39), while the lowest AQI was between 7 PM to 7 PM (Avg. 29).
Night time
Avg. Highest Time
3 AM - 4 AM

37AQI

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

29AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 4 AM (Avg. 37), while the lowest AQI was between 8 PM to 9 PM (Avg. 29).

2026 Days Vs Air Quality

Harelbeke, Flanders, Belgium

2026

78%

211

21%

57

1%

3

Total number of days with different AQI categories in last 275 days in 2026 (90 days remaining)

Good
211 Days
Moderate
57 Days
Poor
3 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 78%

Health Risk Level:

Low

In 2026, 78% of 275 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

Harelbeke, Flanders, Belgium

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
27AQI (US)
2nd January 2026
18AQI (US)
3rd January 2026
22AQI (US)
4th January 2026
23AQI (US)
5th January 2026
48AQI (US)
6th January 2026
42AQI (US)
7th January 2026
59AQI (US)
8th January 2026
54AQI (US)
9th January 2026
15AQI (US)
10th January 2026
42AQI (US)
11th January 2026
74AQI (US)
12th January 2026
27AQI (US)
13th January 2026
29AQI (US)
14th January 2026
50AQI (US)
15th January 2026
30AQI (US)
16th January 2026
24AQI (US)
17th January 2026
50AQI (US)
18th January 2026
70AQI (US)
19th January 2026
73AQI (US)
20th January 2026
62AQI (US)
21st January 2026
30AQI (US)
22nd January 2026
61AQI (US)
23rd January 2026
33AQI (US)
24th January 2026
30AQI (US)
25th January 2026
73AQI (US)
26th January 2026
131AQI (US)
27th January 2026
50AQI (US)
28th January 2026
61AQI (US)
29th January 2026
72AQI (US)
30th January 2026
39AQI (US)
31st January 2026
28AQI (US)
1st February 2026
59AQI (US)
2nd February 2026
64AQI (US)
3rd February 2026
77AQI (US)
4th February 2026
25AQI (US)
5th February 2026
74AQI (US)
6th February 2026
61AQI (US)
7th February 2026
24AQI (US)
8th February 2026
36AQI (US)
9th February 2026
63AQI (US)
10th February 2026
39AQI (US)
11th February 2026
23AQI (US)
12th February 2026
32AQI (US)
13th February 2026
56AQI (US)
14th February 2026
43AQI (US)
15th February 2026
58AQI (US)
16th February 2026
22AQI (US)
17th February 2026
24AQI (US)
18th February 2026
49AQI (US)
19th February 2026
50AQI (US)
20th February 2026
55AQI (US)
21st February 2026
31AQI (US)
22nd February 2026
17AQI (US)
23rd February 2026
30AQI (US)
24th February 2026
35AQI (US)
25th February 2026
45AQI (US)
26th February 2026
64AQI (US)
27th February 2026
54AQI (US)
28th February 2026
17AQI (US)
1st March 2026
30AQI (US)
2nd March 2026
38AQI (US)
3rd March 2026
73AQI (US)
4th March 2026
71AQI (US)
5th March 2026
64AQI (US)
6th March 2026
76AQI (US)
7th March 2026
116AQI (US)
8th March 2026
105AQI (US)
9th March 2026
82AQI (US)
10th March 2026
58AQI (US)
11th March 2026
28AQI (US)
12th March 2026
22AQI (US)
13th March 2026
26AQI (US)
14th March 2026
28AQI (US)
15th March 2026
37AQI (US)
16th March 2026
18AQI (US)
17th March 2026
25AQI (US)
18th March 2026
30AQI (US)
19th March 2026
74AQI (US)
20th March 2026
96AQI (US)
21st March 2026
47AQI (US)
22nd March 2026
77AQI (US)
23rd March 2026
93AQI (US)
24th March 2026
95AQI (US)
25th March 2026
25AQI (US)
26th March 2026
12AQI (US)
27th March 2026
42AQI (US)
28th March 2026
15AQI (US)
29th March 2026
15AQI (US)
30th March 2026
23AQI (US)
31st March 2026
27AQI (US)
1st April 2026
67AQI (US)
2nd April 2026
47AQI (US)
3rd April 2026
24AQI (US)
4th April 2026
24AQI (US)
5th April 2026
27AQI (US)
6th April 2026
25AQI (US)
7th April 2026
25AQI (US)
8th April 2026
43AQI (US)
9th April 2026
57AQI (US)
10th April 2026
19AQI (US)
11th April 2026
29AQI (US)
12th April 2026
26AQI (US)
13th April 2026
33AQI (US)
14th April 2026
35AQI (US)
15th April 2026
34AQI (US)
16th April 2026
18AQI (US)
17th April 2026
18th April 2026
41AQI (US)
19th April 2026
24AQI (US)
20th April 2026
17AQI (US)
21st April 2026
52AQI (US)
22nd April 2026
23rd April 2026
54AQI (US)
24th April 2026
51AQI (US)
25th April 2026
58AQI (US)
26th April 2026
37AQI (US)
27th April 2026
30AQI (US)
28th April 2026
27AQI (US)
29th April 2026
21AQI (US)
30th April 2026
17AQI (US)
1st May 2026
24AQI (US)
2nd May 2026
57AQI (US)
3rd May 2026
38AQI (US)
4th May 2026
73AQI (US)
5th May 2026
52AQI (US)
6th May 2026
24AQI (US)
7th May 2026
51AQI (US)
8th May 2026
52AQI (US)
9th May 2026
10th May 2026
42AQI (US)
11th May 2026
18AQI (US)
12th May 2026
18AQI (US)
13th May 2026
23AQI (US)
14th May 2026
20AQI (US)
15th May 2026
28AQI (US)
16th May 2026
36AQI (US)
17th May 2026
36AQI (US)
18th May 2026
34AQI (US)
19th May 2026
32AQI (US)
20th May 2026
33AQI (US)
21st May 2026
33AQI (US)
22nd May 2026
34AQI (US)
23rd May 2026
38AQI (US)
24th May 2026
54AQI (US)
25th May 2026
38AQI (US)
26th May 2026
25AQI (US)
27th May 2026
47AQI (US)
28th May 2026
25AQI (US)
29th May 2026
49AQI (US)
30th May 2026
61AQI (US)
31st May 2026
35AQI (US)
1st June 2026
22AQI (US)
2nd June 2026
24AQI (US)
3rd June 2026
24AQI (US)
4th June 2026
23AQI (US)
5th June 2026
26AQI (US)
6th June 2026
21AQI (US)
7th June 2026
22AQI (US)
8th June 2026
21AQI (US)
9th June 2026
21AQI (US)
10th June 2026
22AQI (US)
11th June 2026
22AQI (US)
12th June 2026
20AQI (US)
13th June 2026
22AQI (US)
14th June 2026
20AQI (US)
15th June 2026
40AQI (US)
16th June 2026
50AQI (US)
17th June 2026
27AQI (US)
18th June 2026
18AQI (US)
19th June 2026
45AQI (US)
20th June 2026
27AQI (US)
21st June 2026
51AQI (US)
22nd June 2026
65AQI (US)
23rd June 2026
56AQI (US)
24th June 2026
44AQI (US)
25th June 2026
63AQI (US)
26th June 2026
60AQI (US)
27th June 2026
38AQI (US)
28th June 2026
34AQI (US)
29th June 2026
9AQI (US)
30th June 2026
20AQI (US)
1st July 2026
21AQI (US)
2nd July 2026
18AQI (US)
3rd July 2026
17AQI (US)
4th July 2026
24AQI (US)
5th July 2026
13AQI (US)
6th July 2026
25AQI (US)
7th July 2026
12AQI (US)
8th July 2026
36AQI (US)
9th July 2026
42AQI (US)
10th July 2026
60AQI (US)
11th July 2026
50AQI (US)
12th July 2026
38AQI (US)
13th July 2026
29AQI (US)
14th July 2026
50AQI (US)
15th July 2026
42AQI (US)
16th July 2026
46AQI (US)
17th July 2026
61AQI (US)
18th July 2026
50AQI (US)
19th July 2026
24AQI (US)
20th July 2026
28AQI (US)
21st July 2026
25AQI (US)
22nd July 2026
28AQI (US)
23rd July 2026
27AQI (US)
24th July 2026
29AQI (US)
25th July 2026
46AQI (US)
26th July 2026
24AQI (US)
27th July 2026
25AQI (US)
28th July 2026
29AQI (US)
29th July 2026
37AQI (US)
30th July 2026
39AQI (US)
31st July 2026
34AQI (US)
1st August 2026
33AQI (US)
2nd August 2026
32AQI (US)
3rd August 2026
30AQI (US)
4th August 2026
41AQI (US)
5th August 2026
30AQI (US)
6th August 2026
22AQI (US)
7th August 2026
31AQI (US)
8th August 2026
25AQI (US)
9th August 2026
33AQI (US)
10th August 2026
33AQI (US)
11th August 2026
28AQI (US)
12th August 2026
28AQI (US)
13th August 2026
32AQI (US)
14th August 2026
42AQI (US)
15th August 2026
54AQI (US)
16th August 2026
26AQI (US)
17th August 2026
35AQI (US)
18th August 2026
37AQI (US)
19th August 2026
40AQI (US)
20th August 2026
35AQI (US)
21st August 2026
24AQI (US)
22nd August 2026
25AQI (US)
23rd August 2026
35AQI (US)
24th August 2026
27AQI (US)
25th August 2026
29AQI (US)
26th August 2026
34AQI (US)
27th August 2026
43AQI (US)
28th August 2026
39AQI (US)
29th August 2026
24AQI (US)
30th August 2026
53AQI (US)
31st August 2026
21AQI (US)
1st September 2026
25AQI (US)
2nd September 2026
35AQI (US)
3rd September 2026
36AQI (US)
4th September 2026
17AQI (US)
5th September 2026
25AQI (US)
6th September 2026
26AQI (US)
7th September 2026
29AQI (US)
8th September 2026
30AQI (US)
9th September 2026
23AQI (US)
10th September 2026
36AQI (US)
11th September 2026
28AQI (US)
12th September 2026
26AQI (US)
13th September 2026
21AQI (US)
14th September 2026
34AQI (US)
15th September 2026
28AQI (US)
16th September 2026
31AQI (US)
17th September 2026
51AQI (US)
18th September 2026
37AQI (US)
19th September 2026
71AQI (US)
20th September 2026
32AQI (US)
21st September 2026
30AQI (US)
22nd September 2026
38AQI (US)
23rd September 2026
40AQI (US)
24th September 2026
32AQI (US)
25th September 2026
34AQI (US)
26th September 2026
38AQI (US)
27th September 2026
41AQI (US)
28th September 2026
34AQI (US)
29th September 2026
60AQI (US)
30th September 2026
25AQI (US)
1st October 2026
25AQI (US)
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

47AQI (US)

44AQI (US)

51AQI (US)

34AQI (US)

38AQI (US)

32AQI (US)

33AQI (US)

33AQI (US)

34AQI (US)

25AQI (US)

No. of days

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

202638AQI (US)

20
10
1
17
11
18
11
2
22
6
23
7
25
5
29
2
29
2
27
3
1
211
57
3

Highest AQI (US) recorded in

March

51AQI (US)

Lowest AQI (US) recorded in

October

25AQI (US)

202545AQI (US)

16
14
1
7
18
3
12
14
5
15
15
28
3
28
2
31
29
2
29
1
17
14
18
12
13
18
243
113
9

Highest AQI (US) recorded in

February

71AQI (US)

Lowest AQI (US) recorded in

September

25AQI (US)

202440AQI (US)

14
17
23
6
22
8
1
30
20
11
26
4
30
1
29
2
23
7
23
8
15
15
23
8
278
87
1

Highest AQI (US) recorded in

January

53AQI (US)

Lowest AQI (US) recorded in

April

25AQI (US)

202341AQI (US)

2
1
24
7
15
15
15
16
13
17
28
3
29
2
21
9
26
5
22
7
21
10
216
92

Highest AQI (US) recorded in

April

52AQI (US)

Lowest AQI (US) recorded in

July

29AQI (US)

202247AQI (US)

11
15
4
19
2
7
15
9
18
11
1
22
9
23
7
23
1
2
27
2
23
6
4
179
68
14

Highest AQI (US) recorded in

March

81AQI (US)

Lowest AQI (US) recorded in

November

28AQI (US)

202153AQI (US)

12
16
1
8
19
13
15
3
14
13
3
23
8
14
16
19
12
29
2
13
17
23
7
1
14
15
1
15
16
197
156
9

Highest AQI (US) recorded in

March

64AQI (US)

Lowest AQI (US) recorded in

August

37AQI (US)

202046AQI (US)

6
6
2
4
16
1
16
2
24
6
30
1
21
10
23
6
1
28
3
14
11
5
21
7
2
187
68
11

Highest AQI (US) recorded in

April

67AQI (US)

Lowest AQI (US) recorded in

July

30AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2021(Avg.)
53AQI (US)
Least Polluted Year Recorded
2026(Avg.)
38AQI (US)

Harelbeke's annual 2026 AQI (US) (38) shows an average percentage change of -15.4% (improved AQI (US)) compared to previous years: 2020 (46), 2021 (53), 2022 (47), 2023 (41), 2024 (40), 2025 (45).