Uccle, Anderlecht, Brussels Capital Region, 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
Uccle, Anderlecht, Brussels Capital Region, Belgium
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
10th Oct 2021
88AQILowest AQI recorded on
19th Oct 2023
11AQISame Day Analysis (17th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 47 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 17th Oct - 18th Oct 2025
Uccle, Anderlecht, Brussels Capital Region, Belgium
AQI
Day
Night
.
7 AM17th Oct 2025
7 PM
6 AM18th Oct 2025
Day time
Avg. Highest Time
5PM17th Oct
54AQI
Avg. Lowest Time
10AM17th Oct
42AQI
Night time
Avg. Highest Time
4AM18th Oct
72AQI
Avg. Lowest Time
7PM17th Oct
47AQI
In the last 24 hours,
Uccle's AQI reached its highest point of 72 at 4 AM during the Night, while the lowest point, 42, was recorded at 10 AM during the Day between 17th Oct and 18th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Uccle, Anderlecht, Brussels Capital Region, Belgium
SepOct
18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th
Day
Night
18th Sep 2025127 AMAQI
18th Sep 2025148 AMAQI
18th Sep 2025139 AMAQI
18th Sep 20251510 AMAQI
18th Sep 20251311 AMAQI
18th Sep 20251312 PMAQI
18th Sep 2025141 PMAQI
18th Sep 2025142 PMAQI
18th Sep 2025163 PMAQI
18th Sep 2025164 PMAQI
18th Sep 2025165 PMAQI
18th Sep 2025166 PMAQI
18th Sep 2025157 PMAQI
18th Sep 2025158 PMAQI
18th Sep 2025159 PMAQI
18th Sep 20251610 PMAQI
18th Sep 20251611 PMAQI
19th Sep 20251712 AMAQI
19th Sep 2025161 AMAQI
19th Sep 2025162 AMAQI
19th Sep 2025163 AMAQI
19th Sep 2025164 AMAQI
19th Sep 2025185 AMAQI
19th Sep 2025236 AMAQI
19°C14/25°C
19th Sep 2025217 AMAQI
19th Sep 2025208 AMAQI
19th Sep 2025209 AMAQI
19th Sep 20252010 AMAQI
19th Sep 20252011 AMAQI
19th Sep 20252212 PMAQI
19th Sep 2025191 PMAQI
19th Sep 2025182 PMAQI
19th Sep 2025183 PMAQI
19th Sep 2025184 PMAQI
19th Sep 2025185 PMAQI
19th Sep 2025186 PMAQI
19th Sep 2025187 PMAQI
19th Sep 2025178 PMAQI
19th Sep 2025189 PMAQI
19th Sep 20252010 PMAQI
19th Sep 20251911 PMAQI
20th Sep 20252012 AMAQI
20th Sep 2025191 AMAQI
20th Sep 2025182 AMAQI
20th Sep 2025193 AMAQI
20th Sep 2025184 AMAQI
20th Sep 2025185 AMAQI
20th Sep 2025196 AMAQI
21°C14/29°C
20th Sep 2025197 AMAQI
20th Sep 2025198 AMAQI
20th Sep 2025209 AMAQI
20th Sep 20252110 AMAQI
20th Sep 20252211 AMAQI
20th Sep 20252312 PMAQI
20th Sep 2025231 PMAQI
20th Sep 2025222 PMAQI
20th Sep 2025223 PMAQI
20th Sep 2025224 PMAQI
20th Sep 2025225 PMAQI
20th Sep 2025226 PMAQI
20th Sep 2025207 PMAQI
20th Sep 2025208 PMAQI
20th Sep 2025229 PMAQI
20th Sep 20252110 PMAQI
20th Sep 20252111 PMAQI
21st Sep 20252112 AMAQI
21st Sep 2025211 AMAQI
21st Sep 2025272 AMAQI
21st Sep 2025303 AMAQI
21st Sep 2025284 AMAQI
21st Sep 2025195 AMAQI
21st Sep 2025166 AMAQI
21°C19/26°C
21st Sep 2025147 AMAQI
21st Sep 2025158 AMAQI
21st Sep 2025149 AMAQI
21st Sep 20251410 AMAQI
21st Sep 20251311 AMAQI
21st Sep 20251312 PMAQI
21st Sep 2025131 PMAQI
21st Sep 2025162 PMAQI
21st Sep 2025163 PMAQI
21st Sep 2025164 PMAQI
21st Sep 2025175 PMAQI
21st Sep 2025176 PMAQI
21st Sep 2025187 PMAQI
21st Sep 2025178 PMAQI
21st Sep 2025189 PMAQI
21st Sep 20251910 PMAQI
21st Sep 20251911 PMAQI
22nd Sep 20252012 AMAQI
22nd Sep 2025201 AMAQI
22nd Sep 2025152 AMAQI
22nd Sep 2025143 AMAQI
22nd Sep 2025134 AMAQI
22nd Sep 2025145 AMAQI
22nd Sep 2025146 AMAQI
14°C11/16°C
22nd Sep 2025137 AMAQI
22nd Sep 2025158 AMAQI
22nd Sep 2025149 AMAQI
22nd Sep 20251410 AMAQI
22nd Sep 20251211 AMAQI
22nd Sep 20251312 PMAQI
22nd Sep 2025141 PMAQI
22nd Sep 2025162 PMAQI
22nd Sep 2025163 PMAQI
22nd Sep 2025154 PMAQI
22nd Sep 2025155 PMAQI
22nd Sep 2025156 PMAQI
22nd Sep 2025157 PMAQI
22nd Sep 2025148 PMAQI
22nd Sep 2025169 PMAQI
22nd Sep 20251610 PMAQI
22nd Sep 20251611 PMAQI
23rd Sep 20251612 AMAQI
23rd Sep 2025161 AMAQI
23rd Sep 2025152 AMAQI
23rd Sep 2025123 AMAQI
23rd Sep 2025124 AMAQI
23rd Sep 2025115 AMAQI
23rd Sep 2025126 AMAQI
12°C9/16°C
23rd Sep 2025127 AMAQI
23rd Sep 2025128 AMAQI
23rd Sep 2025129 AMAQI
23rd Sep 20251610 AMAQI
23rd Sep 20251511 AMAQI
23rd Sep 20251612 PMAQI
23rd Sep 2025161 PMAQI
23rd Sep 2025152 PMAQI
23rd Sep 2025143 PMAQI
23rd Sep 2025144 PMAQI
23rd Sep 2025145 PMAQI
23rd Sep 2025146 PMAQI
23rd Sep 2025137 PMAQI
23rd Sep 2025148 PMAQI
23rd Sep 2025139 PMAQI
23rd Sep 20251410 PMAQI
23rd Sep 20251411 PMAQI
24th Sep 20251412 AMAQI
24th Sep 2025151 AMAQI
24th Sep 2025122 AMAQI
24th Sep 2025113 AMAQI
24th Sep 2025114 AMAQI
24th Sep 2025115 AMAQI
24th Sep 2025126 AMAQI
13°C9/18°C
24th Sep 2025127 AMAQI
24th Sep 2025138 AMAQI
24th Sep 2025159 AMAQI
24th Sep 20251410 AMAQI
24th Sep 20251411 AMAQI
24th Sep 20251212 PMAQI
24th Sep 2025141 PMAQI
24th Sep 2025122 PMAQI
24th Sep 2025133 PMAQI
24th Sep 2025144 PMAQI
24th Sep 2025135 PMAQI
24th Sep 2025146 PMAQI
24th Sep 2025147 PMAQI
24th Sep 2025138 PMAQI
24th Sep 2025139 PMAQI
24th Sep 20251410 PMAQI
24th Sep 20251411 PMAQI
25th Sep 20251412 AMAQI
25th Sep 2025141 AMAQI
25th Sep 2025132 AMAQI
25th Sep 2025123 AMAQI
25th Sep 2025104 AMAQI
25th Sep 2025115 AMAQI
25th Sep 2025116 AMAQI
13°C9/16°C
25th Sep 2025157 AMAQI
25th Sep 2025168 AMAQI
25th Sep 2025149 AMAQI
25th Sep 20251410 AMAQI
25th Sep 20251611 AMAQI
25th Sep 20251712 PMAQI
25th Sep 2025191 PMAQI
25th Sep 2025182 PMAQI
25th Sep 2025213 PMAQI
25th Sep 2025274 PMAQI
25th Sep 2025365 PMAQI
25th Sep 2025336 PMAQI
25th Sep 2025317 PMAQI
25th Sep 2025228 PMAQI
25th Sep 2025229 PMAQI
25th Sep 20252210 PMAQI
25th Sep 20252211 PMAQI
26th Sep 20251812 AMAQI
26th Sep 2025221 AMAQI
26th Sep 2025252 AMAQI
26th Sep 2025223 AMAQI
26th Sep 2025224 AMAQI
26th Sep 2025225 AMAQI
26th Sep 2025256 AMAQI
10°C9/11°C
26th Sep 2025287 AMAQI
26th Sep 2025298 AMAQI
26th Sep 2025389 AMAQI
26th Sep 20253810 AMAQI
26th Sep 20253711 AMAQI
26th Sep 20253212 PMAQI
26th Sep 2025271 PMAQI
26th Sep 2025282 PMAQI
26th Sep 2025223 PMAQI
26th Sep 2025144 PMAQI
26th Sep 2025145 PMAQI
26th Sep 2025166 PMAQI
26th Sep 2025177 PMAQI
26th Sep 2025168 PMAQI
26th Sep 2025109 PMAQI
26th Sep 2025610 PMAQI
26th Sep 20251111 PMAQI
27th Sep 20251212 AMAQI
27th Sep 2025221 AMAQI
27th Sep 2025272 AMAQI
27th Sep 2025283 AMAQI
27th Sep 2025334 AMAQI
27th Sep 2025345 AMAQI
27th Sep 2025436 AMAQI
13°C9/17°C
27th Sep 2025337 AMAQI
27th Sep 2025338 AMAQI
27th Sep 2025349 AMAQI
27th Sep 20254010 AMAQI
27th Sep 20255411 AMAQI
27th Sep 20256612 PMAQI
27th Sep 2025611 PMAQI
27th Sep 2025542 PMAQI
27th Sep 2025493 PMAQI
27th Sep 2025384 PMAQI
27th Sep 2025325 PMAQI
27th Sep 2025226 PMAQI
27th Sep 2025187 PMAQI
27th Sep 2025218 PMAQI
27th Sep 2025129 PMAQI
27th Sep 20252210 PMAQI
27th Sep 20252311 PMAQI
28th Sep 20252812 AMAQI
28th Sep 2025331 AMAQI
28th Sep 2025302 AMAQI
28th Sep 2025223 AMAQI
28th Sep 2025174 AMAQI
28th Sep 2025175 AMAQI
28th Sep 2025166 AMAQI
14°C10/19°C
28th Sep 2025137 AMAQI
28th Sep 2025118 AMAQI
28th Sep 2025119 AMAQI
28th Sep 20251510 AMAQI
28th Sep 20251711 AMAQI
28th Sep 20251812 PMAQI
28th Sep 2025121 PMAQI
28th Sep 2025112 PMAQI
28th Sep 2025113 PMAQI
28th Sep 2025344 PMAQI
28th Sep 2025385 PMAQI
28th Sep 2025336 PMAQI
28th Sep 2025117 PMAQI
28th Sep 202578 PMAQI
28th Sep 2025239 PMAQI
28th Sep 20252310 PMAQI
28th Sep 20252411 PMAQI
29th Sep 20252312 AMAQI
29th Sep 2025321 AMAQI
29th Sep 2025222 AMAQI
29th Sep 2025233 AMAQI
29th Sep 2025284 AMAQI
29th Sep 2025355 AMAQI
29th Sep 2025526 AMAQI
14°C8/20°C
29th Sep 2025387 AMAQI
29th Sep 2025348 AMAQI
29th Sep 2025419 AMAQI
29th Sep 20256510 AMAQI
29th Sep 20256411 AMAQI
29th Sep 20257212 PMAQI
29th Sep 2025851 PMAQI
29th Sep 2025782 PMAQI
29th Sep 2025623 PMAQI
29th Sep 2025524 PMAQI
29th Sep 2025435 PMAQI
29th Sep 2025366 PMAQI
29th Sep 2025207 PMAQI
29th Sep 2025168 PMAQI
29th Sep 2025169 PMAQI
29th Sep 20251210 PMAQI
29th Sep 20251011 PMAQI
30th Sep 20251012 AMAQI
30th Sep 2025111 AMAQI
30th Sep 2025112 AMAQI
30th Sep 2025123 AMAQI
30th Sep 2025134 AMAQI
30th Sep 2025175 AMAQI
30th Sep 2025186 AMAQI
14°C10/20°C
30th Sep 2025247 AMAQI
30th Sep 2025238 AMAQI
30th Sep 2025239 AMAQI
30th Sep 20253910 AMAQI
30th Sep 20256111 AMAQI
30th Sep 20252712 PMAQI
30th Sep 2025221 PMAQI
30th Sep 2025302 PMAQI
30th Sep 2025183 PMAQI
30th Sep 2025174 PMAQI
30th Sep 2025495 PMAQI
30th Sep 2025516 PMAQI
30th Sep 2025507 PMAQI
30th Sep 2025548 PMAQI
30th Sep 2025349 PMAQI
30th Sep 20253910 PMAQI
30th Sep 20252811 PMAQI
1st Oct 20252912 AMAQI
1st Oct 2025241 AMAQI
1st Oct 2025472 AMAQI
1st Oct 2025543 AMAQI
1st Oct 2025604 AMAQI
1st Oct 2025485 AMAQI
1st Oct 2025606 AMAQI
14°C10/19°C
1st Oct 2025597 AMAQI
1st Oct 2025598 AMAQI
1st Oct 2025709 AMAQI
1st Oct 20257510 AMAQI
1st Oct 20257211 AMAQI
1st Oct 20257012 PMAQI
1st Oct 2025851 PMAQI
1st Oct 2025872 PMAQI
1st Oct 2025723 PMAQI
1st Oct 2025624 PMAQI
1st Oct 2025545 PMAQI
1st Oct 2025516 PMAQI
1st Oct 2025427 PMAQI
1st Oct 2025338 PMAQI
1st Oct 2025329 PMAQI
1st Oct 20253210 PMAQI
1st Oct 20253111 PMAQI
2nd Oct 20254012 AMAQI
2nd Oct 2025471 AMAQI
2nd Oct 2025442 AMAQI
2nd Oct 2025473 AMAQI
2nd Oct 2025494 AMAQI
2nd Oct 2025485 AMAQI
2nd Oct 2025506 AMAQI
13°C9/19°C
2nd Oct 2025497 AMAQI
2nd Oct 2025468 AMAQI
2nd Oct 2025429 AMAQI
2nd Oct 20254110 AMAQI
2nd Oct 20254011 AMAQI
2nd Oct 20253812 PMAQI
2nd Oct 2025411 PMAQI
2nd Oct 2025422 PMAQI
2nd Oct 2025403 PMAQI
2nd Oct 2025364 PMAQI
2nd Oct 2025335 PMAQI
2nd Oct 2025326 PMAQI
2nd Oct 2025307 PMAQI
2nd Oct 2025318 PMAQI
2nd Oct 2025319 PMAQI
2nd Oct 20253910 PMAQI
2nd Oct 20253711 PMAQI
3rd Oct 20253312 AMAQI
3rd Oct 2025431 AMAQI
3rd Oct 2025382 AMAQI
3rd Oct 2025323 AMAQI
3rd Oct 2025324 AMAQI
3rd Oct 2025305 AMAQI
3rd Oct 2025316 AMAQI
13°C9/18°C
3rd Oct 2025337 AMAQI
3rd Oct 2025328 AMAQI
3rd Oct 2025429 AMAQI
3rd Oct 20255710 AMAQI
3rd Oct 20256711 AMAQI
3rd Oct 20256312 PMAQI
3rd Oct 2025531 PMAQI
3rd Oct 2025722 PMAQI
3rd Oct 2025433 PMAQI
3rd Oct 2025364 PMAQI
3rd Oct 2025445 PMAQI
3rd Oct 2025476 PMAQI
3rd Oct 2025497 PMAQI
3rd Oct 2025468 PMAQI
3rd Oct 2025469 PMAQI
3rd Oct 20254110 PMAQI
3rd Oct 20253911 PMAQI
4th Oct 20254012 AMAQI
4th Oct 2025391 AMAQI
4th Oct 2025432 AMAQI
4th Oct 2025403 AMAQI
4th Oct 2025414 AMAQI
4th Oct 2025385 AMAQI
4th Oct 2025386 AMAQI
12°C10/14°C
4th Oct 2025467 AMAQI
4th Oct 2025478 AMAQI
4th Oct 2025299 AMAQI
4th Oct 20251910 AMAQI
4th Oct 20252011 AMAQI
4th Oct 20252212 PMAQI
4th Oct 2025151 PMAQI
4th Oct 2025322 PMAQI
4th Oct 2025443 PMAQI
4th Oct 2025454 PMAQI
4th Oct 2025465 PMAQI
4th Oct 2025476 PMAQI
4th Oct 2025467 PMAQI
4th Oct 2025468 PMAQI
4th Oct 2025469 PMAQI
4th Oct 20254810 PMAQI
4th Oct 20255111 PMAQI
5th Oct 20254912 AMAQI
5th Oct 2025461 AMAQI
5th Oct 2025472 AMAQI
5th Oct 2025453 AMAQI
5th Oct 2025474 AMAQI
5th Oct 2025495 AMAQI
5th Oct 2025466 AMAQI
14°C12/18°C
5th Oct 2025447 AMAQI
5th Oct 2025508 AMAQI
5th Oct 2025459 AMAQI
5th Oct 20254610 AMAQI
5th Oct 20254311 AMAQI
5th Oct 20254612 PMAQI
5th Oct 2025461 PMAQI
5th Oct 2025432 PMAQI
5th Oct 2025403 PMAQI
5th Oct 2025394 PMAQI
5th Oct 2025425 PMAQI
5th Oct 2025426 PMAQI
5th Oct 2025477 PMAQI
5th Oct 2025438 PMAQI
5th Oct 2025429 PMAQI
5th Oct 20254010 PMAQI
5th Oct 20254611 PMAQI
6th Oct 20254812 AMAQI
6th Oct 2025471 AMAQI
6th Oct 2025482 AMAQI
6th Oct 2025483 AMAQI
6th Oct 2025444 AMAQI
6th Oct 2025475 AMAQI
6th Oct 2025406 AMAQI
12°C10/14°C
6th Oct 2025407 AMAQI
6th Oct 2025378 AMAQI
6th Oct 2025449 AMAQI
6th Oct 20254310 AMAQI
6th Oct 20254711 AMAQI
6th Oct 20255312 PMAQI
6th Oct 2025491 PMAQI
6th Oct 2025422 PMAQI
6th Oct 2025403 PMAQI
6th Oct 2025434 PMAQI
6th Oct 2025405 PMAQI
6th Oct 2025396 PMAQI
6th Oct 2025547 PMAQI
13°C9/16°C
7th Oct 2025431 PMAQI
7th Oct 2025422 PMAQI
7th Oct 2025443 PMAQI
7th Oct 2025434 PMAQI
7th Oct 2025545 PMAQI
7th Oct 2025546 PMAQI
7th Oct 2025547 PMAQI
7th Oct 2025558 PMAQI
7th Oct 2025559 PMAQI
7th Oct 20255710 PMAQI
7th Oct 20255311 PMAQI
8th Oct 20254012 AMAQI
8th Oct 2025461 AMAQI
8th Oct 2025492 AMAQI
8th Oct 2025503 AMAQI
8th Oct 2025434 AMAQI
8th Oct 2025545 AMAQI
8th Oct 2025546 AMAQI
15°C11/20°C
8th Oct 2025527 AMAQI
8th Oct 2025488 AMAQI
8th Oct 2025489 AMAQI
8th Oct 20255310 AMAQI
8th Oct 20255611 AMAQI
8th Oct 20255612 PMAQI
8th Oct 2025571 PMAQI
8th Oct 2025552 PMAQI
8th Oct 2025563 PMAQI
8th Oct 2025554 PMAQI
8th Oct 2025495 PMAQI
8th Oct 2025396 PMAQI
8th Oct 2025497 PMAQI
8th Oct 2025568 PMAQI
8th Oct 2025589 PMAQI
8th Oct 20255010 PMAQI
8th Oct 20254411 PMAQI
9th Oct 20255212 AMAQI
9th Oct 2025511 AMAQI
9th Oct 2025562 AMAQI
9th Oct 2025583 AMAQI
9th Oct 2025544 AMAQI
9th Oct 2025405 AMAQI
9th Oct 2025486 AMAQI
14°C10/17°C
9th Oct 2025437 AMAQI
9th Oct 2025428 AMAQI
9th Oct 2025449 AMAQI
9th Oct 20255010 AMAQI
9th Oct 20255411 AMAQI
9th Oct 20254912 PMAQI
9th Oct 2025391 PMAQI
9th Oct 2025462 PMAQI
9th Oct 2025463 PMAQI
9th Oct 2025524 PMAQI
9th Oct 2025545 PMAQI
9th Oct 2025386 PMAQI
9th Oct 2025477 PMAQI
9th Oct 2025498 PMAQI
9th Oct 2025479 PMAQI
9th Oct 20253810 PMAQI
9th Oct 20254111 PMAQI
10th Oct 20254512 AMAQI
10th Oct 2025481 AMAQI
10th Oct 2025482 AMAQI
10th Oct 2025533 AMAQI
10th Oct 2025534 AMAQI
10th Oct 2025555 AMAQI
10th Oct 2025546 AMAQI
13°C10/17°C
10th Oct 2025547 AMAQI
10th Oct 2025548 AMAQI
10th Oct 2025579 AMAQI
10th Oct 20255910 AMAQI
10th Oct 20255911 AMAQI
10th Oct 20256112 PMAQI
10th Oct 2025591 PMAQI
10th Oct 2025572 PMAQI
10th Oct 2025583 PMAQI
10th Oct 2025584 PMAQI
10th Oct 2025605 PMAQI
10th Oct 2025626 PMAQI
10th Oct 2025617 PMAQI
10th Oct 2025598 PMAQI
10th Oct 2025589 PMAQI
10th Oct 20255910 PMAQI
10th Oct 20256211 PMAQI
11th Oct 20256312 AMAQI
11th Oct 2025691 AMAQI
11th Oct 2025772 AMAQI
11th Oct 2025753 AMAQI
11th Oct 2025734 AMAQI
11th Oct 2025705 AMAQI
11th Oct 2025646 AMAQI
14°C10/18°C
11th Oct 2025657 AMAQI
11th Oct 2025648 AMAQI
11th Oct 2025649 AMAQI
11th Oct 20256510 AMAQI
11th Oct 20256711 AMAQI
11th Oct 20256412 PMAQI
11th Oct 2025721 PMAQI
11th Oct 2025792 PMAQI
11th Oct 2025773 PMAQI
11th Oct 2025724 PMAQI
11th Oct 2025695 PMAQI
11th Oct 2025696 PMAQI
11th Oct 2025637 PMAQI
11th Oct 2025618 PMAQI
11th Oct 2025589 PMAQI
11th Oct 20256810 PMAQI
11th Oct 20257811 PMAQI
12th Oct 20258112 AMAQI
12th Oct 2025851 AMAQI
12th Oct 2025892 AMAQI
12th Oct 2025873 AMAQI
12th Oct 2025864 AMAQI
12th Oct 2025865 AMAQI
12th Oct 2025896 AMAQI
13°C10/17°C
12th Oct 2025937 AMAQI
12th Oct 2025968 AMAQI
12th Oct 2025889 AMAQI
12th Oct 202510110 AMAQI
12th Oct 202510011 AMAQI
12th Oct 20259212 PMAQI
12th Oct 2025851 PMAQI
12th Oct 2025752 PMAQI
12th Oct 2025683 PMAQI
12th Oct 2025634 PMAQI
12th Oct 2025595 PMAQI
12th Oct 2025556 PMAQI
12th Oct 2025557 PMAQI
12th Oct 2025558 PMAQI
12th Oct 2025559 PMAQI
12th Oct 20255310 PMAQI
12th Oct 20255311 PMAQI
13th Oct 20255012 AMAQI
13th Oct 2025461 AMAQI
13th Oct 2025362 AMAQI
13th Oct 2025343 AMAQI
13th Oct 2025404 AMAQI
13th Oct 2025385 AMAQI
13th Oct 2025376 AMAQI
14°C9/18°C
13th Oct 2025357 AMAQI
13th Oct 2025388 AMAQI
13th Oct 2025399 AMAQI
13th Oct 20254510 AMAQI
13th Oct 20254311 AMAQI
13th Oct 20254012 PMAQI
13th Oct 2025411 PMAQI
13th Oct 2025412 PMAQI
13th Oct 2025453 PMAQI
13th Oct 2025454 PMAQI
13th Oct 2025325 PMAQI
13th Oct 2025206 PMAQI
13th Oct 2025347 PMAQI
13th Oct 2025418 PMAQI
13th Oct 2025399 PMAQI
13th Oct 20253910 PMAQI
13th Oct 20254311 PMAQI
14th Oct 20254312 AMAQI
14th Oct 2025511 AMAQI
14th Oct 2025522 AMAQI
14th Oct 2025503 AMAQI
14th Oct 2025434 AMAQI
14th Oct 2025385 AMAQI
14th Oct 2025376 AMAQI
14°C12/17°C
14th Oct 2025407 AMAQI
14th Oct 2025388 AMAQI
14th Oct 2025389 AMAQI
14th Oct 20253810 AMAQI
14th Oct 20254511 AMAQI
14th Oct 20255612 PMAQI
14th Oct 2025531 PMAQI
14th Oct 2025522 PMAQI
14th Oct 2025503 PMAQI
14th Oct 2025524 PMAQI
14th Oct 2025555 PMAQI
14th Oct 2025526 PMAQI
14th Oct 2025517 PMAQI
14th Oct 2025558 PMAQI
14th Oct 2025599 PMAQI
14th Oct 20255810 PMAQI
14th Oct 20255911 PMAQI
15th Oct 20256112 AMAQI
15th Oct 2025621 AMAQI
15th Oct 2025472 AMAQI
15th Oct 2025393 AMAQI
15th Oct 2025414 AMAQI
15th Oct 2025465 AMAQI
15th Oct 2025466 AMAQI
12°C9/15°C
15th Oct 2025437 AMAQI
15th Oct 2025468 AMAQI
15th Oct 2025519 AMAQI
15th Oct 20255910 AMAQI
15th Oct 20256011 AMAQI
15th Oct 20255612 PMAQI
15th Oct 2025501 PMAQI
15th Oct 2025472 PMAQI
15th Oct 2025493 PMAQI
15th Oct 2025524 PMAQI
15th Oct 2025465 PMAQI
15th Oct 2025446 PMAQI
15th Oct 2025437 PMAQI
15th Oct 2025508 PMAQI
15th Oct 2025559 PMAQI
15th Oct 20255710 PMAQI
15th Oct 20255811 PMAQI
16th Oct 20256112 AMAQI
16th Oct 2025581 AMAQI
16th Oct 2025402 AMAQI
16th Oct 2025423 AMAQI
16th Oct 2025524 AMAQI
16th Oct 2025535 AMAQI
16th Oct 2025426 AMAQI
13°C12/15°C
16th Oct 2025467 AMAQI
16th Oct 2025438 AMAQI
16th Oct 2025499 AMAQI
16th Oct 20255710 AMAQI
16th Oct 20254011 AMAQI
16th Oct 20254512 PMAQI
16th Oct 2025551 PMAQI
16th Oct 2025522 PMAQI
16th Oct 2025503 PMAQI
16th Oct 2025524 PMAQI
16th Oct 2025535 PMAQI
16th Oct 2025566 PMAQI
16th Oct 2025567 PMAQI
16th Oct 2025588 PMAQI
16th Oct 2025589 PMAQI
16th Oct 20255010 PMAQI
16th Oct 20254111 PMAQI
17th Oct 20253812 AMAQI
17th Oct 2025401 AMAQI
17th Oct 2025392 AMAQI
17th Oct 2025513 AMAQI
17th Oct 2025464 AMAQI
17th Oct 2025455 AMAQI
17th Oct 2025436 AMAQI
13°C12/15°C
17th Oct 2025527 AMAQI
17th Oct 2025518 AMAQI
17th Oct 2025439 AMAQI
17th Oct 20254210 AMAQI
17th Oct 20254511 AMAQI
17th Oct 20254912 PMAQI
17th Oct 2025521 PMAQI
17th Oct 2025462 PMAQI
17th Oct 2025443 PMAQI
17th Oct 2025444 PMAQI
17th Oct 2025545 PMAQI
17th Oct 2025526 PMAQI
17th Oct 2025477 PMAQI
17th Oct 2025518 PMAQI
17th Oct 2025539 PMAQI
17th Oct 20255810 PMAQI
17th Oct 20255311 PMAQI
18th Oct 20255012 AMAQI
18th Oct 2025541 AMAQI
18th Oct 2025612 AMAQI
18th Oct 2025623 AMAQI
18th Oct 2025724 AMAQI
18th Oct 2025605 AMAQI
18th Oct 2025606 AMAQI
11°C9/14°C
18th Oct 2025607 AMAQI
7 AM18th Oct 2025618 AMAQI
18th Oct 2025679 AMAQI
18th Oct 20257010 AMAQI
18th Oct 20256811 AMAQI
18th Oct 20256612 PMAQI
18th Oct 2025631 PMAQI
1 PM18th Oct 2025632 PMAQI
18th Oct 2025523 PMAQI
18th Oct 2025454 PMAQI
7 PM
1 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
10 AM - 2 PM
42AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
6 PM - 7 PM
37AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 2 PM (Avg. 42), while the lowest AQI was between 6 PM to 7 PM (Avg. 37).
Night time
Avg. Highest Time
1 AM - 11 PM
36AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM
35AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 11 PM (Avg. 36), while the lowest AQI was between 12 AM to 12 AM (Avg. 35).
2025 Days Vs Air Quality
Uccle, Anderlecht, Brussels Capital Region, Belgium
2025
79%
229
20%
58
1%
3
Total number of days with different AQI categories in last 291 days in 2025 (74 days remaining)
Good
229 DaysModerate
58 DaysPoor
3 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2025, 79% of 291 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
Uccle, Anderlecht, Brussels Capital Region, Belgium
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
27AQI
27AQI
2nd January 2025
27AQI
27AQI
3rd January 2025
29AQI
29AQI
4th January 2025
43AQI
43AQI
5th January 2025
26AQI
26AQI
6th January 2025
23AQI
23AQI
7th January 2025
24AQI
24AQI
8th January 2025
24AQI
24AQI
9th January 2025
28AQI
28AQI
10th January 2025
46AQI
46AQI
11th January 2025
65AQI
65AQI
12th January 2025
82AQI
82AQI
13th January 2025
68AQI
68AQI
14th January 2025
67AQI
67AQI
15th January 2025
79AQI
79AQI
16th January 2025
53AQI
53AQI
17th January 2025
59AQI
59AQI
18th January 2025
55AQI
55AQI
19th January 2025
86AQI
86AQI
20th January 2025
77AQI
77AQI
21st January 2025
78AQI
78AQI
22nd January 2025
57AQI
57AQI
23rd January 2025
47AQI
47AQI
24th January 2025
24AQI
24AQI
25th January 2025
27AQI
27AQI
26th January 2025
25AQI
25AQI
27th January 2025
28AQI
28AQI
28th January 2025
29AQI
29AQI
29th January 2025
24AQI
24AQI
30th January 2025
23AQI
23AQI
31st January 2025
42AQI
42AQI
1st February 2025
49AQI
49AQI
2nd February 2025
57AQI
57AQI
3rd February 2025
85AQI
85AQI
4th February 2025
60AQI
60AQI
5th February 2025
56AQI
56AQI
6th February 2025
66AQI
66AQI
7th February 2025
47AQI
47AQI
8th February 2025
53AQI
53AQI
9th February 2025
30AQI
30AQI
10th February 2025
118AQI
118AQI
11th February 2025
66AQI
66AQI
12th February 2025
68AQI
68AQI
13th February 2025
90AQI
90AQI
14th February 2025
96AQI
96AQI
15th February 2025
83AQI
83AQI
16th February 2025
55AQI
55AQI
17th February 2025
60AQI
60AQI
18th February 2025
69AQI
69AQI
19th February 2025
75AQI
75AQI
20th February 2025
61AQI
61AQI
21st February 2025
40AQI
40AQI
22nd February 2025
30AQI
30AQI
23rd February 2025
31AQI
31AQI
24th February 2025
25AQI
25AQI
25th February 2025
35AQI
35AQI
26th February 2025
35AQI
35AQI
27th February 2025
23AQI
23AQI
28th February 2025
34AQI
34AQI
1st March 2025
41AQI
41AQI
2nd March 2025
60AQI
60AQI
3rd March 2025
63AQI
63AQI
4th March 2025
79AQI
79AQI
5th March 2025
78AQI
78AQI
6th March 2025
63AQI
63AQI
7th March 2025
46AQI
46AQI
8th March 2025
59AQI
59AQI
9th March 2025
75AQI
75AQI
10th March 2025
106AQI
106AQI
11th March 2025
94AQI
94AQI
12th March 2025
37AQI
37AQI
13th March 2025
45AQI
45AQI
14th March 2025
25AQI
25AQI
15th March 2025
38AQI
38AQI
16th March 2025
49AQI
49AQI
17th March 2025
35AQI
35AQI
18th March 2025
27AQI
27AQI
19th March 2025
36AQI
36AQI
20th March 2025
44AQI
44AQI
21st March 2025
52AQI
52AQI
22nd March 2025
26AQI
26AQI
23rd March 2025
17AQI
17AQI
24th March 2025
62AQI
62AQI
25th March 2025
120AQI
120AQI
26th March 2025
55AQI
55AQI
27th March 2025
60AQI
60AQI
28th March 2025
69AQI
69AQI
29th March 2025
35AQI
35AQI
30th March 2025
28AQI
28AQI
31st March 2025
38AQI
38AQI
1st April 2025
27AQI
27AQI
2nd April 2025
29AQI
29AQI
3rd April 2025
44AQI
44AQI
4th April 2025
43AQI
43AQI
5th April 2025
47AQI
47AQI
6th April 2025
18AQI
18AQI
7th April 2025
25AQI
25AQI
8th April 2025
36AQI
36AQI
9th April 2025
52AQI
52AQI
10th April 2025
53AQI
53AQI
11th April 2025
57AQI
57AQI
12th April 2025
49AQI
49AQI
13th April 2025
40AQI
40AQI
14th April 2025
31AQI
31AQI
15th April 2025
23AQI
23AQI
16th April 2025
18AQI
18AQI
17th April 2025
28AQI
28AQI
18th April 2025
34AQI
34AQI
19th April 2025
24AQI
24AQI
20th April 2025
43AQI
43AQI
21st April 2025
17AQI
17AQI
22nd April 2025
38AQI
38AQI
23rd April 2025
27AQI
27AQI
24th April 2025
56AQI
56AQI
25th April 2025
55AQI
55AQI
26th April 2025
57AQI
57AQI
27th April 2025
42AQI
42AQI
28th April 2025
42AQI
42AQI
29th April 2025
46AQI
46AQI
30th April 2025
40AQI
40AQI
1st May 2025
39AQI
39AQI
2nd May 2025
42AQI
42AQI
3rd May 2025
71AQI
71AQI
4th May 2025
21AQI
21AQI
5th May 2025
23AQI
23AQI
6th May 2025
22AQI
22AQI
7th May 2025
30AQI
30AQI
8th May 2025
28AQI
28AQI
9th May 2025
18AQI
18AQI
10th May 2025
17AQI
17AQI
11th May 2025
18AQI
18AQI
12th May 2025
19AQI
19AQI
13th May 2025
31AQI
31AQI
14th May 2025
39AQI
39AQI
15th May 2025
46AQI
46AQI
16th May 2025
31AQI
31AQI
17th May 2025
36AQI
36AQI
18th May 2025
40AQI
40AQI
19th May 2025
40AQI
40AQI
20th May 2025
28AQI
28AQI
21st May 2025
41AQI
41AQI
22nd May 2025
28AQI
28AQI
23rd May 2025
18AQI
18AQI
24th May 2025
21AQI
21AQI
25th May 2025
15AQI
15AQI
26th May 2025
22AQI
22AQI
27th May 2025
17AQI
17AQI
28th May 2025
16AQI
16AQI
29th May 2025
22AQI
22AQI
30th May 2025
17AQI
17AQI
31st May 2025
33AQI
33AQI
1st June 2025
26AQI
26AQI
2nd June 2025
24AQI
24AQI
3rd June 2025
24AQI
24AQI
4th June 2025
19AQI
19AQI
5th June 2025
16AQI
16AQI
6th June 2025
15AQI
15AQI
7th June 2025
15AQI
15AQI
8th June 2025
15AQI
15AQI
9th June 2025
32AQI
32AQI
10th June 2025
49AQI
49AQI
11th June 2025
32AQI
32AQI
12th June 2025
42AQI
42AQI
13th June 2025
56AQI
56AQI
14th June 2025
42AQI
42AQI
15th June 2025
27AQI
27AQI
16th June 2025
30AQI
30AQI
17th June 2025
29AQI
29AQI
18th June 2025
36AQI
36AQI
19th June 2025
34AQI
34AQI
20th June 2025
27AQI
27AQI
21st June 2025
26AQI
26AQI
22nd June 2025
26AQI
26AQI
23rd June 2025
20AQI
20AQI
24th June 2025
23AQI
23AQI
25th June 2025
20AQI
20AQI
26th June 2025
19AQI
19AQI
27th June 2025
18AQI
18AQI
28th June 2025
14AQI
14AQI
29th June 2025
18AQI
18AQI
30th June 2025
26AQI
26AQI
1st July 2025
30AQI
30AQI
2nd July 2025
37AQI
37AQI
3rd July 2025
26AQI
26AQI
4th July 2025
22AQI
22AQI
5th July 2025
20AQI
20AQI
6th July 2025
18AQI
18AQI
7th July 2025
18AQI
18AQI
8th July 2025
19AQI
19AQI
9th July 2025
24AQI
24AQI
10th July 2025
23AQI
23AQI
11th July 2025
26AQI
26AQI
12th July 2025
27AQI
27AQI
13th July 2025
30AQI
30AQI
14th July 2025
39AQI
39AQI
15th July 2025
23AQI
23AQI
16th July 2025
21AQI
21AQI
17th July 2025
21AQI
21AQI
18th July 2025
22AQI
22AQI
19th July 2025
24AQI
24AQI
20th July 2025
22AQI
22AQI
21st July 2025
16AQI
16AQI
22nd July 2025
15AQI
15AQI
23rd July 2025
15AQI
15AQI
24th July 2025
25AQI
25AQI
25th July 2025
29AQI
29AQI
26th July 2025
29AQI
29AQI
27th July 2025
22AQI
22AQI
28th July 2025
21AQI
21AQI
29th July 2025
24AQI
24AQI
30th July 2025
25AQI
25AQI
31st July 2025
25AQI
25AQI
1st August 2025
21AQI
21AQI
2nd August 2025
20AQI
20AQI
3rd August 2025
20AQI
20AQI
4th August 2025
22AQI
22AQI
5th August 2025
21AQI
21AQI
6th August 2025
25AQI
25AQI
7th August 2025
24AQI
24AQI
8th August 2025
26AQI
26AQI
9th August 2025
39AQI
39AQI
10th August 2025
30AQI
30AQI
11th August 2025
42AQI
42AQI
12th August 2025
45AQI
45AQI
13th August 2025
55AQI
55AQI
14th August 2025
57AQI
57AQI
15th August 2025
51AQI
51AQI
16th August 2025
52AQI
52AQI
17th August 2025
37AQI
37AQI
18th August 2025
26AQI
26AQI
19th August 2025
28AQI
28AQI
20th August 2025
33AQI
33AQI
21st August 2025
32AQI
32AQI
22nd August 2025
23AQI
23AQI
23rd August 2025
22AQI
22AQI
24th August 2025
20AQI
20AQI
25th August 2025
22AQI
22AQI
26th August 2025
29AQI
29AQI
27th August 2025
28AQI
28AQI
28th August 2025
30AQI
30AQI
29th August 2025
21AQI
21AQI
30th August 2025
18AQI
18AQI
31st August 2025
17AQI
17AQI
1st September 2025
17AQI
17AQI
2nd September 2025
17AQI
17AQI
3rd September 2025
17AQI
17AQI
4th September 2025
17AQI
17AQI
5th September 2025
18AQI
18AQI
6th September 2025
18AQI
18AQI
7th September 2025
20AQI
20AQI
8th September 2025
22AQI
22AQI
9th September 2025
24AQI
24AQI
10th September 2025
23AQI
23AQI
11th September 2025
19AQI
19AQI
12th September 2025
17AQI
17AQI
13th September 2025
16AQI
16AQI
14th September 2025
16AQI
16AQI
15th September 2025
16AQI
16AQI
16th September 2025
18AQI
18AQI
17th September 2025
17AQI
17AQI
18th September 2025
15AQI
15AQI
19th September 2025
18AQI
18AQI
20th September 2025
20AQI
20AQI
21st September 2025
18AQI
18AQI
22nd September 2025
15AQI
15AQI
23rd September 2025
14AQI
14AQI
24th September 2025
13AQI
13AQI
25th September 2025
20AQI
20AQI
26th September 2025
21AQI
21AQI
27th September 2025
32AQI
32AQI
28th September 2025
20AQI
20AQI
29th September 2025
37AQI
37AQI
30th September 2025
29AQI
29AQI
1st October 2025
52AQI
52AQI
2nd October 2025
40AQI
40AQI
3rd October 2025
43AQI
43AQI
4th October 2025
40AQI
40AQI
5th October 2025
45AQI
45AQI
6th October 2025
44AQI
44AQI
7th October 2025
50AQI
50AQI
8th October 2025
50AQI
50AQI
9th October 2025
47AQI
47AQI
10th October 2025
56AQI
56AQI
11th October 2025
68AQI
68AQI
12th October 2025
75AQI
75AQI
13th October 2025
39AQI
39AQI
14th October 2025
49AQI
49AQI
15th October 2025
50AQI
50AQI
16th October 2025
51AQI
51AQI
17th October 2025
47AQI
47AQI
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
45AQI
57AQI
54AQI
38AQI
29AQI
27AQI
24AQI
30AQI
19AQI
50AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202537AQI
19
12
11
16
1
16
13
2
24
6
30
1
29
1
31
27
4
30
12
5
229
58
3
Highest AQI recorded in
February57AQI
Lowest AQI recorded in
September19AQI
202435AQI
23
8
29
21
10
26
2
22
8
26
4
30
1
30
1
24
6
27
4
20
10
24
7
302
61
Highest AQI recorded in
March46AQI
Lowest AQI recorded in
April26AQI
202334AQI
3
27
4
23
7
23
8
18
12
29
2
30
1
26
4
30
1
28
1
28
3
265
43
Highest AQI recorded in
June45AQI
Lowest AQI recorded in
November24AQI
202235AQI
19
11
21
12
19
27
3
30
1
29
1
23
1
1
29
31
4
226
36
Highest AQI recorded in
March55AQI
Lowest AQI recorded in
November21AQI
202138AQI
24
6
18
10
17
14
23
7
30
1
23
7
29
2
31
22
8
29
2
20
10
24
7
290
74
Highest AQI recorded in
March49AQI
Lowest AQI recorded in
August26AQI
202036AQI
8
5
15
6
16
27
3
31
25
6
25
5
29
2
22
7
1
25
5
223
39
1
Highest AQI recorded in
March48AQI
Lowest AQI recorded in
July25AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
38AQILeast Polluted Year Recorded
2023(Avg.)
34AQIUccle's annual 2025 AQI (37) shows an average percentage change of 2.5% (worsened AQI) compared to previous years: 2020 (36), 2021 (38), 2022 (35), 2023 (34), 2024 (35).
