Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Brussels, 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

Brussels, Brussels Capital Region, Belgium

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
10th Oct 2021
99AQI
Lowest AQI recorded on
3rd Oct 2021
16AQI

Same Day Analysis (17th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 59 of Moderate air quality, showing improvement over 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 18th Oct - 19th Oct 2025

Brussels, Brussels Capital Region, Belgium

AQI
Day
Night
.

7 AM18th Oct 2025

7 PM

6 AM19th Oct 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
10AM18th Oct

81AQI

Avg. Lowest Time
6PM18th Oct

48AQI

In the last 24 hours,

Brussels's AQI reached its highest point of 81 at 10 AM during the Night, while the lowest point, undefined, was recorded at 6 AM during the Night between 18th Oct and 19th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Brussels, Brussels Capital Region, Belgium

SepOct
19th - 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 - 19th19th
Day
Night
19th Sep 2025227 AMAQI
19th Sep 2025248 AMAQI
19th Sep 2025279 AMAQI
19th Sep 20252910 AMAQI
19th Sep 20252711 AMAQI
19th Sep 20252312 PMAQI
19th Sep 2025221 PMAQI
19th Sep 2025212 PMAQI
19th Sep 2025203 PMAQI
19th Sep 2025204 PMAQI
19th Sep 2025195 PMAQI
19th Sep 2025186 PMAQI
19th Sep 2025187 PMAQI
19th Sep 2025198 PMAQI
19th Sep 2025199 PMAQI
19th Sep 20252010 PMAQI
19th Sep 20252011 PMAQI
20th Sep 20251912 AMAQI
20th Sep 2025201 AMAQI
20th Sep 2025342 AMAQI
20th Sep 2025283 AMAQI
20th Sep 2025214 AMAQI
20th Sep 2025195 AMAQI
20th Sep 2025226 AMAQI

21°C15/30°C

20th Sep 2025227 AMAQI
20th Sep 2025228 AMAQI
20th Sep 2025229 AMAQI
20th Sep 20252410 AMAQI
20th Sep 20252611 AMAQI
20th Sep 20252612 PMAQI
20th Sep 2025271 PMAQI
20th Sep 2025262 PMAQI
20th Sep 2025253 PMAQI
20th Sep 2025264 PMAQI
20th Sep 2025255 PMAQI
20th Sep 2025266 PMAQI
20th Sep 2025247 PMAQI
20th Sep 2025268 PMAQI
20th Sep 2025259 PMAQI
20th Sep 20252510 PMAQI
20th Sep 20252411 PMAQI
21st Sep 20252412 AMAQI
21st Sep 2025241 AMAQI
21st Sep 2025282 AMAQI
21st Sep 2025293 AMAQI
21st Sep 2025304 AMAQI
21st Sep 2025225 AMAQI
21st Sep 2025196 AMAQI

21°C19/26°C

21st Sep 2025177 AMAQI
21st Sep 2025178 AMAQI
21st Sep 2025179 AMAQI
21st Sep 20251610 AMAQI
21st Sep 20251411 AMAQI
21st Sep 20251412 PMAQI
21st Sep 2025161 PMAQI
21st Sep 2025202 PMAQI
21st Sep 2025213 PMAQI
21st Sep 2025204 PMAQI
21st Sep 2025225 PMAQI
21st Sep 2025226 PMAQI
21st Sep 2025227 PMAQI
21st Sep 2025228 PMAQI
21st Sep 2025229 PMAQI
21st Sep 20252210 PMAQI
21st Sep 20252211 PMAQI
22nd Sep 20252212 AMAQI
22nd Sep 2025221 AMAQI
22nd Sep 2025162 AMAQI
22nd Sep 2025153 AMAQI
22nd Sep 2025144 AMAQI
22nd Sep 2025145 AMAQI
22nd Sep 2025166 AMAQI

14°C11/16°C

22nd Sep 2025167 AMAQI
22nd Sep 2025168 AMAQI
22nd Sep 2025179 AMAQI
22nd Sep 20251810 AMAQI
22nd Sep 20251911 AMAQI
22nd Sep 20251912 PMAQI
22nd Sep 2025201 PMAQI
22nd Sep 2025192 PMAQI
22nd Sep 2025183 PMAQI
22nd Sep 2025194 PMAQI
22nd Sep 2025185 PMAQI
22nd Sep 2025186 PMAQI
22nd Sep 2025177 PMAQI
22nd Sep 2025188 PMAQI
22nd Sep 2025189 PMAQI
22nd Sep 20251810 PMAQI
22nd Sep 20251811 PMAQI
23rd Sep 20251812 AMAQI
23rd Sep 2025181 AMAQI
23rd Sep 2025142 AMAQI
23rd Sep 2025123 AMAQI
23rd Sep 2025124 AMAQI
23rd Sep 2025125 AMAQI
23rd Sep 2025136 AMAQI

12°C9/17°C

23rd Sep 2025137 AMAQI
23rd Sep 2025158 AMAQI
23rd Sep 2025179 AMAQI
23rd Sep 20251810 AMAQI
23rd Sep 20251811 AMAQI
23rd Sep 20252012 PMAQI
23rd Sep 2025181 PMAQI
23rd Sep 2025162 PMAQI
23rd Sep 2025153 PMAQI
23rd Sep 2025144 PMAQI
23rd Sep 2025145 PMAQI
23rd Sep 2025146 PMAQI
23rd Sep 2025147 PMAQI
23rd Sep 2025148 PMAQI
23rd Sep 2025149 PMAQI
23rd Sep 20251410 PMAQI
23rd Sep 20251511 PMAQI
24th Sep 20251512 AMAQI
24th Sep 2025161 AMAQI
24th Sep 2025122 AMAQI
24th Sep 202593 AMAQI
24th Sep 2025104 AMAQI
24th Sep 2025105 AMAQI
24th Sep 2025126 AMAQI

13°C9/18°C

24th Sep 2025137 AMAQI
24th Sep 2025148 AMAQI
24th Sep 2025169 AMAQI
24th Sep 20252810 AMAQI
24th Sep 20253011 AMAQI
24th Sep 20253412 PMAQI
24th Sep 2025261 PMAQI
24th Sep 2025162 PMAQI
24th Sep 2025163 PMAQI
24th Sep 2025174 PMAQI
24th Sep 2025165 PMAQI
24th Sep 2025146 PMAQI
24th Sep 2025147 PMAQI
24th Sep 2025138 PMAQI
24th Sep 2025149 PMAQI
24th Sep 20251510 PMAQI
24th Sep 20251711 PMAQI
25th Sep 20251612 AMAQI
25th Sep 2025161 AMAQI
25th Sep 2025122 AMAQI
25th Sep 2025123 AMAQI
25th Sep 2025104 AMAQI
25th Sep 2025115 AMAQI
25th Sep 2025126 AMAQI

13°C9/17°C

25th Sep 2025157 AMAQI
25th Sep 2025158 AMAQI
25th Sep 2025169 AMAQI
25th Sep 20251710 AMAQI
25th Sep 20252411 AMAQI
25th Sep 20252512 PMAQI
25th Sep 2025431 PMAQI
25th Sep 2025282 PMAQI
25th Sep 2025283 PMAQI
25th Sep 2025344 PMAQI
25th Sep 2025375 PMAQI
25th Sep 2025306 PMAQI
25th Sep 2025247 PMAQI
25th Sep 2025248 PMAQI
25th Sep 2025239 PMAQI
25th Sep 20252310 PMAQI
25th Sep 20252411 PMAQI
26th Sep 20252312 AMAQI
26th Sep 2025201 AMAQI
26th Sep 2025202 AMAQI
26th Sep 2025183 AMAQI
26th Sep 2025174 AMAQI
26th Sep 2025185 AMAQI
26th Sep 2025246 AMAQI

10°C9/11°C

26th Sep 2025297 AMAQI
26th Sep 2025348 AMAQI
26th Sep 2025409 AMAQI
26th Sep 20254110 AMAQI
26th Sep 20254011 AMAQI
26th Sep 20253512 PMAQI
26th Sep 2025291 PMAQI
26th Sep 2025252 PMAQI
26th Sep 2025213 PMAQI
26th Sep 2025154 PMAQI
26th Sep 2025145 PMAQI
26th Sep 2025156 PMAQI
26th Sep 2025157 PMAQI
26th Sep 2025158 PMAQI
26th Sep 2025109 PMAQI
26th Sep 20251110 PMAQI
26th Sep 20251411 PMAQI
27th Sep 20252812 AMAQI
27th Sep 2025331 AMAQI
27th Sep 2025332 AMAQI
27th Sep 2025433 AMAQI
27th Sep 2025444 AMAQI
27th Sep 2025445 AMAQI
27th Sep 2025446 AMAQI

13°C9/17°C

27th Sep 2025497 AMAQI
27th Sep 2025538 AMAQI
27th Sep 2025569 AMAQI
27th Sep 20255810 AMAQI
27th Sep 20256011 AMAQI
27th Sep 20256012 PMAQI
27th Sep 2025581 PMAQI
27th Sep 2025582 PMAQI
27th Sep 2025553 PMAQI
27th Sep 2025504 PMAQI
27th Sep 2025345 PMAQI
27th Sep 2025226 PMAQI
27th Sep 2025227 PMAQI
27th Sep 2025228 PMAQI
27th Sep 2025229 PMAQI
27th Sep 20252610 PMAQI
27th Sep 20253111 PMAQI
28th Sep 20252812 AMAQI
28th Sep 2025321 AMAQI
28th Sep 2025332 AMAQI
28th Sep 2025323 AMAQI
28th Sep 2025284 AMAQI
28th Sep 2025285 AMAQI
28th Sep 2025286 AMAQI

14°C10/19°C

28th Sep 2025287 AMAQI
28th Sep 2025308 AMAQI
28th Sep 2025329 AMAQI
28th Sep 20253310 AMAQI
28th Sep 20253811 AMAQI
28th Sep 20253312 PMAQI
28th Sep 2025201 PMAQI
28th Sep 2025122 PMAQI
28th Sep 2025113 PMAQI
28th Sep 202564 PMAQI
28th Sep 202565 PMAQI
28th Sep 202566 PMAQI
28th Sep 2025237 PMAQI
28th Sep 2025108 PMAQI
28th Sep 2025119 PMAQI
28th Sep 20251710 PMAQI
28th Sep 20251711 PMAQI
29th Sep 20252212 AMAQI
29th Sep 2025221 AMAQI
29th Sep 2025222 AMAQI
29th Sep 2025363 AMAQI
29th Sep 2025284 AMAQI
29th Sep 2025475 AMAQI
29th Sep 2025466 AMAQI

14°C9/21°C

29th Sep 2025537 AMAQI
29th Sep 2025668 AMAQI
29th Sep 2025699 AMAQI
29th Sep 20257610 AMAQI
29th Sep 20258611 AMAQI
29th Sep 20258412 PMAQI
29th Sep 2025931 PMAQI
29th Sep 2025792 PMAQI
29th Sep 2025653 PMAQI
29th Sep 2025474 PMAQI
29th Sep 2025365 PMAQI
29th Sep 2025316 PMAQI
29th Sep 2025227 PMAQI
29th Sep 2025178 PMAQI
29th Sep 2025159 PMAQI
29th Sep 20251110 PMAQI
29th Sep 20251111 PMAQI
30th Sep 20251212 AMAQI
30th Sep 2025131 AMAQI
30th Sep 2025152 AMAQI
30th Sep 2025113 AMAQI
30th Sep 2025124 AMAQI
30th Sep 2025135 AMAQI
30th Sep 2025166 AMAQI

14°C10/20°C

30th Sep 2025257 AMAQI
30th Sep 2025248 AMAQI
30th Sep 2025249 AMAQI
30th Sep 20253810 AMAQI
30th Sep 20253111 AMAQI
30th Sep 20252312 PMAQI
30th Sep 2025221 PMAQI
30th Sep 2025212 PMAQI
30th Sep 2025193 PMAQI
30th Sep 2025234 PMAQI
30th Sep 2025535 PMAQI
30th Sep 2025526 PMAQI
30th Sep 2025567 PMAQI
30th Sep 2025588 PMAQI
30th Sep 2025359 PMAQI
30th Sep 20253610 PMAQI
30th Sep 20253411 PMAQI
1st Oct 20255712 AMAQI
1st Oct 2025551 AMAQI
1st Oct 2025602 AMAQI
1st Oct 2025573 AMAQI
1st Oct 2025624 AMAQI
1st Oct 2025505 AMAQI
1st Oct 2025526 AMAQI

14°C11/20°C

1st Oct 2025537 AMAQI
1st Oct 2025528 AMAQI
1st Oct 2025649 AMAQI
1st Oct 20257110 AMAQI
1st Oct 20257411 AMAQI
1st Oct 20257512 PMAQI
1st Oct 2025991 PMAQI
1st Oct 20251082 PMAQI
1st Oct 20251193 PMAQI
1st Oct 20251084 PMAQI
1st Oct 2025905 PMAQI
1st Oct 2025686 PMAQI
1st Oct 2025617 PMAQI
1st Oct 2025618 PMAQI
1st Oct 2025629 PMAQI
1st Oct 20255910 PMAQI
1st Oct 20255711 PMAQI
2nd Oct 20256312 AMAQI
2nd Oct 2025651 AMAQI
2nd Oct 2025622 AMAQI
2nd Oct 2025643 AMAQI
2nd Oct 2025594 AMAQI
2nd Oct 2025565 AMAQI
2nd Oct 2025576 AMAQI

13°C9/19°C

2nd Oct 2025547 AMAQI
2nd Oct 2025528 AMAQI
2nd Oct 2025519 AMAQI
2nd Oct 20255210 AMAQI
2nd Oct 20255311 AMAQI
2nd Oct 20255312 PMAQI
2nd Oct 2025541 PMAQI
2nd Oct 2025522 PMAQI
2nd Oct 2025443 PMAQI
2nd Oct 2025454 PMAQI
2nd Oct 2025435 PMAQI
2nd Oct 2025456 PMAQI
2nd Oct 2025487 PMAQI
2nd Oct 2025498 PMAQI
2nd Oct 2025529 PMAQI
2nd Oct 20255910 PMAQI
2nd Oct 20255811 PMAQI
3rd Oct 20255912 AMAQI
3rd Oct 2025581 AMAQI
3rd Oct 2025542 AMAQI
3rd Oct 2025493 AMAQI
3rd Oct 2025444 AMAQI
3rd Oct 2025435 AMAQI
3rd Oct 2025436 AMAQI

13°C9/18°C

3rd Oct 2025407 AMAQI
3rd Oct 2025408 AMAQI
3rd Oct 2025469 AMAQI
3rd Oct 20254310 AMAQI
3rd Oct 20254011 AMAQI
3rd Oct 20254312 PMAQI
3rd Oct 2025381 PMAQI
3rd Oct 2025502 PMAQI
3rd Oct 2025463 PMAQI
3rd Oct 2025514 PMAQI
3rd Oct 2025535 PMAQI
3rd Oct 2025566 PMAQI
3rd Oct 2025527 PMAQI
3rd Oct 2025508 PMAQI
3rd Oct 2025509 PMAQI
3rd Oct 20255010 PMAQI
3rd Oct 20255311 PMAQI
4th Oct 20255512 AMAQI
4th Oct 2025551 AMAQI
4th Oct 2025482 AMAQI
4th Oct 2025423 AMAQI
4th Oct 2025304 AMAQI
4th Oct 2025345 AMAQI
4th Oct 2025376 AMAQI

12°C10/15°C

4th Oct 2025307 AMAQI
4th Oct 2025248 AMAQI
4th Oct 2025239 AMAQI
4th Oct 20252210 AMAQI
4th Oct 20252311 AMAQI
4th Oct 20252312 PMAQI
4th Oct 2025151 PMAQI
4th Oct 2025352 PMAQI
4th Oct 2025423 PMAQI
4th Oct 2025474 PMAQI
4th Oct 2025515 PMAQI
4th Oct 2025516 PMAQI
4th Oct 2025487 PMAQI
4th Oct 2025438 PMAQI
4th Oct 2025469 PMAQI
4th Oct 20254810 PMAQI
4th Oct 20255211 PMAQI
5th Oct 20255012 AMAQI
5th Oct 2025501 AMAQI
5th Oct 2025492 AMAQI
5th Oct 2025483 AMAQI
5th Oct 2025464 AMAQI
5th Oct 2025445 AMAQI
5th Oct 2025456 AMAQI

14°C12/17°C

5th Oct 2025447 AMAQI
5th Oct 2025488 AMAQI
5th Oct 2025449 AMAQI
5th Oct 20254410 AMAQI
5th Oct 20254811 AMAQI
5th Oct 20254612 PMAQI
5th Oct 2025491 PMAQI
5th Oct 2025532 PMAQI
5th Oct 2025543 PMAQI
5th Oct 2025574 PMAQI
5th Oct 2025585 PMAQI
5th Oct 2025596 PMAQI
5th Oct 2025577 PMAQI
5th Oct 2025578 PMAQI
5th Oct 2025579 PMAQI
5th Oct 20255710 PMAQI
5th Oct 20255811 PMAQI
6th Oct 20255812 AMAQI
6th Oct 2025541 AMAQI
6th Oct 2025572 AMAQI
6th Oct 2025523 AMAQI
6th Oct 2025504 AMAQI
6th Oct 2025435 AMAQI
6th Oct 2025416 AMAQI

12°C10/14°C

6th Oct 2025397 AMAQI
6th Oct 2025398 AMAQI
6th Oct 2025459 AMAQI
6th Oct 20254510 AMAQI
6th Oct 20254911 AMAQI
6th Oct 20255012 PMAQI
6th Oct 2025551 PMAQI
6th Oct 2025542 PMAQI
6th Oct 2025563 PMAQI
6th Oct 2025564 PMAQI
6th Oct 2025535 PMAQI
6th Oct 2025536 PMAQI
6th Oct 2025567 PMAQI

13°C9/16°C

7th Oct 2025451 PMAQI
7th Oct 2025542 PMAQI
7th Oct 2025613 PMAQI
7th Oct 2025604 PMAQI
7th Oct 2025565 PMAQI
7th Oct 2025556 PMAQI
7th Oct 2025557 PMAQI
7th Oct 2025578 PMAQI
7th Oct 2025579 PMAQI
7th Oct 20255510 PMAQI
7th Oct 20255611 PMAQI
8th Oct 20255912 AMAQI
8th Oct 2025631 AMAQI
8th Oct 2025652 AMAQI
8th Oct 2025643 AMAQI
8th Oct 2025634 AMAQI
8th Oct 2025605 AMAQI
8th Oct 2025596 AMAQI

14°C11/20°C

8th Oct 2025617 AMAQI
8th Oct 2025618 AMAQI
8th Oct 2025609 AMAQI
8th Oct 20256310 AMAQI
8th Oct 20256711 AMAQI
8th Oct 20257012 PMAQI
8th Oct 2025721 PMAQI
8th Oct 2025682 PMAQI
8th Oct 2025673 PMAQI
8th Oct 2025634 PMAQI
8th Oct 2025595 PMAQI
8th Oct 2025576 PMAQI
8th Oct 2025577 PMAQI
8th Oct 2025588 PMAQI
8th Oct 2025609 PMAQI
8th Oct 20256210 PMAQI
8th Oct 20256611 PMAQI
9th Oct 20257112 AMAQI
9th Oct 2025681 AMAQI
9th Oct 2025702 AMAQI
9th Oct 2025653 AMAQI
9th Oct 2025634 AMAQI
9th Oct 2025545 AMAQI
9th Oct 2025486 AMAQI

14°C10/17°C

9th Oct 2025487 AMAQI
9th Oct 2025428 AMAQI
9th Oct 2025449 AMAQI
9th Oct 20254710 AMAQI
9th Oct 20255211 AMAQI
9th Oct 20255512 PMAQI
9th Oct 2025571 PMAQI
9th Oct 2025582 PMAQI
9th Oct 2025583 PMAQI
9th Oct 2025554 PMAQI
9th Oct 2025545 PMAQI
9th Oct 2025576 PMAQI
9th Oct 2025607 PMAQI
9th Oct 2025648 PMAQI
9th Oct 2025669 PMAQI
9th Oct 20256610 PMAQI
9th Oct 20256611 PMAQI
10th Oct 20256912 AMAQI
10th Oct 2025681 AMAQI
10th Oct 2025652 AMAQI
10th Oct 2025653 AMAQI
10th Oct 2025684 AMAQI
10th Oct 2025685 AMAQI
10th Oct 2025666 AMAQI

14°C10/17°C

10th Oct 2025677 AMAQI
10th Oct 2025658 AMAQI
10th Oct 2025659 AMAQI
10th Oct 20257010 AMAQI
10th Oct 20257411 AMAQI
10th Oct 20257012 PMAQI
10th Oct 2025721 PMAQI
10th Oct 2025722 PMAQI
10th Oct 2025723 PMAQI
10th Oct 2025694 PMAQI
10th Oct 2025695 PMAQI
10th Oct 2025696 PMAQI
10th Oct 2025647 PMAQI
10th Oct 2025728 PMAQI
10th Oct 2025759 PMAQI
10th Oct 20257910 PMAQI
10th Oct 20257911 PMAQI
11th Oct 20257912 AMAQI
11th Oct 2025841 AMAQI
11th Oct 2025832 AMAQI
11th Oct 2025823 AMAQI
11th Oct 2025784 AMAQI
11th Oct 2025795 AMAQI
11th Oct 2025766 AMAQI

14°C10/18°C

11th Oct 2025737 AMAQI
11th Oct 2025768 AMAQI
11th Oct 2025769 AMAQI
11th Oct 20257410 AMAQI
11th Oct 20257511 AMAQI
11th Oct 20258212 PMAQI
11th Oct 2025891 PMAQI
11th Oct 2025892 PMAQI
11th Oct 2025883 PMAQI
11th Oct 2025784 PMAQI
11th Oct 2025735 PMAQI
11th Oct 2025756 PMAQI
11th Oct 2025747 PMAQI
11th Oct 2025788 PMAQI
11th Oct 2025799 PMAQI
11th Oct 20259410 PMAQI
11th Oct 20259911 PMAQI
12th Oct 202511012 AMAQI
12th Oct 20251121 AMAQI
12th Oct 20251062 AMAQI
12th Oct 20251063 AMAQI
12th Oct 20251114 AMAQI
12th Oct 20251105 AMAQI
12th Oct 20251066 AMAQI

13°C10/17°C

12th Oct 20251127 AMAQI
12th Oct 20251108 AMAQI
12th Oct 20251049 AMAQI
12th Oct 20259710 AMAQI
12th Oct 20259811 AMAQI
12th Oct 20259512 PMAQI
12th Oct 2025871 PMAQI
12th Oct 2025762 PMAQI
12th Oct 2025703 PMAQI
12th Oct 2025724 PMAQI
12th Oct 2025645 PMAQI
12th Oct 2025586 PMAQI
12th Oct 2025587 PMAQI
12th Oct 2025588 PMAQI
12th Oct 2025609 PMAQI
12th Oct 20255910 PMAQI
12th Oct 20256011 PMAQI
13th Oct 20255512 AMAQI
13th Oct 2025551 AMAQI
13th Oct 2025512 AMAQI
13th Oct 2025513 AMAQI
13th Oct 2025534 AMAQI
13th Oct 2025515 AMAQI
13th Oct 2025466 AMAQI

14°C9/18°C

13th Oct 2025527 AMAQI
13th Oct 2025518 AMAQI
13th Oct 2025459 AMAQI
13th Oct 20254610 AMAQI
13th Oct 20254211 AMAQI
13th Oct 20253912 PMAQI
13th Oct 2025391 PMAQI
13th Oct 2025422 PMAQI
13th Oct 2025423 PMAQI
13th Oct 2025424 PMAQI
13th Oct 2025325 PMAQI
13th Oct 2025196 PMAQI
13th Oct 2025367 PMAQI
13th Oct 2025408 PMAQI
13th Oct 2025449 PMAQI
13th Oct 20254110 PMAQI
13th Oct 20253911 PMAQI
14th Oct 20254212 AMAQI
14th Oct 2025521 AMAQI
14th Oct 2025532 AMAQI
14th Oct 2025543 AMAQI
14th Oct 2025544 AMAQI
14th Oct 2025545 AMAQI
14th Oct 2025546 AMAQI

14°C12/17°C

14th Oct 2025527 AMAQI
14th Oct 2025478 AMAQI
14th Oct 2025509 AMAQI
14th Oct 20255910 AMAQI
14th Oct 20256211 AMAQI
14th Oct 20256212 PMAQI
14th Oct 2025541 PMAQI
14th Oct 2025552 PMAQI
14th Oct 2025553 PMAQI
14th Oct 2025534 PMAQI
14th Oct 2025535 PMAQI
14th Oct 2025486 PMAQI
14th Oct 2025507 PMAQI
14th Oct 2025508 PMAQI
14th Oct 2025659 PMAQI
14th Oct 20257210 PMAQI
14th Oct 20257311 PMAQI
15th Oct 20257412 AMAQI
15th Oct 2025661 AMAQI
15th Oct 2025572 AMAQI
15th Oct 2025553 AMAQI
15th Oct 2025514 AMAQI
15th Oct 2025465 AMAQI
15th Oct 2025466 AMAQI

12°C9/15°C

15th Oct 2025417 AMAQI
15th Oct 2025388 AMAQI
15th Oct 2025539 AMAQI
15th Oct 20256410 AMAQI
15th Oct 20256411 AMAQI
15th Oct 20256512 PMAQI
15th Oct 2025691 PMAQI
15th Oct 2025652 PMAQI
15th Oct 2025593 PMAQI
15th Oct 2025544 PMAQI
15th Oct 2025515 PMAQI
15th Oct 2025506 PMAQI
15th Oct 2025377 PMAQI
15th Oct 2025508 PMAQI
15th Oct 2025569 PMAQI
15th Oct 20255610 PMAQI
15th Oct 20255711 PMAQI
16th Oct 20255912 AMAQI
16th Oct 2025651 AMAQI
16th Oct 2025652 AMAQI
16th Oct 2025653 AMAQI
16th Oct 2025654 AMAQI
16th Oct 2025575 AMAQI
16th Oct 2025466 AMAQI

13°C12/16°C

16th Oct 2025477 AMAQI
16th Oct 2025408 AMAQI
16th Oct 2025519 AMAQI
16th Oct 20255710 AMAQI
16th Oct 20256611 AMAQI
16th Oct 20257512 PMAQI
16th Oct 2025751 PMAQI
16th Oct 2025652 PMAQI
16th Oct 2025643 PMAQI
16th Oct 2025594 PMAQI
16th Oct 2025585 PMAQI
16th Oct 2025596 PMAQI
16th Oct 2025617 PMAQI
16th Oct 2025628 PMAQI
16th Oct 2025649 PMAQI
16th Oct 20256410 PMAQI
16th Oct 20255811 PMAQI
17th Oct 20256012 AMAQI
17th Oct 2025631 AMAQI
17th Oct 2025622 AMAQI
17th Oct 2025563 AMAQI
17th Oct 2025604 AMAQI
17th Oct 2025575 AMAQI
17th Oct 2025586 AMAQI

13°C12/16°C

17th Oct 2025567 AMAQI
17th Oct 2025598 AMAQI
17th Oct 2025589 AMAQI
17th Oct 20255810 AMAQI
17th Oct 20256011 AMAQI
17th Oct 20256512 PMAQI
17th Oct 2025641 PMAQI
17th Oct 2025622 PMAQI
17th Oct 2025583 PMAQI
17th Oct 2025614 PMAQI
17th Oct 2025585 PMAQI
17th Oct 2025586 PMAQI
17th Oct 2025557 PMAQI
17th Oct 2025538 PMAQI
17th Oct 2025569 PMAQI
17th Oct 20256310 PMAQI
17th Oct 20256511 PMAQI
18th Oct 20256812 AMAQI
18th Oct 2025751 AMAQI
18th Oct 2025762 AMAQI
18th Oct 2025763 AMAQI
18th Oct 2025744 AMAQI
18th Oct 2025805 AMAQI
18th Oct 2025796 AMAQI

11°C9/14°C

18th Oct 2025777 AMAQI
18th Oct 2025768 AMAQI
18th Oct 2025789 AMAQI
18th Oct 20258110 AMAQI
18th Oct 20257511 AMAQI
18th Oct 20257412 PMAQI
18th Oct 2025721 PMAQI
18th Oct 2025652 PMAQI
18th Oct 2025643 PMAQI
18th Oct 2025584 PMAQI
18th Oct 2025515 PMAQI
18th Oct 2025486 PMAQI
18th Oct 2025527 PMAQI
18th Oct 2025528 PMAQI
18th Oct 2025549 PMAQI
18th Oct 20255510 PMAQI
18th Oct 20255811 PMAQI
19th Oct 20256012 AMAQI
19th Oct 2025601 AMAQI

--°C/°C

7 AM
1 PM
7 PM
1 AM
6 AM

--°C/°C

Day time
Avg. Highest Time
10 AM - 3 PM

49AQI

6 hours / Day
180 hours / Month
Avg. Lowest Time
6 PM - 7 PM

42AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 3 PM (Avg. 49), while the lowest AQI was between 6 PM to 7 PM (Avg. 42).
Night time
Avg. Highest Time
12 AM - 11 PM

44AQI

11 hours / Day
330 hours / Month
Avg. Lowest Time
12 AM - 9 PM

44AQI

9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 44), while the lowest AQI was between 12 AM to 9 PM (Avg. 44).

2025 Days Vs Air Quality

Brussels, Brussels Capital Region, Belgium

2025

75%

218

23%

68

1%

4

Total number of days with different AQI categories in last 291 days in 2025 (74 days remaining)

Good
218 Days
Moderate
68 Days
Poor
4 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 75%

Health Risk Level:

Low

In 2025, 75% 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

Brussels, 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
34AQI
2nd January 2025
29AQI
3rd January 2025
34AQI
4th January 2025
48AQI
5th January 2025
27AQI
6th January 2025
21AQI
7th January 2025
21AQI
8th January 2025
25AQI
9th January 2025
30AQI
10th January 2025
46AQI
11th January 2025
70AQI
12th January 2025
75AQI
13th January 2025
66AQI
14th January 2025
67AQI
15th January 2025
91AQI
16th January 2025
53AQI
17th January 2025
61AQI
18th January 2025
53AQI
19th January 2025
82AQI
20th January 2025
76AQI
21st January 2025
81AQI
22nd January 2025
60AQI
23rd January 2025
51AQI
24th January 2025
23AQI
25th January 2025
27AQI
26th January 2025
24AQI
27th January 2025
26AQI
28th January 2025
26AQI
29th January 2025
23AQI
30th January 2025
21AQI
31st January 2025
40AQI
1st February 2025
52AQI
2nd February 2025
58AQI
3rd February 2025
86AQI
4th February 2025
61AQI
5th February 2025
57AQI
6th February 2025
63AQI
7th February 2025
48AQI
8th February 2025
54AQI
9th February 2025
32AQI
10th February 2025
120AQI
11th February 2025
69AQI
12th February 2025
67AQI
13th February 2025
87AQI
14th February 2025
103AQI
15th February 2025
84AQI
16th February 2025
53AQI
17th February 2025
66AQI
18th February 2025
74AQI
19th February 2025
82AQI
20th February 2025
67AQI
21st February 2025
44AQI
22nd February 2025
30AQI
23rd February 2025
32AQI
24th February 2025
22AQI
25th February 2025
35AQI
26th February 2025
32AQI
27th February 2025
23AQI
28th February 2025
31AQI
1st March 2025
40AQI
2nd March 2025
59AQI
3rd March 2025
76AQI
4th March 2025
99AQI
5th March 2025
85AQI
6th March 2025
74AQI
7th March 2025
53AQI
8th March 2025
62AQI
9th March 2025
76AQI
10th March 2025
110AQI
11th March 2025
91AQI
12th March 2025
33AQI
13th March 2025
42AQI
14th March 2025
29AQI
15th March 2025
37AQI
16th March 2025
43AQI
17th March 2025
41AQI
18th March 2025
35AQI
19th March 2025
46AQI
20th March 2025
58AQI
21st March 2025
56AQI
22nd March 2025
29AQI
23rd March 2025
17AQI
24th March 2025
59AQI
25th March 2025
115AQI
26th March 2025
54AQI
27th March 2025
62AQI
28th March 2025
66AQI
29th March 2025
31AQI
30th March 2025
27AQI
31st March 2025
33AQI
1st April 2025
31AQI
2nd April 2025
35AQI
3rd April 2025
45AQI
4th April 2025
52AQI
5th April 2025
45AQI
6th April 2025
18AQI
7th April 2025
33AQI
8th April 2025
47AQI
9th April 2025
49AQI
10th April 2025
48AQI
11th April 2025
55AQI
12th April 2025
54AQI
13th April 2025
41AQI
14th April 2025
30AQI
15th April 2025
28AQI
16th April 2025
19AQI
17th April 2025
30AQI
18th April 2025
38AQI
19th April 2025
27AQI
20th April 2025
42AQI
21st April 2025
23AQI
22nd April 2025
39AQI
23rd April 2025
27AQI
24th April 2025
56AQI
25th April 2025
48AQI
26th April 2025
53AQI
27th April 2025
42AQI
28th April 2025
49AQI
29th April 2025
49AQI
30th April 2025
44AQI
1st May 2025
43AQI
2nd May 2025
53AQI
3rd May 2025
64AQI
4th May 2025
24AQI
5th May 2025
27AQI
6th May 2025
27AQI
7th May 2025
35AQI
8th May 2025
33AQI
9th May 2025
27AQI
10th May 2025
23AQI
11th May 2025
22AQI
12th May 2025
25AQI
13th May 2025
36AQI
14th May 2025
42AQI
15th May 2025
41AQI
16th May 2025
28AQI
17th May 2025
33AQI
18th May 2025
37AQI
19th May 2025
41AQI
20th May 2025
30AQI
21st May 2025
40AQI
22nd May 2025
29AQI
23rd May 2025
21AQI
24th May 2025
25AQI
25th May 2025
20AQI
26th May 2025
26AQI
27th May 2025
22AQI
28th May 2025
18AQI
29th May 2025
24AQI
30th May 2025
22AQI
31st May 2025
33AQI
1st June 2025
28AQI
2nd June 2025
26AQI
3rd June 2025
27AQI
4th June 2025
20AQI
5th June 2025
18AQI
6th June 2025
17AQI
7th June 2025
15AQI
8th June 2025
15AQI
9th June 2025
35AQI
10th June 2025
51AQI
11th June 2025
37AQI
12th June 2025
42AQI
13th June 2025
53AQI
14th June 2025
45AQI
15th June 2025
32AQI
16th June 2025
33AQI
17th June 2025
33AQI
18th June 2025
36AQI
19th June 2025
35AQI
20th June 2025
34AQI
21st June 2025
32AQI
22nd June 2025
30AQI
23rd June 2025
25AQI
24th June 2025
25AQI
25th June 2025
22AQI
26th June 2025
23AQI
27th June 2025
23AQI
28th June 2025
18AQI
29th June 2025
18AQI
30th June 2025
25AQI
1st July 2025
32AQI
2nd July 2025
37AQI
3rd July 2025
30AQI
4th July 2025
26AQI
5th July 2025
22AQI
6th July 2025
19AQI
7th July 2025
19AQI
8th July 2025
20AQI
9th July 2025
25AQI
10th July 2025
26AQI
11th July 2025
24AQI
12th July 2025
24AQI
13th July 2025
27AQI
14th July 2025
36AQI
15th July 2025
27AQI
16th July 2025
26AQI
17th July 2025
22AQI
18th July 2025
23AQI
19th July 2025
26AQI
20th July 2025
25AQI
21st July 2025
19AQI
22nd July 2025
18AQI
23rd July 2025
17AQI
24th July 2025
22AQI
25th July 2025
29AQI
26th July 2025
31AQI
27th July 2025
26AQI
28th July 2025
24AQI
29th July 2025
25AQI
30th July 2025
25AQI
31st July 2025
24AQI
1st August 2025
22AQI
2nd August 2025
20AQI
3rd August 2025
21AQI
4th August 2025
23AQI
5th August 2025
23AQI
6th August 2025
25AQI
7th August 2025
28AQI
8th August 2025
27AQI
9th August 2025
37AQI
10th August 2025
32AQI
11th August 2025
41AQI
12th August 2025
48AQI
13th August 2025
55AQI
14th August 2025
57AQI
15th August 2025
45AQI
16th August 2025
48AQI
17th August 2025
36AQI
18th August 2025
26AQI
19th August 2025
29AQI
20th August 2025
32AQI
21st August 2025
29AQI
22nd August 2025
22AQI
23rd August 2025
21AQI
24th August 2025
23AQI
25th August 2025
24AQI
26th August 2025
29AQI
27th August 2025
30AQI
28th August 2025
31AQI
29th August 2025
25AQI
30th August 2025
21AQI
31st August 2025
19AQI
1st September 2025
20AQI
2nd September 2025
20AQI
3rd September 2025
18AQI
4th September 2025
17AQI
5th September 2025
20AQI
6th September 2025
20AQI
7th September 2025
21AQI
8th September 2025
23AQI
9th September 2025
22AQI
10th September 2025
25AQI
11th September 2025
21AQI
12th September 2025
18AQI
13th September 2025
18AQI
14th September 2025
19AQI
15th September 2025
20AQI
16th September 2025
23AQI
17th September 2025
19AQI
18th September 2025
16AQI
19th September 2025
20AQI
20th September 2025
24AQI
21st September 2025
22AQI
22nd September 2025
18AQI
23rd September 2025
15AQI
24th September 2025
16AQI
25th September 2025
21AQI
26th September 2025
21AQI
27th September 2025
38AQI
28th September 2025
23AQI
29th September 2025
38AQI
30th September 2025
26AQI
1st October 2025
66AQI
2nd October 2025
55AQI
3rd October 2025
50AQI
4th October 2025
42AQI
5th October 2025
49AQI
6th October 2025
54AQI
7th October 2025
56AQI
8th October 2025
62AQI
9th October 2025
60AQI
10th October 2025
70AQI
11th October 2025
80AQI
12th October 2025
90AQI
13th October 2025
45AQI
14th October 2025
53AQI
15th October 2025
59AQI
16th October 2025
60AQI
17th October 2025
59AQI
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

46AQI

58AQI

56AQI

40AQI

31AQI

29AQI

25AQI

31AQI

21AQI

59AQI

No. of days

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

202539AQI

18
13
10
16
2
14
15
2
25
5
29
2
28
2
31
29
2
30
4
13
218
68
4

Highest AQI recorded in

October

59AQI

Lowest AQI recorded in

September

21AQI

202440AQI

22
9
27
2
22
9
30
19
11
24
6
30
1
27
4
21
9
23
8
15
15
23
8
283
82

Highest AQI recorded in

November

48AQI

Lowest AQI recorded in

April

28AQI

202340AQI

2
1
27
4
19
11
22
9
15
15
29
2
29
2
20
9
1
27
4
27
2
25
6
242
65
1

Highest AQI recorded in

June

49AQI

Lowest AQI recorded in

November

31AQI

202245AQI

13
17
19
2
8
21
2
21
9
24
7
25
5
20
2
1
22
6
23
8
4
179
78
2

Highest AQI recorded in

August

91AQI

Lowest AQI recorded in

November

32AQI

202145AQI

21
8
14
14
17
14
19
10
1
30
1
13
17
26
5
29
2
16
14
26
5
12
18
18
13
241
121
1

Highest AQI recorded in

November

55AQI

Lowest AQI recorded in

May

35AQI

202042AQI

7
6
10
11
16
24
6
31
22
9
22
7
1
29
2
16
13
1
24
6
201
60
2

Highest AQI recorded in

April

54AQI

Lowest AQI recorded in

October

31AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2021(Avg.)
45AQI
Least Polluted Year Recorded
2025(Avg.)
39AQI

Brussels's annual 2025 AQI (39) shows an average percentage change of -8.5% (improved AQI) compared to previous years: 2020 (42), 2021 (45), 2022 (45), 2023 (40), 2024 (40).