Haarlem, Noord Holland, Netherlands 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+
November Air Quality Analysis
Haarlem, Noord Holland, Netherlands
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
6th Nov 2024
94AQILowest AQI recorded on
2nd Nov 2023
12AQISame Day Analysis (4th November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 35 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 5th Nov - 6th Nov 2025
Haarlem, Noord Holland, Netherlands
AQI
Day
Night
.
8 AM5th Nov 2025
6 PM
7 AM6th Nov 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
3PM5th Nov
39AQI
Avg. Lowest Time
10AM5th Nov
26AQI
In the last 24 hours,
Haarlem's AQI reached its highest point of 39 at 3 PM during the Night, while the lowest point, undefined, was recorded at 7 AM during the Night between 5th Nov and 6th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Haarlem, Noord Holland, Netherlands
OctNov
07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th
Day
Night
7th Oct 2025381 PMAQI
7th Oct 2025602 PMAQI
7th Oct 2025603 PMAQI
7th Oct 2025584 PMAQI
7th Oct 2025505 PMAQI
7th Oct 2025486 PMAQI
7th Oct 2025527 PMAQI
7th Oct 2025508 PMAQI
7th Oct 2025509 PMAQI
7th Oct 20255010 PMAQI
7th Oct 20255111 PMAQI
8th Oct 20254912 AMAQI
8th Oct 2025461 AMAQI
8th Oct 2025432 AMAQI
8th Oct 2025453 AMAQI
8th Oct 2025474 AMAQI
8th Oct 2025515 AMAQI
8th Oct 2025506 AMAQI
8th Oct 2025497 AMAQI
15°C15/16°C
8th Oct 2025538 AMAQI
8th Oct 2025539 AMAQI
8th Oct 20255010 AMAQI
8th Oct 20255011 AMAQI
8th Oct 20255012 PMAQI
8th Oct 2025501 PMAQI
8th Oct 2025482 PMAQI
8th Oct 2025503 PMAQI
8th Oct 2025504 PMAQI
8th Oct 2025505 PMAQI
8th Oct 2025496 PMAQI
8th Oct 2025507 PMAQI
8th Oct 2025478 PMAQI
8th Oct 2025429 PMAQI
8th Oct 20253710 PMAQI
8th Oct 20254111 PMAQI
9th Oct 20253712 AMAQI
9th Oct 2025371 AMAQI
9th Oct 2025392 AMAQI
9th Oct 2025473 AMAQI
9th Oct 2025484 AMAQI
9th Oct 2025465 AMAQI
9th Oct 2025446 AMAQI
9th Oct 2025447 AMAQI
15°C13/15°C
9th Oct 2025448 AMAQI
9th Oct 2025409 AMAQI
9th Oct 20254410 AMAQI
9th Oct 20254911 AMAQI
9th Oct 20254912 PMAQI
9th Oct 2025491 PMAQI
9th Oct 2025522 PMAQI
9th Oct 2025493 PMAQI
9th Oct 2025494 PMAQI
9th Oct 2025485 PMAQI
9th Oct 2025486 PMAQI
9th Oct 2025517 PMAQI
9th Oct 2025518 PMAQI
9th Oct 2025519 PMAQI
9th Oct 20255110 PMAQI
9th Oct 20254711 PMAQI
10th Oct 20255012 AMAQI
10th Oct 2025521 AMAQI
10th Oct 2025542 AMAQI
10th Oct 2025523 AMAQI
10th Oct 2025484 AMAQI
10th Oct 2025505 AMAQI
10th Oct 2025486 AMAQI
10th Oct 2025477 AMAQI
14°C13/14°C
10th Oct 2025478 AMAQI
10th Oct 2025519 AMAQI
10th Oct 20254910 AMAQI
10th Oct 20254711 AMAQI
10th Oct 20254612 PMAQI
10th Oct 2025491 PMAQI
10th Oct 2025492 PMAQI
10th Oct 2025503 PMAQI
10th Oct 2025494 PMAQI
10th Oct 2025475 PMAQI
10th Oct 2025466 PMAQI
10th Oct 2025517 PMAQI
10th Oct 2025528 PMAQI
10th Oct 2025509 PMAQI
10th Oct 20255110 PMAQI
10th Oct 20254911 PMAQI
11th Oct 20254912 AMAQI
11th Oct 2025511 AMAQI
11th Oct 2025522 AMAQI
11th Oct 2025513 AMAQI
11th Oct 2025494 AMAQI
11th Oct 2025515 AMAQI
11th Oct 2025496 AMAQI
11th Oct 2025497 AMAQI
15°C14/16°C
11th Oct 2025508 AMAQI
11th Oct 2025499 AMAQI
11th Oct 20255210 AMAQI
11th Oct 20255111 AMAQI
11th Oct 20254912 PMAQI
11th Oct 2025491 PMAQI
11th Oct 2025512 PMAQI
11th Oct 2025493 PMAQI
11th Oct 2025484 PMAQI
11th Oct 2025485 PMAQI
11th Oct 2025496 PMAQI
11th Oct 2025467 PMAQI
11th Oct 2025488 PMAQI
11th Oct 2025489 PMAQI
11th Oct 20254810 PMAQI
11th Oct 20255011 PMAQI
12th Oct 20255212 AMAQI
12th Oct 2025521 AMAQI
12th Oct 2025482 AMAQI
12th Oct 2025483 AMAQI
12th Oct 2025524 AMAQI
12th Oct 2025515 AMAQI
12th Oct 2025496 AMAQI
12th Oct 2025517 AMAQI
14°C13/16°C
12th Oct 2025528 AMAQI
12th Oct 2025509 AMAQI
12th Oct 20254610 AMAQI
12th Oct 20254811 AMAQI
12th Oct 20255312 PMAQI
12th Oct 2025521 PMAQI
12th Oct 2025472 PMAQI
12th Oct 2025483 PMAQI
12th Oct 2025494 PMAQI
12th Oct 2025515 PMAQI
12th Oct 2025526 PMAQI
12th Oct 2025437 PMAQI
12th Oct 2025428 PMAQI
12th Oct 2025439 PMAQI
12th Oct 20254310 PMAQI
12th Oct 20253811 PMAQI
13th Oct 20253812 AMAQI
13th Oct 2025341 AMAQI
13th Oct 2025372 AMAQI
13th Oct 2025293 AMAQI
13th Oct 2025254 AMAQI
13th Oct 2025305 AMAQI
13th Oct 2025346 AMAQI
13th Oct 2025377 AMAQI
14°C13/15°C
13th Oct 2025328 AMAQI
13th Oct 2025329 AMAQI
13th Oct 20253910 AMAQI
13th Oct 20253911 AMAQI
13th Oct 20253912 PMAQI
13th Oct 2025391 PMAQI
13th Oct 2025392 PMAQI
13th Oct 2025403 PMAQI
13th Oct 2025424 PMAQI
13th Oct 2025505 PMAQI
13th Oct 2025566 PMAQI
13th Oct 2025627 PMAQI
13th Oct 2025618 PMAQI
13th Oct 2025569 PMAQI
13th Oct 20256610 PMAQI
13th Oct 20257011 PMAQI
14th Oct 20256612 AMAQI
14th Oct 2025591 AMAQI
14th Oct 2025572 AMAQI
14th Oct 2025553 AMAQI
14th Oct 2025524 AMAQI
14th Oct 2025575 AMAQI
14th Oct 2025566 AMAQI
14th Oct 2025547 AMAQI
14°C13/16°C
14th Oct 2025568 AMAQI
14th Oct 2025579 AMAQI
14th Oct 20255410 AMAQI
14th Oct 20255111 AMAQI
14th Oct 20256112 PMAQI
14th Oct 2025551 PMAQI
14th Oct 2025542 PMAQI
14th Oct 2025553 PMAQI
14th Oct 2025474 PMAQI
14th Oct 2025465 PMAQI
14th Oct 2025506 PMAQI
14th Oct 2025647 PMAQI
14th Oct 2025708 PMAQI
14th Oct 2025569 PMAQI
14th Oct 20254910 PMAQI
14th Oct 20254511 PMAQI
15th Oct 20254812 AMAQI
15th Oct 2025501 AMAQI
15th Oct 2025532 AMAQI
15th Oct 2025503 AMAQI
15th Oct 2025484 AMAQI
15th Oct 2025495 AMAQI
15th Oct 2025486 AMAQI
15th Oct 2025477 AMAQI
14°C14/15°C
15th Oct 2025468 AMAQI
15th Oct 2025479 AMAQI
15th Oct 20255610 AMAQI
15th Oct 20256411 AMAQI
15th Oct 20256512 PMAQI
15th Oct 2025531 PMAQI
15th Oct 2025502 PMAQI
15th Oct 2025473 PMAQI
15th Oct 2025424 PMAQI
15th Oct 2025275 PMAQI
15th Oct 2025266 PMAQI
15th Oct 2025257 PMAQI
15th Oct 2025388 PMAQI
15th Oct 2025449 PMAQI
15th Oct 20254510 PMAQI
15th Oct 20254811 PMAQI
16th Oct 20255112 AMAQI
16th Oct 2025501 AMAQI
16th Oct 2025482 AMAQI
16th Oct 2025483 AMAQI
16th Oct 2025474 AMAQI
16th Oct 2025425 AMAQI
16th Oct 2025416 AMAQI
16th Oct 2025427 AMAQI
14°C13/14°C
16th Oct 2025438 AMAQI
16th Oct 2025439 AMAQI
16th Oct 20254410 AMAQI
16th Oct 20254611 AMAQI
16th Oct 20254612 PMAQI
16th Oct 2025451 PMAQI
16th Oct 2025432 PMAQI
16th Oct 2025433 PMAQI
16th Oct 2025434 PMAQI
16th Oct 2025405 PMAQI
16th Oct 2025426 PMAQI
16th Oct 2025447 PMAQI
16th Oct 2025438 PMAQI
16th Oct 2025369 PMAQI
16th Oct 20253110 PMAQI
16th Oct 20253511 PMAQI
17th Oct 20254512 AMAQI
17th Oct 2025461 AMAQI
17th Oct 2025492 AMAQI
17th Oct 2025483 AMAQI
17th Oct 2025464 AMAQI
17th Oct 2025405 AMAQI
17th Oct 2025406 AMAQI
17th Oct 2025467 AMAQI
14°C13/14°C
17th Oct 2025478 AMAQI
17th Oct 2025449 AMAQI
17th Oct 20254710 AMAQI
17th Oct 20254911 AMAQI
17th Oct 20255012 PMAQI
17th Oct 2025341 PMAQI
17th Oct 2025442 PMAQI
17th Oct 2025483 PMAQI
17th Oct 2025504 PMAQI
17th Oct 2025465 PMAQI
17th Oct 2025456 PMAQI
17th Oct 2025457 PMAQI
17th Oct 2025468 PMAQI
17th Oct 2025529 PMAQI
17th Oct 20255210 PMAQI
17th Oct 20255211 PMAQI
18th Oct 20255012 AMAQI
18th Oct 2025491 AMAQI
18th Oct 2025472 AMAQI
18th Oct 2025483 AMAQI
18th Oct 2025484 AMAQI
18th Oct 2025445 AMAQI
18th Oct 2025336 AMAQI
18th Oct 2025427 AMAQI
13°C12/13°C
18th Oct 2025478 AMAQI
18th Oct 2025469 AMAQI
18th Oct 20254310 AMAQI
18th Oct 20254211 AMAQI
18th Oct 20254412 PMAQI
18th Oct 2025451 PMAQI
18th Oct 2025382 PMAQI
18th Oct 2025323 PMAQI
18th Oct 2025304 PMAQI
18th Oct 2025285 PMAQI
18th Oct 2025406 PMAQI
18th Oct 2025447 PMAQI
18th Oct 2025508 PMAQI
18th Oct 2025509 PMAQI
18th Oct 20255010 PMAQI
18th Oct 20255111 PMAQI
19th Oct 20254912 AMAQI
19th Oct 2025541 AMAQI
19th Oct 2025562 AMAQI
19th Oct 2025543 AMAQI
19th Oct 2025544 AMAQI
19th Oct 2025525 AMAQI
19th Oct 2025546 AMAQI
19th Oct 2025577 AMAQI
11°C9/13°C
19th Oct 2025528 AMAQI
19th Oct 2025529 AMAQI
19th Oct 20255410 AMAQI
19th Oct 20255411 AMAQI
19th Oct 20255612 PMAQI
19th Oct 2025581 PMAQI
19th Oct 2025512 PMAQI
19th Oct 2025523 PMAQI
19th Oct 2025544 PMAQI
19th Oct 2025595 PMAQI
19th Oct 2025596 PMAQI
19th Oct 2025597 PMAQI
19th Oct 2025608 PMAQI
19th Oct 2025609 PMAQI
19th Oct 20256010 PMAQI
19th Oct 20255911 PMAQI
20th Oct 20255712 AMAQI
20th Oct 2025571 AMAQI
20th Oct 2025582 AMAQI
20th Oct 2025573 AMAQI
20th Oct 2025574 AMAQI
20th Oct 2025565 AMAQI
20th Oct 2025546 AMAQI
20th Oct 2025547 AMAQI
12°C9/15°C
20th Oct 2025558 AMAQI
20th Oct 2025549 AMAQI
20th Oct 20255510 AMAQI
20th Oct 20255611 AMAQI
20th Oct 20255712 PMAQI
20th Oct 2025571 PMAQI
20th Oct 2025562 PMAQI
20th Oct 2025563 PMAQI
20th Oct 2025584 PMAQI
20th Oct 2025555 PMAQI
20th Oct 2025346 PMAQI
20th Oct 2025337 PMAQI
20th Oct 2025668 PMAQI
20th Oct 2025889 PMAQI
20th Oct 20257910 PMAQI
20th Oct 20258211 PMAQI
21st Oct 20258212 AMAQI
21st Oct 20251011 AMAQI
21st Oct 2025772 AMAQI
21st Oct 2025663 AMAQI
21st Oct 2025544 AMAQI
21st Oct 2025395 AMAQI
21st Oct 2025286 AMAQI
21st Oct 2025197 AMAQI
14°C13/16°C
21st Oct 2025158 AMAQI
21st Oct 2025149 AMAQI
21st Oct 20251710 AMAQI
21st Oct 20251811 AMAQI
21st Oct 20252312 PMAQI
21st Oct 2025521 PMAQI
21st Oct 2025552 PMAQI
21st Oct 2025543 PMAQI
21st Oct 2025364 PMAQI
21st Oct 2025295 PMAQI
21st Oct 2025286 PMAQI
21st Oct 2025247 PMAQI
21st Oct 2025228 PMAQI
21st Oct 2025239 PMAQI
21st Oct 20252610 PMAQI
21st Oct 20252511 PMAQI
22nd Oct 20252612 AMAQI
22nd Oct 2025251 AMAQI
22nd Oct 2025262 AMAQI
22nd Oct 2025273 AMAQI
22nd Oct 2025294 AMAQI
22nd Oct 2025285 AMAQI
22nd Oct 2025256 AMAQI
22nd Oct 2025267 AMAQI
14°C13/15°C
22nd Oct 2025238 AMAQI
22nd Oct 2025209 AMAQI
22nd Oct 20252210 AMAQI
22nd Oct 20252411 AMAQI
22nd Oct 20252612 PMAQI
22nd Oct 2025281 PMAQI
22nd Oct 2025272 PMAQI
22nd Oct 2025283 PMAQI
22nd Oct 2025274 PMAQI
22nd Oct 2025265 PMAQI
22nd Oct 2025256 PMAQI
22nd Oct 2025667 PMAQI
22nd Oct 2025558 PMAQI
22nd Oct 2025469 PMAQI
22nd Oct 20253810 PMAQI
22nd Oct 20253711 PMAQI
23rd Oct 20254012 AMAQI
23rd Oct 2025411 AMAQI
23rd Oct 2025422 AMAQI
23rd Oct 2025443 AMAQI
23rd Oct 2025454 AMAQI
23rd Oct 2025435 AMAQI
23rd Oct 2025416 AMAQI
23rd Oct 2025357 AMAQI
13°C12/14°C
23rd Oct 2025338 AMAQI
23rd Oct 2025319 AMAQI
23rd Oct 20252610 AMAQI
23rd Oct 20251811 AMAQI
23rd Oct 20251912 PMAQI
23rd Oct 2025211 PMAQI
23rd Oct 2025242 PMAQI
23rd Oct 2025243 PMAQI
23rd Oct 2025224 PMAQI
23rd Oct 2025215 PMAQI
23rd Oct 2025216 PMAQI
23rd Oct 2025177 PMAQI
23rd Oct 2025218 PMAQI
23rd Oct 2025229 PMAQI
23rd Oct 20252810 PMAQI
23rd Oct 20253211 PMAQI
24th Oct 20253912 AMAQI
24th Oct 2025401 AMAQI
24th Oct 2025362 AMAQI
24th Oct 2025383 AMAQI
24th Oct 2025374 AMAQI
24th Oct 2025395 AMAQI
24th Oct 2025416 AMAQI
24th Oct 2025427 AMAQI
12°C11/15°C
24th Oct 2025378 AMAQI
24th Oct 2025369 AMAQI
24th Oct 20253810 AMAQI
24th Oct 20253311 AMAQI
24th Oct 20254112 PMAQI
24th Oct 2025321 PMAQI
24th Oct 2025352 PMAQI
24th Oct 2025403 PMAQI
24th Oct 2025454 PMAQI
24th Oct 2025405 PMAQI
24th Oct 2025356 PMAQI
24th Oct 2025357 PMAQI
24th Oct 2025358 PMAQI
24th Oct 2025369 PMAQI
24th Oct 20253710 PMAQI
24th Oct 20253211 PMAQI
25th Oct 20253112 AMAQI
25th Oct 2025311 AMAQI
25th Oct 2025292 AMAQI
25th Oct 2025283 AMAQI
25th Oct 2025334 AMAQI
25th Oct 2025325 AMAQI
25th Oct 2025326 AMAQI
25th Oct 2025347 AMAQI
11°C11/12°C
25th Oct 2025328 AMAQI
25th Oct 2025279 AMAQI
25th Oct 20252410 AMAQI
25th Oct 20252311 AMAQI
25th Oct 20253812 PMAQI
25th Oct 2025231 PMAQI
25th Oct 2025212 PMAQI
25th Oct 2025213 PMAQI
25th Oct 2025274 PMAQI
25th Oct 2025365 PMAQI
25th Oct 2025386 PMAQI
25th Oct 2025397 PMAQI
25th Oct 2025368 PMAQI
25th Oct 2025349 PMAQI
25th Oct 20252910 PMAQI
25th Oct 20252511 PMAQI
26th Oct 20252512 AMAQI
26th Oct 2025231 AMAQI
26th Oct 2025272 AMAQI
26th Oct 2025303 AMAQI
26th Oct 2025294 AMAQI
26th Oct 2025295 AMAQI
26th Oct 2025306 AMAQI
26th Oct 2025317 AMAQI
11°C10/13°C
26th Oct 2025358 AMAQI
26th Oct 2025369 AMAQI
26th Oct 20253810 AMAQI
26th Oct 20254011 AMAQI
26th Oct 20254512 PMAQI
26th Oct 2025471 PMAQI
26th Oct 2025372 PMAQI
26th Oct 2025343 PMAQI
26th Oct 2025324 PMAQI
26th Oct 2025355 PMAQI
26th Oct 2025396 PMAQI
26th Oct 2025387 PMAQI
26th Oct 2025368 PMAQI
26th Oct 2025329 PMAQI
26th Oct 20253010 PMAQI
26th Oct 20253211 PMAQI
27th Oct 20253012 AMAQI
27th Oct 2025311 AMAQI
27th Oct 2025342 AMAQI
27th Oct 2025363 AMAQI
27th Oct 2025324 AMAQI
27th Oct 2025335 AMAQI
27th Oct 2025356 AMAQI
27th Oct 2025397 AMAQI
10°C9/11°C
27th Oct 2025408 AMAQI
27th Oct 2025419 AMAQI
27th Oct 20254010 AMAQI
27th Oct 20254411 AMAQI
27th Oct 20254112 PMAQI
27th Oct 2025371 PMAQI
27th Oct 2025372 PMAQI
27th Oct 2025343 PMAQI
27th Oct 2025324 PMAQI
27th Oct 2025295 PMAQI
27th Oct 2025286 PMAQI
27th Oct 2025387 PMAQI
27th Oct 2025368 PMAQI
27th Oct 2025329 PMAQI
27th Oct 20253010 PMAQI
27th Oct 20252711 PMAQI
28th Oct 20252812 AMAQI
28th Oct 2025281 AMAQI
28th Oct 2025262 AMAQI
28th Oct 2025253 AMAQI
28th Oct 2025274 AMAQI
28th Oct 2025345 AMAQI
28th Oct 2025326 AMAQI
28th Oct 2025277 AMAQI
11°C10/12°C
28th Oct 2025278 AMAQI
28th Oct 2025299 AMAQI
28th Oct 20252610 AMAQI
28th Oct 20252711 AMAQI
28th Oct 20253312 PMAQI
28th Oct 2025311 PMAQI
28th Oct 2025352 PMAQI
28th Oct 2025363 PMAQI
28th Oct 2025374 PMAQI
28th Oct 2025325 PMAQI
28th Oct 2025386 PMAQI
28th Oct 2025397 PMAQI
28th Oct 2025408 PMAQI
28th Oct 2025399 PMAQI
28th Oct 20254010 PMAQI
28th Oct 20253711 PMAQI
29th Oct 20253412 AMAQI
29th Oct 2025341 AMAQI
29th Oct 2025372 AMAQI
29th Oct 2025393 AMAQI
29th Oct 2025384 AMAQI
29th Oct 2025375 AMAQI
29th Oct 2025436 AMAQI
29th Oct 2025437 AMAQI
12°C11/13°C
29th Oct 2025418 AMAQI
29th Oct 2025399 AMAQI
29th Oct 20253710 AMAQI
29th Oct 20253411 AMAQI
29th Oct 20253112 PMAQI
29th Oct 2025291 PMAQI
29th Oct 2025272 PMAQI
29th Oct 2025343 PMAQI
29th Oct 2025364 PMAQI
29th Oct 2025365 PMAQI
29th Oct 2025456 PMAQI
29th Oct 2025337 PMAQI
29th Oct 2025248 PMAQI
29th Oct 2025239 PMAQI
29th Oct 20252710 PMAQI
29th Oct 20252811 PMAQI
30th Oct 20253212 AMAQI
30th Oct 2025351 AMAQI
30th Oct 2025342 AMAQI
30th Oct 2025243 AMAQI
30th Oct 2025154 AMAQI
30th Oct 2025145 AMAQI
30th Oct 2025186 AMAQI
30th Oct 2025317 AMAQI
12°C11/13°C
30th Oct 2025338 AMAQI
30th Oct 2025359 AMAQI
30th Oct 20253510 AMAQI
30th Oct 20253911 AMAQI
30th Oct 20254112 PMAQI
30th Oct 2025381 PMAQI
30th Oct 2025302 PMAQI
30th Oct 2025303 PMAQI
30th Oct 2025334 PMAQI
30th Oct 2025295 PMAQI
30th Oct 2025306 PMAQI
30th Oct 2025307 PMAQI
30th Oct 2025288 PMAQI
30th Oct 2025249 PMAQI
30th Oct 20252910 PMAQI
30th Oct 20253611 PMAQI
31st Oct 20253512 AMAQI
31st Oct 2025401 AMAQI
31st Oct 2025422 AMAQI
31st Oct 2025423 AMAQI
31st Oct 2025424 AMAQI
31st Oct 2025415 AMAQI
31st Oct 2025406 AMAQI
31st Oct 2025427 AMAQI
12°C11/13°C
31st Oct 2025418 AMAQI
31st Oct 2025349 AMAQI
31st Oct 20252910 AMAQI
31st Oct 20252711 AMAQI
31st Oct 20252612 PMAQI
31st Oct 2025271 PMAQI
31st Oct 2025352 PMAQI
31st Oct 2025343 PMAQI
31st Oct 2025304 PMAQI
31st Oct 2025275 PMAQI
31st Oct 2025346 PMAQI
31st Oct 2025347 PMAQI
31st Oct 2025318 PMAQI
31st Oct 2025319 PMAQI
31st Oct 20252810 PMAQI
31st Oct 20252811 PMAQI
1st Nov 20253312 AMAQI
1st Nov 2025331 AMAQI
1st Nov 2025312 AMAQI
1st Nov 2025323 AMAQI
1st Nov 2025334 AMAQI
1st Nov 2025375 AMAQI
1st Nov 2025416 AMAQI
1st Nov 2025417 AMAQI
13°C11/14°C
1st Nov 2025368 AMAQI
1st Nov 2025309 AMAQI
1st Nov 20252410 AMAQI
1st Nov 20252811 AMAQI
1st Nov 20252712 PMAQI
1st Nov 2025261 PMAQI
1st Nov 2025252 PMAQI
1st Nov 2025203 PMAQI
1st Nov 2025184 PMAQI
1st Nov 2025215 PMAQI
1st Nov 2025246 PMAQI
1st Nov 2025267 PMAQI
1st Nov 2025268 PMAQI
1st Nov 2025329 PMAQI
1st Nov 20253510 PMAQI
1st Nov 20253511 PMAQI
2nd Nov 20253512 AMAQI
2nd Nov 2025361 AMAQI
2nd Nov 2025342 AMAQI
2nd Nov 2025343 AMAQI
2nd Nov 2025324 AMAQI
2nd Nov 2025355 AMAQI
2nd Nov 2025346 AMAQI
2nd Nov 2025267 AMAQI
13°C12/14°C
2nd Nov 2025208 AMAQI
2nd Nov 2025229 AMAQI
2nd Nov 20252410 AMAQI
2nd Nov 20252411 AMAQI
2nd Nov 20252912 PMAQI
2nd Nov 2025321 PMAQI
2nd Nov 2025302 PMAQI
2nd Nov 2025323 PMAQI
2nd Nov 2025354 PMAQI
2nd Nov 2025345 PMAQI
2nd Nov 2025386 PMAQI
2nd Nov 2025337 PMAQI
2nd Nov 2025278 PMAQI
2nd Nov 2025269 PMAQI
2nd Nov 20251910 PMAQI
2nd Nov 20252111 PMAQI
3rd Nov 20252412 AMAQI
3rd Nov 2025241 AMAQI
3rd Nov 2025222 AMAQI
3rd Nov 2025243 AMAQI
3rd Nov 2025254 AMAQI
3rd Nov 2025245 AMAQI
3rd Nov 2025256 AMAQI
3rd Nov 2025267 AMAQI
11°C11/12°C
3rd Nov 2025258 AMAQI
3rd Nov 2025289 AMAQI
3rd Nov 20252810 AMAQI
3rd Nov 20252811 AMAQI
3rd Nov 20253612 PMAQI
3rd Nov 2025351 PMAQI
3rd Nov 2025372 PMAQI
3rd Nov 2025403 PMAQI
3rd Nov 2025394 PMAQI
3rd Nov 2025405 PMAQI
3rd Nov 2025416 PMAQI
3rd Nov 2025507 PMAQI
3rd Nov 2025528 PMAQI
3rd Nov 2025479 PMAQI
3rd Nov 20254410 PMAQI
3rd Nov 20254511 PMAQI
4th Nov 20254312 AMAQI
4th Nov 2025401 AMAQI
4th Nov 2025342 AMAQI
4th Nov 2025313 AMAQI
4th Nov 2025304 AMAQI
4th Nov 2025315 AMAQI
4th Nov 2025306 AMAQI
4th Nov 2025297 AMAQI
12°C11/13°C
4th Nov 2025218 AMAQI
4th Nov 2025359 AMAQI
4th Nov 20253610 AMAQI
4th Nov 20253711 AMAQI
4th Nov 20253812 PMAQI
4th Nov 2025371 PMAQI
4th Nov 2025392 PMAQI
4th Nov 2025443 PMAQI
4th Nov 2025414 PMAQI
4th Nov 2025335 PMAQI
4th Nov 2025296 PMAQI
4th Nov 2025257 PMAQI
4th Nov 2025258 PMAQI
4th Nov 2025269 PMAQI
4th Nov 20252710 PMAQI
4th Nov 20252911 PMAQI
5th Nov 20252812 AMAQI
5th Nov 2025261 AMAQI
5th Nov 2025302 AMAQI
5th Nov 2025333 AMAQI
5th Nov 2025304 AMAQI
5th Nov 2025265 AMAQI
5th Nov 2025256 AMAQI
5th Nov 2025267 AMAQI
14°C13/14°C
5th Nov 2025298 AMAQI
5th Nov 2025299 AMAQI
5th Nov 20252610 AMAQI
5th Nov 20253211 AMAQI
5th Nov 20253112 PMAQI
5th Nov 2025311 PMAQI
5th Nov 2025362 PMAQI
5th Nov 2025393 PMAQI
5th Nov 2025374 PMAQI
5th Nov 2025355 PMAQI
5th Nov 2025346 PMAQI
5th Nov 2025327 PMAQI
5th Nov 2025378 PMAQI
5th Nov 2025379 PMAQI
5th Nov 20253510 PMAQI
5th Nov 20253111 PMAQI
6th Nov 20253612 AMAQI
--°C/°C
8 AM
1 PM
6 PM
1 AM
7 AM
--°C/°C
Day time
Avg. Highest Time
12 PM - 4 PM
40AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
8 AM - 11 AM
38AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 4 PM (Avg. 40), while the lowest AQI was between 8 AM to 11 AM (Avg. 38).
Night time
Avg. Highest Time
12 AM - 11 PM
41AQI
13 hours / Day
390 hours / Month
Avg. Lowest Time
12 AM - 7 AM
40AQI
8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 41), while the lowest AQI was between 12 AM to 7 AM (Avg. 40).
2025 Days Vs Air Quality
Haarlem, Noord Holland, Netherlands
2025
79%
244
19%
60
1%
4
Total number of days with different AQI categories in last 309 days in 2025 (56 days remaining)
Good
244 DaysModerate
60 DaysPoor
4 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2025, 79% of 309 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
Haarlem, Noord Holland, Netherlands
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
47AQI
47AQI
2nd January 2025
31AQI
31AQI
3rd January 2025
33AQI
33AQI
4th January 2025
39AQI
39AQI
5th January 2025
41AQI
41AQI
6th January 2025
29AQI
29AQI
7th January 2025
28AQI
28AQI
8th January 2025
32AQI
32AQI
9th January 2025
33AQI
33AQI
10th January 2025
31AQI
31AQI
11th January 2025
34AQI
34AQI
12th January 2025
29AQI
29AQI
13th January 2025
50AQI
50AQI
14th January 2025
70AQI
70AQI
15th January 2025
47AQI
47AQI
16th January 2025
56AQI
56AQI
17th January 2025
62AQI
62AQI
18th January 2025
53AQI
53AQI
19th January 2025
84AQI
84AQI
20th January 2025
110AQI
110AQI
21st January 2025
84AQI
84AQI
22nd January 2025
73AQI
73AQI
23rd January 2025
52AQI
52AQI
24th January 2025
41AQI
41AQI
25th January 2025
42AQI
42AQI
26th January 2025
42AQI
42AQI
27th January 2025
29AQI
29AQI
28th January 2025
27AQI
27AQI
29th January 2025
26AQI
26AQI
30th January 2025
27AQI
27AQI
31st January 2025
35AQI
35AQI
1st February 2025
41AQI
41AQI
2nd February 2025
45AQI
45AQI
3rd February 2025
52AQI
52AQI
4th February 2025
73AQI
73AQI
5th February 2025
56AQI
56AQI
6th February 2025
41AQI
41AQI
7th February 2025
46AQI
46AQI
8th February 2025
71AQI
71AQI
9th February 2025
96AQI
96AQI
10th February 2025
104AQI
104AQI
11th February 2025
90AQI
90AQI
12th February 2025
83AQI
83AQI
13th February 2025
100AQI
100AQI
14th February 2025
65AQI
65AQI
15th February 2025
66AQI
66AQI
16th February 2025
69AQI
69AQI
17th February 2025
58AQI
58AQI
18th February 2025
67AQI
67AQI
19th February 2025
69AQI
69AQI
20th February 2025
77AQI
77AQI
21st February 2025
54AQI
54AQI
22nd February 2025
50AQI
50AQI
23rd February 2025
48AQI
48AQI
24th February 2025
37AQI
37AQI
25th February 2025
52AQI
52AQI
26th February 2025
34AQI
34AQI
27th February 2025
29AQI
29AQI
28th February 2025
35AQI
35AQI
1st March 2025
32AQI
32AQI
2nd March 2025
53AQI
53AQI
3rd March 2025
71AQI
71AQI
4th March 2025
75AQI
75AQI
5th March 2025
114AQI
114AQI
6th March 2025
93AQI
93AQI
7th March 2025
70AQI
70AQI
8th March 2025
66AQI
66AQI
9th March 2025
91AQI
91AQI
10th March 2025
109AQI
109AQI
11th March 2025
61AQI
61AQI
12th March 2025
36AQI
36AQI
13th March 2025
31AQI
31AQI
14th March 2025
27AQI
27AQI
15th March 2025
31AQI
31AQI
16th March 2025
28AQI
28AQI
17th March 2025
28AQI
28AQI
18th March 2025
37AQI
37AQI
19th March 2025
53AQI
53AQI
20th March 2025
68AQI
68AQI
21st March 2025
73AQI
73AQI
22nd March 2025
58AQI
58AQI
23rd March 2025
53AQI
53AQI
24th March 2025
80AQI
80AQI
25th March 2025
77AQI
77AQI
26th March 2025
41AQI
41AQI
27th March 2025
56AQI
56AQI
28th March 2025
56AQI
56AQI
29th March 2025
39AQI
39AQI
30th March 2025
48AQI
48AQI
31st March 2025
37AQI
37AQI
1st April 2025
34AQI
34AQI
2nd April 2025
38AQI
38AQI
3rd April 2025
50AQI
50AQI
4th April 2025
51AQI
51AQI
5th April 2025
35AQI
35AQI
6th April 2025
23AQI
23AQI
7th April 2025
27AQI
27AQI
8th April 2025
26AQI
26AQI
9th April 2025
31AQI
31AQI
10th April 2025
33AQI
33AQI
11th April 2025
48AQI
48AQI
12th April 2025
57AQI
57AQI
13th April 2025
49AQI
49AQI
14th April 2025
41AQI
41AQI
15th April 2025
50AQI
50AQI
16th April 2025
36AQI
36AQI
17th April 2025
37AQI
37AQI
18th April 2025
29AQI
29AQI
19th April 2025
24AQI
24AQI
20th April 2025
26AQI
26AQI
21st April 2025
34AQI
34AQI
22nd April 2025
50AQI
50AQI
23rd April 2025
53AQI
53AQI
24th April 2025
45AQI
45AQI
25th April 2025
33AQI
33AQI
26th April 2025
44AQI
44AQI
27th April 2025
43AQI
43AQI
28th April 2025
45AQI
45AQI
29th April 2025
46AQI
46AQI
30th April 2025
38AQI
38AQI
1st May 2025
49AQI
49AQI
2nd May 2025
66AQI
66AQI
3rd May 2025
26AQI
26AQI
4th May 2025
24AQI
24AQI
5th May 2025
22AQI
22AQI
6th May 2025
21AQI
21AQI
7th May 2025
27AQI
27AQI
8th May 2025
27AQI
27AQI
9th May 2025
25AQI
25AQI
10th May 2025
27AQI
27AQI
11th May 2025
27AQI
27AQI
12th May 2025
25AQI
25AQI
13th May 2025
28AQI
28AQI
14th May 2025
31AQI
31AQI
15th May 2025
33AQI
33AQI
16th May 2025
33AQI
33AQI
17th May 2025
31AQI
31AQI
18th May 2025
36AQI
36AQI
19th May 2025
31AQI
31AQI
20th May 2025
32AQI
32AQI
21st May 2025
34AQI
34AQI
22nd May 2025
28AQI
28AQI
23rd May 2025
20AQI
20AQI
24th May 2025
30AQI
30AQI
25th May 2025
26AQI
26AQI
26th May 2025
26AQI
26AQI
27th May 2025
24AQI
24AQI
28th May 2025
21AQI
21AQI
29th May 2025
31AQI
31AQI
30th May 2025
25AQI
25AQI
31st May 2025
28AQI
28AQI
1st June 2025
29AQI
29AQI
2nd June 2025
26AQI
26AQI
3rd June 2025
27AQI
27AQI
4th June 2025
22AQI
22AQI
5th June 2025
19AQI
19AQI
6th June 2025
19AQI
19AQI
7th June 2025
18AQI
18AQI
8th June 2025
19AQI
19AQI
9th June 2025
37AQI
37AQI
10th June 2025
48AQI
48AQI
11th June 2025
34AQI
34AQI
12th June 2025
39AQI
39AQI
13th June 2025
54AQI
54AQI
14th June 2025
48AQI
48AQI
15th June 2025
35AQI
35AQI
16th June 2025
33AQI
33AQI
17th June 2025
35AQI
35AQI
18th June 2025
35AQI
35AQI
19th June 2025
31AQI
31AQI
20th June 2025
26AQI
26AQI
21st June 2025
32AQI
32AQI
22nd June 2025
33AQI
33AQI
23rd June 2025
26AQI
26AQI
24th June 2025
29AQI
29AQI
25th June 2025
25AQI
25AQI
26th June 2025
27AQI
27AQI
27th June 2025
25AQI
25AQI
28th June 2025
21AQI
21AQI
29th June 2025
21AQI
21AQI
30th June 2025
27AQI
27AQI
1st July 2025
31AQI
31AQI
2nd July 2025
52AQI
52AQI
3rd July 2025
25AQI
25AQI
4th July 2025
22AQI
22AQI
5th July 2025
22AQI
22AQI
6th July 2025
21AQI
21AQI
7th July 2025
18AQI
18AQI
8th July 2025
21AQI
21AQI
9th July 2025
22AQI
22AQI
10th July 2025
26AQI
26AQI
11th July 2025
22AQI
22AQI
12th July 2025
20AQI
20AQI
13th July 2025
27AQI
27AQI
14th July 2025
27AQI
27AQI
15th July 2025
26AQI
26AQI
16th July 2025
24AQI
24AQI
17th July 2025
22AQI
22AQI
18th July 2025
23AQI
23AQI
19th July 2025
36AQI
36AQI
20th July 2025
41AQI
41AQI
21st July 2025
25AQI
25AQI
22nd July 2025
21AQI
21AQI
23rd July 2025
19AQI
19AQI
24th July 2025
24AQI
24AQI
25th July 2025
21AQI
21AQI
26th July 2025
34AQI
34AQI
27th July 2025
22AQI
22AQI
28th July 2025
25AQI
25AQI
29th July 2025
20AQI
20AQI
30th July 2025
20AQI
20AQI
31st July 2025
20AQI
20AQI
1st August 2025
19AQI
19AQI
2nd August 2025
20AQI
20AQI
3rd August 2025
21AQI
21AQI
4th August 2025
22AQI
22AQI
5th August 2025
23AQI
23AQI
6th August 2025
26AQI
26AQI
7th August 2025
29AQI
29AQI
8th August 2025
30AQI
30AQI
9th August 2025
42AQI
42AQI
10th August 2025
31AQI
31AQI
11th August 2025
30AQI
30AQI
12th August 2025
43AQI
43AQI
13th August 2025
53AQI
53AQI
14th August 2025
57AQI
57AQI
15th August 2025
44AQI
44AQI
16th August 2025
43AQI
43AQI
17th August 2025
28AQI
28AQI
18th August 2025
22AQI
22AQI
19th August 2025
22AQI
22AQI
20th August 2025
25AQI
25AQI
21st August 2025
18AQI
18AQI
22nd August 2025
17AQI
17AQI
23rd August 2025
18AQI
18AQI
24th August 2025
18AQI
18AQI
25th August 2025
21AQI
21AQI
26th August 2025
29AQI
29AQI
27th August 2025
28AQI
28AQI
28th August 2025
30AQI
30AQI
29th August 2025
23AQI
23AQI
30th August 2025
20AQI
20AQI
31st August 2025
18AQI
18AQI
1st September 2025
20AQI
20AQI
2nd September 2025
18AQI
18AQI
3rd September 2025
17AQI
17AQI
4th September 2025
21AQI
21AQI
5th September 2025
18AQI
18AQI
6th September 2025
19AQI
19AQI
7th September 2025
22AQI
22AQI
8th September 2025
22AQI
22AQI
9th September 2025
20AQI
20AQI
10th September 2025
20AQI
20AQI
11th September 2025
19AQI
19AQI
12th September 2025
18AQI
18AQI
13th September 2025
17AQI
17AQI
14th September 2025
18AQI
18AQI
15th September 2025
25AQI
25AQI
16th September 2025
25AQI
25AQI
17th September 2025
21AQI
21AQI
18th September 2025
20AQI
20AQI
19th September 2025
21AQI
21AQI
20th September 2025
34AQI
34AQI
21st September 2025
25AQI
25AQI
22nd September 2025
21AQI
21AQI
23rd September 2025
18AQI
18AQI
24th September 2025
16AQI
16AQI
25th September 2025
23AQI
23AQI
26th September 2025
27AQI
27AQI
27th September 2025
48AQI
48AQI
28th September 2025
51AQI
51AQI
29th September 2025
39AQI
39AQI
30th September 2025
29AQI
29AQI
1st October 2025
57AQI
57AQI
2nd October 2025
62AQI
62AQI
3rd October 2025
53AQI
53AQI
4th October 2025
47AQI
47AQI
5th October 2025
53AQI
53AQI
6th October 2025
52AQI
52AQI
7th October 2025
53AQI
53AQI
8th October 2025
48AQI
48AQI
9th October 2025
47AQI
47AQI
10th October 2025
49AQI
49AQI
11th October 2025
49AQI
49AQI
12th October 2025
48AQI
48AQI
13th October 2025
43AQI
43AQI
14th October 2025
56AQI
56AQI
15th October 2025
46AQI
46AQI
16th October 2025
44AQI
44AQI
17th October 2025
45AQI
45AQI
18th October 2025
45AQI
45AQI
19th October 2025
55AQI
55AQI
20th October 2025
58AQI
58AQI
21st October 2025
46AQI
46AQI
22nd October 2025
31AQI
31AQI
23rd October 2025
31AQI
31AQI
24th October 2025
38AQI
38AQI
25th October 2025
31AQI
31AQI
26th October 2025
32AQI
32AQI
27th October 2025
33AQI
33AQI
28th October 2025
32AQI
32AQI
29th October 2025
34AQI
34AQI
30th October 2025
30AQI
30AQI
31st October 2025
34AQI
34AQI
1st November 2025
30AQI
30AQI
2nd November 2025
31AQI
31AQI
3rd November 2025
32AQI
32AQI
4th November 2025
35AQI
35AQI
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
61AQI
58AQI
39AQI
29AQI
30AQI
25AQI
28AQI
24AQI
45AQI
32AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202538AQI
22
8
1
10
17
1
12
17
2
27
3
30
1
29
1
30
1
29
2
29
1
22
9
4
244
60
4
Highest AQI recorded in
February61AQI
Lowest AQI recorded in
September24AQI
202436AQI
28
3
28
1
23
8
30
27
4
29
1
31
30
1
25
5
30
1
22
8
23
8
326
40
Highest AQI recorded in
March42AQI
Lowest AQI recorded in
July29AQI
202334AQI
28
3
20
7
1
29
2
23
7
28
3
30
31
31
26
4
31
29
29
2
335
28
1
Highest AQI recorded in
February47AQI
Lowest AQI recorded in
August23AQI
202239AQI
24
7
21
13
17
1
29
1
29
2
29
1
22
2
1
27
1
31
26
4
19
12
271
47
1
Highest AQI recorded in
March58AQI
Lowest AQI recorded in
August28AQI
202134AQI
29
1
20
8
22
9
28
2
31
22
8
28
3
31
25
5
31
30
28
3
325
39
Highest AQI recorded in
March44AQI
Lowest AQI recorded in
November20AQI
202035AQI
9
4
16
5
18
28
2
30
1
21
10
26
4
31
21
9
27
4
227
39
Highest AQI recorded in
November41AQI
Lowest AQI recorded in
July26AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
39AQILeast Polluted Year Recorded
2023(Avg.)
34AQIHaarlem's annual 2025 AQI (38) shows an average percentage change of 8.1% (worsened AQI) compared to previous years: 2020 (35), 2021 (34), 2022 (39), 2023 (34), 2024 (36).
