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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Trophornsterweg, Leeuwarden, Fryslan, 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+

August Air Quality Analysis

Trophornsterweg, Leeuwarden, Fryslan, Netherlands

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
14th Aug 2025
58AQI
Lowest AQI recorded on
21st Aug 2025
16AQI

Same Day Analysis (17th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 18 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Day & Night AQI Trend: 17th Aug - 18th Aug 2026

Trophornsterweg, Leeuwarden, Fryslan, Netherlands

AQI
Day
Night
.

6 AM17th Aug 2026

9 PM

5 AM18th Aug 2026

Day time
Avg. Highest Time
8AM17th Aug

23AQI

Avg. Lowest Time
9PM17th Aug

12AQI

Night time
Avg. Highest Time
2AM18th Aug

17AQI

Avg. Lowest Time
12AM18th Aug

12AQI

In the last 24 hours,

Trophornsterweg's AQI reached its highest point of 23 at 8 AM during the Day, while the lowest point, 12, was recorded at 12 AM during the Night between 17th Aug and 18th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Trophornsterweg, Leeuwarden, Fryslan, Netherlands

JulAug
20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th
Day
Night
20th Jul 2026296 AMAQI
20th Jul 2026297 AMAQI
20th Jul 2026348 AMAQI
20th Jul 2026349 AMAQI
20th Jul 20262510 AMAQI
20th Jul 20262911 AMAQI
20th Jul 20263312 PMAQI
20th Jul 2026271 PMAQI
20th Jul 2026212 PMAQI
20th Jul 2026213 PMAQI
20th Jul 2026304 PMAQI
20th Jul 2026255 PMAQI
20th Jul 2026256 PMAQI
20th Jul 2026237 PMAQI
20th Jul 2026238 PMAQI
20th Jul 2026219 PMAQI
20th Jul 20263810 PMAQI
20th Jul 20263211 PMAQI
21st Jul 20262512 AMAQI
21st Jul 2026251 AMAQI
21st Jul 2026232 AMAQI
21st Jul 2026233 AMAQI
21st Jul 2026254 AMAQI

16°C11/20°C

21st Jul 2026336 AMAQI
21st Jul 2026367 AMAQI
21st Jul 2026428 AMAQI
21st Jul 2026389 AMAQI
21st Jul 20263310 AMAQI
21st Jul 20263311 AMAQI
21st Jul 20263812 PMAQI
21st Jul 2026361 PMAQI
21st Jul 2026382 PMAQI
21st Jul 2026293 PMAQI
21st Jul 2026404 PMAQI
21st Jul 2026215 PMAQI
21st Jul 2026336 PMAQI
21st Jul 2026237 PMAQI
21st Jul 2026258 PMAQI
21st Jul 2026329 PMAQI
21st Jul 20261210 PMAQI
21st Jul 2026811 PMAQI
22nd Jul 2026812 AMAQI
22nd Jul 202681 AMAQI
22nd Jul 2026142 AMAQI
22nd Jul 2026253 AMAQI
22nd Jul 2026254 AMAQI
22nd Jul 2026295 AMAQI

17°C11/22°C

22nd Jul 2026296 AMAQI
22nd Jul 2026257 AMAQI
22nd Jul 2026258 AMAQI
22nd Jul 2026239 AMAQI
22nd Jul 20263810 AMAQI
22nd Jul 20263811 AMAQI
22nd Jul 20263612 PMAQI
22nd Jul 2026331 PMAQI
22nd Jul 2026272 PMAQI
22nd Jul 2026293 PMAQI
22nd Jul 2026334 PMAQI
22nd Jul 2026295 PMAQI
22nd Jul 2026276 PMAQI
22nd Jul 2026257 PMAQI
22nd Jul 2026328 PMAQI
22nd Jul 2026369 PMAQI
22nd Jul 20264210 PMAQI
22nd Jul 20262311 PMAQI
23rd Jul 20263012 AMAQI
23rd Jul 2026331 AMAQI
23rd Jul 2026232 AMAQI
23rd Jul 2026273 AMAQI
23rd Jul 2026234 AMAQI
23rd Jul 2026215 AMAQI

17°C13/20°C

23rd Jul 2026276 AMAQI
23rd Jul 2026297 AMAQI
23rd Jul 2026258 AMAQI
23rd Jul 2026259 AMAQI
23rd Jul 20262310 AMAQI
23rd Jul 20262511 AMAQI
23rd Jul 20262512 PMAQI
23rd Jul 2026231 PMAQI
23rd Jul 2026272 PMAQI
23rd Jul 2026623 PMAQI
23rd Jul 2026674 PMAQI
23rd Jul 2026645 PMAQI
23rd Jul 2026526 PMAQI
23rd Jul 2026507 PMAQI
23rd Jul 2026258 PMAQI
23rd Jul 2026219 PMAQI
23rd Jul 20262910 PMAQI
23rd Jul 20264711 PMAQI
24th Jul 20263112 AMAQI
24th Jul 2026291 AMAQI
24th Jul 2026202 AMAQI
24th Jul 2026233 AMAQI
24th Jul 2026254 AMAQI
24th Jul 2026235 AMAQI

16°C12/21°C

24th Jul 2026236 AMAQI
24th Jul 2026277 AMAQI
24th Jul 2026388 AMAQI
24th Jul 2026329 AMAQI
24th Jul 20263310 AMAQI
24th Jul 20263111 AMAQI
24th Jul 20262712 PMAQI
24th Jul 2026251 PMAQI
24th Jul 2026252 PMAQI
24th Jul 2026273 PMAQI
24th Jul 2026294 PMAQI
24th Jul 2026255 PMAQI
24th Jul 2026296 PMAQI
24th Jul 2026257 PMAQI
24th Jul 2026678 PMAQI
24th Jul 2026669 PMAQI
24th Jul 20263410 PMAQI
24th Jul 20263611 PMAQI
25th Jul 20263312 AMAQI
25th Jul 2026421 AMAQI
25th Jul 2026622 AMAQI
25th Jul 2026713 AMAQI
25th Jul 2026764 AMAQI
25th Jul 2026605 AMAQI

18°C12/24°C

25th Jul 2026486 AMAQI
25th Jul 2026647 AMAQI
25th Jul 2026788 AMAQI
25th Jul 2026789 AMAQI
25th Jul 20268510 AMAQI
25th Jul 20267411 AMAQI
25th Jul 20264212 PMAQI
25th Jul 2026421 PMAQI
25th Jul 2026292 PMAQI
25th Jul 2026343 PMAQI
25th Jul 2026274 PMAQI
25th Jul 2026335 PMAQI
25th Jul 2026256 PMAQI
25th Jul 2026337 PMAQI
25th Jul 2026258 PMAQI
25th Jul 2026259 PMAQI
25th Jul 20262710 PMAQI
25th Jul 20262711 PMAQI
26th Jul 20262712 AMAQI
26th Jul 2026211 AMAQI
26th Jul 2026422 AMAQI
26th Jul 2026403 AMAQI
26th Jul 2026424 AMAQI
26th Jul 2026495 AMAQI

20°C13/26°C

26th Jul 2026546 AMAQI
26th Jul 2026517 AMAQI
26th Jul 2026488 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20263410 AMAQI
26th Jul 20262111 AMAQI
26th Jul 20262712 PMAQI
26th Jul 2026251 PMAQI
26th Jul 2026252 PMAQI
26th Jul 2026253 PMAQI
26th Jul 2026294 PMAQI
26th Jul 2026335 PMAQI
26th Jul 2026316 PMAQI
26th Jul 2026237 PMAQI
26th Jul 2026258 PMAQI
26th Jul 2026259 PMAQI
26th Jul 20262910 PMAQI
26th Jul 20262911 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026231 AMAQI
27th Jul 2026222 AMAQI
27th Jul 2026223 AMAQI
27th Jul 2026234 AMAQI
27th Jul 2026215 AMAQI

18°C15/22°C

27th Jul 2026236 AMAQI
27th Jul 2026217 AMAQI
27th Jul 2026218 AMAQI
27th Jul 2026239 AMAQI
27th Jul 20262310 AMAQI
27th Jul 202619011 AMAQI
27th Jul 202618412 PMAQI
27th Jul 2026251 PMAQI
27th Jul 20261082 PMAQI
27th Jul 2026233 PMAQI
27th Jul 2026254 PMAQI
27th Jul 2026295 PMAQI
27th Jul 2026276 PMAQI
27th Jul 2026297 PMAQI
27th Jul 2026278 PMAQI
27th Jul 2026169 PMAQI
27th Jul 20263210 PMAQI
27th Jul 20262311 PMAQI
28th Jul 20263212 AMAQI
28th Jul 2026321 AMAQI
28th Jul 2026282 AMAQI
28th Jul 2026233 AMAQI
28th Jul 2026294 AMAQI
28th Jul 2026295 AMAQI

17°C13/22°C

28th Jul 2026276 AMAQI
28th Jul 2026367 AMAQI
28th Jul 2026298 AMAQI
28th Jul 2026339 AMAQI
28th Jul 20262310 AMAQI
28th Jul 20264011 AMAQI
28th Jul 20262312 PMAQI
28th Jul 2026231 PMAQI
28th Jul 2026522 PMAQI
28th Jul 2026273 PMAQI
28th Jul 2026254 PMAQI
28th Jul 2026255 PMAQI
28th Jul 2026216 PMAQI
28th Jul 2026507 PMAQI
28th Jul 2026408 PMAQI
28th Jul 2026309 PMAQI
28th Jul 20264010 PMAQI
28th Jul 20262711 PMAQI
29th Jul 20262312 AMAQI
29th Jul 2026251 AMAQI
29th Jul 2026292 AMAQI
29th Jul 2026293 AMAQI
29th Jul 2026314 AMAQI
29th Jul 2026365 AMAQI

20°C13/27°C

29th Jul 2026326 AMAQI
29th Jul 2026507 AMAQI
29th Jul 2026588 AMAQI
29th Jul 2026589 AMAQI
29th Jul 20265510 AMAQI
29th Jul 20265511 AMAQI
29th Jul 20264612 PMAQI
29th Jul 2026361 PMAQI
29th Jul 2026272 PMAQI
29th Jul 2026233 PMAQI
29th Jul 2026254 PMAQI
29th Jul 2026365 PMAQI
29th Jul 2026276 PMAQI
29th Jul 2026337 PMAQI
29th Jul 2026368 PMAQI
29th Jul 2026279 PMAQI
29th Jul 20263110 PMAQI
29th Jul 20262311 PMAQI
30th Jul 20262612 AMAQI
30th Jul 2026491 AMAQI
30th Jul 2026682 AMAQI
30th Jul 2026673 AMAQI
30th Jul 2026554 AMAQI
30th Jul 2026555 AMAQI

25°C18/33°C

30th Jul 2026566 AMAQI
30th Jul 2026527 AMAQI
30th Jul 2026448 AMAQI
30th Jul 2026409 AMAQI
30th Jul 20264410 AMAQI
30th Jul 20265611 AMAQI
30th Jul 20266212 PMAQI
30th Jul 2026401 PMAQI
30th Jul 2026322 PMAQI
30th Jul 2026523 PMAQI
30th Jul 2026504 PMAQI
30th Jul 2026425 PMAQI
30th Jul 2026296 PMAQI
30th Jul 2026237 PMAQI
30th Jul 2026388 PMAQI
30th Jul 2026429 PMAQI
30th Jul 20263210 PMAQI
30th Jul 20263611 PMAQI
31st Jul 20266312 AMAQI
31st Jul 2026601 AMAQI
31st Jul 2026342 AMAQI
31st Jul 2026443 AMAQI
31st Jul 2026364 AMAQI
31st Jul 2026385 AMAQI

23°C16/29°C

31st Jul 2026486 AMAQI
31st Jul 2026367 AMAQI
31st Jul 2026448 AMAQI
31st Jul 2026279 AMAQI
31st Jul 20267610 AMAQI
31st Jul 20264211 AMAQI
31st Jul 20265812 PMAQI
31st Jul 2026571 PMAQI
31st Jul 2026622 PMAQI
31st Jul 2026493 PMAQI
31st Jul 2026464 PMAQI
31st Jul 2026425 PMAQI
31st Jul 2026426 PMAQI
31st Jul 2026367 PMAQI
31st Jul 2026458 PMAQI
31st Jul 2026309 PMAQI
31st Jul 20261610 PMAQI
31st Jul 20262511 PMAQI
1st Aug 20262012 AMAQI
1st Aug 2026251 AMAQI
1st Aug 2026232 AMAQI
1st Aug 2026273 AMAQI
1st Aug 2026254 AMAQI
1st Aug 2026255 AMAQI

18°C13/22°C

1st Aug 2026256 AMAQI
1st Aug 2026237 AMAQI
1st Aug 2026258 AMAQI
1st Aug 2026239 AMAQI
1st Aug 20262110 AMAQI
1st Aug 20263111 AMAQI
1st Aug 20262912 PMAQI
1st Aug 2026441 PMAQI
1st Aug 2026292 PMAQI
1st Aug 2026273 PMAQI
1st Aug 2026334 PMAQI
1st Aug 2026545 PMAQI
1st Aug 2026276 PMAQI
1st Aug 2026277 PMAQI
1st Aug 2026258 PMAQI
1st Aug 2026489 PMAQI
1st Aug 20263610 PMAQI
1st Aug 20263211 PMAQI
2nd Aug 20262712 AMAQI
2nd Aug 2026251 AMAQI
2nd Aug 2026382 AMAQI
2nd Aug 2026213 AMAQI
2nd Aug 2026524 AMAQI
2nd Aug 2026315 AMAQI

17°C11/24°C

2nd Aug 2026256 AMAQI
2nd Aug 2026257 AMAQI
2nd Aug 2026238 AMAQI
2nd Aug 2026239 AMAQI
2nd Aug 20263610 AMAQI
2nd Aug 20263011 AMAQI
2nd Aug 20263012 PMAQI
2nd Aug 2026401 PMAQI
2nd Aug 2026272 PMAQI
2nd Aug 2026253 PMAQI
2nd Aug 2026364 PMAQI
2nd Aug 2026535 PMAQI
2nd Aug 2026336 PMAQI
2nd Aug 2026387 PMAQI
2nd Aug 2026338 PMAQI
2nd Aug 2026299 PMAQI
2nd Aug 20261610 PMAQI
2nd Aug 20262711 PMAQI
3rd Aug 20262512 AMAQI
3rd Aug 2026231 AMAQI
3rd Aug 2026212 AMAQI
3rd Aug 2026233 AMAQI
3rd Aug 2026234 AMAQI
3rd Aug 2026255 AMAQI

19°C11/28°C

3rd Aug 2026256 AMAQI
3rd Aug 2026337 AMAQI
3rd Aug 2026338 AMAQI
3rd Aug 2026259 AMAQI
3rd Aug 20263810 AMAQI
3rd Aug 20262511 AMAQI
3rd Aug 20262712 PMAQI
3rd Aug 2026271 PMAQI
3rd Aug 2026642 PMAQI
3rd Aug 2026283 PMAQI
3rd Aug 2026554 PMAQI
3rd Aug 2026335 PMAQI
3rd Aug 2026296 PMAQI
3rd Aug 2026277 PMAQI
3rd Aug 2026428 PMAQI
3rd Aug 2026279 PMAQI
3rd Aug 20264610 PMAQI
3rd Aug 20264211 PMAQI
4th Aug 20263912 AMAQI
4th Aug 2026401 AMAQI
4th Aug 2026302 AMAQI
4th Aug 2026673 AMAQI
4th Aug 2026824 AMAQI
4th Aug 2026855 AMAQI

24°C16/34°C

4th Aug 2026836 AMAQI
4th Aug 2026767 AMAQI
4th Aug 2026768 AMAQI
4th Aug 2026789 AMAQI
4th Aug 20267410 AMAQI
4th Aug 20266611 AMAQI
4th Aug 20266912 PMAQI
4th Aug 2026651 PMAQI
4th Aug 2026462 PMAQI
4th Aug 2026293 PMAQI
4th Aug 2026254 PMAQI
4th Aug 2026215 PMAQI
4th Aug 2026256 PMAQI
4th Aug 2026237 PMAQI
4th Aug 2026298 PMAQI
4th Aug 2026389 PMAQI
4th Aug 20264010 PMAQI
4th Aug 20264211 PMAQI
5th Aug 20263612 AMAQI
5th Aug 2026311 AMAQI
5th Aug 2026362 AMAQI
5th Aug 2026383 AMAQI
5th Aug 2026334 AMAQI
5th Aug 2026295 AMAQI

26°C20/35°C

5th Aug 2026296 AMAQI
5th Aug 2026427 AMAQI
5th Aug 2026468 AMAQI
5th Aug 2026329 AMAQI
5th Aug 20264410 AMAQI
5th Aug 20264211 AMAQI
5th Aug 20263212 PMAQI
5th Aug 2026251 PMAQI
5th Aug 2026382 PMAQI
5th Aug 2026293 PMAQI
5th Aug 2026214 PMAQI
5th Aug 2026215 PMAQI
5th Aug 2026236 PMAQI
5th Aug 2026207 PMAQI
5th Aug 2026168 PMAQI
5th Aug 2026289 PMAQI
5th Aug 20262810 PMAQI
5th Aug 20262411 PMAQI
6th Aug 20262712 AMAQI
6th Aug 2026321 AMAQI
6th Aug 2026312 AMAQI
6th Aug 2026253 AMAQI
6th Aug 2026254 AMAQI
6th Aug 2026255 AMAQI

23°C18/26°C

6th Aug 2026256 AMAQI
6th Aug 2026217 AMAQI
6th Aug 2026908 AMAQI
6th Aug 2026219 AMAQI
6th Aug 20262710 AMAQI
6th Aug 20263311 AMAQI
6th Aug 20262512 PMAQI
6th Aug 2026251 PMAQI
6th Aug 2026442 PMAQI
6th Aug 2026443 PMAQI
6th Aug 2026344 PMAQI
6th Aug 2026315 PMAQI
6th Aug 2026256 PMAQI
6th Aug 2026277 PMAQI
6th Aug 2026278 PMAQI
6th Aug 2026259 PMAQI
6th Aug 20263810 PMAQI
6th Aug 20262111 PMAQI
7th Aug 20263412 AMAQI
7th Aug 2026231 AMAQI
7th Aug 2026252 AMAQI
7th Aug 2026253 AMAQI
7th Aug 2026294 AMAQI
7th Aug 2026475 AMAQI

18°C14/22°C

7th Aug 2026326 AMAQI
7th Aug 2026257 AMAQI
7th Aug 2026458 AMAQI
7th Aug 2026279 AMAQI
7th Aug 20263610 AMAQI
7th Aug 20262911 AMAQI
7th Aug 20262912 PMAQI
7th Aug 2026331 PMAQI
7th Aug 2026232 PMAQI
7th Aug 2026303 PMAQI
7th Aug 2026464 PMAQI
7th Aug 2026255 PMAQI
7th Aug 2026276 PMAQI
7th Aug 2026427 PMAQI
7th Aug 2026408 PMAQI
7th Aug 2026409 PMAQI
7th Aug 20264210 PMAQI
7th Aug 20262211 PMAQI
8th Aug 20265012 AMAQI
8th Aug 2026421 AMAQI
8th Aug 2026212 AMAQI
8th Aug 2026363 AMAQI
8th Aug 2026544 AMAQI
8th Aug 2026565 AMAQI

17°C12/22°C

8th Aug 2026386 AMAQI
8th Aug 2026337 AMAQI
8th Aug 2026348 AMAQI
8th Aug 2026339 AMAQI
8th Aug 20264610 AMAQI
8th Aug 20265211 AMAQI
8th Aug 20263312 PMAQI
8th Aug 2026251 PMAQI
8th Aug 2026422 PMAQI
8th Aug 2026383 PMAQI
8th Aug 2026504 PMAQI
8th Aug 2026825 PMAQI
8th Aug 2026386 PMAQI
8th Aug 2026167 PMAQI
8th Aug 2026208 PMAQI
8th Aug 2026259 PMAQI
8th Aug 20263310 PMAQI
8th Aug 20263211 PMAQI
9th Aug 20263112 AMAQI
9th Aug 2026271 AMAQI
9th Aug 2026302 AMAQI
9th Aug 2026313 AMAQI
9th Aug 2026314 AMAQI
9th Aug 2026385 AMAQI

18°C10/27°C

9th Aug 2026466 AMAQI
9th Aug 2026557 AMAQI
9th Aug 2026578 AMAQI
9th Aug 2026239 AMAQI
9th Aug 20262410 AMAQI
9th Aug 20262911 AMAQI
9th Aug 20263212 PMAQI
9th Aug 2026331 PMAQI
9th Aug 2026532 PMAQI
9th Aug 2026463 PMAQI
9th Aug 2026424 PMAQI
9th Aug 2026365 PMAQI
9th Aug 2026686 PMAQI
9th Aug 2026297 PMAQI
9th Aug 2026298 PMAQI
9th Aug 2026259 PMAQI
9th Aug 20262310 PMAQI
9th Aug 20263611 PMAQI
10th Aug 20264612 AMAQI
10th Aug 2026421 AMAQI
10th Aug 2026362 AMAQI
10th Aug 2026303 AMAQI
10th Aug 2026364 AMAQI
10th Aug 2026405 AMAQI

22°C14/30°C

10th Aug 2026516 AMAQI
10th Aug 2026407 AMAQI
10th Aug 2026548 AMAQI
10th Aug 2026449 AMAQI
10th Aug 20265610 AMAQI
10th Aug 20263311 AMAQI
10th Aug 20263012 PMAQI
10th Aug 2026481 PMAQI
10th Aug 2026362 PMAQI
10th Aug 2026293 PMAQI
10th Aug 202684 PMAQI
10th Aug 202685 PMAQI
10th Aug 202686 PMAQI
10th Aug 2026107 PMAQI
10th Aug 2026298 PMAQI
10th Aug 2026209 PMAQI
10th Aug 20262110 PMAQI
10th Aug 20262111 PMAQI
11th Aug 20261812 AMAQI
11th Aug 2026331 AMAQI
11th Aug 2026252 AMAQI
11th Aug 2026203 AMAQI
11th Aug 2026234 AMAQI
11th Aug 2026225 AMAQI

19°C12/23°C

11th Aug 2026146 AMAQI
11th Aug 2026107 AMAQI
11th Aug 2026188 AMAQI
11th Aug 2026339 AMAQI
11th Aug 20263810 AMAQI
11th Aug 20263611 AMAQI
11th Aug 20263812 PMAQI
11th Aug 2026361 PMAQI
11th Aug 2026402 PMAQI
11th Aug 2026383 PMAQI
11th Aug 2026344 PMAQI
11th Aug 2026475 PMAQI
11th Aug 2026456 PMAQI
11th Aug 2026257 PMAQI
11th Aug 2026298 PMAQI
11th Aug 2026299 PMAQI
11th Aug 20262710 PMAQI
11th Aug 20262511 PMAQI
12th Aug 20264212 AMAQI
12th Aug 2026361 AMAQI
12th Aug 2026382 AMAQI
12th Aug 2026293 AMAQI
12th Aug 2026364 AMAQI
12th Aug 2026295 AMAQI

16°C10/23°C

12th Aug 2026296 AMAQI
12th Aug 2026317 AMAQI
12th Aug 2026368 AMAQI
12th Aug 2026409 AMAQI
12th Aug 20262510 AMAQI
12th Aug 20263111 AMAQI
12th Aug 20264012 PMAQI
12th Aug 2026421 PMAQI
12th Aug 2026332 PMAQI
12th Aug 2026333 PMAQI
12th Aug 2026444 PMAQI
12th Aug 2026425 PMAQI
12th Aug 2026366 PMAQI
12th Aug 2026367 PMAQI
12th Aug 2026388 PMAQI
12th Aug 2026389 PMAQI
12th Aug 20262910 PMAQI
12th Aug 20262711 PMAQI
13th Aug 20262712 AMAQI
13th Aug 2026251 AMAQI
13th Aug 2026272 AMAQI
13th Aug 2026293 AMAQI
13th Aug 2026294 AMAQI
13th Aug 2026295 AMAQI

19°C9/30°C

13th Aug 2026276 AMAQI
13th Aug 2026347 AMAQI
13th Aug 2026298 AMAQI
13th Aug 2026389 AMAQI
13th Aug 20262710 AMAQI
13th Aug 20264411 AMAQI
13th Aug 20263112 PMAQI
13th Aug 2026331 PMAQI
13th Aug 2026292 PMAQI
13th Aug 2026333 PMAQI
13th Aug 2026344 PMAQI
13th Aug 2026515 PMAQI
13th Aug 2026346 PMAQI
13th Aug 2026467 PMAQI
13th Aug 2026488 PMAQI
13th Aug 2026369 PMAQI
13th Aug 20263610 PMAQI
13th Aug 20263411 PMAQI
14th Aug 20263312 AMAQI
14th Aug 2026361 AMAQI
14th Aug 2026492 AMAQI
14th Aug 2026503 AMAQI
14th Aug 2026384 AMAQI
14th Aug 2026255 AMAQI

25°C15/35°C

14th Aug 2026296 AMAQI
14th Aug 2026217 AMAQI
14th Aug 2026218 AMAQI
14th Aug 2026219 AMAQI
14th Aug 20262310 AMAQI
14th Aug 20262511 AMAQI
14th Aug 20262512 PMAQI
14th Aug 2026221 PMAQI
14th Aug 2026232 PMAQI
14th Aug 2026253 PMAQI
14th Aug 2026214 PMAQI
14th Aug 2026215 PMAQI
14th Aug 2026216 PMAQI
14th Aug 2026217 PMAQI
14th Aug 2026218 PMAQI
14th Aug 2026219 PMAQI
14th Aug 20262910 PMAQI
14th Aug 20262911 PMAQI
15th Aug 20262712 AMAQI
15th Aug 2026291 AMAQI
15th Aug 2026272 AMAQI
15th Aug 2026273 AMAQI
15th Aug 2026274 AMAQI
15th Aug 2026255 AMAQI

26°C18/36°C

15th Aug 2026276 AMAQI
15th Aug 2026297 AMAQI
15th Aug 2026258 AMAQI
15th Aug 2026219 AMAQI
15th Aug 20262510 AMAQI
15th Aug 20262111 AMAQI
15th Aug 20262312 PMAQI
15th Aug 2026231 PMAQI
15th Aug 2026212 PMAQI
15th Aug 2026213 PMAQI
15th Aug 2026234 PMAQI
15th Aug 2026215 PMAQI
15th Aug 2026256 PMAQI
15th Aug 2026237 PMAQI
15th Aug 2026238 PMAQI
15th Aug 2026259 PMAQI
15th Aug 20262510 PMAQI
15th Aug 20262511 PMAQI
16th Aug 20262712 AMAQI
16th Aug 2026291 AMAQI
16th Aug 2026312 AMAQI
16th Aug 2026313 AMAQI
16th Aug 2026254 AMAQI
16th Aug 2026235 AMAQI

20°C15/27°C

16th Aug 2026276 AMAQI
16th Aug 2026277 AMAQI
16th Aug 2026368 AMAQI
16th Aug 2026529 AMAQI
16th Aug 20262310 AMAQI
16th Aug 20262311 AMAQI
16th Aug 20262512 PMAQI
16th Aug 2026211 PMAQI
16th Aug 2026232 PMAQI
16th Aug 2026233 PMAQI
16th Aug 2026214 PMAQI
16th Aug 2026215 PMAQI
16th Aug 2026196 PMAQI
16th Aug 2026197 PMAQI
16th Aug 2026388 PMAQI
16th Aug 2026549 PMAQI
16th Aug 20265210 PMAQI
16th Aug 20265511 PMAQI
17th Aug 20261912 AMAQI
17th Aug 2026191 AMAQI
17th Aug 2026172 AMAQI
17th Aug 2026213 AMAQI
17th Aug 2026174 AMAQI
17th Aug 2026195 AMAQI

18°C14/22°C

17th Aug 2026216 AMAQI
17th Aug 2026217 AMAQI
17th Aug 2026238 AMAQI
17th Aug 2026239 AMAQI
17th Aug 20261710 AMAQI
17th Aug 20262111 AMAQI
17th Aug 20261912 PMAQI
17th Aug 2026191 PMAQI
17th Aug 2026192 PMAQI
17th Aug 2026173 PMAQI
17th Aug 2026194 PMAQI
17th Aug 2026195 PMAQI
17th Aug 2026196 PMAQI
17th Aug 2026177 PMAQI
17th Aug 2026178 PMAQI
17th Aug 2026129 PMAQI
17th Aug 20261410 PMAQI
17th Aug 20261211 PMAQI
18th Aug 20261212 AMAQI
18th Aug 2026141 AMAQI
18th Aug 2026172 AMAQI
18th Aug 2026173 AMAQI
18th Aug 2026144 AMAQI
18th Aug 2026175 AMAQI

9°C-2/21°C

18th Aug 2026146 AMAQI
6 AM
18th Aug 2026147 AMAQI
18th Aug 2026198 AMAQI
18th Aug 2026199 AMAQI
18th Aug 20261910 AMAQI
18th Aug 20262311 AMAQI
18th Aug 20262512 PMAQI
18th Aug 2026231 PMAQI
1 PM
18th Aug 2026212 PMAQI
18th Aug 2026253 PMAQI
18th Aug 2026214 PMAQI
18th Aug 2026195 PMAQI
18th Aug 2026236 PMAQI
18th Aug 2026257 PMAQI
18th Aug 2026218 PMAQI
18th Aug 2026219 PMAQI
9 PM
18th Aug 20262510 PMAQI
18th Aug 20262111 PMAQI
1 AM
5 AM

15°C12/22°C

Day time
Avg. Highest Time
11 AM

41AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
7 PM

28AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 11 AM (Avg. 41), while the lowest AQI was between 7 PM to 7 PM (Avg. 28).
Night time
Avg. Highest Time
4 AM - 5 AM

34AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
11 PM

29AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 5 AM (Avg. 34), while the lowest AQI was between 11 PM to 11 PM (Avg. 29).

2026 Days Vs Air Quality

Trophornsterweg, Leeuwarden, Fryslan, Netherlands

2026

85%

192

14%

32

0.8%

2

Total number of days with different AQI categories in last 230 days in 2026 (135 days remaining)

Good
192 Days
Moderate
32 Days
Poor
2 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 85%

Health Risk Level:

Low

In 2026, 85% of 230 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

Trophornsterweg, Leeuwarden, Fryslan, Netherlands

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
28AQI (US)
2nd January 2026
15AQI (US)
3rd January 2026
13AQI (US)
4th January 2026
12AQI (US)
5th January 2026
36AQI (US)
6th January 2026
30AQI (US)
7th January 2026
46AQI (US)
8th January 2026
34AQI (US)
9th January 2026
28AQI (US)
10th January 2026
24AQI (US)
11th January 2026
49AQI (US)
12th January 2026
28AQI (US)
13th January 2026
37AQI (US)
14th January 2026
20AQI (US)
15th January 2026
25AQI (US)
16th January 2026
20AQI (US)
17th January 2026
39AQI (US)
18th January 2026
54AQI (US)
19th January 2026
55AQI (US)
20th January 2026
71AQI (US)
21st January 2026
61AQI (US)
22nd January 2026
74AQI (US)
23rd January 2026
93AQI (US)
24th January 2026
129AQI (US)
25th January 2026
141AQI (US)
26th January 2026
74AQI (US)
27th January 2026
33AQI (US)
28th January 2026
56AQI (US)
29th January 2026
56AQI (US)
30th January 2026
73AQI (US)
31st January 2026
75AQI (US)
1st February 2026
66AQI (US)
2nd February 2026
81AQI (US)
3rd February 2026
85AQI (US)
4th February 2026
88AQI (US)
5th February 2026
97AQI (US)
6th February 2026
93AQI (US)
7th February 2026
35AQI (US)
8th February 2026
32AQI (US)
9th February 2026
37AQI (US)
10th February 2026
55AQI (US)
11th February 2026
32AQI (US)
12th February 2026
18AQI (US)
13th February 2026
19AQI (US)
14th February 2026
22AQI (US)
15th February 2026
48AQI (US)
16th February 2026
20AQI (US)
17th February 2026
15AQI (US)
18th February 2026
45AQI (US)
19th February 2026
43AQI (US)
20th February 2026
47AQI (US)
21st February 2026
22AQI (US)
22nd February 2026
21AQI (US)
23rd February 2026
16AQI (US)
24th February 2026
36AQI (US)
25th February 2026
34AQI (US)
26th February 2026
38AQI (US)
27th February 2026
40AQI (US)
28th February 2026
19AQI (US)
1st March 2026
19AQI (US)
2nd March 2026
15AQI (US)
3rd March 2026
46AQI (US)
4th March 2026
39AQI (US)
5th March 2026
76AQI (US)
6th March 2026
76AQI (US)
7th March 2026
77AQI (US)
8th March 2026
73AQI (US)
9th March 2026
66AQI (US)
10th March 2026
93AQI (US)
11th March 2026
41AQI (US)
12th March 2026
17AQI (US)
13th March 2026
16AQI (US)
14th March 2026
19AQI (US)
15th March 2026
13AQI (US)
16th March 2026
15AQI (US)
17th March 2026
31AQI (US)
18th March 2026
27AQI (US)
19th March 2026
66AQI (US)
20th March 2026
30AQI (US)
21st March 2026
32AQI (US)
22nd March 2026
66AQI (US)
23rd March 2026
84AQI (US)
24th March 2026
93AQI (US)
25th March 2026
18AQI (US)
26th March 2026
13AQI (US)
27th March 2026
16AQI (US)
28th March 2026
25AQI (US)
29th March 2026
13AQI (US)
30th March 2026
20AQI (US)
31st March 2026
22AQI (US)
1st April 2026
19AQI (US)
2nd April 2026
33AQI (US)
3rd April 2026
19AQI (US)
4th April 2026
14AQI (US)
5th April 2026
18AQI (US)
6th April 2026
22AQI (US)
7th April 2026
16AQI (US)
8th April 2026
14AQI (US)
9th April 2026
28AQI (US)
10th April 2026
16AQI (US)
11th April 2026
15AQI (US)
12th April 2026
17AQI (US)
13th April 2026
24AQI (US)
14th April 2026
29AQI (US)
15th April 2026
41AQI (US)
16th April 2026
25AQI (US)
17th April 2026
18th April 2026
17AQI (US)
19th April 2026
14AQI (US)
20th April 2026
14AQI (US)
21st April 2026
14AQI (US)
22nd April 2026
23rd April 2026
13AQI (US)
24th April 2026
19AQI (US)
25th April 2026
15AQI (US)
26th April 2026
16AQI (US)
27th April 2026
16AQI (US)
28th April 2026
10AQI (US)
29th April 2026
14AQI (US)
30th April 2026
15AQI (US)
1st May 2026
19AQI (US)
2nd May 2026
38AQI (US)
3rd May 2026
51AQI (US)
4th May 2026
43AQI (US)
5th May 2026
16AQI (US)
6th May 2026
14AQI (US)
7th May 2026
12AQI (US)
8th May 2026
15AQI (US)
9th May 2026
10th May 2026
24AQI (US)
11th May 2026
12AQI (US)
12th May 2026
14AQI (US)
13th May 2026
14AQI (US)
14th May 2026
14AQI (US)
15th May 2026
19AQI (US)
16th May 2026
35AQI (US)
17th May 2026
37AQI (US)
18th May 2026
35AQI (US)
19th May 2026
31AQI (US)
20th May 2026
31AQI (US)
21st May 2026
31AQI (US)
22nd May 2026
35AQI (US)
23rd May 2026
38AQI (US)
24th May 2026
51AQI (US)
25th May 2026
38AQI (US)
26th May 2026
30AQI (US)
27th May 2026
25AQI (US)
28th May 2026
14AQI (US)
29th May 2026
24AQI (US)
30th May 2026
31AQI (US)
31st May 2026
23AQI (US)
1st June 2026
25AQI (US)
2nd June 2026
17AQI (US)
3rd June 2026
13AQI (US)
4th June 2026
12AQI (US)
5th June 2026
13AQI (US)
6th June 2026
12AQI (US)
7th June 2026
12AQI (US)
8th June 2026
12AQI (US)
9th June 2026
10AQI (US)
10th June 2026
11AQI (US)
11th June 2026
9AQI (US)
12th June 2026
10AQI (US)
13th June 2026
15AQI (US)
14th June 2026
15AQI (US)
15th June 2026
11AQI (US)
16th June 2026
13AQI (US)
17th June 2026
17AQI (US)
18th June 2026
12AQI (US)
19th June 2026
19AQI (US)
20th June 2026
16AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
9AQI (US)
23rd June 2026
10AQI (US)
24th June 2026
28AQI (US)
25th June 2026
43AQI (US)
26th June 2026
32AQI (US)
27th June 2026
62AQI (US)
28th June 2026
21AQI (US)
29th June 2026
12AQI (US)
30th June 2026
12AQI (US)
1st July 2026
19AQI (US)
2nd July 2026
18AQI (US)
3rd July 2026
12AQI (US)
4th July 2026
9AQI (US)
5th July 2026
8AQI (US)
6th July 2026
15AQI (US)
7th July 2026
11AQI (US)
8th July 2026
8AQI (US)
9th July 2026
11AQI (US)
10th July 2026
14AQI (US)
11th July 2026
34AQI (US)
12th July 2026
25AQI (US)
13th July 2026
23AQI (US)
14th July 2026
21AQI (US)
15th July 2026
23AQI (US)
16th July 2026
19AQI (US)
17th July 2026
48AQI (US)
18th July 2026
43AQI (US)
19th July 2026
39AQI (US)
20th July 2026
29AQI (US)
21st July 2026
29AQI (US)
22nd July 2026
27AQI (US)
23rd July 2026
33AQI (US)
24th July 2026
31AQI (US)
25th July 2026
48AQI (US)
26th July 2026
32AQI (US)
27th July 2026
41AQI (US)
28th July 2026
31AQI (US)
29th July 2026
35AQI (US)
30th July 2026
45AQI (US)
31st July 2026
44AQI (US)
1st August 2026
29AQI (US)
2nd August 2026
31AQI (US)
3rd August 2026
32AQI (US)
4th August 2026
52AQI (US)
5th August 2026
31AQI (US)
6th August 2026
31AQI (US)
7th August 2026
32AQI (US)
8th August 2026
39AQI (US)
9th August 2026
36AQI (US)
10th August 2026
32AQI (US)
11th August 2026
29AQI (US)
12th August 2026
35AQI (US)
13th August 2026
34AQI (US)
14th August 2026
27AQI (US)
15th August 2026
24AQI (US)
16th August 2026
30AQI (US)
17th August 2026
18AQI (US)
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

49AQI (US)

43AQI (US)

41AQI (US)

19AQI (US)

27AQI (US)

17AQI (US)

27AQI (US)

32AQI (US)

No. of days

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

202632AQI (US)

18
11
2
21
7
21
10
28
28
2
29
1
31
16
1
192
32
2

Highest AQI (US) recorded in

January

49AQI (US)

Lowest AQI (US) recorded in

June

17AQI (US)

202534AQI (US)

25
6
10
18
12
19
30
31
30
31
30
1
28
2
28
3
28
2
26
5
309
56

Highest AQI (US) recorded in

February

54AQI (US)

Lowest AQI (US) recorded in

May

24AQI (US)

202426AQI (US)

31
29
31
30
31
30
30
1
31
30
31
26
4
31
361
5

Highest AQI (US) recorded in

November

33AQI (US)

Lowest AQI (US) recorded in

January

12AQI (US)

202323AQI (US)

31
28
31
30
31
30
31
30
1
30
31
29
31
363
1

Highest AQI (US) recorded in

June

33AQI (US)

Lowest AQI (US) recorded in

November

9AQI (US)

202225AQI (US)

30
21
30
1
30
31
30
23
1
1
28
31
30
31
316
2

Highest AQI (US) recorded in

March

30AQI (US)

Lowest AQI (US) recorded in

November

18AQI (US)

202125AQI (US)

29
28
31
30
31
30
31
31
30
31
30
31
363

Highest AQI (US) recorded in

April

31AQI (US)

Lowest AQI (US) recorded in

December

18AQI (US)

202024AQI (US)

13
21
18
30
31
31
30
31
30
31
266

Highest AQI (US) recorded in

August

30AQI (US)

Lowest AQI (US) recorded in

December

18AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
34AQI (US)
Least Polluted Year Recorded
2023(Avg.)
23AQI (US)

Trophornsterweg's annual 2026 AQI (US) (32) shows an average percentage change of 24.2% (worsened AQI (US)) compared to previous years: 2020 (24), 2021 (25), 2022 (25), 2023 (23), 2024 (26), 2025 (34).