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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Roskilde, Sj Lland, Denmark 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+

September Air Quality Analysis

Roskilde, Sj Lland, Denmark

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
5th Sep 2024
44AQI
Lowest AQI recorded on
28th Sep 2025
10AQI

Same Day Analysis (27th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 31 of Good air quality on the same day.

Day & Night AQI Trend: 27th Sep - 28th Sep 2026

Roskilde, Sj Lland, Denmark

AQI
Day
Night
.

6 AM27th Sep 2026

7 PM

5 AM28th Sep 2026

Day time
Avg. Highest Time
3PM27th Sep

33AQI

Avg. Lowest Time
6PM27th Sep

21AQI

Night time
Avg. Highest Time
5AM28th Sep

46AQI

Avg. Lowest Time
11PM27th Sep

21AQI

In the last 24 hours,

Roskilde's AQI reached its highest point of 46 at 5 AM during the Night, while the lowest point, 21, was recorded at 11 PM during the Night between 27th Sep and 28th Sep 2026.

Day & Night AQI Trend : Aug - Sep 2026

Roskilde, Sj Lland, Denmark

AugSep
30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th
Day
Night
30th Aug 2026296 AMAQI
30th Aug 2026387 AMAQI
30th Aug 2026318 AMAQI
30th Aug 2026319 AMAQI
30th Aug 20262510 AMAQI
30th Aug 20261011 AMAQI
30th Aug 20261612 PMAQI
30th Aug 202681 PMAQI
30th Aug 2026252 PMAQI
30th Aug 2026273 PMAQI
30th Aug 2026294 PMAQI
30th Aug 2026295 PMAQI
30th Aug 2026366 PMAQI
30th Aug 2026297 PMAQI
30th Aug 202678 PMAQI
30th Aug 2026219 PMAQI
30th Aug 20262110 PMAQI
30th Aug 20261411 PMAQI
31st Aug 20262912 AMAQI
31st Aug 2026251 AMAQI
31st Aug 2026122 AMAQI
31st Aug 2026253 AMAQI
31st Aug 2026254 AMAQI
31st Aug 2026215 AMAQI

17°C15/20°C

31st Aug 2026276 AMAQI
31st Aug 2026297 AMAQI
31st Aug 2026298 AMAQI
31st Aug 2026319 AMAQI
31st Aug 20262710 AMAQI
31st Aug 20262911 AMAQI
31st Aug 20262312 PMAQI
31st Aug 2026311 PMAQI
31st Aug 2026232 PMAQI
31st Aug 2026233 PMAQI
31st Aug 2026254 PMAQI
31st Aug 2026105 PMAQI
31st Aug 2026216 PMAQI
31st Aug 2026197 PMAQI
31st Aug 2026178 PMAQI
31st Aug 2026259 PMAQI
31st Aug 20264410 PMAQI
31st Aug 20262511 PMAQI
1st Sep 20262112 AMAQI
1st Sep 2026251 AMAQI
1st Sep 2026292 AMAQI
1st Sep 2026173 AMAQI
1st Sep 2026314 AMAQI
1st Sep 2026255 AMAQI

17°C15/21°C

1st Sep 2026256 AMAQI
1st Sep 2026317 AMAQI
1st Sep 2026348 AMAQI
1st Sep 2026299 AMAQI
1st Sep 20263110 AMAQI
1st Sep 20262311 AMAQI
1st Sep 20262112 PMAQI
1st Sep 2026211 PMAQI
1st Sep 2026212 PMAQI
1st Sep 2026213 PMAQI
1st Sep 2026214 PMAQI
1st Sep 2026255 PMAQI
1st Sep 2026216 PMAQI
1st Sep 2026257 PMAQI
1st Sep 2026468 PMAQI
1st Sep 2026219 PMAQI
1st Sep 20262910 PMAQI
1st Sep 20262511 PMAQI
2nd Sep 20262912 AMAQI
2nd Sep 2026251 AMAQI
2nd Sep 2026252 AMAQI
2nd Sep 2026293 AMAQI
2nd Sep 2026254 AMAQI
2nd Sep 2026255 AMAQI

17°C14/20°C

2nd Sep 2026236 AMAQI
2nd Sep 2026257 AMAQI
2nd Sep 2026298 AMAQI
2nd Sep 2026259 AMAQI
2nd Sep 20262510 AMAQI
2nd Sep 20262511 AMAQI
2nd Sep 20262112 PMAQI
2nd Sep 2026211 PMAQI
2nd Sep 2026252 PMAQI
2nd Sep 2026253 PMAQI
2nd Sep 2026254 PMAQI
2nd Sep 2026255 PMAQI
2nd Sep 2026256 PMAQI
2nd Sep 2026257 PMAQI
2nd Sep 2026198 PMAQI
2nd Sep 2026259 PMAQI
2nd Sep 20262110 PMAQI
2nd Sep 20262111 PMAQI
3rd Sep 20261912 AMAQI
3rd Sep 2026211 AMAQI
3rd Sep 2026212 AMAQI
3rd Sep 2026233 AMAQI
3rd Sep 2026214 AMAQI
3rd Sep 2026165 AMAQI

16°C13/18°C

3rd Sep 2026126 AMAQI
3rd Sep 2026147 AMAQI
3rd Sep 2026168 AMAQI
3rd Sep 2026199 AMAQI
3rd Sep 20262210 AMAQI
3rd Sep 20262511 AMAQI
3rd Sep 20261912 PMAQI
3rd Sep 2026191 PMAQI
3rd Sep 2026232 PMAQI
3rd Sep 2026143 PMAQI
3rd Sep 2026214 PMAQI
3rd Sep 2026235 PMAQI
3rd Sep 2026166 PMAQI
3rd Sep 2026197 PMAQI
3rd Sep 2026198 PMAQI
3rd Sep 2026199 PMAQI
3rd Sep 20261910 PMAQI
3rd Sep 20261911 PMAQI
4th Sep 20261912 AMAQI
4th Sep 2026231 AMAQI
4th Sep 2026232 AMAQI
4th Sep 2026213 AMAQI
4th Sep 2026254 AMAQI
4th Sep 2026275 AMAQI

16°C14/20°C

4th Sep 2026296 AMAQI
4th Sep 2026317 AMAQI
4th Sep 2026368 AMAQI
4th Sep 2026389 AMAQI
4th Sep 20262710 AMAQI
4th Sep 20262711 AMAQI
4th Sep 20262712 PMAQI
4th Sep 2026311 PMAQI
4th Sep 2026252 PMAQI
4th Sep 2026233 PMAQI
4th Sep 2026214 PMAQI
4th Sep 2026235 PMAQI
4th Sep 2026216 PMAQI
4th Sep 2026217 PMAQI
4th Sep 2026218 PMAQI
4th Sep 2026199 PMAQI
4th Sep 20261710 PMAQI
4th Sep 20262111 PMAQI
5th Sep 20262112 AMAQI
5th Sep 2026201 AMAQI
5th Sep 2026212 AMAQI
5th Sep 2026233 AMAQI
5th Sep 2026174 AMAQI
5th Sep 2026315 AMAQI

15°C14/17°C

5th Sep 2026236 AMAQI
5th Sep 2026237 AMAQI
5th Sep 2026218 AMAQI
5th Sep 2026279 AMAQI
5th Sep 20262310 AMAQI
5th Sep 20262111 AMAQI
5th Sep 20262312 PMAQI
5th Sep 2026251 PMAQI
5th Sep 2026292 PMAQI
5th Sep 2026313 PMAQI
5th Sep 2026254 PMAQI
5th Sep 2026255 PMAQI
5th Sep 2026196 PMAQI
5th Sep 2026277 PMAQI
5th Sep 2026298 PMAQI
5th Sep 2026389 PMAQI
5th Sep 20262910 PMAQI
5th Sep 20262111 PMAQI
6th Sep 20262112 AMAQI
6th Sep 2026231 AMAQI
6th Sep 2026212 AMAQI
6th Sep 2026293 AMAQI
6th Sep 2026274 AMAQI
6th Sep 2026275 AMAQI

15°C14/18°C

6th Sep 2026256 AMAQI
6th Sep 2026257 AMAQI
6th Sep 2026318 AMAQI
6th Sep 2026389 AMAQI
6th Sep 20262510 AMAQI
6th Sep 20262111 AMAQI
6th Sep 20262912 PMAQI
6th Sep 2026331 PMAQI
6th Sep 2026252 PMAQI
6th Sep 2026253 PMAQI
6th Sep 2026274 PMAQI
6th Sep 2026215 PMAQI
6th Sep 2026256 PMAQI
6th Sep 2026237 PMAQI
6th Sep 2026218 PMAQI
6th Sep 2026329 PMAQI
6th Sep 20262310 PMAQI
6th Sep 20262911 PMAQI
7th Sep 20262512 AMAQI
7th Sep 2026251 AMAQI
7th Sep 2026232 AMAQI
7th Sep 2026293 AMAQI
7th Sep 2026254 AMAQI
7th Sep 2026235 AMAQI

16°C14/18°C

7th Sep 2026216 AMAQI
7th Sep 2026277 AMAQI
7th Sep 2026258 AMAQI
7th Sep 2026239 AMAQI
7th Sep 20262910 AMAQI
7th Sep 20262111 AMAQI
7th Sep 20262112 PMAQI
7th Sep 2026211 PMAQI
7th Sep 2026332 PMAQI
7th Sep 2026313 PMAQI
7th Sep 2026274 PMAQI
7th Sep 2026365 PMAQI
7th Sep 2026316 PMAQI
7th Sep 2026347 PMAQI
7th Sep 2026258 PMAQI
7th Sep 2026279 PMAQI
7th Sep 20262110 PMAQI
7th Sep 20262911 PMAQI
8th Sep 20262512 AMAQI
8th Sep 2026211 AMAQI
8th Sep 2026232 AMAQI
8th Sep 2026253 AMAQI
8th Sep 2026214 AMAQI
8th Sep 2026275 AMAQI

18°C14/21°C

8th Sep 2026216 AMAQI
8th Sep 2026427 AMAQI
8th Sep 2026298 AMAQI
8th Sep 2026389 AMAQI
8th Sep 20264010 AMAQI
8th Sep 20263811 AMAQI
8th Sep 20264012 PMAQI
8th Sep 2026441 PMAQI
8th Sep 2026512 PMAQI
8th Sep 2026423 PMAQI
8th Sep 2026364 PMAQI
8th Sep 2026235 PMAQI
8th Sep 2026486 PMAQI
8th Sep 2026427 PMAQI
8th Sep 2026298 PMAQI
8th Sep 2026339 PMAQI
8th Sep 20262910 PMAQI
8th Sep 20262711 PMAQI
9th Sep 20262112 AMAQI
9th Sep 2026231 AMAQI
9th Sep 2026312 AMAQI
9th Sep 2026293 AMAQI
9th Sep 2026294 AMAQI
9th Sep 2026255 AMAQI

17°C15/20°C

9th Sep 2026256 AMAQI
9th Sep 2026257 AMAQI
9th Sep 2026258 AMAQI
9th Sep 2026259 AMAQI
9th Sep 20262510 AMAQI
9th Sep 20262511 AMAQI
9th Sep 20262512 PMAQI
9th Sep 2026271 PMAQI
9th Sep 2026292 PMAQI
9th Sep 2026233 PMAQI
9th Sep 2026214 PMAQI
9th Sep 2026135 PMAQI
9th Sep 2026216 PMAQI
9th Sep 2026217 PMAQI
9th Sep 2026218 PMAQI
9th Sep 2026259 PMAQI
9th Sep 20263210 PMAQI
9th Sep 20262511 PMAQI
10th Sep 20262512 AMAQI
10th Sep 2026251 AMAQI
10th Sep 2026192 AMAQI
10th Sep 2026293 AMAQI
10th Sep 2026254 AMAQI
10th Sep 2026215 AMAQI

16°C13/19°C

10th Sep 2026256 AMAQI
10th Sep 2026257 AMAQI
10th Sep 2026258 AMAQI
10th Sep 2026299 AMAQI
10th Sep 20264610 AMAQI
10th Sep 20262911 AMAQI
10th Sep 20262512 PMAQI
10th Sep 2026211 PMAQI
10th Sep 2026252 PMAQI
10th Sep 2026213 PMAQI
10th Sep 2026214 PMAQI
10th Sep 2026145 PMAQI
10th Sep 2026126 PMAQI
10th Sep 2026207 PMAQI
10th Sep 2026238 PMAQI
10th Sep 2026299 PMAQI
10th Sep 20262710 PMAQI
10th Sep 20263311 PMAQI
11th Sep 20263112 AMAQI
11th Sep 2026381 AMAQI
11th Sep 2026362 AMAQI
11th Sep 2026363 AMAQI
11th Sep 2026294 AMAQI
11th Sep 2026295 AMAQI

14°C12/17°C

11th Sep 2026296 AMAQI
11th Sep 2026297 AMAQI
11th Sep 2026298 AMAQI
11th Sep 2026319 AMAQI
11th Sep 20262710 AMAQI
11th Sep 20263611 AMAQI
11th Sep 20262712 PMAQI
11th Sep 2026271 PMAQI
11th Sep 2026272 PMAQI
11th Sep 2026363 PMAQI
11th Sep 2026294 PMAQI
11th Sep 2026255 PMAQI
11th Sep 2026276 PMAQI
11th Sep 2026277 PMAQI
11th Sep 2026338 PMAQI
11th Sep 2026279 PMAQI
11th Sep 20262910 PMAQI
11th Sep 20262711 PMAQI
12th Sep 20262512 AMAQI
12th Sep 2026251 AMAQI
12th Sep 2026232 AMAQI
12th Sep 2026173 AMAQI
12th Sep 2026274 AMAQI
12th Sep 2026255 AMAQI

15°C11/19°C

12th Sep 2026256 AMAQI
12th Sep 2026257 AMAQI
12th Sep 2026258 AMAQI
12th Sep 2026259 AMAQI
12th Sep 20262910 AMAQI
12th Sep 20262511 AMAQI
12th Sep 20262512 PMAQI
12th Sep 2026231 PMAQI
12th Sep 2026232 PMAQI
12th Sep 2026293 PMAQI
12th Sep 2026294 PMAQI
12th Sep 2026255 PMAQI
12th Sep 2026216 PMAQI
12th Sep 2026217 PMAQI
12th Sep 2026218 PMAQI
12th Sep 2026259 PMAQI
12th Sep 20262311 PMAQI
13th Sep 20262312 AMAQI
13th Sep 2026231 AMAQI
13th Sep 2026252 AMAQI
13th Sep 2026253 AMAQI
13th Sep 2026294 AMAQI
13th Sep 2026255 AMAQI

16°C13/19°C

13th Sep 2026256 AMAQI
13th Sep 2026237 AMAQI
13th Sep 2026328 AMAQI
13th Sep 2026469 AMAQI
13th Sep 20262510 AMAQI
13th Sep 20262311 AMAQI
13th Sep 20261912 PMAQI
13th Sep 2026251 PMAQI
13th Sep 2026232 PMAQI
13th Sep 2026233 PMAQI
13th Sep 2026274 PMAQI
13th Sep 2026255 PMAQI
13th Sep 2026256 PMAQI
13th Sep 2026237 PMAQI
13th Sep 2026308 PMAQI
13th Sep 2026239 PMAQI
13th Sep 20262910 PMAQI
13th Sep 20262311 PMAQI
14th Sep 20262512 AMAQI
14th Sep 2026251 AMAQI
14th Sep 2026362 AMAQI
14th Sep 2026423 AMAQI
14th Sep 2026364 AMAQI
14th Sep 2026485 AMAQI

16°C14/19°C

14th Sep 2026486 AMAQI
14th Sep 2026217 AMAQI
14th Sep 2026368 AMAQI
14th Sep 2026519 AMAQI
14th Sep 20264610 AMAQI
14th Sep 20264411 AMAQI
14th Sep 20264212 PMAQI
14th Sep 2026231 PMAQI
14th Sep 2026232 PMAQI
14th Sep 2026313 PMAQI
14th Sep 2026234 PMAQI
14th Sep 2026405 PMAQI
14th Sep 2026426 PMAQI
14th Sep 2026217 PMAQI
14th Sep 2026338 PMAQI
14th Sep 2026319 PMAQI
14th Sep 20262510 PMAQI
14th Sep 20262911 PMAQI
15th Sep 20264012 AMAQI
15th Sep 2026291 AMAQI
15th Sep 2026232 AMAQI
15th Sep 2026233 AMAQI
15th Sep 2026254 AMAQI
15th Sep 2026255 AMAQI

14°C11/17°C

15th Sep 2026256 AMAQI
15th Sep 2026257 AMAQI
15th Sep 2026258 AMAQI
15th Sep 2026299 AMAQI
15th Sep 20262510 AMAQI
15th Sep 20262711 AMAQI
15th Sep 20262712 PMAQI
15th Sep 2026441 PMAQI
15th Sep 2026332 PMAQI
15th Sep 2026253 PMAQI
15th Sep 2026274 PMAQI
15th Sep 2026385 PMAQI
15th Sep 2026276 PMAQI
15th Sep 2026367 PMAQI
15th Sep 2026408 PMAQI
15th Sep 2026449 PMAQI
15th Sep 20262910 PMAQI
15th Sep 20264011 PMAQI
16th Sep 20264012 AMAQI
16th Sep 2026421 AMAQI
16th Sep 2026382 AMAQI
16th Sep 2026363 AMAQI
16th Sep 2026274 AMAQI
16th Sep 2026425 AMAQI

16°C13/20°C

16th Sep 2026256 AMAQI
16th Sep 2026257 AMAQI
16th Sep 2026428 AMAQI
16th Sep 2026519 AMAQI
16th Sep 20264010 AMAQI
16th Sep 20263811 AMAQI
16th Sep 20262512 PMAQI
16th Sep 2026231 PMAQI
16th Sep 2026232 PMAQI
16th Sep 2026253 PMAQI
16th Sep 2026234 PMAQI
16th Sep 2026235 PMAQI
16th Sep 2026216 PMAQI
16th Sep 2026237 PMAQI
16th Sep 2026238 PMAQI
16th Sep 2026319 PMAQI
16th Sep 20262510 PMAQI
16th Sep 20262511 PMAQI
17th Sep 20262512 AMAQI
17th Sep 2026231 AMAQI
17th Sep 2026232 AMAQI
17th Sep 2026233 AMAQI
17th Sep 2026254 AMAQI
17th Sep 2026255 AMAQI

16°C13/18°C

17th Sep 2026236 AMAQI
17th Sep 2026197 AMAQI
17th Sep 2026198 AMAQI
17th Sep 2026219 AMAQI
17th Sep 20261910 AMAQI
17th Sep 20262511 AMAQI
17th Sep 20262112 PMAQI
17th Sep 2026211 PMAQI
17th Sep 2026232 PMAQI
17th Sep 2026213 PMAQI
17th Sep 2026214 PMAQI
17th Sep 2026255 PMAQI
17th Sep 2026256 PMAQI
17th Sep 2026257 PMAQI
17th Sep 2026238 PMAQI
17th Sep 2026219 PMAQI
17th Sep 20262310 PMAQI
17th Sep 20262311 PMAQI
18th Sep 20262512 AMAQI
18th Sep 2026251 AMAQI
18th Sep 2026272 AMAQI
18th Sep 2026233 AMAQI
18th Sep 2026274 AMAQI
18th Sep 2026295 AMAQI

14°C12/17°C

18th Sep 2026276 AMAQI
18th Sep 2026297 AMAQI
18th Sep 2026278 AMAQI
18th Sep 2026299 AMAQI
18th Sep 20262710 AMAQI
18th Sep 20262911 AMAQI
18th Sep 20262912 PMAQI
18th Sep 2026271 PMAQI
18th Sep 2026272 PMAQI
18th Sep 2026253 PMAQI
18th Sep 2026254 PMAQI
18th Sep 2026235 PMAQI
18th Sep 2026236 PMAQI
18th Sep 2026347 PMAQI
18th Sep 2026508 PMAQI
18th Sep 2026429 PMAQI
18th Sep 20264410 PMAQI
18th Sep 20265311 PMAQI
19th Sep 20265012 AMAQI
19th Sep 2026361 AMAQI
19th Sep 2026442 AMAQI
19th Sep 2026423 AMAQI
19th Sep 2026464 AMAQI
19th Sep 2026405 AMAQI

15°C12/18°C

19th Sep 2026346 AMAQI
19th Sep 2026487 AMAQI
19th Sep 2026518 AMAQI
19th Sep 2026339 AMAQI
19th Sep 20264010 AMAQI
19th Sep 20263811 AMAQI
19th Sep 20264612 PMAQI
19th Sep 2026441 PMAQI
19th Sep 2026382 PMAQI
19th Sep 2026423 PMAQI
19th Sep 2026384 PMAQI
19th Sep 2026365 PMAQI
19th Sep 2026366 PMAQI
19th Sep 2026407 PMAQI
19th Sep 2026408 PMAQI
19th Sep 2026389 PMAQI
19th Sep 20264010 PMAQI
19th Sep 20263811 PMAQI
20th Sep 20264412 AMAQI
20th Sep 2026481 AMAQI
20th Sep 2026482 AMAQI
20th Sep 2026363 AMAQI
20th Sep 2026364 AMAQI
20th Sep 2026295 AMAQI

15°C14/17°C

20th Sep 2026426 AMAQI
20th Sep 2026407 AMAQI
20th Sep 2026258 AMAQI
20th Sep 2026259 AMAQI
20th Sep 20263110 AMAQI
20th Sep 20262911 AMAQI
20th Sep 20263112 PMAQI
20th Sep 2026421 PMAQI
20th Sep 2026382 PMAQI
20th Sep 2026383 PMAQI
20th Sep 2026364 PMAQI
20th Sep 2026335 PMAQI
20th Sep 2026346 PMAQI
20th Sep 2026507 PMAQI
20th Sep 2026458 PMAQI
20th Sep 2026489 PMAQI
20th Sep 20263610 PMAQI
20th Sep 20264011 PMAQI
21st Sep 20263412 AMAQI
21st Sep 2026321 AMAQI
21st Sep 2026362 AMAQI
21st Sep 2026293 AMAQI
21st Sep 2026364 AMAQI
21st Sep 2026385 AMAQI

15°C13/17°C

21st Sep 2026326 AMAQI
21st Sep 2026277 AMAQI
21st Sep 2026368 AMAQI
21st Sep 2026369 AMAQI
21st Sep 20263410 AMAQI
21st Sep 20262911 AMAQI
21st Sep 20263112 PMAQI
21st Sep 2026361 PMAQI
21st Sep 2026482 PMAQI
21st Sep 2026363 PMAQI
21st Sep 2026284 PMAQI
21st Sep 2026405 PMAQI
21st Sep 2026426 PMAQI
21st Sep 2026447 PMAQI
21st Sep 2026318 PMAQI
21st Sep 2026649 PMAQI
21st Sep 20263210 PMAQI
21st Sep 20262911 PMAQI
22nd Sep 20263212 AMAQI
22nd Sep 2026481 AMAQI
22nd Sep 2026422 AMAQI
22nd Sep 2026463 AMAQI
22nd Sep 2026464 AMAQI
22nd Sep 2026485 AMAQI

13°C12/15°C

22nd Sep 2026346 AMAQI
22nd Sep 2026427 AMAQI
22nd Sep 2026428 AMAQI
22nd Sep 2026369 AMAQI
22nd Sep 20263110 AMAQI
22nd Sep 20262711 AMAQI
22nd Sep 20263612 PMAQI
22nd Sep 2026421 PMAQI
22nd Sep 2026442 PMAQI
22nd Sep 2026503 PMAQI
22nd Sep 2026474 PMAQI
22nd Sep 2026445 PMAQI
22nd Sep 2026426 PMAQI
22nd Sep 2026367 PMAQI
22nd Sep 2026278 PMAQI
22nd Sep 2026369 PMAQI
22nd Sep 20263210 PMAQI
22nd Sep 20264011 PMAQI
23rd Sep 20263112 AMAQI
23rd Sep 2026291 AMAQI
23rd Sep 2026292 AMAQI
23rd Sep 2026383 AMAQI
23rd Sep 2026364 AMAQI
23rd Sep 2026445 AMAQI

14°C11/17°C

23rd Sep 2026276 AMAQI
23rd Sep 2026277 AMAQI
23rd Sep 2026278 AMAQI
23rd Sep 2026279 AMAQI
23rd Sep 20262510 AMAQI
23rd Sep 20263311 AMAQI
23rd Sep 20263312 PMAQI
23rd Sep 2026291 PMAQI
23rd Sep 2026292 PMAQI
23rd Sep 2026363 PMAQI
23rd Sep 2026334 PMAQI
23rd Sep 2026315 PMAQI
23rd Sep 2026276 PMAQI
23rd Sep 2026237 PMAQI
23rd Sep 2026218 PMAQI
23rd Sep 2026259 PMAQI
23rd Sep 20262910 PMAQI
23rd Sep 20262511 PMAQI
24th Sep 20263112 AMAQI
24th Sep 2026291 AMAQI
24th Sep 2026332 AMAQI
24th Sep 2026313 AMAQI
24th Sep 2026384 AMAQI
24th Sep 2026295 AMAQI

14°C12/16°C

24th Sep 2026296 AMAQI
24th Sep 2026217 AMAQI
24th Sep 2026258 AMAQI
24th Sep 2026299 AMAQI
24th Sep 20262110 AMAQI
24th Sep 20262711 AMAQI
24th Sep 20262512 PMAQI
24th Sep 2026241 PMAQI
24th Sep 2026232 PMAQI
24th Sep 2026293 PMAQI
24th Sep 2026254 PMAQI
24th Sep 2026255 PMAQI
24th Sep 2026216 PMAQI
24th Sep 2026297 PMAQI
24th Sep 2026338 PMAQI
24th Sep 2026279 PMAQI
24th Sep 20262110 PMAQI
24th Sep 20262311 PMAQI
25th Sep 20262112 AMAQI
25th Sep 2026251 AMAQI
25th Sep 2026232 AMAQI
25th Sep 2026233 AMAQI
25th Sep 2026234 AMAQI
25th Sep 2026295 AMAQI

14°C12/17°C

25th Sep 2026296 AMAQI
25th Sep 2026347 AMAQI
25th Sep 2026278 AMAQI
25th Sep 2026239 AMAQI
25th Sep 20262110 AMAQI
25th Sep 20262511 AMAQI
25th Sep 20262312 PMAQI
25th Sep 2026251 PMAQI
25th Sep 2026232 PMAQI
25th Sep 2026273 PMAQI
25th Sep 2026324 PMAQI
25th Sep 2026345 PMAQI
25th Sep 2026236 PMAQI
25th Sep 2026297 PMAQI
25th Sep 2026258 PMAQI
25th Sep 2026259 PMAQI
25th Sep 20264210 PMAQI
25th Sep 20264011 PMAQI
26th Sep 20263812 AMAQI
26th Sep 2026311 AMAQI
26th Sep 2026252 AMAQI
26th Sep 2026343 AMAQI
26th Sep 2026324 AMAQI
26th Sep 2026275 AMAQI

14°C12/17°C

26th Sep 2026256 AMAQI
26th Sep 2026297 AMAQI
26th Sep 2026598 AMAQI
26th Sep 2026389 AMAQI
26th Sep 20262310 AMAQI
26th Sep 20262511 AMAQI
26th Sep 20262512 PMAQI
26th Sep 2026271 PMAQI
26th Sep 2026362 PMAQI
26th Sep 2026223 PMAQI
26th Sep 2026254 PMAQI
26th Sep 2026345 PMAQI
26th Sep 2026276 PMAQI
26th Sep 2026257 PMAQI
26th Sep 2026278 PMAQI
26th Sep 2026519 PMAQI
26th Sep 20265210 PMAQI
26th Sep 20265411 PMAQI
27th Sep 20265312 AMAQI
27th Sep 2026521 AMAQI
27th Sep 2026462 AMAQI
27th Sep 2026513 AMAQI
27th Sep 2026514 AMAQI
27th Sep 2026405 AMAQI

14°C12/17°C

27th Sep 2026276 AMAQI
27th Sep 2026237 AMAQI
27th Sep 2026258 AMAQI
27th Sep 2026259 AMAQI
27th Sep 20262310 AMAQI
27th Sep 20262911 AMAQI
27th Sep 20262112 PMAQI
27th Sep 2026251 PMAQI
27th Sep 2026292 PMAQI
27th Sep 2026333 PMAQI
27th Sep 2026274 PMAQI
27th Sep 2026255 PMAQI
27th Sep 2026216 PMAQI
27th Sep 2026217 PMAQI
27th Sep 2026218 PMAQI
27th Sep 2026259 PMAQI
27th Sep 20264010 PMAQI
27th Sep 20262111 PMAQI
28th Sep 20262312 AMAQI
28th Sep 2026251 AMAQI
28th Sep 2026232 AMAQI
28th Sep 2026363 AMAQI
28th Sep 2026404 AMAQI
28th Sep 2026465 AMAQI

14°C12/16°C

28th Sep 2026426 AMAQI
6 AM
28th Sep 2026387 AMAQI
28th Sep 2026488 AMAQI
28th Sep 2026449 AMAQI
28th Sep 20264010 AMAQI
28th Sep 20264011 AMAQI
28th Sep 20264412 PMAQI
12 PM
28th Sep 2026531 PMAQI
28th Sep 2026362 PMAQI
28th Sep 2026403 PMAQI
28th Sep 2026484 PMAQI
28th Sep 2026425 PMAQI
28th Sep 2026406 PMAQI
28th Sep 2026447 PMAQI
7 PM
28th Sep 2026388 PMAQI
28th Sep 2026449 PMAQI
28th Sep 20264010 PMAQI
28th Sep 20264411 PMAQI
12 AM
5 AM

16°C14/18°C

Day time
Avg. Highest Time
9 AM

32AQI

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

27AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 9 AM (Avg. 32), while the lowest AQI was between 12 PM to 12 PM (Avg. 27).
Night time
Avg. Highest Time
9 PM

31AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
2 AM

28AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 9 PM (Avg. 31), while the lowest AQI was between 2 AM to 2 AM (Avg. 28).

2026 Days Vs Air Quality

Roskilde, Sj Lland, Denmark

2026

91%

243

8%

21

1%

3

Total number of days with different AQI categories in last 271 days in 2026 (94 days remaining)

Good
243 Days
Moderate
21 Days
Poor
3 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 91%

Health Risk Level:

Very Low

In 2026, 91% of 271 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.

Annual Air Quality Insights

Roskilde, Sj Lland, Denmark

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
23AQI (US)
2nd January 2026
11AQI (US)
3rd January 2026
12AQI (US)
4th January 2026
15AQI (US)
5th January 2026
29AQI (US)
6th January 2026
69AQI (US)
7th January 2026
50AQI (US)
8th January 2026
51AQI (US)
9th January 2026
23AQI (US)
10th January 2026
10AQI (US)
11th January 2026
22AQI (US)
12th January 2026
40AQI (US)
13th January 2026
41AQI (US)
14th January 2026
27AQI (US)
15th January 2026
28AQI (US)
16th January 2026
52AQI (US)
17th January 2026
59AQI (US)
18th January 2026
64AQI (US)
19th January 2026
78AQI (US)
20th January 2026
72AQI (US)
21st January 2026
65AQI (US)
22nd January 2026
63AQI (US)
23rd January 2026
32AQI (US)
24th January 2026
24AQI (US)
25th January 2026
64AQI (US)
26th January 2026
16AQI (US)
27th January 2026
25AQI (US)
28th January 2026
19AQI (US)
29th January 2026
28AQI (US)
30th January 2026
44AQI (US)
31st January 2026
41AQI (US)
1st February 2026
39AQI (US)
2nd February 2026
26AQI (US)
3rd February 2026
39AQI (US)
4th February 2026
36AQI (US)
5th February 2026
49AQI (US)
6th February 2026
45AQI (US)
7th February 2026
27AQI (US)
8th February 2026
32AQI (US)
9th February 2026
50AQI (US)
10th February 2026
74AQI (US)
11th February 2026
62AQI (US)
12th February 2026
22AQI (US)
13th February 2026
15AQI (US)
14th February 2026
21AQI (US)
15th February 2026
13AQI (US)
16th February 2026
25AQI (US)
17th February 2026
43AQI (US)
18th February 2026
28AQI (US)
19th February 2026
25AQI (US)
20th February 2026
32AQI (US)
21st February 2026
24AQI (US)
22nd February 2026
20AQI (US)
23rd February 2026
21AQI (US)
24th February 2026
32AQI (US)
25th February 2026
33AQI (US)
26th February 2026
34AQI (US)
27th February 2026
47AQI (US)
28th February 2026
43AQI (US)
1st March 2026
17AQI (US)
2nd March 2026
25AQI (US)
3rd March 2026
13AQI (US)
4th March 2026
18AQI (US)
5th March 2026
32AQI (US)
6th March 2026
28AQI (US)
7th March 2026
80AQI (US)
8th March 2026
112AQI (US)
9th March 2026
101AQI (US)
10th March 2026
109AQI (US)
11th March 2026
65AQI (US)
12th March 2026
22AQI (US)
13th March 2026
17AQI (US)
14th March 2026
15AQI (US)
15th March 2026
27AQI (US)
16th March 2026
16AQI (US)
17th March 2026
25AQI (US)
18th March 2026
14AQI (US)
19th March 2026
52AQI (US)
20th March 2026
33AQI (US)
21st March 2026
27AQI (US)
22nd March 2026
38AQI (US)
23rd March 2026
57AQI (US)
24th March 2026
81AQI (US)
25th March 2026
36AQI (US)
26th March 2026
14AQI (US)
27th March 2026
20AQI (US)
28th March 2026
31AQI (US)
29th March 2026
22AQI (US)
30th March 2026
21AQI (US)
31st March 2026
18AQI (US)
1st April 2026
12AQI (US)
2nd April 2026
27AQI (US)
3rd April 2026
15AQI (US)
4th April 2026
22AQI (US)
5th April 2026
41AQI (US)
6th April 2026
13AQI (US)
7th April 2026
19AQI (US)
8th April 2026
20AQI (US)
9th April 2026
19AQI (US)
10th April 2026
25AQI (US)
11th April 2026
35AQI (US)
12th April 2026
51AQI (US)
13th April 2026
41AQI (US)
14th April 2026
16AQI (US)
15th April 2026
46AQI (US)
16th April 2026
32AQI (US)
17th April 2026
18th April 2026
35AQI (US)
19th April 2026
46AQI (US)
20th April 2026
20AQI (US)
21st April 2026
23AQI (US)
22nd April 2026
23rd April 2026
17AQI (US)
24th April 2026
14AQI (US)
25th April 2026
12AQI (US)
26th April 2026
18AQI (US)
27th April 2026
25AQI (US)
28th April 2026
35AQI (US)
29th April 2026
48AQI (US)
30th April 2026
55AQI (US)
1st May 2026
29AQI (US)
2nd May 2026
21AQI (US)
3rd May 2026
55AQI (US)
4th May 2026
30AQI (US)
5th May 2026
14AQI (US)
6th May 2026
13AQI (US)
7th May 2026
14AQI (US)
8th May 2026
14AQI (US)
9th May 2026
10th May 2026
20AQI (US)
11th May 2026
22AQI (US)
12th May 2026
21AQI (US)
13th May 2026
23AQI (US)
14th May 2026
12AQI (US)
15th May 2026
23AQI (US)
16th May 2026
36AQI (US)
17th May 2026
40AQI (US)
18th May 2026
34AQI (US)
19th May 2026
34AQI (US)
20th May 2026
33AQI (US)
21st May 2026
35AQI (US)
22nd May 2026
33AQI (US)
23rd May 2026
38AQI (US)
24th May 2026
51AQI (US)
25th May 2026
43AQI (US)
26th May 2026
34AQI (US)
27th May 2026
20AQI (US)
28th May 2026
19AQI (US)
29th May 2026
21AQI (US)
30th May 2026
18AQI (US)
31st May 2026
15AQI (US)
1st June 2026
25AQI (US)
2nd June 2026
28AQI (US)
3rd June 2026
20AQI (US)
4th June 2026
18AQI (US)
5th June 2026
14AQI (US)
6th June 2026
18AQI (US)
7th June 2026
12AQI (US)
8th June 2026
18AQI (US)
9th June 2026
14AQI (US)
10th June 2026
19AQI (US)
11th June 2026
18AQI (US)
12th June 2026
17AQI (US)
13th June 2026
16AQI (US)
14th June 2026
20AQI (US)
15th June 2026
10AQI (US)
16th June 2026
18AQI (US)
17th June 2026
22AQI (US)
18th June 2026
21AQI (US)
19th June 2026
22AQI (US)
20th June 2026
29AQI (US)
21st June 2026
16AQI (US)
22nd June 2026
20AQI (US)
23rd June 2026
18AQI (US)
24th June 2026
36AQI (US)
25th June 2026
20AQI (US)
26th June 2026
18AQI (US)
27th June 2026
26AQI (US)
28th June 2026
30AQI (US)
29th June 2026
13AQI (US)
30th June 2026
20AQI (US)
1st July 2026
17AQI (US)
2nd July 2026
15AQI (US)
3rd July 2026
19AQI (US)
4th July 2026
14AQI (US)
5th July 2026
11AQI (US)
6th July 2026
14AQI (US)
7th July 2026
11AQI (US)
8th July 2026
17AQI (US)
9th July 2026
14AQI (US)
10th July 2026
12AQI (US)
11th July 2026
14AQI (US)
12th July 2026
14AQI (US)
13th July 2026
17AQI (US)
14th July 2026
21AQI (US)
15th July 2026
18AQI (US)
16th July 2026
16AQI (US)
17th July 2026
28AQI (US)
18th July 2026
47AQI (US)
19th July 2026
32AQI (US)
20th July 2026
18AQI (US)
21st July 2026
22AQI (US)
22nd July 2026
25AQI (US)
23rd July 2026
24AQI (US)
24th July 2026
25AQI (US)
25th July 2026
27AQI (US)
26th July 2026
33AQI (US)
27th July 2026
27AQI (US)
28th July 2026
29AQI (US)
29th July 2026
24AQI (US)
30th July 2026
40AQI (US)
31st July 2026
37AQI (US)
1st August 2026
25AQI (US)
2nd August 2026
27AQI (US)
3rd August 2026
33AQI (US)
4th August 2026
31AQI (US)
5th August 2026
34AQI (US)
6th August 2026
29AQI (US)
7th August 2026
26AQI (US)
8th August 2026
26AQI (US)
9th August 2026
26AQI (US)
10th August 2026
29AQI (US)
11th August 2026
28AQI (US)
12th August 2026
28AQI (US)
13th August 2026
33AQI (US)
14th August 2026
31AQI (US)
15th August 2026
29AQI (US)
16th August 2026
31AQI (US)
17th August 2026
19AQI (US)
18th August 2026
20AQI (US)
19th August 2026
24AQI (US)
20th August 2026
20AQI (US)
21st August 2026
23AQI (US)
22nd August 2026
21AQI (US)
23rd August 2026
19AQI (US)
24th August 2026
22AQI (US)
25th August 2026
21AQI (US)
26th August 2026
28AQI (US)
27th August 2026
29AQI (US)
28th August 2026
45AQI (US)
29th August 2026
38AQI (US)
30th August 2026
24AQI (US)
31st August 2026
25AQI (US)
1st September 2026
26AQI (US)
2nd September 2026
24AQI (US)
3rd September 2026
19AQI (US)
4th September 2026
25AQI (US)
5th September 2026
25AQI (US)
6th September 2026
26AQI (US)
7th September 2026
26AQI (US)
8th September 2026
33AQI (US)
9th September 2026
25AQI (US)
10th September 2026
25AQI (US)
11th September 2026
30AQI (US)
12th September 2026
24AQI (US)
13th September 2026
26AQI (US)
14th September 2026
34AQI (US)
15th September 2026
30AQI (US)
16th September 2026
31AQI (US)
17th September 2026
23AQI (US)
18th September 2026
30AQI (US)
19th September 2026
41AQI (US)
20th September 2026
38AQI (US)
21st September 2026
36AQI (US)
22nd September 2026
40AQI (US)
23rd September 2026
30AQI (US)
24th September 2026
27AQI (US)
25th September 2026
27AQI (US)
26th September 2026
33AQI (US)
27th September 2026
31AQI (US)
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

39AQI (US)

34AQI (US)

38AQI (US)

28AQI (US)

27AQI (US)

20AQI (US)

22AQI (US)

27AQI (US)

29AQI (US)

No. of days

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

202629AQI (US)

21
10
26
2
23
5
3
26
2
28
2
30
31
31
27
243
21
3

Highest AQI (US) recorded in

January

39AQI (US)

Lowest AQI (US) recorded in

June

20AQI (US)

202533AQI (US)

31
15
13
12
19
29
1
31
30
31
31
30
29
2
23
7
22
9
314
51

Highest AQI (US) recorded in

March

52AQI (US)

Lowest AQI (US) recorded in

May

20AQI (US)

202427AQI (US)

31
29
31
30
31
30
31
31
24
30
1
27
3
31
356
4

Highest AQI (US) recorded in

May

32AQI (US)

Lowest AQI (US) recorded in

February

23AQI (US)

202326AQI (US)

31
28
31
30
30
30
31
31
29
31
29
31
362

Highest AQI (US) recorded in

May

33AQI (US)

Lowest AQI (US) recorded in

November

19AQI (US)

202225AQI (US)

30
21
30
28
31
26
24
1
28
31
30
31
311

Highest AQI (US) recorded in

April

30AQI (US)

Lowest AQI (US) recorded in

December

18AQI (US)

202125AQI (US)

30
26
31
30
31
30
31
27
30
31
30
29
356

Highest AQI (US) recorded in

April

32AQI (US)

Lowest AQI (US) recorded in

January

18AQI (US)

202025AQI (US)

13
21
18
30
31
29
30
30
30
31
263

Highest AQI (US) recorded in

March

31AQI (US)

Lowest AQI (US) recorded in

December

17AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
33AQI (US)
Least Polluted Year Recorded
2020(Avg.)
25AQI (US)

Roskilde's annual 2026 AQI (US) (29) shows an average percentage change of 9.1% (worsened AQI (US)) compared to previous years: 2020 (25), 2021 (25), 2022 (25), 2023 (26), 2024 (27), 2025 (33).