Bottrop Welheim, Bottrop, North Rhine Westphalia, Germany 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
Bottrop Welheim, Bottrop, North Rhine Westphalia, Germany
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2024
67AQILowest AQI recorded on
1st Aug 2026
16AQISame Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 44 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Bottrop Welheim, Bottrop, North Rhine Westphalia, Germany
AQI
Day
Night
.
5 AM14th Aug 2026
9 PM
4 AM15th Aug 2026
Day time
Avg. Highest Time
7AM14th Aug
48AQI
Avg. Lowest Time
7PM14th Aug
25AQI
Night time
Avg. Highest Time
4AM15th Aug
55AQI
Avg. Lowest Time
5AM14th Aug
25AQI
In the last 24 hours,
Bottrop Welheim's AQI reached its highest point of 55 at 4 AM during the Night, while the lowest point, 25, was recorded at 7 PM during the Day between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Bottrop Welheim, Bottrop, North Rhine Westphalia, Germany
JulAug
17th - 18th18th - 19th19th - 20th20th - 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
Day
Night
17th Jul 2026225 AMAQI
17th Jul 2026246 AMAQI
17th Jul 2026247 AMAQI
17th Jul 2026228 AMAQI
17th Jul 2026339 AMAQI
17th Jul 20263110 AMAQI
17th Jul 20265411 AMAQI
17th Jul 20265312 PMAQI
17th Jul 2026531 PMAQI
17th Jul 2026502 PMAQI
17th Jul 2026483 PMAQI
17th Jul 2026504 PMAQI
17th Jul 2026445 PMAQI
17th Jul 2026486 PMAQI
17th Jul 2026517 PMAQI
17th Jul 2026508 PMAQI
17th Jul 2026489 PMAQI
17th Jul 20264410 PMAQI
17th Jul 20264211 PMAQI
18th Jul 20264612 AMAQI
18th Jul 2026421 AMAQI
18th Jul 2026422 AMAQI
18th Jul 2026423 AMAQI
18th Jul 2026404 AMAQI
23°C17/30°C
18th Jul 2026405 AMAQI
18th Jul 2026426 AMAQI
18th Jul 2026407 AMAQI
18th Jul 2026428 AMAQI
18th Jul 2026469 AMAQI
18th Jul 20264910 AMAQI
18th Jul 20264611 AMAQI
18th Jul 20264412 PMAQI
18th Jul 2026501 PMAQI
18th Jul 2026502 PMAQI
18th Jul 2026493 PMAQI
18th Jul 2026524 PMAQI
18th Jul 2026565 PMAQI
18th Jul 2026596 PMAQI
18th Jul 2026597 PMAQI
18th Jul 2026598 PMAQI
18th Jul 2026579 PMAQI
18th Jul 20264810 PMAQI
18th Jul 20264411 PMAQI
19th Jul 20263412 AMAQI
19th Jul 2026291 AMAQI
19th Jul 2026312 AMAQI
19th Jul 2026273 AMAQI
19th Jul 2026294 AMAQI
19°C15/25°C
19th Jul 2026295 AMAQI
19th Jul 2026276 AMAQI
19th Jul 2026277 AMAQI
19th Jul 2026278 AMAQI
19th Jul 2026259 AMAQI
19th Jul 20262310 AMAQI
19th Jul 20262311 AMAQI
19th Jul 20262112 PMAQI
19th Jul 2026211 PMAQI
19th Jul 2026212 PMAQI
19th Jul 2026293 PMAQI
19th Jul 2026274 PMAQI
19th Jul 2026295 PMAQI
19th Jul 2026276 PMAQI
19th Jul 2026257 PMAQI
19th Jul 2026278 PMAQI
19th Jul 2026319 PMAQI
19th Jul 20263610 PMAQI
19th Jul 20263411 PMAQI
20th Jul 20263612 AMAQI
20th Jul 2026301 AMAQI
20th Jul 2026252 AMAQI
20th Jul 2026233 AMAQI
20th Jul 2026234 AMAQI
17°C14/23°C
20th Jul 2026235 AMAQI
20th Jul 2026236 AMAQI
20th Jul 2026257 AMAQI
20th Jul 2026258 AMAQI
20th Jul 2026219 AMAQI
20th Jul 20262310 AMAQI
20th Jul 20262311 AMAQI
20th Jul 20263312 PMAQI
20th Jul 2026291 PMAQI
20th Jul 2026292 PMAQI
20th Jul 2026293 PMAQI
20th Jul 2026314 PMAQI
20th Jul 2026295 PMAQI
20th Jul 2026296 PMAQI
20th Jul 2026237 PMAQI
20th Jul 2026238 PMAQI
20th Jul 2026299 PMAQI
20th Jul 20262710 PMAQI
20th Jul 20262711 PMAQI
21st Jul 20262112 AMAQI
21st Jul 2026291 AMAQI
21st Jul 2026342 AMAQI
21st Jul 2026213 AMAQI
21st Jul 2026324 AMAQI
18°C13/23°C
21st Jul 2026426 AMAQI
21st Jul 2026387 AMAQI
21st Jul 2026368 AMAQI
21st Jul 2026369 AMAQI
21st Jul 20264010 AMAQI
21st Jul 20264811 AMAQI
21st Jul 20264012 PMAQI
21st Jul 2026381 PMAQI
21st Jul 2026342 PMAQI
21st Jul 2026333 PMAQI
21st Jul 2026314 PMAQI
21st Jul 2026235 PMAQI
21st Jul 2026216 PMAQI
21st Jul 2026217 PMAQI
21st Jul 2026218 PMAQI
21st Jul 2026279 PMAQI
21st Jul 20262910 PMAQI
21st Jul 20263811 PMAQI
22nd Jul 20262912 AMAQI
22nd Jul 2026291 AMAQI
22nd Jul 2026252 AMAQI
22nd Jul 2026333 AMAQI
22nd Jul 2026424 AMAQI
18°C11/26°C
22nd Jul 2026255 AMAQI
22nd Jul 2026256 AMAQI
22nd Jul 2026257 AMAQI
22nd Jul 2026328 AMAQI
22nd Jul 2026349 AMAQI
22nd Jul 20264010 AMAQI
22nd Jul 20264211 AMAQI
22nd Jul 20262112 PMAQI
22nd Jul 2026251 PMAQI
22nd Jul 2026332 PMAQI
22nd Jul 2026213 PMAQI
22nd Jul 2026274 PMAQI
22nd Jul 2026315 PMAQI
22nd Jul 2026276 PMAQI
22nd Jul 2026257 PMAQI
22nd Jul 2026258 PMAQI
22nd Jul 2026319 PMAQI
22nd Jul 20262510 PMAQI
22nd Jul 20264411 PMAQI
23rd Jul 20262912 AMAQI
23rd Jul 2026271 AMAQI
23rd Jul 2026292 AMAQI
23rd Jul 2026253 AMAQI
23rd Jul 2026254 AMAQI
17°C12/22°C
23rd Jul 2026215 AMAQI
23rd Jul 2026256 AMAQI
23rd Jul 2026237 AMAQI
23rd Jul 2026298 AMAQI
23rd Jul 2026239 AMAQI
23rd Jul 20263110 AMAQI
23rd Jul 20263111 AMAQI
23rd Jul 20263612 PMAQI
23rd Jul 2026311 PMAQI
23rd Jul 2026292 PMAQI
23rd Jul 2026293 PMAQI
23rd Jul 2026274 PMAQI
23rd Jul 2026315 PMAQI
23rd Jul 2026296 PMAQI
23rd Jul 2026237 PMAQI
23rd Jul 2026218 PMAQI
23rd Jul 2026219 PMAQI
23rd Jul 20262910 PMAQI
23rd Jul 20262511 PMAQI
24th Jul 20263312 AMAQI
24th Jul 2026311 AMAQI
24th Jul 2026312 AMAQI
24th Jul 2026273 AMAQI
24th Jul 2026294 AMAQI
18°C15/24°C
24th Jul 2026255 AMAQI
24th Jul 2026236 AMAQI
24th Jul 2026317 AMAQI
24th Jul 2026338 AMAQI
24th Jul 2026339 AMAQI
24th Jul 20263310 AMAQI
24th Jul 20263311 AMAQI
24th Jul 20263412 PMAQI
24th Jul 2026271 PMAQI
24th Jul 2026292 PMAQI
24th Jul 2026313 PMAQI
24th Jul 2026314 PMAQI
24th Jul 2026315 PMAQI
24th Jul 2026336 PMAQI
24th Jul 2026387 PMAQI
24th Jul 2026408 PMAQI
24th Jul 2026409 PMAQI
24th Jul 20264010 PMAQI
24th Jul 20263411 PMAQI
25th Jul 20263612 AMAQI
25th Jul 2026401 AMAQI
25th Jul 2026382 AMAQI
25th Jul 2026383 AMAQI
25th Jul 2026384 AMAQI
18°C12/25°C
25th Jul 2026335 AMAQI
25th Jul 2026386 AMAQI
25th Jul 2026407 AMAQI
25th Jul 2026408 AMAQI
25th Jul 2026389 AMAQI
25th Jul 20264410 AMAQI
25th Jul 20264411 AMAQI
25th Jul 20264012 PMAQI
25th Jul 2026381 PMAQI
25th Jul 2026382 PMAQI
25th Jul 2026443 PMAQI
25th Jul 2026464 PMAQI
25th Jul 2026425 PMAQI
25th Jul 2026426 PMAQI
25th Jul 2026367 PMAQI
25th Jul 2026388 PMAQI
25th Jul 2026389 PMAQI
25th Jul 20264610 PMAQI
25th Jul 20264411 PMAQI
26th Jul 20264212 AMAQI
26th Jul 2026401 AMAQI
26th Jul 2026462 AMAQI
26th Jul 2026403 AMAQI
26th Jul 2026464 AMAQI
23°C17/30°C
26th Jul 2026445 AMAQI
26th Jul 2026446 AMAQI
26th Jul 2026447 AMAQI
26th Jul 2026448 AMAQI
26th Jul 2026449 AMAQI
26th Jul 20264210 AMAQI
26th Jul 20264011 AMAQI
26th Jul 20264212 PMAQI
26th Jul 2026401 PMAQI
26th Jul 2026422 PMAQI
26th Jul 2026423 PMAQI
26th Jul 2026444 PMAQI
26th Jul 2026425 PMAQI
26th Jul 2026406 PMAQI
26th Jul 2026317 PMAQI
26th Jul 2026298 PMAQI
26th Jul 2026279 PMAQI
26th Jul 20262510 PMAQI
26th Jul 20263111 PMAQI
27th Jul 20262112 AMAQI
27th Jul 2026231 AMAQI
27th Jul 2026292 AMAQI
27th Jul 2026333 AMAQI
27th Jul 2026314 AMAQI
20°C17/23°C
27th Jul 2026295 AMAQI
27th Jul 2026336 AMAQI
27th Jul 2026337 AMAQI
27th Jul 2026318 AMAQI
27th Jul 2026259 AMAQI
27th Jul 20262910 AMAQI
27th Jul 20263811 AMAQI
27th Jul 20263312 PMAQI
27th Jul 2026291 PMAQI
27th Jul 2026462 PMAQI
27th Jul 2026403 PMAQI
27th Jul 2026504 PMAQI
27th Jul 2026425 PMAQI
27th Jul 2026316 PMAQI
27th Jul 2026367 PMAQI
27th Jul 2026318 PMAQI
27th Jul 2026259 PMAQI
27th Jul 20262710 PMAQI
27th Jul 20262911 PMAQI
28th Jul 20263112 AMAQI
28th Jul 2026271 AMAQI
28th Jul 2026292 AMAQI
28th Jul 2026333 AMAQI
28th Jul 2026294 AMAQI
19°C15/23°C
28th Jul 2026295 AMAQI
28th Jul 2026296 AMAQI
28th Jul 2026277 AMAQI
28th Jul 2026258 AMAQI
28th Jul 2026299 AMAQI
28th Jul 20262910 AMAQI
28th Jul 20263211 AMAQI
28th Jul 20262512 PMAQI
28th Jul 2026361 PMAQI
28th Jul 2026232 PMAQI
28th Jul 2026253 PMAQI
28th Jul 2026214 PMAQI
28th Jul 2026235 PMAQI
28th Jul 2026336 PMAQI
28th Jul 2026297 PMAQI
28th Jul 2026338 PMAQI
28th Jul 2026299 PMAQI
28th Jul 20263310 PMAQI
28th Jul 20263111 PMAQI
29th Jul 20262912 AMAQI
29th Jul 2026401 AMAQI
29th Jul 2026462 AMAQI
29th Jul 2026423 AMAQI
29th Jul 2026444 AMAQI
22°C15/29°C
29th Jul 2026235 AMAQI
29th Jul 2026316 AMAQI
29th Jul 2026317 AMAQI
29th Jul 2026368 AMAQI
29th Jul 2026409 AMAQI
29th Jul 20263610 AMAQI
29th Jul 20263611 AMAQI
29th Jul 20264412 PMAQI
29th Jul 2026501 PMAQI
29th Jul 2026382 PMAQI
29th Jul 2026343 PMAQI
29th Jul 2026444 PMAQI
29th Jul 2026465 PMAQI
29th Jul 2026406 PMAQI
29th Jul 2026317 PMAQI
29th Jul 2026388 PMAQI
29th Jul 2026389 PMAQI
29th Jul 20263810 PMAQI
29th Jul 20264011 PMAQI
30th Jul 20263612 AMAQI
30th Jul 2026441 AMAQI
30th Jul 2026422 AMAQI
30th Jul 2026463 AMAQI
30th Jul 2026464 AMAQI
28°C21/34°C
30th Jul 2026465 AMAQI
30th Jul 2026446 AMAQI
30th Jul 2026467 AMAQI
30th Jul 2026468 AMAQI
30th Jul 2026519 AMAQI
30th Jul 20265010 AMAQI
30th Jul 20265011 AMAQI
30th Jul 20264012 PMAQI
30th Jul 2026401 PMAQI
30th Jul 2026462 PMAQI
30th Jul 2026423 PMAQI
30th Jul 2026524 PMAQI
30th Jul 2026545 PMAQI
30th Jul 2026516 PMAQI
30th Jul 2026467 PMAQI
30th Jul 2026468 PMAQI
30th Jul 2026449 PMAQI
30th Jul 20264610 PMAQI
30th Jul 20265111 PMAQI
31st Jul 20265012 AMAQI
31st Jul 2026521 AMAQI
31st Jul 2026512 AMAQI
31st Jul 2026533 AMAQI
31st Jul 2026534 AMAQI
26°C21/35°C
31st Jul 2026545 AMAQI
31st Jul 2026556 AMAQI
31st Jul 2026547 AMAQI
31st Jul 2026548 AMAQI
31st Jul 2026579 AMAQI
31st Jul 20266010 AMAQI
31st Jul 20266211 AMAQI
31st Jul 20266512 PMAQI
31st Jul 2026661 PMAQI
31st Jul 2026702 PMAQI
31st Jul 2026663 PMAQI
31st Jul 2026604 PMAQI
31st Jul 2026575 PMAQI
31st Jul 2026576 PMAQI
31st Jul 2026607 PMAQI
31st Jul 2026538 PMAQI
31st Jul 2026499 PMAQI
31st Jul 20264810 PMAQI
31st Jul 20265011 PMAQI
1st Aug 20264412 AMAQI
1st Aug 2026421 AMAQI
1st Aug 2026462 AMAQI
1st Aug 2026253 AMAQI
1st Aug 2026254 AMAQI
24°C20/31°C
1st Aug 2026215 AMAQI
1st Aug 2026216 AMAQI
1st Aug 2026107 AMAQI
1st Aug 202688 AMAQI
1st Aug 202689 AMAQI
1st Aug 20261010 AMAQI
1st Aug 20261411 AMAQI
1st Aug 20261212 PMAQI
1st Aug 2026101 PMAQI
1st Aug 202682 PMAQI
1st Aug 202663 PMAQI
1st Aug 202684 PMAQI
1st Aug 202685 PMAQI
1st Aug 202686 PMAQI
1st Aug 202687 PMAQI
1st Aug 202688 PMAQI
1st Aug 202689 PMAQI
1st Aug 2026810 PMAQI
1st Aug 2026811 PMAQI
2nd Aug 20261012 AMAQI
2nd Aug 2026121 AMAQI
2nd Aug 2026122 AMAQI
2nd Aug 2026173 AMAQI
2nd Aug 2026174 AMAQI
20°C15/26°C
2nd Aug 2026175 AMAQI
2nd Aug 2026176 AMAQI
2nd Aug 2026177 AMAQI
2nd Aug 2026178 AMAQI
2nd Aug 2026179 AMAQI
2nd Aug 20261710 AMAQI
2nd Aug 20261711 AMAQI
2nd Aug 20262312 PMAQI
2nd Aug 2026291 PMAQI
2nd Aug 2026252 PMAQI
2nd Aug 2026253 PMAQI
2nd Aug 2026254 PMAQI
2nd Aug 2026255 PMAQI
2nd Aug 2026256 PMAQI
2nd Aug 2026237 PMAQI
2nd Aug 2026258 PMAQI
2nd Aug 2026279 PMAQI
2nd Aug 20262510 PMAQI
2nd Aug 20262511 PMAQI
3rd Aug 20262712 AMAQI
3rd Aug 2026361 AMAQI
3rd Aug 2026312 AMAQI
3rd Aug 2026313 AMAQI
3rd Aug 2026314 AMAQI
23°C17/30°C
3rd Aug 2026335 AMAQI
3rd Aug 2026316 AMAQI
3rd Aug 2026347 AMAQI
3rd Aug 2026278 AMAQI
3rd Aug 2026329 AMAQI
3rd Aug 20263610 AMAQI
3rd Aug 20263811 AMAQI
3rd Aug 20263812 PMAQI
3rd Aug 2026361 PMAQI
3rd Aug 2026362 PMAQI
3rd Aug 2026403 PMAQI
3rd Aug 2026424 PMAQI
3rd Aug 2026405 PMAQI
3rd Aug 2026406 PMAQI
3rd Aug 2026407 PMAQI
3rd Aug 2026388 PMAQI
3rd Aug 2026369 PMAQI
3rd Aug 20264210 PMAQI
3rd Aug 20264211 PMAQI
4th Aug 20264812 AMAQI
4th Aug 2026511 AMAQI
4th Aug 2026482 AMAQI
4th Aug 2026503 AMAQI
4th Aug 2026484 AMAQI
27°C20/35°C
4th Aug 2026345 AMAQI
4th Aug 2026346 AMAQI
4th Aug 2026427 AMAQI
4th Aug 2026408 AMAQI
4th Aug 2026409 AMAQI
4th Aug 20264610 AMAQI
4th Aug 20264411 AMAQI
4th Aug 20264012 PMAQI
4th Aug 2026401 PMAQI
4th Aug 2026402 PMAQI
4th Aug 2026403 PMAQI
4th Aug 2026404 PMAQI
4th Aug 2026425 PMAQI
4th Aug 2026406 PMAQI
4th Aug 2026427 PMAQI
4th Aug 2026368 PMAQI
4th Aug 2026389 PMAQI
4th Aug 20264210 PMAQI
4th Aug 20263611 PMAQI
5th Aug 20264012 AMAQI
5th Aug 2026361 AMAQI
5th Aug 2026382 AMAQI
5th Aug 2026363 AMAQI
5th Aug 2026384 AMAQI
27°C22/34°C
5th Aug 2026335 AMAQI
5th Aug 2026366 AMAQI
5th Aug 2026427 AMAQI
5th Aug 2026528 AMAQI
5th Aug 2026489 AMAQI
5th Aug 20264410 AMAQI
5th Aug 20264411 AMAQI
5th Aug 20264812 PMAQI
5th Aug 2026401 PMAQI
5th Aug 2026272 PMAQI
5th Aug 2026403 PMAQI
5th Aug 2026404 PMAQI
5th Aug 2026335 PMAQI
5th Aug 2026256 PMAQI
5th Aug 2026427 PMAQI
5th Aug 2026428 PMAQI
5th Aug 2026339 PMAQI
5th Aug 20263310 PMAQI
5th Aug 20264411 PMAQI
6th Aug 20264012 AMAQI
6th Aug 2026311 AMAQI
6th Aug 2026302 AMAQI
6th Aug 2026293 AMAQI
6th Aug 2026314 AMAQI
24°C20/29°C
6th Aug 2026425 AMAQI
6th Aug 2026426 AMAQI
6th Aug 2026257 AMAQI
6th Aug 2026258 AMAQI
6th Aug 2026219 AMAQI
6th Aug 20262110 AMAQI
6th Aug 20262311 AMAQI
6th Aug 20263612 PMAQI
6th Aug 2026401 PMAQI
6th Aug 2026402 PMAQI
6th Aug 2026403 PMAQI
6th Aug 2026424 PMAQI
6th Aug 2026405 PMAQI
6th Aug 2026316 PMAQI
6th Aug 2026317 PMAQI
6th Aug 2026298 PMAQI
6th Aug 2026319 PMAQI
6th Aug 20263110 PMAQI
6th Aug 20263611 PMAQI
7th Aug 20263812 AMAQI
7th Aug 2026271 AMAQI
7th Aug 2026252 AMAQI
7th Aug 2026253 AMAQI
7th Aug 2026254 AMAQI
21°C16/26°C
7th Aug 2026365 AMAQI
7th Aug 2026326 AMAQI
7th Aug 2026327 AMAQI
7th Aug 2026368 AMAQI
7th Aug 2026389 AMAQI
7th Aug 20263110 AMAQI
7th Aug 20263811 AMAQI
7th Aug 20263312 PMAQI
7th Aug 2026311 PMAQI
7th Aug 2026342 PMAQI
7th Aug 2026333 PMAQI
7th Aug 2026214 PMAQI
7th Aug 2026295 PMAQI
7th Aug 2026296 PMAQI
7th Aug 2026257 PMAQI
7th Aug 2026258 PMAQI
7th Aug 2026299 PMAQI
7th Aug 20262510 PMAQI
7th Aug 20262511 PMAQI
8th Aug 20262512 AMAQI
8th Aug 2026501 AMAQI
8th Aug 2026542 AMAQI
8th Aug 2026563 AMAQI
8th Aug 2026514 AMAQI
18°C13/23°C
8th Aug 2026305 AMAQI
8th Aug 2026296 AMAQI
8th Aug 2026297 AMAQI
8th Aug 2026468 AMAQI
8th Aug 2026389 AMAQI
8th Aug 20264010 AMAQI
8th Aug 20264611 AMAQI
8th Aug 20262512 PMAQI
8th Aug 2026211 PMAQI
8th Aug 2026292 PMAQI
8th Aug 2026443 PMAQI
8th Aug 2026364 PMAQI
8th Aug 2026215 PMAQI
8th Aug 2026256 PMAQI
8th Aug 2026257 PMAQI
8th Aug 2026278 PMAQI
8th Aug 2026319 PMAQI
8th Aug 20262510 PMAQI
8th Aug 20263311 PMAQI
9th Aug 20263312 AMAQI
9th Aug 2026381 AMAQI
9th Aug 2026462 AMAQI
9th Aug 2026423 AMAQI
9th Aug 2026484 AMAQI
21°C14/28°C
9th Aug 2026405 AMAQI
9th Aug 2026426 AMAQI
9th Aug 2026317 AMAQI
9th Aug 2026298 AMAQI
9th Aug 2026389 AMAQI
9th Aug 20263610 AMAQI
9th Aug 20263811 AMAQI
9th Aug 20264012 PMAQI
9th Aug 2026361 PMAQI
9th Aug 2026212 PMAQI
9th Aug 2026293 PMAQI
9th Aug 2026384 PMAQI
9th Aug 2026425 PMAQI
9th Aug 2026446 PMAQI
9th Aug 2026427 PMAQI
9th Aug 2026318 PMAQI
9th Aug 2026279 PMAQI
9th Aug 20263610 PMAQI
9th Aug 20263111 PMAQI
10th Aug 20263612 AMAQI
10th Aug 2026361 AMAQI
10th Aug 2026312 AMAQI
10th Aug 2026213 AMAQI
10th Aug 2026254 AMAQI
25°C19/33°C
10th Aug 2026345 AMAQI
10th Aug 2026336 AMAQI
10th Aug 2026307 AMAQI
10th Aug 2026218 AMAQI
10th Aug 2026319 AMAQI
10th Aug 20263110 AMAQI
10th Aug 20263811 AMAQI
10th Aug 20264412 PMAQI
10th Aug 2026401 PMAQI
10th Aug 2026362 PMAQI
10th Aug 2026253 PMAQI
10th Aug 2026344 PMAQI
10th Aug 2026445 PMAQI
10th Aug 2026466 PMAQI
10th Aug 2026427 PMAQI
10th Aug 2026408 PMAQI
10th Aug 2026339 PMAQI
10th Aug 20262910 PMAQI
10th Aug 20262511 PMAQI
11th Aug 20263012 AMAQI
11th Aug 2026381 AMAQI
11th Aug 2026292 AMAQI
11th Aug 2026313 AMAQI
11th Aug 2026384 AMAQI
24°C19/29°C
11th Aug 2026325 AMAQI
11th Aug 2026216 AMAQI
11th Aug 2026297 AMAQI
11th Aug 2026348 AMAQI
11th Aug 2026529 AMAQI
11th Aug 20264910 AMAQI
11th Aug 20262711 AMAQI
11th Aug 20263112 PMAQI
11th Aug 2026271 PMAQI
11th Aug 2026212 PMAQI
11th Aug 2026213 PMAQI
11th Aug 2026124 PMAQI
11th Aug 2026405 PMAQI
11th Aug 2026266 PMAQI
11th Aug 2026117 PMAQI
11th Aug 2026258 PMAQI
11th Aug 2026259 PMAQI
11th Aug 20262510 PMAQI
11th Aug 20263411 PMAQI
12th Aug 20262512 AMAQI
12th Aug 2026271 AMAQI
12th Aug 2026292 AMAQI
12th Aug 2026293 AMAQI
12th Aug 2026274 AMAQI
19°C13/26°C
12th Aug 2026385 AMAQI
12th Aug 2026386 AMAQI
12th Aug 2026277 AMAQI
12th Aug 2026238 AMAQI
12th Aug 2026409 AMAQI
12th Aug 20263610 AMAQI
12th Aug 20262311 AMAQI
12th Aug 20262512 PMAQI
12th Aug 2026291 PMAQI
12th Aug 2026272 PMAQI
12th Aug 2026253 PMAQI
12th Aug 2026294 PMAQI
12th Aug 2026515 PMAQI
12th Aug 2026166 PMAQI
12th Aug 2026387 PMAQI
12th Aug 2026538 PMAQI
12th Aug 2026519 PMAQI
12th Aug 20263410 PMAQI
12th Aug 20265011 PMAQI
13th Aug 20263312 AMAQI
13th Aug 2026251 AMAQI
13th Aug 2026212 AMAQI
13th Aug 2026313 AMAQI
13th Aug 2026294 AMAQI
22°C14/31°C
13th Aug 2026315 AMAQI
13th Aug 2026276 AMAQI
13th Aug 2026447 AMAQI
13th Aug 2026528 AMAQI
13th Aug 2026389 AMAQI
13th Aug 20263810 AMAQI
13th Aug 20263811 AMAQI
13th Aug 20263412 PMAQI
13th Aug 2026381 PMAQI
13th Aug 2026332 PMAQI
13th Aug 2026423 PMAQI
13th Aug 2026404 PMAQI
13th Aug 2026405 PMAQI
13th Aug 2026366 PMAQI
13th Aug 2026277 PMAQI
13th Aug 2026298 PMAQI
13th Aug 2026329 PMAQI
13th Aug 20263810 PMAQI
13th Aug 20262711 PMAQI
14th Aug 20263112 AMAQI
14th Aug 2026421 AMAQI
14th Aug 2026532 AMAQI
14th Aug 2026533 AMAQI
14th Aug 2026404 AMAQI
27°C19/35°C
14th Aug 2026255 AMAQI
14th Aug 2026276 AMAQI
14th Aug 2026487 AMAQI
14th Aug 2026468 AMAQI
14th Aug 2026489 AMAQI
14th Aug 20264810 AMAQI
14th Aug 20264611 AMAQI
14th Aug 20263412 PMAQI
14th Aug 2026291 PMAQI
14th Aug 2026302 PMAQI
14th Aug 2026363 PMAQI
14th Aug 2026274 PMAQI
14th Aug 2026295 PMAQI
14th Aug 2026296 PMAQI
14th Aug 2026257 PMAQI
14th Aug 2026298 PMAQI
14th Aug 2026279 PMAQI
14th Aug 20262710 PMAQI
14th Aug 20262711 PMAQI
15th Aug 20262712 AMAQI
15th Aug 2026291 AMAQI
15th Aug 2026332 AMAQI
15th Aug 2026323 AMAQI
15th Aug 2026554 AMAQI
29°C22/38°C
15th Aug 2026345 AMAQI
5 AM15th Aug 2026336 AMAQI
15th Aug 2026387 AMAQI
15th Aug 2026768 AMAQI
15th Aug 2026949 AMAQI
15th Aug 20264610 AMAQI
15th Aug 20265111 AMAQI
15th Aug 20266012 PMAQI
15th Aug 2026551 PMAQI
1 PM15th Aug 2026502 PMAQI
15th Aug 2026463 PMAQI
15th Aug 2026364 PMAQI
15th Aug 2026275 PMAQI
15th Aug 2026256 PMAQI
15th Aug 2026277 PMAQI
15th Aug 2026448 PMAQI
15th Aug 2026579 PMAQI
9 PM15th Aug 20266010 PMAQI
15th Aug 20263311 PMAQI
1 AM
4 AM
28°C22/34°C
Day time
Avg. Highest Time
11 AM
38AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
5 AM - 6 AM
32AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 11 AM (Avg. 38), while the lowest AQI was between 5 AM to 6 AM (Avg. 32).
Night time
Avg. Highest Time
12 AM - 11 PM
34AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
12 AM
33AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 34), while the lowest AQI was between 12 AM to 12 AM (Avg. 33).
2026 Days Vs Air Quality
Bottrop Welheim, Bottrop, North Rhine Westphalia, Germany
2026
87%
194
12%
27
1%
3
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Good
194 DaysModerate
27 DaysPoor
3 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2026, 87% of 227 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
Bottrop Welheim, Bottrop, North Rhine Westphalia, Germany
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
46AQI (US)
46AQI (US)
2nd January 2026
19AQI (US)
19AQI (US)
3rd January 2026
28AQI (US)
28AQI (US)
4th January 2026
37AQI (US)
37AQI (US)
5th January 2026
42AQI (US)
42AQI (US)
6th January 2026
54AQI (US)
54AQI (US)
7th January 2026
38AQI (US)
38AQI (US)
8th January 2026
37AQI (US)
37AQI (US)
9th January 2026
16AQI (US)
16AQI (US)
10th January 2026
38AQI (US)
38AQI (US)
11th January 2026
43AQI (US)
43AQI (US)
12th January 2026
36AQI (US)
36AQI (US)
13th January 2026
21AQI (US)
21AQI (US)
14th January 2026
26AQI (US)
26AQI (US)
15th January 2026
30AQI (US)
30AQI (US)
16th January 2026
20AQI (US)
20AQI (US)
17th January 2026
39AQI (US)
39AQI (US)
18th January 2026
80AQI (US)
80AQI (US)
19th January 2026
62AQI (US)
62AQI (US)
20th January 2026
77AQI (US)
77AQI (US)
21st January 2026
71AQI (US)
71AQI (US)
22nd January 2026
64AQI (US)
64AQI (US)
23rd January 2026
69AQI (US)
69AQI (US)
24th January 2026
100AQI (US)
100AQI (US)
25th January 2026
137AQI (US)
137AQI (US)
26th January 2026
114AQI (US)
114AQI (US)
27th January 2026
86AQI (US)
86AQI (US)
28th January 2026
53AQI (US)
53AQI (US)
29th January 2026
70AQI (US)
70AQI (US)
30th January 2026
46AQI (US)
46AQI (US)
31st January 2026
29AQI (US)
29AQI (US)
1st February 2026
46AQI (US)
46AQI (US)
2nd February 2026
46AQI (US)
46AQI (US)
3rd February 2026
75AQI (US)
75AQI (US)
4th February 2026
28AQI (US)
28AQI (US)
5th February 2026
93AQI (US)
93AQI (US)
6th February 2026
57AQI (US)
57AQI (US)
7th February 2026
30AQI (US)
30AQI (US)
8th February 2026
46AQI (US)
46AQI (US)
9th February 2026
38AQI (US)
38AQI (US)
10th February 2026
32AQI (US)
32AQI (US)
11th February 2026
27AQI (US)
27AQI (US)
12th February 2026
31AQI (US)
31AQI (US)
13th February 2026
43AQI (US)
43AQI (US)
14th February 2026
45AQI (US)
45AQI (US)
15th February 2026
41AQI (US)
41AQI (US)
16th February 2026
23AQI (US)
23AQI (US)
17th February 2026
34AQI (US)
34AQI (US)
18th February 2026
43AQI (US)
43AQI (US)
19th February 2026
39AQI (US)
39AQI (US)
20th February 2026
39AQI (US)
39AQI (US)
21st February 2026
25AQI (US)
25AQI (US)
22nd February 2026
15AQI (US)
15AQI (US)
23rd February 2026
31AQI (US)
31AQI (US)
24th February 2026
35AQI (US)
35AQI (US)
25th February 2026
34AQI (US)
34AQI (US)
26th February 2026
30AQI (US)
30AQI (US)
27th February 2026
31AQI (US)
31AQI (US)
28th February 2026
20AQI (US)
20AQI (US)
1st March 2026
25AQI (US)
25AQI (US)
2nd March 2026
33AQI (US)
33AQI (US)
3rd March 2026
34AQI (US)
34AQI (US)
4th March 2026
71AQI (US)
71AQI (US)
5th March 2026
64AQI (US)
64AQI (US)
6th March 2026
59AQI (US)
59AQI (US)
7th March 2026
93AQI (US)
93AQI (US)
8th March 2026
101AQI (US)
101AQI (US)
9th March 2026
88AQI (US)
88AQI (US)
10th March 2026
76AQI (US)
76AQI (US)
11th March 2026
23AQI (US)
23AQI (US)
12th March 2026
31AQI (US)
31AQI (US)
13th March 2026
23AQI (US)
23AQI (US)
14th March 2026
15AQI (US)
15AQI (US)
15th March 2026
18AQI (US)
18AQI (US)
16th March 2026
17AQI (US)
17AQI (US)
17th March 2026
26AQI (US)
26AQI (US)
18th March 2026
22AQI (US)
22AQI (US)
19th March 2026
61AQI (US)
61AQI (US)
20th March 2026
76AQI (US)
76AQI (US)
21st March 2026
35AQI (US)
35AQI (US)
22nd March 2026
64AQI (US)
64AQI (US)
23rd March 2026
63AQI (US)
63AQI (US)
24th March 2026
82AQI (US)
82AQI (US)
25th March 2026
39AQI (US)
39AQI (US)
26th March 2026
12AQI (US)
12AQI (US)
27th March 2026
25AQI (US)
25AQI (US)
28th March 2026
19AQI (US)
19AQI (US)
29th March 2026
16AQI (US)
16AQI (US)
30th March 2026
18AQI (US)
18AQI (US)
31st March 2026
26AQI (US)
26AQI (US)
1st April 2026
22AQI (US)
22AQI (US)
2nd April 2026
33AQI (US)
33AQI (US)
3rd April 2026
22AQI (US)
22AQI (US)
4th April 2026
23AQI (US)
23AQI (US)
5th April 2026
29AQI (US)
29AQI (US)
6th April 2026
22AQI (US)
22AQI (US)
7th April 2026
20AQI (US)
20AQI (US)
8th April 2026
24AQI (US)
24AQI (US)
9th April 2026
23AQI (US)
23AQI (US)
10th April 2026
26AQI (US)
26AQI (US)
11th April 2026
32AQI (US)
32AQI (US)
12th April 2026
20AQI (US)
20AQI (US)
13th April 2026
26AQI (US)
26AQI (US)
14th April 2026
46AQI (US)
46AQI (US)
15th April 2026
51AQI (US)
51AQI (US)
16th April 2026
27AQI (US)
27AQI (US)
17th April 2026
18th April 2026
49AQI (US)
49AQI (US)
19th April 2026
21AQI (US)
21AQI (US)
20th April 2026
21AQI (US)
21AQI (US)
21st April 2026
28AQI (US)
28AQI (US)
22nd April 2026
23rd April 2026
22AQI (US)
22AQI (US)
24th April 2026
32AQI (US)
32AQI (US)
25th April 2026
45AQI (US)
45AQI (US)
26th April 2026
25AQI (US)
25AQI (US)
27th April 2026
26AQI (US)
26AQI (US)
28th April 2026
23AQI (US)
23AQI (US)
29th April 2026
16AQI (US)
16AQI (US)
30th April 2026
17AQI (US)
17AQI (US)
1st May 2026
24AQI (US)
24AQI (US)
2nd May 2026
23AQI (US)
23AQI (US)
3rd May 2026
20AQI (US)
20AQI (US)
4th May 2026
27AQI (US)
27AQI (US)
5th May 2026
21AQI (US)
21AQI (US)
6th May 2026
23AQI (US)
23AQI (US)
7th May 2026
23AQI (US)
23AQI (US)
8th May 2026
30AQI (US)
30AQI (US)
9th May 2026
10th May 2026
45AQI (US)
45AQI (US)
11th May 2026
17AQI (US)
17AQI (US)
12th May 2026
18AQI (US)
18AQI (US)
13th May 2026
19AQI (US)
19AQI (US)
14th May 2026
14AQI (US)
14AQI (US)
15th May 2026
27AQI (US)
27AQI (US)
16th May 2026
36AQI (US)
36AQI (US)
17th May 2026
36AQI (US)
36AQI (US)
18th May 2026
34AQI (US)
34AQI (US)
19th May 2026
30AQI (US)
30AQI (US)
20th May 2026
30AQI (US)
30AQI (US)
21st May 2026
30AQI (US)
30AQI (US)
22nd May 2026
35AQI (US)
35AQI (US)
23rd May 2026
36AQI (US)
36AQI (US)
24th May 2026
50AQI (US)
50AQI (US)
25th May 2026
39AQI (US)
39AQI (US)
26th May 2026
28AQI (US)
28AQI (US)
27th May 2026
20AQI (US)
20AQI (US)
28th May 2026
11AQI (US)
11AQI (US)
29th May 2026
23AQI (US)
23AQI (US)
30th May 2026
21AQI (US)
21AQI (US)
31st May 2026
26AQI (US)
26AQI (US)
1st June 2026
30AQI (US)
30AQI (US)
2nd June 2026
23AQI (US)
23AQI (US)
3rd June 2026
16AQI (US)
16AQI (US)
4th June 2026
16AQI (US)
16AQI (US)
5th June 2026
19AQI (US)
19AQI (US)
6th June 2026
14AQI (US)
14AQI (US)
7th June 2026
20AQI (US)
20AQI (US)
8th June 2026
21AQI (US)
21AQI (US)
9th June 2026
23AQI (US)
23AQI (US)
10th June 2026
23AQI (US)
23AQI (US)
11th June 2026
24AQI (US)
24AQI (US)
12th June 2026
23AQI (US)
23AQI (US)
13th June 2026
19AQI (US)
19AQI (US)
14th June 2026
19AQI (US)
19AQI (US)
15th June 2026
21AQI (US)
21AQI (US)
16th June 2026
30AQI (US)
30AQI (US)
17th June 2026
35AQI (US)
35AQI (US)
18th June 2026
22AQI (US)
22AQI (US)
19th June 2026
20AQI (US)
20AQI (US)
20th June 2026
16AQI (US)
16AQI (US)
21st June 2026
14AQI (US)
14AQI (US)
22nd June 2026
21AQI (US)
21AQI (US)
23rd June 2026
22AQI (US)
22AQI (US)
24th June 2026
24AQI (US)
24AQI (US)
25th June 2026
37AQI (US)
37AQI (US)
26th June 2026
39AQI (US)
39AQI (US)
27th June 2026
44AQI (US)
44AQI (US)
28th June 2026
40AQI (US)
40AQI (US)
29th June 2026
20AQI (US)
20AQI (US)
30th June 2026
21AQI (US)
21AQI (US)
1st July 2026
23AQI (US)
23AQI (US)
2nd July 2026
20AQI (US)
20AQI (US)
3rd July 2026
13AQI (US)
13AQI (US)
4th July 2026
17AQI (US)
17AQI (US)
5th July 2026
14AQI (US)
14AQI (US)
6th July 2026
15AQI (US)
15AQI (US)
7th July 2026
17AQI (US)
17AQI (US)
8th July 2026
14AQI (US)
14AQI (US)
9th July 2026
20AQI (US)
20AQI (US)
10th July 2026
27AQI (US)
27AQI (US)
11th July 2026
27AQI (US)
27AQI (US)
12th July 2026
26AQI (US)
26AQI (US)
13th July 2026
28AQI (US)
28AQI (US)
14th July 2026
21AQI (US)
21AQI (US)
15th July 2026
17AQI (US)
17AQI (US)
16th July 2026
27AQI (US)
27AQI (US)
17th July 2026
38AQI (US)
38AQI (US)
18th July 2026
48AQI (US)
48AQI (US)
19th July 2026
27AQI (US)
27AQI (US)
20th July 2026
27AQI (US)
27AQI (US)
21st July 2026
32AQI (US)
32AQI (US)
22nd July 2026
30AQI (US)
30AQI (US)
23rd July 2026
27AQI (US)
27AQI (US)
24th July 2026
32AQI (US)
32AQI (US)
25th July 2026
40AQI (US)
40AQI (US)
26th July 2026
40AQI (US)
40AQI (US)
27th July 2026
32AQI (US)
32AQI (US)
28th July 2026
29AQI (US)
29AQI (US)
29th July 2026
38AQI (US)
38AQI (US)
30th July 2026
46AQI (US)
46AQI (US)
31st July 2026
56AQI (US)
56AQI (US)
1st August 2026
16AQI (US)
16AQI (US)
2nd August 2026
20AQI (US)
20AQI (US)
3rd August 2026
36AQI (US)
36AQI (US)
4th August 2026
42AQI (US)
42AQI (US)
5th August 2026
39AQI (US)
39AQI (US)
6th August 2026
33AQI (US)
33AQI (US)
7th August 2026
30AQI (US)
30AQI (US)
8th August 2026
35AQI (US)
35AQI (US)
9th August 2026
37AQI (US)
37AQI (US)
10th August 2026
34AQI (US)
34AQI (US)
11th August 2026
30AQI (US)
30AQI (US)
12th August 2026
33AQI (US)
33AQI (US)
13th August 2026
34AQI (US)
34AQI (US)
14th August 2026
36AQI (US)
36AQI (US)
15th August 2026
44AQI (US)
44AQI (US)
16th August 2026
17th August 2026
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
53AQI (US)
38AQI (US)
44AQI (US)
28AQI (US)
27AQI (US)
24AQI (US)
28AQI (US)
33AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202635AQI (US)
18
11
2
25
3
19
11
1
27
1
30
30
30
1
15
194
27
3
Highest AQI (US) recorded in
January53AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202542AQI (US)
17
14
6
18
4
9
22
22
8
29
2
28
2
31
28
3
28
2
19
12
19
11
16
15
252
109
4
Highest AQI (US) recorded in
February67AQI (US)
Lowest AQI (US) recorded in
September25AQI (US)
202440AQI (US)
21
10
22
7
16
15
30
25
6
25
5
29
2
25
6
21
9
26
5
19
11
23
8
282
84
Highest AQI (US) recorded in
January48AQI (US)
Lowest AQI (US) recorded in
April32AQI (US)
202330AQI (US)
31
28
31
30
31
30
31
30
1
25
5
27
4
27
2
25
6
346
18
Highest AQI (US) recorded in
December38AQI (US)
Lowest AQI (US) recorded in
January22AQI (US)
202224AQI (US)
30
21
31
30
31
30
23
1
1
28
31
30
30
1
316
2
Highest AQI (US) recorded in
August30AQI (US)
Lowest AQI (US) recorded in
November19AQI (US)
202122AQI (US)
29
28
31
30
31
29
1
31
31
30
31
30
31
362
1
Highest AQI (US) recorded in
June31AQI (US)
Lowest AQI (US) recorded in
January17AQI (US)
202023AQI (US)
13
17
18
30
31
31
30
31
30
31
262
Highest AQI (US) recorded in
April28AQI (US)
Lowest AQI (US) recorded in
December17AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
42AQI (US)Least Polluted Year Recorded
2021(Avg.)
22AQI (US)Bottrop Welheim's annual 2026 AQI (US) (35) shows an average percentage change of 24.09% (worsened AQI (US)) compared to previous years: 2020 (23), 2021 (22), 2022 (24), 2023 (30), 2024 (40), 2025 (42).
