Bielefeld, 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
Bielefeld, North Rhine Westphalia, Germany
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
15th Aug 2025
63AQILowest AQI recorded on
2nd Aug 2023
18AQISame Day Analysis (4th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 27 of Good air quality, showing improvement over 2024 on the same day.
Day & Night AQI Trend: 3rd Aug - 4th Aug 2026
Bielefeld, North Rhine Westphalia, Germany
AQI
Day
Night
.
5 AM3rd Aug 2026
9 PM
4 AM4th Aug 2026
Day time
Avg. Highest Time
2PM3rd Aug
48AQI
Avg. Lowest Time
9PM3rd Aug
27AQI
Night time
Avg. Highest Time
11PM3rd Aug
57AQI
Avg. Lowest Time
3AM4th Aug
28AQI
In the last 24 hours,
Bielefeld's AQI reached its highest point of 57 at 11 PM during the Night, while the lowest point, 27, was recorded at 9 PM during the Day between 3rd Aug and 4th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Bielefeld, North Rhine Westphalia, Germany
JulAug
06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
6th Jul 2026115 AMAQI
6th Jul 202646 AMAQI
6th Jul 202667 AMAQI
6th Jul 202688 AMAQI
6th Jul 2026119 AMAQI
6th Jul 20261810 AMAQI
6th Jul 20262011 AMAQI
6th Jul 20262112 PMAQI
6th Jul 2026221 PMAQI
6th Jul 2026182 PMAQI
6th Jul 2026163 PMAQI
6th Jul 202674 PMAQI
6th Jul 2026265 PMAQI
6th Jul 2026276 PMAQI
6th Jul 2026287 PMAQI
6th Jul 2026228 PMAQI
6th Jul 2026169 PMAQI
6th Jul 20261510 PMAQI
6th Jul 20261111 PMAQI
7th Jul 2026812 AMAQI
7th Jul 202681 AMAQI
7th Jul 2026142 AMAQI
7th Jul 202683 AMAQI
7th Jul 202684 AMAQI
17°C13/24°C
7th Jul 202685 AMAQI
7th Jul 2026486 AMAQI
7th Jul 2026117 AMAQI
7th Jul 2026278 AMAQI
7th Jul 2026119 AMAQI
7th Jul 20261210 AMAQI
7th Jul 20261411 AMAQI
7th Jul 20262712 PMAQI
7th Jul 2026251 PMAQI
7th Jul 2026252 PMAQI
7th Jul 2026253 PMAQI
7th Jul 2026244 PMAQI
7th Jul 2026165 PMAQI
7th Jul 2026286 PMAQI
7th Jul 2026187 PMAQI
7th Jul 202698 PMAQI
7th Jul 2026179 PMAQI
7th Jul 20261210 PMAQI
7th Jul 20261011 PMAQI
8th Jul 2026912 AMAQI
8th Jul 202681 AMAQI
8th Jul 202682 AMAQI
8th Jul 202663 AMAQI
8th Jul 2026214 AMAQI
20°C15/27°C
8th Jul 2026195 AMAQI
8th Jul 2026126 AMAQI
8th Jul 2026157 AMAQI
8th Jul 2026258 AMAQI
8th Jul 2026209 AMAQI
8th Jul 20262210 AMAQI
8th Jul 20261811 AMAQI
8th Jul 20261612 PMAQI
8th Jul 2026101 PMAQI
8th Jul 202682 PMAQI
8th Jul 202683 PMAQI
8th Jul 202644 PMAQI
8th Jul 202685 PMAQI
8th Jul 202686 PMAQI
8th Jul 202687 PMAQI
8th Jul 202688 PMAQI
8th Jul 2026169 PMAQI
8th Jul 20261610 PMAQI
8th Jul 2026811 PMAQI
9th Jul 20261312 AMAQI
9th Jul 202681 AMAQI
9th Jul 202682 AMAQI
9th Jul 202683 AMAQI
9th Jul 2026204 AMAQI
17°C13/21°C
9th Jul 202645 AMAQI
9th Jul 202696 AMAQI
9th Jul 202687 AMAQI
9th Jul 2026158 AMAQI
9th Jul 202689 AMAQI
9th Jul 20261510 AMAQI
9th Jul 20261911 AMAQI
9th Jul 2026812 PMAQI
9th Jul 2026151 PMAQI
9th Jul 2026152 PMAQI
9th Jul 2026143 PMAQI
9th Jul 2026254 PMAQI
9th Jul 2026105 PMAQI
9th Jul 202686 PMAQI
9th Jul 202667 PMAQI
9th Jul 2026128 PMAQI
9th Jul 2026159 PMAQI
9th Jul 2026810 PMAQI
9th Jul 2026811 PMAQI
10th Jul 2026912 AMAQI
10th Jul 2026121 AMAQI
10th Jul 2026102 AMAQI
10th Jul 202683 AMAQI
10th Jul 2026114 AMAQI
18°C12/23°C
10th Jul 2026185 AMAQI
10th Jul 2026306 AMAQI
10th Jul 2026327 AMAQI
10th Jul 2026308 AMAQI
10th Jul 2026539 AMAQI
10th Jul 20263410 AMAQI
10th Jul 20262411 AMAQI
10th Jul 20261812 PMAQI
10th Jul 2026241 PMAQI
10th Jul 2026172 PMAQI
10th Jul 2026153 PMAQI
10th Jul 2026124 PMAQI
10th Jul 2026175 PMAQI
10th Jul 2026226 PMAQI
10th Jul 2026267 PMAQI
10th Jul 2026268 PMAQI
10th Jul 2026339 PMAQI
10th Jul 20262410 PMAQI
10th Jul 20261811 PMAQI
11th Jul 20261912 AMAQI
11th Jul 2026231 AMAQI
11th Jul 2026282 AMAQI
11th Jul 2026153 AMAQI
11th Jul 2026244 AMAQI
19°C13/25°C
11th Jul 2026415 AMAQI
11th Jul 2026236 AMAQI
11th Jul 2026587 AMAQI
11th Jul 2026658 AMAQI
11th Jul 2026529 AMAQI
11th Jul 20264410 AMAQI
11th Jul 20262411 AMAQI
11th Jul 20262012 PMAQI
11th Jul 2026101 PMAQI
11th Jul 202692 PMAQI
11th Jul 202683 PMAQI
11th Jul 2026244 PMAQI
11th Jul 2026255 PMAQI
11th Jul 202676 PMAQI
11th Jul 202647 PMAQI
11th Jul 202658 PMAQI
11th Jul 202669 PMAQI
11th Jul 2026610 PMAQI
11th Jul 2026711 PMAQI
12th Jul 2026812 AMAQI
12th Jul 2026121 AMAQI
12th Jul 2026132 AMAQI
12th Jul 2026183 AMAQI
12th Jul 2026204 AMAQI
21°C15/27°C
12th Jul 2026225 AMAQI
12th Jul 2026226 AMAQI
12th Jul 2026287 AMAQI
12th Jul 2026238 AMAQI
12th Jul 2026249 AMAQI
12th Jul 20261810 AMAQI
12th Jul 20261711 AMAQI
12th Jul 20261412 PMAQI
12th Jul 2026161 PMAQI
12th Jul 2026122 PMAQI
12th Jul 2026123 PMAQI
12th Jul 2026154 PMAQI
12th Jul 2026175 PMAQI
12th Jul 2026116 PMAQI
12th Jul 202687 PMAQI
12th Jul 2026148 PMAQI
12th Jul 2026129 PMAQI
12th Jul 20261210 PMAQI
12th Jul 2026811 PMAQI
13th Jul 2026412 AMAQI
13th Jul 202641 AMAQI
13th Jul 202662 AMAQI
13th Jul 202673 AMAQI
13th Jul 2026234 AMAQI
21°C16/28°C
13th Jul 2026105 AMAQI
13th Jul 2026136 AMAQI
13th Jul 2026187 AMAQI
13th Jul 2026188 AMAQI
13th Jul 2026239 AMAQI
13th Jul 20262710 AMAQI
13th Jul 20262811 AMAQI
13th Jul 20263012 PMAQI
13th Jul 2026281 PMAQI
13th Jul 2026292 PMAQI
13th Jul 2026313 PMAQI
13th Jul 2026314 PMAQI
13th Jul 2026285 PMAQI
13th Jul 2026316 PMAQI
13th Jul 2026307 PMAQI
13th Jul 2026298 PMAQI
13th Jul 2026259 PMAQI
13th Jul 20262910 PMAQI
13th Jul 20262811 PMAQI
14th Jul 20262912 AMAQI
14th Jul 2026261 AMAQI
14th Jul 2026252 AMAQI
14th Jul 2026293 AMAQI
14th Jul 2026234 AMAQI
20°C12/29°C
14th Jul 2026205 AMAQI
14th Jul 2026196 AMAQI
14th Jul 2026197 AMAQI
14th Jul 2026198 AMAQI
14th Jul 2026219 AMAQI
14th Jul 20262710 AMAQI
14th Jul 20262811 AMAQI
14th Jul 20262512 PMAQI
14th Jul 2026271 PMAQI
14th Jul 2026282 PMAQI
14th Jul 2026283 PMAQI
14th Jul 2026314 PMAQI
14th Jul 2026305 PMAQI
14th Jul 2026306 PMAQI
14th Jul 2026307 PMAQI
14th Jul 2026298 PMAQI
14th Jul 2026269 PMAQI
14th Jul 20262910 PMAQI
14th Jul 20262311 PMAQI
15th Jul 20262812 AMAQI
15th Jul 2026281 AMAQI
15th Jul 2026282 AMAQI
15th Jul 2026293 AMAQI
15th Jul 2026234 AMAQI
21°C16/26°C
15th Jul 2026205 AMAQI
15th Jul 2026196 AMAQI
15th Jul 2026207 AMAQI
15th Jul 2026188 AMAQI
15th Jul 2026209 AMAQI
15th Jul 20262410 AMAQI
15th Jul 20262311 AMAQI
15th Jul 20262212 PMAQI
15th Jul 2026241 PMAQI
15th Jul 2026232 PMAQI
15th Jul 2026253 PMAQI
15th Jul 2026234 PMAQI
15th Jul 2026235 PMAQI
15th Jul 2026236 PMAQI
15th Jul 2026267 PMAQI
15th Jul 2026278 PMAQI
15th Jul 2026249 PMAQI
15th Jul 20262710 PMAQI
15th Jul 20262511 PMAQI
16th Jul 20262512 AMAQI
16th Jul 2026271 AMAQI
16th Jul 2026272 AMAQI
16th Jul 2026573 AMAQI
16th Jul 2026594 AMAQI
20°C14/26°C
16th Jul 2026685 AMAQI
16th Jul 2026646 AMAQI
16th Jul 2026597 AMAQI
16th Jul 2026598 AMAQI
16th Jul 2026609 AMAQI
16th Jul 20265310 AMAQI
16th Jul 20265311 AMAQI
16th Jul 20265012 PMAQI
16th Jul 2026451 PMAQI
16th Jul 2026322 PMAQI
16th Jul 2026273 PMAQI
16th Jul 2026214 PMAQI
16th Jul 2026145 PMAQI
16th Jul 2026286 PMAQI
16th Jul 2026297 PMAQI
16th Jul 2026178 PMAQI
16th Jul 2026209 PMAQI
16th Jul 20262510 PMAQI
16th Jul 20263611 PMAQI
17th Jul 20264412 AMAQI
17th Jul 2026521 AMAQI
17th Jul 2026522 AMAQI
17th Jul 2026553 AMAQI
17th Jul 2026584 AMAQI
20°C17/26°C
17th Jul 2026555 AMAQI
17th Jul 2026536 AMAQI
17th Jul 2026597 AMAQI
17th Jul 2026638 AMAQI
17th Jul 2026549 AMAQI
17th Jul 20264010 AMAQI
17th Jul 20264111 AMAQI
17th Jul 20263712 PMAQI
17th Jul 2026391 PMAQI
17th Jul 2026412 PMAQI
17th Jul 2026433 PMAQI
17th Jul 2026434 PMAQI
17th Jul 2026445 PMAQI
17th Jul 2026426 PMAQI
17th Jul 2026397 PMAQI
17th Jul 2026398 PMAQI
17th Jul 2026379 PMAQI
17th Jul 20263210 PMAQI
17th Jul 20264511 PMAQI
18th Jul 20263912 AMAQI
18th Jul 2026391 AMAQI
18th Jul 2026312 AMAQI
18th Jul 2026363 AMAQI
18th Jul 2026464 AMAQI
21°C15/28°C
18th Jul 2026425 AMAQI
18th Jul 2026436 AMAQI
18th Jul 2026427 AMAQI
18th Jul 2026448 AMAQI
18th Jul 2026449 AMAQI
18th Jul 20264910 AMAQI
18th Jul 20265011 AMAQI
18th Jul 20264712 PMAQI
18th Jul 2026511 PMAQI
18th Jul 2026532 PMAQI
18th Jul 2026543 PMAQI
18th Jul 2026554 PMAQI
18th Jul 2026565 PMAQI
18th Jul 2026556 PMAQI
18th Jul 2026537 PMAQI
18th Jul 2026498 PMAQI
18th Jul 2026419 PMAQI
18th Jul 20264110 PMAQI
18th Jul 20263411 PMAQI
19th Jul 20262912 AMAQI
19th Jul 2026211 AMAQI
19th Jul 2026222 AMAQI
19th Jul 2026193 AMAQI
19th Jul 2026174 AMAQI
18°C13/24°C
19th Jul 2026185 AMAQI
19th Jul 2026146 AMAQI
19th Jul 2026207 AMAQI
19th Jul 2026218 AMAQI
19th Jul 2026199 AMAQI
19th Jul 20261310 AMAQI
19th Jul 20261411 AMAQI
19th Jul 20261712 PMAQI
19th Jul 2026181 PMAQI
19th Jul 2026132 PMAQI
19th Jul 2026183 PMAQI
19th Jul 2026204 PMAQI
19th Jul 2026195 PMAQI
19th Jul 2026196 PMAQI
19th Jul 2026217 PMAQI
19th Jul 2026308 PMAQI
19th Jul 2026249 PMAQI
19th Jul 20261710 PMAQI
19th Jul 20262211 PMAQI
20th Jul 20262612 AMAQI
20th Jul 2026361 AMAQI
20th Jul 2026302 AMAQI
20th Jul 2026253 AMAQI
20th Jul 2026264 AMAQI
15°C11/21°C
20th Jul 2026235 AMAQI
20th Jul 2026216 AMAQI
20th Jul 2026267 AMAQI
20th Jul 2026298 AMAQI
20th Jul 2026269 AMAQI
20th Jul 20262710 AMAQI
20th Jul 20263611 AMAQI
20th Jul 20263812 PMAQI
20th Jul 2026271 PMAQI
20th Jul 2026182 PMAQI
20th Jul 2026273 PMAQI
20th Jul 2026274 PMAQI
20th Jul 2026235 PMAQI
20th Jul 2026256 PMAQI
20th Jul 2026217 PMAQI
20th Jul 2026248 PMAQI
20th Jul 2026219 PMAQI
20th Jul 20262110 PMAQI
20th Jul 20263311 PMAQI
21st Jul 20263712 AMAQI
21st Jul 2026371 AMAQI
21st Jul 2026352 AMAQI
21st Jul 2026383 AMAQI
21st Jul 2026314 AMAQI
15°C11/20°C
21st Jul 2026216 AMAQI
21st Jul 2026177 AMAQI
21st Jul 2026238 AMAQI
21st Jul 2026239 AMAQI
21st Jul 20263610 AMAQI
21st Jul 20262411 AMAQI
21st Jul 20263412 PMAQI
21st Jul 2026231 PMAQI
21st Jul 2026222 PMAQI
21st Jul 2026283 PMAQI
21st Jul 2026264 PMAQI
21st Jul 2026295 PMAQI
21st Jul 2026276 PMAQI
21st Jul 2026277 PMAQI
21st Jul 2026258 PMAQI
21st Jul 2026379 PMAQI
21st Jul 20263310 PMAQI
21st Jul 20264311 PMAQI
22nd Jul 20264112 AMAQI
22nd Jul 2026331 AMAQI
22nd Jul 2026462 AMAQI
22nd Jul 2026423 AMAQI
22nd Jul 2026424 AMAQI
16°C10/22°C
22nd Jul 2026255 AMAQI
22nd Jul 2026256 AMAQI
22nd Jul 2026257 AMAQI
22nd Jul 2026308 AMAQI
22nd Jul 2026289 AMAQI
22nd Jul 20262510 AMAQI
22nd Jul 20262511 AMAQI
22nd Jul 20262912 PMAQI
22nd Jul 2026221 PMAQI
22nd Jul 2026202 PMAQI
22nd Jul 2026133 PMAQI
22nd Jul 2026294 PMAQI
22nd Jul 2026215 PMAQI
22nd Jul 2026256 PMAQI
22nd Jul 2026267 PMAQI
22nd Jul 2026308 PMAQI
22nd Jul 2026399 PMAQI
22nd Jul 20263810 PMAQI
22nd Jul 20263011 PMAQI
23rd Jul 20262812 AMAQI
23rd Jul 2026231 AMAQI
23rd Jul 2026402 AMAQI
23rd Jul 2026293 AMAQI
23rd Jul 2026294 AMAQI
15°C10/19°C
23rd Jul 2026215 AMAQI
23rd Jul 2026256 AMAQI
23rd Jul 2026297 AMAQI
23rd Jul 2026258 AMAQI
23rd Jul 2026259 AMAQI
23rd Jul 20262410 AMAQI
23rd Jul 20262211 AMAQI
23rd Jul 20262112 PMAQI
23rd Jul 2026211 PMAQI
23rd Jul 2026212 PMAQI
23rd Jul 2026403 PMAQI
23rd Jul 2026364 PMAQI
23rd Jul 2026255 PMAQI
23rd Jul 2026216 PMAQI
23rd Jul 2026257 PMAQI
23rd Jul 2026268 PMAQI
23rd Jul 2026259 PMAQI
23rd Jul 20262710 PMAQI
23rd Jul 20262711 PMAQI
24th Jul 20263612 AMAQI
24th Jul 2026361 AMAQI
24th Jul 2026442 AMAQI
24th Jul 2026433 AMAQI
24th Jul 2026414 AMAQI
15°C12/20°C
24th Jul 2026255 AMAQI
24th Jul 2026216 AMAQI
24th Jul 2026267 AMAQI
24th Jul 2026338 AMAQI
24th Jul 2026259 AMAQI
24th Jul 20262310 AMAQI
24th Jul 20262411 AMAQI
24th Jul 20262412 PMAQI
24th Jul 2026291 PMAQI
24th Jul 2026252 PMAQI
24th Jul 2026333 PMAQI
24th Jul 2026364 PMAQI
24th Jul 2026235 PMAQI
24th Jul 2026406 PMAQI
24th Jul 2026287 PMAQI
24th Jul 2026258 PMAQI
24th Jul 2026219 PMAQI
24th Jul 20262910 PMAQI
24th Jul 20262611 PMAQI
25th Jul 20263012 AMAQI
25th Jul 2026211 AMAQI
25th Jul 2026202 AMAQI
25th Jul 2026203 AMAQI
25th Jul 2026304 AMAQI
17°C9/24°C
25th Jul 2026325 AMAQI
25th Jul 2026276 AMAQI
25th Jul 2026227 AMAQI
25th Jul 2026268 AMAQI
25th Jul 2026259 AMAQI
25th Jul 20261810 AMAQI
25th Jul 20263311 AMAQI
25th Jul 20263312 PMAQI
25th Jul 2026311 PMAQI
25th Jul 2026382 PMAQI
25th Jul 2026293 PMAQI
25th Jul 2026254 PMAQI
25th Jul 2026385 PMAQI
25th Jul 2026376 PMAQI
25th Jul 2026277 PMAQI
25th Jul 2026268 PMAQI
25th Jul 2026239 PMAQI
25th Jul 20262610 PMAQI
25th Jul 20263011 PMAQI
26th Jul 20263712 AMAQI
26th Jul 2026421 AMAQI
26th Jul 2026392 AMAQI
26th Jul 2026453 AMAQI
26th Jul 2026414 AMAQI
20°C13/27°C
26th Jul 2026415 AMAQI
26th Jul 2026436 AMAQI
26th Jul 2026427 AMAQI
26th Jul 2026418 AMAQI
26th Jul 2026439 AMAQI
26th Jul 20264110 AMAQI
26th Jul 20263911 AMAQI
26th Jul 20262812 PMAQI
26th Jul 2026241 PMAQI
26th Jul 2026252 PMAQI
26th Jul 2026303 PMAQI
26th Jul 2026314 PMAQI
26th Jul 2026265 PMAQI
26th Jul 2026246 PMAQI
26th Jul 2026257 PMAQI
26th Jul 2026258 PMAQI
26th Jul 2026249 PMAQI
26th Jul 20262110 PMAQI
26th Jul 20262411 PMAQI
27th Jul 20262412 AMAQI
27th Jul 2026271 AMAQI
27th Jul 2026382 AMAQI
27th Jul 2026293 AMAQI
27th Jul 2026304 AMAQI
19°C16/23°C
27th Jul 2026245 AMAQI
27th Jul 2026226 AMAQI
27th Jul 2026307 AMAQI
27th Jul 2026278 AMAQI
27th Jul 2026169 AMAQI
27th Jul 20262610 AMAQI
27th Jul 20263011 AMAQI
27th Jul 20262112 PMAQI
27th Jul 2026201 PMAQI
27th Jul 2026212 PMAQI
27th Jul 2026193 PMAQI
27th Jul 2026244 PMAQI
27th Jul 2026165 PMAQI
27th Jul 2026246 PMAQI
27th Jul 2026227 PMAQI
27th Jul 2026208 PMAQI
27th Jul 2026229 PMAQI
27th Jul 20261810 PMAQI
27th Jul 20261611 PMAQI
28th Jul 20262012 AMAQI
28th Jul 2026241 AMAQI
28th Jul 2026222 AMAQI
28th Jul 2026293 AMAQI
28th Jul 2026254 AMAQI
17°C14/21°C
28th Jul 2026275 AMAQI
28th Jul 2026246 AMAQI
28th Jul 2026277 AMAQI
28th Jul 2026268 AMAQI
28th Jul 2026349 AMAQI
28th Jul 20263910 AMAQI
28th Jul 20263311 AMAQI
28th Jul 20262312 PMAQI
28th Jul 2026241 PMAQI
28th Jul 2026292 PMAQI
28th Jul 2026223 PMAQI
28th Jul 2026184 PMAQI
28th Jul 2026255 PMAQI
28th Jul 2026276 PMAQI
28th Jul 2026247 PMAQI
28th Jul 2026258 PMAQI
28th Jul 2026349 PMAQI
28th Jul 20262910 PMAQI
28th Jul 20263811 PMAQI
29th Jul 20263912 AMAQI
29th Jul 2026281 AMAQI
29th Jul 2026332 AMAQI
29th Jul 2026403 AMAQI
29th Jul 2026334 AMAQI
19°C11/27°C
29th Jul 2026355 AMAQI
29th Jul 2026276 AMAQI
29th Jul 2026257 AMAQI
29th Jul 2026258 AMAQI
29th Jul 2026249 AMAQI
29th Jul 20262810 AMAQI
29th Jul 20262611 AMAQI
29th Jul 20262312 PMAQI
29th Jul 2026281 PMAQI
29th Jul 2026382 PMAQI
29th Jul 2026243 PMAQI
29th Jul 2026284 PMAQI
29th Jul 2026405 PMAQI
29th Jul 2026276 PMAQI
29th Jul 2026287 PMAQI
29th Jul 2026388 PMAQI
29th Jul 2026249 PMAQI
29th Jul 20262910 PMAQI
29th Jul 20264711 PMAQI
30th Jul 20265112 AMAQI
30th Jul 2026481 AMAQI
30th Jul 2026462 AMAQI
30th Jul 2026413 AMAQI
30th Jul 2026414 AMAQI
25°C18/32°C
30th Jul 2026375 AMAQI
30th Jul 2026416 AMAQI
30th Jul 2026377 AMAQI
30th Jul 2026538 AMAQI
30th Jul 2026439 AMAQI
30th Jul 20263610 AMAQI
30th Jul 20263111 AMAQI
30th Jul 20263112 PMAQI
30th Jul 2026281 PMAQI
30th Jul 2026372 PMAQI
30th Jul 2026533 PMAQI
30th Jul 2026494 PMAQI
30th Jul 2026455 PMAQI
30th Jul 2026546 PMAQI
30th Jul 2026527 PMAQI
30th Jul 2026468 PMAQI
30th Jul 2026449 PMAQI
30th Jul 20264310 PMAQI
30th Jul 20264611 PMAQI
31st Jul 20264812 AMAQI
31st Jul 2026501 AMAQI
31st Jul 2026522 AMAQI
31st Jul 2026513 AMAQI
31st Jul 2026534 AMAQI
26°C19/37°C
31st Jul 2026535 AMAQI
31st Jul 2026536 AMAQI
31st Jul 2026567 AMAQI
31st Jul 2026568 AMAQI
31st Jul 2026549 AMAQI
31st Jul 20265310 AMAQI
31st Jul 20265311 AMAQI
31st Jul 20265412 PMAQI
31st Jul 2026551 PMAQI
31st Jul 2026522 PMAQI
31st Jul 2026543 PMAQI
31st Jul 2026534 PMAQI
31st Jul 2026445 PMAQI
31st Jul 2026456 PMAQI
31st Jul 2026497 PMAQI
31st Jul 2026518 PMAQI
31st Jul 2026529 PMAQI
31st Jul 20265110 PMAQI
31st Jul 20265411 PMAQI
1st Aug 20265312 AMAQI
1st Aug 2026431 AMAQI
1st Aug 2026272 AMAQI
1st Aug 2026243 AMAQI
1st Aug 2026344 AMAQI
22°C17/29°C
1st Aug 2026215 AMAQI
1st Aug 2026176 AMAQI
1st Aug 2026177 AMAQI
1st Aug 2026208 AMAQI
1st Aug 2026249 AMAQI
1st Aug 20262110 AMAQI
1st Aug 20262011 AMAQI
1st Aug 20262012 PMAQI
1st Aug 2026221 PMAQI
1st Aug 2026202 PMAQI
1st Aug 2026213 PMAQI
1st Aug 2026154 PMAQI
1st Aug 2026115 PMAQI
1st Aug 2026156 PMAQI
1st Aug 2026247 PMAQI
1st Aug 2026258 PMAQI
1st Aug 2026259 PMAQI
1st Aug 20262410 PMAQI
1st Aug 20261911 PMAQI
2nd Aug 20263112 AMAQI
2nd Aug 2026371 AMAQI
2nd Aug 2026342 AMAQI
2nd Aug 2026343 AMAQI
2nd Aug 2026304 AMAQI
18°C13/24°C
2nd Aug 2026265 AMAQI
2nd Aug 2026246 AMAQI
2nd Aug 2026317 AMAQI
2nd Aug 2026278 AMAQI
2nd Aug 2026269 AMAQI
2nd Aug 20262310 AMAQI
2nd Aug 20262411 AMAQI
2nd Aug 20261412 PMAQI
2nd Aug 2026211 PMAQI
2nd Aug 2026192 PMAQI
2nd Aug 2026173 PMAQI
2nd Aug 2026144 PMAQI
2nd Aug 2026165 PMAQI
2nd Aug 2026196 PMAQI
2nd Aug 2026197 PMAQI
2nd Aug 2026198 PMAQI
2nd Aug 2026199 PMAQI
2nd Aug 20263810 PMAQI
2nd Aug 20263811 PMAQI
3rd Aug 20264812 AMAQI
3rd Aug 2026271 AMAQI
3rd Aug 2026272 AMAQI
3rd Aug 2026323 AMAQI
3rd Aug 2026314 AMAQI
20°C13/26°C
3rd Aug 2026355 AMAQI
3rd Aug 2026376 AMAQI
3rd Aug 2026357 AMAQI
3rd Aug 2026408 AMAQI
3rd Aug 2026369 AMAQI
3rd Aug 20263310 AMAQI
3rd Aug 20262711 AMAQI
3rd Aug 20263612 PMAQI
3rd Aug 2026461 PMAQI
3rd Aug 2026482 PMAQI
3rd Aug 2026323 PMAQI
3rd Aug 2026284 PMAQI
3rd Aug 2026465 PMAQI
3rd Aug 2026376 PMAQI
3rd Aug 2026427 PMAQI
3rd Aug 2026328 PMAQI
3rd Aug 2026279 PMAQI
3rd Aug 20265210 PMAQI
3rd Aug 20265711 PMAQI
4th Aug 20265012 AMAQI
4th Aug 2026501 AMAQI
4th Aug 2026282 AMAQI
4th Aug 2026283 AMAQI
4th Aug 2026424 AMAQI
24°C16/31°C
4th Aug 2026305 AMAQI
5 AM4th Aug 2026246 AMAQI
4th Aug 2026247 AMAQI
4th Aug 2026238 AMAQI
4th Aug 2026249 AMAQI
4th Aug 20262210 AMAQI
4th Aug 20262311 AMAQI
4th Aug 20262212 PMAQI
4th Aug 2026211 PMAQI
1 PM4th Aug 2026222 PMAQI
4th Aug 2026213 PMAQI
4th Aug 2026224 PMAQI
4th Aug 2026235 PMAQI
4th Aug 2026256 PMAQI
4th Aug 2026237 PMAQI
4th Aug 2026218 PMAQI
4th Aug 2026219 PMAQI
9 PM4th Aug 20262310 PMAQI
4th Aug 20262411 PMAQI
1 AM
4 AM
26°C20/33°C
Day time
Avg. Highest Time
8 AM
31AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
2 PM - 3 PM
26AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 8 AM (Avg. 31), while the lowest AQI was between 2 PM to 3 PM (Avg. 26).
Night time
Avg. Highest Time
4 AM
31AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
10 PM
27AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 4 AM (Avg. 31), while the lowest AQI was between 10 PM to 10 PM (Avg. 27).
2026 Days Vs Air Quality
Bielefeld, North Rhine Westphalia, Germany
2026
77%
164
19%
40
4%
9
Total number of days with different AQI categories in last 216 days in 2026 (149 days remaining)
Good
164 DaysModerate
40 DaysPoor
9 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 77%
Health Risk Level:
Low
In 2026, 77% of 216 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
Bielefeld, 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
48AQI (US)
48AQI (US)
2nd January 2026
11AQI (US)
11AQI (US)
3rd January 2026
20AQI (US)
20AQI (US)
4th January 2026
22AQI (US)
22AQI (US)
5th January 2026
39AQI (US)
39AQI (US)
6th January 2026
62AQI (US)
62AQI (US)
7th January 2026
34AQI (US)
34AQI (US)
8th January 2026
37AQI (US)
37AQI (US)
9th January 2026
25AQI (US)
25AQI (US)
10th January 2026
41AQI (US)
41AQI (US)
11th January 2026
58AQI (US)
58AQI (US)
12th January 2026
41AQI (US)
41AQI (US)
13th January 2026
30AQI (US)
30AQI (US)
14th January 2026
21AQI (US)
21AQI (US)
15th January 2026
31AQI (US)
31AQI (US)
16th January 2026
20AQI (US)
20AQI (US)
17th January 2026
41AQI (US)
41AQI (US)
18th January 2026
60AQI (US)
60AQI (US)
19th January 2026
62AQI (US)
62AQI (US)
20th January 2026
76AQI (US)
76AQI (US)
21st January 2026
70AQI (US)
70AQI (US)
22nd January 2026
97AQI (US)
97AQI (US)
23rd January 2026
107AQI (US)
107AQI (US)
24th January 2026
139AQI (US)
139AQI (US)
25th January 2026
127AQI (US)
127AQI (US)
26th January 2026
81AQI (US)
81AQI (US)
27th January 2026
44AQI (US)
44AQI (US)
28th January 2026
60AQI (US)
60AQI (US)
29th January 2026
84AQI (US)
84AQI (US)
30th January 2026
87AQI (US)
87AQI (US)
31st January 2026
86AQI (US)
86AQI (US)
1st February 2026
108AQI (US)
108AQI (US)
2nd February 2026
105AQI (US)
105AQI (US)
3rd February 2026
107AQI (US)
107AQI (US)
4th February 2026
102AQI (US)
102AQI (US)
5th February 2026
102AQI (US)
102AQI (US)
6th February 2026
65AQI (US)
65AQI (US)
7th February 2026
77AQI (US)
77AQI (US)
8th February 2026
30AQI (US)
30AQI (US)
9th February 2026
35AQI (US)
35AQI (US)
10th February 2026
62AQI (US)
62AQI (US)
11th February 2026
36AQI (US)
36AQI (US)
12th February 2026
21AQI (US)
21AQI (US)
13th February 2026
40AQI (US)
40AQI (US)
14th February 2026
72AQI (US)
72AQI (US)
15th February 2026
42AQI (US)
42AQI (US)
16th February 2026
23AQI (US)
23AQI (US)
17th February 2026
31AQI (US)
31AQI (US)
18th February 2026
71AQI (US)
71AQI (US)
19th February 2026
47AQI (US)
47AQI (US)
20th February 2026
59AQI (US)
59AQI (US)
21st February 2026
28AQI (US)
28AQI (US)
22nd February 2026
20AQI (US)
20AQI (US)
23rd February 2026
24AQI (US)
24AQI (US)
24th February 2026
39AQI (US)
39AQI (US)
25th February 2026
34AQI (US)
34AQI (US)
26th February 2026
38AQI (US)
38AQI (US)
27th February 2026
42AQI (US)
42AQI (US)
28th February 2026
23AQI (US)
23AQI (US)
1st March 2026
12AQI (US)
12AQI (US)
2nd March 2026
28AQI (US)
28AQI (US)
3rd March 2026
60AQI (US)
60AQI (US)
4th March 2026
79AQI (US)
79AQI (US)
5th March 2026
78AQI (US)
78AQI (US)
6th March 2026
69AQI (US)
69AQI (US)
7th March 2026
82AQI (US)
82AQI (US)
8th March 2026
101AQI (US)
101AQI (US)
9th March 2026
88AQI (US)
88AQI (US)
10th March 2026
83AQI (US)
83AQI (US)
11th March 2026
16AQI (US)
16AQI (US)
12th March 2026
28AQI (US)
28AQI (US)
13th March 2026
12AQI (US)
12AQI (US)
14th March 2026
14AQI (US)
14AQI (US)
15th March 2026
46AQI (US)
46AQI (US)
16th March 2026
13AQI (US)
13AQI (US)
17th March 2026
24AQI (US)
24AQI (US)
18th March 2026
43AQI (US)
43AQI (US)
19th March 2026
78AQI (US)
78AQI (US)
20th March 2026
71AQI (US)
71AQI (US)
21st March 2026
44AQI (US)
44AQI (US)
22nd March 2026
73AQI (US)
73AQI (US)
23rd March 2026
71AQI (US)
71AQI (US)
24th March 2026
76AQI (US)
76AQI (US)
25th March 2026
32AQI (US)
32AQI (US)
26th March 2026
13AQI (US)
13AQI (US)
27th March 2026
28AQI (US)
28AQI (US)
28th March 2026
15AQI (US)
15AQI (US)
29th March 2026
21AQI (US)
21AQI (US)
30th March 2026
18AQI (US)
18AQI (US)
31st March 2026
25AQI (US)
25AQI (US)
1st April 2026
21AQI (US)
21AQI (US)
2nd April 2026
33AQI (US)
33AQI (US)
3rd April 2026
21AQI (US)
21AQI (US)
4th April 2026
18AQI (US)
18AQI (US)
5th April 2026
22AQI (US)
22AQI (US)
6th April 2026
24AQI (US)
24AQI (US)
7th April 2026
28AQI (US)
28AQI (US)
8th April 2026
12AQI (US)
12AQI (US)
9th April 2026
19AQI (US)
19AQI (US)
10th April 2026
22AQI (US)
22AQI (US)
11th April 2026
30AQI (US)
30AQI (US)
12th April 2026
16AQI (US)
16AQI (US)
13th April 2026
34AQI (US)
34AQI (US)
14th April 2026
61AQI (US)
61AQI (US)
15th April 2026
57AQI (US)
57AQI (US)
16th April 2026
37AQI (US)
37AQI (US)
17th April 2026
18th April 2026
46AQI (US)
46AQI (US)
19th April 2026
18AQI (US)
18AQI (US)
20th April 2026
18AQI (US)
18AQI (US)
21st April 2026
38AQI (US)
38AQI (US)
22nd April 2026
23rd April 2026
25AQI (US)
25AQI (US)
24th April 2026
31AQI (US)
31AQI (US)
25th April 2026
48AQI (US)
48AQI (US)
26th April 2026
22AQI (US)
22AQI (US)
27th April 2026
21AQI (US)
21AQI (US)
28th April 2026
11AQI (US)
11AQI (US)
29th April 2026
16AQI (US)
16AQI (US)
30th April 2026
21AQI (US)
21AQI (US)
1st May 2026
12AQI (US)
12AQI (US)
2nd May 2026
16AQI (US)
16AQI (US)
3rd May 2026
33AQI (US)
33AQI (US)
4th May 2026
31AQI (US)
31AQI (US)
5th May 2026
56AQI (US)
56AQI (US)
6th May 2026
23AQI (US)
23AQI (US)
7th May 2026
41AQI (US)
41AQI (US)
8th May 2026
22AQI (US)
22AQI (US)
9th May 2026
10th May 2026
55AQI (US)
55AQI (US)
11th May 2026
13AQI (US)
13AQI (US)
12th May 2026
12AQI (US)
12AQI (US)
13th May 2026
18AQI (US)
18AQI (US)
14th May 2026
27AQI (US)
27AQI (US)
15th May 2026
22AQI (US)
22AQI (US)
16th May 2026
36AQI (US)
36AQI (US)
17th May 2026
37AQI (US)
37AQI (US)
18th May 2026
33AQI (US)
33AQI (US)
19th May 2026
31AQI (US)
31AQI (US)
20th May 2026
31AQI (US)
31AQI (US)
21st May 2026
33AQI (US)
33AQI (US)
22nd May 2026
33AQI (US)
33AQI (US)
23rd May 2026
37AQI (US)
37AQI (US)
24th May 2026
51AQI (US)
51AQI (US)
25th May 2026
41AQI (US)
41AQI (US)
26th May 2026
32AQI (US)
32AQI (US)
27th May 2026
28AQI (US)
28AQI (US)
28th May 2026
15AQI (US)
15AQI (US)
29th May 2026
21AQI (US)
21AQI (US)
30th May 2026
18AQI (US)
18AQI (US)
31st May 2026
38AQI (US)
38AQI (US)
1st June 2026
31AQI (US)
31AQI (US)
2nd June 2026
17AQI (US)
17AQI (US)
3rd June 2026
15AQI (US)
15AQI (US)
4th June 2026
15AQI (US)
15AQI (US)
5th June 2026
17AQI (US)
17AQI (US)
6th June 2026
20AQI (US)
20AQI (US)
7th June 2026
20AQI (US)
20AQI (US)
8th June 2026
20AQI (US)
20AQI (US)
9th June 2026
18AQI (US)
18AQI (US)
10th June 2026
20AQI (US)
20AQI (US)
11th June 2026
19AQI (US)
19AQI (US)
12th June 2026
22AQI (US)
22AQI (US)
13th June 2026
27AQI (US)
27AQI (US)
14th June 2026
14AQI (US)
14AQI (US)
15th June 2026
14AQI (US)
14AQI (US)
16th June 2026
37AQI (US)
37AQI (US)
17th June 2026
64AQI (US)
64AQI (US)
18th June 2026
16AQI (US)
16AQI (US)
19th June 2026
25AQI (US)
25AQI (US)
20th June 2026
23AQI (US)
23AQI (US)
21st June 2026
29AQI (US)
29AQI (US)
22nd June 2026
20AQI (US)
20AQI (US)
23rd June 2026
22AQI (US)
22AQI (US)
24th June 2026
40AQI (US)
40AQI (US)
25th June 2026
55AQI (US)
55AQI (US)
26th June 2026
53AQI (US)
53AQI (US)
27th June 2026
74AQI (US)
74AQI (US)
28th June 2026
38AQI (US)
38AQI (US)
29th June 2026
18AQI (US)
18AQI (US)
30th June 2026
17AQI (US)
17AQI (US)
1st July 2026
19AQI (US)
19AQI (US)
2nd July 2026
12AQI (US)
12AQI (US)
3rd July 2026
24AQI (US)
24AQI (US)
4th July 2026
16AQI (US)
16AQI (US)
5th July 2026
12AQI (US)
12AQI (US)
6th July 2026
14AQI (US)
14AQI (US)
7th July 2026
17AQI (US)
17AQI (US)
8th July 2026
12AQI (US)
12AQI (US)
9th July 2026
12AQI (US)
12AQI (US)
10th July 2026
22AQI (US)
22AQI (US)
11th July 2026
23AQI (US)
23AQI (US)
12th July 2026
16AQI (US)
16AQI (US)
13th July 2026
22AQI (US)
22AQI (US)
14th July 2026
26AQI (US)
26AQI (US)
15th July 2026
24AQI (US)
24AQI (US)
16th July 2026
40AQI (US)
40AQI (US)
17th July 2026
46AQI (US)
46AQI (US)
18th July 2026
46AQI (US)
46AQI (US)
19th July 2026
19AQI (US)
19AQI (US)
20th July 2026
27AQI (US)
27AQI (US)
21st July 2026
29AQI (US)
29AQI (US)
22nd July 2026
29AQI (US)
29AQI (US)
23rd July 2026
27AQI (US)
27AQI (US)
24th July 2026
30AQI (US)
30AQI (US)
25th July 2026
28AQI (US)
28AQI (US)
26th July 2026
33AQI (US)
33AQI (US)
27th July 2026
24AQI (US)
24AQI (US)
28th July 2026
27AQI (US)
27AQI (US)
29th July 2026
31AQI (US)
31AQI (US)
30th July 2026
43AQI (US)
43AQI (US)
31st July 2026
52AQI (US)
52AQI (US)
1st August 2026
24AQI (US)
24AQI (US)
2nd August 2026
25AQI (US)
25AQI (US)
3rd August 2026
37AQI (US)
37AQI (US)
4th August 2026
27AQI (US)
27AQI (US)
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
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
57AQI (US)
53AQI (US)
46AQI (US)
28AQI (US)
30AQI (US)
27AQI (US)
26AQI (US)
28AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202638AQI (US)
16
12
3
17
6
5
18
12
1
26
2
27
3
26
4
30
1
4
164
40
9
Highest AQI (US) recorded in
January57AQI (US)
Lowest AQI (US) recorded in
July26AQI (US)
202540AQI (US)
24
7
6
18
4
9
20
2
21
9
31
29
1
31
27
4
28
2
22
9
23
7
14
17
265
94
6
Highest AQI (US) recorded in
February69AQI (US)
Lowest AQI (US) recorded in
September25AQI (US)
202436AQI (US)
23
8
28
1
15
16
30
29
2
28
2
31
27
4
20
10
31
24
6
26
5
312
54
Highest AQI (US) recorded in
March52AQI (US)
Lowest AQI (US) recorded in
July29AQI (US)
202336AQI (US)
24
7
7
18
3
29
2
22
8
28
3
25
5
31
30
1
27
3
30
1
29
27
4
309
52
3
Highest AQI (US) recorded in
February68AQI (US)
Lowest AQI (US) recorded in
November26AQI (US)
202235AQI (US)
29
2
22
22
9
30
31
30
23
1
1
27
1
28
3
21
9
15
16
279
41
Highest AQI (US) recorded in
December54AQI (US)
Lowest AQI (US) recorded in
August22AQI (US)
202127AQI (US)
29
28
31
30
31
29
1
31
31
30
31
30
29
2
360
3
Highest AQI (US) recorded in
June37AQI (US)
Lowest AQI (US) recorded in
January14AQI (US)
202020AQI (US)
13
17
18
30
31
31
30
31
30
31
262
Highest AQI (US) recorded in
March28AQI (US)
Lowest AQI (US) recorded in
December15AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
40AQI (US)Least Polluted Year Recorded
2020(Avg.)
20AQI (US)Bielefeld's annual 2026 AQI (US) (38) shows an average percentage change of 24.2% (worsened AQI (US)) compared to previous years: 2020 (20), 2021 (27), 2022 (35), 2023 (36), 2024 (36), 2025 (40).
