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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Bologna, Emilia Romagna, Italy 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

Bologna, Emilia Romagna, Italy

2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
24th Sep 2024
70AQI
Lowest AQI recorded on
25th Sep 2025
17AQI

Same Day Analysis (29th September):
On this day, AQI across the 3 years varied significantly: 2026 ranks 1st highest AQI at 65 of Moderate air quality on the same day.

Day & Night AQI Trend: 28th Sep - 29th Sep 2026

Bologna, Emilia Romagna, Italy

AQI
Day
Night
.

6 AM28th Sep 2026

7 PM

5 AM29th Sep 2026

Day time
Avg. Highest Time
8AM28th Sep

63AQI

Avg. Lowest Time
5PM28th Sep

16AQI

Night time
Avg. Highest Time
5AM29th Sep

74AQI

Avg. Lowest Time
8PM28th Sep

23AQI

In the last 24 hours,

Bologna's AQI reached its highest point of 74 at 5 AM during the Night, while the lowest point, 16, was recorded at 5 PM during the Day between 28th Sep and 29th Sep 2026.

Day & Night AQI Trend : Aug - Sep 2026

Bologna, Emilia Romagna, Italy

AugSep
31st - 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 - 29th29th
Day
Night
31st Aug 2026476 AMAQI
31st Aug 2026407 AMAQI
31st Aug 2026528 AMAQI
31st Aug 2026469 AMAQI
31st Aug 20264410 AMAQI
31st Aug 20264311 AMAQI
31st Aug 20264312 PMAQI
31st Aug 2026211 PMAQI
31st Aug 2026402 PMAQI
31st Aug 2026373 PMAQI
31st Aug 2026254 PMAQI
31st Aug 2026465 PMAQI
31st Aug 2026316 PMAQI
31st Aug 2026327 PMAQI
31st Aug 2026408 PMAQI
31st Aug 2026429 PMAQI
31st Aug 20264710 PMAQI
31st Aug 20264711 PMAQI
1st Sep 20264212 AMAQI
1st Sep 2026441 AMAQI
1st Sep 2026502 AMAQI
1st Sep 2026403 AMAQI
1st Sep 2026514 AMAQI
1st Sep 2026285 AMAQI

27°C21/34°C

1st Sep 2026416 AMAQI
1st Sep 2026447 AMAQI
1st Sep 2026428 AMAQI
1st Sep 2026389 AMAQI
1st Sep 20264010 AMAQI
1st Sep 20263411 AMAQI
1st Sep 20263312 PMAQI
1st Sep 2026321 PMAQI
1st Sep 2026272 PMAQI
1st Sep 2026323 PMAQI
1st Sep 2026384 PMAQI
1st Sep 2026435 PMAQI
1st Sep 2026436 PMAQI
1st Sep 2026427 PMAQI
1st Sep 2026498 PMAQI
1st Sep 2026479 PMAQI
1st Sep 20263610 PMAQI
1st Sep 20263711 PMAQI
2nd Sep 20264012 AMAQI
2nd Sep 2026431 AMAQI
2nd Sep 2026352 AMAQI
2nd Sep 2026423 AMAQI
2nd Sep 2026424 AMAQI
2nd Sep 2026555 AMAQI

26°C21/33°C

2nd Sep 2026436 AMAQI
2nd Sep 2026547 AMAQI
2nd Sep 2026588 AMAQI
2nd Sep 2026549 AMAQI
2nd Sep 20263810 AMAQI
2nd Sep 20262211 AMAQI
2nd Sep 20262012 PMAQI
2nd Sep 2026211 PMAQI
2nd Sep 2026152 PMAQI
2nd Sep 2026223 PMAQI
2nd Sep 2026234 PMAQI
2nd Sep 2026175 PMAQI
2nd Sep 2026166 PMAQI
2nd Sep 2026177 PMAQI
2nd Sep 2026178 PMAQI
2nd Sep 2026169 PMAQI
2nd Sep 20262310 PMAQI
2nd Sep 20262511 PMAQI
3rd Sep 20262612 AMAQI
3rd Sep 2026251 AMAQI
3rd Sep 2026232 AMAQI
3rd Sep 2026233 AMAQI
3rd Sep 2026264 AMAQI
3rd Sep 2026255 AMAQI

26°C21/33°C

3rd Sep 2026226 AMAQI
3rd Sep 2026277 AMAQI
3rd Sep 2026298 AMAQI
3rd Sep 2026329 AMAQI
3rd Sep 20262410 AMAQI
3rd Sep 20264711 AMAQI
3rd Sep 20264812 PMAQI
3rd Sep 2026311 PMAQI
3rd Sep 2026252 PMAQI
3rd Sep 2026233 PMAQI
3rd Sep 2026274 PMAQI
3rd Sep 2026205 PMAQI
3rd Sep 2026246 PMAQI
3rd Sep 2026237 PMAQI
3rd Sep 2026278 PMAQI
3rd Sep 2026359 PMAQI
3rd Sep 20265110 PMAQI
3rd Sep 20264911 PMAQI
4th Sep 20264912 AMAQI
4th Sep 2026291 AMAQI
4th Sep 2026392 AMAQI
4th Sep 2026273 AMAQI
4th Sep 2026364 AMAQI
4th Sep 2026405 AMAQI

27°C22/34°C

4th Sep 2026476 AMAQI
4th Sep 2026537 AMAQI
4th Sep 2026568 AMAQI
4th Sep 2026559 AMAQI
4th Sep 20265710 AMAQI
4th Sep 20263211 AMAQI
4th Sep 20263412 PMAQI
4th Sep 2026421 PMAQI
4th Sep 2026452 PMAQI
4th Sep 2026323 PMAQI
4th Sep 2026264 PMAQI
4th Sep 2026245 PMAQI
4th Sep 2026296 PMAQI
4th Sep 2026317 PMAQI
4th Sep 2026328 PMAQI
4th Sep 2026239 PMAQI
4th Sep 20262610 PMAQI
4th Sep 20263711 PMAQI
5th Sep 20263412 AMAQI
5th Sep 2026331 AMAQI
5th Sep 2026322 AMAQI
5th Sep 2026313 AMAQI
5th Sep 2026294 AMAQI
5th Sep 2026305 AMAQI

28°C23/34°C

5th Sep 2026266 AMAQI
5th Sep 2026297 AMAQI
5th Sep 2026338 AMAQI
5th Sep 2026389 AMAQI
5th Sep 20263110 AMAQI
5th Sep 20262611 AMAQI
5th Sep 20262112 PMAQI
5th Sep 2026181 PMAQI
5th Sep 2026202 PMAQI
5th Sep 2026213 PMAQI
5th Sep 2026264 PMAQI
5th Sep 2026245 PMAQI
5th Sep 2026236 PMAQI
5th Sep 2026247 PMAQI
5th Sep 2026358 PMAQI
5th Sep 2026379 PMAQI
5th Sep 20265510 PMAQI
5th Sep 20265111 PMAQI
6th Sep 20265612 AMAQI
6th Sep 2026571 AMAQI
6th Sep 2026612 AMAQI
6th Sep 2026563 AMAQI
6th Sep 2026524 AMAQI
6th Sep 2026395 AMAQI

27°C22/32°C

6th Sep 2026246 AMAQI
6th Sep 2026397 AMAQI
6th Sep 2026288 AMAQI
6th Sep 2026249 AMAQI
6th Sep 20263510 AMAQI
6th Sep 20263511 AMAQI
6th Sep 20263112 PMAQI
6th Sep 2026171 PMAQI
6th Sep 2026202 PMAQI
6th Sep 2026363 PMAQI
6th Sep 2026324 PMAQI
6th Sep 2026425 PMAQI
6th Sep 2026386 PMAQI
6th Sep 2026327 PMAQI
6th Sep 2026358 PMAQI
6th Sep 2026479 PMAQI
6th Sep 20263010 PMAQI
6th Sep 20264011 PMAQI
7th Sep 20263312 AMAQI
7th Sep 2026321 AMAQI
7th Sep 2026262 AMAQI
7th Sep 2026253 AMAQI
7th Sep 2026404 AMAQI
7th Sep 2026415 AMAQI

27°C22/34°C

7th Sep 2026426 AMAQI
7th Sep 2026457 AMAQI
7th Sep 2026558 AMAQI
7th Sep 2026579 AMAQI
7th Sep 20264910 AMAQI
7th Sep 20264911 AMAQI
7th Sep 20265312 PMAQI
7th Sep 2026491 PMAQI
7th Sep 2026402 PMAQI
7th Sep 2026493 PMAQI
7th Sep 2026494 PMAQI
7th Sep 2026365 PMAQI
7th Sep 2026376 PMAQI
7th Sep 2026397 PMAQI
7th Sep 2026368 PMAQI
7th Sep 2026409 PMAQI
7th Sep 20264110 PMAQI
7th Sep 20265211 PMAQI
8th Sep 20264912 AMAQI
8th Sep 2026481 AMAQI
8th Sep 2026532 AMAQI
8th Sep 2026513 AMAQI
8th Sep 2026514 AMAQI
8th Sep 2026445 AMAQI

28°C22/36°C

8th Sep 2026516 AMAQI
8th Sep 2026407 AMAQI
8th Sep 2026478 AMAQI
8th Sep 2026509 AMAQI
8th Sep 20264110 AMAQI
8th Sep 20263811 AMAQI
8th Sep 20263812 PMAQI
8th Sep 2026481 PMAQI
8th Sep 2026292 PMAQI
8th Sep 2026323 PMAQI
8th Sep 2026544 PMAQI
8th Sep 2026435 PMAQI
8th Sep 2026406 PMAQI
8th Sep 2026427 PMAQI
8th Sep 2026428 PMAQI
8th Sep 2026549 PMAQI
8th Sep 20265210 PMAQI
8th Sep 20265411 PMAQI
9th Sep 20265112 AMAQI
9th Sep 2026551 AMAQI
9th Sep 2026422 AMAQI
9th Sep 2026443 AMAQI
9th Sep 2026414 AMAQI
9th Sep 2026335 AMAQI

25°C21/32°C

9th Sep 2026456 AMAQI
9th Sep 2026487 AMAQI
9th Sep 2026238 AMAQI
9th Sep 2026299 AMAQI
9th Sep 20264210 AMAQI
9th Sep 20265311 AMAQI
9th Sep 20264712 PMAQI
9th Sep 2026281 PMAQI
9th Sep 2026552 PMAQI
9th Sep 2026343 PMAQI
9th Sep 2026594 PMAQI
9th Sep 2026225 PMAQI
9th Sep 2026216 PMAQI
9th Sep 2026197 PMAQI
9th Sep 2026278 PMAQI
9th Sep 2026259 PMAQI
9th Sep 20262610 PMAQI
9th Sep 20264011 PMAQI
10th Sep 20262512 AMAQI
10th Sep 2026391 AMAQI
10th Sep 2026532 AMAQI
10th Sep 2026493 AMAQI
10th Sep 2026564 AMAQI
10th Sep 2026545 AMAQI

24°C20/31°C

10th Sep 2026696 AMAQI
10th Sep 2026387 AMAQI
10th Sep 2026318 AMAQI
10th Sep 2026249 AMAQI
10th Sep 20263110 AMAQI
10th Sep 20265011 AMAQI
10th Sep 20265812 PMAQI
10th Sep 2026681 PMAQI
10th Sep 2026692 PMAQI
10th Sep 2026823 PMAQI
10th Sep 2026844 PMAQI
10th Sep 2026745 PMAQI
10th Sep 2026676 PMAQI
10th Sep 2026527 PMAQI
10th Sep 2026678 PMAQI
10th Sep 2026459 PMAQI
10th Sep 20263710 PMAQI
10th Sep 20262011 PMAQI
11th Sep 20262412 AMAQI
11th Sep 2026201 AMAQI
11th Sep 2026212 AMAQI
11th Sep 2026223 AMAQI
11th Sep 2026274 AMAQI
11th Sep 2026495 AMAQI

20°C17/24°C

11th Sep 2026256 AMAQI
11th Sep 2026457 AMAQI
11th Sep 2026488 AMAQI
11th Sep 2026619 AMAQI
11th Sep 20265210 AMAQI
11th Sep 20262511 AMAQI
11th Sep 20263012 PMAQI
11th Sep 2026261 PMAQI
11th Sep 2026152 PMAQI
11th Sep 2026243 PMAQI
11th Sep 2026724 PMAQI
11th Sep 2026235 PMAQI
11th Sep 2026356 PMAQI
11th Sep 2026657 PMAQI
11th Sep 2026348 PMAQI
11th Sep 2026309 PMAQI
11th Sep 20263210 PMAQI
11th Sep 20263711 PMAQI
12th Sep 20262812 AMAQI
12th Sep 2026271 AMAQI
12th Sep 2026262 AMAQI
12th Sep 2026253 AMAQI
12th Sep 2026294 AMAQI
12th Sep 2026325 AMAQI

20°C16/25°C

12th Sep 2026326 AMAQI
12th Sep 2026277 AMAQI
12th Sep 2026238 AMAQI
12th Sep 2026469 AMAQI
12th Sep 20262610 AMAQI
12th Sep 20262911 AMAQI
12th Sep 20262912 PMAQI
12th Sep 2026211 PMAQI
12th Sep 2026172 PMAQI
12th Sep 2026163 PMAQI
12th Sep 2026184 PMAQI
12th Sep 2026305 PMAQI
12th Sep 2026406 PMAQI
12th Sep 2026427 PMAQI
12th Sep 2026328 PMAQI
12th Sep 2026269 PMAQI
12th Sep 20266011 PMAQI
13th Sep 20267212 AMAQI
13th Sep 2026331 AMAQI
13th Sep 2026272 AMAQI
13th Sep 2026303 AMAQI
13th Sep 2026364 AMAQI
13th Sep 2026405 AMAQI

20°C17/25°C

13th Sep 2026386 AMAQI
13th Sep 2026297 AMAQI
13th Sep 2026308 AMAQI
13th Sep 2026299 AMAQI
13th Sep 20263810 AMAQI
13th Sep 20263011 AMAQI
13th Sep 20262812 PMAQI
13th Sep 2026251 PMAQI
13th Sep 2026262 PMAQI
13th Sep 2026543 PMAQI
13th Sep 2026364 PMAQI
13th Sep 2026205 PMAQI
13th Sep 2026276 PMAQI
13th Sep 2026277 PMAQI
13th Sep 2026378 PMAQI
13th Sep 2026219 PMAQI
13th Sep 20262110 PMAQI
13th Sep 20262711 PMAQI
14th Sep 20263012 AMAQI
14th Sep 2026221 AMAQI
14th Sep 2026202 AMAQI
14th Sep 2026193 AMAQI
14th Sep 2026204 AMAQI
14th Sep 2026255 AMAQI

22°C17/27°C

14th Sep 2026256 AMAQI
14th Sep 2026307 AMAQI
14th Sep 2026358 AMAQI
14th Sep 2026489 AMAQI
14th Sep 20265610 AMAQI
14th Sep 20265111 AMAQI
14th Sep 20262912 PMAQI
14th Sep 2026231 PMAQI
14th Sep 2026302 PMAQI
14th Sep 2026243 PMAQI
14th Sep 2026234 PMAQI
14th Sep 2026255 PMAQI
14th Sep 2026326 PMAQI
14th Sep 2026277 PMAQI
14th Sep 2026288 PMAQI
14th Sep 2026339 PMAQI
14th Sep 20263810 PMAQI
14th Sep 20263411 PMAQI
15th Sep 20263612 AMAQI
15th Sep 2026341 AMAQI
15th Sep 2026392 AMAQI
15th Sep 2026503 AMAQI
15th Sep 2026574 AMAQI
15th Sep 2026525 AMAQI

23°C19/28°C

15th Sep 2026516 AMAQI
15th Sep 2026547 AMAQI
15th Sep 2026618 AMAQI
15th Sep 2026539 AMAQI
15th Sep 20265610 AMAQI
15th Sep 20263411 AMAQI
15th Sep 20262312 PMAQI
15th Sep 2026161 PMAQI
15th Sep 2026192 PMAQI
15th Sep 2026233 PMAQI
15th Sep 2026214 PMAQI
15th Sep 2026445 PMAQI
15th Sep 2026176 PMAQI
15th Sep 2026167 PMAQI
15th Sep 2026188 PMAQI
15th Sep 2026179 PMAQI
15th Sep 20261610 PMAQI
15th Sep 20261611 PMAQI
16th Sep 20261712 AMAQI
16th Sep 2026241 AMAQI
16th Sep 2026272 AMAQI
16th Sep 2026283 AMAQI
16th Sep 2026384 AMAQI
16th Sep 2026435 AMAQI

22°C18/28°C

16th Sep 2026506 AMAQI
16th Sep 2026587 AMAQI
16th Sep 2026658 AMAQI
16th Sep 2026739 AMAQI
16th Sep 20266510 AMAQI
16th Sep 20266311 AMAQI
16th Sep 20267012 PMAQI
16th Sep 2026611 PMAQI
16th Sep 2026472 PMAQI
16th Sep 2026213 PMAQI
16th Sep 2026294 PMAQI
16th Sep 2026465 PMAQI
16th Sep 2026196 PMAQI
16th Sep 2026207 PMAQI
16th Sep 2026178 PMAQI
16th Sep 2026199 PMAQI
16th Sep 20262210 PMAQI
16th Sep 20262411 PMAQI
17th Sep 20262412 AMAQI
17th Sep 2026361 AMAQI
17th Sep 2026362 AMAQI
17th Sep 2026343 AMAQI
17th Sep 2026414 AMAQI
17th Sep 2026465 AMAQI

23°C19/29°C

17th Sep 2026486 AMAQI
17th Sep 2026517 AMAQI
17th Sep 2026498 AMAQI
17th Sep 2026559 AMAQI
17th Sep 20266210 AMAQI
17th Sep 20262211 AMAQI
17th Sep 20262212 PMAQI
17th Sep 2026221 PMAQI
17th Sep 2026412 PMAQI
17th Sep 2026413 PMAQI
17th Sep 2026274 PMAQI
17th Sep 2026125 PMAQI
17th Sep 2026216 PMAQI
17th Sep 2026217 PMAQI
17th Sep 2026378 PMAQI
17th Sep 2026499 PMAQI
17th Sep 20264610 PMAQI
17th Sep 20264111 PMAQI
18th Sep 20263212 AMAQI
18th Sep 2026221 AMAQI
18th Sep 2026212 AMAQI
18th Sep 2026253 AMAQI
18th Sep 2026404 AMAQI
18th Sep 2026475 AMAQI

20°C19/23°C

18th Sep 2026546 AMAQI
18th Sep 2026567 AMAQI
18th Sep 2026578 AMAQI
18th Sep 2026559 AMAQI
18th Sep 20266710 AMAQI
18th Sep 20266311 AMAQI
18th Sep 20266012 PMAQI
18th Sep 2026561 PMAQI
18th Sep 2026242 PMAQI
18th Sep 2026173 PMAQI
18th Sep 2026184 PMAQI
18th Sep 2026165 PMAQI
18th Sep 2026186 PMAQI
18th Sep 2026127 PMAQI
18th Sep 2026158 PMAQI
18th Sep 2026199 PMAQI
18th Sep 20261910 PMAQI
18th Sep 20262211 PMAQI
19th Sep 20262212 AMAQI
19th Sep 2026231 AMAQI
19th Sep 2026312 AMAQI
19th Sep 2026453 AMAQI
19th Sep 2026544 AMAQI
19th Sep 2026625 AMAQI

21°C17/26°C

19th Sep 2026656 AMAQI
19th Sep 2026667 AMAQI
19th Sep 2026598 AMAQI
19th Sep 2026529 AMAQI
19th Sep 20266010 AMAQI
19th Sep 20263811 AMAQI
19th Sep 20264012 PMAQI
19th Sep 2026211 PMAQI
19th Sep 2026242 PMAQI
19th Sep 2026243 PMAQI
19th Sep 2026174 PMAQI
19th Sep 2026165 PMAQI
19th Sep 2026156 PMAQI
19th Sep 2026167 PMAQI
19th Sep 2026288 PMAQI
19th Sep 2026339 PMAQI
19th Sep 20263110 PMAQI
19th Sep 20264111 PMAQI
20th Sep 20264712 AMAQI
20th Sep 2026371 AMAQI
20th Sep 2026432 AMAQI
20th Sep 2026313 AMAQI
20th Sep 2026314 AMAQI
20th Sep 2026385 AMAQI

21°C17/26°C

20th Sep 2026526 AMAQI
20th Sep 2026517 AMAQI
20th Sep 2026548 AMAQI
20th Sep 2026489 AMAQI
20th Sep 20263310 AMAQI
20th Sep 20264811 AMAQI
20th Sep 20262912 PMAQI
20th Sep 2026291 PMAQI
20th Sep 2026232 PMAQI
20th Sep 2026233 PMAQI
20th Sep 2026174 PMAQI
20th Sep 2026185 PMAQI
20th Sep 2026166 PMAQI
20th Sep 2026237 PMAQI
20th Sep 2026238 PMAQI
20th Sep 2026449 PMAQI
20th Sep 20265410 PMAQI
20th Sep 20264911 PMAQI
21st Sep 20265612 AMAQI
21st Sep 2026501 AMAQI
21st Sep 2026612 AMAQI
21st Sep 2026473 AMAQI
21st Sep 2026494 AMAQI
21st Sep 2026445 AMAQI

22°C18/27°C

21st Sep 2026516 AMAQI
21st Sep 2026577 AMAQI
21st Sep 2026498 AMAQI
21st Sep 2026509 AMAQI
21st Sep 20265010 AMAQI
21st Sep 20265011 AMAQI
21st Sep 20265312 PMAQI
21st Sep 2026521 PMAQI
21st Sep 2026492 PMAQI
21st Sep 2026553 PMAQI
21st Sep 2026524 PMAQI
21st Sep 2026505 PMAQI
21st Sep 2026456 PMAQI
21st Sep 2026377 PMAQI
21st Sep 2026298 PMAQI
21st Sep 2026559 PMAQI
21st Sep 20266010 PMAQI
21st Sep 20266511 PMAQI
22nd Sep 20267112 AMAQI
22nd Sep 2026641 AMAQI
22nd Sep 2026632 AMAQI
22nd Sep 2026693 AMAQI
22nd Sep 2026564 AMAQI
22nd Sep 2026415 AMAQI

23°C19/28°C

22nd Sep 2026226 AMAQI
22nd Sep 2026357 AMAQI
22nd Sep 2026278 AMAQI
22nd Sep 2026449 AMAQI
22nd Sep 20262310 AMAQI
22nd Sep 20262111 AMAQI
22nd Sep 20262512 PMAQI
22nd Sep 2026321 PMAQI
22nd Sep 2026552 PMAQI
22nd Sep 2026453 PMAQI
22nd Sep 2026544 PMAQI
22nd Sep 2026325 PMAQI
22nd Sep 2026136 PMAQI
22nd Sep 2026467 PMAQI
22nd Sep 2026358 PMAQI
22nd Sep 2026389 PMAQI
22nd Sep 20263510 PMAQI
22nd Sep 20263211 PMAQI
23rd Sep 20262712 AMAQI
23rd Sep 2026221 AMAQI
23rd Sep 2026202 AMAQI
23rd Sep 2026213 AMAQI
23rd Sep 2026214 AMAQI
23rd Sep 2026265 AMAQI

20°C17/24°C

23rd Sep 2026216 AMAQI
23rd Sep 2026167 AMAQI
23rd Sep 2026148 AMAQI
23rd Sep 2026219 AMAQI
23rd Sep 20262310 AMAQI
23rd Sep 20261411 AMAQI
23rd Sep 20261512 PMAQI
23rd Sep 2026221 PMAQI
23rd Sep 2026372 PMAQI
23rd Sep 2026223 PMAQI
23rd Sep 2026254 PMAQI
23rd Sep 2026545 PMAQI
23rd Sep 2026446 PMAQI
23rd Sep 2026387 PMAQI
23rd Sep 2026438 PMAQI
23rd Sep 2026139 PMAQI
23rd Sep 20261110 PMAQI
23rd Sep 20261211 PMAQI
24th Sep 20261712 AMAQI
24th Sep 2026331 AMAQI
24th Sep 2026252 AMAQI
24th Sep 2026223 AMAQI
24th Sep 2026204 AMAQI
24th Sep 2026245 AMAQI

18°C14/23°C

24th Sep 2026266 AMAQI
24th Sep 2026357 AMAQI
24th Sep 2026318 AMAQI
24th Sep 2026439 AMAQI
24th Sep 20264410 AMAQI
24th Sep 20263211 AMAQI
24th Sep 20262312 PMAQI
24th Sep 2026231 PMAQI
24th Sep 2026172 PMAQI
24th Sep 2026163 PMAQI
24th Sep 2026204 PMAQI
24th Sep 2026225 PMAQI
24th Sep 2026366 PMAQI
24th Sep 2026397 PMAQI
24th Sep 2026528 PMAQI
24th Sep 2026649 PMAQI
24th Sep 20266210 PMAQI
24th Sep 20266211 PMAQI
25th Sep 20265312 AMAQI
25th Sep 2026511 AMAQI
25th Sep 2026522 AMAQI
25th Sep 2026453 AMAQI
25th Sep 2026524 AMAQI
25th Sep 2026495 AMAQI

19°C15/24°C

25th Sep 2026406 AMAQI
25th Sep 2026377 AMAQI
25th Sep 2026328 AMAQI
25th Sep 2026479 AMAQI
25th Sep 20262410 AMAQI
25th Sep 20264411 AMAQI
25th Sep 20263212 PMAQI
25th Sep 2026661 PMAQI
25th Sep 2026382 PMAQI
25th Sep 2026383 PMAQI
25th Sep 2026254 PMAQI
25th Sep 2026405 PMAQI
25th Sep 2026336 PMAQI
25th Sep 2026347 PMAQI
25th Sep 2026378 PMAQI
25th Sep 2026389 PMAQI
25th Sep 20262910 PMAQI
25th Sep 20264211 PMAQI
26th Sep 20262712 AMAQI
26th Sep 2026321 AMAQI
26th Sep 2026272 AMAQI
26th Sep 2026303 AMAQI
26th Sep 2026324 AMAQI
26th Sep 2026335 AMAQI

18°C15/22°C

26th Sep 2026456 AMAQI
26th Sep 2026447 AMAQI
26th Sep 2026538 AMAQI
26th Sep 2026579 AMAQI
26th Sep 20265110 AMAQI
26th Sep 20262611 AMAQI
26th Sep 20262212 PMAQI
26th Sep 2026291 PMAQI
26th Sep 2026252 PMAQI
26th Sep 2026253 PMAQI
26th Sep 2026234 PMAQI
26th Sep 2026295 PMAQI
26th Sep 2026236 PMAQI
26th Sep 2026377 PMAQI
26th Sep 2026288 PMAQI
26th Sep 2026219 PMAQI
26th Sep 20262610 PMAQI
26th Sep 20263011 PMAQI
27th Sep 20262712 AMAQI
27th Sep 2026261 AMAQI
27th Sep 2026232 AMAQI
27th Sep 2026373 AMAQI
27th Sep 2026584 AMAQI
27th Sep 2026675 AMAQI

18°C13/24°C

27th Sep 2026416 AMAQI
27th Sep 2026427 AMAQI
27th Sep 2026528 AMAQI
27th Sep 2026439 AMAQI
27th Sep 20264410 AMAQI
27th Sep 20262411 AMAQI
27th Sep 20262012 PMAQI
27th Sep 2026151 PMAQI
27th Sep 2026162 PMAQI
27th Sep 2026213 PMAQI
27th Sep 2026214 PMAQI
27th Sep 2026305 PMAQI
27th Sep 2026236 PMAQI
27th Sep 2026237 PMAQI
27th Sep 2026208 PMAQI
27th Sep 2026219 PMAQI
27th Sep 20262210 PMAQI
27th Sep 20262111 PMAQI
28th Sep 20262512 AMAQI
28th Sep 2026261 AMAQI
28th Sep 2026282 AMAQI
28th Sep 2026393 AMAQI
28th Sep 2026334 AMAQI
28th Sep 2026455 AMAQI

19°C14/26°C

28th Sep 2026616 AMAQI
28th Sep 2026517 AMAQI
28th Sep 2026638 AMAQI
28th Sep 2026609 AMAQI
28th Sep 20264310 AMAQI
28th Sep 20264311 AMAQI
28th Sep 20263612 PMAQI
28th Sep 2026231 PMAQI
28th Sep 2026212 PMAQI
28th Sep 2026183 PMAQI
28th Sep 2026164 PMAQI
28th Sep 2026165 PMAQI
28th Sep 2026216 PMAQI
28th Sep 2026257 PMAQI
28th Sep 2026238 PMAQI
28th Sep 2026359 PMAQI
28th Sep 20264210 PMAQI
28th Sep 20264711 PMAQI
29th Sep 20265412 AMAQI
29th Sep 2026571 AMAQI
29th Sep 2026612 AMAQI
29th Sep 2026713 AMAQI
29th Sep 2026724 AMAQI
29th Sep 2026745 AMAQI

20°C16/26°C

29th Sep 2026706 AMAQI
6 AM
29th Sep 2026777 AMAQI
29th Sep 2026868 AMAQI
29th Sep 2026819 AMAQI
29th Sep 20267910 AMAQI
29th Sep 20267311 AMAQI
29th Sep 20266612 PMAQI
12 PM
29th Sep 2026591 PMAQI
29th Sep 2026542 PMAQI
29th Sep 2026563 PMAQI
29th Sep 2026534 PMAQI
29th Sep 2026485 PMAQI
29th Sep 2026476 PMAQI
29th Sep 2026487 PMAQI
7 PM
29th Sep 2026618 PMAQI
29th Sep 2026699 PMAQI
29th Sep 20267410 PMAQI
29th Sep 20267411 PMAQI
12 AM
5 AM

20°C16/27°C

Day time
Avg. Highest Time
9 AM

47AQI

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

30AQI

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. 47), while the lowest AQI was between 6 PM to 6 PM (Avg. 30).
Night time
Avg. Highest Time
4 AM - 5 AM

42AQI

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

33AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 5 AM (Avg. 42), while the lowest AQI was between 8 PM to 8 PM (Avg. 33).

2026 Days Vs Air Quality

Bologna, Emilia Romagna, Italy

2026

58%

157

26%

71

15%

40

0.3%

1

Total number of days with different AQI categories in last 272 days in 2026 (93 days remaining)

Good
157 Days
Moderate
71 Days
Poor
40 Days
Unhealthy
1 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 58%

Health Risk Level:

Considerable

In 2026, 58% of 272 days were within WHO’s safe air quality limits, and 42% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.

Annual Air Quality Insights

Bologna, Emilia Romagna, Italy

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
104AQI (US)
2nd January 2026
121AQI (US)
3rd January 2026
114AQI (US)
4th January 2026
101AQI (US)
5th January 2026
77AQI (US)
6th January 2026
87AQI (US)
7th January 2026
99AQI (US)
8th January 2026
80AQI (US)
9th January 2026
124AQI (US)
10th January 2026
118AQI (US)
11th January 2026
75AQI (US)
12th January 2026
80AQI (US)
13th January 2026
116AQI (US)
14th January 2026
121AQI (US)
15th January 2026
141AQI (US)
16th January 2026
137AQI (US)
17th January 2026
122AQI (US)
18th January 2026
94AQI (US)
19th January 2026
75AQI (US)
20th January 2026
91AQI (US)
21st January 2026
109AQI (US)
22nd January 2026
139AQI (US)
23rd January 2026
155AQI (US)
24th January 2026
112AQI (US)
25th January 2026
97AQI (US)
26th January 2026
99AQI (US)
27th January 2026
83AQI (US)
28th January 2026
72AQI (US)
29th January 2026
94AQI (US)
30th January 2026
120AQI (US)
31st January 2026
116AQI (US)
1st February 2026
110AQI (US)
2nd February 2026
105AQI (US)
3rd February 2026
89AQI (US)
4th February 2026
71AQI (US)
5th February 2026
49AQI (US)
6th February 2026
52AQI (US)
7th February 2026
100AQI (US)
8th February 2026
118AQI (US)
9th February 2026
122AQI (US)
10th February 2026
105AQI (US)
11th February 2026
83AQI (US)
12th February 2026
84AQI (US)
13th February 2026
82AQI (US)
14th February 2026
52AQI (US)
15th February 2026
31AQI (US)
16th February 2026
61AQI (US)
17th February 2026
64AQI (US)
18th February 2026
46AQI (US)
19th February 2026
54AQI (US)
20th February 2026
76AQI (US)
21st February 2026
55AQI (US)
22nd February 2026
101AQI (US)
23rd February 2026
128AQI (US)
24th February 2026
130AQI (US)
25th February 2026
134AQI (US)
26th February 2026
142AQI (US)
27th February 2026
142AQI (US)
28th February 2026
129AQI (US)
1st March 2026
122AQI (US)
2nd March 2026
116AQI (US)
3rd March 2026
124AQI (US)
4th March 2026
122AQI (US)
5th March 2026
115AQI (US)
6th March 2026
122AQI (US)
7th March 2026
120AQI (US)
8th March 2026
137AQI (US)
9th March 2026
121AQI (US)
10th March 2026
118AQI (US)
11th March 2026
117AQI (US)
12th March 2026
102AQI (US)
13th March 2026
97AQI (US)
14th March 2026
58AQI (US)
15th March 2026
39AQI (US)
16th March 2026
64AQI (US)
17th March 2026
46AQI (US)
18th March 2026
39AQI (US)
19th March 2026
69AQI (US)
20th March 2026
69AQI (US)
21st March 2026
83AQI (US)
22nd March 2026
81AQI (US)
23rd March 2026
89AQI (US)
24th March 2026
84AQI (US)
25th March 2026
63AQI (US)
26th March 2026
29AQI (US)
27th March 2026
31AQI (US)
28th March 2026
35AQI (US)
29th March 2026
54AQI (US)
30th March 2026
61AQI (US)
31st March 2026
59AQI (US)
1st April 2026
14AQI (US)
2nd April 2026
32AQI (US)
3rd April 2026
42AQI (US)
4th April 2026
35AQI (US)
5th April 2026
59AQI (US)
6th April 2026
60AQI (US)
7th April 2026
56AQI (US)
8th April 2026
49AQI (US)
9th April 2026
29AQI (US)
10th April 2026
29AQI (US)
11th April 2026
56AQI (US)
12th April 2026
76AQI (US)
13th April 2026
52AQI (US)
14th April 2026
65AQI (US)
15th April 2026
74AQI (US)
16th April 2026
66AQI (US)
17th April 2026
18th April 2026
46AQI (US)
19th April 2026
49AQI (US)
20th April 2026
68AQI (US)
21st April 2026
22AQI (US)
22nd April 2026
23rd April 2026
36AQI (US)
24th April 2026
43AQI (US)
25th April 2026
41AQI (US)
26th April 2026
52AQI (US)
27th April 2026
44AQI (US)
28th April 2026
40AQI (US)
29th April 2026
47AQI (US)
30th April 2026
14AQI (US)
1st May 2026
18AQI (US)
2nd May 2026
24AQI (US)
3rd May 2026
23AQI (US)
4th May 2026
24AQI (US)
5th May 2026
44AQI (US)
6th May 2026
48AQI (US)
7th May 2026
36AQI (US)
8th May 2026
42AQI (US)
9th May 2026
10th May 2026
56AQI (US)
11th May 2026
49AQI (US)
12th May 2026
37AQI (US)
13th May 2026
40AQI (US)
14th May 2026
23AQI (US)
15th May 2026
33AQI (US)
16th May 2026
37AQI (US)
17th May 2026
40AQI (US)
18th May 2026
31AQI (US)
19th May 2026
35AQI (US)
20th May 2026
34AQI (US)
21st May 2026
38AQI (US)
22nd May 2026
35AQI (US)
23rd May 2026
38AQI (US)
24th May 2026
49AQI (US)
25th May 2026
47AQI (US)
26th May 2026
47AQI (US)
27th May 2026
72AQI (US)
28th May 2026
64AQI (US)
29th May 2026
24AQI (US)
30th May 2026
25AQI (US)
31st May 2026
32AQI (US)
1st June 2026
35AQI (US)
2nd June 2026
37AQI (US)
3rd June 2026
20AQI (US)
4th June 2026
24AQI (US)
5th June 2026
21AQI (US)
6th June 2026
27AQI (US)
7th June 2026
20AQI (US)
8th June 2026
28AQI (US)
9th June 2026
31AQI (US)
10th June 2026
31AQI (US)
11th June 2026
35AQI (US)
12th June 2026
40AQI (US)
13th June 2026
16AQI (US)
14th June 2026
33AQI (US)
15th June 2026
36AQI (US)
16th June 2026
35AQI (US)
17th June 2026
25AQI (US)
18th June 2026
42AQI (US)
19th June 2026
47AQI (US)
20th June 2026
40AQI (US)
21st June 2026
39AQI (US)
22nd June 2026
43AQI (US)
23rd June 2026
30AQI (US)
24th June 2026
47AQI (US)
25th June 2026
44AQI (US)
26th June 2026
39AQI (US)
27th June 2026
50AQI (US)
28th June 2026
60AQI (US)
29th June 2026
64AQI (US)
30th June 2026
45AQI (US)
1st July 2026
50AQI (US)
2nd July 2026
31AQI (US)
3rd July 2026
16AQI (US)
4th July 2026
26AQI (US)
5th July 2026
29AQI (US)
6th July 2026
17AQI (US)
7th July 2026
17AQI (US)
8th July 2026
34AQI (US)
9th July 2026
37AQI (US)
10th July 2026
14AQI (US)
11th July 2026
36AQI (US)
12th July 2026
23AQI (US)
13th July 2026
21AQI (US)
14th July 2026
34AQI (US)
15th July 2026
44AQI (US)
16th July 2026
49AQI (US)
17th July 2026
65AQI (US)
18th July 2026
60AQI (US)
19th July 2026
28AQI (US)
20th July 2026
29AQI (US)
21st July 2026
24AQI (US)
22nd July 2026
32AQI (US)
23rd July 2026
34AQI (US)
24th July 2026
28AQI (US)
25th July 2026
37AQI (US)
26th July 2026
34AQI (US)
27th July 2026
49AQI (US)
28th July 2026
53AQI (US)
29th July 2026
57AQI (US)
30th July 2026
67AQI (US)
31st July 2026
66AQI (US)
1st August 2026
63AQI (US)
2nd August 2026
54AQI (US)
3rd August 2026
57AQI (US)
4th August 2026
65AQI (US)
5th August 2026
61AQI (US)
6th August 2026
56AQI (US)
7th August 2026
35AQI (US)
8th August 2026
34AQI (US)
9th August 2026
28AQI (US)
10th August 2026
43AQI (US)
11th August 2026
44AQI (US)
12th August 2026
36AQI (US)
13th August 2026
40AQI (US)
14th August 2026
31AQI (US)
15th August 2026
34AQI (US)
16th August 2026
41AQI (US)
17th August 2026
38AQI (US)
18th August 2026
35AQI (US)
19th August 2026
43AQI (US)
20th August 2026
47AQI (US)
21st August 2026
29AQI (US)
22nd August 2026
34AQI (US)
23rd August 2026
30AQI (US)
24th August 2026
30AQI (US)
25th August 2026
24AQI (US)
26th August 2026
32AQI (US)
27th August 2026
40AQI (US)
28th August 2026
45AQI (US)
29th August 2026
43AQI (US)
30th August 2026
40AQI (US)
31st August 2026
41AQI (US)
1st September 2026
40AQI (US)
2nd September 2026
32AQI (US)
3rd September 2026
30AQI (US)
4th September 2026
37AQI (US)
5th September 2026
31AQI (US)
6th September 2026
38AQI (US)
7th September 2026
42AQI (US)
8th September 2026
46AQI (US)
9th September 2026
38AQI (US)
10th September 2026
52AQI (US)
11th September 2026
35AQI (US)
12th September 2026
30AQI (US)
13th September 2026
32AQI (US)
14th September 2026
30AQI (US)
15th September 2026
34AQI (US)
16th September 2026
40AQI (US)
17th September 2026
37AQI (US)
18th September 2026
35AQI (US)
19th September 2026
37AQI (US)
20th September 2026
36AQI (US)
21st September 2026
51AQI (US)
22nd September 2026
41AQI (US)
23rd September 2026
24AQI (US)
24th September 2026
33AQI (US)
25th September 2026
41AQI (US)
26th September 2026
32AQI (US)
27th September 2026
31AQI (US)
28th September 2026
35AQI (US)
29th September 2026
65AQI (US)
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

106AQI (US)

90AQI (US)

83AQI (US)

46AQI (US)

38AQI (US)

36AQI (US)

37AQI (US)

41AQI (US)

37AQI (US)

No. of days

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

202657AQI (US)

14
16
1
3
13
12
6
13
12
17
11
27
3
28
2
25
6
25
6
26
3
157
71
40
1

Highest AQI (US) recorded in

January

106AQI (US)

Lowest AQI (US) recorded in

June

36AQI (US)

202558AQI (US)

12
14
5
5
19
3
1
22
9
30
31
10
20
27
4
20
11
28
2
1
27
3
19
11
1
9
21
187
134
43
1

Highest AQI (US) recorded in

December

104AQI (US)

Lowest AQI (US) recorded in

September

30AQI (US)

202442AQI (US)

1
1
2
2
12
30
31
26
4
18
8
27
4
14
13
3
11
20
172
52
3

Highest AQI (US) recorded in

November

60AQI (US)

Lowest AQI (US) recorded in

May

28AQI (US)

202362AQI (US)

1
1
4
2
4

Highest AQI (US) recorded in

December

76AQI (US)

Lowest AQI (US) recorded in

November

29AQI (US)

202260AQI (US)

3
19
7
4
15
3
1
1
29
25
5
24
7
16
14
7
18
2
3
82
110
10
1

Highest AQI (US) recorded in

January

87AQI (US)

Lowest AQI (US) recorded in

April

40AQI (US)

202153AQI (US)

9
18
3
9
17
2
19
10
1
30
31
15
15
14
17
23
8
17
13
15
13
3
12
18
26
4
194
155
13

Highest AQI (US) recorded in

December

83AQI (US)

Lowest AQI (US) recorded in

April

37AQI (US)

202047AQI (US)

7
7
15
4
19
25
5
24
7
22
9
21
9
19
11
7
15
8
14
15
2
173
82
10

Highest AQI (US) recorded in

November

74AQI (US)

Lowest AQI (US) recorded in

June

35AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2023(Avg.)
62AQI (US)
Least Polluted Year Recorded
2024(Avg.)
42AQI (US)

Bologna's annual 2026 AQI (US) (57) shows an average percentage change of 8.2% (worsened AQI (US)) compared to previous years: 2020 (47), 2021 (53), 2022 (60), 2023 (62), 2024 (42), 2025 (58).