Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Buenos Aires, Buenos Aires, Argentina 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+

March Air Quality Analysis

Buenos Aires, Buenos Aires, Argentina

2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
4th Mar 2026
59AQI
Lowest AQI recorded on
12th Mar 2024
11AQI

Same Day Analysis (12th March):
On this day, AQI across the 4 years varied significantly: 2026 ranks 1st highest AQI at 41 of Good air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 11th Mar - 12th Mar 2026

Buenos Aires, Buenos Aires, Argentina

AQI
Day
Night
.

6 AM11th Mar 2026

7 PM

5 AM12th Mar 2026

Day time
Avg. Highest Time
4PM11th Mar

46AQI

Avg. Lowest Time
7PM11th Mar

28AQI

Night time
Avg. Highest Time
10PM11th Mar

55AQI

Avg. Lowest Time
4AM12th Mar

30AQI

In the last 24 hours,

Buenos Aires's AQI reached its highest point of 55 at 10 PM during the Night, while the lowest point, 28, was recorded at 7 PM during the Day between 11th Mar and 12th Mar 2026.

Day & Night AQI Trend : Feb - Mar 2026

Buenos Aires, Buenos Aires, Argentina

FebMar
11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th
Day
Night
11th Feb 2026386 AMAQI
11th Feb 2026367 AMAQI
11th Feb 2026368 AMAQI
11th Feb 2026349 AMAQI
11th Feb 20264010 AMAQI
11th Feb 20265011 AMAQI
11th Feb 20264812 PMAQI
11th Feb 2026531 PMAQI
11th Feb 2026492 PMAQI
11th Feb 2026473 PMAQI
11th Feb 2026524 PMAQI
11th Feb 2026625 PMAQI
11th Feb 2026366 PMAQI
11th Feb 2026487 PMAQI
11th Feb 2026508 PMAQI
11th Feb 2026549 PMAQI
11th Feb 20265210 PMAQI
11th Feb 20266011 PMAQI
12th Feb 20264912 AMAQI
12th Feb 2026461 AMAQI
12th Feb 2026442 AMAQI
12th Feb 2026423 AMAQI
12th Feb 2026344 AMAQI
12th Feb 2026305 AMAQI

27°C25/30°C

12th Feb 2026286 AMAQI
12th Feb 2026277 AMAQI
12th Feb 2026388 AMAQI
12th Feb 2026379 AMAQI
12th Feb 20264510 AMAQI
12th Feb 20264511 AMAQI
12th Feb 20265112 PMAQI
12th Feb 2026551 PMAQI
12th Feb 2026502 PMAQI
12th Feb 2026463 PMAQI
12th Feb 2026624 PMAQI
12th Feb 2026465 PMAQI
12th Feb 2026466 PMAQI
12th Feb 2026537 PMAQI
12th Feb 2026508 PMAQI
12th Feb 2026569 PMAQI
12th Feb 20266810 PMAQI
12th Feb 20264411 PMAQI
13th Feb 20264612 AMAQI
13th Feb 2026481 AMAQI
13th Feb 2026482 AMAQI
13th Feb 2026503 AMAQI
13th Feb 2026504 AMAQI
13th Feb 2026435 AMAQI

24°C22/26°C

13th Feb 2026426 AMAQI
13th Feb 2026377 AMAQI
13th Feb 2026418 AMAQI
13th Feb 2026459 AMAQI
13th Feb 20264810 AMAQI
13th Feb 20265611 AMAQI
13th Feb 20265412 PMAQI
13th Feb 2026541 PMAQI
13th Feb 2026552 PMAQI
13th Feb 2026553 PMAQI
13th Feb 2026754 PMAQI
13th Feb 2026545 PMAQI
13th Feb 2026526 PMAQI
13th Feb 2026567 PMAQI
13th Feb 2026548 PMAQI
13th Feb 2026619 PMAQI
13th Feb 20266410 PMAQI
13th Feb 20265611 PMAQI
14th Feb 20265512 AMAQI
14th Feb 2026541 AMAQI
14th Feb 2026502 AMAQI
14th Feb 2026503 AMAQI
14th Feb 2026424 AMAQI
14th Feb 2026315 AMAQI

22°C18/26°C

14th Feb 2026366 AMAQI
14th Feb 2026447 AMAQI
14th Feb 2026398 AMAQI
14th Feb 2026419 AMAQI
14th Feb 20264410 AMAQI
14th Feb 20265011 AMAQI
14th Feb 20265512 PMAQI
14th Feb 2026541 PMAQI
14th Feb 2026672 PMAQI
14th Feb 2026653 PMAQI
14th Feb 2026884 PMAQI
14th Feb 2026765 PMAQI
14th Feb 2026646 PMAQI
14th Feb 2026487 PMAQI
14th Feb 2026488 PMAQI
14th Feb 2026389 PMAQI
14th Feb 20264310 PMAQI
14th Feb 20264611 PMAQI
15th Feb 20264412 AMAQI
15th Feb 2026501 AMAQI
15th Feb 2026482 AMAQI
15th Feb 2026503 AMAQI
15th Feb 2026444 AMAQI
15th Feb 2026425 AMAQI

23°C19/27°C

15th Feb 2026366 AMAQI
15th Feb 2026387 AMAQI
15th Feb 2026418 AMAQI
15th Feb 2026329 AMAQI
15th Feb 20263510 AMAQI
15th Feb 20265211 AMAQI
15th Feb 20264212 PMAQI
15th Feb 2026341 PMAQI
15th Feb 2026372 PMAQI
15th Feb 2026463 PMAQI
15th Feb 2026604 PMAQI
15th Feb 2026565 PMAQI
15th Feb 2026316 PMAQI
15th Feb 2026307 PMAQI
15th Feb 2026318 PMAQI
15th Feb 2026359 PMAQI
15th Feb 20264210 PMAQI
15th Feb 20265311 PMAQI
16th Feb 20265412 AMAQI
16th Feb 2026531 AMAQI
16th Feb 2026462 AMAQI
16th Feb 2026383 AMAQI
16th Feb 2026384 AMAQI
16th Feb 2026555 AMAQI

23°C20/25°C

16th Feb 2026626 AMAQI
16th Feb 2026597 AMAQI
16th Feb 2026478 AMAQI
16th Feb 2026329 AMAQI
16th Feb 20264010 AMAQI
16th Feb 20264611 AMAQI
16th Feb 20265212 PMAQI
16th Feb 2026501 PMAQI
16th Feb 2026402 PMAQI
16th Feb 2026423 PMAQI
16th Feb 2026964 PMAQI
16th Feb 2026805 PMAQI
16th Feb 2026586 PMAQI
16th Feb 2026347 PMAQI
16th Feb 2026388 PMAQI
16th Feb 2026359 PMAQI
16th Feb 20265210 PMAQI
16th Feb 20263811 PMAQI
17th Feb 20264412 AMAQI
17th Feb 2026461 AMAQI
17th Feb 2026442 AMAQI
17th Feb 2026373 AMAQI
17th Feb 2026304 AMAQI
17th Feb 2026285 AMAQI

24°C22/27°C

17th Feb 2026266 AMAQI
17th Feb 2026267 AMAQI
17th Feb 2026318 AMAQI
17th Feb 2026349 AMAQI
17th Feb 20263810 AMAQI
17th Feb 20264111 AMAQI
17th Feb 20264612 PMAQI
17th Feb 2026461 PMAQI
17th Feb 2026512 PMAQI
17th Feb 2026643 PMAQI
17th Feb 20261144 PMAQI
17th Feb 2026425 PMAQI
17th Feb 2026496 PMAQI
17th Feb 2026467 PMAQI
17th Feb 2026558 PMAQI
17th Feb 2026689 PMAQI
17th Feb 20265510 PMAQI
17th Feb 20264311 PMAQI
18th Feb 20264612 AMAQI
18th Feb 2026481 AMAQI
18th Feb 2026422 AMAQI
18th Feb 2026413 AMAQI
18th Feb 2026424 AMAQI
18th Feb 2026385 AMAQI

24°C21/27°C

18th Feb 2026326 AMAQI
18th Feb 2026317 AMAQI
18th Feb 2026408 AMAQI
18th Feb 2026389 AMAQI
18th Feb 20264010 AMAQI
18th Feb 20264211 AMAQI
18th Feb 20264712 PMAQI
18th Feb 2026441 PMAQI
18th Feb 2026582 PMAQI
18th Feb 2026523 PMAQI
18th Feb 2026664 PMAQI
18th Feb 2026845 PMAQI
18th Feb 2026466 PMAQI
18th Feb 2026377 PMAQI
18th Feb 2026388 PMAQI
18th Feb 2026429 PMAQI
18th Feb 20267610 PMAQI
18th Feb 20264011 PMAQI
19th Feb 20263612 AMAQI
19th Feb 2026461 AMAQI
19th Feb 2026442 AMAQI
19th Feb 2026423 AMAQI
19th Feb 2026414 AMAQI
19th Feb 2026445 AMAQI

25°C22/29°C

19th Feb 2026426 AMAQI
19th Feb 2026447 AMAQI
19th Feb 2026378 AMAQI
19th Feb 2026329 AMAQI
19th Feb 20263410 AMAQI
19th Feb 20263611 AMAQI
19th Feb 20265212 PMAQI
19th Feb 2026451 PMAQI
19th Feb 2026442 PMAQI
19th Feb 2026513 PMAQI
19th Feb 20261014 PMAQI
19th Feb 2026765 PMAQI
19th Feb 2026386 PMAQI
19th Feb 2026417 PMAQI
19th Feb 2026428 PMAQI
19th Feb 2026589 PMAQI
19th Feb 20266410 PMAQI
19th Feb 20264211 PMAQI
20th Feb 20264212 AMAQI
20th Feb 2026401 AMAQI
20th Feb 2026472 AMAQI
20th Feb 2026423 AMAQI
20th Feb 2026424 AMAQI
20th Feb 2026375 AMAQI

24°C22/27°C

20th Feb 2026346 AMAQI
20th Feb 2026407 AMAQI
20th Feb 2026388 AMAQI
20th Feb 2026429 AMAQI
20th Feb 20264310 AMAQI
20th Feb 20264811 AMAQI
20th Feb 20264512 PMAQI
20th Feb 2026501 PMAQI
20th Feb 2026472 PMAQI
20th Feb 2026423 PMAQI
20th Feb 2026784 PMAQI
20th Feb 2026605 PMAQI
20th Feb 2026446 PMAQI
20th Feb 2026367 PMAQI
20th Feb 2026408 PMAQI
20th Feb 2026319 PMAQI
20th Feb 20265910 PMAQI
20th Feb 20264211 PMAQI
21st Feb 20263812 AMAQI
21st Feb 2026361 AMAQI
21st Feb 2026342 AMAQI
21st Feb 2026343 AMAQI
21st Feb 2026364 AMAQI
21st Feb 2026325 AMAQI

22°C18/26°C

21st Feb 2026306 AMAQI
21st Feb 2026267 AMAQI
21st Feb 2026338 AMAQI
21st Feb 2026329 AMAQI
21st Feb 20262710 AMAQI
21st Feb 20263211 AMAQI
21st Feb 20263412 PMAQI
21st Feb 2026421 PMAQI
21st Feb 2026522 PMAQI
21st Feb 2026373 PMAQI
21st Feb 2026664 PMAQI
21st Feb 2026825 PMAQI
21st Feb 2026326 PMAQI
21st Feb 2026307 PMAQI
21st Feb 2026508 PMAQI
21st Feb 2026489 PMAQI
21st Feb 20266410 PMAQI
21st Feb 20263211 PMAQI
22nd Feb 20262612 AMAQI
22nd Feb 2026281 AMAQI
22nd Feb 2026312 AMAQI
22nd Feb 2026343 AMAQI
22nd Feb 2026304 AMAQI
22nd Feb 2026255 AMAQI

23°C20/26°C

22nd Feb 2026226 AMAQI
22nd Feb 2026247 AMAQI
22nd Feb 2026298 AMAQI
22nd Feb 2026299 AMAQI
22nd Feb 20262810 AMAQI
22nd Feb 20262511 AMAQI
22nd Feb 20262112 PMAQI
22nd Feb 2026241 PMAQI
22nd Feb 2026322 PMAQI
22nd Feb 2026363 PMAQI
22nd Feb 2026584 PMAQI
22nd Feb 2026385 PMAQI
22nd Feb 2026306 PMAQI
22nd Feb 2026327 PMAQI
22nd Feb 2026348 PMAQI
22nd Feb 2026479 PMAQI
22nd Feb 20267610 PMAQI
22nd Feb 20263411 PMAQI
23rd Feb 20263212 AMAQI
23rd Feb 2026251 AMAQI
23rd Feb 2026202 AMAQI
23rd Feb 2026223 AMAQI
23rd Feb 2026304 AMAQI
23rd Feb 2026385 AMAQI

24°C21/27°C

23rd Feb 2026416 AMAQI
23rd Feb 2026387 AMAQI
23rd Feb 2026348 AMAQI
23rd Feb 2026349 AMAQI
23rd Feb 20263610 AMAQI
23rd Feb 20263411 AMAQI
23rd Feb 20264712 PMAQI
23rd Feb 2026451 PMAQI
23rd Feb 2026522 PMAQI
23rd Feb 2026403 PMAQI
23rd Feb 2026464 PMAQI
23rd Feb 2026625 PMAQI
23rd Feb 2026446 PMAQI
23rd Feb 2026437 PMAQI
23rd Feb 2026428 PMAQI
23rd Feb 2026409 PMAQI
23rd Feb 20264510 PMAQI
23rd Feb 20265011 PMAQI
24th Feb 20264512 AMAQI
24th Feb 2026401 AMAQI
24th Feb 2026442 AMAQI
24th Feb 2026423 AMAQI
24th Feb 2026364 AMAQI
24th Feb 2026395 AMAQI

24°C22/26°C

24th Feb 2026426 AMAQI
24th Feb 2026327 AMAQI
24th Feb 2026378 AMAQI
24th Feb 2026369 AMAQI
24th Feb 20264210 AMAQI
24th Feb 20264411 AMAQI
24th Feb 20265212 PMAQI
24th Feb 2026441 PMAQI
24th Feb 2026442 PMAQI
24th Feb 2026323 PMAQI
24th Feb 2026404 PMAQI
24th Feb 2026465 PMAQI
24th Feb 2026306 PMAQI
24th Feb 2026347 PMAQI
24th Feb 2026428 PMAQI
24th Feb 2026539 PMAQI
24th Feb 20264310 PMAQI
24th Feb 20264011 PMAQI
25th Feb 20264412 AMAQI
25th Feb 2026501 AMAQI
25th Feb 2026452 AMAQI
25th Feb 2026453 AMAQI
25th Feb 2026424 AMAQI
25th Feb 2026425 AMAQI

26°C22/32°C

25th Feb 2026396 AMAQI
25th Feb 2026427 AMAQI
25th Feb 2026368 AMAQI
25th Feb 2026329 AMAQI
25th Feb 20263610 AMAQI
25th Feb 20263911 AMAQI
25th Feb 20264112 PMAQI
25th Feb 2026621 PMAQI
25th Feb 2026432 PMAQI
25th Feb 2026423 PMAQI
25th Feb 2026524 PMAQI
25th Feb 2026645 PMAQI
25th Feb 2026426 PMAQI
25th Feb 2026277 PMAQI
25th Feb 2026408 PMAQI
25th Feb 2026479 PMAQI
25th Feb 20264210 PMAQI
25th Feb 20263511 PMAQI
26th Feb 20263712 AMAQI
26th Feb 2026381 AMAQI
26th Feb 2026372 AMAQI
26th Feb 2026323 AMAQI
26th Feb 2026324 AMAQI
26th Feb 2026315 AMAQI

20°C16/25°C

26th Feb 2026546 AMAQI
26th Feb 2026647 AMAQI
26th Feb 2026498 AMAQI
26th Feb 2026349 AMAQI
26th Feb 20263010 AMAQI
26th Feb 20263111 AMAQI
26th Feb 20263812 PMAQI
26th Feb 2026331 PMAQI
26th Feb 2026312 PMAQI
26th Feb 2026293 PMAQI
26th Feb 2026384 PMAQI
26th Feb 2026365 PMAQI
26th Feb 2026796 PMAQI
26th Feb 2026607 PMAQI
26th Feb 2026468 PMAQI
26th Feb 2026349 PMAQI
26th Feb 20263710 PMAQI
26th Feb 20263411 PMAQI
27th Feb 20263412 AMAQI
27th Feb 2026321 AMAQI
27th Feb 2026312 AMAQI
27th Feb 2026333 AMAQI
27th Feb 2026364 AMAQI
27th Feb 2026265 AMAQI

21°C18/24°C

27th Feb 2026306 AMAQI
27th Feb 2026307 AMAQI
27th Feb 2026328 AMAQI
27th Feb 2026519 AMAQI
27th Feb 20262810 AMAQI
27th Feb 20263411 AMAQI
27th Feb 20263512 PMAQI
27th Feb 2026521 PMAQI
27th Feb 2026302 PMAQI
27th Feb 2026333 PMAQI
27th Feb 2026364 PMAQI
27th Feb 2026965 PMAQI
27th Feb 2026446 PMAQI
27th Feb 2026317 PMAQI
27th Feb 2026328 PMAQI
27th Feb 2026309 PMAQI
27th Feb 20263810 PMAQI
27th Feb 20263411 PMAQI
28th Feb 20263412 AMAQI
28th Feb 2026361 AMAQI
28th Feb 2026322 AMAQI
28th Feb 2026283 AMAQI
28th Feb 2026294 AMAQI
28th Feb 2026275 AMAQI

22°C19/25°C

28th Feb 2026286 AMAQI
28th Feb 2026387 AMAQI
28th Feb 2026318 AMAQI
28th Feb 2026279 AMAQI
28th Feb 20262910 AMAQI
28th Feb 20263511 AMAQI
28th Feb 20263612 PMAQI
28th Feb 2026321 PMAQI
28th Feb 2026302 PMAQI
28th Feb 2026323 PMAQI
28th Feb 2026504 PMAQI
28th Feb 2026365 PMAQI
28th Feb 2026446 PMAQI
28th Feb 2026427 PMAQI
28th Feb 2026348 PMAQI
28th Feb 2026289 PMAQI
28th Feb 20263510 PMAQI
28th Feb 20263811 PMAQI
1st Mar 20264212 AMAQI
1st Mar 2026421 AMAQI
1st Mar 2026362 AMAQI
1st Mar 2026323 AMAQI
1st Mar 2026324 AMAQI
1st Mar 2026285 AMAQI

24°C21/28°C

1st Mar 2026286 AMAQI
1st Mar 2026287 AMAQI
1st Mar 2026348 AMAQI
1st Mar 2026309 AMAQI
1st Mar 20263810 AMAQI
1st Mar 20264411 AMAQI
1st Mar 20263612 PMAQI
1st Mar 2026521 PMAQI
1st Mar 2026522 PMAQI
1st Mar 2026423 PMAQI
1st Mar 2026534 PMAQI
1st Mar 2026605 PMAQI
1st Mar 2026426 PMAQI
1st Mar 2026487 PMAQI
1st Mar 2026458 PMAQI
1st Mar 2026429 PMAQI
1st Mar 20264310 PMAQI
1st Mar 20264211 PMAQI
2nd Mar 20263212 AMAQI
2nd Mar 2026451 AMAQI
2nd Mar 2026482 AMAQI
2nd Mar 2026323 AMAQI
2nd Mar 2026324 AMAQI
2nd Mar 2026445 AMAQI

24°C21/28°C

2nd Mar 2026356 AMAQI
2nd Mar 2026407 AMAQI
2nd Mar 2026348 AMAQI
2nd Mar 2026369 AMAQI
2nd Mar 20264210 AMAQI
2nd Mar 20265211 AMAQI
2nd Mar 20265012 PMAQI
2nd Mar 2026511 PMAQI
2nd Mar 2026552 PMAQI
2nd Mar 2026643 PMAQI
2nd Mar 2026564 PMAQI
2nd Mar 2026685 PMAQI
2nd Mar 2026496 PMAQI
2nd Mar 2026467 PMAQI
2nd Mar 2026398 PMAQI
2nd Mar 2026409 PMAQI
2nd Mar 20269810 PMAQI
2nd Mar 20264611 PMAQI
3rd Mar 20263812 AMAQI
3rd Mar 2026461 AMAQI
3rd Mar 2026372 AMAQI
3rd Mar 2026363 AMAQI
3rd Mar 2026364 AMAQI
3rd Mar 2026405 AMAQI

24°C20/28°C

3rd Mar 2026366 AMAQI
3rd Mar 2026457 AMAQI
3rd Mar 2026408 AMAQI
3rd Mar 2026399 AMAQI
3rd Mar 20264210 AMAQI
3rd Mar 20263811 AMAQI
3rd Mar 20265212 PMAQI
3rd Mar 2026441 PMAQI
3rd Mar 2026422 PMAQI
3rd Mar 2026403 PMAQI
3rd Mar 2026424 PMAQI
3rd Mar 2026465 PMAQI
3rd Mar 2026446 PMAQI
3rd Mar 2026467 PMAQI
3rd Mar 2026468 PMAQI
3rd Mar 2026449 PMAQI
3rd Mar 20265510 PMAQI
3rd Mar 20267011 PMAQI
4th Mar 20264412 AMAQI
4th Mar 2026381 AMAQI
4th Mar 2026382 AMAQI
4th Mar 2026363 AMAQI
4th Mar 2026564 AMAQI
4th Mar 2026865 AMAQI

24°C22/28°C

4th Mar 2026876 AMAQI
4th Mar 2026977 AMAQI
4th Mar 20261328 AMAQI
4th Mar 20261499 AMAQI
4th Mar 20268110 AMAQI
4th Mar 20264411 AMAQI
4th Mar 20264812 PMAQI
4th Mar 2026461 PMAQI
4th Mar 2026452 PMAQI
4th Mar 2026423 PMAQI
4th Mar 2026434 PMAQI
4th Mar 2026455 PMAQI
4th Mar 2026436 PMAQI
4th Mar 2026427 PMAQI
4th Mar 2026388 PMAQI
4th Mar 2026449 PMAQI
4th Mar 20264110 PMAQI
4th Mar 20264611 PMAQI
5th Mar 20264612 AMAQI
5th Mar 2026491 AMAQI
5th Mar 2026402 AMAQI
5th Mar 2026343 AMAQI
5th Mar 2026304 AMAQI
5th Mar 2026325 AMAQI

25°C21/29°C

5th Mar 2026346 AMAQI
5th Mar 2026397 AMAQI
5th Mar 2026388 AMAQI
5th Mar 2026409 AMAQI
5th Mar 20264810 AMAQI
5th Mar 20264411 AMAQI
5th Mar 20264812 PMAQI
5th Mar 2026421 PMAQI
5th Mar 2026462 PMAQI
5th Mar 2026443 PMAQI
5th Mar 2026294 PMAQI
5th Mar 2026325 PMAQI
5th Mar 2026246 PMAQI
5th Mar 2026347 PMAQI
5th Mar 2026308 PMAQI
5th Mar 2026349 PMAQI
5th Mar 20263210 PMAQI
5th Mar 20263411 PMAQI
6th Mar 20263812 AMAQI
6th Mar 2026351 AMAQI
6th Mar 2026322 AMAQI
6th Mar 2026263 AMAQI
6th Mar 2026334 AMAQI
6th Mar 2026345 AMAQI

23°C20/26°C

6th Mar 2026306 AMAQI
6th Mar 2026367 AMAQI
6th Mar 2026368 AMAQI
6th Mar 2026329 AMAQI
6th Mar 20263510 AMAQI
6th Mar 20263411 AMAQI
6th Mar 20263412 PMAQI
6th Mar 2026381 PMAQI
6th Mar 2026402 PMAQI
6th Mar 2026423 PMAQI
6th Mar 2026384 PMAQI
6th Mar 2026305 PMAQI
6th Mar 2026246 PMAQI
6th Mar 2026367 PMAQI
6th Mar 2026248 PMAQI
6th Mar 2026299 PMAQI
6th Mar 20263010 PMAQI
6th Mar 20263411 PMAQI
7th Mar 20263612 AMAQI
7th Mar 2026331 AMAQI
7th Mar 2026342 AMAQI
7th Mar 2026323 AMAQI
7th Mar 2026324 AMAQI
7th Mar 2026325 AMAQI

22°C21/23°C

7th Mar 2026266 AMAQI
7th Mar 2026247 AMAQI
7th Mar 2026248 AMAQI
7th Mar 2026309 AMAQI
7th Mar 20262610 AMAQI
7th Mar 20263011 AMAQI
7th Mar 20262612 PMAQI
7th Mar 2026281 PMAQI
7th Mar 2026362 PMAQI
7th Mar 2026363 PMAQI
7th Mar 2026614 PMAQI
7th Mar 2026745 PMAQI
7th Mar 2026366 PMAQI
7th Mar 2026347 PMAQI
7th Mar 2026328 PMAQI
7th Mar 2026329 PMAQI
7th Mar 20263510 PMAQI
7th Mar 20263811 PMAQI
8th Mar 20263612 AMAQI
8th Mar 2026361 AMAQI
8th Mar 2026482 AMAQI
8th Mar 2026373 AMAQI
8th Mar 2026394 AMAQI
8th Mar 2026245 AMAQI

21°C20/23°C

8th Mar 2026246 AMAQI
8th Mar 2026227 AMAQI
8th Mar 2026298 AMAQI
8th Mar 2026309 AMAQI
8th Mar 20262810 AMAQI
8th Mar 20262811 AMAQI
8th Mar 20263212 PMAQI
8th Mar 2026341 PMAQI
8th Mar 2026382 PMAQI
8th Mar 2026503 PMAQI
8th Mar 2026424 PMAQI
8th Mar 2026515 PMAQI
8th Mar 2026346 PMAQI
8th Mar 2026407 PMAQI
8th Mar 2026368 PMAQI
8th Mar 2026449 PMAQI
8th Mar 20263910 PMAQI
8th Mar 20264211 PMAQI
9th Mar 20264212 AMAQI
9th Mar 2026411 AMAQI
9th Mar 2026382 AMAQI
9th Mar 2026423 AMAQI
9th Mar 2026384 AMAQI
9th Mar 2026365 AMAQI

21°C19/24°C

9th Mar 2026396 AMAQI
9th Mar 2026367 AMAQI
9th Mar 2026368 AMAQI
9th Mar 2026349 AMAQI
9th Mar 20263710 AMAQI
9th Mar 20264611 AMAQI
9th Mar 20264212 PMAQI
9th Mar 2026441 PMAQI
9th Mar 2026342 PMAQI
9th Mar 2026463 PMAQI
9th Mar 2026524 PMAQI
9th Mar 2026445 PMAQI
9th Mar 2026426 PMAQI
9th Mar 2026327 PMAQI
9th Mar 2026368 PMAQI
9th Mar 2026319 PMAQI
9th Mar 20263410 PMAQI
9th Mar 20263211 PMAQI
10th Mar 20263612 AMAQI
10th Mar 2026321 AMAQI
10th Mar 2026322 AMAQI
10th Mar 2026323 AMAQI
10th Mar 2026284 AMAQI
10th Mar 2026205 AMAQI

21°C19/24°C

10th Mar 2026226 AMAQI
10th Mar 2026267 AMAQI
10th Mar 2026298 AMAQI
10th Mar 2026239 AMAQI
10th Mar 20262810 AMAQI
10th Mar 20262911 AMAQI
10th Mar 20263112 PMAQI
10th Mar 2026281 PMAQI
10th Mar 2026362 PMAQI
10th Mar 2026423 PMAQI
10th Mar 2026444 PMAQI
10th Mar 2026445 PMAQI
10th Mar 2026366 PMAQI
10th Mar 2026307 PMAQI
10th Mar 2026328 PMAQI
10th Mar 2026459 PMAQI
10th Mar 20264210 PMAQI
10th Mar 20263811 PMAQI
11th Mar 20264112 AMAQI
11th Mar 2026341 AMAQI
11th Mar 2026442 AMAQI
11th Mar 2026403 AMAQI
11th Mar 2026284 AMAQI
11th Mar 2026285 AMAQI

21°C19/24°C

11th Mar 2026296 AMAQI
11th Mar 2026317 AMAQI
11th Mar 2026318 AMAQI
11th Mar 2026349 AMAQI
11th Mar 20263010 AMAQI
11th Mar 20263011 AMAQI
11th Mar 20263412 PMAQI
11th Mar 2026421 PMAQI
11th Mar 2026382 PMAQI
11th Mar 2026383 PMAQI
11th Mar 2026464 PMAQI
11th Mar 2026355 PMAQI
11th Mar 2026346 PMAQI
11th Mar 2026287 PMAQI
11th Mar 2026368 PMAQI
11th Mar 2026429 PMAQI
11th Mar 20265510 PMAQI
11th Mar 20264611 PMAQI
12th Mar 20264412 AMAQI
12th Mar 2026481 AMAQI
12th Mar 2026412 AMAQI
12th Mar 2026393 AMAQI
12th Mar 2026304 AMAQI

21°C19/24°C

12th Mar 2026326 AMAQI
6 AM
12th Mar 2026307 AMAQI
12th Mar 2026298 AMAQI
12th Mar 2026319 AMAQI
12th Mar 20263810 AMAQI
12th Mar 20263711 AMAQI
12th Mar 202610312 PMAQI
12 PM
12th Mar 2026441 PMAQI
12th Mar 2026422 PMAQI
12th Mar 2026433 PMAQI
12th Mar 2026464 PMAQI
12th Mar 2026425 PMAQI
12th Mar 2026406 PMAQI
12th Mar 2026387 PMAQI
7 PM
12th Mar 2026418 PMAQI
12th Mar 2026329 PMAQI
12th Mar 20264010 PMAQI
12th Mar 20264211 PMAQI
12 AM
5 AM

22°C20/24°C

Day time
Avg. Highest Time
4 PM

58AQI

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

36AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 PM to 4 PM (Avg. 58), while the lowest AQI was between 6 AM to 6 AM (Avg. 36).
Night time
Avg. Highest Time
10 PM

50AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
4 AM - 5 AM

36AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 10 PM (Avg. 50), while the lowest AQI was between 4 AM to 5 AM (Avg. 36).

2026 Days Vs Air Quality

Buenos Aires, Buenos Aires, Argentina

2026

89%

63

11%

8

Total number of days with different AQI categories in last 72 days in 2026 (293 days remaining)

Good
63 Days
Moderate
8 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 89%

Health Risk Level:

Low

In 2026, 89% of 72 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

Buenos Aires, Buenos Aires, Argentina

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
33AQI (US)
2nd January 2026
47AQI (US)
3rd January 2026
36AQI (US)
4th January 2026
44AQI (US)
5th January 2026
36AQI (US)
6th January 2026
33AQI (US)
7th January 2026
44AQI (US)
8th January 2026
34AQI (US)
9th January 2026
29AQI (US)
10th January 2026
26AQI (US)
11th January 2026
53AQI (US)
12th January 2026
44AQI (US)
13th January 2026
36AQI (US)
14th January 2026
28AQI (US)
15th January 2026
36AQI (US)
16th January 2026
30AQI (US)
17th January 2026
35AQI (US)
18th January 2026
35AQI (US)
19th January 2026
34AQI (US)
20th January 2026
33AQI (US)
21st January 2026
25AQI (US)
22nd January 2026
49AQI (US)
23rd January 2026
52AQI (US)
24th January 2026
45AQI (US)
25th January 2026
49AQI (US)
26th January 2026
45AQI (US)
27th January 2026
41AQI (US)
28th January 2026
44AQI (US)
29th January 2026
47AQI (US)
30th January 2026
49AQI (US)
31st January 2026
44AQI (US)
1st February 2026
46AQI (US)
2nd February 2026
54AQI (US)
3rd February 2026
51AQI (US)
4th February 2026
52AQI (US)
5th February 2026
49AQI (US)
6th February 2026
44AQI (US)
7th February 2026
41AQI (US)
8th February 2026
47AQI (US)
9th February 2026
47AQI (US)
10th February 2026
46AQI (US)
11th February 2026
47AQI (US)
12th February 2026
46AQI (US)
13th February 2026
52AQI (US)
14th February 2026
51AQI (US)
15th February 2026
42AQI (US)
16th February 2026
49AQI (US)
17th February 2026
46AQI (US)
18th February 2026
46AQI (US)
19th February 2026
47AQI (US)
20th February 2026
45AQI (US)
21st February 2026
40AQI (US)
22nd February 2026
33AQI (US)
23rd February 2026
39AQI (US)
24th February 2026
41AQI (US)
25th February 2026
43AQI (US)
26th February 2026
40AQI (US)
27th February 2026
37AQI (US)
28th February 2026
34AQI (US)
1st March 2026
40AQI (US)
2nd March 2026
47AQI (US)
3rd March 2026
44AQI (US)
4th March 2026
59AQI (US)
5th March 2026
38AQI (US)
6th March 2026
33AQI (US)
7th March 2026
34AQI (US)
8th March 2026
36AQI (US)
9th March 2026
39AQI (US)
10th March 2026
33AQI (US)
11th March 2026
36AQI (US)
12th March 2026
41AQI (US)
13th March 2026
14th March 2026
15th March 2026
16th March 2026
17th March 2026
18th March 2026
19th March 2026
20th March 2026
21st March 2026
22nd March 2026
23rd March 2026
24th March 2026
25th March 2026
26th March 2026
27th March 2026
28th March 2026
29th March 2026
30th March 2026
31st March 2026
1st April 2026
2nd April 2026
3rd April 2026
4th April 2026
5th April 2026
6th April 2026
7th April 2026
8th April 2026
9th April 2026
10th April 2026
11th April 2026
12th April 2026
13th April 2026
14th April 2026
15th April 2026
16th April 2026
17th April 2026
18th April 2026
19th April 2026
20th April 2026
21st April 2026
22nd April 2026
23rd April 2026
24th April 2026
25th April 2026
26th April 2026
27th April 2026
28th April 2026
29th April 2026
30th April 2026
1st May 2026
2nd May 2026
3rd May 2026
4th May 2026
5th May 2026
6th May 2026
7th May 2026
8th May 2026
9th May 2026
10th May 2026
11th May 2026
12th May 2026
13th May 2026
14th May 2026
15th May 2026
16th May 2026
17th May 2026
18th May 2026
19th May 2026
20th May 2026
21st May 2026
22nd May 2026
23rd May 2026
24th May 2026
25th May 2026
26th May 2026
27th May 2026
28th May 2026
29th May 2026
30th May 2026
31st May 2026
1st June 2026
2nd June 2026
3rd June 2026
4th June 2026
5th June 2026
6th June 2026
7th June 2026
8th June 2026
9th June 2026
10th June 2026
11th June 2026
12th June 2026
13th June 2026
14th June 2026
15th June 2026
16th June 2026
17th June 2026
18th June 2026
19th June 2026
20th June 2026
21st June 2026
22nd June 2026
23rd June 2026
24th June 2026
25th June 2026
26th June 2026
27th June 2026
28th June 2026
29th June 2026
30th June 2026
1st July 2026
2nd July 2026
3rd July 2026
4th July 2026
5th July 2026
6th July 2026
7th July 2026
8th July 2026
9th July 2026
10th July 2026
11th July 2026
12th July 2026
13th July 2026
14th July 2026
15th July 2026
16th July 2026
17th July 2026
18th July 2026
19th July 2026
20th July 2026
21st July 2026
22nd July 2026
23rd July 2026
24th July 2026
25th July 2026
26th July 2026
27th July 2026
28th July 2026
29th July 2026
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
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

39AQI (US)

45AQI (US)

40AQI (US)

No. of days

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

202642AQI (US)

29
2
23
5
11
1
63
8

Highest AQI (US) recorded in

February

45AQI (US)

Lowest AQI (US) recorded in

January

39AQI (US)

202545AQI (US)

31
26
2
29
2
30
26
5
30
23
8
4
27
17
13
20
11
27
3
14
17
277
88

Highest AQI (US) recorded in

August

59AQI (US)

Lowest AQI (US) recorded in

January

41AQI (US)

202439AQI (US)

14
7
8
1
10
13
1
6
10
17
12
11
20
24
7
19
10
31
30
31
214
68

Highest AQI (US) recorded in

July

54AQI (US)

Lowest AQI (US) recorded in

March

18AQI (US)

202328AQI (US)

4
6
8
3
9
8
10
6
6
1
23
2
83
3

Highest AQI (US) recorded in

November

33AQI (US)

Lowest AQI (US) recorded in

September

21AQI (US)

202218AQI (US)

7
1
8

Highest AQI (US) recorded in

February

20AQI (US)

Lowest AQI (US) recorded in

April

0AQI (US)

20200AQI (US)

10
6
7
15
13
16
14
14
12
15
122

Highest AQI (US) recorded in

March

0AQI (US)

Lowest AQI (US) recorded in

December

0AQI (US)

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
45AQI (US)
Least Polluted Year Recorded
2020(Avg.)
0AQI (US)

Buenos Aires's annual 2026 AQI (US) (42) shows an average percentage change of 56.3% (worsened AQI (US)) compared to previous years: 2020 (0), 2022 (18), 2023 (28), 2024 (39), 2025 (45).