Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

US Embassy, Buenos Aires, Ciudad Autonoma De, 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

US Embassy, Buenos Aires, Ciudad Autonoma De, Argentina

2022
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
4th Mar 2026
59AQI
Lowest AQI recorded on
16th Mar 2022
4AQI

Same Day Analysis (5th March):
On this day, AQI across the 3 years varied significantly: 2026 ranks 2nd highest AQI at 37 of Good air quality, showing improvement over 2025 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 4th Mar - 5th Mar 2026

US Embassy, Buenos Aires, Ciudad Autonoma De, Argentina

AQI
Day
Night
.

6 AM4th Mar 2026

7 PM

5 AM5th Mar 2026

Day time
Avg. Highest Time
9AM4th Mar

146AQI

Avg. Lowest Time
7PM4th Mar

40AQI

Night time
Avg. Highest Time
11PM4th Mar

48AQI

Avg. Lowest Time
4AM5th Mar

30AQI

In the last 24 hours,

US Embassy's AQI reached its highest point of 146 at 9 AM during the Day, while the lowest point, 30, was recorded at 4 AM during the Night between 4th Mar and 5th Mar 2026.

Day & Night AQI Trend : Feb - Mar 2026

US Embassy, Buenos Aires, Ciudad Autonoma De, Argentina

FebMar
04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th
Day
Night
4th Feb 2026426 AMAQI
4th Feb 2026437 AMAQI
4th Feb 2026428 AMAQI
4th Feb 2026449 AMAQI
4th Feb 20264810 AMAQI
4th Feb 20265211 AMAQI
4th Feb 20265312 PMAQI
4th Feb 2026501 PMAQI
4th Feb 2026522 PMAQI
4th Feb 2026503 PMAQI
4th Feb 2026624 PMAQI
4th Feb 2026545 PMAQI
4th Feb 2026456 PMAQI
4th Feb 2026547 PMAQI
4th Feb 2026508 PMAQI
4th Feb 2026549 PMAQI
4th Feb 20266010 PMAQI
4th Feb 20265211 PMAQI
5th Feb 20265212 AMAQI
5th Feb 2026521 AMAQI
5th Feb 2026482 AMAQI
5th Feb 2026423 AMAQI
5th Feb 2026444 AMAQI
5th Feb 2026385 AMAQI

26°C23/30°C

5th Feb 2026356 AMAQI
5th Feb 2026427 AMAQI
5th Feb 2026408 AMAQI
5th Feb 2026419 AMAQI
5th Feb 20264410 AMAQI
5th Feb 20264811 AMAQI
5th Feb 20264812 PMAQI
5th Feb 2026491 PMAQI
5th Feb 2026452 PMAQI
5th Feb 2026503 PMAQI
5th Feb 2026724 PMAQI
5th Feb 2026765 PMAQI
5th Feb 2026476 PMAQI
5th Feb 2026467 PMAQI
5th Feb 2026458 PMAQI
5th Feb 2026709 PMAQI
5th Feb 20267410 PMAQI
5th Feb 20264811 PMAQI
6th Feb 20263912 AMAQI
6th Feb 2026431 AMAQI
6th Feb 2026362 AMAQI
6th Feb 2026343 AMAQI
6th Feb 2026384 AMAQI
6th Feb 2026345 AMAQI

26°C22/32°C

6th Feb 2026386 AMAQI
6th Feb 2026347 AMAQI
6th Feb 2026388 AMAQI
6th Feb 2026359 AMAQI
6th Feb 20264110 AMAQI
6th Feb 20264011 AMAQI
6th Feb 20264512 PMAQI
6th Feb 2026421 PMAQI
6th Feb 2026432 PMAQI
6th Feb 2026393 PMAQI
6th Feb 2026784 PMAQI
6th Feb 2026665 PMAQI
6th Feb 2026366 PMAQI
6th Feb 2026467 PMAQI
6th Feb 2026408 PMAQI
6th Feb 2026549 PMAQI
6th Feb 20266810 PMAQI
6th Feb 20265011 PMAQI
7th Feb 20264612 AMAQI
7th Feb 2026401 AMAQI
7th Feb 2026422 AMAQI
7th Feb 2026413 AMAQI
7th Feb 2026324 AMAQI
7th Feb 2026325 AMAQI

23°C19/28°C

7th Feb 2026326 AMAQI
7th Feb 2026327 AMAQI
7th Feb 2026328 AMAQI
7th Feb 2026379 AMAQI
7th Feb 20263610 AMAQI
7th Feb 20263911 AMAQI
7th Feb 20263912 PMAQI
7th Feb 2026411 PMAQI
7th Feb 2026402 PMAQI
7th Feb 2026363 PMAQI
7th Feb 2026804 PMAQI
7th Feb 2026725 PMAQI
7th Feb 2026406 PMAQI
7th Feb 2026427 PMAQI
7th Feb 2026398 PMAQI
7th Feb 2026489 PMAQI
7th Feb 20264410 PMAQI
7th Feb 20264611 PMAQI
8th Feb 20264012 AMAQI
8th Feb 2026491 AMAQI
8th Feb 2026482 AMAQI
8th Feb 2026463 AMAQI
8th Feb 2026474 AMAQI
8th Feb 2026425 AMAQI

25°C20/30°C

8th Feb 2026386 AMAQI
8th Feb 2026407 AMAQI
8th Feb 2026408 AMAQI
8th Feb 2026449 AMAQI
8th Feb 20264610 AMAQI
8th Feb 20264411 AMAQI
8th Feb 20264712 PMAQI
8th Feb 2026511 PMAQI
8th Feb 2026482 PMAQI
8th Feb 2026403 PMAQI
8th Feb 2026704 PMAQI
8th Feb 2026925 PMAQI
8th Feb 2026426 PMAQI
8th Feb 2026427 PMAQI
8th Feb 2026498 PMAQI
8th Feb 2026509 PMAQI
8th Feb 20264910 PMAQI
8th Feb 20265011 PMAQI
9th Feb 20265012 AMAQI
9th Feb 2026461 AMAQI
9th Feb 2026522 AMAQI
9th Feb 2026523 AMAQI
9th Feb 2026514 AMAQI
9th Feb 2026485 AMAQI

25°C21/29°C

9th Feb 2026446 AMAQI
9th Feb 2026447 AMAQI
9th Feb 2026408 AMAQI
9th Feb 2026449 AMAQI
9th Feb 20264410 AMAQI
9th Feb 20264711 AMAQI
9th Feb 20265112 PMAQI
9th Feb 2026521 PMAQI
9th Feb 2026552 PMAQI
9th Feb 2026503 PMAQI
9th Feb 2026694 PMAQI
9th Feb 2026605 PMAQI
9th Feb 2026426 PMAQI
9th Feb 2026427 PMAQI
9th Feb 2026358 PMAQI
9th Feb 2026389 PMAQI
9th Feb 20264410 PMAQI
9th Feb 20264211 PMAQI
10th Feb 20264012 AMAQI
10th Feb 2026481 AMAQI
10th Feb 2026462 AMAQI
10th Feb 2026413 AMAQI
10th Feb 2026434 AMAQI
10th Feb 2026355 AMAQI

26°C22/31°C

10th Feb 2026406 AMAQI
10th Feb 2026417 AMAQI
10th Feb 2026428 AMAQI
10th Feb 2026449 AMAQI
10th Feb 20264710 AMAQI
10th Feb 20264411 AMAQI
10th Feb 20261912 PMAQI
10th Feb 2026531 PMAQI
10th Feb 2026442 PMAQI
10th Feb 2026423 PMAQI
10th Feb 2026644 PMAQI
10th Feb 2026605 PMAQI
10th Feb 2026426 PMAQI
10th Feb 2026367 PMAQI
10th Feb 2026408 PMAQI
10th Feb 20261019 PMAQI
10th Feb 20267210 PMAQI
10th Feb 20266611 PMAQI
11th Feb 20265112 AMAQI
11th Feb 2026441 AMAQI
11th Feb 2026442 AMAQI
11th Feb 2026443 AMAQI
11th Feb 2026444 AMAQI
11th Feb 2026435 AMAQI

27°C23/31°C

11th Feb 2026426 AMAQI
11th Feb 2026367 AMAQI
11th Feb 2026388 AMAQI
11th Feb 2026389 AMAQI
11th Feb 20264010 AMAQI
11th Feb 20265111 AMAQI
11th Feb 20265112 PMAQI
11th Feb 2026531 PMAQI
11th Feb 2026492 PMAQI
11th Feb 2026473 PMAQI
11th Feb 2026534 PMAQI
11th Feb 2026585 PMAQI
11th Feb 2026326 PMAQI
11th Feb 2026487 PMAQI
11th Feb 2026518 PMAQI
11th Feb 2026559 PMAQI
11th Feb 20265410 PMAQI
11th Feb 20265911 PMAQI
12th Feb 20265012 AMAQI
12th Feb 2026501 AMAQI
12th Feb 2026482 AMAQI
12th Feb 2026503 AMAQI
12th Feb 2026444 AMAQI
12th Feb 2026415 AMAQI

27°C25/30°C

12th Feb 2026406 AMAQI
12th Feb 2026367 AMAQI
12th Feb 2026408 AMAQI
12th Feb 2026399 AMAQI
12th Feb 20264810 AMAQI
12th Feb 20264811 AMAQI
12th Feb 20265212 PMAQI
12th Feb 2026501 PMAQI
12th Feb 2026472 PMAQI
12th Feb 2026473 PMAQI
12th Feb 2026624 PMAQI
12th Feb 2026445 PMAQI
12th Feb 2026466 PMAQI
12th Feb 2026507 PMAQI
12th Feb 2026518 PMAQI
12th Feb 2026569 PMAQI
12th Feb 20267210 PMAQI
12th Feb 20264211 PMAQI
13th Feb 20265012 AMAQI
13th Feb 2026461 AMAQI
13th Feb 2026582 AMAQI
13th Feb 2026543 AMAQI
13th Feb 2026554 AMAQI
13th Feb 2026485 AMAQI

24°C22/26°C

13th Feb 2026476 AMAQI
13th Feb 2026477 AMAQI
13th Feb 2026448 AMAQI
13th Feb 2026469 AMAQI
13th Feb 20265110 AMAQI
13th Feb 20265411 AMAQI
13th Feb 20265612 PMAQI
13th Feb 2026561 PMAQI
13th Feb 2026572 PMAQI
13th Feb 2026573 PMAQI
13th Feb 2026814 PMAQI
13th Feb 2026535 PMAQI
13th Feb 2026516 PMAQI
13th Feb 2026537 PMAQI
13th Feb 2026568 PMAQI
13th Feb 2026679 PMAQI
13th Feb 20266710 PMAQI
13th Feb 20265411 PMAQI
14th Feb 20265412 AMAQI
14th Feb 2026551 AMAQI
14th Feb 2026542 AMAQI
14th Feb 2026523 AMAQI
14th Feb 2026474 AMAQI
14th Feb 2026405 AMAQI

22°C18/26°C

14th Feb 2026406 AMAQI
14th Feb 2026407 AMAQI
14th Feb 2026428 AMAQI
14th Feb 2026439 AMAQI
14th Feb 20264710 AMAQI
14th Feb 20265211 AMAQI
14th Feb 20265212 PMAQI
14th Feb 2026541 PMAQI
14th Feb 2026642 PMAQI
14th Feb 2026583 PMAQI
14th Feb 2026904 PMAQI
14th Feb 2026745 PMAQI
14th Feb 2026686 PMAQI
14th Feb 2026487 PMAQI
14th Feb 2026508 PMAQI
14th Feb 2026449 PMAQI
14th Feb 20264810 PMAQI
14th Feb 20264811 PMAQI
15th Feb 20265212 AMAQI
15th Feb 2026481 AMAQI
15th Feb 2026482 AMAQI
15th Feb 2026513 AMAQI
15th Feb 2026404 AMAQI
15th Feb 2026455 AMAQI

23°C19/27°C

15th Feb 2026366 AMAQI
15th Feb 2026357 AMAQI
15th Feb 2026388 AMAQI
15th Feb 2026339 AMAQI
15th Feb 20263810 AMAQI
15th Feb 20265411 AMAQI
15th Feb 20264912 PMAQI
15th Feb 2026381 PMAQI
15th Feb 2026412 PMAQI
15th Feb 2026453 PMAQI
15th Feb 2026634 PMAQI
15th Feb 2026595 PMAQI
15th Feb 2026306 PMAQI
15th Feb 2026307 PMAQI
15th Feb 2026338 PMAQI
15th Feb 2026359 PMAQI
15th Feb 20264410 PMAQI
15th Feb 20265211 PMAQI
16th Feb 20265212 AMAQI
16th Feb 2026561 AMAQI
16th Feb 2026462 AMAQI
16th Feb 2026403 AMAQI
16th Feb 2026364 AMAQI
16th Feb 2026545 AMAQI

23°C20/25°C

16th Feb 2026626 AMAQI
16th Feb 2026627 AMAQI
16th Feb 2026508 AMAQI
16th Feb 2026329 AMAQI
16th Feb 20264010 AMAQI
16th Feb 20264711 AMAQI
16th Feb 20265412 PMAQI
16th Feb 2026521 PMAQI
16th Feb 2026392 PMAQI
16th Feb 2026403 PMAQI
16th Feb 2026924 PMAQI
16th Feb 2026835 PMAQI
16th Feb 2026586 PMAQI
16th Feb 2026337 PMAQI
16th Feb 2026398 PMAQI
16th Feb 2026379 PMAQI
16th Feb 20265410 PMAQI
16th Feb 20264011 PMAQI
17th Feb 20264212 AMAQI
17th Feb 2026481 AMAQI
17th Feb 2026422 AMAQI
17th Feb 2026383 AMAQI
17th Feb 2026304 AMAQI
17th Feb 2026305 AMAQI

24°C22/27°C

17th Feb 2026316 AMAQI
17th Feb 2026307 AMAQI
17th Feb 2026368 AMAQI
17th Feb 2026369 AMAQI
17th Feb 20264010 AMAQI
17th Feb 20264511 AMAQI
17th Feb 20264712 PMAQI
17th Feb 2026501 PMAQI
17th Feb 2026482 PMAQI
17th Feb 2026663 PMAQI
17th Feb 20261084 PMAQI
17th Feb 2026455 PMAQI
17th Feb 2026526 PMAQI
17th Feb 2026487 PMAQI
17th Feb 2026488 PMAQI
17th Feb 2026709 PMAQI
17th Feb 20265510 PMAQI
17th Feb 20264211 PMAQI
18th Feb 20264312 AMAQI
18th Feb 2026501 AMAQI
18th Feb 2026422 AMAQI
18th Feb 2026423 AMAQI
18th Feb 2026444 AMAQI
18th Feb 2026435 AMAQI

24°C21/27°C

18th Feb 2026366 AMAQI
18th Feb 2026337 AMAQI
18th Feb 2026408 AMAQI
18th Feb 2026389 AMAQI
18th Feb 20264010 AMAQI
18th Feb 20264811 AMAQI
18th Feb 20264612 PMAQI
18th Feb 2026461 PMAQI
18th Feb 2026572 PMAQI
18th Feb 2026523 PMAQI
18th Feb 2026704 PMAQI
18th Feb 2026905 PMAQI
18th Feb 2026486 PMAQI
18th Feb 2026417 PMAQI
18th Feb 2026408 PMAQI
18th Feb 2026389 PMAQI
18th Feb 20267510 PMAQI
18th Feb 20264011 PMAQI
19th Feb 20263412 AMAQI
19th Feb 2026421 AMAQI
19th Feb 2026462 AMAQI
19th Feb 2026423 AMAQI
19th Feb 2026424 AMAQI
19th Feb 2026435 AMAQI

25°C22/29°C

19th Feb 2026446 AMAQI
19th Feb 2026407 AMAQI
19th Feb 2026408 AMAQI
19th Feb 2026369 AMAQI
19th Feb 20263310 AMAQI
19th Feb 20263711 AMAQI
19th Feb 20265312 PMAQI
19th Feb 2026441 PMAQI
19th Feb 2026402 PMAQI
19th Feb 2026473 PMAQI
19th Feb 20261144 PMAQI
19th Feb 2026705 PMAQI
19th Feb 2026376 PMAQI
19th Feb 2026397 PMAQI
19th Feb 2026408 PMAQI
19th Feb 2026619 PMAQI
19th Feb 20266410 PMAQI
19th Feb 20263811 PMAQI
20th Feb 20264012 AMAQI
20th Feb 2026421 AMAQI
20th Feb 2026472 AMAQI
20th Feb 2026463 AMAQI
20th Feb 2026434 AMAQI
20th Feb 2026425 AMAQI

24°C22/27°C

20th Feb 2026386 AMAQI
20th Feb 2026407 AMAQI
20th Feb 2026388 AMAQI
20th Feb 2026429 AMAQI
20th Feb 20264310 AMAQI
20th Feb 20264511 AMAQI
20th Feb 20264412 PMAQI
20th Feb 2026471 PMAQI
20th Feb 2026462 PMAQI
20th Feb 2026413 PMAQI
20th Feb 2026784 PMAQI
20th Feb 2026625 PMAQI
20th Feb 2026466 PMAQI
20th Feb 2026377 PMAQI
20th Feb 2026448 PMAQI
20th Feb 2026369 PMAQI
20th Feb 20265710 PMAQI
20th Feb 20264411 PMAQI
21st Feb 20264012 AMAQI
21st Feb 2026371 AMAQI
21st Feb 2026422 AMAQI
21st Feb 2026403 AMAQI
21st Feb 2026404 AMAQI
21st Feb 2026365 AMAQI

23°C19/26°C

21st Feb 2026306 AMAQI
21st Feb 2026277 AMAQI
21st Feb 2026308 AMAQI
21st Feb 2026319 AMAQI
21st Feb 20262810 AMAQI
21st Feb 20263811 AMAQI
21st Feb 20264312 PMAQI
21st Feb 2026501 PMAQI
21st Feb 2026512 PMAQI
21st Feb 2026363 PMAQI
21st Feb 2026684 PMAQI
21st Feb 2026765 PMAQI
21st Feb 2026346 PMAQI
21st Feb 2026317 PMAQI
21st Feb 2026488 PMAQI
21st Feb 2026509 PMAQI
21st Feb 20266610 PMAQI
21st Feb 20263011 PMAQI
22nd Feb 20262712 AMAQI
22nd Feb 2026301 AMAQI
22nd Feb 2026362 AMAQI
22nd Feb 2026363 AMAQI
22nd Feb 2026344 AMAQI
22nd Feb 2026285 AMAQI

23°C20/26°C

22nd Feb 2026266 AMAQI
22nd Feb 2026247 AMAQI
22nd Feb 2026308 AMAQI
22nd Feb 2026319 AMAQI
22nd Feb 20263010 AMAQI
22nd Feb 20262811 AMAQI
22nd Feb 20262412 PMAQI
22nd Feb 2026271 PMAQI
22nd Feb 2026342 PMAQI
22nd Feb 2026383 PMAQI
22nd Feb 2026604 PMAQI
22nd Feb 2026375 PMAQI
22nd Feb 2026286 PMAQI
22nd Feb 2026307 PMAQI
22nd Feb 2026348 PMAQI
22nd Feb 2026489 PMAQI
22nd Feb 20268110 PMAQI
22nd Feb 20263211 PMAQI
23rd Feb 20263212 AMAQI
23rd Feb 2026281 AMAQI
23rd Feb 2026242 AMAQI
23rd Feb 2026273 AMAQI
23rd Feb 2026334 AMAQI
23rd Feb 2026415 AMAQI

24°C21/27°C

23rd Feb 2026406 AMAQI
23rd Feb 2026387 AMAQI
23rd Feb 2026348 AMAQI
23rd Feb 2026409 AMAQI
23rd Feb 20263610 AMAQI
23rd Feb 20264211 AMAQI
23rd Feb 20264612 PMAQI
23rd Feb 2026431 PMAQI
23rd Feb 2026522 PMAQI
23rd Feb 2026383 PMAQI
23rd Feb 2026464 PMAQI
23rd Feb 2026625 PMAQI
23rd Feb 2026406 PMAQI
23rd Feb 2026447 PMAQI
23rd Feb 2026408 PMAQI
23rd Feb 2026409 PMAQI
23rd Feb 20264310 PMAQI
23rd Feb 20264911 PMAQI
24th Feb 20264512 AMAQI
24th Feb 2026381 AMAQI
24th Feb 2026422 AMAQI
24th Feb 2026423 AMAQI
24th Feb 2026344 AMAQI
24th Feb 2026385 AMAQI

24°C22/27°C

24th Feb 2026396 AMAQI
24th Feb 2026367 AMAQI
24th Feb 2026388 AMAQI
24th Feb 2026409 AMAQI
24th Feb 20264210 AMAQI
24th Feb 20264611 AMAQI
24th Feb 20265212 PMAQI
24th Feb 2026451 PMAQI
24th Feb 2026422 PMAQI
24th Feb 2026303 PMAQI
24th Feb 2026424 PMAQI
24th Feb 2026485 PMAQI
24th Feb 2026326 PMAQI
24th Feb 2026367 PMAQI
24th Feb 2026428 PMAQI
24th Feb 2026529 PMAQI
24th Feb 20264010 PMAQI
24th Feb 20264011 PMAQI
25th Feb 20264412 AMAQI
25th Feb 2026481 AMAQI
25th Feb 2026482 AMAQI
25th Feb 2026483 AMAQI
25th Feb 2026404 AMAQI
25th Feb 2026445 AMAQI

26°C21/32°C

25th Feb 2026406 AMAQI
25th Feb 2026387 AMAQI
25th Feb 2026368 AMAQI
25th Feb 2026329 AMAQI
25th Feb 20263010 AMAQI
25th Feb 20264011 AMAQI
25th Feb 20263812 PMAQI
25th Feb 2026641 PMAQI
25th Feb 2026422 PMAQI
25th Feb 2026403 PMAQI
25th Feb 2026534 PMAQI
25th Feb 2026665 PMAQI
25th Feb 2026426 PMAQI
25th Feb 2026277 PMAQI
25th Feb 2026448 PMAQI
25th Feb 2026499 PMAQI
25th Feb 20264410 PMAQI
25th Feb 20263411 PMAQI
26th Feb 20263812 AMAQI
26th Feb 2026381 AMAQI
26th Feb 2026342 AMAQI
26th Feb 2026323 AMAQI
26th Feb 2026344 AMAQI
26th Feb 2026325 AMAQI

21°C16/25°C

26th Feb 2026566 AMAQI
26th Feb 2026647 AMAQI
26th Feb 2026498 AMAQI
26th Feb 2026339 AMAQI
26th Feb 20263010 AMAQI
26th Feb 20263111 AMAQI
26th Feb 20263612 PMAQI
26th Feb 2026351 PMAQI
26th Feb 2026322 PMAQI
26th Feb 2026333 PMAQI
26th Feb 2026334 PMAQI
26th Feb 2026335 PMAQI
26th Feb 2026836 PMAQI
26th Feb 2026607 PMAQI
26th Feb 2026438 PMAQI
26th Feb 2026369 PMAQI
26th Feb 20263610 PMAQI
26th Feb 20263911 PMAQI
27th Feb 20263412 AMAQI
27th Feb 2026331 AMAQI
27th Feb 2026292 AMAQI
27th Feb 2026343 AMAQI
27th Feb 2026344 AMAQI
27th Feb 2026265 AMAQI

21°C18/24°C

27th Feb 2026306 AMAQI
27th Feb 2026307 AMAQI
27th Feb 2026308 AMAQI
27th Feb 2026529 AMAQI
27th Feb 20262810 AMAQI
27th Feb 20263211 AMAQI
27th Feb 20263212 PMAQI
27th Feb 2026531 PMAQI
27th Feb 2026322 PMAQI
27th Feb 2026333 PMAQI
27th Feb 2026364 PMAQI
27th Feb 2026985 PMAQI
27th Feb 2026446 PMAQI
27th Feb 2026327 PMAQI
27th Feb 2026328 PMAQI
27th Feb 2026319 PMAQI
27th Feb 20263810 PMAQI
27th Feb 20263011 PMAQI
28th Feb 20263112 AMAQI
28th Feb 2026341 AMAQI
28th Feb 2026302 AMAQI
28th Feb 2026273 AMAQI
28th Feb 2026284 AMAQI
28th Feb 2026265 AMAQI

22°C19/25°C

28th Feb 2026306 AMAQI
28th Feb 2026387 AMAQI
28th Feb 2026298 AMAQI
28th Feb 2026269 AMAQI
28th Feb 20263010 AMAQI
28th Feb 20263211 AMAQI
28th Feb 20263612 PMAQI
28th Feb 2026301 PMAQI
28th Feb 2026302 PMAQI
28th Feb 2026323 PMAQI
28th Feb 2026504 PMAQI
28th Feb 2026345 PMAQI
28th Feb 2026456 PMAQI
28th Feb 2026427 PMAQI
28th Feb 2026348 PMAQI
28th Feb 2026289 PMAQI
28th Feb 20263310 PMAQI
28th Feb 20263611 PMAQI
1st Mar 20264212 AMAQI
1st Mar 2026401 AMAQI
1st Mar 2026362 AMAQI
1st Mar 2026333 AMAQI
1st Mar 2026344 AMAQI
1st Mar 2026285 AMAQI

24°C21/28°C

1st Mar 2026306 AMAQI
1st Mar 2026297 AMAQI
1st Mar 2026348 AMAQI
1st Mar 2026329 AMAQI
1st Mar 20263410 AMAQI
1st Mar 20264611 AMAQI
1st Mar 20263512 PMAQI
1st Mar 2026461 PMAQI
1st Mar 2026522 PMAQI
1st Mar 2026443 PMAQI
1st Mar 2026524 PMAQI
1st Mar 2026585 PMAQI
1st Mar 2026426 PMAQI
1st Mar 2026487 PMAQI
1st Mar 2026468 PMAQI
1st Mar 2026449 PMAQI
1st Mar 20264210 PMAQI
1st Mar 20263811 PMAQI
2nd Mar 20263112 AMAQI
2nd Mar 2026421 AMAQI
2nd Mar 2026442 AMAQI
2nd Mar 2026323 AMAQI
2nd Mar 2026314 AMAQI
2nd Mar 2026465 AMAQI

24°C21/28°C

2nd Mar 2026336 AMAQI
2nd Mar 2026367 AMAQI
2nd Mar 2026348 AMAQI
2nd Mar 2026369 AMAQI
2nd Mar 20264210 AMAQI
2nd Mar 20265311 AMAQI
2nd Mar 20265012 PMAQI
2nd Mar 2026521 PMAQI
2nd Mar 2026572 PMAQI
2nd Mar 2026683 PMAQI
2nd Mar 2026564 PMAQI
2nd Mar 2026685 PMAQI
2nd Mar 2026476 PMAQI
2nd Mar 2026427 PMAQI
2nd Mar 2026368 PMAQI
2nd Mar 2026389 PMAQI
2nd Mar 20269510 PMAQI
2nd Mar 20264311 PMAQI
3rd Mar 20263612 AMAQI
3rd Mar 2026421 AMAQI
3rd Mar 2026352 AMAQI
3rd Mar 2026363 AMAQI
3rd Mar 2026384 AMAQI
3rd Mar 2026435 AMAQI

24°C20/28°C

3rd Mar 2026366 AMAQI
3rd Mar 2026467 AMAQI
3rd Mar 2026408 AMAQI
3rd Mar 2026429 AMAQI
3rd Mar 20264410 AMAQI
3rd Mar 20264211 AMAQI
3rd Mar 20265312 PMAQI
3rd Mar 2026481 PMAQI
3rd Mar 2026422 PMAQI
3rd Mar 2026443 PMAQI
3rd Mar 2026444 PMAQI
3rd Mar 2026485 PMAQI
3rd Mar 2026446 PMAQI
3rd Mar 2026467 PMAQI
3rd Mar 2026448 PMAQI
3rd Mar 2026449 PMAQI
3rd Mar 20265410 PMAQI
3rd Mar 20267111 PMAQI
4th Mar 20264512 AMAQI
4th Mar 2026381 AMAQI
4th Mar 2026362 AMAQI
4th Mar 2026393 AMAQI
4th Mar 2026584 AMAQI
4th Mar 2026875 AMAQI

24°C22/28°C

4th Mar 2026906 AMAQI
4th Mar 2026927 AMAQI
4th Mar 20261328 AMAQI
4th Mar 20261469 AMAQI
4th Mar 20268210 AMAQI
4th Mar 20264711 AMAQI
4th Mar 20264812 PMAQI
4th Mar 2026481 PMAQI
4th Mar 2026402 PMAQI
4th Mar 2026453 PMAQI
4th Mar 2026424 PMAQI
4th Mar 2026435 PMAQI
4th Mar 2026466 PMAQI
4th Mar 2026407 PMAQI
4th Mar 2026368 PMAQI
4th Mar 2026409 PMAQI
4th Mar 20263710 PMAQI
4th Mar 20264811 PMAQI
5th Mar 20264712 AMAQI
5th Mar 2026481 AMAQI
5th Mar 2026402 AMAQI
5th Mar 2026323 AMAQI
5th Mar 2026304 AMAQI
5th Mar 2026325 AMAQI

25°C21/29°C

5th Mar 2026346 AMAQI
6 AM
5th Mar 2026367 AMAQI
5th Mar 2026388 AMAQI
5th Mar 2026389 AMAQI
5th Mar 20264510 AMAQI
5th Mar 20264411 AMAQI
5th Mar 20264412 PMAQI
12 PM
5th Mar 2026361 PMAQI
5th Mar 2026442 PMAQI
5th Mar 2026423 PMAQI
5th Mar 2026344 PMAQI
5th Mar 2026335 PMAQI
5th Mar 2026236 PMAQI
5th Mar 2026347 PMAQI
7 PM
5th Mar 2026308 PMAQI
5th Mar 2026339 PMAQI
5th Mar 20263210 PMAQI
5th Mar 20263611 PMAQI
12 AM
5 AM

23°C20/26°C

Day time
Avg. Highest Time
4 PM

64AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
6 AM - 10 AM

41AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 PM to 4 PM (Avg. 64), while the lowest AQI was between 6 AM to 10 AM (Avg. 41).
Night time
Avg. Highest Time
10 PM

55AQI

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

40AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 10 PM (Avg. 55), while the lowest AQI was between 3 AM to 5 AM (Avg. 40).

2026 Days Vs Air Quality

US Embassy, Buenos Aires, Ciudad Autonoma De, Argentina

2026

88%

56

13%

8

Total number of days with different AQI categories in last 65 days in 2026 (300 days remaining)

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

Under WHO’s Safe Air Quality Limits: 88%

Health Risk Level:

Low

In 2026, 88% of 65 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

US Embassy, Buenos Aires, Ciudad Autonoma De, 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
34AQI (US)
2nd January 2026
47AQI (US)
3rd January 2026
36AQI (US)
4th January 2026
45AQI (US)
5th January 2026
36AQI (US)
6th January 2026
33AQI (US)
7th January 2026
45AQI (US)
8th January 2026
35AQI (US)
9th January 2026
30AQI (US)
10th January 2026
27AQI (US)
11th January 2026
54AQI (US)
12th January 2026
45AQI (US)
13th January 2026
37AQI (US)
14th January 2026
29AQI (US)
15th January 2026
37AQI (US)
16th January 2026
31AQI (US)
17th January 2026
35AQI (US)
18th January 2026
35AQI (US)
19th January 2026
34AQI (US)
20th January 2026
34AQI (US)
21st January 2026
26AQI (US)
22nd January 2026
50AQI (US)
23rd January 2026
53AQI (US)
24th January 2026
47AQI (US)
25th January 2026
49AQI (US)
26th January 2026
46AQI (US)
27th January 2026
41AQI (US)
28th January 2026
45AQI (US)
29th January 2026
45AQI (US)
30th January 2026
49AQI (US)
31st January 2026
45AQI (US)
1st February 2026
46AQI (US)
2nd February 2026
54AQI (US)
3rd February 2026
51AQI (US)
4th February 2026
51AQI (US)
5th February 2026
50AQI (US)
6th February 2026
44AQI (US)
7th February 2026
42AQI (US)
8th February 2026
48AQI (US)
9th February 2026
48AQI (US)
10th February 2026
48AQI (US)
11th February 2026
47AQI (US)
12th February 2026
48AQI (US)
13th February 2026
54AQI (US)
14th February 2026
53AQI (US)
15th February 2026
43AQI (US)
16th February 2026
50AQI (US)
17th February 2026
47AQI (US)
18th February 2026
48AQI (US)
19th February 2026
47AQI (US)
20th February 2026
45AQI (US)
21st February 2026
42AQI (US)
22nd February 2026
35AQI (US)
23rd February 2026
40AQI (US)
24th February 2026
41AQI (US)
25th February 2026
43AQI (US)
26th February 2026
40AQI (US)
27th February 2026
37AQI (US)
28th February 2026
33AQI (US)
1st March 2026
40AQI (US)
2nd March 2026
46AQI (US)
3rd March 2026
44AQI (US)
4th March 2026
59AQI (US)
5th March 2026
37AQI (US)
6th March 2026
7th March 2026
8th March 2026
9th March 2026
10th March 2026
11th March 2026
12th March 2026
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

40AQI (US)

46AQI (US)

45AQI (US)

No. of days

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

202643AQI (US)

29
2
23
5
4
1
56
8

Highest AQI (US) recorded in

February

46AQI (US)

Lowest AQI (US) recorded in

January

40AQI (US)

202547AQI (US)

29
2
12
16
25
6
22
8
19
12
18
12
17
14
4
27
18
12
21
10
28
2
14
17
227
138

Highest AQI (US) recorded in

August

60AQI (US)

Lowest AQI (US) recorded in

October

41AQI (US)

202444AQI (US)

12
4
2
10
16
14
9
22
25
6
15
14
28
3
30
31
168
73

Highest AQI (US) recorded in

July

55AQI (US)

Lowest AQI (US) recorded in

November

35AQI (US)

202329AQI (US)

3
31
34

Highest AQI (US) recorded in

November

37AQI (US)

Lowest AQI (US) recorded in

December

28AQI (US)

202223AQI (US)

25
2
8
1
9
42
3

Highest AQI (US) recorded in

February

25AQI (US)

Lowest AQI (US) recorded in

March

18AQI (US)

202136AQI (US)

5
1
12
7
19
6
1
1
5
4
11
18
3
18
1
19
1
108
24

Highest AQI (US) recorded in

July

58AQI (US)

Lowest AQI (US) recorded in

November

28AQI (US)

202035AQI (US)

1
1
14
16
1
1
15
1
20
13
64
18
1

Highest AQI (US) recorded in

August

52AQI (US)

Lowest AQI (US) recorded in

September

13AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
47AQI (US)
Least Polluted Year Recorded
2022(Avg.)
23AQI (US)

US Embassy's annual 2026 AQI (US) (43) shows an average percentage change of 27.6% (worsened AQI (US)) compared to previous years: 2020 (35), 2021 (36), 2022 (23), 2023 (29), 2024 (44), 2025 (47).