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HistoryAQIPM2.5PM10COSO2NO2O3

79 25 de Mayo, Caseros, 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

79 25 de Mayo, Caseros, Buenos Aires, Argentina

2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
2nd Mar 2023
71AQI
Lowest AQI recorded on
21st Mar 2023
5AQI

Same Day Analysis (9th March):
On this day, AQI across the 4 years varied significantly: 2026 ranks 2nd highest AQI at 39 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: 8th Mar - 9th Mar 2026

79 25 de Mayo, Caseros, Buenos Aires, Argentina

AQI
Day
Night
.

6 AM8th Mar 2026

7 PM

5 AM9th Mar 2026

Day time
Avg. Highest Time
5PM8th Mar

52AQI

Avg. Lowest Time
10AM8th Mar

24AQI

Night time
Avg. Highest Time
9PM8th Mar

45AQI

Avg. Lowest Time
5AM9th Mar

36AQI

In the last 24 hours,

79 25 de Mayo's AQI reached its highest point of 52 at 5 PM during the Day, while the lowest point, 24, was recorded at 10 AM during the Day between 8th Mar and 9th Mar 2026.

Day & Night AQI Trend : Feb - Mar 2026

79 25 de Mayo, Caseros, Buenos Aires, Argentina

FebMar
08th - 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 - 06th06th - 07th07th - 08th08th - 09th09th
Day
Night
8th Feb 2026366 AMAQI
8th Feb 2026427 AMAQI
8th Feb 2026388 AMAQI
8th Feb 2026429 AMAQI
8th Feb 20264210 AMAQI
8th Feb 20263811 AMAQI
8th Feb 20264612 PMAQI
8th Feb 2026501 PMAQI
8th Feb 2026512 PMAQI
8th Feb 2026423 PMAQI
8th Feb 2026764 PMAQI
8th Feb 2026905 PMAQI
8th Feb 2026416 PMAQI
8th Feb 2026487 PMAQI
8th Feb 2026508 PMAQI
8th Feb 2026479 PMAQI
8th Feb 20264810 PMAQI
8th Feb 20264611 PMAQI
9th Feb 20264812 AMAQI
9th Feb 2026461 AMAQI
9th Feb 2026522 AMAQI
9th Feb 2026493 AMAQI
9th Feb 2026484 AMAQI
9th Feb 2026475 AMAQI

26°C21/32°C

9th Feb 2026406 AMAQI
9th Feb 2026407 AMAQI
9th Feb 2026408 AMAQI
9th Feb 2026499 AMAQI
9th Feb 20264410 AMAQI
9th Feb 20264611 AMAQI
9th Feb 20265012 PMAQI
9th Feb 2026521 PMAQI
9th Feb 2026562 PMAQI
9th Feb 2026513 PMAQI
9th Feb 2026714 PMAQI
9th Feb 2026625 PMAQI
9th Feb 2026426 PMAQI
9th Feb 2026427 PMAQI
9th Feb 2026348 PMAQI
9th Feb 2026389 PMAQI
9th Feb 20264210 PMAQI
9th Feb 20264011 PMAQI
10th Feb 20263612 AMAQI
10th Feb 2026441 AMAQI
10th Feb 2026422 AMAQI
10th Feb 2026383 AMAQI
10th Feb 2026424 AMAQI
10th Feb 2026325 AMAQI

27°C22/34°C

10th Feb 2026346 AMAQI
10th Feb 2026377 AMAQI
10th Feb 2026428 AMAQI
10th Feb 2026409 AMAQI
10th Feb 20264410 AMAQI
10th Feb 20264411 AMAQI
10th Feb 20261912 PMAQI
10th Feb 2026491 PMAQI
10th Feb 2026422 PMAQI
10th Feb 2026403 PMAQI
10th Feb 2026624 PMAQI
10th Feb 2026585 PMAQI
10th Feb 2026446 PMAQI
10th Feb 2026347 PMAQI
10th Feb 2026388 PMAQI
10th Feb 20261029 PMAQI
10th Feb 20266610 PMAQI
10th Feb 20266411 PMAQI
11th Feb 20265212 AMAQI
11th Feb 2026421 AMAQI
11th Feb 2026442 AMAQI
11th Feb 2026473 AMAQI
11th Feb 2026444 AMAQI
11th Feb 2026405 AMAQI

28°C22/34°C

11th Feb 2026366 AMAQI
11th Feb 2026387 AMAQI
11th Feb 2026358 AMAQI
11th Feb 2026369 AMAQI
11th Feb 20264010 AMAQI
11th Feb 20264911 AMAQI
11th Feb 20265012 PMAQI
11th Feb 2026521 PMAQI
11th Feb 2026442 PMAQI
11th Feb 2026503 PMAQI
11th Feb 2026524 PMAQI
11th Feb 2026625 PMAQI
11th Feb 2026336 PMAQI
11th Feb 2026487 PMAQI
11th Feb 2026518 PMAQI
11th Feb 2026529 PMAQI
11th Feb 20265310 PMAQI
11th Feb 20265611 PMAQI
12th Feb 20264812 AMAQI
12th Feb 2026501 AMAQI
12th Feb 2026452 AMAQI
12th Feb 2026443 AMAQI
12th Feb 2026364 AMAQI
12th Feb 2026325 AMAQI

28°C22/32°C

12th Feb 2026316 AMAQI
12th Feb 2026307 AMAQI
12th Feb 2026408 AMAQI
12th Feb 2026399 AMAQI
12th Feb 20264010 AMAQI
12th Feb 20264211 AMAQI
12th Feb 20264712 PMAQI
12th Feb 2026521 PMAQI
12th Feb 2026462 PMAQI
12th Feb 2026413 PMAQI
12th Feb 2026604 PMAQI
12th Feb 2026445 PMAQI
12th Feb 2026446 PMAQI
12th Feb 2026527 PMAQI
12th Feb 2026488 PMAQI
12th Feb 2026559 PMAQI
12th Feb 20267210 PMAQI
12th Feb 20264211 PMAQI
13th Feb 20264712 AMAQI
13th Feb 2026491 AMAQI
13th Feb 2026462 AMAQI
13th Feb 2026503 AMAQI
13th Feb 2026524 AMAQI
13th Feb 2026445 AMAQI

25°C22/29°C

13th Feb 2026436 AMAQI
13th Feb 2026407 AMAQI
13th Feb 2026388 AMAQI
13th Feb 2026449 AMAQI
13th Feb 20264610 AMAQI
13th Feb 20265411 AMAQI
13th Feb 20265412 PMAQI
13th Feb 2026541 PMAQI
13th Feb 2026562 PMAQI
13th Feb 2026563 PMAQI
13th Feb 2026744 PMAQI
13th Feb 2026555 PMAQI
13th Feb 2026516 PMAQI
13th Feb 2026507 PMAQI
13th Feb 2026548 PMAQI
13th Feb 2026669 PMAQI
13th Feb 20266810 PMAQI
13th Feb 20265411 PMAQI
14th Feb 20265512 AMAQI
14th Feb 2026521 AMAQI
14th Feb 2026502 AMAQI
14th Feb 2026473 AMAQI
14th Feb 2026464 AMAQI
14th Feb 2026345 AMAQI

22°C17/28°C

14th Feb 2026376 AMAQI
14th Feb 2026397 AMAQI
14th Feb 2026368 AMAQI
14th Feb 2026389 AMAQI
14th Feb 20264610 AMAQI
14th Feb 20264811 AMAQI
14th Feb 20265112 PMAQI
14th Feb 2026511 PMAQI
14th Feb 2026622 PMAQI
14th Feb 2026603 PMAQI
14th Feb 2026844 PMAQI
14th Feb 2026745 PMAQI
14th Feb 2026626 PMAQI
14th Feb 2026477 PMAQI
14th Feb 2026508 PMAQI
14th Feb 2026419 PMAQI
14th Feb 20264510 PMAQI
14th Feb 20264711 PMAQI
15th Feb 20264512 AMAQI
15th Feb 2026481 AMAQI
15th Feb 2026502 AMAQI
15th Feb 2026503 AMAQI
15th Feb 2026444 AMAQI
15th Feb 2026465 AMAQI

23°C18/29°C

15th Feb 2026366 AMAQI
15th Feb 2026367 AMAQI
15th Feb 2026378 AMAQI
15th Feb 2026349 AMAQI
15th Feb 20263410 AMAQI
15th Feb 20265211 AMAQI
15th Feb 20264012 PMAQI
15th Feb 2026351 PMAQI
15th Feb 2026372 PMAQI
15th Feb 2026423 PMAQI
15th Feb 2026604 PMAQI
15th Feb 2026595 PMAQI
15th Feb 2026306 PMAQI
15th Feb 2026307 PMAQI
15th Feb 2026318 PMAQI
15th Feb 2026349 PMAQI
15th Feb 20264010 PMAQI
15th Feb 20265311 PMAQI
16th Feb 20265412 AMAQI
16th Feb 2026541 AMAQI
16th Feb 2026422 AMAQI
16th Feb 2026383 AMAQI
16th Feb 2026384 AMAQI
16th Feb 2026555 AMAQI

23°C19/27°C

16th Feb 2026606 AMAQI
16th Feb 2026577 AMAQI
16th Feb 2026478 AMAQI
16th Feb 2026339 AMAQI
16th Feb 20263810 AMAQI
16th Feb 20265011 AMAQI
16th Feb 20265212 PMAQI
16th Feb 2026441 PMAQI
16th Feb 2026402 PMAQI
16th Feb 2026403 PMAQI
16th Feb 2026964 PMAQI
16th Feb 2026765 PMAQI
16th Feb 2026566 PMAQI
16th Feb 2026327 PMAQI
16th Feb 2026348 PMAQI
16th Feb 2026369 PMAQI
16th Feb 20265610 PMAQI
16th Feb 20263611 PMAQI
17th Feb 20264212 AMAQI
17th Feb 2026461 AMAQI
17th Feb 2026432 AMAQI
17th Feb 2026403 AMAQI
17th Feb 2026294 AMAQI
17th Feb 2026295 AMAQI

25°C21/30°C

17th Feb 2026266 AMAQI
17th Feb 2026267 AMAQI
17th Feb 2026308 AMAQI
17th Feb 2026359 AMAQI
17th Feb 20263810 AMAQI
17th Feb 20264011 AMAQI
17th Feb 20264212 PMAQI
17th Feb 2026471 PMAQI
17th Feb 2026502 PMAQI
17th Feb 2026623 PMAQI
17th Feb 20261124 PMAQI
17th Feb 2026445 PMAQI
17th Feb 2026526 PMAQI
17th Feb 2026477 PMAQI
17th Feb 2026488 PMAQI
17th Feb 2026669 PMAQI
17th Feb 20265510 PMAQI
17th Feb 20264411 PMAQI
18th Feb 20264412 AMAQI
18th Feb 2026501 AMAQI
18th Feb 2026432 AMAQI
18th Feb 2026443 AMAQI
18th Feb 2026404 AMAQI
18th Feb 2026425 AMAQI

25°C21/30°C

18th Feb 2026346 AMAQI
18th Feb 2026347 AMAQI
18th Feb 2026408 AMAQI
18th Feb 2026389 AMAQI
18th Feb 20263810 AMAQI
18th Feb 20264411 AMAQI
18th Feb 20264412 PMAQI
18th Feb 2026461 PMAQI
18th Feb 2026592 PMAQI
18th Feb 2026503 PMAQI
18th Feb 2026644 PMAQI
18th Feb 2026895 PMAQI
18th Feb 2026476 PMAQI
18th Feb 2026407 PMAQI
18th Feb 2026368 PMAQI
18th Feb 2026399 PMAQI
18th Feb 20267510 PMAQI
18th Feb 20263811 PMAQI
19th Feb 20263612 AMAQI
19th Feb 2026451 AMAQI
19th Feb 2026422 AMAQI
19th Feb 2026443 AMAQI
19th Feb 2026404 AMAQI
19th Feb 2026455 AMAQI

26°C22/32°C

19th Feb 2026466 AMAQI
19th Feb 2026437 AMAQI
19th Feb 2026368 AMAQI
19th Feb 2026369 AMAQI
19th Feb 20263210 AMAQI
19th Feb 20263611 AMAQI
19th Feb 20265412 PMAQI
19th Feb 2026451 PMAQI
19th Feb 2026382 PMAQI
19th Feb 2026493 PMAQI
19th Feb 20261104 PMAQI
19th Feb 2026725 PMAQI
19th Feb 2026366 PMAQI
19th Feb 2026447 PMAQI
19th Feb 2026418 PMAQI
19th Feb 2026589 PMAQI
19th Feb 20266410 PMAQI
19th Feb 20264011 PMAQI
20th Feb 20264012 AMAQI
20th Feb 2026441 AMAQI
20th Feb 2026482 AMAQI
20th Feb 2026393 AMAQI
20th Feb 2026414 AMAQI
20th Feb 2026365 AMAQI

25°C22/30°C

20th Feb 2026336 AMAQI
20th Feb 2026397 AMAQI
20th Feb 2026388 AMAQI
20th Feb 2026449 AMAQI
20th Feb 20263810 AMAQI
20th Feb 20264411 AMAQI
20th Feb 20264412 PMAQI
20th Feb 2026461 PMAQI
20th Feb 2026452 PMAQI
20th Feb 2026383 PMAQI
20th Feb 2026804 PMAQI
20th Feb 2026625 PMAQI
20th Feb 2026476 PMAQI
20th Feb 2026367 PMAQI
20th Feb 2026408 PMAQI
20th Feb 2026369 PMAQI
20th Feb 20265610 PMAQI
20th Feb 20264111 PMAQI
21st Feb 20263812 AMAQI
21st Feb 2026341 AMAQI
21st Feb 2026332 AMAQI
21st Feb 2026303 AMAQI
21st Feb 2026364 AMAQI
21st Feb 2026345 AMAQI

23°C18/29°C

21st Feb 2026336 AMAQI
21st Feb 2026267 AMAQI
21st Feb 2026328 AMAQI
21st Feb 2026349 AMAQI
21st Feb 20262610 AMAQI
21st Feb 20263411 AMAQI
21st Feb 20263312 PMAQI
21st Feb 2026421 PMAQI
21st Feb 2026542 PMAQI
21st Feb 2026403 PMAQI
21st Feb 2026664 PMAQI
21st Feb 2026745 PMAQI
21st Feb 2026366 PMAQI
21st Feb 2026307 PMAQI
21st Feb 2026488 PMAQI
21st Feb 2026479 PMAQI
21st Feb 20266410 PMAQI
21st Feb 20263411 PMAQI
22nd Feb 20262512 AMAQI
22nd Feb 2026301 AMAQI
22nd Feb 2026322 AMAQI
22nd Feb 2026323 AMAQI
22nd Feb 2026304 AMAQI
22nd Feb 2026265 AMAQI

24°C19/29°C

22nd Feb 2026236 AMAQI
22nd Feb 2026237 AMAQI
22nd Feb 2026298 AMAQI
22nd Feb 2026309 AMAQI
22nd Feb 20262810 AMAQI
22nd Feb 20262611 AMAQI
22nd Feb 20262212 PMAQI
22nd Feb 2026241 PMAQI
22nd Feb 2026322 PMAQI
22nd Feb 2026403 PMAQI
22nd Feb 2026604 PMAQI
22nd Feb 2026365 PMAQI
22nd Feb 2026306 PMAQI
22nd Feb 2026307 PMAQI
22nd Feb 2026348 PMAQI
22nd Feb 2026469 PMAQI
22nd Feb 20268010 PMAQI
22nd Feb 20263211 PMAQI
23rd Feb 20263112 AMAQI
23rd Feb 2026261 AMAQI
23rd Feb 2026182 AMAQI
23rd Feb 2026243 AMAQI
23rd Feb 2026304 AMAQI
23rd Feb 2026385 AMAQI

24°C20/29°C

23rd Feb 2026406 AMAQI
23rd Feb 2026387 AMAQI
23rd Feb 2026338 AMAQI
23rd Feb 2026329 AMAQI
23rd Feb 20263710 AMAQI
23rd Feb 20263511 AMAQI
23rd Feb 20264412 PMAQI
23rd Feb 2026441 PMAQI
23rd Feb 2026502 PMAQI
23rd Feb 2026403 PMAQI
23rd Feb 2026444 PMAQI
23rd Feb 2026625 PMAQI
23rd Feb 2026446 PMAQI
23rd Feb 2026467 PMAQI
23rd Feb 2026388 PMAQI
23rd Feb 2026429 PMAQI
23rd Feb 20264610 PMAQI
23rd Feb 20265011 PMAQI
24th Feb 20264412 AMAQI
24th Feb 2026381 AMAQI
24th Feb 2026472 AMAQI
24th Feb 2026403 AMAQI
24th Feb 2026364 AMAQI
24th Feb 2026405 AMAQI

24°C22/29°C

24th Feb 2026406 AMAQI
24th Feb 2026357 AMAQI
24th Feb 2026368 AMAQI
24th Feb 2026369 AMAQI
24th Feb 20264310 AMAQI
24th Feb 20264811 AMAQI
24th Feb 20264812 PMAQI
24th Feb 2026441 PMAQI
24th Feb 2026422 PMAQI
24th Feb 2026323 PMAQI
24th Feb 2026424 PMAQI
24th Feb 2026465 PMAQI
24th Feb 2026286 PMAQI
24th Feb 2026367 PMAQI
24th Feb 2026408 PMAQI
24th Feb 2026529 PMAQI
24th Feb 20263710 PMAQI
24th Feb 20264211 PMAQI
25th Feb 20264412 AMAQI
25th Feb 2026491 AMAQI
25th Feb 2026422 AMAQI
25th Feb 2026443 AMAQI
25th Feb 2026424 AMAQI
25th Feb 2026415 AMAQI

27°C21/34°C

25th Feb 2026406 AMAQI
25th Feb 2026427 AMAQI
25th Feb 2026328 AMAQI
25th Feb 2026349 AMAQI
25th Feb 20263410 AMAQI
25th Feb 20263911 AMAQI
25th Feb 20263812 PMAQI
25th Feb 2026621 PMAQI
25th Feb 2026442 PMAQI
25th Feb 2026423 PMAQI
25th Feb 2026544 PMAQI
25th Feb 2026625 PMAQI
25th Feb 2026446 PMAQI
25th Feb 2026287 PMAQI
25th Feb 2026428 PMAQI
25th Feb 2026499 PMAQI
25th Feb 20264610 PMAQI
25th Feb 20263311 PMAQI
26th Feb 20263812 AMAQI
26th Feb 2026391 AMAQI
26th Feb 2026322 AMAQI
26th Feb 2026303 AMAQI
26th Feb 2026324 AMAQI
26th Feb 2026315 AMAQI

21°C15/27°C

26th Feb 2026536 AMAQI
26th Feb 2026647 AMAQI
26th Feb 2026488 AMAQI
26th Feb 2026309 AMAQI
26th Feb 20262910 AMAQI
26th Feb 20263111 AMAQI
26th Feb 20263412 PMAQI
26th Feb 2026341 PMAQI
26th Feb 2026282 PMAQI
26th Feb 2026333 PMAQI
26th Feb 2026354 PMAQI
26th Feb 2026365 PMAQI
26th Feb 2026726 PMAQI
26th Feb 2026567 PMAQI
26th Feb 2026448 PMAQI
26th Feb 2026319 PMAQI
26th Feb 20263510 PMAQI
26th Feb 20263711 PMAQI
27th Feb 20263412 AMAQI
27th Feb 2026341 AMAQI
27th Feb 2026302 AMAQI
27th Feb 2026323 AMAQI
27th Feb 2026324 AMAQI
27th Feb 2026255 AMAQI

22°C17/26°C

27th Feb 2026306 AMAQI
27th Feb 2026307 AMAQI
27th Feb 2026318 AMAQI
27th Feb 2026489 AMAQI
27th Feb 20262810 AMAQI
27th Feb 20263311 AMAQI
27th Feb 20263412 PMAQI
27th Feb 2026521 PMAQI
27th Feb 2026342 PMAQI
27th Feb 2026323 PMAQI
27th Feb 2026354 PMAQI
27th Feb 2026945 PMAQI
27th Feb 2026446 PMAQI
27th Feb 2026307 PMAQI
27th Feb 2026328 PMAQI
27th Feb 2026289 PMAQI
27th Feb 20263810 PMAQI
27th Feb 20263011 PMAQI
28th Feb 20263212 AMAQI
28th Feb 2026321 AMAQI
28th Feb 2026302 AMAQI
28th Feb 2026283 AMAQI
28th Feb 2026294 AMAQI
28th Feb 2026275 AMAQI

23°C19/27°C

28th Feb 2026276 AMAQI
28th Feb 2026387 AMAQI
28th Feb 2026308 AMAQI
28th Feb 2026269 AMAQI
28th Feb 20263110 AMAQI
28th Feb 20263211 AMAQI
28th Feb 20263212 PMAQI
28th Feb 2026301 PMAQI
28th Feb 2026302 PMAQI
28th Feb 2026353 PMAQI
28th Feb 2026514 PMAQI
28th Feb 2026345 PMAQI
28th Feb 2026426 PMAQI
28th Feb 2026427 PMAQI
28th Feb 2026368 PMAQI
28th Feb 2026269 PMAQI
28th Feb 20263610 PMAQI
28th Feb 20263711 PMAQI
1st Mar 20264012 AMAQI
1st Mar 2026381 AMAQI
1st Mar 2026342 AMAQI
1st Mar 2026333 AMAQI
1st Mar 2026314 AMAQI
1st Mar 2026305 AMAQI

24°C20/30°C

1st Mar 2026296 AMAQI
1st Mar 2026287 AMAQI
1st Mar 2026318 AMAQI
1st Mar 2026309 AMAQI
1st Mar 20263510 AMAQI
1st Mar 20264711 AMAQI
1st Mar 20263412 PMAQI
1st Mar 2026511 PMAQI
1st Mar 2026502 PMAQI
1st Mar 2026423 PMAQI
1st Mar 2026544 PMAQI
1st Mar 2026595 PMAQI
1st Mar 2026446 PMAQI
1st Mar 2026487 PMAQI
1st Mar 2026468 PMAQI
1st Mar 2026429 PMAQI
1st Mar 20264210 PMAQI
1st Mar 20263911 PMAQI
2nd Mar 20263212 AMAQI
2nd Mar 2026441 AMAQI
2nd Mar 2026422 AMAQI
2nd Mar 2026323 AMAQI
2nd Mar 2026324 AMAQI
2nd Mar 2026465 AMAQI

25°C21/31°C

2nd Mar 2026386 AMAQI
2nd Mar 2026387 AMAQI
2nd Mar 2026348 AMAQI
2nd Mar 2026389 AMAQI
2nd Mar 20264210 AMAQI
2nd Mar 20265011 AMAQI
2nd Mar 20264812 PMAQI
2nd Mar 2026501 PMAQI
2nd Mar 2026572 PMAQI
2nd Mar 2026653 PMAQI
2nd Mar 2026624 PMAQI
2nd Mar 2026695 PMAQI
2nd Mar 2026486 PMAQI
2nd Mar 2026447 PMAQI
2nd Mar 2026388 PMAQI
2nd Mar 2026409 PMAQI
2nd Mar 20269610 PMAQI
2nd Mar 20264211 PMAQI
3rd Mar 20263612 AMAQI
3rd Mar 2026461 AMAQI
3rd Mar 2026402 AMAQI
3rd Mar 2026353 AMAQI
3rd Mar 2026374 AMAQI
3rd Mar 2026375 AMAQI

25°C20/31°C

3rd Mar 2026346 AMAQI
3rd Mar 2026407 AMAQI
3rd Mar 2026398 AMAQI
3rd Mar 2026389 AMAQI
3rd Mar 20264010 AMAQI
3rd Mar 20263811 AMAQI
3rd Mar 20265112 PMAQI
3rd Mar 2026461 PMAQI
3rd Mar 2026422 PMAQI
3rd Mar 2026403 PMAQI
3rd Mar 2026404 PMAQI
3rd Mar 2026445 PMAQI
3rd Mar 2026446 PMAQI
3rd Mar 2026437 PMAQI
3rd Mar 2026458 PMAQI
3rd Mar 2026469 PMAQI
3rd Mar 20265510 PMAQI
3rd Mar 20267011 PMAQI
4th Mar 20264212 AMAQI
4th Mar 2026381 AMAQI
4th Mar 2026382 AMAQI
4th Mar 2026373 AMAQI
4th Mar 2026564 AMAQI
4th Mar 2026955 AMAQI

25°C22/31°C

4th Mar 2026876 AMAQI
4th Mar 20261007 AMAQI
4th Mar 20261408 AMAQI
4th Mar 20261449 AMAQI
4th Mar 20268010 AMAQI
4th Mar 20264311 AMAQI
4th Mar 20264412 PMAQI
4th Mar 2026461 PMAQI
4th Mar 2026412 PMAQI
4th Mar 2026443 PMAQI
4th Mar 2026474 PMAQI
4th Mar 2026465 PMAQI
4th Mar 2026436 PMAQI
4th Mar 2026427 PMAQI
4th Mar 2026368 PMAQI
4th Mar 2026429 PMAQI
4th Mar 20264310 PMAQI
4th Mar 20264711 PMAQI
5th Mar 20264812 AMAQI
5th Mar 2026461 AMAQI
5th Mar 2026382 AMAQI
5th Mar 2026343 AMAQI
5th Mar 2026324 AMAQI
5th Mar 2026325 AMAQI

26°C21/32°C

5th Mar 2026346 AMAQI
5th Mar 2026387 AMAQI
5th Mar 2026408 AMAQI
5th Mar 2026389 AMAQI
5th Mar 20264410 AMAQI
5th Mar 20264311 AMAQI
5th Mar 20264412 PMAQI
5th Mar 2026381 PMAQI
5th Mar 2026422 PMAQI
5th Mar 2026423 PMAQI
5th Mar 2026344 PMAQI
5th Mar 2026345 PMAQI
5th Mar 2026236 PMAQI
5th Mar 2026317 PMAQI
5th Mar 2026318 PMAQI
5th Mar 2026339 PMAQI
5th Mar 20263410 PMAQI
5th Mar 20263211 PMAQI
6th Mar 20263412 AMAQI
6th Mar 2026321 AMAQI
6th Mar 2026332 AMAQI
6th Mar 2026263 AMAQI
6th Mar 2026294 AMAQI
6th Mar 2026345 AMAQI

24°C19/28°C

6th Mar 2026316 AMAQI
6th Mar 2026377 AMAQI
6th Mar 2026388 AMAQI
6th Mar 2026349 AMAQI
6th Mar 20263610 AMAQI
6th Mar 20263611 AMAQI
6th Mar 20263412 PMAQI
6th Mar 2026381 PMAQI
6th Mar 2026402 PMAQI
6th Mar 2026383 PMAQI
6th Mar 2026424 PMAQI
6th Mar 2026305 PMAQI
6th Mar 2026236 PMAQI
6th Mar 2026327 PMAQI
6th Mar 2026248 PMAQI
6th Mar 2026289 PMAQI
6th Mar 20263010 PMAQI
6th Mar 20263011 PMAQI
7th Mar 20263512 AMAQI
7th Mar 2026321 AMAQI
7th Mar 2026322 AMAQI
7th Mar 2026333 AMAQI
7th Mar 2026344 AMAQI
7th Mar 2026315 AMAQI

22°C21/23°C

7th Mar 2026286 AMAQI
7th Mar 2026247 AMAQI
7th Mar 2026248 AMAQI
7th Mar 2026289 AMAQI
7th Mar 20262410 AMAQI
7th Mar 20262711 AMAQI
7th Mar 20262412 PMAQI
7th Mar 2026261 PMAQI
7th Mar 2026382 PMAQI
7th Mar 2026353 PMAQI
7th Mar 2026604 PMAQI
7th Mar 2026725 PMAQI
7th Mar 2026346 PMAQI
7th Mar 2026327 PMAQI
7th Mar 2026288 PMAQI
7th Mar 2026309 PMAQI
7th Mar 20263310 PMAQI
7th Mar 20263611 PMAQI
8th Mar 20263412 AMAQI
8th Mar 2026371 AMAQI
8th Mar 2026482 AMAQI
8th Mar 2026363 AMAQI
8th Mar 2026384 AMAQI
8th Mar 2026265 AMAQI

21°C19/24°C

8th Mar 2026276 AMAQI
8th Mar 2026267 AMAQI
8th Mar 2026288 AMAQI
8th Mar 2026309 AMAQI
8th Mar 20262410 AMAQI
8th Mar 20262811 AMAQI
8th Mar 20263412 PMAQI
8th Mar 2026361 PMAQI
8th Mar 2026382 PMAQI
8th Mar 2026463 PMAQI
8th Mar 2026444 PMAQI
8th Mar 2026525 PMAQI
8th Mar 2026346 PMAQI
8th Mar 2026407 PMAQI
8th Mar 2026368 PMAQI
8th Mar 2026459 PMAQI
8th Mar 20263910 PMAQI
8th Mar 20264211 PMAQI
9th Mar 20264212 AMAQI
9th Mar 2026411 AMAQI
9th Mar 2026382 AMAQI
9th Mar 2026433 AMAQI
9th Mar 2026374 AMAQI
9th Mar 2026365 AMAQI

21°C19/25°C

9th Mar 2026336 AMAQI
6 AM
9th Mar 2026367 AMAQI
9th Mar 2026368 AMAQI
9th Mar 2026369 AMAQI
9th Mar 20263610 AMAQI
9th Mar 20264811 AMAQI
9th Mar 20264012 PMAQI
12 PM
9th Mar 2026431 PMAQI
9th Mar 2026362 PMAQI
9th Mar 2026453 PMAQI
9th Mar 2026524 PMAQI
9th Mar 2026465 PMAQI
9th Mar 2026406 PMAQI
9th Mar 2026317 PMAQI
7 PM
9th Mar 2026328 PMAQI
9th Mar 2026309 PMAQI
9th Mar 20263410 PMAQI
9th Mar 20263511 PMAQI
12 AM
5 AM

22°C19/26°C

Day time
Avg. Highest Time
4 PM

61AQI

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

37AQI

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. 61), while the lowest AQI was between 6 AM to 6 AM (Avg. 37).
Night time
Avg. Highest Time
10 PM

51AQI

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

38AQI

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. 51), while the lowest AQI was between 3 AM to 5 AM (Avg. 38).

2026 Days Vs Air Quality

79 25 de Mayo, Caseros, Buenos Aires, Argentina

2026

90%

61

10%

7

Total number of days with different AQI categories in last 69 days in 2026 (296 days remaining)

Good
61 Days
Moderate
7 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 90%

Health Risk Level:

Very Low

In 2026, 90% of 69 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.

Annual Air Quality Insights

79 25 de Mayo, Caseros, 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
37AQI (US)
2nd January 2026
51AQI (US)
3rd January 2026
40AQI (US)
4th January 2026
48AQI (US)
5th January 2026
39AQI (US)
6th January 2026
36AQI (US)
7th January 2026
48AQI (US)
8th January 2026
38AQI (US)
9th January 2026
31AQI (US)
10th January 2026
28AQI (US)
11th January 2026
56AQI (US)
12th January 2026
45AQI (US)
13th January 2026
38AQI (US)
14th January 2026
29AQI (US)
15th January 2026
40AQI (US)
16th January 2026
32AQI (US)
17th January 2026
37AQI (US)
18th January 2026
37AQI (US)
19th January 2026
38AQI (US)
20th January 2026
36AQI (US)
21st January 2026
27AQI (US)
22nd January 2026
49AQI (US)
23rd January 2026
53AQI (US)
24th January 2026
46AQI (US)
25th January 2026
49AQI (US)
26th January 2026
46AQI (US)
27th January 2026
41AQI (US)
28th January 2026
44AQI (US)
29th January 2026
46AQI (US)
30th January 2026
48AQI (US)
31st January 2026
43AQI (US)
1st February 2026
46AQI (US)
2nd February 2026
54AQI (US)
3rd February 2026
50AQI (US)
4th February 2026
51AQI (US)
5th February 2026
48AQI (US)
6th February 2026
43AQI (US)
7th February 2026
41AQI (US)
8th February 2026
47AQI (US)
9th February 2026
47AQI (US)
10th February 2026
46AQI (US)
11th February 2026
46AQI (US)
12th February 2026
45AQI (US)
13th February 2026
52AQI (US)
14th February 2026
50AQI (US)
15th February 2026
42AQI (US)
16th February 2026
48AQI (US)
17th February 2026
46AQI (US)
18th February 2026
47AQI (US)
19th February 2026
47AQI (US)
20th February 2026
44AQI (US)
21st February 2026
40AQI (US)
22nd February 2026
33AQI (US)
23rd February 2026
39AQI (US)
24th February 2026
40AQI (US)
25th February 2026
43AQI (US)
26th February 2026
39AQI (US)
27th February 2026
36AQI (US)
28th February 2026
33AQI (US)
1st March 2026
40AQI (US)
2nd March 2026
47AQI (US)
3rd March 2026
43AQI (US)
4th March 2026
59AQI (US)
5th March 2026
37AQI (US)
6th March 2026
33AQI (US)
7th March 2026
33AQI (US)
8th March 2026
36AQI (US)
9th March 2026
39AQI (US)
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

41AQI (US)

44AQI (US)

41AQI (US)

No. of days

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

202642AQI (US)

28
3
25
3
8
1
61
7

Highest AQI (US) recorded in

February

44AQI (US)

Lowest AQI (US) recorded in

March

41AQI (US)

202546AQI (US)

30
1
15
13
30
1
30
24
7
30
22
9
5
26
18
12
20
11
24
6
9
22
257
108

Highest AQI (US) recorded in

August

59AQI (US)

Lowest AQI (US) recorded in

October

41AQI (US)

202443AQI (US)

12
5
1
2
3
9
19
11
10
21
23
6
3
11
2
30
30
1
144
55

Highest AQI (US) recorded in

July

55AQI (US)

Lowest AQI (US) recorded in

March

13AQI (US)

202323AQI (US)

31
28
30
1
26
4
30
1
20
9
3
31
199
15

Highest AQI (US) recorded in

November

36AQI (US)

Lowest AQI (US) recorded in

January

13AQI (US)

202211AQI (US)

4
30
30
64

Highest AQI (US) recorded in

October

14AQI (US)

Lowest AQI (US) recorded in

December

10AQI (US)

Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded
2025(Avg.)
46AQI (US)
Least Polluted Year Recorded
2022(Avg.)
11AQI (US)

79 25 de Mayo's annual 2026 AQI (US) (42) shows an average percentage change of 92.9% (worsened AQI (US)) compared to previous years: 2022 (11), 2023 (23), 2024 (43), 2025 (46).