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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Santos, State Of Sao Paulo, Brazil Historical Air Quality Analysis

Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!

Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

August Air Quality Analysis

Santos, State Of Sao Paulo, Brazil

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
3rd Aug 2025
86AQI
Lowest AQI recorded on
14th Aug 2023
18AQI

Same Day Analysis (16th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 46 of Good air quality, showing improvement over 2024 on the same day.

Day & Night AQI Trend: 16th Aug - 17th Aug 2026

Santos, State Of Sao Paulo, Brazil

AQI
Day
Night
.

6 AM16th Aug 2026

5 PM

5 AM17th Aug 2026

Day time
Avg. Highest Time
5PM16th Aug

66AQI

Avg. Lowest Time
12PM16th Aug

26AQI

Night time
Avg. Highest Time
7PM16th Aug

75AQI

Avg. Lowest Time
5AM17th Aug

32AQI

In the last 24 hours,

Santos's AQI reached its highest point of 75 at 7 PM during the Night, while the lowest point, 26, was recorded at 12 PM during the Day between 16th Aug and 17th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Santos, State Of Sao Paulo, Brazil

JulAug
19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th
Day
Night
19th Jul 2026686 AMAQI
19th Jul 2026607 AMAQI
19th Jul 2026588 AMAQI
19th Jul 2026559 AMAQI
19th Jul 20265310 AMAQI
19th Jul 20266411 AMAQI
19th Jul 20265712 PMAQI
19th Jul 2026441 PMAQI
19th Jul 2026542 PMAQI
19th Jul 2026553 PMAQI
19th Jul 2026484 PMAQI
19th Jul 2026405 PMAQI
19th Jul 2026366 PMAQI
19th Jul 2026417 PMAQI
19th Jul 2026408 PMAQI
19th Jul 2026409 PMAQI
19th Jul 20265810 PMAQI
19th Jul 20266411 PMAQI
20th Jul 20267012 AMAQI
20th Jul 2026631 AMAQI
20th Jul 2026622 AMAQI
20th Jul 2026643 AMAQI
20th Jul 2026634 AMAQI
20th Jul 2026635 AMAQI

20°C16/26°C

20th Jul 2026606 AMAQI
20th Jul 2026557 AMAQI
20th Jul 2026888 AMAQI
20th Jul 2026859 AMAQI
20th Jul 20268410 AMAQI
20th Jul 20264811 AMAQI
20th Jul 20264912 PMAQI
20th Jul 2026511 PMAQI
20th Jul 2026472 PMAQI
20th Jul 2026483 PMAQI
20th Jul 2026444 PMAQI
20th Jul 2026495 PMAQI
20th Jul 2026486 PMAQI
20th Jul 2026477 PMAQI
20th Jul 2026488 PMAQI
20th Jul 2026489 PMAQI
20th Jul 20264910 PMAQI
20th Jul 20266811 PMAQI
21st Jul 2026821 AMAQI
21st Jul 2026752 AMAQI
21st Jul 2026693 AMAQI
21st Jul 2026594 AMAQI
21st Jul 2026565 AMAQI

21°C17/27°C

21st Jul 2026566 AMAQI
21st Jul 2026467 AMAQI
21st Jul 2026528 AMAQI
21st Jul 2026489 AMAQI
21st Jul 20264810 AMAQI
21st Jul 20266011 AMAQI
21st Jul 20266812 PMAQI
21st Jul 2026661 PMAQI
21st Jul 2026642 PMAQI
21st Jul 2026383 PMAQI
21st Jul 2026604 PMAQI
21st Jul 2026615 PMAQI
21st Jul 2026466 PMAQI
21st Jul 2026617 PMAQI
21st Jul 2026528 PMAQI
21st Jul 2026589 PMAQI
21st Jul 20264810 PMAQI
21st Jul 20266811 PMAQI
22nd Jul 20266212 AMAQI
22nd Jul 2026621 AMAQI
22nd Jul 2026502 AMAQI
22nd Jul 2026543 AMAQI
22nd Jul 2026484 AMAQI
22nd Jul 2026455 AMAQI

22°C18/28°C

22nd Jul 2026446 AMAQI
22nd Jul 2026467 AMAQI
22nd Jul 2026528 AMAQI
22nd Jul 2026589 AMAQI
22nd Jul 20265810 AMAQI
22nd Jul 20266011 AMAQI
22nd Jul 20265212 PMAQI
22nd Jul 2026461 PMAQI
22nd Jul 2026322 PMAQI
22nd Jul 2026363 PMAQI
22nd Jul 2026344 PMAQI
22nd Jul 2026345 PMAQI
22nd Jul 2026406 PMAQI
22nd Jul 2026507 PMAQI
22nd Jul 2026468 PMAQI
22nd Jul 2026469 PMAQI
22nd Jul 20264810 PMAQI
22nd Jul 20264111 PMAQI
23rd Jul 20263612 AMAQI
23rd Jul 2026461 AMAQI
23rd Jul 2026382 AMAQI
23rd Jul 2026403 AMAQI
23rd Jul 2026444 AMAQI
23rd Jul 2026325 AMAQI

20°C18/24°C

23rd Jul 2026326 AMAQI
23rd Jul 2026307 AMAQI
23rd Jul 2026308 AMAQI
23rd Jul 2026349 AMAQI
23rd Jul 20264010 AMAQI
23rd Jul 20263811 AMAQI
23rd Jul 20264612 PMAQI
23rd Jul 2026461 PMAQI
23rd Jul 2026482 PMAQI
23rd Jul 2026483 PMAQI
23rd Jul 2026504 PMAQI
23rd Jul 2026325 PMAQI
23rd Jul 2026366 PMAQI
23rd Jul 2026347 PMAQI
23rd Jul 2026388 PMAQI
23rd Jul 2026349 PMAQI
23rd Jul 20263010 PMAQI
23rd Jul 20263011 PMAQI
24th Jul 20263612 AMAQI
24th Jul 2026301 AMAQI
24th Jul 2026402 AMAQI
24th Jul 2026343 AMAQI
24th Jul 2026484 AMAQI
24th Jul 2026405 AMAQI

20°C18/23°C

24th Jul 2026386 AMAQI
24th Jul 2026387 AMAQI
24th Jul 2026428 AMAQI
24th Jul 2026509 AMAQI
24th Jul 20264210 AMAQI
24th Jul 20263411 AMAQI
24th Jul 20263412 PMAQI
24th Jul 2026341 PMAQI
24th Jul 2026362 PMAQI
24th Jul 2026403 PMAQI
24th Jul 2026504 PMAQI
24th Jul 2026505 PMAQI
24th Jul 2026366 PMAQI
24th Jul 2026367 PMAQI
24th Jul 2026328 PMAQI
24th Jul 2026349 PMAQI
24th Jul 20263010 PMAQI
24th Jul 20263611 PMAQI
25th Jul 20264112 AMAQI
25th Jul 2026291 AMAQI
25th Jul 2026312 AMAQI
25th Jul 2026383 AMAQI
25th Jul 2026484 AMAQI
25th Jul 2026425 AMAQI

18°C18/19°C

25th Jul 2026546 AMAQI
25th Jul 2026527 AMAQI
25th Jul 2026508 AMAQI
25th Jul 2026519 AMAQI
25th Jul 20265410 AMAQI
25th Jul 20266011 AMAQI
25th Jul 20265712 PMAQI
25th Jul 2026601 PMAQI
25th Jul 2026522 PMAQI
25th Jul 2026563 PMAQI
25th Jul 2026484 PMAQI
25th Jul 2026515 PMAQI
25th Jul 2026516 PMAQI
25th Jul 2026527 PMAQI
25th Jul 2026628 PMAQI
25th Jul 2026589 PMAQI
25th Jul 20264910 PMAQI
25th Jul 20265611 PMAQI
26th Jul 20265612 AMAQI
26th Jul 2026521 AMAQI
26th Jul 2026462 AMAQI
26th Jul 2026523 AMAQI
26th Jul 2026624 AMAQI
26th Jul 2026605 AMAQI

19°C17/22°C

26th Jul 2026496 AMAQI
26th Jul 2026447 AMAQI
26th Jul 2026408 AMAQI
26th Jul 2026429 AMAQI
26th Jul 20264410 AMAQI
26th Jul 20264411 AMAQI
26th Jul 20265012 PMAQI
26th Jul 2026501 PMAQI
26th Jul 2026492 PMAQI
26th Jul 2026523 PMAQI
26th Jul 2026544 PMAQI
26th Jul 2026585 PMAQI
26th Jul 2026596 PMAQI
26th Jul 2026567 PMAQI
26th Jul 2026568 PMAQI
26th Jul 2026509 PMAQI
26th Jul 20266610 PMAQI
26th Jul 20266411 PMAQI
27th Jul 20268012 AMAQI
27th Jul 2026801 AMAQI
27th Jul 2026752 AMAQI
27th Jul 2026803 AMAQI
27th Jul 2026844 AMAQI
27th Jul 2026845 AMAQI

19°C16/23°C

27th Jul 2026826 AMAQI
27th Jul 2026797 AMAQI
27th Jul 2026748 AMAQI
27th Jul 2026719 AMAQI
27th Jul 20268610 AMAQI
27th Jul 20268811 AMAQI
27th Jul 20267812 PMAQI
27th Jul 2026791 PMAQI
27th Jul 2026682 PMAQI
27th Jul 2026703 PMAQI
27th Jul 2026704 PMAQI
27th Jul 2026665 PMAQI
27th Jul 2026606 PMAQI
27th Jul 2026587 PMAQI
27th Jul 2026668 PMAQI
27th Jul 2026749 PMAQI
27th Jul 20267710 PMAQI
27th Jul 20267611 PMAQI
28th Jul 20267812 AMAQI
28th Jul 2026791 AMAQI
28th Jul 2026802 AMAQI
28th Jul 2026733 AMAQI
28th Jul 2026944 AMAQI
28th Jul 2026865 AMAQI

20°C17/26°C

28th Jul 2026806 AMAQI
28th Jul 2026737 AMAQI
28th Jul 2026548 AMAQI
28th Jul 2026509 AMAQI
28th Jul 20265210 AMAQI
28th Jul 20265411 AMAQI
28th Jul 20265812 PMAQI
28th Jul 2026601 PMAQI
28th Jul 2026662 PMAQI
28th Jul 2026643 PMAQI
28th Jul 2026564 PMAQI
28th Jul 2026455 PMAQI
28th Jul 2026406 PMAQI
28th Jul 2026507 PMAQI
28th Jul 2026528 PMAQI
28th Jul 2026669 PMAQI
28th Jul 20266310 PMAQI
28th Jul 20267211 PMAQI
29th Jul 20268412 AMAQI
29th Jul 2026841 AMAQI
29th Jul 2026682 AMAQI
29th Jul 2026663 AMAQI
29th Jul 2026724 AMAQI
29th Jul 2026695 AMAQI

23°C19/29°C

29th Jul 2026686 AMAQI
29th Jul 2026707 AMAQI
29th Jul 2026708 AMAQI
29th Jul 2026739 AMAQI
29th Jul 20266710 AMAQI
29th Jul 20266011 AMAQI
29th Jul 20265212 PMAQI
29th Jul 2026521 PMAQI
29th Jul 2026542 PMAQI
29th Jul 2026513 PMAQI
29th Jul 2026614 PMAQI
29th Jul 2026425 PMAQI
29th Jul 2026356 PMAQI
29th Jul 2026367 PMAQI
29th Jul 2026388 PMAQI
29th Jul 2026339 PMAQI
29th Jul 20263610 PMAQI
29th Jul 20263611 PMAQI
30th Jul 20262412 AMAQI
30th Jul 2026261 AMAQI
30th Jul 2026322 AMAQI
30th Jul 2026363 AMAQI
30th Jul 2026454 AMAQI
30th Jul 2026565 AMAQI

22°C19/30°C

30th Jul 2026486 AMAQI
30th Jul 2026397 AMAQI
30th Jul 2026218 AMAQI
30th Jul 2026349 AMAQI
30th Jul 20264610 AMAQI
30th Jul 20262311 AMAQI
30th Jul 20264612 PMAQI
30th Jul 2026451 PMAQI
30th Jul 2026462 PMAQI
30th Jul 2026273 PMAQI
30th Jul 2026374 PMAQI
30th Jul 2026405 PMAQI
30th Jul 2026506 PMAQI
30th Jul 2026307 PMAQI
30th Jul 2026348 PMAQI
30th Jul 2026399 PMAQI
30th Jul 20263210 PMAQI
30th Jul 20263211 PMAQI
31st Jul 20262712 AMAQI
31st Jul 2026301 AMAQI
31st Jul 2026412 AMAQI
31st Jul 2026413 AMAQI
31st Jul 2026344 AMAQI
31st Jul 2026415 AMAQI

20°C18/22°C

31st Jul 2026376 AMAQI
31st Jul 2026387 AMAQI
31st Jul 2026328 AMAQI
31st Jul 2026329 AMAQI
31st Jul 20263410 AMAQI
31st Jul 20263511 AMAQI
31st Jul 20263212 PMAQI
31st Jul 2026341 PMAQI
31st Jul 2026342 PMAQI
31st Jul 2026363 PMAQI
31st Jul 2026464 PMAQI
31st Jul 2026515 PMAQI
31st Jul 2026506 PMAQI
31st Jul 2026647 PMAQI
31st Jul 2026428 PMAQI
31st Jul 2026529 PMAQI
31st Jul 20265610 PMAQI
31st Jul 20265011 PMAQI
1st Aug 20264612 AMAQI
1st Aug 2026401 AMAQI
1st Aug 2026542 AMAQI
1st Aug 2026563 AMAQI
1st Aug 2026504 AMAQI
1st Aug 2026505 AMAQI

20°C16/23°C

1st Aug 2026516 AMAQI
1st Aug 2026587 AMAQI
1st Aug 2026628 AMAQI
1st Aug 2026609 AMAQI
1st Aug 20265210 AMAQI
1st Aug 20264811 AMAQI
1st Aug 20265112 PMAQI
1st Aug 2026551 PMAQI
1st Aug 2026602 PMAQI
1st Aug 2026583 PMAQI
1st Aug 2026604 PMAQI
1st Aug 2026565 PMAQI
1st Aug 2026556 PMAQI
1st Aug 2026637 PMAQI
1st Aug 2026698 PMAQI
1st Aug 2026659 PMAQI
1st Aug 20266110 PMAQI
1st Aug 20266611 PMAQI
2nd Aug 20266812 AMAQI
2nd Aug 2026701 AMAQI
2nd Aug 2026742 AMAQI
2nd Aug 2026673 AMAQI
2nd Aug 2026634 AMAQI
2nd Aug 2026635 AMAQI

19°C15/24°C

2nd Aug 2026646 AMAQI
2nd Aug 2026647 AMAQI
2nd Aug 2026688 AMAQI
2nd Aug 2026699 AMAQI
2nd Aug 20267410 AMAQI
2nd Aug 20265811 AMAQI
2nd Aug 20265212 PMAQI
2nd Aug 2026481 PMAQI
2nd Aug 2026482 PMAQI
2nd Aug 2026503 PMAQI
2nd Aug 2026544 PMAQI
2nd Aug 2026525 PMAQI
2nd Aug 2026536 PMAQI
2nd Aug 2026467 PMAQI
2nd Aug 2026528 PMAQI
2nd Aug 2026529 PMAQI
2nd Aug 20265410 PMAQI
2nd Aug 20265211 PMAQI
3rd Aug 20264812 AMAQI
3rd Aug 2026641 AMAQI
3rd Aug 2026622 AMAQI
3rd Aug 2026603 AMAQI
3rd Aug 2026784 AMAQI
3rd Aug 2026695 AMAQI

21°C18/28°C

3rd Aug 2026696 AMAQI
3rd Aug 2026727 AMAQI
3rd Aug 2026708 AMAQI
3rd Aug 2026719 AMAQI
3rd Aug 20267210 AMAQI
3rd Aug 20267611 AMAQI
3rd Aug 20267612 PMAQI
3rd Aug 2026751 PMAQI
3rd Aug 2026682 PMAQI
3rd Aug 2026663 PMAQI
3rd Aug 2026544 PMAQI
3rd Aug 2026565 PMAQI
3rd Aug 2026566 PMAQI
3rd Aug 2026627 PMAQI
3rd Aug 2026548 PMAQI
3rd Aug 2026689 PMAQI
3rd Aug 20266910 PMAQI
3rd Aug 20267511 PMAQI
4th Aug 20267912 AMAQI
4th Aug 2026701 AMAQI
4th Aug 2026662 AMAQI
4th Aug 2026683 AMAQI
4th Aug 2026644 AMAQI
4th Aug 2026665 AMAQI

19°C17/23°C

4th Aug 2026726 AMAQI
4th Aug 2026707 AMAQI
4th Aug 2026768 AMAQI
4th Aug 2026749 AMAQI
4th Aug 20267010 AMAQI
4th Aug 20266811 AMAQI
4th Aug 20267412 PMAQI
4th Aug 2026701 PMAQI
4th Aug 2026702 PMAQI
4th Aug 2026623 PMAQI
4th Aug 2026614 PMAQI
4th Aug 2026625 PMAQI
4th Aug 2026536 PMAQI
4th Aug 2026527 PMAQI
4th Aug 2026568 PMAQI
4th Aug 2026649 PMAQI
4th Aug 20266910 PMAQI
4th Aug 20267611 PMAQI
5th Aug 20268012 AMAQI
5th Aug 2026801 AMAQI
5th Aug 2026822 AMAQI
5th Aug 2026873 AMAQI
5th Aug 2026864 AMAQI
5th Aug 2026895 AMAQI

21°C18/26°C

5th Aug 2026906 AMAQI
5th Aug 2026817 AMAQI
5th Aug 2026718 AMAQI
5th Aug 2026729 AMAQI
5th Aug 20267010 AMAQI
5th Aug 20266211 AMAQI
5th Aug 20265812 PMAQI
5th Aug 2026601 PMAQI
5th Aug 2026582 PMAQI
5th Aug 2026543 PMAQI
5th Aug 2026574 PMAQI
5th Aug 2026595 PMAQI
5th Aug 2026686 PMAQI
5th Aug 2026687 PMAQI
5th Aug 2026578 PMAQI
5th Aug 2026569 PMAQI
5th Aug 20267210 PMAQI
5th Aug 20267011 PMAQI
6th Aug 20266612 AMAQI
6th Aug 2026841 AMAQI
6th Aug 2026802 AMAQI
6th Aug 2026823 AMAQI
6th Aug 2026744 AMAQI
6th Aug 2026675 AMAQI

22°C19/27°C

6th Aug 2026636 AMAQI
6th Aug 2026527 AMAQI
6th Aug 2026368 AMAQI
6th Aug 2026379 AMAQI
6th Aug 20264510 AMAQI
6th Aug 20265211 AMAQI
6th Aug 20265212 PMAQI
6th Aug 2026471 PMAQI
6th Aug 2026482 PMAQI
6th Aug 2026523 PMAQI
6th Aug 2026434 PMAQI
6th Aug 2026425 PMAQI
6th Aug 2026386 PMAQI
6th Aug 2026397 PMAQI
6th Aug 2026448 PMAQI
6th Aug 2026459 PMAQI
6th Aug 20264410 PMAQI
6th Aug 20263011 PMAQI
7th Aug 20264012 AMAQI
7th Aug 2026341 AMAQI
7th Aug 2026522 AMAQI
7th Aug 2026563 AMAQI
7th Aug 2026544 AMAQI
7th Aug 2026455 AMAQI

23°C19/29°C

7th Aug 2026446 AMAQI
7th Aug 2026397 AMAQI
7th Aug 2026388 AMAQI
7th Aug 2026589 AMAQI
7th Aug 20263710 AMAQI
7th Aug 20263411 AMAQI
7th Aug 20263712 PMAQI
7th Aug 2026461 PMAQI
7th Aug 2026382 PMAQI
7th Aug 2026343 PMAQI
7th Aug 2026304 PMAQI
7th Aug 2026325 PMAQI
7th Aug 2026396 PMAQI
7th Aug 2026417 PMAQI
7th Aug 2026418 PMAQI
7th Aug 2026329 PMAQI
7th Aug 20263210 PMAQI
7th Aug 20263411 PMAQI
8th Aug 20263012 AMAQI
8th Aug 2026361 AMAQI
8th Aug 2026222 AMAQI
8th Aug 2026303 AMAQI
8th Aug 2026324 AMAQI
8th Aug 2026245 AMAQI

22°C20/27°C

8th Aug 2026356 AMAQI
8th Aug 2026437 AMAQI
8th Aug 2026548 AMAQI
8th Aug 2026329 AMAQI
8th Aug 20262910 AMAQI
8th Aug 20262611 AMAQI
8th Aug 20265212 PMAQI
8th Aug 2026621 PMAQI
8th Aug 2026542 PMAQI
8th Aug 2026543 PMAQI
8th Aug 2026574 PMAQI
8th Aug 2026685 PMAQI
8th Aug 2026806 PMAQI
8th Aug 2026587 PMAQI
8th Aug 2026448 PMAQI
8th Aug 2026549 PMAQI
8th Aug 20265210 PMAQI
8th Aug 20265011 PMAQI
9th Aug 20265812 AMAQI
9th Aug 2026631 AMAQI
9th Aug 2026482 AMAQI
9th Aug 2026443 AMAQI
9th Aug 2026404 AMAQI
9th Aug 2026485 AMAQI

22°C19/28°C

9th Aug 2026326 AMAQI
9th Aug 2026287 AMAQI
9th Aug 2026308 AMAQI
9th Aug 2026449 AMAQI
9th Aug 20262710 AMAQI
9th Aug 20262311 AMAQI
9th Aug 20263012 PMAQI
9th Aug 2026281 PMAQI
9th Aug 2026282 PMAQI
9th Aug 2026763 PMAQI
9th Aug 2026334 PMAQI
9th Aug 2026315 PMAQI
9th Aug 2026326 PMAQI
9th Aug 2026257 PMAQI
9th Aug 2026298 PMAQI
9th Aug 2026259 PMAQI
9th Aug 20262710 PMAQI
9th Aug 20262911 PMAQI
10th Aug 20265112 AMAQI
10th Aug 2026251 AMAQI
10th Aug 2026292 AMAQI
10th Aug 2026283 AMAQI
10th Aug 2026294 AMAQI
10th Aug 2026295 AMAQI

21°C19/23°C

10th Aug 2026296 AMAQI
10th Aug 2026297 AMAQI
10th Aug 2026298 AMAQI
10th Aug 2026299 AMAQI
10th Aug 20263210 AMAQI
10th Aug 20262911 AMAQI
10th Aug 20263812 PMAQI
10th Aug 2026291 PMAQI
10th Aug 2026332 PMAQI
10th Aug 2026253 PMAQI
10th Aug 2026254 PMAQI
10th Aug 2026295 PMAQI
10th Aug 2026276 PMAQI
10th Aug 2026257 PMAQI
10th Aug 2026298 PMAQI
10th Aug 2026239 PMAQI
10th Aug 20262510 PMAQI
10th Aug 20262511 PMAQI
11th Aug 20262912 AMAQI
11th Aug 2026331 AMAQI
11th Aug 2026292 AMAQI
11th Aug 2026273 AMAQI
11th Aug 2026324 AMAQI
11th Aug 2026315 AMAQI

18°C17/19°C

11th Aug 2026296 AMAQI
11th Aug 2026257 AMAQI
11th Aug 2026338 AMAQI
11th Aug 2026339 AMAQI
11th Aug 20263310 AMAQI
11th Aug 20262911 AMAQI
11th Aug 20262512 PMAQI
11th Aug 2026251 PMAQI
11th Aug 2026292 PMAQI
11th Aug 2026333 PMAQI
11th Aug 2026314 PMAQI
11th Aug 2026255 PMAQI
11th Aug 2026266 PMAQI
11th Aug 2026367 PMAQI
11th Aug 2026298 PMAQI
11th Aug 2026289 PMAQI
11th Aug 20262610 PMAQI
11th Aug 20262711 PMAQI
12th Aug 20262412 AMAQI
12th Aug 2026281 AMAQI
12th Aug 2026352 AMAQI
12th Aug 2026313 AMAQI
12th Aug 2026284 AMAQI
12th Aug 2026295 AMAQI

18°C17/18°C

12th Aug 2026276 AMAQI
12th Aug 2026237 AMAQI
12th Aug 2026338 AMAQI
12th Aug 2026339 AMAQI
12th Aug 20263610 AMAQI
12th Aug 20262811 AMAQI
12th Aug 20263412 PMAQI
12th Aug 2026351 PMAQI
12th Aug 2026262 PMAQI
12th Aug 2026233 PMAQI
12th Aug 2026764 PMAQI
12th Aug 2026705 PMAQI
12th Aug 2026506 PMAQI
12th Aug 2026887 PMAQI
12th Aug 2026468 PMAQI
12th Aug 2026779 PMAQI
12th Aug 20267310 PMAQI
12th Aug 20266511 PMAQI
13th Aug 20266212 AMAQI
13th Aug 2026601 AMAQI
13th Aug 2026582 AMAQI
13th Aug 2026643 AMAQI
13th Aug 2026614 AMAQI
13th Aug 2026565 AMAQI

19°C18/21°C

13th Aug 2026586 AMAQI
13th Aug 2026487 AMAQI
13th Aug 2026528 AMAQI
13th Aug 2026599 AMAQI
13th Aug 20265510 AMAQI
13th Aug 20265211 AMAQI
13th Aug 20265212 PMAQI
13th Aug 2026581 PMAQI
13th Aug 2026482 PMAQI
13th Aug 2026513 PMAQI
13th Aug 2026564 PMAQI
13th Aug 2026665 PMAQI
13th Aug 2026826 PMAQI
13th Aug 2026867 PMAQI
13th Aug 2026858 PMAQI
13th Aug 2026789 PMAQI
13th Aug 20264310 PMAQI
13th Aug 20264311 PMAQI
14th Aug 20262812 AMAQI
14th Aug 2026341 AMAQI
14th Aug 2026352 AMAQI
14th Aug 2026623 AMAQI
14th Aug 2026644 AMAQI
14th Aug 2026565 AMAQI

21°C17/25°C

14th Aug 2026506 AMAQI
14th Aug 2026527 AMAQI
14th Aug 2026568 AMAQI
14th Aug 2026589 AMAQI
14th Aug 20264110 AMAQI
14th Aug 20263811 AMAQI
14th Aug 20263012 PMAQI
14th Aug 2026401 PMAQI
14th Aug 2026462 PMAQI
14th Aug 2026463 PMAQI
14th Aug 2026524 PMAQI
14th Aug 2026495 PMAQI
14th Aug 2026486 PMAQI
14th Aug 2026577 PMAQI
14th Aug 2026448 PMAQI
14th Aug 2026279 PMAQI
14th Aug 20263410 PMAQI
14th Aug 20262711 PMAQI
15th Aug 20262512 AMAQI
15th Aug 2026231 AMAQI
15th Aug 2026222 AMAQI
15th Aug 2026213 AMAQI
15th Aug 2026274 AMAQI
15th Aug 2026275 AMAQI

21°C19/23°C

15th Aug 2026256 AMAQI
15th Aug 2026337 AMAQI
15th Aug 2026298 AMAQI
15th Aug 2026299 AMAQI
15th Aug 20262710 AMAQI
15th Aug 20263311 AMAQI
15th Aug 20262112 PMAQI
15th Aug 2026271 PMAQI
15th Aug 2026392 PMAQI
15th Aug 2026513 PMAQI
15th Aug 2026294 PMAQI
15th Aug 2026425 PMAQI
15th Aug 2026486 PMAQI
15th Aug 2026297 PMAQI
15th Aug 2026278 PMAQI
15th Aug 2026259 PMAQI
15th Aug 20263110 PMAQI
15th Aug 20263111 PMAQI
16th Aug 20263012 AMAQI
16th Aug 2026411 AMAQI
16th Aug 2026382 AMAQI
16th Aug 2026343 AMAQI
16th Aug 2026434 AMAQI
16th Aug 2026585 AMAQI

21°C20/23°C

16th Aug 2026336 AMAQI
16th Aug 2026347 AMAQI
16th Aug 2026368 AMAQI
16th Aug 2026379 AMAQI
16th Aug 20263110 AMAQI
16th Aug 20263411 AMAQI
16th Aug 20262612 PMAQI
16th Aug 2026301 PMAQI
16th Aug 2026582 PMAQI
16th Aug 2026623 PMAQI
16th Aug 2026594 PMAQI
16th Aug 2026665 PMAQI
16th Aug 2026666 PMAQI
16th Aug 2026757 PMAQI
16th Aug 2026598 PMAQI
16th Aug 2026429 PMAQI
16th Aug 20264010 PMAQI
16th Aug 20265611 PMAQI
17th Aug 20264812 AMAQI
17th Aug 2026361 AMAQI
17th Aug 2026382 AMAQI
17th Aug 2026363 AMAQI
17th Aug 2026424 AMAQI
17th Aug 2026325 AMAQI

21°C19/25°C

17th Aug 2026426 AMAQI
6 AM
17th Aug 2026327 AMAQI
17th Aug 2026448 AMAQI
17th Aug 2026429 AMAQI
17th Aug 20265010 AMAQI
17th Aug 20266011 AMAQI
11 AM
17th Aug 20265812 PMAQI
17th Aug 2026581 PMAQI
17th Aug 2026562 PMAQI
17th Aug 2026583 PMAQI
17th Aug 2026624 PMAQI
17th Aug 2026545 PMAQI
5 PM
17th Aug 2026506 PMAQI
17th Aug 2026587 PMAQI
17th Aug 2026638 PMAQI
17th Aug 2026469 PMAQI
17th Aug 20266510 PMAQI
17th Aug 20267211 PMAQI
11 PM
5 AM

21°C20/22°C

Day time
Avg. Highest Time
6 AM

51AQI

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

49AQI

7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 6 AM (Avg. 51), while the lowest AQI was between 11 AM to 5 PM (Avg. 49).
Night time
Avg. Highest Time
4 AM

55AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
8 PM - 10 PM

48AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 4 AM (Avg. 55), while the lowest AQI was between 8 PM to 10 PM (Avg. 48).

2026 Days Vs Air Quality

Santos, State Of Sao Paulo, Brazil

2026

71%

160

28%

63

0.8%

2

Total number of days with different AQI categories in last 229 days in 2026 (136 days remaining)

Good
160 Days
Moderate
63 Days
Poor
2 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 71%

Health Risk Level:

Low

In 2026, 71% of 229 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

Santos, State Of Sao Paulo, Brazil

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
76AQI (US)
2nd January 2026
63AQI (US)
3rd January 2026
61AQI (US)
4th January 2026
64AQI (US)
5th January 2026
40AQI (US)
6th January 2026
36AQI (US)
7th January 2026
70AQI (US)
8th January 2026
70AQI (US)
9th January 2026
68AQI (US)
10th January 2026
76AQI (US)
11th January 2026
81AQI (US)
12th January 2026
86AQI (US)
13th January 2026
64AQI (US)
14th January 2026
56AQI (US)
15th January 2026
68AQI (US)
16th January 2026
57AQI (US)
17th January 2026
56AQI (US)
18th January 2026
59AQI (US)
19th January 2026
44AQI (US)
20th January 2026
49AQI (US)
21st January 2026
58AQI (US)
22nd January 2026
55AQI (US)
23rd January 2026
53AQI (US)
24th January 2026
46AQI (US)
25th January 2026
50AQI (US)
26th January 2026
48AQI (US)
27th January 2026
52AQI (US)
28th January 2026
52AQI (US)
29th January 2026
46AQI (US)
30th January 2026
49AQI (US)
31st January 2026
46AQI (US)
1st February 2026
45AQI (US)
2nd February 2026
55AQI (US)
3rd February 2026
52AQI (US)
4th February 2026
50AQI (US)
5th February 2026
48AQI (US)
6th February 2026
46AQI (US)
7th February 2026
46AQI (US)
8th February 2026
49AQI (US)
9th February 2026
48AQI (US)
10th February 2026
44AQI (US)
11th February 2026
46AQI (US)
12th February 2026
47AQI (US)
13th February 2026
54AQI (US)
14th February 2026
54AQI (US)
15th February 2026
45AQI (US)
16th February 2026
49AQI (US)
17th February 2026
55AQI (US)
18th February 2026
52AQI (US)
19th February 2026
50AQI (US)
20th February 2026
51AQI (US)
21st February 2026
48AQI (US)
22nd February 2026
36AQI (US)
23rd February 2026
40AQI (US)
24th February 2026
48AQI (US)
25th February 2026
44AQI (US)
26th February 2026
38AQI (US)
27th February 2026
31AQI (US)
28th February 2026
33AQI (US)
1st March 2026
40AQI (US)
2nd March 2026
46AQI (US)
3rd March 2026
46AQI (US)
4th March 2026
47AQI (US)
5th March 2026
44AQI (US)
6th March 2026
40AQI (US)
7th March 2026
38AQI (US)
8th March 2026
40AQI (US)
9th March 2026
38AQI (US)
10th March 2026
40AQI (US)
11th March 2026
43AQI (US)
12th March 2026
42AQI (US)
13th March 2026
38AQI (US)
14th March 2026
38AQI (US)
15th March 2026
48AQI (US)
16th March 2026
44AQI (US)
17th March 2026
39AQI (US)
18th March 2026
57AQI (US)
19th March 2026
58AQI (US)
20th March 2026
46AQI (US)
21st March 2026
48AQI (US)
22nd March 2026
46AQI (US)
23rd March 2026
44AQI (US)
24th March 2026
35AQI (US)
25th March 2026
38AQI (US)
26th March 2026
40AQI (US)
27th March 2026
43AQI (US)
28th March 2026
38AQI (US)
29th March 2026
44AQI (US)
30th March 2026
52AQI (US)
31st March 2026
33AQI (US)
1st April 2026
35AQI (US)
2nd April 2026
36AQI (US)
3rd April 2026
30AQI (US)
4th April 2026
31AQI (US)
5th April 2026
34AQI (US)
6th April 2026
40AQI (US)
7th April 2026
37AQI (US)
8th April 2026
38AQI (US)
9th April 2026
30AQI (US)
10th April 2026
35AQI (US)
11th April 2026
36AQI (US)
12th April 2026
34AQI (US)
13th April 2026
43AQI (US)
14th April 2026
50AQI (US)
15th April 2026
38AQI (US)
16th April 2026
36AQI (US)
17th April 2026
18th April 2026
132AQI (US)
19th April 2026
104AQI (US)
20th April 2026
63AQI (US)
21st April 2026
38AQI (US)
22nd April 2026
23rd April 2026
40AQI (US)
24th April 2026
42AQI (US)
25th April 2026
46AQI (US)
26th April 2026
45AQI (US)
27th April 2026
35AQI (US)
28th April 2026
33AQI (US)
29th April 2026
33AQI (US)
30th April 2026
30AQI (US)
1st May 2026
33AQI (US)
2nd May 2026
34AQI (US)
3rd May 2026
24AQI (US)
4th May 2026
28AQI (US)
5th May 2026
41AQI (US)
6th May 2026
48AQI (US)
7th May 2026
42AQI (US)
8th May 2026
30AQI (US)
9th May 2026
10th May 2026
34AQI (US)
11th May 2026
42AQI (US)
12th May 2026
42AQI (US)
13th May 2026
56AQI (US)
14th May 2026
59AQI (US)
15th May 2026
60AQI (US)
16th May 2026
54AQI (US)
17th May 2026
41AQI (US)
18th May 2026
38AQI (US)
19th May 2026
48AQI (US)
20th May 2026
44AQI (US)
21st May 2026
38AQI (US)
22nd May 2026
50AQI (US)
23rd May 2026
60AQI (US)
24th May 2026
58AQI (US)
25th May 2026
74AQI (US)
26th May 2026
49AQI (US)
27th May 2026
32AQI (US)
28th May 2026
24AQI (US)
29th May 2026
28AQI (US)
30th May 2026
26AQI (US)
31st May 2026
14AQI (US)
1st June 2026
30AQI (US)
2nd June 2026
26AQI (US)
3rd June 2026
31AQI (US)
4th June 2026
39AQI (US)
5th June 2026
32AQI (US)
6th June 2026
46AQI (US)
7th June 2026
52AQI (US)
8th June 2026
48AQI (US)
9th June 2026
70AQI (US)
10th June 2026
65AQI (US)
11th June 2026
61AQI (US)
12th June 2026
45AQI (US)
13th June 2026
28AQI (US)
14th June 2026
37AQI (US)
15th June 2026
18AQI (US)
16th June 2026
19AQI (US)
17th June 2026
21AQI (US)
18th June 2026
37AQI (US)
19th June 2026
46AQI (US)
20th June 2026
46AQI (US)
21st June 2026
24AQI (US)
22nd June 2026
50AQI (US)
23rd June 2026
32AQI (US)
24th June 2026
18AQI (US)
25th June 2026
42AQI (US)
26th June 2026
46AQI (US)
27th June 2026
44AQI (US)
28th June 2026
56AQI (US)
29th June 2026
36AQI (US)
30th June 2026
40AQI (US)
1st July 2026
53AQI (US)
2nd July 2026
58AQI (US)
3rd July 2026
32AQI (US)
4th July 2026
15AQI (US)
5th July 2026
18AQI (US)
6th July 2026
34AQI (US)
7th July 2026
34AQI (US)
8th July 2026
27AQI (US)
9th July 2026
46AQI (US)
10th July 2026
60AQI (US)
11th July 2026
50AQI (US)
12th July 2026
19AQI (US)
13th July 2026
18AQI (US)
14th July 2026
20AQI (US)
15th July 2026
38AQI (US)
16th July 2026
48AQI (US)
17th July 2026
62AQI (US)
18th July 2026
60AQI (US)
19th July 2026
60AQI (US)
20th July 2026
58AQI (US)
21st July 2026
58AQI (US)
22nd July 2026
48AQI (US)
23rd July 2026
38AQI (US)
24th July 2026
38AQI (US)
25th July 2026
50AQI (US)
26th July 2026
52AQI (US)
27th July 2026
75AQI (US)
28th July 2026
64AQI (US)
29th July 2026
58AQI (US)
30th July 2026
38AQI (US)
31st July 2026
40AQI (US)
1st August 2026
56AQI (US)
2nd August 2026
59AQI (US)
3rd August 2026
66AQI (US)
4th August 2026
67AQI (US)
5th August 2026
70AQI (US)
6th August 2026
52AQI (US)
7th August 2026
40AQI (US)
8th August 2026
45AQI (US)
9th August 2026
36AQI (US)
10th August 2026
29AQI (US)
11th August 2026
29AQI (US)
12th August 2026
42AQI (US)
13th August 2026
60AQI (US)
14th August 2026
44AQI (US)
15th August 2026
30AQI (US)
16th August 2026
46AQI (US)
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

58AQI (US)

47AQI (US)

43AQI (US)

44AQI (US)

42AQI (US)

40AQI (US)

44AQI (US)

48AQI (US)

No. of days

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

202645AQI (US)

10
21
21
7
28
3
25
1
2
23
7
25
5
19
12
9
7
160
63
2

Highest AQI (US) recorded in

January

58AQI (US)

Lowest AQI (US) recorded in

June

40AQI (US)

202552AQI (US)

24
7
14
14
26
5
27
3
18
13
9
21
6
25
13
18
19
11
9
22
9
21
5
26
179
186

Highest AQI (US) recorded in

December

61AQI (US)

Lowest AQI (US) recorded in

April

39AQI (US)

202446AQI (US)

31
21
8
28
3
25
5
23
8
8
22
17
14
20
10
9
11
7
2
21
10
20
10
28
3
251
104
7
2

Highest AQI (US) recorded in

September

83AQI (US)

Lowest AQI (US) recorded in

March

33AQI (US)

202337AQI (US)

30
22
1
31
30
30
1
16
14
23
8
22
9
24
6
31
25
4
27
4
311
47

Highest AQI (US) recorded in

June

46AQI (US)

Lowest AQI (US) recorded in

October

27AQI (US)

202235AQI (US)

23
7
10
4
26
4
30
24
7
27
3
12
13
1
3
25
4
31
30
27
4
266
49

Highest AQI (US) recorded in

August

53AQI (US)

Lowest AQI (US) recorded in

November

29AQI (US)

202139AQI (US)

28
1
28
30
1
24
6
16
15
21
9
19
12
17
14
20
10
28
3
26
4
28
3
285
78

Highest AQI (US) recorded in

May

51AQI (US)

Lowest AQI (US) recorded in

February

29AQI (US)

202040AQI (US)

12
1
21
7
11
1
12
18
22
9
28
3
27
3
27
4
30
30
1
216
50
1

Highest AQI (US) recorded in

May

56AQI (US)

Lowest AQI (US) recorded in

March

27AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
52AQI (US)
Least Polluted Year Recorded
2022(Avg.)
35AQI (US)

Santos's annual 2026 AQI (US) (45) shows an average percentage change of 10.4% (worsened AQI (US)) compared to previous years: 2020 (40), 2021 (39), 2022 (35), 2023 (37), 2024 (46), 2025 (52).