Porto das Caixas, Niteroi, Rio de Janeiro, 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
Porto das Caixas, Niteroi, Rio de Janeiro, Brazil
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2025
71AQILowest AQI recorded on
30th Aug 2024
26AQISame Day Analysis (3rd August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 71 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Porto das Caixas, Niteroi, Rio de Janeiro, Brazil
AQI
Day
Night
.
6 AM3rd Aug 2025
5 PM
5 AM4th Aug 2025
Day time
Avg. Highest Time
6AM3rd Aug
79AQI
Avg. Lowest Time
11AM3rd Aug
57AQI
Night time
Avg. Highest Time
3AM4th Aug
73AQI
Avg. Lowest Time
2AM4th Aug
64AQI
In the last 24 hours,
Porto das Caixas's AQI reached its highest point of 79 at 6 AM during the Day, while the lowest point, 57, was recorded at 11 AM during the Day between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Porto das Caixas, Niteroi, Rio de Janeiro, Brazil
JulAug
05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
5th Jul 2025266 AMAQI
5th Jul 2025287 AMAQI
5th Jul 2025288 AMAQI
5th Jul 2025299 AMAQI
5th Jul 20252910 AMAQI
5th Jul 20252811 AMAQI
5th Jul 20252812 PMAQI
5th Jul 2025301 PMAQI
5th Jul 2025292 PMAQI
5th Jul 2025283 PMAQI
5th Jul 2025304 PMAQI
5th Jul 2025285 PMAQI
5th Jul 2025296 PMAQI
5th Jul 2025297 PMAQI
5th Jul 2025298 PMAQI
5th Jul 2025289 PMAQI
5th Jul 20252710 PMAQI
5th Jul 20252611 PMAQI
6th Jul 20252712 AMAQI
6th Jul 2025251 AMAQI
6th Jul 2025282 AMAQI
6th Jul 2025283 AMAQI
6th Jul 2025274 AMAQI
6th Jul 2025265 AMAQI
17°C13/23°C
6th Jul 2025286 AMAQI
6th Jul 2025287 AMAQI
6th Jul 2025278 AMAQI
6th Jul 2025289 AMAQI
6th Jul 20252610 AMAQI
6th Jul 20252711 AMAQI
6th Jul 20252812 PMAQI
6th Jul 2025281 PMAQI
6th Jul 2025292 PMAQI
6th Jul 2025283 PMAQI
6th Jul 2025284 PMAQI
6th Jul 2025295 PMAQI
6th Jul 2025286 PMAQI
6th Jul 2025287 PMAQI
6th Jul 2025298 PMAQI
6th Jul 2025279 PMAQI
6th Jul 20252510 PMAQI
6th Jul 20252811 PMAQI
7th Jul 20252612 AMAQI
7th Jul 2025261 AMAQI
7th Jul 2025272 AMAQI
7th Jul 2025273 AMAQI
7th Jul 2025294 AMAQI
7th Jul 2025255 AMAQI
17°C13/22°C
7th Jul 2025276 AMAQI
7th Jul 2025257 AMAQI
7th Jul 2025268 AMAQI
7th Jul 2025269 AMAQI
7th Jul 20252410 AMAQI
7th Jul 20252511 AMAQI
7th Jul 20252612 PMAQI
7th Jul 2025261 PMAQI
7th Jul 2025262 PMAQI
7th Jul 2025273 PMAQI
7th Jul 2025274 PMAQI
7th Jul 2025285 PMAQI
7th Jul 2025276 PMAQI
7th Jul 2025287 PMAQI
7th Jul 2025288 PMAQI
7th Jul 2025289 PMAQI
7th Jul 20252810 PMAQI
7th Jul 20252811 PMAQI
8th Jul 20252812 AMAQI
8th Jul 2025271 AMAQI
8th Jul 2025302 AMAQI
8th Jul 2025283 AMAQI
8th Jul 2025284 AMAQI
8th Jul 2025265 AMAQI
17°C13/22°C
8th Jul 2025266 AMAQI
8th Jul 2025287 AMAQI
8th Jul 2025278 AMAQI
8th Jul 2025299 AMAQI
8th Jul 20252810 AMAQI
8th Jul 20252811 AMAQI
8th Jul 20252812 PMAQI
8th Jul 2025291 PMAQI
8th Jul 2025272 PMAQI
8th Jul 2025273 PMAQI
8th Jul 2025284 PMAQI
8th Jul 2025285 PMAQI
8th Jul 2025296 PMAQI
8th Jul 2025327 PMAQI
8th Jul 2025288 PMAQI
8th Jul 2025299 PMAQI
8th Jul 20253010 PMAQI
8th Jul 20253011 PMAQI
9th Jul 20252912 AMAQI
9th Jul 2025281 AMAQI
9th Jul 2025322 AMAQI
9th Jul 2025303 AMAQI
9th Jul 2025314 AMAQI
9th Jul 2025325 AMAQI
18°C13/25°C
9th Jul 2025316 AMAQI
9th Jul 2025307 AMAQI
9th Jul 2025308 AMAQI
9th Jul 2025309 AMAQI
9th Jul 20253010 AMAQI
9th Jul 20253011 AMAQI
9th Jul 20252912 PMAQI
9th Jul 2025301 PMAQI
9th Jul 2025292 PMAQI
9th Jul 2025273 PMAQI
9th Jul 2025284 PMAQI
9th Jul 2025285 PMAQI
9th Jul 2025286 PMAQI
9th Jul 2025287 PMAQI
9th Jul 2025298 PMAQI
9th Jul 2025299 PMAQI
9th Jul 20253010 PMAQI
9th Jul 20253111 PMAQI
10th Jul 20253212 AMAQI
10th Jul 2025321 AMAQI
10th Jul 2025322 AMAQI
10th Jul 2025313 AMAQI
10th Jul 2025344 AMAQI
10th Jul 2025325 AMAQI
17°C14/22°C
10th Jul 2025346 AMAQI
10th Jul 2025347 AMAQI
10th Jul 2025348 AMAQI
10th Jul 2025339 AMAQI
10th Jul 20253310 AMAQI
10th Jul 20253311 AMAQI
10th Jul 20253412 PMAQI
10th Jul 2025341 PMAQI
10th Jul 2025332 PMAQI
10th Jul 2025343 PMAQI
10th Jul 2025314 PMAQI
10th Jul 2025335 PMAQI
10th Jul 2025336 PMAQI
10th Jul 2025327 PMAQI
10th Jul 2025348 PMAQI
10th Jul 2025329 PMAQI
10th Jul 20253310 PMAQI
10th Jul 20253211 PMAQI
11th Jul 20253312 AMAQI
11th Jul 2025341 AMAQI
11th Jul 2025342 AMAQI
11th Jul 2025323 AMAQI
11th Jul 2025334 AMAQI
11th Jul 2025335 AMAQI
18°C14/24°C
11th Jul 2025336 AMAQI
11th Jul 2025387 AMAQI
11th Jul 2025358 AMAQI
11th Jul 2025349 AMAQI
11th Jul 20253510 AMAQI
11th Jul 20253611 AMAQI
11th Jul 20253512 PMAQI
11th Jul 2025361 PMAQI
11th Jul 2025342 PMAQI
11th Jul 2025363 PMAQI
11th Jul 2025354 PMAQI
11th Jul 2025345 PMAQI
11th Jul 2025366 PMAQI
11th Jul 2025367 PMAQI
11th Jul 2025368 PMAQI
11th Jul 2025369 PMAQI
11th Jul 20253510 PMAQI
11th Jul 20253511 PMAQI
12th Jul 20253512 AMAQI
12th Jul 2025361 AMAQI
12th Jul 2025342 AMAQI
12th Jul 2025343 AMAQI
12th Jul 2025364 AMAQI
12th Jul 2025325 AMAQI
19°C15/26°C
12th Jul 2025346 AMAQI
12th Jul 2025347 AMAQI
12th Jul 2025368 AMAQI
12th Jul 2025369 AMAQI
12th Jul 20253610 AMAQI
12th Jul 20253611 AMAQI
12th Jul 20253612 PMAQI
12th Jul 2025361 PMAQI
12th Jul 2025352 PMAQI
12th Jul 2025353 PMAQI
12th Jul 2025364 PMAQI
12th Jul 2025365 PMAQI
12th Jul 2025366 PMAQI
12th Jul 2025367 PMAQI
12th Jul 2025378 PMAQI
12th Jul 2025369 PMAQI
12th Jul 20253510 PMAQI
12th Jul 20253611 PMAQI
13th Jul 20253612 AMAQI
13th Jul 2025401 AMAQI
13th Jul 2025402 AMAQI
13th Jul 2025373 AMAQI
13th Jul 2025374 AMAQI
13th Jul 2025375 AMAQI
19°C15/26°C
13th Jul 2025396 AMAQI
13th Jul 2025367 AMAQI
13th Jul 2025368 AMAQI
13th Jul 2025399 AMAQI
13th Jul 20253810 AMAQI
13th Jul 20253811 AMAQI
13th Jul 20253812 PMAQI
13th Jul 2025381 PMAQI
13th Jul 2025382 PMAQI
13th Jul 2025383 PMAQI
13th Jul 2025394 PMAQI
13th Jul 2025385 PMAQI
13th Jul 2025386 PMAQI
13th Jul 2025407 PMAQI
13th Jul 2025388 PMAQI
13th Jul 2025399 PMAQI
13th Jul 20253510 PMAQI
13th Jul 20253511 PMAQI
14th Jul 20253412 AMAQI
14th Jul 2025321 AMAQI
14th Jul 2025342 AMAQI
14th Jul 2025333 AMAQI
14th Jul 2025334 AMAQI
14th Jul 2025325 AMAQI
18°C14/25°C
14th Jul 2025326 AMAQI
14th Jul 2025307 AMAQI
14th Jul 2025328 AMAQI
14th Jul 2025339 AMAQI
14th Jul 20253310 AMAQI
14th Jul 20254511 AMAQI
14th Jul 20255412 PMAQI
14th Jul 2025531 PMAQI
14th Jul 2025532 PMAQI
14th Jul 2025533 PMAQI
14th Jul 2025534 PMAQI
14th Jul 2025555 PMAQI
14th Jul 2025536 PMAQI
14th Jul 2025537 PMAQI
14th Jul 2025538 PMAQI
14th Jul 2025549 PMAQI
14th Jul 20255910 PMAQI
14th Jul 20255511 PMAQI
15th Jul 20256012 AMAQI
15th Jul 2025581 AMAQI
15th Jul 2025582 AMAQI
15th Jul 2025593 AMAQI
15th Jul 2025594 AMAQI
15th Jul 2025625 AMAQI
18°C13/25°C
15th Jul 2025626 AMAQI
15th Jul 2025567 AMAQI
15th Jul 2025608 AMAQI
15th Jul 2025609 AMAQI
15th Jul 20256010 AMAQI
15th Jul 20255911 AMAQI
15th Jul 20256112 PMAQI
15th Jul 2025561 PMAQI
15th Jul 2025542 PMAQI
15th Jul 2025573 PMAQI
15th Jul 2025584 PMAQI
15th Jul 2025605 PMAQI
15th Jul 2025606 PMAQI
15th Jul 2025597 PMAQI
15th Jul 2025598 PMAQI
15th Jul 2025599 PMAQI
15th Jul 20256010 PMAQI
15th Jul 20256411 PMAQI
16th Jul 20256212 AMAQI
16th Jul 2025681 AMAQI
16th Jul 2025632 AMAQI
16th Jul 2025593 AMAQI
16th Jul 2025614 AMAQI
16th Jul 2025645 AMAQI
18°C14/24°C
16th Jul 2025666 AMAQI
16th Jul 2025667 AMAQI
16th Jul 2025768 AMAQI
16th Jul 2025649 AMAQI
16th Jul 20256110 AMAQI
16th Jul 20256311 AMAQI
16th Jul 20255912 PMAQI
16th Jul 2025601 PMAQI
16th Jul 2025582 PMAQI
16th Jul 2025593 PMAQI
16th Jul 2025624 PMAQI
16th Jul 2025645 PMAQI
16th Jul 2025666 PMAQI
16th Jul 2025647 PMAQI
16th Jul 2025638 PMAQI
16th Jul 2025619 PMAQI
16th Jul 20255810 PMAQI
16th Jul 20256211 PMAQI
17th Jul 20255812 AMAQI
17th Jul 2025601 AMAQI
17th Jul 2025642 AMAQI
17th Jul 2025693 AMAQI
17th Jul 2025664 AMAQI
17th Jul 2025635 AMAQI
18°C13/25°C
17th Jul 2025686 AMAQI
17th Jul 2025707 AMAQI
17th Jul 2025698 AMAQI
17th Jul 2025689 AMAQI
17th Jul 20256710 AMAQI
17th Jul 20256611 AMAQI
17th Jul 20256812 PMAQI
17th Jul 2025661 PMAQI
17th Jul 2025652 PMAQI
17th Jul 2025623 PMAQI
17th Jul 2025634 PMAQI
17th Jul 2025645 PMAQI
17th Jul 2025686 PMAQI
17th Jul 2025727 PMAQI
17th Jul 2025718 PMAQI
17th Jul 2025679 PMAQI
17th Jul 20256610 PMAQI
17th Jul 20256511 PMAQI
18th Jul 20256312 AMAQI
18th Jul 2025671 AMAQI
18th Jul 2025642 AMAQI
18th Jul 2025623 AMAQI
18th Jul 2025624 AMAQI
18th Jul 2025645 AMAQI
20°C14/28°C
18th Jul 2025676 AMAQI
18th Jul 2025677 AMAQI
18th Jul 2025698 AMAQI
18th Jul 2025629 AMAQI
18th Jul 20256210 AMAQI
18th Jul 20255711 AMAQI
18th Jul 20255912 PMAQI
18th Jul 2025561 PMAQI
18th Jul 2025562 PMAQI
18th Jul 2025623 PMAQI
18th Jul 2025584 PMAQI
18th Jul 2025735 PMAQI
18th Jul 2025826 PMAQI
18th Jul 2025767 PMAQI
18th Jul 2025708 PMAQI
18th Jul 2025699 PMAQI
18th Jul 20256910 PMAQI
18th Jul 20256811 PMAQI
19th Jul 20257112 AMAQI
19th Jul 2025671 AMAQI
19th Jul 2025602 AMAQI
19th Jul 2025613 AMAQI
19th Jul 2025584 AMAQI
19th Jul 2025595 AMAQI
21°C16/30°C
19th Jul 2025626 AMAQI
19th Jul 2025647 AMAQI
19th Jul 2025618 AMAQI
19th Jul 2025589 AMAQI
19th Jul 20256010 AMAQI
19th Jul 20256011 AMAQI
19th Jul 20256012 PMAQI
19th Jul 2025591 PMAQI
19th Jul 2025612 PMAQI
19th Jul 2025583 PMAQI
19th Jul 2025644 PMAQI
19th Jul 2025645 PMAQI
19th Jul 2025656 PMAQI
19th Jul 2025647 PMAQI
19th Jul 2025638 PMAQI
19th Jul 2025699 PMAQI
19th Jul 20256810 PMAQI
19th Jul 20256111 PMAQI
20th Jul 20256112 AMAQI
20th Jul 2025561 AMAQI
20th Jul 2025562 AMAQI
20th Jul 2025613 AMAQI
20th Jul 2025604 AMAQI
20th Jul 2025625 AMAQI
19°C15/24°C
20th Jul 2025626 AMAQI
20th Jul 2025567 AMAQI
20th Jul 2025568 AMAQI
20th Jul 2025569 AMAQI
20th Jul 20255610 AMAQI
20th Jul 20255811 AMAQI
20th Jul 20255712 PMAQI
20th Jul 2025541 PMAQI
20th Jul 2025542 PMAQI
20th Jul 2025553 PMAQI
20th Jul 2025554 PMAQI
20th Jul 2025505 PMAQI
20th Jul 2025546 PMAQI
20th Jul 2025567 PMAQI
20th Jul 2025568 PMAQI
20th Jul 2025589 PMAQI
20th Jul 20256110 PMAQI
20th Jul 20256011 PMAQI
21st Jul 20256212 AMAQI
21st Jul 2025581 AMAQI
21st Jul 2025612 AMAQI
21st Jul 2025583 AMAQI
21st Jul 2025594 AMAQI
21st Jul 2025635 AMAQI
18°C13/24°C
21st Jul 2025586 AMAQI
21st Jul 2025607 AMAQI
21st Jul 2025598 AMAQI
21st Jul 2025589 AMAQI
21st Jul 20255410 AMAQI
21st Jul 20255511 AMAQI
21st Jul 20255612 PMAQI
21st Jul 2025541 PMAQI
21st Jul 2025562 PMAQI
21st Jul 2025563 PMAQI
21st Jul 2025574 PMAQI
21st Jul 2025585 PMAQI
21st Jul 2025586 PMAQI
21st Jul 2025587 PMAQI
21st Jul 2025568 PMAQI
21st Jul 2025589 PMAQI
21st Jul 20256410 PMAQI
21st Jul 20256311 PMAQI
22nd Jul 20256412 AMAQI
22nd Jul 2025621 AMAQI
22nd Jul 2025612 AMAQI
22nd Jul 2025643 AMAQI
22nd Jul 2025604 AMAQI
22nd Jul 2025575 AMAQI
19°C15/27°C
22nd Jul 2025626 AMAQI
22nd Jul 2025617 AMAQI
22nd Jul 2025638 AMAQI
22nd Jul 2025649 AMAQI
22nd Jul 20255710 AMAQI
22nd Jul 20255911 AMAQI
22nd Jul 20255612 PMAQI
22nd Jul 2025581 PMAQI
22nd Jul 2025572 PMAQI
22nd Jul 2025633 PMAQI
22nd Jul 2025584 PMAQI
22nd Jul 2025615 PMAQI
22nd Jul 2025626 PMAQI
22nd Jul 2025637 PMAQI
22nd Jul 2025648 PMAQI
22nd Jul 2025629 PMAQI
22nd Jul 20256210 PMAQI
22nd Jul 20256211 PMAQI
23rd Jul 20256012 AMAQI
23rd Jul 2025551 AMAQI
23rd Jul 2025562 AMAQI
23rd Jul 2025453 AMAQI
23rd Jul 2025574 AMAQI
23rd Jul 2025635 AMAQI
21°C15/28°C
23rd Jul 2025626 AMAQI
23rd Jul 2025627 AMAQI
23rd Jul 2025588 AMAQI
23rd Jul 2025619 AMAQI
23rd Jul 20255910 AMAQI
23rd Jul 20255911 AMAQI
23rd Jul 20255512 PMAQI
23rd Jul 2025561 PMAQI
23rd Jul 2025572 PMAQI
23rd Jul 2025603 PMAQI
23rd Jul 2025594 PMAQI
23rd Jul 2025595 PMAQI
23rd Jul 2025626 PMAQI
23rd Jul 2025647 PMAQI
23rd Jul 2025638 PMAQI
23rd Jul 2025629 PMAQI
23rd Jul 20256110 PMAQI
23rd Jul 20256511 PMAQI
24th Jul 20256612 AMAQI
24th Jul 2025671 AMAQI
24th Jul 2025902 AMAQI
24th Jul 2025643 AMAQI
24th Jul 2025644 AMAQI
24th Jul 2025625 AMAQI
20°C17/26°C
24th Jul 2025636 AMAQI
24th Jul 2025607 AMAQI
24th Jul 2025628 AMAQI
24th Jul 2025599 AMAQI
24th Jul 20255710 AMAQI
24th Jul 20255811 AMAQI
24th Jul 20255812 PMAQI
24th Jul 2025631 PMAQI
24th Jul 2025632 PMAQI
24th Jul 2025623 PMAQI
24th Jul 2025654 PMAQI
24th Jul 2025655 PMAQI
24th Jul 2025646 PMAQI
24th Jul 2025657 PMAQI
24th Jul 2025668 PMAQI
24th Jul 2025649 PMAQI
24th Jul 20256410 PMAQI
24th Jul 20256611 PMAQI
25th Jul 20256512 AMAQI
25th Jul 2025641 AMAQI
25th Jul 2025642 AMAQI
25th Jul 2025593 AMAQI
25th Jul 2025584 AMAQI
25th Jul 2025595 AMAQI
19°C16/23°C
25th Jul 2025626 AMAQI
25th Jul 2025607 AMAQI
25th Jul 2025608 AMAQI
25th Jul 2025619 AMAQI
25th Jul 20256110 AMAQI
25th Jul 20256111 AMAQI
25th Jul 20256012 PMAQI
25th Jul 2025601 PMAQI
25th Jul 2025572 PMAQI
25th Jul 2025563 PMAQI
25th Jul 2025584 PMAQI
25th Jul 2025585 PMAQI
25th Jul 2025596 PMAQI
25th Jul 2025627 PMAQI
25th Jul 2025608 PMAQI
25th Jul 2025609 PMAQI
25th Jul 20256010 PMAQI
25th Jul 20256111 PMAQI
26th Jul 20256212 AMAQI
26th Jul 2025601 AMAQI
26th Jul 2025572 AMAQI
26th Jul 2025593 AMAQI
26th Jul 2025534 AMAQI
26th Jul 2025545 AMAQI
20°C17/25°C
26th Jul 2025556 AMAQI
26th Jul 2025547 AMAQI
26th Jul 2025568 AMAQI
26th Jul 2025569 AMAQI
26th Jul 20254910 AMAQI
26th Jul 20255211 AMAQI
26th Jul 20255412 PMAQI
26th Jul 2025541 PMAQI
26th Jul 2025562 PMAQI
26th Jul 2025543 PMAQI
26th Jul 2025544 PMAQI
26th Jul 2025545 PMAQI
26th Jul 2025526 PMAQI
26th Jul 2025547 PMAQI
26th Jul 2025568 PMAQI
26th Jul 2025549 PMAQI
26th Jul 20255510 PMAQI
26th Jul 20255911 PMAQI
27th Jul 20255812 AMAQI
27th Jul 2025651 AMAQI
27th Jul 2025602 AMAQI
27th Jul 2025633 AMAQI
27th Jul 2025594 AMAQI
27th Jul 2025565 AMAQI
21°C17/26°C
27th Jul 2025586 AMAQI
27th Jul 2025597 AMAQI
27th Jul 2025608 AMAQI
27th Jul 2025609 AMAQI
27th Jul 20255810 AMAQI
27th Jul 20255411 AMAQI
27th Jul 20255412 PMAQI
27th Jul 2025561 PMAQI
27th Jul 2025562 PMAQI
27th Jul 2025583 PMAQI
27th Jul 2025564 PMAQI
27th Jul 2025565 PMAQI
27th Jul 2025576 PMAQI
27th Jul 2025577 PMAQI
27th Jul 2025568 PMAQI
27th Jul 2025609 PMAQI
27th Jul 20256410 PMAQI
27th Jul 20255511 PMAQI
28th Jul 20255712 AMAQI
28th Jul 2025551 AMAQI
28th Jul 2025572 AMAQI
28th Jul 2025653 AMAQI
28th Jul 2025544 AMAQI
28th Jul 2025535 AMAQI
22°C16/30°C
28th Jul 2025526 AMAQI
28th Jul 2025527 AMAQI
28th Jul 2025528 AMAQI
28th Jul 2025539 AMAQI
28th Jul 20255210 AMAQI
28th Jul 20255411 AMAQI
28th Jul 20255212 PMAQI
28th Jul 2025531 PMAQI
28th Jul 2025542 PMAQI
28th Jul 2025553 PMAQI
28th Jul 2025544 PMAQI
28th Jul 2025545 PMAQI
28th Jul 2025556 PMAQI
28th Jul 2025587 PMAQI
28th Jul 2025548 PMAQI
28th Jul 2025539 PMAQI
28th Jul 20255410 PMAQI
28th Jul 20255411 PMAQI
29th Jul 20255412 AMAQI
29th Jul 2025511 AMAQI
29th Jul 2025422 AMAQI
29th Jul 2025443 AMAQI
29th Jul 2025414 AMAQI
29th Jul 2025525 AMAQI
24°C19/32°C
29th Jul 2025446 AMAQI
29th Jul 2025447 AMAQI
29th Jul 2025498 AMAQI
29th Jul 2025529 AMAQI
29th Jul 20254810 AMAQI
29th Jul 20254911 AMAQI
29th Jul 20255012 PMAQI
29th Jul 2025481 PMAQI
29th Jul 2025412 PMAQI
29th Jul 2025443 PMAQI
29th Jul 2025464 PMAQI
29th Jul 2025435 PMAQI
29th Jul 2025416 PMAQI
29th Jul 2025477 PMAQI
29th Jul 2025458 PMAQI
29th Jul 2025469 PMAQI
29th Jul 20254910 PMAQI
29th Jul 20254311 PMAQI
30th Jul 20254712 AMAQI
30th Jul 2025521 AMAQI
30th Jul 2025502 AMAQI
30th Jul 2025523 AMAQI
30th Jul 2025464 AMAQI
30th Jul 2025435 AMAQI
18°C17/18°C
30th Jul 2025396 AMAQI
30th Jul 2025437 AMAQI
30th Jul 2025408 AMAQI
30th Jul 2025649 AMAQI
30th Jul 20255310 AMAQI
30th Jul 20255311 AMAQI
30th Jul 20255512 PMAQI
30th Jul 2025561 PMAQI
30th Jul 2025552 PMAQI
30th Jul 2025573 PMAQI
30th Jul 2025514 PMAQI
30th Jul 2025515 PMAQI
30th Jul 2025516 PMAQI
30th Jul 2025517 PMAQI
30th Jul 2025518 PMAQI
30th Jul 2025519 PMAQI
30th Jul 20255110 PMAQI
30th Jul 20255011 PMAQI
31st Jul 20254412 AMAQI
31st Jul 2025451 AMAQI
31st Jul 2025492 AMAQI
31st Jul 2025473 AMAQI
31st Jul 2025444 AMAQI
31st Jul 2025355 AMAQI
16°C12/21°C
31st Jul 2025356 AMAQI
31st Jul 2025487 AMAQI
31st Jul 2025478 AMAQI
31st Jul 2025529 AMAQI
31st Jul 20255210 AMAQI
31st Jul 20255411 AMAQI
31st Jul 20255412 PMAQI
31st Jul 2025451 PMAQI
31st Jul 2025452 PMAQI
31st Jul 2025453 PMAQI
31st Jul 2025504 PMAQI
31st Jul 2025535 PMAQI
31st Jul 2025516 PMAQI
31st Jul 2025507 PMAQI
31st Jul 2025498 PMAQI
31st Jul 2025529 PMAQI
31st Jul 20255210 PMAQI
31st Jul 20255211 PMAQI
1st Aug 20255012 AMAQI
1st Aug 2025531 AMAQI
1st Aug 2025512 AMAQI
1st Aug 2025453 AMAQI
1st Aug 2025514 AMAQI
1st Aug 2025505 AMAQI
16°C12/22°C
1st Aug 2025556 AMAQI
1st Aug 2025587 AMAQI
1st Aug 2025458 AMAQI
1st Aug 2025509 AMAQI
1st Aug 20255010 AMAQI
1st Aug 20255011 AMAQI
1st Aug 20255212 PMAQI
1st Aug 2025531 PMAQI
1st Aug 2025502 PMAQI
1st Aug 2025523 PMAQI
1st Aug 2025524 PMAQI
1st Aug 2025525 PMAQI
1st Aug 2025526 PMAQI
1st Aug 2025507 PMAQI
1st Aug 2025528 PMAQI
1st Aug 2025519 PMAQI
1st Aug 20255310 PMAQI
1st Aug 20255211 PMAQI
2nd Aug 20256212 AMAQI
2nd Aug 2025711 AMAQI
2nd Aug 2025642 AMAQI
2nd Aug 2025763 AMAQI
2nd Aug 2025694 AMAQI
2nd Aug 2025635 AMAQI
18°C12/25°C
2nd Aug 2025706 AMAQI
2nd Aug 2025727 AMAQI
2nd Aug 2025698 AMAQI
2nd Aug 2025659 AMAQI
2nd Aug 20256510 AMAQI
2nd Aug 20256411 AMAQI
2nd Aug 20256412 PMAQI
2nd Aug 2025681 PMAQI
2nd Aug 2025622 PMAQI
2nd Aug 2025603 PMAQI
2nd Aug 2025664 PMAQI
2nd Aug 2025685 PMAQI
2nd Aug 2025686 PMAQI
2nd Aug 2025697 PMAQI
2nd Aug 2025668 PMAQI
2nd Aug 2025699 PMAQI
2nd Aug 20257010 PMAQI
2nd Aug 20256511 PMAQI
3rd Aug 20257412 AMAQI
3rd Aug 2025781 AMAQI
3rd Aug 2025712 AMAQI
3rd Aug 2025723 AMAQI
3rd Aug 2025704 AMAQI
3rd Aug 2025695 AMAQI
19°C13/28°C
3rd Aug 2025796 AMAQI
3rd Aug 2025697 AMAQI
3rd Aug 2025718 AMAQI
3rd Aug 2025659 AMAQI
3rd Aug 20256410 AMAQI
3rd Aug 20255711 AMAQI
3rd Aug 20256112 PMAQI
3rd Aug 2025661 PMAQI
3rd Aug 2025642 PMAQI
3rd Aug 2025663 PMAQI
3rd Aug 2025674 PMAQI
3rd Aug 2025675 PMAQI
3rd Aug 2025676 PMAQI
3rd Aug 2025687 PMAQI
3rd Aug 2025688 PMAQI
3rd Aug 2025679 PMAQI
3rd Aug 20256810 PMAQI
3rd Aug 20256611 PMAQI
4th Aug 20256812 AMAQI
4th Aug 2025701 AMAQI
4th Aug 2025642 AMAQI
4th Aug 2025733 AMAQI
4th Aug 2025664 AMAQI
4th Aug 2025675 AMAQI
21°C14/30°C
4th Aug 2025666 AMAQI
6 AM4th Aug 2025677 AMAQI
4th Aug 2025698 AMAQI
4th Aug 2025629 AMAQI
4th Aug 20256510 AMAQI
4th Aug 20256711 AMAQI
11 AM4th Aug 20256512 PMAQI
4th Aug 2025611 PMAQI
4th Aug 2025622 PMAQI
5 PM
11 PM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 5 PM
50AQI
12 hours / Day
360 hours / Month
Avg. Lowest Time
6 AM - 5 PM
50AQI
12 hours / Day
360 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 5 PM (Avg. 50), while the lowest AQI was between 6 AM to 5 PM (Avg. 50).
Night time
Avg. Highest Time
12 AM - 11 PM
51AQI
12 hours / Day
360 hours / Month
Avg. Lowest Time
12 AM - 11 PM
51AQI
12 hours / Day
360 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 51), while the lowest AQI was between 12 AM to 11 PM (Avg. 51).
2025 Days Vs Air Quality
Porto das Caixas, Niteroi, Rio de Janeiro, Brazil
2025
59%
127
41%
88
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Good
127 DaysModerate
88 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 59%
Health Risk Level:
Considerable
In 2025, 59% of 216 days were within WHO’s safe air quality limits, and 41% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Porto das Caixas, Niteroi, Rio de Janeiro, Brazil
AQI levels in 2025
AQI
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.
1st January 2025
58AQI
58AQI
2nd January 2025
58AQI
58AQI
3rd January 2025
58AQI
58AQI
4th January 2025
59AQI
59AQI
5th January 2025
60AQI
60AQI
6th January 2025
62AQI
62AQI
7th January 2025
62AQI
62AQI
8th January 2025
61AQI
61AQI
9th January 2025
62AQI
62AQI
10th January 2025
66AQI
66AQI
11th January 2025
67AQI
67AQI
12th January 2025
67AQI
67AQI
13th January 2025
67AQI
67AQI
14th January 2025
70AQI
70AQI
15th January 2025
69AQI
69AQI
16th January 2025
72AQI
72AQI
17th January 2025
70AQI
70AQI
18th January 2025
74AQI
74AQI
19th January 2025
73AQI
73AQI
20th January 2025
74AQI
74AQI
21st January 2025
73AQI
73AQI
22nd January 2025
72AQI
72AQI
23rd January 2025
70AQI
70AQI
24th January 2025
70AQI
70AQI
25th January 2025
69AQI
69AQI
26th January 2025
70AQI
70AQI
27th January 2025
67AQI
67AQI
28th January 2025
65AQI
65AQI
29th January 2025
63AQI
63AQI
30th January 2025
62AQI
62AQI
31st January 2025
61AQI
61AQI
1st February 2025
60AQI
60AQI
2nd February 2025
61AQI
61AQI
3rd February 2025
60AQI
60AQI
4th February 2025
61AQI
61AQI
5th February 2025
60AQI
60AQI
6th February 2025
61AQI
61AQI
7th February 2025
62AQI
62AQI
8th February 2025
62AQI
62AQI
9th February 2025
63AQI
63AQI
10th February 2025
62AQI
62AQI
11th February 2025
62AQI
62AQI
12th February 2025
65AQI
65AQI
13th February 2025
64AQI
64AQI
14th February 2025
64AQI
64AQI
15th February 2025
63AQI
63AQI
16th February 2025
68AQI
68AQI
17th February 2025
71AQI
71AQI
18th February 2025
72AQI
72AQI
19th February 2025
72AQI
72AQI
20th February 2025
70AQI
70AQI
21st February 2025
70AQI
70AQI
22nd February 2025
69AQI
69AQI
23rd February 2025
69AQI
69AQI
24th February 2025
66AQI
66AQI
25th February 2025
66AQI
66AQI
26th February 2025
65AQI
65AQI
27th February 2025
63AQI
63AQI
28th February 2025
60AQI
60AQI
1st March 2025
60AQI
60AQI
2nd March 2025
59AQI
59AQI
3rd March 2025
58AQI
58AQI
4th March 2025
57AQI
57AQI
5th March 2025
57AQI
57AQI
6th March 2025
56AQI
56AQI
7th March 2025
56AQI
56AQI
8th March 2025
55AQI
55AQI
9th March 2025
54AQI
54AQI
10th March 2025
53AQI
53AQI
11th March 2025
51AQI
51AQI
12th March 2025
51AQI
51AQI
13th March 2025
50AQI
50AQI
14th March 2025
50AQI
50AQI
15th March 2025
49AQI
49AQI
16th March 2025
47AQI
47AQI
17th March 2025
45AQI
45AQI
18th March 2025
45AQI
45AQI
19th March 2025
44AQI
44AQI
20th March 2025
44AQI
44AQI
21st March 2025
44AQI
44AQI
22nd March 2025
45AQI
45AQI
23rd March 2025
43AQI
43AQI
24th March 2025
44AQI
44AQI
25th March 2025
45AQI
45AQI
26th March 2025
45AQI
45AQI
27th March 2025
45AQI
45AQI
28th March 2025
45AQI
45AQI
29th March 2025
46AQI
46AQI
30th March 2025
45AQI
45AQI
31st March 2025
44AQI
44AQI
1st April 2025
43AQI
43AQI
2nd April 2025
43AQI
43AQI
3rd April 2025
43AQI
43AQI
4th April 2025
42AQI
42AQI
5th April 2025
41AQI
41AQI
6th April 2025
40AQI
40AQI
7th April 2025
38AQI
38AQI
8th April 2025
36AQI
36AQI
9th April 2025
34AQI
34AQI
10th April 2025
32AQI
32AQI
11th April 2025
31AQI
31AQI
12th April 2025
32AQI
32AQI
13th April 2025
30AQI
30AQI
14th April 2025
30AQI
30AQI
15th April 2025
28AQI
28AQI
16th April 2025
29AQI
29AQI
17th April 2025
29AQI
29AQI
18th April 2025
27AQI
27AQI
19th April 2025
28AQI
28AQI
20th April 2025
28AQI
28AQI
21st April 2025
28AQI
28AQI
22nd April 2025
28AQI
28AQI
23rd April 2025
28AQI
28AQI
24th April 2025
28AQI
28AQI
25th April 2025
28AQI
28AQI
26th April 2025
29AQI
29AQI
27th April 2025
28AQI
28AQI
28th April 2025
29AQI
29AQI
29th April 2025
28AQI
28AQI
30th April 2025
28AQI
28AQI
1st May 2025
29AQI
29AQI
2nd May 2025
29AQI
29AQI
3rd May 2025
30AQI
30AQI
4th May 2025
29AQI
29AQI
5th May 2025
30AQI
30AQI
6th May 2025
31AQI
31AQI
7th May 2025
31AQI
31AQI
8th May 2025
31AQI
31AQI
9th May 2025
32AQI
32AQI
10th May 2025
31AQI
31AQI
11th May 2025
30AQI
30AQI
12th May 2025
28AQI
28AQI
13th May 2025
28AQI
28AQI
14th May 2025
27AQI
27AQI
15th May 2025
28AQI
28AQI
16th May 2025
28AQI
28AQI
17th May 2025
29AQI
29AQI
18th May 2025
27AQI
27AQI
19th May 2025
30AQI
30AQI
20th May 2025
28AQI
28AQI
21st May 2025
31AQI
31AQI
22nd May 2025
32AQI
32AQI
23rd May 2025
30AQI
30AQI
24th May 2025
29AQI
29AQI
25th May 2025
29AQI
29AQI
26th May 2025
30AQI
30AQI
27th May 2025
31AQI
31AQI
28th May 2025
32AQI
32AQI
29th May 2025
31AQI
31AQI
30th May 2025
34AQI
34AQI
31st May 2025
35AQI
35AQI
1st June 2025
38AQI
38AQI
2nd June 2025
37AQI
37AQI
3rd June 2025
39AQI
39AQI
4th June 2025
35AQI
35AQI
5th June 2025
36AQI
36AQI
6th June 2025
33AQI
33AQI
7th June 2025
34AQI
34AQI
8th June 2025
33AQI
33AQI
9th June 2025
32AQI
32AQI
10th June 2025
28AQI
28AQI
11th June 2025
26AQI
26AQI
12th June 2025
27AQI
27AQI
13th June 2025
27AQI
27AQI
14th June 2025
27AQI
27AQI
15th June 2025
29AQI
29AQI
16th June 2025
30AQI
30AQI
17th June 2025
35AQI
35AQI
18th June 2025
38AQI
38AQI
19th June 2025
37AQI
37AQI
20th June 2025
36AQI
36AQI
21st June 2025
39AQI
39AQI
22nd June 2025
39AQI
39AQI
23rd June 2025
38AQI
38AQI
24th June 2025
34AQI
34AQI
25th June 2025
32AQI
32AQI
26th June 2025
30AQI
30AQI
27th June 2025
33AQI
33AQI
28th June 2025
34AQI
34AQI
29th June 2025
35AQI
35AQI
30th June 2025
34AQI
34AQI
1st July 2025
33AQI
33AQI
2nd July 2025
31AQI
31AQI
3rd July 2025
31AQI
31AQI
4th July 2025
32AQI
32AQI
5th July 2025
28AQI
28AQI
6th July 2025
28AQI
28AQI
7th July 2025
27AQI
27AQI
8th July 2025
28AQI
28AQI
9th July 2025
29AQI
29AQI
10th July 2025
33AQI
33AQI
11th July 2025
35AQI
35AQI
12th July 2025
35AQI
35AQI
13th July 2025
38AQI
38AQI
14th July 2025
43AQI
43AQI
15th July 2025
59AQI
59AQI
16th July 2025
62AQI
62AQI
17th July 2025
65AQI
65AQI
18th July 2025
65AQI
65AQI
19th July 2025
64AQI
64AQI
20th July 2025
58AQI
58AQI
21st July 2025
59AQI
59AQI
22nd July 2025
62AQI
62AQI
23rd July 2025
60AQI
60AQI
24th July 2025
65AQI
65AQI
25th July 2025
60AQI
60AQI
26th July 2025
56AQI
56AQI
27th July 2025
58AQI
58AQI
28th July 2025
55AQI
55AQI
29th July 2025
47AQI
47AQI
30th July 2025
49AQI
49AQI
31st July 2025
47AQI
47AQI
1st August 2025
51AQI
51AQI
2nd August 2025
65AQI
65AQI
3rd August 2025
71AQI
71AQI
66AQI
65AQI
49AQI
32AQI
30AQI
34AQI
47AQI
62AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202546AQI
31
28
19
12
30
31
30
17
14
3
127
88
Highest AQI recorded in
January66AQI
Lowest AQI recorded in
May30AQI
202445AQI
16
1
1
1
10
2
9
21
11
20
24
7
14
11
4
27
4
28
2
4
27
145
95
4
Highest AQI recorded in
September65AQI
Lowest AQI recorded in
March25AQI
202329AQI
2
1
31
33
1
Highest AQI recorded in
November35AQI
Lowest AQI recorded in
December28AQI
202232AQI
5
16
8
29
Highest AQI recorded in
October39AQI
Lowest AQI recorded in
December28AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2025(Avg.)
46AQILeast Polluted Year Recorded
2023(Avg.)
29AQIPorto das Caixas's annual 2025 AQI (46) shows an average percentage change of 36.4% (worsened AQI) compared to previous years: 2022 (32), 2023 (29), 2024 (45).
