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+
July Air Quality Analysis
Niteroi, Rio de Janeiro, Brazil
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
18th Jul 2025
68AQILowest AQI recorded on
7th Jul 2025
26AQISame Day Analysis (29th July ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 49 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 29th Jul - 30th Jul 2025
Niteroi, Rio de Janeiro, Brazil
AQI
Day
Night
.
6 AM29th Jul 2025
5 PM
5 AM30th Jul 2025
Day time
Avg. Highest Time
9AM29th Jul
52AQI
Avg. Lowest Time
2PM29th Jul
45AQI
Night time
Avg. Highest Time
3AM30th Jul
51AQI
Avg. Lowest Time
5AM30th Jul
43AQI
In the last 24 hours,
Niteroi's AQI reached its highest point of 52 at 9 AM during the Day, while the lowest point, 43, was recorded at 5 AM during the Night between 29th Jul and 30th Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
Niteroi, Rio de Janeiro, Brazil
JunJul
30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 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
Day
Night
30th Jun 2025346 AMAQI
30th Jun 2025337 AMAQI
30th Jun 2025338 AMAQI
30th Jun 2025359 AMAQI
30th Jun 20253610 AMAQI
30th Jun 20253611 AMAQI
30th Jun 20253712 PMAQI
30th Jun 2025371 PMAQI
30th Jun 2025362 PMAQI
30th Jun 2025363 PMAQI
30th Jun 2025354 PMAQI
30th Jun 2025365 PMAQI
30th Jun 2025366 PMAQI
30th Jun 2025377 PMAQI
30th Jun 2025378 PMAQI
30th Jun 2025369 PMAQI
30th Jun 20253510 PMAQI
30th Jun 20253511 PMAQI
1st Jul 20253612 AMAQI
1st Jul 2025361 AMAQI
1st Jul 2025362 AMAQI
1st Jul 2025353 AMAQI
1st Jul 2025334 AMAQI
1st Jul 2025335 AMAQI
22°C20/26°C
1st Jul 2025336 AMAQI
1st Jul 2025337 AMAQI
1st Jul 2025318 AMAQI
1st Jul 2025359 AMAQI
1st Jul 20253410 AMAQI
1st Jul 20253411 AMAQI
1st Jul 20253412 PMAQI
1st Jul 2025341 PMAQI
1st Jul 2025342 PMAQI
1st Jul 2025343 PMAQI
1st Jul 2025344 PMAQI
1st Jul 2025345 PMAQI
1st Jul 2025346 PMAQI
1st Jul 2025347 PMAQI
1st Jul 2025348 PMAQI
1st Jul 2025349 PMAQI
1st Jul 20253310 PMAQI
1st Jul 20253311 PMAQI
2nd Jul 20253112 AMAQI
2nd Jul 2025301 AMAQI
2nd Jul 2025312 AMAQI
2nd Jul 2025303 AMAQI
2nd Jul 2025294 AMAQI
2nd Jul 2025295 AMAQI
21°C19/24°C
2nd Jul 2025296 AMAQI
2nd Jul 2025307 AMAQI
2nd Jul 2025318 AMAQI
2nd Jul 2025329 AMAQI
2nd Jul 20253210 AMAQI
2nd Jul 20253211 AMAQI
2nd Jul 20253212 PMAQI
2nd Jul 2025321 PMAQI
2nd Jul 2025312 PMAQI
2nd Jul 2025313 PMAQI
2nd Jul 2025314 PMAQI
2nd Jul 2025305 PMAQI
2nd Jul 2025306 PMAQI
2nd Jul 2025307 PMAQI
2nd Jul 2025308 PMAQI
2nd Jul 2025309 PMAQI
2nd Jul 20253110 PMAQI
2nd Jul 20253011 PMAQI
3rd Jul 20253012 AMAQI
3rd Jul 2025301 AMAQI
3rd Jul 2025302 AMAQI
3rd Jul 2025303 AMAQI
3rd Jul 2025304 AMAQI
3rd Jul 2025305 AMAQI
19°C18/20°C
3rd Jul 2025276 AMAQI
3rd Jul 2025297 AMAQI
3rd Jul 2025298 AMAQI
3rd Jul 2025299 AMAQI
3rd Jul 20252910 AMAQI
3rd Jul 20253011 AMAQI
3rd Jul 20253012 PMAQI
3rd Jul 2025291 PMAQI
3rd Jul 2025292 PMAQI
3rd Jul 2025303 PMAQI
3rd Jul 2025294 PMAQI
3rd Jul 2025295 PMAQI
3rd Jul 2025296 PMAQI
3rd Jul 2025307 PMAQI
3rd Jul 2025298 PMAQI
3rd Jul 2025319 PMAQI
3rd Jul 20253010 PMAQI
3rd Jul 20253211 PMAQI
4th Jul 20253212 AMAQI
4th Jul 2025321 AMAQI
4th Jul 2025322 AMAQI
4th Jul 2025303 AMAQI
4th Jul 2025304 AMAQI
4th Jul 2025295 AMAQI
18°C17/19°C
4th Jul 2025316 AMAQI
4th Jul 2025327 AMAQI
4th Jul 2025318 AMAQI
4th Jul 2025319 AMAQI
4th Jul 20253110 AMAQI
4th Jul 20253111 AMAQI
4th Jul 20253112 PMAQI
4th Jul 2025311 PMAQI
4th Jul 2025302 PMAQI
4th Jul 2025303 PMAQI
4th Jul 2025304 PMAQI
4th Jul 2025305 PMAQI
4th Jul 2025306 PMAQI
4th Jul 2025317 PMAQI
4th Jul 2025308 PMAQI
4th Jul 2025309 PMAQI
4th Jul 20253010 PMAQI
4th Jul 20253011 PMAQI
5th Jul 20252812 AMAQI
5th Jul 2025281 AMAQI
5th Jul 2025282 AMAQI
5th Jul 2025293 AMAQI
5th Jul 2025284 AMAQI
5th Jul 2025285 AMAQI
17°C16/19°C
5th Jul 2025276 AMAQI
5th Jul 2025297 AMAQI
5th Jul 2025298 AMAQI
5th Jul 2025299 AMAQI
5th Jul 20252910 AMAQI
5th Jul 20252711 AMAQI
5th Jul 20252712 PMAQI
5th Jul 2025291 PMAQI
5th Jul 2025282 PMAQI
5th Jul 2025283 PMAQI
5th Jul 2025294 PMAQI
5th Jul 2025285 PMAQI
5th Jul 2025296 PMAQI
5th Jul 2025297 PMAQI
5th Jul 2025298 PMAQI
5th Jul 2025289 PMAQI
5th Jul 20252610 PMAQI
5th Jul 20252711 PMAQI
6th Jul 20252612 AMAQI
6th Jul 2025251 AMAQI
6th Jul 2025272 AMAQI
6th Jul 2025283 AMAQI
6th Jul 2025264 AMAQI
6th Jul 2025265 AMAQI
18°C14/23°C
6th Jul 2025266 AMAQI
6th Jul 2025267 AMAQI
6th Jul 2025268 AMAQI
6th Jul 2025279 AMAQI
6th Jul 20252610 AMAQI
6th Jul 20252611 AMAQI
6th Jul 20252812 PMAQI
6th Jul 2025271 PMAQI
6th Jul 2025282 PMAQI
6th Jul 2025283 PMAQI
6th Jul 2025274 PMAQI
6th Jul 2025275 PMAQI
6th Jul 2025276 PMAQI
6th Jul 2025287 PMAQI
6th Jul 2025288 PMAQI
6th Jul 2025279 PMAQI
6th Jul 20252510 PMAQI
6th Jul 20252611 PMAQI
7th Jul 20252512 AMAQI
7th Jul 2025261 AMAQI
7th Jul 2025272 AMAQI
7th Jul 2025263 AMAQI
7th Jul 2025284 AMAQI
7th Jul 2025265 AMAQI
18°C14/21°C
7th Jul 2025266 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 2025275 PMAQI
7th Jul 2025276 PMAQI
7th Jul 2025277 PMAQI
7th Jul 2025278 PMAQI
7th Jul 2025289 PMAQI
7th Jul 20252910 PMAQI
7th Jul 20252811 PMAQI
8th Jul 20252812 AMAQI
8th Jul 2025261 AMAQI
8th Jul 2025292 AMAQI
8th Jul 2025283 AMAQI
8th Jul 2025274 AMAQI
8th Jul 2025265 AMAQI
18°C15/22°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 2025281 PMAQI
8th Jul 2025272 PMAQI
8th Jul 2025273 PMAQI
8th Jul 2025284 PMAQI
8th Jul 2025285 PMAQI
8th Jul 2025296 PMAQI
8th Jul 2025317 PMAQI
8th Jul 2025288 PMAQI
8th Jul 2025309 PMAQI
8th Jul 20253010 PMAQI
8th Jul 20252911 PMAQI
9th Jul 20252912 AMAQI
9th Jul 2025291 AMAQI
9th Jul 2025322 AMAQI
9th Jul 2025313 AMAQI
9th Jul 2025304 AMAQI
9th Jul 2025315 AMAQI
18°C15/24°C
9th Jul 2025306 AMAQI
9th Jul 2025307 AMAQI
9th Jul 2025308 AMAQI
9th Jul 2025319 AMAQI
9th Jul 20253010 AMAQI
9th Jul 20253011 AMAQI
9th Jul 20253012 PMAQI
9th Jul 2025311 PMAQI
9th Jul 2025302 PMAQI
9th Jul 2025283 PMAQI
9th Jul 2025294 PMAQI
9th Jul 2025295 PMAQI
9th Jul 2025306 PMAQI
9th Jul 2025307 PMAQI
9th Jul 2025308 PMAQI
9th Jul 2025309 PMAQI
9th Jul 20253110 PMAQI
9th Jul 20253111 PMAQI
10th Jul 20253212 AMAQI
10th Jul 2025331 AMAQI
10th Jul 2025332 AMAQI
10th Jul 2025333 AMAQI
10th Jul 2025334 AMAQI
10th Jul 2025335 AMAQI
19°C16/22°C
10th Jul 2025346 AMAQI
10th Jul 2025347 AMAQI
10th Jul 2025348 AMAQI
10th Jul 2025349 AMAQI
10th Jul 20253410 AMAQI
10th Jul 20253411 AMAQI
10th Jul 20253412 PMAQI
10th Jul 2025341 PMAQI
10th Jul 2025342 PMAQI
10th Jul 2025343 PMAQI
10th Jul 2025324 PMAQI
10th Jul 2025335 PMAQI
10th Jul 2025336 PMAQI
10th Jul 2025337 PMAQI
10th Jul 2025348 PMAQI
10th Jul 2025339 PMAQI
10th Jul 20253410 PMAQI
10th Jul 20253311 PMAQI
11th Jul 20253312 AMAQI
11th Jul 2025341 AMAQI
11th Jul 2025352 AMAQI
11th Jul 2025333 AMAQI
11th Jul 2025334 AMAQI
11th Jul 2025335 AMAQI
19°C16/23°C
11th Jul 2025336 AMAQI
11th Jul 2025387 AMAQI
11th Jul 2025358 AMAQI
11th Jul 2025359 AMAQI
11th Jul 20253510 AMAQI
11th Jul 20253611 AMAQI
11th Jul 20253512 PMAQI
11th Jul 2025351 PMAQI
11th Jul 2025352 PMAQI
11th Jul 2025363 PMAQI
11th Jul 2025354 PMAQI
11th Jul 2025355 PMAQI
11th Jul 2025366 PMAQI
11th Jul 2025367 PMAQI
11th Jul 2025368 PMAQI
11th Jul 2025359 PMAQI
11th Jul 20253410 PMAQI
11th Jul 20253511 PMAQI
12th Jul 20253512 AMAQI
12th Jul 2025361 AMAQI
12th Jul 2025352 AMAQI
12th Jul 2025343 AMAQI
12th Jul 2025344 AMAQI
12th Jul 2025335 AMAQI
20°C15/25°C
12th Jul 2025346 AMAQI
12th Jul 2025347 AMAQI
12th Jul 2025368 AMAQI
12th Jul 2025379 AMAQI
12th Jul 20253610 AMAQI
12th Jul 20253611 AMAQI
12th Jul 20253612 PMAQI
12th Jul 2025361 PMAQI
12th Jul 2025362 PMAQI
12th Jul 2025353 PMAQI
12th Jul 2025364 PMAQI
12th Jul 2025365 PMAQI
12th Jul 2025376 PMAQI
12th Jul 2025367 PMAQI
12th Jul 2025378 PMAQI
12th Jul 2025379 PMAQI
12th Jul 20253710 PMAQI
12th Jul 20253511 PMAQI
13th Jul 20253612 AMAQI
13th Jul 2025401 AMAQI
13th Jul 2025392 AMAQI
13th Jul 2025373 AMAQI
13th Jul 2025374 AMAQI
13th Jul 2025365 AMAQI
20°C16/25°C
13th Jul 2025386 AMAQI
13th Jul 2025367 AMAQI
13th Jul 2025378 AMAQI
13th Jul 2025399 AMAQI
13th Jul 20253810 AMAQI
13th Jul 20253811 AMAQI
13th Jul 20253812 PMAQI
13th Jul 2025381 PMAQI
13th Jul 2025392 PMAQI
13th Jul 2025383 PMAQI
13th Jul 2025384 PMAQI
13th Jul 2025385 PMAQI
13th Jul 2025376 PMAQI
13th Jul 2025397 PMAQI
13th Jul 2025388 PMAQI
13th Jul 2025399 PMAQI
13th Jul 20253610 PMAQI
13th Jul 20253611 PMAQI
14th Jul 20253412 AMAQI
14th Jul 2025331 AMAQI
14th Jul 2025352 AMAQI
14th Jul 2025343 AMAQI
14th Jul 2025344 AMAQI
14th Jul 2025345 AMAQI
19°C15/24°C
14th Jul 2025346 AMAQI
14th Jul 2025317 AMAQI
14th Jul 2025338 AMAQI
14th Jul 2025349 AMAQI
14th Jul 20253410 AMAQI
14th Jul 20254511 AMAQI
14th Jul 20255412 PMAQI
14th Jul 2025531 PMAQI
14th Jul 2025512 PMAQI
14th Jul 2025523 PMAQI
14th Jul 2025534 PMAQI
14th Jul 2025545 PMAQI
14th Jul 2025536 PMAQI
14th Jul 2025527 PMAQI
14th Jul 2025538 PMAQI
14th Jul 2025549 PMAQI
14th Jul 20255710 PMAQI
14th Jul 20255511 PMAQI
15th Jul 20256212 AMAQI
15th Jul 2025571 AMAQI
15th Jul 2025582 AMAQI
15th Jul 2025583 AMAQI
15th Jul 2025584 AMAQI
15th Jul 2025625 AMAQI
19°C15/24°C
15th Jul 2025606 AMAQI
15th Jul 2025567 AMAQI
15th Jul 2025598 AMAQI
15th Jul 2025619 AMAQI
15th Jul 20256010 AMAQI
15th Jul 20256011 AMAQI
15th Jul 20256012 PMAQI
15th Jul 2025561 PMAQI
15th Jul 2025542 PMAQI
15th Jul 2025573 PMAQI
15th Jul 2025574 PMAQI
15th Jul 2025575 PMAQI
15th Jul 2025596 PMAQI
15th Jul 2025597 PMAQI
15th Jul 2025598 PMAQI
15th Jul 2025619 PMAQI
15th Jul 20256010 PMAQI
15th Jul 20256211 PMAQI
16th Jul 20256112 AMAQI
16th Jul 2025631 AMAQI
16th Jul 2025622 AMAQI
16th Jul 2025603 AMAQI
16th Jul 2025624 AMAQI
16th Jul 2025655 AMAQI
19°C16/23°C
16th Jul 2025656 AMAQI
16th Jul 2025667 AMAQI
16th Jul 2025708 AMAQI
16th Jul 2025659 AMAQI
16th Jul 20256510 AMAQI
16th Jul 20256711 AMAQI
16th Jul 20256112 PMAQI
16th Jul 2025601 PMAQI
16th Jul 2025582 PMAQI
16th Jul 2025593 PMAQI
16th Jul 2025644 PMAQI
16th Jul 2025665 PMAQI
16th Jul 2025666 PMAQI
16th Jul 2025657 PMAQI
16th Jul 2025648 PMAQI
16th Jul 2025619 PMAQI
16th Jul 20255910 PMAQI
16th Jul 20256211 PMAQI
17th Jul 20256012 AMAQI
17th Jul 2025611 AMAQI
17th Jul 2025632 AMAQI
17th Jul 2025653 AMAQI
17th Jul 2025694 AMAQI
17th Jul 2025665 AMAQI
18°C14/24°C
17th Jul 2025676 AMAQI
17th Jul 2025697 AMAQI
17th Jul 2025688 AMAQI
17th Jul 2025699 AMAQI
17th Jul 20256910 AMAQI
17th Jul 20256911 AMAQI
17th Jul 20257012 PMAQI
17th Jul 2025701 PMAQI
17th Jul 2025672 PMAQI
17th Jul 2025643 PMAQI
17th Jul 2025644 PMAQI
17th Jul 2025665 PMAQI
17th Jul 2025696 PMAQI
17th Jul 2025717 PMAQI
17th Jul 2025698 PMAQI
17th Jul 2025689 PMAQI
17th Jul 20256910 PMAQI
17th Jul 20256611 PMAQI
18th Jul 20256612 AMAQI
18th Jul 2025701 AMAQI
18th Jul 2025702 AMAQI
18th Jul 2025633 AMAQI
18th Jul 2025654 AMAQI
18th Jul 2025685 AMAQI
20°C15/26°C
18th Jul 2025706 AMAQI
18th Jul 2025687 AMAQI
18th Jul 2025718 AMAQI
18th Jul 2025669 AMAQI
18th Jul 20256510 AMAQI
18th Jul 20256311 AMAQI
18th Jul 20256412 PMAQI
18th Jul 2025611 PMAQI
18th Jul 2025582 PMAQI
18th Jul 2025633 PMAQI
18th Jul 2025594 PMAQI
18th Jul 2025735 PMAQI
18th Jul 2025806 PMAQI
18th Jul 2025767 PMAQI
18th Jul 2025708 PMAQI
18th Jul 2025729 PMAQI
18th Jul 20257210 PMAQI
18th Jul 20257011 PMAQI
19th Jul 20257212 AMAQI
19th Jul 2025681 AMAQI
19th Jul 2025602 AMAQI
19th Jul 2025613 AMAQI
19th Jul 2025604 AMAQI
19th Jul 2025605 AMAQI
21°C17/29°C
19th Jul 2025636 AMAQI
19th Jul 2025657 AMAQI
19th Jul 2025618 AMAQI
19th Jul 2025609 AMAQI
19th Jul 20256010 AMAQI
19th Jul 20256111 AMAQI
19th Jul 20256112 PMAQI
19th Jul 2025591 PMAQI
19th Jul 2025612 PMAQI
19th Jul 2025593 PMAQI
19th Jul 2025644 PMAQI
19th Jul 2025645 PMAQI
19th Jul 2025646 PMAQI
19th Jul 2025647 PMAQI
19th Jul 2025638 PMAQI
19th Jul 2025679 PMAQI
19th Jul 20256510 PMAQI
19th Jul 20256211 PMAQI
20th Jul 20256212 AMAQI
20th Jul 2025571 AMAQI
20th Jul 2025562 AMAQI
20th Jul 2025623 AMAQI
20th Jul 2025624 AMAQI
20th Jul 2025615 AMAQI
19°C16/23°C
20th Jul 2025626 AMAQI
20th Jul 2025567 AMAQI
20th Jul 2025568 AMAQI
20th Jul 2025579 AMAQI
20th Jul 20255610 AMAQI
20th Jul 20255711 AMAQI
20th Jul 20255812 PMAQI
20th Jul 2025561 PMAQI
20th Jul 2025542 PMAQI
20th Jul 2025563 PMAQI
20th Jul 2025564 PMAQI
20th Jul 2025535 PMAQI
20th Jul 2025566 PMAQI
20th Jul 2025567 PMAQI
20th Jul 2025578 PMAQI
20th Jul 2025599 PMAQI
20th Jul 20256010 PMAQI
20th Jul 20255911 PMAQI
21st Jul 20256212 AMAQI
21st Jul 2025571 AMAQI
21st Jul 2025602 AMAQI
21st Jul 2025593 AMAQI
21st Jul 2025604 AMAQI
21st Jul 2025645 AMAQI
19°C15/23°C
21st Jul 2025586 AMAQI
21st Jul 2025597 AMAQI
21st Jul 2025588 AMAQI
21st Jul 2025589 AMAQI
21st Jul 20255410 AMAQI
21st Jul 20255411 AMAQI
21st Jul 20255512 PMAQI
21st Jul 2025531 PMAQI
21st Jul 2025542 PMAQI
21st Jul 2025553 PMAQI
21st Jul 2025564 PMAQI
21st Jul 2025575 PMAQI
21st Jul 2025586 PMAQI
21st Jul 2025597 PMAQI
21st Jul 2025578 PMAQI
21st Jul 2025609 PMAQI
21st Jul 20256710 PMAQI
21st Jul 20256511 PMAQI
22nd Jul 20256612 AMAQI
22nd Jul 2025631 AMAQI
22nd Jul 2025612 AMAQI
22nd Jul 2025623 AMAQI
22nd Jul 2025644 AMAQI
22nd Jul 2025595 AMAQI
20°C16/25°C
22nd Jul 2025616 AMAQI
22nd Jul 2025597 AMAQI
22nd Jul 2025658 AMAQI
22nd Jul 2025659 AMAQI
22nd Jul 20256010 AMAQI
22nd Jul 20256011 AMAQI
22nd Jul 20255812 PMAQI
22nd Jul 2025601 PMAQI
22nd Jul 2025572 PMAQI
22nd Jul 2025623 PMAQI
22nd Jul 2025604 PMAQI
22nd Jul 2025615 PMAQI
22nd Jul 2025636 PMAQI
22nd Jul 2025657 PMAQI
22nd Jul 2025658 PMAQI
22nd Jul 2025649 PMAQI
22nd Jul 20256310 PMAQI
22nd Jul 20256411 PMAQI
23rd Jul 20256212 AMAQI
23rd Jul 2025581 AMAQI
23rd Jul 2025592 AMAQI
23rd Jul 2025503 AMAQI
23rd Jul 2025614 AMAQI
23rd Jul 2025655 AMAQI
21°C16/27°C
23rd Jul 2025646 AMAQI
23rd Jul 2025647 AMAQI
23rd Jul 2025618 AMAQI
23rd Jul 2025649 AMAQI
23rd Jul 20256110 AMAQI
23rd Jul 20256211 AMAQI
23rd Jul 20255912 PMAQI
23rd Jul 2025591 PMAQI
23rd Jul 2025602 PMAQI
23rd Jul 2025623 PMAQI
23rd Jul 2025604 PMAQI
23rd Jul 2025615 PMAQI
23rd Jul 2025626 PMAQI
23rd Jul 2025657 PMAQI
23rd Jul 2025648 PMAQI
23rd Jul 2025649 PMAQI
23rd Jul 20256310 PMAQI
23rd Jul 20256611 PMAQI
24th Jul 20256512 AMAQI
24th Jul 2025681 AMAQI
24th Jul 2025792 AMAQI
24th Jul 2025643 AMAQI
24th Jul 2025664 AMAQI
24th Jul 2025645 AMAQI
21°C18/25°C
24th Jul 2025626 AMAQI
24th Jul 2025617 AMAQI
24th Jul 2025628 AMAQI
24th Jul 2025599 AMAQI
24th Jul 20255810 AMAQI
24th Jul 20256011 AMAQI
24th Jul 20256012 PMAQI
24th Jul 2025641 PMAQI
24th Jul 2025632 PMAQI
24th Jul 2025633 PMAQI
24th Jul 2025654 PMAQI
24th Jul 2025655 PMAQI
24th Jul 2025656 PMAQI
24th Jul 2025657 PMAQI
24th Jul 2025678 PMAQI
24th Jul 2025659 PMAQI
24th Jul 20256510 PMAQI
24th Jul 20256611 PMAQI
25th Jul 20256512 AMAQI
25th Jul 2025631 AMAQI
25th Jul 2025632 AMAQI
25th Jul 2025593 AMAQI
25th Jul 2025594 AMAQI
25th Jul 2025595 AMAQI
20°C17/22°C
25th Jul 2025606 AMAQI
25th Jul 2025607 AMAQI
25th Jul 2025598 AMAQI
25th Jul 2025619 AMAQI
25th Jul 20256210 AMAQI
25th Jul 20256211 AMAQI
25th Jul 20256012 PMAQI
25th Jul 2025601 PMAQI
25th Jul 2025572 PMAQI
25th Jul 2025573 PMAQI
25th Jul 2025594 PMAQI
25th Jul 2025595 PMAQI
25th Jul 2025596 PMAQI
25th Jul 2025637 PMAQI
25th Jul 2025608 PMAQI
25th Jul 2025629 PMAQI
25th Jul 20256210 PMAQI
25th Jul 20256411 PMAQI
26th Jul 20256412 AMAQI
26th Jul 2025611 AMAQI
26th Jul 2025572 AMAQI
26th Jul 2025613 AMAQI
26th Jul 2025554 AMAQI
26th Jul 2025565 AMAQI
21°C18/24°C
26th Jul 2025566 AMAQI
26th Jul 2025557 AMAQI
26th Jul 2025568 AMAQI
26th Jul 2025569 AMAQI
26th Jul 20254910 AMAQI
26th Jul 20255311 AMAQI
26th Jul 20255412 PMAQI
26th Jul 2025541 PMAQI
26th Jul 2025552 PMAQI
26th Jul 2025553 PMAQI
26th Jul 2025544 PMAQI
26th Jul 2025545 PMAQI
26th Jul 2025526 PMAQI
26th Jul 2025547 PMAQI
26th Jul 2025538 PMAQI
26th Jul 2025549 PMAQI
26th Jul 20255510 PMAQI
26th Jul 20255911 PMAQI
27th Jul 20255712 AMAQI
27th Jul 2025621 AMAQI
27th Jul 2025622 AMAQI
27th Jul 2025633 AMAQI
27th Jul 2025594 AMAQI
27th Jul 2025575 AMAQI
21°C19/25°C
27th Jul 2025616 AMAQI
27th Jul 2025617 AMAQI
27th Jul 2025608 AMAQI
27th Jul 2025599 AMAQI
27th Jul 20255910 AMAQI
27th Jul 20255511 AMAQI
27th Jul 20255512 PMAQI
27th Jul 2025561 PMAQI
27th Jul 2025552 PMAQI
27th Jul 2025593 PMAQI
27th Jul 2025564 PMAQI
27th Jul 2025575 PMAQI
27th Jul 2025576 PMAQI
27th Jul 2025587 PMAQI
27th Jul 2025568 PMAQI
27th Jul 2025609 PMAQI
27th Jul 20256310 PMAQI
27th Jul 20255611 PMAQI
28th Jul 20255712 AMAQI
28th Jul 2025571 AMAQI
28th Jul 2025592 AMAQI
28th Jul 2025633 AMAQI
28th Jul 2025544 AMAQI
28th Jul 2025545 AMAQI
22°C17/28°C
28th Jul 2025526 AMAQI
28th Jul 2025537 AMAQI
28th Jul 2025558 AMAQI
28th Jul 2025539 AMAQI
28th Jul 20255310 AMAQI
28th Jul 20255311 AMAQI
28th Jul 20255312 PMAQI
28th Jul 2025531 PMAQI
28th Jul 2025542 PMAQI
28th Jul 2025553 PMAQI
28th Jul 2025544 PMAQI
28th Jul 2025555 PMAQI
28th Jul 2025556 PMAQI
28th Jul 2025587 PMAQI
28th Jul 2025548 PMAQI
28th Jul 2025539 PMAQI
28th Jul 20255410 PMAQI
28th Jul 20255511 PMAQI
29th Jul 20255412 AMAQI
29th Jul 2025521 AMAQI
29th Jul 2025462 AMAQI
29th Jul 2025443 AMAQI
29th Jul 2025434 AMAQI
29th Jul 2025525 AMAQI
24°C20/31°C
29th Jul 2025466 AMAQI
29th Jul 2025497 AMAQI
29th Jul 2025508 AMAQI
29th Jul 2025529 AMAQI
29th Jul 20254910 AMAQI
29th Jul 20255011 AMAQI
29th Jul 20254912 PMAQI
29th Jul 2025481 PMAQI
29th Jul 2025452 PMAQI
29th Jul 2025463 PMAQI
29th Jul 2025484 PMAQI
29th Jul 2025465 PMAQI
29th Jul 2025446 PMAQI
29th Jul 2025477 PMAQI
29th Jul 2025478 PMAQI
29th Jul 2025479 PMAQI
29th Jul 20254710 PMAQI
29th Jul 20254411 PMAQI
30th Jul 20254612 AMAQI
30th Jul 2025501 AMAQI
30th Jul 2025502 AMAQI
30th Jul 2025513 AMAQI
30th Jul 2025454 AMAQI
30th Jul 2025435 AMAQI
19°C18/19°C
30th Jul 2025386 AMAQI
6 AM30th Jul 2025397 AMAQI
30th Jul 2025408 AMAQI
30th Jul 2025609 AMAQI
11 AM
5 PM
11 PM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 5 PM
46AQI
12 hours / Day
360 hours / Month
Avg. Lowest Time
6 AM - 5 PM
46AQI
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. 46), while the lowest AQI was between 6 AM to 5 PM (Avg. 46).
Night time
Avg. Highest Time
12 AM - 11 PM
47AQI
12 hours / Day
360 hours / Month
Avg. Lowest Time
12 AM - 11 PM
47AQI
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. 47), while the lowest AQI was between 12 AM to 11 PM (Avg. 47).
2025 Days Vs Air Quality
Niteroi, Rio de Janeiro, Brazil
2025
60%
126
40%
84
Total number of days with different AQI categories in last 211 days in 2025 (154 days remaining)
Good
126 DaysModerate
84 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 60%
Health Risk Level:
Moderate
In 2025, 60% of 211 days were within WHO’s safe air quality limits, and 40% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
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
69AQI
69AQI
2nd January 2025
64AQI
64AQI
3rd January 2025
64AQI
64AQI
4th January 2025
63AQI
63AQI
5th January 2025
62AQI
62AQI
6th January 2025
67AQI
67AQI
7th January 2025
66AQI
66AQI
8th January 2025
64AQI
64AQI
9th January 2025
64AQI
64AQI
10th January 2025
65AQI
65AQI
11th January 2025
66AQI
66AQI
12th January 2025
66AQI
66AQI
13th January 2025
65AQI
65AQI
14th January 2025
67AQI
67AQI
15th January 2025
66AQI
66AQI
16th January 2025
68AQI
68AQI
17th January 2025
66AQI
66AQI
18th January 2025
69AQI
69AQI
19th January 2025
69AQI
69AQI
20th January 2025
69AQI
69AQI
21st January 2025
68AQI
68AQI
22nd January 2025
68AQI
68AQI
23rd January 2025
67AQI
67AQI
24th January 2025
66AQI
66AQI
25th January 2025
67AQI
67AQI
26th January 2025
67AQI
67AQI
27th January 2025
64AQI
64AQI
28th January 2025
62AQI
62AQI
29th January 2025
61AQI
61AQI
30th January 2025
61AQI
61AQI
31st January 2025
60AQI
60AQI
1st February 2025
60AQI
60AQI
2nd February 2025
61AQI
61AQI
3rd February 2025
60AQI
60AQI
4th February 2025
60AQI
60AQI
5th February 2025
60AQI
60AQI
6th February 2025
61AQI
61AQI
7th February 2025
63AQI
63AQI
8th February 2025
64AQI
64AQI
9th February 2025
64AQI
64AQI
10th February 2025
65AQI
65AQI
11th February 2025
74AQI
74AQI
12th February 2025
74AQI
74AQI
13th February 2025
71AQI
71AQI
14th February 2025
69AQI
69AQI
15th February 2025
69AQI
69AQI
16th February 2025
71AQI
71AQI
17th February 2025
74AQI
74AQI
18th February 2025
72AQI
72AQI
19th February 2025
73AQI
73AQI
20th February 2025
71AQI
71AQI
21st February 2025
70AQI
70AQI
22nd February 2025
69AQI
69AQI
23rd February 2025
68AQI
68AQI
24th February 2025
66AQI
66AQI
25th February 2025
65AQI
65AQI
26th February 2025
64AQI
64AQI
27th February 2025
62AQI
62AQI
28th February 2025
60AQI
60AQI
1st March 2025
59AQI
59AQI
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
55AQI
55AQI
8th March 2025
55AQI
55AQI
9th March 2025
54AQI
54AQI
10th March 2025
53AQI
53AQI
11th March 2025
50AQI
50AQI
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
45AQI
45AQI
20th March 2025
44AQI
44AQI
21st March 2025
44AQI
44AQI
22nd March 2025
46AQI
46AQI
23rd March 2025
45AQI
45AQI
24th March 2025
45AQI
45AQI
25th March 2025
47AQI
47AQI
26th March 2025
46AQI
46AQI
27th March 2025
46AQI
46AQI
28th March 2025
46AQI
46AQI
29th March 2025
46AQI
46AQI
30th March 2025
45AQI
45AQI
31st March 2025
45AQI
45AQI
1st April 2025
43AQI
43AQI
2nd April 2025
44AQI
44AQI
3rd April 2025
44AQI
44AQI
4th April 2025
43AQI
43AQI
5th April 2025
41AQI
41AQI
6th April 2025
40AQI
40AQI
7th April 2025
38AQI
38AQI
8th April 2025
34AQI
34AQI
9th April 2025
33AQI
33AQI
10th April 2025
32AQI
32AQI
11th April 2025
32AQI
32AQI
12th April 2025
32AQI
32AQI
13th April 2025
31AQI
31AQI
14th April 2025
30AQI
30AQI
15th April 2025
29AQI
29AQI
16th April 2025
29AQI
29AQI
17th April 2025
29AQI
29AQI
18th April 2025
27AQI
27AQI
19th April 2025
29AQI
29AQI
20th April 2025
28AQI
28AQI
21st April 2025
28AQI
28AQI
22nd April 2025
27AQI
27AQI
23rd April 2025
28AQI
28AQI
24th April 2025
28AQI
28AQI
25th April 2025
28AQI
28AQI
26th April 2025
28AQI
28AQI
27th April 2025
28AQI
28AQI
28th April 2025
29AQI
29AQI
29th April 2025
29AQI
29AQI
30th April 2025
29AQI
29AQI
1st May 2025
30AQI
30AQI
2nd May 2025
30AQI
30AQI
3rd May 2025
32AQI
32AQI
4th May 2025
31AQI
31AQI
5th May 2025
32AQI
32AQI
6th May 2025
32AQI
32AQI
7th May 2025
32AQI
32AQI
8th May 2025
32AQI
32AQI
9th May 2025
32AQI
32AQI
10th May 2025
32AQI
32AQI
11th May 2025
31AQI
31AQI
12th May 2025
30AQI
30AQI
13th May 2025
29AQI
29AQI
14th May 2025
28AQI
28AQI
15th May 2025
28AQI
28AQI
16th May 2025
29AQI
29AQI
17th May 2025
30AQI
30AQI
18th May 2025
28AQI
28AQI
19th May 2025
31AQI
31AQI
20th May 2025
29AQI
29AQI
21st May 2025
32AQI
32AQI
22nd May 2025
33AQI
33AQI
23rd May 2025
31AQI
31AQI
24th May 2025
30AQI
30AQI
25th May 2025
30AQI
30AQI
26th May 2025
31AQI
31AQI
27th May 2025
32AQI
32AQI
28th May 2025
33AQI
33AQI
29th May 2025
32AQI
32AQI
30th May 2025
35AQI
35AQI
31st May 2025
35AQI
35AQI
1st June 2025
39AQI
39AQI
2nd June 2025
37AQI
37AQI
3rd June 2025
40AQI
40AQI
4th June 2025
35AQI
35AQI
5th June 2025
37AQI
37AQI
6th June 2025
34AQI
34AQI
7th June 2025
34AQI
34AQI
8th June 2025
32AQI
32AQI
9th June 2025
32AQI
32AQI
10th June 2025
29AQI
29AQI
11th June 2025
26AQI
26AQI
12th June 2025
27AQI
27AQI
13th June 2025
27AQI
27AQI
14th June 2025
27AQI
27AQI
15th June 2025
30AQI
30AQI
16th June 2025
31AQI
31AQI
17th June 2025
36AQI
36AQI
18th June 2025
38AQI
38AQI
19th June 2025
37AQI
37AQI
20th June 2025
37AQI
37AQI
21st June 2025
40AQI
40AQI
22nd June 2025
40AQI
40AQI
23rd June 2025
38AQI
38AQI
24th June 2025
34AQI
34AQI
25th June 2025
32AQI
32AQI
26th June 2025
31AQI
31AQI
27th June 2025
33AQI
33AQI
28th June 2025
35AQI
35AQI
29th June 2025
35AQI
35AQI
30th June 2025
35AQI
35AQI
1st July 2025
34AQI
34AQI
2nd July 2025
31AQI
31AQI
3rd July 2025
30AQI
30AQI
4th July 2025
31AQI
31AQI
5th July 2025
28AQI
28AQI
6th July 2025
27AQI
27AQI
7th July 2025
26AQI
26AQI
8th July 2025
28AQI
28AQI
9th July 2025
30AQI
30AQI
10th July 2025
33AQI
33AQI
11th July 2025
34AQI
34AQI
12th July 2025
35AQI
35AQI
13th July 2025
38AQI
38AQI
14th July 2025
43AQI
43AQI
15th July 2025
59AQI
59AQI
16th July 2025
63AQI
63AQI
17th July 2025
66AQI
66AQI
18th July 2025
68AQI
68AQI
19th July 2025
65AQI
65AQI
20th July 2025
59AQI
59AQI
21st July 2025
58AQI
58AQI
22nd July 2025
63AQI
63AQI
23rd July 2025
62AQI
62AQI
24th July 2025
65AQI
65AQI
25th July 2025
61AQI
61AQI
26th July 2025
57AQI
57AQI
27th July 2025
58AQI
58AQI
28th July 2025
55AQI
55AQI
29th July 2025
49AQI
49AQI
65AQI
66AQI
50AQI
32AQI
31AQI
34AQI
47AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202546AQI
31
28
20
11
30
31
30
15
14
126
84
Highest AQI recorded in
February66AQI
Lowest AQI recorded in
May31AQI
202446AQI
16
1
1
1
10
2
9
21
12
19
24
7
14
11
4
27
4
22
8
31
136
104
4
Highest AQI recorded in
September66AQI
Lowest AQI recorded in
March25AQI
202328AQI
2
1
31
33
1
Highest AQI recorded in
November35AQI
Lowest AQI recorded in
December28AQI
202231AQI
7
12
16
8
43
Highest AQI recorded in
October35AQI
Lowest AQI recorded in
December25AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2025(Avg.)
46AQILeast Polluted Year Recorded
2023(Avg.)
28AQINiteroi's annual 2025 AQI (46) shows an average percentage change of 37.3% (worsened AQI) compared to previous years: 2022 (31), 2023 (28), 2024 (46).
