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+
November Air Quality Analysis
Niteroi, Rio de Janeiro, Brazil
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Nov 2025
68AQILowest AQI recorded on
17th Nov 2024
12AQISame Day Analysis (10th November ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 52 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 9th Nov - 10th Nov 2025
Niteroi, Rio de Janeiro, Brazil
AQI
Day
Night
.
5 AM9th Nov 2025
6 PM
4 AM10th Nov 2025
Day time
Avg. Highest Time
3PM9th Nov
67AQI
Avg. Lowest Time
9AM9th Nov
60AQI
Night time
Avg. Highest Time
8PM9th Nov
62AQI
Avg. Lowest Time
1AM10th Nov
40AQI
In the last 24 hours,
Niteroi's AQI reached its highest point of 67 at 3 PM during the Day, while the lowest point, 40, was recorded at 1 AM during the Night between 9th Nov and 10th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Niteroi, Rio de Janeiro, Brazil
OctNov
11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th
Day
Night
11th Oct 2025545 AMAQI
11th Oct 2025566 AMAQI
11th Oct 2025577 AMAQI
11th Oct 2025548 AMAQI
11th Oct 2025549 AMAQI
11th Oct 20255510 AMAQI
11th Oct 20256011 AMAQI
11th Oct 20256212 PMAQI
11th Oct 2025591 PMAQI
11th Oct 2025602 PMAQI
11th Oct 2025623 PMAQI
11th Oct 2025614 PMAQI
11th Oct 2025605 PMAQI
11th Oct 2025606 PMAQI
11th Oct 2025647 PMAQI
11th Oct 2025608 PMAQI
11th Oct 2025639 PMAQI
11th Oct 20256210 PMAQI
11th Oct 20256011 PMAQI
12th Oct 20256012 AMAQI
12th Oct 2025591 AMAQI
12th Oct 2025592 AMAQI
12th Oct 2025663 AMAQI
12th Oct 2025754 AMAQI
--°C/°C
12th Oct 2025695 AMAQI
12th Oct 2025706 AMAQI
12th Oct 2025757 AMAQI
12th Oct 2025768 AMAQI
12th Oct 2025789 AMAQI
12th Oct 20257410 AMAQI
12th Oct 20257111 AMAQI
12th Oct 20256812 PMAQI
12th Oct 2025681 PMAQI
12th Oct 2025682 PMAQI
12th Oct 2025673 PMAQI
12th Oct 2025704 PMAQI
12th Oct 2025685 PMAQI
12th Oct 2025686 PMAQI
12th Oct 2025717 PMAQI
12th Oct 2025748 PMAQI
12th Oct 2025799 PMAQI
12th Oct 20258010 PMAQI
12th Oct 20257411 PMAQI
13th Oct 20257712 AMAQI
13th Oct 2025751 AMAQI
13th Oct 2025742 AMAQI
13th Oct 2025743 AMAQI
13th Oct 2025764 AMAQI
25°C20/31°C
13th Oct 2025775 AMAQI
13th Oct 2025746 AMAQI
13th Oct 2025757 AMAQI
13th Oct 2025778 AMAQI
13th Oct 2025819 AMAQI
13th Oct 20257610 AMAQI
13th Oct 20256811 AMAQI
13th Oct 20257012 PMAQI
13th Oct 2025711 PMAQI
13th Oct 2025712 PMAQI
13th Oct 2025713 PMAQI
13th Oct 2025714 PMAQI
13th Oct 2025685 PMAQI
13th Oct 2025736 PMAQI
13th Oct 2025807 PMAQI
13th Oct 2025788 PMAQI
13th Oct 2025749 PMAQI
13th Oct 20257310 PMAQI
13th Oct 20256911 PMAQI
14th Oct 20256712 AMAQI
14th Oct 2025661 AMAQI
14th Oct 2025672 AMAQI
14th Oct 2025683 AMAQI
14th Oct 2025704 AMAQI
25°C22/32°C
14th Oct 2025765 AMAQI
14th Oct 2025796 AMAQI
14th Oct 2025717 AMAQI
14th Oct 2025728 AMAQI
14th Oct 2025769 AMAQI
14th Oct 20257610 AMAQI
14th Oct 20257311 AMAQI
14th Oct 20256912 PMAQI
14th Oct 2025711 PMAQI
14th Oct 2025702 PMAQI
14th Oct 2025683 PMAQI
14th Oct 2025704 PMAQI
14th Oct 2025725 PMAQI
14th Oct 2025726 PMAQI
14th Oct 2025747 PMAQI
14th Oct 2025758 PMAQI
14th Oct 2025839 PMAQI
14th Oct 20258810 PMAQI
14th Oct 20258311 PMAQI
15th Oct 20257712 AMAQI
15th Oct 2025711 AMAQI
15th Oct 2025722 AMAQI
15th Oct 2025703 AMAQI
15th Oct 2025684 AMAQI
24°C21/29°C
15th Oct 2025665 AMAQI
15th Oct 2025746 AMAQI
15th Oct 2025717 AMAQI
15th Oct 2025688 AMAQI
15th Oct 2025689 AMAQI
15th Oct 20257510 AMAQI
15th Oct 20257811 AMAQI
15th Oct 20257112 PMAQI
15th Oct 2025711 PMAQI
15th Oct 2025712 PMAQI
15th Oct 2025703 PMAQI
15th Oct 2025694 PMAQI
15th Oct 2025675 PMAQI
15th Oct 2025666 PMAQI
15th Oct 2025687 PMAQI
15th Oct 2025708 PMAQI
15th Oct 2025699 PMAQI
15th Oct 20257310 PMAQI
15th Oct 20257211 PMAQI
16th Oct 20257312 AMAQI
16th Oct 2025701 AMAQI
16th Oct 2025692 AMAQI
16th Oct 2025753 AMAQI
16th Oct 2025744 AMAQI
22°C20/24°C
16th Oct 2025695 AMAQI
16th Oct 2025706 AMAQI
16th Oct 2025777 AMAQI
16th Oct 2025798 AMAQI
16th Oct 2025779 AMAQI
16th Oct 20258010 AMAQI
16th Oct 20257411 AMAQI
16th Oct 20256812 PMAQI
16th Oct 2025721 PMAQI
16th Oct 2025702 PMAQI
16th Oct 2025693 PMAQI
16th Oct 2025674 PMAQI
16th Oct 2025725 PMAQI
16th Oct 2025766 PMAQI
16th Oct 2025727 PMAQI
16th Oct 2025798 PMAQI
16th Oct 2025859 PMAQI
16th Oct 20258210 PMAQI
16th Oct 20257311 PMAQI
17th Oct 20257212 AMAQI
17th Oct 2025741 AMAQI
17th Oct 2025712 AMAQI
17th Oct 2025733 AMAQI
17th Oct 2025824 AMAQI
23°C19/28°C
17th Oct 2025825 AMAQI
17th Oct 2025796 AMAQI
17th Oct 2025867 AMAQI
17th Oct 2025868 AMAQI
17th Oct 2025829 AMAQI
17th Oct 20258310 AMAQI
17th Oct 20258511 AMAQI
17th Oct 20258712 PMAQI
17th Oct 2025871 PMAQI
17th Oct 2025862 PMAQI
17th Oct 2025843 PMAQI
17th Oct 2025854 PMAQI
17th Oct 2025815 PMAQI
17th Oct 2025816 PMAQI
17th Oct 2025837 PMAQI
17th Oct 2025858 PMAQI
17th Oct 2025809 PMAQI
17th Oct 20258510 PMAQI
17th Oct 20258011 PMAQI
18th Oct 20257712 AMAQI
18th Oct 2025821 AMAQI
18th Oct 2025792 AMAQI
18th Oct 2025773 AMAQI
18th Oct 2025784 AMAQI
25°C20/31°C
18th Oct 2025785 AMAQI
18th Oct 2025756 AMAQI
18th Oct 2025757 AMAQI
18th Oct 2025798 AMAQI
18th Oct 2025739 AMAQI
18th Oct 20257410 AMAQI
18th Oct 20257111 AMAQI
18th Oct 20257412 PMAQI
18th Oct 2025691 PMAQI
18th Oct 2025732 PMAQI
18th Oct 2025713 PMAQI
18th Oct 2025704 PMAQI
18th Oct 2025725 PMAQI
18th Oct 2025636 PMAQI
18th Oct 2025617 PMAQI
18th Oct 2025638 PMAQI
18th Oct 2025629 PMAQI
18th Oct 20255810 PMAQI
18th Oct 20256011 PMAQI
19th Oct 20256012 AMAQI
19th Oct 2025571 AMAQI
19th Oct 2025572 AMAQI
19th Oct 2025653 AMAQI
19th Oct 2025714 AMAQI
24°C21/31°C
19th Oct 2025705 AMAQI
19th Oct 2025736 AMAQI
19th Oct 2025687 AMAQI
19th Oct 2025678 AMAQI
19th Oct 2025649 AMAQI
19th Oct 20256610 AMAQI
19th Oct 20257111 AMAQI
19th Oct 20256712 PMAQI
19th Oct 2025681 PMAQI
19th Oct 2025722 PMAQI
19th Oct 2025733 PMAQI
19th Oct 2025724 PMAQI
19th Oct 2025705 PMAQI
19th Oct 2025696 PMAQI
19th Oct 2025757 PMAQI
19th Oct 2025788 PMAQI
19th Oct 2025779 PMAQI
19th Oct 20257010 PMAQI
19th Oct 20256411 PMAQI
20th Oct 20256812 AMAQI
20th Oct 2025691 AMAQI
20th Oct 2025682 AMAQI
20th Oct 2025683 AMAQI
20th Oct 2025664 AMAQI
19°C17/19°C
20th Oct 2025675 AMAQI
20th Oct 2025656 AMAQI
20th Oct 2025637 AMAQI
20th Oct 2025648 AMAQI
20th Oct 2025639 AMAQI
20th Oct 20256310 AMAQI
20th Oct 20256311 AMAQI
20th Oct 20256512 PMAQI
20th Oct 2025651 PMAQI
20th Oct 2025642 PMAQI
20th Oct 2025643 PMAQI
20th Oct 2025674 PMAQI
20th Oct 2025665 PMAQI
20th Oct 2025656 PMAQI
20th Oct 2025667 PMAQI
20th Oct 2025628 PMAQI
20th Oct 2025619 PMAQI
20th Oct 20256210 PMAQI
20th Oct 20256111 PMAQI
21st Oct 20256112 AMAQI
21st Oct 2025661 AMAQI
21st Oct 2025672 AMAQI
21st Oct 2025653 AMAQI
21st Oct 2025674 AMAQI
18°C16/20°C
21st Oct 2025685 AMAQI
21st Oct 2025716 AMAQI
21st Oct 2025647 AMAQI
21st Oct 2025628 AMAQI
21st Oct 2025599 AMAQI
21st Oct 20256210 AMAQI
21st Oct 20255111 AMAQI
21st Oct 20254812 PMAQI
21st Oct 2025451 PMAQI
21st Oct 2025442 PMAQI
21st Oct 2025523 PMAQI
21st Oct 2025494 PMAQI
21st Oct 2025545 PMAQI
21st Oct 2025586 PMAQI
21st Oct 2025557 PMAQI
21st Oct 2025678 PMAQI
21st Oct 2025659 PMAQI
21st Oct 20256010 PMAQI
21st Oct 20255611 PMAQI
22nd Oct 20255312 AMAQI
22nd Oct 2025551 AMAQI
22nd Oct 2025562 AMAQI
22nd Oct 2025563 AMAQI
22nd Oct 2025574 AMAQI
18°C14/21°C
22nd Oct 2025515 AMAQI
22nd Oct 2025516 AMAQI
22nd Oct 2025527 AMAQI
22nd Oct 2025518 AMAQI
22nd Oct 2025509 AMAQI
22nd Oct 20255310 AMAQI
22nd Oct 20255611 AMAQI
22nd Oct 20255012 PMAQI
22nd Oct 2025491 PMAQI
22nd Oct 2025552 PMAQI
22nd Oct 2025533 PMAQI
22nd Oct 2025514 PMAQI
22nd Oct 2025485 PMAQI
22nd Oct 2025446 PMAQI
22nd Oct 2025577 PMAQI
22nd Oct 2025688 PMAQI
22nd Oct 2025729 PMAQI
22nd Oct 20256910 PMAQI
22nd Oct 20256811 PMAQI
23rd Oct 20256912 AMAQI
23rd Oct 2025691 AMAQI
23rd Oct 2025662 AMAQI
23rd Oct 2025583 AMAQI
23rd Oct 2025564 AMAQI
19°C14/23°C
23rd Oct 2025555 AMAQI
23rd Oct 2025546 AMAQI
23rd Oct 2025497 AMAQI
23rd Oct 2025488 AMAQI
23rd Oct 2025509 AMAQI
23rd Oct 20255110 AMAQI
23rd Oct 20255311 AMAQI
23rd Oct 20255512 PMAQI
23rd Oct 2025571 PMAQI
23rd Oct 2025552 PMAQI
23rd Oct 2025533 PMAQI
23rd Oct 2025554 PMAQI
23rd Oct 2025585 PMAQI
23rd Oct 2025566 PMAQI
23rd Oct 2025537 PMAQI
23rd Oct 2025648 PMAQI
23rd Oct 2025649 PMAQI
23rd Oct 20256010 PMAQI
23rd Oct 20255911 PMAQI
24th Oct 20256312 AMAQI
24th Oct 2025621 AMAQI
24th Oct 2025552 AMAQI
24th Oct 2025513 AMAQI
24th Oct 2025494 AMAQI
20°C15/26°C
24th Oct 2025565 AMAQI
24th Oct 2025606 AMAQI
24th Oct 2025597 AMAQI
24th Oct 2025528 AMAQI
24th Oct 2025509 AMAQI
24th Oct 20255210 AMAQI
24th Oct 20256111 AMAQI
24th Oct 20256112 PMAQI
24th Oct 2025641 PMAQI
24th Oct 2025632 PMAQI
24th Oct 2025563 PMAQI
24th Oct 2025554 PMAQI
24th Oct 2025465 PMAQI
24th Oct 2025446 PMAQI
24th Oct 2025587 PMAQI
24th Oct 2025688 PMAQI
24th Oct 2025699 PMAQI
24th Oct 20256710 PMAQI
24th Oct 20256311 PMAQI
25th Oct 20256812 AMAQI
25th Oct 2025751 AMAQI
25th Oct 2025762 AMAQI
25th Oct 2025753 AMAQI
25th Oct 2025754 AMAQI
21°C15/27°C
25th Oct 2025745 AMAQI
25th Oct 2025716 AMAQI
25th Oct 2025657 AMAQI
25th Oct 2025638 AMAQI
25th Oct 2025639 AMAQI
25th Oct 20256210 AMAQI
25th Oct 20256411 AMAQI
25th Oct 20256212 PMAQI
25th Oct 2025611 PMAQI
25th Oct 2025542 PMAQI
25th Oct 2025533 PMAQI
25th Oct 2025454 PMAQI
25th Oct 2025485 PMAQI
25th Oct 2025536 PMAQI
25th Oct 2025577 PMAQI
25th Oct 2025638 PMAQI
25th Oct 2025649 PMAQI
25th Oct 20256610 PMAQI
25th Oct 20256711 PMAQI
26th Oct 20256212 AMAQI
26th Oct 2025631 AMAQI
26th Oct 2025642 AMAQI
26th Oct 2025653 AMAQI
26th Oct 2025624 AMAQI
23°C17/28°C
26th Oct 2025615 AMAQI
26th Oct 2025596 AMAQI
26th Oct 2025617 AMAQI
26th Oct 2025638 AMAQI
26th Oct 2025629 AMAQI
26th Oct 20256210 AMAQI
26th Oct 20256111 AMAQI
26th Oct 20256012 PMAQI
26th Oct 2025601 PMAQI
26th Oct 2025602 PMAQI
26th Oct 2025583 PMAQI
26th Oct 2025584 PMAQI
26th Oct 2025605 PMAQI
26th Oct 2025586 PMAQI
26th Oct 2025587 PMAQI
26th Oct 2025588 PMAQI
26th Oct 2025629 PMAQI
26th Oct 20256410 PMAQI
26th Oct 20256611 PMAQI
27th Oct 20256512 AMAQI
27th Oct 2025631 AMAQI
27th Oct 2025622 AMAQI
27th Oct 2025683 AMAQI
27th Oct 2025724 AMAQI
26°C20/33°C
27th Oct 2025715 AMAQI
27th Oct 2025726 AMAQI
27th Oct 2025737 AMAQI
27th Oct 2025698 AMAQI
27th Oct 2025679 AMAQI
27th Oct 20256910 AMAQI
27th Oct 20256611 AMAQI
27th Oct 20256612 PMAQI
27th Oct 2025681 PMAQI
27th Oct 2025662 PMAQI
27th Oct 2025683 PMAQI
27th Oct 2025694 PMAQI
27th Oct 2025805 PMAQI
27th Oct 2025776 PMAQI
27th Oct 2025697 PMAQI
27th Oct 2025708 PMAQI
27th Oct 2025749 PMAQI
27th Oct 20257810 PMAQI
27th Oct 20257911 PMAQI
28th Oct 20257912 AMAQI
28th Oct 2025801 AMAQI
28th Oct 2025782 AMAQI
28th Oct 2025753 AMAQI
28th Oct 2025754 AMAQI
25°C21/32°C
28th Oct 2025735 AMAQI
28th Oct 2025696 AMAQI
28th Oct 2025757 AMAQI
28th Oct 2025768 AMAQI
28th Oct 2025749 AMAQI
28th Oct 20257110 AMAQI
28th Oct 20256911 AMAQI
28th Oct 20256812 PMAQI
28th Oct 2025681 PMAQI
28th Oct 2025682 PMAQI
28th Oct 2025683 PMAQI
28th Oct 2025664 PMAQI
28th Oct 2025665 PMAQI
28th Oct 2025676 PMAQI
28th Oct 2025667 PMAQI
28th Oct 2025658 PMAQI
28th Oct 2025659 PMAQI
28th Oct 20256710 PMAQI
28th Oct 20256811 PMAQI
29th Oct 20256512 AMAQI
29th Oct 2025621 AMAQI
29th Oct 2025612 AMAQI
29th Oct 2025623 AMAQI
29th Oct 2025624 AMAQI
24°C21/28°C
29th Oct 2025625 AMAQI
29th Oct 2025646 AMAQI
29th Oct 2025637 AMAQI
29th Oct 2025638 AMAQI
29th Oct 2025649 AMAQI
29th Oct 20256510 AMAQI
29th Oct 20256711 AMAQI
29th Oct 20256612 PMAQI
29th Oct 2025641 PMAQI
29th Oct 2025662 PMAQI
29th Oct 2025673 PMAQI
29th Oct 2025674 PMAQI
29th Oct 2025675 PMAQI
29th Oct 2025686 PMAQI
29th Oct 2025697 PMAQI
29th Oct 2025678 PMAQI
29th Oct 2025629 PMAQI
29th Oct 20256110 PMAQI
29th Oct 20256211 PMAQI
30th Oct 20256112 AMAQI
30th Oct 2025621 AMAQI
30th Oct 2025642 AMAQI
30th Oct 2025643 AMAQI
30th Oct 2025664 AMAQI
24°C20/30°C
30th Oct 2025665 AMAQI
30th Oct 2025666 AMAQI
30th Oct 2025647 AMAQI
30th Oct 2025638 AMAQI
30th Oct 2025639 AMAQI
30th Oct 20256410 AMAQI
30th Oct 20256311 AMAQI
30th Oct 20256312 PMAQI
30th Oct 2025641 PMAQI
30th Oct 2025652 PMAQI
30th Oct 2025643 PMAQI
30th Oct 2025644 PMAQI
30th Oct 2025625 PMAQI
30th Oct 2025626 PMAQI
30th Oct 2025627 PMAQI
30th Oct 2025608 PMAQI
30th Oct 2025609 PMAQI
30th Oct 20255910 PMAQI
30th Oct 20255811 PMAQI
31st Oct 20255712 AMAQI
31st Oct 2025591 AMAQI
31st Oct 2025592 AMAQI
31st Oct 2025583 AMAQI
31st Oct 2025564 AMAQI
20°C20/21°C
31st Oct 2025575 AMAQI
31st Oct 2025566 AMAQI
31st Oct 2025547 AMAQI
31st Oct 2025568 AMAQI
31st Oct 2025569 AMAQI
31st Oct 20255610 AMAQI
31st Oct 20255611 AMAQI
31st Oct 20255612 PMAQI
31st Oct 2025551 PMAQI
31st Oct 2025562 PMAQI
31st Oct 2025563 PMAQI
31st Oct 2025544 PMAQI
31st Oct 2025555 PMAQI
31st Oct 2025596 PMAQI
31st Oct 2025547 PMAQI
31st Oct 2025528 PMAQI
31st Oct 2025549 PMAQI
31st Oct 20255510 PMAQI
31st Oct 20255511 PMAQI
1st Nov 20255612 AMAQI
1st Nov 2025541 AMAQI
1st Nov 2025542 AMAQI
1st Nov 2025563 AMAQI
1st Nov 2025584 AMAQI
20°C19/22°C
1st Nov 2025585 AMAQI
1st Nov 2025606 AMAQI
1st Nov 2025587 AMAQI
1st Nov 2025598 AMAQI
1st Nov 2025599 AMAQI
1st Nov 20256010 AMAQI
1st Nov 20255811 AMAQI
1st Nov 20256012 PMAQI
1st Nov 2025611 PMAQI
1st Nov 2025632 PMAQI
1st Nov 2025663 PMAQI
1st Nov 2025754 PMAQI
1st Nov 2025785 PMAQI
1st Nov 2025716 PMAQI
1st Nov 2025657 PMAQI
1st Nov 2025648 PMAQI
1st Nov 2025629 PMAQI
1st Nov 20256010 PMAQI
1st Nov 20256111 PMAQI
2nd Nov 20256612 AMAQI
2nd Nov 2025691 AMAQI
2nd Nov 2025692 AMAQI
2nd Nov 2025693 AMAQI
2nd Nov 2025714 AMAQI
23°C19/29°C
2nd Nov 2025745 AMAQI
2nd Nov 2025736 AMAQI
2nd Nov 2025737 AMAQI
2nd Nov 2025728 AMAQI
2nd Nov 2025649 AMAQI
2nd Nov 20256510 AMAQI
2nd Nov 20256811 AMAQI
2nd Nov 20256812 PMAQI
2nd Nov 2025681 PMAQI
2nd Nov 2025702 PMAQI
2nd Nov 2025703 PMAQI
2nd Nov 2025694 PMAQI
2nd Nov 2025685 PMAQI
2nd Nov 2025686 PMAQI
2nd Nov 2025687 PMAQI
2nd Nov 2025668 PMAQI
2nd Nov 2025669 PMAQI
2nd Nov 20256610 PMAQI
2nd Nov 20256611 PMAQI
3rd Nov 20256712 AMAQI
3rd Nov 2025661 AMAQI
3rd Nov 2025652 AMAQI
3rd Nov 2025623 AMAQI
3rd Nov 2025614 AMAQI
22°C21/29°C
3rd Nov 2025635 AMAQI
3rd Nov 2025636 AMAQI
3rd Nov 2025627 AMAQI
3rd Nov 2025618 AMAQI
3rd Nov 2025619 AMAQI
3rd Nov 20256110 AMAQI
3rd Nov 20256311 AMAQI
3rd Nov 20256512 PMAQI
3rd Nov 2025631 PMAQI
3rd Nov 2025612 PMAQI
3rd Nov 2025613 PMAQI
3rd Nov 2025614 PMAQI
3rd Nov 2025615 PMAQI
3rd Nov 2025626 PMAQI
3rd Nov 2025607 PMAQI
3rd Nov 2025598 PMAQI
3rd Nov 2025639 PMAQI
3rd Nov 20256310 PMAQI
3rd Nov 20256211 PMAQI
4th Nov 20256412 AMAQI
4th Nov 2025631 AMAQI
4th Nov 2025662 AMAQI
4th Nov 2025653 AMAQI
4th Nov 2025634 AMAQI
24°C21/30°C
4th Nov 2025645 AMAQI
4th Nov 2025646 AMAQI
4th Nov 2025657 AMAQI
4th Nov 2025678 AMAQI
4th Nov 2025689 AMAQI
4th Nov 20256810 AMAQI
4th Nov 20256811 AMAQI
4th Nov 20257112 PMAQI
4th Nov 2025741 PMAQI
4th Nov 2025742 PMAQI
4th Nov 2025753 PMAQI
4th Nov 2025754 PMAQI
4th Nov 2025725 PMAQI
4th Nov 2025706 PMAQI
4th Nov 2025707 PMAQI
4th Nov 2025728 PMAQI
4th Nov 2025819 PMAQI
4th Nov 20257410 PMAQI
4th Nov 20256311 PMAQI
5th Nov 20256212 AMAQI
5th Nov 2025671 AMAQI
5th Nov 2025682 AMAQI
5th Nov 2025693 AMAQI
5th Nov 2025704 AMAQI
24°C21/27°C
5th Nov 2025705 AMAQI
5th Nov 2025746 AMAQI
5th Nov 2025747 AMAQI
5th Nov 2025758 AMAQI
5th Nov 2025729 AMAQI
5th Nov 20257110 AMAQI
5th Nov 20257111 AMAQI
5th Nov 20257012 PMAQI
5th Nov 2025701 PMAQI
5th Nov 2025692 PMAQI
5th Nov 2025703 PMAQI
5th Nov 2025704 PMAQI
5th Nov 2025685 PMAQI
5th Nov 2025696 PMAQI
5th Nov 2025657 PMAQI
5th Nov 2025628 PMAQI
5th Nov 2025609 PMAQI
5th Nov 20256510 PMAQI
5th Nov 20256611 PMAQI
6th Nov 20256612 AMAQI
6th Nov 2025661 AMAQI
6th Nov 2025662 AMAQI
6th Nov 2025663 AMAQI
6th Nov 2025664 AMAQI
26°C21/33°C
6th Nov 2025655 AMAQI
6th Nov 2025616 AMAQI
6th Nov 2025617 AMAQI
6th Nov 2025688 AMAQI
6th Nov 2025749 AMAQI
6th Nov 20257210 AMAQI
6th Nov 20257211 AMAQI
6th Nov 20257312 PMAQI
6th Nov 2025751 PMAQI
6th Nov 2025722 PMAQI
6th Nov 2025713 PMAQI
6th Nov 2025744 PMAQI
6th Nov 2025715 PMAQI
6th Nov 2025696 PMAQI
6th Nov 2025737 PMAQI
6th Nov 2025668 PMAQI
6th Nov 2025679 PMAQI
6th Nov 20256610 PMAQI
6th Nov 20256811 PMAQI
7th Nov 20256912 AMAQI
7th Nov 2025701 AMAQI
7th Nov 2025692 AMAQI
7th Nov 2025693 AMAQI
7th Nov 2025684 AMAQI
22°C20/23°C
7th Nov 2025655 AMAQI
7th Nov 2025606 AMAQI
7th Nov 2025587 AMAQI
7th Nov 2025628 AMAQI
7th Nov 2025649 AMAQI
7th Nov 20256310 AMAQI
7th Nov 20256411 AMAQI
7th Nov 20256412 PMAQI
7th Nov 2025641 PMAQI
7th Nov 2025572 PMAQI
7th Nov 2025593 PMAQI
7th Nov 2025514 PMAQI
7th Nov 2025535 PMAQI
7th Nov 2025546 PMAQI
7th Nov 2025587 PMAQI
7th Nov 2025658 PMAQI
7th Nov 2025679 PMAQI
7th Nov 20256210 PMAQI
7th Nov 20256211 PMAQI
8th Nov 20256312 AMAQI
8th Nov 2025611 AMAQI
8th Nov 2025602 AMAQI
8th Nov 2025613 AMAQI
8th Nov 2025634 AMAQI
21°C19/25°C
8th Nov 2025615 AMAQI
8th Nov 2025616 AMAQI
8th Nov 2025637 AMAQI
8th Nov 2025638 AMAQI
8th Nov 2025649 AMAQI
8th Nov 20256310 AMAQI
8th Nov 20254811 AMAQI
8th Nov 20254712 PMAQI
8th Nov 2025571 PMAQI
8th Nov 2025612 PMAQI
8th Nov 2025563 PMAQI
8th Nov 2025584 PMAQI
8th Nov 2025615 PMAQI
8th Nov 2025626 PMAQI
8th Nov 2025647 PMAQI
8th Nov 2025658 PMAQI
8th Nov 2025619 PMAQI
8th Nov 20256210 PMAQI
8th Nov 20256111 PMAQI
9th Nov 20256112 AMAQI
9th Nov 2025601 AMAQI
9th Nov 2025592 AMAQI
9th Nov 2025563 AMAQI
9th Nov 2025614 AMAQI
24°C19/34°C
9th Nov 2025615 AMAQI
9th Nov 2025626 AMAQI
9th Nov 2025657 AMAQI
9th Nov 2025628 AMAQI
9th Nov 2025609 AMAQI
9th Nov 20256410 AMAQI
9th Nov 20256411 AMAQI
9th Nov 20256412 PMAQI
9th Nov 2025621 PMAQI
9th Nov 2025642 PMAQI
9th Nov 2025673 PMAQI
9th Nov 2025654 PMAQI
9th Nov 2025645 PMAQI
9th Nov 2025626 PMAQI
9th Nov 2025617 PMAQI
9th Nov 2025628 PMAQI
9th Nov 2025539 PMAQI
9th Nov 20254510 PMAQI
9th Nov 20254911 PMAQI
10th Nov 20254812 AMAQI
10th Nov 2025401 AMAQI
10th Nov 2025432 AMAQI
10th Nov 2025463 AMAQI
10th Nov 2025444 AMAQI
21°C19/24°C
10th Nov 2025505 AMAQI
5 AM10th Nov 2025526 AMAQI
10th Nov 2025547 AMAQI
10th Nov 2025558 AMAQI
10th Nov 2025559 AMAQI
10th Nov 20255410 AMAQI
10th Nov 20255511 AMAQI
11 AM10th Nov 20255712 PMAQI
10th Nov 2025601 PMAQI
10th Nov 2025642 PMAQI
10th Nov 2025613 PMAQI
10th Nov 2025594 PMAQI
10th Nov 2025575 PMAQI
10th Nov 2025566 PMAQI
6 PM10th Nov 2025617 PMAQI
10th Nov 2025618 PMAQI
11 PM
4 AM
21°C18/24°C
Day time
Avg. Highest Time
5 AM - 6 PM
65AQI
14 hours / Day
420 hours / Month
Avg. Lowest Time
5 AM - 6 PM
65AQI
14 hours / Day
420 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 6 PM (Avg. 65), while the lowest AQI was between 5 AM to 6 PM (Avg. 65).
Night time
Avg. Highest Time
12 AM - 11 PM
66AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 7 PM
65AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 66), while the lowest AQI was between 12 AM to 7 PM (Avg. 65).
2025 Days Vs Air Quality
Niteroi, Rio de Janeiro, Brazil
2025
51%
160
49%
154
Total number of days with different AQI categories in last 315 days in 2025 (50 days remaining)
Good
160 DaysModerate
154 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 51%
Health Risk Level:
Considerable
In 2025, 51% of 315 days were within WHO’s safe air quality limits, and 49% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
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
48AQI
48AQI
30th July 2025
48AQI
48AQI
31st July 2025
48AQI
48AQI
1st August 2025
52AQI
52AQI
2nd August 2025
64AQI
64AQI
3rd August 2025
69AQI
69AQI
4th August 2025
66AQI
66AQI
5th August 2025
67AQI
67AQI
6th August 2025
58AQI
58AQI
7th August 2025
55AQI
55AQI
8th August 2025
59AQI
59AQI
9th August 2025
49AQI
49AQI
10th August 2025
43AQI
43AQI
11th August 2025
42AQI
42AQI
12th August 2025
43AQI
43AQI
13th August 2025
53AQI
53AQI
14th August 2025
61AQI
61AQI
15th August 2025
56AQI
56AQI
16th August 2025
53AQI
53AQI
17th August 2025
55AQI
55AQI
18th August 2025
59AQI
59AQI
19th August 2025
57AQI
57AQI
20th August 2025
58AQI
58AQI
21st August 2025
68AQI
68AQI
22nd August 2025
76AQI
76AQI
23rd August 2025
74AQI
74AQI
24th August 2025
65AQI
65AQI
25th August 2025
55AQI
55AQI
26th August 2025
46AQI
46AQI
27th August 2025
44AQI
44AQI
28th August 2025
50AQI
50AQI
29th August 2025
47AQI
47AQI
30th August 2025
45AQI
45AQI
31st August 2025
46AQI
46AQI
1st September 2025
45AQI
45AQI
2nd September 2025
44AQI
44AQI
3rd September 2025
44AQI
44AQI
4th September 2025
42AQI
42AQI
5th September 2025
55AQI
55AQI
6th September 2025
47AQI
47AQI
7th September 2025
47AQI
47AQI
8th September 2025
44AQI
44AQI
9th September 2025
52AQI
52AQI
10th September 2025
62AQI
62AQI
11th September 2025
67AQI
67AQI
12th September 2025
66AQI
66AQI
13th September 2025
58AQI
58AQI
14th September 2025
52AQI
52AQI
15th September 2025
49AQI
49AQI
16th September 2025
49AQI
49AQI
17th September 2025
45AQI
45AQI
18th September 2025
37AQI
37AQI
19th September 2025
36AQI
36AQI
20th September 2025
37AQI
37AQI
21st September 2025
38AQI
38AQI
22nd September 2025
40AQI
40AQI
23rd September 2025
41AQI
41AQI
24th September 2025
29AQI
29AQI
25th September 2025
24AQI
24AQI
26th September 2025
27AQI
27AQI
27th September 2025
20AQI
20AQI
28th September 2025
32AQI
32AQI
29th September 2025
50AQI
50AQI
30th September 2025
61AQI
61AQI
1st October 2025
74AQI
74AQI
2nd October 2025
73AQI
73AQI
3rd October 2025
62AQI
62AQI
4th October 2025
64AQI
64AQI
5th October 2025
77AQI
77AQI
6th October 2025
74AQI
74AQI
7th October 2025
74AQI
74AQI
8th October 2025
73AQI
73AQI
9th October 2025
64AQI
64AQI
10th October 2025
60AQI
60AQI
11th October 2025
61AQI
61AQI
12th October 2025
69AQI
69AQI
13th October 2025
75AQI
75AQI
14th October 2025
72AQI
72AQI
15th October 2025
73AQI
73AQI
16th October 2025
74AQI
74AQI
17th October 2025
80AQI
80AQI
18th October 2025
71AQI
71AQI
19th October 2025
67AQI
67AQI
20th October 2025
65AQI
65AQI
21st October 2025
60AQI
60AQI
22nd October 2025
56AQI
56AQI
23rd October 2025
59AQI
59AQI
24th October 2025
58AQI
58AQI
25th October 2025
64AQI
64AQI
26th October 2025
62AQI
62AQI
27th October 2025
70AQI
70AQI
28th October 2025
72AQI
72AQI
29th October 2025
65AQI
65AQI
30th October 2025
63AQI
63AQI
31st October 2025
56AQI
56AQI
1st November 2025
60AQI
60AQI
2nd November 2025
67AQI
67AQI
3rd November 2025
63AQI
63AQI
4th November 2025
68AQI
68AQI
5th November 2025
67AQI
67AQI
6th November 2025
68AQI
68AQI
7th November 2025
64AQI
64AQI
8th November 2025
61AQI
61AQI
9th November 2025
60AQI
60AQI
10th November 2025
52AQI
52AQI
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
65AQI
66AQI
50AQI
32AQI
31AQI
34AQI
47AQI
56AQI
45AQI
67AQI
63AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202550AQI
31
28
20
11
30
31
30
17
14
10
21
22
8
31
10
160
154
Highest AQI recorded in
October67AQI
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.)
50AQILeast Polluted Year Recorded
2023(Avg.)
28AQINiteroi's annual 2025 AQI (50) shows an average percentage change of 47.4% (worsened AQI) compared to previous years: 2022 (31), 2023 (28), 2024 (46).
