Western Water Catchment, West Region, Singapore 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
Western Water Catchment, West Region, Singapore
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
11th Aug 2026
88AQILowest AQI recorded on
8th Aug 2023
20AQISame Day Analysis (16th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 78 of Moderate air quality on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Western Water Catchment, West Region, Singapore
AQI
Day
Night
.
7 AM15th Aug 2026
7 PM
6 AM16th Aug 2026
Day time
Avg. Highest Time
1PM15th Aug
101AQI
Avg. Lowest Time
7AM15th Aug
63AQI
Night time
Avg. Highest Time
10PM15th Aug
87AQI
Avg. Lowest Time
5AM16th Aug
68AQI
In the last 24 hours,
Western Water Catchment's AQI reached its highest point of 101 at 1 PM during the Day, while the lowest point, 63, was recorded at 7 AM during the Day between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Western Water Catchment, West Region, Singapore
JulAug
18th - 19th19th - 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
Day
Night
18th Jul 2026537 AMAQI
18th Jul 2026488 AMAQI
18th Jul 2026489 AMAQI
18th Jul 20265410 AMAQI
18th Jul 20265411 AMAQI
18th Jul 20265112 PMAQI
18th Jul 2026461 PMAQI
18th Jul 2026492 PMAQI
18th Jul 2026483 PMAQI
18th Jul 2026494 PMAQI
18th Jul 2026535 PMAQI
18th Jul 2026506 PMAQI
18th Jul 2026527 PMAQI
18th Jul 2026448 PMAQI
18th Jul 2026569 PMAQI
18th Jul 20266410 PMAQI
18th Jul 20264411 PMAQI
19th Jul 20264612 AMAQI
19th Jul 2026531 AMAQI
19th Jul 2026532 AMAQI
19th Jul 2026563 AMAQI
19th Jul 2026584 AMAQI
19th Jul 2026565 AMAQI
19th Jul 2026536 AMAQI
28°C26/30°C
19th Jul 2026537 AMAQI
19th Jul 2026518 AMAQI
19th Jul 2026569 AMAQI
19th Jul 20266410 AMAQI
19th Jul 20266411 AMAQI
19th Jul 20265912 PMAQI
19th Jul 2026591 PMAQI
19th Jul 2026572 PMAQI
19th Jul 2026523 PMAQI
19th Jul 2026554 PMAQI
19th Jul 2026575 PMAQI
19th Jul 2026606 PMAQI
19th Jul 2026597 PMAQI
19th Jul 2026578 PMAQI
19th Jul 2026629 PMAQI
19th Jul 20266810 PMAQI
19th Jul 20266811 PMAQI
20th Jul 20266712 AMAQI
20th Jul 2026641 AMAQI
20th Jul 2026652 AMAQI
20th Jul 2026633 AMAQI
20th Jul 2026684 AMAQI
20th Jul 2026665 AMAQI
20th Jul 2026626 AMAQI
28°C26/30°C
20th Jul 2026607 AMAQI
20th Jul 2026578 AMAQI
20th Jul 2026589 AMAQI
20th Jul 20266010 AMAQI
20th Jul 20266511 AMAQI
20th Jul 20266012 PMAQI
20th Jul 2026601 PMAQI
20th Jul 2026632 PMAQI
20th Jul 2026643 PMAQI
20th Jul 2026654 PMAQI
20th Jul 2026665 PMAQI
20th Jul 2026646 PMAQI
20th Jul 2026677 PMAQI
20th Jul 2026678 PMAQI
20th Jul 2026739 PMAQI
20th Jul 20267410 PMAQI
20th Jul 20267211 PMAQI
21st Jul 20267212 AMAQI
21st Jul 2026821 AMAQI
21st Jul 2026742 AMAQI
21st Jul 2026803 AMAQI
21st Jul 2026804 AMAQI
21st Jul 2026785 AMAQI
21st Jul 2026746 AMAQI
28°C27/30°C
21st Jul 2026747 AMAQI
21st Jul 2026748 AMAQI
21st Jul 2026749 AMAQI
21st Jul 20268410 AMAQI
21st Jul 20267112 PMAQI
21st Jul 2026671 PMAQI
21st Jul 2026662 PMAQI
21st Jul 2026723 PMAQI
21st Jul 2026764 PMAQI
21st Jul 2026715 PMAQI
21st Jul 2026836 PMAQI
21st Jul 2026747 PMAQI
21st Jul 2026768 PMAQI
21st Jul 2026739 PMAQI
21st Jul 20267610 PMAQI
21st Jul 20267511 PMAQI
22nd Jul 20267612 AMAQI
22nd Jul 2026781 AMAQI
22nd Jul 2026722 AMAQI
22nd Jul 2026703 AMAQI
22nd Jul 2026684 AMAQI
22nd Jul 2026685 AMAQI
22nd Jul 2026706 AMAQI
28°C27/30°C
22nd Jul 2026717 AMAQI
22nd Jul 2026718 AMAQI
22nd Jul 2026689 AMAQI
22nd Jul 20267610 AMAQI
22nd Jul 20267811 AMAQI
22nd Jul 20266912 PMAQI
22nd Jul 2026651 PMAQI
22nd Jul 2026522 PMAQI
22nd Jul 2026493 PMAQI
22nd Jul 2026544 PMAQI
22nd Jul 2026675 PMAQI
22nd Jul 2026666 PMAQI
22nd Jul 2026547 PMAQI
22nd Jul 2026558 PMAQI
22nd Jul 2026599 PMAQI
22nd Jul 20265610 PMAQI
22nd Jul 20265811 PMAQI
23rd Jul 20265612 AMAQI
23rd Jul 2026561 AMAQI
23rd Jul 2026622 AMAQI
23rd Jul 2026523 AMAQI
23rd Jul 2026504 AMAQI
23rd Jul 2026585 AMAQI
23rd Jul 2026566 AMAQI
28°C26/29°C
23rd Jul 2026597 AMAQI
23rd Jul 2026638 AMAQI
23rd Jul 2026599 AMAQI
23rd Jul 20266310 AMAQI
23rd Jul 20265711 AMAQI
23rd Jul 20265612 PMAQI
23rd Jul 2026571 PMAQI
23rd Jul 2026572 PMAQI
23rd Jul 2026553 PMAQI
23rd Jul 2026584 PMAQI
23rd Jul 2026645 PMAQI
23rd Jul 2026606 PMAQI
23rd Jul 2026697 PMAQI
23rd Jul 2026738 PMAQI
23rd Jul 2026749 PMAQI
23rd Jul 20267010 PMAQI
23rd Jul 20267611 PMAQI
24th Jul 20267812 AMAQI
24th Jul 2026811 AMAQI
24th Jul 2026762 AMAQI
24th Jul 2026743 AMAQI
24th Jul 2026744 AMAQI
24th Jul 2026745 AMAQI
24th Jul 2026746 AMAQI
28°C26/29°C
24th Jul 2026717 AMAQI
24th Jul 2026728 AMAQI
24th Jul 2026769 AMAQI
24th Jul 20268310 AMAQI
24th Jul 20267211 AMAQI
24th Jul 20266912 PMAQI
24th Jul 2026721 PMAQI
24th Jul 2026712 PMAQI
24th Jul 2026663 PMAQI
24th Jul 2026684 PMAQI
24th Jul 2026665 PMAQI
24th Jul 2026636 PMAQI
24th Jul 2026587 PMAQI
24th Jul 2026588 PMAQI
24th Jul 2026589 PMAQI
24th Jul 20265710 PMAQI
24th Jul 20265611 PMAQI
25th Jul 20265412 AMAQI
25th Jul 2026631 AMAQI
25th Jul 2026582 AMAQI
25th Jul 2026583 AMAQI
25th Jul 2026634 AMAQI
25th Jul 2026655 AMAQI
25th Jul 2026686 AMAQI
28°C26/29°C
25th Jul 2026667 AMAQI
25th Jul 2026688 AMAQI
25th Jul 2026679 AMAQI
25th Jul 20266210 AMAQI
25th Jul 20266511 AMAQI
25th Jul 20266012 PMAQI
25th Jul 2026591 PMAQI
25th Jul 2026632 PMAQI
25th Jul 2026633 PMAQI
25th Jul 2026594 PMAQI
25th Jul 2026585 PMAQI
25th Jul 2026566 PMAQI
25th Jul 2026537 PMAQI
25th Jul 2026548 PMAQI
25th Jul 2026589 PMAQI
25th Jul 20265810 PMAQI
25th Jul 20265911 PMAQI
26th Jul 20265712 AMAQI
26th Jul 2026571 AMAQI
26th Jul 2026572 AMAQI
26th Jul 2026563 AMAQI
26th Jul 2026584 AMAQI
26th Jul 2026545 AMAQI
26th Jul 2026606 AMAQI
28°C27/29°C
26th Jul 2026607 AMAQI
26th Jul 2026648 AMAQI
26th Jul 2026649 AMAQI
26th Jul 20266410 AMAQI
26th Jul 20266911 AMAQI
26th Jul 20266212 PMAQI
26th Jul 2026581 PMAQI
26th Jul 2026662 PMAQI
26th Jul 2026573 PMAQI
26th Jul 2026544 PMAQI
26th Jul 2026605 PMAQI
26th Jul 2026656 PMAQI
26th Jul 2026587 PMAQI
26th Jul 2026588 PMAQI
26th Jul 2026609 PMAQI
26th Jul 20266210 PMAQI
26th Jul 20265511 PMAQI
27th Jul 20265612 AMAQI
27th Jul 2026521 AMAQI
27th Jul 2026482 AMAQI
27th Jul 2026633 AMAQI
27th Jul 2026624 AMAQI
27th Jul 2026585 AMAQI
27th Jul 2026586 AMAQI
27°C26/28°C
27th Jul 2026587 AMAQI
27th Jul 2026638 AMAQI
27th Jul 2026649 AMAQI
27th Jul 20265210 AMAQI
27th Jul 20265511 AMAQI
27th Jul 20265912 PMAQI
27th Jul 2026691 PMAQI
27th Jul 2026542 PMAQI
27th Jul 2026623 PMAQI
27th Jul 2026764 PMAQI
27th Jul 2026825 PMAQI
27th Jul 2026706 PMAQI
27th Jul 2026747 PMAQI
27th Jul 2026928 PMAQI
27th Jul 2026819 PMAQI
27th Jul 20268210 PMAQI
27th Jul 20268311 PMAQI
28th Jul 20268212 AMAQI
28th Jul 2026781 AMAQI
28th Jul 2026752 AMAQI
28th Jul 2026673 AMAQI
28th Jul 2026634 AMAQI
28th Jul 2026585 AMAQI
28th Jul 2026596 AMAQI
27°C26/27°C
28th Jul 2026577 AMAQI
28th Jul 2026608 AMAQI
28th Jul 2026609 AMAQI
28th Jul 20266410 AMAQI
28th Jul 20266211 AMAQI
28th Jul 20265912 PMAQI
28th Jul 2026691 PMAQI
28th Jul 2026602 PMAQI
28th Jul 2026593 PMAQI
28th Jul 2026604 PMAQI
28th Jul 2026635 PMAQI
28th Jul 2026606 PMAQI
28th Jul 2026687 PMAQI
28th Jul 2026648 PMAQI
28th Jul 2026599 PMAQI
28th Jul 20265410 PMAQI
28th Jul 20265911 PMAQI
29th Jul 20266312 AMAQI
29th Jul 2026601 AMAQI
29th Jul 2026572 AMAQI
29th Jul 2026523 AMAQI
29th Jul 2026504 AMAQI
29th Jul 2026525 AMAQI
29th Jul 2026506 AMAQI
28°C26/29°C
29th Jul 2026507 AMAQI
29th Jul 2026538 AMAQI
29th Jul 2026539 AMAQI
29th Jul 20265910 AMAQI
29th Jul 20265511 AMAQI
29th Jul 20265612 PMAQI
29th Jul 2026541 PMAQI
29th Jul 2026582 PMAQI
29th Jul 2026603 PMAQI
29th Jul 2026584 PMAQI
29th Jul 2026665 PMAQI
29th Jul 2026656 PMAQI
29th Jul 2026577 PMAQI
29th Jul 2026578 PMAQI
29th Jul 2026629 PMAQI
29th Jul 20267410 PMAQI
29th Jul 20268111 PMAQI
30th Jul 20266712 AMAQI
30th Jul 2026761 AMAQI
30th Jul 2026762 AMAQI
30th Jul 2026763 AMAQI
30th Jul 2026684 AMAQI
30th Jul 2026685 AMAQI
30th Jul 2026596 AMAQI
28°C27/30°C
30th Jul 2026577 AMAQI
30th Jul 2026568 AMAQI
30th Jul 2026599 AMAQI
30th Jul 20266010 AMAQI
30th Jul 20265411 AMAQI
30th Jul 20265412 PMAQI
30th Jul 2026641 PMAQI
30th Jul 2026572 PMAQI
30th Jul 2026583 PMAQI
30th Jul 2026504 PMAQI
30th Jul 2026525 PMAQI
30th Jul 2026576 PMAQI
30th Jul 2026557 PMAQI
30th Jul 2026538 PMAQI
30th Jul 2026529 PMAQI
30th Jul 20265410 PMAQI
30th Jul 20265611 PMAQI
31st Jul 20265512 AMAQI
31st Jul 2026541 AMAQI
31st Jul 2026512 AMAQI
31st Jul 2026483 AMAQI
31st Jul 2026504 AMAQI
31st Jul 2026495 AMAQI
31st Jul 2026546 AMAQI
28°C27/30°C
31st Jul 2026557 AMAQI
31st Jul 2026598 AMAQI
31st Jul 2026689 AMAQI
31st Jul 20266810 AMAQI
31st Jul 20267211 AMAQI
31st Jul 20266212 PMAQI
31st Jul 2026511 PMAQI
31st Jul 2026572 PMAQI
31st Jul 2026513 PMAQI
31st Jul 2026514 PMAQI
31st Jul 2026565 PMAQI
31st Jul 2026546 PMAQI
31st Jul 2026547 PMAQI
31st Jul 2026668 PMAQI
31st Jul 2026609 PMAQI
31st Jul 20265710 PMAQI
31st Jul 20265911 PMAQI
1st Aug 20266312 AMAQI
1st Aug 2026621 AMAQI
1st Aug 2026592 AMAQI
1st Aug 2026563 AMAQI
1st Aug 2026584 AMAQI
1st Aug 2026505 AMAQI
1st Aug 2026606 AMAQI
28°C27/30°C
1st Aug 2026597 AMAQI
1st Aug 2026608 AMAQI
1st Aug 2026609 AMAQI
1st Aug 20266810 AMAQI
1st Aug 20266211 AMAQI
1st Aug 20265612 PMAQI
1st Aug 2026541 PMAQI
1st Aug 2026552 PMAQI
1st Aug 2026553 PMAQI
1st Aug 2026574 PMAQI
1st Aug 2026535 PMAQI
1st Aug 2026526 PMAQI
1st Aug 2026467 PMAQI
1st Aug 2026468 PMAQI
1st Aug 2026549 PMAQI
1st Aug 20265710 PMAQI
1st Aug 20266211 PMAQI
2nd Aug 20266212 AMAQI
2nd Aug 2026591 AMAQI
2nd Aug 2026572 AMAQI
2nd Aug 2026573 AMAQI
2nd Aug 2026624 AMAQI
2nd Aug 2026625 AMAQI
2nd Aug 2026596 AMAQI
28°C26/30°C
2nd Aug 2026627 AMAQI
2nd Aug 2026658 AMAQI
2nd Aug 2026659 AMAQI
2nd Aug 20266810 AMAQI
2nd Aug 20265811 AMAQI
2nd Aug 20265612 PMAQI
2nd Aug 2026601 PMAQI
2nd Aug 2026642 PMAQI
2nd Aug 2026663 PMAQI
2nd Aug 2026654 PMAQI
2nd Aug 2026605 PMAQI
2nd Aug 2026596 PMAQI
2nd Aug 2026587 PMAQI
2nd Aug 2026578 PMAQI
2nd Aug 2026569 PMAQI
2nd Aug 20266210 PMAQI
2nd Aug 20266411 PMAQI
3rd Aug 20266212 AMAQI
3rd Aug 2026641 AMAQI
3rd Aug 2026582 AMAQI
3rd Aug 2026593 AMAQI
3rd Aug 2026584 AMAQI
3rd Aug 2026635 AMAQI
3rd Aug 2026766 AMAQI
28°C27/30°C
3rd Aug 2026767 AMAQI
3rd Aug 2026758 AMAQI
3rd Aug 2026789 AMAQI
3rd Aug 20267610 AMAQI
3rd Aug 20267611 AMAQI
3rd Aug 20267412 PMAQI
3rd Aug 2026671 PMAQI
3rd Aug 2026652 PMAQI
3rd Aug 2026623 PMAQI
3rd Aug 2026674 PMAQI
3rd Aug 2026685 PMAQI
3rd Aug 2026716 PMAQI
3rd Aug 2026627 PMAQI
3rd Aug 2026748 PMAQI
3rd Aug 2026739 PMAQI
3rd Aug 20267110 PMAQI
3rd Aug 20266711 PMAQI
4th Aug 20266012 AMAQI
4th Aug 2026631 AMAQI
4th Aug 2026572 AMAQI
4th Aug 2026593 AMAQI
4th Aug 2026514 AMAQI
4th Aug 2026575 AMAQI
4th Aug 2026566 AMAQI
29°C27/31°C
4th Aug 2026537 AMAQI
4th Aug 2026528 AMAQI
4th Aug 2026569 AMAQI
4th Aug 20266510 AMAQI
4th Aug 20266611 AMAQI
4th Aug 20266212 PMAQI
4th Aug 2026621 PMAQI
4th Aug 2026652 PMAQI
4th Aug 2026673 PMAQI
4th Aug 2026664 PMAQI
4th Aug 2026695 PMAQI
4th Aug 2026676 PMAQI
4th Aug 2026697 PMAQI
4th Aug 2026688 PMAQI
4th Aug 2026679 PMAQI
4th Aug 20265610 PMAQI
4th Aug 20265511 PMAQI
5th Aug 20265212 AMAQI
5th Aug 2026531 AMAQI
5th Aug 2026532 AMAQI
5th Aug 2026513 AMAQI
5th Aug 2026514 AMAQI
5th Aug 2026475 AMAQI
5th Aug 2026426 AMAQI
28°C27/30°C
5th Aug 2026407 AMAQI
5th Aug 2026468 AMAQI
5th Aug 2026509 AMAQI
5th Aug 20265410 AMAQI
5th Aug 20265611 AMAQI
5th Aug 20265712 PMAQI
5th Aug 2026571 PMAQI
5th Aug 2026622 PMAQI
5th Aug 2026703 PMAQI
5th Aug 2026684 PMAQI
5th Aug 2026735 PMAQI
5th Aug 2026746 PMAQI
5th Aug 2026747 PMAQI
5th Aug 2026788 PMAQI
5th Aug 2026749 PMAQI
5th Aug 20267310 PMAQI
5th Aug 20267211 PMAQI
6th Aug 20266612 AMAQI
6th Aug 2026731 AMAQI
6th Aug 2026702 AMAQI
6th Aug 2026663 AMAQI
6th Aug 2026684 AMAQI
6th Aug 2026705 AMAQI
6th Aug 2026686 AMAQI
29°C27/30°C
6th Aug 2026697 AMAQI
6th Aug 2026728 AMAQI
6th Aug 2026819 AMAQI
6th Aug 20268410 AMAQI
6th Aug 20269011 AMAQI
6th Aug 20268812 PMAQI
6th Aug 2026831 PMAQI
6th Aug 2026862 PMAQI
6th Aug 2026873 PMAQI
6th Aug 2026834 PMAQI
6th Aug 2026865 PMAQI
6th Aug 2026816 PMAQI
6th Aug 2026767 PMAQI
6th Aug 2026788 PMAQI
6th Aug 2026769 PMAQI
6th Aug 20267810 PMAQI
6th Aug 20267611 PMAQI
7th Aug 20267612 AMAQI
7th Aug 2026681 AMAQI
7th Aug 2026702 AMAQI
7th Aug 2026653 AMAQI
7th Aug 2026594 AMAQI
7th Aug 2026575 AMAQI
7th Aug 2026606 AMAQI
28°C27/30°C
7th Aug 2026587 AMAQI
7th Aug 2026568 AMAQI
7th Aug 2026559 AMAQI
7th Aug 20265610 AMAQI
7th Aug 20266011 AMAQI
7th Aug 20265712 PMAQI
7th Aug 2026681 PMAQI
7th Aug 2026742 PMAQI
7th Aug 2026733 PMAQI
7th Aug 2026664 PMAQI
7th Aug 2026645 PMAQI
7th Aug 2026656 PMAQI
7th Aug 2026677 PMAQI
7th Aug 2026748 PMAQI
7th Aug 2026739 PMAQI
7th Aug 20267810 PMAQI
7th Aug 20267211 PMAQI
8th Aug 20266412 AMAQI
8th Aug 2026671 AMAQI
8th Aug 2026592 AMAQI
8th Aug 2026553 AMAQI
8th Aug 2026544 AMAQI
8th Aug 2026535 AMAQI
8th Aug 2026546 AMAQI
28°C27/30°C
8th Aug 2026467 AMAQI
8th Aug 2026518 AMAQI
8th Aug 2026559 AMAQI
8th Aug 20265710 AMAQI
8th Aug 20265711 AMAQI
8th Aug 20266512 PMAQI
8th Aug 2026691 PMAQI
8th Aug 2026762 PMAQI
8th Aug 2026813 PMAQI
8th Aug 2026854 PMAQI
8th Aug 2026805 PMAQI
8th Aug 2026826 PMAQI
8th Aug 2026867 PMAQI
8th Aug 2026878 PMAQI
8th Aug 2026869 PMAQI
8th Aug 20269010 PMAQI
8th Aug 20268911 PMAQI
9th Aug 20269412 AMAQI
9th Aug 2026941 AMAQI
9th Aug 2026872 AMAQI
9th Aug 2026813 AMAQI
9th Aug 2026694 AMAQI
9th Aug 2026725 AMAQI
9th Aug 2026766 AMAQI
28°C27/30°C
9th Aug 2026747 AMAQI
9th Aug 2026788 AMAQI
9th Aug 2026829 AMAQI
9th Aug 20268610 AMAQI
9th Aug 20268411 AMAQI
9th Aug 20267412 PMAQI
9th Aug 2026741 PMAQI
9th Aug 2026742 PMAQI
9th Aug 2026563 PMAQI
9th Aug 2026564 PMAQI
9th Aug 2026625 PMAQI
9th Aug 2026686 PMAQI
9th Aug 2026767 PMAQI
9th Aug 2026698 PMAQI
9th Aug 2026649 PMAQI
9th Aug 20264810 PMAQI
9th Aug 20266711 PMAQI
10th Aug 20264412 AMAQI
10th Aug 2026701 AMAQI
10th Aug 2026692 AMAQI
10th Aug 2026683 AMAQI
10th Aug 2026734 AMAQI
10th Aug 2026745 AMAQI
10th Aug 2026816 AMAQI
28°C27/30°C
10th Aug 2026827 AMAQI
10th Aug 2026838 AMAQI
10th Aug 2026839 AMAQI
10th Aug 20268510 AMAQI
10th Aug 20268411 AMAQI
10th Aug 20269012 PMAQI
10th Aug 2026921 PMAQI
10th Aug 2026962 PMAQI
10th Aug 2026963 PMAQI
10th Aug 20261004 PMAQI
10th Aug 2026975 PMAQI
10th Aug 2026946 PMAQI
10th Aug 2026967 PMAQI
10th Aug 2026978 PMAQI
10th Aug 20261009 PMAQI
10th Aug 202610210 PMAQI
10th Aug 20269911 PMAQI
11th Aug 20268512 AMAQI
11th Aug 2026851 AMAQI
11th Aug 2026762 AMAQI
11th Aug 2026803 AMAQI
11th Aug 2026744 AMAQI
11th Aug 2026825 AMAQI
11th Aug 2026806 AMAQI
28°C27/30°C
11th Aug 2026817 AMAQI
11th Aug 2026858 AMAQI
11th Aug 2026839 AMAQI
11th Aug 20268810 AMAQI
11th Aug 20269711 AMAQI
11th Aug 20269012 PMAQI
11th Aug 2026941 PMAQI
11th Aug 2026902 PMAQI
11th Aug 2026973 PMAQI
11th Aug 2026964 PMAQI
11th Aug 2026925 PMAQI
11th Aug 2026886 PMAQI
11th Aug 2026787 PMAQI
11th Aug 2026978 PMAQI
11th Aug 20261159 PMAQI
11th Aug 202610010 PMAQI
11th Aug 20268411 PMAQI
12th Aug 20268212 AMAQI
12th Aug 2026761 AMAQI
12th Aug 2026782 AMAQI
12th Aug 2026783 AMAQI
12th Aug 2026784 AMAQI
12th Aug 2026765 AMAQI
12th Aug 2026766 AMAQI
28°C27/30°C
12th Aug 2026767 AMAQI
12th Aug 2026688 AMAQI
12th Aug 2026769 AMAQI
12th Aug 20267610 AMAQI
12th Aug 20267611 AMAQI
12th Aug 20267912 PMAQI
12th Aug 2026901 PMAQI
12th Aug 2026822 PMAQI
12th Aug 2026853 PMAQI
12th Aug 2026904 PMAQI
12th Aug 2026785 PMAQI
12th Aug 2026846 PMAQI
12th Aug 2026817 PMAQI
12th Aug 2026888 PMAQI
12th Aug 2026849 PMAQI
12th Aug 20269010 PMAQI
12th Aug 20269211 PMAQI
13th Aug 20267512 AMAQI
13th Aug 2026641 AMAQI
13th Aug 2026662 AMAQI
13th Aug 2026683 AMAQI
13th Aug 2026684 AMAQI
13th Aug 2026685 AMAQI
13th Aug 2026686 AMAQI
28°C27/30°C
13th Aug 2026807 AMAQI
13th Aug 2026858 AMAQI
13th Aug 2026889 AMAQI
13th Aug 20268510 AMAQI
13th Aug 20268411 AMAQI
13th Aug 20269312 PMAQI
13th Aug 2026791 PMAQI
13th Aug 2026822 PMAQI
13th Aug 2026843 PMAQI
13th Aug 2026884 PMAQI
13th Aug 2026835 PMAQI
13th Aug 2026836 PMAQI
13th Aug 2026857 PMAQI
13th Aug 2026878 PMAQI
13th Aug 2026889 PMAQI
13th Aug 20268110 PMAQI
13th Aug 20268611 PMAQI
14th Aug 20268012 AMAQI
14th Aug 2026841 AMAQI
14th Aug 2026862 AMAQI
14th Aug 2026863 AMAQI
14th Aug 2026794 AMAQI
14th Aug 2026785 AMAQI
14th Aug 2026856 AMAQI
28°C27/30°C
14th Aug 2026867 AMAQI
14th Aug 2026738 AMAQI
14th Aug 2026799 AMAQI
14th Aug 20267610 AMAQI
14th Aug 20267411 AMAQI
14th Aug 20267612 PMAQI
14th Aug 2026781 PMAQI
14th Aug 2026822 PMAQI
14th Aug 2026873 PMAQI
14th Aug 2026844 PMAQI
14th Aug 20261005 PMAQI
14th Aug 2026946 PMAQI
14th Aug 2026907 PMAQI
14th Aug 2026878 PMAQI
14th Aug 2026889 PMAQI
14th Aug 20269810 PMAQI
14th Aug 20269511 PMAQI
15th Aug 20269412 AMAQI
15th Aug 2026901 AMAQI
15th Aug 2026862 AMAQI
15th Aug 2026843 AMAQI
15th Aug 2026864 AMAQI
15th Aug 2026745 AMAQI
15th Aug 2026706 AMAQI
28°C27/30°C
15th Aug 2026637 AMAQI
15th Aug 2026678 AMAQI
15th Aug 2026699 AMAQI
15th Aug 20267010 AMAQI
15th Aug 20267911 AMAQI
15th Aug 20269012 PMAQI
15th Aug 20261011 PMAQI
15th Aug 2026902 PMAQI
15th Aug 2026923 PMAQI
15th Aug 2026784 PMAQI
15th Aug 2026865 PMAQI
15th Aug 2026856 PMAQI
15th Aug 2026857 PMAQI
15th Aug 2026868 PMAQI
15th Aug 2026829 PMAQI
15th Aug 20268710 PMAQI
15th Aug 20268711 PMAQI
16th Aug 20267912 AMAQI
16th Aug 2026821 AMAQI
16th Aug 2026802 AMAQI
16th Aug 2026763 AMAQI
16th Aug 2026744 AMAQI
16th Aug 2026685 AMAQI
16th Aug 2026736 AMAQI
28°C26/29°C
16th Aug 2026747 AMAQI
7 AM16th Aug 2026728 AMAQI
16th Aug 2026799 AMAQI
16th Aug 20266910 AMAQI
16th Aug 20267611 AMAQI
16th Aug 20267612 PMAQI
16th Aug 2026731 PMAQI
1 PM16th Aug 2026862 PMAQI
16th Aug 2026853 PMAQI
16th Aug 2026824 PMAQI
16th Aug 2026855 PMAQI
16th Aug 2026856 PMAQI
16th Aug 2026867 PMAQI
7 PM16th Aug 2026768 PMAQI
16th Aug 2026749 PMAQI
16th Aug 20267110 PMAQI
16th Aug 20268211 PMAQI
1 AM
6 AM
28°C27/29°C
Day time
Avg. Highest Time
7 AM - 7 PM
68AQI
13 hours / Day
390 hours / Month
Avg. Lowest Time
7 AM - 8 AM
65AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 7 PM (Avg. 68), while the lowest AQI was between 7 AM to 8 AM (Avg. 65).
Night time
Avg. Highest Time
8 PM - 11 PM
72AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
2 AM - 6 AM
65AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 72), while the lowest AQI was between 2 AM to 6 AM (Avg. 65).
2026 Days Vs Air Quality
Western Water Catchment, West Region, Singapore
2026
53%
119
47%
106
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Good
119 DaysModerate
106 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 53%
Health Risk Level:
Considerable
In 2026, 53% of 228 days were within WHO’s safe air quality limits, and 47% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Western Water Catchment, West Region, Singapore
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
58AQI (US)
58AQI (US)
2nd January 2026
52AQI (US)
52AQI (US)
3rd January 2026
55AQI (US)
55AQI (US)
4th January 2026
52AQI (US)
52AQI (US)
5th January 2026
42AQI (US)
42AQI (US)
6th January 2026
38AQI (US)
38AQI (US)
7th January 2026
30AQI (US)
30AQI (US)
8th January 2026
53AQI (US)
53AQI (US)
9th January 2026
49AQI (US)
49AQI (US)
10th January 2026
58AQI (US)
58AQI (US)
11th January 2026
56AQI (US)
56AQI (US)
12th January 2026
50AQI (US)
50AQI (US)
13th January 2026
52AQI (US)
52AQI (US)
14th January 2026
43AQI (US)
43AQI (US)
15th January 2026
56AQI (US)
56AQI (US)
16th January 2026
55AQI (US)
55AQI (US)
17th January 2026
55AQI (US)
55AQI (US)
18th January 2026
55AQI (US)
55AQI (US)
19th January 2026
42AQI (US)
42AQI (US)
20th January 2026
59AQI (US)
59AQI (US)
21st January 2026
50AQI (US)
50AQI (US)
22nd January 2026
48AQI (US)
48AQI (US)
23rd January 2026
29AQI (US)
29AQI (US)
24th January 2026
36AQI (US)
36AQI (US)
25th January 2026
24AQI (US)
24AQI (US)
26th January 2026
30AQI (US)
30AQI (US)
27th January 2026
36AQI (US)
36AQI (US)
28th January 2026
28AQI (US)
28AQI (US)
29th January 2026
21AQI (US)
21AQI (US)
30th January 2026
43AQI (US)
43AQI (US)
31st January 2026
26AQI (US)
26AQI (US)
1st February 2026
29AQI (US)
29AQI (US)
2nd February 2026
52AQI (US)
52AQI (US)
3rd February 2026
38AQI (US)
38AQI (US)
4th February 2026
24AQI (US)
24AQI (US)
5th February 2026
35AQI (US)
35AQI (US)
6th February 2026
31AQI (US)
31AQI (US)
7th February 2026
44AQI (US)
44AQI (US)
8th February 2026
67AQI (US)
67AQI (US)
9th February 2026
37AQI (US)
37AQI (US)
10th February 2026
30AQI (US)
30AQI (US)
11th February 2026
29AQI (US)
29AQI (US)
12th February 2026
44AQI (US)
44AQI (US)
13th February 2026
55AQI (US)
55AQI (US)
14th February 2026
48AQI (US)
48AQI (US)
15th February 2026
27AQI (US)
27AQI (US)
16th February 2026
27AQI (US)
27AQI (US)
17th February 2026
31AQI (US)
31AQI (US)
18th February 2026
16AQI (US)
16AQI (US)
19th February 2026
38AQI (US)
38AQI (US)
20th February 2026
49AQI (US)
49AQI (US)
21st February 2026
52AQI (US)
52AQI (US)
22nd February 2026
50AQI (US)
50AQI (US)
23rd February 2026
70AQI (US)
70AQI (US)
24th February 2026
48AQI (US)
48AQI (US)
25th February 2026
50AQI (US)
50AQI (US)
26th February 2026
37AQI (US)
37AQI (US)
27th February 2026
33AQI (US)
33AQI (US)
28th February 2026
54AQI (US)
54AQI (US)
1st March 2026
46AQI (US)
46AQI (US)
2nd March 2026
44AQI (US)
44AQI (US)
3rd March 2026
54AQI (US)
54AQI (US)
4th March 2026
46AQI (US)
46AQI (US)
5th March 2026
47AQI (US)
47AQI (US)
6th March 2026
37AQI (US)
37AQI (US)
7th March 2026
39AQI (US)
39AQI (US)
8th March 2026
46AQI (US)
46AQI (US)
9th March 2026
42AQI (US)
42AQI (US)
10th March 2026
52AQI (US)
52AQI (US)
11th March 2026
48AQI (US)
48AQI (US)
12th March 2026
41AQI (US)
41AQI (US)
13th March 2026
17AQI (US)
17AQI (US)
14th March 2026
33AQI (US)
33AQI (US)
15th March 2026
40AQI (US)
40AQI (US)
16th March 2026
42AQI (US)
42AQI (US)
17th March 2026
23AQI (US)
23AQI (US)
18th March 2026
40AQI (US)
40AQI (US)
19th March 2026
45AQI (US)
45AQI (US)
20th March 2026
48AQI (US)
48AQI (US)
21st March 2026
51AQI (US)
51AQI (US)
22nd March 2026
54AQI (US)
54AQI (US)
23rd March 2026
55AQI (US)
55AQI (US)
24th March 2026
69AQI (US)
69AQI (US)
25th March 2026
53AQI (US)
53AQI (US)
26th March 2026
60AQI (US)
60AQI (US)
27th March 2026
52AQI (US)
52AQI (US)
28th March 2026
47AQI (US)
47AQI (US)
29th March 2026
60AQI (US)
60AQI (US)
30th March 2026
82AQI (US)
82AQI (US)
31st March 2026
66AQI (US)
66AQI (US)
1st April 2026
58AQI (US)
58AQI (US)
2nd April 2026
59AQI (US)
59AQI (US)
3rd April 2026
56AQI (US)
56AQI (US)
4th April 2026
49AQI (US)
49AQI (US)
5th April 2026
55AQI (US)
55AQI (US)
6th April 2026
36AQI (US)
36AQI (US)
7th April 2026
50AQI (US)
50AQI (US)
8th April 2026
71AQI (US)
71AQI (US)
9th April 2026
65AQI (US)
65AQI (US)
10th April 2026
58AQI (US)
58AQI (US)
11th April 2026
47AQI (US)
47AQI (US)
12th April 2026
39AQI (US)
39AQI (US)
13th April 2026
35AQI (US)
35AQI (US)
14th April 2026
53AQI (US)
53AQI (US)
15th April 2026
43AQI (US)
43AQI (US)
16th April 2026
31AQI (US)
31AQI (US)
17th April 2026
18th April 2026
40AQI (US)
40AQI (US)
19th April 2026
43AQI (US)
43AQI (US)
20th April 2026
37AQI (US)
37AQI (US)
21st April 2026
35AQI (US)
35AQI (US)
22nd April 2026
23rd April 2026
52AQI (US)
52AQI (US)
24th April 2026
37AQI (US)
37AQI (US)
25th April 2026
44AQI (US)
44AQI (US)
26th April 2026
50AQI (US)
50AQI (US)
27th April 2026
32AQI (US)
32AQI (US)
28th April 2026
35AQI (US)
35AQI (US)
29th April 2026
27AQI (US)
27AQI (US)
30th April 2026
49AQI (US)
49AQI (US)
1st May 2026
50AQI (US)
50AQI (US)
2nd May 2026
40AQI (US)
40AQI (US)
3rd May 2026
37AQI (US)
37AQI (US)
4th May 2026
52AQI (US)
52AQI (US)
5th May 2026
69AQI (US)
69AQI (US)
6th May 2026
58AQI (US)
58AQI (US)
7th May 2026
59AQI (US)
59AQI (US)
8th May 2026
29AQI (US)
29AQI (US)
9th May 2026
10th May 2026
31AQI (US)
31AQI (US)
11th May 2026
34AQI (US)
34AQI (US)
12th May 2026
31AQI (US)
31AQI (US)
13th May 2026
25AQI (US)
25AQI (US)
14th May 2026
31AQI (US)
31AQI (US)
15th May 2026
30AQI (US)
30AQI (US)
16th May 2026
71AQI (US)
71AQI (US)
17th May 2026
54AQI (US)
54AQI (US)
18th May 2026
50AQI (US)
50AQI (US)
19th May 2026
42AQI (US)
42AQI (US)
20th May 2026
53AQI (US)
53AQI (US)
21st May 2026
52AQI (US)
52AQI (US)
22nd May 2026
43AQI (US)
43AQI (US)
23rd May 2026
40AQI (US)
40AQI (US)
24th May 2026
45AQI (US)
45AQI (US)
25th May 2026
33AQI (US)
33AQI (US)
26th May 2026
37AQI (US)
37AQI (US)
27th May 2026
68AQI (US)
68AQI (US)
28th May 2026
45AQI (US)
45AQI (US)
29th May 2026
53AQI (US)
53AQI (US)
30th May 2026
39AQI (US)
39AQI (US)
31st May 2026
72AQI (US)
72AQI (US)
1st June 2026
61AQI (US)
61AQI (US)
2nd June 2026
63AQI (US)
63AQI (US)
3rd June 2026
63AQI (US)
63AQI (US)
4th June 2026
29AQI (US)
29AQI (US)
5th June 2026
63AQI (US)
63AQI (US)
6th June 2026
39AQI (US)
39AQI (US)
7th June 2026
43AQI (US)
43AQI (US)
8th June 2026
36AQI (US)
36AQI (US)
9th June 2026
53AQI (US)
53AQI (US)
10th June 2026
38AQI (US)
38AQI (US)
11th June 2026
41AQI (US)
41AQI (US)
12th June 2026
53AQI (US)
53AQI (US)
13th June 2026
69AQI (US)
69AQI (US)
14th June 2026
66AQI (US)
66AQI (US)
15th June 2026
61AQI (US)
61AQI (US)
16th June 2026
41AQI (US)
41AQI (US)
17th June 2026
42AQI (US)
42AQI (US)
18th June 2026
47AQI (US)
47AQI (US)
19th June 2026
41AQI (US)
41AQI (US)
20th June 2026
43AQI (US)
43AQI (US)
21st June 2026
50AQI (US)
50AQI (US)
22nd June 2026
34AQI (US)
34AQI (US)
23rd June 2026
54AQI (US)
54AQI (US)
24th June 2026
48AQI (US)
48AQI (US)
25th June 2026
46AQI (US)
46AQI (US)
26th June 2026
39AQI (US)
39AQI (US)
27th June 2026
32AQI (US)
32AQI (US)
28th June 2026
40AQI (US)
40AQI (US)
29th June 2026
43AQI (US)
43AQI (US)
30th June 2026
37AQI (US)
37AQI (US)
1st July 2026
62AQI (US)
62AQI (US)
2nd July 2026
52AQI (US)
52AQI (US)
3rd July 2026
74AQI (US)
74AQI (US)
4th July 2026
60AQI (US)
60AQI (US)
5th July 2026
50AQI (US)
50AQI (US)
6th July 2026
52AQI (US)
52AQI (US)
7th July 2026
51AQI (US)
51AQI (US)
8th July 2026
68AQI (US)
68AQI (US)
9th July 2026
67AQI (US)
67AQI (US)
10th July 2026
65AQI (US)
65AQI (US)
11th July 2026
75AQI (US)
75AQI (US)
12th July 2026
72AQI (US)
72AQI (US)
13th July 2026
66AQI (US)
66AQI (US)
14th July 2026
64AQI (US)
64AQI (US)
15th July 2026
57AQI (US)
57AQI (US)
16th July 2026
58AQI (US)
58AQI (US)
17th July 2026
53AQI (US)
53AQI (US)
18th July 2026
50AQI (US)
50AQI (US)
19th July 2026
57AQI (US)
57AQI (US)
20th July 2026
65AQI (US)
65AQI (US)
21st July 2026
75AQI (US)
75AQI (US)
22nd July 2026
65AQI (US)
65AQI (US)
23rd July 2026
61AQI (US)
61AQI (US)
24th July 2026
69AQI (US)
69AQI (US)
25th July 2026
61AQI (US)
61AQI (US)
26th July 2026
60AQI (US)
60AQI (US)
27th July 2026
66AQI (US)
66AQI (US)
28th July 2026
63AQI (US)
63AQI (US)
29th July 2026
58AQI (US)
58AQI (US)
30th July 2026
60AQI (US)
60AQI (US)
31st July 2026
57AQI (US)
57AQI (US)
1st August 2026
57AQI (US)
57AQI (US)
2nd August 2026
61AQI (US)
61AQI (US)
3rd August 2026
68AQI (US)
68AQI (US)
4th August 2026
61AQI (US)
61AQI (US)
5th August 2026
59AQI (US)
59AQI (US)
6th August 2026
77AQI (US)
77AQI (US)
7th August 2026
65AQI (US)
65AQI (US)
8th August 2026
69AQI (US)
69AQI (US)
9th August 2026
74AQI (US)
74AQI (US)
10th August 2026
86AQI (US)
86AQI (US)
11th August 2026
88AQI (US)
88AQI (US)
12th August 2026
81AQI (US)
81AQI (US)
13th August 2026
80AQI (US)
80AQI (US)
14th August 2026
84AQI (US)
84AQI (US)
15th August 2026
83AQI (US)
83AQI (US)
16th August 2026
78AQI (US)
78AQI (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
45AQI (US)
41AQI (US)
48AQI (US)
46AQI (US)
46AQI (US)
47AQI (US)
62AQI (US)
73AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202650AQI (US)
18
13
22
6
19
12
19
9
19
11
20
10
2
29
16
119
106
Highest AQI (US) recorded in
August73AQI (US)
Lowest AQI (US) recorded in
February41AQI (US)
202553AQI (US)
16
15
11
17
18
13
21
9
12
19
12
18
31
31
9
21
5
26
12
18
20
11
136
229
Highest AQI (US) recorded in
October61AQI (US)
Lowest AQI (US) recorded in
December46AQI (US)
202450AQI (US)
30
24
5
22
9
22
8
22
9
13
17
4
27
11
20
8
22
11
20
18
12
22
9
207
158
Highest AQI (US) recorded in
July65AQI (US)
Lowest AQI (US) recorded in
January33AQI (US)
202334AQI (US)
28
2
28
31
28
2
30
1
28
2
29
2
28
3
23
7
15
16
24
5
30
1
322
41
Highest AQI (US) recorded in
October50AQI (US)
Lowest AQI (US) recorded in
July28AQI (US)
202237AQI (US)
2
21
27
4
21
9
21
10
21
9
18
4
1
20
8
31
29
1
30
1
241
47
Highest AQI (US) recorded in
August61AQI (US)
Lowest AQI (US) recorded in
January18AQI (US)
202142AQI (US)
26
4
20
8
24
7
15
15
26
5
18
12
22
9
28
3
26
4
17
14
24
6
30
1
276
88
Highest AQI (US) recorded in
April50AQI (US)
Lowest AQI (US) recorded in
January33AQI (US)
202036AQI (US)
12
1
18
3
16
2
30
29
2
24
7
26
4
25
6
30
28
3
238
28
Highest AQI (US) recorded in
March43AQI (US)
Lowest AQI (US) recorded in
November31AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
53AQI (US)Least Polluted Year Recorded
2023(Avg.)
34AQI (US)Western Water Catchment's annual 2026 AQI (US) (50) shows an average percentage change of 22.4% (worsened AQI (US)) compared to previous years: 2020 (36), 2021 (42), 2022 (37), 2023 (34), 2024 (50), 2025 (53).
