Eugene Highway 99, Eugene, Oregon, United States 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
Eugene Highway 99, Eugene, Oregon, United States
2022
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Aug 2026
71AQILowest AQI recorded on
24th Aug 2024
10AQISame Day Analysis (15th August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 1st highest AQI at 62 of Moderate air quality on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Eugene Highway 99, Eugene, Oregon, United States
AQI
Day
Night
.
6 AM14th Aug 2026
8 PM
5 AM15th Aug 2026
Day time
Avg. Highest Time
11AM14th Aug
46AQI
Avg. Lowest Time
3PM14th Aug
42AQI
Night time
Avg. Highest Time
4AM15th Aug
60AQI
Avg. Lowest Time
11PM14th Aug
42AQI
In the last 24 hours,
Eugene Highway 99's AQI reached its highest point of 60 at 4 AM during the Night, while the lowest point, 42, was recorded at 11 PM during the Night between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Eugene Highway 99, Eugene, Oregon, United States
JulAug
17th - 18th18th - 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
Day
Night
17th Jul 2026486 AMAQI
17th Jul 2026687 AMAQI
17th Jul 2026398 AMAQI
17th Jul 2026569 AMAQI
17th Jul 20264210 AMAQI
17th Jul 20267811 AMAQI
17th Jul 20264612 PMAQI
17th Jul 2026741 PMAQI
17th Jul 2026432 PMAQI
17th Jul 2026253 PMAQI
17th Jul 2026364 PMAQI
17th Jul 2026445 PMAQI
17th Jul 2026426 PMAQI
17th Jul 2026407 PMAQI
17th Jul 2026588 PMAQI
17th Jul 2026699 PMAQI
17th Jul 20264210 PMAQI
17th Jul 20264411 PMAQI
18th Jul 20262512 AMAQI
18th Jul 2026621 AMAQI
18th Jul 2026632 AMAQI
18th Jul 2026403 AMAQI
18th Jul 2026704 AMAQI
18th Jul 2026665 AMAQI
19°C9/30°C
18th Jul 2026676 AMAQI
18th Jul 2026467 AMAQI
18th Jul 2026608 AMAQI
18th Jul 2026609 AMAQI
18th Jul 20266610 AMAQI
18th Jul 20267311 AMAQI
18th Jul 20267112 PMAQI
18th Jul 2026541 PMAQI
18th Jul 2026422 PMAQI
18th Jul 2026443 PMAQI
18th Jul 2026444 PMAQI
18th Jul 2026255 PMAQI
18th Jul 2026596 PMAQI
18th Jul 2026447 PMAQI
18th Jul 2026478 PMAQI
18th Jul 2026429 PMAQI
18th Jul 20263210 PMAQI
18th Jul 20265211 PMAQI
19th Jul 20263612 AMAQI
19th Jul 2026361 AMAQI
19th Jul 2026272 AMAQI
19th Jul 2026273 AMAQI
19th Jul 2026404 AMAQI
19th Jul 2026665 AMAQI
22°C11/32°C
19th Jul 2026506 AMAQI
19th Jul 2026327 AMAQI
19th Jul 2026428 AMAQI
19th Jul 2026549 AMAQI
19th Jul 20263810 AMAQI
19th Jul 20263211 AMAQI
19th Jul 20262612 PMAQI
19th Jul 2026361 PMAQI
19th Jul 2026422 PMAQI
19th Jul 2026423 PMAQI
19th Jul 2026424 PMAQI
19th Jul 2026465 PMAQI
19th Jul 2026476 PMAQI
19th Jul 2026247 PMAQI
19th Jul 2026248 PMAQI
19th Jul 2026449 PMAQI
19th Jul 20266510 PMAQI
19th Jul 20264611 PMAQI
20th Jul 20262512 AMAQI
20th Jul 2026441 AMAQI
20th Jul 2026462 AMAQI
20th Jul 2026273 AMAQI
20th Jul 2026264 AMAQI
20th Jul 2026675 AMAQI
23°C13/33°C
20th Jul 2026526 AMAQI
20th Jul 2026657 AMAQI
20th Jul 2026418 AMAQI
20th Jul 2026529 AMAQI
20th Jul 20263210 AMAQI
20th Jul 20264911 AMAQI
20th Jul 20266512 PMAQI
20th Jul 2026661 PMAQI
20th Jul 2026402 PMAQI
20th Jul 2026483 PMAQI
20th Jul 2026424 PMAQI
20th Jul 2026445 PMAQI
20th Jul 2026446 PMAQI
20th Jul 2026387 PMAQI
20th Jul 2026429 PMAQI
20th Jul 20264610 PMAQI
20th Jul 20264611 PMAQI
21st Jul 20264612 AMAQI
21st Jul 2026381 AMAQI
21st Jul 2026502 AMAQI
21st Jul 2026513 AMAQI
21st Jul 2026484 AMAQI
21st Jul 2026505 AMAQI
25°C17/36°C
21st Jul 2026486 AMAQI
21st Jul 2026477 AMAQI
21st Jul 2026468 AMAQI
21st Jul 2026509 AMAQI
21st Jul 20264210 AMAQI
21st Jul 20264611 AMAQI
21st Jul 20264412 PMAQI
21st Jul 2026481 PMAQI
21st Jul 2026522 PMAQI
21st Jul 2026593 PMAQI
21st Jul 2026664 PMAQI
21st Jul 2026695 PMAQI
21st Jul 2026666 PMAQI
21st Jul 2026697 PMAQI
21st Jul 2026718 PMAQI
21st Jul 2026649 PMAQI
21st Jul 20266210 PMAQI
21st Jul 20266511 PMAQI
22nd Jul 20265512 AMAQI
22nd Jul 2026601 AMAQI
22nd Jul 2026632 AMAQI
22nd Jul 2026643 AMAQI
22nd Jul 2026664 AMAQI
22nd Jul 2026705 AMAQI
28°C18/40°C
22nd Jul 2026686 AMAQI
22nd Jul 2026677 AMAQI
22nd Jul 2026688 AMAQI
22nd Jul 2026699 AMAQI
22nd Jul 20266610 AMAQI
22nd Jul 20266611 AMAQI
22nd Jul 20266912 PMAQI
22nd Jul 2026621 PMAQI
22nd Jul 2026532 PMAQI
22nd Jul 2026443 PMAQI
22nd Jul 2026424 PMAQI
22nd Jul 2026535 PMAQI
22nd Jul 2026506 PMAQI
22nd Jul 2026527 PMAQI
22nd Jul 2026508 PMAQI
22nd Jul 2026529 PMAQI
22nd Jul 20264610 PMAQI
22nd Jul 20265211 PMAQI
23rd Jul 20266612 AMAQI
23rd Jul 2026511 AMAQI
23rd Jul 2026462 AMAQI
23rd Jul 2026693 AMAQI
23rd Jul 2026584 AMAQI
23rd Jul 2026565 AMAQI
26°C19/36°C
23rd Jul 2026726 AMAQI
23rd Jul 2026767 AMAQI
23rd Jul 2026818 AMAQI
23rd Jul 2026679 AMAQI
23rd Jul 20266010 AMAQI
23rd Jul 20266811 AMAQI
23rd Jul 20266412 PMAQI
23rd Jul 2026721 PMAQI
23rd Jul 2026562 PMAQI
23rd Jul 2026533 PMAQI
23rd Jul 2026484 PMAQI
23rd Jul 2026365 PMAQI
23rd Jul 2026316 PMAQI
23rd Jul 2026267 PMAQI
23rd Jul 2026518 PMAQI
23rd Jul 2026579 PMAQI
23rd Jul 20266410 PMAQI
23rd Jul 20265411 PMAQI
24th Jul 20263212 AMAQI
24th Jul 2026381 AMAQI
24th Jul 2026402 AMAQI
24th Jul 2026583 AMAQI
24th Jul 2026524 AMAQI
24th Jul 2026545 AMAQI
22°C17/31°C
24th Jul 2026546 AMAQI
24th Jul 2026587 AMAQI
24th Jul 2026588 AMAQI
24th Jul 2026569 AMAQI
24th Jul 20265410 AMAQI
24th Jul 20265411 AMAQI
24th Jul 20265212 PMAQI
24th Jul 2026401 PMAQI
24th Jul 2026562 PMAQI
24th Jul 2026543 PMAQI
24th Jul 2026624 PMAQI
24th Jul 2026485 PMAQI
24th Jul 2026716 PMAQI
24th Jul 2026657 PMAQI
24th Jul 2026628 PMAQI
24th Jul 2026589 PMAQI
24th Jul 20265610 PMAQI
24th Jul 20265511 PMAQI
25th Jul 20265412 AMAQI
25th Jul 2026571 AMAQI
25th Jul 2026682 AMAQI
25th Jul 2026633 AMAQI
25th Jul 2026564 AMAQI
25th Jul 2026505 AMAQI
22°C15/32°C
25th Jul 2026466 AMAQI
25th Jul 2026567 AMAQI
25th Jul 2026628 AMAQI
25th Jul 2026579 AMAQI
25th Jul 20266710 AMAQI
25th Jul 20265811 AMAQI
25th Jul 20264012 PMAQI
25th Jul 2026641 PMAQI
25th Jul 2026622 PMAQI
25th Jul 2026623 PMAQI
25th Jul 2026584 PMAQI
25th Jul 2026675 PMAQI
25th Jul 2026506 PMAQI
25th Jul 2026267 PMAQI
25th Jul 2026238 PMAQI
25th Jul 2026549 PMAQI
25th Jul 20265510 PMAQI
25th Jul 20264011 PMAQI
26th Jul 20264612 AMAQI
26th Jul 2026601 AMAQI
26th Jul 2026382 AMAQI
26th Jul 2026523 AMAQI
26th Jul 2026464 AMAQI
26th Jul 2026645 AMAQI
20°C12/29°C
26th Jul 2026626 AMAQI
26th Jul 2026677 AMAQI
26th Jul 2026678 AMAQI
26th Jul 2026629 AMAQI
26th Jul 20266810 AMAQI
26th Jul 20266411 AMAQI
26th Jul 20266212 PMAQI
26th Jul 2026441 PMAQI
26th Jul 2026582 PMAQI
26th Jul 2026543 PMAQI
26th Jul 2026214 PMAQI
26th Jul 2026345 PMAQI
26th Jul 2026366 PMAQI
26th Jul 2026647 PMAQI
26th Jul 2026648 PMAQI
26th Jul 2026629 PMAQI
26th Jul 20266010 PMAQI
26th Jul 20266011 PMAQI
27th Jul 20264412 AMAQI
27th Jul 2026651 AMAQI
27th Jul 2026702 AMAQI
27th Jul 2026363 AMAQI
27th Jul 2026304 AMAQI
27th Jul 2026425 AMAQI
20°C14/29°C
27th Jul 2026646 AMAQI
27th Jul 2026697 AMAQI
27th Jul 2026658 AMAQI
27th Jul 2026649 AMAQI
27th Jul 20266810 AMAQI
27th Jul 20266411 AMAQI
27th Jul 20266012 PMAQI
27th Jul 2026621 PMAQI
27th Jul 2026642 PMAQI
27th Jul 2026603 PMAQI
27th Jul 2026404 PMAQI
27th Jul 2026245 PMAQI
27th Jul 2026366 PMAQI
27th Jul 2026257 PMAQI
27th Jul 2026468 PMAQI
27th Jul 2026429 PMAQI
27th Jul 20264210 PMAQI
27th Jul 20264511 PMAQI
28th Jul 20264012 AMAQI
28th Jul 2026581 AMAQI
28th Jul 2026632 AMAQI
28th Jul 2026563 AMAQI
28th Jul 2026584 AMAQI
28th Jul 2026665 AMAQI
21°C11/32°C
28th Jul 2026586 AMAQI
28th Jul 2026277 AMAQI
28th Jul 2026548 AMAQI
28th Jul 2026729 AMAQI
28th Jul 20267610 AMAQI
28th Jul 20267111 AMAQI
28th Jul 20266712 PMAQI
28th Jul 2026601 PMAQI
28th Jul 2026462 PMAQI
28th Jul 2026653 PMAQI
28th Jul 2026464 PMAQI
28th Jul 2026215 PMAQI
28th Jul 2026546 PMAQI
28th Jul 2026477 PMAQI
28th Jul 2026258 PMAQI
28th Jul 2026439 PMAQI
28th Jul 20266010 PMAQI
28th Jul 20264011 PMAQI
29th Jul 20266212 AMAQI
29th Jul 2026601 AMAQI
29th Jul 2026472 AMAQI
29th Jul 2026693 AMAQI
29th Jul 2026764 AMAQI
29th Jul 2026725 AMAQI
21°C14/30°C
29th Jul 2026606 AMAQI
29th Jul 2026437 AMAQI
29th Jul 2026608 AMAQI
29th Jul 2026679 AMAQI
29th Jul 20263210 AMAQI
29th Jul 20264011 AMAQI
29th Jul 20265812 PMAQI
29th Jul 2026631 PMAQI
29th Jul 2026652 PMAQI
29th Jul 2026453 PMAQI
29th Jul 2026364 PMAQI
29th Jul 2026235 PMAQI
29th Jul 2026366 PMAQI
29th Jul 2026637 PMAQI
29th Jul 2026468 PMAQI
29th Jul 2026279 PMAQI
29th Jul 20266510 PMAQI
29th Jul 20262511 PMAQI
30th Jul 20262112 AMAQI
30th Jul 2026541 AMAQI
30th Jul 2026562 AMAQI
30th Jul 2026503 AMAQI
30th Jul 2026404 AMAQI
30th Jul 2026685 AMAQI
21°C13/30°C
30th Jul 2026676 AMAQI
30th Jul 2026667 AMAQI
30th Jul 2026648 AMAQI
30th Jul 2026659 AMAQI
30th Jul 20266510 AMAQI
30th Jul 20266511 AMAQI
30th Jul 20266512 PMAQI
30th Jul 2026691 PMAQI
30th Jul 2026662 PMAQI
30th Jul 2026583 PMAQI
30th Jul 2026684 PMAQI
30th Jul 2026575 PMAQI
30th Jul 2026646 PMAQI
30th Jul 2026687 PMAQI
30th Jul 2026448 PMAQI
30th Jul 2026609 PMAQI
30th Jul 20266710 PMAQI
30th Jul 20265411 PMAQI
31st Jul 20266812 AMAQI
31st Jul 2026691 AMAQI
31st Jul 2026702 AMAQI
31st Jul 2026543 AMAQI
31st Jul 2026604 AMAQI
31st Jul 2026665 AMAQI
20°C11/30°C
31st Jul 2026606 AMAQI
31st Jul 2026577 AMAQI
31st Jul 2026628 AMAQI
31st Jul 2026579 AMAQI
31st Jul 20264010 AMAQI
31st Jul 20265011 AMAQI
31st Jul 20266412 PMAQI
31st Jul 2026421 PMAQI
31st Jul 2026502 PMAQI
31st Jul 2026503 PMAQI
31st Jul 2026214 PMAQI
31st Jul 2026295 PMAQI
31st Jul 2026276 PMAQI
31st Jul 2026457 PMAQI
31st Jul 2026388 PMAQI
31st Jul 2026389 PMAQI
31st Jul 20265410 PMAQI
31st Jul 20265011 PMAQI
1st Aug 20265412 AMAQI
1st Aug 2026401 AMAQI
1st Aug 2026462 AMAQI
1st Aug 2026583 AMAQI
1st Aug 2026514 AMAQI
1st Aug 2026645 AMAQI
22°C12/34°C
1st Aug 2026386 AMAQI
1st Aug 2026467 AMAQI
1st Aug 2026648 AMAQI
1st Aug 2026669 AMAQI
1st Aug 20266710 AMAQI
1st Aug 20266811 AMAQI
1st Aug 20266512 PMAQI
1st Aug 2026621 PMAQI
1st Aug 2026602 PMAQI
1st Aug 2026603 PMAQI
1st Aug 2026214 PMAQI
1st Aug 2026295 PMAQI
1st Aug 2026476 PMAQI
1st Aug 2026447 PMAQI
1st Aug 2026478 PMAQI
1st Aug 2026429 PMAQI
1st Aug 20263810 PMAQI
1st Aug 20265811 PMAQI
2nd Aug 20265612 AMAQI
2nd Aug 2026251 AMAQI
2nd Aug 2026402 AMAQI
2nd Aug 2026463 AMAQI
2nd Aug 2026464 AMAQI
2nd Aug 2026505 AMAQI
20°C15/26°C
2nd Aug 2026526 AMAQI
2nd Aug 2026387 AMAQI
2nd Aug 2026628 AMAQI
2nd Aug 2026639 AMAQI
2nd Aug 20267010 AMAQI
2nd Aug 20266611 AMAQI
2nd Aug 20266312 PMAQI
2nd Aug 2026581 PMAQI
2nd Aug 2026542 PMAQI
2nd Aug 2026603 PMAQI
2nd Aug 2026584 PMAQI
2nd Aug 2026365 PMAQI
2nd Aug 2026276 PMAQI
2nd Aug 2026607 PMAQI
2nd Aug 2026648 PMAQI
2nd Aug 2026429 PMAQI
2nd Aug 20264810 PMAQI
2nd Aug 20266211 PMAQI
3rd Aug 20265812 AMAQI
3rd Aug 2026211 AMAQI
3rd Aug 2026472 AMAQI
3rd Aug 2026503 AMAQI
3rd Aug 2026564 AMAQI
3rd Aug 2026425 AMAQI
19°C11/27°C
3rd Aug 2026506 AMAQI
3rd Aug 2026367 AMAQI
3rd Aug 2026568 AMAQI
3rd Aug 2026509 AMAQI
3rd Aug 20265210 AMAQI
3rd Aug 20265811 AMAQI
3rd Aug 20266912 PMAQI
3rd Aug 2026521 PMAQI
3rd Aug 2026582 PMAQI
3rd Aug 2026423 PMAQI
3rd Aug 2026544 PMAQI
3rd Aug 2026635 PMAQI
3rd Aug 2026686 PMAQI
3rd Aug 2026677 PMAQI
3rd Aug 2026698 PMAQI
3rd Aug 2026679 PMAQI
3rd Aug 20266510 PMAQI
3rd Aug 20266911 PMAQI
4th Aug 20267412 AMAQI
4th Aug 2026761 AMAQI
4th Aug 2026762 AMAQI
4th Aug 2026743 AMAQI
4th Aug 2026664 AMAQI
4th Aug 2026665 AMAQI
21°C11/32°C
4th Aug 2026726 AMAQI
4th Aug 2026727 AMAQI
4th Aug 2026748 AMAQI
4th Aug 2026849 AMAQI
4th Aug 20266810 AMAQI
4th Aug 20266611 AMAQI
4th Aug 20266812 PMAQI
4th Aug 2026731 PMAQI
4th Aug 2026642 PMAQI
4th Aug 2026683 PMAQI
4th Aug 2026574 PMAQI
4th Aug 2026685 PMAQI
4th Aug 2026726 PMAQI
4th Aug 2026737 PMAQI
4th Aug 2026698 PMAQI
4th Aug 2026609 PMAQI
4th Aug 20266710 PMAQI
4th Aug 20267211 PMAQI
5th Aug 20266012 AMAQI
5th Aug 2026671 AMAQI
5th Aug 2026662 AMAQI
5th Aug 2026763 AMAQI
5th Aug 2026724 AMAQI
5th Aug 2026765 AMAQI
24°C12/36°C
5th Aug 2026746 AMAQI
5th Aug 2026737 AMAQI
5th Aug 2026728 AMAQI
5th Aug 2026709 AMAQI
5th Aug 20266810 AMAQI
5th Aug 20266611 AMAQI
5th Aug 20265912 PMAQI
5th Aug 2026621 PMAQI
5th Aug 2026762 PMAQI
5th Aug 2026873 PMAQI
5th Aug 2026764 PMAQI
5th Aug 2026835 PMAQI
5th Aug 2026826 PMAQI
5th Aug 2026737 PMAQI
5th Aug 2026678 PMAQI
5th Aug 2026679 PMAQI
5th Aug 20266310 PMAQI
5th Aug 20266511 PMAQI
6th Aug 20266612 AMAQI
6th Aug 2026711 AMAQI
6th Aug 2026672 AMAQI
6th Aug 2026733 AMAQI
6th Aug 2026764 AMAQI
6th Aug 2026785 AMAQI
25°C14/37°C
6th Aug 2026696 AMAQI
6th Aug 2026607 AMAQI
6th Aug 2026728 AMAQI
6th Aug 2026759 AMAQI
6th Aug 20267010 AMAQI
6th Aug 20267611 AMAQI
6th Aug 20266712 PMAQI
6th Aug 2026761 PMAQI
6th Aug 2026722 PMAQI
6th Aug 2026663 PMAQI
6th Aug 2026744 PMAQI
6th Aug 2026785 PMAQI
6th Aug 2026676 PMAQI
6th Aug 2026687 PMAQI
6th Aug 2026718 PMAQI
6th Aug 2026649 PMAQI
6th Aug 20267210 PMAQI
6th Aug 20266611 PMAQI
7th Aug 20267412 AMAQI
7th Aug 2026801 AMAQI
7th Aug 2026742 AMAQI
7th Aug 2026713 AMAQI
7th Aug 2026644 AMAQI
7th Aug 2026665 AMAQI
25°C15/37°C
7th Aug 2026596 AMAQI
7th Aug 2026567 AMAQI
7th Aug 2026548 AMAQI
7th Aug 2026599 AMAQI
7th Aug 20265910 AMAQI
7th Aug 20265411 AMAQI
7th Aug 20265612 PMAQI
7th Aug 2026681 PMAQI
7th Aug 2026722 PMAQI
7th Aug 2026743 PMAQI
7th Aug 2026644 PMAQI
7th Aug 2026765 PMAQI
7th Aug 2026736 PMAQI
7th Aug 2026707 PMAQI
7th Aug 2026578 PMAQI
7th Aug 2026559 PMAQI
7th Aug 20265110 PMAQI
7th Aug 20265011 PMAQI
8th Aug 20264812 AMAQI
8th Aug 2026501 AMAQI
8th Aug 2026502 AMAQI
8th Aug 2026483 AMAQI
8th Aug 2026424 AMAQI
8th Aug 2026445 AMAQI
24°C14/35°C
8th Aug 2026466 AMAQI
8th Aug 2026487 AMAQI
8th Aug 2026518 AMAQI
8th Aug 2026549 AMAQI
8th Aug 20265910 AMAQI
8th Aug 20265811 AMAQI
8th Aug 20265612 PMAQI
8th Aug 2026501 PMAQI
8th Aug 2026502 PMAQI
8th Aug 2026483 PMAQI
8th Aug 2026504 PMAQI
8th Aug 2026465 PMAQI
8th Aug 2026486 PMAQI
8th Aug 2026507 PMAQI
8th Aug 2026688 PMAQI
8th Aug 2026629 PMAQI
8th Aug 20266210 PMAQI
8th Aug 20266211 PMAQI
9th Aug 20267112 AMAQI
9th Aug 2026691 AMAQI
9th Aug 2026662 AMAQI
9th Aug 2026603 AMAQI
9th Aug 2026504 AMAQI
9th Aug 2026705 AMAQI
25°C15/35°C
9th Aug 2026506 AMAQI
9th Aug 2026757 AMAQI
9th Aug 2026768 AMAQI
9th Aug 2026729 AMAQI
9th Aug 20267810 AMAQI
9th Aug 20268111 AMAQI
9th Aug 20267412 PMAQI
9th Aug 2026891 PMAQI
9th Aug 2026862 PMAQI
9th Aug 2026493 PMAQI
9th Aug 2026404 PMAQI
9th Aug 2026275 PMAQI
9th Aug 2026636 PMAQI
9th Aug 20261057 PMAQI
9th Aug 2026988 PMAQI
9th Aug 2026589 PMAQI
9th Aug 20265810 PMAQI
9th Aug 20266511 PMAQI
10th Aug 20265512 AMAQI
10th Aug 2026601 AMAQI
10th Aug 2026662 AMAQI
10th Aug 2026423 AMAQI
10th Aug 2026764 AMAQI
10th Aug 2026825 AMAQI
23°C14/34°C
10th Aug 2026806 AMAQI
10th Aug 2026687 AMAQI
10th Aug 2026628 AMAQI
10th Aug 2026709 AMAQI
10th Aug 20266610 AMAQI
10th Aug 20266011 AMAQI
10th Aug 20266412 PMAQI
10th Aug 2026561 PMAQI
10th Aug 2026622 PMAQI
10th Aug 2026723 PMAQI
10th Aug 2026644 PMAQI
10th Aug 2026275 PMAQI
10th Aug 2026386 PMAQI
10th Aug 2026567 PMAQI
10th Aug 2026638 PMAQI
10th Aug 2026699 PMAQI
10th Aug 20264410 PMAQI
10th Aug 20265511 PMAQI
11th Aug 20265312 AMAQI
11th Aug 2026581 AMAQI
11th Aug 2026662 AMAQI
11th Aug 2026723 AMAQI
11th Aug 2026424 AMAQI
11th Aug 2026805 AMAQI
22°C13/32°C
11th Aug 2026746 AMAQI
11th Aug 2026767 AMAQI
11th Aug 2026688 AMAQI
11th Aug 2026679 AMAQI
11th Aug 20262310 AMAQI
11th Aug 20266811 AMAQI
11th Aug 20266012 PMAQI
11th Aug 2026601 PMAQI
11th Aug 2026602 PMAQI
11th Aug 2026543 PMAQI
11th Aug 2026504 PMAQI
11th Aug 2026235 PMAQI
11th Aug 2026346 PMAQI
11th Aug 2026427 PMAQI
11th Aug 2026428 PMAQI
11th Aug 2026469 PMAQI
11th Aug 20262710 PMAQI
11th Aug 20263611 PMAQI
12th Aug 20266412 AMAQI
12th Aug 2026291 AMAQI
12th Aug 2026722 AMAQI
12th Aug 2026703 AMAQI
12th Aug 2026584 AMAQI
12th Aug 2026495 AMAQI
23°C14/33°C
12th Aug 2026476 AMAQI
12th Aug 2026697 AMAQI
12th Aug 2026278 AMAQI
12th Aug 2026529 AMAQI
12th Aug 20267910 AMAQI
12th Aug 20264811 AMAQI
12th Aug 20267012 PMAQI
12th Aug 2026641 PMAQI
12th Aug 2026522 PMAQI
12th Aug 2026523 PMAQI
12th Aug 2026504 PMAQI
12th Aug 2026365 PMAQI
12th Aug 2026696 PMAQI
12th Aug 2026667 PMAQI
12th Aug 2026688 PMAQI
12th Aug 2026859 PMAQI
12th Aug 20263410 PMAQI
12th Aug 20264611 PMAQI
13th Aug 20266412 AMAQI
13th Aug 2026651 AMAQI
13th Aug 2026562 AMAQI
13th Aug 2026563 AMAQI
13th Aug 2026724 AMAQI
13th Aug 2026645 AMAQI
22°C15/30°C
13th Aug 2026646 AMAQI
13th Aug 2026727 AMAQI
13th Aug 2026658 AMAQI
13th Aug 2026939 AMAQI
13th Aug 20267610 AMAQI
13th Aug 20266611 AMAQI
13th Aug 20266212 PMAQI
13th Aug 2026691 PMAQI
13th Aug 2026672 PMAQI
13th Aug 2026423 PMAQI
13th Aug 2026514 PMAQI
13th Aug 2026575 PMAQI
13th Aug 2026536 PMAQI
13th Aug 2026517 PMAQI
13th Aug 2026508 PMAQI
13th Aug 2026469 PMAQI
13th Aug 20264810 PMAQI
13th Aug 20264211 PMAQI
14th Aug 20264412 AMAQI
14th Aug 2026461 AMAQI
14th Aug 2026462 AMAQI
14th Aug 2026443 AMAQI
14th Aug 2026444 AMAQI
14th Aug 2026445 AMAQI
22°C14/31°C
14th Aug 2026446 AMAQI
14th Aug 2026447 AMAQI
14th Aug 2026448 AMAQI
14th Aug 2026449 AMAQI
14th Aug 20264210 AMAQI
14th Aug 20264611 AMAQI
14th Aug 20264212 PMAQI
14th Aug 2026441 PMAQI
14th Aug 2026422 PMAQI
14th Aug 2026423 PMAQI
14th Aug 2026464 PMAQI
14th Aug 2026445 PMAQI
14th Aug 2026466 PMAQI
14th Aug 2026467 PMAQI
14th Aug 2026448 PMAQI
14th Aug 2026469 PMAQI
14th Aug 20264610 PMAQI
14th Aug 20264211 PMAQI
15th Aug 20264612 AMAQI
15th Aug 2026461 AMAQI
15th Aug 2026502 AMAQI
15th Aug 2026503 AMAQI
15th Aug 2026604 AMAQI
15th Aug 2026505 AMAQI
21°C14/31°C
15th Aug 2026606 AMAQI
6 AM15th Aug 2026627 AMAQI
15th Aug 2026488 AMAQI
15th Aug 2026509 AMAQI
15th Aug 20266010 AMAQI
15th Aug 20266611 AMAQI
15th Aug 20267212 PMAQI
15th Aug 20261291 PMAQI
1 PM15th Aug 2026942 PMAQI
15th Aug 2026843 PMAQI
15th Aug 2026504 PMAQI
15th Aug 2026365 PMAQI
15th Aug 2026586 PMAQI
15th Aug 2026627 PMAQI
15th Aug 2026508 PMAQI
8 PM15th Aug 2026639 PMAQI
15th Aug 20266210 PMAQI
15th Aug 20268511 PMAQI
1 AM
5 AM
20°C13/29°C
Day time
Avg. Highest Time
9 AM
63AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
5 PM
45AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 9 AM (Avg. 63), while the lowest AQI was between 5 PM to 5 PM (Avg. 45).
Night time
Avg. Highest Time
5 AM
62AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
12 AM
51AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 5 AM (Avg. 62), while the lowest AQI was between 12 AM to 12 AM (Avg. 51).
2026 Days Vs Air Quality
Eugene Highway 99, Eugene, Oregon, United States
2026
81%
182
19%
42
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Good
182 DaysModerate
42 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 81%
Health Risk Level:
Low
In 2026, 81% of 227 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Eugene Highway 99, Eugene, Oregon, United States
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
65AQI (US)
65AQI (US)
2nd January 2026
48AQI (US)
48AQI (US)
3rd January 2026
18AQI (US)
18AQI (US)
4th January 2026
15AQI (US)
15AQI (US)
5th January 2026
22AQI (US)
22AQI (US)
6th January 2026
36AQI (US)
36AQI (US)
7th January 2026
10AQI (US)
10AQI (US)
8th January 2026
11AQI (US)
11AQI (US)
9th January 2026
13AQI (US)
13AQI (US)
10th January 2026
26AQI (US)
26AQI (US)
11th January 2026
22AQI (US)
22AQI (US)
12th January 2026
29AQI (US)
29AQI (US)
13th January 2026
58AQI (US)
58AQI (US)
14th January 2026
71AQI (US)
71AQI (US)
15th January 2026
38AQI (US)
38AQI (US)
16th January 2026
27AQI (US)
27AQI (US)
17th January 2026
45AQI (US)
45AQI (US)
18th January 2026
61AQI (US)
61AQI (US)
19th January 2026
57AQI (US)
57AQI (US)
20th January 2026
62AQI (US)
62AQI (US)
21st January 2026
74AQI (US)
74AQI (US)
22nd January 2026
49AQI (US)
49AQI (US)
23rd January 2026
53AQI (US)
53AQI (US)
24th January 2026
47AQI (US)
47AQI (US)
25th January 2026
45AQI (US)
45AQI (US)
26th January 2026
47AQI (US)
47AQI (US)
27th January 2026
42AQI (US)
42AQI (US)
28th January 2026
46AQI (US)
46AQI (US)
29th January 2026
51AQI (US)
51AQI (US)
30th January 2026
54AQI (US)
54AQI (US)
31st January 2026
44AQI (US)
44AQI (US)
1st February 2026
46AQI (US)
46AQI (US)
2nd February 2026
47AQI (US)
47AQI (US)
3rd February 2026
49AQI (US)
49AQI (US)
4th February 2026
47AQI (US)
47AQI (US)
5th February 2026
48AQI (US)
48AQI (US)
6th February 2026
43AQI (US)
43AQI (US)
7th February 2026
41AQI (US)
41AQI (US)
8th February 2026
47AQI (US)
47AQI (US)
9th February 2026
45AQI (US)
45AQI (US)
10th February 2026
45AQI (US)
45AQI (US)
11th February 2026
41AQI (US)
41AQI (US)
12th February 2026
42AQI (US)
42AQI (US)
13th February 2026
48AQI (US)
48AQI (US)
14th February 2026
48AQI (US)
48AQI (US)
15th February 2026
38AQI (US)
38AQI (US)
16th February 2026
45AQI (US)
45AQI (US)
17th February 2026
45AQI (US)
45AQI (US)
18th February 2026
41AQI (US)
41AQI (US)
19th February 2026
41AQI (US)
41AQI (US)
20th February 2026
38AQI (US)
38AQI (US)
21st February 2026
34AQI (US)
34AQI (US)
22nd February 2026
38AQI (US)
38AQI (US)
23rd February 2026
40AQI (US)
40AQI (US)
24th February 2026
48AQI (US)
48AQI (US)
25th February 2026
43AQI (US)
43AQI (US)
26th February 2026
37AQI (US)
37AQI (US)
27th February 2026
38AQI (US)
38AQI (US)
28th February 2026
38AQI (US)
38AQI (US)
1st March 2026
42AQI (US)
42AQI (US)
2nd March 2026
62AQI (US)
62AQI (US)
3rd March 2026
47AQI (US)
47AQI (US)
4th March 2026
48AQI (US)
48AQI (US)
5th March 2026
40AQI (US)
40AQI (US)
6th March 2026
34AQI (US)
34AQI (US)
7th March 2026
40AQI (US)
40AQI (US)
8th March 2026
43AQI (US)
43AQI (US)
9th March 2026
37AQI (US)
37AQI (US)
10th March 2026
37AQI (US)
37AQI (US)
11th March 2026
42AQI (US)
42AQI (US)
12th March 2026
40AQI (US)
40AQI (US)
13th March 2026
40AQI (US)
40AQI (US)
14th March 2026
34AQI (US)
34AQI (US)
15th March 2026
35AQI (US)
35AQI (US)
16th March 2026
39AQI (US)
39AQI (US)
17th March 2026
32AQI (US)
32AQI (US)
18th March 2026
31AQI (US)
31AQI (US)
19th March 2026
37AQI (US)
37AQI (US)
20th March 2026
41AQI (US)
41AQI (US)
21st March 2026
37AQI (US)
37AQI (US)
22nd March 2026
38AQI (US)
38AQI (US)
23rd March 2026
40AQI (US)
40AQI (US)
24th March 2026
38AQI (US)
38AQI (US)
25th March 2026
32AQI (US)
32AQI (US)
26th March 2026
29AQI (US)
29AQI (US)
27th March 2026
30AQI (US)
30AQI (US)
28th March 2026
31AQI (US)
31AQI (US)
29th March 2026
26AQI (US)
26AQI (US)
30th March 2026
27AQI (US)
27AQI (US)
31st March 2026
25AQI (US)
25AQI (US)
1st April 2026
32AQI (US)
32AQI (US)
2nd April 2026
31AQI (US)
31AQI (US)
3rd April 2026
27AQI (US)
27AQI (US)
4th April 2026
31AQI (US)
31AQI (US)
5th April 2026
29AQI (US)
29AQI (US)
6th April 2026
31AQI (US)
31AQI (US)
7th April 2026
27AQI (US)
27AQI (US)
8th April 2026
33AQI (US)
33AQI (US)
9th April 2026
29AQI (US)
29AQI (US)
10th April 2026
31AQI (US)
31AQI (US)
11th April 2026
31AQI (US)
31AQI (US)
12th April 2026
26AQI (US)
26AQI (US)
13th April 2026
30AQI (US)
30AQI (US)
14th April 2026
34AQI (US)
34AQI (US)
15th April 2026
32AQI (US)
32AQI (US)
16th April 2026
29AQI (US)
29AQI (US)
17th April 2026
18th April 2026
30AQI (US)
30AQI (US)
19th April 2026
33AQI (US)
33AQI (US)
20th April 2026
27AQI (US)
27AQI (US)
21st April 2026
27AQI (US)
27AQI (US)
22nd April 2026
23rd April 2026
24AQI (US)
24AQI (US)
24th April 2026
26AQI (US)
26AQI (US)
25th April 2026
28AQI (US)
28AQI (US)
26th April 2026
33AQI (US)
33AQI (US)
27th April 2026
27AQI (US)
27AQI (US)
28th April 2026
25AQI (US)
25AQI (US)
29th April 2026
24AQI (US)
24AQI (US)
30th April 2026
26AQI (US)
26AQI (US)
1st May 2026
26AQI (US)
26AQI (US)
2nd May 2026
24AQI (US)
24AQI (US)
3rd May 2026
25AQI (US)
25AQI (US)
4th May 2026
35AQI (US)
35AQI (US)
5th May 2026
35AQI (US)
35AQI (US)
6th May 2026
29AQI (US)
29AQI (US)
7th May 2026
26AQI (US)
26AQI (US)
8th May 2026
27AQI (US)
27AQI (US)
9th May 2026
10th May 2026
31AQI (US)
31AQI (US)
11th May 2026
27AQI (US)
27AQI (US)
12th May 2026
24AQI (US)
24AQI (US)
13th May 2026
26AQI (US)
26AQI (US)
14th May 2026
24AQI (US)
24AQI (US)
15th May 2026
47AQI (US)
47AQI (US)
16th May 2026
51AQI (US)
51AQI (US)
17th May 2026
58AQI (US)
58AQI (US)
18th May 2026
57AQI (US)
57AQI (US)
19th May 2026
56AQI (US)
56AQI (US)
20th May 2026
52AQI (US)
52AQI (US)
21st May 2026
41AQI (US)
41AQI (US)
22nd May 2026
49AQI (US)
49AQI (US)
23rd May 2026
49AQI (US)
49AQI (US)
24th May 2026
47AQI (US)
47AQI (US)
25th May 2026
43AQI (US)
43AQI (US)
26th May 2026
28AQI (US)
28AQI (US)
27th May 2026
28AQI (US)
28AQI (US)
28th May 2026
27AQI (US)
27AQI (US)
29th May 2026
26AQI (US)
26AQI (US)
30th May 2026
28AQI (US)
28AQI (US)
31st May 2026
29AQI (US)
29AQI (US)
1st June 2026
32AQI (US)
32AQI (US)
2nd June 2026
31AQI (US)
31AQI (US)
3rd June 2026
30AQI (US)
30AQI (US)
4th June 2026
26AQI (US)
26AQI (US)
5th June 2026
28AQI (US)
28AQI (US)
6th June 2026
25AQI (US)
25AQI (US)
7th June 2026
24AQI (US)
24AQI (US)
8th June 2026
27AQI (US)
27AQI (US)
9th June 2026
26AQI (US)
26AQI (US)
10th June 2026
28AQI (US)
28AQI (US)
11th June 2026
27AQI (US)
27AQI (US)
12th June 2026
27AQI (US)
27AQI (US)
13th June 2026
25AQI (US)
25AQI (US)
14th June 2026
24AQI (US)
24AQI (US)
15th June 2026
26AQI (US)
26AQI (US)
16th June 2026
27AQI (US)
27AQI (US)
17th June 2026
28AQI (US)
28AQI (US)
18th June 2026
28AQI (US)
28AQI (US)
19th June 2026
25AQI (US)
25AQI (US)
20th June 2026
24AQI (US)
24AQI (US)
21st June 2026
22AQI (US)
22AQI (US)
22nd June 2026
25AQI (US)
25AQI (US)
23rd June 2026
25AQI (US)
25AQI (US)
24th June 2026
24AQI (US)
24AQI (US)
25th June 2026
25AQI (US)
25AQI (US)
26th June 2026
28AQI (US)
28AQI (US)
27th June 2026
30AQI (US)
30AQI (US)
28th June 2026
28AQI (US)
28AQI (US)
29th June 2026
25AQI (US)
25AQI (US)
30th June 2026
26AQI (US)
26AQI (US)
1st July 2026
26AQI (US)
26AQI (US)
2nd July 2026
27AQI (US)
27AQI (US)
3rd July 2026
28AQI (US)
28AQI (US)
4th July 2026
25AQI (US)
25AQI (US)
5th July 2026
25AQI (US)
25AQI (US)
6th July 2026
28AQI (US)
28AQI (US)
7th July 2026
30AQI (US)
30AQI (US)
8th July 2026
27AQI (US)
27AQI (US)
9th July 2026
29AQI (US)
29AQI (US)
10th July 2026
33AQI (US)
33AQI (US)
11th July 2026
31AQI (US)
31AQI (US)
12th July 2026
29AQI (US)
29AQI (US)
13th July 2026
31AQI (US)
31AQI (US)
14th July 2026
30AQI (US)
30AQI (US)
15th July 2026
28AQI (US)
28AQI (US)
16th July 2026
29AQI (US)
29AQI (US)
17th July 2026
48AQI (US)
48AQI (US)
18th July 2026
52AQI (US)
52AQI (US)
19th July 2026
40AQI (US)
40AQI (US)
20th July 2026
46AQI (US)
46AQI (US)
21st July 2026
54AQI (US)
54AQI (US)
22nd July 2026
59AQI (US)
59AQI (US)
23rd July 2026
58AQI (US)
58AQI (US)
24th July 2026
54AQI (US)
54AQI (US)
25th July 2026
54AQI (US)
54AQI (US)
26th July 2026
55AQI (US)
55AQI (US)
27th July 2026
51AQI (US)
51AQI (US)
28th July 2026
53AQI (US)
53AQI (US)
29th July 2026
52AQI (US)
52AQI (US)
30th July 2026
59AQI (US)
59AQI (US)
31st July 2026
51AQI (US)
51AQI (US)
1st August 2026
51AQI (US)
51AQI (US)
2nd August 2026
52AQI (US)
52AQI (US)
3rd August 2026
55AQI (US)
55AQI (US)
4th August 2026
70AQI (US)
70AQI (US)
5th August 2026
71AQI (US)
71AQI (US)
6th August 2026
71AQI (US)
71AQI (US)
7th August 2026
64AQI (US)
64AQI (US)
8th August 2026
52AQI (US)
52AQI (US)
9th August 2026
68AQI (US)
68AQI (US)
10th August 2026
61AQI (US)
61AQI (US)
11th August 2026
53AQI (US)
53AQI (US)
12th August 2026
56AQI (US)
56AQI (US)
13th August 2026
60AQI (US)
60AQI (US)
14th August 2026
44AQI (US)
44AQI (US)
15th August 2026
62AQI (US)
62AQI (US)
16th August 2026
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
41AQI (US)
43AQI (US)
37AQI (US)
29AQI (US)
36AQI (US)
27AQI (US)
40AQI (US)
59AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202638AQI (US)
21
10
28
30
1
28
25
5
30
19
12
1
14
182
42
Highest AQI (US) recorded in
August59AQI (US)
Lowest AQI (US) recorded in
June27AQI (US)
202529AQI (US)
20
11
28
31
30
31
30
31
30
1
26
4
29
2
22
8
26
5
334
31
Highest AQI (US) recorded in
January48AQI (US)
Lowest AQI (US) recorded in
May20AQI (US)
202426AQI (US)
31
26
2
25
1
21
12
29
31
30
1
26
1
29
2
28
2
24
7
312
16
Highest AQI (US) recorded in
December36AQI (US)
Lowest AQI (US) recorded in
May15AQI (US)
202327AQI (US)
24
3
15
5
25
3
24
2
1
27
4
115
17
1
Highest AQI (US) recorded in
November95AQI (US)
Lowest AQI (US) recorded in
April14AQI (US)
202232AQI (US)
13
7
3
8
5
1
25
6
14
29
2
24
19
1
1
20
4
13
10
1
14
13
21
6
201
54
5
Highest AQI (US) recorded in
February49AQI (US)
Lowest AQI (US) recorded in
July16AQI (US)
202123AQI (US)
12
25
21
23
20
1
20
21
1
14
3
18
5
15
8
2
21
3
210
21
2
Highest AQI (US) recorded in
November50AQI (US)
Lowest AQI (US) recorded in
February3AQI (US)
202040AQI (US)
13
18
2
18
30
31
31
16
3
1
2
2
6
18
12
26
4
24
6
225
27
1
2
2
6
Highest AQI (US) recorded in
September125AQI (US)
Lowest AQI (US) recorded in
June21AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2020(Avg.)
40AQI (US)Least Polluted Year Recorded
2021(Avg.)
23AQI (US)Eugene Highway 99's annual 2026 AQI (US) (38) shows an average percentage change of 32.8% (worsened AQI (US)) compared to previous years: 2020 (40), 2021 (23), 2022 (32), 2023 (27), 2024 (26), 2025 (29).
