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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Southwest Marshall Place, Pendleton, 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

Southwest Marshall Place, Pendleton, Oregon, United States

2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
5th Aug 2026
154AQI
Lowest AQI recorded on
16th Aug 2025
13AQI

Same Day Analysis (14th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 66 of Moderate air quality on the same day.

Day & Night AQI Trend: 13th Aug - 14th Aug 2026

Southwest Marshall Place, Pendleton, Oregon, United States

AQI
Day
Night
.

5 AM13th Aug 2026

8 PM

4 AM14th Aug 2026

Day time
Avg. Highest Time
2PM13th Aug

88AQI

Avg. Lowest Time
10AM13th Aug

56AQI

Night time
Avg. Highest Time
9PM13th Aug

89AQI

Avg. Lowest Time
4AM14th Aug

68AQI

In the last 24 hours,

Southwest Marshall Place's AQI reached its highest point of 89 at 9 PM during the Night, while the lowest point, 56, was recorded at 10 AM during the Day between 13th Aug and 14th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Southwest Marshall Place, Pendleton, Oregon, United States

JulAug
16th - 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 - 11th11th - 12th12th - 13th13th - 14th14th
Day
Night
16th Jul 2026285 AMAQI
16th Jul 2026226 AMAQI
16th Jul 2026227 AMAQI
16th Jul 2026218 AMAQI
16th Jul 2026249 AMAQI
16th Jul 20262410 AMAQI
16th Jul 20262211 AMAQI
16th Jul 20262812 PMAQI
16th Jul 2026321 PMAQI
16th Jul 2026342 PMAQI
16th Jul 2026463 PMAQI
16th Jul 2026514 PMAQI
16th Jul 2026505 PMAQI
16th Jul 2026486 PMAQI
16th Jul 2026447 PMAQI
16th Jul 2026428 PMAQI
16th Jul 2026469 PMAQI
16th Jul 20269810 PMAQI
16th Jul 20268011 PMAQI
17th Jul 20269012 AMAQI
17th Jul 2026881 AMAQI
17th Jul 2026792 AMAQI
17th Jul 20262583 AMAQI
17th Jul 20261864 AMAQI

28°C20/36°C

17th Jul 20261405 AMAQI
17th Jul 20261166 AMAQI
17th Jul 20261007 AMAQI
17th Jul 2026728 AMAQI
17th Jul 2026649 AMAQI
17th Jul 20266810 AMAQI
17th Jul 20266111 AMAQI
17th Jul 20265612 PMAQI
17th Jul 2026831 PMAQI
17th Jul 2026812 PMAQI
17th Jul 2026723 PMAQI
17th Jul 2026654 PMAQI
17th Jul 2026675 PMAQI
17th Jul 2026656 PMAQI
17th Jul 2026787 PMAQI
17th Jul 2026748 PMAQI
17th Jul 2026709 PMAQI
17th Jul 20267610 PMAQI
17th Jul 20265911 PMAQI
18th Jul 20265312 AMAQI
18th Jul 2026501 AMAQI
18th Jul 2026502 AMAQI
18th Jul 2026443 AMAQI
18th Jul 2026484 AMAQI

25°C16/33°C

18th Jul 2026505 AMAQI
18th Jul 2026486 AMAQI
18th Jul 2026507 AMAQI
18th Jul 2026488 AMAQI
18th Jul 2026509 AMAQI
18th Jul 20265010 AMAQI
18th Jul 20264611 AMAQI
18th Jul 20265412 PMAQI
18th Jul 2026421 PMAQI
18th Jul 2026442 PMAQI
18th Jul 2026423 PMAQI
18th Jul 2026404 PMAQI
18th Jul 2026625 PMAQI
18th Jul 2026646 PMAQI
18th Jul 2026387 PMAQI
18th Jul 2026588 PMAQI
18th Jul 2026629 PMAQI
18th Jul 202610410 PMAQI
18th Jul 20268611 PMAQI
19th Jul 20266912 AMAQI
19th Jul 2026601 AMAQI
19th Jul 2026512 AMAQI
19th Jul 2026483 AMAQI
19th Jul 2026404 AMAQI

24°C15/33°C

19th Jul 2026445 AMAQI
19th Jul 2026386 AMAQI
19th Jul 2026367 AMAQI
19th Jul 2026428 AMAQI
19th Jul 2026489 AMAQI
19th Jul 20264410 AMAQI
19th Jul 20264611 AMAQI
19th Jul 20264012 PMAQI
19th Jul 2026401 PMAQI
19th Jul 2026382 PMAQI
19th Jul 2026383 PMAQI
19th Jul 2026444 PMAQI
19th Jul 2026465 PMAQI
19th Jul 2026466 PMAQI
19th Jul 2026447 PMAQI
19th Jul 2026508 PMAQI
19th Jul 2026489 PMAQI
19th Jul 20266010 PMAQI
19th Jul 20266911 PMAQI
20th Jul 20266512 AMAQI
20th Jul 2026691 AMAQI
20th Jul 2026622 AMAQI
20th Jul 2026403 AMAQI
20th Jul 2026464 AMAQI

25°C14/34°C

20th Jul 2026485 AMAQI
20th Jul 2026506 AMAQI
20th Jul 2026537 AMAQI
20th Jul 2026638 AMAQI
20th Jul 2026789 AMAQI
20th Jul 202610810 AMAQI
20th Jul 202611411 AMAQI
20th Jul 202613412 PMAQI
20th Jul 20261451 PMAQI
20th Jul 20261482 PMAQI
20th Jul 20261523 PMAQI
20th Jul 20261324 PMAQI
20th Jul 2026985 PMAQI
20th Jul 2026896 PMAQI
20th Jul 2026897 PMAQI
20th Jul 20261049 PMAQI
20th Jul 202610910 PMAQI
20th Jul 202610611 PMAQI
21st Jul 202611212 AMAQI
21st Jul 20261101 AMAQI
21st Jul 20261122 AMAQI
21st Jul 20261023 AMAQI
21st Jul 20261014 AMAQI

24°C18/32°C

21st Jul 20261045 AMAQI
21st Jul 20261126 AMAQI
21st Jul 20261227 AMAQI
21st Jul 20261488 AMAQI
21st Jul 20261589 AMAQI
21st Jul 202616310 AMAQI
21st Jul 202616611 AMAQI
21st Jul 202615812 PMAQI
21st Jul 20261581 PMAQI
21st Jul 20261392 PMAQI
21st Jul 20261093 PMAQI
21st Jul 2026904 PMAQI
21st Jul 2026865 PMAQI
21st Jul 2026826 PMAQI
21st Jul 2026797 PMAQI
21st Jul 2026838 PMAQI
21st Jul 2026829 PMAQI
21st Jul 20268110 PMAQI
21st Jul 20268211 PMAQI
22nd Jul 20268212 AMAQI
22nd Jul 2026801 AMAQI
22nd Jul 2026812 AMAQI
22nd Jul 2026823 AMAQI
22nd Jul 2026804 AMAQI

27°C16/37°C

22nd Jul 2026885 AMAQI
22nd Jul 2026806 AMAQI
22nd Jul 2026837 AMAQI
22nd Jul 2026868 AMAQI
22nd Jul 2026929 AMAQI
22nd Jul 202615310 AMAQI
22nd Jul 202615411 AMAQI
22nd Jul 202615012 PMAQI
22nd Jul 20261561 PMAQI
22nd Jul 20261522 PMAQI
22nd Jul 20261353 PMAQI
22nd Jul 20261284 PMAQI
22nd Jul 20261105 PMAQI
22nd Jul 20261146 PMAQI
22nd Jul 20261347 PMAQI
22nd Jul 20261488 PMAQI
22nd Jul 20261489 PMAQI
22nd Jul 202615410 PMAQI
22nd Jul 202613011 PMAQI
23rd Jul 202611412 AMAQI
23rd Jul 20261021 AMAQI
23rd Jul 2026922 AMAQI
23rd Jul 2026973 AMAQI
23rd Jul 2026974 AMAQI

31°C20/40°C

23rd Jul 2026965 AMAQI
23rd Jul 20261016 AMAQI
23rd Jul 2026977 AMAQI
23rd Jul 20261058 AMAQI
23rd Jul 20261089 AMAQI
23rd Jul 202610510 AMAQI
23rd Jul 20269811 AMAQI
23rd Jul 20269312 PMAQI
23rd Jul 2026751 PMAQI
23rd Jul 2026732 PMAQI
23rd Jul 2026723 PMAQI
23rd Jul 2026754 PMAQI
23rd Jul 2026815 PMAQI
23rd Jul 20261006 PMAQI
23rd Jul 20261347 PMAQI
23rd Jul 20261248 PMAQI
23rd Jul 20261119 PMAQI
23rd Jul 20269410 PMAQI
23rd Jul 20268011 PMAQI
24th Jul 20269412 AMAQI
24th Jul 20261131 AMAQI
24th Jul 20261062 AMAQI
24th Jul 2026813 AMAQI
24th Jul 2026674 AMAQI

29°C21/37°C

24th Jul 2026535 AMAQI
24th Jul 2026556 AMAQI
24th Jul 2026537 AMAQI
24th Jul 2026598 AMAQI
24th Jul 2026569 AMAQI
24th Jul 20265310 AMAQI
24th Jul 20265811 AMAQI
24th Jul 20265812 PMAQI
24th Jul 2026511 PMAQI
24th Jul 2026462 PMAQI
24th Jul 2026463 PMAQI
24th Jul 2026384 PMAQI
24th Jul 2026625 PMAQI
24th Jul 2026586 PMAQI
24th Jul 2026587 PMAQI
24th Jul 2026638 PMAQI
24th Jul 2026669 PMAQI
24th Jul 20267410 PMAQI
24th Jul 20266911 PMAQI
25th Jul 20269612 AMAQI
25th Jul 20261001 AMAQI
25th Jul 20261022 AMAQI
25th Jul 2026833 AMAQI
25th Jul 2026404 AMAQI

28°C18/37°C

25th Jul 2026465 AMAQI
25th Jul 2026506 AMAQI
25th Jul 2026477 AMAQI
25th Jul 2026428 AMAQI
25th Jul 2026649 AMAQI
25th Jul 20266510 AMAQI
25th Jul 20266211 AMAQI
25th Jul 20265812 PMAQI
25th Jul 2026511 PMAQI
25th Jul 2026562 PMAQI
25th Jul 2026533 PMAQI
25th Jul 2026524 PMAQI
25th Jul 2026535 PMAQI
25th Jul 2026606 PMAQI
25th Jul 2026567 PMAQI
25th Jul 2026648 PMAQI
25th Jul 2026649 PMAQI
25th Jul 202610410 PMAQI
25th Jul 202610411 PMAQI
26th Jul 20267812 AMAQI
26th Jul 2026641 AMAQI
26th Jul 2026512 AMAQI
26th Jul 2026423 AMAQI
26th Jul 2026644 AMAQI

26°C19/34°C

26th Jul 2026645 AMAQI
26th Jul 2026646 AMAQI
26th Jul 2026697 AMAQI
26th Jul 2026688 AMAQI
26th Jul 2026339 AMAQI
26th Jul 20266710 AMAQI
26th Jul 20264611 AMAQI
26th Jul 20265812 PMAQI
26th Jul 2026991 PMAQI
26th Jul 20261222 PMAQI
26th Jul 2026503 PMAQI
26th Jul 2026574 PMAQI
26th Jul 2026675 PMAQI
26th Jul 2026606 PMAQI
26th Jul 2026627 PMAQI
26th Jul 2026688 PMAQI
26th Jul 2026689 PMAQI
26th Jul 20267210 PMAQI
26th Jul 20267011 PMAQI
27th Jul 20267012 AMAQI
27th Jul 2026691 AMAQI
27th Jul 2026642 AMAQI
27th Jul 2026653 AMAQI
27th Jul 2026574 AMAQI

23°C14/31°C

27th Jul 2026565 AMAQI
27th Jul 2026486 AMAQI
27th Jul 2026477 AMAQI
27th Jul 2026518 AMAQI
27th Jul 2026519 AMAQI
27th Jul 20265210 AMAQI
27th Jul 20264411 AMAQI
27th Jul 20263612 PMAQI
27th Jul 2026561 PMAQI
27th Jul 2026582 PMAQI
27th Jul 2026683 PMAQI
27th Jul 2026764 PMAQI
27th Jul 2026885 PMAQI
27th Jul 20261116 PMAQI
27th Jul 20261407 PMAQI
27th Jul 20261308 PMAQI
27th Jul 20261319 PMAQI
27th Jul 202612610 PMAQI
27th Jul 202611211 PMAQI
28th Jul 202611912 AMAQI
28th Jul 20261081 AMAQI
28th Jul 20261182 AMAQI
28th Jul 20261083 AMAQI
28th Jul 2026924 AMAQI

24°C14/33°C

28th Jul 2026815 AMAQI
28th Jul 2026666 AMAQI
28th Jul 2026687 AMAQI
28th Jul 2026688 AMAQI
28th Jul 2026669 AMAQI
28th Jul 20265810 AMAQI
28th Jul 20266511 AMAQI
28th Jul 20265912 PMAQI
28th Jul 2026621 PMAQI
28th Jul 2026622 PMAQI
28th Jul 2026813 PMAQI
28th Jul 2026834 PMAQI
28th Jul 2026795 PMAQI
28th Jul 2026846 PMAQI
28th Jul 2026727 PMAQI
28th Jul 2026848 PMAQI
28th Jul 2026769 PMAQI
28th Jul 20266610 PMAQI
28th Jul 20266511 PMAQI
29th Jul 20265612 AMAQI
29th Jul 2026521 AMAQI
29th Jul 2026382 AMAQI
29th Jul 2026403 AMAQI
29th Jul 2026484 AMAQI

24°C15/32°C

29th Jul 2026495 AMAQI
29th Jul 2026446 AMAQI
29th Jul 2026407 AMAQI
29th Jul 2026738 AMAQI
29th Jul 2026449 AMAQI
29th Jul 20264210 AMAQI
29th Jul 20264411 AMAQI
29th Jul 20264212 PMAQI
29th Jul 2026521 PMAQI
29th Jul 2026442 PMAQI
29th Jul 2026503 PMAQI
29th Jul 2026574 PMAQI
29th Jul 2026605 PMAQI
29th Jul 2026656 PMAQI
29th Jul 2026667 PMAQI
29th Jul 2026748 PMAQI
29th Jul 2026769 PMAQI
29th Jul 20269010 PMAQI
29th Jul 202610011 PMAQI
30th Jul 20269812 AMAQI
30th Jul 20261041 AMAQI
30th Jul 2026982 AMAQI
30th Jul 2026983 AMAQI
30th Jul 2026884 AMAQI

23°C15/31°C

30th Jul 2026805 AMAQI
30th Jul 2026766 AMAQI
30th Jul 2026627 AMAQI
30th Jul 2026598 AMAQI
30th Jul 2026589 AMAQI
30th Jul 20266210 AMAQI
30th Jul 20266511 AMAQI
30th Jul 20265612 PMAQI
30th Jul 2026561 PMAQI
30th Jul 2026622 PMAQI
30th Jul 2026653 PMAQI
30th Jul 2026684 PMAQI
30th Jul 2026685 PMAQI
30th Jul 2026846 PMAQI
30th Jul 2026937 PMAQI
30th Jul 2026928 PMAQI
30th Jul 2026719 PMAQI
30th Jul 20267010 PMAQI
30th Jul 20267611 PMAQI
31st Jul 20267912 AMAQI
31st Jul 2026811 AMAQI
31st Jul 2026782 AMAQI
31st Jul 2026783 AMAQI
31st Jul 2026764 AMAQI

24°C14/33°C

31st Jul 2026685 AMAQI
31st Jul 2026596 AMAQI
31st Jul 2026567 AMAQI
31st Jul 2026688 AMAQI
31st Jul 2026789 AMAQI
31st Jul 20269010 AMAQI
31st Jul 20267611 AMAQI
31st Jul 20267012 PMAQI
31st Jul 2026661 PMAQI
31st Jul 2026682 PMAQI
31st Jul 2026623 PMAQI
31st Jul 2026524 PMAQI
31st Jul 2026505 PMAQI
31st Jul 2026426 PMAQI
31st Jul 2026427 PMAQI
31st Jul 2026848 PMAQI
31st Jul 2026629 PMAQI
31st Jul 20269610 PMAQI
31st Jul 20267011 PMAQI
1st Aug 20266412 AMAQI
1st Aug 2026601 AMAQI
1st Aug 2026532 AMAQI
1st Aug 2026513 AMAQI
1st Aug 2026534 AMAQI

26°C16/35°C

1st Aug 2026545 AMAQI
1st Aug 2026576 AMAQI
1st Aug 2026587 AMAQI
1st Aug 2026588 AMAQI
1st Aug 2026529 AMAQI
1st Aug 20265810 AMAQI
1st Aug 20269011 AMAQI
1st Aug 202610212 PMAQI
1st Aug 20261021 PMAQI
1st Aug 2026822 PMAQI
1st Aug 2026703 PMAQI
1st Aug 2026714 PMAQI
1st Aug 2026875 PMAQI
1st Aug 20261396 PMAQI
1st Aug 20261007 PMAQI
1st Aug 2026748 PMAQI
1st Aug 2026769 PMAQI
1st Aug 20266510 PMAQI
1st Aug 20265211 PMAQI
2nd Aug 20265512 AMAQI
2nd Aug 2026501 AMAQI
2nd Aug 2026492 AMAQI
2nd Aug 2026323 AMAQI
2nd Aug 2026444 AMAQI

24°C18/31°C

2nd Aug 2026385 AMAQI
2nd Aug 2026276 AMAQI
2nd Aug 2026427 AMAQI
2nd Aug 2026458 AMAQI
2nd Aug 2026469 AMAQI
2nd Aug 20264610 AMAQI
2nd Aug 20264011 AMAQI
2nd Aug 20264612 PMAQI
2nd Aug 2026401 PMAQI
2nd Aug 2026442 PMAQI
2nd Aug 2026403 PMAQI
2nd Aug 2026524 PMAQI
2nd Aug 2026565 PMAQI
2nd Aug 2026606 PMAQI
2nd Aug 2026607 PMAQI
2nd Aug 2026578 PMAQI
2nd Aug 2026769 PMAQI
2nd Aug 20265610 PMAQI
2nd Aug 20269811 PMAQI
3rd Aug 20267112 AMAQI
3rd Aug 2026701 AMAQI
3rd Aug 2026622 AMAQI
3rd Aug 2026503 AMAQI
3rd Aug 2026584 AMAQI

20°C11/28°C

3rd Aug 2026765 AMAQI
3rd Aug 2026786 AMAQI
3rd Aug 2026747 AMAQI
3rd Aug 2026808 AMAQI
3rd Aug 2026809 AMAQI
3rd Aug 20264110 AMAQI
3rd Aug 20267311 AMAQI
3rd Aug 20265412 PMAQI
3rd Aug 2026831 PMAQI
3rd Aug 20261152 PMAQI
3rd Aug 20261443 PMAQI
3rd Aug 20261364 PMAQI
3rd Aug 20261505 PMAQI
3rd Aug 20261426 PMAQI
3rd Aug 20261387 PMAQI
3rd Aug 20261328 PMAQI
3rd Aug 20261259 PMAQI
3rd Aug 202612210 PMAQI
3rd Aug 202611511 PMAQI
4th Aug 202611512 AMAQI
4th Aug 20261251 AMAQI
4th Aug 20261202 AMAQI
4th Aug 20261253 AMAQI
4th Aug 20261184 AMAQI

19°C10/28°C

4th Aug 20261205 AMAQI
4th Aug 20261146 AMAQI
4th Aug 20261207 AMAQI
4th Aug 20261358 AMAQI
4th Aug 20261629 AMAQI
4th Aug 202616410 AMAQI
4th Aug 202617511 AMAQI
4th Aug 202616612 PMAQI
4th Aug 20261601 PMAQI
4th Aug 20261592 PMAQI
4th Aug 20261583 PMAQI
4th Aug 20261584 PMAQI
4th Aug 20261585 PMAQI
4th Aug 20261546 PMAQI
4th Aug 20261547 PMAQI
4th Aug 20261588 PMAQI
4th Aug 20261579 PMAQI
4th Aug 202615810 PMAQI
4th Aug 202616011 PMAQI
5th Aug 202615812 AMAQI
5th Aug 20261571 AMAQI
5th Aug 20261562 AMAQI
5th Aug 20261593 AMAQI
5th Aug 20261564 AMAQI

21°C9/32°C

5th Aug 20261565 AMAQI
5th Aug 20261566 AMAQI
5th Aug 20261607 AMAQI
5th Aug 20261648 AMAQI
5th Aug 20261649 AMAQI
5th Aug 202616910 AMAQI
5th Aug 202616611 AMAQI
5th Aug 202616812 PMAQI
5th Aug 20261661 PMAQI
5th Aug 20261602 PMAQI
5th Aug 20261583 PMAQI
5th Aug 20261554 PMAQI
5th Aug 20261545 PMAQI
5th Aug 20261486 PMAQI
5th Aug 20261407 PMAQI
5th Aug 20261288 PMAQI
5th Aug 20261349 PMAQI
5th Aug 202613610 PMAQI
5th Aug 202613211 PMAQI
6th Aug 202612412 AMAQI
6th Aug 20261351 AMAQI
6th Aug 20261292 AMAQI
6th Aug 20261323 AMAQI
6th Aug 20261284 AMAQI

24°C12/35°C

6th Aug 20261345 AMAQI
6th Aug 20261346 AMAQI
6th Aug 20261387 AMAQI
6th Aug 20261358 AMAQI
6th Aug 20261569 AMAQI
6th Aug 202616510 AMAQI
6th Aug 202617211 AMAQI
6th Aug 202617412 PMAQI
6th Aug 20261681 PMAQI
6th Aug 20261602 PMAQI
6th Aug 20261603 PMAQI
6th Aug 20261604 PMAQI
6th Aug 20261625 PMAQI
6th Aug 20261596 PMAQI
6th Aug 20261567 PMAQI
6th Aug 20261568 PMAQI
6th Aug 20261569 PMAQI
6th Aug 202615610 PMAQI
6th Aug 202615711 PMAQI
7th Aug 202615612 AMAQI
7th Aug 20261571 AMAQI
7th Aug 20261562 AMAQI
7th Aug 20261543 AMAQI
7th Aug 20261544 AMAQI

26°C14/37°C

7th Aug 20261545 AMAQI
7th Aug 20261506 AMAQI
7th Aug 20261547 AMAQI
7th Aug 20261528 AMAQI
7th Aug 20261559 AMAQI
7th Aug 202615710 AMAQI
7th Aug 202615611 AMAQI
7th Aug 202614212 PMAQI
7th Aug 20261021 PMAQI
7th Aug 2026882 PMAQI
7th Aug 2026813 PMAQI
7th Aug 2026804 PMAQI
7th Aug 2026805 PMAQI
7th Aug 2026806 PMAQI
7th Aug 2026867 PMAQI
7th Aug 2026818 PMAQI
7th Aug 2026949 PMAQI
7th Aug 202610610 PMAQI
7th Aug 202611211 PMAQI
8th Aug 20269712 AMAQI
8th Aug 20261021 AMAQI
8th Aug 20261002 AMAQI
8th Aug 20261043 AMAQI
8th Aug 2026994 AMAQI

28°C18/38°C

8th Aug 20261005 AMAQI
8th Aug 2026956 AMAQI
8th Aug 2026927 AMAQI
8th Aug 2026968 AMAQI
8th Aug 2026979 AMAQI
8th Aug 202610210 AMAQI
8th Aug 20268911 AMAQI
8th Aug 20268412 PMAQI
8th Aug 2026821 PMAQI
8th Aug 2026722 PMAQI
8th Aug 2026673 PMAQI
8th Aug 2026624 PMAQI
8th Aug 2026575 PMAQI
8th Aug 2026586 PMAQI
8th Aug 2026567 PMAQI
8th Aug 2026628 PMAQI
8th Aug 2026659 PMAQI
8th Aug 20266910 PMAQI
8th Aug 20267311 PMAQI
9th Aug 20267612 AMAQI
9th Aug 2026731 AMAQI
9th Aug 2026702 AMAQI
9th Aug 2026713 AMAQI
9th Aug 2026704 AMAQI

27°C17/36°C

9th Aug 2026695 AMAQI
9th Aug 2026636 AMAQI
9th Aug 2026637 AMAQI
9th Aug 2026648 AMAQI
9th Aug 2026679 AMAQI
9th Aug 20266810 AMAQI
9th Aug 20266211 AMAQI
9th Aug 20265412 PMAQI
9th Aug 2026481 PMAQI
9th Aug 2026382 PMAQI
9th Aug 2026483 PMAQI
9th Aug 2026504 PMAQI
9th Aug 2026405 PMAQI
9th Aug 2026746 PMAQI
9th Aug 2026667 PMAQI
9th Aug 2026648 PMAQI
9th Aug 2026669 PMAQI
9th Aug 20267010 PMAQI
9th Aug 20268811 PMAQI
10th Aug 20268412 AMAQI
10th Aug 2026921 AMAQI
10th Aug 2026762 AMAQI
10th Aug 2026783 AMAQI
10th Aug 2026734 AMAQI

25°C16/34°C

10th Aug 2026645 AMAQI
10th Aug 2026696 AMAQI
10th Aug 2026657 AMAQI
10th Aug 2026738 AMAQI
10th Aug 2026509 AMAQI
10th Aug 20266210 AMAQI
10th Aug 20266611 AMAQI
10th Aug 20267612 PMAQI
10th Aug 2026671 PMAQI
10th Aug 2026582 PMAQI
10th Aug 2026553 PMAQI
10th Aug 2026504 PMAQI
10th Aug 2026565 PMAQI
10th Aug 2026446 PMAQI
10th Aug 2026607 PMAQI
10th Aug 2026648 PMAQI
10th Aug 2026689 PMAQI
10th Aug 20266210 PMAQI
10th Aug 20266311 PMAQI
11th Aug 20266412 AMAQI
11th Aug 2026661 AMAQI
11th Aug 2026602 AMAQI
11th Aug 2026723 AMAQI
11th Aug 2026724 AMAQI

25°C15/33°C

11th Aug 2026655 AMAQI
11th Aug 2026586 AMAQI
11th Aug 2026687 AMAQI
11th Aug 2026608 AMAQI
11th Aug 2026539 AMAQI
11th Aug 20266910 AMAQI
11th Aug 20266811 AMAQI
11th Aug 20266412 PMAQI
11th Aug 2026711 PMAQI
11th Aug 2026742 PMAQI
11th Aug 2026963 PMAQI
11th Aug 2026684 PMAQI
11th Aug 2026525 PMAQI
11th Aug 2026836 PMAQI
11th Aug 2026837 PMAQI
11th Aug 2026788 PMAQI
11th Aug 2026789 PMAQI
11th Aug 20269010 PMAQI
11th Aug 20269611 PMAQI
12th Aug 202611812 AMAQI
12th Aug 2026981 AMAQI
12th Aug 2026692 AMAQI
12th Aug 2026653 AMAQI
12th Aug 2026664 AMAQI

25°C15/33°C

12th Aug 2026705 AMAQI
12th Aug 2026596 AMAQI
12th Aug 2026627 AMAQI
12th Aug 2026718 AMAQI
12th Aug 2026469 AMAQI
12th Aug 20264810 AMAQI
12th Aug 20265411 AMAQI
12th Aug 20266212 PMAQI
12th Aug 2026661 PMAQI
12th Aug 2026682 PMAQI
12th Aug 2026623 PMAQI
12th Aug 2026554 PMAQI
12th Aug 2026515 PMAQI
12th Aug 2026856 PMAQI
12th Aug 2026837 PMAQI
12th Aug 2026828 PMAQI
12th Aug 2026809 PMAQI
12th Aug 20267010 PMAQI
12th Aug 20266811 PMAQI
13th Aug 20266612 AMAQI
13th Aug 2026691 AMAQI
13th Aug 2026642 AMAQI
13th Aug 2026783 AMAQI
13th Aug 2026704 AMAQI

24°C16/32°C

13th Aug 2026645 AMAQI
13th Aug 2026696 AMAQI
13th Aug 2026667 AMAQI
13th Aug 2026658 AMAQI
13th Aug 2026649 AMAQI
13th Aug 20265610 AMAQI
13th Aug 20266411 AMAQI
13th Aug 20267112 PMAQI
13th Aug 2026851 PMAQI
13th Aug 2026882 PMAQI
13th Aug 2026863 PMAQI
13th Aug 2026854 PMAQI
13th Aug 2026865 PMAQI
13th Aug 2026856 PMAQI
13th Aug 2026837 PMAQI
13th Aug 2026878 PMAQI
13th Aug 2026899 PMAQI
13th Aug 20268510 PMAQI
13th Aug 20268811 PMAQI
14th Aug 20268512 AMAQI
14th Aug 2026831 AMAQI
14th Aug 2026882 AMAQI
14th Aug 2026853 AMAQI
14th Aug 2026684 AMAQI

23°C15/31°C

14th Aug 2026685 AMAQI
5 AM
14th Aug 2026536 AMAQI
14th Aug 2026557 AMAQI
14th Aug 2026628 AMAQI
14th Aug 2026609 AMAQI
14th Aug 20267210 AMAQI
14th Aug 20266811 AMAQI
14th Aug 20266012 PMAQI
12 PM
14th Aug 2026561 PMAQI
14th Aug 2026532 PMAQI
14th Aug 2026563 PMAQI
14th Aug 2026584 PMAQI
14th Aug 2026585 PMAQI
14th Aug 2026626 PMAQI
14th Aug 2026647 PMAQI
14th Aug 2026698 PMAQI
8 PM
14th Aug 2026679 PMAQI
14th Aug 20266610 PMAQI
14th Aug 20267011 PMAQI
12 AM
4 AM

24°C17/32°C

Day time
Avg. Highest Time
6 PM - 8 PM

86AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
6 AM - 7 AM

74AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 PM to 8 PM (Avg. 86), while the lowest AQI was between 6 AM to 7 AM (Avg. 74).
Night time
Avg. Highest Time
10 PM - 11 PM

92AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
4 AM

79AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 11 PM (Avg. 92), while the lowest AQI was between 4 AM to 4 AM (Avg. 79).

2026 Days Vs Air Quality

Southwest Marshall Place, Pendleton, Oregon, United States

2026

85%

190

12%

27

2%

5

0.4%

1

Total number of days with different AQI categories in last 226 days in 2026 (139 days remaining)

Good
190 Days
Moderate
27 Days
Poor
5 Days
Unhealthy
1 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 85%

Health Risk Level:

Low

In 2026, 85% of 226 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

Southwest Marshall Place, Pendleton, 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
50AQI (US)
2nd January 2026
41AQI (US)
3rd January 2026
36AQI (US)
4th January 2026
25AQI (US)
5th January 2026
29AQI (US)
6th January 2026
33AQI (US)
7th January 2026
9AQI (US)
8th January 2026
10AQI (US)
9th January 2026
13AQI (US)
10th January 2026
64AQI (US)
11th January 2026
48AQI (US)
12th January 2026
41AQI (US)
13th January 2026
42AQI (US)
14th January 2026
37AQI (US)
15th January 2026
47AQI (US)
16th January 2026
23AQI (US)
17th January 2026
19AQI (US)
18th January 2026
28AQI (US)
19th January 2026
26AQI (US)
20th January 2026
31AQI (US)
21st January 2026
27AQI (US)
22nd January 2026
37AQI (US)
23rd January 2026
38AQI (US)
24th January 2026
34AQI (US)
25th January 2026
37AQI (US)
26th January 2026
37AQI (US)
27th January 2026
27AQI (US)
28th January 2026
31AQI (US)
29th January 2026
37AQI (US)
30th January 2026
49AQI (US)
31st January 2026
27AQI (US)
1st February 2026
42AQI (US)
2nd February 2026
47AQI (US)
3rd February 2026
42AQI (US)
4th February 2026
36AQI (US)
5th February 2026
40AQI (US)
6th February 2026
29AQI (US)
7th February 2026
28AQI (US)
8th February 2026
39AQI (US)
9th February 2026
44AQI (US)
10th February 2026
37AQI (US)
11th February 2026
32AQI (US)
12th February 2026
24AQI (US)
13th February 2026
23AQI (US)
14th February 2026
29AQI (US)
15th February 2026
29AQI (US)
16th February 2026
43AQI (US)
17th February 2026
39AQI (US)
18th February 2026
33AQI (US)
19th February 2026
32AQI (US)
20th February 2026
29AQI (US)
21st February 2026
28AQI (US)
22nd February 2026
34AQI (US)
23rd February 2026
31AQI (US)
24th February 2026
45AQI (US)
25th February 2026
38AQI (US)
26th February 2026
30AQI (US)
27th February 2026
33AQI (US)
28th February 2026
30AQI (US)
1st March 2026
32AQI (US)
2nd March 2026
45AQI (US)
3rd March 2026
29AQI (US)
4th March 2026
40AQI (US)
5th March 2026
37AQI (US)
6th March 2026
28AQI (US)
7th March 2026
37AQI (US)
8th March 2026
52AQI (US)
9th March 2026
30AQI (US)
10th March 2026
32AQI (US)
11th March 2026
39AQI (US)
12th March 2026
48AQI (US)
13th March 2026
41AQI (US)
14th March 2026
34AQI (US)
15th March 2026
28AQI (US)
16th March 2026
21AQI (US)
17th March 2026
27AQI (US)
18th March 2026
32AQI (US)
19th March 2026
26AQI (US)
20th March 2026
39AQI (US)
21st March 2026
35AQI (US)
22nd March 2026
31AQI (US)
23rd March 2026
29AQI (US)
24th March 2026
26AQI (US)
25th March 2026
30AQI (US)
26th March 2026
19AQI (US)
27th March 2026
16AQI (US)
28th March 2026
21AQI (US)
29th March 2026
12AQI (US)
30th March 2026
32AQI (US)
31st March 2026
20AQI (US)
1st April 2026
23AQI (US)
2nd April 2026
25AQI (US)
3rd April 2026
24AQI (US)
4th April 2026
29AQI (US)
5th April 2026
22AQI (US)
6th April 2026
24AQI (US)
7th April 2026
25AQI (US)
8th April 2026
26AQI (US)
9th April 2026
27AQI (US)
10th April 2026
30AQI (US)
11th April 2026
29AQI (US)
12th April 2026
24AQI (US)
13th April 2026
41AQI (US)
14th April 2026
29AQI (US)
15th April 2026
32AQI (US)
16th April 2026
28AQI (US)
17th April 2026
18th April 2026
19AQI (US)
19th April 2026
18AQI (US)
20th April 2026
28AQI (US)
21st April 2026
41AQI (US)
22nd April 2026
23rd April 2026
21AQI (US)
24th April 2026
24AQI (US)
25th April 2026
22AQI (US)
26th April 2026
28AQI (US)
27th April 2026
17AQI (US)
28th April 2026
26AQI (US)
29th April 2026
19AQI (US)
30th April 2026
25AQI (US)
1st May 2026
24AQI (US)
2nd May 2026
23AQI (US)
3rd May 2026
24AQI (US)
4th May 2026
33AQI (US)
5th May 2026
33AQI (US)
6th May 2026
53AQI (US)
7th May 2026
22AQI (US)
8th May 2026
44AQI (US)
9th May 2026
10th May 2026
26AQI (US)
11th May 2026
25AQI (US)
12th May 2026
29AQI (US)
13th May 2026
62AQI (US)
14th May 2026
23AQI (US)
15th May 2026
42AQI (US)
16th May 2026
48AQI (US)
17th May 2026
55AQI (US)
18th May 2026
48AQI (US)
19th May 2026
45AQI (US)
20th May 2026
46AQI (US)
21st May 2026
38AQI (US)
22nd May 2026
39AQI (US)
23rd May 2026
46AQI (US)
24th May 2026
42AQI (US)
25th May 2026
45AQI (US)
26th May 2026
19AQI (US)
27th May 2026
16AQI (US)
28th May 2026
26AQI (US)
29th May 2026
34AQI (US)
30th May 2026
16AQI (US)
31st May 2026
20AQI (US)
1st June 2026
21AQI (US)
2nd June 2026
14AQI (US)
3rd June 2026
24AQI (US)
4th June 2026
16AQI (US)
5th June 2026
28AQI (US)
6th June 2026
17AQI (US)
7th June 2026
21AQI (US)
8th June 2026
22AQI (US)
9th June 2026
42AQI (US)
10th June 2026
26AQI (US)
11th June 2026
20AQI (US)
12th June 2026
24AQI (US)
13th June 2026
14AQI (US)
14th June 2026
18AQI (US)
15th June 2026
26AQI (US)
16th June 2026
52AQI (US)
17th June 2026
26AQI (US)
18th June 2026
21AQI (US)
19th June 2026
30AQI (US)
20th June 2026
34AQI (US)
21st June 2026
17AQI (US)
22nd June 2026
25AQI (US)
23rd June 2026
37AQI (US)
24th June 2026
27AQI (US)
25th June 2026
34AQI (US)
26th June 2026
37AQI (US)
27th June 2026
24AQI (US)
28th June 2026
31AQI (US)
29th June 2026
29AQI (US)
30th June 2026
16AQI (US)
1st July 2026
15AQI (US)
2nd July 2026
15AQI (US)
3rd July 2026
21AQI (US)
4th July 2026
22AQI (US)
5th July 2026
20AQI (US)
6th July 2026
28AQI (US)
7th July 2026
22AQI (US)
8th July 2026
20AQI (US)
9th July 2026
18AQI (US)
10th July 2026
23AQI (US)
11th July 2026
37AQI (US)
12th July 2026
24AQI (US)
13th July 2026
21AQI (US)
14th July 2026
34AQI (US)
15th July 2026
34AQI (US)
16th July 2026
40AQI (US)
17th July 2026
90AQI (US)
18th July 2026
53AQI (US)
19th July 2026
47AQI (US)
20th July 2026
91AQI (US)
21st July 2026
114AQI (US)
22nd July 2026
117AQI (US)
23rd July 2026
97AQI (US)
24th July 2026
64AQI (US)
25th July 2026
66AQI (US)
26th July 2026
65AQI (US)
27th July 2026
75AQI (US)
28th July 2026
79AQI (US)
29th July 2026
56AQI (US)
30th July 2026
75AQI (US)
31st July 2026
69AQI (US)
1st August 2026
72AQI (US)
2nd August 2026
50AQI (US)
3rd August 2026
95AQI (US)
4th August 2026
146AQI (US)
5th August 2026
154AQI (US)
6th August 2026
150AQI (US)
7th August 2026
124AQI (US)
8th August 2026
82AQI (US)
9th August 2026
63AQI (US)
10th August 2026
66AQI (US)
11th August 2026
71AQI (US)
12th August 2026
69AQI (US)
13th August 2026
76AQI (US)
14th August 2026
66AQI (US)
15th August 2026
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

33AQI (US)

35AQI (US)

31AQI (US)

26AQI (US)

35AQI (US)

26AQI (US)

50AQI (US)

92AQI (US)

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202637AQI (US)

30
1
28
30
1
28
27
3
29
1
17
12
2
1
9
3
1
190
27
5
1

Highest AQI (US) recorded in

August

92AQI (US)

Lowest AQI (US) recorded in

June

26AQI (US)

202529AQI (US)

6
30
31
30
31
23
8
15
15
31
25
5
23
8
245
36

Highest AQI (US) recorded in

September

47AQI (US)

Lowest AQI (US) recorded in

May

15AQI (US)

Most & Least Polluted Years Over the Last 2 Years

Most Polluted Year Recorded
2026(Avg.)
37AQI (US)
Least Polluted Year Recorded
2025(Avg.)
29AQI (US)

Southwest Marshall Place's annual 2026 AQI (US) (37) shows an average percentage change of 27.5% (worsened AQI (US)) compared to previous years: 2025 (29).