Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

St Maries, Coeur Dalene, Idaho, 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

St Maries, Coeur Dalene, Idaho, United States

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
20th Aug 2023
153AQI
Lowest AQI recorded on
24th Aug 2024
12AQI

Same Day Analysis (17th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 48 of Good air quality, showing improvement over 2023 on the same day.

Day & Night AQI Trend: 17th Aug - 18th Aug 2026

St Maries, Coeur Dalene, Idaho, United States

AQI
Day
Night
.

5 AM17th Aug 2026

8 PM

4 AM18th Aug 2026

Day time
Avg. Highest Time
9AM17th Aug

54AQI

Avg. Lowest Time
5AM17th Aug

42AQI

Night time
Avg. Highest Time
3AM18th Aug

51AQI

Avg. Lowest Time
11PM17th Aug

40AQI

In the last 24 hours,

St Maries's AQI reached its highest point of 54 at 9 AM during the Day, while the lowest point, 40, was recorded at 11 PM during the Night between 17th Aug and 18th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

St Maries, Coeur Dalene, Idaho, United States

JulAug
20th - 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 - 17th17th - 18th18th
Day
Night
20th Jul 2026545 AMAQI
20th Jul 2026536 AMAQI
20th Jul 2026517 AMAQI
20th Jul 2026568 AMAQI
20th Jul 2026569 AMAQI
20th Jul 20265910 AMAQI
20th Jul 20267311 AMAQI
20th Jul 20267012 PMAQI
20th Jul 2026701 PMAQI
20th Jul 2026652 PMAQI
20th Jul 2026563 PMAQI
20th Jul 2026514 PMAQI
20th Jul 2026515 PMAQI
20th Jul 2026576 PMAQI
20th Jul 2026607 PMAQI
20th Jul 2026589 PMAQI
20th Jul 20265810 PMAQI
20th Jul 20265711 PMAQI
21st Jul 20265412 AMAQI
21st Jul 2026511 AMAQI
21st Jul 2026442 AMAQI
21st Jul 2026483 AMAQI
21st Jul 2026584 AMAQI

25°C16/33°C

21st Jul 2026555 AMAQI
21st Jul 2026566 AMAQI
21st Jul 2026597 AMAQI
21st Jul 2026588 AMAQI
21st Jul 2026509 AMAQI
21st Jul 20264810 AMAQI
21st Jul 20264811 AMAQI
21st Jul 20264212 PMAQI
21st Jul 2026441 PMAQI
21st Jul 2026442 PMAQI
21st Jul 2026443 PMAQI
21st Jul 2026464 PMAQI
21st Jul 2026425 PMAQI
21st Jul 2026566 PMAQI
21st Jul 2026587 PMAQI
21st Jul 2026608 PMAQI
21st Jul 2026649 PMAQI
21st Jul 20267110 PMAQI
21st Jul 20267311 PMAQI
22nd Jul 20267112 AMAQI
22nd Jul 2026751 AMAQI
22nd Jul 2026722 AMAQI
22nd Jul 2026743 AMAQI
22nd Jul 2026674 AMAQI

27°C19/35°C

22nd Jul 2026705 AMAQI
22nd Jul 2026696 AMAQI
22nd Jul 2026717 AMAQI
22nd Jul 2026698 AMAQI
22nd Jul 2026699 AMAQI
22nd Jul 20267210 AMAQI
22nd Jul 20266611 AMAQI
22nd Jul 20266412 PMAQI
22nd Jul 2026641 PMAQI
22nd Jul 2026662 PMAQI
22nd Jul 2026623 PMAQI
22nd Jul 2026624 PMAQI
22nd Jul 2026685 PMAQI
22nd Jul 2026636 PMAQI
22nd Jul 2026627 PMAQI
22nd Jul 2026578 PMAQI
22nd Jul 2026609 PMAQI
22nd Jul 20266910 PMAQI
22nd Jul 20266711 PMAQI
23rd Jul 20266812 AMAQI
23rd Jul 2026651 AMAQI
23rd Jul 2026672 AMAQI
23rd Jul 2026703 AMAQI
23rd Jul 2026674 AMAQI

28°C18/36°C

23rd Jul 2026665 AMAQI
23rd Jul 2026686 AMAQI
23rd Jul 2026677 AMAQI
23rd Jul 2026688 AMAQI
23rd Jul 2026689 AMAQI
23rd Jul 20267010 AMAQI
23rd Jul 20267611 AMAQI
23rd Jul 20267312 PMAQI
23rd Jul 2026701 PMAQI
23rd Jul 2026902 PMAQI
23rd Jul 2026853 PMAQI
23rd Jul 2026824 PMAQI
23rd Jul 2026855 PMAQI
23rd Jul 2026836 PMAQI
23rd Jul 2026837 PMAQI
23rd Jul 2026928 PMAQI
23rd Jul 2026979 PMAQI
23rd Jul 20269610 PMAQI
23rd Jul 20269811 PMAQI
24th Jul 202610312 AMAQI
24th Jul 2026981 AMAQI
24th Jul 20261002 AMAQI
24th Jul 20261063 AMAQI
24th Jul 2026984 AMAQI

29°C20/36°C

24th Jul 2026975 AMAQI
24th Jul 20261006 AMAQI
24th Jul 2026997 AMAQI
24th Jul 2026978 AMAQI
24th Jul 2026979 AMAQI
24th Jul 20269810 AMAQI
24th Jul 20269411 AMAQI
24th Jul 20267612 PMAQI
24th Jul 2026671 PMAQI
24th Jul 2026642 PMAQI
24th Jul 2026683 PMAQI
24th Jul 2026724 PMAQI
24th Jul 2026595 PMAQI
24th Jul 2026546 PMAQI
24th Jul 2026467 PMAQI
24th Jul 2026408 PMAQI
24th Jul 2026449 PMAQI
24th Jul 20265510 PMAQI
24th Jul 20264211 PMAQI
25th Jul 20264212 AMAQI
25th Jul 2026481 AMAQI
25th Jul 2026512 AMAQI
25th Jul 2026513 AMAQI
25th Jul 2026404 AMAQI

28°C20/34°C

25th Jul 2026525 AMAQI
25th Jul 2026536 AMAQI
25th Jul 2026527 AMAQI
25th Jul 2026468 AMAQI
25th Jul 2026469 AMAQI
25th Jul 20264610 AMAQI
25th Jul 20265211 AMAQI
25th Jul 20264612 PMAQI
25th Jul 2026421 PMAQI
25th Jul 2026342 PMAQI
25th Jul 2026363 PMAQI
25th Jul 2026424 PMAQI
25th Jul 2026465 PMAQI
25th Jul 2026606 PMAQI
25th Jul 2026667 PMAQI
25th Jul 2026848 PMAQI
25th Jul 2026859 PMAQI
25th Jul 20268810 PMAQI
25th Jul 20268511 PMAQI
26th Jul 20267812 AMAQI
26th Jul 2026701 AMAQI
26th Jul 2026542 AMAQI
26th Jul 2026533 AMAQI
26th Jul 2026554 AMAQI

26°C18/32°C

26th Jul 2026555 AMAQI
26th Jul 2026536 AMAQI
26th Jul 2026517 AMAQI
26th Jul 2026488 AMAQI
26th Jul 2026469 AMAQI
26th Jul 20264810 AMAQI
26th Jul 20264211 AMAQI
26th Jul 20265912 PMAQI
26th Jul 2026491 PMAQI
26th Jul 2026582 PMAQI
26th Jul 2026763 PMAQI
26th Jul 2026824 PMAQI
26th Jul 2026845 PMAQI
26th Jul 2026786 PMAQI
26th Jul 2026717 PMAQI
26th Jul 2026648 PMAQI
26th Jul 2026689 PMAQI
26th Jul 20267810 PMAQI
26th Jul 20267911 PMAQI
27th Jul 20268112 AMAQI
27th Jul 2026831 AMAQI
27th Jul 2026762 AMAQI
27th Jul 2026763 AMAQI
27th Jul 2026764 AMAQI

23°C15/30°C

27th Jul 2026745 AMAQI
27th Jul 2026826 AMAQI
27th Jul 2026807 AMAQI
27th Jul 2026818 AMAQI
27th Jul 2026839 AMAQI
27th Jul 20267810 AMAQI
27th Jul 20268011 AMAQI
27th Jul 20267312 PMAQI
27th Jul 2026671 PMAQI
27th Jul 2026662 PMAQI
27th Jul 2026713 PMAQI
27th Jul 2026624 PMAQI
27th Jul 2026695 PMAQI
27th Jul 2026656 PMAQI
27th Jul 2026677 PMAQI
27th Jul 2026728 PMAQI
27th Jul 2026699 PMAQI
27th Jul 20267510 PMAQI
27th Jul 20267611 PMAQI
28th Jul 20268012 AMAQI
28th Jul 2026761 AMAQI
28th Jul 2026762 AMAQI
28th Jul 2026753 AMAQI
28th Jul 2026814 AMAQI

23°C15/31°C

28th Jul 2026835 AMAQI
28th Jul 2026786 AMAQI
28th Jul 2026797 AMAQI
28th Jul 2026848 AMAQI
28th Jul 2026769 AMAQI
28th Jul 20267610 AMAQI
28th Jul 20267611 AMAQI
28th Jul 20267612 PMAQI
28th Jul 2026711 PMAQI
28th Jul 2026602 PMAQI
28th Jul 2026623 PMAQI
28th Jul 2026564 PMAQI
28th Jul 2026645 PMAQI
28th Jul 2026726 PMAQI
28th Jul 2026767 PMAQI
28th Jul 2026768 PMAQI
28th Jul 2026769 PMAQI
28th Jul 20267810 PMAQI
28th Jul 20267611 PMAQI
29th Jul 20268012 AMAQI
29th Jul 2026801 AMAQI
29th Jul 2026832 AMAQI
29th Jul 2026833 AMAQI
29th Jul 2026804 AMAQI

24°C15/30°C

29th Jul 2026785 AMAQI
29th Jul 2026816 AMAQI
29th Jul 2026827 AMAQI
29th Jul 2026828 AMAQI
29th Jul 2026789 AMAQI
29th Jul 20267510 AMAQI
29th Jul 20267411 AMAQI
29th Jul 20267612 PMAQI
29th Jul 2026601 PMAQI
29th Jul 2026532 PMAQI
29th Jul 2026593 PMAQI
29th Jul 2026654 PMAQI
29th Jul 2026645 PMAQI
29th Jul 2026706 PMAQI
29th Jul 2026747 PMAQI
29th Jul 2026748 PMAQI
29th Jul 2026719 PMAQI
29th Jul 20268410 PMAQI
29th Jul 20268211 PMAQI
30th Jul 20268512 AMAQI
30th Jul 2026841 AMAQI
30th Jul 2026792 AMAQI
30th Jul 2026843 AMAQI
30th Jul 2026824 AMAQI

23°C15/30°C

30th Jul 2026815 AMAQI
30th Jul 2026756 AMAQI
30th Jul 2026767 AMAQI
30th Jul 2026788 AMAQI
30th Jul 2026809 AMAQI
30th Jul 20267910 AMAQI
30th Jul 20267911 AMAQI
30th Jul 20267212 PMAQI
30th Jul 2026631 PMAQI
30th Jul 2026542 PMAQI
30th Jul 2026523 PMAQI
30th Jul 2026514 PMAQI
30th Jul 2026525 PMAQI
30th Jul 2026726 PMAQI
30th Jul 2026757 PMAQI
30th Jul 2026788 PMAQI
30th Jul 2026799 PMAQI
30th Jul 20268810 PMAQI
30th Jul 20268611 PMAQI
31st Jul 20268612 AMAQI
31st Jul 2026871 AMAQI
31st Jul 2026812 AMAQI
31st Jul 2026783 AMAQI
31st Jul 2026844 AMAQI

24°C15/31°C

31st Jul 2026825 AMAQI
31st Jul 2026816 AMAQI
31st Jul 2026817 AMAQI
31st Jul 2026808 AMAQI
31st Jul 2026739 AMAQI
31st Jul 20268010 AMAQI
31st Jul 20267811 AMAQI
31st Jul 20267912 PMAQI
31st Jul 2026731 PMAQI
31st Jul 2026642 PMAQI
31st Jul 2026533 PMAQI
31st Jul 2026464 PMAQI
31st Jul 2026465 PMAQI
31st Jul 2026566 PMAQI
31st Jul 2026577 PMAQI
31st Jul 2026598 PMAQI
31st Jul 2026729 PMAQI
31st Jul 20268210 PMAQI
31st Jul 20267311 PMAQI
1st Aug 20267212 AMAQI
1st Aug 2026681 AMAQI
1st Aug 2026692 AMAQI
1st Aug 2026703 AMAQI
1st Aug 2026664 AMAQI

26°C15/35°C

1st Aug 2026675 AMAQI
1st Aug 2026696 AMAQI
1st Aug 2026697 AMAQI
1st Aug 2026678 AMAQI
1st Aug 2026689 AMAQI
1st Aug 20266510 AMAQI
1st Aug 20266411 AMAQI
1st Aug 20266312 PMAQI
1st Aug 2026481 PMAQI
1st Aug 2026442 PMAQI
1st Aug 2026463 PMAQI
1st Aug 2026504 PMAQI
1st Aug 2026575 PMAQI
1st Aug 2026576 PMAQI
1st Aug 2026607 PMAQI
1st Aug 2026558 PMAQI
1st Aug 2026589 PMAQI
1st Aug 20268110 PMAQI
1st Aug 20267011 PMAQI
2nd Aug 20265112 AMAQI
2nd Aug 2026831 AMAQI
2nd Aug 20261222 AMAQI
2nd Aug 20261343 AMAQI
2nd Aug 2026664 AMAQI

25°C18/31°C

2nd Aug 2026665 AMAQI
2nd Aug 2026666 AMAQI
2nd Aug 2026587 AMAQI
2nd Aug 2026588 AMAQI
2nd Aug 2026559 AMAQI
2nd Aug 20266210 AMAQI
2nd Aug 20266311 AMAQI
2nd Aug 20265412 PMAQI
2nd Aug 2026671 PMAQI
2nd Aug 2026922 PMAQI
2nd Aug 20261023 PMAQI
2nd Aug 20261224 PMAQI
2nd Aug 20261205 PMAQI
2nd Aug 20261196 PMAQI
2nd Aug 20261027 PMAQI
2nd Aug 20261108 PMAQI
2nd Aug 20261089 PMAQI
2nd Aug 202613010 PMAQI
2nd Aug 202613211 PMAQI
3rd Aug 202614412 AMAQI
3rd Aug 20261461 AMAQI
3rd Aug 20261402 AMAQI
3rd Aug 20261483 AMAQI
3rd Aug 20261424 AMAQI

18°C11/25°C

3rd Aug 20261455 AMAQI
3rd Aug 20261326 AMAQI
3rd Aug 20261367 AMAQI
3rd Aug 20261508 AMAQI
3rd Aug 20261489 AMAQI
3rd Aug 202614810 AMAQI
3rd Aug 202614511 AMAQI
3rd Aug 202614412 PMAQI
3rd Aug 20261291 PMAQI
3rd Aug 2026982 PMAQI
3rd Aug 2026833 PMAQI
3rd Aug 2026824 PMAQI
3rd Aug 2026805 PMAQI
3rd Aug 2026826 PMAQI
3rd Aug 2026907 PMAQI
3rd Aug 20261028 PMAQI
3rd Aug 20261059 PMAQI
3rd Aug 202612810 PMAQI
3rd Aug 202612811 PMAQI
4th Aug 202613612 AMAQI
4th Aug 20261321 AMAQI
4th Aug 20261122 AMAQI
4th Aug 20261123 AMAQI
4th Aug 20261164 AMAQI

19°C10/27°C

4th Aug 20261255 AMAQI
4th Aug 20261286 AMAQI
4th Aug 20261417 AMAQI
4th Aug 20261428 AMAQI
4th Aug 20261429 AMAQI
4th Aug 202612410 AMAQI
4th Aug 202611011 AMAQI
4th Aug 20268812 PMAQI
4th Aug 2026951 PMAQI
4th Aug 2026902 PMAQI
4th Aug 2026793 PMAQI
4th Aug 2026804 PMAQI
4th Aug 2026715 PMAQI
4th Aug 2026716 PMAQI
4th Aug 2026727 PMAQI
4th Aug 2026748 PMAQI
4th Aug 2026739 PMAQI
4th Aug 20268010 PMAQI
4th Aug 20268011 PMAQI
5th Aug 20267412 AMAQI
5th Aug 2026791 AMAQI
5th Aug 2026732 AMAQI
5th Aug 2026813 AMAQI
5th Aug 2026884 AMAQI

21°C11/29°C

5th Aug 20261045 AMAQI
5th Aug 20261036 AMAQI
5th Aug 2026887 AMAQI
5th Aug 2026738 AMAQI
5th Aug 2026769 AMAQI
5th Aug 20268710 AMAQI
5th Aug 202610011 AMAQI
5th Aug 20269712 PMAQI
5th Aug 20261041 PMAQI
5th Aug 20261102 PMAQI
5th Aug 2026983 PMAQI
5th Aug 2026924 PMAQI
5th Aug 2026895 PMAQI
5th Aug 2026966 PMAQI
5th Aug 2026977 PMAQI
5th Aug 20261108 PMAQI
5th Aug 20261129 PMAQI
5th Aug 202611810 PMAQI
5th Aug 202612811 PMAQI
6th Aug 202612612 AMAQI
6th Aug 20261191 AMAQI
6th Aug 20261112 AMAQI
6th Aug 20261033 AMAQI
6th Aug 20261004 AMAQI

23°C12/32°C

6th Aug 20261065 AMAQI
6th Aug 20261006 AMAQI
6th Aug 20261047 AMAQI
6th Aug 2026988 AMAQI
6th Aug 20261029 AMAQI
6th Aug 20269910 AMAQI
6th Aug 20269511 AMAQI
6th Aug 20269212 PMAQI
6th Aug 2026921 PMAQI
6th Aug 2026922 PMAQI
6th Aug 20261033 PMAQI
6th Aug 20261024 PMAQI
6th Aug 20261145 PMAQI
6th Aug 20261186 PMAQI
6th Aug 20261217 PMAQI
6th Aug 20261328 PMAQI
6th Aug 20261309 PMAQI
6th Aug 202614010 PMAQI
6th Aug 202613611 PMAQI
7th Aug 202613812 AMAQI
7th Aug 20261351 AMAQI
7th Aug 20261352 AMAQI
7th Aug 20261253 AMAQI
7th Aug 20261324 AMAQI

25°C14/34°C

7th Aug 20261365 AMAQI
7th Aug 20261226 AMAQI
7th Aug 20261327 AMAQI
7th Aug 20261268 AMAQI
7th Aug 20261289 AMAQI
7th Aug 202612410 AMAQI
7th Aug 202612011 AMAQI
7th Aug 202611212 PMAQI
7th Aug 20261201 PMAQI
7th Aug 20261182 PMAQI
7th Aug 20261253 PMAQI
7th Aug 20261084 PMAQI
7th Aug 20261125 PMAQI
7th Aug 20261106 PMAQI
7th Aug 2026807 PMAQI
7th Aug 2026708 PMAQI
7th Aug 2026789 PMAQI
7th Aug 20269510 PMAQI
7th Aug 20269011 PMAQI
8th Aug 20269412 AMAQI
8th Aug 2026951 AMAQI
8th Aug 2026962 AMAQI
8th Aug 2026943 AMAQI
8th Aug 2026924 AMAQI

27°C17/35°C

8th Aug 2026825 AMAQI
8th Aug 20261046 AMAQI
8th Aug 2026987 AMAQI
8th Aug 2026958 AMAQI
8th Aug 20261069 AMAQI
8th Aug 20269410 AMAQI
8th Aug 20269511 AMAQI
8th Aug 20269212 PMAQI
8th Aug 2026951 PMAQI
8th Aug 20261112 PMAQI
8th Aug 20261023 PMAQI
8th Aug 2026824 PMAQI
8th Aug 2026955 PMAQI
8th Aug 20261106 PMAQI
8th Aug 20261267 PMAQI
8th Aug 20261548 PMAQI
8th Aug 20261629 PMAQI
8th Aug 202617010 PMAQI
8th Aug 202616711 PMAQI
9th Aug 202617212 AMAQI
9th Aug 20261721 AMAQI
9th Aug 20261662 AMAQI
9th Aug 20261623 AMAQI
9th Aug 20261624 AMAQI

26°C17/33°C

9th Aug 20261625 AMAQI
9th Aug 20261626 AMAQI
9th Aug 20261647 AMAQI
9th Aug 20261608 AMAQI
9th Aug 20261599 AMAQI
9th Aug 202616010 AMAQI
9th Aug 202615411 AMAQI
9th Aug 202615212 PMAQI
9th Aug 20261451 PMAQI
9th Aug 20261522 PMAQI
9th Aug 20261383 PMAQI
9th Aug 20261444 PMAQI
9th Aug 20261295 PMAQI
9th Aug 20261146 PMAQI
9th Aug 2026927 PMAQI
9th Aug 2026808 PMAQI
9th Aug 2026889 PMAQI
9th Aug 20268610 PMAQI
9th Aug 20268111 PMAQI
10th Aug 20268012 AMAQI
10th Aug 2026801 AMAQI
10th Aug 2026792 AMAQI
10th Aug 2026823 AMAQI
10th Aug 2026794 AMAQI

24°C15/32°C

10th Aug 2026785 AMAQI
10th Aug 2026766 AMAQI
10th Aug 2026787 AMAQI
10th Aug 2026768 AMAQI
10th Aug 2026809 AMAQI
10th Aug 20267410 AMAQI
10th Aug 20267211 AMAQI
10th Aug 20267112 PMAQI
10th Aug 2026561 PMAQI
10th Aug 2026532 PMAQI
10th Aug 2026533 PMAQI
10th Aug 2026544 PMAQI
10th Aug 2026575 PMAQI
10th Aug 2026656 PMAQI
10th Aug 2026647 PMAQI
10th Aug 2026648 PMAQI
10th Aug 2026629 PMAQI
10th Aug 20267110 PMAQI
10th Aug 20267611 PMAQI
11th Aug 20267512 AMAQI
11th Aug 2026761 AMAQI
11th Aug 2026742 AMAQI
11th Aug 2026783 AMAQI
11th Aug 2026784 AMAQI

23°C15/31°C

11th Aug 2026755 AMAQI
11th Aug 2026736 AMAQI
11th Aug 2026807 AMAQI
11th Aug 2026768 AMAQI
11th Aug 2026709 AMAQI
11th Aug 20267210 AMAQI
11th Aug 20266811 AMAQI
11th Aug 20266512 PMAQI
11th Aug 2026651 PMAQI
11th Aug 2026602 PMAQI
11th Aug 2026553 PMAQI
11th Aug 2026564 PMAQI
11th Aug 2026595 PMAQI
11th Aug 2026726 PMAQI
11th Aug 2026697 PMAQI
11th Aug 2026648 PMAQI
11th Aug 2026589 PMAQI
11th Aug 20265010 PMAQI
11th Aug 20265511 PMAQI
12th Aug 20265412 AMAQI
12th Aug 2026541 AMAQI
12th Aug 2026462 AMAQI
12th Aug 2026543 AMAQI
12th Aug 2026524 AMAQI

24°C15/30°C

12th Aug 2026535 AMAQI
12th Aug 2026526 AMAQI
12th Aug 2026527 AMAQI
12th Aug 2026528 AMAQI
12th Aug 2026539 AMAQI
12th Aug 20265310 AMAQI
12th Aug 20265211 AMAQI
12th Aug 20265212 PMAQI
12th Aug 2026561 PMAQI
12th Aug 2026622 PMAQI
12th Aug 2026663 PMAQI
12th Aug 2026594 PMAQI
12th Aug 2026605 PMAQI
12th Aug 2026626 PMAQI
12th Aug 2026787 PMAQI
12th Aug 2026888 PMAQI
12th Aug 2026979 PMAQI
12th Aug 202611210 PMAQI
12th Aug 202610811 PMAQI
13th Aug 202612012 AMAQI
13th Aug 20261181 AMAQI
13th Aug 20261082 AMAQI
13th Aug 2026823 AMAQI
13th Aug 2026694 AMAQI

23°C15/30°C

13th Aug 2026625 AMAQI
13th Aug 2026606 AMAQI
13th Aug 2026677 AMAQI
13th Aug 2026648 AMAQI
13th Aug 2026709 AMAQI
13th Aug 20267610 AMAQI
13th Aug 20267911 AMAQI
13th Aug 20266912 PMAQI
13th Aug 2026641 PMAQI
13th Aug 2026582 PMAQI
13th Aug 2026603 PMAQI
13th Aug 2026674 PMAQI
13th Aug 2026645 PMAQI
13th Aug 2026666 PMAQI
13th Aug 2026687 PMAQI
13th Aug 2026628 PMAQI
13th Aug 2026569 PMAQI
13th Aug 20264910 PMAQI
13th Aug 20264611 PMAQI
14th Aug 20265512 AMAQI
14th Aug 2026551 AMAQI
14th Aug 2026502 AMAQI
14th Aug 2026483 AMAQI
14th Aug 2026444 AMAQI

23°C15/29°C

14th Aug 2026405 AMAQI
14th Aug 2026516 AMAQI
14th Aug 2026467 AMAQI
14th Aug 2026508 AMAQI
14th Aug 2026529 AMAQI
14th Aug 20265310 AMAQI
14th Aug 20264811 AMAQI
14th Aug 20264612 PMAQI
14th Aug 2026521 PMAQI
14th Aug 2026562 PMAQI
14th Aug 2026513 PMAQI
14th Aug 2026424 PMAQI
14th Aug 2026445 PMAQI
14th Aug 2026406 PMAQI
14th Aug 2026557 PMAQI
14th Aug 2026598 PMAQI
14th Aug 2026629 PMAQI
14th Aug 20266210 PMAQI
14th Aug 20266411 PMAQI
15th Aug 20266012 AMAQI
15th Aug 2026571 AMAQI
15th Aug 2026552 AMAQI
15th Aug 2026573 AMAQI
15th Aug 2026544 AMAQI

22°C14/29°C

15th Aug 2026575 AMAQI
15th Aug 2026506 AMAQI
15th Aug 2026587 AMAQI
15th Aug 2026578 AMAQI
15th Aug 2026539 AMAQI
15th Aug 20265110 AMAQI
15th Aug 20265111 AMAQI
15th Aug 20264812 PMAQI
15th Aug 2026501 PMAQI
15th Aug 2026512 PMAQI
15th Aug 2026553 PMAQI
15th Aug 2026524 PMAQI
15th Aug 2026525 PMAQI
15th Aug 2026566 PMAQI
15th Aug 2026567 PMAQI
15th Aug 2026518 PMAQI
15th Aug 2026569 PMAQI
15th Aug 20266210 PMAQI
15th Aug 20266211 PMAQI
16th Aug 20265912 AMAQI
16th Aug 2026581 AMAQI
16th Aug 2026602 AMAQI
16th Aug 2026573 AMAQI
16th Aug 2026574 AMAQI

21°C13/30°C

16th Aug 2026605 AMAQI
16th Aug 2026606 AMAQI
16th Aug 2026587 AMAQI
16th Aug 2026638 AMAQI
16th Aug 2026569 AMAQI
16th Aug 20265710 AMAQI
16th Aug 20265711 AMAQI
16th Aug 20265512 PMAQI
16th Aug 2026491 PMAQI
16th Aug 2026462 PMAQI
16th Aug 2026483 PMAQI
16th Aug 2026464 PMAQI
16th Aug 2026445 PMAQI
16th Aug 2026506 PMAQI
16th Aug 2026427 PMAQI
16th Aug 2026468 PMAQI
16th Aug 2026489 PMAQI
16th Aug 20264410 PMAQI
16th Aug 20264411 PMAQI
17th Aug 20264812 AMAQI
17th Aug 2026461 AMAQI
17th Aug 2026422 AMAQI
17th Aug 2026423 AMAQI
17th Aug 2026464 AMAQI

22°C11/32°C

17th Aug 2026425 AMAQI
17th Aug 2026496 AMAQI
17th Aug 2026507 AMAQI
17th Aug 2026528 AMAQI
17th Aug 2026549 AMAQI
17th Aug 20264410 AMAQI
17th Aug 20265311 AMAQI
17th Aug 20265212 PMAQI
17th Aug 2026531 PMAQI
17th Aug 2026542 PMAQI
17th Aug 2026503 PMAQI
17th Aug 2026504 PMAQI
17th Aug 2026485 PMAQI
17th Aug 2026486 PMAQI
17th Aug 2026487 PMAQI
17th Aug 2026498 PMAQI
17th Aug 2026449 PMAQI
17th Aug 20264410 PMAQI
17th Aug 20264011 PMAQI
18th Aug 20264412 AMAQI
18th Aug 2026481 AMAQI
18th Aug 2026442 AMAQI
18th Aug 2026513 AMAQI
18th Aug 2026504 AMAQI

26°C17/33°C

18th Aug 2026535 AMAQI
5 AM
18th Aug 2026536 AMAQI
18th Aug 2026517 AMAQI
18th Aug 2026498 AMAQI
18th Aug 2026529 AMAQI
18th Aug 20265310 AMAQI
18th Aug 20265211 AMAQI
18th Aug 20265212 PMAQI
12 PM
18th Aug 2026571 PMAQI
18th Aug 2026552 PMAQI
18th Aug 2026603 PMAQI
18th Aug 2026594 PMAQI
18th Aug 2026605 PMAQI
18th Aug 2026466 PMAQI
18th Aug 2026587 PMAQI
18th Aug 2026608 PMAQI
8 PM
18th Aug 2026559 PMAQI
18th Aug 20265310 PMAQI
18th Aug 20265711 PMAQI
12 AM
4 AM

25°C19/32°C

Day time
Avg. Highest Time
5 AM - 11 AM

78AQI

7 hours / Day
210 hours / Month
Avg. Lowest Time
1 PM - 7 PM

71AQI

7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 11 AM (Avg. 78), while the lowest AQI was between 1 PM to 7 PM (Avg. 71).
Night time
Avg. Highest Time
12 AM - 3 AM

82AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
4 AM - 9 PM

78AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 82), while the lowest AQI was between 4 AM to 9 PM (Avg. 78).

2026 Days Vs Air Quality

St Maries, Coeur Dalene, Idaho, United States

2026

85%

192

12%

28

3%

6

Total number of days with different AQI categories in last 230 days in 2026 (135 days remaining)

Good
192 Days
Moderate
28 Days
Poor
6 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 85%

Health Risk Level:

Low

In 2026, 85% of 230 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

St Maries, Coeur Dalene, Idaho, 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
73AQI (US)
2nd January 2026
61AQI (US)
3rd January 2026
41AQI (US)
4th January 2026
39AQI (US)
5th January 2026
35AQI (US)
6th January 2026
32AQI (US)
7th January 2026
36AQI (US)
8th January 2026
37AQI (US)
9th January 2026
38AQI (US)
10th January 2026
45AQI (US)
11th January 2026
40AQI (US)
12th January 2026
33AQI (US)
13th January 2026
23AQI (US)
14th January 2026
47AQI (US)
15th January 2026
51AQI (US)
16th January 2026
39AQI (US)
17th January 2026
45AQI (US)
18th January 2026
39AQI (US)
19th January 2026
37AQI (US)
20th January 2026
40AQI (US)
21st January 2026
40AQI (US)
22nd January 2026
27AQI (US)
23rd January 2026
30AQI (US)
24th January 2026
28AQI (US)
25th January 2026
23AQI (US)
26th January 2026
29AQI (US)
27th January 2026
28AQI (US)
28th January 2026
26AQI (US)
29th January 2026
32AQI (US)
30th January 2026
33AQI (US)
31st January 2026
24AQI (US)
1st February 2026
39AQI (US)
2nd February 2026
31AQI (US)
3rd February 2026
24AQI (US)
4th February 2026
27AQI (US)
5th February 2026
36AQI (US)
6th February 2026
28AQI (US)
7th February 2026
34AQI (US)
8th February 2026
27AQI (US)
9th February 2026
43AQI (US)
10th February 2026
25AQI (US)
11th February 2026
22AQI (US)
12th February 2026
26AQI (US)
13th February 2026
26AQI (US)
14th February 2026
31AQI (US)
15th February 2026
21AQI (US)
16th February 2026
38AQI (US)
17th February 2026
41AQI (US)
18th February 2026
33AQI (US)
19th February 2026
26AQI (US)
20th February 2026
30AQI (US)
21st February 2026
34AQI (US)
22nd February 2026
30AQI (US)
23rd February 2026
36AQI (US)
24th February 2026
45AQI (US)
25th February 2026
33AQI (US)
26th February 2026
21AQI (US)
27th February 2026
18AQI (US)
28th February 2026
27AQI (US)
1st March 2026
29AQI (US)
2nd March 2026
36AQI (US)
3rd March 2026
25AQI (US)
4th March 2026
41AQI (US)
5th March 2026
44AQI (US)
6th March 2026
21AQI (US)
7th March 2026
35AQI (US)
8th March 2026
30AQI (US)
9th March 2026
31AQI (US)
10th March 2026
25AQI (US)
11th March 2026
24AQI (US)
12th March 2026
34AQI (US)
13th March 2026
39AQI (US)
14th March 2026
31AQI (US)
15th March 2026
21AQI (US)
16th March 2026
25AQI (US)
17th March 2026
22AQI (US)
18th March 2026
19AQI (US)
19th March 2026
20AQI (US)
20th March 2026
26AQI (US)
21st March 2026
30AQI (US)
22nd March 2026
23AQI (US)
23rd March 2026
20AQI (US)
24th March 2026
31AQI (US)
25th March 2026
29AQI (US)
26th March 2026
32AQI (US)
27th March 2026
17AQI (US)
28th March 2026
25AQI (US)
29th March 2026
36AQI (US)
30th March 2026
29AQI (US)
31st March 2026
23AQI (US)
1st April 2026
24AQI (US)
2nd April 2026
32AQI (US)
3rd April 2026
24AQI (US)
4th April 2026
20AQI (US)
5th April 2026
20AQI (US)
6th April 2026
20AQI (US)
7th April 2026
23AQI (US)
8th April 2026
19AQI (US)
9th April 2026
23AQI (US)
10th April 2026
19AQI (US)
11th April 2026
22AQI (US)
12th April 2026
29AQI (US)
13th April 2026
34AQI (US)
14th April 2026
30AQI (US)
15th April 2026
28AQI (US)
16th April 2026
30AQI (US)
17th April 2026
18th April 2026
26AQI (US)
19th April 2026
27AQI (US)
20th April 2026
14AQI (US)
21st April 2026
18AQI (US)
22nd April 2026
23rd April 2026
27AQI (US)
24th April 2026
27AQI (US)
25th April 2026
28AQI (US)
26th April 2026
20AQI (US)
27th April 2026
24AQI (US)
28th April 2026
14AQI (US)
29th April 2026
24AQI (US)
30th April 2026
19AQI (US)
1st May 2026
19AQI (US)
2nd May 2026
18AQI (US)
3rd May 2026
18AQI (US)
4th May 2026
22AQI (US)
5th May 2026
22AQI (US)
6th May 2026
25AQI (US)
7th May 2026
20AQI (US)
8th May 2026
25AQI (US)
9th May 2026
10th May 2026
21AQI (US)
11th May 2026
19AQI (US)
12th May 2026
23AQI (US)
13th May 2026
33AQI (US)
14th May 2026
24AQI (US)
15th May 2026
32AQI (US)
16th May 2026
45AQI (US)
17th May 2026
37AQI (US)
18th May 2026
24AQI (US)
19th May 2026
22AQI (US)
20th May 2026
22AQI (US)
21st May 2026
25AQI (US)
22nd May 2026
25AQI (US)
23rd May 2026
25AQI (US)
24th May 2026
22AQI (US)
25th May 2026
17AQI (US)
26th May 2026
19AQI (US)
27th May 2026
17AQI (US)
28th May 2026
14AQI (US)
29th May 2026
14AQI (US)
30th May 2026
21AQI (US)
31st May 2026
22AQI (US)
1st June 2026
17AQI (US)
2nd June 2026
27AQI (US)
3rd June 2026
15AQI (US)
4th June 2026
15AQI (US)
5th June 2026
18AQI (US)
6th June 2026
16AQI (US)
7th June 2026
22AQI (US)
8th June 2026
20AQI (US)
9th June 2026
17AQI (US)
10th June 2026
26AQI (US)
11th June 2026
25AQI (US)
12th June 2026
14AQI (US)
13th June 2026
23AQI (US)
14th June 2026
21AQI (US)
15th June 2026
15AQI (US)
16th June 2026
32AQI (US)
17th June 2026
16AQI (US)
18th June 2026
16AQI (US)
19th June 2026
14AQI (US)
20th June 2026
18AQI (US)
21st June 2026
15AQI (US)
22nd June 2026
16AQI (US)
23rd June 2026
15AQI (US)
24th June 2026
14AQI (US)
25th June 2026
19AQI (US)
26th June 2026
16AQI (US)
27th June 2026
24AQI (US)
28th June 2026
22AQI (US)
29th June 2026
33AQI (US)
30th June 2026
54AQI (US)
1st July 2026
16AQI (US)
2nd July 2026
20AQI (US)
3rd July 2026
18AQI (US)
4th July 2026
22AQI (US)
5th July 2026
24AQI (US)
6th July 2026
14AQI (US)
7th July 2026
16AQI (US)
8th July 2026
19AQI (US)
9th July 2026
16AQI (US)
10th July 2026
15AQI (US)
11th July 2026
16AQI (US)
12th July 2026
13AQI (US)
13th July 2026
16AQI (US)
14th July 2026
18AQI (US)
15th July 2026
13AQI (US)
16th July 2026
25AQI (US)
17th July 2026
87AQI (US)
18th July 2026
56AQI (US)
19th July 2026
49AQI (US)
20th July 2026
59AQI (US)
21st July 2026
53AQI (US)
22nd July 2026
67AQI (US)
23rd July 2026
77AQI (US)
24th July 2026
78AQI (US)
25th July 2026
54AQI (US)
26th July 2026
62AQI (US)
27th July 2026
74AQI (US)
28th July 2026
74AQI (US)
29th July 2026
74AQI (US)
30th July 2026
74AQI (US)
31st July 2026
72AQI (US)
1st August 2026
63AQI (US)
2nd August 2026
89AQI (US)
3rd August 2026
124AQI (US)
4th August 2026
103AQI (US)
5th August 2026
95AQI (US)
6th August 2026
110AQI (US)
7th August 2026
115AQI (US)
8th August 2026
109AQI (US)
9th August 2026
140AQI (US)
10th August 2026
70AQI (US)
11th August 2026
68AQI (US)
12th August 2026
64AQI (US)
13th August 2026
71AQI (US)
14th August 2026
51AQI (US)
15th August 2026
55AQI (US)
16th August 2026
53AQI (US)
17th August 2026
48AQI (US)
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

37AQI (US)

30AQI (US)

28AQI (US)

24AQI (US)

23AQI (US)

21AQI (US)

42AQI (US)

84AQI (US)

No. of days

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

202633AQI (US)

28
3
28
31
28
30
29
1
17
14
1
10
6
192
28
6

Highest AQI (US) recorded in

August

84AQI (US)

Lowest AQI (US) recorded in

June

21AQI (US)

202539AQI (US)

23
8
22
6
31
30
31
30
31
21
10
13
17
13
18
4
26
14
17
263
102

Highest AQI (US) recorded in

November

64AQI (US)

Lowest AQI (US) recorded in

May

22AQI (US)

202435AQI (US)

19
11
1
17
4
27
3
24
31
29
19
12
24
7
23
6
1
27
4
25
3
2
27
4
292
54
4

Highest AQI (US) recorded in

January

50AQI (US)

Lowest AQI (US) recorded in

June

21AQI (US)

202340AQI (US)

20
11
24
4
28
3
30
25
3
24
2
31
21
8
1
1
30
23
6
6
19
2
19
12
281
68
3
1

Highest AQI (US) recorded in

November

69AQI (US)

Lowest AQI (US) recorded in

June

27AQI (US)

202242AQI (US)

20
9
14
8
27
1
17
31
30
18
3
15
9
2
3
16
15
9
16
5
23
7
1
223
65
8
3

Highest AQI (US) recorded in

November

71AQI (US)

Lowest AQI (US) recorded in

July

23AQI (US)

202141AQI (US)

19
10
23
5
26
5
29
1
31
30
15
14
2
15
8
5
3
24
3
3
26
5
20
5
2
24
7
282
63
12
3

Highest AQI (US) recorded in

August

70AQI (US)

Lowest AQI (US) recorded in

May

22AQI (US)

202040AQI (US)

11
2
20
18
30
30
1
23
3
18
5
5
1
1
20
8
2
14
15
1
18
13
202
47
3
5
1
1

Highest AQI (US) recorded in

September

78AQI (US)

Lowest AQI (US) recorded in

June

16AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2022(Avg.)
42AQI (US)
Least Polluted Year Recorded
2026(Avg.)
33AQI (US)

St Maries's annual 2026 AQI (US) (33) shows an average percentage change of -16.1% (improved AQI (US)) compared to previous years: 2020 (40), 2021 (41), 2022 (42), 2023 (40), 2024 (35), 2025 (39).