Lewiston, 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
Lewiston, Idaho, United States
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
20th Aug 2023
111AQILowest AQI recorded on
17th Aug 2025
17AQISame Day Analysis (7th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 84 of Moderate air quality on the same day.
Day & Night AQI Trend: 7th Aug - 8th Aug 2026
Lewiston, Idaho, United States
AQI
Day
Night
.
5 AM7th Aug 2026
8 PM
4 AM8th Aug 2026
Day time
Avg. Highest Time
2PM7th Aug
91AQI
Avg. Lowest Time
6AM7th Aug
79AQI
Night time
Avg. Highest Time
10PM7th Aug
79AQI
Avg. Lowest Time
3AM8th Aug
71AQI
In the last 24 hours,
Lewiston's AQI reached its highest point of 91 at 2 PM during the Day, while the lowest point, 71, was recorded at 3 AM during the Night between 7th Aug and 8th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Lewiston, Idaho, United States
JulAug
10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th
Day
Night
10th Jul 2026345 AMAQI
10th Jul 2026346 AMAQI
10th Jul 2026367 AMAQI
10th Jul 2026368 AMAQI
10th Jul 2026369 AMAQI
10th Jul 20263510 AMAQI
10th Jul 20263311 AMAQI
10th Jul 20263012 PMAQI
10th Jul 2026341 PMAQI
10th Jul 2026342 PMAQI
10th Jul 2026333 PMAQI
10th Jul 2026354 PMAQI
10th Jul 2026365 PMAQI
10th Jul 2026366 PMAQI
10th Jul 2026307 PMAQI
10th Jul 2026308 PMAQI
10th Jul 2026269 PMAQI
10th Jul 20262610 PMAQI
10th Jul 20262411 PMAQI
11th Jul 20262712 AMAQI
11th Jul 2026331 AMAQI
11th Jul 2026312 AMAQI
11th Jul 2026313 AMAQI
11th Jul 2026284 AMAQI
21°C12/29°C
11th Jul 2026325 AMAQI
11th Jul 2026336 AMAQI
11th Jul 2026337 AMAQI
11th Jul 2026338 AMAQI
11th Jul 2026349 AMAQI
11th Jul 20263310 AMAQI
11th Jul 20263311 AMAQI
11th Jul 20262912 PMAQI
11th Jul 2026311 PMAQI
11th Jul 2026322 PMAQI
11th Jul 2026323 PMAQI
11th Jul 2026324 PMAQI
11th Jul 2026325 PMAQI
11th Jul 2026316 PMAQI
11th Jul 2026287 PMAQI
11th Jul 2026288 PMAQI
11th Jul 2026249 PMAQI
11th Jul 20262410 PMAQI
11th Jul 20262411 PMAQI
12th Jul 20262612 AMAQI
12th Jul 2026311 AMAQI
12th Jul 2026302 AMAQI
12th Jul 2026303 AMAQI
12th Jul 2026304 AMAQI
22°C14/29°C
12th Jul 2026325 AMAQI
12th Jul 2026316 AMAQI
12th Jul 2026307 AMAQI
12th Jul 2026328 AMAQI
12th Jul 2026319 AMAQI
12th Jul 20263110 AMAQI
12th Jul 20263111 AMAQI
12th Jul 20262812 PMAQI
12th Jul 2026301 PMAQI
12th Jul 2026292 PMAQI
12th Jul 2026293 PMAQI
12th Jul 2026304 PMAQI
12th Jul 2026315 PMAQI
12th Jul 2026306 PMAQI
12th Jul 2026267 PMAQI
12th Jul 2026248 PMAQI
12th Jul 2026229 PMAQI
12th Jul 20262110 PMAQI
12th Jul 20262111 PMAQI
13th Jul 20262612 AMAQI
13th Jul 2026321 AMAQI
13th Jul 2026322 AMAQI
13th Jul 2026333 AMAQI
13th Jul 2026324 AMAQI
21°C15/26°C
13th Jul 2026335 AMAQI
13th Jul 2026346 AMAQI
13th Jul 2026357 AMAQI
13th Jul 2026368 AMAQI
13th Jul 2026359 AMAQI
13th Jul 20263410 AMAQI
13th Jul 20263211 AMAQI
13th Jul 20262912 PMAQI
13th Jul 2026321 PMAQI
13th Jul 2026322 PMAQI
13th Jul 2026323 PMAQI
13th Jul 2026274 PMAQI
13th Jul 2026305 PMAQI
13th Jul 2026336 PMAQI
13th Jul 2026267 PMAQI
13th Jul 2026258 PMAQI
13th Jul 2026239 PMAQI
13th Jul 20262310 PMAQI
13th Jul 20262911 PMAQI
14th Jul 20263012 AMAQI
14th Jul 2026321 AMAQI
14th Jul 2026322 AMAQI
14th Jul 2026313 AMAQI
14th Jul 2026324 AMAQI
22°C14/29°C
14th Jul 2026325 AMAQI
14th Jul 2026346 AMAQI
14th Jul 2026357 AMAQI
14th Jul 2026358 AMAQI
14th Jul 2026369 AMAQI
14th Jul 20263510 AMAQI
14th Jul 20263311 AMAQI
14th Jul 20263012 PMAQI
14th Jul 2026321 PMAQI
14th Jul 2026272 PMAQI
14th Jul 2026323 PMAQI
14th Jul 2026324 PMAQI
14th Jul 2026315 PMAQI
14th Jul 2026326 PMAQI
14th Jul 2026267 PMAQI
14th Jul 2026248 PMAQI
14th Jul 2026229 PMAQI
14th Jul 20262210 PMAQI
14th Jul 20262111 PMAQI
15th Jul 20262212 AMAQI
15th Jul 2026251 AMAQI
15th Jul 2026272 AMAQI
15th Jul 2026243 AMAQI
15th Jul 2026264 AMAQI
21°C17/27°C
15th Jul 2026255 AMAQI
15th Jul 2026296 AMAQI
15th Jul 2026267 AMAQI
15th Jul 2026268 AMAQI
15th Jul 2026269 AMAQI
15th Jul 20263110 AMAQI
15th Jul 20263011 AMAQI
15th Jul 20262812 PMAQI
15th Jul 2026301 PMAQI
15th Jul 2026312 PMAQI
15th Jul 2026303 PMAQI
15th Jul 2026314 PMAQI
15th Jul 2026315 PMAQI
15th Jul 2026316 PMAQI
15th Jul 2026307 PMAQI
15th Jul 2026298 PMAQI
15th Jul 2026269 PMAQI
15th Jul 20262810 PMAQI
15th Jul 20262611 PMAQI
16th Jul 20262512 AMAQI
16th Jul 2026271 AMAQI
16th Jul 2026302 AMAQI
16th Jul 2026293 AMAQI
16th Jul 2026294 AMAQI
22°C14/30°C
16th Jul 2026295 AMAQI
16th Jul 2026296 AMAQI
16th Jul 2026347 AMAQI
16th Jul 2026318 AMAQI
16th Jul 2026319 AMAQI
16th Jul 20263110 AMAQI
16th Jul 20263011 AMAQI
16th Jul 20263412 PMAQI
16th Jul 2026331 PMAQI
16th Jul 2026322 PMAQI
16th Jul 2026303 PMAQI
16th Jul 2026274 PMAQI
16th Jul 2026285 PMAQI
16th Jul 2026316 PMAQI
16th Jul 2026287 PMAQI
16th Jul 2026288 PMAQI
16th Jul 2026259 PMAQI
16th Jul 20262610 PMAQI
16th Jul 20262511 PMAQI
17th Jul 20263412 AMAQI
17th Jul 2026321 AMAQI
17th Jul 2026612 AMAQI
17th Jul 2026563 AMAQI
17th Jul 2026644 AMAQI
24°C14/33°C
17th Jul 2026575 AMAQI
17th Jul 2026636 AMAQI
17th Jul 2026727 AMAQI
17th Jul 2026778 AMAQI
17th Jul 2026799 AMAQI
17th Jul 20268010 AMAQI
17th Jul 20268511 AMAQI
17th Jul 20267812 PMAQI
17th Jul 2026761 PMAQI
17th Jul 2026732 PMAQI
17th Jul 2026723 PMAQI
17th Jul 2026724 PMAQI
17th Jul 2026725 PMAQI
17th Jul 2026656 PMAQI
17th Jul 2026647 PMAQI
17th Jul 2026598 PMAQI
17th Jul 2026669 PMAQI
17th Jul 20266110 PMAQI
17th Jul 20266211 PMAQI
18th Jul 20266012 AMAQI
18th Jul 2026601 AMAQI
18th Jul 2026592 AMAQI
18th Jul 2026603 AMAQI
18th Jul 2026604 AMAQI
24°C18/29°C
18th Jul 2026555 AMAQI
18th Jul 2026516 AMAQI
18th Jul 2026537 AMAQI
18th Jul 2026558 AMAQI
18th Jul 2026639 AMAQI
18th Jul 20266710 AMAQI
18th Jul 20266711 AMAQI
18th Jul 20266312 PMAQI
18th Jul 2026601 PMAQI
18th Jul 2026582 PMAQI
18th Jul 2026573 PMAQI
18th Jul 2026584 PMAQI
18th Jul 2026605 PMAQI
18th Jul 2026636 PMAQI
18th Jul 2026607 PMAQI
18th Jul 2026558 PMAQI
18th Jul 2026549 PMAQI
18th Jul 20265810 PMAQI
18th Jul 20265511 PMAQI
19th Jul 20265512 AMAQI
19th Jul 2026461 AMAQI
19th Jul 2026422 AMAQI
19th Jul 2026503 AMAQI
19th Jul 2026424 AMAQI
23°C16/29°C
19th Jul 2026495 AMAQI
19th Jul 2026466 AMAQI
19th Jul 2026467 AMAQI
19th Jul 2026468 AMAQI
19th Jul 2026519 AMAQI
19th Jul 20265510 AMAQI
19th Jul 20265711 AMAQI
19th Jul 20265612 PMAQI
19th Jul 2026561 PMAQI
19th Jul 2026562 PMAQI
19th Jul 2026553 PMAQI
19th Jul 2026534 PMAQI
19th Jul 2026525 PMAQI
19th Jul 2026526 PMAQI
19th Jul 2026517 PMAQI
19th Jul 2026518 PMAQI
19th Jul 2026529 PMAQI
19th Jul 20264910 PMAQI
19th Jul 20265111 PMAQI
20th Jul 20265112 AMAQI
20th Jul 2026481 AMAQI
20th Jul 2026472 AMAQI
20th Jul 2026463 AMAQI
20th Jul 2026474 AMAQI
22°C13/28°C
20th Jul 2026485 AMAQI
20th Jul 2026456 AMAQI
20th Jul 2026487 AMAQI
20th Jul 2026488 AMAQI
20th Jul 2026509 AMAQI
20th Jul 20265210 AMAQI
20th Jul 20265911 AMAQI
20th Jul 20265812 PMAQI
20th Jul 2026581 PMAQI
20th Jul 2026592 PMAQI
20th Jul 2026613 PMAQI
20th Jul 2026634 PMAQI
20th Jul 2026635 PMAQI
20th Jul 2026616 PMAQI
20th Jul 2026587 PMAQI
20th Jul 2026569 PMAQI
20th Jul 20265410 PMAQI
20th Jul 20265511 PMAQI
21st Jul 20265712 AMAQI
21st Jul 2026571 AMAQI
21st Jul 2026562 AMAQI
21st Jul 2026543 AMAQI
21st Jul 2026564 AMAQI
22°C15/30°C
21st Jul 2026565 AMAQI
21st Jul 2026596 AMAQI
21st Jul 2026607 AMAQI
21st Jul 2026578 AMAQI
21st Jul 2026529 AMAQI
21st Jul 20266210 AMAQI
21st Jul 20266511 AMAQI
21st Jul 20267012 PMAQI
21st Jul 2026721 PMAQI
21st Jul 2026742 PMAQI
21st Jul 2026673 PMAQI
21st Jul 2026694 PMAQI
21st Jul 2026715 PMAQI
21st Jul 2026686 PMAQI
21st Jul 2026647 PMAQI
21st Jul 2026648 PMAQI
21st Jul 2026619 PMAQI
21st Jul 20266110 PMAQI
21st Jul 20266311 PMAQI
22nd Jul 20265912 AMAQI
22nd Jul 2026681 AMAQI
22nd Jul 2026672 AMAQI
22nd Jul 2026653 AMAQI
22nd Jul 2026644 AMAQI
23°C15/31°C
22nd Jul 2026615 AMAQI
22nd Jul 2026636 AMAQI
22nd Jul 2026637 AMAQI
22nd Jul 2026658 AMAQI
22nd Jul 2026669 AMAQI
22nd Jul 20267310 AMAQI
22nd Jul 20267011 AMAQI
22nd Jul 20267512 PMAQI
22nd Jul 2026771 PMAQI
22nd Jul 2026742 PMAQI
22nd Jul 2026733 PMAQI
22nd Jul 2026854 PMAQI
22nd Jul 2026785 PMAQI
22nd Jul 2026816 PMAQI
22nd Jul 2026707 PMAQI
22nd Jul 2026708 PMAQI
22nd Jul 2026709 PMAQI
22nd Jul 20267510 PMAQI
22nd Jul 20266611 PMAQI
23rd Jul 20266912 AMAQI
23rd Jul 2026661 AMAQI
23rd Jul 2026692 AMAQI
23rd Jul 2026713 AMAQI
23rd Jul 2026684 AMAQI
25°C16/32°C
23rd Jul 2026775 AMAQI
23rd Jul 2026726 AMAQI
23rd Jul 2026767 AMAQI
23rd Jul 2026768 AMAQI
23rd Jul 2026809 AMAQI
23rd Jul 20267310 AMAQI
23rd Jul 20267211 AMAQI
23rd Jul 20267012 PMAQI
23rd Jul 2026761 PMAQI
23rd Jul 2026772 PMAQI
23rd Jul 2026673 PMAQI
23rd Jul 2026784 PMAQI
23rd Jul 2026775 PMAQI
23rd Jul 2026736 PMAQI
23rd Jul 2026747 PMAQI
23rd Jul 2026718 PMAQI
23rd Jul 2026629 PMAQI
23rd Jul 20266710 PMAQI
23rd Jul 20266211 PMAQI
24th Jul 20266612 AMAQI
24th Jul 2026711 AMAQI
24th Jul 2026702 AMAQI
24th Jul 2026673 AMAQI
24th Jul 2026714 AMAQI
25°C19/33°C
24th Jul 2026705 AMAQI
24th Jul 2026696 AMAQI
24th Jul 2026677 AMAQI
24th Jul 2026698 AMAQI
24th Jul 2026729 AMAQI
24th Jul 20267310 AMAQI
24th Jul 20267511 AMAQI
24th Jul 20267112 PMAQI
24th Jul 2026751 PMAQI
24th Jul 2026712 PMAQI
24th Jul 2026663 PMAQI
24th Jul 2026704 PMAQI
24th Jul 2026725 PMAQI
24th Jul 2026716 PMAQI
24th Jul 2026667 PMAQI
24th Jul 2026668 PMAQI
24th Jul 2026639 PMAQI
24th Jul 20266210 PMAQI
24th Jul 20265611 PMAQI
25th Jul 20265312 AMAQI
25th Jul 2026581 AMAQI
25th Jul 2026602 AMAQI
25th Jul 2026583 AMAQI
25th Jul 2026564 AMAQI
24°C16/32°C
25th Jul 2026565 AMAQI
25th Jul 2026576 AMAQI
25th Jul 2026567 AMAQI
25th Jul 2026578 AMAQI
25th Jul 2026569 AMAQI
25th Jul 20266110 AMAQI
25th Jul 20266511 AMAQI
25th Jul 20266212 PMAQI
25th Jul 2026621 PMAQI
25th Jul 2026622 PMAQI
25th Jul 2026603 PMAQI
25th Jul 2026574 PMAQI
25th Jul 2026645 PMAQI
25th Jul 2026706 PMAQI
25th Jul 2026727 PMAQI
25th Jul 2026718 PMAQI
25th Jul 2026629 PMAQI
25th Jul 20266210 PMAQI
25th Jul 20266611 PMAQI
26th Jul 20266512 AMAQI
26th Jul 2026671 AMAQI
26th Jul 2026662 AMAQI
26th Jul 2026633 AMAQI
26th Jul 2026674 AMAQI
23°C17/31°C
26th Jul 2026625 AMAQI
26th Jul 2026576 AMAQI
26th Jul 2026557 AMAQI
26th Jul 2026548 AMAQI
26th Jul 2026599 AMAQI
26th Jul 20266010 AMAQI
26th Jul 20265811 AMAQI
26th Jul 20266112 PMAQI
26th Jul 2026631 PMAQI
26th Jul 2026662 PMAQI
26th Jul 2026633 PMAQI
26th Jul 2026614 PMAQI
26th Jul 2026715 PMAQI
26th Jul 2026756 PMAQI
26th Jul 2026717 PMAQI
26th Jul 2026708 PMAQI
26th Jul 2026709 PMAQI
26th Jul 20267110 PMAQI
26th Jul 20266911 PMAQI
27th Jul 20266612 AMAQI
27th Jul 2026691 AMAQI
27th Jul 2026702 AMAQI
27th Jul 2026663 AMAQI
27th Jul 2026654 AMAQI
21°C13/29°C
27th Jul 2026665 AMAQI
27th Jul 2026706 AMAQI
27th Jul 2026737 AMAQI
27th Jul 2026768 AMAQI
27th Jul 2026809 AMAQI
27th Jul 20268210 AMAQI
27th Jul 20268111 AMAQI
27th Jul 20267612 PMAQI
27th Jul 2026711 PMAQI
27th Jul 2026702 PMAQI
27th Jul 2026713 PMAQI
27th Jul 2026694 PMAQI
27th Jul 2026745 PMAQI
27th Jul 2026746 PMAQI
27th Jul 2026747 PMAQI
27th Jul 2026738 PMAQI
27th Jul 2026679 PMAQI
27th Jul 20266410 PMAQI
27th Jul 20266511 PMAQI
28th Jul 20266212 AMAQI
28th Jul 2026641 AMAQI
28th Jul 2026632 AMAQI
28th Jul 2026643 AMAQI
28th Jul 2026664 AMAQI
21°C12/29°C
28th Jul 2026725 AMAQI
28th Jul 2026726 AMAQI
28th Jul 2026727 AMAQI
28th Jul 2026788 AMAQI
28th Jul 2026759 AMAQI
28th Jul 20267710 AMAQI
28th Jul 20267511 AMAQI
28th Jul 20267712 PMAQI
28th Jul 2026711 PMAQI
28th Jul 2026742 PMAQI
28th Jul 2026723 PMAQI
28th Jul 2026744 PMAQI
28th Jul 2026695 PMAQI
28th Jul 2026736 PMAQI
28th Jul 2026757 PMAQI
28th Jul 2026748 PMAQI
28th Jul 2026709 PMAQI
28th Jul 20266810 PMAQI
28th Jul 20266711 PMAQI
29th Jul 20267112 AMAQI
29th Jul 2026721 AMAQI
29th Jul 2026792 AMAQI
29th Jul 2026723 AMAQI
29th Jul 2026764 AMAQI
22°C13/30°C
29th Jul 2026715 AMAQI
29th Jul 2026696 AMAQI
29th Jul 2026747 AMAQI
29th Jul 2026708 AMAQI
29th Jul 2026779 AMAQI
29th Jul 20267710 AMAQI
29th Jul 20267411 AMAQI
29th Jul 20267012 PMAQI
29th Jul 2026671 PMAQI
29th Jul 2026642 PMAQI
29th Jul 2026643 PMAQI
29th Jul 2026634 PMAQI
29th Jul 2026645 PMAQI
29th Jul 2026636 PMAQI
29th Jul 2026627 PMAQI
29th Jul 2026608 PMAQI
29th Jul 2026619 PMAQI
29th Jul 20266510 PMAQI
29th Jul 20266211 PMAQI
30th Jul 20266512 AMAQI
30th Jul 2026661 AMAQI
30th Jul 2026632 AMAQI
30th Jul 2026653 AMAQI
30th Jul 2026644 AMAQI
21°C12/30°C
30th Jul 2026665 AMAQI
30th Jul 2026666 AMAQI
30th Jul 2026677 AMAQI
30th Jul 2026668 AMAQI
30th Jul 2026679 AMAQI
30th Jul 20266710 AMAQI
30th Jul 20266911 AMAQI
30th Jul 20267312 PMAQI
30th Jul 2026711 PMAQI
30th Jul 2026702 PMAQI
30th Jul 2026663 PMAQI
30th Jul 2026694 PMAQI
30th Jul 2026665 PMAQI
30th Jul 2026696 PMAQI
30th Jul 2026697 PMAQI
30th Jul 2026678 PMAQI
30th Jul 2026609 PMAQI
30th Jul 20266310 PMAQI
30th Jul 20266611 PMAQI
31st Jul 20267112 AMAQI
31st Jul 2026701 AMAQI
31st Jul 2026702 AMAQI
31st Jul 2026673 AMAQI
31st Jul 2026664 AMAQI
22°C14/31°C
31st Jul 2026645 AMAQI
31st Jul 2026656 AMAQI
31st Jul 2026647 AMAQI
31st Jul 2026678 AMAQI
31st Jul 2026669 AMAQI
31st Jul 20267010 AMAQI
31st Jul 20266811 AMAQI
31st Jul 20267512 PMAQI
31st Jul 2026721 PMAQI
31st Jul 2026602 PMAQI
31st Jul 2026543 PMAQI
31st Jul 2026554 PMAQI
31st Jul 2026575 PMAQI
31st Jul 2026596 PMAQI
31st Jul 2026637 PMAQI
31st Jul 2026598 PMAQI
31st Jul 2026559 PMAQI
31st Jul 20266110 PMAQI
31st Jul 20265611 PMAQI
1st Aug 20265912 AMAQI
1st Aug 2026651 AMAQI
1st Aug 2026682 AMAQI
1st Aug 2026673 AMAQI
1st Aug 2026684 AMAQI
24°C14/34°C
1st Aug 2026675 AMAQI
1st Aug 2026646 AMAQI
1st Aug 2026717 AMAQI
1st Aug 2026668 AMAQI
1st Aug 2026699 AMAQI
1st Aug 20267210 AMAQI
1st Aug 20267311 AMAQI
1st Aug 20267012 PMAQI
1st Aug 2026701 PMAQI
1st Aug 2026682 PMAQI
1st Aug 2026703 PMAQI
1st Aug 2026694 PMAQI
1st Aug 2026725 PMAQI
1st Aug 2026756 PMAQI
1st Aug 2026727 PMAQI
1st Aug 2026738 PMAQI
1st Aug 2026649 PMAQI
1st Aug 20266210 PMAQI
1st Aug 20266511 PMAQI
2nd Aug 20266312 AMAQI
2nd Aug 2026661 AMAQI
2nd Aug 2026582 AMAQI
2nd Aug 2026503 AMAQI
2nd Aug 2026504 AMAQI
24°C17/32°C
2nd Aug 2026555 AMAQI
2nd Aug 2026556 AMAQI
2nd Aug 2026577 AMAQI
2nd Aug 2026548 AMAQI
2nd Aug 2026559 AMAQI
2nd Aug 20265610 AMAQI
2nd Aug 20265511 AMAQI
2nd Aug 20264912 PMAQI
2nd Aug 2026481 PMAQI
2nd Aug 2026532 PMAQI
2nd Aug 2026593 PMAQI
2nd Aug 2026684 PMAQI
2nd Aug 2026795 PMAQI
2nd Aug 2026636 PMAQI
2nd Aug 2026587 PMAQI
2nd Aug 2026768 PMAQI
2nd Aug 2026749 PMAQI
2nd Aug 20266910 PMAQI
2nd Aug 20267211 PMAQI
3rd Aug 20267112 AMAQI
3rd Aug 2026741 AMAQI
3rd Aug 2026772 AMAQI
3rd Aug 2026813 AMAQI
3rd Aug 2026854 AMAQI
18°C11/24°C
3rd Aug 2026795 AMAQI
3rd Aug 2026746 AMAQI
3rd Aug 2026687 AMAQI
3rd Aug 2026718 AMAQI
3rd Aug 2026749 AMAQI
3rd Aug 20267010 AMAQI
3rd Aug 20267411 AMAQI
3rd Aug 20267012 PMAQI
3rd Aug 2026711 PMAQI
3rd Aug 2026762 PMAQI
3rd Aug 2026743 PMAQI
3rd Aug 2026724 PMAQI
3rd Aug 2026705 PMAQI
3rd Aug 2026686 PMAQI
3rd Aug 2026707 PMAQI
3rd Aug 2026718 PMAQI
3rd Aug 2026709 PMAQI
3rd Aug 20267110 PMAQI
3rd Aug 20267311 PMAQI
4th Aug 20267312 AMAQI
4th Aug 2026731 AMAQI
4th Aug 2026732 AMAQI
4th Aug 2026743 AMAQI
4th Aug 2026694 AMAQI
16°C10/24°C
4th Aug 2026725 AMAQI
4th Aug 2026746 AMAQI
4th Aug 2026827 AMAQI
4th Aug 2026828 AMAQI
4th Aug 2026889 AMAQI
4th Aug 20267810 AMAQI
4th Aug 20267811 AMAQI
4th Aug 20268012 PMAQI
4th Aug 2026811 PMAQI
4th Aug 2026752 PMAQI
4th Aug 2026773 PMAQI
4th Aug 2026674 PMAQI
4th Aug 2026735 PMAQI
4th Aug 2026766 PMAQI
4th Aug 2026747 PMAQI
4th Aug 2026728 PMAQI
4th Aug 2026669 PMAQI
4th Aug 20267310 PMAQI
4th Aug 20266511 PMAQI
5th Aug 20266312 AMAQI
5th Aug 2026651 AMAQI
5th Aug 2026672 AMAQI
5th Aug 2026693 AMAQI
5th Aug 2026714 AMAQI
17°C8/27°C
5th Aug 2026695 AMAQI
5th Aug 2026726 AMAQI
5th Aug 2026707 AMAQI
5th Aug 2026718 AMAQI
5th Aug 2026709 AMAQI
5th Aug 20267510 AMAQI
5th Aug 20268311 AMAQI
5th Aug 20268412 PMAQI
5th Aug 2026901 PMAQI
5th Aug 2026962 PMAQI
5th Aug 2026983 PMAQI
5th Aug 2026914 PMAQI
5th Aug 2026895 PMAQI
5th Aug 2026806 PMAQI
5th Aug 2026747 PMAQI
5th Aug 2026768 PMAQI
5th Aug 2026709 PMAQI
5th Aug 20266710 PMAQI
5th Aug 20266911 PMAQI
6th Aug 20266512 AMAQI
6th Aug 2026691 AMAQI
6th Aug 2026642 AMAQI
6th Aug 2026633 AMAQI
6th Aug 2026694 AMAQI
21°C10/31°C
6th Aug 2026695 AMAQI
6th Aug 2026696 AMAQI
6th Aug 2026637 AMAQI
6th Aug 2026708 AMAQI
6th Aug 2026749 AMAQI
6th Aug 20267410 AMAQI
6th Aug 20267911 AMAQI
6th Aug 20268112 PMAQI
6th Aug 2026881 PMAQI
6th Aug 2026862 PMAQI
6th Aug 2026823 PMAQI
6th Aug 2026844 PMAQI
6th Aug 2026855 PMAQI
6th Aug 2026786 PMAQI
6th Aug 2026787 PMAQI
6th Aug 2026818 PMAQI
6th Aug 2026779 PMAQI
6th Aug 20267710 PMAQI
6th Aug 20267311 PMAQI
7th Aug 20268112 AMAQI
7th Aug 2026851 AMAQI
7th Aug 2026782 AMAQI
7th Aug 2026783 AMAQI
7th Aug 2026784 AMAQI
23°C13/33°C
7th Aug 2026835 AMAQI
7th Aug 2026796 AMAQI
7th Aug 2026837 AMAQI
7th Aug 2026818 AMAQI
7th Aug 2026859 AMAQI
7th Aug 20268510 AMAQI
7th Aug 20268411 AMAQI
7th Aug 20268912 PMAQI
7th Aug 2026851 PMAQI
7th Aug 2026912 PMAQI
7th Aug 2026893 PMAQI
7th Aug 2026884 PMAQI
7th Aug 2026895 PMAQI
7th Aug 2026896 PMAQI
7th Aug 2026897 PMAQI
7th Aug 2026858 PMAQI
7th Aug 2026779 PMAQI
7th Aug 20267910 PMAQI
7th Aug 20267511 PMAQI
8th Aug 20267912 AMAQI
8th Aug 2026751 AMAQI
8th Aug 2026782 AMAQI
8th Aug 2026713 AMAQI
8th Aug 2026794 AMAQI
25°C15/34°C
8th Aug 2026745 AMAQI
5 AM8th Aug 2026766 AMAQI
8th Aug 2026767 AMAQI
8th Aug 2026768 AMAQI
8th Aug 2026749 AMAQI
8th Aug 20267410 AMAQI
8th Aug 20267711 AMAQI
8th Aug 20267212 PMAQI
12 PM8th Aug 2026841 PMAQI
8th Aug 2026922 PMAQI
8th Aug 2026863 PMAQI
8th Aug 2026894 PMAQI
8th Aug 2026845 PMAQI
8th Aug 2026826 PMAQI
8th Aug 2026697 PMAQI
8 PM
12 AM
4 AM
24°C16/32°C
Day time
Avg. Highest Time
5 AM - 6 PM
60AQI
14 hours / Day
420 hours / Month
Avg. Lowest Time
5 AM - 8 PM
60AQI
16 hours / Day
480 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 6 PM (Avg. 60), while the lowest AQI was between 5 AM to 8 PM (Avg. 60).
Night time
Avg. Highest Time
1 AM - 4 AM
57AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
12 AM
55AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 4 AM (Avg. 57), while the lowest AQI was between 12 AM to 12 AM (Avg. 55).
2026 Days Vs Air Quality
Lewiston, Idaho, United States
2026
88%
190
12%
26
Total number of days with different AQI categories in last 220 days in 2026 (145 days remaining)
Good
190 DaysModerate
26 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2026, 88% of 220 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
Lewiston, 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
49AQI (US)
49AQI (US)
2nd January 2026
36AQI (US)
36AQI (US)
3rd January 2026
23AQI (US)
23AQI (US)
4th January 2026
20AQI (US)
20AQI (US)
5th January 2026
22AQI (US)
22AQI (US)
6th January 2026
22AQI (US)
22AQI (US)
7th January 2026
24AQI (US)
24AQI (US)
8th January 2026
24AQI (US)
24AQI (US)
9th January 2026
20AQI (US)
20AQI (US)
10th January 2026
25AQI (US)
25AQI (US)
11th January 2026
20AQI (US)
20AQI (US)
12th January 2026
18AQI (US)
18AQI (US)
13th January 2026
28AQI (US)
28AQI (US)
14th January 2026
36AQI (US)
36AQI (US)
15th January 2026
45AQI (US)
45AQI (US)
16th January 2026
35AQI (US)
35AQI (US)
17th January 2026
19AQI (US)
19AQI (US)
18th January 2026
22AQI (US)
22AQI (US)
19th January 2026
17AQI (US)
17AQI (US)
20th January 2026
24AQI (US)
24AQI (US)
21st January 2026
25AQI (US)
25AQI (US)
22nd January 2026
51AQI (US)
51AQI (US)
23rd January 2026
54AQI (US)
54AQI (US)
24th January 2026
48AQI (US)
48AQI (US)
25th January 2026
47AQI (US)
47AQI (US)
26th January 2026
45AQI (US)
45AQI (US)
27th January 2026
39AQI (US)
39AQI (US)
28th January 2026
43AQI (US)
43AQI (US)
29th January 2026
49AQI (US)
49AQI (US)
30th January 2026
48AQI (US)
48AQI (US)
31st January 2026
40AQI (US)
40AQI (US)
1st February 2026
48AQI (US)
48AQI (US)
2nd February 2026
49AQI (US)
49AQI (US)
3rd February 2026
47AQI (US)
47AQI (US)
4th February 2026
44AQI (US)
44AQI (US)
5th February 2026
47AQI (US)
47AQI (US)
6th February 2026
38AQI (US)
38AQI (US)
7th February 2026
38AQI (US)
38AQI (US)
8th February 2026
43AQI (US)
43AQI (US)
9th February 2026
44AQI (US)
44AQI (US)
10th February 2026
43AQI (US)
43AQI (US)
11th February 2026
38AQI (US)
38AQI (US)
12th February 2026
39AQI (US)
39AQI (US)
13th February 2026
43AQI (US)
43AQI (US)
14th February 2026
42AQI (US)
42AQI (US)
15th February 2026
35AQI (US)
35AQI (US)
16th February 2026
42AQI (US)
42AQI (US)
17th February 2026
46AQI (US)
46AQI (US)
18th February 2026
40AQI (US)
40AQI (US)
19th February 2026
40AQI (US)
40AQI (US)
20th February 2026
39AQI (US)
39AQI (US)
21st February 2026
38AQI (US)
38AQI (US)
22nd February 2026
38AQI (US)
38AQI (US)
23rd February 2026
39AQI (US)
39AQI (US)
24th February 2026
48AQI (US)
48AQI (US)
25th February 2026
39AQI (US)
39AQI (US)
26th February 2026
32AQI (US)
32AQI (US)
27th February 2026
32AQI (US)
32AQI (US)
28th February 2026
34AQI (US)
34AQI (US)
1st March 2026
38AQI (US)
38AQI (US)
2nd March 2026
52AQI (US)
52AQI (US)
3rd March 2026
40AQI (US)
40AQI (US)
4th March 2026
46AQI (US)
46AQI (US)
5th March 2026
42AQI (US)
42AQI (US)
6th March 2026
31AQI (US)
31AQI (US)
7th March 2026
38AQI (US)
38AQI (US)
8th March 2026
38AQI (US)
38AQI (US)
9th March 2026
37AQI (US)
37AQI (US)
10th March 2026
34AQI (US)
34AQI (US)
11th March 2026
39AQI (US)
39AQI (US)
12th March 2026
40AQI (US)
40AQI (US)
13th March 2026
42AQI (US)
42AQI (US)
14th March 2026
34AQI (US)
34AQI (US)
15th March 2026
32AQI (US)
32AQI (US)
16th March 2026
32AQI (US)
32AQI (US)
17th March 2026
25AQI (US)
25AQI (US)
18th March 2026
28AQI (US)
28AQI (US)
19th March 2026
30AQI (US)
30AQI (US)
20th March 2026
40AQI (US)
40AQI (US)
21st March 2026
36AQI (US)
36AQI (US)
22nd March 2026
32AQI (US)
32AQI (US)
23rd March 2026
35AQI (US)
35AQI (US)
24th March 2026
36AQI (US)
36AQI (US)
25th March 2026
32AQI (US)
32AQI (US)
26th March 2026
32AQI (US)
32AQI (US)
27th March 2026
28AQI (US)
28AQI (US)
28th March 2026
29AQI (US)
29AQI (US)
29th March 2026
36AQI (US)
36AQI (US)
30th March 2026
28AQI (US)
28AQI (US)
31st March 2026
27AQI (US)
27AQI (US)
1st April 2026
31AQI (US)
31AQI (US)
2nd April 2026
32AQI (US)
32AQI (US)
3rd April 2026
27AQI (US)
27AQI (US)
4th April 2026
29AQI (US)
29AQI (US)
5th April 2026
27AQI (US)
27AQI (US)
6th April 2026
25AQI (US)
25AQI (US)
7th April 2026
26AQI (US)
26AQI (US)
8th April 2026
28AQI (US)
28AQI (US)
9th April 2026
27AQI (US)
27AQI (US)
10th April 2026
27AQI (US)
27AQI (US)
11th April 2026
28AQI (US)
28AQI (US)
12th April 2026
35AQI (US)
35AQI (US)
13th April 2026
37AQI (US)
37AQI (US)
14th April 2026
33AQI (US)
33AQI (US)
15th April 2026
32AQI (US)
32AQI (US)
16th April 2026
28AQI (US)
28AQI (US)
17th April 2026
18th April 2026
28AQI (US)
28AQI (US)
19th April 2026
32AQI (US)
32AQI (US)
20th April 2026
25AQI (US)
25AQI (US)
21st April 2026
24AQI (US)
24AQI (US)
22nd April 2026
23rd April 2026
24AQI (US)
24AQI (US)
24th April 2026
27AQI (US)
27AQI (US)
25th April 2026
28AQI (US)
28AQI (US)
26th April 2026
32AQI (US)
32AQI (US)
27th April 2026
27AQI (US)
27AQI (US)
28th April 2026
24AQI (US)
24AQI (US)
29th April 2026
25AQI (US)
25AQI (US)
30th April 2026
25AQI (US)
25AQI (US)
1st May 2026
24AQI (US)
24AQI (US)
2nd May 2026
23AQI (US)
23AQI (US)
3rd May 2026
22AQI (US)
22AQI (US)
4th May 2026
30AQI (US)
30AQI (US)
5th May 2026
32AQI (US)
32AQI (US)
6th May 2026
27AQI (US)
27AQI (US)
7th May 2026
25AQI (US)
25AQI (US)
8th May 2026
26AQI (US)
26AQI (US)
9th May 2026
10th May 2026
28AQI (US)
28AQI (US)
11th May 2026
24AQI (US)
24AQI (US)
12th May 2026
25AQI (US)
25AQI (US)
13th May 2026
28AQI (US)
28AQI (US)
14th May 2026
24AQI (US)
24AQI (US)
15th May 2026
43AQI (US)
43AQI (US)
16th May 2026
47AQI (US)
47AQI (US)
17th May 2026
51AQI (US)
51AQI (US)
18th May 2026
50AQI (US)
50AQI (US)
19th May 2026
47AQI (US)
47AQI (US)
20th May 2026
42AQI (US)
42AQI (US)
21st May 2026
37AQI (US)
37AQI (US)
22nd May 2026
41AQI (US)
41AQI (US)
23rd May 2026
42AQI (US)
42AQI (US)
24th May 2026
37AQI (US)
37AQI (US)
25th May 2026
36AQI (US)
36AQI (US)
26th May 2026
27AQI (US)
27AQI (US)
27th May 2026
28AQI (US)
28AQI (US)
28th May 2026
28AQI (US)
28AQI (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
31AQI (US)
31AQI (US)
2nd June 2026
31AQI (US)
31AQI (US)
3rd June 2026
30AQI (US)
30AQI (US)
4th June 2026
25AQI (US)
25AQI (US)
5th June 2026
27AQI (US)
27AQI (US)
6th June 2026
25AQI (US)
25AQI (US)
7th June 2026
24AQI (US)
24AQI (US)
8th June 2026
26AQI (US)
26AQI (US)
9th June 2026
26AQI (US)
26AQI (US)
10th June 2026
27AQI (US)
27AQI (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
27AQI (US)
27AQI (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
24AQI (US)
24AQI (US)
26th June 2026
27AQI (US)
27AQI (US)
27th June 2026
29AQI (US)
29AQI (US)
28th June 2026
27AQI (US)
27AQI (US)
29th June 2026
27AQI (US)
27AQI (US)
30th June 2026
31AQI (US)
31AQI (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
24AQI (US)
24AQI (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
32AQI (US)
32AQI (US)
11th July 2026
30AQI (US)
30AQI (US)
12th July 2026
28AQI (US)
28AQI (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
66AQI (US)
66AQI (US)
18th July 2026
59AQI (US)
59AQI (US)
19th July 2026
51AQI (US)
51AQI (US)
20th July 2026
54AQI (US)
54AQI (US)
21st July 2026
62AQI (US)
62AQI (US)
22nd July 2026
70AQI (US)
70AQI (US)
23rd July 2026
72AQI (US)
72AQI (US)
24th July 2026
69AQI (US)
69AQI (US)
25th July 2026
61AQI (US)
61AQI (US)
26th July 2026
64AQI (US)
64AQI (US)
27th July 2026
71AQI (US)
71AQI (US)
28th July 2026
71AQI (US)
71AQI (US)
29th July 2026
69AQI (US)
69AQI (US)
30th July 2026
66AQI (US)
66AQI (US)
31st July 2026
64AQI (US)
64AQI (US)
1st August 2026
68AQI (US)
68AQI (US)
2nd August 2026
60AQI (US)
60AQI (US)
3rd August 2026
73AQI (US)
73AQI (US)
4th August 2026
75AQI (US)
75AQI (US)
5th August 2026
76AQI (US)
76AQI (US)
6th August 2026
75AQI (US)
75AQI (US)
7th August 2026
84AQI (US)
84AQI (US)
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
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)
41AQI (US)
35AQI (US)
28AQI (US)
33AQI (US)
26AQI (US)
46AQI (US)
73AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202636AQI (US)
29
2
28
30
1
28
29
1
30
16
15
7
190
26
Highest AQI (US) recorded in
August73AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202530AQI (US)
29
2
28
31
30
31
30
31
22
9
18
12
29
2
27
3
30
1
336
29
Highest AQI (US) recorded in
September49AQI (US)
Lowest AQI (US) recorded in
May19AQI (US)
202430AQI (US)
28
3
28
1
31
30
31
30
18
13
22
9
23
4
3
31
26
4
31
329
34
3
Highest AQI (US) recorded in
July47AQI (US)
Lowest AQI (US) recorded in
May21AQI (US)
202329AQI (US)
28
3
27
1
31
30
25
3
29
1
31
22
8
1
30
28
3
23
4
31
335
23
1
Highest AQI (US) recorded in
August47AQI (US)
Lowest AQI (US) recorded in
December19AQI (US)
202228AQI (US)
27
2
22
28
30
31
30
23
1
2
14
8
3
4
24
7
23
7
28
3
281
29
3
4
Highest AQI (US) recorded in
September75AQI (US)
Lowest AQI (US) recorded in
May13AQI (US)
202132AQI (US)
26
4
28
31
30
31
30
10
18
3
18
9
2
2
23
5
2
31
26
2
31
315
38
7
2
Highest AQI (US) recorded in
July64AQI (US)
Lowest AQI (US) recorded in
May19AQI (US)
202034AQI (US)
13
20
18
30
31
28
3
13
10
5
2
18
12
23
4
26
5
220
34
5
2
Highest AQI (US) recorded in
September84AQI (US)
Lowest AQI (US) recorded in
June15AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2026(Avg.)
36AQI (US)Least Polluted Year Recorded
2022(Avg.)
28AQI (US)Lewiston's annual 2026 AQI (US) (36) shows an average percentage change of 18.5% (worsened AQI (US)) compared to previous years: 2020 (34), 2021 (32), 2022 (28), 2023 (29), 2024 (30), 2025 (30).
