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HistoryAQIPM2.5PM10COSO2NO2O3

Boise, 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

Boise, Idaho, United States

2021
2022
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
14th Aug 2021
158AQI
Lowest AQI recorded on
1st Aug 2022
34AQI

Same Day Analysis (1st August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 3rd highest AQI at 40 of Good air quality, showing improvement over 2024 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 1st Aug - 2nd Aug 2025

Boise, Idaho, United States

AQI
Day
Night
.

6 AM1st Aug 2025

9 PM

5 AM2nd Aug 2025

Day time
Avg. Highest Time
10AM1st Aug

42AQI

Avg. Lowest Time
6PM1st Aug

24AQI

Night time
Avg. Highest Time
5AM2nd Aug

36AQI

Avg. Lowest Time
10PM1st Aug

28AQI

In the last 24 hours,

Boise's AQI reached its highest point of 42 at 10 AM during the Day, while the lowest point, 24, was recorded at 6 PM during the Day between 1st Aug and 2nd Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Boise, Idaho, United States

JulAug
03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd
Day
Night
3rd Jul 2025426 AMAQI
3rd Jul 2025427 AMAQI
3rd Jul 2025428 AMAQI
3rd Jul 2025429 AMAQI
3rd Jul 20253810 AMAQI
3rd Jul 20254311 AMAQI
3rd Jul 20254412 PMAQI
3rd Jul 2025481 PMAQI
3rd Jul 2025472 PMAQI
3rd Jul 2025433 PMAQI
3rd Jul 2025444 PMAQI
3rd Jul 2025425 PMAQI
3rd Jul 2025406 PMAQI
3rd Jul 2025467 PMAQI
3rd Jul 2025448 PMAQI
3rd Jul 2025429 PMAQI
3rd Jul 20254110 PMAQI
3rd Jul 20254311 PMAQI
4th Jul 20255012 AMAQI
4th Jul 2025471 AMAQI
4th Jul 2025442 AMAQI
4th Jul 2025393 AMAQI
4th Jul 2025374 AMAQI
4th Jul 2025405 AMAQI

26°C17/34°C

4th Jul 2025416 AMAQI
4th Jul 2025377 AMAQI
4th Jul 2025388 AMAQI
4th Jul 2025389 AMAQI
4th Jul 20253810 AMAQI
4th Jul 20253611 AMAQI
4th Jul 20253712 PMAQI
4th Jul 2025361 PMAQI
4th Jul 2025402 PMAQI
4th Jul 2025373 PMAQI
4th Jul 2025374 PMAQI
4th Jul 2025365 PMAQI
4th Jul 2025336 PMAQI
4th Jul 2025387 PMAQI
4th Jul 2025448 PMAQI
4th Jul 2025429 PMAQI
4th Jul 20254210 PMAQI
4th Jul 20254511 PMAQI
5th Jul 20255212 AMAQI
5th Jul 2025581 AMAQI
5th Jul 2025582 AMAQI
5th Jul 2025553 AMAQI
5th Jul 2025564 AMAQI
5th Jul 2025545 AMAQI

21°C15/29°C

5th Jul 2025536 AMAQI
5th Jul 2025537 AMAQI
5th Jul 2025538 AMAQI
5th Jul 2025529 AMAQI
5th Jul 20255010 AMAQI
5th Jul 20254911 AMAQI
5th Jul 20254812 PMAQI
5th Jul 2025501 PMAQI
5th Jul 2025482 PMAQI
5th Jul 2025523 PMAQI
5th Jul 2025504 PMAQI
5th Jul 2025495 PMAQI
5th Jul 2025486 PMAQI
5th Jul 2025487 PMAQI
5th Jul 2025518 PMAQI
5th Jul 2025469 PMAQI
5th Jul 20254610 PMAQI
5th Jul 20254811 PMAQI
6th Jul 20255012 AMAQI
6th Jul 2025511 AMAQI
6th Jul 2025532 AMAQI
6th Jul 2025533 AMAQI
6th Jul 2025524 AMAQI
6th Jul 2025535 AMAQI

21°C13/28°C

6th Jul 2025526 AMAQI
6th Jul 2025497 AMAQI
6th Jul 2025498 AMAQI
6th Jul 2025479 AMAQI
6th Jul 20254810 AMAQI
6th Jul 20254311 AMAQI
6th Jul 20254512 PMAQI
6th Jul 2025411 PMAQI
6th Jul 2025472 PMAQI
6th Jul 2025413 PMAQI
6th Jul 2025404 PMAQI
6th Jul 2025385 PMAQI
6th Jul 2025396 PMAQI
6th Jul 2025497 PMAQI
6th Jul 2025488 PMAQI
6th Jul 2025449 PMAQI
6th Jul 20254410 PMAQI
6th Jul 20254411 PMAQI
7th Jul 20254512 AMAQI
7th Jul 2025411 AMAQI
7th Jul 2025462 AMAQI
7th Jul 2025443 AMAQI
7th Jul 2025374 AMAQI
7th Jul 2025365 AMAQI

23°C16/31°C

7th Jul 2025366 AMAQI
7th Jul 2025367 AMAQI
7th Jul 2025368 AMAQI
7th Jul 2025359 AMAQI
7th Jul 20253410 AMAQI
7th Jul 20254011 AMAQI
7th Jul 20254112 PMAQI
7th Jul 2025401 PMAQI
7th Jul 2025422 PMAQI
7th Jul 2025383 PMAQI
7th Jul 2025374 PMAQI
7th Jul 2025385 PMAQI
7th Jul 2025356 PMAQI
7th Jul 2025337 PMAQI
7th Jul 2025398 PMAQI
7th Jul 2025449 PMAQI
7th Jul 20254210 PMAQI
7th Jul 20254011 PMAQI
8th Jul 20253912 AMAQI
8th Jul 2025401 AMAQI
8th Jul 2025402 AMAQI
8th Jul 2025403 AMAQI
8th Jul 2025404 AMAQI
8th Jul 2025415 AMAQI

25°C15/35°C

8th Jul 2025386 AMAQI
8th Jul 2025387 AMAQI
8th Jul 2025398 AMAQI
8th Jul 2025389 AMAQI
8th Jul 20253810 AMAQI
8th Jul 20253811 AMAQI
8th Jul 20254012 PMAQI
8th Jul 2025411 PMAQI
8th Jul 2025432 PMAQI
8th Jul 2025363 PMAQI
8th Jul 2025364 PMAQI
8th Jul 2025385 PMAQI
8th Jul 2025386 PMAQI
8th Jul 2025347 PMAQI
8th Jul 2025368 PMAQI
8th Jul 2025409 PMAQI
8th Jul 20254610 PMAQI
8th Jul 20254411 PMAQI
9th Jul 20254212 AMAQI
9th Jul 2025441 AMAQI
9th Jul 2025452 AMAQI
9th Jul 2025443 AMAQI
9th Jul 2025464 AMAQI
9th Jul 2025405 AMAQI

29°C17/38°C

9th Jul 2025426 AMAQI
9th Jul 2025417 AMAQI
9th Jul 2025438 AMAQI
9th Jul 2025409 AMAQI
9th Jul 20254010 AMAQI
9th Jul 20253911 AMAQI
9th Jul 20254212 PMAQI
9th Jul 2025411 PMAQI
9th Jul 2025432 PMAQI
9th Jul 2025403 PMAQI
9th Jul 2025394 PMAQI
9th Jul 2025405 PMAQI
9th Jul 2025386 PMAQI
9th Jul 2025447 PMAQI
9th Jul 2025458 PMAQI
9th Jul 2025469 PMAQI
9th Jul 20255110 PMAQI
9th Jul 20254611 PMAQI
10th Jul 20254512 AMAQI
10th Jul 2025471 AMAQI
10th Jul 2025472 AMAQI
10th Jul 2025433 AMAQI
10th Jul 2025404 AMAQI
10th Jul 2025395 AMAQI

27°C19/35°C

10th Jul 2025406 AMAQI
10th Jul 2025367 AMAQI
10th Jul 2025368 AMAQI
10th Jul 2025359 AMAQI
10th Jul 20253610 AMAQI
10th Jul 20253511 AMAQI
10th Jul 20253512 PMAQI
10th Jul 2025341 PMAQI
10th Jul 2025402 PMAQI
10th Jul 2025353 PMAQI
10th Jul 2025344 PMAQI
10th Jul 2025365 PMAQI
10th Jul 2025366 PMAQI
10th Jul 2025397 PMAQI
10th Jul 2025408 PMAQI
10th Jul 2025409 PMAQI
10th Jul 20254110 PMAQI
10th Jul 20254311 PMAQI
11th Jul 20254012 AMAQI
11th Jul 2025441 AMAQI
11th Jul 2025402 AMAQI
11th Jul 2025333 AMAQI
11th Jul 2025314 AMAQI
11th Jul 2025345 AMAQI

23°C14/31°C

11th Jul 2025376 AMAQI
11th Jul 2025367 AMAQI
11th Jul 2025368 AMAQI
11th Jul 2025389 AMAQI
11th Jul 20253810 AMAQI
11th Jul 20253811 AMAQI
11th Jul 20253612 PMAQI
11th Jul 2025381 PMAQI
11th Jul 2025392 PMAQI
11th Jul 2025363 PMAQI
11th Jul 2025354 PMAQI
11th Jul 2025325 PMAQI
11th Jul 2025346 PMAQI
11th Jul 2025377 PMAQI
11th Jul 2025428 PMAQI
11th Jul 2025429 PMAQI
11th Jul 20254010 PMAQI
11th Jul 20254411 PMAQI
12th Jul 20254512 AMAQI
12th Jul 2025481 AMAQI
12th Jul 2025462 AMAQI
12th Jul 2025413 AMAQI
12th Jul 2025424 AMAQI
12th Jul 2025385 AMAQI

24°C18/32°C

12th Jul 2025466 AMAQI
12th Jul 2025417 AMAQI
12th Jul 2025428 AMAQI
12th Jul 2025419 AMAQI
12th Jul 20253810 AMAQI
12th Jul 20254211 AMAQI
12th Jul 20254212 PMAQI
12th Jul 2025411 PMAQI
12th Jul 2025432 PMAQI
12th Jul 2025423 PMAQI
12th Jul 2025384 PMAQI
12th Jul 2025395 PMAQI
12th Jul 2025386 PMAQI
12th Jul 2025447 PMAQI
12th Jul 2025498 PMAQI
12th Jul 2025469 PMAQI
12th Jul 20254210 PMAQI
12th Jul 20254211 PMAQI
13th Jul 20254312 AMAQI
13th Jul 2025491 AMAQI
13th Jul 2025522 AMAQI
13th Jul 2025523 AMAQI
13th Jul 2025524 AMAQI
13th Jul 2025535 AMAQI

26°C16/34°C

13th Jul 2025526 AMAQI
13th Jul 2025517 AMAQI
13th Jul 2025478 AMAQI
13th Jul 2025439 AMAQI
13th Jul 20254410 AMAQI
13th Jul 20254411 AMAQI
13th Jul 20254612 PMAQI
13th Jul 2025421 PMAQI
13th Jul 2025422 PMAQI
13th Jul 2025433 PMAQI
13th Jul 2025454 PMAQI
13th Jul 2025445 PMAQI
13th Jul 2025426 PMAQI
13th Jul 2025487 PMAQI
13th Jul 2025488 PMAQI
13th Jul 2025469 PMAQI
13th Jul 20254510 PMAQI
13th Jul 20254611 PMAQI
14th Jul 20254912 AMAQI
14th Jul 2025501 AMAQI
14th Jul 2025512 AMAQI
14th Jul 2025453 AMAQI
14th Jul 2025464 AMAQI
14th Jul 2025395 AMAQI

28°C17/36°C

14th Jul 2025446 AMAQI
14th Jul 2025447 AMAQI
14th Jul 2025448 AMAQI
14th Jul 2025459 AMAQI
14th Jul 20254510 AMAQI
14th Jul 20254511 AMAQI
14th Jul 20253912 PMAQI
14th Jul 2025401 PMAQI
14th Jul 2025372 PMAQI
14th Jul 2025403 PMAQI
14th Jul 2025384 PMAQI
14th Jul 2025395 PMAQI
14th Jul 2025386 PMAQI
14th Jul 2025407 PMAQI
14th Jul 2025378 PMAQI
14th Jul 2025349 PMAQI
14th Jul 20253310 PMAQI
14th Jul 20253211 PMAQI
15th Jul 20253412 AMAQI
15th Jul 2025371 AMAQI
15th Jul 2025382 AMAQI
15th Jul 2025313 AMAQI
15th Jul 2025274 AMAQI
15th Jul 2025285 AMAQI

29°C18/37°C

15th Jul 2025266 AMAQI
15th Jul 2025267 AMAQI
15th Jul 2025268 AMAQI
15th Jul 2025289 AMAQI
15th Jul 20253110 AMAQI
15th Jul 20253711 AMAQI
15th Jul 20253612 PMAQI
15th Jul 2025381 PMAQI
15th Jul 2025352 PMAQI
15th Jul 2025323 PMAQI
15th Jul 2025324 PMAQI
15th Jul 2025325 PMAQI
15th Jul 2025286 PMAQI
15th Jul 2025307 PMAQI
15th Jul 2025318 PMAQI
15th Jul 2025289 PMAQI
15th Jul 20252910 PMAQI
15th Jul 20253611 PMAQI
16th Jul 20254012 AMAQI
16th Jul 2025391 AMAQI
16th Jul 2025362 AMAQI
16th Jul 2025323 AMAQI
16th Jul 2025294 AMAQI
16th Jul 2025285 AMAQI

27°C20/32°C

16th Jul 2025286 AMAQI
16th Jul 2025297 AMAQI
16th Jul 2025348 AMAQI
16th Jul 2025279 AMAQI
16th Jul 20253010 AMAQI
16th Jul 20253211 AMAQI
16th Jul 20253312 PMAQI
16th Jul 2025331 PMAQI
16th Jul 2025302 PMAQI
16th Jul 2025323 PMAQI
16th Jul 2025304 PMAQI
16th Jul 2025285 PMAQI
16th Jul 2025306 PMAQI
16th Jul 2025317 PMAQI
16th Jul 2025308 PMAQI
16th Jul 2025309 PMAQI
16th Jul 20253010 PMAQI
16th Jul 20252811 PMAQI
17th Jul 20252812 AMAQI
17th Jul 2025311 AMAQI
17th Jul 2025322 AMAQI
17th Jul 2025323 AMAQI
17th Jul 2025374 AMAQI
17th Jul 2025335 AMAQI

25°C17/32°C

17th Jul 2025346 AMAQI
17th Jul 2025387 AMAQI
17th Jul 2025378 AMAQI
17th Jul 2025349 AMAQI
17th Jul 20253510 AMAQI
17th Jul 20253811 AMAQI
17th Jul 20253212 PMAQI
17th Jul 2025321 PMAQI
17th Jul 2025342 PMAQI
17th Jul 2025383 PMAQI
17th Jul 2025384 PMAQI
17th Jul 2025405 PMAQI
17th Jul 2025406 PMAQI
17th Jul 2025357 PMAQI
17th Jul 2025368 PMAQI
17th Jul 2025479 PMAQI
17th Jul 20254510 PMAQI
17th Jul 20254811 PMAQI
18th Jul 20254812 AMAQI
18th Jul 2025501 AMAQI
18th Jul 2025542 AMAQI
18th Jul 2025593 AMAQI
18th Jul 2025584 AMAQI
18th Jul 2025555 AMAQI

27°C16/36°C

18th Jul 2025536 AMAQI
18th Jul 2025517 AMAQI
18th Jul 2025468 AMAQI
18th Jul 2025459 AMAQI
18th Jul 20254410 AMAQI
18th Jul 20254511 AMAQI
18th Jul 20254812 PMAQI
18th Jul 2025461 PMAQI
18th Jul 2025482 PMAQI
18th Jul 2025493 PMAQI
18th Jul 2025514 PMAQI
18th Jul 2025525 PMAQI
18th Jul 2025476 PMAQI
18th Jul 2025507 PMAQI
18th Jul 2025498 PMAQI
18th Jul 2025449 PMAQI
18th Jul 20254410 PMAQI
18th Jul 20254711 PMAQI
19th Jul 20254812 AMAQI
19th Jul 2025501 AMAQI
19th Jul 2025482 AMAQI
19th Jul 2025433 AMAQI
19th Jul 2025394 AMAQI
19th Jul 2025365 AMAQI

28°C19/36°C

19th Jul 2025406 AMAQI
19th Jul 2025407 AMAQI
19th Jul 2025448 AMAQI
19th Jul 2025479 AMAQI
19th Jul 20254910 AMAQI
19th Jul 20255011 AMAQI
19th Jul 20254512 PMAQI
19th Jul 2025421 PMAQI
19th Jul 2025392 PMAQI
19th Jul 2025403 PMAQI
19th Jul 2025394 PMAQI
19th Jul 2025365 PMAQI
19th Jul 2025346 PMAQI
19th Jul 2025397 PMAQI
19th Jul 2025418 PMAQI
19th Jul 2025309 PMAQI
19th Jul 20253210 PMAQI
19th Jul 20253111 PMAQI
20th Jul 20253412 AMAQI
20th Jul 2025371 AMAQI
20th Jul 2025362 AMAQI
20th Jul 2025273 AMAQI
20th Jul 2025264 AMAQI
20th Jul 2025235 AMAQI

26°C19/31°C

20th Jul 2025266 AMAQI
20th Jul 2025277 AMAQI
20th Jul 2025308 AMAQI
20th Jul 2025329 AMAQI
20th Jul 20253710 AMAQI
20th Jul 20253711 AMAQI
20th Jul 20253812 PMAQI
20th Jul 2025371 PMAQI
20th Jul 2025322 PMAQI
20th Jul 2025323 PMAQI
20th Jul 2025324 PMAQI
20th Jul 2025335 PMAQI
20th Jul 2025306 PMAQI
20th Jul 2025297 PMAQI
20th Jul 2025288 PMAQI
20th Jul 2025259 PMAQI
20th Jul 20252710 PMAQI
20th Jul 20252911 PMAQI
21st Jul 20253012 AMAQI
21st Jul 2025311 AMAQI
21st Jul 2025292 AMAQI
21st Jul 2025223 AMAQI
21st Jul 2025214 AMAQI
21st Jul 2025225 AMAQI

25°C18/30°C

21st Jul 2025226 AMAQI
21st Jul 2025227 AMAQI
21st Jul 2025218 AMAQI
21st Jul 2025229 AMAQI
21st Jul 20252210 AMAQI
21st Jul 20252211 AMAQI
21st Jul 20253312 PMAQI
21st Jul 2025371 PMAQI
21st Jul 2025312 PMAQI
21st Jul 2025263 PMAQI
21st Jul 2025254 PMAQI
21st Jul 2025245 PMAQI
21st Jul 2025226 PMAQI
21st Jul 2025247 PMAQI
21st Jul 2025248 PMAQI
21st Jul 2025229 PMAQI
21st Jul 20252210 PMAQI
21st Jul 20252311 PMAQI
22nd Jul 20252412 AMAQI
22nd Jul 2025241 AMAQI
22nd Jul 2025262 AMAQI
22nd Jul 2025263 AMAQI
22nd Jul 2025274 AMAQI
22nd Jul 2025255 AMAQI

21°C16/25°C

22nd Jul 2025296 AMAQI
22nd Jul 2025327 AMAQI
22nd Jul 2025298 AMAQI
22nd Jul 2025359 AMAQI
22nd Jul 20253210 AMAQI
22nd Jul 20253111 AMAQI
22nd Jul 20253412 PMAQI
22nd Jul 2025341 PMAQI
22nd Jul 2025322 PMAQI
22nd Jul 2025323 PMAQI
22nd Jul 2025294 PMAQI
22nd Jul 2025295 PMAQI
22nd Jul 2025306 PMAQI
22nd Jul 2025267 PMAQI
22nd Jul 2025268 PMAQI
22nd Jul 2025239 PMAQI
22nd Jul 20252510 PMAQI
22nd Jul 20252611 PMAQI
23rd Jul 20252812 AMAQI
23rd Jul 2025281 AMAQI
23rd Jul 2025292 AMAQI
23rd Jul 2025253 AMAQI
23rd Jul 2025254 AMAQI
23rd Jul 2025325 AMAQI

23°C14/30°C

23rd Jul 2025346 AMAQI
23rd Jul 2025367 AMAQI
23rd Jul 2025358 AMAQI
23rd Jul 2025359 AMAQI
23rd Jul 20253210 AMAQI
23rd Jul 20254011 AMAQI
23rd Jul 20253812 PMAQI
23rd Jul 2025391 PMAQI
23rd Jul 2025362 PMAQI
23rd Jul 2025323 PMAQI
23rd Jul 2025324 PMAQI
23rd Jul 2025315 PMAQI
23rd Jul 2025276 PMAQI
23rd Jul 2025297 PMAQI
23rd Jul 2025288 PMAQI
23rd Jul 2025259 PMAQI
23rd Jul 20252210 PMAQI
23rd Jul 20252511 PMAQI
24th Jul 20252912 AMAQI
24th Jul 2025351 AMAQI
24th Jul 2025342 AMAQI
24th Jul 2025363 AMAQI
24th Jul 2025284 AMAQI
24th Jul 2025325 AMAQI

25°C17/32°C

24th Jul 2025306 AMAQI
24th Jul 2025347 AMAQI
24th Jul 2025318 AMAQI
24th Jul 2025329 AMAQI
24th Jul 20252910 AMAQI
24th Jul 20253611 AMAQI
24th Jul 20253812 PMAQI
24th Jul 2025371 PMAQI
24th Jul 2025382 PMAQI
24th Jul 2025353 PMAQI
24th Jul 2025324 PMAQI
24th Jul 2025305 PMAQI
24th Jul 2025276 PMAQI
24th Jul 2025317 PMAQI
24th Jul 2025318 PMAQI
24th Jul 2025279 PMAQI
24th Jul 20252810 PMAQI
24th Jul 20252911 PMAQI
25th Jul 20253212 AMAQI
25th Jul 2025331 AMAQI
25th Jul 2025342 AMAQI
25th Jul 2025313 AMAQI
25th Jul 2025344 AMAQI
25th Jul 2025325 AMAQI

26°C17/34°C

25th Jul 2025266 AMAQI
25th Jul 2025297 AMAQI
25th Jul 2025308 AMAQI
25th Jul 2025329 AMAQI
25th Jul 20253210 AMAQI
25th Jul 20253411 AMAQI
25th Jul 20253912 PMAQI
25th Jul 2025361 PMAQI
25th Jul 2025322 PMAQI
25th Jul 2025313 PMAQI
25th Jul 2025314 PMAQI
25th Jul 2025285 PMAQI
25th Jul 2025276 PMAQI
25th Jul 2025327 PMAQI
25th Jul 2025318 PMAQI
25th Jul 2025269 PMAQI
25th Jul 20252610 PMAQI
25th Jul 20252711 PMAQI
26th Jul 20252712 AMAQI
26th Jul 2025301 AMAQI
26th Jul 2025342 AMAQI
26th Jul 2025403 AMAQI
26th Jul 2025344 AMAQI
26th Jul 2025335 AMAQI

27°C18/34°C

26th Jul 2025266 AMAQI
26th Jul 2025257 AMAQI
26th Jul 2025238 AMAQI
26th Jul 2025259 AMAQI
26th Jul 20252110 AMAQI
26th Jul 20252011 AMAQI
26th Jul 20252012 PMAQI
26th Jul 2025191 PMAQI
26th Jul 2025192 PMAQI
26th Jul 2025223 PMAQI
26th Jul 2025244 PMAQI
26th Jul 2025265 PMAQI
26th Jul 2025286 PMAQI
26th Jul 2025307 PMAQI
26th Jul 2025288 PMAQI
26th Jul 2025429 PMAQI
26th Jul 20255310 PMAQI
26th Jul 20254811 PMAQI
27th Jul 20254912 AMAQI
27th Jul 2025401 AMAQI
27th Jul 2025342 AMAQI
27th Jul 2025243 AMAQI
27th Jul 2025204 AMAQI
27th Jul 2025205 AMAQI

26°C16/34°C

27th Jul 2025246 AMAQI
27th Jul 2025227 AMAQI
27th Jul 2025248 AMAQI
27th Jul 2025299 AMAQI
27th Jul 20252610 AMAQI
27th Jul 20252111 AMAQI
27th Jul 20252312 PMAQI
27th Jul 2025241 PMAQI
27th Jul 2025232 PMAQI
27th Jul 2025243 PMAQI
27th Jul 2025244 PMAQI
27th Jul 2025235 PMAQI
27th Jul 2025226 PMAQI
27th Jul 2025247 PMAQI
27th Jul 2025268 PMAQI
27th Jul 2025259 PMAQI
27th Jul 20252610 PMAQI
27th Jul 20252811 PMAQI
28th Jul 20253012 AMAQI
28th Jul 2025291 AMAQI
28th Jul 2025272 AMAQI
28th Jul 2025253 AMAQI
28th Jul 2025294 AMAQI
28th Jul 2025325 AMAQI

26°C16/34°C

28th Jul 2025286 AMAQI
28th Jul 2025277 AMAQI
28th Jul 2025318 AMAQI
28th Jul 2025329 AMAQI
28th Jul 20253110 AMAQI
28th Jul 20253711 AMAQI
28th Jul 20253312 PMAQI
28th Jul 2025321 PMAQI
28th Jul 2025312 PMAQI
28th Jul 2025323 PMAQI
28th Jul 2025324 PMAQI
28th Jul 2025315 PMAQI
28th Jul 2025286 PMAQI
28th Jul 2025297 PMAQI
28th Jul 2025308 PMAQI
28th Jul 2025319 PMAQI
28th Jul 20253210 PMAQI
28th Jul 20253211 PMAQI
29th Jul 20253012 AMAQI
29th Jul 2025291 AMAQI
29th Jul 2025282 AMAQI
29th Jul 2025223 AMAQI
29th Jul 2025244 AMAQI
29th Jul 2025185 AMAQI

27°C19/36°C

29th Jul 2025196 AMAQI
29th Jul 2025207 AMAQI
29th Jul 2025228 AMAQI
29th Jul 2025209 AMAQI
29th Jul 20252110 AMAQI
29th Jul 20252411 AMAQI
29th Jul 20252612 PMAQI
29th Jul 2025321 PMAQI
29th Jul 2025322 PMAQI
29th Jul 2025303 PMAQI
29th Jul 2025284 PMAQI
29th Jul 2025315 PMAQI
29th Jul 2025306 PMAQI
29th Jul 2025287 PMAQI
29th Jul 2025278 PMAQI
29th Jul 2025249 PMAQI
29th Jul 20252210 PMAQI
29th Jul 20252211 PMAQI
30th Jul 20252212 AMAQI
30th Jul 2025221 AMAQI
30th Jul 2025302 AMAQI
30th Jul 2025333 AMAQI
30th Jul 2025304 AMAQI
30th Jul 2025285 AMAQI

25°C19/33°C

30th Jul 2025286 AMAQI
30th Jul 2025267 AMAQI
30th Jul 2025288 AMAQI
30th Jul 2025339 AMAQI
30th Jul 20254010 AMAQI
30th Jul 20254911 AMAQI
30th Jul 20254412 PMAQI
30th Jul 2025401 PMAQI
30th Jul 2025372 PMAQI
30th Jul 2025373 PMAQI
30th Jul 2025374 PMAQI
30th Jul 2025375 PMAQI
30th Jul 2025376 PMAQI
30th Jul 2025377 PMAQI
30th Jul 2025378 PMAQI
30th Jul 2025339 PMAQI
30th Jul 20252910 PMAQI
30th Jul 20253211 PMAQI
31st Jul 20252912 AMAQI
31st Jul 2025391 AMAQI
31st Jul 2025652 AMAQI
31st Jul 2025793 AMAQI
31st Jul 2025884 AMAQI
31st Jul 2025665 AMAQI

27°C18/35°C

31st Jul 2025576 AMAQI
31st Jul 2025547 AMAQI
31st Jul 2025528 AMAQI
31st Jul 2025489 AMAQI
31st Jul 20254610 AMAQI
31st Jul 20254611 AMAQI
31st Jul 20254812 PMAQI
31st Jul 2025461 PMAQI
31st Jul 2025442 PMAQI
31st Jul 2025433 PMAQI
31st Jul 2025394 PMAQI
31st Jul 2025335 PMAQI
31st Jul 2025306 PMAQI
31st Jul 2025457 PMAQI
31st Jul 2025408 PMAQI
31st Jul 2025349 PMAQI
31st Jul 20253610 PMAQI
31st Jul 20254511 PMAQI
1st Aug 20255212 AMAQI
1st Aug 2025581 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025503 AMAQI
1st Aug 2025424 AMAQI
1st Aug 2025375 AMAQI

28°C20/35°C

1st Aug 2025316 AMAQI
1st Aug 2025317 AMAQI
1st Aug 2025358 AMAQI
1st Aug 2025379 AMAQI
1st Aug 20254210 AMAQI
1st Aug 20254111 AMAQI
1st Aug 20253712 PMAQI
1st Aug 2025411 PMAQI
1st Aug 2025352 PMAQI
1st Aug 2025303 PMAQI
1st Aug 2025294 PMAQI
1st Aug 2025265 PMAQI
1st Aug 2025246 PMAQI
1st Aug 2025367 PMAQI
1st Aug 2025308 PMAQI
1st Aug 2025269 PMAQI
1st Aug 20252810 PMAQI
1st Aug 20253011 PMAQI
2nd Aug 20253212 AMAQI
2nd Aug 2025311 AMAQI
2nd Aug 2025302 AMAQI
2nd Aug 2025323 AMAQI
2nd Aug 2025344 AMAQI
2nd Aug 2025365 AMAQI

25°C19/32°C

2nd Aug 2025326 AMAQI
6 AM
2nd Aug 2025347 AMAQI
2nd Aug 2025358 AMAQI
2nd Aug 2025369 AMAQI
2nd Aug 20253410 AMAQI
2nd Aug 20253311 AMAQI
2nd Aug 20253412 PMAQI
2nd Aug 2025381 PMAQI
1 PM
2nd Aug 2025342 PMAQI
2nd Aug 2025303 PMAQI
9 PM
1 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
11 AM - 5 PM

37AQI

7 hours / Day
210 hours / Month
Avg. Lowest Time
6 PM

33AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 5 PM (Avg. 37), while the lowest AQI was between 6 PM to 6 PM (Avg. 33).
Night time
Avg. Highest Time
12 AM - 4 AM

39AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
5 AM - 11 PM

36AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 39), while the lowest AQI was between 5 AM to 11 PM (Avg. 36).

2025 Days Vs Air Quality

Boise, Idaho, United States

2025

63%

134

37%

79

Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)

Good
134 Days
Moderate
79 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 63%

Health Risk Level:

Moderate

In 2025, 63% of 214 days were within WHO’s safe air quality limits, and 37% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.

Annual Air Quality Insights

Boise, Idaho, United States

AQI levels in 2025

AQI
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.

1st January 2025
40AQI
2nd January 2025
63AQI
3rd January 2025
58AQI
4th January 2025
56AQI
5th January 2025
54AQI
6th January 2025
56AQI
7th January 2025
54AQI
8th January 2025
54AQI
9th January 2025
56AQI
10th January 2025
56AQI
11th January 2025
58AQI
12th January 2025
53AQI
13th January 2025
55AQI
14th January 2025
56AQI
15th January 2025
55AQI
16th January 2025
56AQI
17th January 2025
62AQI
18th January 2025
63AQI
19th January 2025
62AQI
20th January 2025
64AQI
21st January 2025
61AQI
22nd January 2025
59AQI
23rd January 2025
56AQI
24th January 2025
57AQI
25th January 2025
54AQI
26th January 2025
56AQI
27th January 2025
57AQI
28th January 2025
59AQI
29th January 2025
61AQI
30th January 2025
61AQI
31st January 2025
59AQI
1st February 2025
57AQI
2nd February 2025
57AQI
3rd February 2025
56AQI
4th February 2025
56AQI
5th February 2025
52AQI
6th February 2025
51AQI
7th February 2025
50AQI
8th February 2025
52AQI
9th February 2025
57AQI
10th February 2025
57AQI
11th February 2025
53AQI
12th February 2025
55AQI
13th February 2025
53AQI
14th February 2025
64AQI
15th February 2025
63AQI
16th February 2025
52AQI
17th February 2025
56AQI
18th February 2025
55AQI
19th February 2025
53AQI
20th February 2025
54AQI
21st February 2025
59AQI
22nd February 2025
56AQI
23rd February 2025
55AQI
24th February 2025
55AQI
25th February 2025
53AQI
26th February 2025
55AQI
27th February 2025
52AQI
28th February 2025
54AQI
1st March 2025
52AQI
2nd March 2025
57AQI
3rd March 2025
56AQI
4th March 2025
54AQI
5th March 2025
57AQI
6th March 2025
53AQI
7th March 2025
53AQI
8th March 2025
55AQI
9th March 2025
52AQI
10th March 2025
52AQI
11th March 2025
56AQI
12th March 2025
57AQI
13th March 2025
51AQI
14th March 2025
53AQI
15th March 2025
52AQI
16th March 2025
52AQI
17th March 2025
56AQI
18th March 2025
50AQI
19th March 2025
54AQI
20th March 2025
46AQI
21st March 2025
51AQI
22nd March 2025
51AQI
23rd March 2025
55AQI
24th March 2025
49AQI
25th March 2025
37AQI
26th March 2025
36AQI
27th March 2025
40AQI
28th March 2025
42AQI
29th March 2025
36AQI
30th March 2025
38AQI
31st March 2025
37AQI
1st April 2025
35AQI
2nd April 2025
39AQI
3rd April 2025
39AQI
4th April 2025
36AQI
5th April 2025
33AQI
6th April 2025
37AQI
7th April 2025
31AQI
8th April 2025
30AQI
9th April 2025
39AQI
10th April 2025
48AQI
11th April 2025
44AQI
12th April 2025
38AQI
13th April 2025
35AQI
14th April 2025
36AQI
15th April 2025
37AQI
16th April 2025
38AQI
17th April 2025
36AQI
18th April 2025
27AQI
19th April 2025
32AQI
20th April 2025
39AQI
21st April 2025
25AQI
22nd April 2025
29AQI
23rd April 2025
32AQI
24th April 2025
36AQI
25th April 2025
37AQI
26th April 2025
39AQI
27th April 2025
32AQI
28th April 2025
35AQI
29th April 2025
37AQI
30th April 2025
36AQI
1st May 2025
42AQI
2nd May 2025
36AQI
3rd May 2025
40AQI
4th May 2025
27AQI
5th May 2025
28AQI
6th May 2025
28AQI
7th May 2025
31AQI
8th May 2025
32AQI
9th May 2025
34AQI
10th May 2025
34AQI
11th May 2025
36AQI
12th May 2025
31AQI
13th May 2025
24AQI
14th May 2025
25AQI
15th May 2025
25AQI
16th May 2025
27AQI
17th May 2025
31AQI
18th May 2025
26AQI
19th May 2025
28AQI
20th May 2025
27AQI
21st May 2025
26AQI
22nd May 2025
33AQI
23rd May 2025
34AQI
24th May 2025
38AQI
25th May 2025
37AQI
26th May 2025
34AQI
27th May 2025
30AQI
28th May 2025
37AQI
29th May 2025
41AQI
30th May 2025
33AQI
31st May 2025
38AQI
1st June 2025
37AQI
2nd June 2025
24AQI
3rd June 2025
25AQI
4th June 2025
27AQI
5th June 2025
30AQI
6th June 2025
34AQI
7th June 2025
38AQI
8th June 2025
38AQI
9th June 2025
42AQI
10th June 2025
46AQI
11th June 2025
48AQI
12th June 2025
42AQI
13th June 2025
44AQI
14th June 2025
37AQI
15th June 2025
39AQI
16th June 2025
39AQI
17th June 2025
38AQI
18th June 2025
43AQI
19th June 2025
39AQI
20th June 2025
37AQI
21st June 2025
32AQI
22nd June 2025
31AQI
23rd June 2025
36AQI
24th June 2025
39AQI
25th June 2025
40AQI
26th June 2025
41AQI
27th June 2025
40AQI
28th June 2025
32AQI
29th June 2025
34AQI
30th June 2025
37AQI
1st July 2025
45AQI
2nd July 2025
48AQI
3rd July 2025
45AQI
4th July 2025
40AQI
5th July 2025
51AQI
6th July 2025
47AQI
7th July 2025
39AQI
8th July 2025
39AQI
9th July 2025
43AQI
10th July 2025
39AQI
11th July 2025
37AQI
12th July 2025
43AQI
13th July 2025
47AQI
14th July 2025
41AQI
15th July 2025
32AQI
16th July 2025
31AQI
17th July 2025
36AQI
18th July 2025
50AQI
19th July 2025
41AQI
20th July 2025
31AQI
21st July 2025
25AQI
22nd July 2025
28AQI
23rd July 2025
30AQI
24th July 2025
32AQI
25th July 2025
31AQI
26th July 2025
30AQI
27th July 2025
26AQI
28th July 2025
30AQI
29th July 2025
26AQI
30th July 2025
33AQI
31st July 2025
49AQI
1st August 2025
40AQI

57AQI

55AQI

50AQI

36AQI

32AQI

37AQI

38AQI

40AQI

No. of days

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

202543AQI

1
30
1
27
10
21
30
31
30
30
1
1
134
79

Highest AQI recorded in

January

57AQI

Lowest AQI recorded in

May

32AQI

202445AQI

16
1
3
3
12
29
15
16
14
17
18
7
3
21
10
20
10
31
152
91
3

Highest AQI recorded in

December

58AQI

Lowest AQI recorded in

January

18AQI

202318AQI

3
31
34

Highest AQI recorded in

November

21AQI

Lowest AQI recorded in

December

18AQI

202240AQI

20
10
17
5
28
17
1
31
28
20
1
2
13
13
2
1
12
14
188
44
2
1

Highest AQI recorded in

September

64AQI

Lowest AQI recorded in

June

27AQI

202142AQI

28
2
27
1
29
2
30
31
29
1
12
18
1
16
11
3
1
20
6
4
30
1
19
11
24
7
295
60
8
1

Highest AQI recorded in

August

64AQI

Lowest AQI recorded in

April

25AQI

202040AQI

13
20
18
30
31
18
11
2
13
9
7
1
23
7
1
19
11
18
12
1
203
50
11
1

Highest AQI recorded in

September

71AQI

Lowest AQI recorded in

June

23AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2024(Avg.)
45AQI
Least Polluted Year Recorded
2023(Avg.)
18AQI

Boise's annual 2025 AQI (43) shows an average percentage change of 31.8% (worsened AQI) compared to previous years: 2020 (40), 2021 (42), 2022 (40), 2023 (18), 2024 (45).