Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Nampa, 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

Nampa, Idaho, United States

2021
2022
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
14th Aug 2021
166AQI
Lowest AQI recorded on
8th Aug 2025
22AQI

Same Day Analysis (10th August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 3rd highest AQI at 28 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: 10th Aug - 11th Aug 2025

Nampa, Idaho, United States

AQI
Day
Night
.

6 AM10th Aug 2025

9 PM

5 AM11th Aug 2025

Day time
Avg. Highest Time
6AM10th Aug

35AQI

Avg. Lowest Time
5PM10th Aug

22AQI

Night time
Avg. Highest Time
4AM11th Aug

33AQI

Avg. Lowest Time
1AM11th Aug

22AQI

In the last 24 hours,

Nampa's AQI reached its highest point of 35 at 6 AM during the Day, while the lowest point, 22, was recorded at 1 AM during the Night between 10th Aug and 11th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Nampa, Idaho, United States

JulAug
12th - 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 - 09th09th - 10th10th - 11th11th
Day
Night
12th Jul 2025446 AMAQI
12th Jul 2025457 AMAQI
12th Jul 2025458 AMAQI
12th Jul 2025429 AMAQI
12th Jul 20253710 AMAQI
12th Jul 20254111 AMAQI
12th Jul 20254112 PMAQI
12th Jul 2025461 PMAQI
12th Jul 2025402 PMAQI
12th Jul 2025383 PMAQI
12th Jul 2025364 PMAQI
12th Jul 2025355 PMAQI
12th Jul 2025356 PMAQI
12th Jul 2025397 PMAQI
12th Jul 2025428 PMAQI
12th Jul 2025339 PMAQI
12th Jul 20253310 PMAQI
12th Jul 20253311 PMAQI
13th Jul 20253812 AMAQI
13th Jul 2025461 AMAQI
13th Jul 2025482 AMAQI
13th Jul 2025503 AMAQI
13th Jul 2025484 AMAQI
13th Jul 2025515 AMAQI

26°C16/36°C

13th Jul 2025486 AMAQI
13th Jul 2025447 AMAQI
13th Jul 2025468 AMAQI
13th Jul 2025439 AMAQI
13th Jul 20254010 AMAQI
13th Jul 20253911 AMAQI
13th Jul 20253712 PMAQI
13th Jul 2025331 PMAQI
13th Jul 2025352 PMAQI
13th Jul 2025363 PMAQI
13th Jul 2025524 PMAQI
13th Jul 2025365 PMAQI
13th Jul 2025376 PMAQI
13th Jul 2025397 PMAQI
13th Jul 2025398 PMAQI
13th Jul 2025299 PMAQI
13th Jul 20252610 PMAQI
13th Jul 20253111 PMAQI
14th Jul 20253712 AMAQI
14th Jul 2025411 AMAQI
14th Jul 2025452 AMAQI
14th Jul 2025423 AMAQI
14th Jul 2025414 AMAQI
14th Jul 2025415 AMAQI

28°C18/38°C

14th Jul 2025446 AMAQI
14th Jul 2025437 AMAQI
14th Jul 2025468 AMAQI
14th Jul 2025449 AMAQI
14th Jul 20254510 AMAQI
14th Jul 20254411 AMAQI
14th Jul 20253812 PMAQI
14th Jul 2025381 PMAQI
14th Jul 2025352 PMAQI
14th Jul 2025353 PMAQI
14th Jul 2025324 PMAQI
14th Jul 2025325 PMAQI
14th Jul 2025316 PMAQI
14th Jul 2025357 PMAQI
14th Jul 2025348 PMAQI
14th Jul 2025289 PMAQI
14th Jul 20252710 PMAQI
14th Jul 20252711 PMAQI
15th Jul 20253112 AMAQI
15th Jul 2025371 AMAQI
15th Jul 2025392 AMAQI
15th Jul 2025383 AMAQI
15th Jul 2025354 AMAQI
15th Jul 2025355 AMAQI

29°C19/39°C

15th Jul 2025336 AMAQI
15th Jul 2025327 AMAQI
15th Jul 2025328 AMAQI
15th Jul 2025339 AMAQI
15th Jul 20253910 AMAQI
15th Jul 20254011 AMAQI
15th Jul 20255012 PMAQI
15th Jul 2025471 PMAQI
15th Jul 2025512 PMAQI
15th Jul 2025353 PMAQI
15th Jul 2025324 PMAQI
15th Jul 2025315 PMAQI
15th Jul 2025316 PMAQI
15th Jul 2025307 PMAQI
15th Jul 2025308 PMAQI
15th Jul 2025279 PMAQI
15th Jul 20253210 PMAQI
15th Jul 20254111 PMAQI
16th Jul 20254512 AMAQI
16th Jul 2025421 AMAQI
16th Jul 2025382 AMAQI
16th Jul 2025343 AMAQI
16th Jul 2025334 AMAQI
16th Jul 2025345 AMAQI

25°C17/33°C

16th Jul 2025326 AMAQI
16th Jul 2025327 AMAQI
16th Jul 2025328 AMAQI
16th Jul 2025339 AMAQI
16th Jul 20253510 AMAQI
16th Jul 20253511 AMAQI
16th Jul 20253612 PMAQI
16th Jul 2025361 PMAQI
16th Jul 2025322 PMAQI
16th Jul 2025293 PMAQI
16th Jul 2025304 PMAQI
16th Jul 2025285 PMAQI
16th Jul 2025306 PMAQI
16th Jul 2025337 PMAQI
16th Jul 2025328 PMAQI
16th Jul 2025249 PMAQI
16th Jul 20252510 PMAQI
16th Jul 20252611 PMAQI
17th Jul 20252912 AMAQI
17th Jul 2025331 AMAQI
17th Jul 2025362 AMAQI
17th Jul 2025383 AMAQI
17th Jul 2025454 AMAQI
17th Jul 2025455 AMAQI

24°C14/33°C

17th Jul 2025436 AMAQI
17th Jul 2025417 AMAQI
17th Jul 2025408 AMAQI
17th Jul 2025409 AMAQI
17th Jul 20254010 AMAQI
17th Jul 20254111 AMAQI
17th Jul 20254612 PMAQI
17th Jul 2025431 PMAQI
17th Jul 2025402 PMAQI
17th Jul 2025393 PMAQI
17th Jul 2025444 PMAQI
17th Jul 2025495 PMAQI
17th Jul 2025466 PMAQI
17th Jul 2025417 PMAQI
17th Jul 2025418 PMAQI
17th Jul 2025539 PMAQI
17th Jul 20255310 PMAQI
17th Jul 20255511 PMAQI
18th Jul 20255612 AMAQI
18th Jul 2025601 AMAQI
18th Jul 2025592 AMAQI
18th Jul 2025623 AMAQI
18th Jul 2025624 AMAQI
18th Jul 2025585 AMAQI

26°C15/37°C

18th Jul 2025546 AMAQI
18th Jul 2025527 AMAQI
18th Jul 2025478 AMAQI
18th Jul 2025469 AMAQI
18th Jul 20254410 AMAQI
18th Jul 20254411 AMAQI
18th Jul 20254712 PMAQI
18th Jul 2025471 PMAQI
18th Jul 2025442 PMAQI
18th Jul 2025463 PMAQI
18th Jul 2025464 PMAQI
18th Jul 2025495 PMAQI
18th Jul 2025496 PMAQI
18th Jul 2025527 PMAQI
18th Jul 2025518 PMAQI
18th Jul 2025479 PMAQI
18th Jul 20254610 PMAQI
18th Jul 20255111 PMAQI
19th Jul 20255412 AMAQI
19th Jul 2025531 AMAQI
19th Jul 2025542 AMAQI
19th Jul 2025513 AMAQI
19th Jul 2025484 AMAQI
19th Jul 2025445 AMAQI

27°C17/37°C

19th Jul 2025436 AMAQI
19th Jul 2025507 AMAQI
19th Jul 2025558 AMAQI
19th Jul 2025569 AMAQI
19th Jul 20255610 AMAQI
19th Jul 20255811 AMAQI
19th Jul 20255512 PMAQI
19th Jul 2025531 PMAQI
19th Jul 2025482 PMAQI
19th Jul 2025443 PMAQI
19th Jul 2025384 PMAQI
19th Jul 2025305 PMAQI
19th Jul 2025276 PMAQI
19th Jul 2025397 PMAQI
19th Jul 2025428 PMAQI
19th Jul 2025249 PMAQI
19th Jul 20252410 PMAQI
19th Jul 20252411 PMAQI
20th Jul 20252712 AMAQI
20th Jul 2025371 AMAQI
20th Jul 2025422 AMAQI
20th Jul 2025353 AMAQI
20th Jul 2025304 AMAQI
20th Jul 2025275 AMAQI

25°C15/33°C

20th Jul 2025316 AMAQI
20th Jul 2025327 AMAQI
20th Jul 2025378 AMAQI
20th Jul 2025399 AMAQI
20th Jul 20254710 AMAQI
20th Jul 20255011 AMAQI
20th Jul 20255112 PMAQI
20th Jul 2025461 PMAQI
20th Jul 2025412 PMAQI
20th Jul 2025363 PMAQI
20th Jul 2025344 PMAQI
20th Jul 2025355 PMAQI
20th Jul 2025336 PMAQI
20th Jul 2025347 PMAQI
20th Jul 2025348 PMAQI
20th Jul 2025309 PMAQI
20th Jul 20252610 PMAQI
20th Jul 20252611 PMAQI
21st Jul 20252512 AMAQI
21st Jul 2025281 AMAQI
21st Jul 2025282 AMAQI
21st Jul 2025243 AMAQI
21st Jul 2025204 AMAQI
21st Jul 2025195 AMAQI

24°C15/31°C

21st Jul 2025206 AMAQI
21st Jul 2025257 AMAQI
21st Jul 2025248 AMAQI
21st Jul 2025249 AMAQI
21st Jul 20252310 AMAQI
21st Jul 20252511 AMAQI
21st Jul 20253912 PMAQI
21st Jul 2025371 PMAQI
21st Jul 2025342 PMAQI
21st Jul 2025303 PMAQI
21st Jul 2025264 PMAQI
21st Jul 2025235 PMAQI
21st Jul 2025226 PMAQI
21st Jul 2025247 PMAQI
21st Jul 2025248 PMAQI
21st Jul 2025209 PMAQI
21st Jul 20252010 PMAQI
21st Jul 20252111 PMAQI
22nd Jul 20252012 AMAQI
22nd Jul 2025251 AMAQI
22nd Jul 2025242 AMAQI
22nd Jul 2025223 AMAQI
22nd Jul 2025234 AMAQI
22nd Jul 2025235 AMAQI

20°C16/25°C

22nd Jul 2025276 AMAQI
22nd Jul 2025287 AMAQI
22nd Jul 2025288 AMAQI
22nd Jul 2025349 AMAQI
22nd Jul 20253910 AMAQI
22nd Jul 20254211 AMAQI
22nd Jul 20254012 PMAQI
22nd Jul 2025381 PMAQI
22nd Jul 2025362 PMAQI
22nd Jul 2025313 PMAQI
22nd Jul 2025264 PMAQI
22nd Jul 2025265 PMAQI
22nd Jul 2025266 PMAQI
22nd Jul 2025267 PMAQI
22nd Jul 2025258 PMAQI
22nd Jul 2025229 PMAQI
22nd Jul 20252410 PMAQI
22nd Jul 20252511 PMAQI
23rd Jul 20252712 AMAQI
23rd Jul 2025281 AMAQI
23rd Jul 2025342 AMAQI
23rd Jul 2025343 AMAQI
23rd Jul 2025364 AMAQI
23rd Jul 2025375 AMAQI

21°C13/31°C

23rd Jul 2025406 AMAQI
23rd Jul 2025407 AMAQI
23rd Jul 2025388 AMAQI
23rd Jul 2025429 AMAQI
23rd Jul 20254010 AMAQI
23rd Jul 20254211 AMAQI
23rd Jul 20254212 PMAQI
23rd Jul 2025441 PMAQI
23rd Jul 2025412 PMAQI
23rd Jul 2025373 PMAQI
23rd Jul 2025354 PMAQI
23rd Jul 2025325 PMAQI
23rd Jul 2025286 PMAQI
23rd Jul 2025347 PMAQI
23rd Jul 2025308 PMAQI
23rd Jul 2025219 PMAQI
23rd Jul 20251810 PMAQI
23rd Jul 20252111 PMAQI
24th Jul 20252912 AMAQI
24th Jul 2025341 AMAQI
24th Jul 2025362 AMAQI
24th Jul 2025393 AMAQI
24th Jul 2025404 AMAQI
24th Jul 2025415 AMAQI

24°C14/34°C

24th Jul 2025416 AMAQI
24th Jul 2025407 AMAQI
24th Jul 2025418 AMAQI
24th Jul 2025429 AMAQI
24th Jul 20254210 AMAQI
24th Jul 20254611 AMAQI
24th Jul 20255012 PMAQI
24th Jul 2025481 PMAQI
24th Jul 2025432 PMAQI
24th Jul 2025403 PMAQI
24th Jul 2025354 PMAQI
24th Jul 2025325 PMAQI
24th Jul 2025256 PMAQI
24th Jul 2025357 PMAQI
24th Jul 2025348 PMAQI
24th Jul 2025249 PMAQI
24th Jul 20252310 PMAQI
24th Jul 20252811 PMAQI
25th Jul 20253812 AMAQI
25th Jul 2025391 AMAQI
25th Jul 2025432 AMAQI
25th Jul 2025393 AMAQI
25th Jul 2025384 AMAQI
25th Jul 2025435 AMAQI

26°C15/36°C

25th Jul 2025356 AMAQI
25th Jul 2025367 AMAQI
25th Jul 2025388 AMAQI
25th Jul 2025429 AMAQI
25th Jul 20254310 AMAQI
25th Jul 20254211 AMAQI
25th Jul 20254512 PMAQI
25th Jul 2025391 PMAQI
25th Jul 2025372 PMAQI
25th Jul 2025333 PMAQI
25th Jul 2025334 PMAQI
25th Jul 2025275 PMAQI
25th Jul 2025266 PMAQI
25th Jul 2025347 PMAQI
25th Jul 2025348 PMAQI
25th Jul 2025239 PMAQI
25th Jul 20252510 PMAQI
25th Jul 20252611 PMAQI
26th Jul 20252812 AMAQI
26th Jul 2025341 AMAQI
26th Jul 2025412 AMAQI
26th Jul 2025433 AMAQI
26th Jul 2025394 AMAQI
26th Jul 2025405 AMAQI

27°C16/36°C

26th Jul 2025366 AMAQI
26th Jul 2025327 AMAQI
26th Jul 2025268 AMAQI
26th Jul 2025259 AMAQI
26th Jul 20252310 AMAQI
26th Jul 20252311 AMAQI
26th Jul 20252412 PMAQI
26th Jul 2025241 PMAQI
26th Jul 2025222 PMAQI
26th Jul 2025203 PMAQI
26th Jul 2025214 PMAQI
26th Jul 2025245 PMAQI
26th Jul 2025276 PMAQI
26th Jul 2025307 PMAQI
26th Jul 2025338 PMAQI
26th Jul 2025559 PMAQI
26th Jul 20259010 PMAQI
26th Jul 20254911 PMAQI
27th Jul 20255212 AMAQI
27th Jul 2025461 AMAQI
27th Jul 2025422 AMAQI
27th Jul 2025323 AMAQI
27th Jul 2025224 AMAQI
27th Jul 2025195 AMAQI

26°C15/35°C

27th Jul 2025186 AMAQI
27th Jul 2025187 AMAQI
27th Jul 2025218 AMAQI
27th Jul 2025249 AMAQI
27th Jul 20252610 AMAQI
27th Jul 20252211 AMAQI
27th Jul 20252312 PMAQI
27th Jul 2025231 PMAQI
27th Jul 2025222 PMAQI
27th Jul 2025223 PMAQI
27th Jul 2025224 PMAQI
27th Jul 2025225 PMAQI
27th Jul 2025206 PMAQI
27th Jul 2025217 PMAQI
27th Jul 2025228 PMAQI
27th Jul 2025229 PMAQI
27th Jul 20252310 PMAQI
27th Jul 20252511 PMAQI
28th Jul 20252612 AMAQI
28th Jul 2025271 AMAQI
28th Jul 2025262 AMAQI
28th Jul 2025283 AMAQI
28th Jul 2025314 AMAQI
28th Jul 2025305 AMAQI

25°C15/35°C

28th Jul 2025296 AMAQI
28th Jul 2025327 AMAQI
28th Jul 2025368 AMAQI
28th Jul 2025349 AMAQI
28th Jul 20253410 AMAQI
28th Jul 20253911 AMAQI
28th Jul 20253712 PMAQI
28th Jul 2025381 PMAQI
28th Jul 2025342 PMAQI
28th Jul 2025333 PMAQI
28th Jul 2025324 PMAQI
28th Jul 2025315 PMAQI
28th Jul 2025286 PMAQI
28th Jul 2025297 PMAQI
28th Jul 2025308 PMAQI
28th Jul 2025339 PMAQI
28th Jul 20253410 PMAQI
28th Jul 20253511 PMAQI
29th Jul 20253612 AMAQI
29th Jul 2025371 AMAQI
29th Jul 2025372 AMAQI
29th Jul 2025333 AMAQI
29th Jul 2025334 AMAQI
29th Jul 2025305 AMAQI

26°C16/37°C

29th Jul 2025286 AMAQI
29th Jul 2025277 AMAQI
29th Jul 2025288 AMAQI
29th Jul 2025289 AMAQI
29th Jul 20252910 AMAQI
29th Jul 20253211 AMAQI
29th Jul 20253312 PMAQI
29th Jul 2025361 PMAQI
29th Jul 2025362 PMAQI
29th Jul 2025343 PMAQI
29th Jul 2025334 PMAQI
29th Jul 2025355 PMAQI
29th Jul 2025346 PMAQI
29th Jul 2025327 PMAQI
29th Jul 2025328 PMAQI
29th Jul 2025269 PMAQI
29th Jul 20252710 PMAQI
29th Jul 20252811 PMAQI
30th Jul 20253012 AMAQI
30th Jul 2025281 AMAQI
30th Jul 2025502 AMAQI
30th Jul 2025413 AMAQI
30th Jul 2025344 AMAQI
30th Jul 2025315 AMAQI

25°C16/35°C

30th Jul 2025306 AMAQI
30th Jul 2025327 AMAQI
30th Jul 2025358 AMAQI
30th Jul 2025399 AMAQI
30th Jul 20254710 AMAQI
30th Jul 20254811 AMAQI
30th Jul 20254612 PMAQI
30th Jul 2025431 PMAQI
30th Jul 2025412 PMAQI
30th Jul 2025413 PMAQI
30th Jul 2025414 PMAQI
30th Jul 2025415 PMAQI
30th Jul 2025416 PMAQI
30th Jul 2025417 PMAQI
30th Jul 2025418 PMAQI
30th Jul 2025339 PMAQI
30th Jul 20253210 PMAQI
30th Jul 20253411 PMAQI
31st Jul 20253412 AMAQI
31st Jul 2025521 AMAQI
31st Jul 2025672 AMAQI
31st Jul 2025883 AMAQI
31st Jul 2025804 AMAQI
31st Jul 2025745 AMAQI

26°C15/36°C

31st Jul 2025636 AMAQI
31st Jul 2025587 AMAQI
31st Jul 2025578 AMAQI
31st Jul 2025559 AMAQI
31st Jul 20255510 AMAQI
31st Jul 20255211 AMAQI
31st Jul 20254912 PMAQI
31st Jul 2025461 PMAQI
31st Jul 2025442 PMAQI
31st Jul 2025443 PMAQI
31st Jul 2025424 PMAQI
31st Jul 2025365 PMAQI
31st Jul 2025326 PMAQI
31st Jul 2025487 PMAQI
31st Jul 2025408 PMAQI
31st Jul 2025309 PMAQI
31st Jul 20253310 PMAQI
31st Jul 20254511 PMAQI
1st Aug 20255812 AMAQI
1st Aug 2025641 AMAQI
1st Aug 2025642 AMAQI
1st Aug 2025553 AMAQI
1st Aug 2025514 AMAQI
1st Aug 2025395 AMAQI

27°C17/37°C

1st Aug 2025316 AMAQI
1st Aug 2025287 AMAQI
1st Aug 2025308 AMAQI
1st Aug 2025409 AMAQI
1st Aug 20254610 AMAQI
1st Aug 20254411 AMAQI
1st Aug 20254612 PMAQI
1st Aug 2025441 PMAQI
1st Aug 2025402 PMAQI
1st Aug 2025333 PMAQI
1st Aug 2025304 PMAQI
1st Aug 2025275 PMAQI
1st Aug 2025266 PMAQI
1st Aug 2025377 PMAQI
1st Aug 2025328 PMAQI
1st Aug 2025279 PMAQI
1st Aug 20252910 PMAQI
1st Aug 20253311 PMAQI
2nd Aug 20253712 AMAQI
2nd Aug 2025381 AMAQI
2nd Aug 2025372 AMAQI
2nd Aug 2025393 AMAQI
2nd Aug 2025414 AMAQI
2nd Aug 2025415 AMAQI

24°C16/33°C

2nd Aug 2025406 AMAQI
2nd Aug 2025407 AMAQI
2nd Aug 2025408 AMAQI
2nd Aug 2025389 AMAQI
2nd Aug 20254010 AMAQI
2nd Aug 20254411 AMAQI
2nd Aug 20254512 PMAQI
2nd Aug 2025431 PMAQI
2nd Aug 2025382 PMAQI
2nd Aug 2025333 PMAQI
2nd Aug 2025284 PMAQI
2nd Aug 2025335 PMAQI
2nd Aug 2025326 PMAQI
2nd Aug 2025377 PMAQI
2nd Aug 2025388 PMAQI
2nd Aug 2025349 PMAQI
2nd Aug 20253510 PMAQI
2nd Aug 20254011 PMAQI
3rd Aug 20254212 AMAQI
3rd Aug 2025471 AMAQI
3rd Aug 2025522 AMAQI
3rd Aug 2025533 AMAQI
3rd Aug 2025554 AMAQI
3rd Aug 2025545 AMAQI

25°C15/35°C

3rd Aug 2025546 AMAQI
3rd Aug 2025547 AMAQI
3rd Aug 2025538 AMAQI
3rd Aug 2025529 AMAQI
3rd Aug 20255210 AMAQI
3rd Aug 20255211 AMAQI
3rd Aug 20254712 PMAQI
3rd Aug 2025471 PMAQI
3rd Aug 2025452 PMAQI
3rd Aug 2025473 PMAQI
3rd Aug 2025464 PMAQI
3rd Aug 2025395 PMAQI
3rd Aug 2025386 PMAQI
3rd Aug 2025467 PMAQI
3rd Aug 2025398 PMAQI
3rd Aug 2025309 PMAQI
3rd Aug 20253210 PMAQI
3rd Aug 20255011 PMAQI
4th Aug 20255612 AMAQI
4th Aug 2025421 AMAQI
4th Aug 2025422 AMAQI
4th Aug 2025323 AMAQI
4th Aug 2025294 AMAQI
4th Aug 2025365 AMAQI

25°C16/35°C

4th Aug 2025336 AMAQI
4th Aug 2025297 AMAQI
4th Aug 2025258 AMAQI
4th Aug 2025259 AMAQI
4th Aug 20252410 AMAQI
4th Aug 20252211 AMAQI
4th Aug 20252412 PMAQI
4th Aug 2025241 PMAQI
4th Aug 2025292 PMAQI
4th Aug 2025283 PMAQI
4th Aug 2025264 PMAQI
4th Aug 2025265 PMAQI
4th Aug 2025256 PMAQI
4th Aug 2025297 PMAQI
4th Aug 2025238 PMAQI
4th Aug 2025229 PMAQI
4th Aug 20252210 PMAQI
4th Aug 20252011 PMAQI
5th Aug 20252312 AMAQI
5th Aug 2025241 AMAQI
5th Aug 2025292 AMAQI
5th Aug 2025273 AMAQI
5th Aug 2025284 AMAQI
5th Aug 2025275 AMAQI

23°C14/32°C

5th Aug 2025306 AMAQI
5th Aug 2025287 AMAQI
5th Aug 2025298 AMAQI
5th Aug 2025309 AMAQI
5th Aug 20253410 AMAQI
5th Aug 20253611 AMAQI
5th Aug 20253612 PMAQI
5th Aug 2025361 PMAQI
5th Aug 2025362 PMAQI
5th Aug 2025333 PMAQI
5th Aug 2025294 PMAQI
5th Aug 2025245 PMAQI
5th Aug 2025236 PMAQI
5th Aug 2025307 PMAQI
5th Aug 2025268 PMAQI
5th Aug 2025249 PMAQI
5th Aug 20252210 PMAQI
5th Aug 20252711 PMAQI
6th Aug 20253112 AMAQI
6th Aug 2025371 AMAQI
6th Aug 2025422 AMAQI
6th Aug 2025403 AMAQI
6th Aug 2025404 AMAQI
6th Aug 2025395 AMAQI

23°C13/34°C

6th Aug 2025366 AMAQI
6th Aug 2025357 AMAQI
6th Aug 2025388 AMAQI
6th Aug 2025399 AMAQI
6th Aug 20253810 AMAQI
6th Aug 20253611 AMAQI
6th Aug 20253612 PMAQI
6th Aug 2025331 PMAQI
6th Aug 2025312 PMAQI
6th Aug 2025323 PMAQI
6th Aug 2025294 PMAQI
6th Aug 2025285 PMAQI
6th Aug 2025246 PMAQI
6th Aug 2025337 PMAQI
6th Aug 2025308 PMAQI
6th Aug 2025289 PMAQI
6th Aug 20252810 PMAQI
6th Aug 20253011 PMAQI
7th Aug 20253012 AMAQI
7th Aug 2025361 AMAQI
7th Aug 2025342 AMAQI
7th Aug 2025343 AMAQI
7th Aug 2025344 AMAQI
7th Aug 2025325 AMAQI

25°C15/35°C

7th Aug 2025326 AMAQI
7th Aug 2025327 AMAQI
7th Aug 2025318 AMAQI
7th Aug 2025279 AMAQI
7th Aug 20252810 AMAQI
7th Aug 20253311 AMAQI
7th Aug 20253512 PMAQI
7th Aug 2025291 PMAQI
7th Aug 2025242 PMAQI
7th Aug 2025243 PMAQI
7th Aug 2025234 PMAQI
7th Aug 2025205 PMAQI
7th Aug 2025206 PMAQI
7th Aug 2025297 PMAQI
7th Aug 2025278 PMAQI
7th Aug 2025219 PMAQI
7th Aug 20252110 PMAQI
7th Aug 20252311 PMAQI
8th Aug 20252412 AMAQI
8th Aug 2025241 AMAQI
8th Aug 2025242 AMAQI
8th Aug 2025213 AMAQI
8th Aug 2025234 AMAQI
8th Aug 2025205 AMAQI

23°C15/31°C

8th Aug 2025226 AMAQI
8th Aug 2025297 AMAQI
8th Aug 2025308 AMAQI
8th Aug 2025259 AMAQI
8th Aug 20252310 AMAQI
8th Aug 20252411 AMAQI
8th Aug 20252412 PMAQI
8th Aug 2025251 PMAQI
8th Aug 2025262 PMAQI
8th Aug 2025263 PMAQI
8th Aug 2025244 PMAQI
8th Aug 2025215 PMAQI
8th Aug 2025196 PMAQI
8th Aug 2025227 PMAQI
8th Aug 2025228 PMAQI
8th Aug 2025179 PMAQI
8th Aug 20251710 PMAQI
8th Aug 20251811 PMAQI
9th Aug 20251912 AMAQI
9th Aug 2025251 AMAQI
9th Aug 2025272 AMAQI
9th Aug 2025333 AMAQI
9th Aug 2025364 AMAQI
9th Aug 2025425 AMAQI

19°C9/29°C

9th Aug 2025376 AMAQI
9th Aug 2025317 AMAQI
9th Aug 2025308 AMAQI
9th Aug 2025289 AMAQI
9th Aug 20252610 AMAQI
9th Aug 20252311 AMAQI
9th Aug 20252412 PMAQI
9th Aug 2025241 PMAQI
9th Aug 2025242 PMAQI
9th Aug 2025243 PMAQI
9th Aug 2025204 PMAQI
9th Aug 2025195 PMAQI
9th Aug 2025186 PMAQI
9th Aug 2025237 PMAQI
9th Aug 2025248 PMAQI
9th Aug 2025219 PMAQI
9th Aug 20252210 PMAQI
9th Aug 20252211 PMAQI
10th Aug 20252312 AMAQI
10th Aug 2025241 AMAQI
10th Aug 2025262 AMAQI
10th Aug 2025303 AMAQI
10th Aug 2025364 AMAQI
10th Aug 2025405 AMAQI

21°C13/32°C

10th Aug 2025356 AMAQI
10th Aug 2025327 AMAQI
10th Aug 2025308 AMAQI
10th Aug 2025289 AMAQI
10th Aug 20253210 AMAQI
10th Aug 20253111 AMAQI
10th Aug 20252512 PMAQI
10th Aug 2025241 PMAQI
10th Aug 2025232 PMAQI
10th Aug 2025243 PMAQI
10th Aug 2025264 PMAQI
10th Aug 2025225 PMAQI
10th Aug 2025236 PMAQI
10th Aug 2025277 PMAQI
10th Aug 2025278 PMAQI
10th Aug 2025259 PMAQI
10th Aug 20252710 PMAQI
10th Aug 20252211 PMAQI
11th Aug 20252212 AMAQI
11th Aug 2025221 AMAQI
11th Aug 2025282 AMAQI
11th Aug 2025243 AMAQI
11th Aug 2025334 AMAQI
11th Aug 2025335 AMAQI

25°C14/35°C

11th Aug 2025356 AMAQI
6 AM
11th Aug 2025427 AMAQI
11th Aug 2025388 AMAQI
11th Aug 2025429 AMAQI
11th Aug 20254310 AMAQI
11th Aug 20254511 AMAQI
11th Aug 20254212 PMAQI
11th Aug 2025391 PMAQI
1 PM
11th Aug 2025312 PMAQI
11th Aug 2025343 PMAQI
11th Aug 2025274 PMAQI
11th Aug 2025225 PMAQI
9 PM
1 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
6 AM - 1 PM

37AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
9 PM

28AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 1 PM (Avg. 37), while the lowest AQI was between 9 PM to 9 PM (Avg. 28).
Night time
Avg. Highest Time
2 AM - 5 AM

39AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
10 PM - 11 PM

31AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 5 AM (Avg. 39), while the lowest AQI was between 10 PM to 11 PM (Avg. 31).

2025 Days Vs Air Quality

Nampa, Idaho, United States

2025

70%

156

30%

66

Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)

Good
156 Days
Moderate
66 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 70%

Health Risk Level:

Low

In 2025, 70% of 223 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

Nampa, 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
39AQI
2nd January 2025
50AQI
3rd January 2025
56AQI
4th January 2025
49AQI
5th January 2025
49AQI
6th January 2025
54AQI
7th January 2025
52AQI
8th January 2025
52AQI
9th January 2025
54AQI
10th January 2025
54AQI
11th January 2025
56AQI
12th January 2025
50AQI
13th January 2025
53AQI
14th January 2025
54AQI
15th January 2025
54AQI
16th January 2025
55AQI
17th January 2025
60AQI
18th January 2025
60AQI
19th January 2025
61AQI
20th January 2025
62AQI
21st January 2025
60AQI
22nd January 2025
59AQI
23rd January 2025
53AQI
24th January 2025
56AQI
25th January 2025
55AQI
26th January 2025
54AQI
27th January 2025
55AQI
28th January 2025
57AQI
29th January 2025
58AQI
30th January 2025
60AQI
31st January 2025
56AQI
1st February 2025
55AQI
2nd February 2025
53AQI
3rd February 2025
55AQI
4th February 2025
55AQI
5th February 2025
51AQI
6th February 2025
54AQI
7th February 2025
51AQI
8th February 2025
51AQI
9th February 2025
58AQI
10th February 2025
55AQI
11th February 2025
52AQI
12th February 2025
55AQI
13th February 2025
48AQI
14th February 2025
56AQI
15th February 2025
51AQI
16th February 2025
50AQI
17th February 2025
55AQI
18th February 2025
57AQI
19th February 2025
48AQI
20th February 2025
50AQI
21st February 2025
57AQI
22nd February 2025
55AQI
23rd February 2025
56AQI
24th February 2025
57AQI
25th February 2025
52AQI
26th February 2025
54AQI
27th February 2025
51AQI
28th February 2025
52AQI
1st March 2025
52AQI
2nd March 2025
55AQI
3rd March 2025
56AQI
4th March 2025
52AQI
5th March 2025
55AQI
6th March 2025
50AQI
7th March 2025
51AQI
8th March 2025
53AQI
9th March 2025
50AQI
10th March 2025
53AQI
11th March 2025
55AQI
12th March 2025
48AQI
13th March 2025
45AQI
14th March 2025
51AQI
15th March 2025
48AQI
16th March 2025
49AQI
17th March 2025
55AQI
18th March 2025
47AQI
19th March 2025
49AQI
20th March 2025
44AQI
21st March 2025
50AQI
22nd March 2025
50AQI
23rd March 2025
55AQI
24th March 2025
51AQI
25th March 2025
36AQI
26th March 2025
35AQI
27th March 2025
40AQI
28th March 2025
37AQI
29th March 2025
33AQI
30th March 2025
35AQI
31st March 2025
37AQI
1st April 2025
31AQI
2nd April 2025
33AQI
3rd April 2025
32AQI
4th April 2025
31AQI
5th April 2025
36AQI
6th April 2025
41AQI
7th April 2025
33AQI
8th April 2025
22AQI
9th April 2025
37AQI
10th April 2025
45AQI
11th April 2025
36AQI
12th April 2025
30AQI
13th April 2025
29AQI
14th April 2025
35AQI
15th April 2025
40AQI
16th April 2025
36AQI
17th April 2025
28AQI
18th April 2025
24AQI
19th April 2025
28AQI
20th April 2025
35AQI
21st April 2025
22AQI
22nd April 2025
27AQI
23rd April 2025
28AQI
24th April 2025
31AQI
25th April 2025
36AQI
26th April 2025
37AQI
27th April 2025
33AQI
28th April 2025
31AQI
29th April 2025
36AQI
30th April 2025
32AQI
1st May 2025
38AQI
2nd May 2025
35AQI
3rd May 2025
36AQI
4th May 2025
24AQI
5th May 2025
27AQI
6th May 2025
24AQI
7th May 2025
25AQI
8th May 2025
32AQI
9th May 2025
32AQI
10th May 2025
30AQI
11th May 2025
37AQI
12th May 2025
28AQI
13th May 2025
21AQI
14th May 2025
21AQI
15th May 2025
24AQI
16th May 2025
22AQI
17th May 2025
33AQI
18th May 2025
24AQI
19th May 2025
27AQI
20th May 2025
25AQI
21st May 2025
23AQI
22nd May 2025
29AQI
23rd May 2025
28AQI
24th May 2025
33AQI
25th May 2025
32AQI
26th May 2025
32AQI
27th May 2025
29AQI
28th May 2025
36AQI
29th May 2025
39AQI
30th May 2025
27AQI
31st May 2025
34AQI
1st June 2025
39AQI
2nd June 2025
23AQI
3rd June 2025
24AQI
4th June 2025
30AQI
5th June 2025
35AQI
6th June 2025
43AQI
7th June 2025
39AQI
8th June 2025
30AQI
9th June 2025
39AQI
10th June 2025
44AQI
11th June 2025
43AQI
12th June 2025
34AQI
13th June 2025
26AQI
14th June 2025
24AQI
15th June 2025
24AQI
16th June 2025
35AQI
17th June 2025
40AQI
18th June 2025
42AQI
19th June 2025
38AQI
20th June 2025
39AQI
21st June 2025
34AQI
22nd June 2025
31AQI
23rd June 2025
31AQI
24th June 2025
38AQI
25th June 2025
40AQI
26th June 2025
39AQI
27th June 2025
35AQI
28th June 2025
27AQI
29th June 2025
28AQI
30th June 2025
35AQI
1st July 2025
46AQI
2nd July 2025
46AQI
3rd July 2025
41AQI
4th July 2025
36AQI
5th July 2025
51AQI
6th July 2025
43AQI
7th July 2025
35AQI
8th July 2025
39AQI
9th July 2025
40AQI
10th July 2025
32AQI
11th July 2025
30AQI
12th July 2025
39AQI
13th July 2025
40AQI
14th July 2025
37AQI
15th July 2025
35AQI
16th July 2025
33AQI
17th July 2025
43AQI
18th July 2025
52AQI
19th July 2025
44AQI
20th July 2025
35AQI
21st July 2025
25AQI
22nd July 2025
28AQI
23rd July 2025
33AQI
24th July 2025
36AQI
25th July 2025
36AQI
26th July 2025
35AQI
27th July 2025
26AQI
28th July 2025
31AQI
29th July 2025
32AQI
30th July 2025
38AQI
31st July 2025
52AQI
1st August 2025
41AQI
2nd August 2025
38AQI
3rd August 2025
47AQI
4th August 2025
29AQI
5th August 2025
28AQI
6th August 2025
34AQI
7th August 2025
28AQI
8th August 2025
22AQI
9th August 2025
26AQI
10th August 2025
28AQI

55AQI

53AQI

48AQI

33AQI

29AQI

34AQI

38AQI

32AQI

No. of days

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

202541AQI

5
26
4
24
18
13
30
31
30
28
3
10
156
66

Highest AQI recorded in

January

55AQI

Lowest AQI recorded in

May

29AQI

202445AQI

16
1
1
12
29
17
14
15
16
15
13
21
10
25
5
4
27
156
85

Highest AQI recorded in

December

57AQI

Lowest AQI recorded in

January

19AQI

202347AQI

31
28
31
19
3
31
34
109

Highest AQI recorded in

February

57AQI

Lowest AQI recorded in

December

19AQI

202249AQI

21
9
15
7
25
3
28
2
31
28
2
19
5
1
1
25
4
31
30
30
1
168
145
5

Highest AQI recorded in

September

71AQI

Lowest AQI recorded in

May

30AQI

202146AQI

25
5
28
27
1
1
25
5
31
29
1
13
17
1
12
15
3
1
19
4
5
1
24
4
1
2
22
8
25
6
280
66
11
3
1

Highest AQI recorded in

September

66AQI

Lowest AQI recorded in

May

33AQI

202047AQI

13
19
1
17
1
30
29
2
17
11
3
9
12
5
4
19
9
2
22
8
17
14
192
58
10
4

Highest AQI recorded in

September

80AQI

Lowest AQI recorded in

March

28AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2022(Avg.)
49AQI
Least Polluted Year Recorded
2025(Avg.)
41AQI

Nampa's annual 2025 AQI (41) shows an average percentage change of -11.9% (improved AQI) compared to previous years: 2020 (47), 2021 (46), 2022 (49), 2023 (47), 2024 (45).