Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Smithfield, Utah, 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

Smithfield, Utah, United States

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
16th Aug 2021
127AQI
Lowest AQI recorded on
22nd Aug 2023
25AQI

Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 41 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: 2nd Aug - 3rd Aug 2025

Smithfield, Utah, United States

AQI
Day
Night
.

6 AM2nd Aug 2025

8 PM

5 AM3rd Aug 2025

Day time
Avg. Highest Time
11AM2nd Aug

38AQI

Avg. Lowest Time
5PM2nd Aug

30AQI

Night time
Avg. Highest Time
12AM3rd Aug

46AQI

Avg. Lowest Time
9PM2nd Aug

35AQI

In the last 24 hours,

Smithfield's AQI reached its highest point of 46 at 12 AM during the Night, while the lowest point, 30, was recorded at 5 PM during the Day between 2nd Aug and 3rd Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Smithfield, Utah, United States

JulAug
04th - 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 - 03rd03rd
Day
Night
4th Jul 2025416 AMAQI
4th Jul 2025417 AMAQI
4th Jul 2025428 AMAQI
4th Jul 2025449 AMAQI
4th Jul 20254510 AMAQI
4th Jul 20254511 AMAQI
4th Jul 20254812 PMAQI
4th Jul 2025491 PMAQI
4th Jul 2025432 PMAQI
4th Jul 2025433 PMAQI
4th Jul 2025414 PMAQI
4th Jul 2025405 PMAQI
4th Jul 2025406 PMAQI
4th Jul 2025427 PMAQI
4th Jul 2025428 PMAQI
4th Jul 2025409 PMAQI
4th Jul 20254210 PMAQI
4th Jul 20254411 PMAQI
5th Jul 20255212 AMAQI
5th Jul 2025591 AMAQI
5th Jul 2025582 AMAQI
5th Jul 2025583 AMAQI
5th Jul 2025564 AMAQI
5th Jul 2025565 AMAQI

20°C9/31°C

5th Jul 2025546 AMAQI
5th Jul 2025557 AMAQI
5th Jul 2025558 AMAQI
5th Jul 2025569 AMAQI
5th Jul 20255510 AMAQI
5th Jul 20255611 AMAQI
5th Jul 20255812 PMAQI
5th Jul 2025631 PMAQI
5th Jul 2025562 PMAQI
5th Jul 2025553 PMAQI
5th Jul 2025544 PMAQI
5th Jul 2025535 PMAQI
5th Jul 2025536 PMAQI
5th Jul 2025537 PMAQI
5th Jul 2025558 PMAQI
5th Jul 2025549 PMAQI
5th Jul 20255410 PMAQI
5th Jul 20255111 PMAQI
6th Jul 20254912 AMAQI
6th Jul 2025471 AMAQI
6th Jul 2025392 AMAQI
6th Jul 2025463 AMAQI
6th Jul 2025404 AMAQI
6th Jul 2025485 AMAQI

20°C8/31°C

6th Jul 2025476 AMAQI
6th Jul 2025467 AMAQI
6th Jul 2025438 AMAQI
6th Jul 2025439 AMAQI
6th Jul 20254710 AMAQI
6th Jul 20254411 AMAQI
6th Jul 20254812 PMAQI
6th Jul 2025501 PMAQI
6th Jul 2025482 PMAQI
6th Jul 2025433 PMAQI
6th Jul 2025404 PMAQI
6th Jul 2025385 PMAQI
6th Jul 2025396 PMAQI
6th Jul 2025437 PMAQI
6th Jul 2025438 PMAQI
6th Jul 2025439 PMAQI
6th Jul 20253910 PMAQI
6th Jul 20253711 PMAQI
7th Jul 20253712 AMAQI
7th Jul 2025371 AMAQI
7th Jul 2025302 AMAQI
7th Jul 2025323 AMAQI
7th Jul 2025414 AMAQI
7th Jul 2025375 AMAQI

21°C8/32°C

7th Jul 2025366 AMAQI
7th Jul 2025337 AMAQI
7th Jul 2025348 AMAQI
7th Jul 2025379 AMAQI
7th Jul 20254410 AMAQI
7th Jul 20254011 AMAQI
7th Jul 20254212 PMAQI
7th Jul 2025461 PMAQI
7th Jul 2025442 PMAQI
7th Jul 2025413 PMAQI
7th Jul 2025414 PMAQI
7th Jul 2025425 PMAQI
7th Jul 2025416 PMAQI
7th Jul 2025397 PMAQI
7th Jul 2025408 PMAQI
7th Jul 2025419 PMAQI
7th Jul 20253710 PMAQI
7th Jul 20253711 PMAQI
8th Jul 20253612 AMAQI
8th Jul 2025411 AMAQI
8th Jul 2025382 AMAQI
8th Jul 2025483 AMAQI
8th Jul 2025454 AMAQI
8th Jul 2025535 AMAQI

23°C10/35°C

8th Jul 2025476 AMAQI
8th Jul 2025437 AMAQI
8th Jul 2025448 AMAQI
8th Jul 2025469 AMAQI
8th Jul 20254610 AMAQI
8th Jul 20255011 AMAQI
8th Jul 20255212 PMAQI
8th Jul 2025511 PMAQI
8th Jul 2025492 PMAQI
8th Jul 2025443 PMAQI
8th Jul 2025434 PMAQI
8th Jul 2025435 PMAQI
8th Jul 2025426 PMAQI
8th Jul 2025437 PMAQI
8th Jul 2025428 PMAQI
8th Jul 2025409 PMAQI
8th Jul 20253910 PMAQI
8th Jul 20253911 PMAQI
9th Jul 20253712 AMAQI
9th Jul 2025411 AMAQI
9th Jul 2025392 AMAQI
9th Jul 2025403 AMAQI
9th Jul 2025414 AMAQI
9th Jul 2025535 AMAQI

25°C11/36°C

9th Jul 2025516 AMAQI
9th Jul 2025487 AMAQI
9th Jul 2025498 AMAQI
9th Jul 2025519 AMAQI
9th Jul 20255410 AMAQI
9th Jul 20256211 AMAQI
9th Jul 20254812 PMAQI
9th Jul 2025461 PMAQI
9th Jul 2025402 PMAQI
9th Jul 2025433 PMAQI
9th Jul 2025424 PMAQI
9th Jul 2025445 PMAQI
9th Jul 2025446 PMAQI
9th Jul 2025447 PMAQI
9th Jul 2025458 PMAQI
9th Jul 2025439 PMAQI
9th Jul 20254110 PMAQI
9th Jul 20254111 PMAQI
10th Jul 20254012 AMAQI
10th Jul 2025411 AMAQI
10th Jul 2025412 AMAQI
10th Jul 2025493 AMAQI
10th Jul 2025454 AMAQI
10th Jul 2025425 AMAQI

26°C13/36°C

10th Jul 2025446 AMAQI
10th Jul 2025437 AMAQI
10th Jul 2025418 AMAQI
10th Jul 2025429 AMAQI
10th Jul 20254410 AMAQI
10th Jul 20254311 AMAQI
10th Jul 20254912 PMAQI
10th Jul 2025531 PMAQI
10th Jul 2025472 PMAQI
10th Jul 2025453 PMAQI
10th Jul 2025454 PMAQI
10th Jul 2025445 PMAQI
10th Jul 2025446 PMAQI
10th Jul 2025457 PMAQI
10th Jul 2025428 PMAQI
10th Jul 2025449 PMAQI
10th Jul 20254710 PMAQI
10th Jul 20254711 PMAQI
11th Jul 20254312 AMAQI
11th Jul 2025431 AMAQI
11th Jul 2025442 AMAQI
11th Jul 2025373 AMAQI
11th Jul 2025354 AMAQI
11th Jul 2025335 AMAQI

22°C10/32°C

11th Jul 2025386 AMAQI
11th Jul 2025387 AMAQI
11th Jul 2025408 AMAQI
11th Jul 2025439 AMAQI
11th Jul 20254310 AMAQI
11th Jul 20254111 AMAQI
11th Jul 20254012 PMAQI
11th Jul 2025411 PMAQI
11th Jul 2025442 PMAQI
11th Jul 2025393 PMAQI
11th Jul 2025384 PMAQI
11th Jul 2025355 PMAQI
11th Jul 2025386 PMAQI
11th Jul 2025387 PMAQI
11th Jul 2025398 PMAQI
11th Jul 2025409 PMAQI
11th Jul 20253710 PMAQI
11th Jul 20253711 PMAQI
12th Jul 20253912 AMAQI
12th Jul 2025431 AMAQI
12th Jul 2025432 AMAQI
12th Jul 2025413 AMAQI
12th Jul 2025414 AMAQI
12th Jul 2025375 AMAQI

22°C13/32°C

12th Jul 2025416 AMAQI
12th Jul 2025427 AMAQI
12th Jul 2025448 AMAQI
12th Jul 2025439 AMAQI
12th Jul 20254410 AMAQI
12th Jul 20254511 AMAQI
12th Jul 20254212 PMAQI
12th Jul 2025441 PMAQI
12th Jul 2025432 PMAQI
12th Jul 2025433 PMAQI
12th Jul 2025404 PMAQI
12th Jul 2025405 PMAQI
12th Jul 2025416 PMAQI
12th Jul 2025407 PMAQI
12th Jul 2025408 PMAQI
12th Jul 2025369 PMAQI
12th Jul 20253610 PMAQI
12th Jul 20253611 PMAQI
13th Jul 20253912 AMAQI
13th Jul 2025391 AMAQI
13th Jul 2025402 AMAQI
13th Jul 2025363 AMAQI
13th Jul 2025324 AMAQI
13th Jul 2025365 AMAQI

23°C9/33°C

13th Jul 2025386 AMAQI
13th Jul 2025387 AMAQI
13th Jul 2025398 AMAQI
13th Jul 2025429 AMAQI
13th Jul 20254310 AMAQI
13th Jul 20254111 AMAQI
13th Jul 20253912 PMAQI
13th Jul 2025371 PMAQI
13th Jul 2025412 PMAQI
13th Jul 2025403 PMAQI
13th Jul 2025384 PMAQI
13th Jul 2025385 PMAQI
13th Jul 2025366 PMAQI
13th Jul 2025397 PMAQI
13th Jul 2025398 PMAQI
13th Jul 2025369 PMAQI
13th Jul 20253610 PMAQI
13th Jul 20253611 PMAQI
14th Jul 20253512 AMAQI
14th Jul 2025371 AMAQI
14th Jul 2025392 AMAQI
14th Jul 2025343 AMAQI
14th Jul 2025374 AMAQI
14th Jul 2025365 AMAQI

25°C13/35°C

14th Jul 2025356 AMAQI
14th Jul 2025357 AMAQI
14th Jul 2025368 AMAQI
14th Jul 2025369 AMAQI
14th Jul 20254010 AMAQI
14th Jul 20254511 AMAQI
14th Jul 20254412 PMAQI
14th Jul 2025421 PMAQI
14th Jul 2025382 PMAQI
14th Jul 2025403 PMAQI
14th Jul 2025394 PMAQI
14th Jul 2025375 PMAQI
14th Jul 2025376 PMAQI
14th Jul 2025377 PMAQI
14th Jul 2025378 PMAQI
14th Jul 2025349 PMAQI
14th Jul 20253410 PMAQI
14th Jul 20253611 PMAQI
15th Jul 20254312 AMAQI
15th Jul 2025441 AMAQI
15th Jul 2025412 AMAQI
15th Jul 2025413 AMAQI
15th Jul 2025434 AMAQI
15th Jul 2025445 AMAQI

27°C16/36°C

15th Jul 2025456 AMAQI
15th Jul 2025487 AMAQI
15th Jul 2025468 AMAQI
15th Jul 2025369 AMAQI
15th Jul 20253910 AMAQI
15th Jul 20254511 AMAQI
15th Jul 20254812 PMAQI
15th Jul 2025471 PMAQI
15th Jul 2025442 PMAQI
15th Jul 2025413 PMAQI
15th Jul 2025454 PMAQI
15th Jul 2025445 PMAQI
15th Jul 2025456 PMAQI
15th Jul 2025447 PMAQI
15th Jul 2025448 PMAQI
15th Jul 2025459 PMAQI
15th Jul 20254610 PMAQI
15th Jul 20254611 PMAQI
16th Jul 20254412 AMAQI
16th Jul 2025421 AMAQI
16th Jul 2025432 AMAQI
16th Jul 2025433 AMAQI
16th Jul 2025414 AMAQI
16th Jul 2025425 AMAQI

26°C16/37°C

16th Jul 2025416 AMAQI
16th Jul 2025437 AMAQI
16th Jul 2025458 AMAQI
16th Jul 2025489 AMAQI
16th Jul 20254810 AMAQI
16th Jul 20254811 AMAQI
16th Jul 20254912 PMAQI
16th Jul 2025491 PMAQI
16th Jul 2025492 PMAQI
16th Jul 2025463 PMAQI
16th Jul 2025454 PMAQI
16th Jul 2025455 PMAQI
16th Jul 2025456 PMAQI
16th Jul 2025447 PMAQI
16th Jul 2025448 PMAQI
16th Jul 2025439 PMAQI
16th Jul 20254410 PMAQI
16th Jul 20254511 PMAQI
17th Jul 20254512 AMAQI
17th Jul 2025441 AMAQI
17th Jul 2025452 AMAQI
17th Jul 2025463 AMAQI
17th Jul 2025484 AMAQI
17th Jul 2025475 AMAQI

24°C12/34°C

17th Jul 2025466 AMAQI
17th Jul 2025467 AMAQI
17th Jul 2025468 AMAQI
17th Jul 2025479 AMAQI
17th Jul 20254910 AMAQI
17th Jul 20254711 AMAQI
17th Jul 20254812 PMAQI
17th Jul 2025501 PMAQI
17th Jul 2025482 PMAQI
17th Jul 2025483 PMAQI
17th Jul 2025494 PMAQI
17th Jul 2025495 PMAQI
17th Jul 2025476 PMAQI
17th Jul 2025467 PMAQI
17th Jul 2025478 PMAQI
17th Jul 2025449 PMAQI
17th Jul 20254610 PMAQI
17th Jul 20254611 PMAQI
18th Jul 20254612 AMAQI
18th Jul 2025451 AMAQI
18th Jul 2025392 AMAQI
18th Jul 2025343 AMAQI
18th Jul 2025384 AMAQI
18th Jul 2025365 AMAQI

26°C13/36°C

18th Jul 2025396 AMAQI
18th Jul 2025407 AMAQI
18th Jul 2025408 AMAQI
18th Jul 2025429 AMAQI
18th Jul 20254710 AMAQI
18th Jul 20255011 AMAQI
18th Jul 20254712 PMAQI
18th Jul 2025501 PMAQI
18th Jul 2025482 PMAQI
18th Jul 2025463 PMAQI
18th Jul 2025454 PMAQI
18th Jul 2025465 PMAQI
18th Jul 2025466 PMAQI
18th Jul 2025457 PMAQI
18th Jul 2025448 PMAQI
18th Jul 2025429 PMAQI
18th Jul 20254110 PMAQI
18th Jul 20254011 PMAQI
19th Jul 20253912 AMAQI
19th Jul 2025411 AMAQI
19th Jul 2025392 AMAQI
19th Jul 2025373 AMAQI
19th Jul 2025394 AMAQI
19th Jul 2025435 AMAQI

24°C15/33°C

19th Jul 2025426 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025488 AMAQI
19th Jul 2025499 AMAQI
19th Jul 20255010 AMAQI
19th Jul 20255211 AMAQI
19th Jul 20255112 PMAQI
19th Jul 2025491 PMAQI
19th Jul 2025472 PMAQI
19th Jul 2025423 PMAQI
19th Jul 2025404 PMAQI
19th Jul 2025405 PMAQI
19th Jul 2025406 PMAQI
19th Jul 2025407 PMAQI
19th Jul 2025408 PMAQI
19th Jul 2025409 PMAQI
19th Jul 20254210 PMAQI
19th Jul 20254111 PMAQI
20th Jul 20254012 AMAQI
20th Jul 2025401 AMAQI
20th Jul 2025382 AMAQI
20th Jul 2025413 AMAQI
20th Jul 2025414 AMAQI
20th Jul 2025425 AMAQI

24°C13/33°C

20th Jul 2025416 AMAQI
20th Jul 2025427 AMAQI
20th Jul 2025438 AMAQI
20th Jul 2025489 AMAQI
20th Jul 20254710 AMAQI
20th Jul 20254811 AMAQI
20th Jul 20254712 PMAQI
20th Jul 2025501 PMAQI
20th Jul 2025482 PMAQI
20th Jul 2025463 PMAQI
20th Jul 2025464 PMAQI
20th Jul 2025465 PMAQI
20th Jul 2025456 PMAQI
20th Jul 2025447 PMAQI
20th Jul 2025448 PMAQI
20th Jul 2025429 PMAQI
20th Jul 20254210 PMAQI
20th Jul 20254211 PMAQI
21st Jul 20254212 AMAQI
21st Jul 2025441 AMAQI
21st Jul 2025382 AMAQI
21st Jul 2025453 AMAQI
21st Jul 2025434 AMAQI
21st Jul 2025465 AMAQI

24°C11/35°C

21st Jul 2025436 AMAQI
21st Jul 2025437 AMAQI
21st Jul 2025458 AMAQI
21st Jul 2025489 AMAQI
21st Jul 20255110 AMAQI
21st Jul 20254911 AMAQI
21st Jul 20255112 PMAQI
21st Jul 2025471 PMAQI
21st Jul 2025462 PMAQI
21st Jul 2025463 PMAQI
21st Jul 2025484 PMAQI
21st Jul 2025475 PMAQI
21st Jul 2025486 PMAQI
21st Jul 2025497 PMAQI
21st Jul 2025478 PMAQI
21st Jul 2025449 PMAQI
21st Jul 20254710 PMAQI
21st Jul 20254711 PMAQI
22nd Jul 20254512 AMAQI
22nd Jul 2025401 AMAQI
22nd Jul 2025352 AMAQI
22nd Jul 2025273 AMAQI
22nd Jul 2025294 AMAQI
22nd Jul 2025325 AMAQI

25°C14/35°C

22nd Jul 2025316 AMAQI
22nd Jul 2025327 AMAQI
22nd Jul 2025368 AMAQI
22nd Jul 2025429 AMAQI
22nd Jul 20254010 AMAQI
22nd Jul 20254211 AMAQI
22nd Jul 20254412 PMAQI
22nd Jul 2025411 PMAQI
22nd Jul 2025402 PMAQI
22nd Jul 2025383 PMAQI
22nd Jul 2025374 PMAQI
22nd Jul 2025385 PMAQI
22nd Jul 2025386 PMAQI
22nd Jul 2025367 PMAQI
22nd Jul 2025378 PMAQI
22nd Jul 2025389 PMAQI
22nd Jul 20253710 PMAQI
22nd Jul 20254011 PMAQI
23rd Jul 20254112 AMAQI
23rd Jul 2025401 AMAQI
23rd Jul 2025402 AMAQI
23rd Jul 2025383 AMAQI
23rd Jul 2025364 AMAQI
23rd Jul 2025325 AMAQI

24°C17/32°C

23rd Jul 2025346 AMAQI
23rd Jul 2025377 AMAQI
23rd Jul 2025378 AMAQI
23rd Jul 2025429 AMAQI
23rd Jul 20254610 AMAQI
23rd Jul 20254411 AMAQI
23rd Jul 20254512 PMAQI
23rd Jul 2025421 PMAQI
23rd Jul 2025412 PMAQI
23rd Jul 2025403 PMAQI
23rd Jul 2025394 PMAQI
23rd Jul 2025385 PMAQI
23rd Jul 2025386 PMAQI
23rd Jul 2025407 PMAQI
23rd Jul 2025388 PMAQI
23rd Jul 2025359 PMAQI
23rd Jul 20253510 PMAQI
23rd Jul 20253711 PMAQI
24th Jul 20253612 AMAQI
24th Jul 2025361 AMAQI
24th Jul 2025362 AMAQI
24th Jul 2025413 AMAQI
24th Jul 2025414 AMAQI
24th Jul 2025415 AMAQI

23°C12/33°C

24th Jul 2025476 AMAQI
24th Jul 2025507 AMAQI
24th Jul 2025468 AMAQI
24th Jul 2025399 AMAQI
24th Jul 20254110 AMAQI
24th Jul 20254211 AMAQI
24th Jul 20254112 PMAQI
24th Jul 2025391 PMAQI
24th Jul 2025392 PMAQI
24th Jul 2025423 PMAQI
24th Jul 2025424 PMAQI
24th Jul 2025415 PMAQI
24th Jul 2025406 PMAQI
24th Jul 2025407 PMAQI
24th Jul 2025398 PMAQI
24th Jul 2025419 PMAQI
24th Jul 20254310 PMAQI
24th Jul 20254511 PMAQI
25th Jul 20254812 AMAQI
25th Jul 2025501 AMAQI
25th Jul 2025492 AMAQI
25th Jul 2025513 AMAQI
25th Jul 2025514 AMAQI
25th Jul 2025485 AMAQI

22°C10/34°C

25th Jul 2025436 AMAQI
25th Jul 2025497 AMAQI
25th Jul 2025508 AMAQI
25th Jul 2025549 AMAQI
25th Jul 20255610 AMAQI
25th Jul 20255611 AMAQI
25th Jul 20255512 PMAQI
25th Jul 2025521 PMAQI
25th Jul 2025502 PMAQI
25th Jul 2025523 PMAQI
25th Jul 2025504 PMAQI
25th Jul 2025475 PMAQI
25th Jul 2025496 PMAQI
25th Jul 2025507 PMAQI
25th Jul 2025508 PMAQI
25th Jul 2025479 PMAQI
25th Jul 20254410 PMAQI
25th Jul 20254511 PMAQI
26th Jul 20254812 AMAQI
26th Jul 2025511 AMAQI
26th Jul 2025482 AMAQI
26th Jul 2025343 AMAQI
26th Jul 2025404 AMAQI
26th Jul 2025315 AMAQI

22°C9/34°C

26th Jul 2025386 AMAQI
26th Jul 2025457 AMAQI
26th Jul 2025448 AMAQI
26th Jul 2025469 AMAQI
26th Jul 20255210 AMAQI
26th Jul 20255011 AMAQI
26th Jul 20254912 PMAQI
26th Jul 2025471 PMAQI
26th Jul 2025452 PMAQI
26th Jul 2025423 PMAQI
26th Jul 2025424 PMAQI
26th Jul 2025405 PMAQI
26th Jul 2025396 PMAQI
26th Jul 2025427 PMAQI
26th Jul 2025468 PMAQI
26th Jul 2025439 PMAQI
26th Jul 20254010 PMAQI
26th Jul 20254011 PMAQI
27th Jul 20254012 AMAQI
27th Jul 2025421 AMAQI
27th Jul 2025352 AMAQI
27th Jul 2025343 AMAQI
27th Jul 2025334 AMAQI
27th Jul 2025325 AMAQI

22°C12/33°C

27th Jul 2025336 AMAQI
27th Jul 2025377 AMAQI
27th Jul 2025388 AMAQI
27th Jul 2025409 AMAQI
27th Jul 20254210 AMAQI
27th Jul 20254211 AMAQI
27th Jul 20254012 PMAQI
27th Jul 2025341 PMAQI
27th Jul 2025382 PMAQI
27th Jul 2025353 PMAQI
27th Jul 2025324 PMAQI
27th Jul 2025325 PMAQI
27th Jul 2025326 PMAQI
27th Jul 2025357 PMAQI
27th Jul 2025368 PMAQI
27th Jul 2025359 PMAQI
27th Jul 20253410 PMAQI
27th Jul 20253311 PMAQI
28th Jul 20253212 AMAQI
28th Jul 2025261 AMAQI
28th Jul 2025232 AMAQI
28th Jul 2025243 AMAQI
28th Jul 2025244 AMAQI
28th Jul 2025265 AMAQI

22°C11/33°C

28th Jul 2025266 AMAQI
28th Jul 2025267 AMAQI
28th Jul 2025298 AMAQI
28th Jul 2025409 AMAQI
28th Jul 20253910 AMAQI
28th Jul 20254311 AMAQI
28th Jul 20254512 PMAQI
28th Jul 2025411 PMAQI
28th Jul 2025382 PMAQI
28th Jul 2025353 PMAQI
28th Jul 2025324 PMAQI
28th Jul 2025295 PMAQI
28th Jul 2025286 PMAQI
28th Jul 2025307 PMAQI
28th Jul 2025298 PMAQI
28th Jul 2025299 PMAQI
28th Jul 20252910 PMAQI
28th Jul 20253111 PMAQI
29th Jul 20253212 AMAQI
29th Jul 2025351 AMAQI
29th Jul 2025342 AMAQI
29th Jul 2025323 AMAQI
29th Jul 2025324 AMAQI
29th Jul 2025285 AMAQI

24°C11/35°C

29th Jul 2025296 AMAQI
29th Jul 2025307 AMAQI
29th Jul 2025328 AMAQI
29th Jul 2025359 AMAQI
29th Jul 20254710 AMAQI
29th Jul 20254811 AMAQI
29th Jul 20254612 PMAQI
29th Jul 2025441 PMAQI
29th Jul 2025452 PMAQI
29th Jul 2025403 PMAQI
29th Jul 2025404 PMAQI
29th Jul 2025365 PMAQI
29th Jul 2025336 PMAQI
29th Jul 2025367 PMAQI
29th Jul 2025388 PMAQI
29th Jul 2025449 PMAQI
29th Jul 20254010 PMAQI
29th Jul 20254011 PMAQI
30th Jul 20254212 AMAQI
30th Jul 2025411 AMAQI
30th Jul 2025352 AMAQI
30th Jul 2025363 AMAQI
30th Jul 2025324 AMAQI
30th Jul 2025315 AMAQI

25°C13/36°C

30th Jul 2025336 AMAQI
30th Jul 2025387 AMAQI
30th Jul 2025388 AMAQI
30th Jul 2025429 AMAQI
30th Jul 20254610 AMAQI
30th Jul 20254811 AMAQI
30th Jul 20255012 PMAQI
30th Jul 2025491 PMAQI
30th Jul 2025432 PMAQI
30th Jul 2025433 PMAQI
30th Jul 2025434 PMAQI
30th Jul 2025435 PMAQI
30th Jul 2025436 PMAQI
30th Jul 2025437 PMAQI
30th Jul 2025438 PMAQI
30th Jul 2025409 PMAQI
30th Jul 20254110 PMAQI
30th Jul 20254011 PMAQI
31st Jul 20254112 AMAQI
31st Jul 2025411 AMAQI
31st Jul 2025472 AMAQI
31st Jul 2025473 AMAQI
31st Jul 2025384 AMAQI
31st Jul 2025385 AMAQI

23°C10/36°C

31st Jul 2025516 AMAQI
31st Jul 2025557 AMAQI
31st Jul 2025578 AMAQI
31st Jul 2025579 AMAQI
31st Jul 20255810 AMAQI
31st Jul 20255311 AMAQI
31st Jul 20255312 PMAQI
31st Jul 2025541 PMAQI
31st Jul 2025552 PMAQI
31st Jul 2025553 PMAQI
31st Jul 2025494 PMAQI
31st Jul 2025445 PMAQI
31st Jul 2025396 PMAQI
31st Jul 2025527 PMAQI
31st Jul 2025498 PMAQI
31st Jul 2025479 PMAQI
31st Jul 20253910 PMAQI
31st Jul 20254211 PMAQI
1st Aug 20254412 AMAQI
1st Aug 2025461 AMAQI
1st Aug 2025452 AMAQI
1st Aug 2025453 AMAQI
1st Aug 2025464 AMAQI
1st Aug 2025455 AMAQI

23°C10/34°C

1st Aug 2025466 AMAQI
1st Aug 2025487 AMAQI
1st Aug 2025488 AMAQI
1st Aug 2025509 AMAQI
1st Aug 20255310 AMAQI
1st Aug 20255311 AMAQI
1st Aug 20255412 PMAQI
1st Aug 2025561 PMAQI
1st Aug 2025572 PMAQI
1st Aug 2025553 PMAQI
1st Aug 2025534 PMAQI
1st Aug 2025465 PMAQI
1st Aug 2025476 PMAQI
1st Aug 2025497 PMAQI
1st Aug 2025448 PMAQI
1st Aug 2025399 PMAQI
1st Aug 20253710 PMAQI
1st Aug 20253711 PMAQI
2nd Aug 20253912 AMAQI
2nd Aug 2025381 AMAQI
2nd Aug 2025362 AMAQI
2nd Aug 2025363 AMAQI
2nd Aug 2025354 AMAQI
2nd Aug 2025345 AMAQI

23°C12/34°C

2nd Aug 2025346 AMAQI
2nd Aug 2025347 AMAQI
2nd Aug 2025358 AMAQI
2nd Aug 2025379 AMAQI
2nd Aug 20253610 AMAQI
2nd Aug 20253811 AMAQI
2nd Aug 20253812 PMAQI
2nd Aug 2025361 PMAQI
2nd Aug 2025362 PMAQI
2nd Aug 2025353 PMAQI
2nd Aug 2025334 PMAQI
2nd Aug 2025305 PMAQI
2nd Aug 2025346 PMAQI
2nd Aug 2025367 PMAQI
2nd Aug 2025348 PMAQI
2nd Aug 2025359 PMAQI
2nd Aug 20254210 PMAQI
2nd Aug 20254011 PMAQI
3rd Aug 20254612 AMAQI
3rd Aug 2025431 AMAQI
3rd Aug 2025442 AMAQI
3rd Aug 2025433 AMAQI
3rd Aug 2025424 AMAQI
3rd Aug 2025415 AMAQI

22°C12/33°C

3rd Aug 2025406 AMAQI
6 AM
3rd Aug 2025397 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025409 AMAQI
3rd Aug 20254410 AMAQI
3rd Aug 20254211 AMAQI
3rd Aug 20254112 PMAQI
3rd Aug 2025391 PMAQI
1 PM
3rd Aug 2025402 PMAQI
3rd Aug 2025393 PMAQI
3rd Aug 2025384 PMAQI
3rd Aug 2025365 PMAQI
8 PM
1 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
6 AM - 8 PM

43AQI

15 hours / Day
450 hours / Month
Avg. Lowest Time
6 AM - 8 PM

43AQI

15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 8 PM (Avg. 43), while the lowest AQI was between 6 AM to 8 PM (Avg. 43).
Night time
Avg. Highest Time
12 AM - 11 PM

41AQI

9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM

41AQI

9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 41), while the lowest AQI was between 12 AM to 11 PM (Avg. 41).

2025 Days Vs Air Quality

Smithfield, Utah, United States

2025

93%

200

7%

14

Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)

Good
200 Days
Moderate
14 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 93%

Health Risk Level:

Very Low

In 2025, 93% of 215 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.

Annual Air Quality Insights

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

34AQI

24AQI

23AQI

25AQI

27AQI

36AQI

43AQI

47AQI

No. of days

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

202530AQI

26
5
28
29
2
30
31
30
25
6
1
1
200
14

Highest AQI recorded in

August

47AQI

Lowest AQI recorded in

March

23AQI

202436AQI

14
17
27
2
31
30
31
30
16
14
21
10
27
3
31
30
20
11
308
57

Highest AQI recorded in

January

51AQI

Lowest AQI recorded in

November

20AQI

202340AQI

19
12
14
5
7
2
28
3
29
1
27
3
30
31
29
2
30
31
25
2
18
13
311
41
7
2

Highest AQI recorded in

February

72AQI

Lowest AQI recorded in

October

26AQI

202240AQI

15
13
2
14
8
28
3
17
31
27
3
19
2
1
25
3
1
28
3
29
1
21
6
4
255
42
6
1

Highest AQI recorded in

January

56AQI

Lowest AQI recorded in

May

30AQI

202142AQI

17
12
1
28
31
30
31
22
7
15
16
9
17
5
17
12
1
31
30
24
4
3
285
68
10

Highest AQI recorded in

August

73AQI

Lowest AQI recorded in

October

29AQI

202040AQI

1
20
18
30
31
20
8
2
1
16
14
23
7
1
30
17
13
1
206
42
4
1

Highest AQI recorded in

August

56AQI

Lowest AQI recorded in

April

29AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2021(Avg.)
42AQI
Least Polluted Year Recorded
2025(Avg.)
30AQI

Smithfield's annual 2025 AQI (30) shows an average percentage change of -23.09% (improved AQI) compared to previous years: 2020 (40), 2021 (42), 2022 (40), 2023 (40), 2024 (36).