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HistoryAQIPM2.5PM10COSO2NO2O3

Duluth Wdse, Duluth, Minnesota, 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

Duluth Wdse, Duluth, Minnesota, United States

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Aug 2025
163AQI
Lowest AQI recorded on
28th Aug 2021
13AQI

Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 163 of Unhealthy air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

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

Duluth Wdse, Duluth, Minnesota, United States

AQI
Day
Night
.

5 AM1st Aug 2025

8 PM

4 AM2nd Aug 2025

Day time
Avg. Highest Time
8AM1st Aug

166AQI

Avg. Lowest Time
8PM1st Aug

160AQI

Night time
Avg. Highest Time
10PM1st Aug

159AQI

Avg. Lowest Time
11PM1st Aug

154AQI

In the last 24 hours,

Duluth Wdse's AQI reached its highest point of 166 at 8 AM during the Day, while the lowest point, 154, was recorded at 11 PM during the Night between 1st Aug and 2nd Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Duluth Wdse, Duluth, Minnesota, 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 2025485 AMAQI
3rd Jul 2025506 AMAQI
3rd Jul 2025467 AMAQI
3rd Jul 2025428 AMAQI
3rd Jul 2025469 AMAQI
3rd Jul 20255210 AMAQI
3rd Jul 20255311 AMAQI
3rd Jul 20254912 PMAQI
3rd Jul 2025481 PMAQI
3rd Jul 2025492 PMAQI
3rd Jul 2025413 PMAQI
3rd Jul 2025424 PMAQI
3rd Jul 2025425 PMAQI
3rd Jul 2025436 PMAQI
3rd Jul 2025427 PMAQI
3rd Jul 2025448 PMAQI
3rd Jul 2025409 PMAQI
3rd Jul 20253810 PMAQI
3rd Jul 20254011 PMAQI
4th Jul 20254712 AMAQI
4th Jul 2025481 AMAQI
4th Jul 2025532 AMAQI
4th Jul 2025403 AMAQI
4th Jul 2025424 AMAQI

20°C13/27°C

4th Jul 2025425 AMAQI
4th Jul 2025426 AMAQI
4th Jul 2025467 AMAQI
4th Jul 2025478 AMAQI
4th Jul 2025459 AMAQI
4th Jul 20254410 AMAQI
4th Jul 20254111 AMAQI
4th Jul 20254312 PMAQI
4th Jul 2025471 PMAQI
4th Jul 2025482 PMAQI
4th Jul 2025473 PMAQI
4th Jul 2025484 PMAQI
4th Jul 2025485 PMAQI
4th Jul 2025526 PMAQI
4th Jul 2025487 PMAQI
4th Jul 2025468 PMAQI
4th Jul 2025499 PMAQI
4th Jul 20255210 PMAQI
4th Jul 20255211 PMAQI
5th Jul 20255212 AMAQI
5th Jul 2025481 AMAQI
5th Jul 2025262 AMAQI
5th Jul 2025233 AMAQI
5th Jul 2025204 AMAQI

24°C14/35°C

5th Jul 2025185 AMAQI
5th Jul 2025216 AMAQI
5th Jul 2025237 AMAQI
5th Jul 2025248 AMAQI
5th Jul 2025239 AMAQI
5th Jul 20252310 AMAQI
5th Jul 20252511 AMAQI
5th Jul 20252412 PMAQI
5th Jul 2025261 PMAQI
5th Jul 2025252 PMAQI
5th Jul 2025263 PMAQI
5th Jul 2025274 PMAQI
5th Jul 2025265 PMAQI
5th Jul 2025296 PMAQI
5th Jul 2025307 PMAQI
5th Jul 2025338 PMAQI
5th Jul 2025429 PMAQI
5th Jul 20253010 PMAQI
5th Jul 20253511 PMAQI
6th Jul 20254612 AMAQI
6th Jul 2025441 AMAQI
6th Jul 2025492 AMAQI
6th Jul 2025513 AMAQI
6th Jul 2025564 AMAQI

24°C21/28°C

6th Jul 2025585 AMAQI
6th Jul 2025576 AMAQI
6th Jul 2025597 AMAQI
6th Jul 2025608 AMAQI
6th Jul 2025589 AMAQI
6th Jul 20255910 AMAQI
6th Jul 20255411 AMAQI
6th Jul 20255412 PMAQI
6th Jul 2025481 PMAQI
6th Jul 2025452 PMAQI
6th Jul 2025493 PMAQI
6th Jul 2025464 PMAQI
6th Jul 2025465 PMAQI
6th Jul 2025496 PMAQI
6th Jul 2025517 PMAQI
6th Jul 2025528 PMAQI
6th Jul 2025469 PMAQI
6th Jul 20254710 PMAQI
6th Jul 20254511 PMAQI
7th Jul 20254712 AMAQI
7th Jul 2025451 AMAQI
7th Jul 2025302 AMAQI
7th Jul 2025293 AMAQI
7th Jul 2025294 AMAQI

18°C13/21°C

7th Jul 2025275 AMAQI
7th Jul 2025286 AMAQI
7th Jul 2025317 AMAQI
7th Jul 2025338 AMAQI
7th Jul 2025319 AMAQI
7th Jul 20253210 AMAQI
7th Jul 20253211 AMAQI
7th Jul 20253312 PMAQI
7th Jul 2025341 PMAQI
7th Jul 2025362 PMAQI
7th Jul 2025363 PMAQI
7th Jul 2025374 PMAQI
7th Jul 2025355 PMAQI
7th Jul 2025366 PMAQI
7th Jul 2025347 PMAQI
7th Jul 2025358 PMAQI
7th Jul 2025359 PMAQI
7th Jul 20253610 PMAQI
7th Jul 20253711 PMAQI
8th Jul 20253612 AMAQI
8th Jul 2025341 AMAQI
8th Jul 2025302 AMAQI
8th Jul 2025273 AMAQI
8th Jul 2025274 AMAQI

18°C10/27°C

8th Jul 2025305 AMAQI
8th Jul 2025336 AMAQI
8th Jul 2025327 AMAQI
8th Jul 2025318 AMAQI
8th Jul 2025339 AMAQI
8th Jul 20253210 AMAQI
8th Jul 20253411 AMAQI
8th Jul 20253512 PMAQI
8th Jul 2025371 PMAQI
8th Jul 2025362 PMAQI
8th Jul 2025363 PMAQI
8th Jul 2025364 PMAQI
8th Jul 2025395 PMAQI
8th Jul 2025376 PMAQI
8th Jul 2025337 PMAQI
8th Jul 2025328 PMAQI
8th Jul 2025329 PMAQI
8th Jul 20253010 PMAQI
8th Jul 20253411 PMAQI
9th Jul 20253412 AMAQI
9th Jul 2025331 AMAQI
9th Jul 2025312 AMAQI
9th Jul 2025313 AMAQI
9th Jul 2025314 AMAQI

17°C11/25°C

9th Jul 2025315 AMAQI
9th Jul 2025326 AMAQI
9th Jul 2025327 AMAQI
9th Jul 2025358 AMAQI
9th Jul 2025349 AMAQI
9th Jul 20253310 AMAQI
9th Jul 20253311 AMAQI
9th Jul 20253412 PMAQI
9th Jul 2025341 PMAQI
9th Jul 2025362 PMAQI
9th Jul 2025363 PMAQI
9th Jul 2025364 PMAQI
9th Jul 2025355 PMAQI
9th Jul 2025356 PMAQI
9th Jul 2025357 PMAQI
9th Jul 2025348 PMAQI
9th Jul 2025349 PMAQI
9th Jul 20253210 PMAQI
9th Jul 20253311 PMAQI
10th Jul 20253412 AMAQI
10th Jul 2025331 AMAQI
10th Jul 2025312 AMAQI
10th Jul 2025283 AMAQI
10th Jul 2025304 AMAQI

17°C11/24°C

10th Jul 2025285 AMAQI
10th Jul 2025286 AMAQI
10th Jul 2025307 AMAQI
10th Jul 2025308 AMAQI
10th Jul 2025309 AMAQI
10th Jul 20253110 AMAQI
10th Jul 20253111 AMAQI
10th Jul 20253112 PMAQI
10th Jul 2025311 PMAQI
10th Jul 2025332 PMAQI
10th Jul 2025323 PMAQI
10th Jul 2025324 PMAQI
10th Jul 2025335 PMAQI
10th Jul 2025346 PMAQI
10th Jul 2025327 PMAQI
10th Jul 2025328 PMAQI
10th Jul 2025329 PMAQI
10th Jul 20253210 PMAQI
10th Jul 20253411 PMAQI
11th Jul 20253412 AMAQI
11th Jul 2025331 AMAQI
11th Jul 2025312 AMAQI
11th Jul 2025323 AMAQI
11th Jul 2025324 AMAQI

16°C11/22°C

11th Jul 2025325 AMAQI
11th Jul 2025326 AMAQI
11th Jul 2025327 AMAQI
11th Jul 2025328 AMAQI
11th Jul 2025369 AMAQI
11th Jul 20253910 AMAQI
11th Jul 20254211 AMAQI
11th Jul 20253812 PMAQI
11th Jul 2025361 PMAQI
11th Jul 2025352 PMAQI
11th Jul 2025363 PMAQI
11th Jul 2025364 PMAQI
11th Jul 2025355 PMAQI
11th Jul 2025366 PMAQI
11th Jul 2025367 PMAQI
11th Jul 2025358 PMAQI
11th Jul 2025369 PMAQI
11th Jul 20253610 PMAQI
11th Jul 20253911 PMAQI
12th Jul 20254212 AMAQI
12th Jul 2025471 AMAQI
12th Jul 20251142 AMAQI
12th Jul 2025923 AMAQI
12th Jul 2025974 AMAQI

22°C14/31°C

12th Jul 2025925 AMAQI
12th Jul 2025906 AMAQI
12th Jul 2025607 AMAQI
12th Jul 2025728 AMAQI
12th Jul 20251219 AMAQI
12th Jul 202515810 AMAQI
12th Jul 202513411 AMAQI
12th Jul 20259812 PMAQI
12th Jul 20251231 PMAQI
12th Jul 2025962 PMAQI
12th Jul 20251313 PMAQI
12th Jul 20251494 PMAQI
12th Jul 2025995 PMAQI
12th Jul 20251086 PMAQI
12th Jul 2025937 PMAQI
12th Jul 20251028 PMAQI
12th Jul 20251249 PMAQI
12th Jul 20259610 PMAQI
12th Jul 202511711 PMAQI
13th Jul 202511712 AMAQI
13th Jul 20251241 AMAQI
13th Jul 20251392 AMAQI
13th Jul 20251263 AMAQI
13th Jul 20251584 AMAQI

21°C17/28°C

13th Jul 20251505 AMAQI
13th Jul 20251406 AMAQI
13th Jul 20251237 AMAQI
13th Jul 20251238 AMAQI
13th Jul 20251169 AMAQI
13th Jul 202510910 AMAQI
13th Jul 202513511 AMAQI
13th Jul 202512712 PMAQI
13th Jul 20251171 PMAQI
13th Jul 20251222 PMAQI
13th Jul 20251103 PMAQI
13th Jul 20251064 PMAQI
13th Jul 2025985 PMAQI
13th Jul 20251046 PMAQI
13th Jul 20251227 PMAQI
13th Jul 20251368 PMAQI
13th Jul 20251129 PMAQI
13th Jul 202511410 PMAQI
13th Jul 202510511 PMAQI
14th Jul 202511312 AMAQI
14th Jul 20251131 AMAQI
14th Jul 2025622 AMAQI
14th Jul 2025903 AMAQI
14th Jul 20251064 AMAQI

24°C14/32°C

14th Jul 20251215 AMAQI
14th Jul 20251336 AMAQI
14th Jul 20251367 AMAQI
14th Jul 20251308 AMAQI
14th Jul 20251339 AMAQI
14th Jul 202512810 AMAQI
14th Jul 202515211 AMAQI
14th Jul 202515112 PMAQI
14th Jul 20251441 PMAQI
14th Jul 20251282 PMAQI
14th Jul 20251203 PMAQI
14th Jul 20251134 PMAQI
14th Jul 20251135 PMAQI
14th Jul 20251026 PMAQI
14th Jul 20251167 PMAQI
14th Jul 20251268 PMAQI
14th Jul 20251019 PMAQI
14th Jul 20259910 PMAQI
14th Jul 20259911 PMAQI
15th Jul 20259912 AMAQI
15th Jul 2025901 AMAQI
15th Jul 2025912 AMAQI
15th Jul 2025913 AMAQI
15th Jul 2025914 AMAQI

25°C15/32°C

15th Jul 2025935 AMAQI
15th Jul 2025886 AMAQI
15th Jul 2025847 AMAQI
15th Jul 2025838 AMAQI
15th Jul 2025829 AMAQI
15th Jul 20257310 AMAQI
15th Jul 20257611 AMAQI
15th Jul 20257212 PMAQI
15th Jul 2025741 PMAQI
15th Jul 2025722 PMAQI
15th Jul 2025763 PMAQI
15th Jul 2025784 PMAQI
15th Jul 2025785 PMAQI
15th Jul 2025786 PMAQI
15th Jul 2025827 PMAQI
15th Jul 2025798 PMAQI
15th Jul 2025729 PMAQI
15th Jul 20257210 PMAQI
15th Jul 20257111 PMAQI
16th Jul 20257112 AMAQI
16th Jul 2025691 AMAQI
16th Jul 2025622 AMAQI
16th Jul 2025593 AMAQI
16th Jul 2025504 AMAQI

22°C17/31°C

16th Jul 2025515 AMAQI
16th Jul 2025526 AMAQI
16th Jul 2025537 AMAQI
16th Jul 2025488 AMAQI
16th Jul 2025449 AMAQI
16th Jul 20254310 AMAQI
16th Jul 20254411 AMAQI
16th Jul 20254212 PMAQI
16th Jul 2025451 PMAQI
16th Jul 2025462 PMAQI
16th Jul 2025433 PMAQI
16th Jul 2025454 PMAQI
16th Jul 2025435 PMAQI
16th Jul 2025436 PMAQI
16th Jul 2025507 PMAQI
16th Jul 2025488 PMAQI
16th Jul 2025419 PMAQI
16th Jul 20254210 PMAQI
16th Jul 20253711 PMAQI
17th Jul 20253812 AMAQI
17th Jul 2025361 AMAQI
17th Jul 2025362 AMAQI
17th Jul 2025363 AMAQI
17th Jul 2025364 AMAQI

14°C12/15°C

17th Jul 2025365 AMAQI
17th Jul 2025346 AMAQI
17th Jul 2025317 AMAQI
17th Jul 2025318 AMAQI
17th Jul 2025319 AMAQI
17th Jul 20253110 AMAQI
17th Jul 20253111 AMAQI
17th Jul 20253212 PMAQI
17th Jul 2025341 PMAQI
17th Jul 2025342 PMAQI
17th Jul 2025353 PMAQI
17th Jul 2025354 PMAQI
17th Jul 2025365 PMAQI
17th Jul 2025356 PMAQI
17th Jul 2025307 PMAQI
17th Jul 2025318 PMAQI
17th Jul 2025429 PMAQI
17th Jul 20254510 PMAQI
17th Jul 20254811 PMAQI
18th Jul 20254612 AMAQI
18th Jul 2025451 AMAQI
18th Jul 2025492 AMAQI
18th Jul 2025453 AMAQI
18th Jul 2025414 AMAQI

16°C9/25°C

18th Jul 2025375 AMAQI
18th Jul 2025366 AMAQI
18th Jul 2025367 AMAQI
18th Jul 2025388 AMAQI
18th Jul 2025399 AMAQI
18th Jul 20254010 AMAQI
18th Jul 20253911 AMAQI
18th Jul 20254512 PMAQI
18th Jul 2025421 PMAQI
18th Jul 2025402 PMAQI
18th Jul 2025423 PMAQI
18th Jul 2025424 PMAQI
18th Jul 2025415 PMAQI
18th Jul 2025416 PMAQI
18th Jul 2025407 PMAQI
18th Jul 2025398 PMAQI
18th Jul 2025389 PMAQI
18th Jul 20253910 PMAQI
18th Jul 20253811 PMAQI
19th Jul 20253812 AMAQI
19th Jul 2025371 AMAQI
19th Jul 2025302 AMAQI
19th Jul 2025303 AMAQI
19th Jul 2025284 AMAQI

14°C7/18°C

19th Jul 2025275 AMAQI
19th Jul 2025286 AMAQI
19th Jul 2025277 AMAQI
19th Jul 2025258 AMAQI
19th Jul 2025269 AMAQI
19th Jul 20252410 AMAQI
19th Jul 20252311 AMAQI
19th Jul 20252412 PMAQI
19th Jul 2025251 PMAQI
19th Jul 2025262 PMAQI
19th Jul 2025263 PMAQI
19th Jul 2025304 PMAQI
19th Jul 2025285 PMAQI
19th Jul 2025286 PMAQI
19th Jul 2025287 PMAQI
19th Jul 2025288 PMAQI
19th Jul 2025319 PMAQI
19th Jul 20253210 PMAQI
19th Jul 20253811 PMAQI
20th Jul 20253812 AMAQI
20th Jul 2025371 AMAQI
20th Jul 2025482 AMAQI
20th Jul 2025623 AMAQI
20th Jul 2025544 AMAQI

17°C13/23°C

20th Jul 2025485 AMAQI
20th Jul 2025466 AMAQI
20th Jul 2025527 AMAQI
20th Jul 2025568 AMAQI
20th Jul 2025569 AMAQI
20th Jul 20255610 AMAQI
20th Jul 20255611 AMAQI
20th Jul 20256112 PMAQI
20th Jul 2025611 PMAQI
20th Jul 2025552 PMAQI
20th Jul 2025543 PMAQI
20th Jul 2025544 PMAQI
20th Jul 2025545 PMAQI
20th Jul 2025546 PMAQI
20th Jul 2025547 PMAQI
20th Jul 2025558 PMAQI
20th Jul 2025529 PMAQI
20th Jul 20255310 PMAQI
20th Jul 20255411 PMAQI
21st Jul 20255612 AMAQI
21st Jul 2025561 AMAQI
21st Jul 2025582 AMAQI
21st Jul 2025563 AMAQI
21st Jul 2025544 AMAQI

16°C9/23°C

21st Jul 2025575 AMAQI
21st Jul 2025606 AMAQI
21st Jul 2025597 AMAQI
21st Jul 2025588 AMAQI
21st Jul 2025599 AMAQI
21st Jul 20256010 AMAQI
21st Jul 20256011 AMAQI
21st Jul 20256212 PMAQI
21st Jul 2025611 PMAQI
21st Jul 2025602 PMAQI
21st Jul 2025633 PMAQI
21st Jul 2025604 PMAQI
21st Jul 2025605 PMAQI
21st Jul 2025596 PMAQI
21st Jul 2025587 PMAQI
21st Jul 2025578 PMAQI
21st Jul 2025569 PMAQI
21st Jul 20255710 PMAQI
21st Jul 20256011 PMAQI
22nd Jul 20255812 AMAQI
22nd Jul 2025581 AMAQI
22nd Jul 2025612 AMAQI
22nd Jul 2025623 AMAQI
22nd Jul 2025644 AMAQI

18°C12/23°C

22nd Jul 2025645 AMAQI
22nd Jul 2025666 AMAQI
22nd Jul 2025637 AMAQI
22nd Jul 2025638 AMAQI
22nd Jul 2025599 AMAQI
22nd Jul 20256210 AMAQI
22nd Jul 20255911 AMAQI
22nd Jul 20256012 PMAQI
22nd Jul 2025601 PMAQI
22nd Jul 2025592 PMAQI
22nd Jul 2025613 PMAQI
22nd Jul 2025624 PMAQI
22nd Jul 2025605 PMAQI
22nd Jul 2025596 PMAQI
22nd Jul 2025597 PMAQI
22nd Jul 2025588 PMAQI
22nd Jul 2025569 PMAQI
22nd Jul 20255510 PMAQI
22nd Jul 20255611 PMAQI
23rd Jul 20255612 AMAQI
23rd Jul 2025571 AMAQI
23rd Jul 2025482 AMAQI
23rd Jul 2025503 AMAQI
23rd Jul 2025464 AMAQI

22°C15/30°C

23rd Jul 2025455 AMAQI
23rd Jul 2025486 AMAQI
23rd Jul 2025487 AMAQI
23rd Jul 2025458 AMAQI
23rd Jul 2025469 AMAQI
23rd Jul 20254810 AMAQI
23rd Jul 20254611 AMAQI
23rd Jul 20254412 PMAQI
23rd Jul 2025341 PMAQI
23rd Jul 2025342 PMAQI
23rd Jul 2025353 PMAQI
23rd Jul 2025374 PMAQI
23rd Jul 2025345 PMAQI
23rd Jul 2025346 PMAQI
23rd Jul 2025437 PMAQI
23rd Jul 2025428 PMAQI
23rd Jul 2025349 PMAQI
23rd Jul 20253410 PMAQI
23rd Jul 20253511 PMAQI
24th Jul 20253612 AMAQI
24th Jul 2025361 AMAQI
24th Jul 2025302 AMAQI
24th Jul 2025363 AMAQI
24th Jul 2025424 AMAQI

23°C20/26°C

24th Jul 2025475 AMAQI
24th Jul 2025516 AMAQI
24th Jul 2025537 AMAQI
24th Jul 2025588 AMAQI
24th Jul 2025359 AMAQI
24th Jul 20253110 AMAQI
24th Jul 20253411 AMAQI
24th Jul 20253412 PMAQI
24th Jul 2025391 PMAQI
24th Jul 2025392 PMAQI
24th Jul 2025423 PMAQI
24th Jul 2025404 PMAQI
24th Jul 2025415 PMAQI
24th Jul 2025476 PMAQI
24th Jul 2025407 PMAQI
24th Jul 2025388 PMAQI
24th Jul 2025389 PMAQI
24th Jul 20254010 PMAQI
24th Jul 20254011 PMAQI
25th Jul 20254012 AMAQI
25th Jul 2025441 AMAQI
25th Jul 2025612 AMAQI
25th Jul 2025563 AMAQI
25th Jul 2025604 AMAQI

23°C17/28°C

25th Jul 2025575 AMAQI
25th Jul 2025616 AMAQI
25th Jul 2025667 AMAQI
25th Jul 2025608 AMAQI
25th Jul 2025519 AMAQI
25th Jul 20255810 AMAQI
25th Jul 20256211 AMAQI
25th Jul 20257112 PMAQI
25th Jul 2025681 PMAQI
25th Jul 2025742 PMAQI
25th Jul 2025703 PMAQI
25th Jul 2025714 PMAQI
25th Jul 2025665 PMAQI
25th Jul 2025656 PMAQI
25th Jul 2025627 PMAQI
25th Jul 2025598 PMAQI
25th Jul 2025609 PMAQI
25th Jul 20256210 PMAQI
25th Jul 20256211 PMAQI
26th Jul 20256312 AMAQI
26th Jul 2025611 AMAQI
26th Jul 2025642 AMAQI
26th Jul 2025663 AMAQI
26th Jul 2025654 AMAQI

21°C13/29°C

26th Jul 2025625 AMAQI
26th Jul 2025706 AMAQI
26th Jul 2025967 AMAQI
26th Jul 2025738 AMAQI
26th Jul 2025869 AMAQI
26th Jul 20257910 AMAQI
26th Jul 20257811 AMAQI
26th Jul 20256612 PMAQI
26th Jul 2025641 PMAQI
26th Jul 2025582 PMAQI
26th Jul 2025593 PMAQI
26th Jul 2025604 PMAQI
26th Jul 2025565 PMAQI
26th Jul 2025546 PMAQI
26th Jul 2025587 PMAQI
26th Jul 2025618 PMAQI
26th Jul 2025569 PMAQI
26th Jul 20255410 PMAQI
26th Jul 20255611 PMAQI
27th Jul 20255712 AMAQI
27th Jul 2025551 AMAQI
27th Jul 2025342 AMAQI
27th Jul 2025333 AMAQI
27th Jul 2025324 AMAQI

24°C16/32°C

27th Jul 2025345 AMAQI
27th Jul 2025316 AMAQI
27th Jul 2025327 AMAQI
27th Jul 2025328 AMAQI
27th Jul 2025329 AMAQI
27th Jul 20253410 AMAQI
27th Jul 20253011 AMAQI
27th Jul 20253312 PMAQI
27th Jul 2025341 PMAQI
27th Jul 2025382 PMAQI
27th Jul 2025363 PMAQI
27th Jul 2025384 PMAQI
27th Jul 2025365 PMAQI
27th Jul 2025366 PMAQI
27th Jul 2025367 PMAQI
27th Jul 2025368 PMAQI
27th Jul 2025369 PMAQI
27th Jul 20253510 PMAQI
27th Jul 20253611 PMAQI
28th Jul 20253612 AMAQI
28th Jul 2025371 AMAQI
28th Jul 2025332 AMAQI
28th Jul 2025323 AMAQI
28th Jul 2025304 AMAQI

26°C17/34°C

28th Jul 2025285 AMAQI
28th Jul 2025306 AMAQI
28th Jul 2025327 AMAQI
28th Jul 2025348 AMAQI
28th Jul 2025349 AMAQI
28th Jul 20253510 AMAQI
28th Jul 20253611 AMAQI
28th Jul 20253812 PMAQI
28th Jul 2025401 PMAQI
28th Jul 2025382 PMAQI
28th Jul 2025383 PMAQI
28th Jul 2025394 PMAQI
28th Jul 2025385 PMAQI
28th Jul 2025386 PMAQI
28th Jul 2025367 PMAQI
28th Jul 2025368 PMAQI
28th Jul 2025379 PMAQI
28th Jul 20253810 PMAQI
28th Jul 20253811 PMAQI
29th Jul 20253912 AMAQI
29th Jul 2025421 AMAQI
29th Jul 2025422 AMAQI
29th Jul 2025423 AMAQI
29th Jul 2025474 AMAQI

25°C18/32°C

29th Jul 2025445 AMAQI
29th Jul 2025416 AMAQI
29th Jul 2025387 AMAQI
29th Jul 2025428 AMAQI
29th Jul 2025509 AMAQI
29th Jul 20256410 AMAQI
29th Jul 20256111 AMAQI
29th Jul 20257012 PMAQI
29th Jul 2025671 PMAQI
29th Jul 2025582 PMAQI
29th Jul 2025543 PMAQI
29th Jul 2025554 PMAQI
29th Jul 2025545 PMAQI
29th Jul 2025546 PMAQI
29th Jul 2025537 PMAQI
29th Jul 2025528 PMAQI
29th Jul 2025549 PMAQI
29th Jul 20255410 PMAQI
29th Jul 20255511 PMAQI
30th Jul 20255412 AMAQI
30th Jul 2025561 AMAQI
30th Jul 2025882 AMAQI
30th Jul 20251003 AMAQI
30th Jul 2025854 AMAQI

23°C19/28°C

30th Jul 2025815 AMAQI
30th Jul 2025876 AMAQI
30th Jul 2025877 AMAQI
30th Jul 2025948 AMAQI
30th Jul 2025929 AMAQI
30th Jul 202510210 AMAQI
30th Jul 202511411 AMAQI
30th Jul 202512812 PMAQI
30th Jul 20251141 PMAQI
30th Jul 20251112 PMAQI
30th Jul 20251083 PMAQI
30th Jul 20251084 PMAQI
30th Jul 20251085 PMAQI
30th Jul 20251086 PMAQI
30th Jul 20251087 PMAQI
30th Jul 20251088 PMAQI
30th Jul 2025969 PMAQI
30th Jul 202510410 PMAQI
30th Jul 202512411 PMAQI
31st Jul 202511712 AMAQI
31st Jul 20251131 AMAQI
31st Jul 20251462 AMAQI
31st Jul 20251513 AMAQI
31st Jul 20251574 AMAQI

20°C16/26°C

31st Jul 20251565 AMAQI
31st Jul 20251596 AMAQI
31st Jul 20251627 AMAQI
31st Jul 20251658 AMAQI
31st Jul 20251629 AMAQI
31st Jul 202516310 AMAQI
31st Jul 202516611 AMAQI
31st Jul 202517112 PMAQI
31st Jul 20251651 PMAQI
31st Jul 20251672 PMAQI
31st Jul 20251693 PMAQI
31st Jul 20251724 PMAQI
31st Jul 20251625 PMAQI
31st Jul 20251676 PMAQI
31st Jul 20251657 PMAQI
31st Jul 20251658 PMAQI
31st Jul 20251649 PMAQI
31st Jul 202516710 PMAQI
31st Jul 202516611 PMAQI
1st Aug 202516612 AMAQI
1st Aug 20251681 AMAQI
1st Aug 20251662 AMAQI
1st Aug 20251653 AMAQI
1st Aug 20251624 AMAQI

18°C12/24°C

1st Aug 20251605 AMAQI
1st Aug 20251616 AMAQI
1st Aug 20251637 AMAQI
1st Aug 20251668 AMAQI
1st Aug 20251659 AMAQI
1st Aug 202516410 AMAQI
1st Aug 202516111 AMAQI
1st Aug 202516212 PMAQI
1st Aug 20251621 PMAQI
1st Aug 20251652 PMAQI
1st Aug 20251653 PMAQI
1st Aug 20251604 PMAQI
1st Aug 20251605 PMAQI
1st Aug 20251616 PMAQI
1st Aug 20251637 PMAQI
1st Aug 20251608 PMAQI
1st Aug 20251589 PMAQI
1st Aug 202515910 PMAQI
1st Aug 202515411 PMAQI
2nd Aug 202515612 AMAQI
2nd Aug 20251581 AMAQI
2nd Aug 20251592 AMAQI
2nd Aug 20251563 AMAQI
2nd Aug 20251574 AMAQI

20°C10/28°C

2nd Aug 20251555 AMAQI
5 AM
2nd Aug 20251556 AMAQI
2nd Aug 20251557 AMAQI
2nd Aug 20251548 AMAQI
2nd Aug 20251559 AMAQI
12 PM
8 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 8 PM

63AQI

16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM

63AQI

16 hours / Day
480 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 PM (Avg. 63), while the lowest AQI was between 5 AM to 8 PM (Avg. 63).
Night time
Avg. Highest Time
12 AM - 4 AM

62AQI

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

60AQI

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. 62), while the lowest AQI was between 9 PM to 11 PM (Avg. 60).

2025 Days Vs Air Quality

Duluth Wdse, Duluth, Minnesota, United States

2025

88%

187

10%

21

1%

3

0.9%

2

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

Good
187 Days
Moderate
21 Days
Poor
3 Days
Unhealthy
2 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 88%

Health Risk Level:

Low

In 2025, 88% of 214 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

Duluth Wdse, Duluth, Minnesota, 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
21AQI
2nd January 2025
22AQI
3rd January 2025
20AQI
4th January 2025
21AQI
5th January 2025
23AQI
6th January 2025
26AQI
7th January 2025
25AQI
8th January 2025
24AQI
9th January 2025
44AQI
10th January 2025
30AQI
11th January 2025
22AQI
12th January 2025
22AQI
13th January 2025
28AQI
14th January 2025
23AQI
15th January 2025
26AQI
16th January 2025
25AQI
17th January 2025
24AQI
18th January 2025
26AQI
19th January 2025
25AQI
20th January 2025
24AQI
21st January 2025
24AQI
22nd January 2025
24AQI
23rd January 2025
24AQI
24th January 2025
26AQI
25th January 2025
29AQI
26th January 2025
27AQI
27th January 2025
28AQI
28th January 2025
27AQI
29th January 2025
28AQI
30th January 2025
31AQI
31st January 2025
27AQI
1st February 2025
27AQI
2nd February 2025
30AQI
3rd February 2025
27AQI
4th February 2025
24AQI
5th February 2025
26AQI
6th February 2025
26AQI
7th February 2025
27AQI
8th February 2025
27AQI
9th February 2025
28AQI
10th February 2025
29AQI
11th February 2025
25AQI
12th February 2025
29AQI
13th February 2025
25AQI
14th February 2025
47AQI
15th February 2025
38AQI
16th February 2025
24AQI
17th February 2025
23AQI
18th February 2025
21AQI
19th February 2025
21AQI
20th February 2025
25AQI
21st February 2025
26AQI
22nd February 2025
39AQI
23rd February 2025
60AQI
24th February 2025
32AQI
25th February 2025
25AQI
26th February 2025
26AQI
27th February 2025
27AQI
28th February 2025
28AQI
1st March 2025
29AQI
2nd March 2025
27AQI
3rd March 2025
33AQI
4th March 2025
37AQI
5th March 2025
29AQI
6th March 2025
29AQI
7th March 2025
31AQI
8th March 2025
30AQI
9th March 2025
30AQI
10th March 2025
27AQI
11th March 2025
29AQI
12th March 2025
29AQI
13th March 2025
23AQI
14th March 2025
34AQI
15th March 2025
30AQI
16th March 2025
15AQI
17th March 2025
16AQI
18th March 2025
16AQI
19th March 2025
17AQI
20th March 2025
19AQI
21st March 2025
19AQI
22nd March 2025
28AQI
23rd March 2025
22AQI
24th March 2025
17AQI
25th March 2025
20AQI
26th March 2025
21AQI
27th March 2025
17AQI
28th March 2025
17AQI
29th March 2025
16AQI
30th March 2025
16AQI
31st March 2025
17AQI
1st April 2025
16AQI
2nd April 2025
17AQI
3rd April 2025
15AQI
4th April 2025
20AQI
5th April 2025
19AQI
6th April 2025
21AQI
7th April 2025
15AQI
8th April 2025
17AQI
9th April 2025
23AQI
10th April 2025
39AQI
11th April 2025
40AQI
12th April 2025
47AQI
13th April 2025
50AQI
14th April 2025
25AQI
15th April 2025
17AQI
16th April 2025
16AQI
17th April 2025
24AQI
18th April 2025
38AQI
19th April 2025
18AQI
20th April 2025
19AQI
21st April 2025
15AQI
22nd April 2025
21AQI
23rd April 2025
16AQI
24th April 2025
17AQI
25th April 2025
18AQI
26th April 2025
19AQI
27th April 2025
22AQI
28th April 2025
31AQI
29th April 2025
15AQI
30th April 2025
16AQI
1st May 2025
22AQI
2nd May 2025
19AQI
3rd May 2025
21AQI
4th May 2025
24AQI
5th May 2025
19AQI
6th May 2025
26AQI
7th May 2025
17AQI
8th May 2025
15AQI
9th May 2025
26AQI
10th May 2025
20AQI
11th May 2025
25AQI
12th May 2025
33AQI
13th May 2025
44AQI
14th May 2025
47AQI
15th May 2025
29AQI
16th May 2025
23AQI
17th May 2025
16AQI
18th May 2025
15AQI
19th May 2025
14AQI
20th May 2025
14AQI
21st May 2025
16AQI
22nd May 2025
14AQI
23rd May 2025
13AQI
24th May 2025
18AQI
25th May 2025
23AQI
26th May 2025
19AQI
27th May 2025
24AQI
28th May 2025
24AQI
29th May 2025
36AQI
30th May 2025
38AQI
31st May 2025
45AQI
1st June 2025
44AQI
2nd June 2025
52AQI
3rd June 2025
75AQI
4th June 2025
62AQI
5th June 2025
59AQI
6th June 2025
55AQI
7th June 2025
67AQI
8th June 2025
60AQI
9th June 2025
53AQI
10th June 2025
66AQI
11th June 2025
83AQI
12th June 2025
57AQI
13th June 2025
33AQI
14th June 2025
28AQI
15th June 2025
35AQI
16th June 2025
41AQI
17th June 2025
35AQI
18th June 2025
40AQI
19th June 2025
44AQI
20th June 2025
35AQI
21st June 2025
36AQI
22nd June 2025
35AQI
23rd June 2025
39AQI
24th June 2025
43AQI
25th June 2025
37AQI
26th June 2025
30AQI
27th June 2025
20AQI
28th June 2025
26AQI
29th June 2025
23AQI
30th June 2025
21AQI
1st July 2025
36AQI
2nd July 2025
26AQI
3rd July 2025
40AQI
4th July 2025
46AQI
5th July 2025
29AQI
6th July 2025
51AQI
7th July 2025
34AQI
8th July 2025
33AQI
9th July 2025
33AQI
10th July 2025
31AQI
11th July 2025
35AQI
12th July 2025
101AQI
13th July 2025
124AQI
14th July 2025
115AQI
15th July 2025
82AQI
16th July 2025
50AQI
17th July 2025
36AQI
18th July 2025
41AQI
19th July 2025
29AQI
20th July 2025
53AQI
21st July 2025
58AQI
22nd July 2025
60AQI
23rd July 2025
43AQI
24th July 2025
40AQI
25th July 2025
60AQI
26th July 2025
64AQI
27th July 2025
36AQI
28th July 2025
35AQI
29th July 2025
51AQI
30th July 2025
97AQI
31st July 2025
157AQI
1st August 2025
163AQI

26AQI

29AQI

24AQI

23AQI

24AQI

44AQI

56AQI

163AQI

No. of days

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

202533AQI

31
27
1
31
30
31
19
11
18
9
3
1
1
187
21
3
2

Highest AQI recorded in

August

163AQI

Lowest AQI recorded in

April

23AQI

202431AQI

28
3
27
2
30
1
30
29
2
29
23
8
25
6
29
1
31
30
30
1
341
24

Highest AQI recorded in

July

39AQI

Lowest AQI recorded in

November

20AQI

202338AQI

26
5
28
30
1
30
29
2
9
18
3
20
9
2
21
10
19
11
29
2
28
1
29
2
298
61
5

Highest AQI recorded in

June

65AQI

Lowest AQI recorded in

October

23AQI

202227AQI

31
22
31
30
31
30
22
2
29
31
27
3
30
1
316
4

Highest AQI recorded in

March

31AQI

Lowest AQI recorded in

August

16AQI

202128AQI

26
4
23
5
31
30
31
30
26
4
1
25
5
1
30
31
30
31
344
18
2

Highest AQI recorded in

July

40AQI

Lowest AQI recorded in

October

18AQI

202031AQI

13
21
18
30
28
3
31
28
2
31
29
1
28
3
257
9

Highest AQI recorded in

March

35AQI

Lowest AQI recorded in

August

26AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
38AQI
Least Polluted Year Recorded
2022(Avg.)
27AQI

Duluth Wdse's annual 2025 AQI (33) shows an average percentage change of 8.04% (worsened AQI) compared to previous years: 2020 (31), 2021 (28), 2022 (27), 2023 (38), 2024 (31).