Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

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+

July Air Quality Analysis

Duluth, Minnesota, United States

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
31st Jul 2025
150AQI
Lowest AQI recorded on
6th Jul 2022
10AQI

Same Day Analysis (30th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 70 of Moderate air quality, showing improvement over 2025 and 2024 on the same day.

Day & Night AQI Trend: 30th Jul - 31st Jul 2026

Duluth, Minnesota, United States

AQI
Day
Night
.

5 AM30th Jul 2026

8 PM

4 AM31st Jul 2026

Day time
Avg. Highest Time
6PM30th Jul

76AQI

Avg. Lowest Time
8AM30th Jul

68AQI

Night time
Avg. Highest Time
9PM30th Jul

74AQI

Avg. Lowest Time
3AM31st Jul

64AQI

In the last 24 hours,

Duluth's AQI reached its highest point of 76 at 6 PM during the Day, while the lowest point, 64, was recorded at 3 AM during the Night between 30th Jul and 31st Jul 2026.

Day & Night AQI Trend : Jul 2026

Duluth, Minnesota, United States

Jul
02nd - 03rd03rd - 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
Day
Night
2nd Jul 2026215 AMAQI
2nd Jul 2026216 AMAQI
2nd Jul 2026177 AMAQI
2nd Jul 2026548 AMAQI
2nd Jul 2026539 AMAQI
2nd Jul 20261910 AMAQI
2nd Jul 20261711 AMAQI
2nd Jul 20262112 PMAQI
2nd Jul 2026301 PMAQI
2nd Jul 2026172 PMAQI
2nd Jul 2026243 PMAQI
2nd Jul 2026244 PMAQI
2nd Jul 2026455 PMAQI
2nd Jul 2026506 PMAQI
2nd Jul 2026377 PMAQI
2nd Jul 2026278 PMAQI
2nd Jul 2026249 PMAQI
2nd Jul 20262810 PMAQI
2nd Jul 20262311 PMAQI
3rd Jul 20262212 AMAQI
3rd Jul 2026181 AMAQI
3rd Jul 2026162 AMAQI
3rd Jul 2026143 AMAQI
3rd Jul 2026164 AMAQI

26°C19/34°C

3rd Jul 2026145 AMAQI
3rd Jul 2026356 AMAQI
3rd Jul 2026137 AMAQI
3rd Jul 2026168 AMAQI
3rd Jul 2026139 AMAQI
3rd Jul 20261710 AMAQI
3rd Jul 20261311 AMAQI
3rd Jul 20263012 PMAQI
3rd Jul 2026161 PMAQI
3rd Jul 2026172 PMAQI
3rd Jul 2026183 PMAQI
3rd Jul 2026224 PMAQI
3rd Jul 2026175 PMAQI
3rd Jul 2026186 PMAQI
3rd Jul 2026187 PMAQI
3rd Jul 2026188 PMAQI
3rd Jul 2026169 PMAQI
3rd Jul 20262110 PMAQI
3rd Jul 20262511 PMAQI
4th Jul 20262012 AMAQI
4th Jul 2026181 AMAQI
4th Jul 2026342 AMAQI
4th Jul 2026323 AMAQI
4th Jul 2026124 AMAQI

22°C17/29°C

4th Jul 2026105 AMAQI
4th Jul 2026106 AMAQI
4th Jul 2026107 AMAQI
4th Jul 2026408 AMAQI
4th Jul 2026269 AMAQI
4th Jul 20262710 AMAQI
4th Jul 20264311 AMAQI
4th Jul 20262512 PMAQI
4th Jul 202681 PMAQI
4th Jul 2026252 PMAQI
4th Jul 2026383 PMAQI
4th Jul 2026254 PMAQI
4th Jul 2026345 PMAQI
4th Jul 2026296 PMAQI
4th Jul 2026217 PMAQI
4th Jul 2026298 PMAQI
4th Jul 2026299 PMAQI
4th Jul 20262910 PMAQI
4th Jul 20263311 PMAQI
5th Jul 20263812 AMAQI
5th Jul 2026291 AMAQI
5th Jul 2026292 AMAQI
5th Jul 2026293 AMAQI
5th Jul 2026294 AMAQI

18°C15/24°C

5th Jul 2026295 AMAQI
5th Jul 2026496 AMAQI
5th Jul 2026207 AMAQI
5th Jul 2026448 AMAQI
5th Jul 2026449 AMAQI
5th Jul 20263710 AMAQI
5th Jul 20263411 AMAQI
5th Jul 20263612 PMAQI
5th Jul 2026461 PMAQI
5th Jul 2026382 PMAQI
5th Jul 2026453 PMAQI
5th Jul 2026384 PMAQI
5th Jul 2026365 PMAQI
5th Jul 2026386 PMAQI
5th Jul 2026407 PMAQI
5th Jul 2026388 PMAQI
5th Jul 2026209 PMAQI
5th Jul 20262910 PMAQI
5th Jul 20262911 PMAQI
6th Jul 20262912 AMAQI
6th Jul 2026331 AMAQI
6th Jul 2026462 AMAQI
6th Jul 2026463 AMAQI
6th Jul 2026464 AMAQI

13°C11/18°C

6th Jul 2026495 AMAQI
6th Jul 2026336 AMAQI
6th Jul 2026467 AMAQI
6th Jul 2026428 AMAQI
6th Jul 2026469 AMAQI
6th Jul 20263310 AMAQI
6th Jul 20264211 AMAQI
6th Jul 20264412 PMAQI
6th Jul 2026441 PMAQI
6th Jul 2026442 PMAQI
6th Jul 2026443 PMAQI
6th Jul 2026424 PMAQI
6th Jul 2026405 PMAQI
6th Jul 2026406 PMAQI
6th Jul 2026267 PMAQI
6th Jul 2026388 PMAQI
6th Jul 2026409 PMAQI
6th Jul 20264010 PMAQI
6th Jul 20263811 PMAQI
7th Jul 20262912 AMAQI
7th Jul 2026201 AMAQI
7th Jul 2026542 AMAQI
7th Jul 2026303 AMAQI
7th Jul 2026234 AMAQI

14°C12/18°C

7th Jul 2026405 AMAQI
7th Jul 2026386 AMAQI
7th Jul 2026237 AMAQI
7th Jul 2026178 AMAQI
7th Jul 2026179 AMAQI
7th Jul 20261710 AMAQI
7th Jul 20261911 AMAQI
7th Jul 20262112 PMAQI
7th Jul 2026211 PMAQI
7th Jul 2026212 PMAQI
7th Jul 2026213 PMAQI
7th Jul 2026214 PMAQI
7th Jul 2026215 PMAQI
7th Jul 2026176 PMAQI
7th Jul 2026177 PMAQI
7th Jul 2026128 PMAQI
7th Jul 2026339 PMAQI
7th Jul 20263210 PMAQI
7th Jul 20261411 PMAQI
8th Jul 20261212 AMAQI
8th Jul 2026121 AMAQI
8th Jul 2026172 AMAQI
8th Jul 2026173 AMAQI
8th Jul 2026144 AMAQI

22°C16/28°C

8th Jul 2026175 AMAQI
8th Jul 2026176 AMAQI
8th Jul 2026217 AMAQI
8th Jul 2026218 AMAQI
8th Jul 2026219 AMAQI
8th Jul 20262110 AMAQI
8th Jul 20262111 AMAQI
8th Jul 20262512 PMAQI
8th Jul 2026291 PMAQI
8th Jul 2026292 PMAQI
8th Jul 2026293 PMAQI
8th Jul 2026404 PMAQI
8th Jul 2026385 PMAQI
8th Jul 2026256 PMAQI
8th Jul 2026217 PMAQI
8th Jul 2026218 PMAQI
8th Jul 2026219 PMAQI
8th Jul 20262510 PMAQI
8th Jul 20262511 PMAQI
9th Jul 20262512 AMAQI
9th Jul 2026381 AMAQI
9th Jul 2026402 AMAQI
9th Jul 2026303 AMAQI
9th Jul 2026174 AMAQI

19°C17/23°C

9th Jul 2026175 AMAQI
9th Jul 2026216 AMAQI
9th Jul 2026347 AMAQI
9th Jul 2026148 AMAQI
9th Jul 2026159 AMAQI
9th Jul 20262210 AMAQI
9th Jul 20262211 AMAQI
9th Jul 20261612 PMAQI
9th Jul 2026321 PMAQI
9th Jul 2026142 PMAQI
9th Jul 2026283 PMAQI
9th Jul 2026124 PMAQI
9th Jul 2026145 PMAQI
9th Jul 2026126 PMAQI
9th Jul 2026157 PMAQI
9th Jul 2026128 PMAQI
9th Jul 2026129 PMAQI
9th Jul 20261710 PMAQI
9th Jul 20261811 PMAQI
10th Jul 20261712 AMAQI
10th Jul 2026211 AMAQI
10th Jul 2026252 AMAQI
10th Jul 2026173 AMAQI
10th Jul 2026444 AMAQI

21°C16/28°C

10th Jul 2026405 AMAQI
10th Jul 2026376 AMAQI
10th Jul 2026217 AMAQI
10th Jul 2026328 AMAQI
10th Jul 2026219 AMAQI
10th Jul 20261910 AMAQI
10th Jul 20262111 AMAQI
10th Jul 20262112 PMAQI
10th Jul 2026211 PMAQI
10th Jul 2026212 PMAQI
10th Jul 2026213 PMAQI
10th Jul 2026214 PMAQI
10th Jul 2026365 PMAQI
10th Jul 2026296 PMAQI
10th Jul 2026347 PMAQI
10th Jul 2026188 PMAQI
10th Jul 2026199 PMAQI
10th Jul 20262510 PMAQI
10th Jul 20262511 PMAQI
11th Jul 20262912 AMAQI
11th Jul 2026241 AMAQI
11th Jul 2026362 AMAQI
11th Jul 2026503 AMAQI
11th Jul 2026364 AMAQI

20°C15/27°C

11th Jul 2026445 AMAQI
11th Jul 2026226 AMAQI
11th Jul 2026297 AMAQI
11th Jul 2026298 AMAQI
11th Jul 2026259 AMAQI
11th Jul 20262910 AMAQI
11th Jul 20263511 AMAQI
11th Jul 20264212 PMAQI
11th Jul 2026441 PMAQI
11th Jul 2026232 PMAQI
11th Jul 2026293 PMAQI
11th Jul 2026294 PMAQI
11th Jul 2026295 PMAQI
11th Jul 2026246 PMAQI
11th Jul 2026247 PMAQI
11th Jul 2026428 PMAQI
11th Jul 2026409 PMAQI
11th Jul 20264010 PMAQI
11th Jul 20261811 PMAQI
12th Jul 20263312 AMAQI
12th Jul 2026331 AMAQI
12th Jul 2026242 AMAQI
12th Jul 2026383 AMAQI
12th Jul 2026294 AMAQI

23°C16/33°C

12th Jul 2026295 AMAQI
12th Jul 2026336 AMAQI
12th Jul 2026347 AMAQI
12th Jul 2026248 AMAQI
12th Jul 2026389 AMAQI
12th Jul 20264910 AMAQI
12th Jul 20264411 AMAQI
12th Jul 20264612 PMAQI
12th Jul 2026331 PMAQI
12th Jul 2026242 PMAQI
12th Jul 2026333 PMAQI
12th Jul 2026484 PMAQI
12th Jul 2026485 PMAQI
12th Jul 2026336 PMAQI
12th Jul 2026337 PMAQI
12th Jul 2026338 PMAQI
12th Jul 2026299 PMAQI
12th Jul 20262910 PMAQI
12th Jul 20263311 PMAQI
13th Jul 20263312 AMAQI
13th Jul 2026331 AMAQI
13th Jul 2026332 AMAQI
13th Jul 2026293 AMAQI
13th Jul 2026334 AMAQI

29°C21/37°C

13th Jul 2026285 AMAQI
13th Jul 2026336 AMAQI
13th Jul 2026337 AMAQI
13th Jul 2026228 AMAQI
13th Jul 2026229 AMAQI
13th Jul 20264610 AMAQI
13th Jul 20263811 AMAQI
13th Jul 20264412 PMAQI
13th Jul 2026251 PMAQI
13th Jul 2026292 PMAQI
13th Jul 2026293 PMAQI
13th Jul 2026294 PMAQI
13th Jul 2026245 PMAQI
13th Jul 2026256 PMAQI
13th Jul 2026427 PMAQI
13th Jul 2026408 PMAQI
13th Jul 2026389 PMAQI
13th Jul 20264010 PMAQI
13th Jul 20262911 PMAQI
14th Jul 20262912 AMAQI
14th Jul 2026401 AMAQI
14th Jul 2026422 AMAQI
14th Jul 2026443 AMAQI
14th Jul 2026444 AMAQI

31°C24/38°C

14th Jul 2026245 AMAQI
14th Jul 2026176 AMAQI
14th Jul 2026217 AMAQI
14th Jul 2026258 AMAQI
14th Jul 2026239 AMAQI
14th Jul 20262010 AMAQI
14th Jul 20262011 AMAQI
14th Jul 20261912 PMAQI
14th Jul 2026201 PMAQI
14th Jul 2026302 PMAQI
14th Jul 2026193 PMAQI
14th Jul 2026204 PMAQI
14th Jul 2026205 PMAQI
14th Jul 2026326 PMAQI
14th Jul 2026327 PMAQI
14th Jul 2026178 PMAQI
14th Jul 2026159 PMAQI
14th Jul 20261810 PMAQI
14th Jul 20261411 PMAQI
15th Jul 20261212 AMAQI
15th Jul 2026401 AMAQI
15th Jul 2026962 AMAQI
15th Jul 2026443 AMAQI
15th Jul 2026294 AMAQI

31°C23/38°C

15th Jul 2026295 AMAQI
15th Jul 2026296 AMAQI
15th Jul 2026617 AMAQI
15th Jul 2026298 AMAQI
15th Jul 2026489 AMAQI
15th Jul 20264010 AMAQI
15th Jul 20264011 AMAQI
15th Jul 20264212 PMAQI
15th Jul 2026441 PMAQI
15th Jul 2026602 PMAQI
15th Jul 2026483 PMAQI
15th Jul 2026484 PMAQI
15th Jul 2026255 PMAQI
15th Jul 2026526 PMAQI
15th Jul 20261367 PMAQI
15th Jul 20261258 PMAQI
15th Jul 20261659 PMAQI
15th Jul 202619410 PMAQI
15th Jul 202618911 PMAQI
16th Jul 202622712 AMAQI
16th Jul 2026901 AMAQI
16th Jul 2026702 AMAQI
16th Jul 20261313 AMAQI
16th Jul 20261264 AMAQI

27°C21/32°C

16th Jul 20261505 AMAQI
16th Jul 20262776 AMAQI
16th Jul 20262987 AMAQI
16th Jul 20261748 AMAQI
16th Jul 2026309 AMAQI
16th Jul 20263010 AMAQI
16th Jul 20263111 AMAQI
16th Jul 202613212 PMAQI
16th Jul 2026301 PMAQI
16th Jul 20261052 PMAQI
16th Jul 20261603 PMAQI
16th Jul 2026864 PMAQI
16th Jul 20261025 PMAQI
16th Jul 2026486 PMAQI
16th Jul 2026937 PMAQI
16th Jul 2026318 PMAQI
16th Jul 2026289 PMAQI
16th Jul 202610010 PMAQI
16th Jul 20262611 PMAQI
17th Jul 202610112 AMAQI
17th Jul 2026261 AMAQI
17th Jul 2026442 AMAQI
17th Jul 2026363 AMAQI
17th Jul 2026964 AMAQI

22°C18/29°C

17th Jul 2026885 AMAQI
17th Jul 2026806 AMAQI
17th Jul 2026777 AMAQI
17th Jul 2026838 AMAQI
17th Jul 2026889 AMAQI
17th Jul 20269210 AMAQI
17th Jul 20269311 AMAQI
17th Jul 202629012 PMAQI
17th Jul 20262541 PMAQI
17th Jul 20261902 PMAQI
17th Jul 20261693 PMAQI
17th Jul 20261584 PMAQI
17th Jul 20261385 PMAQI
17th Jul 20261126 PMAQI
17th Jul 2026997 PMAQI
17th Jul 2026958 PMAQI
17th Jul 2026979 PMAQI
17th Jul 20269910 PMAQI
17th Jul 20269311 PMAQI
18th Jul 20268412 AMAQI
18th Jul 2026781 AMAQI
18th Jul 2026792 AMAQI
18th Jul 2026763 AMAQI
18th Jul 2026684 AMAQI

22°C16/30°C

18th Jul 2026655 AMAQI
18th Jul 2026606 AMAQI
18th Jul 2026587 AMAQI
18th Jul 2026568 AMAQI
18th Jul 2026569 AMAQI
18th Jul 20266710 AMAQI
18th Jul 20267411 AMAQI
18th Jul 20268612 PMAQI
18th Jul 2026981 PMAQI
18th Jul 20261052 PMAQI
18th Jul 20261143 PMAQI
18th Jul 20261114 PMAQI
18th Jul 2026965 PMAQI
18th Jul 2026976 PMAQI
18th Jul 2026907 PMAQI
18th Jul 2026928 PMAQI
18th Jul 2026899 PMAQI
18th Jul 20268810 PMAQI
18th Jul 20268711 PMAQI
19th Jul 20268712 AMAQI
19th Jul 2026851 AMAQI
19th Jul 2026862 AMAQI
19th Jul 2026853 AMAQI
19th Jul 2026924 AMAQI

25°C20/31°C

19th Jul 2026935 AMAQI
19th Jul 2026976 AMAQI
19th Jul 20261097 AMAQI
19th Jul 20261088 AMAQI
19th Jul 20261099 AMAQI
19th Jul 202611410 AMAQI
19th Jul 202611011 AMAQI
19th Jul 202610712 PMAQI
19th Jul 2026951 PMAQI
19th Jul 2026882 PMAQI
19th Jul 2026763 PMAQI
19th Jul 2026684 PMAQI
19th Jul 2026605 PMAQI
19th Jul 2026566 PMAQI
19th Jul 2026567 PMAQI
19th Jul 2026578 PMAQI
19th Jul 2026609 PMAQI
19th Jul 20266510 PMAQI
19th Jul 20267211 PMAQI
20th Jul 20268712 AMAQI
20th Jul 2026971 AMAQI
20th Jul 2026942 AMAQI
20th Jul 2026993 AMAQI
20th Jul 20261014 AMAQI

25°C18/33°C

20th Jul 20261115 AMAQI
20th Jul 20261146 AMAQI
20th Jul 20261007 AMAQI
20th Jul 20261008 AMAQI
20th Jul 2026869 AMAQI
20th Jul 20268310 AMAQI
20th Jul 20267411 AMAQI
20th Jul 20266612 PMAQI
20th Jul 2026601 PMAQI
20th Jul 2026602 PMAQI
20th Jul 2026623 PMAQI
20th Jul 2026604 PMAQI
20th Jul 2026565 PMAQI
20th Jul 2026556 PMAQI
20th Jul 2026537 PMAQI
20th Jul 2026548 PMAQI
20th Jul 2026569 PMAQI
20th Jul 20265811 PMAQI
21st Jul 20266212 AMAQI
21st Jul 2026641 AMAQI
21st Jul 2026602 AMAQI
21st Jul 2026493 AMAQI
21st Jul 2026444 AMAQI

27°C22/35°C

21st Jul 2026545 AMAQI
21st Jul 2026466 AMAQI
21st Jul 2026367 AMAQI
21st Jul 2026508 AMAQI
21st Jul 2026359 AMAQI
21st Jul 20263610 AMAQI
21st Jul 20265011 AMAQI
21st Jul 20264112 PMAQI
21st Jul 2026451 PMAQI
21st Jul 2026422 PMAQI
21st Jul 2026593 PMAQI
21st Jul 2026604 PMAQI
21st Jul 2026505 PMAQI
21st Jul 2026516 PMAQI
21st Jul 2026427 PMAQI
21st Jul 2026398 PMAQI
21st Jul 2026349 PMAQI
21st Jul 20262110 PMAQI
21st Jul 20264911 PMAQI
22nd Jul 20264512 AMAQI
22nd Jul 2026421 AMAQI
22nd Jul 2026372 AMAQI
22nd Jul 2026543 AMAQI
22nd Jul 2026544 AMAQI

20°C16/24°C

22nd Jul 2026565 AMAQI
22nd Jul 2026506 AMAQI
22nd Jul 2026507 AMAQI
22nd Jul 2026468 AMAQI
22nd Jul 2026429 AMAQI
22nd Jul 20264910 AMAQI
22nd Jul 20265611 AMAQI
22nd Jul 20265812 PMAQI
22nd Jul 2026541 PMAQI
22nd Jul 2026432 PMAQI
22nd Jul 2026403 PMAQI
22nd Jul 2026244 PMAQI
22nd Jul 2026515 PMAQI
22nd Jul 2026506 PMAQI
22nd Jul 2026327 PMAQI
22nd Jul 2026288 PMAQI
22nd Jul 2026429 PMAQI
22nd Jul 20264210 PMAQI
22nd Jul 20264011 PMAQI
23rd Jul 20265212 AMAQI
23rd Jul 2026521 AMAQI
23rd Jul 2026502 AMAQI
23rd Jul 2026333 AMAQI
23rd Jul 2026324 AMAQI

18°C12/25°C

23rd Jul 2026365 AMAQI
23rd Jul 2026306 AMAQI
23rd Jul 2026397 AMAQI
23rd Jul 2026408 AMAQI
23rd Jul 2026269 AMAQI
23rd Jul 20263610 AMAQI
23rd Jul 20265211 AMAQI
23rd Jul 20264012 PMAQI
23rd Jul 2026401 PMAQI
23rd Jul 2026432 PMAQI
23rd Jul 2026423 PMAQI
23rd Jul 2026474 PMAQI
23rd Jul 2026515 PMAQI
23rd Jul 2026536 PMAQI
23rd Jul 2026547 PMAQI
23rd Jul 2026578 PMAQI
23rd Jul 2026589 PMAQI
23rd Jul 20265510 PMAQI
23rd Jul 20265511 PMAQI
24th Jul 20265212 AMAQI
24th Jul 2026501 AMAQI
24th Jul 2026472 AMAQI
24th Jul 2026433 AMAQI
24th Jul 2026404 AMAQI

22°C15/30°C

24th Jul 2026565 AMAQI
24th Jul 2026396 AMAQI
24th Jul 2026547 AMAQI
24th Jul 2026548 AMAQI
24th Jul 2026379 AMAQI
24th Jul 20264410 AMAQI
24th Jul 20262611 AMAQI
24th Jul 20264012 PMAQI
24th Jul 2026431 PMAQI
24th Jul 2026472 PMAQI
24th Jul 2026463 PMAQI
24th Jul 2026484 PMAQI
24th Jul 2026495 PMAQI
24th Jul 2026476 PMAQI
24th Jul 2026487 PMAQI
24th Jul 2026488 PMAQI
24th Jul 2026509 PMAQI
24th Jul 20264910 PMAQI
24th Jul 20264911 PMAQI
25th Jul 20264612 AMAQI
25th Jul 2026471 AMAQI
25th Jul 2026492 AMAQI
25th Jul 2026473 AMAQI
25th Jul 2026444 AMAQI

22°C17/28°C

25th Jul 2026475 AMAQI
25th Jul 2026446 AMAQI
25th Jul 2026437 AMAQI
25th Jul 2026458 AMAQI
25th Jul 2026419 AMAQI
25th Jul 20264110 AMAQI
25th Jul 20264311 AMAQI
25th Jul 20264112 PMAQI
25th Jul 2026431 PMAQI
25th Jul 2026442 PMAQI
25th Jul 2026493 PMAQI
25th Jul 2026524 PMAQI
25th Jul 2026525 PMAQI
25th Jul 2026516 PMAQI
25th Jul 2026527 PMAQI
25th Jul 2026528 PMAQI
25th Jul 2026519 PMAQI
25th Jul 20265010 PMAQI
25th Jul 20265011 PMAQI
26th Jul 20265212 AMAQI
26th Jul 2026541 AMAQI
26th Jul 2026542 AMAQI
26th Jul 2026563 AMAQI
26th Jul 2026564 AMAQI

22°C17/27°C

26th Jul 2026535 AMAQI
26th Jul 2026546 AMAQI
26th Jul 2026537 AMAQI
26th Jul 2026508 AMAQI
26th Jul 2026519 AMAQI
26th Jul 20265210 AMAQI
26th Jul 20265211 AMAQI
26th Jul 20265512 PMAQI
26th Jul 2026541 PMAQI
26th Jul 2026552 PMAQI
26th Jul 2026573 PMAQI
26th Jul 2026604 PMAQI
26th Jul 2026605 PMAQI
26th Jul 2026626 PMAQI
26th Jul 2026607 PMAQI
26th Jul 2026568 PMAQI
26th Jul 2026569 PMAQI
26th Jul 20265810 PMAQI
26th Jul 20266411 PMAQI
27th Jul 20266512 AMAQI
27th Jul 2026681 AMAQI
27th Jul 2026712 AMAQI
27th Jul 2026663 AMAQI
27th Jul 2026644 AMAQI

25°C19/33°C

27th Jul 2026565 AMAQI
27th Jul 2026626 AMAQI
27th Jul 2026627 AMAQI
27th Jul 2026568 AMAQI
27th Jul 2026519 AMAQI
27th Jul 20264510 AMAQI
27th Jul 20265411 AMAQI
27th Jul 20265212 PMAQI
27th Jul 2026491 PMAQI
27th Jul 2026552 PMAQI
27th Jul 2026503 PMAQI
27th Jul 2026534 PMAQI
27th Jul 2026645 PMAQI
27th Jul 2026666 PMAQI
27th Jul 2026687 PMAQI
27th Jul 2026528 PMAQI
27th Jul 2026539 PMAQI
27th Jul 20264910 PMAQI
27th Jul 20264611 PMAQI
28th Jul 20264512 AMAQI
28th Jul 2026431 AMAQI
28th Jul 2026412 AMAQI
28th Jul 2026403 AMAQI
28th Jul 2026544 AMAQI

21°C18/25°C

28th Jul 2026495 AMAQI
28th Jul 2026466 AMAQI
28th Jul 2026397 AMAQI
28th Jul 2026488 AMAQI
28th Jul 2026409 AMAQI
28th Jul 20265210 AMAQI
28th Jul 20265311 AMAQI
28th Jul 20265412 PMAQI
28th Jul 2026561 PMAQI
28th Jul 2026602 PMAQI
28th Jul 2026613 PMAQI
28th Jul 2026624 PMAQI
28th Jul 2026665 PMAQI
28th Jul 2026646 PMAQI
28th Jul 2026637 PMAQI
28th Jul 2026628 PMAQI
28th Jul 2026609 PMAQI
28th Jul 20265510 PMAQI
28th Jul 20265811 PMAQI
29th Jul 20265412 AMAQI
29th Jul 2026511 AMAQI
29th Jul 2026452 AMAQI
29th Jul 2026423 AMAQI
29th Jul 2026484 AMAQI

20°C15/27°C

29th Jul 2026485 AMAQI
29th Jul 2026426 AMAQI
29th Jul 2026507 AMAQI
29th Jul 2026478 AMAQI
29th Jul 2026479 AMAQI
29th Jul 20264510 AMAQI
29th Jul 20265211 AMAQI
29th Jul 20265212 PMAQI
29th Jul 2026561 PMAQI
29th Jul 2026622 PMAQI
29th Jul 2026653 PMAQI
29th Jul 2026724 PMAQI
29th Jul 2026705 PMAQI
29th Jul 2026696 PMAQI
29th Jul 2026667 PMAQI
29th Jul 2026688 PMAQI
29th Jul 2026669 PMAQI
29th Jul 20266510 PMAQI
29th Jul 20266511 PMAQI
30th Jul 20266612 AMAQI
30th Jul 2026661 AMAQI
30th Jul 2026632 AMAQI
30th Jul 2026643 AMAQI
30th Jul 2026674 AMAQI

21°C16/26°C

30th Jul 2026685 AMAQI
30th Jul 2026686 AMAQI
30th Jul 2026687 AMAQI
30th Jul 2026688 AMAQI
30th Jul 2026709 AMAQI
30th Jul 20267010 AMAQI
30th Jul 20267211 AMAQI
30th Jul 20267012 PMAQI
30th Jul 2026711 PMAQI
30th Jul 2026712 PMAQI
30th Jul 2026733 PMAQI
30th Jul 2026744 PMAQI
30th Jul 2026745 PMAQI
30th Jul 2026766 PMAQI
30th Jul 2026767 PMAQI
30th Jul 2026728 PMAQI
30th Jul 2026749 PMAQI
30th Jul 20267210 PMAQI
30th Jul 20267011 PMAQI
31st Jul 20266812 AMAQI
31st Jul 2026691 AMAQI
31st Jul 2026682 AMAQI
31st Jul 2026643 AMAQI
31st Jul 2026654 AMAQI

28°C23/35°C

31st Jul 2026625 AMAQI
5 AM
31st Jul 2026626 AMAQI
31st Jul 2026607 AMAQI
31st Jul 2026608 AMAQI
31st Jul 2026609 AMAQI
31st Jul 20266110 AMAQI
31st Jul 20266011 AMAQI
31st Jul 20266012 PMAQI
12 PM
31st Jul 2026611 PMAQI
31st Jul 2026602 PMAQI
31st Jul 2026603 PMAQI
31st Jul 2026614 PMAQI
31st Jul 2026615 PMAQI
31st Jul 2026596 PMAQI
31st Jul 2026597 PMAQI
31st Jul 2026558 PMAQI
8 PM
31st Jul 2026529 PMAQI
31st Jul 20265210 PMAQI
31st Jul 20265311 PMAQI
12 AM
4 AM

24°C21/28°C

Day time
Avg. Highest Time
12 PM

56AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
9 AM - 11 AM

44AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 12 PM (Avg. 56), while the lowest AQI was between 9 AM to 11 AM (Avg. 44).
Night time
Avg. Highest Time
12 AM

52AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
1 AM

45AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 12 AM (Avg. 52), while the lowest AQI was between 1 AM to 1 AM (Avg. 45).

2026 Days Vs Air Quality

Duluth, Minnesota, United States

2026

91%

190

8%

16

0.9%

2

Total number of days with different AQI categories in last 212 days in 2026 (153 days remaining)

Good
190 Days
Moderate
16 Days
Poor
2 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 91%

Health Risk Level:

Very Low

In 2026, 91% of 212 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

Duluth, Minnesota, United States

AQI levels in 2026

AQI (US)
PM₂.₅
PM₁₀
CO
SO₂
NO₂
O₃
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
12AQI (US)
2nd January 2026
15AQI (US)
3rd January 2026
24AQI (US)
4th January 2026
35AQI (US)
5th January 2026
54AQI (US)
6th January 2026
56AQI (US)
7th January 2026
49AQI (US)
8th January 2026
69AQI (US)
9th January 2026
31AQI (US)
10th January 2026
44AQI (US)
11th January 2026
22AQI (US)
12th January 2026
30AQI (US)
13th January 2026
22AQI (US)
14th January 2026
8AQI (US)
15th January 2026
14AQI (US)
16th January 2026
20AQI (US)
17th January 2026
12AQI (US)
18th January 2026
18AQI (US)
19th January 2026
12AQI (US)
20th January 2026
20AQI (US)
21st January 2026
32AQI (US)
22nd January 2026
44AQI (US)
23rd January 2026
49AQI (US)
24th January 2026
42AQI (US)
25th January 2026
42AQI (US)
26th January 2026
41AQI (US)
27th January 2026
30AQI (US)
28th January 2026
34AQI (US)
29th January 2026
41AQI (US)
30th January 2026
50AQI (US)
31st January 2026
34AQI (US)
1st February 2026
41AQI (US)
2nd February 2026
51AQI (US)
3rd February 2026
45AQI (US)
4th February 2026
36AQI (US)
5th February 2026
40AQI (US)
6th February 2026
44AQI (US)
7th February 2026
35AQI (US)
8th February 2026
37AQI (US)
9th February 2026
40AQI (US)
10th February 2026
44AQI (US)
11th February 2026
28AQI (US)
12th February 2026
29AQI (US)
13th February 2026
31AQI (US)
14th February 2026
38AQI (US)
15th February 2026
38AQI (US)
16th February 2026
34AQI (US)
17th February 2026
34AQI (US)
18th February 2026
39AQI (US)
19th February 2026
38AQI (US)
20th February 2026
37AQI (US)
21st February 2026
34AQI (US)
22nd February 2026
36AQI (US)
23rd February 2026
30AQI (US)
24th February 2026
34AQI (US)
25th February 2026
32AQI (US)
26th February 2026
28AQI (US)
27th February 2026
29AQI (US)
28th February 2026
30AQI (US)
1st March 2026
33AQI (US)
2nd March 2026
52AQI (US)
3rd March 2026
34AQI (US)
4th March 2026
35AQI (US)
5th March 2026
35AQI (US)
6th March 2026
25AQI (US)
7th March 2026
42AQI (US)
8th March 2026
38AQI (US)
9th March 2026
30AQI (US)
10th March 2026
38AQI (US)
11th March 2026
38AQI (US)
12th March 2026
28AQI (US)
13th March 2026
40AQI (US)
14th March 2026
30AQI (US)
15th March 2026
32AQI (US)
16th March 2026
29AQI (US)
17th March 2026
30AQI (US)
18th March 2026
26AQI (US)
19th March 2026
36AQI (US)
20th March 2026
36AQI (US)
21st March 2026
36AQI (US)
22nd March 2026
32AQI (US)
23rd March 2026
34AQI (US)
24th March 2026
30AQI (US)
25th March 2026
34AQI (US)
26th March 2026
27AQI (US)
27th March 2026
20AQI (US)
28th March 2026
23AQI (US)
29th March 2026
32AQI (US)
30th March 2026
25AQI (US)
31st March 2026
23AQI (US)
1st April 2026
28AQI (US)
2nd April 2026
30AQI (US)
3rd April 2026
28AQI (US)
4th April 2026
30AQI (US)
5th April 2026
29AQI (US)
6th April 2026
27AQI (US)
7th April 2026
28AQI (US)
8th April 2026
24AQI (US)
9th April 2026
25AQI (US)
10th April 2026
28AQI (US)
11th April 2026
28AQI (US)
12th April 2026
31AQI (US)
13th April 2026
28AQI (US)
14th April 2026
28AQI (US)
15th April 2026
32AQI (US)
16th April 2026
26AQI (US)
17th April 2026
18th April 2026
26AQI (US)
19th April 2026
32AQI (US)
20th April 2026
24AQI (US)
21st April 2026
29AQI (US)
22nd April 2026
23rd April 2026
25AQI (US)
24th April 2026
23AQI (US)
25th April 2026
16AQI (US)
26th April 2026
33AQI (US)
27th April 2026
23AQI (US)
28th April 2026
24AQI (US)
29th April 2026
24AQI (US)
30th April 2026
26AQI (US)
1st May 2026
24AQI (US)
2nd May 2026
18AQI (US)
3rd May 2026
19AQI (US)
4th May 2026
34AQI (US)
5th May 2026
30AQI (US)
6th May 2026
15AQI (US)
7th May 2026
18AQI (US)
8th May 2026
32AQI (US)
9th May 2026
10th May 2026
30AQI (US)
11th May 2026
24AQI (US)
12th May 2026
34AQI (US)
13th May 2026
20AQI (US)
14th May 2026
19AQI (US)
15th May 2026
48AQI (US)
16th May 2026
60AQI (US)
17th May 2026
45AQI (US)
18th May 2026
48AQI (US)
19th May 2026
56AQI (US)
20th May 2026
50AQI (US)
21st May 2026
40AQI (US)
22nd May 2026
37AQI (US)
23rd May 2026
41AQI (US)
24th May 2026
43AQI (US)
25th May 2026
39AQI (US)
26th May 2026
24AQI (US)
27th May 2026
14AQI (US)
28th May 2026
17AQI (US)
29th May 2026
18AQI (US)
30th May 2026
18AQI (US)
31st May 2026
17AQI (US)
1st June 2026
20AQI (US)
2nd June 2026
18AQI (US)
3rd June 2026
22AQI (US)
4th June 2026
21AQI (US)
5th June 2026
15AQI (US)
6th June 2026
18AQI (US)
7th June 2026
20AQI (US)
8th June 2026
24AQI (US)
9th June 2026
18AQI (US)
10th June 2026
15AQI (US)
11th June 2026
16AQI (US)
12th June 2026
14AQI (US)
13th June 2026
17AQI (US)
14th June 2026
21AQI (US)
15th June 2026
15AQI (US)
16th June 2026
22AQI (US)
17th June 2026
20AQI (US)
18th June 2026
24AQI (US)
19th June 2026
14AQI (US)
20th June 2026
20AQI (US)
21st June 2026
18AQI (US)
22nd June 2026
20AQI (US)
23rd June 2026
14AQI (US)
24th June 2026
14AQI (US)
25th June 2026
22AQI (US)
26th June 2026
14AQI (US)
27th June 2026
21AQI (US)
28th June 2026
20AQI (US)
29th June 2026
20AQI (US)
30th June 2026
33AQI (US)
1st July 2026
16AQI (US)
2nd July 2026
27AQI (US)
3rd July 2026
18AQI (US)
4th July 2026
25AQI (US)
5th July 2026
35AQI (US)
6th July 2026
40AQI (US)
7th July 2026
24AQI (US)
8th July 2026
22AQI (US)
9th July 2026
21AQI (US)
10th July 2026
25AQI (US)
11th July 2026
32AQI (US)
12th July 2026
35AQI (US)
13th July 2026
32AQI (US)
14th July 2026
25AQI (US)
15th July 2026
68AQI (US)
16th July 2026
107AQI (US)
17th July 2026
112AQI (US)
18th July 2026
82AQI (US)
19th July 2026
85AQI (US)
20th July 2026
78AQI (US)
21st July 2026
47AQI (US)
22nd July 2026
46AQI (US)
23rd July 2026
45AQI (US)
24th July 2026
46AQI (US)
25th July 2026
46AQI (US)
26th July 2026
56AQI (US)
27th July 2026
58AQI (US)
28th July 2026
53AQI (US)
29th July 2026
56AQI (US)
30th July 2026
70AQI (US)
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

32AQI (US)

36AQI (US)

32AQI (US)

27AQI (US)

31AQI (US)

19AQI (US)

48AQI (US)

No. of days

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

202632AQI (US)

28
3
27
1
30
1
28
28
2
30
19
9
2
190
16
2

Highest AQI (US) recorded in

July

48AQI (US)

Lowest AQI (US) recorded in

June

19AQI (US)

202535AQI (US)

31
27
1
31
29
1
31
20
10
20
8
3
17
12
1
1
25
5
26
5
29
1
25
6
311
49
4
1

Highest AQI (US) recorded in

July

55AQI (US)

Lowest AQI (US) recorded in

April

23AQI (US)

202428AQI (US)

27
4
28
1
30
1
30
29
2
29
23
8
25
6
29
1
31
30
30
1
341
24

Highest AQI (US) recorded in

July

39AQI (US)

Lowest AQI (US) recorded in

November

21AQI (US)

202335AQI (US)

25
6
28
31
30
29
2
10
17
3
20
9
2
21
10
20
10
30
1
28
1
29
2
301
58
5

Highest AQI (US) recorded in

June

64AQI (US)

Lowest AQI (US) recorded in

October

21AQI (US)

202224AQI (US)

31
22
31
30
31
30
22
2
29
31
27
3
29
2
315
5

Highest AQI (US) recorded in

December

30AQI (US)

Lowest AQI (US) recorded in

August

14AQI (US)

202126AQI (US)

25
4
24
4
31
30
31
30
24
6
1
27
3
1
30
31
30
31
344
17
2

Highest AQI (US) recorded in

July

42AQI (US)

Lowest AQI (US) recorded in

October

15AQI (US)

202026AQI (US)

13
21
18
30
29
2
31
28
2
31
29
1
31
261
5

Highest AQI (US) recorded in

March

29AQI (US)

Lowest AQI (US) recorded in

September

22AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
35AQI (US)
Least Polluted Year Recorded
2022(Avg.)
24AQI (US)

Duluth's annual 2026 AQI (US) (32) shows an average percentage change of 12.7% (worsened AQI (US)) compared to previous years: 2020 (26), 2021 (26), 2022 (24), 2023 (35), 2024 (28), 2025 (35).