Port Huron, Michigan, 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
Port Huron, Michigan, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
20th Aug 2023
68AQILowest AQI recorded on
30th Aug 2023
17AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 42 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Port Huron, Michigan, United States
AQI
Day
Night
.
6 AM2nd Aug 2025
9 PM
5 AM3rd Aug 2025
Day time
Avg. Highest Time
6PM2nd Aug
57AQI
Avg. Lowest Time
12PM2nd Aug
29AQI
Night time
Avg. Highest Time
3AM3rd Aug
90AQI
Avg. Lowest Time
9PM2nd Aug
67AQI
In the last 24 hours,
Port Huron's AQI reached its highest point of 90 at 3 AM during the Night, while the lowest point, 29, was recorded at 12 PM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Port Huron, Michigan, 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 2025466 AMAQI
4th Jul 2025467 AMAQI
4th Jul 2025448 AMAQI
4th Jul 2025439 AMAQI
4th Jul 20254210 AMAQI
4th Jul 20254111 AMAQI
4th Jul 20254612 PMAQI
4th Jul 2025501 PMAQI
4th Jul 2025522 PMAQI
4th Jul 2025493 PMAQI
4th Jul 2025494 PMAQI
4th Jul 2025505 PMAQI
4th Jul 2025496 PMAQI
4th Jul 2025497 PMAQI
4th Jul 2025508 PMAQI
4th Jul 2025499 PMAQI
4th Jul 20255210 PMAQI
4th Jul 20255611 PMAQI
5th Jul 20256212 AMAQI
5th Jul 2025531 AMAQI
5th Jul 2025512 AMAQI
5th Jul 2025503 AMAQI
5th Jul 2025514 AMAQI
5th Jul 2025535 AMAQI
22°C14/30°C
5th Jul 2025526 AMAQI
5th Jul 2025527 AMAQI
5th Jul 2025548 AMAQI
5th Jul 2025559 AMAQI
5th Jul 20255410 AMAQI
5th Jul 20255611 AMAQI
5th Jul 20255512 PMAQI
5th Jul 2025541 PMAQI
5th Jul 2025542 PMAQI
5th Jul 2025543 PMAQI
5th Jul 2025544 PMAQI
5th Jul 2025545 PMAQI
5th Jul 2025546 PMAQI
5th Jul 2025547 PMAQI
5th Jul 2025548 PMAQI
5th Jul 2025549 PMAQI
5th Jul 20255610 PMAQI
5th Jul 20255411 PMAQI
6th Jul 20255412 AMAQI
6th Jul 2025551 AMAQI
6th Jul 2025552 AMAQI
6th Jul 2025543 AMAQI
6th Jul 2025544 AMAQI
6th Jul 2025555 AMAQI
25°C18/33°C
6th Jul 2025566 AMAQI
6th Jul 2025567 AMAQI
6th Jul 2025568 AMAQI
6th Jul 2025569 AMAQI
6th Jul 20255610 AMAQI
6th Jul 20255611 AMAQI
6th Jul 20255612 PMAQI
6th Jul 2025561 PMAQI
6th Jul 2025562 PMAQI
6th Jul 2025553 PMAQI
6th Jul 2025554 PMAQI
6th Jul 2025555 PMAQI
6th Jul 2025556 PMAQI
6th Jul 2025567 PMAQI
6th Jul 2025558 PMAQI
6th Jul 2025549 PMAQI
6th Jul 20255310 PMAQI
6th Jul 20255011 PMAQI
7th Jul 20254112 AMAQI
7th Jul 2025341 AMAQI
7th Jul 2025342 AMAQI
7th Jul 2025323 AMAQI
7th Jul 2025264 AMAQI
7th Jul 2025235 AMAQI
27°C22/34°C
7th Jul 2025216 AMAQI
7th Jul 2025267 AMAQI
7th Jul 2025248 AMAQI
7th Jul 2025249 AMAQI
7th Jul 20252810 AMAQI
7th Jul 20252311 AMAQI
7th Jul 20252312 PMAQI
7th Jul 2025271 PMAQI
7th Jul 2025292 PMAQI
7th Jul 2025313 PMAQI
7th Jul 2025324 PMAQI
7th Jul 2025355 PMAQI
7th Jul 2025346 PMAQI
7th Jul 2025337 PMAQI
7th Jul 2025338 PMAQI
7th Jul 2025379 PMAQI
7th Jul 20253610 PMAQI
7th Jul 20253411 PMAQI
8th Jul 20253612 AMAQI
8th Jul 2025361 AMAQI
8th Jul 2025392 AMAQI
8th Jul 2025393 AMAQI
8th Jul 2025404 AMAQI
8th Jul 2025405 AMAQI
19°C17/21°C
8th Jul 2025406 AMAQI
8th Jul 2025437 AMAQI
8th Jul 2025418 AMAQI
8th Jul 2025389 AMAQI
8th Jul 20253410 AMAQI
8th Jul 20253411 AMAQI
8th Jul 20253712 PMAQI
8th Jul 2025441 PMAQI
8th Jul 2025452 PMAQI
8th Jul 2025453 PMAQI
8th Jul 2025484 PMAQI
8th Jul 2025475 PMAQI
8th Jul 2025476 PMAQI
8th Jul 2025427 PMAQI
8th Jul 2025448 PMAQI
8th Jul 2025479 PMAQI
8th Jul 20254910 PMAQI
8th Jul 20254911 PMAQI
9th Jul 20255412 AMAQI
9th Jul 2025551 AMAQI
9th Jul 2025572 AMAQI
9th Jul 2025593 AMAQI
9th Jul 2025604 AMAQI
9th Jul 2025595 AMAQI
20°C15/25°C
9th Jul 2025606 AMAQI
9th Jul 2025587 AMAQI
9th Jul 2025598 AMAQI
9th Jul 2025589 AMAQI
9th Jul 20255710 AMAQI
9th Jul 20255611 AMAQI
9th Jul 20255512 PMAQI
9th Jul 2025561 PMAQI
9th Jul 2025542 PMAQI
9th Jul 2025553 PMAQI
9th Jul 2025564 PMAQI
9th Jul 2025555 PMAQI
9th Jul 2025556 PMAQI
9th Jul 2025557 PMAQI
9th Jul 2025548 PMAQI
9th Jul 2025539 PMAQI
9th Jul 20255210 PMAQI
9th Jul 20254911 PMAQI
10th Jul 20254112 AMAQI
10th Jul 2025401 AMAQI
10th Jul 2025392 AMAQI
10th Jul 2025443 AMAQI
10th Jul 2025454 AMAQI
10th Jul 2025455 AMAQI
22°C18/27°C
10th Jul 2025436 AMAQI
10th Jul 2025477 AMAQI
10th Jul 2025468 AMAQI
10th Jul 2025469 AMAQI
10th Jul 20254710 AMAQI
10th Jul 20254911 AMAQI
10th Jul 20254812 PMAQI
10th Jul 2025461 PMAQI
10th Jul 2025462 PMAQI
10th Jul 2025473 PMAQI
10th Jul 2025474 PMAQI
10th Jul 2025465 PMAQI
10th Jul 2025466 PMAQI
10th Jul 2025467 PMAQI
10th Jul 2025468 PMAQI
10th Jul 2025449 PMAQI
10th Jul 20254610 PMAQI
10th Jul 20254811 PMAQI
11th Jul 20254912 AMAQI
11th Jul 2025491 AMAQI
11th Jul 2025502 AMAQI
11th Jul 2025503 AMAQI
11th Jul 2025494 AMAQI
11th Jul 2025495 AMAQI
21°C17/25°C
11th Jul 2025516 AMAQI
11th Jul 2025527 AMAQI
11th Jul 2025518 AMAQI
11th Jul 2025519 AMAQI
11th Jul 20255110 AMAQI
11th Jul 20255211 AMAQI
11th Jul 20255112 PMAQI
11th Jul 2025511 PMAQI
11th Jul 2025512 PMAQI
11th Jul 2025513 PMAQI
11th Jul 2025514 PMAQI
11th Jul 2025495 PMAQI
11th Jul 2025496 PMAQI
11th Jul 2025507 PMAQI
11th Jul 2025508 PMAQI
11th Jul 2025469 PMAQI
11th Jul 20254610 PMAQI
11th Jul 20254511 PMAQI
12th Jul 20253812 AMAQI
12th Jul 2025341 AMAQI
12th Jul 2025332 AMAQI
12th Jul 2025323 AMAQI
12th Jul 2025314 AMAQI
12th Jul 2025365 AMAQI
22°C18/26°C
12th Jul 2025396 AMAQI
12th Jul 2025397 AMAQI
12th Jul 2025388 AMAQI
12th Jul 2025399 AMAQI
12th Jul 20254110 AMAQI
12th Jul 20254311 AMAQI
12th Jul 20254612 PMAQI
12th Jul 2025461 PMAQI
12th Jul 2025442 PMAQI
12th Jul 2025423 PMAQI
12th Jul 2025414 PMAQI
12th Jul 2025385 PMAQI
12th Jul 2025396 PMAQI
12th Jul 2025377 PMAQI
12th Jul 2025408 PMAQI
12th Jul 2025409 PMAQI
12th Jul 20254010 PMAQI
12th Jul 20254011 PMAQI
13th Jul 20253612 AMAQI
13th Jul 2025361 AMAQI
13th Jul 2025362 AMAQI
13th Jul 2025373 AMAQI
13th Jul 2025364 AMAQI
13th Jul 2025365 AMAQI
26°C20/34°C
13th Jul 2025356 AMAQI
13th Jul 2025367 AMAQI
13th Jul 2025368 AMAQI
13th Jul 2025389 AMAQI
13th Jul 20254210 AMAQI
13th Jul 20254811 AMAQI
13th Jul 20255512 PMAQI
13th Jul 2025551 PMAQI
13th Jul 2025522 PMAQI
13th Jul 2025433 PMAQI
13th Jul 2025434 PMAQI
13th Jul 2025435 PMAQI
13th Jul 2025446 PMAQI
13th Jul 2025427 PMAQI
13th Jul 2025428 PMAQI
13th Jul 2025469 PMAQI
13th Jul 20254910 PMAQI
13th Jul 20254911 PMAQI
14th Jul 20255812 AMAQI
14th Jul 2025681 AMAQI
14th Jul 2025762 AMAQI
14th Jul 2025733 AMAQI
14th Jul 2025704 AMAQI
14th Jul 2025725 AMAQI
25°C21/30°C
14th Jul 2025706 AMAQI
14th Jul 2025787 AMAQI
14th Jul 2025768 AMAQI
14th Jul 2025769 AMAQI
14th Jul 20257410 AMAQI
14th Jul 20257811 AMAQI
14th Jul 20258112 PMAQI
14th Jul 2025821 PMAQI
14th Jul 2025802 PMAQI
14th Jul 2025793 PMAQI
14th Jul 2025784 PMAQI
14th Jul 2025795 PMAQI
14th Jul 2025806 PMAQI
14th Jul 2025737 PMAQI
14th Jul 2025718 PMAQI
14th Jul 2025729 PMAQI
14th Jul 20257210 PMAQI
14th Jul 20257211 PMAQI
15th Jul 20257812 AMAQI
15th Jul 2025831 AMAQI
15th Jul 2025872 AMAQI
15th Jul 2025913 AMAQI
15th Jul 2025874 AMAQI
15th Jul 2025855 AMAQI
25°C19/30°C
15th Jul 2025916 AMAQI
15th Jul 20251047 AMAQI
15th Jul 20251048 AMAQI
15th Jul 2025989 AMAQI
15th Jul 20259610 AMAQI
15th Jul 20259711 AMAQI
15th Jul 20259812 PMAQI
15th Jul 2025951 PMAQI
15th Jul 2025982 PMAQI
15th Jul 2025963 PMAQI
15th Jul 2025994 PMAQI
15th Jul 20251015 PMAQI
15th Jul 2025986 PMAQI
15th Jul 2025947 PMAQI
15th Jul 2025968 PMAQI
15th Jul 2025979 PMAQI
15th Jul 20259310 PMAQI
15th Jul 20259811 PMAQI
16th Jul 20259712 AMAQI
16th Jul 20251021 AMAQI
16th Jul 20251002 AMAQI
16th Jul 2025993 AMAQI
16th Jul 20251004 AMAQI
16th Jul 2025985 AMAQI
24°C16/32°C
16th Jul 2025966 AMAQI
16th Jul 2025937 AMAQI
16th Jul 2025968 AMAQI
16th Jul 2025939 AMAQI
16th Jul 20259210 AMAQI
16th Jul 20258511 AMAQI
16th Jul 20258212 PMAQI
16th Jul 2025811 PMAQI
16th Jul 2025762 PMAQI
16th Jul 2025763 PMAQI
16th Jul 2025734 PMAQI
16th Jul 2025755 PMAQI
16th Jul 2025716 PMAQI
16th Jul 2025837 PMAQI
16th Jul 2025828 PMAQI
16th Jul 2025669 PMAQI
16th Jul 20256810 PMAQI
16th Jul 20256611 PMAQI
17th Jul 20254812 AMAQI
17th Jul 2025391 AMAQI
17th Jul 2025432 AMAQI
17th Jul 2025433 AMAQI
17th Jul 2025394 AMAQI
17th Jul 2025405 AMAQI
23°C17/29°C
17th Jul 2025386 AMAQI
17th Jul 2025387 AMAQI
17th Jul 2025368 AMAQI
17th Jul 2025379 AMAQI
17th Jul 20254110 AMAQI
17th Jul 20254611 AMAQI
17th Jul 20254112 PMAQI
17th Jul 2025371 PMAQI
17th Jul 2025372 PMAQI
17th Jul 2025363 PMAQI
17th Jul 2025374 PMAQI
17th Jul 2025365 PMAQI
17th Jul 2025356 PMAQI
17th Jul 2025367 PMAQI
17th Jul 2025358 PMAQI
17th Jul 2025359 PMAQI
17th Jul 20253610 PMAQI
17th Jul 20253311 PMAQI
18th Jul 20253212 AMAQI
18th Jul 2025321 AMAQI
18th Jul 2025322 AMAQI
18th Jul 2025323 AMAQI
18th Jul 2025324 AMAQI
18th Jul 2025315 AMAQI
22°C18/23°C
18th Jul 2025296 AMAQI
18th Jul 2025307 AMAQI
18th Jul 2025378 AMAQI
18th Jul 2025299 AMAQI
18th Jul 20253010 AMAQI
18th Jul 20253511 AMAQI
18th Jul 20252812 PMAQI
18th Jul 2025291 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025293 PMAQI
18th Jul 2025294 PMAQI
18th Jul 2025285 PMAQI
18th Jul 2025286 PMAQI
18th Jul 2025267 PMAQI
18th Jul 2025278 PMAQI
18th Jul 2025279 PMAQI
18th Jul 20252710 PMAQI
18th Jul 20252611 PMAQI
19th Jul 20253412 AMAQI
19th Jul 2025371 AMAQI
19th Jul 2025392 AMAQI
19th Jul 2025393 AMAQI
19th Jul 2025374 AMAQI
19th Jul 2025335 AMAQI
19°C13/25°C
19th Jul 2025356 AMAQI
19th Jul 2025337 AMAQI
19th Jul 2025348 AMAQI
19th Jul 2025329 AMAQI
19th Jul 20252810 AMAQI
19th Jul 20252811 AMAQI
19th Jul 20252712 PMAQI
19th Jul 2025301 PMAQI
19th Jul 2025332 PMAQI
19th Jul 2025343 PMAQI
19th Jul 2025354 PMAQI
19th Jul 2025345 PMAQI
19th Jul 2025336 PMAQI
19th Jul 2025347 PMAQI
19th Jul 2025358 PMAQI
19th Jul 2025359 PMAQI
19th Jul 20253410 PMAQI
19th Jul 20253311 PMAQI
20th Jul 20252912 AMAQI
20th Jul 2025341 AMAQI
20th Jul 2025292 AMAQI
20th Jul 2025313 AMAQI
20th Jul 2025264 AMAQI
20th Jul 2025285 AMAQI
20°C13/26°C
20th Jul 2025296 AMAQI
20th Jul 2025287 AMAQI
20th Jul 2025308 AMAQI
20th Jul 2025289 AMAQI
20th Jul 20252710 AMAQI
20th Jul 20252711 AMAQI
20th Jul 20252712 PMAQI
20th Jul 2025281 PMAQI
20th Jul 2025272 PMAQI
20th Jul 2025293 PMAQI
20th Jul 2025294 PMAQI
20th Jul 2025295 PMAQI
20th Jul 2025296 PMAQI
20th Jul 2025287 PMAQI
20th Jul 2025288 PMAQI
20th Jul 2025329 PMAQI
20th Jul 20253410 PMAQI
20th Jul 20253811 PMAQI
21st Jul 20254412 AMAQI
21st Jul 2025491 AMAQI
21st Jul 2025492 AMAQI
21st Jul 2025523 AMAQI
21st Jul 2025504 AMAQI
21st Jul 2025485 AMAQI
21°C17/24°C
21st Jul 2025536 AMAQI
21st Jul 2025557 AMAQI
21st Jul 2025568 AMAQI
21st Jul 2025549 AMAQI
21st Jul 20255010 AMAQI
21st Jul 20254611 AMAQI
21st Jul 20254012 PMAQI
21st Jul 2025391 PMAQI
21st Jul 2025402 PMAQI
21st Jul 2025463 PMAQI
21st Jul 2025444 PMAQI
21st Jul 2025425 PMAQI
21st Jul 2025406 PMAQI
21st Jul 2025477 PMAQI
21st Jul 2025478 PMAQI
21st Jul 2025419 PMAQI
21st Jul 20254010 PMAQI
21st Jul 20253711 PMAQI
22nd Jul 20252712 AMAQI
22nd Jul 2025201 AMAQI
22nd Jul 2025202 AMAQI
22nd Jul 2025193 AMAQI
22nd Jul 2025194 AMAQI
22nd Jul 2025195 AMAQI
19°C15/23°C
22nd Jul 2025196 AMAQI
22nd Jul 2025207 AMAQI
22nd Jul 2025208 AMAQI
22nd Jul 2025229 AMAQI
22nd Jul 20252610 AMAQI
22nd Jul 20252511 AMAQI
22nd Jul 20252512 PMAQI
22nd Jul 2025231 PMAQI
22nd Jul 2025242 PMAQI
22nd Jul 2025243 PMAQI
22nd Jul 2025234 PMAQI
22nd Jul 2025235 PMAQI
22nd Jul 2025236 PMAQI
22nd Jul 2025227 PMAQI
22nd Jul 2025228 PMAQI
22nd Jul 2025239 PMAQI
22nd Jul 20252210 PMAQI
22nd Jul 20252411 PMAQI
23rd Jul 20252412 AMAQI
23rd Jul 2025241 AMAQI
23rd Jul 2025242 AMAQI
23rd Jul 2025243 AMAQI
23rd Jul 2025294 AMAQI
23rd Jul 2025295 AMAQI
20°C13/27°C
23rd Jul 2025286 AMAQI
23rd Jul 2025267 AMAQI
23rd Jul 2025248 AMAQI
23rd Jul 2025239 AMAQI
23rd Jul 20252410 AMAQI
23rd Jul 20252211 AMAQI
23rd Jul 20252312 PMAQI
23rd Jul 2025251 PMAQI
23rd Jul 2025262 PMAQI
23rd Jul 2025273 PMAQI
23rd Jul 2025284 PMAQI
23rd Jul 2025255 PMAQI
23rd Jul 2025286 PMAQI
23rd Jul 2025267 PMAQI
23rd Jul 2025288 PMAQI
23rd Jul 2025319 PMAQI
23rd Jul 20253210 PMAQI
23rd Jul 20253411 PMAQI
24th Jul 20253612 AMAQI
24th Jul 2025341 AMAQI
24th Jul 2025322 AMAQI
24th Jul 2025323 AMAQI
24th Jul 2025334 AMAQI
24th Jul 2025375 AMAQI
22°C14/30°C
24th Jul 2025446 AMAQI
24th Jul 2025507 AMAQI
24th Jul 2025538 AMAQI
24th Jul 2025549 AMAQI
24th Jul 20255510 AMAQI
24th Jul 20255611 AMAQI
24th Jul 20255612 PMAQI
24th Jul 2025551 PMAQI
24th Jul 2025542 PMAQI
24th Jul 2025503 PMAQI
24th Jul 2025524 PMAQI
24th Jul 2025525 PMAQI
24th Jul 2025526 PMAQI
24th Jul 2025517 PMAQI
24th Jul 2025508 PMAQI
24th Jul 2025459 PMAQI
24th Jul 20254210 PMAQI
24th Jul 20254011 PMAQI
25th Jul 20253412 AMAQI
25th Jul 2025311 AMAQI
25th Jul 2025302 AMAQI
25th Jul 2025293 AMAQI
25th Jul 2025304 AMAQI
25th Jul 2025315 AMAQI
26°C18/34°C
25th Jul 2025306 AMAQI
25th Jul 2025307 AMAQI
25th Jul 2025308 AMAQI
25th Jul 2025309 AMAQI
25th Jul 20252910 AMAQI
25th Jul 20252911 AMAQI
25th Jul 20253012 PMAQI
25th Jul 2025331 PMAQI
25th Jul 2025342 PMAQI
25th Jul 2025363 PMAQI
25th Jul 2025364 PMAQI
25th Jul 2025335 PMAQI
25th Jul 2025336 PMAQI
25th Jul 2025347 PMAQI
25th Jul 2025368 PMAQI
25th Jul 2025449 PMAQI
25th Jul 20254510 PMAQI
25th Jul 20254411 PMAQI
26th Jul 20255312 AMAQI
26th Jul 2025621 AMAQI
26th Jul 2025662 AMAQI
26th Jul 2025623 AMAQI
26th Jul 2025604 AMAQI
26th Jul 2025625 AMAQI
22°C19/24°C
26th Jul 2025616 AMAQI
26th Jul 2025617 AMAQI
26th Jul 2025608 AMAQI
26th Jul 2025589 AMAQI
26th Jul 20255610 AMAQI
26th Jul 20255411 AMAQI
26th Jul 20255312 PMAQI
26th Jul 2025521 PMAQI
26th Jul 2025532 PMAQI
26th Jul 2025563 PMAQI
26th Jul 2025554 PMAQI
26th Jul 2025555 PMAQI
26th Jul 2025546 PMAQI
26th Jul 2025567 PMAQI
26th Jul 2025568 PMAQI
26th Jul 2025549 PMAQI
26th Jul 20255310 PMAQI
26th Jul 20255011 PMAQI
27th Jul 20253712 AMAQI
27th Jul 2025331 AMAQI
27th Jul 2025292 AMAQI
27th Jul 2025293 AMAQI
27th Jul 2025294 AMAQI
27th Jul 2025305 AMAQI
23°C19/27°C
27th Jul 2025306 AMAQI
27th Jul 2025307 AMAQI
27th Jul 2025308 AMAQI
27th Jul 2025309 AMAQI
27th Jul 20253210 AMAQI
27th Jul 20253211 AMAQI
27th Jul 20253212 PMAQI
27th Jul 2025361 PMAQI
27th Jul 2025352 PMAQI
27th Jul 2025363 PMAQI
27th Jul 2025364 PMAQI
27th Jul 2025375 PMAQI
27th Jul 2025356 PMAQI
27th Jul 2025347 PMAQI
27th Jul 2025348 PMAQI
27th Jul 2025369 PMAQI
27th Jul 20253710 PMAQI
27th Jul 20254111 PMAQI
28th Jul 20254712 AMAQI
28th Jul 2025521 AMAQI
28th Jul 2025502 AMAQI
28th Jul 2025473 AMAQI
28th Jul 2025454 AMAQI
28th Jul 2025435 AMAQI
24°C21/29°C
28th Jul 2025426 AMAQI
28th Jul 2025447 AMAQI
28th Jul 2025458 AMAQI
28th Jul 2025469 AMAQI
28th Jul 20254710 AMAQI
28th Jul 20254411 AMAQI
28th Jul 20254312 PMAQI
28th Jul 2025431 PMAQI
28th Jul 2025442 PMAQI
28th Jul 2025463 PMAQI
28th Jul 2025464 PMAQI
28th Jul 2025465 PMAQI
28th Jul 2025476 PMAQI
28th Jul 2025447 PMAQI
28th Jul 2025438 PMAQI
28th Jul 2025429 PMAQI
28th Jul 20254110 PMAQI
28th Jul 20254011 PMAQI
29th Jul 20253712 AMAQI
29th Jul 2025291 AMAQI
29th Jul 2025312 AMAQI
29th Jul 2025323 AMAQI
29th Jul 2025334 AMAQI
29th Jul 2025365 AMAQI
26°C19/33°C
29th Jul 2025406 AMAQI
29th Jul 2025437 AMAQI
29th Jul 2025438 AMAQI
29th Jul 2025439 AMAQI
29th Jul 20254310 AMAQI
29th Jul 20254211 AMAQI
29th Jul 20254212 PMAQI
29th Jul 2025421 PMAQI
29th Jul 2025422 PMAQI
29th Jul 2025423 PMAQI
29th Jul 2025424 PMAQI
29th Jul 2025405 PMAQI
29th Jul 2025416 PMAQI
29th Jul 2025397 PMAQI
29th Jul 2025378 PMAQI
29th Jul 2025399 PMAQI
29th Jul 20253910 PMAQI
29th Jul 20254211 PMAQI
30th Jul 20254212 AMAQI
30th Jul 2025451 AMAQI
30th Jul 2025462 AMAQI
30th Jul 2025463 AMAQI
30th Jul 2025474 AMAQI
30th Jul 2025455 AMAQI
22°C19/26°C
30th Jul 2025456 AMAQI
30th Jul 2025447 AMAQI
30th Jul 2025418 AMAQI
30th Jul 2025439 AMAQI
30th Jul 20254310 AMAQI
30th Jul 20254811 AMAQI
30th Jul 20255312 PMAQI
30th Jul 2025541 PMAQI
30th Jul 2025552 PMAQI
30th Jul 2025553 PMAQI
30th Jul 2025554 PMAQI
30th Jul 2025555 PMAQI
30th Jul 2025556 PMAQI
30th Jul 2025557 PMAQI
30th Jul 2025558 PMAQI
30th Jul 2025539 PMAQI
30th Jul 20255210 PMAQI
30th Jul 20255411 PMAQI
31st Jul 20256912 AMAQI
31st Jul 2025901 AMAQI
31st Jul 20251042 AMAQI
31st Jul 2025933 AMAQI
31st Jul 20251174 AMAQI
31st Jul 20251115 AMAQI
22°C19/25°C
31st Jul 20251216 AMAQI
31st Jul 20251327 AMAQI
31st Jul 20251058 AMAQI
31st Jul 2025849 AMAQI
31st Jul 202511310 AMAQI
31st Jul 202513611 AMAQI
31st Jul 202514612 PMAQI
31st Jul 20251461 PMAQI
31st Jul 20251542 PMAQI
31st Jul 20251543 PMAQI
31st Jul 20251514 PMAQI
31st Jul 20251535 PMAQI
31st Jul 20251446 PMAQI
31st Jul 20251467 PMAQI
31st Jul 20251268 PMAQI
31st Jul 20251119 PMAQI
31st Jul 202512510 PMAQI
31st Jul 202511711 PMAQI
1st Aug 202510112 AMAQI
1st Aug 2025941 AMAQI
1st Aug 2025922 AMAQI
1st Aug 2025863 AMAQI
1st Aug 2025834 AMAQI
1st Aug 2025825 AMAQI
20°C18/23°C
1st Aug 2025766 AMAQI
1st Aug 2025697 AMAQI
1st Aug 2025628 AMAQI
1st Aug 2025639 AMAQI
1st Aug 20255810 AMAQI
1st Aug 20255711 AMAQI
1st Aug 20255712 PMAQI
1st Aug 2025581 PMAQI
1st Aug 2025562 PMAQI
1st Aug 2025493 PMAQI
1st Aug 2025414 PMAQI
1st Aug 2025335 PMAQI
1st Aug 2025386 PMAQI
1st Aug 2025657 PMAQI
1st Aug 2025458 PMAQI
1st Aug 2025279 PMAQI
1st Aug 20253010 PMAQI
1st Aug 20253311 PMAQI
2nd Aug 20253412 AMAQI
2nd Aug 2025371 AMAQI
2nd Aug 2025362 AMAQI
2nd Aug 2025383 AMAQI
2nd Aug 2025424 AMAQI
2nd Aug 2025425 AMAQI
20°C15/25°C
2nd Aug 2025416 AMAQI
2nd Aug 2025397 AMAQI
2nd Aug 2025428 AMAQI
2nd Aug 2025379 AMAQI
2nd Aug 20253510 AMAQI
2nd Aug 20252911 AMAQI
2nd Aug 20252912 PMAQI
2nd Aug 2025331 PMAQI
2nd Aug 2025432 PMAQI
2nd Aug 2025503 PMAQI
2nd Aug 2025524 PMAQI
2nd Aug 2025565 PMAQI
2nd Aug 2025576 PMAQI
2nd Aug 2025447 PMAQI
2nd Aug 2025538 PMAQI
2nd Aug 2025679 PMAQI
2nd Aug 20257610 PMAQI
2nd Aug 20258311 PMAQI
3rd Aug 20258112 AMAQI
3rd Aug 2025871 AMAQI
3rd Aug 2025892 AMAQI
3rd Aug 2025903 AMAQI
3rd Aug 2025864 AMAQI
3rd Aug 2025815 AMAQI
19°C13/27°C
3rd Aug 2025806 AMAQI
6 AM3rd Aug 2025827 AMAQI
3rd Aug 2025828 AMAQI
3rd Aug 2025839 AMAQI
3rd Aug 20258910 AMAQI
3rd Aug 20259711 AMAQI
1 PM
9 PM
1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 9 PM
50AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
6 AM - 9 PM
50AQI
16 hours / Day
480 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 9 PM (Avg. 50), while the lowest AQI was between 6 AM to 9 PM (Avg. 50).
Night time
Avg. Highest Time
12 AM - 11 PM
49AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
49AQI
8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 49), while the lowest AQI was between 12 AM to 11 PM (Avg. 49).
2025 Days Vs Air Quality
Port Huron, Michigan, United States
2025
85%
182
14%
31
0.4%
1
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
182 DaysModerate
31 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2025, 85% of 215 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
Port Huron, Michigan, 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
19AQI
19AQI
2nd January 2025
23AQI
23AQI
3rd January 2025
22AQI
22AQI
4th January 2025
23AQI
23AQI
5th January 2025
23AQI
23AQI
6th January 2025
22AQI
22AQI
7th January 2025
23AQI
23AQI
8th January 2025
24AQI
24AQI
9th January 2025
27AQI
27AQI
10th January 2025
59AQI
59AQI
11th January 2025
57AQI
57AQI
12th January 2025
52AQI
52AQI
13th January 2025
30AQI
30AQI
14th January 2025
25AQI
25AQI
15th January 2025
27AQI
27AQI
16th January 2025
53AQI
53AQI
17th January 2025
37AQI
37AQI
18th January 2025
30AQI
30AQI
19th January 2025
25AQI
25AQI
20th January 2025
23AQI
23AQI
21st January 2025
26AQI
26AQI
22nd January 2025
30AQI
30AQI
23rd January 2025
42AQI
42AQI
24th January 2025
34AQI
34AQI
25th January 2025
56AQI
56AQI
26th January 2025
36AQI
36AQI
27th January 2025
30AQI
30AQI
28th January 2025
26AQI
26AQI
29th January 2025
25AQI
25AQI
30th January 2025
30AQI
30AQI
31st January 2025
49AQI
49AQI
1st February 2025
25AQI
25AQI
2nd February 2025
36AQI
36AQI
3rd February 2025
52AQI
52AQI
4th February 2025
24AQI
24AQI
5th February 2025
24AQI
24AQI
6th February 2025
33AQI
33AQI
7th February 2025
26AQI
26AQI
8th February 2025
42AQI
42AQI
9th February 2025
32AQI
32AQI
10th February 2025
38AQI
38AQI
11th February 2025
43AQI
43AQI
12th February 2025
32AQI
32AQI
13th February 2025
29AQI
29AQI
14th February 2025
41AQI
41AQI
15th February 2025
51AQI
51AQI
16th February 2025
37AQI
37AQI
17th February 2025
27AQI
27AQI
18th February 2025
25AQI
25AQI
19th February 2025
25AQI
25AQI
20th February 2025
25AQI
25AQI
21st February 2025
28AQI
28AQI
22nd February 2025
53AQI
53AQI
23rd February 2025
60AQI
60AQI
24th February 2025
55AQI
55AQI
25th February 2025
43AQI
43AQI
26th February 2025
37AQI
37AQI
27th February 2025
52AQI
52AQI
28th February 2025
24AQI
24AQI
1st March 2025
29AQI
29AQI
2nd March 2025
29AQI
29AQI
3rd March 2025
35AQI
35AQI
4th March 2025
38AQI
38AQI
5th March 2025
30AQI
30AQI
6th March 2025
29AQI
29AQI
7th March 2025
29AQI
29AQI
8th March 2025
31AQI
31AQI
9th March 2025
29AQI
29AQI
10th March 2025
36AQI
36AQI
11th March 2025
31AQI
31AQI
12th March 2025
28AQI
28AQI
13th March 2025
33AQI
33AQI
14th March 2025
50AQI
50AQI
15th March 2025
43AQI
43AQI
16th March 2025
22AQI
22AQI
17th March 2025
17AQI
17AQI
18th March 2025
25AQI
25AQI
19th March 2025
33AQI
33AQI
20th March 2025
22AQI
22AQI
21st March 2025
21AQI
21AQI
22nd March 2025
17AQI
17AQI
23rd March 2025
17AQI
17AQI
24th March 2025
20AQI
20AQI
25th March 2025
18AQI
18AQI
26th March 2025
19AQI
19AQI
27th March 2025
37AQI
37AQI
28th March 2025
40AQI
40AQI
29th March 2025
40AQI
40AQI
30th March 2025
40AQI
40AQI
31st March 2025
20AQI
20AQI
1st April 2025
17AQI
17AQI
2nd April 2025
20AQI
20AQI
3rd April 2025
21AQI
21AQI
4th April 2025
18AQI
18AQI
5th April 2025
19AQI
19AQI
6th April 2025
17AQI
17AQI
7th April 2025
19AQI
19AQI
8th April 2025
15AQI
15AQI
9th April 2025
29AQI
29AQI
10th April 2025
32AQI
32AQI
11th April 2025
29AQI
29AQI
12th April 2025
23AQI
23AQI
13th April 2025
37AQI
37AQI
14th April 2025
26AQI
26AQI
15th April 2025
14AQI
14AQI
16th April 2025
15AQI
15AQI
17th April 2025
27AQI
27AQI
18th April 2025
42AQI
42AQI
19th April 2025
38AQI
38AQI
20th April 2025
17AQI
17AQI
21st April 2025
22AQI
22AQI
22nd April 2025
16AQI
16AQI
23rd April 2025
40AQI
40AQI
24th April 2025
49AQI
49AQI
25th April 2025
39AQI
39AQI
26th April 2025
18AQI
18AQI
27th April 2025
21AQI
21AQI
28th April 2025
26AQI
26AQI
29th April 2025
35AQI
35AQI
30th April 2025
15AQI
15AQI
1st May 2025
27AQI
27AQI
2nd May 2025
22AQI
22AQI
3rd May 2025
16AQI
16AQI
4th May 2025
17AQI
17AQI
5th May 2025
23AQI
23AQI
6th May 2025
29AQI
29AQI
7th May 2025
25AQI
25AQI
8th May 2025
17AQI
17AQI
9th May 2025
19AQI
19AQI
10th May 2025
30AQI
30AQI
11th May 2025
22AQI
22AQI
12th May 2025
35AQI
35AQI
13th May 2025
26AQI
26AQI
14th May 2025
20AQI
20AQI
15th May 2025
27AQI
27AQI
16th May 2025
31AQI
31AQI
17th May 2025
23AQI
23AQI
18th May 2025
17AQI
17AQI
19th May 2025
13AQI
13AQI
20th May 2025
17AQI
17AQI
21st May 2025
20AQI
20AQI
22nd May 2025
12AQI
12AQI
23rd May 2025
11AQI
11AQI
24th May 2025
13AQI
13AQI
25th May 2025
27AQI
27AQI
26th May 2025
25AQI
25AQI
27th May 2025
28AQI
28AQI
28th May 2025
20AQI
20AQI
29th May 2025
30AQI
30AQI
30th May 2025
35AQI
35AQI
31st May 2025
23AQI
23AQI
1st June 2025
23AQI
23AQI
2nd June 2025
28AQI
28AQI
3rd June 2025
46AQI
46AQI
4th June 2025
70AQI
70AQI
5th June 2025
78AQI
78AQI
6th June 2025
86AQI
86AQI
7th June 2025
72AQI
72AQI
8th June 2025
94AQI
94AQI
9th June 2025
80AQI
80AQI
10th June 2025
54AQI
54AQI
11th June 2025
71AQI
71AQI
12th June 2025
77AQI
77AQI
13th June 2025
40AQI
40AQI
14th June 2025
35AQI
35AQI
15th June 2025
35AQI
35AQI
16th June 2025
36AQI
36AQI
17th June 2025
39AQI
39AQI
18th June 2025
33AQI
33AQI
19th June 2025
22AQI
22AQI
20th June 2025
36AQI
36AQI
21st June 2025
39AQI
39AQI
22nd June 2025
42AQI
42AQI
23rd June 2025
53AQI
53AQI
24th June 2025
54AQI
54AQI
25th June 2025
40AQI
40AQI
26th June 2025
50AQI
50AQI
27th June 2025
43AQI
43AQI
28th June 2025
28AQI
28AQI
29th June 2025
40AQI
40AQI
30th June 2025
33AQI
33AQI
1st July 2025
30AQI
30AQI
2nd July 2025
42AQI
42AQI
3rd July 2025
51AQI
51AQI
4th July 2025
48AQI
48AQI
5th July 2025
54AQI
54AQI
6th July 2025
55AQI
55AQI
7th July 2025
31AQI
31AQI
8th July 2025
42AQI
42AQI
9th July 2025
56AQI
56AQI
10th July 2025
45AQI
45AQI
11th July 2025
49AQI
49AQI
12th July 2025
38AQI
38AQI
13th July 2025
42AQI
42AQI
14th July 2025
74AQI
74AQI
15th July 2025
93AQI
93AQI
16th July 2025
86AQI
86AQI
17th July 2025
39AQI
39AQI
18th July 2025
30AQI
30AQI
19th July 2025
34AQI
34AQI
20th July 2025
30AQI
30AQI
21st July 2025
46AQI
46AQI
22nd July 2025
22AQI
22AQI
23rd July 2025
27AQI
27AQI
24th July 2025
45AQI
45AQI
25th July 2025
34AQI
34AQI
26th July 2025
57AQI
57AQI
27th July 2025
33AQI
33AQI
28th July 2025
45AQI
45AQI
29th July 2025
38AQI
38AQI
30th July 2025
49AQI
49AQI
31st July 2025
121AQI
121AQI
1st August 2025
62AQI
62AQI
2nd August 2025
42AQI
42AQI
33AQI
36AQI
29AQI
25AQI
23AQI
49AQI
48AQI
52AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202535AQI
26
5
22
6
31
30
31
19
11
22
8
1
1
1
182
31
1
Highest AQI recorded in
August52AQI
Lowest AQI recorded in
May23AQI
202433AQI
25
6
25
4
31
30
31
29
31
28
3
30
26
5
29
1
31
346
19
Highest AQI recorded in
January37AQI
Lowest AQI recorded in
November28AQI
202341AQI
25
6
26
2
28
3
25
5
28
3
8
15
5
2
20
11
22
9
28
2
28
3
25
4
24
7
287
70
5
2
Highest AQI recorded in
June79AQI
Lowest AQI recorded in
October32AQI
202236AQI
27
4
18
4
26
5
29
1
29
2
26
4
20
3
1
27
2
29
2
23
7
25
6
280
40
Highest AQI recorded in
June39AQI
Lowest AQI recorded in
August26AQI
202137AQI
24
6
25
3
28
3
25
5
25
6
24
6
18
13
19
12
29
1
29
2
26
4
27
4
299
65
Highest AQI recorded in
August46AQI
Lowest AQI recorded in
September31AQI
202034AQI
13
21
18
26
4
26
5
28
3
28
2
30
1
27
3
21
10
238
28
Highest AQI recorded in
June39AQI
Lowest AQI recorded in
October26AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
41AQILeast Polluted Year Recorded
2024(Avg.)
33AQIPort Huron's annual 2025 AQI (35) shows an average percentage change of -3.1% (improved AQI) compared to previous years: 2020 (34), 2021 (37), 2022 (36), 2023 (41), 2024 (33).
