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
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
133AQILowest AQI recorded on
18th Aug 2025
16AQISame Day Analysis (3rd August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 38 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 3rd Aug - 4th Aug 2026
Port Huron, Michigan, United States
AQI
Day
Night
.
6 AM3rd Aug 2026
9 PM
5 AM4th Aug 2026
Day time
Avg. Highest Time
2PM3rd Aug
66AQI
Avg. Lowest Time
7PM3rd Aug
18AQI
Night time
Avg. Highest Time
4AM4th Aug
42AQI
Avg. Lowest Time
1AM4th Aug
24AQI
In the last 24 hours,
Port Huron's AQI reached its highest point of 66 at 2 PM during the Day, while the lowest point, 18, was recorded at 7 PM during the Day between 3rd Aug and 4th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Port Huron, Michigan, United States
JulAug
06th - 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 - 04th04th
Day
Night
6th Jul 2026236 AMAQI
6th Jul 2026287 AMAQI
6th Jul 2026298 AMAQI
6th Jul 2026299 AMAQI
6th Jul 20263010 AMAQI
6th Jul 20263211 AMAQI
6th Jul 20263412 PMAQI
6th Jul 2026351 PMAQI
6th Jul 2026322 PMAQI
6th Jul 2026313 PMAQI
6th Jul 2026314 PMAQI
6th Jul 2026315 PMAQI
6th Jul 2026346 PMAQI
6th Jul 2026347 PMAQI
6th Jul 2026278 PMAQI
6th Jul 2026259 PMAQI
6th Jul 20262510 PMAQI
6th Jul 20262311 PMAQI
7th Jul 20262312 AMAQI
7th Jul 2026311 AMAQI
7th Jul 2026352 AMAQI
7th Jul 2026293 AMAQI
7th Jul 2026444 AMAQI
7th Jul 2026315 AMAQI
22°C17/28°C
7th Jul 2026296 AMAQI
7th Jul 2026297 AMAQI
7th Jul 2026298 AMAQI
7th Jul 2026309 AMAQI
7th Jul 20262810 AMAQI
7th Jul 20263311 AMAQI
7th Jul 20263312 PMAQI
7th Jul 2026311 PMAQI
7th Jul 2026312 PMAQI
7th Jul 2026303 PMAQI
7th Jul 2026314 PMAQI
7th Jul 2026315 PMAQI
7th Jul 2026306 PMAQI
7th Jul 2026327 PMAQI
7th Jul 2026298 PMAQI
7th Jul 2026299 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20262711 PMAQI
8th Jul 20262512 AMAQI
8th Jul 2026261 AMAQI
8th Jul 2026302 AMAQI
8th Jul 2026293 AMAQI
8th Jul 2026254 AMAQI
8th Jul 2026265 AMAQI
23°C18/30°C
8th Jul 2026216 AMAQI
8th Jul 2026217 AMAQI
8th Jul 2026238 AMAQI
8th Jul 2026259 AMAQI
8th Jul 20262710 AMAQI
8th Jul 20263011 AMAQI
8th Jul 20263212 PMAQI
8th Jul 2026311 PMAQI
8th Jul 2026312 PMAQI
8th Jul 2026283 PMAQI
8th Jul 2026304 PMAQI
8th Jul 2026285 PMAQI
8th Jul 2026296 PMAQI
8th Jul 2026297 PMAQI
8th Jul 2026258 PMAQI
8th Jul 2026239 PMAQI
8th Jul 20262410 PMAQI
8th Jul 20262411 PMAQI
9th Jul 20262312 AMAQI
9th Jul 2026241 AMAQI
9th Jul 2026282 AMAQI
9th Jul 2026293 AMAQI
9th Jul 2026274 AMAQI
9th Jul 2026275 AMAQI
25°C16/33°C
9th Jul 2026276 AMAQI
9th Jul 2026297 AMAQI
9th Jul 2026268 AMAQI
9th Jul 2026289 AMAQI
9th Jul 20263010 AMAQI
9th Jul 20262911 AMAQI
9th Jul 20263012 PMAQI
9th Jul 2026341 PMAQI
9th Jul 2026292 PMAQI
9th Jul 2026293 PMAQI
9th Jul 2026314 PMAQI
9th Jul 2026315 PMAQI
9th Jul 2026296 PMAQI
9th Jul 2026317 PMAQI
9th Jul 2026318 PMAQI
9th Jul 2026329 PMAQI
9th Jul 20262910 PMAQI
9th Jul 20263011 PMAQI
10th Jul 20262712 AMAQI
10th Jul 2026251 AMAQI
10th Jul 2026252 AMAQI
10th Jul 2026273 AMAQI
10th Jul 2026324 AMAQI
10th Jul 2026325 AMAQI
26°C20/32°C
10th Jul 2026326 AMAQI
10th Jul 2026407 AMAQI
10th Jul 2026278 AMAQI
10th Jul 2026299 AMAQI
10th Jul 20262610 AMAQI
10th Jul 20263611 AMAQI
10th Jul 20264012 PMAQI
10th Jul 2026291 PMAQI
10th Jul 2026302 PMAQI
10th Jul 2026333 PMAQI
10th Jul 2026424 PMAQI
10th Jul 2026295 PMAQI
10th Jul 2026276 PMAQI
10th Jul 2026297 PMAQI
10th Jul 2026298 PMAQI
10th Jul 2026379 PMAQI
10th Jul 20263110 PMAQI
10th Jul 20263011 PMAQI
11th Jul 20262612 AMAQI
11th Jul 2026251 AMAQI
11th Jul 2026252 AMAQI
11th Jul 2026283 AMAQI
11th Jul 2026324 AMAQI
11th Jul 2026325 AMAQI
23°C20/28°C
11th Jul 2026546 AMAQI
11th Jul 2026297 AMAQI
11th Jul 2026378 AMAQI
11th Jul 2026399 AMAQI
11th Jul 20263410 AMAQI
11th Jul 20263411 AMAQI
11th Jul 20263412 PMAQI
11th Jul 2026331 PMAQI
11th Jul 2026332 PMAQI
11th Jul 2026283 PMAQI
11th Jul 2026314 PMAQI
11th Jul 2026335 PMAQI
11th Jul 2026426 PMAQI
11th Jul 2026317 PMAQI
11th Jul 2026318 PMAQI
11th Jul 2026319 PMAQI
11th Jul 20263010 PMAQI
11th Jul 20262711 PMAQI
12th Jul 20264312 AMAQI
12th Jul 2026241 AMAQI
12th Jul 2026232 AMAQI
12th Jul 2026263 AMAQI
12th Jul 2026324 AMAQI
12th Jul 2026385 AMAQI
24°C17/30°C
12th Jul 2026316 AMAQI
12th Jul 2026317 AMAQI
12th Jul 2026538 AMAQI
12th Jul 2026579 AMAQI
12th Jul 20265810 AMAQI
12th Jul 20265811 AMAQI
12th Jul 20265512 PMAQI
12th Jul 2026571 PMAQI
12th Jul 2026552 PMAQI
12th Jul 2026483 PMAQI
12th Jul 2026414 PMAQI
12th Jul 2026415 PMAQI
12th Jul 2026366 PMAQI
12th Jul 2026317 PMAQI
12th Jul 2026308 PMAQI
12th Jul 2026329 PMAQI
12th Jul 20262810 PMAQI
12th Jul 20263611 PMAQI
13th Jul 20262412 AMAQI
13th Jul 2026221 AMAQI
13th Jul 2026232 AMAQI
13th Jul 2026303 AMAQI
13th Jul 2026324 AMAQI
13th Jul 2026315 AMAQI
23°C16/31°C
13th Jul 2026426 AMAQI
13th Jul 2026327 AMAQI
13th Jul 2026488 AMAQI
13th Jul 2026409 AMAQI
13th Jul 20263910 AMAQI
13th Jul 20263511 AMAQI
13th Jul 20264012 PMAQI
13th Jul 2026421 PMAQI
13th Jul 2026322 PMAQI
13th Jul 2026343 PMAQI
13th Jul 2026364 PMAQI
13th Jul 2026355 PMAQI
13th Jul 2026326 PMAQI
13th Jul 2026337 PMAQI
13th Jul 2026358 PMAQI
13th Jul 2026349 PMAQI
13th Jul 20263110 PMAQI
13th Jul 20262511 PMAQI
14th Jul 20262212 AMAQI
14th Jul 2026221 AMAQI
14th Jul 2026312 AMAQI
14th Jul 2026333 AMAQI
14th Jul 2026324 AMAQI
14th Jul 2026405 AMAQI
26°C16/35°C
14th Jul 2026406 AMAQI
14th Jul 2026327 AMAQI
14th Jul 2026348 AMAQI
14th Jul 2026359 AMAQI
14th Jul 20263610 AMAQI
14th Jul 20263711 AMAQI
14th Jul 20263712 PMAQI
14th Jul 2026341 PMAQI
14th Jul 2026332 PMAQI
14th Jul 2026323 PMAQI
14th Jul 2026334 PMAQI
14th Jul 2026265 PMAQI
14th Jul 2026336 PMAQI
14th Jul 2026327 PMAQI
14th Jul 2026328 PMAQI
14th Jul 2026339 PMAQI
14th Jul 20262710 PMAQI
14th Jul 20262511 PMAQI
15th Jul 20262212 AMAQI
15th Jul 2026221 AMAQI
15th Jul 2026202 AMAQI
15th Jul 2026283 AMAQI
15th Jul 2026254 AMAQI
15th Jul 2026325 AMAQI
30°C21/39°C
15th Jul 2026356 AMAQI
15th Jul 2026777 AMAQI
15th Jul 2026248 AMAQI
15th Jul 2026299 AMAQI
15th Jul 20265410 AMAQI
15th Jul 20262611 AMAQI
15th Jul 20267512 PMAQI
15th Jul 2026311 PMAQI
15th Jul 2026292 PMAQI
15th Jul 2026293 PMAQI
15th Jul 20261064 PMAQI
15th Jul 2026535 PMAQI
15th Jul 20261016 PMAQI
15th Jul 2026867 PMAQI
15th Jul 2026838 PMAQI
15th Jul 2026899 PMAQI
15th Jul 20268410 PMAQI
15th Jul 20268111 PMAQI
16th Jul 20267912 AMAQI
16th Jul 2026911 AMAQI
16th Jul 2026912 AMAQI
16th Jul 2026753 AMAQI
16th Jul 20261194 AMAQI
16th Jul 2026865 AMAQI
28°C23/35°C
16th Jul 2026896 AMAQI
16th Jul 2026847 AMAQI
16th Jul 20261108 AMAQI
16th Jul 2026999 AMAQI
16th Jul 20268810 AMAQI
16th Jul 20268811 AMAQI
16th Jul 20268012 PMAQI
16th Jul 2026901 PMAQI
16th Jul 2026782 PMAQI
16th Jul 20261093 PMAQI
16th Jul 2026884 PMAQI
16th Jul 2026875 PMAQI
16th Jul 2026886 PMAQI
16th Jul 2026787 PMAQI
16th Jul 20261178 PMAQI
16th Jul 2026889 PMAQI
16th Jul 20268510 PMAQI
16th Jul 20268311 PMAQI
17th Jul 20267812 AMAQI
17th Jul 2026701 AMAQI
17th Jul 2026752 AMAQI
17th Jul 2026633 AMAQI
17th Jul 2026674 AMAQI
17th Jul 2026705 AMAQI
24°C19/31°C
17th Jul 20261396 AMAQI
17th Jul 20261667 AMAQI
17th Jul 20261828 AMAQI
17th Jul 20261759 AMAQI
17th Jul 202617410 AMAQI
17th Jul 202617311 AMAQI
17th Jul 202616012 PMAQI
17th Jul 20261051 PMAQI
17th Jul 2026792 PMAQI
17th Jul 2026663 PMAQI
17th Jul 2026704 PMAQI
17th Jul 2026675 PMAQI
17th Jul 2026656 PMAQI
17th Jul 2026667 PMAQI
17th Jul 2026708 PMAQI
17th Jul 2026649 PMAQI
17th Jul 20266810 PMAQI
17th Jul 20266411 PMAQI
18th Jul 20266512 AMAQI
18th Jul 2026631 AMAQI
18th Jul 2026602 AMAQI
18th Jul 2026603 AMAQI
18th Jul 2026644 AMAQI
18th Jul 2026645 AMAQI
23°C14/32°C
18th Jul 2026576 AMAQI
18th Jul 2026687 AMAQI
18th Jul 2026648 AMAQI
18th Jul 2026669 AMAQI
18th Jul 20266710 AMAQI
18th Jul 20266511 AMAQI
18th Jul 20266212 PMAQI
18th Jul 2026551 PMAQI
18th Jul 2026542 PMAQI
18th Jul 2026543 PMAQI
18th Jul 2026564 PMAQI
18th Jul 2026495 PMAQI
18th Jul 2026616 PMAQI
18th Jul 2026647 PMAQI
18th Jul 2026638 PMAQI
18th Jul 2026609 PMAQI
18th Jul 20266510 PMAQI
18th Jul 20267411 PMAQI
19th Jul 20266312 AMAQI
19th Jul 2026601 AMAQI
19th Jul 2026582 AMAQI
19th Jul 2026543 AMAQI
19th Jul 2026504 AMAQI
19th Jul 2026615 AMAQI
25°C21/34°C
19th Jul 2026686 AMAQI
19th Jul 2026657 AMAQI
19th Jul 2026758 AMAQI
19th Jul 2026949 AMAQI
19th Jul 20268610 AMAQI
19th Jul 20269811 AMAQI
19th Jul 202611412 PMAQI
19th Jul 2026841 PMAQI
19th Jul 2026872 PMAQI
19th Jul 2026973 PMAQI
19th Jul 2026934 PMAQI
19th Jul 2026935 PMAQI
19th Jul 2026886 PMAQI
19th Jul 2026847 PMAQI
19th Jul 2026608 PMAQI
19th Jul 2026549 PMAQI
19th Jul 20266110 PMAQI
19th Jul 20266411 PMAQI
20th Jul 20266512 AMAQI
20th Jul 2026681 AMAQI
20th Jul 2026672 AMAQI
20th Jul 2026633 AMAQI
20th Jul 2026624 AMAQI
20th Jul 2026625 AMAQI
21°C17/25°C
20th Jul 2026666 AMAQI
20th Jul 2026647 AMAQI
20th Jul 2026668 AMAQI
20th Jul 2026679 AMAQI
20th Jul 20266910 AMAQI
20th Jul 20267811 AMAQI
20th Jul 20267812 PMAQI
20th Jul 2026721 PMAQI
20th Jul 2026722 PMAQI
20th Jul 2026723 PMAQI
20th Jul 2026714 PMAQI
20th Jul 2026745 PMAQI
20th Jul 2026766 PMAQI
20th Jul 2026847 PMAQI
20th Jul 2026888 PMAQI
20th Jul 2026899 PMAQI
20th Jul 20268910 PMAQI
21st Jul 20268412 AMAQI
21st Jul 2026751 AMAQI
21st Jul 2026862 AMAQI
21st Jul 2026663 AMAQI
21st Jul 2026744 AMAQI
21st Jul 2026695 AMAQI
21°C11/30°C
21st Jul 2026706 AMAQI
21st Jul 2026677 AMAQI
21st Jul 2026808 AMAQI
21st Jul 2026689 AMAQI
21st Jul 20267310 AMAQI
21st Jul 20269011 AMAQI
21st Jul 20268212 PMAQI
21st Jul 2026761 PMAQI
21st Jul 2026712 PMAQI
21st Jul 2026513 PMAQI
21st Jul 2026374 PMAQI
21st Jul 2026315 PMAQI
21st Jul 2026286 PMAQI
21st Jul 2026287 PMAQI
21st Jul 2026308 PMAQI
21st Jul 2026219 PMAQI
21st Jul 20262010 PMAQI
21st Jul 20262211 PMAQI
22nd Jul 20261912 AMAQI
22nd Jul 2026231 AMAQI
22nd Jul 2026282 AMAQI
22nd Jul 2026333 AMAQI
22nd Jul 2026314 AMAQI
22nd Jul 2026315 AMAQI
24°C18/34°C
22nd Jul 2026376 AMAQI
22nd Jul 2026357 AMAQI
22nd Jul 2026308 AMAQI
22nd Jul 2026249 AMAQI
22nd Jul 20262810 AMAQI
22nd Jul 20262611 AMAQI
22nd Jul 20263412 PMAQI
22nd Jul 2026241 PMAQI
22nd Jul 2026242 PMAQI
22nd Jul 2026243 PMAQI
22nd Jul 2026234 PMAQI
22nd Jul 2026235 PMAQI
22nd Jul 2026226 PMAQI
22nd Jul 2026277 PMAQI
22nd Jul 2026258 PMAQI
22nd Jul 2026249 PMAQI
22nd Jul 20262010 PMAQI
22nd Jul 20262211 PMAQI
23rd Jul 20262012 AMAQI
23rd Jul 2026231 AMAQI
23rd Jul 2026222 AMAQI
23rd Jul 2026233 AMAQI
23rd Jul 2026374 AMAQI
23rd Jul 2026235 AMAQI
18°C14/23°C
23rd Jul 2026246 AMAQI
23rd Jul 2026227 AMAQI
23rd Jul 2026288 AMAQI
23rd Jul 2026269 AMAQI
23rd Jul 20263110 AMAQI
23rd Jul 20264211 AMAQI
23rd Jul 20264512 PMAQI
23rd Jul 2026331 PMAQI
23rd Jul 2026222 PMAQI
23rd Jul 2026243 PMAQI
23rd Jul 2026264 PMAQI
23rd Jul 2026335 PMAQI
23rd Jul 2026256 PMAQI
23rd Jul 2026227 PMAQI
23rd Jul 2026278 PMAQI
23rd Jul 2026249 PMAQI
23rd Jul 20263310 PMAQI
23rd Jul 20262511 PMAQI
24th Jul 20264612 AMAQI
24th Jul 2026461 AMAQI
24th Jul 2026292 AMAQI
24th Jul 2026293 AMAQI
24th Jul 2026244 AMAQI
24th Jul 2026255 AMAQI
19°C11/27°C
24th Jul 2026256 AMAQI
24th Jul 2026257 AMAQI
24th Jul 2026348 AMAQI
24th Jul 2026269 AMAQI
24th Jul 20262410 AMAQI
24th Jul 20262611 AMAQI
24th Jul 20263412 PMAQI
24th Jul 2026251 PMAQI
24th Jul 2026302 PMAQI
24th Jul 2026323 PMAQI
24th Jul 2026284 PMAQI
24th Jul 2026275 PMAQI
24th Jul 2026286 PMAQI
24th Jul 2026267 PMAQI
24th Jul 2026258 PMAQI
24th Jul 2026229 PMAQI
24th Jul 20262510 PMAQI
24th Jul 20262311 PMAQI
25th Jul 20262412 AMAQI
25th Jul 2026411 AMAQI
25th Jul 2026372 AMAQI
25th Jul 2026243 AMAQI
25th Jul 2026284 AMAQI
25th Jul 2026245 AMAQI
21°C11/29°C
25th Jul 2026276 AMAQI
25th Jul 2026337 AMAQI
25th Jul 2026398 AMAQI
25th Jul 2026399 AMAQI
25th Jul 20263110 AMAQI
25th Jul 20262511 AMAQI
25th Jul 20262312 PMAQI
25th Jul 2026221 PMAQI
25th Jul 2026232 PMAQI
25th Jul 2026263 PMAQI
25th Jul 2026394 PMAQI
25th Jul 2026385 PMAQI
25th Jul 2026306 PMAQI
25th Jul 2026287 PMAQI
25th Jul 2026348 PMAQI
25th Jul 2026359 PMAQI
25th Jul 20263510 PMAQI
25th Jul 20264611 PMAQI
26th Jul 20264712 AMAQI
26th Jul 2026531 AMAQI
26th Jul 2026542 AMAQI
26th Jul 2026533 AMAQI
26th Jul 2026524 AMAQI
26th Jul 2026505 AMAQI
22°C14/30°C
26th Jul 2026526 AMAQI
26th Jul 2026527 AMAQI
26th Jul 2026518 AMAQI
26th Jul 2026529 AMAQI
26th Jul 20265110 AMAQI
26th Jul 20265111 AMAQI
26th Jul 20264812 PMAQI
26th Jul 2026471 PMAQI
26th Jul 2026452 PMAQI
26th Jul 2026443 PMAQI
26th Jul 2026474 PMAQI
26th Jul 2026485 PMAQI
26th Jul 2026506 PMAQI
26th Jul 2026507 PMAQI
26th Jul 2026518 PMAQI
26th Jul 2026499 PMAQI
26th Jul 20264910 PMAQI
26th Jul 20265211 PMAQI
27th Jul 20265212 AMAQI
27th Jul 2026531 AMAQI
27th Jul 2026532 AMAQI
27th Jul 2026543 AMAQI
27th Jul 2026554 AMAQI
27th Jul 2026565 AMAQI
23°C17/30°C
27th Jul 2026586 AMAQI
27th Jul 2026587 AMAQI
27th Jul 2026588 AMAQI
27th Jul 2026609 AMAQI
27th Jul 20266010 AMAQI
27th Jul 20266011 AMAQI
27th Jul 20266012 PMAQI
27th Jul 2026591 PMAQI
27th Jul 2026592 PMAQI
27th Jul 2026603 PMAQI
27th Jul 2026604 PMAQI
27th Jul 2026595 PMAQI
27th Jul 2026566 PMAQI
27th Jul 2026557 PMAQI
27th Jul 2026568 PMAQI
27th Jul 2026579 PMAQI
27th Jul 20265810 PMAQI
27th Jul 20266011 PMAQI
28th Jul 20266112 AMAQI
28th Jul 2026611 AMAQI
28th Jul 2026662 AMAQI
28th Jul 2026583 AMAQI
28th Jul 2026604 AMAQI
28th Jul 2026645 AMAQI
25°C18/33°C
28th Jul 2026676 AMAQI
28th Jul 2026677 AMAQI
28th Jul 2026698 AMAQI
28th Jul 2026669 AMAQI
28th Jul 20266510 AMAQI
28th Jul 20266111 AMAQI
28th Jul 20266012 PMAQI
28th Jul 2026661 PMAQI
28th Jul 2026622 PMAQI
28th Jul 2026563 PMAQI
28th Jul 2026524 PMAQI
28th Jul 2026525 PMAQI
28th Jul 2026496 PMAQI
28th Jul 2026507 PMAQI
28th Jul 2026458 PMAQI
28th Jul 2026439 PMAQI
28th Jul 20264110 PMAQI
28th Jul 20264311 PMAQI
29th Jul 20263912 AMAQI
29th Jul 2026341 AMAQI
29th Jul 2026322 AMAQI
29th Jul 2026313 AMAQI
29th Jul 2026294 AMAQI
29th Jul 2026245 AMAQI
22°C19/26°C
29th Jul 2026246 AMAQI
29th Jul 2026257 AMAQI
29th Jul 2026218 AMAQI
29th Jul 2026229 AMAQI
29th Jul 20263110 AMAQI
29th Jul 20262611 AMAQI
29th Jul 20262512 PMAQI
29th Jul 2026331 PMAQI
29th Jul 2026272 PMAQI
29th Jul 2026263 PMAQI
29th Jul 2026254 PMAQI
29th Jul 2026315 PMAQI
29th Jul 2026356 PMAQI
29th Jul 2026337 PMAQI
29th Jul 2026298 PMAQI
29th Jul 2026269 PMAQI
29th Jul 20262110 PMAQI
29th Jul 20262311 PMAQI
30th Jul 20263212 AMAQI
30th Jul 2026391 AMAQI
30th Jul 2026292 AMAQI
30th Jul 2026233 AMAQI
30th Jul 2026314 AMAQI
30th Jul 2026255 AMAQI
22°C17/27°C
30th Jul 2026246 AMAQI
30th Jul 2026237 AMAQI
30th Jul 2026328 AMAQI
30th Jul 2026449 AMAQI
30th Jul 20263810 AMAQI
30th Jul 20262111 AMAQI
30th Jul 20262612 PMAQI
30th Jul 2026291 PMAQI
30th Jul 2026412 PMAQI
30th Jul 2026383 PMAQI
30th Jul 2026434 PMAQI
30th Jul 2026435 PMAQI
30th Jul 2026446 PMAQI
30th Jul 2026417 PMAQI
30th Jul 2026508 PMAQI
30th Jul 2026359 PMAQI
30th Jul 20264210 PMAQI
30th Jul 20264211 PMAQI
31st Jul 20264212 AMAQI
31st Jul 2026411 AMAQI
31st Jul 2026412 AMAQI
31st Jul 2026393 AMAQI
31st Jul 2026354 AMAQI
31st Jul 2026345 AMAQI
23°C16/30°C
31st Jul 2026326 AMAQI
31st Jul 2026377 AMAQI
31st Jul 2026448 AMAQI
31st Jul 2026429 AMAQI
31st Jul 20264810 AMAQI
31st Jul 20265011 AMAQI
31st Jul 20265112 PMAQI
31st Jul 2026531 PMAQI
31st Jul 2026532 PMAQI
31st Jul 2026553 PMAQI
31st Jul 2026584 PMAQI
31st Jul 2026535 PMAQI
31st Jul 2026496 PMAQI
31st Jul 2026527 PMAQI
31st Jul 2026488 PMAQI
31st Jul 2026549 PMAQI
31st Jul 20265610 PMAQI
31st Jul 20265511 PMAQI
1st Aug 20264512 AMAQI
1st Aug 2026511 AMAQI
1st Aug 2026482 AMAQI
1st Aug 2026553 AMAQI
1st Aug 2026604 AMAQI
1st Aug 2026615 AMAQI
24°C16/32°C
1st Aug 2026646 AMAQI
1st Aug 2026587 AMAQI
1st Aug 2026578 AMAQI
1st Aug 2026559 AMAQI
1st Aug 20265410 AMAQI
1st Aug 20265211 AMAQI
1st Aug 20265412 PMAQI
1st Aug 2026541 PMAQI
1st Aug 2026522 PMAQI
1st Aug 2026513 PMAQI
1st Aug 2026504 PMAQI
1st Aug 2026495 PMAQI
1st Aug 2026516 PMAQI
1st Aug 2026477 PMAQI
1st Aug 2026408 PMAQI
1st Aug 2026429 PMAQI
1st Aug 20263910 PMAQI
1st Aug 20263711 PMAQI
2nd Aug 20263612 AMAQI
2nd Aug 2026371 AMAQI
2nd Aug 2026362 AMAQI
2nd Aug 2026373 AMAQI
2nd Aug 2026364 AMAQI
2nd Aug 2026355 AMAQI
23°C20/30°C
2nd Aug 2026296 AMAQI
2nd Aug 2026307 AMAQI
2nd Aug 2026268 AMAQI
2nd Aug 2026289 AMAQI
2nd Aug 20263010 AMAQI
2nd Aug 20262511 AMAQI
2nd Aug 20262412 PMAQI
2nd Aug 2026231 PMAQI
2nd Aug 2026242 PMAQI
2nd Aug 2026243 PMAQI
2nd Aug 2026284 PMAQI
2nd Aug 2026325 PMAQI
2nd Aug 2026306 PMAQI
2nd Aug 2026267 PMAQI
2nd Aug 2026258 PMAQI
2nd Aug 2026249 PMAQI
2nd Aug 20263710 PMAQI
2nd Aug 20262411 PMAQI
3rd Aug 20262112 AMAQI
3rd Aug 2026221 AMAQI
3rd Aug 2026222 AMAQI
3rd Aug 2026223 AMAQI
3rd Aug 2026334 AMAQI
3rd Aug 2026275 AMAQI
21°C19/23°C
3rd Aug 2026346 AMAQI
3rd Aug 2026457 AMAQI
3rd Aug 2026458 AMAQI
3rd Aug 2026429 AMAQI
3rd Aug 20264210 AMAQI
3rd Aug 20264211 AMAQI
3rd Aug 20264712 PMAQI
3rd Aug 2026441 PMAQI
3rd Aug 2026662 PMAQI
3rd Aug 2026633 PMAQI
3rd Aug 2026664 PMAQI
3rd Aug 2026535 PMAQI
3rd Aug 2026226 PMAQI
3rd Aug 2026187 PMAQI
3rd Aug 2026408 PMAQI
3rd Aug 2026359 PMAQI
3rd Aug 20262910 PMAQI
3rd Aug 20262911 PMAQI
4th Aug 20263312 AMAQI
4th Aug 2026241 AMAQI
4th Aug 2026262 AMAQI
4th Aug 2026333 AMAQI
4th Aug 2026424 AMAQI
4th Aug 2026395 AMAQI
21°C16/27°C
4th Aug 2026416 AMAQI
6 AM4th Aug 2026327 AMAQI
4th Aug 2026318 AMAQI
4th Aug 2026369 AMAQI
4th Aug 20263410 AMAQI
4th Aug 20264311 AMAQI
4th Aug 20263812 PMAQI
4th Aug 2026501 PMAQI
1 PM4th Aug 2026382 PMAQI
4th Aug 2026423 PMAQI
4th Aug 2026254 PMAQI
4th Aug 2026255 PMAQI
4th Aug 2026386 PMAQI
4th Aug 2026337 PMAQI
4th Aug 2026318 PMAQI
4th Aug 2026239 PMAQI
9 PM4th Aug 20264210 PMAQI
4th Aug 20265111 PMAQI
1 AM
5 AM
21°C11/31°C
Day time
Avg. Highest Time
12 PM
52AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
9 PM
41AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 12 PM (Avg. 52), while the lowest AQI was between 9 PM to 9 PM (Avg. 41).
Night time
Avg. Highest Time
4 AM - 10 PM
42AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
3 AM
39AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 10 PM (Avg. 42), while the lowest AQI was between 3 AM to 3 AM (Avg. 39).
2026 Days Vs Air Quality
Port Huron, Michigan, United States
2026
89%
188
11%
24
Total number of days with different AQI categories in last 216 days in 2026 (149 days remaining)
Good
188 DaysModerate
24 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2026, 89% of 216 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 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
17AQI (US)
17AQI (US)
2nd January 2026
21AQI (US)
21AQI (US)
3rd January 2026
32AQI (US)
32AQI (US)
4th January 2026
30AQI (US)
30AQI (US)
5th January 2026
50AQI (US)
50AQI (US)
6th January 2026
75AQI (US)
75AQI (US)
7th January 2026
48AQI (US)
48AQI (US)
8th January 2026
52AQI (US)
52AQI (US)
9th January 2026
24AQI (US)
24AQI (US)
10th January 2026
27AQI (US)
27AQI (US)
11th January 2026
20AQI (US)
20AQI (US)
12th January 2026
26AQI (US)
26AQI (US)
13th January 2026
36AQI (US)
36AQI (US)
14th January 2026
21AQI (US)
21AQI (US)
15th January 2026
13AQI (US)
13AQI (US)
16th January 2026
32AQI (US)
32AQI (US)
17th January 2026
43AQI (US)
43AQI (US)
18th January 2026
28AQI (US)
28AQI (US)
19th January 2026
31AQI (US)
31AQI (US)
20th January 2026
28AQI (US)
28AQI (US)
21st January 2026
36AQI (US)
36AQI (US)
22nd January 2026
59AQI (US)
59AQI (US)
23rd January 2026
60AQI (US)
60AQI (US)
24th January 2026
48AQI (US)
48AQI (US)
25th January 2026
50AQI (US)
50AQI (US)
26th January 2026
48AQI (US)
48AQI (US)
27th January 2026
39AQI (US)
39AQI (US)
28th January 2026
44AQI (US)
44AQI (US)
29th January 2026
50AQI (US)
50AQI (US)
30th January 2026
59AQI (US)
59AQI (US)
31st January 2026
44AQI (US)
44AQI (US)
1st February 2026
45AQI (US)
45AQI (US)
2nd February 2026
51AQI (US)
51AQI (US)
3rd February 2026
48AQI (US)
48AQI (US)
4th February 2026
45AQI (US)
45AQI (US)
5th February 2026
51AQI (US)
51AQI (US)
6th February 2026
50AQI (US)
50AQI (US)
7th February 2026
40AQI (US)
40AQI (US)
8th February 2026
43AQI (US)
43AQI (US)
9th February 2026
48AQI (US)
48AQI (US)
10th February 2026
45AQI (US)
45AQI (US)
11th February 2026
40AQI (US)
40AQI (US)
12th February 2026
39AQI (US)
39AQI (US)
13th February 2026
48AQI (US)
48AQI (US)
14th February 2026
48AQI (US)
48AQI (US)
15th February 2026
44AQI (US)
44AQI (US)
16th February 2026
46AQI (US)
46AQI (US)
17th February 2026
58AQI (US)
58AQI (US)
18th February 2026
43AQI (US)
43AQI (US)
19th February 2026
42AQI (US)
42AQI (US)
20th February 2026
41AQI (US)
41AQI (US)
21st February 2026
36AQI (US)
36AQI (US)
22nd February 2026
37AQI (US)
37AQI (US)
23rd February 2026
37AQI (US)
37AQI (US)
24th February 2026
46AQI (US)
46AQI (US)
25th February 2026
45AQI (US)
45AQI (US)
26th February 2026
34AQI (US)
34AQI (US)
27th February 2026
36AQI (US)
36AQI (US)
28th February 2026
35AQI (US)
35AQI (US)
1st March 2026
38AQI (US)
38AQI (US)
2nd March 2026
61AQI (US)
61AQI (US)
3rd March 2026
45AQI (US)
45AQI (US)
4th March 2026
47AQI (US)
47AQI (US)
5th March 2026
42AQI (US)
42AQI (US)
6th March 2026
36AQI (US)
36AQI (US)
7th March 2026
38AQI (US)
38AQI (US)
8th March 2026
38AQI (US)
38AQI (US)
9th March 2026
36AQI (US)
36AQI (US)
10th March 2026
34AQI (US)
34AQI (US)
11th March 2026
42AQI (US)
42AQI (US)
12th March 2026
39AQI (US)
39AQI (US)
13th March 2026
42AQI (US)
42AQI (US)
14th March 2026
36AQI (US)
36AQI (US)
15th March 2026
32AQI (US)
32AQI (US)
16th March 2026
39AQI (US)
39AQI (US)
17th March 2026
34AQI (US)
34AQI (US)
18th March 2026
31AQI (US)
31AQI (US)
19th March 2026
39AQI (US)
39AQI (US)
20th March 2026
42AQI (US)
42AQI (US)
21st March 2026
39AQI (US)
39AQI (US)
22nd March 2026
36AQI (US)
36AQI (US)
23rd March 2026
40AQI (US)
40AQI (US)
24th March 2026
37AQI (US)
37AQI (US)
25th March 2026
33AQI (US)
33AQI (US)
26th March 2026
37AQI (US)
37AQI (US)
27th March 2026
28AQI (US)
28AQI (US)
28th March 2026
31AQI (US)
31AQI (US)
29th March 2026
29AQI (US)
29AQI (US)
30th March 2026
26AQI (US)
26AQI (US)
31st March 2026
29AQI (US)
29AQI (US)
1st April 2026
30AQI (US)
30AQI (US)
2nd April 2026
30AQI (US)
30AQI (US)
3rd April 2026
29AQI (US)
29AQI (US)
4th April 2026
32AQI (US)
32AQI (US)
5th April 2026
31AQI (US)
31AQI (US)
6th April 2026
31AQI (US)
31AQI (US)
7th April 2026
28AQI (US)
28AQI (US)
8th April 2026
34AQI (US)
34AQI (US)
9th April 2026
29AQI (US)
29AQI (US)
10th April 2026
31AQI (US)
31AQI (US)
11th April 2026
30AQI (US)
30AQI (US)
12th April 2026
29AQI (US)
29AQI (US)
13th April 2026
32AQI (US)
32AQI (US)
14th April 2026
37AQI (US)
37AQI (US)
15th April 2026
36AQI (US)
36AQI (US)
16th April 2026
32AQI (US)
32AQI (US)
17th April 2026
18th April 2026
29AQI (US)
29AQI (US)
19th April 2026
33AQI (US)
33AQI (US)
20th April 2026
29AQI (US)
29AQI (US)
21st April 2026
28AQI (US)
28AQI (US)
22nd April 2026
23rd April 2026
25AQI (US)
25AQI (US)
24th April 2026
25AQI (US)
25AQI (US)
25th April 2026
28AQI (US)
28AQI (US)
26th April 2026
32AQI (US)
32AQI (US)
27th April 2026
27AQI (US)
27AQI (US)
28th April 2026
26AQI (US)
26AQI (US)
29th April 2026
24AQI (US)
24AQI (US)
30th April 2026
26AQI (US)
26AQI (US)
1st May 2026
26AQI (US)
26AQI (US)
2nd May 2026
24AQI (US)
24AQI (US)
3rd May 2026
23AQI (US)
23AQI (US)
4th May 2026
35AQI (US)
35AQI (US)
5th May 2026
38AQI (US)
38AQI (US)
6th May 2026
31AQI (US)
31AQI (US)
7th May 2026
26AQI (US)
26AQI (US)
8th May 2026
29AQI (US)
29AQI (US)
9th May 2026
10th May 2026
31AQI (US)
31AQI (US)
11th May 2026
27AQI (US)
27AQI (US)
12th May 2026
26AQI (US)
26AQI (US)
13th May 2026
35AQI (US)
35AQI (US)
14th May 2026
22AQI (US)
22AQI (US)
15th May 2026
46AQI (US)
46AQI (US)
16th May 2026
52AQI (US)
52AQI (US)
17th May 2026
56AQI (US)
56AQI (US)
18th May 2026
57AQI (US)
57AQI (US)
19th May 2026
55AQI (US)
55AQI (US)
20th May 2026
50AQI (US)
50AQI (US)
21st May 2026
44AQI (US)
44AQI (US)
22nd May 2026
44AQI (US)
44AQI (US)
23rd May 2026
51AQI (US)
51AQI (US)
24th May 2026
47AQI (US)
47AQI (US)
25th May 2026
45AQI (US)
45AQI (US)
26th May 2026
29AQI (US)
29AQI (US)
27th May 2026
28AQI (US)
28AQI (US)
28th May 2026
23AQI (US)
23AQI (US)
29th May 2026
24AQI (US)
24AQI (US)
30th May 2026
22AQI (US)
22AQI (US)
31st May 2026
28AQI (US)
28AQI (US)
1st June 2026
31AQI (US)
31AQI (US)
2nd June 2026
27AQI (US)
27AQI (US)
3rd June 2026
34AQI (US)
34AQI (US)
4th June 2026
26AQI (US)
26AQI (US)
5th June 2026
34AQI (US)
34AQI (US)
6th June 2026
27AQI (US)
27AQI (US)
7th June 2026
24AQI (US)
24AQI (US)
8th June 2026
26AQI (US)
26AQI (US)
9th June 2026
26AQI (US)
26AQI (US)
10th June 2026
27AQI (US)
27AQI (US)
11th June 2026
26AQI (US)
26AQI (US)
12th June 2026
26AQI (US)
26AQI (US)
13th June 2026
23AQI (US)
23AQI (US)
14th June 2026
22AQI (US)
22AQI (US)
15th June 2026
24AQI (US)
24AQI (US)
16th June 2026
27AQI (US)
27AQI (US)
17th June 2026
27AQI (US)
27AQI (US)
18th June 2026
27AQI (US)
27AQI (US)
19th June 2026
24AQI (US)
24AQI (US)
20th June 2026
23AQI (US)
23AQI (US)
21st June 2026
21AQI (US)
21AQI (US)
22nd June 2026
23AQI (US)
23AQI (US)
23rd June 2026
23AQI (US)
23AQI (US)
24th June 2026
24AQI (US)
24AQI (US)
25th June 2026
26AQI (US)
26AQI (US)
26th June 2026
27AQI (US)
27AQI (US)
27th June 2026
31AQI (US)
31AQI (US)
28th June 2026
27AQI (US)
27AQI (US)
29th June 2026
25AQI (US)
25AQI (US)
30th June 2026
26AQI (US)
26AQI (US)
1st July 2026
46AQI (US)
46AQI (US)
2nd July 2026
46AQI (US)
46AQI (US)
3rd July 2026
33AQI (US)
33AQI (US)
4th July 2026
26AQI (US)
26AQI (US)
5th July 2026
28AQI (US)
28AQI (US)
6th July 2026
29AQI (US)
29AQI (US)
7th July 2026
30AQI (US)
30AQI (US)
8th July 2026
27AQI (US)
27AQI (US)
9th July 2026
29AQI (US)
29AQI (US)
10th July 2026
31AQI (US)
31AQI (US)
11th July 2026
32AQI (US)
32AQI (US)
12th July 2026
40AQI (US)
40AQI (US)
13th July 2026
34AQI (US)
34AQI (US)
14th July 2026
32AQI (US)
32AQI (US)
15th July 2026
52AQI (US)
52AQI (US)
16th July 2026
90AQI (US)
90AQI (US)
17th July 2026
99AQI (US)
99AQI (US)
18th July 2026
62AQI (US)
62AQI (US)
19th July 2026
76AQI (US)
76AQI (US)
20th July 2026
72AQI (US)
72AQI (US)
21st July 2026
59AQI (US)
59AQI (US)
22nd July 2026
26AQI (US)
26AQI (US)
23rd July 2026
27AQI (US)
27AQI (US)
24th July 2026
29AQI (US)
29AQI (US)
25th July 2026
32AQI (US)
32AQI (US)
26th July 2026
50AQI (US)
50AQI (US)
27th July 2026
57AQI (US)
57AQI (US)
28th July 2026
58AQI (US)
58AQI (US)
29th July 2026
28AQI (US)
28AQI (US)
30th July 2026
35AQI (US)
35AQI (US)
31st July 2026
47AQI (US)
47AQI (US)
1st August 2026
51AQI (US)
51AQI (US)
2nd August 2026
30AQI (US)
30AQI (US)
3rd August 2026
38AQI (US)
38AQI (US)
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
38AQI (US)
44AQI (US)
37AQI (US)
30AQI (US)
36AQI (US)
26AQI (US)
44AQI (US)
40AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202637AQI (US)
26
5
25
3
30
1
28
25
5
30
22
9
2
1
188
24
Highest AQI (US) recorded in
February44AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202536AQI (US)
26
5
22
6
31
30
31
19
11
22
8
1
18
10
3
26
4
26
5
26
4
25
6
302
59
4
Highest AQI (US) recorded in
June49AQI (US)
Lowest AQI (US) recorded in
May23AQI (US)
202433AQI (US)
25
6
25
4
31
30
31
29
31
28
3
30
26
5
29
1
31
346
19
Highest AQI (US) recorded in
January37AQI (US)
Lowest AQI (US) recorded in
November28AQI (US)
202341AQI (US)
24
7
26
2
28
3
25
5
28
3
8
15
5
2
20
11
22
9
28
2
28
3
25
4
24
7
286
71
5
2
Highest AQI (US) recorded in
June79AQI (US)
Lowest AQI (US) recorded in
October32AQI (US)
202236AQI (US)
26
4
18
4
26
5
29
1
29
2
26
4
21
2
1
27
2
30
1
23
7
25
6
281
38
Highest AQI (US) recorded in
January39AQI (US)
Lowest AQI (US) recorded in
August26AQI (US)
202137AQI (US)
23
7
25
3
28
3
25
5
27
4
25
5
18
13
19
12
29
1
29
2
26
4
27
4
301
63
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
September31AQI (US)
202034AQI (US)
13
21
18
26
4
26
5
28
3
28
2
30
1
27
3
21
10
238
28
Highest AQI (US) recorded in
June38AQI (US)
Lowest AQI (US) recorded in
October26AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2023(Avg.)
41AQI (US)Least Polluted Year Recorded
2024(Avg.)
33AQI (US)Port Huron's annual 2026 AQI (US) (37) shows an average percentage change of 2.7% (worsened AQI (US)) compared to previous years: 2020 (34), 2021 (37), 2022 (36), 2023 (41), 2024 (33), 2025 (36).
