Ypsilanti, Ypsilanti, 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+
October Air Quality Analysis
Ypsilanti, Ypsilanti, Michigan, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
30th Oct 2022
72AQILowest AQI recorded on
17th Oct 2022
12AQISame Day Analysis (28th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 21 of Good air quality, showing improvement over 2024, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 28th Oct - 29th Oct 2025
Ypsilanti, Ypsilanti, Michigan, United States
AQI
Day
Night
.
7 AM28th Oct 2025
6 PM
6 AM29th Oct 2025
Day time
Avg. Highest Time
9AM28th Oct
28AQI
Avg. Lowest Time
6PM28th Oct
17AQI
Night time
Avg. Highest Time
7AM28th Oct
22AQI
Avg. Lowest Time
12AM29th Oct
17AQI
In the last 24 hours,
Ypsilanti's AQI reached its highest point of 28 at 9 AM during the Day, while the lowest point, 17, was recorded at 12 AM during the Night between 28th Oct and 29th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Ypsilanti, Ypsilanti, Michigan, United States
SepOct
29th - 30th30th - 01st01st - 02nd02nd - 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
Day
Night
29th Sep 2025237 AMAQI
29th Sep 2025208 AMAQI
29th Sep 2025299 AMAQI
29th Sep 20254210 AMAQI
29th Sep 20254811 AMAQI
29th Sep 20254812 PMAQI
29th Sep 2025361 PMAQI
29th Sep 2025342 PMAQI
29th Sep 2025393 PMAQI
29th Sep 2025334 PMAQI
29th Sep 2025365 PMAQI
29th Sep 2025326 PMAQI
29th Sep 2025267 PMAQI
29th Sep 2025208 PMAQI
29th Sep 2025289 PMAQI
29th Sep 20253110 PMAQI
29th Sep 20252211 PMAQI
30th Sep 20252612 AMAQI
30th Sep 2025331 AMAQI
30th Sep 2025392 AMAQI
30th Sep 2025403 AMAQI
30th Sep 2025414 AMAQI
30th Sep 2025365 AMAQI
30th Sep 2025446 AMAQI
20°C11/30°C
30th Sep 2025417 AMAQI
30th Sep 2025298 AMAQI
30th Sep 2025319 AMAQI
30th Sep 20254410 AMAQI
30th Sep 20254511 AMAQI
30th Sep 20253512 PMAQI
30th Sep 2025261 PMAQI
30th Sep 2025292 PMAQI
30th Sep 2025223 PMAQI
30th Sep 2025224 PMAQI
30th Sep 2025235 PMAQI
30th Sep 2025296 PMAQI
30th Sep 2025267 PMAQI
30th Sep 2025238 PMAQI
30th Sep 2025219 PMAQI
30th Sep 20252410 PMAQI
30th Sep 20252111 PMAQI
1st Oct 20252012 AMAQI
1st Oct 2025191 AMAQI
1st Oct 2025222 AMAQI
1st Oct 2025223 AMAQI
1st Oct 2025264 AMAQI
1st Oct 2025295 AMAQI
1st Oct 2025296 AMAQI
20°C11/30°C
1st Oct 2025287 AMAQI
1st Oct 2025288 AMAQI
1st Oct 2025279 AMAQI
1st Oct 20253410 AMAQI
1st Oct 20253411 AMAQI
1st Oct 20252212 PMAQI
1st Oct 2025181 PMAQI
1st Oct 2025202 PMAQI
1st Oct 2025223 PMAQI
1st Oct 2025254 PMAQI
1st Oct 2025245 PMAQI
1st Oct 2025236 PMAQI
1st Oct 2025277 PMAQI
1st Oct 2025288 PMAQI
1st Oct 2025319 PMAQI
1st Oct 20253610 PMAQI
1st Oct 20254111 PMAQI
2nd Oct 20253812 AMAQI
2nd Oct 2025351 AMAQI
2nd Oct 2025362 AMAQI
2nd Oct 2025253 AMAQI
2nd Oct 2025184 AMAQI
2nd Oct 2025155 AMAQI
2nd Oct 2025146 AMAQI
18°C13/26°C
2nd Oct 2025167 AMAQI
2nd Oct 2025188 AMAQI
2nd Oct 2025289 AMAQI
2nd Oct 20253110 AMAQI
2nd Oct 20253911 AMAQI
2nd Oct 20254512 PMAQI
2nd Oct 2025381 PMAQI
2nd Oct 2025362 PMAQI
2nd Oct 2025323 PMAQI
2nd Oct 2025224 PMAQI
2nd Oct 2025255 PMAQI
2nd Oct 2025256 PMAQI
2nd Oct 2025267 PMAQI
2nd Oct 2025298 PMAQI
2nd Oct 2025339 PMAQI
2nd Oct 20253410 PMAQI
2nd Oct 20254011 PMAQI
3rd Oct 20253612 AMAQI
3rd Oct 2025321 AMAQI
3rd Oct 2025362 AMAQI
3rd Oct 2025383 AMAQI
3rd Oct 2025404 AMAQI
3rd Oct 2025345 AMAQI
3rd Oct 2025376 AMAQI
16°C9/26°C
3rd Oct 2025377 AMAQI
3rd Oct 2025518 AMAQI
3rd Oct 2025489 AMAQI
3rd Oct 20255410 AMAQI
3rd Oct 20256711 AMAQI
3rd Oct 20256912 PMAQI
3rd Oct 2025631 PMAQI
3rd Oct 2025592 PMAQI
3rd Oct 2025573 PMAQI
3rd Oct 2025524 PMAQI
3rd Oct 2025525 PMAQI
3rd Oct 2025546 PMAQI
3rd Oct 2025547 PMAQI
3rd Oct 2025538 PMAQI
3rd Oct 2025549 PMAQI
3rd Oct 20255310 PMAQI
3rd Oct 20255411 PMAQI
4th Oct 20255412 AMAQI
4th Oct 2025551 AMAQI
4th Oct 2025592 AMAQI
4th Oct 2025633 AMAQI
4th Oct 2025604 AMAQI
4th Oct 2025585 AMAQI
4th Oct 2025586 AMAQI
19°C9/31°C
4th Oct 2025617 AMAQI
4th Oct 2025578 AMAQI
4th Oct 2025549 AMAQI
4th Oct 20255610 AMAQI
4th Oct 20255611 AMAQI
4th Oct 20255612 PMAQI
4th Oct 2025561 PMAQI
4th Oct 2025572 PMAQI
4th Oct 2025553 PMAQI
4th Oct 2025574 PMAQI
4th Oct 2025565 PMAQI
4th Oct 2025526 PMAQI
4th Oct 2025507 PMAQI
4th Oct 2025518 PMAQI
4th Oct 2025539 PMAQI
4th Oct 20255810 PMAQI
4th Oct 20256111 PMAQI
5th Oct 20256012 AMAQI
5th Oct 2025581 AMAQI
5th Oct 2025612 AMAQI
5th Oct 2025613 AMAQI
5th Oct 2025624 AMAQI
5th Oct 2025665 AMAQI
5th Oct 2025666 AMAQI
22°C12/33°C
5th Oct 2025607 AMAQI
5th Oct 2025578 AMAQI
5th Oct 2025589 AMAQI
5th Oct 20255810 AMAQI
5th Oct 20256011 AMAQI
5th Oct 20256012 PMAQI
5th Oct 2025601 PMAQI
5th Oct 2025562 PMAQI
5th Oct 2025553 PMAQI
5th Oct 2025554 PMAQI
5th Oct 2025525 PMAQI
5th Oct 2025526 PMAQI
5th Oct 2025527 PMAQI
5th Oct 2025528 PMAQI
5th Oct 2025539 PMAQI
5th Oct 20255010 PMAQI
5th Oct 20255311 PMAQI
6th Oct 20255312 AMAQI
6th Oct 2025531 AMAQI
6th Oct 2025472 AMAQI
6th Oct 2025373 AMAQI
6th Oct 2025394 AMAQI
6th Oct 2025365 AMAQI
6th Oct 2025386 AMAQI
22°C15/32°C
6th Oct 2025447 AMAQI
6th Oct 2025448 AMAQI
6th Oct 2025439 AMAQI
6th Oct 20253910 AMAQI
6th Oct 20254611 AMAQI
6th Oct 20254012 PMAQI
6th Oct 2025401 PMAQI
22°C14/31°C
7th Oct 2025437 AMAQI
7th Oct 2025168 AMAQI
7th Oct 2025159 AMAQI
7th Oct 20251510 AMAQI
7th Oct 20251711 AMAQI
7th Oct 20251812 PMAQI
7th Oct 2025171 PMAQI
7th Oct 2025192 PMAQI
7th Oct 2025293 PMAQI
7th Oct 2025274 PMAQI
7th Oct 2025195 PMAQI
7th Oct 2025166 PMAQI
7th Oct 2025137 PMAQI
7th Oct 2025138 PMAQI
7th Oct 2025149 PMAQI
7th Oct 20251410 PMAQI
7th Oct 20251411 PMAQI
8th Oct 20251512 AMAQI
8th Oct 2025151 AMAQI
8th Oct 2025142 AMAQI
8th Oct 2025153 AMAQI
8th Oct 2025164 AMAQI
8th Oct 2025165 AMAQI
8th Oct 2025156 AMAQI
17°C12/21°C
8th Oct 2025197 AMAQI
8th Oct 2025188 AMAQI
8th Oct 2025199 AMAQI
8th Oct 20252110 AMAQI
8th Oct 20252211 AMAQI
8th Oct 20252112 PMAQI
8th Oct 2025191 PMAQI
8th Oct 2025172 PMAQI
8th Oct 2025163 PMAQI
8th Oct 2025164 PMAQI
8th Oct 2025155 PMAQI
8th Oct 2025176 PMAQI
8th Oct 2025167 PMAQI
8th Oct 2025178 PMAQI
8th Oct 2025179 PMAQI
8th Oct 20251710 PMAQI
8th Oct 20251711 PMAQI
9th Oct 20251812 AMAQI
9th Oct 2025181 AMAQI
9th Oct 2025202 AMAQI
9th Oct 2025163 AMAQI
9th Oct 2025124 AMAQI
9th Oct 202595 AMAQI
9th Oct 2025126 AMAQI
12°C7/18°C
9th Oct 2025127 AMAQI
9th Oct 2025148 AMAQI
9th Oct 2025189 AMAQI
9th Oct 20252110 AMAQI
9th Oct 20253211 AMAQI
9th Oct 20254012 PMAQI
9th Oct 2025401 PMAQI
9th Oct 2025402 PMAQI
9th Oct 2025273 PMAQI
9th Oct 2025204 PMAQI
9th Oct 2025235 PMAQI
9th Oct 2025236 PMAQI
9th Oct 2025197 PMAQI
9th Oct 2025228 PMAQI
9th Oct 2025259 PMAQI
9th Oct 20252210 PMAQI
9th Oct 20254511 PMAQI
10th Oct 20254912 AMAQI
10th Oct 2025501 AMAQI
10th Oct 2025502 AMAQI
10th Oct 2025383 AMAQI
10th Oct 2025454 AMAQI
10th Oct 2025245 AMAQI
10th Oct 2025156 AMAQI
10°C3/19°C
10th Oct 2025157 AMAQI
10th Oct 2025188 AMAQI
10th Oct 2025249 AMAQI
10th Oct 20253610 AMAQI
10th Oct 20255311 AMAQI
10th Oct 20254312 PMAQI
10th Oct 2025401 PMAQI
10th Oct 2025282 PMAQI
10th Oct 2025223 PMAQI
10th Oct 2025204 PMAQI
10th Oct 2025225 PMAQI
10th Oct 2025266 PMAQI
10th Oct 2025307 PMAQI
10th Oct 2025298 PMAQI
10th Oct 2025249 PMAQI
10th Oct 20252810 PMAQI
10th Oct 20253611 PMAQI
11th Oct 20253612 AMAQI
11th Oct 2025391 AMAQI
11th Oct 2025392 AMAQI
11th Oct 2025413 AMAQI
11th Oct 2025424 AMAQI
11th Oct 2025385 AMAQI
11th Oct 2025396 AMAQI
12°C2/23°C
11th Oct 2025407 AMAQI
11th Oct 2025418 AMAQI
11th Oct 2025499 AMAQI
11th Oct 20254710 AMAQI
11th Oct 20254011 AMAQI
11th Oct 20253612 PMAQI
11th Oct 2025321 PMAQI
11th Oct 2025182 PMAQI
11th Oct 2025143 PMAQI
11th Oct 2025134 PMAQI
11th Oct 2025105 PMAQI
11th Oct 2025136 PMAQI
11th Oct 2025157 PMAQI
11th Oct 2025188 PMAQI
11th Oct 2025229 PMAQI
11th Oct 20254410 PMAQI
11th Oct 20254911 PMAQI
12th Oct 20255512 AMAQI
12th Oct 2025611 AMAQI
12th Oct 2025602 AMAQI
12th Oct 2025573 AMAQI
12th Oct 2025524 AMAQI
12th Oct 2025485 AMAQI
12th Oct 2025436 AMAQI
14°C8/18°C
12th Oct 2025467 AMAQI
12th Oct 2025418 AMAQI
12th Oct 2025419 AMAQI
12th Oct 20255010 AMAQI
12th Oct 20255511 AMAQI
12th Oct 20255612 PMAQI
12th Oct 2025561 PMAQI
12th Oct 2025542 PMAQI
12th Oct 2025503 PMAQI
12th Oct 2025424 PMAQI
12th Oct 2025265 PMAQI
12th Oct 2025206 PMAQI
12th Oct 2025197 PMAQI
12th Oct 2025198 PMAQI
12th Oct 2025329 PMAQI
12th Oct 20252210 PMAQI
12th Oct 20252011 PMAQI
13th Oct 20251812 AMAQI
13th Oct 2025181 AMAQI
13th Oct 2025342 AMAQI
13th Oct 2025483 AMAQI
13th Oct 2025264 AMAQI
13th Oct 2025135 AMAQI
13th Oct 2025316 AMAQI
13°C6/22°C
13th Oct 2025447 AMAQI
13th Oct 2025418 AMAQI
13th Oct 2025409 AMAQI
13th Oct 20254010 AMAQI
13th Oct 20254411 AMAQI
13th Oct 20255712 PMAQI
13th Oct 2025571 PMAQI
13th Oct 2025402 PMAQI
13th Oct 2025333 PMAQI
13th Oct 2025354 PMAQI
13th Oct 2025335 PMAQI
13th Oct 2025376 PMAQI
13th Oct 2025347 PMAQI
13th Oct 2025218 PMAQI
13th Oct 2025249 PMAQI
13th Oct 20255010 PMAQI
13th Oct 20255411 PMAQI
14th Oct 20255412 AMAQI
14th Oct 2025581 AMAQI
14th Oct 2025602 AMAQI
14th Oct 2025803 AMAQI
14th Oct 2025624 AMAQI
14th Oct 2025545 AMAQI
14th Oct 2025546 AMAQI
16°C10/23°C
14th Oct 2025507 AMAQI
14th Oct 2025488 AMAQI
14th Oct 2025529 AMAQI
14th Oct 20254710 AMAQI
14th Oct 20255211 AMAQI
14th Oct 20255512 PMAQI
14th Oct 2025621 PMAQI
14th Oct 2025662 PMAQI
14th Oct 2025573 PMAQI
14th Oct 2025414 PMAQI
14th Oct 2025375 PMAQI
14th Oct 2025426 PMAQI
14th Oct 2025447 PMAQI
14th Oct 2025458 PMAQI
14th Oct 2025519 PMAQI
14th Oct 20254910 PMAQI
14th Oct 20255011 PMAQI
15th Oct 20254212 AMAQI
15th Oct 2025381 AMAQI
15th Oct 2025392 AMAQI
15th Oct 2025283 AMAQI
15th Oct 2025244 AMAQI
15th Oct 2025225 AMAQI
15th Oct 2025106 AMAQI
14°C7/23°C
15th Oct 2025147 AMAQI
15th Oct 2025158 AMAQI
15th Oct 2025129 AMAQI
15th Oct 20251510 AMAQI
15th Oct 20251811 AMAQI
15th Oct 20252112 PMAQI
15th Oct 2025181 PMAQI
15th Oct 2025262 PMAQI
15th Oct 2025303 PMAQI
15th Oct 2025164 PMAQI
15th Oct 2025165 PMAQI
15th Oct 2025186 PMAQI
15th Oct 2025217 PMAQI
15th Oct 2025168 PMAQI
15th Oct 2025199 PMAQI
15th Oct 20253310 PMAQI
15th Oct 20254011 PMAQI
16th Oct 20254112 AMAQI
16th Oct 2025431 AMAQI
16th Oct 2025302 AMAQI
16th Oct 2025263 AMAQI
16th Oct 2025154 AMAQI
16th Oct 2025155 AMAQI
16th Oct 2025156 AMAQI
13°C11/19°C
16th Oct 2025167 AMAQI
16th Oct 2025178 AMAQI
16th Oct 2025199 AMAQI
16th Oct 20252610 AMAQI
16th Oct 20254911 AMAQI
16th Oct 20254312 PMAQI
16th Oct 2025341 PMAQI
16th Oct 2025262 PMAQI
16th Oct 2025253 PMAQI
16th Oct 2025224 PMAQI
16th Oct 2025265 PMAQI
16th Oct 2025296 PMAQI
16th Oct 2025367 PMAQI
16th Oct 2025308 PMAQI
16th Oct 2025329 PMAQI
16th Oct 20253110 PMAQI
16th Oct 20253511 PMAQI
17th Oct 20252912 AMAQI
17th Oct 2025401 AMAQI
17th Oct 2025372 AMAQI
17th Oct 2025243 AMAQI
17th Oct 2025344 AMAQI
17th Oct 2025505 AMAQI
17th Oct 2025486 AMAQI
11°C4/20°C
17th Oct 2025507 AMAQI
17th Oct 2025438 AMAQI
17th Oct 2025509 AMAQI
17th Oct 20254510 AMAQI
17th Oct 20254711 AMAQI
17th Oct 20254012 PMAQI
17th Oct 2025381 PMAQI
17th Oct 2025372 PMAQI
17th Oct 2025313 PMAQI
17th Oct 2025314 PMAQI
17th Oct 2025325 PMAQI
17th Oct 2025336 PMAQI
17th Oct 2025337 PMAQI
17th Oct 2025308 PMAQI
17th Oct 2025349 PMAQI
17th Oct 20253910 PMAQI
17th Oct 20254311 PMAQI
18th Oct 20254612 AMAQI
18th Oct 2025331 AMAQI
18th Oct 2025352 AMAQI
18th Oct 2025373 AMAQI
18th Oct 2025284 AMAQI
18th Oct 2025255 AMAQI
18th Oct 2025236 AMAQI
13°C5/23°C
18th Oct 2025307 AMAQI
18th Oct 2025398 AMAQI
18th Oct 2025409 AMAQI
18th Oct 20253010 AMAQI
18th Oct 20253811 AMAQI
18th Oct 20255412 PMAQI
18th Oct 2025411 PMAQI
18th Oct 2025522 PMAQI
18th Oct 2025563 PMAQI
18th Oct 2025604 PMAQI
18th Oct 2025605 PMAQI
18th Oct 2025626 PMAQI
18th Oct 2025607 PMAQI
18th Oct 2025578 PMAQI
18th Oct 2025589 PMAQI
18th Oct 20256110 PMAQI
18th Oct 20256211 PMAQI
19th Oct 20255812 AMAQI
19th Oct 2025541 AMAQI
19th Oct 2025502 AMAQI
19th Oct 2025493 AMAQI
19th Oct 2025424 AMAQI
19th Oct 2025585 AMAQI
19th Oct 2025496 AMAQI
20°C12/30°C
19th Oct 2025427 AMAQI
19th Oct 2025458 AMAQI
19th Oct 2025429 AMAQI
19th Oct 20252110 AMAQI
19th Oct 20251011 AMAQI
19th Oct 20252412 PMAQI
19th Oct 2025261 PMAQI
19th Oct 2025272 PMAQI
19th Oct 2025223 PMAQI
19th Oct 2025244 PMAQI
19th Oct 2025245 PMAQI
19th Oct 2025246 PMAQI
19th Oct 2025237 PMAQI
19th Oct 2025218 PMAQI
19th Oct 2025219 PMAQI
19th Oct 20252110 PMAQI
19th Oct 20252211 PMAQI
20th Oct 20252212 AMAQI
20th Oct 2025221 AMAQI
20th Oct 2025232 AMAQI
20th Oct 2025243 AMAQI
20th Oct 2025224 AMAQI
20th Oct 2025225 AMAQI
20th Oct 2025226 AMAQI
15°C9/18°C
20th Oct 2025217 AMAQI
20th Oct 2025158 AMAQI
20th Oct 2025129 AMAQI
20th Oct 20251610 AMAQI
20th Oct 20254311 AMAQI
20th Oct 20252512 PMAQI
20th Oct 2025161 PMAQI
20th Oct 2025232 PMAQI
20th Oct 2025253 PMAQI
20th Oct 2025244 PMAQI
20th Oct 2025265 PMAQI
20th Oct 2025356 PMAQI
20th Oct 2025217 PMAQI
20th Oct 2025248 PMAQI
20th Oct 2025199 PMAQI
20th Oct 20252510 PMAQI
20th Oct 20255511 PMAQI
21st Oct 20255212 AMAQI
21st Oct 2025661 AMAQI
21st Oct 2025402 AMAQI
21st Oct 2025163 AMAQI
21st Oct 2025104 AMAQI
21st Oct 202595 AMAQI
21st Oct 2025126 AMAQI
10°C6/16°C
21st Oct 2025127 AMAQI
21st Oct 2025208 AMAQI
21st Oct 2025259 AMAQI
21st Oct 20252110 AMAQI
21st Oct 20252211 AMAQI
21st Oct 20251812 PMAQI
21st Oct 2025171 PMAQI
21st Oct 2025172 PMAQI
21st Oct 2025173 PMAQI
21st Oct 2025174 PMAQI
21st Oct 2025175 PMAQI
21st Oct 2025186 PMAQI
21st Oct 2025187 PMAQI
21st Oct 2025128 PMAQI
21st Oct 2025119 PMAQI
21st Oct 20251110 PMAQI
21st Oct 20251611 PMAQI
22nd Oct 20251712 AMAQI
22nd Oct 2025171 AMAQI
22nd Oct 2025172 AMAQI
22nd Oct 2025173 AMAQI
22nd Oct 2025124 AMAQI
22nd Oct 2025115 AMAQI
22nd Oct 2025166 AMAQI
11°C8/17°C
22nd Oct 2025197 AMAQI
22nd Oct 2025138 AMAQI
22nd Oct 2025169 AMAQI
22nd Oct 20251710 AMAQI
22nd Oct 20251711 AMAQI
22nd Oct 20251212 PMAQI
22nd Oct 2025111 PMAQI
22nd Oct 2025152 PMAQI
22nd Oct 2025133 PMAQI
22nd Oct 2025114 PMAQI
22nd Oct 2025115 PMAQI
22nd Oct 2025166 PMAQI
22nd Oct 2025177 PMAQI
22nd Oct 2025298 PMAQI
22nd Oct 2025139 PMAQI
22nd Oct 20251110 PMAQI
22nd Oct 20251111 PMAQI
23rd Oct 20251612 AMAQI
23rd Oct 2025181 AMAQI
23rd Oct 2025102 AMAQI
23rd Oct 202593 AMAQI
23rd Oct 2025114 AMAQI
23rd Oct 2025135 AMAQI
23rd Oct 2025106 AMAQI
8°C6/11°C
23rd Oct 2025107 AMAQI
23rd Oct 2025118 AMAQI
23rd Oct 202599 AMAQI
23rd Oct 20251510 AMAQI
23rd Oct 20251211 AMAQI
23rd Oct 20251112 PMAQI
23rd Oct 2025111 PMAQI
23rd Oct 2025112 PMAQI
23rd Oct 2025213 PMAQI
23rd Oct 2025204 PMAQI
23rd Oct 2025215 PMAQI
23rd Oct 2025206 PMAQI
23rd Oct 2025177 PMAQI
23rd Oct 2025128 PMAQI
23rd Oct 2025129 PMAQI
23rd Oct 20251010 PMAQI
23rd Oct 20251111 PMAQI
24th Oct 20251112 AMAQI
24th Oct 2025111 AMAQI
24th Oct 2025112 AMAQI
24th Oct 2025113 AMAQI
24th Oct 2025114 AMAQI
24th Oct 2025115 AMAQI
24th Oct 2025116 AMAQI
8°C5/11°C
24th Oct 2025117 AMAQI
24th Oct 2025118 AMAQI
24th Oct 2025129 AMAQI
24th Oct 20251610 AMAQI
24th Oct 20252111 AMAQI
24th Oct 20252212 PMAQI
24th Oct 2025131 PMAQI
24th Oct 2025112 PMAQI
24th Oct 2025373 PMAQI
24th Oct 2025424 PMAQI
24th Oct 2025155 PMAQI
24th Oct 2025116 PMAQI
24th Oct 2025117 PMAQI
24th Oct 2025118 PMAQI
24th Oct 2025169 PMAQI
24th Oct 20251710 PMAQI
24th Oct 20251811 PMAQI
25th Oct 20251712 AMAQI
25th Oct 2025211 AMAQI
25th Oct 2025222 AMAQI
25th Oct 2025223 AMAQI
25th Oct 2025274 AMAQI
25th Oct 2025285 AMAQI
25th Oct 2025386 AMAQI
6°C3/11°C
25th Oct 2025347 AMAQI
25th Oct 2025298 AMAQI
25th Oct 2025389 AMAQI
25th Oct 20253010 AMAQI
25th Oct 20252811 AMAQI
25th Oct 20253212 PMAQI
25th Oct 2025281 PMAQI
25th Oct 2025192 PMAQI
25th Oct 2025173 PMAQI
25th Oct 2025174 PMAQI
25th Oct 2025175 PMAQI
25th Oct 2025176 PMAQI
25th Oct 2025177 PMAQI
25th Oct 2025178 PMAQI
25th Oct 2025179 PMAQI
25th Oct 20252710 PMAQI
25th Oct 20252811 PMAQI
26th Oct 20253612 AMAQI
26th Oct 2025501 AMAQI
26th Oct 2025592 AMAQI
26th Oct 2025573 AMAQI
26th Oct 2025554 AMAQI
26th Oct 2025515 AMAQI
26th Oct 2025516 AMAQI
7°C1/14°C
26th Oct 2025457 AMAQI
26th Oct 2025408 AMAQI
26th Oct 2025249 AMAQI
26th Oct 20252210 AMAQI
26th Oct 20252711 AMAQI
26th Oct 20252812 PMAQI
26th Oct 2025231 PMAQI
26th Oct 2025182 PMAQI
26th Oct 2025173 PMAQI
26th Oct 2025124 PMAQI
26th Oct 2025115 PMAQI
26th Oct 2025116 PMAQI
26th Oct 2025117 PMAQI
26th Oct 2025118 PMAQI
26th Oct 2025169 PMAQI
26th Oct 20252210 PMAQI
26th Oct 20252711 PMAQI
27th Oct 20252812 AMAQI
27th Oct 2025281 AMAQI
27th Oct 2025232 AMAQI
27th Oct 2025223 AMAQI
27th Oct 2025184 AMAQI
27th Oct 2025175 AMAQI
27th Oct 2025216 AMAQI
6°C0/14°C
27th Oct 2025227 AMAQI
27th Oct 2025228 AMAQI
27th Oct 2025279 AMAQI
27th Oct 20252310 AMAQI
27th Oct 20252611 AMAQI
27th Oct 20252512 PMAQI
27th Oct 2025231 PMAQI
27th Oct 2025222 PMAQI
27th Oct 2025223 PMAQI
27th Oct 2025224 PMAQI
27th Oct 2025225 PMAQI
27th Oct 2025196 PMAQI
27th Oct 2025177 PMAQI
27th Oct 2025178 PMAQI
27th Oct 2025179 PMAQI
27th Oct 20251710 PMAQI
27th Oct 20251711 PMAQI
28th Oct 20251712 AMAQI
28th Oct 2025171 AMAQI
28th Oct 2025172 AMAQI
28th Oct 2025173 AMAQI
28th Oct 2025214 AMAQI
28th Oct 2025225 AMAQI
28th Oct 2025226 AMAQI
8°C1/16°C
28th Oct 2025227 AMAQI
28th Oct 2025278 AMAQI
28th Oct 2025289 AMAQI
28th Oct 20252810 AMAQI
28th Oct 20252811 AMAQI
28th Oct 20252812 PMAQI
28th Oct 2025281 PMAQI
28th Oct 2025232 PMAQI
28th Oct 2025183 PMAQI
28th Oct 2025174 PMAQI
28th Oct 2025175 PMAQI
28th Oct 2025176 PMAQI
28th Oct 2025187 PMAQI
28th Oct 2025178 PMAQI
28th Oct 2025179 PMAQI
28th Oct 20251710 PMAQI
28th Oct 20251711 PMAQI
29th Oct 20251712 AMAQI
29th Oct 2025211 AMAQI
29th Oct 2025222 AMAQI
29th Oct 2025223 AMAQI
29th Oct 2025224 AMAQI
29th Oct 2025225 AMAQI
29th Oct 2025226 AMAQI
10°C4/17°C
7 AM
12 PM
6 PM
12 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 12 PM
37AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
5 PM
26AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 12 PM (Avg. 37), while the lowest AQI was between 5 PM to 5 PM (Avg. 26).
Night time
Avg. Highest Time
12 AM - 2 AM
35AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
8 PM
26AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 2 AM (Avg. 35), while the lowest AQI was between 8 PM to 8 PM (Avg. 26).
2025 Days Vs Air Quality
Ypsilanti, Ypsilanti, Michigan, United States
2025
84%
253
15%
45
1%
3
Total number of days with different AQI categories in last 302 days in 2025 (63 days remaining)
Good
253 DaysModerate
45 DaysPoor
3 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% of 302 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
Ypsilanti, Ypsilanti, 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
19AQI
19AQI
2nd January 2025
21AQI
21AQI
3rd January 2025
21AQI
21AQI
4th January 2025
19AQI
19AQI
5th January 2025
20AQI
20AQI
6th January 2025
19AQI
19AQI
7th January 2025
19AQI
19AQI
8th January 2025
19AQI
19AQI
9th January 2025
25AQI
25AQI
10th January 2025
65AQI
65AQI
11th January 2025
49AQI
49AQI
12th January 2025
53AQI
53AQI
13th January 2025
26AQI
26AQI
14th January 2025
24AQI
24AQI
15th January 2025
26AQI
26AQI
16th January 2025
48AQI
48AQI
17th January 2025
36AQI
36AQI
18th January 2025
27AQI
27AQI
19th January 2025
20AQI
20AQI
20th January 2025
20AQI
20AQI
21st January 2025
22AQI
22AQI
22nd January 2025
25AQI
25AQI
23rd January 2025
31AQI
31AQI
24th January 2025
30AQI
30AQI
25th January 2025
39AQI
39AQI
26th January 2025
22AQI
22AQI
27th January 2025
24AQI
24AQI
28th January 2025
22AQI
22AQI
29th January 2025
21AQI
21AQI
30th January 2025
27AQI
27AQI
31st January 2025
39AQI
39AQI
1st February 2025
21AQI
21AQI
2nd February 2025
37AQI
37AQI
3rd February 2025
56AQI
56AQI
4th February 2025
21AQI
21AQI
5th February 2025
21AQI
21AQI
6th February 2025
28AQI
28AQI
7th February 2025
23AQI
23AQI
8th February 2025
38AQI
38AQI
9th February 2025
32AQI
32AQI
10th February 2025
34AQI
34AQI
11th February 2025
44AQI
44AQI
12th February 2025
43AQI
43AQI
13th February 2025
26AQI
26AQI
14th February 2025
41AQI
41AQI
15th February 2025
50AQI
50AQI
16th February 2025
32AQI
32AQI
17th February 2025
22AQI
22AQI
18th February 2025
23AQI
23AQI
19th February 2025
22AQI
22AQI
20th February 2025
22AQI
22AQI
21st February 2025
26AQI
26AQI
22nd February 2025
50AQI
50AQI
23rd February 2025
55AQI
55AQI
24th February 2025
47AQI
47AQI
25th February 2025
35AQI
35AQI
26th February 2025
40AQI
40AQI
27th February 2025
44AQI
44AQI
28th February 2025
26AQI
26AQI
1st March 2025
28AQI
28AQI
2nd March 2025
27AQI
27AQI
3rd March 2025
35AQI
35AQI
4th March 2025
35AQI
35AQI
5th March 2025
28AQI
28AQI
6th March 2025
30AQI
30AQI
7th March 2025
27AQI
27AQI
8th March 2025
32AQI
32AQI
9th March 2025
30AQI
30AQI
10th March 2025
30AQI
30AQI
11th March 2025
31AQI
31AQI
12th March 2025
28AQI
28AQI
13th March 2025
28AQI
28AQI
14th March 2025
41AQI
41AQI
15th March 2025
33AQI
33AQI
16th March 2025
18AQI
18AQI
17th March 2025
17AQI
17AQI
18th March 2025
22AQI
22AQI
19th March 2025
29AQI
29AQI
20th March 2025
19AQI
19AQI
21st March 2025
19AQI
19AQI
22nd March 2025
17AQI
17AQI
23rd March 2025
21AQI
21AQI
24th March 2025
20AQI
20AQI
25th March 2025
19AQI
19AQI
26th March 2025
21AQI
21AQI
27th March 2025
35AQI
35AQI
28th March 2025
48AQI
48AQI
29th March 2025
40AQI
40AQI
30th March 2025
32AQI
32AQI
31st March 2025
18AQI
18AQI
1st April 2025
18AQI
18AQI
2nd April 2025
25AQI
25AQI
3rd April 2025
19AQI
19AQI
4th April 2025
20AQI
20AQI
5th April 2025
19AQI
19AQI
6th April 2025
19AQI
19AQI
7th April 2025
21AQI
21AQI
8th April 2025
16AQI
16AQI
9th April 2025
28AQI
28AQI
10th April 2025
34AQI
34AQI
11th April 2025
36AQI
36AQI
12th April 2025
26AQI
26AQI
13th April 2025
33AQI
33AQI
14th April 2025
25AQI
25AQI
15th April 2025
16AQI
16AQI
16th April 2025
18AQI
18AQI
17th April 2025
29AQI
29AQI
18th April 2025
44AQI
44AQI
19th April 2025
39AQI
39AQI
20th April 2025
20AQI
20AQI
21st April 2025
19AQI
19AQI
22nd April 2025
16AQI
16AQI
23rd April 2025
34AQI
34AQI
24th April 2025
44AQI
44AQI
25th April 2025
36AQI
36AQI
26th April 2025
23AQI
23AQI
27th April 2025
26AQI
26AQI
28th April 2025
22AQI
22AQI
29th April 2025
31AQI
31AQI
30th April 2025
18AQI
18AQI
1st May 2025
24AQI
24AQI
2nd May 2025
28AQI
28AQI
3rd May 2025
16AQI
16AQI
4th May 2025
17AQI
17AQI
5th May 2025
27AQI
27AQI
6th May 2025
23AQI
23AQI
7th May 2025
23AQI
23AQI
8th May 2025
18AQI
18AQI
9th May 2025
21AQI
21AQI
10th May 2025
29AQI
29AQI
11th May 2025
19AQI
19AQI
12th May 2025
28AQI
28AQI
13th May 2025
23AQI
23AQI
14th May 2025
28AQI
28AQI
15th May 2025
29AQI
29AQI
16th May 2025
30AQI
30AQI
17th May 2025
20AQI
20AQI
18th May 2025
17AQI
17AQI
19th May 2025
17AQI
17AQI
20th May 2025
16AQI
16AQI
21st May 2025
20AQI
20AQI
22nd May 2025
14AQI
14AQI
23rd May 2025
12AQI
12AQI
24th May 2025
13AQI
13AQI
25th May 2025
22AQI
22AQI
26th May 2025
27AQI
27AQI
27th May 2025
25AQI
25AQI
28th May 2025
20AQI
20AQI
29th May 2025
28AQI
28AQI
30th May 2025
29AQI
29AQI
31st May 2025
30AQI
30AQI
1st June 2025
21AQI
21AQI
2nd June 2025
31AQI
31AQI
3rd June 2025
56AQI
56AQI
4th June 2025
64AQI
64AQI
5th June 2025
75AQI
75AQI
6th June 2025
87AQI
87AQI
7th June 2025
69AQI
69AQI
8th June 2025
89AQI
89AQI
9th June 2025
73AQI
73AQI
10th June 2025
51AQI
51AQI
11th June 2025
67AQI
67AQI
12th June 2025
75AQI
75AQI
13th June 2025
53AQI
53AQI
14th June 2025
44AQI
44AQI
15th June 2025
46AQI
46AQI
16th June 2025
44AQI
44AQI
17th June 2025
33AQI
33AQI
18th June 2025
32AQI
32AQI
19th June 2025
20AQI
20AQI
20th June 2025
34AQI
34AQI
21st June 2025
38AQI
38AQI
22nd June 2025
40AQI
40AQI
23rd June 2025
50AQI
50AQI
24th June 2025
52AQI
52AQI
25th June 2025
39AQI
39AQI
26th June 2025
44AQI
44AQI
27th June 2025
31AQI
31AQI
28th June 2025
23AQI
23AQI
29th June 2025
32AQI
32AQI
30th June 2025
28AQI
28AQI
1st July 2025
28AQI
28AQI
2nd July 2025
37AQI
37AQI
3rd July 2025
46AQI
46AQI
4th July 2025
54AQI
54AQI
5th July 2025
71AQI
71AQI
6th July 2025
56AQI
56AQI
7th July 2025
33AQI
33AQI
8th July 2025
55AQI
55AQI
9th July 2025
56AQI
56AQI
10th July 2025
47AQI
47AQI
11th July 2025
48AQI
48AQI
12th July 2025
43AQI
43AQI
13th July 2025
40AQI
40AQI
14th July 2025
68AQI
68AQI
15th July 2025
88AQI
88AQI
16th July 2025
77AQI
77AQI
17th July 2025
32AQI
32AQI
18th July 2025
25AQI
25AQI
19th July 2025
25AQI
25AQI
20th July 2025
24AQI
24AQI
21st July 2025
51AQI
51AQI
22nd July 2025
29AQI
29AQI
23rd July 2025
31AQI
31AQI
24th July 2025
53AQI
53AQI
25th July 2025
26AQI
26AQI
26th July 2025
50AQI
50AQI
27th July 2025
27AQI
27AQI
28th July 2025
32AQI
32AQI
29th July 2025
30AQI
30AQI
30th July 2025
39AQI
39AQI
31st July 2025
125AQI
125AQI
1st August 2025
75AQI
75AQI
2nd August 2025
54AQI
54AQI
3rd August 2025
77AQI
77AQI
4th August 2025
112AQI
112AQI
5th August 2025
104AQI
104AQI
6th August 2025
83AQI
83AQI
7th August 2025
75AQI
75AQI
8th August 2025
58AQI
58AQI
9th August 2025
51AQI
51AQI
10th August 2025
53AQI
53AQI
11th August 2025
52AQI
52AQI
12th August 2025
49AQI
49AQI
13th August 2025
40AQI
40AQI
14th August 2025
65AQI
65AQI
15th August 2025
74AQI
74AQI
16th August 2025
63AQI
63AQI
17th August 2025
38AQI
38AQI
18th August 2025
18AQI
18AQI
19th August 2025
22AQI
22AQI
20th August 2025
17AQI
17AQI
21st August 2025
19AQI
19AQI
22nd August 2025
27AQI
27AQI
23rd August 2025
32AQI
32AQI
24th August 2025
23AQI
23AQI
25th August 2025
17AQI
17AQI
26th August 2025
22AQI
22AQI
27th August 2025
25AQI
25AQI
28th August 2025
31AQI
31AQI
29th August 2025
19AQI
19AQI
30th August 2025
26AQI
26AQI
31st August 2025
36AQI
36AQI
1st September 2025
39AQI
39AQI
2nd September 2025
35AQI
35AQI
3rd September 2025
38AQI
38AQI
4th September 2025
31AQI
31AQI
5th September 2025
39AQI
39AQI
6th September 2025
23AQI
23AQI
7th September 2025
24AQI
24AQI
8th September 2025
25AQI
25AQI
9th September 2025
31AQI
31AQI
10th September 2025
39AQI
39AQI
11th September 2025
50AQI
50AQI
12th September 2025
49AQI
49AQI
13th September 2025
57AQI
57AQI
14th September 2025
60AQI
60AQI
15th September 2025
53AQI
53AQI
16th September 2025
45AQI
45AQI
17th September 2025
50AQI
50AQI
18th September 2025
56AQI
56AQI
19th September 2025
48AQI
48AQI
20th September 2025
22AQI
22AQI
21st September 2025
24AQI
24AQI
22nd September 2025
37AQI
37AQI
23rd September 2025
28AQI
28AQI
24th September 2025
27AQI
27AQI
25th September 2025
36AQI
36AQI
26th September 2025
26AQI
26AQI
27th September 2025
34AQI
34AQI
28th September 2025
38AQI
38AQI
29th September 2025
32AQI
32AQI
30th September 2025
31AQI
31AQI
1st October 2025
26AQI
26AQI
2nd October 2025
29AQI
29AQI
3rd October 2025
49AQI
49AQI
4th October 2025
56AQI
56AQI
5th October 2025
59AQI
59AQI
6th October 2025
43AQI
43AQI
7th October 2025
17AQI
17AQI
8th October 2025
17AQI
17AQI
9th October 2025
22AQI
22AQI
10th October 2025
33AQI
33AQI
11th October 2025
32AQI
32AQI
12th October 2025
42AQI
42AQI
13th October 2025
35AQI
35AQI
14th October 2025
53AQI
53AQI
15th October 2025
24AQI
24AQI
16th October 2025
29AQI
29AQI
17th October 2025
38AQI
38AQI
18th October 2025
45AQI
45AQI
19th October 2025
34AQI
34AQI
20th October 2025
25AQI
25AQI
21st October 2025
21AQI
21AQI
22nd October 2025
15AQI
15AQI
23rd October 2025
13AQI
13AQI
24th October 2025
14AQI
14AQI
25th October 2025
24AQI
24AQI
26th October 2025
31AQI
31AQI
27th October 2025
21AQI
21AQI
28th October 2025
21AQI
21AQI
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
28AQI
34AQI
28AQI
26AQI
22AQI
48AQI
47AQI
47AQI
38AQI
31AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202535AQI
29
2
26
2
31
30
31
18
12
20
10
1
17
12
2
26
4
25
3
253
45
3
Highest AQI recorded in
June48AQI
Lowest AQI recorded in
May22AQI
202432AQI
26
3
21
5
8
1
12
29
31
30
1
30
28
3
29
1
29
2
273
16
Highest AQI recorded in
February36AQI
Lowest AQI recorded in
May27AQI
202342AQI
21
10
25
3
25
6
24
6
21
10
7
12
4
2
1
22
8
1
19
12
29
1
31
25
4
25
6
274
78
5
2
1
Highest AQI recorded in
June85AQI
Lowest AQI recorded in
October28AQI
202238AQI
2
9
3
26
4
16
1
28
3
25
5
20
1
3
28
1
26
5
23
7
21
10
225
42
Highest AQI recorded in
January75AQI
Lowest AQI recorded in
August26AQI
202140AQI
22
8
11
5
27
4
24
4
24
7
24
6
20
11
23
8
26
2
31
18
6
250
61
Highest AQI recorded in
August46AQI
Lowest AQI recorded in
October32AQI
202039AQI
11
2
19
1
18
27
3
24
5
1
24
5
27
3
29
1
25
5
21
10
225
35
1
Highest AQI recorded in
July43AQI
Lowest AQI recorded in
October31AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
42AQILeast Polluted Year Recorded
2024(Avg.)
32AQIYpsilanti's annual 2025 AQI (35) shows an average percentage change of -7.8% (improved AQI) compared to previous years: 2020 (39), 2021 (40), 2022 (38), 2023 (42), 2024 (32).
