Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Windsor Downtown, Windsor, Ontario, Canada 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

Windsor Downtown, Windsor, Ontario, Canada

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
4th Aug 2025
125AQI
Lowest AQI recorded on
14th Aug 2023
18AQI

Same Day Analysis (3rd August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 36 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2026

Windsor Downtown, Windsor, Ontario, Canada

AQI
Day
Night
.

6 AM2nd Aug 2026

9 PM

5 AM3rd Aug 2026

Day time
Avg. Highest Time
2PM2nd Aug

47AQI

Avg. Lowest Time
6PM2nd Aug

21AQI

Night time
Avg. Highest Time
10PM2nd Aug

30AQI

Avg. Lowest Time
4AM3rd Aug

21AQI

In the last 24 hours,

Windsor Downtown's AQI reached its highest point of 47 at 2 PM during the Day, while the lowest point, 21, was recorded at 4 AM during the Night between 2nd Aug and 3rd Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Windsor Downtown, Windsor, Ontario, Canada

JulAug
05th - 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
5th Jul 2026586 AMAQI
5th Jul 2026507 AMAQI
5th Jul 2026488 AMAQI
5th Jul 2026469 AMAQI
5th Jul 20265110 AMAQI
5th Jul 20264711 AMAQI
5th Jul 20263412 PMAQI
5th Jul 2026301 PMAQI
5th Jul 2026282 PMAQI
5th Jul 2026243 PMAQI
5th Jul 2026274 PMAQI
5th Jul 2026185 PMAQI
5th Jul 2026276 PMAQI
5th Jul 2026267 PMAQI
5th Jul 2026228 PMAQI
5th Jul 2026309 PMAQI
5th Jul 20261410 PMAQI
5th Jul 20262311 PMAQI
6th Jul 20262912 AMAQI
6th Jul 2026281 AMAQI
6th Jul 2026272 AMAQI
6th Jul 2026293 AMAQI
6th Jul 2026274 AMAQI
6th Jul 2026315 AMAQI

23°C22/27°C

6th Jul 2026296 AMAQI
6th Jul 2026307 AMAQI
6th Jul 2026298 AMAQI
6th Jul 2026329 AMAQI
6th Jul 20263210 AMAQI
6th Jul 20263211 AMAQI
6th Jul 20263212 PMAQI
6th Jul 2026281 PMAQI
6th Jul 2026302 PMAQI
6th Jul 2026293 PMAQI
6th Jul 2026284 PMAQI
6th Jul 2026285 PMAQI
6th Jul 2026306 PMAQI
6th Jul 2026307 PMAQI
6th Jul 2026278 PMAQI
6th Jul 2026269 PMAQI
6th Jul 20262610 PMAQI
6th Jul 20262411 PMAQI
7th Jul 20262512 AMAQI
7th Jul 2026291 AMAQI
7th Jul 2026302 AMAQI
7th Jul 2026223 AMAQI
7th Jul 2026344 AMAQI
7th Jul 2026165 AMAQI

22°C19/28°C

7th Jul 2026226 AMAQI
7th Jul 2026287 AMAQI
7th Jul 2026318 AMAQI
7th Jul 2026289 AMAQI
7th Jul 20262810 AMAQI
7th Jul 20263211 AMAQI
7th Jul 20263412 PMAQI
7th Jul 2026321 PMAQI
7th Jul 2026322 PMAQI
7th Jul 2026313 PMAQI
7th Jul 2026314 PMAQI
7th Jul 2026305 PMAQI
7th Jul 2026306 PMAQI
7th Jul 2026327 PMAQI
7th Jul 2026278 PMAQI
7th Jul 2026279 PMAQI
7th Jul 20262410 PMAQI
7th Jul 20262811 PMAQI
8th Jul 20262012 AMAQI
8th Jul 2026261 AMAQI
8th Jul 2026302 AMAQI
8th Jul 2026303 AMAQI
8th Jul 2026264 AMAQI
8th Jul 2026265 AMAQI

24°C16/33°C

8th Jul 2026206 AMAQI
8th Jul 2026217 AMAQI
8th Jul 2026248 AMAQI
8th Jul 2026249 AMAQI
8th Jul 20262610 AMAQI
8th Jul 20263111 AMAQI
8th Jul 20263112 PMAQI
8th Jul 2026301 PMAQI
8th Jul 2026302 PMAQI
8th Jul 2026293 PMAQI
8th Jul 2026304 PMAQI
8th Jul 2026285 PMAQI
8th Jul 2026326 PMAQI
8th Jul 2026287 PMAQI
8th Jul 2026268 PMAQI
8th Jul 2026249 PMAQI
8th Jul 20262410 PMAQI
8th Jul 20262411 PMAQI
9th Jul 20262312 AMAQI
9th Jul 2026241 AMAQI
9th Jul 2026282 AMAQI
9th Jul 2026283 AMAQI
9th Jul 2026284 AMAQI
9th Jul 2026285 AMAQI

26°C21/35°C

9th Jul 2026266 AMAQI
9th Jul 2026267 AMAQI
9th Jul 2026268 AMAQI
9th Jul 2026269 AMAQI
9th Jul 20263110 AMAQI
9th Jul 20263111 AMAQI
9th Jul 20263312 PMAQI
9th Jul 2026301 PMAQI
9th Jul 2026322 PMAQI
9th Jul 2026303 PMAQI
9th Jul 2026314 PMAQI
9th Jul 2026325 PMAQI
9th Jul 2026296 PMAQI
9th Jul 2026327 PMAQI
9th Jul 2026308 PMAQI
9th Jul 2026309 PMAQI
9th Jul 20263010 PMAQI
9th Jul 20263011 PMAQI
10th Jul 20262512 AMAQI
10th Jul 2026261 AMAQI
10th Jul 2026252 AMAQI
10th Jul 2026283 AMAQI
10th Jul 2026344 AMAQI
10th Jul 2026345 AMAQI

26°C20/32°C

10th Jul 2026346 AMAQI
10th Jul 2026327 AMAQI
10th Jul 2026328 AMAQI
10th Jul 2026339 AMAQI
10th Jul 20263510 AMAQI
10th Jul 20263811 AMAQI
10th Jul 20263812 PMAQI
10th Jul 2026381 PMAQI
10th Jul 2026342 PMAQI
10th Jul 2026313 PMAQI
10th Jul 2026344 PMAQI
10th Jul 2026335 PMAQI
10th Jul 2026366 PMAQI
10th Jul 2026367 PMAQI
10th Jul 2026388 PMAQI
10th Jul 2026349 PMAQI
10th Jul 20262410 PMAQI
10th Jul 20261211 PMAQI
11th Jul 20261912 AMAQI
11th Jul 2026191 AMAQI
11th Jul 2026242 AMAQI
11th Jul 2026283 AMAQI
11th Jul 2026324 AMAQI
11th Jul 2026305 AMAQI

25°C21/32°C

11th Jul 2026326 AMAQI
11th Jul 2026297 AMAQI
11th Jul 2026328 AMAQI
11th Jul 2026249 AMAQI
11th Jul 20263210 AMAQI
11th Jul 20263311 AMAQI
11th Jul 20263312 PMAQI
11th Jul 2026341 PMAQI
11th Jul 2026342 PMAQI
11th Jul 2026303 PMAQI
11th Jul 2026324 PMAQI
11th Jul 2026325 PMAQI
11th Jul 2026316 PMAQI
11th Jul 2026327 PMAQI
11th Jul 2026328 PMAQI
11th Jul 2026349 PMAQI
11th Jul 20262810 PMAQI
11th Jul 20262811 PMAQI
12th Jul 20262612 AMAQI
12th Jul 2026251 AMAQI
12th Jul 2026232 AMAQI
12th Jul 2026283 AMAQI
12th Jul 2026314 AMAQI
12th Jul 2026325 AMAQI

25°C19/31°C

12th Jul 2026326 AMAQI
12th Jul 2026307 AMAQI
12th Jul 2026328 AMAQI
12th Jul 2026329 AMAQI
12th Jul 20263210 AMAQI
12th Jul 20263211 AMAQI
12th Jul 20263012 PMAQI
12th Jul 2026331 PMAQI
12th Jul 2026312 PMAQI
12th Jul 2026283 PMAQI
12th Jul 2026284 PMAQI
12th Jul 2026305 PMAQI
12th Jul 2026306 PMAQI
12th Jul 2026307 PMAQI
12th Jul 2026318 PMAQI
12th Jul 2026309 PMAQI
12th Jul 20262810 PMAQI
12th Jul 20262811 PMAQI
13th Jul 20262212 AMAQI
13th Jul 2026241 AMAQI
13th Jul 2026222 AMAQI
13th Jul 2026253 AMAQI
13th Jul 2026344 AMAQI
13th Jul 2026345 AMAQI

25°C17/32°C

13th Jul 2026526 AMAQI
13th Jul 2026687 AMAQI
13th Jul 2026648 AMAQI
13th Jul 2026629 AMAQI
13th Jul 20265610 AMAQI
13th Jul 20265711 AMAQI
13th Jul 20265912 PMAQI
13th Jul 2026531 PMAQI
13th Jul 2026512 PMAQI
13th Jul 2026423 PMAQI
13th Jul 2026344 PMAQI
13th Jul 2026325 PMAQI
13th Jul 2026306 PMAQI
13th Jul 2026287 PMAQI
13th Jul 2026338 PMAQI
13th Jul 2026349 PMAQI
13th Jul 20262810 PMAQI
13th Jul 20262611 PMAQI
14th Jul 20262212 AMAQI
14th Jul 2026221 AMAQI
14th Jul 2026202 AMAQI
14th Jul 2026263 AMAQI
14th Jul 2026324 AMAQI
14th Jul 2026305 AMAQI

26°C16/36°C

14th Jul 2026316 AMAQI
14th Jul 2026327 AMAQI
14th Jul 2026338 AMAQI
14th Jul 2026329 AMAQI
14th Jul 20263610 AMAQI
14th Jul 20263411 AMAQI
14th Jul 20263612 PMAQI
14th Jul 2026381 PMAQI
14th Jul 2026322 PMAQI
14th Jul 2026303 PMAQI
14th Jul 2026324 PMAQI
14th Jul 2026285 PMAQI
14th Jul 2026326 PMAQI
14th Jul 2026337 PMAQI
14th Jul 2026328 PMAQI
14th Jul 2026389 PMAQI
14th Jul 20263010 PMAQI
14th Jul 20262611 PMAQI
15th Jul 20262512 AMAQI
15th Jul 2026271 AMAQI
15th Jul 2026272 AMAQI
15th Jul 2026253 AMAQI
15th Jul 2026254 AMAQI
15th Jul 2026195 AMAQI

29°C20/39°C

15th Jul 2026186 AMAQI
15th Jul 2026197 AMAQI
15th Jul 2026208 AMAQI
15th Jul 2026209 AMAQI
15th Jul 20262310 AMAQI
15th Jul 20262711 AMAQI
15th Jul 20264212 PMAQI
15th Jul 2026391 PMAQI
15th Jul 2026342 PMAQI
15th Jul 2026303 PMAQI
15th Jul 20261104 PMAQI
15th Jul 2026265 PMAQI
15th Jul 2026286 PMAQI
15th Jul 2026267 PMAQI
15th Jul 2026268 PMAQI
15th Jul 2026359 PMAQI
15th Jul 20269510 PMAQI
15th Jul 202612811 PMAQI
16th Jul 20267412 AMAQI
16th Jul 2026791 AMAQI
16th Jul 2026762 AMAQI
16th Jul 2026753 AMAQI
16th Jul 2026814 AMAQI
16th Jul 2026855 AMAQI

30°C22/40°C

16th Jul 2026866 AMAQI
16th Jul 2026787 AMAQI
16th Jul 2026838 AMAQI
16th Jul 2026859 AMAQI
16th Jul 20268610 AMAQI
16th Jul 20269211 AMAQI
16th Jul 20268912 PMAQI
16th Jul 2026841 PMAQI
16th Jul 2026922 PMAQI
16th Jul 2026923 PMAQI
16th Jul 2026884 PMAQI
16th Jul 2026865 PMAQI
16th Jul 2026846 PMAQI
16th Jul 2026857 PMAQI
16th Jul 2026828 PMAQI
16th Jul 2026889 PMAQI
16th Jul 20268010 PMAQI
16th Jul 20268311 PMAQI
17th Jul 20267812 AMAQI
17th Jul 2026781 AMAQI
17th Jul 2026742 AMAQI
17th Jul 20262923 AMAQI
17th Jul 20262684 AMAQI
17th Jul 20263045 AMAQI

27°C19/35°C

17th Jul 20263046 AMAQI
17th Jul 20262787 AMAQI
17th Jul 20262848 AMAQI
17th Jul 20262799 AMAQI
17th Jul 202626610 AMAQI
17th Jul 202624611 AMAQI
17th Jul 202626712 PMAQI
17th Jul 20262411 PMAQI
17th Jul 20262222 PMAQI
17th Jul 20262063 PMAQI
17th Jul 20261984 PMAQI
17th Jul 20262035 PMAQI
17th Jul 20262146 PMAQI
17th Jul 20262177 PMAQI
17th Jul 20262208 PMAQI
17th Jul 20262179 PMAQI
17th Jul 202620010 PMAQI
17th Jul 202620211 PMAQI
18th Jul 202620012 AMAQI
18th Jul 20261961 AMAQI
18th Jul 20261842 AMAQI
18th Jul 20261663 AMAQI
18th Jul 20261504 AMAQI
18th Jul 20261145 AMAQI

25°C17/34°C

18th Jul 2026796 AMAQI
18th Jul 2026707 AMAQI
18th Jul 2026708 AMAQI
18th Jul 2026689 AMAQI
18th Jul 20266010 AMAQI
18th Jul 20266711 AMAQI
18th Jul 20266212 PMAQI
18th Jul 2026641 PMAQI
18th Jul 2026572 PMAQI
18th Jul 2026603 PMAQI
18th Jul 2026564 PMAQI
18th Jul 2026575 PMAQI
18th Jul 2026556 PMAQI
18th Jul 2026647 PMAQI
18th Jul 2026968 PMAQI
18th Jul 20261289 PMAQI
18th Jul 202615410 PMAQI
18th Jul 202615011 PMAQI
19th Jul 202612612 AMAQI
19th Jul 20261061 AMAQI
19th Jul 20261082 AMAQI
19th Jul 20261083 AMAQI
19th Jul 20261004 AMAQI
19th Jul 2026975 AMAQI

27°C22/36°C

19th Jul 2026926 AMAQI
19th Jul 2026977 AMAQI
19th Jul 20261028 AMAQI
19th Jul 20261099 AMAQI
19th Jul 202611210 AMAQI
19th Jul 202611911 AMAQI
19th Jul 202614412 PMAQI
19th Jul 20261421 PMAQI
19th Jul 20261342 PMAQI
19th Jul 20261383 PMAQI
19th Jul 20261394 PMAQI
19th Jul 20261265 PMAQI
19th Jul 20261326 PMAQI
19th Jul 20261487 PMAQI
19th Jul 20261308 PMAQI
19th Jul 20261329 PMAQI
19th Jul 202612410 PMAQI
19th Jul 202611411 PMAQI
20th Jul 20269212 AMAQI
20th Jul 2026811 AMAQI
20th Jul 2026692 AMAQI
20th Jul 2026673 AMAQI
20th Jul 2026684 AMAQI
20th Jul 2026715 AMAQI

22°C16/30°C

20th Jul 2026726 AMAQI
20th Jul 2026707 AMAQI
20th Jul 2026808 AMAQI
20th Jul 2026789 AMAQI
20th Jul 20269510 AMAQI
20th Jul 202610211 AMAQI
20th Jul 20269812 PMAQI
20th Jul 2026701 PMAQI
20th Jul 2026652 PMAQI
20th Jul 2026803 PMAQI
20th Jul 2026854 PMAQI
20th Jul 20261085 PMAQI
20th Jul 20261096 PMAQI
20th Jul 20261027 PMAQI
20th Jul 20261048 PMAQI
20th Jul 2026929 PMAQI
20th Jul 20269410 PMAQI
21st Jul 20269012 AMAQI
21st Jul 2026941 AMAQI
21st Jul 2026902 AMAQI
21st Jul 2026953 AMAQI
21st Jul 2026984 AMAQI
21st Jul 2026975 AMAQI

22°C13/30°C

21st Jul 20261026 AMAQI
21st Jul 2026977 AMAQI
21st Jul 20261008 AMAQI
21st Jul 2026999 AMAQI
21st Jul 202610010 AMAQI
21st Jul 202610411 AMAQI
21st Jul 20269512 PMAQI
21st Jul 2026831 PMAQI
21st Jul 2026822 PMAQI
21st Jul 2026693 PMAQI
21st Jul 2026574 PMAQI
21st Jul 2026595 PMAQI
21st Jul 2026646 PMAQI
21st Jul 2026517 PMAQI
21st Jul 2026428 PMAQI
21st Jul 2026329 PMAQI
21st Jul 20263210 PMAQI
21st Jul 20262011 PMAQI
22nd Jul 20261812 AMAQI
22nd Jul 2026121 AMAQI
22nd Jul 2026122 AMAQI
22nd Jul 2026103 AMAQI
22nd Jul 2026124 AMAQI
22nd Jul 2026105 AMAQI

26°C19/36°C

22nd Jul 202686 AMAQI
22nd Jul 2026107 AMAQI
22nd Jul 2026128 AMAQI
22nd Jul 202679 AMAQI
22nd Jul 2026810 AMAQI
22nd Jul 20261311 AMAQI
22nd Jul 2026912 PMAQI
22nd Jul 2026121 PMAQI
22nd Jul 2026122 PMAQI
22nd Jul 2026123 PMAQI
22nd Jul 2026124 PMAQI
22nd Jul 2026145 PMAQI
22nd Jul 2026126 PMAQI
22nd Jul 2026177 PMAQI
22nd Jul 2026178 PMAQI
22nd Jul 2026149 PMAQI
22nd Jul 20261410 PMAQI
22nd Jul 20261711 PMAQI
23rd Jul 20261412 AMAQI
23rd Jul 2026121 AMAQI
23rd Jul 2026172 AMAQI
23rd Jul 2026143 AMAQI
23rd Jul 2026174 AMAQI
23rd Jul 2026205 AMAQI

19°C13/25°C

23rd Jul 2026176 AMAQI
23rd Jul 2026197 AMAQI
23rd Jul 2026288 AMAQI
23rd Jul 2026289 AMAQI
23rd Jul 20262810 AMAQI
23rd Jul 20264211 AMAQI
23rd Jul 20264212 PMAQI
23rd Jul 2026381 PMAQI
23rd Jul 2026212 PMAQI
23rd Jul 2026173 PMAQI
23rd Jul 2026234 PMAQI
23rd Jul 2026385 PMAQI
23rd Jul 2026256 PMAQI
23rd Jul 2026297 PMAQI
23rd Jul 2026218 PMAQI
23rd Jul 2026219 PMAQI
23rd Jul 20264010 PMAQI
23rd Jul 20262911 PMAQI
24th Jul 20264812 AMAQI
24th Jul 2026341 AMAQI
24th Jul 2026292 AMAQI
24th Jul 2026253 AMAQI
24th Jul 2026214 AMAQI
24th Jul 2026235 AMAQI

20°C12/28°C

24th Jul 2026256 AMAQI
24th Jul 2026277 AMAQI
24th Jul 2026368 AMAQI
24th Jul 2026519 AMAQI
24th Jul 20264710 AMAQI
24th Jul 20263611 AMAQI
24th Jul 20262712 PMAQI
24th Jul 2026331 PMAQI
24th Jul 2026332 PMAQI
24th Jul 2026403 PMAQI
24th Jul 2026344 PMAQI
24th Jul 2026335 PMAQI
24th Jul 2026426 PMAQI
24th Jul 2026337 PMAQI
24th Jul 2026338 PMAQI
24th Jul 2026369 PMAQI
24th Jul 20264210 PMAQI
24th Jul 20263311 PMAQI
25th Jul 20262912 AMAQI
25th Jul 2026231 AMAQI
25th Jul 2026332 AMAQI
25th Jul 2026443 AMAQI
25th Jul 2026404 AMAQI
25th Jul 2026505 AMAQI

20°C13/27°C

25th Jul 2026486 AMAQI
25th Jul 2026537 AMAQI
25th Jul 2026488 AMAQI
25th Jul 2026509 AMAQI
25th Jul 20264810 AMAQI
25th Jul 20263811 AMAQI
25th Jul 20263612 PMAQI
25th Jul 2026271 PMAQI
25th Jul 2026252 PMAQI
25th Jul 2026293 PMAQI
25th Jul 2026274 PMAQI
25th Jul 2026275 PMAQI
25th Jul 2026296 PMAQI
25th Jul 2026277 PMAQI
25th Jul 2026278 PMAQI
25th Jul 2026279 PMAQI
25th Jul 20262710 PMAQI
25th Jul 20263611 PMAQI
26th Jul 20263312 AMAQI
26th Jul 2026381 AMAQI
26th Jul 2026332 AMAQI
26th Jul 2026423 AMAQI
26th Jul 2026384 AMAQI
26th Jul 2026425 AMAQI

22°C14/32°C

26th Jul 2026446 AMAQI
26th Jul 2026407 AMAQI
26th Jul 2026428 AMAQI
26th Jul 2026429 AMAQI
26th Jul 20264210 AMAQI
26th Jul 20263811 AMAQI
26th Jul 20263812 PMAQI
26th Jul 2026381 PMAQI
26th Jul 2026382 PMAQI
26th Jul 2026423 PMAQI
26th Jul 2026364 PMAQI
26th Jul 2026385 PMAQI
26th Jul 2026406 PMAQI
26th Jul 2026427 PMAQI
26th Jul 2026518 PMAQI
26th Jul 2026529 PMAQI
26th Jul 20265110 PMAQI
26th Jul 20265111 PMAQI
27th Jul 20265512 AMAQI
27th Jul 2026571 AMAQI
27th Jul 2026592 AMAQI
27th Jul 2026603 AMAQI
27th Jul 2026584 AMAQI
27th Jul 2026625 AMAQI

25°C18/32°C

27th Jul 2026626 AMAQI
27th Jul 2026607 AMAQI
27th Jul 2026628 AMAQI
27th Jul 2026629 AMAQI
27th Jul 20266510 AMAQI
27th Jul 20266211 AMAQI
27th Jul 20265612 PMAQI
27th Jul 2026541 PMAQI
27th Jul 2026582 PMAQI
27th Jul 2026583 PMAQI
27th Jul 2026584 PMAQI
27th Jul 2026585 PMAQI
27th Jul 2026596 PMAQI
27th Jul 2026587 PMAQI
27th Jul 2026678 PMAQI
27th Jul 2026719 PMAQI
27th Jul 20267410 PMAQI
27th Jul 20267611 PMAQI
28th Jul 20266612 AMAQI
28th Jul 2026691 AMAQI
28th Jul 2026622 AMAQI
28th Jul 2026543 AMAQI
28th Jul 2026484 AMAQI
28th Jul 2026425 AMAQI

26°C21/33°C

28th Jul 2026366 AMAQI
28th Jul 2026297 AMAQI
28th Jul 2026318 AMAQI
28th Jul 2026299 AMAQI
28th Jul 20265010 AMAQI
28th Jul 20265311 AMAQI
28th Jul 20265112 PMAQI
28th Jul 2026491 PMAQI
28th Jul 2026512 PMAQI
28th Jul 2026443 PMAQI
28th Jul 2026484 PMAQI
28th Jul 2026515 PMAQI
28th Jul 2026536 PMAQI
28th Jul 2026527 PMAQI
28th Jul 2026508 PMAQI
28th Jul 2026489 PMAQI
28th Jul 20264210 PMAQI
28th Jul 20264211 PMAQI
29th Jul 20264412 AMAQI
29th Jul 2026341 AMAQI
29th Jul 2026312 AMAQI
29th Jul 2026293 AMAQI
29th Jul 2026274 AMAQI
29th Jul 2026275 AMAQI

23°C20/28°C

29th Jul 2026256 AMAQI
29th Jul 2026247 AMAQI
29th Jul 2026238 AMAQI
29th Jul 2026229 AMAQI
29th Jul 20263610 AMAQI
29th Jul 20263411 AMAQI
29th Jul 20262012 PMAQI
29th Jul 2026171 PMAQI
29th Jul 2026192 PMAQI
29th Jul 2026183 PMAQI
29th Jul 2026184 PMAQI
29th Jul 2026165 PMAQI
29th Jul 2026196 PMAQI
29th Jul 2026137 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026219 PMAQI
29th Jul 20261710 PMAQI
29th Jul 20262311 PMAQI
30th Jul 20262712 AMAQI
30th Jul 2026621 AMAQI
30th Jul 2026482 AMAQI
30th Jul 2026383 AMAQI
30th Jul 2026384 AMAQI
30th Jul 2026385 AMAQI

22°C16/29°C

30th Jul 2026336 AMAQI
30th Jul 2026387 AMAQI
30th Jul 2026368 AMAQI
30th Jul 2026429 AMAQI
30th Jul 20263810 AMAQI
30th Jul 20262811 AMAQI
30th Jul 20262412 PMAQI
30th Jul 2026421 PMAQI
30th Jul 2026482 PMAQI
30th Jul 2026533 PMAQI
30th Jul 2026514 PMAQI
30th Jul 2026525 PMAQI
30th Jul 2026526 PMAQI
30th Jul 2026517 PMAQI
30th Jul 2026508 PMAQI
30th Jul 2026509 PMAQI
30th Jul 20265210 PMAQI
30th Jul 20265511 PMAQI
31st Jul 20265412 AMAQI
31st Jul 2026581 AMAQI
31st Jul 2026562 AMAQI
31st Jul 2026573 AMAQI
31st Jul 2026564 AMAQI
31st Jul 2026525 AMAQI

25°C17/34°C

31st Jul 2026516 AMAQI
31st Jul 2026517 AMAQI
31st Jul 2026528 AMAQI
31st Jul 2026529 AMAQI
31st Jul 20265210 AMAQI
31st Jul 20264811 AMAQI
31st Jul 20265212 PMAQI
31st Jul 2026521 PMAQI
31st Jul 2026522 PMAQI
31st Jul 2026533 PMAQI
31st Jul 2026544 PMAQI
31st Jul 2026545 PMAQI
31st Jul 2026546 PMAQI
31st Jul 2026547 PMAQI
31st Jul 2026538 PMAQI
31st Jul 2026569 PMAQI
31st Jul 20265610 PMAQI
31st Jul 20265611 PMAQI
1st Aug 20265512 AMAQI
1st Aug 2026561 AMAQI
1st Aug 2026592 AMAQI
1st Aug 2026593 AMAQI
1st Aug 2026594 AMAQI
1st Aug 2026585 AMAQI

27°C19/35°C

1st Aug 2026566 AMAQI
1st Aug 2026557 AMAQI
1st Aug 2026558 AMAQI
1st Aug 2026539 AMAQI
1st Aug 20265310 AMAQI
1st Aug 20265211 AMAQI
1st Aug 20265212 PMAQI
1st Aug 2026511 PMAQI
1st Aug 2026532 PMAQI
1st Aug 2026483 PMAQI
1st Aug 2026504 PMAQI
1st Aug 2026425 PMAQI
1st Aug 2026446 PMAQI
1st Aug 2026427 PMAQI
1st Aug 2026368 PMAQI
1st Aug 2026389 PMAQI
1st Aug 20264010 PMAQI
1st Aug 20263811 PMAQI
2nd Aug 20264012 AMAQI
2nd Aug 2026361 AMAQI
2nd Aug 2026292 AMAQI
2nd Aug 2026293 AMAQI
2nd Aug 2026234 AMAQI
2nd Aug 2026425 AMAQI

26°C21/31°C

2nd Aug 2026256 AMAQI
2nd Aug 2026257 AMAQI
2nd Aug 2026258 AMAQI
2nd Aug 2026259 AMAQI
2nd Aug 20263210 AMAQI
2nd Aug 20262511 AMAQI
2nd Aug 20262512 PMAQI
2nd Aug 2026251 PMAQI
2nd Aug 2026472 PMAQI
2nd Aug 2026233 PMAQI
2nd Aug 2026234 PMAQI
2nd Aug 2026215 PMAQI
2nd Aug 2026216 PMAQI
2nd Aug 2026257 PMAQI
2nd Aug 2026328 PMAQI
2nd Aug 2026279 PMAQI
2nd Aug 20263010 PMAQI
2nd Aug 20262111 PMAQI
3rd Aug 20262112 AMAQI
3rd Aug 2026211 AMAQI
3rd Aug 2026212 AMAQI
3rd Aug 2026213 AMAQI
3rd Aug 2026214 AMAQI
3rd Aug 2026235 AMAQI

20°C18/23°C

3rd Aug 2026346 AMAQI
6 AM
3rd Aug 2026447 AMAQI
3rd Aug 2026468 AMAQI
3rd Aug 2026449 AMAQI
3rd Aug 20264210 AMAQI
3rd Aug 20264411 AMAQI
3rd Aug 20264612 PMAQI
3rd Aug 2026441 PMAQI
1 PM
3rd Aug 2026422 PMAQI
3rd Aug 2026443 PMAQI
3rd Aug 2026384 PMAQI
3rd Aug 2026405 PMAQI
3rd Aug 2026386 PMAQI
3rd Aug 2026467 PMAQI
3rd Aug 2026408 PMAQI
3rd Aug 2026329 PMAQI
9 PM
3rd Aug 20263610 PMAQI
3rd Aug 20264011 PMAQI
1 AM
5 AM

22°C15/31°C

Day time
Avg. Highest Time
10 AM - 12 PM

55AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
5 PM - 9 PM

50AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 12 PM (Avg. 55), while the lowest AQI was between 5 PM to 9 PM (Avg. 50).
Night time
Avg. Highest Time
3 AM - 10 PM

53AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
12 AM - 2 AM

47AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 10 PM (Avg. 53), while the lowest AQI was between 12 AM to 2 AM (Avg. 47).

2026 Days Vs Air Quality

Windsor Downtown, Windsor, Ontario, Canada

2026

88%

187

10%

22

0.9%

2

0.4%

1

Total number of days with different AQI categories in last 215 days in 2026 (150 days remaining)

Good
187 Days
Moderate
22 Days
Poor
2 Days
Unhealthy
0 Days
Severe
1 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 88%

Health Risk Level:

Low

In 2026, 88% 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

Windsor Downtown, Windsor, Ontario, Canada

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
20AQI (US)
2nd January 2026
34AQI (US)
3rd January 2026
38AQI (US)
4th January 2026
42AQI (US)
5th January 2026
66AQI (US)
6th January 2026
92AQI (US)
7th January 2026
74AQI (US)
8th January 2026
66AQI (US)
9th January 2026
25AQI (US)
10th January 2026
28AQI (US)
11th January 2026
25AQI (US)
12th January 2026
38AQI (US)
13th January 2026
55AQI (US)
14th January 2026
37AQI (US)
15th January 2026
14AQI (US)
16th January 2026
40AQI (US)
17th January 2026
47AQI (US)
18th January 2026
34AQI (US)
19th January 2026
36AQI (US)
20th January 2026
38AQI (US)
21st January 2026
44AQI (US)
22nd January 2026
54AQI (US)
23rd January 2026
55AQI (US)
24th January 2026
41AQI (US)
25th January 2026
48AQI (US)
26th January 2026
47AQI (US)
27th January 2026
34AQI (US)
28th January 2026
38AQI (US)
29th January 2026
50AQI (US)
30th January 2026
58AQI (US)
31st January 2026
37AQI (US)
1st February 2026
42AQI (US)
2nd February 2026
50AQI (US)
3rd February 2026
45AQI (US)
4th February 2026
41AQI (US)
5th February 2026
51AQI (US)
6th February 2026
47AQI (US)
7th February 2026
33AQI (US)
8th February 2026
31AQI (US)
9th February 2026
42AQI (US)
10th February 2026
43AQI (US)
11th February 2026
30AQI (US)
12th February 2026
29AQI (US)
13th February 2026
36AQI (US)
14th February 2026
44AQI (US)
15th February 2026
52AQI (US)
16th February 2026
55AQI (US)
17th February 2026
55AQI (US)
18th February 2026
41AQI (US)
19th February 2026
33AQI (US)
20th February 2026
34AQI (US)
21st February 2026
28AQI (US)
22nd February 2026
37AQI (US)
23rd February 2026
33AQI (US)
24th February 2026
39AQI (US)
25th February 2026
38AQI (US)
26th February 2026
27AQI (US)
27th February 2026
33AQI (US)
28th February 2026
29AQI (US)
1st March 2026
31AQI (US)
2nd March 2026
44AQI (US)
3rd March 2026
41AQI (US)
4th March 2026
42AQI (US)
5th March 2026
36AQI (US)
6th March 2026
28AQI (US)
7th March 2026
34AQI (US)
8th March 2026
29AQI (US)
9th March 2026
32AQI (US)
10th March 2026
33AQI (US)
11th March 2026
38AQI (US)
12th March 2026
30AQI (US)
13th March 2026
38AQI (US)
14th March 2026
34AQI (US)
15th March 2026
27AQI (US)
16th March 2026
26AQI (US)
17th March 2026
30AQI (US)
18th March 2026
29AQI (US)
19th March 2026
39AQI (US)
20th March 2026
42AQI (US)
21st March 2026
30AQI (US)
22nd March 2026
30AQI (US)
23rd March 2026
34AQI (US)
24th March 2026
28AQI (US)
25th March 2026
29AQI (US)
26th March 2026
42AQI (US)
27th March 2026
19AQI (US)
28th March 2026
21AQI (US)
29th March 2026
19AQI (US)
30th March 2026
34AQI (US)
31st March 2026
33AQI (US)
1st April 2026
27AQI (US)
2nd April 2026
23AQI (US)
3rd April 2026
21AQI (US)
4th April 2026
32AQI (US)
5th April 2026
29AQI (US)
6th April 2026
30AQI (US)
7th April 2026
25AQI (US)
8th April 2026
31AQI (US)
9th April 2026
31AQI (US)
10th April 2026
24AQI (US)
11th April 2026
24AQI (US)
12th April 2026
30AQI (US)
13th April 2026
29AQI (US)
14th April 2026
35AQI (US)
15th April 2026
31AQI (US)
16th April 2026
28AQI (US)
17th April 2026
18th April 2026
22AQI (US)
19th April 2026
28AQI (US)
20th April 2026
22AQI (US)
21st April 2026
32AQI (US)
22nd April 2026
23rd April 2026
32AQI (US)
24th April 2026
35AQI (US)
25th April 2026
19AQI (US)
26th April 2026
28AQI (US)
27th April 2026
21AQI (US)
28th April 2026
21AQI (US)
29th April 2026
23AQI (US)
30th April 2026
24AQI (US)
1st May 2026
21AQI (US)
2nd May 2026
23AQI (US)
3rd May 2026
33AQI (US)
4th May 2026
43AQI (US)
5th May 2026
32AQI (US)
6th May 2026
21AQI (US)
7th May 2026
28AQI (US)
8th May 2026
31AQI (US)
9th May 2026
10th May 2026
25AQI (US)
11th May 2026
20AQI (US)
12th May 2026
26AQI (US)
13th May 2026
30AQI (US)
14th May 2026
22AQI (US)
15th May 2026
48AQI (US)
16th May 2026
48AQI (US)
17th May 2026
54AQI (US)
18th May 2026
56AQI (US)
19th May 2026
53AQI (US)
20th May 2026
42AQI (US)
21st May 2026
39AQI (US)
22nd May 2026
41AQI (US)
23rd May 2026
51AQI (US)
24th May 2026
43AQI (US)
25th May 2026
43AQI (US)
26th May 2026
30AQI (US)
27th May 2026
28AQI (US)
28th May 2026
24AQI (US)
29th May 2026
24AQI (US)
30th May 2026
22AQI (US)
31st May 2026
29AQI (US)
1st June 2026
32AQI (US)
2nd June 2026
27AQI (US)
3rd June 2026
35AQI (US)
4th June 2026
25AQI (US)
5th June 2026
28AQI (US)
6th June 2026
25AQI (US)
7th June 2026
23AQI (US)
8th June 2026
25AQI (US)
9th June 2026
26AQI (US)
10th June 2026
27AQI (US)
11th June 2026
27AQI (US)
12th June 2026
26AQI (US)
13th June 2026
24AQI (US)
14th June 2026
23AQI (US)
15th June 2026
25AQI (US)
16th June 2026
27AQI (US)
17th June 2026
27AQI (US)
18th June 2026
23AQI (US)
19th June 2026
25AQI (US)
20th June 2026
23AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
23AQI (US)
23rd June 2026
23AQI (US)
24th June 2026
24AQI (US)
25th June 2026
16AQI (US)
26th June 2026
26AQI (US)
27th June 2026
28AQI (US)
28th June 2026
26AQI (US)
29th June 2026
24AQI (US)
30th June 2026
28AQI (US)
1st July 2026
65AQI (US)
2nd July 2026
42AQI (US)
3rd July 2026
30AQI (US)
4th July 2026
25AQI (US)
5th July 2026
35AQI (US)
6th July 2026
29AQI (US)
7th July 2026
28AQI (US)
8th July 2026
27AQI (US)
9th July 2026
29AQI (US)
10th July 2026
32AQI (US)
11th July 2026
30AQI (US)
12th July 2026
30AQI (US)
13th July 2026
40AQI (US)
14th July 2026
31AQI (US)
15th July 2026
37AQI (US)
16th July 2026
84AQI (US)
17th July 2026
223AQI (US)
18th July 2026
101AQI (US)
19th July 2026
120AQI (US)
20th July 2026
85AQI (US)
21st July 2026
77AQI (US)
22nd July 2026
12AQI (US)
23rd July 2026
25AQI (US)
24th July 2026
34AQI (US)
25th July 2026
35AQI (US)
26th July 2026
41AQI (US)
27th July 2026
61AQI (US)
28th July 2026
48AQI (US)
29th July 2026
24AQI (US)
30th July 2026
44AQI (US)
31st July 2026
54AQI (US)
1st August 2026
50AQI (US)
2nd August 2026
28AQI (US)
3rd August 2026
36AQI (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

44AQI (US)

39AQI (US)

32AQI (US)

27AQI (US)

34AQI (US)

25AQI (US)

51AQI (US)

38AQI (US)

No. of days

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

202636AQI (US)

23
8
24
4
31
28
26
4
30
22
6
2
1
3
187
22
2
1

Highest AQI (US) recorded in

July

51AQI (US)

Lowest AQI (US) recorded in

June

25AQI (US)

202541AQI (US)

27
4
22
6
29
2
29
1
31
17
11
2
18
12
1
17
12
2
20
10
22
9
21
9
15
16
268
92
5

Highest AQI (US) recorded in

June

54AQI (US)

Lowest AQI (US) recorded in

May

25AQI (US)

202436AQI (US)

23
8
21
8
29
2
30
29
2
27
1
29
2
24
7
30
27
4
28
2
27
4
324
40

Highest AQI (US) recorded in

February

43AQI (US)

Lowest AQI (US) recorded in

November

31AQI (US)

202344AQI (US)

22
9
24
4
25
6
22
8
25
6
7
16
5
1
1
20
11
17
14
27
3
29
2
23
6
21
10
262
95
5
1
1

Highest AQI (US) recorded in

June

79AQI (US)

Lowest AQI (US) recorded in

October

33AQI (US)

202236AQI (US)

25
5
19
2
27
4
23
1
30
1
25
5
20
3
1
24
3
28
3
26
4
26
5
274
36

Highest AQI (US) recorded in

June

43AQI (US)

Lowest AQI (US) recorded in

August

30AQI (US)

202137AQI (US)

23
6
23
5
27
4
26
4
29
2
26
4
21
10
22
9
29
1
30
1
25
5
27
4
308
55

Highest AQI (US) recorded in

August

44AQI (US)

Lowest AQI (US) recorded in

September

31AQI (US)

202034AQI (US)

11
1
20
1
18
29
1
27
4
29
2
27
3
31
27
3
24
7
243
22

Highest AQI (US) recorded in

July

39AQI (US)

Lowest AQI (US) recorded in

October

26AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2023(Avg.)
44AQI (US)
Least Polluted Year Recorded
2020(Avg.)
34AQI (US)

Windsor Downtown's annual 2026 AQI (US) (36) shows an average percentage change of -4.5% (improved AQI (US)) compared to previous years: 2020 (34), 2021 (37), 2022 (36), 2023 (44), 2024 (36), 2025 (41).