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

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Aug 2025
97AQI
Lowest AQI recorded on
14th Aug 2023
18AQI

Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 97 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025

Windsor Downtown, Windsor, Ontario, Canada

AQI
Day
Night
.

6 AM2nd Aug 2025

9 PM

5 AM3rd Aug 2025

Day time
Avg. Highest Time
8PM2nd Aug

54AQI

Avg. Lowest Time
4PM2nd Aug

28AQI

Night time
Avg. Highest Time
11PM2nd Aug

60AQI

Avg. Lowest Time
9PM2nd Aug

45AQI

In the last 24 hours,

Windsor Downtown's AQI reached its highest point of 60 at 11 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 2nd Aug and 3rd Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Windsor Downtown, Windsor, Ontario, Canada

JulAug
04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd
Day
Night
4th Jul 2025526 AMAQI
4th Jul 2025527 AMAQI
4th Jul 2025538 AMAQI
4th Jul 2025549 AMAQI
4th Jul 20255410 AMAQI
4th Jul 20255511 AMAQI
4th Jul 20255812 PMAQI
4th Jul 2025581 PMAQI
4th Jul 2025582 PMAQI
4th Jul 2025583 PMAQI
4th Jul 2025574 PMAQI
4th Jul 2025575 PMAQI
4th Jul 2025566 PMAQI
4th Jul 2025567 PMAQI
4th Jul 2025568 PMAQI
4th Jul 2025549 PMAQI
4th Jul 20255410 PMAQI
4th Jul 20255411 PMAQI
5th Jul 20255612 AMAQI
5th Jul 2025601 AMAQI
5th Jul 2025722 AMAQI
5th Jul 2025603 AMAQI
5th Jul 2025704 AMAQI
5th Jul 2025625 AMAQI

26°C19/36°C

5th Jul 2025566 AMAQI
5th Jul 2025587 AMAQI
5th Jul 2025608 AMAQI
5th Jul 2025609 AMAQI
5th Jul 20256410 AMAQI
5th Jul 20256411 AMAQI
5th Jul 20256012 PMAQI
5th Jul 2025571 PMAQI
5th Jul 2025562 PMAQI
5th Jul 2025563 PMAQI
5th Jul 2025564 PMAQI
5th Jul 2025585 PMAQI
5th Jul 2025596 PMAQI
5th Jul 2025597 PMAQI
5th Jul 2025588 PMAQI
5th Jul 2025589 PMAQI
5th Jul 20255810 PMAQI
5th Jul 20255811 PMAQI
6th Jul 20255812 AMAQI
6th Jul 2025581 AMAQI
6th Jul 2025542 AMAQI
6th Jul 2025563 AMAQI
6th Jul 2025564 AMAQI
6th Jul 2025585 AMAQI

28°C22/35°C

6th Jul 2025586 AMAQI
6th Jul 2025587 AMAQI
6th Jul 2025578 AMAQI
6th Jul 2025589 AMAQI
6th Jul 20255810 AMAQI
6th Jul 20255811 AMAQI
6th Jul 20255812 PMAQI
6th Jul 2025581 PMAQI
6th Jul 2025572 PMAQI
6th Jul 2025583 PMAQI
6th Jul 2025574 PMAQI
6th Jul 2025585 PMAQI
6th Jul 2025576 PMAQI
6th Jul 2025577 PMAQI
6th Jul 2025578 PMAQI
6th Jul 2025579 PMAQI
6th Jul 20255610 PMAQI
6th Jul 20255411 PMAQI
7th Jul 20255312 AMAQI
7th Jul 2025511 AMAQI
7th Jul 2025432 AMAQI
7th Jul 2025423 AMAQI
7th Jul 2025404 AMAQI
7th Jul 2025435 AMAQI

30°C24/37°C

7th Jul 2025406 AMAQI
7th Jul 2025347 AMAQI
7th Jul 2025288 AMAQI
7th Jul 2025369 AMAQI
7th Jul 20253410 AMAQI
7th Jul 20253311 AMAQI
7th Jul 20253412 PMAQI
7th Jul 2025341 PMAQI
7th Jul 2025332 PMAQI
7th Jul 2025343 PMAQI
7th Jul 2025354 PMAQI
7th Jul 2025365 PMAQI
7th Jul 2025346 PMAQI
7th Jul 2025367 PMAQI
7th Jul 2025368 PMAQI
7th Jul 2025369 PMAQI
7th Jul 20253810 PMAQI
7th Jul 20253911 PMAQI
8th Jul 20253812 AMAQI
8th Jul 2025421 AMAQI
8th Jul 2025532 AMAQI
8th Jul 2025513 AMAQI
8th Jul 2025524 AMAQI
8th Jul 2025555 AMAQI

23°C20/24°C

8th Jul 2025566 AMAQI
8th Jul 2025577 AMAQI
8th Jul 2025568 AMAQI
8th Jul 2025579 AMAQI
8th Jul 20255810 AMAQI
8th Jul 20255811 AMAQI
8th Jul 20255812 PMAQI
8th Jul 2025581 PMAQI
8th Jul 2025592 PMAQI
8th Jul 2025613 PMAQI
8th Jul 2025614 PMAQI
8th Jul 2025605 PMAQI
8th Jul 2025586 PMAQI
8th Jul 2025627 PMAQI
8th Jul 2025618 PMAQI
8th Jul 2025579 PMAQI
8th Jul 20255610 PMAQI
8th Jul 20255611 PMAQI
9th Jul 20255812 AMAQI
9th Jul 2025601 AMAQI
9th Jul 2025652 AMAQI
9th Jul 2025663 AMAQI
9th Jul 2025634 AMAQI
9th Jul 2025625 AMAQI

24°C17/32°C

9th Jul 2025646 AMAQI
9th Jul 2025627 AMAQI
9th Jul 2025608 AMAQI
9th Jul 2025619 AMAQI
9th Jul 20255810 AMAQI
9th Jul 20255711 AMAQI
9th Jul 20255712 PMAQI
9th Jul 2025561 PMAQI
9th Jul 2025552 PMAQI
9th Jul 2025543 PMAQI
9th Jul 2025544 PMAQI
9th Jul 2025565 PMAQI
9th Jul 2025576 PMAQI
9th Jul 2025577 PMAQI
9th Jul 2025588 PMAQI
9th Jul 2025589 PMAQI
9th Jul 20255610 PMAQI
9th Jul 20255611 PMAQI
10th Jul 20255612 AMAQI
10th Jul 2025551 AMAQI
10th Jul 2025522 AMAQI
10th Jul 2025523 AMAQI
10th Jul 2025524 AMAQI
10th Jul 2025545 AMAQI

25°C21/31°C

10th Jul 2025566 AMAQI
10th Jul 2025577 AMAQI
10th Jul 2025568 AMAQI
10th Jul 2025569 AMAQI
10th Jul 20255410 AMAQI
10th Jul 20255411 AMAQI
10th Jul 20255412 PMAQI
10th Jul 2025541 PMAQI
10th Jul 2025562 PMAQI
10th Jul 2025553 PMAQI
10th Jul 2025544 PMAQI
10th Jul 2025545 PMAQI
10th Jul 2025546 PMAQI
10th Jul 2025537 PMAQI
10th Jul 2025528 PMAQI
10th Jul 2025559 PMAQI
10th Jul 20255510 PMAQI
10th Jul 20255211 PMAQI
11th Jul 20255312 AMAQI
11th Jul 2025541 AMAQI
11th Jul 2025552 AMAQI
11th Jul 2025543 AMAQI
11th Jul 2025534 AMAQI
11th Jul 2025525 AMAQI

26°C20/31°C

11th Jul 2025526 AMAQI
11th Jul 2025527 AMAQI
11th Jul 2025528 AMAQI
11th Jul 2025539 AMAQI
11th Jul 20255410 AMAQI
11th Jul 20255411 AMAQI
11th Jul 20255412 PMAQI
11th Jul 2025531 PMAQI
11th Jul 2025542 PMAQI
11th Jul 2025543 PMAQI
11th Jul 2025534 PMAQI
11th Jul 2025525 PMAQI
11th Jul 2025526 PMAQI
11th Jul 2025507 PMAQI
11th Jul 2025508 PMAQI
11th Jul 2025519 PMAQI
11th Jul 20255210 PMAQI
11th Jul 20254811 PMAQI
12th Jul 20254912 AMAQI
12th Jul 2025461 AMAQI
12th Jul 2025382 AMAQI
12th Jul 2025403 AMAQI
12th Jul 2025384 AMAQI
12th Jul 2025415 AMAQI

25°C21/31°C

12th Jul 2025426 AMAQI
12th Jul 2025467 AMAQI
12th Jul 2025468 AMAQI
12th Jul 2025499 AMAQI
12th Jul 20254910 AMAQI
12th Jul 20255211 AMAQI
12th Jul 20255012 PMAQI
12th Jul 2025481 PMAQI
12th Jul 2025462 PMAQI
12th Jul 2025433 PMAQI
12th Jul 2025434 PMAQI
12th Jul 2025445 PMAQI
12th Jul 2025426 PMAQI
12th Jul 2025437 PMAQI
12th Jul 2025448 PMAQI
12th Jul 2025429 PMAQI
12th Jul 20254410 PMAQI
12th Jul 20254411 PMAQI
13th Jul 20254312 AMAQI
13th Jul 2025441 AMAQI
13th Jul 2025402 AMAQI
13th Jul 2025383 AMAQI
13th Jul 2025374 AMAQI
13th Jul 2025345 AMAQI

29°C23/36°C

13th Jul 2025346 AMAQI
13th Jul 2025347 AMAQI
13th Jul 2025358 AMAQI
13th Jul 2025439 AMAQI
13th Jul 20253810 AMAQI
13th Jul 20254011 AMAQI
13th Jul 20254212 PMAQI
13th Jul 2025441 PMAQI
13th Jul 2025482 PMAQI
13th Jul 2025453 PMAQI
13th Jul 2025424 PMAQI
13th Jul 2025425 PMAQI
13th Jul 2025436 PMAQI
13th Jul 2025457 PMAQI
13th Jul 2025478 PMAQI
13th Jul 2025459 PMAQI
13th Jul 20254610 PMAQI
13th Jul 20255411 PMAQI
14th Jul 20254812 AMAQI
14th Jul 2025481 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025663 AMAQI
14th Jul 2025694 AMAQI
14th Jul 2025675 AMAQI

27°C23/33°C

14th Jul 2025686 AMAQI
14th Jul 2025667 AMAQI
14th Jul 2025678 AMAQI
14th Jul 2025699 AMAQI
14th Jul 20257010 AMAQI
14th Jul 20257111 AMAQI
14th Jul 20257212 PMAQI
14th Jul 2025711 PMAQI
14th Jul 2025732 PMAQI
14th Jul 2025693 PMAQI
14th Jul 2025724 PMAQI
14th Jul 2025765 PMAQI
14th Jul 2025706 PMAQI
14th Jul 2025727 PMAQI
14th Jul 2025688 PMAQI
14th Jul 2025709 PMAQI
14th Jul 20257010 PMAQI
14th Jul 20256711 PMAQI
15th Jul 20256512 AMAQI
15th Jul 2025691 AMAQI
15th Jul 2025842 AMAQI
15th Jul 2025973 AMAQI
15th Jul 2025994 AMAQI
15th Jul 2025985 AMAQI

28°C21/34°C

15th Jul 20251046 AMAQI
15th Jul 20251017 AMAQI
15th Jul 2025998 AMAQI
15th Jul 2025929 AMAQI
15th Jul 20259410 AMAQI
15th Jul 202510211 AMAQI
15th Jul 20259712 PMAQI
15th Jul 2025981 PMAQI
15th Jul 20251022 PMAQI
15th Jul 2025963 PMAQI
15th Jul 20251004 PMAQI
15th Jul 2025995 PMAQI
15th Jul 20251006 PMAQI
15th Jul 20251007 PMAQI
15th Jul 20251048 PMAQI
15th Jul 2025969 PMAQI
15th Jul 20259810 PMAQI
15th Jul 20259811 PMAQI
16th Jul 20259612 AMAQI
16th Jul 20251011 AMAQI
16th Jul 20251032 AMAQI
16th Jul 20251023 AMAQI
16th Jul 20251004 AMAQI
16th Jul 2025965 AMAQI

27°C20/35°C

16th Jul 2025976 AMAQI
16th Jul 2025967 AMAQI
16th Jul 2025958 AMAQI
16th Jul 2025959 AMAQI
16th Jul 20259410 AMAQI
16th Jul 20259111 AMAQI
16th Jul 20258712 PMAQI
16th Jul 2025841 PMAQI
16th Jul 2025812 PMAQI
16th Jul 2025793 PMAQI
16th Jul 2025764 PMAQI
16th Jul 2025745 PMAQI
16th Jul 2025736 PMAQI
16th Jul 2025757 PMAQI
16th Jul 2025688 PMAQI
16th Jul 2025869 PMAQI
16th Jul 20258210 PMAQI
16th Jul 20256911 PMAQI
17th Jul 20257012 AMAQI
17th Jul 2025681 AMAQI
17th Jul 2025442 AMAQI
17th Jul 2025423 AMAQI
17th Jul 2025444 AMAQI
17th Jul 2025475 AMAQI

27°C22/34°C

17th Jul 2025456 AMAQI
17th Jul 2025447 AMAQI
17th Jul 2025448 AMAQI
17th Jul 2025459 AMAQI
17th Jul 20254610 AMAQI
17th Jul 20253911 AMAQI
17th Jul 20255012 PMAQI
17th Jul 2025611 PMAQI
17th Jul 2025482 PMAQI
17th Jul 2025403 PMAQI
17th Jul 2025454 PMAQI
17th Jul 2025415 PMAQI
17th Jul 2025446 PMAQI
17th Jul 2025427 PMAQI
17th Jul 2025408 PMAQI
17th Jul 2025439 PMAQI
17th Jul 20254210 PMAQI
17th Jul 20254011 PMAQI
18th Jul 20254212 AMAQI
18th Jul 2025381 AMAQI
18th Jul 2025312 AMAQI
18th Jul 2025273 AMAQI
18th Jul 2025264 AMAQI
18th Jul 2025285 AMAQI

25°C20/28°C

18th Jul 2025286 AMAQI
18th Jul 2025287 AMAQI
18th Jul 2025278 AMAQI
18th Jul 2025269 AMAQI
18th Jul 20252710 AMAQI
18th Jul 20252811 AMAQI
18th Jul 20252712 PMAQI
18th Jul 2025261 PMAQI
18th Jul 2025262 PMAQI
18th Jul 2025303 PMAQI
18th Jul 2025274 PMAQI
18th Jul 2025275 PMAQI
18th Jul 2025286 PMAQI
18th Jul 2025277 PMAQI
18th Jul 2025278 PMAQI
18th Jul 2025269 PMAQI
18th Jul 20252510 PMAQI
18th Jul 20252811 PMAQI
19th Jul 20252412 AMAQI
19th Jul 2025261 AMAQI
19th Jul 2025292 AMAQI
19th Jul 2025283 AMAQI
19th Jul 2025344 AMAQI
19th Jul 2025345 AMAQI

21°C16/26°C

19th Jul 2025336 AMAQI
19th Jul 2025287 AMAQI
19th Jul 2025328 AMAQI
19th Jul 2025289 AMAQI
19th Jul 20252710 AMAQI
19th Jul 20253411 AMAQI
19th Jul 20252612 PMAQI
19th Jul 2025271 PMAQI
19th Jul 2025272 PMAQI
19th Jul 2025303 PMAQI
19th Jul 2025324 PMAQI
19th Jul 2025315 PMAQI
19th Jul 2025306 PMAQI
19th Jul 2025287 PMAQI
19th Jul 2025318 PMAQI
19th Jul 2025299 PMAQI
19th Jul 20253010 PMAQI
19th Jul 20253211 PMAQI
20th Jul 20253112 AMAQI
20th Jul 2025301 AMAQI
20th Jul 2025262 AMAQI
20th Jul 2025353 AMAQI
20th Jul 2025324 AMAQI
20th Jul 2025425 AMAQI

24°C17/30°C

20th Jul 2025346 AMAQI
20th Jul 2025327 AMAQI
20th Jul 2025338 AMAQI
20th Jul 2025339 AMAQI
20th Jul 20253410 AMAQI
20th Jul 20253311 AMAQI
20th Jul 20253212 PMAQI
20th Jul 2025311 PMAQI
20th Jul 2025292 PMAQI
20th Jul 2025293 PMAQI
20th Jul 2025294 PMAQI
20th Jul 2025305 PMAQI
20th Jul 2025306 PMAQI
20th Jul 2025317 PMAQI
20th Jul 2025328 PMAQI
20th Jul 2025319 PMAQI
20th Jul 20253110 PMAQI
20th Jul 20253411 PMAQI
21st Jul 20253212 AMAQI
21st Jul 2025371 AMAQI
21st Jul 2025482 AMAQI
21st Jul 2025523 AMAQI
21st Jul 2025544 AMAQI
21st Jul 2025585 AMAQI

24°C21/27°C

21st Jul 2025586 AMAQI
21st Jul 2025587 AMAQI
21st Jul 2025618 AMAQI
21st Jul 2025599 AMAQI
21st Jul 20255910 AMAQI
21st Jul 20255811 AMAQI
21st Jul 20256012 PMAQI
21st Jul 2025611 PMAQI
21st Jul 2025592 PMAQI
21st Jul 2025523 PMAQI
21st Jul 2025504 PMAQI
21st Jul 2025525 PMAQI
21st Jul 2025526 PMAQI
21st Jul 2025507 PMAQI
21st Jul 2025478 PMAQI
21st Jul 2025509 PMAQI
21st Jul 20255010 PMAQI
21st Jul 20254311 PMAQI
22nd Jul 20254212 AMAQI
22nd Jul 2025411 AMAQI
22nd Jul 2025252 AMAQI
22nd Jul 2025243 AMAQI
22nd Jul 2025244 AMAQI
22nd Jul 2025225 AMAQI

22°C17/26°C

22nd Jul 2025246 AMAQI
22nd Jul 2025267 AMAQI
22nd Jul 2025248 AMAQI
22nd Jul 2025259 AMAQI
22nd Jul 20252610 AMAQI
22nd Jul 20252611 AMAQI
22nd Jul 20252812 PMAQI
22nd Jul 2025281 PMAQI
22nd Jul 2025272 PMAQI
22nd Jul 2025283 PMAQI
22nd Jul 2025274 PMAQI
22nd Jul 2025285 PMAQI
22nd Jul 2025296 PMAQI
22nd Jul 2025287 PMAQI
22nd Jul 2025278 PMAQI
22nd Jul 2025269 PMAQI
22nd Jul 20252610 PMAQI
22nd Jul 20252711 PMAQI
23rd Jul 20252612 AMAQI
23rd Jul 2025261 AMAQI
23rd Jul 2025252 AMAQI
23rd Jul 2025283 AMAQI
23rd Jul 2025264 AMAQI
23rd Jul 2025265 AMAQI

22°C15/31°C

23rd Jul 2025256 AMAQI
23rd Jul 2025267 AMAQI
23rd Jul 2025268 AMAQI
23rd Jul 2025289 AMAQI
23rd Jul 20252810 AMAQI
23rd Jul 20252811 AMAQI
23rd Jul 20252712 PMAQI
23rd Jul 2025261 PMAQI
23rd Jul 2025262 PMAQI
23rd Jul 2025273 PMAQI
23rd Jul 2025284 PMAQI
23rd Jul 2025305 PMAQI
23rd Jul 2025336 PMAQI
23rd Jul 2025347 PMAQI
23rd Jul 2025348 PMAQI
23rd Jul 2025289 PMAQI
23rd Jul 20253010 PMAQI
23rd Jul 20253511 PMAQI
24th Jul 20253412 AMAQI
24th Jul 2025361 AMAQI
24th Jul 2025372 AMAQI
24th Jul 2025363 AMAQI
24th Jul 2025354 AMAQI
24th Jul 2025385 AMAQI

25°C18/34°C

24th Jul 2025466 AMAQI
24th Jul 2025557 AMAQI
24th Jul 2025578 AMAQI
24th Jul 2025579 AMAQI
24th Jul 20255810 AMAQI
24th Jul 20255711 AMAQI
24th Jul 20255712 PMAQI
24th Jul 2025561 PMAQI
24th Jul 2025562 PMAQI
24th Jul 2025513 PMAQI
24th Jul 2025514 PMAQI
24th Jul 2025525 PMAQI
24th Jul 2025476 PMAQI
24th Jul 2025487 PMAQI
24th Jul 2025528 PMAQI
24th Jul 2025539 PMAQI
24th Jul 20255410 PMAQI
24th Jul 20255111 PMAQI
25th Jul 20254612 AMAQI
25th Jul 2025401 AMAQI
25th Jul 2025322 AMAQI
25th Jul 2025323 AMAQI
25th Jul 2025324 AMAQI
25th Jul 2025305 AMAQI

30°C23/39°C

25th Jul 2025306 AMAQI
25th Jul 2025307 AMAQI
25th Jul 2025338 AMAQI
25th Jul 2025339 AMAQI
25th Jul 20253310 AMAQI
25th Jul 20253211 AMAQI
25th Jul 20253012 PMAQI
25th Jul 2025321 PMAQI
25th Jul 2025342 PMAQI
25th Jul 2025363 PMAQI
25th Jul 2025364 PMAQI
25th Jul 2025345 PMAQI
25th Jul 2025356 PMAQI
25th Jul 2025367 PMAQI
25th Jul 2025338 PMAQI
25th Jul 2025349 PMAQI
25th Jul 20253510 PMAQI
25th Jul 20254011 PMAQI
26th Jul 20254312 AMAQI
26th Jul 2025461 AMAQI
26th Jul 2025562 AMAQI
26th Jul 2025613 AMAQI
26th Jul 2025604 AMAQI
26th Jul 2025565 AMAQI

27°C23/30°C

26th Jul 2025546 AMAQI
26th Jul 2025537 AMAQI
26th Jul 2025548 AMAQI
26th Jul 2025579 AMAQI
26th Jul 20256010 AMAQI
26th Jul 20256011 AMAQI
26th Jul 20255712 PMAQI
26th Jul 2025541 PMAQI
26th Jul 2025512 PMAQI
26th Jul 2025483 PMAQI
26th Jul 2025494 PMAQI
26th Jul 2025525 PMAQI
26th Jul 2025526 PMAQI
26th Jul 2025527 PMAQI
26th Jul 2025518 PMAQI
26th Jul 2025549 PMAQI
26th Jul 20255310 PMAQI
26th Jul 20254711 PMAQI
27th Jul 20255012 AMAQI
27th Jul 2025461 AMAQI
27th Jul 2025322 AMAQI
27th Jul 2025323 AMAQI
27th Jul 2025284 AMAQI
27th Jul 2025275 AMAQI

26°C22/32°C

27th Jul 2025296 AMAQI
27th Jul 2025307 AMAQI
27th Jul 2025288 AMAQI
27th Jul 2025309 AMAQI
27th Jul 20253310 AMAQI
27th Jul 20253811 AMAQI
27th Jul 20254112 PMAQI
27th Jul 2025391 PMAQI
27th Jul 2025372 PMAQI
27th Jul 2025363 PMAQI
27th Jul 2025384 PMAQI
27th Jul 2025385 PMAQI
27th Jul 2025376 PMAQI
27th Jul 2025407 PMAQI
27th Jul 2025418 PMAQI
27th Jul 2025369 PMAQI
27th Jul 20253710 PMAQI
27th Jul 20253711 PMAQI
28th Jul 20253712 AMAQI
28th Jul 2025361 AMAQI
28th Jul 2025362 AMAQI
28th Jul 2025363 AMAQI
28th Jul 2025384 AMAQI
28th Jul 2025405 AMAQI

29°C24/36°C

28th Jul 2025406 AMAQI
28th Jul 2025437 AMAQI
28th Jul 2025438 AMAQI
28th Jul 2025449 AMAQI
28th Jul 20254610 AMAQI
28th Jul 20254711 AMAQI
28th Jul 20254412 PMAQI
28th Jul 2025421 PMAQI
28th Jul 2025402 PMAQI
28th Jul 2025383 PMAQI
28th Jul 2025384 PMAQI
28th Jul 2025405 PMAQI
28th Jul 2025406 PMAQI
28th Jul 2025387 PMAQI
28th Jul 2025358 PMAQI
28th Jul 2025389 PMAQI
28th Jul 20253810 PMAQI
28th Jul 20253611 PMAQI
29th Jul 20253512 AMAQI
29th Jul 2025361 AMAQI
29th Jul 2025362 AMAQI
29th Jul 2025333 AMAQI
29th Jul 2025324 AMAQI
29th Jul 2025345 AMAQI

29°C23/36°C

29th Jul 2025306 AMAQI
29th Jul 2025307 AMAQI
29th Jul 2025348 AMAQI
29th Jul 2025409 AMAQI
29th Jul 20254010 AMAQI
29th Jul 20254311 AMAQI
29th Jul 20254412 PMAQI
29th Jul 2025441 PMAQI
29th Jul 2025442 PMAQI
29th Jul 2025423 PMAQI
29th Jul 2025434 PMAQI
29th Jul 2025435 PMAQI
29th Jul 2025446 PMAQI
29th Jul 2025427 PMAQI
29th Jul 2025438 PMAQI
29th Jul 2025409 PMAQI
29th Jul 20254010 PMAQI
29th Jul 20254211 PMAQI
30th Jul 20254312 AMAQI
30th Jul 2025461 AMAQI
30th Jul 2025522 AMAQI
30th Jul 2025473 AMAQI
30th Jul 2025474 AMAQI
30th Jul 2025495 AMAQI

28°C21/36°C

30th Jul 2025526 AMAQI
30th Jul 2025537 AMAQI
30th Jul 2025548 AMAQI
30th Jul 2025559 AMAQI
30th Jul 20255410 AMAQI
30th Jul 20255411 AMAQI
30th Jul 20255412 PMAQI
30th Jul 2025541 PMAQI
30th Jul 2025542 PMAQI
30th Jul 2025533 PMAQI
30th Jul 2025534 PMAQI
30th Jul 2025535 PMAQI
30th Jul 2025536 PMAQI
30th Jul 2025537 PMAQI
30th Jul 2025538 PMAQI
30th Jul 2025539 PMAQI
30th Jul 20255310 PMAQI
30th Jul 20255411 PMAQI
31st Jul 20255412 AMAQI
31st Jul 2025561 AMAQI
31st Jul 2025832 AMAQI
31st Jul 20251303 AMAQI
31st Jul 20251504 AMAQI
31st Jul 20251445 AMAQI

26°C23/29°C

31st Jul 20251386 AMAQI
31st Jul 20251047 AMAQI
31st Jul 20251088 AMAQI
31st Jul 20251069 AMAQI
31st Jul 20259110 AMAQI
31st Jul 20258611 AMAQI
31st Jul 20259712 PMAQI
31st Jul 20251251 PMAQI
31st Jul 20251192 PMAQI
31st Jul 20251213 PMAQI
31st Jul 20251244 PMAQI
31st Jul 20251395 PMAQI
31st Jul 20251386 PMAQI
31st Jul 20251487 PMAQI
31st Jul 20251388 PMAQI
31st Jul 20251239 PMAQI
31st Jul 202513710 PMAQI
31st Jul 202514911 PMAQI
1st Aug 202514312 AMAQI
1st Aug 20251241 AMAQI
1st Aug 20251202 AMAQI
1st Aug 20251083 AMAQI
1st Aug 20251064 AMAQI
1st Aug 20251035 AMAQI

21°C18/27°C

1st Aug 2025996 AMAQI
1st Aug 2025997 AMAQI
1st Aug 2025938 AMAQI
1st Aug 2025849 AMAQI
1st Aug 20257210 AMAQI
1st Aug 20256711 AMAQI
1st Aug 20256012 PMAQI
1st Aug 2025551 PMAQI
1st Aug 2025542 PMAQI
1st Aug 2025573 PMAQI
1st Aug 2025594 PMAQI
1st Aug 2025595 PMAQI
1st Aug 2025546 PMAQI
1st Aug 2025507 PMAQI
1st Aug 2025428 PMAQI
1st Aug 2025669 PMAQI
1st Aug 20254910 PMAQI
1st Aug 20253811 PMAQI
2nd Aug 20253912 AMAQI
2nd Aug 2025411 AMAQI
2nd Aug 2025442 AMAQI
2nd Aug 2025433 AMAQI
2nd Aug 2025414 AMAQI
2nd Aug 2025395 AMAQI

20°C15/26°C

2nd Aug 2025426 AMAQI
2nd Aug 2025417 AMAQI
2nd Aug 2025398 AMAQI
2nd Aug 2025429 AMAQI
2nd Aug 20254210 AMAQI
2nd Aug 20254511 AMAQI
2nd Aug 20253912 PMAQI
2nd Aug 2025361 PMAQI
2nd Aug 2025332 PMAQI
2nd Aug 2025343 PMAQI
2nd Aug 2025284 PMAQI
2nd Aug 2025345 PMAQI
2nd Aug 2025416 PMAQI
2nd Aug 2025517 PMAQI
2nd Aug 2025548 PMAQI
2nd Aug 2025459 PMAQI
2nd Aug 20255010 PMAQI
2nd Aug 20256011 PMAQI
3rd Aug 20255812 AMAQI
3rd Aug 2025591 AMAQI
3rd Aug 2025562 AMAQI
3rd Aug 2025553 AMAQI

22°C14/29°C

6 AM
1 PM
9 PM
1 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
6 AM - 9 PM

52AQI

16 hours / Day
480 hours / Month
Avg. Lowest Time
6 AM - 9 PM

52AQI

16 hours / Day
480 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 9 PM (Avg. 52), while the lowest AQI was between 6 AM to 9 PM (Avg. 52).
Night time
Avg. Highest Time
12 AM - 11 PM

52AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM

52AQI

8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 52), while the lowest AQI was between 12 AM to 11 PM (Avg. 52).

2025 Days Vs Air Quality

Windsor Downtown, Windsor, Ontario, Canada

2025

81%

173

17%

37

1%

3

Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)

Good
173 Days
Moderate
37 Days
Poor
3 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 81%

Health Risk Level:

Low

In 2025, 81% 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 2025

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

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

1st January 2025
20AQI
2nd January 2025
24AQI
3rd January 2025
25AQI
4th January 2025
25AQI
5th January 2025
26AQI
6th January 2025
22AQI
7th January 2025
22AQI
8th January 2025
23AQI
9th January 2025
27AQI
10th January 2025
69AQI
11th January 2025
60AQI
12th January 2025
55AQI
13th January 2025
36AQI
14th January 2025
31AQI
15th January 2025
32AQI
16th January 2025
59AQI
17th January 2025
47AQI
18th January 2025
31AQI
19th January 2025
24AQI
20th January 2025
23AQI
21st January 2025
27AQI
22nd January 2025
32AQI
23rd January 2025
40AQI
24th January 2025
36AQI
25th January 2025
50AQI
26th January 2025
32AQI
27th January 2025
30AQI
28th January 2025
25AQI
29th January 2025
24AQI
30th January 2025
33AQI
31st January 2025
44AQI
1st February 2025
24AQI
2nd February 2025
37AQI
3rd February 2025
67AQI
4th February 2025
24AQI
5th February 2025
23AQI
6th February 2025
34AQI
7th February 2025
29AQI
8th February 2025
42AQI
9th February 2025
43AQI
10th February 2025
43AQI
11th February 2025
48AQI
12th February 2025
45AQI
13th February 2025
45AQI
14th February 2025
51AQI
15th February 2025
58AQI
16th February 2025
43AQI
17th February 2025
26AQI
18th February 2025
27AQI
19th February 2025
27AQI
20th February 2025
25AQI
21st February 2025
29AQI
22nd February 2025
57AQI
23rd February 2025
59AQI
24th February 2025
55AQI
25th February 2025
45AQI
26th February 2025
39AQI
27th February 2025
48AQI
28th February 2025
28AQI
1st March 2025
29AQI
2nd March 2025
30AQI
3rd March 2025
47AQI
4th March 2025
39AQI
5th March 2025
32AQI
6th March 2025
28AQI
7th March 2025
28AQI
8th March 2025
33AQI
9th March 2025
31AQI
10th March 2025
34AQI
11th March 2025
34AQI
12th March 2025
28AQI
13th March 2025
27AQI
14th March 2025
44AQI
15th March 2025
40AQI
16th March 2025
23AQI
17th March 2025
21AQI
18th March 2025
25AQI
19th March 2025
34AQI
20th March 2025
23AQI
21st March 2025
21AQI
22nd March 2025
19AQI
23rd March 2025
19AQI
24th March 2025
23AQI
25th March 2025
21AQI
26th March 2025
21AQI
27th March 2025
35AQI
28th March 2025
51AQI
29th March 2025
52AQI
30th March 2025
43AQI
31st March 2025
21AQI
1st April 2025
17AQI
2nd April 2025
21AQI
3rd April 2025
25AQI
4th April 2025
20AQI
5th April 2025
23AQI
6th April 2025
22AQI
7th April 2025
24AQI
8th April 2025
16AQI
9th April 2025
26AQI
10th April 2025
34AQI
11th April 2025
37AQI
12th April 2025
22AQI
13th April 2025
33AQI
14th April 2025
30AQI
15th April 2025
16AQI
16th April 2025
16AQI
17th April 2025
24AQI
18th April 2025
42AQI
19th April 2025
48AQI
20th April 2025
19AQI
21st April 2025
24AQI
22nd April 2025
17AQI
23rd April 2025
41AQI
24th April 2025
54AQI
25th April 2025
45AQI
26th April 2025
26AQI
27th April 2025
28AQI
28th April 2025
23AQI
29th April 2025
39AQI
30th April 2025
22AQI
1st May 2025
26AQI
2nd May 2025
33AQI
3rd May 2025
17AQI
4th May 2025
19AQI
5th May 2025
24AQI
6th May 2025
34AQI
7th May 2025
37AQI
8th May 2025
19AQI
9th May 2025
21AQI
10th May 2025
35AQI
11th May 2025
25AQI
12th May 2025
28AQI
13th May 2025
24AQI
14th May 2025
21AQI
15th May 2025
27AQI
16th May 2025
33AQI
17th May 2025
27AQI
18th May 2025
17AQI
19th May 2025
17AQI
20th May 2025
17AQI
21st May 2025
18AQI
22nd May 2025
15AQI
23rd May 2025
14AQI
24th May 2025
13AQI
25th May 2025
30AQI
26th May 2025
23AQI
27th May 2025
26AQI
28th May 2025
19AQI
29th May 2025
35AQI
30th May 2025
38AQI
31st May 2025
31AQI
1st June 2025
26AQI
2nd June 2025
31AQI
3rd June 2025
50AQI
4th June 2025
73AQI
5th June 2025
87AQI
6th June 2025
112AQI
7th June 2025
73AQI
8th June 2025
105AQI
9th June 2025
80AQI
10th June 2025
59AQI
11th June 2025
72AQI
12th June 2025
78AQI
13th June 2025
57AQI
14th June 2025
47AQI
15th June 2025
47AQI
16th June 2025
45AQI
17th June 2025
37AQI
18th June 2025
35AQI
19th June 2025
26AQI
20th June 2025
36AQI
21st June 2025
44AQI
22nd June 2025
48AQI
23rd June 2025
54AQI
24th June 2025
56AQI
25th June 2025
53AQI
26th June 2025
50AQI
27th June 2025
46AQI
28th June 2025
30AQI
29th June 2025
31AQI
30th June 2025
33AQI
1st July 2025
32AQI
2nd July 2025
44AQI
3rd July 2025
53AQI
4th July 2025
54AQI
5th July 2025
59AQI
6th July 2025
57AQI
7th July 2025
40AQI
8th July 2025
53AQI
9th July 2025
59AQI
10th July 2025
54AQI
11th July 2025
53AQI
12th July 2025
45AQI
13th July 2025
42AQI
14th July 2025
64AQI
15th July 2025
91AQI
16th July 2025
88AQI
17th July 2025
50AQI
18th July 2025
30AQI
19th July 2025
29AQI
20th July 2025
32AQI
21st July 2025
49AQI
22nd July 2025
30AQI
23rd July 2025
28AQI
24th July 2025
46AQI
25th July 2025
36AQI
26th July 2025
52AQI
27th July 2025
38AQI
28th July 2025
39AQI
29th July 2025
38AQI
30th July 2025
50AQI
31st July 2025
109AQI
1st August 2025
97AQI

34AQI

40AQI

31AQI

28AQI

25AQI

54AQI

50AQI

97AQI

No. of days

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

202538AQI

27
4
22
6
29
2
29
1
31
17
11
2
18
12
1
1
173
37
3

Highest AQI recorded in

August

97AQI

Lowest AQI recorded in

May

25AQI

202436AQI

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 recorded in

February

43AQI

Lowest AQI recorded in

November

31AQI

202344AQI

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 recorded in

June

79AQI

Lowest AQI recorded in

October

33AQI

202236AQI

26
5
19
2
27
4
23
1
30
1
25
5
20
3
1
24
3
28
3
26
4
26
5
275
36

Highest AQI recorded in

June

43AQI

Lowest AQI recorded in

August

30AQI

202137AQI

24
6
23
5
27
4
26
4
29
2
26
4
21
10
22
9
29
1
30
1
25
5
27
4
309
55

Highest AQI recorded in

August

44AQI

Lowest AQI recorded in

September

31AQI

202034AQI

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

Highest AQI recorded in

July

39AQI

Lowest AQI recorded in

October

26AQI

Most & Least Polluted Years Over the Last 6 Years

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

Windsor Downtown's annual 2025 AQI (38) shows an average percentage change of 0.9% (worsened AQI) compared to previous years: 2020 (34), 2021 (37), 2022 (36), 2023 (44), 2024 (36).