Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Oshawa, 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+

July Air Quality Analysis

Oshawa, Ontario, Canada

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Jul 2023
98AQI
Lowest AQI recorded on
30th Jul 2023
14AQI

Same Day Analysis (29th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 26 of Good air quality, showing improvement over 2025 and 2024 on the same day.

Day & Night AQI Trend: 29th Jul - 30th Jul 2026

Oshawa, Ontario, Canada

AQI
Day
Night
.

5 AM29th Jul 2026

8 PM

4 AM30th Jul 2026

Day time
Avg. Highest Time
8AM29th Jul

40AQI

Avg. Lowest Time
8PM29th Jul

21AQI

Night time
Avg. Highest Time
3AM30th Jul

40AQI

Avg. Lowest Time
9PM29th Jul

21AQI

In the last 24 hours,

Oshawa's AQI reached its highest point of 40 at 8 AM during the Day, while the lowest point, 21, was recorded at 9 PM during the Night between 29th Jul and 30th Jul 2026.

Day & Night AQI Trend : Jul 2026

Oshawa, Ontario, Canada

Jul
01st - 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 - 30th30th
Day
Night
1st Jul 2026255 AMAQI
1st Jul 2026266 AMAQI
1st Jul 2026267 AMAQI
1st Jul 2026268 AMAQI
1st Jul 2026269 AMAQI
1st Jul 20262810 AMAQI
1st Jul 20262811 AMAQI
1st Jul 20263012 PMAQI
1st Jul 2026301 PMAQI
1st Jul 2026302 PMAQI
1st Jul 2026293 PMAQI
1st Jul 2026284 PMAQI
1st Jul 2026265 PMAQI
1st Jul 2026266 PMAQI
1st Jul 2026667 PMAQI
1st Jul 2026288 PMAQI
1st Jul 2026289 PMAQI
1st Jul 20263710 PMAQI
1st Jul 20263611 PMAQI
2nd Jul 20263612 AMAQI
2nd Jul 2026701 AMAQI
2nd Jul 2026702 AMAQI
2nd Jul 2026723 AMAQI
2nd Jul 2026704 AMAQI

28°C21/36°C

2nd Jul 2026715 AMAQI
2nd Jul 2026676 AMAQI
2nd Jul 2026647 AMAQI
2nd Jul 2026628 AMAQI
2nd Jul 2026649 AMAQI
2nd Jul 20266410 AMAQI
2nd Jul 20266411 AMAQI
2nd Jul 20266012 PMAQI
2nd Jul 2026601 PMAQI
2nd Jul 2026682 PMAQI
2nd Jul 2026743 PMAQI
2nd Jul 2026694 PMAQI
2nd Jul 2026575 PMAQI
2nd Jul 2026416 PMAQI
2nd Jul 2026387 PMAQI
2nd Jul 2026418 PMAQI
2nd Jul 2026369 PMAQI
2nd Jul 20263610 PMAQI
2nd Jul 20263811 PMAQI
3rd Jul 20264112 AMAQI
3rd Jul 2026341 AMAQI
3rd Jul 2026302 AMAQI
3rd Jul 2026293 AMAQI
3rd Jul 2026304 AMAQI

27°C20/36°C

3rd Jul 2026285 AMAQI
3rd Jul 2026296 AMAQI
3rd Jul 2026307 AMAQI
3rd Jul 2026428 AMAQI
3rd Jul 2026419 AMAQI
3rd Jul 20263110 AMAQI
3rd Jul 20263111 AMAQI
3rd Jul 20263212 PMAQI
3rd Jul 2026301 PMAQI
3rd Jul 2026322 PMAQI
3rd Jul 2026363 PMAQI
3rd Jul 2026324 PMAQI
3rd Jul 2026305 PMAQI
3rd Jul 2026306 PMAQI
3rd Jul 2026287 PMAQI
3rd Jul 2026268 PMAQI
3rd Jul 2026269 PMAQI
3rd Jul 20262610 PMAQI
3rd Jul 20262611 PMAQI
4th Jul 20262612 AMAQI
4th Jul 2026261 AMAQI
4th Jul 2026292 AMAQI
4th Jul 2026283 AMAQI
4th Jul 2026274 AMAQI

27°C21/34°C

4th Jul 2026265 AMAQI
4th Jul 2026286 AMAQI
4th Jul 2026277 AMAQI
4th Jul 2026288 AMAQI
4th Jul 2026279 AMAQI
4th Jul 20262610 AMAQI
4th Jul 20262811 AMAQI
4th Jul 20262812 PMAQI
4th Jul 2026261 PMAQI
4th Jul 2026332 PMAQI
4th Jul 2026403 PMAQI
4th Jul 2026344 PMAQI
4th Jul 2026295 PMAQI
4th Jul 2026276 PMAQI
4th Jul 2026267 PMAQI
4th Jul 2026228 PMAQI
4th Jul 2026229 PMAQI
4th Jul 20262010 PMAQI
4th Jul 20262011 PMAQI
5th Jul 20262112 AMAQI
5th Jul 2026241 AMAQI
5th Jul 2026282 AMAQI
5th Jul 2026263 AMAQI
5th Jul 2026264 AMAQI

24°C21/29°C

5th Jul 2026255 AMAQI
5th Jul 2026266 AMAQI
5th Jul 2026247 AMAQI
5th Jul 2026258 AMAQI
5th Jul 2026249 AMAQI
5th Jul 20262810 AMAQI
5th Jul 20262711 AMAQI
5th Jul 20262812 PMAQI
5th Jul 2026291 PMAQI
5th Jul 2026292 PMAQI
5th Jul 2026253 PMAQI
5th Jul 2026264 PMAQI
5th Jul 2026265 PMAQI
5th Jul 2026266 PMAQI
5th Jul 2026267 PMAQI
5th Jul 2026218 PMAQI
5th Jul 2026489 PMAQI
5th Jul 20263610 PMAQI
5th Jul 20262111 PMAQI
6th Jul 20262012 AMAQI
6th Jul 2026221 AMAQI
6th Jul 2026262 AMAQI
6th Jul 2026263 AMAQI
6th Jul 2026224 AMAQI

22°C18/26°C

6th Jul 2026225 AMAQI
6th Jul 2026236 AMAQI
6th Jul 2026277 AMAQI
6th Jul 2026288 AMAQI
6th Jul 2026309 AMAQI
6th Jul 20263010 AMAQI
6th Jul 20263211 AMAQI
6th Jul 20263212 PMAQI
6th Jul 2026331 PMAQI
6th Jul 2026322 PMAQI
6th Jul 2026293 PMAQI
6th Jul 2026304 PMAQI
6th Jul 2026315 PMAQI
6th Jul 2026306 PMAQI
6th Jul 2026327 PMAQI
6th Jul 2026278 PMAQI
6th Jul 2026279 PMAQI
6th Jul 20262510 PMAQI
6th Jul 20262411 PMAQI
7th Jul 20262412 AMAQI
7th Jul 2026261 AMAQI
7th Jul 2026302 AMAQI
7th Jul 2026283 AMAQI
7th Jul 2026554 AMAQI

22°C16/28°C

7th Jul 2026435 AMAQI
7th Jul 2026306 AMAQI
7th Jul 2026297 AMAQI
7th Jul 2026308 AMAQI
7th Jul 2026309 AMAQI
7th Jul 20262810 AMAQI
7th Jul 20263211 AMAQI
7th Jul 20263412 PMAQI
7th Jul 2026321 PMAQI
7th Jul 2026302 PMAQI
7th Jul 2026303 PMAQI
7th Jul 2026314 PMAQI
7th Jul 2026305 PMAQI
7th Jul 2026306 PMAQI
7th Jul 2026307 PMAQI
7th Jul 2026298 PMAQI
7th Jul 2026289 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20262611 PMAQI
8th Jul 20262512 AMAQI
8th Jul 2026281 AMAQI
8th Jul 2026292 AMAQI
8th Jul 2026293 AMAQI
8th Jul 2026264 AMAQI

23°C19/30°C

8th Jul 2026255 AMAQI
8th Jul 2026556 AMAQI
8th Jul 2026207 AMAQI
8th Jul 2026228 AMAQI
8th Jul 2026259 AMAQI
8th Jul 20262810 AMAQI
8th Jul 20263011 AMAQI
8th Jul 20263112 PMAQI
8th Jul 2026291 PMAQI
8th Jul 2026302 PMAQI
8th Jul 2026293 PMAQI
8th Jul 2026304 PMAQI
8th Jul 2026295 PMAQI
8th Jul 2026306 PMAQI
8th Jul 2026287 PMAQI
8th Jul 2026248 PMAQI
8th Jul 2026269 PMAQI
8th Jul 20262410 PMAQI
8th Jul 20262311 PMAQI
9th Jul 20262212 AMAQI
9th Jul 2026261 AMAQI
9th Jul 2026272 AMAQI
9th Jul 2026303 AMAQI
9th Jul 2026384 AMAQI

24°C18/31°C

9th Jul 2026395 AMAQI
9th Jul 2026436 AMAQI
9th Jul 2026387 AMAQI
9th Jul 2026378 AMAQI
9th Jul 2026399 AMAQI
9th Jul 20263910 AMAQI
9th Jul 20263611 AMAQI
9th Jul 20263312 PMAQI
9th Jul 2026341 PMAQI
9th Jul 2026322 PMAQI
9th Jul 2026283 PMAQI
9th Jul 2026324 PMAQI
9th Jul 2026315 PMAQI
9th Jul 2026286 PMAQI
9th Jul 2026327 PMAQI
9th Jul 2026308 PMAQI
9th Jul 2026319 PMAQI
9th Jul 20263010 PMAQI
9th Jul 20263011 PMAQI
10th Jul 20262612 AMAQI
10th Jul 2026241 AMAQI
10th Jul 2026252 AMAQI
10th Jul 2026263 AMAQI
10th Jul 2026324 AMAQI

24°C19/30°C

10th Jul 2026325 AMAQI
10th Jul 2026326 AMAQI
10th Jul 2026327 AMAQI
10th Jul 2026338 AMAQI
10th Jul 2026359 AMAQI
10th Jul 20263610 AMAQI
10th Jul 20263411 AMAQI
10th Jul 20263812 PMAQI
10th Jul 2026341 PMAQI
10th Jul 2026352 PMAQI
10th Jul 2026303 PMAQI
10th Jul 2026354 PMAQI
10th Jul 2026345 PMAQI
10th Jul 2026336 PMAQI
10th Jul 2026357 PMAQI
10th Jul 2026378 PMAQI
10th Jul 2026389 PMAQI
10th Jul 20263210 PMAQI
10th Jul 20262911 PMAQI
11th Jul 20265912 AMAQI
11th Jul 2026521 AMAQI
11th Jul 2026382 AMAQI
11th Jul 2026283 AMAQI
11th Jul 2026344 AMAQI

23°C19/29°C

11th Jul 2026335 AMAQI
11th Jul 2026306 AMAQI
11th Jul 2026307 AMAQI
11th Jul 2026308 AMAQI
11th Jul 2026349 AMAQI
11th Jul 20263310 AMAQI
11th Jul 20263211 AMAQI
11th Jul 20263412 PMAQI
11th Jul 2026341 PMAQI
11th Jul 2026332 PMAQI
11th Jul 2026403 PMAQI
11th Jul 2026564 PMAQI
11th Jul 2026525 PMAQI
11th Jul 2026516 PMAQI
11th Jul 2026527 PMAQI
11th Jul 2026488 PMAQI
11th Jul 2026489 PMAQI
11th Jul 20264710 PMAQI
11th Jul 20264911 PMAQI
12th Jul 20265412 AMAQI
12th Jul 2026581 AMAQI
12th Jul 2026552 AMAQI
12th Jul 2026583 AMAQI
12th Jul 2026614 AMAQI

24°C18/30°C

12th Jul 2026605 AMAQI
12th Jul 2026566 AMAQI
12th Jul 2026567 AMAQI
12th Jul 2026588 AMAQI
12th Jul 2026609 AMAQI
12th Jul 20264710 AMAQI
12th Jul 20263711 AMAQI
12th Jul 20264112 PMAQI
12th Jul 2026871 PMAQI
12th Jul 2026902 PMAQI
12th Jul 2026823 PMAQI
12th Jul 2026944 PMAQI
12th Jul 2026825 PMAQI
12th Jul 2026846 PMAQI
12th Jul 2026757 PMAQI
12th Jul 2026698 PMAQI
12th Jul 2026619 PMAQI
12th Jul 20265610 PMAQI
12th Jul 20265211 PMAQI
13th Jul 20265212 AMAQI
13th Jul 2026541 AMAQI
13th Jul 2026562 AMAQI
13th Jul 2026563 AMAQI
13th Jul 2026544 AMAQI

22°C16/29°C

13th Jul 2026505 AMAQI
13th Jul 2026486 AMAQI
13th Jul 2026467 AMAQI
13th Jul 2026438 AMAQI
13th Jul 2026439 AMAQI
13th Jul 20264810 AMAQI
13th Jul 20266011 AMAQI
13th Jul 20266612 PMAQI
13th Jul 2026661 PMAQI
13th Jul 2026622 PMAQI
13th Jul 2026623 PMAQI
13th Jul 2026584 PMAQI
13th Jul 2026525 PMAQI
13th Jul 2026496 PMAQI
13th Jul 2026467 PMAQI
13th Jul 2026448 PMAQI
13th Jul 2026469 PMAQI
13th Jul 20264510 PMAQI
13th Jul 20264411 PMAQI
14th Jul 20265012 AMAQI
14th Jul 2026461 AMAQI
14th Jul 2026372 AMAQI
14th Jul 2026373 AMAQI
14th Jul 2026374 AMAQI

23°C17/30°C

14th Jul 2026375 AMAQI
14th Jul 2026366 AMAQI
14th Jul 2026377 AMAQI
14th Jul 2026408 AMAQI
14th Jul 2026439 AMAQI
14th Jul 20265010 AMAQI
14th Jul 20265411 AMAQI
14th Jul 20265512 PMAQI
14th Jul 2026521 PMAQI
14th Jul 2026462 PMAQI
14th Jul 2026383 PMAQI
14th Jul 2026384 PMAQI
14th Jul 2026375 PMAQI
14th Jul 2026346 PMAQI
14th Jul 2026377 PMAQI
14th Jul 2026458 PMAQI
14th Jul 2026569 PMAQI
14th Jul 20265710 PMAQI
14th Jul 20266111 PMAQI
15th Jul 20265912 AMAQI
15th Jul 2026441 AMAQI
15th Jul 2026422 AMAQI
15th Jul 2026633 AMAQI
15th Jul 2026774 AMAQI

30°C20/41°C

15th Jul 2026775 AMAQI
15th Jul 2026586 AMAQI
15th Jul 2026507 AMAQI
15th Jul 2026528 AMAQI
15th Jul 2026549 AMAQI
15th Jul 20265310 AMAQI
15th Jul 20265111 AMAQI
15th Jul 20264712 PMAQI
15th Jul 2026491 PMAQI
15th Jul 2026682 PMAQI
15th Jul 2026833 PMAQI
15th Jul 20261244 PMAQI
15th Jul 2026835 PMAQI
15th Jul 2026686 PMAQI
15th Jul 2026527 PMAQI
15th Jul 2026528 PMAQI
15th Jul 2026539 PMAQI
15th Jul 20265210 PMAQI
15th Jul 20265611 PMAQI
16th Jul 20266812 AMAQI
16th Jul 2026741 AMAQI
16th Jul 2026762 AMAQI
16th Jul 2026743 AMAQI
16th Jul 2026774 AMAQI

25°C20/30°C

16th Jul 2026805 AMAQI
16th Jul 2026886 AMAQI
16th Jul 2026877 AMAQI
16th Jul 2026888 AMAQI
16th Jul 2026869 AMAQI
16th Jul 20268810 AMAQI
16th Jul 20269211 AMAQI
16th Jul 20268412 PMAQI
16th Jul 2026801 PMAQI
16th Jul 2026852 PMAQI
16th Jul 2026903 PMAQI
16th Jul 2026844 PMAQI
16th Jul 2026895 PMAQI
16th Jul 2026886 PMAQI
16th Jul 2026817 PMAQI
16th Jul 2026868 PMAQI
16th Jul 2026919 PMAQI
16th Jul 20268410 PMAQI
16th Jul 20268011 PMAQI
17th Jul 20267612 AMAQI
17th Jul 2026781 AMAQI
17th Jul 2026722 AMAQI
17th Jul 2026783 AMAQI
17th Jul 2026904 AMAQI

24°C18/33°C

17th Jul 20261055 AMAQI
17th Jul 20261066 AMAQI
17th Jul 2026987 AMAQI
17th Jul 2026818 AMAQI
17th Jul 2026729 AMAQI
17th Jul 20267510 AMAQI
17th Jul 20266811 AMAQI
17th Jul 20266312 PMAQI
17th Jul 2026641 PMAQI
17th Jul 2026622 PMAQI
17th Jul 2026623 PMAQI
17th Jul 2026644 PMAQI
17th Jul 2026585 PMAQI
17th Jul 2026576 PMAQI
17th Jul 2026587 PMAQI
17th Jul 2026588 PMAQI
17th Jul 2026589 PMAQI
17th Jul 20265310 PMAQI
17th Jul 20265511 PMAQI
18th Jul 20265812 AMAQI
18th Jul 2026621 AMAQI
18th Jul 2026392 AMAQI
18th Jul 2026463 AMAQI
18th Jul 2026624 AMAQI

22°C16/28°C

18th Jul 2026625 AMAQI
18th Jul 2026666 AMAQI
18th Jul 2026767 AMAQI
18th Jul 2026708 AMAQI
18th Jul 2026719 AMAQI
18th Jul 20268210 AMAQI
18th Jul 20269211 AMAQI
18th Jul 202610512 PMAQI
18th Jul 20261121 PMAQI
18th Jul 2026342 PMAQI
18th Jul 2026363 PMAQI
18th Jul 2026224 PMAQI
18th Jul 2026585 PMAQI
18th Jul 2026576 PMAQI
18th Jul 20261017 PMAQI
18th Jul 2026678 PMAQI
18th Jul 2026609 PMAQI
18th Jul 20266410 PMAQI
18th Jul 20269111 PMAQI
19th Jul 20265712 AMAQI
19th Jul 2026521 AMAQI
19th Jul 2026522 AMAQI
19th Jul 2026503 AMAQI
19th Jul 2026584 AMAQI

23°C18/29°C

19th Jul 2026625 AMAQI
19th Jul 2026746 AMAQI
19th Jul 2026607 AMAQI
19th Jul 2026618 AMAQI
19th Jul 2026569 AMAQI
19th Jul 20264910 AMAQI
19th Jul 20262611 AMAQI
19th Jul 20262612 PMAQI
19th Jul 2026261 PMAQI
19th Jul 2026232 PMAQI
19th Jul 2026263 PMAQI
19th Jul 2026284 PMAQI
19th Jul 2026265 PMAQI
19th Jul 2026406 PMAQI
19th Jul 2026247 PMAQI
19th Jul 2026268 PMAQI
19th Jul 2026279 PMAQI
19th Jul 20263310 PMAQI
19th Jul 20263411 PMAQI
20th Jul 20262612 AMAQI
20th Jul 2026361 AMAQI
20th Jul 2026342 AMAQI
20th Jul 2026483 AMAQI
20th Jul 2026404 AMAQI

20°C14/25°C

20th Jul 2026375 AMAQI
20th Jul 2026356 AMAQI
20th Jul 2026737 AMAQI
20th Jul 2026338 AMAQI
20th Jul 2026389 AMAQI
20th Jul 20262810 AMAQI
20th Jul 20262811 AMAQI
20th Jul 20262612 PMAQI
20th Jul 2026241 PMAQI
20th Jul 2026262 PMAQI
20th Jul 2026253 PMAQI
20th Jul 2026344 PMAQI
20th Jul 2026275 PMAQI
20th Jul 2026246 PMAQI
20th Jul 2026437 PMAQI
20th Jul 2026458 PMAQI
20th Jul 2026689 PMAQI
20th Jul 20265610 PMAQI
21st Jul 20265912 AMAQI
21st Jul 2026901 AMAQI
21st Jul 2026762 AMAQI
21st Jul 2026903 AMAQI
21st Jul 2026804 AMAQI

20°C13/27°C

21st Jul 2026845 AMAQI
21st Jul 2026716 AMAQI
21st Jul 2026787 AMAQI
21st Jul 2026758 AMAQI
21st Jul 2026789 AMAQI
21st Jul 20268010 AMAQI
21st Jul 20267011 AMAQI
21st Jul 20267812 PMAQI
21st Jul 2026841 PMAQI
21st Jul 2026842 PMAQI
21st Jul 2026563 PMAQI
21st Jul 2026474 PMAQI
21st Jul 2026255 PMAQI
21st Jul 2026226 PMAQI
21st Jul 2026267 PMAQI
21st Jul 2026248 PMAQI
21st Jul 2026309 PMAQI
21st Jul 20262410 PMAQI
21st Jul 20262511 PMAQI
22nd Jul 20262212 AMAQI
22nd Jul 2026211 AMAQI
22nd Jul 2026342 AMAQI
22nd Jul 2026303 AMAQI
22nd Jul 2026354 AMAQI

20°C18/24°C

22nd Jul 2026345 AMAQI
22nd Jul 2026316 AMAQI
22nd Jul 2026387 AMAQI
22nd Jul 2026348 AMAQI
22nd Jul 2026249 AMAQI
22nd Jul 20262610 AMAQI
22nd Jul 20262611 AMAQI
22nd Jul 20262312 PMAQI
22nd Jul 2026241 PMAQI
22nd Jul 2026202 PMAQI
22nd Jul 2026223 PMAQI
22nd Jul 2026224 PMAQI
22nd Jul 2026225 PMAQI
22nd Jul 2026206 PMAQI
22nd Jul 2026397 PMAQI
22nd Jul 2026248 PMAQI
22nd Jul 2026269 PMAQI
22nd Jul 20262210 PMAQI
22nd Jul 20264011 PMAQI
23rd Jul 20263412 AMAQI
23rd Jul 2026211 AMAQI
23rd Jul 2026362 AMAQI
23rd Jul 2026443 AMAQI
23rd Jul 2026324 AMAQI

18°C14/24°C

23rd Jul 2026305 AMAQI
23rd Jul 2026366 AMAQI
23rd Jul 2026407 AMAQI
23rd Jul 2026398 AMAQI
23rd Jul 2026409 AMAQI
23rd Jul 20262610 AMAQI
23rd Jul 20262711 AMAQI
23rd Jul 20262512 PMAQI
23rd Jul 2026251 PMAQI
23rd Jul 2026252 PMAQI
23rd Jul 2026273 PMAQI
23rd Jul 2026264 PMAQI
23rd Jul 2026255 PMAQI
23rd Jul 2026296 PMAQI
23rd Jul 2026247 PMAQI
23rd Jul 2026248 PMAQI
23rd Jul 2026269 PMAQI
23rd Jul 20262310 PMAQI
23rd Jul 20262411 PMAQI
24th Jul 20262512 AMAQI
24th Jul 2026321 AMAQI
24th Jul 2026232 AMAQI
24th Jul 2026283 AMAQI
24th Jul 2026254 AMAQI

18°C12/26°C

24th Jul 2026285 AMAQI
24th Jul 2026256 AMAQI
24th Jul 2026267 AMAQI
24th Jul 2026368 AMAQI
24th Jul 2026349 AMAQI
24th Jul 20262910 AMAQI
24th Jul 20263811 AMAQI
24th Jul 20263412 PMAQI
24th Jul 2026461 PMAQI
24th Jul 2026372 PMAQI
24th Jul 2026343 PMAQI
24th Jul 2026264 PMAQI
24th Jul 2026255 PMAQI
24th Jul 2026246 PMAQI
24th Jul 2026277 PMAQI
24th Jul 2026248 PMAQI
24th Jul 2026269 PMAQI
24th Jul 20263810 PMAQI
24th Jul 20262111 PMAQI
25th Jul 20262112 AMAQI
25th Jul 2026211 AMAQI
25th Jul 2026222 AMAQI
25th Jul 2026233 AMAQI
25th Jul 2026304 AMAQI

20°C13/28°C

25th Jul 2026255 AMAQI
25th Jul 2026236 AMAQI
25th Jul 2026227 AMAQI
25th Jul 2026248 AMAQI
25th Jul 2026249 AMAQI
25th Jul 20262310 AMAQI
25th Jul 20262211 AMAQI
25th Jul 20263212 PMAQI
25th Jul 2026221 PMAQI
25th Jul 2026232 PMAQI
25th Jul 2026253 PMAQI
25th Jul 2026244 PMAQI
25th Jul 2026225 PMAQI
25th Jul 2026226 PMAQI
25th Jul 2026237 PMAQI
25th Jul 2026258 PMAQI
25th Jul 2026229 PMAQI
25th Jul 20263910 PMAQI
25th Jul 20263611 PMAQI
26th Jul 20263612 AMAQI
26th Jul 2026361 AMAQI
26th Jul 2026412 AMAQI
26th Jul 2026413 AMAQI
26th Jul 2026424 AMAQI

21°C15/29°C

26th Jul 2026525 AMAQI
26th Jul 2026486 AMAQI
26th Jul 2026417 AMAQI
26th Jul 2026408 AMAQI
26th Jul 2026369 AMAQI
26th Jul 20263910 AMAQI
26th Jul 20264011 AMAQI
26th Jul 20264312 PMAQI
26th Jul 2026471 PMAQI
26th Jul 2026492 PMAQI
26th Jul 2026423 PMAQI
26th Jul 2026454 PMAQI
26th Jul 2026475 PMAQI
26th Jul 2026456 PMAQI
26th Jul 2026487 PMAQI
26th Jul 2026468 PMAQI
26th Jul 2026469 PMAQI
26th Jul 20264610 PMAQI
26th Jul 20264811 PMAQI
27th Jul 20265012 AMAQI
27th Jul 2026501 AMAQI
27th Jul 2026512 AMAQI
27th Jul 2026533 AMAQI
27th Jul 2026544 AMAQI

23°C17/29°C

27th Jul 2026525 AMAQI
27th Jul 2026526 AMAQI
27th Jul 2026527 AMAQI
27th Jul 2026548 AMAQI
27th Jul 2026559 AMAQI
27th Jul 20265510 AMAQI
27th Jul 20265311 AMAQI
27th Jul 20265312 PMAQI
27th Jul 2026511 PMAQI
27th Jul 2026502 PMAQI
27th Jul 2026493 PMAQI
27th Jul 2026484 PMAQI
27th Jul 2026505 PMAQI
27th Jul 2026526 PMAQI
27th Jul 2026547 PMAQI
27th Jul 2026538 PMAQI
27th Jul 2026569 PMAQI
27th Jul 20265810 PMAQI
27th Jul 20265911 PMAQI
28th Jul 20266012 AMAQI
28th Jul 2026541 AMAQI
28th Jul 2026542 AMAQI
28th Jul 2026543 AMAQI
28th Jul 2026524 AMAQI

23°C17/30°C

28th Jul 2026505 AMAQI
28th Jul 2026506 AMAQI
28th Jul 2026497 AMAQI
28th Jul 2026528 AMAQI
28th Jul 2026549 AMAQI
28th Jul 20265510 AMAQI
28th Jul 20265411 AMAQI
28th Jul 20265312 PMAQI
28th Jul 2026521 PMAQI
28th Jul 2026522 PMAQI
28th Jul 2026503 PMAQI
28th Jul 2026474 PMAQI
28th Jul 2026415 PMAQI
28th Jul 2026386 PMAQI
28th Jul 2026387 PMAQI
28th Jul 2026388 PMAQI
28th Jul 2026409 PMAQI
28th Jul 20263610 PMAQI
28th Jul 20263411 PMAQI
29th Jul 20262512 AMAQI
29th Jul 2026231 AMAQI
29th Jul 2026242 AMAQI
29th Jul 2026233 AMAQI
29th Jul 2026214 AMAQI

22°C19/28°C

29th Jul 2026245 AMAQI
29th Jul 2026266 AMAQI
29th Jul 2026367 AMAQI
29th Jul 2026408 AMAQI
29th Jul 2026409 AMAQI
29th Jul 20263110 AMAQI
29th Jul 20262311 AMAQI
29th Jul 20262312 PMAQI
29th Jul 2026221 PMAQI
29th Jul 2026212 PMAQI
29th Jul 2026223 PMAQI
29th Jul 2026214 PMAQI
29th Jul 2026225 PMAQI
29th Jul 2026236 PMAQI
29th Jul 2026387 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026219 PMAQI
29th Jul 20262210 PMAQI
29th Jul 20262411 PMAQI
30th Jul 20262512 AMAQI
30th Jul 2026271 AMAQI
30th Jul 2026332 AMAQI
30th Jul 2026403 AMAQI
30th Jul 2026384 AMAQI

22°C17/29°C

30th Jul 2026275 AMAQI
5 AM
30th Jul 2026276 AMAQI
30th Jul 2026277 AMAQI
30th Jul 2026258 AMAQI
30th Jul 2026229 AMAQI
30th Jul 20262510 AMAQI
30th Jul 20262511 AMAQI
30th Jul 20262512 PMAQI
12 PM
30th Jul 2026251 PMAQI
30th Jul 2026252 PMAQI
30th Jul 2026253 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026285 PMAQI
30th Jul 2026236 PMAQI
30th Jul 2026257 PMAQI
30th Jul 2026278 PMAQI
8 PM
30th Jul 2026369 PMAQI
30th Jul 20263410 PMAQI
30th Jul 20263411 PMAQI
12 AM
4 AM

22°C16/29°C

Day time
Avg. Highest Time
5 AM - 1 PM

44AQI

9 hours / Day
270 hours / Month
Avg. Lowest Time
6 PM

38AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 1 PM (Avg. 44), while the lowest AQI was between 6 PM to 6 PM (Avg. 38).
Night time
Avg. Highest Time
4 AM

45AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
12 AM

39AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 4 AM (Avg. 45), while the lowest AQI was between 12 AM to 12 AM (Avg. 39).

2026 Days Vs Air Quality

Oshawa, Ontario, Canada

2026

89%

185

11%

22

Total number of days with different AQI categories in last 211 days in 2026 (154 days remaining)

Good
185 Days
Moderate
22 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 89%

Health Risk Level:

Low

In 2026, 89% of 211 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

Oshawa, 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
11AQI (US)
2nd January 2026
10AQI (US)
3rd January 2026
11AQI (US)
4th January 2026
42AQI (US)
5th January 2026
47AQI (US)
6th January 2026
76AQI (US)
7th January 2026
70AQI (US)
8th January 2026
74AQI (US)
9th January 2026
33AQI (US)
10th January 2026
14AQI (US)
11th January 2026
18AQI (US)
12th January 2026
34AQI (US)
13th January 2026
44AQI (US)
14th January 2026
31AQI (US)
15th January 2026
16AQI (US)
16th January 2026
24AQI (US)
17th January 2026
42AQI (US)
18th January 2026
33AQI (US)
19th January 2026
36AQI (US)
20th January 2026
19AQI (US)
21st January 2026
35AQI (US)
22nd January 2026
59AQI (US)
23rd January 2026
60AQI (US)
24th January 2026
48AQI (US)
25th January 2026
50AQI (US)
26th January 2026
48AQI (US)
27th January 2026
40AQI (US)
28th January 2026
44AQI (US)
29th January 2026
50AQI (US)
30th January 2026
56AQI (US)
31st January 2026
46AQI (US)
1st February 2026
46AQI (US)
2nd February 2026
50AQI (US)
3rd February 2026
48AQI (US)
4th February 2026
44AQI (US)
5th February 2026
52AQI (US)
6th February 2026
49AQI (US)
7th February 2026
40AQI (US)
8th February 2026
44AQI (US)
9th February 2026
48AQI (US)
10th February 2026
45AQI (US)
11th February 2026
40AQI (US)
12th February 2026
40AQI (US)
13th February 2026
48AQI (US)
14th February 2026
50AQI (US)
15th February 2026
44AQI (US)
16th February 2026
46AQI (US)
17th February 2026
54AQI (US)
18th February 2026
44AQI (US)
19th February 2026
42AQI (US)
20th February 2026
40AQI (US)
21st February 2026
38AQI (US)
22nd February 2026
36AQI (US)
23rd February 2026
40AQI (US)
24th February 2026
46AQI (US)
25th February 2026
46AQI (US)
26th February 2026
36AQI (US)
27th February 2026
38AQI (US)
28th February 2026
38AQI (US)
1st March 2026
39AQI (US)
2nd March 2026
62AQI (US)
3rd March 2026
47AQI (US)
4th March 2026
48AQI (US)
5th March 2026
42AQI (US)
6th March 2026
35AQI (US)
7th March 2026
44AQI (US)
8th March 2026
41AQI (US)
9th March 2026
39AQI (US)
10th March 2026
37AQI (US)
11th March 2026
45AQI (US)
12th March 2026
40AQI (US)
13th March 2026
43AQI (US)
14th March 2026
36AQI (US)
15th March 2026
33AQI (US)
16th March 2026
38AQI (US)
17th March 2026
35AQI (US)
18th March 2026
32AQI (US)
19th March 2026
39AQI (US)
20th March 2026
44AQI (US)
21st March 2026
41AQI (US)
22nd March 2026
36AQI (US)
23rd March 2026
40AQI (US)
24th March 2026
38AQI (US)
25th March 2026
36AQI (US)
26th March 2026
37AQI (US)
27th March 2026
28AQI (US)
28th March 2026
31AQI (US)
29th March 2026
30AQI (US)
30th March 2026
27AQI (US)
31st March 2026
28AQI (US)
1st April 2026
32AQI (US)
2nd April 2026
31AQI (US)
3rd April 2026
29AQI (US)
4th April 2026
32AQI (US)
5th April 2026
30AQI (US)
6th April 2026
32AQI (US)
7th April 2026
27AQI (US)
8th April 2026
34AQI (US)
9th April 2026
30AQI (US)
10th April 2026
32AQI (US)
11th April 2026
30AQI (US)
12th April 2026
29AQI (US)
13th April 2026
33AQI (US)
14th April 2026
39AQI (US)
15th April 2026
37AQI (US)
16th April 2026
32AQI (US)
17th April 2026
18th April 2026
30AQI (US)
19th April 2026
32AQI (US)
20th April 2026
28AQI (US)
21st April 2026
28AQI (US)
22nd April 2026
23rd April 2026
24AQI (US)
24th April 2026
25AQI (US)
25th April 2026
28AQI (US)
26th April 2026
33AQI (US)
27th April 2026
27AQI (US)
28th April 2026
26AQI (US)
29th April 2026
24AQI (US)
30th April 2026
26AQI (US)
1st May 2026
26AQI (US)
2nd May 2026
24AQI (US)
3rd May 2026
23AQI (US)
4th May 2026
35AQI (US)
5th May 2026
37AQI (US)
6th May 2026
30AQI (US)
7th May 2026
26AQI (US)
8th May 2026
30AQI (US)
9th May 2026
10th May 2026
31AQI (US)
11th May 2026
27AQI (US)
12th May 2026
26AQI (US)
13th May 2026
36AQI (US)
14th May 2026
22AQI (US)
15th May 2026
44AQI (US)
16th May 2026
48AQI (US)
17th May 2026
78AQI (US)
18th May 2026
60AQI (US)
19th May 2026
46AQI (US)
20th May 2026
51AQI (US)
21st May 2026
44AQI (US)
22nd May 2026
44AQI (US)
23rd May 2026
51AQI (US)
24th May 2026
44AQI (US)
25th May 2026
46AQI (US)
26th May 2026
40AQI (US)
27th May 2026
28AQI (US)
28th May 2026
28AQI (US)
29th May 2026
26AQI (US)
30th May 2026
28AQI (US)
31st May 2026
30AQI (US)
1st June 2026
31AQI (US)
2nd June 2026
32AQI (US)
3rd June 2026
32AQI (US)
4th June 2026
35AQI (US)
5th June 2026
45AQI (US)
6th June 2026
36AQI (US)
7th June 2026
26AQI (US)
8th June 2026
26AQI (US)
9th June 2026
36AQI (US)
10th June 2026
35AQI (US)
11th June 2026
36AQI (US)
12th June 2026
27AQI (US)
13th June 2026
26AQI (US)
14th June 2026
26AQI (US)
15th June 2026
26AQI (US)
16th June 2026
28AQI (US)
17th June 2026
28AQI (US)
18th June 2026
28AQI (US)
19th June 2026
26AQI (US)
20th June 2026
24AQI (US)
21st June 2026
22AQI (US)
22nd June 2026
25AQI (US)
23rd June 2026
25AQI (US)
24th June 2026
24AQI (US)
25th June 2026
33AQI (US)
26th June 2026
40AQI (US)
27th June 2026
32AQI (US)
28th June 2026
37AQI (US)
29th June 2026
36AQI (US)
30th June 2026
26AQI (US)
1st July 2026
30AQI (US)
2nd July 2026
58AQI (US)
3rd July 2026
31AQI (US)
4th July 2026
27AQI (US)
5th July 2026
26AQI (US)
6th July 2026
28AQI (US)
7th July 2026
31AQI (US)
8th July 2026
28AQI (US)
9th July 2026
32AQI (US)
10th July 2026
32AQI (US)
11th July 2026
41AQI (US)
12th July 2026
64AQI (US)
13th July 2026
52AQI (US)
14th July 2026
44AQI (US)
15th July 2026
61AQI (US)
16th July 2026
84AQI (US)
17th July 2026
72AQI (US)
18th July 2026
66AQI (US)
19th July 2026
42AQI (US)
20th July 2026
37AQI (US)
21st July 2026
60AQI (US)
22nd July 2026
28AQI (US)
23rd July 2026
30AQI (US)
24th July 2026
30AQI (US)
25th July 2026
25AQI (US)
26th July 2026
44AQI (US)
27th July 2026
52AQI (US)
28th July 2026
48AQI (US)
29th July 2026
26AQI (US)
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
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

39AQI (US)

44AQI (US)

38AQI (US)

30AQI (US)

37AQI (US)

30AQI (US)

42AQI (US)

No. of days

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

202637AQI (US)

25
6
26
2
30
1
28
26
4
30
20
9
185
22

Highest AQI (US) recorded in

February

44AQI (US)

Lowest AQI (US) recorded in

June

30AQI (US)

202534AQI (US)

27
4
25
3
30
1
30
31
20
10
24
7
18
12
1
28
2
28
3
27
3
22
9
310
54
1

Highest AQI (US) recorded in

August

48AQI (US)

Lowest AQI (US) recorded in

May

21AQI (US)

202430AQI (US)

29
2
29
31
30
30
1
26
1
1
29
2
25
6
30
28
3
30
29
2
346
17
1

Highest AQI (US) recorded in

June

37AQI (US)

Lowest AQI (US) recorded in

November

23AQI (US)

202335AQI (US)

30
28
31
27
3
30
1
16
12
1
1
25
6
27
4
28
2
30
1
29
25
6
326
35
1
1

Highest AQI (US) recorded in

June

61AQI (US)

Lowest AQI (US) recorded in

October

28AQI (US)

202229AQI (US)

29
1
20
1
30
1
28
1
31
30
23
1
28
31
26
4
31
308
8

Highest AQI (US) recorded in

January

34AQI (US)

Lowest AQI (US) recorded in

August

19AQI (US)

202131AQI (US)

24
5
26
2
30
1
30
29
2
28
2
26
5
30
1
30
31
30
29
2
343
20

Highest AQI (US) recorded in

June

35AQI (US)

Lowest AQI (US) recorded in

September

22AQI (US)

202030AQI (US)

13
21
17
1
28
2
30
1
30
1
29
1
31
26
4
27
4
252
14

Highest AQI (US) recorded in

May

34AQI (US)

Lowest AQI (US) recorded in

October

23AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2026(Avg.)
37AQI (US)
Least Polluted Year Recorded
2022(Avg.)
29AQI (US)

Oshawa's annual 2026 AQI (US) (37) shows an average percentage change of 18.02% (worsened AQI (US)) compared to previous years: 2020 (30), 2021 (31), 2022 (29), 2023 (35), 2024 (30), 2025 (34).