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+
August Air Quality Analysis
Oshawa, Ontario, Canada
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2023
68AQILowest AQI recorded on
31st Aug 2023
15AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 31 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Oshawa, Ontario, Canada
AQI
Day
Night
.
5 AM2nd Aug 2025
8 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
8PM2nd Aug
70AQI
Avg. Lowest Time
8AM2nd Aug
27AQI
Night time
Avg. Highest Time
3AM3rd Aug
102AQI
Avg. Lowest Time
5AM2nd Aug
28AQI
In the last 24 hours,
Oshawa's AQI reached its highest point of 102 at 3 AM during the Night, while the lowest point, 27, was recorded at 8 AM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Oshawa, 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 2025325 AMAQI
4th Jul 2025366 AMAQI
4th Jul 2025347 AMAQI
4th Jul 2025378 AMAQI
4th Jul 2025369 AMAQI
4th Jul 20253710 AMAQI
4th Jul 20253711 AMAQI
4th Jul 20253412 PMAQI
4th Jul 2025351 PMAQI
4th Jul 2025342 PMAQI
4th Jul 2025343 PMAQI
4th Jul 2025354 PMAQI
4th Jul 2025355 PMAQI
4th Jul 2025356 PMAQI
4th Jul 2025337 PMAQI
4th Jul 2025338 PMAQI
4th Jul 2025369 PMAQI
4th Jul 20253710 PMAQI
4th Jul 20253711 PMAQI
5th Jul 20253912 AMAQI
5th Jul 2025431 AMAQI
5th Jul 2025412 AMAQI
5th Jul 2025433 AMAQI
5th Jul 2025444 AMAQI
18°C11/25°C
5th Jul 2025405 AMAQI
5th Jul 2025406 AMAQI
5th Jul 2025427 AMAQI
5th Jul 2025458 AMAQI
5th Jul 2025439 AMAQI
5th Jul 20254510 AMAQI
5th Jul 20254811 AMAQI
5th Jul 20255012 PMAQI
5th Jul 2025511 PMAQI
5th Jul 2025512 PMAQI
5th Jul 2025503 PMAQI
5th Jul 2025504 PMAQI
5th Jul 2025485 PMAQI
5th Jul 2025496 PMAQI
5th Jul 2025487 PMAQI
5th Jul 2025508 PMAQI
5th Jul 2025499 PMAQI
5th Jul 20255010 PMAQI
5th Jul 20254611 PMAQI
6th Jul 20254612 AMAQI
6th Jul 2025511 AMAQI
6th Jul 2025522 AMAQI
6th Jul 2025523 AMAQI
6th Jul 2025524 AMAQI
21°C15/28°C
6th Jul 2025525 AMAQI
6th Jul 2025546 AMAQI
6th Jul 2025537 AMAQI
6th Jul 2025538 AMAQI
6th Jul 2025539 AMAQI
6th Jul 20255410 AMAQI
6th Jul 20255411 AMAQI
6th Jul 20255412 PMAQI
6th Jul 2025541 PMAQI
6th Jul 2025532 PMAQI
6th Jul 2025533 PMAQI
6th Jul 2025524 PMAQI
6th Jul 2025545 PMAQI
6th Jul 2025526 PMAQI
6th Jul 2025527 PMAQI
6th Jul 2025528 PMAQI
6th Jul 2025539 PMAQI
6th Jul 20255310 PMAQI
6th Jul 20255311 PMAQI
7th Jul 20255312 AMAQI
7th Jul 2025531 AMAQI
7th Jul 2025532 AMAQI
7th Jul 2025543 AMAQI
7th Jul 2025534 AMAQI
25°C19/32°C
7th Jul 2025535 AMAQI
7th Jul 2025546 AMAQI
7th Jul 2025537 AMAQI
7th Jul 2025538 AMAQI
7th Jul 2025549 AMAQI
7th Jul 20255410 AMAQI
7th Jul 20255311 AMAQI
7th Jul 20255212 PMAQI
7th Jul 2025521 PMAQI
7th Jul 2025532 PMAQI
7th Jul 2025513 PMAQI
7th Jul 2025514 PMAQI
7th Jul 2025505 PMAQI
7th Jul 2025506 PMAQI
7th Jul 2025497 PMAQI
7th Jul 2025508 PMAQI
7th Jul 2025519 PMAQI
7th Jul 20255110 PMAQI
7th Jul 20254811 PMAQI
8th Jul 20254812 AMAQI
8th Jul 2025481 AMAQI
8th Jul 2025322 AMAQI
8th Jul 2025323 AMAQI
8th Jul 2025314 AMAQI
23°C19/28°C
8th Jul 2025305 AMAQI
8th Jul 2025306 AMAQI
8th Jul 2025297 AMAQI
8th Jul 2025318 AMAQI
8th Jul 2025339 AMAQI
8th Jul 20253310 AMAQI
8th Jul 20253511 AMAQI
8th Jul 20253412 PMAQI
8th Jul 2025351 PMAQI
8th Jul 2025342 PMAQI
8th Jul 2025343 PMAQI
8th Jul 2025334 PMAQI
8th Jul 2025365 PMAQI
8th Jul 2025356 PMAQI
8th Jul 2025347 PMAQI
8th Jul 2025358 PMAQI
8th Jul 2025349 PMAQI
8th Jul 20253510 PMAQI
8th Jul 20253611 PMAQI
9th Jul 20253512 AMAQI
9th Jul 2025351 AMAQI
9th Jul 2025322 AMAQI
9th Jul 2025343 AMAQI
9th Jul 2025334 AMAQI
22°C19/25°C
9th Jul 2025335 AMAQI
9th Jul 2025356 AMAQI
9th Jul 2025377 AMAQI
9th Jul 2025368 AMAQI
9th Jul 2025389 AMAQI
9th Jul 20254010 AMAQI
9th Jul 20253911 AMAQI
9th Jul 20253912 PMAQI
9th Jul 2025401 PMAQI
9th Jul 2025412 PMAQI
9th Jul 2025413 PMAQI
9th Jul 2025404 PMAQI
9th Jul 2025425 PMAQI
9th Jul 2025436 PMAQI
9th Jul 2025447 PMAQI
9th Jul 2025438 PMAQI
9th Jul 2025399 PMAQI
9th Jul 20253910 PMAQI
9th Jul 20253811 PMAQI
10th Jul 20253612 AMAQI
10th Jul 2025381 AMAQI
10th Jul 2025372 AMAQI
10th Jul 2025403 AMAQI
10th Jul 2025414 AMAQI
20°C16/24°C
10th Jul 2025415 AMAQI
10th Jul 2025396 AMAQI
10th Jul 2025377 AMAQI
10th Jul 2025388 AMAQI
10th Jul 2025429 AMAQI
10th Jul 20254110 AMAQI
10th Jul 20254111 AMAQI
10th Jul 20254212 PMAQI
10th Jul 2025461 PMAQI
10th Jul 2025462 PMAQI
10th Jul 2025483 PMAQI
10th Jul 2025454 PMAQI
10th Jul 2025465 PMAQI
10th Jul 2025456 PMAQI
10th Jul 2025457 PMAQI
10th Jul 2025458 PMAQI
10th Jul 2025429 PMAQI
10th Jul 20254110 PMAQI
10th Jul 20254411 PMAQI
11th Jul 20254412 AMAQI
11th Jul 2025451 AMAQI
11th Jul 2025502 AMAQI
11th Jul 2025493 AMAQI
11th Jul 2025484 AMAQI
22°C17/26°C
11th Jul 2025495 AMAQI
11th Jul 2025496 AMAQI
11th Jul 2025487 AMAQI
11th Jul 2025518 AMAQI
11th Jul 2025529 AMAQI
11th Jul 20255210 AMAQI
11th Jul 20255211 AMAQI
11th Jul 20255212 PMAQI
11th Jul 2025531 PMAQI
11th Jul 2025522 PMAQI
11th Jul 2025523 PMAQI
11th Jul 2025524 PMAQI
11th Jul 2025525 PMAQI
11th Jul 2025526 PMAQI
11th Jul 2025517 PMAQI
11th Jul 2025528 PMAQI
11th Jul 2025529 PMAQI
11th Jul 20255110 PMAQI
11th Jul 20255111 PMAQI
12th Jul 20255112 AMAQI
12th Jul 2025511 AMAQI
12th Jul 2025542 AMAQI
12th Jul 2025543 AMAQI
12th Jul 2025534 AMAQI
23°C16/28°C
12th Jul 2025525 AMAQI
12th Jul 2025506 AMAQI
12th Jul 2025487 AMAQI
12th Jul 2025478 AMAQI
12th Jul 2025509 AMAQI
12th Jul 20254910 AMAQI
12th Jul 20254911 AMAQI
12th Jul 20254912 PMAQI
12th Jul 2025481 PMAQI
12th Jul 2025492 PMAQI
12th Jul 2025503 PMAQI
12th Jul 2025494 PMAQI
12th Jul 2025505 PMAQI
12th Jul 2025516 PMAQI
12th Jul 2025517 PMAQI
12th Jul 2025488 PMAQI
12th Jul 2025519 PMAQI
12th Jul 20254810 PMAQI
12th Jul 20254711 PMAQI
13th Jul 20255012 AMAQI
13th Jul 2025511 AMAQI
13th Jul 2025492 AMAQI
13th Jul 2025463 AMAQI
13th Jul 2025474 AMAQI
23°C19/30°C
13th Jul 2025475 AMAQI
13th Jul 2025446 AMAQI
13th Jul 2025447 AMAQI
13th Jul 2025458 AMAQI
13th Jul 2025479 AMAQI
13th Jul 20254810 AMAQI
13th Jul 20254611 AMAQI
13th Jul 20254612 PMAQI
13th Jul 2025451 PMAQI
13th Jul 2025442 PMAQI
13th Jul 2025443 PMAQI
13th Jul 2025434 PMAQI
13th Jul 2025465 PMAQI
13th Jul 2025466 PMAQI
13th Jul 2025467 PMAQI
13th Jul 2025478 PMAQI
13th Jul 2025479 PMAQI
13th Jul 20254910 PMAQI
13th Jul 20255211 PMAQI
14th Jul 20254912 AMAQI
14th Jul 2025501 AMAQI
14th Jul 2025512 AMAQI
14th Jul 2025533 AMAQI
14th Jul 2025504 AMAQI
24°C21/28°C
14th Jul 2025405 AMAQI
14th Jul 2025416 AMAQI
14th Jul 2025507 AMAQI
14th Jul 2025498 AMAQI
14th Jul 2025509 AMAQI
14th Jul 20255110 AMAQI
14th Jul 20255111 AMAQI
14th Jul 20255112 PMAQI
14th Jul 2025511 PMAQI
14th Jul 2025522 PMAQI
14th Jul 2025493 PMAQI
14th Jul 2025514 PMAQI
14th Jul 2025505 PMAQI
14th Jul 2025506 PMAQI
14th Jul 2025527 PMAQI
14th Jul 2025518 PMAQI
14th Jul 2025509 PMAQI
14th Jul 20254910 PMAQI
14th Jul 20254811 PMAQI
15th Jul 20255012 AMAQI
15th Jul 2025491 AMAQI
15th Jul 2025522 AMAQI
15th Jul 2025533 AMAQI
15th Jul 2025554 AMAQI
24°C17/31°C
15th Jul 2025535 AMAQI
15th Jul 2025586 AMAQI
15th Jul 2025617 AMAQI
15th Jul 2025608 AMAQI
15th Jul 2025579 AMAQI
15th Jul 20255710 AMAQI
15th Jul 20255711 AMAQI
15th Jul 20255612 PMAQI
15th Jul 2025561 PMAQI
15th Jul 2025562 PMAQI
15th Jul 2025583 PMAQI
15th Jul 2025584 PMAQI
15th Jul 2025615 PMAQI
15th Jul 2025616 PMAQI
15th Jul 2025607 PMAQI
15th Jul 2025608 PMAQI
15th Jul 2025579 PMAQI
15th Jul 20255810 PMAQI
15th Jul 20255911 PMAQI
16th Jul 20255812 AMAQI
16th Jul 2025601 AMAQI
16th Jul 2025592 AMAQI
16th Jul 2025633 AMAQI
16th Jul 2025664 AMAQI
24°C17/31°C
16th Jul 2025645 AMAQI
16th Jul 2025646 AMAQI
16th Jul 2025687 AMAQI
16th Jul 2025668 AMAQI
16th Jul 2025639 AMAQI
16th Jul 20256410 AMAQI
16th Jul 20256311 AMAQI
16th Jul 20256212 PMAQI
16th Jul 2025601 PMAQI
16th Jul 2025642 PMAQI
16th Jul 2025653 PMAQI
16th Jul 2025644 PMAQI
16th Jul 2025645 PMAQI
16th Jul 2025646 PMAQI
16th Jul 2025647 PMAQI
16th Jul 2025648 PMAQI
16th Jul 2025669 PMAQI
16th Jul 20256310 PMAQI
16th Jul 20256011 PMAQI
17th Jul 20256012 AMAQI
17th Jul 2025591 AMAQI
17th Jul 2025472 AMAQI
17th Jul 2025483 AMAQI
17th Jul 2025454 AMAQI
24°C18/32°C
17th Jul 2025445 AMAQI
17th Jul 2025446 AMAQI
17th Jul 2025417 AMAQI
17th Jul 2025428 AMAQI
17th Jul 2025469 AMAQI
17th Jul 20254410 AMAQI
17th Jul 20254511 AMAQI
17th Jul 20254912 PMAQI
17th Jul 2025561 PMAQI
17th Jul 2025552 PMAQI
17th Jul 2025463 PMAQI
17th Jul 2025454 PMAQI
17th Jul 2025445 PMAQI
17th Jul 2025456 PMAQI
17th Jul 2025437 PMAQI
17th Jul 2025428 PMAQI
17th Jul 2025449 PMAQI
17th Jul 20254410 PMAQI
17th Jul 20254011 PMAQI
18th Jul 20254212 AMAQI
18th Jul 2025341 AMAQI
18th Jul 2025222 AMAQI
18th Jul 2025233 AMAQI
18th Jul 2025254 AMAQI
23°C18/29°C
18th Jul 2025215 AMAQI
18th Jul 2025226 AMAQI
18th Jul 2025227 AMAQI
18th Jul 2025238 AMAQI
18th Jul 2025229 AMAQI
18th Jul 20252210 AMAQI
18th Jul 20252311 AMAQI
18th Jul 20252312 PMAQI
18th Jul 2025231 PMAQI
18th Jul 2025232 PMAQI
18th Jul 2025223 PMAQI
18th Jul 2025244 PMAQI
18th Jul 2025245 PMAQI
18th Jul 2025246 PMAQI
18th Jul 2025247 PMAQI
18th Jul 2025258 PMAQI
18th Jul 2025239 PMAQI
18th Jul 20252310 PMAQI
18th Jul 20252411 PMAQI
19th Jul 20252512 AMAQI
19th Jul 2025261 AMAQI
19th Jul 2025272 AMAQI
19th Jul 2025293 AMAQI
19th Jul 2025284 AMAQI
18°C10/24°C
19th Jul 2025275 AMAQI
19th Jul 2025256 AMAQI
19th Jul 2025267 AMAQI
19th Jul 2025288 AMAQI
19th Jul 2025279 AMAQI
19th Jul 20252610 AMAQI
19th Jul 20252511 AMAQI
19th Jul 20252512 PMAQI
19th Jul 2025241 PMAQI
19th Jul 2025242 PMAQI
19th Jul 2025243 PMAQI
19th Jul 2025254 PMAQI
19th Jul 2025275 PMAQI
19th Jul 2025266 PMAQI
19th Jul 2025277 PMAQI
19th Jul 2025278 PMAQI
19th Jul 2025279 PMAQI
19th Jul 20252810 PMAQI
19th Jul 20252611 PMAQI
20th Jul 20252712 AMAQI
20th Jul 2025271 AMAQI
20th Jul 2025232 AMAQI
20th Jul 2025233 AMAQI
20th Jul 2025224 AMAQI
20°C12/24°C
20th Jul 2025255 AMAQI
20th Jul 2025236 AMAQI
20th Jul 2025257 AMAQI
20th Jul 2025248 AMAQI
20th Jul 2025249 AMAQI
20th Jul 20252310 AMAQI
20th Jul 20252311 AMAQI
20th Jul 20252412 PMAQI
20th Jul 2025241 PMAQI
20th Jul 2025252 PMAQI
20th Jul 2025243 PMAQI
20th Jul 2025234 PMAQI
20th Jul 2025265 PMAQI
20th Jul 2025256 PMAQI
20th Jul 2025257 PMAQI
20th Jul 2025258 PMAQI
20th Jul 2025249 PMAQI
20th Jul 20252610 PMAQI
20th Jul 20253211 PMAQI
21st Jul 20253112 AMAQI
21st Jul 2025371 AMAQI
21st Jul 2025542 AMAQI
21st Jul 2025563 AMAQI
21st Jul 2025584 AMAQI
22°C17/29°C
21st Jul 2025605 AMAQI
21st Jul 2025586 AMAQI
21st Jul 2025567 AMAQI
21st Jul 2025568 AMAQI
21st Jul 2025519 AMAQI
21st Jul 20254310 AMAQI
21st Jul 20253911 AMAQI
21st Jul 20253512 PMAQI
21st Jul 2025341 PMAQI
21st Jul 2025342 PMAQI
21st Jul 2025333 PMAQI
21st Jul 2025344 PMAQI
21st Jul 2025385 PMAQI
21st Jul 2025406 PMAQI
21st Jul 2025417 PMAQI
21st Jul 2025408 PMAQI
21st Jul 2025459 PMAQI
21st Jul 20254710 PMAQI
21st Jul 20254211 PMAQI
22nd Jul 20254412 AMAQI
22nd Jul 2025371 AMAQI
22nd Jul 2025222 AMAQI
22nd Jul 2025193 AMAQI
22nd Jul 2025184 AMAQI
19°C13/23°C
22nd Jul 2025175 AMAQI
22nd Jul 2025176 AMAQI
22nd Jul 2025167 AMAQI
22nd Jul 2025178 AMAQI
22nd Jul 2025209 AMAQI
22nd Jul 20252010 AMAQI
22nd Jul 20251911 AMAQI
22nd Jul 20252012 PMAQI
22nd Jul 2025191 PMAQI
22nd Jul 2025212 PMAQI
22nd Jul 2025213 PMAQI
22nd Jul 2025214 PMAQI
22nd Jul 2025225 PMAQI
22nd Jul 2025226 PMAQI
22nd Jul 2025227 PMAQI
22nd Jul 2025228 PMAQI
22nd Jul 2025229 PMAQI
22nd Jul 20252210 PMAQI
22nd Jul 20252211 PMAQI
23rd Jul 20252112 AMAQI
23rd Jul 2025211 AMAQI
23rd Jul 2025202 AMAQI
23rd Jul 2025213 AMAQI
23rd Jul 2025204 AMAQI
18°C11/23°C
23rd Jul 2025195 AMAQI
23rd Jul 2025196 AMAQI
23rd Jul 2025207 AMAQI
23rd Jul 2025208 AMAQI
23rd Jul 2025209 AMAQI
23rd Jul 20252110 AMAQI
23rd Jul 20252111 AMAQI
23rd Jul 20252112 PMAQI
23rd Jul 2025211 PMAQI
23rd Jul 2025212 PMAQI
23rd Jul 2025213 PMAQI
23rd Jul 2025224 PMAQI
23rd Jul 2025235 PMAQI
23rd Jul 2025246 PMAQI
23rd Jul 2025227 PMAQI
23rd Jul 2025228 PMAQI
23rd Jul 2025239 PMAQI
23rd Jul 20252310 PMAQI
23rd Jul 20252211 PMAQI
24th Jul 20252212 AMAQI
24th Jul 2025231 AMAQI
24th Jul 2025242 AMAQI
24th Jul 2025263 AMAQI
24th Jul 2025264 AMAQI
19°C11/24°C
24th Jul 2025275 AMAQI
24th Jul 2025276 AMAQI
24th Jul 2025287 AMAQI
24th Jul 2025298 AMAQI
24th Jul 2025319 AMAQI
24th Jul 20253110 AMAQI
24th Jul 20253311 AMAQI
24th Jul 20253412 PMAQI
24th Jul 2025381 PMAQI
24th Jul 2025422 PMAQI
24th Jul 2025423 PMAQI
24th Jul 2025444 PMAQI
24th Jul 2025405 PMAQI
24th Jul 2025386 PMAQI
24th Jul 2025347 PMAQI
24th Jul 2025378 PMAQI
24th Jul 2025359 PMAQI
24th Jul 20253510 PMAQI
24th Jul 20253811 PMAQI
25th Jul 20253512 AMAQI
25th Jul 2025341 AMAQI
25th Jul 2025342 AMAQI
25th Jul 2025333 AMAQI
25th Jul 2025304 AMAQI
24°C16/33°C
25th Jul 2025285 AMAQI
25th Jul 2025266 AMAQI
25th Jul 2025257 AMAQI
25th Jul 2025278 AMAQI
25th Jul 2025299 AMAQI
25th Jul 20253010 AMAQI
25th Jul 20252811 AMAQI
25th Jul 20252812 PMAQI
25th Jul 2025281 PMAQI
25th Jul 2025292 PMAQI
25th Jul 2025313 PMAQI
25th Jul 2025324 PMAQI
25th Jul 2025345 PMAQI
25th Jul 2025366 PMAQI
25th Jul 2025397 PMAQI
25th Jul 2025398 PMAQI
25th Jul 2025359 PMAQI
25th Jul 20253610 PMAQI
25th Jul 20254111 PMAQI
26th Jul 20254312 AMAQI
26th Jul 2025381 AMAQI
26th Jul 2025532 AMAQI
26th Jul 2025603 AMAQI
26th Jul 2025604 AMAQI
25°C21/29°C
26th Jul 2025565 AMAQI
26th Jul 2025566 AMAQI
26th Jul 2025567 AMAQI
26th Jul 2025568 AMAQI
26th Jul 2025629 AMAQI
26th Jul 20255710 AMAQI
26th Jul 20255911 AMAQI
26th Jul 20255912 PMAQI
26th Jul 2025581 PMAQI
26th Jul 2025552 PMAQI
26th Jul 2025523 PMAQI
26th Jul 2025524 PMAQI
26th Jul 2025535 PMAQI
26th Jul 2025536 PMAQI
26th Jul 2025537 PMAQI
26th Jul 2025538 PMAQI
26th Jul 2025559 PMAQI
26th Jul 20255510 PMAQI
26th Jul 20255111 PMAQI
27th Jul 20255212 AMAQI
27th Jul 2025511 AMAQI
27th Jul 2025442 AMAQI
27th Jul 2025433 AMAQI
27th Jul 2025424 AMAQI
22°C17/27°C
27th Jul 2025405 AMAQI
27th Jul 2025406 AMAQI
27th Jul 2025407 AMAQI
27th Jul 2025418 AMAQI
27th Jul 2025429 AMAQI
27th Jul 20254110 AMAQI
27th Jul 20254011 AMAQI
27th Jul 20254212 PMAQI
27th Jul 2025441 PMAQI
27th Jul 2025472 PMAQI
27th Jul 2025473 PMAQI
27th Jul 2025474 PMAQI
27th Jul 2025465 PMAQI
27th Jul 2025456 PMAQI
27th Jul 2025467 PMAQI
27th Jul 2025448 PMAQI
27th Jul 2025439 PMAQI
27th Jul 20254510 PMAQI
27th Jul 20254611 PMAQI
28th Jul 20254612 AMAQI
28th Jul 2025481 AMAQI
28th Jul 2025502 AMAQI
28th Jul 2025513 AMAQI
28th Jul 2025514 AMAQI
26°C21/33°C
28th Jul 2025495 AMAQI
28th Jul 2025516 AMAQI
28th Jul 2025527 AMAQI
28th Jul 2025528 AMAQI
28th Jul 2025539 AMAQI
28th Jul 20255410 AMAQI
28th Jul 20255511 AMAQI
28th Jul 20255512 PMAQI
28th Jul 2025541 PMAQI
28th Jul 2025542 PMAQI
28th Jul 2025533 PMAQI
28th Jul 2025544 PMAQI
28th Jul 2025545 PMAQI
28th Jul 2025546 PMAQI
28th Jul 2025547 PMAQI
28th Jul 2025548 PMAQI
28th Jul 2025549 PMAQI
28th Jul 20255310 PMAQI
28th Jul 20255211 PMAQI
29th Jul 20255312 AMAQI
29th Jul 2025521 AMAQI
29th Jul 2025502 AMAQI
29th Jul 2025473 AMAQI
29th Jul 2025444 AMAQI
24°C18/31°C
29th Jul 2025405 AMAQI
29th Jul 2025386 AMAQI
29th Jul 2025397 AMAQI
29th Jul 2025418 AMAQI
29th Jul 2025449 AMAQI
29th Jul 20254310 AMAQI
29th Jul 20254311 AMAQI
29th Jul 20254112 PMAQI
29th Jul 2025401 PMAQI
29th Jul 2025402 PMAQI
29th Jul 2025423 PMAQI
29th Jul 2025444 PMAQI
29th Jul 2025475 PMAQI
29th Jul 2025476 PMAQI
29th Jul 2025467 PMAQI
29th Jul 2025468 PMAQI
29th Jul 2025489 PMAQI
29th Jul 20254810 PMAQI
29th Jul 20254611 PMAQI
30th Jul 20254712 AMAQI
30th Jul 2025461 AMAQI
30th Jul 2025452 AMAQI
30th Jul 2025443 AMAQI
30th Jul 2025464 AMAQI
25°C19/32°C
30th Jul 2025475 AMAQI
30th Jul 2025446 AMAQI
30th Jul 2025457 AMAQI
30th Jul 2025478 AMAQI
30th Jul 2025489 AMAQI
30th Jul 20254910 AMAQI
30th Jul 20255111 AMAQI
30th Jul 20255312 PMAQI
30th Jul 2025541 PMAQI
30th Jul 2025542 PMAQI
30th Jul 2025543 PMAQI
30th Jul 2025544 PMAQI
30th Jul 2025545 PMAQI
30th Jul 2025546 PMAQI
30th Jul 2025547 PMAQI
30th Jul 2025548 PMAQI
30th Jul 2025549 PMAQI
30th Jul 20255410 PMAQI
30th Jul 20255311 PMAQI
31st Jul 20255212 AMAQI
31st Jul 2025531 AMAQI
31st Jul 2025572 AMAQI
31st Jul 2025623 AMAQI
31st Jul 2025654 AMAQI
24°C17/32°C
31st Jul 2025715 AMAQI
31st Jul 2025746 AMAQI
31st Jul 2025707 AMAQI
31st Jul 20251008 AMAQI
31st Jul 20251269 AMAQI
31st Jul 20259110 AMAQI
31st Jul 20257111 AMAQI
31st Jul 202510612 PMAQI
31st Jul 20251451 PMAQI
31st Jul 20251302 PMAQI
31st Jul 20251043 PMAQI
31st Jul 2025894 PMAQI
31st Jul 2025915 PMAQI
31st Jul 2025896 PMAQI
31st Jul 2025927 PMAQI
31st Jul 2025938 PMAQI
31st Jul 20251309 PMAQI
31st Jul 202510710 PMAQI
31st Jul 20258611 PMAQI
1st Aug 20258612 AMAQI
1st Aug 2025831 AMAQI
1st Aug 2025862 AMAQI
1st Aug 2025713 AMAQI
1st Aug 2025654 AMAQI
21°C18/25°C
1st Aug 2025685 AMAQI
1st Aug 2025616 AMAQI
1st Aug 2025557 AMAQI
1st Aug 2025528 AMAQI
1st Aug 2025469 AMAQI
1st Aug 20253810 AMAQI
1st Aug 20253011 AMAQI
1st Aug 20252712 PMAQI
1st Aug 2025251 PMAQI
1st Aug 2025212 PMAQI
1st Aug 2025233 PMAQI
1st Aug 2025224 PMAQI
1st Aug 2025205 PMAQI
1st Aug 2025206 PMAQI
1st Aug 2025207 PMAQI
1st Aug 2025198 PMAQI
1st Aug 2025309 PMAQI
1st Aug 20252610 PMAQI
1st Aug 20252311 PMAQI
2nd Aug 20252412 AMAQI
2nd Aug 2025271 AMAQI
2nd Aug 2025262 AMAQI
2nd Aug 2025273 AMAQI
2nd Aug 2025284 AMAQI
19°C12/24°C
2nd Aug 2025285 AMAQI
2nd Aug 2025276 AMAQI
2nd Aug 2025287 AMAQI
2nd Aug 2025278 AMAQI
2nd Aug 2025299 AMAQI
2nd Aug 20253010 AMAQI
2nd Aug 20253011 AMAQI
2nd Aug 20253312 PMAQI
2nd Aug 2025361 PMAQI
2nd Aug 2025382 PMAQI
2nd Aug 2025443 PMAQI
2nd Aug 2025494 PMAQI
2nd Aug 2025535 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025657 PMAQI
2nd Aug 2025708 PMAQI
2nd Aug 2025429 PMAQI
2nd Aug 20255510 PMAQI
2nd Aug 20257911 PMAQI
3rd Aug 20258512 AMAQI
3rd Aug 2025951 AMAQI
3rd Aug 2025962 AMAQI
3rd Aug 20251023 AMAQI
3rd Aug 2025954 AMAQI
20°C10/27°C
5 AM
12 PM
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 PM
44AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM
44AQI
16 hours / Day
480 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 PM (Avg. 44), while the lowest AQI was between 5 AM to 8 PM (Avg. 44).
Night time
Avg. Highest Time
12 AM - 11 PM
45AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
45AQI
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. 45), while the lowest AQI was between 12 AM to 11 PM (Avg. 45).
2025 Days Vs Air Quality
Oshawa, Ontario, Canada
2025
88%
189
12%
25
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
189 DaysModerate
25 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 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
Oshawa, 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
20AQI
2nd January 2025
20AQI
20AQI
3rd January 2025
22AQI
22AQI
4th January 2025
28AQI
28AQI
5th January 2025
27AQI
27AQI
6th January 2025
23AQI
23AQI
7th January 2025
23AQI
23AQI
8th January 2025
25AQI
25AQI
9th January 2025
27AQI
27AQI
10th January 2025
33AQI
33AQI
11th January 2025
53AQI
53AQI
12th January 2025
59AQI
59AQI
13th January 2025
36AQI
36AQI
14th January 2025
26AQI
26AQI
15th January 2025
22AQI
22AQI
16th January 2025
51AQI
51AQI
17th January 2025
46AQI
46AQI
18th January 2025
30AQI
30AQI
19th January 2025
24AQI
24AQI
20th January 2025
26AQI
26AQI
21st January 2025
27AQI
27AQI
22nd January 2025
29AQI
29AQI
23rd January 2025
44AQI
44AQI
24th January 2025
38AQI
38AQI
25th January 2025
48AQI
48AQI
26th January 2025
33AQI
33AQI
27th January 2025
26AQI
26AQI
28th January 2025
27AQI
27AQI
29th January 2025
30AQI
30AQI
30th January 2025
26AQI
26AQI
31st January 2025
51AQI
51AQI
1st February 2025
28AQI
28AQI
2nd February 2025
28AQI
28AQI
3rd February 2025
49AQI
49AQI
4th February 2025
24AQI
24AQI
5th February 2025
23AQI
23AQI
6th February 2025
32AQI
32AQI
7th February 2025
28AQI
28AQI
8th February 2025
31AQI
31AQI
9th February 2025
28AQI
28AQI
10th February 2025
28AQI
28AQI
11th February 2025
39AQI
39AQI
12th February 2025
28AQI
28AQI
13th February 2025
26AQI
26AQI
14th February 2025
28AQI
28AQI
15th February 2025
30AQI
30AQI
16th February 2025
27AQI
27AQI
17th February 2025
27AQI
27AQI
18th February 2025
26AQI
26AQI
19th February 2025
22AQI
22AQI
20th February 2025
20AQI
20AQI
21st February 2025
26AQI
26AQI
22nd February 2025
47AQI
47AQI
23rd February 2025
59AQI
59AQI
24th February 2025
58AQI
58AQI
25th February 2025
69AQI
69AQI
26th February 2025
29AQI
29AQI
27th February 2025
27AQI
27AQI
28th February 2025
26AQI
26AQI
1st March 2025
28AQI
28AQI
2nd March 2025
26AQI
26AQI
3rd March 2025
31AQI
31AQI
4th March 2025
41AQI
41AQI
5th March 2025
34AQI
34AQI
6th March 2025
24AQI
24AQI
7th March 2025
32AQI
32AQI
8th March 2025
31AQI
31AQI
9th March 2025
28AQI
28AQI
10th March 2025
32AQI
32AQI
11th March 2025
37AQI
37AQI
12th March 2025
27AQI
27AQI
13th March 2025
26AQI
26AQI
14th March 2025
48AQI
48AQI
15th March 2025
54AQI
54AQI
16th March 2025
33AQI
33AQI
17th March 2025
15AQI
15AQI
18th March 2025
23AQI
23AQI
19th March 2025
28AQI
28AQI
20th March 2025
26AQI
26AQI
21st March 2025
17AQI
17AQI
22nd March 2025
18AQI
18AQI
23rd March 2025
20AQI
20AQI
24th March 2025
21AQI
21AQI
25th March 2025
18AQI
18AQI
26th March 2025
19AQI
19AQI
27th March 2025
23AQI
23AQI
28th March 2025
19AQI
19AQI
29th March 2025
18AQI
18AQI
30th March 2025
20AQI
20AQI
31st March 2025
22AQI
22AQI
1st April 2025
16AQI
16AQI
2nd April 2025
18AQI
18AQI
3rd April 2025
26AQI
26AQI
4th April 2025
17AQI
17AQI
5th April 2025
19AQI
19AQI
6th April 2025
16AQI
16AQI
7th April 2025
18AQI
18AQI
8th April 2025
14AQI
14AQI
9th April 2025
19AQI
19AQI
10th April 2025
28AQI
28AQI
11th April 2025
26AQI
26AQI
12th April 2025
27AQI
27AQI
13th April 2025
31AQI
31AQI
14th April 2025
27AQI
27AQI
15th April 2025
20AQI
20AQI
16th April 2025
14AQI
14AQI
17th April 2025
18AQI
18AQI
18th April 2025
30AQI
30AQI
19th April 2025
41AQI
41AQI
20th April 2025
16AQI
16AQI
21st April 2025
19AQI
19AQI
22nd April 2025
16AQI
16AQI
23rd April 2025
16AQI
16AQI
24th April 2025
29AQI
29AQI
25th April 2025
31AQI
31AQI
26th April 2025
26AQI
26AQI
27th April 2025
14AQI
14AQI
28th April 2025
19AQI
19AQI
29th April 2025
31AQI
31AQI
30th April 2025
18AQI
18AQI
1st May 2025
25AQI
25AQI
2nd May 2025
29AQI
29AQI
3rd May 2025
15AQI
15AQI
4th May 2025
16AQI
16AQI
5th May 2025
16AQI
16AQI
6th May 2025
17AQI
17AQI
7th May 2025
25AQI
25AQI
8th May 2025
16AQI
16AQI
9th May 2025
20AQI
20AQI
10th May 2025
21AQI
21AQI
11th May 2025
20AQI
20AQI
12th May 2025
23AQI
23AQI
13th May 2025
33AQI
33AQI
14th May 2025
21AQI
21AQI
15th May 2025
23AQI
23AQI
16th May 2025
30AQI
30AQI
17th May 2025
30AQI
30AQI
18th May 2025
17AQI
17AQI
19th May 2025
13AQI
13AQI
20th May 2025
13AQI
13AQI
21st May 2025
15AQI
15AQI
22nd May 2025
12AQI
12AQI
23rd May 2025
12AQI
12AQI
24th May 2025
13AQI
13AQI
25th May 2025
14AQI
14AQI
26th May 2025
19AQI
19AQI
27th May 2025
26AQI
26AQI
28th May 2025
23AQI
23AQI
29th May 2025
26AQI
26AQI
30th May 2025
29AQI
29AQI
31st May 2025
25AQI
25AQI
1st June 2025
14AQI
14AQI
2nd June 2025
19AQI
19AQI
3rd June 2025
35AQI
35AQI
4th June 2025
60AQI
60AQI
5th June 2025
44AQI
44AQI
6th June 2025
59AQI
59AQI
7th June 2025
65AQI
65AQI
8th June 2025
75AQI
75AQI
9th June 2025
61AQI
61AQI
10th June 2025
50AQI
50AQI
11th June 2025
56AQI
56AQI
12th June 2025
64AQI
64AQI
13th June 2025
41AQI
41AQI
14th June 2025
30AQI
30AQI
15th June 2025
34AQI
34AQI
16th June 2025
35AQI
35AQI
17th June 2025
34AQI
34AQI
18th June 2025
36AQI
36AQI
19th June 2025
35AQI
35AQI
20th June 2025
34AQI
34AQI
21st June 2025
47AQI
47AQI
22nd June 2025
51AQI
51AQI
23rd June 2025
54AQI
54AQI
24th June 2025
55AQI
55AQI
25th June 2025
47AQI
47AQI
26th June 2025
43AQI
43AQI
27th June 2025
38AQI
38AQI
28th June 2025
33AQI
33AQI
29th June 2025
31AQI
31AQI
30th June 2025
37AQI
37AQI
1st July 2025
41AQI
41AQI
2nd July 2025
39AQI
39AQI
3rd July 2025
47AQI
47AQI
4th July 2025
37AQI
37AQI
5th July 2025
45AQI
45AQI
6th July 2025
52AQI
52AQI
7th July 2025
52AQI
52AQI
8th July 2025
36AQI
36AQI
9th July 2025
38AQI
38AQI
10th July 2025
41AQI
41AQI
11th July 2025
50AQI
50AQI
12th July 2025
50AQI
50AQI
13th July 2025
47AQI
47AQI
14th July 2025
49AQI
49AQI
15th July 2025
56AQI
56AQI
16th July 2025
62AQI
62AQI
17th July 2025
48AQI
48AQI
18th July 2025
27AQI
27AQI
19th July 2025
26AQI
26AQI
20th July 2025
25AQI
25AQI
21st July 2025
44AQI
44AQI
22nd July 2025
23AQI
23AQI
23rd July 2025
21AQI
21AQI
24th July 2025
32AQI
32AQI
25th July 2025
33AQI
33AQI
26th July 2025
54AQI
54AQI
27th July 2025
45AQI
45AQI
28th July 2025
52AQI
52AQI
29th July 2025
46AQI
46AQI
30th July 2025
50AQI
50AQI
31st July 2025
85AQI
85AQI
1st August 2025
46AQI
46AQI
2nd August 2025
31AQI
31AQI
32AQI
33AQI
27AQI
22AQI
21AQI
44AQI
44AQI
39AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202532AQI
27
4
25
3
30
1
30
31
20
10
24
7
2
189
25
Highest AQI recorded in
June44AQI
Lowest AQI recorded in
May21AQI
202430AQI
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 recorded in
June37AQI
Lowest AQI recorded in
November23AQI
202335AQI
31
28
31
27
3
30
1
16
12
1
1
25
6
27
4
28
2
30
1
29
25
6
327
35
1
1
Highest AQI recorded in
June61AQI
Lowest AQI recorded in
October28AQI
202229AQI
30
1
20
1
30
1
28
1
31
30
23
1
28
31
26
4
31
309
8
Highest AQI recorded in
March34AQI
Lowest AQI recorded in
August19AQI
202131AQI
25
5
26
2
30
1
30
29
2
28
2
26
5
30
1
30
31
30
29
2
344
20
Highest AQI recorded in
June35AQI
Lowest AQI recorded in
September22AQI
202030AQI
13
21
17
1
28
2
30
1
30
1
29
1
31
26
4
27
4
252
14
Highest AQI recorded in
June34AQI
Lowest AQI recorded in
October23AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
35AQILeast Polluted Year Recorded
2022(Avg.)
29AQIOshawa's annual 2025 AQI (32) shows an average percentage change of 2.5% (worsened AQI) compared to previous years: 2020 (30), 2021 (31), 2022 (29), 2023 (35), 2024 (30).
