Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Hamilton Mountain, Hamilton, 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

Hamilton Mountain, Hamilton, Ontario, Canada

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
16th Aug 2023
92AQI
Lowest AQI recorded on
2nd Aug 2021
18AQI

Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 60 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 1st Aug - 2nd Aug 2025

Hamilton Mountain, Hamilton, Ontario, Canada

AQI
Day
Night
.

5 AM1st Aug 2025

8 PM

4 AM2nd Aug 2025

Day time
Avg. Highest Time
6AM1st Aug

81AQI

Avg. Lowest Time
8PM1st Aug

22AQI

Night time
Avg. Highest Time
5AM1st Aug

79AQI

Avg. Lowest Time
11PM1st Aug

24AQI

In the last 24 hours,

Hamilton Mountain's AQI reached its highest point of 81 at 6 AM during the Day, while the lowest point, 22, was recorded at 8 PM during the Day between 1st Aug and 2nd Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Hamilton Mountain, Hamilton, Ontario, Canada

JulAug
03rd - 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 - 31st31st - 01st01st - 02nd02nd
Day
Night
3rd Jul 2025425 AMAQI
3rd Jul 2025446 AMAQI
3rd Jul 2025487 AMAQI
3rd Jul 2025468 AMAQI
3rd Jul 2025489 AMAQI
3rd Jul 20254810 AMAQI
3rd Jul 20255011 AMAQI
3rd Jul 20255012 PMAQI
3rd Jul 2025491 PMAQI
3rd Jul 2025482 PMAQI
3rd Jul 2025493 PMAQI
3rd Jul 2025504 PMAQI
3rd Jul 2025525 PMAQI
3rd Jul 2025506 PMAQI
3rd Jul 2025507 PMAQI
3rd Jul 2025508 PMAQI
3rd Jul 2025509 PMAQI
3rd Jul 20254810 PMAQI
3rd Jul 20254611 PMAQI
4th Jul 20254612 AMAQI
4th Jul 2025441 AMAQI
4th Jul 2025322 AMAQI
4th Jul 2025323 AMAQI
4th Jul 2025324 AMAQI

23°C18/31°C

4th Jul 2025345 AMAQI
4th Jul 2025376 AMAQI
4th Jul 2025377 AMAQI
4th Jul 2025388 AMAQI
4th Jul 2025369 AMAQI
4th Jul 20253710 AMAQI
4th Jul 20253811 AMAQI
4th Jul 20253912 PMAQI
4th Jul 2025371 PMAQI
4th Jul 2025362 PMAQI
4th Jul 2025363 PMAQI
4th Jul 2025364 PMAQI
4th Jul 2025375 PMAQI
4th Jul 2025376 PMAQI
4th Jul 2025367 PMAQI
4th Jul 2025368 PMAQI
4th Jul 2025389 PMAQI
4th Jul 20253810 PMAQI
4th Jul 20254011 PMAQI
5th Jul 20254312 AMAQI
5th Jul 2025461 AMAQI
5th Jul 2025492 AMAQI
5th Jul 2025483 AMAQI
5th Jul 2025504 AMAQI

22°C14/29°C

5th Jul 2025465 AMAQI
5th Jul 2025456 AMAQI
5th Jul 2025447 AMAQI
5th Jul 2025448 AMAQI
5th Jul 2025519 AMAQI
5th Jul 20255210 AMAQI
5th Jul 20255211 AMAQI
5th Jul 20255212 PMAQI
5th Jul 2025521 PMAQI
5th Jul 2025522 PMAQI
5th Jul 2025523 PMAQI
5th Jul 2025524 PMAQI
5th Jul 2025495 PMAQI
5th Jul 2025486 PMAQI
5th Jul 2025487 PMAQI
5th Jul 2025498 PMAQI
5th Jul 2025489 PMAQI
5th Jul 20254810 PMAQI
5th Jul 20254411 PMAQI
6th Jul 20254612 AMAQI
6th Jul 2025521 AMAQI
6th Jul 2025522 AMAQI
6th Jul 2025513 AMAQI
6th Jul 2025494 AMAQI

25°C17/34°C

6th Jul 2025505 AMAQI
6th Jul 2025516 AMAQI
6th Jul 2025527 AMAQI
6th Jul 2025538 AMAQI
6th Jul 2025539 AMAQI
6th Jul 20255310 AMAQI
6th Jul 20255311 AMAQI
6th Jul 20255312 PMAQI
6th Jul 2025521 PMAQI
6th Jul 2025502 PMAQI
6th Jul 2025513 PMAQI
6th Jul 2025514 PMAQI
6th Jul 2025525 PMAQI
6th Jul 2025526 PMAQI
6th Jul 2025527 PMAQI
6th Jul 2025528 PMAQI
6th Jul 2025539 PMAQI
6th Jul 20255210 PMAQI
6th Jul 20255211 PMAQI
7th Jul 20255212 AMAQI
7th Jul 2025531 AMAQI
7th Jul 2025522 AMAQI
7th Jul 2025533 AMAQI
7th Jul 2025524 AMAQI

28°C21/36°C

7th Jul 2025525 AMAQI
7th Jul 2025526 AMAQI
7th Jul 2025517 AMAQI
7th Jul 2025518 AMAQI
7th Jul 2025539 AMAQI
7th Jul 20255310 AMAQI
7th Jul 20255211 AMAQI
7th Jul 20255112 PMAQI
7th Jul 2025501 PMAQI
7th Jul 2025482 PMAQI
7th Jul 2025483 PMAQI
7th Jul 2025494 PMAQI
7th Jul 2025485 PMAQI
7th Jul 2025466 PMAQI
7th Jul 2025467 PMAQI
7th Jul 2025478 PMAQI
7th Jul 2025509 PMAQI
7th Jul 20254810 PMAQI
7th Jul 20254711 PMAQI
8th Jul 20254612 AMAQI
8th Jul 2025471 AMAQI
8th Jul 2025432 AMAQI
8th Jul 2025353 AMAQI
8th Jul 2025344 AMAQI

25°C21/28°C

8th Jul 2025345 AMAQI
8th Jul 2025336 AMAQI
8th Jul 2025367 AMAQI
8th Jul 2025378 AMAQI
8th Jul 2025369 AMAQI
8th Jul 20253610 AMAQI
8th Jul 20253711 AMAQI
8th Jul 20253712 PMAQI
8th Jul 2025391 PMAQI
8th Jul 2025382 PMAQI
8th Jul 2025433 PMAQI
8th Jul 2025424 PMAQI
8th Jul 2025425 PMAQI
8th Jul 2025446 PMAQI
8th Jul 2025427 PMAQI
8th Jul 2025418 PMAQI
8th Jul 2025379 PMAQI
8th Jul 20253710 PMAQI
8th Jul 20253711 PMAQI
9th Jul 20253712 AMAQI
9th Jul 2025371 AMAQI
9th Jul 2025352 AMAQI
9th Jul 2025383 AMAQI
9th Jul 2025404 AMAQI

22°C19/27°C

9th Jul 2025425 AMAQI
9th Jul 2025446 AMAQI
9th Jul 2025417 AMAQI
9th Jul 2025408 AMAQI
9th Jul 2025429 AMAQI
9th Jul 20254410 AMAQI
9th Jul 20254511 AMAQI
9th Jul 20254812 PMAQI
9th Jul 2025461 PMAQI
9th Jul 2025432 PMAQI
9th Jul 2025443 PMAQI
9th Jul 2025464 PMAQI
9th Jul 2025465 PMAQI
9th Jul 2025476 PMAQI
9th Jul 2025447 PMAQI
9th Jul 2025438 PMAQI
9th Jul 2025429 PMAQI
9th Jul 20254010 PMAQI
9th Jul 20254011 PMAQI
10th Jul 20253812 AMAQI
10th Jul 2025371 AMAQI
10th Jul 2025342 AMAQI
10th Jul 2025403 AMAQI
10th Jul 2025394 AMAQI

22°C18/26°C

10th Jul 2025385 AMAQI
10th Jul 2025366 AMAQI
10th Jul 2025357 AMAQI
10th Jul 2025378 AMAQI
10th Jul 2025399 AMAQI
10th Jul 20253810 AMAQI
10th Jul 20254011 AMAQI
10th Jul 20254112 PMAQI
10th Jul 2025451 PMAQI
10th Jul 2025462 PMAQI
10th Jul 2025463 PMAQI
10th Jul 2025474 PMAQI
10th Jul 2025485 PMAQI
10th Jul 2025476 PMAQI
10th Jul 2025477 PMAQI
10th Jul 2025468 PMAQI
10th Jul 2025429 PMAQI
10th Jul 20254210 PMAQI
10th Jul 20254511 PMAQI
11th Jul 20254412 AMAQI
11th Jul 2025461 AMAQI
11th Jul 2025542 AMAQI
11th Jul 2025523 AMAQI
11th Jul 2025524 AMAQI

24°C18/29°C

11th Jul 2025525 AMAQI
11th Jul 2025526 AMAQI
11th Jul 2025537 AMAQI
11th Jul 2025538 AMAQI
11th Jul 2025539 AMAQI
11th Jul 20255310 AMAQI
11th Jul 20255411 AMAQI
11th Jul 20255312 PMAQI
11th Jul 2025521 PMAQI
11th Jul 2025502 PMAQI
11th Jul 2025503 PMAQI
11th Jul 2025514 PMAQI
11th Jul 2025525 PMAQI
11th Jul 2025526 PMAQI
11th Jul 2025517 PMAQI
11th Jul 2025518 PMAQI
11th Jul 2025529 PMAQI
11th Jul 20255110 PMAQI
11th Jul 20255011 PMAQI
12th Jul 20255012 AMAQI
12th Jul 2025491 AMAQI
12th Jul 2025442 AMAQI
12th Jul 2025453 AMAQI
12th Jul 2025444 AMAQI

26°C20/31°C

12th Jul 2025445 AMAQI
12th Jul 2025426 AMAQI
12th Jul 2025407 AMAQI
12th Jul 2025408 AMAQI
12th Jul 2025449 AMAQI
12th Jul 20254410 AMAQI
12th Jul 20254411 AMAQI
12th Jul 20254312 PMAQI
12th Jul 2025441 PMAQI
12th Jul 2025462 PMAQI
12th Jul 2025473 PMAQI
12th Jul 2025454 PMAQI
12th Jul 2025445 PMAQI
12th Jul 2025446 PMAQI
12th Jul 2025457 PMAQI
12th Jul 2025468 PMAQI
12th Jul 2025469 PMAQI
12th Jul 20254410 PMAQI
12th Jul 20254411 PMAQI
13th Jul 20254412 AMAQI
13th Jul 2025451 AMAQI
13th Jul 2025342 AMAQI
13th Jul 2025383 AMAQI
13th Jul 2025384 AMAQI

29°C22/36°C

13th Jul 2025375 AMAQI
13th Jul 2025366 AMAQI
13th Jul 2025367 AMAQI
13th Jul 2025388 AMAQI
13th Jul 2025429 AMAQI
13th Jul 20254210 AMAQI
13th Jul 20254211 AMAQI
13th Jul 20254212 PMAQI
13th Jul 2025401 PMAQI
13th Jul 2025402 PMAQI
13th Jul 2025403 PMAQI
13th Jul 2025394 PMAQI
13th Jul 2025415 PMAQI
13th Jul 2025406 PMAQI
13th Jul 2025417 PMAQI
13th Jul 2025428 PMAQI
13th Jul 2025409 PMAQI
13th Jul 20254210 PMAQI
13th Jul 20254211 PMAQI
14th Jul 20254012 AMAQI
14th Jul 2025401 AMAQI
14th Jul 2025332 AMAQI
14th Jul 2025353 AMAQI
14th Jul 2025364 AMAQI

27°C23/30°C

14th Jul 2025345 AMAQI
14th Jul 2025316 AMAQI
14th Jul 2025337 AMAQI
14th Jul 2025388 AMAQI
14th Jul 2025419 AMAQI
14th Jul 20254210 AMAQI
14th Jul 20254011 AMAQI
14th Jul 20254012 PMAQI
14th Jul 2025431 PMAQI
14th Jul 2025442 PMAQI
14th Jul 2025453 PMAQI
14th Jul 2025434 PMAQI
14th Jul 2025445 PMAQI
14th Jul 2025446 PMAQI
14th Jul 2025467 PMAQI
14th Jul 2025448 PMAQI
14th Jul 2025439 PMAQI
14th Jul 20254210 PMAQI
14th Jul 20254411 PMAQI
15th Jul 20254412 AMAQI
15th Jul 2025441 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025493 AMAQI
15th Jul 2025524 AMAQI

27°C22/34°C

15th Jul 2025545 AMAQI
15th Jul 2025686 AMAQI
15th Jul 2025687 AMAQI
15th Jul 2025658 AMAQI
15th Jul 2025589 AMAQI
15th Jul 20255910 AMAQI
15th Jul 20256011 AMAQI
15th Jul 20256012 PMAQI
15th Jul 2025601 PMAQI
15th Jul 2025592 PMAQI
15th Jul 2025593 PMAQI
15th Jul 2025594 PMAQI
15th Jul 2025595 PMAQI
15th Jul 2025586 PMAQI
15th Jul 2025607 PMAQI
15th Jul 2025588 PMAQI
15th Jul 2025589 PMAQI
15th Jul 20255910 PMAQI
15th Jul 20255911 PMAQI
16th Jul 20255912 AMAQI
16th Jul 2025611 AMAQI
16th Jul 2025702 AMAQI
16th Jul 2025713 AMAQI
16th Jul 2025734 AMAQI

27°C20/35°C

16th Jul 2025795 AMAQI
16th Jul 2025766 AMAQI
16th Jul 2025787 AMAQI
16th Jul 2025778 AMAQI
16th Jul 2025749 AMAQI
16th Jul 20257410 AMAQI
16th Jul 20257211 AMAQI
16th Jul 20257112 PMAQI
16th Jul 2025691 PMAQI
16th Jul 2025712 PMAQI
16th Jul 2025763 PMAQI
16th Jul 2025724 PMAQI
16th Jul 2025725 PMAQI
16th Jul 2025716 PMAQI
16th Jul 2025687 PMAQI
16th Jul 2025668 PMAQI
16th Jul 2025669 PMAQI
16th Jul 20256410 PMAQI
16th Jul 20256111 PMAQI
17th Jul 20256212 AMAQI
17th Jul 2025621 AMAQI
17th Jul 2025412 AMAQI
17th Jul 2025483 AMAQI
17th Jul 2025464 AMAQI

26°C18/36°C

17th Jul 2025435 AMAQI
17th Jul 2025436 AMAQI
17th Jul 2025447 AMAQI
17th Jul 2025468 AMAQI
17th Jul 2025479 AMAQI
17th Jul 20254510 AMAQI
17th Jul 20254411 AMAQI
17th Jul 20254612 PMAQI
17th Jul 2025501 PMAQI
17th Jul 2025502 PMAQI
17th Jul 2025453 PMAQI
17th Jul 2025444 PMAQI
17th Jul 2025425 PMAQI
17th Jul 2025446 PMAQI
17th Jul 2025437 PMAQI
17th Jul 2025428 PMAQI
17th Jul 2025419 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20254111 PMAQI
18th Jul 20254012 AMAQI
18th Jul 2025351 AMAQI
18th Jul 2025232 AMAQI
18th Jul 2025233 AMAQI
18th Jul 2025244 AMAQI

24°C18/29°C

18th Jul 2025235 AMAQI
18th Jul 2025236 AMAQI
18th Jul 2025237 AMAQI
18th Jul 2025248 AMAQI
18th Jul 2025239 AMAQI
18th Jul 20252310 AMAQI
18th Jul 20252411 AMAQI
18th Jul 20252312 PMAQI
18th Jul 2025241 PMAQI
18th Jul 2025232 PMAQI
18th Jul 2025243 PMAQI
18th Jul 2025244 PMAQI
18th Jul 2025245 PMAQI
18th Jul 2025246 PMAQI
18th Jul 2025267 PMAQI
18th Jul 2025268 PMAQI
18th Jul 2025259 PMAQI
18th Jul 20252310 PMAQI
18th Jul 20252411 PMAQI
19th Jul 20252612 AMAQI
19th Jul 2025251 AMAQI
19th Jul 2025442 AMAQI
19th Jul 2025413 AMAQI
19th Jul 2025374 AMAQI

20°C14/27°C

19th Jul 2025365 AMAQI
19th Jul 2025326 AMAQI
19th Jul 2025287 AMAQI
19th Jul 2025288 AMAQI
19th Jul 2025309 AMAQI
19th Jul 20252910 AMAQI
19th Jul 20253811 AMAQI
19th Jul 20253612 PMAQI
19th Jul 2025361 PMAQI
19th Jul 2025352 PMAQI
19th Jul 2025353 PMAQI
19th Jul 2025324 PMAQI
19th Jul 2025325 PMAQI
19th Jul 2025326 PMAQI
19th Jul 2025327 PMAQI
19th Jul 2025308 PMAQI
19th Jul 2025329 PMAQI
19th Jul 20253310 PMAQI
19th Jul 20253111 PMAQI
20th Jul 20253312 AMAQI
20th Jul 2025311 AMAQI
20th Jul 2025262 AMAQI
20th Jul 2025253 AMAQI
20th Jul 2025224 AMAQI

23°C15/31°C

20th Jul 2025235 AMAQI
20th Jul 2025226 AMAQI
20th Jul 2025227 AMAQI
20th Jul 2025248 AMAQI
20th Jul 2025239 AMAQI
20th Jul 20252410 AMAQI
20th Jul 20252511 AMAQI
20th Jul 20252412 PMAQI
20th Jul 2025221 PMAQI
20th Jul 2025242 PMAQI
20th Jul 2025243 PMAQI
20th Jul 2025234 PMAQI
20th Jul 2025245 PMAQI
20th Jul 2025256 PMAQI
20th Jul 2025267 PMAQI
20th Jul 2025268 PMAQI
20th Jul 2025269 PMAQI
20th Jul 20252810 PMAQI
20th Jul 20252811 PMAQI
21st Jul 20253012 AMAQI
21st Jul 2025321 AMAQI
21st Jul 2025432 AMAQI
21st Jul 2025483 AMAQI
21st Jul 2025584 AMAQI

23°C19/28°C

21st Jul 2025625 AMAQI
21st Jul 2025676 AMAQI
21st Jul 2025647 AMAQI
21st Jul 2025618 AMAQI
21st Jul 2025569 AMAQI
21st Jul 20255110 AMAQI
21st Jul 20254611 AMAQI
21st Jul 20254312 PMAQI
21st Jul 2025401 PMAQI
21st Jul 2025382 PMAQI
21st Jul 2025403 PMAQI
21st Jul 2025424 PMAQI
21st Jul 2025465 PMAQI
21st Jul 2025476 PMAQI
21st Jul 2025467 PMAQI
21st Jul 2025478 PMAQI
21st Jul 2025509 PMAQI
21st Jul 20255010 PMAQI
21st Jul 20254911 PMAQI
22nd Jul 20254712 AMAQI
22nd Jul 2025411 AMAQI
22nd Jul 2025232 AMAQI
22nd Jul 2025213 AMAQI
22nd Jul 2025214 AMAQI

20°C16/24°C

22nd Jul 2025185 AMAQI
22nd Jul 2025206 AMAQI
22nd Jul 2025207 AMAQI
22nd Jul 2025218 AMAQI
22nd Jul 2025239 AMAQI
22nd Jul 20252410 AMAQI
22nd Jul 20252411 AMAQI
22nd Jul 20252512 PMAQI
22nd Jul 2025261 PMAQI
22nd Jul 2025242 PMAQI
22nd Jul 2025253 PMAQI
22nd Jul 2025264 PMAQI
22nd Jul 2025265 PMAQI
22nd Jul 2025266 PMAQI
22nd Jul 2025257 PMAQI
22nd Jul 2025268 PMAQI
22nd Jul 2025249 PMAQI
22nd Jul 20252410 PMAQI
22nd Jul 20252411 PMAQI
23rd Jul 20252512 AMAQI
23rd Jul 2025241 AMAQI
23rd Jul 2025222 AMAQI
23rd Jul 2025223 AMAQI
23rd Jul 2025224 AMAQI

20°C14/25°C

23rd Jul 2025225 AMAQI
23rd Jul 2025226 AMAQI
23rd Jul 2025227 AMAQI
23rd Jul 2025248 AMAQI
23rd Jul 2025249 AMAQI
23rd Jul 20252510 AMAQI
23rd Jul 20253011 AMAQI
23rd Jul 20253012 PMAQI
23rd Jul 2025271 PMAQI
23rd Jul 2025282 PMAQI
23rd Jul 2025273 PMAQI
23rd Jul 2025284 PMAQI
23rd Jul 2025285 PMAQI
23rd Jul 2025286 PMAQI
23rd Jul 2025267 PMAQI
23rd Jul 2025268 PMAQI
23rd Jul 2025249 PMAQI
23rd Jul 20252410 PMAQI
23rd Jul 20252711 PMAQI
24th Jul 20252812 AMAQI
24th Jul 2025281 AMAQI
24th Jul 2025282 AMAQI
24th Jul 2025273 AMAQI
24th Jul 2025314 AMAQI

24°C16/32°C

24th Jul 2025305 AMAQI
24th Jul 2025316 AMAQI
24th Jul 2025297 AMAQI
24th Jul 2025308 AMAQI
24th Jul 2025349 AMAQI
24th Jul 20253510 AMAQI
24th Jul 20253711 AMAQI
24th Jul 20254212 PMAQI
24th Jul 2025471 PMAQI
24th Jul 2025502 PMAQI
24th Jul 2025483 PMAQI
24th Jul 2025454 PMAQI
24th Jul 2025425 PMAQI
24th Jul 2025476 PMAQI
24th Jul 2025427 PMAQI
24th Jul 2025428 PMAQI
24th Jul 2025399 PMAQI
24th Jul 20253710 PMAQI
24th Jul 20253911 PMAQI
25th Jul 20253512 AMAQI
25th Jul 2025341 AMAQI
25th Jul 2025252 AMAQI
25th Jul 2025243 AMAQI
25th Jul 2025264 AMAQI

27°C18/36°C

25th Jul 2025265 AMAQI
25th Jul 2025306 AMAQI
25th Jul 2025307 AMAQI
25th Jul 2025318 AMAQI
25th Jul 2025329 AMAQI
25th Jul 20253010 AMAQI
25th Jul 20253011 AMAQI
25th Jul 20252612 PMAQI
25th Jul 2025271 PMAQI
25th Jul 2025262 PMAQI
25th Jul 2025263 PMAQI
25th Jul 2025284 PMAQI
25th Jul 2025305 PMAQI
25th Jul 2025316 PMAQI
25th Jul 2025347 PMAQI
25th Jul 2025358 PMAQI
25th Jul 2025339 PMAQI
25th Jul 20253410 PMAQI
25th Jul 20253611 PMAQI
26th Jul 20253612 AMAQI
26th Jul 2025361 AMAQI
26th Jul 2025502 AMAQI
26th Jul 2025543 AMAQI
26th Jul 2025524 AMAQI

27°C23/30°C

26th Jul 2025525 AMAQI
26th Jul 2025506 AMAQI
26th Jul 2025517 AMAQI
26th Jul 2025478 AMAQI
26th Jul 2025569 AMAQI
26th Jul 20255710 AMAQI
26th Jul 20255611 AMAQI
26th Jul 20256112 PMAQI
26th Jul 2025561 PMAQI
26th Jul 2025562 PMAQI
26th Jul 2025533 PMAQI
26th Jul 2025524 PMAQI
26th Jul 2025535 PMAQI
26th Jul 2025536 PMAQI
26th Jul 2025527 PMAQI
26th Jul 2025528 PMAQI
26th Jul 2025529 PMAQI
26th Jul 20255210 PMAQI
26th Jul 20255011 PMAQI
27th Jul 20255112 AMAQI
27th Jul 2025461 AMAQI
27th Jul 2025322 AMAQI
27th Jul 2025323 AMAQI
27th Jul 2025344 AMAQI

25°C21/31°C

27th Jul 2025305 AMAQI
27th Jul 2025286 AMAQI
27th Jul 2025267 AMAQI
27th Jul 2025268 AMAQI
27th Jul 2025299 AMAQI
27th Jul 20253110 AMAQI
27th Jul 20253011 AMAQI
27th Jul 20253312 PMAQI
27th Jul 2025361 PMAQI
27th Jul 2025362 PMAQI
27th Jul 2025383 PMAQI
27th Jul 2025374 PMAQI
27th Jul 2025365 PMAQI
27th Jul 2025366 PMAQI
27th Jul 2025387 PMAQI
27th Jul 2025368 PMAQI
27th Jul 2025359 PMAQI
27th Jul 20253610 PMAQI
27th Jul 20253711 PMAQI
28th Jul 20253912 AMAQI
28th Jul 2025411 AMAQI
28th Jul 2025532 AMAQI
28th Jul 2025523 AMAQI
28th Jul 2025524 AMAQI

27°C22/34°C

28th Jul 2025535 AMAQI
28th Jul 2025536 AMAQI
28th Jul 2025557 AMAQI
28th Jul 2025538 AMAQI
28th Jul 2025549 AMAQI
28th Jul 20255310 AMAQI
28th Jul 20255311 AMAQI
28th Jul 20255312 PMAQI
28th Jul 2025521 PMAQI
28th Jul 2025522 PMAQI
28th Jul 2025523 PMAQI
28th Jul 2025534 PMAQI
28th Jul 2025525 PMAQI
28th Jul 2025536 PMAQI
28th Jul 2025537 PMAQI
28th Jul 2025528 PMAQI
28th Jul 2025529 PMAQI
28th Jul 20255210 PMAQI
28th Jul 20255111 PMAQI
29th Jul 20255212 AMAQI
29th Jul 2025521 AMAQI
29th Jul 2025422 AMAQI
29th Jul 2025443 AMAQI
29th Jul 2025474 AMAQI

27°C19/36°C

29th Jul 2025465 AMAQI
29th Jul 2025466 AMAQI
29th Jul 2025467 AMAQI
29th Jul 2025428 AMAQI
29th Jul 2025489 AMAQI
29th Jul 20254510 AMAQI
29th Jul 20254411 AMAQI
29th Jul 20254312 PMAQI
29th Jul 2025441 PMAQI
29th Jul 2025432 PMAQI
29th Jul 2025423 PMAQI
29th Jul 2025454 PMAQI
29th Jul 2025495 PMAQI
29th Jul 2025486 PMAQI
29th Jul 2025487 PMAQI
29th Jul 2025478 PMAQI
29th Jul 2025479 PMAQI
29th Jul 20254810 PMAQI
29th Jul 20254511 PMAQI
30th Jul 20254612 AMAQI
30th Jul 2025461 AMAQI
30th Jul 2025422 AMAQI
30th Jul 2025423 AMAQI
30th Jul 2025424 AMAQI

27°C21/35°C

30th Jul 2025405 AMAQI
30th Jul 2025426 AMAQI
30th Jul 2025427 AMAQI
30th Jul 2025398 AMAQI
30th Jul 2025439 AMAQI
30th Jul 20254210 AMAQI
30th Jul 20254311 AMAQI
30th Jul 20254212 PMAQI
30th Jul 2025461 PMAQI
30th Jul 2025512 PMAQI
30th Jul 2025493 PMAQI
30th Jul 2025504 PMAQI
30th Jul 2025515 PMAQI
30th Jul 2025516 PMAQI
30th Jul 2025517 PMAQI
30th Jul 2025518 PMAQI
30th Jul 2025519 PMAQI
30th Jul 20255110 PMAQI
30th Jul 20254911 PMAQI
31st Jul 20255112 AMAQI
31st Jul 2025501 AMAQI
31st Jul 2025602 AMAQI
31st Jul 2025673 AMAQI
31st Jul 2025834 AMAQI

26°C21/30°C

31st Jul 2025825 AMAQI
31st Jul 2025826 AMAQI
31st Jul 2025867 AMAQI
31st Jul 20251098 AMAQI
31st Jul 20251339 AMAQI
31st Jul 20259610 AMAQI
31st Jul 20256111 AMAQI
31st Jul 202510412 PMAQI
31st Jul 20251481 PMAQI
31st Jul 20251542 PMAQI
31st Jul 20251493 PMAQI
31st Jul 20251164 PMAQI
31st Jul 2025995 PMAQI
31st Jul 2025866 PMAQI
31st Jul 2025827 PMAQI
31st Jul 2025848 PMAQI
31st Jul 20251399 PMAQI
31st Jul 202511210 PMAQI
31st Jul 20259211 PMAQI
1st Aug 20258812 AMAQI
1st Aug 2025921 AMAQI
1st Aug 2025862 AMAQI
1st Aug 2025733 AMAQI
1st Aug 2025774 AMAQI

21°C17/24°C

1st Aug 2025795 AMAQI
1st Aug 2025816 AMAQI
1st Aug 2025787 AMAQI
1st Aug 2025768 AMAQI
1st Aug 2025729 AMAQI
1st Aug 20256710 AMAQI
1st Aug 20255811 AMAQI
1st Aug 20254612 PMAQI
1st Aug 2025401 PMAQI
1st Aug 2025362 PMAQI
1st Aug 2025323 PMAQI
1st Aug 2025274 PMAQI
1st Aug 2025265 PMAQI
1st Aug 2025246 PMAQI
1st Aug 2025247 PMAQI
1st Aug 2025228 PMAQI
1st Aug 2025539 PMAQI
1st Aug 20253710 PMAQI
1st Aug 20252411 PMAQI
2nd Aug 20252512 AMAQI
2nd Aug 2025261 AMAQI
2nd Aug 2025282 AMAQI
2nd Aug 2025303 AMAQI
2nd Aug 2025284 AMAQI

21°C15/27°C

2nd Aug 2025285 AMAQI
5 AM
2nd Aug 2025286 AMAQI
2nd Aug 2025297 AMAQI
2nd Aug 2025278 AMAQI
2nd Aug 2025329 AMAQI
2nd Aug 20253210 AMAQI
2nd Aug 20252911 AMAQI
2nd Aug 20253112 PMAQI
12 PM
2nd Aug 2025291 PMAQI
2nd Aug 2025292 PMAQI
2nd Aug 2025323 PMAQI
2nd Aug 2025444 PMAQI
2nd Aug 2025515 PMAQI
8 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 8 PM

45AQI

16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM

45AQI

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. 45), while the lowest AQI was between 5 AM to 8 PM (Avg. 45).
Night time
Avg. Highest Time
9 PM - 11 PM

45AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
12 AM - 4 AM

43AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 11 PM (Avg. 45), while the lowest AQI was between 12 AM to 4 AM (Avg. 43).

2025 Days Vs Air Quality

Hamilton Mountain, Hamilton, Ontario, Canada

2025

86%

183

14%

30

Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)

Good
183 Days
Moderate
30 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 86%

Health Risk Level:

Low

In 2025, 86% of 214 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

Hamilton Mountain, Hamilton, 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
21AQI
2nd January 2025
21AQI
3rd January 2025
23AQI
4th January 2025
27AQI
5th January 2025
25AQI
6th January 2025
22AQI
7th January 2025
22AQI
8th January 2025
26AQI
9th January 2025
27AQI
10th January 2025
44AQI
11th January 2025
64AQI
12th January 2025
53AQI
13th January 2025
40AQI
14th January 2025
28AQI
15th January 2025
27AQI
16th January 2025
54AQI
17th January 2025
44AQI
18th January 2025
26AQI
19th January 2025
25AQI
20th January 2025
24AQI
21st January 2025
23AQI
22nd January 2025
29AQI
23rd January 2025
42AQI
24th January 2025
27AQI
25th January 2025
51AQI
26th January 2025
32AQI
27th January 2025
27AQI
28th January 2025
27AQI
29th January 2025
26AQI
30th January 2025
24AQI
31st January 2025
56AQI
1st February 2025
26AQI
2nd February 2025
30AQI
3rd February 2025
56AQI
4th February 2025
24AQI
5th February 2025
24AQI
6th February 2025
37AQI
7th February 2025
28AQI
8th February 2025
43AQI
9th February 2025
33AQI
10th February 2025
29AQI
11th February 2025
49AQI
12th February 2025
27AQI
13th February 2025
29AQI
14th February 2025
30AQI
15th February 2025
39AQI
16th February 2025
30AQI
17th February 2025
26AQI
18th February 2025
26AQI
19th February 2025
22AQI
20th February 2025
21AQI
21st February 2025
25AQI
22nd February 2025
50AQI
23rd February 2025
60AQI
24th February 2025
54AQI
25th February 2025
56AQI
26th February 2025
36AQI
27th February 2025
43AQI
28th February 2025
23AQI
1st March 2025
28AQI
2nd March 2025
26AQI
3rd March 2025
31AQI
4th March 2025
37AQI
5th March 2025
53AQI
6th March 2025
24AQI
7th March 2025
30AQI
8th March 2025
32AQI
9th March 2025
28AQI
10th March 2025
30AQI
11th March 2025
30AQI
12th March 2025
24AQI
13th March 2025
34AQI
14th March 2025
62AQI
15th March 2025
60AQI
16th March 2025
31AQI
17th March 2025
16AQI
18th March 2025
24AQI
19th March 2025
43AQI
20th March 2025
27AQI
21st March 2025
17AQI
22nd March 2025
17AQI
23rd March 2025
20AQI
24th March 2025
23AQI
25th March 2025
20AQI
26th March 2025
18AQI
27th March 2025
23AQI
28th March 2025
24AQI
29th March 2025
27AQI
30th March 2025
32AQI
31st March 2025
25AQI
1st April 2025
17AQI
2nd April 2025
20AQI
3rd April 2025
27AQI
4th April 2025
20AQI
5th April 2025
25AQI
6th April 2025
17AQI
7th April 2025
20AQI
8th April 2025
13AQI
9th April 2025
19AQI
10th April 2025
27AQI
11th April 2025
40AQI
12th April 2025
36AQI
13th April 2025
32AQI
14th April 2025
33AQI
15th April 2025
17AQI
16th April 2025
15AQI
17th April 2025
19AQI
18th April 2025
40AQI
19th April 2025
42AQI
20th April 2025
19AQI
21st April 2025
27AQI
22nd April 2025
15AQI
23rd April 2025
29AQI
24th April 2025
43AQI
25th April 2025
50AQI
26th April 2025
29AQI
27th April 2025
14AQI
28th April 2025
24AQI
29th April 2025
39AQI
30th April 2025
23AQI
1st May 2025
35AQI
2nd May 2025
33AQI
3rd May 2025
19AQI
4th May 2025
18AQI
5th May 2025
21AQI
6th May 2025
24AQI
7th May 2025
30AQI
8th May 2025
20AQI
9th May 2025
24AQI
10th May 2025
25AQI
11th May 2025
23AQI
12th May 2025
34AQI
13th May 2025
39AQI
14th May 2025
31AQI
15th May 2025
38AQI
16th May 2025
35AQI
17th May 2025
28AQI
18th May 2025
18AQI
19th May 2025
17AQI
20th May 2025
16AQI
21st May 2025
21AQI
22nd May 2025
15AQI
23rd May 2025
11AQI
24th May 2025
12AQI
25th May 2025
14AQI
26th May 2025
20AQI
27th May 2025
31AQI
28th May 2025
31AQI
29th May 2025
26AQI
30th May 2025
33AQI
31st May 2025
27AQI
1st June 2025
16AQI
2nd June 2025
19AQI
3rd June 2025
35AQI
4th June 2025
68AQI
5th June 2025
52AQI
6th June 2025
63AQI
7th June 2025
64AQI
8th June 2025
83AQI
9th June 2025
64AQI
10th June 2025
52AQI
11th June 2025
59AQI
12th June 2025
67AQI
13th June 2025
49AQI
14th June 2025
35AQI
15th June 2025
41AQI
16th June 2025
41AQI
17th June 2025
44AQI
18th June 2025
37AQI
19th June 2025
30AQI
20th June 2025
34AQI
21st June 2025
42AQI
22nd June 2025
42AQI
23rd June 2025
52AQI
24th June 2025
54AQI
25th June 2025
49AQI
26th June 2025
48AQI
27th June 2025
43AQI
28th June 2025
33AQI
29th June 2025
34AQI
30th June 2025
39AQI
1st July 2025
37AQI
2nd July 2025
40AQI
3rd July 2025
46AQI
4th July 2025
38AQI
5th July 2025
47AQI
6th July 2025
50AQI
7th July 2025
50AQI
8th July 2025
40AQI
9th July 2025
42AQI
10th July 2025
41AQI
11th July 2025
51AQI
12th July 2025
45AQI
13th July 2025
41AQI
14th July 2025
40AQI
15th July 2025
56AQI
16th July 2025
68AQI
17th July 2025
48AQI
18th July 2025
28AQI
19th July 2025
33AQI
20th July 2025
25AQI
21st July 2025
48AQI
22nd July 2025
25AQI
23rd July 2025
25AQI
24th July 2025
37AQI
25th July 2025
30AQI
26th July 2025
51AQI
27th July 2025
35AQI
28th July 2025
52AQI
29th July 2025
46AQI
30th July 2025
46AQI
31st July 2025
95AQI
1st August 2025
60AQI

32AQI

35AQI

30AQI

26AQI

25AQI

46AQI

44AQI

60AQI

No. of days

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

202534AQI

26
5
24
4
28
3
30
31
19
11
25
6
1
183
30

Highest AQI recorded in

August

60AQI

Lowest AQI recorded in

May

25AQI

202435AQI

26
5
24
5
29
2
28
2
22
9
25
3
29
2
24
7
22
8
30
1
30
30
1
319
45

Highest AQI recorded in

May

40AQI

Lowest AQI recorded in

November

25AQI

202343AQI

24
7
23
5
25
6
24
6
26
5
9
13
7
1
19
11
1
18
13
23
7
28
3
26
3
22
9
267
88
8
1

Highest AQI recorded in

June

78AQI

Lowest AQI recorded in

October

31AQI

202236AQI

29
2
20
1
27
4
26
3
23
8
22
8
20
3
1
26
2
25
4
2
26
4
28
3
273
42
2

Highest AQI recorded in

May

42AQI

Lowest AQI recorded in

August

24AQI

202136AQI

24
6
26
2
24
7
22
8
27
4
25
5
22
9
25
6
29
1
31
30
28
3
313
51

Highest AQI recorded in

April

41AQI

Lowest AQI recorded in

November

29AQI

202035AQI

11
2
21
14
4
26
4
27
4
29
2
28
2
30
1
25
5
25
6
236
30

Highest AQI recorded in

May

41AQI

Lowest AQI recorded in

October

26AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
43AQI
Least Polluted Year Recorded
2025(Avg.)
34AQI

Hamilton Mountain's annual 2025 AQI (34) shows an average percentage change of -6.8% (improved AQI) compared to previous years: 2020 (35), 2021 (36), 2022 (36), 2023 (43), 2024 (35).