Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Gatineau Hull Area, Ottawa, 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

Gatineau Hull Area, Ottawa, Ontario, Canada

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
20th Aug 2023
74AQI
Lowest AQI recorded on
9th Aug 2024
13AQI

Same Day Analysis (12th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 52 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 13th Aug - 14th Aug 2025

Gatineau Hull Area, Ottawa, Ontario, Canada

AQI
Day
Night
.

5 AM13th Aug 2025

8 PM

4 AM14th Aug 2025

Day time
Avg. Highest Time
9AM13th Aug

55AQI

Avg. Lowest Time
7PM13th Aug

34AQI

Night time
Avg. Highest Time
5AM13th Aug

54AQI

Avg. Lowest Time
11PM13th Aug

44AQI

In the last 24 hours,

Gatineau Hull Area's AQI reached its highest point of 55 at 9 AM during the Day, while the lowest point, undefined, was recorded at 4 AM during the Night between 13th Aug and 14th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Gatineau Hull Area, Ottawa, Ontario, Canada

JulAug
15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th
Day
Night
15th Jul 2025335 AMAQI
15th Jul 2025346 AMAQI
15th Jul 2025417 AMAQI
15th Jul 2025468 AMAQI
15th Jul 2025609 AMAQI
15th Jul 20255910 AMAQI
15th Jul 20256211 AMAQI
15th Jul 20256312 PMAQI
15th Jul 2025451 PMAQI
15th Jul 2025482 PMAQI
15th Jul 2025493 PMAQI
15th Jul 2025484 PMAQI
15th Jul 2025515 PMAQI
15th Jul 2025506 PMAQI
15th Jul 2025507 PMAQI
15th Jul 2025518 PMAQI
15th Jul 2025519 PMAQI
15th Jul 20254910 PMAQI
15th Jul 20255011 PMAQI
16th Jul 20254812 AMAQI
16th Jul 2025481 AMAQI
16th Jul 2025482 AMAQI
16th Jul 2025423 AMAQI
16th Jul 2025504 AMAQI

26°C18/34°C

16th Jul 2025505 AMAQI
16th Jul 2025506 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025568 AMAQI
16th Jul 2025669 AMAQI
16th Jul 20256410 AMAQI
16th Jul 20256411 AMAQI
16th Jul 20256012 PMAQI
16th Jul 2025601 PMAQI
16th Jul 2025642 PMAQI
16th Jul 2025643 PMAQI
16th Jul 2025624 PMAQI
16th Jul 2025565 PMAQI
16th Jul 2025566 PMAQI
16th Jul 2025567 PMAQI
16th Jul 2025568 PMAQI
16th Jul 2025559 PMAQI
16th Jul 20255410 PMAQI
16th Jul 20255411 PMAQI
17th Jul 20255412 AMAQI
17th Jul 2025541 AMAQI
17th Jul 2025542 AMAQI
17th Jul 2025653 AMAQI
17th Jul 2025644 AMAQI

28°C19/35°C

17th Jul 2025745 AMAQI
17th Jul 2025646 AMAQI
17th Jul 2025617 AMAQI
17th Jul 2025548 AMAQI
17th Jul 2025539 AMAQI
17th Jul 20254810 AMAQI
17th Jul 20254611 AMAQI
17th Jul 20254612 PMAQI
17th Jul 2025481 PMAQI
17th Jul 2025482 PMAQI
17th Jul 2025493 PMAQI
17th Jul 2025514 PMAQI
17th Jul 2025535 PMAQI
17th Jul 2025536 PMAQI
17th Jul 2025537 PMAQI
17th Jul 2025528 PMAQI
17th Jul 2025539 PMAQI
17th Jul 20255410 PMAQI
17th Jul 20255211 PMAQI
18th Jul 20255012 AMAQI
18th Jul 2025491 AMAQI
18th Jul 2025502 AMAQI
18th Jul 2025183 AMAQI
18th Jul 2025194 AMAQI

24°C18/30°C

18th Jul 2025185 AMAQI
18th Jul 2025196 AMAQI
18th Jul 2025197 AMAQI
18th Jul 2025198 AMAQI
18th Jul 2025199 AMAQI
18th Jul 20252010 AMAQI
18th Jul 20252011 AMAQI
18th Jul 20252112 PMAQI
18th Jul 2025211 PMAQI
18th Jul 2025222 PMAQI
18th Jul 2025243 PMAQI
18th Jul 2025244 PMAQI
18th Jul 2025245 PMAQI
18th Jul 2025246 PMAQI
18th Jul 2025247 PMAQI
18th Jul 2025268 PMAQI
18th Jul 2025249 PMAQI
18th Jul 20252310 PMAQI
18th Jul 20252511 PMAQI
19th Jul 20252612 AMAQI
19th Jul 2025261 AMAQI
19th Jul 2025242 AMAQI
19th Jul 2025233 AMAQI
19th Jul 2025244 AMAQI

20°C12/29°C

19th Jul 2025235 AMAQI
19th Jul 2025246 AMAQI
19th Jul 2025267 AMAQI
19th Jul 2025278 AMAQI
19th Jul 2025269 AMAQI
19th Jul 20252610 AMAQI
19th Jul 20252811 AMAQI
19th Jul 20253212 PMAQI
19th Jul 2025351 PMAQI
19th Jul 2025362 PMAQI
19th Jul 2025383 PMAQI
19th Jul 2025374 PMAQI
19th Jul 2025335 PMAQI
19th Jul 2025336 PMAQI
19th Jul 2025357 PMAQI
19th Jul 2025348 PMAQI
19th Jul 2025329 PMAQI
19th Jul 20253010 PMAQI
19th Jul 20253311 PMAQI
20th Jul 20253312 AMAQI
20th Jul 2025321 AMAQI
20th Jul 2025302 AMAQI
20th Jul 2025293 AMAQI
20th Jul 2025264 AMAQI

22°C16/29°C

20th Jul 2025275 AMAQI
20th Jul 2025256 AMAQI
20th Jul 2025247 AMAQI
20th Jul 2025248 AMAQI
20th Jul 2025269 AMAQI
20th Jul 20252610 AMAQI
20th Jul 20252611 AMAQI
20th Jul 20252512 PMAQI
20th Jul 2025251 PMAQI
20th Jul 2025242 PMAQI
20th Jul 2025233 PMAQI
20th Jul 2025264 PMAQI
20th Jul 2025285 PMAQI
20th Jul 2025306 PMAQI
20th Jul 2025307 PMAQI
20th Jul 2025328 PMAQI
20th Jul 2025309 PMAQI
20th Jul 20252810 PMAQI
20th Jul 20253011 PMAQI
21st Jul 20253012 AMAQI
21st Jul 2025301 AMAQI
21st Jul 2025322 AMAQI
21st Jul 2025563 AMAQI
21st Jul 2025564 AMAQI

22°C18/29°C

21st Jul 2025425 AMAQI
21st Jul 2025266 AMAQI
21st Jul 2025217 AMAQI
21st Jul 2025238 AMAQI
21st Jul 2025269 AMAQI
21st Jul 20252510 AMAQI
21st Jul 20252611 AMAQI
21st Jul 20252412 PMAQI
21st Jul 2025241 PMAQI
21st Jul 2025222 PMAQI
21st Jul 2025223 PMAQI
21st Jul 2025254 PMAQI
21st Jul 2025285 PMAQI
21st Jul 2025276 PMAQI
21st Jul 2025277 PMAQI
21st Jul 2025268 PMAQI
21st Jul 2025279 PMAQI
21st Jul 20252810 PMAQI
21st Jul 20252611 PMAQI
22nd Jul 20252712 AMAQI
22nd Jul 2025261 AMAQI
22nd Jul 2025262 AMAQI
22nd Jul 2025173 AMAQI
22nd Jul 2025194 AMAQI

18°C14/21°C

22nd Jul 2025165 AMAQI
22nd Jul 2025146 AMAQI
22nd Jul 2025147 AMAQI
22nd Jul 2025168 AMAQI
22nd Jul 2025179 AMAQI
22nd Jul 20252010 AMAQI
22nd Jul 20251811 AMAQI
22nd Jul 20251612 PMAQI
22nd Jul 2025171 PMAQI
22nd Jul 2025192 PMAQI
22nd Jul 2025173 PMAQI
22nd Jul 2025174 PMAQI
22nd Jul 2025185 PMAQI
22nd Jul 2025186 PMAQI
22nd Jul 2025187 PMAQI
22nd Jul 2025198 PMAQI
22nd Jul 2025199 PMAQI
22nd Jul 20251910 PMAQI
22nd Jul 20252011 PMAQI
23rd Jul 20252012 AMAQI
23rd Jul 2025201 AMAQI
23rd Jul 2025202 AMAQI
23rd Jul 2025183 AMAQI
23rd Jul 2025224 AMAQI

19°C10/26°C

23rd Jul 2025185 AMAQI
23rd Jul 2025216 AMAQI
23rd Jul 2025227 AMAQI
23rd Jul 2025228 AMAQI
23rd Jul 2025229 AMAQI
23rd Jul 20252210 AMAQI
23rd Jul 20252411 AMAQI
23rd Jul 20252212 PMAQI
23rd Jul 2025211 PMAQI
23rd Jul 2025212 PMAQI
23rd Jul 2025203 PMAQI
23rd Jul 2025224 PMAQI
23rd Jul 2025225 PMAQI
23rd Jul 2025236 PMAQI
23rd Jul 2025217 PMAQI
23rd Jul 2025228 PMAQI
23rd Jul 2025229 PMAQI
23rd Jul 20252210 PMAQI
23rd Jul 20252311 PMAQI
24th Jul 20252212 AMAQI
24th Jul 2025241 AMAQI
24th Jul 2025222 AMAQI
24th Jul 2025183 AMAQI
24th Jul 2025204 AMAQI

21°C14/27°C

24th Jul 2025225 AMAQI
24th Jul 2025216 AMAQI
24th Jul 2025217 AMAQI
24th Jul 2025238 AMAQI
24th Jul 2025269 AMAQI
24th Jul 20252510 AMAQI
24th Jul 20252611 AMAQI
24th Jul 20252712 PMAQI
24th Jul 2025291 PMAQI
24th Jul 2025292 PMAQI
24th Jul 2025303 PMAQI
24th Jul 2025304 PMAQI
24th Jul 2025285 PMAQI
24th Jul 2025286 PMAQI
24th Jul 2025307 PMAQI
24th Jul 2025288 PMAQI
24th Jul 2025279 PMAQI
24th Jul 20252810 PMAQI
24th Jul 20252811 PMAQI
25th Jul 20252912 AMAQI
25th Jul 2025271 AMAQI
25th Jul 2025282 AMAQI
25th Jul 2025323 AMAQI
25th Jul 2025324 AMAQI

26°C16/35°C

25th Jul 2025305 AMAQI
25th Jul 2025286 AMAQI
25th Jul 2025297 AMAQI
25th Jul 2025288 AMAQI
25th Jul 2025289 AMAQI
25th Jul 20252710 AMAQI
25th Jul 20252611 AMAQI
25th Jul 20252412 PMAQI
25th Jul 2025281 PMAQI
25th Jul 2025312 PMAQI
25th Jul 2025403 PMAQI
25th Jul 2025404 PMAQI
25th Jul 2025315 PMAQI
25th Jul 2025346 PMAQI
25th Jul 2025317 PMAQI
25th Jul 2025318 PMAQI
25th Jul 2025339 PMAQI
25th Jul 20253310 PMAQI
25th Jul 20253111 PMAQI
26th Jul 20253112 AMAQI
26th Jul 2025321 AMAQI
26th Jul 2025332 AMAQI
26th Jul 2025493 AMAQI
26th Jul 2025444 AMAQI

26°C22/31°C

26th Jul 2025515 AMAQI
26th Jul 2025556 AMAQI
26th Jul 2025607 AMAQI
26th Jul 2025578 AMAQI
26th Jul 2025579 AMAQI
26th Jul 20255810 AMAQI
26th Jul 20255811 AMAQI
26th Jul 20254612 PMAQI
26th Jul 2025461 PMAQI
26th Jul 2025462 PMAQI
26th Jul 2025573 PMAQI
26th Jul 2025544 PMAQI
26th Jul 2025525 PMAQI
26th Jul 2025526 PMAQI
26th Jul 2025527 PMAQI
26th Jul 2025528 PMAQI
26th Jul 2025529 PMAQI
26th Jul 20255210 PMAQI
26th Jul 20255011 PMAQI
27th Jul 20255212 AMAQI
27th Jul 2025521 AMAQI
27th Jul 2025522 AMAQI
27th Jul 2025583 AMAQI
27th Jul 2025574 AMAQI

25°C18/33°C

27th Jul 2025585 AMAQI
27th Jul 2025576 AMAQI
27th Jul 2025577 AMAQI
27th Jul 2025588 AMAQI
27th Jul 2025599 AMAQI
27th Jul 20255810 AMAQI
27th Jul 20256011 AMAQI
27th Jul 20255812 PMAQI
27th Jul 2025571 PMAQI
27th Jul 2025552 PMAQI
27th Jul 2025543 PMAQI
27th Jul 2025554 PMAQI
27th Jul 2025565 PMAQI
27th Jul 2025566 PMAQI
27th Jul 2025567 PMAQI
27th Jul 2025558 PMAQI
27th Jul 2025559 PMAQI
27th Jul 20255610 PMAQI
27th Jul 20255511 PMAQI
28th Jul 20255612 AMAQI
28th Jul 2025561 AMAQI
28th Jul 2025552 AMAQI
28th Jul 2025583 AMAQI
28th Jul 2025584 AMAQI

26°C20/34°C

28th Jul 2025605 AMAQI
28th Jul 2025586 AMAQI
28th Jul 2025607 AMAQI
28th Jul 2025608 AMAQI
28th Jul 2025599 AMAQI
28th Jul 20255910 AMAQI
28th Jul 20255811 AMAQI
28th Jul 20255812 PMAQI
28th Jul 2025601 PMAQI
28th Jul 2025622 PMAQI
28th Jul 2025623 PMAQI
28th Jul 2025604 PMAQI
28th Jul 2025595 PMAQI
28th Jul 2025596 PMAQI
28th Jul 2025597 PMAQI
28th Jul 2025598 PMAQI
28th Jul 2025589 PMAQI
28th Jul 20255710 PMAQI
28th Jul 20255611 PMAQI
29th Jul 20255612 AMAQI
29th Jul 2025571 AMAQI
29th Jul 2025562 AMAQI
29th Jul 2025523 AMAQI
29th Jul 2025514 AMAQI

28°C20/37°C

29th Jul 2025435 AMAQI
29th Jul 2025386 AMAQI
29th Jul 2025317 AMAQI
29th Jul 2025308 AMAQI
29th Jul 2025349 AMAQI
29th Jul 20253410 AMAQI
29th Jul 20253611 AMAQI
29th Jul 20253612 PMAQI
29th Jul 2025381 PMAQI
29th Jul 2025392 PMAQI
29th Jul 2025423 PMAQI
29th Jul 2025464 PMAQI
29th Jul 2025505 PMAQI
29th Jul 2025516 PMAQI
29th Jul 2025517 PMAQI
29th Jul 2025528 PMAQI
29th Jul 2025509 PMAQI
29th Jul 20255210 PMAQI
29th Jul 20255011 PMAQI
30th Jul 20255012 AMAQI
30th Jul 2025461 AMAQI
30th Jul 2025472 AMAQI
30th Jul 2025603 AMAQI
30th Jul 2025604 AMAQI

25°C22/31°C

30th Jul 2025625 AMAQI
30th Jul 2025656 AMAQI
30th Jul 2025647 AMAQI
30th Jul 2025638 AMAQI
30th Jul 2025639 AMAQI
30th Jul 20256810 AMAQI
30th Jul 20256911 AMAQI
30th Jul 20256712 PMAQI
30th Jul 2025651 PMAQI
30th Jul 2025682 PMAQI
30th Jul 2025673 PMAQI
30th Jul 2025664 PMAQI
30th Jul 2025655 PMAQI
30th Jul 2025656 PMAQI
30th Jul 2025657 PMAQI
30th Jul 2025658 PMAQI
30th Jul 2025659 PMAQI
30th Jul 20256510 PMAQI
30th Jul 20256211 PMAQI
31st Jul 20256212 AMAQI
31st Jul 2025621 AMAQI
31st Jul 2025602 AMAQI
31st Jul 2025623 AMAQI
31st Jul 2025604 AMAQI

24°C19/30°C

31st Jul 2025705 AMAQI
31st Jul 2025666 AMAQI
31st Jul 2025617 AMAQI
31st Jul 2025668 AMAQI
31st Jul 2025619 AMAQI
31st Jul 20255610 AMAQI
31st Jul 20255411 AMAQI
31st Jul 20254512 PMAQI
31st Jul 2025371 PMAQI
31st Jul 2025322 PMAQI
31st Jul 2025323 PMAQI
31st Jul 2025324 PMAQI
31st Jul 2025315 PMAQI
31st Jul 2025326 PMAQI
31st Jul 2025307 PMAQI
31st Jul 2025328 PMAQI
31st Jul 2025549 PMAQI
31st Jul 20254210 PMAQI
31st Jul 20253011 PMAQI
1st Aug 20253012 AMAQI
1st Aug 2025321 AMAQI
1st Aug 2025342 AMAQI
1st Aug 2025303 AMAQI
1st Aug 2025294 AMAQI

21°C16/25°C

1st Aug 2025275 AMAQI
1st Aug 2025246 AMAQI
1st Aug 2025277 AMAQI
1st Aug 2025188 AMAQI
1st Aug 2025189 AMAQI
1st Aug 20251810 AMAQI
1st Aug 20251711 AMAQI
1st Aug 20251712 PMAQI
1st Aug 2025181 PMAQI
1st Aug 2025172 PMAQI
1st Aug 2025183 PMAQI
1st Aug 2025164 PMAQI
1st Aug 2025185 PMAQI
1st Aug 2025166 PMAQI
1st Aug 2025167 PMAQI
1st Aug 2025178 PMAQI
1st Aug 2025189 PMAQI
1st Aug 20252010 PMAQI
1st Aug 20252111 PMAQI
2nd Aug 20252412 AMAQI
2nd Aug 2025261 AMAQI
2nd Aug 2025282 AMAQI
2nd Aug 2025273 AMAQI
2nd Aug 2025254 AMAQI

19°C12/26°C

2nd Aug 2025265 AMAQI
2nd Aug 2025256 AMAQI
2nd Aug 2025247 AMAQI
2nd Aug 2025258 AMAQI
2nd Aug 2025229 AMAQI
2nd Aug 20252210 AMAQI
2nd Aug 20252211 AMAQI
2nd Aug 20253612 PMAQI
2nd Aug 2025541 PMAQI
2nd Aug 2025622 PMAQI
2nd Aug 2025623 PMAQI
2nd Aug 2025604 PMAQI
2nd Aug 2025655 PMAQI
2nd Aug 2025626 PMAQI
2nd Aug 2025507 PMAQI
2nd Aug 2025368 PMAQI
2nd Aug 2025299 PMAQI
2nd Aug 20253110 PMAQI
2nd Aug 20254011 PMAQI
3rd Aug 20254412 AMAQI
3rd Aug 2025421 AMAQI
3rd Aug 2025472 AMAQI
3rd Aug 2025583 AMAQI
3rd Aug 2025504 AMAQI

21°C12/31°C

3rd Aug 2025465 AMAQI
3rd Aug 2025506 AMAQI
3rd Aug 2025497 AMAQI
3rd Aug 2025458 AMAQI
3rd Aug 2025539 AMAQI
3rd Aug 20255810 AMAQI
3rd Aug 20256011 AMAQI
3rd Aug 20256212 PMAQI
3rd Aug 2025681 PMAQI
3rd Aug 2025692 PMAQI
3rd Aug 2025683 PMAQI
3rd Aug 2025684 PMAQI
3rd Aug 2025765 PMAQI
3rd Aug 2025766 PMAQI
3rd Aug 2025587 PMAQI
3rd Aug 2025648 PMAQI
3rd Aug 2025559 PMAQI
3rd Aug 20256310 PMAQI
3rd Aug 20256311 PMAQI
4th Aug 20256012 AMAQI
4th Aug 2025601 AMAQI
4th Aug 2025602 AMAQI
4th Aug 2025583 AMAQI
4th Aug 2025554 AMAQI

24°C15/30°C

4th Aug 2025615 AMAQI
4th Aug 2025646 AMAQI
4th Aug 2025647 AMAQI
4th Aug 2025698 AMAQI
4th Aug 2025689 AMAQI
4th Aug 20257610 AMAQI
4th Aug 20257911 AMAQI
4th Aug 20259112 PMAQI
4th Aug 20251091 PMAQI
4th Aug 20251172 PMAQI
4th Aug 20251083 PMAQI
4th Aug 2025994 PMAQI
4th Aug 2025905 PMAQI
4th Aug 2025816 PMAQI
4th Aug 2025747 PMAQI
4th Aug 2025668 PMAQI
4th Aug 2025729 PMAQI
4th Aug 20256910 PMAQI
4th Aug 20256411 PMAQI
5th Aug 20255812 AMAQI
5th Aug 2025561 AMAQI
5th Aug 2025522 AMAQI
5th Aug 2025493 AMAQI
5th Aug 2025454 AMAQI

23°C18/30°C

5th Aug 2025445 AMAQI
5th Aug 2025426 AMAQI
5th Aug 2025387 AMAQI
5th Aug 2025338 AMAQI
5th Aug 2025319 AMAQI
5th Aug 20252810 AMAQI
5th Aug 20253011 AMAQI
5th Aug 20253012 PMAQI
5th Aug 2025281 PMAQI
5th Aug 2025282 PMAQI
5th Aug 2025293 PMAQI
5th Aug 2025294 PMAQI
5th Aug 2025265 PMAQI
5th Aug 2025306 PMAQI
5th Aug 2025287 PMAQI
5th Aug 2025268 PMAQI
5th Aug 2025319 PMAQI
5th Aug 20253010 PMAQI
5th Aug 20252911 PMAQI
6th Aug 20252912 AMAQI
6th Aug 2025311 AMAQI
6th Aug 2025282 AMAQI
6th Aug 2025303 AMAQI
6th Aug 2025304 AMAQI

22°C16/30°C

6th Aug 2025305 AMAQI
6th Aug 2025296 AMAQI
6th Aug 2025297 AMAQI
6th Aug 2025288 AMAQI
6th Aug 2025289 AMAQI
6th Aug 20252910 AMAQI
6th Aug 20252911 AMAQI
6th Aug 20253012 PMAQI
6th Aug 2025271 PMAQI
6th Aug 2025262 PMAQI
6th Aug 2025273 PMAQI
6th Aug 2025274 PMAQI
6th Aug 2025275 PMAQI
6th Aug 2025286 PMAQI
6th Aug 2025317 PMAQI
6th Aug 2025328 PMAQI
6th Aug 2025309 PMAQI
6th Aug 20253210 PMAQI
6th Aug 20253811 PMAQI
7th Aug 20253712 AMAQI
7th Aug 2025361 AMAQI
7th Aug 2025332 AMAQI
7th Aug 2025313 AMAQI
7th Aug 2025304 AMAQI

23°C15/30°C

7th Aug 2025275 AMAQI
7th Aug 2025266 AMAQI
7th Aug 2025277 AMAQI
7th Aug 2025278 AMAQI
7th Aug 2025289 AMAQI
7th Aug 20253110 AMAQI
7th Aug 20253211 AMAQI
7th Aug 20253312 PMAQI
7th Aug 2025421 PMAQI
7th Aug 2025462 PMAQI
7th Aug 2025513 PMAQI
7th Aug 2025504 PMAQI
7th Aug 2025465 PMAQI
7th Aug 2025446 PMAQI
7th Aug 2025477 PMAQI
7th Aug 2025458 PMAQI
7th Aug 2025389 PMAQI
7th Aug 20253810 PMAQI
7th Aug 20253711 PMAQI
8th Aug 20253912 AMAQI
8th Aug 2025391 AMAQI
8th Aug 2025402 AMAQI
8th Aug 2025523 AMAQI
8th Aug 2025524 AMAQI

24°C16/33°C

8th Aug 2025585 AMAQI
8th Aug 2025606 AMAQI
8th Aug 2025607 AMAQI
8th Aug 2025628 AMAQI
8th Aug 2025659 AMAQI
8th Aug 20256410 AMAQI
8th Aug 20256111 AMAQI
8th Aug 20255912 PMAQI
8th Aug 2025541 PMAQI
8th Aug 2025532 PMAQI
8th Aug 2025523 PMAQI
8th Aug 2025544 PMAQI
8th Aug 2025555 PMAQI
8th Aug 2025546 PMAQI
8th Aug 2025557 PMAQI
8th Aug 2025568 PMAQI
8th Aug 2025559 PMAQI
8th Aug 20255510 PMAQI
8th Aug 20255411 PMAQI
9th Aug 20255512 AMAQI
9th Aug 2025551 AMAQI
9th Aug 2025552 AMAQI
9th Aug 2025573 AMAQI
9th Aug 2025604 AMAQI

25°C16/34°C

9th Aug 2025595 AMAQI
9th Aug 2025626 AMAQI
9th Aug 2025597 AMAQI
9th Aug 2025628 AMAQI
9th Aug 2025629 AMAQI
9th Aug 20256410 AMAQI
9th Aug 20256211 AMAQI
9th Aug 20256612 PMAQI
9th Aug 2025651 PMAQI
9th Aug 2025642 PMAQI
9th Aug 2025633 PMAQI
9th Aug 2025624 PMAQI
9th Aug 2025605 PMAQI
9th Aug 2025596 PMAQI
9th Aug 2025597 PMAQI
9th Aug 2025598 PMAQI
9th Aug 2025589 PMAQI
9th Aug 20255710 PMAQI
9th Aug 20255911 PMAQI
10th Aug 20256112 AMAQI
10th Aug 2025601 AMAQI
10th Aug 2025602 AMAQI
10th Aug 2025633 AMAQI
10th Aug 2025644 AMAQI

25°C18/32°C

10th Aug 2025645 AMAQI
10th Aug 2025646 AMAQI
10th Aug 2025647 AMAQI
10th Aug 2025658 AMAQI
10th Aug 2025649 AMAQI
10th Aug 20256410 AMAQI
10th Aug 20256311 AMAQI
10th Aug 20256212 PMAQI
10th Aug 2025611 PMAQI
10th Aug 2025602 PMAQI
10th Aug 2025593 PMAQI
10th Aug 2025604 PMAQI
10th Aug 2025615 PMAQI
10th Aug 2025626 PMAQI
10th Aug 2025617 PMAQI
10th Aug 2025618 PMAQI
10th Aug 2025609 PMAQI
10th Aug 20255910 PMAQI
10th Aug 20255911 PMAQI
11th Aug 20255912 AMAQI
11th Aug 2025591 AMAQI
11th Aug 2025602 AMAQI
11th Aug 2025543 AMAQI
11th Aug 2025524 AMAQI

28°C22/36°C

11th Aug 2025495 AMAQI
11th Aug 2025506 AMAQI
11th Aug 2025507 AMAQI
11th Aug 2025528 AMAQI
11th Aug 2025569 AMAQI
11th Aug 20255810 AMAQI
11th Aug 20255911 AMAQI
11th Aug 20255912 PMAQI
11th Aug 2025571 PMAQI
11th Aug 2025562 PMAQI
11th Aug 2025563 PMAQI
11th Aug 2025564 PMAQI
11th Aug 2025555 PMAQI
11th Aug 2025566 PMAQI
11th Aug 2025557 PMAQI
11th Aug 2025538 PMAQI
11th Aug 2025579 PMAQI
11th Aug 20255510 PMAQI
11th Aug 20255111 PMAQI
12th Aug 20255212 AMAQI
12th Aug 2025511 AMAQI
12th Aug 2025502 AMAQI
12th Aug 2025513 AMAQI
12th Aug 2025514 AMAQI

28°C22/36°C

12th Aug 2025505 AMAQI
12th Aug 2025516 AMAQI
12th Aug 2025517 AMAQI
12th Aug 2025518 AMAQI
12th Aug 2025529 AMAQI
12th Aug 20255210 AMAQI
12th Aug 20255411 AMAQI
12th Aug 20255312 PMAQI
12th Aug 2025541 PMAQI
12th Aug 2025542 PMAQI
12th Aug 2025543 PMAQI
12th Aug 2025564 PMAQI
12th Aug 2025555 PMAQI
12th Aug 2025556 PMAQI
12th Aug 2025567 PMAQI
12th Aug 2025558 PMAQI
12th Aug 2025529 PMAQI
12th Aug 20255210 PMAQI
12th Aug 20255411 PMAQI
13th Aug 20255412 AMAQI
13th Aug 2025541 AMAQI
13th Aug 2025532 AMAQI
13th Aug 2025543 AMAQI
13th Aug 2025544 AMAQI

28°C19/35°C

13th Aug 2025545 AMAQI
13th Aug 2025546 AMAQI
13th Aug 2025547 AMAQI
13th Aug 2025548 AMAQI
13th Aug 2025559 AMAQI
13th Aug 20255310 AMAQI
13th Aug 20254911 AMAQI
13th Aug 20254012 PMAQI
13th Aug 2025371 PMAQI
13th Aug 2025402 PMAQI
13th Aug 2025383 PMAQI
13th Aug 2025384 PMAQI
13th Aug 2025345 PMAQI
13th Aug 2025356 PMAQI
13th Aug 2025347 PMAQI
13th Aug 2025358 PMAQI
13th Aug 2025529 PMAQI
13th Aug 20254410 PMAQI
13th Aug 20254411 PMAQI
14th Aug 20254512 AMAQI
14th Aug 2025471 AMAQI

26°C20/32°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

43AQI

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

43AQI

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. 43), while the lowest AQI was between 12 AM to 11 PM (Avg. 43).

2025 Days Vs Air Quality

Gatineau Hull Area, Ottawa, Ontario, Canada

2025

89%

199

11%

25

Total number of days with different AQI categories in last 226 days in 2025 (139 days remaining)

Good
199 Days
Moderate
25 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 2025, 89% of 226 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

Gatineau Hull Area, Ottawa, 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
22AQI
2nd January 2025
19AQI
3rd January 2025
20AQI
4th January 2025
22AQI
5th January 2025
22AQI
6th January 2025
27AQI
7th January 2025
20AQI
8th January 2025
20AQI
9th January 2025
22AQI
10th January 2025
26AQI
11th January 2025
38AQI
12th January 2025
30AQI
13th January 2025
53AQI
14th January 2025
26AQI
15th January 2025
22AQI
16th January 2025
38AQI
17th January 2025
49AQI
18th January 2025
30AQI
19th January 2025
21AQI
20th January 2025
24AQI
21st January 2025
43AQI
22nd January 2025
43AQI
23rd January 2025
36AQI
24th January 2025
36AQI
25th January 2025
53AQI
26th January 2025
35AQI
27th January 2025
30AQI
28th January 2025
25AQI
29th January 2025
23AQI
30th January 2025
23AQI
31st January 2025
42AQI
1st February 2025
23AQI
2nd February 2025
36AQI
3rd February 2025
55AQI
4th February 2025
24AQI
5th February 2025
22AQI
6th February 2025
36AQI
7th February 2025
29AQI
8th February 2025
23AQI
9th February 2025
23AQI
10th February 2025
21AQI
11th February 2025
27AQI
12th February 2025
28AQI
13th February 2025
22AQI
14th February 2025
19AQI
15th February 2025
20AQI
16th February 2025
19AQI
17th February 2025
19AQI
18th February 2025
19AQI
19th February 2025
20AQI
20th February 2025
24AQI
21st February 2025
31AQI
22nd February 2025
42AQI
23rd February 2025
51AQI
24th February 2025
51AQI
25th February 2025
56AQI
26th February 2025
31AQI
27th February 2025
38AQI
28th February 2025
25AQI
1st March 2025
23AQI
2nd March 2025
22AQI
3rd March 2025
43AQI
4th March 2025
39AQI
5th March 2025
47AQI
6th March 2025
25AQI
7th March 2025
25AQI
8th March 2025
27AQI
9th March 2025
26AQI
10th March 2025
23AQI
11th March 2025
35AQI
12th March 2025
23AQI
13th March 2025
38AQI
14th March 2025
60AQI
15th March 2025
57AQI
16th March 2025
46AQI
17th March 2025
16AQI
18th March 2025
22AQI
19th March 2025
27AQI
20th March 2025
32AQI
21st March 2025
16AQI
22nd March 2025
20AQI
23rd March 2025
17AQI
24th March 2025
22AQI
25th March 2025
20AQI
26th March 2025
20AQI
27th March 2025
18AQI
28th March 2025
19AQI
29th March 2025
18AQI
30th March 2025
20AQI
31st March 2025
24AQI
1st April 2025
17AQI
2nd April 2025
20AQI
3rd April 2025
20AQI
4th April 2025
19AQI
5th April 2025
20AQI
6th April 2025
20AQI
7th April 2025
20AQI
8th April 2025
18AQI
9th April 2025
16AQI
10th April 2025
29AQI
11th April 2025
27AQI
12th April 2025
25AQI
13th April 2025
27AQI
14th April 2025
29AQI
15th April 2025
20AQI
16th April 2025
15AQI
17th April 2025
15AQI
18th April 2025
32AQI
19th April 2025
37AQI
20th April 2025
15AQI
21st April 2025
16AQI
22nd April 2025
16AQI
23rd April 2025
13AQI
24th April 2025
23AQI
25th April 2025
21AQI
26th April 2025
15AQI
27th April 2025
12AQI
28th April 2025
16AQI
29th April 2025
26AQI
30th April 2025
13AQI
1st May 2025
21AQI
2nd May 2025
20AQI
3rd May 2025
13AQI
4th May 2025
15AQI
5th May 2025
16AQI
6th May 2025
16AQI
7th May 2025
17AQI
8th May 2025
14AQI
9th May 2025
16AQI
10th May 2025
17AQI
11th May 2025
14AQI
12th May 2025
18AQI
13th May 2025
26AQI
14th May 2025
28AQI
15th May 2025
22AQI
16th May 2025
27AQI
17th May 2025
28AQI
18th May 2025
13AQI
19th May 2025
12AQI
20th May 2025
12AQI
21st May 2025
18AQI
22nd May 2025
15AQI
23rd May 2025
14AQI
24th May 2025
12AQI
25th May 2025
15AQI
26th May 2025
20AQI
27th May 2025
24AQI
28th May 2025
26AQI
29th May 2025
20AQI
30th May 2025
20AQI
31st May 2025
22AQI
1st June 2025
13AQI
2nd June 2025
15AQI
3rd June 2025
25AQI
4th June 2025
43AQI
5th June 2025
43AQI
6th June 2025
53AQI
7th June 2025
59AQI
8th June 2025
58AQI
9th June 2025
56AQI
10th June 2025
36AQI
11th June 2025
49AQI
12th June 2025
51AQI
13th June 2025
24AQI
14th June 2025
23AQI
15th June 2025
25AQI
16th June 2025
32AQI
17th June 2025
27AQI
18th June 2025
24AQI
19th June 2025
29AQI
20th June 2025
19AQI
21st June 2025
23AQI
22nd June 2025
23AQI
23rd June 2025
35AQI
24th June 2025
47AQI
25th June 2025
36AQI
26th June 2025
24AQI
27th June 2025
22AQI
28th June 2025
24AQI
29th June 2025
19AQI
30th June 2025
27AQI
1st July 2025
31AQI
2nd July 2025
29AQI
3rd July 2025
38AQI
4th July 2025
24AQI
5th July 2025
26AQI
6th July 2025
45AQI
7th July 2025
42AQI
8th July 2025
26AQI
9th July 2025
26AQI
10th July 2025
29AQI
11th July 2025
35AQI
12th July 2025
45AQI
13th July 2025
40AQI
14th July 2025
45AQI
15th July 2025
47AQI
16th July 2025
55AQI
17th July 2025
55AQI
18th July 2025
25AQI
19th July 2025
30AQI
20th July 2025
28AQI
21st July 2025
30AQI
22nd July 2025
19AQI
23rd July 2025
21AQI
24th July 2025
25AQI
25th July 2025
31AQI
26th July 2025
50AQI
27th July 2025
56AQI
28th July 2025
58AQI
29th July 2025
46AQI
30th July 2025
62AQI
31st July 2025
48AQI
1st August 2025
22AQI
2nd August 2025
37AQI
3rd August 2025
58AQI
4th August 2025
74AQI
5th August 2025
36AQI
6th August 2025
30AQI
7th August 2025
37AQI
8th August 2025
54AQI
9th August 2025
60AQI
10th August 2025
62AQI
11th August 2025
55AQI
12th August 2025
52AQI

30AQI

30AQI

28AQI

20AQI

18AQI

33AQI

38AQI

48AQI

No. of days

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

202529AQI

29
2
24
4
29
2
30
31
25
5
26
5
5
7
199
25

Highest AQI recorded in

August

48AQI

Lowest AQI recorded in

May

18AQI

202428AQI

30
1
25
4
29
2
29
31
27
2
27
4
21
10
30
31
30
28
3
338
26

Highest AQI recorded in

August

34AQI

Lowest AQI recorded in

November

23AQI

202336AQI

30
1
24
4
29
2
28
2
30
1
14
9
7
21
9
1
27
4
24
6
26
5
27
2
25
6
305
51
8

Highest AQI recorded in

June

66AQI

Lowest AQI recorded in

November

27AQI

202230AQI

21
9
19
2
29
2
17
30
1
30
22
1
1
29
28
2
26
4
28
3
280
24

Highest AQI recorded in

January

42AQI

Lowest AQI recorded in

August

21AQI

202132AQI

24
6
22
6
8
2
29
29
2
29
1
25
4
2
23
8
30
31
28
2
25
4
303
35
2

Highest AQI recorded in

August

41AQI

Lowest AQI recorded in

September

20AQI

202026AQI

26
31
31
30
31
23
7
26
5
198
12

Highest AQI recorded in

November

37AQI

Lowest AQI recorded in

September

21AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
36AQI
Least Polluted Year Recorded
2020(Avg.)
26AQI

Gatineau Hull Area's annual 2025 AQI (29) shows an average percentage change of -2.5% (improved AQI) compared to previous years: 2020 (26), 2021 (32), 2022 (30), 2023 (36), 2024 (28).