Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Loyalist, 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

Loyalist, Ontario, Canada

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
29th Aug 2021
68AQI
Lowest AQI recorded on
19th Aug 2024
15AQI

Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 30 of Good air quality, showing improvement over 2024, 2022 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

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

Loyalist, Ontario, Canada

AQI
Day
Night
.

5 AM1st Aug 2025

8 PM

4 AM2nd Aug 2025

Day time
Avg. Highest Time
5AM1st Aug

37AQI

Avg. Lowest Time
8PM1st Aug

16AQI

Night time
Avg. Highest Time
3AM2nd Aug

33AQI

Avg. Lowest Time
11PM1st Aug

20AQI

In the last 24 hours,

Loyalist's AQI reached its highest point of 37 at 5 AM during the Day, while the lowest point, 16, was recorded at 8 PM during the Day between 1st Aug and 2nd Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Loyalist, 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 2025395 AMAQI
3rd Jul 2025466 AMAQI
3rd Jul 2025507 AMAQI
3rd Jul 2025528 AMAQI
3rd Jul 2025549 AMAQI
3rd Jul 20255210 AMAQI
3rd Jul 20255211 AMAQI
3rd Jul 20255412 PMAQI
3rd Jul 2025531 PMAQI
3rd Jul 2025542 PMAQI
3rd Jul 2025523 PMAQI
3rd Jul 2025534 PMAQI
3rd Jul 2025515 PMAQI
3rd Jul 2025516 PMAQI
3rd Jul 2025497 PMAQI
3rd Jul 2025488 PMAQI
3rd Jul 2025509 PMAQI
3rd Jul 20255010 PMAQI
3rd Jul 20254811 PMAQI
4th Jul 20254312 AMAQI
4th Jul 2025431 AMAQI
4th Jul 2025292 AMAQI
4th Jul 2025253 AMAQI
4th Jul 2025264 AMAQI

22°C17/26°C

4th Jul 2025255 AMAQI
4th Jul 2025266 AMAQI
4th Jul 2025277 AMAQI
4th Jul 2025278 AMAQI
4th Jul 2025299 AMAQI
4th Jul 20252810 AMAQI
4th Jul 20252811 AMAQI
4th Jul 20252512 PMAQI
4th Jul 2025251 PMAQI
4th Jul 2025252 PMAQI
4th Jul 2025273 PMAQI
4th Jul 2025284 PMAQI
4th Jul 2025315 PMAQI
4th Jul 2025296 PMAQI
4th Jul 2025307 PMAQI
4th Jul 2025298 PMAQI
4th Jul 2025309 PMAQI
4th Jul 20253110 PMAQI
4th Jul 20253211 PMAQI
5th Jul 20253212 AMAQI
5th Jul 2025361 AMAQI
5th Jul 2025332 AMAQI
5th Jul 2025283 AMAQI
5th Jul 2025294 AMAQI

19°C12/25°C

5th Jul 2025305 AMAQI
5th Jul 2025336 AMAQI
5th Jul 2025397 AMAQI
5th Jul 2025448 AMAQI
5th Jul 2025369 AMAQI
5th Jul 20253610 AMAQI
5th Jul 20253711 AMAQI
5th Jul 20253712 PMAQI
5th Jul 2025351 PMAQI
5th Jul 2025352 PMAQI
5th Jul 2025343 PMAQI
5th Jul 2025344 PMAQI
5th Jul 2025345 PMAQI
5th Jul 2025346 PMAQI
5th Jul 2025357 PMAQI
5th Jul 2025358 PMAQI
5th Jul 2025389 PMAQI
5th Jul 20253610 PMAQI
5th Jul 20254011 PMAQI
6th Jul 20254012 AMAQI
6th Jul 2025421 AMAQI
6th Jul 2025482 AMAQI
6th Jul 2025453 AMAQI
6th Jul 2025464 AMAQI

21°C16/28°C

6th Jul 2025465 AMAQI
6th Jul 2025456 AMAQI
6th Jul 2025427 AMAQI
6th Jul 2025468 AMAQI
6th Jul 2025489 AMAQI
6th Jul 20254810 AMAQI
6th Jul 20254711 AMAQI
6th Jul 20255212 PMAQI
6th Jul 2025521 PMAQI
6th Jul 2025522 PMAQI
6th Jul 2025503 PMAQI
6th Jul 2025514 PMAQI
6th Jul 2025515 PMAQI
6th Jul 2025506 PMAQI
6th Jul 2025507 PMAQI
6th Jul 2025488 PMAQI
6th Jul 2025489 PMAQI
6th Jul 20254710 PMAQI
6th Jul 20254711 PMAQI
7th Jul 20254812 AMAQI
7th Jul 2025501 AMAQI
7th Jul 2025482 AMAQI
7th Jul 2025513 AMAQI
7th Jul 2025524 AMAQI

24°C20/31°C

7th Jul 2025525 AMAQI
7th Jul 2025496 AMAQI
7th Jul 2025527 AMAQI
7th Jul 2025528 AMAQI
7th Jul 2025529 AMAQI
7th Jul 20255210 AMAQI
7th Jul 20254911 AMAQI
7th Jul 20254812 PMAQI
7th Jul 2025481 PMAQI
7th Jul 2025472 PMAQI
7th Jul 2025473 PMAQI
7th Jul 2025494 PMAQI
7th Jul 2025515 PMAQI
7th Jul 2025526 PMAQI
7th Jul 2025507 PMAQI
7th Jul 2025458 PMAQI
7th Jul 2025499 PMAQI
7th Jul 20254810 PMAQI
7th Jul 20254311 PMAQI
8th Jul 20254012 AMAQI
8th Jul 2025421 AMAQI
8th Jul 2025382 AMAQI
8th Jul 2025293 AMAQI
8th Jul 2025214 AMAQI

23°C17/28°C

8th Jul 2025205 AMAQI
8th Jul 2025226 AMAQI
8th Jul 2025217 AMAQI
8th Jul 2025228 AMAQI
8th Jul 2025249 AMAQI
8th Jul 20252410 AMAQI
8th Jul 20252411 AMAQI
8th Jul 20252312 PMAQI
8th Jul 2025211 PMAQI
8th Jul 2025202 PMAQI
8th Jul 2025203 PMAQI
8th Jul 2025224 PMAQI
8th Jul 2025265 PMAQI
8th Jul 2025256 PMAQI
8th Jul 2025257 PMAQI
8th Jul 2025248 PMAQI
8th Jul 2025259 PMAQI
8th Jul 20252410 PMAQI
8th Jul 20252511 PMAQI
9th Jul 20252612 AMAQI
9th Jul 2025241 AMAQI
9th Jul 2025242 AMAQI
9th Jul 2025213 AMAQI
9th Jul 2025254 AMAQI

20°C18/25°C

9th Jul 2025255 AMAQI
9th Jul 2025296 AMAQI
9th Jul 2025297 AMAQI
9th Jul 2025248 AMAQI
9th Jul 2025269 AMAQI
9th Jul 20252910 AMAQI
9th Jul 20252711 AMAQI
9th Jul 20252712 PMAQI
9th Jul 2025271 PMAQI
9th Jul 2025272 PMAQI
9th Jul 2025273 PMAQI
9th Jul 2025274 PMAQI
9th Jul 2025285 PMAQI
9th Jul 2025306 PMAQI
9th Jul 2025297 PMAQI
9th Jul 2025298 PMAQI
9th Jul 2025289 PMAQI
9th Jul 20252810 PMAQI
9th Jul 20253011 PMAQI
10th Jul 20253212 AMAQI
10th Jul 2025321 AMAQI
10th Jul 2025352 AMAQI
10th Jul 2025433 AMAQI
10th Jul 2025464 AMAQI

20°C16/24°C

10th Jul 2025475 AMAQI
10th Jul 2025486 AMAQI
10th Jul 2025447 AMAQI
10th Jul 2025488 AMAQI
10th Jul 2025509 AMAQI
10th Jul 20255010 AMAQI
10th Jul 20254711 AMAQI
10th Jul 20254612 PMAQI
10th Jul 2025461 PMAQI
10th Jul 2025462 PMAQI
10th Jul 2025453 PMAQI
10th Jul 2025444 PMAQI
10th Jul 2025465 PMAQI
10th Jul 2025466 PMAQI
10th Jul 2025487 PMAQI
10th Jul 2025468 PMAQI
10th Jul 2025449 PMAQI
10th Jul 20254210 PMAQI
10th Jul 20254011 PMAQI
11th Jul 20254012 AMAQI
11th Jul 2025421 AMAQI
11th Jul 2025392 AMAQI
11th Jul 2025363 AMAQI
11th Jul 2025364 AMAQI

21°C16/26°C

11th Jul 2025385 AMAQI
11th Jul 2025406 AMAQI
11th Jul 2025387 AMAQI
11th Jul 2025398 AMAQI
11th Jul 2025479 AMAQI
11th Jul 20254910 AMAQI
11th Jul 20254711 AMAQI
11th Jul 20255312 PMAQI
11th Jul 2025471 PMAQI
11th Jul 2025442 PMAQI
11th Jul 2025423 PMAQI
11th Jul 2025464 PMAQI
11th Jul 2025495 PMAQI
11th Jul 2025526 PMAQI
11th Jul 2025517 PMAQI
11th Jul 2025508 PMAQI
11th Jul 2025449 PMAQI
11th Jul 20254210 PMAQI
11th Jul 20255011 PMAQI
12th Jul 20254812 AMAQI
12th Jul 2025481 AMAQI
12th Jul 2025502 AMAQI
12th Jul 2025503 AMAQI
12th Jul 2025524 AMAQI

22°C17/27°C

12th Jul 2025545 AMAQI
12th Jul 2025526 AMAQI
12th Jul 2025527 AMAQI
12th Jul 2025528 AMAQI
12th Jul 2025529 AMAQI
12th Jul 20255110 AMAQI
12th Jul 20255011 AMAQI
12th Jul 20254612 PMAQI
12th Jul 2025451 PMAQI
12th Jul 2025452 PMAQI
12th Jul 2025483 PMAQI
12th Jul 2025474 PMAQI
12th Jul 2025505 PMAQI
12th Jul 2025476 PMAQI
12th Jul 2025507 PMAQI
12th Jul 2025488 PMAQI
12th Jul 2025489 PMAQI
12th Jul 20254710 PMAQI
12th Jul 20254511 PMAQI
13th Jul 20254612 AMAQI
13th Jul 2025481 AMAQI
13th Jul 2025432 AMAQI
13th Jul 2025393 AMAQI
13th Jul 2025364 AMAQI

23°C18/28°C

13th Jul 2025365 AMAQI
13th Jul 2025366 AMAQI
13th Jul 2025367 AMAQI
13th Jul 2025398 AMAQI
13th Jul 2025399 AMAQI
13th Jul 20254010 AMAQI
13th Jul 20253911 AMAQI
13th Jul 20253912 PMAQI
13th Jul 2025401 PMAQI
13th Jul 2025382 PMAQI
13th Jul 2025383 PMAQI
13th Jul 2025404 PMAQI
13th Jul 2025395 PMAQI
13th Jul 2025386 PMAQI
13th Jul 2025387 PMAQI
13th Jul 2025398 PMAQI
13th Jul 2025399 PMAQI
13th Jul 20253910 PMAQI
13th Jul 20253811 PMAQI
14th Jul 20253912 AMAQI
14th Jul 2025381 AMAQI
14th Jul 2025292 AMAQI
14th Jul 2025283 AMAQI
14th Jul 2025284 AMAQI

25°C22/27°C

14th Jul 2025325 AMAQI
14th Jul 2025406 AMAQI
14th Jul 2025577 AMAQI
14th Jul 2025398 AMAQI
14th Jul 2025329 AMAQI
14th Jul 20253210 AMAQI
14th Jul 20254211 AMAQI
14th Jul 20254012 PMAQI
14th Jul 2025441 PMAQI
14th Jul 2025442 PMAQI
14th Jul 2025503 PMAQI
14th Jul 2025464 PMAQI
14th Jul 2025445 PMAQI
14th Jul 2025406 PMAQI
14th Jul 2025417 PMAQI
14th Jul 2025448 PMAQI
14th Jul 2025409 PMAQI
14th Jul 20254110 PMAQI
14th Jul 20253911 PMAQI
15th Jul 20253912 AMAQI
15th Jul 2025381 AMAQI
15th Jul 2025382 AMAQI
15th Jul 2025433 AMAQI
15th Jul 2025484 AMAQI

24°C20/30°C

15th Jul 2025485 AMAQI
15th Jul 2025466 AMAQI
15th Jul 2025467 AMAQI
15th Jul 2025508 AMAQI
15th Jul 2025569 AMAQI
15th Jul 20255610 AMAQI
15th Jul 20255711 AMAQI
15th Jul 20256012 PMAQI
15th Jul 2025541 PMAQI
15th Jul 2025582 PMAQI
15th Jul 2025603 PMAQI
15th Jul 2025554 PMAQI
15th Jul 2025535 PMAQI
15th Jul 2025536 PMAQI
15th Jul 2025527 PMAQI
15th Jul 2025548 PMAQI
15th Jul 2025529 PMAQI
15th Jul 20255110 PMAQI
15th Jul 20255211 PMAQI
16th Jul 20255212 AMAQI
16th Jul 2025531 AMAQI
16th Jul 2025502 AMAQI
16th Jul 2025543 AMAQI
16th Jul 2025534 AMAQI

23°C18/29°C

16th Jul 2025555 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025557 AMAQI
16th Jul 2025548 AMAQI
16th Jul 2025659 AMAQI
16th Jul 20256710 AMAQI
16th Jul 20256311 AMAQI
16th Jul 20256212 PMAQI
16th Jul 2025621 PMAQI
16th Jul 2025622 PMAQI
16th Jul 2025613 PMAQI
16th Jul 2025624 PMAQI
16th Jul 2025605 PMAQI
16th Jul 2025606 PMAQI
16th Jul 2025577 PMAQI
16th Jul 2025578 PMAQI
16th Jul 2025579 PMAQI
16th Jul 20255710 PMAQI
16th Jul 20255611 PMAQI
17th Jul 20255612 AMAQI
17th Jul 2025571 AMAQI
17th Jul 2025562 AMAQI
17th Jul 2025323 AMAQI
17th Jul 2025284 AMAQI

25°C19/31°C

17th Jul 2025245 AMAQI
17th Jul 2025246 AMAQI
17th Jul 2025227 AMAQI
17th Jul 2025278 AMAQI
17th Jul 2025319 AMAQI
17th Jul 20253210 AMAQI
17th Jul 20253411 AMAQI
17th Jul 20253612 PMAQI
17th Jul 2025401 PMAQI
17th Jul 2025392 PMAQI
17th Jul 2025333 PMAQI
17th Jul 2025324 PMAQI
17th Jul 2025345 PMAQI
17th Jul 2025346 PMAQI
17th Jul 2025337 PMAQI
17th Jul 2025338 PMAQI
17th Jul 2025349 PMAQI
17th Jul 20253410 PMAQI
17th Jul 20253211 PMAQI
18th Jul 20253012 AMAQI
18th Jul 2025281 AMAQI
18th Jul 2025202 AMAQI
18th Jul 2025193 AMAQI
18th Jul 2025204 AMAQI

24°C18/28°C

18th Jul 2025205 AMAQI
18th Jul 2025206 AMAQI
18th Jul 2025197 AMAQI
18th Jul 2025198 AMAQI
18th Jul 2025199 AMAQI
18th Jul 20251810 AMAQI
18th Jul 20251911 AMAQI
18th Jul 20251812 PMAQI
18th Jul 2025191 PMAQI
18th Jul 2025192 PMAQI
18th Jul 2025193 PMAQI
18th Jul 2025194 PMAQI
18th Jul 2025195 PMAQI
18th Jul 2025196 PMAQI
18th Jul 2025197 PMAQI
18th Jul 2025198 PMAQI
18th Jul 2025189 PMAQI
18th Jul 20251910 PMAQI
18th Jul 20252011 PMAQI
19th Jul 20252012 AMAQI
19th Jul 2025211 AMAQI
19th Jul 2025212 AMAQI
19th Jul 2025223 AMAQI
19th Jul 2025204 AMAQI

20°C13/26°C

19th Jul 2025205 AMAQI
19th Jul 2025196 AMAQI
19th Jul 2025207 AMAQI
19th Jul 2025208 AMAQI
19th Jul 2025219 AMAQI
19th Jul 20252210 AMAQI
19th Jul 20252111 AMAQI
19th Jul 20252112 PMAQI
19th Jul 2025201 PMAQI
19th Jul 2025202 PMAQI
19th Jul 2025213 PMAQI
19th Jul 2025214 PMAQI
19th Jul 2025225 PMAQI
19th Jul 2025236 PMAQI
19th Jul 2025237 PMAQI
19th Jul 2025228 PMAQI
19th Jul 2025239 PMAQI
19th Jul 20252210 PMAQI
19th Jul 20252411 PMAQI
20th Jul 20252312 AMAQI
20th Jul 2025241 AMAQI
20th Jul 2025202 AMAQI
20th Jul 2025193 AMAQI
20th Jul 2025184 AMAQI

20°C14/25°C

20th Jul 2025185 AMAQI
20th Jul 2025196 AMAQI
20th Jul 2025207 AMAQI
20th Jul 2025218 AMAQI
20th Jul 2025209 AMAQI
20th Jul 20252010 AMAQI
20th Jul 20252011 AMAQI
20th Jul 20252512 PMAQI
20th Jul 2025241 PMAQI
20th Jul 2025242 PMAQI
20th Jul 2025243 PMAQI
20th Jul 2025244 PMAQI
20th Jul 2025235 PMAQI
20th Jul 2025246 PMAQI
20th Jul 2025237 PMAQI
20th Jul 2025238 PMAQI
20th Jul 2025229 PMAQI
20th Jul 20252310 PMAQI
20th Jul 20252611 PMAQI
21st Jul 20252612 AMAQI
21st Jul 2025281 AMAQI
21st Jul 2025522 AMAQI
21st Jul 2025563 AMAQI
21st Jul 2025544 AMAQI

22°C18/26°C

21st Jul 2025515 AMAQI
21st Jul 2025526 AMAQI
21st Jul 2025497 AMAQI
21st Jul 2025338 AMAQI
21st Jul 2025339 AMAQI
21st Jul 20253110 AMAQI
21st Jul 20252911 AMAQI
21st Jul 20252912 PMAQI
21st Jul 2025281 PMAQI
21st Jul 2025262 PMAQI
21st Jul 2025263 PMAQI
21st Jul 2025294 PMAQI
21st Jul 2025325 PMAQI
21st Jul 2025326 PMAQI
21st Jul 2025317 PMAQI
21st Jul 2025328 PMAQI
21st Jul 2025329 PMAQI
21st Jul 20253210 PMAQI
21st Jul 20253111 PMAQI
22nd Jul 20253012 AMAQI
22nd Jul 2025311 AMAQI
22nd Jul 2025212 AMAQI
22nd Jul 2025163 AMAQI
22nd Jul 2025174 AMAQI

19°C14/25°C

22nd Jul 2025165 AMAQI
22nd Jul 2025146 AMAQI
22nd Jul 2025147 AMAQI
22nd Jul 2025168 AMAQI
22nd Jul 2025169 AMAQI
22nd Jul 20251610 AMAQI
22nd Jul 20251611 AMAQI
22nd Jul 20251612 PMAQI
22nd Jul 2025161 PMAQI
22nd Jul 2025152 PMAQI
22nd Jul 2025163 PMAQI
22nd Jul 2025174 PMAQI
22nd Jul 2025175 PMAQI
22nd Jul 2025176 PMAQI
22nd Jul 2025177 PMAQI
22nd Jul 2025188 PMAQI
22nd Jul 2025199 PMAQI
22nd Jul 20251910 PMAQI
22nd Jul 20251811 PMAQI
23rd Jul 20251812 AMAQI
23rd Jul 2025191 AMAQI
23rd Jul 2025182 AMAQI
23rd Jul 2025183 AMAQI
23rd Jul 2025204 AMAQI

18°C10/23°C

23rd Jul 2025215 AMAQI
23rd Jul 2025206 AMAQI
23rd Jul 2025207 AMAQI
23rd Jul 2025208 AMAQI
23rd Jul 2025199 AMAQI
23rd Jul 20252010 AMAQI
23rd Jul 20251911 AMAQI
23rd Jul 20251812 PMAQI
23rd Jul 2025171 PMAQI
23rd Jul 2025192 PMAQI
23rd Jul 2025183 PMAQI
23rd Jul 2025204 PMAQI
23rd Jul 2025205 PMAQI
23rd Jul 2025226 PMAQI
23rd Jul 2025207 PMAQI
23rd Jul 2025208 PMAQI
23rd Jul 2025209 PMAQI
23rd Jul 20252210 PMAQI
23rd Jul 20252111 PMAQI
24th Jul 20252012 AMAQI
24th Jul 2025211 AMAQI
24th Jul 2025212 AMAQI
24th Jul 2025243 AMAQI
24th Jul 2025264 AMAQI

19°C11/24°C

24th Jul 2025285 AMAQI
24th Jul 2025356 AMAQI
24th Jul 2025407 AMAQI
24th Jul 2025388 AMAQI
24th Jul 2025399 AMAQI
24th Jul 20254210 AMAQI
24th Jul 20254011 AMAQI
24th Jul 20253412 PMAQI
24th Jul 2025401 PMAQI
24th Jul 2025442 PMAQI
24th Jul 2025433 PMAQI
24th Jul 2025404 PMAQI
24th Jul 2025425 PMAQI
24th Jul 2025406 PMAQI
24th Jul 2025407 PMAQI
24th Jul 2025398 PMAQI
24th Jul 2025369 PMAQI
24th Jul 20253610 PMAQI
24th Jul 20253711 PMAQI
25th Jul 20254312 AMAQI
25th Jul 2025401 AMAQI
25th Jul 2025472 AMAQI
25th Jul 2025393 AMAQI
25th Jul 2025384 AMAQI

25°C21/31°C

25th Jul 2025365 AMAQI
25th Jul 2025336 AMAQI
25th Jul 2025317 AMAQI
25th Jul 2025328 AMAQI
25th Jul 2025339 AMAQI
25th Jul 20253210 AMAQI
25th Jul 20253211 AMAQI
25th Jul 20252912 PMAQI
25th Jul 2025261 PMAQI
25th Jul 2025262 PMAQI
25th Jul 2025263 PMAQI
25th Jul 2025284 PMAQI
25th Jul 2025325 PMAQI
25th Jul 2025326 PMAQI
25th Jul 2025347 PMAQI
25th Jul 2025318 PMAQI
25th Jul 2025329 PMAQI
25th Jul 20253210 PMAQI
25th Jul 20253311 PMAQI
26th Jul 20253712 AMAQI
26th Jul 2025361 AMAQI
26th Jul 2025462 AMAQI
26th Jul 2025593 AMAQI
26th Jul 2025584 AMAQI

25°C23/30°C

26th Jul 2025585 AMAQI
26th Jul 2025586 AMAQI
26th Jul 2025567 AMAQI
26th Jul 2025568 AMAQI
26th Jul 2025539 AMAQI
26th Jul 20254810 AMAQI
26th Jul 20254611 AMAQI
26th Jul 20255212 PMAQI
26th Jul 2025561 PMAQI
26th Jul 2025562 PMAQI
26th Jul 2025563 PMAQI
26th Jul 2025544 PMAQI
26th Jul 2025535 PMAQI
26th Jul 2025546 PMAQI
26th Jul 2025557 PMAQI
26th Jul 2025558 PMAQI
26th Jul 2025559 PMAQI
26th Jul 20255410 PMAQI
26th Jul 20255411 PMAQI
27th Jul 20255412 AMAQI
27th Jul 2025551 AMAQI
27th Jul 2025582 AMAQI
27th Jul 2025593 AMAQI
27th Jul 2025324 AMAQI

23°C17/28°C

27th Jul 2025335 AMAQI
27th Jul 2025426 AMAQI
27th Jul 2025487 AMAQI
27th Jul 2025458 AMAQI
27th Jul 2025429 AMAQI
27th Jul 20254010 AMAQI
27th Jul 20254411 AMAQI
27th Jul 20254512 PMAQI
27th Jul 2025421 PMAQI
27th Jul 2025422 PMAQI
27th Jul 2025423 PMAQI
27th Jul 2025444 PMAQI
27th Jul 2025465 PMAQI
27th Jul 2025466 PMAQI
27th Jul 2025447 PMAQI
27th Jul 2025458 PMAQI
27th Jul 2025469 PMAQI
27th Jul 20254510 PMAQI
27th Jul 20254811 PMAQI
28th Jul 20254712 AMAQI
28th Jul 2025471 AMAQI
28th Jul 2025462 AMAQI
28th Jul 2025523 AMAQI
28th Jul 2025524 AMAQI

26°C22/32°C

28th Jul 2025525 AMAQI
28th Jul 2025536 AMAQI
28th Jul 2025547 AMAQI
28th Jul 2025548 AMAQI
28th Jul 2025549 AMAQI
28th Jul 20255410 AMAQI
28th Jul 20255511 AMAQI
28th Jul 20255512 PMAQI
28th Jul 2025551 PMAQI
28th Jul 2025552 PMAQI
28th Jul 2025553 PMAQI
28th Jul 2025554 PMAQI
28th Jul 2025555 PMAQI
28th Jul 2025546 PMAQI
28th Jul 2025547 PMAQI
28th Jul 2025548 PMAQI
28th Jul 2025539 PMAQI
28th Jul 20255410 PMAQI
28th Jul 20255311 PMAQI
29th Jul 20255312 AMAQI
29th Jul 2025541 AMAQI
29th Jul 2025522 AMAQI
29th Jul 2025523 AMAQI
29th Jul 2025534 AMAQI

24°C20/28°C

29th Jul 2025525 AMAQI
29th Jul 2025526 AMAQI
29th Jul 2025527 AMAQI
29th Jul 2025528 AMAQI
29th Jul 2025529 AMAQI
29th Jul 20255010 AMAQI
29th Jul 20254511 AMAQI
29th Jul 20254112 PMAQI
29th Jul 2025411 PMAQI
29th Jul 2025402 PMAQI
29th Jul 2025403 PMAQI
29th Jul 2025434 PMAQI
29th Jul 2025485 PMAQI
29th Jul 2025476 PMAQI
29th Jul 2025487 PMAQI
29th Jul 2025478 PMAQI
29th Jul 2025509 PMAQI
29th Jul 20255010 PMAQI
29th Jul 20254811 PMAQI
30th Jul 20254712 AMAQI
30th Jul 2025461 AMAQI
30th Jul 2025382 AMAQI
30th Jul 2025363 AMAQI
30th Jul 2025384 AMAQI

24°C21/29°C

30th Jul 2025375 AMAQI
30th Jul 2025406 AMAQI
30th Jul 2025497 AMAQI
30th Jul 2025578 AMAQI
30th Jul 2025609 AMAQI
30th Jul 20256310 AMAQI
30th Jul 20256411 AMAQI
30th Jul 20256112 PMAQI
30th Jul 2025621 PMAQI
30th Jul 2025632 PMAQI
30th Jul 2025663 PMAQI
30th Jul 2025624 PMAQI
30th Jul 2025625 PMAQI
30th Jul 2025626 PMAQI
30th Jul 2025627 PMAQI
30th Jul 2025628 PMAQI
30th Jul 2025629 PMAQI
30th Jul 20256210 PMAQI
30th Jul 20255811 PMAQI
31st Jul 20255512 AMAQI
31st Jul 2025561 AMAQI
31st Jul 2025592 AMAQI
31st Jul 2025603 AMAQI
31st Jul 2025624 AMAQI

23°C18/28°C

31st Jul 2025695 AMAQI
31st Jul 2025686 AMAQI
31st Jul 2025617 AMAQI
31st Jul 2025688 AMAQI
31st Jul 2025739 AMAQI
31st Jul 20256710 AMAQI
31st Jul 20256211 AMAQI
31st Jul 20256612 PMAQI
31st Jul 2025671 PMAQI
31st Jul 2025672 PMAQI
31st Jul 2025673 PMAQI
31st Jul 2025644 PMAQI
31st Jul 2025645 PMAQI
31st Jul 2025616 PMAQI
31st Jul 2025597 PMAQI
31st Jul 2025578 PMAQI
31st Jul 2025699 PMAQI
31st Jul 20256110 PMAQI
31st Jul 20255311 PMAQI
1st Aug 20255112 AMAQI
1st Aug 2025501 AMAQI
1st Aug 2025532 AMAQI
1st Aug 2025563 AMAQI
1st Aug 2025474 AMAQI

21°C18/24°C

1st Aug 2025375 AMAQI
1st Aug 2025286 AMAQI
1st Aug 2025247 AMAQI
1st Aug 2025218 AMAQI
1st Aug 2025189 AMAQI
1st Aug 20251910 AMAQI
1st Aug 20251811 AMAQI
1st Aug 20252012 PMAQI
1st Aug 2025181 PMAQI
1st Aug 2025182 PMAQI
1st Aug 2025173 PMAQI
1st Aug 2025174 PMAQI
1st Aug 2025185 PMAQI
1st Aug 2025176 PMAQI
1st Aug 2025177 PMAQI
1st Aug 2025168 PMAQI
1st Aug 2025209 PMAQI
1st Aug 20252010 PMAQI
1st Aug 20252011 PMAQI
2nd Aug 20252212 AMAQI
2nd Aug 2025281 AMAQI
2nd Aug 2025282 AMAQI
2nd Aug 2025333 AMAQI
2nd Aug 2025244 AMAQI

18°C10/26°C

2nd Aug 2025235 AMAQI
5 AM
2nd Aug 2025216 AMAQI
2nd Aug 2025217 AMAQI
2nd Aug 2025218 AMAQI
2nd Aug 2025229 AMAQI
2nd Aug 20252210 AMAQI
2nd Aug 20252011 AMAQI
2nd Aug 20252012 PMAQI
12 PM
2nd Aug 2025221 PMAQI
8 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 8 PM

39AQI

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

39AQI

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. 39), while the lowest AQI was between 5 AM to 8 PM (Avg. 39).
Night time
Avg. Highest Time
12 AM - 11 PM

39AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 4 AM

38AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 39), while the lowest AQI was between 12 AM to 4 AM (Avg. 38).

2025 Days Vs Air Quality

Loyalist, Ontario, Canada

2025

92%

195

8%

18

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

Good
195 Days
Moderate
18 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 92%

Health Risk Level:

Very Low

In 2025, 92% of 214 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.

Annual Air Quality Insights

Loyalist, 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
19AQI
2nd January 2025
20AQI
3rd January 2025
23AQI
4th January 2025
26AQI
5th January 2025
25AQI
6th January 2025
23AQI
7th January 2025
22AQI
8th January 2025
24AQI
9th January 2025
26AQI
10th January 2025
26AQI
11th January 2025
30AQI
12th January 2025
48AQI
13th January 2025
35AQI
14th January 2025
25AQI
15th January 2025
22AQI
16th January 2025
32AQI
17th January 2025
49AQI
18th January 2025
29AQI
19th January 2025
23AQI
20th January 2025
25AQI
21st January 2025
25AQI
22nd January 2025
30AQI
23rd January 2025
32AQI
24th January 2025
35AQI
25th January 2025
47AQI
26th January 2025
40AQI
27th January 2025
30AQI
28th January 2025
28AQI
29th January 2025
26AQI
30th January 2025
26AQI
31st January 2025
38AQI
1st February 2025
27AQI
2nd February 2025
26AQI
3rd February 2025
44AQI
4th February 2025
22AQI
5th February 2025
22AQI
6th February 2025
27AQI
7th February 2025
28AQI
8th February 2025
28AQI
9th February 2025
28AQI
10th February 2025
27AQI
11th February 2025
29AQI
12th February 2025
26AQI
13th February 2025
25AQI
14th February 2025
27AQI
15th February 2025
30AQI
16th February 2025
26AQI
17th February 2025
27AQI
18th February 2025
26AQI
19th February 2025
22AQI
20th February 2025
24AQI
21st February 2025
26AQI
22nd February 2025
36AQI
23rd February 2025
54AQI
24th February 2025
51AQI
25th February 2025
54AQI
26th February 2025
34AQI
27th February 2025
27AQI
28th February 2025
28AQI
1st March 2025
29AQI
2nd March 2025
26AQI
3rd March 2025
28AQI
4th March 2025
34AQI
5th March 2025
35AQI
6th March 2025
23AQI
7th March 2025
31AQI
8th March 2025
31AQI
9th March 2025
30AQI
10th March 2025
29AQI
11th March 2025
29AQI
12th March 2025
28AQI
13th March 2025
30AQI
14th March 2025
51AQI
15th March 2025
50AQI
16th March 2025
31AQI
17th March 2025
15AQI
18th March 2025
24AQI
19th March 2025
28AQI
20th March 2025
22AQI
21st March 2025
16AQI
22nd March 2025
17AQI
23rd March 2025
17AQI
24th March 2025
21AQI
25th March 2025
19AQI
26th March 2025
19AQI
27th March 2025
19AQI
28th March 2025
18AQI
29th March 2025
18AQI
30th March 2025
23AQI
31st March 2025
25AQI
1st April 2025
16AQI
2nd April 2025
17AQI
3rd April 2025
21AQI
4th April 2025
17AQI
5th April 2025
17AQI
6th April 2025
16AQI
7th April 2025
19AQI
8th April 2025
16AQI
9th April 2025
17AQI
10th April 2025
25AQI
11th April 2025
29AQI
12th April 2025
41AQI
13th April 2025
24AQI
14th April 2025
21AQI
15th April 2025
22AQI
16th April 2025
15AQI
17th April 2025
16AQI
18th April 2025
22AQI
19th April 2025
43AQI
20th April 2025
15AQI
21st April 2025
17AQI
22nd April 2025
19AQI
23rd April 2025
14AQI
24th April 2025
22AQI
25th April 2025
25AQI
26th April 2025
23AQI
27th April 2025
13AQI
28th April 2025
19AQI
29th April 2025
25AQI
30th April 2025
14AQI
1st May 2025
16AQI
2nd May 2025
26AQI
3rd May 2025
16AQI
4th May 2025
15AQI
5th May 2025
15AQI
6th May 2025
14AQI
7th May 2025
26AQI
8th May 2025
15AQI
9th May 2025
18AQI
10th May 2025
20AQI
11th May 2025
18AQI
12th May 2025
19AQI
13th May 2025
28AQI
14th May 2025
23AQI
15th May 2025
22AQI
16th May 2025
26AQI
17th May 2025
33AQI
18th May 2025
16AQI
19th May 2025
13AQI
20th May 2025
12AQI
21st May 2025
15AQI
22nd May 2025
13AQI
23rd May 2025
11AQI
24th May 2025
14AQI
25th May 2025
14AQI
26th May 2025
18AQI
27th May 2025
21AQI
28th May 2025
28AQI
29th May 2025
18AQI
30th May 2025
34AQI
31st May 2025
23AQI
1st June 2025
12AQI
2nd June 2025
16AQI
3rd June 2025
24AQI
4th June 2025
48AQI
5th June 2025
46AQI
6th June 2025
54AQI
7th June 2025
59AQI
8th June 2025
70AQI
9th June 2025
52AQI
10th June 2025
35AQI
11th June 2025
50AQI
12th June 2025
64AQI
13th June 2025
29AQI
14th June 2025
27AQI
15th June 2025
31AQI
16th June 2025
37AQI
17th June 2025
23AQI
18th June 2025
25AQI
19th June 2025
25AQI
20th June 2025
24AQI
21st June 2025
51AQI
22nd June 2025
53AQI
23rd June 2025
54AQI
24th June 2025
55AQI
25th June 2025
42AQI
26th June 2025
28AQI
27th June 2025
27AQI
28th June 2025
30AQI
29th June 2025
26AQI
30th June 2025
27AQI
1st July 2025
34AQI
2nd July 2025
32AQI
3rd July 2025
48AQI
4th July 2025
29AQI
5th July 2025
35AQI
6th July 2025
47AQI
7th July 2025
49AQI
8th July 2025
26AQI
9th July 2025
27AQI
10th July 2025
44AQI
11th July 2025
44AQI
12th July 2025
49AQI
13th July 2025
39AQI
14th July 2025
39AQI
15th July 2025
50AQI
16th July 2025
57AQI
17th July 2025
35AQI
18th July 2025
20AQI
19th July 2025
21AQI
20th July 2025
22AQI
21st July 2025
36AQI
22nd July 2025
18AQI
23rd July 2025
20AQI
24th July 2025
35AQI
25th July 2025
34AQI
26th July 2025
53AQI
27th July 2025
45AQI
28th July 2025
53AQI
29th July 2025
49AQI
30th July 2025
54AQI
31st July 2025
63AQI
1st August 2025
30AQI

29AQI

30AQI

26AQI

21AQI

19AQI

38AQI

39AQI

30AQI

No. of days

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

202529AQI

31
25
3
30
1
30
31
21
9
26
5
1
195
18

Highest AQI recorded in

July

39AQI

Lowest AQI recorded in

May

19AQI

202428AQI

30
1
28
1
31
30
31
28
1
30
1
26
5
30
31
30
30
1
355
10

Highest AQI recorded in

August

33AQI

Lowest AQI recorded in

November

18AQI

202336AQI

31
27
1
31
28
2
30
1
14
12
3
1
23
7
1
29
2
25
5
29
2
29
27
4
323
36
1
3
1

Highest AQI recorded in

June

71AQI

Lowest AQI recorded in

November

26AQI

202229AQI

29
2
21
1
30
1
17
31
30
20
2
2
28
1
31
29
1
31
299
8

Highest AQI recorded in

January

33AQI

Lowest AQI recorded in

September

24AQI

202133AQI

25
5
28
29
2
29
1
26
5
28
2
25
5
1
26
5
29
1
31
29
1
29
2
334
29
1

Highest AQI recorded in

July

39AQI

Lowest AQI recorded in

November

25AQI

202030AQI

13
21
18
30
29
2
29
2
29
1
31
27
3
30
1
257
9

Highest AQI recorded in

May

32AQI

Lowest AQI recorded in

October

25AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
36AQI
Least Polluted Year Recorded
2024(Avg.)
28AQI

Loyalist's annual 2025 AQI (29) shows an average percentage change of -6.2% (improved AQI) compared to previous years: 2020 (30), 2021 (33), 2022 (29), 2023 (36), 2024 (28).