Barrie, 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
Barrie, Ontario, Canada
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2025
48AQILowest AQI recorded on
1st Aug 2025
48AQISame Day Analysis (1st August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 48 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 1st Aug - 2nd Aug 2025
Barrie, Ontario, Canada
AQI
Day
Night
.
5 AM1st Aug 2025
8 PM
4 AM2nd Aug 2025
Day time
Avg. Highest Time
6AM1st Aug
37AQI
Avg. Lowest Time
6PM1st Aug
23AQI
Night time
Avg. Highest Time
5AM1st Aug
46AQI
Avg. Lowest Time
11PM1st Aug
26AQI
In the last 24 hours,
Barrie's AQI reached its highest point of 46 at 5 AM during the Night, while the lowest point, 23, was recorded at 6 PM during the Day between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Barrie, 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 2025465 AMAQI
3rd Jul 2025546 AMAQI
3rd Jul 2025557 AMAQI
3rd Jul 2025558 AMAQI
3rd Jul 2025569 AMAQI
3rd Jul 20255610 AMAQI
3rd Jul 20255511 AMAQI
3rd Jul 20255412 PMAQI
3rd Jul 2025551 PMAQI
3rd Jul 2025552 PMAQI
3rd Jul 2025553 PMAQI
3rd Jul 2025554 PMAQI
3rd Jul 2025525 PMAQI
3rd Jul 2025486 PMAQI
3rd Jul 2025457 PMAQI
3rd Jul 2025408 PMAQI
3rd Jul 2025509 PMAQI
3rd Jul 20255010 PMAQI
3rd Jul 20254211 PMAQI
4th Jul 20254112 AMAQI
4th Jul 2025351 AMAQI
4th Jul 2025302 AMAQI
4th Jul 2025293 AMAQI
4th Jul 2025284 AMAQI
20°C13/26°C
4th Jul 2025305 AMAQI
4th Jul 2025346 AMAQI
4th Jul 2025347 AMAQI
4th Jul 2025368 AMAQI
4th Jul 2025349 AMAQI
4th Jul 20253210 AMAQI
4th Jul 20253511 AMAQI
4th Jul 20253212 PMAQI
4th Jul 2025331 PMAQI
4th Jul 2025312 PMAQI
4th Jul 2025323 PMAQI
4th Jul 2025324 PMAQI
4th Jul 2025345 PMAQI
4th Jul 2025326 PMAQI
4th Jul 2025327 PMAQI
4th Jul 2025328 PMAQI
4th Jul 2025339 PMAQI
4th Jul 20253210 PMAQI
4th Jul 20253411 PMAQI
5th Jul 20253612 AMAQI
5th Jul 2025421 AMAQI
5th Jul 2025442 AMAQI
5th Jul 2025423 AMAQI
5th Jul 2025464 AMAQI
19°C10/27°C
5th Jul 2025415 AMAQI
5th Jul 2025426 AMAQI
5th Jul 2025447 AMAQI
5th Jul 2025418 AMAQI
5th Jul 2025419 AMAQI
5th Jul 20254910 AMAQI
5th Jul 20255211 AMAQI
5th Jul 20255212 PMAQI
5th Jul 2025521 PMAQI
5th Jul 2025522 PMAQI
5th Jul 2025513 PMAQI
5th Jul 2025504 PMAQI
5th Jul 2025475 PMAQI
5th Jul 2025476 PMAQI
5th Jul 2025477 PMAQI
5th Jul 2025488 PMAQI
5th Jul 2025489 PMAQI
5th Jul 20254810 PMAQI
5th Jul 20255411 PMAQI
6th Jul 20255412 AMAQI
6th Jul 2025551 AMAQI
6th Jul 2025562 AMAQI
6th Jul 2025563 AMAQI
6th Jul 2025544 AMAQI
24°C14/31°C
6th Jul 2025545 AMAQI
6th Jul 2025546 AMAQI
6th Jul 2025557 AMAQI
6th Jul 2025548 AMAQI
6th Jul 2025549 AMAQI
6th Jul 20255410 AMAQI
6th Jul 20255011 AMAQI
6th Jul 20255212 PMAQI
6th Jul 2025541 PMAQI
6th Jul 2025542 PMAQI
6th Jul 2025543 PMAQI
6th Jul 2025544 PMAQI
6th Jul 2025555 PMAQI
6th Jul 2025556 PMAQI
6th Jul 2025547 PMAQI
6th Jul 2025548 PMAQI
6th Jul 2025549 PMAQI
6th Jul 20255410 PMAQI
6th Jul 20255411 PMAQI
7th Jul 20255412 AMAQI
7th Jul 2025551 AMAQI
7th Jul 2025542 AMAQI
7th Jul 2025543 AMAQI
7th Jul 2025554 AMAQI
27°C20/34°C
7th Jul 2025545 AMAQI
7th Jul 2025546 AMAQI
7th Jul 2025547 AMAQI
7th Jul 2025558 AMAQI
7th Jul 2025549 AMAQI
7th Jul 20255010 AMAQI
7th Jul 20254111 AMAQI
7th Jul 20253612 PMAQI
7th Jul 2025421 PMAQI
7th Jul 2025322 PMAQI
7th Jul 2025343 PMAQI
7th Jul 2025344 PMAQI
7th Jul 2025395 PMAQI
7th Jul 2025386 PMAQI
7th Jul 2025397 PMAQI
7th Jul 2025398 PMAQI
7th Jul 2025459 PMAQI
7th Jul 20254210 PMAQI
7th Jul 20253811 PMAQI
8th Jul 20253612 AMAQI
8th Jul 2025381 AMAQI
8th Jul 2025332 AMAQI
8th Jul 2025323 AMAQI
8th Jul 2025324 AMAQI
19°C16/21°C
8th Jul 2025325 AMAQI
8th Jul 2025346 AMAQI
8th Jul 2025347 AMAQI
8th Jul 2025338 AMAQI
8th Jul 2025359 AMAQI
8th Jul 20253410 AMAQI
8th Jul 20253611 AMAQI
8th Jul 20253612 PMAQI
8th Jul 2025351 PMAQI
8th Jul 2025342 PMAQI
8th Jul 2025353 PMAQI
8th Jul 2025334 PMAQI
8th Jul 2025345 PMAQI
8th Jul 2025326 PMAQI
8th Jul 2025327 PMAQI
8th Jul 2025328 PMAQI
8th Jul 2025339 PMAQI
8th Jul 20253510 PMAQI
8th Jul 20254311 PMAQI
9th Jul 20254412 AMAQI
9th Jul 2025421 AMAQI
9th Jul 2025422 AMAQI
9th Jul 2025383 AMAQI
9th Jul 2025424 AMAQI
20°C13/25°C
9th Jul 2025425 AMAQI
9th Jul 2025446 AMAQI
9th Jul 2025417 AMAQI
9th Jul 2025348 AMAQI
9th Jul 2025389 AMAQI
9th Jul 20254910 AMAQI
9th Jul 20254911 AMAQI
9th Jul 20255012 PMAQI
9th Jul 2025491 PMAQI
9th Jul 2025492 PMAQI
9th Jul 2025513 PMAQI
9th Jul 2025524 PMAQI
9th Jul 2025475 PMAQI
9th Jul 2025496 PMAQI
9th Jul 2025507 PMAQI
9th Jul 2025508 PMAQI
9th Jul 2025459 PMAQI
9th Jul 20254310 PMAQI
9th Jul 20254611 PMAQI
10th Jul 20254312 AMAQI
10th Jul 2025461 AMAQI
10th Jul 2025462 AMAQI
10th Jul 2025453 AMAQI
10th Jul 2025444 AMAQI
21°C16/26°C
10th Jul 2025435 AMAQI
10th Jul 2025416 AMAQI
10th Jul 2025437 AMAQI
10th Jul 2025408 AMAQI
10th Jul 2025469 AMAQI
10th Jul 20254610 AMAQI
10th Jul 20254511 AMAQI
10th Jul 20254812 PMAQI
10th Jul 2025521 PMAQI
10th Jul 2025522 PMAQI
10th Jul 2025553 PMAQI
10th Jul 2025524 PMAQI
10th Jul 2025525 PMAQI
10th Jul 2025526 PMAQI
10th Jul 2025517 PMAQI
10th Jul 2025518 PMAQI
10th Jul 2025469 PMAQI
10th Jul 20254410 PMAQI
10th Jul 20254811 PMAQI
11th Jul 20254412 AMAQI
11th Jul 2025481 AMAQI
11th Jul 2025532 AMAQI
11th Jul 2025523 AMAQI
11th Jul 2025524 AMAQI
22°C16/30°C
11th Jul 2025545 AMAQI
11th Jul 2025526 AMAQI
11th Jul 2025527 AMAQI
11th Jul 2025548 AMAQI
11th Jul 2025569 AMAQI
11th Jul 20255510 AMAQI
11th Jul 20255611 AMAQI
11th Jul 20255412 PMAQI
11th Jul 2025521 PMAQI
11th Jul 2025532 PMAQI
11th Jul 2025533 PMAQI
11th Jul 2025524 PMAQI
11th Jul 2025535 PMAQI
11th Jul 2025516 PMAQI
11th Jul 2025527 PMAQI
11th Jul 2025528 PMAQI
11th Jul 2025539 PMAQI
11th Jul 20255210 PMAQI
11th Jul 20255011 PMAQI
12th Jul 20255012 AMAQI
12th Jul 2025501 AMAQI
12th Jul 2025522 AMAQI
12th Jul 2025523 AMAQI
12th Jul 2025524 AMAQI
21°C11/31°C
12th Jul 2025525 AMAQI
12th Jul 2025506 AMAQI
12th Jul 2025467 AMAQI
12th Jul 2025448 AMAQI
12th Jul 2025469 AMAQI
12th Jul 20254710 AMAQI
12th Jul 20254411 AMAQI
12th Jul 20254212 PMAQI
12th Jul 2025431 PMAQI
12th Jul 2025432 PMAQI
12th Jul 2025473 PMAQI
12th Jul 2025484 PMAQI
12th Jul 2025505 PMAQI
12th Jul 2025566 PMAQI
12th Jul 2025527 PMAQI
12th Jul 2025538 PMAQI
12th Jul 2025509 PMAQI
12th Jul 20255010 PMAQI
12th Jul 20255011 PMAQI
13th Jul 20255112 AMAQI
13th Jul 2025501 AMAQI
13th Jul 2025472 AMAQI
13th Jul 2025483 AMAQI
13th Jul 2025484 AMAQI
26°C20/33°C
13th Jul 2025505 AMAQI
13th Jul 2025456 AMAQI
13th Jul 2025507 AMAQI
13th Jul 2025488 AMAQI
13th Jul 2025489 AMAQI
13th Jul 20254510 AMAQI
13th Jul 20254311 AMAQI
13th Jul 20254212 PMAQI
13th Jul 2025421 PMAQI
13th Jul 2025422 PMAQI
13th Jul 2025403 PMAQI
13th Jul 2025444 PMAQI
13th Jul 2025505 PMAQI
13th Jul 2025526 PMAQI
13th Jul 2025447 PMAQI
13th Jul 2025478 PMAQI
13th Jul 2025489 PMAQI
13th Jul 20255110 PMAQI
13th Jul 20255011 PMAQI
14th Jul 20255012 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025592 AMAQI
14th Jul 2025663 AMAQI
14th Jul 2025564 AMAQI
24°C19/27°C
14th Jul 2025505 AMAQI
14th Jul 2025536 AMAQI
14th Jul 2025587 AMAQI
14th Jul 2025568 AMAQI
14th Jul 2025569 AMAQI
14th Jul 20255610 AMAQI
14th Jul 20255411 AMAQI
14th Jul 20255012 PMAQI
14th Jul 2025511 PMAQI
14th Jul 2025512 PMAQI
14th Jul 2025463 PMAQI
14th Jul 2025484 PMAQI
14th Jul 2025515 PMAQI
14th Jul 2025516 PMAQI
14th Jul 2025527 PMAQI
14th Jul 2025528 PMAQI
14th Jul 2025519 PMAQI
14th Jul 20255110 PMAQI
14th Jul 20255111 PMAQI
15th Jul 20255112 AMAQI
15th Jul 2025491 AMAQI
15th Jul 2025552 AMAQI
15th Jul 2025563 AMAQI
15th Jul 2025584 AMAQI
24°C15/31°C
15th Jul 2025625 AMAQI
15th Jul 2025676 AMAQI
15th Jul 2025687 AMAQI
15th Jul 2025678 AMAQI
15th Jul 2025629 AMAQI
15th Jul 20256210 AMAQI
15th Jul 20256411 AMAQI
15th Jul 20256412 PMAQI
15th Jul 2025641 PMAQI
15th Jul 2025642 PMAQI
15th Jul 2025663 PMAQI
15th Jul 2025624 PMAQI
15th Jul 2025635 PMAQI
15th Jul 2025646 PMAQI
15th Jul 2025667 PMAQI
15th Jul 2025678 PMAQI
15th Jul 2025619 PMAQI
15th Jul 20256010 PMAQI
15th Jul 20256211 PMAQI
16th Jul 20256212 AMAQI
16th Jul 2025671 AMAQI
16th Jul 2025792 AMAQI
16th Jul 2025753 AMAQI
16th Jul 2025734 AMAQI
25°C16/33°C
16th Jul 2025735 AMAQI
16th Jul 2025696 AMAQI
16th Jul 2025697 AMAQI
16th Jul 2025708 AMAQI
16th Jul 2025749 AMAQI
16th Jul 20257410 AMAQI
16th Jul 20257211 AMAQI
16th Jul 20257012 PMAQI
16th Jul 2025681 PMAQI
16th Jul 2025702 PMAQI
16th Jul 2025733 PMAQI
16th Jul 2025744 PMAQI
16th Jul 2025725 PMAQI
16th Jul 2025706 PMAQI
16th Jul 2025707 PMAQI
16th Jul 2025708 PMAQI
16th Jul 2025719 PMAQI
16th Jul 20257210 PMAQI
16th Jul 20256411 PMAQI
17th Jul 20256312 AMAQI
17th Jul 2025641 AMAQI
17th Jul 2025602 AMAQI
17th Jul 2025603 AMAQI
17th Jul 2025554 AMAQI
25°C17/33°C
17th Jul 2025525 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025437 AMAQI
17th Jul 2025418 AMAQI
17th Jul 2025449 AMAQI
17th Jul 20254110 AMAQI
17th Jul 20254111 AMAQI
17th Jul 20254812 PMAQI
17th Jul 2025601 PMAQI
17th Jul 2025572 PMAQI
17th Jul 2025293 PMAQI
17th Jul 2025324 PMAQI
17th Jul 2025375 PMAQI
17th Jul 2025386 PMAQI
17th Jul 2025417 PMAQI
17th Jul 2025428 PMAQI
17th Jul 2025429 PMAQI
17th Jul 20253910 PMAQI
17th Jul 20252811 PMAQI
18th Jul 20253012 AMAQI
18th Jul 2025281 AMAQI
18th Jul 2025242 AMAQI
18th Jul 2025243 AMAQI
18th Jul 2025234 AMAQI
21°C16/27°C
18th Jul 2025245 AMAQI
18th Jul 2025246 AMAQI
18th Jul 2025247 AMAQI
18th Jul 2025248 AMAQI
18th Jul 2025239 AMAQI
18th Jul 20252410 AMAQI
18th Jul 20252311 AMAQI
18th Jul 20252312 PMAQI
18th Jul 2025231 PMAQI
18th Jul 2025232 PMAQI
18th Jul 2025233 PMAQI
18th Jul 2025244 PMAQI
18th Jul 2025295 PMAQI
18th Jul 2025376 PMAQI
18th Jul 2025437 PMAQI
18th Jul 2025458 PMAQI
18th Jul 2025279 PMAQI
18th Jul 20252710 PMAQI
18th Jul 20254211 PMAQI
19th Jul 20254612 AMAQI
19th Jul 2025441 AMAQI
19th Jul 2025442 AMAQI
19th Jul 2025423 AMAQI
19th Jul 2025394 AMAQI
18°C8/26°C
19th Jul 2025385 AMAQI
19th Jul 2025386 AMAQI
19th Jul 2025437 AMAQI
19th Jul 2025448 AMAQI
19th Jul 2025429 AMAQI
19th Jul 20253610 AMAQI
19th Jul 20253311 AMAQI
19th Jul 20253012 PMAQI
19th Jul 2025281 PMAQI
19th Jul 2025272 PMAQI
19th Jul 2025273 PMAQI
19th Jul 2025274 PMAQI
19th Jul 2025265 PMAQI
19th Jul 2025266 PMAQI
19th Jul 2025267 PMAQI
19th Jul 2025268 PMAQI
19th Jul 2025309 PMAQI
19th Jul 20253210 PMAQI
19th Jul 20253111 PMAQI
20th Jul 20253312 AMAQI
20th Jul 2025341 AMAQI
20th Jul 2025332 AMAQI
20th Jul 2025293 AMAQI
20th Jul 2025274 AMAQI
20°C12/26°C
20th Jul 2025285 AMAQI
20th Jul 2025266 AMAQI
20th Jul 2025267 AMAQI
20th Jul 2025268 AMAQI
20th Jul 2025269 AMAQI
20th Jul 20252610 AMAQI
20th Jul 20252611 AMAQI
20th Jul 20252612 PMAQI
20th Jul 2025261 PMAQI
20th Jul 2025252 PMAQI
20th Jul 2025263 PMAQI
20th Jul 2025244 PMAQI
20th Jul 2025275 PMAQI
20th Jul 2025266 PMAQI
20th Jul 2025277 PMAQI
20th Jul 2025288 PMAQI
20th Jul 2025289 PMAQI
20th Jul 20253010 PMAQI
20th Jul 20254411 PMAQI
21st Jul 20254612 AMAQI
21st Jul 2025461 AMAQI
21st Jul 2025542 AMAQI
21st Jul 2025593 AMAQI
21st Jul 2025644 AMAQI
20°C16/25°C
21st Jul 2025655 AMAQI
21st Jul 2025606 AMAQI
21st Jul 2025527 AMAQI
21st Jul 2025438 AMAQI
21st Jul 2025379 AMAQI
21st Jul 20253410 AMAQI
21st Jul 20252911 AMAQI
21st Jul 20252712 PMAQI
21st Jul 2025261 PMAQI
21st Jul 2025252 PMAQI
21st Jul 2025243 PMAQI
21st Jul 2025264 PMAQI
21st Jul 2025305 PMAQI
21st Jul 2025316 PMAQI
21st Jul 2025327 PMAQI
21st Jul 2025318 PMAQI
21st Jul 2025329 PMAQI
21st Jul 20253210 PMAQI
21st Jul 20252811 PMAQI
22nd Jul 20252912 AMAQI
22nd Jul 2025281 AMAQI
22nd Jul 2025292 AMAQI
22nd Jul 2025193 AMAQI
22nd Jul 2025214 AMAQI
17°C12/23°C
22nd Jul 2025205 AMAQI
22nd Jul 2025216 AMAQI
22nd Jul 2025187 AMAQI
22nd Jul 2025188 AMAQI
22nd Jul 2025189 AMAQI
22nd Jul 20251710 AMAQI
22nd Jul 20251811 AMAQI
22nd Jul 20251812 PMAQI
22nd Jul 2025171 PMAQI
22nd Jul 2025182 PMAQI
22nd Jul 2025203 PMAQI
22nd Jul 2025204 PMAQI
22nd Jul 2025195 PMAQI
22nd Jul 2025216 PMAQI
22nd Jul 2025197 PMAQI
22nd Jul 2025208 PMAQI
22nd Jul 2025209 PMAQI
22nd Jul 20252010 PMAQI
22nd Jul 20252111 PMAQI
23rd Jul 20252612 AMAQI
23rd Jul 2025331 AMAQI
23rd Jul 2025292 AMAQI
23rd Jul 2025263 AMAQI
23rd Jul 2025264 AMAQI
18°C12/26°C
23rd Jul 2025245 AMAQI
23rd Jul 2025266 AMAQI
23rd Jul 2025367 AMAQI
23rd Jul 2025438 AMAQI
23rd Jul 2025359 AMAQI
23rd Jul 20253110 AMAQI
23rd Jul 20253011 AMAQI
23rd Jul 20252712 PMAQI
23rd Jul 2025251 PMAQI
23rd Jul 2025252 PMAQI
23rd Jul 2025203 PMAQI
23rd Jul 2025224 PMAQI
23rd Jul 2025285 PMAQI
23rd Jul 2025316 PMAQI
23rd Jul 2025307 PMAQI
23rd Jul 2025298 PMAQI
23rd Jul 2025299 PMAQI
23rd Jul 20252910 PMAQI
23rd Jul 20253011 PMAQI
24th Jul 20253012 AMAQI
24th Jul 2025311 AMAQI
24th Jul 2025302 AMAQI
24th Jul 2025303 AMAQI
24th Jul 2025304 AMAQI
21°C13/30°C
24th Jul 2025315 AMAQI
24th Jul 2025326 AMAQI
24th Jul 2025337 AMAQI
24th Jul 2025348 AMAQI
24th Jul 2025389 AMAQI
24th Jul 20254410 AMAQI
24th Jul 20254811 AMAQI
24th Jul 20255012 PMAQI
24th Jul 2025521 PMAQI
24th Jul 2025532 PMAQI
24th Jul 2025493 PMAQI
24th Jul 2025384 PMAQI
24th Jul 2025385 PMAQI
24th Jul 2025406 PMAQI
24th Jul 2025417 PMAQI
24th Jul 2025518 PMAQI
24th Jul 2025459 PMAQI
24th Jul 20254110 PMAQI
24th Jul 20253911 PMAQI
25th Jul 20253412 AMAQI
25th Jul 2025331 AMAQI
25th Jul 2025322 AMAQI
25th Jul 2025323 AMAQI
25th Jul 2025334 AMAQI
25°C16/36°C
25th Jul 2025295 AMAQI
25th Jul 2025316 AMAQI
25th Jul 2025307 AMAQI
25th Jul 2025338 AMAQI
25th Jul 2025329 AMAQI
25th Jul 20253010 AMAQI
25th Jul 20253211 AMAQI
25th Jul 20253512 PMAQI
25th Jul 2025341 PMAQI
25th Jul 2025332 PMAQI
25th Jul 2025363 PMAQI
25th Jul 2025364 PMAQI
25th Jul 2025425 PMAQI
25th Jul 2025486 PMAQI
25th Jul 2025407 PMAQI
25th Jul 2025438 PMAQI
25th Jul 2025429 PMAQI
25th Jul 20253910 PMAQI
25th Jul 20253611 PMAQI
26th Jul 20253512 AMAQI
26th Jul 2025341 AMAQI
26th Jul 2025582 AMAQI
26th Jul 2025683 AMAQI
26th Jul 2025624 AMAQI
23°C17/29°C
26th Jul 2025625 AMAQI
26th Jul 2025596 AMAQI
26th Jul 2025587 AMAQI
26th Jul 2025598 AMAQI
26th Jul 2025639 AMAQI
26th Jul 20256210 AMAQI
26th Jul 20256211 AMAQI
26th Jul 20256312 PMAQI
26th Jul 2025611 PMAQI
26th Jul 2025602 PMAQI
26th Jul 2025603 PMAQI
26th Jul 2025594 PMAQI
26th Jul 2025645 PMAQI
26th Jul 2025636 PMAQI
26th Jul 2025627 PMAQI
26th Jul 2025598 PMAQI
26th Jul 2025589 PMAQI
26th Jul 20255610 PMAQI
26th Jul 20255211 PMAQI
27th Jul 20255312 AMAQI
27th Jul 2025551 AMAQI
27th Jul 2025502 AMAQI
27th Jul 2025463 AMAQI
27th Jul 2025404 AMAQI
23°C17/29°C
27th Jul 2025365 AMAQI
27th Jul 2025376 AMAQI
27th Jul 2025357 AMAQI
27th Jul 2025388 AMAQI
27th Jul 2025409 AMAQI
27th Jul 20254110 AMAQI
27th Jul 20254811 AMAQI
27th Jul 20255212 PMAQI
27th Jul 2025521 PMAQI
27th Jul 2025512 PMAQI
27th Jul 2025523 PMAQI
27th Jul 2025544 PMAQI
27th Jul 2025525 PMAQI
27th Jul 2025496 PMAQI
27th Jul 2025507 PMAQI
27th Jul 2025468 PMAQI
27th Jul 2025489 PMAQI
27th Jul 20254810 PMAQI
27th Jul 20255011 PMAQI
28th Jul 20255012 AMAQI
28th Jul 2025521 AMAQI
28th Jul 2025532 AMAQI
28th Jul 2025553 AMAQI
28th Jul 2025544 AMAQI
23°C19/28°C
28th Jul 2025545 AMAQI
28th Jul 2025526 AMAQI
28th Jul 2025537 AMAQI
28th Jul 2025548 AMAQI
28th Jul 2025539 AMAQI
28th Jul 20255510 AMAQI
28th Jul 20255811 AMAQI
28th Jul 20255812 PMAQI
28th Jul 2025561 PMAQI
28th Jul 2025542 PMAQI
28th Jul 2025543 PMAQI
28th Jul 2025544 PMAQI
28th Jul 2025525 PMAQI
28th Jul 2025526 PMAQI
28th Jul 2025537 PMAQI
28th Jul 2025528 PMAQI
28th Jul 2025539 PMAQI
28th Jul 20255310 PMAQI
28th Jul 20254811 PMAQI
29th Jul 20255112 AMAQI
29th Jul 2025461 AMAQI
29th Jul 2025392 AMAQI
29th Jul 2025413 AMAQI
29th Jul 2025424 AMAQI
24°C15/34°C
29th Jul 2025405 AMAQI
29th Jul 2025426 AMAQI
29th Jul 2025427 AMAQI
29th Jul 2025428 AMAQI
29th Jul 2025449 AMAQI
29th Jul 20254510 AMAQI
29th Jul 20254311 AMAQI
29th Jul 20254212 PMAQI
29th Jul 2025411 PMAQI
29th Jul 2025422 PMAQI
29th Jul 2025463 PMAQI
29th Jul 2025464 PMAQI
29th Jul 2025495 PMAQI
29th Jul 2025486 PMAQI
29th Jul 2025467 PMAQI
29th Jul 2025448 PMAQI
29th Jul 2025449 PMAQI
29th Jul 20254210 PMAQI
29th Jul 20254411 PMAQI
30th Jul 20254612 AMAQI
30th Jul 2025481 AMAQI
30th Jul 2025472 AMAQI
30th Jul 2025503 AMAQI
30th Jul 2025524 AMAQI
22°C17/31°C
30th Jul 2025545 AMAQI
30th Jul 2025526 AMAQI
30th Jul 2025507 AMAQI
30th Jul 2025498 AMAQI
30th Jul 2025529 AMAQI
30th Jul 20255610 AMAQI
30th Jul 20255611 AMAQI
30th Jul 20255612 PMAQI
30th Jul 2025581 PMAQI
30th Jul 2025622 PMAQI
30th Jul 2025603 PMAQI
30th Jul 2025624 PMAQI
30th Jul 2025635 PMAQI
30th Jul 2025636 PMAQI
30th Jul 2025637 PMAQI
30th Jul 2025638 PMAQI
30th Jul 2025639 PMAQI
30th Jul 20256310 PMAQI
30th Jul 20255611 PMAQI
31st Jul 20255512 AMAQI
31st Jul 2025571 AMAQI
31st Jul 2025612 AMAQI
31st Jul 2025693 AMAQI
31st Jul 2025784 AMAQI
21°C17/27°C
31st Jul 2025775 AMAQI
31st Jul 2025766 AMAQI
31st Jul 2025707 AMAQI
31st Jul 2025998 AMAQI
31st Jul 20251519 AMAQI
31st Jul 202511410 AMAQI
31st Jul 20257211 AMAQI
31st Jul 202510212 PMAQI
31st Jul 20251191 PMAQI
31st Jul 20251082 PMAQI
31st Jul 2025923 PMAQI
31st Jul 2025924 PMAQI
31st Jul 2025905 PMAQI
31st Jul 2025926 PMAQI
31st Jul 2025957 PMAQI
31st Jul 2025938 PMAQI
31st Jul 20251539 PMAQI
31st Jul 202511910 PMAQI
31st Jul 20258311 PMAQI
1st Aug 20257112 AMAQI
1st Aug 2025691 AMAQI
1st Aug 2025732 AMAQI
1st Aug 2025683 AMAQI
1st Aug 2025534 AMAQI
20°C15/24°C
1st Aug 2025465 AMAQI
1st Aug 2025376 AMAQI
1st Aug 2025347 AMAQI
1st Aug 2025308 AMAQI
1st Aug 2025329 AMAQI
1st Aug 20253210 AMAQI
1st Aug 20253411 AMAQI
1st Aug 20253012 PMAQI
1st Aug 2025281 PMAQI
1st Aug 2025282 PMAQI
1st Aug 2025303 PMAQI
1st Aug 2025294 PMAQI
1st Aug 2025245 PMAQI
1st Aug 2025236 PMAQI
1st Aug 2025247 PMAQI
1st Aug 2025308 PMAQI
1st Aug 2025309 PMAQI
1st Aug 20252810 PMAQI
1st Aug 20252611 PMAQI
2nd Aug 20252812 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025302 AMAQI
2nd Aug 2025323 AMAQI
2nd Aug 2025314 AMAQI
18°C13/23°C
2nd Aug 2025345 AMAQI
5 AM2nd Aug 2025366 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025338 AMAQI
2nd Aug 2025339 AMAQI
2nd Aug 20253410 AMAQI
2nd Aug 20253511 AMAQI
2nd Aug 20254312 PMAQI
12 PM2nd Aug 2025501 PMAQI
2nd Aug 2025512 PMAQI
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 PM
46AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM
46AQI
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. 46), while the lowest AQI was between 5 AM to 8 PM (Avg. 46).
Night time
Avg. Highest Time
12 AM - 11 PM
46AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
46AQI
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. 46), while the lowest AQI was between 12 AM to 11 PM (Avg. 46).
2025 Days Vs Air Quality
Barrie, Ontario, Canada
2025
83%
106
17%
22
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
106 DaysModerate
22 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2025, 83% 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
Barrie, 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 March 2025
25AQI
25AQI
2nd March 2025
20AQI
20AQI
3rd March 2025
16AQI
16AQI
4th March 2025
18AQI
18AQI
5th March 2025
22AQI
22AQI
1st April 2025
24AQI
24AQI
2nd April 2025
18AQI
18AQI
3rd April 2025
24AQI
24AQI
4th April 2025
18AQI
18AQI
5th April 2025
24AQI
24AQI
6th April 2025
17AQI
17AQI
7th April 2025
25AQI
25AQI
8th April 2025
15AQI
15AQI
9th April 2025
20AQI
20AQI
10th April 2025
37AQI
37AQI
11th April 2025
32AQI
32AQI
12th April 2025
31AQI
31AQI
13th April 2025
34AQI
34AQI
14th April 2025
34AQI
34AQI
15th April 2025
21AQI
21AQI
16th April 2025
13AQI
13AQI
17th April 2025
16AQI
16AQI
18th April 2025
38AQI
38AQI
19th April 2025
40AQI
40AQI
20th April 2025
17AQI
17AQI
21st April 2025
26AQI
26AQI
22nd April 2025
15AQI
15AQI
23rd April 2025
21AQI
21AQI
24th April 2025
42AQI
42AQI
25th April 2025
41AQI
41AQI
26th April 2025
21AQI
21AQI
27th April 2025
16AQI
16AQI
28th April 2025
28AQI
28AQI
29th April 2025
35AQI
35AQI
30th April 2025
17AQI
17AQI
1st May 2025
27AQI
27AQI
2nd May 2025
28AQI
28AQI
3rd May 2025
16AQI
16AQI
4th May 2025
18AQI
18AQI
5th May 2025
23AQI
23AQI
6th May 2025
24AQI
24AQI
7th May 2025
27AQI
27AQI
8th May 2025
18AQI
18AQI
9th May 2025
24AQI
24AQI
10th May 2025
23AQI
23AQI
11th May 2025
21AQI
21AQI
12th May 2025
29AQI
29AQI
13th May 2025
41AQI
41AQI
14th May 2025
29AQI
29AQI
15th May 2025
30AQI
30AQI
16th May 2025
35AQI
35AQI
17th May 2025
34AQI
34AQI
18th May 2025
16AQI
16AQI
19th May 2025
15AQI
15AQI
20th May 2025
15AQI
15AQI
21st May 2025
21AQI
21AQI
22nd May 2025
14AQI
14AQI
23rd May 2025
11AQI
11AQI
24th May 2025
15AQI
15AQI
25th May 2025
16AQI
16AQI
26th May 2025
22AQI
22AQI
27th May 2025
31AQI
31AQI
28th May 2025
29AQI
29AQI
29th May 2025
22AQI
22AQI
30th May 2025
31AQI
31AQI
31st May 2025
27AQI
27AQI
1st June 2025
16AQI
16AQI
2nd June 2025
21AQI
21AQI
3rd June 2025
41AQI
41AQI
4th June 2025
63AQI
63AQI
5th June 2025
51AQI
51AQI
6th June 2025
65AQI
65AQI
7th June 2025
67AQI
67AQI
8th June 2025
78AQI
78AQI
9th June 2025
69AQI
69AQI
10th June 2025
56AQI
56AQI
11th June 2025
62AQI
62AQI
12th June 2025
66AQI
66AQI
13th June 2025
41AQI
41AQI
14th June 2025
33AQI
33AQI
15th June 2025
38AQI
38AQI
16th June 2025
46AQI
46AQI
17th June 2025
43AQI
43AQI
18th June 2025
37AQI
37AQI
19th June 2025
33AQI
33AQI
20th June 2025
37AQI
37AQI
21st June 2025
51AQI
51AQI
22nd June 2025
53AQI
53AQI
23rd June 2025
53AQI
53AQI
24th June 2025
53AQI
53AQI
25th June 2025
45AQI
45AQI
26th June 2025
40AQI
40AQI
27th June 2025
35AQI
35AQI
28th June 2025
30AQI
30AQI
29th June 2025
33AQI
33AQI
30th June 2025
41AQI
41AQI
1st July 2025
38AQI
38AQI
2nd July 2025
40AQI
40AQI
3rd July 2025
49AQI
49AQI
4th July 2025
34AQI
34AQI
5th July 2025
45AQI
45AQI
6th July 2025
54AQI
54AQI
7th July 2025
47AQI
47AQI
8th July 2025
35AQI
35AQI
9th July 2025
45AQI
45AQI
10th July 2025
47AQI
47AQI
11th July 2025
51AQI
51AQI
12th July 2025
49AQI
49AQI
13th July 2025
48AQI
48AQI
14th July 2025
53AQI
53AQI
15th July 2025
60AQI
60AQI
16th July 2025
69AQI
69AQI
17th July 2025
49AQI
49AQI
18th July 2025
29AQI
29AQI
19th July 2025
36AQI
36AQI
20th July 2025
29AQI
29AQI
21st July 2025
40AQI
40AQI
22nd July 2025
22AQI
22AQI
23rd July 2025
28AQI
28AQI
24th July 2025
38AQI
38AQI
25th July 2025
35AQI
35AQI
26th July 2025
54AQI
54AQI
27th July 2025
48AQI
48AQI
28th July 2025
52AQI
52AQI
29th July 2025
45AQI
45AQI
30th July 2025
55AQI
55AQI
31st July 2025
85AQI
85AQI
1st August 2025
48AQI
48AQI
20AQI
25AQI
24AQI
47AQI
45AQI
48AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202535AQI
5
30
31
17
13
22
9
1
106
22
Highest AQI recorded in
August48AQI
Lowest AQI recorded in
March20AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
35AQILeast Polluted Year Recorded
2025(Avg.)
35AQIBarrie's annual 2025 AQI (35) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
