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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Courtenay, British Columbia, 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

Courtenay, British Columbia, Canada

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
27th Aug 2023
92AQI
Lowest AQI recorded on
9th Aug 2023
6AQI

Same Day Analysis (4th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 50 of Good air quality on the same day.

Day & Night AQI Trend: 4th Aug - 5th Aug 2026

Courtenay, British Columbia, Canada

AQI
Day
Night
.

5 AM4th Aug 2026

9 PM

4 AM5th Aug 2026

Day time
Avg. Highest Time
8PM4th Aug

63AQI

Avg. Lowest Time
7AM4th Aug

38AQI

Night time
Avg. Highest Time
4AM5th Aug

76AQI

Avg. Lowest Time
11PM4th Aug

59AQI

In the last 24 hours,

Courtenay's AQI reached its highest point of 76 at 4 AM during the Night, while the lowest point, 38, was recorded at 7 AM during the Day between 4th Aug and 5th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Courtenay, British Columbia, Canada

JulAug
07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th
Day
Night
7th Jul 2026325 AMAQI
7th Jul 2026306 AMAQI
7th Jul 2026287 AMAQI
7th Jul 2026328 AMAQI
7th Jul 2026329 AMAQI
7th Jul 20263210 AMAQI
7th Jul 20263011 AMAQI
7th Jul 20262912 PMAQI
7th Jul 2026301 PMAQI
7th Jul 2026302 PMAQI
7th Jul 2026313 PMAQI
7th Jul 2026324 PMAQI
7th Jul 2026295 PMAQI
7th Jul 2026296 PMAQI
7th Jul 2026247 PMAQI
7th Jul 2026278 PMAQI
7th Jul 2026249 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20263011 PMAQI
8th Jul 20262812 AMAQI
8th Jul 2026281 AMAQI
8th Jul 2026252 AMAQI
8th Jul 2026223 AMAQI
8th Jul 2026224 AMAQI

17°C14/20°C

8th Jul 2026225 AMAQI
8th Jul 2026246 AMAQI
8th Jul 2026267 AMAQI
8th Jul 2026308 AMAQI
8th Jul 2026329 AMAQI
8th Jul 20263410 AMAQI
8th Jul 20263011 AMAQI
8th Jul 20262812 PMAQI
8th Jul 2026281 PMAQI
8th Jul 2026282 PMAQI
8th Jul 2026283 PMAQI
8th Jul 2026304 PMAQI
8th Jul 2026265 PMAQI
8th Jul 2026266 PMAQI
8th Jul 2026247 PMAQI
8th Jul 2026248 PMAQI
8th Jul 2026249 PMAQI
8th Jul 20262510 PMAQI
8th Jul 20262811 PMAQI
9th Jul 20262612 AMAQI
9th Jul 2026261 AMAQI
9th Jul 2026262 AMAQI
9th Jul 2026273 AMAQI
9th Jul 2026274 AMAQI

16°C14/20°C

9th Jul 2026275 AMAQI
9th Jul 2026266 AMAQI
9th Jul 2026287 AMAQI
9th Jul 2026328 AMAQI
9th Jul 2026329 AMAQI
9th Jul 20263010 AMAQI
9th Jul 20263011 AMAQI
9th Jul 20262812 PMAQI
9th Jul 2026301 PMAQI
9th Jul 2026322 PMAQI
9th Jul 2026293 PMAQI
9th Jul 2026314 PMAQI
9th Jul 2026315 PMAQI
9th Jul 2026316 PMAQI
9th Jul 2026307 PMAQI
9th Jul 2026288 PMAQI
9th Jul 2026289 PMAQI
9th Jul 20262610 PMAQI
9th Jul 20262611 PMAQI
10th Jul 20262612 AMAQI
10th Jul 2026311 AMAQI
10th Jul 2026302 AMAQI
10th Jul 2026323 AMAQI
10th Jul 2026324 AMAQI

17°C14/21°C

10th Jul 2026345 AMAQI
10th Jul 2026316 AMAQI
10th Jul 2026357 AMAQI
10th Jul 2026368 AMAQI
10th Jul 2026349 AMAQI
10th Jul 20263510 AMAQI
10th Jul 20263411 AMAQI
10th Jul 20263012 PMAQI
10th Jul 2026321 PMAQI
10th Jul 2026342 PMAQI
10th Jul 2026343 PMAQI
10th Jul 2026364 PMAQI
10th Jul 2026375 PMAQI
10th Jul 2026376 PMAQI
10th Jul 2026307 PMAQI
10th Jul 2026288 PMAQI
10th Jul 2026269 PMAQI
10th Jul 20262610 PMAQI
10th Jul 20262411 PMAQI
11th Jul 20262912 AMAQI
11th Jul 2026311 AMAQI
11th Jul 2026322 AMAQI
11th Jul 2026323 AMAQI
11th Jul 2026294 AMAQI

16°C13/20°C

11th Jul 2026325 AMAQI
11th Jul 2026326 AMAQI
11th Jul 2026347 AMAQI
11th Jul 2026348 AMAQI
11th Jul 2026339 AMAQI
11th Jul 20263210 AMAQI
11th Jul 20263411 AMAQI
11th Jul 20262812 PMAQI
11th Jul 2026321 PMAQI
11th Jul 2026322 PMAQI
11th Jul 2026323 PMAQI
11th Jul 2026314 PMAQI
11th Jul 2026325 PMAQI
11th Jul 2026326 PMAQI
11th Jul 2026287 PMAQI
11th Jul 2026268 PMAQI
11th Jul 2026249 PMAQI
11th Jul 20262410 PMAQI
11th Jul 20262411 PMAQI
12th Jul 20262612 AMAQI
12th Jul 2026301 AMAQI
12th Jul 2026302 AMAQI
12th Jul 2026303 AMAQI
12th Jul 2026294 AMAQI

15°C13/18°C

12th Jul 2026325 AMAQI
12th Jul 2026316 AMAQI
12th Jul 2026307 AMAQI
12th Jul 2026328 AMAQI
12th Jul 2026329 AMAQI
12th Jul 20263010 AMAQI
12th Jul 20263011 AMAQI
12th Jul 20263012 PMAQI
12th Jul 2026301 PMAQI
12th Jul 2026302 PMAQI
12th Jul 2026313 PMAQI
12th Jul 2026284 PMAQI
12th Jul 2026305 PMAQI
12th Jul 2026306 PMAQI
12th Jul 2026287 PMAQI
12th Jul 2026268 PMAQI
12th Jul 2026269 PMAQI
12th Jul 20262210 PMAQI
12th Jul 20262211 PMAQI
13th Jul 20262712 AMAQI
13th Jul 202681 AMAQI
13th Jul 2026322 AMAQI
13th Jul 2026323 AMAQI
13th Jul 2026344 AMAQI

15°C13/19°C

13th Jul 2026305 AMAQI
13th Jul 2026326 AMAQI
13th Jul 2026207 AMAQI
13th Jul 2026158 AMAQI
13th Jul 2026109 AMAQI
13th Jul 20261010 AMAQI
13th Jul 2026811 AMAQI
13th Jul 20262812 PMAQI
13th Jul 2026341 PMAQI
13th Jul 2026312 PMAQI
13th Jul 2026323 PMAQI
13th Jul 2026284 PMAQI
13th Jul 2026355 PMAQI
13th Jul 2026326 PMAQI
13th Jul 2026287 PMAQI
13th Jul 2026248 PMAQI
13th Jul 2026229 PMAQI
13th Jul 20262010 PMAQI
13th Jul 20262011 PMAQI
14th Jul 20262612 AMAQI
14th Jul 2026301 AMAQI
14th Jul 2026322 AMAQI
14th Jul 2026313 AMAQI
14th Jul 2026264 AMAQI

17°C13/21°C

14th Jul 2026205 AMAQI
14th Jul 2026166 AMAQI
14th Jul 2026147 AMAQI
14th Jul 2026138 AMAQI
14th Jul 2026269 AMAQI
14th Jul 20262210 AMAQI
14th Jul 20263211 AMAQI
14th Jul 20262012 PMAQI
14th Jul 2026221 PMAQI
14th Jul 2026262 PMAQI
14th Jul 2026323 PMAQI
14th Jul 2026324 PMAQI
14th Jul 2026295 PMAQI
14th Jul 2026326 PMAQI
14th Jul 2026267 PMAQI
14th Jul 2026248 PMAQI
14th Jul 2026229 PMAQI
14th Jul 20262210 PMAQI
14th Jul 20262011 PMAQI
15th Jul 20262212 AMAQI
15th Jul 2026261 AMAQI
15th Jul 2026282 AMAQI
15th Jul 2026243 AMAQI
15th Jul 2026264 AMAQI

18°C14/23°C

15th Jul 2026265 AMAQI
15th Jul 2026286 AMAQI
15th Jul 2026247 AMAQI
15th Jul 2026268 AMAQI
15th Jul 2026279 AMAQI
15th Jul 20263110 AMAQI
15th Jul 20263111 AMAQI
15th Jul 20263012 PMAQI
15th Jul 2026311 PMAQI
15th Jul 2026302 PMAQI
15th Jul 2026323 PMAQI
15th Jul 2026284 PMAQI
15th Jul 2026225 PMAQI
15th Jul 2026316 PMAQI
15th Jul 2026297 PMAQI
15th Jul 2026298 PMAQI
15th Jul 2026289 PMAQI
15th Jul 20261910 PMAQI
15th Jul 20262611 PMAQI
16th Jul 20262612 AMAQI
16th Jul 2026281 AMAQI
16th Jul 2026202 AMAQI
16th Jul 2026293 AMAQI
16th Jul 2026284 AMAQI

19°C15/23°C

16th Jul 2026305 AMAQI
16th Jul 2026206 AMAQI
16th Jul 2026227 AMAQI
16th Jul 2026318 AMAQI
16th Jul 2026309 AMAQI
16th Jul 20263110 AMAQI
16th Jul 20263011 AMAQI
16th Jul 20261812 PMAQI
16th Jul 2026301 PMAQI
16th Jul 2026302 PMAQI
16th Jul 2026303 PMAQI
16th Jul 2026264 PMAQI
16th Jul 2026275 PMAQI
16th Jul 2026306 PMAQI
16th Jul 2026287 PMAQI
16th Jul 2026288 PMAQI
16th Jul 2026269 PMAQI
16th Jul 20262610 PMAQI
16th Jul 20262411 PMAQI
17th Jul 20262012 AMAQI
17th Jul 2026241 AMAQI
17th Jul 2026542 AMAQI
17th Jul 2026533 AMAQI
17th Jul 2026564 AMAQI

19°C16/24°C

17th Jul 2026505 AMAQI
17th Jul 2026466 AMAQI
17th Jul 2026467 AMAQI
17th Jul 2026448 AMAQI
17th Jul 2026629 AMAQI
17th Jul 20263610 AMAQI
17th Jul 20267411 AMAQI
17th Jul 20264412 PMAQI
17th Jul 2026461 PMAQI
17th Jul 2026442 PMAQI
17th Jul 2026643 PMAQI
17th Jul 2026454 PMAQI
17th Jul 2026315 PMAQI
17th Jul 2026256 PMAQI
17th Jul 2026237 PMAQI
17th Jul 2026568 PMAQI
17th Jul 2026569 PMAQI
17th Jul 20265310 PMAQI
17th Jul 20265011 PMAQI
18th Jul 20265012 AMAQI
18th Jul 2026501 AMAQI
18th Jul 2026562 AMAQI
18th Jul 2026583 AMAQI
18th Jul 2026604 AMAQI

17°C16/19°C

18th Jul 2026565 AMAQI
18th Jul 2026566 AMAQI
18th Jul 2026607 AMAQI
18th Jul 2026658 AMAQI
18th Jul 2026659 AMAQI
18th Jul 20266410 AMAQI
18th Jul 20266911 AMAQI
18th Jul 20265412 PMAQI
18th Jul 2026721 PMAQI
18th Jul 2026862 PMAQI
18th Jul 2026743 PMAQI
18th Jul 2026604 PMAQI
18th Jul 2026525 PMAQI
18th Jul 2026566 PMAQI
18th Jul 2026427 PMAQI
18th Jul 2026388 PMAQI
18th Jul 2026409 PMAQI
18th Jul 20262410 PMAQI
18th Jul 20261711 PMAQI
19th Jul 20261612 AMAQI
19th Jul 2026481 AMAQI
19th Jul 2026502 AMAQI
19th Jul 2026563 AMAQI
19th Jul 2026444 AMAQI

17°C16/18°C

19th Jul 2026565 AMAQI
19th Jul 2026566 AMAQI
19th Jul 2026547 AMAQI
19th Jul 2026468 AMAQI
19th Jul 2026249 AMAQI
19th Jul 20262510 AMAQI
19th Jul 20262411 AMAQI
19th Jul 20262412 PMAQI
19th Jul 2026241 PMAQI
19th Jul 2026522 PMAQI
19th Jul 2026423 PMAQI
19th Jul 2026604 PMAQI
19th Jul 2026455 PMAQI
19th Jul 2026466 PMAQI
19th Jul 2026637 PMAQI
19th Jul 2026588 PMAQI
19th Jul 2026569 PMAQI
19th Jul 20265410 PMAQI
19th Jul 20265011 PMAQI
20th Jul 20265012 AMAQI
20th Jul 2026421 AMAQI
20th Jul 2026222 AMAQI
20th Jul 2026423 AMAQI
20th Jul 2026464 AMAQI

17°C14/21°C

20th Jul 2026425 AMAQI
20th Jul 2026476 AMAQI
20th Jul 2026467 AMAQI
20th Jul 2026428 AMAQI
20th Jul 2026469 AMAQI
20th Jul 20265010 AMAQI
20th Jul 20265311 AMAQI
20th Jul 20266212 PMAQI
20th Jul 2026691 PMAQI
20th Jul 2026602 PMAQI
20th Jul 2026503 PMAQI
20th Jul 2026554 PMAQI
20th Jul 2026625 PMAQI
20th Jul 2026656 PMAQI
20th Jul 2026667 PMAQI
20th Jul 2026629 PMAQI
20th Jul 20266410 PMAQI
20th Jul 20266011 PMAQI
21st Jul 20265412 AMAQI
21st Jul 2026531 AMAQI
21st Jul 2026532 AMAQI
21st Jul 2026593 AMAQI
21st Jul 2026544 AMAQI

20°C15/26°C

21st Jul 2026545 AMAQI
21st Jul 2026586 AMAQI
21st Jul 2026587 AMAQI
21st Jul 2026598 AMAQI
21st Jul 2026599 AMAQI
21st Jul 20266010 AMAQI
21st Jul 20266911 AMAQI
21st Jul 20267812 PMAQI
21st Jul 2026771 PMAQI
21st Jul 2026722 PMAQI
21st Jul 2026703 PMAQI
21st Jul 2026554 PMAQI
21st Jul 2026595 PMAQI
21st Jul 2026546 PMAQI
21st Jul 2026547 PMAQI
21st Jul 2026558 PMAQI
21st Jul 2026559 PMAQI
21st Jul 20265510 PMAQI
21st Jul 20265411 PMAQI
22nd Jul 20265612 AMAQI
22nd Jul 2026581 AMAQI
22nd Jul 2026582 AMAQI
22nd Jul 2026573 AMAQI
22nd Jul 2026534 AMAQI

21°C17/27°C

22nd Jul 2026535 AMAQI
22nd Jul 2026546 AMAQI
22nd Jul 2026537 AMAQI
22nd Jul 2026528 AMAQI
22nd Jul 2026589 AMAQI
22nd Jul 20265110 AMAQI
22nd Jul 20266611 AMAQI
22nd Jul 20266612 PMAQI
22nd Jul 2026661 PMAQI
22nd Jul 2026682 PMAQI
22nd Jul 2026683 PMAQI
22nd Jul 2026534 PMAQI
22nd Jul 2026545 PMAQI
22nd Jul 2026546 PMAQI
22nd Jul 2026577 PMAQI
22nd Jul 2026598 PMAQI
22nd Jul 2026569 PMAQI
22nd Jul 20265510 PMAQI
22nd Jul 20265511 PMAQI
23rd Jul 20265212 AMAQI
23rd Jul 2026551 AMAQI
23rd Jul 2026562 AMAQI
23rd Jul 2026553 AMAQI
23rd Jul 2026544 AMAQI

21°C17/27°C

23rd Jul 2026545 AMAQI
23rd Jul 2026536 AMAQI
23rd Jul 2026527 AMAQI
23rd Jul 2026488 AMAQI
23rd Jul 2026589 AMAQI
23rd Jul 20264810 AMAQI
23rd Jul 20264811 AMAQI
23rd Jul 20264612 PMAQI
23rd Jul 2026521 PMAQI
23rd Jul 2026502 PMAQI
23rd Jul 2026553 PMAQI
23rd Jul 2026564 PMAQI
23rd Jul 2026505 PMAQI
23rd Jul 2026446 PMAQI
23rd Jul 2026507 PMAQI
23rd Jul 2026408 PMAQI
23rd Jul 2026469 PMAQI
23rd Jul 20265410 PMAQI
23rd Jul 20265411 PMAQI
24th Jul 20264412 AMAQI
24th Jul 2026521 AMAQI
24th Jul 2026462 AMAQI
24th Jul 2026443 AMAQI
24th Jul 2026844 AMAQI

20°C17/23°C

24th Jul 2026765 AMAQI
24th Jul 2026886 AMAQI
24th Jul 2026747 AMAQI
24th Jul 2026948 AMAQI
24th Jul 2026809 AMAQI
24th Jul 20267810 AMAQI
24th Jul 20267411 AMAQI
24th Jul 20266512 PMAQI
24th Jul 2026761 PMAQI
24th Jul 2026602 PMAQI
24th Jul 2026603 PMAQI
24th Jul 2026584 PMAQI
24th Jul 2026675 PMAQI
24th Jul 2026466 PMAQI
24th Jul 2026667 PMAQI
24th Jul 2026408 PMAQI
24th Jul 2026469 PMAQI
24th Jul 20265810 PMAQI
24th Jul 20265811 PMAQI
25th Jul 20265012 AMAQI
25th Jul 2026581 AMAQI
25th Jul 2026682 AMAQI
25th Jul 2026653 AMAQI
25th Jul 2026634 AMAQI

19°C17/22°C

25th Jul 2026605 AMAQI
25th Jul 2026616 AMAQI
25th Jul 2026587 AMAQI
25th Jul 2026578 AMAQI
25th Jul 2026469 AMAQI
25th Jul 20265810 AMAQI
25th Jul 20265811 AMAQI
25th Jul 20266612 PMAQI
25th Jul 2026611 PMAQI
25th Jul 20261642 PMAQI
25th Jul 2026633 PMAQI
25th Jul 2026564 PMAQI
25th Jul 2026645 PMAQI
25th Jul 2026656 PMAQI
25th Jul 2026707 PMAQI
25th Jul 2026588 PMAQI
25th Jul 20261189 PMAQI
25th Jul 202618010 PMAQI
25th Jul 202612211 PMAQI
26th Jul 20263912 AMAQI
26th Jul 20262061 AMAQI
26th Jul 20261222 AMAQI
26th Jul 20261043 AMAQI
26th Jul 2026424 AMAQI

18°C16/20°C

26th Jul 20261255 AMAQI
26th Jul 20261466 AMAQI
26th Jul 20262007 AMAQI
26th Jul 20261248 AMAQI
26th Jul 20261749 AMAQI
26th Jul 20269610 AMAQI
26th Jul 202611511 AMAQI
26th Jul 20266112 PMAQI
26th Jul 2026611 PMAQI
26th Jul 2026632 PMAQI
26th Jul 20261023 PMAQI
26th Jul 2026504 PMAQI
26th Jul 2026575 PMAQI
26th Jul 2026646 PMAQI
26th Jul 2026987 PMAQI
26th Jul 2026788 PMAQI
26th Jul 20261109 PMAQI
26th Jul 202610010 PMAQI
26th Jul 20269811 PMAQI
27th Jul 20266012 AMAQI
27th Jul 2026621 AMAQI
27th Jul 20261042 AMAQI
27th Jul 2026673 AMAQI
27th Jul 2026644 AMAQI

17°C16/18°C

27th Jul 2026645 AMAQI
27th Jul 2026636 AMAQI
27th Jul 2026567 AMAQI
27th Jul 2026568 AMAQI
27th Jul 2026669 AMAQI
27th Jul 202610410 AMAQI
27th Jul 202613011 AMAQI
27th Jul 202615612 PMAQI
27th Jul 20261581 PMAQI
27th Jul 20261562 PMAQI
27th Jul 20261543 PMAQI
27th Jul 20261104 PMAQI
27th Jul 2026705 PMAQI
27th Jul 2026466 PMAQI
27th Jul 2026677 PMAQI
27th Jul 2026748 PMAQI
27th Jul 2026699 PMAQI
27th Jul 20266210 PMAQI
27th Jul 20266511 PMAQI
28th Jul 20266512 AMAQI
28th Jul 2026731 AMAQI
28th Jul 2026942 AMAQI
28th Jul 2026723 AMAQI
28th Jul 2026764 AMAQI

17°C15/19°C

28th Jul 2026705 AMAQI
28th Jul 2026506 AMAQI
28th Jul 2026747 AMAQI
28th Jul 20261148 AMAQI
28th Jul 2026969 AMAQI
28th Jul 20268910 AMAQI
28th Jul 20267211 AMAQI
28th Jul 20267012 PMAQI
28th Jul 20261131 PMAQI
28th Jul 2026402 PMAQI
28th Jul 2026503 PMAQI
28th Jul 2026424 PMAQI
28th Jul 2026465 PMAQI
28th Jul 2026486 PMAQI
28th Jul 2026467 PMAQI
28th Jul 2026488 PMAQI
28th Jul 2026469 PMAQI
28th Jul 20266110 PMAQI
28th Jul 20266211 PMAQI
29th Jul 20265812 AMAQI
29th Jul 2026561 AMAQI
29th Jul 2026462 AMAQI
29th Jul 2026203 AMAQI
29th Jul 2026244 AMAQI

17°C16/19°C

29th Jul 2026185 AMAQI
29th Jul 2026166 AMAQI
29th Jul 2026187 AMAQI
29th Jul 2026168 AMAQI
29th Jul 2026669 AMAQI
29th Jul 20263610 AMAQI
29th Jul 20266311 AMAQI
29th Jul 20266812 PMAQI
29th Jul 2026621 PMAQI
29th Jul 2026402 PMAQI
29th Jul 2026403 PMAQI
29th Jul 2026244 PMAQI
29th Jul 2026675 PMAQI
29th Jul 2026646 PMAQI
29th Jul 2026757 PMAQI
29th Jul 2026428 PMAQI
29th Jul 2026649 PMAQI
29th Jul 20266110 PMAQI
29th Jul 20266211 PMAQI
30th Jul 20264612 AMAQI
30th Jul 2026481 AMAQI
30th Jul 2026662 AMAQI
30th Jul 2026593 AMAQI
30th Jul 2026584 AMAQI

17°C14/21°C

30th Jul 2026625 AMAQI
30th Jul 2026756 AMAQI
30th Jul 20261387 AMAQI
30th Jul 20261528 AMAQI
30th Jul 20261559 AMAQI
30th Jul 202610810 AMAQI
30th Jul 202614211 AMAQI
30th Jul 20268212 PMAQI
30th Jul 2026631 PMAQI
30th Jul 2026562 PMAQI
30th Jul 2026583 PMAQI
30th Jul 2026574 PMAQI
30th Jul 2026625 PMAQI
30th Jul 2026786 PMAQI
30th Jul 2026657 PMAQI
30th Jul 2026638 PMAQI
30th Jul 2026609 PMAQI
30th Jul 20266210 PMAQI
30th Jul 20266011 PMAQI
31st Jul 20267012 AMAQI
31st Jul 2026621 AMAQI
31st Jul 2026462 AMAQI
31st Jul 2026503 AMAQI
31st Jul 2026724 AMAQI

17°C15/21°C

31st Jul 2026465 AMAQI
31st Jul 2026466 AMAQI
31st Jul 2026607 AMAQI
31st Jul 2026488 AMAQI
31st Jul 2026409 AMAQI
31st Jul 20267310 AMAQI
31st Jul 20266911 AMAQI
31st Jul 20267412 PMAQI
31st Jul 2026451 PMAQI
31st Jul 2026782 PMAQI
31st Jul 2026563 PMAQI
31st Jul 2026544 PMAQI
31st Jul 2026565 PMAQI
31st Jul 2026606 PMAQI
31st Jul 20261147 PMAQI
31st Jul 20261038 PMAQI
31st Jul 20261509 PMAQI
31st Jul 202610410 PMAQI
31st Jul 202615611 PMAQI
1st Aug 202615612 AMAQI
1st Aug 2026621 AMAQI
1st Aug 2026942 AMAQI
1st Aug 2026843 AMAQI
1st Aug 2026764 AMAQI

18°C16/21°C

1st Aug 2026685 AMAQI
1st Aug 2026646 AMAQI
1st Aug 2026907 AMAQI
1st Aug 2026778 AMAQI
1st Aug 2026779 AMAQI
1st Aug 20268610 AMAQI
1st Aug 20267411 AMAQI
1st Aug 20266912 PMAQI
1st Aug 2026681 PMAQI
1st Aug 2026562 PMAQI
1st Aug 2026653 PMAQI
1st Aug 2026644 PMAQI
1st Aug 2026585 PMAQI
1st Aug 2026366 PMAQI
1st Aug 2026207 PMAQI
1st Aug 2026208 PMAQI
1st Aug 2026169 PMAQI
1st Aug 20261610 PMAQI
1st Aug 20261611 PMAQI
2nd Aug 20261812 AMAQI
2nd Aug 2026181 AMAQI
2nd Aug 2026182 AMAQI
2nd Aug 2026463 AMAQI
2nd Aug 2026404 AMAQI

17°C16/20°C

2nd Aug 2026425 AMAQI
2nd Aug 2026546 AMAQI
2nd Aug 2026607 AMAQI
2nd Aug 2026658 AMAQI
2nd Aug 2026589 AMAQI
2nd Aug 20265010 AMAQI
2nd Aug 20265411 AMAQI
2nd Aug 20264212 PMAQI
2nd Aug 2026521 PMAQI
2nd Aug 2026602 PMAQI
2nd Aug 2026563 PMAQI
2nd Aug 2026584 PMAQI
2nd Aug 2026425 PMAQI
2nd Aug 2026276 PMAQI
2nd Aug 2026627 PMAQI
2nd Aug 2026628 PMAQI
2nd Aug 2026559 PMAQI
2nd Aug 20266310 PMAQI
2nd Aug 20264511 PMAQI
3rd Aug 20265212 AMAQI
3rd Aug 2026501 AMAQI
3rd Aug 2026462 AMAQI
3rd Aug 2026413 AMAQI
3rd Aug 2026564 AMAQI

16°C13/20°C

3rd Aug 2026585 AMAQI
3rd Aug 2026566 AMAQI
3rd Aug 2026567 AMAQI
3rd Aug 2026648 AMAQI
3rd Aug 2026609 AMAQI
3rd Aug 20265410 AMAQI
3rd Aug 20266811 AMAQI
3rd Aug 20266412 PMAQI
3rd Aug 20261091 PMAQI
3rd Aug 20261162 PMAQI
3rd Aug 2026623 PMAQI
3rd Aug 2026424 PMAQI
3rd Aug 2026425 PMAQI
3rd Aug 2026406 PMAQI
3rd Aug 2026557 PMAQI
3rd Aug 2026468 PMAQI
3rd Aug 2026519 PMAQI
3rd Aug 20265210 PMAQI
3rd Aug 20265211 PMAQI
4th Aug 20263612 AMAQI
4th Aug 2026501 AMAQI
4th Aug 2026602 AMAQI
4th Aug 2026503 AMAQI
4th Aug 2026364 AMAQI

17°C13/21°C

4th Aug 2026505 AMAQI
4th Aug 2026506 AMAQI
4th Aug 2026387 AMAQI
4th Aug 2026468 AMAQI
4th Aug 2026509 AMAQI
4th Aug 20265610 AMAQI
4th Aug 20265011 AMAQI
4th Aug 20265812 PMAQI
4th Aug 2026421 PMAQI
4th Aug 2026442 PMAQI
4th Aug 2026443 PMAQI
4th Aug 2026444 PMAQI
4th Aug 2026465 PMAQI
4th Aug 2026466 PMAQI
4th Aug 2026557 PMAQI
4th Aug 2026638 PMAQI
4th Aug 2026629 PMAQI
4th Aug 20265910 PMAQI
4th Aug 20265911 PMAQI
5th Aug 20266012 AMAQI
5th Aug 2026661 AMAQI
5th Aug 2026662 AMAQI
5th Aug 2026733 AMAQI
5th Aug 2026764 AMAQI

18°C14/23°C

5th Aug 2026775 AMAQI
5 AM
5th Aug 2026706 AMAQI
5th Aug 2026727 AMAQI
5th Aug 2026688 AMAQI
5th Aug 2026709 AMAQI
5th Aug 20267110 AMAQI
5th Aug 20266811 AMAQI
5th Aug 20267012 PMAQI
5th Aug 2026641 PMAQI
1 PM
5th Aug 2026692 PMAQI
5th Aug 2026633 PMAQI
5th Aug 2026624 PMAQI
5th Aug 2026645 PMAQI
5th Aug 2026596 PMAQI
5th Aug 2026677 PMAQI
5th Aug 2026658 PMAQI
5th Aug 2026669 PMAQI
9 PM
1 AM
4 AM

18°C15/23°C

Day time
Avg. Highest Time
11 AM

58AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
6 PM

44AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 11 AM (Avg. 58), while the lowest AQI was between 6 PM to 6 PM (Avg. 44).
Night time
Avg. Highest Time
10 PM - 11 PM

51AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
12 AM

44AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 11 PM (Avg. 51), while the lowest AQI was between 12 AM to 12 AM (Avg. 44).

2026 Days Vs Air Quality

Courtenay, British Columbia, Canada

2026

89%

190

10%

22

0.4%

1

Total number of days with different AQI categories in last 217 days in 2026 (148 days remaining)

Good
190 Days
Moderate
22 Days
Poor
1 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 89%

Health Risk Level:

Low

In 2026, 89% of 217 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

Courtenay, British Columbia, Canada

AQI levels in 2026

AQI (US)
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.

-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
48AQI (US)
2nd January 2026
58AQI (US)
3rd January 2026
32AQI (US)
4th January 2026
22AQI (US)
5th January 2026
33AQI (US)
6th January 2026
30AQI (US)
7th January 2026
42AQI (US)
8th January 2026
38AQI (US)
9th January 2026
39AQI (US)
10th January 2026
18AQI (US)
11th January 2026
14AQI (US)
12th January 2026
13AQI (US)
13th January 2026
16AQI (US)
14th January 2026
17AQI (US)
15th January 2026
25AQI (US)
16th January 2026
30AQI (US)
17th January 2026
43AQI (US)
18th January 2026
47AQI (US)
19th January 2026
49AQI (US)
20th January 2026
35AQI (US)
21st January 2026
46AQI (US)
22nd January 2026
48AQI (US)
23rd January 2026
56AQI (US)
24th January 2026
54AQI (US)
25th January 2026
48AQI (US)
26th January 2026
47AQI (US)
27th January 2026
43AQI (US)
28th January 2026
46AQI (US)
29th January 2026
52AQI (US)
30th January 2026
46AQI (US)
31st January 2026
44AQI (US)
1st February 2026
50AQI (US)
2nd February 2026
50AQI (US)
3rd February 2026
50AQI (US)
4th February 2026
52AQI (US)
5th February 2026
51AQI (US)
6th February 2026
44AQI (US)
7th February 2026
42AQI (US)
8th February 2026
46AQI (US)
9th February 2026
42AQI (US)
10th February 2026
46AQI (US)
11th February 2026
43AQI (US)
12th February 2026
20AQI (US)
13th February 2026
41AQI (US)
14th February 2026
39AQI (US)
15th February 2026
40AQI (US)
16th February 2026
39AQI (US)
17th February 2026
45AQI (US)
18th February 2026
34AQI (US)
19th February 2026
37AQI (US)
20th February 2026
19AQI (US)
21st February 2026
38AQI (US)
22nd February 2026
34AQI (US)
23rd February 2026
35AQI (US)
24th February 2026
38AQI (US)
25th February 2026
30AQI (US)
26th February 2026
33AQI (US)
27th February 2026
33AQI (US)
28th February 2026
36AQI (US)
1st March 2026
37AQI (US)
2nd March 2026
29AQI (US)
3rd March 2026
16AQI (US)
4th March 2026
47AQI (US)
5th March 2026
36AQI (US)
6th March 2026
33AQI (US)
7th March 2026
42AQI (US)
8th March 2026
34AQI (US)
9th March 2026
39AQI (US)
10th March 2026
35AQI (US)
11th March 2026
40AQI (US)
12th March 2026
40AQI (US)
13th March 2026
34AQI (US)
14th March 2026
36AQI (US)
15th March 2026
35AQI (US)
16th March 2026
36AQI (US)
17th March 2026
36AQI (US)
18th March 2026
32AQI (US)
19th March 2026
34AQI (US)
20th March 2026
40AQI (US)
21st March 2026
36AQI (US)
22nd March 2026
37AQI (US)
23rd March 2026
28AQI (US)
24th March 2026
36AQI (US)
25th March 2026
34AQI (US)
26th March 2026
26AQI (US)
27th March 2026
28AQI (US)
28th March 2026
30AQI (US)
29th March 2026
26AQI (US)
30th March 2026
21AQI (US)
31st March 2026
16AQI (US)
1st April 2026
27AQI (US)
2nd April 2026
34AQI (US)
3rd April 2026
27AQI (US)
4th April 2026
29AQI (US)
5th April 2026
27AQI (US)
6th April 2026
26AQI (US)
7th April 2026
28AQI (US)
8th April 2026
31AQI (US)
9th April 2026
28AQI (US)
10th April 2026
30AQI (US)
11th April 2026
34AQI (US)
12th April 2026
30AQI (US)
13th April 2026
34AQI (US)
14th April 2026
36AQI (US)
15th April 2026
34AQI (US)
16th April 2026
32AQI (US)
17th April 2026
18th April 2026
33AQI (US)
19th April 2026
34AQI (US)
20th April 2026
29AQI (US)
21st April 2026
27AQI (US)
22nd April 2026
23rd April 2026
27AQI (US)
24th April 2026
30AQI (US)
25th April 2026
30AQI (US)
26th April 2026
33AQI (US)
27th April 2026
28AQI (US)
28th April 2026
24AQI (US)
29th April 2026
23AQI (US)
30th April 2026
26AQI (US)
1st May 2026
27AQI (US)
2nd May 2026
26AQI (US)
3rd May 2026
22AQI (US)
4th May 2026
29AQI (US)
5th May 2026
30AQI (US)
6th May 2026
30AQI (US)
7th May 2026
28AQI (US)
8th May 2026
28AQI (US)
9th May 2026
10th May 2026
26AQI (US)
11th May 2026
30AQI (US)
12th May 2026
23AQI (US)
13th May 2026
19AQI (US)
14th May 2026
25AQI (US)
15th May 2026
44AQI (US)
16th May 2026
51AQI (US)
17th May 2026
57AQI (US)
18th May 2026
51AQI (US)
19th May 2026
46AQI (US)
20th May 2026
45AQI (US)
21st May 2026
37AQI (US)
22nd May 2026
44AQI (US)
23rd May 2026
40AQI (US)
24th May 2026
39AQI (US)
25th May 2026
38AQI (US)
26th May 2026
27AQI (US)
27th May 2026
28AQI (US)
28th May 2026
24AQI (US)
29th May 2026
26AQI (US)
30th May 2026
27AQI (US)
31st May 2026
25AQI (US)
1st June 2026
30AQI (US)
2nd June 2026
25AQI (US)
3rd June 2026
28AQI (US)
4th June 2026
24AQI (US)
5th June 2026
27AQI (US)
6th June 2026
25AQI (US)
7th June 2026
24AQI (US)
8th June 2026
26AQI (US)
9th June 2026
26AQI (US)
10th June 2026
27AQI (US)
11th June 2026
27AQI (US)
12th June 2026
27AQI (US)
13th June 2026
25AQI (US)
14th June 2026
24AQI (US)
15th June 2026
26AQI (US)
16th June 2026
27AQI (US)
17th June 2026
28AQI (US)
18th June 2026
27AQI (US)
19th June 2026
24AQI (US)
20th June 2026
24AQI (US)
21st June 2026
22AQI (US)
22nd June 2026
24AQI (US)
23rd June 2026
24AQI (US)
24th June 2026
24AQI (US)
25th June 2026
25AQI (US)
26th June 2026
27AQI (US)
27th June 2026
29AQI (US)
28th June 2026
27AQI (US)
29th June 2026
25AQI (US)
30th June 2026
26AQI (US)
1st July 2026
26AQI (US)
2nd July 2026
27AQI (US)
3rd July 2026
28AQI (US)
4th July 2026
25AQI (US)
5th July 2026
22AQI (US)
6th July 2026
22AQI (US)
7th July 2026
30AQI (US)
8th July 2026
27AQI (US)
9th July 2026
28AQI (US)
10th July 2026
32AQI (US)
11th July 2026
30AQI (US)
12th July 2026
29AQI (US)
13th July 2026
25AQI (US)
14th July 2026
25AQI (US)
15th July 2026
27AQI (US)
16th July 2026
27AQI (US)
17th July 2026
46AQI (US)
18th July 2026
55AQI (US)
19th July 2026
45AQI (US)
20th July 2026
52AQI (US)
21st July 2026
60AQI (US)
22nd July 2026
58AQI (US)
23rd July 2026
51AQI (US)
24th July 2026
64AQI (US)
25th July 2026
74AQI (US)
26th July 2026
102AQI (US)
27th July 2026
87AQI (US)
28th July 2026
67AQI (US)
29th July 2026
46AQI (US)
30th July 2026
78AQI (US)
31st July 2026
72AQI (US)
1st August 2026
63AQI (US)
2nd August 2026
48AQI (US)
3rd August 2026
58AQI (US)
4th August 2026
50AQI (US)
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

38AQI (US)

40AQI (US)

33AQI (US)

30AQI (US)

33AQI (US)

26AQI (US)

45AQI (US)

55AQI (US)

No. of days

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

202635AQI (US)

27
4
26
2
31
28
27
3
30
19
11
1
2
2
190
22
1

Highest AQI (US) recorded in

August

55AQI (US)

Lowest AQI (US) recorded in

June

26AQI (US)

202533AQI (US)

14
17
26
2
31
30
31
30
31
25
6
26
4
18
13
17
13
22
9
301
64

Highest AQI (US) recorded in

January

50AQI (US)

Lowest AQI (US) recorded in

May

19AQI (US)

202424AQI (US)

24
7
27
1
31
30
31
28
31
31
30
31
27
3
20
11
341
22

Highest AQI (US) recorded in

December

47AQI (US)

Lowest AQI (US) recorded in

June

14AQI (US)

202326AQI (US)

29
2
28
29
2
30
30
1
30
31
27
4
30
27
4
25
4
31
347
17

Highest AQI (US) recorded in

November

34AQI (US)

Lowest AQI (US) recorded in

July

16AQI (US)

202229AQI (US)

18
4
15
7
29
1
17
31
30
20
2
26
3
27
4
21
9
22
9
258
37

Highest AQI (US) recorded in

February

43AQI (US)

Lowest AQI (US) recorded in

June

16AQI (US)

202129AQI (US)

17
13
23
5
25
5
30
31
28
2
31
28
2
30
29
2
26
4
21
10
319
43

Highest AQI (US) recorded in

December

42AQI (US)

Lowest AQI (US) recorded in

May

17AQI (US)

202031AQI (US)

12
1
20
18
30
31
31
21
3
3
2
1
23
7
22
8
20
11
228
30
3
2
1

Highest AQI (US) recorded in

September

57AQI (US)

Lowest AQI (US) recorded in

June

11AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2026(Avg.)
35AQI (US)
Least Polluted Year Recorded
2024(Avg.)
24AQI (US)

Courtenay's annual 2026 AQI (US) (35) shows an average percentage change of 23.4% (worsened AQI (US)) compared to previous years: 2020 (31), 2021 (29), 2022 (29), 2023 (26), 2024 (24), 2025 (33).