Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Castlegar, 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

Castlegar, British Columbia, Canada

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
19th Aug 2023
206AQI
Lowest AQI recorded on
11th Aug 2023
11AQI

Same Day Analysis (1st August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 112 of Poor air quality on the same day.

Day & Night AQI Trend: 31st Jul - 1st Aug 2026

Castlegar, British Columbia, Canada

AQI
Day
Night
.

5 AM31st Jul 2026

8 PM

4 AM1st Aug 2026

Day time
Avg. Highest Time
5AM31st Jul

160AQI

Avg. Lowest Time
6PM31st Jul

70AQI

Night time
Avg. Highest Time
4AM1st Aug

124AQI

Avg. Lowest Time
9PM31st Jul

96AQI

In the last 24 hours,

Castlegar's AQI reached its highest point of 160 at 5 AM during the Day, while the lowest point, 70, was recorded at 6 PM during the Day between 31st Jul and 1st Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Castlegar, British Columbia, 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
Day
Night
3rd Jul 2026305 AMAQI
3rd Jul 202696 AMAQI
3rd Jul 2026107 AMAQI
3rd Jul 2026108 AMAQI
3rd Jul 202699 AMAQI
3rd Jul 20261010 AMAQI
3rd Jul 20261411 AMAQI
3rd Jul 20261812 PMAQI
3rd Jul 2026181 PMAQI
3rd Jul 2026122 PMAQI
3rd Jul 2026163 PMAQI
3rd Jul 202694 PMAQI
3rd Jul 202685 PMAQI
3rd Jul 2026276 PMAQI
3rd Jul 202687 PMAQI
3rd Jul 2026248 PMAQI
3rd Jul 2026269 PMAQI
3rd Jul 20261010 PMAQI
3rd Jul 20261011 PMAQI
4th Jul 20261012 AMAQI
4th Jul 2026121 AMAQI
4th Jul 2026142 AMAQI
4th Jul 2026103 AMAQI
4th Jul 2026104 AMAQI

22°C15/27°C

4th Jul 2026305 AMAQI
4th Jul 202686 AMAQI
4th Jul 2026117 AMAQI
4th Jul 2026288 AMAQI
4th Jul 2026159 AMAQI
4th Jul 20261310 AMAQI
4th Jul 20261011 AMAQI
4th Jul 20261112 PMAQI
4th Jul 2026251 PMAQI
4th Jul 2026222 PMAQI
4th Jul 2026123 PMAQI
4th Jul 202684 PMAQI
4th Jul 202695 PMAQI
4th Jul 2026206 PMAQI
4th Jul 202697 PMAQI
4th Jul 202698 PMAQI
4th Jul 2026109 PMAQI
4th Jul 20261410 PMAQI
4th Jul 20261811 PMAQI
5th Jul 20262212 AMAQI
5th Jul 2026261 AMAQI
5th Jul 2026242 AMAQI
5th Jul 2026163 AMAQI
5th Jul 2026404 AMAQI

24°C17/30°C

5th Jul 2026305 AMAQI
5th Jul 2026186 AMAQI
5th Jul 2026127 AMAQI
5th Jul 2026148 AMAQI
5th Jul 2026109 AMAQI
5th Jul 20261010 AMAQI
5th Jul 20261411 AMAQI
5th Jul 20261612 PMAQI
5th Jul 2026281 PMAQI
5th Jul 2026362 PMAQI
5th Jul 2026323 PMAQI
5th Jul 2026304 PMAQI
5th Jul 2026205 PMAQI
5th Jul 2026156 PMAQI
5th Jul 2026127 PMAQI
5th Jul 202698 PMAQI
5th Jul 2026119 PMAQI
5th Jul 20261010 PMAQI
5th Jul 20261011 PMAQI
6th Jul 20261312 AMAQI
6th Jul 2026141 AMAQI
6th Jul 2026162 AMAQI
6th Jul 2026143 AMAQI
6th Jul 2026134 AMAQI

22°C15/29°C

6th Jul 2026105 AMAQI
6th Jul 2026186 AMAQI
6th Jul 2026127 AMAQI
6th Jul 2026148 AMAQI
6th Jul 2026169 AMAQI
6th Jul 20262010 AMAQI
6th Jul 20261511 AMAQI
6th Jul 20261612 PMAQI
6th Jul 2026141 PMAQI
6th Jul 2026182 PMAQI
6th Jul 2026213 PMAQI
6th Jul 2026174 PMAQI
6th Jul 2026185 PMAQI
6th Jul 2026126 PMAQI
6th Jul 202697 PMAQI
6th Jul 2026128 PMAQI
6th Jul 2026129 PMAQI
6th Jul 20261510 PMAQI
6th Jul 20261611 PMAQI
7th Jul 20262012 AMAQI
7th Jul 2026221 AMAQI
7th Jul 2026202 AMAQI
7th Jul 2026173 AMAQI
7th Jul 202684 AMAQI

24°C13/32°C

7th Jul 2026135 AMAQI
7th Jul 2026136 AMAQI
7th Jul 2026157 AMAQI
7th Jul 2026178 AMAQI
7th Jul 2026229 AMAQI
7th Jul 20261410 AMAQI
7th Jul 20261411 AMAQI
7th Jul 20261412 PMAQI
7th Jul 2026101 PMAQI
7th Jul 2026242 PMAQI
7th Jul 2026223 PMAQI
7th Jul 2026194 PMAQI
7th Jul 2026145 PMAQI
7th Jul 2026126 PMAQI
7th Jul 2026187 PMAQI
7th Jul 2026148 PMAQI
7th Jul 2026129 PMAQI
7th Jul 20261810 PMAQI
7th Jul 20262011 PMAQI
8th Jul 20262212 AMAQI
8th Jul 2026201 AMAQI
8th Jul 2026162 AMAQI
8th Jul 2026233 AMAQI
8th Jul 2026144 AMAQI

26°C14/34°C

8th Jul 202695 AMAQI
8th Jul 2026236 AMAQI
8th Jul 2026237 AMAQI
8th Jul 2026228 AMAQI
8th Jul 2026249 AMAQI
8th Jul 20262310 AMAQI
8th Jul 20262611 AMAQI
8th Jul 20262512 PMAQI
8th Jul 2026211 PMAQI
8th Jul 2026172 PMAQI
8th Jul 2026153 PMAQI
8th Jul 2026194 PMAQI
8th Jul 2026145 PMAQI
8th Jul 2026146 PMAQI
8th Jul 2026267 PMAQI
8th Jul 2026348 PMAQI
8th Jul 2026449 PMAQI
8th Jul 20264410 PMAQI
8th Jul 20265111 PMAQI
9th Jul 20265712 AMAQI
9th Jul 2026351 AMAQI
9th Jul 2026602 AMAQI
9th Jul 2026593 AMAQI
9th Jul 2026344 AMAQI

26°C18/32°C

9th Jul 2026355 AMAQI
9th Jul 202696 AMAQI
9th Jul 202687 AMAQI
9th Jul 2026358 AMAQI
9th Jul 2026249 AMAQI
9th Jul 20263510 AMAQI
9th Jul 20263811 AMAQI
9th Jul 20263612 PMAQI
9th Jul 2026331 PMAQI
9th Jul 2026362 PMAQI
9th Jul 2026263 PMAQI
9th Jul 2026234 PMAQI
9th Jul 2026205 PMAQI
9th Jul 2026166 PMAQI
9th Jul 2026147 PMAQI
9th Jul 2026118 PMAQI
9th Jul 2026129 PMAQI
9th Jul 20261210 PMAQI
9th Jul 20262811 PMAQI
10th Jul 20265212 AMAQI
10th Jul 202681 AMAQI
10th Jul 2026242 AMAQI
10th Jul 2026363 AMAQI
10th Jul 2026264 AMAQI

25°C15/32°C

10th Jul 2026365 AMAQI
10th Jul 2026226 AMAQI
10th Jul 2026257 AMAQI
10th Jul 2026208 AMAQI
10th Jul 2026189 AMAQI
10th Jul 20261810 AMAQI
10th Jul 20261411 AMAQI
10th Jul 20261312 PMAQI
10th Jul 2026181 PMAQI
10th Jul 2026192 PMAQI
10th Jul 2026183 PMAQI
10th Jul 2026104 PMAQI
10th Jul 2026115 PMAQI
10th Jul 2026106 PMAQI
10th Jul 2026117 PMAQI
10th Jul 2026358 PMAQI
10th Jul 2026309 PMAQI
10th Jul 20261410 PMAQI
10th Jul 20261411 PMAQI
11th Jul 20261412 AMAQI
11th Jul 2026141 AMAQI
11th Jul 2026162 AMAQI
11th Jul 2026133 AMAQI
11th Jul 2026104 AMAQI

25°C16/33°C

11th Jul 2026125 AMAQI
11th Jul 2026106 AMAQI
11th Jul 2026107 AMAQI
11th Jul 2026168 AMAQI
11th Jul 2026169 AMAQI
11th Jul 20261010 AMAQI
11th Jul 20261411 AMAQI
11th Jul 20262612 PMAQI
11th Jul 2026201 PMAQI
11th Jul 2026192 PMAQI
11th Jul 2026163 PMAQI
11th Jul 2026214 PMAQI
11th Jul 2026175 PMAQI
11th Jul 2026106 PMAQI
11th Jul 2026127 PMAQI
11th Jul 202688 PMAQI
11th Jul 2026109 PMAQI
11th Jul 20261510 PMAQI
11th Jul 2026911 PMAQI
12th Jul 2026812 AMAQI
12th Jul 202691 AMAQI
12th Jul 2026102 AMAQI
12th Jul 2026103 AMAQI
12th Jul 2026104 AMAQI

25°C15/32°C

12th Jul 2026105 AMAQI
12th Jul 2026106 AMAQI
12th Jul 2026167 AMAQI
12th Jul 2026218 AMAQI
12th Jul 2026109 AMAQI
12th Jul 20261110 AMAQI
12th Jul 20261011 AMAQI
12th Jul 20261212 PMAQI
12th Jul 2026141 PMAQI
12th Jul 2026122 PMAQI
12th Jul 2026303 PMAQI
12th Jul 2026324 PMAQI
12th Jul 2026305 PMAQI
12th Jul 2026306 PMAQI
12th Jul 2026287 PMAQI
12th Jul 2026288 PMAQI
12th Jul 2026249 PMAQI
12th Jul 20261410 PMAQI
12th Jul 2026911 PMAQI
13th Jul 20261012 AMAQI
13th Jul 2026101 AMAQI
13th Jul 2026162 AMAQI
13th Jul 202693 AMAQI
13th Jul 2026304 AMAQI

25°C18/30°C

13th Jul 202685 AMAQI
13th Jul 2026326 AMAQI
13th Jul 2026227 AMAQI
13th Jul 2026148 AMAQI
13th Jul 2026129 AMAQI
13th Jul 20262010 AMAQI
13th Jul 20261411 AMAQI
13th Jul 20262612 PMAQI
13th Jul 2026121 PMAQI
13th Jul 2026202 PMAQI
13th Jul 2026203 PMAQI
13th Jul 2026144 PMAQI
13th Jul 2026165 PMAQI
13th Jul 2026146 PMAQI
13th Jul 2026147 PMAQI
13th Jul 2026128 PMAQI
13th Jul 2026149 PMAQI
13th Jul 20261410 PMAQI
13th Jul 20261611 PMAQI
14th Jul 20261512 AMAQI
14th Jul 2026181 AMAQI
14th Jul 2026142 AMAQI
14th Jul 2026163 AMAQI
14th Jul 2026134 AMAQI

25°C13/33°C

14th Jul 2026155 AMAQI
14th Jul 2026186 AMAQI
14th Jul 2026227 AMAQI
14th Jul 2026148 AMAQI
14th Jul 2026169 AMAQI
14th Jul 20261210 AMAQI
14th Jul 20262611 AMAQI
14th Jul 20263012 PMAQI
14th Jul 2026341 PMAQI
14th Jul 2026302 PMAQI
14th Jul 2026203 PMAQI
14th Jul 2026384 PMAQI
14th Jul 2026185 PMAQI
14th Jul 2026206 PMAQI
14th Jul 2026277 PMAQI
14th Jul 2026268 PMAQI
14th Jul 2026219 PMAQI
14th Jul 20261510 PMAQI
14th Jul 20261811 PMAQI
15th Jul 20262312 AMAQI
15th Jul 2026241 AMAQI
15th Jul 2026252 AMAQI
15th Jul 2026213 AMAQI
15th Jul 2026204 AMAQI

25°C16/35°C

15th Jul 2026215 AMAQI
15th Jul 2026256 AMAQI
15th Jul 2026317 AMAQI
15th Jul 2026218 AMAQI
15th Jul 2026239 AMAQI
15th Jul 20262510 AMAQI
15th Jul 20262311 AMAQI
15th Jul 20262312 PMAQI
15th Jul 2026281 PMAQI
15th Jul 2026212 PMAQI
15th Jul 2026143 PMAQI
15th Jul 2026144 PMAQI
15th Jul 202685 PMAQI
15th Jul 2026146 PMAQI
15th Jul 2026227 PMAQI
15th Jul 2026408 PMAQI
15th Jul 2026339 PMAQI
15th Jul 20262610 PMAQI
15th Jul 20261811 PMAQI
16th Jul 20261312 AMAQI
16th Jul 2026401 AMAQI
16th Jul 2026362 AMAQI
16th Jul 2026283 AMAQI
16th Jul 2026314 AMAQI

26°C15/36°C

16th Jul 2026265 AMAQI
16th Jul 2026686 AMAQI
16th Jul 2026667 AMAQI
16th Jul 2026308 AMAQI
16th Jul 2026329 AMAQI
16th Jul 20263810 AMAQI
16th Jul 20261211 AMAQI
16th Jul 20263012 PMAQI
16th Jul 2026421 PMAQI
16th Jul 2026292 PMAQI
16th Jul 2026203 PMAQI
16th Jul 2026204 PMAQI
16th Jul 2026265 PMAQI
16th Jul 2026306 PMAQI
16th Jul 2026397 PMAQI
16th Jul 2026338 PMAQI
16th Jul 2026359 PMAQI
16th Jul 20261710 PMAQI
16th Jul 20261411 PMAQI
17th Jul 20263812 AMAQI
17th Jul 2026341 AMAQI
17th Jul 2026482 AMAQI
17th Jul 2026513 AMAQI
17th Jul 2026384 AMAQI

28°C18/36°C

17th Jul 2026625 AMAQI
17th Jul 2026546 AMAQI
17th Jul 2026607 AMAQI
17th Jul 2026428 AMAQI
17th Jul 2026469 AMAQI
17th Jul 20264410 AMAQI
17th Jul 20264011 AMAQI
17th Jul 20265412 PMAQI
17th Jul 2026481 PMAQI
17th Jul 2026452 PMAQI
17th Jul 20261463 PMAQI
17th Jul 20261384 PMAQI
17th Jul 20261525 PMAQI
17th Jul 2026426 PMAQI
17th Jul 2026337 PMAQI
17th Jul 2026388 PMAQI
17th Jul 2026489 PMAQI
17th Jul 20264410 PMAQI
17th Jul 20265111 PMAQI
18th Jul 20265412 AMAQI
18th Jul 2026621 AMAQI
18th Jul 2026622 AMAQI
18th Jul 2026703 AMAQI
18th Jul 2026674 AMAQI

28°C20/36°C

18th Jul 2026725 AMAQI
18th Jul 2026726 AMAQI
18th Jul 2026677 AMAQI
18th Jul 2026388 AMAQI
18th Jul 2026389 AMAQI
18th Jul 20265810 AMAQI
18th Jul 20267811 AMAQI
18th Jul 20268212 PMAQI
18th Jul 2026611 PMAQI
18th Jul 2026422 PMAQI
18th Jul 2026443 PMAQI
18th Jul 2026364 PMAQI
18th Jul 2026525 PMAQI
18th Jul 2026786 PMAQI
18th Jul 2026987 PMAQI
18th Jul 20261128 PMAQI
18th Jul 20261069 PMAQI
18th Jul 202611210 PMAQI
18th Jul 202613311 PMAQI
19th Jul 202613512 AMAQI
19th Jul 20261131 AMAQI
19th Jul 2026982 AMAQI
19th Jul 2026773 AMAQI
19th Jul 2026754 AMAQI

26°C17/33°C

19th Jul 2026595 AMAQI
19th Jul 2026646 AMAQI
19th Jul 2026667 AMAQI
19th Jul 2026608 AMAQI
19th Jul 2026579 AMAQI
19th Jul 20266010 AMAQI
19th Jul 20265711 AMAQI
19th Jul 20264212 PMAQI
19th Jul 2026481 PMAQI
19th Jul 2026462 PMAQI
19th Jul 2026553 PMAQI
19th Jul 2026444 PMAQI
19th Jul 2026465 PMAQI
19th Jul 2026466 PMAQI
19th Jul 2026467 PMAQI
19th Jul 2026648 PMAQI
19th Jul 2026649 PMAQI
19th Jul 20266710 PMAQI
19th Jul 20267111 PMAQI
20th Jul 20267012 AMAQI
20th Jul 2026721 AMAQI
20th Jul 2026742 AMAQI
20th Jul 2026743 AMAQI
20th Jul 2026664 AMAQI

25°C15/32°C

20th Jul 2026555 AMAQI
20th Jul 2026606 AMAQI
20th Jul 2026587 AMAQI
20th Jul 2026588 AMAQI
20th Jul 2026549 AMAQI
20th Jul 20265210 AMAQI
20th Jul 20264911 AMAQI
20th Jul 20265012 PMAQI
20th Jul 2026441 PMAQI
20th Jul 2026462 PMAQI
20th Jul 2026463 PMAQI
20th Jul 2026534 PMAQI
20th Jul 2026545 PMAQI
20th Jul 2026566 PMAQI
20th Jul 2026637 PMAQI
20th Jul 2026639 PMAQI
20th Jul 20266510 PMAQI
20th Jul 20266411 PMAQI
21st Jul 20265812 AMAQI
21st Jul 2026631 AMAQI
21st Jul 2026642 AMAQI
21st Jul 2026603 AMAQI
21st Jul 2026664 AMAQI

26°C17/34°C

21st Jul 2026675 AMAQI
21st Jul 2026646 AMAQI
21st Jul 2026547 AMAQI
21st Jul 2026508 AMAQI
21st Jul 2026389 AMAQI
21st Jul 20263910 AMAQI
21st Jul 20267011 AMAQI
21st Jul 20266912 PMAQI
21st Jul 2026681 PMAQI
21st Jul 2026692 PMAQI
21st Jul 2026653 PMAQI
21st Jul 2026624 PMAQI
21st Jul 2026585 PMAQI
21st Jul 2026576 PMAQI
21st Jul 2026557 PMAQI
21st Jul 2026528 PMAQI
21st Jul 2026539 PMAQI
21st Jul 20265910 PMAQI
21st Jul 20265811 PMAQI
22nd Jul 20266212 AMAQI
22nd Jul 2026651 AMAQI
22nd Jul 2026642 AMAQI
22nd Jul 2026683 AMAQI
22nd Jul 2026684 AMAQI

28°C18/36°C

22nd Jul 2026705 AMAQI
22nd Jul 2026646 AMAQI
22nd Jul 2026627 AMAQI
22nd Jul 2026568 AMAQI
22nd Jul 2026789 AMAQI
22nd Jul 20265010 AMAQI
22nd Jul 20267411 AMAQI
22nd Jul 20268812 PMAQI
22nd Jul 2026961 PMAQI
22nd Jul 2026962 PMAQI
22nd Jul 2026913 PMAQI
22nd Jul 2026864 PMAQI
22nd Jul 2026825 PMAQI
22nd Jul 20261056 PMAQI
22nd Jul 20261067 PMAQI
22nd Jul 20261048 PMAQI
22nd Jul 20261069 PMAQI
22nd Jul 202612010 PMAQI
22nd Jul 202611711 PMAQI
23rd Jul 202612212 AMAQI
23rd Jul 20261241 AMAQI
23rd Jul 20261222 AMAQI
23rd Jul 20261293 AMAQI
23rd Jul 20261284 AMAQI

29°C18/38°C

23rd Jul 20261325 AMAQI
23rd Jul 20261426 AMAQI
23rd Jul 20261377 AMAQI
23rd Jul 20261408 AMAQI
23rd Jul 20261389 AMAQI
23rd Jul 202614010 AMAQI
23rd Jul 202614011 AMAQI
23rd Jul 202614212 PMAQI
23rd Jul 20261401 PMAQI
23rd Jul 20261302 PMAQI
23rd Jul 20261493 PMAQI
23rd Jul 20261564 PMAQI
23rd Jul 20261625 PMAQI
23rd Jul 20261556 PMAQI
23rd Jul 20261567 PMAQI
23rd Jul 20261598 PMAQI
23rd Jul 20261589 PMAQI
23rd Jul 202615810 PMAQI
23rd Jul 202615611 PMAQI
24th Jul 202613812 AMAQI
24th Jul 20261191 AMAQI
24th Jul 20261262 AMAQI
24th Jul 20261363 AMAQI
24th Jul 20261424 AMAQI

29°C20/37°C

24th Jul 20261325 AMAQI
24th Jul 20261356 AMAQI
24th Jul 20261367 AMAQI
24th Jul 20261168 AMAQI
24th Jul 20261149 AMAQI
24th Jul 202611410 AMAQI
24th Jul 202611111 AMAQI
24th Jul 202611512 PMAQI
24th Jul 20261241 PMAQI
24th Jul 20261082 PMAQI
24th Jul 2026843 PMAQI
24th Jul 2026824 PMAQI
24th Jul 2026685 PMAQI
24th Jul 2026706 PMAQI
24th Jul 2026897 PMAQI
24th Jul 20261038 PMAQI
24th Jul 2026889 PMAQI
24th Jul 202611710 PMAQI
24th Jul 202612011 PMAQI
25th Jul 202613012 AMAQI
25th Jul 20261331 AMAQI
25th Jul 20261302 AMAQI
25th Jul 20261133 AMAQI
25th Jul 20261184 AMAQI

27°C16/36°C

25th Jul 20261125 AMAQI
25th Jul 20261026 AMAQI
25th Jul 2026967 AMAQI
25th Jul 2026798 AMAQI
25th Jul 2026779 AMAQI
25th Jul 20268510 AMAQI
25th Jul 202610011 AMAQI
25th Jul 20268612 PMAQI
25th Jul 2026911 PMAQI
25th Jul 2026842 PMAQI
25th Jul 2026873 PMAQI
25th Jul 20261004 PMAQI
25th Jul 2026925 PMAQI
25th Jul 2026686 PMAQI
25th Jul 2026697 PMAQI
25th Jul 2026688 PMAQI
25th Jul 2026629 PMAQI
25th Jul 20264210 PMAQI
25th Jul 20265511 PMAQI
26th Jul 20265412 AMAQI
26th Jul 2026601 AMAQI
26th Jul 2026602 AMAQI
26th Jul 2026763 AMAQI
26th Jul 2026804 AMAQI

27°C18/35°C

26th Jul 2026915 AMAQI
26th Jul 20261006 AMAQI
26th Jul 20261107 AMAQI
26th Jul 20261008 AMAQI
26th Jul 2026829 AMAQI
26th Jul 20268010 AMAQI
26th Jul 20269011 AMAQI
26th Jul 202612112 PMAQI
26th Jul 20261491 PMAQI
26th Jul 20261342 PMAQI
26th Jul 20261203 PMAQI
26th Jul 20261094 PMAQI
26th Jul 2026875 PMAQI
26th Jul 2026796 PMAQI
26th Jul 2026767 PMAQI
26th Jul 20261148 PMAQI
26th Jul 20261459 PMAQI
26th Jul 202615410 PMAQI
26th Jul 202614511 PMAQI
27th Jul 202615012 AMAQI
27th Jul 20261341 AMAQI
27th Jul 20261342 AMAQI
27th Jul 20261143 AMAQI
27th Jul 20261144 AMAQI

24°C16/32°C

27th Jul 2026955 AMAQI
27th Jul 2026726 AMAQI
27th Jul 2026587 AMAQI
27th Jul 2026668 AMAQI
27th Jul 2026869 AMAQI
27th Jul 20268710 AMAQI
27th Jul 20268211 AMAQI
27th Jul 20268712 PMAQI
27th Jul 2026901 PMAQI
27th Jul 2026952 PMAQI
27th Jul 2026913 PMAQI
27th Jul 2026934 PMAQI
27th Jul 2026965 PMAQI
27th Jul 20261026 PMAQI
27th Jul 20261007 PMAQI
27th Jul 20261028 PMAQI
27th Jul 20261029 PMAQI
27th Jul 202610210 PMAQI
27th Jul 202610011 PMAQI
28th Jul 202610212 AMAQI
28th Jul 20261121 AMAQI
28th Jul 20261142 AMAQI
28th Jul 20261163 AMAQI
28th Jul 20261204 AMAQI

25°C15/32°C

28th Jul 20261045 AMAQI
28th Jul 2026956 AMAQI
28th Jul 2026987 AMAQI
28th Jul 2026788 AMAQI
28th Jul 2026699 AMAQI
28th Jul 20268610 AMAQI
28th Jul 202610611 AMAQI
28th Jul 20268912 PMAQI
28th Jul 2026791 PMAQI
28th Jul 2026802 PMAQI
28th Jul 2026903 PMAQI
28th Jul 2026954 PMAQI
28th Jul 2026785 PMAQI
28th Jul 2026686 PMAQI
28th Jul 2026587 PMAQI
28th Jul 2026568 PMAQI
28th Jul 2026539 PMAQI
28th Jul 20264010 PMAQI
28th Jul 20264011 PMAQI
29th Jul 20264612 AMAQI
29th Jul 2026511 AMAQI
29th Jul 2026542 AMAQI
29th Jul 2026563 AMAQI
29th Jul 2026584 AMAQI

25°C16/33°C

29th Jul 2026625 AMAQI
29th Jul 2026546 AMAQI
29th Jul 2026627 AMAQI
29th Jul 2026528 AMAQI
29th Jul 2026619 AMAQI
29th Jul 20268610 AMAQI
29th Jul 20267811 AMAQI
29th Jul 20267112 PMAQI
29th Jul 2026971 PMAQI
29th Jul 2026872 PMAQI
29th Jul 2026773 PMAQI
29th Jul 2026744 PMAQI
29th Jul 2026665 PMAQI
29th Jul 2026666 PMAQI
29th Jul 2026667 PMAQI
29th Jul 2026708 PMAQI
29th Jul 2026729 PMAQI
29th Jul 20267710 PMAQI
29th Jul 20268011 PMAQI
30th Jul 20269212 AMAQI
30th Jul 2026841 AMAQI
30th Jul 2026962 AMAQI
30th Jul 2026983 AMAQI
30th Jul 20261114 AMAQI

25°C16/32°C

30th Jul 20261045 AMAQI
30th Jul 2026996 AMAQI
30th Jul 2026907 AMAQI
30th Jul 2026968 AMAQI
30th Jul 2026949 AMAQI
30th Jul 202612310 AMAQI
30th Jul 202613211 AMAQI
30th Jul 202611412 PMAQI
30th Jul 20261301 PMAQI
30th Jul 20261132 PMAQI
30th Jul 2026963 PMAQI
30th Jul 20261334 PMAQI
30th Jul 20261255 PMAQI
30th Jul 2026906 PMAQI
30th Jul 20261067 PMAQI
30th Jul 20261408 PMAQI
30th Jul 20261569 PMAQI
30th Jul 202616210 PMAQI
30th Jul 202616411 PMAQI
31st Jul 202616612 AMAQI
31st Jul 20261651 AMAQI
31st Jul 20261672 AMAQI
31st Jul 20261663 AMAQI
31st Jul 20261634 AMAQI

25°C15/33°C

31st Jul 20261605 AMAQI
31st Jul 20261586 AMAQI
31st Jul 20261567 AMAQI
31st Jul 20261228 AMAQI
31st Jul 20261009 AMAQI
31st Jul 202612210 AMAQI
31st Jul 202613211 AMAQI
31st Jul 202613812 PMAQI
31st Jul 20261491 PMAQI
31st Jul 20261462 PMAQI
31st Jul 20261243 PMAQI
31st Jul 20261004 PMAQI
31st Jul 2026765 PMAQI
31st Jul 2026706 PMAQI
31st Jul 2026827 PMAQI
31st Jul 2026938 PMAQI
31st Jul 2026969 PMAQI
31st Jul 202610710 PMAQI
31st Jul 202610511 PMAQI
1st Aug 202610312 AMAQI
1st Aug 20261071 AMAQI
1st Aug 20261102 AMAQI
1st Aug 20261203 AMAQI
1st Aug 20261244 AMAQI

26°C16/35°C

1st Aug 20261145 AMAQI
5 AM
1st Aug 20261096 AMAQI
1st Aug 20261087 AMAQI
1st Aug 2026778 AMAQI
1st Aug 2026729 AMAQI
1st Aug 20269210 AMAQI
1st Aug 202611111 AMAQI
1st Aug 202610412 PMAQI
12 PM
1st Aug 2026851 PMAQI
1st Aug 2026862 PMAQI
1st Aug 20261483 PMAQI
1st Aug 20261574 PMAQI
1st Aug 20261535 PMAQI
1st Aug 20261066 PMAQI
1st Aug 2026787 PMAQI
1st Aug 2026988 PMAQI
8 PM
1st Aug 20261299 PMAQI
1st Aug 202616010 PMAQI
1st Aug 202615211 PMAQI
12 AM
4 AM

25°C17/34°C

Day time
Avg. Highest Time
1 PM

61AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
9 AM

48AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 1 PM (Avg. 61), while the lowest AQI was between 9 AM to 9 AM (Avg. 48).
Night time
Avg. Highest Time
2 AM - 11 PM

61AQI

6 hours / Day
180 hours / Month
Avg. Lowest Time
12 AM - 1 AM

60AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 11 PM (Avg. 61), while the lowest AQI was between 12 AM to 1 AM (Avg. 60).

2026 Days Vs Air Quality

Castlegar, British Columbia, Canada

2026

91%

191

7%

14

2%

5

Total number of days with different AQI categories in last 213 days in 2026 (152 days remaining)

Good
191 Days
Moderate
14 Days
Poor
5 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 91%

Health Risk Level:

Very Low

In 2026, 91% of 213 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

Castlegar, 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
25AQI (US)
2nd January 2026
28AQI (US)
3rd January 2026
32AQI (US)
4th January 2026
29AQI (US)
5th January 2026
29AQI (US)
6th January 2026
16AQI (US)
7th January 2026
21AQI (US)
8th January 2026
20AQI (US)
9th January 2026
31AQI (US)
10th January 2026
43AQI (US)
11th January 2026
50AQI (US)
12th January 2026
49AQI (US)
13th January 2026
56AQI (US)
14th January 2026
34AQI (US)
15th January 2026
21AQI (US)
16th January 2026
28AQI (US)
17th January 2026
25AQI (US)
18th January 2026
26AQI (US)
19th January 2026
29AQI (US)
20th January 2026
33AQI (US)
21st January 2026
34AQI (US)
22nd January 2026
47AQI (US)
23rd January 2026
52AQI (US)
24th January 2026
50AQI (US)
25th January 2026
43AQI (US)
26th January 2026
41AQI (US)
27th January 2026
29AQI (US)
28th January 2026
26AQI (US)
29th January 2026
36AQI (US)
30th January 2026
40AQI (US)
31st January 2026
25AQI (US)
1st February 2026
43AQI (US)
2nd February 2026
40AQI (US)
3rd February 2026
39AQI (US)
4th February 2026
36AQI (US)
5th February 2026
37AQI (US)
6th February 2026
35AQI (US)
7th February 2026
34AQI (US)
8th February 2026
32AQI (US)
9th February 2026
37AQI (US)
10th February 2026
33AQI (US)
11th February 2026
32AQI (US)
12th February 2026
32AQI (US)
13th February 2026
25AQI (US)
14th February 2026
34AQI (US)
15th February 2026
22AQI (US)
16th February 2026
34AQI (US)
17th February 2026
32AQI (US)
18th February 2026
35AQI (US)
19th February 2026
32AQI (US)
20th February 2026
26AQI (US)
21st February 2026
37AQI (US)
22nd February 2026
29AQI (US)
23rd February 2026
29AQI (US)
24th February 2026
45AQI (US)
25th February 2026
35AQI (US)
26th February 2026
30AQI (US)
27th February 2026
32AQI (US)
28th February 2026
25AQI (US)
1st March 2026
30AQI (US)
2nd March 2026
48AQI (US)
3rd March 2026
31AQI (US)
4th March 2026
37AQI (US)
5th March 2026
35AQI (US)
6th March 2026
22AQI (US)
7th March 2026
38AQI (US)
8th March 2026
34AQI (US)
9th March 2026
32AQI (US)
10th March 2026
34AQI (US)
11th March 2026
32AQI (US)
12th March 2026
26AQI (US)
13th March 2026
38AQI (US)
14th March 2026
28AQI (US)
15th March 2026
20AQI (US)
16th March 2026
27AQI (US)
17th March 2026
25AQI (US)
18th March 2026
27AQI (US)
19th March 2026
31AQI (US)
20th March 2026
35AQI (US)
21st March 2026
34AQI (US)
22nd March 2026
23AQI (US)
23rd March 2026
30AQI (US)
24th March 2026
28AQI (US)
25th March 2026
24AQI (US)
26th March 2026
29AQI (US)
27th March 2026
22AQI (US)
28th March 2026
21AQI (US)
29th March 2026
27AQI (US)
30th March 2026
23AQI (US)
31st March 2026
24AQI (US)
1st April 2026
23AQI (US)
2nd April 2026
23AQI (US)
3rd April 2026
16AQI (US)
4th April 2026
21AQI (US)
5th April 2026
24AQI (US)
6th April 2026
29AQI (US)
7th April 2026
22AQI (US)
8th April 2026
24AQI (US)
9th April 2026
25AQI (US)
10th April 2026
28AQI (US)
11th April 2026
27AQI (US)
12th April 2026
26AQI (US)
13th April 2026
29AQI (US)
14th April 2026
22AQI (US)
15th April 2026
33AQI (US)
16th April 2026
21AQI (US)
17th April 2026
18th April 2026
19AQI (US)
19th April 2026
21AQI (US)
20th April 2026
26AQI (US)
21st April 2026
25AQI (US)
22nd April 2026
23rd April 2026
18AQI (US)
24th April 2026
21AQI (US)
25th April 2026
20AQI (US)
26th April 2026
24AQI (US)
27th April 2026
21AQI (US)
28th April 2026
21AQI (US)
29th April 2026
23AQI (US)
30th April 2026
27AQI (US)
1st May 2026
26AQI (US)
2nd May 2026
24AQI (US)
3rd May 2026
22AQI (US)
4th May 2026
32AQI (US)
5th May 2026
29AQI (US)
6th May 2026
24AQI (US)
7th May 2026
19AQI (US)
8th May 2026
26AQI (US)
9th May 2026
10th May 2026
21AQI (US)
11th May 2026
19AQI (US)
12th May 2026
19AQI (US)
13th May 2026
22AQI (US)
14th May 2026
18AQI (US)
15th May 2026
41AQI (US)
16th May 2026
50AQI (US)
17th May 2026
52AQI (US)
18th May 2026
47AQI (US)
19th May 2026
44AQI (US)
20th May 2026
47AQI (US)
21st May 2026
37AQI (US)
22nd May 2026
45AQI (US)
23rd May 2026
46AQI (US)
24th May 2026
42AQI (US)
25th May 2026
42AQI (US)
26th May 2026
18AQI (US)
27th May 2026
21AQI (US)
28th May 2026
26AQI (US)
29th May 2026
17AQI (US)
30th May 2026
19AQI (US)
31st May 2026
14AQI (US)
1st June 2026
20AQI (US)
2nd June 2026
20AQI (US)
3rd June 2026
18AQI (US)
4th June 2026
20AQI (US)
5th June 2026
15AQI (US)
6th June 2026
20AQI (US)
7th June 2026
21AQI (US)
8th June 2026
17AQI (US)
9th June 2026
23AQI (US)
10th June 2026
22AQI (US)
11th June 2026
20AQI (US)
12th June 2026
18AQI (US)
13th June 2026
20AQI (US)
14th June 2026
20AQI (US)
15th June 2026
20AQI (US)
16th June 2026
18AQI (US)
17th June 2026
16AQI (US)
18th June 2026
20AQI (US)
19th June 2026
16AQI (US)
20th June 2026
15AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
18AQI (US)
23rd June 2026
15AQI (US)
24th June 2026
17AQI (US)
25th June 2026
18AQI (US)
26th June 2026
21AQI (US)
27th June 2026
27AQI (US)
28th June 2026
26AQI (US)
29th June 2026
44AQI (US)
30th June 2026
47AQI (US)
1st July 2026
23AQI (US)
2nd July 2026
14AQI (US)
3rd July 2026
14AQI (US)
4th July 2026
14AQI (US)
5th July 2026
19AQI (US)
6th July 2026
15AQI (US)
7th July 2026
16AQI (US)
8th July 2026
24AQI (US)
9th July 2026
29AQI (US)
10th July 2026
21AQI (US)
11th July 2026
14AQI (US)
12th July 2026
16AQI (US)
13th July 2026
16AQI (US)
14th July 2026
21AQI (US)
15th July 2026
23AQI (US)
16th July 2026
32AQI (US)
17th July 2026
58AQI (US)
18th July 2026
70AQI (US)
19th July 2026
65AQI (US)
20th July 2026
58AQI (US)
21st July 2026
59AQI (US)
22nd July 2026
82AQI (US)
23rd July 2026
142AQI (US)
24th July 2026
112AQI (US)
25th July 2026
91AQI (US)
26th July 2026
100AQI (US)
27th July 2026
98AQI (US)
28th July 2026
84AQI (US)
29th July 2026
68AQI (US)
30th July 2026
114AQI (US)
31st July 2026
128AQI (US)
1st August 2026
112AQI (US)
2nd August 2026
3rd August 2026
4th August 2026
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

34AQI (US)

33AQI (US)

30AQI (US)

24AQI (US)

30AQI (US)

21AQI (US)

53AQI (US)

112AQI (US)

No. of days

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

202633AQI (US)

29
2
28
31
28
29
1
30
16
11
4
1
191
14
5

Highest AQI (US) recorded in

August

112AQI (US)

Lowest AQI (US) recorded in

June

21AQI (US)

202533AQI (US)

30
1
28
31
30
31
30
31
25
6
8
19
3
28
3
21
9
30
1
323
39
3

Highest AQI (US) recorded in

September

66AQI (US)

Lowest AQI (US) recorded in

May

20AQI (US)

202430AQI (US)

31
29
31
30
31
29
22
7
2
20
11
28
2
29
2
25
5
30
1
335
27
3

Highest AQI (US) recorded in

July

46AQI (US)

Lowest AQI (US) recorded in

June

20AQI (US)

202341AQI (US)

29
2
28
31
30
25
3
28
2
28
3
13
11
2
4
1
29
1
28
3
19
6
1
1
2
25
2
1
3
313
33
3
5
2
5

Highest AQI (US) recorded in

August

76AQI (US)

Lowest AQI (US) recorded in

April

24AQI (US)

202234AQI (US)

27
3
18
4
29
1
17
31
30
20
2
20
5
3
1
19
11
1
23
7
29
2
265
33
4
1

Highest AQI (US) recorded in

September

54AQI (US)

Lowest AQI (US) recorded in

May

19AQI (US)

202143AQI (US)

28
2
28
26
4
24
6
31
29
1
10
9
2
5
4
1
12
6
6
2
3
1
23
3
4
30
1
26
4
31
298
36
12
7
7
2

Highest AQI (US) recorded in

July

108AQI (US)

Lowest AQI (US) recorded in

May

22AQI (US)

202035AQI (US)

13
20
18
29
1
30
1
30
1
19
2
2
3
1
3
27
4
22
8
29
2
237
19
2
3
1
3

Highest AQI (US) recorded in

September

92AQI (US)

Lowest AQI (US) recorded in

June

18AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2021(Avg.)
43AQI (US)
Least Polluted Year Recorded
2024(Avg.)
30AQI (US)

Castlegar's annual 2026 AQI (US) (33) shows an average percentage change of -6.9% (improved AQI (US)) compared to previous years: 2020 (35), 2021 (43), 2022 (34), 2023 (41), 2024 (30), 2025 (33).