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
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
27th Aug 2023
92AQILowest AQI recorded on
9th Aug 2023
6AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 24 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 1st Aug - 2nd Aug 2025
Courtenay, British Columbia, Canada
AQI
Day
Night
.
5 AM1st Aug 2025
9 PM
4 AM2nd Aug 2025
Day time
Avg. Highest Time
5AM1st Aug
26AQI
Avg. Lowest Time
11AM1st Aug
20AQI
Night time
Avg. Highest Time
3AM2nd Aug
31AQI
Avg. Lowest Time
11PM1st Aug
24AQI
In the last 24 hours,
Courtenay's AQI reached its highest point of 31 at 3 AM during the Night, while the lowest point, 20, was recorded at 11 AM during the Day between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Courtenay, 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 - 02nd02nd
Day
Night
3rd Jul 2025175 AMAQI
3rd Jul 2025176 AMAQI
3rd Jul 2025177 AMAQI
3rd Jul 2025178 AMAQI
3rd Jul 2025199 AMAQI
3rd Jul 20251910 AMAQI
3rd Jul 20252011 AMAQI
3rd Jul 20251912 PMAQI
3rd Jul 2025191 PMAQI
3rd Jul 2025202 PMAQI
3rd Jul 2025203 PMAQI
3rd Jul 2025194 PMAQI
3rd Jul 2025195 PMAQI
3rd Jul 2025186 PMAQI
3rd Jul 2025177 PMAQI
3rd Jul 2025178 PMAQI
3rd Jul 2025189 PMAQI
3rd Jul 20251810 PMAQI
3rd Jul 20251511 PMAQI
4th Jul 20251612 AMAQI
4th Jul 2025161 AMAQI
4th Jul 2025172 AMAQI
4th Jul 2025193 AMAQI
4th Jul 2025224 AMAQI
16°C13/18°C
4th Jul 2025205 AMAQI
4th Jul 2025186 AMAQI
4th Jul 2025187 AMAQI
4th Jul 2025188 AMAQI
4th Jul 2025199 AMAQI
4th Jul 20252110 AMAQI
4th Jul 20252011 AMAQI
4th Jul 20252012 PMAQI
4th Jul 2025221 PMAQI
4th Jul 2025212 PMAQI
4th Jul 2025223 PMAQI
4th Jul 2025224 PMAQI
4th Jul 2025215 PMAQI
4th Jul 2025226 PMAQI
4th Jul 2025237 PMAQI
4th Jul 2025218 PMAQI
4th Jul 2025209 PMAQI
4th Jul 20251910 PMAQI
4th Jul 20251811 PMAQI
5th Jul 20251812 AMAQI
5th Jul 2025201 AMAQI
5th Jul 2025192 AMAQI
5th Jul 2025213 AMAQI
5th Jul 2025254 AMAQI
16°C13/20°C
5th Jul 2025255 AMAQI
5th Jul 2025226 AMAQI
5th Jul 2025227 AMAQI
5th Jul 2025228 AMAQI
5th Jul 2025239 AMAQI
5th Jul 20252210 AMAQI
5th Jul 20252211 AMAQI
5th Jul 20252012 PMAQI
5th Jul 2025181 PMAQI
5th Jul 2025182 PMAQI
5th Jul 2025213 PMAQI
5th Jul 2025204 PMAQI
5th Jul 2025215 PMAQI
5th Jul 2025226 PMAQI
5th Jul 2025207 PMAQI
5th Jul 2025198 PMAQI
5th Jul 2025219 PMAQI
5th Jul 20251910 PMAQI
5th Jul 20251811 PMAQI
6th Jul 20251812 AMAQI
6th Jul 2025201 AMAQI
6th Jul 2025202 AMAQI
6th Jul 2025183 AMAQI
6th Jul 2025204 AMAQI
16°C15/19°C
6th Jul 2025205 AMAQI
6th Jul 2025206 AMAQI
6th Jul 2025237 AMAQI
6th Jul 2025248 AMAQI
6th Jul 2025239 AMAQI
6th Jul 20252310 AMAQI
6th Jul 20252211 AMAQI
6th Jul 20252112 PMAQI
6th Jul 2025221 PMAQI
6th Jul 2025202 PMAQI
6th Jul 2025223 PMAQI
6th Jul 2025224 PMAQI
6th Jul 2025225 PMAQI
6th Jul 2025226 PMAQI
6th Jul 2025227 PMAQI
6th Jul 2025228 PMAQI
6th Jul 2025219 PMAQI
6th Jul 20252010 PMAQI
6th Jul 20251911 PMAQI
7th Jul 20252112 AMAQI
7th Jul 2025191 AMAQI
7th Jul 2025202 AMAQI
7th Jul 2025213 AMAQI
7th Jul 2025204 AMAQI
18°C15/21°C
7th Jul 2025235 AMAQI
7th Jul 2025216 AMAQI
7th Jul 2025227 AMAQI
7th Jul 2025218 AMAQI
7th Jul 2025229 AMAQI
7th Jul 20252310 AMAQI
7th Jul 20252111 AMAQI
7th Jul 20252012 PMAQI
7th Jul 2025231 PMAQI
7th Jul 2025242 PMAQI
7th Jul 2025243 PMAQI
7th Jul 2025254 PMAQI
7th Jul 2025245 PMAQI
7th Jul 2025246 PMAQI
7th Jul 2025257 PMAQI
7th Jul 2025258 PMAQI
7th Jul 2025249 PMAQI
7th Jul 20252210 PMAQI
7th Jul 20251911 PMAQI
8th Jul 20251812 AMAQI
8th Jul 2025211 AMAQI
8th Jul 2025212 AMAQI
8th Jul 2025223 AMAQI
8th Jul 2025244 AMAQI
19°C16/22°C
8th Jul 2025235 AMAQI
8th Jul 2025216 AMAQI
8th Jul 2025217 AMAQI
8th Jul 2025208 AMAQI
8th Jul 2025189 AMAQI
8th Jul 20252110 AMAQI
8th Jul 20251811 AMAQI
8th Jul 20251812 PMAQI
8th Jul 2025181 PMAQI
8th Jul 2025232 PMAQI
8th Jul 2025243 PMAQI
8th Jul 2025204 PMAQI
8th Jul 2025215 PMAQI
8th Jul 2025196 PMAQI
8th Jul 2025187 PMAQI
8th Jul 2025188 PMAQI
8th Jul 2025189 PMAQI
8th Jul 20251810 PMAQI
8th Jul 20251811 PMAQI
9th Jul 20251712 AMAQI
9th Jul 2025181 AMAQI
9th Jul 2025162 AMAQI
9th Jul 2025163 AMAQI
9th Jul 2025144 AMAQI
18°C17/20°C
9th Jul 2025165 AMAQI
9th Jul 2025136 AMAQI
9th Jul 2025147 AMAQI
9th Jul 2025138 AMAQI
9th Jul 2025149 AMAQI
9th Jul 20251410 AMAQI
9th Jul 20251411 AMAQI
9th Jul 20251412 PMAQI
9th Jul 2025131 PMAQI
9th Jul 2025122 PMAQI
9th Jul 2025143 PMAQI
9th Jul 2025134 PMAQI
9th Jul 2025145 PMAQI
9th Jul 2025156 PMAQI
9th Jul 2025147 PMAQI
9th Jul 2025168 PMAQI
9th Jul 2025159 PMAQI
9th Jul 20251610 PMAQI
9th Jul 20251711 PMAQI
10th Jul 20251612 AMAQI
10th Jul 2025161 AMAQI
10th Jul 2025172 AMAQI
10th Jul 2025183 AMAQI
10th Jul 2025174 AMAQI
15°C13/17°C
10th Jul 2025165 AMAQI
10th Jul 2025156 AMAQI
10th Jul 2025187 AMAQI
10th Jul 2025188 AMAQI
10th Jul 2025179 AMAQI
10th Jul 20251810 AMAQI
10th Jul 20251811 AMAQI
10th Jul 20251812 PMAQI
10th Jul 2025211 PMAQI
10th Jul 2025222 PMAQI
10th Jul 2025213 PMAQI
10th Jul 2025214 PMAQI
10th Jul 2025205 PMAQI
10th Jul 2025196 PMAQI
10th Jul 2025187 PMAQI
10th Jul 2025198 PMAQI
10th Jul 2025189 PMAQI
10th Jul 20251710 PMAQI
10th Jul 20251511 PMAQI
11th Jul 20251512 AMAQI
11th Jul 2025171 AMAQI
11th Jul 2025192 AMAQI
11th Jul 2025223 AMAQI
11th Jul 2025244 AMAQI
17°C14/20°C
11th Jul 2025275 AMAQI
11th Jul 2025246 AMAQI
11th Jul 2025237 AMAQI
11th Jul 2025238 AMAQI
11th Jul 2025219 AMAQI
11th Jul 20251910 AMAQI
11th Jul 20251911 AMAQI
11th Jul 20251912 PMAQI
11th Jul 2025221 PMAQI
11th Jul 2025222 PMAQI
11th Jul 2025203 PMAQI
11th Jul 2025224 PMAQI
11th Jul 2025235 PMAQI
11th Jul 2025256 PMAQI
11th Jul 2025237 PMAQI
11th Jul 2025228 PMAQI
11th Jul 2025199 PMAQI
11th Jul 20252010 PMAQI
11th Jul 20251911 PMAQI
12th Jul 20251912 AMAQI
12th Jul 2025211 AMAQI
12th Jul 2025212 AMAQI
12th Jul 2025233 AMAQI
12th Jul 2025224 AMAQI
19°C16/21°C
12th Jul 2025225 AMAQI
12th Jul 2025206 AMAQI
12th Jul 2025197 AMAQI
12th Jul 2025198 AMAQI
12th Jul 2025189 AMAQI
12th Jul 20251810 AMAQI
12th Jul 20252011 AMAQI
12th Jul 20251812 PMAQI
12th Jul 2025181 PMAQI
12th Jul 2025172 PMAQI
12th Jul 2025163 PMAQI
12th Jul 2025174 PMAQI
12th Jul 2025185 PMAQI
12th Jul 2025186 PMAQI
12th Jul 2025197 PMAQI
12th Jul 2025208 PMAQI
12th Jul 2025199 PMAQI
12th Jul 20251910 PMAQI
12th Jul 20251911 PMAQI
13th Jul 20252112 AMAQI
13th Jul 2025201 AMAQI
13th Jul 2025212 AMAQI
13th Jul 2025193 AMAQI
13th Jul 2025194 AMAQI
21°C17/25°C
13th Jul 2025195 AMAQI
13th Jul 2025166 AMAQI
13th Jul 2025187 AMAQI
13th Jul 2025208 AMAQI
13th Jul 2025219 AMAQI
13th Jul 20251810 AMAQI
13th Jul 20251711 AMAQI
13th Jul 20251712 PMAQI
13th Jul 2025211 PMAQI
13th Jul 2025202 PMAQI
13th Jul 2025233 PMAQI
13th Jul 2025204 PMAQI
13th Jul 2025195 PMAQI
13th Jul 2025206 PMAQI
13th Jul 2025207 PMAQI
13th Jul 2025198 PMAQI
13th Jul 2025199 PMAQI
13th Jul 20251810 PMAQI
13th Jul 20251811 PMAQI
14th Jul 20251812 AMAQI
14th Jul 2025181 AMAQI
14th Jul 2025172 AMAQI
14th Jul 2025163 AMAQI
14th Jul 2025164 AMAQI
21°C18/24°C
14th Jul 2025165 AMAQI
14th Jul 2025156 AMAQI
14th Jul 2025167 AMAQI
14th Jul 2025178 AMAQI
14th Jul 2025169 AMAQI
14th Jul 20251610 AMAQI
14th Jul 20251611 AMAQI
14th Jul 20251512 PMAQI
14th Jul 2025161 PMAQI
14th Jul 2025162 PMAQI
14th Jul 2025143 PMAQI
14th Jul 2025174 PMAQI
14th Jul 2025145 PMAQI
14th Jul 2025166 PMAQI
14th Jul 2025187 PMAQI
14th Jul 2025168 PMAQI
14th Jul 2025169 PMAQI
14th Jul 20251710 PMAQI
14th Jul 20251811 PMAQI
15th Jul 20251912 AMAQI
15th Jul 2025221 AMAQI
15th Jul 2025202 AMAQI
15th Jul 2025213 AMAQI
15th Jul 2025214 AMAQI
19°C15/25°C
15th Jul 2025225 AMAQI
15th Jul 2025246 AMAQI
15th Jul 2025257 AMAQI
15th Jul 2025228 AMAQI
15th Jul 2025219 AMAQI
15th Jul 20252010 AMAQI
15th Jul 20252211 AMAQI
15th Jul 20252212 PMAQI
15th Jul 2025231 PMAQI
15th Jul 2025222 PMAQI
15th Jul 2025253 PMAQI
15th Jul 2025264 PMAQI
15th Jul 2025265 PMAQI
15th Jul 2025286 PMAQI
15th Jul 2025277 PMAQI
15th Jul 2025268 PMAQI
15th Jul 2025249 PMAQI
15th Jul 20252210 PMAQI
15th Jul 20252611 PMAQI
16th Jul 20252912 AMAQI
16th Jul 2025271 AMAQI
16th Jul 2025282 AMAQI
16th Jul 2025263 AMAQI
16th Jul 2025254 AMAQI
22°C18/27°C
16th Jul 2025315 AMAQI
16th Jul 2025366 AMAQI
16th Jul 2025377 AMAQI
16th Jul 2025348 AMAQI
16th Jul 2025319 AMAQI
16th Jul 20253310 AMAQI
16th Jul 20253411 AMAQI
16th Jul 20253512 PMAQI
16th Jul 2025341 PMAQI
16th Jul 2025342 PMAQI
16th Jul 2025343 PMAQI
16th Jul 2025354 PMAQI
16th Jul 2025425 PMAQI
16th Jul 2025386 PMAQI
16th Jul 2025397 PMAQI
16th Jul 2025348 PMAQI
16th Jul 2025349 PMAQI
16th Jul 20253410 PMAQI
16th Jul 20253311 PMAQI
17th Jul 20253212 AMAQI
17th Jul 2025321 AMAQI
17th Jul 2025322 AMAQI
17th Jul 2025313 AMAQI
17th Jul 2025314 AMAQI
20°C17/24°C
17th Jul 2025335 AMAQI
17th Jul 2025326 AMAQI
17th Jul 2025347 AMAQI
17th Jul 2025338 AMAQI
17th Jul 2025349 AMAQI
17th Jul 20253310 AMAQI
17th Jul 20253411 AMAQI
17th Jul 20253612 PMAQI
17th Jul 2025351 PMAQI
17th Jul 2025392 PMAQI
17th Jul 2025363 PMAQI
17th Jul 2025364 PMAQI
17th Jul 2025405 PMAQI
17th Jul 2025416 PMAQI
17th Jul 2025407 PMAQI
17th Jul 2025378 PMAQI
17th Jul 2025369 PMAQI
17th Jul 20253710 PMAQI
17th Jul 20253711 PMAQI
18th Jul 20253612 AMAQI
18th Jul 2025361 AMAQI
18th Jul 2025372 AMAQI
18th Jul 2025363 AMAQI
18th Jul 2025394 AMAQI
21°C17/26°C
18th Jul 2025425 AMAQI
18th Jul 2025406 AMAQI
18th Jul 2025347 AMAQI
18th Jul 2025348 AMAQI
18th Jul 2025379 AMAQI
18th Jul 20253610 AMAQI
18th Jul 20253711 AMAQI
18th Jul 20253612 PMAQI
18th Jul 2025361 PMAQI
18th Jul 2025362 PMAQI
18th Jul 2025363 PMAQI
18th Jul 2025354 PMAQI
18th Jul 2025345 PMAQI
18th Jul 2025356 PMAQI
18th Jul 2025367 PMAQI
18th Jul 2025368 PMAQI
18th Jul 2025349 PMAQI
18th Jul 20253110 PMAQI
18th Jul 20253611 PMAQI
19th Jul 20253712 AMAQI
19th Jul 2025341 AMAQI
19th Jul 2025342 AMAQI
19th Jul 2025343 AMAQI
19th Jul 2025334 AMAQI
17°C15/20°C
19th Jul 2025315 AMAQI
19th Jul 2025306 AMAQI
19th Jul 2025277 AMAQI
19th Jul 2025288 AMAQI
19th Jul 2025289 AMAQI
19th Jul 20252810 AMAQI
19th Jul 20252711 AMAQI
19th Jul 20252812 PMAQI
19th Jul 2025291 PMAQI
19th Jul 2025272 PMAQI
19th Jul 2025263 PMAQI
19th Jul 2025254 PMAQI
19th Jul 2025265 PMAQI
19th Jul 2025276 PMAQI
19th Jul 2025267 PMAQI
19th Jul 2025268 PMAQI
19th Jul 2025289 PMAQI
19th Jul 20252810 PMAQI
19th Jul 20252611 PMAQI
20th Jul 20252812 AMAQI
20th Jul 2025321 AMAQI
20th Jul 2025322 AMAQI
20th Jul 2025343 AMAQI
20th Jul 2025334 AMAQI
16°C13/18°C
20th Jul 2025295 AMAQI
20th Jul 2025266 AMAQI
20th Jul 2025257 AMAQI
20th Jul 2025298 AMAQI
20th Jul 2025299 AMAQI
20th Jul 20252510 AMAQI
20th Jul 20252411 AMAQI
20th Jul 20252212 PMAQI
20th Jul 2025241 PMAQI
20th Jul 2025252 PMAQI
20th Jul 2025273 PMAQI
20th Jul 2025304 PMAQI
20th Jul 2025295 PMAQI
20th Jul 2025296 PMAQI
20th Jul 2025317 PMAQI
20th Jul 2025318 PMAQI
20th Jul 2025299 PMAQI
20th Jul 20252810 PMAQI
20th Jul 20252611 PMAQI
21st Jul 20252812 AMAQI
21st Jul 2025271 AMAQI
21st Jul 2025272 AMAQI
21st Jul 2025273 AMAQI
21st Jul 2025284 AMAQI
17°C14/19°C
21st Jul 2025265 AMAQI
21st Jul 2025266 AMAQI
21st Jul 2025247 AMAQI
21st Jul 2025268 AMAQI
21st Jul 2025269 AMAQI
21st Jul 20252310 AMAQI
21st Jul 20252311 AMAQI
21st Jul 20252612 PMAQI
21st Jul 2025291 PMAQI
21st Jul 2025282 PMAQI
21st Jul 2025313 PMAQI
21st Jul 2025304 PMAQI
21st Jul 2025325 PMAQI
21st Jul 2025326 PMAQI
21st Jul 2025307 PMAQI
21st Jul 2025348 PMAQI
21st Jul 2025279 PMAQI
21st Jul 20252610 PMAQI
21st Jul 20252811 PMAQI
22nd Jul 20252812 AMAQI
22nd Jul 2025251 AMAQI
22nd Jul 2025252 AMAQI
22nd Jul 2025273 AMAQI
22nd Jul 2025274 AMAQI
19°C16/24°C
22nd Jul 2025275 AMAQI
22nd Jul 2025266 AMAQI
22nd Jul 2025247 AMAQI
22nd Jul 2025258 AMAQI
22nd Jul 2025249 AMAQI
22nd Jul 20252610 AMAQI
22nd Jul 20252811 AMAQI
22nd Jul 20252712 PMAQI
22nd Jul 2025281 PMAQI
22nd Jul 2025302 PMAQI
22nd Jul 2025283 PMAQI
22nd Jul 2025314 PMAQI
22nd Jul 2025305 PMAQI
22nd Jul 2025276 PMAQI
22nd Jul 2025277 PMAQI
22nd Jul 2025288 PMAQI
22nd Jul 2025269 PMAQI
22nd Jul 20252810 PMAQI
22nd Jul 20252711 PMAQI
23rd Jul 20252812 AMAQI
23rd Jul 2025261 AMAQI
23rd Jul 2025262 AMAQI
23rd Jul 2025273 AMAQI
23rd Jul 2025284 AMAQI
18°C16/19°C
23rd Jul 2025305 AMAQI
23rd Jul 2025276 AMAQI
23rd Jul 2025267 AMAQI
23rd Jul 2025248 AMAQI
23rd Jul 2025269 AMAQI
23rd Jul 20252710 AMAQI
23rd Jul 20252611 AMAQI
23rd Jul 20252412 PMAQI
23rd Jul 2025241 PMAQI
23rd Jul 2025242 PMAQI
23rd Jul 2025243 PMAQI
23rd Jul 2025264 PMAQI
23rd Jul 2025265 PMAQI
23rd Jul 2025296 PMAQI
23rd Jul 2025287 PMAQI
23rd Jul 2025308 PMAQI
23rd Jul 2025289 PMAQI
23rd Jul 20253010 PMAQI
23rd Jul 20252911 PMAQI
24th Jul 20252812 AMAQI
24th Jul 2025281 AMAQI
24th Jul 2025282 AMAQI
24th Jul 2025293 AMAQI
24th Jul 2025324 AMAQI
18°C16/20°C
24th Jul 2025305 AMAQI
24th Jul 2025326 AMAQI
24th Jul 2025317 AMAQI
24th Jul 2025318 AMAQI
24th Jul 2025339 AMAQI
24th Jul 20253010 AMAQI
24th Jul 20252911 AMAQI
24th Jul 20252812 PMAQI
24th Jul 2025241 PMAQI
24th Jul 2025262 PMAQI
24th Jul 2025273 PMAQI
24th Jul 2025284 PMAQI
24th Jul 2025295 PMAQI
24th Jul 2025286 PMAQI
24th Jul 2025277 PMAQI
24th Jul 2025288 PMAQI
24th Jul 2025269 PMAQI
24th Jul 20252510 PMAQI
24th Jul 20252511 PMAQI
25th Jul 20252412 AMAQI
25th Jul 2025241 AMAQI
25th Jul 2025212 AMAQI
25th Jul 2025203 AMAQI
25th Jul 2025234 AMAQI
17°C15/20°C
25th Jul 2025235 AMAQI
25th Jul 2025206 AMAQI
25th Jul 2025217 AMAQI
25th Jul 2025228 AMAQI
25th Jul 2025209 AMAQI
25th Jul 20251810 AMAQI
25th Jul 20251811 AMAQI
25th Jul 20251812 PMAQI
25th Jul 2025171 PMAQI
25th Jul 2025202 PMAQI
25th Jul 2025183 PMAQI
25th Jul 2025194 PMAQI
25th Jul 2025195 PMAQI
25th Jul 2025226 PMAQI
25th Jul 2025287 PMAQI
25th Jul 2025218 PMAQI
25th Jul 2025199 PMAQI
25th Jul 20252110 PMAQI
25th Jul 20252111 PMAQI
26th Jul 20251912 AMAQI
26th Jul 2025201 AMAQI
26th Jul 2025192 AMAQI
26th Jul 2025213 AMAQI
26th Jul 2025234 AMAQI
17°C14/19°C
26th Jul 2025245 AMAQI
26th Jul 2025226 AMAQI
26th Jul 2025257 AMAQI
26th Jul 2025258 AMAQI
26th Jul 2025259 AMAQI
26th Jul 20252210 AMAQI
26th Jul 20252311 AMAQI
26th Jul 20252212 PMAQI
26th Jul 2025261 PMAQI
26th Jul 2025292 PMAQI
26th Jul 2025283 PMAQI
26th Jul 2025274 PMAQI
26th Jul 2025265 PMAQI
26th Jul 2025266 PMAQI
26th Jul 2025267 PMAQI
26th Jul 2025268 PMAQI
26th Jul 2025239 PMAQI
26th Jul 20252410 PMAQI
26th Jul 20252211 PMAQI
27th Jul 20252312 AMAQI
27th Jul 2025241 AMAQI
27th Jul 2025252 AMAQI
27th Jul 2025253 AMAQI
27th Jul 2025284 AMAQI
16°C14/19°C
27th Jul 2025275 AMAQI
27th Jul 2025306 AMAQI
27th Jul 2025317 AMAQI
27th Jul 2025298 AMAQI
27th Jul 2025289 AMAQI
27th Jul 20252610 AMAQI
27th Jul 20252611 AMAQI
27th Jul 20252712 PMAQI
27th Jul 2025271 PMAQI
27th Jul 2025262 PMAQI
27th Jul 2025273 PMAQI
27th Jul 2025284 PMAQI
27th Jul 2025295 PMAQI
27th Jul 2025296 PMAQI
27th Jul 2025307 PMAQI
27th Jul 2025298 PMAQI
27th Jul 2025289 PMAQI
27th Jul 20252810 PMAQI
27th Jul 20252811 PMAQI
28th Jul 20252812 AMAQI
28th Jul 2025281 AMAQI
28th Jul 2025292 AMAQI
28th Jul 2025323 AMAQI
28th Jul 2025324 AMAQI
17°C14/19°C
28th Jul 2025325 AMAQI
28th Jul 2025316 AMAQI
28th Jul 2025317 AMAQI
28th Jul 2025318 AMAQI
28th Jul 2025309 AMAQI
28th Jul 20253010 AMAQI
28th Jul 20253011 AMAQI
28th Jul 20253212 PMAQI
28th Jul 2025311 PMAQI
28th Jul 2025322 PMAQI
28th Jul 2025323 PMAQI
28th Jul 2025314 PMAQI
28th Jul 2025315 PMAQI
28th Jul 2025306 PMAQI
28th Jul 2025327 PMAQI
28th Jul 2025338 PMAQI
28th Jul 2025309 PMAQI
28th Jul 20253010 PMAQI
28th Jul 20252811 PMAQI
29th Jul 20252812 AMAQI
29th Jul 2025291 AMAQI
29th Jul 2025302 AMAQI
29th Jul 2025383 AMAQI
29th Jul 2025384 AMAQI
18°C15/22°C
29th Jul 2025365 AMAQI
29th Jul 2025346 AMAQI
29th Jul 2025337 AMAQI
29th Jul 2025328 AMAQI
29th Jul 2025329 AMAQI
29th Jul 20253310 AMAQI
29th Jul 20253111 AMAQI
29th Jul 20253012 PMAQI
29th Jul 2025321 PMAQI
29th Jul 2025332 PMAQI
29th Jul 2025343 PMAQI
29th Jul 2025354 PMAQI
29th Jul 2025345 PMAQI
29th Jul 2025346 PMAQI
29th Jul 2025337 PMAQI
29th Jul 2025348 PMAQI
29th Jul 2025339 PMAQI
29th Jul 20253310 PMAQI
29th Jul 20253511 PMAQI
30th Jul 20253512 AMAQI
30th Jul 2025341 AMAQI
30th Jul 2025332 AMAQI
30th Jul 2025333 AMAQI
30th Jul 2025354 AMAQI
21°C17/25°C
30th Jul 2025345 AMAQI
30th Jul 2025356 AMAQI
30th Jul 2025337 AMAQI
30th Jul 2025348 AMAQI
30th Jul 2025349 AMAQI
30th Jul 20253410 AMAQI
30th Jul 20253211 AMAQI
30th Jul 20253612 PMAQI
30th Jul 2025361 PMAQI
30th Jul 2025362 PMAQI
30th Jul 2025363 PMAQI
30th Jul 2025394 PMAQI
30th Jul 2025415 PMAQI
30th Jul 2025416 PMAQI
30th Jul 2025417 PMAQI
30th Jul 2025418 PMAQI
30th Jul 2025419 PMAQI
30th Jul 20254110 PMAQI
30th Jul 20253411 PMAQI
31st Jul 20253312 AMAQI
31st Jul 2025331 AMAQI
31st Jul 2025322 AMAQI
31st Jul 2025323 AMAQI
31st Jul 2025324 AMAQI
22°C18/27°C
31st Jul 2025305 AMAQI
31st Jul 2025326 AMAQI
31st Jul 2025327 AMAQI
31st Jul 2025328 AMAQI
31st Jul 2025339 AMAQI
31st Jul 20253210 AMAQI
31st Jul 20252811 AMAQI
31st Jul 20252812 PMAQI
31st Jul 2025281 PMAQI
31st Jul 2025262 PMAQI
31st Jul 2025283 PMAQI
31st Jul 2025284 PMAQI
31st Jul 2025285 PMAQI
31st Jul 2025306 PMAQI
31st Jul 2025327 PMAQI
31st Jul 2025338 PMAQI
31st Jul 2025329 PMAQI
31st Jul 20252910 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20252812 AMAQI
1st Aug 2025241 AMAQI
1st Aug 2025252 AMAQI
1st Aug 2025263 AMAQI
1st Aug 2025264 AMAQI
21°C17/24°C
1st Aug 2025265 AMAQI
1st Aug 2025236 AMAQI
1st Aug 2025237 AMAQI
1st Aug 2025228 AMAQI
1st Aug 2025229 AMAQI
1st Aug 20252210 AMAQI
1st Aug 20252011 AMAQI
1st Aug 20252112 PMAQI
1st Aug 2025231 PMAQI
1st Aug 2025222 PMAQI
1st Aug 2025243 PMAQI
1st Aug 2025224 PMAQI
1st Aug 2025235 PMAQI
1st Aug 2025266 PMAQI
1st Aug 2025267 PMAQI
1st Aug 2025238 PMAQI
1st Aug 2025269 PMAQI
1st Aug 20252510 PMAQI
1st Aug 20252411 PMAQI
2nd Aug 20252512 AMAQI
2nd Aug 2025271 AMAQI
2nd Aug 2025262 AMAQI
2nd Aug 2025313 AMAQI
2nd Aug 2025314 AMAQI
20°C18/22°C
2nd Aug 2025305 AMAQI
5 AM2nd Aug 2025266 AMAQI
2nd Aug 2025237 AMAQI
2nd Aug 2025248 AMAQI
2nd Aug 2025239 AMAQI
2nd Aug 20252210 AMAQI
2nd Aug 20252011 AMAQI
2nd Aug 20252412 PMAQI
2nd Aug 2025211 PMAQI
1 PM2nd Aug 2025242 PMAQI
2nd Aug 2025243 PMAQI
2nd Aug 2025214 PMAQI
2nd Aug 2025205 PMAQI
9 PM
1 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 9 PM
25AQI
17 hours / Day
510 hours / Month
Avg. Lowest Time
5 AM - 9 PM
25AQI
17 hours / Day
510 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 9 PM (Avg. 25), while the lowest AQI was between 5 AM to 9 PM (Avg. 25).
Night time
Avg. Highest Time
12 AM - 11 PM
25AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
12 AM - 11 PM
25AQI
7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 25), while the lowest AQI was between 12 AM to 11 PM (Avg. 25).
2025 Days Vs Air Quality
Courtenay, British Columbia, Canada
2025
91%
194
9%
19
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
194 DaysModerate
19 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2025, 91% 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
Courtenay, British Columbia, 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
57AQI
57AQI
2nd January 2025
59AQI
59AQI
3rd January 2025
54AQI
54AQI
4th January 2025
49AQI
49AQI
5th January 2025
46AQI
46AQI
6th January 2025
42AQI
42AQI
7th January 2025
32AQI
32AQI
8th January 2025
56AQI
56AQI
9th January 2025
48AQI
48AQI
10th January 2025
54AQI
54AQI
11th January 2025
41AQI
41AQI
12th January 2025
53AQI
53AQI
13th January 2025
75AQI
75AQI
14th January 2025
62AQI
62AQI
15th January 2025
58AQI
58AQI
16th January 2025
36AQI
36AQI
17th January 2025
32AQI
32AQI
18th January 2025
46AQI
46AQI
19th January 2025
50AQI
50AQI
20th January 2025
55AQI
55AQI
21st January 2025
51AQI
51AQI
22nd January 2025
53AQI
53AQI
23rd January 2025
54AQI
54AQI
24th January 2025
42AQI
42AQI
25th January 2025
52AQI
52AQI
26th January 2025
53AQI
53AQI
27th January 2025
53AQI
53AQI
28th January 2025
49AQI
49AQI
29th January 2025
49AQI
49AQI
30th January 2025
54AQI
54AQI
31st January 2025
28AQI
28AQI
1st February 2025
30AQI
30AQI
2nd February 2025
33AQI
33AQI
3rd February 2025
24AQI
24AQI
4th February 2025
26AQI
26AQI
5th February 2025
40AQI
40AQI
6th February 2025
40AQI
40AQI
7th February 2025
43AQI
43AQI
8th February 2025
55AQI
55AQI
9th February 2025
49AQI
49AQI
10th February 2025
47AQI
47AQI
11th February 2025
41AQI
41AQI
12th February 2025
50AQI
50AQI
13th February 2025
50AQI
50AQI
14th February 2025
51AQI
51AQI
15th February 2025
28AQI
28AQI
16th February 2025
28AQI
28AQI
17th February 2025
37AQI
37AQI
18th February 2025
45AQI
45AQI
19th February 2025
21AQI
21AQI
20th February 2025
28AQI
28AQI
21st February 2025
20AQI
20AQI
22nd February 2025
24AQI
24AQI
23rd February 2025
21AQI
21AQI
24th February 2025
23AQI
23AQI
25th February 2025
20AQI
20AQI
26th February 2025
24AQI
24AQI
27th February 2025
28AQI
28AQI
28th February 2025
28AQI
28AQI
1st March 2025
38AQI
38AQI
2nd March 2025
35AQI
35AQI
3rd March 2025
28AQI
28AQI
4th March 2025
24AQI
24AQI
5th March 2025
25AQI
25AQI
6th March 2025
30AQI
30AQI
7th March 2025
35AQI
35AQI
8th March 2025
21AQI
21AQI
9th March 2025
36AQI
36AQI
10th March 2025
39AQI
39AQI
11th March 2025
43AQI
43AQI
12th March 2025
27AQI
27AQI
13th March 2025
28AQI
28AQI
14th March 2025
31AQI
31AQI
15th March 2025
25AQI
25AQI
16th March 2025
27AQI
27AQI
17th March 2025
26AQI
26AQI
18th March 2025
31AQI
31AQI
19th March 2025
24AQI
24AQI
20th March 2025
23AQI
23AQI
21st March 2025
21AQI
21AQI
22nd March 2025
21AQI
21AQI
23rd March 2025
19AQI
19AQI
24th March 2025
25AQI
25AQI
25th March 2025
22AQI
22AQI
26th March 2025
20AQI
20AQI
27th March 2025
18AQI
18AQI
28th March 2025
19AQI
19AQI
29th March 2025
18AQI
18AQI
30th March 2025
29AQI
29AQI
31st March 2025
22AQI
22AQI
1st April 2025
22AQI
22AQI
2nd April 2025
25AQI
25AQI
3rd April 2025
28AQI
28AQI
4th April 2025
32AQI
32AQI
5th April 2025
38AQI
38AQI
6th April 2025
29AQI
29AQI
7th April 2025
16AQI
16AQI
8th April 2025
14AQI
14AQI
9th April 2025
19AQI
19AQI
10th April 2025
21AQI
21AQI
11th April 2025
19AQI
19AQI
12th April 2025
23AQI
23AQI
13th April 2025
24AQI
24AQI
14th April 2025
27AQI
27AQI
15th April 2025
19AQI
19AQI
16th April 2025
22AQI
22AQI
17th April 2025
19AQI
19AQI
18th April 2025
23AQI
23AQI
19th April 2025
19AQI
19AQI
20th April 2025
19AQI
19AQI
21st April 2025
18AQI
18AQI
22nd April 2025
23AQI
23AQI
23rd April 2025
21AQI
21AQI
24th April 2025
28AQI
28AQI
25th April 2025
35AQI
35AQI
26th April 2025
27AQI
27AQI
27th April 2025
27AQI
27AQI
28th April 2025
22AQI
22AQI
29th April 2025
20AQI
20AQI
30th April 2025
20AQI
20AQI
1st May 2025
28AQI
28AQI
2nd May 2025
30AQI
30AQI
3rd May 2025
17AQI
17AQI
4th May 2025
18AQI
18AQI
5th May 2025
21AQI
21AQI
6th May 2025
24AQI
24AQI
7th May 2025
22AQI
22AQI
8th May 2025
18AQI
18AQI
9th May 2025
22AQI
22AQI
10th May 2025
24AQI
24AQI
11th May 2025
19AQI
19AQI
12th May 2025
18AQI
18AQI
13th May 2025
23AQI
23AQI
14th May 2025
20AQI
20AQI
15th May 2025
22AQI
22AQI
16th May 2025
15AQI
15AQI
17th May 2025
16AQI
16AQI
18th May 2025
14AQI
14AQI
19th May 2025
16AQI
16AQI
20th May 2025
12AQI
12AQI
21st May 2025
15AQI
15AQI
22nd May 2025
17AQI
17AQI
23rd May 2025
16AQI
16AQI
24th May 2025
18AQI
18AQI
25th May 2025
20AQI
20AQI
26th May 2025
18AQI
18AQI
27th May 2025
16AQI
16AQI
28th May 2025
21AQI
21AQI
29th May 2025
16AQI
16AQI
30th May 2025
18AQI
18AQI
31st May 2025
18AQI
18AQI
1st June 2025
17AQI
17AQI
2nd June 2025
21AQI
21AQI
3rd June 2025
18AQI
18AQI
4th June 2025
16AQI
16AQI
5th June 2025
17AQI
17AQI
6th June 2025
15AQI
15AQI
7th June 2025
17AQI
17AQI
8th June 2025
19AQI
19AQI
9th June 2025
19AQI
19AQI
10th June 2025
25AQI
25AQI
11th June 2025
28AQI
28AQI
12th June 2025
30AQI
30AQI
13th June 2025
24AQI
24AQI
14th June 2025
20AQI
20AQI
15th June 2025
21AQI
21AQI
16th June 2025
20AQI
20AQI
17th June 2025
20AQI
20AQI
18th June 2025
17AQI
17AQI
19th June 2025
17AQI
17AQI
20th June 2025
19AQI
19AQI
21st June 2025
19AQI
19AQI
22nd June 2025
19AQI
19AQI
23rd June 2025
21AQI
21AQI
24th June 2025
28AQI
28AQI
25th June 2025
30AQI
30AQI
26th June 2025
20AQI
20AQI
27th June 2025
16AQI
16AQI
28th June 2025
14AQI
14AQI
29th June 2025
20AQI
20AQI
30th June 2025
22AQI
22AQI
1st July 2025
22AQI
22AQI
2nd July 2025
18AQI
18AQI
3rd July 2025
18AQI
18AQI
4th July 2025
19AQI
19AQI
5th July 2025
20AQI
20AQI
6th July 2025
21AQI
21AQI
7th July 2025
22AQI
22AQI
8th July 2025
20AQI
20AQI
9th July 2025
15AQI
15AQI
10th July 2025
18AQI
18AQI
11th July 2025
20AQI
20AQI
12th July 2025
19AQI
19AQI
13th July 2025
19AQI
19AQI
14th July 2025
17AQI
17AQI
15th July 2025
23AQI
23AQI
16th July 2025
32AQI
32AQI
17th July 2025
35AQI
35AQI
18th July 2025
36AQI
36AQI
19th July 2025
30AQI
30AQI
20th July 2025
28AQI
28AQI
21st July 2025
28AQI
28AQI
22nd July 2025
27AQI
27AQI
23rd July 2025
27AQI
27AQI
24th July 2025
28AQI
28AQI
25th July 2025
21AQI
21AQI
26th July 2025
23AQI
23AQI
27th July 2025
27AQI
27AQI
28th July 2025
30AQI
30AQI
29th July 2025
33AQI
33AQI
30th July 2025
36AQI
36AQI
31st July 2025
31AQI
31AQI
1st August 2025
24AQI
24AQI
50AQI
34AQI
27AQI
23AQI
19AQI
20AQI
25AQI
24AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202528AQI
14
17
26
2
31
30
31
30
31
1
194
19
Highest AQI recorded in
January50AQI
Lowest AQI recorded in
May19AQI
202424AQI
24
7
27
1
31
30
31
28
31
31
30
31
27
3
20
11
341
22
Highest AQI recorded in
December47AQI
Lowest AQI recorded in
June14AQI
202326AQI
29
2
28
29
2
30
30
1
30
31
27
4
30
27
4
25
4
31
347
17
Highest AQI recorded in
November34AQI
Lowest AQI recorded in
July16AQI
202229AQI
18
4
15
7
29
1
17
31
30
20
2
26
3
27
4
21
9
22
9
258
37
Highest AQI recorded in
February43AQI
Lowest AQI recorded in
June16AQI
202129AQI
17
13
23
5
25
5
30
31
28
2
31
28
2
30
29
2
26
4
21
10
319
43
Highest AQI recorded in
December42AQI
Lowest AQI recorded in
May17AQI
202031AQI
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 recorded in
September57AQI
Lowest AQI recorded in
June11AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
31AQILeast Polluted Year Recorded
2024(Avg.)
24AQICourtenay's annual 2025 AQI (28) shows an average percentage change of 2.5% (worsened AQI) compared to previous years: 2020 (31), 2021 (29), 2022 (29), 2023 (26), 2024 (24).
