Duncan, 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
Duncan, British Columbia, Canada
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
20th Aug 2023
85AQILowest AQI recorded on
19th Aug 2024
9AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 23 of Good air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Duncan, British Columbia, Canada
AQI
Day
Night
.
5 AM2nd Aug 2025
9 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
5AM2nd Aug
21AQI
Avg. Lowest Time
4PM2nd Aug
15AQI
Night time
Avg. Highest Time
4AM3rd Aug
21AQI
Avg. Lowest Time
10PM2nd Aug
17AQI
In the last 24 hours,
Duncan's AQI reached its highest point of 21 at 5 AM during the Day, while the lowest point, 15, was recorded at 4 PM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Duncan, British Columbia, Canada
JulAug
04th - 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 - 03rd03rd
Day
Night
4th Jul 2025205 AMAQI
4th Jul 2025206 AMAQI
4th Jul 2025187 AMAQI
4th Jul 2025198 AMAQI
4th Jul 2025199 AMAQI
4th Jul 20251810 AMAQI
4th Jul 20251811 AMAQI
4th Jul 20251912 PMAQI
4th Jul 2025191 PMAQI
4th Jul 2025192 PMAQI
4th Jul 2025193 PMAQI
4th Jul 2025204 PMAQI
4th Jul 2025215 PMAQI
4th Jul 2025206 PMAQI
4th Jul 2025207 PMAQI
4th Jul 2025208 PMAQI
4th Jul 2025189 PMAQI
4th Jul 20251910 PMAQI
4th Jul 20251911 PMAQI
5th Jul 20251912 AMAQI
5th Jul 2025201 AMAQI
5th Jul 2025192 AMAQI
5th Jul 2025193 AMAQI
5th Jul 2025214 AMAQI
15°C12/18°C
5th Jul 2025215 AMAQI
5th Jul 2025176 AMAQI
5th Jul 2025177 AMAQI
5th Jul 2025198 AMAQI
5th Jul 2025209 AMAQI
5th Jul 20252010 AMAQI
5th Jul 20251811 AMAQI
5th Jul 20251812 PMAQI
5th Jul 2025171 PMAQI
5th Jul 2025182 PMAQI
5th Jul 2025173 PMAQI
5th Jul 2025184 PMAQI
5th Jul 2025215 PMAQI
5th Jul 2025206 PMAQI
5th Jul 2025207 PMAQI
5th Jul 2025188 PMAQI
5th Jul 2025189 PMAQI
5th Jul 20251710 PMAQI
5th Jul 20251811 PMAQI
6th Jul 20251712 AMAQI
6th Jul 2025181 AMAQI
6th Jul 2025172 AMAQI
6th Jul 2025173 AMAQI
6th Jul 2025194 AMAQI
15°C12/17°C
6th Jul 2025185 AMAQI
6th Jul 2025186 AMAQI
6th Jul 2025177 AMAQI
6th Jul 2025198 AMAQI
6th Jul 2025209 AMAQI
6th Jul 20251910 AMAQI
6th Jul 20251911 AMAQI
6th Jul 20251912 PMAQI
6th Jul 2025191 PMAQI
6th Jul 2025182 PMAQI
6th Jul 2025193 PMAQI
6th Jul 2025204 PMAQI
6th Jul 2025225 PMAQI
6th Jul 2025206 PMAQI
6th Jul 2025217 PMAQI
6th Jul 2025218 PMAQI
6th Jul 2025199 PMAQI
6th Jul 20251810 PMAQI
6th Jul 20251811 PMAQI
7th Jul 20251912 AMAQI
7th Jul 2025181 AMAQI
7th Jul 2025182 AMAQI
7th Jul 2025183 AMAQI
7th Jul 2025184 AMAQI
16°C14/18°C
7th Jul 2025185 AMAQI
7th Jul 2025186 AMAQI
7th Jul 2025207 AMAQI
7th Jul 2025208 AMAQI
7th Jul 2025209 AMAQI
7th Jul 20252010 AMAQI
7th Jul 20251911 AMAQI
7th Jul 20252412 PMAQI
7th Jul 2025241 PMAQI
7th Jul 2025242 PMAQI
7th Jul 2025233 PMAQI
7th Jul 2025234 PMAQI
7th Jul 2025215 PMAQI
7th Jul 2025226 PMAQI
7th Jul 2025217 PMAQI
7th Jul 2025198 PMAQI
7th Jul 2025229 PMAQI
7th Jul 20252210 PMAQI
7th Jul 20252211 PMAQI
8th Jul 20252212 AMAQI
8th Jul 2025231 AMAQI
8th Jul 2025232 AMAQI
8th Jul 2025223 AMAQI
8th Jul 2025244 AMAQI
18°C14/22°C
8th Jul 2025225 AMAQI
8th Jul 2025216 AMAQI
8th Jul 2025237 AMAQI
8th Jul 2025218 AMAQI
8th Jul 2025199 AMAQI
8th Jul 20251810 AMAQI
8th Jul 20251811 AMAQI
8th Jul 20252012 PMAQI
8th Jul 2025201 PMAQI
8th Jul 2025182 PMAQI
8th Jul 2025173 PMAQI
8th Jul 2025184 PMAQI
8th Jul 2025185 PMAQI
8th Jul 2025186 PMAQI
8th Jul 2025187 PMAQI
8th Jul 2025188 PMAQI
8th Jul 2025189 PMAQI
8th Jul 20251610 PMAQI
8th Jul 20251611 PMAQI
9th Jul 20251712 AMAQI
9th Jul 2025171 AMAQI
9th Jul 2025172 AMAQI
9th Jul 2025163 AMAQI
9th Jul 2025144 AMAQI
18°C15/22°C
9th Jul 2025155 AMAQI
9th Jul 2025136 AMAQI
9th Jul 2025137 AMAQI
9th Jul 2025158 AMAQI
9th Jul 2025169 AMAQI
9th Jul 20251410 AMAQI
9th Jul 20251411 AMAQI
9th Jul 20251412 PMAQI
9th Jul 2025141 PMAQI
9th Jul 2025132 PMAQI
9th Jul 2025153 PMAQI
9th Jul 2025144 PMAQI
9th Jul 2025145 PMAQI
9th Jul 2025166 PMAQI
9th Jul 2025157 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 2025163 AMAQI
10th Jul 2025184 AMAQI
17°C15/22°C
10th Jul 2025175 AMAQI
10th Jul 2025176 AMAQI
10th Jul 2025187 AMAQI
10th Jul 2025188 AMAQI
10th Jul 2025169 AMAQI
10th Jul 20251610 AMAQI
10th Jul 20251711 AMAQI
10th Jul 20251812 PMAQI
10th Jul 2025191 PMAQI
10th Jul 2025192 PMAQI
10th Jul 2025193 PMAQI
10th Jul 2025194 PMAQI
10th Jul 2025195 PMAQI
10th Jul 2025196 PMAQI
10th Jul 2025197 PMAQI
10th Jul 2025198 PMAQI
10th Jul 2025189 PMAQI
10th Jul 20251810 PMAQI
10th Jul 20251911 PMAQI
11th Jul 20252012 AMAQI
11th Jul 2025201 AMAQI
11th Jul 2025202 AMAQI
11th Jul 2025213 AMAQI
11th Jul 2025214 AMAQI
16°C14/18°C
11th Jul 2025245 AMAQI
11th Jul 2025246 AMAQI
11th Jul 2025237 AMAQI
11th Jul 2025248 AMAQI
11th Jul 2025209 AMAQI
11th Jul 20251910 AMAQI
11th Jul 20251711 AMAQI
11th Jul 20251812 PMAQI
11th Jul 2025201 PMAQI
11th Jul 2025202 PMAQI
11th Jul 2025203 PMAQI
11th Jul 2025204 PMAQI
11th Jul 2025215 PMAQI
11th Jul 2025216 PMAQI
11th Jul 2025217 PMAQI
11th Jul 2025208 PMAQI
11th Jul 2025209 PMAQI
11th Jul 20252010 PMAQI
11th Jul 20251911 PMAQI
12th Jul 20251912 AMAQI
12th Jul 2025191 AMAQI
12th Jul 2025192 AMAQI
12th Jul 2025193 AMAQI
12th Jul 2025224 AMAQI
18°C14/22°C
12th Jul 2025175 AMAQI
12th Jul 2025176 AMAQI
12th Jul 2025167 AMAQI
12th Jul 2025158 AMAQI
12th Jul 2025179 AMAQI
12th Jul 20252310 AMAQI
12th Jul 20251811 AMAQI
12th Jul 20251712 PMAQI
12th Jul 2025161 PMAQI
12th Jul 2025162 PMAQI
12th Jul 2025163 PMAQI
12th Jul 2025184 PMAQI
12th Jul 2025195 PMAQI
12th Jul 2025196 PMAQI
12th Jul 2025187 PMAQI
12th Jul 2025188 PMAQI
12th Jul 2025189 PMAQI
12th Jul 20251810 PMAQI
12th Jul 20251811 PMAQI
13th Jul 20252012 AMAQI
13th Jul 2025211 AMAQI
13th Jul 2025202 AMAQI
13th Jul 2025223 AMAQI
13th Jul 2025244 AMAQI
19°C16/23°C
13th Jul 2025255 AMAQI
13th Jul 2025256 AMAQI
13th Jul 2025257 AMAQI
13th Jul 2025268 AMAQI
13th Jul 2025279 AMAQI
13th Jul 20252410 AMAQI
13th Jul 20252311 AMAQI
13th Jul 20252512 PMAQI
13th Jul 2025241 PMAQI
13th Jul 2025242 PMAQI
13th Jul 2025233 PMAQI
13th Jul 2025214 PMAQI
13th Jul 2025205 PMAQI
13th Jul 2025216 PMAQI
13th Jul 2025197 PMAQI
13th Jul 2025198 PMAQI
13th Jul 2025219 PMAQI
13th Jul 20252310 PMAQI
13th Jul 20252011 PMAQI
14th Jul 20252112 AMAQI
14th Jul 2025221 AMAQI
14th Jul 2025242 AMAQI
14th Jul 2025253 AMAQI
14th Jul 2025274 AMAQI
20°C17/23°C
14th Jul 2025235 AMAQI
14th Jul 2025256 AMAQI
14th Jul 2025287 AMAQI
14th Jul 2025278 AMAQI
14th Jul 2025199 AMAQI
14th Jul 20251610 AMAQI
14th Jul 20251611 AMAQI
14th Jul 20251612 PMAQI
14th Jul 2025171 PMAQI
14th Jul 2025172 PMAQI
14th Jul 2025163 PMAQI
14th Jul 2025184 PMAQI
14th Jul 2025185 PMAQI
14th Jul 2025186 PMAQI
14th Jul 2025177 PMAQI
14th Jul 2025188 PMAQI
14th Jul 2025189 PMAQI
14th Jul 20252010 PMAQI
14th Jul 20251911 PMAQI
15th Jul 20252012 AMAQI
15th Jul 2025201 AMAQI
15th Jul 2025222 AMAQI
15th Jul 2025223 AMAQI
15th Jul 2025234 AMAQI
17°C15/17°C
15th Jul 2025235 AMAQI
15th Jul 2025266 AMAQI
15th Jul 2025247 AMAQI
15th Jul 2025248 AMAQI
15th Jul 2025219 AMAQI
15th Jul 20251910 AMAQI
15th Jul 20251911 AMAQI
15th Jul 20252012 PMAQI
15th Jul 2025231 PMAQI
15th Jul 2025262 PMAQI
15th Jul 2025263 PMAQI
15th Jul 2025284 PMAQI
15th Jul 2025285 PMAQI
15th Jul 2025306 PMAQI
15th Jul 2025307 PMAQI
15th Jul 2025298 PMAQI
15th Jul 2025259 PMAQI
15th Jul 20252510 PMAQI
15th Jul 20252911 PMAQI
16th Jul 20253012 AMAQI
16th Jul 2025291 AMAQI
16th Jul 2025302 AMAQI
16th Jul 2025303 AMAQI
16th Jul 2025324 AMAQI
20°C17/25°C
16th Jul 2025355 AMAQI
16th Jul 2025356 AMAQI
16th Jul 2025347 AMAQI
16th Jul 2025328 AMAQI
16th Jul 2025319 AMAQI
16th Jul 20253410 AMAQI
16th Jul 20253611 AMAQI
16th Jul 20253512 PMAQI
16th Jul 2025371 PMAQI
16th Jul 2025352 PMAQI
16th Jul 2025403 PMAQI
16th Jul 2025424 PMAQI
16th Jul 2025485 PMAQI
16th Jul 2025416 PMAQI
16th Jul 2025407 PMAQI
16th Jul 2025388 PMAQI
16th Jul 2025389 PMAQI
16th Jul 20254010 PMAQI
16th Jul 20254111 PMAQI
17th Jul 20253812 AMAQI
17th Jul 2025381 AMAQI
17th Jul 2025362 AMAQI
17th Jul 2025383 AMAQI
17th Jul 2025374 AMAQI
20°C17/23°C
17th Jul 2025385 AMAQI
17th Jul 2025376 AMAQI
17th Jul 2025357 AMAQI
17th Jul 2025368 AMAQI
17th Jul 2025379 AMAQI
17th Jul 20253810 AMAQI
17th Jul 20253711 AMAQI
17th Jul 20254012 PMAQI
17th Jul 2025361 PMAQI
17th Jul 2025422 PMAQI
17th Jul 2025443 PMAQI
17th Jul 2025434 PMAQI
17th Jul 2025425 PMAQI
17th Jul 2025426 PMAQI
17th Jul 2025427 PMAQI
17th Jul 2025408 PMAQI
17th Jul 2025399 PMAQI
17th Jul 20253910 PMAQI
17th Jul 20254111 PMAQI
18th Jul 20253812 AMAQI
18th Jul 2025401 AMAQI
18th Jul 2025402 AMAQI
18th Jul 2025403 AMAQI
18th Jul 2025414 AMAQI
19°C17/23°C
18th Jul 2025445 AMAQI
18th Jul 2025426 AMAQI
18th Jul 2025367 AMAQI
18th Jul 2025368 AMAQI
18th Jul 2025359 AMAQI
18th Jul 20253510 AMAQI
18th Jul 20253511 AMAQI
18th Jul 20253612 PMAQI
18th Jul 2025361 PMAQI
18th Jul 2025372 PMAQI
18th Jul 2025373 PMAQI
18th Jul 2025364 PMAQI
18th Jul 2025345 PMAQI
18th Jul 2025366 PMAQI
18th Jul 2025377 PMAQI
18th Jul 2025378 PMAQI
18th Jul 2025379 PMAQI
18th Jul 20253710 PMAQI
18th Jul 20253311 PMAQI
19th Jul 20253412 AMAQI
19th Jul 2025331 AMAQI
19th Jul 2025342 AMAQI
19th Jul 2025293 AMAQI
19th Jul 2025294 AMAQI
17°C15/17°C
19th Jul 2025275 AMAQI
19th Jul 2025226 AMAQI
19th Jul 2025197 AMAQI
19th Jul 2025198 AMAQI
19th Jul 2025219 AMAQI
19th Jul 20252010 AMAQI
19th Jul 20251911 AMAQI
19th Jul 20251912 PMAQI
19th Jul 2025191 PMAQI
19th Jul 2025202 PMAQI
19th Jul 2025203 PMAQI
19th Jul 2025224 PMAQI
19th Jul 2025245 PMAQI
19th Jul 2025246 PMAQI
19th Jul 2025267 PMAQI
19th Jul 2025278 PMAQI
19th Jul 2025279 PMAQI
19th Jul 20252510 PMAQI
19th Jul 20252811 PMAQI
20th Jul 20252712 AMAQI
20th Jul 2025271 AMAQI
20th Jul 2025262 AMAQI
20th Jul 2025263 AMAQI
20th Jul 2025254 AMAQI
15°C14/16°C
20th Jul 2025215 AMAQI
20th Jul 2025186 AMAQI
20th Jul 2025187 AMAQI
20th Jul 2025188 AMAQI
20th Jul 2025189 AMAQI
20th Jul 20251710 AMAQI
20th Jul 20251811 AMAQI
20th Jul 20251812 PMAQI
20th Jul 2025191 PMAQI
20th Jul 2025202 PMAQI
20th Jul 2025213 PMAQI
20th Jul 2025254 PMAQI
20th Jul 2025245 PMAQI
20th Jul 2025246 PMAQI
20th Jul 2025267 PMAQI
20th Jul 2025268 PMAQI
20th Jul 2025239 PMAQI
20th Jul 20252310 PMAQI
20th Jul 20252311 PMAQI
21st Jul 20252412 AMAQI
21st Jul 2025231 AMAQI
21st Jul 2025242 AMAQI
21st Jul 2025253 AMAQI
21st Jul 2025274 AMAQI
15°C14/19°C
21st Jul 2025255 AMAQI
21st Jul 2025246 AMAQI
21st Jul 2025257 AMAQI
21st Jul 2025268 AMAQI
21st Jul 2025269 AMAQI
21st Jul 20252510 AMAQI
21st Jul 20252311 AMAQI
21st Jul 20252412 PMAQI
21st Jul 2025271 PMAQI
21st Jul 2025282 PMAQI
21st Jul 2025303 PMAQI
21st Jul 2025294 PMAQI
21st Jul 2025315 PMAQI
21st Jul 2025326 PMAQI
21st Jul 2025337 PMAQI
21st Jul 2025328 PMAQI
21st Jul 2025269 PMAQI
21st Jul 20252610 PMAQI
21st Jul 20252911 PMAQI
22nd Jul 20252912 AMAQI
22nd Jul 2025281 AMAQI
22nd Jul 2025282 AMAQI
22nd Jul 2025273 AMAQI
22nd Jul 2025254 AMAQI
17°C14/21°C
22nd Jul 2025415 AMAQI
22nd Jul 2025286 AMAQI
22nd Jul 2025217 AMAQI
22nd Jul 2025208 AMAQI
22nd Jul 2025209 AMAQI
22nd Jul 20252010 AMAQI
22nd Jul 20252111 AMAQI
22nd Jul 20252012 PMAQI
22nd Jul 2025211 PMAQI
22nd Jul 2025272 PMAQI
22nd Jul 2025323 PMAQI
22nd Jul 2025304 PMAQI
22nd Jul 2025285 PMAQI
22nd Jul 2025266 PMAQI
22nd Jul 2025247 PMAQI
22nd Jul 2025228 PMAQI
22nd Jul 2025239 PMAQI
22nd Jul 20252210 PMAQI
22nd Jul 20252011 PMAQI
23rd Jul 20252012 AMAQI
23rd Jul 2025221 AMAQI
23rd Jul 2025222 AMAQI
23rd Jul 2025213 AMAQI
23rd Jul 2025204 AMAQI
16°C15/17°C
23rd Jul 2025225 AMAQI
23rd Jul 2025206 AMAQI
23rd Jul 2025197 AMAQI
23rd Jul 2025208 AMAQI
23rd Jul 2025209 AMAQI
23rd Jul 20252210 AMAQI
23rd Jul 20252011 AMAQI
23rd Jul 20251912 PMAQI
23rd Jul 2025191 PMAQI
23rd Jul 2025202 PMAQI
23rd Jul 2025213 PMAQI
23rd Jul 2025244 PMAQI
23rd Jul 2025245 PMAQI
23rd Jul 2025246 PMAQI
23rd Jul 2025237 PMAQI
23rd Jul 2025268 PMAQI
23rd Jul 2025249 PMAQI
23rd Jul 20252410 PMAQI
23rd Jul 20252711 PMAQI
24th Jul 20252812 AMAQI
24th Jul 2025271 AMAQI
24th Jul 2025272 AMAQI
24th Jul 2025293 AMAQI
24th Jul 2025304 AMAQI
17°C14/21°C
24th Jul 2025285 AMAQI
24th Jul 2025286 AMAQI
24th Jul 2025227 AMAQI
24th Jul 2025248 AMAQI
24th Jul 2025249 AMAQI
24th Jul 20252410 AMAQI
24th Jul 20252211 AMAQI
24th Jul 20252112 PMAQI
24th Jul 2025191 PMAQI
24th Jul 2025222 PMAQI
24th Jul 2025263 PMAQI
24th Jul 2025264 PMAQI
24th Jul 2025275 PMAQI
24th Jul 2025266 PMAQI
24th Jul 2025257 PMAQI
24th Jul 2025258 PMAQI
24th Jul 2025259 PMAQI
24th Jul 20252410 PMAQI
24th Jul 20252311 PMAQI
25th Jul 20252112 AMAQI
25th Jul 2025201 AMAQI
25th Jul 2025192 AMAQI
25th Jul 2025173 AMAQI
25th Jul 2025184 AMAQI
17°C15/21°C
25th Jul 2025175 AMAQI
25th Jul 2025146 AMAQI
25th Jul 2025147 AMAQI
25th Jul 2025148 AMAQI
25th Jul 2025159 AMAQI
25th Jul 20251510 AMAQI
25th Jul 20251511 AMAQI
25th Jul 20251512 PMAQI
25th Jul 2025151 PMAQI
25th Jul 2025152 PMAQI
25th Jul 2025163 PMAQI
25th Jul 2025164 PMAQI
25th Jul 2025165 PMAQI
25th Jul 2025176 PMAQI
25th Jul 2025177 PMAQI
25th Jul 2025218 PMAQI
25th Jul 2025169 PMAQI
25th Jul 20251710 PMAQI
25th Jul 20251811 PMAQI
26th Jul 20251912 AMAQI
26th Jul 2025201 AMAQI
26th Jul 2025192 AMAQI
26th Jul 2025193 AMAQI
26th Jul 2025194 AMAQI
15°C13/17°C
26th Jul 2025205 AMAQI
26th Jul 2025186 AMAQI
26th Jul 2025197 AMAQI
26th Jul 2025208 AMAQI
26th Jul 2025199 AMAQI
26th Jul 20251810 AMAQI
26th Jul 20251811 AMAQI
26th Jul 20251812 PMAQI
26th Jul 2025211 PMAQI
26th Jul 2025242 PMAQI
26th Jul 2025253 PMAQI
26th Jul 2025244 PMAQI
26th Jul 2025255 PMAQI
26th Jul 2025246 PMAQI
26th Jul 2025277 PMAQI
26th Jul 2025288 PMAQI
26th Jul 2025239 PMAQI
26th Jul 20252110 PMAQI
26th Jul 20252411 PMAQI
27th Jul 20252512 AMAQI
27th Jul 2025261 AMAQI
27th Jul 2025262 AMAQI
27th Jul 2025253 AMAQI
27th Jul 2025254 AMAQI
15°C14/17°C
27th Jul 2025245 AMAQI
27th Jul 2025246 AMAQI
27th Jul 2025257 AMAQI
27th Jul 2025268 AMAQI
27th Jul 2025259 AMAQI
27th Jul 20252410 AMAQI
27th Jul 20252411 AMAQI
27th Jul 20252312 PMAQI
27th Jul 2025241 PMAQI
27th Jul 2025252 PMAQI
27th Jul 2025273 PMAQI
27th Jul 2025294 PMAQI
27th Jul 2025305 PMAQI
27th Jul 2025296 PMAQI
27th Jul 2025307 PMAQI
27th Jul 2025298 PMAQI
27th Jul 2025299 PMAQI
27th Jul 20252810 PMAQI
27th Jul 20253011 PMAQI
28th Jul 20253012 AMAQI
28th Jul 2025301 AMAQI
28th Jul 2025302 AMAQI
28th Jul 2025303 AMAQI
28th Jul 2025284 AMAQI
15°C13/18°C
28th Jul 2025295 AMAQI
28th Jul 2025276 AMAQI
28th Jul 2025247 AMAQI
28th Jul 2025258 AMAQI
28th Jul 2025259 AMAQI
28th Jul 20252710 AMAQI
28th Jul 20252711 AMAQI
28th Jul 20252812 PMAQI
28th Jul 2025301 PMAQI
28th Jul 2025322 PMAQI
28th Jul 2025333 PMAQI
28th Jul 2025334 PMAQI
28th Jul 2025325 PMAQI
28th Jul 2025316 PMAQI
28th Jul 2025327 PMAQI
28th Jul 2025338 PMAQI
28th Jul 2025309 PMAQI
28th Jul 20253110 PMAQI
28th Jul 20253311 PMAQI
29th Jul 20253212 AMAQI
29th Jul 2025311 AMAQI
29th Jul 2025302 AMAQI
29th Jul 2025343 AMAQI
29th Jul 2025364 AMAQI
16°C14/19°C
29th Jul 2025365 AMAQI
29th Jul 2025336 AMAQI
29th Jul 2025317 AMAQI
29th Jul 2025308 AMAQI
29th Jul 2025339 AMAQI
29th Jul 20253410 AMAQI
29th Jul 20253311 AMAQI
29th Jul 20253112 PMAQI
29th Jul 2025321 PMAQI
29th Jul 2025362 PMAQI
29th Jul 2025343 PMAQI
29th Jul 2025354 PMAQI
29th Jul 2025355 PMAQI
29th Jul 2025346 PMAQI
29th Jul 2025347 PMAQI
29th Jul 2025348 PMAQI
29th Jul 2025359 PMAQI
29th Jul 20253410 PMAQI
29th Jul 20253211 PMAQI
30th Jul 20253212 AMAQI
30th Jul 2025331 AMAQI
30th Jul 2025322 AMAQI
30th Jul 2025353 AMAQI
30th Jul 2025354 AMAQI
18°C15/22°C
30th Jul 2025325 AMAQI
30th Jul 2025336 AMAQI
30th Jul 2025317 AMAQI
30th Jul 2025328 AMAQI
30th Jul 2025319 AMAQI
30th Jul 20252910 AMAQI
30th Jul 20253011 AMAQI
30th Jul 20253012 PMAQI
30th Jul 2025321 PMAQI
30th Jul 2025322 PMAQI
30th Jul 2025323 PMAQI
30th Jul 2025334 PMAQI
30th Jul 2025345 PMAQI
30th Jul 2025346 PMAQI
30th Jul 2025347 PMAQI
30th Jul 2025348 PMAQI
30th Jul 2025349 PMAQI
30th Jul 20253410 PMAQI
30th Jul 20253111 PMAQI
31st Jul 20253112 AMAQI
31st Jul 2025311 AMAQI
31st Jul 2025302 AMAQI
31st Jul 2025303 AMAQI
31st Jul 2025324 AMAQI
19°C16/24°C
31st Jul 2025285 AMAQI
31st Jul 2025266 AMAQI
31st Jul 2025287 AMAQI
31st Jul 2025228 AMAQI
31st Jul 2025229 AMAQI
31st Jul 20252310 AMAQI
31st Jul 20251911 AMAQI
31st Jul 20252012 PMAQI
31st Jul 2025221 PMAQI
31st Jul 2025262 PMAQI
31st Jul 2025263 PMAQI
31st Jul 2025254 PMAQI
31st Jul 2025265 PMAQI
31st Jul 2025266 PMAQI
31st Jul 2025297 PMAQI
31st Jul 2025298 PMAQI
31st Jul 2025289 PMAQI
31st Jul 20252510 PMAQI
31st Jul 20252211 PMAQI
1st Aug 20252212 AMAQI
1st Aug 2025221 AMAQI
1st Aug 2025222 AMAQI
1st Aug 2025213 AMAQI
1st Aug 2025254 AMAQI
18°C17/20°C
1st Aug 2025245 AMAQI
1st Aug 2025226 AMAQI
1st Aug 2025217 AMAQI
1st Aug 2025188 AMAQI
1st Aug 2025179 AMAQI
1st Aug 20251610 AMAQI
1st Aug 20251611 AMAQI
1st Aug 20251812 PMAQI
1st Aug 2025181 PMAQI
1st Aug 2025192 PMAQI
1st Aug 2025233 PMAQI
1st Aug 2025234 PMAQI
1st Aug 2025255 PMAQI
1st Aug 2025316 PMAQI
1st Aug 2025327 PMAQI
1st Aug 2025318 PMAQI
1st Aug 2025229 PMAQI
1st Aug 20252410 PMAQI
1st Aug 20252611 PMAQI
2nd Aug 20252712 AMAQI
2nd Aug 2025271 AMAQI
2nd Aug 2025252 AMAQI
2nd Aug 2025233 AMAQI
2nd Aug 2025214 AMAQI
18°C15/22°C
2nd Aug 2025215 AMAQI
2nd Aug 2025196 AMAQI
2nd Aug 2025167 AMAQI
2nd Aug 2025178 AMAQI
2nd Aug 2025179 AMAQI
2nd Aug 20251610 AMAQI
2nd Aug 20251511 AMAQI
2nd Aug 20251512 PMAQI
2nd Aug 2025161 PMAQI
2nd Aug 2025152 PMAQI
2nd Aug 2025153 PMAQI
2nd Aug 2025154 PMAQI
2nd Aug 2025175 PMAQI
2nd Aug 2025176 PMAQI
2nd Aug 2025217 PMAQI
2nd Aug 2025208 PMAQI
2nd Aug 2025189 PMAQI
2nd Aug 20251710 PMAQI
2nd Aug 20251811 PMAQI
3rd Aug 20252012 AMAQI
3rd Aug 2025201 AMAQI
3rd Aug 2025202 AMAQI
3rd Aug 2025183 AMAQI
3rd Aug 2025214 AMAQI
17°C15/19°C
3rd Aug 2025215 AMAQI
5 AM1 PM
9 PM
1 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 PM
24AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 9 PM
24AQI
17 hours / Day
510 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 PM (Avg. 24), while the lowest AQI was between 5 AM to 9 PM (Avg. 24).
Night time
Avg. Highest Time
12 AM - 11 PM
24AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
12 AM - 11 PM
24AQI
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. 24), while the lowest AQI was between 12 AM to 11 PM (Avg. 24).
2025 Days Vs Air Quality
Duncan, British Columbia, Canada
2025
96%
205
4%
8
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
205 DaysModerate
8 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2025, 96% of 215 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
Duncan, 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
31AQI
31AQI
2nd January 2025
29AQI
29AQI
3rd January 2025
27AQI
27AQI
4th January 2025
31AQI
31AQI
5th January 2025
22AQI
22AQI
6th January 2025
26AQI
26AQI
7th January 2025
33AQI
33AQI
8th January 2025
41AQI
41AQI
9th January 2025
32AQI
32AQI
10th January 2025
32AQI
32AQI
11th January 2025
27AQI
27AQI
12th January 2025
36AQI
36AQI
13th January 2025
41AQI
41AQI
14th January 2025
40AQI
40AQI
15th January 2025
53AQI
53AQI
16th January 2025
39AQI
39AQI
17th January 2025
35AQI
35AQI
18th January 2025
37AQI
37AQI
19th January 2025
45AQI
45AQI
20th January 2025
45AQI
45AQI
21st January 2025
49AQI
49AQI
22nd January 2025
54AQI
54AQI
23rd January 2025
57AQI
57AQI
24th January 2025
38AQI
38AQI
25th January 2025
44AQI
44AQI
26th January 2025
48AQI
48AQI
27th January 2025
52AQI
52AQI
28th January 2025
53AQI
53AQI
29th January 2025
57AQI
57AQI
30th January 2025
59AQI
59AQI
31st January 2025
31AQI
31AQI
1st February 2025
21AQI
21AQI
2nd February 2025
26AQI
26AQI
3rd February 2025
31AQI
31AQI
4th February 2025
22AQI
22AQI
5th February 2025
31AQI
31AQI
6th February 2025
29AQI
29AQI
7th February 2025
32AQI
32AQI
8th February 2025
54AQI
54AQI
9th February 2025
48AQI
48AQI
10th February 2025
36AQI
36AQI
11th February 2025
33AQI
33AQI
12th February 2025
39AQI
39AQI
13th February 2025
41AQI
41AQI
14th February 2025
44AQI
44AQI
15th February 2025
35AQI
35AQI
16th February 2025
24AQI
24AQI
17th February 2025
30AQI
30AQI
18th February 2025
29AQI
29AQI
19th February 2025
21AQI
21AQI
20th February 2025
20AQI
20AQI
21st February 2025
26AQI
26AQI
22nd February 2025
24AQI
24AQI
23rd February 2025
17AQI
17AQI
24th February 2025
24AQI
24AQI
25th February 2025
18AQI
18AQI
26th February 2025
26AQI
26AQI
27th February 2025
28AQI
28AQI
28th February 2025
34AQI
34AQI
1st March 2025
35AQI
35AQI
2nd March 2025
39AQI
39AQI
3rd March 2025
31AQI
31AQI
4th March 2025
22AQI
22AQI
5th March 2025
21AQI
21AQI
6th March 2025
22AQI
22AQI
7th March 2025
25AQI
25AQI
8th March 2025
23AQI
23AQI
9th March 2025
35AQI
35AQI
10th March 2025
32AQI
32AQI
11th March 2025
35AQI
35AQI
12th March 2025
28AQI
28AQI
13th March 2025
24AQI
24AQI
14th March 2025
24AQI
24AQI
15th March 2025
21AQI
21AQI
16th March 2025
21AQI
21AQI
17th March 2025
23AQI
23AQI
18th March 2025
21AQI
21AQI
19th March 2025
25AQI
25AQI
20th March 2025
18AQI
18AQI
21st March 2025
20AQI
20AQI
22nd March 2025
17AQI
17AQI
23rd March 2025
18AQI
18AQI
24th March 2025
22AQI
22AQI
25th March 2025
21AQI
21AQI
26th March 2025
21AQI
21AQI
27th March 2025
17AQI
17AQI
28th March 2025
16AQI
16AQI
29th March 2025
17AQI
17AQI
30th March 2025
22AQI
22AQI
31st March 2025
20AQI
20AQI
1st April 2025
16AQI
16AQI
2nd April 2025
25AQI
25AQI
3rd April 2025
27AQI
27AQI
4th April 2025
31AQI
31AQI
5th April 2025
32AQI
32AQI
6th April 2025
28AQI
28AQI
7th April 2025
16AQI
16AQI
8th April 2025
14AQI
14AQI
9th April 2025
14AQI
14AQI
10th April 2025
24AQI
24AQI
11th April 2025
17AQI
17AQI
12th April 2025
19AQI
19AQI
13th April 2025
22AQI
22AQI
14th April 2025
29AQI
29AQI
15th April 2025
27AQI
27AQI
16th April 2025
29AQI
29AQI
17th April 2025
22AQI
22AQI
18th April 2025
27AQI
27AQI
19th April 2025
27AQI
27AQI
20th April 2025
20AQI
20AQI
21st April 2025
17AQI
17AQI
22nd April 2025
17AQI
17AQI
23rd April 2025
23AQI
23AQI
24th April 2025
29AQI
29AQI
25th April 2025
42AQI
42AQI
26th April 2025
37AQI
37AQI
27th April 2025
34AQI
34AQI
28th April 2025
25AQI
25AQI
29th April 2025
21AQI
21AQI
30th April 2025
23AQI
23AQI
1st May 2025
33AQI
33AQI
2nd May 2025
32AQI
32AQI
3rd May 2025
19AQI
19AQI
4th May 2025
20AQI
20AQI
5th May 2025
24AQI
24AQI
6th May 2025
27AQI
27AQI
7th May 2025
26AQI
26AQI
8th May 2025
21AQI
21AQI
9th May 2025
25AQI
25AQI
10th May 2025
29AQI
29AQI
11th May 2025
21AQI
21AQI
12th May 2025
22AQI
22AQI
13th May 2025
25AQI
25AQI
14th May 2025
19AQI
19AQI
15th May 2025
21AQI
21AQI
16th May 2025
15AQI
15AQI
17th May 2025
17AQI
17AQI
18th May 2025
15AQI
15AQI
19th May 2025
17AQI
17AQI
20th May 2025
11AQI
11AQI
21st May 2025
14AQI
14AQI
22nd May 2025
17AQI
17AQI
23rd May 2025
15AQI
15AQI
24th May 2025
15AQI
15AQI
25th May 2025
17AQI
17AQI
26th May 2025
17AQI
17AQI
27th May 2025
15AQI
15AQI
28th May 2025
20AQI
20AQI
29th May 2025
14AQI
14AQI
30th May 2025
21AQI
21AQI
31st May 2025
18AQI
18AQI
1st June 2025
16AQI
16AQI
2nd June 2025
21AQI
21AQI
3rd June 2025
22AQI
22AQI
4th June 2025
19AQI
19AQI
5th June 2025
19AQI
19AQI
6th June 2025
20AQI
20AQI
7th June 2025
21AQI
21AQI
8th June 2025
26AQI
26AQI
9th June 2025
32AQI
32AQI
10th June 2025
32AQI
32AQI
11th June 2025
38AQI
38AQI
12th June 2025
36AQI
36AQI
13th June 2025
30AQI
30AQI
14th June 2025
23AQI
23AQI
15th June 2025
22AQI
22AQI
16th June 2025
20AQI
20AQI
17th June 2025
17AQI
17AQI
18th June 2025
15AQI
15AQI
19th June 2025
16AQI
16AQI
20th June 2025
19AQI
19AQI
21st June 2025
19AQI
19AQI
22nd June 2025
19AQI
19AQI
23rd June 2025
22AQI
22AQI
24th June 2025
35AQI
35AQI
25th June 2025
26AQI
26AQI
26th June 2025
16AQI
16AQI
27th June 2025
15AQI
15AQI
28th June 2025
14AQI
14AQI
29th June 2025
20AQI
20AQI
30th June 2025
21AQI
21AQI
1st July 2025
23AQI
23AQI
2nd July 2025
18AQI
18AQI
3rd July 2025
20AQI
20AQI
4th July 2025
19AQI
19AQI
5th July 2025
19AQI
19AQI
6th July 2025
19AQI
19AQI
7th July 2025
20AQI
20AQI
8th July 2025
20AQI
20AQI
9th July 2025
15AQI
15AQI
10th July 2025
18AQI
18AQI
11th July 2025
21AQI
21AQI
12th July 2025
18AQI
18AQI
13th July 2025
22AQI
22AQI
14th July 2025
20AQI
20AQI
15th July 2025
24AQI
24AQI
16th July 2025
36AQI
36AQI
17th July 2025
39AQI
39AQI
18th July 2025
38AQI
38AQI
19th July 2025
25AQI
25AQI
20th July 2025
23AQI
23AQI
21st July 2025
27AQI
27AQI
22nd July 2025
25AQI
25AQI
23rd July 2025
22AQI
22AQI
24th July 2025
25AQI
25AQI
25th July 2025
17AQI
17AQI
26th July 2025
21AQI
21AQI
27th July 2025
26AQI
26AQI
28th July 2025
30AQI
30AQI
29th July 2025
33AQI
33AQI
30th July 2025
33AQI
33AQI
31st July 2025
27AQI
27AQI
1st August 2025
23AQI
23AQI
40AQI
30AQI
24AQI
24AQI
20AQI
22AQI
24AQI
23AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202526AQI
24
7
27
1
31
30
31
30
31
1
205
8
Highest AQI recorded in
January40AQI
Lowest AQI recorded in
May20AQI
202425AQI
27
4
26
3
28
3
30
31
29
31
30
1
30
31
29
1
29
2
351
14
Highest AQI recorded in
January35AQI
Lowest AQI recorded in
June16AQI
202326AQI
29
2
27
1
31
30
31
30
31
26
5
30
26
5
24
5
31
346
18
Highest AQI recorded in
November40AQI
Lowest AQI recorded in
July17AQI
202229AQI
20
10
18
4
30
29
31
30
24
3
24
4
1
24
7
19
11
27
4
279
40
1
Highest AQI recorded in
November45AQI
Lowest AQI recorded in
June15AQI
202125AQI
27
3
28
29
1
30
31
29
1
31
28
2
30
30
1
29
1
30
1
352
10
Highest AQI recorded in
January34AQI
Lowest AQI recorded in
June18AQI
202029AQI
12
1
20
19
30
31
31
21
1
4
3
1
25
6
27
3
24
7
240
18
4
3
1
Highest AQI recorded in
September62AQI
Lowest AQI recorded in
June14AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
29AQILeast Polluted Year Recorded
2021(Avg.)
25AQIDuncan's annual 2025 AQI (26) shows an average percentage change of -1.6% (improved AQI) compared to previous years: 2020 (29), 2021 (25), 2022 (29), 2023 (26), 2024 (25).
