Otaru, Hokkaido, Japan 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
Otaru, Hokkaido, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
23rd Aug 2023
58AQILowest AQI recorded on
1st Aug 2026
17AQISame Day Analysis (7th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 31 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 6th Aug - 7th Aug 2026
Otaru, Hokkaido, Japan
AQI
Day
Night
.
4 AM6th Aug 2026
7 PM
3 AM7th Aug 2026
Day time
Avg. Highest Time
1PM6th Aug
34AQI
Avg. Lowest Time
6AM6th Aug
21AQI
Night time
Avg. Highest Time
12AM7th Aug
33AQI
Avg. Lowest Time
3AM7th Aug
29AQI
In the last 24 hours,
Otaru's AQI reached its highest point of 34 at 1 PM during the Day, while the lowest point, 21, was recorded at 6 AM during the Day between 6th Aug and 7th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Otaru, Hokkaido, Japan
JulAug
09th - 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 - 06th06th - 07th07th
Day
Night
9th Jul 2026244 AMAQI
9th Jul 2026265 AMAQI
9th Jul 2026256 AMAQI
9th Jul 2026267 AMAQI
9th Jul 2026248 AMAQI
9th Jul 2026209 AMAQI
9th Jul 20262410 AMAQI
9th Jul 20262211 AMAQI
9th Jul 20262112 PMAQI
9th Jul 2026191 PMAQI
9th Jul 2026222 PMAQI
9th Jul 2026253 PMAQI
9th Jul 2026244 PMAQI
9th Jul 2026245 PMAQI
9th Jul 2026226 PMAQI
9th Jul 2026257 PMAQI
9th Jul 2026258 PMAQI
9th Jul 2026249 PMAQI
9th Jul 20262410 PMAQI
9th Jul 20262611 PMAQI
10th Jul 20262612 AMAQI
10th Jul 2026271 AMAQI
10th Jul 2026242 AMAQI
10th Jul 2026263 AMAQI
19°C17/22°C
10th Jul 2026234 AMAQI
10th Jul 2026265 AMAQI
10th Jul 2026256 AMAQI
10th Jul 2026287 AMAQI
10th Jul 2026268 AMAQI
10th Jul 2026269 AMAQI
10th Jul 20263010 AMAQI
10th Jul 20262411 AMAQI
10th Jul 20262612 PMAQI
10th Jul 2026231 PMAQI
10th Jul 2026232 PMAQI
10th Jul 2026213 PMAQI
10th Jul 2026244 PMAQI
10th Jul 2026285 PMAQI
10th Jul 2026276 PMAQI
10th Jul 2026307 PMAQI
10th Jul 2026308 PMAQI
10th Jul 2026299 PMAQI
10th Jul 20263010 PMAQI
10th Jul 20263211 PMAQI
11th Jul 20263012 AMAQI
11th Jul 2026311 AMAQI
11th Jul 2026302 AMAQI
11th Jul 2026293 AMAQI
19°C18/22°C
11th Jul 2026264 AMAQI
11th Jul 2026305 AMAQI
11th Jul 2026316 AMAQI
11th Jul 2026297 AMAQI
11th Jul 2026328 AMAQI
11th Jul 2026339 AMAQI
11th Jul 20263610 AMAQI
11th Jul 20262711 AMAQI
11th Jul 20262612 PMAQI
11th Jul 2026231 PMAQI
11th Jul 2026342 PMAQI
11th Jul 2026483 PMAQI
11th Jul 2026444 PMAQI
11th Jul 2026365 PMAQI
11th Jul 2026256 PMAQI
11th Jul 2026197 PMAQI
11th Jul 2026188 PMAQI
11th Jul 2026109 PMAQI
11th Jul 2026810 PMAQI
11th Jul 20261111 PMAQI
12th Jul 20261412 AMAQI
12th Jul 2026181 AMAQI
12th Jul 2026232 AMAQI
12th Jul 2026283 AMAQI
20°C18/22°C
12th Jul 2026264 AMAQI
12th Jul 2026265 AMAQI
12th Jul 2026246 AMAQI
12th Jul 2026287 AMAQI
12th Jul 2026268 AMAQI
12th Jul 2026289 AMAQI
12th Jul 20262810 AMAQI
12th Jul 20262611 AMAQI
12th Jul 20262412 PMAQI
12th Jul 2026211 PMAQI
12th Jul 2026222 PMAQI
12th Jul 2026203 PMAQI
12th Jul 2026224 PMAQI
12th Jul 2026275 PMAQI
12th Jul 2026266 PMAQI
12th Jul 2026267 PMAQI
12th Jul 2026288 PMAQI
12th Jul 2026279 PMAQI
12th Jul 20262810 PMAQI
12th Jul 20262911 PMAQI
13th Jul 20262612 AMAQI
13th Jul 2026261 AMAQI
13th Jul 2026262 AMAQI
13th Jul 2026263 AMAQI
20°C19/23°C
13th Jul 2026154 AMAQI
13th Jul 2026125 AMAQI
13th Jul 2026126 AMAQI
13th Jul 2026187 AMAQI
13th Jul 2026278 AMAQI
13th Jul 2026269 AMAQI
13th Jul 20262610 AMAQI
13th Jul 20262111 AMAQI
13th Jul 20262212 PMAQI
13th Jul 2026201 PMAQI
13th Jul 2026202 PMAQI
13th Jul 2026203 PMAQI
13th Jul 2026224 PMAQI
13th Jul 2026225 PMAQI
13th Jul 2026206 PMAQI
13th Jul 2026297 PMAQI
13th Jul 2026288 PMAQI
13th Jul 2026289 PMAQI
13th Jul 20263010 PMAQI
13th Jul 20263011 PMAQI
14th Jul 20262412 AMAQI
14th Jul 2026301 AMAQI
14th Jul 2026282 AMAQI
14th Jul 2026263 AMAQI
21°C19/23°C
14th Jul 2026244 AMAQI
14th Jul 2026305 AMAQI
14th Jul 2026266 AMAQI
14th Jul 2026277 AMAQI
14th Jul 2026248 AMAQI
14th Jul 2026299 AMAQI
14th Jul 20262910 AMAQI
14th Jul 20262411 AMAQI
14th Jul 20262112 PMAQI
14th Jul 2026201 PMAQI
14th Jul 2026202 PMAQI
14th Jul 2026203 PMAQI
14th Jul 2026244 PMAQI
14th Jul 2026285 PMAQI
14th Jul 2026286 PMAQI
14th Jul 2026267 PMAQI
14th Jul 2026298 PMAQI
14th Jul 2026279 PMAQI
14th Jul 20262810 PMAQI
14th Jul 20263011 PMAQI
15th Jul 20263012 AMAQI
15th Jul 2026311 AMAQI
15th Jul 2026312 AMAQI
15th Jul 2026303 AMAQI
20°C18/21°C
15th Jul 2026264 AMAQI
15th Jul 2026285 AMAQI
15th Jul 2026256 AMAQI
15th Jul 2026297 AMAQI
15th Jul 2026308 AMAQI
15th Jul 2026289 AMAQI
15th Jul 20263010 AMAQI
15th Jul 20262411 AMAQI
15th Jul 20262212 PMAQI
15th Jul 2026221 PMAQI
15th Jul 2026202 PMAQI
15th Jul 2026193 PMAQI
15th Jul 2026224 PMAQI
15th Jul 2026445 PMAQI
15th Jul 2026276 PMAQI
15th Jul 2026257 PMAQI
15th Jul 2026258 PMAQI
15th Jul 2026259 PMAQI
15th Jul 20262510 PMAQI
15th Jul 20262411 PMAQI
16th Jul 20262312 AMAQI
16th Jul 2026251 AMAQI
16th Jul 2026252 AMAQI
16th Jul 2026173 AMAQI
22°C19/25°C
16th Jul 202664 AMAQI
16th Jul 2026105 AMAQI
16th Jul 2026146 AMAQI
16th Jul 2026127 AMAQI
16th Jul 2026148 AMAQI
16th Jul 2026239 AMAQI
16th Jul 20263110 AMAQI
16th Jul 20262711 AMAQI
16th Jul 20262112 PMAQI
16th Jul 2026191 PMAQI
16th Jul 2026172 PMAQI
16th Jul 2026183 PMAQI
16th Jul 2026344 PMAQI
16th Jul 2026305 PMAQI
16th Jul 2026256 PMAQI
16th Jul 2026257 PMAQI
16th Jul 2026348 PMAQI
16th Jul 2026309 PMAQI
16th Jul 20262510 PMAQI
16th Jul 20263411 PMAQI
17th Jul 20263212 AMAQI
17th Jul 2026181 AMAQI
17th Jul 2026122 AMAQI
17th Jul 2026123 AMAQI
22°C19/25°C
17th Jul 2026144 AMAQI
17th Jul 2026125 AMAQI
17th Jul 2026126 AMAQI
17th Jul 2026127 AMAQI
17th Jul 2026128 AMAQI
17th Jul 2026199 AMAQI
17th Jul 20263610 AMAQI
17th Jul 20263811 AMAQI
17th Jul 20263312 PMAQI
17th Jul 2026361 PMAQI
17th Jul 2026402 PMAQI
17th Jul 2026403 PMAQI
17th Jul 2026274 PMAQI
17th Jul 2026255 PMAQI
17th Jul 2026276 PMAQI
17th Jul 2026257 PMAQI
17th Jul 2026298 PMAQI
17th Jul 2026279 PMAQI
17th Jul 20263110 PMAQI
17th Jul 20262911 PMAQI
18th Jul 20263112 AMAQI
18th Jul 2026291 AMAQI
18th Jul 2026312 AMAQI
18th Jul 2026273 AMAQI
22°C19/25°C
18th Jul 2026274 AMAQI
18th Jul 2026315 AMAQI
18th Jul 2026336 AMAQI
18th Jul 2026277 AMAQI
18th Jul 2026298 AMAQI
18th Jul 2026299 AMAQI
18th Jul 20262510 AMAQI
18th Jul 20262911 AMAQI
18th Jul 20262712 PMAQI
18th Jul 2026251 PMAQI
18th Jul 2026232 PMAQI
18th Jul 2026213 PMAQI
18th Jul 2026234 PMAQI
18th Jul 2026215 PMAQI
18th Jul 2026216 PMAQI
18th Jul 2026217 PMAQI
18th Jul 2026298 PMAQI
18th Jul 2026279 PMAQI
18th Jul 20262310 PMAQI
18th Jul 20262111 PMAQI
19th Jul 20262512 AMAQI
19th Jul 2026251 AMAQI
19th Jul 2026212 AMAQI
19th Jul 2026233 AMAQI
21°C20/23°C
19th Jul 2026214 AMAQI
19th Jul 2026195 AMAQI
19th Jul 2026216 AMAQI
19th Jul 2026197 AMAQI
19th Jul 2026218 AMAQI
19th Jul 2026219 AMAQI
19th Jul 20262110 AMAQI
19th Jul 20261711 AMAQI
19th Jul 20262112 PMAQI
19th Jul 2026191 PMAQI
19th Jul 2026212 PMAQI
19th Jul 2026193 PMAQI
19th Jul 2026174 PMAQI
19th Jul 2026255 PMAQI
19th Jul 2026216 PMAQI
19th Jul 2026197 PMAQI
19th Jul 2026218 PMAQI
19th Jul 2026239 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20262311 PMAQI
20th Jul 20265012 AMAQI
20th Jul 2026561 AMAQI
20th Jul 2026232 AMAQI
20th Jul 2026253 AMAQI
20°C19/21°C
20th Jul 2026234 AMAQI
20th Jul 2026235 AMAQI
20th Jul 2026216 AMAQI
20th Jul 2026237 AMAQI
20th Jul 2026258 AMAQI
20th Jul 2026239 AMAQI
20th Jul 20262310 AMAQI
20th Jul 20262111 AMAQI
20th Jul 20262512 PMAQI
20th Jul 2026231 PMAQI
20th Jul 2026192 PMAQI
20th Jul 2026213 PMAQI
20th Jul 2026254 PMAQI
20th Jul 2026195 PMAQI
20th Jul 2026196 PMAQI
20th Jul 2026237 PMAQI
20th Jul 2026278 PMAQI
20th Jul 2026259 PMAQI
20th Jul 20262310 PMAQI
20th Jul 20262311 PMAQI
21st Jul 20262712 AMAQI
21st Jul 2026231 AMAQI
21st Jul 2026212 AMAQI
21st Jul 2026233 AMAQI
20°C18/23°C
21st Jul 2026234 AMAQI
21st Jul 2026255 AMAQI
21st Jul 2026256 AMAQI
21st Jul 2026237 AMAQI
21st Jul 2026278 AMAQI
21st Jul 2026259 AMAQI
21st Jul 20262110 AMAQI
21st Jul 20262111 AMAQI
21st Jul 2026271 PMAQI
21st Jul 2026272 PMAQI
21st Jul 2026253 PMAQI
21st Jul 2026254 PMAQI
21st Jul 2026255 PMAQI
21st Jul 2026216 PMAQI
21st Jul 2026747 PMAQI
21st Jul 2026218 PMAQI
21st Jul 2026219 PMAQI
21st Jul 20262110 PMAQI
21st Jul 20262111 PMAQI
22nd Jul 20262112 AMAQI
22nd Jul 2026211 AMAQI
22nd Jul 2026212 AMAQI
22nd Jul 2026213 AMAQI
21°C18/25°C
22nd Jul 2026214 AMAQI
22nd Jul 2026255 AMAQI
22nd Jul 2026216 AMAQI
22nd Jul 2026237 AMAQI
22nd Jul 2026238 AMAQI
22nd Jul 2026259 AMAQI
22nd Jul 20262310 AMAQI
22nd Jul 20262111 AMAQI
22nd Jul 20262312 PMAQI
22nd Jul 2026251 PMAQI
22nd Jul 2026212 PMAQI
22nd Jul 2026253 PMAQI
22nd Jul 2026214 PMAQI
22nd Jul 2026215 PMAQI
22nd Jul 2026236 PMAQI
22nd Jul 2026277 PMAQI
22nd Jul 2026218 PMAQI
22nd Jul 2026219 PMAQI
22nd Jul 20262510 PMAQI
22nd Jul 20262311 PMAQI
23rd Jul 20263412 AMAQI
23rd Jul 2026211 AMAQI
23rd Jul 2026232 AMAQI
23rd Jul 2026213 AMAQI
19°C17/22°C
23rd Jul 2026234 AMAQI
23rd Jul 2026235 AMAQI
23rd Jul 2026216 AMAQI
23rd Jul 2026277 AMAQI
23rd Jul 2026218 AMAQI
23rd Jul 2026219 AMAQI
23rd Jul 20262110 AMAQI
23rd Jul 20262511 AMAQI
23rd Jul 20262912 PMAQI
23rd Jul 2026291 PMAQI
23rd Jul 2026272 PMAQI
23rd Jul 2026253 PMAQI
23rd Jul 2026234 PMAQI
23rd Jul 2026235 PMAQI
23rd Jul 2026236 PMAQI
23rd Jul 2026237 PMAQI
23rd Jul 2026218 PMAQI
23rd Jul 2026219 PMAQI
23rd Jul 20262110 PMAQI
23rd Jul 20262111 PMAQI
24th Jul 20262112 AMAQI
24th Jul 2026211 AMAQI
24th Jul 2026272 AMAQI
24th Jul 2026253 AMAQI
20°C17/24°C
24th Jul 2026214 AMAQI
24th Jul 2026215 AMAQI
24th Jul 2026216 AMAQI
24th Jul 2026217 AMAQI
24th Jul 2026218 AMAQI
24th Jul 2026219 AMAQI
24th Jul 20262310 AMAQI
24th Jul 20262711 AMAQI
24th Jul 20263412 PMAQI
24th Jul 2026361 PMAQI
24th Jul 2026332 PMAQI
24th Jul 2026363 PMAQI
24th Jul 2026364 PMAQI
24th Jul 2026365 PMAQI
24th Jul 2026336 PMAQI
24th Jul 2026297 PMAQI
24th Jul 2026318 PMAQI
24th Jul 2026299 PMAQI
24th Jul 20262710 PMAQI
24th Jul 20262911 PMAQI
25th Jul 20262712 AMAQI
25th Jul 2026271 AMAQI
25th Jul 2026252 AMAQI
25th Jul 2026233 AMAQI
20°C18/23°C
25th Jul 2026234 AMAQI
25th Jul 2026215 AMAQI
25th Jul 2026236 AMAQI
25th Jul 2026217 AMAQI
25th Jul 2026218 AMAQI
25th Jul 2026219 AMAQI
25th Jul 20262310 AMAQI
25th Jul 20262311 AMAQI
25th Jul 20261912 PMAQI
25th Jul 2026171 PMAQI
25th Jul 2026272 PMAQI
25th Jul 2026293 PMAQI
25th Jul 2026254 PMAQI
25th Jul 2026235 PMAQI
25th Jul 2026296 PMAQI
25th Jul 2026277 PMAQI
25th Jul 2026278 PMAQI
25th Jul 2026299 PMAQI
25th Jul 20262910 PMAQI
25th Jul 20262911 PMAQI
26th Jul 20262312 AMAQI
26th Jul 2026211 AMAQI
26th Jul 2026212 AMAQI
26th Jul 2026233 AMAQI
19°C18/21°C
26th Jul 2026214 AMAQI
26th Jul 2026215 AMAQI
26th Jul 2026216 AMAQI
26th Jul 2026217 AMAQI
26th Jul 2026218 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20262510 AMAQI
26th Jul 20262711 AMAQI
26th Jul 20262712 PMAQI
26th Jul 2026271 PMAQI
26th Jul 2026232 PMAQI
26th Jul 2026253 PMAQI
26th Jul 2026254 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026236 PMAQI
26th Jul 2026237 PMAQI
26th Jul 2026218 PMAQI
26th Jul 2026259 PMAQI
26th Jul 20262110 PMAQI
26th Jul 20262311 PMAQI
27th Jul 20262312 AMAQI
27th Jul 2026211 AMAQI
27th Jul 2026212 AMAQI
27th Jul 2026213 AMAQI
19°C17/22°C
27th Jul 2026234 AMAQI
27th Jul 2026235 AMAQI
27th Jul 2026236 AMAQI
27th Jul 2026237 AMAQI
27th Jul 2026218 AMAQI
27th Jul 2026239 AMAQI
27th Jul 20262510 AMAQI
27th Jul 20262511 AMAQI
27th Jul 20262712 PMAQI
27th Jul 2026291 PMAQI
27th Jul 2026312 PMAQI
27th Jul 2026293 PMAQI
27th Jul 2026294 PMAQI
27th Jul 2026275 PMAQI
27th Jul 2026276 PMAQI
27th Jul 2026257 PMAQI
27th Jul 2026278 PMAQI
27th Jul 2026299 PMAQI
27th Jul 20262510 PMAQI
27th Jul 20262511 PMAQI
28th Jul 20262512 AMAQI
28th Jul 2026251 AMAQI
28th Jul 2026252 AMAQI
28th Jul 2026253 AMAQI
19°C15/22°C
28th Jul 2026274 AMAQI
28th Jul 2026235 AMAQI
28th Jul 2026256 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026258 AMAQI
28th Jul 2026259 AMAQI
28th Jul 20262710 AMAQI
28th Jul 20262911 AMAQI
28th Jul 20262512 PMAQI
28th Jul 2026251 PMAQI
28th Jul 2026232 PMAQI
28th Jul 2026213 PMAQI
28th Jul 2026214 PMAQI
28th Jul 2026255 PMAQI
28th Jul 2026216 PMAQI
28th Jul 2026277 PMAQI
28th Jul 2026258 PMAQI
28th Jul 2026239 PMAQI
28th Jul 20262710 PMAQI
28th Jul 20262711 PMAQI
29th Jul 20262312 AMAQI
29th Jul 2026211 AMAQI
29th Jul 2026252 AMAQI
29th Jul 2026253 AMAQI
19°C15/23°C
29th Jul 2026234 AMAQI
29th Jul 2026235 AMAQI
29th Jul 2026256 AMAQI
29th Jul 2026237 AMAQI
29th Jul 2026198 AMAQI
29th Jul 2026219 AMAQI
29th Jul 20262110 AMAQI
29th Jul 20261711 AMAQI
29th Jul 20261912 PMAQI
29th Jul 2026211 PMAQI
29th Jul 2026172 PMAQI
29th Jul 2026193 PMAQI
29th Jul 2026194 PMAQI
29th Jul 2026195 PMAQI
29th Jul 2026176 PMAQI
29th Jul 2026197 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026199 PMAQI
29th Jul 20262110 PMAQI
29th Jul 20261911 PMAQI
30th Jul 20261612 AMAQI
30th Jul 2026171 AMAQI
30th Jul 2026192 AMAQI
30th Jul 2026173 AMAQI
20°C18/22°C
30th Jul 2026174 AMAQI
30th Jul 2026145 AMAQI
30th Jul 2026146 AMAQI
30th Jul 2026147 AMAQI
30th Jul 2026178 AMAQI
30th Jul 2026179 AMAQI
30th Jul 20262110 AMAQI
30th Jul 20261411 AMAQI
30th Jul 20261712 PMAQI
30th Jul 2026141 PMAQI
30th Jul 2026172 PMAQI
30th Jul 2026173 PMAQI
30th Jul 2026224 PMAQI
30th Jul 2026215 PMAQI
30th Jul 2026126 PMAQI
30th Jul 2026177 PMAQI
30th Jul 2026148 PMAQI
30th Jul 2026149 PMAQI
30th Jul 20261410 PMAQI
30th Jul 20261711 PMAQI
31st Jul 20261212 AMAQI
31st Jul 2026171 AMAQI
31st Jul 2026172 AMAQI
31st Jul 2026173 AMAQI
20°C19/20°C
31st Jul 2026174 AMAQI
31st Jul 2026145 AMAQI
31st Jul 2026176 AMAQI
31st Jul 2026177 AMAQI
31st Jul 2026148 AMAQI
31st Jul 2026149 AMAQI
31st Jul 20261410 AMAQI
31st Jul 20261211 AMAQI
31st Jul 20261212 PMAQI
31st Jul 2026171 PMAQI
31st Jul 2026162 PMAQI
31st Jul 2026213 PMAQI
31st Jul 2026214 PMAQI
31st Jul 2026165 PMAQI
31st Jul 2026176 PMAQI
31st Jul 2026177 PMAQI
31st Jul 2026178 PMAQI
31st Jul 2026179 PMAQI
31st Jul 20261610 PMAQI
31st Jul 20261711 PMAQI
1st Aug 20261712 AMAQI
1st Aug 2026171 AMAQI
1st Aug 2026142 AMAQI
1st Aug 2026173 AMAQI
19°C19/21°C
1st Aug 2026164 AMAQI
1st Aug 2026175 AMAQI
1st Aug 2026196 AMAQI
1st Aug 2026197 AMAQI
1st Aug 2026148 AMAQI
1st Aug 2026199 AMAQI
1st Aug 20261910 AMAQI
1st Aug 20261911 AMAQI
1st Aug 20261712 PMAQI
1st Aug 2026141 PMAQI
1st Aug 2026172 PMAQI
1st Aug 2026193 PMAQI
1st Aug 2026174 PMAQI
1st Aug 2026195 PMAQI
1st Aug 2026176 PMAQI
1st Aug 2026147 PMAQI
1st Aug 2026178 PMAQI
1st Aug 2026179 PMAQI
1st Aug 20261910 PMAQI
1st Aug 20261911 PMAQI
2nd Aug 20262112 AMAQI
2nd Aug 2026211 AMAQI
2nd Aug 2026212 AMAQI
2nd Aug 2026253 AMAQI
20°C19/22°C
2nd Aug 2026214 AMAQI
2nd Aug 2026215 AMAQI
2nd Aug 2026196 AMAQI
2nd Aug 2026237 AMAQI
2nd Aug 2026258 AMAQI
2nd Aug 2026259 AMAQI
2nd Aug 20262310 AMAQI
2nd Aug 20262111 AMAQI
2nd Aug 20262112 PMAQI
2nd Aug 2026231 PMAQI
2nd Aug 2026232 PMAQI
2nd Aug 2026233 PMAQI
2nd Aug 2026234 PMAQI
2nd Aug 2026215 PMAQI
2nd Aug 2026216 PMAQI
2nd Aug 2026217 PMAQI
2nd Aug 2026238 PMAQI
2nd Aug 2026239 PMAQI
2nd Aug 20262510 PMAQI
2nd Aug 20262111 PMAQI
3rd Aug 20262512 AMAQI
3rd Aug 2026211 AMAQI
3rd Aug 2026212 AMAQI
3rd Aug 2026213 AMAQI
20°C17/23°C
3rd Aug 2026214 AMAQI
3rd Aug 2026215 AMAQI
3rd Aug 2026236 AMAQI
3rd Aug 2026257 AMAQI
3rd Aug 2026218 AMAQI
3rd Aug 2026219 AMAQI
3rd Aug 20262510 AMAQI
3rd Aug 20262311 AMAQI
3rd Aug 20262312 PMAQI
3rd Aug 2026251 PMAQI
3rd Aug 2026252 PMAQI
3rd Aug 2026273 PMAQI
3rd Aug 2026274 PMAQI
3rd Aug 2026255 PMAQI
3rd Aug 2026256 PMAQI
3rd Aug 2026257 PMAQI
3rd Aug 2026238 PMAQI
3rd Aug 2026259 PMAQI
3rd Aug 20262510 PMAQI
3rd Aug 20262511 PMAQI
4th Aug 20262512 AMAQI
4th Aug 2026251 AMAQI
4th Aug 2026252 AMAQI
4th Aug 2026233 AMAQI
20°C15/25°C
4th Aug 2026234 AMAQI
4th Aug 2026235 AMAQI
4th Aug 2026236 AMAQI
4th Aug 2026257 AMAQI
4th Aug 2026238 AMAQI
4th Aug 2026259 AMAQI
4th Aug 20262510 AMAQI
4th Aug 20262711 AMAQI
4th Aug 20263112 PMAQI
4th Aug 2026291 PMAQI
4th Aug 2026292 PMAQI
4th Aug 2026313 PMAQI
4th Aug 2026314 PMAQI
4th Aug 2026335 PMAQI
4th Aug 2026296 PMAQI
4th Aug 2026297 PMAQI
4th Aug 2026278 PMAQI
4th Aug 2026299 PMAQI
4th Aug 20263310 PMAQI
4th Aug 20263111 PMAQI
5th Aug 20263312 AMAQI
5th Aug 2026291 AMAQI
5th Aug 2026312 AMAQI
5th Aug 2026333 AMAQI
21°C16/26°C
5th Aug 2026314 AMAQI
5th Aug 2026295 AMAQI
5th Aug 2026296 AMAQI
5th Aug 2026297 AMAQI
5th Aug 2026318 AMAQI
5th Aug 2026299 AMAQI
5th Aug 20262910 AMAQI
5th Aug 20262911 AMAQI
5th Aug 20263312 PMAQI
5th Aug 2026331 PMAQI
5th Aug 2026332 PMAQI
5th Aug 2026313 PMAQI
5th Aug 2026334 PMAQI
5th Aug 2026335 PMAQI
5th Aug 2026316 PMAQI
5th Aug 2026297 PMAQI
5th Aug 2026298 PMAQI
5th Aug 2026299 PMAQI
5th Aug 20262910 PMAQI
5th Aug 20262911 PMAQI
6th Aug 20263112 AMAQI
6th Aug 2026641 AMAQI
6th Aug 2026272 AMAQI
6th Aug 2026273 AMAQI
21°C17/27°C
6th Aug 2026254 AMAQI
6th Aug 2026255 AMAQI
6th Aug 2026216 AMAQI
6th Aug 2026237 AMAQI
6th Aug 2026258 AMAQI
6th Aug 2026259 AMAQI
6th Aug 20262510 AMAQI
6th Aug 20262511 AMAQI
6th Aug 20262912 PMAQI
6th Aug 2026341 PMAQI
6th Aug 2026332 PMAQI
6th Aug 2026293 PMAQI
6th Aug 2026294 PMAQI
6th Aug 2026315 PMAQI
6th Aug 2026296 PMAQI
6th Aug 2026297 PMAQI
6th Aug 2026298 PMAQI
6th Aug 2026299 PMAQI
6th Aug 20262910 PMAQI
6th Aug 20263111 PMAQI
7th Aug 20263312 AMAQI
7th Aug 2026291 AMAQI
7th Aug 2026292 AMAQI
7th Aug 2026293 AMAQI
22°C18/27°C
7th Aug 2026294 AMAQI
4 AM7th Aug 2026275 AMAQI
7th Aug 2026276 AMAQI
7th Aug 2026297 AMAQI
7th Aug 2026298 AMAQI
7th Aug 2026299 AMAQI
7th Aug 20262910 AMAQI
7th Aug 20262711 AMAQI
11 AM7th Aug 20262712 PMAQI
7th Aug 2026311 PMAQI
7th Aug 2026362 PMAQI
7th Aug 2026403 PMAQI
7th Aug 2026364 PMAQI
7th Aug 2026385 PMAQI
7th Aug 2026336 PMAQI
7th Aug 2026367 PMAQI
7 PM7th Aug 2026338 PMAQI
7th Aug 2026339 PMAQI
7th Aug 20263310 PMAQI
7th Aug 20263311 PMAQI
11 PM3 AM
23°C19/28°C
Day time
Avg. Highest Time
4 PM - 5 PM
26AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
4 AM - 6 AM
22AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 PM to 5 PM (Avg. 26), while the lowest AQI was between 4 AM to 6 AM (Avg. 22).
Night time
Avg. Highest Time
12 AM - 1 AM
26AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
2 AM - 3 AM
24AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 1 AM (Avg. 26), while the lowest AQI was between 2 AM to 3 AM (Avg. 24).
2026 Days Vs Air Quality
Otaru, Hokkaido, Japan
2026
84%
184
16%
35
Total number of days with different AQI categories in last 219 days in 2026 (146 days remaining)
Good
184 DaysModerate
35 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2026, 84% of 219 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
Otaru, Hokkaido, Japan
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
24AQI (US)
24AQI (US)
2nd January 2026
19AQI (US)
19AQI (US)
3rd January 2026
16AQI (US)
16AQI (US)
4th January 2026
28AQI (US)
28AQI (US)
5th January 2026
25AQI (US)
25AQI (US)
6th January 2026
31AQI (US)
31AQI (US)
7th January 2026
25AQI (US)
25AQI (US)
8th January 2026
26AQI (US)
26AQI (US)
9th January 2026
22AQI (US)
22AQI (US)
10th January 2026
24AQI (US)
24AQI (US)
11th January 2026
30AQI (US)
30AQI (US)
12th January 2026
20AQI (US)
20AQI (US)
13th January 2026
27AQI (US)
27AQI (US)
14th January 2026
37AQI (US)
37AQI (US)
15th January 2026
28AQI (US)
28AQI (US)
16th January 2026
39AQI (US)
39AQI (US)
17th January 2026
24AQI (US)
24AQI (US)
18th January 2026
36AQI (US)
36AQI (US)
19th January 2026
36AQI (US)
36AQI (US)
20th January 2026
32AQI (US)
32AQI (US)
21st January 2026
15AQI (US)
15AQI (US)
22nd January 2026
22AQI (US)
22AQI (US)
23rd January 2026
33AQI (US)
33AQI (US)
24th January 2026
31AQI (US)
31AQI (US)
25th January 2026
22AQI (US)
22AQI (US)
26th January 2026
35AQI (US)
35AQI (US)
27th January 2026
35AQI (US)
35AQI (US)
28th January 2026
31AQI (US)
31AQI (US)
29th January 2026
28AQI (US)
28AQI (US)
30th January 2026
42AQI (US)
42AQI (US)
31st January 2026
47AQI (US)
47AQI (US)
1st February 2026
32AQI (US)
32AQI (US)
2nd February 2026
35AQI (US)
35AQI (US)
3rd February 2026
30AQI (US)
30AQI (US)
4th February 2026
36AQI (US)
36AQI (US)
5th February 2026
35AQI (US)
35AQI (US)
6th February 2026
29AQI (US)
29AQI (US)
7th February 2026
25AQI (US)
25AQI (US)
8th February 2026
23AQI (US)
23AQI (US)
9th February 2026
45AQI (US)
45AQI (US)
10th February 2026
50AQI (US)
50AQI (US)
11th February 2026
63AQI (US)
63AQI (US)
12th February 2026
21AQI (US)
21AQI (US)
13th February 2026
21AQI (US)
21AQI (US)
14th February 2026
61AQI (US)
61AQI (US)
15th February 2026
52AQI (US)
52AQI (US)
16th February 2026
28AQI (US)
28AQI (US)
17th February 2026
22AQI (US)
22AQI (US)
18th February 2026
17AQI (US)
17AQI (US)
19th February 2026
33AQI (US)
33AQI (US)
20th February 2026
38AQI (US)
38AQI (US)
21st February 2026
52AQI (US)
52AQI (US)
22nd February 2026
46AQI (US)
46AQI (US)
23rd February 2026
26AQI (US)
26AQI (US)
24th February 2026
23AQI (US)
23AQI (US)
25th February 2026
47AQI (US)
47AQI (US)
26th February 2026
39AQI (US)
39AQI (US)
27th February 2026
32AQI (US)
32AQI (US)
28th February 2026
42AQI (US)
42AQI (US)
1st March 2026
38AQI (US)
38AQI (US)
2nd March 2026
66AQI (US)
66AQI (US)
3rd March 2026
47AQI (US)
47AQI (US)
4th March 2026
56AQI (US)
56AQI (US)
5th March 2026
62AQI (US)
62AQI (US)
6th March 2026
52AQI (US)
52AQI (US)
7th March 2026
46AQI (US)
46AQI (US)
8th March 2026
47AQI (US)
47AQI (US)
9th March 2026
45AQI (US)
45AQI (US)
10th March 2026
54AQI (US)
54AQI (US)
11th March 2026
54AQI (US)
54AQI (US)
12th March 2026
64AQI (US)
64AQI (US)
13th March 2026
40AQI (US)
40AQI (US)
14th March 2026
48AQI (US)
48AQI (US)
15th March 2026
63AQI (US)
63AQI (US)
16th March 2026
44AQI (US)
44AQI (US)
17th March 2026
43AQI (US)
43AQI (US)
18th March 2026
63AQI (US)
63AQI (US)
19th March 2026
55AQI (US)
55AQI (US)
20th March 2026
38AQI (US)
38AQI (US)
21st March 2026
43AQI (US)
43AQI (US)
22nd March 2026
64AQI (US)
64AQI (US)
23rd March 2026
58AQI (US)
58AQI (US)
24th March 2026
53AQI (US)
53AQI (US)
25th March 2026
38AQI (US)
38AQI (US)
26th March 2026
28AQI (US)
28AQI (US)
27th March 2026
32AQI (US)
32AQI (US)
28th March 2026
51AQI (US)
51AQI (US)
29th March 2026
82AQI (US)
82AQI (US)
30th March 2026
87AQI (US)
87AQI (US)
31st March 2026
63AQI (US)
63AQI (US)
1st April 2026
20AQI (US)
20AQI (US)
2nd April 2026
37AQI (US)
37AQI (US)
3rd April 2026
56AQI (US)
56AQI (US)
4th April 2026
59AQI (US)
59AQI (US)
5th April 2026
21AQI (US)
21AQI (US)
6th April 2026
20AQI (US)
20AQI (US)
7th April 2026
27AQI (US)
27AQI (US)
8th April 2026
23AQI (US)
23AQI (US)
9th April 2026
39AQI (US)
39AQI (US)
10th April 2026
55AQI (US)
55AQI (US)
11th April 2026
35AQI (US)
35AQI (US)
12th April 2026
29AQI (US)
29AQI (US)
13th April 2026
30AQI (US)
30AQI (US)
14th April 2026
35AQI (US)
35AQI (US)
15th April 2026
37AQI (US)
37AQI (US)
16th April 2026
34AQI (US)
34AQI (US)
17th April 2026
38AQI (US)
38AQI (US)
18th April 2026
36AQI (US)
36AQI (US)
19th April 2026
34AQI (US)
34AQI (US)
20th April 2026
31AQI (US)
31AQI (US)
21st April 2026
45AQI (US)
45AQI (US)
22nd April 2026
28AQI (US)
28AQI (US)
23rd April 2026
15AQI (US)
15AQI (US)
24th April 2026
31AQI (US)
31AQI (US)
25th April 2026
53AQI (US)
53AQI (US)
26th April 2026
46AQI (US)
46AQI (US)
27th April 2026
42AQI (US)
42AQI (US)
28th April 2026
28AQI (US)
28AQI (US)
29th April 2026
16AQI (US)
16AQI (US)
30th April 2026
38AQI (US)
38AQI (US)
1st May 2026
39AQI (US)
39AQI (US)
2nd May 2026
44AQI (US)
44AQI (US)
3rd May 2026
47AQI (US)
47AQI (US)
4th May 2026
33AQI (US)
33AQI (US)
5th May 2026
18AQI (US)
18AQI (US)
6th May 2026
31AQI (US)
31AQI (US)
7th May 2026
29AQI (US)
29AQI (US)
8th May 2026
25AQI (US)
25AQI (US)
9th May 2026
21AQI (US)
21AQI (US)
10th May 2026
31AQI (US)
31AQI (US)
11th May 2026
28AQI (US)
28AQI (US)
12th May 2026
35AQI (US)
35AQI (US)
13th May 2026
39AQI (US)
39AQI (US)
14th May 2026
29AQI (US)
29AQI (US)
15th May 2026
32AQI (US)
32AQI (US)
16th May 2026
79AQI (US)
79AQI (US)
17th May 2026
68AQI (US)
68AQI (US)
18th May 2026
57AQI (US)
57AQI (US)
19th May 2026
54AQI (US)
54AQI (US)
20th May 2026
63AQI (US)
63AQI (US)
21st May 2026
65AQI (US)
65AQI (US)
22nd May 2026
78AQI (US)
78AQI (US)
23rd May 2026
69AQI (US)
69AQI (US)
24th May 2026
71AQI (US)
71AQI (US)
25th May 2026
66AQI (US)
66AQI (US)
26th May 2026
46AQI (US)
46AQI (US)
27th May 2026
28AQI (US)
28AQI (US)
28th May 2026
22AQI (US)
22AQI (US)
29th May 2026
12AQI (US)
12AQI (US)
30th May 2026
23AQI (US)
23AQI (US)
31st May 2026
24AQI (US)
24AQI (US)
1st June 2026
27AQI (US)
27AQI (US)
2nd June 2026
40AQI (US)
40AQI (US)
3rd June 2026
38AQI (US)
38AQI (US)
4th June 2026
22AQI (US)
22AQI (US)
5th June 2026
24AQI (US)
24AQI (US)
6th June 2026
20AQI (US)
20AQI (US)
7th June 2026
19AQI (US)
19AQI (US)
8th June 2026
20AQI (US)
20AQI (US)
9th June 2026
23AQI (US)
23AQI (US)
10th June 2026
21AQI (US)
21AQI (US)
11th June 2026
23AQI (US)
23AQI (US)
12th June 2026
22AQI (US)
22AQI (US)
13th June 2026
25AQI (US)
25AQI (US)
14th June 2026
23AQI (US)
23AQI (US)
15th June 2026
24AQI (US)
24AQI (US)
16th June 2026
25AQI (US)
25AQI (US)
17th June 2026
22AQI (US)
22AQI (US)
18th June 2026
26AQI (US)
26AQI (US)
19th June 2026
26AQI (US)
26AQI (US)
20th June 2026
20AQI (US)
20AQI (US)
21st June 2026
20AQI (US)
20AQI (US)
22nd June 2026
19AQI (US)
19AQI (US)
23rd June 2026
21AQI (US)
21AQI (US)
24th June 2026
21AQI (US)
21AQI (US)
25th June 2026
27AQI (US)
27AQI (US)
26th June 2026
28AQI (US)
28AQI (US)
27th June 2026
33AQI (US)
33AQI (US)
28th June 2026
24AQI (US)
24AQI (US)
29th June 2026
23AQI (US)
23AQI (US)
30th June 2026
21AQI (US)
21AQI (US)
1st July 2026
23AQI (US)
23AQI (US)
2nd July 2026
23AQI (US)
23AQI (US)
3rd July 2026
24AQI (US)
24AQI (US)
4th July 2026
25AQI (US)
25AQI (US)
5th July 2026
22AQI (US)
22AQI (US)
6th July 2026
22AQI (US)
22AQI (US)
7th July 2026
18AQI (US)
18AQI (US)
8th July 2026
23AQI (US)
23AQI (US)
9th July 2026
24AQI (US)
24AQI (US)
10th July 2026
26AQI (US)
26AQI (US)
11th July 2026
28AQI (US)
28AQI (US)
12th July 2026
25AQI (US)
25AQI (US)
13th July 2026
23AQI (US)
23AQI (US)
14th July 2026
26AQI (US)
26AQI (US)
15th July 2026
27AQI (US)
27AQI (US)
16th July 2026
22AQI (US)
22AQI (US)
17th July 2026
25AQI (US)
25AQI (US)
18th July 2026
26AQI (US)
26AQI (US)
19th July 2026
21AQI (US)
21AQI (US)
20th July 2026
25AQI (US)
25AQI (US)
21st July 2026
26AQI (US)
26AQI (US)
22nd July 2026
23AQI (US)
23AQI (US)
23rd July 2026
24AQI (US)
24AQI (US)
24th July 2026
27AQI (US)
27AQI (US)
25th July 2026
24AQI (US)
24AQI (US)
26th July 2026
23AQI (US)
23AQI (US)
27th July 2026
25AQI (US)
25AQI (US)
28th July 2026
25AQI (US)
25AQI (US)
29th July 2026
21AQI (US)
21AQI (US)
30th July 2026
16AQI (US)
16AQI (US)
31st July 2026
16AQI (US)
16AQI (US)
1st August 2026
17AQI (US)
17AQI (US)
2nd August 2026
22AQI (US)
22AQI (US)
3rd August 2026
24AQI (US)
24AQI (US)
4th August 2026
27AQI (US)
27AQI (US)
5th August 2026
31AQI (US)
31AQI (US)
6th August 2026
29AQI (US)
29AQI (US)
7th August 2026
31AQI (US)
31AQI (US)
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
29AQI (US)
36AQI (US)
52AQI (US)
35AQI (US)
42AQI (US)
24AQI (US)
23AQI (US)
26AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202634AQI (US)
31
24
4
14
17
26
4
21
10
30
31
7
184
35
Highest AQI (US) recorded in
March52AQI (US)
Lowest AQI (US) recorded in
July23AQI (US)
202534AQI (US)
30
1
28
30
1
30
30
1
29
1
31
31
30
27
4
24
6
31
351
14
Highest AQI (US) recorded in
July41AQI (US)
Lowest AQI (US) recorded in
September28AQI (US)
202435AQI (US)
30
1
27
2
28
3
22
8
25
6
26
4
19
11
31
30
31
29
1
31
329
36
Highest AQI (US) recorded in
April44AQI (US)
Lowest AQI (US) recorded in
December27AQI (US)
202336AQI (US)
30
26
2
24
7
21
9
26
5
27
3
24
7
29
2
30
31
26
1
31
325
36
Highest AQI (US) recorded in
April45AQI (US)
Lowest AQI (US) recorded in
December30AQI (US)
202232AQI (US)
30
18
3
30
1
15
2
24
7
28
2
18
5
2
26
2
31
30
30
1
282
23
Highest AQI (US) recorded in
April42AQI (US)
Lowest AQI (US) recorded in
August22AQI (US)
202130AQI (US)
29
2
27
1
27
3
1
29
1
30
1
30
27
4
28
3
30
31
29
1
31
348
16
1
Highest AQI (US) recorded in
August36AQI (US)
Lowest AQI (US) recorded in
December25AQI (US)
202024AQI (US)
12
1
21
18
29
1
31
29
2
19
31
27
1
30
1
247
6
Highest AQI (US) recorded in
March30AQI (US)
Lowest AQI (US) recorded in
November20AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2023(Avg.)
36AQI (US)Least Polluted Year Recorded
2020(Avg.)
24AQI (US)Otaru's annual 2026 AQI (US) (34) shows an average percentage change of 8.8% (worsened AQI (US)) compared to previous years: 2020 (24), 2021 (30), 2022 (32), 2023 (36), 2024 (35), 2025 (34).
