Muroran, 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
Muroran, Hokkaido, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2023
48AQILowest AQI recorded on
14th Aug 2024
12AQISame Day Analysis (5th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 24 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 4th Aug - 5th Aug 2026
Muroran, Hokkaido, Japan
AQI
Day
Night
.
4 AM4th Aug 2026
7 PM
3 AM5th Aug 2026
Day time
Avg. Highest Time
5PM4th Aug
34AQI
Avg. Lowest Time
10AM4th Aug
21AQI
Night time
Avg. Highest Time
1AM5th Aug
25AQI
Avg. Lowest Time
3AM5th Aug
21AQI
In the last 24 hours,
Muroran's AQI reached its highest point of 34 at 5 PM during the Day, while the lowest point, 21, was recorded at 3 AM during the Night between 4th Aug and 5th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Muroran, Hokkaido, Japan
JulAug
07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th
Day
Night
7th Jul 2026124 AMAQI
7th Jul 2026275 AMAQI
7th Jul 2026276 AMAQI
7th Jul 2026257 AMAQI
7th Jul 2026168 AMAQI
7th Jul 2026159 AMAQI
7th Jul 20261010 AMAQI
7th Jul 20261611 AMAQI
7th Jul 20262012 PMAQI
7th Jul 2026221 PMAQI
7th Jul 2026262 PMAQI
7th Jul 2026283 PMAQI
7th Jul 2026264 PMAQI
7th Jul 2026285 PMAQI
7th Jul 2026296 PMAQI
7th Jul 2026287 PMAQI
7th Jul 2026268 PMAQI
7th Jul 2026249 PMAQI
7th Jul 20261710 PMAQI
7th Jul 20261811 PMAQI
8th Jul 20262012 AMAQI
8th Jul 2026241 AMAQI
8th Jul 2026262 AMAQI
8th Jul 2026123 AMAQI
17°C16/20°C
8th Jul 2026184 AMAQI
8th Jul 2026175 AMAQI
8th Jul 2026126 AMAQI
8th Jul 2026227 AMAQI
8th Jul 2026278 AMAQI
8th Jul 2026249 AMAQI
8th Jul 20261610 AMAQI
8th Jul 20262411 AMAQI
8th Jul 20262212 PMAQI
8th Jul 2026201 PMAQI
8th Jul 202682 PMAQI
8th Jul 2026153 PMAQI
8th Jul 2026204 PMAQI
8th Jul 2026145 PMAQI
8th Jul 2026226 PMAQI
8th Jul 2026147 PMAQI
8th Jul 2026158 PMAQI
8th Jul 2026219 PMAQI
8th Jul 20262210 PMAQI
8th Jul 20261611 PMAQI
9th Jul 20261712 AMAQI
9th Jul 202691 AMAQI
9th Jul 2026122 AMAQI
9th Jul 202683 AMAQI
18°C16/20°C
9th Jul 2026184 AMAQI
9th Jul 2026205 AMAQI
9th Jul 2026246 AMAQI
9th Jul 2026247 AMAQI
9th Jul 2026238 AMAQI
9th Jul 2026209 AMAQI
9th Jul 2026910 AMAQI
9th Jul 20262011 AMAQI
9th Jul 20262212 PMAQI
9th Jul 2026241 PMAQI
9th Jul 2026182 PMAQI
9th Jul 202693 PMAQI
9th Jul 2026164 PMAQI
9th Jul 2026245 PMAQI
9th Jul 202686 PMAQI
9th Jul 202687 PMAQI
9th Jul 2026158 PMAQI
9th Jul 2026219 PMAQI
9th Jul 20262210 PMAQI
9th Jul 20262611 PMAQI
10th Jul 20262512 AMAQI
10th Jul 2026261 AMAQI
10th Jul 2026282 AMAQI
10th Jul 2026263 AMAQI
18°C16/18°C
10th Jul 2026264 AMAQI
10th Jul 2026285 AMAQI
10th Jul 2026286 AMAQI
10th Jul 2026177 AMAQI
10th Jul 2026228 AMAQI
10th Jul 2026259 AMAQI
10th Jul 20262810 AMAQI
10th Jul 20262511 AMAQI
10th Jul 20262812 PMAQI
10th Jul 2026241 PMAQI
10th Jul 2026242 PMAQI
10th Jul 2026263 PMAQI
10th Jul 2026264 PMAQI
10th Jul 2026305 PMAQI
10th Jul 2026306 PMAQI
10th Jul 2026287 PMAQI
10th Jul 2026178 PMAQI
10th Jul 2026269 PMAQI
10th Jul 20263010 PMAQI
10th Jul 20263111 PMAQI
11th Jul 20263212 AMAQI
11th Jul 2026341 AMAQI
11th Jul 2026312 AMAQI
11th Jul 2026313 AMAQI
19°C18/21°C
11th Jul 2026274 AMAQI
11th Jul 2026315 AMAQI
11th Jul 2026346 AMAQI
11th Jul 2026337 AMAQI
11th Jul 2026328 AMAQI
11th Jul 2026379 AMAQI
11th Jul 20263910 AMAQI
11th Jul 20263011 AMAQI
11th Jul 20263612 PMAQI
11th Jul 2026321 PMAQI
11th Jul 2026262 PMAQI
11th Jul 2026233 PMAQI
11th Jul 2026254 PMAQI
11th Jul 2026305 PMAQI
11th Jul 2026286 PMAQI
11th Jul 2026177 PMAQI
11th Jul 2026248 PMAQI
11th Jul 2026269 PMAQI
11th Jul 20262610 PMAQI
11th Jul 20262811 PMAQI
12th Jul 20263012 AMAQI
12th Jul 2026281 AMAQI
12th Jul 2026282 AMAQI
12th Jul 2026183 AMAQI
19°C18/20°C
12th Jul 2026284 AMAQI
12th Jul 2026305 AMAQI
12th Jul 2026286 AMAQI
12th Jul 2026257 AMAQI
12th Jul 2026228 AMAQI
12th Jul 2026289 AMAQI
12th Jul 20263110 AMAQI
12th Jul 20262811 AMAQI
12th Jul 20262812 PMAQI
12th Jul 2026271 PMAQI
12th Jul 2026252 PMAQI
12th Jul 2026263 PMAQI
12th Jul 2026224 PMAQI
12th Jul 2026265 PMAQI
12th Jul 2026276 PMAQI
12th Jul 2026297 PMAQI
12th Jul 2026298 PMAQI
12th Jul 2026309 PMAQI
12th Jul 20262810 PMAQI
12th Jul 20261611 PMAQI
13th Jul 20262812 AMAQI
13th Jul 2026281 AMAQI
13th Jul 2026272 AMAQI
13th Jul 2026283 AMAQI
20°C19/22°C
13th Jul 2026264 AMAQI
13th Jul 2026325 AMAQI
13th Jul 2026306 AMAQI
13th Jul 2026167 AMAQI
13th Jul 2026168 AMAQI
13th Jul 2026279 AMAQI
13th Jul 20262610 AMAQI
13th Jul 20262411 AMAQI
13th Jul 20262412 PMAQI
13th Jul 2026201 PMAQI
13th Jul 2026192 PMAQI
13th Jul 2026193 PMAQI
13th Jul 2026224 PMAQI
13th Jul 2026205 PMAQI
13th Jul 2026266 PMAQI
13th Jul 2026287 PMAQI
13th Jul 2026188 PMAQI
13th Jul 202689 PMAQI
13th Jul 20261810 PMAQI
13th Jul 20263011 PMAQI
14th Jul 20262012 AMAQI
14th Jul 2026301 AMAQI
14th Jul 2026292 AMAQI
14th Jul 2026283 AMAQI
20°C18/23°C
14th Jul 2026254 AMAQI
14th Jul 2026295 AMAQI
14th Jul 2026266 AMAQI
14th Jul 2026257 AMAQI
14th Jul 2026248 AMAQI
14th Jul 2026299 AMAQI
14th Jul 20263010 AMAQI
14th Jul 20262411 AMAQI
14th Jul 20262112 PMAQI
14th Jul 2026191 PMAQI
14th Jul 2026192 PMAQI
14th Jul 2026203 PMAQI
14th Jul 2026214 PMAQI
14th Jul 2026225 PMAQI
14th Jul 2026296 PMAQI
14th Jul 2026287 PMAQI
14th Jul 2026288 PMAQI
14th Jul 2026289 PMAQI
14th Jul 20263010 PMAQI
14th Jul 20263211 PMAQI
15th Jul 20263012 AMAQI
15th Jul 2026321 AMAQI
15th Jul 2026302 AMAQI
15th Jul 2026273 AMAQI
19°C19/20°C
15th Jul 2026244 AMAQI
15th Jul 2026285 AMAQI
15th Jul 2026266 AMAQI
15th Jul 2026297 AMAQI
15th Jul 2026308 AMAQI
15th Jul 2026289 AMAQI
15th Jul 20263210 AMAQI
15th Jul 20263011 AMAQI
15th Jul 20262412 PMAQI
15th Jul 2026201 PMAQI
15th Jul 2026182 PMAQI
15th Jul 2026163 PMAQI
15th Jul 2026194 PMAQI
15th Jul 2026225 PMAQI
15th Jul 2026246 PMAQI
15th Jul 2026227 PMAQI
15th Jul 2026248 PMAQI
15th Jul 2026229 PMAQI
15th Jul 20262510 PMAQI
15th Jul 20262411 PMAQI
16th Jul 20262412 AMAQI
16th Jul 2026221 AMAQI
16th Jul 2026262 AMAQI
16th Jul 2026283 AMAQI
20°C19/22°C
16th Jul 2026244 AMAQI
16th Jul 2026245 AMAQI
16th Jul 2026166 AMAQI
16th Jul 2026127 AMAQI
16th Jul 2026138 AMAQI
16th Jul 2026229 AMAQI
16th Jul 20261710 AMAQI
16th Jul 20261811 AMAQI
16th Jul 20262012 PMAQI
16th Jul 2026221 PMAQI
16th Jul 2026202 PMAQI
16th Jul 2026203 PMAQI
16th Jul 2026194 PMAQI
16th Jul 2026225 PMAQI
16th Jul 2026256 PMAQI
16th Jul 2026187 PMAQI
16th Jul 2026238 PMAQI
16th Jul 2026189 PMAQI
16th Jul 20262410 PMAQI
16th Jul 20262711 PMAQI
17th Jul 20262712 AMAQI
17th Jul 2026261 AMAQI
17th Jul 2026262 AMAQI
17th Jul 2026253 AMAQI
21°C19/24°C
17th Jul 2026264 AMAQI
17th Jul 2026265 AMAQI
17th Jul 2026256 AMAQI
17th Jul 2026287 AMAQI
17th Jul 2026248 AMAQI
17th Jul 2026249 AMAQI
17th Jul 20262610 AMAQI
17th Jul 20262511 AMAQI
17th Jul 20262512 PMAQI
17th Jul 2026221 PMAQI
17th Jul 2026222 PMAQI
17th Jul 2026213 PMAQI
17th Jul 2026284 PMAQI
17th Jul 2026275 PMAQI
17th Jul 2026346 PMAQI
17th Jul 2026367 PMAQI
17th Jul 2026368 PMAQI
17th Jul 2026369 PMAQI
17th Jul 20262910 PMAQI
17th Jul 20262511 PMAQI
18th Jul 20263112 AMAQI
18th Jul 2026331 AMAQI
18th Jul 2026212 AMAQI
18th Jul 2026293 AMAQI
20°C18/22°C
18th Jul 2026334 AMAQI
18th Jul 2026385 AMAQI
18th Jul 2026316 AMAQI
18th Jul 2026297 AMAQI
18th Jul 2026348 AMAQI
18th Jul 2026319 AMAQI
18th Jul 20262910 AMAQI
18th Jul 20263111 AMAQI
18th Jul 20263112 PMAQI
18th Jul 2026271 PMAQI
18th Jul 2026252 PMAQI
18th Jul 2026253 PMAQI
18th Jul 2026334 PMAQI
18th Jul 2026295 PMAQI
18th Jul 2026266 PMAQI
18th Jul 2026257 PMAQI
18th Jul 2026228 PMAQI
18th Jul 2026229 PMAQI
18th Jul 20265710 PMAQI
18th Jul 20262511 PMAQI
19th Jul 20262712 AMAQI
19th Jul 2026261 AMAQI
19th Jul 2026252 AMAQI
19th Jul 2026203 AMAQI
19°C18/19°C
19th Jul 2026204 AMAQI
19th Jul 2026225 AMAQI
19th Jul 2026256 AMAQI
19th Jul 2026277 AMAQI
19th Jul 2026308 AMAQI
19th Jul 2026279 AMAQI
19th Jul 20262510 AMAQI
19th Jul 20262511 AMAQI
19th Jul 20262412 PMAQI
19th Jul 2026291 PMAQI
19th Jul 2026262 PMAQI
19th Jul 2026233 PMAQI
19th Jul 2026264 PMAQI
19th Jul 2026295 PMAQI
19th Jul 2026296 PMAQI
19th Jul 2026217 PMAQI
19th Jul 2026218 PMAQI
19th Jul 2026239 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20262511 PMAQI
20th Jul 20262812 AMAQI
20th Jul 2026251 AMAQI
20th Jul 2026272 AMAQI
20th Jul 2026343 AMAQI
19°C19/20°C
20th Jul 2026404 AMAQI
20th Jul 2026285 AMAQI
20th Jul 2026376 AMAQI
20th Jul 2026327 AMAQI
20th Jul 2026248 AMAQI
20th Jul 2026219 AMAQI
20th Jul 20262110 AMAQI
20th Jul 20262511 AMAQI
20th Jul 20263312 PMAQI
20th Jul 2026401 PMAQI
20th Jul 2026252 PMAQI
20th Jul 2026293 PMAQI
20th Jul 2026254 PMAQI
20th Jul 2026255 PMAQI
20th Jul 2026296 PMAQI
20th Jul 2026297 PMAQI
20th Jul 2026298 PMAQI
20th Jul 2026219 PMAQI
20th Jul 20262110 PMAQI
20th Jul 20262211 PMAQI
21st Jul 20262212 AMAQI
21st Jul 2026231 AMAQI
21st Jul 2026212 AMAQI
21st Jul 2026233 AMAQI
21°C19/24°C
21st Jul 2026234 AMAQI
21st Jul 2026215 AMAQI
21st Jul 2026256 AMAQI
21st Jul 2026217 AMAQI
21st Jul 2026208 AMAQI
21st Jul 2026209 AMAQI
21st Jul 20262110 AMAQI
21st Jul 20262011 AMAQI
21st Jul 2026181 PMAQI
21st Jul 2026252 PMAQI
21st Jul 2026233 PMAQI
21st Jul 2026204 PMAQI
21st Jul 2026245 PMAQI
21st Jul 2026216 PMAQI
21st Jul 2026767 PMAQI
21st Jul 2026228 PMAQI
21st Jul 2026239 PMAQI
21st Jul 20262510 PMAQI
21st Jul 20262511 PMAQI
22nd Jul 20262512 AMAQI
22nd Jul 2026231 AMAQI
22nd Jul 2026262 AMAQI
22nd Jul 2026233 AMAQI
21°C19/25°C
22nd Jul 2026254 AMAQI
22nd Jul 2026295 AMAQI
22nd Jul 2026296 AMAQI
22nd Jul 2026297 AMAQI
22nd Jul 2026298 AMAQI
22nd Jul 2026259 AMAQI
22nd Jul 20262110 AMAQI
22nd Jul 20262311 AMAQI
22nd Jul 20262512 PMAQI
22nd Jul 2026361 PMAQI
22nd Jul 2026252 PMAQI
22nd Jul 2026313 PMAQI
22nd Jul 2026294 PMAQI
22nd Jul 2026295 PMAQI
22nd Jul 2026236 PMAQI
22nd Jul 2026297 PMAQI
22nd Jul 2026278 PMAQI
22nd Jul 2026239 PMAQI
22nd Jul 20262910 PMAQI
22nd Jul 20262711 PMAQI
23rd Jul 20262512 AMAQI
23rd Jul 2026221 AMAQI
23rd Jul 2026242 AMAQI
23rd Jul 2026233 AMAQI
19°C19/19°C
23rd Jul 2026234 AMAQI
23rd Jul 2026235 AMAQI
23rd Jul 2026216 AMAQI
23rd Jul 2026257 AMAQI
23rd Jul 2026298 AMAQI
23rd Jul 2026279 AMAQI
23rd Jul 20262110 AMAQI
23rd Jul 20262111 AMAQI
23rd Jul 20262212 PMAQI
23rd Jul 2026221 PMAQI
23rd Jul 2026212 PMAQI
23rd Jul 2026223 PMAQI
23rd Jul 2026284 PMAQI
23rd Jul 2026215 PMAQI
23rd Jul 2026236 PMAQI
23rd Jul 2026267 PMAQI
23rd Jul 2026288 PMAQI
23rd Jul 2026289 PMAQI
23rd Jul 20262910 PMAQI
23rd Jul 20263111 PMAQI
24th Jul 20263012 AMAQI
24th Jul 2026321 AMAQI
24th Jul 2026322 AMAQI
24th Jul 2026313 AMAQI
20°C18/22°C
24th Jul 2026344 AMAQI
24th Jul 2026325 AMAQI
24th Jul 2026276 AMAQI
24th Jul 2026267 AMAQI
24th Jul 2026268 AMAQI
24th Jul 2026279 AMAQI
24th Jul 20262610 AMAQI
24th Jul 20262411 AMAQI
24th Jul 20262512 PMAQI
24th Jul 2026231 PMAQI
24th Jul 2026232 PMAQI
24th Jul 2026263 PMAQI
24th Jul 2026244 PMAQI
24th Jul 2026225 PMAQI
24th Jul 2026326 PMAQI
24th Jul 2026247 PMAQI
24th Jul 2026268 PMAQI
24th Jul 2026319 PMAQI
24th Jul 20262710 PMAQI
24th Jul 20262111 PMAQI
25th Jul 20262412 AMAQI
25th Jul 2026251 AMAQI
25th Jul 2026232 AMAQI
25th Jul 2026253 AMAQI
19°C17/20°C
25th Jul 2026234 AMAQI
25th Jul 2026235 AMAQI
25th Jul 2026256 AMAQI
25th Jul 2026307 AMAQI
25th Jul 2026248 AMAQI
25th Jul 2026239 AMAQI
25th Jul 20262510 AMAQI
25th Jul 20262911 AMAQI
25th Jul 20262212 PMAQI
25th Jul 2026231 PMAQI
25th Jul 2026272 PMAQI
25th Jul 2026293 PMAQI
25th Jul 2026244 PMAQI
25th Jul 2026265 PMAQI
25th Jul 2026216 PMAQI
25th Jul 2026337 PMAQI
25th Jul 2026298 PMAQI
25th Jul 2026239 PMAQI
25th Jul 20262710 PMAQI
25th Jul 20262511 PMAQI
26th Jul 20262312 AMAQI
26th Jul 2026211 AMAQI
26th Jul 2026232 AMAQI
26th Jul 2026233 AMAQI
17°C17/18°C
26th Jul 2026254 AMAQI
26th Jul 2026275 AMAQI
26th Jul 2026236 AMAQI
26th Jul 2026217 AMAQI
26th Jul 2026218 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20262910 AMAQI
26th Jul 20263211 AMAQI
26th Jul 20263512 PMAQI
26th Jul 2026341 PMAQI
26th Jul 2026302 PMAQI
26th Jul 2026233 PMAQI
26th Jul 2026234 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026256 PMAQI
26th Jul 2026217 PMAQI
26th Jul 2026258 PMAQI
26th Jul 2026239 PMAQI
26th Jul 20262310 PMAQI
26th Jul 20262311 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026211 AMAQI
27th Jul 2026232 AMAQI
27th Jul 2026233 AMAQI
17°C16/18°C
27th Jul 2026254 AMAQI
27th Jul 2026235 AMAQI
27th Jul 2026236 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026258 AMAQI
27th Jul 2026319 AMAQI
27th Jul 20262910 AMAQI
27th Jul 20263011 AMAQI
27th Jul 20263012 PMAQI
27th Jul 2026291 PMAQI
27th Jul 2026272 PMAQI
27th Jul 2026263 PMAQI
27th Jul 2026284 PMAQI
27th Jul 2026275 PMAQI
27th Jul 2026276 PMAQI
27th Jul 2026277 PMAQI
27th Jul 2026258 PMAQI
27th Jul 2026259 PMAQI
27th Jul 20262310 PMAQI
27th Jul 20262311 PMAQI
28th Jul 20262512 AMAQI
28th Jul 2026231 AMAQI
28th Jul 2026212 AMAQI
28th Jul 2026253 AMAQI
18°C16/20°C
28th Jul 2026254 AMAQI
28th Jul 2026275 AMAQI
28th Jul 2026276 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026278 AMAQI
28th Jul 2026299 AMAQI
28th Jul 20263210 AMAQI
28th Jul 20263811 AMAQI
28th Jul 20263812 PMAQI
28th Jul 2026331 PMAQI
28th Jul 2026362 PMAQI
28th Jul 2026333 PMAQI
28th Jul 2026334 PMAQI
28th Jul 2026315 PMAQI
28th Jul 2026296 PMAQI
28th Jul 2026277 PMAQI
28th Jul 2026258 PMAQI
28th Jul 2026279 PMAQI
28th Jul 20262710 PMAQI
28th Jul 20262511 PMAQI
29th Jul 20262312 AMAQI
29th Jul 2026231 AMAQI
29th Jul 2026272 AMAQI
29th Jul 2026313 AMAQI
18°C17/19°C
29th Jul 2026314 AMAQI
29th Jul 2026295 AMAQI
29th Jul 2026236 AMAQI
29th Jul 2026257 AMAQI
29th Jul 2026258 AMAQI
29th Jul 2026259 AMAQI
29th Jul 20262510 AMAQI
29th Jul 20262511 AMAQI
29th Jul 20262812 PMAQI
29th Jul 2026311 PMAQI
29th Jul 2026272 PMAQI
29th Jul 2026273 PMAQI
29th Jul 2026294 PMAQI
29th Jul 2026275 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026257 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026259 PMAQI
29th Jul 20262710 PMAQI
29th Jul 20262711 PMAQI
30th Jul 20262512 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026212 AMAQI
30th Jul 2026223 AMAQI
18°C18/19°C
30th Jul 2026254 AMAQI
30th Jul 2026255 AMAQI
30th Jul 2026256 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026238 AMAQI
30th Jul 2026249 AMAQI
30th Jul 20262610 AMAQI
30th Jul 20262511 AMAQI
30th Jul 20262512 PMAQI
30th Jul 2026251 PMAQI
30th Jul 2026232 PMAQI
30th Jul 2026233 PMAQI
30th Jul 2026234 PMAQI
30th Jul 2026215 PMAQI
30th Jul 2026336 PMAQI
30th Jul 2026307 PMAQI
30th Jul 2026258 PMAQI
30th Jul 2026259 PMAQI
30th Jul 20262510 PMAQI
30th Jul 20262711 PMAQI
31st Jul 20262912 AMAQI
31st Jul 2026291 AMAQI
31st Jul 2026272 AMAQI
31st Jul 2026273 AMAQI
18°C18/19°C
31st Jul 2026274 AMAQI
31st Jul 2026255 AMAQI
31st Jul 2026236 AMAQI
31st Jul 2026257 AMAQI
31st Jul 2026258 AMAQI
31st Jul 2026239 AMAQI
31st Jul 20262310 AMAQI
31st Jul 20262511 AMAQI
31st Jul 20262512 PMAQI
31st Jul 2026251 PMAQI
31st Jul 2026262 PMAQI
31st Jul 2026253 PMAQI
31st Jul 2026224 PMAQI
31st Jul 2026255 PMAQI
31st Jul 2026236 PMAQI
31st Jul 2026257 PMAQI
31st Jul 2026258 PMAQI
31st Jul 2026239 PMAQI
31st Jul 20262310 PMAQI
31st Jul 20262511 PMAQI
1st Aug 20262312 AMAQI
1st Aug 2026231 AMAQI
1st Aug 2026392 AMAQI
1st Aug 2026353 AMAQI
19°C18/21°C
1st Aug 2026254 AMAQI
1st Aug 2026225 AMAQI
1st Aug 2026226 AMAQI
1st Aug 2026237 AMAQI
1st Aug 2026258 AMAQI
1st Aug 2026239 AMAQI
1st Aug 20262710 AMAQI
1st Aug 20262911 AMAQI
1st Aug 20262912 PMAQI
1st Aug 2026311 PMAQI
1st Aug 2026312 PMAQI
1st Aug 2026273 PMAQI
1st Aug 2026264 PMAQI
1st Aug 2026275 PMAQI
1st Aug 2026256 PMAQI
1st Aug 2026277 PMAQI
1st Aug 2026278 PMAQI
1st Aug 2026279 PMAQI
1st Aug 20262310 PMAQI
1st Aug 20262211 PMAQI
2nd Aug 20262112 AMAQI
2nd Aug 2026211 AMAQI
2nd Aug 2026232 AMAQI
2nd Aug 2026283 AMAQI
18°C17/18°C
2nd Aug 2026234 AMAQI
2nd Aug 2026215 AMAQI
2nd Aug 2026206 AMAQI
2nd Aug 2026227 AMAQI
2nd Aug 2026248 AMAQI
2nd Aug 2026239 AMAQI
2nd Aug 20262210 AMAQI
2nd Aug 20262511 AMAQI
2nd Aug 20262212 PMAQI
2nd Aug 2026211 PMAQI
2nd Aug 2026212 PMAQI
2nd Aug 2026213 PMAQI
2nd Aug 2026244 PMAQI
2nd Aug 2026225 PMAQI
2nd Aug 2026226 PMAQI
2nd Aug 2026247 PMAQI
2nd Aug 2026238 PMAQI
2nd Aug 2026259 PMAQI
2nd Aug 20262810 PMAQI
2nd Aug 20262511 PMAQI
3rd Aug 20262512 AMAQI
3rd Aug 2026251 AMAQI
3rd Aug 2026272 AMAQI
3rd Aug 2026293 AMAQI
18°C16/21°C
3rd Aug 2026254 AMAQI
3rd Aug 2026295 AMAQI
3rd Aug 2026256 AMAQI
3rd Aug 2026277 AMAQI
3rd Aug 2026258 AMAQI
3rd Aug 2026259 AMAQI
3rd Aug 20262510 AMAQI
3rd Aug 20262311 AMAQI
3rd Aug 20262512 PMAQI
3rd Aug 2026281 PMAQI
3rd Aug 2026272 PMAQI
3rd Aug 2026253 PMAQI
3rd Aug 2026234 PMAQI
3rd Aug 2026255 PMAQI
3rd Aug 2026256 PMAQI
3rd Aug 2026257 PMAQI
3rd Aug 2026258 PMAQI
3rd Aug 2026259 PMAQI
3rd Aug 20262510 PMAQI
3rd Aug 20262711 PMAQI
4th Aug 20262712 AMAQI
4th Aug 2026251 AMAQI
4th Aug 2026252 AMAQI
4th Aug 2026233 AMAQI
18°C16/21°C
4th Aug 2026274 AMAQI
4th Aug 2026235 AMAQI
4th Aug 2026236 AMAQI
4th Aug 2026237 AMAQI
4th Aug 2026218 AMAQI
4th Aug 2026259 AMAQI
4th Aug 20262110 AMAQI
4th Aug 20262311 AMAQI
4th Aug 20262512 PMAQI
4th Aug 2026271 PMAQI
4th Aug 2026292 PMAQI
4th Aug 2026293 PMAQI
4th Aug 2026304 PMAQI
4th Aug 2026345 PMAQI
4th Aug 2026276 PMAQI
4th Aug 2026237 PMAQI
4th Aug 2026218 PMAQI
4th Aug 2026219 PMAQI
4th Aug 20262110 PMAQI
4th Aug 20262111 PMAQI
5th Aug 20262312 AMAQI
5th Aug 2026251 AMAQI
5th Aug 2026252 AMAQI
5th Aug 2026213 AMAQI
19°C17/21°C
5th Aug 2026254 AMAQI
4 AM5th Aug 2026215 AMAQI
5th Aug 2026256 AMAQI
5th Aug 2026277 AMAQI
5th Aug 2026238 AMAQI
5th Aug 2026279 AMAQI
5th Aug 20262510 AMAQI
5th Aug 20262511 AMAQI
11 AM5th Aug 20262512 PMAQI
5th Aug 2026251 PMAQI
5th Aug 2026252 PMAQI
5th Aug 2026253 PMAQI
5th Aug 2026244 PMAQI
5th Aug 2026265 PMAQI
5th Aug 2026216 PMAQI
5th Aug 2026257 PMAQI
7 PM5th Aug 2026258 PMAQI
5th Aug 2026259 PMAQI
5th Aug 20262910 PMAQI
5th Aug 20262111 PMAQI
11 PM3 AM
19°C17/22°C
Day time
Avg. Highest Time
7 PM
27AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
8 AM
24AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 7 PM (Avg. 27), while the lowest AQI was between 8 AM to 8 AM (Avg. 24).
Night time
Avg. Highest Time
2 AM
26AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
8 PM - 9 PM
24AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 2 AM (Avg. 26), while the lowest AQI was between 8 PM to 9 PM (Avg. 24).
2026 Days Vs Air Quality
Muroran, Hokkaido, Japan
2026
86%
186
14%
31
Total number of days with different AQI categories in last 217 days in 2026 (148 days remaining)
Good
186 DaysModerate
31 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2026, 86% of 217 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Muroran, 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
23AQI (US)
23AQI (US)
2nd January 2026
21AQI (US)
21AQI (US)
3rd January 2026
16AQI (US)
16AQI (US)
4th January 2026
24AQI (US)
24AQI (US)
5th January 2026
28AQI (US)
28AQI (US)
6th January 2026
23AQI (US)
23AQI (US)
7th January 2026
24AQI (US)
24AQI (US)
8th January 2026
28AQI (US)
28AQI (US)
9th January 2026
23AQI (US)
23AQI (US)
10th January 2026
25AQI (US)
25AQI (US)
11th January 2026
28AQI (US)
28AQI (US)
12th January 2026
18AQI (US)
18AQI (US)
13th January 2026
25AQI (US)
25AQI (US)
14th January 2026
31AQI (US)
31AQI (US)
15th January 2026
28AQI (US)
28AQI (US)
16th January 2026
32AQI (US)
32AQI (US)
17th January 2026
29AQI (US)
29AQI (US)
18th January 2026
28AQI (US)
28AQI (US)
19th January 2026
24AQI (US)
24AQI (US)
20th January 2026
32AQI (US)
32AQI (US)
21st January 2026
20AQI (US)
20AQI (US)
22nd January 2026
20AQI (US)
20AQI (US)
23rd January 2026
36AQI (US)
36AQI (US)
24th January 2026
32AQI (US)
32AQI (US)
25th January 2026
42AQI (US)
42AQI (US)
26th January 2026
37AQI (US)
37AQI (US)
27th January 2026
30AQI (US)
30AQI (US)
28th January 2026
28AQI (US)
28AQI (US)
29th January 2026
28AQI (US)
28AQI (US)
30th January 2026
39AQI (US)
39AQI (US)
31st January 2026
44AQI (US)
44AQI (US)
1st February 2026
32AQI (US)
32AQI (US)
2nd February 2026
36AQI (US)
36AQI (US)
3rd February 2026
27AQI (US)
27AQI (US)
4th February 2026
39AQI (US)
39AQI (US)
5th February 2026
32AQI (US)
32AQI (US)
6th February 2026
33AQI (US)
33AQI (US)
7th February 2026
22AQI (US)
22AQI (US)
8th February 2026
22AQI (US)
22AQI (US)
9th February 2026
43AQI (US)
43AQI (US)
10th February 2026
50AQI (US)
50AQI (US)
11th February 2026
64AQI (US)
64AQI (US)
12th February 2026
23AQI (US)
23AQI (US)
13th February 2026
18AQI (US)
18AQI (US)
14th February 2026
62AQI (US)
62AQI (US)
15th February 2026
52AQI (US)
52AQI (US)
16th February 2026
30AQI (US)
30AQI (US)
17th February 2026
22AQI (US)
22AQI (US)
18th February 2026
18AQI (US)
18AQI (US)
19th February 2026
32AQI (US)
32AQI (US)
20th February 2026
32AQI (US)
32AQI (US)
21st February 2026
44AQI (US)
44AQI (US)
22nd February 2026
41AQI (US)
41AQI (US)
23rd February 2026
40AQI (US)
40AQI (US)
24th February 2026
24AQI (US)
24AQI (US)
25th February 2026
32AQI (US)
32AQI (US)
26th February 2026
34AQI (US)
34AQI (US)
27th February 2026
31AQI (US)
31AQI (US)
28th February 2026
42AQI (US)
42AQI (US)
1st March 2026
39AQI (US)
39AQI (US)
2nd March 2026
77AQI (US)
77AQI (US)
3rd March 2026
50AQI (US)
50AQI (US)
4th March 2026
62AQI (US)
62AQI (US)
5th March 2026
64AQI (US)
64AQI (US)
6th March 2026
54AQI (US)
54AQI (US)
7th March 2026
48AQI (US)
48AQI (US)
8th March 2026
52AQI (US)
52AQI (US)
9th March 2026
46AQI (US)
46AQI (US)
10th March 2026
55AQI (US)
55AQI (US)
11th March 2026
54AQI (US)
54AQI (US)
12th March 2026
67AQI (US)
67AQI (US)
13th March 2026
45AQI (US)
45AQI (US)
14th March 2026
47AQI (US)
47AQI (US)
15th March 2026
63AQI (US)
63AQI (US)
16th March 2026
42AQI (US)
42AQI (US)
17th March 2026
38AQI (US)
38AQI (US)
18th March 2026
48AQI (US)
48AQI (US)
19th March 2026
44AQI (US)
44AQI (US)
20th March 2026
36AQI (US)
36AQI (US)
21st March 2026
39AQI (US)
39AQI (US)
22nd March 2026
48AQI (US)
48AQI (US)
23rd March 2026
58AQI (US)
58AQI (US)
24th March 2026
58AQI (US)
58AQI (US)
25th March 2026
44AQI (US)
44AQI (US)
26th March 2026
27AQI (US)
27AQI (US)
27th March 2026
20AQI (US)
20AQI (US)
28th March 2026
48AQI (US)
48AQI (US)
29th March 2026
66AQI (US)
66AQI (US)
30th March 2026
72AQI (US)
72AQI (US)
31st March 2026
78AQI (US)
78AQI (US)
1st April 2026
35AQI (US)
35AQI (US)
2nd April 2026
29AQI (US)
29AQI (US)
3rd April 2026
50AQI (US)
50AQI (US)
4th April 2026
57AQI (US)
57AQI (US)
5th April 2026
27AQI (US)
27AQI (US)
6th April 2026
20AQI (US)
20AQI (US)
7th April 2026
24AQI (US)
24AQI (US)
8th April 2026
24AQI (US)
24AQI (US)
9th April 2026
36AQI (US)
36AQI (US)
10th April 2026
52AQI (US)
52AQI (US)
11th April 2026
34AQI (US)
34AQI (US)
12th April 2026
26AQI (US)
26AQI (US)
13th April 2026
31AQI (US)
31AQI (US)
14th April 2026
37AQI (US)
37AQI (US)
15th April 2026
38AQI (US)
38AQI (US)
16th April 2026
38AQI (US)
38AQI (US)
17th April 2026
40AQI (US)
40AQI (US)
18th April 2026
36AQI (US)
36AQI (US)
19th April 2026
38AQI (US)
38AQI (US)
20th April 2026
34AQI (US)
34AQI (US)
21st April 2026
48AQI (US)
48AQI (US)
22nd April 2026
48AQI (US)
48AQI (US)
23rd April 2026
14AQI (US)
14AQI (US)
24th April 2026
20AQI (US)
20AQI (US)
25th April 2026
52AQI (US)
52AQI (US)
26th April 2026
50AQI (US)
50AQI (US)
27th April 2026
34AQI (US)
34AQI (US)
28th April 2026
14AQI (US)
14AQI (US)
29th April 2026
17AQI (US)
17AQI (US)
30th April 2026
37AQI (US)
37AQI (US)
1st May 2026
39AQI (US)
39AQI (US)
2nd May 2026
43AQI (US)
43AQI (US)
3rd May 2026
44AQI (US)
44AQI (US)
4th May 2026
32AQI (US)
32AQI (US)
5th May 2026
18AQI (US)
18AQI (US)
6th May 2026
30AQI (US)
30AQI (US)
7th May 2026
28AQI (US)
28AQI (US)
8th May 2026
26AQI (US)
26AQI (US)
9th May 2026
20AQI (US)
20AQI (US)
10th May 2026
32AQI (US)
32AQI (US)
11th May 2026
28AQI (US)
28AQI (US)
12th May 2026
36AQI (US)
36AQI (US)
13th May 2026
41AQI (US)
41AQI (US)
14th May 2026
31AQI (US)
31AQI (US)
15th May 2026
34AQI (US)
34AQI (US)
16th May 2026
78AQI (US)
78AQI (US)
17th May 2026
68AQI (US)
68AQI (US)
18th May 2026
56AQI (US)
56AQI (US)
19th May 2026
54AQI (US)
54AQI (US)
20th May 2026
64AQI (US)
64AQI (US)
21st May 2026
66AQI (US)
66AQI (US)
22nd May 2026
74AQI (US)
74AQI (US)
23rd May 2026
70AQI (US)
70AQI (US)
24th May 2026
71AQI (US)
71AQI (US)
25th May 2026
65AQI (US)
65AQI (US)
26th May 2026
46AQI (US)
46AQI (US)
27th May 2026
36AQI (US)
36AQI (US)
28th May 2026
9AQI (US)
9AQI (US)
29th May 2026
15AQI (US)
15AQI (US)
30th May 2026
22AQI (US)
22AQI (US)
31st May 2026
26AQI (US)
26AQI (US)
1st June 2026
34AQI (US)
34AQI (US)
2nd June 2026
56AQI (US)
56AQI (US)
3rd June 2026
47AQI (US)
47AQI (US)
4th June 2026
20AQI (US)
20AQI (US)
5th June 2026
22AQI (US)
22AQI (US)
6th June 2026
21AQI (US)
21AQI (US)
7th June 2026
20AQI (US)
20AQI (US)
8th June 2026
20AQI (US)
20AQI (US)
9th June 2026
22AQI (US)
22AQI (US)
10th June 2026
21AQI (US)
21AQI (US)
11th June 2026
23AQI (US)
23AQI (US)
12th June 2026
20AQI (US)
20AQI (US)
13th June 2026
24AQI (US)
24AQI (US)
14th June 2026
23AQI (US)
23AQI (US)
15th June 2026
22AQI (US)
22AQI (US)
16th June 2026
36AQI (US)
36AQI (US)
17th June 2026
26AQI (US)
26AQI (US)
18th June 2026
20AQI (US)
20AQI (US)
19th June 2026
10AQI (US)
10AQI (US)
20th June 2026
18AQI (US)
18AQI (US)
21st June 2026
20AQI (US)
20AQI (US)
22nd June 2026
19AQI (US)
19AQI (US)
23rd June 2026
22AQI (US)
22AQI (US)
24th June 2026
21AQI (US)
21AQI (US)
25th June 2026
26AQI (US)
26AQI (US)
26th June 2026
27AQI (US)
27AQI (US)
27th June 2026
26AQI (US)
26AQI (US)
28th June 2026
26AQI (US)
26AQI (US)
29th June 2026
24AQI (US)
24AQI (US)
30th June 2026
22AQI (US)
22AQI (US)
1st July 2026
27AQI (US)
27AQI (US)
2nd July 2026
18AQI (US)
18AQI (US)
3rd July 2026
22AQI (US)
22AQI (US)
4th July 2026
23AQI (US)
23AQI (US)
5th July 2026
22AQI (US)
22AQI (US)
6th July 2026
22AQI (US)
22AQI (US)
7th July 2026
22AQI (US)
22AQI (US)
8th July 2026
19AQI (US)
19AQI (US)
9th July 2026
18AQI (US)
18AQI (US)
10th July 2026
26AQI (US)
26AQI (US)
11th July 2026
30AQI (US)
30AQI (US)
12th July 2026
26AQI (US)
26AQI (US)
13th July 2026
23AQI (US)
23AQI (US)
14th July 2026
26AQI (US)
26AQI (US)
15th July 2026
26AQI (US)
26AQI (US)
16th July 2026
21AQI (US)
21AQI (US)
17th July 2026
27AQI (US)
27AQI (US)
18th July 2026
30AQI (US)
30AQI (US)
19th July 2026
25AQI (US)
25AQI (US)
20th July 2026
28AQI (US)
28AQI (US)
21st July 2026
24AQI (US)
24AQI (US)
22nd July 2026
26AQI (US)
26AQI (US)
23rd July 2026
24AQI (US)
24AQI (US)
24th July 2026
28AQI (US)
28AQI (US)
25th July 2026
25AQI (US)
25AQI (US)
26th July 2026
25AQI (US)
25AQI (US)
27th July 2026
26AQI (US)
26AQI (US)
28th July 2026
29AQI (US)
29AQI (US)
29th July 2026
26AQI (US)
26AQI (US)
30th July 2026
25AQI (US)
25AQI (US)
31st July 2026
25AQI (US)
25AQI (US)
1st August 2026
26AQI (US)
26AQI (US)
2nd August 2026
23AQI (US)
23AQI (US)
3rd August 2026
26AQI (US)
26AQI (US)
4th August 2026
25AQI (US)
25AQI (US)
5th August 2026
24AQI (US)
24AQI (US)
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
28AQI (US)
35AQI (US)
51AQI (US)
35AQI (US)
42AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202634AQI (US)
31
25
3
17
14
27
3
21
10
29
1
31
5
186
31
Highest AQI (US) recorded in
March51AQI (US)
Lowest AQI (US) recorded in
August25AQI (US)
202535AQI (US)
31
28
30
1
30
30
1
29
1
31
31
30
25
6
24
6
31
350
15
Highest AQI (US) recorded in
July43AQI (US)
Lowest AQI (US) recorded in
April28AQI (US)
202435AQI (US)
30
1
26
3
29
2
26
4
24
7
26
4
21
10
31
29
1
30
1
29
1
31
332
34
Highest AQI (US) recorded in
July45AQI (US)
Lowest AQI (US) recorded in
December26AQI (US)
202341AQI (US)
29
1
23
5
18
13
18
12
24
7
27
3
26
5
29
26
1
3
31
25
2
31
307
49
3
Highest AQI (US) recorded in
March52AQI (US)
Lowest AQI (US) recorded in
December28AQI (US)
202237AQI (US)
16
2
24
1
2
25
4
25
3
28
1
31
151
11
Highest AQI (US) recorded in
June39AQI (US)
Lowest AQI (US) recorded in
August31AQI (US)
202029AQI (US)
11
2
20
1
18
29
1
31
30
18
1
30
25
3
14
226
8
Highest AQI (US) recorded in
March39AQI (US)
Lowest AQI (US) recorded in
July25AQI (US)
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
41AQI (US)Least Polluted Year Recorded
2020(Avg.)
29AQI (US)Muroran's annual 2026 AQI (US) (34) shows an average percentage change of -2.7% (improved AQI (US)) compared to previous years: 2020 (29), 2022 (37), 2023 (41), 2024 (35), 2025 (35).
