Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Mito, Ibaraki, 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+

September Air Quality Analysis

Mito, Ibaraki, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
7th Sep 2024
74AQI
Lowest AQI recorded on
15th Sep 2026
14AQI

Same Day Analysis (30th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 25 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.

Day & Night AQI Trend: 29th Sep - 30th Sep 2026

Mito, Ibaraki, Japan

AQI
Day
Night
.

5 AM29th Sep 2026

5 PM

4 AM30th Sep 2026

Day time
Avg. Highest Time
1PM29th Sep

38AQI

Avg. Lowest Time
3PM29th Sep

21AQI

Night time
Avg. Highest Time
12AM30th Sep

31AQI

Avg. Lowest Time
4AM30th Sep

25AQI

In the last 24 hours,

Mito's AQI reached its highest point of 38 at 1 PM during the Day, while the lowest point, 21, was recorded at 3 PM during the Day between 29th Sep and 30th Sep 2026.

Day & Night AQI Trend : Sep 2026

Mito, Ibaraki, Japan

Sep
01st - 02nd02nd - 03rd03rd - 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
Day
Night
1st Sep 2026235 AMAQI
1st Sep 2026256 AMAQI
1st Sep 2026317 AMAQI
1st Sep 2026298 AMAQI
1st Sep 2026259 AMAQI
1st Sep 20263310 AMAQI
1st Sep 20263411 AMAQI
1st Sep 20262712 PMAQI
1st Sep 2026331 PMAQI
1st Sep 2026292 PMAQI
1st Sep 2026253 PMAQI
1st Sep 2026254 PMAQI
1st Sep 2026255 PMAQI
1st Sep 2026256 PMAQI
1st Sep 2026257 PMAQI
1st Sep 2026258 PMAQI
1st Sep 2026279 PMAQI
1st Sep 20262510 PMAQI
1st Sep 20262511 PMAQI
2nd Sep 20262512 AMAQI
2nd Sep 2026231 AMAQI
2nd Sep 2026212 AMAQI
2nd Sep 2026233 AMAQI
2nd Sep 2026214 AMAQI

24°C22/27°C

2nd Sep 2026215 AMAQI
2nd Sep 2026216 AMAQI
2nd Sep 2026237 AMAQI
2nd Sep 2026218 AMAQI
2nd Sep 2026219 AMAQI
2nd Sep 20262110 AMAQI
2nd Sep 20262111 AMAQI
2nd Sep 20262512 PMAQI
2nd Sep 2026251 PMAQI
2nd Sep 2026252 PMAQI
2nd Sep 2026253 PMAQI
2nd Sep 2026294 PMAQI
2nd Sep 2026295 PMAQI
2nd Sep 2026276 PMAQI
2nd Sep 2026277 PMAQI
2nd Sep 2026278 PMAQI
2nd Sep 2026279 PMAQI
2nd Sep 20262710 PMAQI
2nd Sep 20262111 PMAQI
3rd Sep 20262112 AMAQI
3rd Sep 2026231 AMAQI
3rd Sep 2026212 AMAQI
3rd Sep 2026233 AMAQI
3rd Sep 2026254 AMAQI

26°C22/30°C

3rd Sep 2026235 AMAQI
3rd Sep 2026236 AMAQI
3rd Sep 2026237 AMAQI
3rd Sep 2026238 AMAQI
3rd Sep 2026259 AMAQI
3rd Sep 20262510 AMAQI
3rd Sep 20263111 AMAQI
3rd Sep 20262912 PMAQI
3rd Sep 2026361 PMAQI
3rd Sep 2026402 PMAQI
3rd Sep 2026403 PMAQI
3rd Sep 2026314 PMAQI
3rd Sep 2026295 PMAQI
3rd Sep 2026346 PMAQI
3rd Sep 2026257 PMAQI
3rd Sep 2026428 PMAQI
3rd Sep 2026259 PMAQI
3rd Sep 20264210 PMAQI
3rd Sep 20263311 PMAQI
4th Sep 20262912 AMAQI
4th Sep 2026381 AMAQI
4th Sep 2026292 AMAQI
4th Sep 2026293 AMAQI
4th Sep 2026294 AMAQI

25°C22/29°C

4th Sep 2026215 AMAQI
4th Sep 2026256 AMAQI
4th Sep 2026257 AMAQI
4th Sep 2026238 AMAQI
4th Sep 2026259 AMAQI
4th Sep 20262510 AMAQI
4th Sep 20263311 AMAQI
4th Sep 20262312 PMAQI
4th Sep 2026211 PMAQI
4th Sep 2026212 PMAQI
4th Sep 2026233 PMAQI
4th Sep 2026214 PMAQI
4th Sep 2026255 PMAQI
4th Sep 2026336 PMAQI
4th Sep 2026297 PMAQI
4th Sep 2026258 PMAQI
4th Sep 2026239 PMAQI
4th Sep 20262510 PMAQI
4th Sep 20263311 PMAQI
5th Sep 20262512 AMAQI
5th Sep 2026251 AMAQI
5th Sep 2026252 AMAQI
5th Sep 2026383 AMAQI
5th Sep 2026334 AMAQI

23°C21/26°C

5th Sep 2026255 AMAQI
5th Sep 2026276 AMAQI
5th Sep 2026217 AMAQI
5th Sep 2026298 AMAQI
5th Sep 2026299 AMAQI
5th Sep 20262510 AMAQI
5th Sep 20262511 AMAQI
5th Sep 20262512 PMAQI
5th Sep 2026251 PMAQI
5th Sep 2026252 PMAQI
5th Sep 2026253 PMAQI
5th Sep 2026234 PMAQI
5th Sep 2026255 PMAQI
5th Sep 2026256 PMAQI
5th Sep 2026217 PMAQI
5th Sep 2026238 PMAQI
5th Sep 2026319 PMAQI
5th Sep 20262910 PMAQI
5th Sep 20262511 PMAQI
6th Sep 20262512 AMAQI
6th Sep 2026271 AMAQI
6th Sep 2026232 AMAQI
6th Sep 2026213 AMAQI
6th Sep 2026274 AMAQI

21°C20/21°C

6th Sep 2026255 AMAQI
6th Sep 2026256 AMAQI
6th Sep 2026257 AMAQI
6th Sep 2026258 AMAQI
6th Sep 2026259 AMAQI
6th Sep 20262510 AMAQI
6th Sep 20262511 AMAQI
6th Sep 20262512 PMAQI
6th Sep 2026251 PMAQI
6th Sep 2026292 PMAQI
6th Sep 2026293 PMAQI
6th Sep 2026384 PMAQI
6th Sep 2026215 PMAQI
6th Sep 2026236 PMAQI
6th Sep 2026237 PMAQI
6th Sep 2026238 PMAQI
6th Sep 2026219 PMAQI
6th Sep 20262110 PMAQI
6th Sep 20262911 PMAQI
7th Sep 20262112 AMAQI
7th Sep 2026211 AMAQI
7th Sep 2026212 AMAQI
7th Sep 2026213 AMAQI
7th Sep 2026384 AMAQI

21°C20/24°C

7th Sep 2026385 AMAQI
7th Sep 2026466 AMAQI
7th Sep 2026387 AMAQI
7th Sep 2026388 AMAQI
7th Sep 2026369 AMAQI
7th Sep 20262910 AMAQI
7th Sep 20264211 AMAQI
7th Sep 20264212 PMAQI
7th Sep 2026421 PMAQI
7th Sep 2026292 PMAQI
7th Sep 2026253 PMAQI
7th Sep 2026254 PMAQI
7th Sep 2026255 PMAQI
7th Sep 2026256 PMAQI
7th Sep 2026467 PMAQI
7th Sep 2026388 PMAQI
7th Sep 2026259 PMAQI
7th Sep 20262510 PMAQI
7th Sep 20262511 PMAQI
8th Sep 20262512 AMAQI
8th Sep 2026251 AMAQI
8th Sep 2026332 AMAQI
8th Sep 2026363 AMAQI
8th Sep 2026294 AMAQI

23°C21/25°C

8th Sep 2026365 AMAQI
8th Sep 2026336 AMAQI
8th Sep 2026297 AMAQI
8th Sep 2026258 AMAQI
8th Sep 2026299 AMAQI
8th Sep 20263310 AMAQI
8th Sep 20263311 AMAQI
8th Sep 20262312 PMAQI
8th Sep 2026251 PMAQI
8th Sep 2026232 PMAQI
8th Sep 2026253 PMAQI
8th Sep 2026274 PMAQI
8th Sep 2026275 PMAQI
8th Sep 2026276 PMAQI
8th Sep 2026317 PMAQI
8th Sep 2026218 PMAQI
8th Sep 2026219 PMAQI
8th Sep 20262510 PMAQI
8th Sep 20262511 PMAQI
9th Sep 20262712 AMAQI
9th Sep 2026211 AMAQI
9th Sep 2026292 AMAQI
9th Sep 2026323 AMAQI
9th Sep 2026294 AMAQI

22°C21/24°C

9th Sep 2026335 AMAQI
9th Sep 2026296 AMAQI
9th Sep 2026257 AMAQI
9th Sep 2026258 AMAQI
9th Sep 2026329 AMAQI
9th Sep 20263210 AMAQI
9th Sep 20263111 AMAQI
9th Sep 20262712 PMAQI
9th Sep 2026231 PMAQI
9th Sep 2026292 PMAQI
9th Sep 2026273 PMAQI
9th Sep 2026404 PMAQI
9th Sep 2026255 PMAQI
9th Sep 2026216 PMAQI
9th Sep 2026237 PMAQI
9th Sep 2026218 PMAQI
9th Sep 2026429 PMAQI
9th Sep 20263210 PMAQI
9th Sep 20263211 PMAQI
10th Sep 20265012 AMAQI
10th Sep 2026401 AMAQI
10th Sep 2026382 AMAQI
10th Sep 2026463 AMAQI
10th Sep 2026334 AMAQI

24°C19/31°C

10th Sep 2026215 AMAQI
10th Sep 2026336 AMAQI
10th Sep 2026257 AMAQI
10th Sep 2026428 AMAQI
10th Sep 2026299 AMAQI
10th Sep 20262310 AMAQI
10th Sep 20262911 AMAQI
10th Sep 20263412 PMAQI
10th Sep 2026331 PMAQI
10th Sep 2026292 PMAQI
10th Sep 2026253 PMAQI
10th Sep 2026254 PMAQI
10th Sep 2026275 PMAQI
10th Sep 2026386 PMAQI
10th Sep 2026387 PMAQI
10th Sep 2026238 PMAQI
10th Sep 2026239 PMAQI
10th Sep 20262910 PMAQI
10th Sep 20262911 PMAQI
11th Sep 20264212 AMAQI
11th Sep 2026421 AMAQI
11th Sep 2026522 AMAQI
11th Sep 2026503 AMAQI
11th Sep 2026444 AMAQI

19°C18/19°C

11th Sep 2026385 AMAQI
11th Sep 2026366 AMAQI
11th Sep 2026297 AMAQI
11th Sep 2026298 AMAQI
11th Sep 2026299 AMAQI
11th Sep 20263410 AMAQI
11th Sep 20263411 AMAQI
11th Sep 20263612 PMAQI
11th Sep 2026271 PMAQI
11th Sep 2026252 PMAQI
11th Sep 2026293 PMAQI
11th Sep 2026254 PMAQI
11th Sep 2026235 PMAQI
11th Sep 2026256 PMAQI
11th Sep 2026237 PMAQI
11th Sep 2026258 PMAQI
11th Sep 2026219 PMAQI
11th Sep 20262510 PMAQI
11th Sep 20262511 PMAQI
12th Sep 20262312 AMAQI
12th Sep 2026251 AMAQI
12th Sep 2026252 AMAQI
12th Sep 2026253 AMAQI
12th Sep 2026274 AMAQI

18°C17/19°C

12th Sep 2026275 AMAQI
12th Sep 2026236 AMAQI
12th Sep 2026297 AMAQI
12th Sep 2026258 AMAQI
12th Sep 2026259 AMAQI
12th Sep 20263410 AMAQI
12th Sep 20262111 AMAQI
12th Sep 20262312 PMAQI
12th Sep 2026251 PMAQI
12th Sep 2026272 PMAQI
12th Sep 2026253 PMAQI
12th Sep 2026274 PMAQI
12th Sep 2026235 PMAQI
12th Sep 2026256 PMAQI
12th Sep 2026257 PMAQI
12th Sep 2026258 PMAQI
12th Sep 2026259 PMAQI
12th Sep 20262510 PMAQI
12th Sep 20262511 PMAQI
13th Sep 20262712 AMAQI
13th Sep 2026251 AMAQI
13th Sep 2026252 AMAQI
13th Sep 2026213 AMAQI
13th Sep 2026214 AMAQI

21°C18/25°C

13th Sep 2026256 AMAQI
13th Sep 2026277 AMAQI
13th Sep 2026298 AMAQI
13th Sep 2026279 AMAQI
13th Sep 20262510 AMAQI
13th Sep 20262111 AMAQI
13th Sep 20262112 PMAQI
13th Sep 2026231 PMAQI
13th Sep 2026252 PMAQI
13th Sep 2026293 PMAQI
13th Sep 2026254 PMAQI
13th Sep 2026275 PMAQI
13th Sep 2026216 PMAQI
13th Sep 2026257 PMAQI
13th Sep 2026388 PMAQI
13th Sep 2026299 PMAQI
13th Sep 20264610 PMAQI
13th Sep 20264411 PMAQI
14th Sep 20263612 AMAQI
14th Sep 2026531 AMAQI
14th Sep 2026542 AMAQI
14th Sep 2026653 AMAQI
14th Sep 2026624 AMAQI

22°C20/25°C

14th Sep 2026505 AMAQI
14th Sep 2026446 AMAQI
14th Sep 2026587 AMAQI
14th Sep 2026448 AMAQI
14th Sep 2026319 AMAQI
14th Sep 20263610 AMAQI
14th Sep 20262111 AMAQI
14th Sep 20261212 PMAQI
14th Sep 202661 PMAQI
14th Sep 2026122 PMAQI
14th Sep 2026173 PMAQI
14th Sep 2026174 PMAQI
14th Sep 202695 PMAQI
14th Sep 2026236 PMAQI
14th Sep 2026217 PMAQI
14th Sep 2026208 PMAQI
14th Sep 2026309 PMAQI
14th Sep 20261910 PMAQI
14th Sep 20262111 PMAQI
15th Sep 20263012 AMAQI
15th Sep 2026221 AMAQI
15th Sep 2026192 AMAQI
15th Sep 2026193 AMAQI
15th Sep 2026174 AMAQI

26°C22/31°C

15th Sep 2026195 AMAQI
15th Sep 2026146 AMAQI
15th Sep 2026177 AMAQI
15th Sep 2026208 AMAQI
15th Sep 2026209 AMAQI
15th Sep 2026810 AMAQI
15th Sep 20261411 AMAQI
15th Sep 2026912 PMAQI
15th Sep 2026101 PMAQI
15th Sep 202682 PMAQI
15th Sep 202683 PMAQI
15th Sep 202684 PMAQI
15th Sep 202685 PMAQI
15th Sep 2026166 PMAQI
15th Sep 2026127 PMAQI
15th Sep 202688 PMAQI
15th Sep 2026129 PMAQI
15th Sep 20261210 PMAQI
15th Sep 20261711 PMAQI
16th Sep 20261912 AMAQI
16th Sep 2026141 AMAQI
16th Sep 2026332 AMAQI
16th Sep 2026383 AMAQI
16th Sep 2026384 AMAQI

21°C20/24°C

16th Sep 2026255 AMAQI
16th Sep 2026296 AMAQI
16th Sep 2026317 AMAQI
16th Sep 2026278 AMAQI
16th Sep 2026299 AMAQI
16th Sep 20262510 AMAQI
16th Sep 20262911 AMAQI
16th Sep 20262912 PMAQI
16th Sep 2026251 PMAQI
16th Sep 2026202 PMAQI
16th Sep 2026203 PMAQI
16th Sep 2026274 PMAQI
16th Sep 2026275 PMAQI
16th Sep 2026256 PMAQI
16th Sep 2026297 PMAQI
16th Sep 2026298 PMAQI
16th Sep 2026299 PMAQI
16th Sep 20263610 PMAQI
16th Sep 20263411 PMAQI
17th Sep 20263112 AMAQI
17th Sep 2026311 AMAQI
17th Sep 2026292 AMAQI
17th Sep 2026293 AMAQI
17th Sep 2026294 AMAQI

20°C18/21°C

17th Sep 2026255 AMAQI
17th Sep 2026256 AMAQI
17th Sep 2026257 AMAQI
17th Sep 2026298 AMAQI
17th Sep 2026279 AMAQI
17th Sep 20262510 AMAQI
17th Sep 20262911 AMAQI
17th Sep 20262912 PMAQI
17th Sep 2026211 PMAQI
17th Sep 2026252 PMAQI
17th Sep 2026253 PMAQI
17th Sep 2026294 PMAQI
17th Sep 2026255 PMAQI
17th Sep 2026276 PMAQI
17th Sep 2026217 PMAQI
17th Sep 2026298 PMAQI
17th Sep 2026239 PMAQI
17th Sep 20262110 PMAQI
17th Sep 20262111 PMAQI
18th Sep 20262112 AMAQI
18th Sep 2026211 AMAQI
18th Sep 2026252 AMAQI
18th Sep 2026213 AMAQI
18th Sep 2026214 AMAQI

20°C18/23°C

18th Sep 2026255 AMAQI
18th Sep 2026216 AMAQI
18th Sep 2026217 AMAQI
18th Sep 2026238 AMAQI
18th Sep 2026219 AMAQI
18th Sep 20262110 AMAQI
18th Sep 20262111 AMAQI
18th Sep 20263812 PMAQI
18th Sep 2026331 PMAQI
18th Sep 2026292 PMAQI
18th Sep 2026293 PMAQI
18th Sep 2026274 PMAQI
18th Sep 2026235 PMAQI
18th Sep 2026236 PMAQI
18th Sep 2026367 PMAQI
18th Sep 2026298 PMAQI
18th Sep 2026339 PMAQI
18th Sep 20263310 PMAQI
18th Sep 20263111 PMAQI
19th Sep 20262712 AMAQI
19th Sep 2026251 AMAQI
19th Sep 2026252 AMAQI
19th Sep 2026273 AMAQI
19th Sep 2026254 AMAQI

20°C17/24°C

19th Sep 2026255 AMAQI
19th Sep 2026256 AMAQI
19th Sep 2026237 AMAQI
19th Sep 2026238 AMAQI
19th Sep 2026239 AMAQI
19th Sep 20262510 AMAQI
19th Sep 20262311 AMAQI
19th Sep 20262312 PMAQI
19th Sep 2026251 PMAQI
19th Sep 2026272 PMAQI
19th Sep 2026293 PMAQI
19th Sep 2026294 PMAQI
19th Sep 2026275 PMAQI
19th Sep 2026256 PMAQI
19th Sep 2026297 PMAQI
19th Sep 2026298 PMAQI
19th Sep 2026299 PMAQI
19th Sep 20263310 PMAQI
19th Sep 20262111 PMAQI
20th Sep 20262512 AMAQI
20th Sep 2026361 AMAQI
20th Sep 2026212 AMAQI
20th Sep 2026253 AMAQI
20th Sep 2026234 AMAQI

22°C19/26°C

20th Sep 2026295 AMAQI
20th Sep 2026216 AMAQI
20th Sep 2026277 AMAQI
20th Sep 2026218 AMAQI
20th Sep 2026219 AMAQI
20th Sep 20262110 AMAQI
20th Sep 20263811 AMAQI
20th Sep 20263812 PMAQI
20th Sep 2026361 PMAQI
20th Sep 2026342 PMAQI
20th Sep 2026423 PMAQI
20th Sep 2026424 PMAQI
20th Sep 2026385 PMAQI
20th Sep 2026426 PMAQI
20th Sep 2026427 PMAQI
20th Sep 2026428 PMAQI
20th Sep 2026429 PMAQI
20th Sep 20263810 PMAQI
20th Sep 20262111 PMAQI
21st Sep 20262712 AMAQI
21st Sep 2026401 AMAQI
21st Sep 2026362 AMAQI
21st Sep 2026363 AMAQI
21st Sep 2026364 AMAQI

21°C20/22°C

21st Sep 2026255 AMAQI
21st Sep 2026256 AMAQI
21st Sep 2026177 AMAQI
21st Sep 2026198 AMAQI
21st Sep 2026199 AMAQI
21st Sep 20262710 AMAQI
21st Sep 20263611 AMAQI
21st Sep 20264212 PMAQI
21st Sep 2026251 PMAQI
21st Sep 2026272 PMAQI
21st Sep 2026333 PMAQI
21st Sep 2026364 PMAQI
21st Sep 2026465 PMAQI
21st Sep 2026426 PMAQI
21st Sep 2026427 PMAQI
21st Sep 2026428 PMAQI
21st Sep 2026369 PMAQI
21st Sep 20263810 PMAQI
21st Sep 20263611 PMAQI
22nd Sep 20263812 AMAQI
22nd Sep 2026381 AMAQI
22nd Sep 2026202 AMAQI
22nd Sep 2026343 AMAQI
22nd Sep 2026384 AMAQI

22°C20/24°C

22nd Sep 2026295 AMAQI
22nd Sep 2026256 AMAQI
22nd Sep 2026237 AMAQI
22nd Sep 2026318 AMAQI
22nd Sep 2026339 AMAQI
22nd Sep 20263810 AMAQI
22nd Sep 20263111 AMAQI
22nd Sep 20263812 PMAQI
22nd Sep 2026331 PMAQI
22nd Sep 2026252 PMAQI
22nd Sep 2026253 PMAQI
22nd Sep 2026234 PMAQI
22nd Sep 2026295 PMAQI
22nd Sep 2026296 PMAQI
22nd Sep 2026277 PMAQI
22nd Sep 2026258 PMAQI
22nd Sep 2026299 PMAQI
22nd Sep 20262510 PMAQI
22nd Sep 20262511 PMAQI
23rd Sep 20262112 AMAQI
23rd Sep 2026271 AMAQI
23rd Sep 2026212 AMAQI
23rd Sep 2026233 AMAQI
23rd Sep 2026274 AMAQI

24°C21/29°C

23rd Sep 2026295 AMAQI
23rd Sep 2026256 AMAQI
23rd Sep 2026277 AMAQI
23rd Sep 2026218 AMAQI
23rd Sep 2026259 AMAQI
23rd Sep 20262510 AMAQI
23rd Sep 20262311 AMAQI
23rd Sep 20262312 PMAQI
23rd Sep 2026231 PMAQI
23rd Sep 2026212 PMAQI
23rd Sep 2026363 PMAQI
23rd Sep 2026254 PMAQI
23rd Sep 2026215 PMAQI
23rd Sep 2026236 PMAQI
23rd Sep 2026237 PMAQI
23rd Sep 2026258 PMAQI
23rd Sep 2026239 PMAQI
23rd Sep 20262110 PMAQI
23rd Sep 20262511 PMAQI
24th Sep 20262512 AMAQI
24th Sep 2026251 AMAQI
24th Sep 2026252 AMAQI
24th Sep 2026253 AMAQI
24th Sep 2026234 AMAQI

20°C19/21°C

24th Sep 2026215 AMAQI
24th Sep 2026236 AMAQI
24th Sep 2026217 AMAQI
24th Sep 2026218 AMAQI
24th Sep 2026219 AMAQI
24th Sep 20262110 AMAQI
24th Sep 20262111 AMAQI
24th Sep 20262112 PMAQI
24th Sep 2026231 PMAQI
24th Sep 2026232 PMAQI
24th Sep 2026213 PMAQI
24th Sep 2026234 PMAQI
24th Sep 2026235 PMAQI
24th Sep 2026236 PMAQI
24th Sep 2026237 PMAQI
24th Sep 2026258 PMAQI
24th Sep 2026279 PMAQI
24th Sep 20262510 PMAQI
24th Sep 20262111 PMAQI
25th Sep 20262512 AMAQI
25th Sep 2026251 AMAQI
25th Sep 2026232 AMAQI
25th Sep 2026253 AMAQI
25th Sep 2026294 AMAQI

22°C19/28°C

25th Sep 2026255 AMAQI
25th Sep 2026256 AMAQI
25th Sep 2026257 AMAQI
25th Sep 2026218 AMAQI
25th Sep 2026259 AMAQI
25th Sep 20262310 AMAQI
25th Sep 20262511 AMAQI
25th Sep 20262312 PMAQI
25th Sep 2026271 PMAQI
25th Sep 2026292 PMAQI
25th Sep 2026483 PMAQI
25th Sep 2026334 PMAQI
25th Sep 2026255 PMAQI
25th Sep 2026236 PMAQI
25th Sep 2026257 PMAQI
25th Sep 2026218 PMAQI
25th Sep 2026239 PMAQI
25th Sep 20262310 PMAQI
25th Sep 20262711 PMAQI
26th Sep 20263612 AMAQI
26th Sep 2026251 AMAQI
26th Sep 2026232 AMAQI
26th Sep 2026213 AMAQI
26th Sep 2026254 AMAQI

21°C19/24°C

26th Sep 2026295 AMAQI
26th Sep 2026256 AMAQI
26th Sep 2026237 AMAQI
26th Sep 2026218 AMAQI
26th Sep 2026219 AMAQI
26th Sep 20262110 AMAQI
26th Sep 20262511 AMAQI
26th Sep 20262912 PMAQI
26th Sep 2026251 PMAQI
26th Sep 2026292 PMAQI
26th Sep 2026293 PMAQI
26th Sep 2026254 PMAQI
26th Sep 2026255 PMAQI
26th Sep 2026366 PMAQI
26th Sep 2026317 PMAQI
26th Sep 2026278 PMAQI
26th Sep 2026219 PMAQI
26th Sep 20262110 PMAQI
26th Sep 20262511 PMAQI
27th Sep 20262512 AMAQI
27th Sep 2026251 AMAQI
27th Sep 2026292 AMAQI
27th Sep 2026253 AMAQI
27th Sep 2026294 AMAQI

17°C16/20°C

27th Sep 2026255 AMAQI
27th Sep 2026256 AMAQI
27th Sep 2026217 AMAQI
27th Sep 2026298 AMAQI
27th Sep 2026349 AMAQI
27th Sep 20263810 AMAQI
27th Sep 20262911 AMAQI
27th Sep 20262712 PMAQI
27th Sep 2026291 PMAQI
27th Sep 2026292 PMAQI
27th Sep 2026293 PMAQI
27th Sep 2026234 PMAQI
27th Sep 2026255 PMAQI
27th Sep 2026276 PMAQI
27th Sep 2026337 PMAQI
27th Sep 2026258 PMAQI
27th Sep 2026259 PMAQI
27th Sep 20262910 PMAQI
27th Sep 20263411 PMAQI
28th Sep 20262512 AMAQI
28th Sep 2026251 AMAQI
28th Sep 2026272 AMAQI
28th Sep 2026233 AMAQI
28th Sep 2026254 AMAQI

20°C17/24°C

28th Sep 2026335 AMAQI
28th Sep 2026386 AMAQI
28th Sep 2026297 AMAQI
28th Sep 2026298 AMAQI
28th Sep 2026369 AMAQI
28th Sep 20263610 AMAQI
28th Sep 20262911 AMAQI
28th Sep 20262512 PMAQI
28th Sep 2026211 PMAQI
28th Sep 2026212 PMAQI
28th Sep 2026213 PMAQI
28th Sep 2026234 PMAQI
28th Sep 2026235 PMAQI
28th Sep 2026276 PMAQI
28th Sep 2026257 PMAQI
28th Sep 2026258 PMAQI
28th Sep 2026219 PMAQI
28th Sep 20262710 PMAQI
28th Sep 20262911 PMAQI
29th Sep 20262512 AMAQI
29th Sep 2026251 AMAQI
29th Sep 2026292 AMAQI
29th Sep 2026423 AMAQI
29th Sep 2026404 AMAQI

21°C19/22°C

29th Sep 2026325 AMAQI
29th Sep 2026236 AMAQI
29th Sep 2026277 AMAQI
29th Sep 2026218 AMAQI
29th Sep 2026219 AMAQI
29th Sep 20262510 AMAQI
29th Sep 20262511 AMAQI
29th Sep 20262312 PMAQI
29th Sep 2026381 PMAQI
29th Sep 2026272 PMAQI
29th Sep 2026213 PMAQI
29th Sep 2026254 PMAQI
29th Sep 2026255 PMAQI
29th Sep 2026256 PMAQI
29th Sep 2026277 PMAQI
29th Sep 2026258 PMAQI
29th Sep 2026279 PMAQI
29th Sep 20262510 PMAQI
29th Sep 20262911 PMAQI
30th Sep 20263112 AMAQI
30th Sep 2026311 AMAQI
30th Sep 2026272 AMAQI
30th Sep 2026273 AMAQI
30th Sep 2026254 AMAQI

19°C16/21°C

30th Sep 2026255 AMAQI
5 AM
30th Sep 2026216 AMAQI
30th Sep 2026257 AMAQI
30th Sep 2026218 AMAQI
30th Sep 2026239 AMAQI
30th Sep 20262510 AMAQI
30th Sep 20262311 AMAQI
11 AM
30th Sep 20262512 PMAQI
30th Sep 2026231 PMAQI
30th Sep 2026212 PMAQI
30th Sep 2026253 PMAQI
30th Sep 2026254 PMAQI
30th Sep 2026295 PMAQI
5 PM
30th Sep 2026216 PMAQI
30th Sep 2026297 PMAQI
30th Sep 2026298 PMAQI
30th Sep 2026259 PMAQI
30th Sep 20262310 PMAQI
30th Sep 20263211 PMAQI
11 PM
4 AM

18°C17/20°C

Day time
Avg. Highest Time
5 AM

28AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
2 PM

25AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 5 AM (Avg. 28), while the lowest AQI was between 2 PM to 2 PM (Avg. 25).
Night time
Avg. Highest Time
3 AM - 4 AM

30AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
6 PM

27AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 4 AM (Avg. 30), while the lowest AQI was between 6 PM to 6 PM (Avg. 27).

2026 Days Vs Air Quality

Mito, Ibaraki, Japan

2026

89%

244

11%

29

Total number of days with different AQI categories in last 273 days in 2026 (92 days remaining)

Good
244 Days
Moderate
29 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 89%

Health Risk Level:

Low

In 2026, 89% of 273 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

Mito, Ibaraki, 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
16AQI (US)
2nd January 2026
12AQI (US)
3rd January 2026
12AQI (US)
4th January 2026
21AQI (US)
5th January 2026
32AQI (US)
6th January 2026
23AQI (US)
7th January 2026
24AQI (US)
8th January 2026
31AQI (US)
9th January 2026
23AQI (US)
10th January 2026
26AQI (US)
11th January 2026
21AQI (US)
12th January 2026
13AQI (US)
13th January 2026
30AQI (US)
14th January 2026
13AQI (US)
15th January 2026
29AQI (US)
16th January 2026
42AQI (US)
17th January 2026
36AQI (US)
18th January 2026
23AQI (US)
19th January 2026
34AQI (US)
20th January 2026
29AQI (US)
21st January 2026
13AQI (US)
22nd January 2026
20AQI (US)
23rd January 2026
34AQI (US)
24th January 2026
36AQI (US)
25th January 2026
42AQI (US)
26th January 2026
28AQI (US)
27th January 2026
36AQI (US)
28th January 2026
27AQI (US)
29th January 2026
27AQI (US)
30th January 2026
24AQI (US)
31st January 2026
38AQI (US)
1st February 2026
34AQI (US)
2nd February 2026
11AQI (US)
3rd February 2026
17AQI (US)
4th February 2026
22AQI (US)
5th February 2026
39AQI (US)
6th February 2026
47AQI (US)
7th February 2026
12AQI (US)
8th February 2026
11AQI (US)
9th February 2026
34AQI (US)
10th February 2026
26AQI (US)
11th February 2026
46AQI (US)
12th February 2026
31AQI (US)
13th February 2026
37AQI (US)
14th February 2026
64AQI (US)
15th February 2026
72AQI (US)
16th February 2026
48AQI (US)
17th February 2026
17AQI (US)
18th February 2026
34AQI (US)
19th February 2026
30AQI (US)
20th February 2026
29AQI (US)
21st February 2026
41AQI (US)
22nd February 2026
42AQI (US)
23rd February 2026
41AQI (US)
24th February 2026
42AQI (US)
25th February 2026
35AQI (US)
26th February 2026
12AQI (US)
27th February 2026
42AQI (US)
28th February 2026
44AQI (US)
1st March 2026
37AQI (US)
2nd March 2026
88AQI (US)
3rd March 2026
45AQI (US)
4th March 2026
62AQI (US)
5th March 2026
61AQI (US)
6th March 2026
51AQI (US)
7th March 2026
46AQI (US)
8th March 2026
46AQI (US)
9th March 2026
44AQI (US)
10th March 2026
58AQI (US)
11th March 2026
59AQI (US)
12th March 2026
67AQI (US)
13th March 2026
40AQI (US)
14th March 2026
48AQI (US)
15th March 2026
57AQI (US)
16th March 2026
59AQI (US)
17th March 2026
56AQI (US)
18th March 2026
59AQI (US)
19th March 2026
39AQI (US)
20th March 2026
35AQI (US)
21st March 2026
44AQI (US)
22nd March 2026
49AQI (US)
23rd March 2026
50AQI (US)
24th March 2026
59AQI (US)
25th March 2026
42AQI (US)
26th March 2026
18AQI (US)
27th March 2026
20AQI (US)
28th March 2026
46AQI (US)
29th March 2026
52AQI (US)
30th March 2026
54AQI (US)
31st March 2026
30AQI (US)
1st April 2026
15AQI (US)
2nd April 2026
34AQI (US)
3rd April 2026
47AQI (US)
4th April 2026
45AQI (US)
5th April 2026
37AQI (US)
6th April 2026
22AQI (US)
7th April 2026
40AQI (US)
8th April 2026
20AQI (US)
9th April 2026
28AQI (US)
10th April 2026
45AQI (US)
11th April 2026
36AQI (US)
12th April 2026
29AQI (US)
13th April 2026
42AQI (US)
14th April 2026
36AQI (US)
15th April 2026
38AQI (US)
16th April 2026
32AQI (US)
17th April 2026
34AQI (US)
18th April 2026
33AQI (US)
19th April 2026
36AQI (US)
20th April 2026
35AQI (US)
21st April 2026
40AQI (US)
22nd April 2026
45AQI (US)
23rd April 2026
35AQI (US)
24th April 2026
30AQI (US)
25th April 2026
43AQI (US)
26th April 2026
50AQI (US)
27th April 2026
47AQI (US)
28th April 2026
41AQI (US)
29th April 2026
37AQI (US)
30th April 2026
38AQI (US)
1st May 2026
48AQI (US)
2nd May 2026
50AQI (US)
3rd May 2026
46AQI (US)
4th May 2026
28AQI (US)
5th May 2026
18AQI (US)
6th May 2026
32AQI (US)
7th May 2026
31AQI (US)
8th May 2026
25AQI (US)
9th May 2026
24AQI (US)
10th May 2026
30AQI (US)
11th May 2026
29AQI (US)
12th May 2026
34AQI (US)
13th May 2026
39AQI (US)
14th May 2026
35AQI (US)
15th May 2026
34AQI (US)
16th May 2026
86AQI (US)
17th May 2026
68AQI (US)
18th May 2026
53AQI (US)
19th May 2026
49AQI (US)
20th May 2026
61AQI (US)
21st May 2026
58AQI (US)
22nd May 2026
59AQI (US)
23rd May 2026
54AQI (US)
24th May 2026
58AQI (US)
25th May 2026
47AQI (US)
26th May 2026
39AQI (US)
27th May 2026
24AQI (US)
28th May 2026
21AQI (US)
29th May 2026
15AQI (US)
30th May 2026
24AQI (US)
31st May 2026
26AQI (US)
1st June 2026
29AQI (US)
2nd June 2026
29AQI (US)
3rd June 2026
11AQI (US)
4th June 2026
12AQI (US)
5th June 2026
22AQI (US)
6th June 2026
21AQI (US)
7th June 2026
21AQI (US)
8th June 2026
21AQI (US)
9th June 2026
22AQI (US)
10th June 2026
22AQI (US)
11th June 2026
24AQI (US)
12th June 2026
24AQI (US)
13th June 2026
26AQI (US)
14th June 2026
35AQI (US)
15th June 2026
14AQI (US)
16th June 2026
16AQI (US)
17th June 2026
24AQI (US)
18th June 2026
25AQI (US)
19th June 2026
28AQI (US)
20th June 2026
21AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
19AQI (US)
23rd June 2026
22AQI (US)
24th June 2026
22AQI (US)
25th June 2026
26AQI (US)
26th June 2026
29AQI (US)
27th June 2026
26AQI (US)
28th June 2026
27AQI (US)
29th June 2026
25AQI (US)
30th June 2026
23AQI (US)
1st July 2026
26AQI (US)
2nd July 2026
18AQI (US)
3rd July 2026
18AQI (US)
4th July 2026
33AQI (US)
5th July 2026
26AQI (US)
6th July 2026
27AQI (US)
7th July 2026
26AQI (US)
8th July 2026
22AQI (US)
9th July 2026
19AQI (US)
10th July 2026
25AQI (US)
11th July 2026
28AQI (US)
12th July 2026
27AQI (US)
13th July 2026
33AQI (US)
14th July 2026
37AQI (US)
15th July 2026
57AQI (US)
16th July 2026
73AQI (US)
17th July 2026
46AQI (US)
18th July 2026
11AQI (US)
19th July 2026
21AQI (US)
20th July 2026
31AQI (US)
21st July 2026
50AQI (US)
22nd July 2026
61AQI (US)
23rd July 2026
55AQI (US)
24th July 2026
22AQI (US)
25th July 2026
22AQI (US)
26th July 2026
26AQI (US)
27th July 2026
26AQI (US)
28th July 2026
26AQI (US)
29th July 2026
31AQI (US)
30th July 2026
38AQI (US)
31st July 2026
42AQI (US)
1st August 2026
56AQI (US)
2nd August 2026
32AQI (US)
3rd August 2026
18AQI (US)
4th August 2026
23AQI (US)
5th August 2026
25AQI (US)
6th August 2026
25AQI (US)
7th August 2026
24AQI (US)
8th August 2026
23AQI (US)
9th August 2026
32AQI (US)
10th August 2026
28AQI (US)
11th August 2026
34AQI (US)
12th August 2026
24AQI (US)
13th August 2026
35AQI (US)
14th August 2026
32AQI (US)
15th August 2026
28AQI (US)
16th August 2026
31AQI (US)
17th August 2026
33AQI (US)
18th August 2026
30AQI (US)
19th August 2026
29AQI (US)
20th August 2026
28AQI (US)
21st August 2026
25AQI (US)
22nd August 2026
38AQI (US)
23rd August 2026
35AQI (US)
24th August 2026
46AQI (US)
25th August 2026
49AQI (US)
26th August 2026
45AQI (US)
27th August 2026
29AQI (US)
28th August 2026
18AQI (US)
29th August 2026
28AQI (US)
30th August 2026
27AQI (US)
31st August 2026
28AQI (US)
1st September 2026
27AQI (US)
2nd September 2026
24AQI (US)
3rd September 2026
29AQI (US)
4th September 2026
26AQI (US)
5th September 2026
26AQI (US)
6th September 2026
25AQI (US)
7th September 2026
32AQI (US)
8th September 2026
28AQI (US)
9th September 2026
29AQI (US)
10th September 2026
32AQI (US)
11th September 2026
32AQI (US)
12th September 2026
25AQI (US)
13th September 2026
27AQI (US)
14th September 2026
32AQI (US)
15th September 2026
14AQI (US)
16th September 2026
28AQI (US)
17th September 2026
26AQI (US)
18th September 2026
26AQI (US)
19th September 2026
26AQI (US)
20th September 2026
32AQI (US)
21st September 2026
33AQI (US)
22nd September 2026
30AQI (US)
23rd September 2026
24AQI (US)
24th September 2026
23AQI (US)
25th September 2026
26AQI (US)
26th September 2026
26AQI (US)
27th September 2026
28AQI (US)
28th September 2026
27AQI (US)
29th September 2026
27AQI (US)
30th September 2026
25AQI (US)
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

26AQI (US)

34AQI (US)

49AQI (US)

36AQI (US)

40AQI (US)

23AQI (US)

32AQI (US)

31AQI (US)

27AQI (US)

No. of days

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

202633AQI (US)

31
26
2
17
14
30
23
8
30
27
4
30
1
30
244
29

Highest AQI (US) recorded in

March

49AQI (US)

Lowest AQI (US) recorded in

June

23AQI (US)

202538AQI (US)

31
28
25
6
26
4
29
2
27
3
25
6
27
4
30
23
8
23
7
24
7
318
47

Highest AQI (US) recorded in

July

47AQI (US)

Lowest AQI (US) recorded in

September

33AQI (US)

202443AQI (US)

29
1
25
4
24
7
18
11
1
20
11
18
12
9
22
24
7
26
4
30
1
29
1
31
283
81
1

Highest AQI (US) recorded in

July

59AQI (US)

Lowest AQI (US) recorded in

November

35AQI (US)

202343AQI (US)

27
3
26
2
20
11
20
10
18
13
16
14
9
22
22
9
28
2
30
1
21
8
28
3
265
98

Highest AQI (US) recorded in

July

57AQI (US)

Lowest AQI (US) recorded in

October

33AQI (US)

202241AQI (US)

29
1
20
1
22
9
15
2
24
7
16
14
12
9
1
22
6
25
6
28
2
31
245
57

Highest AQI (US) recorded in

July

51AQI (US)

Lowest AQI (US) recorded in

December

33AQI (US)

202138AQI (US)

28
2
25
3
27
2
2
25
5
21
10
25
5
21
3
7
29
2
29
1
29
2
28
2
30
1
317
38
9

Highest AQI (US) recorded in

July

53AQI (US)

Lowest AQI (US) recorded in

September

31AQI (US)

202030AQI (US)

10
1
1
1
7
1
19
2

Highest AQI (US) recorded in

December

39AQI (US)

Lowest AQI (US) recorded in

September

0AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2024(Avg.)
43AQI (US)
Least Polluted Year Recorded
2020(Avg.)
30AQI (US)

Mito's annual 2026 AQI (US) (33) shows an average percentage change of -13.7% (improved AQI (US)) compared to previous years: 2020 (30), 2021 (38), 2022 (41), 2023 (43), 2024 (43), 2025 (38).