Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Nakamuraminami, Tsuchiura, 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+

February Air Quality Analysis

Nakamuraminami, Tsuchiura, Ibaraki, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
19th Feb 2023
76AQI
Lowest AQI recorded on
7th Feb 2026
12AQI

Same Day Analysis (10th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 42 of Good air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 9th Feb - 10th Feb 2026

Nakamuraminami, Tsuchiura, Ibaraki, Japan

AQI
Day
Night
.

6 AM9th Feb 2026

5 PM

5 AM10th Feb 2026

Day time
Avg. Highest Time
10AM9th Feb

80AQI

Avg. Lowest Time
12PM9th Feb

20AQI

Night time
Avg. Highest Time
5AM10th Feb

64AQI

Avg. Lowest Time
10PM9th Feb

12AQI

In the last 24 hours,

Nakamuraminami's AQI reached its highest point of 80 at 10 AM during the Day, while the lowest point, 12, was recorded at 10 PM during the Night between 9th Feb and 10th Feb 2026.

Day & Night AQI Trend : Jan - Feb 2026

Nakamuraminami, Tsuchiura, Ibaraki, Japan

JanFeb
12th - 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 - 08th08th - 09th09th - 10th10th
Day
Night
12th Jan 2026126 AMAQI
12th Jan 202687 AMAQI
12th Jan 202688 AMAQI
12th Jan 2026149 AMAQI
12th Jan 20261910 AMAQI
12th Jan 20262111 AMAQI
12th Jan 20261912 PMAQI
12th Jan 2026211 PMAQI
12th Jan 2026192 PMAQI
12th Jan 2026163 PMAQI
12th Jan 2026174 PMAQI
12th Jan 2026195 PMAQI
12th Jan 2026236 PMAQI
12th Jan 2026167 PMAQI
12th Jan 2026128 PMAQI
12th Jan 2026129 PMAQI
12th Jan 20261910 PMAQI
12th Jan 20264911 PMAQI
13th Jan 20264012 AMAQI
13th Jan 2026331 AMAQI
13th Jan 2026422 AMAQI
13th Jan 2026483 AMAQI
13th Jan 2026484 AMAQI
13th Jan 2026525 AMAQI

4°C2/7°C

13th Jan 2026566 AMAQI
13th Jan 2026557 AMAQI
13th Jan 2026468 AMAQI
13th Jan 2026559 AMAQI
13th Jan 20265510 AMAQI
13th Jan 20263611 AMAQI
13th Jan 20266012 PMAQI
13th Jan 2026551 PMAQI
13th Jan 2026642 PMAQI
13th Jan 2026363 PMAQI
13th Jan 2026164 PMAQI
13th Jan 2026235 PMAQI
13th Jan 2026346 PMAQI
13th Jan 2026387 PMAQI
13th Jan 2026218 PMAQI
13th Jan 202689 PMAQI
13th Jan 20261210 PMAQI
13th Jan 20262511 PMAQI
14th Jan 20261912 AMAQI
14th Jan 2026121 AMAQI
14th Jan 2026122 AMAQI
14th Jan 2026123 AMAQI
14th Jan 2026124 AMAQI
14th Jan 202685 AMAQI

9°C3/14°C

14th Jan 2026146 AMAQI
14th Jan 2026127 AMAQI
14th Jan 2026148 AMAQI
14th Jan 2026129 AMAQI
14th Jan 20261210 AMAQI
14th Jan 2026811 AMAQI
14th Jan 20261012 PMAQI
14th Jan 2026121 PMAQI
14th Jan 2026122 PMAQI
14th Jan 2026123 PMAQI
14th Jan 2026124 PMAQI
14th Jan 2026125 PMAQI
14th Jan 2026106 PMAQI
14th Jan 202687 PMAQI
14th Jan 2026128 PMAQI
14th Jan 2026129 PMAQI
14th Jan 20261910 PMAQI
14th Jan 20261611 PMAQI
15th Jan 20261212 AMAQI
15th Jan 2026191 AMAQI
15th Jan 2026122 AMAQI
15th Jan 2026193 AMAQI
15th Jan 2026174 AMAQI
15th Jan 2026145 AMAQI

7°C5/10°C

15th Jan 2026236 AMAQI
15th Jan 2026217 AMAQI
15th Jan 2026218 AMAQI
15th Jan 2026179 AMAQI
15th Jan 20261910 AMAQI
15th Jan 20262511 AMAQI
15th Jan 20262112 PMAQI
15th Jan 2026291 PMAQI
15th Jan 2026312 PMAQI
15th Jan 2026313 PMAQI
15th Jan 2026384 PMAQI
15th Jan 2026595 PMAQI
15th Jan 2026606 PMAQI
15th Jan 2026447 PMAQI
15th Jan 2026468 PMAQI
15th Jan 2026389 PMAQI
15th Jan 20263210 PMAQI
15th Jan 20263511 PMAQI
16th Jan 20263412 AMAQI
16th Jan 2026491 AMAQI
16th Jan 2026602 AMAQI
16th Jan 2026593 AMAQI
16th Jan 2026594 AMAQI
16th Jan 2026565 AMAQI

7°C4/11°C

16th Jan 2026676 AMAQI
16th Jan 2026607 AMAQI
16th Jan 2026718 AMAQI
16th Jan 2026719 AMAQI
16th Jan 20266910 AMAQI
16th Jan 20263111 AMAQI
16th Jan 20263112 PMAQI
16th Jan 2026291 PMAQI
16th Jan 2026172 PMAQI
16th Jan 2026173 PMAQI
16th Jan 2026224 PMAQI
16th Jan 2026335 PMAQI
16th Jan 2026386 PMAQI
16th Jan 2026257 PMAQI
16th Jan 2026318 PMAQI
16th Jan 2026319 PMAQI
16th Jan 20262910 PMAQI
16th Jan 20264211 PMAQI
17th Jan 20264212 AMAQI
17th Jan 2026481 AMAQI
17th Jan 2026312 AMAQI
17th Jan 2026293 AMAQI
17th Jan 2026404 AMAQI
17th Jan 2026385 AMAQI

10°C6/15°C

17th Jan 2026446 AMAQI
17th Jan 2026407 AMAQI
17th Jan 2026388 AMAQI
17th Jan 2026449 AMAQI
17th Jan 20265610 AMAQI
17th Jan 20263011 AMAQI
17th Jan 20261912 PMAQI
17th Jan 2026191 PMAQI
17th Jan 2026362 PMAQI
17th Jan 2026383 PMAQI
17th Jan 2026314 PMAQI
17th Jan 2026525 PMAQI
17th Jan 2026526 PMAQI
17th Jan 2026597 PMAQI
17th Jan 2026698 PMAQI
17th Jan 2026669 PMAQI
17th Jan 20266010 PMAQI
17th Jan 20265211 PMAQI
18th Jan 20266212 AMAQI
18th Jan 2026541 AMAQI
18th Jan 2026502 AMAQI
18th Jan 2026473 AMAQI
18th Jan 2026504 AMAQI
18th Jan 2026525 AMAQI

10°C7/14°C

18th Jan 2026466 AMAQI
18th Jan 2026427 AMAQI
18th Jan 2026388 AMAQI
18th Jan 2026389 AMAQI
18th Jan 20266710 AMAQI
18th Jan 20265711 AMAQI
18th Jan 20266312 PMAQI
18th Jan 2026291 PMAQI
18th Jan 2026342 PMAQI
18th Jan 2026333 PMAQI
18th Jan 2026294 PMAQI
18th Jan 2026255 PMAQI
18th Jan 2026276 PMAQI
18th Jan 2026237 PMAQI
18th Jan 2026238 PMAQI
18th Jan 2026279 PMAQI
18th Jan 20262310 PMAQI
18th Jan 20261411 PMAQI
19th Jan 20261212 AMAQI
19th Jan 2026171 AMAQI
19th Jan 2026172 AMAQI
19th Jan 2026173 AMAQI
19th Jan 2026324 AMAQI
19th Jan 2026445 AMAQI

7°C5/9°C

19th Jan 2026486 AMAQI
19th Jan 2026477 AMAQI
19th Jan 2026558 AMAQI
19th Jan 2026509 AMAQI
19th Jan 20263110 AMAQI
19th Jan 20262011 AMAQI
19th Jan 20261212 PMAQI
19th Jan 2026251 PMAQI
19th Jan 2026252 PMAQI
19th Jan 2026273 PMAQI
19th Jan 2026214 PMAQI
19th Jan 2026295 PMAQI
19th Jan 2026366 PMAQI
19th Jan 2026507 PMAQI
19th Jan 2026568 PMAQI
19th Jan 2026509 PMAQI
19th Jan 20265610 PMAQI
19th Jan 20265711 PMAQI
20th Jan 20266012 AMAQI
20th Jan 2026601 AMAQI
20th Jan 2026662 AMAQI
20th Jan 2026713 AMAQI
20th Jan 2026734 AMAQI
20th Jan 2026765 AMAQI

7°C5/8°C

20th Jan 2026716 AMAQI
20th Jan 2026707 AMAQI
20th Jan 2026788 AMAQI
20th Jan 2026749 AMAQI
20th Jan 20263410 AMAQI
20th Jan 20263111 AMAQI
20th Jan 20266212 PMAQI
20th Jan 2026621 PMAQI
20th Jan 2026402 PMAQI
20th Jan 2026423 PMAQI
20th Jan 2026294 PMAQI
20th Jan 2026295 PMAQI
20th Jan 2026316 PMAQI
20th Jan 2026297 PMAQI
20th Jan 2026298 PMAQI
20th Jan 2026299 PMAQI
20th Jan 2026810 PMAQI
20th Jan 2026811 PMAQI
21st Jan 2026812 AMAQI
21st Jan 2026101 AMAQI
21st Jan 2026122 AMAQI
21st Jan 2026123 AMAQI
21st Jan 2026104 AMAQI
21st Jan 2026105 AMAQI

6°C3/11°C

21st Jan 2026146 AMAQI
21st Jan 2026227 AMAQI
21st Jan 2026298 AMAQI
21st Jan 2026279 AMAQI
21st Jan 20262910 AMAQI
21st Jan 20263112 PMAQI
21st Jan 2026311 PMAQI
21st Jan 2026312 PMAQI
21st Jan 2026183 PMAQI
21st Jan 2026104 PMAQI
21st Jan 2026125 PMAQI
21st Jan 2026106 PMAQI
21st Jan 2026107 PMAQI
21st Jan 2026128 PMAQI
21st Jan 2026219 PMAQI
21st Jan 20262510 PMAQI
21st Jan 20262711 PMAQI
22nd Jan 20261212 AMAQI
22nd Jan 2026181 AMAQI
22nd Jan 2026212 AMAQI
22nd Jan 2026123 AMAQI
22nd Jan 2026124 AMAQI
22nd Jan 2026105 AMAQI

3°C2/6°C

22nd Jan 2026126 AMAQI
22nd Jan 2026257 AMAQI
22nd Jan 2026278 AMAQI
22nd Jan 2026149 AMAQI
22nd Jan 20261810 AMAQI
22nd Jan 20262111 AMAQI
22nd Jan 20262512 PMAQI
22nd Jan 2026271 PMAQI
22nd Jan 2026362 PMAQI
22nd Jan 2026643 PMAQI
22nd Jan 2026104 PMAQI
22nd Jan 2026245 PMAQI
22nd Jan 2026246 PMAQI
22nd Jan 2026107 PMAQI
22nd Jan 2026278 PMAQI
22nd Jan 2026409 PMAQI
22nd Jan 20262810 PMAQI
22nd Jan 20262511 PMAQI
23rd Jan 20261412 AMAQI
23rd Jan 2026261 AMAQI
23rd Jan 2026402 AMAQI
23rd Jan 2026283 AMAQI
23rd Jan 2026284 AMAQI
23rd Jan 2026485 AMAQI

3°C1/5°C

23rd Jan 2026226 AMAQI
23rd Jan 202687 AMAQI
23rd Jan 2026318 AMAQI
23rd Jan 2026549 AMAQI
23rd Jan 20265610 AMAQI
23rd Jan 20262811 AMAQI
23rd Jan 20263112 PMAQI
23rd Jan 2026331 PMAQI
23rd Jan 202682 PMAQI
23rd Jan 2026333 PMAQI
23rd Jan 2026294 PMAQI
23rd Jan 2026455 PMAQI
23rd Jan 2026526 PMAQI
23rd Jan 2026607 PMAQI
23rd Jan 2026478 PMAQI
23rd Jan 2026369 PMAQI
23rd Jan 20265110 PMAQI
23rd Jan 20264711 PMAQI
24th Jan 20265312 AMAQI
24th Jan 2026541 AMAQI
24th Jan 2026502 AMAQI
24th Jan 2026503 AMAQI
24th Jan 2026664 AMAQI
24th Jan 2026625 AMAQI

4°C0/6°C

24th Jan 2026376 AMAQI
24th Jan 2026477 AMAQI
24th Jan 2026548 AMAQI
24th Jan 2026539 AMAQI
24th Jan 20265510 AMAQI
24th Jan 20263111 AMAQI
24th Jan 2026812 PMAQI
24th Jan 2026161 PMAQI
24th Jan 2026142 PMAQI
24th Jan 2026193 PMAQI
24th Jan 2026274 PMAQI
24th Jan 2026165 PMAQI
24th Jan 2026126 PMAQI
24th Jan 2026147 PMAQI
24th Jan 2026238 PMAQI
24th Jan 2026219 PMAQI
24th Jan 20262110 PMAQI
24th Jan 20262511 PMAQI
25th Jan 20262112 AMAQI
25th Jan 2026251 AMAQI
25th Jan 2026232 AMAQI
25th Jan 2026193 AMAQI
25th Jan 2026214 AMAQI
25th Jan 2026215 AMAQI

5°C2/10°C

25th Jan 2026256 AMAQI
25th Jan 2026177 AMAQI
25th Jan 2026218 AMAQI
25th Jan 2026259 AMAQI
25th Jan 20262510 AMAQI
25th Jan 20262111 AMAQI
25th Jan 20262712 PMAQI
25th Jan 2026201 PMAQI
25th Jan 2026142 PMAQI
25th Jan 2026183 PMAQI
25th Jan 2026104 PMAQI
25th Jan 2026125 PMAQI
25th Jan 202696 PMAQI
25th Jan 202687 PMAQI
25th Jan 202688 PMAQI
25th Jan 202689 PMAQI
25th Jan 2026810 PMAQI
25th Jan 2026611 PMAQI
26th Jan 2026612 AMAQI
26th Jan 202681 AMAQI
26th Jan 202682 AMAQI
26th Jan 202683 AMAQI
26th Jan 202684 AMAQI
26th Jan 2026105 AMAQI

3°C1/6°C

26th Jan 2026126 AMAQI
26th Jan 2026107 AMAQI
26th Jan 2026128 AMAQI
26th Jan 2026309 AMAQI
26th Jan 2026811 AMAQI
26th Jan 20264012 PMAQI
26th Jan 2026361 PMAQI
26th Jan 202682 PMAQI
26th Jan 202683 PMAQI
26th Jan 202684 PMAQI
26th Jan 2026195 PMAQI
26th Jan 2026176 PMAQI
26th Jan 2026187 PMAQI
26th Jan 2026268 PMAQI
26th Jan 2026279 PMAQI
26th Jan 20265110 PMAQI
26th Jan 20263611 PMAQI
27th Jan 20263612 AMAQI
27th Jan 2026481 AMAQI
27th Jan 2026482 AMAQI
27th Jan 2026483 AMAQI
27th Jan 2026374 AMAQI
27th Jan 2026345 AMAQI

3°C1/7°C

27th Jan 2026346 AMAQI
27th Jan 2026417 AMAQI
27th Jan 2026388 AMAQI
27th Jan 2026409 AMAQI
27th Jan 20264610 AMAQI
27th Jan 20262611 AMAQI
27th Jan 20262612 PMAQI
27th Jan 2026141 PMAQI
27th Jan 2026412 PMAQI
27th Jan 2026403 PMAQI
27th Jan 2026344 PMAQI
27th Jan 2026325 PMAQI
27th Jan 2026346 PMAQI
27th Jan 2026347 PMAQI
27th Jan 2026508 PMAQI
27th Jan 2026499 PMAQI
27th Jan 20264110 PMAQI
27th Jan 20263811 PMAQI
28th Jan 20267112 AMAQI
28th Jan 2026521 AMAQI
28th Jan 2026602 AMAQI
28th Jan 2026383 AMAQI
28th Jan 2026544 AMAQI
28th Jan 2026575 AMAQI

5°C2/8°C

28th Jan 2026606 AMAQI
28th Jan 2026607 AMAQI
28th Jan 2026638 AMAQI
28th Jan 2026609 AMAQI
28th Jan 20265110 AMAQI
28th Jan 20263611 AMAQI
28th Jan 20261212 PMAQI
28th Jan 202681 PMAQI
28th Jan 2026122 PMAQI
28th Jan 2026143 PMAQI
28th Jan 2026144 PMAQI
28th Jan 202685 PMAQI
28th Jan 202686 PMAQI
28th Jan 2026127 PMAQI
28th Jan 2026218 PMAQI
28th Jan 2026239 PMAQI
28th Jan 20262110 PMAQI
29th Jan 2026812 AMAQI
29th Jan 202681 AMAQI
29th Jan 202682 AMAQI
29th Jan 2026123 AMAQI
29th Jan 2026214 AMAQI
29th Jan 2026255 AMAQI

5°C2/8°C

29th Jan 2026236 AMAQI
29th Jan 2026347 AMAQI
29th Jan 2026388 AMAQI
29th Jan 2026429 AMAQI
29th Jan 20263410 AMAQI
29th Jan 20262711 AMAQI
29th Jan 20262712 PMAQI
29th Jan 2026251 PMAQI
29th Jan 2026142 PMAQI
29th Jan 2026143 PMAQI
29th Jan 2026164 PMAQI
29th Jan 2026175 PMAQI
29th Jan 2026176 PMAQI
29th Jan 2026177 PMAQI
29th Jan 2026128 PMAQI
29th Jan 2026179 PMAQI
29th Jan 20261710 PMAQI
29th Jan 20261211 PMAQI
30th Jan 20261712 AMAQI
30th Jan 2026251 AMAQI
30th Jan 2026232 AMAQI
30th Jan 2026193 AMAQI
30th Jan 2026234 AMAQI
30th Jan 2026385 AMAQI

4°C1/7°C

30th Jan 2026386 AMAQI
30th Jan 2026207 AMAQI
30th Jan 2026178 AMAQI
30th Jan 2026479 AMAQI
30th Jan 20265810 AMAQI
30th Jan 20264211 AMAQI
30th Jan 20262412 PMAQI
30th Jan 2026371 PMAQI
30th Jan 2026302 PMAQI
30th Jan 2026213 PMAQI
30th Jan 2026214 PMAQI
30th Jan 2026195 PMAQI
30th Jan 2026166 PMAQI
30th Jan 2026157 PMAQI
30th Jan 2026168 PMAQI
30th Jan 2026129 PMAQI
30th Jan 20261710 PMAQI
30th Jan 20263011 PMAQI
31st Jan 20262212 AMAQI
31st Jan 2026301 AMAQI
31st Jan 2026382 AMAQI
31st Jan 2026343 AMAQI
31st Jan 2026424 AMAQI
31st Jan 2026475 AMAQI

4°C1/7°C

31st Jan 2026546 AMAQI
31st Jan 2026487 AMAQI
31st Jan 2026418 AMAQI
31st Jan 2026679 AMAQI
31st Jan 20268610 AMAQI
31st Jan 20263711 AMAQI
31st Jan 20263712 PMAQI
31st Jan 2026121 PMAQI
31st Jan 2026352 PMAQI
31st Jan 2026273 PMAQI
31st Jan 2026484 PMAQI
31st Jan 2026265 PMAQI
31st Jan 2026246 PMAQI
31st Jan 2026468 PMAQI
31st Jan 2026379 PMAQI
31st Jan 20262910 PMAQI
31st Jan 2026811 PMAQI
1st Feb 20262212 AMAQI
1st Feb 2026321 AMAQI
1st Feb 2026302 AMAQI
1st Feb 2026303 AMAQI
1st Feb 2026464 AMAQI
1st Feb 2026745 AMAQI

5°C2/8°C

1st Feb 2026446 AMAQI
1st Feb 2026547 AMAQI
1st Feb 2026448 AMAQI
1st Feb 2026649 AMAQI
1st Feb 20268010 AMAQI
1st Feb 20265211 AMAQI
1st Feb 20262512 PMAQI
1st Feb 2026411 PMAQI
1st Feb 2026292 PMAQI
1st Feb 2026263 PMAQI
1st Feb 2026224 PMAQI
1st Feb 2026195 PMAQI
1st Feb 2026216 PMAQI
1st Feb 2026267 PMAQI
1st Feb 2026428 PMAQI
1st Feb 2026519 PMAQI
1st Feb 20262510 PMAQI
1st Feb 20263711 PMAQI
2nd Feb 20263312 AMAQI
2nd Feb 2026461 AMAQI
2nd Feb 2026472 AMAQI
2nd Feb 2026483 AMAQI
2nd Feb 2026484 AMAQI
2nd Feb 2026505 AMAQI

6°C3/9°C

2nd Feb 2026336 AMAQI
2nd Feb 2026537 AMAQI
2nd Feb 2026578 AMAQI
2nd Feb 2026529 AMAQI
2nd Feb 20265010 AMAQI
2nd Feb 20263611 AMAQI
2nd Feb 20262512 PMAQI
2nd Feb 2026191 PMAQI
2nd Feb 2026122 PMAQI
2nd Feb 2026143 PMAQI
2nd Feb 2026144 PMAQI
2nd Feb 2026195 PMAQI
2nd Feb 2026216 PMAQI
2nd Feb 2026197 PMAQI
2nd Feb 2026238 PMAQI
2nd Feb 2026279 PMAQI
2nd Feb 20261710 PMAQI
2nd Feb 20261211 PMAQI
3rd Feb 20261212 AMAQI
3rd Feb 2026141 AMAQI
3rd Feb 2026172 AMAQI
3rd Feb 2026193 AMAQI
3rd Feb 2026174 AMAQI
3rd Feb 2026175 AMAQI

6°C3/10°C

3rd Feb 2026276 AMAQI
3rd Feb 2026327 AMAQI
3rd Feb 2026318 AMAQI
3rd Feb 2026219 AMAQI
3rd Feb 20262110 AMAQI
3rd Feb 20262311 AMAQI
3rd Feb 20261012 PMAQI
3rd Feb 2026121 PMAQI
3rd Feb 2026122 PMAQI
3rd Feb 2026163 PMAQI
3rd Feb 2026215 PMAQI
3rd Feb 2026126 PMAQI
3rd Feb 2026197 PMAQI
3rd Feb 2026218 PMAQI
3rd Feb 2026299 PMAQI
3rd Feb 20264210 PMAQI
3rd Feb 20264011 PMAQI
4th Feb 20264012 AMAQI
4th Feb 2026331 AMAQI
4th Feb 2026422 AMAQI
4th Feb 2026503 AMAQI
4th Feb 2026504 AMAQI
4th Feb 2026545 AMAQI

6°C2/9°C

4th Feb 2026426 AMAQI
4th Feb 2026467 AMAQI
4th Feb 2026488 AMAQI
4th Feb 2026499 AMAQI
4th Feb 20265410 AMAQI
4th Feb 20265011 AMAQI
4th Feb 20261212 PMAQI
4th Feb 2026111 PMAQI
4th Feb 2026102 PMAQI
4th Feb 2026273 PMAQI
4th Feb 2026114 PMAQI
4th Feb 2026215 PMAQI
4th Feb 2026386 PMAQI
4th Feb 2026387 PMAQI
4th Feb 2026518 PMAQI
4th Feb 2026569 PMAQI
4th Feb 20265310 PMAQI
4th Feb 20265811 PMAQI
5th Feb 20265712 AMAQI
5th Feb 2026541 AMAQI
5th Feb 2026662 AMAQI
5th Feb 2026643 AMAQI
5th Feb 2026684 AMAQI
5th Feb 2026715 AMAQI

7°C3/10°C

5th Feb 2026716 AMAQI
5th Feb 2026787 AMAQI
5th Feb 2026768 AMAQI
5th Feb 2026729 AMAQI
5th Feb 20265310 AMAQI
5th Feb 20263411 AMAQI
5th Feb 20262512 PMAQI
5th Feb 2026251 PMAQI
5th Feb 2026362 PMAQI
5th Feb 2026423 PMAQI
5th Feb 2026514 PMAQI
5th Feb 2026545 PMAQI
5th Feb 2026626 PMAQI
5th Feb 2026657 PMAQI
5th Feb 2026678 PMAQI
5th Feb 2026749 PMAQI
5th Feb 20267110 PMAQI
5th Feb 20267611 PMAQI
6th Feb 20267412 AMAQI
6th Feb 2026651 AMAQI
6th Feb 2026682 AMAQI
6th Feb 2026743 AMAQI
6th Feb 2026784 AMAQI
6th Feb 2026785 AMAQI

9°C5/12°C

6th Feb 2026816 AMAQI
6th Feb 2026857 AMAQI
6th Feb 2026838 AMAQI
6th Feb 2026699 AMAQI
6th Feb 20265410 AMAQI
6th Feb 20265311 AMAQI
6th Feb 2026401 PMAQI
6th Feb 2026382 PMAQI
6th Feb 2026443 PMAQI
6th Feb 2026424 PMAQI
6th Feb 2026455 PMAQI
6th Feb 2026526 PMAQI
6th Feb 2026527 PMAQI
6th Feb 2026408 PMAQI
6th Feb 2026239 PMAQI
6th Feb 20261410 PMAQI
6th Feb 20261411 PMAQI
7th Feb 20261012 AMAQI
7th Feb 2026141 AMAQI
7th Feb 2026162 AMAQI
7th Feb 2026123 AMAQI
7th Feb 202684 AMAQI
7th Feb 2026105 AMAQI

9°C6/14°C

7th Feb 2026106 AMAQI
7th Feb 202687 AMAQI
7th Feb 2026108 AMAQI
7th Feb 202689 AMAQI
7th Feb 20261210 AMAQI
7th Feb 20261011 AMAQI
7th Feb 20261012 PMAQI
7th Feb 2026141 PMAQI
7th Feb 2026142 PMAQI
7th Feb 2026123 PMAQI
7th Feb 2026144 PMAQI
7th Feb 2026125 PMAQI
7th Feb 2026106 PMAQI
7th Feb 2026127 PMAQI
7th Feb 2026148 PMAQI
7th Feb 2026109 PMAQI
7th Feb 20261210 PMAQI
7th Feb 20261411 PMAQI
8th Feb 20261012 AMAQI
8th Feb 2026121 AMAQI
8th Feb 2026122 AMAQI
8th Feb 2026123 AMAQI
8th Feb 2026124 AMAQI
8th Feb 202685 AMAQI

3°C0/4°C

8th Feb 202686 AMAQI
8th Feb 202688 AMAQI
8th Feb 202689 AMAQI
8th Feb 20261210 AMAQI
8th Feb 20261211 AMAQI
8th Feb 20261012 PMAQI
8th Feb 2026121 PMAQI
8th Feb 2026142 PMAQI
8th Feb 2026143 PMAQI
8th Feb 2026174 PMAQI
8th Feb 2026215 PMAQI
8th Feb 2026176 PMAQI
8th Feb 2026177 PMAQI
8th Feb 2026248 PMAQI
8th Feb 2026309 PMAQI
8th Feb 20262910 PMAQI
8th Feb 20261211 PMAQI
9th Feb 20261212 AMAQI
9th Feb 2026251 AMAQI
9th Feb 2026282 AMAQI
9th Feb 2026123 AMAQI
9th Feb 2026544 AMAQI
9th Feb 2026445 AMAQI

-2°C-5/-1°C

9th Feb 2026246 AMAQI
9th Feb 2026427 AMAQI
9th Feb 2026488 AMAQI
9th Feb 2026609 AMAQI
9th Feb 20268010 AMAQI
9th Feb 20262711 AMAQI
9th Feb 20262012 PMAQI
9th Feb 2026381 PMAQI
9th Feb 2026482 PMAQI
9th Feb 2026463 PMAQI
9th Feb 2026234 PMAQI
9th Feb 2026265 PMAQI
9th Feb 2026146 PMAQI
9th Feb 2026327 PMAQI
9th Feb 2026368 PMAQI
9th Feb 2026129 PMAQI
9th Feb 20261210 PMAQI
9th Feb 20262311 PMAQI
10th Feb 20264412 AMAQI
10th Feb 2026461 AMAQI
10th Feb 2026362 AMAQI
10th Feb 2026313 AMAQI
10th Feb 2026524 AMAQI
10th Feb 2026645 AMAQI

0°C-5/4°C

10th Feb 2026376 AMAQI
6 AM
10th Feb 2026407 AMAQI
10th Feb 2026428 AMAQI
10th Feb 2026449 AMAQI
10th Feb 20266010 AMAQI
10th Feb 20264211 AMAQI
11 AM
10th Feb 20264912 PMAQI
10th Feb 2026401 PMAQI
10th Feb 2026392 PMAQI
10th Feb 2026403 PMAQI
10th Feb 2026254 PMAQI
10th Feb 2026355 PMAQI
5 PM
10th Feb 2026336 PMAQI
10th Feb 2026397 PMAQI
10th Feb 2026388 PMAQI
10th Feb 2026389 PMAQI
10th Feb 20264410 PMAQI
10th Feb 20266211 PMAQI
11 PM
5 AM

6°C2/10°C

Day time
Avg. Highest Time
10 AM

45AQI

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

23AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 10 AM (Avg. 45), while the lowest AQI was between 4 PM to 4 PM (Avg. 23).
Night time
Avg. Highest Time
5 AM

39AQI

1 hours / Day
30 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 5 AM to 5 AM (Avg. 39), while the lowest AQI was between 6 PM to 6 PM (Avg. 27).

2026 Days Vs Air Quality

Nakamuraminami, Tsuchiura, Ibaraki, Japan

2026

95%

39

5%

2

Total number of days with different AQI categories in last 42 days in 2026 (323 days remaining)

Good
39 Days
Moderate
2 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 95%

Health Risk Level:

Very Low

In 2026, 95% of 42 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.

Annual Air Quality Insights

Nakamuraminami, Tsuchiura, 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
13AQI (US)
2nd January 2026
19AQI (US)
3rd January 2026
18AQI (US)
4th January 2026
26AQI (US)
5th January 2026
39AQI (US)
6th January 2026
17AQI (US)
7th January 2026
32AQI (US)
8th January 2026
37AQI (US)
9th January 2026
16AQI (US)
10th January 2026
24AQI (US)
11th January 2026
27AQI (US)
12th January 2026
16AQI (US)
13th January 2026
40AQI (US)
14th January 2026
12AQI (US)
15th January 2026
28AQI (US)
16th January 2026
43AQI (US)
17th January 2026
43AQI (US)
18th January 2026
40AQI (US)
19th January 2026
35AQI (US)
20th January 2026
48AQI (US)
21st January 2026
18AQI (US)
22nd January 2026
23AQI (US)
23rd January 2026
36AQI (US)
24th January 2026
34AQI (US)
25th January 2026
17AQI (US)
26th January 2026
18AQI (US)
27th January 2026
38AQI (US)
28th January 2026
35AQI (US)
29th January 2026
20AQI (US)
30th January 2026
26AQI (US)
31st January 2026
38AQI (US)
1st February 2026
39AQI (US)
2nd February 2026
32AQI (US)
3rd February 2026
21AQI (US)
4th February 2026
39AQI (US)
5th February 2026
59AQI (US)
6th February 2026
55AQI (US)
7th February 2026
12AQI (US)
8th February 2026
14AQI (US)
9th February 2026
33AQI (US)
10th February 2026
42AQI (US)
11th February 2026
12th February 2026
13th February 2026
14th February 2026
15th February 2026
16th February 2026
17th February 2026
18th February 2026
19th February 2026
20th February 2026
21st February 2026
22nd February 2026
23rd February 2026
24th February 2026
25th February 2026
26th February 2026
27th February 2026
28th February 2026
1st March 2026
2nd March 2026
3rd March 2026
4th March 2026
5th March 2026
6th March 2026
7th March 2026
8th March 2026
9th March 2026
10th March 2026
11th March 2026
12th March 2026
13th March 2026
14th March 2026
15th March 2026
16th March 2026
17th March 2026
18th March 2026
19th March 2026
20th March 2026
21st March 2026
22nd March 2026
23rd March 2026
24th March 2026
25th March 2026
26th March 2026
27th March 2026
28th March 2026
29th March 2026
30th March 2026
31st March 2026
1st April 2026
2nd April 2026
3rd April 2026
4th April 2026
5th April 2026
6th April 2026
7th April 2026
8th April 2026
9th April 2026
10th April 2026
11th April 2026
12th April 2026
13th April 2026
14th April 2026
15th April 2026
16th April 2026
17th April 2026
18th April 2026
19th April 2026
20th April 2026
21st April 2026
22nd April 2026
23rd April 2026
24th April 2026
25th April 2026
26th April 2026
27th April 2026
28th April 2026
29th April 2026
30th April 2026
1st May 2026
2nd May 2026
3rd May 2026
4th May 2026
5th May 2026
6th May 2026
7th May 2026
8th May 2026
9th May 2026
10th May 2026
11th May 2026
12th May 2026
13th May 2026
14th May 2026
15th May 2026
16th May 2026
17th May 2026
18th May 2026
19th May 2026
20th May 2026
21st May 2026
22nd May 2026
23rd May 2026
24th May 2026
25th May 2026
26th May 2026
27th May 2026
28th May 2026
29th May 2026
30th May 2026
31st May 2026
1st June 2026
2nd June 2026
3rd June 2026
4th June 2026
5th June 2026
6th June 2026
7th June 2026
8th June 2026
9th June 2026
10th June 2026
11th June 2026
12th June 2026
13th June 2026
14th June 2026
15th June 2026
16th June 2026
17th June 2026
18th June 2026
19th June 2026
20th June 2026
21st June 2026
22nd June 2026
23rd June 2026
24th June 2026
25th June 2026
26th June 2026
27th June 2026
28th June 2026
29th June 2026
30th June 2026
1st July 2026
2nd July 2026
3rd July 2026
4th July 2026
5th July 2026
6th July 2026
7th July 2026
8th July 2026
9th July 2026
10th July 2026
11th July 2026
12th July 2026
13th July 2026
14th July 2026
15th July 2026
16th July 2026
17th July 2026
18th July 2026
19th July 2026
20th July 2026
21st July 2026
22nd July 2026
23rd July 2026
24th July 2026
25th July 2026
26th July 2026
27th July 2026
28th July 2026
29th July 2026
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
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)

No. of days

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

202630AQI (US)

31
8
2
39
2

Highest AQI (US) recorded in

February

35AQI (US)

Lowest AQI (US) recorded in

January

28AQI (US)

202540AQI (US)

27
4
27
1
25
6
26
4
28
3
28
2
23
8
25
6
30
21
10
21
9
20
10
1
301
63
1

Highest AQI (US) recorded in

July

48AQI (US)

Lowest AQI (US) recorded in

September

34AQI (US)

202440AQI (US)

25
6
25
4
25
6
21
9
25
6
25
5
13
18
28
3
27
3
29
2
24
6
29
2
296
70

Highest AQI (US) recorded in

July

55AQI (US)

Lowest AQI (US) recorded in

August

34AQI (US)

202342AQI (US)

25
5
1
22
6
24
7
22
8
26
5
19
11
22
9
28
3
28
2
27
4
18
11
22
9
283
80
1

Highest AQI (US) recorded in

December

46AQI (US)

Lowest AQI (US) recorded in

August

34AQI (US)

202242AQI (US)

26
5
18
3
21
10
21
9
26
5
18
12
14
7
1
27
2
24
7
21
9
25
6
242
75

Highest AQI (US) recorded in

June

47AQI (US)

Lowest AQI (US) recorded in

September

37AQI (US)

202140AQI (US)

23
7
1
19
9
23
8
27
3
24
7
25
5
30
1
28
3
28
2
29
2
26
4
19
12
301
63
1

Highest AQI (US) recorded in

December

46AQI (US)

Lowest AQI (US) recorded in

July

35AQI (US)

202042AQI (US)

9
3
19
2
17
1
24
6
12
1
20
11
17
2
26
5
9
9
3
4
1
156
44
1

Highest AQI (US) recorded in

December

61AQI (US)

Lowest AQI (US) recorded in

July

24AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2023(Avg.)
42AQI (US)
Least Polluted Year Recorded
2026(Avg.)
30AQI (US)

Nakamuraminami's annual 2026 AQI (US) (30) shows an average percentage change of -27.3% (improved AQI (US)) compared to previous years: 2020 (42), 2021 (40), 2022 (42), 2023 (42), 2024 (40), 2025 (40).