Hanazakicho, Narita, Chiba, 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+
October Air Quality Analysis
Hanazakicho, Narita, Chiba, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
23rd Oct 2022
70AQILowest AQI recorded on
7th Oct 2022
19AQISame Day Analysis (22nd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 34 of Good air quality, showing improvement over 2024 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 22nd Oct - 23rd Oct 2025
Hanazakicho, Narita, Chiba, Japan
AQI
Day
Night
.
5 AM22nd Oct 2025
5 PM
4 AM23rd Oct 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
5PM22nd Oct
38AQI
Avg. Lowest Time
2AM23rd Oct
19AQI
In the last 24 hours,
Hanazakicho's AQI reached its highest point of 38 at 5 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 22nd Oct and 23rd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Hanazakicho, Narita, Chiba, Japan
SepOct
23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd
Day
Night
23rd Sep 2025315 AMAQI
23rd Sep 2025306 AMAQI
23rd Sep 2025307 AMAQI
23rd Sep 2025318 AMAQI
23rd Sep 2025289 AMAQI
23rd Sep 20252810 AMAQI
23rd Sep 20252311 AMAQI
23rd Sep 20252312 PMAQI
23rd Sep 2025201 PMAQI
23rd Sep 2025192 PMAQI
23rd Sep 2025203 PMAQI
23rd Sep 2025204 PMAQI
23rd Sep 2025195 PMAQI
23rd Sep 2025206 PMAQI
23rd Sep 2025197 PMAQI
23rd Sep 2025228 PMAQI
23rd Sep 2025269 PMAQI
23rd Sep 20252510 PMAQI
23rd Sep 20252411 PMAQI
24th Sep 20252412 AMAQI
24th Sep 2025271 AMAQI
24th Sep 2025282 AMAQI
24th Sep 2025293 AMAQI
24th Sep 2025284 AMAQI
22°C19/26°C
24th Sep 2025285 AMAQI
24th Sep 2025286 AMAQI
24th Sep 2025287 AMAQI
24th Sep 2025288 AMAQI
24th Sep 2025279 AMAQI
24th Sep 20252010 AMAQI
24th Sep 20252311 AMAQI
24th Sep 20252212 PMAQI
24th Sep 2025241 PMAQI
24th Sep 2025252 PMAQI
24th Sep 2025243 PMAQI
24th Sep 2025224 PMAQI
24th Sep 2025225 PMAQI
24th Sep 2025216 PMAQI
24th Sep 2025237 PMAQI
24th Sep 2025258 PMAQI
24th Sep 2025279 PMAQI
24th Sep 20252610 PMAQI
24th Sep 20252411 PMAQI
25th Sep 20252412 AMAQI
25th Sep 2025271 AMAQI
25th Sep 2025272 AMAQI
25th Sep 2025263 AMAQI
25th Sep 2025254 AMAQI
22°C19/26°C
25th Sep 2025265 AMAQI
25th Sep 2025266 AMAQI
25th Sep 2025267 AMAQI
25th Sep 2025268 AMAQI
25th Sep 2025349 AMAQI
25th Sep 20252810 AMAQI
25th Sep 20253011 AMAQI
25th Sep 20252812 PMAQI
25th Sep 2025281 PMAQI
25th Sep 2025402 PMAQI
25th Sep 2025373 PMAQI
25th Sep 2025374 PMAQI
25th Sep 2025325 PMAQI
25th Sep 2025326 PMAQI
25th Sep 2025397 PMAQI
25th Sep 2025338 PMAQI
25th Sep 2025289 PMAQI
25th Sep 20252810 PMAQI
25th Sep 20252811 PMAQI
26th Sep 20252612 AMAQI
26th Sep 2025261 AMAQI
26th Sep 2025222 AMAQI
26th Sep 2025253 AMAQI
26th Sep 2025334 AMAQI
24°C20/29°C
26th Sep 2025335 AMAQI
26th Sep 2025306 AMAQI
26th Sep 2025407 AMAQI
26th Sep 2025518 AMAQI
26th Sep 2025469 AMAQI
26th Sep 20254510 AMAQI
26th Sep 20255411 AMAQI
26th Sep 20255512 PMAQI
26th Sep 2025621 PMAQI
26th Sep 2025812 PMAQI
26th Sep 2025673 PMAQI
26th Sep 2025554 PMAQI
26th Sep 2025565 PMAQI
26th Sep 2025576 PMAQI
26th Sep 2025517 PMAQI
26th Sep 2025608 PMAQI
26th Sep 2025679 PMAQI
26th Sep 20255110 PMAQI
26th Sep 20254711 PMAQI
27th Sep 20253512 AMAQI
27th Sep 2025281 AMAQI
27th Sep 2025232 AMAQI
27th Sep 2025263 AMAQI
27th Sep 2025284 AMAQI
26°C22/31°C
27th Sep 2025295 AMAQI
27th Sep 2025306 AMAQI
27th Sep 2025317 AMAQI
27th Sep 2025358 AMAQI
27th Sep 2025349 AMAQI
27th Sep 20253310 AMAQI
27th Sep 20253311 AMAQI
27th Sep 20253812 PMAQI
27th Sep 2025401 PMAQI
27th Sep 2025372 PMAQI
27th Sep 2025313 PMAQI
27th Sep 2025304 PMAQI
27th Sep 2025335 PMAQI
27th Sep 2025386 PMAQI
27th Sep 2025297 PMAQI
27th Sep 2025328 PMAQI
27th Sep 2025379 PMAQI
27th Sep 20253310 PMAQI
27th Sep 20253511 PMAQI
28th Sep 20253912 AMAQI
28th Sep 2025391 AMAQI
28th Sep 2025392 AMAQI
28th Sep 2025393 AMAQI
28th Sep 2025344 AMAQI
24°C22/27°C
28th Sep 2025335 AMAQI
28th Sep 2025336 AMAQI
28th Sep 2025357 AMAQI
28th Sep 2025398 AMAQI
28th Sep 2025419 AMAQI
28th Sep 20254410 AMAQI
28th Sep 20253011 AMAQI
28th Sep 20253012 PMAQI
28th Sep 2025331 PMAQI
28th Sep 2025302 PMAQI
28th Sep 2025243 PMAQI
28th Sep 2025244 PMAQI
28th Sep 2025265 PMAQI
28th Sep 2025246 PMAQI
28th Sep 2025267 PMAQI
28th Sep 2025268 PMAQI
28th Sep 2025209 PMAQI
28th Sep 20252010 PMAQI
28th Sep 20251911 PMAQI
29th Sep 20252112 AMAQI
29th Sep 2025241 AMAQI
29th Sep 2025192 AMAQI
29th Sep 2025143 AMAQI
29th Sep 2025154 AMAQI
24°C22/27°C
29th Sep 2025115 AMAQI
29th Sep 2025216 AMAQI
29th Sep 2025247 AMAQI
29th Sep 2025408 AMAQI
29th Sep 2025499 AMAQI
29th Sep 20254210 AMAQI
29th Sep 20254311 AMAQI
29th Sep 20254812 PMAQI
29th Sep 2025441 PMAQI
29th Sep 2025442 PMAQI
29th Sep 2025443 PMAQI
29th Sep 2025314 PMAQI
29th Sep 2025345 PMAQI
29th Sep 2025446 PMAQI
29th Sep 2025447 PMAQI
29th Sep 2025268 PMAQI
29th Sep 2025259 PMAQI
29th Sep 20252710 PMAQI
29th Sep 20252011 PMAQI
30th Sep 20251712 AMAQI
30th Sep 2025151 AMAQI
30th Sep 2025172 AMAQI
30th Sep 2025173 AMAQI
30th Sep 2025174 AMAQI
26°C22/31°C
30th Sep 2025175 AMAQI
30th Sep 2025226 AMAQI
30th Sep 2025227 AMAQI
30th Sep 2025228 AMAQI
30th Sep 2025279 AMAQI
30th Sep 20253510 AMAQI
30th Sep 20252911 AMAQI
30th Sep 20253012 PMAQI
30th Sep 2025321 PMAQI
30th Sep 2025322 PMAQI
30th Sep 2025333 PMAQI
30th Sep 2025314 PMAQI
30th Sep 2025395 PMAQI
30th Sep 2025366 PMAQI
30th Sep 2025367 PMAQI
30th Sep 2025318 PMAQI
30th Sep 2025279 PMAQI
30th Sep 20252510 PMAQI
30th Sep 20253211 PMAQI
1st Oct 20253412 AMAQI
1st Oct 2025361 AMAQI
1st Oct 2025322 AMAQI
1st Oct 2025323 AMAQI
1st Oct 2025294 AMAQI
24°C21/27°C
1st Oct 2025395 AMAQI
1st Oct 2025296 AMAQI
1st Oct 2025267 AMAQI
1st Oct 2025298 AMAQI
1st Oct 2025279 AMAQI
1st Oct 20252110 AMAQI
1st Oct 20252011 AMAQI
1st Oct 20252912 PMAQI
1st Oct 2025361 PMAQI
1st Oct 2025402 PMAQI
1st Oct 2025503 PMAQI
1st Oct 2025524 PMAQI
1st Oct 2025535 PMAQI
1st Oct 2025476 PMAQI
1st Oct 2025427 PMAQI
1st Oct 2025298 PMAQI
1st Oct 2025269 PMAQI
1st Oct 20253610 PMAQI
1st Oct 20254011 PMAQI
2nd Oct 20253612 AMAQI
2nd Oct 2025401 AMAQI
2nd Oct 2025392 AMAQI
2nd Oct 2025383 AMAQI
2nd Oct 2025414 AMAQI
20°C18/21°C
2nd Oct 2025445 AMAQI
2nd Oct 2025466 AMAQI
2nd Oct 2025477 AMAQI
2nd Oct 2025508 AMAQI
2nd Oct 2025489 AMAQI
2nd Oct 20254510 AMAQI
2nd Oct 20255311 AMAQI
2nd Oct 20255412 PMAQI
2nd Oct 2025541 PMAQI
2nd Oct 2025542 PMAQI
2nd Oct 2025543 PMAQI
2nd Oct 2025534 PMAQI
2nd Oct 2025515 PMAQI
2nd Oct 2025506 PMAQI
2nd Oct 2025547 PMAQI
2nd Oct 2025538 PMAQI
2nd Oct 2025499 PMAQI
2nd Oct 20254810 PMAQI
2nd Oct 20255511 PMAQI
3rd Oct 20255512 AMAQI
3rd Oct 2025511 AMAQI
3rd Oct 2025402 AMAQI
3rd Oct 2025533 AMAQI
3rd Oct 2025574 AMAQI
22°C18/27°C
3rd Oct 2025565 AMAQI
3rd Oct 2025426 AMAQI
3rd Oct 2025427 AMAQI
3rd Oct 2025398 AMAQI
3rd Oct 2025409 AMAQI
3rd Oct 20254610 AMAQI
3rd Oct 20254411 AMAQI
3rd Oct 20254412 PMAQI
3rd Oct 2025351 PMAQI
3rd Oct 2025392 PMAQI
3rd Oct 2025443 PMAQI
3rd Oct 2025534 PMAQI
3rd Oct 2025525 PMAQI
3rd Oct 2025566 PMAQI
3rd Oct 2025467 PMAQI
3rd Oct 2025448 PMAQI
3rd Oct 2025669 PMAQI
3rd Oct 20256410 PMAQI
3rd Oct 20256611 PMAQI
4th Oct 20256512 AMAQI
4th Oct 2025661 AMAQI
4th Oct 2025662 AMAQI
4th Oct 2025683 AMAQI
4th Oct 2025694 AMAQI
23°C20/26°C
4th Oct 2025665 AMAQI
4th Oct 2025606 AMAQI
4th Oct 2025567 AMAQI
4th Oct 2025588 AMAQI
4th Oct 2025619 AMAQI
4th Oct 20256310 AMAQI
4th Oct 20256011 AMAQI
4th Oct 20256812 PMAQI
4th Oct 2025681 PMAQI
4th Oct 2025692 PMAQI
4th Oct 2025583 PMAQI
4th Oct 2025564 PMAQI
4th Oct 2025495 PMAQI
4th Oct 2025446 PMAQI
4th Oct 2025537 PMAQI
4th Oct 2025548 PMAQI
4th Oct 2025539 PMAQI
4th Oct 20256210 PMAQI
4th Oct 20256811 PMAQI
5th Oct 20255512 AMAQI
5th Oct 2025561 AMAQI
5th Oct 2025572 AMAQI
5th Oct 2025573 AMAQI
5th Oct 2025604 AMAQI
23°C21/26°C
5th Oct 2025605 AMAQI
5th Oct 2025526 AMAQI
5th Oct 2025557 AMAQI
5th Oct 2025548 AMAQI
5th Oct 2025569 AMAQI
5th Oct 20255710 AMAQI
5th Oct 20255611 AMAQI
5th Oct 20256012 PMAQI
5th Oct 2025601 PMAQI
5th Oct 2025652 PMAQI
5th Oct 2025673 PMAQI
5th Oct 2025664 PMAQI
5th Oct 2025575 PMAQI
5th Oct 2025566 PMAQI
5th Oct 2025537 PMAQI
5th Oct 2025548 PMAQI
5th Oct 2025559 PMAQI
5th Oct 20255410 PMAQI
5th Oct 20255311 PMAQI
6th Oct 20255412 AMAQI
6th Oct 2025521 AMAQI
6th Oct 2025452 AMAQI
6th Oct 2025483 AMAQI
6th Oct 2025404 AMAQI
25°C21/29°C
6th Oct 2025445 AMAQI
6th Oct 2025436 AMAQI
6th Oct 2025477 AMAQI
6th Oct 2025518 AMAQI
6th Oct 2025649 AMAQI
6th Oct 20256710 AMAQI
6th Oct 20256911 AMAQI
6th Oct 20256612 PMAQI
6th Oct 2025641 PMAQI
6th Oct 2025662 PMAQI
6th Oct 2025633 PMAQI
6th Oct 2025594 PMAQI
6th Oct 2025535 PMAQI
6th Oct 2025486 PMAQI
6th Oct 2025557 PMAQI
6th Oct 2025558 PMAQI
6th Oct 2025569 PMAQI
6th Oct 20255610 PMAQI
6th Oct 20255611 PMAQI
7th Oct 20255812 AMAQI
7th Oct 2025591 AMAQI
7th Oct 2025582 AMAQI
23°C21/27°C
7th Oct 2025518 PMAQI
7th Oct 2025399 PMAQI
7th Oct 20255410 PMAQI
7th Oct 20255511 PMAQI
8th Oct 20255412 AMAQI
8th Oct 2025531 AMAQI
8th Oct 2025552 AMAQI
8th Oct 2025523 AMAQI
8th Oct 2025544 AMAQI
21°C20/24°C
8th Oct 2025495 AMAQI
8th Oct 2025436 AMAQI
8th Oct 2025447 AMAQI
8th Oct 2025518 AMAQI
8th Oct 2025539 AMAQI
8th Oct 20255410 AMAQI
8th Oct 20256011 AMAQI
8th Oct 20255912 PMAQI
8th Oct 2025621 PMAQI
8th Oct 2025652 PMAQI
8th Oct 2025623 PMAQI
8th Oct 2025634 PMAQI
8th Oct 2025605 PMAQI
8th Oct 2025606 PMAQI
8th Oct 2025627 PMAQI
8th Oct 2025618 PMAQI
8th Oct 2025629 PMAQI
8th Oct 20256610 PMAQI
8th Oct 20256511 PMAQI
9th Oct 20256212 AMAQI
9th Oct 2025621 AMAQI
9th Oct 2025662 AMAQI
9th Oct 2025653 AMAQI
9th Oct 2025644 AMAQI
23°C20/28°C
9th Oct 2025575 AMAQI
9th Oct 2025566 AMAQI
9th Oct 2025577 AMAQI
9th Oct 2025528 AMAQI
9th Oct 2025519 AMAQI
9th Oct 20254710 AMAQI
9th Oct 20255311 AMAQI
9th Oct 20255512 PMAQI
9th Oct 2025551 PMAQI
9th Oct 2025562 PMAQI
9th Oct 2025563 PMAQI
9th Oct 2025554 PMAQI
9th Oct 2025555 PMAQI
9th Oct 2025596 PMAQI
9th Oct 2025597 PMAQI
9th Oct 2025518 PMAQI
9th Oct 2025549 PMAQI
9th Oct 20255210 PMAQI
9th Oct 20255511 PMAQI
10th Oct 20255612 AMAQI
10th Oct 2025561 AMAQI
10th Oct 2025532 AMAQI
10th Oct 2025533 AMAQI
10th Oct 2025534 AMAQI
21°C18/22°C
10th Oct 2025505 AMAQI
10th Oct 2025486 AMAQI
10th Oct 2025497 AMAQI
10th Oct 2025528 AMAQI
10th Oct 2025559 AMAQI
10th Oct 20255710 AMAQI
10th Oct 20255611 AMAQI
10th Oct 20256312 PMAQI
10th Oct 2025621 PMAQI
10th Oct 2025582 PMAQI
10th Oct 2025563 PMAQI
10th Oct 2025564 PMAQI
10th Oct 2025555 PMAQI
10th Oct 2025566 PMAQI
10th Oct 2025607 PMAQI
10th Oct 2025608 PMAQI
10th Oct 2025599 PMAQI
10th Oct 20256310 PMAQI
10th Oct 20256411 PMAQI
11th Oct 20256312 AMAQI
11th Oct 2025621 AMAQI
11th Oct 2025682 AMAQI
11th Oct 2025653 AMAQI
11th Oct 2025644 AMAQI
20°C17/23°C
11th Oct 2025645 AMAQI
11th Oct 2025566 AMAQI
11th Oct 2025617 AMAQI
11th Oct 2025628 AMAQI
11th Oct 2025639 AMAQI
11th Oct 20255410 AMAQI
11th Oct 20255311 AMAQI
11th Oct 20255212 PMAQI
11th Oct 2025441 PMAQI
11th Oct 2025482 PMAQI
11th Oct 2025433 PMAQI
11th Oct 2025394 PMAQI
11th Oct 2025445 PMAQI
11th Oct 2025296 PMAQI
11th Oct 2025317 PMAQI
11th Oct 2025218 PMAQI
11th Oct 2025419 PMAQI
11th Oct 20253110 PMAQI
11th Oct 20253811 PMAQI
12th Oct 20253112 AMAQI
12th Oct 2025351 AMAQI
12th Oct 2025452 AMAQI
12th Oct 2025453 AMAQI
12th Oct 2025474 AMAQI
19°C17/20°C
12th Oct 2025505 AMAQI
12th Oct 2025326 AMAQI
12th Oct 2025387 AMAQI
12th Oct 2025338 AMAQI
12th Oct 2025499 AMAQI
12th Oct 20255510 AMAQI
12th Oct 20255211 AMAQI
12th Oct 20254612 PMAQI
12th Oct 2025461 PMAQI
12th Oct 2025522 PMAQI
12th Oct 2025533 PMAQI
12th Oct 2025494 PMAQI
12th Oct 2025535 PMAQI
12th Oct 2025656 PMAQI
12th Oct 2025697 PMAQI
12th Oct 2025668 PMAQI
12th Oct 2025619 PMAQI
12th Oct 20256010 PMAQI
12th Oct 20256211 PMAQI
13th Oct 20255512 AMAQI
13th Oct 2025571 AMAQI
13th Oct 2025582 AMAQI
13th Oct 2025593 AMAQI
13th Oct 2025574 AMAQI
21°C16/25°C
13th Oct 2025585 AMAQI
13th Oct 2025566 AMAQI
13th Oct 2025607 AMAQI
13th Oct 2025688 AMAQI
13th Oct 2025669 AMAQI
13th Oct 20256610 AMAQI
13th Oct 20256711 AMAQI
13th Oct 20256312 PMAQI
13th Oct 2025621 PMAQI
13th Oct 2025612 PMAQI
13th Oct 2025613 PMAQI
13th Oct 2025614 PMAQI
13th Oct 2025535 PMAQI
13th Oct 2025536 PMAQI
13th Oct 2025537 PMAQI
13th Oct 2025528 PMAQI
13th Oct 2025499 PMAQI
13th Oct 20255410 PMAQI
13th Oct 20255611 PMAQI
14th Oct 20255612 AMAQI
14th Oct 2025581 AMAQI
14th Oct 2025562 AMAQI
14th Oct 2025573 AMAQI
14th Oct 2025574 AMAQI
21°C19/23°C
14th Oct 2025595 AMAQI
14th Oct 2025616 AMAQI
14th Oct 2025607 AMAQI
14th Oct 2025568 AMAQI
14th Oct 2025589 AMAQI
14th Oct 20256010 AMAQI
14th Oct 20256811 AMAQI
14th Oct 20256912 PMAQI
14th Oct 2025681 PMAQI
14th Oct 2025602 PMAQI
14th Oct 2025603 PMAQI
14th Oct 2025574 PMAQI
14th Oct 2025555 PMAQI
14th Oct 2025486 PMAQI
14th Oct 2025457 PMAQI
14th Oct 2025408 PMAQI
14th Oct 2025419 PMAQI
14th Oct 20253910 PMAQI
14th Oct 20255311 PMAQI
15th Oct 20254812 AMAQI
15th Oct 2025491 AMAQI
15th Oct 2025432 AMAQI
15th Oct 2025453 AMAQI
15th Oct 2025494 AMAQI
19°C16/21°C
15th Oct 2025405 AMAQI
15th Oct 2025316 AMAQI
15th Oct 2025187 AMAQI
15th Oct 2025368 AMAQI
15th Oct 2025409 AMAQI
15th Oct 20255310 AMAQI
15th Oct 20254811 AMAQI
15th Oct 20254712 PMAQI
15th Oct 2025501 PMAQI
15th Oct 2025452 PMAQI
15th Oct 2025463 PMAQI
15th Oct 2025474 PMAQI
15th Oct 2025535 PMAQI
15th Oct 2025546 PMAQI
15th Oct 2025577 PMAQI
15th Oct 2025618 PMAQI
15th Oct 2025569 PMAQI
15th Oct 20255610 PMAQI
15th Oct 20255611 PMAQI
16th Oct 20255512 AMAQI
16th Oct 2025541 AMAQI
16th Oct 2025542 AMAQI
16th Oct 2025553 AMAQI
16th Oct 2025584 AMAQI
18°C16/20°C
16th Oct 2025565 AMAQI
16th Oct 2025526 AMAQI
16th Oct 2025507 AMAQI
16th Oct 2025528 AMAQI
16th Oct 2025539 AMAQI
16th Oct 20255610 AMAQI
16th Oct 20254911 AMAQI
16th Oct 20255212 PMAQI
16th Oct 2025561 PMAQI
16th Oct 2025572 PMAQI
16th Oct 2025633 PMAQI
16th Oct 2025674 PMAQI
16th Oct 2025735 PMAQI
16th Oct 2025706 PMAQI
16th Oct 2025687 PMAQI
16th Oct 2025678 PMAQI
16th Oct 2025639 PMAQI
16th Oct 20256810 PMAQI
16th Oct 20256111 PMAQI
17th Oct 20255412 AMAQI
17th Oct 2025561 AMAQI
17th Oct 2025562 AMAQI
17th Oct 2025553 AMAQI
17th Oct 2025564 AMAQI
21°C19/24°C
17th Oct 2025555 AMAQI
17th Oct 2025516 AMAQI
17th Oct 2025517 AMAQI
17th Oct 2025468 AMAQI
17th Oct 2025429 AMAQI
17th Oct 20254410 AMAQI
17th Oct 20255011 AMAQI
17th Oct 20255012 PMAQI
17th Oct 2025501 PMAQI
17th Oct 2025522 PMAQI
17th Oct 2025473 PMAQI
17th Oct 2025464 PMAQI
17th Oct 2025545 PMAQI
17th Oct 2025556 PMAQI
17th Oct 2025577 PMAQI
17th Oct 2025548 PMAQI
17th Oct 2025559 PMAQI
17th Oct 20255410 PMAQI
17th Oct 20255911 PMAQI
18th Oct 20255712 AMAQI
18th Oct 2025581 AMAQI
18th Oct 2025602 AMAQI
18th Oct 2025623 AMAQI
18th Oct 2025574 AMAQI
20°C18/24°C
18th Oct 2025495 AMAQI
18th Oct 2025506 AMAQI
18th Oct 2025487 AMAQI
18th Oct 2025598 AMAQI
18th Oct 2025599 AMAQI
18th Oct 20255810 AMAQI
18th Oct 20256011 AMAQI
18th Oct 20256112 PMAQI
18th Oct 2025631 PMAQI
18th Oct 2025612 PMAQI
18th Oct 2025643 PMAQI
18th Oct 2025684 PMAQI
18th Oct 2025635 PMAQI
18th Oct 2025686 PMAQI
18th Oct 2025617 PMAQI
18th Oct 2025518 PMAQI
18th Oct 2025529 PMAQI
18th Oct 20254810 PMAQI
18th Oct 20254611 PMAQI
19th Oct 20254512 AMAQI
19th Oct 2025531 AMAQI
19th Oct 2025532 AMAQI
19th Oct 2025563 AMAQI
19th Oct 2025574 AMAQI
22°C18/26°C
19th Oct 2025445 AMAQI
19th Oct 2025386 AMAQI
19th Oct 2025407 AMAQI
19th Oct 2025428 AMAQI
19th Oct 2025629 AMAQI
19th Oct 20256610 AMAQI
19th Oct 20256511 AMAQI
19th Oct 20256212 PMAQI
19th Oct 2025541 PMAQI
19th Oct 2025532 PMAQI
19th Oct 2025543 PMAQI
19th Oct 2025574 PMAQI
19th Oct 2025545 PMAQI
19th Oct 2025596 PMAQI
19th Oct 2025547 PMAQI
19th Oct 2025548 PMAQI
19th Oct 2025509 PMAQI
19th Oct 20254910 PMAQI
19th Oct 20255011 PMAQI
20th Oct 20255312 AMAQI
20th Oct 2025561 AMAQI
20th Oct 2025532 AMAQI
20th Oct 2025543 AMAQI
20th Oct 2025524 AMAQI
20°C18/22°C
20th Oct 2025545 AMAQI
20th Oct 2025276 AMAQI
20th Oct 2025357 AMAQI
20th Oct 2025418 AMAQI
20th Oct 2025279 AMAQI
20th Oct 20254410 AMAQI
20th Oct 20255211 AMAQI
20th Oct 20255512 PMAQI
20th Oct 2025541 PMAQI
20th Oct 2025552 PMAQI
20th Oct 2025563 PMAQI
20th Oct 2025584 PMAQI
20th Oct 2025585 PMAQI
20th Oct 2025556 PMAQI
20th Oct 2025547 PMAQI
20th Oct 2025558 PMAQI
20th Oct 2025549 PMAQI
20th Oct 20255510 PMAQI
20th Oct 20255511 PMAQI
21st Oct 20255612 AMAQI
21st Oct 2025381 AMAQI
21st Oct 2025472 AMAQI
21st Oct 2025543 AMAQI
21st Oct 2025544 AMAQI
17°C16/19°C
21st Oct 2025235 AMAQI
21st Oct 2025226 AMAQI
21st Oct 2025187 AMAQI
21st Oct 2025148 AMAQI
21st Oct 2025159 AMAQI
21st Oct 20251410 AMAQI
21st Oct 20252711 AMAQI
21st Oct 20252712 PMAQI
21st Oct 2025261 PMAQI
21st Oct 2025252 PMAQI
21st Oct 2025253 PMAQI
21st Oct 2025234 PMAQI
21st Oct 2025245 PMAQI
21st Oct 2025196 PMAQI
21st Oct 2025167 PMAQI
21st Oct 2025468 PMAQI
21st Oct 2025549 PMAQI
21st Oct 20255410 PMAQI
21st Oct 20253011 PMAQI
22nd Oct 20252312 AMAQI
22nd Oct 2025341 AMAQI
22nd Oct 2025362 AMAQI
22nd Oct 2025373 AMAQI
22nd Oct 2025324 AMAQI
15°C14/16°C
22nd Oct 2025235 AMAQI
22nd Oct 2025216 AMAQI
22nd Oct 2025237 AMAQI
22nd Oct 2025228 AMAQI
22nd Oct 2025249 AMAQI
22nd Oct 20252010 AMAQI
22nd Oct 20252811 AMAQI
22nd Oct 20253212 PMAQI
22nd Oct 2025321 PMAQI
22nd Oct 2025242 PMAQI
22nd Oct 2025203 PMAQI
22nd Oct 2025324 PMAQI
22nd Oct 2025385 PMAQI
22nd Oct 2025376 PMAQI
22nd Oct 2025307 PMAQI
22nd Oct 2025258 PMAQI
22nd Oct 2025319 PMAQI
22nd Oct 20253410 PMAQI
22nd Oct 20252711 PMAQI
23rd Oct 20252312 AMAQI
23rd Oct 2025221 AMAQI
23rd Oct 2025192 AMAQI
--°C/°C
5 AM
11 AM
5 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
9 AM - 5 PM
47AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
6 AM - 7 AM
40AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 5 PM (Avg. 47), while the lowest AQI was between 6 AM to 7 AM (Avg. 40).
Night time
Avg. Highest Time
6 PM - 11 PM
46AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
12 AM - 2 AM
44AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 PM to 11 PM (Avg. 46), while the lowest AQI was between 12 AM to 2 AM (Avg. 44).
2025 Days Vs Air Quality
Hanazakicho, Narita, Chiba, Japan
2025
86%
255
14%
40
Total number of days with different AQI categories in last 295 days in 2025 (70 days remaining)
Good
255 DaysModerate
40 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2025, 86% of 295 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
Hanazakicho, Narita, Chiba, Japan
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
34AQI
34AQI
2nd January 2025
32AQI
32AQI
3rd January 2025
26AQI
26AQI
4th January 2025
30AQI
30AQI
5th January 2025
36AQI
36AQI
6th January 2025
54AQI
54AQI
7th January 2025
34AQI
34AQI
8th January 2025
39AQI
39AQI
9th January 2025
31AQI
31AQI
10th January 2025
31AQI
31AQI
11th January 2025
35AQI
35AQI
12th January 2025
32AQI
32AQI
13th January 2025
32AQI
32AQI
14th January 2025
39AQI
39AQI
15th January 2025
39AQI
39AQI
16th January 2025
35AQI
35AQI
17th January 2025
33AQI
33AQI
18th January 2025
38AQI
38AQI
19th January 2025
52AQI
52AQI
20th January 2025
42AQI
42AQI
21st January 2025
42AQI
42AQI
22nd January 2025
43AQI
43AQI
23rd January 2025
46AQI
46AQI
24th January 2025
42AQI
42AQI
25th January 2025
40AQI
40AQI
26th January 2025
35AQI
35AQI
27th January 2025
37AQI
37AQI
28th January 2025
37AQI
37AQI
29th January 2025
31AQI
31AQI
30th January 2025
32AQI
32AQI
31st January 2025
31AQI
31AQI
1st February 2025
38AQI
38AQI
2nd February 2025
30AQI
30AQI
3rd February 2025
37AQI
37AQI
4th February 2025
33AQI
33AQI
5th February 2025
33AQI
33AQI
6th February 2025
30AQI
30AQI
7th February 2025
30AQI
30AQI
8th February 2025
31AQI
31AQI
9th February 2025
31AQI
31AQI
10th February 2025
32AQI
32AQI
11th February 2025
33AQI
33AQI
12th February 2025
34AQI
34AQI
13th February 2025
40AQI
40AQI
14th February 2025
32AQI
32AQI
15th February 2025
39AQI
39AQI
16th February 2025
40AQI
40AQI
17th February 2025
39AQI
39AQI
18th February 2025
33AQI
33AQI
19th February 2025
32AQI
32AQI
20th February 2025
31AQI
31AQI
21st February 2025
32AQI
32AQI
22nd February 2025
33AQI
33AQI
23rd February 2025
33AQI
33AQI
24th February 2025
33AQI
33AQI
25th February 2025
35AQI
35AQI
26th February 2025
36AQI
36AQI
27th February 2025
41AQI
41AQI
28th February 2025
51AQI
51AQI
1st March 2025
45AQI
45AQI
2nd March 2025
62AQI
62AQI
3rd March 2025
39AQI
39AQI
4th March 2025
42AQI
42AQI
5th March 2025
27AQI
27AQI
6th March 2025
32AQI
32AQI
7th March 2025
32AQI
32AQI
8th March 2025
34AQI
34AQI
9th March 2025
34AQI
34AQI
10th March 2025
38AQI
38AQI
11th March 2025
37AQI
37AQI
12th March 2025
39AQI
39AQI
13th March 2025
42AQI
42AQI
14th March 2025
38AQI
38AQI
15th March 2025
34AQI
34AQI
16th March 2025
23AQI
23AQI
17th March 2025
19AQI
19AQI
18th March 2025
23AQI
23AQI
19th March 2025
19AQI
19AQI
20th March 2025
24AQI
24AQI
21st March 2025
40AQI
40AQI
22nd March 2025
50AQI
50AQI
23rd March 2025
53AQI
53AQI
24th March 2025
51AQI
51AQI
25th March 2025
68AQI
68AQI
26th March 2025
79AQI
79AQI
27th March 2025
71AQI
71AQI
28th March 2025
47AQI
47AQI
29th March 2025
40AQI
40AQI
30th March 2025
39AQI
39AQI
31st March 2025
34AQI
34AQI
1st April 2025
28AQI
28AQI
2nd April 2025
23AQI
23AQI
3rd April 2025
20AQI
20AQI
4th April 2025
20AQI
20AQI
5th April 2025
24AQI
24AQI
6th April 2025
22AQI
22AQI
7th April 2025
32AQI
32AQI
8th April 2025
38AQI
38AQI
9th April 2025
29AQI
29AQI
10th April 2025
48AQI
48AQI
11th April 2025
41AQI
41AQI
12th April 2025
37AQI
37AQI
13th April 2025
32AQI
32AQI
14th April 2025
41AQI
41AQI
15th April 2025
29AQI
29AQI
16th April 2025
34AQI
34AQI
17th April 2025
44AQI
44AQI
18th April 2025
51AQI
51AQI
19th April 2025
61AQI
61AQI
20th April 2025
47AQI
47AQI
21st April 2025
47AQI
47AQI
22nd April 2025
45AQI
45AQI
23rd April 2025
31AQI
31AQI
24th April 2025
40AQI
40AQI
25th April 2025
41AQI
41AQI
26th April 2025
48AQI
48AQI
27th April 2025
49AQI
49AQI
28th April 2025
43AQI
43AQI
29th April 2025
36AQI
36AQI
30th April 2025
45AQI
45AQI
1st May 2025
37AQI
37AQI
2nd May 2025
30AQI
30AQI
3rd May 2025
31AQI
31AQI
4th May 2025
37AQI
37AQI
5th May 2025
32AQI
32AQI
6th May 2025
26AQI
26AQI
7th May 2025
23AQI
23AQI
8th May 2025
26AQI
26AQI
9th May 2025
27AQI
27AQI
10th May 2025
23AQI
23AQI
11th May 2025
31AQI
31AQI
12th May 2025
27AQI
27AQI
13th May 2025
38AQI
38AQI
14th May 2025
30AQI
30AQI
15th May 2025
37AQI
37AQI
16th May 2025
40AQI
40AQI
17th May 2025
27AQI
27AQI
18th May 2025
45AQI
45AQI
19th May 2025
41AQI
41AQI
20th May 2025
64AQI
64AQI
21st May 2025
46AQI
46AQI
22nd May 2025
48AQI
48AQI
23rd May 2025
42AQI
42AQI
24th May 2025
41AQI
41AQI
25th May 2025
32AQI
32AQI
26th May 2025
28AQI
28AQI
27th May 2025
26AQI
26AQI
28th May 2025
24AQI
24AQI
29th May 2025
28AQI
28AQI
30th May 2025
24AQI
24AQI
31st May 2025
18AQI
18AQI
1st June 2025
25AQI
25AQI
2nd June 2025
26AQI
26AQI
3rd June 2025
33AQI
33AQI
4th June 2025
31AQI
31AQI
5th June 2025
41AQI
41AQI
6th June 2025
45AQI
45AQI
7th June 2025
49AQI
49AQI
8th June 2025
57AQI
57AQI
9th June 2025
42AQI
42AQI
10th June 2025
35AQI
35AQI
11th June 2025
30AQI
30AQI
12th June 2025
37AQI
37AQI
13th June 2025
36AQI
36AQI
14th June 2025
33AQI
33AQI
15th June 2025
36AQI
36AQI
16th June 2025
38AQI
38AQI
17th June 2025
48AQI
48AQI
18th June 2025
45AQI
45AQI
19th June 2025
42AQI
42AQI
20th June 2025
37AQI
37AQI
21st June 2025
30AQI
30AQI
22nd June 2025
22AQI
22AQI
23rd June 2025
24AQI
24AQI
24th June 2025
22AQI
22AQI
25th June 2025
23AQI
23AQI
26th June 2025
22AQI
22AQI
27th June 2025
29AQI
29AQI
28th June 2025
28AQI
28AQI
29th June 2025
33AQI
33AQI
30th June 2025
37AQI
37AQI
1st July 2025
37AQI
37AQI
2nd July 2025
42AQI
42AQI
3rd July 2025
45AQI
45AQI
4th July 2025
41AQI
41AQI
5th July 2025
48AQI
48AQI
6th July 2025
65AQI
65AQI
7th July 2025
72AQI
72AQI
8th July 2025
72AQI
72AQI
9th July 2025
71AQI
71AQI
10th July 2025
58AQI
58AQI
11th July 2025
50AQI
50AQI
12th July 2025
51AQI
51AQI
13th July 2025
49AQI
49AQI
14th July 2025
43AQI
43AQI
15th July 2025
43AQI
43AQI
16th July 2025
40AQI
40AQI
17th July 2025
41AQI
41AQI
18th July 2025
38AQI
38AQI
19th July 2025
35AQI
35AQI
20th July 2025
33AQI
33AQI
21st July 2025
34AQI
34AQI
22nd July 2025
33AQI
33AQI
23rd July 2025
35AQI
35AQI
24th July 2025
33AQI
33AQI
25th July 2025
32AQI
32AQI
26th July 2025
31AQI
31AQI
27th July 2025
29AQI
29AQI
28th July 2025
31AQI
31AQI
29th July 2025
28AQI
28AQI
30th July 2025
29AQI
29AQI
31st July 2025
30AQI
30AQI
1st August 2025
33AQI
33AQI
2nd August 2025
40AQI
40AQI
3rd August 2025
42AQI
42AQI
4th August 2025
59AQI
59AQI
5th August 2025
48AQI
48AQI
6th August 2025
49AQI
49AQI
7th August 2025
46AQI
46AQI
8th August 2025
44AQI
44AQI
9th August 2025
43AQI
43AQI
10th August 2025
39AQI
39AQI
11th August 2025
38AQI
38AQI
12th August 2025
35AQI
35AQI
13th August 2025
31AQI
31AQI
14th August 2025
32AQI
32AQI
15th August 2025
32AQI
32AQI
16th August 2025
34AQI
34AQI
17th August 2025
37AQI
37AQI
18th August 2025
41AQI
41AQI
19th August 2025
43AQI
43AQI
20th August 2025
46AQI
46AQI
21st August 2025
49AQI
49AQI
22nd August 2025
48AQI
48AQI
23rd August 2025
47AQI
47AQI
24th August 2025
53AQI
53AQI
25th August 2025
52AQI
52AQI
26th August 2025
52AQI
52AQI
27th August 2025
47AQI
47AQI
28th August 2025
43AQI
43AQI
29th August 2025
49AQI
49AQI
30th August 2025
51AQI
51AQI
31st August 2025
49AQI
49AQI
1st September 2025
41AQI
41AQI
2nd September 2025
35AQI
35AQI
3rd September 2025
35AQI
35AQI
4th September 2025
30AQI
30AQI
5th September 2025
30AQI
30AQI
6th September 2025
28AQI
28AQI
7th September 2025
28AQI
28AQI
8th September 2025
35AQI
35AQI
9th September 2025
40AQI
40AQI
10th September 2025
34AQI
34AQI
11th September 2025
30AQI
30AQI
12th September 2025
29AQI
29AQI
13th September 2025
27AQI
27AQI
14th September 2025
31AQI
31AQI
15th September 2025
35AQI
35AQI
16th September 2025
30AQI
30AQI
17th September 2025
47AQI
47AQI
18th September 2025
43AQI
43AQI
19th September 2025
32AQI
32AQI
20th September 2025
31AQI
31AQI
21st September 2025
29AQI
29AQI
22nd September 2025
27AQI
27AQI
23rd September 2025
25AQI
25AQI
24th September 2025
25AQI
25AQI
25th September 2025
29AQI
29AQI
26th September 2025
44AQI
44AQI
27th September 2025
35AQI
35AQI
28th September 2025
32AQI
32AQI
29th September 2025
28AQI
28AQI
30th September 2025
25AQI
25AQI
1st October 2025
35AQI
35AQI
2nd October 2025
47AQI
47AQI
3rd October 2025
51AQI
51AQI
4th October 2025
61AQI
61AQI
5th October 2025
57AQI
57AQI
6th October 2025
52AQI
52AQI
7th October 2025
52AQI
52AQI
8th October 2025
57AQI
57AQI
9th October 2025
58AQI
58AQI
10th October 2025
56AQI
56AQI
11th October 2025
51AQI
51AQI
12th October 2025
49AQI
49AQI
13th October 2025
58AQI
58AQI
14th October 2025
55AQI
55AQI
15th October 2025
48AQI
48AQI
16th October 2025
58AQI
58AQI
17th October 2025
53AQI
53AQI
18th October 2025
57AQI
57AQI
19th October 2025
51AQI
51AQI
20th October 2025
51AQI
51AQI
21st October 2025
37AQI
37AQI
22nd October 2025
34AQI
34AQI
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
37AQI
35AQI
40AQI
38AQI
33AQI
35AQI
43AQI
44AQI
32AQI
51AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202538AQI
29
2
27
1
25
6
28
2
30
1
29
1
25
6
26
5
30
6
16
255
40
Highest AQI recorded in
October51AQI
Lowest AQI recorded in
September32AQI
202438AQI
26
5
26
3
25
6
24
6
26
5
28
2
14
17
31
28
2
30
1
28
2
31
317
49
Highest AQI recorded in
July53AQI
Lowest AQI recorded in
August29AQI
202339AQI
23
8
22
6
26
5
22
8
27
4
20
10
27
4
31
29
1
29
2
22
7
22
9
300
64
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
August26AQI
202239AQI
26
4
19
2
25
6
23
7
26
5
23
7
21
3
1
26
2
27
4
21
9
25
6
263
55
Highest AQI recorded in
March43AQI
Lowest AQI recorded in
August21AQI
202137AQI
21
9
1
21
7
26
5
27
3
25
6
27
3
30
1
28
3
30
30
1
25
5
19
12
309
55
1
Highest AQI recorded in
January45AQI
Lowest AQI recorded in
August29AQI
202034AQI
10
3
19
2
17
1
24
6
31
23
8
19
30
1
22
8
22
9
217
38
Highest AQI recorded in
November42AQI
Lowest AQI recorded in
September25AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
39AQILeast Polluted Year Recorded
2020(Avg.)
34AQIHanazakicho's annual 2025 AQI (38) shows an average percentage change of 3.2% (worsened AQI) compared to previous years: 2020 (34), 2021 (37), 2022 (39), 2023 (39), 2024 (38).
