Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Hasuda, Saitama, 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

Hasuda, Saitama, Japan

2022
2023
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
22nd Oct 2022
74AQI
Lowest AQI recorded on
6th Oct 2022
21AQI

Same Day Analysis (3rd October):
On this day, AQI across the 4 years varied significantly: 2026 ranks 4th highest AQI at 23 of Good air quality, showing improvement over 2025, 2023 and 2022 on the same day.

Day & Night AQI Trend: 2nd Oct - 3rd Oct 2026

Hasuda, Saitama, Japan

AQI
Day
Night
.

5 AM2nd Oct 2026

5 PM

4 AM3rd Oct 2026

Day time
Avg. Highest Time
5AM2nd Oct

27AQI

Avg. Lowest Time
7AM2nd Oct

21AQI

Night time
Avg. Highest Time
8PM2nd Oct

25AQI

Avg. Lowest Time
4AM3rd Oct

21AQI

In the last 24 hours,

Hasuda's AQI reached its highest point of 27 at 5 AM during the Day, while the lowest point, 21, was recorded at 4 AM during the Night between 2nd Oct and 3rd Oct 2026.

Day & Night AQI Trend : Sep - Oct 2026

Hasuda, Saitama, Japan

SepOct
04th - 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 - 01st01st - 02nd02nd - 03rd03rd
Day
Night
4th Sep 2026255 AMAQI
4th Sep 2026216 AMAQI
4th Sep 2026257 AMAQI
4th Sep 2026278 AMAQI
4th Sep 2026219 AMAQI
4th Sep 20262710 AMAQI
4th Sep 20262511 AMAQI
4th Sep 20262512 PMAQI
4th Sep 2026231 PMAQI
4th Sep 2026272 PMAQI
4th Sep 2026273 PMAQI
4th Sep 2026254 PMAQI
4th Sep 2026235 PMAQI
4th Sep 2026256 PMAQI
4th Sep 2026257 PMAQI
4th Sep 2026218 PMAQI
4th Sep 2026219 PMAQI
4th Sep 20262310 PMAQI
4th Sep 20262311 PMAQI
5th Sep 20262312 AMAQI
5th Sep 2026251 AMAQI
5th Sep 2026272 AMAQI
5th Sep 2026233 AMAQI
5th Sep 2026234 AMAQI

25°C22/28°C

5th Sep 2026255 AMAQI
5th Sep 2026256 AMAQI
5th Sep 2026217 AMAQI
5th Sep 2026218 AMAQI
5th Sep 2026259 AMAQI
5th Sep 20262110 AMAQI
5th Sep 20262111 AMAQI
5th Sep 20262512 PMAQI
5th Sep 2026211 PMAQI
5th Sep 2026252 PMAQI
5th Sep 2026213 PMAQI
5th Sep 2026254 PMAQI
5th Sep 2026255 PMAQI
5th Sep 2026256 PMAQI
5th Sep 2026257 PMAQI
5th Sep 2026258 PMAQI
5th Sep 2026259 PMAQI
5th Sep 20263810 PMAQI
5th Sep 20263811 PMAQI
6th Sep 20262512 AMAQI
6th Sep 2026251 AMAQI
6th Sep 2026252 AMAQI
6th Sep 2026253 AMAQI
6th Sep 2026234 AMAQI

23°C21/26°C

6th Sep 2026235 AMAQI
6th Sep 2026256 AMAQI
6th Sep 2026217 AMAQI
6th Sep 2026238 AMAQI
6th Sep 2026239 AMAQI
6th Sep 20262310 AMAQI
6th Sep 20262511 AMAQI
6th Sep 20262112 PMAQI
6th Sep 2026251 PMAQI
6th Sep 2026232 PMAQI
6th Sep 2026213 PMAQI
6th Sep 2026214 PMAQI
6th Sep 2026255 PMAQI
6th Sep 2026236 PMAQI
6th Sep 2026257 PMAQI
6th Sep 2026238 PMAQI
6th Sep 2026239 PMAQI
6th Sep 20262510 PMAQI
6th Sep 20262311 PMAQI
7th Sep 20262312 AMAQI
7th Sep 2026251 AMAQI
7th Sep 2026212 AMAQI
7th Sep 2026213 AMAQI
7th Sep 202684 AMAQI

23°C21/25°C

7th Sep 2026105 AMAQI
7th Sep 2026126 AMAQI
7th Sep 2026127 AMAQI
7th Sep 2026128 AMAQI
7th Sep 2026129 AMAQI
7th Sep 20261210 AMAQI
7th Sep 20261211 AMAQI
7th Sep 20261212 PMAQI
7th Sep 2026121 PMAQI
7th Sep 2026142 PMAQI
7th Sep 2026213 PMAQI
7th Sep 2026234 PMAQI
7th Sep 2026215 PMAQI
7th Sep 2026236 PMAQI
7th Sep 2026257 PMAQI
7th Sep 202688 PMAQI
7th Sep 2026219 PMAQI
7th Sep 2026810 PMAQI
7th Sep 20262111 PMAQI
8th Sep 20262112 AMAQI
8th Sep 202681 AMAQI
8th Sep 202682 AMAQI
8th Sep 2026253 AMAQI
8th Sep 2026214 AMAQI

22°C21/24°C

8th Sep 2026255 AMAQI
8th Sep 2026256 AMAQI
8th Sep 2026257 AMAQI
8th Sep 2026258 AMAQI
8th Sep 2026239 AMAQI
8th Sep 20262110 AMAQI
8th Sep 20262111 AMAQI
8th Sep 20262312 PMAQI
8th Sep 2026251 PMAQI
8th Sep 2026232 PMAQI
8th Sep 2026253 PMAQI
8th Sep 2026234 PMAQI
8th Sep 2026235 PMAQI
8th Sep 2026276 PMAQI
8th Sep 2026297 PMAQI
8th Sep 2026258 PMAQI
8th Sep 2026259 PMAQI
8th Sep 20262510 PMAQI
8th Sep 20262911 PMAQI
9th Sep 20262912 AMAQI
9th Sep 2026341 AMAQI
9th Sep 2026342 AMAQI
9th Sep 2026293 AMAQI
9th Sep 2026254 AMAQI

25°C23/28°C

9th Sep 2026255 AMAQI
9th Sep 2026256 AMAQI
9th Sep 2026257 AMAQI
9th Sep 2026258 AMAQI
9th Sep 2026259 AMAQI
9th Sep 20262310 AMAQI
9th Sep 20262311 AMAQI
9th Sep 20262512 PMAQI
9th Sep 2026251 PMAQI
9th Sep 2026252 PMAQI
9th Sep 2026253 PMAQI
9th Sep 2026234 PMAQI
9th Sep 2026235 PMAQI
9th Sep 2026256 PMAQI
9th Sep 2026257 PMAQI
9th Sep 2026278 PMAQI
9th Sep 2026279 PMAQI
9th Sep 20262510 PMAQI
9th Sep 20262711 PMAQI
10th Sep 20262512 AMAQI
10th Sep 2026251 AMAQI
10th Sep 2026272 AMAQI
10th Sep 2026253 AMAQI
10th Sep 2026234 AMAQI

26°C21/33°C

10th Sep 2026235 AMAQI
10th Sep 2026256 AMAQI
10th Sep 2026257 AMAQI
10th Sep 2026258 AMAQI
10th Sep 2026259 AMAQI
10th Sep 20262510 AMAQI
10th Sep 20262511 AMAQI
10th Sep 20262512 PMAQI
10th Sep 2026251 PMAQI
10th Sep 2026232 PMAQI
10th Sep 2026233 PMAQI
10th Sep 2026234 PMAQI
10th Sep 2026235 PMAQI
10th Sep 2026236 PMAQI
10th Sep 2026237 PMAQI
10th Sep 2026258 PMAQI
10th Sep 2026549 PMAQI
10th Sep 20262310 PMAQI
10th Sep 20262511 PMAQI
11th Sep 20262512 AMAQI
11th Sep 2026231 AMAQI
11th Sep 2026212 AMAQI
11th Sep 2026213 AMAQI
11th Sep 2026214 AMAQI

21°C19/21°C

11th Sep 2026215 AMAQI
11th Sep 2026216 AMAQI
11th Sep 2026217 AMAQI
11th Sep 2026218 AMAQI
11th Sep 2026219 AMAQI
11th Sep 20262310 AMAQI
11th Sep 20262311 AMAQI
11th Sep 20262512 PMAQI
11th Sep 2026231 PMAQI
11th Sep 2026252 PMAQI
11th Sep 2026233 PMAQI
11th Sep 2026234 PMAQI
11th Sep 2026255 PMAQI
11th Sep 2026276 PMAQI
11th Sep 2026237 PMAQI
11th Sep 2026238 PMAQI
11th Sep 2026239 PMAQI
11th Sep 20262110 PMAQI
11th Sep 20262111 PMAQI
12th Sep 20262112 AMAQI
12th Sep 2026231 AMAQI
12th Sep 2026252 AMAQI
12th Sep 2026253 AMAQI
12th Sep 2026254 AMAQI

20°C19/21°C

12th Sep 2026255 AMAQI
12th Sep 2026256 AMAQI
12th Sep 2026257 AMAQI
12th Sep 2026258 AMAQI
12th Sep 2026239 AMAQI
12th Sep 20262110 AMAQI
12th Sep 20262311 AMAQI
12th Sep 20262512 PMAQI
12th Sep 2026251 PMAQI
12th Sep 2026232 PMAQI
12th Sep 2026253 PMAQI
12th Sep 2026234 PMAQI
12th Sep 2026215 PMAQI
12th Sep 2026216 PMAQI
12th Sep 2026237 PMAQI
12th Sep 2026258 PMAQI
12th Sep 2026259 PMAQI
12th Sep 20262910 PMAQI
12th Sep 20262711 PMAQI
13th Sep 20264012 AMAQI
13th Sep 2026291 AMAQI
13th Sep 2026252 AMAQI
13th Sep 2026253 AMAQI
13th Sep 2026274 AMAQI

23°C20/26°C

13th Sep 2026216 AMAQI
13th Sep 2026217 AMAQI
13th Sep 2026218 AMAQI
13th Sep 2026219 AMAQI
13th Sep 20262110 AMAQI
13th Sep 20262111 AMAQI
13th Sep 20262112 PMAQI
13th Sep 2026211 PMAQI
13th Sep 2026232 PMAQI
13th Sep 2026213 PMAQI
13th Sep 2026214 PMAQI
13th Sep 2026215 PMAQI
13th Sep 2026216 PMAQI
13th Sep 2026217 PMAQI
13th Sep 2026238 PMAQI
13th Sep 2026389 PMAQI
13th Sep 20265210 PMAQI
13th Sep 20265411 PMAQI
14th Sep 20263812 AMAQI
14th Sep 2026331 AMAQI
14th Sep 2026312 AMAQI
14th Sep 2026293 AMAQI
14th Sep 2026274 AMAQI

25°C22/28°C

14th Sep 2026255 AMAQI
14th Sep 2026256 AMAQI
14th Sep 2026237 AMAQI
14th Sep 2026258 AMAQI
14th Sep 2026259 AMAQI
14th Sep 20262110 AMAQI
14th Sep 20262111 AMAQI
14th Sep 20262112 PMAQI
14th Sep 2026211 PMAQI
14th Sep 2026232 PMAQI
14th Sep 2026253 PMAQI
14th Sep 2026214 PMAQI
14th Sep 2026235 PMAQI
14th Sep 2026296 PMAQI
14th Sep 2026217 PMAQI
14th Sep 2026258 PMAQI
14th Sep 2026219 PMAQI
14th Sep 20262510 PMAQI
14th Sep 20262511 PMAQI
15th Sep 20262512 AMAQI
15th Sep 2026251 AMAQI
15th Sep 2026292 AMAQI
15th Sep 2026253 AMAQI
15th Sep 2026214 AMAQI

28°C23/34°C

15th Sep 2026235 AMAQI
15th Sep 2026256 AMAQI
15th Sep 2026217 AMAQI
15th Sep 2026218 AMAQI
15th Sep 2026259 AMAQI
15th Sep 20262510 AMAQI
15th Sep 20262511 AMAQI
15th Sep 20262312 PMAQI
15th Sep 2026251 PMAQI
15th Sep 2026272 PMAQI
15th Sep 2026233 PMAQI
15th Sep 2026234 PMAQI
15th Sep 2026235 PMAQI
15th Sep 2026236 PMAQI
15th Sep 2026237 PMAQI
15th Sep 2026218 PMAQI
15th Sep 2026239 PMAQI
15th Sep 20262310 PMAQI
15th Sep 20262511 PMAQI
16th Sep 20262112 AMAQI
16th Sep 2026211 AMAQI
16th Sep 2026212 AMAQI
16th Sep 2026213 AMAQI
16th Sep 2026214 AMAQI

24°C22/26°C

16th Sep 2026215 AMAQI
16th Sep 2026216 AMAQI
16th Sep 2026217 AMAQI
16th Sep 2026238 AMAQI
16th Sep 2026219 AMAQI
16th Sep 20261910 AMAQI
16th Sep 20261911 AMAQI
16th Sep 20261712 PMAQI
16th Sep 2026171 PMAQI
16th Sep 2026172 PMAQI
16th Sep 2026173 PMAQI
16th Sep 2026144 PMAQI
16th Sep 2026145 PMAQI
16th Sep 2026216 PMAQI
16th Sep 2026217 PMAQI
16th Sep 2026218 PMAQI
16th Sep 2026179 PMAQI
16th Sep 20261710 PMAQI
16th Sep 20261411 PMAQI
17th Sep 20262512 AMAQI
17th Sep 2026211 AMAQI
17th Sep 2026162 AMAQI
17th Sep 2026163 AMAQI
17th Sep 2026124 AMAQI

21°C20/22°C

17th Sep 2026125 AMAQI
17th Sep 2026106 AMAQI
17th Sep 2026107 AMAQI
17th Sep 202688 AMAQI
17th Sep 2026259 AMAQI
17th Sep 20262110 AMAQI
17th Sep 20262511 AMAQI
17th Sep 20262112 PMAQI
17th Sep 2026231 PMAQI
17th Sep 2026252 PMAQI
17th Sep 2026213 PMAQI
17th Sep 2026254 PMAQI
17th Sep 2026255 PMAQI
17th Sep 2026326 PMAQI
17th Sep 2026347 PMAQI
17th Sep 2026258 PMAQI
17th Sep 2026259 PMAQI
17th Sep 20262710 PMAQI
17th Sep 20262111 PMAQI
18th Sep 20262112 AMAQI
18th Sep 2026211 AMAQI
18th Sep 2026212 AMAQI
18th Sep 2026233 AMAQI
18th Sep 2026214 AMAQI

21°C20/24°C

18th Sep 2026235 AMAQI
18th Sep 2026236 AMAQI
18th Sep 2026217 AMAQI
18th Sep 2026218 AMAQI
18th Sep 2026239 AMAQI
18th Sep 20262110 AMAQI
18th Sep 20262111 AMAQI
18th Sep 20262112 PMAQI
18th Sep 2026211 PMAQI
18th Sep 2026212 PMAQI
18th Sep 2026213 PMAQI
18th Sep 2026214 PMAQI
18th Sep 2026345 PMAQI
18th Sep 2026466 PMAQI
18th Sep 2026507 PMAQI
18th Sep 2026258 PMAQI
18th Sep 2026239 PMAQI
18th Sep 20262110 PMAQI
18th Sep 20262111 PMAQI
19th Sep 20262512 AMAQI
19th Sep 2026231 AMAQI
19th Sep 2026212 AMAQI
19th Sep 2026253 AMAQI
19th Sep 2026214 AMAQI

22°C19/25°C

19th Sep 2026105 AMAQI
19th Sep 2026216 AMAQI
19th Sep 2026237 AMAQI
19th Sep 2026218 AMAQI
19th Sep 2026239 AMAQI
19th Sep 20262310 AMAQI
19th Sep 20262311 AMAQI
19th Sep 20262312 PMAQI
19th Sep 2026211 PMAQI
19th Sep 2026252 PMAQI
19th Sep 2026213 PMAQI
19th Sep 2026254 PMAQI
19th Sep 2026255 PMAQI
19th Sep 2026216 PMAQI
19th Sep 2026237 PMAQI
19th Sep 2026238 PMAQI
19th Sep 2026259 PMAQI
19th Sep 20262510 PMAQI
19th Sep 20262311 PMAQI
20th Sep 20262512 AMAQI
20th Sep 2026501 AMAQI
20th Sep 2026402 AMAQI
20th Sep 2026383 AMAQI
20th Sep 2026214 AMAQI

24°C21/27°C

20th Sep 2026215 AMAQI
20th Sep 2026216 AMAQI
20th Sep 2026217 AMAQI
20th Sep 2026258 AMAQI
20th Sep 2026259 AMAQI
20th Sep 20262510 AMAQI
20th Sep 20262111 AMAQI
20th Sep 20262312 PMAQI
20th Sep 2026251 PMAQI
20th Sep 2026232 PMAQI
20th Sep 2026233 PMAQI
20th Sep 2026234 PMAQI
20th Sep 2026215 PMAQI
20th Sep 2026236 PMAQI
20th Sep 2026217 PMAQI
20th Sep 2026218 PMAQI
20th Sep 2026219 PMAQI
20th Sep 20261610 PMAQI
20th Sep 20261411 PMAQI
21st Sep 20261212 AMAQI
21st Sep 2026121 AMAQI
21st Sep 2026122 AMAQI
21st Sep 2026163 AMAQI
21st Sep 202684 AMAQI

22°C21/24°C

21st Sep 202685 AMAQI
21st Sep 202686 AMAQI
21st Sep 202687 AMAQI
21st Sep 202688 AMAQI
21st Sep 202689 AMAQI
21st Sep 2026810 AMAQI
21st Sep 2026811 AMAQI
21st Sep 2026812 PMAQI
21st Sep 202681 PMAQI
21st Sep 202682 PMAQI
21st Sep 202683 PMAQI
21st Sep 202684 PMAQI
21st Sep 202685 PMAQI
21st Sep 202686 PMAQI
21st Sep 202687 PMAQI
21st Sep 202688 PMAQI
21st Sep 202689 PMAQI
21st Sep 2026810 PMAQI
21st Sep 2026811 PMAQI
22nd Sep 2026812 AMAQI
22nd Sep 202681 AMAQI
22nd Sep 2026332 AMAQI
22nd Sep 2026563 AMAQI
22nd Sep 2026464 AMAQI

22°C21/25°C

22nd Sep 2026505 AMAQI
22nd Sep 202686 AMAQI
22nd Sep 2026177 AMAQI
22nd Sep 202688 AMAQI
22nd Sep 202689 AMAQI
22nd Sep 2026810 AMAQI
22nd Sep 20261711 AMAQI
22nd Sep 20261912 PMAQI
22nd Sep 2026231 PMAQI
22nd Sep 2026232 PMAQI
22nd Sep 2026253 PMAQI
22nd Sep 2026254 PMAQI
22nd Sep 2026255 PMAQI
22nd Sep 2026276 PMAQI
22nd Sep 2026237 PMAQI
22nd Sep 2026258 PMAQI
22nd Sep 2026259 PMAQI
22nd Sep 20262510 PMAQI
22nd Sep 20262511 PMAQI
23rd Sep 20262312 AMAQI
23rd Sep 2026251 AMAQI
23rd Sep 2026252 AMAQI
23rd Sep 2026233 AMAQI
23rd Sep 2026214 AMAQI

27°C25/29°C

23rd Sep 2026215 AMAQI
23rd Sep 2026236 AMAQI
23rd Sep 2026217 AMAQI
23rd Sep 2026258 AMAQI
23rd Sep 2026279 AMAQI
23rd Sep 20263410 AMAQI
23rd Sep 20263311 AMAQI
23rd Sep 20262712 PMAQI
23rd Sep 2026291 PMAQI
23rd Sep 2026292 PMAQI
23rd Sep 2026293 PMAQI
23rd Sep 2026294 PMAQI
23rd Sep 2026275 PMAQI
23rd Sep 2026296 PMAQI
23rd Sep 2026277 PMAQI
23rd Sep 2026278 PMAQI
23rd Sep 2026299 PMAQI
23rd Sep 20262910 PMAQI
23rd Sep 20262711 PMAQI
24th Sep 20262712 AMAQI
24th Sep 2026291 AMAQI
24th Sep 2026292 AMAQI
24th Sep 2026293 AMAQI
24th Sep 2026254 AMAQI

22°C20/24°C

24th Sep 2026275 AMAQI
24th Sep 2026276 AMAQI
24th Sep 2026257 AMAQI
24th Sep 2026258 AMAQI
24th Sep 2026239 AMAQI
24th Sep 20262110 AMAQI
24th Sep 20262111 AMAQI
24th Sep 20262112 PMAQI
24th Sep 2026231 PMAQI
24th Sep 2026252 PMAQI
24th Sep 2026233 PMAQI
24th Sep 2026254 PMAQI
24th Sep 2026255 PMAQI
24th Sep 2026236 PMAQI
24th Sep 2026217 PMAQI
24th Sep 2026218 PMAQI
24th Sep 2026219 PMAQI
24th Sep 20262110 PMAQI
24th Sep 20262111 PMAQI
25th Sep 20262512 AMAQI
25th Sep 2026271 AMAQI
25th Sep 2026292 AMAQI
25th Sep 2026313 AMAQI
25th Sep 2026294 AMAQI

25°C20/30°C

25th Sep 2026315 AMAQI
25th Sep 2026316 AMAQI
25th Sep 2026297 AMAQI
25th Sep 2026368 AMAQI
25th Sep 2026319 AMAQI
25th Sep 20263110 AMAQI
25th Sep 20262911 AMAQI
25th Sep 20262912 PMAQI
25th Sep 2026311 PMAQI
25th Sep 2026342 PMAQI
25th Sep 2026333 PMAQI
25th Sep 2026384 PMAQI
25th Sep 2026365 PMAQI
25th Sep 2026336 PMAQI
25th Sep 2026387 PMAQI
25th Sep 2026338 PMAQI
25th Sep 2026369 PMAQI
25th Sep 20263110 PMAQI
25th Sep 20262911 PMAQI
26th Sep 20262912 AMAQI
26th Sep 2026271 AMAQI
26th Sep 2026272 AMAQI
26th Sep 2026273 AMAQI
26th Sep 2026274 AMAQI

24°C22/27°C

26th Sep 2026275 AMAQI
26th Sep 2026256 AMAQI
26th Sep 2026257 AMAQI
26th Sep 2026218 AMAQI
26th Sep 2026219 AMAQI
26th Sep 20262110 AMAQI
26th Sep 20262111 AMAQI
26th Sep 20262512 PMAQI
26th Sep 2026251 PMAQI
26th Sep 2026272 PMAQI
26th Sep 2026253 PMAQI
26th Sep 2026254 PMAQI
26th Sep 2026235 PMAQI
26th Sep 2026236 PMAQI
26th Sep 2026237 PMAQI
26th Sep 2026238 PMAQI
26th Sep 2026219 PMAQI
26th Sep 20262110 PMAQI
26th Sep 20262111 PMAQI
27th Sep 20262112 AMAQI
27th Sep 2026211 AMAQI
27th Sep 2026232 AMAQI
27th Sep 2026213 AMAQI
27th Sep 2026214 AMAQI

19°C17/22°C

27th Sep 2026255 AMAQI
27th Sep 2026216 AMAQI
27th Sep 2026217 AMAQI
27th Sep 2026218 AMAQI
27th Sep 2026219 AMAQI
27th Sep 20262110 AMAQI
27th Sep 20262111 AMAQI
27th Sep 20262512 PMAQI
27th Sep 2026251 PMAQI
27th Sep 2026272 PMAQI
27th Sep 2026253 PMAQI
27th Sep 2026254 PMAQI
27th Sep 2026215 PMAQI
27th Sep 2026256 PMAQI
27th Sep 2026237 PMAQI
27th Sep 2026218 PMAQI
27th Sep 2026219 PMAQI
27th Sep 20262110 PMAQI
27th Sep 20262111 PMAQI
28th Sep 20262312 AMAQI
28th Sep 2026251 AMAQI
28th Sep 2026252 AMAQI
28th Sep 2026233 AMAQI
28th Sep 2026234 AMAQI

21°C18/24°C

28th Sep 2026215 AMAQI
28th Sep 2026236 AMAQI
28th Sep 2026237 AMAQI
28th Sep 2026258 AMAQI
28th Sep 2026259 AMAQI
28th Sep 20262510 AMAQI
28th Sep 20262511 AMAQI
28th Sep 20262912 PMAQI
28th Sep 2026271 PMAQI
28th Sep 2026252 PMAQI
28th Sep 2026253 PMAQI
28th Sep 2026254 PMAQI
28th Sep 2026255 PMAQI
28th Sep 2026256 PMAQI
28th Sep 2026297 PMAQI
28th Sep 2026278 PMAQI
28th Sep 2026299 PMAQI
28th Sep 20262710 PMAQI
28th Sep 20262911 PMAQI
29th Sep 20263112 AMAQI
29th Sep 2026311 AMAQI
29th Sep 2026332 AMAQI
29th Sep 2026333 AMAQI
29th Sep 2026314 AMAQI

22°C21/24°C

29th Sep 2026295 AMAQI
29th Sep 2026316 AMAQI
29th Sep 2026257 AMAQI
29th Sep 2026278 AMAQI
29th Sep 2026279 AMAQI
29th Sep 20262510 AMAQI
29th Sep 20262311 AMAQI
29th Sep 20262312 PMAQI
29th Sep 2026231 PMAQI
29th Sep 2026212 PMAQI
29th Sep 2026213 PMAQI
29th Sep 2026214 PMAQI
29th Sep 2026215 PMAQI
29th Sep 2026216 PMAQI
29th Sep 2026217 PMAQI
29th Sep 2026218 PMAQI
29th Sep 2026219 PMAQI
29th Sep 20262510 PMAQI
29th Sep 20262511 PMAQI
30th Sep 20262112 AMAQI
30th Sep 2026211 AMAQI
30th Sep 2026232 AMAQI
30th Sep 2026233 AMAQI
30th Sep 2026214 AMAQI

19°C18/22°C

30th Sep 2026215 AMAQI
30th Sep 2026236 AMAQI
30th Sep 2026217 AMAQI
30th Sep 2026258 AMAQI
30th Sep 2026219 AMAQI
30th Sep 20262510 AMAQI
30th Sep 20262511 AMAQI
30th Sep 20262712 PMAQI
30th Sep 2026251 PMAQI
30th Sep 2026252 PMAQI
30th Sep 2026233 PMAQI
30th Sep 2026214 PMAQI
30th Sep 2026215 PMAQI
30th Sep 2026216 PMAQI
30th Sep 2026217 PMAQI
30th Sep 2026218 PMAQI
30th Sep 2026219 PMAQI
30th Sep 20262110 PMAQI
30th Sep 20262111 PMAQI
1st Oct 20262112 AMAQI
1st Oct 2026211 AMAQI
1st Oct 2026212 AMAQI
1st Oct 2026253 AMAQI
1st Oct 2026234 AMAQI

19°C18/20°C

1st Oct 2026235 AMAQI
1st Oct 2026236 AMAQI
1st Oct 2026237 AMAQI
1st Oct 2026238 AMAQI
1st Oct 2026239 AMAQI
1st Oct 20262510 AMAQI
1st Oct 20262511 AMAQI
1st Oct 20262112 PMAQI
1st Oct 2026231 PMAQI
1st Oct 2026212 PMAQI
1st Oct 2026213 PMAQI
1st Oct 2026214 PMAQI
1st Oct 2026235 PMAQI
1st Oct 2026236 PMAQI
1st Oct 2026217 PMAQI
1st Oct 2026218 PMAQI
1st Oct 2026219 PMAQI
1st Oct 20262310 PMAQI
1st Oct 20262511 PMAQI
2nd Oct 20262512 AMAQI
2nd Oct 2026231 AMAQI
2nd Oct 2026212 AMAQI
2nd Oct 2026273 AMAQI
2nd Oct 2026254 AMAQI

24°C19/29°C

2nd Oct 2026275 AMAQI
2nd Oct 2026236 AMAQI
2nd Oct 2026217 AMAQI
2nd Oct 2026238 AMAQI
2nd Oct 2026279 AMAQI
2nd Oct 20262510 AMAQI
2nd Oct 20262511 AMAQI
2nd Oct 20262312 PMAQI
2nd Oct 2026251 PMAQI
2nd Oct 2026252 PMAQI
2nd Oct 2026273 PMAQI
2nd Oct 2026234 PMAQI
2nd Oct 2026235 PMAQI
2nd Oct 2026216 PMAQI
2nd Oct 2026237 PMAQI
2nd Oct 2026258 PMAQI
2nd Oct 2026259 PMAQI
2nd Oct 20262510 PMAQI
2nd Oct 20262311 PMAQI
3rd Oct 20262512 AMAQI
3rd Oct 2026251 AMAQI
3rd Oct 2026232 AMAQI
3rd Oct 2026233 AMAQI
3rd Oct 2026214 AMAQI

19°C18/24°C

3rd Oct 2026235 AMAQI
5 AM
3rd Oct 2026216 AMAQI
3rd Oct 2026217 AMAQI
3rd Oct 2026218 AMAQI
3rd Oct 2026239 AMAQI
3rd Oct 20262310 AMAQI
3rd Oct 20262311 AMAQI
11 AM
3rd Oct 20262512 PMAQI
3rd Oct 2026251 PMAQI
3rd Oct 2026232 PMAQI
3rd Oct 2026233 PMAQI
3rd Oct 2026234 PMAQI
3rd Oct 2026255 PMAQI
5 PM
3rd Oct 2026236 PMAQI
3rd Oct 2026217 PMAQI
3rd Oct 2026258 PMAQI
3rd Oct 2026239 PMAQI
3rd Oct 20262510 PMAQI
3rd Oct 20262711 PMAQI
11 PM
4 AM

20°C18/24°C

Day time
Avg. Highest Time
2 PM

24AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
7 AM

21AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 PM to 2 PM (Avg. 24), while the lowest AQI was between 7 AM to 7 AM (Avg. 21).
Night time
Avg. Highest Time
3 AM

26AQI

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

23AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 3 AM (Avg. 26), while the lowest AQI was between 4 AM to 4 AM (Avg. 23).

2026 Days Vs Air Quality

Hasuda, Saitama, Japan

2026

89%

247

11%

29

Total number of days with different AQI categories in last 276 days in 2026 (89 days remaining)

Good
247 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 276 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

Hasuda, Saitama, 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
21AQI (US)
2nd January 2026
18AQI (US)
3rd January 2026
22AQI (US)
4th January 2026
25AQI (US)
5th January 2026
44AQI (US)
6th January 2026
29AQI (US)
7th January 2026
35AQI (US)
8th January 2026
39AQI (US)
9th January 2026
18AQI (US)
10th January 2026
37AQI (US)
11th January 2026
30AQI (US)
12th January 2026
17AQI (US)
13th January 2026
36AQI (US)
14th January 2026
15AQI (US)
15th January 2026
30AQI (US)
16th January 2026
53AQI (US)
17th January 2026
44AQI (US)
18th January 2026
26AQI (US)
19th January 2026
48AQI (US)
20th January 2026
48AQI (US)
21st January 2026
13AQI (US)
22nd January 2026
19AQI (US)
23rd January 2026
23AQI (US)
24th January 2026
31AQI (US)
25th January 2026
47AQI (US)
26th January 2026
15AQI (US)
27th January 2026
19AQI (US)
28th January 2026
20AQI (US)
29th January 2026
20AQI (US)
30th January 2026
39AQI (US)
31st January 2026
20AQI (US)
1st February 2026
22AQI (US)
2nd February 2026
25AQI (US)
3rd February 2026
28AQI (US)
4th February 2026
42AQI (US)
5th February 2026
63AQI (US)
6th February 2026
53AQI (US)
7th February 2026
15AQI (US)
8th February 2026
14AQI (US)
9th February 2026
34AQI (US)
10th February 2026
42AQI (US)
11th February 2026
53AQI (US)
12th February 2026
26AQI (US)
13th February 2026
45AQI (US)
14th February 2026
58AQI (US)
15th February 2026
74AQI (US)
16th February 2026
49AQI (US)
17th February 2026
22AQI (US)
18th February 2026
40AQI (US)
19th February 2026
34AQI (US)
20th February 2026
26AQI (US)
21st February 2026
37AQI (US)
22nd February 2026
44AQI (US)
23rd February 2026
43AQI (US)
24th February 2026
45AQI (US)
25th February 2026
37AQI (US)
26th February 2026
12AQI (US)
27th February 2026
31AQI (US)
28th February 2026
40AQI (US)
1st March 2026
37AQI (US)
2nd March 2026
62AQI (US)
3rd March 2026
43AQI (US)
4th March 2026
50AQI (US)
5th March 2026
56AQI (US)
6th March 2026
51AQI (US)
7th March 2026
45AQI (US)
8th March 2026
36AQI (US)
9th March 2026
47AQI (US)
10th March 2026
57AQI (US)
11th March 2026
58AQI (US)
12th March 2026
64AQI (US)
13th March 2026
37AQI (US)
14th March 2026
29AQI (US)
15th March 2026
13AQI (US)
16th March 2026
30AQI (US)
17th March 2026
50AQI (US)
18th March 2026
53AQI (US)
19th March 2026
44AQI (US)
20th March 2026
35AQI (US)
21st March 2026
57AQI (US)
22nd March 2026
54AQI (US)
23rd March 2026
50AQI (US)
24th March 2026
46AQI (US)
25th March 2026
66AQI (US)
26th March 2026
31AQI (US)
27th March 2026
25AQI (US)
28th March 2026
49AQI (US)
29th March 2026
55AQI (US)
30th March 2026
55AQI (US)
31st March 2026
24AQI (US)
1st April 2026
20AQI (US)
2nd April 2026
25AQI (US)
3rd April 2026
47AQI (US)
4th April 2026
47AQI (US)
5th April 2026
38AQI (US)
6th April 2026
25AQI (US)
7th April 2026
41AQI (US)
8th April 2026
26AQI (US)
9th April 2026
32AQI (US)
10th April 2026
48AQI (US)
11th April 2026
39AQI (US)
12th April 2026
31AQI (US)
13th April 2026
35AQI (US)
14th April 2026
40AQI (US)
15th April 2026
39AQI (US)
16th April 2026
34AQI (US)
17th April 2026
36AQI (US)
18th April 2026
32AQI (US)
19th April 2026
33AQI (US)
20th April 2026
34AQI (US)
21st April 2026
41AQI (US)
22nd April 2026
33AQI (US)
23rd April 2026
13AQI (US)
24th April 2026
32AQI (US)
25th April 2026
46AQI (US)
26th April 2026
52AQI (US)
27th April 2026
49AQI (US)
28th April 2026
42AQI (US)
29th April 2026
40AQI (US)
30th April 2026
38AQI (US)
1st May 2026
48AQI (US)
2nd May 2026
50AQI (US)
3rd May 2026
45AQI (US)
4th May 2026
29AQI (US)
5th May 2026
22AQI (US)
6th May 2026
30AQI (US)
7th May 2026
30AQI (US)
8th May 2026
26AQI (US)
9th May 2026
30AQI (US)
10th May 2026
24AQI (US)
11th May 2026
24AQI (US)
12th May 2026
36AQI (US)
13th May 2026
37AQI (US)
14th May 2026
33AQI (US)
15th May 2026
35AQI (US)
16th May 2026
85AQI (US)
17th May 2026
68AQI (US)
18th May 2026
53AQI (US)
19th May 2026
48AQI (US)
20th May 2026
61AQI (US)
21st May 2026
59AQI (US)
22nd May 2026
60AQI (US)
23rd May 2026
54AQI (US)
24th May 2026
58AQI (US)
25th May 2026
48AQI (US)
26th May 2026
40AQI (US)
27th May 2026
25AQI (US)
28th May 2026
26AQI (US)
29th May 2026
25AQI (US)
30th May 2026
28AQI (US)
31st May 2026
32AQI (US)
1st June 2026
29AQI (US)
2nd June 2026
29AQI (US)
3rd June 2026
26AQI (US)
4th June 2026
23AQI (US)
5th June 2026
21AQI (US)
6th June 2026
20AQI (US)
7th June 2026
21AQI (US)
8th June 2026
21AQI (US)
9th June 2026
22AQI (US)
10th June 2026
23AQI (US)
11th June 2026
24AQI (US)
12th June 2026
24AQI (US)
13th June 2026
28AQI (US)
14th June 2026
50AQI (US)
15th June 2026
17AQI (US)
16th June 2026
19AQI (US)
17th June 2026
23AQI (US)
18th June 2026
25AQI (US)
19th June 2026
27AQI (US)
20th June 2026
23AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
19AQI (US)
23rd June 2026
22AQI (US)
24th June 2026
22AQI (US)
25th June 2026
27AQI (US)
26th June 2026
30AQI (US)
27th June 2026
27AQI (US)
28th June 2026
28AQI (US)
29th June 2026
27AQI (US)
30th June 2026
24AQI (US)
1st July 2026
26AQI (US)
2nd July 2026
17AQI (US)
3rd July 2026
16AQI (US)
4th July 2026
41AQI (US)
5th July 2026
25AQI (US)
6th July 2026
32AQI (US)
7th July 2026
26AQI (US)
8th July 2026
25AQI (US)
9th July 2026
23AQI (US)
10th July 2026
26AQI (US)
11th July 2026
27AQI (US)
12th July 2026
28AQI (US)
13th July 2026
30AQI (US)
14th July 2026
29AQI (US)
15th July 2026
29AQI (US)
16th July 2026
42AQI (US)
17th July 2026
44AQI (US)
18th July 2026
27AQI (US)
19th July 2026
20AQI (US)
20th July 2026
30AQI (US)
21st July 2026
43AQI (US)
22nd July 2026
60AQI (US)
23rd July 2026
51AQI (US)
24th July 2026
36AQI (US)
25th July 2026
28AQI (US)
26th July 2026
27AQI (US)
27th July 2026
24AQI (US)
28th July 2026
31AQI (US)
29th July 2026
34AQI (US)
30th July 2026
32AQI (US)
31st July 2026
43AQI (US)
1st August 2026
43AQI (US)
2nd August 2026
41AQI (US)
3rd August 2026
25AQI (US)
4th August 2026
25AQI (US)
5th August 2026
28AQI (US)
6th August 2026
22AQI (US)
7th August 2026
24AQI (US)
8th August 2026
23AQI (US)
9th August 2026
25AQI (US)
10th August 2026
22AQI (US)
11th August 2026
30AQI (US)
12th August 2026
24AQI (US)
13th August 2026
24AQI (US)
14th August 2026
16AQI (US)
15th August 2026
23AQI (US)
16th August 2026
26AQI (US)
17th August 2026
23AQI (US)
18th August 2026
24AQI (US)
19th August 2026
23AQI (US)
20th August 2026
24AQI (US)
21st August 2026
26AQI (US)
22nd August 2026
30AQI (US)
23rd August 2026
36AQI (US)
24th August 2026
35AQI (US)
25th August 2026
40AQI (US)
26th August 2026
37AQI (US)
27th August 2026
25AQI (US)
28th August 2026
28AQI (US)
29th August 2026
44AQI (US)
30th August 2026
38AQI (US)
31st August 2026
33AQI (US)
1st September 2026
28AQI (US)
2nd September 2026
45AQI (US)
3rd September 2026
36AQI (US)
4th September 2026
24AQI (US)
5th September 2026
25AQI (US)
6th September 2026
24AQI (US)
7th September 2026
16AQI (US)
8th September 2026
23AQI (US)
9th September 2026
26AQI (US)
10th September 2026
26AQI (US)
11th September 2026
23AQI (US)
12th September 2026
24AQI (US)
13th September 2026
26AQI (US)
14th September 2026
25AQI (US)
15th September 2026
24AQI (US)
16th September 2026
19AQI (US)
17th September 2026
21AQI (US)
18th September 2026
24AQI (US)
19th September 2026
22AQI (US)
20th September 2026
24AQI (US)
21st September 2026
9AQI (US)
22nd September 2026
23AQI (US)
23rd September 2026
27AQI (US)
24th September 2026
24AQI (US)
25th September 2026
32AQI (US)
26th September 2026
24AQI (US)
27th September 2026
22AQI (US)
28th September 2026
25AQI (US)
29th September 2026
25AQI (US)
30th September 2026
22AQI (US)
1st October 2026
22AQI (US)
2nd October 2026
24AQI (US)
3rd October 2026
23AQI (US)
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

29AQI (US)

38AQI (US)

45AQI (US)

36AQI (US)

41AQI (US)

25AQI (US)

31AQI (US)

29AQI (US)

25AQI (US)

23AQI (US)

No. of days

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

202633AQI (US)

30
1
23
5
19
12
29
1
23
8
30
29
2
31
30
3
247
29

Highest AQI (US) recorded in

March

45AQI (US)

Lowest AQI (US) recorded in

October

23AQI (US)

202543AQI (US)

28
3
27
1
22
9
22
8
29
2
27
3
23
8
22
9
29
1
14
17
16
14
18
13
277
88

Highest AQI (US) recorded in

October

51AQI (US)

Lowest AQI (US) recorded in

September

36AQI (US)

202347AQI (US)

15
15
15
13
13
18
17
13
20
11
18
12
16
15
27
4
27
3
21
10
16
13
16
15
221
142

Highest AQI (US) recorded in

March

53AQI (US)

Lowest AQI (US) recorded in

August

34AQI (US)

202244AQI (US)

25
6
16
5
16
15
15
15
23
8
19
11
14
7
1
25
3
21
10
18
12
26
5
219
97

Highest AQI (US) recorded in

November

50AQI (US)

Lowest AQI (US) recorded in

August

27AQI (US)

202142AQI (US)

20
11
20
8
20
10
1
27
3
22
9
25
5
28
3
26
5
27
3
27
4
19
11
20
11
281
83
1

Highest AQI (US) recorded in

January

46AQI (US)

Lowest AQI (US) recorded in

August

36AQI (US)

202040AQI (US)

7
6
15
6
16
2
27
3
29
2
21
10
18
1
25
6
15
15
19
12
192
63

Highest AQI (US) recorded in

November

51AQI (US)

Lowest AQI (US) recorded in

September

30AQI (US)

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
47AQI (US)
Least Polluted Year Recorded
2026(Avg.)
33AQI (US)

Hasuda's annual 2026 AQI (US) (33) shows an average percentage change of -23.3% (improved AQI (US)) compared to previous years: 2020 (40), 2021 (42), 2022 (44), 2023 (47), 2025 (43).