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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Morohongo, 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

Morohongo, Saitama, Japan

2022
2023
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
4th Oct 2025
68AQI
Lowest AQI recorded on
7th Oct 2022
17AQI

Same Day Analysis (3rd October):
On this day, AQI across the 4 years varied significantly: 2026 ranks 4th highest AQI at 22 of Good air quality, showing improvement over 2025, 2023 and 2022 on the same day.

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

Morohongo, Saitama, Japan

AQI
Day
Night
.

5 AM2nd Oct 2026

5 PM

4 AM3rd Oct 2026

Day time
Avg. Highest Time
6AM2nd Oct

25AQI

Avg. Lowest Time
4PM2nd Oct

21AQI

Night time
Avg. Highest Time
8PM2nd Oct

23AQI

Avg. Lowest Time
3AM3rd Oct

21AQI

In the last 24 hours,

Morohongo's AQI reached its highest point of 25 at 6 AM during the Day, while the lowest point, 21, was recorded at 3 AM during the Night between 2nd Oct and 3rd Oct 2026.

Day & Night AQI Trend : Sep - Oct 2026

Morohongo, 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 2026215 AMAQI
4th Sep 2026216 AMAQI
4th Sep 2026217 AMAQI
4th Sep 2026238 AMAQI
4th Sep 2026219 AMAQI
4th Sep 20262310 AMAQI
4th Sep 20262311 AMAQI
4th Sep 20262312 PMAQI
4th Sep 2026211 PMAQI
4th Sep 2026212 PMAQI
4th Sep 2026213 PMAQI
4th Sep 2026254 PMAQI
4th Sep 2026255 PMAQI
4th Sep 2026256 PMAQI
4th Sep 2026257 PMAQI
4th Sep 2026258 PMAQI
4th Sep 2026259 PMAQI
4th Sep 20262510 PMAQI
4th Sep 20262511 PMAQI
5th Sep 20262112 AMAQI
5th Sep 2026251 AMAQI
5th Sep 2026232 AMAQI
5th Sep 2026253 AMAQI
5th Sep 2026234 AMAQI

22°C20/25°C

5th Sep 2026255 AMAQI
5th Sep 2026236 AMAQI
5th Sep 2026237 AMAQI
5th Sep 2026258 AMAQI
5th Sep 2026219 AMAQI
5th Sep 20262310 AMAQI
5th Sep 20262511 AMAQI
5th Sep 20262512 PMAQI
5th Sep 2026251 PMAQI
5th Sep 2026272 PMAQI
5th Sep 2026213 PMAQI
5th Sep 2026254 PMAQI
5th Sep 2026235 PMAQI
5th Sep 2026256 PMAQI
5th Sep 2026257 PMAQI
5th Sep 2026258 PMAQI
5th Sep 2026239 PMAQI
5th Sep 20262310 PMAQI
5th Sep 20262911 PMAQI
6th Sep 20262512 AMAQI
6th Sep 2026251 AMAQI
6th Sep 2026252 AMAQI
6th Sep 2026253 AMAQI
6th Sep 2026254 AMAQI

20°C19/23°C

6th Sep 2026275 AMAQI
6th Sep 2026216 AMAQI
6th Sep 2026217 AMAQI
6th Sep 2026258 AMAQI
6th Sep 2026239 AMAQI
6th Sep 20262510 AMAQI
6th Sep 20262311 AMAQI
6th Sep 20262312 PMAQI
6th Sep 2026211 PMAQI
6th Sep 2026212 PMAQI
6th Sep 2026193 PMAQI
6th Sep 2026144 PMAQI
6th Sep 2026255 PMAQI
6th Sep 2026216 PMAQI
6th Sep 2026217 PMAQI
6th Sep 2026238 PMAQI
6th Sep 2026259 PMAQI
6th Sep 20262110 PMAQI
6th Sep 20262111 PMAQI
7th Sep 20262512 AMAQI
7th Sep 2026251 AMAQI
7th Sep 2026212 AMAQI
7th Sep 2026123 AMAQI
7th Sep 2026124 AMAQI

20°C19/21°C

7th Sep 2026125 AMAQI
7th Sep 2026126 AMAQI
7th Sep 2026107 AMAQI
7th Sep 2026108 AMAQI
7th Sep 2026109 AMAQI
7th Sep 2026810 AMAQI
7th Sep 2026811 AMAQI
7th Sep 2026812 PMAQI
7th Sep 202681 PMAQI
7th Sep 2026212 PMAQI
7th Sep 2026213 PMAQI
7th Sep 2026104 PMAQI
7th Sep 2026125 PMAQI
7th Sep 2026126 PMAQI
7th Sep 2026107 PMAQI
7th Sep 2026108 PMAQI
7th Sep 2026219 PMAQI
7th Sep 20262110 PMAQI
7th Sep 20262111 PMAQI
8th Sep 20262112 AMAQI
8th Sep 2026251 AMAQI
8th Sep 202682 AMAQI
8th Sep 2026253 AMAQI
8th Sep 2026274 AMAQI

20°C18/22°C

8th Sep 202685 AMAQI
8th Sep 2026256 AMAQI
8th Sep 2026317 AMAQI
8th Sep 2026298 AMAQI
8th Sep 2026259 AMAQI
8th Sep 20262510 AMAQI
8th Sep 20262511 AMAQI
8th Sep 20262312 PMAQI
8th Sep 2026251 PMAQI
8th Sep 2026232 PMAQI
8th Sep 2026253 PMAQI
8th Sep 2026254 PMAQI
8th Sep 2026255 PMAQI
8th Sep 2026256 PMAQI
8th Sep 2026257 PMAQI
8th Sep 2026258 PMAQI
8th Sep 2026219 PMAQI
8th Sep 20262110 PMAQI
8th Sep 20262511 PMAQI
9th Sep 20262512 AMAQI
9th Sep 2026341 AMAQI
9th Sep 2026382 AMAQI
9th Sep 2026303 AMAQI
9th Sep 2026234 AMAQI

22°C21/25°C

9th Sep 2026255 AMAQI
9th Sep 2026256 AMAQI
9th Sep 2026257 AMAQI
9th Sep 2026258 AMAQI
9th Sep 2026259 AMAQI
9th Sep 20262510 AMAQI
9th Sep 20262511 AMAQI
9th Sep 20262512 PMAQI
9th Sep 2026251 PMAQI
9th Sep 2026252 PMAQI
9th Sep 2026233 PMAQI
9th Sep 2026254 PMAQI
9th Sep 2026255 PMAQI
9th Sep 2026236 PMAQI
9th Sep 2026217 PMAQI
9th Sep 2026238 PMAQI
9th Sep 2026239 PMAQI
9th Sep 20262110 PMAQI
9th Sep 20262311 PMAQI
10th Sep 20262312 AMAQI
10th Sep 2026211 AMAQI
10th Sep 2026232 AMAQI
10th Sep 2026163 AMAQI
10th Sep 2026144 AMAQI

23°C19/29°C

10th Sep 2026215 AMAQI
10th Sep 2026236 AMAQI
10th Sep 2026237 AMAQI
10th Sep 2026218 AMAQI
10th Sep 2026169 AMAQI
10th Sep 20262510 AMAQI
10th Sep 20262511 AMAQI
10th Sep 20262712 PMAQI
10th Sep 2026251 PMAQI
10th Sep 2026232 PMAQI
10th Sep 2026233 PMAQI
10th Sep 2026234 PMAQI
10th Sep 2026215 PMAQI
10th Sep 2026256 PMAQI
10th Sep 2026257 PMAQI
10th Sep 2026258 PMAQI
10th Sep 2026259 PMAQI
10th Sep 20262510 PMAQI
10th Sep 20262511 PMAQI
11th Sep 20262512 AMAQI
11th Sep 2026231 AMAQI
11th Sep 2026232 AMAQI
11th Sep 2026253 AMAQI
11th Sep 2026234 AMAQI

18°C17/18°C

11th Sep 2026235 AMAQI
11th Sep 2026236 AMAQI
11th Sep 2026217 AMAQI
11th Sep 2026218 AMAQI
11th Sep 2026219 AMAQI
11th Sep 20262310 AMAQI
11th Sep 20262311 AMAQI
11th Sep 20262112 PMAQI
11th Sep 2026231 PMAQI
11th Sep 2026252 PMAQI
11th Sep 2026273 PMAQI
11th Sep 2026274 PMAQI
11th Sep 2026255 PMAQI
11th Sep 2026256 PMAQI
11th Sep 2026257 PMAQI
11th Sep 2026258 PMAQI
11th Sep 2026259 PMAQI
11th Sep 20262310 PMAQI
11th Sep 20262111 PMAQI
12th Sep 20262112 AMAQI
12th Sep 2026211 AMAQI
12th Sep 2026212 AMAQI
12th Sep 2026213 AMAQI
12th Sep 2026214 AMAQI

18°C17/19°C

12th Sep 2026255 AMAQI
12th Sep 2026236 AMAQI
12th Sep 2026257 AMAQI
12th Sep 2026258 AMAQI
12th Sep 2026239 AMAQI
12th Sep 20262510 AMAQI
12th Sep 20262311 AMAQI
12th Sep 20262112 PMAQI
12th Sep 2026231 PMAQI
12th Sep 2026232 PMAQI
12th Sep 2026253 PMAQI
12th Sep 2026254 PMAQI
12th Sep 2026235 PMAQI
12th Sep 2026236 PMAQI
12th Sep 2026257 PMAQI
12th Sep 2026258 PMAQI
12th Sep 2026259 PMAQI
12th Sep 20262510 PMAQI
12th Sep 20262511 PMAQI
13th Sep 20263212 AMAQI
13th Sep 2026381 AMAQI
13th Sep 2026322 AMAQI
13th Sep 2026273 AMAQI
13th Sep 2026274 AMAQI

20°C18/22°C

13th Sep 2026256 AMAQI
13th Sep 2026257 AMAQI
13th Sep 2026258 AMAQI
13th Sep 2026259 AMAQI
13th Sep 20262510 AMAQI
13th Sep 20262511 AMAQI
13th Sep 20262512 PMAQI
13th Sep 2026231 PMAQI
13th Sep 2026252 PMAQI
13th Sep 2026213 PMAQI
13th Sep 2026234 PMAQI
13th Sep 2026215 PMAQI
13th Sep 2026236 PMAQI
13th Sep 2026257 PMAQI
13th Sep 2026278 PMAQI
13th Sep 2026299 PMAQI
13th Sep 20262910 PMAQI
13th Sep 20262711 PMAQI
14th Sep 20262712 AMAQI
14th Sep 2026291 AMAQI
14th Sep 2026292 AMAQI
14th Sep 2026293 AMAQI
14th Sep 2026294 AMAQI

22°C20/24°C

14th Sep 2026295 AMAQI
14th Sep 2026296 AMAQI
14th Sep 2026277 AMAQI
14th Sep 2026278 AMAQI
14th Sep 2026279 AMAQI
14th Sep 20262910 AMAQI
14th Sep 20262711 AMAQI
14th Sep 20262512 PMAQI
14th Sep 2026271 PMAQI
14th Sep 2026272 PMAQI
14th Sep 2026253 PMAQI
14th Sep 2026254 PMAQI
14th Sep 2026255 PMAQI
14th Sep 2026256 PMAQI
14th Sep 2026237 PMAQI
14th Sep 2026258 PMAQI
14th Sep 2026259 PMAQI
14th Sep 20262510 PMAQI
14th Sep 20262511 PMAQI
15th Sep 20262512 AMAQI
15th Sep 2026291 AMAQI
15th Sep 2026252 AMAQI
15th Sep 2026253 AMAQI
15th Sep 2026274 AMAQI

25°C21/31°C

15th Sep 2026275 AMAQI
15th Sep 2026256 AMAQI
15th Sep 2026257 AMAQI
15th Sep 2026278 AMAQI
15th Sep 2026219 AMAQI
15th Sep 20262110 AMAQI
15th Sep 20262511 AMAQI
15th Sep 20262512 PMAQI
15th Sep 2026211 PMAQI
15th Sep 2026212 PMAQI
15th Sep 2026213 PMAQI
15th Sep 2026234 PMAQI
15th Sep 2026215 PMAQI
15th Sep 2026326 PMAQI
15th Sep 2026217 PMAQI
15th Sep 2026258 PMAQI
15th Sep 2026239 PMAQI
15th Sep 20262110 PMAQI
15th Sep 20262111 PMAQI
16th Sep 20262112 AMAQI
16th Sep 2026211 AMAQI
16th Sep 2026212 AMAQI
16th Sep 2026213 AMAQI
16th Sep 2026214 AMAQI

22°C20/24°C

16th Sep 2026235 AMAQI
16th Sep 2026236 AMAQI
16th Sep 2026237 AMAQI
16th Sep 2026258 AMAQI
16th Sep 2026259 AMAQI
16th Sep 20262710 AMAQI
16th Sep 20262511 AMAQI
16th Sep 20262112 PMAQI
16th Sep 2026231 PMAQI
16th Sep 2026192 PMAQI
16th Sep 2026213 PMAQI
16th Sep 2026124 PMAQI
16th Sep 2026125 PMAQI
16th Sep 2026216 PMAQI
16th Sep 2026167 PMAQI
16th Sep 2026128 PMAQI
16th Sep 2026129 PMAQI
16th Sep 20261210 PMAQI
16th Sep 20261811 PMAQI
17th Sep 20262512 AMAQI
17th Sep 202681 AMAQI
17th Sep 202682 AMAQI
17th Sep 202683 AMAQI
17th Sep 202684 AMAQI

20°C18/21°C

17th Sep 202685 AMAQI
17th Sep 202686 AMAQI
17th Sep 202687 AMAQI
17th Sep 202688 AMAQI
17th Sep 202689 AMAQI
17th Sep 20261410 AMAQI
17th Sep 20261911 AMAQI
17th Sep 20261912 PMAQI
17th Sep 2026231 PMAQI
17th Sep 2026252 PMAQI
17th Sep 2026253 PMAQI
17th Sep 2026254 PMAQI
17th Sep 2026255 PMAQI
17th Sep 2026296 PMAQI
17th Sep 2026297 PMAQI
17th Sep 2026278 PMAQI
17th Sep 2026279 PMAQI
17th Sep 20262510 PMAQI
17th Sep 20262711 PMAQI
18th Sep 20262512 AMAQI
18th Sep 2026231 AMAQI
18th Sep 2026252 AMAQI
18th Sep 2026273 AMAQI
18th Sep 2026294 AMAQI

19°C17/22°C

18th Sep 2026255 AMAQI
18th Sep 2026236 AMAQI
18th Sep 2026257 AMAQI
18th Sep 2026258 AMAQI
18th Sep 2026239 AMAQI
18th Sep 20262710 AMAQI
18th Sep 20262511 AMAQI
18th Sep 20262512 PMAQI
18th Sep 2026251 PMAQI
18th Sep 2026232 PMAQI
18th Sep 2026253 PMAQI
18th Sep 2026254 PMAQI
18th Sep 2026345 PMAQI
18th Sep 2026446 PMAQI
18th Sep 2026507 PMAQI
18th Sep 2026258 PMAQI
18th Sep 2026259 PMAQI
18th Sep 20262310 PMAQI
18th Sep 20262111 PMAQI
19th Sep 20262112 AMAQI
19th Sep 2026211 AMAQI
19th Sep 2026212 AMAQI
19th Sep 2026253 AMAQI
19th Sep 2026124 AMAQI

19°C16/23°C

19th Sep 2026255 AMAQI
19th Sep 2026256 AMAQI
19th Sep 2026237 AMAQI
19th Sep 2026238 AMAQI
19th Sep 2026219 AMAQI
19th Sep 20262310 AMAQI
19th Sep 20262511 AMAQI
19th Sep 20262512 PMAQI
19th Sep 2026231 PMAQI
19th Sep 2026232 PMAQI
19th Sep 2026233 PMAQI
19th Sep 2026214 PMAQI
19th Sep 2026215 PMAQI
19th Sep 2026256 PMAQI
19th Sep 2026257 PMAQI
19th Sep 2026258 PMAQI
19th Sep 2026259 PMAQI
19th Sep 20262510 PMAQI
19th Sep 20262511 PMAQI
20th Sep 20262312 AMAQI
20th Sep 2026231 AMAQI
20th Sep 2026212 AMAQI
20th Sep 2026213 AMAQI
20th Sep 2026254 AMAQI

21°C18/25°C

20th Sep 2026235 AMAQI
20th Sep 2026256 AMAQI
20th Sep 2026257 AMAQI
20th Sep 2026218 AMAQI
20th Sep 2026219 AMAQI
20th Sep 20262110 AMAQI
20th Sep 20262111 AMAQI
20th Sep 20262312 PMAQI
20th Sep 2026231 PMAQI
20th Sep 2026232 PMAQI
20th Sep 2026253 PMAQI
20th Sep 2026254 PMAQI
20th Sep 2026255 PMAQI
20th Sep 2026236 PMAQI
20th Sep 2026237 PMAQI
20th Sep 2026258 PMAQI
20th Sep 2026219 PMAQI
20th Sep 20261610 PMAQI
20th Sep 20261211 PMAQI
21st Sep 2026812 AMAQI
21st Sep 202681 AMAQI
21st Sep 202682 AMAQI
21st Sep 202683 AMAQI
21st Sep 202684 AMAQI

20°C20/21°C

21st Sep 202685 AMAQI
21st Sep 202686 AMAQI
21st Sep 202687 AMAQI
21st Sep 2026108 AMAQI
21st Sep 2026109 AMAQI
21st Sep 20261210 AMAQI
21st Sep 2026811 AMAQI
21st Sep 20261012 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 2026331 AMAQI
22nd Sep 2026602 AMAQI
22nd Sep 2026553 AMAQI
22nd Sep 2026554 AMAQI

21°C19/24°C

22nd Sep 2026515 AMAQI
22nd Sep 202686 AMAQI
22nd Sep 202687 AMAQI
22nd Sep 202688 AMAQI
22nd Sep 202689 AMAQI
22nd Sep 2026810 AMAQI
22nd Sep 20261711 AMAQI
22nd Sep 20261912 PMAQI
22nd Sep 2026191 PMAQI
22nd Sep 2026212 PMAQI
22nd Sep 2026273 PMAQI
22nd Sep 2026254 PMAQI
22nd Sep 2026295 PMAQI
22nd Sep 2026256 PMAQI
22nd Sep 2026257 PMAQI
22nd Sep 2026218 PMAQI
22nd Sep 2026219 PMAQI
22nd Sep 20262510 PMAQI
22nd Sep 20262111 PMAQI
23rd Sep 20262312 AMAQI
23rd Sep 2026211 AMAQI
23rd Sep 2026212 AMAQI
23rd Sep 2026213 AMAQI
23rd Sep 2026234 AMAQI

25°C22/28°C

23rd Sep 2026255 AMAQI
23rd Sep 2026256 AMAQI
23rd Sep 2026217 AMAQI
23rd Sep 2026258 AMAQI
23rd Sep 2026239 AMAQI
23rd Sep 20262110 AMAQI
23rd Sep 20262311 AMAQI
23rd Sep 20262312 PMAQI
23rd Sep 2026211 PMAQI
23rd Sep 2026232 PMAQI
23rd Sep 2026233 PMAQI
23rd Sep 2026234 PMAQI
23rd Sep 2026235 PMAQI
23rd Sep 2026256 PMAQI
23rd Sep 2026257 PMAQI
23rd Sep 2026238 PMAQI
23rd Sep 2026219 PMAQI
23rd Sep 20262110 PMAQI
23rd Sep 20262111 PMAQI
24th Sep 20262112 AMAQI
24th Sep 2026231 AMAQI
24th Sep 2026212 AMAQI
24th Sep 2026213 AMAQI
24th Sep 2026214 AMAQI

19°C18/22°C

24th Sep 2026235 AMAQI
24th Sep 2026236 AMAQI
24th Sep 2026257 AMAQI
24th Sep 2026238 AMAQI
24th Sep 2026219 AMAQI
24th Sep 20262510 AMAQI
24th Sep 20262311 AMAQI
24th Sep 20262312 PMAQI
24th Sep 2026211 PMAQI
24th Sep 2026212 PMAQI
24th Sep 2026253 PMAQI
24th Sep 2026234 PMAQI
24th Sep 2026255 PMAQI
24th Sep 2026256 PMAQI
24th Sep 2026257 PMAQI
24th Sep 2026258 PMAQI
24th Sep 2026259 PMAQI
24th Sep 20262310 PMAQI
24th Sep 20262511 PMAQI
25th Sep 20262312 AMAQI
25th Sep 2026231 AMAQI
25th Sep 2026212 AMAQI
25th Sep 2026213 AMAQI
25th Sep 2026214 AMAQI

22°C17/27°C

25th Sep 2026215 AMAQI
25th Sep 2026216 AMAQI
25th Sep 2026217 AMAQI
25th Sep 2026218 AMAQI
25th Sep 2026219 AMAQI
25th Sep 20262310 AMAQI
25th Sep 20262311 AMAQI
25th Sep 20264212 PMAQI
25th Sep 2026601 PMAQI
25th Sep 2026252 PMAQI
25th Sep 2026213 PMAQI
25th Sep 2026294 PMAQI
25th Sep 2026315 PMAQI
25th Sep 2026296 PMAQI
25th Sep 2026277 PMAQI
25th Sep 2026218 PMAQI
25th Sep 2026239 PMAQI
25th Sep 20262510 PMAQI
25th Sep 20262311 PMAQI
26th Sep 20262112 AMAQI
26th Sep 2026211 AMAQI
26th Sep 2026232 AMAQI
26th Sep 2026233 AMAQI
26th Sep 2026234 AMAQI

21°C20/24°C

26th Sep 2026255 AMAQI
26th Sep 2026236 AMAQI
26th Sep 2026217 AMAQI
26th Sep 2026218 AMAQI
26th Sep 2026239 AMAQI
26th Sep 20262310 AMAQI
26th Sep 20262511 AMAQI
26th Sep 20262512 PMAQI
26th Sep 2026251 PMAQI
26th Sep 2026192 PMAQI
26th Sep 2026253 PMAQI
26th Sep 2026214 PMAQI
26th Sep 2026255 PMAQI
26th Sep 2026256 PMAQI
26th Sep 2026257 PMAQI
26th Sep 2026258 PMAQI
26th Sep 2026239 PMAQI
26th Sep 20262310 PMAQI
26th Sep 20262111 PMAQI
27th Sep 20262112 AMAQI
27th Sep 2026141 AMAQI
27th Sep 2026252 AMAQI
27th Sep 2026233 AMAQI
27th Sep 2026214 AMAQI

17°C15/19°C

27th Sep 2026175 AMAQI
27th Sep 2026196 AMAQI
27th Sep 2026197 AMAQI
27th Sep 2026258 AMAQI
27th Sep 2026219 AMAQI
27th Sep 20262110 AMAQI
27th Sep 20262111 AMAQI
27th Sep 20262312 PMAQI
27th Sep 2026231 PMAQI
27th Sep 2026252 PMAQI
27th Sep 2026193 PMAQI
27th Sep 2026254 PMAQI
27th Sep 2026215 PMAQI
27th Sep 2026176 PMAQI
27th Sep 2026257 PMAQI
27th Sep 2026258 PMAQI
27th Sep 2026259 PMAQI
27th Sep 20262510 PMAQI
27th Sep 20262511 PMAQI
28th Sep 20262112 AMAQI
28th Sep 2026251 AMAQI
28th Sep 2026252 AMAQI
28th Sep 2026293 AMAQI
28th Sep 2026254 AMAQI

19°C16/22°C

28th Sep 2026295 AMAQI
28th Sep 2026256 AMAQI
28th Sep 2026257 AMAQI
28th Sep 2026238 AMAQI
28th Sep 2026259 AMAQI
28th Sep 20262110 AMAQI
28th Sep 20262511 AMAQI
28th Sep 20262512 PMAQI
28th Sep 2026251 PMAQI
28th Sep 2026252 PMAQI
28th Sep 2026253 PMAQI
28th Sep 2026254 PMAQI
28th Sep 2026255 PMAQI
28th Sep 2026256 PMAQI
28th Sep 2026237 PMAQI
28th Sep 2026298 PMAQI
28th Sep 2026259 PMAQI
28th Sep 20262910 PMAQI
28th Sep 20262511 PMAQI
29th Sep 20262512 AMAQI
29th Sep 2026251 AMAQI
29th Sep 2026232 AMAQI
29th Sep 2026213 AMAQI
29th Sep 2026254 AMAQI

20°C18/23°C

29th Sep 2026215 AMAQI
29th Sep 2026256 AMAQI
29th Sep 2026257 AMAQI
29th Sep 2026258 AMAQI
29th Sep 2026219 AMAQI
29th Sep 20261210 AMAQI
29th Sep 20262511 AMAQI
29th Sep 20262112 PMAQI
29th Sep 2026251 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 20262110 PMAQI
29th Sep 20262111 PMAQI
30th Sep 20262512 AMAQI
30th Sep 2026251 AMAQI
30th Sep 2026252 AMAQI
30th Sep 2026253 AMAQI
30th Sep 2026254 AMAQI

17°C16/21°C

30th Sep 2026255 AMAQI
30th Sep 2026256 AMAQI
30th Sep 2026257 AMAQI
30th Sep 2026258 AMAQI
30th Sep 2026259 AMAQI
30th Sep 20262510 AMAQI
30th Sep 20262511 AMAQI
30th Sep 20262512 PMAQI
30th Sep 2026251 PMAQI
30th Sep 2026232 PMAQI
30th Sep 2026253 PMAQI
30th Sep 2026254 PMAQI
30th Sep 2026295 PMAQI
30th Sep 2026296 PMAQI
30th Sep 2026257 PMAQI
30th Sep 2026278 PMAQI
30th Sep 2026239 PMAQI
30th Sep 20262110 PMAQI
30th Sep 20262111 PMAQI
1st Oct 20262112 AMAQI
1st Oct 2026211 AMAQI
1st Oct 2026232 AMAQI
1st Oct 2026233 AMAQI
1st Oct 2026214 AMAQI

17°C15/19°C

1st Oct 2026215 AMAQI
1st Oct 2026256 AMAQI
1st Oct 2026257 AMAQI
1st Oct 2026258 AMAQI
1st Oct 2026239 AMAQI
1st Oct 20262310 AMAQI
1st Oct 20262311 AMAQI
1st Oct 20262112 PMAQI
1st Oct 2026271 PMAQI
1st Oct 2026322 PMAQI
1st Oct 2026233 PMAQI
1st Oct 2026274 PMAQI
1st Oct 2026255 PMAQI
1st Oct 2026256 PMAQI
1st Oct 2026257 PMAQI
1st Oct 2026218 PMAQI
1st Oct 2026219 PMAQI
1st Oct 20262510 PMAQI
1st Oct 20262511 PMAQI
2nd Oct 20262312 AMAQI
2nd Oct 2026231 AMAQI
2nd Oct 2026252 AMAQI
2nd Oct 2026253 AMAQI
2nd Oct 2026234 AMAQI

21°C17/27°C

2nd Oct 2026215 AMAQI
2nd Oct 2026256 AMAQI
2nd Oct 2026237 AMAQI
2nd Oct 2026238 AMAQI
2nd Oct 2026259 AMAQI
2nd Oct 20262310 AMAQI
2nd Oct 20262311 AMAQI
2nd Oct 20262312 PMAQI
2nd Oct 2026211 PMAQI
2nd Oct 2026212 PMAQI
2nd Oct 2026213 PMAQI
2nd Oct 2026214 PMAQI
2nd Oct 2026235 PMAQI
2nd Oct 2026216 PMAQI
2nd Oct 2026217 PMAQI
2nd Oct 2026238 PMAQI
2nd Oct 2026219 PMAQI
2nd Oct 20262110 PMAQI
2nd Oct 20262311 PMAQI
3rd Oct 20262112 AMAQI
3rd Oct 2026211 AMAQI
3rd Oct 2026212 AMAQI
3rd Oct 2026213 AMAQI
3rd Oct 2026234 AMAQI

17°C15/20°C

3rd Oct 2026215 AMAQI
5 AM
3rd Oct 2026216 AMAQI
3rd Oct 2026217 AMAQI
3rd Oct 2026218 AMAQI
3rd Oct 2026219 AMAQI
3rd Oct 20262110 AMAQI
3rd Oct 20262111 AMAQI
11 AM
3rd Oct 20262712 PMAQI
3rd Oct 2026231 PMAQI
3rd Oct 2026232 PMAQI
3rd Oct 2026233 PMAQI
3rd Oct 2026254 PMAQI
3rd Oct 2026255 PMAQI
5 PM
3rd Oct 2026236 PMAQI
3rd Oct 2026237 PMAQI
3rd Oct 2026238 PMAQI
3rd Oct 2026259 PMAQI
3rd Oct 20262310 PMAQI
3rd Oct 20262111 PMAQI
11 PM
4 AM

18°C15/23°C

Day time
Avg. Highest Time
1 PM

24AQI

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

21AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 1 PM (Avg. 24), while the lowest AQI was between 9 AM to 9 AM (Avg. 21).
Night time
Avg. Highest Time
2 AM

24AQI

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

22AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 2 AM (Avg. 24), while the lowest AQI was between 12 AM to 12 AM (Avg. 22).

2026 Days Vs Air Quality

Morohongo, Saitama, Japan

2026

88%

242

12%

34

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

Good
242 Days
Moderate
34 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 88%

Health Risk Level:

Low

In 2026, 88% 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

Morohongo, 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
26AQI (US)
2nd January 2026
22AQI (US)
3rd January 2026
22AQI (US)
4th January 2026
27AQI (US)
5th January 2026
36AQI (US)
6th January 2026
23AQI (US)
7th January 2026
34AQI (US)
8th January 2026
31AQI (US)
9th January 2026
24AQI (US)
10th January 2026
41AQI (US)
11th January 2026
36AQI (US)
12th January 2026
15AQI (US)
13th January 2026
28AQI (US)
14th January 2026
22AQI (US)
15th January 2026
34AQI (US)
16th January 2026
47AQI (US)
17th January 2026
53AQI (US)
18th January 2026
36AQI (US)
19th January 2026
60AQI (US)
20th January 2026
37AQI (US)
21st January 2026
18AQI (US)
22nd January 2026
24AQI (US)
23rd January 2026
35AQI (US)
24th January 2026
39AQI (US)
25th January 2026
45AQI (US)
26th January 2026
29AQI (US)
27th January 2026
36AQI (US)
28th January 2026
27AQI (US)
29th January 2026
23AQI (US)
30th January 2026
34AQI (US)
31st January 2026
35AQI (US)
1st February 2026
36AQI (US)
2nd February 2026
42AQI (US)
3rd February 2026
31AQI (US)
4th February 2026
37AQI (US)
5th February 2026
46AQI (US)
6th February 2026
44AQI (US)
7th February 2026
13AQI (US)
8th February 2026
18AQI (US)
9th February 2026
37AQI (US)
10th February 2026
21AQI (US)
11th February 2026
28AQI (US)
12th February 2026
25AQI (US)
13th February 2026
45AQI (US)
14th February 2026
66AQI (US)
15th February 2026
62AQI (US)
16th February 2026
38AQI (US)
17th February 2026
19AQI (US)
18th February 2026
33AQI (US)
19th February 2026
31AQI (US)
20th February 2026
32AQI (US)
21st February 2026
42AQI (US)
22nd February 2026
40AQI (US)
23rd February 2026
43AQI (US)
24th February 2026
41AQI (US)
25th February 2026
40AQI (US)
26th February 2026
10AQI (US)
27th February 2026
27AQI (US)
28th February 2026
47AQI (US)
1st March 2026
41AQI (US)
2nd March 2026
82AQI (US)
3rd March 2026
45AQI (US)
4th March 2026
59AQI (US)
5th March 2026
59AQI (US)
6th March 2026
53AQI (US)
7th March 2026
49AQI (US)
8th March 2026
45AQI (US)
9th March 2026
53AQI (US)
10th March 2026
59AQI (US)
11th March 2026
60AQI (US)
12th March 2026
70AQI (US)
13th March 2026
42AQI (US)
14th March 2026
37AQI (US)
15th March 2026
17AQI (US)
16th March 2026
31AQI (US)
17th March 2026
57AQI (US)
18th March 2026
57AQI (US)
19th March 2026
35AQI (US)
20th March 2026
33AQI (US)
21st March 2026
50AQI (US)
22nd March 2026
58AQI (US)
23rd March 2026
55AQI (US)
24th March 2026
47AQI (US)
25th March 2026
65AQI (US)
26th March 2026
24AQI (US)
27th March 2026
22AQI (US)
28th March 2026
47AQI (US)
29th March 2026
57AQI (US)
30th March 2026
58AQI (US)
31st March 2026
35AQI (US)
1st April 2026
17AQI (US)
2nd April 2026
24AQI (US)
3rd April 2026
46AQI (US)
4th April 2026
54AQI (US)
5th April 2026
32AQI (US)
6th April 2026
24AQI (US)
7th April 2026
44AQI (US)
8th April 2026
26AQI (US)
9th April 2026
32AQI (US)
10th April 2026
49AQI (US)
11th April 2026
37AQI (US)
12th April 2026
35AQI (US)
13th April 2026
36AQI (US)
14th April 2026
43AQI (US)
15th April 2026
44AQI (US)
16th April 2026
33AQI (US)
17th April 2026
35AQI (US)
18th April 2026
35AQI (US)
19th April 2026
40AQI (US)
20th April 2026
38AQI (US)
21st April 2026
41AQI (US)
22nd April 2026
48AQI (US)
23rd April 2026
38AQI (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
39AQI (US)
1st May 2026
48AQI (US)
2nd May 2026
51AQI (US)
3rd May 2026
45AQI (US)
4th May 2026
30AQI (US)
5th May 2026
24AQI (US)
6th May 2026
32AQI (US)
7th May 2026
34AQI (US)
8th May 2026
28AQI (US)
9th May 2026
26AQI (US)
10th May 2026
28AQI (US)
11th May 2026
33AQI (US)
12th May 2026
37AQI (US)
13th May 2026
45AQI (US)
14th May 2026
40AQI (US)
15th May 2026
37AQI (US)
16th May 2026
85AQI (US)
17th May 2026
68AQI (US)
18th May 2026
53AQI (US)
19th May 2026
48AQI (US)
20th May 2026
62AQI (US)
21st May 2026
59AQI (US)
22nd May 2026
61AQI (US)
23rd May 2026
55AQI (US)
24th May 2026
58AQI (US)
25th May 2026
48AQI (US)
26th May 2026
40AQI (US)
27th May 2026
26AQI (US)
28th May 2026
26AQI (US)
29th May 2026
25AQI (US)
30th May 2026
24AQI (US)
31st May 2026
28AQI (US)
1st June 2026
30AQI (US)
2nd June 2026
32AQI (US)
3rd June 2026
11AQI (US)
4th June 2026
20AQI (US)
5th June 2026
22AQI (US)
6th June 2026
21AQI (US)
7th June 2026
22AQI (US)
8th June 2026
21AQI (US)
9th June 2026
23AQI (US)
10th June 2026
23AQI (US)
11th June 2026
26AQI (US)
12th June 2026
25AQI (US)
13th June 2026
28AQI (US)
14th June 2026
25AQI (US)
15th June 2026
20AQI (US)
16th June 2026
26AQI (US)
17th June 2026
25AQI (US)
18th June 2026
26AQI (US)
19th June 2026
31AQI (US)
20th June 2026
22AQI (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
28AQI (US)
27th June 2026
26AQI (US)
28th June 2026
28AQI (US)
29th June 2026
27AQI (US)
30th June 2026
25AQI (US)
1st July 2026
27AQI (US)
2nd July 2026
21AQI (US)
3rd July 2026
13AQI (US)
4th July 2026
36AQI (US)
5th July 2026
17AQI (US)
6th July 2026
32AQI (US)
7th July 2026
27AQI (US)
8th July 2026
26AQI (US)
9th July 2026
26AQI (US)
10th July 2026
27AQI (US)
11th July 2026
29AQI (US)
12th July 2026
28AQI (US)
13th July 2026
29AQI (US)
14th July 2026
30AQI (US)
15th July 2026
29AQI (US)
16th July 2026
37AQI (US)
17th July 2026
34AQI (US)
18th July 2026
32AQI (US)
19th July 2026
30AQI (US)
20th July 2026
26AQI (US)
21st July 2026
48AQI (US)
22nd July 2026
60AQI (US)
23rd July 2026
53AQI (US)
24th July 2026
40AQI (US)
25th July 2026
34AQI (US)
26th July 2026
27AQI (US)
27th July 2026
24AQI (US)
28th July 2026
29AQI (US)
29th July 2026
28AQI (US)
30th July 2026
30AQI (US)
31st July 2026
49AQI (US)
1st August 2026
51AQI (US)
2nd August 2026
39AQI (US)
3rd August 2026
22AQI (US)
4th August 2026
25AQI (US)
5th August 2026
30AQI (US)
6th August 2026
38AQI (US)
7th August 2026
41AQI (US)
8th August 2026
38AQI (US)
9th August 2026
33AQI (US)
10th August 2026
37AQI (US)
11th August 2026
43AQI (US)
12th August 2026
34AQI (US)
13th August 2026
23AQI (US)
14th August 2026
17AQI (US)
15th August 2026
24AQI (US)
16th August 2026
26AQI (US)
17th August 2026
24AQI (US)
18th August 2026
25AQI (US)
19th August 2026
24AQI (US)
20th August 2026
26AQI (US)
21st August 2026
30AQI (US)
22nd August 2026
27AQI (US)
23rd August 2026
30AQI (US)
24th August 2026
46AQI (US)
25th August 2026
46AQI (US)
26th August 2026
54AQI (US)
27th August 2026
34AQI (US)
28th August 2026
24AQI (US)
29th August 2026
24AQI (US)
30th August 2026
25AQI (US)
31st August 2026
24AQI (US)
1st September 2026
24AQI (US)
2nd September 2026
25AQI (US)
3rd September 2026
29AQI (US)
4th September 2026
23AQI (US)
5th September 2026
24AQI (US)
6th September 2026
23AQI (US)
7th September 2026
14AQI (US)
8th September 2026
23AQI (US)
9th September 2026
25AQI (US)
10th September 2026
23AQI (US)
11th September 2026
24AQI (US)
12th September 2026
23AQI (US)
13th September 2026
26AQI (US)
14th September 2026
27AQI (US)
15th September 2026
24AQI (US)
16th September 2026
20AQI (US)
17th September 2026
18AQI (US)
18th September 2026
27AQI (US)
19th September 2026
23AQI (US)
20th September 2026
22AQI (US)
21st September 2026
8AQI (US)
22nd September 2026
25AQI (US)
23rd September 2026
23AQI (US)
24th September 2026
23AQI (US)
25th September 2026
26AQI (US)
26th September 2026
23AQI (US)
27th September 2026
22AQI (US)
28th September 2026
25AQI (US)
29th September 2026
22AQI (US)
30th September 2026
25AQI (US)
1st October 2026
24AQI (US)
2nd October 2026
23AQI (US)
3rd October 2026
22AQI (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

32AQI (US)

36AQI (US)

48AQI (US)

38AQI (US)

42AQI (US)

24AQI (US)

32AQI (US)

32AQI (US)

23AQI (US)

23AQI (US)

No. of days

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

202634AQI (US)

29
2
26
2
16
15
28
2
22
9
30
29
2
29
2
30
3
242
34

Highest AQI (US) recorded in

March

48AQI (US)

Lowest AQI (US) recorded in

October

23AQI (US)

202542AQI (US)

30
1
28
22
9
22
8
27
4
27
3
22
9
23
8
29
1
12
19
16
14
17
14
275
90

Highest AQI (US) recorded in

October

51AQI (US)

Lowest AQI (US) recorded in

September

35AQI (US)

202344AQI (US)

25
5
21
7
17
14
12
18
22
9
18
12
15
16
30
1
27
3
29
2
20
9
24
7
260
103

Highest AQI (US) recorded in

April

53AQI (US)

Lowest AQI (US) recorded in

August

34AQI (US)

202241AQI (US)

29
1
20
1
20
11
18
12
23
8
17
13
18
6
1
19
9
27
4
22
8
31
245
73

Highest AQI (US) recorded in

June

50AQI (US)

Lowest AQI (US) recorded in

December

29AQI (US)

202139AQI (US)

25
6
22
6
21
8
2
24
6
24
7
22
8
29
2
23
8
26
4
27
4
28
2
30
1
301
62
2

Highest AQI (US) recorded in

March

47AQI (US)

Lowest AQI (US) recorded in

December

35AQI (US)

202037AQI (US)

11
2
17
4
17
1
21
9
27
4
14
17
18
1
27
4
21
9
28
3
201
54

Highest AQI (US) recorded in

August

50AQI (US)

Lowest AQI (US) recorded in

September

28AQI (US)

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
44AQI (US)
Least Polluted Year Recorded
2026(Avg.)
34AQI (US)

Morohongo's annual 2026 AQI (US) (34) shows an average percentage change of -15.9% (improved AQI (US)) compared to previous years: 2020 (37), 2021 (39), 2022 (41), 2023 (44), 2025 (42).