Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Saijo, Ehime, 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+

July Air Quality Analysis

Saijo, Ehime, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
4th Jul 2025
109AQI
Lowest AQI recorded on
2nd Jul 2026
14AQI

Same Day Analysis (18th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 56 of Moderate air quality, showing improvement over 2024 on the same day.

Day & Night AQI Trend: 17th Jul - 18th Jul 2026

Saijo, Ehime, Japan

AQI
Day
Night
.

5 AM17th Jul 2026

7 PM

4 AM18th Jul 2026

Day time
Avg. Highest Time
4PM17th Jul

52AQI

Avg. Lowest Time
8AM17th Jul

24AQI

Night time
Avg. Highest Time
11PM17th Jul

56AQI

Avg. Lowest Time
8PM17th Jul

53AQI

In the last 24 hours,

Saijo's AQI reached its highest point of 56 at 11 PM during the Night, while the lowest point, 24, was recorded at 8 AM during the Day between 17th Jul and 18th Jul 2026.

Day & Night AQI Trend : Jun - Jul 2026

Saijo, Ehime, Japan

JunJul
19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 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
Day
Night
19th Jun 2026365 AMAQI
19th Jun 2026366 AMAQI
19th Jun 2026347 AMAQI
19th Jun 2026298 AMAQI
19th Jun 2026399 AMAQI
19th Jun 20265010 AMAQI
19th Jun 20264111 AMAQI
19th Jun 20262812 PMAQI
19th Jun 2026281 PMAQI
19th Jun 2026282 PMAQI
19th Jun 2026293 PMAQI
19th Jun 2026264 PMAQI
19th Jun 2026255 PMAQI
19th Jun 2026246 PMAQI
19th Jun 2026287 PMAQI
19th Jun 2026738 PMAQI
19th Jun 2026789 PMAQI
19th Jun 20266810 PMAQI
19th Jun 20265911 PMAQI
20th Jun 20266312 AMAQI
20th Jun 2026791 AMAQI
20th Jun 2026762 AMAQI
20th Jun 2026863 AMAQI
20th Jun 2026704 AMAQI

21°C19/24°C

20th Jun 2026715 AMAQI
20th Jun 2026616 AMAQI
20th Jun 2026517 AMAQI
20th Jun 2026468 AMAQI
20th Jun 2026499 AMAQI
20th Jun 20265010 AMAQI
20th Jun 20265511 AMAQI
20th Jun 20266012 PMAQI
20th Jun 2026641 PMAQI
20th Jun 2026702 PMAQI
20th Jun 2026703 PMAQI
20th Jun 2026714 PMAQI
20th Jun 2026645 PMAQI
20th Jun 2026526 PMAQI
20th Jun 2026447 PMAQI
20th Jun 2026288 PMAQI
20th Jun 2026259 PMAQI
20th Jun 20262310 PMAQI
20th Jun 20262511 PMAQI
21st Jun 20263612 AMAQI
21st Jun 2026341 AMAQI
21st Jun 2026342 AMAQI
21st Jun 2026233 AMAQI
21st Jun 2026124 AMAQI

22°C19/25°C

21st Jun 2026145 AMAQI
21st Jun 2026186 AMAQI
21st Jun 2026167 AMAQI
21st Jun 2026168 AMAQI
21st Jun 2026159 AMAQI
21st Jun 20261810 AMAQI
21st Jun 20261711 AMAQI
21st Jun 20261612 PMAQI
21st Jun 2026161 PMAQI
21st Jun 2026222 PMAQI
21st Jun 2026193 PMAQI
21st Jun 2026204 PMAQI
21st Jun 2026255 PMAQI
21st Jun 2026186 PMAQI
21st Jun 2026147 PMAQI
21st Jun 2026198 PMAQI
21st Jun 2026169 PMAQI
21st Jun 20261210 PMAQI
21st Jun 20261211 PMAQI
22nd Jun 20261412 AMAQI
22nd Jun 2026171 AMAQI
22nd Jun 2026182 AMAQI
22nd Jun 2026183 AMAQI
22nd Jun 2026134 AMAQI

21°C16/25°C

22nd Jun 2026175 AMAQI
22nd Jun 2026126 AMAQI
22nd Jun 2026147 AMAQI
22nd Jun 2026128 AMAQI
22nd Jun 2026109 AMAQI
22nd Jun 20261010 AMAQI
22nd Jun 20261011 AMAQI
22nd Jun 20261012 PMAQI
22nd Jun 202681 PMAQI
22nd Jun 202672 PMAQI
22nd Jun 2026133 PMAQI
22nd Jun 2026184 PMAQI
22nd Jun 2026185 PMAQI
22nd Jun 2026196 PMAQI
22nd Jun 2026187 PMAQI
22nd Jun 2026188 PMAQI
22nd Jun 2026199 PMAQI
22nd Jun 20261810 PMAQI
22nd Jun 20262011 PMAQI
23rd Jun 20261612 AMAQI
23rd Jun 2026251 AMAQI
23rd Jun 2026232 AMAQI
23rd Jun 2026243 AMAQI
23rd Jun 2026244 AMAQI

19°C17/22°C

23rd Jun 2026245 AMAQI
23rd Jun 2026246 AMAQI
23rd Jun 2026237 AMAQI
23rd Jun 2026258 AMAQI
23rd Jun 2026259 AMAQI
23rd Jun 20262210 AMAQI
23rd Jun 20262211 AMAQI
23rd Jun 20262212 PMAQI
23rd Jun 2026221 PMAQI
23rd Jun 2026222 PMAQI
23rd Jun 2026203 PMAQI
23rd Jun 2026204 PMAQI
23rd Jun 2026205 PMAQI
23rd Jun 2026206 PMAQI
23rd Jun 2026207 PMAQI
23rd Jun 2026208 PMAQI
23rd Jun 2026209 PMAQI
23rd Jun 20261710 PMAQI
23rd Jun 20262311 PMAQI
24th Jun 20262212 AMAQI
24th Jun 2026231 AMAQI
24th Jun 2026222 AMAQI
24th Jun 2026233 AMAQI
24th Jun 2026224 AMAQI

17°C16/18°C

24th Jun 2026225 AMAQI
24th Jun 2026206 AMAQI
24th Jun 2026227 AMAQI
24th Jun 2026228 AMAQI
24th Jun 2026219 AMAQI
24th Jun 20262410 AMAQI
24th Jun 20262311 AMAQI
24th Jun 20262212 PMAQI
24th Jun 2026211 PMAQI
24th Jun 2026212 PMAQI
24th Jun 2026203 PMAQI
24th Jun 2026204 PMAQI
24th Jun 2026195 PMAQI
24th Jun 2026186 PMAQI
24th Jun 2026187 PMAQI
24th Jun 2026188 PMAQI
24th Jun 2026199 PMAQI
24th Jun 20261910 PMAQI
24th Jun 20262111 PMAQI
25th Jun 20262112 AMAQI
25th Jun 2026231 AMAQI
25th Jun 2026222 AMAQI
25th Jun 2026203 AMAQI
25th Jun 2026204 AMAQI

18°C17/19°C

25th Jun 2026205 AMAQI
25th Jun 2026206 AMAQI
25th Jun 2026207 AMAQI
25th Jun 2026208 AMAQI
25th Jun 2026219 AMAQI
25th Jun 20262410 AMAQI
25th Jun 20262211 AMAQI
25th Jun 20262212 PMAQI
25th Jun 2026241 PMAQI
25th Jun 2026292 PMAQI
25th Jun 2026263 PMAQI
25th Jun 2026284 PMAQI
25th Jun 2026245 PMAQI
25th Jun 2026266 PMAQI
25th Jun 2026467 PMAQI
25th Jun 2026568 PMAQI
25th Jun 2026439 PMAQI
25th Jun 20262510 PMAQI
25th Jun 20262611 PMAQI
26th Jun 20263212 AMAQI
26th Jun 2026321 AMAQI
26th Jun 2026252 AMAQI
26th Jun 2026123 AMAQI
26th Jun 2026124 AMAQI

20°C19/21°C

26th Jun 2026175 AMAQI
26th Jun 2026226 AMAQI
26th Jun 2026207 AMAQI
26th Jun 2026228 AMAQI
26th Jun 2026359 AMAQI
26th Jun 20266310 AMAQI
26th Jun 20265311 AMAQI
26th Jun 20264812 PMAQI
26th Jun 2026371 PMAQI
26th Jun 2026242 PMAQI
26th Jun 2026203 PMAQI
26th Jun 2026204 PMAQI
26th Jun 2026205 PMAQI
26th Jun 2026196 PMAQI
26th Jun 2026207 PMAQI
26th Jun 2026228 PMAQI
26th Jun 2026199 PMAQI
26th Jun 20262210 PMAQI
26th Jun 20262611 PMAQI
27th Jun 20262612 AMAQI
27th Jun 2026251 AMAQI
27th Jun 2026242 AMAQI
27th Jun 2026243 AMAQI
27th Jun 2026234 AMAQI

20°C18/22°C

27th Jun 2026275 AMAQI
27th Jun 2026256 AMAQI
27th Jun 2026247 AMAQI
27th Jun 2026248 AMAQI
27th Jun 2026259 AMAQI
27th Jun 20264310 AMAQI
27th Jun 20264211 AMAQI
27th Jun 20262812 PMAQI
27th Jun 2026261 PMAQI
27th Jun 2026242 PMAQI
27th Jun 2026243 PMAQI
27th Jun 2026264 PMAQI
27th Jun 2026255 PMAQI
27th Jun 2026256 PMAQI
27th Jun 2026267 PMAQI
27th Jun 2026268 PMAQI
27th Jun 2026289 PMAQI
27th Jun 20262710 PMAQI
27th Jun 20262611 PMAQI
28th Jun 20263012 AMAQI
28th Jun 2026281 AMAQI
28th Jun 2026282 AMAQI
28th Jun 2026283 AMAQI
28th Jun 2026274 AMAQI

21°C19/23°C

28th Jun 2026265 AMAQI
28th Jun 2026276 AMAQI
28th Jun 2026267 AMAQI
28th Jun 2026268 AMAQI
28th Jun 2026269 AMAQI
28th Jun 20263110 AMAQI
28th Jun 20262811 AMAQI
28th Jun 20262512 PMAQI
28th Jun 2026311 PMAQI
28th Jun 2026362 PMAQI
28th Jun 2026453 PMAQI
28th Jun 2026344 PMAQI
28th Jun 2026315 PMAQI
28th Jun 2026616 PMAQI
28th Jun 2026627 PMAQI
28th Jun 2026618 PMAQI
28th Jun 2026299 PMAQI
28th Jun 20262810 PMAQI
28th Jun 20263411 PMAQI
29th Jun 20263412 AMAQI
29th Jun 2026291 AMAQI
29th Jun 2026332 AMAQI
29th Jun 2026333 AMAQI
29th Jun 2026324 AMAQI

21°C18/22°C

29th Jun 2026285 AMAQI
29th Jun 2026286 AMAQI
29th Jun 2026287 AMAQI
29th Jun 2026338 AMAQI
29th Jun 2026229 AMAQI
29th Jun 20262510 AMAQI
29th Jun 20262811 AMAQI
29th Jun 20262412 PMAQI
29th Jun 2026241 PMAQI
29th Jun 2026362 PMAQI
29th Jun 2026343 PMAQI
29th Jun 2026284 PMAQI
29th Jun 2026225 PMAQI
29th Jun 2026286 PMAQI
29th Jun 2026267 PMAQI
29th Jun 2026248 PMAQI
29th Jun 2026229 PMAQI
29th Jun 20262410 PMAQI
29th Jun 20262611 PMAQI
30th Jun 20262812 AMAQI
30th Jun 2026281 AMAQI
30th Jun 2026292 AMAQI
30th Jun 2026263 AMAQI
30th Jun 2026264 AMAQI

21°C17/25°C

30th Jun 2026275 AMAQI
30th Jun 2026256 AMAQI
30th Jun 2026247 AMAQI
30th Jun 2026268 AMAQI
30th Jun 2026279 AMAQI
30th Jun 20262810 AMAQI
30th Jun 20262611 AMAQI
30th Jun 20263612 PMAQI
30th Jun 2026821 PMAQI
30th Jun 2026682 PMAQI
30th Jun 2026663 PMAQI
30th Jun 2026604 PMAQI
30th Jun 2026625 PMAQI
30th Jun 2026666 PMAQI
30th Jun 2026617 PMAQI
30th Jun 2026648 PMAQI
30th Jun 2026759 PMAQI
30th Jun 20267210 PMAQI
30th Jun 20267211 PMAQI
1st Jul 20266812 AMAQI
1st Jul 2026721 AMAQI
1st Jul 2026712 AMAQI
1st Jul 2026743 AMAQI
1st Jul 2026744 AMAQI

20°C18/24°C

1st Jul 2026685 AMAQI
1st Jul 2026696 AMAQI
1st Jul 2026687 AMAQI
1st Jul 2026688 AMAQI
1st Jul 2026649 AMAQI
1st Jul 20266410 AMAQI
1st Jul 20266811 AMAQI
1st Jul 20267112 PMAQI
1st Jul 2026711 PMAQI
1st Jul 2026722 PMAQI
1st Jul 2026673 PMAQI
1st Jul 2026694 PMAQI
1st Jul 2026665 PMAQI
1st Jul 2026626 PMAQI
1st Jul 2026267 PMAQI
1st Jul 2026278 PMAQI
1st Jul 2026279 PMAQI
1st Jul 20262710 PMAQI
1st Jul 20262611 PMAQI
2nd Jul 20262412 AMAQI
2nd Jul 2026201 AMAQI
2nd Jul 2026182 AMAQI
2nd Jul 2026143 AMAQI
2nd Jul 2026104 AMAQI

20°C18/21°C

2nd Jul 2026105 AMAQI
2nd Jul 2026126 AMAQI
2nd Jul 2026107 AMAQI
2nd Jul 2026168 AMAQI
2nd Jul 2026129 AMAQI
2nd Jul 20261210 AMAQI
2nd Jul 20261111 AMAQI
2nd Jul 20261012 PMAQI
2nd Jul 202691 PMAQI
2nd Jul 202682 PMAQI
2nd Jul 202683 PMAQI
2nd Jul 2026104 PMAQI
2nd Jul 2026165 PMAQI
2nd Jul 2026146 PMAQI
2nd Jul 2026197 PMAQI
2nd Jul 2026168 PMAQI
2nd Jul 2026169 PMAQI
2nd Jul 20261910 PMAQI
2nd Jul 20262811 PMAQI
3rd Jul 20262812 AMAQI
3rd Jul 2026251 AMAQI
3rd Jul 2026222 AMAQI
3rd Jul 2026253 AMAQI
3rd Jul 2026204 AMAQI

22°C19/26°C

3rd Jul 2026195 AMAQI
3rd Jul 2026246 AMAQI
3rd Jul 2026217 AMAQI
3rd Jul 2026218 AMAQI
3rd Jul 2026209 AMAQI
3rd Jul 20262010 AMAQI
3rd Jul 20262111 AMAQI
3rd Jul 20262012 PMAQI
3rd Jul 2026251 PMAQI
3rd Jul 2026342 PMAQI
3rd Jul 2026393 PMAQI
3rd Jul 2026424 PMAQI
3rd Jul 2026275 PMAQI
3rd Jul 2026256 PMAQI
3rd Jul 2026247 PMAQI
3rd Jul 2026268 PMAQI
3rd Jul 2026269 PMAQI
3rd Jul 20262810 PMAQI
3rd Jul 20262911 PMAQI
4th Jul 20262812 AMAQI
4th Jul 2026281 AMAQI
4th Jul 2026282 AMAQI
4th Jul 2026283 AMAQI
4th Jul 2026244 AMAQI

22°C17/26°C

4th Jul 2026265 AMAQI
4th Jul 2026276 AMAQI
4th Jul 2026267 AMAQI
4th Jul 2026268 AMAQI
4th Jul 2026249 AMAQI
4th Jul 20262410 AMAQI
4th Jul 20262511 AMAQI
4th Jul 20262412 PMAQI
4th Jul 2026241 PMAQI
4th Jul 2026242 PMAQI
4th Jul 2026263 PMAQI
4th Jul 2026264 PMAQI
4th Jul 2026255 PMAQI
4th Jul 2026236 PMAQI
4th Jul 2026247 PMAQI
4th Jul 2026238 PMAQI
4th Jul 2026269 PMAQI
4th Jul 20262410 PMAQI
4th Jul 20262411 PMAQI
5th Jul 20262512 AMAQI
5th Jul 2026241 AMAQI
5th Jul 2026222 AMAQI
5th Jul 2026233 AMAQI
5th Jul 2026234 AMAQI

21°C19/22°C

5th Jul 2026255 AMAQI
5th Jul 2026246 AMAQI
5th Jul 2026247 AMAQI
5th Jul 2026248 AMAQI
5th Jul 2026209 AMAQI
5th Jul 20262210 AMAQI
5th Jul 20262111 AMAQI
5th Jul 20262012 PMAQI
5th Jul 2026201 PMAQI
5th Jul 2026222 PMAQI
5th Jul 2026243 PMAQI
5th Jul 2026204 PMAQI
5th Jul 2026225 PMAQI
5th Jul 2026186 PMAQI
5th Jul 2026147 PMAQI
5th Jul 2026208 PMAQI
5th Jul 2026249 PMAQI
5th Jul 20262210 PMAQI
5th Jul 20262011 PMAQI
6th Jul 20262012 AMAQI
6th Jul 2026241 AMAQI
6th Jul 2026242 AMAQI
6th Jul 2026223 AMAQI
6th Jul 2026224 AMAQI

21°C20/25°C

6th Jul 2026175 AMAQI
6th Jul 2026236 AMAQI
6th Jul 2026227 AMAQI
6th Jul 2026248 AMAQI
6th Jul 2026189 AMAQI
6th Jul 20262510 AMAQI
6th Jul 20263611 AMAQI
6th Jul 20261812 PMAQI
6th Jul 2026181 PMAQI
6th Jul 2026222 PMAQI
6th Jul 2026223 PMAQI
6th Jul 2026224 PMAQI
6th Jul 2026205 PMAQI
6th Jul 2026226 PMAQI
6th Jul 2026227 PMAQI
6th Jul 2026268 PMAQI
6th Jul 2026269 PMAQI
6th Jul 20262410 PMAQI
6th Jul 20262611 PMAQI
7th Jul 20262712 AMAQI
7th Jul 2026281 AMAQI
7th Jul 2026282 AMAQI
7th Jul 2026283 AMAQI
7th Jul 2026284 AMAQI

21°C19/25°C

7th Jul 2026285 AMAQI
7th Jul 2026296 AMAQI
7th Jul 2026267 AMAQI
7th Jul 2026288 AMAQI
7th Jul 2026189 AMAQI
7th Jul 20262410 AMAQI
7th Jul 20262611 AMAQI
7th Jul 20262412 PMAQI
7th Jul 2026241 PMAQI
7th Jul 2026252 PMAQI
7th Jul 2026283 PMAQI
7th Jul 2026264 PMAQI
7th Jul 2026295 PMAQI
7th Jul 2026306 PMAQI
7th Jul 2026307 PMAQI
7th Jul 2026288 PMAQI
7th Jul 2026299 PMAQI
7th Jul 20266510 PMAQI
7th Jul 20266711 PMAQI
8th Jul 20266612 AMAQI
8th Jul 2026671 AMAQI
8th Jul 2026662 AMAQI
8th Jul 2026583 AMAQI
8th Jul 2026544 AMAQI

23°C19/26°C

8th Jul 2026445 AMAQI
8th Jul 2026416 AMAQI
8th Jul 2026527 AMAQI
8th Jul 2026528 AMAQI
8th Jul 2026549 AMAQI
8th Jul 20265610 AMAQI
8th Jul 20263711 AMAQI
8th Jul 20264512 PMAQI
8th Jul 2026451 PMAQI
8th Jul 2026472 PMAQI
8th Jul 2026523 PMAQI
8th Jul 2026544 PMAQI
8th Jul 2026635 PMAQI
8th Jul 2026606 PMAQI
8th Jul 2026567 PMAQI
8th Jul 2026558 PMAQI
8th Jul 2026589 PMAQI
8th Jul 20265610 PMAQI
8th Jul 20265911 PMAQI
9th Jul 20265912 AMAQI
9th Jul 2026611 AMAQI
9th Jul 2026562 AMAQI
9th Jul 2026523 AMAQI
9th Jul 2026444 AMAQI

23°C21/25°C

9th Jul 2026345 AMAQI
9th Jul 2026286 AMAQI
9th Jul 2026267 AMAQI
9th Jul 2026208 AMAQI
9th Jul 2026219 AMAQI
9th Jul 20263410 AMAQI
9th Jul 20262811 AMAQI
9th Jul 20261912 PMAQI
9th Jul 2026221 PMAQI
9th Jul 2026262 PMAQI
9th Jul 2026313 PMAQI
9th Jul 2026384 PMAQI
9th Jul 2026365 PMAQI
9th Jul 2026366 PMAQI
9th Jul 2026387 PMAQI
9th Jul 2026418 PMAQI
9th Jul 2026509 PMAQI
9th Jul 20264010 PMAQI
9th Jul 20263611 PMAQI
10th Jul 20263612 AMAQI
10th Jul 2026341 AMAQI
10th Jul 2026292 AMAQI
10th Jul 2026283 AMAQI
10th Jul 2026304 AMAQI

23°C19/27°C

10th Jul 2026295 AMAQI
10th Jul 2026266 AMAQI
10th Jul 2026277 AMAQI
10th Jul 2026298 AMAQI
10th Jul 2026269 AMAQI
10th Jul 20262910 AMAQI
10th Jul 20263411 AMAQI
10th Jul 20264412 PMAQI
10th Jul 2026311 PMAQI
10th Jul 2026292 PMAQI
10th Jul 2026363 PMAQI
10th Jul 2026414 PMAQI
10th Jul 2026305 PMAQI
10th Jul 2026296 PMAQI
10th Jul 2026297 PMAQI
10th Jul 2026288 PMAQI
10th Jul 2026309 PMAQI
10th Jul 20263110 PMAQI
10th Jul 20263211 PMAQI
11th Jul 20263412 AMAQI
11th Jul 2026321 AMAQI
11th Jul 2026312 AMAQI
11th Jul 2026323 AMAQI
11th Jul 2026284 AMAQI

23°C18/28°C

11th Jul 2026325 AMAQI
11th Jul 2026306 AMAQI
11th Jul 2026307 AMAQI
11th Jul 2026328 AMAQI
11th Jul 2026319 AMAQI
11th Jul 20263510 AMAQI
11th Jul 20263011 AMAQI
11th Jul 20262812 PMAQI
11th Jul 2026251 PMAQI
11th Jul 2026252 PMAQI
11th Jul 2026263 PMAQI
11th Jul 2026264 PMAQI
11th Jul 2026295 PMAQI
11th Jul 2026296 PMAQI
11th Jul 2026297 PMAQI
11th Jul 2026268 PMAQI
11th Jul 2026289 PMAQI
11th Jul 20263010 PMAQI
11th Jul 20263011 PMAQI
12th Jul 20262912 AMAQI
12th Jul 2026301 AMAQI
12th Jul 2026322 AMAQI
12th Jul 2026323 AMAQI
12th Jul 2026284 AMAQI

24°C20/29°C

12th Jul 2026305 AMAQI
12th Jul 2026306 AMAQI
12th Jul 2026307 AMAQI
12th Jul 2026288 AMAQI
12th Jul 2026299 AMAQI
12th Jul 20263010 AMAQI
12th Jul 20262711 AMAQI
12th Jul 20262512 PMAQI
12th Jul 2026241 PMAQI
12th Jul 2026232 PMAQI
12th Jul 2026223 PMAQI
12th Jul 2026264 PMAQI
12th Jul 2026295 PMAQI
12th Jul 2026306 PMAQI
12th Jul 2026307 PMAQI
12th Jul 2026298 PMAQI
12th Jul 2026289 PMAQI
12th Jul 20263010 PMAQI
12th Jul 20262911 PMAQI
13th Jul 20263012 AMAQI
13th Jul 2026331 AMAQI
13th Jul 2026302 AMAQI
13th Jul 2026313 AMAQI
13th Jul 2026264 AMAQI

25°C20/30°C

13th Jul 2026295 AMAQI
13th Jul 2026266 AMAQI
13th Jul 2026277 AMAQI
13th Jul 2026288 AMAQI
13th Jul 2026289 AMAQI
13th Jul 20263010 AMAQI
13th Jul 20262811 AMAQI
13th Jul 20262912 PMAQI
13th Jul 2026271 PMAQI
13th Jul 2026272 PMAQI
13th Jul 2026253 PMAQI
13th Jul 2026264 PMAQI
13th Jul 2026305 PMAQI
13th Jul 2026326 PMAQI
13th Jul 2026307 PMAQI
13th Jul 2026318 PMAQI
13th Jul 2026329 PMAQI
13th Jul 20263410 PMAQI
13th Jul 20263011 PMAQI
14th Jul 20263012 AMAQI
14th Jul 2026321 AMAQI
14th Jul 2026302 AMAQI
14th Jul 2026303 AMAQI
14th Jul 2026274 AMAQI

25°C21/31°C

14th Jul 2026315 AMAQI
14th Jul 2026296 AMAQI
14th Jul 2026317 AMAQI
14th Jul 2026268 AMAQI
14th Jul 2026339 AMAQI
14th Jul 20263410 AMAQI
14th Jul 20262611 AMAQI
14th Jul 20262812 PMAQI
14th Jul 2026211 PMAQI
14th Jul 2026222 PMAQI
14th Jul 2026203 PMAQI
14th Jul 2026234 PMAQI
14th Jul 2026305 PMAQI
14th Jul 2026296 PMAQI
14th Jul 2026287 PMAQI
14th Jul 2026268 PMAQI
14th Jul 2026289 PMAQI
14th Jul 20263110 PMAQI
14th Jul 20263211 PMAQI
15th Jul 20263212 AMAQI
15th Jul 2026321 AMAQI
15th Jul 2026302 AMAQI
15th Jul 2026303 AMAQI
15th Jul 2026264 AMAQI

26°C22/31°C

15th Jul 2026295 AMAQI
15th Jul 2026236 AMAQI
15th Jul 2026297 AMAQI
15th Jul 2026308 AMAQI
15th Jul 2026289 AMAQI
15th Jul 20262810 AMAQI
15th Jul 20262411 AMAQI
15th Jul 20262212 PMAQI
15th Jul 2026191 PMAQI
15th Jul 2026202 PMAQI
15th Jul 2026213 PMAQI
15th Jul 2026264 PMAQI
15th Jul 2026245 PMAQI
15th Jul 2026236 PMAQI
15th Jul 2026237 PMAQI
15th Jul 2026268 PMAQI
15th Jul 2026249 PMAQI
15th Jul 20262810 PMAQI
15th Jul 20262311 PMAQI
16th Jul 20262612 AMAQI
16th Jul 2026221 AMAQI
16th Jul 2026322 AMAQI
16th Jul 2026273 AMAQI
16th Jul 2026284 AMAQI

26°C21/31°C

16th Jul 2026285 AMAQI
16th Jul 2026286 AMAQI
16th Jul 2026267 AMAQI
16th Jul 2026268 AMAQI
16th Jul 2026289 AMAQI
16th Jul 20263210 AMAQI
16th Jul 20262911 AMAQI
16th Jul 20263412 PMAQI
16th Jul 2026351 PMAQI
16th Jul 2026342 PMAQI
16th Jul 2026303 PMAQI
16th Jul 2026244 PMAQI
16th Jul 2026225 PMAQI
16th Jul 2026246 PMAQI
16th Jul 2026287 PMAQI
16th Jul 2026338 PMAQI
16th Jul 2026319 PMAQI
16th Jul 20263210 PMAQI
16th Jul 20262811 PMAQI
17th Jul 20263012 AMAQI
17th Jul 2026311 AMAQI
17th Jul 2026302 AMAQI
17th Jul 2026303 AMAQI
17th Jul 2026304 AMAQI

26°C22/30°C

17th Jul 2026285 AMAQI
17th Jul 2026286 AMAQI
17th Jul 2026297 AMAQI
17th Jul 2026248 AMAQI
17th Jul 2026289 AMAQI
17th Jul 20263010 AMAQI
17th Jul 20262811 AMAQI
17th Jul 20263012 PMAQI
17th Jul 2026281 PMAQI
17th Jul 2026282 PMAQI
17th Jul 2026273 PMAQI
17th Jul 2026524 PMAQI
17th Jul 2026525 PMAQI
17th Jul 2026516 PMAQI
17th Jul 2026527 PMAQI
17th Jul 2026538 PMAQI
17th Jul 2026549 PMAQI
17th Jul 20265410 PMAQI
17th Jul 20265611 PMAQI
18th Jul 20265612 AMAQI
18th Jul 2026561 AMAQI
18th Jul 2026542 AMAQI
18th Jul 2026563 AMAQI
18th Jul 2026544 AMAQI

26°C21/31°C

18th Jul 2026555 AMAQI
5 AM
18th Jul 2026546 AMAQI
18th Jul 2026567 AMAQI
18th Jul 2026548 AMAQI
18th Jul 2026549 AMAQI
18th Jul 20265610 AMAQI
18th Jul 20265811 AMAQI
18th Jul 20265412 PMAQI
12 PM
18th Jul 2026561 PMAQI
18th Jul 2026562 PMAQI
18th Jul 2026563 PMAQI
18th Jul 2026544 PMAQI
18th Jul 2026585 PMAQI
18th Jul 2026606 PMAQI
18th Jul 2026607 PMAQI
7 PM
18th Jul 2026588 PMAQI
18th Jul 2026589 PMAQI
18th Jul 20265910 PMAQI
18th Jul 20265611 PMAQI
12 AM
4 AM

25°C22/29°C

Day time
Avg. Highest Time
4 PM

33AQI

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

28AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 PM to 4 PM (Avg. 33), while the lowest AQI was between 9 AM to 9 AM (Avg. 28).
Night time
Avg. Highest Time
12 AM - 2 AM

33AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
4 AM

30AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 2 AM (Avg. 33), while the lowest AQI was between 4 AM to 4 AM (Avg. 30).

2026 Days Vs Air Quality

Saijo, Ehime, Japan

2026

76%

151

24%

48

Total number of days with different AQI categories in last 199 days in 2026 (166 days remaining)

Good
151 Days
Moderate
48 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 76%

Health Risk Level:

Low

In 2026, 76% of 199 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

Saijo, Ehime, 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
32AQI (US)
2nd January 2026
27AQI (US)
3rd January 2026
32AQI (US)
4th January 2026
44AQI (US)
5th January 2026
56AQI (US)
6th January 2026
33AQI (US)
7th January 2026
36AQI (US)
8th January 2026
44AQI (US)
9th January 2026
26AQI (US)
10th January 2026
34AQI (US)
11th January 2026
33AQI (US)
12th January 2026
28AQI (US)
13th January 2026
34AQI (US)
14th January 2026
30AQI (US)
15th January 2026
58AQI (US)
16th January 2026
64AQI (US)
17th January 2026
66AQI (US)
18th January 2026
66AQI (US)
19th January 2026
73AQI (US)
20th January 2026
32AQI (US)
21st January 2026
20AQI (US)
22nd January 2026
28AQI (US)
23rd January 2026
35AQI (US)
24th January 2026
47AQI (US)
25th January 2026
40AQI (US)
26th January 2026
20AQI (US)
27th January 2026
44AQI (US)
28th January 2026
36AQI (US)
29th January 2026
38AQI (US)
30th January 2026
28AQI (US)
31st January 2026
22AQI (US)
1st February 2026
44AQI (US)
2nd February 2026
48AQI (US)
3rd February 2026
32AQI (US)
4th February 2026
34AQI (US)
5th February 2026
41AQI (US)
6th February 2026
45AQI (US)
7th February 2026
28AQI (US)
8th February 2026
23AQI (US)
9th February 2026
38AQI (US)
10th February 2026
45AQI (US)
11th February 2026
52AQI (US)
12th February 2026
43AQI (US)
13th February 2026
40AQI (US)
14th February 2026
62AQI (US)
15th February 2026
76AQI (US)
16th February 2026
54AQI (US)
17th February 2026
28AQI (US)
18th February 2026
24AQI (US)
19th February 2026
50AQI (US)
20th February 2026
48AQI (US)
21st February 2026
68AQI (US)
22nd February 2026
74AQI (US)
23rd February 2026
68AQI (US)
24th February 2026
54AQI (US)
25th February 2026
38AQI (US)
26th February 2026
25AQI (US)
27th February 2026
52AQI (US)
28th February 2026
20AQI (US)
1st March 2026
34AQI (US)
2nd March 2026
60AQI (US)
3rd March 2026
41AQI (US)
4th March 2026
28AQI (US)
5th March 2026
49AQI (US)
6th March 2026
49AQI (US)
7th March 2026
40AQI (US)
8th March 2026
28AQI (US)
9th March 2026
42AQI (US)
10th March 2026
56AQI (US)
11th March 2026
54AQI (US)
12th March 2026
58AQI (US)
13th March 2026
37AQI (US)
14th March 2026
42AQI (US)
15th March 2026
60AQI (US)
16th March 2026
50AQI (US)
17th March 2026
45AQI (US)
18th March 2026
60AQI (US)
19th March 2026
50AQI (US)
20th March 2026
60AQI (US)
21st March 2026
46AQI (US)
22nd March 2026
58AQI (US)
23rd March 2026
58AQI (US)
24th March 2026
55AQI (US)
25th March 2026
56AQI (US)
26th March 2026
16AQI (US)
27th March 2026
38AQI (US)
28th March 2026
69AQI (US)
29th March 2026
82AQI (US)
30th March 2026
88AQI (US)
31st March 2026
28AQI (US)
1st April 2026
16AQI (US)
2nd April 2026
48AQI (US)
3rd April 2026
54AQI (US)
4th April 2026
42AQI (US)
5th April 2026
24AQI (US)
6th April 2026
54AQI (US)
7th April 2026
40AQI (US)
8th April 2026
39AQI (US)
9th April 2026
48AQI (US)
10th April 2026
36AQI (US)
11th April 2026
35AQI (US)
12th April 2026
36AQI (US)
13th April 2026
46AQI (US)
14th April 2026
70AQI (US)
15th April 2026
60AQI (US)
16th April 2026
26AQI (US)
17th April 2026
42AQI (US)
18th April 2026
50AQI (US)
19th April 2026
50AQI (US)
20th April 2026
45AQI (US)
21st April 2026
38AQI (US)
22nd April 2026
43AQI (US)
23rd April 2026
32AQI (US)
24th April 2026
20AQI (US)
25th April 2026
46AQI (US)
26th April 2026
44AQI (US)
27th April 2026
42AQI (US)
28th April 2026
52AQI (US)
29th April 2026
45AQI (US)
30th April 2026
29AQI (US)
1st May 2026
40AQI (US)
2nd May 2026
52AQI (US)
3rd May 2026
43AQI (US)
4th May 2026
28AQI (US)
5th May 2026
26AQI (US)
6th May 2026
29AQI (US)
7th May 2026
38AQI (US)
8th May 2026
30AQI (US)
9th May 2026
28AQI (US)
10th May 2026
33AQI (US)
11th May 2026
34AQI (US)
12th May 2026
32AQI (US)
13th May 2026
38AQI (US)
14th May 2026
30AQI (US)
15th May 2026
34AQI (US)
16th May 2026
78AQI (US)
17th May 2026
64AQI (US)
18th May 2026
53AQI (US)
19th May 2026
46AQI (US)
20th May 2026
60AQI (US)
21st May 2026
65AQI (US)
22nd May 2026
69AQI (US)
23rd May 2026
60AQI (US)
24th May 2026
62AQI (US)
25th May 2026
54AQI (US)
26th May 2026
42AQI (US)
27th May 2026
26AQI (US)
28th May 2026
26AQI (US)
29th May 2026
26AQI (US)
30th May 2026
25AQI (US)
31st May 2026
28AQI (US)
1st June 2026
33AQI (US)
2nd June 2026
24AQI (US)
3rd June 2026
18AQI (US)
4th June 2026
26AQI (US)
5th June 2026
23AQI (US)
6th June 2026
26AQI (US)
7th June 2026
24AQI (US)
8th June 2026
20AQI (US)
9th June 2026
23AQI (US)
10th June 2026
23AQI (US)
11th June 2026
26AQI (US)
12th June 2026
26AQI (US)
13th June 2026
27AQI (US)
14th June 2026
28AQI (US)
15th June 2026
26AQI (US)
16th June 2026
28AQI (US)
17th June 2026
24AQI (US)
18th June 2026
27AQI (US)
19th June 2026
38AQI (US)
20th June 2026
56AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
14AQI (US)
23rd June 2026
22AQI (US)
24th June 2026
21AQI (US)
25th June 2026
26AQI (US)
26th June 2026
26AQI (US)
27th June 2026
26AQI (US)
28th June 2026
34AQI (US)
29th June 2026
28AQI (US)
30th June 2026
46AQI (US)
1st July 2026
60AQI (US)
2nd July 2026
14AQI (US)
3rd July 2026
26AQI (US)
4th July 2026
25AQI (US)
5th July 2026
22AQI (US)
6th July 2026
22AQI (US)
7th July 2026
30AQI (US)
8th July 2026
54AQI (US)
9th July 2026
36AQI (US)
10th July 2026
32AQI (US)
11th July 2026
30AQI (US)
12th July 2026
28AQI (US)
13th July 2026
29AQI (US)
14th July 2026
28AQI (US)
15th July 2026
26AQI (US)
16th July 2026
28AQI (US)
17th July 2026
37AQI (US)
18th July 2026
56AQI (US)
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

39AQI (US)

45AQI (US)

50AQI (US)

42AQI (US)

42AQI (US)

27AQI (US)

32AQI (US)

No. of days

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

202640AQI (US)

25
6
19
9
17
14
25
5
21
10
29
1
15
3
151
48

Highest AQI (US) recorded in

March

50AQI (US)

Lowest AQI (US) recorded in

June

27AQI (US)

202550AQI (US)

25
6
23
5
14
15
2
16
14
19
12
11
19
16
14
1
30
1
30
6
25
4
26
14
17
208
154
3

Highest AQI (US) recorded in

October

59AQI (US)

Lowest AQI (US) recorded in

September

32AQI (US)

202447AQI (US)

26
5
21
7
1
17
14
7
21
2
10
21
13
17
26
5
22
9
21
9
26
5
21
9
31
241
122
3

Highest AQI (US) recorded in

April

66AQI (US)

Lowest AQI (US) recorded in

December

34AQI (US)

202347AQI (US)

23
8
21
7
10
21
10
20
17
14
12
18
21
10
31
25
5
24
7
21
8
22
9
237
127

Highest AQI (US) recorded in

April

59AQI (US)

Lowest AQI (US) recorded in

August

34AQI (US)

202246AQI (US)

24
6
18
3
13
18
16
14
8
23
13
17
14
8
1
23
6
23
8
20
10
29
2
202
115

Highest AQI (US) recorded in

May

58AQI (US)

Lowest AQI (US) recorded in

December

37AQI (US)

202144AQI (US)

22
8
19
9
17
12
16
5
19
12
11
19
22
9
25
6
23
7
22
9
22
8
29
2
247
106

Highest AQI (US) recorded in

June

56AQI (US)

Lowest AQI (US) recorded in

December

38AQI (US)

202046AQI (US)

6
6
1
15
6
8
10
15
15
23
8
13
15
3
17
2
24
7
23
7
26
5
170
81
4

Highest AQI (US) recorded in

August

63AQI (US)

Lowest AQI (US) recorded in

September

36AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
50AQI (US)
Least Polluted Year Recorded
2026(Avg.)
40AQI (US)

Saijo's annual 2026 AQI (US) (40) shows an average percentage change of -14.1% (improved AQI (US)) compared to previous years: 2020 (46), 2021 (44), 2022 (46), 2023 (47), 2024 (47), 2025 (50).