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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Leon, Guanajuato, Mexico 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+

September Air Quality Analysis

Leon, Guanajuato, Mexico

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
21st Sep 2024
69AQI
Lowest AQI recorded on
4th Sep 2022
10AQI

Same Day Analysis (29th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 24 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.

Day & Night AQI Trend: 28th Sep - 29th Sep 2026

Leon, Guanajuato, Mexico

AQI
Day
Night
.

6 AM28th Sep 2026

6 PM

5 AM29th Sep 2026

Day time
Avg. Highest Time
1PM28th Sep

40AQI

Avg. Lowest Time
3PM28th Sep

17AQI

Night time
Avg. Highest Time
11PM28th Sep

21AQI

Avg. Lowest Time
9PM28th Sep

14AQI

In the last 24 hours,

Leon's AQI reached its highest point of 40 at 1 PM during the Day, while the lowest point, 14, was recorded at 9 PM during the Night between 28th Sep and 29th Sep 2026.

Day & Night AQI Trend : Aug - Sep 2026

Leon, Guanajuato, Mexico

AugSep
31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 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
Day
Night
31st Aug 2026316 AMAQI
31st Aug 2026407 AMAQI
31st Aug 2026428 AMAQI
31st Aug 2026429 AMAQI
31st Aug 20262910 AMAQI
31st Aug 20262311 AMAQI
31st Aug 20262312 PMAQI
31st Aug 2026251 PMAQI
31st Aug 2026272 PMAQI
31st Aug 2026323 PMAQI
31st Aug 2026384 PMAQI
31st Aug 2026385 PMAQI
31st Aug 2026336 PMAQI
31st Aug 2026327 PMAQI
31st Aug 2026258 PMAQI
31st Aug 2026349 PMAQI
31st Aug 20264710 PMAQI
31st Aug 20264611 PMAQI
1st Sep 20264012 AMAQI
1st Sep 2026421 AMAQI
1st Sep 2026382 AMAQI
1st Sep 2026333 AMAQI
1st Sep 2026384 AMAQI
1st Sep 2026365 AMAQI

19°C14/27°C

1st Sep 2026276 AMAQI
1st Sep 2026277 AMAQI
1st Sep 2026318 AMAQI
1st Sep 2026299 AMAQI
1st Sep 20262710 AMAQI
1st Sep 20262511 AMAQI
1st Sep 20262912 PMAQI
1st Sep 2026291 PMAQI
1st Sep 2026272 PMAQI
1st Sep 2026253 PMAQI
1st Sep 2026254 PMAQI
1st Sep 2026235 PMAQI
1st Sep 2026256 PMAQI
1st Sep 2026257 PMAQI
1st Sep 2026368 PMAQI
1st Sep 2026469 PMAQI
1st Sep 20264410 PMAQI
1st Sep 20263411 PMAQI
2nd Sep 20262512 AMAQI
2nd Sep 2026231 AMAQI
2nd Sep 2026252 AMAQI
2nd Sep 2026233 AMAQI
2nd Sep 2026254 AMAQI
2nd Sep 2026235 AMAQI

18°C15/27°C

2nd Sep 2026236 AMAQI
2nd Sep 2026277 AMAQI
2nd Sep 2026278 AMAQI
2nd Sep 2026259 AMAQI
2nd Sep 20262510 AMAQI
2nd Sep 20262511 AMAQI
2nd Sep 20262312 PMAQI
2nd Sep 2026211 PMAQI
2nd Sep 2026272 PMAQI
2nd Sep 2026253 PMAQI
2nd Sep 2026274 PMAQI
2nd Sep 2026275 PMAQI
2nd Sep 2026276 PMAQI
2nd Sep 2026257 PMAQI
2nd Sep 2026238 PMAQI
2nd Sep 2026279 PMAQI
2nd Sep 20262510 PMAQI
2nd Sep 20262311 PMAQI
3rd Sep 20262112 AMAQI
3rd Sep 2026231 AMAQI
3rd Sep 2026232 AMAQI
3rd Sep 2026253 AMAQI
3rd Sep 2026254 AMAQI
3rd Sep 2026255 AMAQI

18°C16/25°C

3rd Sep 2026346 AMAQI
3rd Sep 2026327 AMAQI
3rd Sep 2026258 AMAQI
3rd Sep 2026259 AMAQI
3rd Sep 20262510 AMAQI
3rd Sep 20262111 AMAQI
3rd Sep 20262512 PMAQI
3rd Sep 2026291 PMAQI
3rd Sep 2026272 PMAQI
3rd Sep 2026253 PMAQI
3rd Sep 2026254 PMAQI
3rd Sep 2026255 PMAQI
3rd Sep 2026256 PMAQI
3rd Sep 2026237 PMAQI
3rd Sep 2026258 PMAQI
3rd Sep 2026299 PMAQI
3rd Sep 20263110 PMAQI
3rd Sep 20263111 PMAQI
4th Sep 20262712 AMAQI
4th Sep 2026291 AMAQI
4th Sep 2026322 AMAQI
4th Sep 2026363 AMAQI
4th Sep 2026274 AMAQI
4th Sep 2026255 AMAQI

19°C14/26°C

4th Sep 2026236 AMAQI
4th Sep 2026237 AMAQI
4th Sep 2026258 AMAQI
4th Sep 2026279 AMAQI
4th Sep 20262510 AMAQI
4th Sep 20262911 AMAQI
4th Sep 20262912 PMAQI
4th Sep 2026311 PMAQI
4th Sep 2026292 PMAQI
4th Sep 2026253 PMAQI
4th Sep 2026274 PMAQI
4th Sep 2026275 PMAQI
4th Sep 2026256 PMAQI
4th Sep 2026317 PMAQI
4th Sep 2026298 PMAQI
4th Sep 2026329 PMAQI
4th Sep 20264410 PMAQI
4th Sep 20264811 PMAQI
5th Sep 20264612 AMAQI
5th Sep 2026361 AMAQI
5th Sep 2026362 AMAQI
5th Sep 2026363 AMAQI
5th Sep 2026444 AMAQI
5th Sep 2026425 AMAQI

20°C14/28°C

5th Sep 2026406 AMAQI
5th Sep 2026387 AMAQI
5th Sep 2026528 AMAQI
5th Sep 2026589 AMAQI
5th Sep 20265310 AMAQI
5th Sep 20264411 AMAQI
5th Sep 20264012 PMAQI
5th Sep 2026311 PMAQI
5th Sep 2026312 PMAQI
5th Sep 2026273 PMAQI
5th Sep 2026254 PMAQI
5th Sep 2026275 PMAQI
5th Sep 2026276 PMAQI
5th Sep 2026317 PMAQI
5th Sep 2026298 PMAQI
5th Sep 2026459 PMAQI
5th Sep 20265410 PMAQI
5th Sep 20265211 PMAQI
6th Sep 20265012 AMAQI
6th Sep 2026461 AMAQI
6th Sep 2026462 AMAQI
6th Sep 2026403 AMAQI
6th Sep 2026384 AMAQI
6th Sep 2026335 AMAQI

20°C14/28°C

6th Sep 2026386 AMAQI
6th Sep 2026427 AMAQI
6th Sep 2026428 AMAQI
6th Sep 2026449 AMAQI
6th Sep 20264210 AMAQI
6th Sep 20264011 AMAQI
6th Sep 20263812 PMAQI
6th Sep 2026361 PMAQI
6th Sep 2026332 PMAQI
6th Sep 2026333 PMAQI
6th Sep 2026364 PMAQI
6th Sep 2026335 PMAQI
6th Sep 2026336 PMAQI
6th Sep 2026257 PMAQI
6th Sep 2026258 PMAQI
6th Sep 2026349 PMAQI
6th Sep 20264410 PMAQI
6th Sep 20265011 PMAQI
7th Sep 20264212 AMAQI
7th Sep 2026421 AMAQI
7th Sep 2026332 AMAQI
7th Sep 2026293 AMAQI
7th Sep 2026194 AMAQI
7th Sep 2026235 AMAQI

20°C14/28°C

7th Sep 2026236 AMAQI
7th Sep 2026237 AMAQI
7th Sep 2026258 AMAQI
7th Sep 2026259 AMAQI
7th Sep 20262510 AMAQI
7th Sep 20262711 AMAQI
7th Sep 20262712 PMAQI
7th Sep 2026271 PMAQI
7th Sep 2026252 PMAQI
7th Sep 2026253 PMAQI
7th Sep 2026254 PMAQI
7th Sep 2026215 PMAQI
7th Sep 2026196 PMAQI
7th Sep 2026257 PMAQI
7th Sep 2026388 PMAQI
7th Sep 2026479 PMAQI
7th Sep 20264410 PMAQI
7th Sep 20264411 PMAQI
8th Sep 20264012 AMAQI
8th Sep 2026311 AMAQI
8th Sep 2026292 AMAQI
8th Sep 2026313 AMAQI
8th Sep 2026314 AMAQI
8th Sep 2026275 AMAQI

19°C15/26°C

8th Sep 2026256 AMAQI
8th Sep 2026237 AMAQI
8th Sep 2026238 AMAQI
8th Sep 2026259 AMAQI
8th Sep 20262710 AMAQI
8th Sep 20263411 AMAQI
8th Sep 20262912 PMAQI
8th Sep 2026251 PMAQI
8th Sep 2026252 PMAQI
8th Sep 2026233 PMAQI
8th Sep 2026234 PMAQI
8th Sep 2026215 PMAQI
8th Sep 2026216 PMAQI
8th Sep 2026237 PMAQI
8th Sep 2026318 PMAQI
8th Sep 2026339 PMAQI
8th Sep 20263310 PMAQI
8th Sep 20263111 PMAQI
9th Sep 20262712 AMAQI
9th Sep 2026271 AMAQI
9th Sep 2026272 AMAQI
9th Sep 2026313 AMAQI
9th Sep 2026274 AMAQI
9th Sep 2026275 AMAQI

18°C14/26°C

9th Sep 2026276 AMAQI
9th Sep 2026317 AMAQI
9th Sep 2026298 AMAQI
9th Sep 2026299 AMAQI
9th Sep 20262710 AMAQI
9th Sep 20263611 AMAQI
9th Sep 20263212 PMAQI
9th Sep 2026231 PMAQI
9th Sep 2026232 PMAQI
9th Sep 2026253 PMAQI
9th Sep 2026254 PMAQI
9th Sep 2026215 PMAQI
9th Sep 2026216 PMAQI
9th Sep 2026197 PMAQI
9th Sep 2026238 PMAQI
9th Sep 2026279 PMAQI
9th Sep 20262710 PMAQI
9th Sep 20263211 PMAQI
10th Sep 20264012 AMAQI
10th Sep 2026361 AMAQI
10th Sep 2026272 AMAQI
10th Sep 2026253 AMAQI
10th Sep 2026274 AMAQI
10th Sep 2026255 AMAQI

19°C15/26°C

10th Sep 2026256 AMAQI
10th Sep 2026297 AMAQI
10th Sep 2026258 AMAQI
10th Sep 2026259 AMAQI
10th Sep 20262510 AMAQI
10th Sep 20262911 AMAQI
10th Sep 20262512 PMAQI
10th Sep 2026271 PMAQI
10th Sep 2026252 PMAQI
10th Sep 2026233 PMAQI
10th Sep 2026214 PMAQI
10th Sep 2026215 PMAQI
10th Sep 2026256 PMAQI
10th Sep 2026197 PMAQI
10th Sep 2026238 PMAQI
10th Sep 2026249 PMAQI
10th Sep 20261710 PMAQI
10th Sep 20262311 PMAQI
11th Sep 20262512 AMAQI
11th Sep 2026211 AMAQI
11th Sep 2026192 AMAQI
11th Sep 2026213 AMAQI
11th Sep 2026254 AMAQI
11th Sep 2026215 AMAQI

17°C14/25°C

11th Sep 2026216 AMAQI
11th Sep 2026177 AMAQI
11th Sep 2026218 AMAQI
11th Sep 2026259 AMAQI
11th Sep 20262410 AMAQI
11th Sep 20261711 AMAQI
11th Sep 20262112 PMAQI
11th Sep 2026211 PMAQI
11th Sep 2026212 PMAQI
11th Sep 2026253 PMAQI
11th Sep 2026254 PMAQI
11th Sep 2026255 PMAQI
11th Sep 2026306 PMAQI
11th Sep 2026277 PMAQI
11th Sep 2026258 PMAQI
11th Sep 2026239 PMAQI
11th Sep 20262110 PMAQI
11th Sep 20262111 PMAQI
12th Sep 20262112 AMAQI
12th Sep 2026211 AMAQI
12th Sep 2026232 AMAQI
12th Sep 2026213 AMAQI
12th Sep 2026214 AMAQI
12th Sep 2026215 AMAQI

19°C14/28°C

12th Sep 2026276 AMAQI
12th Sep 2026277 AMAQI
12th Sep 2026218 AMAQI
12th Sep 2026199 AMAQI
12th Sep 20261910 AMAQI
12th Sep 20261911 AMAQI
12th Sep 20262112 PMAQI
12th Sep 2026231 PMAQI
12th Sep 2026233 PMAQI
12th Sep 2026214 PMAQI
12th Sep 2026215 PMAQI
12th Sep 2026236 PMAQI
12th Sep 2026217 PMAQI
12th Sep 2026198 PMAQI
12th Sep 2026279 PMAQI
12th Sep 20262710 PMAQI
12th Sep 20261811 PMAQI
13th Sep 20262512 AMAQI
13th Sep 2026341 AMAQI
13th Sep 2026142 AMAQI
13th Sep 2026273 AMAQI
13th Sep 2026214 AMAQI
13th Sep 2026275 AMAQI

19°C15/27°C

13th Sep 2026216 AMAQI
13th Sep 2026147 AMAQI
13th Sep 2026198 AMAQI
13th Sep 2026389 AMAQI
13th Sep 20261410 AMAQI
13th Sep 20261211 AMAQI
13th Sep 20261612 PMAQI
13th Sep 2026191 PMAQI
13th Sep 2026192 PMAQI
13th Sep 2026193 PMAQI
13th Sep 2026144 PMAQI
13th Sep 2026215 PMAQI
13th Sep 2026176 PMAQI
13th Sep 2026177 PMAQI
13th Sep 2026198 PMAQI
13th Sep 2026269 PMAQI
13th Sep 20261910 PMAQI
13th Sep 20262811 PMAQI
14th Sep 20262112 AMAQI
14th Sep 2026211 AMAQI
14th Sep 2026172 AMAQI
14th Sep 2026173 AMAQI
14th Sep 2026194 AMAQI
14th Sep 2026215 AMAQI

20°C14/27°C

14th Sep 2026236 AMAQI
14th Sep 2026237 AMAQI
14th Sep 2026218 AMAQI
14th Sep 2026259 AMAQI
14th Sep 20262110 AMAQI
14th Sep 20262111 AMAQI
14th Sep 20261912 PMAQI
14th Sep 2026191 PMAQI
14th Sep 2026232 PMAQI
14th Sep 2026253 PMAQI
14th Sep 2026254 PMAQI
14th Sep 2026255 PMAQI
14th Sep 2026236 PMAQI
14th Sep 2026277 PMAQI
14th Sep 2026268 PMAQI
14th Sep 2026309 PMAQI
14th Sep 20263110 PMAQI
14th Sep 20263611 PMAQI
15th Sep 20263812 AMAQI
15th Sep 2026381 AMAQI
15th Sep 2026382 AMAQI
15th Sep 2026423 AMAQI
15th Sep 2026424 AMAQI
15th Sep 2026465 AMAQI

19°C14/26°C

15th Sep 2026466 AMAQI
15th Sep 2026427 AMAQI
15th Sep 2026468 AMAQI
15th Sep 2026509 AMAQI
15th Sep 20265210 AMAQI
15th Sep 20265311 AMAQI
15th Sep 20265412 PMAQI
15th Sep 2026531 PMAQI
15th Sep 2026512 PMAQI
15th Sep 2026513 PMAQI
15th Sep 2026524 PMAQI
15th Sep 2026515 PMAQI
15th Sep 2026526 PMAQI
15th Sep 2026547 PMAQI
15th Sep 2026528 PMAQI
15th Sep 2026569 PMAQI
15th Sep 20265310 PMAQI
15th Sep 20265311 PMAQI
16th Sep 20265312 AMAQI
16th Sep 2026531 AMAQI
16th Sep 2026532 AMAQI
16th Sep 2026533 AMAQI
16th Sep 2026534 AMAQI
16th Sep 2026465 AMAQI

19°C14/25°C

16th Sep 2026526 AMAQI
16th Sep 2026497 AMAQI
16th Sep 2026508 AMAQI
16th Sep 2026499 AMAQI
16th Sep 20265110 AMAQI
16th Sep 20265211 AMAQI
16th Sep 20264812 PMAQI
16th Sep 2026511 PMAQI
16th Sep 2026462 PMAQI
16th Sep 2026423 PMAQI
16th Sep 2026424 PMAQI
16th Sep 2026425 PMAQI
16th Sep 2026386 PMAQI
16th Sep 2026297 PMAQI
16th Sep 2026258 PMAQI
16th Sep 2026239 PMAQI
16th Sep 20262310 PMAQI
16th Sep 20262311 PMAQI
17th Sep 20262312 AMAQI
17th Sep 2026231 AMAQI
17th Sep 2026232 AMAQI
17th Sep 2026213 AMAQI
17th Sep 2026144 AMAQI
17th Sep 2026235 AMAQI

19°C14/26°C

17th Sep 2026216 AMAQI
17th Sep 2026257 AMAQI
17th Sep 2026278 AMAQI
17th Sep 2026219 AMAQI
17th Sep 20261710 AMAQI
17th Sep 20261911 AMAQI
17th Sep 20262112 PMAQI
17th Sep 2026251 PMAQI
17th Sep 2026212 PMAQI
17th Sep 2026193 PMAQI
17th Sep 2026174 PMAQI
17th Sep 2026175 PMAQI
17th Sep 2026196 PMAQI
17th Sep 2026197 PMAQI
17th Sep 2026178 PMAQI
17th Sep 2026239 PMAQI
17th Sep 20262110 PMAQI
17th Sep 20261711 PMAQI
18th Sep 20262112 AMAQI
18th Sep 2026211 AMAQI
18th Sep 2026232 AMAQI
18th Sep 2026253 AMAQI
18th Sep 2026194 AMAQI
18th Sep 2026215 AMAQI

19°C13/26°C

18th Sep 2026216 AMAQI
18th Sep 2026217 AMAQI
18th Sep 2026238 AMAQI
18th Sep 2026219 AMAQI
18th Sep 20263010 AMAQI
18th Sep 20261711 AMAQI
18th Sep 20262112 PMAQI
18th Sep 2026171 PMAQI
18th Sep 2026252 PMAQI
18th Sep 2026233 PMAQI
18th Sep 2026194 PMAQI
18th Sep 2026255 PMAQI
18th Sep 2026236 PMAQI
18th Sep 2026217 PMAQI
18th Sep 2026218 PMAQI
18th Sep 2026219 PMAQI
18th Sep 20262110 PMAQI
18th Sep 20263811 PMAQI
19th Sep 20263112 AMAQI
19th Sep 2026361 AMAQI
19th Sep 2026362 AMAQI
19th Sep 2026273 AMAQI
19th Sep 2026274 AMAQI
19th Sep 2026195 AMAQI

19°C14/25°C

19th Sep 2026276 AMAQI
19th Sep 2026167 AMAQI
19th Sep 2026218 AMAQI
19th Sep 2026199 AMAQI
19th Sep 20261910 AMAQI
19th Sep 20261911 AMAQI
19th Sep 20261712 PMAQI
19th Sep 2026171 PMAQI
19th Sep 2026192 PMAQI
19th Sep 2026273 PMAQI
19th Sep 2026344 PMAQI
19th Sep 2026365 PMAQI
19th Sep 2026196 PMAQI
19th Sep 2026217 PMAQI
19th Sep 2026238 PMAQI
19th Sep 2026239 PMAQI
19th Sep 20261910 PMAQI
19th Sep 20261911 PMAQI
20th Sep 20261412 AMAQI
20th Sep 2026181 AMAQI
20th Sep 2026212 AMAQI
20th Sep 2026253 AMAQI
20th Sep 2026254 AMAQI
20th Sep 2026295 AMAQI

19°C13/26°C

20th Sep 2026216 AMAQI
20th Sep 2026237 AMAQI
20th Sep 2026258 AMAQI
20th Sep 2026219 AMAQI
20th Sep 20262310 AMAQI
20th Sep 20261711 AMAQI
20th Sep 20261912 PMAQI
20th Sep 2026211 PMAQI
20th Sep 2026162 PMAQI
20th Sep 2026173 PMAQI
20th Sep 2026254 PMAQI
20th Sep 2026215 PMAQI
20th Sep 2026166 PMAQI
20th Sep 2026217 PMAQI
20th Sep 2026148 PMAQI
20th Sep 2026179 PMAQI
20th Sep 20261210 PMAQI
20th Sep 20262311 PMAQI
21st Sep 20261612 AMAQI
21st Sep 2026301 AMAQI
21st Sep 2026242 AMAQI
21st Sep 2026293 AMAQI
21st Sep 2026164 AMAQI
21st Sep 2026325 AMAQI

20°C14/28°C

21st Sep 2026126 AMAQI
21st Sep 2026167 AMAQI
21st Sep 2026278 AMAQI
21st Sep 2026189 AMAQI
21st Sep 20262110 AMAQI
21st Sep 20262011 AMAQI
21st Sep 20262112 PMAQI
21st Sep 2026211 PMAQI
21st Sep 2026212 PMAQI
21st Sep 2026163 PMAQI
21st Sep 2026124 PMAQI
21st Sep 2026165 PMAQI
21st Sep 2026196 PMAQI
21st Sep 2026257 PMAQI
21st Sep 2026348 PMAQI
21st Sep 2026129 PMAQI
21st Sep 20261910 PMAQI
21st Sep 20262111 PMAQI
22nd Sep 2026812 AMAQI
22nd Sep 2026101 AMAQI
22nd Sep 2026112 AMAQI
22nd Sep 2026193 AMAQI
22nd Sep 2026214 AMAQI
22nd Sep 2026305 AMAQI

20°C14/29°C

22nd Sep 2026216 AMAQI
22nd Sep 2026217 AMAQI
22nd Sep 2026218 AMAQI
22nd Sep 2026219 AMAQI
22nd Sep 20262110 AMAQI
22nd Sep 20261911 AMAQI
22nd Sep 20261712 PMAQI
22nd Sep 2026191 PMAQI
22nd Sep 2026192 PMAQI
22nd Sep 2026193 PMAQI
22nd Sep 2026184 PMAQI
22nd Sep 2026255 PMAQI
22nd Sep 2026256 PMAQI
22nd Sep 2026187 PMAQI
22nd Sep 2026258 PMAQI
22nd Sep 2026239 PMAQI
22nd Sep 20261710 PMAQI
22nd Sep 20262711 PMAQI
23rd Sep 20262712 AMAQI
23rd Sep 2026161 AMAQI
23rd Sep 2026162 AMAQI
23rd Sep 2026213 AMAQI
23rd Sep 2026194 AMAQI
23rd Sep 2026235 AMAQI

19°C13/28°C

23rd Sep 2026216 AMAQI
23rd Sep 2026167 AMAQI
23rd Sep 2026218 AMAQI
23rd Sep 2026179 AMAQI
23rd Sep 20262110 AMAQI
23rd Sep 20262111 AMAQI
23rd Sep 20262112 PMAQI
23rd Sep 2026191 PMAQI
23rd Sep 2026172 PMAQI
23rd Sep 2026193 PMAQI
23rd Sep 2026234 PMAQI
23rd Sep 2026215 PMAQI
23rd Sep 2026216 PMAQI
23rd Sep 2026197 PMAQI
23rd Sep 2026198 PMAQI
23rd Sep 2026219 PMAQI
23rd Sep 20262310 PMAQI
23rd Sep 20261911 PMAQI
24th Sep 20262512 AMAQI
24th Sep 2026161 AMAQI
24th Sep 2026162 AMAQI
24th Sep 2026193 AMAQI
24th Sep 2026214 AMAQI
24th Sep 2026215 AMAQI

19°C14/27°C

24th Sep 2026236 AMAQI
24th Sep 2026177 AMAQI
24th Sep 2026218 AMAQI
24th Sep 2026239 AMAQI
24th Sep 20261710 AMAQI
24th Sep 20262111 AMAQI
24th Sep 20262912 PMAQI
24th Sep 2026251 PMAQI
24th Sep 2026172 PMAQI
24th Sep 2026253 PMAQI
24th Sep 2026214 PMAQI
24th Sep 2026175 PMAQI
24th Sep 2026176 PMAQI
24th Sep 2026197 PMAQI
24th Sep 2026258 PMAQI
24th Sep 2026259 PMAQI
24th Sep 20262310 PMAQI
24th Sep 20262111 PMAQI
25th Sep 20262112 AMAQI
25th Sep 2026191 AMAQI
25th Sep 2026212 AMAQI
25th Sep 2026193 AMAQI
25th Sep 2026234 AMAQI
25th Sep 2026215 AMAQI

20°C13/28°C

25th Sep 2026176 AMAQI
25th Sep 2026197 AMAQI
25th Sep 2026218 AMAQI
25th Sep 2026219 AMAQI
25th Sep 20262310 AMAQI
25th Sep 20262511 AMAQI
25th Sep 20261912 PMAQI
25th Sep 2026171 PMAQI
25th Sep 2026142 PMAQI
25th Sep 2026253 PMAQI
25th Sep 2026214 PMAQI
25th Sep 2026175 PMAQI
25th Sep 2026126 PMAQI
25th Sep 2026217 PMAQI
25th Sep 2026238 PMAQI
25th Sep 2026199 PMAQI
25th Sep 20261910 PMAQI
25th Sep 20261711 PMAQI
26th Sep 20261912 AMAQI
26th Sep 2026211 AMAQI
26th Sep 2026212 AMAQI
26th Sep 2026193 AMAQI
26th Sep 2026214 AMAQI
26th Sep 2026215 AMAQI

20°C13/29°C

26th Sep 2026196 AMAQI
26th Sep 2026217 AMAQI
26th Sep 2026238 AMAQI
26th Sep 2026219 AMAQI
26th Sep 20261710 AMAQI
26th Sep 20261911 AMAQI
26th Sep 20262112 PMAQI
26th Sep 2026211 PMAQI
26th Sep 2026222 PMAQI
26th Sep 2026173 PMAQI
26th Sep 2026174 PMAQI
26th Sep 2026215 PMAQI
26th Sep 2026126 PMAQI
26th Sep 2026197 PMAQI
26th Sep 2026178 PMAQI
26th Sep 2026219 PMAQI
26th Sep 20262110 PMAQI
26th Sep 20261911 PMAQI
27th Sep 20261912 AMAQI
27th Sep 2026171 AMAQI
27th Sep 2026172 AMAQI
27th Sep 2026173 AMAQI
27th Sep 2026214 AMAQI
27th Sep 2026215 AMAQI

20°C13/29°C

27th Sep 2026176 AMAQI
27th Sep 2026197 AMAQI
27th Sep 2026218 AMAQI
27th Sep 2026259 AMAQI
27th Sep 20262110 AMAQI
27th Sep 20262511 AMAQI
27th Sep 20262512 PMAQI
27th Sep 2026231 PMAQI
27th Sep 2026172 PMAQI
27th Sep 2026213 PMAQI
27th Sep 2026214 PMAQI
27th Sep 2026215 PMAQI
27th Sep 2026166 PMAQI
27th Sep 2026217 PMAQI
27th Sep 2026198 PMAQI
27th Sep 2026289 PMAQI
27th Sep 20261710 PMAQI
27th Sep 20262511 PMAQI
28th Sep 20262312 AMAQI
28th Sep 2026171 AMAQI
28th Sep 2026192 AMAQI
28th Sep 2026213 AMAQI
28th Sep 2026254 AMAQI
28th Sep 2026235 AMAQI

20°C14/30°C

28th Sep 2026196 AMAQI
28th Sep 2026297 AMAQI
28th Sep 2026278 AMAQI
28th Sep 2026239 AMAQI
28th Sep 20261910 AMAQI
28th Sep 20262111 AMAQI
28th Sep 20262112 PMAQI
28th Sep 2026401 PMAQI
28th Sep 2026192 PMAQI
28th Sep 2026173 PMAQI
28th Sep 2026194 PMAQI
28th Sep 2026195 PMAQI
28th Sep 2026196 PMAQI
28th Sep 2026177 PMAQI
28th Sep 2026198 PMAQI
28th Sep 2026149 PMAQI
28th Sep 20261610 PMAQI
28th Sep 20262111 PMAQI
29th Sep 20261712 AMAQI
29th Sep 2026191 AMAQI
29th Sep 2026172 AMAQI
29th Sep 2026193 AMAQI
29th Sep 2026174 AMAQI
29th Sep 2026195 AMAQI

21°C14/30°C

29th Sep 2026216 AMAQI
6 AM
29th Sep 2026217 AMAQI
29th Sep 2026218 AMAQI
29th Sep 2026239 AMAQI
29th Sep 20262310 AMAQI
29th Sep 20262511 AMAQI
29th Sep 20262512 PMAQI
12 PM
29th Sep 2026251 PMAQI
29th Sep 2026252 PMAQI
29th Sep 2026273 PMAQI
29th Sep 2026254 PMAQI
29th Sep 2026275 PMAQI
29th Sep 2026256 PMAQI
6 PM
29th Sep 2026277 PMAQI
29th Sep 2026278 PMAQI
29th Sep 2026319 PMAQI
29th Sep 20263110 PMAQI
29th Sep 20263111 PMAQI
12 AM
5 AM

21°C15/30°C

Day time
Avg. Highest Time
9 AM

28AQI

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

24AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 9 AM (Avg. 28), while the lowest AQI was between 6 PM to 6 PM (Avg. 24).
Night time
Avg. Highest Time
11 PM

30AQI

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

24AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 PM to 11 PM (Avg. 30), while the lowest AQI was between 7 PM to 7 PM (Avg. 24).

2026 Days Vs Air Quality

Leon, Guanajuato, Mexico

2026

99%

267

0.7%

2

Total number of days with different AQI categories in last 272 days in 2026 (93 days remaining)

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

Under WHO’s Safe Air Quality Limits: 99%

Health Risk Level:

Very Low

In 2026, 99% of 272 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.

Annual Air Quality Insights

Leon, Guanajuato, Mexico

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
44AQI (US)
2nd January 2026
30AQI (US)
3rd January 2026
34AQI (US)
4th January 2026
31AQI (US)
5th January 2026
37AQI (US)
6th January 2026
36AQI (US)
7th January 2026
41AQI (US)
8th January 2026
39AQI (US)
9th January 2026
33AQI (US)
10th January 2026
40AQI (US)
11th January 2026
22AQI (US)
12th January 2026
52AQI (US)
13th January 2026
45AQI (US)
14th January 2026
36AQI (US)
15th January 2026
29AQI (US)
16th January 2026
34AQI (US)
17th January 2026
35AQI (US)
18th January 2026
25AQI (US)
19th January 2026
27AQI (US)
20th January 2026
37AQI (US)
21st January 2026
26AQI (US)
22nd January 2026
37AQI (US)
23rd January 2026
38AQI (US)
24th January 2026
40AQI (US)
25th January 2026
42AQI (US)
26th January 2026
38AQI (US)
27th January 2026
37AQI (US)
28th January 2026
38AQI (US)
29th January 2026
37AQI (US)
30th January 2026
29AQI (US)
31st January 2026
37AQI (US)
1st February 2026
34AQI (US)
2nd February 2026
38AQI (US)
3rd February 2026
39AQI (US)
4th February 2026
41AQI (US)
5th February 2026
34AQI (US)
6th February 2026
33AQI (US)
7th February 2026
33AQI (US)
8th February 2026
37AQI (US)
9th February 2026
37AQI (US)
10th February 2026
28AQI (US)
11th February 2026
27AQI (US)
12th February 2026
24AQI (US)
13th February 2026
29AQI (US)
14th February 2026
36AQI (US)
15th February 2026
28AQI (US)
16th February 2026
30AQI (US)
17th February 2026
33AQI (US)
18th February 2026
37AQI (US)
19th February 2026
42AQI (US)
20th February 2026
41AQI (US)
21st February 2026
36AQI (US)
22nd February 2026
37AQI (US)
23rd February 2026
28AQI (US)
24th February 2026
30AQI (US)
25th February 2026
33AQI (US)
26th February 2026
32AQI (US)
27th February 2026
32AQI (US)
28th February 2026
28AQI (US)
1st March 2026
26AQI (US)
2nd March 2026
28AQI (US)
3rd March 2026
37AQI (US)
4th March 2026
33AQI (US)
5th March 2026
32AQI (US)
6th March 2026
31AQI (US)
7th March 2026
31AQI (US)
8th March 2026
26AQI (US)
9th March 2026
31AQI (US)
10th March 2026
28AQI (US)
11th March 2026
24AQI (US)
12th March 2026
25AQI (US)
13th March 2026
26AQI (US)
14th March 2026
26AQI (US)
15th March 2026
30AQI (US)
16th March 2026
57AQI (US)
17th March 2026
17AQI (US)
18th March 2026
27AQI (US)
19th March 2026
27AQI (US)
20th March 2026
22AQI (US)
21st March 2026
25AQI (US)
22nd March 2026
24AQI (US)
23rd March 2026
22AQI (US)
24th March 2026
22AQI (US)
25th March 2026
25AQI (US)
26th March 2026
22AQI (US)
27th March 2026
21AQI (US)
28th March 2026
20AQI (US)
29th March 2026
26AQI (US)
30th March 2026
27AQI (US)
31st March 2026
24AQI (US)
1st April 2026
28AQI (US)
2nd April 2026
40AQI (US)
3rd April 2026
28AQI (US)
4th April 2026
19AQI (US)
5th April 2026
22AQI (US)
6th April 2026
18AQI (US)
7th April 2026
17AQI (US)
8th April 2026
20AQI (US)
9th April 2026
15AQI (US)
10th April 2026
18AQI (US)
11th April 2026
18AQI (US)
12th April 2026
21AQI (US)
13th April 2026
19AQI (US)
14th April 2026
23AQI (US)
15th April 2026
23AQI (US)
16th April 2026
26AQI (US)
17th April 2026
18th April 2026
27AQI (US)
19th April 2026
25AQI (US)
20th April 2026
23AQI (US)
21st April 2026
16AQI (US)
22nd April 2026
23rd April 2026
21AQI (US)
24th April 2026
27AQI (US)
25th April 2026
33AQI (US)
26th April 2026
28AQI (US)
27th April 2026
34AQI (US)
28th April 2026
38AQI (US)
29th April 2026
32AQI (US)
30th April 2026
28AQI (US)
1st May 2026
21AQI (US)
2nd May 2026
21AQI (US)
3rd May 2026
17AQI (US)
4th May 2026
19AQI (US)
5th May 2026
23AQI (US)
6th May 2026
37AQI (US)
7th May 2026
31AQI (US)
8th May 2026
22AQI (US)
9th May 2026
10th May 2026
21AQI (US)
11th May 2026
17AQI (US)
12th May 2026
17AQI (US)
13th May 2026
24AQI (US)
14th May 2026
19AQI (US)
15th May 2026
21AQI (US)
16th May 2026
20AQI (US)
17th May 2026
30AQI (US)
18th May 2026
36AQI (US)
19th May 2026
30AQI (US)
20th May 2026
22AQI (US)
21st May 2026
21AQI (US)
22nd May 2026
20AQI (US)
23rd May 2026
20AQI (US)
24th May 2026
20AQI (US)
25th May 2026
20AQI (US)
26th May 2026
26AQI (US)
27th May 2026
28AQI (US)
28th May 2026
28AQI (US)
29th May 2026
32AQI (US)
30th May 2026
45AQI (US)
31st May 2026
31AQI (US)
1st June 2026
25AQI (US)
2nd June 2026
30AQI (US)
3rd June 2026
32AQI (US)
4th June 2026
27AQI (US)
5th June 2026
26AQI (US)
6th June 2026
25AQI (US)
7th June 2026
24AQI (US)
8th June 2026
26AQI (US)
9th June 2026
26AQI (US)
10th June 2026
27AQI (US)
11th June 2026
27AQI (US)
12th June 2026
26AQI (US)
13th June 2026
25AQI (US)
14th June 2026
22AQI (US)
15th June 2026
24AQI (US)
16th June 2026
27AQI (US)
17th June 2026
27AQI (US)
18th June 2026
26AQI (US)
19th June 2026
24AQI (US)
20th June 2026
24AQI (US)
21st June 2026
24AQI (US)
22nd June 2026
24AQI (US)
23rd June 2026
24AQI (US)
24th June 2026
24AQI (US)
25th June 2026
24AQI (US)
26th June 2026
28AQI (US)
27th June 2026
28AQI (US)
28th June 2026
27AQI (US)
29th June 2026
35AQI (US)
30th June 2026
26AQI (US)
1st July 2026
30AQI (US)
2nd July 2026
36AQI (US)
3rd July 2026
33AQI (US)
4th July 2026
37AQI (US)
5th July 2026
41AQI (US)
6th July 2026
32AQI (US)
7th July 2026
33AQI (US)
8th July 2026
33AQI (US)
9th July 2026
27AQI (US)
10th July 2026
30AQI (US)
11th July 2026
33AQI (US)
12th July 2026
33AQI (US)
13th July 2026
27AQI (US)
14th July 2026
38AQI (US)
15th July 2026
44AQI (US)
16th July 2026
37AQI (US)
17th July 2026
27AQI (US)
18th July 2026
29AQI (US)
19th July 2026
33AQI (US)
20th July 2026
31AQI (US)
21st July 2026
33AQI (US)
22nd July 2026
28AQI (US)
23rd July 2026
28AQI (US)
24th July 2026
30AQI (US)
25th July 2026
32AQI (US)
26th July 2026
28AQI (US)
27th July 2026
32AQI (US)
28th July 2026
31AQI (US)
29th July 2026
34AQI (US)
30th July 2026
35AQI (US)
31st July 2026
35AQI (US)
1st August 2026
36AQI (US)
2nd August 2026
27AQI (US)
3rd August 2026
27AQI (US)
4th August 2026
34AQI (US)
5th August 2026
35AQI (US)
6th August 2026
30AQI (US)
7th August 2026
24AQI (US)
8th August 2026
32AQI (US)
9th August 2026
35AQI (US)
10th August 2026
28AQI (US)
11th August 2026
29AQI (US)
12th August 2026
31AQI (US)
13th August 2026
31AQI (US)
14th August 2026
25AQI (US)
15th August 2026
33AQI (US)
16th August 2026
25AQI (US)
17th August 2026
25AQI (US)
18th August 2026
32AQI (US)
19th August 2026
31AQI (US)
20th August 2026
30AQI (US)
21st August 2026
37AQI (US)
22nd August 2026
35AQI (US)
23rd August 2026
28AQI (US)
24th August 2026
33AQI (US)
25th August 2026
30AQI (US)
26th August 2026
28AQI (US)
27th August 2026
29AQI (US)
28th August 2026
32AQI (US)
29th August 2026
24AQI (US)
30th August 2026
25AQI (US)
31st August 2026
34AQI (US)
1st September 2026
32AQI (US)
2nd September 2026
25AQI (US)
3rd September 2026
26AQI (US)
4th September 2026
29AQI (US)
5th September 2026
39AQI (US)
6th September 2026
38AQI (US)
7th September 2026
29AQI (US)
8th September 2026
28AQI (US)
9th September 2026
27AQI (US)
10th September 2026
25AQI (US)
11th September 2026
23AQI (US)
12th September 2026
22AQI (US)
13th September 2026
21AQI (US)
14th September 2026
23AQI (US)
15th September 2026
49AQI (US)
16th September 2026
44AQI (US)
17th September 2026
21AQI (US)
18th September 2026
22AQI (US)
19th September 2026
24AQI (US)
20th September 2026
20AQI (US)
21st September 2026
21AQI (US)
22nd September 2026
20AQI (US)
23rd September 2026
20AQI (US)
24th September 2026
21AQI (US)
25th September 2026
20AQI (US)
26th September 2026
20AQI (US)
27th September 2026
21AQI (US)
28th September 2026
21AQI (US)
29th September 2026
24AQI (US)
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

36AQI (US)

33AQI (US)

27AQI (US)

25AQI (US)

25AQI (US)

26AQI (US)

33AQI (US)

30AQI (US)

26AQI (US)

No. of days

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

202629AQI (US)

30
1
28
30
1
28
30
30
31
31
29
267
2

Highest AQI (US) recorded in

January

36AQI (US)

Lowest AQI (US) recorded in

May

25AQI (US)

202551AQI (US)

30
1
13
15
15
16
30
31
16
14
18
13
28
3
30
2
29
28
2
31
181
183
1

Highest AQI (US) recorded in

May

70AQI (US)

Lowest AQI (US) recorded in

December

35AQI (US)

202447AQI (US)

24
7
23
6
30
1
26
4
22
9
20
9
28
3
30
1
13
15
25
6
10
20
26
5
251
107
5

Highest AQI (US) recorded in

December

83AQI (US)

Lowest AQI (US) recorded in

October

38AQI (US)

202335AQI (US)

2
2
5
12
8
1
25
5
22
9
26
4
31
31
22
31
27
2
28
3
257
38
1

Highest AQI (US) recorded in

February

62AQI (US)

Lowest AQI (US) recorded in

August

23AQI (US)

202237AQI (US)

20
4
17
5
23
8
13
5
25
6
30
21
1
1
29
31
12
6
1
3
223
38

Highest AQI (US) recorded in

December

64AQI (US)

Lowest AQI (US) recorded in

August

14AQI (US)

202137AQI (US)

21
8
15
13
14
17
21
9
28
3
30
31
31
20
28
2
27
3
10
19
276
74

Highest AQI (US) recorded in

December

55AQI (US)

Lowest AQI (US) recorded in

September

19AQI (US)

202033AQI (US)

6
1
10
15
1
28
26
31
27
24
4
22
8
19
12
208
26

Highest AQI (US) recorded in

December

47AQI (US)

Lowest AQI (US) recorded in

August

23AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
51AQI (US)
Least Polluted Year Recorded
2026(Avg.)
29AQI (US)

Leon's annual 2026 AQI (US) (29) shows an average percentage change of -25.6% (improved AQI (US)) compared to previous years: 2020 (33), 2021 (37), 2022 (37), 2023 (35), 2024 (47), 2025 (51).