Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Leon, Castille Leon, Spain 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

Leon, Castille Leon, Spain

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
19th Jul 2022
162AQI
Lowest AQI recorded on
1st Jul 2026
13AQI

Same Day Analysis (28th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 42 of Good air quality on the same day.

Day & Night AQI Trend: 27th Jul - 28th Jul 2026

Leon, Castille Leon, Spain

AQI
Day
Night
.

6 AM27th Jul 2026

10 PM

5 AM28th Jul 2026

Day time
Avg. Highest Time
3PM27th Jul

45AQI

Avg. Lowest Time
8PM27th Jul

23AQI

Night time
Avg. Highest Time
4AM28th Jul

42AQI

Avg. Lowest Time
10PM27th Jul

26AQI

In the last 24 hours,

Leon's AQI reached its highest point of 45 at 3 PM during the Day, while the lowest point, 23, was recorded at 8 PM during the Day between 27th Jul and 28th Jul 2026.

Day & Night AQI Trend : Jun - Jul 2026

Leon, Castille Leon, Spain

JunJul
29th - 30th30th - 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
Day
Night
29th Jun 202686 AMAQI
29th Jun 2026147 AMAQI
29th Jun 2026158 AMAQI
29th Jun 2026129 AMAQI
29th Jun 2026810 AMAQI
29th Jun 2026811 AMAQI
29th Jun 2026612 PMAQI
29th Jun 202671 PMAQI
29th Jun 202692 PMAQI
29th Jun 202683 PMAQI
29th Jun 202674 PMAQI
29th Jun 202655 PMAQI
29th Jun 2026146 PMAQI
29th Jun 2026197 PMAQI
29th Jun 2026178 PMAQI
29th Jun 2026189 PMAQI
29th Jun 20261410 PMAQI
29th Jun 20261711 PMAQI
30th Jun 20261712 AMAQI
30th Jun 2026221 AMAQI
30th Jun 2026202 AMAQI
30th Jun 2026153 AMAQI
30th Jun 2026114 AMAQI
30th Jun 202695 AMAQI

20°C11/28°C

30th Jun 202686 AMAQI
30th Jun 2026127 AMAQI
30th Jun 2026148 AMAQI
30th Jun 2026119 AMAQI
30th Jun 20261010 AMAQI
30th Jun 20261611 AMAQI
30th Jun 20261412 PMAQI
30th Jun 2026131 PMAQI
30th Jun 2026122 PMAQI
30th Jun 2026123 PMAQI
30th Jun 2026164 PMAQI
30th Jun 2026235 PMAQI
30th Jun 2026146 PMAQI
30th Jun 2026167 PMAQI
30th Jun 2026188 PMAQI
30th Jun 2026209 PMAQI
30th Jun 20261710 PMAQI
30th Jun 20261411 PMAQI
1st Jul 20261612 AMAQI
1st Jul 2026101 AMAQI
1st Jul 2026112 AMAQI
1st Jul 2026103 AMAQI
1st Jul 2026114 AMAQI
1st Jul 202685 AMAQI

21°C13/32°C

1st Jul 202686 AMAQI
1st Jul 2026137 AMAQI
1st Jul 202688 AMAQI
1st Jul 2026149 AMAQI
1st Jul 20261010 AMAQI
1st Jul 2026911 AMAQI
1st Jul 20261712 PMAQI
1st Jul 2026131 PMAQI
1st Jul 2026192 PMAQI
1st Jul 2026183 PMAQI
1st Jul 2026214 PMAQI
1st Jul 2026215 PMAQI
1st Jul 2026186 PMAQI
1st Jul 202687 PMAQI
1st Jul 2026218 PMAQI
1st Jul 2026199 PMAQI
1st Jul 20261310 PMAQI
1st Jul 20261311 PMAQI
2nd Jul 20261812 AMAQI
2nd Jul 2026121 AMAQI
2nd Jul 2026152 AMAQI
2nd Jul 2026113 AMAQI
2nd Jul 2026124 AMAQI
2nd Jul 2026145 AMAQI

19°C11/29°C

2nd Jul 2026136 AMAQI
2nd Jul 202687 AMAQI
2nd Jul 2026138 AMAQI
2nd Jul 2026179 AMAQI
2nd Jul 20261510 AMAQI
2nd Jul 20261511 AMAQI
2nd Jul 20261612 PMAQI
2nd Jul 2026181 PMAQI
2nd Jul 2026232 PMAQI
2nd Jul 2026243 PMAQI
2nd Jul 2026214 PMAQI
2nd Jul 2026255 PMAQI
2nd Jul 2026106 PMAQI
2nd Jul 202687 PMAQI
2nd Jul 202688 PMAQI
2nd Jul 202689 PMAQI
2nd Jul 2026810 PMAQI
2nd Jul 2026911 PMAQI
3rd Jul 2026912 AMAQI
3rd Jul 202681 AMAQI
3rd Jul 202682 AMAQI
3rd Jul 2026133 AMAQI
3rd Jul 202684 AMAQI
3rd Jul 2026135 AMAQI

19°C9/31°C

3rd Jul 2026196 AMAQI
3rd Jul 2026217 AMAQI
3rd Jul 2026168 AMAQI
3rd Jul 2026209 AMAQI
3rd Jul 20261610 AMAQI
3rd Jul 20262011 AMAQI
3rd Jul 20261512 PMAQI
3rd Jul 2026151 PMAQI
3rd Jul 2026232 PMAQI
3rd Jul 2026213 PMAQI
3rd Jul 2026264 PMAQI
3rd Jul 2026185 PMAQI
3rd Jul 2026236 PMAQI
3rd Jul 2026187 PMAQI
3rd Jul 2026168 PMAQI
3rd Jul 2026129 PMAQI
3rd Jul 20261410 PMAQI
3rd Jul 20261411 PMAQI
4th Jul 2026812 AMAQI
4th Jul 2026211 AMAQI
4th Jul 2026142 AMAQI
4th Jul 202693 AMAQI
4th Jul 2026134 AMAQI
4th Jul 202685 AMAQI

21°C11/33°C

4th Jul 202696 AMAQI
4th Jul 2026107 AMAQI
4th Jul 202688 AMAQI
4th Jul 202689 AMAQI
4th Jul 20261410 AMAQI
4th Jul 20261911 AMAQI
4th Jul 20261912 PMAQI
4th Jul 2026201 PMAQI
4th Jul 2026202 PMAQI
4th Jul 2026183 PMAQI
4th Jul 2026204 PMAQI
4th Jul 2026195 PMAQI
4th Jul 2026106 PMAQI
4th Jul 2026157 PMAQI
4th Jul 2026188 PMAQI
4th Jul 2026129 PMAQI
4th Jul 20261310 PMAQI
4th Jul 20261811 PMAQI
5th Jul 20261812 AMAQI
5th Jul 2026181 AMAQI
5th Jul 2026152 AMAQI
5th Jul 2026163 AMAQI
5th Jul 2026164 AMAQI
5th Jul 2026155 AMAQI

23°C13/33°C

5th Jul 2026156 AMAQI
5th Jul 2026177 AMAQI
5th Jul 2026158 AMAQI
5th Jul 2026199 AMAQI
5th Jul 20261410 AMAQI
5th Jul 20261811 AMAQI
5th Jul 20261612 PMAQI
5th Jul 2026171 PMAQI
5th Jul 2026172 PMAQI
5th Jul 2026173 PMAQI
5th Jul 2026154 PMAQI
5th Jul 2026125 PMAQI
5th Jul 2026216 PMAQI
5th Jul 2026167 PMAQI
5th Jul 2026108 PMAQI
5th Jul 202699 PMAQI
5th Jul 2026810 PMAQI
5th Jul 20261511 PMAQI
6th Jul 20261512 AMAQI
6th Jul 2026151 AMAQI
6th Jul 2026232 AMAQI
6th Jul 2026173 AMAQI
6th Jul 2026174 AMAQI
6th Jul 2026165 AMAQI

25°C14/35°C

6th Jul 2026166 AMAQI
6th Jul 2026157 AMAQI
6th Jul 2026188 AMAQI
6th Jul 2026259 AMAQI
6th Jul 20261410 AMAQI
6th Jul 20261411 AMAQI
6th Jul 20261612 PMAQI
6th Jul 2026181 PMAQI
6th Jul 2026192 PMAQI
6th Jul 2026213 PMAQI
6th Jul 2026194 PMAQI
6th Jul 2026235 PMAQI
6th Jul 2026276 PMAQI
6th Jul 2026357 PMAQI
6th Jul 2026378 PMAQI
6th Jul 2026389 PMAQI
6th Jul 20264610 PMAQI
6th Jul 20264811 PMAQI
7th Jul 20265212 AMAQI
7th Jul 2026361 AMAQI
7th Jul 2026212 AMAQI
7th Jul 2026233 AMAQI
7th Jul 2026214 AMAQI
7th Jul 2026215 AMAQI

26°C17/36°C

7th Jul 2026336 AMAQI
7th Jul 2026437 AMAQI
7th Jul 2026448 AMAQI
7th Jul 2026479 AMAQI
7th Jul 20264510 AMAQI
7th Jul 20265211 AMAQI
7th Jul 20262612 PMAQI
7th Jul 2026261 PMAQI
7th Jul 2026412 PMAQI
7th Jul 2026253 PMAQI
7th Jul 2026224 PMAQI
7th Jul 2026365 PMAQI
7th Jul 2026396 PMAQI
7th Jul 2026527 PMAQI
7th Jul 2026548 PMAQI
7th Jul 2026569 PMAQI
7th Jul 20266010 PMAQI
7th Jul 20264611 PMAQI
8th Jul 20264412 AMAQI
8th Jul 2026501 AMAQI
8th Jul 2026602 AMAQI
8th Jul 2026643 AMAQI
8th Jul 2026484 AMAQI
8th Jul 2026435 AMAQI

26°C18/36°C

8th Jul 2026456 AMAQI
8th Jul 2026467 AMAQI
8th Jul 2026448 AMAQI
8th Jul 2026499 AMAQI
8th Jul 20265210 AMAQI
8th Jul 20265311 AMAQI
8th Jul 20264612 PMAQI
8th Jul 2026481 PMAQI
8th Jul 2026492 PMAQI
8th Jul 2026503 PMAQI
8th Jul 2026464 PMAQI
8th Jul 2026495 PMAQI
8th Jul 2026536 PMAQI
8th Jul 2026537 PMAQI
8th Jul 2026508 PMAQI
8th Jul 2026349 PMAQI
8th Jul 20262710 PMAQI
8th Jul 20262211 PMAQI
9th Jul 20262312 AMAQI
9th Jul 2026241 AMAQI
9th Jul 2026232 AMAQI
9th Jul 2026303 AMAQI
9th Jul 2026234 AMAQI
9th Jul 2026195 AMAQI

25°C15/34°C

9th Jul 2026186 AMAQI
9th Jul 2026247 AMAQI
9th Jul 2026218 AMAQI
9th Jul 2026259 AMAQI
9th Jul 20262810 AMAQI
9th Jul 20262911 AMAQI
9th Jul 20262712 PMAQI
9th Jul 2026251 PMAQI
9th Jul 2026202 PMAQI
9th Jul 2026213 PMAQI
9th Jul 2026254 PMAQI
9th Jul 2026275 PMAQI
9th Jul 2026256 PMAQI
9th Jul 2026237 PMAQI
9th Jul 2026288 PMAQI
9th Jul 2026269 PMAQI
9th Jul 20262910 PMAQI
9th Jul 20263211 PMAQI
10th Jul 20262412 AMAQI
10th Jul 2026231 AMAQI
10th Jul 2026212 AMAQI
10th Jul 2026253 AMAQI
10th Jul 2026244 AMAQI
10th Jul 2026255 AMAQI

25°C17/35°C

10th Jul 2026216 AMAQI
10th Jul 2026207 AMAQI
10th Jul 2026248 AMAQI
10th Jul 2026199 AMAQI
10th Jul 20262210 AMAQI
10th Jul 20262111 AMAQI
10th Jul 20262012 PMAQI
10th Jul 2026261 PMAQI
10th Jul 2026312 PMAQI
10th Jul 2026263 PMAQI
10th Jul 2026234 PMAQI
10th Jul 2026235 PMAQI
10th Jul 2026266 PMAQI
10th Jul 2026287 PMAQI
10th Jul 2026258 PMAQI
10th Jul 2026259 PMAQI
10th Jul 20263010 PMAQI
10th Jul 20262311 PMAQI
11th Jul 20262412 AMAQI
11th Jul 2026281 AMAQI
11th Jul 2026292 AMAQI
11th Jul 2026253 AMAQI
11th Jul 2026234 AMAQI
11th Jul 2026205 AMAQI

25°C17/34°C

11th Jul 2026186 AMAQI
11th Jul 2026167 AMAQI
11th Jul 2026188 AMAQI
11th Jul 2026209 AMAQI
11th Jul 20261910 AMAQI
11th Jul 20261811 AMAQI
11th Jul 20261212 PMAQI
11th Jul 2026101 PMAQI
11th Jul 2026232 PMAQI
11th Jul 2026213 PMAQI
11th Jul 2026214 PMAQI
11th Jul 2026205 PMAQI
11th Jul 2026256 PMAQI
11th Jul 2026317 PMAQI
11th Jul 2026388 PMAQI
11th Jul 2026419 PMAQI
11th Jul 20263110 PMAQI
11th Jul 20263211 PMAQI
12th Jul 20262912 AMAQI
12th Jul 2026321 AMAQI
12th Jul 2026352 AMAQI
12th Jul 2026273 AMAQI
12th Jul 2026284 AMAQI
12th Jul 2026335 AMAQI

24°C15/34°C

12th Jul 2026416 AMAQI
12th Jul 2026347 AMAQI
12th Jul 2026368 AMAQI
12th Jul 2026279 AMAQI
12th Jul 20262610 AMAQI
12th Jul 20262611 AMAQI
12th Jul 20263212 PMAQI
12th Jul 2026271 PMAQI
12th Jul 2026322 PMAQI
12th Jul 2026313 PMAQI
12th Jul 2026354 PMAQI
12th Jul 2026365 PMAQI
12th Jul 2026426 PMAQI
12th Jul 2026407 PMAQI
12th Jul 2026288 PMAQI
12th Jul 2026289 PMAQI
12th Jul 20265210 PMAQI
12th Jul 20264411 PMAQI
13th Jul 20264212 AMAQI
13th Jul 2026371 AMAQI
13th Jul 2026362 AMAQI
13th Jul 2026313 AMAQI
13th Jul 2026284 AMAQI
13th Jul 2026285 AMAQI

22°C15/30°C

13th Jul 2026286 AMAQI
13th Jul 2026267 AMAQI
13th Jul 2026268 AMAQI
13th Jul 2026259 AMAQI
13th Jul 20262710 AMAQI
13th Jul 20262911 AMAQI
13th Jul 20262912 PMAQI
13th Jul 2026291 PMAQI
13th Jul 2026272 PMAQI
13th Jul 2026233 PMAQI
13th Jul 2026264 PMAQI
13th Jul 2026245 PMAQI
13th Jul 2026226 PMAQI
13th Jul 2026207 PMAQI
13th Jul 2026208 PMAQI
13th Jul 2026219 PMAQI
13th Jul 20262010 PMAQI
13th Jul 20262311 PMAQI
14th Jul 20262212 AMAQI
14th Jul 2026211 AMAQI
14th Jul 2026192 AMAQI
14th Jul 2026193 AMAQI
14th Jul 2026194 AMAQI
14th Jul 2026195 AMAQI

20°C12/28°C

14th Jul 2026176 AMAQI
14th Jul 2026167 AMAQI
14th Jul 2026168 AMAQI
14th Jul 2026169 AMAQI
14th Jul 20261810 AMAQI
14th Jul 20262311 AMAQI
14th Jul 20262312 PMAQI
14th Jul 2026251 PMAQI
14th Jul 2026232 PMAQI
14th Jul 2026253 PMAQI
14th Jul 2026274 PMAQI
14th Jul 2026285 PMAQI
14th Jul 2026286 PMAQI
14th Jul 2026357 PMAQI
14th Jul 2026328 PMAQI
14th Jul 2026319 PMAQI
14th Jul 20263010 PMAQI
14th Jul 20261911 PMAQI
15th Jul 20261812 AMAQI
15th Jul 2026171 AMAQI
15th Jul 2026212 AMAQI
15th Jul 2026173 AMAQI
15th Jul 2026194 AMAQI
15th Jul 2026215 AMAQI

22°C14/30°C

15th Jul 2026226 AMAQI
15th Jul 2026277 AMAQI
15th Jul 2026268 AMAQI
15th Jul 2026259 AMAQI
15th Jul 20262110 AMAQI
15th Jul 20262511 AMAQI
15th Jul 20262712 PMAQI
15th Jul 2026221 PMAQI
15th Jul 2026202 PMAQI
15th Jul 2026223 PMAQI
15th Jul 2026214 PMAQI
15th Jul 2026215 PMAQI
15th Jul 2026196 PMAQI
15th Jul 2026217 PMAQI
15th Jul 2026218 PMAQI
15th Jul 2026199 PMAQI
15th Jul 20262110 PMAQI
15th Jul 20262311 PMAQI
16th Jul 20262112 AMAQI
16th Jul 2026201 AMAQI
16th Jul 2026222 AMAQI
16th Jul 2026223 AMAQI
16th Jul 2026204 AMAQI
16th Jul 2026195 AMAQI

22°C13/30°C

16th Jul 2026196 AMAQI
16th Jul 2026197 AMAQI
16th Jul 2026148 AMAQI
16th Jul 202699 AMAQI
16th Jul 20261010 AMAQI
16th Jul 20262111 AMAQI
16th Jul 20262112 PMAQI
16th Jul 2026131 PMAQI
16th Jul 2026212 PMAQI
16th Jul 2026193 PMAQI
16th Jul 2026224 PMAQI
16th Jul 2026165 PMAQI
16th Jul 2026236 PMAQI
16th Jul 2026197 PMAQI
16th Jul 2026248 PMAQI
16th Jul 2026209 PMAQI
16th Jul 20262110 PMAQI
16th Jul 20262111 PMAQI
17th Jul 20261912 AMAQI
17th Jul 2026131 AMAQI
17th Jul 2026172 AMAQI
17th Jul 2026193 AMAQI
17th Jul 2026134 AMAQI
17th Jul 2026115 AMAQI

20°C13/30°C

17th Jul 2026136 AMAQI
17th Jul 2026157 AMAQI
17th Jul 2026138 AMAQI
17th Jul 2026299 AMAQI
17th Jul 20262610 AMAQI
17th Jul 20263011 AMAQI
17th Jul 20262812 PMAQI
17th Jul 2026271 PMAQI
17th Jul 2026292 PMAQI
17th Jul 2026333 PMAQI
17th Jul 2026334 PMAQI
17th Jul 2026395 PMAQI
17th Jul 2026326 PMAQI
17th Jul 2026337 PMAQI
17th Jul 2026308 PMAQI
17th Jul 2026239 PMAQI
17th Jul 20262510 PMAQI
17th Jul 20262611 PMAQI
18th Jul 20263012 AMAQI
18th Jul 2026281 AMAQI
18th Jul 2026282 AMAQI
18th Jul 2026303 AMAQI
18th Jul 2026284 AMAQI
18th Jul 2026245 AMAQI

19°C11/29°C

18th Jul 2026276 AMAQI
18th Jul 2026297 AMAQI
18th Jul 2026298 AMAQI
18th Jul 2026309 AMAQI
18th Jul 20262910 AMAQI
18th Jul 20262611 AMAQI
18th Jul 20262512 PMAQI
18th Jul 2026301 PMAQI
18th Jul 2026282 PMAQI
18th Jul 2026323 PMAQI
18th Jul 2026304 PMAQI
18th Jul 2026285 PMAQI
18th Jul 2026286 PMAQI
18th Jul 2026227 PMAQI
18th Jul 2026278 PMAQI
18th Jul 2026289 PMAQI
18th Jul 20263010 PMAQI
18th Jul 20263011 PMAQI
19th Jul 20262312 AMAQI
19th Jul 2026271 AMAQI
19th Jul 2026302 AMAQI
19th Jul 2026303 AMAQI
19th Jul 2026304 AMAQI
19th Jul 2026285 AMAQI

21°C12/30°C

19th Jul 2026326 AMAQI
19th Jul 2026327 AMAQI
19th Jul 2026268 AMAQI
19th Jul 2026259 AMAQI
19th Jul 20262410 AMAQI
19th Jul 20262611 AMAQI
19th Jul 20262612 PMAQI
19th Jul 2026251 PMAQI
19th Jul 2026242 PMAQI
19th Jul 2026253 PMAQI
19th Jul 2026234 PMAQI
19th Jul 2026265 PMAQI
19th Jul 2026276 PMAQI
19th Jul 2026267 PMAQI
19th Jul 2026268 PMAQI
19th Jul 2026269 PMAQI
19th Jul 20262310 PMAQI
19th Jul 20262111 PMAQI
20th Jul 20262912 AMAQI
20th Jul 2026271 AMAQI
20th Jul 2026312 AMAQI
20th Jul 2026303 AMAQI
20th Jul 2026324 AMAQI
20th Jul 2026385 AMAQI

22°C13/32°C

20th Jul 2026316 AMAQI
20th Jul 2026287 AMAQI
20th Jul 2026338 AMAQI
20th Jul 2026339 AMAQI
20th Jul 20262710 AMAQI
20th Jul 20263211 AMAQI
20th Jul 20262412 PMAQI
20th Jul 2026381 PMAQI
20th Jul 2026412 PMAQI
20th Jul 2026403 PMAQI
20th Jul 2026344 PMAQI
20th Jul 2026325 PMAQI
20th Jul 2026316 PMAQI
20th Jul 2026317 PMAQI
20th Jul 2026318 PMAQI
20th Jul 2026299 PMAQI
20th Jul 20262810 PMAQI
20th Jul 20262711 PMAQI
21st Jul 20262712 AMAQI
21st Jul 2026271 AMAQI
21st Jul 2026272 AMAQI
21st Jul 2026263 AMAQI
21st Jul 2026304 AMAQI

22°C13/32°C

21st Jul 2026276 AMAQI
21st Jul 2026247 AMAQI
21st Jul 2026228 AMAQI
21st Jul 2026289 AMAQI
21st Jul 20263010 AMAQI
21st Jul 20262311 AMAQI
21st Jul 20263412 PMAQI
21st Jul 2026311 PMAQI
21st Jul 2026352 PMAQI
21st Jul 2026333 PMAQI
21st Jul 2026354 PMAQI
21st Jul 2026355 PMAQI
21st Jul 2026296 PMAQI
21st Jul 2026247 PMAQI
21st Jul 2026278 PMAQI
21st Jul 2026269 PMAQI
21st Jul 20262510 PMAQI
21st Jul 20262611 PMAQI
22nd Jul 20262412 AMAQI
22nd Jul 2026241 AMAQI
22nd Jul 2026232 AMAQI
22nd Jul 2026283 AMAQI
22nd Jul 2026234 AMAQI
22nd Jul 2026275 AMAQI

22°C13/32°C

22nd Jul 2026236 AMAQI
22nd Jul 2026257 AMAQI
22nd Jul 2026238 AMAQI
22nd Jul 2026259 AMAQI
22nd Jul 20262510 AMAQI
22nd Jul 20262611 AMAQI
22nd Jul 20262212 PMAQI
22nd Jul 2026241 PMAQI
22nd Jul 2026272 PMAQI
22nd Jul 2026223 PMAQI
22nd Jul 2026254 PMAQI
22nd Jul 2026265 PMAQI
22nd Jul 2026306 PMAQI
22nd Jul 2026327 PMAQI
22nd Jul 2026398 PMAQI
22nd Jul 2026359 PMAQI
22nd Jul 20262910 PMAQI
22nd Jul 20262711 PMAQI
23rd Jul 20262512 AMAQI
23rd Jul 2026271 AMAQI
23rd Jul 2026312 AMAQI
23rd Jul 2026293 AMAQI
23rd Jul 2026274 AMAQI
23rd Jul 2026255 AMAQI

23°C14/34°C

23rd Jul 2026296 AMAQI
23rd Jul 2026257 AMAQI
23rd Jul 2026278 AMAQI
23rd Jul 2026279 AMAQI
23rd Jul 20262910 AMAQI
23rd Jul 20262511 AMAQI
23rd Jul 20262912 PMAQI
23rd Jul 2026311 PMAQI
23rd Jul 2026342 PMAQI
23rd Jul 2026443 PMAQI
23rd Jul 2026504 PMAQI
23rd Jul 2026455 PMAQI
23rd Jul 2026366 PMAQI
23rd Jul 2026367 PMAQI
23rd Jul 2026328 PMAQI
23rd Jul 2026269 PMAQI
23rd Jul 20263010 PMAQI
23rd Jul 20262811 PMAQI
24th Jul 20263512 AMAQI
24th Jul 2026401 AMAQI
24th Jul 2026462 AMAQI
24th Jul 2026433 AMAQI
24th Jul 2026544 AMAQI
24th Jul 2026585 AMAQI

24°C14/34°C

24th Jul 2026606 AMAQI
24th Jul 2026587 AMAQI
24th Jul 2026568 AMAQI
24th Jul 2026579 AMAQI
24th Jul 20265910 AMAQI
24th Jul 20265011 AMAQI
24th Jul 20264912 PMAQI
24th Jul 2026481 PMAQI
24th Jul 2026502 PMAQI
24th Jul 2026473 PMAQI
24th Jul 2026424 PMAQI
24th Jul 2026405 PMAQI
24th Jul 2026376 PMAQI
24th Jul 2026307 PMAQI
24th Jul 2026288 PMAQI
24th Jul 2026279 PMAQI
24th Jul 20262910 PMAQI
24th Jul 20263211 PMAQI
25th Jul 20263412 AMAQI
25th Jul 2026361 AMAQI
25th Jul 2026362 AMAQI
25th Jul 2026233 AMAQI
25th Jul 2026234 AMAQI
25th Jul 2026295 AMAQI

21°C14/28°C

25th Jul 2026306 AMAQI
25th Jul 2026287 AMAQI
25th Jul 2026268 AMAQI
25th Jul 2026269 AMAQI
25th Jul 20262810 AMAQI
25th Jul 20262711 AMAQI
25th Jul 20262712 PMAQI
25th Jul 2026231 PMAQI
25th Jul 2026252 PMAQI
25th Jul 2026253 PMAQI
25th Jul 2026274 PMAQI
25th Jul 2026305 PMAQI
25th Jul 2026266 PMAQI
25th Jul 2026247 PMAQI
25th Jul 2026258 PMAQI
25th Jul 2026289 PMAQI
25th Jul 20263610 PMAQI
25th Jul 20263911 PMAQI
26th Jul 20263712 AMAQI
26th Jul 2026361 AMAQI
26th Jul 2026302 AMAQI
26th Jul 2026263 AMAQI
26th Jul 2026254 AMAQI
26th Jul 2026245 AMAQI

17°C11/24°C

26th Jul 2026236 AMAQI
26th Jul 2026247 AMAQI
26th Jul 2026288 AMAQI
26th Jul 2026299 AMAQI
26th Jul 20262910 AMAQI
26th Jul 20263311 AMAQI
26th Jul 20263212 PMAQI
26th Jul 2026291 PMAQI
26th Jul 2026342 PMAQI
26th Jul 2026383 PMAQI
26th Jul 2026324 PMAQI
26th Jul 2026295 PMAQI
26th Jul 2026296 PMAQI
26th Jul 2026337 PMAQI
26th Jul 2026368 PMAQI
26th Jul 2026309 PMAQI
26th Jul 20263510 PMAQI
26th Jul 20264611 PMAQI
27th Jul 20264012 AMAQI
27th Jul 2026351 AMAQI
27th Jul 2026272 AMAQI
27th Jul 2026313 AMAQI
27th Jul 2026354 AMAQI
27th Jul 2026405 AMAQI

17°C7/28°C

27th Jul 2026416 AMAQI
27th Jul 2026427 AMAQI
27th Jul 2026408 AMAQI
27th Jul 2026379 AMAQI
27th Jul 20263610 AMAQI
27th Jul 20263511 AMAQI
27th Jul 20263412 PMAQI
27th Jul 2026381 PMAQI
27th Jul 2026392 PMAQI
27th Jul 2026453 PMAQI
27th Jul 2026454 PMAQI
27th Jul 2026355 PMAQI
27th Jul 2026266 PMAQI
27th Jul 2026237 PMAQI
27th Jul 2026238 PMAQI
27th Jul 2026259 PMAQI
27th Jul 20262610 PMAQI
27th Jul 20263411 PMAQI
28th Jul 20263112 AMAQI
28th Jul 2026271 AMAQI
28th Jul 2026302 AMAQI
28th Jul 2026363 AMAQI
28th Jul 2026424 AMAQI
28th Jul 2026345 AMAQI

21°C11/31°C

28th Jul 2026356 AMAQI
6 AM
28th Jul 2026337 AMAQI
28th Jul 2026328 AMAQI
28th Jul 2026329 AMAQI
28th Jul 20262910 AMAQI
28th Jul 20263111 AMAQI
28th Jul 20263212 PMAQI
28th Jul 2026251 PMAQI
28th Jul 2026252 PMAQI
2 PM
28th Jul 2026333 PMAQI
28th Jul 2026354 PMAQI
28th Jul 2026405 PMAQI
28th Jul 2026546 PMAQI
28th Jul 2026707 PMAQI
28th Jul 2026758 PMAQI
28th Jul 2026749 PMAQI
28th Jul 20267710 PMAQI
10 PM
28th Jul 20267711 PMAQI
2 AM
5 AM

25°C16/35°C

Day time
Avg. Highest Time
8 PM

29AQI

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

24AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 8 PM (Avg. 29), while the lowest AQI was between 6 AM to 6 AM (Avg. 24).
Night time
Avg. Highest Time
11 PM

28AQI

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

23AQI

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. 28), while the lowest AQI was between 5 AM to 5 AM (Avg. 23).

2026 Days Vs Air Quality

Leon, Castille Leon, Spain

2026

94%

194

6%

12

Total number of days with different AQI categories in last 209 days in 2026 (156 days remaining)

Good
194 Days
Moderate
12 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 94%

Health Risk Level:

Very Low

In 2026, 94% of 209 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, Castille Leon, Spain

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
41AQI (US)
2nd January 2026
40AQI (US)
3rd January 2026
46AQI (US)
4th January 2026
23AQI (US)
5th January 2026
27AQI (US)
6th January 2026
27AQI (US)
7th January 2026
34AQI (US)
8th January 2026
37AQI (US)
9th January 2026
14AQI (US)
10th January 2026
19AQI (US)
11th January 2026
36AQI (US)
12th January 2026
28AQI (US)
13th January 2026
25AQI (US)
14th January 2026
21AQI (US)
15th January 2026
26AQI (US)
16th January 2026
30AQI (US)
17th January 2026
27AQI (US)
18th January 2026
18AQI (US)
19th January 2026
27AQI (US)
20th January 2026
36AQI (US)
21st January 2026
24AQI (US)
22nd January 2026
24AQI (US)
23rd January 2026
38AQI (US)
24th January 2026
35AQI (US)
25th January 2026
36AQI (US)
26th January 2026
40AQI (US)
27th January 2026
27AQI (US)
28th January 2026
31AQI (US)
29th January 2026
38AQI (US)
30th January 2026
39AQI (US)
31st January 2026
35AQI (US)
1st February 2026
35AQI (US)
2nd February 2026
30AQI (US)
3rd February 2026
35AQI (US)
4th February 2026
35AQI (US)
5th February 2026
29AQI (US)
6th February 2026
33AQI (US)
7th February 2026
30AQI (US)
8th February 2026
32AQI (US)
9th February 2026
45AQI (US)
10th February 2026
25AQI (US)
11th February 2026
30AQI (US)
12th February 2026
33AQI (US)
13th February 2026
20AQI (US)
14th February 2026
36AQI (US)
15th February 2026
32AQI (US)
16th February 2026
20AQI (US)
17th February 2026
23AQI (US)
18th February 2026
27AQI (US)
19th February 2026
24AQI (US)
20th February 2026
26AQI (US)
21st February 2026
37AQI (US)
22nd February 2026
42AQI (US)
23rd February 2026
53AQI (US)
24th February 2026
56AQI (US)
25th February 2026
61AQI (US)
26th February 2026
72AQI (US)
27th February 2026
50AQI (US)
28th February 2026
18AQI (US)
1st March 2026
30AQI (US)
2nd March 2026
50AQI (US)
3rd March 2026
54AQI (US)
4th March 2026
62AQI (US)
5th March 2026
56AQI (US)
6th March 2026
11AQI (US)
7th March 2026
16AQI (US)
8th March 2026
22AQI (US)
9th March 2026
23AQI (US)
10th March 2026
19AQI (US)
11th March 2026
32AQI (US)
12th March 2026
34AQI (US)
13th March 2026
29AQI (US)
14th March 2026
10AQI (US)
15th March 2026
17AQI (US)
16th March 2026
23AQI (US)
17th March 2026
33AQI (US)
18th March 2026
44AQI (US)
19th March 2026
45AQI (US)
20th March 2026
49AQI (US)
21st March 2026
54AQI (US)
22nd March 2026
65AQI (US)
23rd March 2026
61AQI (US)
24th March 2026
52AQI (US)
25th March 2026
45AQI (US)
26th March 2026
15AQI (US)
27th March 2026
20AQI (US)
28th March 2026
20AQI (US)
29th March 2026
26AQI (US)
30th March 2026
26AQI (US)
31st March 2026
16AQI (US)
1st April 2026
19AQI (US)
2nd April 2026
18AQI (US)
3rd April 2026
22AQI (US)
4th April 2026
33AQI (US)
5th April 2026
43AQI (US)
6th April 2026
30AQI (US)
7th April 2026
43AQI (US)
8th April 2026
39AQI (US)
9th April 2026
42AQI (US)
10th April 2026
49AQI (US)
11th April 2026
27AQI (US)
12th April 2026
13AQI (US)
13th April 2026
16AQI (US)
14th April 2026
20AQI (US)
15th April 2026
20AQI (US)
16th April 2026
18AQI (US)
17th April 2026
18th April 2026
18AQI (US)
19th April 2026
22AQI (US)
20th April 2026
38AQI (US)
21st April 2026
57AQI (US)
22nd April 2026
23rd April 2026
22AQI (US)
24th April 2026
37AQI (US)
25th April 2026
21AQI (US)
26th April 2026
27AQI (US)
27th April 2026
29AQI (US)
28th April 2026
24AQI (US)
29th April 2026
38AQI (US)
30th April 2026
28AQI (US)
1st May 2026
29AQI (US)
2nd May 2026
37AQI (US)
3rd May 2026
18AQI (US)
4th May 2026
16AQI (US)
5th May 2026
20AQI (US)
6th May 2026
25AQI (US)
7th May 2026
30AQI (US)
8th May 2026
26AQI (US)
9th May 2026
10th May 2026
25AQI (US)
11th May 2026
22AQI (US)
12th May 2026
21AQI (US)
13th May 2026
17AQI (US)
14th May 2026
17AQI (US)
15th May 2026
22AQI (US)
16th May 2026
36AQI (US)
17th May 2026
36AQI (US)
18th May 2026
38AQI (US)
19th May 2026
38AQI (US)
20th May 2026
38AQI (US)
21st May 2026
39AQI (US)
22nd May 2026
45AQI (US)
23rd May 2026
43AQI (US)
24th May 2026
43AQI (US)
25th May 2026
38AQI (US)
26th May 2026
34AQI (US)
27th May 2026
35AQI (US)
28th May 2026
30AQI (US)
29th May 2026
36AQI (US)
30th May 2026
22AQI (US)
31st May 2026
13AQI (US)
1st June 2026
13AQI (US)
2nd June 2026
17AQI (US)
3rd June 2026
20AQI (US)
4th June 2026
15AQI (US)
5th June 2026
11AQI (US)
6th June 2026
18AQI (US)
7th June 2026
12AQI (US)
8th June 2026
18AQI (US)
9th June 2026
10AQI (US)
10th June 2026
13AQI (US)
11th June 2026
19AQI (US)
12th June 2026
15AQI (US)
13th June 2026
16AQI (US)
14th June 2026
20AQI (US)
15th June 2026
20AQI (US)
16th June 2026
39AQI (US)
17th June 2026
37AQI (US)
18th June 2026
37AQI (US)
19th June 2026
50AQI (US)
20th June 2026
35AQI (US)
21st June 2026
34AQI (US)
22nd June 2026
39AQI (US)
23rd June 2026
38AQI (US)
24th June 2026
37AQI (US)
25th June 2026
43AQI (US)
26th June 2026
21AQI (US)
27th June 2026
44AQI (US)
28th June 2026
17AQI (US)
29th June 2026
11AQI (US)
30th June 2026
15AQI (US)
1st July 2026
13AQI (US)
2nd July 2026
14AQI (US)
3rd July 2026
16AQI (US)
4th July 2026
14AQI (US)
5th July 2026
16AQI (US)
6th July 2026
23AQI (US)
7th July 2026
39AQI (US)
8th July 2026
47AQI (US)
9th July 2026
25AQI (US)
10th July 2026
24AQI (US)
11th July 2026
23AQI (US)
12th July 2026
33AQI (US)
13th July 2026
27AQI (US)
14th July 2026
23AQI (US)
15th July 2026
21AQI (US)
16th July 2026
19AQI (US)
17th July 2026
24AQI (US)
18th July 2026
28AQI (US)
19th July 2026
26AQI (US)
20th July 2026
31AQI (US)
21st July 2026
28AQI (US)
22nd July 2026
27AQI (US)
23rd July 2026
31AQI (US)
24th July 2026
45AQI (US)
25th July 2026
28AQI (US)
26th July 2026
31AQI (US)
27th July 2026
35AQI (US)
28th July 2026
42AQI (US)
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

31AQI (US)

35AQI (US)

34AQI (US)

29AQI (US)

30AQI (US)

24AQI (US)

27AQI (US)

No. of days

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

202630AQI (US)

31
24
4
24
7
27
1
30
30
28
194
12

Highest AQI (US) recorded in

February

35AQI (US)

Lowest AQI (US) recorded in

June

24AQI (US)

202531AQI (US)

27
4
28
31
30
31
28
2
31
22
9
30
29
2
28
2
29
2
344
21

Highest AQI (US) recorded in

August

44AQI (US)

Lowest AQI (US) recorded in

April

19AQI (US)

202432AQI (US)

22
9
23
6
30
1
30
31
30
31
31
29
1
31
29
1
28
3
345
21

Highest AQI (US) recorded in

February

43AQI (US)

Lowest AQI (US) recorded in

October

25AQI (US)

202334AQI (US)

25
6
20
8
31
29
1
31
30
31
30
1
24
6
31
26
3
31
339
25

Highest AQI (US) recorded in

February

46AQI (US)

Lowest AQI (US) recorded in

July

28AQI (US)

202237AQI (US)

17
11
1
17
6
24
5
1
1
30
31
26
4
16
6
1
1
1
29
28
3
29
1
31
279
36
3
2

Highest AQI (US) recorded in

January

52AQI (US)

Lowest AQI (US) recorded in

September

29AQI (US)

202129AQI (US)

30
1
24
4
29
2
28
2
31
30
27
31
29
31
26
4
26
5
342
18

Highest AQI (US) recorded in

November

40AQI (US)

Lowest AQI (US) recorded in

October

22AQI (US)

202026AQI (US)

12
1
21
19
30
30
1
31
30
31
29
1
31
264
3

Highest AQI (US) recorded in

March

38AQI (US)

Lowest AQI (US) recorded in

December

23AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2022(Avg.)
37AQI (US)
Least Polluted Year Recorded
2020(Avg.)
26AQI (US)

Leon's annual 2026 AQI (US) (30) shows an average percentage change of -3.5% (improved AQI (US)) compared to previous years: 2020 (26), 2021 (29), 2022 (37), 2023 (34), 2024 (32), 2025 (31).