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+
August Air Quality Analysis
Leon, Castille Leon, Spain
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
24th Aug 2023
51AQILowest AQI recorded on
16th Aug 2021
18AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 36 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Leon, Castille Leon, Spain
AQI
Day
Night
.
7 AM4th Aug 2025
9 PM
6 AM5th Aug 2025
Day time
Avg. Highest Time
11AM4th Aug
43AQI
Avg. Lowest Time
8AM4th Aug
31AQI
Night time
Avg. Highest Time
6AM5th Aug
52AQI
Avg. Lowest Time
11PM4th Aug
32AQI
In the last 24 hours,
Leon's AQI reached its highest point of 52 at 6 AM during the Night, while the lowest point, 31, was recorded at 8 AM during the Day between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Leon, Castille Leon, Spain
JulAug
06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th
Day
Night
6th Jul 2025287 AMAQI
6th Jul 2025298 AMAQI
6th Jul 2025299 AMAQI
6th Jul 20253010 AMAQI
6th Jul 20253111 AMAQI
6th Jul 20253012 PMAQI
6th Jul 2025301 PMAQI
6th Jul 2025322 PMAQI
6th Jul 2025323 PMAQI
6th Jul 2025324 PMAQI
6th Jul 2025325 PMAQI
6th Jul 2025306 PMAQI
6th Jul 2025307 PMAQI
6th Jul 2025308 PMAQI
6th Jul 2025319 PMAQI
6th Jul 20253310 PMAQI
6th Jul 20253311 PMAQI
7th Jul 20253312 AMAQI
7th Jul 2025331 AMAQI
7th Jul 2025312 AMAQI
7th Jul 2025303 AMAQI
7th Jul 2025214 AMAQI
7th Jul 2025215 AMAQI
7th Jul 2025236 AMAQI
19°C13/26°C
7th Jul 2025227 AMAQI
7th Jul 2025218 AMAQI
7th Jul 2025219 AMAQI
7th Jul 20252310 AMAQI
7th Jul 20252411 AMAQI
7th Jul 20252312 PMAQI
7th Jul 2025231 PMAQI
7th Jul 2025242 PMAQI
7th Jul 2025233 PMAQI
7th Jul 2025244 PMAQI
7th Jul 2025245 PMAQI
7th Jul 2025246 PMAQI
7th Jul 2025237 PMAQI
7th Jul 2025248 PMAQI
7th Jul 2025259 PMAQI
7th Jul 20252610 PMAQI
7th Jul 20252611 PMAQI
8th Jul 20252612 AMAQI
8th Jul 2025261 AMAQI
8th Jul 2025262 AMAQI
8th Jul 2025253 AMAQI
8th Jul 2025224 AMAQI
8th Jul 2025235 AMAQI
8th Jul 2025246 AMAQI
17°C10/24°C
8th Jul 2025237 AMAQI
8th Jul 2025248 AMAQI
8th Jul 2025249 AMAQI
8th Jul 20252510 AMAQI
8th Jul 20252311 AMAQI
8th Jul 20252512 PMAQI
8th Jul 2025241 PMAQI
8th Jul 2025232 PMAQI
8th Jul 2025233 PMAQI
8th Jul 2025244 PMAQI
8th Jul 2025235 PMAQI
8th Jul 2025226 PMAQI
8th Jul 2025227 PMAQI
8th Jul 2025238 PMAQI
8th Jul 2025239 PMAQI
8th Jul 20252510 PMAQI
8th Jul 20252511 PMAQI
9th Jul 20252512 AMAQI
9th Jul 2025241 AMAQI
9th Jul 2025242 AMAQI
9th Jul 2025243 AMAQI
9th Jul 2025224 AMAQI
9th Jul 2025215 AMAQI
9th Jul 2025236 AMAQI
16°C7/26°C
9th Jul 2025257 AMAQI
9th Jul 2025238 AMAQI
9th Jul 2025239 AMAQI
9th Jul 20252310 AMAQI
9th Jul 20252311 AMAQI
9th Jul 20252412 PMAQI
9th Jul 2025241 PMAQI
9th Jul 2025242 PMAQI
9th Jul 2025243 PMAQI
9th Jul 2025244 PMAQI
9th Jul 2025235 PMAQI
9th Jul 2025236 PMAQI
9th Jul 2025237 PMAQI
9th Jul 2025238 PMAQI
9th Jul 2025249 PMAQI
9th Jul 20252410 PMAQI
9th Jul 20252411 PMAQI
10th Jul 20252312 AMAQI
10th Jul 2025241 AMAQI
10th Jul 2025252 AMAQI
10th Jul 2025263 AMAQI
10th Jul 2025264 AMAQI
10th Jul 2025265 AMAQI
10th Jul 2025256 AMAQI
21°C12/30°C
10th Jul 2025247 AMAQI
10th Jul 2025268 AMAQI
10th Jul 2025259 AMAQI
10th Jul 20252710 AMAQI
10th Jul 20252711 AMAQI
10th Jul 20252912 PMAQI
10th Jul 2025291 PMAQI
10th Jul 2025282 PMAQI
10th Jul 2025283 PMAQI
10th Jul 2025294 PMAQI
10th Jul 2025295 PMAQI
10th Jul 2025286 PMAQI
10th Jul 2025287 PMAQI
10th Jul 2025288 PMAQI
10th Jul 2025279 PMAQI
10th Jul 20252710 PMAQI
10th Jul 20252811 PMAQI
11th Jul 20253012 AMAQI
11th Jul 2025271 AMAQI
11th Jul 2025282 AMAQI
11th Jul 2025293 AMAQI
11th Jul 2025344 AMAQI
11th Jul 2025335 AMAQI
11th Jul 2025326 AMAQI
23°C16/31°C
11th Jul 2025347 AMAQI
11th Jul 2025358 AMAQI
11th Jul 2025339 AMAQI
11th Jul 20253610 AMAQI
11th Jul 20253911 AMAQI
11th Jul 20253612 PMAQI
11th Jul 2025351 PMAQI
11th Jul 2025342 PMAQI
11th Jul 2025353 PMAQI
11th Jul 2025354 PMAQI
11th Jul 2025335 PMAQI
11th Jul 2025306 PMAQI
11th Jul 2025317 PMAQI
11th Jul 2025318 PMAQI
11th Jul 2025319 PMAQI
11th Jul 20253310 PMAQI
11th Jul 20253311 PMAQI
12th Jul 20253312 AMAQI
12th Jul 2025331 AMAQI
12th Jul 2025322 AMAQI
12th Jul 2025333 AMAQI
12th Jul 2025324 AMAQI
12th Jul 2025325 AMAQI
12th Jul 2025316 AMAQI
21°C15/27°C
12th Jul 2025307 AMAQI
12th Jul 2025338 AMAQI
12th Jul 2025299 AMAQI
12th Jul 20252810 AMAQI
12th Jul 20252911 AMAQI
12th Jul 20252912 PMAQI
12th Jul 2025291 PMAQI
12th Jul 2025292 PMAQI
12th Jul 2025293 PMAQI
12th Jul 2025274 PMAQI
12th Jul 2025285 PMAQI
12th Jul 2025286 PMAQI
12th Jul 2025287 PMAQI
12th Jul 2025298 PMAQI
12th Jul 2025329 PMAQI
12th Jul 20253310 PMAQI
12th Jul 20253111 PMAQI
13th Jul 20253112 AMAQI
13th Jul 2025311 AMAQI
13th Jul 2025322 AMAQI
13th Jul 2025333 AMAQI
13th Jul 2025304 AMAQI
13th Jul 2025295 AMAQI
13th Jul 2025336 AMAQI
18°C13/26°C
13th Jul 2025317 AMAQI
13th Jul 2025298 AMAQI
13th Jul 2025319 AMAQI
13th Jul 20253110 AMAQI
13th Jul 20253011 AMAQI
13th Jul 20253012 PMAQI
13th Jul 2025291 PMAQI
13th Jul 2025312 PMAQI
13th Jul 2025313 PMAQI
13th Jul 2025324 PMAQI
13th Jul 2025335 PMAQI
13th Jul 2025326 PMAQI
13th Jul 2025307 PMAQI
13th Jul 2025308 PMAQI
13th Jul 2025309 PMAQI
13th Jul 20253110 PMAQI
13th Jul 20253211 PMAQI
14th Jul 20253112 AMAQI
14th Jul 2025311 AMAQI
14th Jul 2025332 AMAQI
14th Jul 2025343 AMAQI
14th Jul 2025344 AMAQI
14th Jul 2025325 AMAQI
14th Jul 2025336 AMAQI
19°C13/26°C
14th Jul 2025337 AMAQI
14th Jul 2025328 AMAQI
14th Jul 2025319 AMAQI
14th Jul 20253010 AMAQI
14th Jul 20252911 AMAQI
14th Jul 20253212 PMAQI
14th Jul 2025331 PMAQI
14th Jul 2025352 PMAQI
14th Jul 2025353 PMAQI
14th Jul 2025344 PMAQI
14th Jul 2025345 PMAQI
14th Jul 2025336 PMAQI
14th Jul 2025317 PMAQI
14th Jul 2025338 PMAQI
14th Jul 2025339 PMAQI
14th Jul 20253410 PMAQI
14th Jul 20253311 PMAQI
15th Jul 20253412 AMAQI
15th Jul 2025341 AMAQI
15th Jul 2025342 AMAQI
15th Jul 2025313 AMAQI
15th Jul 2025294 AMAQI
15th Jul 2025275 AMAQI
15th Jul 2025306 AMAQI
19°C12/28°C
15th Jul 2025277 AMAQI
15th Jul 2025288 AMAQI
15th Jul 2025299 AMAQI
15th Jul 20252910 AMAQI
15th Jul 20253011 AMAQI
15th Jul 20253312 PMAQI
15th Jul 2025331 PMAQI
15th Jul 2025322 PMAQI
15th Jul 2025323 PMAQI
15th Jul 2025334 PMAQI
15th Jul 2025335 PMAQI
15th Jul 2025366 PMAQI
15th Jul 2025357 PMAQI
15th Jul 2025368 PMAQI
15th Jul 2025349 PMAQI
15th Jul 20253310 PMAQI
15th Jul 20253311 PMAQI
16th Jul 20253212 AMAQI
16th Jul 2025321 AMAQI
16th Jul 2025332 AMAQI
16th Jul 2025353 AMAQI
16th Jul 2025364 AMAQI
16th Jul 2025385 AMAQI
16th Jul 2025356 AMAQI
20°C12/30°C
16th Jul 2025357 AMAQI
16th Jul 2025358 AMAQI
16th Jul 2025369 AMAQI
16th Jul 20253610 AMAQI
16th Jul 20253911 AMAQI
16th Jul 20254012 PMAQI
16th Jul 2025371 PMAQI
16th Jul 2025382 PMAQI
16th Jul 2025363 PMAQI
16th Jul 2025364 PMAQI
16th Jul 2025355 PMAQI
16th Jul 2025356 PMAQI
16th Jul 2025337 PMAQI
16th Jul 2025338 PMAQI
16th Jul 2025349 PMAQI
16th Jul 20253910 PMAQI
16th Jul 20253711 PMAQI
17th Jul 20253612 AMAQI
17th Jul 2025361 AMAQI
17th Jul 2025372 AMAQI
17th Jul 2025383 AMAQI
17th Jul 2025384 AMAQI
17th Jul 2025425 AMAQI
17th Jul 2025386 AMAQI
24°C15/32°C
17th Jul 2025367 AMAQI
17th Jul 2025348 AMAQI
17th Jul 2025349 AMAQI
17th Jul 20253410 AMAQI
17th Jul 20253611 AMAQI
17th Jul 20253712 PMAQI
17th Jul 2025371 PMAQI
17th Jul 2025362 PMAQI
17th Jul 2025363 PMAQI
17th Jul 2025354 PMAQI
17th Jul 2025355 PMAQI
17th Jul 2025366 PMAQI
17th Jul 2025367 PMAQI
17th Jul 2025368 PMAQI
17th Jul 2025369 PMAQI
17th Jul 20253710 PMAQI
17th Jul 20253711 PMAQI
18th Jul 20253712 AMAQI
18th Jul 2025371 AMAQI
18th Jul 2025372 AMAQI
18th Jul 2025343 AMAQI
18th Jul 2025284 AMAQI
18th Jul 2025255 AMAQI
18th Jul 2025276 AMAQI
24°C15/32°C
18th Jul 2025287 AMAQI
18th Jul 2025308 AMAQI
18th Jul 2025319 AMAQI
18th Jul 20252810 AMAQI
18th Jul 20253011 AMAQI
18th Jul 20253012 PMAQI
18th Jul 2025301 PMAQI
18th Jul 2025312 PMAQI
18th Jul 2025313 PMAQI
18th Jul 2025304 PMAQI
18th Jul 2025305 PMAQI
18th Jul 2025326 PMAQI
18th Jul 2025327 PMAQI
18th Jul 2025318 PMAQI
18th Jul 2025319 PMAQI
18th Jul 20253210 PMAQI
18th Jul 20253311 PMAQI
19th Jul 20253312 AMAQI
19th Jul 2025321 AMAQI
19th Jul 2025322 AMAQI
19th Jul 2025303 AMAQI
19th Jul 2025224 AMAQI
19th Jul 2025225 AMAQI
19th Jul 2025246 AMAQI
18°C13/25°C
19th Jul 2025257 AMAQI
19th Jul 2025288 AMAQI
19th Jul 2025239 AMAQI
19th Jul 20252510 AMAQI
19th Jul 20252411 AMAQI
19th Jul 20252212 PMAQI
19th Jul 2025221 PMAQI
19th Jul 2025252 PMAQI
19th Jul 2025263 PMAQI
19th Jul 2025264 PMAQI
19th Jul 2025255 PMAQI
19th Jul 2025256 PMAQI
19th Jul 2025267 PMAQI
19th Jul 2025278 PMAQI
19th Jul 2025269 PMAQI
19th Jul 20252710 PMAQI
19th Jul 20252711 PMAQI
20th Jul 20252712 AMAQI
20th Jul 2025271 AMAQI
20th Jul 2025272 AMAQI
20th Jul 2025273 AMAQI
20th Jul 2025264 AMAQI
20th Jul 2025255 AMAQI
20th Jul 2025276 AMAQI
17°C12/25°C
20th Jul 2025267 AMAQI
20th Jul 2025268 AMAQI
20th Jul 2025259 AMAQI
20th Jul 20252610 AMAQI
20th Jul 20252211 AMAQI
20th Jul 20252412 PMAQI
20th Jul 2025271 PMAQI
20th Jul 2025262 PMAQI
20th Jul 2025253 PMAQI
20th Jul 2025234 PMAQI
20th Jul 2025235 PMAQI
20th Jul 2025246 PMAQI
20th Jul 2025257 PMAQI
20th Jul 2025238 PMAQI
20th Jul 2025249 PMAQI
20th Jul 20252610 PMAQI
20th Jul 20252611 PMAQI
21st Jul 20252612 AMAQI
21st Jul 2025261 AMAQI
21st Jul 2025252 AMAQI
21st Jul 2025233 AMAQI
21st Jul 2025204 AMAQI
21st Jul 2025215 AMAQI
21st Jul 2025226 AMAQI
16°C10/23°C
21st Jul 2025237 AMAQI
21st Jul 2025248 AMAQI
21st Jul 2025239 AMAQI
21st Jul 20252410 AMAQI
21st Jul 20252011 AMAQI
21st Jul 20252112 PMAQI
21st Jul 2025231 PMAQI
21st Jul 2025232 PMAQI
21st Jul 2025223 PMAQI
21st Jul 2025224 PMAQI
21st Jul 2025225 PMAQI
21st Jul 2025216 PMAQI
21st Jul 2025227 PMAQI
21st Jul 2025218 PMAQI
21st Jul 2025229 PMAQI
21st Jul 20252410 PMAQI
21st Jul 20252311 PMAQI
22nd Jul 20252412 AMAQI
22nd Jul 2025241 AMAQI
22nd Jul 2025242 AMAQI
22nd Jul 2025233 AMAQI
22nd Jul 2025214 AMAQI
22nd Jul 2025275 AMAQI
22nd Jul 2025266 AMAQI
16°C8/25°C
22nd Jul 2025257 AMAQI
22nd Jul 2025218 AMAQI
22nd Jul 2025219 AMAQI
22nd Jul 20252210 AMAQI
22nd Jul 20252311 AMAQI
22nd Jul 20252412 PMAQI
22nd Jul 2025241 PMAQI
22nd Jul 2025252 PMAQI
22nd Jul 2025253 PMAQI
22nd Jul 2025244 PMAQI
22nd Jul 2025225 PMAQI
22nd Jul 2025216 PMAQI
22nd Jul 2025217 PMAQI
22nd Jul 2025228 PMAQI
22nd Jul 2025239 PMAQI
22nd Jul 20252510 PMAQI
22nd Jul 20252511 PMAQI
23rd Jul 20252612 AMAQI
23rd Jul 2025261 AMAQI
23rd Jul 2025252 AMAQI
23rd Jul 2025253 AMAQI
23rd Jul 2025264 AMAQI
23rd Jul 2025255 AMAQI
23rd Jul 2025246 AMAQI
18°C10/27°C
23rd Jul 2025257 AMAQI
23rd Jul 2025238 AMAQI
23rd Jul 2025239 AMAQI
23rd Jul 20252310 AMAQI
23rd Jul 20252311 AMAQI
23rd Jul 20252512 PMAQI
23rd Jul 2025251 PMAQI
23rd Jul 2025252 PMAQI
23rd Jul 2025243 PMAQI
23rd Jul 2025264 PMAQI
23rd Jul 2025275 PMAQI
23rd Jul 2025276 PMAQI
23rd Jul 2025287 PMAQI
23rd Jul 2025298 PMAQI
23rd Jul 2025269 PMAQI
23rd Jul 20252510 PMAQI
23rd Jul 20252511 PMAQI
24th Jul 20252512 AMAQI
24th Jul 2025251 AMAQI
24th Jul 2025252 AMAQI
24th Jul 2025233 AMAQI
24th Jul 2025204 AMAQI
24th Jul 2025235 AMAQI
24th Jul 2025216 AMAQI
17°C10/25°C
24th Jul 2025217 AMAQI
24th Jul 2025228 AMAQI
24th Jul 2025209 AMAQI
24th Jul 20252210 AMAQI
24th Jul 20252411 AMAQI
24th Jul 20252512 PMAQI
24th Jul 2025241 PMAQI
24th Jul 2025212 PMAQI
24th Jul 2025203 PMAQI
24th Jul 2025204 PMAQI
24th Jul 2025215 PMAQI
24th Jul 2025216 PMAQI
24th Jul 2025227 PMAQI
24th Jul 2025218 PMAQI
24th Jul 2025239 PMAQI
24th Jul 20252510 PMAQI
24th Jul 20252511 PMAQI
25th Jul 20252412 AMAQI
25th Jul 2025231 AMAQI
25th Jul 2025252 AMAQI
25th Jul 2025263 AMAQI
25th Jul 2025224 AMAQI
25th Jul 2025225 AMAQI
25th Jul 2025216 AMAQI
14°C7/22°C
25th Jul 2025227 AMAQI
25th Jul 2025218 AMAQI
25th Jul 2025219 AMAQI
25th Jul 20252110 AMAQI
25th Jul 20252211 AMAQI
25th Jul 20252412 PMAQI
25th Jul 2025261 PMAQI
25th Jul 2025252 PMAQI
25th Jul 2025243 PMAQI
25th Jul 2025244 PMAQI
25th Jul 2025235 PMAQI
25th Jul 2025236 PMAQI
25th Jul 2025237 PMAQI
25th Jul 2025248 PMAQI
25th Jul 2025249 PMAQI
25th Jul 20252510 PMAQI
25th Jul 20252511 PMAQI
26th Jul 20252512 AMAQI
26th Jul 2025251 AMAQI
26th Jul 2025262 AMAQI
26th Jul 2025273 AMAQI
26th Jul 2025334 AMAQI
26th Jul 2025345 AMAQI
26th Jul 2025356 AMAQI
16°C7/26°C
26th Jul 2025367 AMAQI
26th Jul 2025368 AMAQI
26th Jul 2025419 AMAQI
26th Jul 20253310 AMAQI
26th Jul 20253211 AMAQI
26th Jul 20253012 PMAQI
26th Jul 2025311 PMAQI
26th Jul 2025322 PMAQI
26th Jul 2025313 PMAQI
26th Jul 2025294 PMAQI
26th Jul 2025295 PMAQI
26th Jul 2025306 PMAQI
26th Jul 2025297 PMAQI
26th Jul 2025288 PMAQI
26th Jul 2025299 PMAQI
26th Jul 20253210 PMAQI
26th Jul 20253111 PMAQI
27th Jul 20253112 AMAQI
27th Jul 2025311 AMAQI
27th Jul 2025322 AMAQI
27th Jul 2025353 AMAQI
27th Jul 2025334 AMAQI
27th Jul 2025325 AMAQI
27th Jul 2025306 AMAQI
18°C9/28°C
27th Jul 2025307 AMAQI
27th Jul 2025308 AMAQI
27th Jul 2025309 AMAQI
27th Jul 20252910 AMAQI
27th Jul 20252611 AMAQI
27th Jul 20252612 PMAQI
27th Jul 2025291 PMAQI
27th Jul 2025322 PMAQI
27th Jul 2025293 PMAQI
27th Jul 2025294 PMAQI
27th Jul 2025285 PMAQI
27th Jul 2025286 PMAQI
27th Jul 2025297 PMAQI
27th Jul 2025308 PMAQI
27th Jul 2025339 PMAQI
27th Jul 20253310 PMAQI
27th Jul 20253311 PMAQI
28th Jul 20253312 AMAQI
28th Jul 2025331 AMAQI
28th Jul 2025312 AMAQI
28th Jul 2025293 AMAQI
28th Jul 2025334 AMAQI
28th Jul 2025335 AMAQI
28th Jul 2025316 AMAQI
19°C12/29°C
28th Jul 2025307 AMAQI
28th Jul 2025258 AMAQI
28th Jul 2025319 AMAQI
28th Jul 20253210 AMAQI
28th Jul 20253311 AMAQI
28th Jul 20252512 PMAQI
28th Jul 2025261 PMAQI
28th Jul 2025292 PMAQI
28th Jul 2025263 PMAQI
28th Jul 2025254 PMAQI
28th Jul 2025245 PMAQI
28th Jul 2025256 PMAQI
28th Jul 2025257 PMAQI
28th Jul 2025258 PMAQI
28th Jul 2025279 PMAQI
28th Jul 20253110 PMAQI
28th Jul 20253111 PMAQI
29th Jul 20253112 AMAQI
29th Jul 2025311 AMAQI
29th Jul 2025302 AMAQI
29th Jul 2025283 AMAQI
29th Jul 2025214 AMAQI
29th Jul 2025195 AMAQI
29th Jul 2025216 AMAQI
17°C10/26°C
29th Jul 2025197 AMAQI
29th Jul 2025208 AMAQI
29th Jul 2025229 AMAQI
29th Jul 20252310 AMAQI
29th Jul 20252411 AMAQI
29th Jul 20252312 PMAQI
29th Jul 2025231 PMAQI
29th Jul 2025232 PMAQI
29th Jul 2025243 PMAQI
29th Jul 2025244 PMAQI
29th Jul 2025245 PMAQI
29th Jul 2025246 PMAQI
29th Jul 2025247 PMAQI
29th Jul 2025258 PMAQI
29th Jul 2025259 PMAQI
29th Jul 20252610 PMAQI
29th Jul 20252711 PMAQI
30th Jul 20252712 AMAQI
30th Jul 2025261 AMAQI
30th Jul 2025262 AMAQI
30th Jul 2025273 AMAQI
30th Jul 2025244 AMAQI
30th Jul 2025245 AMAQI
30th Jul 2025256 AMAQI
17°C8/27°C
30th Jul 2025267 AMAQI
30th Jul 2025258 AMAQI
30th Jul 2025249 AMAQI
30th Jul 20252510 AMAQI
30th Jul 20252611 AMAQI
30th Jul 20252312 PMAQI
30th Jul 2025211 PMAQI
30th Jul 2025222 PMAQI
30th Jul 2025213 PMAQI
30th Jul 2025214 PMAQI
30th Jul 2025215 PMAQI
30th Jul 2025226 PMAQI
30th Jul 2025227 PMAQI
30th Jul 2025228 PMAQI
30th Jul 2025219 PMAQI
30th Jul 20252110 PMAQI
30th Jul 20252211 PMAQI
31st Jul 20252112 AMAQI
31st Jul 2025211 AMAQI
31st Jul 2025232 AMAQI
31st Jul 2025243 AMAQI
31st Jul 2025224 AMAQI
31st Jul 2025205 AMAQI
31st Jul 2025206 AMAQI
18°C9/29°C
31st Jul 2025207 AMAQI
31st Jul 2025228 AMAQI
31st Jul 2025239 AMAQI
31st Jul 20252310 AMAQI
31st Jul 20252311 AMAQI
31st Jul 20252512 PMAQI
31st Jul 2025231 PMAQI
31st Jul 2025242 PMAQI
31st Jul 2025273 PMAQI
31st Jul 2025244 PMAQI
31st Jul 2025275 PMAQI
31st Jul 2025276 PMAQI
31st Jul 2025257 PMAQI
31st Jul 2025228 PMAQI
31st Jul 2025249 PMAQI
31st Jul 20252310 PMAQI
31st Jul 20252211 PMAQI
1st Aug 20252312 AMAQI
1st Aug 2025241 AMAQI
1st Aug 2025292 AMAQI
1st Aug 2025343 AMAQI
1st Aug 2025334 AMAQI
1st Aug 2025285 AMAQI
1st Aug 2025276 AMAQI
19°C11/30°C
1st Aug 2025307 AMAQI
1st Aug 2025318 AMAQI
1st Aug 2025319 AMAQI
1st Aug 20253110 AMAQI
1st Aug 20253311 AMAQI
1st Aug 20252812 PMAQI
1st Aug 2025311 PMAQI
1st Aug 2025312 PMAQI
1st Aug 2025323 PMAQI
1st Aug 2025324 PMAQI
1st Aug 2025345 PMAQI
1st Aug 2025336 PMAQI
1st Aug 2025367 PMAQI
1st Aug 2025348 PMAQI
1st Aug 2025329 PMAQI
1st Aug 20253210 PMAQI
1st Aug 20253111 PMAQI
2nd Aug 20253012 AMAQI
2nd Aug 2025311 AMAQI
2nd Aug 2025272 AMAQI
2nd Aug 2025303 AMAQI
2nd Aug 2025294 AMAQI
2nd Aug 2025265 AMAQI
2nd Aug 2025336 AMAQI
19°C12/29°C
2nd Aug 2025337 AMAQI
2nd Aug 2025378 AMAQI
2nd Aug 2025369 AMAQI
2nd Aug 20252910 AMAQI
2nd Aug 20253111 AMAQI
2nd Aug 20252812 PMAQI
2nd Aug 2025301 PMAQI
2nd Aug 2025292 PMAQI
2nd Aug 2025273 PMAQI
2nd Aug 2025274 PMAQI
2nd Aug 2025275 PMAQI
2nd Aug 2025296 PMAQI
2nd Aug 2025347 PMAQI
2nd Aug 2025358 PMAQI
2nd Aug 2025299 PMAQI
2nd Aug 20252910 PMAQI
2nd Aug 20253011 PMAQI
3rd Aug 20252912 AMAQI
3rd Aug 2025281 AMAQI
3rd Aug 2025282 AMAQI
3rd Aug 2025293 AMAQI
3rd Aug 2025314 AMAQI
3rd Aug 2025315 AMAQI
3rd Aug 2025276 AMAQI
20°C11/30°C
3rd Aug 2025327 AMAQI
3rd Aug 2025328 AMAQI
3rd Aug 2025349 AMAQI
3rd Aug 20253510 AMAQI
3rd Aug 20253911 AMAQI
3rd Aug 20253612 PMAQI
3rd Aug 2025351 PMAQI
3rd Aug 2025342 PMAQI
3rd Aug 2025323 PMAQI
3rd Aug 2025304 PMAQI
3rd Aug 2025325 PMAQI
3rd Aug 2025336 PMAQI
3rd Aug 2025357 PMAQI
3rd Aug 2025378 PMAQI
3rd Aug 2025329 PMAQI
3rd Aug 20253010 PMAQI
3rd Aug 20253111 PMAQI
4th Aug 20253112 AMAQI
4th Aug 2025311 AMAQI
4th Aug 2025342 AMAQI
4th Aug 2025323 AMAQI
4th Aug 2025414 AMAQI
4th Aug 2025365 AMAQI
4th Aug 2025386 AMAQI
22°C13/32°C
4th Aug 2025347 AMAQI
4th Aug 2025318 AMAQI
4th Aug 2025399 AMAQI
4th Aug 20254110 AMAQI
4th Aug 20254311 AMAQI
4th Aug 20253912 PMAQI
4th Aug 2025401 PMAQI
4th Aug 2025362 PMAQI
4th Aug 2025333 PMAQI
4th Aug 2025354 PMAQI
4th Aug 2025355 PMAQI
4th Aug 2025396 PMAQI
4th Aug 2025387 PMAQI
4th Aug 2025388 PMAQI
4th Aug 2025359 PMAQI
4th Aug 20253410 PMAQI
4th Aug 20253211 PMAQI
5th Aug 20253312 AMAQI
5th Aug 2025341 AMAQI
5th Aug 2025372 AMAQI
5th Aug 2025393 AMAQI
5th Aug 2025484 AMAQI
5th Aug 2025475 AMAQI
5th Aug 2025526 AMAQI
25°C16/35°C
5th Aug 2025517 AMAQI
7 AM5th Aug 2025548 AMAQI
5th Aug 2025489 AMAQI
5th Aug 20255010 AMAQI
5th Aug 20254911 AMAQI
5th Aug 20254912 PMAQI
5th Aug 2025461 PMAQI
5th Aug 2025402 PMAQI
2 PM9 PM
2 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
7 AM - 9 PM
29AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
7 AM - 9 PM
29AQI
15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 9 PM (Avg. 29), while the lowest AQI was between 7 AM to 9 PM (Avg. 29).
Night time
Avg. Highest Time
12 AM - 11 PM
29AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
29AQI
9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 29), while the lowest AQI was between 12 AM to 11 PM (Avg. 29).
2025 Days Vs Air Quality
Leon, Castille Leon, Spain
2025
97%
210
3%
6
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
210 DaysModerate
6 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2025, 97% of 217 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 2025
AQI
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.
1st January 2025
59AQI
59AQI
2nd January 2025
59AQI
59AQI
3rd January 2025
58AQI
58AQI
4th January 2025
52AQI
52AQI
5th January 2025
29AQI
29AQI
6th January 2025
27AQI
27AQI
7th January 2025
25AQI
25AQI
8th January 2025
34AQI
34AQI
9th January 2025
30AQI
30AQI
10th January 2025
30AQI
30AQI
11th January 2025
27AQI
27AQI
12th January 2025
28AQI
28AQI
13th January 2025
34AQI
34AQI
14th January 2025
46AQI
46AQI
15th January 2025
47AQI
47AQI
16th January 2025
45AQI
45AQI
17th January 2025
37AQI
37AQI
18th January 2025
38AQI
38AQI
19th January 2025
45AQI
45AQI
20th January 2025
39AQI
39AQI
21st January 2025
36AQI
36AQI
22nd January 2025
28AQI
28AQI
23rd January 2025
28AQI
28AQI
24th January 2025
28AQI
28AQI
25th January 2025
26AQI
26AQI
26th January 2025
29AQI
29AQI
27th January 2025
28AQI
28AQI
28th January 2025
28AQI
28AQI
29th January 2025
27AQI
27AQI
30th January 2025
29AQI
29AQI
31st January 2025
32AQI
32AQI
1st February 2025
34AQI
34AQI
2nd February 2025
32AQI
32AQI
3rd February 2025
27AQI
27AQI
4th February 2025
30AQI
30AQI
5th February 2025
40AQI
40AQI
6th February 2025
46AQI
46AQI
7th February 2025
41AQI
41AQI
8th February 2025
29AQI
29AQI
9th February 2025
32AQI
32AQI
10th February 2025
39AQI
39AQI
11th February 2025
36AQI
36AQI
12th February 2025
29AQI
29AQI
13th February 2025
27AQI
27AQI
14th February 2025
28AQI
28AQI
15th February 2025
21AQI
21AQI
16th February 2025
37AQI
37AQI
17th February 2025
29AQI
29AQI
18th February 2025
35AQI
35AQI
19th February 2025
39AQI
39AQI
20th February 2025
38AQI
38AQI
21st February 2025
29AQI
29AQI
22nd February 2025
21AQI
21AQI
23rd February 2025
25AQI
25AQI
24th February 2025
30AQI
30AQI
25th February 2025
29AQI
29AQI
26th February 2025
29AQI
29AQI
27th February 2025
27AQI
27AQI
28th February 2025
24AQI
24AQI
1st March 2025
23AQI
23AQI
2nd March 2025
24AQI
24AQI
3rd March 2025
24AQI
24AQI
4th March 2025
29AQI
29AQI
5th March 2025
26AQI
26AQI
6th March 2025
23AQI
23AQI
7th March 2025
22AQI
22AQI
8th March 2025
24AQI
24AQI
9th March 2025
25AQI
25AQI
10th March 2025
25AQI
25AQI
11th March 2025
22AQI
22AQI
12th March 2025
21AQI
21AQI
13th March 2025
21AQI
21AQI
14th March 2025
21AQI
21AQI
15th March 2025
23AQI
23AQI
16th March 2025
20AQI
20AQI
17th March 2025
26AQI
26AQI
18th March 2025
24AQI
24AQI
19th March 2025
30AQI
30AQI
20th March 2025
30AQI
30AQI
21st March 2025
22AQI
22AQI
22nd March 2025
20AQI
20AQI
23rd March 2025
19AQI
19AQI
24th March 2025
21AQI
21AQI
25th March 2025
22AQI
22AQI
26th March 2025
25AQI
25AQI
27th March 2025
28AQI
28AQI
28th March 2025
29AQI
29AQI
29th March 2025
20AQI
20AQI
30th March 2025
20AQI
20AQI
31st March 2025
23AQI
23AQI
1st April 2025
23AQI
23AQI
2nd April 2025
37AQI
37AQI
3rd April 2025
19AQI
19AQI
4th April 2025
22AQI
22AQI
5th April 2025
16AQI
16AQI
6th April 2025
16AQI
16AQI
7th April 2025
22AQI
22AQI
8th April 2025
28AQI
28AQI
9th April 2025
23AQI
23AQI
10th April 2025
28AQI
28AQI
11th April 2025
30AQI
30AQI
12th April 2025
24AQI
24AQI
13th April 2025
17AQI
17AQI
14th April 2025
17AQI
17AQI
15th April 2025
11AQI
11AQI
16th April 2025
12AQI
12AQI
17th April 2025
14AQI
14AQI
18th April 2025
14AQI
14AQI
19th April 2025
11AQI
11AQI
20th April 2025
14AQI
14AQI
21st April 2025
15AQI
15AQI
22nd April 2025
16AQI
16AQI
23rd April 2025
16AQI
16AQI
24th April 2025
17AQI
17AQI
25th April 2025
19AQI
19AQI
26th April 2025
14AQI
14AQI
27th April 2025
15AQI
15AQI
28th April 2025
17AQI
17AQI
29th April 2025
20AQI
20AQI
30th April 2025
19AQI
19AQI
1st May 2025
18AQI
18AQI
2nd May 2025
21AQI
21AQI
3rd May 2025
22AQI
22AQI
4th May 2025
23AQI
23AQI
5th May 2025
24AQI
24AQI
6th May 2025
17AQI
17AQI
7th May 2025
19AQI
19AQI
8th May 2025
21AQI
21AQI
9th May 2025
20AQI
20AQI
10th May 2025
16AQI
16AQI
11th May 2025
19AQI
19AQI
12th May 2025
20AQI
20AQI
13th May 2025
17AQI
17AQI
14th May 2025
19AQI
19AQI
15th May 2025
17AQI
17AQI
16th May 2025
19AQI
19AQI
17th May 2025
21AQI
21AQI
18th May 2025
22AQI
22AQI
19th May 2025
18AQI
18AQI
20th May 2025
19AQI
19AQI
21st May 2025
23AQI
23AQI
22nd May 2025
15AQI
15AQI
23rd May 2025
18AQI
18AQI
24th May 2025
18AQI
18AQI
25th May 2025
20AQI
20AQI
26th May 2025
18AQI
18AQI
27th May 2025
20AQI
20AQI
28th May 2025
23AQI
23AQI
29th May 2025
25AQI
25AQI
30th May 2025
33AQI
33AQI
31st May 2025
35AQI
35AQI
1st June 2025
37AQI
37AQI
2nd June 2025
18AQI
18AQI
3rd June 2025
23AQI
23AQI
4th June 2025
20AQI
20AQI
5th June 2025
19AQI
19AQI
6th June 2025
19AQI
19AQI
7th June 2025
18AQI
18AQI
8th June 2025
45AQI
45AQI
9th June 2025
55AQI
55AQI
10th June 2025
52AQI
52AQI
11th June 2025
42AQI
42AQI
12th June 2025
45AQI
45AQI
13th June 2025
38AQI
38AQI
14th June 2025
30AQI
30AQI
15th June 2025
27AQI
27AQI
16th June 2025
29AQI
29AQI
17th June 2025
39AQI
39AQI
18th June 2025
43AQI
43AQI
19th June 2025
47AQI
47AQI
20th June 2025
46AQI
46AQI
21st June 2025
45AQI
45AQI
22nd June 2025
45AQI
45AQI
23rd June 2025
44AQI
44AQI
24th June 2025
44AQI
44AQI
25th June 2025
39AQI
39AQI
26th June 2025
33AQI
33AQI
27th June 2025
31AQI
31AQI
28th June 2025
34AQI
34AQI
29th June 2025
34AQI
34AQI
30th June 2025
35AQI
35AQI
1st July 2025
36AQI
36AQI
2nd July 2025
38AQI
38AQI
3rd July 2025
31AQI
31AQI
4th July 2025
33AQI
33AQI
5th July 2025
32AQI
32AQI
6th July 2025
30AQI
30AQI
7th July 2025
22AQI
22AQI
8th July 2025
21AQI
21AQI
9th July 2025
21AQI
21AQI
10th July 2025
25AQI
25AQI
11th July 2025
31AQI
31AQI
12th July 2025
29AQI
29AQI
13th July 2025
30AQI
30AQI
14th July 2025
32AQI
32AQI
15th July 2025
30AQI
30AQI
16th July 2025
34AQI
34AQI
17th July 2025
35AQI
35AQI
18th July 2025
29AQI
29AQI
19th July 2025
23AQI
23AQI
20th July 2025
22AQI
22AQI
21st July 2025
19AQI
19AQI
22nd July 2025
20AQI
20AQI
23rd July 2025
22AQI
22AQI
24th July 2025
19AQI
19AQI
25th July 2025
20AQI
20AQI
26th July 2025
28AQI
28AQI
27th July 2025
28AQI
28AQI
28th July 2025
27AQI
27AQI
29th July 2025
22AQI
22AQI
30th July 2025
21AQI
21AQI
31st July 2025
21AQI
21AQI
1st August 2025
30AQI
30AQI
2nd August 2025
29AQI
29AQI
3rd August 2025
32AQI
32AQI
4th August 2025
36AQI
36AQI
36AQI
32AQI
24AQI
19AQI
21AQI
36AQI
27AQI
32AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202528AQI
27
4
28
31
30
31
28
2
31
4
210
6
Highest AQI recorded in
June36AQI
Lowest AQI recorded in
April19AQI
202432AQI
22
9
23
6
30
1
30
31
30
31
31
29
1
31
29
1
28
3
345
21
Highest AQI recorded in
February43AQI
Lowest AQI recorded in
October25AQI
202334AQI
25
6
20
8
31
29
1
31
30
31
30
1
24
6
31
26
3
31
339
25
Highest AQI recorded in
February46AQI
Lowest AQI recorded in
July28AQI
202238AQI
18
11
1
17
6
24
5
1
1
30
31
25
5
16
6
1
1
1
29
28
3
29
1
31
279
37
3
1
1
Highest AQI recorded in
January52AQI
Lowest AQI recorded in
September29AQI
202129AQI
30
1
24
4
30
1
29
1
31
30
27
31
29
31
23
7
25
6
340
20
Highest AQI recorded in
November40AQI
Lowest AQI recorded in
October22AQI
202026AQI
12
1
21
19
30
30
1
31
30
31
29
1
31
264
3
Highest AQI recorded in
March38AQI
Lowest AQI recorded in
October23AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
38AQILeast Polluted Year Recorded
2020(Avg.)
26AQILeon's annual 2025 AQI (28) shows an average percentage change of -12.3% (improved AQI) compared to previous years: 2020 (26), 2021 (29), 2022 (38), 2023 (34), 2024 (32).
