Zierbena, Portugalete, Basque Country, 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
Zierbena, Portugalete, Basque Country, Spain
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
12th Aug 2025
57AQILowest AQI recorded on
26th Aug 2023
4AQISame Day Analysis (12th August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 57 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 12th Aug - 13th Aug 2025
Zierbena, Portugalete, Basque Country, Spain
AQI
Day
Night
.
6 AM12th Aug 2025
9 PM
5 AM13th Aug 2025
Day time
Avg. Highest Time
8AM12th Aug
64AQI
Avg. Lowest Time
7PM12th Aug
58AQI
Night time
Avg. Highest Time
3AM13th Aug
61AQI
Avg. Lowest Time
4AM13th Aug
56AQI
In the last 24 hours,
Zierbena's AQI reached its highest point of 64 at 8 AM during the Day, while the lowest point, 56, was recorded at 4 AM during the Night between 12th Aug and 13th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Zierbena, Portugalete, Basque Country, Spain
JulAug
14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th
Day
Night
14th Jul 2025486 AMAQI
14th Jul 2025487 AMAQI
14th Jul 2025458 AMAQI
14th Jul 2025429 AMAQI
14th Jul 20254110 AMAQI
14th Jul 20253811 AMAQI
14th Jul 20253512 PMAQI
14th Jul 2025351 PMAQI
14th Jul 2025412 PMAQI
14th Jul 2025403 PMAQI
14th Jul 2025414 PMAQI
14th Jul 2025425 PMAQI
14th Jul 2025426 PMAQI
14th Jul 2025407 PMAQI
14th Jul 2025408 PMAQI
14th Jul 2025419 PMAQI
14th Jul 20254210 PMAQI
14th Jul 20254311 PMAQI
15th Jul 20254212 AMAQI
15th Jul 2025431 AMAQI
15th Jul 2025382 AMAQI
15th Jul 2025343 AMAQI
15th Jul 2025374 AMAQI
15th Jul 2025315 AMAQI
20°C18/22°C
15th Jul 2025356 AMAQI
15th Jul 2025347 AMAQI
15th Jul 2025358 AMAQI
15th Jul 2025349 AMAQI
15th Jul 20253510 AMAQI
15th Jul 20253711 AMAQI
15th Jul 20253812 PMAQI
15th Jul 2025361 PMAQI
15th Jul 2025342 PMAQI
15th Jul 2025343 PMAQI
15th Jul 2025334 PMAQI
15th Jul 2025365 PMAQI
15th Jul 2025346 PMAQI
15th Jul 2025347 PMAQI
15th Jul 2025348 PMAQI
15th Jul 2025369 PMAQI
15th Jul 20253710 PMAQI
15th Jul 20253611 PMAQI
16th Jul 20253612 AMAQI
16th Jul 2025361 AMAQI
16th Jul 2025372 AMAQI
16th Jul 2025373 AMAQI
16th Jul 2025364 AMAQI
16th Jul 2025365 AMAQI
20°C17/24°C
16th Jul 2025386 AMAQI
16th Jul 2025377 AMAQI
16th Jul 2025378 AMAQI
16th Jul 2025379 AMAQI
16th Jul 20253710 AMAQI
16th Jul 20253811 AMAQI
16th Jul 20253512 PMAQI
16th Jul 2025351 PMAQI
16th Jul 2025372 PMAQI
16th Jul 2025383 PMAQI
16th Jul 2025384 PMAQI
16th Jul 2025385 PMAQI
16th Jul 2025396 PMAQI
16th Jul 2025387 PMAQI
16th Jul 2025368 PMAQI
16th Jul 2025369 PMAQI
16th Jul 20253810 PMAQI
16th Jul 20253811 PMAQI
17th Jul 20253912 AMAQI
17th Jul 2025381 AMAQI
17th Jul 2025402 AMAQI
17th Jul 2025413 AMAQI
17th Jul 2025424 AMAQI
17th Jul 2025445 AMAQI
21°C17/27°C
17th Jul 2025446 AMAQI
17th Jul 2025427 AMAQI
17th Jul 2025398 AMAQI
17th Jul 2025399 AMAQI
17th Jul 20254210 AMAQI
17th Jul 20254211 AMAQI
17th Jul 20254312 PMAQI
17th Jul 2025421 PMAQI
17th Jul 2025422 PMAQI
17th Jul 2025433 PMAQI
17th Jul 2025424 PMAQI
17th Jul 2025425 PMAQI
17th Jul 2025446 PMAQI
17th Jul 2025447 PMAQI
17th Jul 2025438 PMAQI
17th Jul 2025429 PMAQI
17th Jul 20254210 PMAQI
17th Jul 20254011 PMAQI
18th Jul 20254012 AMAQI
18th Jul 2025401 AMAQI
18th Jul 2025362 AMAQI
18th Jul 2025313 AMAQI
18th Jul 2025284 AMAQI
18th Jul 2025295 AMAQI
21°C18/26°C
18th Jul 2025346 AMAQI
18th Jul 2025367 AMAQI
18th Jul 2025358 AMAQI
18th Jul 2025349 AMAQI
18th Jul 20253610 AMAQI
18th Jul 20253611 AMAQI
18th Jul 20253712 PMAQI
18th Jul 2025331 PMAQI
18th Jul 2025402 PMAQI
18th Jul 2025443 PMAQI
18th Jul 2025464 PMAQI
18th Jul 2025405 PMAQI
18th Jul 2025456 PMAQI
18th Jul 2025387 PMAQI
18th Jul 2025408 PMAQI
18th Jul 2025349 PMAQI
18th Jul 20253510 PMAQI
18th Jul 20253511 PMAQI
19th Jul 20253912 AMAQI
19th Jul 2025351 AMAQI
19th Jul 2025312 AMAQI
19th Jul 2025303 AMAQI
19th Jul 2025304 AMAQI
19th Jul 2025255 AMAQI
20°C18/22°C
19th Jul 2025316 AMAQI
19th Jul 2025327 AMAQI
19th Jul 2025318 AMAQI
19th Jul 2025309 AMAQI
19th Jul 20253210 AMAQI
19th Jul 20253011 AMAQI
19th Jul 20252712 PMAQI
19th Jul 2025271 PMAQI
19th Jul 2025282 PMAQI
19th Jul 2025283 PMAQI
19th Jul 2025284 PMAQI
19th Jul 2025295 PMAQI
19th Jul 2025296 PMAQI
19th Jul 2025297 PMAQI
19th Jul 2025288 PMAQI
19th Jul 2025299 PMAQI
19th Jul 20253010 PMAQI
19th Jul 20253011 PMAQI
20th Jul 20253012 AMAQI
20th Jul 2025301 AMAQI
20th Jul 2025282 AMAQI
20th Jul 2025263 AMAQI
20th Jul 2025284 AMAQI
20th Jul 2025305 AMAQI
20°C18/23°C
20th Jul 2025286 AMAQI
20th Jul 2025287 AMAQI
20th Jul 2025288 AMAQI
20th Jul 2025289 AMAQI
20th Jul 20252710 AMAQI
20th Jul 20252711 AMAQI
20th Jul 20252812 PMAQI
20th Jul 2025261 PMAQI
20th Jul 2025262 PMAQI
20th Jul 2025273 PMAQI
20th Jul 2025264 PMAQI
20th Jul 2025285 PMAQI
20th Jul 2025266 PMAQI
20th Jul 2025267 PMAQI
20th Jul 2025278 PMAQI
20th Jul 2025279 PMAQI
20th Jul 20252810 PMAQI
20th Jul 20252811 PMAQI
21st Jul 20252812 AMAQI
21st Jul 2025281 AMAQI
21st Jul 2025262 AMAQI
21st Jul 2025253 AMAQI
21st Jul 2025254 AMAQI
21st Jul 2025265 AMAQI
19°C17/21°C
21st Jul 2025276 AMAQI
21st Jul 2025287 AMAQI
21st Jul 2025268 AMAQI
21st Jul 2025279 AMAQI
21st Jul 20252710 AMAQI
21st Jul 20252511 AMAQI
21st Jul 20252512 PMAQI
21st Jul 2025241 PMAQI
21st Jul 2025242 PMAQI
21st Jul 2025253 PMAQI
21st Jul 2025244 PMAQI
21st Jul 2025265 PMAQI
21st Jul 2025266 PMAQI
21st Jul 2025257 PMAQI
21st Jul 2025268 PMAQI
21st Jul 2025249 PMAQI
21st Jul 20252510 PMAQI
21st Jul 20252611 PMAQI
22nd Jul 20252612 AMAQI
22nd Jul 2025251 AMAQI
22nd Jul 2025242 AMAQI
22nd Jul 2025243 AMAQI
22nd Jul 2025224 AMAQI
22nd Jul 2025215 AMAQI
19°C16/23°C
22nd Jul 2025226 AMAQI
22nd Jul 2025227 AMAQI
22nd Jul 2025238 AMAQI
22nd Jul 2025229 AMAQI
22nd Jul 20252410 AMAQI
22nd Jul 20252511 AMAQI
22nd Jul 20252412 PMAQI
22nd Jul 2025241 PMAQI
22nd Jul 2025222 PMAQI
22nd Jul 2025223 PMAQI
22nd Jul 2025224 PMAQI
22nd Jul 2025225 PMAQI
22nd Jul 2025226 PMAQI
22nd Jul 2025227 PMAQI
22nd Jul 2025228 PMAQI
22nd Jul 2025229 PMAQI
22nd Jul 20252210 PMAQI
22nd Jul 20252211 PMAQI
23rd Jul 20252212 AMAQI
23rd Jul 2025221 AMAQI
23rd Jul 2025212 AMAQI
23rd Jul 2025203 AMAQI
23rd Jul 2025234 AMAQI
23rd Jul 2025245 AMAQI
20°C15/25°C
23rd Jul 2025226 AMAQI
23rd Jul 2025227 AMAQI
23rd Jul 2025228 AMAQI
23rd Jul 2025239 AMAQI
23rd Jul 20252510 AMAQI
23rd Jul 20252411 AMAQI
23rd Jul 20252112 PMAQI
23rd Jul 2025221 PMAQI
23rd Jul 2025212 PMAQI
23rd Jul 2025203 PMAQI
23rd Jul 2025204 PMAQI
23rd Jul 2025215 PMAQI
23rd Jul 2025216 PMAQI
23rd Jul 2025217 PMAQI
23rd Jul 2025218 PMAQI
23rd Jul 2025219 PMAQI
23rd Jul 20252110 PMAQI
23rd Jul 20252211 PMAQI
24th Jul 20252112 AMAQI
24th Jul 2025221 AMAQI
24th Jul 2025222 AMAQI
24th Jul 2025223 AMAQI
24th Jul 2025224 AMAQI
24th Jul 2025215 AMAQI
19°C16/22°C
24th Jul 2025216 AMAQI
24th Jul 2025217 AMAQI
24th Jul 2025228 AMAQI
24th Jul 2025229 AMAQI
24th Jul 20252210 AMAQI
24th Jul 20252111 AMAQI
24th Jul 20251812 PMAQI
24th Jul 2025201 PMAQI
24th Jul 2025212 PMAQI
24th Jul 2025223 PMAQI
24th Jul 2025224 PMAQI
24th Jul 2025225 PMAQI
24th Jul 2025226 PMAQI
24th Jul 2025227 PMAQI
24th Jul 2025228 PMAQI
24th Jul 2025229 PMAQI
24th Jul 20252210 PMAQI
24th Jul 20252211 PMAQI
25th Jul 20252212 AMAQI
25th Jul 2025211 AMAQI
25th Jul 2025252 AMAQI
25th Jul 2025273 AMAQI
25th Jul 2025284 AMAQI
25th Jul 2025285 AMAQI
18°C16/21°C
25th Jul 2025276 AMAQI
25th Jul 2025257 AMAQI
25th Jul 2025278 AMAQI
25th Jul 2025269 AMAQI
25th Jul 20252510 AMAQI
25th Jul 20252611 AMAQI
25th Jul 20252812 PMAQI
25th Jul 2025281 PMAQI
25th Jul 2025282 PMAQI
25th Jul 2025283 PMAQI
25th Jul 2025284 PMAQI
25th Jul 2025285 PMAQI
25th Jul 2025286 PMAQI
25th Jul 2025287 PMAQI
25th Jul 2025288 PMAQI
25th Jul 2025289 PMAQI
25th Jul 20252810 PMAQI
25th Jul 20252811 PMAQI
26th Jul 20252812 AMAQI
26th Jul 2025281 AMAQI
26th Jul 2025302 AMAQI
26th Jul 2025303 AMAQI
26th Jul 2025314 AMAQI
26th Jul 2025305 AMAQI
18°C16/22°C
26th Jul 2025296 AMAQI
26th Jul 2025317 AMAQI
26th Jul 2025318 AMAQI
26th Jul 2025329 AMAQI
26th Jul 20253210 AMAQI
26th Jul 20253011 AMAQI
26th Jul 20253212 PMAQI
26th Jul 2025331 PMAQI
26th Jul 2025312 PMAQI
26th Jul 2025313 PMAQI
26th Jul 2025304 PMAQI
26th Jul 2025315 PMAQI
26th Jul 2025306 PMAQI
26th Jul 2025327 PMAQI
26th Jul 2025328 PMAQI
26th Jul 2025329 PMAQI
26th Jul 20253210 PMAQI
26th Jul 20253311 PMAQI
27th Jul 20253312 AMAQI
27th Jul 2025331 AMAQI
27th Jul 2025342 AMAQI
27th Jul 2025333 AMAQI
27th Jul 2025344 AMAQI
27th Jul 2025365 AMAQI
19°C15/22°C
27th Jul 2025346 AMAQI
27th Jul 2025347 AMAQI
27th Jul 2025358 AMAQI
27th Jul 2025359 AMAQI
27th Jul 20253510 AMAQI
27th Jul 20253411 AMAQI
27th Jul 20253212 PMAQI
27th Jul 2025331 PMAQI
27th Jul 2025352 PMAQI
27th Jul 2025353 PMAQI
27th Jul 2025354 PMAQI
27th Jul 2025355 PMAQI
27th Jul 2025356 PMAQI
27th Jul 2025347 PMAQI
27th Jul 2025338 PMAQI
27th Jul 2025369 PMAQI
27th Jul 20253710 PMAQI
27th Jul 20253611 PMAQI
28th Jul 20253812 AMAQI
28th Jul 2025361 AMAQI
28th Jul 2025322 AMAQI
28th Jul 2025263 AMAQI
28th Jul 2025224 AMAQI
28th Jul 2025205 AMAQI
19°C15/23°C
28th Jul 2025286 AMAQI
28th Jul 2025307 AMAQI
28th Jul 2025308 AMAQI
28th Jul 2025319 AMAQI
28th Jul 20253210 AMAQI
28th Jul 20253311 AMAQI
28th Jul 20253012 PMAQI
28th Jul 2025291 PMAQI
28th Jul 2025282 PMAQI
28th Jul 2025273 PMAQI
28th Jul 2025284 PMAQI
28th Jul 2025285 PMAQI
28th Jul 2025276 PMAQI
28th Jul 2025297 PMAQI
28th Jul 2025298 PMAQI
28th Jul 2025309 PMAQI
28th Jul 20252910 PMAQI
28th Jul 20253011 PMAQI
29th Jul 20252912 AMAQI
29th Jul 2025281 AMAQI
29th Jul 2025282 AMAQI
29th Jul 2025273 AMAQI
29th Jul 2025244 AMAQI
29th Jul 2025255 AMAQI
19°C17/21°C
29th Jul 2025276 AMAQI
29th Jul 2025277 AMAQI
29th Jul 2025278 AMAQI
29th Jul 2025289 AMAQI
29th Jul 20252710 AMAQI
29th Jul 20252811 AMAQI
29th Jul 20252912 PMAQI
29th Jul 2025261 PMAQI
29th Jul 2025262 PMAQI
29th Jul 2025253 PMAQI
29th Jul 2025264 PMAQI
29th Jul 2025245 PMAQI
29th Jul 2025256 PMAQI
29th Jul 2025267 PMAQI
29th Jul 2025278 PMAQI
29th Jul 2025269 PMAQI
29th Jul 20252710 PMAQI
29th Jul 20252711 PMAQI
30th Jul 20252712 AMAQI
30th Jul 2025271 AMAQI
30th Jul 2025262 AMAQI
30th Jul 2025273 AMAQI
30th Jul 2025254 AMAQI
30th Jul 2025255 AMAQI
19°C16/22°C
30th Jul 2025256 AMAQI
30th Jul 2025247 AMAQI
30th Jul 2025258 AMAQI
30th Jul 2025259 AMAQI
30th Jul 20252610 AMAQI
30th Jul 20252711 AMAQI
30th Jul 20252612 PMAQI
30th Jul 2025241 PMAQI
30th Jul 2025242 PMAQI
30th Jul 2025243 PMAQI
30th Jul 2025244 PMAQI
30th Jul 2025245 PMAQI
30th Jul 2025256 PMAQI
30th Jul 2025247 PMAQI
30th Jul 2025248 PMAQI
30th Jul 2025269 PMAQI
30th Jul 20252710 PMAQI
30th Jul 20252711 PMAQI
31st Jul 20252712 AMAQI
31st Jul 2025271 AMAQI
31st Jul 2025272 AMAQI
31st Jul 2025273 AMAQI
31st Jul 2025234 AMAQI
31st Jul 2025265 AMAQI
20°C17/22°C
31st Jul 2025226 AMAQI
31st Jul 2025267 AMAQI
31st Jul 2025248 AMAQI
31st Jul 2025249 AMAQI
31st Jul 20252410 AMAQI
31st Jul 20252611 AMAQI
31st Jul 20252412 PMAQI
31st Jul 2025221 PMAQI
31st Jul 2025232 PMAQI
31st Jul 2025263 PMAQI
31st Jul 2025274 PMAQI
31st Jul 2025285 PMAQI
31st Jul 2025246 PMAQI
31st Jul 2025297 PMAQI
31st Jul 2025228 PMAQI
31st Jul 2025269 PMAQI
31st Jul 20252510 PMAQI
31st Jul 20253011 PMAQI
1st Aug 20253112 AMAQI
1st Aug 2025321 AMAQI
1st Aug 2025242 AMAQI
1st Aug 2025313 AMAQI
1st Aug 2025404 AMAQI
1st Aug 2025445 AMAQI
19°C17/23°C
1st Aug 2025406 AMAQI
1st Aug 2025327 AMAQI
1st Aug 2025318 AMAQI
1st Aug 2025369 AMAQI
1st Aug 20254610 AMAQI
1st Aug 20253611 AMAQI
1st Aug 20253212 PMAQI
1st Aug 2025331 PMAQI
1st Aug 2025302 PMAQI
1st Aug 2025323 PMAQI
1st Aug 2025324 PMAQI
1st Aug 2025305 PMAQI
1st Aug 2025306 PMAQI
1st Aug 2025357 PMAQI
1st Aug 2025308 PMAQI
1st Aug 2025329 PMAQI
1st Aug 20252810 PMAQI
1st Aug 20252811 PMAQI
2nd Aug 20252812 AMAQI
2nd Aug 2025271 AMAQI
2nd Aug 2025262 AMAQI
2nd Aug 2025213 AMAQI
2nd Aug 2025244 AMAQI
2nd Aug 2025205 AMAQI
20°C17/23°C
2nd Aug 2025246 AMAQI
2nd Aug 2025237 AMAQI
2nd Aug 2025288 AMAQI
2nd Aug 2025269 AMAQI
2nd Aug 20252410 AMAQI
2nd Aug 20252211 AMAQI
2nd Aug 20252212 PMAQI
2nd Aug 2025241 PMAQI
2nd Aug 2025252 PMAQI
2nd Aug 2025263 PMAQI
2nd Aug 2025254 PMAQI
2nd Aug 2025245 PMAQI
2nd Aug 2025266 PMAQI
2nd Aug 2025287 PMAQI
2nd Aug 2025268 PMAQI
2nd Aug 2025249 PMAQI
2nd Aug 20252410 PMAQI
2nd Aug 20252411 PMAQI
3rd Aug 20252412 AMAQI
3rd Aug 2025231 AMAQI
3rd Aug 2025242 AMAQI
3rd Aug 2025243 AMAQI
3rd Aug 2025264 AMAQI
3rd Aug 2025295 AMAQI
20°C17/23°C
3rd Aug 2025306 AMAQI
3rd Aug 2025307 AMAQI
3rd Aug 2025278 AMAQI
3rd Aug 2025309 AMAQI
3rd Aug 20252910 AMAQI
3rd Aug 20252611 AMAQI
3rd Aug 20252912 PMAQI
3rd Aug 2025301 PMAQI
3rd Aug 2025302 PMAQI
3rd Aug 2025313 PMAQI
3rd Aug 2025304 PMAQI
3rd Aug 2025315 PMAQI
3rd Aug 2025286 PMAQI
3rd Aug 2025297 PMAQI
3rd Aug 2025318 PMAQI
3rd Aug 2025289 PMAQI
3rd Aug 20252710 PMAQI
3rd Aug 20252711 PMAQI
4th Aug 20252712 AMAQI
4th Aug 2025271 AMAQI
4th Aug 2025272 AMAQI
4th Aug 2025323 AMAQI
4th Aug 2025304 AMAQI
4th Aug 2025285 AMAQI
20°C16/24°C
4th Aug 2025326 AMAQI
4th Aug 2025327 AMAQI
4th Aug 2025328 AMAQI
4th Aug 2025339 AMAQI
4th Aug 20253710 AMAQI
4th Aug 20253611 AMAQI
4th Aug 20253112 PMAQI
4th Aug 2025321 PMAQI
4th Aug 2025342 PMAQI
4th Aug 2025363 PMAQI
4th Aug 2025334 PMAQI
4th Aug 2025345 PMAQI
4th Aug 2025326 PMAQI
4th Aug 2025287 PMAQI
4th Aug 2025328 PMAQI
4th Aug 2025319 PMAQI
4th Aug 20253110 PMAQI
4th Aug 20253211 PMAQI
5th Aug 20253012 AMAQI
5th Aug 2025321 AMAQI
5th Aug 2025372 AMAQI
5th Aug 2025383 AMAQI
5th Aug 2025474 AMAQI
5th Aug 2025465 AMAQI
22°C16/29°C
5th Aug 2025466 AMAQI
5th Aug 2025507 AMAQI
5th Aug 2025458 AMAQI
5th Aug 2025449 AMAQI
5th Aug 20254210 AMAQI
5th Aug 20254211 AMAQI
5th Aug 20254012 PMAQI
5th Aug 2025381 PMAQI
5th Aug 2025362 PMAQI
5th Aug 2025373 PMAQI
5th Aug 2025364 PMAQI
5th Aug 2025365 PMAQI
5th Aug 2025386 PMAQI
5th Aug 2025377 PMAQI
5th Aug 2025348 PMAQI
5th Aug 2025379 PMAQI
5th Aug 20253710 PMAQI
5th Aug 20253811 PMAQI
6th Aug 20253412 AMAQI
6th Aug 2025381 AMAQI
6th Aug 2025272 AMAQI
6th Aug 2025263 AMAQI
6th Aug 2025294 AMAQI
6th Aug 2025295 AMAQI
20°C17/24°C
6th Aug 2025346 AMAQI
6th Aug 2025347 AMAQI
6th Aug 2025368 AMAQI
6th Aug 2025379 AMAQI
6th Aug 20254210 AMAQI
6th Aug 20253911 AMAQI
6th Aug 20253412 PMAQI
6th Aug 2025391 PMAQI
6th Aug 2025372 PMAQI
6th Aug 2025363 PMAQI
6th Aug 2025344 PMAQI
6th Aug 2025315 PMAQI
6th Aug 2025326 PMAQI
6th Aug 2025367 PMAQI
6th Aug 2025348 PMAQI
6th Aug 2025329 PMAQI
6th Aug 20253210 PMAQI
6th Aug 20253411 PMAQI
7th Aug 20253412 AMAQI
7th Aug 2025361 AMAQI
7th Aug 2025422 AMAQI
7th Aug 2025433 AMAQI
7th Aug 2025344 AMAQI
7th Aug 2025325 AMAQI
21°C18/26°C
7th Aug 2025336 AMAQI
7th Aug 2025367 AMAQI
7th Aug 2025338 AMAQI
7th Aug 2025349 AMAQI
7th Aug 20253310 AMAQI
7th Aug 20253411 AMAQI
7th Aug 20253612 PMAQI
7th Aug 2025381 PMAQI
7th Aug 2025362 PMAQI
7th Aug 2025363 PMAQI
7th Aug 2025384 PMAQI
7th Aug 2025385 PMAQI
7th Aug 2025366 PMAQI
7th Aug 2025347 PMAQI
7th Aug 2025368 PMAQI
7th Aug 2025359 PMAQI
7th Aug 20253610 PMAQI
7th Aug 20253511 PMAQI
8th Aug 20253612 AMAQI
8th Aug 2025361 AMAQI
8th Aug 2025322 AMAQI
8th Aug 2025293 AMAQI
8th Aug 2025324 AMAQI
8th Aug 2025325 AMAQI
22°C18/27°C
8th Aug 2025316 AMAQI
8th Aug 2025337 AMAQI
8th Aug 2025358 AMAQI
8th Aug 2025359 AMAQI
8th Aug 20253810 AMAQI
8th Aug 20253811 AMAQI
8th Aug 20253612 PMAQI
8th Aug 2025341 PMAQI
8th Aug 2025342 PMAQI
8th Aug 2025363 PMAQI
8th Aug 2025364 PMAQI
8th Aug 2025325 PMAQI
8th Aug 2025326 PMAQI
8th Aug 2025317 PMAQI
8th Aug 2025328 PMAQI
8th Aug 2025339 PMAQI
8th Aug 20253410 PMAQI
8th Aug 20253411 PMAQI
9th Aug 20253412 AMAQI
9th Aug 2025341 AMAQI
9th Aug 2025302 AMAQI
9th Aug 2025303 AMAQI
9th Aug 2025274 AMAQI
9th Aug 2025275 AMAQI
22°C18/27°C
9th Aug 2025286 AMAQI
9th Aug 2025307 AMAQI
9th Aug 2025308 AMAQI
9th Aug 2025349 AMAQI
9th Aug 20253610 AMAQI
9th Aug 20253011 AMAQI
9th Aug 20253112 PMAQI
9th Aug 2025281 PMAQI
9th Aug 2025302 PMAQI
9th Aug 2025303 PMAQI
9th Aug 2025304 PMAQI
9th Aug 2025295 PMAQI
9th Aug 2025316 PMAQI
9th Aug 2025317 PMAQI
9th Aug 2025328 PMAQI
9th Aug 2025329 PMAQI
9th Aug 20253010 PMAQI
9th Aug 20253011 PMAQI
10th Aug 20253012 AMAQI
10th Aug 2025301 AMAQI
10th Aug 2025302 AMAQI
10th Aug 2025313 AMAQI
10th Aug 2025304 AMAQI
10th Aug 2025325 AMAQI
21°C18/26°C
10th Aug 2025336 AMAQI
10th Aug 2025317 AMAQI
10th Aug 2025308 AMAQI
10th Aug 2025329 AMAQI
10th Aug 20253210 AMAQI
10th Aug 20253711 AMAQI
10th Aug 20253512 PMAQI
10th Aug 2025301 PMAQI
10th Aug 2025312 PMAQI
10th Aug 2025323 PMAQI
10th Aug 2025344 PMAQI
10th Aug 2025325 PMAQI
10th Aug 2025326 PMAQI
10th Aug 2025327 PMAQI
10th Aug 2025338 PMAQI
10th Aug 2025339 PMAQI
10th Aug 20253310 PMAQI
10th Aug 20253211 PMAQI
11th Aug 20253212 AMAQI
11th Aug 2025321 AMAQI
11th Aug 2025362 AMAQI
11th Aug 2025443 AMAQI
11th Aug 2025414 AMAQI
11th Aug 2025435 AMAQI
23°C18/29°C
11th Aug 2025386 AMAQI
11th Aug 2025407 AMAQI
11th Aug 2025568 AMAQI
11th Aug 2025549 AMAQI
11th Aug 20255610 AMAQI
11th Aug 20255511 AMAQI
11th Aug 20255812 PMAQI
11th Aug 2025571 PMAQI
11th Aug 2025532 PMAQI
11th Aug 2025553 PMAQI
11th Aug 2025544 PMAQI
11th Aug 2025505 PMAQI
11th Aug 2025526 PMAQI
11th Aug 2025487 PMAQI
11th Aug 2025498 PMAQI
11th Aug 2025519 PMAQI
11th Aug 20255410 PMAQI
11th Aug 20255511 PMAQI
12th Aug 20255212 AMAQI
12th Aug 2025531 AMAQI
12th Aug 2025512 AMAQI
12th Aug 2025543 AMAQI
12th Aug 2025534 AMAQI
12th Aug 2025565 AMAQI
26°C22/31°C
12th Aug 2025576 AMAQI
12th Aug 2025597 AMAQI
12th Aug 2025648 AMAQI
12th Aug 2025629 AMAQI
12th Aug 20256010 AMAQI
12th Aug 20255911 AMAQI
12th Aug 20256212 PMAQI
12th Aug 2025601 PMAQI
12th Aug 2025592 PMAQI
12th Aug 2025583 PMAQI
12th Aug 2025604 PMAQI
12th Aug 2025585 PMAQI
12th Aug 2025606 PMAQI
12th Aug 2025587 PMAQI
12th Aug 2025608 PMAQI
12th Aug 2025609 PMAQI
12th Aug 20255910 PMAQI
12th Aug 20255811 PMAQI
13th Aug 20255912 AMAQI
13th Aug 2025581 AMAQI
13th Aug 2025582 AMAQI
13th Aug 2025613 AMAQI
13th Aug 2025564 AMAQI
13th Aug 2025575 AMAQI
26°C21/35°C
13th Aug 2025576 AMAQI
6 AM13th Aug 2025587 AMAQI
13th Aug 2025588 AMAQI
13th Aug 2025609 AMAQI
13th Aug 20255710 AMAQI
13th Aug 20255811 AMAQI
13th Aug 20256012 PMAQI
13th Aug 2025591 PMAQI
1 PM9 PM
1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 9 PM
33AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
6 AM - 9 PM
33AQI
16 hours / Day
480 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 9 PM (Avg. 33), while the lowest AQI was between 6 AM to 9 PM (Avg. 33).
Night time
Avg. Highest Time
12 AM - 11 PM
32AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
32AQI
8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 32), while the lowest AQI was between 12 AM to 11 PM (Avg. 32).
2025 Days Vs Air Quality
Zierbena, Portugalete, Basque Country, Spain
2025
93%
209
7%
15
Total number of days with different AQI categories in last 225 days in 2025 (140 days remaining)
Good
209 DaysModerate
15 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2025, 93% of 225 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
Zierbena, Portugalete, Basque Country, 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
43AQI
43AQI
2nd January 2025
38AQI
38AQI
3rd January 2025
37AQI
37AQI
4th January 2025
35AQI
35AQI
5th January 2025
32AQI
32AQI
6th January 2025
29AQI
29AQI
7th January 2025
28AQI
28AQI
8th January 2025
27AQI
27AQI
9th January 2025
28AQI
28AQI
10th January 2025
27AQI
27AQI
11th January 2025
30AQI
30AQI
12th January 2025
29AQI
29AQI
13th January 2025
33AQI
33AQI
14th January 2025
38AQI
38AQI
15th January 2025
44AQI
44AQI
16th January 2025
48AQI
48AQI
17th January 2025
51AQI
51AQI
18th January 2025
52AQI
52AQI
19th January 2025
52AQI
52AQI
20th January 2025
49AQI
49AQI
21st January 2025
43AQI
43AQI
22nd January 2025
37AQI
37AQI
23rd January 2025
35AQI
35AQI
24th January 2025
34AQI
34AQI
25th January 2025
29AQI
29AQI
26th January 2025
28AQI
28AQI
27th January 2025
30AQI
30AQI
28th January 2025
30AQI
30AQI
29th January 2025
30AQI
30AQI
30th January 2025
30AQI
30AQI
31st January 2025
35AQI
35AQI
1st February 2025
32AQI
32AQI
2nd February 2025
31AQI
31AQI
3rd February 2025
32AQI
32AQI
4th February 2025
37AQI
37AQI
5th February 2025
43AQI
43AQI
6th February 2025
48AQI
48AQI
7th February 2025
45AQI
45AQI
8th February 2025
41AQI
41AQI
9th February 2025
40AQI
40AQI
10th February 2025
40AQI
40AQI
11th February 2025
41AQI
41AQI
12th February 2025
36AQI
36AQI
13th February 2025
37AQI
37AQI
14th February 2025
38AQI
38AQI
15th February 2025
38AQI
38AQI
16th February 2025
41AQI
41AQI
17th February 2025
42AQI
42AQI
18th February 2025
45AQI
45AQI
19th February 2025
51AQI
51AQI
20th February 2025
48AQI
48AQI
21st February 2025
46AQI
46AQI
22nd February 2025
41AQI
41AQI
23rd February 2025
38AQI
38AQI
24th February 2025
35AQI
35AQI
25th February 2025
32AQI
32AQI
26th February 2025
32AQI
32AQI
27th February 2025
37AQI
37AQI
28th February 2025
41AQI
41AQI
1st March 2025
40AQI
40AQI
2nd March 2025
35AQI
35AQI
3rd March 2025
40AQI
40AQI
4th March 2025
47AQI
47AQI
5th March 2025
50AQI
50AQI
6th March 2025
42AQI
42AQI
7th March 2025
36AQI
36AQI
8th March 2025
30AQI
30AQI
9th March 2025
30AQI
30AQI
10th March 2025
28AQI
28AQI
11th March 2025
29AQI
29AQI
12th March 2025
28AQI
28AQI
13th March 2025
27AQI
27AQI
14th March 2025
27AQI
27AQI
15th March 2025
29AQI
29AQI
16th March 2025
28AQI
28AQI
17th March 2025
29AQI
29AQI
18th March 2025
28AQI
28AQI
19th March 2025
26AQI
26AQI
20th March 2025
31AQI
31AQI
21st March 2025
30AQI
30AQI
22nd March 2025
27AQI
27AQI
23rd March 2025
26AQI
26AQI
24th March 2025
28AQI
28AQI
25th March 2025
31AQI
31AQI
26th March 2025
31AQI
31AQI
27th March 2025
34AQI
34AQI
28th March 2025
32AQI
32AQI
29th March 2025
31AQI
31AQI
30th March 2025
32AQI
32AQI
31st March 2025
35AQI
35AQI
1st April 2025
39AQI
39AQI
2nd April 2025
41AQI
41AQI
3rd April 2025
35AQI
35AQI
4th April 2025
34AQI
34AQI
5th April 2025
28AQI
28AQI
6th April 2025
28AQI
28AQI
7th April 2025
29AQI
29AQI
8th April 2025
40AQI
40AQI
9th April 2025
49AQI
49AQI
10th April 2025
50AQI
50AQI
11th April 2025
46AQI
46AQI
12th April 2025
46AQI
46AQI
13th April 2025
41AQI
41AQI
14th April 2025
37AQI
37AQI
15th April 2025
28AQI
28AQI
16th April 2025
22AQI
22AQI
17th April 2025
19AQI
19AQI
18th April 2025
18AQI
18AQI
19th April 2025
18AQI
18AQI
20th April 2025
18AQI
18AQI
21st April 2025
19AQI
19AQI
22nd April 2025
19AQI
19AQI
23rd April 2025
21AQI
21AQI
24th April 2025
22AQI
22AQI
25th April 2025
25AQI
25AQI
26th April 2025
24AQI
24AQI
27th April 2025
23AQI
23AQI
28th April 2025
34AQI
34AQI
29th April 2025
32AQI
32AQI
30th April 2025
30AQI
30AQI
1st May 2025
32AQI
32AQI
2nd May 2025
37AQI
37AQI
3rd May 2025
32AQI
32AQI
4th May 2025
31AQI
31AQI
5th May 2025
27AQI
27AQI
6th May 2025
25AQI
25AQI
7th May 2025
28AQI
28AQI
8th May 2025
32AQI
32AQI
9th May 2025
39AQI
39AQI
10th May 2025
35AQI
35AQI
11th May 2025
32AQI
32AQI
12th May 2025
32AQI
32AQI
13th May 2025
32AQI
32AQI
14th May 2025
32AQI
32AQI
15th May 2025
28AQI
28AQI
16th May 2025
34AQI
34AQI
17th May 2025
41AQI
41AQI
18th May 2025
45AQI
45AQI
19th May 2025
37AQI
37AQI
20th May 2025
36AQI
36AQI
21st May 2025
37AQI
37AQI
22nd May 2025
31AQI
31AQI
23rd May 2025
32AQI
32AQI
24th May 2025
32AQI
32AQI
25th May 2025
32AQI
32AQI
26th May 2025
27AQI
27AQI
27th May 2025
28AQI
28AQI
28th May 2025
33AQI
33AQI
29th May 2025
38AQI
38AQI
30th May 2025
43AQI
43AQI
31st May 2025
38AQI
38AQI
1st June 2025
29AQI
29AQI
2nd June 2025
29AQI
29AQI
3rd June 2025
35AQI
35AQI
4th June 2025
37AQI
37AQI
5th June 2025
33AQI
33AQI
6th June 2025
30AQI
30AQI
7th June 2025
26AQI
26AQI
8th June 2025
39AQI
39AQI
9th June 2025
53AQI
53AQI
10th June 2025
59AQI
59AQI
11th June 2025
59AQI
59AQI
12th June 2025
58AQI
58AQI
13th June 2025
59AQI
59AQI
14th June 2025
50AQI
50AQI
15th June 2025
40AQI
40AQI
16th June 2025
38AQI
38AQI
17th June 2025
42AQI
42AQI
18th June 2025
47AQI
47AQI
19th June 2025
52AQI
52AQI
20th June 2025
54AQI
54AQI
21st June 2025
53AQI
53AQI
22nd June 2025
52AQI
52AQI
23rd June 2025
49AQI
49AQI
24th June 2025
55AQI
55AQI
25th June 2025
50AQI
50AQI
26th June 2025
43AQI
43AQI
27th June 2025
40AQI
40AQI
28th June 2025
42AQI
42AQI
29th June 2025
41AQI
41AQI
30th June 2025
43AQI
43AQI
1st July 2025
48AQI
48AQI
2nd July 2025
39AQI
39AQI
3rd July 2025
36AQI
36AQI
4th July 2025
41AQI
41AQI
5th July 2025
41AQI
41AQI
6th July 2025
37AQI
37AQI
7th July 2025
32AQI
32AQI
8th July 2025
31AQI
31AQI
9th July 2025
30AQI
30AQI
10th July 2025
34AQI
34AQI
11th July 2025
40AQI
40AQI
12th July 2025
43AQI
43AQI
13th July 2025
44AQI
44AQI
14th July 2025
42AQI
42AQI
15th July 2025
36AQI
36AQI
16th July 2025
37AQI
37AQI
17th July 2025
42AQI
42AQI
18th July 2025
37AQI
37AQI
19th July 2025
30AQI
30AQI
20th July 2025
28AQI
28AQI
21st July 2025
26AQI
26AQI
22nd July 2025
23AQI
23AQI
23rd July 2025
22AQI
22AQI
24th July 2025
22AQI
22AQI
25th July 2025
27AQI
27AQI
26th July 2025
31AQI
31AQI
27th July 2025
34AQI
34AQI
28th July 2025
29AQI
29AQI
29th July 2025
27AQI
27AQI
30th July 2025
25AQI
25AQI
31st July 2025
26AQI
26AQI
1st August 2025
33AQI
33AQI
2nd August 2025
25AQI
25AQI
3rd August 2025
28AQI
28AQI
4th August 2025
31AQI
31AQI
5th August 2025
39AQI
39AQI
6th August 2025
34AQI
34AQI
7th August 2025
36AQI
36AQI
8th August 2025
33AQI
33AQI
9th August 2025
30AQI
30AQI
10th August 2025
32AQI
32AQI
11th August 2025
48AQI
48AQI
12th August 2025
57AQI
57AQI
36AQI
40AQI
32AQI
31AQI
33AQI
45AQI
34AQI
36AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202536AQI
28
3
27
1
31
30
31
20
10
31
11
1
209
15
Highest AQI recorded in
June45AQI
Lowest AQI recorded in
April31AQI
202418AQI
31
10
31
30
31
30
31
31
30
29
2
26
4
27
4
337
10
Highest AQI recorded in
December38AQI
Lowest AQI recorded in
March10AQI
202314AQI
31
20
20
27
31
30
31
31
29
1
31
29
31
341
1
Highest AQI recorded in
September19AQI
Lowest AQI recorded in
December7AQI
202235AQI
17
14
11
10
23
7
1
25
5
26
5
24
6
14
7
1
1
3
1
23
6
31
30
30
257
61
2
1
Highest AQI recorded in
July51AQI
Lowest AQI recorded in
December11AQI
202140AQI
29
1
23
2
18
13
22
8
27
12
14
25
5
27
4
183
47
Highest AQI recorded in
October50AQI
Lowest AQI recorded in
January35AQI
202036AQI
6
7
20
1
11
1
6
2
26
5
29
2
21
9
29
2
18
11
31
197
40
Highest AQI recorded in
March53AQI
Lowest AQI recorded in
December29AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
40AQILeast Polluted Year Recorded
2023(Avg.)
14AQIZierbena's annual 2025 AQI (36) shows an average percentage change of 46.1% (worsened AQI) compared to previous years: 2020 (36), 2021 (40), 2022 (35), 2023 (14), 2024 (18).
