Casco Viejo, Altzaga, Pais Vasco, 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
Casco Viejo, Altzaga, Pais Vasco, Spain
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
8th Aug 2025
38AQILowest AQI recorded on
1st Aug 2025
25AQISame Day Analysis (8th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 38 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 8th Aug - 9th Aug 2025
Casco Viejo, Altzaga, Pais Vasco, Spain
AQI
Day
Night
.
6 AM8th Aug 2025
9 PM
5 AM9th Aug 2025
Day time
Avg. Highest Time
11AM8th Aug
44AQI
Avg. Lowest Time
6PM8th Aug
32AQI
Night time
Avg. Highest Time
6AM8th Aug
36AQI
Avg. Lowest Time
4AM9th Aug
24AQI
In the last 24 hours,
Casco Viejo's AQI reached its highest point of 44 at 11 AM during the Day, while the lowest point, 24, was recorded at 4 AM during the Night between 8th Aug and 9th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Casco Viejo, Altzaga, Pais Vasco, Spain
JulAug
10th - 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 - 06th06th - 07th07th - 08th08th - 09th09th
Day
Night
10th Jul 2025436 AMAQI
10th Jul 2025397 AMAQI
10th Jul 2025438 AMAQI
10th Jul 2025469 AMAQI
10th Jul 20254510 AMAQI
10th Jul 20254211 AMAQI
10th Jul 20254312 PMAQI
10th Jul 2025391 PMAQI
10th Jul 2025402 PMAQI
10th Jul 2025403 PMAQI
10th Jul 2025384 PMAQI
10th Jul 2025385 PMAQI
10th Jul 2025386 PMAQI
10th Jul 2025417 PMAQI
10th Jul 2025408 PMAQI
10th Jul 2025419 PMAQI
10th Jul 20254110 PMAQI
10th Jul 20254211 PMAQI
11th Jul 20254212 AMAQI
11th Jul 2025401 AMAQI
11th Jul 2025472 AMAQI
11th Jul 2025483 AMAQI
11th Jul 2025504 AMAQI
11th Jul 2025485 AMAQI
22°C16/27°C
11th Jul 2025446 AMAQI
11th Jul 2025487 AMAQI
11th Jul 2025518 AMAQI
11th Jul 2025509 AMAQI
11th Jul 20255010 AMAQI
11th Jul 20255011 AMAQI
11th Jul 20254912 PMAQI
11th Jul 2025501 PMAQI
11th Jul 2025462 PMAQI
11th Jul 2025453 PMAQI
11th Jul 2025464 PMAQI
11th Jul 2025465 PMAQI
11th Jul 2025476 PMAQI
11th Jul 2025467 PMAQI
11th Jul 2025488 PMAQI
11th Jul 2025479 PMAQI
11th Jul 20254710 PMAQI
11th Jul 20254811 PMAQI
12th Jul 20254612 AMAQI
12th Jul 2025481 AMAQI
12th Jul 2025482 AMAQI
12th Jul 2025523 AMAQI
12th Jul 2025514 AMAQI
12th Jul 2025525 AMAQI
22°C18/27°C
12th Jul 2025526 AMAQI
12th Jul 2025517 AMAQI
12th Jul 2025528 AMAQI
12th Jul 2025529 AMAQI
12th Jul 20255310 AMAQI
12th Jul 20255511 AMAQI
12th Jul 20255412 PMAQI
12th Jul 2025521 PMAQI
12th Jul 2025502 PMAQI
12th Jul 2025493 PMAQI
12th Jul 2025484 PMAQI
12th Jul 2025485 PMAQI
12th Jul 2025486 PMAQI
12th Jul 2025487 PMAQI
12th Jul 2025498 PMAQI
12th Jul 2025489 PMAQI
12th Jul 20255110 PMAQI
12th Jul 20255111 PMAQI
13th Jul 20255012 AMAQI
13th Jul 2025481 AMAQI
13th Jul 2025512 AMAQI
13th Jul 2025503 AMAQI
13th Jul 2025534 AMAQI
13th Jul 2025545 AMAQI
21°C17/25°C
13th Jul 2025526 AMAQI
13th Jul 2025527 AMAQI
13th Jul 2025528 AMAQI
13th Jul 2025529 AMAQI
13th Jul 20255310 AMAQI
13th Jul 20255311 AMAQI
13th Jul 20255312 PMAQI
13th Jul 2025521 PMAQI
13th Jul 2025512 PMAQI
13th Jul 2025503 PMAQI
13th Jul 2025504 PMAQI
13th Jul 2025495 PMAQI
13th Jul 2025486 PMAQI
13th Jul 2025517 PMAQI
13th Jul 2025488 PMAQI
13th Jul 2025509 PMAQI
13th Jul 20255010 PMAQI
13th Jul 20255111 PMAQI
14th Jul 20255012 AMAQI
14th Jul 2025501 AMAQI
14th Jul 2025522 AMAQI
14th Jul 2025523 AMAQI
14th Jul 2025494 AMAQI
14th Jul 2025525 AMAQI
20°C17/24°C
14th Jul 2025526 AMAQI
14th Jul 2025527 AMAQI
14th Jul 2025538 AMAQI
14th Jul 2025539 AMAQI
14th Jul 20255310 AMAQI
14th Jul 20254811 AMAQI
14th Jul 20253612 PMAQI
14th Jul 2025381 PMAQI
14th Jul 2025462 PMAQI
14th Jul 2025443 PMAQI
14th Jul 2025444 PMAQI
14th Jul 2025445 PMAQI
14th Jul 2025446 PMAQI
14th Jul 2025407 PMAQI
14th Jul 2025418 PMAQI
14th Jul 2025419 PMAQI
14th Jul 20254310 PMAQI
14th Jul 20254311 PMAQI
15th Jul 20254312 AMAQI
15th Jul 2025431 AMAQI
15th Jul 2025372 AMAQI
15th Jul 2025273 AMAQI
15th Jul 2025264 AMAQI
15th Jul 2025275 AMAQI
20°C18/22°C
15th Jul 2025326 AMAQI
15th Jul 2025327 AMAQI
15th Jul 2025358 AMAQI
15th Jul 2025349 AMAQI
15th Jul 20253510 AMAQI
15th Jul 20253611 AMAQI
15th Jul 20254012 PMAQI
15th Jul 2025411 PMAQI
15th Jul 2025402 PMAQI
15th Jul 2025363 PMAQI
15th Jul 2025374 PMAQI
15th Jul 2025375 PMAQI
15th Jul 2025386 PMAQI
15th Jul 2025387 PMAQI
15th Jul 2025398 PMAQI
15th Jul 2025429 PMAQI
15th Jul 20254010 PMAQI
15th Jul 20253811 PMAQI
16th Jul 20253812 AMAQI
16th Jul 2025381 AMAQI
16th Jul 2025382 AMAQI
16th Jul 2025413 AMAQI
16th Jul 2025474 AMAQI
16th Jul 2025475 AMAQI
20°C17/24°C
16th Jul 2025466 AMAQI
16th Jul 2025467 AMAQI
16th Jul 2025448 AMAQI
16th Jul 2025469 AMAQI
16th Jul 20254610 AMAQI
16th Jul 20254711 AMAQI
16th Jul 20254612 PMAQI
16th Jul 2025541 PMAQI
16th Jul 2025432 PMAQI
16th Jul 2025443 PMAQI
16th Jul 2025454 PMAQI
16th Jul 2025455 PMAQI
16th Jul 2025446 PMAQI
16th Jul 2025467 PMAQI
16th Jul 2025488 PMAQI
16th Jul 2025459 PMAQI
16th Jul 20254410 PMAQI
16th Jul 20254311 PMAQI
17th Jul 20254412 AMAQI
17th Jul 2025421 AMAQI
17th Jul 2025472 AMAQI
17th Jul 2025533 AMAQI
17th Jul 2025544 AMAQI
17th Jul 2025535 AMAQI
21°C17/27°C
17th Jul 2025526 AMAQI
17th Jul 2025507 AMAQI
17th Jul 2025528 AMAQI
17th Jul 2025549 AMAQI
17th Jul 20255410 AMAQI
17th Jul 20255411 AMAQI
17th Jul 20255112 PMAQI
17th Jul 2025541 PMAQI
17th Jul 2025552 PMAQI
17th Jul 2025523 PMAQI
17th Jul 2025504 PMAQI
17th Jul 2025485 PMAQI
17th Jul 2025516 PMAQI
17th Jul 2025507 PMAQI
17th Jul 2025508 PMAQI
17th Jul 2025509 PMAQI
17th Jul 20254810 PMAQI
17th Jul 20254911 PMAQI
18th Jul 20254912 AMAQI
18th Jul 2025481 AMAQI
18th Jul 2025422 AMAQI
18th Jul 2025363 AMAQI
18th Jul 2025314 AMAQI
18th Jul 2025315 AMAQI
21°C18/26°C
18th Jul 2025346 AMAQI
18th Jul 2025377 AMAQI
18th Jul 2025378 AMAQI
18th Jul 2025379 AMAQI
18th Jul 20253910 AMAQI
18th Jul 20253811 AMAQI
18th Jul 20253912 PMAQI
18th Jul 2025501 PMAQI
18th Jul 2025452 PMAQI
18th Jul 2025443 PMAQI
18th Jul 2025394 PMAQI
18th Jul 2025385 PMAQI
18th Jul 2025466 PMAQI
18th Jul 2025367 PMAQI
18th Jul 2025368 PMAQI
18th Jul 2025479 PMAQI
18th Jul 20254010 PMAQI
18th Jul 20255211 PMAQI
19th Jul 20253812 AMAQI
19th Jul 2025371 AMAQI
19th Jul 2025322 AMAQI
19th Jul 2025263 AMAQI
19th Jul 2025274 AMAQI
19th Jul 2025285 AMAQI
20°C18/22°C
19th Jul 2025286 AMAQI
19th Jul 2025287 AMAQI
19th Jul 2025288 AMAQI
19th Jul 2025289 AMAQI
19th Jul 20252710 AMAQI
19th Jul 20252511 AMAQI
19th Jul 20252412 PMAQI
19th Jul 2025231 PMAQI
19th Jul 2025262 PMAQI
19th Jul 2025263 PMAQI
19th Jul 2025274 PMAQI
19th Jul 2025275 PMAQI
19th Jul 2025286 PMAQI
19th Jul 2025287 PMAQI
19th Jul 2025308 PMAQI
19th Jul 2025299 PMAQI
19th Jul 20253010 PMAQI
19th Jul 20253011 PMAQI
20th Jul 20252812 AMAQI
20th Jul 2025281 AMAQI
20th Jul 2025282 AMAQI
20th Jul 2025263 AMAQI
20th Jul 2025254 AMAQI
20th Jul 2025285 AMAQI
20°C18/23°C
20th Jul 2025306 AMAQI
20th Jul 2025287 AMAQI
20th Jul 2025288 AMAQI
20th Jul 2025269 AMAQI
20th Jul 20252910 AMAQI
20th Jul 20252811 AMAQI
20th Jul 20253012 PMAQI
20th Jul 2025281 PMAQI
20th Jul 2025282 PMAQI
20th Jul 2025273 PMAQI
20th Jul 2025284 PMAQI
20th Jul 2025295 PMAQI
20th Jul 2025276 PMAQI
20th Jul 2025277 PMAQI
20th Jul 2025278 PMAQI
20th Jul 2025269 PMAQI
20th Jul 20252610 PMAQI
20th Jul 20252611 PMAQI
21st Jul 20252612 AMAQI
21st Jul 2025271 AMAQI
21st Jul 2025252 AMAQI
21st Jul 2025253 AMAQI
21st Jul 2025244 AMAQI
21st Jul 2025255 AMAQI
19°C17/21°C
21st Jul 2025276 AMAQI
21st Jul 2025287 AMAQI
21st Jul 2025268 AMAQI
21st Jul 2025269 AMAQI
21st Jul 20252910 AMAQI
21st Jul 20252411 AMAQI
21st Jul 20252512 PMAQI
21st Jul 2025221 PMAQI
21st Jul 2025242 PMAQI
21st Jul 2025243 PMAQI
21st Jul 2025274 PMAQI
21st Jul 2025265 PMAQI
21st Jul 2025246 PMAQI
21st Jul 2025237 PMAQI
21st Jul 2025258 PMAQI
21st Jul 2025249 PMAQI
21st Jul 20252410 PMAQI
21st Jul 20252711 PMAQI
22nd Jul 20252512 AMAQI
22nd Jul 2025241 AMAQI
22nd Jul 2025242 AMAQI
22nd Jul 2025203 AMAQI
22nd Jul 2025204 AMAQI
22nd Jul 2025225 AMAQI
19°C16/23°C
22nd Jul 2025226 AMAQI
22nd Jul 2025237 AMAQI
22nd Jul 2025248 AMAQI
22nd Jul 2025229 AMAQI
22nd Jul 20252410 AMAQI
22nd Jul 20253011 AMAQI
22nd Jul 20252412 PMAQI
22nd Jul 2025301 PMAQI
22nd Jul 2025242 PMAQI
22nd Jul 2025243 PMAQI
22nd Jul 2025244 PMAQI
22nd Jul 2025235 PMAQI
22nd Jul 2025246 PMAQI
22nd Jul 2025247 PMAQI
22nd Jul 2025258 PMAQI
22nd Jul 2025249 PMAQI
22nd Jul 20252310 PMAQI
22nd Jul 20252311 PMAQI
23rd Jul 20252412 AMAQI
23rd Jul 2025231 AMAQI
23rd Jul 2025222 AMAQI
23rd Jul 2025243 AMAQI
23rd Jul 2025264 AMAQI
23rd Jul 2025225 AMAQI
20°C15/25°C
23rd Jul 2025226 AMAQI
23rd Jul 2025207 AMAQI
23rd Jul 2025198 AMAQI
23rd Jul 2025209 AMAQI
23rd Jul 20252010 AMAQI
23rd Jul 20252111 AMAQI
23rd Jul 20252112 PMAQI
23rd Jul 2025221 PMAQI
23rd Jul 2025222 PMAQI
23rd Jul 2025233 PMAQI
23rd Jul 2025244 PMAQI
23rd Jul 2025245 PMAQI
23rd Jul 2025226 PMAQI
23rd Jul 2025217 PMAQI
23rd Jul 2025218 PMAQI
23rd Jul 2025229 PMAQI
23rd Jul 20252210 PMAQI
23rd Jul 20252211 PMAQI
24th Jul 20252212 AMAQI
24th Jul 2025221 AMAQI
24th Jul 2025202 AMAQI
24th Jul 2025183 AMAQI
24th Jul 2025164 AMAQI
24th Jul 2025165 AMAQI
19°C16/22°C
24th Jul 2025186 AMAQI
24th Jul 2025187 AMAQI
24th Jul 2025198 AMAQI
24th Jul 2025189 AMAQI
24th Jul 20251810 AMAQI
24th Jul 20251911 AMAQI
24th Jul 20252012 PMAQI
24th Jul 2025181 PMAQI
24th Jul 2025182 PMAQI
24th Jul 2025193 PMAQI
24th Jul 2025204 PMAQI
24th Jul 2025205 PMAQI
24th Jul 2025206 PMAQI
24th Jul 2025197 PMAQI
24th Jul 2025198 PMAQI
24th Jul 2025209 PMAQI
24th Jul 20252010 PMAQI
24th Jul 20252111 PMAQI
25th Jul 20252112 AMAQI
25th Jul 2025201 AMAQI
25th Jul 2025322 AMAQI
25th Jul 2025443 AMAQI
25th Jul 2025474 AMAQI
25th Jul 2025385 AMAQI
18°C16/21°C
25th Jul 2025386 AMAQI
25th Jul 2025427 AMAQI
25th Jul 2025398 AMAQI
25th Jul 2025369 AMAQI
25th Jul 20253610 AMAQI
25th Jul 20252911 AMAQI
25th Jul 20252912 PMAQI
25th Jul 2025321 PMAQI
25th Jul 2025362 PMAQI
25th Jul 2025363 PMAQI
25th Jul 2025364 PMAQI
25th Jul 2025365 PMAQI
25th Jul 2025406 PMAQI
25th Jul 2025407 PMAQI
25th Jul 2025408 PMAQI
25th Jul 2025379 PMAQI
25th Jul 20253610 PMAQI
25th Jul 20253611 PMAQI
26th Jul 20253612 AMAQI
26th Jul 2025361 AMAQI
26th Jul 2025432 AMAQI
26th Jul 2025553 AMAQI
26th Jul 2025544 AMAQI
26th Jul 2025535 AMAQI
18°C16/22°C
26th Jul 2025506 AMAQI
26th Jul 2025487 AMAQI
26th Jul 2025508 AMAQI
26th Jul 2025479 AMAQI
26th Jul 20254710 AMAQI
26th Jul 20254211 AMAQI
26th Jul 20254612 PMAQI
26th Jul 2025511 PMAQI
26th Jul 2025482 PMAQI
26th Jul 2025463 PMAQI
26th Jul 2025464 PMAQI
26th Jul 2025475 PMAQI
26th Jul 2025496 PMAQI
26th Jul 2025497 PMAQI
26th Jul 2025548 PMAQI
26th Jul 2025499 PMAQI
26th Jul 20254710 PMAQI
26th Jul 20254911 PMAQI
27th Jul 20254712 AMAQI
27th Jul 2025481 AMAQI
27th Jul 2025502 AMAQI
27th Jul 2025543 AMAQI
27th Jul 2025534 AMAQI
27th Jul 2025515 AMAQI
19°C15/22°C
27th Jul 2025496 AMAQI
27th Jul 2025487 AMAQI
27th Jul 2025498 AMAQI
27th Jul 2025499 AMAQI
27th Jul 20254610 AMAQI
27th Jul 20254811 AMAQI
27th Jul 20254212 PMAQI
27th Jul 2025441 PMAQI
27th Jul 2025462 PMAQI
27th Jul 2025443 PMAQI
27th Jul 2025424 PMAQI
27th Jul 2025445 PMAQI
27th Jul 2025516 PMAQI
27th Jul 2025477 PMAQI
27th Jul 2025488 PMAQI
27th Jul 2025499 PMAQI
27th Jul 20255010 PMAQI
27th Jul 20254811 PMAQI
28th Jul 20254912 AMAQI
28th Jul 2025491 AMAQI
28th Jul 2025362 AMAQI
28th Jul 2025153 AMAQI
28th Jul 2025144 AMAQI
28th Jul 2025175 AMAQI
19°C15/23°C
28th Jul 2025226 AMAQI
28th Jul 2025247 AMAQI
28th Jul 2025268 AMAQI
28th Jul 2025269 AMAQI
28th Jul 20252710 AMAQI
28th Jul 20253011 AMAQI
28th Jul 20253412 PMAQI
28th Jul 2025361 PMAQI
28th Jul 2025322 PMAQI
28th Jul 2025313 PMAQI
28th Jul 2025314 PMAQI
28th Jul 2025305 PMAQI
28th Jul 2025316 PMAQI
28th Jul 2025337 PMAQI
28th Jul 2025428 PMAQI
28th Jul 2025439 PMAQI
28th Jul 20254010 PMAQI
28th Jul 20253811 PMAQI
29th Jul 20253212 AMAQI
29th Jul 2025301 AMAQI
29th Jul 2025292 AMAQI
29th Jul 2025283 AMAQI
29th Jul 2025264 AMAQI
29th Jul 2025245 AMAQI
19°C17/21°C
29th Jul 2025246 AMAQI
29th Jul 2025237 AMAQI
29th Jul 2025268 AMAQI
29th Jul 2025289 AMAQI
29th Jul 20252910 AMAQI
29th Jul 20253011 AMAQI
29th Jul 20252912 PMAQI
29th Jul 2025301 PMAQI
29th Jul 2025282 PMAQI
29th Jul 2025273 PMAQI
29th Jul 2025274 PMAQI
29th Jul 2025265 PMAQI
29th Jul 2025256 PMAQI
29th Jul 2025267 PMAQI
29th Jul 2025268 PMAQI
29th Jul 2025259 PMAQI
29th Jul 20252710 PMAQI
29th Jul 20252711 PMAQI
30th Jul 20252612 AMAQI
30th Jul 2025271 AMAQI
30th Jul 2025272 AMAQI
30th Jul 2025243 AMAQI
30th Jul 2025224 AMAQI
30th Jul 2025225 AMAQI
19°C16/22°C
30th Jul 2025246 AMAQI
30th Jul 2025227 AMAQI
30th Jul 2025228 AMAQI
30th Jul 2025239 AMAQI
30th Jul 20252510 AMAQI
30th Jul 20252611 AMAQI
30th Jul 20252012 PMAQI
30th Jul 2025201 PMAQI
30th Jul 2025222 PMAQI
30th Jul 2025223 PMAQI
30th Jul 2025224 PMAQI
30th Jul 2025225 PMAQI
30th Jul 2025226 PMAQI
30th Jul 2025227 PMAQI
30th Jul 2025228 PMAQI
30th Jul 2025239 PMAQI
30th Jul 20252310 PMAQI
30th Jul 20252311 PMAQI
31st Jul 20252312 AMAQI
31st Jul 2025231 AMAQI
31st Jul 2025232 AMAQI
31st Jul 2025233 AMAQI
31st Jul 2025174 AMAQI
31st Jul 2025165 AMAQI
20°C17/22°C
31st Jul 2025196 AMAQI
31st Jul 2025197 AMAQI
31st Jul 2025208 AMAQI
31st Jul 2025219 AMAQI
31st Jul 20252210 AMAQI
31st Jul 20252211 AMAQI
31st Jul 20252012 PMAQI
31st Jul 2025221 PMAQI
31st Jul 2025222 PMAQI
31st Jul 2025243 PMAQI
31st Jul 2025214 PMAQI
31st Jul 2025205 PMAQI
31st Jul 2025216 PMAQI
31st Jul 2025227 PMAQI
31st Jul 2025228 PMAQI
31st Jul 2025259 PMAQI
31st Jul 20252110 PMAQI
31st Jul 20252211 PMAQI
1st Aug 20252112 AMAQI
1st Aug 2025221 AMAQI
1st Aug 2025242 AMAQI
1st Aug 2025263 AMAQI
1st Aug 2025304 AMAQI
1st Aug 2025325 AMAQI
19°C17/23°C
1st Aug 2025286 AMAQI
1st Aug 2025337 AMAQI
1st Aug 2025328 AMAQI
1st Aug 2025369 AMAQI
1st Aug 20253310 AMAQI
1st Aug 20253011 AMAQI
1st Aug 20252412 PMAQI
1st Aug 2025261 PMAQI
1st Aug 2025262 PMAQI
1st Aug 2025253 PMAQI
1st Aug 2025244 PMAQI
1st Aug 2025225 PMAQI
1st Aug 2025216 PMAQI
1st Aug 2025217 PMAQI
1st Aug 2025228 PMAQI
1st Aug 2025249 PMAQI
1st Aug 20252610 PMAQI
1st Aug 20252611 PMAQI
2nd Aug 20252612 AMAQI
2nd Aug 2025261 AMAQI
2nd Aug 2025222 AMAQI
2nd Aug 2025203 AMAQI
2nd Aug 2025224 AMAQI
2nd Aug 2025205 AMAQI
20°C17/23°C
2nd Aug 2025206 AMAQI
2nd Aug 2025267 AMAQI
2nd Aug 2025268 AMAQI
2nd Aug 2025249 AMAQI
2nd Aug 20252810 AMAQI
2nd Aug 20252511 AMAQI
2nd Aug 20252212 PMAQI
2nd Aug 2025241 PMAQI
2nd Aug 2025262 PMAQI
2nd Aug 2025243 PMAQI
2nd Aug 2025234 PMAQI
2nd Aug 2025255 PMAQI
2nd Aug 2025266 PMAQI
2nd Aug 2025267 PMAQI
2nd Aug 2025268 PMAQI
2nd Aug 2025249 PMAQI
2nd Aug 20252510 PMAQI
2nd Aug 20252411 PMAQI
3rd Aug 20252412 AMAQI
3rd Aug 2025241 AMAQI
3rd Aug 2025242 AMAQI
3rd Aug 2025243 AMAQI
3rd Aug 2025284 AMAQI
3rd Aug 2025295 AMAQI
20°C17/23°C
3rd Aug 2025276 AMAQI
3rd Aug 2025307 AMAQI
3rd Aug 2025308 AMAQI
3rd Aug 2025269 AMAQI
3rd Aug 20253010 AMAQI
3rd Aug 20253011 AMAQI
3rd Aug 20252612 PMAQI
3rd Aug 2025271 PMAQI
3rd Aug 2025272 PMAQI
3rd Aug 2025273 PMAQI
3rd Aug 2025264 PMAQI
3rd Aug 2025265 PMAQI
3rd Aug 2025266 PMAQI
3rd Aug 2025277 PMAQI
3rd Aug 2025288 PMAQI
3rd Aug 2025279 PMAQI
3rd Aug 20252810 PMAQI
3rd Aug 20252711 PMAQI
4th Aug 20252712 AMAQI
4th Aug 2025261 AMAQI
4th Aug 2025302 AMAQI
4th Aug 2025323 AMAQI
4th Aug 2025314 AMAQI
4th Aug 2025295 AMAQI
20°C16/24°C
4th Aug 2025336 AMAQI
4th Aug 2025297 AMAQI
4th Aug 2025348 AMAQI
4th Aug 2025329 AMAQI
4th Aug 20253510 AMAQI
4th Aug 20253411 AMAQI
4th Aug 20253712 PMAQI
4th Aug 2025341 PMAQI
4th Aug 2025342 PMAQI
4th Aug 2025313 PMAQI
4th Aug 2025344 PMAQI
4th Aug 2025325 PMAQI
4th Aug 2025326 PMAQI
4th Aug 2025327 PMAQI
4th Aug 2025348 PMAQI
4th Aug 2025329 PMAQI
4th Aug 20253210 PMAQI
4th Aug 20253211 PMAQI
5th Aug 20253212 AMAQI
5th Aug 2025321 AMAQI
5th Aug 2025332 AMAQI
5th Aug 2025393 AMAQI
5th Aug 2025384 AMAQI
5th Aug 2025465 AMAQI
22°C16/29°C
5th Aug 2025416 AMAQI
5th Aug 2025377 AMAQI
5th Aug 2025468 AMAQI
5th Aug 2025479 AMAQI
5th Aug 20254710 AMAQI
5th Aug 20254711 AMAQI
5th Aug 20253612 PMAQI
5th Aug 2025341 PMAQI
5th Aug 2025332 PMAQI
5th Aug 2025323 PMAQI
5th Aug 2025314 PMAQI
5th Aug 2025315 PMAQI
5th Aug 2025306 PMAQI
5th Aug 2025327 PMAQI
5th Aug 2025308 PMAQI
5th Aug 2025349 PMAQI
5th Aug 20253710 PMAQI
5th Aug 20253611 PMAQI
6th Aug 20253412 AMAQI
6th Aug 2025381 AMAQI
6th Aug 2025242 AMAQI
6th Aug 2025223 AMAQI
6th Aug 2025224 AMAQI
6th Aug 2025225 AMAQI
20°C17/24°C
6th Aug 2025276 AMAQI
6th Aug 2025267 AMAQI
6th Aug 2025298 AMAQI
6th Aug 2025289 AMAQI
6th Aug 20252810 AMAQI
6th Aug 20252811 AMAQI
6th Aug 20253012 PMAQI
6th Aug 2025311 PMAQI
6th Aug 2025342 PMAQI
6th Aug 2025313 PMAQI
6th Aug 2025304 PMAQI
6th Aug 2025305 PMAQI
6th Aug 2025296 PMAQI
6th Aug 2025317 PMAQI
6th Aug 2025308 PMAQI
6th Aug 2025309 PMAQI
6th Aug 20252910 PMAQI
6th Aug 20253111 PMAQI
7th Aug 20253012 AMAQI
7th Aug 2025301 AMAQI
7th Aug 2025332 AMAQI
7th Aug 2025323 AMAQI
7th Aug 2025324 AMAQI
7th Aug 2025305 AMAQI
21°C18/26°C
7th Aug 2025316 AMAQI
7th Aug 2025337 AMAQI
7th Aug 2025348 AMAQI
7th Aug 2025379 AMAQI
7th Aug 20253610 AMAQI
7th Aug 20253411 AMAQI
7th Aug 20253612 PMAQI
7th Aug 2025441 PMAQI
7th Aug 2025382 PMAQI
7th Aug 2025373 PMAQI
7th Aug 2025384 PMAQI
7th Aug 2025375 PMAQI
7th Aug 2025386 PMAQI
7th Aug 2025427 PMAQI
7th Aug 2025378 PMAQI
7th Aug 2025429 PMAQI
7th Aug 20253710 PMAQI
7th Aug 20254211 PMAQI
8th Aug 20253812 AMAQI
8th Aug 2025331 AMAQI
8th Aug 2025322 AMAQI
8th Aug 2025323 AMAQI
8th Aug 2025314 AMAQI
8th Aug 2025345 AMAQI
22°C18/27°C
8th Aug 2025366 AMAQI
8th Aug 2025357 AMAQI
8th Aug 2025368 AMAQI
8th Aug 2025369 AMAQI
8th Aug 20253810 AMAQI
8th Aug 20254411 AMAQI
8th Aug 20254012 PMAQI
8th Aug 2025391 PMAQI
8th Aug 2025362 PMAQI
8th Aug 2025383 PMAQI
8th Aug 2025334 PMAQI
8th Aug 2025345 PMAQI
8th Aug 2025326 PMAQI
8th Aug 2025347 PMAQI
8th Aug 2025358 PMAQI
8th Aug 2025379 PMAQI
8th Aug 20253510 PMAQI
8th Aug 20253611 PMAQI
9th Aug 20253412 AMAQI
9th Aug 2025341 AMAQI
9th Aug 2025302 AMAQI
9th Aug 2025253 AMAQI
9th Aug 2025244 AMAQI
9th Aug 2025255 AMAQI
22°C18/27°C
9th Aug 2025266 AMAQI
6 AM9th Aug 2025277 AMAQI
9th Aug 2025268 AMAQI
9th Aug 2025279 AMAQI
9th Aug 20252810 AMAQI
9th Aug 20253011 AMAQI
9th Aug 20253012 PMAQI
1 PM
9 PM
1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 9 PM
35AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
6 AM - 9 PM
35AQI
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. 35), while the lowest AQI was between 6 AM to 9 PM (Avg. 35).
Night time
Avg. Highest Time
12 AM - 11 PM
34AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
34AQI
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. 34), while the lowest AQI was between 12 AM to 11 PM (Avg. 34).
2025 Days Vs Air Quality
Casco Viejo, Altzaga, Pais Vasco, Spain
2025
61%
44
39%
28
Total number of days with different AQI categories in last 221 days in 2025 (144 days remaining)
Good
44 DaysModerate
28 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 61%
Health Risk Level:
Moderate
In 2025, 61% of 221 days were within WHO’s safe air quality limits, and 39% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Casco Viejo, Altzaga, Pais Vasco, 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 May 2025
52AQI
52AQI
2nd May 2025
51AQI
51AQI
3rd May 2025
50AQI
50AQI
1st June 2025
45AQI
45AQI
2nd June 2025
47AQI
47AQI
3rd June 2025
55AQI
55AQI
4th June 2025
52AQI
52AQI
5th June 2025
44AQI
44AQI
6th June 2025
43AQI
43AQI
7th June 2025
40AQI
40AQI
8th June 2025
53AQI
53AQI
9th June 2025
63AQI
63AQI
10th June 2025
66AQI
66AQI
11th June 2025
66AQI
66AQI
12th June 2025
64AQI
64AQI
13th June 2025
68AQI
68AQI
14th June 2025
60AQI
60AQI
15th June 2025
52AQI
52AQI
16th June 2025
49AQI
49AQI
17th June 2025
52AQI
52AQI
18th June 2025
54AQI
54AQI
19th June 2025
56AQI
56AQI
20th June 2025
57AQI
57AQI
21st June 2025
58AQI
58AQI
22nd June 2025
60AQI
60AQI
23rd June 2025
57AQI
57AQI
24th June 2025
57AQI
57AQI
25th June 2025
56AQI
56AQI
26th June 2025
54AQI
54AQI
27th June 2025
51AQI
51AQI
28th June 2025
52AQI
52AQI
29th June 2025
51AQI
51AQI
30th June 2025
52AQI
52AQI
1st July 2025
52AQI
52AQI
2nd July 2025
47AQI
47AQI
3rd July 2025
48AQI
48AQI
4th July 2025
46AQI
46AQI
5th July 2025
45AQI
45AQI
6th July 2025
41AQI
41AQI
7th July 2025
39AQI
39AQI
8th July 2025
38AQI
38AQI
9th July 2025
37AQI
37AQI
10th July 2025
40AQI
40AQI
11th July 2025
46AQI
46AQI
12th July 2025
50AQI
50AQI
13th July 2025
51AQI
51AQI
14th July 2025
47AQI
47AQI
15th July 2025
38AQI
38AQI
16th July 2025
43AQI
43AQI
17th July 2025
50AQI
50AQI
18th July 2025
42AQI
42AQI
19th July 2025
30AQI
30AQI
20th July 2025
28AQI
28AQI
21st July 2025
25AQI
25AQI
22nd July 2025
24AQI
24AQI
23rd July 2025
22AQI
22AQI
24th July 2025
20AQI
20AQI
25th July 2025
33AQI
33AQI
26th July 2025
46AQI
46AQI
27th July 2025
48AQI
48AQI
28th July 2025
35AQI
35AQI
29th July 2025
28AQI
28AQI
30th July 2025
24AQI
24AQI
31st July 2025
22AQI
22AQI
1st August 2025
25AQI
25AQI
2nd August 2025
25AQI
25AQI
3rd August 2025
27AQI
27AQI
4th August 2025
31AQI
31AQI
5th August 2025
36AQI
36AQI
6th August 2025
30AQI
30AQI
7th August 2025
35AQI
35AQI
8th August 2025
38AQI
38AQI
51AQI
54AQI
38AQI
31AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202545AQI
1
2
6
24
29
2
8
44
28
Highest AQI recorded in
June54AQI
Lowest AQI recorded in
August31AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
45AQILeast Polluted Year Recorded
2025(Avg.)
45AQICasco Viejo's annual 2025 AQI (45) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
