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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Windows, Puchuncavi, Valparaiso, Chile Historical Air Quality Analysis

Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!

Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

September Air Quality Analysis

Windows, Puchuncavi, Valparaiso, Chile

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
8th Sep 2024
89AQI
Lowest AQI recorded on
21st Sep 2025
21AQI

Same Day Analysis (29th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 31 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.

Day & Night AQI Trend: 29th Sep - 30th Sep 2026

Windows, Puchuncavi, Valparaiso, Chile

AQI
Day
Night
.

7 AM29th Sep 2026

7 PM

6 AM30th Sep 2026

Day time
Avg. Highest Time
7PM29th Sep

46AQI

Avg. Lowest Time
11AM29th Sep

21AQI

Night time
Avg. Highest Time
10PM29th Sep

56AQI

Avg. Lowest Time
5AM30th Sep

21AQI

In the last 24 hours,

Windows's AQI reached its highest point of 56 at 10 PM during the Night, while the lowest point, 21, was recorded at 5 AM during the Night between 29th Sep and 30th Sep 2026.

Day & Night AQI Trend : Sep 2026

Windows, Puchuncavi, Valparaiso, Chile

Sep
01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th
Day
Night
1st Sep 2026277 AMAQI
1st Sep 2026348 AMAQI
1st Sep 2026309 AMAQI
1st Sep 20262110 AMAQI
1st Sep 20263611 AMAQI
1st Sep 20263112 PMAQI
1st Sep 2026621 PMAQI
1st Sep 2026642 PMAQI
1st Sep 2026513 PMAQI
1st Sep 2026544 PMAQI
1st Sep 2026295 PMAQI
1st Sep 2026256 PMAQI
1st Sep 2026277 PMAQI
1st Sep 2026318 PMAQI
1st Sep 2026409 PMAQI
1st Sep 20263910 PMAQI
1st Sep 20264311 PMAQI
2nd Sep 20264412 AMAQI
2nd Sep 2026361 AMAQI
2nd Sep 2026402 AMAQI
2nd Sep 2026483 AMAQI
2nd Sep 2026444 AMAQI
2nd Sep 2026315 AMAQI
2nd Sep 2026296 AMAQI

15°C13/17°C

2nd Sep 2026277 AMAQI
2nd Sep 2026278 AMAQI
2nd Sep 2026349 AMAQI
2nd Sep 20263610 AMAQI
2nd Sep 20263011 AMAQI
2nd Sep 20262912 PMAQI
2nd Sep 2026291 PMAQI
2nd Sep 2026232 PMAQI
2nd Sep 2026263 PMAQI
2nd Sep 2026284 PMAQI
2nd Sep 2026225 PMAQI
2nd Sep 2026316 PMAQI
2nd Sep 2026367 PMAQI
2nd Sep 2026448 PMAQI
2nd Sep 2026409 PMAQI
2nd Sep 20264610 PMAQI
2nd Sep 20265111 PMAQI
3rd Sep 20263412 AMAQI
3rd Sep 2026271 AMAQI
3rd Sep 2026322 AMAQI
3rd Sep 2026403 AMAQI
3rd Sep 2026304 AMAQI
3rd Sep 2026235 AMAQI
3rd Sep 2026236 AMAQI

14°C13/15°C

3rd Sep 2026217 AMAQI
3rd Sep 2026218 AMAQI
3rd Sep 2026279 AMAQI
3rd Sep 20263610 AMAQI
3rd Sep 20262111 AMAQI
3rd Sep 20262512 PMAQI
3rd Sep 2026221 PMAQI
3rd Sep 2026302 PMAQI
3rd Sep 2026323 PMAQI
3rd Sep 2026424 PMAQI
3rd Sep 2026465 PMAQI
3rd Sep 2026466 PMAQI
3rd Sep 2026467 PMAQI
3rd Sep 2026428 PMAQI
3rd Sep 2026509 PMAQI
3rd Sep 20264410 PMAQI
3rd Sep 20265011 PMAQI
4th Sep 20264912 AMAQI
4th Sep 2026311 AMAQI
4th Sep 2026422 AMAQI
4th Sep 2026463 AMAQI
4th Sep 2026444 AMAQI
4th Sep 2026445 AMAQI
4th Sep 2026316 AMAQI

14°C12/15°C

4th Sep 2026297 AMAQI
4th Sep 2026318 AMAQI
4th Sep 2026459 AMAQI
4th Sep 20264410 AMAQI
4th Sep 20264011 AMAQI
4th Sep 20263612 PMAQI
4th Sep 2026421 PMAQI
4th Sep 2026422 PMAQI
4th Sep 2026493 PMAQI
4th Sep 2026514 PMAQI
4th Sep 2026485 PMAQI
4th Sep 2026466 PMAQI
4th Sep 2026387 PMAQI
4th Sep 2026398 PMAQI
4th Sep 2026499 PMAQI
4th Sep 20265110 PMAQI
4th Sep 20266211 PMAQI
5th Sep 20266012 AMAQI
5th Sep 2026711 AMAQI
5th Sep 2026602 AMAQI
5th Sep 2026563 AMAQI
5th Sep 2026564 AMAQI
5th Sep 2026485 AMAQI
5th Sep 2026406 AMAQI

13°C11/15°C

5th Sep 2026287 AMAQI
5th Sep 2026298 AMAQI
5th Sep 2026319 AMAQI
5th Sep 20263210 AMAQI
5th Sep 20263611 AMAQI
5th Sep 20264612 PMAQI
5th Sep 2026541 PMAQI
5th Sep 2026482 PMAQI
5th Sep 2026503 PMAQI
5th Sep 2026544 PMAQI
5th Sep 2026465 PMAQI
5th Sep 2026556 PMAQI
5th Sep 2026527 PMAQI
5th Sep 2026558 PMAQI
5th Sep 2026609 PMAQI
5th Sep 20266810 PMAQI
5th Sep 20267211 PMAQI
6th Sep 2026621 AMAQI
6th Sep 2026572 AMAQI
6th Sep 2026583 AMAQI
6th Sep 2026514 AMAQI
6th Sep 2026425 AMAQI
6th Sep 2026346 AMAQI

13°C12/15°C

6th Sep 2026277 AMAQI
6th Sep 2026278 AMAQI
6th Sep 2026179 AMAQI
6th Sep 20262110 AMAQI
6th Sep 20262511 AMAQI
6th Sep 20262012 PMAQI
6th Sep 2026211 PMAQI
6th Sep 2026262 PMAQI
6th Sep 2026283 PMAQI
6th Sep 2026344 PMAQI
6th Sep 2026295 PMAQI
6th Sep 2026406 PMAQI
6th Sep 2026387 PMAQI
6th Sep 2026338 PMAQI
6th Sep 2026359 PMAQI
6th Sep 20265210 PMAQI
6th Sep 20265211 PMAQI
7th Sep 20268512 AMAQI
7th Sep 2026541 AMAQI
7th Sep 2026502 AMAQI
7th Sep 2026513 AMAQI
7th Sep 2026454 AMAQI
7th Sep 2026335 AMAQI
7th Sep 2026196 AMAQI

12°C10/13°C

7th Sep 2026107 AMAQI
7th Sep 2026118 AMAQI
7th Sep 2026229 AMAQI
7th Sep 20263210 AMAQI
7th Sep 20263311 AMAQI
7th Sep 20262912 PMAQI
7th Sep 2026261 PMAQI
7th Sep 2026292 PMAQI
7th Sep 2026323 PMAQI
7th Sep 2026324 PMAQI
7th Sep 2026405 PMAQI
7th Sep 2026366 PMAQI
7th Sep 2026327 PMAQI
7th Sep 2026328 PMAQI
7th Sep 2026409 PMAQI
7th Sep 20265010 PMAQI
7th Sep 20262511 PMAQI
8th Sep 20263412 AMAQI
8th Sep 2026451 AMAQI
8th Sep 2026462 AMAQI
8th Sep 2026343 AMAQI
8th Sep 2026204 AMAQI
8th Sep 2026185 AMAQI
8th Sep 2026206 AMAQI

11°C9/12°C

8th Sep 2026187 AMAQI
8th Sep 2026178 AMAQI
8th Sep 2026139 AMAQI
8th Sep 20262310 AMAQI
8th Sep 20263011 AMAQI
8th Sep 20264712 PMAQI
8th Sep 2026501 PMAQI
8th Sep 2026422 PMAQI
8th Sep 2026423 PMAQI
8th Sep 2026344 PMAQI
8th Sep 2026375 PMAQI
8th Sep 2026406 PMAQI
8th Sep 2026447 PMAQI
8th Sep 2026508 PMAQI
8th Sep 2026399 PMAQI
8th Sep 20265010 PMAQI
8th Sep 20264811 PMAQI
9th Sep 20264412 AMAQI
9th Sep 2026401 AMAQI
9th Sep 2026362 AMAQI
9th Sep 2026363 AMAQI
9th Sep 2026324 AMAQI
9th Sep 2026405 AMAQI
9th Sep 2026256 AMAQI

11°C9/12°C

9th Sep 2026217 AMAQI
9th Sep 2026238 AMAQI
9th Sep 2026319 AMAQI
9th Sep 20263810 AMAQI
9th Sep 20263611 AMAQI
9th Sep 20263612 PMAQI
9th Sep 2026511 PMAQI
9th Sep 2026522 PMAQI
9th Sep 2026493 PMAQI
9th Sep 2026524 PMAQI
9th Sep 2026385 PMAQI
9th Sep 2026296 PMAQI
9th Sep 2026277 PMAQI
9th Sep 2026218 PMAQI
9th Sep 2026249 PMAQI
9th Sep 20263110 PMAQI
9th Sep 20264411 PMAQI
10th Sep 20263812 AMAQI
10th Sep 2026361 AMAQI
10th Sep 2026462 AMAQI
10th Sep 2026423 AMAQI
10th Sep 2026334 AMAQI
10th Sep 2026235 AMAQI
10th Sep 2026216 AMAQI

11°C9/12°C

10th Sep 2026217 AMAQI
10th Sep 2026258 AMAQI
10th Sep 2026249 AMAQI
10th Sep 20262610 AMAQI
10th Sep 20262911 AMAQI
10th Sep 20262812 PMAQI
10th Sep 2026251 PMAQI
10th Sep 2026272 PMAQI
10th Sep 2026273 PMAQI
10th Sep 2026294 PMAQI
10th Sep 2026265 PMAQI
10th Sep 2026276 PMAQI
10th Sep 2026407 PMAQI
10th Sep 2026278 PMAQI
10th Sep 2026299 PMAQI
10th Sep 20264010 PMAQI
10th Sep 20264711 PMAQI
11th Sep 20264012 AMAQI
11th Sep 2026341 AMAQI
11th Sep 2026312 AMAQI
11th Sep 2026293 AMAQI
11th Sep 2026334 AMAQI
11th Sep 2026255 AMAQI
11th Sep 2026216 AMAQI

12°C11/13°C

11th Sep 2026217 AMAQI
11th Sep 2026218 AMAQI
11th Sep 2026309 AMAQI
11th Sep 20263210 AMAQI
11th Sep 20263011 AMAQI
11th Sep 20262412 PMAQI
11th Sep 2026211 PMAQI
11th Sep 2026262 PMAQI
11th Sep 2026283 PMAQI
11th Sep 2026344 PMAQI
11th Sep 2026365 PMAQI
11th Sep 2026526 PMAQI
11th Sep 2026467 PMAQI
11th Sep 2026328 PMAQI
11th Sep 2026269 PMAQI
11th Sep 20262710 PMAQI
11th Sep 20262611 PMAQI
12th Sep 20262512 AMAQI
12th Sep 2026311 AMAQI
12th Sep 2026212 AMAQI
12th Sep 2026233 AMAQI
12th Sep 2026224 AMAQI
12th Sep 2026235 AMAQI
12th Sep 2026236 AMAQI

12°C10/14°C

12th Sep 2026237 AMAQI
12th Sep 2026368 AMAQI
12th Sep 2026259 AMAQI
12th Sep 20262110 AMAQI
12th Sep 20262311 AMAQI
12th Sep 20262612 PMAQI
12th Sep 2026251 PMAQI
12th Sep 2026292 PMAQI
12th Sep 2026503 PMAQI
12th Sep 2026454 PMAQI
12th Sep 2026606 PMAQI
12th Sep 2026607 PMAQI
12th Sep 2026428 PMAQI
12th Sep 2026469 PMAQI
12th Sep 20268010 PMAQI
12th Sep 20267611 PMAQI
13th Sep 20267612 AMAQI
13th Sep 2026641 AMAQI
13th Sep 2026522 AMAQI
13th Sep 2026503 AMAQI
13th Sep 2026424 AMAQI
13th Sep 2026405 AMAQI
13th Sep 2026596 AMAQI

12°C9/14°C

13th Sep 2026677 AMAQI
13th Sep 2026688 AMAQI
13th Sep 2026789 AMAQI
13th Sep 20268110 AMAQI
13th Sep 20266811 AMAQI
13th Sep 20266312 PMAQI
13th Sep 2026681 PMAQI
13th Sep 2026522 PMAQI
13th Sep 2026443 PMAQI
13th Sep 2026464 PMAQI
13th Sep 2026445 PMAQI
13th Sep 2026486 PMAQI
13th Sep 2026497 PMAQI
13th Sep 2026478 PMAQI
13th Sep 2026339 PMAQI
13th Sep 20264610 PMAQI
13th Sep 20264911 PMAQI
14th Sep 20264012 AMAQI
14th Sep 2026441 AMAQI
14th Sep 2026422 AMAQI
14th Sep 2026403 AMAQI
14th Sep 2026404 AMAQI
14th Sep 2026365 AMAQI
14th Sep 2026406 AMAQI

13°C12/15°C

14th Sep 2026477 AMAQI
14th Sep 2026388 AMAQI
14th Sep 2026449 AMAQI
14th Sep 20264910 AMAQI
14th Sep 20265511 AMAQI
14th Sep 20266012 PMAQI
14th Sep 2026561 PMAQI
14th Sep 2026562 PMAQI
14th Sep 2026443 PMAQI
14th Sep 2026404 PMAQI
14th Sep 2026425 PMAQI
14th Sep 2026536 PMAQI
14th Sep 2026527 PMAQI
14th Sep 2026518 PMAQI
14th Sep 2026329 PMAQI
14th Sep 20264610 PMAQI
14th Sep 20264811 PMAQI
15th Sep 20264612 AMAQI
15th Sep 2026541 AMAQI
15th Sep 2026542 AMAQI
15th Sep 2026463 AMAQI
15th Sep 2026404 AMAQI
15th Sep 2026365 AMAQI
15th Sep 2026366 AMAQI

13°C12/15°C

15th Sep 2026367 AMAQI
15th Sep 2026408 AMAQI
15th Sep 2026369 AMAQI
15th Sep 20264010 AMAQI
15th Sep 20264411 AMAQI
15th Sep 20264812 PMAQI
15th Sep 2026511 PMAQI
15th Sep 2026572 PMAQI
15th Sep 2026533 PMAQI
15th Sep 2026504 PMAQI
15th Sep 2026535 PMAQI
15th Sep 2026496 PMAQI
15th Sep 2026407 PMAQI
15th Sep 2026368 PMAQI
15th Sep 2026409 PMAQI
15th Sep 20264210 PMAQI
15th Sep 20264611 PMAQI
16th Sep 20265112 AMAQI
16th Sep 2026511 AMAQI
16th Sep 2026512 AMAQI
16th Sep 2026623 AMAQI
16th Sep 2026484 AMAQI
16th Sep 2026485 AMAQI
16th Sep 2026426 AMAQI

14°C13/16°C

16th Sep 2026447 AMAQI
16th Sep 2026408 AMAQI
16th Sep 2026429 AMAQI
16th Sep 20264410 AMAQI
16th Sep 20264811 AMAQI
16th Sep 20264212 PMAQI
16th Sep 2026441 PMAQI
16th Sep 2026382 PMAQI
16th Sep 2026343 PMAQI
16th Sep 2026494 PMAQI
16th Sep 2026405 PMAQI
16th Sep 2026426 PMAQI
16th Sep 2026427 PMAQI
16th Sep 2026408 PMAQI
16th Sep 2026499 PMAQI
16th Sep 20264910 PMAQI
16th Sep 20264611 PMAQI
17th Sep 20265112 AMAQI
17th Sep 2026501 AMAQI
17th Sep 2026482 AMAQI
17th Sep 2026493 AMAQI
17th Sep 2026464 AMAQI
17th Sep 2026425 AMAQI
17th Sep 2026386 AMAQI

14°C12/16°C

17th Sep 2026407 AMAQI
17th Sep 2026368 AMAQI
17th Sep 2026369 AMAQI
17th Sep 20263610 AMAQI
17th Sep 20263811 AMAQI
17th Sep 20263412 PMAQI
17th Sep 2026401 PMAQI
17th Sep 2026382 PMAQI
17th Sep 2026403 PMAQI
17th Sep 2026464 PMAQI
17th Sep 2026385 PMAQI
17th Sep 2026296 PMAQI
17th Sep 2026297 PMAQI
17th Sep 2026278 PMAQI
17th Sep 2026259 PMAQI
17th Sep 20262710 PMAQI
17th Sep 20262911 PMAQI
18th Sep 20262712 AMAQI
18th Sep 2026291 AMAQI
18th Sep 2026252 AMAQI
18th Sep 2026253 AMAQI
18th Sep 2026234 AMAQI
18th Sep 2026295 AMAQI
18th Sep 2026316 AMAQI

14°C13/15°C

18th Sep 2026367 AMAQI
18th Sep 2026388 AMAQI
18th Sep 2026389 AMAQI
18th Sep 20264010 AMAQI
18th Sep 20264011 AMAQI
18th Sep 20264412 PMAQI
18th Sep 2026551 PMAQI
18th Sep 2026502 PMAQI
18th Sep 2026463 PMAQI
18th Sep 2026524 PMAQI
18th Sep 2026595 PMAQI
18th Sep 2026576 PMAQI
18th Sep 2026567 PMAQI
18th Sep 2026498 PMAQI
18th Sep 2026559 PMAQI
18th Sep 20265010 PMAQI
18th Sep 20265211 PMAQI
19th Sep 20264812 AMAQI
19th Sep 2026421 AMAQI
19th Sep 2026422 AMAQI
19th Sep 2026463 AMAQI
19th Sep 2026464 AMAQI
19th Sep 2026405 AMAQI
19th Sep 2026446 AMAQI

13°C12/15°C

19th Sep 2026407 AMAQI
19th Sep 2026468 AMAQI
19th Sep 2026429 AMAQI
19th Sep 20263610 AMAQI
19th Sep 20263611 AMAQI
19th Sep 20263112 PMAQI
19th Sep 2026271 PMAQI
19th Sep 2026252 PMAQI
19th Sep 2026253 PMAQI
19th Sep 2026254 PMAQI
19th Sep 2026255 PMAQI
19th Sep 2026276 PMAQI
19th Sep 2026217 PMAQI
19th Sep 2026258 PMAQI
19th Sep 2026279 PMAQI
19th Sep 20262910 PMAQI
19th Sep 20263411 PMAQI
20th Sep 20263412 AMAQI
20th Sep 2026231 AMAQI
20th Sep 2026272 AMAQI
20th Sep 2026253 AMAQI
20th Sep 2026214 AMAQI
20th Sep 2026235 AMAQI
20th Sep 2026406 AMAQI

14°C13/14°C

20th Sep 2026277 AMAQI
20th Sep 2026278 AMAQI
20th Sep 2026239 AMAQI
20th Sep 20262110 AMAQI
20th Sep 20262111 AMAQI
20th Sep 20263212 PMAQI
20th Sep 2026291 PMAQI
20th Sep 2026212 PMAQI
20th Sep 2026253 PMAQI
20th Sep 2026304 PMAQI
20th Sep 2026235 PMAQI
20th Sep 2026216 PMAQI
20th Sep 2026217 PMAQI
20th Sep 2026218 PMAQI
20th Sep 2026239 PMAQI
20th Sep 20262310 PMAQI
20th Sep 20262511 PMAQI
21st Sep 20263112 AMAQI
21st Sep 2026291 AMAQI
21st Sep 2026252 AMAQI
21st Sep 2026213 AMAQI
21st Sep 2026234 AMAQI
21st Sep 2026255 AMAQI
21st Sep 2026256 AMAQI

14°C13/15°C

21st Sep 2026257 AMAQI
21st Sep 2026258 AMAQI
21st Sep 2026259 AMAQI
21st Sep 20262510 AMAQI
21st Sep 20263411 AMAQI
21st Sep 20263112 PMAQI
21st Sep 2026381 PMAQI
21st Sep 2026462 PMAQI
21st Sep 2026543 PMAQI
21st Sep 2026504 PMAQI
21st Sep 2026405 PMAQI
21st Sep 2026306 PMAQI
21st Sep 2026317 PMAQI
21st Sep 2026308 PMAQI
21st Sep 2026269 PMAQI
21st Sep 20263210 PMAQI
21st Sep 20263611 PMAQI
22nd Sep 20265612 AMAQI
22nd Sep 2026591 AMAQI
22nd Sep 2026542 AMAQI
22nd Sep 2026423 AMAQI
22nd Sep 2026274 AMAQI
22nd Sep 2026235 AMAQI
22nd Sep 2026226 AMAQI

14°C12/16°C

22nd Sep 2026277 AMAQI
22nd Sep 2026298 AMAQI
22nd Sep 2026279 AMAQI
22nd Sep 20263010 AMAQI
22nd Sep 20263111 AMAQI
22nd Sep 20262712 PMAQI
22nd Sep 2026291 PMAQI
22nd Sep 2026332 PMAQI
22nd Sep 2026543 PMAQI
22nd Sep 2026514 PMAQI
22nd Sep 2026425 PMAQI
22nd Sep 2026386 PMAQI
22nd Sep 2026307 PMAQI
22nd Sep 2026328 PMAQI
22nd Sep 2026329 PMAQI
22nd Sep 20263110 PMAQI
22nd Sep 20263611 PMAQI
23rd Sep 20263412 AMAQI
23rd Sep 2026361 AMAQI
23rd Sep 2026312 AMAQI
23rd Sep 2026313 AMAQI
23rd Sep 2026274 AMAQI
23rd Sep 2026265 AMAQI
23rd Sep 2026246 AMAQI

14°C12/15°C

23rd Sep 2026267 AMAQI
23rd Sep 2026278 AMAQI
23rd Sep 2026369 AMAQI
23rd Sep 20264010 AMAQI
23rd Sep 20264411 AMAQI
23rd Sep 20262412 PMAQI
23rd Sep 2026291 PMAQI
23rd Sep 2026262 PMAQI
23rd Sep 2026283 PMAQI
23rd Sep 2026354 PMAQI
23rd Sep 2026265 PMAQI
23rd Sep 2026226 PMAQI
23rd Sep 2026227 PMAQI
23rd Sep 2026218 PMAQI
23rd Sep 2026219 PMAQI
23rd Sep 20262410 PMAQI
23rd Sep 20262511 PMAQI
24th Sep 20262912 AMAQI
24th Sep 2026271 AMAQI
24th Sep 2026362 AMAQI
24th Sep 2026293 AMAQI
24th Sep 2026294 AMAQI
24th Sep 2026295 AMAQI
24th Sep 2026336 AMAQI

14°C13/15°C

24th Sep 2026297 AMAQI
24th Sep 2026318 AMAQI
24th Sep 2026319 AMAQI
24th Sep 20262710 AMAQI
24th Sep 20263311 AMAQI
24th Sep 20262612 PMAQI
24th Sep 2026261 PMAQI
24th Sep 2026242 PMAQI
24th Sep 2026273 PMAQI
24th Sep 2026294 PMAQI
24th Sep 2026335 PMAQI
24th Sep 2026316 PMAQI
24th Sep 2026217 PMAQI
24th Sep 2026368 PMAQI
24th Sep 2026219 PMAQI
24th Sep 20262910 PMAQI
24th Sep 20263311 PMAQI
25th Sep 20263412 AMAQI
25th Sep 2026311 AMAQI
25th Sep 2026292 AMAQI
25th Sep 2026273 AMAQI
25th Sep 2026254 AMAQI
25th Sep 2026275 AMAQI
25th Sep 2026276 AMAQI

14°C14/16°C

25th Sep 2026297 AMAQI
25th Sep 2026338 AMAQI
25th Sep 2026409 AMAQI
25th Sep 20264210 AMAQI
25th Sep 20263811 AMAQI
25th Sep 20263612 PMAQI
25th Sep 2026381 PMAQI
25th Sep 2026422 PMAQI
25th Sep 2026443 PMAQI
25th Sep 2026474 PMAQI
25th Sep 2026515 PMAQI
25th Sep 2026506 PMAQI
25th Sep 2026337 PMAQI
25th Sep 2026348 PMAQI
25th Sep 2026369 PMAQI
25th Sep 20264410 PMAQI
25th Sep 20265811 PMAQI
26th Sep 20266612 AMAQI
26th Sep 2026731 AMAQI
26th Sep 2026652 AMAQI
26th Sep 2026583 AMAQI
26th Sep 2026574 AMAQI
26th Sep 2026625 AMAQI
26th Sep 2026646 AMAQI

15°C13/17°C

26th Sep 2026467 AMAQI
26th Sep 2026218 AMAQI
26th Sep 2026149 AMAQI
26th Sep 20261210 AMAQI
26th Sep 20261911 AMAQI
26th Sep 20264912 PMAQI
26th Sep 2026441 PMAQI
26th Sep 2026362 PMAQI
26th Sep 2026403 PMAQI
26th Sep 2026404 PMAQI
26th Sep 2026285 PMAQI
26th Sep 2026226 PMAQI
26th Sep 2026217 PMAQI
26th Sep 2026258 PMAQI
26th Sep 2026349 PMAQI
26th Sep 20264210 PMAQI
26th Sep 20265011 PMAQI
27th Sep 20264912 AMAQI
27th Sep 2026321 AMAQI
27th Sep 2026232 AMAQI
27th Sep 2026143 AMAQI
27th Sep 2026234 AMAQI
27th Sep 2026215 AMAQI
27th Sep 2026276 AMAQI

15°C14/16°C

27th Sep 2026237 AMAQI
27th Sep 2026178 AMAQI
27th Sep 2026149 AMAQI
27th Sep 20262510 AMAQI
27th Sep 20264911 AMAQI
27th Sep 20261412 PMAQI
27th Sep 2026141 PMAQI
27th Sep 2026232 PMAQI
27th Sep 2026173 PMAQI
27th Sep 2026144 PMAQI
27th Sep 2026345 PMAQI
27th Sep 2026356 PMAQI
27th Sep 2026407 PMAQI
27th Sep 2026428 PMAQI
27th Sep 2026489 PMAQI
27th Sep 20264610 PMAQI
27th Sep 20262511 PMAQI
28th Sep 20262312 AMAQI
28th Sep 2026201 AMAQI
28th Sep 2026242 AMAQI
28th Sep 2026223 AMAQI
28th Sep 2026234 AMAQI
28th Sep 2026255 AMAQI
28th Sep 2026256 AMAQI

14°C14/15°C

28th Sep 2026257 AMAQI
28th Sep 2026218 AMAQI
28th Sep 2026189 AMAQI
28th Sep 20262110 AMAQI
28th Sep 20262511 AMAQI
28th Sep 20262912 PMAQI
28th Sep 2026311 PMAQI
28th Sep 2026402 PMAQI
28th Sep 2026553 PMAQI
28th Sep 2026524 PMAQI
28th Sep 2026635 PMAQI
28th Sep 2026466 PMAQI
28th Sep 2026517 PMAQI
28th Sep 2026448 PMAQI
28th Sep 2026369 PMAQI
28th Sep 20262310 PMAQI
28th Sep 20262511 PMAQI
29th Sep 20262512 AMAQI
29th Sep 2026231 AMAQI
29th Sep 2026252 AMAQI
29th Sep 2026233 AMAQI
29th Sep 2026234 AMAQI
29th Sep 2026215 AMAQI
29th Sep 2026216 AMAQI

14°C13/15°C

29th Sep 2026257 AMAQI
29th Sep 2026218 AMAQI
29th Sep 2026369 AMAQI
29th Sep 20263210 AMAQI
29th Sep 20262111 AMAQI
29th Sep 20264212 PMAQI
29th Sep 2026361 PMAQI
29th Sep 2026422 PMAQI
29th Sep 2026423 PMAQI
29th Sep 2026234 PMAQI
29th Sep 2026385 PMAQI
29th Sep 2026276 PMAQI
29th Sep 2026467 PMAQI
29th Sep 2026428 PMAQI
29th Sep 2026329 PMAQI
29th Sep 20265610 PMAQI
29th Sep 20262811 PMAQI
30th Sep 20262512 AMAQI
30th Sep 2026251 AMAQI
30th Sep 2026362 AMAQI
30th Sep 2026343 AMAQI
30th Sep 2026234 AMAQI
30th Sep 2026215 AMAQI
30th Sep 2026236 AMAQI

13°C12/15°C

30th Sep 2026257 AMAQI
7 AM
30th Sep 2026258 AMAQI
30th Sep 2026259 AMAQI
30th Sep 20262510 AMAQI
30th Sep 20262811 AMAQI
30th Sep 20262412 PMAQI
30th Sep 2026231 PMAQI
1 PM
30th Sep 2026232 PMAQI
30th Sep 2026293 PMAQI
30th Sep 2026254 PMAQI
30th Sep 2026305 PMAQI
30th Sep 2026366 PMAQI
30th Sep 2026367 PMAQI
7 PM
30th Sep 2026278 PMAQI
30th Sep 2026279 PMAQI
30th Sep 20262910 PMAQI
30th Sep 20262911 PMAQI
1 AM
6 AM

14°C12/16°C

Day time
Avg. Highest Time
3 PM - 4 PM

40AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
7 AM - 8 AM

30AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 PM to 4 PM (Avg. 40), while the lowest AQI was between 7 AM to 8 AM (Avg. 30).
Night time
Avg. Highest Time
12 AM

43AQI

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

31AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 12 AM (Avg. 43), while the lowest AQI was between 6 AM to 6 AM (Avg. 31).

2026 Days Vs Air Quality

Windows, Puchuncavi, Valparaiso, Chile

2026

76%

204

24%

65

Total number of days with different AQI categories in last 273 days in 2026 (92 days remaining)

Good
204 Days
Moderate
65 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 76%

Health Risk Level:

Low

In 2026, 76% of 273 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.

Annual Air Quality Insights

Windows, Puchuncavi, Valparaiso, Chile

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
34AQI (US)
2nd January 2026
28AQI (US)
3rd January 2026
31AQI (US)
4th January 2026
35AQI (US)
5th January 2026
33AQI (US)
6th January 2026
36AQI (US)
7th January 2026
32AQI (US)
8th January 2026
38AQI (US)
9th January 2026
51AQI (US)
10th January 2026
54AQI (US)
11th January 2026
43AQI (US)
12th January 2026
49AQI (US)
13th January 2026
46AQI (US)
14th January 2026
44AQI (US)
15th January 2026
45AQI (US)
16th January 2026
58AQI (US)
17th January 2026
57AQI (US)
18th January 2026
71AQI (US)
19th January 2026
83AQI (US)
20th January 2026
78AQI (US)
21st January 2026
59AQI (US)
22nd January 2026
53AQI (US)
23rd January 2026
53AQI (US)
24th January 2026
46AQI (US)
25th January 2026
48AQI (US)
26th January 2026
45AQI (US)
27th January 2026
38AQI (US)
28th January 2026
43AQI (US)
29th January 2026
44AQI (US)
30th January 2026
51AQI (US)
31st January 2026
43AQI (US)
1st February 2026
47AQI (US)
2nd February 2026
54AQI (US)
3rd February 2026
51AQI (US)
4th February 2026
51AQI (US)
5th February 2026
47AQI (US)
6th February 2026
44AQI (US)
7th February 2026
42AQI (US)
8th February 2026
47AQI (US)
9th February 2026
46AQI (US)
10th February 2026
41AQI (US)
11th February 2026
42AQI (US)
12th February 2026
42AQI (US)
13th February 2026
49AQI (US)
14th February 2026
51AQI (US)
15th February 2026
42AQI (US)
16th February 2026
46AQI (US)
17th February 2026
46AQI (US)
18th February 2026
45AQI (US)
19th February 2026
50AQI (US)
20th February 2026
44AQI (US)
21st February 2026
38AQI (US)
22nd February 2026
34AQI (US)
23rd February 2026
38AQI (US)
24th February 2026
43AQI (US)
25th February 2026
43AQI (US)
26th February 2026
32AQI (US)
27th February 2026
34AQI (US)
28th February 2026
33AQI (US)
1st March 2026
39AQI (US)
2nd March 2026
50AQI (US)
3rd March 2026
43AQI (US)
4th March 2026
42AQI (US)
5th March 2026
37AQI (US)
6th March 2026
29AQI (US)
7th March 2026
34AQI (US)
8th March 2026
38AQI (US)
9th March 2026
37AQI (US)
10th March 2026
31AQI (US)
11th March 2026
36AQI (US)
12th March 2026
40AQI (US)
13th March 2026
39AQI (US)
14th March 2026
35AQI (US)
15th March 2026
32AQI (US)
16th March 2026
36AQI (US)
17th March 2026
34AQI (US)
18th March 2026
33AQI (US)
19th March 2026
32AQI (US)
20th March 2026
32AQI (US)
21st March 2026
32AQI (US)
22nd March 2026
34AQI (US)
23rd March 2026
38AQI (US)
24th March 2026
36AQI (US)
25th March 2026
33AQI (US)
26th March 2026
29AQI (US)
27th March 2026
32AQI (US)
28th March 2026
33AQI (US)
29th March 2026
29AQI (US)
30th March 2026
28AQI (US)
31st March 2026
26AQI (US)
1st April 2026
29AQI (US)
2nd April 2026
32AQI (US)
3rd April 2026
29AQI (US)
4th April 2026
28AQI (US)
5th April 2026
31AQI (US)
6th April 2026
36AQI (US)
7th April 2026
30AQI (US)
8th April 2026
37AQI (US)
9th April 2026
28AQI (US)
10th April 2026
35AQI (US)
11th April 2026
36AQI (US)
12th April 2026
31AQI (US)
13th April 2026
29AQI (US)
14th April 2026
32AQI (US)
15th April 2026
31AQI (US)
16th April 2026
31AQI (US)
17th April 2026
18th April 2026
31AQI (US)
19th April 2026
35AQI (US)
20th April 2026
33AQI (US)
21st April 2026
28AQI (US)
22nd April 2026
23rd April 2026
25AQI (US)
24th April 2026
27AQI (US)
25th April 2026
29AQI (US)
26th April 2026
34AQI (US)
27th April 2026
29AQI (US)
28th April 2026
28AQI (US)
29th April 2026
26AQI (US)
30th April 2026
27AQI (US)
1st May 2026
27AQI (US)
2nd May 2026
26AQI (US)
3rd May 2026
26AQI (US)
4th May 2026
30AQI (US)
5th May 2026
34AQI (US)
6th May 2026
33AQI (US)
7th May 2026
29AQI (US)
8th May 2026
28AQI (US)
9th May 2026
10th May 2026
32AQI (US)
11th May 2026
33AQI (US)
12th May 2026
35AQI (US)
13th May 2026
35AQI (US)
14th May 2026
31AQI (US)
15th May 2026
52AQI (US)
16th May 2026
53AQI (US)
17th May 2026
41AQI (US)
18th May 2026
39AQI (US)
19th May 2026
54AQI (US)
20th May 2026
56AQI (US)
21st May 2026
49AQI (US)
22nd May 2026
53AQI (US)
23rd May 2026
58AQI (US)
24th May 2026
59AQI (US)
25th May 2026
72AQI (US)
26th May 2026
67AQI (US)
27th May 2026
62AQI (US)
28th May 2026
66AQI (US)
29th May 2026
61AQI (US)
30th May 2026
64AQI (US)
31st May 2026
53AQI (US)
1st June 2026
46AQI (US)
2nd June 2026
58AQI (US)
3rd June 2026
78AQI (US)
4th June 2026
73AQI (US)
5th June 2026
50AQI (US)
6th June 2026
50AQI (US)
7th June 2026
71AQI (US)
8th June 2026
77AQI (US)
9th June 2026
63AQI (US)
10th June 2026
47AQI (US)
11th June 2026
51AQI (US)
12th June 2026
58AQI (US)
13th June 2026
58AQI (US)
14th June 2026
62AQI (US)
15th June 2026
69AQI (US)
16th June 2026
71AQI (US)
17th June 2026
48AQI (US)
18th June 2026
31AQI (US)
19th June 2026
48AQI (US)
20th June 2026
55AQI (US)
21st June 2026
53AQI (US)
22nd June 2026
50AQI (US)
23rd June 2026
61AQI (US)
24th June 2026
81AQI (US)
25th June 2026
72AQI (US)
26th June 2026
65AQI (US)
27th June 2026
73AQI (US)
28th June 2026
82AQI (US)
29th June 2026
74AQI (US)
30th June 2026
70AQI (US)
1st July 2026
64AQI (US)
2nd July 2026
50AQI (US)
3rd July 2026
66AQI (US)
4th July 2026
58AQI (US)
5th July 2026
41AQI (US)
6th July 2026
54AQI (US)
7th July 2026
71AQI (US)
8th July 2026
62AQI (US)
9th July 2026
82AQI (US)
10th July 2026
83AQI (US)
11th July 2026
57AQI (US)
12th July 2026
45AQI (US)
13th July 2026
45AQI (US)
14th July 2026
45AQI (US)
15th July 2026
43AQI (US)
16th July 2026
35AQI (US)
17th July 2026
26AQI (US)
18th July 2026
31AQI (US)
19th July 2026
45AQI (US)
20th July 2026
32AQI (US)
21st July 2026
36AQI (US)
22nd July 2026
44AQI (US)
23rd July 2026
46AQI (US)
24th July 2026
38AQI (US)
25th July 2026
57AQI (US)
26th July 2026
43AQI (US)
27th July 2026
22AQI (US)
28th July 2026
35AQI (US)
29th July 2026
41AQI (US)
30th July 2026
36AQI (US)
31st July 2026
25AQI (US)
1st August 2026
41AQI (US)
2nd August 2026
32AQI (US)
3rd August 2026
38AQI (US)
4th August 2026
39AQI (US)
5th August 2026
50AQI (US)
6th August 2026
36AQI (US)
7th August 2026
42AQI (US)
8th August 2026
37AQI (US)
9th August 2026
35AQI (US)
10th August 2026
39AQI (US)
11th August 2026
46AQI (US)
12th August 2026
49AQI (US)
13th August 2026
43AQI (US)
14th August 2026
21AQI (US)
15th August 2026
33AQI (US)
16th August 2026
43AQI (US)
17th August 2026
39AQI (US)
18th August 2026
49AQI (US)
19th August 2026
44AQI (US)
20th August 2026
52AQI (US)
21st August 2026
58AQI (US)
22nd August 2026
57AQI (US)
23rd August 2026
46AQI (US)
24th August 2026
37AQI (US)
25th August 2026
31AQI (US)
26th August 2026
39AQI (US)
27th August 2026
31AQI (US)
28th August 2026
40AQI (US)
29th August 2026
38AQI (US)
30th August 2026
39AQI (US)
31st August 2026
30AQI (US)
1st September 2026
36AQI (US)
2nd September 2026
35AQI (US)
3rd September 2026
34AQI (US)
4th September 2026
43AQI (US)
5th September 2026
50AQI (US)
6th September 2026
36AQI (US)
7th September 2026
35AQI (US)
8th September 2026
35AQI (US)
9th September 2026
36AQI (US)
10th September 2026
31AQI (US)
11th September 2026
30AQI (US)
12th September 2026
36AQI (US)
13th September 2026
56AQI (US)
14th September 2026
46AQI (US)
15th September 2026
45AQI (US)
16th September 2026
45AQI (US)
17th September 2026
38AQI (US)
18th September 2026
42AQI (US)
19th September 2026
35AQI (US)
20th September 2026
25AQI (US)
21st September 2026
32AQI (US)
22nd September 2026
36AQI (US)
23rd September 2026
29AQI (US)
24th September 2026
29AQI (US)
25th September 2026
37AQI (US)
26th September 2026
41AQI (US)
27th September 2026
28AQI (US)
28th September 2026
32AQI (US)
29th September 2026
31AQI (US)
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

47AQI (US)

44AQI (US)

35AQI (US)

31AQI (US)

45AQI (US)

62AQI (US)

47AQI (US)

40AQI (US)

37AQI (US)

No. of days

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

202643AQI (US)

20
11
24
4
31
28
16
14
8
22
21
10
28
3
28
1
204
65

Highest AQI (US) recorded in

June

62AQI (US)

Lowest AQI (US) recorded in

April

31AQI (US)

202560AQI (US)

10
21
2
26
12
19
8
22
4
27
1
21
8
2
23
6
7
24
18
12
2
29
13
17
13
18
92
259
14

Highest AQI (US) recorded in

June

85AQI (US)

Lowest AQI (US) recorded in

September

48AQI (US)

202460AQI (US)

13
18
3
26
7
24
5
25
5
24
2
16
14
27
4
9
22
4
26
21
10
11
19
10
21
104
256
6

Highest AQI (US) recorded in

July

80AQI (US)

Lowest AQI (US) recorded in

October

47AQI (US)

202361AQI (US)

8
23
1
25
2
16
15
10
20
1
28
2
6
24
6
23
2
6
25
9
21
3
28
13
16
8
22
1
87
270
7

Highest AQI (US) recorded in

February

76AQI (US)

Lowest AQI (US) recorded in

March

51AQI (US)

202255AQI (US)

10
21
2
18
1
7
24
11
19
2
29
15
15
12
11
1
19
10
20
11
19
11
16
15
134
184
1

Highest AQI (US) recorded in

February

76AQI (US)

Lowest AQI (US) recorded in

August

41AQI (US)

202159AQI (US)

8
20
1
17
11
13
17
1
11
19
7
23
1
3
27
1
28
2
8
20
3
9
21
10
21
13
16
1
9
21
1
109
244
10

Highest AQI (US) recorded in

July

78AQI (US)

Lowest AQI (US) recorded in

February

48AQI (US)

202051AQI (US)

9
4
2
19
1
17
15
15
15
16
14
17
13
17
13
18
18
12
16
15
116
150

Highest AQI (US) recorded in

May

64AQI (US)

Lowest AQI (US) recorded in

March

43AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2023(Avg.)
61AQI (US)
Least Polluted Year Recorded
2026(Avg.)
43AQI (US)

Windows's annual 2026 AQI (US) (43) shows an average percentage change of -25.1% (improved AQI (US)) compared to previous years: 2020 (51), 2021 (59), 2022 (55), 2023 (61), 2024 (60), 2025 (60).