Country Background
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

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
8th Sep 2024
89AQI
Lowest AQI recorded on
20th Sep 2025
27AQI

Same Day Analysis (20th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 27 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 20th Sep - 21st Sep 2025

Windows, Puchuncavi, Valparaiso, Chile

AQI
Day
Night
.

7 AM20th Sep 2025

6 PM

6 AM21st Sep 2025

Day time
Avg. Highest Time
4PM20th Sep

34AQI

Avg. Lowest Time
2PM20th Sep

18AQI

Night time
Avg. Highest Time
8PM20th Sep

27AQI

Avg. Lowest Time
6AM21st Sep

16AQI

In the last 24 hours,

Windows's AQI reached its highest point of 34 at 4 PM during the Day, while the lowest point, 16, was recorded at 6 AM during the Night between 20th Sep and 21st Sep 2025.

Day & Night AQI Trend : Aug - Sep 2025

Windows, Puchuncavi, Valparaiso, Chile

AugSep
22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st
Day
Night
22nd Aug 2025317 AMAQI
22nd Aug 2025228 AMAQI
22nd Aug 2025259 AMAQI
22nd Aug 20253110 AMAQI
22nd Aug 20253011 AMAQI
22nd Aug 20253312 PMAQI
22nd Aug 2025301 PMAQI
22nd Aug 2025322 PMAQI
22nd Aug 2025293 PMAQI
22nd Aug 2025304 PMAQI
22nd Aug 2025305 PMAQI
22nd Aug 2025306 PMAQI
22nd Aug 2025327 PMAQI
22nd Aug 2025328 PMAQI
22nd Aug 2025389 PMAQI
22nd Aug 20253310 PMAQI
22nd Aug 20253211 PMAQI
23rd Aug 20255112 AMAQI
23rd Aug 2025601 AMAQI
23rd Aug 2025502 AMAQI
23rd Aug 2025553 AMAQI
23rd Aug 2025564 AMAQI
23rd Aug 2025505 AMAQI
23rd Aug 2025546 AMAQI

9°C8/10°C

23rd Aug 2025577 AMAQI
23rd Aug 2025558 AMAQI
23rd Aug 2025579 AMAQI
23rd Aug 20255210 AMAQI
23rd Aug 20254311 AMAQI
23rd Aug 20255212 PMAQI
23rd Aug 2025551 PMAQI
23rd Aug 2025562 PMAQI
23rd Aug 2025563 PMAQI
23rd Aug 2025544 PMAQI
23rd Aug 2025575 PMAQI
23rd Aug 2025516 PMAQI
23rd Aug 2025547 PMAQI
23rd Aug 2025538 PMAQI
23rd Aug 2025559 PMAQI
23rd Aug 20255810 PMAQI
23rd Aug 20255611 PMAQI
24th Aug 20255712 AMAQI
24th Aug 2025611 AMAQI
24th Aug 2025582 AMAQI
24th Aug 2025703 AMAQI
24th Aug 2025564 AMAQI
24th Aug 2025585 AMAQI
24th Aug 2025556 AMAQI

10°C7/14°C

24th Aug 2025617 AMAQI
24th Aug 2025608 AMAQI
24th Aug 2025659 AMAQI
24th Aug 20255910 AMAQI
24th Aug 20255611 AMAQI
24th Aug 20255112 PMAQI
24th Aug 2025521 PMAQI
24th Aug 2025552 PMAQI
24th Aug 2025583 PMAQI
24th Aug 2025564 PMAQI
24th Aug 2025605 PMAQI
24th Aug 2025536 PMAQI
24th Aug 2025627 PMAQI
24th Aug 2025628 PMAQI
24th Aug 2025639 PMAQI
24th Aug 20256810 PMAQI
24th Aug 20256411 PMAQI
25th Aug 20256412 AMAQI
25th Aug 2025621 AMAQI
25th Aug 2025562 AMAQI
25th Aug 2025583 AMAQI
25th Aug 2025494 AMAQI
25th Aug 2025295 AMAQI
25th Aug 2025346 AMAQI

11°C8/14°C

25th Aug 2025437 AMAQI
25th Aug 2025518 AMAQI
25th Aug 2025549 AMAQI
25th Aug 20255010 AMAQI
25th Aug 20253811 AMAQI
25th Aug 20254612 PMAQI
25th Aug 2025541 PMAQI
25th Aug 2025512 PMAQI
25th Aug 2025483 PMAQI
25th Aug 2025524 PMAQI
25th Aug 2025525 PMAQI
25th Aug 2025526 PMAQI
25th Aug 2025517 PMAQI
25th Aug 2025528 PMAQI
25th Aug 2025539 PMAQI
25th Aug 20255310 PMAQI
25th Aug 20255411 PMAQI
26th Aug 20254912 AMAQI
26th Aug 2025651 AMAQI
26th Aug 2025632 AMAQI
26th Aug 2025603 AMAQI
26th Aug 2025494 AMAQI
26th Aug 2025555 AMAQI
26th Aug 2025336 AMAQI

12°C10/15°C

26th Aug 2025397 AMAQI
26th Aug 2025518 AMAQI
26th Aug 2025569 AMAQI
26th Aug 20255610 AMAQI
26th Aug 20254811 AMAQI
26th Aug 20255312 PMAQI
26th Aug 2025511 PMAQI
26th Aug 2025592 PMAQI
26th Aug 2025573 PMAQI
26th Aug 2025544 PMAQI
26th Aug 2025565 PMAQI
26th Aug 2025546 PMAQI
26th Aug 2025547 PMAQI
26th Aug 2025568 PMAQI
26th Aug 2025529 PMAQI
26th Aug 20255210 PMAQI
26th Aug 20255211 PMAQI
27th Aug 20255512 AMAQI
27th Aug 2025521 AMAQI
27th Aug 2025562 AMAQI
27th Aug 2025513 AMAQI
27th Aug 2025544 AMAQI
27th Aug 2025565 AMAQI
27th Aug 2025506 AMAQI

13°C11/16°C

27th Aug 2025587 AMAQI
27th Aug 2025568 AMAQI
27th Aug 2025539 AMAQI
27th Aug 20255510 AMAQI
27th Aug 20256011 AMAQI
27th Aug 20256112 PMAQI
27th Aug 2025601 PMAQI
27th Aug 2025562 PMAQI
27th Aug 2025603 PMAQI
27th Aug 2025574 PMAQI
27th Aug 2025555 PMAQI
27th Aug 2025586 PMAQI
27th Aug 2025607 PMAQI
27th Aug 2025588 PMAQI
27th Aug 2025589 PMAQI
27th Aug 20255810 PMAQI
27th Aug 20255811 PMAQI
28th Aug 20255912 AMAQI
28th Aug 2025581 AMAQI
28th Aug 2025722 AMAQI
28th Aug 2025593 AMAQI
28th Aug 2025584 AMAQI
28th Aug 2025565 AMAQI
28th Aug 2025506 AMAQI

13°C12/14°C

28th Aug 2025547 AMAQI
28th Aug 2025538 AMAQI
28th Aug 2025609 AMAQI
28th Aug 20255610 AMAQI
28th Aug 20256111 AMAQI
28th Aug 20255412 PMAQI
28th Aug 2025591 PMAQI
28th Aug 2025562 PMAQI
28th Aug 2025583 PMAQI
28th Aug 2025624 PMAQI
28th Aug 2025575 PMAQI
28th Aug 2025596 PMAQI
28th Aug 2025597 PMAQI
28th Aug 2025578 PMAQI
28th Aug 2025619 PMAQI
28th Aug 20256110 PMAQI
28th Aug 20256011 PMAQI
29th Aug 20255812 AMAQI
29th Aug 2025541 AMAQI
29th Aug 2025412 AMAQI
29th Aug 2025403 AMAQI
29th Aug 2025244 AMAQI
29th Aug 2025315 AMAQI
29th Aug 2025336 AMAQI

12°C11/13°C

29th Aug 2025367 AMAQI
29th Aug 2025448 AMAQI
29th Aug 2025409 AMAQI
29th Aug 20255310 AMAQI
29th Aug 20255511 AMAQI
29th Aug 20255212 PMAQI
29th Aug 2025541 PMAQI
29th Aug 2025552 PMAQI
29th Aug 2025543 PMAQI
29th Aug 2025504 PMAQI
29th Aug 2025515 PMAQI
29th Aug 2025516 PMAQI
29th Aug 2025527 PMAQI
29th Aug 2025518 PMAQI
29th Aug 2025529 PMAQI
29th Aug 20255010 PMAQI
29th Aug 20255611 PMAQI
30th Aug 20255612 AMAQI
30th Aug 2025521 AMAQI
30th Aug 2025412 AMAQI
30th Aug 2025413 AMAQI
30th Aug 2025504 AMAQI
30th Aug 2025495 AMAQI
30th Aug 2025466 AMAQI

12°C11/13°C

30th Aug 2025487 AMAQI
30th Aug 2025428 AMAQI
30th Aug 2025519 AMAQI
30th Aug 20255210 AMAQI
30th Aug 20255111 AMAQI
30th Aug 20254912 PMAQI
30th Aug 2025561 PMAQI
30th Aug 2025562 PMAQI
30th Aug 2025583 PMAQI
30th Aug 2025544 PMAQI
30th Aug 2025565 PMAQI
30th Aug 2025526 PMAQI
30th Aug 2025527 PMAQI
30th Aug 2025538 PMAQI
30th Aug 2025539 PMAQI
30th Aug 20255410 PMAQI
30th Aug 20255411 PMAQI
31st Aug 20255912 AMAQI
31st Aug 2025721 AMAQI
31st Aug 2025622 AMAQI
31st Aug 2025593 AMAQI
31st Aug 2025574 AMAQI
31st Aug 2025505 AMAQI
31st Aug 2025646 AMAQI

12°C11/13°C

31st Aug 2025607 AMAQI
31st Aug 2025548 AMAQI
31st Aug 2025639 AMAQI
31st Aug 20255810 AMAQI
31st Aug 20256111 AMAQI
31st Aug 20255412 PMAQI
31st Aug 2025561 PMAQI
31st Aug 2025562 PMAQI
31st Aug 2025633 PMAQI
31st Aug 2025624 PMAQI
31st Aug 2025625 PMAQI
31st Aug 2025656 PMAQI
31st Aug 2025637 PMAQI
31st Aug 2025668 PMAQI
31st Aug 2025639 PMAQI
31st Aug 20256010 PMAQI
31st Aug 20255811 PMAQI
1st Sep 20255812 AMAQI
1st Sep 2025621 AMAQI
1st Sep 2025692 AMAQI
1st Sep 2025533 AMAQI
1st Sep 2025494 AMAQI
1st Sep 2025565 AMAQI
1st Sep 2025546 AMAQI

12°C11/14°C

1st Sep 2025487 AMAQI
1st Sep 2025578 AMAQI
1st Sep 2025549 AMAQI
1st Sep 20255310 AMAQI
1st Sep 20255411 AMAQI
1st Sep 20255512 PMAQI
1st Sep 2025561 PMAQI
1st Sep 2025592 PMAQI
1st Sep 2025573 PMAQI
1st Sep 2025604 PMAQI
1st Sep 2025485 PMAQI
1st Sep 2025596 PMAQI
1st Sep 2025617 PMAQI
1st Sep 2025598 PMAQI
1st Sep 2025579 PMAQI
1st Sep 20255910 PMAQI
1st Sep 20255711 PMAQI
2nd Sep 20255812 AMAQI
2nd Sep 2025341 AMAQI
2nd Sep 2025402 AMAQI
2nd Sep 2025423 AMAQI
2nd Sep 2025344 AMAQI
2nd Sep 2025395 AMAQI
2nd Sep 2025486 AMAQI

13°C11/15°C

2nd Sep 2025477 AMAQI
2nd Sep 2025458 AMAQI
2nd Sep 2025459 AMAQI
2nd Sep 20254710 AMAQI
2nd Sep 20255011 AMAQI
2nd Sep 20254412 PMAQI
2nd Sep 2025481 PMAQI
2nd Sep 2025512 PMAQI
2nd Sep 2025483 PMAQI
2nd Sep 2025464 PMAQI
2nd Sep 2025475 PMAQI
2nd Sep 2025466 PMAQI
2nd Sep 2025437 PMAQI
2nd Sep 2025468 PMAQI
2nd Sep 2025469 PMAQI
2nd Sep 20255110 PMAQI
2nd Sep 20254711 PMAQI
3rd Sep 20254812 AMAQI
3rd Sep 2025461 AMAQI
3rd Sep 2025452 AMAQI
3rd Sep 2025343 AMAQI
3rd Sep 2025484 AMAQI
3rd Sep 2025405 AMAQI
3rd Sep 2025426 AMAQI

12°C10/14°C

3rd Sep 2025427 AMAQI
3rd Sep 2025438 AMAQI
3rd Sep 2025429 AMAQI
3rd Sep 20254710 AMAQI
3rd Sep 20255811 AMAQI
3rd Sep 20255312 PMAQI
3rd Sep 2025541 PMAQI
3rd Sep 2025552 PMAQI
3rd Sep 2025523 PMAQI
3rd Sep 2025514 PMAQI
3rd Sep 2025505 PMAQI
3rd Sep 2025516 PMAQI
3rd Sep 2025527 PMAQI
3rd Sep 2025528 PMAQI
3rd Sep 2025499 PMAQI
3rd Sep 20254910 PMAQI
3rd Sep 20255611 PMAQI
4th Sep 20255412 AMAQI
4th Sep 2025591 AMAQI
4th Sep 2025732 AMAQI
4th Sep 2025703 AMAQI
4th Sep 2025384 AMAQI
4th Sep 2025275 AMAQI
4th Sep 2025216 AMAQI

11°C9/14°C

4th Sep 2025197 AMAQI
4th Sep 2025188 AMAQI
4th Sep 2025219 AMAQI
4th Sep 20253510 AMAQI
4th Sep 20254411 AMAQI
4th Sep 20259012 PMAQI
4th Sep 2025631 PMAQI
4th Sep 2025582 PMAQI
4th Sep 2025563 PMAQI
4th Sep 2025494 PMAQI
4th Sep 2025545 PMAQI
4th Sep 2025516 PMAQI
4th Sep 2025507 PMAQI
4th Sep 2025518 PMAQI
4th Sep 2025499 PMAQI
4th Sep 20255610 PMAQI
4th Sep 20255111 PMAQI
5th Sep 20254312 AMAQI
5th Sep 2025391 AMAQI
5th Sep 2025662 AMAQI
5th Sep 2025613 AMAQI
5th Sep 2025624 AMAQI
5th Sep 2025665 AMAQI
5th Sep 2025656 AMAQI

11°C9/12°C

5th Sep 2025667 AMAQI
5th Sep 2025618 AMAQI
5th Sep 2025599 AMAQI
5th Sep 20256810 AMAQI
5th Sep 20256611 AMAQI
5th Sep 20256612 PMAQI
5th Sep 2025651 PMAQI
5th Sep 2025602 PMAQI
5th Sep 2025693 PMAQI
5th Sep 2025744 PMAQI
5th Sep 2025725 PMAQI
5th Sep 2025716 PMAQI
5th Sep 2025727 PMAQI
5th Sep 2025598 PMAQI
5th Sep 2025649 PMAQI
5th Sep 20256710 PMAQI
5th Sep 20256511 PMAQI
6th Sep 20255812 AMAQI
6th Sep 2025571 AMAQI
6th Sep 2025602 AMAQI
6th Sep 2025593 AMAQI
6th Sep 2025674 AMAQI
6th Sep 2025565 AMAQI
6th Sep 2025566 AMAQI

11°C9/12°C

6th Sep 2025557 AMAQI
6th Sep 2025538 AMAQI
6th Sep 2025539 AMAQI
6th Sep 20255410 AMAQI
6th Sep 20255011 AMAQI
6th Sep 20255412 PMAQI
6th Sep 2025531 PMAQI
6th Sep 2025522 PMAQI
6th Sep 2025553 PMAQI
6th Sep 2025564 PMAQI
6th Sep 2025595 PMAQI
6th Sep 2025596 PMAQI
6th Sep 2025607 PMAQI
6th Sep 2025638 PMAQI
6th Sep 2025609 PMAQI
6th Sep 20256210 PMAQI
6th Sep 20255811 PMAQI
7th Sep 2025521 AMAQI
7th Sep 2025612 AMAQI
7th Sep 2025563 AMAQI
7th Sep 2025584 AMAQI
7th Sep 2025585 AMAQI
7th Sep 2025456 AMAQI

10°C9/12°C

7th Sep 2025467 AMAQI
7th Sep 2025428 AMAQI
7th Sep 2025479 AMAQI
7th Sep 20254410 AMAQI
7th Sep 20254211 AMAQI
7th Sep 20254312 PMAQI
7th Sep 2025431 PMAQI
7th Sep 2025422 PMAQI
7th Sep 2025463 PMAQI
7th Sep 2025534 PMAQI
7th Sep 2025525 PMAQI
7th Sep 2025516 PMAQI
7th Sep 2025437 PMAQI
7th Sep 2025518 PMAQI
7th Sep 2025429 PMAQI
7th Sep 20254810 PMAQI
7th Sep 20254611 PMAQI
8th Sep 20254412 AMAQI
8th Sep 2025341 AMAQI
8th Sep 2025362 AMAQI
8th Sep 2025283 AMAQI
8th Sep 2025344 AMAQI
8th Sep 2025355 AMAQI
8th Sep 2025226 AMAQI

11°C10/11°C

8th Sep 2025257 AMAQI
8th Sep 2025358 AMAQI
8th Sep 2025349 AMAQI
8th Sep 20253610 AMAQI
8th Sep 20254411 AMAQI
8th Sep 20253012 PMAQI
8th Sep 2025301 PMAQI
8th Sep 2025462 PMAQI
8th Sep 2025533 PMAQI
8th Sep 2025424 PMAQI
8th Sep 2025405 PMAQI
8th Sep 2025426 PMAQI
8th Sep 2025387 PMAQI
8th Sep 2025408 PMAQI
8th Sep 2025379 PMAQI
8th Sep 20253610 PMAQI
8th Sep 20254211 PMAQI
9th Sep 20254212 AMAQI
9th Sep 2025441 AMAQI
9th Sep 2025402 AMAQI
9th Sep 2025223 AMAQI
9th Sep 2025204 AMAQI
9th Sep 2025315 AMAQI
9th Sep 2025226 AMAQI

12°C11/13°C

9th Sep 2025367 AMAQI
9th Sep 2025308 AMAQI
9th Sep 2025369 AMAQI
9th Sep 20254210 AMAQI
9th Sep 20253811 AMAQI
9th Sep 20253512 PMAQI
9th Sep 2025361 PMAQI
9th Sep 2025502 PMAQI
9th Sep 2025503 PMAQI
9th Sep 2025394 PMAQI
9th Sep 2025465 PMAQI
9th Sep 2025406 PMAQI
9th Sep 2025437 PMAQI
9th Sep 2025388 PMAQI
9th Sep 2025369 PMAQI
9th Sep 20254610 PMAQI
9th Sep 20253911 PMAQI
10th Sep 20253512 AMAQI
10th Sep 2025431 AMAQI
10th Sep 2025222 AMAQI
10th Sep 2025203 AMAQI
10th Sep 2025304 AMAQI
10th Sep 2025245 AMAQI
10th Sep 2025346 AMAQI

12°C10/15°C

10th Sep 2025207 AMAQI
10th Sep 2025328 AMAQI
10th Sep 2025409 AMAQI
10th Sep 20254910 AMAQI
10th Sep 20254911 AMAQI
10th Sep 20254612 PMAQI
10th Sep 2025501 PMAQI
10th Sep 2025542 PMAQI
10th Sep 2025563 PMAQI
10th Sep 2025384 PMAQI
10th Sep 2025385 PMAQI
10th Sep 2025426 PMAQI
10th Sep 2025397 PMAQI
10th Sep 2025408 PMAQI
10th Sep 2025409 PMAQI
10th Sep 20254410 PMAQI
10th Sep 20254011 PMAQI
11th Sep 20254212 AMAQI
11th Sep 2025381 AMAQI
11th Sep 2025452 AMAQI
11th Sep 2025513 AMAQI
11th Sep 2025544 AMAQI
11th Sep 2025585 AMAQI
11th Sep 2025336 AMAQI

14°C11/18°C

11th Sep 2025417 AMAQI
11th Sep 2025408 AMAQI
11th Sep 2025479 AMAQI
11th Sep 20254810 AMAQI
11th Sep 20254711 AMAQI
11th Sep 20255012 PMAQI
11th Sep 2025531 PMAQI
11th Sep 2025612 PMAQI
11th Sep 2025583 PMAQI
11th Sep 2025564 PMAQI
11th Sep 2025595 PMAQI
11th Sep 2025506 PMAQI
11th Sep 2025537 PMAQI
11th Sep 2025548 PMAQI
11th Sep 2025519 PMAQI
11th Sep 20255210 PMAQI
11th Sep 20255511 PMAQI
12th Sep 20255412 AMAQI
12th Sep 2025671 AMAQI
12th Sep 2025652 AMAQI
12th Sep 2025773 AMAQI
12th Sep 2025674 AMAQI
12th Sep 2025725 AMAQI
12th Sep 2025766 AMAQI

13°C11/15°C

12th Sep 2025817 AMAQI
12th Sep 2025788 AMAQI
12th Sep 2025729 AMAQI
12th Sep 20256710 AMAQI
12th Sep 20256411 AMAQI
12th Sep 20257012 PMAQI
12th Sep 2025631 PMAQI
12th Sep 2025662 PMAQI
12th Sep 2025663 PMAQI
12th Sep 2025744 PMAQI
12th Sep 2025705 PMAQI
12th Sep 2025716 PMAQI
12th Sep 2025727 PMAQI
12th Sep 2025708 PMAQI
12th Sep 2025749 PMAQI
12th Sep 20257010 PMAQI
12th Sep 20256811 PMAQI
13th Sep 20257212 AMAQI
13th Sep 2025661 AMAQI
13th Sep 2025542 AMAQI
13th Sep 2025453 AMAQI
13th Sep 2025364 AMAQI
13th Sep 2025335 AMAQI
13th Sep 2025356 AMAQI

12°C10/14°C

13th Sep 2025387 AMAQI
13th Sep 2025398 AMAQI
13th Sep 2025389 AMAQI
13th Sep 20253910 AMAQI
13th Sep 20254011 AMAQI
13th Sep 20254812 PMAQI
13th Sep 2025501 PMAQI
13th Sep 2025542 PMAQI
13th Sep 2025553 PMAQI
13th Sep 2025534 PMAQI
13th Sep 2025515 PMAQI
13th Sep 2025546 PMAQI
13th Sep 2025527 PMAQI
13th Sep 2025528 PMAQI
13th Sep 2025519 PMAQI
13th Sep 20255110 PMAQI
13th Sep 20255011 PMAQI
14th Sep 20255012 AMAQI
14th Sep 2025551 AMAQI
14th Sep 2025602 AMAQI
14th Sep 2025583 AMAQI
14th Sep 2025534 AMAQI
14th Sep 2025485 AMAQI
14th Sep 2025576 AMAQI

12°C9/14°C

14th Sep 2025397 AMAQI
14th Sep 2025468 AMAQI
14th Sep 2025399 AMAQI
14th Sep 20254510 AMAQI
14th Sep 20254511 AMAQI
14th Sep 20254312 PMAQI
14th Sep 2025471 PMAQI
14th Sep 2025502 PMAQI
14th Sep 2025563 PMAQI
14th Sep 2025544 PMAQI
14th Sep 2025525 PMAQI
14th Sep 2025556 PMAQI
14th Sep 2025527 PMAQI
14th Sep 2025528 PMAQI
14th Sep 2025539 PMAQI
14th Sep 20255010 PMAQI
14th Sep 20255311 PMAQI
15th Sep 20255612 AMAQI
15th Sep 2025561 AMAQI
15th Sep 2025642 AMAQI
15th Sep 2025653 AMAQI
15th Sep 2025624 AMAQI
15th Sep 2025385 AMAQI
15th Sep 2025536 AMAQI

12°C10/14°C

15th Sep 2025457 AMAQI
15th Sep 2025368 AMAQI
15th Sep 2025549 AMAQI
15th Sep 20255010 AMAQI
15th Sep 20255611 AMAQI
15th Sep 20256112 PMAQI
15th Sep 2025611 PMAQI
15th Sep 2025592 PMAQI
15th Sep 2025663 PMAQI
15th Sep 2025654 PMAQI
15th Sep 2025585 PMAQI
15th Sep 2025586 PMAQI
15th Sep 2025577 PMAQI
15th Sep 2025588 PMAQI
15th Sep 2025569 PMAQI
15th Sep 20256010 PMAQI
15th Sep 20256611 PMAQI
16th Sep 20255812 AMAQI
16th Sep 2025541 AMAQI
16th Sep 2025662 AMAQI
16th Sep 2025643 AMAQI
16th Sep 2025604 AMAQI
16th Sep 2025585 AMAQI
16th Sep 2025576 AMAQI

13°C11/15°C

16th Sep 2025467 AMAQI
16th Sep 2025548 AMAQI
16th Sep 2025529 AMAQI
16th Sep 20255510 AMAQI
16th Sep 20255611 AMAQI
16th Sep 20255312 PMAQI
16th Sep 2025551 PMAQI
16th Sep 2025572 PMAQI
16th Sep 2025623 PMAQI
16th Sep 2025584 PMAQI
16th Sep 2025605 PMAQI
16th Sep 2025596 PMAQI
16th Sep 2025587 PMAQI
16th Sep 2025608 PMAQI
16th Sep 2025599 PMAQI
16th Sep 20255710 PMAQI
16th Sep 20255111 PMAQI
17th Sep 20255412 AMAQI
17th Sep 2025501 AMAQI
17th Sep 2025462 AMAQI
17th Sep 2025553 AMAQI
17th Sep 2025474 AMAQI
17th Sep 2025415 AMAQI
17th Sep 2025426 AMAQI

12°C11/14°C

17th Sep 2025427 AMAQI
17th Sep 2025478 AMAQI
17th Sep 2025459 AMAQI
17th Sep 20254410 AMAQI
17th Sep 20253911 AMAQI
17th Sep 20254112 PMAQI
17th Sep 2025441 PMAQI
17th Sep 2025442 PMAQI
17th Sep 2025463 PMAQI
17th Sep 2025424 PMAQI
17th Sep 2025405 PMAQI
17th Sep 2025406 PMAQI
17th Sep 2025447 PMAQI
17th Sep 2025438 PMAQI
17th Sep 2025429 PMAQI
17th Sep 20255210 PMAQI
17th Sep 20255711 PMAQI
18th Sep 20256012 AMAQI
18th Sep 2025631 AMAQI
18th Sep 2025562 AMAQI
18th Sep 2025563 AMAQI
18th Sep 2025534 AMAQI
18th Sep 2025485 AMAQI
18th Sep 2025486 AMAQI

12°C10/15°C

18th Sep 2025417 AMAQI
18th Sep 2025438 AMAQI
18th Sep 2025409 AMAQI
18th Sep 20254210 AMAQI
18th Sep 20255011 AMAQI
18th Sep 20255212 PMAQI
18th Sep 2025561 PMAQI
18th Sep 2025612 PMAQI
18th Sep 2025623 PMAQI
18th Sep 2025704 PMAQI
18th Sep 2025585 PMAQI
18th Sep 2025536 PMAQI
18th Sep 2025487 PMAQI
18th Sep 2025448 PMAQI
18th Sep 2025469 PMAQI
18th Sep 20255010 PMAQI
18th Sep 20255111 PMAQI
19th Sep 20255812 AMAQI
19th Sep 2025591 AMAQI
19th Sep 2025662 AMAQI
19th Sep 2025693 AMAQI
19th Sep 2025664 AMAQI
19th Sep 2025645 AMAQI
19th Sep 2025546 AMAQI

12°C11/14°C

19th Sep 2025497 AMAQI
19th Sep 2025448 AMAQI
19th Sep 2025409 AMAQI
19th Sep 20253810 AMAQI
19th Sep 20254211 AMAQI
19th Sep 20254612 PMAQI
19th Sep 2025481 PMAQI
19th Sep 2025502 PMAQI
19th Sep 2025563 PMAQI
19th Sep 2025594 PMAQI
19th Sep 2025615 PMAQI
19th Sep 2025656 PMAQI
19th Sep 2025597 PMAQI
19th Sep 2025508 PMAQI
19th Sep 2025459 PMAQI
19th Sep 20254810 PMAQI
19th Sep 20254411 PMAQI
20th Sep 20253912 AMAQI
20th Sep 2025291 AMAQI
20th Sep 2025252 AMAQI
20th Sep 2025283 AMAQI
20th Sep 2025244 AMAQI
20th Sep 2025285 AMAQI
20th Sep 2025326 AMAQI

13°C11/15°C

20th Sep 2025257 AMAQI
20th Sep 2025258 AMAQI
20th Sep 2025279 AMAQI
20th Sep 20252710 AMAQI
20th Sep 20252311 AMAQI
20th Sep 20252012 PMAQI
20th Sep 2025201 PMAQI
20th Sep 2025182 PMAQI
20th Sep 2025303 PMAQI
20th Sep 2025344 PMAQI
20th Sep 2025285 PMAQI
20th Sep 2025246 PMAQI
20th Sep 2025287 PMAQI
20th Sep 2025278 PMAQI
20th Sep 2025269 PMAQI
20th Sep 20252410 PMAQI
20th Sep 20252511 PMAQI
21st Sep 20252412 AMAQI
21st Sep 2025261 AMAQI
21st Sep 2025212 AMAQI
21st Sep 2025233 AMAQI
21st Sep 2025214 AMAQI
21st Sep 2025185 AMAQI
21st Sep 2025166 AMAQI

12°C11/14°C

21st Sep 2025177 AMAQI
7 AM
21st Sep 2025208 AMAQI
21st Sep 2025219 AMAQI
21st Sep 20252210 AMAQI
12 PM
6 PM
12 AM
6 AM

--°C/°C

Day time
Avg. Highest Time
3 PM

55AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
7 AM - 8 AM

44AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 PM to 3 PM (Avg. 55), while the lowest AQI was between 7 AM to 8 AM (Avg. 44).
Night time
Avg. Highest Time
10 PM - 11 PM

53AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
6 AM

43AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 11 PM (Avg. 53), while the lowest AQI was between 6 AM to 6 AM (Avg. 43).

2025 Days Vs Air Quality

Windows, Puchuncavi, Valparaiso, Chile

2025

22%

57

73%

192

5%

14

Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)

Good
57 Days
Moderate
192 Days
Poor
14 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 22%

Health Risk Level:

Very high

In 2025, 22% of 264 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.

Annual Air Quality Insights

Windows, Puchuncavi, Valparaiso, Chile

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.

-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
68AQI
2nd January 2025
63AQI
3rd January 2025
58AQI
4th January 2025
54AQI
5th January 2025
57AQI
6th January 2025
42AQI
7th January 2025
31AQI
8th January 2025
39AQI
9th January 2025
42AQI
10th January 2025
59AQI
11th January 2025
63AQI
12th January 2025
52AQI
13th January 2025
41AQI
14th January 2025
56AQI
15th January 2025
53AQI
16th January 2025
46AQI
17th January 2025
63AQI
18th January 2025
62AQI
19th January 2025
67AQI
20th January 2025
63AQI
21st January 2025
48AQI
22nd January 2025
41AQI
23rd January 2025
50AQI
24th January 2025
62AQI
25th January 2025
72AQI
26th January 2025
51AQI
27th January 2025
58AQI
28th January 2025
50AQI
29th January 2025
51AQI
30th January 2025
51AQI
31st January 2025
61AQI
1st February 2025
54AQI
2nd February 2025
64AQI
3rd February 2025
62AQI
4th February 2025
70AQI
5th February 2025
65AQI
6th February 2025
53AQI
7th February 2025
57AQI
8th February 2025
66AQI
9th February 2025
55AQI
10th February 2025
56AQI
11th February 2025
71AQI
12th February 2025
73AQI
13th February 2025
73AQI
14th February 2025
63AQI
15th February 2025
64AQI
16th February 2025
58AQI
17th February 2025
61AQI
18th February 2025
72AQI
19th February 2025
62AQI
20th February 2025
57AQI
21st February 2025
53AQI
22nd February 2025
60AQI
23rd February 2025
65AQI
24th February 2025
54AQI
25th February 2025
48AQI
26th February 2025
63AQI
27th February 2025
67AQI
28th February 2025
50AQI
1st March 2025
41AQI
2nd March 2025
38AQI
3rd March 2025
40AQI
4th March 2025
59AQI
5th March 2025
48AQI
6th March 2025
47AQI
7th March 2025
42AQI
8th March 2025
55AQI
9th March 2025
61AQI
10th March 2025
54AQI
11th March 2025
58AQI
12th March 2025
59AQI
13th March 2025
55AQI
14th March 2025
50AQI
15th March 2025
50AQI
16th March 2025
49AQI
17th March 2025
54AQI
18th March 2025
58AQI
19th March 2025
46AQI
20th March 2025
49AQI
21st March 2025
55AQI
22nd March 2025
55AQI
23rd March 2025
63AQI
24th March 2025
64AQI
25th March 2025
56AQI
26th March 2025
68AQI
27th March 2025
71AQI
28th March 2025
67AQI
29th March 2025
60AQI
30th March 2025
46AQI
31st March 2025
57AQI
1st April 2025
59AQI
2nd April 2025
56AQI
3rd April 2025
53AQI
4th April 2025
51AQI
5th April 2025
41AQI
6th April 2025
43AQI
7th April 2025
44AQI
8th April 2025
56AQI
9th April 2025
68AQI
10th April 2025
57AQI
11th April 2025
52AQI
12th April 2025
57AQI
13th April 2025
53AQI
14th April 2025
41AQI
15th April 2025
46AQI
16th April 2025
55AQI
17th April 2025
58AQI
18th April 2025
59AQI
19th April 2025
60AQI
20th April 2025
66AQI
21st April 2025
63AQI
22nd April 2025
61AQI
23rd April 2025
46AQI
24th April 2025
36AQI
25th April 2025
39AQI
26th April 2025
58AQI
27th April 2025
64AQI
28th April 2025
59AQI
29th April 2025
64AQI
30th April 2025
54AQI
1st May 2025
55AQI
2nd May 2025
66AQI
3rd May 2025
70AQI
4th May 2025
67AQI
5th May 2025
57AQI
6th May 2025
58AQI
7th May 2025
62AQI
8th May 2025
48AQI
9th May 2025
44AQI
10th May 2025
55AQI
11th May 2025
53AQI
12th May 2025
71AQI
13th May 2025
70AQI
14th May 2025
82AQI
15th May 2025
83AQI
16th May 2025
93AQI
17th May 2025
71AQI
18th May 2025
65AQI
19th May 2025
58AQI
20th May 2025
65AQI
21st May 2025
73AQI
22nd May 2025
68AQI
23rd May 2025
66AQI
24th May 2025
74AQI
25th May 2025
77AQI
26th May 2025
48AQI
27th May 2025
48AQI
28th May 2025
66AQI
29th May 2025
78AQI
30th May 2025
85AQI
31st May 2025
96AQI
1st June 2025
100AQI
2nd June 2025
96AQI
3rd June 2025
111AQI
4th June 2025
96AQI
5th June 2025
104AQI
6th June 2025
81AQI
7th June 2025
66AQI
8th June 2025
105AQI
9th June 2025
120AQI
10th June 2025
115AQI
11th June 2025
77AQI
12th June 2025
55AQI
13th June 2025
62AQI
14th June 2025
70AQI
15th June 2025
69AQI
16th June 2025
38AQI
17th June 2025
65AQI
18th June 2025
78AQI
19th June 2025
78AQI
20th June 2025
82AQI
21st June 2025
84AQI
22nd June 2025
73AQI
23rd June 2025
67AQI
24th June 2025
78AQI
25th June 2025
80AQI
26th June 2025
88AQI
27th June 2025
89AQI
28th June 2025
104AQI
29th June 2025
110AQI
30th June 2025
109AQI
1st July 2025
116AQI
2nd July 2025
105AQI
3rd July 2025
99AQI
4th July 2025
105AQI
5th July 2025
74AQI
6th July 2025
51AQI
7th July 2025
63AQI
8th July 2025
64AQI
9th July 2025
72AQI
10th July 2025
91AQI
11th July 2025
117AQI
12th July 2025
140AQI
13th July 2025
96AQI
14th July 2025
66AQI
15th July 2025
65AQI
16th July 2025
77AQI
17th July 2025
71AQI
18th July 2025
80AQI
19th July 2025
93AQI
20th July 2025
114AQI
21st July 2025
88AQI
22nd July 2025
85AQI
23rd July 2025
78AQI
24th July 2025
70AQI
25th July 2025
57AQI
26th July 2025
68AQI
27th July 2025
64AQI
28th July 2025
60AQI
29th July 2025
62AQI
30th July 2025
48AQI
31st July 2025
47AQI
1st August 2025
34AQI
2nd August 2025
42AQI
3rd August 2025
66AQI
4th August 2025
69AQI
5th August 2025
71AQI
6th August 2025
69AQI
7th August 2025
56AQI
8th August 2025
64AQI
9th August 2025
55AQI
10th August 2025
70AQI
11th August 2025
69AQI
12th August 2025
63AQI
13th August 2025
56AQI
14th August 2025
58AQI
15th August 2025
49AQI
16th August 2025
52AQI
17th August 2025
63AQI
18th August 2025
54AQI
19th August 2025
56AQI
20th August 2025
53AQI
21st August 2025
32AQI
22nd August 2025
29AQI
23rd August 2025
54AQI
24th August 2025
59AQI
25th August 2025
50AQI
26th August 2025
53AQI
27th August 2025
56AQI
28th August 2025
58AQI
29th August 2025
47AQI
30th August 2025
51AQI
31st August 2025
61AQI
1st September 2025
57AQI
2nd September 2025
45AQI
3rd September 2025
48AQI
4th September 2025
45AQI
5th September 2025
64AQI
6th September 2025
58AQI
7th September 2025
49AQI
8th September 2025
37AQI
9th September 2025
37AQI
10th September 2025
38AQI
11th September 2025
50AQI
12th September 2025
70AQI
13th September 2025
48AQI
14th September 2025
51AQI
15th September 2025
57AQI
16th September 2025
57AQI
17th September 2025
46AQI
18th September 2025
52AQI
19th September 2025
54AQI
20th September 2025
27AQI
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025

54AQI

61AQI

54AQI

54AQI

67AQI

85AQI

80AQI

55AQI

50AQI

No. of days

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

202563AQI

10
21
2
26
12
19
8
22
4
27
1
21
8
2
23
6
7
24
11
9
57
192
14

Highest AQI recorded in

June

85AQI

Lowest AQI recorded in

September

50AQI

202460AQI

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 recorded in

July

80AQI

Lowest AQI recorded in

October

47AQI

202361AQI

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 recorded in

February

76AQI

Lowest AQI recorded in

March

51AQI

202255AQI

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 recorded in

February

76AQI

Lowest AQI recorded in

August

41AQI

202159AQI

8
21
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
245
10

Highest AQI recorded in

July

78AQI

Lowest AQI recorded in

February

48AQI

202051AQI

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

Highest AQI recorded in

May

64AQI

Lowest AQI recorded in

March

43AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
63AQI
Least Polluted Year Recorded
2020(Avg.)
51AQI

Windows's annual 2025 AQI (63) shows an average percentage change of 9.7% (worsened AQI) compared to previous years: 2020 (51), 2021 (59), 2022 (55), 2023 (61), 2024 (60).