Istanbul, Cayirova, Kocaeli, Turkey 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
Istanbul, Cayirova, Kocaeli, Turkey
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Sep 2023
99AQILowest AQI recorded on
6th Sep 2022
23AQISame Day Analysis (21st September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 39 of Good air quality, showing improvement over 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 22nd Sep - 23rd Sep 2025
Istanbul, Cayirova, Kocaeli, Turkey
AQI
Day
Night
.
6 AM22nd Sep 2025
7 PM
5 AM23rd Sep 2025
Day time
Avg. Highest Time
6PM22nd Sep
44AQI
Avg. Lowest Time
7AM22nd Sep
37AQI
Night time
Avg. Highest Time
4AM23rd Sep
52AQI
Avg. Lowest Time
2AM23rd Sep
40AQI
In the last 24 hours,
Istanbul's AQI reached its highest point of 52 at 4 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 22nd Sep and 23rd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Istanbul, Cayirova, Kocaeli, Turkey
AugSep
24th - 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 - 22nd22nd - 23rd23rd
Day
Night
24th Aug 2025556 AMAQI
24th Aug 2025537 AMAQI
24th Aug 2025528 AMAQI
24th Aug 2025459 AMAQI
24th Aug 20254910 AMAQI
24th Aug 20254911 AMAQI
24th Aug 20255012 PMAQI
24th Aug 2025501 PMAQI
24th Aug 2025542 PMAQI
24th Aug 2025543 PMAQI
24th Aug 2025544 PMAQI
24th Aug 2025555 PMAQI
24th Aug 2025546 PMAQI
24th Aug 2025547 PMAQI
24th Aug 2025548 PMAQI
24th Aug 2025549 PMAQI
24th Aug 20255410 PMAQI
24th Aug 20255511 PMAQI
25th Aug 20255512 AMAQI
25th Aug 2025551 AMAQI
25th Aug 2025562 AMAQI
25th Aug 2025423 AMAQI
25th Aug 2025464 AMAQI
25th Aug 2025485 AMAQI
24°C21/27°C
25th Aug 2025516 AMAQI
25th Aug 2025507 AMAQI
25th Aug 2025498 AMAQI
25th Aug 2025509 AMAQI
25th Aug 20254810 AMAQI
25th Aug 20254811 AMAQI
25th Aug 20254612 PMAQI
25th Aug 2025491 PMAQI
25th Aug 2025492 PMAQI
25th Aug 2025483 PMAQI
25th Aug 2025464 PMAQI
25th Aug 2025465 PMAQI
25th Aug 2025466 PMAQI
25th Aug 2025467 PMAQI
25th Aug 2025458 PMAQI
25th Aug 2025489 PMAQI
25th Aug 20255010 PMAQI
25th Aug 20255211 PMAQI
26th Aug 20255112 AMAQI
26th Aug 2025501 AMAQI
26th Aug 2025512 AMAQI
26th Aug 2025393 AMAQI
26th Aug 2025354 AMAQI
26th Aug 2025355 AMAQI
23°C20/26°C
26th Aug 2025396 AMAQI
26th Aug 2025307 AMAQI
26th Aug 2025288 AMAQI
26th Aug 2025319 AMAQI
26th Aug 20253210 AMAQI
26th Aug 20253011 AMAQI
26th Aug 20253412 PMAQI
26th Aug 2025341 PMAQI
26th Aug 2025362 PMAQI
26th Aug 2025353 PMAQI
26th Aug 2025344 PMAQI
26th Aug 2025355 PMAQI
26th Aug 2025366 PMAQI
26th Aug 2025377 PMAQI
26th Aug 2025368 PMAQI
26th Aug 2025389 PMAQI
26th Aug 20253910 PMAQI
26th Aug 20253811 PMAQI
27th Aug 20253912 AMAQI
27th Aug 2025371 AMAQI
27th Aug 2025402 AMAQI
27th Aug 2025273 AMAQI
27th Aug 2025304 AMAQI
27th Aug 2025295 AMAQI
22°C19/26°C
27th Aug 2025296 AMAQI
27th Aug 2025277 AMAQI
27th Aug 2025508 AMAQI
27th Aug 2025489 AMAQI
27th Aug 20253010 AMAQI
27th Aug 20252911 AMAQI
27th Aug 20253112 PMAQI
27th Aug 2025281 PMAQI
27th Aug 2025322 PMAQI
27th Aug 2025313 PMAQI
27th Aug 2025334 PMAQI
27th Aug 2025315 PMAQI
27th Aug 2025326 PMAQI
27th Aug 2025317 PMAQI
27th Aug 2025328 PMAQI
27th Aug 2025309 PMAQI
27th Aug 20253410 PMAQI
27th Aug 20253311 PMAQI
28th Aug 20253412 AMAQI
28th Aug 2025331 AMAQI
28th Aug 2025342 AMAQI
28th Aug 2025343 AMAQI
28th Aug 2025224 AMAQI
28th Aug 2025245 AMAQI
23°C20/26°C
28th Aug 2025236 AMAQI
28th Aug 2025227 AMAQI
28th Aug 2025208 AMAQI
28th Aug 2025209 AMAQI
28th Aug 20252310 AMAQI
28th Aug 20252811 AMAQI
28th Aug 20253412 PMAQI
28th Aug 2025291 PMAQI
28th Aug 2025292 PMAQI
28th Aug 2025303 PMAQI
28th Aug 2025314 PMAQI
28th Aug 2025305 PMAQI
28th Aug 2025316 PMAQI
28th Aug 2025357 PMAQI
28th Aug 2025338 PMAQI
28th Aug 2025309 PMAQI
28th Aug 20253210 PMAQI
28th Aug 20253011 PMAQI
29th Aug 20253012 AMAQI
29th Aug 2025311 AMAQI
29th Aug 2025342 AMAQI
29th Aug 2025413 AMAQI
29th Aug 2025384 AMAQI
29th Aug 2025425 AMAQI
23°C21/26°C
29th Aug 2025406 AMAQI
29th Aug 2025457 AMAQI
29th Aug 2025508 AMAQI
29th Aug 2025439 AMAQI
29th Aug 20254610 AMAQI
29th Aug 20254611 AMAQI
29th Aug 20255212 PMAQI
29th Aug 2025501 PMAQI
29th Aug 2025472 PMAQI
29th Aug 2025443 PMAQI
29th Aug 2025474 PMAQI
29th Aug 2025445 PMAQI
29th Aug 2025436 PMAQI
29th Aug 2025447 PMAQI
29th Aug 2025458 PMAQI
29th Aug 2025449 PMAQI
29th Aug 20254310 PMAQI
29th Aug 20254311 PMAQI
30th Aug 20254212 AMAQI
30th Aug 2025411 AMAQI
30th Aug 2025412 AMAQI
30th Aug 2025573 AMAQI
30th Aug 2025564 AMAQI
30th Aug 2025565 AMAQI
24°C21/28°C
30th Aug 2025546 AMAQI
30th Aug 2025567 AMAQI
30th Aug 2025558 AMAQI
30th Aug 2025479 AMAQI
30th Aug 20256110 AMAQI
30th Aug 20255811 AMAQI
30th Aug 20256212 PMAQI
30th Aug 2025631 PMAQI
30th Aug 2025592 PMAQI
30th Aug 2025583 PMAQI
30th Aug 2025604 PMAQI
30th Aug 2025575 PMAQI
30th Aug 2025606 PMAQI
30th Aug 2025617 PMAQI
30th Aug 2025608 PMAQI
30th Aug 2025619 PMAQI
30th Aug 20255710 PMAQI
30th Aug 20255511 PMAQI
31st Aug 20255512 AMAQI
31st Aug 2025551 AMAQI
31st Aug 2025542 AMAQI
31st Aug 2025633 AMAQI
31st Aug 2025664 AMAQI
31st Aug 2025635 AMAQI
24°C21/28°C
31st Aug 2025666 AMAQI
31st Aug 2025687 AMAQI
31st Aug 2025648 AMAQI
31st Aug 2025699 AMAQI
31st Aug 20256410 AMAQI
31st Aug 20257211 AMAQI
31st Aug 20257412 PMAQI
31st Aug 2025771 PMAQI
31st Aug 2025692 PMAQI
31st Aug 2025633 PMAQI
31st Aug 2025664 PMAQI
31st Aug 2025665 PMAQI
31st Aug 2025666 PMAQI
31st Aug 2025647 PMAQI
31st Aug 2025668 PMAQI
31st Aug 2025679 PMAQI
31st Aug 20256610 PMAQI
31st Aug 20253911 PMAQI
1st Sep 20254412 AMAQI
1st Sep 2025401 AMAQI
1st Sep 2025522 AMAQI
1st Sep 2025583 AMAQI
1st Sep 2025584 AMAQI
1st Sep 2025585 AMAQI
27°C23/31°C
1st Sep 2025606 AMAQI
1st Sep 2025707 AMAQI
1st Sep 2025648 AMAQI
1st Sep 2025679 AMAQI
1st Sep 20256110 AMAQI
1st Sep 20256311 AMAQI
1st Sep 20256012 PMAQI
1st Sep 2025651 PMAQI
1st Sep 2025522 PMAQI
1st Sep 2025583 PMAQI
1st Sep 2025584 PMAQI
1st Sep 2025555 PMAQI
1st Sep 2025586 PMAQI
1st Sep 2025607 PMAQI
1st Sep 2025608 PMAQI
1st Sep 2025599 PMAQI
1st Sep 20255910 PMAQI
1st Sep 20255911 PMAQI
2nd Sep 20255812 AMAQI
2nd Sep 2025591 AMAQI
2nd Sep 2025452 AMAQI
2nd Sep 2025553 AMAQI
2nd Sep 2025484 AMAQI
2nd Sep 2025565 AMAQI
25°C23/28°C
2nd Sep 2025536 AMAQI
2nd Sep 2025517 AMAQI
2nd Sep 2025528 AMAQI
2nd Sep 2025499 AMAQI
2nd Sep 20255210 AMAQI
2nd Sep 20254911 AMAQI
2nd Sep 20255012 PMAQI
2nd Sep 2025501 PMAQI
2nd Sep 2025512 PMAQI
2nd Sep 2025533 PMAQI
2nd Sep 2025534 PMAQI
2nd Sep 2025545 PMAQI
2nd Sep 2025526 PMAQI
2nd Sep 2025547 PMAQI
2nd Sep 2025548 PMAQI
2nd Sep 2025549 PMAQI
2nd Sep 20255310 PMAQI
2nd Sep 20255311 PMAQI
3rd Sep 20254812 AMAQI
3rd Sep 2025491 AMAQI
3rd Sep 2025492 AMAQI
3rd Sep 2025683 AMAQI
3rd Sep 2025654 AMAQI
3rd Sep 2025625 AMAQI
25°C23/29°C
3rd Sep 2025686 AMAQI
3rd Sep 2025637 AMAQI
3rd Sep 2025708 AMAQI
3rd Sep 2025679 AMAQI
3rd Sep 20256410 AMAQI
3rd Sep 20257011 AMAQI
3rd Sep 20256812 PMAQI
3rd Sep 2025741 PMAQI
3rd Sep 2025682 PMAQI
3rd Sep 2025713 PMAQI
3rd Sep 2025724 PMAQI
3rd Sep 2025685 PMAQI
3rd Sep 2025716 PMAQI
3rd Sep 2025747 PMAQI
3rd Sep 2025758 PMAQI
3rd Sep 2025699 PMAQI
3rd Sep 20256510 PMAQI
3rd Sep 20256411 PMAQI
4th Sep 20256212 AMAQI
4th Sep 2025611 AMAQI
4th Sep 2025612 AMAQI
4th Sep 2025743 AMAQI
4th Sep 2025764 AMAQI
4th Sep 2025735 AMAQI
25°C22/29°C
4th Sep 2025816 AMAQI
4th Sep 2025637 AMAQI
4th Sep 2025688 AMAQI
4th Sep 2025679 AMAQI
4th Sep 20256810 AMAQI
4th Sep 20257111 AMAQI
4th Sep 20257512 PMAQI
4th Sep 2025751 PMAQI
4th Sep 2025682 PMAQI
4th Sep 2025603 PMAQI
4th Sep 2025654 PMAQI
4th Sep 2025645 PMAQI
4th Sep 2025636 PMAQI
4th Sep 2025607 PMAQI
4th Sep 2025628 PMAQI
4th Sep 2025639 PMAQI
4th Sep 20256510 PMAQI
4th Sep 20256311 PMAQI
5th Sep 20256212 AMAQI
5th Sep 2025641 AMAQI
5th Sep 2025662 AMAQI
5th Sep 2025563 AMAQI
5th Sep 2025554 AMAQI
5th Sep 2025555 AMAQI
25°C22/28°C
5th Sep 2025586 AMAQI
5th Sep 2025547 AMAQI
5th Sep 2025578 AMAQI
5th Sep 2025569 AMAQI
5th Sep 20255810 AMAQI
5th Sep 20255611 AMAQI
5th Sep 20255612 PMAQI
5th Sep 2025561 PMAQI
5th Sep 2025582 PMAQI
5th Sep 2025583 PMAQI
5th Sep 2025584 PMAQI
5th Sep 2025595 PMAQI
5th Sep 2025586 PMAQI
5th Sep 2025587 PMAQI
5th Sep 2025568 PMAQI
5th Sep 2025579 PMAQI
5th Sep 20255910 PMAQI
5th Sep 20255811 PMAQI
6th Sep 20255812 AMAQI
6th Sep 2025591 AMAQI
6th Sep 2025592 AMAQI
6th Sep 2025633 AMAQI
6th Sep 2025624 AMAQI
6th Sep 2025635 AMAQI
24°C22/26°C
6th Sep 2025626 AMAQI
6th Sep 2025647 AMAQI
6th Sep 2025618 AMAQI
6th Sep 2025619 AMAQI
6th Sep 20256210 AMAQI
6th Sep 20256411 AMAQI
6th Sep 20256212 PMAQI
6th Sep 2025631 PMAQI
6th Sep 2025602 PMAQI
6th Sep 2025613 PMAQI
6th Sep 2025614 PMAQI
6th Sep 2025505 PMAQI
6th Sep 2025586 PMAQI
6th Sep 2025577 PMAQI
6th Sep 2025588 PMAQI
6th Sep 2025499 PMAQI
6th Sep 20256010 PMAQI
6th Sep 20256011 PMAQI
7th Sep 20255912 AMAQI
7th Sep 2025591 AMAQI
7th Sep 2025602 AMAQI
7th Sep 2025623 AMAQI
7th Sep 2025614 AMAQI
7th Sep 2025495 AMAQI
22°C21/24°C
7th Sep 2025596 AMAQI
7th Sep 2025587 AMAQI
7th Sep 2025588 AMAQI
7th Sep 2025589 AMAQI
7th Sep 20255810 AMAQI
7th Sep 20255411 AMAQI
7th Sep 20255112 PMAQI
7th Sep 2025551 PMAQI
7th Sep 2025552 PMAQI
7th Sep 2025533 PMAQI
7th Sep 2025514 PMAQI
7th Sep 2025535 PMAQI
7th Sep 2025576 PMAQI
7th Sep 2025577 PMAQI
7th Sep 2025568 PMAQI
7th Sep 2025589 PMAQI
7th Sep 20255610 PMAQI
7th Sep 20255711 PMAQI
8th Sep 20255712 AMAQI
8th Sep 2025571 AMAQI
8th Sep 2025572 AMAQI
8th Sep 2025573 AMAQI
8th Sep 2025524 AMAQI
8th Sep 2025555 AMAQI
22°C20/25°C
8th Sep 2025566 AMAQI
8th Sep 2025547 AMAQI
8th Sep 2025548 AMAQI
8th Sep 2025549 AMAQI
8th Sep 20255310 AMAQI
8th Sep 20255211 AMAQI
8th Sep 20255412 PMAQI
8th Sep 2025541 PMAQI
8th Sep 2025512 PMAQI
8th Sep 2025543 PMAQI
8th Sep 2025534 PMAQI
8th Sep 2025515 PMAQI
8th Sep 2025516 PMAQI
8th Sep 2025547 PMAQI
8th Sep 2025548 PMAQI
8th Sep 2025539 PMAQI
8th Sep 20255310 PMAQI
8th Sep 20255111 PMAQI
9th Sep 20255012 AMAQI
9th Sep 2025541 AMAQI
9th Sep 2025532 AMAQI
9th Sep 2025473 AMAQI
9th Sep 2025524 AMAQI
9th Sep 2025545 AMAQI
23°C20/26°C
9th Sep 2025586 AMAQI
9th Sep 2025587 AMAQI
9th Sep 2025608 AMAQI
9th Sep 2025599 AMAQI
9th Sep 20255810 AMAQI
9th Sep 20255711 AMAQI
9th Sep 20255612 PMAQI
9th Sep 2025571 PMAQI
9th Sep 2025572 PMAQI
9th Sep 2025583 PMAQI
9th Sep 2025584 PMAQI
9th Sep 2025575 PMAQI
9th Sep 2025556 PMAQI
9th Sep 2025567 PMAQI
9th Sep 2025528 PMAQI
9th Sep 2025509 PMAQI
9th Sep 20255010 PMAQI
9th Sep 20255311 PMAQI
10th Sep 20255212 AMAQI
10th Sep 2025511 AMAQI
10th Sep 2025552 AMAQI
10th Sep 2025593 AMAQI
10th Sep 2025654 AMAQI
10th Sep 2025645 AMAQI
23°C20/26°C
10th Sep 2025646 AMAQI
10th Sep 2025707 AMAQI
10th Sep 2025658 AMAQI
10th Sep 2025669 AMAQI
10th Sep 20257810 AMAQI
10th Sep 20257011 AMAQI
10th Sep 20256212 PMAQI
10th Sep 2025671 PMAQI
10th Sep 2025642 PMAQI
10th Sep 2025633 PMAQI
10th Sep 2025654 PMAQI
10th Sep 2025645 PMAQI
10th Sep 2025626 PMAQI
10th Sep 2025667 PMAQI
10th Sep 2025668 PMAQI
10th Sep 2025659 PMAQI
10th Sep 20256210 PMAQI
10th Sep 20256011 PMAQI
11th Sep 20256112 AMAQI
11th Sep 2025601 AMAQI
11th Sep 2025602 AMAQI
11th Sep 2025633 AMAQI
11th Sep 2025624 AMAQI
11th Sep 2025675 AMAQI
24°C20/28°C
11th Sep 2025666 AMAQI
11th Sep 2025647 AMAQI
11th Sep 2025648 AMAQI
11th Sep 2025669 AMAQI
11th Sep 20255810 AMAQI
11th Sep 20255911 AMAQI
11th Sep 20256212 PMAQI
11th Sep 2025621 PMAQI
11th Sep 2025662 PMAQI
11th Sep 2025603 PMAQI
11th Sep 2025614 PMAQI
11th Sep 2025565 PMAQI
11th Sep 2025576 PMAQI
11th Sep 2025607 PMAQI
11th Sep 2025608 PMAQI
11th Sep 2025609 PMAQI
11th Sep 20255910 PMAQI
11th Sep 20256011 PMAQI
12th Sep 20256012 AMAQI
12th Sep 2025591 AMAQI
12th Sep 2025602 AMAQI
12th Sep 2025603 AMAQI
12th Sep 2025594 AMAQI
12th Sep 2025575 AMAQI
23°C21/27°C
12th Sep 2025586 AMAQI
12th Sep 2025577 AMAQI
12th Sep 2025568 AMAQI
12th Sep 2025569 AMAQI
12th Sep 20255410 AMAQI
12th Sep 20255211 AMAQI
12th Sep 20255012 PMAQI
12th Sep 2025601 PMAQI
12th Sep 2025642 PMAQI
12th Sep 2025623 PMAQI
12th Sep 2025644 PMAQI
12th Sep 2025695 PMAQI
12th Sep 2025646 PMAQI
12th Sep 2025517 PMAQI
12th Sep 2025528 PMAQI
12th Sep 2025539 PMAQI
12th Sep 20255610 PMAQI
12th Sep 20255811 PMAQI
13th Sep 20255812 AMAQI
13th Sep 2025591 AMAQI
13th Sep 2025592 AMAQI
13th Sep 2025503 AMAQI
13th Sep 2025494 AMAQI
13th Sep 2025515 AMAQI
23°C21/27°C
13th Sep 2025526 AMAQI
13th Sep 2025527 AMAQI
13th Sep 2025538 AMAQI
13th Sep 2025539 AMAQI
13th Sep 20255010 AMAQI
13th Sep 20255111 AMAQI
13th Sep 20254912 PMAQI
13th Sep 2025491 PMAQI
13th Sep 2025532 PMAQI
13th Sep 2025533 PMAQI
13th Sep 2025524 PMAQI
13th Sep 2025535 PMAQI
13th Sep 2025526 PMAQI
13th Sep 2025527 PMAQI
13th Sep 2025538 PMAQI
13th Sep 2025529 PMAQI
13th Sep 20255310 PMAQI
13th Sep 20255211 PMAQI
14th Sep 20255312 AMAQI
14th Sep 2025541 AMAQI
14th Sep 2025532 AMAQI
14th Sep 2025453 AMAQI
14th Sep 2025474 AMAQI
14th Sep 2025435 AMAQI
23°C20/26°C
14th Sep 2025466 AMAQI
14th Sep 2025467 AMAQI
14th Sep 2025468 AMAQI
14th Sep 2025469 AMAQI
14th Sep 20254210 AMAQI
14th Sep 20254411 AMAQI
14th Sep 20254212 PMAQI
14th Sep 2025421 PMAQI
14th Sep 2025472 PMAQI
14th Sep 2025463 PMAQI
14th Sep 2025454 PMAQI
14th Sep 2025465 PMAQI
14th Sep 2025466 PMAQI
14th Sep 2025467 PMAQI
14th Sep 2025438 PMAQI
14th Sep 2025449 PMAQI
14th Sep 20254810 PMAQI
14th Sep 20254811 PMAQI
15th Sep 20254612 AMAQI
15th Sep 2025481 AMAQI
15th Sep 2025492 AMAQI
15th Sep 2025383 AMAQI
15th Sep 2025424 AMAQI
15th Sep 2025355 AMAQI
22°C19/25°C
15th Sep 2025456 AMAQI
15th Sep 2025387 AMAQI
15th Sep 2025388 AMAQI
15th Sep 2025419 AMAQI
15th Sep 20254310 AMAQI
15th Sep 20254111 AMAQI
15th Sep 20253412 PMAQI
15th Sep 2025441 PMAQI
15th Sep 2025402 PMAQI
15th Sep 2025413 PMAQI
15th Sep 2025434 PMAQI
15th Sep 2025405 PMAQI
15th Sep 2025476 PMAQI
15th Sep 2025407 PMAQI
15th Sep 2025398 PMAQI
15th Sep 2025429 PMAQI
15th Sep 20254210 PMAQI
15th Sep 20254411 PMAQI
16th Sep 20254212 AMAQI
16th Sep 2025431 AMAQI
16th Sep 2025442 AMAQI
16th Sep 2025453 AMAQI
16th Sep 2025454 AMAQI
16th Sep 2025405 AMAQI
21°C19/25°C
16th Sep 2025406 AMAQI
16th Sep 2025417 AMAQI
16th Sep 2025428 AMAQI
16th Sep 2025369 AMAQI
16th Sep 20254010 AMAQI
16th Sep 20254011 AMAQI
16th Sep 20254312 PMAQI
16th Sep 2025381 PMAQI
16th Sep 2025442 PMAQI
16th Sep 2025483 PMAQI
16th Sep 2025454 PMAQI
16th Sep 2025425 PMAQI
16th Sep 2025466 PMAQI
16th Sep 2025507 PMAQI
16th Sep 2025518 PMAQI
16th Sep 2025529 PMAQI
16th Sep 20254810 PMAQI
16th Sep 20254411 PMAQI
17th Sep 20255012 AMAQI
17th Sep 2025461 AMAQI
17th Sep 2025432 AMAQI
17th Sep 2025503 AMAQI
17th Sep 2025544 AMAQI
17th Sep 2025545 AMAQI
22°C19/26°C
17th Sep 2025566 AMAQI
17th Sep 2025567 AMAQI
17th Sep 2025548 AMAQI
17th Sep 2025559 AMAQI
17th Sep 20255610 AMAQI
17th Sep 20255411 AMAQI
17th Sep 20255012 PMAQI
17th Sep 2025581 PMAQI
17th Sep 2025542 PMAQI
17th Sep 2025543 PMAQI
17th Sep 2025524 PMAQI
17th Sep 2025485 PMAQI
17th Sep 2025436 PMAQI
17th Sep 2025497 PMAQI
17th Sep 2025488 PMAQI
17th Sep 2025509 PMAQI
17th Sep 20255410 PMAQI
17th Sep 20255311 PMAQI
18th Sep 20255412 AMAQI
18th Sep 2025531 AMAQI
18th Sep 2025522 AMAQI
18th Sep 2025573 AMAQI
18th Sep 2025584 AMAQI
18th Sep 2025595 AMAQI
22°C18/27°C
18th Sep 2025546 AMAQI
18th Sep 2025577 AMAQI
18th Sep 2025568 AMAQI
18th Sep 2025569 AMAQI
18th Sep 20255610 AMAQI
18th Sep 20255211 AMAQI
18th Sep 20255412 PMAQI
18th Sep 2025551 PMAQI
18th Sep 2025552 PMAQI
18th Sep 2025563 PMAQI
18th Sep 2025544 PMAQI
18th Sep 2025535 PMAQI
18th Sep 2025526 PMAQI
18th Sep 2025517 PMAQI
18th Sep 2025528 PMAQI
18th Sep 2025519 PMAQI
18th Sep 20255210 PMAQI
18th Sep 20255311 PMAQI
19th Sep 20255012 AMAQI
19th Sep 2025541 AMAQI
19th Sep 2025552 AMAQI
19th Sep 2025523 AMAQI
19th Sep 2025514 AMAQI
19th Sep 2025405 AMAQI
20°C18/22°C
19th Sep 2025326 AMAQI
19th Sep 2025287 AMAQI
19th Sep 2025248 AMAQI
19th Sep 2025309 AMAQI
19th Sep 20252310 AMAQI
19th Sep 20253811 AMAQI
19th Sep 20254412 PMAQI
19th Sep 2025421 PMAQI
19th Sep 2025472 PMAQI
19th Sep 2025483 PMAQI
19th Sep 2025484 PMAQI
19th Sep 2025475 PMAQI
19th Sep 2025456 PMAQI
19th Sep 2025467 PMAQI
19th Sep 2025448 PMAQI
19th Sep 2025469 PMAQI
19th Sep 20254410 PMAQI
19th Sep 20254411 PMAQI
20th Sep 20254412 AMAQI
20th Sep 2025431 AMAQI
20th Sep 2025452 AMAQI
20th Sep 2025403 AMAQI
20th Sep 2025404 AMAQI
20th Sep 2025405 AMAQI
21°C19/23°C
20th Sep 2025396 AMAQI
20th Sep 2025407 AMAQI
20th Sep 2025388 AMAQI
20th Sep 2025379 AMAQI
20th Sep 20253310 AMAQI
20th Sep 20253511 AMAQI
20th Sep 20253412 PMAQI
20th Sep 2025361 PMAQI
20th Sep 2025362 PMAQI
20th Sep 2025393 PMAQI
20th Sep 2025364 PMAQI
20th Sep 2025355 PMAQI
20th Sep 2025366 PMAQI
20th Sep 2025387 PMAQI
20th Sep 2025388 PMAQI
20th Sep 2025399 PMAQI
20th Sep 20254110 PMAQI
20th Sep 20254111 PMAQI
21st Sep 20254212 AMAQI
21st Sep 2025391 AMAQI
21st Sep 2025402 AMAQI
21st Sep 2025413 AMAQI
21st Sep 2025384 AMAQI
21st Sep 2025365 AMAQI
20°C17/24°C
21st Sep 2025396 AMAQI
21st Sep 2025437 AMAQI
21st Sep 2025418 AMAQI
21st Sep 2025409 AMAQI
21st Sep 20253810 AMAQI
21st Sep 20253611 AMAQI
21st Sep 20253612 PMAQI
21st Sep 2025341 PMAQI
21st Sep 2025332 PMAQI
21st Sep 2025363 PMAQI
21st Sep 2025344 PMAQI
21st Sep 2025345 PMAQI
21st Sep 2025356 PMAQI
21st Sep 2025357 PMAQI
21st Sep 2025428 PMAQI
21st Sep 2025489 PMAQI
21st Sep 20254610 PMAQI
21st Sep 20254211 PMAQI
22nd Sep 20254012 AMAQI
22nd Sep 2025401 AMAQI
22nd Sep 2025402 AMAQI
22nd Sep 2025353 AMAQI
22nd Sep 2025334 AMAQI
22nd Sep 2025365 AMAQI
21°C18/24°C
22nd Sep 2025376 AMAQI
22nd Sep 2025377 AMAQI
22nd Sep 2025428 AMAQI
22nd Sep 2025409 AMAQI
22nd Sep 20254210 AMAQI
22nd Sep 20254011 AMAQI
22nd Sep 20254312 PMAQI
22nd Sep 2025401 PMAQI
22nd Sep 2025402 PMAQI
22nd Sep 2025403 PMAQI
22nd Sep 2025394 PMAQI
22nd Sep 2025405 PMAQI
22nd Sep 2025446 PMAQI
22nd Sep 2025447 PMAQI
22nd Sep 2025438 PMAQI
22nd Sep 2025459 PMAQI
22nd Sep 20254610 PMAQI
22nd Sep 20254411 PMAQI
23rd Sep 20254212 AMAQI
23rd Sep 2025401 AMAQI
23rd Sep 2025402 AMAQI
23rd Sep 2025503 AMAQI
23rd Sep 2025524 AMAQI
21°C19/26°C
6 AM
12 PM
7 PM
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 7 PM
51AQI
14 hours / Day
420 hours / Month
Avg. Lowest Time
6 AM - 7 PM
51AQI
14 hours / Day
420 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 7 PM (Avg. 51), while the lowest AQI was between 6 AM to 7 PM (Avg. 51).
Night time
Avg. Highest Time
12 AM - 10 PM
51AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
51AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 10 PM (Avg. 51), while the lowest AQI was between 12 AM to 11 PM (Avg. 51).
2025 Days Vs Air Quality
Istanbul, Cayirova, Kocaeli, Turkey
2025
43%
114
53%
139
4%
11
Total number of days with different AQI categories in last 266 days in 2025 (99 days remaining)
Good
114 DaysModerate
139 DaysPoor
11 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 43%
Health Risk Level:
Significant
In 2025, 43% of 266 days were within WHO’s safe air quality limits, and 57% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Istanbul, Cayirova, Kocaeli, Turkey
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
86AQI
86AQI
2nd January 2025
84AQI
84AQI
3rd January 2025
85AQI
85AQI
4th January 2025
68AQI
68AQI
5th January 2025
50AQI
50AQI
6th January 2025
65AQI
65AQI
7th January 2025
87AQI
87AQI
8th January 2025
72AQI
72AQI
9th January 2025
72AQI
72AQI
10th January 2025
89AQI
89AQI
11th January 2025
85AQI
85AQI
12th January 2025
47AQI
47AQI
13th January 2025
37AQI
37AQI
14th January 2025
28AQI
28AQI
15th January 2025
30AQI
30AQI
16th January 2025
32AQI
32AQI
17th January 2025
62AQI
62AQI
18th January 2025
93AQI
93AQI
19th January 2025
117AQI
117AQI
20th January 2025
108AQI
108AQI
21st January 2025
79AQI
79AQI
22nd January 2025
115AQI
115AQI
23rd January 2025
130AQI
130AQI
24th January 2025
135AQI
135AQI
25th January 2025
99AQI
99AQI
26th January 2025
69AQI
69AQI
27th January 2025
99AQI
99AQI
28th January 2025
124AQI
124AQI
29th January 2025
89AQI
89AQI
30th January 2025
83AQI
83AQI
31st January 2025
103AQI
103AQI
1st February 2025
130AQI
130AQI
2nd February 2025
116AQI
116AQI
3rd February 2025
107AQI
107AQI
4th February 2025
107AQI
107AQI
5th February 2025
48AQI
48AQI
6th February 2025
51AQI
51AQI
7th February 2025
49AQI
49AQI
8th February 2025
46AQI
46AQI
9th February 2025
45AQI
45AQI
10th February 2025
44AQI
44AQI
11th February 2025
51AQI
51AQI
12th February 2025
59AQI
59AQI
13th February 2025
58AQI
58AQI
14th February 2025
57AQI
57AQI
15th February 2025
56AQI
56AQI
16th February 2025
59AQI
59AQI
17th February 2025
55AQI
55AQI
18th February 2025
52AQI
52AQI
19th February 2025
46AQI
46AQI
20th February 2025
42AQI
42AQI
21st February 2025
47AQI
47AQI
22nd February 2025
47AQI
47AQI
23rd February 2025
48AQI
48AQI
24th February 2025
46AQI
46AQI
25th February 2025
46AQI
46AQI
26th February 2025
68AQI
68AQI
27th February 2025
71AQI
71AQI
28th February 2025
79AQI
79AQI
1st March 2025
76AQI
76AQI
2nd March 2025
71AQI
71AQI
3rd March 2025
65AQI
65AQI
4th March 2025
53AQI
53AQI
5th March 2025
54AQI
54AQI
6th March 2025
59AQI
59AQI
7th March 2025
59AQI
59AQI
8th March 2025
74AQI
74AQI
9th March 2025
86AQI
86AQI
10th March 2025
87AQI
87AQI
11th March 2025
97AQI
97AQI
12th March 2025
85AQI
85AQI
13th March 2025
68AQI
68AQI
14th March 2025
67AQI
67AQI
15th March 2025
63AQI
63AQI
16th March 2025
63AQI
63AQI
17th March 2025
63AQI
63AQI
18th March 2025
52AQI
52AQI
19th March 2025
54AQI
54AQI
20th March 2025
73AQI
73AQI
21st March 2025
75AQI
75AQI
22nd March 2025
75AQI
75AQI
23rd March 2025
79AQI
79AQI
24th March 2025
76AQI
76AQI
25th March 2025
74AQI
74AQI
26th March 2025
74AQI
74AQI
27th March 2025
65AQI
65AQI
28th March 2025
90AQI
90AQI
29th March 2025
91AQI
91AQI
30th March 2025
85AQI
85AQI
31st March 2025
59AQI
59AQI
1st April 2025
63AQI
63AQI
2nd April 2025
61AQI
61AQI
3rd April 2025
57AQI
57AQI
4th April 2025
62AQI
62AQI
5th April 2025
61AQI
61AQI
6th April 2025
43AQI
43AQI
7th April 2025
36AQI
36AQI
8th April 2025
36AQI
36AQI
9th April 2025
39AQI
39AQI
10th April 2025
43AQI
43AQI
11th April 2025
50AQI
50AQI
12th April 2025
44AQI
44AQI
13th April 2025
54AQI
54AQI
14th April 2025
52AQI
52AQI
15th April 2025
46AQI
46AQI
16th April 2025
57AQI
57AQI
17th April 2025
50AQI
50AQI
18th April 2025
52AQI
52AQI
19th April 2025
66AQI
66AQI
20th April 2025
46AQI
46AQI
21st April 2025
66AQI
66AQI
22nd April 2025
81AQI
81AQI
23rd April 2025
54AQI
54AQI
24th April 2025
40AQI
40AQI
25th April 2025
52AQI
52AQI
26th April 2025
41AQI
41AQI
27th April 2025
45AQI
45AQI
28th April 2025
50AQI
50AQI
29th April 2025
46AQI
46AQI
30th April 2025
45AQI
45AQI
1st May 2025
45AQI
45AQI
2nd May 2025
45AQI
45AQI
3rd May 2025
52AQI
52AQI
4th May 2025
34AQI
34AQI
5th May 2025
42AQI
42AQI
6th May 2025
50AQI
50AQI
7th May 2025
55AQI
55AQI
8th May 2025
66AQI
66AQI
9th May 2025
51AQI
51AQI
10th May 2025
49AQI
49AQI
11th May 2025
42AQI
42AQI
12th May 2025
42AQI
42AQI
13th May 2025
34AQI
34AQI
14th May 2025
35AQI
35AQI
15th May 2025
31AQI
31AQI
16th May 2025
34AQI
34AQI
17th May 2025
38AQI
38AQI
18th May 2025
35AQI
35AQI
19th May 2025
31AQI
31AQI
20th May 2025
28AQI
28AQI
21st May 2025
28AQI
28AQI
22nd May 2025
29AQI
29AQI
23rd May 2025
30AQI
30AQI
24th May 2025
34AQI
34AQI
25th May 2025
35AQI
35AQI
26th May 2025
33AQI
33AQI
27th May 2025
37AQI
37AQI
28th May 2025
37AQI
37AQI
29th May 2025
32AQI
32AQI
30th May 2025
36AQI
36AQI
31st May 2025
34AQI
34AQI
1st June 2025
30AQI
30AQI
2nd June 2025
29AQI
29AQI
3rd June 2025
32AQI
32AQI
4th June 2025
33AQI
33AQI
5th June 2025
44AQI
44AQI
6th June 2025
43AQI
43AQI
7th June 2025
40AQI
40AQI
8th June 2025
41AQI
41AQI
9th June 2025
44AQI
44AQI
10th June 2025
42AQI
42AQI
11th June 2025
46AQI
46AQI
12th June 2025
47AQI
47AQI
13th June 2025
49AQI
49AQI
14th June 2025
43AQI
43AQI
15th June 2025
39AQI
39AQI
16th June 2025
35AQI
35AQI
17th June 2025
38AQI
38AQI
18th June 2025
47AQI
47AQI
19th June 2025
47AQI
47AQI
20th June 2025
46AQI
46AQI
21st June 2025
43AQI
43AQI
22nd June 2025
41AQI
41AQI
23rd June 2025
32AQI
32AQI
24th June 2025
33AQI
33AQI
25th June 2025
34AQI
34AQI
26th June 2025
33AQI
33AQI
27th June 2025
32AQI
32AQI
28th June 2025
41AQI
41AQI
29th June 2025
40AQI
40AQI
30th June 2025
34AQI
34AQI
1st July 2025
49AQI
49AQI
2nd July 2025
50AQI
50AQI
3rd July 2025
36AQI
36AQI
4th July 2025
51AQI
51AQI
5th July 2025
46AQI
46AQI
6th July 2025
53AQI
53AQI
7th July 2025
58AQI
58AQI
8th July 2025
53AQI
53AQI
9th July 2025
53AQI
53AQI
10th July 2025
62AQI
62AQI
11th July 2025
54AQI
54AQI
12th July 2025
53AQI
53AQI
13th July 2025
53AQI
53AQI
14th July 2025
56AQI
56AQI
15th July 2025
61AQI
61AQI
16th July 2025
64AQI
64AQI
17th July 2025
60AQI
60AQI
18th July 2025
62AQI
62AQI
19th July 2025
58AQI
58AQI
20th July 2025
46AQI
46AQI
21st July 2025
50AQI
50AQI
22nd July 2025
51AQI
51AQI
23rd July 2025
62AQI
62AQI
24th July 2025
63AQI
63AQI
25th July 2025
61AQI
61AQI
26th July 2025
56AQI
56AQI
27th July 2025
53AQI
53AQI
28th July 2025
71AQI
71AQI
29th July 2025
72AQI
72AQI
30th July 2025
74AQI
74AQI
31st July 2025
66AQI
66AQI
1st August 2025
52AQI
52AQI
2nd August 2025
43AQI
43AQI
3rd August 2025
38AQI
38AQI
4th August 2025
35AQI
35AQI
5th August 2025
35AQI
35AQI
6th August 2025
39AQI
39AQI
7th August 2025
45AQI
45AQI
8th August 2025
64AQI
64AQI
9th August 2025
64AQI
64AQI
10th August 2025
63AQI
63AQI
11th August 2025
61AQI
61AQI
12th August 2025
60AQI
60AQI
13th August 2025
63AQI
63AQI
14th August 2025
53AQI
53AQI
15th August 2025
56AQI
56AQI
16th August 2025
61AQI
61AQI
17th August 2025
52AQI
52AQI
18th August 2025
57AQI
57AQI
19th August 2025
60AQI
60AQI
20th August 2025
53AQI
53AQI
21st August 2025
51AQI
51AQI
22nd August 2025
56AQI
56AQI
23rd August 2025
67AQI
67AQI
24th August 2025
55AQI
55AQI
25th August 2025
49AQI
49AQI
26th August 2025
37AQI
37AQI
27th August 2025
33AQI
33AQI
28th August 2025
29AQI
29AQI
29th August 2025
43AQI
43AQI
30th August 2025
55AQI
55AQI
31st August 2025
64AQI
64AQI
1st September 2025
58AQI
58AQI
2nd September 2025
53AQI
53AQI
3rd September 2025
66AQI
66AQI
4th September 2025
67AQI
67AQI
5th September 2025
58AQI
58AQI
6th September 2025
59AQI
59AQI
7th September 2025
57AQI
57AQI
8th September 2025
54AQI
54AQI
9th September 2025
55AQI
55AQI
10th September 2025
63AQI
63AQI
11th September 2025
61AQI
61AQI
12th September 2025
58AQI
58AQI
13th September 2025
53AQI
53AQI
14th September 2025
46AQI
46AQI
15th September 2025
42AQI
42AQI
16th September 2025
44AQI
44AQI
17th September 2025
51AQI
51AQI
18th September 2025
54AQI
54AQI
19th September 2025
43AQI
43AQI
20th September 2025
39AQI
39AQI
21st September 2025
39AQI
39AQI
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
81AQI
62AQI
71AQI
51AQI
39AQI
39AQI
57AQI
51AQI
53AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202556AQI
6
18
7
12
12
4
31
16
14
27
4
30
6
25
11
20
6
15
114
139
11
Highest AQI recorded in
January81AQI
Lowest AQI recorded in
May39AQI
202464AQI
3
25
3
20
1
11
6
2
21
6
22
30
4
27
9
21
2
27
16
13
2
6
23
1
4
25
2
55
265
12
Highest AQI recorded in
March94AQI
Lowest AQI recorded in
October55AQI
202369AQI
7
18
6
6
22
15
15
1
9
21
5
26
1
29
1
12
1
22
8
30
15
3
2
18
5
6
20
4
53
248
27
Highest AQI recorded in
August88AQI
Lowest AQI recorded in
March57AQI
202265AQI
7
24
4
14
3
9
18
4
2
25
3
8
19
4
29
1
7
18
2
11
18
6
21
4
25
1
8
23
66
236
16
Highest AQI recorded in
April76AQI
Lowest AQI recorded in
July54AQI
202150AQI
31
25
3
31
30
14
22
4
1
27
1
24
2
3
22
4
27
5
23
2
5
26
149
174
9
Highest AQI recorded in
July80AQI
Lowest AQI recorded in
April12AQI
202025AQI
12
1
13
2
1
22
28
2
1
31
27
28
1
29
2
192
5
2
1
Highest AQI recorded in
November46AQI
Lowest AQI recorded in
October17AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
69AQILeast Polluted Year Recorded
2020(Avg.)
25AQIIstanbul's annual 2025 AQI (56) shows an average percentage change of 18.5% (worsened AQI) compared to previous years: 2020 (25), 2021 (50), 2022 (65), 2023 (69), 2024 (64).
