Kostroma, Kostromskaya Oblast, Russia 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+
November Air Quality Analysis
Kostroma, Kostromskaya Oblast, Russia
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Nov 2023
146AQILowest AQI recorded on
12th Nov 2022
0AQISame Day Analysis (1st November ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 46 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 1st Nov - 2nd Nov 2025
Kostroma, Kostromskaya Oblast, Russia
AQI
Day
Night
.
6 AM1st Nov 2025
5 PM
5 AM2nd Nov 2025
Day time
Avg. Highest Time
10AM1st Nov
51AQI
Avg. Lowest Time
8AM1st Nov
36AQI
Night time
Avg. Highest Time
1AM2nd Nov
60AQI
Avg. Lowest Time
6AM1st Nov
45AQI
In the last 24 hours,
Kostroma's AQI reached its highest point of 60 at 1 AM during the Night, while the lowest point, 36, was recorded at 8 AM during the Day between 1st Nov and 2nd Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Kostroma, Kostromskaya Oblast, Russia
OctNov
03rd - 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 - 31st31st - 01st01st - 02nd02nd
Day
Night
3rd Oct 2025526 AMAQI
3rd Oct 2025597 AMAQI
3rd Oct 2025628 AMAQI
3rd Oct 2025639 AMAQI
3rd Oct 20256310 AMAQI
3rd Oct 20256311 AMAQI
3rd Oct 20256012 PMAQI
3rd Oct 2025581 PMAQI
3rd Oct 2025462 PMAQI
3rd Oct 2025563 PMAQI
3rd Oct 2025554 PMAQI
3rd Oct 2025585 PMAQI
3rd Oct 2025616 PMAQI
3rd Oct 2025617 PMAQI
3rd Oct 2025618 PMAQI
3rd Oct 2025629 PMAQI
3rd Oct 20256110 PMAQI
3rd Oct 20256611 PMAQI
4th Oct 20256512 AMAQI
4th Oct 2025651 AMAQI
4th Oct 2025652 AMAQI
4th Oct 2025653 AMAQI
4th Oct 2025634 AMAQI
4th Oct 2025625 AMAQI
7°C3/12°C
4th Oct 2025636 AMAQI
4th Oct 2025637 AMAQI
4th Oct 2025638 AMAQI
4th Oct 2025639 AMAQI
4th Oct 20256110 AMAQI
4th Oct 20256211 AMAQI
4th Oct 20256212 PMAQI
4th Oct 2025611 PMAQI
4th Oct 2025592 PMAQI
4th Oct 2025583 PMAQI
4th Oct 2025554 PMAQI
4th Oct 2025545 PMAQI
4th Oct 2025546 PMAQI
4th Oct 2025577 PMAQI
4th Oct 2025558 PMAQI
4th Oct 2025559 PMAQI
4th Oct 20255510 PMAQI
4th Oct 20255411 PMAQI
5th Oct 20255012 AMAQI
5th Oct 2025501 AMAQI
5th Oct 2025512 AMAQI
5th Oct 2025443 AMAQI
5th Oct 2025374 AMAQI
5th Oct 2025375 AMAQI
9°C6/13°C
5th Oct 2025336 AMAQI
5th Oct 2025447 AMAQI
5th Oct 2025398 AMAQI
5th Oct 2025389 AMAQI
5th Oct 20254910 AMAQI
5th Oct 20254311 AMAQI
5th Oct 20254712 PMAQI
5th Oct 2025511 PMAQI
5th Oct 2025482 PMAQI
5th Oct 2025493 PMAQI
5th Oct 2025484 PMAQI
5th Oct 2025545 PMAQI
5th Oct 2025556 PMAQI
5th Oct 2025547 PMAQI
5th Oct 2025568 PMAQI
5th Oct 2025559 PMAQI
5th Oct 20255810 PMAQI
5th Oct 20256111 PMAQI
6th Oct 20256012 AMAQI
6th Oct 2025591 AMAQI
6th Oct 2025602 AMAQI
6th Oct 2025573 AMAQI
6th Oct 2025604 AMAQI
6th Oct 2025615 AMAQI
9°C7/11°C
6th Oct 2025646 AMAQI
6th Oct 2025677 AMAQI
6th Oct 2025688 AMAQI
6th Oct 2025729 AMAQI
6th Oct 20257410 AMAQI
6th Oct 20257511 AMAQI
6th Oct 20257512 PMAQI
6th Oct 2025731 PMAQI
6th Oct 2025762 PMAQI
6th Oct 2025723 PMAQI
6th Oct 2025754 PMAQI
6th Oct 2025765 PMAQI
6th Oct 2025776 PMAQI
6th Oct 2025737 PMAQI
6th Oct 2025778 PMAQI
9°C8/9°C
7th Oct 2025712 PMAQI
7th Oct 2025593 PMAQI
7th Oct 2025614 PMAQI
7th Oct 2025625 PMAQI
7th Oct 2025666 PMAQI
7th Oct 2025677 PMAQI
7th Oct 2025728 PMAQI
7th Oct 2025699 PMAQI
7th Oct 20256910 PMAQI
7th Oct 20257011 PMAQI
8th Oct 20256612 AMAQI
8th Oct 2025671 AMAQI
8th Oct 2025662 AMAQI
8th Oct 2025703 AMAQI
8th Oct 2025684 AMAQI
8th Oct 2025705 AMAQI
9°C7/11°C
8th Oct 2025726 AMAQI
8th Oct 2025767 AMAQI
8th Oct 2025778 AMAQI
8th Oct 2025829 AMAQI
8th Oct 20257910 AMAQI
8th Oct 20257811 AMAQI
8th Oct 20258012 PMAQI
8th Oct 2025791 PMAQI
8th Oct 2025702 PMAQI
8th Oct 2025683 PMAQI
8th Oct 2025694 PMAQI
8th Oct 2025675 PMAQI
8th Oct 2025726 PMAQI
8th Oct 2025777 PMAQI
8th Oct 2025798 PMAQI
8th Oct 2025809 PMAQI
8th Oct 20257610 PMAQI
8th Oct 20257211 PMAQI
9th Oct 20257312 AMAQI
9th Oct 2025701 AMAQI
9th Oct 2025702 AMAQI
9th Oct 2025733 AMAQI
9th Oct 2025734 AMAQI
9th Oct 2025725 AMAQI
9°C7/12°C
9th Oct 2025676 AMAQI
9th Oct 2025707 AMAQI
9th Oct 2025768 AMAQI
9th Oct 2025809 AMAQI
9th Oct 20258310 AMAQI
9th Oct 20257611 AMAQI
9th Oct 20257812 PMAQI
9th Oct 2025661 PMAQI
9th Oct 2025662 PMAQI
9th Oct 2025603 PMAQI
9th Oct 2025634 PMAQI
9th Oct 2025675 PMAQI
9th Oct 2025706 PMAQI
9th Oct 2025787 PMAQI
9th Oct 2025798 PMAQI
9th Oct 2025829 PMAQI
9th Oct 20257610 PMAQI
9th Oct 20257111 PMAQI
10th Oct 20257512 AMAQI
10th Oct 2025761 AMAQI
10th Oct 2025682 AMAQI
10th Oct 2025613 AMAQI
10th Oct 2025594 AMAQI
10th Oct 2025585 AMAQI
9°C7/14°C
10th Oct 2025636 AMAQI
10th Oct 2025557 AMAQI
10th Oct 2025588 AMAQI
10th Oct 2025579 AMAQI
10th Oct 20255610 AMAQI
10th Oct 20255411 AMAQI
10th Oct 20255112 PMAQI
10th Oct 2025511 PMAQI
10th Oct 2025462 PMAQI
10th Oct 2025533 PMAQI
10th Oct 2025514 PMAQI
10th Oct 2025485 PMAQI
10th Oct 2025526 PMAQI
10th Oct 2025547 PMAQI
10th Oct 2025568 PMAQI
10th Oct 2025569 PMAQI
10th Oct 20255610 PMAQI
10th Oct 20255611 PMAQI
11th Oct 20255812 AMAQI
11th Oct 2025601 AMAQI
11th Oct 2025682 AMAQI
11th Oct 2025673 AMAQI
11th Oct 2025684 AMAQI
11th Oct 2025685 AMAQI
10°C7/14°C
11th Oct 2025656 AMAQI
11th Oct 2025587 AMAQI
11th Oct 2025558 AMAQI
11th Oct 2025579 AMAQI
11th Oct 20255810 AMAQI
11th Oct 20256211 AMAQI
11th Oct 20255912 PMAQI
11th Oct 2025591 PMAQI
11th Oct 2025622 PMAQI
11th Oct 2025593 PMAQI
11th Oct 2025604 PMAQI
11th Oct 2025555 PMAQI
11th Oct 2025576 PMAQI
11th Oct 2025567 PMAQI
11th Oct 2025578 PMAQI
11th Oct 2025589 PMAQI
11th Oct 20256110 PMAQI
11th Oct 20256511 PMAQI
12th Oct 20257312 AMAQI
12th Oct 2025701 AMAQI
12th Oct 2025712 AMAQI
12th Oct 2025693 AMAQI
12th Oct 2025654 AMAQI
12th Oct 2025605 AMAQI
9°C6/14°C
12th Oct 2025476 AMAQI
12th Oct 2025387 AMAQI
12th Oct 2025518 AMAQI
12th Oct 2025499 AMAQI
12th Oct 20254010 AMAQI
12th Oct 20253911 AMAQI
12th Oct 20254012 PMAQI
12th Oct 2025481 PMAQI
12th Oct 2025472 PMAQI
12th Oct 2025283 PMAQI
12th Oct 2025334 PMAQI
12th Oct 2025325 PMAQI
12th Oct 2025386 PMAQI
12th Oct 2025487 PMAQI
12th Oct 2025468 PMAQI
12th Oct 2025549 PMAQI
12th Oct 20255510 PMAQI
12th Oct 20255511 PMAQI
13th Oct 20255912 AMAQI
13th Oct 2025611 AMAQI
13th Oct 2025582 AMAQI
13th Oct 2025573 AMAQI
13th Oct 2025534 AMAQI
13th Oct 2025545 AMAQI
7°C6/8°C
13th Oct 2025556 AMAQI
13th Oct 2025557 AMAQI
13th Oct 2025568 AMAQI
13th Oct 2025569 AMAQI
13th Oct 20255710 AMAQI
13th Oct 20255411 AMAQI
13th Oct 20255412 PMAQI
13th Oct 2025491 PMAQI
13th Oct 2025452 PMAQI
13th Oct 2025443 PMAQI
13th Oct 2025434 PMAQI
13th Oct 2025395 PMAQI
13th Oct 2025366 PMAQI
13th Oct 2025407 PMAQI
13th Oct 2025448 PMAQI
13th Oct 2025479 PMAQI
13th Oct 20254710 PMAQI
13th Oct 20255211 PMAQI
14th Oct 20254912 AMAQI
14th Oct 2025381 AMAQI
14th Oct 2025392 AMAQI
14th Oct 2025393 AMAQI
14th Oct 2025384 AMAQI
14th Oct 2025375 AMAQI
6°C3/8°C
14th Oct 2025406 AMAQI
14th Oct 2025397 AMAQI
14th Oct 2025388 AMAQI
14th Oct 2025429 AMAQI
14th Oct 20253910 AMAQI
14th Oct 20253811 AMAQI
14th Oct 20253612 PMAQI
14th Oct 2025271 PMAQI
14th Oct 2025272 PMAQI
14th Oct 2025273 PMAQI
14th Oct 2025264 PMAQI
14th Oct 2025355 PMAQI
14th Oct 2025366 PMAQI
14th Oct 2025397 PMAQI
14th Oct 2025428 PMAQI
14th Oct 2025409 PMAQI
14th Oct 20254110 PMAQI
14th Oct 20253911 PMAQI
15th Oct 20253912 AMAQI
15th Oct 2025411 AMAQI
15th Oct 2025382 AMAQI
15th Oct 2025383 AMAQI
15th Oct 2025414 AMAQI
15th Oct 2025445 AMAQI
4°C3/5°C
15th Oct 2025456 AMAQI
15th Oct 2025467 AMAQI
15th Oct 2025448 AMAQI
15th Oct 2025449 AMAQI
15th Oct 20254410 AMAQI
15th Oct 20253811 AMAQI
15th Oct 20253812 PMAQI
15th Oct 2025281 PMAQI
15th Oct 2025272 PMAQI
15th Oct 2025403 PMAQI
15th Oct 2025404 PMAQI
15th Oct 2025385 PMAQI
15th Oct 2025426 PMAQI
15th Oct 2025447 PMAQI
15th Oct 2025468 PMAQI
15th Oct 2025529 PMAQI
15th Oct 20255610 PMAQI
15th Oct 20255811 PMAQI
16th Oct 20255712 AMAQI
16th Oct 2025581 AMAQI
16th Oct 2025602 AMAQI
16th Oct 2025583 AMAQI
16th Oct 2025564 AMAQI
16th Oct 2025555 AMAQI
3°C3/4°C
16th Oct 2025546 AMAQI
16th Oct 2025537 AMAQI
16th Oct 2025538 AMAQI
16th Oct 2025539 AMAQI
16th Oct 20255710 AMAQI
16th Oct 20255711 AMAQI
16th Oct 20254712 PMAQI
16th Oct 2025441 PMAQI
16th Oct 2025452 PMAQI
16th Oct 2025483 PMAQI
16th Oct 2025494 PMAQI
16th Oct 2025425 PMAQI
16th Oct 2025466 PMAQI
16th Oct 2025527 PMAQI
16th Oct 2025518 PMAQI
16th Oct 2025529 PMAQI
16th Oct 20255610 PMAQI
16th Oct 20255811 PMAQI
17th Oct 20255712 AMAQI
17th Oct 2025591 AMAQI
17th Oct 2025562 AMAQI
17th Oct 2025563 AMAQI
17th Oct 2025574 AMAQI
17th Oct 2025555 AMAQI
4°C1/6°C
17th Oct 2025556 AMAQI
17th Oct 2025497 AMAQI
17th Oct 2025528 AMAQI
17th Oct 2025529 AMAQI
17th Oct 20255410 AMAQI
17th Oct 20255411 AMAQI
17th Oct 20255312 PMAQI
17th Oct 2025531 PMAQI
17th Oct 2025462 PMAQI
17th Oct 2025493 PMAQI
17th Oct 2025424 PMAQI
17th Oct 2025365 PMAQI
17th Oct 2025546 PMAQI
17th Oct 2025547 PMAQI
17th Oct 2025588 PMAQI
17th Oct 2025569 PMAQI
17th Oct 20255410 PMAQI
17th Oct 20255011 PMAQI
18th Oct 20254812 AMAQI
18th Oct 2025481 AMAQI
18th Oct 2025512 AMAQI
18th Oct 2025493 AMAQI
18th Oct 2025494 AMAQI
18th Oct 2025555 AMAQI
6°C4/7°C
18th Oct 2025516 AMAQI
18th Oct 2025387 AMAQI
18th Oct 2025508 AMAQI
18th Oct 2025499 AMAQI
18th Oct 20255310 AMAQI
18th Oct 20255411 AMAQI
18th Oct 20255312 PMAQI
18th Oct 2025501 PMAQI
18th Oct 2025532 PMAQI
18th Oct 2025593 PMAQI
18th Oct 2025574 PMAQI
18th Oct 2025535 PMAQI
18th Oct 2025496 PMAQI
18th Oct 2025497 PMAQI
18th Oct 2025548 PMAQI
18th Oct 2025569 PMAQI
18th Oct 20255710 PMAQI
18th Oct 20255711 PMAQI
19th Oct 20255312 AMAQI
19th Oct 2025541 AMAQI
19th Oct 2025532 AMAQI
19th Oct 2025493 AMAQI
19th Oct 2025464 AMAQI
19th Oct 2025445 AMAQI
3°C1/6°C
19th Oct 2025436 AMAQI
19th Oct 2025507 AMAQI
19th Oct 2025518 AMAQI
19th Oct 2025489 AMAQI
19th Oct 20255310 AMAQI
19th Oct 20255111 AMAQI
19th Oct 20255112 PMAQI
19th Oct 2025471 PMAQI
19th Oct 2025472 PMAQI
19th Oct 2025453 PMAQI
19th Oct 2025494 PMAQI
19th Oct 2025475 PMAQI
19th Oct 2025526 PMAQI
19th Oct 2025647 PMAQI
19th Oct 2025618 PMAQI
19th Oct 2025539 PMAQI
19th Oct 20255510 PMAQI
19th Oct 20255511 PMAQI
20th Oct 20255412 AMAQI
20th Oct 2025531 AMAQI
20th Oct 2025602 AMAQI
20th Oct 2025633 AMAQI
20th Oct 2025624 AMAQI
20th Oct 2025635 AMAQI
1°C-1/5°C
20th Oct 2025526 AMAQI
20th Oct 2025527 AMAQI
20th Oct 2025568 AMAQI
20th Oct 2025569 AMAQI
20th Oct 20255510 AMAQI
20th Oct 20255511 AMAQI
20th Oct 20255512 PMAQI
20th Oct 2025561 PMAQI
20th Oct 2025552 PMAQI
20th Oct 2025553 PMAQI
20th Oct 2025554 PMAQI
20th Oct 2025585 PMAQI
20th Oct 2025576 PMAQI
20th Oct 2025567 PMAQI
20th Oct 2025578 PMAQI
20th Oct 2025569 PMAQI
20th Oct 20255810 PMAQI
20th Oct 20255711 PMAQI
21st Oct 20255612 AMAQI
21st Oct 2025571 AMAQI
21st Oct 2025562 AMAQI
21st Oct 2025553 AMAQI
21st Oct 2025554 AMAQI
21st Oct 2025555 AMAQI
2°C-1/7°C
21st Oct 2025536 AMAQI
21st Oct 2025557 AMAQI
21st Oct 2025538 AMAQI
21st Oct 2025539 AMAQI
21st Oct 20255310 AMAQI
21st Oct 20255311 AMAQI
21st Oct 20255312 PMAQI
21st Oct 2025531 PMAQI
21st Oct 2025532 PMAQI
21st Oct 2025533 PMAQI
21st Oct 2025534 PMAQI
21st Oct 2025525 PMAQI
21st Oct 2025506 PMAQI
21st Oct 2025507 PMAQI
21st Oct 2025538 PMAQI
21st Oct 2025549 PMAQI
21st Oct 20255410 PMAQI
21st Oct 20255411 PMAQI
22nd Oct 20255712 AMAQI
22nd Oct 2025561 AMAQI
22nd Oct 2025562 AMAQI
22nd Oct 2025593 AMAQI
22nd Oct 2025684 AMAQI
22nd Oct 2025535 AMAQI
4°C3/5°C
22nd Oct 2025416 AMAQI
22nd Oct 2025377 AMAQI
22nd Oct 2025448 AMAQI
22nd Oct 2025529 AMAQI
22nd Oct 20254510 AMAQI
22nd Oct 20254411 AMAQI
22nd Oct 20253412 PMAQI
22nd Oct 2025341 PMAQI
22nd Oct 2025352 PMAQI
22nd Oct 2025383 PMAQI
22nd Oct 2025344 PMAQI
22nd Oct 2025425 PMAQI
22nd Oct 2025416 PMAQI
22nd Oct 2025467 PMAQI
22nd Oct 2025508 PMAQI
22nd Oct 2025499 PMAQI
22nd Oct 20255010 PMAQI
22nd Oct 20255011 PMAQI
23rd Oct 20254912 AMAQI
23rd Oct 2025491 AMAQI
23rd Oct 2025462 AMAQI
23rd Oct 2025453 AMAQI
23rd Oct 2025434 AMAQI
23rd Oct 2025385 AMAQI
5°C4/7°C
23rd Oct 2025306 AMAQI
23rd Oct 2025307 AMAQI
23rd Oct 2025308 AMAQI
23rd Oct 2025349 AMAQI
23rd Oct 20253410 AMAQI
23rd Oct 20253811 AMAQI
23rd Oct 20252412 PMAQI
23rd Oct 2025221 PMAQI
23rd Oct 2025182 PMAQI
23rd Oct 2025223 PMAQI
23rd Oct 2025234 PMAQI
23rd Oct 2025285 PMAQI
23rd Oct 2025356 PMAQI
23rd Oct 2025387 PMAQI
23rd Oct 2025458 PMAQI
23rd Oct 2025529 PMAQI
23rd Oct 20255510 PMAQI
23rd Oct 20255511 PMAQI
24th Oct 20255712 AMAQI
24th Oct 2025581 AMAQI
24th Oct 2025572 AMAQI
24th Oct 2025643 AMAQI
24th Oct 2025594 AMAQI
24th Oct 2025585 AMAQI
4°C2/5°C
24th Oct 2025596 AMAQI
24th Oct 2025587 AMAQI
24th Oct 2025588 AMAQI
24th Oct 2025589 AMAQI
24th Oct 20255910 AMAQI
24th Oct 20255911 AMAQI
24th Oct 20255812 PMAQI
24th Oct 2025561 PMAQI
24th Oct 2025572 PMAQI
24th Oct 2025573 PMAQI
24th Oct 2025584 PMAQI
24th Oct 2025565 PMAQI
24th Oct 2025566 PMAQI
24th Oct 2025567 PMAQI
24th Oct 2025598 PMAQI
24th Oct 2025589 PMAQI
24th Oct 20256010 PMAQI
24th Oct 20255911 PMAQI
25th Oct 20255412 AMAQI
25th Oct 2025561 AMAQI
25th Oct 2025562 AMAQI
25th Oct 2025543 AMAQI
25th Oct 2025564 AMAQI
25th Oct 2025575 AMAQI
4°C1/5°C
25th Oct 2025576 AMAQI
25th Oct 2025567 AMAQI
25th Oct 2025568 AMAQI
25th Oct 2025579 AMAQI
25th Oct 20255810 AMAQI
25th Oct 20255811 AMAQI
25th Oct 20255812 PMAQI
25th Oct 2025541 PMAQI
25th Oct 2025542 PMAQI
25th Oct 2025483 PMAQI
25th Oct 2025484 PMAQI
25th Oct 2025465 PMAQI
25th Oct 2025516 PMAQI
25th Oct 2025507 PMAQI
25th Oct 2025548 PMAQI
25th Oct 2025519 PMAQI
25th Oct 20255010 PMAQI
25th Oct 20254811 PMAQI
26th Oct 20254412 AMAQI
26th Oct 2025361 AMAQI
26th Oct 2025342 AMAQI
26th Oct 2025323 AMAQI
26th Oct 2025284 AMAQI
26th Oct 2025275 AMAQI
7°C5/8°C
26th Oct 2025286 AMAQI
26th Oct 2025267 AMAQI
26th Oct 2025278 AMAQI
26th Oct 2025249 AMAQI
26th Oct 20252010 AMAQI
26th Oct 20252211 AMAQI
26th Oct 20252212 PMAQI
26th Oct 2025201 PMAQI
26th Oct 2025222 PMAQI
26th Oct 2025223 PMAQI
26th Oct 2025224 PMAQI
26th Oct 2025185 PMAQI
26th Oct 2025186 PMAQI
26th Oct 2025227 PMAQI
26th Oct 2025208 PMAQI
26th Oct 2025229 PMAQI
26th Oct 20252210 PMAQI
26th Oct 20252211 PMAQI
27th Oct 20252212 AMAQI
27th Oct 2025271 AMAQI
27th Oct 2025292 AMAQI
27th Oct 2025343 AMAQI
27th Oct 2025324 AMAQI
27th Oct 2025345 AMAQI
6°C4/8°C
27th Oct 2025396 AMAQI
27th Oct 2025427 AMAQI
27th Oct 2025498 AMAQI
27th Oct 2025519 AMAQI
27th Oct 20255110 AMAQI
27th Oct 20255011 AMAQI
27th Oct 20254612 PMAQI
27th Oct 2025411 PMAQI
27th Oct 2025422 PMAQI
27th Oct 2025403 PMAQI
27th Oct 2025404 PMAQI
27th Oct 2025375 PMAQI
27th Oct 2025406 PMAQI
27th Oct 2025407 PMAQI
27th Oct 2025408 PMAQI
27th Oct 2025409 PMAQI
27th Oct 20253610 PMAQI
27th Oct 20254011 PMAQI
28th Oct 20254012 AMAQI
28th Oct 2025341 AMAQI
28th Oct 2025342 AMAQI
28th Oct 2025353 AMAQI
28th Oct 2025344 AMAQI
28th Oct 2025325 AMAQI
6°C4/8°C
28th Oct 2025306 AMAQI
28th Oct 2025347 AMAQI
28th Oct 2025358 AMAQI
28th Oct 2025359 AMAQI
28th Oct 20253010 AMAQI
28th Oct 20252911 AMAQI
28th Oct 20252512 PMAQI
28th Oct 2025261 PMAQI
28th Oct 2025262 PMAQI
28th Oct 2025263 PMAQI
28th Oct 2025264 PMAQI
28th Oct 2025305 PMAQI
28th Oct 2025366 PMAQI
28th Oct 2025407 PMAQI
28th Oct 2025408 PMAQI
28th Oct 2025399 PMAQI
28th Oct 20253510 PMAQI
28th Oct 20253411 PMAQI
29th Oct 20254012 AMAQI
29th Oct 2025351 AMAQI
29th Oct 2025342 AMAQI
29th Oct 2025423 AMAQI
29th Oct 2025454 AMAQI
29th Oct 2025525 AMAQI
5°C4/6°C
29th Oct 2025576 AMAQI
29th Oct 2025577 AMAQI
29th Oct 2025578 AMAQI
29th Oct 2025569 AMAQI
29th Oct 20255810 AMAQI
29th Oct 20255611 AMAQI
29th Oct 20255312 PMAQI
29th Oct 2025501 PMAQI
29th Oct 2025402 PMAQI
29th Oct 2025343 PMAQI
29th Oct 2025354 PMAQI
29th Oct 2025355 PMAQI
29th Oct 2025396 PMAQI
29th Oct 2025407 PMAQI
29th Oct 2025468 PMAQI
29th Oct 2025509 PMAQI
29th Oct 20255010 PMAQI
29th Oct 20255311 PMAQI
30th Oct 20255412 AMAQI
30th Oct 2025551 AMAQI
30th Oct 2025552 AMAQI
30th Oct 2025543 AMAQI
30th Oct 2025534 AMAQI
30th Oct 2025545 AMAQI
4°C3/5°C
30th Oct 2025556 AMAQI
30th Oct 2025567 AMAQI
30th Oct 2025558 AMAQI
30th Oct 2025569 AMAQI
30th Oct 20255610 AMAQI
30th Oct 20255611 AMAQI
30th Oct 20255612 PMAQI
30th Oct 2025561 PMAQI
30th Oct 2025562 PMAQI
30th Oct 2025553 PMAQI
30th Oct 2025554 PMAQI
30th Oct 2025545 PMAQI
30th Oct 2025576 PMAQI
30th Oct 2025637 PMAQI
30th Oct 2025668 PMAQI
30th Oct 2025659 PMAQI
30th Oct 20256310 PMAQI
30th Oct 20256111 PMAQI
31st Oct 20256012 AMAQI
31st Oct 2025621 AMAQI
31st Oct 2025622 AMAQI
31st Oct 2025593 AMAQI
31st Oct 2025604 AMAQI
31st Oct 2025585 AMAQI
4°C2/7°C
31st Oct 2025526 AMAQI
31st Oct 2025517 AMAQI
31st Oct 2025548 AMAQI
31st Oct 2025569 AMAQI
31st Oct 20255910 AMAQI
31st Oct 20255811 AMAQI
31st Oct 20255612 PMAQI
31st Oct 2025561 PMAQI
31st Oct 2025542 PMAQI
31st Oct 2025543 PMAQI
31st Oct 2025534 PMAQI
31st Oct 2025505 PMAQI
31st Oct 2025496 PMAQI
31st Oct 2025447 PMAQI
31st Oct 2025408 PMAQI
31st Oct 2025439 PMAQI
31st Oct 20255010 PMAQI
31st Oct 20254911 PMAQI
1st Nov 20254512 AMAQI
1st Nov 2025461 AMAQI
1st Nov 2025452 AMAQI
1st Nov 2025493 AMAQI
1st Nov 2025314 AMAQI
1st Nov 2025405 AMAQI
5°C4/7°C
1st Nov 2025456 AMAQI
1st Nov 2025507 AMAQI
1st Nov 2025368 AMAQI
1st Nov 2025439 AMAQI
1st Nov 20255110 AMAQI
1st Nov 20255011 AMAQI
1st Nov 20255012 PMAQI
1st Nov 2025451 PMAQI
1st Nov 2025412 PMAQI
1st Nov 2025403 PMAQI
1st Nov 2025414 PMAQI
1st Nov 2025465 PMAQI
1st Nov 2025516 PMAQI
1st Nov 2025557 PMAQI
1st Nov 2025568 PMAQI
1st Nov 2025569 PMAQI
1st Nov 20255910 PMAQI
1st Nov 20255911 PMAQI
2nd Nov 20255912 AMAQI
2nd Nov 2025601 AMAQI
2nd Nov 2025562 AMAQI
2nd Nov 2025573 AMAQI
2nd Nov 2025564 AMAQI
2nd Nov 2025565 AMAQI
3°C1/5°C
2nd Nov 2025506 AMAQI
6 AM2nd Nov 2025517 AMAQI
2nd Nov 2025518 AMAQI
2nd Nov 2025519 AMAQI
2nd Nov 20255310 AMAQI
2nd Nov 20254411 AMAQI
11 AM2nd Nov 20254212 PMAQI
2nd Nov 2025401 PMAQI
2nd Nov 2025452 PMAQI
2nd Nov 2025463 PMAQI
5 PM
11 PM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 12 PM
52AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
1 PM - 5 PM
47AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 12 PM (Avg. 52), while the lowest AQI was between 1 PM to 5 PM (Avg. 47).
Night time
Avg. Highest Time
12 AM - 5 AM
53AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
6 PM
50AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 5 AM (Avg. 53), while the lowest AQI was between 6 PM to 6 PM (Avg. 50).
2025 Days Vs Air Quality
Kostroma, Kostromskaya Oblast, Russia
2025
69%
211
31%
94
Total number of days with different AQI categories in last 306 days in 2025 (59 days remaining)
Good
211 DaysModerate
94 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 69%
Health Risk Level:
Moderate
In 2025, 69% of 306 days were within WHO’s safe air quality limits, and 31% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Kostroma, Kostromskaya Oblast, Russia
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
46AQI
46AQI
2nd January 2025
41AQI
41AQI
3rd January 2025
43AQI
43AQI
4th January 2025
50AQI
50AQI
5th January 2025
61AQI
61AQI
6th January 2025
66AQI
66AQI
7th January 2025
43AQI
43AQI
8th January 2025
48AQI
48AQI
9th January 2025
42AQI
42AQI
10th January 2025
55AQI
55AQI
11th January 2025
60AQI
60AQI
12th January 2025
63AQI
63AQI
13th January 2025
77AQI
77AQI
14th January 2025
68AQI
68AQI
15th January 2025
47AQI
47AQI
16th January 2025
66AQI
66AQI
17th January 2025
55AQI
55AQI
18th January 2025
35AQI
35AQI
19th January 2025
26AQI
26AQI
20th January 2025
23AQI
23AQI
21st January 2025
32AQI
32AQI
22nd January 2025
35AQI
35AQI
23rd January 2025
43AQI
43AQI
24th January 2025
45AQI
45AQI
25th January 2025
42AQI
42AQI
26th January 2025
56AQI
56AQI
27th January 2025
47AQI
47AQI
28th January 2025
40AQI
40AQI
29th January 2025
51AQI
51AQI
30th January 2025
46AQI
46AQI
31st January 2025
45AQI
45AQI
1st February 2025
54AQI
54AQI
2nd February 2025
55AQI
55AQI
3rd February 2025
40AQI
40AQI
4th February 2025
62AQI
62AQI
5th February 2025
54AQI
54AQI
6th February 2025
55AQI
55AQI
7th February 2025
55AQI
55AQI
8th February 2025
54AQI
54AQI
9th February 2025
60AQI
60AQI
10th February 2025
58AQI
58AQI
11th February 2025
51AQI
51AQI
12th February 2025
54AQI
54AQI
13th February 2025
54AQI
54AQI
14th February 2025
46AQI
46AQI
15th February 2025
39AQI
39AQI
16th February 2025
45AQI
45AQI
17th February 2025
38AQI
38AQI
18th February 2025
42AQI
42AQI
19th February 2025
36AQI
36AQI
20th February 2025
41AQI
41AQI
21st February 2025
34AQI
34AQI
22nd February 2025
32AQI
32AQI
23rd February 2025
53AQI
53AQI
24th February 2025
52AQI
52AQI
25th February 2025
58AQI
58AQI
26th February 2025
67AQI
67AQI
27th February 2025
64AQI
64AQI
28th February 2025
76AQI
76AQI
1st March 2025
59AQI
59AQI
2nd March 2025
61AQI
61AQI
3rd March 2025
54AQI
54AQI
4th March 2025
37AQI
37AQI
5th March 2025
32AQI
32AQI
6th March 2025
32AQI
32AQI
7th March 2025
39AQI
39AQI
8th March 2025
50AQI
50AQI
9th March 2025
41AQI
41AQI
10th March 2025
55AQI
55AQI
11th March 2025
58AQI
58AQI
12th March 2025
72AQI
72AQI
13th March 2025
71AQI
71AQI
14th March 2025
55AQI
55AQI
15th March 2025
56AQI
56AQI
16th March 2025
64AQI
64AQI
17th March 2025
56AQI
56AQI
18th March 2025
60AQI
60AQI
19th March 2025
56AQI
56AQI
20th March 2025
54AQI
54AQI
21st March 2025
54AQI
54AQI
22nd March 2025
50AQI
50AQI
23rd March 2025
40AQI
40AQI
24th March 2025
54AQI
54AQI
25th March 2025
50AQI
50AQI
26th March 2025
56AQI
56AQI
27th March 2025
62AQI
62AQI
28th March 2025
50AQI
50AQI
29th March 2025
62AQI
62AQI
30th March 2025
61AQI
61AQI
31st March 2025
70AQI
70AQI
1st April 2025
67AQI
67AQI
2nd April 2025
57AQI
57AQI
3rd April 2025
44AQI
44AQI
4th April 2025
46AQI
46AQI
5th April 2025
36AQI
36AQI
6th April 2025
30AQI
30AQI
7th April 2025
38AQI
38AQI
8th April 2025
41AQI
41AQI
9th April 2025
29AQI
29AQI
10th April 2025
25AQI
25AQI
11th April 2025
33AQI
33AQI
12th April 2025
24AQI
24AQI
13th April 2025
26AQI
26AQI
14th April 2025
39AQI
39AQI
15th April 2025
40AQI
40AQI
16th April 2025
38AQI
38AQI
17th April 2025
51AQI
51AQI
18th April 2025
49AQI
49AQI
19th April 2025
57AQI
57AQI
20th April 2025
51AQI
51AQI
21st April 2025
51AQI
51AQI
22nd April 2025
51AQI
51AQI
23rd April 2025
56AQI
56AQI
24th April 2025
34AQI
34AQI
25th April 2025
42AQI
42AQI
26th April 2025
49AQI
49AQI
27th April 2025
37AQI
37AQI
28th April 2025
35AQI
35AQI
29th April 2025
28AQI
28AQI
30th April 2025
26AQI
26AQI
1st May 2025
28AQI
28AQI
2nd May 2025
14AQI
14AQI
3rd May 2025
21AQI
21AQI
4th May 2025
15AQI
15AQI
5th May 2025
15AQI
15AQI
6th May 2025
13AQI
13AQI
7th May 2025
13AQI
13AQI
8th May 2025
18AQI
18AQI
9th May 2025
18AQI
18AQI
10th May 2025
16AQI
16AQI
11th May 2025
14AQI
14AQI
12th May 2025
16AQI
16AQI
13th May 2025
19AQI
19AQI
14th May 2025
16AQI
16AQI
15th May 2025
16AQI
16AQI
16th May 2025
15AQI
15AQI
17th May 2025
16AQI
16AQI
18th May 2025
20AQI
20AQI
19th May 2025
20AQI
20AQI
20th May 2025
12AQI
12AQI
21st May 2025
14AQI
14AQI
22nd May 2025
12AQI
12AQI
23rd May 2025
12AQI
12AQI
24th May 2025
13AQI
13AQI
25th May 2025
13AQI
13AQI
26th May 2025
14AQI
14AQI
27th May 2025
13AQI
13AQI
28th May 2025
14AQI
14AQI
29th May 2025
15AQI
15AQI
30th May 2025
14AQI
14AQI
31st May 2025
19AQI
19AQI
1st June 2025
16AQI
16AQI
2nd June 2025
12AQI
12AQI
3rd June 2025
14AQI
14AQI
4th June 2025
15AQI
15AQI
5th June 2025
14AQI
14AQI
6th June 2025
15AQI
15AQI
7th June 2025
20AQI
20AQI
8th June 2025
20AQI
20AQI
9th June 2025
27AQI
27AQI
10th June 2025
22AQI
22AQI
11th June 2025
17AQI
17AQI
12th June 2025
22AQI
22AQI
13th June 2025
21AQI
21AQI
14th June 2025
17AQI
17AQI
15th June 2025
18AQI
18AQI
16th June 2025
19AQI
19AQI
17th June 2025
17AQI
17AQI
18th June 2025
17AQI
17AQI
19th June 2025
17AQI
17AQI
20th June 2025
20AQI
20AQI
21st June 2025
15AQI
15AQI
22nd June 2025
12AQI
12AQI
23rd June 2025
13AQI
13AQI
24th June 2025
14AQI
14AQI
25th June 2025
16AQI
16AQI
26th June 2025
15AQI
15AQI
27th June 2025
15AQI
15AQI
28th June 2025
15AQI
15AQI
29th June 2025
17AQI
17AQI
30th June 2025
16AQI
16AQI
1st July 2025
14AQI
14AQI
2nd July 2025
14AQI
14AQI
3rd July 2025
15AQI
15AQI
4th July 2025
17AQI
17AQI
5th July 2025
15AQI
15AQI
6th July 2025
16AQI
16AQI
7th July 2025
16AQI
16AQI
8th July 2025
18AQI
18AQI
9th July 2025
22AQI
22AQI
10th July 2025
20AQI
20AQI
11th July 2025
21AQI
21AQI
12th July 2025
24AQI
24AQI
13th July 2025
22AQI
22AQI
14th July 2025
22AQI
22AQI
15th July 2025
23AQI
23AQI
16th July 2025
20AQI
20AQI
17th July 2025
20AQI
20AQI
18th July 2025
18AQI
18AQI
19th July 2025
17AQI
17AQI
20th July 2025
17AQI
17AQI
21st July 2025
20AQI
20AQI
22nd July 2025
20AQI
20AQI
23rd July 2025
19AQI
19AQI
24th July 2025
22AQI
22AQI
25th July 2025
21AQI
21AQI
26th July 2025
24AQI
24AQI
27th July 2025
26AQI
26AQI
28th July 2025
27AQI
27AQI
29th July 2025
32AQI
32AQI
30th July 2025
38AQI
38AQI
31st July 2025
53AQI
53AQI
1st August 2025
51AQI
51AQI
2nd August 2025
57AQI
57AQI
3rd August 2025
52AQI
52AQI
4th August 2025
52AQI
52AQI
5th August 2025
40AQI
40AQI
6th August 2025
38AQI
38AQI
7th August 2025
34AQI
34AQI
8th August 2025
27AQI
27AQI
9th August 2025
24AQI
24AQI
10th August 2025
26AQI
26AQI
11th August 2025
28AQI
28AQI
12th August 2025
34AQI
34AQI
13th August 2025
30AQI
30AQI
14th August 2025
29AQI
29AQI
15th August 2025
34AQI
34AQI
16th August 2025
37AQI
37AQI
17th August 2025
31AQI
31AQI
18th August 2025
26AQI
26AQI
19th August 2025
39AQI
39AQI
20th August 2025
39AQI
39AQI
21st August 2025
32AQI
32AQI
22nd August 2025
31AQI
31AQI
23rd August 2025
38AQI
38AQI
24th August 2025
33AQI
33AQI
25th August 2025
39AQI
39AQI
26th August 2025
39AQI
39AQI
27th August 2025
40AQI
40AQI
28th August 2025
44AQI
44AQI
29th August 2025
51AQI
51AQI
30th August 2025
54AQI
54AQI
31st August 2025
47AQI
47AQI
1st September 2025
49AQI
49AQI
2nd September 2025
54AQI
54AQI
3rd September 2025
56AQI
56AQI
4th September 2025
40AQI
40AQI
5th September 2025
51AQI
51AQI
6th September 2025
54AQI
54AQI
7th September 2025
56AQI
56AQI
8th September 2025
55AQI
55AQI
9th September 2025
55AQI
55AQI
10th September 2025
53AQI
53AQI
11th September 2025
50AQI
50AQI
12th September 2025
45AQI
45AQI
13th September 2025
45AQI
45AQI
14th September 2025
50AQI
50AQI
15th September 2025
45AQI
45AQI
16th September 2025
46AQI
46AQI
17th September 2025
41AQI
41AQI
18th September 2025
34AQI
34AQI
19th September 2025
33AQI
33AQI
20th September 2025
31AQI
31AQI
21st September 2025
25AQI
25AQI
22nd September 2025
36AQI
36AQI
23rd September 2025
21AQI
21AQI
24th September 2025
18AQI
18AQI
25th September 2025
18AQI
18AQI
26th September 2025
19AQI
19AQI
27th September 2025
13AQI
13AQI
28th September 2025
7AQI
7AQI
29th September 2025
17AQI
17AQI
30th September 2025
17AQI
17AQI
1st October 2025
27AQI
27AQI
2nd October 2025
52AQI
52AQI
3rd October 2025
56AQI
56AQI
4th October 2025
61AQI
61AQI
5th October 2025
47AQI
47AQI
6th October 2025
66AQI
66AQI
7th October 2025
66AQI
66AQI
8th October 2025
72AQI
72AQI
9th October 2025
73AQI
73AQI
10th October 2025
60AQI
60AQI
11th October 2025
60AQI
60AQI
12th October 2025
54AQI
54AQI
13th October 2025
51AQI
51AQI
14th October 2025
40AQI
40AQI
15th October 2025
42AQI
42AQI
16th October 2025
53AQI
53AQI
17th October 2025
54AQI
54AQI
18th October 2025
52AQI
52AQI
19th October 2025
52AQI
52AQI
20th October 2025
56AQI
56AQI
21st October 2025
54AQI
54AQI
22nd October 2025
49AQI
49AQI
23rd October 2025
40AQI
40AQI
24th October 2025
58AQI
58AQI
25th October 2025
54AQI
54AQI
26th October 2025
28AQI
28AQI
27th October 2025
36AQI
36AQI
28th October 2025
34AQI
34AQI
29th October 2025
45AQI
45AQI
30th October 2025
57AQI
57AQI
31st October 2025
54AQI
54AQI
1st November 2025
46AQI
46AQI
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
48AQI
51AQI
54AQI
41AQI
16AQI
17AQI
22AQI
38AQI
38AQI
52AQI
46AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202538AQI
20
11
10
18
10
21
22
8
31
30
30
1
25
6
22
8
10
21
1
211
94
Highest AQI recorded in
March54AQI
Lowest AQI recorded in
May16AQI
202419AQI
31
29
30
1
30
31
30
31
31
3
13
29
1
15
16
303
18
Highest AQI recorded in
December52AQI
Lowest AQI recorded in
April9AQI
202315AQI
31
27
1
31
27
1
31
30
31
31
27
31
28
1
30
1
355
3
1
Highest AQI recorded in
February26AQI
Lowest AQI recorded in
October10AQI
202226AQI
2
1
1
29
1
12
3
43
5
1
Highest AQI recorded in
October57AQI
Lowest AQI recorded in
November20AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2025(Avg.)
38AQILeast Polluted Year Recorded
2023(Avg.)
15AQIKostroma's annual 2025 AQI (38) shows an average percentage change of 96.8% (worsened AQI) compared to previous years: 2022 (26), 2023 (15), 2024 (19).
