Cluj Napoca, Cluj County, Romania 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
Cluj Napoca, Cluj County, Romania
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
2nd Nov 2025
86AQILowest AQI recorded on
4th Nov 2025
40AQISame Day Analysis (4th November ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 40 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Nov - 5th Nov 2025
Cluj Napoca, Cluj County, Romania
AQI
Day
Night
.
7 AM4th Nov 2025
6 PM
6 AM5th Nov 2025
Day time
Avg. Highest Time
5PM4th Nov
36AQI
Avg. Lowest Time
9AM4th Nov
20AQI
Night time
Avg. Highest Time
1AM5th Nov
84AQI
Avg. Lowest Time
6PM4th Nov
40AQI
In the last 24 hours,
Cluj Napoca's AQI reached its highest point of 84 at 1 AM during the Night, while the lowest point, 20, was recorded at 9 AM during the Day between 4th Nov and 5th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Cluj Napoca, Cluj County, Romania
OctNov
06th - 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 - 03rd03rd - 04th04th - 05th05th
Day
Night
6th Oct 2025697 AMAQI
6th Oct 2025738 AMAQI
6th Oct 2025739 AMAQI
6th Oct 20257010 AMAQI
6th Oct 20256711 AMAQI
6th Oct 20256212 PMAQI
6th Oct 2025591 PMAQI
6th Oct 2025592 PMAQI
6th Oct 2025603 PMAQI
6th Oct 2025594 PMAQI
6th Oct 2025605 PMAQI
6th Oct 2025616 PMAQI
6th Oct 2025647 PMAQI
6th Oct 2025658 PMAQI
9°C7/11°C
7th Oct 2025632 PMAQI
7th Oct 2025593 PMAQI
7th Oct 2025564 PMAQI
7th Oct 2025555 PMAQI
7th Oct 2025546 PMAQI
7th Oct 2025557 PMAQI
7th Oct 2025588 PMAQI
7th Oct 2025549 PMAQI
7th Oct 20255510 PMAQI
7th Oct 20256011 PMAQI
8th Oct 20256012 AMAQI
8th Oct 2025611 AMAQI
8th Oct 2025642 AMAQI
8th Oct 2025683 AMAQI
8th Oct 2025624 AMAQI
8th Oct 2025585 AMAQI
8th Oct 2025556 AMAQI
9°C8/11°C
8th Oct 2025527 AMAQI
8th Oct 2025508 AMAQI
8th Oct 2025499 AMAQI
8th Oct 20254910 AMAQI
8th Oct 20255011 AMAQI
8th Oct 20254912 PMAQI
8th Oct 2025511 PMAQI
8th Oct 2025512 PMAQI
8th Oct 2025543 PMAQI
8th Oct 2025514 PMAQI
8th Oct 2025525 PMAQI
8th Oct 2025526 PMAQI
8th Oct 2025537 PMAQI
8th Oct 2025568 PMAQI
8th Oct 2025579 PMAQI
8th Oct 20255710 PMAQI
8th Oct 20256011 PMAQI
9th Oct 20256512 AMAQI
9th Oct 2025681 AMAQI
9th Oct 2025682 AMAQI
9th Oct 2025663 AMAQI
9th Oct 2025634 AMAQI
9th Oct 2025615 AMAQI
9th Oct 2025586 AMAQI
10°C8/12°C
9th Oct 2025577 AMAQI
9th Oct 2025578 AMAQI
9th Oct 2025579 AMAQI
9th Oct 20255710 AMAQI
9th Oct 20255811 AMAQI
9th Oct 20255812 PMAQI
9th Oct 2025581 PMAQI
9th Oct 2025582 PMAQI
9th Oct 2025563 PMAQI
9th Oct 2025564 PMAQI
9th Oct 2025545 PMAQI
9th Oct 2025546 PMAQI
9th Oct 2025557 PMAQI
9th Oct 2025578 PMAQI
9th Oct 2025579 PMAQI
9th Oct 20256510 PMAQI
9th Oct 20256911 PMAQI
10th Oct 20257512 AMAQI
10th Oct 2025811 AMAQI
10th Oct 2025832 AMAQI
10th Oct 2025853 AMAQI
10th Oct 2025834 AMAQI
10th Oct 2025765 AMAQI
10th Oct 2025686 AMAQI
10°C6/14°C
10th Oct 2025647 AMAQI
10th Oct 2025598 AMAQI
10th Oct 2025589 AMAQI
10th Oct 20255710 AMAQI
10th Oct 20255711 AMAQI
10th Oct 20255912 PMAQI
10th Oct 2025571 PMAQI
10th Oct 2025552 PMAQI
10th Oct 2025513 PMAQI
10th Oct 2025514 PMAQI
10th Oct 2025515 PMAQI
10th Oct 2025526 PMAQI
10th Oct 2025557 PMAQI
10th Oct 2025578 PMAQI
10th Oct 2025589 PMAQI
10th Oct 20256010 PMAQI
10th Oct 20255611 PMAQI
11th Oct 20255512 AMAQI
11th Oct 2025561 AMAQI
11th Oct 2025552 AMAQI
11th Oct 2025533 AMAQI
11th Oct 2025494 AMAQI
11th Oct 2025455 AMAQI
11th Oct 2025456 AMAQI
11°C8/15°C
11th Oct 2025477 AMAQI
11th Oct 2025468 AMAQI
11th Oct 2025499 AMAQI
11th Oct 20255010 AMAQI
11th Oct 20255111 AMAQI
11th Oct 20255212 PMAQI
11th Oct 2025531 PMAQI
11th Oct 2025512 PMAQI
11th Oct 2025513 PMAQI
11th Oct 2025504 PMAQI
11th Oct 2025535 PMAQI
11th Oct 2025506 PMAQI
11th Oct 2025497 PMAQI
11th Oct 2025478 PMAQI
11th Oct 2025509 PMAQI
11th Oct 20255110 PMAQI
11th Oct 20255311 PMAQI
12th Oct 20255512 AMAQI
12th Oct 2025551 AMAQI
12th Oct 2025532 AMAQI
12th Oct 2025483 AMAQI
12th Oct 2025474 AMAQI
12th Oct 2025465 AMAQI
12th Oct 2025466 AMAQI
9°C8/11°C
12th Oct 2025497 AMAQI
12th Oct 2025448 AMAQI
12th Oct 2025479 AMAQI
12th Oct 20255010 AMAQI
12th Oct 20255211 AMAQI
12th Oct 20255212 PMAQI
12th Oct 2025521 PMAQI
12th Oct 2025522 PMAQI
12th Oct 2025503 PMAQI
12th Oct 2025474 PMAQI
12th Oct 2025465 PMAQI
12th Oct 2025476 PMAQI
12th Oct 2025467 PMAQI
12th Oct 2025508 PMAQI
12th Oct 2025599 PMAQI
12th Oct 20256210 PMAQI
12th Oct 20256211 PMAQI
13th Oct 20256612 AMAQI
13th Oct 2025681 AMAQI
13th Oct 2025662 AMAQI
13th Oct 2025653 AMAQI
13th Oct 2025654 AMAQI
13th Oct 2025645 AMAQI
13th Oct 2025616 AMAQI
11°C9/13°C
13th Oct 2025577 AMAQI
13th Oct 2025578 AMAQI
13th Oct 2025579 AMAQI
13th Oct 20255910 AMAQI
13th Oct 20256211 AMAQI
13th Oct 20256012 PMAQI
13th Oct 2025601 PMAQI
13th Oct 2025592 PMAQI
13th Oct 2025583 PMAQI
13th Oct 2025554 PMAQI
13th Oct 2025445 PMAQI
13th Oct 2025446 PMAQI
13th Oct 2025467 PMAQI
13th Oct 2025478 PMAQI
13th Oct 2025519 PMAQI
13th Oct 20255110 PMAQI
13th Oct 20255311 PMAQI
14th Oct 20255712 AMAQI
14th Oct 2025601 AMAQI
14th Oct 2025602 AMAQI
14th Oct 2025613 AMAQI
14th Oct 2025564 AMAQI
14th Oct 2025545 AMAQI
14th Oct 2025516 AMAQI
10°C7/13°C
14th Oct 2025497 AMAQI
14th Oct 2025428 AMAQI
14th Oct 2025419 AMAQI
14th Oct 20254810 AMAQI
14th Oct 20255111 AMAQI
14th Oct 20255412 PMAQI
14th Oct 2025541 PMAQI
14th Oct 2025542 PMAQI
14th Oct 2025523 PMAQI
14th Oct 2025524 PMAQI
14th Oct 2025495 PMAQI
14th Oct 2025506 PMAQI
14th Oct 2025497 PMAQI
14th Oct 2025528 PMAQI
14th Oct 2025599 PMAQI
14th Oct 20257310 PMAQI
14th Oct 20257811 PMAQI
15th Oct 20257312 AMAQI
15th Oct 2025811 AMAQI
15th Oct 2025832 AMAQI
15th Oct 2025783 AMAQI
15th Oct 2025784 AMAQI
15th Oct 2025735 AMAQI
15th Oct 2025696 AMAQI
8°C4/11°C
15th Oct 2025727 AMAQI
15th Oct 2025688 AMAQI
15th Oct 2025679 AMAQI
15th Oct 20256610 AMAQI
15th Oct 20256711 AMAQI
15th Oct 20257012 PMAQI
15th Oct 2025631 PMAQI
15th Oct 2025622 PMAQI
15th Oct 2025613 PMAQI
15th Oct 2025614 PMAQI
15th Oct 2025545 PMAQI
15th Oct 2025546 PMAQI
15th Oct 2025527 PMAQI
15th Oct 2025568 PMAQI
15th Oct 2025649 PMAQI
15th Oct 20257410 PMAQI
15th Oct 20257511 PMAQI
16th Oct 20259812 AMAQI
16th Oct 20251061 AMAQI
16th Oct 2025852 AMAQI
16th Oct 2025703 AMAQI
16th Oct 2025654 AMAQI
16th Oct 2025625 AMAQI
16th Oct 2025616 AMAQI
8°C6/11°C
16th Oct 2025677 AMAQI
16th Oct 2025708 AMAQI
16th Oct 2025759 AMAQI
16th Oct 20258110 AMAQI
16th Oct 20258111 AMAQI
16th Oct 20258912 PMAQI
16th Oct 2025801 PMAQI
16th Oct 2025752 PMAQI
16th Oct 2025613 PMAQI
16th Oct 2025534 PMAQI
16th Oct 2025565 PMAQI
16th Oct 2025546 PMAQI
16th Oct 2025527 PMAQI
16th Oct 2025598 PMAQI
16th Oct 2025649 PMAQI
16th Oct 20256710 PMAQI
16th Oct 20257511 PMAQI
17th Oct 20258312 AMAQI
17th Oct 2025961 AMAQI
17th Oct 2025962 AMAQI
17th Oct 2025863 AMAQI
17th Oct 2025724 AMAQI
17th Oct 2025755 AMAQI
17th Oct 2025796 AMAQI
7°C2/13°C
17th Oct 2025777 AMAQI
17th Oct 2025748 AMAQI
17th Oct 2025759 AMAQI
17th Oct 20258110 AMAQI
17th Oct 20258811 AMAQI
17th Oct 20259112 PMAQI
17th Oct 2025961 PMAQI
17th Oct 2025862 PMAQI
17th Oct 2025793 PMAQI
17th Oct 2025654 PMAQI
17th Oct 2025605 PMAQI
17th Oct 2025636 PMAQI
17th Oct 2025687 PMAQI
17th Oct 2025748 PMAQI
17th Oct 2025829 PMAQI
17th Oct 20258310 PMAQI
17th Oct 20258411 PMAQI
18th Oct 20259012 AMAQI
18th Oct 2025991 AMAQI
18th Oct 20251052 AMAQI
18th Oct 20251093 AMAQI
18th Oct 20251004 AMAQI
18th Oct 2025915 AMAQI
18th Oct 2025916 AMAQI
8°C2/14°C
18th Oct 2025907 AMAQI
18th Oct 2025898 AMAQI
18th Oct 2025819 AMAQI
18th Oct 20258210 AMAQI
18th Oct 20258511 AMAQI
18th Oct 20257312 PMAQI
18th Oct 2025831 PMAQI
18th Oct 2025752 PMAQI
18th Oct 2025693 PMAQI
18th Oct 2025614 PMAQI
18th Oct 2025565 PMAQI
18th Oct 2025476 PMAQI
18th Oct 2025487 PMAQI
18th Oct 2025558 PMAQI
18th Oct 2025619 PMAQI
18th Oct 20256610 PMAQI
18th Oct 20255811 PMAQI
19th Oct 20255312 AMAQI
19th Oct 2025501 AMAQI
19th Oct 2025502 AMAQI
19th Oct 2025473 AMAQI
19th Oct 2025454 AMAQI
19th Oct 2025495 AMAQI
19th Oct 2025486 AMAQI
9°C4/12°C
19th Oct 2025477 AMAQI
19th Oct 2025468 AMAQI
19th Oct 2025409 AMAQI
19th Oct 20254510 AMAQI
19th Oct 20254511 AMAQI
19th Oct 20254912 PMAQI
19th Oct 2025451 PMAQI
19th Oct 2025412 PMAQI
19th Oct 2025453 PMAQI
19th Oct 2025454 PMAQI
19th Oct 2025445 PMAQI
19th Oct 2025426 PMAQI
19th Oct 2025457 PMAQI
19th Oct 2025518 PMAQI
19th Oct 2025669 PMAQI
19th Oct 20256210 PMAQI
19th Oct 20257011 PMAQI
20th Oct 20258112 AMAQI
20th Oct 2025911 AMAQI
20th Oct 20251002 AMAQI
20th Oct 2025913 AMAQI
20th Oct 2025774 AMAQI
20th Oct 2025655 AMAQI
20th Oct 2025616 AMAQI
5°C2/10°C
20th Oct 2025577 AMAQI
20th Oct 2025578 AMAQI
20th Oct 2025629 AMAQI
20th Oct 20256810 AMAQI
20th Oct 20257111 AMAQI
20th Oct 20256912 PMAQI
20th Oct 2025671 PMAQI
20th Oct 2025672 PMAQI
20th Oct 2025653 PMAQI
20th Oct 2025604 PMAQI
20th Oct 2025605 PMAQI
20th Oct 2025606 PMAQI
20th Oct 2025597 PMAQI
20th Oct 2025608 PMAQI
20th Oct 2025679 PMAQI
20th Oct 20257110 PMAQI
20th Oct 20258011 PMAQI
21st Oct 20258512 AMAQI
21st Oct 2025941 AMAQI
21st Oct 2025932 AMAQI
21st Oct 2025883 AMAQI
21st Oct 2025844 AMAQI
21st Oct 2025825 AMAQI
21st Oct 2025836 AMAQI
4°C0/10°C
21st Oct 2025847 AMAQI
21st Oct 2025838 AMAQI
21st Oct 2025789 AMAQI
21st Oct 20258410 AMAQI
21st Oct 20259011 AMAQI
21st Oct 20259312 PMAQI
21st Oct 2025901 PMAQI
21st Oct 2025872 PMAQI
21st Oct 2025823 PMAQI
21st Oct 2025804 PMAQI
21st Oct 2025725 PMAQI
21st Oct 2025646 PMAQI
21st Oct 2025667 PMAQI
21st Oct 2025718 PMAQI
21st Oct 2025769 PMAQI
21st Oct 20257710 PMAQI
21st Oct 20258011 PMAQI
22nd Oct 20258512 AMAQI
22nd Oct 2025891 AMAQI
22nd Oct 2025882 AMAQI
22nd Oct 2025843 AMAQI
22nd Oct 2025884 AMAQI
22nd Oct 2025935 AMAQI
22nd Oct 2025906 AMAQI
6°C0/13°C
22nd Oct 2025857 AMAQI
22nd Oct 2025878 AMAQI
22nd Oct 2025879 AMAQI
22nd Oct 20258910 AMAQI
22nd Oct 20258911 AMAQI
22nd Oct 20259512 PMAQI
22nd Oct 2025931 PMAQI
22nd Oct 2025852 PMAQI
22nd Oct 2025823 PMAQI
22nd Oct 2025824 PMAQI
22nd Oct 2025785 PMAQI
22nd Oct 2025716 PMAQI
22nd Oct 2025717 PMAQI
22nd Oct 2025758 PMAQI
22nd Oct 2025799 PMAQI
22nd Oct 20258510 PMAQI
22nd Oct 20258911 PMAQI
23rd Oct 20259912 AMAQI
23rd Oct 20251061 AMAQI
23rd Oct 20251152 AMAQI
23rd Oct 20251213 AMAQI
23rd Oct 20251244 AMAQI
23rd Oct 20251235 AMAQI
23rd Oct 20251186 AMAQI
9°C5/15°C
23rd Oct 20251187 AMAQI
23rd Oct 20251248 AMAQI
23rd Oct 20251219 AMAQI
23rd Oct 202512210 AMAQI
23rd Oct 202512011 AMAQI
23rd Oct 202511412 PMAQI
23rd Oct 20251111 PMAQI
23rd Oct 2025962 PMAQI
23rd Oct 2025853 PMAQI
23rd Oct 2025754 PMAQI
23rd Oct 2025675 PMAQI
23rd Oct 2025636 PMAQI
23rd Oct 2025637 PMAQI
23rd Oct 2025618 PMAQI
23rd Oct 2025629 PMAQI
23rd Oct 20256310 PMAQI
23rd Oct 20256511 PMAQI
24th Oct 20256612 AMAQI
24th Oct 2025661 AMAQI
24th Oct 2025662 AMAQI
24th Oct 2025663 AMAQI
24th Oct 2025654 AMAQI
24th Oct 2025625 AMAQI
24th Oct 2025596 AMAQI
13°C8/20°C
24th Oct 2025587 AMAQI
24th Oct 2025578 AMAQI
24th Oct 2025569 AMAQI
24th Oct 20255310 AMAQI
24th Oct 20255211 AMAQI
24th Oct 20254912 PMAQI
24th Oct 2025481 PMAQI
24th Oct 2025502 PMAQI
24th Oct 2025403 PMAQI
24th Oct 2025314 PMAQI
24th Oct 2025235 PMAQI
24th Oct 2025206 PMAQI
24th Oct 2025237 PMAQI
24th Oct 2025258 PMAQI
24th Oct 2025309 PMAQI
24th Oct 20253410 PMAQI
24th Oct 20253811 PMAQI
25th Oct 20254612 AMAQI
25th Oct 2025491 AMAQI
25th Oct 2025472 AMAQI
25th Oct 2025493 AMAQI
25th Oct 2025484 AMAQI
25th Oct 2025485 AMAQI
25th Oct 2025426 AMAQI
10°C6/14°C
25th Oct 2025317 AMAQI
25th Oct 2025298 AMAQI
25th Oct 2025319 AMAQI
25th Oct 20253610 AMAQI
25th Oct 20254111 AMAQI
25th Oct 20254612 PMAQI
25th Oct 2025511 PMAQI
25th Oct 2025472 PMAQI
25th Oct 2025453 PMAQI
25th Oct 2025404 PMAQI
25th Oct 2025325 PMAQI
25th Oct 2025306 PMAQI
25th Oct 2025327 PMAQI
25th Oct 2025398 PMAQI
25th Oct 2025489 PMAQI
25th Oct 20255610 PMAQI
25th Oct 20256011 PMAQI
26th Oct 20256412 AMAQI
26th Oct 2025681 AMAQI
26th Oct 2025712 AMAQI
26th Oct 2025743 AMAQI
26th Oct 2025704 AMAQI
26th Oct 2025695 AMAQI
26th Oct 2025646 AMAQI
7°C3/13°C
26th Oct 2025557 AMAQI
26th Oct 2025538 AMAQI
26th Oct 2025549 AMAQI
26th Oct 20255410 AMAQI
26th Oct 20255311 AMAQI
26th Oct 20255312 PMAQI
26th Oct 2025531 PMAQI
26th Oct 2025532 PMAQI
26th Oct 2025543 PMAQI
26th Oct 2025554 PMAQI
26th Oct 2025555 PMAQI
26th Oct 2025596 PMAQI
26th Oct 2025627 PMAQI
26th Oct 2025648 PMAQI
26th Oct 2025639 PMAQI
26th Oct 20256510 PMAQI
26th Oct 20256511 PMAQI
27th Oct 20256112 AMAQI
27th Oct 2025481 AMAQI
27th Oct 2025452 AMAQI
27th Oct 2025453 AMAQI
27th Oct 2025434 AMAQI
27th Oct 2025355 AMAQI
27th Oct 2025326 AMAQI
9°C5/14°C
27th Oct 2025297 AMAQI
27th Oct 2025298 AMAQI
27th Oct 2025349 AMAQI
27th Oct 20254110 AMAQI
27th Oct 20254411 AMAQI
27th Oct 20254612 PMAQI
27th Oct 2025481 PMAQI
27th Oct 2025462 PMAQI
27th Oct 2025413 PMAQI
27th Oct 2025344 PMAQI
27th Oct 2025275 PMAQI
27th Oct 2025236 PMAQI
27th Oct 2025297 PMAQI
27th Oct 2025378 PMAQI
27th Oct 2025479 PMAQI
27th Oct 20255310 PMAQI
27th Oct 20255811 PMAQI
28th Oct 20256112 AMAQI
28th Oct 2025671 AMAQI
28th Oct 2025722 AMAQI
28th Oct 2025733 AMAQI
28th Oct 2025724 AMAQI
28th Oct 2025705 AMAQI
28th Oct 2025656 AMAQI
7°C5/11°C
28th Oct 2025627 AMAQI
28th Oct 2025598 AMAQI
28th Oct 2025619 AMAQI
28th Oct 20256110 AMAQI
28th Oct 20256011 AMAQI
28th Oct 20255712 PMAQI
28th Oct 2025531 PMAQI
28th Oct 2025502 PMAQI
28th Oct 2025413 PMAQI
28th Oct 2025304 PMAQI
28th Oct 2025295 PMAQI
28th Oct 2025326 PMAQI
28th Oct 2025327 PMAQI
28th Oct 2025388 PMAQI
28th Oct 2025489 PMAQI
28th Oct 20255510 PMAQI
28th Oct 20256111 PMAQI
29th Oct 20256512 AMAQI
29th Oct 2025671 AMAQI
29th Oct 2025742 AMAQI
29th Oct 2025853 AMAQI
29th Oct 2025844 AMAQI
29th Oct 2025805 AMAQI
29th Oct 2025766 AMAQI
7°C5/11°C
29th Oct 2025727 AMAQI
29th Oct 2025698 AMAQI
29th Oct 2025689 AMAQI
29th Oct 20256710 AMAQI
29th Oct 20256611 AMAQI
29th Oct 20256912 PMAQI
29th Oct 2025701 PMAQI
29th Oct 2025582 PMAQI
29th Oct 2025493 PMAQI
29th Oct 2025334 PMAQI
29th Oct 2025335 PMAQI
29th Oct 2025326 PMAQI
29th Oct 2025387 PMAQI
29th Oct 2025478 PMAQI
29th Oct 2025579 PMAQI
29th Oct 20256610 PMAQI
29th Oct 20257411 PMAQI
30th Oct 20257812 AMAQI
30th Oct 2025841 AMAQI
30th Oct 2025962 AMAQI
30th Oct 2025993 AMAQI
30th Oct 2025964 AMAQI
30th Oct 2025945 AMAQI
30th Oct 2025896 AMAQI
10°C5/17°C
30th Oct 2025867 AMAQI
30th Oct 2025868 AMAQI
30th Oct 2025859 AMAQI
30th Oct 20258510 AMAQI
30th Oct 20258211 AMAQI
30th Oct 20257512 PMAQI
30th Oct 2025731 PMAQI
30th Oct 2025712 PMAQI
30th Oct 2025673 PMAQI
30th Oct 2025604 PMAQI
30th Oct 2025545 PMAQI
30th Oct 2025576 PMAQI
30th Oct 2025587 PMAQI
30th Oct 2025628 PMAQI
30th Oct 2025679 PMAQI
30th Oct 20257110 PMAQI
30th Oct 20257511 PMAQI
31st Oct 20257812 AMAQI
31st Oct 2025731 AMAQI
31st Oct 2025672 AMAQI
31st Oct 2025593 AMAQI
31st Oct 2025494 AMAQI
31st Oct 2025495 AMAQI
31st Oct 2025486 AMAQI
10°C5/17°C
31st Oct 2025507 AMAQI
31st Oct 2025538 AMAQI
31st Oct 2025589 AMAQI
31st Oct 20255910 AMAQI
31st Oct 20255811 AMAQI
31st Oct 20255912 PMAQI
31st Oct 2025601 PMAQI
31st Oct 2025562 PMAQI
31st Oct 2025503 PMAQI
31st Oct 2025494 PMAQI
31st Oct 2025475 PMAQI
31st Oct 2025456 PMAQI
31st Oct 2025477 PMAQI
31st Oct 2025518 PMAQI
31st Oct 2025609 PMAQI
31st Oct 20257010 PMAQI
31st Oct 20257711 PMAQI
1st Nov 20258512 AMAQI
1st Nov 2025991 AMAQI
1st Nov 20251052 AMAQI
1st Nov 2025953 AMAQI
1st Nov 20251024 AMAQI
1st Nov 2025975 AMAQI
1st Nov 2025936 AMAQI
11°C9/15°C
1st Nov 2025827 AMAQI
1st Nov 2025838 AMAQI
1st Nov 2025879 AMAQI
1st Nov 20259410 AMAQI
1st Nov 20259711 AMAQI
1st Nov 20259812 PMAQI
1st Nov 2025891 PMAQI
1st Nov 2025742 PMAQI
1st Nov 2025723 PMAQI
1st Nov 2025684 PMAQI
1st Nov 2025575 PMAQI
1st Nov 2025526 PMAQI
1st Nov 2025527 PMAQI
1st Nov 2025588 PMAQI
1st Nov 2025669 PMAQI
1st Nov 20257610 PMAQI
1st Nov 20258611 PMAQI
2nd Nov 20259412 AMAQI
2nd Nov 20251041 AMAQI
2nd Nov 20251062 AMAQI
2nd Nov 20251083 AMAQI
2nd Nov 20251074 AMAQI
2nd Nov 20251035 AMAQI
2nd Nov 2025976 AMAQI
12°C8/18°C
2nd Nov 2025887 AMAQI
2nd Nov 2025818 AMAQI
2nd Nov 2025779 AMAQI
2nd Nov 20257510 AMAQI
2nd Nov 20257511 AMAQI
2nd Nov 20257812 PMAQI
2nd Nov 2025831 PMAQI
2nd Nov 2025902 PMAQI
2nd Nov 2025893 PMAQI
2nd Nov 2025844 PMAQI
2nd Nov 2025745 PMAQI
2nd Nov 2025766 PMAQI
2nd Nov 2025817 PMAQI
2nd Nov 2025848 PMAQI
2nd Nov 2025939 PMAQI
2nd Nov 202510110 PMAQI
2nd Nov 202510611 PMAQI
3rd Nov 202510812 AMAQI
3rd Nov 20251031 AMAQI
3rd Nov 20251162 AMAQI
3rd Nov 20251073 AMAQI
3rd Nov 2025924 AMAQI
3rd Nov 2025845 AMAQI
3rd Nov 2025796 AMAQI
12°C8/19°C
3rd Nov 2025777 AMAQI
3rd Nov 2025838 AMAQI
3rd Nov 2025939 AMAQI
3rd Nov 20259810 AMAQI
3rd Nov 20259911 AMAQI
3rd Nov 20259312 PMAQI
3rd Nov 2025911 PMAQI
3rd Nov 2025842 PMAQI
3rd Nov 2025773 PMAQI
3rd Nov 2025684 PMAQI
3rd Nov 2025665 PMAQI
3rd Nov 2025686 PMAQI
3rd Nov 2025717 PMAQI
3rd Nov 2025768 PMAQI
3rd Nov 2025779 PMAQI
3rd Nov 20257710 PMAQI
3rd Nov 20257611 PMAQI
4th Nov 20257212 AMAQI
4th Nov 2025591 AMAQI
4th Nov 2025402 AMAQI
4th Nov 2025293 AMAQI
4th Nov 2025224 AMAQI
4th Nov 2025215 AMAQI
4th Nov 2025216 AMAQI
12°C9/18°C
4th Nov 2025217 AMAQI
4th Nov 2025238 AMAQI
4th Nov 2025209 AMAQI
4th Nov 20252210 AMAQI
4th Nov 20252411 AMAQI
4th Nov 20252712 PMAQI
4th Nov 2025301 PMAQI
4th Nov 2025292 PMAQI
4th Nov 2025303 PMAQI
4th Nov 2025344 PMAQI
4th Nov 2025365 PMAQI
4th Nov 2025406 PMAQI
4th Nov 2025487 PMAQI
4th Nov 2025538 PMAQI
4th Nov 2025599 PMAQI
4th Nov 20256610 PMAQI
4th Nov 20257411 PMAQI
5th Nov 20257612 AMAQI
5th Nov 2025841 AMAQI
5th Nov 2025832 AMAQI
5th Nov 2025763 AMAQI
5th Nov 2025714 AMAQI
5th Nov 2025665 AMAQI
5th Nov 2025616 AMAQI
9°C7/12°C
5th Nov 2025587 AMAQI
7 AM5th Nov 2025578 AMAQI
5th Nov 2025569 AMAQI
5th Nov 20255610 AMAQI
5th Nov 20255311 AMAQI
5th Nov 20255812 PMAQI
12 PM5th Nov 2025561 PMAQI
5th Nov 2025572 PMAQI
5th Nov 2025523 PMAQI
5th Nov 2025504 PMAQI
5th Nov 2025485 PMAQI
5th Nov 2025486 PMAQI
6 PM5th Nov 2025537 PMAQI
5th Nov 2025588 PMAQI
5th Nov 2025669 PMAQI
5th Nov 20257210 PMAQI
12 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
10 AM - 1 PM
66AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
5 PM - 6 PM
51AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 1 PM (Avg. 66), while the lowest AQI was between 5 PM to 6 PM (Avg. 51).
Night time
Avg. Highest Time
1 AM - 2 AM
78AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
7 PM
52AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 2 AM (Avg. 78), while the lowest AQI was between 7 PM to 7 PM (Avg. 52).
2025 Days Vs Air Quality
Cluj Napoca, Cluj County, Romania
2025
77%
123
23%
37
Total number of days with different AQI categories in last 309 days in 2025 (56 days remaining)
Good
123 DaysModerate
37 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 77%
Health Risk Level:
Low
In 2025, 77% of 309 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
Cluj Napoca, Cluj County, Romania
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
2nd January 2025
3rd January 2025
4th January 2025
5th January 2025
6th January 2025
7th January 2025
8th January 2025
9th January 2025
10th January 2025
11th January 2025
12th January 2025
13th January 2025
14th January 2025
15th January 2025
16th January 2025
17th January 2025
18th January 2025
19th January 2025
20th January 2025
21st January 2025
22nd January 2025
23rd January 2025
24th January 2025
25th January 2025
26th January 2025
27th January 2025
28th January 2025
29th January 2025
30th January 2025
31st January 2025
1st February 2025
2nd February 2025
3rd February 2025
4th February 2025
5th February 2025
6th February 2025
7th February 2025
8th February 2025
9th February 2025
10th February 2025
11th February 2025
12th February 2025
13th February 2025
14th February 2025
15th February 2025
16th February 2025
17th February 2025
18th February 2025
19th February 2025
20th February 2025
21st February 2025
22nd February 2025
23rd February 2025
24th February 2025
25th February 2025
26th February 2025
27th February 2025
28th February 2025
1st March 2025
2nd March 2025
3rd March 2025
4th March 2025
5th March 2025
6th March 2025
7th March 2025
8th March 2025
9th March 2025
10th March 2025
11th March 2025
12th March 2025
13th March 2025
14th March 2025
15th March 2025
16th March 2025
17th March 2025
18th March 2025
19th March 2025
20th March 2025
21st March 2025
22nd March 2025
23rd March 2025
24th March 2025
25th March 2025
26th March 2025
27th March 2025
28th March 2025
29th March 2025
30th March 2025
31st March 2025
1st April 2025
2nd April 2025
3rd April 2025
4th April 2025
5th April 2025
6th April 2025
7th April 2025
8th April 2025
9th April 2025
10th April 2025
11th April 2025
12th April 2025
13th April 2025
14th April 2025
15th April 2025
16th April 2025
17th April 2025
18th April 2025
19th April 2025
20th April 2025
21st April 2025
22nd April 2025
23rd April 2025
24th April 2025
25th April 2025
26th April 2025
27th April 2025
28th April 2025
29th April 2025
30th April 2025
1st May 2025
2nd May 2025
3rd May 2025
4th May 2025
5th May 2025
6th May 2025
7th May 2025
8th May 2025
9th May 2025
10th May 2025
11th May 2025
12th May 2025
13th May 2025
14th May 2025
15th May 2025
16th May 2025
17th May 2025
18th May 2025
19th May 2025
20th May 2025
21st May 2025
22nd May 2025
23rd May 2025
24th May 2025
25th May 2025
26th May 2025
27th May 2025
28th May 2025
29th May 2025
44AQI
44AQI
30th May 2025
46AQI
46AQI
31st May 2025
47AQI
47AQI
1st June 2025
50AQI
50AQI
2nd June 2025
46AQI
46AQI
3rd June 2025
47AQI
47AQI
4th June 2025
45AQI
45AQI
5th June 2025
56AQI
56AQI
6th June 2025
60AQI
60AQI
7th June 2025
62AQI
62AQI
8th June 2025
63AQI
63AQI
9th June 2025
60AQI
60AQI
10th June 2025
62AQI
62AQI
11th June 2025
69AQI
69AQI
12th June 2025
57AQI
57AQI
13th June 2025
52AQI
52AQI
14th June 2025
47AQI
47AQI
15th June 2025
48AQI
48AQI
16th June 2025
50AQI
50AQI
17th June 2025
53AQI
53AQI
18th June 2025
47AQI
47AQI
19th June 2025
50AQI
50AQI
20th June 2025
47AQI
47AQI
21st June 2025
41AQI
41AQI
22nd June 2025
39AQI
39AQI
23rd June 2025
39AQI
39AQI
24th June 2025
40AQI
40AQI
25th June 2025
41AQI
41AQI
26th June 2025
39AQI
39AQI
27th June 2025
37AQI
37AQI
28th June 2025
36AQI
36AQI
29th June 2025
34AQI
34AQI
30th June 2025
35AQI
35AQI
1st July 2025
36AQI
36AQI
2nd July 2025
36AQI
36AQI
3rd July 2025
33AQI
33AQI
4th July 2025
37AQI
37AQI
5th July 2025
39AQI
39AQI
6th July 2025
37AQI
37AQI
7th July 2025
42AQI
42AQI
8th July 2025
44AQI
44AQI
9th July 2025
42AQI
42AQI
10th July 2025
35AQI
35AQI
11th July 2025
37AQI
37AQI
12th July 2025
36AQI
36AQI
13th July 2025
38AQI
38AQI
14th July 2025
36AQI
36AQI
15th July 2025
35AQI
35AQI
16th July 2025
34AQI
34AQI
17th July 2025
32AQI
32AQI
18th July 2025
23AQI
23AQI
19th July 2025
22AQI
22AQI
20th July 2025
23AQI
23AQI
21st July 2025
32AQI
32AQI
22nd July 2025
32AQI
32AQI
23rd July 2025
25AQI
25AQI
24th July 2025
23AQI
23AQI
25th July 2025
28AQI
28AQI
26th July 2025
33AQI
33AQI
27th July 2025
31AQI
31AQI
28th July 2025
25AQI
25AQI
29th July 2025
21AQI
21AQI
30th July 2025
22AQI
22AQI
31st July 2025
25AQI
25AQI
1st August 2025
25AQI
25AQI
2nd August 2025
27AQI
27AQI
3rd August 2025
28AQI
28AQI
4th August 2025
27AQI
27AQI
5th August 2025
27AQI
27AQI
6th August 2025
28AQI
28AQI
7th August 2025
26AQI
26AQI
8th August 2025
25AQI
25AQI
9th August 2025
25AQI
25AQI
10th August 2025
26AQI
26AQI
11th August 2025
29AQI
29AQI
12th August 2025
31AQI
31AQI
13th August 2025
32AQI
32AQI
14th August 2025
33AQI
33AQI
15th August 2025
32AQI
32AQI
16th August 2025
34AQI
34AQI
17th August 2025
34AQI
34AQI
18th August 2025
33AQI
33AQI
19th August 2025
33AQI
33AQI
20th August 2025
34AQI
34AQI
21st August 2025
34AQI
34AQI
22nd August 2025
34AQI
34AQI
23rd August 2025
33AQI
33AQI
24th August 2025
31AQI
31AQI
25th August 2025
28AQI
28AQI
26th August 2025
28AQI
28AQI
27th August 2025
30AQI
30AQI
28th August 2025
30AQI
30AQI
29th August 2025
29AQI
29AQI
30th August 2025
30AQI
30AQI
31st August 2025
30AQI
30AQI
1st September 2025
31AQI
31AQI
2nd September 2025
32AQI
32AQI
3rd September 2025
33AQI
33AQI
4th September 2025
38AQI
38AQI
5th September 2025
34AQI
34AQI
6th September 2025
33AQI
33AQI
7th September 2025
32AQI
32AQI
8th September 2025
34AQI
34AQI
9th September 2025
34AQI
34AQI
10th September 2025
35AQI
35AQI
11th September 2025
34AQI
34AQI
12th September 2025
33AQI
33AQI
13th September 2025
33AQI
33AQI
14th September 2025
33AQI
33AQI
15th September 2025
29AQI
29AQI
16th September 2025
26AQI
26AQI
17th September 2025
22AQI
22AQI
18th September 2025
19AQI
19AQI
19th September 2025
22AQI
22AQI
20th September 2025
34AQI
34AQI
21st September 2025
33AQI
33AQI
22nd September 2025
28AQI
28AQI
23rd September 2025
26AQI
26AQI
24th September 2025
29AQI
29AQI
25th September 2025
26AQI
26AQI
26th September 2025
24AQI
24AQI
27th September 2025
19AQI
19AQI
28th September 2025
28AQI
28AQI
29th September 2025
43AQI
43AQI
30th September 2025
39AQI
39AQI
1st October 2025
47AQI
47AQI
2nd October 2025
54AQI
54AQI
3rd October 2025
53AQI
53AQI
4th October 2025
54AQI
54AQI
5th October 2025
55AQI
55AQI
6th October 2025
69AQI
69AQI
7th October 2025
53AQI
53AQI
8th October 2025
53AQI
53AQI
9th October 2025
58AQI
58AQI
10th October 2025
64AQI
64AQI
11th October 2025
50AQI
50AQI
12th October 2025
49AQI
49AQI
13th October 2025
54AQI
54AQI
14th October 2025
53AQI
53AQI
15th October 2025
65AQI
65AQI
16th October 2025
71AQI
71AQI
17th October 2025
73AQI
73AQI
18th October 2025
75AQI
75AQI
19th October 2025
47AQI
47AQI
20th October 2025
69AQI
69AQI
21st October 2025
81AQI
81AQI
22nd October 2025
83AQI
83AQI
23rd October 2025
91AQI
91AQI
24th October 2025
47AQI
47AQI
25th October 2025
41AQI
41AQI
26th October 2025
61AQI
61AQI
27th October 2025
43AQI
43AQI
28th October 2025
52AQI
52AQI
29th October 2025
58AQI
58AQI
30th October 2025
72AQI
72AQI
31st October 2025
54AQI
54AQI
1st November 2025
75AQI
75AQI
2nd November 2025
86AQI
86AQI
3rd November 2025
83AQI
83AQI
4th November 2025
40AQI
40AQI
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
46AQI
48AQI
32AQI
30AQI
31AQI
60AQI
71AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202541AQI
3
20
10
31
31
30
7
24
1
3
123
37
Highest AQI recorded in
November71AQI
Lowest AQI recorded in
August30AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
41AQILeast Polluted Year Recorded
2025(Avg.)
41AQICluj Napoca's annual 2025 AQI (41) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
