Strada Observatorului, Cluj Napoca, Cluj, 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
Strada Observatorului, Cluj Napoca, Cluj, Romania
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
13th Nov 2022
273AQILowest AQI recorded on
21st Nov 2022
21AQISame Day Analysis (24th November ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 62 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 24th Nov - 25th Nov 2025
Strada Observatorului, Cluj Napoca, Cluj, Romania
AQI
Day
Night
.
7 AM24th Nov 2025
5 PM
6 AM25th Nov 2025
Day time
Avg. Highest Time
12PM24th Nov
66AQI
Avg. Lowest Time
3PM24th Nov
52AQI
Night time
Avg. Highest Time
11PM24th Nov
85AQI
Avg. Lowest Time
6AM25th Nov
59AQI
In the last 24 hours,
Strada Observatorului's AQI reached its highest point of 85 at 11 PM during the Night, while the lowest point, 52, was recorded at 3 PM during the Day between 24th Nov and 25th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Strada Observatorului, Cluj Napoca, Cluj, Romania
OctNov
26th - 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 - 24th24th - 25th25th
Day
Night
26th Oct 2025597 AMAQI
26th Oct 2025618 AMAQI
26th Oct 2025629 AMAQI
26th Oct 20255910 AMAQI
26th Oct 20255811 AMAQI
26th Oct 20255712 PMAQI
26th Oct 2025561 PMAQI
26th Oct 2025552 PMAQI
26th Oct 2025563 PMAQI
26th Oct 2025584 PMAQI
26th Oct 2025595 PMAQI
26th Oct 2025656 PMAQI
26th Oct 2025667 PMAQI
26th Oct 2025678 PMAQI
26th Oct 2025589 PMAQI
26th Oct 20255510 PMAQI
26th Oct 20255311 PMAQI
27th Oct 20255112 AMAQI
27th Oct 2025451 AMAQI
27th Oct 2025402 AMAQI
27th Oct 2025403 AMAQI
27th Oct 2025364 AMAQI
27th Oct 2025305 AMAQI
27th Oct 2025296 AMAQI
9°C5/14°C
27th Oct 2025267 AMAQI
27th Oct 2025278 AMAQI
27th Oct 2025289 AMAQI
27th Oct 20253210 AMAQI
27th Oct 20253211 AMAQI
27th Oct 20253512 PMAQI
27th Oct 2025391 PMAQI
27th Oct 2025412 PMAQI
27th Oct 2025413 PMAQI
27th Oct 2025264 PMAQI
27th Oct 2025205 PMAQI
27th Oct 2025156 PMAQI
27th Oct 2025187 PMAQI
27th Oct 2025338 PMAQI
27th Oct 2025479 PMAQI
27th Oct 20254810 PMAQI
27th Oct 20255211 PMAQI
28th Oct 20255312 AMAQI
28th Oct 2025591 AMAQI
28th Oct 2025592 AMAQI
28th Oct 2025563 AMAQI
28th Oct 2025544 AMAQI
28th Oct 2025545 AMAQI
28th Oct 2025526 AMAQI
7°C5/11°C
28th Oct 2025537 AMAQI
28th Oct 2025558 AMAQI
28th Oct 2025559 AMAQI
28th Oct 20255310 AMAQI
28th Oct 20254511 AMAQI
28th Oct 20253812 PMAQI
28th Oct 2025361 PMAQI
28th Oct 2025442 PMAQI
28th Oct 2025403 PMAQI
28th Oct 2025374 PMAQI
28th Oct 2025235 PMAQI
28th Oct 2025376 PMAQI
28th Oct 2025347 PMAQI
28th Oct 2025378 PMAQI
28th Oct 2025489 PMAQI
28th Oct 20255510 PMAQI
28th Oct 20256111 PMAQI
29th Oct 20256412 AMAQI
29th Oct 2025651 AMAQI
29th Oct 2025702 AMAQI
29th Oct 2025793 AMAQI
29th Oct 2025824 AMAQI
29th Oct 2025825 AMAQI
29th Oct 2025776 AMAQI
7°C5/11°C
29th Oct 2025697 AMAQI
29th Oct 2025668 AMAQI
29th Oct 2025679 AMAQI
29th Oct 20256410 AMAQI
29th Oct 20256111 AMAQI
29th Oct 20256512 PMAQI
29th Oct 2025651 PMAQI
29th Oct 2025562 PMAQI
29th Oct 2025473 PMAQI
29th Oct 2025294 PMAQI
29th Oct 2025445 PMAQI
29th Oct 2025386 PMAQI
29th Oct 2025427 PMAQI
29th Oct 2025538 PMAQI
29th Oct 2025569 PMAQI
29th Oct 20256310 PMAQI
29th Oct 20257211 PMAQI
30th Oct 20257512 AMAQI
30th Oct 2025801 AMAQI
30th Oct 2025952 AMAQI
30th Oct 2025873 AMAQI
30th Oct 2025874 AMAQI
30th Oct 2025935 AMAQI
30th Oct 2025886 AMAQI
10°C5/17°C
30th Oct 2025897 AMAQI
30th Oct 2025908 AMAQI
30th Oct 2025889 AMAQI
30th Oct 20258810 AMAQI
30th Oct 20258411 AMAQI
30th Oct 20257412 PMAQI
30th Oct 2025691 PMAQI
30th Oct 2025632 PMAQI
30th Oct 2025523 PMAQI
30th Oct 2025424 PMAQI
30th Oct 2025475 PMAQI
30th Oct 2025536 PMAQI
30th Oct 2025527 PMAQI
30th Oct 2025498 PMAQI
30th Oct 2025489 PMAQI
30th Oct 20255310 PMAQI
30th Oct 20255311 PMAQI
31st Oct 20255412 AMAQI
31st Oct 2025571 AMAQI
31st Oct 2025632 AMAQI
31st Oct 2025603 AMAQI
31st Oct 2025504 AMAQI
31st Oct 2025325 AMAQI
31st Oct 2025306 AMAQI
10°C5/17°C
31st Oct 2025327 AMAQI
31st Oct 2025408 AMAQI
31st Oct 2025559 AMAQI
31st Oct 20255610 AMAQI
31st Oct 20255711 AMAQI
31st Oct 20255712 PMAQI
31st Oct 2025571 PMAQI
31st Oct 2025472 PMAQI
31st Oct 2025363 PMAQI
31st Oct 2025384 PMAQI
31st Oct 2025435 PMAQI
31st Oct 2025406 PMAQI
31st Oct 2025407 PMAQI
31st Oct 2025418 PMAQI
31st Oct 2025469 PMAQI
31st Oct 20255810 PMAQI
31st Oct 20256911 PMAQI
1st Nov 20257312 AMAQI
1st Nov 2025851 AMAQI
1st Nov 20251002 AMAQI
1st Nov 2025963 AMAQI
1st Nov 20251064 AMAQI
1st Nov 20251045 AMAQI
1st Nov 20251026 AMAQI
11°C9/15°C
1st Nov 2025967 AMAQI
1st Nov 2025948 AMAQI
1st Nov 2025929 AMAQI
1st Nov 20259610 AMAQI
1st Nov 20259811 AMAQI
1st Nov 20259812 PMAQI
1st Nov 2025781 PMAQI
1st Nov 2025622 PMAQI
1st Nov 2025583 PMAQI
1st Nov 2025564 PMAQI
1st Nov 2025585 PMAQI
1st Nov 2025596 PMAQI
1st Nov 2025587 PMAQI
1st Nov 2025578 PMAQI
1st Nov 2025749 PMAQI
1st Nov 20258310 PMAQI
1st Nov 20258811 PMAQI
2nd Nov 20259512 AMAQI
2nd Nov 20251041 AMAQI
2nd Nov 20251102 AMAQI
2nd Nov 20251123 AMAQI
2nd Nov 20251114 AMAQI
2nd Nov 20251025 AMAQI
2nd Nov 2025976 AMAQI
12°C8/18°C
2nd Nov 2025937 AMAQI
2nd Nov 2025918 AMAQI
2nd Nov 2025869 AMAQI
2nd Nov 20258510 AMAQI
2nd Nov 20258911 AMAQI
2nd Nov 20259112 PMAQI
2nd Nov 2025971 PMAQI
2nd Nov 2025932 PMAQI
2nd Nov 2025903 PMAQI
2nd Nov 2025814 PMAQI
2nd Nov 2025735 PMAQI
2nd Nov 2025746 PMAQI
2nd Nov 2025807 PMAQI
2nd Nov 2025838 PMAQI
2nd Nov 2025929 PMAQI
2nd Nov 20259810 PMAQI
2nd Nov 202510511 PMAQI
3rd Nov 202510612 AMAQI
3rd Nov 20251001 AMAQI
3rd Nov 2025972 AMAQI
3rd Nov 2025923 AMAQI
3rd Nov 2025834 AMAQI
3rd Nov 2025745 AMAQI
3rd Nov 2025796 AMAQI
12°C8/19°C
3rd Nov 2025897 AMAQI
3rd Nov 2025968 AMAQI
3rd Nov 20251049 AMAQI
3rd Nov 202511210 AMAQI
3rd Nov 202511311 AMAQI
3rd Nov 20259012 PMAQI
3rd Nov 2025811 PMAQI
3rd Nov 2025762 PMAQI
3rd Nov 2025683 PMAQI
3rd Nov 2025664 PMAQI
3rd Nov 2025735 PMAQI
3rd Nov 2025746 PMAQI
3rd Nov 2025787 PMAQI
3rd Nov 2025848 PMAQI
3rd Nov 2025819 PMAQI
3rd Nov 20257010 PMAQI
3rd Nov 20256511 PMAQI
4th Nov 20256112 AMAQI
4th Nov 2025551 AMAQI
4th Nov 2025362 AMAQI
4th Nov 2025233 AMAQI
4th Nov 2025224 AMAQI
4th Nov 2025225 AMAQI
4th Nov 2025206 AMAQI
12°C9/18°C
4th Nov 2025147 AMAQI
4th Nov 2025208 AMAQI
4th Nov 2025179 AMAQI
4th Nov 20251710 AMAQI
4th Nov 20251611 AMAQI
4th Nov 20251712 PMAQI
4th Nov 2025171 PMAQI
4th Nov 2025192 PMAQI
4th Nov 2025213 PMAQI
4th Nov 2025264 PMAQI
4th Nov 2025285 PMAQI
4th Nov 2025326 PMAQI
4th Nov 2025467 PMAQI
4th Nov 2025548 PMAQI
4th Nov 2025579 PMAQI
4th Nov 20256510 PMAQI
4th Nov 20256811 PMAQI
5th Nov 20256512 AMAQI
5th Nov 2025641 AMAQI
5th Nov 2025642 AMAQI
5th Nov 2025593 AMAQI
5th Nov 2025574 AMAQI
5th Nov 2025535 AMAQI
5th Nov 2025496 AMAQI
9°C7/12°C
5th Nov 2025477 AMAQI
5th Nov 2025448 AMAQI
5th Nov 2025459 AMAQI
5th Nov 20255210 AMAQI
5th Nov 20255211 AMAQI
5th Nov 20255512 PMAQI
5th Nov 2025551 PMAQI
5th Nov 2025512 PMAQI
5th Nov 2025413 PMAQI
5th Nov 2025344 PMAQI
5th Nov 2025435 PMAQI
5th Nov 2025526 PMAQI
5th Nov 2025637 PMAQI
5th Nov 2025668 PMAQI
5th Nov 2025689 PMAQI
5th Nov 20257110 PMAQI
5th Nov 20256411 PMAQI
6th Nov 20256212 AMAQI
6th Nov 2025671 AMAQI
6th Nov 2025642 AMAQI
6th Nov 2025663 AMAQI
6th Nov 2025694 AMAQI
6th Nov 2025665 AMAQI
6th Nov 2025616 AMAQI
7°C4/12°C
6th Nov 2025627 AMAQI
6th Nov 2025668 AMAQI
6th Nov 2025679 AMAQI
6th Nov 20257010 AMAQI
6th Nov 20257411 AMAQI
6th Nov 20257112 PMAQI
6th Nov 2025651 PMAQI
6th Nov 2025632 PMAQI
6th Nov 2025583 PMAQI
6th Nov 2025584 PMAQI
6th Nov 2025565 PMAQI
6th Nov 2025456 PMAQI
6th Nov 2025487 PMAQI
6th Nov 2025578 PMAQI
6th Nov 2025659 PMAQI
6th Nov 20257510 PMAQI
6th Nov 20258511 PMAQI
7th Nov 20259712 AMAQI
7th Nov 2025921 AMAQI
7th Nov 2025872 AMAQI
7th Nov 2025723 AMAQI
7th Nov 2025704 AMAQI
7th Nov 20251025 AMAQI
7th Nov 20251636 AMAQI
8°C6/12°C
7th Nov 20251357 AMAQI
7th Nov 2025838 AMAQI
7th Nov 2025889 AMAQI
7th Nov 20258910 AMAQI
7th Nov 20258511 AMAQI
7th Nov 20258612 PMAQI
7th Nov 2025811 PMAQI
7th Nov 2025542 PMAQI
7th Nov 2025443 PMAQI
7th Nov 2025444 PMAQI
7th Nov 2025545 PMAQI
7th Nov 2025566 PMAQI
7th Nov 2025587 PMAQI
7th Nov 2025688 PMAQI
7th Nov 2025709 PMAQI
7th Nov 20257310 PMAQI
7th Nov 20258811 PMAQI
8th Nov 20258612 AMAQI
8th Nov 2025811 AMAQI
8th Nov 2025692 AMAQI
8th Nov 2025583 AMAQI
8th Nov 2025614 AMAQI
8th Nov 2025665 AMAQI
8th Nov 2025636 AMAQI
9°C5/13°C
8th Nov 2025637 AMAQI
8th Nov 2025618 AMAQI
8th Nov 2025639 AMAQI
8th Nov 20256410 AMAQI
8th Nov 20256311 AMAQI
8th Nov 20256312 PMAQI
8th Nov 2025611 PMAQI
8th Nov 2025532 PMAQI
8th Nov 2025503 PMAQI
8th Nov 2025424 PMAQI
8th Nov 2025425 PMAQI
8th Nov 2025446 PMAQI
8th Nov 2025487 PMAQI
8th Nov 2025538 PMAQI
8th Nov 2025549 PMAQI
8th Nov 20255810 PMAQI
8th Nov 20256611 PMAQI
9th Nov 20256912 AMAQI
9th Nov 2025751 AMAQI
9th Nov 2025772 AMAQI
9th Nov 2025763 AMAQI
9th Nov 2025714 AMAQI
9th Nov 2025735 AMAQI
9th Nov 2025726 AMAQI
10°C7/13°C
9th Nov 2025767 AMAQI
9th Nov 2025778 AMAQI
9th Nov 2025769 AMAQI
9th Nov 20256810 AMAQI
9th Nov 20256511 AMAQI
9th Nov 20256112 PMAQI
9th Nov 2025511 PMAQI
9th Nov 2025532 PMAQI
9th Nov 2025533 PMAQI
9th Nov 2025534 PMAQI
9th Nov 2025535 PMAQI
9th Nov 2025576 PMAQI
9th Nov 2025607 PMAQI
9th Nov 2025618 PMAQI
9th Nov 2025639 PMAQI
9th Nov 20256610 PMAQI
9th Nov 20257011 PMAQI
10th Nov 20257212 AMAQI
10th Nov 2025751 AMAQI
10th Nov 2025842 AMAQI
10th Nov 2025843 AMAQI
10th Nov 2025834 AMAQI
10th Nov 2025825 AMAQI
10th Nov 2025816 AMAQI
10°C6/14°C
10th Nov 2025817 AMAQI
10th Nov 2025788 AMAQI
10th Nov 2025779 AMAQI
10th Nov 20257910 AMAQI
10th Nov 20258111 AMAQI
10th Nov 20257812 PMAQI
10th Nov 2025751 PMAQI
10th Nov 2025682 PMAQI
10th Nov 2025653 PMAQI
10th Nov 2025634 PMAQI
10th Nov 2025655 PMAQI
10th Nov 2025646 PMAQI
10th Nov 2025677 PMAQI
10th Nov 2025718 PMAQI
10th Nov 2025729 PMAQI
10th Nov 20257210 PMAQI
10th Nov 20257311 PMAQI
11th Nov 20257412 AMAQI
11th Nov 2025711 AMAQI
11th Nov 2025692 AMAQI
11th Nov 2025693 AMAQI
11th Nov 2025684 AMAQI
11th Nov 2025675 AMAQI
11th Nov 2025646 AMAQI
7°C6/8°C
11th Nov 2025657 AMAQI
11th Nov 2025618 AMAQI
11th Nov 2025589 AMAQI
11th Nov 20255310 AMAQI
11th Nov 20254511 AMAQI
11th Nov 20255312 PMAQI
11th Nov 2025611 PMAQI
11th Nov 2025652 PMAQI
11th Nov 2025663 PMAQI
11th Nov 2025654 PMAQI
11th Nov 2025675 PMAQI
11th Nov 2025676 PMAQI
11th Nov 2025747 PMAQI
11th Nov 2025788 PMAQI
11th Nov 2025799 PMAQI
11th Nov 20258210 PMAQI
11th Nov 20259011 PMAQI
12th Nov 20259312 AMAQI
12th Nov 2025931 AMAQI
12th Nov 2025912 AMAQI
12th Nov 2025923 AMAQI
12th Nov 2025924 AMAQI
12th Nov 2025795 AMAQI
12th Nov 2025726 AMAQI
8°C5/11°C
12th Nov 2025697 AMAQI
12th Nov 2025668 AMAQI
12th Nov 2025649 AMAQI
12th Nov 20257010 AMAQI
12th Nov 20257111 AMAQI
12th Nov 20257212 PMAQI
12th Nov 2025711 PMAQI
12th Nov 2025702 PMAQI
12th Nov 2025683 PMAQI
12th Nov 2025684 PMAQI
12th Nov 2025685 PMAQI
12th Nov 2025686 PMAQI
12th Nov 2025687 PMAQI
12th Nov 2025698 PMAQI
12th Nov 2025719 PMAQI
12th Nov 20257210 PMAQI
12th Nov 20257211 PMAQI
13th Nov 20257212 AMAQI
13th Nov 2025721 AMAQI
13th Nov 2025692 AMAQI
13th Nov 2025693 AMAQI
13th Nov 2025774 AMAQI
13th Nov 2025825 AMAQI
13th Nov 2025826 AMAQI
6°C3/10°C
13th Nov 2025837 AMAQI
13th Nov 2025848 AMAQI
13th Nov 2025849 AMAQI
13th Nov 20258310 AMAQI
13th Nov 20258511 AMAQI
13th Nov 20258712 PMAQI
13th Nov 2025891 PMAQI
13th Nov 2025852 PMAQI
13th Nov 2025693 PMAQI
13th Nov 2025654 PMAQI
13th Nov 2025715 PMAQI
13th Nov 2025726 PMAQI
13th Nov 2025777 PMAQI
13th Nov 2025808 PMAQI
13th Nov 2025829 PMAQI
13th Nov 20258610 PMAQI
13th Nov 20259711 PMAQI
14th Nov 20259612 AMAQI
14th Nov 2025901 AMAQI
14th Nov 20251022 AMAQI
14th Nov 20251183 AMAQI
14th Nov 20251174 AMAQI
14th Nov 20251095 AMAQI
14th Nov 2025936 AMAQI
5°C2/11°C
14th Nov 2025897 AMAQI
14th Nov 2025908 AMAQI
14th Nov 20251029 AMAQI
14th Nov 202511210 AMAQI
14th Nov 202510511 AMAQI
14th Nov 202511412 PMAQI
14th Nov 20251251 PMAQI
14th Nov 20251132 PMAQI
14th Nov 20251033 PMAQI
14th Nov 2025854 PMAQI
14th Nov 2025825 PMAQI
14th Nov 2025836 PMAQI
14th Nov 2025827 PMAQI
14th Nov 2025878 PMAQI
14th Nov 2025989 PMAQI
14th Nov 202510710 PMAQI
14th Nov 202511611 PMAQI
15th Nov 202513412 AMAQI
15th Nov 20251351 AMAQI
15th Nov 20251292 AMAQI
15th Nov 20251403 AMAQI
15th Nov 20251554 AMAQI
15th Nov 20251535 AMAQI
15th Nov 20251486 AMAQI
6°C2/12°C
15th Nov 20251277 AMAQI
15th Nov 20251208 AMAQI
15th Nov 20251159 AMAQI
15th Nov 202511810 AMAQI
15th Nov 202511711 AMAQI
15th Nov 202511412 PMAQI
15th Nov 20251151 PMAQI
15th Nov 20251172 PMAQI
15th Nov 20251193 PMAQI
15th Nov 20251334 PMAQI
15th Nov 20251405 PMAQI
15th Nov 20251426 PMAQI
15th Nov 20251447 PMAQI
15th Nov 20251458 PMAQI
15th Nov 20251519 PMAQI
15th Nov 202515510 PMAQI
15th Nov 202515411 PMAQI
16th Nov 202515312 AMAQI
16th Nov 20251511 AMAQI
16th Nov 20251452 AMAQI
16th Nov 20251373 AMAQI
16th Nov 20251234 AMAQI
16th Nov 20251165 AMAQI
16th Nov 20251086 AMAQI
7°C3/13°C
16th Nov 20251037 AMAQI
16th Nov 20251078 AMAQI
16th Nov 20251179 AMAQI
16th Nov 202511110 AMAQI
16th Nov 202510511 AMAQI
16th Nov 202512012 PMAQI
16th Nov 20251181 PMAQI
16th Nov 20251182 PMAQI
16th Nov 20251193 PMAQI
16th Nov 20251304 PMAQI
16th Nov 20251465 PMAQI
16th Nov 20251456 PMAQI
16th Nov 20251397 PMAQI
16th Nov 20251358 PMAQI
16th Nov 20251289 PMAQI
16th Nov 202514010 PMAQI
16th Nov 202514211 PMAQI
17th Nov 202512112 AMAQI
17th Nov 20251131 AMAQI
17th Nov 20251082 AMAQI
17th Nov 20251133 AMAQI
17th Nov 20251064 AMAQI
17th Nov 2025955 AMAQI
17th Nov 2025856 AMAQI
8°C5/13°C
17th Nov 2025827 AMAQI
17th Nov 2025878 AMAQI
17th Nov 20251019 AMAQI
17th Nov 202510010 AMAQI
17th Nov 20259411 AMAQI
17th Nov 20259812 PMAQI
17th Nov 2025971 PMAQI
17th Nov 2025882 PMAQI
17th Nov 2025903 PMAQI
17th Nov 2025854 PMAQI
17th Nov 2025825 PMAQI
17th Nov 2025756 PMAQI
17th Nov 2025727 PMAQI
17th Nov 2025698 PMAQI
17th Nov 2025489 PMAQI
17th Nov 20253510 PMAQI
17th Nov 20252711 PMAQI
18th Nov 20254612 AMAQI
18th Nov 2025581 AMAQI
18th Nov 2025552 AMAQI
18th Nov 2025563 AMAQI
18th Nov 2025544 AMAQI
18th Nov 2025375 AMAQI
18th Nov 2025316 AMAQI
11°C8/16°C
18th Nov 2025237 AMAQI
18th Nov 2025248 AMAQI
18th Nov 2025279 AMAQI
18th Nov 20253510 AMAQI
18th Nov 20253311 AMAQI
18th Nov 20252912 PMAQI
18th Nov 2025231 PMAQI
18th Nov 2025232 PMAQI
18th Nov 2025283 PMAQI
18th Nov 2025284 PMAQI
18th Nov 2025305 PMAQI
18th Nov 2025336 PMAQI
18th Nov 2025447 PMAQI
18th Nov 2025538 PMAQI
18th Nov 2025659 PMAQI
18th Nov 20257810 PMAQI
18th Nov 20258011 PMAQI
19th Nov 20257512 AMAQI
19th Nov 2025751 AMAQI
19th Nov 2025682 AMAQI
19th Nov 2025593 AMAQI
19th Nov 2025614 AMAQI
19th Nov 2025645 AMAQI
19th Nov 2025636 AMAQI
6°C3/7°C
19th Nov 2025627 AMAQI
19th Nov 2025708 AMAQI
19th Nov 2025739 AMAQI
19th Nov 20258210 AMAQI
19th Nov 20259011 AMAQI
19th Nov 20257012 PMAQI
19th Nov 2025601 PMAQI
19th Nov 2025552 PMAQI
19th Nov 2025523 PMAQI
19th Nov 2025524 PMAQI
19th Nov 2025565 PMAQI
19th Nov 2025586 PMAQI
19th Nov 2025617 PMAQI
19th Nov 2025648 PMAQI
19th Nov 2025669 PMAQI
19th Nov 20256610 PMAQI
19th Nov 20256511 PMAQI
20th Nov 20256912 AMAQI
20th Nov 2025721 AMAQI
20th Nov 2025782 AMAQI
20th Nov 2025763 AMAQI
20th Nov 2025794 AMAQI
20th Nov 2025835 AMAQI
20th Nov 2025836 AMAQI
4°C2/5°C
20th Nov 2025817 AMAQI
20th Nov 2025858 AMAQI
20th Nov 2025889 AMAQI
20th Nov 20258710 AMAQI
20th Nov 20258211 AMAQI
20th Nov 20257312 PMAQI
20th Nov 2025761 PMAQI
20th Nov 2025692 PMAQI
20th Nov 2025693 PMAQI
20th Nov 2025674 PMAQI
20th Nov 2025645 PMAQI
20th Nov 2025656 PMAQI
20th Nov 2025687 PMAQI
20th Nov 2025688 PMAQI
20th Nov 2025729 PMAQI
20th Nov 20257810 PMAQI
20th Nov 20259211 PMAQI
21st Nov 20258812 AMAQI
21st Nov 2025891 AMAQI
21st Nov 2025912 AMAQI
21st Nov 2025943 AMAQI
21st Nov 2025954 AMAQI
21st Nov 2025965 AMAQI
21st Nov 2025946 AMAQI
7°C3/11°C
21st Nov 20251017 AMAQI
21st Nov 20251098 AMAQI
21st Nov 20251009 AMAQI
21st Nov 20259610 AMAQI
21st Nov 20259111 AMAQI
21st Nov 20258912 PMAQI
21st Nov 20251021 PMAQI
21st Nov 2025822 PMAQI
21st Nov 2025753 PMAQI
21st Nov 2025744 PMAQI
21st Nov 2025575 PMAQI
21st Nov 2025596 PMAQI
21st Nov 2025757 PMAQI
21st Nov 2025808 PMAQI
21st Nov 2025849 PMAQI
21st Nov 20258810 PMAQI
21st Nov 20259111 PMAQI
22nd Nov 20258612 AMAQI
22nd Nov 2025911 AMAQI
22nd Nov 2025952 AMAQI
22nd Nov 2025983 AMAQI
22nd Nov 2025994 AMAQI
22nd Nov 2025905 AMAQI
22nd Nov 2025776 AMAQI
8°C5/13°C
22nd Nov 2025727 AMAQI
22nd Nov 2025618 AMAQI
22nd Nov 2025539 AMAQI
22nd Nov 20255410 AMAQI
22nd Nov 20255311 AMAQI
22nd Nov 20255112 PMAQI
22nd Nov 2025551 PMAQI
22nd Nov 2025572 PMAQI
22nd Nov 2025573 PMAQI
22nd Nov 2025564 PMAQI
22nd Nov 2025565 PMAQI
22nd Nov 2025606 PMAQI
22nd Nov 2025637 PMAQI
22nd Nov 2025648 PMAQI
22nd Nov 2025699 PMAQI
22nd Nov 20257110 PMAQI
22nd Nov 20257011 PMAQI
23rd Nov 20256512 AMAQI
23rd Nov 2025611 AMAQI
23rd Nov 2025522 AMAQI
23rd Nov 2025523 AMAQI
23rd Nov 2025534 AMAQI
23rd Nov 2025535 AMAQI
23rd Nov 2025536 AMAQI
6°C4/7°C
23rd Nov 2025457 AMAQI
23rd Nov 2025418 AMAQI
23rd Nov 2025419 AMAQI
23rd Nov 20254410 AMAQI
23rd Nov 20254311 AMAQI
23rd Nov 20255112 PMAQI
23rd Nov 2025541 PMAQI
23rd Nov 2025542 PMAQI
23rd Nov 2025553 PMAQI
23rd Nov 2025554 PMAQI
23rd Nov 2025605 PMAQI
23rd Nov 2025626 PMAQI
23rd Nov 2025647 PMAQI
23rd Nov 2025668 PMAQI
23rd Nov 2025679 PMAQI
23rd Nov 20256810 PMAQI
23rd Nov 20256911 PMAQI
24th Nov 20256812 AMAQI
24th Nov 2025681 AMAQI
24th Nov 2025652 AMAQI
24th Nov 2025553 AMAQI
24th Nov 2025544 AMAQI
24th Nov 2025555 AMAQI
24th Nov 2025546 AMAQI
3°C1/5°C
24th Nov 2025537 AMAQI
24th Nov 2025538 AMAQI
24th Nov 2025559 AMAQI
24th Nov 20255610 AMAQI
24th Nov 20256111 AMAQI
24th Nov 20256612 PMAQI
24th Nov 2025621 PMAQI
24th Nov 2025532 PMAQI
24th Nov 2025523 PMAQI
24th Nov 2025544 PMAQI
24th Nov 2025615 PMAQI
24th Nov 2025616 PMAQI
24th Nov 2025617 PMAQI
24th Nov 2025618 PMAQI
24th Nov 2025689 PMAQI
24th Nov 20257610 PMAQI
24th Nov 20258511 PMAQI
25th Nov 20257712 AMAQI
25th Nov 2025741 AMAQI
25th Nov 2025722 AMAQI
25th Nov 2025633 AMAQI
25th Nov 2025624 AMAQI
25th Nov 2025615 AMAQI
25th Nov 2025596 AMAQI
0°C-2/4°C
25th Nov 2025577 AMAQI
7 AM25th Nov 2025588 AMAQI
25th Nov 2025589 AMAQI
25th Nov 20255910 AMAQI
25th Nov 20256011 AMAQI
25th Nov 20256012 PMAQI
12 PM25th Nov 2025621 PMAQI
25th Nov 2025662 PMAQI
25th Nov 2025663 PMAQI
25th Nov 2025584 PMAQI
25th Nov 2025565 PMAQI
5 PM25th Nov 2025576 PMAQI
12 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
7 AM - 1 PM
71AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
4 PM
59AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 1 PM (Avg. 71), while the lowest AQI was between 4 PM to 4 PM (Avg. 59).
Night time
Avg. Highest Time
12 AM - 6 AM
78AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
6 PM
62AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 6 AM (Avg. 78), while the lowest AQI was between 6 PM to 6 PM (Avg. 62).
2025 Days Vs Air Quality
Strada Observatorului, Cluj Napoca, Cluj, Romania
2025
58%
190
41%
136
0.6%
2
Total number of days with different AQI categories in last 329 days in 2025 (36 days remaining)
Good
190 DaysModerate
136 DaysPoor
2 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 58%
Health Risk Level:
Considerable
In 2025, 58% of 329 days were within WHO’s safe air quality limits, and 42% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Strada Observatorului, Cluj Napoca, Cluj, 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
62AQI
62AQI
2nd January 2025
66AQI
66AQI
3rd January 2025
62AQI
62AQI
4th January 2025
60AQI
60AQI
5th January 2025
60AQI
60AQI
6th January 2025
57AQI
57AQI
7th January 2025
57AQI
57AQI
8th January 2025
58AQI
58AQI
9th January 2025
57AQI
57AQI
10th January 2025
56AQI
56AQI
11th January 2025
54AQI
54AQI
12th January 2025
52AQI
52AQI
13th January 2025
52AQI
52AQI
14th January 2025
55AQI
55AQI
15th January 2025
56AQI
56AQI
16th January 2025
57AQI
57AQI
17th January 2025
57AQI
57AQI
18th January 2025
59AQI
59AQI
19th January 2025
60AQI
60AQI
20th January 2025
60AQI
60AQI
21st January 2025
61AQI
61AQI
22nd January 2025
61AQI
61AQI
23rd January 2025
61AQI
61AQI
24th January 2025
61AQI
61AQI
25th January 2025
61AQI
61AQI
26th January 2025
62AQI
62AQI
27th January 2025
60AQI
60AQI
28th January 2025
60AQI
60AQI
29th January 2025
59AQI
59AQI
30th January 2025
59AQI
59AQI
31st January 2025
59AQI
59AQI
1st February 2025
59AQI
59AQI
2nd February 2025
60AQI
60AQI
3rd February 2025
59AQI
59AQI
4th February 2025
60AQI
60AQI
5th February 2025
61AQI
61AQI
6th February 2025
60AQI
60AQI
7th February 2025
60AQI
60AQI
8th February 2025
61AQI
61AQI
9th February 2025
61AQI
61AQI
10th February 2025
61AQI
61AQI
11th February 2025
61AQI
61AQI
12th February 2025
61AQI
61AQI
13th February 2025
61AQI
61AQI
14th February 2025
62AQI
62AQI
15th February 2025
62AQI
62AQI
16th February 2025
62AQI
62AQI
17th February 2025
63AQI
63AQI
18th February 2025
64AQI
64AQI
19th February 2025
63AQI
63AQI
20th February 2025
62AQI
62AQI
21st February 2025
61AQI
61AQI
22nd February 2025
61AQI
61AQI
23rd February 2025
61AQI
61AQI
24th February 2025
60AQI
60AQI
25th February 2025
60AQI
60AQI
26th February 2025
61AQI
61AQI
27th February 2025
60AQI
60AQI
28th February 2025
61AQI
61AQI
1st March 2025
61AQI
61AQI
2nd March 2025
61AQI
61AQI
3rd March 2025
60AQI
60AQI
4th March 2025
58AQI
58AQI
5th March 2025
58AQI
58AQI
6th March 2025
58AQI
58AQI
7th March 2025
57AQI
57AQI
8th March 2025
57AQI
57AQI
9th March 2025
57AQI
57AQI
10th March 2025
58AQI
58AQI
11th March 2025
58AQI
58AQI
12th March 2025
56AQI
56AQI
13th March 2025
56AQI
56AQI
14th March 2025
55AQI
55AQI
15th March 2025
54AQI
54AQI
16th March 2025
52AQI
52AQI
17th March 2025
51AQI
51AQI
18th March 2025
48AQI
48AQI
19th March 2025
49AQI
49AQI
20th March 2025
50AQI
50AQI
21st March 2025
50AQI
50AQI
22nd March 2025
51AQI
51AQI
23rd March 2025
53AQI
53AQI
24th March 2025
54AQI
54AQI
25th March 2025
54AQI
54AQI
26th March 2025
53AQI
53AQI
27th March 2025
53AQI
53AQI
28th March 2025
52AQI
52AQI
29th March 2025
52AQI
52AQI
30th March 2025
52AQI
52AQI
31st March 2025
51AQI
51AQI
1st April 2025
51AQI
51AQI
2nd April 2025
50AQI
50AQI
3rd April 2025
50AQI
50AQI
4th April 2025
48AQI
48AQI
5th April 2025
48AQI
48AQI
6th April 2025
45AQI
45AQI
7th April 2025
44AQI
44AQI
8th April 2025
43AQI
43AQI
9th April 2025
42AQI
42AQI
10th April 2025
41AQI
41AQI
11th April 2025
41AQI
41AQI
12th April 2025
40AQI
40AQI
13th April 2025
40AQI
40AQI
14th April 2025
37AQI
37AQI
15th April 2025
37AQI
37AQI
16th April 2025
35AQI
35AQI
17th April 2025
36AQI
36AQI
18th April 2025
36AQI
36AQI
19th April 2025
34AQI
34AQI
20th April 2025
41AQI
41AQI
21st April 2025
31AQI
31AQI
22nd April 2025
30AQI
30AQI
23rd April 2025
29AQI
29AQI
24th April 2025
29AQI
29AQI
25th April 2025
29AQI
29AQI
26th April 2025
29AQI
29AQI
27th April 2025
28AQI
28AQI
28th April 2025
29AQI
29AQI
29th April 2025
30AQI
30AQI
30th April 2025
29AQI
29AQI
1st May 2025
31AQI
31AQI
2nd May 2025
34AQI
34AQI
3rd May 2025
41AQI
41AQI
4th May 2025
43AQI
43AQI
5th May 2025
43AQI
43AQI
6th May 2025
42AQI
42AQI
7th May 2025
47AQI
47AQI
8th May 2025
41AQI
41AQI
9th May 2025
43AQI
43AQI
10th May 2025
38AQI
38AQI
11th May 2025
31AQI
31AQI
12th May 2025
42AQI
42AQI
13th May 2025
40AQI
40AQI
14th May 2025
38AQI
38AQI
15th May 2025
40AQI
40AQI
16th May 2025
29AQI
29AQI
17th May 2025
32AQI
32AQI
18th May 2025
27AQI
27AQI
19th May 2025
29AQI
29AQI
20th May 2025
33AQI
33AQI
21st May 2025
35AQI
35AQI
22nd May 2025
43AQI
43AQI
23rd May 2025
44AQI
44AQI
24th May 2025
31AQI
31AQI
25th May 2025
33AQI
33AQI
26th May 2025
26AQI
26AQI
27th May 2025
36AQI
36AQI
28th May 2025
30AQI
30AQI
29th May 2025
37AQI
37AQI
30th May 2025
29AQI
29AQI
31st May 2025
33AQI
33AQI
1st June 2025
34AQI
34AQI
2nd June 2025
37AQI
37AQI
3rd June 2025
41AQI
41AQI
4th June 2025
39AQI
39AQI
5th June 2025
48AQI
48AQI
6th June 2025
56AQI
56AQI
7th June 2025
57AQI
57AQI
8th June 2025
57AQI
57AQI
9th June 2025
49AQI
49AQI
10th June 2025
52AQI
52AQI
11th June 2025
60AQI
60AQI
12th June 2025
48AQI
48AQI
13th June 2025
42AQI
42AQI
14th June 2025
37AQI
37AQI
15th June 2025
39AQI
39AQI
16th June 2025
39AQI
39AQI
17th June 2025
44AQI
44AQI
18th June 2025
45AQI
45AQI
19th June 2025
50AQI
50AQI
20th June 2025
47AQI
47AQI
21st June 2025
38AQI
38AQI
22nd June 2025
40AQI
40AQI
23rd June 2025
37AQI
37AQI
24th June 2025
40AQI
40AQI
25th June 2025
39AQI
39AQI
26th June 2025
37AQI
37AQI
27th June 2025
38AQI
38AQI
28th June 2025
36AQI
36AQI
29th June 2025
32AQI
32AQI
30th June 2025
32AQI
32AQI
1st July 2025
29AQI
29AQI
2nd July 2025
26AQI
26AQI
3rd July 2025
26AQI
26AQI
4th July 2025
28AQI
28AQI
5th July 2025
33AQI
33AQI
6th July 2025
30AQI
30AQI
7th July 2025
37AQI
37AQI
8th July 2025
42AQI
42AQI
9th July 2025
35AQI
35AQI
10th July 2025
27AQI
27AQI
11th July 2025
27AQI
27AQI
12th July 2025
27AQI
27AQI
13th July 2025
28AQI
28AQI
14th July 2025
36AQI
36AQI
15th July 2025
41AQI
41AQI
16th July 2025
42AQI
42AQI
17th July 2025
38AQI
38AQI
18th July 2025
26AQI
26AQI
19th July 2025
24AQI
24AQI
20th July 2025
23AQI
23AQI
21st July 2025
38AQI
38AQI
22nd July 2025
38AQI
38AQI
23rd July 2025
27AQI
27AQI
24th July 2025
22AQI
22AQI
25th July 2025
32AQI
32AQI
26th July 2025
35AQI
35AQI
27th July 2025
33AQI
33AQI
28th July 2025
26AQI
26AQI
29th July 2025
22AQI
22AQI
30th July 2025
23AQI
23AQI
31st July 2025
26AQI
26AQI
1st August 2025
24AQI
24AQI
2nd August 2025
27AQI
27AQI
3rd August 2025
28AQI
28AQI
4th August 2025
27AQI
27AQI
5th August 2025
28AQI
28AQI
6th August 2025
28AQI
28AQI
7th August 2025
27AQI
27AQI
8th August 2025
28AQI
28AQI
9th August 2025
29AQI
29AQI
10th August 2025
28AQI
28AQI
11th August 2025
31AQI
31AQI
12th August 2025
32AQI
32AQI
13th August 2025
32AQI
32AQI
14th August 2025
32AQI
32AQI
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
32AQI
32AQI
24th August 2025
31AQI
31AQI
25th August 2025
29AQI
29AQI
26th August 2025
28AQI
28AQI
27th August 2025
30AQI
30AQI
28th August 2025
31AQI
31AQI
29th August 2025
29AQI
29AQI
30th August 2025
31AQI
31AQI
31st August 2025
31AQI
31AQI
1st September 2025
32AQI
32AQI
2nd September 2025
32AQI
32AQI
3rd September 2025
33AQI
33AQI
4th September 2025
44AQI
44AQI
5th September 2025
34AQI
34AQI
6th September 2025
33AQI
33AQI
7th September 2025
33AQI
33AQI
8th September 2025
35AQI
35AQI
9th September 2025
34AQI
34AQI
10th September 2025
36AQI
36AQI
11th September 2025
35AQI
35AQI
12th September 2025
33AQI
33AQI
13th September 2025
34AQI
34AQI
14th September 2025
34AQI
34AQI
15th September 2025
30AQI
30AQI
16th September 2025
27AQI
27AQI
17th September 2025
23AQI
23AQI
18th September 2025
17AQI
17AQI
19th September 2025
24AQI
24AQI
20th September 2025
42AQI
42AQI
21st September 2025
41AQI
41AQI
22nd September 2025
32AQI
32AQI
23rd September 2025
29AQI
29AQI
24th September 2025
34AQI
34AQI
25th September 2025
33AQI
33AQI
26th September 2025
31AQI
31AQI
27th September 2025
21AQI
21AQI
28th September 2025
44AQI
44AQI
29th September 2025
45AQI
45AQI
30th September 2025
33AQI
33AQI
1st October 2025
49AQI
49AQI
2nd October 2025
58AQI
58AQI
3rd October 2025
56AQI
56AQI
4th October 2025
56AQI
56AQI
5th October 2025
59AQI
59AQI
6th October 2025
73AQI
73AQI
7th October 2025
57AQI
57AQI
8th October 2025
58AQI
58AQI
9th October 2025
60AQI
60AQI
10th October 2025
67AQI
67AQI
11th October 2025
54AQI
54AQI
12th October 2025
54AQI
54AQI
13th October 2025
59AQI
59AQI
14th October 2025
55AQI
55AQI
15th October 2025
69AQI
69AQI
16th October 2025
77AQI
77AQI
17th October 2025
81AQI
81AQI
18th October 2025
76AQI
76AQI
19th October 2025
50AQI
50AQI
20th October 2025
71AQI
71AQI
21st October 2025
89AQI
89AQI
22nd October 2025
91AQI
91AQI
23rd October 2025
97AQI
97AQI
24th October 2025
47AQI
47AQI
25th October 2025
34AQI
34AQI
26th October 2025
62AQI
62AQI
27th October 2025
38AQI
38AQI
28th October 2025
49AQI
49AQI
29th October 2025
62AQI
62AQI
30th October 2025
71AQI
71AQI
31st October 2025
49AQI
49AQI
1st November 2025
80AQI
80AQI
2nd November 2025
93AQI
93AQI
3rd November 2025
88AQI
88AQI
4th November 2025
39AQI
39AQI
5th November 2025
58AQI
58AQI
6th November 2025
63AQI
63AQI
7th November 2025
84AQI
84AQI
8th November 2025
65AQI
65AQI
9th November 2025
66AQI
66AQI
10th November 2025
74AQI
74AQI
11th November 2025
70AQI
70AQI
12th November 2025
78AQI
78AQI
13th November 2025
78AQI
78AQI
14th November 2025
100AQI
100AQI
15th November 2025
136AQI
136AQI
16th November 2025
133AQI
133AQI
17th November 2025
91AQI
91AQI
18th November 2025
43AQI
43AQI
19th November 2025
66AQI
66AQI
20th November 2025
75AQI
75AQI
21st November 2025
87AQI
87AQI
22nd November 2025
73AQI
73AQI
23rd November 2025
58AQI
58AQI
24th November 2025
62AQI
62AQI
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
59AQI
61AQI
54AQI
38AQI
36AQI
43AQI
31AQI
30AQI
33AQI
62AQI
78AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202547AQI
31
28
4
27
29
1
31
25
5
31
31
30
7
24
2
20
2
190
136
2
Highest AQI recorded in
November78AQI
Lowest AQI recorded in
August30AQI
202452AQI
3
13
7
8
16
5
12
18
1
28
2
31
28
2
20
11
28
3
3
9
1
2
25
3
31
166
127
17
Highest AQI recorded in
January78AQI
Lowest AQI recorded in
September27AQI
202367AQI
3
5
9
2
5
12
2
Highest AQI recorded in
December67AQI
Lowest AQI recorded in
November67AQI
202282AQI
1
3
9
14
4
1
1
4
1
10
21
4
2
1
Highest AQI recorded in
December95AQI
Lowest AQI recorded in
October63AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2022(Avg.)
82AQILeast Polluted Year Recorded
2025(Avg.)
47AQIStrada Observatorului's annual 2025 AQI (47) shows an average percentage change of -27.2% (improved AQI) compared to previous years: 2022 (82), 2023 (67), 2024 (52).
