Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Buna Ziua, 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+

August Air Quality Analysis

Buna Ziua, Cluj Napoca, Cluj County, Romania

2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
7th Aug 2026
63AQI
Lowest AQI recorded on
1st Aug 2025
25AQI

Same Day Analysis (14th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 2nd highest AQI at 33 of Good air quality, showing improvement over 2025 on the same day.

Day & Night AQI Trend: 13th Aug - 14th Aug 2026

Buna Ziua, Cluj Napoca, Cluj County, Romania

AQI
Day
Night
.

6 AM13th Aug 2026

9 PM

5 AM14th Aug 2026

Day time
Avg. Highest Time
9AM13th Aug

62AQI

Avg. Lowest Time
8PM13th Aug

31AQI

Night time
Avg. Highest Time
10PM13th Aug

60AQI

Avg. Lowest Time
4AM14th Aug

25AQI

In the last 24 hours,

Buna Ziua's AQI reached its highest point of 62 at 9 AM during the Day, while the lowest point, 25, was recorded at 4 AM during the Night between 13th Aug and 14th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Buna Ziua, Cluj Napoca, Cluj County, Romania

JulAug
16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th
Day
Night
16th Jul 2026366 AMAQI
16th Jul 2026347 AMAQI
16th Jul 2026368 AMAQI
16th Jul 2026319 AMAQI
16th Jul 20264210 AMAQI
16th Jul 20264411 AMAQI
16th Jul 20264612 PMAQI
16th Jul 2026481 PMAQI
16th Jul 2026192 PMAQI
16th Jul 2026273 PMAQI
16th Jul 2026254 PMAQI
16th Jul 2026275 PMAQI
16th Jul 2026256 PMAQI
16th Jul 2026297 PMAQI
16th Jul 2026278 PMAQI
16th Jul 2026179 PMAQI
16th Jul 20261710 PMAQI
16th Jul 20263611 PMAQI
17th Jul 20262312 AMAQI
17th Jul 2026291 AMAQI
17th Jul 2026332 AMAQI
17th Jul 2026443 AMAQI
17th Jul 2026364 AMAQI
17th Jul 2026515 AMAQI

22°C15/29°C

17th Jul 2026486 AMAQI
17th Jul 2026567 AMAQI
17th Jul 2026608 AMAQI
17th Jul 2026569 AMAQI
17th Jul 20265510 AMAQI
17th Jul 20265611 AMAQI
17th Jul 20265412 PMAQI
17th Jul 2026461 PMAQI
17th Jul 2026462 PMAQI
17th Jul 2026423 PMAQI
17th Jul 2026254 PMAQI
17th Jul 2026335 PMAQI
17th Jul 2026316 PMAQI
17th Jul 2026257 PMAQI
17th Jul 2026328 PMAQI
17th Jul 2026299 PMAQI
17th Jul 20266210 PMAQI
17th Jul 20265511 PMAQI
18th Jul 20266212 AMAQI
18th Jul 2026631 AMAQI
18th Jul 2026632 AMAQI
18th Jul 2026533 AMAQI
18th Jul 2026514 AMAQI
18th Jul 2026525 AMAQI

23°C16/30°C

18th Jul 2026506 AMAQI
18th Jul 2026557 AMAQI
18th Jul 2026548 AMAQI
18th Jul 2026599 AMAQI
18th Jul 20265510 AMAQI
18th Jul 20265611 AMAQI
18th Jul 20265212 PMAQI
18th Jul 2026511 PMAQI
18th Jul 2026522 PMAQI
18th Jul 2026483 PMAQI
18th Jul 2026514 PMAQI
18th Jul 2026405 PMAQI
18th Jul 2026446 PMAQI
18th Jul 2026447 PMAQI
18th Jul 2026518 PMAQI
18th Jul 2026589 PMAQI
18th Jul 20265910 PMAQI
18th Jul 20265911 PMAQI
19th Jul 20265612 AMAQI
19th Jul 2026571 AMAQI
19th Jul 2026582 AMAQI
19th Jul 2026593 AMAQI
19th Jul 2026594 AMAQI
19th Jul 2026605 AMAQI

23°C17/30°C

19th Jul 2026606 AMAQI
19th Jul 2026587 AMAQI
19th Jul 2026568 AMAQI
19th Jul 2026539 AMAQI
19th Jul 20264810 AMAQI
19th Jul 20264711 AMAQI
19th Jul 20265412 PMAQI
19th Jul 2026481 PMAQI
19th Jul 2026422 PMAQI
19th Jul 2026333 PMAQI
19th Jul 2026294 PMAQI
19th Jul 2026255 PMAQI
19th Jul 2026276 PMAQI
19th Jul 2026257 PMAQI
19th Jul 2026258 PMAQI
19th Jul 2026429 PMAQI
19th Jul 20264010 PMAQI
19th Jul 20264811 PMAQI
20th Jul 20264412 AMAQI
20th Jul 2026401 AMAQI
20th Jul 2026402 AMAQI
20th Jul 2026483 AMAQI
20th Jul 2026404 AMAQI
20th Jul 2026425 AMAQI

24°C18/31°C

20th Jul 2026496 AMAQI
20th Jul 2026517 AMAQI
20th Jul 2026558 AMAQI
20th Jul 2026679 AMAQI
20th Jul 20265310 AMAQI
20th Jul 20265711 AMAQI
20th Jul 20264012 PMAQI
20th Jul 2026381 PMAQI
20th Jul 2026362 PMAQI
20th Jul 2026313 PMAQI
20th Jul 2026274 PMAQI
20th Jul 2026235 PMAQI
20th Jul 2026256 PMAQI
20th Jul 2026217 PMAQI
20th Jul 2026218 PMAQI
20th Jul 2026409 PMAQI
20th Jul 20262310 PMAQI
20th Jul 20263111 PMAQI
21st Jul 20262312 AMAQI
21st Jul 2026211 AMAQI
21st Jul 2026232 AMAQI
21st Jul 2026273 AMAQI
21st Jul 2026294 AMAQI
21st Jul 2026385 AMAQI

22°C16/29°C

21st Jul 2026367 AMAQI
21st Jul 2026368 AMAQI
21st Jul 2026389 AMAQI
21st Jul 20262910 AMAQI
21st Jul 20262911 AMAQI
21st Jul 20262912 PMAQI
21st Jul 2026381 PMAQI
21st Jul 2026332 PMAQI
21st Jul 2026313 PMAQI
21st Jul 2026274 PMAQI
21st Jul 2026255 PMAQI
21st Jul 2026256 PMAQI
21st Jul 2026217 PMAQI
21st Jul 2026258 PMAQI
21st Jul 2026319 PMAQI
21st Jul 20262910 PMAQI
21st Jul 20263611 PMAQI
22nd Jul 20264012 AMAQI
22nd Jul 2026231 AMAQI
22nd Jul 2026252 AMAQI
22nd Jul 2026333 AMAQI
22nd Jul 2026294 AMAQI
22nd Jul 2026215 AMAQI

21°C14/28°C

22nd Jul 2026366 AMAQI
22nd Jul 2026307 AMAQI
22nd Jul 2026278 AMAQI
22nd Jul 2026239 AMAQI
22nd Jul 20262110 AMAQI
22nd Jul 20262611 AMAQI
22nd Jul 20262512 PMAQI
22nd Jul 2026311 PMAQI
22nd Jul 2026342 PMAQI
22nd Jul 2026213 PMAQI
22nd Jul 2026214 PMAQI
22nd Jul 2026215 PMAQI
22nd Jul 2026406 PMAQI
22nd Jul 2026447 PMAQI
22nd Jul 2026218 PMAQI
22nd Jul 2026259 PMAQI
22nd Jul 20263110 PMAQI
22nd Jul 20263111 PMAQI
23rd Jul 20262512 AMAQI
23rd Jul 2026211 AMAQI
23rd Jul 2026292 AMAQI
23rd Jul 2026293 AMAQI
23rd Jul 2026294 AMAQI
23rd Jul 2026295 AMAQI

17°C13/23°C

23rd Jul 2026296 AMAQI
23rd Jul 2026297 AMAQI
23rd Jul 2026278 AMAQI
23rd Jul 2026299 AMAQI
23rd Jul 20262910 AMAQI
23rd Jul 20264011 AMAQI
23rd Jul 20262912 PMAQI
23rd Jul 2026271 PMAQI
23rd Jul 2026272 PMAQI
23rd Jul 2026293 PMAQI
23rd Jul 2026294 PMAQI
23rd Jul 2026665 PMAQI
23rd Jul 2026296 PMAQI
23rd Jul 2026297 PMAQI
23rd Jul 2026278 PMAQI
23rd Jul 2026349 PMAQI
23rd Jul 20262110 PMAQI
23rd Jul 20264211 PMAQI
24th Jul 20264612 AMAQI
24th Jul 2026341 AMAQI
24th Jul 2026212 AMAQI
24th Jul 2026293 AMAQI
24th Jul 2026294 AMAQI
24th Jul 2026295 AMAQI

18°C10/25°C

24th Jul 2026276 AMAQI
24th Jul 2026257 AMAQI
24th Jul 2026278 AMAQI
24th Jul 2026279 AMAQI
24th Jul 20262510 AMAQI
24th Jul 20262511 AMAQI
24th Jul 20262512 PMAQI
24th Jul 2026361 PMAQI
24th Jul 2026252 PMAQI
24th Jul 2026253 PMAQI
24th Jul 2026254 PMAQI
24th Jul 2026255 PMAQI
24th Jul 2026256 PMAQI
24th Jul 2026257 PMAQI
24th Jul 2026258 PMAQI
24th Jul 2026259 PMAQI
24th Jul 20263610 PMAQI
24th Jul 20265311 PMAQI
25th Jul 20265212 AMAQI
25th Jul 2026531 AMAQI
25th Jul 2026292 AMAQI
25th Jul 2026293 AMAQI
25th Jul 2026274 AMAQI
25th Jul 2026315 AMAQI

16°C10/20°C

25th Jul 2026216 AMAQI
25th Jul 2026217 AMAQI
25th Jul 2026218 AMAQI
25th Jul 2026219 AMAQI
25th Jul 20262110 AMAQI
25th Jul 20261811 AMAQI
25th Jul 20261512 PMAQI
25th Jul 2026201 PMAQI
25th Jul 2026202 PMAQI
25th Jul 2026143 PMAQI
25th Jul 2026124 PMAQI
25th Jul 2026115 PMAQI
25th Jul 2026166 PMAQI
25th Jul 2026217 PMAQI
25th Jul 2026218 PMAQI
25th Jul 2026239 PMAQI
25th Jul 20263610 PMAQI
25th Jul 20263811 PMAQI
26th Jul 20264912 AMAQI
26th Jul 2026331 AMAQI
26th Jul 2026292 AMAQI
26th Jul 2026253 AMAQI
26th Jul 2026254 AMAQI
26th Jul 2026335 AMAQI

16°C8/24°C

26th Jul 2026366 AMAQI
26th Jul 2026257 AMAQI
26th Jul 2026388 AMAQI
26th Jul 2026299 AMAQI
26th Jul 20262510 AMAQI
26th Jul 20262711 AMAQI
26th Jul 20262112 PMAQI
26th Jul 2026251 PMAQI
26th Jul 2026212 PMAQI
26th Jul 2026273 PMAQI
26th Jul 2026184 PMAQI
26th Jul 2026175 PMAQI
26th Jul 2026226 PMAQI
26th Jul 2026257 PMAQI
26th Jul 2026278 PMAQI
26th Jul 2026339 PMAQI
26th Jul 20262910 PMAQI
26th Jul 20263211 PMAQI
27th Jul 20262912 AMAQI
27th Jul 2026561 AMAQI
27th Jul 2026252 AMAQI
27th Jul 2026493 AMAQI
27th Jul 2026234 AMAQI
27th Jul 2026255 AMAQI

20°C11/29°C

27th Jul 2026236 AMAQI
27th Jul 2026297 AMAQI
27th Jul 2026318 AMAQI
27th Jul 2026319 AMAQI
27th Jul 20264210 AMAQI
27th Jul 20265411 AMAQI
27th Jul 20264812 PMAQI
27th Jul 2026461 PMAQI
27th Jul 2026382 PMAQI
27th Jul 2026423 PMAQI
27th Jul 2026444 PMAQI
27th Jul 2026295 PMAQI
27th Jul 2026276 PMAQI
27th Jul 2026387 PMAQI
27th Jul 2026298 PMAQI
27th Jul 2026469 PMAQI
27th Jul 20265410 PMAQI
27th Jul 20265611 PMAQI
28th Jul 20264912 AMAQI
28th Jul 2026511 AMAQI
28th Jul 2026422 AMAQI
28th Jul 2026293 AMAQI
28th Jul 2026254 AMAQI
28th Jul 2026215 AMAQI

21°C16/28°C

28th Jul 2026386 AMAQI
28th Jul 2026297 AMAQI
28th Jul 2026318 AMAQI
28th Jul 2026339 AMAQI
28th Jul 20262710 AMAQI
28th Jul 20263811 AMAQI
28th Jul 20263012 PMAQI
28th Jul 2026331 PMAQI
28th Jul 2026312 PMAQI
28th Jul 2026233 PMAQI
28th Jul 2026324 PMAQI
28th Jul 2026295 PMAQI
28th Jul 2026296 PMAQI
28th Jul 2026337 PMAQI
28th Jul 2026298 PMAQI
28th Jul 2026299 PMAQI
28th Jul 20262910 PMAQI
28th Jul 20263811 PMAQI
29th Jul 20262312 AMAQI
29th Jul 2026211 AMAQI
29th Jul 2026212 AMAQI
29th Jul 2026423 AMAQI
29th Jul 2026384 AMAQI
29th Jul 2026335 AMAQI

20°C13/26°C

29th Jul 2026296 AMAQI
29th Jul 2026217 AMAQI
29th Jul 2026218 AMAQI
29th Jul 2026259 AMAQI
29th Jul 20263310 AMAQI
29th Jul 20262311 AMAQI
29th Jul 20263112 PMAQI
29th Jul 2026491 PMAQI
29th Jul 2026252 PMAQI
29th Jul 2026363 PMAQI
29th Jul 2026314 PMAQI
29th Jul 2026215 PMAQI
29th Jul 2026426 PMAQI
29th Jul 2026167 PMAQI
29th Jul 2026328 PMAQI
29th Jul 2026279 PMAQI
29th Jul 20262110 PMAQI
29th Jul 20263311 PMAQI
30th Jul 20265212 AMAQI
30th Jul 2026211 AMAQI
30th Jul 2026212 AMAQI
30th Jul 2026213 AMAQI
30th Jul 2026324 AMAQI
30th Jul 2026235 AMAQI

21°C13/29°C

30th Jul 2026236 AMAQI
30th Jul 2026427 AMAQI
30th Jul 2026318 AMAQI
30th Jul 2026339 AMAQI
30th Jul 20263110 AMAQI
30th Jul 20262511 AMAQI
30th Jul 20262312 PMAQI
30th Jul 2026381 PMAQI
30th Jul 2026382 PMAQI
30th Jul 2026383 PMAQI
30th Jul 2026234 PMAQI
30th Jul 2026385 PMAQI
30th Jul 2026386 PMAQI
30th Jul 2026387 PMAQI
30th Jul 2026388 PMAQI
30th Jul 2026309 PMAQI
30th Jul 20262310 PMAQI
30th Jul 20263111 PMAQI
31st Jul 20263012 AMAQI
31st Jul 2026251 AMAQI
31st Jul 2026292 AMAQI
31st Jul 2026253 AMAQI
31st Jul 2026214 AMAQI
31st Jul 2026215 AMAQI

22°C14/31°C

31st Jul 2026256 AMAQI
31st Jul 2026257 AMAQI
31st Jul 2026318 AMAQI
31st Jul 2026389 AMAQI
31st Jul 20264610 AMAQI
31st Jul 20264611 AMAQI
31st Jul 20263612 PMAQI
31st Jul 2026211 PMAQI
31st Jul 2026252 PMAQI
31st Jul 2026293 PMAQI
31st Jul 2026294 PMAQI
31st Jul 2026215 PMAQI
31st Jul 2026386 PMAQI
31st Jul 2026217 PMAQI
31st Jul 2026258 PMAQI
31st Jul 2026279 PMAQI
31st Jul 20264610 PMAQI
31st Jul 20265511 PMAQI
1st Aug 20265612 AMAQI
1st Aug 2026531 AMAQI
1st Aug 2026512 AMAQI
1st Aug 2026523 AMAQI
1st Aug 2026514 AMAQI
1st Aug 2026515 AMAQI

25°C16/35°C

1st Aug 2026466 AMAQI
1st Aug 2026517 AMAQI
1st Aug 2026518 AMAQI
1st Aug 2026559 AMAQI
1st Aug 20265910 AMAQI
1st Aug 20265511 AMAQI
1st Aug 20264612 PMAQI
1st Aug 2026401 PMAQI
1st Aug 2026402 PMAQI
1st Aug 2026293 PMAQI
1st Aug 2026294 PMAQI
1st Aug 2026215 PMAQI
1st Aug 2026216 PMAQI
1st Aug 2026217 PMAQI
1st Aug 2026218 PMAQI
1st Aug 2026299 PMAQI
1st Aug 20264410 PMAQI
1st Aug 20265611 PMAQI
2nd Aug 20266412 AMAQI
2nd Aug 2026511 AMAQI
2nd Aug 2026512 AMAQI
2nd Aug 2026533 AMAQI
2nd Aug 2026514 AMAQI
2nd Aug 2026505 AMAQI

26°C18/35°C

2nd Aug 2026516 AMAQI
2nd Aug 2026517 AMAQI
2nd Aug 2026488 AMAQI
2nd Aug 2026489 AMAQI
2nd Aug 20265210 AMAQI
2nd Aug 20265311 AMAQI
2nd Aug 20265012 PMAQI
2nd Aug 2026521 PMAQI
2nd Aug 2026512 PMAQI
2nd Aug 2026483 PMAQI
2nd Aug 2026424 PMAQI
2nd Aug 2026335 PMAQI
2nd Aug 2026366 PMAQI
2nd Aug 2026297 PMAQI
2nd Aug 2026508 PMAQI
2nd Aug 2026369 PMAQI
2nd Aug 20265510 PMAQI
2nd Aug 20264411 PMAQI
3rd Aug 20264812 AMAQI
3rd Aug 2026311 AMAQI
3rd Aug 2026482 AMAQI
3rd Aug 2026533 AMAQI
3rd Aug 2026534 AMAQI
3rd Aug 2026535 AMAQI

26°C17/35°C

3rd Aug 2026526 AMAQI
3rd Aug 2026537 AMAQI
3rd Aug 2026538 AMAQI
3rd Aug 2026489 AMAQI
3rd Aug 20265010 AMAQI
3rd Aug 20264411 AMAQI
3rd Aug 20264412 PMAQI
3rd Aug 2026361 PMAQI
3rd Aug 2026382 PMAQI
3rd Aug 2026363 PMAQI
3rd Aug 2026364 PMAQI
3rd Aug 2026465 PMAQI
3rd Aug 2026296 PMAQI
3rd Aug 2026387 PMAQI
3rd Aug 2026428 PMAQI
3rd Aug 2026409 PMAQI
3rd Aug 20265410 PMAQI
3rd Aug 20265311 PMAQI
4th Aug 20264912 AMAQI
4th Aug 2026291 AMAQI
4th Aug 2026312 AMAQI
4th Aug 2026333 AMAQI
4th Aug 2026334 AMAQI
4th Aug 2026315 AMAQI

26°C17/34°C

4th Aug 2026296 AMAQI
4th Aug 2026337 AMAQI
4th Aug 2026318 AMAQI
4th Aug 2026339 AMAQI
4th Aug 20263310 AMAQI
4th Aug 20263611 AMAQI
4th Aug 20263812 PMAQI
4th Aug 2026331 PMAQI
4th Aug 2026482 PMAQI
4th Aug 2026483 PMAQI
4th Aug 2026404 PMAQI
4th Aug 2026315 PMAQI
4th Aug 2026296 PMAQI
4th Aug 2026407 PMAQI
4th Aug 2026448 PMAQI
4th Aug 2026449 PMAQI
4th Aug 20264610 PMAQI
4th Aug 20264211 PMAQI
5th Aug 20265512 AMAQI
5th Aug 2026571 AMAQI
5th Aug 2026542 AMAQI
5th Aug 2026603 AMAQI
5th Aug 2026564 AMAQI
5th Aug 2026555 AMAQI

26°C17/36°C

5th Aug 2026556 AMAQI
5th Aug 2026537 AMAQI
5th Aug 2026568 AMAQI
5th Aug 2026559 AMAQI
5th Aug 20265810 AMAQI
5th Aug 20265911 AMAQI
5th Aug 20265312 PMAQI
5th Aug 2026511 PMAQI
5th Aug 2026532 PMAQI
5th Aug 2026533 PMAQI
5th Aug 2026524 PMAQI
5th Aug 2026445 PMAQI
5th Aug 2026426 PMAQI
5th Aug 2026467 PMAQI
5th Aug 2026508 PMAQI
5th Aug 2026509 PMAQI
5th Aug 20265810 PMAQI
5th Aug 20266011 PMAQI
6th Aug 20265212 AMAQI
6th Aug 2026581 AMAQI
6th Aug 2026552 AMAQI
6th Aug 2026543 AMAQI
6th Aug 2026514 AMAQI
6th Aug 2026535 AMAQI

27°C19/36°C

6th Aug 2026626 AMAQI
6th Aug 2026527 AMAQI
6th Aug 2026568 AMAQI
6th Aug 2026579 AMAQI
6th Aug 20265710 AMAQI
6th Aug 20266311 AMAQI
6th Aug 20266912 PMAQI
6th Aug 2026551 PMAQI
6th Aug 2026622 PMAQI
6th Aug 2026663 PMAQI
6th Aug 2026654 PMAQI
6th Aug 2026645 PMAQI
6th Aug 2026726 PMAQI
6th Aug 2026537 PMAQI
6th Aug 2026678 PMAQI
6th Aug 2026669 PMAQI
6th Aug 20268010 PMAQI
6th Aug 20267511 PMAQI
7th Aug 20267812 AMAQI
7th Aug 2026641 AMAQI
7th Aug 2026682 AMAQI
7th Aug 2026703 AMAQI
7th Aug 2026684 AMAQI
7th Aug 2026655 AMAQI

27°C19/36°C

7th Aug 2026686 AMAQI
7th Aug 2026677 AMAQI
7th Aug 2026708 AMAQI
7th Aug 2026709 AMAQI
7th Aug 20266810 AMAQI
7th Aug 20266611 AMAQI
7th Aug 20266612 PMAQI
7th Aug 2026671 PMAQI
7th Aug 2026622 PMAQI
7th Aug 2026603 PMAQI
7th Aug 2026554 PMAQI
7th Aug 2026525 PMAQI
7th Aug 2026566 PMAQI
7th Aug 2026547 PMAQI
7th Aug 2026528 PMAQI
7th Aug 2026519 PMAQI
7th Aug 20265310 PMAQI
7th Aug 20265511 PMAQI
8th Aug 20265512 AMAQI
8th Aug 2026541 AMAQI
8th Aug 2026552 AMAQI
8th Aug 2026583 AMAQI
8th Aug 2026634 AMAQI
8th Aug 2026565 AMAQI

24°C17/35°C

8th Aug 2026526 AMAQI
8th Aug 2026567 AMAQI
8th Aug 2026578 AMAQI
8th Aug 2026489 AMAQI
8th Aug 20264210 AMAQI
8th Aug 20264211 AMAQI
8th Aug 20264612 PMAQI
8th Aug 2026461 PMAQI
8th Aug 2026402 PMAQI
8th Aug 2026273 PMAQI
8th Aug 2026314 PMAQI
8th Aug 2026295 PMAQI
8th Aug 2026236 PMAQI
8th Aug 2026257 PMAQI
8th Aug 2026218 PMAQI
8th Aug 2026259 PMAQI
8th Aug 20262110 PMAQI
8th Aug 20262111 PMAQI
9th Aug 20264012 AMAQI
9th Aug 2026271 AMAQI
9th Aug 2026212 AMAQI
9th Aug 2026383 AMAQI
9th Aug 2026314 AMAQI
9th Aug 2026465 AMAQI

22°C16/33°C

9th Aug 2026386 AMAQI
9th Aug 2026237 AMAQI
9th Aug 2026258 AMAQI
9th Aug 2026259 AMAQI
9th Aug 20262510 AMAQI
9th Aug 20262311 AMAQI
9th Aug 20263412 PMAQI
9th Aug 2026211 PMAQI
9th Aug 2026252 PMAQI
9th Aug 2026213 PMAQI
9th Aug 2026254 PMAQI
9th Aug 2026255 PMAQI
9th Aug 2026216 PMAQI
9th Aug 2026257 PMAQI
9th Aug 2026328 PMAQI
9th Aug 2026279 PMAQI
9th Aug 20262910 PMAQI
9th Aug 20264211 PMAQI
10th Aug 20266712 AMAQI
10th Aug 2026621 AMAQI
10th Aug 2026642 AMAQI
10th Aug 2026603 AMAQI
10th Aug 2026534 AMAQI
10th Aug 2026605 AMAQI

22°C15/29°C

10th Aug 2026546 AMAQI
10th Aug 2026517 AMAQI
10th Aug 2026538 AMAQI
10th Aug 2026769 AMAQI
10th Aug 20265810 AMAQI
10th Aug 20265211 AMAQI
10th Aug 20264412 PMAQI
10th Aug 2026481 PMAQI
10th Aug 2026572 PMAQI
10th Aug 2026463 PMAQI
10th Aug 2026364 PMAQI
10th Aug 2026345 PMAQI
10th Aug 2026256 PMAQI
10th Aug 2026217 PMAQI
10th Aug 2026238 PMAQI
10th Aug 2026299 PMAQI
10th Aug 20264410 PMAQI
10th Aug 20265811 PMAQI
11th Aug 20265212 AMAQI
11th Aug 2026441 AMAQI
11th Aug 2026382 AMAQI
11th Aug 2026563 AMAQI
11th Aug 2026364 AMAQI
11th Aug 2026405 AMAQI

24°C15/33°C

11th Aug 2026496 AMAQI
11th Aug 2026367 AMAQI
11th Aug 2026468 AMAQI
11th Aug 2026499 AMAQI
11th Aug 20264210 AMAQI
11th Aug 20263611 AMAQI
11th Aug 20263812 PMAQI
11th Aug 2026581 PMAQI
11th Aug 2026442 PMAQI
11th Aug 2026383 PMAQI
11th Aug 2026294 PMAQI
11th Aug 2026275 PMAQI
11th Aug 2026256 PMAQI
11th Aug 2026257 PMAQI
11th Aug 2026298 PMAQI
11th Aug 2026519 PMAQI
11th Aug 20265510 PMAQI
11th Aug 20265911 PMAQI
12th Aug 20265812 AMAQI
12th Aug 2026541 AMAQI
12th Aug 2026492 AMAQI
12th Aug 2026463 AMAQI
12th Aug 2026444 AMAQI
12th Aug 2026485 AMAQI

26°C17/36°C

12th Aug 2026506 AMAQI
12th Aug 2026487 AMAQI
12th Aug 2026548 AMAQI
12th Aug 2026629 AMAQI
12th Aug 20265410 AMAQI
12th Aug 20265011 AMAQI
12th Aug 20265412 PMAQI
12th Aug 2026561 PMAQI
12th Aug 2026532 PMAQI
12th Aug 2026503 PMAQI
12th Aug 2026384 PMAQI
12th Aug 2026405 PMAQI
12th Aug 2026296 PMAQI
12th Aug 2026467 PMAQI
12th Aug 2026488 PMAQI
12th Aug 2026279 PMAQI
12th Aug 20262710 PMAQI
12th Aug 20264011 PMAQI
13th Aug 20262712 AMAQI
13th Aug 2026291 AMAQI
13th Aug 2026382 AMAQI
13th Aug 2026363 AMAQI
13th Aug 2026334 AMAQI
13th Aug 2026425 AMAQI

24°C16/31°C

13th Aug 2026536 AMAQI
13th Aug 2026607 AMAQI
13th Aug 2026588 AMAQI
13th Aug 2026629 AMAQI
13th Aug 20265010 AMAQI
13th Aug 20263811 AMAQI
13th Aug 20264412 PMAQI
13th Aug 2026491 PMAQI
13th Aug 2026382 PMAQI
13th Aug 2026363 PMAQI
13th Aug 2026334 PMAQI
13th Aug 2026425 PMAQI
13th Aug 2026556 PMAQI
13th Aug 2026317 PMAQI
13th Aug 2026318 PMAQI
13th Aug 2026529 PMAQI
13th Aug 20266010 PMAQI
13th Aug 20264811 PMAQI
14th Aug 20264012 AMAQI
14th Aug 2026401 AMAQI
14th Aug 2026272 AMAQI
14th Aug 2026253 AMAQI
14th Aug 2026254 AMAQI
14th Aug 2026295 AMAQI

22°C14/30°C

14th Aug 2026466 AMAQI
6 AM
14th Aug 2026467 AMAQI
14th Aug 2026218 AMAQI
14th Aug 2026219 AMAQI
14th Aug 20264610 AMAQI
14th Aug 20264611 AMAQI
14th Aug 20264612 PMAQI
14th Aug 2026421 PMAQI
1 PM
14th Aug 2026342 PMAQI
14th Aug 2026213 PMAQI
14th Aug 2026344 PMAQI
14th Aug 2026215 PMAQI
14th Aug 2026256 PMAQI
14th Aug 2026257 PMAQI
14th Aug 2026258 PMAQI
14th Aug 2026299 PMAQI
9 PM
14th Aug 20263610 PMAQI
14th Aug 20264811 PMAQI
1 AM
5 AM

22°C14/31°C

Day time
Avg. Highest Time
6 AM - 1 PM

42AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
7 PM

31AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 1 PM (Avg. 42), while the lowest AQI was between 7 PM to 7 PM (Avg. 31).
Night time
Avg. Highest Time
12 AM

46AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
2 AM

39AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 12 AM (Avg. 46), while the lowest AQI was between 2 AM to 2 AM (Avg. 39).

2026 Days Vs Air Quality

Buna Ziua, Cluj Napoca, Cluj County, Romania

2026

42%

93

43%

96

14%

31

1%

3

Total number of days with different AQI categories in last 226 days in 2026 (139 days remaining)

Good
93 Days
Moderate
96 Days
Poor
31 Days
Unhealthy
3 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 42%

Health Risk Level:

Significant

In 2026, 42% of 226 days were within WHO’s safe air quality limits, and 58% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.

Annual Air Quality Insights

Buna Ziua, Cluj Napoca, Cluj County, Romania

AQI levels in 2026

AQI (US)
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 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
64AQI (US)
2nd January 2026
65AQI (US)
3rd January 2026
45AQI (US)
4th January 2026
77AQI (US)
5th January 2026
76AQI (US)
6th January 2026
104AQI (US)
7th January 2026
62AQI (US)
8th January 2026
76AQI (US)
9th January 2026
84AQI (US)
10th January 2026
105AQI (US)
11th January 2026
65AQI (US)
12th January 2026
113AQI (US)
13th January 2026
99AQI (US)
14th January 2026
118AQI (US)
15th January 2026
140AQI (US)
16th January 2026
106AQI (US)
17th January 2026
71AQI (US)
18th January 2026
133AQI (US)
19th January 2026
136AQI (US)
20th January 2026
155AQI (US)
21st January 2026
155AQI (US)
22nd January 2026
161AQI (US)
23rd January 2026
126AQI (US)
24th January 2026
134AQI (US)
25th January 2026
111AQI (US)
26th January 2026
59AQI (US)
27th January 2026
106AQI (US)
28th January 2026
98AQI (US)
29th January 2026
140AQI (US)
30th January 2026
146AQI (US)
31st January 2026
109AQI (US)
1st February 2026
86AQI (US)
2nd February 2026
93AQI (US)
3rd February 2026
93AQI (US)
4th February 2026
110AQI (US)
5th February 2026
69AQI (US)
6th February 2026
54AQI (US)
7th February 2026
74AQI (US)
8th February 2026
101AQI (US)
9th February 2026
98AQI (US)
10th February 2026
72AQI (US)
11th February 2026
80AQI (US)
12th February 2026
89AQI (US)
13th February 2026
100AQI (US)
14th February 2026
68AQI (US)
15th February 2026
87AQI (US)
16th February 2026
89AQI (US)
17th February 2026
99AQI (US)
18th February 2026
89AQI (US)
19th February 2026
85AQI (US)
20th February 2026
76AQI (US)
21st February 2026
46AQI (US)
22nd February 2026
111AQI (US)
23rd February 2026
107AQI (US)
24th February 2026
82AQI (US)
25th February 2026
41AQI (US)
26th February 2026
55AQI (US)
27th February 2026
105AQI (US)
28th February 2026
123AQI (US)
1st March 2026
108AQI (US)
2nd March 2026
110AQI (US)
3rd March 2026
122AQI (US)
4th March 2026
107AQI (US)
5th March 2026
106AQI (US)
6th March 2026
59AQI (US)
7th March 2026
91AQI (US)
8th March 2026
106AQI (US)
9th March 2026
88AQI (US)
10th March 2026
88AQI (US)
11th March 2026
80AQI (US)
12th March 2026
95AQI (US)
13th March 2026
103AQI (US)
14th March 2026
92AQI (US)
15th March 2026
55AQI (US)
16th March 2026
77AQI (US)
17th March 2026
109AQI (US)
18th March 2026
110AQI (US)
19th March 2026
79AQI (US)
20th March 2026
63AQI (US)
21st March 2026
75AQI (US)
22nd March 2026
60AQI (US)
23rd March 2026
51AQI (US)
24th March 2026
79AQI (US)
25th March 2026
92AQI (US)
26th March 2026
94AQI (US)
27th March 2026
78AQI (US)
28th March 2026
67AQI (US)
29th March 2026
64AQI (US)
30th March 2026
87AQI (US)
31st March 2026
75AQI (US)
1st April 2026
81AQI (US)
2nd April 2026
90AQI (US)
3rd April 2026
120AQI (US)
4th April 2026
76AQI (US)
5th April 2026
69AQI (US)
6th April 2026
68AQI (US)
7th April 2026
42AQI (US)
8th April 2026
64AQI (US)
9th April 2026
61AQI (US)
10th April 2026
70AQI (US)
11th April 2026
73AQI (US)
12th April 2026
79AQI (US)
13th April 2026
90AQI (US)
14th April 2026
56AQI (US)
15th April 2026
84AQI (US)
16th April 2026
74AQI (US)
17th April 2026
18th April 2026
57AQI (US)
19th April 2026
49AQI (US)
20th April 2026
62AQI (US)
21st April 2026
51AQI (US)
22nd April 2026
23rd April 2026
32AQI (US)
24th April 2026
32AQI (US)
25th April 2026
58AQI (US)
26th April 2026
37AQI (US)
27th April 2026
26AQI (US)
28th April 2026
39AQI (US)
29th April 2026
44AQI (US)
30th April 2026
34AQI (US)
1st May 2026
53AQI (US)
2nd May 2026
47AQI (US)
3rd May 2026
43AQI (US)
4th May 2026
35AQI (US)
5th May 2026
34AQI (US)
6th May 2026
49AQI (US)
7th May 2026
71AQI (US)
8th May 2026
58AQI (US)
9th May 2026
10th May 2026
53AQI (US)
11th May 2026
38AQI (US)
12th May 2026
31AQI (US)
13th May 2026
46AQI (US)
14th May 2026
38AQI (US)
15th May 2026
44AQI (US)
16th May 2026
42AQI (US)
17th May 2026
51AQI (US)
18th May 2026
37AQI (US)
19th May 2026
34AQI (US)
20th May 2026
44AQI (US)
21st May 2026
57AQI (US)
22nd May 2026
60AQI (US)
23rd May 2026
40AQI (US)
24th May 2026
41AQI (US)
25th May 2026
43AQI (US)
26th May 2026
39AQI (US)
27th May 2026
24AQI (US)
28th May 2026
28AQI (US)
29th May 2026
30AQI (US)
30th May 2026
15AQI (US)
31st May 2026
31AQI (US)
1st June 2026
38AQI (US)
2nd June 2026
41AQI (US)
3rd June 2026
35AQI (US)
4th June 2026
52AQI (US)
5th June 2026
46AQI (US)
6th June 2026
51AQI (US)
7th June 2026
27AQI (US)
8th June 2026
18AQI (US)
9th June 2026
28AQI (US)
10th June 2026
40AQI (US)
11th June 2026
53AQI (US)
12th June 2026
50AQI (US)
13th June 2026
17AQI (US)
14th June 2026
14AQI (US)
15th June 2026
17AQI (US)
16th June 2026
24AQI (US)
17th June 2026
24AQI (US)
18th June 2026
26AQI (US)
19th June 2026
43AQI (US)
20th June 2026
55AQI (US)
21st June 2026
62AQI (US)
22nd June 2026
65AQI (US)
23rd June 2026
44AQI (US)
24th June 2026
38AQI (US)
25th June 2026
54AQI (US)
26th June 2026
58AQI (US)
27th June 2026
28AQI (US)
28th June 2026
70AQI (US)
29th June 2026
80AQI (US)
30th June 2026
86AQI (US)
1st July 2026
43AQI (US)
2nd July 2026
62AQI (US)
3rd July 2026
45AQI (US)
4th July 2026
17AQI (US)
5th July 2026
18AQI (US)
6th July 2026
24AQI (US)
7th July 2026
27AQI (US)
8th July 2026
28AQI (US)
9th July 2026
28AQI (US)
10th July 2026
31AQI (US)
11th July 2026
35AQI (US)
12th July 2026
40AQI (US)
13th July 2026
24AQI (US)
14th July 2026
37AQI (US)
15th July 2026
55AQI (US)
16th July 2026
35AQI (US)
17th July 2026
43AQI (US)
18th July 2026
53AQI (US)
19th July 2026
46AQI (US)
20th July 2026
39AQI (US)
21st July 2026
30AQI (US)
22nd July 2026
28AQI (US)
23rd July 2026
31AQI (US)
24th July 2026
29AQI (US)
25th July 2026
25AQI (US)
26th July 2026
28AQI (US)
27th July 2026
38AQI (US)
28th July 2026
32AQI (US)
29th July 2026
29AQI (US)
30th July 2026
31AQI (US)
31st July 2026
31AQI (US)
1st August 2026
43AQI (US)
2nd August 2026
48AQI (US)
3rd August 2026
45AQI (US)
4th August 2026
37AQI (US)
5th August 2026
54AQI (US)
6th August 2026
61AQI (US)
7th August 2026
63AQI (US)
8th August 2026
41AQI (US)
9th August 2026
29AQI (US)
10th August 2026
49AQI (US)
11th August 2026
42AQI (US)
12th August 2026
47AQI (US)
13th August 2026
44AQI (US)
14th August 2026
33AQI (US)
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

104AQI (US)

85AQI (US)

86AQI (US)

61AQI (US)

42AQI (US)

43AQI (US)

34AQI (US)

45AQI (US)

No. of days

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

202664AQI (US)

1
12
15
3
2
20
6
22
9
9
18
1
23
7
19
11
28
3
11
3
93
96
31
3

Highest AQI (US) recorded in

January

104AQI (US)

Lowest AQI (US) recorded in

July

34AQI (US)

202547AQI (US)

3
25
5
31
31
30
14
17
3
25
2
4
21
4
2
141
68
6
2

Highest AQI (US) recorded in

December

76AQI (US)

Lowest AQI (US) recorded in

August

30AQI (US)

Most & Least Polluted Years Over the Last 2 Years

Most Polluted Year Recorded
2026(Avg.)
64AQI (US)
Least Polluted Year Recorded
2025(Avg.)
47AQI (US)

Buna Ziua's annual 2026 AQI (US) (64) shows an average percentage change of 36.1% (worsened AQI (US)) compared to previous years: 2025 (47).