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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Strada Zefirului, 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+

August Air Quality Analysis

Strada Zefirului, Cluj Napoca, Cluj, Romania

2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
2nd Aug 2026
48AQI
Lowest AQI recorded on
9th Aug 2025
19AQI

Same Day Analysis (3rd August):
On this day, AQI across the 3 years varied significantly: 2026 ranks 1st highest AQI at 47 of Good air quality on the same day.

Day & Night AQI Trend: 3rd Aug - 4th Aug 2026

Strada Zefirului, Cluj Napoca, Cluj, Romania

AQI
Day
Night
.

5 AM3rd Aug 2026

9 PM

4 AM4th Aug 2026

Day time
Avg. Highest Time
8AM3rd Aug

59AQI

Avg. Lowest Time
6PM3rd Aug

25AQI

Night time
Avg. Highest Time
10PM3rd Aug

58AQI

Avg. Lowest Time
1AM4th Aug

21AQI

In the last 24 hours,

Strada Zefirului's AQI reached its highest point of 59 at 8 AM during the Day, while the lowest point, 21, was recorded at 1 AM during the Night between 3rd Aug and 4th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Strada Zefirului, Cluj Napoca, Cluj, Romania

JulAug
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
Day
Night
6th Jul 2026235 AMAQI
6th Jul 2026226 AMAQI
6th Jul 2026187 AMAQI
6th Jul 2026228 AMAQI
6th Jul 2026289 AMAQI
6th Jul 20262810 AMAQI
6th Jul 20262211 AMAQI
6th Jul 20262012 PMAQI
6th Jul 2026241 PMAQI
6th Jul 2026282 PMAQI
6th Jul 2026263 PMAQI
6th Jul 2026284 PMAQI
6th Jul 2026285 PMAQI
6th Jul 2026326 PMAQI
6th Jul 2026287 PMAQI
6th Jul 2026318 PMAQI
6th Jul 2026319 PMAQI
6th Jul 20262810 PMAQI
6th Jul 20263211 PMAQI
7th Jul 20263012 AMAQI
7th Jul 2026281 AMAQI
7th Jul 2026302 AMAQI
7th Jul 2026283 AMAQI
7th Jul 2026294 AMAQI

19°C12/24°C

7th Jul 2026265 AMAQI
7th Jul 2026246 AMAQI
7th Jul 2026247 AMAQI
7th Jul 2026268 AMAQI
7th Jul 2026289 AMAQI
7th Jul 20262610 AMAQI
7th Jul 20262211 AMAQI
7th Jul 20262412 PMAQI
7th Jul 2026281 PMAQI
7th Jul 2026282 PMAQI
7th Jul 2026283 PMAQI
7th Jul 2026284 PMAQI
7th Jul 2026265 PMAQI
7th Jul 2026326 PMAQI
7th Jul 2026317 PMAQI
7th Jul 2026288 PMAQI
7th Jul 2026299 PMAQI
7th Jul 20262910 PMAQI
7th Jul 20263211 PMAQI
8th Jul 20263012 AMAQI
8th Jul 2026311 AMAQI
8th Jul 2026272 AMAQI
8th Jul 2026273 AMAQI
8th Jul 2026264 AMAQI

19°C14/25°C

8th Jul 2026265 AMAQI
8th Jul 2026256 AMAQI
8th Jul 2026247 AMAQI
8th Jul 2026288 AMAQI
8th Jul 2026289 AMAQI
8th Jul 20262810 AMAQI
8th Jul 20262511 AMAQI
8th Jul 20262512 PMAQI
8th Jul 2026201 PMAQI
8th Jul 2026352 PMAQI
8th Jul 2026243 PMAQI
8th Jul 2026244 PMAQI
8th Jul 2026245 PMAQI
8th Jul 2026306 PMAQI
8th Jul 2026407 PMAQI
8th Jul 2026388 PMAQI
8th Jul 2026299 PMAQI
8th Jul 20262610 PMAQI
8th Jul 20262811 PMAQI
9th Jul 20262912 AMAQI
9th Jul 2026281 AMAQI
9th Jul 2026272 AMAQI
9th Jul 2026243 AMAQI
9th Jul 2026254 AMAQI

17°C11/21°C

9th Jul 2026225 AMAQI
9th Jul 2026206 AMAQI
9th Jul 2026227 AMAQI
9th Jul 2026268 AMAQI
9th Jul 2026269 AMAQI
9th Jul 20262210 AMAQI
9th Jul 20262611 AMAQI
9th Jul 20262212 PMAQI
9th Jul 2026221 PMAQI
9th Jul 2026262 PMAQI
9th Jul 2026263 PMAQI
9th Jul 2026364 PMAQI
9th Jul 2026315 PMAQI
9th Jul 2026286 PMAQI
9th Jul 2026307 PMAQI
9th Jul 2026298 PMAQI
9th Jul 2026289 PMAQI
9th Jul 20262810 PMAQI
9th Jul 20262811 PMAQI
10th Jul 20261212 AMAQI
10th Jul 2026241 AMAQI
10th Jul 2026282 AMAQI
10th Jul 2026293 AMAQI
10th Jul 2026314 AMAQI

15°C9/22°C

10th Jul 2026275 AMAQI
10th Jul 2026266 AMAQI
10th Jul 2026247 AMAQI
10th Jul 2026248 AMAQI
10th Jul 2026249 AMAQI
10th Jul 20262410 AMAQI
10th Jul 20262911 AMAQI
10th Jul 20263112 PMAQI
10th Jul 2026321 PMAQI
10th Jul 2026322 PMAQI
10th Jul 2026303 PMAQI
10th Jul 202684 PMAQI
10th Jul 2026205 PMAQI
10th Jul 2026226 PMAQI
10th Jul 2026347 PMAQI
10th Jul 2026338 PMAQI
10th Jul 2026319 PMAQI
10th Jul 20264710 PMAQI
10th Jul 20266511 PMAQI
11th Jul 20264712 AMAQI
11th Jul 2026531 AMAQI
11th Jul 2026362 AMAQI
11th Jul 2026493 AMAQI
11th Jul 2026424 AMAQI

16°C9/22°C

11th Jul 2026405 AMAQI
11th Jul 2026446 AMAQI
11th Jul 2026277 AMAQI
11th Jul 2026298 AMAQI
11th Jul 2026299 AMAQI
11th Jul 20262510 AMAQI
11th Jul 20263211 AMAQI
11th Jul 20263212 PMAQI
11th Jul 2026281 PMAQI
11th Jul 2026282 PMAQI
11th Jul 2026303 PMAQI
11th Jul 2026324 PMAQI
11th Jul 2026325 PMAQI
11th Jul 2026326 PMAQI
11th Jul 2026307 PMAQI
11th Jul 2026308 PMAQI
11th Jul 2026309 PMAQI
11th Jul 20262810 PMAQI
11th Jul 20263111 PMAQI
12th Jul 20263012 AMAQI
12th Jul 2026641 AMAQI
12th Jul 2026552 AMAQI
12th Jul 2026623 AMAQI
12th Jul 2026504 AMAQI

18°C12/26°C

12th Jul 2026515 AMAQI
12th Jul 2026446 AMAQI
12th Jul 2026497 AMAQI
12th Jul 2026588 AMAQI
12th Jul 2026609 AMAQI
12th Jul 20265010 AMAQI
12th Jul 20264611 AMAQI
12th Jul 20263012 PMAQI
12th Jul 2026311 PMAQI
12th Jul 2026282 PMAQI
12th Jul 2026323 PMAQI
12th Jul 2026304 PMAQI
12th Jul 2026285 PMAQI
12th Jul 2026126 PMAQI
12th Jul 2026217 PMAQI
12th Jul 2026368 PMAQI
12th Jul 2026319 PMAQI
12th Jul 20262710 PMAQI
12th Jul 20262811 PMAQI
13th Jul 20262912 AMAQI
13th Jul 2026281 AMAQI
13th Jul 2026282 AMAQI
13th Jul 2026303 AMAQI
13th Jul 2026264 AMAQI

18°C13/25°C

13th Jul 2026265 AMAQI
13th Jul 2026276 AMAQI
13th Jul 2026247 AMAQI
13th Jul 2026248 AMAQI
13th Jul 2026749 AMAQI
13th Jul 20262510 AMAQI
13th Jul 20262911 AMAQI
13th Jul 20262112 PMAQI
13th Jul 2026141 PMAQI
13th Jul 2026272 PMAQI
13th Jul 2026123 PMAQI
13th Jul 2026164 PMAQI
13th Jul 202685 PMAQI
13th Jul 2026176 PMAQI
13th Jul 2026197 PMAQI
13th Jul 2026238 PMAQI
13th Jul 2026129 PMAQI
13th Jul 20262310 PMAQI
13th Jul 20262511 PMAQI
14th Jul 20262712 AMAQI
14th Jul 2026171 AMAQI
14th Jul 2026192 AMAQI
14th Jul 2026173 AMAQI
14th Jul 2026214 AMAQI

18°C13/24°C

14th Jul 2026175 AMAQI
14th Jul 2026216 AMAQI
14th Jul 2026257 AMAQI
14th Jul 2026318 AMAQI
14th Jul 2026539 AMAQI
14th Jul 20265910 AMAQI
14th Jul 20265911 AMAQI
14th Jul 20266012 PMAQI
14th Jul 2026601 PMAQI
14th Jul 2026532 PMAQI
14th Jul 2026383 PMAQI
14th Jul 2026384 PMAQI
14th Jul 2026425 PMAQI
14th Jul 2026426 PMAQI
14th Jul 2026627 PMAQI
14th Jul 2026488 PMAQI
14th Jul 2026259 PMAQI
14th Jul 20262510 PMAQI
14th Jul 20264011 PMAQI
15th Jul 20265612 AMAQI
15th Jul 2026681 AMAQI
15th Jul 2026542 AMAQI
15th Jul 2026593 AMAQI
15th Jul 2026604 AMAQI

21°C14/27°C

15th Jul 2026625 AMAQI
15th Jul 2026646 AMAQI
15th Jul 2026547 AMAQI
15th Jul 2026628 AMAQI
15th Jul 2026599 AMAQI
15th Jul 20265810 AMAQI
15th Jul 20265611 AMAQI
15th Jul 20265412 PMAQI
15th Jul 2026441 PMAQI
15th Jul 2026642 PMAQI
15th Jul 2026423 PMAQI
15th Jul 2026364 PMAQI
15th Jul 2026385 PMAQI
15th Jul 2026466 PMAQI
15th Jul 2026537 PMAQI
15th Jul 2026628 PMAQI
15th Jul 2026289 PMAQI
15th Jul 20265010 PMAQI
15th Jul 20264411 PMAQI
16th Jul 20264912 AMAQI
16th Jul 2026541 AMAQI
16th Jul 2026442 AMAQI
16th Jul 2026563 AMAQI
16th Jul 2026404 AMAQI

21°C15/30°C

16th Jul 2026335 AMAQI
16th Jul 2026316 AMAQI
16th Jul 2026297 AMAQI
16th Jul 2026338 AMAQI
16th Jul 2026299 AMAQI
16th Jul 20263810 AMAQI
16th Jul 20264411 AMAQI
16th Jul 20264412 PMAQI
16th Jul 2026441 PMAQI
16th Jul 2026192 PMAQI
16th Jul 2026273 PMAQI
16th Jul 2026214 PMAQI
16th Jul 2026275 PMAQI
16th Jul 2026236 PMAQI
16th Jul 2026277 PMAQI
16th Jul 2026238 PMAQI
16th Jul 2026179 PMAQI
16th Jul 20261410 PMAQI
16th Jul 20263411 PMAQI
17th Jul 20262312 AMAQI
17th Jul 2026271 AMAQI
17th Jul 2026362 AMAQI
17th Jul 2026423 AMAQI
17th Jul 2026344 AMAQI

22°C15/29°C

17th Jul 2026465 AMAQI
17th Jul 2026426 AMAQI
17th Jul 2026517 AMAQI
17th Jul 2026628 AMAQI
17th Jul 2026599 AMAQI
17th Jul 20265310 AMAQI
17th Jul 20265711 AMAQI
17th Jul 20265512 PMAQI
17th Jul 2026501 PMAQI
17th Jul 2026502 PMAQI
17th Jul 2026463 PMAQI
17th Jul 2026314 PMAQI
17th Jul 2026385 PMAQI
17th Jul 2026316 PMAQI
17th Jul 2026277 PMAQI
17th Jul 2026328 PMAQI
17th Jul 2026329 PMAQI
17th Jul 20266010 PMAQI
17th Jul 20265311 PMAQI
18th Jul 20266012 AMAQI
18th Jul 2026621 AMAQI
18th Jul 2026562 AMAQI
18th Jul 2026533 AMAQI
18th Jul 2026544 AMAQI

23°C16/30°C

18th Jul 2026545 AMAQI
18th Jul 2026556 AMAQI
18th Jul 2026587 AMAQI
18th Jul 2026578 AMAQI
18th Jul 2026679 AMAQI
18th Jul 20265610 AMAQI
18th Jul 20266211 AMAQI
18th Jul 20265512 PMAQI
18th Jul 2026531 PMAQI
18th Jul 2026532 PMAQI
18th Jul 2026483 PMAQI
18th Jul 2026514 PMAQI
18th Jul 2026445 PMAQI
18th Jul 2026466 PMAQI
18th Jul 2026447 PMAQI
18th Jul 2026508 PMAQI
18th Jul 2026579 PMAQI
18th Jul 20265710 PMAQI
18th Jul 20265811 PMAQI
19th Jul 20266212 AMAQI
19th Jul 2026591 AMAQI
19th Jul 2026632 AMAQI
19th Jul 2026653 AMAQI
19th Jul 2026644 AMAQI

23°C17/30°C

19th Jul 2026625 AMAQI
19th Jul 2026626 AMAQI
19th Jul 2026607 AMAQI
19th Jul 2026638 AMAQI
19th Jul 2026549 AMAQI
19th Jul 20264610 AMAQI
19th Jul 20264611 AMAQI
19th Jul 20265512 PMAQI
19th Jul 2026441 PMAQI
19th Jul 2026382 PMAQI
19th Jul 2026293 PMAQI
19th Jul 2026254 PMAQI
19th Jul 2026235 PMAQI
19th Jul 2026236 PMAQI
19th Jul 2026257 PMAQI
19th Jul 2026258 PMAQI
19th Jul 2026449 PMAQI
19th Jul 20264210 PMAQI
19th Jul 20265011 PMAQI
20th Jul 20264612 AMAQI
20th Jul 2026421 AMAQI
20th Jul 2026422 AMAQI
20th Jul 2026513 AMAQI
20th Jul 2026464 AMAQI

24°C18/31°C

20th Jul 2026485 AMAQI
20th Jul 2026526 AMAQI
20th Jul 2026527 AMAQI
20th Jul 2026588 AMAQI
20th Jul 2026679 AMAQI
20th Jul 20265410 AMAQI
20th Jul 20265611 AMAQI
20th Jul 20264812 PMAQI
20th Jul 2026421 PMAQI
20th Jul 2026402 PMAQI
20th Jul 2026313 PMAQI
20th Jul 2026254 PMAQI
20th Jul 2026215 PMAQI
20th Jul 2026236 PMAQI
20th Jul 2026237 PMAQI
20th Jul 2026218 PMAQI
20th Jul 2026429 PMAQI
20th Jul 20262310 PMAQI
20th Jul 20263311 PMAQI
21st Jul 20262312 AMAQI
21st Jul 2026211 AMAQI
21st Jul 2026232 AMAQI
21st Jul 2026273 AMAQI
21st Jul 2026294 AMAQI

22°C16/29°C

21st Jul 2026345 AMAQI
21st Jul 2026217 AMAQI
21st Jul 2026258 AMAQI
21st Jul 2026239 AMAQI
21st Jul 20262110 AMAQI
21st Jul 20262511 AMAQI
21st Jul 20262512 PMAQI
21st Jul 2026381 PMAQI
21st Jul 2026332 PMAQI
21st Jul 2026313 PMAQI
21st Jul 2026274 PMAQI
21st Jul 2026255 PMAQI
21st Jul 2026216 PMAQI
21st Jul 2026257 PMAQI
21st Jul 2026258 PMAQI
21st Jul 2026389 PMAQI
21st Jul 20262910 PMAQI
21st Jul 20263611 PMAQI
22nd Jul 20264612 AMAQI
22nd Jul 2026251 AMAQI
22nd Jul 2026292 AMAQI
22nd Jul 2026423 AMAQI
22nd Jul 2026314 AMAQI

21°C14/28°C

22nd Jul 2026235 AMAQI
22nd Jul 2026386 AMAQI
22nd Jul 2026307 AMAQI
22nd Jul 2026278 AMAQI
22nd Jul 2026219 AMAQI
22nd Jul 20262110 AMAQI
22nd Jul 20262511 AMAQI
22nd Jul 20262912 PMAQI
22nd Jul 2026361 PMAQI
22nd Jul 2026342 PMAQI
22nd Jul 2026273 PMAQI
22nd Jul 2026214 PMAQI
22nd Jul 2026215 PMAQI
22nd Jul 2026426 PMAQI
22nd Jul 2026647 PMAQI
22nd Jul 2026238 PMAQI
22nd Jul 2026239 PMAQI
22nd Jul 20263310 PMAQI
22nd Jul 20263111 PMAQI
23rd Jul 20262912 AMAQI
23rd Jul 2026231 AMAQI
23rd Jul 2026292 AMAQI
23rd Jul 2026293 AMAQI
23rd Jul 2026294 AMAQI

17°C13/23°C

23rd Jul 2026295 AMAQI
23rd Jul 2026216 AMAQI
23rd Jul 2026197 AMAQI
23rd Jul 2026218 AMAQI
23rd Jul 2026299 AMAQI
23rd Jul 20263110 AMAQI
23rd Jul 20264411 AMAQI
23rd Jul 20262912 PMAQI
23rd Jul 2026271 PMAQI
23rd Jul 2026292 PMAQI
23rd Jul 2026293 PMAQI
23rd Jul 2026294 PMAQI
23rd Jul 2026625 PMAQI
23rd Jul 2026296 PMAQI
23rd Jul 2026297 PMAQI
23rd Jul 2026318 PMAQI
23rd Jul 2026369 PMAQI
23rd Jul 20262110 PMAQI
23rd Jul 20264411 PMAQI
24th Jul 20264012 AMAQI
24th Jul 2026401 AMAQI
24th Jul 2026252 AMAQI
24th Jul 2026293 AMAQI
24th Jul 2026294 AMAQI

18°C10/25°C

24th Jul 2026295 AMAQI
24th Jul 2026276 AMAQI
24th Jul 2026257 AMAQI
24th Jul 2026258 AMAQI
24th Jul 2026259 AMAQI
24th Jul 20262510 AMAQI
24th Jul 20262511 AMAQI
24th Jul 20262512 PMAQI
24th Jul 2026251 PMAQI
24th Jul 2026262 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 2026279 PMAQI
24th Jul 20264210 PMAQI
24th Jul 20265611 PMAQI
25th Jul 20265612 AMAQI
25th Jul 2026571 AMAQI
25th Jul 2026312 AMAQI
25th Jul 2026363 AMAQI
25th Jul 2026364 AMAQI

16°C10/20°C

25th Jul 2026365 AMAQI
25th Jul 2026236 AMAQI
25th Jul 2026217 AMAQI
25th Jul 2026238 AMAQI
25th Jul 2026219 AMAQI
25th Jul 20262010 AMAQI
25th Jul 20261711 AMAQI
25th Jul 20261312 PMAQI
25th Jul 2026231 PMAQI
25th Jul 2026242 PMAQI
25th Jul 2026183 PMAQI
25th Jul 202684 PMAQI
25th Jul 202685 PMAQI
25th Jul 2026146 PMAQI
25th Jul 2026217 PMAQI
25th Jul 2026218 PMAQI
25th Jul 2026239 PMAQI
25th Jul 20262310 PMAQI
25th Jul 20263811 PMAQI
26th Jul 20264912 AMAQI
26th Jul 2026331 AMAQI
26th Jul 2026272 AMAQI
26th Jul 2026233 AMAQI
26th Jul 2026234 AMAQI

16°C8/24°C

26th Jul 2026235 AMAQI
26th Jul 2026366 AMAQI
26th Jul 2026257 AMAQI
26th Jul 2026388 AMAQI
26th Jul 2026299 AMAQI
26th Jul 20262510 AMAQI
26th Jul 20262811 AMAQI
26th Jul 20262212 PMAQI
26th Jul 2026251 PMAQI
26th Jul 2026232 PMAQI
26th Jul 2026273 PMAQI
26th Jul 2026294 PMAQI
26th Jul 2026295 PMAQI
26th Jul 2026256 PMAQI
26th Jul 2026257 PMAQI
26th Jul 2026278 PMAQI
26th Jul 2026339 PMAQI
26th Jul 20263610 PMAQI
26th Jul 20263011 PMAQI
27th Jul 20262712 AMAQI
27th Jul 2026581 AMAQI
27th Jul 2026232 AMAQI
27th Jul 2026503 AMAQI
27th Jul 2026234 AMAQI

20°C11/29°C

27th Jul 2026255 AMAQI
27th Jul 2026256 AMAQI
27th Jul 2026297 AMAQI
27th Jul 2026298 AMAQI
27th Jul 2026349 AMAQI
27th Jul 20264410 AMAQI
27th Jul 20266011 AMAQI
27th Jul 20265212 PMAQI
27th Jul 2026501 PMAQI
27th Jul 2026402 PMAQI
27th Jul 2026463 PMAQI
27th Jul 2026484 PMAQI
27th Jul 2026325 PMAQI
27th Jul 2026316 PMAQI
27th Jul 2026447 PMAQI
27th Jul 2026338 PMAQI
27th Jul 2026479 PMAQI
27th Jul 20265510 PMAQI
27th Jul 20265911 PMAQI
28th Jul 20265212 AMAQI
28th Jul 2026541 AMAQI
28th Jul 2026402 AMAQI
28th Jul 2026333 AMAQI
28th Jul 2026294 AMAQI

21°C16/28°C

28th Jul 2026255 AMAQI
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 2026292 PMAQI
28th Jul 2026253 PMAQI
28th Jul 2026344 PMAQI
28th Jul 2026295 PMAQI
28th Jul 2026296 PMAQI
28th Jul 2026337 PMAQI
28th Jul 2026298 PMAQI
28th Jul 2026299 PMAQI
28th Jul 20263110 PMAQI
28th Jul 20264211 PMAQI
29th Jul 20262312 AMAQI
29th Jul 2026231 AMAQI
29th Jul 2026212 AMAQI
29th Jul 2026423 AMAQI
29th Jul 2026364 AMAQI

20°C13/26°C

29th Jul 2026295 AMAQI
29th Jul 2026296 AMAQI
29th Jul 2026217 AMAQI
29th Jul 2026218 AMAQI
29th Jul 2026279 AMAQI
29th Jul 20262710 AMAQI
29th Jul 20262711 AMAQI
29th Jul 20263112 PMAQI
29th Jul 2026521 PMAQI
29th Jul 2026272 PMAQI
29th Jul 2026423 PMAQI
29th Jul 2026314 PMAQI
29th Jul 2026215 PMAQI
29th Jul 2026476 PMAQI
29th Jul 2026127 PMAQI
29th Jul 2026328 PMAQI
29th Jul 2026239 PMAQI
29th Jul 20262510 PMAQI
29th Jul 20264011 PMAQI
30th Jul 20265612 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026252 AMAQI
30th Jul 2026273 AMAQI
30th Jul 2026324 AMAQI

21°C13/29°C

30th Jul 2026255 AMAQI
30th Jul 2026236 AMAQI
30th Jul 2026467 AMAQI
30th Jul 2026338 AMAQI
30th Jul 2026319 AMAQI
30th Jul 20263610 AMAQI
30th Jul 20262511 AMAQI
30th Jul 20262512 PMAQI
30th Jul 2026251 PMAQI
30th Jul 2026292 PMAQI
30th Jul 2026253 PMAQI
30th Jul 2026234 PMAQI
30th Jul 2026255 PMAQI
30th Jul 2026256 PMAQI
30th Jul 2026257 PMAQI
30th Jul 2026348 PMAQI
30th Jul 2026389 PMAQI
30th Jul 20262310 PMAQI
30th Jul 20263411 PMAQI
31st Jul 20263012 AMAQI
31st Jul 2026251 AMAQI
31st Jul 2026312 AMAQI
31st Jul 2026253 AMAQI
31st Jul 2026254 AMAQI

22°C14/31°C

31st Jul 2026215 AMAQI
31st Jul 2026236 AMAQI
31st Jul 2026257 AMAQI
31st Jul 2026348 AMAQI
31st Jul 2026449 AMAQI
31st Jul 20265210 AMAQI
31st Jul 20264811 AMAQI
31st Jul 20263812 PMAQI
31st Jul 2026251 PMAQI
31st Jul 2026312 PMAQI
31st Jul 2026333 PMAQI
31st Jul 2026254 PMAQI
31st Jul 2026295 PMAQI
31st Jul 2026406 PMAQI
31st Jul 2026257 PMAQI
31st Jul 2026238 PMAQI
31st Jul 2026279 PMAQI
31st Jul 20264710 PMAQI
31st Jul 20265311 PMAQI
1st Aug 20265712 AMAQI
1st Aug 2026561 AMAQI
1st Aug 2026532 AMAQI
1st Aug 2026553 AMAQI
1st Aug 2026544 AMAQI

25°C16/35°C

1st Aug 2026535 AMAQI
1st Aug 2026466 AMAQI
1st Aug 2026547 AMAQI
1st Aug 2026538 AMAQI
1st Aug 2026569 AMAQI
1st Aug 20265610 AMAQI
1st Aug 20265811 AMAQI
1st Aug 20264812 PMAQI
1st Aug 2026421 PMAQI
1st Aug 2026402 PMAQI
1st Aug 2026363 PMAQI
1st Aug 2026334 PMAQI
1st Aug 2026215 PMAQI
1st Aug 2026256 PMAQI
1st Aug 2026257 PMAQI
1st Aug 2026218 PMAQI
1st Aug 2026319 PMAQI
1st Aug 20264610 PMAQI
1st Aug 20265411 PMAQI
2nd Aug 20265712 AMAQI
2nd Aug 2026511 AMAQI
2nd Aug 2026512 AMAQI
2nd Aug 2026533 AMAQI
2nd Aug 2026524 AMAQI

26°C18/35°C

2nd Aug 2026505 AMAQI
2nd Aug 2026486 AMAQI
2nd Aug 2026547 AMAQI
2nd Aug 2026538 AMAQI
2nd Aug 2026489 AMAQI
2nd Aug 20265210 AMAQI
2nd Aug 20265411 AMAQI
2nd Aug 20265412 PMAQI
2nd Aug 2026521 PMAQI
2nd Aug 2026522 PMAQI
2nd Aug 2026463 PMAQI
2nd Aug 2026444 PMAQI
2nd Aug 2026335 PMAQI
2nd Aug 2026336 PMAQI
2nd Aug 2026317 PMAQI
2nd Aug 2026528 PMAQI
2nd Aug 2026369 PMAQI
2nd Aug 20265810 PMAQI
2nd Aug 20264611 PMAQI
3rd Aug 20265212 AMAQI
3rd Aug 2026291 AMAQI
3rd Aug 2026512 AMAQI
3rd Aug 2026553 AMAQI
3rd Aug 2026574 AMAQI

26°C17/35°C

3rd Aug 2026545 AMAQI
3rd Aug 2026536 AMAQI
3rd Aug 2026577 AMAQI
3rd Aug 2026598 AMAQI
3rd Aug 2026529 AMAQI
3rd Aug 20265410 AMAQI
3rd Aug 20265011 AMAQI
3rd Aug 20264812 PMAQI
3rd Aug 2026421 PMAQI
3rd Aug 2026332 PMAQI
3rd Aug 2026383 PMAQI
3rd Aug 2026384 PMAQI
3rd Aug 2026505 PMAQI
3rd Aug 2026256 PMAQI
3rd Aug 2026407 PMAQI
3rd Aug 2026428 PMAQI
3rd Aug 2026469 PMAQI
3rd Aug 20265810 PMAQI
3rd Aug 20265611 PMAQI
4th Aug 20265512 AMAQI
4th Aug 2026211 AMAQI
4th Aug 2026252 AMAQI
4th Aug 2026423 AMAQI
4th Aug 2026424 AMAQI

26°C17/34°C

4th Aug 2026325 AMAQI
5 AM
4th Aug 2026296 AMAQI
4th Aug 2026277 AMAQI
4th Aug 2026298 AMAQI
4th Aug 2026249 AMAQI
4th Aug 20264010 AMAQI
4th Aug 20264011 AMAQI
4th Aug 20263812 PMAQI
4th Aug 2026271 PMAQI
1 PM
4th Aug 2026482 PMAQI
4th Aug 2026513 PMAQI
4th Aug 2026484 PMAQI
4th Aug 2026275 PMAQI
4th Aug 2026386 PMAQI
4th Aug 2026407 PMAQI
4th Aug 2026408 PMAQI
4th Aug 2026449 PMAQI
9 PM
4th Aug 20264210 PMAQI
4th Aug 20265011 PMAQI
1 AM
4 AM

27°C17/36°C

Day time
Avg. Highest Time
9 AM

39AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
5 PM

29AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 9 AM (Avg. 39), while the lowest AQI was between 5 PM to 5 PM (Avg. 29).
Night time
Avg. Highest Time
11 PM

42AQI

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

35AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 PM to 11 PM (Avg. 42), while the lowest AQI was between 2 AM to 2 AM (Avg. 35).

2026 Days Vs Air Quality

Strada Zefirului, Cluj Napoca, Cluj, Romania

2026

41%

87

41%

87

17%

35

1%

3

Total number of days with different AQI categories in last 216 days in 2026 (149 days remaining)

Good
87 Days
Moderate
87 Days
Poor
35 Days
Unhealthy
3 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 41%

Health Risk Level:

Significant

In 2026, 41% of 216 days were within WHO’s safe air quality limits, and 59% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.

Annual Air Quality Insights

Strada Zefirului, Cluj Napoca, Cluj, 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
72AQI (US)
2nd January 2026
72AQI (US)
3rd January 2026
58AQI (US)
4th January 2026
95AQI (US)
5th January 2026
89AQI (US)
6th January 2026
115AQI (US)
7th January 2026
73AQI (US)
8th January 2026
81AQI (US)
9th January 2026
80AQI (US)
10th January 2026
109AQI (US)
11th January 2026
66AQI (US)
12th January 2026
114AQI (US)
13th January 2026
104AQI (US)
14th January 2026
124AQI (US)
15th January 2026
146AQI (US)
16th January 2026
110AQI (US)
17th January 2026
78AQI (US)
18th January 2026
135AQI (US)
19th January 2026
140AQI (US)
20th January 2026
157AQI (US)
21st January 2026
161AQI (US)
22nd January 2026
167AQI (US)
23rd January 2026
137AQI (US)
24th January 2026
149AQI (US)
25th January 2026
122AQI (US)
26th January 2026
71AQI (US)
27th January 2026
114AQI (US)
28th January 2026
100AQI (US)
29th January 2026
138AQI (US)
30th January 2026
146AQI (US)
31st January 2026
110AQI (US)
1st February 2026
93AQI (US)
2nd February 2026
95AQI (US)
3rd February 2026
91AQI (US)
4th February 2026
116AQI (US)
5th February 2026
70AQI (US)
6th February 2026
59AQI (US)
7th February 2026
78AQI (US)
8th February 2026
104AQI (US)
9th February 2026
101AQI (US)
10th February 2026
71AQI (US)
11th February 2026
79AQI (US)
12th February 2026
92AQI (US)
13th February 2026
104AQI (US)
14th February 2026
70AQI (US)
15th February 2026
94AQI (US)
16th February 2026
89AQI (US)
17th February 2026
101AQI (US)
18th February 2026
88AQI (US)
19th February 2026
82AQI (US)
20th February 2026
75AQI (US)
21st February 2026
46AQI (US)
22nd February 2026
111AQI (US)
23rd February 2026
112AQI (US)
24th February 2026
82AQI (US)
25th February 2026
39AQI (US)
26th February 2026
55AQI (US)
27th February 2026
107AQI (US)
28th February 2026
123AQI (US)
1st March 2026
116AQI (US)
2nd March 2026
119AQI (US)
3rd March 2026
123AQI (US)
4th March 2026
108AQI (US)
5th March 2026
107AQI (US)
6th March 2026
59AQI (US)
7th March 2026
92AQI (US)
8th March 2026
107AQI (US)
9th March 2026
89AQI (US)
10th March 2026
87AQI (US)
11th March 2026
81AQI (US)
12th March 2026
94AQI (US)
13th March 2026
104AQI (US)
14th March 2026
97AQI (US)
15th March 2026
61AQI (US)
16th March 2026
85AQI (US)
17th March 2026
108AQI (US)
18th March 2026
109AQI (US)
19th March 2026
71AQI (US)
20th March 2026
64AQI (US)
21st March 2026
74AQI (US)
22nd March 2026
61AQI (US)
23rd March 2026
49AQI (US)
24th March 2026
77AQI (US)
25th March 2026
89AQI (US)
26th March 2026
94AQI (US)
27th March 2026
70AQI (US)
28th March 2026
63AQI (US)
29th March 2026
54AQI (US)
30th March 2026
80AQI (US)
31st March 2026
64AQI (US)
1st April 2026
73AQI (US)
2nd April 2026
82AQI (US)
3rd April 2026
112AQI (US)
4th April 2026
74AQI (US)
5th April 2026
65AQI (US)
6th April 2026
62AQI (US)
7th April 2026
36AQI (US)
8th April 2026
60AQI (US)
9th April 2026
55AQI (US)
10th April 2026
67AQI (US)
11th April 2026
70AQI (US)
12th April 2026
78AQI (US)
13th April 2026
87AQI (US)
14th April 2026
54AQI (US)
15th April 2026
81AQI (US)
16th April 2026
73AQI (US)
17th April 2026
18th April 2026
55AQI (US)
19th April 2026
48AQI (US)
20th April 2026
61AQI (US)
21st April 2026
50AQI (US)
22nd April 2026
23rd April 2026
31AQI (US)
24th April 2026
31AQI (US)
25th April 2026
56AQI (US)
26th April 2026
36AQI (US)
27th April 2026
27AQI (US)
28th April 2026
40AQI (US)
29th April 2026
43AQI (US)
30th April 2026
33AQI (US)
1st May 2026
51AQI (US)
2nd May 2026
47AQI (US)
3rd May 2026
41AQI (US)
4th May 2026
34AQI (US)
5th May 2026
33AQI (US)
6th May 2026
48AQI (US)
7th May 2026
68AQI (US)
8th May 2026
54AQI (US)
9th May 2026
10th May 2026
52AQI (US)
11th May 2026
37AQI (US)
12th May 2026
30AQI (US)
13th May 2026
47AQI (US)
14th May 2026
39AQI (US)
15th May 2026
43AQI (US)
16th May 2026
42AQI (US)
17th May 2026
51AQI (US)
18th May 2026
37AQI (US)
19th May 2026
34AQI (US)
20th May 2026
43AQI (US)
21st May 2026
59AQI (US)
22nd May 2026
61AQI (US)
23rd May 2026
39AQI (US)
24th May 2026
42AQI (US)
25th May 2026
43AQI (US)
26th May 2026
38AQI (US)
27th May 2026
24AQI (US)
28th May 2026
25AQI (US)
29th May 2026
27AQI (US)
30th May 2026
14AQI (US)
31st May 2026
27AQI (US)
1st June 2026
34AQI (US)
2nd June 2026
35AQI (US)
3rd June 2026
32AQI (US)
4th June 2026
54AQI (US)
5th June 2026
47AQI (US)
6th June 2026
52AQI (US)
7th June 2026
27AQI (US)
8th June 2026
18AQI (US)
9th June 2026
28AQI (US)
10th June 2026
41AQI (US)
11th June 2026
55AQI (US)
12th June 2026
41AQI (US)
13th June 2026
14AQI (US)
14th June 2026
11AQI (US)
15th June 2026
11AQI (US)
16th June 2026
22AQI (US)
17th June 2026
24AQI (US)
18th June 2026
27AQI (US)
19th June 2026
44AQI (US)
20th June 2026
57AQI (US)
21st June 2026
63AQI (US)
22nd June 2026
67AQI (US)
23rd June 2026
45AQI (US)
24th June 2026
40AQI (US)
25th June 2026
54AQI (US)
26th June 2026
41AQI (US)
27th June 2026
29AQI (US)
28th June 2026
72AQI (US)
29th June 2026
83AQI (US)
30th June 2026
89AQI (US)
1st July 2026
45AQI (US)
2nd July 2026
61AQI (US)
3rd July 2026
46AQI (US)
4th July 2026
19AQI (US)
5th July 2026
17AQI (US)
6th July 2026
26AQI (US)
7th July 2026
28AQI (US)
8th July 2026
28AQI (US)
9th July 2026
26AQI (US)
10th July 2026
29AQI (US)
11th July 2026
34AQI (US)
12th July 2026
40AQI (US)
13th July 2026
24AQI (US)
14th July 2026
37AQI (US)
15th July 2026
53AQI (US)
16th July 2026
33AQI (US)
17th July 2026
43AQI (US)
18th July 2026
55AQI (US)
19th July 2026
47AQI (US)
20th July 2026
41AQI (US)
21st July 2026
27AQI (US)
22nd July 2026
31AQI (US)
23rd July 2026
30AQI (US)
24th July 2026
29AQI (US)
25th July 2026
25AQI (US)
26th July 2026
29AQI (US)
27th July 2026
40AQI (US)
28th July 2026
33AQI (US)
29th July 2026
30AQI (US)
30th July 2026
30AQI (US)
31st July 2026
32AQI (US)
1st August 2026
45AQI (US)
2nd August 2026
48AQI (US)
3rd August 2026
47AQI (US)
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
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

111AQI (US)

87AQI (US)

86AQI (US)

59AQI (US)

41AQI (US)

42AQI (US)

34AQI (US)

47AQI (US)

No. of days

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

202665AQI (US)

12
16
3
2
17
9
1
21
9
10
17
1
23
7
20
10
28
3
3
87
87
35
3

Highest AQI (US) recorded in

January

111AQI (US)

Lowest AQI (US) recorded in

July

34AQI (US)

202549AQI (US)

31
28
7
24
30
31
26
4
31
31
30
7
24
2
26
2
2
22
4
3
197
159
6
3

Highest AQI (US) recorded in

December

85AQI (US)

Lowest AQI (US) recorded in

July

26AQI (US)

202455AQI (US)

6
16
2
20
7
12
18
1
28
2
31
27
3
20
11
28
3
3
8
2
1
23
6
31
155
122
32

Highest AQI (US) recorded in

January

100AQI (US)

Lowest AQI (US) recorded in

September

27AQI (US)

202383AQI (US)

2
14
9
1
2
2
23
6
5
39
15

Highest AQI (US) recorded in

January

88AQI (US)

Lowest AQI (US) recorded in

November

57AQI (US)

202274AQI (US)

4
25
5
3
24
3
29
8
24
3

Highest AQI (US) recorded in

December

121AQI (US)

Lowest AQI (US) recorded in

November

32AQI (US)

Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded
2023(Avg.)
83AQI (US)
Least Polluted Year Recorded
2025(Avg.)
49AQI (US)

Strada Zefirului's annual 2026 AQI (US) (65) shows an average percentage change of 4.2% (worsened AQI (US)) compared to previous years: 2022 (74), 2023 (83), 2024 (55), 2025 (49).