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
Cluj Napoca, Cluj, Romania
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2021
70AQILowest AQI recorded on
7th Aug 2021
8AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 27 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Cluj Napoca, Cluj, Romania
AQI
Day
Night
.
5 AM3rd Aug 2025
9 PM
4 AM4th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
9AM3rd Aug
31AQI
Avg. Lowest Time
7PM3rd Aug
27AQI
In the last 24 hours,
Cluj Napoca's AQI reached its highest point of 31 at 9 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Cluj Napoca, Cluj, Romania
JulAug
05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
5th Jul 2025435 AMAQI
5th Jul 2025426 AMAQI
5th Jul 2025407 AMAQI
5th Jul 2025368 AMAQI
5th Jul 2025339 AMAQI
5th Jul 20253210 AMAQI
5th Jul 20253011 AMAQI
5th Jul 20252912 PMAQI
5th Jul 2025291 PMAQI
5th Jul 2025292 PMAQI
5th Jul 2025303 PMAQI
5th Jul 2025304 PMAQI
5th Jul 2025305 PMAQI
5th Jul 2025296 PMAQI
5th Jul 2025307 PMAQI
5th Jul 2025308 PMAQI
5th Jul 2025299 PMAQI
5th Jul 20253010 PMAQI
5th Jul 20253211 PMAQI
6th Jul 20253212 AMAQI
6th Jul 2025341 AMAQI
6th Jul 2025352 AMAQI
6th Jul 2025333 AMAQI
6th Jul 2025324 AMAQI
22°C14/31°C
6th Jul 2025325 AMAQI
6th Jul 2025296 AMAQI
6th Jul 2025297 AMAQI
6th Jul 2025308 AMAQI
6th Jul 2025309 AMAQI
6th Jul 20253010 AMAQI
6th Jul 20252911 AMAQI
6th Jul 20252912 PMAQI
6th Jul 2025301 PMAQI
6th Jul 2025282 PMAQI
6th Jul 2025303 PMAQI
6th Jul 2025314 PMAQI
6th Jul 2025295 PMAQI
6th Jul 2025306 PMAQI
6th Jul 2025297 PMAQI
6th Jul 2025308 PMAQI
6th Jul 2025309 PMAQI
6th Jul 20253010 PMAQI
6th Jul 20253111 PMAQI
7th Jul 20253212 AMAQI
7th Jul 2025321 AMAQI
7th Jul 2025322 AMAQI
7th Jul 2025343 AMAQI
7th Jul 2025374 AMAQI
24°C13/33°C
7th Jul 2025385 AMAQI
7th Jul 2025416 AMAQI
7th Jul 2025397 AMAQI
7th Jul 2025418 AMAQI
7th Jul 2025419 AMAQI
7th Jul 20254210 AMAQI
7th Jul 20254311 AMAQI
7th Jul 20254212 PMAQI
7th Jul 2025451 PMAQI
7th Jul 2025472 PMAQI
7th Jul 2025433 PMAQI
7th Jul 2025414 PMAQI
7th Jul 2025405 PMAQI
7th Jul 2025386 PMAQI
7th Jul 2025397 PMAQI
7th Jul 2025388 PMAQI
7th Jul 2025389 PMAQI
7th Jul 20254010 PMAQI
7th Jul 20253911 PMAQI
8th Jul 20253712 AMAQI
8th Jul 2025361 AMAQI
8th Jul 2025372 AMAQI
8th Jul 2025433 AMAQI
8th Jul 2025484 AMAQI
25°C18/35°C
8th Jul 2025475 AMAQI
8th Jul 2025496 AMAQI
8th Jul 2025497 AMAQI
8th Jul 2025478 AMAQI
8th Jul 2025499 AMAQI
8th Jul 20254810 AMAQI
8th Jul 20254311 AMAQI
8th Jul 20254112 PMAQI
8th Jul 2025421 PMAQI
8th Jul 2025422 PMAQI
8th Jul 2025413 PMAQI
8th Jul 2025424 PMAQI
8th Jul 2025415 PMAQI
8th Jul 2025406 PMAQI
8th Jul 2025407 PMAQI
8th Jul 2025388 PMAQI
8th Jul 2025389 PMAQI
8th Jul 20253810 PMAQI
8th Jul 20253711 PMAQI
9th Jul 20253812 AMAQI
9th Jul 2025421 AMAQI
9th Jul 2025422 AMAQI
9th Jul 2025343 AMAQI
9th Jul 2025364 AMAQI
23°C14/34°C
9th Jul 2025375 AMAQI
9th Jul 2025376 AMAQI
9th Jul 2025367 AMAQI
9th Jul 2025388 AMAQI
9th Jul 2025389 AMAQI
9th Jul 20253910 AMAQI
9th Jul 20254111 AMAQI
9th Jul 20254112 PMAQI
9th Jul 2025401 PMAQI
9th Jul 2025362 PMAQI
9th Jul 2025373 PMAQI
9th Jul 2025344 PMAQI
9th Jul 2025335 PMAQI
9th Jul 2025346 PMAQI
9th Jul 2025357 PMAQI
9th Jul 2025368 PMAQI
9th Jul 2025379 PMAQI
9th Jul 20253810 PMAQI
9th Jul 20253611 PMAQI
10th Jul 20253512 AMAQI
10th Jul 2025381 AMAQI
10th Jul 2025382 AMAQI
10th Jul 2025263 AMAQI
10th Jul 2025234 AMAQI
16°C13/21°C
10th Jul 2025235 AMAQI
10th Jul 2025256 AMAQI
10th Jul 2025277 AMAQI
10th Jul 2025268 AMAQI
10th Jul 2025279 AMAQI
10th Jul 20252810 AMAQI
10th Jul 20253011 AMAQI
10th Jul 20253212 PMAQI
10th Jul 2025321 PMAQI
10th Jul 2025312 PMAQI
10th Jul 2025303 PMAQI
10th Jul 2025294 PMAQI
10th Jul 2025295 PMAQI
10th Jul 2025296 PMAQI
10th Jul 2025287 PMAQI
10th Jul 2025288 PMAQI
10th Jul 2025289 PMAQI
10th Jul 20252810 PMAQI
10th Jul 20252911 PMAQI
11th Jul 20253012 AMAQI
11th Jul 2025321 AMAQI
11th Jul 2025342 AMAQI
11th Jul 2025283 AMAQI
11th Jul 2025284 AMAQI
14°C12/16°C
11th Jul 2025285 AMAQI
11th Jul 2025276 AMAQI
11th Jul 2025317 AMAQI
11th Jul 2025318 AMAQI
11th Jul 2025319 AMAQI
11th Jul 20253210 AMAQI
11th Jul 20253311 AMAQI
11th Jul 20253212 PMAQI
11th Jul 2025351 PMAQI
11th Jul 2025352 PMAQI
11th Jul 2025323 PMAQI
11th Jul 2025304 PMAQI
11th Jul 2025305 PMAQI
11th Jul 2025296 PMAQI
11th Jul 2025287 PMAQI
11th Jul 2025288 PMAQI
11th Jul 2025289 PMAQI
11th Jul 20253010 PMAQI
11th Jul 20253111 PMAQI
12th Jul 20253212 AMAQI
12th Jul 2025341 AMAQI
12th Jul 2025332 AMAQI
12th Jul 2025323 AMAQI
12th Jul 2025314 AMAQI
16°C12/21°C
12th Jul 2025325 AMAQI
12th Jul 2025316 AMAQI
12th Jul 2025327 AMAQI
12th Jul 2025348 AMAQI
12th Jul 2025349 AMAQI
12th Jul 20253410 AMAQI
12th Jul 20253611 AMAQI
12th Jul 20253212 PMAQI
12th Jul 2025291 PMAQI
12th Jul 2025272 PMAQI
12th Jul 2025273 PMAQI
12th Jul 2025274 PMAQI
12th Jul 2025265 PMAQI
12th Jul 2025276 PMAQI
12th Jul 2025267 PMAQI
12th Jul 2025278 PMAQI
12th Jul 2025289 PMAQI
12th Jul 20252810 PMAQI
12th Jul 20252811 PMAQI
13th Jul 20253112 AMAQI
13th Jul 2025331 AMAQI
13th Jul 2025342 AMAQI
13th Jul 2025313 AMAQI
13th Jul 2025304 AMAQI
17°C10/24°C
13th Jul 2025305 AMAQI
13th Jul 2025316 AMAQI
13th Jul 2025337 AMAQI
13th Jul 2025318 AMAQI
13th Jul 2025339 AMAQI
13th Jul 20253510 AMAQI
13th Jul 20253611 AMAQI
13th Jul 20253412 PMAQI
13th Jul 2025361 PMAQI
13th Jul 2025352 PMAQI
13th Jul 2025303 PMAQI
13th Jul 2025294 PMAQI
13th Jul 2025305 PMAQI
13th Jul 2025316 PMAQI
13th Jul 2025317 PMAQI
13th Jul 2025318 PMAQI
13th Jul 2025319 PMAQI
13th Jul 20253310 PMAQI
13th Jul 20253311 PMAQI
14th Jul 20253212 AMAQI
14th Jul 2025321 AMAQI
14th Jul 2025312 AMAQI
14th Jul 2025393 AMAQI
14th Jul 2025434 AMAQI
20°C12/27°C
14th Jul 2025445 AMAQI
14th Jul 2025436 AMAQI
14th Jul 2025417 AMAQI
14th Jul 2025448 AMAQI
14th Jul 2025429 AMAQI
14th Jul 20254310 AMAQI
14th Jul 20254411 AMAQI
14th Jul 20254212 PMAQI
14th Jul 2025411 PMAQI
14th Jul 2025392 PMAQI
14th Jul 2025383 PMAQI
14th Jul 2025364 PMAQI
14th Jul 2025355 PMAQI
14th Jul 2025346 PMAQI
14th Jul 2025337 PMAQI
14th Jul 2025338 PMAQI
14th Jul 2025349 PMAQI
14th Jul 20253510 PMAQI
14th Jul 20253911 PMAQI
15th Jul 20253912 AMAQI
15th Jul 2025371 AMAQI
15th Jul 2025382 AMAQI
15th Jul 2025393 AMAQI
15th Jul 2025414 AMAQI
22°C16/28°C
15th Jul 2025415 AMAQI
15th Jul 2025416 AMAQI
15th Jul 2025457 AMAQI
15th Jul 2025458 AMAQI
15th Jul 2025479 AMAQI
15th Jul 20254310 AMAQI
15th Jul 20254111 AMAQI
15th Jul 20253912 PMAQI
15th Jul 2025361 PMAQI
15th Jul 2025352 PMAQI
15th Jul 2025363 PMAQI
15th Jul 2025364 PMAQI
15th Jul 2025365 PMAQI
15th Jul 2025376 PMAQI
15th Jul 2025387 PMAQI
15th Jul 2025378 PMAQI
15th Jul 2025379 PMAQI
15th Jul 20253910 PMAQI
15th Jul 20253811 PMAQI
16th Jul 20253912 AMAQI
16th Jul 2025401 AMAQI
16th Jul 2025402 AMAQI
16th Jul 2025383 AMAQI
16th Jul 2025384 AMAQI
21°C16/29°C
16th Jul 2025405 AMAQI
16th Jul 2025386 AMAQI
16th Jul 2025387 AMAQI
16th Jul 2025398 AMAQI
16th Jul 2025409 AMAQI
16th Jul 20254010 AMAQI
16th Jul 20253911 AMAQI
16th Jul 20253712 PMAQI
16th Jul 2025351 PMAQI
16th Jul 2025392 PMAQI
16th Jul 2025373 PMAQI
16th Jul 2025364 PMAQI
16th Jul 2025365 PMAQI
16th Jul 2025366 PMAQI
16th Jul 2025357 PMAQI
16th Jul 2025368 PMAQI
16th Jul 2025369 PMAQI
16th Jul 20253610 PMAQI
16th Jul 20253711 PMAQI
17th Jul 20253712 AMAQI
17th Jul 2025391 AMAQI
17th Jul 2025382 AMAQI
17th Jul 2025343 AMAQI
17th Jul 2025344 AMAQI
20°C15/26°C
17th Jul 2025345 AMAQI
17th Jul 2025366 AMAQI
17th Jul 2025357 AMAQI
17th Jul 2025348 AMAQI
17th Jul 2025379 AMAQI
17th Jul 20253310 AMAQI
17th Jul 20253311 AMAQI
17th Jul 20253412 PMAQI
17th Jul 2025321 PMAQI
17th Jul 2025342 PMAQI
17th Jul 2025333 PMAQI
17th Jul 2025314 PMAQI
17th Jul 2025325 PMAQI
17th Jul 2025326 PMAQI
17th Jul 2025327 PMAQI
17th Jul 2025328 PMAQI
17th Jul 2025329 PMAQI
17th Jul 20253310 PMAQI
17th Jul 20253111 PMAQI
18th Jul 20253112 AMAQI
18th Jul 2025311 AMAQI
18th Jul 2025312 AMAQI
18th Jul 2025213 AMAQI
18th Jul 2025164 AMAQI
17°C12/24°C
18th Jul 2025175 AMAQI
18th Jul 2025186 AMAQI
18th Jul 2025237 AMAQI
18th Jul 2025248 AMAQI
18th Jul 2025249 AMAQI
18th Jul 20252410 AMAQI
18th Jul 20252511 AMAQI
18th Jul 20252512 PMAQI
18th Jul 2025281 PMAQI
18th Jul 2025252 PMAQI
18th Jul 2025263 PMAQI
18th Jul 2025254 PMAQI
18th Jul 2025255 PMAQI
18th Jul 2025256 PMAQI
18th Jul 2025257 PMAQI
18th Jul 2025258 PMAQI
18th Jul 2025259 PMAQI
18th Jul 20252410 PMAQI
18th Jul 20252511 PMAQI
19th Jul 20252512 AMAQI
19th Jul 2025251 AMAQI
19th Jul 2025252 AMAQI
19th Jul 2025213 AMAQI
19th Jul 2025234 AMAQI
15°C11/20°C
19th Jul 2025245 AMAQI
19th Jul 2025276 AMAQI
19th Jul 2025267 AMAQI
19th Jul 2025268 AMAQI
19th Jul 2025279 AMAQI
19th Jul 20252710 AMAQI
19th Jul 20252511 AMAQI
19th Jul 20252312 PMAQI
19th Jul 2025241 PMAQI
19th Jul 2025232 PMAQI
19th Jul 2025243 PMAQI
19th Jul 2025234 PMAQI
19th Jul 2025235 PMAQI
19th Jul 2025236 PMAQI
19th Jul 2025237 PMAQI
19th Jul 2025238 PMAQI
19th Jul 2025249 PMAQI
19th Jul 20252410 PMAQI
19th Jul 20252411 PMAQI
20th Jul 20252512 AMAQI
20th Jul 2025261 AMAQI
20th Jul 2025262 AMAQI
20th Jul 2025243 AMAQI
20th Jul 2025244 AMAQI
18°C11/24°C
20th Jul 2025235 AMAQI
20th Jul 2025216 AMAQI
20th Jul 2025237 AMAQI
20th Jul 2025228 AMAQI
20th Jul 2025229 AMAQI
20th Jul 20252310 AMAQI
20th Jul 20252411 AMAQI
20th Jul 20252312 PMAQI
20th Jul 2025221 PMAQI
20th Jul 2025232 PMAQI
20th Jul 2025233 PMAQI
20th Jul 2025234 PMAQI
20th Jul 2025235 PMAQI
20th Jul 2025236 PMAQI
20th Jul 2025247 PMAQI
20th Jul 2025248 PMAQI
20th Jul 2025259 PMAQI
20th Jul 20252610 PMAQI
20th Jul 20252611 PMAQI
21st Jul 20252612 AMAQI
21st Jul 2025251 AMAQI
21st Jul 2025252 AMAQI
21st Jul 2025393 AMAQI
21st Jul 2025454 AMAQI
21°C14/28°C
21st Jul 2025475 AMAQI
21st Jul 2025486 AMAQI
21st Jul 2025407 AMAQI
21st Jul 2025408 AMAQI
21st Jul 2025389 AMAQI
21st Jul 20253910 AMAQI
21st Jul 20253411 AMAQI
21st Jul 20253012 PMAQI
21st Jul 2025291 PMAQI
21st Jul 2025282 PMAQI
21st Jul 2025323 PMAQI
21st Jul 2025324 PMAQI
21st Jul 2025325 PMAQI
21st Jul 2025336 PMAQI
21st Jul 2025347 PMAQI
21st Jul 2025348 PMAQI
21st Jul 2025369 PMAQI
21st Jul 20253510 PMAQI
21st Jul 20253711 PMAQI
22nd Jul 20253612 AMAQI
22nd Jul 2025361 AMAQI
22nd Jul 2025362 AMAQI
22nd Jul 2025433 AMAQI
22nd Jul 2025454 AMAQI
23°C16/31°C
22nd Jul 2025455 AMAQI
22nd Jul 2025436 AMAQI
22nd Jul 2025397 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025369 AMAQI
22nd Jul 20253010 AMAQI
22nd Jul 20252911 AMAQI
22nd Jul 20252912 PMAQI
22nd Jul 2025281 PMAQI
22nd Jul 2025282 PMAQI
22nd Jul 2025333 PMAQI
22nd Jul 2025364 PMAQI
22nd Jul 2025345 PMAQI
22nd Jul 2025346 PMAQI
22nd Jul 2025357 PMAQI
22nd Jul 2025358 PMAQI
22nd Jul 2025359 PMAQI
22nd Jul 20253210 PMAQI
22nd Jul 20253311 PMAQI
23rd Jul 20253712 AMAQI
23rd Jul 2025401 AMAQI
23rd Jul 2025402 AMAQI
23rd Jul 2025273 AMAQI
23rd Jul 2025234 AMAQI
24°C18/30°C
23rd Jul 2025245 AMAQI
23rd Jul 2025276 AMAQI
23rd Jul 2025297 AMAQI
23rd Jul 2025288 AMAQI
23rd Jul 2025279 AMAQI
23rd Jul 20252710 AMAQI
23rd Jul 20252511 AMAQI
23rd Jul 20252312 PMAQI
23rd Jul 2025241 PMAQI
23rd Jul 2025242 PMAQI
23rd Jul 2025273 PMAQI
23rd Jul 2025284 PMAQI
23rd Jul 2025295 PMAQI
23rd Jul 2025296 PMAQI
23rd Jul 2025297 PMAQI
23rd Jul 2025288 PMAQI
23rd Jul 2025299 PMAQI
23rd Jul 20252910 PMAQI
23rd Jul 20252811 PMAQI
24th Jul 20252912 AMAQI
24th Jul 2025311 AMAQI
24th Jul 2025322 AMAQI
24th Jul 2025223 AMAQI
24th Jul 2025194 AMAQI
23°C15/29°C
24th Jul 2025205 AMAQI
24th Jul 2025196 AMAQI
24th Jul 2025247 AMAQI
24th Jul 2025228 AMAQI
24th Jul 2025229 AMAQI
24th Jul 20252210 AMAQI
24th Jul 20252311 AMAQI
24th Jul 20252112 PMAQI
24th Jul 2025211 PMAQI
24th Jul 2025232 PMAQI
24th Jul 2025233 PMAQI
24th Jul 2025234 PMAQI
24th Jul 2025245 PMAQI
24th Jul 2025246 PMAQI
24th Jul 2025247 PMAQI
24th Jul 2025248 PMAQI
24th Jul 2025249 PMAQI
24th Jul 20252610 PMAQI
24th Jul 20252511 PMAQI
25th Jul 20252512 AMAQI
25th Jul 2025251 AMAQI
25th Jul 2025252 AMAQI
25th Jul 2025313 AMAQI
25th Jul 2025334 AMAQI
24°C17/32°C
25th Jul 2025335 AMAQI
25th Jul 2025336 AMAQI
25th Jul 2025307 AMAQI
25th Jul 2025328 AMAQI
25th Jul 2025339 AMAQI
25th Jul 20253410 AMAQI
25th Jul 20253411 AMAQI
25th Jul 20253512 PMAQI
25th Jul 2025351 PMAQI
25th Jul 2025312 PMAQI
25th Jul 2025293 PMAQI
25th Jul 2025284 PMAQI
25th Jul 2025265 PMAQI
25th Jul 2025256 PMAQI
25th Jul 2025257 PMAQI
25th Jul 2025268 PMAQI
25th Jul 2025279 PMAQI
25th Jul 20252710 PMAQI
25th Jul 20252811 PMAQI
26th Jul 20252912 AMAQI
26th Jul 2025301 AMAQI
26th Jul 2025302 AMAQI
26th Jul 2025313 AMAQI
26th Jul 2025314 AMAQI
26°C18/34°C
26th Jul 2025335 AMAQI
26th Jul 2025336 AMAQI
26th Jul 2025337 AMAQI
26th Jul 2025328 AMAQI
26th Jul 2025329 AMAQI
26th Jul 20253410 AMAQI
26th Jul 20253511 AMAQI
26th Jul 20253612 PMAQI
26th Jul 2025381 PMAQI
26th Jul 2025372 PMAQI
26th Jul 2025323 PMAQI
26th Jul 2025314 PMAQI
26th Jul 2025315 PMAQI
26th Jul 2025316 PMAQI
26th Jul 2025317 PMAQI
26th Jul 2025318 PMAQI
26th Jul 2025309 PMAQI
26th Jul 20253010 PMAQI
26th Jul 20253211 PMAQI
27th Jul 20253312 AMAQI
27th Jul 2025331 AMAQI
27th Jul 2025332 AMAQI
27th Jul 2025343 AMAQI
27th Jul 2025334 AMAQI
25°C19/37°C
27th Jul 2025325 AMAQI
27th Jul 2025316 AMAQI
27th Jul 2025317 AMAQI
27th Jul 2025328 AMAQI
27th Jul 2025309 AMAQI
27th Jul 20252810 AMAQI
27th Jul 20252611 AMAQI
27th Jul 20252512 PMAQI
27th Jul 2025271 PMAQI
27th Jul 2025272 PMAQI
27th Jul 2025293 PMAQI
27th Jul 2025294 PMAQI
27th Jul 2025295 PMAQI
27th Jul 2025286 PMAQI
27th Jul 2025287 PMAQI
27th Jul 2025288 PMAQI
27th Jul 2025289 PMAQI
27th Jul 20252810 PMAQI
27th Jul 20252811 PMAQI
28th Jul 20252912 AMAQI
28th Jul 2025321 AMAQI
28th Jul 2025322 AMAQI
28th Jul 2025213 AMAQI
28th Jul 2025184 AMAQI
20°C17/27°C
28th Jul 2025175 AMAQI
28th Jul 2025186 AMAQI
28th Jul 2025237 AMAQI
28th Jul 2025268 AMAQI
28th Jul 2025289 AMAQI
28th Jul 20252910 AMAQI
28th Jul 20252811 AMAQI
28th Jul 20252712 PMAQI
28th Jul 2025251 PMAQI
28th Jul 2025272 PMAQI
28th Jul 2025253 PMAQI
28th Jul 2025244 PMAQI
28th Jul 2025245 PMAQI
28th Jul 2025246 PMAQI
28th Jul 2025247 PMAQI
28th Jul 2025248 PMAQI
28th Jul 2025249 PMAQI
28th Jul 20252410 PMAQI
28th Jul 20252311 PMAQI
29th Jul 20252412 AMAQI
29th Jul 2025261 AMAQI
29th Jul 2025272 AMAQI
29th Jul 2025243 AMAQI
29th Jul 2025194 AMAQI
20°C14/27°C
29th Jul 2025175 AMAQI
29th Jul 2025176 AMAQI
29th Jul 2025237 AMAQI
29th Jul 2025218 AMAQI
29th Jul 2025239 AMAQI
29th Jul 20252510 AMAQI
29th Jul 20252311 AMAQI
29th Jul 20252112 PMAQI
29th Jul 2025201 PMAQI
29th Jul 2025202 PMAQI
29th Jul 2025213 PMAQI
29th Jul 2025214 PMAQI
29th Jul 2025225 PMAQI
29th Jul 2025226 PMAQI
29th Jul 2025227 PMAQI
29th Jul 2025228 PMAQI
29th Jul 2025229 PMAQI
29th Jul 20252310 PMAQI
29th Jul 20252211 PMAQI
30th Jul 20252312 AMAQI
30th Jul 2025241 AMAQI
30th Jul 2025232 AMAQI
30th Jul 2025203 AMAQI
30th Jul 2025204 AMAQI
19°C14/24°C
30th Jul 2025215 AMAQI
30th Jul 2025226 AMAQI
30th Jul 2025227 AMAQI
30th Jul 2025228 AMAQI
30th Jul 2025249 AMAQI
30th Jul 20252410 AMAQI
30th Jul 20252811 AMAQI
30th Jul 20252612 PMAQI
30th Jul 2025231 PMAQI
30th Jul 2025222 PMAQI
30th Jul 2025213 PMAQI
30th Jul 2025214 PMAQI
30th Jul 2025215 PMAQI
30th Jul 2025216 PMAQI
30th Jul 2025217 PMAQI
30th Jul 2025218 PMAQI
30th Jul 2025219 PMAQI
30th Jul 20252510 PMAQI
30th Jul 20252511 PMAQI
31st Jul 20252512 AMAQI
31st Jul 2025251 AMAQI
31st Jul 2025252 AMAQI
31st Jul 2025253 AMAQI
31st Jul 2025254 AMAQI
17°C14/23°C
31st Jul 2025235 AMAQI
31st Jul 2025226 AMAQI
31st Jul 2025257 AMAQI
31st Jul 2025248 AMAQI
31st Jul 2025249 AMAQI
31st Jul 20252310 AMAQI
31st Jul 20252211 AMAQI
31st Jul 20252212 PMAQI
31st Jul 2025211 PMAQI
31st Jul 2025212 PMAQI
31st Jul 2025253 PMAQI
31st Jul 2025284 PMAQI
31st Jul 2025275 PMAQI
31st Jul 2025286 PMAQI
31st Jul 2025277 PMAQI
31st Jul 2025278 PMAQI
31st Jul 2025269 PMAQI
31st Jul 20252510 PMAQI
31st Jul 20252511 PMAQI
1st Aug 20252512 AMAQI
1st Aug 2025241 AMAQI
1st Aug 2025242 AMAQI
1st Aug 2025273 AMAQI
1st Aug 2025244 AMAQI
19°C13/25°C
1st Aug 2025265 AMAQI
1st Aug 2025286 AMAQI
1st Aug 2025267 AMAQI
1st Aug 2025258 AMAQI
1st Aug 2025259 AMAQI
1st Aug 20252610 AMAQI
1st Aug 20252511 AMAQI
1st Aug 20252312 PMAQI
1st Aug 2025231 PMAQI
1st Aug 2025262 PMAQI
1st Aug 2025253 PMAQI
1st Aug 2025264 PMAQI
1st Aug 2025255 PMAQI
1st Aug 2025266 PMAQI
1st Aug 2025267 PMAQI
1st Aug 2025268 PMAQI
1st Aug 2025259 PMAQI
1st Aug 20252610 PMAQI
1st Aug 20252611 PMAQI
2nd Aug 20252712 AMAQI
2nd Aug 2025261 AMAQI
2nd Aug 2025262 AMAQI
2nd Aug 2025273 AMAQI
2nd Aug 2025294 AMAQI
19°C12/26°C
2nd Aug 2025275 AMAQI
2nd Aug 2025266 AMAQI
2nd Aug 2025287 AMAQI
2nd Aug 2025298 AMAQI
2nd Aug 2025339 AMAQI
2nd Aug 20253210 AMAQI
2nd Aug 20252711 AMAQI
2nd Aug 20252612 PMAQI
2nd Aug 2025271 PMAQI
2nd Aug 2025272 PMAQI
2nd Aug 2025263 PMAQI
2nd Aug 2025274 PMAQI
2nd Aug 2025285 PMAQI
2nd Aug 2025276 PMAQI
2nd Aug 2025287 PMAQI
2nd Aug 2025298 PMAQI
2nd Aug 2025289 PMAQI
2nd Aug 20252910 PMAQI
2nd Aug 20252911 PMAQI
3rd Aug 20252912 AMAQI
3rd Aug 2025281 AMAQI
3rd Aug 2025322 AMAQI
3rd Aug 2025283 AMAQI
3rd Aug 2025274 AMAQI
20°C13/28°C
3rd Aug 2025275 AMAQI
3rd Aug 2025286 AMAQI
3rd Aug 2025277 AMAQI
3rd Aug 2025278 AMAQI
3rd Aug 2025319 AMAQI
3rd Aug 20252810 AMAQI
3rd Aug 20252911 AMAQI
3rd Aug 20253012 PMAQI
3rd Aug 2025281 PMAQI
3rd Aug 2025292 PMAQI
3rd Aug 2025273 PMAQI
3rd Aug 2025274 PMAQI
3rd Aug 2025275 PMAQI
3rd Aug 2025286 PMAQI
3rd Aug 2025277 PMAQI
3rd Aug 2025298 PMAQI
3rd Aug 2025299 PMAQI
3rd Aug 20252810 PMAQI
3rd Aug 20252811 PMAQI
4th Aug 20252812 AMAQI
--°C/°C
5 AM
1 PM
9 PM
1 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 9 PM
30AQI
17 hours / Day
510 hours / Month
Avg. Lowest Time
5 AM - 9 PM
30AQI
17 hours / Day
510 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 9 PM (Avg. 30), while the lowest AQI was between 5 AM to 9 PM (Avg. 30).
Night time
Avg. Highest Time
12 AM - 11 PM
31AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
12 AM - 11 PM
31AQI
7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 31), while the lowest AQI was between 12 AM to 11 PM (Avg. 31).
2025 Days Vs Air Quality
Cluj Napoca, Cluj, Romania
2025
59%
126
41%
88
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
126 DaysModerate
88 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 59%
Health Risk Level:
Considerable
In 2025, 59% of 215 days were within WHO’s safe air quality limits, and 41% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
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.
1st January 2025
62AQI
62AQI
2nd January 2025
65AQI
65AQI
3rd January 2025
61AQI
61AQI
4th January 2025
59AQI
59AQI
5th January 2025
59AQI
59AQI
6th January 2025
57AQI
57AQI
7th January 2025
58AQI
58AQI
8th January 2025
59AQI
59AQI
9th January 2025
58AQI
58AQI
10th January 2025
56AQI
56AQI
11th January 2025
55AQI
55AQI
12th January 2025
53AQI
53AQI
13th January 2025
52AQI
52AQI
14th January 2025
54AQI
54AQI
15th January 2025
57AQI
57AQI
16th January 2025
57AQI
57AQI
17th January 2025
58AQI
58AQI
18th January 2025
60AQI
60AQI
19th January 2025
59AQI
59AQI
20th January 2025
60AQI
60AQI
21st January 2025
61AQI
61AQI
22nd January 2025
61AQI
61AQI
23rd January 2025
62AQI
62AQI
24th January 2025
61AQI
61AQI
25th January 2025
60AQI
60AQI
26th January 2025
60AQI
60AQI
27th January 2025
60AQI
60AQI
28th January 2025
59AQI
59AQI
29th January 2025
59AQI
59AQI
30th January 2025
59AQI
59AQI
31st January 2025
61AQI
61AQI
1st February 2025
60AQI
60AQI
2nd February 2025
61AQI
61AQI
3rd February 2025
60AQI
60AQI
4th February 2025
60AQI
60AQI
5th February 2025
60AQI
60AQI
6th February 2025
60AQI
60AQI
7th February 2025
60AQI
60AQI
8th February 2025
60AQI
60AQI
9th February 2025
60AQI
60AQI
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
61AQI
61AQI
17th February 2025
62AQI
62AQI
18th February 2025
62AQI
62AQI
19th February 2025
62AQI
62AQI
20th February 2025
61AQI
61AQI
21st February 2025
61AQI
61AQI
22nd February 2025
61AQI
61AQI
23rd February 2025
60AQI
60AQI
24th February 2025
61AQI
61AQI
25th February 2025
61AQI
61AQI
26th February 2025
62AQI
62AQI
27th February 2025
61AQI
61AQI
28th February 2025
61AQI
61AQI
1st March 2025
61AQI
61AQI
2nd March 2025
60AQI
60AQI
3rd March 2025
60AQI
60AQI
4th March 2025
59AQI
59AQI
5th March 2025
59AQI
59AQI
6th March 2025
59AQI
59AQI
7th March 2025
58AQI
58AQI
8th March 2025
58AQI
58AQI
9th March 2025
59AQI
59AQI
10th March 2025
60AQI
60AQI
11th March 2025
60AQI
60AQI
12th March 2025
58AQI
58AQI
13th March 2025
56AQI
56AQI
14th March 2025
55AQI
55AQI
15th March 2025
54AQI
54AQI
16th March 2025
51AQI
51AQI
17th March 2025
50AQI
50AQI
18th March 2025
47AQI
47AQI
19th March 2025
47AQI
47AQI
20th March 2025
48AQI
48AQI
21st March 2025
49AQI
49AQI
22nd March 2025
52AQI
52AQI
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
51AQI
51AQI
31st March 2025
50AQI
50AQI
1st April 2025
50AQI
50AQI
2nd April 2025
49AQI
49AQI
3rd April 2025
49AQI
49AQI
4th April 2025
48AQI
48AQI
5th April 2025
47AQI
47AQI
6th April 2025
45AQI
45AQI
7th April 2025
43AQI
43AQI
8th April 2025
42AQI
42AQI
9th April 2025
41AQI
41AQI
10th April 2025
40AQI
40AQI
11th April 2025
40AQI
40AQI
12th April 2025
39AQI
39AQI
13th April 2025
39AQI
39AQI
14th April 2025
37AQI
37AQI
15th April 2025
36AQI
36AQI
16th April 2025
36AQI
36AQI
17th April 2025
36AQI
36AQI
18th April 2025
36AQI
36AQI
19th April 2025
34AQI
34AQI
20th April 2025
34AQI
34AQI
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
29AQI
29AQI
30th April 2025
29AQI
29AQI
1st May 2025
30AQI
30AQI
2nd May 2025
33AQI
33AQI
3rd May 2025
37AQI
37AQI
4th May 2025
42AQI
42AQI
5th May 2025
43AQI
43AQI
6th May 2025
42AQI
42AQI
7th May 2025
40AQI
40AQI
8th May 2025
39AQI
39AQI
9th May 2025
41AQI
41AQI
10th May 2025
38AQI
38AQI
11th May 2025
30AQI
30AQI
12th May 2025
41AQI
41AQI
13th May 2025
40AQI
40AQI
14th May 2025
37AQI
37AQI
15th May 2025
39AQI
39AQI
16th May 2025
33AQI
33AQI
17th May 2025
32AQI
32AQI
18th May 2025
32AQI
32AQI
19th May 2025
31AQI
31AQI
20th May 2025
35AQI
35AQI
21st May 2025
36AQI
36AQI
22nd May 2025
43AQI
43AQI
23rd May 2025
44AQI
44AQI
24th May 2025
33AQI
33AQI
25th May 2025
30AQI
30AQI
26th May 2025
26AQI
26AQI
27th May 2025
31AQI
31AQI
28th May 2025
26AQI
26AQI
29th May 2025
32AQI
32AQI
30th May 2025
31AQI
31AQI
31st May 2025
32AQI
32AQI
1st June 2025
34AQI
34AQI
2nd June 2025
34AQI
34AQI
3rd June 2025
36AQI
36AQI
4th June 2025
36AQI
36AQI
5th June 2025
43AQI
43AQI
6th June 2025
52AQI
52AQI
7th June 2025
54AQI
54AQI
8th June 2025
54AQI
54AQI
9th June 2025
47AQI
47AQI
10th June 2025
50AQI
50AQI
11th June 2025
58AQI
58AQI
12th June 2025
46AQI
46AQI
13th June 2025
40AQI
40AQI
14th June 2025
36AQI
36AQI
15th June 2025
38AQI
38AQI
16th June 2025
38AQI
38AQI
17th June 2025
44AQI
44AQI
18th June 2025
43AQI
43AQI
19th June 2025
48AQI
48AQI
20th June 2025
43AQI
43AQI
21st June 2025
34AQI
34AQI
22nd June 2025
32AQI
32AQI
23rd June 2025
35AQI
35AQI
24th June 2025
37AQI
37AQI
25th June 2025
35AQI
35AQI
26th June 2025
33AQI
33AQI
27th June 2025
34AQI
34AQI
28th June 2025
33AQI
33AQI
29th June 2025
30AQI
30AQI
30th June 2025
30AQI
30AQI
1st July 2025
27AQI
27AQI
2nd July 2025
25AQI
25AQI
3rd July 2025
25AQI
25AQI
4th July 2025
28AQI
28AQI
5th July 2025
32AQI
32AQI
6th July 2025
29AQI
29AQI
7th July 2025
37AQI
37AQI
8th July 2025
41AQI
41AQI
9th July 2025
36AQI
36AQI
10th July 2025
28AQI
28AQI
11th July 2025
28AQI
28AQI
12th July 2025
29AQI
29AQI
13th July 2025
31AQI
31AQI
14th July 2025
37AQI
37AQI
15th July 2025
40AQI
40AQI
16th July 2025
38AQI
38AQI
17th July 2025
34AQI
34AQI
18th July 2025
26AQI
26AQI
19th July 2025
25AQI
25AQI
20th July 2025
24AQI
24AQI
21st July 2025
34AQI
34AQI
22nd July 2025
36AQI
36AQI
23rd July 2025
30AQI
30AQI
24th July 2025
25AQI
25AQI
25th July 2025
28AQI
28AQI
26th July 2025
31AQI
31AQI
27th July 2025
30AQI
30AQI
28th July 2025
25AQI
25AQI
29th July 2025
22AQI
22AQI
30th July 2025
22AQI
22AQI
31st July 2025
25AQI
25AQI
1st August 2025
25AQI
25AQI
2nd August 2025
27AQI
27AQI
59AQI
61AQI
55AQI
37AQI
35AQI
40AQI
30AQI
26AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202545AQI
31
28
6
25
30
31
26
4
31
2
126
88
Highest AQI recorded in
February61AQI
Lowest AQI recorded in
August26AQI
202445AQI
4
23
4
7
21
1
17
14
30
31
30
27
4
31
30
21
9
1
1
24
5
31
229
126
11
Highest AQI recorded in
January75AQI
Lowest AQI recorded in
September16AQI
202349AQI
6
22
3
11
12
5
13
18
22
8
28
3
30
25
6
23
8
25
5
23
8
16
13
6
20
5
228
123
13
Highest AQI recorded in
December70AQI
Lowest AQI recorded in
June32AQI
202233AQI
24
7
17
4
28
3
29
31
30
25
2
28
27
4
7
23
3
21
7
251
62
7
Highest AQI recorded in
December82AQI
Lowest AQI recorded in
August14AQI
202126AQI
27
4
28
31
30
31
30
29
2
30
1
30
25
6
25
5
31
347
18
Highest AQI recorded in
January34AQI
Lowest AQI recorded in
September19AQI
202011AQI
13
21
18
30
31
31
30
26
30
31
261
Highest AQI recorded in
November18AQI
Lowest AQI recorded in
June6AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
49AQILeast Polluted Year Recorded
2020(Avg.)
11AQICluj Napoca's annual 2025 AQI (45) shows an average percentage change of 82.1% (worsened AQI) compared to previous years: 2020 (11), 2021 (26), 2022 (33), 2023 (49), 2024 (45).
