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
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
18th Aug 2024
34AQILowest AQI recorded on
13th Aug 2024
23AQISame Day Analysis (3rd August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 29 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Strada Zefirului, Cluj Napoca, Cluj, Romania
AQI
Day
Night
.
5 AM3rd Aug 2025
9 PM
4 AM4th Aug 2025
Day time
Avg. Highest Time
9AM3rd Aug
35AQI
Avg. Lowest Time
7PM3rd Aug
25AQI
Night time
Avg. Highest Time
9PM3rd Aug
29AQI
Avg. Lowest Time
4AM4th Aug
24AQI
In the last 24 hours,
Strada Zefirului's AQI reached its highest point of 35 at 9 AM during the Day, while the lowest point, 24, was recorded at 4 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Strada Zefirului, 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 2025395 AMAQI
5th Jul 2025336 AMAQI
5th Jul 2025357 AMAQI
5th Jul 2025288 AMAQI
5th Jul 2025289 AMAQI
5th Jul 20253010 AMAQI
5th Jul 20252411 AMAQI
5th Jul 20252412 PMAQI
5th Jul 2025231 PMAQI
5th Jul 2025232 PMAQI
5th Jul 2025233 PMAQI
5th Jul 2025254 PMAQI
5th Jul 2025255 PMAQI
5th Jul 2025256 PMAQI
5th Jul 2025247 PMAQI
5th Jul 2025288 PMAQI
5th Jul 2025259 PMAQI
5th Jul 20252610 PMAQI
5th Jul 20252611 PMAQI
6th Jul 20253412 AMAQI
6th Jul 2025501 AMAQI
6th Jul 2025492 AMAQI
6th Jul 2025353 AMAQI
6th Jul 2025324 AMAQI
22°C14/31°C
6th Jul 2025325 AMAQI
6th Jul 2025316 AMAQI
6th Jul 2025287 AMAQI
6th Jul 2025238 AMAQI
6th Jul 2025239 AMAQI
6th Jul 20252810 AMAQI
6th Jul 20253011 AMAQI
6th Jul 20252412 PMAQI
6th Jul 2025241 PMAQI
6th Jul 2025262 PMAQI
6th Jul 2025263 PMAQI
6th Jul 2025234 PMAQI
6th Jul 2025245 PMAQI
6th Jul 2025256 PMAQI
6th Jul 2025257 PMAQI
6th Jul 2025248 PMAQI
6th Jul 2025289 PMAQI
6th Jul 20252710 PMAQI
6th Jul 20252711 PMAQI
7th Jul 20253612 AMAQI
7th Jul 2025401 AMAQI
7th Jul 2025422 AMAQI
7th Jul 2025313 AMAQI
7th Jul 2025384 AMAQI
24°C13/33°C
7th Jul 2025355 AMAQI
7th Jul 2025316 AMAQI
7th Jul 2025347 AMAQI
7th Jul 2025388 AMAQI
7th Jul 2025359 AMAQI
7th Jul 20253810 AMAQI
7th Jul 20253811 AMAQI
7th Jul 20254012 PMAQI
7th Jul 2025381 PMAQI
7th Jul 2025392 PMAQI
7th Jul 2025343 PMAQI
7th Jul 2025344 PMAQI
7th Jul 2025375 PMAQI
7th Jul 2025346 PMAQI
7th Jul 2025367 PMAQI
7th Jul 2025368 PMAQI
7th Jul 2025369 PMAQI
7th Jul 20253510 PMAQI
7th Jul 20253411 PMAQI
8th Jul 20253512 AMAQI
8th Jul 2025361 AMAQI
8th Jul 2025372 AMAQI
8th Jul 2025433 AMAQI
8th Jul 2025454 AMAQI
25°C18/35°C
8th Jul 2025425 AMAQI
8th Jul 2025426 AMAQI
8th Jul 2025517 AMAQI
8th Jul 2025468 AMAQI
8th Jul 2025479 AMAQI
8th Jul 20254210 AMAQI
8th Jul 20254211 AMAQI
8th Jul 20253512 PMAQI
8th Jul 2025341 PMAQI
8th Jul 2025342 PMAQI
8th Jul 2025323 PMAQI
8th Jul 2025364 PMAQI
8th Jul 2025335 PMAQI
8th Jul 2025326 PMAQI
8th Jul 2025347 PMAQI
8th Jul 2025368 PMAQI
8th Jul 2025309 PMAQI
8th Jul 20253310 PMAQI
8th Jul 20252611 PMAQI
9th Jul 20252912 AMAQI
9th Jul 2025431 AMAQI
9th Jul 2025412 AMAQI
9th Jul 2025393 AMAQI
9th Jul 2025424 AMAQI
23°C14/34°C
9th Jul 2025425 AMAQI
9th Jul 2025516 AMAQI
9th Jul 2025357 AMAQI
9th Jul 2025408 AMAQI
9th Jul 2025429 AMAQI
9th Jul 20253410 AMAQI
9th Jul 20253611 AMAQI
9th Jul 20253712 PMAQI
9th Jul 2025391 PMAQI
9th Jul 2025372 PMAQI
9th Jul 2025243 PMAQI
9th Jul 2025244 PMAQI
9th Jul 2025235 PMAQI
9th Jul 2025246 PMAQI
9th Jul 2025257 PMAQI
9th Jul 2025288 PMAQI
9th Jul 2025319 PMAQI
9th Jul 20252610 PMAQI
9th Jul 20252211 PMAQI
10th Jul 20253212 AMAQI
10th Jul 2025411 AMAQI
10th Jul 2025372 AMAQI
10th Jul 2025213 AMAQI
10th Jul 2025234 AMAQI
16°C13/21°C
10th Jul 2025295 AMAQI
10th Jul 2025236 AMAQI
10th Jul 2025187 AMAQI
10th Jul 2025208 AMAQI
10th Jul 2025209 AMAQI
10th Jul 20252210 AMAQI
10th Jul 20252211 AMAQI
10th Jul 20252612 PMAQI
10th Jul 2025241 PMAQI
10th Jul 2025242 PMAQI
10th Jul 2025253 PMAQI
10th Jul 2025234 PMAQI
10th Jul 2025235 PMAQI
10th Jul 2025266 PMAQI
10th Jul 2025247 PMAQI
10th Jul 2025248 PMAQI
10th Jul 2025249 PMAQI
10th Jul 20252810 PMAQI
10th Jul 20252211 PMAQI
11th Jul 20252612 AMAQI
11th Jul 2025341 AMAQI
11th Jul 2025352 AMAQI
11th Jul 2025263 AMAQI
11th Jul 2025234 AMAQI
14°C12/16°C
11th Jul 2025215 AMAQI
11th Jul 2025226 AMAQI
11th Jul 2025387 AMAQI
11th Jul 2025358 AMAQI
11th Jul 2025349 AMAQI
11th Jul 20253210 AMAQI
11th Jul 20252611 AMAQI
11th Jul 20252612 PMAQI
11th Jul 2025321 PMAQI
11th Jul 2025302 PMAQI
11th Jul 2025323 PMAQI
11th Jul 2025294 PMAQI
11th Jul 2025265 PMAQI
11th Jul 2025236 PMAQI
11th Jul 2025247 PMAQI
11th Jul 2025288 PMAQI
11th Jul 2025259 PMAQI
11th Jul 20253210 PMAQI
11th Jul 20252611 PMAQI
12th Jul 20253612 AMAQI
12th Jul 2025421 AMAQI
12th Jul 2025382 AMAQI
12th Jul 2025303 AMAQI
12th Jul 2025234 AMAQI
16°C12/21°C
12th Jul 2025285 AMAQI
12th Jul 2025326 AMAQI
12th Jul 2025327 AMAQI
12th Jul 2025318 AMAQI
12th Jul 2025319 AMAQI
12th Jul 20253010 AMAQI
12th Jul 20253211 AMAQI
12th Jul 20253212 PMAQI
12th Jul 2025261 PMAQI
12th Jul 2025272 PMAQI
12th Jul 2025283 PMAQI
12th Jul 2025284 PMAQI
12th Jul 2025235 PMAQI
12th Jul 2025236 PMAQI
12th Jul 2025217 PMAQI
12th Jul 2025228 PMAQI
12th Jul 2025239 PMAQI
12th Jul 20252410 PMAQI
12th Jul 20252211 PMAQI
13th Jul 20252612 AMAQI
13th Jul 2025401 AMAQI
13th Jul 2025402 AMAQI
13th Jul 2025303 AMAQI
13th Jul 2025244 AMAQI
17°C10/24°C
13th Jul 2025245 AMAQI
13th Jul 2025266 AMAQI
13th Jul 2025267 AMAQI
13th Jul 2025248 AMAQI
13th Jul 2025259 AMAQI
13th Jul 20252410 AMAQI
13th Jul 20252811 AMAQI
13th Jul 20253012 PMAQI
13th Jul 2025331 PMAQI
13th Jul 2025352 PMAQI
13th Jul 2025263 PMAQI
13th Jul 2025264 PMAQI
13th Jul 2025285 PMAQI
13th Jul 2025316 PMAQI
13th Jul 2025277 PMAQI
13th Jul 2025318 PMAQI
13th Jul 2025269 PMAQI
13th Jul 20253210 PMAQI
13th Jul 20253011 PMAQI
14th Jul 20253112 AMAQI
14th Jul 2025311 AMAQI
14th Jul 2025312 AMAQI
14th Jul 2025403 AMAQI
14th Jul 2025384 AMAQI
20°C12/27°C
14th Jul 2025385 AMAQI
14th Jul 2025376 AMAQI
14th Jul 2025387 AMAQI
14th Jul 2025408 AMAQI
14th Jul 2025379 AMAQI
14th Jul 20253510 AMAQI
14th Jul 20254211 AMAQI
14th Jul 20254212 PMAQI
14th Jul 2025361 PMAQI
14th Jul 2025342 PMAQI
14th Jul 2025333 PMAQI
14th Jul 2025324 PMAQI
14th Jul 2025305 PMAQI
14th Jul 2025276 PMAQI
14th Jul 2025267 PMAQI
14th Jul 2025268 PMAQI
14th Jul 2025269 PMAQI
14th Jul 20253010 PMAQI
14th Jul 20253211 PMAQI
15th Jul 20253412 AMAQI
15th Jul 2025351 AMAQI
15th Jul 2025362 AMAQI
15th Jul 2025313 AMAQI
15th Jul 2025344 AMAQI
22°C16/28°C
15th Jul 2025345 AMAQI
15th Jul 2025406 AMAQI
15th Jul 2025387 AMAQI
15th Jul 2025458 AMAQI
15th Jul 2025429 AMAQI
15th Jul 20253710 AMAQI
15th Jul 20253211 AMAQI
15th Jul 20253012 PMAQI
15th Jul 2025301 PMAQI
15th Jul 2025272 PMAQI
15th Jul 2025253 PMAQI
15th Jul 2025234 PMAQI
15th Jul 2025245 PMAQI
15th Jul 2025296 PMAQI
15th Jul 2025307 PMAQI
15th Jul 2025328 PMAQI
15th Jul 2025319 PMAQI
15th Jul 20253410 PMAQI
15th Jul 20253211 PMAQI
16th Jul 20253212 AMAQI
16th Jul 2025341 AMAQI
16th Jul 2025342 AMAQI
16th Jul 2025303 AMAQI
16th Jul 2025284 AMAQI
21°C16/29°C
16th Jul 2025325 AMAQI
16th Jul 2025306 AMAQI
16th Jul 2025327 AMAQI
16th Jul 2025338 AMAQI
16th Jul 2025319 AMAQI
16th Jul 20253410 AMAQI
16th Jul 20252811 AMAQI
16th Jul 20252912 PMAQI
16th Jul 2025261 PMAQI
16th Jul 2025282 PMAQI
16th Jul 2025323 PMAQI
16th Jul 2025344 PMAQI
16th Jul 2025315 PMAQI
16th Jul 2025286 PMAQI
16th Jul 2025277 PMAQI
16th Jul 2025268 PMAQI
16th Jul 2025299 PMAQI
16th Jul 20252910 PMAQI
16th Jul 20252811 PMAQI
17th Jul 20252812 AMAQI
17th Jul 2025331 AMAQI
17th Jul 2025322 AMAQI
17th Jul 2025263 AMAQI
17th Jul 2025244 AMAQI
20°C15/26°C
17th Jul 2025265 AMAQI
17th Jul 2025266 AMAQI
17th Jul 2025267 AMAQI
17th Jul 2025278 AMAQI
17th Jul 2025279 AMAQI
17th Jul 20252410 AMAQI
17th Jul 20252311 AMAQI
17th Jul 20252412 PMAQI
17th Jul 2025241 PMAQI
17th Jul 2025252 PMAQI
17th Jul 2025223 PMAQI
17th Jul 2025204 PMAQI
17th Jul 2025205 PMAQI
17th Jul 2025216 PMAQI
17th Jul 2025227 PMAQI
17th Jul 2025218 PMAQI
17th Jul 2025189 PMAQI
17th Jul 20252810 PMAQI
17th Jul 20251711 PMAQI
18th Jul 20251812 AMAQI
18th Jul 2025181 AMAQI
18th Jul 2025202 AMAQI
18th Jul 2025133 AMAQI
18th Jul 2025114 AMAQI
17°C12/24°C
18th Jul 2025125 AMAQI
18th Jul 2025146 AMAQI
18th Jul 2025167 AMAQI
18th Jul 2025168 AMAQI
18th Jul 2025149 AMAQI
18th Jul 20251510 AMAQI
18th Jul 20251511 AMAQI
18th Jul 20251512 PMAQI
18th Jul 2025141 PMAQI
18th Jul 2025152 PMAQI
18th Jul 2025163 PMAQI
18th Jul 2025164 PMAQI
18th Jul 2025165 PMAQI
18th Jul 2025186 PMAQI
18th Jul 2025177 PMAQI
18th Jul 2025178 PMAQI
18th Jul 2025169 PMAQI
18th Jul 20251610 PMAQI
18th Jul 20251611 PMAQI
19th Jul 20251912 AMAQI
19th Jul 2025191 AMAQI
19th Jul 2025182 AMAQI
19th Jul 2025143 AMAQI
19th Jul 2025144 AMAQI
15°C11/20°C
19th Jul 2025175 AMAQI
19th Jul 2025186 AMAQI
19th Jul 2025227 AMAQI
19th Jul 2025338 AMAQI
19th Jul 2025229 AMAQI
19th Jul 20252010 AMAQI
19th Jul 20252011 AMAQI
19th Jul 20251812 PMAQI
19th Jul 2025191 PMAQI
19th Jul 2025172 PMAQI
19th Jul 2025183 PMAQI
19th Jul 2025174 PMAQI
19th Jul 2025175 PMAQI
19th Jul 2025176 PMAQI
19th Jul 2025167 PMAQI
19th Jul 2025178 PMAQI
19th Jul 2025179 PMAQI
19th Jul 20251810 PMAQI
19th Jul 20252011 PMAQI
20th Jul 20252012 AMAQI
20th Jul 2025211 AMAQI
20th Jul 2025212 AMAQI
20th Jul 2025203 AMAQI
20th Jul 2025264 AMAQI
18°C11/24°C
20th Jul 2025195 AMAQI
20th Jul 2025156 AMAQI
20th Jul 2025177 AMAQI
20th Jul 2025188 AMAQI
20th Jul 2025169 AMAQI
20th Jul 20252010 AMAQI
20th Jul 20251711 AMAQI
20th Jul 20251712 PMAQI
20th Jul 2025171 PMAQI
20th Jul 2025172 PMAQI
20th Jul 2025163 PMAQI
20th Jul 2025164 PMAQI
20th Jul 2025165 PMAQI
20th Jul 2025186 PMAQI
20th Jul 2025187 PMAQI
20th Jul 2025208 PMAQI
20th Jul 2025209 PMAQI
20th Jul 20252310 PMAQI
20th Jul 20252511 PMAQI
21st Jul 20252312 AMAQI
21st Jul 2025221 AMAQI
21st Jul 2025222 AMAQI
21st Jul 2025333 AMAQI
21st Jul 2025404 AMAQI
21°C14/28°C
21st Jul 2025365 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025387 AMAQI
21st Jul 2025368 AMAQI
21st Jul 2025369 AMAQI
21st Jul 20253510 AMAQI
21st Jul 20253011 AMAQI
21st Jul 20252612 PMAQI
21st Jul 2025211 PMAQI
21st Jul 2025212 PMAQI
21st Jul 2025213 PMAQI
21st Jul 2025214 PMAQI
21st Jul 2025225 PMAQI
21st Jul 2025246 PMAQI
21st Jul 2025277 PMAQI
21st Jul 2025308 PMAQI
21st Jul 2025369 PMAQI
21st Jul 20253310 PMAQI
21st Jul 20253511 PMAQI
22nd Jul 20253512 AMAQI
22nd Jul 2025341 AMAQI
22nd Jul 2025332 AMAQI
22nd Jul 2025433 AMAQI
22nd Jul 2025454 AMAQI
23°C16/31°C
22nd Jul 2025485 AMAQI
22nd Jul 2025416 AMAQI
22nd Jul 2025427 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025319 AMAQI
22nd Jul 20252210 AMAQI
22nd Jul 20252111 AMAQI
22nd Jul 20253212 PMAQI
22nd Jul 2025181 PMAQI
22nd Jul 2025192 PMAQI
22nd Jul 2025203 PMAQI
22nd Jul 2025294 PMAQI
22nd Jul 2025265 PMAQI
22nd Jul 2025246 PMAQI
22nd Jul 2025267 PMAQI
22nd Jul 2025248 PMAQI
22nd Jul 2025249 PMAQI
22nd Jul 20251910 PMAQI
22nd Jul 20251911 PMAQI
23rd Jul 20252712 AMAQI
23rd Jul 2025361 AMAQI
23rd Jul 2025362 AMAQI
23rd Jul 2025203 AMAQI
23rd Jul 2025204 AMAQI
24°C18/30°C
23rd Jul 2025295 AMAQI
23rd Jul 2025326 AMAQI
23rd Jul 2025177 AMAQI
23rd Jul 2025178 AMAQI
23rd Jul 2025209 AMAQI
23rd Jul 20251810 AMAQI
23rd Jul 20251811 AMAQI
23rd Jul 20251612 PMAQI
23rd Jul 2025191 PMAQI
23rd Jul 2025192 PMAQI
23rd Jul 2025213 PMAQI
23rd Jul 2025234 PMAQI
23rd Jul 2025265 PMAQI
23rd Jul 2025246 PMAQI
23rd Jul 2025217 PMAQI
23rd Jul 2025188 PMAQI
23rd Jul 2025189 PMAQI
23rd Jul 20251910 PMAQI
23rd Jul 20252311 PMAQI
24th Jul 20252512 AMAQI
24th Jul 2025341 AMAQI
24th Jul 2025342 AMAQI
24th Jul 2025223 AMAQI
24th Jul 2025144 AMAQI
23°C15/29°C
24th Jul 2025165 AMAQI
24th Jul 2025146 AMAQI
24th Jul 2025167 AMAQI
24th Jul 2025158 AMAQI
24th Jul 2025169 AMAQI
24th Jul 20251510 AMAQI
24th Jul 20252011 AMAQI
24th Jul 20251412 PMAQI
24th Jul 2025141 PMAQI
24th Jul 2025142 PMAQI
24th Jul 2025163 PMAQI
24th Jul 2025174 PMAQI
24th Jul 2025165 PMAQI
24th Jul 2025196 PMAQI
24th Jul 2025177 PMAQI
24th Jul 2025188 PMAQI
24th Jul 2025189 PMAQI
24th Jul 20251910 PMAQI
24th Jul 20251811 PMAQI
25th Jul 20252012 AMAQI
25th Jul 2025221 AMAQI
25th Jul 2025222 AMAQI
25th Jul 2025223 AMAQI
25th Jul 2025244 AMAQI
24°C17/32°C
25th Jul 2025265 AMAQI
25th Jul 2025266 AMAQI
25th Jul 2025257 AMAQI
25th Jul 2025278 AMAQI
25th Jul 2025299 AMAQI
25th Jul 20253110 AMAQI
25th Jul 20253111 AMAQI
25th Jul 20253112 PMAQI
25th Jul 2025311 PMAQI
25th Jul 2025262 PMAQI
25th Jul 2025253 PMAQI
25th Jul 2025244 PMAQI
25th Jul 2025205 PMAQI
25th Jul 2025196 PMAQI
25th Jul 2025187 PMAQI
25th Jul 2025188 PMAQI
25th Jul 2025209 PMAQI
25th Jul 20252010 PMAQI
25th Jul 20252611 PMAQI
26th Jul 20252112 AMAQI
26th Jul 2025261 AMAQI
26th Jul 2025252 AMAQI
26th Jul 2025233 AMAQI
26th Jul 2025224 AMAQI
26°C18/34°C
26th Jul 2025235 AMAQI
26th Jul 2025226 AMAQI
26th Jul 2025227 AMAQI
26th Jul 2025228 AMAQI
26th Jul 2025339 AMAQI
26th Jul 20252710 AMAQI
26th Jul 20252811 AMAQI
26th Jul 20253112 PMAQI
26th Jul 2025391 PMAQI
26th Jul 2025302 PMAQI
26th Jul 2025283 PMAQI
26th Jul 2025284 PMAQI
26th Jul 2025245 PMAQI
26th Jul 2025266 PMAQI
26th Jul 2025267 PMAQI
26th Jul 2025258 PMAQI
26th Jul 2025239 PMAQI
26th Jul 20252310 PMAQI
26th Jul 20252311 PMAQI
27th Jul 20252812 AMAQI
27th Jul 2025281 AMAQI
27th Jul 2025282 AMAQI
27th Jul 2025293 AMAQI
27th Jul 2025284 AMAQI
25°C19/37°C
27th Jul 2025285 AMAQI
27th Jul 2025256 AMAQI
27th Jul 2025247 AMAQI
27th Jul 2025248 AMAQI
27th Jul 2025229 AMAQI
27th Jul 20252210 AMAQI
27th Jul 20252011 AMAQI
27th Jul 20251712 PMAQI
27th Jul 2025191 PMAQI
27th Jul 2025202 PMAQI
27th Jul 2025213 PMAQI
27th Jul 2025204 PMAQI
27th Jul 2025195 PMAQI
27th Jul 2025186 PMAQI
27th Jul 2025187 PMAQI
27th Jul 2025188 PMAQI
27th Jul 2025209 PMAQI
27th Jul 20251810 PMAQI
27th Jul 20251811 PMAQI
28th Jul 20252012 AMAQI
28th Jul 2025281 AMAQI
28th Jul 2025302 AMAQI
28th Jul 2025163 AMAQI
28th Jul 2025134 AMAQI
20°C17/27°C
28th Jul 2025125 AMAQI
28th Jul 2025156 AMAQI
28th Jul 2025177 AMAQI
28th Jul 2025198 AMAQI
28th Jul 2025229 AMAQI
28th Jul 20252310 AMAQI
28th Jul 20252211 AMAQI
28th Jul 20252212 PMAQI
28th Jul 2025191 PMAQI
28th Jul 2025182 PMAQI
28th Jul 2025183 PMAQI
28th Jul 2025184 PMAQI
28th Jul 2025175 PMAQI
28th Jul 2025176 PMAQI
28th Jul 2025177 PMAQI
28th Jul 2025178 PMAQI
28th Jul 2025169 PMAQI
28th Jul 20251710 PMAQI
28th Jul 20251611 PMAQI
29th Jul 20252012 AMAQI
29th Jul 2025231 AMAQI
29th Jul 2025232 AMAQI
29th Jul 2025293 AMAQI
29th Jul 2025154 AMAQI
20°C14/27°C
29th Jul 2025135 AMAQI
29th Jul 2025136 AMAQI
29th Jul 2025167 AMAQI
29th Jul 2025288 AMAQI
29th Jul 2025189 AMAQI
29th Jul 20251910 AMAQI
29th Jul 20251811 AMAQI
29th Jul 20251812 PMAQI
29th Jul 2025161 PMAQI
29th Jul 2025162 PMAQI
29th Jul 2025163 PMAQI
29th Jul 2025174 PMAQI
29th Jul 2025165 PMAQI
29th Jul 2025176 PMAQI
29th Jul 2025177 PMAQI
29th Jul 2025178 PMAQI
29th Jul 2025179 PMAQI
29th Jul 20251610 PMAQI
29th Jul 20251711 PMAQI
30th Jul 20251912 AMAQI
30th Jul 2025221 AMAQI
30th Jul 2025222 AMAQI
30th Jul 2025163 AMAQI
30th Jul 2025144 AMAQI
19°C14/24°C
30th Jul 2025145 AMAQI
30th Jul 2025186 AMAQI
30th Jul 2025207 AMAQI
30th Jul 2025198 AMAQI
30th Jul 2025209 AMAQI
30th Jul 20251910 AMAQI
30th Jul 20252311 AMAQI
30th Jul 20252212 PMAQI
30th Jul 2025211 PMAQI
30th Jul 2025142 PMAQI
30th Jul 2025163 PMAQI
30th Jul 2025164 PMAQI
30th Jul 2025165 PMAQI
30th Jul 2025166 PMAQI
30th Jul 2025167 PMAQI
30th Jul 2025168 PMAQI
30th Jul 2025169 PMAQI
30th Jul 20252410 PMAQI
30th Jul 20252411 PMAQI
31st Jul 20252412 AMAQI
31st Jul 2025241 AMAQI
31st Jul 2025242 AMAQI
31st Jul 2025243 AMAQI
31st Jul 2025244 AMAQI
17°C14/23°C
31st Jul 2025215 AMAQI
31st Jul 2025196 AMAQI
31st Jul 2025207 AMAQI
31st Jul 2025208 AMAQI
31st Jul 2025179 AMAQI
31st Jul 20251710 AMAQI
31st Jul 20251811 AMAQI
31st Jul 20251812 PMAQI
31st Jul 2025141 PMAQI
31st Jul 2025182 PMAQI
31st Jul 2025243 PMAQI
31st Jul 2025264 PMAQI
31st Jul 2025265 PMAQI
31st Jul 2025286 PMAQI
31st Jul 2025267 PMAQI
31st Jul 2025278 PMAQI
31st Jul 2025269 PMAQI
31st Jul 20252610 PMAQI
31st Jul 20252411 PMAQI
1st Aug 20252412 AMAQI
1st Aug 2025241 AMAQI
1st Aug 2025232 AMAQI
1st Aug 2025243 AMAQI
1st Aug 2025244 AMAQI
19°C13/25°C
1st Aug 2025255 AMAQI
1st Aug 2025266 AMAQI
1st Aug 2025247 AMAQI
1st Aug 2025308 AMAQI
1st Aug 2025229 AMAQI
1st Aug 20252410 AMAQI
1st Aug 20252311 AMAQI
1st Aug 20252112 PMAQI
1st Aug 2025221 PMAQI
1st Aug 2025242 PMAQI
1st Aug 2025243 PMAQI
1st Aug 2025264 PMAQI
1st Aug 2025255 PMAQI
1st Aug 2025266 PMAQI
1st Aug 2025257 PMAQI
1st Aug 2025268 PMAQI
1st Aug 2025259 PMAQI
1st Aug 20252610 PMAQI
1st Aug 20252611 PMAQI
2nd Aug 20252612 AMAQI
2nd Aug 2025261 AMAQI
2nd Aug 2025262 AMAQI
2nd Aug 2025263 AMAQI
2nd Aug 2025294 AMAQI
19°C12/26°C
2nd Aug 2025245 AMAQI
2nd Aug 2025266 AMAQI
2nd Aug 2025267 AMAQI
2nd Aug 2025328 AMAQI
2nd Aug 2025299 AMAQI
2nd Aug 20253010 AMAQI
2nd Aug 20252711 AMAQI
2nd Aug 20252512 PMAQI
2nd Aug 2025251 PMAQI
2nd Aug 2025262 PMAQI
2nd Aug 2025263 PMAQI
2nd Aug 2025274 PMAQI
2nd Aug 2025285 PMAQI
2nd Aug 2025276 PMAQI
2nd Aug 2025267 PMAQI
2nd Aug 2025278 PMAQI
2nd Aug 2025289 PMAQI
2nd Aug 20252810 PMAQI
2nd Aug 20252811 PMAQI
3rd Aug 20252912 AMAQI
3rd Aug 2025271 AMAQI
3rd Aug 2025312 AMAQI
3rd Aug 2025303 AMAQI
3rd Aug 2025264 AMAQI
20°C13/28°C
3rd Aug 2025265 AMAQI
3rd Aug 2025266 AMAQI
3rd Aug 2025267 AMAQI
3rd Aug 2025278 AMAQI
3rd Aug 2025359 AMAQI
3rd Aug 20252610 AMAQI
3rd Aug 20252811 AMAQI
3rd Aug 20252812 PMAQI
3rd Aug 2025301 PMAQI
3rd Aug 2025292 PMAQI
3rd Aug 2025263 PMAQI
3rd Aug 2025274 PMAQI
3rd Aug 2025255 PMAQI
3rd Aug 2025276 PMAQI
3rd Aug 2025257 PMAQI
3rd Aug 2025288 PMAQI
3rd Aug 2025299 PMAQI
3rd Aug 20252810 PMAQI
3rd Aug 20252811 PMAQI
4th Aug 20252812 AMAQI
4th Aug 2025281 AMAQI
4th Aug 2025282 AMAQI
4th Aug 2025283 AMAQI
4th Aug 2025244 AMAQI
20°C15/28°C
4th Aug 2025245 AMAQI
5 AM4th Aug 2025246 AMAQI
4th Aug 2025267 AMAQI
4th Aug 2025258 AMAQI
4th Aug 2025269 AMAQI
1 PM
9 PM
1 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 9 PM
25AQI
17 hours / Day
510 hours / Month
Avg. Lowest Time
5 AM - 9 PM
25AQI
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. 25), while the lowest AQI was between 5 AM to 9 PM (Avg. 25).
Night time
Avg. Highest Time
1 AM - 2 AM
31AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
10 PM - 11 PM
25AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 2 AM (Avg. 31), while the lowest AQI was between 10 PM to 11 PM (Avg. 25).
2025 Days Vs Air Quality
Strada Zefirului, Cluj Napoca, Cluj, Romania
2025
60%
128
40%
87
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Good
128 DaysModerate
87 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 60%
Health Risk Level:
Moderate
In 2025, 60% of 216 days were within WHO’s safe air quality limits, and 40% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Strada Zefirului, 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
61AQI
61AQI
2nd January 2025
64AQI
64AQI
3rd January 2025
61AQI
61AQI
4th January 2025
60AQI
60AQI
5th January 2025
60AQI
60AQI
6th January 2025
58AQI
58AQI
7th January 2025
58AQI
58AQI
8th January 2025
60AQI
60AQI
9th January 2025
57AQI
57AQI
10th January 2025
56AQI
56AQI
11th January 2025
54AQI
54AQI
12th January 2025
52AQI
52AQI
13th January 2025
51AQI
51AQI
14th January 2025
52AQI
52AQI
15th January 2025
54AQI
54AQI
16th January 2025
55AQI
55AQI
17th January 2025
56AQI
56AQI
18th January 2025
58AQI
58AQI
19th January 2025
58AQI
58AQI
20th January 2025
58AQI
58AQI
21st January 2025
59AQI
59AQI
22nd January 2025
60AQI
60AQI
23rd January 2025
61AQI
61AQI
24th January 2025
61AQI
61AQI
25th January 2025
60AQI
60AQI
26th January 2025
59AQI
59AQI
27th January 2025
59AQI
59AQI
28th January 2025
58AQI
58AQI
29th January 2025
58AQI
58AQI
30th January 2025
58AQI
58AQI
31st January 2025
59AQI
59AQI
1st February 2025
59AQI
59AQI
2nd February 2025
60AQI
60AQI
3rd February 2025
59AQI
59AQI
4th February 2025
59AQI
59AQI
5th February 2025
60AQI
60AQI
6th February 2025
59AQI
59AQI
7th February 2025
60AQI
60AQI
8th February 2025
59AQI
59AQI
9th February 2025
60AQI
60AQI
10th February 2025
60AQI
60AQI
11th February 2025
60AQI
60AQI
12th February 2025
61AQI
61AQI
13th February 2025
61AQI
61AQI
14th February 2025
63AQI
63AQI
15th February 2025
62AQI
62AQI
16th February 2025
61AQI
61AQI
17th February 2025
61AQI
61AQI
18th February 2025
62AQI
62AQI
19th February 2025
61AQI
61AQI
20th February 2025
61AQI
61AQI
21st February 2025
61AQI
61AQI
22nd February 2025
61AQI
61AQI
23rd February 2025
61AQI
61AQI
24th February 2025
63AQI
63AQI
25th February 2025
62AQI
62AQI
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
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
58AQI
58AQI
10th March 2025
59AQI
59AQI
11th March 2025
59AQI
59AQI
12th March 2025
57AQI
57AQI
13th March 2025
56AQI
56AQI
14th March 2025
55AQI
55AQI
15th March 2025
53AQI
53AQI
16th March 2025
50AQI
50AQI
17th March 2025
50AQI
50AQI
18th March 2025
47AQI
47AQI
19th March 2025
47AQI
47AQI
20th March 2025
48AQI
48AQI
21st March 2025
50AQI
50AQI
22nd March 2025
52AQI
52AQI
23rd March 2025
54AQI
54AQI
24th March 2025
55AQI
55AQI
25th March 2025
54AQI
54AQI
26th March 2025
54AQI
54AQI
27th March 2025
54AQI
54AQI
28th March 2025
52AQI
52AQI
29th March 2025
52AQI
52AQI
30th March 2025
51AQI
51AQI
31st March 2025
50AQI
50AQI
1st April 2025
49AQI
49AQI
2nd April 2025
48AQI
48AQI
3rd April 2025
48AQI
48AQI
4th April 2025
47AQI
47AQI
5th April 2025
46AQI
46AQI
6th April 2025
45AQI
45AQI
7th April 2025
42AQI
42AQI
8th April 2025
42AQI
42AQI
9th April 2025
40AQI
40AQI
10th April 2025
39AQI
39AQI
11th April 2025
40AQI
40AQI
12th April 2025
39AQI
39AQI
13th April 2025
39AQI
39AQI
14th April 2025
37AQI
37AQI
15th April 2025
37AQI
37AQI
16th April 2025
36AQI
36AQI
17th April 2025
36AQI
36AQI
18th April 2025
36AQI
36AQI
19th April 2025
34AQI
34AQI
20th April 2025
33AQI
33AQI
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
28AQI
28AQI
1st May 2025
27AQI
27AQI
2nd May 2025
27AQI
27AQI
3rd May 2025
33AQI
33AQI
4th May 2025
38AQI
38AQI
5th May 2025
44AQI
44AQI
6th May 2025
49AQI
49AQI
7th May 2025
37AQI
37AQI
8th May 2025
42AQI
42AQI
9th May 2025
41AQI
41AQI
10th May 2025
37AQI
37AQI
11th May 2025
30AQI
30AQI
12th May 2025
43AQI
43AQI
13th May 2025
41AQI
41AQI
14th May 2025
38AQI
38AQI
15th May 2025
39AQI
39AQI
16th May 2025
36AQI
36AQI
17th May 2025
33AQI
33AQI
18th May 2025
35AQI
35AQI
19th May 2025
35AQI
35AQI
20th May 2025
36AQI
36AQI
21st May 2025
38AQI
38AQI
22nd May 2025
44AQI
44AQI
23rd May 2025
45AQI
45AQI
24th May 2025
33AQI
33AQI
25th May 2025
28AQI
28AQI
26th May 2025
25AQI
25AQI
27th May 2025
29AQI
29AQI
28th May 2025
29AQI
29AQI
29th May 2025
32AQI
32AQI
30th May 2025
31AQI
31AQI
31st May 2025
27AQI
27AQI
1st June 2025
29AQI
29AQI
2nd June 2025
29AQI
29AQI
3rd June 2025
31AQI
31AQI
4th June 2025
31AQI
31AQI
5th June 2025
45AQI
45AQI
6th June 2025
50AQI
50AQI
7th June 2025
52AQI
52AQI
8th June 2025
53AQI
53AQI
9th June 2025
45AQI
45AQI
10th June 2025
52AQI
52AQI
11th June 2025
58AQI
58AQI
12th June 2025
43AQI
43AQI
13th June 2025
41AQI
41AQI
14th June 2025
36AQI
36AQI
15th June 2025
37AQI
37AQI
16th June 2025
35AQI
35AQI
17th June 2025
44AQI
44AQI
18th June 2025
40AQI
40AQI
19th June 2025
45AQI
45AQI
20th June 2025
37AQI
37AQI
21st June 2025
27AQI
27AQI
22nd June 2025
22AQI
22AQI
23rd June 2025
31AQI
31AQI
24th June 2025
32AQI
32AQI
25th June 2025
29AQI
29AQI
26th June 2025
26AQI
26AQI
27th June 2025
29AQI
29AQI
28th June 2025
27AQI
27AQI
29th June 2025
23AQI
23AQI
30th June 2025
24AQI
24AQI
1st July 2025
22AQI
22AQI
2nd July 2025
24AQI
24AQI
3rd July 2025
23AQI
23AQI
4th July 2025
28AQI
28AQI
5th July 2025
31AQI
31AQI
6th July 2025
29AQI
29AQI
7th July 2025
35AQI
35AQI
8th July 2025
37AQI
37AQI
9th July 2025
33AQI
33AQI
10th July 2025
25AQI
25AQI
11th July 2025
27AQI
27AQI
12th July 2025
28AQI
28AQI
13th July 2025
28AQI
28AQI
14th July 2025
33AQI
33AQI
15th July 2025
32AQI
32AQI
16th July 2025
30AQI
30AQI
17th July 2025
25AQI
25AQI
18th July 2025
16AQI
16AQI
19th July 2025
18AQI
18AQI
20th July 2025
20AQI
20AQI
21st July 2025
29AQI
29AQI
22nd July 2025
31AQI
31AQI
23rd July 2025
22AQI
22AQI
24th July 2025
19AQI
19AQI
25th July 2025
23AQI
23AQI
26th July 2025
25AQI
25AQI
27th July 2025
23AQI
23AQI
28th July 2025
19AQI
19AQI
29th July 2025
18AQI
18AQI
30th July 2025
18AQI
18AQI
31st July 2025
23AQI
23AQI
1st August 2025
24AQI
24AQI
2nd August 2025
27AQI
27AQI
3rd August 2025
29AQI
29AQI
58AQI
61AQI
54AQI
37AQI
36AQI
37AQI
26AQI
27AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202544AQI
31
28
7
24
30
31
26
4
31
3
128
87
Highest AQI recorded in
February61AQI
Lowest AQI recorded in
July26AQI
202455AQI
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 recorded in
January100AQI
Lowest AQI recorded in
September27AQI
202383AQI
2
14
9
1
2
2
23
6
5
39
15
Highest AQI recorded in
January88AQI
Lowest AQI recorded in
November57AQI
202274AQI
4
25
5
3
24
3
29
8
24
3
Highest AQI recorded in
December121AQI
Lowest AQI recorded in
November32AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2023(Avg.)
83AQILeast Polluted Year Recorded
2025(Avg.)
44AQIStrada Zefirului's annual 2025 AQI (44) shows an average percentage change of -36.5% (improved AQI) compared to previous years: 2022 (74), 2023 (83), 2024 (55).
