Zalau, Slaj, 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
Zalau, Slaj, Romania
2021
2022
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Aug 2024
36AQILowest AQI recorded on
1st Aug 2022
3AQISame Day Analysis (4th August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 27 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Zalau, Slaj, Romania
AQI
Day
Night
.
5 AM4th Aug 2025
9 PM
4 AM5th Aug 2025
Day time
Avg. Highest Time
9AM4th Aug
34AQI
Avg. Lowest Time
7AM4th Aug
25AQI
Night time
Avg. Highest Time
1AM5th Aug
29AQI
Avg. Lowest Time
2AM5th Aug
26AQI
In the last 24 hours,
Zalau's AQI reached its highest point of 34 at 9 AM during the Day, while the lowest point, 25, was recorded at 7 AM during the Day between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Zalau, Slaj, 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 - 05th05th
Day
Night
6th Jul 2025325 AMAQI
6th Jul 2025326 AMAQI
6th Jul 2025327 AMAQI
6th Jul 2025338 AMAQI
6th Jul 2025329 AMAQI
6th Jul 20253110 AMAQI
6th Jul 20253311 AMAQI
6th Jul 20253312 PMAQI
6th Jul 2025351 PMAQI
6th Jul 2025342 PMAQI
6th Jul 2025333 PMAQI
6th Jul 2025314 PMAQI
6th Jul 2025335 PMAQI
6th Jul 2025326 PMAQI
6th Jul 2025327 PMAQI
6th Jul 2025328 PMAQI
6th Jul 2025349 PMAQI
6th Jul 20253310 PMAQI
6th Jul 20253211 PMAQI
7th Jul 20253212 AMAQI
7th Jul 2025331 AMAQI
7th Jul 2025332 AMAQI
7th Jul 2025343 AMAQI
7th Jul 2025354 AMAQI
25°C14/34°C
7th Jul 2025345 AMAQI
7th Jul 2025346 AMAQI
7th Jul 2025367 AMAQI
7th Jul 2025378 AMAQI
7th Jul 2025369 AMAQI
7th Jul 20253410 AMAQI
7th Jul 20253411 AMAQI
7th Jul 20253712 PMAQI
7th Jul 2025341 PMAQI
7th Jul 2025352 PMAQI
7th Jul 2025363 PMAQI
7th Jul 2025364 PMAQI
7th Jul 2025405 PMAQI
7th Jul 2025416 PMAQI
7th Jul 2025397 PMAQI
7th Jul 2025368 PMAQI
7th Jul 2025349 PMAQI
7th Jul 20253410 PMAQI
7th Jul 20253311 PMAQI
8th Jul 20253412 AMAQI
8th Jul 2025341 AMAQI
8th Jul 2025342 AMAQI
8th Jul 2025333 AMAQI
8th Jul 2025354 AMAQI
26°C19/36°C
8th Jul 2025315 AMAQI
8th Jul 2025316 AMAQI
8th Jul 2025347 AMAQI
8th Jul 2025328 AMAQI
8th Jul 2025319 AMAQI
8th Jul 20254310 AMAQI
8th Jul 20253111 AMAQI
8th Jul 20253212 PMAQI
8th Jul 2025301 PMAQI
8th Jul 2025302 PMAQI
8th Jul 2025323 PMAQI
8th Jul 2025324 PMAQI
8th Jul 2025335 PMAQI
8th Jul 2025326 PMAQI
8th Jul 2025347 PMAQI
8th Jul 2025318 PMAQI
8th Jul 2025319 PMAQI
8th Jul 20253010 PMAQI
8th Jul 20253011 PMAQI
9th Jul 20253112 AMAQI
9th Jul 2025321 AMAQI
9th Jul 2025322 AMAQI
9th Jul 2025293 AMAQI
9th Jul 2025284 AMAQI
22°C15/34°C
9th Jul 2025275 AMAQI
9th Jul 2025296 AMAQI
9th Jul 2025307 AMAQI
9th Jul 2025318 AMAQI
9th Jul 2025289 AMAQI
9th Jul 20252910 AMAQI
9th Jul 20252911 AMAQI
9th Jul 20253012 PMAQI
9th Jul 2025291 PMAQI
9th Jul 2025282 PMAQI
9th Jul 2025283 PMAQI
9th Jul 2025274 PMAQI
9th Jul 2025275 PMAQI
9th Jul 2025286 PMAQI
9th Jul 2025287 PMAQI
9th Jul 2025288 PMAQI
9th Jul 2025289 PMAQI
9th Jul 20252810 PMAQI
9th Jul 20252811 PMAQI
10th Jul 20252812 AMAQI
10th Jul 2025281 AMAQI
10th Jul 2025292 AMAQI
10th Jul 2025273 AMAQI
10th Jul 2025244 AMAQI
15°C13/20°C
10th Jul 2025245 AMAQI
10th Jul 2025246 AMAQI
10th Jul 2025307 AMAQI
10th Jul 2025288 AMAQI
10th Jul 2025299 AMAQI
10th Jul 20253010 AMAQI
10th Jul 20252911 AMAQI
10th Jul 20252812 PMAQI
10th Jul 2025251 PMAQI
10th Jul 2025272 PMAQI
10th Jul 2025263 PMAQI
10th Jul 2025234 PMAQI
10th Jul 2025245 PMAQI
10th Jul 2025246 PMAQI
10th Jul 2025257 PMAQI
10th Jul 2025258 PMAQI
10th Jul 2025269 PMAQI
10th Jul 20252610 PMAQI
10th Jul 20252611 PMAQI
11th Jul 20252412 AMAQI
11th Jul 2025261 AMAQI
11th Jul 2025262 AMAQI
11th Jul 2025243 AMAQI
11th Jul 2025244 AMAQI
14°C13/15°C
11th Jul 2025225 AMAQI
11th Jul 2025246 AMAQI
11th Jul 2025237 AMAQI
11th Jul 2025268 AMAQI
11th Jul 2025269 AMAQI
11th Jul 20252310 AMAQI
11th Jul 20252511 AMAQI
11th Jul 20252512 PMAQI
11th Jul 2025261 PMAQI
11th Jul 2025242 PMAQI
11th Jul 2025253 PMAQI
11th Jul 2025244 PMAQI
11th Jul 2025245 PMAQI
11th Jul 2025246 PMAQI
11th Jul 2025247 PMAQI
11th Jul 2025238 PMAQI
11th Jul 2025249 PMAQI
11th Jul 20252310 PMAQI
11th Jul 20252311 PMAQI
12th Jul 20252412 AMAQI
12th Jul 2025241 AMAQI
12th Jul 2025242 AMAQI
12th Jul 2025243 AMAQI
12th Jul 2025224 AMAQI
16°C13/21°C
12th Jul 2025245 AMAQI
12th Jul 2025246 AMAQI
12th Jul 2025267 AMAQI
12th Jul 2025268 AMAQI
12th Jul 2025249 AMAQI
12th Jul 20252410 AMAQI
12th Jul 20252611 AMAQI
12th Jul 20252412 PMAQI
12th Jul 2025231 PMAQI
12th Jul 2025242 PMAQI
12th Jul 2025243 PMAQI
12th Jul 2025234 PMAQI
12th Jul 2025245 PMAQI
12th Jul 2025246 PMAQI
12th Jul 2025237 PMAQI
12th Jul 2025248 PMAQI
12th Jul 2025239 PMAQI
12th Jul 20252310 PMAQI
12th Jul 20252411 PMAQI
13th Jul 20252412 AMAQI
13th Jul 2025231 AMAQI
13th Jul 2025242 AMAQI
13th Jul 2025233 AMAQI
13th Jul 2025274 AMAQI
18°C11/24°C
13th Jul 2025265 AMAQI
13th Jul 2025236 AMAQI
13th Jul 2025247 AMAQI
13th Jul 2025238 AMAQI
13th Jul 2025249 AMAQI
13th Jul 20252510 AMAQI
13th Jul 20252511 AMAQI
13th Jul 20252512 PMAQI
13th Jul 2025301 PMAQI
13th Jul 2025272 PMAQI
13th Jul 2025263 PMAQI
13th Jul 2025264 PMAQI
13th Jul 2025265 PMAQI
13th Jul 2025266 PMAQI
13th Jul 2025267 PMAQI
13th Jul 2025268 PMAQI
13th Jul 2025249 PMAQI
13th Jul 20252410 PMAQI
13th Jul 20252511 PMAQI
14th Jul 20252412 AMAQI
14th Jul 2025241 AMAQI
14th Jul 2025252 AMAQI
14th Jul 2025273 AMAQI
14th Jul 2025304 AMAQI
21°C13/29°C
14th Jul 2025305 AMAQI
14th Jul 2025286 AMAQI
14th Jul 2025307 AMAQI
14th Jul 2025288 AMAQI
14th Jul 2025269 AMAQI
14th Jul 20252810 AMAQI
14th Jul 20252811 AMAQI
14th Jul 20252912 PMAQI
14th Jul 2025281 PMAQI
14th Jul 2025282 PMAQI
14th Jul 2025283 PMAQI
14th Jul 2025284 PMAQI
14th Jul 2025285 PMAQI
14th Jul 2025286 PMAQI
14th Jul 2025287 PMAQI
14th Jul 2025288 PMAQI
14th Jul 2025299 PMAQI
14th Jul 20252810 PMAQI
14th Jul 20252911 PMAQI
15th Jul 20252812 AMAQI
15th Jul 2025291 AMAQI
15th Jul 2025302 AMAQI
15th Jul 2025303 AMAQI
15th Jul 2025294 AMAQI
24°C17/30°C
15th Jul 2025305 AMAQI
15th Jul 2025306 AMAQI
15th Jul 2025287 AMAQI
15th Jul 2025298 AMAQI
15th Jul 2025309 AMAQI
15th Jul 20252810 AMAQI
15th Jul 20253011 AMAQI
15th Jul 20253112 PMAQI
15th Jul 2025301 PMAQI
15th Jul 2025302 PMAQI
15th Jul 2025313 PMAQI
15th Jul 2025314 PMAQI
15th Jul 2025325 PMAQI
15th Jul 2025306 PMAQI
15th Jul 2025317 PMAQI
15th Jul 2025318 PMAQI
15th Jul 2025319 PMAQI
15th Jul 20253210 PMAQI
15th Jul 20253011 PMAQI
16th Jul 20253112 AMAQI
16th Jul 2025311 AMAQI
16th Jul 2025312 AMAQI
16th Jul 2025313 AMAQI
16th Jul 2025324 AMAQI
24°C17/31°C
16th Jul 2025325 AMAQI
16th Jul 2025306 AMAQI
16th Jul 2025327 AMAQI
16th Jul 2025328 AMAQI
16th Jul 2025349 AMAQI
16th Jul 20253310 AMAQI
16th Jul 20253311 AMAQI
16th Jul 20253212 PMAQI
16th Jul 2025301 PMAQI
16th Jul 2025312 PMAQI
16th Jul 2025323 PMAQI
16th Jul 2025324 PMAQI
16th Jul 2025325 PMAQI
16th Jul 2025336 PMAQI
16th Jul 2025337 PMAQI
16th Jul 2025338 PMAQI
16th Jul 2025329 PMAQI
16th Jul 20253210 PMAQI
16th Jul 20253211 PMAQI
17th Jul 20253312 AMAQI
17th Jul 2025331 AMAQI
17th Jul 2025332 AMAQI
17th Jul 2025323 AMAQI
17th Jul 2025314 AMAQI
21°C17/26°C
17th Jul 2025305 AMAQI
17th Jul 2025316 AMAQI
17th Jul 2025337 AMAQI
17th Jul 2025328 AMAQI
17th Jul 2025309 AMAQI
17th Jul 20253210 AMAQI
17th Jul 20253211 AMAQI
17th Jul 20253112 PMAQI
17th Jul 2025331 PMAQI
17th Jul 2025322 PMAQI
17th Jul 2025343 PMAQI
17th Jul 2025324 PMAQI
17th Jul 2025325 PMAQI
17th Jul 2025306 PMAQI
17th Jul 2025317 PMAQI
17th Jul 2025318 PMAQI
17th Jul 2025329 PMAQI
17th Jul 20253110 PMAQI
17th Jul 20253211 PMAQI
18th Jul 20253212 AMAQI
18th Jul 2025321 AMAQI
18th Jul 2025322 AMAQI
18th Jul 2025303 AMAQI
18th Jul 2025294 AMAQI
17°C13/24°C
18th Jul 2025285 AMAQI
18th Jul 2025276 AMAQI
18th Jul 2025287 AMAQI
18th Jul 2025278 AMAQI
18th Jul 2025289 AMAQI
18th Jul 20252910 AMAQI
18th Jul 20252911 AMAQI
18th Jul 20253012 PMAQI
18th Jul 2025281 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025293 PMAQI
18th Jul 2025344 PMAQI
18th Jul 2025435 PMAQI
18th Jul 2025296 PMAQI
18th Jul 2025287 PMAQI
18th Jul 2025288 PMAQI
18th Jul 2025289 PMAQI
18th Jul 20252810 PMAQI
18th Jul 20252911 PMAQI
19th Jul 20253012 AMAQI
19th Jul 2025301 AMAQI
19th Jul 2025292 AMAQI
19th Jul 2025283 AMAQI
19th Jul 2025294 AMAQI
15°C12/19°C
19th Jul 2025285 AMAQI
19th Jul 2025296 AMAQI
19th Jul 2025287 AMAQI
19th Jul 2025288 AMAQI
19th Jul 2025289 AMAQI
19th Jul 20252810 AMAQI
19th Jul 20252911 AMAQI
19th Jul 20252712 PMAQI
19th Jul 2025271 PMAQI
19th Jul 2025282 PMAQI
19th Jul 2025283 PMAQI
19th Jul 2025284 PMAQI
19th Jul 2025275 PMAQI
19th Jul 2025286 PMAQI
19th Jul 2025297 PMAQI
19th Jul 2025288 PMAQI
19th Jul 2025289 PMAQI
19th Jul 20252710 PMAQI
19th Jul 20252811 PMAQI
20th Jul 20252812 AMAQI
20th Jul 2025281 AMAQI
20th Jul 2025282 AMAQI
20th Jul 2025303 AMAQI
20th Jul 2025304 AMAQI
19°C13/26°C
20th Jul 2025285 AMAQI
20th Jul 2025276 AMAQI
20th Jul 2025307 AMAQI
20th Jul 2025288 AMAQI
20th Jul 2025269 AMAQI
20th Jul 20252810 AMAQI
20th Jul 20252611 AMAQI
20th Jul 20252612 PMAQI
20th Jul 2025271 PMAQI
20th Jul 2025282 PMAQI
20th Jul 2025293 PMAQI
20th Jul 2025304 PMAQI
20th Jul 2025305 PMAQI
20th Jul 2025296 PMAQI
20th Jul 2025307 PMAQI
20th Jul 2025308 PMAQI
20th Jul 2025309 PMAQI
20th Jul 20252810 PMAQI
20th Jul 20252811 PMAQI
21st Jul 20252912 AMAQI
21st Jul 2025281 AMAQI
21st Jul 2025292 AMAQI
21st Jul 2025323 AMAQI
21st Jul 2025334 AMAQI
22°C17/29°C
21st Jul 2025345 AMAQI
21st Jul 2025326 AMAQI
21st Jul 2025337 AMAQI
21st Jul 2025338 AMAQI
21st Jul 2025309 AMAQI
21st Jul 20253210 AMAQI
21st Jul 20253111 AMAQI
21st Jul 20252812 PMAQI
21st Jul 2025301 PMAQI
21st Jul 2025312 PMAQI
21st Jul 2025323 PMAQI
21st Jul 2025324 PMAQI
21st Jul 2025345 PMAQI
21st Jul 2025336 PMAQI
21st Jul 2025347 PMAQI
21st Jul 2025348 PMAQI
21st Jul 2025339 PMAQI
21st Jul 20253310 PMAQI
21st Jul 20253311 PMAQI
22nd Jul 20253212 AMAQI
22nd Jul 2025321 AMAQI
22nd Jul 2025322 AMAQI
22nd Jul 2025303 AMAQI
22nd Jul 2025304 AMAQI
24°C17/32°C
22nd Jul 2025365 AMAQI
22nd Jul 2025326 AMAQI
22nd Jul 2025327 AMAQI
22nd Jul 2025338 AMAQI
22nd Jul 2025309 AMAQI
22nd Jul 20253010 AMAQI
22nd Jul 20252911 AMAQI
22nd Jul 20252812 PMAQI
22nd Jul 2025271 PMAQI
22nd Jul 2025282 PMAQI
22nd Jul 2025313 PMAQI
22nd Jul 2025304 PMAQI
22nd Jul 2025305 PMAQI
22nd Jul 2025306 PMAQI
22nd Jul 2025317 PMAQI
22nd Jul 2025328 PMAQI
22nd Jul 2025329 PMAQI
22nd Jul 20253210 PMAQI
22nd Jul 20253111 PMAQI
23rd Jul 20253112 AMAQI
23rd Jul 2025321 AMAQI
23rd Jul 2025322 AMAQI
23rd Jul 2025273 AMAQI
23rd Jul 2025264 AMAQI
25°C19/31°C
23rd Jul 2025265 AMAQI
23rd Jul 2025266 AMAQI
23rd Jul 2025307 AMAQI
23rd Jul 2025278 AMAQI
23rd Jul 2025279 AMAQI
23rd Jul 20252810 AMAQI
23rd Jul 20252711 AMAQI
23rd Jul 20252512 PMAQI
23rd Jul 2025261 PMAQI
23rd Jul 2025262 PMAQI
23rd Jul 2025273 PMAQI
23rd Jul 2025284 PMAQI
23rd Jul 2025285 PMAQI
23rd Jul 2025276 PMAQI
23rd Jul 2025277 PMAQI
23rd Jul 2025288 PMAQI
23rd Jul 2025289 PMAQI
23rd Jul 20252810 PMAQI
23rd Jul 20252711 PMAQI
24th Jul 20252812 AMAQI
24th Jul 2025281 AMAQI
24th Jul 2025272 AMAQI
24th Jul 2025273 AMAQI
24th Jul 2025264 AMAQI
24°C17/31°C
24th Jul 2025255 AMAQI
24th Jul 2025266 AMAQI
24th Jul 2025277 AMAQI
24th Jul 2025388 AMAQI
24th Jul 2025289 AMAQI
24th Jul 20252710 AMAQI
24th Jul 20252611 AMAQI
24th Jul 20252812 PMAQI
24th Jul 2025261 PMAQI
24th Jul 2025262 PMAQI
24th Jul 2025263 PMAQI
24th Jul 2025274 PMAQI
24th Jul 2025265 PMAQI
24th Jul 2025276 PMAQI
24th Jul 2025267 PMAQI
24th Jul 2025278 PMAQI
24th Jul 2025279 PMAQI
24th Jul 20252610 PMAQI
24th Jul 20252811 PMAQI
25th Jul 20252712 AMAQI
25th Jul 2025281 AMAQI
25th Jul 2025282 AMAQI
25th Jul 2025283 AMAQI
25th Jul 2025304 AMAQI
25°C17/32°C
25th Jul 2025285 AMAQI
25th Jul 2025296 AMAQI
25th Jul 2025287 AMAQI
25th Jul 2025308 AMAQI
25th Jul 2025469 AMAQI
25th Jul 20253010 AMAQI
25th Jul 20252911 AMAQI
25th Jul 20253112 PMAQI
25th Jul 2025301 PMAQI
25th Jul 2025282 PMAQI
25th Jul 2025303 PMAQI
25th Jul 2025304 PMAQI
25th Jul 2025295 PMAQI
25th Jul 2025306 PMAQI
25th Jul 2025307 PMAQI
25th Jul 2025298 PMAQI
25th Jul 2025309 PMAQI
25th Jul 20253010 PMAQI
25th Jul 20252911 PMAQI
26th Jul 20252912 AMAQI
26th Jul 2025291 AMAQI
26th Jul 2025292 AMAQI
26th Jul 2025323 AMAQI
26th Jul 2025324 AMAQI
27°C19/35°C
26th Jul 2025335 AMAQI
26th Jul 2025336 AMAQI
26th Jul 2025317 AMAQI
26th Jul 2025308 AMAQI
26th Jul 2025309 AMAQI
26th Jul 20253110 AMAQI
26th Jul 20253011 AMAQI
26th Jul 20253012 PMAQI
26th Jul 2025321 PMAQI
26th Jul 2025312 PMAQI
26th Jul 2025313 PMAQI
26th Jul 2025324 PMAQI
26th Jul 2025325 PMAQI
26th Jul 2025326 PMAQI
26th Jul 2025327 PMAQI
26th Jul 2025328 PMAQI
26th Jul 2025319 PMAQI
26th Jul 20253210 PMAQI
26th Jul 20253211 PMAQI
27th Jul 20253212 AMAQI
27th Jul 2025321 AMAQI
27th Jul 2025322 AMAQI
27th Jul 2025343 AMAQI
27th Jul 2025324 AMAQI
26°C20/38°C
27th Jul 2025325 AMAQI
27th Jul 2025316 AMAQI
27th Jul 2025327 AMAQI
27th Jul 2025328 AMAQI
27th Jul 2025319 AMAQI
27th Jul 20253010 AMAQI
27th Jul 20253211 AMAQI
27th Jul 20253012 PMAQI
27th Jul 2025301 PMAQI
27th Jul 2025312 PMAQI
27th Jul 2025333 PMAQI
27th Jul 2025324 PMAQI
27th Jul 2025315 PMAQI
27th Jul 2025306 PMAQI
27th Jul 2025327 PMAQI
27th Jul 2025328 PMAQI
27th Jul 2025339 PMAQI
27th Jul 20253210 PMAQI
27th Jul 20253211 PMAQI
28th Jul 20253212 AMAQI
28th Jul 2025331 AMAQI
28th Jul 2025342 AMAQI
28th Jul 2025293 AMAQI
28th Jul 2025314 AMAQI
20°C17/22°C
28th Jul 2025285 AMAQI
28th Jul 2025286 AMAQI
28th Jul 2025287 AMAQI
28th Jul 2025298 AMAQI
28th Jul 2025289 AMAQI
28th Jul 20252910 AMAQI
28th Jul 20252811 AMAQI
28th Jul 20253912 PMAQI
28th Jul 2025311 PMAQI
28th Jul 2025302 PMAQI
28th Jul 2025283 PMAQI
28th Jul 2025284 PMAQI
28th Jul 2025285 PMAQI
28th Jul 2025286 PMAQI
28th Jul 2025287 PMAQI
28th Jul 2025298 PMAQI
28th Jul 2025299 PMAQI
28th Jul 20252910 PMAQI
28th Jul 20252811 PMAQI
29th Jul 20252912 AMAQI
29th Jul 2025301 AMAQI
29th Jul 2025292 AMAQI
29th Jul 2025273 AMAQI
29th Jul 2025264 AMAQI
20°C14/25°C
29th Jul 2025275 AMAQI
29th Jul 2025256 AMAQI
29th Jul 2025277 AMAQI
29th Jul 2025268 AMAQI
29th Jul 2025289 AMAQI
29th Jul 20252610 AMAQI
29th Jul 20252811 AMAQI
29th Jul 20252712 PMAQI
29th Jul 2025281 PMAQI
29th Jul 2025262 PMAQI
29th Jul 2025273 PMAQI
29th Jul 2025274 PMAQI
29th Jul 2025265 PMAQI
29th Jul 2025266 PMAQI
29th Jul 2025277 PMAQI
29th Jul 2025278 PMAQI
29th Jul 2025279 PMAQI
29th Jul 20252610 PMAQI
29th Jul 20252711 PMAQI
30th Jul 20252712 AMAQI
30th Jul 2025271 AMAQI
30th Jul 2025262 AMAQI
30th Jul 2025263 AMAQI
30th Jul 2025254 AMAQI
20°C16/25°C
30th Jul 2025265 AMAQI
30th Jul 2025266 AMAQI
30th Jul 2025267 AMAQI
30th Jul 2025268 AMAQI
30th Jul 2025269 AMAQI
30th Jul 20252810 AMAQI
30th Jul 20252711 AMAQI
30th Jul 20252712 PMAQI
30th Jul 2025261 PMAQI
30th Jul 2025262 PMAQI
30th Jul 2025263 PMAQI
30th Jul 2025254 PMAQI
30th Jul 2025255 PMAQI
30th Jul 2025256 PMAQI
30th Jul 2025257 PMAQI
30th Jul 2025268 PMAQI
30th Jul 2025259 PMAQI
30th Jul 20252710 PMAQI
30th Jul 20252711 PMAQI
31st Jul 20252712 AMAQI
31st Jul 2025271 AMAQI
31st Jul 2025272 AMAQI
31st Jul 2025273 AMAQI
31st Jul 2025274 AMAQI
19°C15/25°C
31st Jul 2025255 AMAQI
31st Jul 2025266 AMAQI
31st Jul 2025267 AMAQI
31st Jul 2025268 AMAQI
31st Jul 2025259 AMAQI
31st Jul 20252610 AMAQI
31st Jul 20252511 AMAQI
31st Jul 20252612 PMAQI
31st Jul 2025261 PMAQI
31st Jul 2025232 PMAQI
31st Jul 2025263 PMAQI
31st Jul 2025274 PMAQI
31st Jul 2025275 PMAQI
31st Jul 2025276 PMAQI
31st Jul 2025277 PMAQI
31st Jul 2025288 PMAQI
31st Jul 2025269 PMAQI
31st Jul 20252810 PMAQI
31st Jul 20252611 PMAQI
1st Aug 20252512 AMAQI
1st Aug 2025251 AMAQI
1st Aug 2025252 AMAQI
1st Aug 2025293 AMAQI
1st Aug 2025264 AMAQI
20°C14/27°C
1st Aug 2025245 AMAQI
1st Aug 2025266 AMAQI
1st Aug 2025267 AMAQI
1st Aug 2025268 AMAQI
1st Aug 2025309 AMAQI
1st Aug 20252610 AMAQI
1st Aug 20252611 AMAQI
1st Aug 20252512 PMAQI
1st Aug 2025261 PMAQI
1st Aug 2025252 PMAQI
1st Aug 2025253 PMAQI
1st Aug 2025264 PMAQI
1st Aug 2025265 PMAQI
1st Aug 2025266 PMAQI
1st Aug 2025257 PMAQI
1st Aug 2025268 PMAQI
1st Aug 2025269 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 2025264 AMAQI
20°C13/27°C
2nd Aug 2025255 AMAQI
2nd Aug 2025246 AMAQI
2nd Aug 2025257 AMAQI
2nd Aug 2025258 AMAQI
2nd Aug 2025269 AMAQI
2nd Aug 20252610 AMAQI
2nd Aug 20252711 AMAQI
2nd Aug 20252712 PMAQI
2nd Aug 2025261 PMAQI
2nd Aug 2025262 PMAQI
2nd Aug 2025253 PMAQI
2nd Aug 2025264 PMAQI
2nd Aug 2025265 PMAQI
2nd Aug 2025276 PMAQI
2nd Aug 2025277 PMAQI
2nd Aug 2025298 PMAQI
2nd Aug 2025299 PMAQI
2nd Aug 20252610 PMAQI
2nd Aug 20252611 PMAQI
3rd Aug 20252612 AMAQI
3rd Aug 2025261 AMAQI
3rd Aug 2025272 AMAQI
3rd Aug 2025263 AMAQI
3rd Aug 2025264 AMAQI
22°C14/29°C
3rd Aug 2025285 AMAQI
3rd Aug 2025286 AMAQI
3rd Aug 2025277 AMAQI
3rd Aug 2025278 AMAQI
3rd Aug 2025289 AMAQI
3rd Aug 20252810 AMAQI
3rd Aug 20252711 AMAQI
3rd Aug 20252912 PMAQI
3rd Aug 2025251 PMAQI
3rd Aug 2025282 PMAQI
3rd Aug 2025273 PMAQI
3rd Aug 2025284 PMAQI
3rd Aug 2025285 PMAQI
3rd Aug 2025276 PMAQI
3rd Aug 2025267 PMAQI
3rd Aug 2025288 PMAQI
3rd Aug 2025289 PMAQI
3rd Aug 20252810 PMAQI
3rd Aug 20252811 PMAQI
4th Aug 20252712 AMAQI
4th Aug 2025281 AMAQI
4th Aug 2025282 AMAQI
4th Aug 2025283 AMAQI
4th Aug 2025264 AMAQI
20°C16/29°C
4th Aug 2025265 AMAQI
4th Aug 2025276 AMAQI
4th Aug 2025257 AMAQI
4th Aug 2025308 AMAQI
4th Aug 2025349 AMAQI
4th Aug 20252710 AMAQI
4th Aug 20252811 AMAQI
4th Aug 20252912 PMAQI
4th Aug 2025271 PMAQI
4th Aug 2025272 PMAQI
4th Aug 2025283 PMAQI
4th Aug 2025284 PMAQI
4th Aug 2025285 PMAQI
4th Aug 2025286 PMAQI
4th Aug 2025287 PMAQI
4th Aug 2025278 PMAQI
4th Aug 2025289 PMAQI
4th Aug 20252610 PMAQI
4th Aug 20252711 PMAQI
5th Aug 20252812 AMAQI
5th Aug 2025291 AMAQI
5th Aug 2025262 AMAQI
5th Aug 2025283 AMAQI
5th Aug 2025274 AMAQI
20°C17/26°C
5th Aug 2025405 AMAQI
5 AM5th Aug 2025286 AMAQI
5th Aug 2025287 AMAQI
5th Aug 2025288 AMAQI
5th Aug 2025289 AMAQI
5th Aug 20252810 AMAQI
5th Aug 20253011 AMAQI
5th Aug 20252912 PMAQI
5th Aug 2025291 PMAQI
1 PM5th Aug 2025302 PMAQI
5th Aug 2025283 PMAQI
5th Aug 2025284 PMAQI
5th Aug 2025295 PMAQI
9 PM
1 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 9 PM
29AQI
17 hours / Day
510 hours / Month
Avg. Lowest Time
5 AM - 9 PM
29AQI
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. 29), while the lowest AQI was between 5 AM to 9 PM (Avg. 29).
Night time
Avg. Highest Time
12 AM - 11 PM
29AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
12 AM - 11 PM
29AQI
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. 29), while the lowest AQI was between 12 AM to 11 PM (Avg. 29).
2025 Days Vs Air Quality
Zalau, Slaj, Romania
2025
61%
132
39%
84
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
132 DaysModerate
84 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 61%
Health Risk Level:
Moderate
In 2025, 61% of 217 days were within WHO’s safe air quality limits, and 39% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Zalau, Slaj, 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
64AQI
64AQI
2nd January 2025
63AQI
63AQI
3rd January 2025
61AQI
61AQI
4th January 2025
59AQI
59AQI
5th January 2025
58AQI
58AQI
6th January 2025
57AQI
57AQI
7th January 2025
55AQI
55AQI
8th January 2025
54AQI
54AQI
9th January 2025
54AQI
54AQI
10th January 2025
52AQI
52AQI
11th January 2025
50AQI
50AQI
12th January 2025
47AQI
47AQI
13th January 2025
47AQI
47AQI
14th January 2025
51AQI
51AQI
15th January 2025
54AQI
54AQI
16th January 2025
56AQI
56AQI
17th January 2025
57AQI
57AQI
18th January 2025
58AQI
58AQI
19th January 2025
59AQI
59AQI
20th January 2025
59AQI
59AQI
21st January 2025
61AQI
61AQI
22nd January 2025
63AQI
63AQI
23rd January 2025
63AQI
63AQI
24th January 2025
63AQI
63AQI
25th January 2025
63AQI
63AQI
26th January 2025
62AQI
62AQI
27th January 2025
61AQI
61AQI
28th January 2025
61AQI
61AQI
29th January 2025
59AQI
59AQI
30th January 2025
58AQI
58AQI
31st January 2025
58AQI
58AQI
1st February 2025
58AQI
58AQI
2nd February 2025
59AQI
59AQI
3rd February 2025
58AQI
58AQI
4th February 2025
59AQI
59AQI
5th February 2025
59AQI
59AQI
6th February 2025
60AQI
60AQI
7th February 2025
60AQI
60AQI
8th February 2025
60AQI
60AQI
9th February 2025
62AQI
62AQI
10th February 2025
62AQI
62AQI
11th February 2025
62AQI
62AQI
12th February 2025
62AQI
62AQI
13th February 2025
62AQI
62AQI
14th February 2025
64AQI
64AQI
15th February 2025
64AQI
64AQI
16th February 2025
63AQI
63AQI
17th February 2025
62AQI
62AQI
18th February 2025
63AQI
63AQI
19th February 2025
63AQI
63AQI
20th February 2025
63AQI
63AQI
21st February 2025
62AQI
62AQI
22nd February 2025
62AQI
62AQI
23rd February 2025
61AQI
61AQI
24th February 2025
61AQI
61AQI
25th February 2025
62AQI
62AQI
26th February 2025
63AQI
63AQI
27th February 2025
64AQI
64AQI
28th February 2025
63AQI
63AQI
1st March 2025
62AQI
62AQI
2nd March 2025
61AQI
61AQI
3rd March 2025
60AQI
60AQI
4th March 2025
58AQI
58AQI
5th March 2025
58AQI
58AQI
6th March 2025
58AQI
58AQI
7th March 2025
58AQI
58AQI
8th March 2025
59AQI
59AQI
9th March 2025
58AQI
58AQI
10th March 2025
59AQI
59AQI
11th March 2025
58AQI
58AQI
12th March 2025
56AQI
56AQI
13th March 2025
56AQI
56AQI
14th March 2025
54AQI
54AQI
15th March 2025
53AQI
53AQI
16th March 2025
52AQI
52AQI
17th March 2025
50AQI
50AQI
18th March 2025
48AQI
48AQI
19th March 2025
47AQI
47AQI
20th March 2025
49AQI
49AQI
21st March 2025
51AQI
51AQI
22nd March 2025
54AQI
54AQI
23rd March 2025
56AQI
56AQI
24th March 2025
57AQI
57AQI
25th March 2025
56AQI
56AQI
26th March 2025
55AQI
55AQI
27th March 2025
55AQI
55AQI
28th March 2025
54AQI
54AQI
29th March 2025
53AQI
53AQI
30th March 2025
53AQI
53AQI
31st March 2025
52AQI
52AQI
1st April 2025
52AQI
52AQI
2nd April 2025
50AQI
50AQI
3rd April 2025
50AQI
50AQI
4th April 2025
49AQI
49AQI
5th April 2025
48AQI
48AQI
6th April 2025
46AQI
46AQI
7th April 2025
44AQI
44AQI
8th April 2025
44AQI
44AQI
9th April 2025
43AQI
43AQI
10th April 2025
43AQI
43AQI
11th April 2025
42AQI
42AQI
12th April 2025
41AQI
41AQI
13th April 2025
40AQI
40AQI
14th April 2025
39AQI
39AQI
15th April 2025
38AQI
38AQI
16th April 2025
38AQI
38AQI
17th April 2025
38AQI
38AQI
18th April 2025
37AQI
37AQI
19th April 2025
35AQI
35AQI
20th April 2025
34AQI
34AQI
21st April 2025
32AQI
32AQI
22nd April 2025
31AQI
31AQI
23rd April 2025
31AQI
31AQI
24th April 2025
30AQI
30AQI
25th April 2025
30AQI
30AQI
26th April 2025
30AQI
30AQI
27th April 2025
29AQI
29AQI
28th April 2025
29AQI
29AQI
29th April 2025
29AQI
29AQI
30th April 2025
29AQI
29AQI
1st May 2025
29AQI
29AQI
2nd May 2025
32AQI
32AQI
3rd May 2025
35AQI
35AQI
4th May 2025
36AQI
36AQI
5th May 2025
35AQI
35AQI
6th May 2025
33AQI
33AQI
7th May 2025
35AQI
35AQI
8th May 2025
35AQI
35AQI
9th May 2025
35AQI
35AQI
10th May 2025
37AQI
37AQI
11th May 2025
36AQI
36AQI
12th May 2025
35AQI
35AQI
13th May 2025
34AQI
34AQI
14th May 2025
34AQI
34AQI
15th May 2025
35AQI
35AQI
16th May 2025
31AQI
31AQI
17th May 2025
32AQI
32AQI
18th May 2025
31AQI
31AQI
19th May 2025
30AQI
30AQI
20th May 2025
31AQI
31AQI
21st May 2025
32AQI
32AQI
22nd May 2025
33AQI
33AQI
23rd May 2025
36AQI
36AQI
24th May 2025
33AQI
33AQI
25th May 2025
32AQI
32AQI
26th May 2025
30AQI
30AQI
27th May 2025
30AQI
30AQI
28th May 2025
29AQI
29AQI
29th May 2025
27AQI
27AQI
30th May 2025
25AQI
25AQI
31st May 2025
28AQI
28AQI
1st June 2025
29AQI
29AQI
2nd June 2025
30AQI
30AQI
3rd June 2025
31AQI
31AQI
4th June 2025
30AQI
30AQI
5th June 2025
31AQI
31AQI
6th June 2025
35AQI
35AQI
7th June 2025
37AQI
37AQI
8th June 2025
36AQI
36AQI
9th June 2025
33AQI
33AQI
10th June 2025
35AQI
35AQI
11th June 2025
46AQI
46AQI
12th June 2025
43AQI
43AQI
13th June 2025
40AQI
40AQI
14th June 2025
36AQI
36AQI
15th June 2025
34AQI
34AQI
16th June 2025
34AQI
34AQI
17th June 2025
36AQI
36AQI
18th June 2025
37AQI
37AQI
19th June 2025
40AQI
40AQI
20th June 2025
38AQI
38AQI
21st June 2025
35AQI
35AQI
22nd June 2025
34AQI
34AQI
23rd June 2025
34AQI
34AQI
24th June 2025
33AQI
33AQI
25th June 2025
32AQI
32AQI
26th June 2025
33AQI
33AQI
27th June 2025
32AQI
32AQI
28th June 2025
29AQI
29AQI
29th June 2025
28AQI
28AQI
30th June 2025
27AQI
27AQI
1st July 2025
28AQI
28AQI
2nd July 2025
26AQI
26AQI
3rd July 2025
27AQI
27AQI
4th July 2025
29AQI
29AQI
5th July 2025
31AQI
31AQI
6th July 2025
33AQI
33AQI
7th July 2025
35AQI
35AQI
8th July 2025
33AQI
33AQI
9th July 2025
29AQI
29AQI
10th July 2025
26AQI
26AQI
11th July 2025
24AQI
24AQI
12th July 2025
24AQI
24AQI
13th July 2025
25AQI
25AQI
14th July 2025
28AQI
28AQI
15th July 2025
30AQI
30AQI
16th July 2025
32AQI
32AQI
17th July 2025
32AQI
32AQI
18th July 2025
30AQI
30AQI
19th July 2025
28AQI
28AQI
20th July 2025
28AQI
28AQI
21st July 2025
32AQI
32AQI
22nd July 2025
31AQI
31AQI
23rd July 2025
28AQI
28AQI
24th July 2025
27AQI
27AQI
25th July 2025
30AQI
30AQI
26th July 2025
31AQI
31AQI
27th July 2025
32AQI
32AQI
28th July 2025
30AQI
30AQI
29th July 2025
27AQI
27AQI
30th July 2025
26AQI
26AQI
31st July 2025
26AQI
26AQI
1st August 2025
26AQI
26AQI
2nd August 2025
26AQI
26AQI
3rd August 2025
27AQI
27AQI
4th August 2025
27AQI
27AQI
58AQI
62AQI
55AQI
38AQI
32AQI
34AQI
29AQI
27AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202544AQI
3
28
28
4
27
29
1
31
30
31
4
132
84
Highest AQI recorded in
February62AQI
Lowest AQI recorded in
August27AQI
202448AQI
4
11
1
12
29
1
23
8
31
16
13
21
9
1
1
24
5
31
137
97
7
Highest AQI recorded in
November75AQI
Lowest AQI recorded in
August28AQI
202318AQI
31
28
31
30
30
3
6
24
1
156
27
1
Highest AQI recorded in
December71AQI
Lowest AQI recorded in
May4AQI
202217AQI
31
21
31
30
31
30
15
1
7
4
29
31
30
31
314
1
7
Highest AQI recorded in
July66AQI
Lowest AQI recorded in
August4AQI
202119AQI
31
28
31
30
31
28
2
31
31
30
31
28
2
28
3
358
7
Highest AQI recorded in
November30AQI
Lowest AQI recorded in
May8AQI
202019AQI
13
21
18
30
31
31
30
26
28
2
31
259
2
Highest AQI recorded in
November25AQI
Lowest AQI recorded in
December7AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2024(Avg.)
48AQILeast Polluted Year Recorded
2022(Avg.)
17AQIZalau's annual 2025 AQI (44) shows an average percentage change of 109.5% (worsened AQI) compared to previous years: 2020 (19), 2021 (19), 2022 (17), 2023 (18), 2024 (48).
