Country Background

Alta, Linz, Oberosterreich, Austria 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

Alta, Linz, Oberosterreich, Austria

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
29th Aug 2024
54AQI
Lowest AQI recorded on
29th Aug 2023
9AQI


Same Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 23 of Good air quality, showing improvement over 2024 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025

Alta, Linz, Oberosterreich, Austria

AQI
Day
Night
.

5 AM2nd Aug 2025

8 PM

4 AM3rd Aug 2025

Day time
Avg. Highest Time
11AM2nd Aug

48AQI

Avg. Lowest Time
8PM2nd Aug

20AQI

Night time
Avg. Highest Time
2AM3rd Aug

25AQI

Avg. Lowest Time
4AM3rd Aug

20AQI

In the last 24 hours,

Alta's AQI reached its highest point of 48 at 11 AM during the Day, while the lowest point, 20, was recorded at 4 AM during the Night between 2nd Aug and 3rd Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Alta, Linz, Oberosterreich, Austria

JulAug
04th - 05th05th - 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
Day
Night
4th Jul 2025585 AMAQI
4th Jul 2025586 AMAQI
4th Jul 2025487 AMAQI
4th Jul 2025388 AMAQI
4th Jul 2025399 AMAQI
4th Jul 20254210 AMAQI
4th Jul 20253811 AMAQI
4th Jul 20253512 PMAQI
4th Jul 2025391 PMAQI
4th Jul 2025402 PMAQI
4th Jul 2025403 PMAQI
4th Jul 2025384 PMAQI
4th Jul 2025405 PMAQI
4th Jul 2025386 PMAQI
4th Jul 2025407 PMAQI
4th Jul 2025408 PMAQI
4th Jul 2025429 PMAQI
4th Jul 20254210 PMAQI
4th Jul 20254211 PMAQI
5th Jul 20254412 AMAQI
5th Jul 2025481 AMAQI
5th Jul 2025472 AMAQI
5th Jul 2025483 AMAQI
5th Jul 2025474 AMAQI

19°C14/23°C

5th Jul 2025505 AMAQI
5th Jul 2025546 AMAQI
5th Jul 2025487 AMAQI
5th Jul 2025408 AMAQI
5th Jul 2025399 AMAQI
5th Jul 20253310 AMAQI
5th Jul 20253611 AMAQI
5th Jul 20253312 PMAQI
5th Jul 2025331 PMAQI
5th Jul 2025362 PMAQI
5th Jul 2025343 PMAQI
5th Jul 2025344 PMAQI
5th Jul 2025345 PMAQI
5th Jul 2025346 PMAQI
5th Jul 2025347 PMAQI
5th Jul 2025358 PMAQI
5th Jul 2025389 PMAQI
5th Jul 20254010 PMAQI
5th Jul 20254011 PMAQI
6th Jul 20254012 AMAQI
6th Jul 2025401 AMAQI
6th Jul 2025392 AMAQI
6th Jul 2025383 AMAQI
6th Jul 2025364 AMAQI

20°C12/28°C

6th Jul 2025375 AMAQI
6th Jul 2025406 AMAQI
6th Jul 2025437 AMAQI
6th Jul 2025448 AMAQI
6th Jul 2025419 AMAQI
6th Jul 20253910 AMAQI
6th Jul 20254011 AMAQI
6th Jul 20253812 PMAQI
6th Jul 2025371 PMAQI
6th Jul 2025362 PMAQI
6th Jul 2025353 PMAQI
6th Jul 2025344 PMAQI
6th Jul 2025335 PMAQI
6th Jul 2025386 PMAQI
6th Jul 2025397 PMAQI
6th Jul 2025378 PMAQI
6th Jul 2025379 PMAQI
6th Jul 20253710 PMAQI
6th Jul 20253711 PMAQI
7th Jul 20253712 AMAQI
7th Jul 2025371 AMAQI
7th Jul 2025412 AMAQI
7th Jul 2025353 AMAQI
7th Jul 2025344 AMAQI

20°C14/29°C

7th Jul 2025255 AMAQI
7th Jul 2025306 AMAQI
7th Jul 2025327 AMAQI
7th Jul 2025308 AMAQI
7th Jul 2025289 AMAQI
7th Jul 20252510 AMAQI
7th Jul 20252411 AMAQI
7th Jul 20252512 PMAQI
7th Jul 2025271 PMAQI
7th Jul 2025302 PMAQI
7th Jul 2025303 PMAQI
7th Jul 2025304 PMAQI
7th Jul 2025295 PMAQI
7th Jul 2025286 PMAQI
7th Jul 2025287 PMAQI
7th Jul 2025288 PMAQI
7th Jul 2025289 PMAQI
7th Jul 20253110 PMAQI
7th Jul 20253011 PMAQI
8th Jul 20253012 AMAQI
8th Jul 2025311 AMAQI
8th Jul 2025222 AMAQI
8th Jul 2025203 AMAQI
8th Jul 2025174 AMAQI

17°C15/23°C

8th Jul 2025175 AMAQI
8th Jul 2025226 AMAQI
8th Jul 2025227 AMAQI
8th Jul 2025208 AMAQI
8th Jul 2025219 AMAQI
8th Jul 20251910 AMAQI
8th Jul 20251811 AMAQI
8th Jul 20252012 PMAQI
8th Jul 2025201 PMAQI
8th Jul 2025212 PMAQI
8th Jul 2025203 PMAQI
8th Jul 2025214 PMAQI
8th Jul 2025205 PMAQI
8th Jul 2025226 PMAQI
8th Jul 2025227 PMAQI
8th Jul 2025248 PMAQI
8th Jul 2025239 PMAQI
8th Jul 20252310 PMAQI
8th Jul 20252511 PMAQI
9th Jul 20252412 AMAQI
9th Jul 2025241 AMAQI
9th Jul 2025272 AMAQI
9th Jul 2025253 AMAQI
9th Jul 2025204 AMAQI

13°C11/15°C

9th Jul 2025215 AMAQI
9th Jul 2025256 AMAQI
9th Jul 2025257 AMAQI
9th Jul 2025258 AMAQI
9th Jul 2025269 AMAQI
9th Jul 20253010 AMAQI
9th Jul 20253011 AMAQI
9th Jul 20253012 PMAQI
9th Jul 2025281 PMAQI
9th Jul 2025252 PMAQI
9th Jul 2025253 PMAQI
9th Jul 2025264 PMAQI
9th Jul 2025265 PMAQI
9th Jul 2025246 PMAQI
9th Jul 2025247 PMAQI
9th Jul 2025228 PMAQI
9th Jul 2025229 PMAQI
9th Jul 20252310 PMAQI
9th Jul 20252411 PMAQI
10th Jul 20252412 AMAQI
10th Jul 2025251 AMAQI
10th Jul 2025252 AMAQI
10th Jul 2025273 AMAQI
10th Jul 2025274 AMAQI

14°C10/20°C

10th Jul 2025305 AMAQI
10th Jul 2025326 AMAQI
10th Jul 2025317 AMAQI
10th Jul 2025298 AMAQI
10th Jul 2025339 AMAQI
10th Jul 20253010 AMAQI
10th Jul 20253111 AMAQI
10th Jul 20253112 PMAQI
10th Jul 2025321 PMAQI
10th Jul 2025262 PMAQI
10th Jul 2025253 PMAQI
10th Jul 2025254 PMAQI
10th Jul 2025275 PMAQI
10th Jul 2025226 PMAQI
10th Jul 2025237 PMAQI
10th Jul 2025258 PMAQI
10th Jul 2025249 PMAQI
10th Jul 20252710 PMAQI
10th Jul 20252611 PMAQI
11th Jul 20252612 AMAQI
11th Jul 2025271 AMAQI
11th Jul 2025262 AMAQI
11th Jul 2025243 AMAQI
11th Jul 2025244 AMAQI

14°C9/18°C

11th Jul 2025245 AMAQI
11th Jul 2025256 AMAQI
11th Jul 2025247 AMAQI
11th Jul 2025258 AMAQI
11th Jul 2025269 AMAQI
11th Jul 20253010 AMAQI
11th Jul 20253611 AMAQI
11th Jul 20254512 PMAQI
11th Jul 2025361 PMAQI
11th Jul 2025262 PMAQI
11th Jul 2025243 PMAQI
11th Jul 2025254 PMAQI
11th Jul 2025235 PMAQI
11th Jul 2025246 PMAQI
11th Jul 2025227 PMAQI
11th Jul 2025208 PMAQI
11th Jul 2025229 PMAQI
11th Jul 20252410 PMAQI
11th Jul 20252611 PMAQI
12th Jul 20252612 AMAQI
12th Jul 2025251 AMAQI
12th Jul 2025202 AMAQI
12th Jul 2025203 AMAQI
12th Jul 2025224 AMAQI

15°C9/20°C

12th Jul 2025225 AMAQI
12th Jul 2025246 AMAQI
12th Jul 2025257 AMAQI
12th Jul 2025268 AMAQI
12th Jul 2025289 AMAQI
12th Jul 20252810 AMAQI
12th Jul 20252811 AMAQI
12th Jul 20252412 PMAQI
12th Jul 2025301 PMAQI
12th Jul 2025222 PMAQI
12th Jul 2025213 PMAQI
12th Jul 2025214 PMAQI
12th Jul 2025215 PMAQI
12th Jul 2025206 PMAQI
12th Jul 2025217 PMAQI
12th Jul 2025218 PMAQI
12th Jul 2025229 PMAQI
12th Jul 20252310 PMAQI
12th Jul 20252411 PMAQI
13th Jul 20252412 AMAQI
13th Jul 2025241 AMAQI
13th Jul 2025262 AMAQI
13th Jul 2025303 AMAQI
13th Jul 2025294 AMAQI

17°C11/24°C

13th Jul 2025305 AMAQI
13th Jul 2025316 AMAQI
13th Jul 2025317 AMAQI
13th Jul 2025328 AMAQI
13th Jul 2025329 AMAQI
13th Jul 20253010 AMAQI
13th Jul 20252811 AMAQI
13th Jul 20252612 PMAQI
13th Jul 2025221 PMAQI
13th Jul 2025262 PMAQI
13th Jul 2025243 PMAQI
13th Jul 2025234 PMAQI
13th Jul 2025245 PMAQI
13th Jul 2025236 PMAQI
13th Jul 2025247 PMAQI
13th Jul 2025248 PMAQI
13th Jul 2025269 PMAQI
13th Jul 20252810 PMAQI
13th Jul 20252811 PMAQI
14th Jul 20252812 AMAQI
14th Jul 2025281 AMAQI
14th Jul 2025292 AMAQI
14th Jul 2025273 AMAQI
14th Jul 2025284 AMAQI

19°C11/27°C

14th Jul 2025295 AMAQI
14th Jul 2025346 AMAQI
14th Jul 2025337 AMAQI
14th Jul 2025328 AMAQI
14th Jul 2025329 AMAQI
14th Jul 20253810 AMAQI
14th Jul 20253111 AMAQI
14th Jul 20252612 PMAQI
14th Jul 2025261 PMAQI
14th Jul 2025282 PMAQI
14th Jul 2025303 PMAQI
14th Jul 2025314 PMAQI
14th Jul 2025305 PMAQI
14th Jul 2025266 PMAQI
14th Jul 2025257 PMAQI
14th Jul 2025258 PMAQI
14th Jul 2025289 PMAQI
14th Jul 20252910 PMAQI
14th Jul 20252811 PMAQI
15th Jul 20252912 AMAQI
15th Jul 2025281 AMAQI
15th Jul 2025252 AMAQI
15th Jul 2025253 AMAQI
15th Jul 2025254 AMAQI

18°C13/25°C

15th Jul 2025245 AMAQI
15th Jul 2025266 AMAQI
15th Jul 2025287 AMAQI
15th Jul 2025278 AMAQI
15th Jul 2025309 AMAQI
15th Jul 20252910 AMAQI
15th Jul 20252711 AMAQI
15th Jul 20252612 PMAQI
15th Jul 2025241 PMAQI
15th Jul 2025252 PMAQI
15th Jul 2025233 PMAQI
15th Jul 2025244 PMAQI
15th Jul 2025265 PMAQI
15th Jul 2025266 PMAQI
15th Jul 2025267 PMAQI
15th Jul 2025248 PMAQI
15th Jul 2025269 PMAQI
15th Jul 20252610 PMAQI
15th Jul 20252711 PMAQI
16th Jul 20252712 AMAQI
16th Jul 2025271 AMAQI
16th Jul 2025352 AMAQI
16th Jul 2025523 AMAQI
16th Jul 2025504 AMAQI

19°C14/26°C

16th Jul 2025485 AMAQI
16th Jul 2025496 AMAQI
16th Jul 2025507 AMAQI
16th Jul 2025478 AMAQI
16th Jul 2025489 AMAQI
16th Jul 20254410 AMAQI
16th Jul 20254211 AMAQI
16th Jul 20253612 PMAQI
16th Jul 2025341 PMAQI
16th Jul 2025352 PMAQI
16th Jul 2025333 PMAQI
16th Jul 2025384 PMAQI
16th Jul 2025355 PMAQI
16th Jul 2025326 PMAQI
16th Jul 2025337 PMAQI
16th Jul 2025358 PMAQI
16th Jul 2025349 PMAQI
16th Jul 20253810 PMAQI
16th Jul 20253811 PMAQI
17th Jul 20253912 AMAQI
17th Jul 2025381 AMAQI
17th Jul 2025222 AMAQI
17th Jul 2025173 AMAQI
17th Jul 2025194 AMAQI

16°C13/21°C

17th Jul 2025195 AMAQI
17th Jul 2025226 AMAQI
17th Jul 2025247 AMAQI
17th Jul 2025238 AMAQI
17th Jul 2025219 AMAQI
17th Jul 20252510 AMAQI
17th Jul 20252911 AMAQI
17th Jul 20252512 PMAQI
17th Jul 2025251 PMAQI
17th Jul 2025242 PMAQI
17th Jul 2025243 PMAQI
17th Jul 2025244 PMAQI
17th Jul 2025255 PMAQI
17th Jul 2025246 PMAQI
17th Jul 2025247 PMAQI
17th Jul 2025248 PMAQI
17th Jul 2025249 PMAQI
17th Jul 20252510 PMAQI
17th Jul 20252611 PMAQI
18th Jul 20252612 AMAQI
18th Jul 2025251 AMAQI
18th Jul 2025302 AMAQI
18th Jul 2025313 AMAQI
18th Jul 2025304 AMAQI

15°C12/21°C

18th Jul 2025295 AMAQI
18th Jul 2025336 AMAQI
18th Jul 2025347 AMAQI
18th Jul 2025378 AMAQI
18th Jul 2025369 AMAQI
18th Jul 20253410 AMAQI
18th Jul 20253911 AMAQI
18th Jul 20254212 PMAQI
18th Jul 2025361 PMAQI
18th Jul 2025312 PMAQI
18th Jul 2025283 PMAQI
18th Jul 2025274 PMAQI
18th Jul 2025245 PMAQI
18th Jul 2025246 PMAQI
18th Jul 2025247 PMAQI
18th Jul 2025248 PMAQI
18th Jul 2025269 PMAQI
18th Jul 20252810 PMAQI
18th Jul 20252811 PMAQI
19th Jul 20252812 AMAQI
19th Jul 2025291 AMAQI
19th Jul 2025292 AMAQI
19th Jul 2025283 AMAQI
19th Jul 2025304 AMAQI

17°C13/24°C

19th Jul 2025315 AMAQI
19th Jul 2025336 AMAQI
19th Jul 2025327 AMAQI
19th Jul 2025328 AMAQI
19th Jul 2025319 AMAQI
19th Jul 20252910 AMAQI
19th Jul 20252711 AMAQI
19th Jul 20252212 PMAQI
19th Jul 2025241 PMAQI
19th Jul 2025242 PMAQI
19th Jul 2025243 PMAQI
19th Jul 2025224 PMAQI
19th Jul 2025235 PMAQI
19th Jul 2025216 PMAQI
19th Jul 2025217 PMAQI
19th Jul 2025228 PMAQI
19th Jul 2025259 PMAQI
19th Jul 20252810 PMAQI
19th Jul 20252811 PMAQI
20th Jul 20252812 AMAQI
20th Jul 2025291 AMAQI
20th Jul 2025332 AMAQI
20th Jul 2025423 AMAQI
20th Jul 2025414 AMAQI

20°C12/27°C

20th Jul 2025435 AMAQI
20th Jul 2025406 AMAQI
20th Jul 2025407 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025389 AMAQI
20th Jul 20253510 AMAQI
20th Jul 20253211 AMAQI
20th Jul 20252812 PMAQI
20th Jul 2025251 PMAQI
20th Jul 2025262 PMAQI
20th Jul 2025273 PMAQI
20th Jul 2025294 PMAQI
20th Jul 2025275 PMAQI
20th Jul 2025286 PMAQI
20th Jul 2025287 PMAQI
20th Jul 2025288 PMAQI
20th Jul 2025329 PMAQI
20th Jul 20253510 PMAQI
20th Jul 20253411 PMAQI
21st Jul 20253412 AMAQI
21st Jul 2025351 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025463 AMAQI
21st Jul 2025484 AMAQI

22°C14/30°C

21st Jul 2025515 AMAQI
21st Jul 2025496 AMAQI
21st Jul 2025407 AMAQI
21st Jul 2025298 AMAQI
21st Jul 2025299 AMAQI
21st Jul 20252710 AMAQI
21st Jul 20253411 AMAQI
21st Jul 20253212 PMAQI
21st Jul 2025301 PMAQI
21st Jul 2025342 PMAQI
21st Jul 2025343 PMAQI
21st Jul 2025344 PMAQI
21st Jul 2025325 PMAQI
21st Jul 2025346 PMAQI
21st Jul 2025297 PMAQI
21st Jul 2025278 PMAQI
21st Jul 2025319 PMAQI
21st Jul 20253610 PMAQI
21st Jul 20253611 PMAQI
22nd Jul 20253612 AMAQI
22nd Jul 2025361 AMAQI
22nd Jul 2025242 AMAQI
22nd Jul 2025203 AMAQI
22nd Jul 2025234 AMAQI

17°C11/20°C

22nd Jul 2025235 AMAQI
22nd Jul 2025266 AMAQI
22nd Jul 2025297 AMAQI
22nd Jul 2025308 AMAQI
22nd Jul 2025379 AMAQI
22nd Jul 20253510 AMAQI
22nd Jul 20252411 AMAQI
22nd Jul 20251712 PMAQI
22nd Jul 2025161 PMAQI
22nd Jul 2025182 PMAQI
22nd Jul 2025193 PMAQI
22nd Jul 2025194 PMAQI
22nd Jul 2025195 PMAQI
22nd Jul 2025166 PMAQI
22nd Jul 2025187 PMAQI
22nd Jul 2025188 PMAQI
22nd Jul 2025209 PMAQI
22nd Jul 20252410 PMAQI
22nd Jul 20252311 PMAQI
23rd Jul 20252512 AMAQI
23rd Jul 2025241 AMAQI
23rd Jul 2025232 AMAQI
23rd Jul 2025193 AMAQI
23rd Jul 2025164 AMAQI

18°C11/25°C

23rd Jul 2025175 AMAQI
23rd Jul 2025176 AMAQI
23rd Jul 2025197 AMAQI
23rd Jul 2025208 AMAQI
23rd Jul 2025229 AMAQI
23rd Jul 20252410 AMAQI
23rd Jul 20252411 AMAQI
23rd Jul 20253112 PMAQI
23rd Jul 2025241 PMAQI
23rd Jul 2025182 PMAQI
23rd Jul 2025173 PMAQI
23rd Jul 2025184 PMAQI
23rd Jul 2025175 PMAQI
23rd Jul 2025186 PMAQI
23rd Jul 2025197 PMAQI
23rd Jul 2025188 PMAQI
23rd Jul 2025209 PMAQI
23rd Jul 20252010 PMAQI
23rd Jul 20252211 PMAQI
24th Jul 20252212 AMAQI
24th Jul 2025221 AMAQI
24th Jul 2025242 AMAQI
24th Jul 2025263 AMAQI
24th Jul 2025264 AMAQI

19°C12/25°C

24th Jul 2025275 AMAQI
24th Jul 2025276 AMAQI
24th Jul 2025277 AMAQI
24th Jul 2025268 AMAQI
24th Jul 2025269 AMAQI
24th Jul 20252510 AMAQI
24th Jul 20252411 AMAQI
24th Jul 20252312 PMAQI
24th Jul 2025221 PMAQI
24th Jul 2025252 PMAQI
24th Jul 2025273 PMAQI
24th Jul 2025254 PMAQI
24th Jul 2025265 PMAQI
24th Jul 2025246 PMAQI
24th Jul 2025267 PMAQI
24th Jul 2025248 PMAQI
24th Jul 2025279 PMAQI
24th Jul 20252610 PMAQI
24th Jul 20252611 PMAQI
25th Jul 20252712 AMAQI
25th Jul 2025261 AMAQI
25th Jul 2025282 AMAQI
25th Jul 2025343 AMAQI
25th Jul 2025364 AMAQI

18°C14/22°C

25th Jul 2025405 AMAQI
25th Jul 2025436 AMAQI
25th Jul 2025467 AMAQI
25th Jul 2025528 AMAQI
25th Jul 2025589 AMAQI
25th Jul 20256110 AMAQI
25th Jul 20256011 AMAQI
25th Jul 20255212 PMAQI
25th Jul 2025361 PMAQI
25th Jul 2025262 PMAQI
25th Jul 2025273 PMAQI
25th Jul 2025274 PMAQI
25th Jul 2025265 PMAQI
25th Jul 2025266 PMAQI
25th Jul 2025287 PMAQI
25th Jul 2025308 PMAQI
25th Jul 2025339 PMAQI
25th Jul 20253410 PMAQI
25th Jul 20253511 PMAQI
26th Jul 20253512 AMAQI
26th Jul 2025371 AMAQI
26th Jul 2025392 AMAQI
26th Jul 2025483 AMAQI
26th Jul 2025504 AMAQI

18°C13/24°C

26th Jul 2025445 AMAQI
26th Jul 2025436 AMAQI
26th Jul 2025497 AMAQI
26th Jul 2025528 AMAQI
26th Jul 2025509 AMAQI
26th Jul 20254510 AMAQI
26th Jul 20254611 AMAQI
26th Jul 20254912 PMAQI
26th Jul 2025441 PMAQI
26th Jul 2025472 PMAQI
26th Jul 2025443 PMAQI
26th Jul 2025384 PMAQI
26th Jul 2025345 PMAQI
26th Jul 2025376 PMAQI
26th Jul 2025387 PMAQI
26th Jul 2025398 PMAQI
26th Jul 2025409 PMAQI
26th Jul 20254210 PMAQI
26th Jul 20254411 PMAQI
27th Jul 20254412 AMAQI
27th Jul 2025431 AMAQI
27th Jul 2025422 AMAQI
27th Jul 2025423 AMAQI
27th Jul 2025384 AMAQI

18°C16/20°C

27th Jul 2025335 AMAQI
27th Jul 2025396 AMAQI
27th Jul 2025377 AMAQI
27th Jul 2025368 AMAQI
27th Jul 2025359 AMAQI
27th Jul 20253510 AMAQI
27th Jul 20253611 AMAQI
27th Jul 20253412 PMAQI
27th Jul 2025301 PMAQI
27th Jul 2025342 PMAQI
27th Jul 2025373 PMAQI
27th Jul 2025384 PMAQI
27th Jul 2025365 PMAQI
27th Jul 2025376 PMAQI
27th Jul 2025367 PMAQI
27th Jul 2025338 PMAQI
27th Jul 2025349 PMAQI
27th Jul 20253610 PMAQI
27th Jul 20253611 PMAQI
28th Jul 20253712 AMAQI
28th Jul 2025361 AMAQI
28th Jul 2025302 AMAQI
28th Jul 2025243 AMAQI
28th Jul 2025244 AMAQI

16°C13/20°C

28th Jul 2025245 AMAQI
28th Jul 2025266 AMAQI
28th Jul 2025247 AMAQI
28th Jul 2025198 AMAQI
28th Jul 2025219 AMAQI
28th Jul 20252210 AMAQI
28th Jul 20252811 AMAQI
28th Jul 20252312 PMAQI
28th Jul 2025251 PMAQI
28th Jul 2025242 PMAQI
28th Jul 2025233 PMAQI
28th Jul 2025234 PMAQI
28th Jul 2025235 PMAQI
28th Jul 2025246 PMAQI
28th Jul 2025237 PMAQI
28th Jul 2025248 PMAQI
28th Jul 2025249 PMAQI
28th Jul 20252510 PMAQI
28th Jul 20252511 PMAQI
29th Jul 20252512 AMAQI
29th Jul 2025261 AMAQI
29th Jul 2025202 AMAQI
29th Jul 2025213 AMAQI
29th Jul 2025284 AMAQI

16°C12/19°C

29th Jul 2025305 AMAQI
29th Jul 2025346 AMAQI
29th Jul 2025367 AMAQI
29th Jul 2025348 AMAQI
29th Jul 2025399 AMAQI
29th Jul 20254010 AMAQI
29th Jul 20254011 AMAQI
29th Jul 20253512 PMAQI
29th Jul 2025321 PMAQI
29th Jul 2025302 PMAQI
29th Jul 2025273 PMAQI
29th Jul 2025284 PMAQI
29th Jul 2025285 PMAQI
29th Jul 2025236 PMAQI
29th Jul 2025237 PMAQI
29th Jul 2025228 PMAQI
29th Jul 2025249 PMAQI
29th Jul 20252610 PMAQI
29th Jul 20252611 PMAQI
30th Jul 20252612 AMAQI
30th Jul 2025281 AMAQI
30th Jul 2025282 AMAQI
30th Jul 2025253 AMAQI
30th Jul 2025264 AMAQI

15°C10/18°C

30th Jul 2025305 AMAQI
30th Jul 2025336 AMAQI
30th Jul 2025347 AMAQI
30th Jul 2025358 AMAQI
30th Jul 2025459 AMAQI
30th Jul 20255710 AMAQI
30th Jul 20255111 AMAQI
30th Jul 20253212 PMAQI
30th Jul 2025241 PMAQI
30th Jul 2025242 PMAQI
30th Jul 2025223 PMAQI
30th Jul 2025224 PMAQI
30th Jul 2025225 PMAQI
30th Jul 2025216 PMAQI
30th Jul 2025207 PMAQI
30th Jul 2025208 PMAQI
30th Jul 2025219 PMAQI
30th Jul 20252110 PMAQI
30th Jul 20252111 PMAQI
31st Jul 20252112 AMAQI
31st Jul 2025211 AMAQI
31st Jul 2025212 AMAQI
31st Jul 2025213 AMAQI
31st Jul 2025284 AMAQI

15°C9/22°C

31st Jul 2025285 AMAQI
31st Jul 2025296 AMAQI
31st Jul 2025347 AMAQI
31st Jul 2025408 AMAQI
31st Jul 2025479 AMAQI
31st Jul 20253210 AMAQI
31st Jul 20252711 AMAQI
31st Jul 20253012 PMAQI
31st Jul 2025231 PMAQI
31st Jul 2025222 PMAQI
31st Jul 2025223 PMAQI
31st Jul 2025224 PMAQI
31st Jul 2025225 PMAQI
31st Jul 2025236 PMAQI
31st Jul 2025217 PMAQI
31st Jul 2025228 PMAQI
31st Jul 2025249 PMAQI
31st Jul 20252410 PMAQI
31st Jul 20252411 PMAQI
1st Aug 20252212 AMAQI
1st Aug 2025231 AMAQI
1st Aug 2025252 AMAQI
1st Aug 2025223 AMAQI
1st Aug 2025194 AMAQI

16°C10/21°C

1st Aug 2025275 AMAQI
1st Aug 2025246 AMAQI
1st Aug 2025297 AMAQI
1st Aug 2025248 AMAQI
1st Aug 2025309 AMAQI
1st Aug 20253410 AMAQI
1st Aug 20253211 AMAQI
1st Aug 20252712 PMAQI
1st Aug 2025281 PMAQI
1st Aug 2025242 PMAQI
1st Aug 2025283 PMAQI
1st Aug 2025214 PMAQI
1st Aug 2025205 PMAQI
1st Aug 2025196 PMAQI
1st Aug 2025207 PMAQI
1st Aug 2025228 PMAQI
1st Aug 2025249 PMAQI
1st Aug 20252210 PMAQI
1st Aug 20252311 PMAQI
2nd Aug 20252312 AMAQI
2nd Aug 2025231 AMAQI
2nd Aug 2025182 AMAQI
2nd Aug 2025203 AMAQI
2nd Aug 2025204 AMAQI

16°C11/23°C

2nd Aug 2025225 AMAQI
2nd Aug 2025216 AMAQI
2nd Aug 2025247 AMAQI
2nd Aug 2025288 AMAQI
2nd Aug 2025269 AMAQI
2nd Aug 20253410 AMAQI
2nd Aug 20254811 AMAQI
2nd Aug 20252712 PMAQI
2nd Aug 2025241 PMAQI
2nd Aug 2025302 PMAQI
2nd Aug 2025313 PMAQI
2nd Aug 2025324 PMAQI
2nd Aug 2025225 PMAQI
2nd Aug 2025226 PMAQI
2nd Aug 2025257 PMAQI
2nd Aug 2025208 PMAQI
2nd Aug 2025229 PMAQI
2nd Aug 20252310 PMAQI
2nd Aug 20252211 PMAQI
3rd Aug 20252412 AMAQI
3rd Aug 2025231 AMAQI
3rd Aug 2025252 AMAQI
3rd Aug 2025243 AMAQI
3rd Aug 2025204 AMAQI

14°C10/21°C

3rd Aug 2025205 AMAQI
5 AM
3rd Aug 2025206 AMAQI
3rd Aug 2025297 AMAQI
3rd Aug 2025188 AMAQI
3rd Aug 2025289 AMAQI
3rd Aug 20252110 AMAQI
3rd Aug 20252011 AMAQI
3rd Aug 20252612 PMAQI
12 PM
3rd Aug 2025261 PMAQI
3rd Aug 2025212 PMAQI
3rd Aug 2025223 PMAQI
3rd Aug 2025194 PMAQI
3rd Aug 2025205 PMAQI
3rd Aug 2025206 PMAQI
3rd Aug 2025207 PMAQI
3rd Aug 2025208 PMAQI
8 PM
3rd Aug 2025229 PMAQI
3rd Aug 20252210 PMAQI
3rd Aug 20252211 PMAQI
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
9 AM - 11 AM

33AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
1 PM - 8 PM

27AQI

8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 11 AM (Avg. 33), while the lowest AQI was between 1 PM to 8 PM (Avg. 27).
Night time
Avg. Highest Time
12 AM - 4 AM

30AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
9 PM

27AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 30), while the lowest AQI was between 9 PM to 9 PM (Avg. 27).

2025 Days Vs Air Quality

Alta, Linz, Oberosterreich, Austria

2025

70%

151

28%

60

2%

4

Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)

Good
151 Days
Moderate
60 Days
Poor
4 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days



Under WHO’s Safe Air Quality Limits: 70%

Health Risk Level:

Low

In 2025, 70% of 215 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.

Annual Air Quality Insights

Alta, Linz, Oberosterreich, Austria

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
104AQI
2nd January 2025
105AQI
3rd January 2025
36AQI
4th January 2025
42AQI
5th January 2025
58AQI
6th January 2025
72AQI
7th January 2025
60AQI
8th January 2025
52AQI
9th January 2025
52AQI
10th January 2025
26AQI
11th January 2025
44AQI
12th January 2025
45AQI
13th January 2025
41AQI
14th January 2025
48AQI
15th January 2025
71AQI
16th January 2025
58AQI
17th January 2025
48AQI
18th January 2025
58AQI
19th January 2025
58AQI
20th January 2025
60AQI
21st January 2025
66AQI
22nd January 2025
68AQI
23rd January 2025
59AQI
24th January 2025
67AQI
25th January 2025
58AQI
26th January 2025
64AQI
27th January 2025
58AQI
28th January 2025
38AQI
29th January 2025
40AQI
30th January 2025
46AQI
31st January 2025
53AQI
1st February 2025
29AQI
2nd February 2025
53AQI
3rd February 2025
71AQI
4th February 2025
88AQI
5th February 2025
82AQI
6th February 2025
65AQI
7th February 2025
59AQI
8th February 2025
80AQI
9th February 2025
85AQI
10th February 2025
76AQI
11th February 2025
65AQI
12th February 2025
77AQI
13th February 2025
76AQI
14th February 2025
64AQI
15th February 2025
59AQI
16th February 2025
43AQI
17th February 2025
64AQI
18th February 2025
71AQI
19th February 2025
64AQI
20th February 2025
72AQI
21st February 2025
80AQI
22nd February 2025
84AQI
23rd February 2025
118AQI
24th February 2025
102AQI
25th February 2025
70AQI
26th February 2025
49AQI
27th February 2025
42AQI
28th February 2025
41AQI
1st March 2025
54AQI
2nd March 2025
53AQI
3rd March 2025
51AQI
4th March 2025
53AQI
5th March 2025
63AQI
6th March 2025
76AQI
7th March 2025
71AQI
8th March 2025
69AQI
9th March 2025
70AQI
10th March 2025
58AQI
11th March 2025
63AQI
12th March 2025
51AQI
13th March 2025
43AQI
14th March 2025
47AQI
15th March 2025
34AQI
16th March 2025
52AQI
17th March 2025
39AQI
18th March 2025
25AQI
19th March 2025
41AQI
20th March 2025
54AQI
21st March 2025
54AQI
22nd March 2025
60AQI
23rd March 2025
50AQI
24th March 2025
48AQI
25th March 2025
50AQI
26th March 2025
58AQI
27th March 2025
39AQI
28th March 2025
57AQI
29th March 2025
66AQI
30th March 2025
50AQI
31st March 2025
26AQI
1st April 2025
36AQI
2nd April 2025
57AQI
3rd April 2025
50AQI
4th April 2025
36AQI
5th April 2025
39AQI
6th April 2025
16AQI
7th April 2025
20AQI
8th April 2025
26AQI
9th April 2025
37AQI
10th April 2025
49AQI
11th April 2025
46AQI
12th April 2025
30AQI
13th April 2025
47AQI
14th April 2025
47AQI
15th April 2025
20AQI
16th April 2025
26AQI
17th April 2025
40AQI
18th April 2025
40AQI
19th April 2025
32AQI
20th April 2025
25AQI
21st April 2025
25AQI
22nd April 2025
22AQI
23rd April 2025
26AQI
24th April 2025
25AQI
25th April 2025
26AQI
26th April 2025
26AQI
27th April 2025
25AQI
28th April 2025
31AQI
29th April 2025
32AQI
30th April 2025
34AQI
1st May 2025
34AQI
2nd May 2025
35AQI
3rd May 2025
45AQI
4th May 2025
27AQI
5th May 2025
21AQI
6th May 2025
25AQI
7th May 2025
36AQI
8th May 2025
36AQI
9th May 2025
32AQI
10th May 2025
25AQI
11th May 2025
25AQI
12th May 2025
24AQI
13th May 2025
31AQI
14th May 2025
33AQI
15th May 2025
36AQI
16th May 2025
21AQI
17th May 2025
31AQI
18th May 2025
26AQI
19th May 2025
26AQI
20th May 2025
24AQI
21st May 2025
34AQI
22nd May 2025
34AQI
23rd May 2025
28AQI
24th May 2025
27AQI
25th May 2025
25AQI
26th May 2025
29AQI
27th May 2025
28AQI
28th May 2025
24AQI
29th May 2025
17AQI
30th May 2025
24AQI
31st May 2025
27AQI
1st June 2025
30AQI
2nd June 2025
29AQI
3rd June 2025
31AQI
4th June 2025
30AQI
5th June 2025
20AQI
6th June 2025
21AQI
7th June 2025
18AQI
8th June 2025
26AQI
9th June 2025
29AQI
10th June 2025
47AQI
11th June 2025
56AQI
12th June 2025
40AQI
13th June 2025
41AQI
14th June 2025
28AQI
15th June 2025
38AQI
16th June 2025
35AQI
17th June 2025
37AQI
18th June 2025
37AQI
19th June 2025
50AQI
20th June 2025
29AQI
21st June 2025
26AQI
22nd June 2025
23AQI
23rd June 2025
39AQI
24th June 2025
32AQI
25th June 2025
31AQI
26th June 2025
35AQI
27th June 2025
33AQI
28th June 2025
26AQI
29th June 2025
27AQI
30th June 2025
31AQI
1st July 2025
25AQI
2nd July 2025
29AQI
3rd July 2025
34AQI
4th July 2025
43AQI
5th July 2025
40AQI
6th July 2025
38AQI
7th July 2025
30AQI
8th July 2025
22AQI
9th July 2025
25AQI
10th July 2025
27AQI
11th July 2025
26AQI
12th July 2025
23AQI
13th July 2025
27AQI
14th July 2025
29AQI
15th July 2025
26AQI
16th July 2025
39AQI
17th July 2025
25AQI
18th July 2025
30AQI
19th July 2025
27AQI
20th July 2025
33AQI
21st July 2025
36AQI
22nd July 2025
24AQI
23rd July 2025
20AQI
24th July 2025
25AQI
25th July 2025
36AQI
26th July 2025
43AQI
27th July 2025
37AQI
28th July 2025
25AQI
29th July 2025
28AQI
30th July 2025
28AQI
31st July 2025
26AQI
1st August 2025
24AQI
2nd August 2025
25AQI
3rd August 2025
23AQI

57AQI

69AQI

52AQI

33AQI

29AQI

33AQI

30AQI

24AQI


No. of days

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

202543AQI

11
18
2
5
21
2
12
19
29
1
31
29
1
31
3
151
60
4

Highest AQI recorded in

February

69AQI


Lowest AQI recorded in

August

24AQI


202438AQI

13
12
3
20
9
19
12
23
3
30
1
30
31
29
2
26
4
24
7
12
17
1
16
15
273
82
4

Highest AQI recorded in

January

60AQI


Lowest AQI recorded in

May

25AQI


202339AQI

16
14
1
15
12
1
18
12
24
6
26
5
29
1
29
2
30
1
23
7
26
5
28
14
15
2
278
80
4

Highest AQI recorded in

December

53AQI


Lowest AQI recorded in

November

29AQI


202244AQI

15
16
17
4
6
25
22
7
28
3
29
1
21
1
2
23
6
17
14
20
10
6
25
206
112

Highest AQI recorded in

December

62AQI


Lowest AQI recorded in

August

27AQI


202143AQI

9
21
12
16
18
13
22
8
28
3
26
4
30
1
28
3
24
4
15
16
11
19
18
13
241
121

Highest AQI recorded in

February

58AQI


Lowest AQI recorded in

May

23AQI


202040AQI

5
8
11
10
17
1
27
3
30
1
27
4
24
6
23
7
9
21
14
17
187
78

Highest AQI recorded in

November

57AQI


Lowest AQI recorded in

June

29AQI


Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2022(Avg.)
44AQI
Least Polluted Year Recorded
2024(Avg.)
38AQI


Alta's annual 2025 AQI (43) shows an average percentage change of 4.8% (worsened AQI) compared to previous years: 2020 (40), 2021 (43), 2022 (44), 2023 (39), 2024 (38).