Laza, Chaves, Vila Real, Portugal 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
Laza, Chaves, Vila Real, Portugal
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
16th Aug 2021
90AQILowest AQI recorded on
19th Aug 2023
17AQISame Day Analysis (21st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 38 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 22nd Aug - 23rd Aug 2025
Laza, Chaves, Vila Real, Portugal
AQI
Day
Night
.
7 AM22nd Aug 2025
9 PM
6 AM23rd Aug 2025
Day time
Avg. Highest Time
8PM22nd Aug
42AQI
Avg. Lowest Time
3PM22nd Aug
29AQI
Night time
Avg. Highest Time
11PM22nd Aug
48AQI
Avg. Lowest Time
6AM23rd Aug
27AQI
In the last 24 hours,
Laza's AQI reached its highest point of 48 at 11 PM during the Night, while the lowest point, 27, was recorded at 6 AM during the Night between 22nd Aug and 23rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Laza, Chaves, Vila Real, Portugal
JulAug
24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd
Day
Night
24th Jul 2025197 AMAQI
24th Jul 2025168 AMAQI
24th Jul 2025189 AMAQI
24th Jul 20252210 AMAQI
24th Jul 20251711 AMAQI
24th Jul 20252112 PMAQI
24th Jul 2025241 PMAQI
24th Jul 2025232 PMAQI
24th Jul 2025243 PMAQI
24th Jul 2025204 PMAQI
24th Jul 2025205 PMAQI
24th Jul 2025206 PMAQI
24th Jul 2025207 PMAQI
24th Jul 2025228 PMAQI
24th Jul 2025269 PMAQI
24th Jul 20252410 PMAQI
24th Jul 20252411 PMAQI
25th Jul 20252312 AMAQI
25th Jul 2025221 AMAQI
25th Jul 2025252 AMAQI
25th Jul 2025263 AMAQI
25th Jul 2025244 AMAQI
25th Jul 2025225 AMAQI
25th Jul 2025196 AMAQI
16°C7/26°C
25th Jul 2025177 AMAQI
25th Jul 2025188 AMAQI
25th Jul 2025219 AMAQI
25th Jul 20252210 AMAQI
25th Jul 20251811 AMAQI
25th Jul 20252012 PMAQI
25th Jul 2025211 PMAQI
25th Jul 2025212 PMAQI
25th Jul 2025203 PMAQI
25th Jul 2025214 PMAQI
25th Jul 2025225 PMAQI
25th Jul 2025226 PMAQI
25th Jul 2025207 PMAQI
25th Jul 2025228 PMAQI
25th Jul 2025259 PMAQI
25th Jul 20252410 PMAQI
25th Jul 20252411 PMAQI
26th Jul 20252212 AMAQI
26th Jul 2025211 AMAQI
26th Jul 2025222 AMAQI
26th Jul 2025243 AMAQI
26th Jul 2025294 AMAQI
26th Jul 2025305 AMAQI
26th Jul 2025326 AMAQI
17°C7/28°C
26th Jul 2025277 AMAQI
26th Jul 2025308 AMAQI
26th Jul 2025289 AMAQI
26th Jul 20252710 AMAQI
26th Jul 20252411 AMAQI
26th Jul 20252412 PMAQI
26th Jul 2025261 PMAQI
26th Jul 2025232 PMAQI
26th Jul 2025233 PMAQI
26th Jul 2025224 PMAQI
26th Jul 2025245 PMAQI
26th Jul 2025246 PMAQI
26th Jul 2025237 PMAQI
26th Jul 2025258 PMAQI
26th Jul 2025279 PMAQI
26th Jul 20252710 PMAQI
26th Jul 20252711 PMAQI
27th Jul 20252712 AMAQI
27th Jul 2025291 AMAQI
27th Jul 2025322 AMAQI
27th Jul 2025313 AMAQI
27th Jul 2025354 AMAQI
27th Jul 2025365 AMAQI
27th Jul 2025326 AMAQI
20°C11/30°C
27th Jul 2025397 AMAQI
27th Jul 2025358 AMAQI
27th Jul 2025349 AMAQI
27th Jul 20253510 AMAQI
27th Jul 20252811 AMAQI
27th Jul 20252412 PMAQI
27th Jul 2025271 PMAQI
27th Jul 2025242 PMAQI
27th Jul 2025243 PMAQI
27th Jul 2025254 PMAQI
27th Jul 2025255 PMAQI
27th Jul 2025286 PMAQI
27th Jul 2025297 PMAQI
27th Jul 2025308 PMAQI
27th Jul 2025329 PMAQI
27th Jul 20253010 PMAQI
27th Jul 20253111 PMAQI
28th Jul 20253212 AMAQI
28th Jul 2025211 AMAQI
28th Jul 2025172 AMAQI
28th Jul 2025173 AMAQI
28th Jul 2025204 AMAQI
28th Jul 2025205 AMAQI
28th Jul 2025196 AMAQI
20°C12/30°C
28th Jul 2025197 AMAQI
28th Jul 2025198 AMAQI
28th Jul 2025249 AMAQI
28th Jul 20252010 AMAQI
28th Jul 20251511 AMAQI
28th Jul 20251812 PMAQI
28th Jul 2025221 PMAQI
28th Jul 2025222 PMAQI
28th Jul 2025203 PMAQI
28th Jul 2025204 PMAQI
28th Jul 2025195 PMAQI
28th Jul 2025206 PMAQI
28th Jul 2025207 PMAQI
28th Jul 2025238 PMAQI
28th Jul 2025239 PMAQI
28th Jul 20252410 PMAQI
28th Jul 20252311 PMAQI
29th Jul 20252312 AMAQI
29th Jul 2025191 AMAQI
29th Jul 2025182 AMAQI
29th Jul 2025163 AMAQI
29th Jul 2025164 AMAQI
29th Jul 2025165 AMAQI
29th Jul 2025176 AMAQI
20°C11/30°C
29th Jul 2025227 AMAQI
29th Jul 2025198 AMAQI
29th Jul 2025209 AMAQI
29th Jul 20251610 AMAQI
29th Jul 20251611 AMAQI
29th Jul 20251712 PMAQI
29th Jul 2025181 PMAQI
29th Jul 2025192 PMAQI
29th Jul 2025213 PMAQI
29th Jul 2025204 PMAQI
29th Jul 2025195 PMAQI
29th Jul 2025216 PMAQI
29th Jul 2025227 PMAQI
29th Jul 2025228 PMAQI
29th Jul 2025229 PMAQI
29th Jul 20252210 PMAQI
29th Jul 20252111 PMAQI
30th Jul 20252112 AMAQI
30th Jul 2025191 AMAQI
30th Jul 2025192 AMAQI
30th Jul 2025193 AMAQI
30th Jul 2025184 AMAQI
30th Jul 2025185 AMAQI
30th Jul 2025206 AMAQI
20°C9/30°C
30th Jul 2025187 AMAQI
30th Jul 2025178 AMAQI
30th Jul 2025179 AMAQI
30th Jul 20251710 AMAQI
30th Jul 20251611 AMAQI
30th Jul 20251712 PMAQI
30th Jul 2025221 PMAQI
30th Jul 2025192 PMAQI
30th Jul 2025183 PMAQI
30th Jul 2025184 PMAQI
30th Jul 2025205 PMAQI
30th Jul 2025206 PMAQI
30th Jul 2025207 PMAQI
30th Jul 2025198 PMAQI
30th Jul 2025199 PMAQI
30th Jul 20251910 PMAQI
30th Jul 20251911 PMAQI
31st Jul 20251912 AMAQI
31st Jul 2025191 AMAQI
31st Jul 2025192 AMAQI
31st Jul 2025163 AMAQI
31st Jul 2025164 AMAQI
31st Jul 2025185 AMAQI
31st Jul 2025196 AMAQI
20°C11/31°C
31st Jul 2025267 AMAQI
31st Jul 2025218 AMAQI
31st Jul 2025199 AMAQI
31st Jul 20252110 AMAQI
31st Jul 20252411 AMAQI
31st Jul 20252912 PMAQI
31st Jul 2025241 PMAQI
31st Jul 2025312 PMAQI
31st Jul 2025303 PMAQI
31st Jul 2025344 PMAQI
31st Jul 2025385 PMAQI
31st Jul 2025336 PMAQI
31st Jul 2025347 PMAQI
31st Jul 2025288 PMAQI
31st Jul 2025269 PMAQI
31st Jul 20252510 PMAQI
31st Jul 20252411 PMAQI
1st Aug 20252312 AMAQI
1st Aug 2025241 AMAQI
1st Aug 2025282 AMAQI
1st Aug 2025403 AMAQI
1st Aug 2025314 AMAQI
1st Aug 2025285 AMAQI
1st Aug 2025276 AMAQI
21°C13/32°C
1st Aug 2025307 AMAQI
1st Aug 2025288 AMAQI
1st Aug 2025269 AMAQI
1st Aug 20252610 AMAQI
1st Aug 20252611 AMAQI
1st Aug 20253112 PMAQI
1st Aug 2025311 PMAQI
1st Aug 2025312 PMAQI
1st Aug 2025313 PMAQI
1st Aug 2025324 PMAQI
1st Aug 2025325 PMAQI
1st Aug 2025366 PMAQI
1st Aug 2025347 PMAQI
1st Aug 2025348 PMAQI
1st Aug 2025349 PMAQI
1st Aug 20253410 PMAQI
1st Aug 20253411 PMAQI
2nd Aug 20253012 AMAQI
2nd Aug 2025331 AMAQI
2nd Aug 2025342 AMAQI
2nd Aug 2025353 AMAQI
2nd Aug 2025344 AMAQI
2nd Aug 2025365 AMAQI
2nd Aug 2025376 AMAQI
21°C13/31°C
2nd Aug 2025367 AMAQI
2nd Aug 2025358 AMAQI
2nd Aug 2025319 AMAQI
2nd Aug 20253210 AMAQI
2nd Aug 20253511 AMAQI
2nd Aug 20253312 PMAQI
2nd Aug 2025341 PMAQI
2nd Aug 2025322 PMAQI
2nd Aug 2025373 PMAQI
2nd Aug 2025404 PMAQI
2nd Aug 2025315 PMAQI
2nd Aug 2025366 PMAQI
2nd Aug 2025397 PMAQI
2nd Aug 2025358 PMAQI
2nd Aug 2025339 PMAQI
2nd Aug 20253410 PMAQI
2nd Aug 20253311 PMAQI
3rd Aug 20253312 AMAQI
3rd Aug 2025321 AMAQI
3rd Aug 2025342 AMAQI
3rd Aug 2025343 AMAQI
3rd Aug 2025324 AMAQI
3rd Aug 2025385 AMAQI
3rd Aug 2025346 AMAQI
22°C13/32°C
3rd Aug 2025377 AMAQI
3rd Aug 2025358 AMAQI
3rd Aug 2025359 AMAQI
3rd Aug 20253410 AMAQI
3rd Aug 20253811 AMAQI
3rd Aug 20253712 PMAQI
3rd Aug 2025321 PMAQI
3rd Aug 2025322 PMAQI
3rd Aug 2025313 PMAQI
3rd Aug 2025344 PMAQI
3rd Aug 2025345 PMAQI
3rd Aug 2025316 PMAQI
3rd Aug 2025387 PMAQI
3rd Aug 2025328 PMAQI
3rd Aug 2025329 PMAQI
3rd Aug 20253210 PMAQI
3rd Aug 20253311 PMAQI
4th Aug 20253212 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025392 AMAQI
4th Aug 2025363 AMAQI
4th Aug 2025364 AMAQI
4th Aug 2025325 AMAQI
4th Aug 2025396 AMAQI
24°C14/34°C
4th Aug 2025347 AMAQI
4th Aug 2025348 AMAQI
4th Aug 2025409 AMAQI
4th Aug 20254310 AMAQI
4th Aug 20253811 AMAQI
4th Aug 20253412 PMAQI
4th Aug 2025301 PMAQI
4th Aug 2025302 PMAQI
4th Aug 2025343 PMAQI
4th Aug 2025424 PMAQI
4th Aug 2025375 PMAQI
4th Aug 2025446 PMAQI
4th Aug 2025427 PMAQI
4th Aug 2025368 PMAQI
4th Aug 2025369 PMAQI
4th Aug 20253410 PMAQI
4th Aug 20253511 PMAQI
5th Aug 20253412 AMAQI
5th Aug 2025381 AMAQI
5th Aug 2025452 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025544 AMAQI
5th Aug 2025555 AMAQI
5th Aug 2025566 AMAQI
26°C18/35°C
5th Aug 2025567 AMAQI
5th Aug 2025518 AMAQI
5th Aug 2025569 AMAQI
5th Aug 20255210 AMAQI
5th Aug 20255411 AMAQI
5th Aug 20255012 PMAQI
5th Aug 2025441 PMAQI
5th Aug 2025452 PMAQI
5th Aug 2025433 PMAQI
5th Aug 2025434 PMAQI
5th Aug 2025395 PMAQI
5th Aug 2025386 PMAQI
5th Aug 2025427 PMAQI
5th Aug 2025468 PMAQI
5th Aug 2025479 PMAQI
5th Aug 20254810 PMAQI
5th Aug 20254711 PMAQI
6th Aug 20254312 AMAQI
6th Aug 2025461 AMAQI
6th Aug 2025412 AMAQI
6th Aug 2025393 AMAQI
6th Aug 2025414 AMAQI
6th Aug 2025375 AMAQI
6th Aug 2025416 AMAQI
25°C17/35°C
6th Aug 2025397 AMAQI
6th Aug 2025398 AMAQI
6th Aug 2025429 AMAQI
6th Aug 20254110 AMAQI
6th Aug 20254611 AMAQI
6th Aug 20254812 PMAQI
6th Aug 2025501 PMAQI
6th Aug 2025442 PMAQI
6th Aug 2025463 PMAQI
6th Aug 2025424 PMAQI
6th Aug 2025485 PMAQI
6th Aug 2025506 PMAQI
6th Aug 2025527 PMAQI
6th Aug 2025468 PMAQI
6th Aug 2025419 PMAQI
6th Aug 20254210 PMAQI
6th Aug 20254511 PMAQI
7th Aug 20254412 AMAQI
7th Aug 2025521 AMAQI
7th Aug 2025602 AMAQI
7th Aug 2025533 AMAQI
7th Aug 2025504 AMAQI
7th Aug 2025505 AMAQI
7th Aug 2025606 AMAQI
25°C17/34°C
7th Aug 2025607 AMAQI
7th Aug 2025598 AMAQI
7th Aug 2025639 AMAQI
7th Aug 20256410 AMAQI
7th Aug 20255811 AMAQI
7th Aug 20256112 PMAQI
7th Aug 2025591 PMAQI
7th Aug 2025572 PMAQI
7th Aug 2025553 PMAQI
7th Aug 2025534 PMAQI
7th Aug 2025535 PMAQI
7th Aug 2025546 PMAQI
7th Aug 2025527 PMAQI
7th Aug 2025548 PMAQI
7th Aug 2025549 PMAQI
7th Aug 20255610 PMAQI
7th Aug 20255411 PMAQI
8th Aug 20255412 AMAQI
8th Aug 2025521 AMAQI
8th Aug 2025512 AMAQI
8th Aug 2025523 AMAQI
8th Aug 2025474 AMAQI
8th Aug 2025465 AMAQI
8th Aug 2025466 AMAQI
25°C18/35°C
8th Aug 2025547 AMAQI
8th Aug 2025538 AMAQI
8th Aug 2025509 AMAQI
8th Aug 20254810 AMAQI
8th Aug 20255211 AMAQI
8th Aug 20254512 PMAQI
8th Aug 2025521 PMAQI
8th Aug 2025522 PMAQI
8th Aug 2025533 PMAQI
8th Aug 2025544 PMAQI
8th Aug 2025545 PMAQI
8th Aug 2025586 PMAQI
8th Aug 2025547 PMAQI
8th Aug 2025548 PMAQI
8th Aug 2025529 PMAQI
8th Aug 20255210 PMAQI
8th Aug 20255211 PMAQI
9th Aug 20255212 AMAQI
9th Aug 2025581 AMAQI
9th Aug 2025622 AMAQI
9th Aug 2025633 AMAQI
9th Aug 2025724 AMAQI
9th Aug 20251035 AMAQI
9th Aug 2025876 AMAQI
25°C17/35°C
9th Aug 2025677 AMAQI
9th Aug 2025828 AMAQI
9th Aug 2025789 AMAQI
9th Aug 20257710 AMAQI
9th Aug 20257111 AMAQI
9th Aug 20256812 PMAQI
9th Aug 2025691 PMAQI
9th Aug 2025652 PMAQI
9th Aug 2025633 PMAQI
9th Aug 2025644 PMAQI
9th Aug 2025595 PMAQI
9th Aug 2025586 PMAQI
9th Aug 2025587 PMAQI
9th Aug 2025618 PMAQI
9th Aug 2025639 PMAQI
9th Aug 20256410 PMAQI
9th Aug 20256411 PMAQI
10th Aug 20256412 AMAQI
10th Aug 2025671 AMAQI
10th Aug 2025742 AMAQI
10th Aug 2025603 AMAQI
10th Aug 2025574 AMAQI
10th Aug 2025575 AMAQI
10th Aug 2025646 AMAQI
27°C19/36°C
10th Aug 2025697 AMAQI
10th Aug 2025748 AMAQI
10th Aug 2025729 AMAQI
10th Aug 20257210 AMAQI
10th Aug 20256211 AMAQI
10th Aug 20256012 PMAQI
10th Aug 2025581 PMAQI
10th Aug 2025562 PMAQI
10th Aug 2025573 PMAQI
10th Aug 2025584 PMAQI
10th Aug 2025575 PMAQI
10th Aug 2025566 PMAQI
10th Aug 2025587 PMAQI
10th Aug 2025608 PMAQI
10th Aug 2025629 PMAQI
10th Aug 20256210 PMAQI
10th Aug 20256211 PMAQI
11th Aug 20256012 AMAQI
11th Aug 2025961 AMAQI
11th Aug 20251292 AMAQI
11th Aug 20251123 AMAQI
11th Aug 20251234 AMAQI
11th Aug 20251225 AMAQI
11th Aug 20251046 AMAQI
27°C19/36°C
11th Aug 2025647 AMAQI
11th Aug 2025608 AMAQI
11th Aug 2025549 AMAQI
11th Aug 20255610 AMAQI
11th Aug 20255611 AMAQI
11th Aug 20255612 PMAQI
11th Aug 2025561 PMAQI
11th Aug 2025582 PMAQI
11th Aug 2025583 PMAQI
11th Aug 2025604 PMAQI
11th Aug 2025585 PMAQI
11th Aug 2025586 PMAQI
11th Aug 2025587 PMAQI
11th Aug 2025568 PMAQI
11th Aug 2025579 PMAQI
11th Aug 20255610 PMAQI
11th Aug 20256111 PMAQI
12th Aug 20255812 AMAQI
12th Aug 2025581 AMAQI
12th Aug 2025592 AMAQI
12th Aug 2025643 AMAQI
12th Aug 2025644 AMAQI
12th Aug 2025655 AMAQI
12th Aug 2025596 AMAQI
26°C18/35°C
12th Aug 2025587 AMAQI
12th Aug 2025618 AMAQI
12th Aug 2025629 AMAQI
12th Aug 20256110 AMAQI
12th Aug 20256111 AMAQI
12th Aug 20256212 PMAQI
12th Aug 2025621 PMAQI
12th Aug 2025602 PMAQI
12th Aug 2025623 PMAQI
12th Aug 2025614 PMAQI
12th Aug 2025655 PMAQI
12th Aug 2025606 PMAQI
12th Aug 2025647 PMAQI
12th Aug 2025618 PMAQI
12th Aug 2025609 PMAQI
12th Aug 20256110 PMAQI
12th Aug 20256011 PMAQI
13th Aug 20256112 AMAQI
13th Aug 2025601 AMAQI
13th Aug 2025642 AMAQI
13th Aug 2025593 AMAQI
13th Aug 2025564 AMAQI
13th Aug 2025585 AMAQI
13th Aug 2025576 AMAQI
26°C19/35°C
13th Aug 2025587 AMAQI
13th Aug 2025588 AMAQI
13th Aug 2025589 AMAQI
13th Aug 20255810 AMAQI
13th Aug 20255611 AMAQI
13th Aug 20255812 PMAQI
13th Aug 2025601 PMAQI
13th Aug 2025662 PMAQI
13th Aug 2025743 PMAQI
13th Aug 2025564 PMAQI
13th Aug 2025585 PMAQI
13th Aug 2025716 PMAQI
13th Aug 2025567 PMAQI
13th Aug 2025598 PMAQI
13th Aug 2025589 PMAQI
13th Aug 20255710 PMAQI
13th Aug 20255811 PMAQI
14th Aug 20255812 AMAQI
14th Aug 2025561 AMAQI
14th Aug 2025602 AMAQI
14th Aug 2025693 AMAQI
14th Aug 2025644 AMAQI
14th Aug 2025615 AMAQI
14th Aug 2025516 AMAQI
24°C16/33°C
14th Aug 2025547 AMAQI
14th Aug 2025548 AMAQI
14th Aug 2025569 AMAQI
14th Aug 20255610 AMAQI
14th Aug 20255611 AMAQI
14th Aug 20255612 PMAQI
14th Aug 2025571 PMAQI
14th Aug 2025602 PMAQI
14th Aug 2025563 PMAQI
14th Aug 2025604 PMAQI
14th Aug 2025585 PMAQI
14th Aug 2025596 PMAQI
14th Aug 2025707 PMAQI
14th Aug 2025588 PMAQI
14th Aug 2025569 PMAQI
14th Aug 20255710 PMAQI
14th Aug 20255711 PMAQI
15th Aug 20255712 AMAQI
15th Aug 2025781 AMAQI
15th Aug 2025582 AMAQI
15th Aug 2025583 AMAQI
15th Aug 2025564 AMAQI
15th Aug 2025565 AMAQI
15th Aug 2025646 AMAQI
25°C17/34°C
15th Aug 2025737 AMAQI
15th Aug 2025578 AMAQI
15th Aug 2025609 AMAQI
15th Aug 20256010 AMAQI
15th Aug 20255811 AMAQI
15th Aug 20258012 PMAQI
15th Aug 2025591 PMAQI
15th Aug 2025672 PMAQI
15th Aug 2025573 PMAQI
15th Aug 2025684 PMAQI
15th Aug 2025635 PMAQI
15th Aug 2025746 PMAQI
15th Aug 2025667 PMAQI
15th Aug 2025588 PMAQI
15th Aug 2025589 PMAQI
15th Aug 20255810 PMAQI
15th Aug 20255611 PMAQI
16th Aug 20255812 AMAQI
16th Aug 2025621 AMAQI
16th Aug 2025622 AMAQI
16th Aug 2025683 AMAQI
16th Aug 2025614 AMAQI
16th Aug 2025605 AMAQI
16th Aug 2025596 AMAQI
26°C19/35°C
16th Aug 2025637 AMAQI
16th Aug 2025598 AMAQI
16th Aug 2025639 AMAQI
16th Aug 20256410 AMAQI
16th Aug 20256011 AMAQI
16th Aug 20256112 PMAQI
16th Aug 2025661 PMAQI
16th Aug 2025632 PMAQI
16th Aug 2025683 PMAQI
16th Aug 2025684 PMAQI
16th Aug 2025615 PMAQI
16th Aug 2025706 PMAQI
16th Aug 2025627 PMAQI
16th Aug 2025618 PMAQI
16th Aug 2025609 PMAQI
16th Aug 20255910 PMAQI
16th Aug 20255911 PMAQI
17th Aug 20255912 AMAQI
17th Aug 2025621 AMAQI
17th Aug 2025612 AMAQI
17th Aug 2025733 AMAQI
17th Aug 2025704 AMAQI
17th Aug 2025745 AMAQI
17th Aug 2025726 AMAQI
26°C18/35°C
17th Aug 2025587 AMAQI
17th Aug 2025648 AMAQI
17th Aug 2025579 AMAQI
17th Aug 20256110 AMAQI
17th Aug 20255811 AMAQI
17th Aug 20257412 PMAQI
17th Aug 2025651 PMAQI
17th Aug 2025682 PMAQI
17th Aug 2025803 PMAQI
17th Aug 20251064 PMAQI
17th Aug 2025685 PMAQI
17th Aug 2025666 PMAQI
17th Aug 2025647 PMAQI
17th Aug 2025648 PMAQI
17th Aug 2025609 PMAQI
17th Aug 20256010 PMAQI
17th Aug 20256011 PMAQI
18th Aug 20256012 AMAQI
18th Aug 2025661 AMAQI
18th Aug 2025642 AMAQI
18th Aug 2025853 AMAQI
18th Aug 2025804 AMAQI
18th Aug 2025715 AMAQI
18th Aug 2025806 AMAQI
25°C15/34°C
18th Aug 2025677 AMAQI
18th Aug 2025648 AMAQI
18th Aug 2025639 AMAQI
18th Aug 20256210 AMAQI
18th Aug 20256211 AMAQI
18th Aug 20257212 PMAQI
18th Aug 2025711 PMAQI
18th Aug 2025752 PMAQI
18th Aug 2025783 PMAQI
18th Aug 2025804 PMAQI
18th Aug 2025705 PMAQI
18th Aug 2025766 PMAQI
18th Aug 2025737 PMAQI
18th Aug 2025658 PMAQI
18th Aug 2025669 PMAQI
18th Aug 20256510 PMAQI
18th Aug 20256611 PMAQI
19th Aug 20256412 AMAQI
19th Aug 2025621 AMAQI
19th Aug 2025562 AMAQI
19th Aug 2025523 AMAQI
19th Aug 2025544 AMAQI
19th Aug 2025525 AMAQI
19th Aug 2025466 AMAQI
19°C12/27°C
19th Aug 2025487 AMAQI
19th Aug 2025468 AMAQI
19th Aug 2025669 AMAQI
19th Aug 20254410 AMAQI
19th Aug 20254711 AMAQI
19th Aug 20255212 PMAQI
19th Aug 2025641 PMAQI
19th Aug 2025512 PMAQI
19th Aug 2025473 PMAQI
19th Aug 2025484 PMAQI
19th Aug 2025565 PMAQI
19th Aug 2025546 PMAQI
19th Aug 2025607 PMAQI
19th Aug 2025548 PMAQI
19th Aug 2025539 PMAQI
19th Aug 20255510 PMAQI
19th Aug 20255211 PMAQI
20th Aug 20254912 AMAQI
20th Aug 2025521 AMAQI
20th Aug 2025492 AMAQI
20th Aug 2025283 AMAQI
20th Aug 2025254 AMAQI
20th Aug 2025395 AMAQI
20th Aug 2025366 AMAQI
16°C9/25°C
20th Aug 2025467 AMAQI
20th Aug 2025288 AMAQI
20th Aug 2025349 AMAQI
20th Aug 20253210 AMAQI
20th Aug 20253011 AMAQI
20th Aug 20253612 PMAQI
20th Aug 2025311 PMAQI
20th Aug 2025342 PMAQI
20th Aug 2025333 PMAQI
20th Aug 2025374 PMAQI
20th Aug 2025315 PMAQI
20th Aug 2025416 PMAQI
20th Aug 2025307 PMAQI
20th Aug 2025348 PMAQI
20th Aug 2025389 PMAQI
20th Aug 20254210 PMAQI
20th Aug 20253811 PMAQI
21st Aug 20254212 AMAQI
21st Aug 2025461 AMAQI
21st Aug 2025512 AMAQI
21st Aug 2025393 AMAQI
21st Aug 2025414 AMAQI
21st Aug 2025385 AMAQI
21st Aug 2025406 AMAQI
15°C9/24°C
21st Aug 2025447 AMAQI
21st Aug 2025458 AMAQI
21st Aug 2025429 AMAQI
21st Aug 20253510 AMAQI
21st Aug 20254211 AMAQI
21st Aug 20254212 PMAQI
21st Aug 2025351 PMAQI
21st Aug 2025362 PMAQI
21st Aug 2025323 PMAQI
21st Aug 2025344 PMAQI
21st Aug 2025335 PMAQI
21st Aug 2025356 PMAQI
21st Aug 2025337 PMAQI
21st Aug 2025318 PMAQI
21st Aug 2025289 PMAQI
21st Aug 20253610 PMAQI
21st Aug 20253811 PMAQI
22nd Aug 20253812 AMAQI
22nd Aug 2025381 AMAQI
22nd Aug 2025432 AMAQI
22nd Aug 2025343 AMAQI
22nd Aug 2025354 AMAQI
22nd Aug 2025335 AMAQI
22nd Aug 2025286 AMAQI
17°C8/26°C
22nd Aug 2025367 AMAQI
22nd Aug 2025308 AMAQI
22nd Aug 2025359 AMAQI
22nd Aug 20253110 AMAQI
22nd Aug 20253211 AMAQI
22nd Aug 20253412 PMAQI
22nd Aug 2025341 PMAQI
22nd Aug 2025322 PMAQI
22nd Aug 2025293 PMAQI
22nd Aug 2025354 PMAQI
22nd Aug 2025345 PMAQI
22nd Aug 2025346 PMAQI
22nd Aug 2025377 PMAQI
22nd Aug 2025428 PMAQI
22nd Aug 2025429 PMAQI
22nd Aug 20254210 PMAQI
22nd Aug 20254811 PMAQI
23rd Aug 20253812 AMAQI
23rd Aug 2025281 AMAQI
23rd Aug 2025342 AMAQI
23rd Aug 2025343 AMAQI
23rd Aug 2025294 AMAQI
23rd Aug 2025285 AMAQI
23rd Aug 2025276 AMAQI
19°C11/29°C
23rd Aug 2025297 AMAQI
7 AM23rd Aug 2025288 AMAQI
23rd Aug 2025309 AMAQI
23rd Aug 20253410 AMAQI
2 PM
9 PM
2 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
4 PM
45AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
7 AM - 11 AM
43AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 PM to 4 PM (Avg. 45), while the lowest AQI was between 7 AM to 11 AM (Avg. 43).
Night time
Avg. Highest Time
2 AM - 6 AM
46AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
12 AM
42AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 6 AM (Avg. 46), while the lowest AQI was between 12 AM to 12 AM (Avg. 42).
2025 Days Vs Air Quality
Laza, Chaves, Vila Real, Portugal
2025
93%
216
7%
17
Total number of days with different AQI categories in last 235 days in 2025 (130 days remaining)
Good
216 DaysModerate
17 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2025, 93% of 235 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Laza, Chaves, Vila Real, Portugal
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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
33AQI
33AQI
2nd January 2025
30AQI
30AQI
3rd January 2025
43AQI
43AQI
4th January 2025
39AQI
39AQI
5th January 2025
32AQI
32AQI
6th January 2025
28AQI
28AQI
7th January 2025
24AQI
24AQI
8th January 2025
27AQI
27AQI
9th January 2025
27AQI
27AQI
10th January 2025
21AQI
21AQI
11th January 2025
22AQI
22AQI
12th January 2025
22AQI
22AQI
13th January 2025
33AQI
33AQI
14th January 2025
67AQI
67AQI
15th January 2025
30AQI
30AQI
16th January 2025
32AQI
32AQI
17th January 2025
29AQI
29AQI
18th January 2025
30AQI
30AQI
19th January 2025
34AQI
34AQI
20th January 2025
24AQI
24AQI
21st January 2025
20AQI
20AQI
22nd January 2025
26AQI
26AQI
23rd January 2025
22AQI
22AQI
24th January 2025
26AQI
26AQI
25th January 2025
28AQI
28AQI
26th January 2025
28AQI
28AQI
27th January 2025
31AQI
31AQI
28th January 2025
29AQI
29AQI
29th January 2025
29AQI
29AQI
30th January 2025
29AQI
29AQI
31st January 2025
24AQI
24AQI
1st February 2025
21AQI
21AQI
2nd February 2025
25AQI
25AQI
3rd February 2025
26AQI
26AQI
4th February 2025
24AQI
24AQI
5th February 2025
23AQI
23AQI
6th February 2025
28AQI
28AQI
7th February 2025
27AQI
27AQI
8th February 2025
24AQI
24AQI
9th February 2025
22AQI
22AQI
10th February 2025
23AQI
23AQI
11th February 2025
29AQI
29AQI
12th February 2025
26AQI
26AQI
13th February 2025
24AQI
24AQI
14th February 2025
25AQI
25AQI
15th February 2025
25AQI
25AQI
16th February 2025
28AQI
28AQI
17th February 2025
27AQI
27AQI
18th February 2025
29AQI
29AQI
19th February 2025
36AQI
36AQI
20th February 2025
33AQI
33AQI
21st February 2025
30AQI
30AQI
22nd February 2025
26AQI
26AQI
23rd February 2025
25AQI
25AQI
24th February 2025
27AQI
27AQI
25th February 2025
30AQI
30AQI
26th February 2025
29AQI
29AQI
27th February 2025
30AQI
30AQI
28th February 2025
26AQI
26AQI
1st March 2025
28AQI
28AQI
2nd March 2025
28AQI
28AQI
3rd March 2025
28AQI
28AQI
4th March 2025
30AQI
30AQI
5th March 2025
27AQI
27AQI
6th March 2025
24AQI
24AQI
7th March 2025
27AQI
27AQI
8th March 2025
31AQI
31AQI
9th March 2025
30AQI
30AQI
10th March 2025
30AQI
30AQI
11th March 2025
28AQI
28AQI
12th March 2025
27AQI
27AQI
13th March 2025
21AQI
21AQI
14th March 2025
19AQI
19AQI
15th March 2025
19AQI
19AQI
16th March 2025
19AQI
19AQI
17th March 2025
17AQI
17AQI
18th March 2025
20AQI
20AQI
19th March 2025
26AQI
26AQI
20th March 2025
22AQI
22AQI
21st March 2025
17AQI
17AQI
22nd March 2025
16AQI
16AQI
23rd March 2025
16AQI
16AQI
24th March 2025
17AQI
17AQI
25th March 2025
21AQI
21AQI
26th March 2025
24AQI
24AQI
27th March 2025
25AQI
25AQI
28th March 2025
26AQI
26AQI
29th March 2025
21AQI
21AQI
30th March 2025
20AQI
20AQI
31st March 2025
23AQI
23AQI
1st April 2025
24AQI
24AQI
2nd April 2025
36AQI
36AQI
3rd April 2025
21AQI
21AQI
4th April 2025
21AQI
21AQI
5th April 2025
16AQI
16AQI
6th April 2025
18AQI
18AQI
7th April 2025
17AQI
17AQI
8th April 2025
22AQI
22AQI
9th April 2025
23AQI
23AQI
10th April 2025
24AQI
24AQI
11th April 2025
30AQI
30AQI
12th April 2025
21AQI
21AQI
13th April 2025
23AQI
23AQI
14th April 2025
16AQI
16AQI
15th April 2025
14AQI
14AQI
16th April 2025
13AQI
13AQI
17th April 2025
19AQI
19AQI
18th April 2025
15AQI
15AQI
19th April 2025
14AQI
14AQI
20th April 2025
13AQI
13AQI
21st April 2025
15AQI
15AQI
22nd April 2025
16AQI
16AQI
23rd April 2025
16AQI
16AQI
24th April 2025
16AQI
16AQI
25th April 2025
22AQI
22AQI
26th April 2025
15AQI
15AQI
27th April 2025
13AQI
13AQI
28th April 2025
15AQI
15AQI
29th April 2025
16AQI
16AQI
30th April 2025
18AQI
18AQI
1st May 2025
17AQI
17AQI
2nd May 2025
20AQI
20AQI
3rd May 2025
17AQI
17AQI
4th May 2025
19AQI
19AQI
5th May 2025
20AQI
20AQI
6th May 2025
20AQI
20AQI
7th May 2025
18AQI
18AQI
8th May 2025
19AQI
19AQI
9th May 2025
21AQI
21AQI
10th May 2025
16AQI
16AQI
11th May 2025
23AQI
23AQI
12th May 2025
20AQI
20AQI
13th May 2025
16AQI
16AQI
14th May 2025
19AQI
19AQI
15th May 2025
17AQI
17AQI
16th May 2025
19AQI
19AQI
17th May 2025
20AQI
20AQI
18th May 2025
22AQI
22AQI
19th May 2025
17AQI
17AQI
20th May 2025
20AQI
20AQI
21st May 2025
21AQI
21AQI
22nd May 2025
19AQI
19AQI
23rd May 2025
20AQI
20AQI
24th May 2025
23AQI
23AQI
25th May 2025
23AQI
23AQI
26th May 2025
21AQI
21AQI
27th May 2025
23AQI
23AQI
28th May 2025
21AQI
21AQI
29th May 2025
28AQI
28AQI
30th May 2025
37AQI
37AQI
31st May 2025
44AQI
44AQI
1st June 2025
27AQI
27AQI
2nd June 2025
18AQI
18AQI
3rd June 2025
21AQI
21AQI
4th June 2025
21AQI
21AQI
5th June 2025
19AQI
19AQI
6th June 2025
16AQI
16AQI
7th June 2025
19AQI
19AQI
8th June 2025
39AQI
39AQI
9th June 2025
48AQI
48AQI
10th June 2025
53AQI
53AQI
11th June 2025
48AQI
48AQI
12th June 2025
37AQI
37AQI
13th June 2025
26AQI
26AQI
14th June 2025
31AQI
31AQI
15th June 2025
27AQI
27AQI
16th June 2025
29AQI
29AQI
17th June 2025
35AQI
35AQI
18th June 2025
42AQI
42AQI
19th June 2025
46AQI
46AQI
20th June 2025
43AQI
43AQI
21st June 2025
51AQI
51AQI
22nd June 2025
53AQI
53AQI
23rd June 2025
37AQI
37AQI
24th June 2025
39AQI
39AQI
25th June 2025
35AQI
35AQI
26th June 2025
26AQI
26AQI
27th June 2025
23AQI
23AQI
28th June 2025
24AQI
24AQI
29th June 2025
33AQI
33AQI
30th June 2025
38AQI
38AQI
1st July 2025
42AQI
42AQI
2nd July 2025
36AQI
36AQI
3rd July 2025
27AQI
27AQI
4th July 2025
32AQI
32AQI
5th July 2025
31AQI
31AQI
6th July 2025
28AQI
28AQI
7th July 2025
20AQI
20AQI
8th July 2025
19AQI
19AQI
9th July 2025
21AQI
21AQI
10th July 2025
29AQI
29AQI
11th July 2025
28AQI
28AQI
12th July 2025
26AQI
26AQI
13th July 2025
25AQI
25AQI
14th July 2025
22AQI
22AQI
15th July 2025
34AQI
34AQI
16th July 2025
27AQI
27AQI
17th July 2025
37AQI
37AQI
18th July 2025
32AQI
32AQI
19th July 2025
23AQI
23AQI
20th July 2025
22AQI
22AQI
21st July 2025
20AQI
20AQI
22nd July 2025
22AQI
22AQI
23rd July 2025
22AQI
22AQI
24th July 2025
23AQI
23AQI
25th July 2025
22AQI
22AQI
26th July 2025
26AQI
26AQI
27th July 2025
30AQI
30AQI
28th July 2025
21AQI
21AQI
29th July 2025
19AQI
19AQI
30th July 2025
19AQI
19AQI
31st July 2025
25AQI
25AQI
1st August 2025
31AQI
31AQI
2nd August 2025
34AQI
34AQI
3rd August 2025
34AQI
34AQI
4th August 2025
37AQI
37AQI
5th August 2025
47AQI
47AQI
6th August 2025
44AQI
44AQI
7th August 2025
55AQI
55AQI
8th August 2025
52AQI
52AQI
9th August 2025
67AQI
67AQI
10th August 2025
62AQI
62AQI
11th August 2025
74AQI
74AQI
12th August 2025
61AQI
61AQI
13th August 2025
60AQI
60AQI
14th August 2025
58AQI
58AQI
15th August 2025
63AQI
63AQI
16th August 2025
62AQI
62AQI
17th August 2025
66AQI
66AQI
18th August 2025
70AQI
70AQI
19th August 2025
54AQI
54AQI
20th August 2025
37AQI
37AQI
21st August 2025
38AQI
38AQI
22nd August 2025
23rd August 2025
24th August 2025
25th August 2025
26th August 2025
27th August 2025
28th August 2025
29th August 2025
30th August 2025
31st August 2025
1st September 2025
2nd September 2025
3rd September 2025
4th September 2025
5th September 2025
6th September 2025
7th September 2025
8th September 2025
9th September 2025
10th September 2025
11th September 2025
12th September 2025
13th September 2025
14th September 2025
15th September 2025
16th September 2025
17th September 2025
18th September 2025
19th September 2025
20th September 2025
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
30AQI
27AQI
23AQI
19AQI
21AQI
33AQI
26AQI
53AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202528AQI
30
1
28
31
30
31
27
3
31
8
13
216
17
Highest AQI recorded in
August53AQI
Lowest AQI recorded in
April19AQI
202428AQI
31
25
4
30
1
30
31
30
31
30
1
27
3
30
1
29
1
28
3
352
14
Highest AQI recorded in
February34AQI
Lowest AQI recorded in
October22AQI
202327AQI
31
25
3
31
30
31
30
31
29
2
30
30
1
28
1
31
357
7
Highest AQI recorded in
February35AQI
Lowest AQI recorded in
July21AQI
202233AQI
30
1
19
3
25
4
2
30
30
1
26
3
1
13
9
1
1
28
28
3
30
31
291
24
2
2
Highest AQI recorded in
July51AQI
Lowest AQI recorded in
November24AQI
202131AQI
29
1
26
2
23
8
27
3
31
30
31
29
2
25
3
1
1
31
30
31
343
19
1
1
Highest AQI recorded in
September42AQI
Lowest AQI recorded in
December22AQI
202030AQI
11
2
21
17
1
28
2
26
4
30
1
30
31
30
31
255
10
Highest AQI recorded in
March42AQI
Lowest AQI recorded in
December23AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
33AQILeast Polluted Year Recorded
2023(Avg.)
27AQILaza's annual 2025 AQI (28) shows an average percentage change of -5.6% (improved AQI) compared to previous years: 2020 (30), 2021 (31), 2022 (33), 2023 (27), 2024 (28).
