Moncao, Viana Do Castelo, 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+
September Air Quality Analysis
Moncao, Viana Do Castelo, Portugal
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
19th Sep 2024
132AQILowest AQI recorded on
8th Sep 2021
13AQISame Day Analysis (18th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 39 of Good air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 18th Sep - 19th Sep 2025
Moncao, Viana Do Castelo, Portugal
AQI
Day
Night
.
8 AM18th Sep 2025
9 PM
7 AM19th Sep 2025
Day time
Avg. Highest Time
12PM18th Sep
58AQI
Avg. Lowest Time
8AM18th Sep
32AQI
Night time
Avg. Highest Time
2AM19th Sep
59AQI
Avg. Lowest Time
12AM19th Sep
35AQI
In the last 24 hours,
Moncao's AQI reached its highest point of 59 at 2 AM during the Night, while the lowest point, 32, was recorded at 8 AM during the Day between 18th Sep and 19th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Moncao, Viana Do Castelo, Portugal
AugSep
20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 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
Day
Night
20th Aug 2025258 AMAQI
20th Aug 2025259 AMAQI
20th Aug 20252410 AMAQI
20th Aug 20252511 AMAQI
20th Aug 20252712 PMAQI
20th Aug 2025191 PMAQI
20th Aug 2025202 PMAQI
20th Aug 2025203 PMAQI
20th Aug 2025224 PMAQI
20th Aug 2025205 PMAQI
20th Aug 2025226 PMAQI
20th Aug 2025187 PMAQI
20th Aug 2025218 PMAQI
20th Aug 2025239 PMAQI
20th Aug 20252110 PMAQI
20th Aug 20252411 PMAQI
21st Aug 20252212 AMAQI
21st Aug 2025251 AMAQI
21st Aug 2025202 AMAQI
21st Aug 2025193 AMAQI
21st Aug 2025194 AMAQI
21st Aug 2025225 AMAQI
21st Aug 2025236 AMAQI
21st Aug 2025207 AMAQI
18°C14/21°C
21st Aug 2025248 AMAQI
21st Aug 2025249 AMAQI
21st Aug 20252210 AMAQI
21st Aug 20252511 AMAQI
21st Aug 20253012 PMAQI
21st Aug 2025291 PMAQI
21st Aug 2025272 PMAQI
21st Aug 2025263 PMAQI
21st Aug 2025244 PMAQI
21st Aug 2025225 PMAQI
21st Aug 2025226 PMAQI
21st Aug 2025317 PMAQI
21st Aug 2025248 PMAQI
21st Aug 2025219 PMAQI
21st Aug 20252310 PMAQI
21st Aug 20252411 PMAQI
22nd Aug 20252212 AMAQI
22nd Aug 2025301 AMAQI
22nd Aug 2025262 AMAQI
22nd Aug 2025233 AMAQI
22nd Aug 2025244 AMAQI
22nd Aug 2025265 AMAQI
22nd Aug 2025246 AMAQI
22nd Aug 2025297 AMAQI
19°C14/23°C
22nd Aug 2025298 AMAQI
22nd Aug 2025279 AMAQI
22nd Aug 20252410 AMAQI
22nd Aug 20252611 AMAQI
22nd Aug 20252712 PMAQI
22nd Aug 2025241 PMAQI
22nd Aug 2025302 PMAQI
22nd Aug 2025263 PMAQI
22nd Aug 2025384 PMAQI
22nd Aug 2025345 PMAQI
22nd Aug 2025286 PMAQI
22nd Aug 2025287 PMAQI
22nd Aug 2025268 PMAQI
22nd Aug 2025269 PMAQI
22nd Aug 20252610 PMAQI
22nd Aug 20252411 PMAQI
23rd Aug 20252612 AMAQI
23rd Aug 2025301 AMAQI
23rd Aug 2025342 AMAQI
23rd Aug 2025423 AMAQI
23rd Aug 2025334 AMAQI
23rd Aug 2025305 AMAQI
23rd Aug 2025286 AMAQI
23rd Aug 2025347 AMAQI
20°C14/25°C
23rd Aug 2025298 AMAQI
23rd Aug 2025369 AMAQI
23rd Aug 20253610 AMAQI
23rd Aug 20253411 AMAQI
23rd Aug 20254212 PMAQI
23rd Aug 2025381 PMAQI
23rd Aug 2025392 PMAQI
23rd Aug 2025393 PMAQI
23rd Aug 2025424 PMAQI
23rd Aug 2025395 PMAQI
23rd Aug 2025386 PMAQI
23rd Aug 2025407 PMAQI
23rd Aug 2025348 PMAQI
23rd Aug 2025329 PMAQI
23rd Aug 20253210 PMAQI
23rd Aug 20253111 PMAQI
24th Aug 20253012 AMAQI
24th Aug 2025301 AMAQI
24th Aug 2025352 AMAQI
24th Aug 2025363 AMAQI
24th Aug 2025334 AMAQI
24th Aug 2025325 AMAQI
24th Aug 2025326 AMAQI
24th Aug 2025357 AMAQI
20°C16/26°C
24th Aug 2025328 AMAQI
24th Aug 2025349 AMAQI
24th Aug 20253410 AMAQI
24th Aug 20253111 AMAQI
24th Aug 20253312 PMAQI
24th Aug 2025341 PMAQI
24th Aug 2025342 PMAQI
24th Aug 2025343 PMAQI
24th Aug 2025334 PMAQI
24th Aug 2025355 PMAQI
24th Aug 2025326 PMAQI
24th Aug 2025347 PMAQI
24th Aug 2025328 PMAQI
24th Aug 2025329 PMAQI
24th Aug 20253010 PMAQI
24th Aug 20253211 PMAQI
25th Aug 20253212 AMAQI
25th Aug 2025301 AMAQI
25th Aug 2025322 AMAQI
25th Aug 2025333 AMAQI
25th Aug 2025324 AMAQI
25th Aug 2025315 AMAQI
25th Aug 2025326 AMAQI
25th Aug 2025317 AMAQI
18°C15/22°C
25th Aug 2025318 AMAQI
25th Aug 2025309 AMAQI
25th Aug 20253110 AMAQI
25th Aug 20253211 AMAQI
25th Aug 20253512 PMAQI
25th Aug 2025331 PMAQI
25th Aug 2025322 PMAQI
25th Aug 2025313 PMAQI
25th Aug 2025314 PMAQI
25th Aug 2025345 PMAQI
25th Aug 2025336 PMAQI
25th Aug 2025337 PMAQI
25th Aug 2025338 PMAQI
25th Aug 2025329 PMAQI
25th Aug 20253110 PMAQI
25th Aug 20253311 PMAQI
26th Aug 20253212 AMAQI
26th Aug 2025301 AMAQI
26th Aug 2025322 AMAQI
26th Aug 2025343 AMAQI
26th Aug 2025394 AMAQI
26th Aug 2025405 AMAQI
26th Aug 2025416 AMAQI
26th Aug 2025327 AMAQI
18°C15/22°C
26th Aug 2025308 AMAQI
26th Aug 2025529 AMAQI
26th Aug 20255810 AMAQI
26th Aug 20254311 AMAQI
26th Aug 20255412 PMAQI
26th Aug 2025451 PMAQI
26th Aug 2025502 PMAQI
26th Aug 2025493 PMAQI
26th Aug 2025604 PMAQI
26th Aug 2025595 PMAQI
26th Aug 2025386 PMAQI
26th Aug 2025537 PMAQI
26th Aug 2025428 PMAQI
26th Aug 2025429 PMAQI
26th Aug 20254410 PMAQI
26th Aug 20254011 PMAQI
27th Aug 20254112 AMAQI
27th Aug 2025381 AMAQI
27th Aug 2025472 AMAQI
27th Aug 2025663 AMAQI
27th Aug 2025494 AMAQI
27th Aug 2025415 AMAQI
27th Aug 2025216 AMAQI
27th Aug 2025247 AMAQI
18°C14/21°C
27th Aug 2025268 AMAQI
27th Aug 2025219 AMAQI
27th Aug 20251810 AMAQI
27th Aug 20252811 AMAQI
27th Aug 20253012 PMAQI
27th Aug 2025351 PMAQI
27th Aug 2025372 PMAQI
27th Aug 2025393 PMAQI
27th Aug 2025414 PMAQI
27th Aug 2025385 PMAQI
27th Aug 2025386 PMAQI
27th Aug 2025387 PMAQI
27th Aug 2025338 PMAQI
27th Aug 2025419 PMAQI
27th Aug 20253810 PMAQI
27th Aug 20253411 PMAQI
28th Aug 20253712 AMAQI
28th Aug 2025301 AMAQI
28th Aug 2025242 AMAQI
28th Aug 2025223 AMAQI
28th Aug 2025224 AMAQI
28th Aug 2025215 AMAQI
28th Aug 2025226 AMAQI
28th Aug 2025277 AMAQI
17°C13/20°C
28th Aug 2025268 AMAQI
28th Aug 2025289 AMAQI
28th Aug 20252610 AMAQI
28th Aug 20252811 AMAQI
28th Aug 20252612 PMAQI
28th Aug 2025241 PMAQI
28th Aug 2025252 PMAQI
28th Aug 2025243 PMAQI
28th Aug 2025264 PMAQI
28th Aug 2025265 PMAQI
28th Aug 2025306 PMAQI
28th Aug 2025267 PMAQI
28th Aug 2025258 PMAQI
28th Aug 2025269 PMAQI
28th Aug 20252810 PMAQI
28th Aug 20252611 PMAQI
29th Aug 20252612 AMAQI
29th Aug 2025241 AMAQI
29th Aug 2025212 AMAQI
29th Aug 2025183 AMAQI
29th Aug 2025184 AMAQI
29th Aug 2025215 AMAQI
29th Aug 2025206 AMAQI
29th Aug 2025227 AMAQI
16°C13/19°C
29th Aug 2025298 AMAQI
29th Aug 2025249 AMAQI
29th Aug 20252610 AMAQI
29th Aug 20253011 AMAQI
29th Aug 20252612 PMAQI
29th Aug 2025291 PMAQI
29th Aug 2025282 PMAQI
29th Aug 2025263 PMAQI
29th Aug 2025264 PMAQI
29th Aug 2025255 PMAQI
29th Aug 2025266 PMAQI
29th Aug 2025257 PMAQI
29th Aug 2025268 PMAQI
29th Aug 2025259 PMAQI
29th Aug 20252510 PMAQI
29th Aug 20252411 PMAQI
30th Aug 20252412 AMAQI
30th Aug 2025251 AMAQI
30th Aug 2025232 AMAQI
30th Aug 2025223 AMAQI
30th Aug 2025214 AMAQI
30th Aug 2025185 AMAQI
30th Aug 2025206 AMAQI
30th Aug 2025177 AMAQI
17°C16/19°C
30th Aug 2025188 AMAQI
30th Aug 2025189 AMAQI
30th Aug 20251910 AMAQI
30th Aug 20251911 AMAQI
30th Aug 20252012 PMAQI
30th Aug 2025201 PMAQI
30th Aug 2025202 PMAQI
30th Aug 2025213 PMAQI
30th Aug 2025204 PMAQI
30th Aug 2025185 PMAQI
30th Aug 2025186 PMAQI
30th Aug 2025187 PMAQI
30th Aug 2025228 PMAQI
30th Aug 2025229 PMAQI
30th Aug 20252110 PMAQI
30th Aug 20252111 PMAQI
31st Aug 20252112 AMAQI
31st Aug 2025171 AMAQI
31st Aug 2025182 AMAQI
31st Aug 2025183 AMAQI
31st Aug 2025204 AMAQI
31st Aug 2025185 AMAQI
31st Aug 2025196 AMAQI
31st Aug 2025217 AMAQI
18°C17/21°C
31st Aug 2025228 AMAQI
31st Aug 2025229 AMAQI
31st Aug 20252210 AMAQI
31st Aug 20252411 AMAQI
31st Aug 20252212 PMAQI
31st Aug 2025241 PMAQI
31st Aug 2025222 PMAQI
31st Aug 2025233 PMAQI
31st Aug 2025224 PMAQI
31st Aug 2025215 PMAQI
31st Aug 2025226 PMAQI
31st Aug 2025247 PMAQI
31st Aug 2025228 PMAQI
31st Aug 2025239 PMAQI
31st Aug 20252410 PMAQI
31st Aug 20252311 PMAQI
1st Sep 20252212 AMAQI
1st Sep 2025221 AMAQI
1st Sep 2025232 AMAQI
1st Sep 2025243 AMAQI
1st Sep 2025264 AMAQI
1st Sep 2025295 AMAQI
1st Sep 2025256 AMAQI
1st Sep 2025227 AMAQI
17°C14/19°C
1st Sep 2025188 AMAQI
1st Sep 2025229 AMAQI
1st Sep 20252510 AMAQI
1st Sep 20252311 AMAQI
1st Sep 20252412 PMAQI
1st Sep 2025251 PMAQI
1st Sep 2025242 PMAQI
1st Sep 2025233 PMAQI
1st Sep 2025264 PMAQI
1st Sep 2025255 PMAQI
1st Sep 2025246 PMAQI
1st Sep 2025257 PMAQI
1st Sep 2025258 PMAQI
1st Sep 2025269 PMAQI
1st Sep 20252410 PMAQI
1st Sep 20252611 PMAQI
2nd Sep 20252412 AMAQI
2nd Sep 2025221 AMAQI
2nd Sep 2025222 AMAQI
2nd Sep 2025243 AMAQI
2nd Sep 2025234 AMAQI
2nd Sep 2025225 AMAQI
2nd Sep 2025226 AMAQI
2nd Sep 2025177 AMAQI
16°C14/19°C
2nd Sep 2025188 AMAQI
2nd Sep 2025179 AMAQI
2nd Sep 20252110 AMAQI
2nd Sep 20252211 AMAQI
2nd Sep 20252612 PMAQI
2nd Sep 2025281 PMAQI
2nd Sep 2025292 PMAQI
2nd Sep 2025263 PMAQI
2nd Sep 2025274 PMAQI
2nd Sep 2025275 PMAQI
2nd Sep 2025266 PMAQI
2nd Sep 2025267 PMAQI
2nd Sep 2025238 PMAQI
2nd Sep 2025239 PMAQI
2nd Sep 20252310 PMAQI
2nd Sep 20252211 PMAQI
3rd Sep 20252212 AMAQI
3rd Sep 2025261 AMAQI
3rd Sep 2025282 AMAQI
3rd Sep 2025243 AMAQI
3rd Sep 2025234 AMAQI
3rd Sep 2025265 AMAQI
3rd Sep 2025206 AMAQI
3rd Sep 2025217 AMAQI
17°C14/21°C
3rd Sep 2025258 AMAQI
3rd Sep 2025249 AMAQI
3rd Sep 20252210 AMAQI
3rd Sep 20252511 AMAQI
3rd Sep 20252612 PMAQI
3rd Sep 2025311 PMAQI
3rd Sep 2025322 PMAQI
3rd Sep 2025283 PMAQI
3rd Sep 2025314 PMAQI
3rd Sep 2025295 PMAQI
3rd Sep 2025276 PMAQI
3rd Sep 2025287 PMAQI
3rd Sep 2025268 PMAQI
3rd Sep 2025269 PMAQI
3rd Sep 20252610 PMAQI
3rd Sep 20252611 PMAQI
4th Sep 20252612 AMAQI
4th Sep 2025281 AMAQI
4th Sep 2025302 AMAQI
4th Sep 2025273 AMAQI
4th Sep 2025244 AMAQI
4th Sep 2025235 AMAQI
4th Sep 2025246 AMAQI
4th Sep 2025217 AMAQI
18°C16/20°C
4th Sep 2025218 AMAQI
4th Sep 2025189 AMAQI
4th Sep 20251810 AMAQI
4th Sep 20255611 AMAQI
4th Sep 20255612 PMAQI
4th Sep 2025481 PMAQI
4th Sep 2025392 PMAQI
4th Sep 2025323 PMAQI
4th Sep 2025224 PMAQI
4th Sep 2025245 PMAQI
4th Sep 2025266 PMAQI
4th Sep 2025277 PMAQI
4th Sep 2025298 PMAQI
4th Sep 2025279 PMAQI
4th Sep 20252710 PMAQI
4th Sep 20252811 PMAQI
5th Sep 20252812 AMAQI
5th Sep 2025281 AMAQI
5th Sep 2025262 AMAQI
5th Sep 2025273 AMAQI
5th Sep 2025224 AMAQI
5th Sep 2025235 AMAQI
5th Sep 2025226 AMAQI
5th Sep 2025247 AMAQI
17°C15/20°C
5th Sep 2025258 AMAQI
5th Sep 2025349 AMAQI
5th Sep 20252710 AMAQI
5th Sep 20252611 AMAQI
5th Sep 20252512 PMAQI
5th Sep 2025251 PMAQI
5th Sep 2025242 PMAQI
5th Sep 2025243 PMAQI
5th Sep 2025284 PMAQI
5th Sep 2025285 PMAQI
5th Sep 2025286 PMAQI
5th Sep 2025267 PMAQI
5th Sep 2025268 PMAQI
5th Sep 2025269 PMAQI
5th Sep 20252810 PMAQI
5th Sep 20252511 PMAQI
6th Sep 20252612 AMAQI
6th Sep 2025231 AMAQI
6th Sep 2025222 AMAQI
6th Sep 2025243 AMAQI
6th Sep 2025244 AMAQI
6th Sep 2025325 AMAQI
6th Sep 2025306 AMAQI
6th Sep 2025317 AMAQI
16°C13/21°C
6th Sep 2025288 AMAQI
6th Sep 2025309 AMAQI
6th Sep 20253110 AMAQI
6th Sep 20253211 AMAQI
6th Sep 20253212 PMAQI
6th Sep 2025321 PMAQI
6th Sep 2025302 PMAQI
6th Sep 2025313 PMAQI
6th Sep 2025334 PMAQI
6th Sep 2025325 PMAQI
6th Sep 2025306 PMAQI
6th Sep 2025307 PMAQI
6th Sep 2025288 PMAQI
6th Sep 2025309 PMAQI
6th Sep 20252710 PMAQI
6th Sep 20252811 PMAQI
7th Sep 20252612 AMAQI
7th Sep 2025301 AMAQI
7th Sep 2025262 AMAQI
7th Sep 2025293 AMAQI
7th Sep 2025244 AMAQI
7th Sep 2025255 AMAQI
7th Sep 2025306 AMAQI
7th Sep 2025347 AMAQI
17°C13/22°C
7th Sep 2025368 AMAQI
7th Sep 2025399 AMAQI
7th Sep 20253010 AMAQI
7th Sep 20253511 AMAQI
7th Sep 20253112 PMAQI
7th Sep 2025341 PMAQI
7th Sep 2025312 PMAQI
7th Sep 2025343 PMAQI
7th Sep 2025344 PMAQI
7th Sep 2025295 PMAQI
7th Sep 2025266 PMAQI
7th Sep 2025257 PMAQI
7th Sep 2025248 PMAQI
7th Sep 2025269 PMAQI
7th Sep 20252610 PMAQI
7th Sep 20252511 PMAQI
8th Sep 20252712 AMAQI
8th Sep 2025341 AMAQI
8th Sep 2025322 AMAQI
8th Sep 2025273 AMAQI
8th Sep 2025274 AMAQI
8th Sep 2025285 AMAQI
8th Sep 2025246 AMAQI
8th Sep 2025267 AMAQI
17°C14/19°C
8th Sep 2025248 AMAQI
8th Sep 2025229 AMAQI
8th Sep 20252110 AMAQI
8th Sep 20252311 AMAQI
8th Sep 20252312 PMAQI
8th Sep 2025241 PMAQI
8th Sep 2025252 PMAQI
8th Sep 2025233 PMAQI
8th Sep 2025224 PMAQI
8th Sep 2025235 PMAQI
8th Sep 2025226 PMAQI
8th Sep 2025247 PMAQI
8th Sep 2025268 PMAQI
8th Sep 2025289 PMAQI
8th Sep 20252510 PMAQI
8th Sep 20252611 PMAQI
9th Sep 20252712 AMAQI
9th Sep 2025221 AMAQI
9th Sep 2025202 AMAQI
9th Sep 2025203 AMAQI
9th Sep 2025204 AMAQI
9th Sep 2025225 AMAQI
9th Sep 2025226 AMAQI
9th Sep 2025217 AMAQI
15°C12/19°C
9th Sep 2025228 AMAQI
9th Sep 2025209 AMAQI
9th Sep 20252310 AMAQI
9th Sep 20252711 AMAQI
9th Sep 20252412 PMAQI
9th Sep 2025251 PMAQI
9th Sep 2025242 PMAQI
9th Sep 2025233 PMAQI
9th Sep 2025224 PMAQI
9th Sep 2025205 PMAQI
9th Sep 2025206 PMAQI
9th Sep 2025197 PMAQI
9th Sep 2025188 PMAQI
9th Sep 2025199 PMAQI
9th Sep 20252010 PMAQI
9th Sep 20252011 PMAQI
10th Sep 20251912 AMAQI
10th Sep 2025221 AMAQI
10th Sep 2025182 AMAQI
10th Sep 2025203 AMAQI
10th Sep 2025194 AMAQI
10th Sep 2025215 AMAQI
10th Sep 2025196 AMAQI
10th Sep 2025197 AMAQI
15°C11/18°C
10th Sep 2025188 AMAQI
10th Sep 2025189 AMAQI
10th Sep 20251810 AMAQI
10th Sep 20252211 AMAQI
10th Sep 20251912 PMAQI
10th Sep 2025201 PMAQI
10th Sep 2025212 PMAQI
10th Sep 2025203 PMAQI
10th Sep 2025214 PMAQI
10th Sep 2025225 PMAQI
10th Sep 2025226 PMAQI
10th Sep 2025237 PMAQI
10th Sep 2025218 PMAQI
10th Sep 2025219 PMAQI
10th Sep 20252010 PMAQI
10th Sep 20252211 PMAQI
11th Sep 20252212 AMAQI
11th Sep 2025231 AMAQI
11th Sep 2025242 AMAQI
11th Sep 2025263 AMAQI
11th Sep 2025284 AMAQI
11th Sep 2025235 AMAQI
11th Sep 2025246 AMAQI
11th Sep 2025247 AMAQI
17°C15/20°C
11th Sep 2025238 AMAQI
11th Sep 2025269 AMAQI
11th Sep 20252410 AMAQI
11th Sep 20252411 AMAQI
11th Sep 20252212 PMAQI
11th Sep 2025221 PMAQI
11th Sep 2025222 PMAQI
11th Sep 2025223 PMAQI
11th Sep 2025204 PMAQI
11th Sep 2025205 PMAQI
11th Sep 2025236 PMAQI
11th Sep 2025227 PMAQI
11th Sep 2025228 PMAQI
11th Sep 2025219 PMAQI
11th Sep 20252210 PMAQI
11th Sep 20252111 PMAQI
12th Sep 20252212 AMAQI
12th Sep 2025241 AMAQI
12th Sep 2025262 AMAQI
12th Sep 2025263 AMAQI
12th Sep 2025264 AMAQI
12th Sep 2025295 AMAQI
12th Sep 2025306 AMAQI
12th Sep 2025277 AMAQI
17°C14/20°C
12th Sep 2025298 AMAQI
12th Sep 2025299 AMAQI
12th Sep 20252610 AMAQI
12th Sep 20252911 AMAQI
12th Sep 20252912 PMAQI
12th Sep 2025251 PMAQI
12th Sep 2025282 PMAQI
12th Sep 2025263 PMAQI
12th Sep 2025294 PMAQI
12th Sep 2025295 PMAQI
12th Sep 2025266 PMAQI
12th Sep 2025287 PMAQI
12th Sep 2025268 PMAQI
12th Sep 2025269 PMAQI
12th Sep 20252710 PMAQI
12th Sep 20252711 PMAQI
13th Sep 20252712 AMAQI
13th Sep 2025291 AMAQI
13th Sep 2025272 AMAQI
13th Sep 2025233 AMAQI
13th Sep 2025254 AMAQI
13th Sep 2025255 AMAQI
13th Sep 2025246 AMAQI
13th Sep 2025287 AMAQI
17°C14/19°C
13th Sep 2025298 AMAQI
13th Sep 2025289 AMAQI
13th Sep 20252810 AMAQI
13th Sep 20252811 AMAQI
13th Sep 20253012 PMAQI
13th Sep 2025271 PMAQI
13th Sep 2025282 PMAQI
13th Sep 2025283 PMAQI
13th Sep 2025294 PMAQI
13th Sep 2025275 PMAQI
13th Sep 2025266 PMAQI
13th Sep 2025267 PMAQI
13th Sep 2025268 PMAQI
13th Sep 2025269 PMAQI
13th Sep 20252610 PMAQI
13th Sep 20252711 PMAQI
14th Sep 20252712 AMAQI
14th Sep 2025241 AMAQI
14th Sep 2025222 AMAQI
14th Sep 2025193 AMAQI
14th Sep 2025214 AMAQI
14th Sep 2025225 AMAQI
14th Sep 2025216 AMAQI
14th Sep 2025227 AMAQI
17°C13/20°C
14th Sep 2025248 AMAQI
14th Sep 2025249 AMAQI
14th Sep 20252310 AMAQI
14th Sep 20252211 AMAQI
14th Sep 20252412 PMAQI
14th Sep 2025241 PMAQI
14th Sep 2025282 PMAQI
14th Sep 2025233 PMAQI
14th Sep 2025224 PMAQI
14th Sep 2025265 PMAQI
14th Sep 2025246 PMAQI
14th Sep 2025227 PMAQI
14th Sep 2025258 PMAQI
14th Sep 2025269 PMAQI
14th Sep 20252510 PMAQI
14th Sep 20252411 PMAQI
15th Sep 20252512 AMAQI
15th Sep 2025241 AMAQI
15th Sep 2025232 AMAQI
15th Sep 2025223 AMAQI
15th Sep 2025214 AMAQI
15th Sep 2025205 AMAQI
15th Sep 2025206 AMAQI
15th Sep 2025187 AMAQI
19°C17/22°C
15th Sep 2025248 AMAQI
15th Sep 2025229 AMAQI
15th Sep 20251510 AMAQI
15th Sep 20252311 AMAQI
15th Sep 20252512 PMAQI
15th Sep 2025241 PMAQI
15th Sep 2025242 PMAQI
15th Sep 2025243 PMAQI
15th Sep 2025224 PMAQI
15th Sep 2025195 PMAQI
15th Sep 2025206 PMAQI
15th Sep 2025217 PMAQI
15th Sep 2025208 PMAQI
15th Sep 2025229 PMAQI
15th Sep 20252210 PMAQI
15th Sep 20252311 PMAQI
16th Sep 20252412 AMAQI
16th Sep 2025281 AMAQI
16th Sep 2025302 AMAQI
16th Sep 2025273 AMAQI
16th Sep 2025254 AMAQI
16th Sep 2025215 AMAQI
16th Sep 2025246 AMAQI
16th Sep 2025227 AMAQI
18°C15/21°C
16th Sep 2025228 AMAQI
16th Sep 2025249 AMAQI
16th Sep 20252810 AMAQI
16th Sep 20252811 AMAQI
16th Sep 20253012 PMAQI
16th Sep 2025331 PMAQI
16th Sep 2025312 PMAQI
16th Sep 2025303 PMAQI
16th Sep 2025324 PMAQI
16th Sep 2025285 PMAQI
16th Sep 2025256 PMAQI
16th Sep 2025247 PMAQI
16th Sep 2025268 PMAQI
16th Sep 2025279 PMAQI
16th Sep 20252610 PMAQI
16th Sep 20252611 PMAQI
17th Sep 20252512 AMAQI
17th Sep 2025321 AMAQI
17th Sep 2025322 AMAQI
17th Sep 2025333 AMAQI
17th Sep 2025334 AMAQI
17th Sep 2025285 AMAQI
17th Sep 2025206 AMAQI
17th Sep 2025237 AMAQI
17°C12/23°C
17th Sep 2025258 AMAQI
17th Sep 2025249 AMAQI
17th Sep 20253510 AMAQI
17th Sep 20252711 AMAQI
17th Sep 20253212 PMAQI
17th Sep 2025261 PMAQI
17th Sep 2025302 PMAQI
17th Sep 2025303 PMAQI
17th Sep 2025294 PMAQI
17th Sep 2025285 PMAQI
17th Sep 2025286 PMAQI
17th Sep 2025267 PMAQI
17th Sep 2025298 PMAQI
17th Sep 2025289 PMAQI
17th Sep 20252910 PMAQI
17th Sep 20252711 PMAQI
18th Sep 20252712 AMAQI
18th Sep 2025411 AMAQI
18th Sep 2025452 AMAQI
18th Sep 2025363 AMAQI
18th Sep 2025334 AMAQI
18th Sep 2025275 AMAQI
18th Sep 2025266 AMAQI
18th Sep 2025367 AMAQI
17°C14/21°C
18th Sep 2025328 AMAQI
18th Sep 2025379 AMAQI
18th Sep 20255210 AMAQI
18th Sep 20255411 AMAQI
18th Sep 20255812 PMAQI
18th Sep 2025531 PMAQI
18th Sep 2025452 PMAQI
18th Sep 2025483 PMAQI
18th Sep 2025504 PMAQI
18th Sep 2025405 PMAQI
18th Sep 2025376 PMAQI
18th Sep 2025517 PMAQI
18th Sep 2025408 PMAQI
18th Sep 2025389 PMAQI
18th Sep 20253810 PMAQI
18th Sep 20253811 PMAQI
19th Sep 20253512 AMAQI
19th Sep 2025521 AMAQI
19th Sep 2025592 AMAQI
19th Sep 2025563 AMAQI
19th Sep 2025564 AMAQI
19th Sep 2025535 AMAQI
19th Sep 2025546 AMAQI
19th Sep 2025577 AMAQI
19°C15/23°C
19th Sep 2025588 AMAQI
8 AM19th Sep 2025589 AMAQI
19th Sep 20256010 AMAQI
19th Sep 20256111 AMAQI
19th Sep 20256212 PMAQI
19th Sep 2025611 PMAQI
2 PM
9 PM
2 AM
7 AM
--°C/°C
Day time
Avg. Highest Time
12 PM
31AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
8 AM
27AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 12 PM (Avg. 31), while the lowest AQI was between 8 AM to 8 AM (Avg. 27).
Night time
Avg. Highest Time
1 AM - 3 AM
28AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
6 AM
25AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 3 AM (Avg. 28), while the lowest AQI was between 6 AM to 6 AM (Avg. 25).
2025 Days Vs Air Quality
Moncao, Viana Do Castelo, Portugal
2025
89%
231
11%
30
Total number of days with different AQI categories in last 262 days in 2025 (103 days remaining)
Good
231 DaysModerate
30 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 262 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
Moncao, Viana Do Castelo, 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
62AQI
62AQI
2nd January 2025
50AQI
50AQI
3rd January 2025
54AQI
54AQI
4th January 2025
49AQI
49AQI
5th January 2025
35AQI
35AQI
6th January 2025
42AQI
42AQI
7th January 2025
34AQI
34AQI
8th January 2025
39AQI
39AQI
9th January 2025
50AQI
50AQI
10th January 2025
30AQI
30AQI
11th January 2025
24AQI
24AQI
12th January 2025
41AQI
41AQI
13th January 2025
56AQI
56AQI
14th January 2025
63AQI
63AQI
15th January 2025
68AQI
68AQI
16th January 2025
79AQI
79AQI
17th January 2025
72AQI
72AQI
18th January 2025
67AQI
67AQI
19th January 2025
56AQI
56AQI
20th January 2025
46AQI
46AQI
21st January 2025
39AQI
39AQI
22nd January 2025
32AQI
32AQI
23rd January 2025
43AQI
43AQI
24th January 2025
39AQI
39AQI
25th January 2025
39AQI
39AQI
26th January 2025
31AQI
31AQI
27th January 2025
32AQI
32AQI
28th January 2025
45AQI
45AQI
29th January 2025
48AQI
48AQI
30th January 2025
49AQI
49AQI
31st January 2025
45AQI
45AQI
1st February 2025
46AQI
46AQI
2nd February 2025
40AQI
40AQI
3rd February 2025
55AQI
55AQI
4th February 2025
63AQI
63AQI
5th February 2025
67AQI
67AQI
6th February 2025
67AQI
67AQI
7th February 2025
40AQI
40AQI
8th February 2025
54AQI
54AQI
9th February 2025
43AQI
43AQI
10th February 2025
36AQI
36AQI
11th February 2025
52AQI
52AQI
12th February 2025
48AQI
48AQI
13th February 2025
31AQI
31AQI
14th February 2025
38AQI
38AQI
15th February 2025
50AQI
50AQI
16th February 2025
39AQI
39AQI
17th February 2025
50AQI
50AQI
18th February 2025
53AQI
53AQI
19th February 2025
51AQI
51AQI
20th February 2025
48AQI
48AQI
21st February 2025
47AQI
47AQI
22nd February 2025
44AQI
44AQI
23rd February 2025
43AQI
43AQI
24th February 2025
36AQI
36AQI
25th February 2025
43AQI
43AQI
26th February 2025
47AQI
47AQI
27th February 2025
54AQI
54AQI
28th February 2025
43AQI
43AQI
1st March 2025
40AQI
40AQI
2nd March 2025
33AQI
33AQI
3rd March 2025
31AQI
31AQI
4th March 2025
38AQI
38AQI
5th March 2025
52AQI
52AQI
6th March 2025
50AQI
50AQI
7th March 2025
41AQI
41AQI
8th March 2025
33AQI
33AQI
9th March 2025
33AQI
33AQI
10th March 2025
28AQI
28AQI
11th March 2025
28AQI
28AQI
12th March 2025
38AQI
38AQI
13th March 2025
29AQI
29AQI
14th March 2025
22AQI
22AQI
15th March 2025
28AQI
28AQI
16th March 2025
26AQI
26AQI
17th March 2025
32AQI
32AQI
18th March 2025
39AQI
39AQI
19th March 2025
30AQI
30AQI
20th March 2025
28AQI
28AQI
21st March 2025
24AQI
24AQI
22nd March 2025
21AQI
21AQI
23rd March 2025
21AQI
21AQI
24th March 2025
22AQI
22AQI
25th March 2025
24AQI
24AQI
26th March 2025
33AQI
33AQI
27th March 2025
47AQI
47AQI
28th March 2025
40AQI
40AQI
29th March 2025
22AQI
22AQI
30th March 2025
23AQI
23AQI
31st March 2025
35AQI
35AQI
1st April 2025
44AQI
44AQI
2nd April 2025
42AQI
42AQI
3rd April 2025
23AQI
23AQI
4th April 2025
23AQI
23AQI
5th April 2025
17AQI
17AQI
6th April 2025
18AQI
18AQI
7th April 2025
23AQI
23AQI
8th April 2025
32AQI
32AQI
9th April 2025
42AQI
42AQI
10th April 2025
44AQI
44AQI
11th April 2025
53AQI
53AQI
12th April 2025
41AQI
41AQI
13th April 2025
31AQI
31AQI
14th April 2025
25AQI
25AQI
15th April 2025
15AQI
15AQI
16th April 2025
18AQI
18AQI
17th April 2025
18AQI
18AQI
18th April 2025
15AQI
15AQI
19th April 2025
21AQI
21AQI
20th April 2025
24AQI
24AQI
21st April 2025
26AQI
26AQI
22nd April 2025
27AQI
27AQI
23rd April 2025
26AQI
26AQI
24th April 2025
29AQI
29AQI
25th April 2025
30AQI
30AQI
26th April 2025
27AQI
27AQI
27th April 2025
28AQI
28AQI
28th April 2025
29AQI
29AQI
29th April 2025
26AQI
26AQI
30th April 2025
28AQI
28AQI
1st May 2025
26AQI
26AQI
2nd May 2025
28AQI
28AQI
3rd May 2025
36AQI
36AQI
4th May 2025
29AQI
29AQI
5th May 2025
30AQI
30AQI
6th May 2025
27AQI
27AQI
7th May 2025
29AQI
29AQI
8th May 2025
32AQI
32AQI
9th May 2025
31AQI
31AQI
10th May 2025
26AQI
26AQI
11th May 2025
33AQI
33AQI
12th May 2025
20AQI
20AQI
13th May 2025
23AQI
23AQI
14th May 2025
26AQI
26AQI
15th May 2025
25AQI
25AQI
16th May 2025
24AQI
24AQI
17th May 2025
35AQI
35AQI
18th May 2025
39AQI
39AQI
19th May 2025
25AQI
25AQI
20th May 2025
37AQI
37AQI
21st May 2025
18AQI
18AQI
22nd May 2025
24AQI
24AQI
23rd May 2025
24AQI
24AQI
24th May 2025
28AQI
28AQI
25th May 2025
24AQI
24AQI
26th May 2025
23AQI
23AQI
27th May 2025
27AQI
27AQI
28th May 2025
32AQI
32AQI
29th May 2025
35AQI
35AQI
30th May 2025
38AQI
38AQI
31st May 2025
44AQI
44AQI
1st June 2025
24AQI
24AQI
2nd June 2025
24AQI
24AQI
3rd June 2025
22AQI
22AQI
4th June 2025
24AQI
24AQI
5th June 2025
21AQI
21AQI
6th June 2025
20AQI
20AQI
7th June 2025
23AQI
23AQI
8th June 2025
31AQI
31AQI
9th June 2025
40AQI
40AQI
10th June 2025
56AQI
56AQI
11th June 2025
52AQI
52AQI
12th June 2025
38AQI
38AQI
13th June 2025
31AQI
31AQI
14th June 2025
33AQI
33AQI
15th June 2025
30AQI
30AQI
16th June 2025
44AQI
44AQI
17th June 2025
48AQI
48AQI
18th June 2025
52AQI
52AQI
19th June 2025
48AQI
48AQI
20th June 2025
49AQI
49AQI
21st June 2025
42AQI
42AQI
22nd June 2025
39AQI
39AQI
23rd June 2025
32AQI
32AQI
24th June 2025
48AQI
48AQI
25th June 2025
47AQI
47AQI
26th June 2025
27AQI
27AQI
27th June 2025
23AQI
23AQI
28th June 2025
31AQI
31AQI
29th June 2025
38AQI
38AQI
30th June 2025
42AQI
42AQI
1st July 2025
38AQI
38AQI
2nd July 2025
26AQI
26AQI
3rd July 2025
26AQI
26AQI
4th July 2025
35AQI
35AQI
5th July 2025
50AQI
50AQI
6th July 2025
48AQI
48AQI
7th July 2025
38AQI
38AQI
8th July 2025
36AQI
36AQI
9th July 2025
45AQI
45AQI
10th July 2025
42AQI
42AQI
11th July 2025
33AQI
33AQI
12th July 2025
34AQI
34AQI
13th July 2025
30AQI
30AQI
14th July 2025
23AQI
23AQI
15th July 2025
36AQI
36AQI
16th July 2025
46AQI
46AQI
17th July 2025
44AQI
44AQI
18th July 2025
29AQI
29AQI
19th July 2025
19AQI
19AQI
20th July 2025
18AQI
18AQI
21st July 2025
19AQI
19AQI
22nd July 2025
21AQI
21AQI
23rd July 2025
25AQI
25AQI
24th July 2025
23AQI
23AQI
25th July 2025
24AQI
24AQI
26th July 2025
35AQI
35AQI
27th July 2025
31AQI
31AQI
28th July 2025
23AQI
23AQI
29th July 2025
23AQI
23AQI
30th July 2025
22AQI
22AQI
31st July 2025
26AQI
26AQI
1st August 2025
37AQI
37AQI
2nd August 2025
32AQI
32AQI
3rd August 2025
34AQI
34AQI
4th August 2025
40AQI
40AQI
5th August 2025
46AQI
46AQI
6th August 2025
42AQI
42AQI
7th August 2025
54AQI
54AQI
8th August 2025
45AQI
45AQI
9th August 2025
40AQI
40AQI
10th August 2025
49AQI
49AQI
11th August 2025
45AQI
45AQI
12th August 2025
57AQI
57AQI
13th August 2025
56AQI
56AQI
14th August 2025
53AQI
53AQI
15th August 2025
57AQI
57AQI
16th August 2025
54AQI
54AQI
17th August 2025
55AQI
55AQI
18th August 2025
49AQI
49AQI
19th August 2025
31AQI
31AQI
20th August 2025
24AQI
24AQI
21st August 2025
24AQI
24AQI
22nd August 2025
27AQI
27AQI
23rd August 2025
35AQI
35AQI
24th August 2025
33AQI
33AQI
25th August 2025
32AQI
32AQI
26th August 2025
43AQI
43AQI
27th August 2025
37AQI
37AQI
28th August 2025
26AQI
26AQI
29th August 2025
24AQI
24AQI
30th August 2025
20AQI
20AQI
31st August 2025
21AQI
21AQI
1st September 2025
24AQI
24AQI
2nd September 2025
23AQI
23AQI
3rd September 2025
26AQI
26AQI
4th September 2025
30AQI
30AQI
5th September 2025
26AQI
26AQI
6th September 2025
29AQI
29AQI
7th September 2025
29AQI
29AQI
8th September 2025
26AQI
26AQI
9th September 2025
21AQI
21AQI
10th September 2025
20AQI
20AQI
11th September 2025
23AQI
23AQI
12th September 2025
27AQI
27AQI
13th September 2025
27AQI
27AQI
14th September 2025
24AQI
24AQI
15th September 2025
21AQI
21AQI
16th September 2025
26AQI
26AQI
17th September 2025
28AQI
28AQI
18th September 2025
39AQI
39AQI
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
47AQI
47AQI
32AQI
28AQI
29AQI
36AQI
31AQI
39AQI
26AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202535AQI
22
9
19
9
30
1
29
1
31
27
3
31
24
7
18
231
30
Highest AQI recorded in
February47AQI
Lowest AQI recorded in
September26AQI
202451AQI
10
21
12
14
3
16
15
16
14
22
9
18
12
17
13
1
26
5
16
11
3
26
5
13
17
13
18
205
154
7
Highest AQI recorded in
February63AQI
Lowest AQI recorded in
August39AQI
202346AQI
24
7
15
13
26
5
15
15
20
11
20
9
1
22
9
27
4
26
3
18
13
18
11
11
20
242
120
1
Highest AQI recorded in
December55AQI
Lowest AQI recorded in
August37AQI
202238AQI
11
2
12
1
25
6
28
2
13
8
1
1
24
4
27
4
24
6
19
12
184
45
1
Highest AQI recorded in
July53AQI
Lowest AQI recorded in
August24AQI
202139AQI
18
12
24
4
20
10
1
21
7
28
3
27
3
30
1
26
5
28
2
23
8
21
9
21
10
287
74
1
Highest AQI recorded in
March49AQI
Lowest AQI recorded in
September31AQI
202035AQI
7
6
21
14
4
25
5
26
5
31
24
6
28
3
22
8
29
2
227
39
Highest AQI recorded in
March48AQI
Lowest AQI recorded in
August27AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2024(Avg.)
51AQILeast Polluted Year Recorded
2020(Avg.)
35AQIMoncao's annual 2025 AQI (35) shows an average percentage change of -13.2% (improved AQI) compared to previous years: 2020 (35), 2021 (39), 2022 (38), 2023 (46), 2024 (51).
