Estarreja, Aveiro, 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
Estarreja, Aveiro, Portugal
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
12th Aug 2025
57AQILowest AQI recorded on
6th Aug 2024
17AQISame Day Analysis (7th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 28 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 6th Aug - 7th Aug 2026
Estarreja, Aveiro, Portugal
AQI
Day
Night
.
6 AM6th Aug 2026
8 PM
5 AM7th Aug 2026
Day time
Avg. Highest Time
8PM6th Aug
51AQI
Avg. Lowest Time
3PM6th Aug
21AQI
Night time
Avg. Highest Time
9PM6th Aug
36AQI
Avg. Lowest Time
5AM7th Aug
25AQI
In the last 24 hours,
Estarreja's AQI reached its highest point of 51 at 8 PM during the Day, while the lowest point, 21, was recorded at 3 PM during the Day between 6th Aug and 7th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Estarreja, Aveiro, Portugal
JulAug
09th - 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 - 06th06th - 07th07th
Day
Night
9th Jul 2026256 AMAQI
9th Jul 2026207 AMAQI
9th Jul 2026268 AMAQI
9th Jul 2026289 AMAQI
9th Jul 20262210 AMAQI
9th Jul 20262311 AMAQI
9th Jul 20262612 PMAQI
9th Jul 2026241 PMAQI
9th Jul 2026262 PMAQI
9th Jul 2026303 PMAQI
9th Jul 2026274 PMAQI
9th Jul 2026285 PMAQI
9th Jul 2026306 PMAQI
9th Jul 2026407 PMAQI
9th Jul 2026158 PMAQI
9th Jul 2026289 PMAQI
9th Jul 20262910 PMAQI
9th Jul 20262811 PMAQI
10th Jul 20262812 AMAQI
10th Jul 2026181 AMAQI
10th Jul 2026282 AMAQI
10th Jul 2026283 AMAQI
10th Jul 2026244 AMAQI
10th Jul 2026255 AMAQI
18°C15/22°C
10th Jul 2026236 AMAQI
10th Jul 2026227 AMAQI
10th Jul 2026268 AMAQI
10th Jul 2026309 AMAQI
10th Jul 20262810 AMAQI
10th Jul 20263011 AMAQI
10th Jul 20263012 PMAQI
10th Jul 2026301 PMAQI
10th Jul 2026322 PMAQI
10th Jul 2026343 PMAQI
10th Jul 2026324 PMAQI
10th Jul 2026325 PMAQI
10th Jul 2026286 PMAQI
10th Jul 2026307 PMAQI
10th Jul 2026308 PMAQI
10th Jul 2026329 PMAQI
10th Jul 20263110 PMAQI
10th Jul 20263211 PMAQI
11th Jul 20263112 AMAQI
11th Jul 2026361 AMAQI
11th Jul 2026352 AMAQI
11th Jul 2026233 AMAQI
11th Jul 2026244 AMAQI
11th Jul 2026245 AMAQI
19°C14/26°C
11th Jul 2026246 AMAQI
11th Jul 2026237 AMAQI
11th Jul 2026248 AMAQI
11th Jul 2026319 AMAQI
11th Jul 20262810 AMAQI
11th Jul 20262811 AMAQI
11th Jul 20262412 PMAQI
11th Jul 2026301 PMAQI
11th Jul 2026302 PMAQI
11th Jul 2026323 PMAQI
11th Jul 2026324 PMAQI
11th Jul 2026325 PMAQI
11th Jul 2026316 PMAQI
11th Jul 2026317 PMAQI
11th Jul 2026288 PMAQI
11th Jul 2026309 PMAQI
11th Jul 20263010 PMAQI
11th Jul 20262811 PMAQI
12th Jul 20263212 AMAQI
12th Jul 2026311 AMAQI
12th Jul 2026302 AMAQI
12th Jul 2026263 AMAQI
12th Jul 2026264 AMAQI
12th Jul 2026245 AMAQI
20°C14/27°C
12th Jul 2026226 AMAQI
12th Jul 2026227 AMAQI
12th Jul 2026268 AMAQI
12th Jul 2026279 AMAQI
12th Jul 20262810 AMAQI
12th Jul 20262611 AMAQI
12th Jul 20262812 PMAQI
12th Jul 2026301 PMAQI
12th Jul 2026292 PMAQI
12th Jul 2026283 PMAQI
12th Jul 2026294 PMAQI
12th Jul 2026305 PMAQI
12th Jul 2026306 PMAQI
12th Jul 2026237 PMAQI
12th Jul 2026248 PMAQI
12th Jul 2026279 PMAQI
12th Jul 20262210 PMAQI
12th Jul 20262011 PMAQI
13th Jul 20262212 AMAQI
13th Jul 2026221 AMAQI
13th Jul 2026222 AMAQI
13th Jul 2026203 AMAQI
13th Jul 2026204 AMAQI
13th Jul 2026185 AMAQI
19°C14/24°C
13th Jul 2026226 AMAQI
13th Jul 2026167 AMAQI
13th Jul 2026228 AMAQI
13th Jul 2026209 AMAQI
13th Jul 20262410 AMAQI
13th Jul 20262611 AMAQI
13th Jul 20262912 PMAQI
13th Jul 2026201 PMAQI
13th Jul 2026262 PMAQI
13th Jul 2026183 PMAQI
13th Jul 2026244 PMAQI
13th Jul 2026275 PMAQI
13th Jul 2026296 PMAQI
13th Jul 2026307 PMAQI
13th Jul 2026288 PMAQI
13th Jul 2026259 PMAQI
13th Jul 20262510 PMAQI
13th Jul 20262611 PMAQI
14th Jul 20262512 AMAQI
14th Jul 2026311 AMAQI
14th Jul 2026302 AMAQI
14th Jul 2026263 AMAQI
14th Jul 2026254 AMAQI
14th Jul 2026245 AMAQI
19°C14/24°C
14th Jul 2026196 AMAQI
14th Jul 2026247 AMAQI
14th Jul 2026238 AMAQI
14th Jul 2026179 AMAQI
14th Jul 20262910 AMAQI
14th Jul 20261811 AMAQI
14th Jul 20261912 PMAQI
14th Jul 2026221 PMAQI
14th Jul 2026172 PMAQI
14th Jul 2026203 PMAQI
14th Jul 2026204 PMAQI
14th Jul 2026315 PMAQI
14th Jul 2026316 PMAQI
14th Jul 2026247 PMAQI
14th Jul 2026188 PMAQI
14th Jul 2026179 PMAQI
14th Jul 20261810 PMAQI
14th Jul 20262011 PMAQI
15th Jul 20262412 AMAQI
15th Jul 2026251 AMAQI
15th Jul 2026282 AMAQI
15th Jul 2026183 AMAQI
15th Jul 2026204 AMAQI
15th Jul 2026195 AMAQI
20°C16/27°C
15th Jul 2026166 AMAQI
15th Jul 2026187 AMAQI
15th Jul 2026198 AMAQI
15th Jul 2026239 AMAQI
15th Jul 20262210 AMAQI
15th Jul 20261611 AMAQI
15th Jul 20262712 PMAQI
15th Jul 2026291 PMAQI
15th Jul 2026292 PMAQI
15th Jul 2026143 PMAQI
15th Jul 2026144 PMAQI
15th Jul 2026205 PMAQI
15th Jul 2026286 PMAQI
15th Jul 2026257 PMAQI
15th Jul 2026268 PMAQI
15th Jul 2026209 PMAQI
15th Jul 20262410 PMAQI
15th Jul 20262211 PMAQI
16th Jul 20262012 AMAQI
16th Jul 202691 AMAQI
16th Jul 2026182 AMAQI
16th Jul 2026243 AMAQI
16th Jul 2026204 AMAQI
16th Jul 202695 AMAQI
20°C14/27°C
16th Jul 2026166 AMAQI
16th Jul 2026207 AMAQI
16th Jul 2026108 AMAQI
16th Jul 2026229 AMAQI
16th Jul 20262810 AMAQI
16th Jul 20262411 AMAQI
16th Jul 20262612 PMAQI
16th Jul 2026251 PMAQI
16th Jul 2026252 PMAQI
16th Jul 2026183 PMAQI
16th Jul 2026204 PMAQI
16th Jul 2026285 PMAQI
16th Jul 2026266 PMAQI
16th Jul 2026127 PMAQI
16th Jul 2026288 PMAQI
16th Jul 2026219 PMAQI
16th Jul 20262110 PMAQI
16th Jul 20262511 PMAQI
17th Jul 20262312 AMAQI
17th Jul 2026241 AMAQI
17th Jul 2026282 AMAQI
17th Jul 2026223 AMAQI
17th Jul 2026254 AMAQI
17th Jul 2026265 AMAQI
20°C15/26°C
17th Jul 2026226 AMAQI
17th Jul 2026227 AMAQI
17th Jul 2026298 AMAQI
17th Jul 2026259 AMAQI
17th Jul 20262510 AMAQI
17th Jul 20262911 AMAQI
17th Jul 20262312 PMAQI
17th Jul 2026291 PMAQI
17th Jul 2026272 PMAQI
17th Jul 2026253 PMAQI
17th Jul 2026424 PMAQI
17th Jul 2026385 PMAQI
17th Jul 2026406 PMAQI
17th Jul 2026277 PMAQI
17th Jul 2026238 PMAQI
17th Jul 2026239 PMAQI
17th Jul 20262310 PMAQI
17th Jul 20262511 PMAQI
18th Jul 20262712 AMAQI
18th Jul 2026361 AMAQI
18th Jul 2026482 AMAQI
18th Jul 2026293 AMAQI
18th Jul 2026234 AMAQI
18th Jul 2026235 AMAQI
20°C15/26°C
18th Jul 2026276 AMAQI
18th Jul 2026277 AMAQI
18th Jul 2026298 AMAQI
18th Jul 2026339 AMAQI
18th Jul 20263310 AMAQI
18th Jul 20262711 AMAQI
18th Jul 20263312 PMAQI
18th Jul 2026331 PMAQI
18th Jul 2026332 PMAQI
18th Jul 2026333 PMAQI
18th Jul 2026314 PMAQI
18th Jul 2026335 PMAQI
18th Jul 2026336 PMAQI
18th Jul 2026337 PMAQI
18th Jul 2026298 PMAQI
18th Jul 2026299 PMAQI
18th Jul 20262910 PMAQI
18th Jul 20262911 PMAQI
19th Jul 20263012 AMAQI
19th Jul 2026241 AMAQI
19th Jul 2026272 AMAQI
19th Jul 2026323 AMAQI
19th Jul 2026284 AMAQI
19th Jul 2026295 AMAQI
20°C14/27°C
19th Jul 2026316 AMAQI
19th Jul 2026257 AMAQI
19th Jul 2026278 AMAQI
19th Jul 2026269 AMAQI
19th Jul 20262810 AMAQI
19th Jul 20262711 AMAQI
19th Jul 20262612 PMAQI
19th Jul 2026361 PMAQI
19th Jul 2026422 PMAQI
19th Jul 2026253 PMAQI
19th Jul 2026254 PMAQI
19th Jul 2026255 PMAQI
19th Jul 2026216 PMAQI
19th Jul 2026237 PMAQI
19th Jul 2026408 PMAQI
19th Jul 2026279 PMAQI
19th Jul 20262910 PMAQI
19th Jul 20262511 PMAQI
20th Jul 20262912 AMAQI
20th Jul 2026291 AMAQI
20th Jul 2026292 AMAQI
20th Jul 2026293 AMAQI
20th Jul 2026254 AMAQI
20th Jul 2026295 AMAQI
20°C16/27°C
20th Jul 2026276 AMAQI
20th Jul 2026277 AMAQI
20th Jul 2026298 AMAQI
20th Jul 2026279 AMAQI
20th Jul 20262910 AMAQI
20th Jul 20262911 AMAQI
20th Jul 20262912 PMAQI
20th Jul 2026291 PMAQI
20th Jul 2026302 PMAQI
20th Jul 2026273 PMAQI
20th Jul 2026294 PMAQI
20th Jul 2026255 PMAQI
20th Jul 2026256 PMAQI
20th Jul 2026297 PMAQI
20th Jul 2026308 PMAQI
20th Jul 2026409 PMAQI
20th Jul 20263610 PMAQI
20th Jul 20263411 PMAQI
21st Jul 20263412 AMAQI
21st Jul 2026331 AMAQI
21st Jul 2026392 AMAQI
21st Jul 2026323 AMAQI
21st Jul 2026385 AMAQI
20°C15/27°C
21st Jul 2026336 AMAQI
21st Jul 2026307 AMAQI
21st Jul 2026308 AMAQI
21st Jul 2026409 AMAQI
21st Jul 20265310 AMAQI
21st Jul 20265311 AMAQI
21st Jul 20262712 PMAQI
21st Jul 2026281 PMAQI
21st Jul 2026342 PMAQI
21st Jul 2026343 PMAQI
21st Jul 2026254 PMAQI
21st Jul 2026405 PMAQI
21st Jul 2026566 PMAQI
21st Jul 2026387 PMAQI
21st Jul 2026508 PMAQI
21st Jul 2026409 PMAQI
21st Jul 20263410 PMAQI
21st Jul 20263111 PMAQI
22nd Jul 20262512 AMAQI
22nd Jul 2026261 AMAQI
22nd Jul 2026272 AMAQI
22nd Jul 2026293 AMAQI
22nd Jul 2026304 AMAQI
22nd Jul 2026295 AMAQI
21°C15/28°C
22nd Jul 2026326 AMAQI
22nd Jul 2026307 AMAQI
22nd Jul 2026268 AMAQI
22nd Jul 2026309 AMAQI
22nd Jul 20262310 AMAQI
22nd Jul 20262311 AMAQI
22nd Jul 20262512 PMAQI
22nd Jul 2026251 PMAQI
22nd Jul 2026232 PMAQI
22nd Jul 2026253 PMAQI
22nd Jul 2026254 PMAQI
22nd Jul 2026265 PMAQI
22nd Jul 2026296 PMAQI
22nd Jul 2026297 PMAQI
22nd Jul 2026238 PMAQI
22nd Jul 2026259 PMAQI
22nd Jul 20262510 PMAQI
22nd Jul 20262511 PMAQI
23rd Jul 20262512 AMAQI
23rd Jul 2026231 AMAQI
23rd Jul 2026312 AMAQI
23rd Jul 2026253 AMAQI
23rd Jul 2026254 AMAQI
23rd Jul 2026235 AMAQI
21°C15/28°C
23rd Jul 2026256 AMAQI
23rd Jul 2026257 AMAQI
23rd Jul 2026258 AMAQI
23rd Jul 2026279 AMAQI
23rd Jul 20262510 AMAQI
23rd Jul 20262511 AMAQI
23rd Jul 20262312 PMAQI
23rd Jul 2026211 PMAQI
23rd Jul 2026252 PMAQI
23rd Jul 2026213 PMAQI
23rd Jul 2026234 PMAQI
23rd Jul 2026295 PMAQI
23rd Jul 2026296 PMAQI
23rd Jul 2026387 PMAQI
23rd Jul 2026458 PMAQI
23rd Jul 2026319 PMAQI
23rd Jul 20262510 PMAQI
23rd Jul 20262911 PMAQI
24th Jul 20262712 AMAQI
24th Jul 2026361 AMAQI
24th Jul 2026342 AMAQI
24th Jul 2026273 AMAQI
24th Jul 2026254 AMAQI
24th Jul 2026255 AMAQI
20°C15/26°C
24th Jul 2026216 AMAQI
24th Jul 2026217 AMAQI
24th Jul 2026278 AMAQI
24th Jul 2026259 AMAQI
24th Jul 20262910 AMAQI
24th Jul 20262911 AMAQI
24th Jul 20262312 PMAQI
24th Jul 2026231 PMAQI
24th Jul 2026252 PMAQI
24th Jul 2026253 PMAQI
24th Jul 2026254 PMAQI
24th Jul 2026295 PMAQI
24th Jul 2026296 PMAQI
24th Jul 2026237 PMAQI
24th Jul 2026278 PMAQI
24th Jul 2026239 PMAQI
24th Jul 20262510 PMAQI
24th Jul 20262311 PMAQI
25th Jul 20262912 AMAQI
25th Jul 2026291 AMAQI
25th Jul 2026292 AMAQI
25th Jul 2026213 AMAQI
25th Jul 2026294 AMAQI
25th Jul 2026295 AMAQI
19°C15/23°C
25th Jul 2026296 AMAQI
25th Jul 2026297 AMAQI
25th Jul 2026258 AMAQI
25th Jul 2026259 AMAQI
25th Jul 20262110 AMAQI
25th Jul 20262911 AMAQI
25th Jul 20262112 PMAQI
25th Jul 2026251 PMAQI
25th Jul 2026292 PMAQI
25th Jul 2026253 PMAQI
25th Jul 2026294 PMAQI
25th Jul 2026235 PMAQI
25th Jul 2026296 PMAQI
25th Jul 2026297 PMAQI
25th Jul 2026258 PMAQI
25th Jul 2026299 PMAQI
25th Jul 20262910 PMAQI
25th Jul 20262711 PMAQI
26th Jul 20262912 AMAQI
26th Jul 2026261 AMAQI
26th Jul 2026292 AMAQI
26th Jul 2026293 AMAQI
26th Jul 2026254 AMAQI
26th Jul 2026235 AMAQI
20°C16/26°C
26th Jul 2026256 AMAQI
26th Jul 2026297 AMAQI
26th Jul 2026258 AMAQI
26th Jul 2026219 AMAQI
26th Jul 20262510 AMAQI
26th Jul 20262511 AMAQI
26th Jul 20263112 PMAQI
26th Jul 2026251 PMAQI
26th Jul 2026292 PMAQI
26th Jul 2026253 PMAQI
26th Jul 2026274 PMAQI
26th Jul 2026215 PMAQI
26th Jul 2026296 PMAQI
26th Jul 2026257 PMAQI
26th Jul 2026318 PMAQI
26th Jul 2026329 PMAQI
26th Jul 20262510 PMAQI
26th Jul 20262911 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026251 AMAQI
27th Jul 2026382 AMAQI
27th Jul 2026253 AMAQI
27th Jul 2026294 AMAQI
27th Jul 2026295 AMAQI
21°C14/28°C
27th Jul 2026256 AMAQI
27th Jul 2026217 AMAQI
27th Jul 2026298 AMAQI
27th Jul 2026299 AMAQI
27th Jul 20262910 AMAQI
27th Jul 20262911 AMAQI
27th Jul 20262912 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026252 PMAQI
27th Jul 2026293 PMAQI
27th Jul 2026294 PMAQI
27th Jul 2026425 PMAQI
27th Jul 2026626 PMAQI
27th Jul 2026547 PMAQI
27th Jul 2026448 PMAQI
27th Jul 2026259 PMAQI
27th Jul 20262910 PMAQI
27th Jul 20262911 PMAQI
28th Jul 20262712 AMAQI
28th Jul 2026321 AMAQI
28th Jul 2026272 AMAQI
28th Jul 2026293 AMAQI
28th Jul 2026264 AMAQI
28th Jul 2026255 AMAQI
26°C18/35°C
28th Jul 2026236 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026258 AMAQI
28th Jul 2026259 AMAQI
28th Jul 20262310 AMAQI
28th Jul 20262311 AMAQI
28th Jul 20262612 PMAQI
28th Jul 2026361 PMAQI
28th Jul 2026552 PMAQI
28th Jul 2026453 PMAQI
28th Jul 2026484 PMAQI
28th Jul 2026385 PMAQI
28th Jul 2026296 PMAQI
28th Jul 2026297 PMAQI
28th Jul 2026258 PMAQI
28th Jul 2026259 PMAQI
28th Jul 20263110 PMAQI
28th Jul 20262911 PMAQI
29th Jul 20262512 AMAQI
29th Jul 2026271 AMAQI
29th Jul 2026292 AMAQI
29th Jul 2026293 AMAQI
29th Jul 2026294 AMAQI
29th Jul 2026295 AMAQI
24°C18/31°C
29th Jul 2026296 AMAQI
29th Jul 2026297 AMAQI
29th Jul 2026298 AMAQI
29th Jul 2026299 AMAQI
29th Jul 20262910 AMAQI
29th Jul 20262911 AMAQI
29th Jul 20265512 PMAQI
29th Jul 2026291 PMAQI
29th Jul 2026292 PMAQI
29th Jul 2026293 PMAQI
29th Jul 2026294 PMAQI
29th Jul 2026255 PMAQI
29th Jul 2026316 PMAQI
29th Jul 2026297 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026239 PMAQI
29th Jul 20262910 PMAQI
29th Jul 20262911 PMAQI
30th Jul 20263112 AMAQI
30th Jul 2026291 AMAQI
30th Jul 2026292 AMAQI
30th Jul 2026293 AMAQI
30th Jul 2026364 AMAQI
30th Jul 2026215 AMAQI
21°C16/27°C
30th Jul 2026296 AMAQI
30th Jul 2026317 AMAQI
30th Jul 2026298 AMAQI
30th Jul 2026319 AMAQI
30th Jul 20262510 AMAQI
30th Jul 20262111 AMAQI
30th Jul 20262912 PMAQI
30th Jul 2026291 PMAQI
30th Jul 2026292 PMAQI
30th Jul 2026293 PMAQI
30th Jul 2026294 PMAQI
30th Jul 2026295 PMAQI
30th Jul 2026296 PMAQI
30th Jul 2026297 PMAQI
30th Jul 2026298 PMAQI
30th Jul 2026259 PMAQI
30th Jul 20262510 PMAQI
30th Jul 20262911 PMAQI
31st Jul 20262912 AMAQI
31st Jul 2026291 AMAQI
31st Jul 2026292 AMAQI
31st Jul 2026293 AMAQI
31st Jul 2026294 AMAQI
31st Jul 2026295 AMAQI
19°C15/25°C
31st Jul 2026296 AMAQI
31st Jul 2026297 AMAQI
31st Jul 2026298 AMAQI
31st Jul 2026299 AMAQI
31st Jul 20262910 AMAQI
31st Jul 20262511 AMAQI
31st Jul 20262912 PMAQI
31st Jul 2026251 PMAQI
31st Jul 2026252 PMAQI
31st Jul 2026293 PMAQI
31st Jul 2026254 PMAQI
31st Jul 2026255 PMAQI
31st Jul 2026346 PMAQI
31st Jul 2026327 PMAQI
31st Jul 2026368 PMAQI
31st Jul 2026239 PMAQI
31st Jul 20262910 PMAQI
31st Jul 20262911 PMAQI
1st Aug 20262112 AMAQI
1st Aug 2026291 AMAQI
1st Aug 2026252 AMAQI
1st Aug 2026293 AMAQI
1st Aug 2026254 AMAQI
1st Aug 2026295 AMAQI
20°C14/27°C
1st Aug 2026296 AMAQI
1st Aug 2026297 AMAQI
1st Aug 2026298 AMAQI
1st Aug 2026259 AMAQI
1st Aug 20262510 AMAQI
1st Aug 20262911 AMAQI
1st Aug 20262912 PMAQI
1st Aug 2026291 PMAQI
1st Aug 2026292 PMAQI
1st Aug 2026293 PMAQI
1st Aug 2026274 PMAQI
1st Aug 2026295 PMAQI
1st Aug 2026276 PMAQI
1st Aug 2026347 PMAQI
1st Aug 2026388 PMAQI
1st Aug 2026299 PMAQI
1st Aug 20262910 PMAQI
1st Aug 20262511 PMAQI
2nd Aug 20262912 AMAQI
2nd Aug 2026291 AMAQI
2nd Aug 2026272 AMAQI
2nd Aug 2026293 AMAQI
2nd Aug 2026294 AMAQI
2nd Aug 2026295 AMAQI
21°C15/30°C
2nd Aug 2026256 AMAQI
2nd Aug 2026297 AMAQI
2nd Aug 2026298 AMAQI
2nd Aug 2026279 AMAQI
2nd Aug 20262510 AMAQI
2nd Aug 20262911 AMAQI
2nd Aug 20262912 PMAQI
2nd Aug 2026291 PMAQI
2nd Aug 2026292 PMAQI
2nd Aug 2026253 PMAQI
2nd Aug 2026294 PMAQI
2nd Aug 2026295 PMAQI
2nd Aug 2026216 PMAQI
2nd Aug 2026297 PMAQI
2nd Aug 2026298 PMAQI
2nd Aug 2026299 PMAQI
2nd Aug 20262910 PMAQI
2nd Aug 20262911 PMAQI
3rd Aug 20262912 AMAQI
3rd Aug 2026291 AMAQI
3rd Aug 2026302 AMAQI
3rd Aug 2026293 AMAQI
3rd Aug 2026294 AMAQI
3rd Aug 2026295 AMAQI
20°C15/27°C
3rd Aug 2026296 AMAQI
3rd Aug 2026297 AMAQI
3rd Aug 2026298 AMAQI
3rd Aug 2026299 AMAQI
3rd Aug 20262910 AMAQI
3rd Aug 20262911 AMAQI
3rd Aug 20262912 PMAQI
3rd Aug 2026251 PMAQI
3rd Aug 2026212 PMAQI
3rd Aug 2026293 PMAQI
3rd Aug 2026294 PMAQI
3rd Aug 2026295 PMAQI
3rd Aug 2026276 PMAQI
3rd Aug 2026257 PMAQI
3rd Aug 2026298 PMAQI
3rd Aug 2026299 PMAQI
3rd Aug 20262910 PMAQI
3rd Aug 20262911 PMAQI
4th Aug 20262912 AMAQI
4th Aug 2026291 AMAQI
4th Aug 2026292 AMAQI
4th Aug 2026293 AMAQI
4th Aug 2026294 AMAQI
4th Aug 2026295 AMAQI
20°C15/26°C
4th Aug 2026296 AMAQI
4th Aug 2026297 AMAQI
4th Aug 2026338 AMAQI
4th Aug 2026339 AMAQI
4th Aug 20263310 AMAQI
4th Aug 20263311 AMAQI
4th Aug 20263312 PMAQI
4th Aug 2026331 PMAQI
4th Aug 2026332 PMAQI
4th Aug 2026333 PMAQI
4th Aug 2026334 PMAQI
4th Aug 2026605 PMAQI
4th Aug 2026636 PMAQI
4th Aug 2026277 PMAQI
4th Aug 2026318 PMAQI
4th Aug 2026299 PMAQI
4th Aug 20262910 PMAQI
4th Aug 20262911 PMAQI
5th Aug 20262912 AMAQI
5th Aug 2026291 AMAQI
5th Aug 2026292 AMAQI
5th Aug 2026293 AMAQI
5th Aug 2026294 AMAQI
5th Aug 2026295 AMAQI
21°C16/26°C
5th Aug 2026296 AMAQI
5th Aug 2026297 AMAQI
5th Aug 2026298 AMAQI
5th Aug 2026299 AMAQI
5th Aug 20262910 AMAQI
5th Aug 20262911 AMAQI
5th Aug 20262912 PMAQI
5th Aug 2026291 PMAQI
5th Aug 2026292 PMAQI
5th Aug 2026293 PMAQI
5th Aug 2026254 PMAQI
5th Aug 2026215 PMAQI
5th Aug 2026256 PMAQI
5th Aug 2026297 PMAQI
5th Aug 2026258 PMAQI
5th Aug 2026299 PMAQI
5th Aug 20262910 PMAQI
5th Aug 20262111 PMAQI
6th Aug 20262912 AMAQI
6th Aug 2026291 AMAQI
6th Aug 2026292 AMAQI
6th Aug 2026293 AMAQI
6th Aug 2026294 AMAQI
6th Aug 2026295 AMAQI
21°C16/27°C
6th Aug 2026296 AMAQI
6th Aug 2026297 AMAQI
6th Aug 2026298 AMAQI
6th Aug 2026299 AMAQI
6th Aug 20262510 AMAQI
6th Aug 20263111 AMAQI
6th Aug 20262512 PMAQI
6th Aug 2026291 PMAQI
6th Aug 2026252 PMAQI
6th Aug 2026213 PMAQI
6th Aug 2026294 PMAQI
6th Aug 2026275 PMAQI
6th Aug 2026296 PMAQI
6th Aug 2026297 PMAQI
6th Aug 2026518 PMAQI
6th Aug 2026369 PMAQI
6th Aug 20262910 PMAQI
6th Aug 20262711 PMAQI
7th Aug 20262512 AMAQI
7th Aug 2026291 AMAQI
7th Aug 2026292 AMAQI
7th Aug 2026293 AMAQI
7th Aug 2026294 AMAQI
7th Aug 2026255 AMAQI
21°C15/29°C
7th Aug 2026296 AMAQI
6 AM7th Aug 2026297 AMAQI
7th Aug 2026278 AMAQI
7th Aug 2026299 AMAQI
7th Aug 20262510 AMAQI
7th Aug 20262911 AMAQI
7th Aug 20262712 PMAQI
7th Aug 2026271 PMAQI
1 PM7th Aug 2026232 PMAQI
7th Aug 2026293 PMAQI
7th Aug 2026294 PMAQI
7th Aug 2026295 PMAQI
7th Aug 2026296 PMAQI
7th Aug 2026297 PMAQI
7th Aug 2026278 PMAQI
8 PM7th Aug 2026259 PMAQI
7th Aug 20263210 PMAQI
7th Aug 20262711 PMAQI
1 AM
5 AM
22°C16/29°C
Day time
Avg. Highest Time
6 PM
32AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
6 AM - 8 AM
26AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 PM to 6 PM (Avg. 32), while the lowest AQI was between 6 AM to 8 AM (Avg. 26).
Night time
Avg. Highest Time
2 AM
30AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
4 AM - 5 AM
26AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 2 AM (Avg. 30), while the lowest AQI was between 4 AM to 5 AM (Avg. 26).
2026 Days Vs Air Quality
Estarreja, Aveiro, Portugal
2026
97%
209
3%
7
Total number of days with different AQI categories in last 219 days in 2026 (146 days remaining)
Good
209 DaysModerate
7 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2026, 97% of 219 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
Estarreja, Aveiro, Portugal
AQI levels in 2026
AQI (US)
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 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
39AQI (US)
39AQI (US)
2nd January 2026
20AQI (US)
20AQI (US)
3rd January 2026
32AQI (US)
32AQI (US)
4th January 2026
27AQI (US)
27AQI (US)
5th January 2026
31AQI (US)
31AQI (US)
6th January 2026
27AQI (US)
27AQI (US)
7th January 2026
57AQI (US)
57AQI (US)
8th January 2026
63AQI (US)
63AQI (US)
9th January 2026
21AQI (US)
21AQI (US)
10th January 2026
40AQI (US)
40AQI (US)
11th January 2026
29AQI (US)
29AQI (US)
12th January 2026
15AQI (US)
15AQI (US)
13th January 2026
14AQI (US)
14AQI (US)
14th January 2026
22AQI (US)
22AQI (US)
15th January 2026
38AQI (US)
38AQI (US)
16th January 2026
35AQI (US)
35AQI (US)
17th January 2026
41AQI (US)
41AQI (US)
18th January 2026
58AQI (US)
58AQI (US)
19th January 2026
62AQI (US)
62AQI (US)
20th January 2026
56AQI (US)
56AQI (US)
21st January 2026
25AQI (US)
25AQI (US)
22nd January 2026
27AQI (US)
27AQI (US)
23rd January 2026
31AQI (US)
31AQI (US)
24th January 2026
33AQI (US)
33AQI (US)
25th January 2026
44AQI (US)
44AQI (US)
26th January 2026
35AQI (US)
35AQI (US)
27th January 2026
35AQI (US)
35AQI (US)
28th January 2026
33AQI (US)
33AQI (US)
29th January 2026
40AQI (US)
40AQI (US)
30th January 2026
45AQI (US)
45AQI (US)
31st January 2026
38AQI (US)
38AQI (US)
1st February 2026
35AQI (US)
35AQI (US)
2nd February 2026
37AQI (US)
37AQI (US)
3rd February 2026
41AQI (US)
41AQI (US)
4th February 2026
46AQI (US)
46AQI (US)
5th February 2026
35AQI (US)
35AQI (US)
6th February 2026
31AQI (US)
31AQI (US)
7th February 2026
35AQI (US)
35AQI (US)
8th February 2026
40AQI (US)
40AQI (US)
9th February 2026
36AQI (US)
36AQI (US)
10th February 2026
29AQI (US)
29AQI (US)
11th February 2026
36AQI (US)
36AQI (US)
12th February 2026
44AQI (US)
44AQI (US)
13th February 2026
20AQI (US)
20AQI (US)
14th February 2026
35AQI (US)
35AQI (US)
15th February 2026
28AQI (US)
28AQI (US)
16th February 2026
33AQI (US)
33AQI (US)
17th February 2026
45AQI (US)
45AQI (US)
18th February 2026
36AQI (US)
36AQI (US)
19th February 2026
36AQI (US)
36AQI (US)
20th February 2026
23AQI (US)
23AQI (US)
21st February 2026
28AQI (US)
28AQI (US)
22nd February 2026
30AQI (US)
30AQI (US)
23rd February 2026
53AQI (US)
53AQI (US)
24th February 2026
47AQI (US)
47AQI (US)
25th February 2026
26AQI (US)
26AQI (US)
26th February 2026
26AQI (US)
26AQI (US)
27th February 2026
42AQI (US)
42AQI (US)
28th February 2026
24AQI (US)
24AQI (US)
1st March 2026
37AQI (US)
37AQI (US)
2nd March 2026
35AQI (US)
35AQI (US)
3rd March 2026
27AQI (US)
27AQI (US)
4th March 2026
51AQI (US)
51AQI (US)
5th March 2026
36AQI (US)
36AQI (US)
6th March 2026
23AQI (US)
23AQI (US)
7th March 2026
29AQI (US)
29AQI (US)
8th March 2026
35AQI (US)
35AQI (US)
9th March 2026
33AQI (US)
33AQI (US)
10th March 2026
33AQI (US)
33AQI (US)
11th March 2026
24AQI (US)
24AQI (US)
12th March 2026
26AQI (US)
26AQI (US)
13th March 2026
28AQI (US)
28AQI (US)
14th March 2026
29AQI (US)
29AQI (US)
15th March 2026
30AQI (US)
30AQI (US)
16th March 2026
32AQI (US)
32AQI (US)
17th March 2026
33AQI (US)
33AQI (US)
18th March 2026
28AQI (US)
28AQI (US)
19th March 2026
28AQI (US)
28AQI (US)
20th March 2026
30AQI (US)
30AQI (US)
21st March 2026
35AQI (US)
35AQI (US)
22nd March 2026
29AQI (US)
29AQI (US)
23rd March 2026
29AQI (US)
29AQI (US)
24th March 2026
33AQI (US)
33AQI (US)
25th March 2026
47AQI (US)
47AQI (US)
26th March 2026
25AQI (US)
25AQI (US)
27th March 2026
27AQI (US)
27AQI (US)
28th March 2026
27AQI (US)
27AQI (US)
29th March 2026
27AQI (US)
27AQI (US)
30th March 2026
24AQI (US)
24AQI (US)
31st March 2026
24AQI (US)
24AQI (US)
1st April 2026
29AQI (US)
29AQI (US)
2nd April 2026
28AQI (US)
28AQI (US)
3rd April 2026
22AQI (US)
22AQI (US)
4th April 2026
26AQI (US)
26AQI (US)
5th April 2026
21AQI (US)
21AQI (US)
6th April 2026
30AQI (US)
30AQI (US)
7th April 2026
26AQI (US)
26AQI (US)
8th April 2026
33AQI (US)
33AQI (US)
9th April 2026
19AQI (US)
19AQI (US)
10th April 2026
18AQI (US)
18AQI (US)
11th April 2026
24AQI (US)
24AQI (US)
12th April 2026
27AQI (US)
27AQI (US)
13th April 2026
28AQI (US)
28AQI (US)
14th April 2026
24AQI (US)
24AQI (US)
15th April 2026
18AQI (US)
18AQI (US)
16th April 2026
21AQI (US)
21AQI (US)
17th April 2026
18th April 2026
29AQI (US)
29AQI (US)
19th April 2026
27AQI (US)
27AQI (US)
20th April 2026
25AQI (US)
25AQI (US)
21st April 2026
28AQI (US)
28AQI (US)
22nd April 2026
23rd April 2026
23AQI (US)
23AQI (US)
24th April 2026
24AQI (US)
24AQI (US)
25th April 2026
27AQI (US)
27AQI (US)
26th April 2026
28AQI (US)
28AQI (US)
27th April 2026
27AQI (US)
27AQI (US)
28th April 2026
25AQI (US)
25AQI (US)
29th April 2026
24AQI (US)
24AQI (US)
30th April 2026
23AQI (US)
23AQI (US)
1st May 2026
25AQI (US)
25AQI (US)
2nd May 2026
22AQI (US)
22AQI (US)
3rd May 2026
19AQI (US)
19AQI (US)
4th May 2026
24AQI (US)
24AQI (US)
5th May 2026
30AQI (US)
30AQI (US)
6th May 2026
27AQI (US)
27AQI (US)
7th May 2026
17AQI (US)
17AQI (US)
8th May 2026
26AQI (US)
26AQI (US)
9th May 2026
10th May 2026
31AQI (US)
31AQI (US)
11th May 2026
27AQI (US)
27AQI (US)
12th May 2026
31AQI (US)
31AQI (US)
13th May 2026
26AQI (US)
26AQI (US)
14th May 2026
26AQI (US)
26AQI (US)
15th May 2026
30AQI (US)
30AQI (US)
16th May 2026
35AQI (US)
35AQI (US)
17th May 2026
37AQI (US)
37AQI (US)
18th May 2026
37AQI (US)
37AQI (US)
19th May 2026
38AQI (US)
38AQI (US)
20th May 2026
36AQI (US)
36AQI (US)
21st May 2026
38AQI (US)
38AQI (US)
22nd May 2026
44AQI (US)
44AQI (US)
23rd May 2026
41AQI (US)
41AQI (US)
24th May 2026
46AQI (US)
46AQI (US)
25th May 2026
39AQI (US)
39AQI (US)
26th May 2026
29AQI (US)
29AQI (US)
27th May 2026
32AQI (US)
32AQI (US)
28th May 2026
28AQI (US)
28AQI (US)
29th May 2026
26AQI (US)
26AQI (US)
30th May 2026
26AQI (US)
26AQI (US)
31st May 2026
27AQI (US)
27AQI (US)
1st June 2026
27AQI (US)
27AQI (US)
2nd June 2026
19AQI (US)
19AQI (US)
3rd June 2026
20AQI (US)
20AQI (US)
4th June 2026
20AQI (US)
20AQI (US)
5th June 2026
24AQI (US)
24AQI (US)
6th June 2026
24AQI (US)
24AQI (US)
7th June 2026
22AQI (US)
22AQI (US)
8th June 2026
23AQI (US)
23AQI (US)
9th June 2026
20AQI (US)
20AQI (US)
10th June 2026
24AQI (US)
24AQI (US)
11th June 2026
25AQI (US)
25AQI (US)
12th June 2026
19AQI (US)
19AQI (US)
13th June 2026
23AQI (US)
23AQI (US)
14th June 2026
26AQI (US)
26AQI (US)
15th June 2026
22AQI (US)
22AQI (US)
16th June 2026
25AQI (US)
25AQI (US)
17th June 2026
25AQI (US)
25AQI (US)
18th June 2026
26AQI (US)
26AQI (US)
19th June 2026
22AQI (US)
22AQI (US)
20th June 2026
21AQI (US)
21AQI (US)
21st June 2026
20AQI (US)
20AQI (US)
22nd June 2026
22AQI (US)
22AQI (US)
23rd June 2026
24AQI (US)
24AQI (US)
24th June 2026
25AQI (US)
25AQI (US)
25th June 2026
23AQI (US)
23AQI (US)
26th June 2026
16AQI (US)
16AQI (US)
27th June 2026
20AQI (US)
20AQI (US)
28th June 2026
24AQI (US)
24AQI (US)
29th June 2026
18AQI (US)
18AQI (US)
30th June 2026
18AQI (US)
18AQI (US)
1st July 2026
22AQI (US)
22AQI (US)
2nd July 2026
24AQI (US)
24AQI (US)
3rd July 2026
19AQI (US)
19AQI (US)
4th July 2026
20AQI (US)
20AQI (US)
5th July 2026
25AQI (US)
25AQI (US)
6th July 2026
39AQI (US)
39AQI (US)
7th July 2026
27AQI (US)
27AQI (US)
8th July 2026
26AQI (US)
26AQI (US)
9th July 2026
26AQI (US)
26AQI (US)
10th July 2026
28AQI (US)
28AQI (US)
11th July 2026
29AQI (US)
29AQI (US)
12th July 2026
27AQI (US)
27AQI (US)
13th July 2026
23AQI (US)
23AQI (US)
14th July 2026
23AQI (US)
23AQI (US)
15th July 2026
22AQI (US)
22AQI (US)
16th July 2026
21AQI (US)
21AQI (US)
17th July 2026
27AQI (US)
27AQI (US)
18th July 2026
31AQI (US)
31AQI (US)
19th July 2026
28AQI (US)
28AQI (US)
20th July 2026
29AQI (US)
29AQI (US)
21st July 2026
37AQI (US)
37AQI (US)
22nd July 2026
26AQI (US)
26AQI (US)
23rd July 2026
27AQI (US)
27AQI (US)
24th July 2026
26AQI (US)
26AQI (US)
25th July 2026
27AQI (US)
27AQI (US)
26th July 2026
27AQI (US)
27AQI (US)
27th July 2026
31AQI (US)
31AQI (US)
28th July 2026
30AQI (US)
30AQI (US)
29th July 2026
29AQI (US)
29AQI (US)
30th July 2026
28AQI (US)
28AQI (US)
31st July 2026
29AQI (US)
29AQI (US)
1st August 2026
28AQI (US)
28AQI (US)
2nd August 2026
28AQI (US)
28AQI (US)
3rd August 2026
28AQI (US)
28AQI (US)
4th August 2026
33AQI (US)
33AQI (US)
5th August 2026
28AQI (US)
28AQI (US)
6th August 2026
29AQI (US)
29AQI (US)
7th August 2026
28AQI (US)
28AQI (US)
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
36AQI (US)
35AQI (US)
31AQI (US)
25AQI (US)
31AQI (US)
22AQI (US)
27AQI (US)
29AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202629AQI (US)
26
5
27
1
30
1
28
30
30
31
7
209
7
Highest AQI (US) recorded in
January36AQI (US)
Lowest AQI (US) recorded in
June22AQI (US)
202538AQI (US)
23
8
26
2
31
30
31
30
30
1
20
11
29
1
12
16
3
21
9
19
12
302
60
3
Highest AQI (US) recorded in
October57AQI (US)
Lowest AQI (US) recorded in
April26AQI (US)
202427AQI (US)
30
25
1
23
1
30
31
30
31
30
28
30
1
25
5
27
4
340
12
Highest AQI (US) recorded in
December42AQI (US)
Lowest AQI (US) recorded in
May20AQI (US)
202337AQI (US)
19
11
6
6
1
14
5
26
29
1
1
29
1
31
30
1
30
20
8
20
6
1
15
15
1
269
54
4
Highest AQI (US) recorded in
February59AQI (US)
Lowest AQI (US) recorded in
September28AQI (US)
202240AQI (US)
14
13
1
1
11
11
19
10
2
28
2
23
8
29
1
20
3
1
23
4
26
4
1
23
7
24
1
241
64
4
1
Highest AQI (US) recorded in
January57AQI (US)
Lowest AQI (US) recorded in
August26AQI (US)
202142AQI (US)
11
11
5
2
1
14
6
1
12
16
3
14
8
29
2
22
2
31
31
27
1
16
10
12
7
19
10
1
238
73
10
2
1
Highest AQI (US) recorded in
January83AQI (US)
Lowest AQI (US) recorded in
August21AQI (US)
202030AQI (US)
7
4
19
2
18
30
26
4
27
20
2
31
29
1
22
4
1
229
17
1
Highest AQI (US) recorded in
March49AQI (US)
Lowest AQI (US) recorded in
August21AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2021(Avg.)
42AQI (US)Least Polluted Year Recorded
2024(Avg.)
27AQI (US)Estarreja's annual 2026 AQI (US) (29) shows an average percentage change of -16.6% (improved AQI (US)) compared to previous years: 2020 (30), 2021 (42), 2022 (40), 2023 (37), 2024 (27), 2025 (38).
