Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Cacem, Lisboa, 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+

July Air Quality Analysis

Cacem, Lisboa, Portugal

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
22nd Jul 2022
76AQI
Lowest AQI recorded on
6th Jul 2023
15AQI

Same Day Analysis (30th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 28 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Day & Night AQI Trend: 30th Jul - 31st Jul 2026

Cacem, Lisboa, Portugal

AQI
Day
Night
.

6 AM30th Jul 2026

9 PM

5 AM31st Jul 2026

Day time
Avg. Highest Time
11AM30th Jul

36AQI

Avg. Lowest Time
8PM30th Jul

25AQI

Night time
Avg. Highest Time
3AM31st Jul

27AQI

Avg. Lowest Time
5AM31st Jul

25AQI

In the last 24 hours,

Cacem's AQI reached its highest point of 36 at 11 AM during the Day, while the lowest point, 25, was recorded at 5 AM during the Night between 30th Jul and 31st Jul 2026.

Day & Night AQI Trend : Jul 2026

Cacem, Lisboa, Portugal

Jul
02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st
Day
Night
2nd Jul 2026246 AMAQI
2nd Jul 2026257 AMAQI
2nd Jul 2026238 AMAQI
2nd Jul 2026269 AMAQI
2nd Jul 20262610 AMAQI
2nd Jul 20262611 AMAQI
2nd Jul 20262612 PMAQI
2nd Jul 2026271 PMAQI
2nd Jul 2026262 PMAQI
2nd Jul 2026283 PMAQI
2nd Jul 2026264 PMAQI
2nd Jul 2026265 PMAQI
2nd Jul 2026266 PMAQI
2nd Jul 2026267 PMAQI
2nd Jul 2026268 PMAQI
2nd Jul 2026289 PMAQI
2nd Jul 20262710 PMAQI
2nd Jul 20262811 PMAQI
3rd Jul 20262812 AMAQI
3rd Jul 2026241 AMAQI
3rd Jul 2026272 AMAQI
3rd Jul 2026263 AMAQI
3rd Jul 2026264 AMAQI
3rd Jul 2026245 AMAQI

27°C22/32°C

3rd Jul 2026226 AMAQI
3rd Jul 2026257 AMAQI
3rd Jul 2026268 AMAQI
3rd Jul 2026179 AMAQI
3rd Jul 20263610 AMAQI
3rd Jul 20263111 AMAQI
3rd Jul 20262812 PMAQI
3rd Jul 2026261 PMAQI
3rd Jul 2026272 PMAQI
3rd Jul 2026283 PMAQI
3rd Jul 2026304 PMAQI
3rd Jul 2026285 PMAQI
3rd Jul 2026306 PMAQI
3rd Jul 2026287 PMAQI
3rd Jul 2026248 PMAQI
3rd Jul 2026289 PMAQI
3rd Jul 20262610 PMAQI
3rd Jul 20262611 PMAQI
4th Jul 20262512 AMAQI
4th Jul 2026261 AMAQI
4th Jul 2026242 AMAQI
4th Jul 2026253 AMAQI
4th Jul 2026264 AMAQI
4th Jul 2026235 AMAQI

27°C24/29°C

4th Jul 2026256 AMAQI
4th Jul 2026307 AMAQI
4th Jul 2026268 AMAQI
4th Jul 2026269 AMAQI
4th Jul 20262610 AMAQI
4th Jul 20262411 AMAQI
4th Jul 20262612 PMAQI
4th Jul 2026261 PMAQI
4th Jul 2026242 PMAQI
4th Jul 2026253 PMAQI
4th Jul 2026274 PMAQI
4th Jul 2026305 PMAQI
4th Jul 2026246 PMAQI
4th Jul 2026247 PMAQI
4th Jul 2026248 PMAQI
4th Jul 2026239 PMAQI
4th Jul 20262410 PMAQI
4th Jul 20262411 PMAQI
5th Jul 20262212 AMAQI
5th Jul 2026201 AMAQI
5th Jul 2026222 AMAQI
5th Jul 2026203 AMAQI
5th Jul 2026204 AMAQI
5th Jul 2026205 AMAQI

26°C23/30°C

5th Jul 2026226 AMAQI
5th Jul 2026287 AMAQI
5th Jul 2026248 AMAQI
5th Jul 2026269 AMAQI
5th Jul 20262410 AMAQI
5th Jul 20262211 AMAQI
5th Jul 20262212 PMAQI
5th Jul 2026261 PMAQI
5th Jul 2026222 PMAQI
5th Jul 2026263 PMAQI
5th Jul 2026284 PMAQI
5th Jul 2026285 PMAQI
5th Jul 2026286 PMAQI
5th Jul 2026257 PMAQI
5th Jul 2026248 PMAQI
5th Jul 2026259 PMAQI
5th Jul 20262610 PMAQI
5th Jul 20262411 PMAQI
6th Jul 20262412 AMAQI
6th Jul 2026221 AMAQI
6th Jul 2026222 AMAQI
6th Jul 2026223 AMAQI
6th Jul 2026214 AMAQI
6th Jul 2026205 AMAQI

26°C24/29°C

6th Jul 2026226 AMAQI
6th Jul 2026257 AMAQI
6th Jul 2026258 AMAQI
6th Jul 2026209 AMAQI
6th Jul 20262010 AMAQI
6th Jul 20262111 AMAQI
6th Jul 20262812 PMAQI
6th Jul 2026261 PMAQI
6th Jul 2026292 PMAQI
6th Jul 2026263 PMAQI
6th Jul 2026304 PMAQI
6th Jul 2026305 PMAQI
6th Jul 2026306 PMAQI
6th Jul 2026287 PMAQI
6th Jul 2026288 PMAQI
6th Jul 2026309 PMAQI
6th Jul 20262810 PMAQI
6th Jul 20262811 PMAQI
7th Jul 20263012 AMAQI
7th Jul 2026261 AMAQI
7th Jul 2026262 AMAQI
7th Jul 2026263 AMAQI
7th Jul 2026224 AMAQI
7th Jul 2026225 AMAQI

24°C20/27°C

7th Jul 2026266 AMAQI
7th Jul 2026297 AMAQI
7th Jul 2026288 AMAQI
7th Jul 2026349 AMAQI
7th Jul 20264110 AMAQI
7th Jul 20262811 AMAQI
7th Jul 20262612 PMAQI
7th Jul 2026261 PMAQI
7th Jul 2026262 PMAQI
7th Jul 2026263 PMAQI
7th Jul 2026324 PMAQI
7th Jul 2026305 PMAQI
7th Jul 2026306 PMAQI
7th Jul 2026297 PMAQI
7th Jul 2026308 PMAQI
7th Jul 2026309 PMAQI
7th Jul 20262810 PMAQI
7th Jul 20263011 PMAQI
8th Jul 20263012 AMAQI
8th Jul 2026261 AMAQI
8th Jul 2026282 AMAQI
8th Jul 2026243 AMAQI
8th Jul 2026264 AMAQI
8th Jul 2026245 AMAQI

21°C18/24°C

8th Jul 2026246 AMAQI
8th Jul 2026267 AMAQI
8th Jul 2026268 AMAQI
8th Jul 2026269 AMAQI
8th Jul 20262410 AMAQI
8th Jul 20262011 AMAQI
8th Jul 20262112 PMAQI
8th Jul 2026221 PMAQI
8th Jul 2026222 PMAQI
8th Jul 2026263 PMAQI
8th Jul 2026284 PMAQI
8th Jul 2026275 PMAQI
8th Jul 2026286 PMAQI
8th Jul 2026267 PMAQI
8th Jul 2026268 PMAQI
8th Jul 2026289 PMAQI
8th Jul 20262910 PMAQI
8th Jul 20263011 PMAQI
9th Jul 20262412 AMAQI
9th Jul 2026231 AMAQI
9th Jul 2026252 AMAQI
9th Jul 2026243 AMAQI
9th Jul 2026204 AMAQI
9th Jul 2026225 AMAQI

21°C18/26°C

9th Jul 2026246 AMAQI
9th Jul 2026257 AMAQI
9th Jul 2026248 AMAQI
9th Jul 2026249 AMAQI
9th Jul 20262710 AMAQI
9th Jul 20262211 AMAQI
9th Jul 20262512 PMAQI
9th Jul 2026251 PMAQI
9th Jul 2026242 PMAQI
9th Jul 2026283 PMAQI
9th Jul 2026304 PMAQI
9th Jul 2026295 PMAQI
9th Jul 2026266 PMAQI
9th Jul 2026267 PMAQI
9th Jul 2026268 PMAQI
9th Jul 2026269 PMAQI
9th Jul 20262610 PMAQI
9th Jul 20262811 PMAQI
10th Jul 20262712 AMAQI
10th Jul 2026261 AMAQI
10th Jul 2026282 AMAQI
10th Jul 2026253 AMAQI
10th Jul 2026264 AMAQI
10th Jul 2026245 AMAQI

19°C17/22°C

10th Jul 2026226 AMAQI
10th Jul 2026227 AMAQI
10th Jul 2026248 AMAQI
10th Jul 2026289 AMAQI
10th Jul 20263010 AMAQI
10th Jul 20263011 AMAQI
10th Jul 20263012 PMAQI
10th Jul 2026301 PMAQI
10th Jul 2026322 PMAQI
10th Jul 2026303 PMAQI
10th Jul 2026304 PMAQI
10th Jul 2026325 PMAQI
10th Jul 2026326 PMAQI
10th Jul 2026317 PMAQI
10th Jul 2026268 PMAQI
10th Jul 2026319 PMAQI
10th Jul 20263210 PMAQI
10th Jul 20263011 PMAQI
11th Jul 20263012 AMAQI
11th Jul 2026341 AMAQI
11th Jul 2026322 AMAQI
11th Jul 2026283 AMAQI
11th Jul 2026264 AMAQI
11th Jul 2026245 AMAQI

19°C17/22°C

11th Jul 2026236 AMAQI
11th Jul 2026247 AMAQI
11th Jul 2026258 AMAQI
11th Jul 2026299 AMAQI
11th Jul 20262810 AMAQI
11th Jul 20262811 AMAQI
11th Jul 20262612 PMAQI
11th Jul 2026301 PMAQI
11th Jul 2026302 PMAQI
11th Jul 2026303 PMAQI
11th Jul 2026304 PMAQI
11th Jul 2026285 PMAQI
11th Jul 2026296 PMAQI
11th Jul 2026307 PMAQI
11th Jul 2026278 PMAQI
11th Jul 2026289 PMAQI
11th Jul 20262810 PMAQI
11th Jul 20262811 PMAQI
12th Jul 20262712 AMAQI
12th Jul 2026301 AMAQI
12th Jul 2026282 AMAQI
12th Jul 2026263 AMAQI
12th Jul 2026264 AMAQI
12th Jul 2026215 AMAQI

19°C17/21°C

12th Jul 2026226 AMAQI
12th Jul 2026217 AMAQI
12th Jul 2026248 AMAQI
12th Jul 2026289 AMAQI
12th Jul 20262610 AMAQI
12th Jul 20262811 AMAQI
12th Jul 20262812 PMAQI
12th Jul 2026311 PMAQI
12th Jul 2026292 PMAQI
12th Jul 2026273 PMAQI
12th Jul 2026284 PMAQI
12th Jul 2026325 PMAQI
12th Jul 2026286 PMAQI
12th Jul 2026297 PMAQI
12th Jul 2026268 PMAQI
12th Jul 2026289 PMAQI
12th Jul 20262610 PMAQI
12th Jul 20262811 PMAQI
13th Jul 20262612 AMAQI
13th Jul 2026261 AMAQI
13th Jul 2026262 AMAQI
13th Jul 2026253 AMAQI
13th Jul 2026244 AMAQI
13th Jul 2026245 AMAQI

19°C17/22°C

13th Jul 2026226 AMAQI
13th Jul 2026227 AMAQI
13th Jul 2026258 AMAQI
13th Jul 2026279 AMAQI
13th Jul 20263010 AMAQI
13th Jul 20263011 AMAQI
13th Jul 20263012 PMAQI
13th Jul 2026221 PMAQI
13th Jul 2026282 PMAQI
13th Jul 2026303 PMAQI
13th Jul 2026334 PMAQI
13th Jul 2026305 PMAQI
13th Jul 2026326 PMAQI
13th Jul 2026307 PMAQI
13th Jul 2026248 PMAQI
13th Jul 2026289 PMAQI
13th Jul 20262810 PMAQI
13th Jul 20262911 PMAQI
14th Jul 20262612 AMAQI
14th Jul 2026321 AMAQI
14th Jul 2026322 AMAQI
14th Jul 2026273 AMAQI
14th Jul 2026224 AMAQI
14th Jul 2026195 AMAQI

20°C18/22°C

14th Jul 2026206 AMAQI
14th Jul 2026207 AMAQI
14th Jul 2026248 AMAQI
14th Jul 2026289 AMAQI
14th Jul 20262510 AMAQI
14th Jul 20262611 AMAQI
14th Jul 20263012 PMAQI
14th Jul 2026281 PMAQI
14th Jul 2026192 PMAQI
14th Jul 2026303 PMAQI
14th Jul 2026294 PMAQI
14th Jul 2026295 PMAQI
14th Jul 2026296 PMAQI
14th Jul 2026287 PMAQI
14th Jul 2026248 PMAQI
14th Jul 2026289 PMAQI
14th Jul 20262410 PMAQI
14th Jul 20262911 PMAQI
15th Jul 20261712 AMAQI
15th Jul 2026261 AMAQI
15th Jul 2026282 AMAQI
15th Jul 2026243 AMAQI
15th Jul 2026224 AMAQI
15th Jul 2026205 AMAQI

20°C18/23°C

15th Jul 2026186 AMAQI
15th Jul 2026187 AMAQI
15th Jul 2026208 AMAQI
15th Jul 2026229 AMAQI
15th Jul 20262210 AMAQI
15th Jul 20262011 AMAQI
15th Jul 20262312 PMAQI
15th Jul 2026221 PMAQI
15th Jul 2026242 PMAQI
15th Jul 2026233 PMAQI
15th Jul 2026244 PMAQI
15th Jul 2026255 PMAQI
15th Jul 2026246 PMAQI
15th Jul 2026267 PMAQI
15th Jul 2026248 PMAQI
15th Jul 2026249 PMAQI
15th Jul 20262710 PMAQI
15th Jul 20262411 PMAQI
16th Jul 20262512 AMAQI
16th Jul 2026261 AMAQI
16th Jul 2026262 AMAQI
16th Jul 2026263 AMAQI
16th Jul 2026244 AMAQI
16th Jul 2026225 AMAQI

20°C19/23°C

16th Jul 2026226 AMAQI
16th Jul 2026167 AMAQI
16th Jul 202668 AMAQI
16th Jul 2026229 AMAQI
16th Jul 20261910 AMAQI
16th Jul 20261811 AMAQI
16th Jul 20261212 PMAQI
16th Jul 2026191 PMAQI
16th Jul 2026242 PMAQI
16th Jul 2026253 PMAQI
16th Jul 2026284 PMAQI
16th Jul 2026265 PMAQI
16th Jul 2026266 PMAQI
16th Jul 2026267 PMAQI
16th Jul 2026278 PMAQI
16th Jul 2026259 PMAQI
16th Jul 20262610 PMAQI
16th Jul 20262711 PMAQI
17th Jul 20262212 AMAQI
17th Jul 2026241 AMAQI
17th Jul 2026282 AMAQI
17th Jul 2026243 AMAQI
17th Jul 2026164 AMAQI
17th Jul 2026165 AMAQI

20°C18/23°C

17th Jul 2026156 AMAQI
17th Jul 2026217 AMAQI
17th Jul 2026298 AMAQI
17th Jul 2026299 AMAQI
17th Jul 20262910 AMAQI
17th Jul 20262911 AMAQI
17th Jul 20263412 PMAQI
17th Jul 2026291 PMAQI
17th Jul 2026342 PMAQI
17th Jul 2026293 PMAQI
17th Jul 2026344 PMAQI
17th Jul 2026345 PMAQI
17th Jul 2026386 PMAQI
17th Jul 2026387 PMAQI
17th Jul 2026388 PMAQI
17th Jul 2026319 PMAQI
17th Jul 20263810 PMAQI
17th Jul 20263811 PMAQI
18th Jul 20263812 AMAQI
18th Jul 2026341 AMAQI
18th Jul 2026342 AMAQI
18th Jul 2026383 AMAQI
18th Jul 2026334 AMAQI
18th Jul 2026335 AMAQI

20°C18/23°C

18th Jul 2026386 AMAQI
18th Jul 2026337 AMAQI
18th Jul 2026338 AMAQI
18th Jul 2026369 AMAQI
18th Jul 20263610 AMAQI
18th Jul 20263311 AMAQI
18th Jul 20263312 PMAQI
18th Jul 2026331 PMAQI
18th Jul 2026332 PMAQI
18th Jul 2026313 PMAQI
18th Jul 2026334 PMAQI
18th Jul 2026335 PMAQI
18th Jul 2026336 PMAQI
18th Jul 2026337 PMAQI
18th Jul 2026338 PMAQI
18th Jul 2026409 PMAQI
18th Jul 20262710 PMAQI
18th Jul 20262911 PMAQI
19th Jul 20263112 AMAQI
19th Jul 2026251 AMAQI
19th Jul 2026292 AMAQI
19th Jul 2026333 AMAQI
19th Jul 2026274 AMAQI
19th Jul 2026215 AMAQI

20°C18/22°C

19th Jul 2026216 AMAQI
19th Jul 2026257 AMAQI
19th Jul 2026258 AMAQI
19th Jul 2026259 AMAQI
19th Jul 20262510 AMAQI
19th Jul 20262311 AMAQI
19th Jul 20262112 PMAQI
19th Jul 2026211 PMAQI
19th Jul 2026212 PMAQI
19th Jul 2026213 PMAQI
19th Jul 2026254 PMAQI
19th Jul 2026255 PMAQI
19th Jul 2026256 PMAQI
19th Jul 2026257 PMAQI
19th Jul 2026258 PMAQI
19th Jul 2026259 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20262511 PMAQI
20th Jul 20262512 AMAQI
20th Jul 2026251 AMAQI
20th Jul 2026252 AMAQI
20th Jul 2026253 AMAQI
20th Jul 2026254 AMAQI
20th Jul 2026275 AMAQI

20°C18/22°C

20th Jul 2026296 AMAQI
20th Jul 2026317 AMAQI
20th Jul 2026278 AMAQI
20th Jul 2026259 AMAQI
20th Jul 20262510 AMAQI
20th Jul 20262711 AMAQI
20th Jul 20262512 PMAQI
20th Jul 2026251 PMAQI
20th Jul 2026272 PMAQI
20th Jul 2026293 PMAQI
20th Jul 2026294 PMAQI
20th Jul 2026295 PMAQI
20th Jul 2026296 PMAQI
20th Jul 2026297 PMAQI
20th Jul 2026258 PMAQI
20th Jul 2026259 PMAQI
20th Jul 20262110 PMAQI
20th Jul 20262111 PMAQI
21st Jul 20262112 AMAQI
21st Jul 2026211 AMAQI
21st Jul 2026212 AMAQI
21st Jul 2026213 AMAQI
21st Jul 2026215 AMAQI

20°C19/23°C

21st Jul 2026216 AMAQI
21st Jul 2026217 AMAQI
21st Jul 2026248 AMAQI
21st Jul 2026259 AMAQI
21st Jul 20262510 AMAQI
21st Jul 20263211 AMAQI
21st Jul 20262512 PMAQI
21st Jul 2026251 PMAQI
21st Jul 2026232 PMAQI
21st Jul 2026253 PMAQI
21st Jul 2026254 PMAQI
21st Jul 2026235 PMAQI
21st Jul 2026236 PMAQI
21st Jul 2026257 PMAQI
21st Jul 2026238 PMAQI
21st Jul 2026229 PMAQI
21st Jul 20262410 PMAQI
21st Jul 20262311 PMAQI
22nd Jul 20262212 AMAQI
22nd Jul 2026221 AMAQI
22nd Jul 2026232 AMAQI
22nd Jul 2026233 AMAQI
22nd Jul 2026214 AMAQI
22nd Jul 2026235 AMAQI

21°C18/23°C

22nd Jul 2026216 AMAQI
22nd Jul 2026217 AMAQI
22nd Jul 2026218 AMAQI
22nd Jul 2026269 AMAQI
22nd Jul 20262910 AMAQI
22nd Jul 20262911 AMAQI
22nd Jul 20262912 PMAQI
22nd Jul 2026291 PMAQI
22nd Jul 2026292 PMAQI
22nd Jul 2026333 PMAQI
22nd Jul 2026334 PMAQI
22nd Jul 2026335 PMAQI
22nd Jul 2026336 PMAQI
22nd Jul 2026337 PMAQI
22nd Jul 2026318 PMAQI
22nd Jul 2026299 PMAQI
22nd Jul 20263110 PMAQI
22nd Jul 20263311 PMAQI
23rd Jul 20263312 AMAQI
23rd Jul 2026331 AMAQI
23rd Jul 2026332 AMAQI
23rd Jul 2026333 AMAQI
23rd Jul 2026364 AMAQI
23rd Jul 2026385 AMAQI

21°C19/23°C

23rd Jul 2026386 AMAQI
23rd Jul 2026337 AMAQI
23rd Jul 2026338 AMAQI
23rd Jul 2026369 AMAQI
23rd Jul 20263010 AMAQI
23rd Jul 20263811 AMAQI
23rd Jul 20263812 PMAQI
23rd Jul 2026361 PMAQI
23rd Jul 2026332 PMAQI
23rd Jul 2026333 PMAQI
23rd Jul 2026334 PMAQI
23rd Jul 2026335 PMAQI
23rd Jul 2026336 PMAQI
23rd Jul 2026337 PMAQI
23rd Jul 2026338 PMAQI
23rd Jul 2026339 PMAQI
23rd Jul 20263310 PMAQI
23rd Jul 20263311 PMAQI
24th Jul 20263312 AMAQI
24th Jul 2026291 AMAQI
24th Jul 2026292 AMAQI
24th Jul 2026293 AMAQI
24th Jul 2026254 AMAQI
24th Jul 2026265 AMAQI

21°C18/23°C

24th Jul 2026266 AMAQI
24th Jul 2026257 AMAQI
24th Jul 2026268 AMAQI
24th Jul 2026249 AMAQI
24th Jul 20262410 AMAQI
24th Jul 20262311 AMAQI
24th Jul 20262412 PMAQI
24th Jul 2026241 PMAQI
24th Jul 2026242 PMAQI
24th Jul 2026243 PMAQI
24th Jul 2026244 PMAQI
24th Jul 2026245 PMAQI
24th Jul 2026246 PMAQI
24th Jul 2026247 PMAQI
24th Jul 2026248 PMAQI
24th Jul 2026219 PMAQI
24th Jul 20262310 PMAQI
24th Jul 20262211 PMAQI
25th Jul 20262112 AMAQI
25th Jul 2026231 AMAQI
25th Jul 2026242 AMAQI
25th Jul 2026223 AMAQI
25th Jul 2026224 AMAQI
25th Jul 2026225 AMAQI

20°C19/22°C

25th Jul 2026236 AMAQI
25th Jul 2026237 AMAQI
25th Jul 2026258 AMAQI
25th Jul 2026259 AMAQI
25th Jul 20262510 AMAQI
25th Jul 20262511 AMAQI
25th Jul 20262512 PMAQI
25th Jul 2026271 PMAQI
25th Jul 2026252 PMAQI
25th Jul 2026253 PMAQI
25th Jul 2026254 PMAQI
25th Jul 2026255 PMAQI
25th Jul 2026256 PMAQI
25th Jul 2026257 PMAQI
25th Jul 2026258 PMAQI
25th Jul 2026259 PMAQI
25th Jul 20262510 PMAQI
25th Jul 20262711 PMAQI
26th Jul 20262912 AMAQI
26th Jul 2026291 AMAQI
26th Jul 2026292 AMAQI
26th Jul 2026293 AMAQI
26th Jul 2026294 AMAQI
26th Jul 2026295 AMAQI

20°C19/22°C

26th Jul 2026296 AMAQI
26th Jul 2026297 AMAQI
26th Jul 2026298 AMAQI
26th Jul 2026299 AMAQI
26th Jul 20262910 AMAQI
26th Jul 20262911 AMAQI
26th Jul 20262912 PMAQI
26th Jul 2026291 PMAQI
26th Jul 2026292 PMAQI
26th Jul 2026293 PMAQI
26th Jul 2026254 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026256 PMAQI
26th Jul 2026257 PMAQI
26th Jul 2026258 PMAQI
26th Jul 2026259 PMAQI
26th Jul 20262510 PMAQI
26th Jul 20262511 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026251 AMAQI
27th Jul 2026252 AMAQI
27th Jul 2026253 AMAQI
27th Jul 2026254 AMAQI
27th Jul 2026235 AMAQI

20°C18/24°C

27th Jul 2026216 AMAQI
27th Jul 2026217 AMAQI
27th Jul 2026218 AMAQI
27th Jul 2026219 AMAQI
27th Jul 20262110 AMAQI
27th Jul 20262111 AMAQI
27th Jul 20262112 PMAQI
27th Jul 2026211 PMAQI
27th Jul 2026252 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026254 PMAQI
27th Jul 2026255 PMAQI
27th Jul 2026346 PMAQI
27th Jul 2026447 PMAQI
27th Jul 2026368 PMAQI
27th Jul 2026299 PMAQI
27th Jul 20262910 PMAQI
27th Jul 20262911 PMAQI
28th Jul 20263312 AMAQI
28th Jul 2026331 AMAQI
28th Jul 2026332 AMAQI
28th Jul 2026333 AMAQI
28th Jul 2026334 AMAQI
28th Jul 2026365 AMAQI

23°C19/27°C

28th Jul 2026386 AMAQI
28th Jul 2026387 AMAQI
28th Jul 2026388 AMAQI
28th Jul 2026389 AMAQI
28th Jul 20263810 AMAQI
28th Jul 20263811 AMAQI
28th Jul 20263012 PMAQI
28th Jul 2026301 PMAQI
28th Jul 2026382 PMAQI
28th Jul 2026383 PMAQI
28th Jul 2026304 PMAQI
28th Jul 2026215 PMAQI
28th Jul 2026216 PMAQI
28th Jul 2026307 PMAQI
28th Jul 2026218 PMAQI
28th Jul 2026219 PMAQI
28th Jul 20262210 PMAQI
28th Jul 20262411 PMAQI
29th Jul 20262312 AMAQI
29th Jul 2026231 AMAQI
29th Jul 2026212 AMAQI
29th Jul 2026213 AMAQI
29th Jul 2026214 AMAQI
29th Jul 2026215 AMAQI

23°C19/26°C

29th Jul 2026216 AMAQI
29th Jul 2026217 AMAQI
29th Jul 2026218 AMAQI
29th Jul 2026239 AMAQI
29th Jul 20262110 AMAQI
29th Jul 20262311 AMAQI
29th Jul 20262112 PMAQI
29th Jul 2026231 PMAQI
29th Jul 2026212 PMAQI
29th Jul 2026213 PMAQI
29th Jul 2026214 PMAQI
29th Jul 2026215 PMAQI
29th Jul 2026216 PMAQI
29th Jul 2026217 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026259 PMAQI
29th Jul 20262910 PMAQI
29th Jul 20262911 PMAQI
30th Jul 20262912 AMAQI
30th Jul 2026291 AMAQI
30th Jul 2026292 AMAQI
30th Jul 2026253 AMAQI
30th Jul 2026384 AMAQI
30th Jul 2026235 AMAQI

21°C19/24°C

30th Jul 2026276 AMAQI
30th Jul 2026277 AMAQI
30th Jul 2026258 AMAQI
30th Jul 2026339 AMAQI
30th Jul 20263310 AMAQI
30th Jul 20263611 AMAQI
30th Jul 20262912 PMAQI
30th Jul 2026271 PMAQI
30th Jul 2026292 PMAQI
30th Jul 2026293 PMAQI
30th Jul 2026274 PMAQI
30th Jul 2026295 PMAQI
30th Jul 2026256 PMAQI
30th Jul 2026257 PMAQI
30th Jul 2026258 PMAQI
30th Jul 2026259 PMAQI
30th Jul 20262510 PMAQI
30th Jul 20262511 PMAQI
31st Jul 20262512 AMAQI
31st Jul 2026251 AMAQI
31st Jul 2026252 AMAQI
31st Jul 2026273 AMAQI
31st Jul 2026254 AMAQI
31st Jul 2026255 AMAQI

20°C18/23°C

31st Jul 2026256 AMAQI
6 AM
31st Jul 2026257 AMAQI
31st Jul 2026258 AMAQI
31st Jul 2026259 AMAQI
31st Jul 20262110 AMAQI
31st Jul 20262911 AMAQI
31st Jul 20262912 PMAQI
31st Jul 2026291 PMAQI
1 PM
31st Jul 2026292 PMAQI
31st Jul 2026253 PMAQI
31st Jul 2026254 PMAQI
31st Jul 2026275 PMAQI
31st Jul 2026296 PMAQI
31st Jul 2026297 PMAQI
31st Jul 2026258 PMAQI
31st Jul 2026219 PMAQI
9 PM
31st Jul 20262910 PMAQI
31st Jul 20262911 PMAQI
1 AM
5 AM

21°C18/24°C

Day time
Avg. Highest Time
3 PM - 7 PM

28AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
6 AM

24AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 PM to 7 PM (Avg. 28), while the lowest AQI was between 6 AM to 6 AM (Avg. 24).
Night time
Avg. Highest Time
11 PM

28AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
5 AM

24AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 PM to 11 PM (Avg. 28), while the lowest AQI was between 5 AM to 5 AM (Avg. 24).

2026 Days Vs Air Quality

Cacem, Lisboa, Portugal

2026

95%

197

5%

11

Total number of days with different AQI categories in last 212 days in 2026 (153 days remaining)

Good
197 Days
Moderate
11 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 95%

Health Risk Level:

Very Low

In 2026, 95% of 212 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

Cacem, Lisboa, 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
46AQI (US)
2nd January 2026
22AQI (US)
3rd January 2026
19AQI (US)
4th January 2026
24AQI (US)
5th January 2026
21AQI (US)
6th January 2026
23AQI (US)
7th January 2026
26AQI (US)
8th January 2026
34AQI (US)
9th January 2026
20AQI (US)
10th January 2026
27AQI (US)
11th January 2026
36AQI (US)
12th January 2026
20AQI (US)
13th January 2026
12AQI (US)
14th January 2026
20AQI (US)
15th January 2026
24AQI (US)
16th January 2026
26AQI (US)
17th January 2026
24AQI (US)
18th January 2026
33AQI (US)
19th January 2026
29AQI (US)
20th January 2026
26AQI (US)
21st January 2026
27AQI (US)
22nd January 2026
36AQI (US)
23rd January 2026
51AQI (US)
24th January 2026
46AQI (US)
25th January 2026
53AQI (US)
26th January 2026
49AQI (US)
27th January 2026
40AQI (US)
28th January 2026
42AQI (US)
29th January 2026
48AQI (US)
30th January 2026
64AQI (US)
31st January 2026
48AQI (US)
1st February 2026
49AQI (US)
2nd February 2026
52AQI (US)
3rd February 2026
51AQI (US)
4th February 2026
46AQI (US)
5th February 2026
52AQI (US)
6th February 2026
47AQI (US)
7th February 2026
43AQI (US)
8th February 2026
47AQI (US)
9th February 2026
51AQI (US)
10th February 2026
31AQI (US)
11th February 2026
25AQI (US)
12th February 2026
44AQI (US)
13th February 2026
14AQI (US)
14th February 2026
37AQI (US)
15th February 2026
35AQI (US)
16th February 2026
29AQI (US)
17th February 2026
39AQI (US)
18th February 2026
37AQI (US)
19th February 2026
38AQI (US)
20th February 2026
31AQI (US)
21st February 2026
44AQI (US)
22nd February 2026
44AQI (US)
23rd February 2026
29AQI (US)
24th February 2026
63AQI (US)
25th February 2026
46AQI (US)
26th February 2026
52AQI (US)
27th February 2026
13AQI (US)
28th February 2026
12AQI (US)
1st March 2026
39AQI (US)
2nd March 2026
45AQI (US)
3rd March 2026
47AQI (US)
4th March 2026
55AQI (US)
5th March 2026
34AQI (US)
6th March 2026
15AQI (US)
7th March 2026
35AQI (US)
8th March 2026
34AQI (US)
9th March 2026
37AQI (US)
10th March 2026
30AQI (US)
11th March 2026
43AQI (US)
12th March 2026
42AQI (US)
13th March 2026
43AQI (US)
14th March 2026
34AQI (US)
15th March 2026
29AQI (US)
16th March 2026
38AQI (US)
17th March 2026
37AQI (US)
18th March 2026
29AQI (US)
19th March 2026
26AQI (US)
20th March 2026
33AQI (US)
21st March 2026
36AQI (US)
22nd March 2026
35AQI (US)
23rd March 2026
42AQI (US)
24th March 2026
36AQI (US)
25th March 2026
37AQI (US)
26th March 2026
24AQI (US)
27th March 2026
19AQI (US)
28th March 2026
26AQI (US)
29th March 2026
24AQI (US)
30th March 2026
22AQI (US)
31st March 2026
27AQI (US)
1st April 2026
29AQI (US)
2nd April 2026
29AQI (US)
3rd April 2026
27AQI (US)
4th April 2026
27AQI (US)
5th April 2026
42AQI (US)
6th April 2026
18AQI (US)
7th April 2026
24AQI (US)
8th April 2026
34AQI (US)
9th April 2026
30AQI (US)
10th April 2026
65AQI (US)
11th April 2026
17AQI (US)
12th April 2026
10AQI (US)
13th April 2026
26AQI (US)
14th April 2026
23AQI (US)
15th April 2026
29AQI (US)
16th April 2026
28AQI (US)
17th April 2026
18th April 2026
29AQI (US)
19th April 2026
43AQI (US)
20th April 2026
19AQI (US)
21st April 2026
25AQI (US)
22nd April 2026
23rd April 2026
22AQI (US)
24th April 2026
19AQI (US)
25th April 2026
24AQI (US)
26th April 2026
27AQI (US)
27th April 2026
29AQI (US)
28th April 2026
27AQI (US)
29th April 2026
22AQI (US)
30th April 2026
22AQI (US)
1st May 2026
26AQI (US)
2nd May 2026
20AQI (US)
3rd May 2026
18AQI (US)
4th May 2026
30AQI (US)
5th May 2026
37AQI (US)
6th May 2026
33AQI (US)
7th May 2026
28AQI (US)
8th May 2026
22AQI (US)
9th May 2026
10th May 2026
27AQI (US)
11th May 2026
25AQI (US)
12th May 2026
31AQI (US)
13th May 2026
28AQI (US)
14th May 2026
26AQI (US)
15th May 2026
34AQI (US)
16th May 2026
35AQI (US)
17th May 2026
36AQI (US)
18th May 2026
37AQI (US)
19th May 2026
37AQI (US)
20th May 2026
36AQI (US)
21st May 2026
38AQI (US)
22nd May 2026
43AQI (US)
23rd May 2026
40AQI (US)
24th May 2026
45AQI (US)
25th May 2026
37AQI (US)
26th May 2026
29AQI (US)
27th May 2026
25AQI (US)
28th May 2026
25AQI (US)
29th May 2026
24AQI (US)
30th May 2026
25AQI (US)
31st May 2026
25AQI (US)
1st June 2026
23AQI (US)
2nd June 2026
24AQI (US)
3rd June 2026
20AQI (US)
4th June 2026
19AQI (US)
5th June 2026
21AQI (US)
6th June 2026
22AQI (US)
7th June 2026
19AQI (US)
8th June 2026
22AQI (US)
9th June 2026
18AQI (US)
10th June 2026
23AQI (US)
11th June 2026
23AQI (US)
12th June 2026
24AQI (US)
13th June 2026
22AQI (US)
14th June 2026
22AQI (US)
15th June 2026
23AQI (US)
16th June 2026
24AQI (US)
17th June 2026
24AQI (US)
18th June 2026
24AQI (US)
19th June 2026
21AQI (US)
20th June 2026
18AQI (US)
21st June 2026
17AQI (US)
22nd June 2026
22AQI (US)
23rd June 2026
22AQI (US)
24th June 2026
22AQI (US)
25th June 2026
19AQI (US)
26th June 2026
19AQI (US)
27th June 2026
24AQI (US)
28th June 2026
21AQI (US)
29th June 2026
19AQI (US)
30th June 2026
22AQI (US)
1st July 2026
25AQI (US)
2nd July 2026
26AQI (US)
3rd July 2026
27AQI (US)
4th July 2026
25AQI (US)
5th July 2026
24AQI (US)
6th July 2026
25AQI (US)
7th July 2026
28AQI (US)
8th July 2026
26AQI (US)
9th July 2026
25AQI (US)
10th July 2026
28AQI (US)
11th July 2026
28AQI (US)
12th July 2026
27AQI (US)
13th July 2026
27AQI (US)
14th July 2026
26AQI (US)
15th July 2026
23AQI (US)
16th July 2026
23AQI (US)
17th July 2026
29AQI (US)
18th July 2026
34AQI (US)
19th July 2026
25AQI (US)
20th July 2026
26AQI (US)
21st July 2026
23AQI (US)
22nd July 2026
27AQI (US)
23rd July 2026
34AQI (US)
24th July 2026
25AQI (US)
25th July 2026
24AQI (US)
26th July 2026
28AQI (US)
27th July 2026
26AQI (US)
28th July 2026
31AQI (US)
29th July 2026
22AQI (US)
30th July 2026
28AQI (US)
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
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

33AQI (US)

39AQI (US)

34AQI (US)

27AQI (US)

31AQI (US)

21AQI (US)

27AQI (US)

No. of days

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

202630AQI (US)

28
3
22
6
30
1
27
1
30
30
30
197
11

Highest AQI (US) recorded in

February

39AQI (US)

Lowest AQI (US) recorded in

June

21AQI (US)

202533AQI (US)

31
28
31
30
31
27
3
30
1
26
5
29
1
18
13
29
1
24
7
334
31

Highest AQI (US) recorded in

October

43AQI (US)

Lowest AQI (US) recorded in

April

21AQI (US)

202439AQI (US)

18
13
21
5
18
3
27
3
29
2
28
2
31
30
23
4
31
26
4
28
3
310
39

Highest AQI (US) recorded in

January

48AQI (US)

Lowest AQI (US) recorded in

October

32AQI (US)

202337AQI (US)

18
6
10
2
18
1
26
29
1
25
2
31
28
3
30
24
6
25
4
19
12
283
37

Highest AQI (US) recorded in

December

48AQI (US)

Lowest AQI (US) recorded in

July

29AQI (US)

202239AQI (US)

23
7
15
8
20
9
1
1
28
21
10
28
2
15
9
1
27
26
5
25
26
5
255
55
1
1

Highest AQI (US) recorded in

March

51AQI (US)

Lowest AQI (US) recorded in

August

31AQI (US)

202134AQI (US)

30
26
31
29
31
23
4
30
1
29
2
28
2
27
4
12
7
26
5
322
25

Highest AQI (US) recorded in

November

43AQI (US)

Lowest AQI (US) recorded in

January

25AQI (US)

202027AQI (US)

13
21
17
1
27
28
1
27
20
1
31
28
27
239
3

Highest AQI (US) recorded in

May

37AQI (US)

Lowest AQI (US) recorded in

November

20AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2024(Avg.)
39AQI (US)
Least Polluted Year Recorded
2020(Avg.)
27AQI (US)

Cacem's annual 2026 AQI (US) (30) shows an average percentage change of -12.4% (improved AQI (US)) compared to previous years: 2020 (27), 2021 (34), 2022 (39), 2023 (37), 2024 (39), 2025 (33).