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+
September Air Quality Analysis
Cacem, Lisboa, Portugal
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
22nd Sep 2024
74AQILowest AQI recorded on
1st Sep 2025
20AQISame Day Analysis (19th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 48 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 20th Sep - 21st Sep 2025
Cacem, Lisboa, Portugal
AQI
Day
Night
.
7 AM20th Sep 2025
8 PM
6 AM21st Sep 2025
Day time
Avg. Highest Time
7AM20th Sep
56AQI
Avg. Lowest Time
6PM20th Sep
44AQI
Night time
Avg. Highest Time
12AM21st Sep
52AQI
Avg. Lowest Time
6AM21st Sep
23AQI
In the last 24 hours,
Cacem's AQI reached its highest point of 56 at 7 AM during the Day, while the lowest point, 23, was recorded at 6 AM during the Night between 20th Sep and 21st Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Cacem, Lisboa, Portugal
AugSep
22nd - 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 - 20th20th - 21st21st
Day
Night
22nd Aug 2025307 AMAQI
22nd Aug 2025248 AMAQI
22nd Aug 2025239 AMAQI
22nd Aug 20252410 AMAQI
22nd Aug 20252711 AMAQI
22nd Aug 20252612 PMAQI
22nd Aug 2025271 PMAQI
22nd Aug 2025292 PMAQI
22nd Aug 2025263 PMAQI
22nd Aug 2025294 PMAQI
22nd Aug 2025285 PMAQI
22nd Aug 2025306 PMAQI
22nd Aug 2025287 PMAQI
22nd Aug 2025278 PMAQI
22nd Aug 2025279 PMAQI
22nd Aug 20252610 PMAQI
22nd Aug 20252611 PMAQI
23rd Aug 20252712 AMAQI
23rd Aug 2025281 AMAQI
23rd Aug 2025362 AMAQI
23rd Aug 2025393 AMAQI
23rd Aug 2025404 AMAQI
23rd Aug 2025415 AMAQI
23rd Aug 2025416 AMAQI
21°C18/26°C
23rd Aug 2025457 AMAQI
23rd Aug 2025458 AMAQI
23rd Aug 2025469 AMAQI
23rd Aug 20254610 AMAQI
23rd Aug 20254511 AMAQI
23rd Aug 20254312 PMAQI
23rd Aug 2025401 PMAQI
23rd Aug 2025422 PMAQI
23rd Aug 2025433 PMAQI
23rd Aug 2025424 PMAQI
23rd Aug 2025425 PMAQI
23rd Aug 2025416 PMAQI
23rd Aug 2025407 PMAQI
23rd Aug 2025408 PMAQI
23rd Aug 2025409 PMAQI
23rd Aug 20254210 PMAQI
23rd Aug 20254111 PMAQI
24th Aug 20254012 AMAQI
24th Aug 2025421 AMAQI
24th Aug 2025402 AMAQI
24th Aug 2025353 AMAQI
24th Aug 2025364 AMAQI
24th Aug 2025365 AMAQI
24th Aug 2025386 AMAQI
21°C18/25°C
24th Aug 2025367 AMAQI
24th Aug 2025368 AMAQI
24th Aug 2025389 AMAQI
24th Aug 20253410 AMAQI
24th Aug 20253411 AMAQI
24th Aug 20253812 PMAQI
24th Aug 2025381 PMAQI
24th Aug 2025392 PMAQI
24th Aug 2025383 PMAQI
24th Aug 2025384 PMAQI
24th Aug 2025365 PMAQI
24th Aug 2025406 PMAQI
24th Aug 2025377 PMAQI
24th Aug 2025388 PMAQI
24th Aug 2025409 PMAQI
24th Aug 20253810 PMAQI
24th Aug 20253811 PMAQI
25th Aug 20254112 AMAQI
25th Aug 2025401 AMAQI
25th Aug 2025362 AMAQI
25th Aug 2025323 AMAQI
25th Aug 2025304 AMAQI
25th Aug 2025325 AMAQI
25th Aug 2025296 AMAQI
20°C18/24°C
25th Aug 2025297 AMAQI
25th Aug 2025298 AMAQI
25th Aug 2025269 AMAQI
25th Aug 20252610 AMAQI
25th Aug 20252411 AMAQI
25th Aug 20252912 PMAQI
25th Aug 2025321 PMAQI
25th Aug 2025292 PMAQI
25th Aug 2025283 PMAQI
25th Aug 2025294 PMAQI
25th Aug 2025355 PMAQI
25th Aug 2025306 PMAQI
25th Aug 2025277 PMAQI
25th Aug 2025318 PMAQI
25th Aug 2025319 PMAQI
25th Aug 20253110 PMAQI
25th Aug 20253111 PMAQI
26th Aug 20253212 AMAQI
26th Aug 2025311 AMAQI
26th Aug 2025262 AMAQI
26th Aug 2025233 AMAQI
26th Aug 2025244 AMAQI
26th Aug 2025255 AMAQI
26th Aug 2025226 AMAQI
20°C18/25°C
26th Aug 2025247 AMAQI
26th Aug 2025248 AMAQI
26th Aug 2025279 AMAQI
26th Aug 20252810 AMAQI
26th Aug 20253011 AMAQI
26th Aug 20252512 PMAQI
26th Aug 2025291 PMAQI
26th Aug 2025262 PMAQI
26th Aug 2025353 PMAQI
26th Aug 2025244 PMAQI
26th Aug 2025285 PMAQI
26th Aug 2025266 PMAQI
26th Aug 2025267 PMAQI
26th Aug 2025348 PMAQI
26th Aug 2025289 PMAQI
26th Aug 20252710 PMAQI
26th Aug 20252811 PMAQI
27th Aug 20252812 AMAQI
27th Aug 2025311 AMAQI
27th Aug 2025242 AMAQI
27th Aug 2025233 AMAQI
27th Aug 2025204 AMAQI
27th Aug 2025175 AMAQI
27th Aug 2025196 AMAQI
20°C18/23°C
27th Aug 2025217 AMAQI
27th Aug 2025228 AMAQI
27th Aug 2025189 AMAQI
27th Aug 20251810 AMAQI
27th Aug 20252111 AMAQI
27th Aug 20252212 PMAQI
27th Aug 2025221 PMAQI
27th Aug 2025242 PMAQI
27th Aug 2025233 PMAQI
27th Aug 2025244 PMAQI
27th Aug 2025235 PMAQI
27th Aug 2025226 PMAQI
27th Aug 2025227 PMAQI
27th Aug 2025228 PMAQI
27th Aug 2025239 PMAQI
27th Aug 20252410 PMAQI
27th Aug 20252311 PMAQI
28th Aug 20252412 AMAQI
28th Aug 2025241 AMAQI
28th Aug 2025252 AMAQI
28th Aug 2025223 AMAQI
28th Aug 2025224 AMAQI
28th Aug 2025215 AMAQI
28th Aug 2025226 AMAQI
20°C17/23°C
28th Aug 2025227 AMAQI
28th Aug 2025218 AMAQI
28th Aug 2025229 AMAQI
28th Aug 20252110 AMAQI
28th Aug 20252411 AMAQI
28th Aug 20252412 PMAQI
28th Aug 2025221 PMAQI
28th Aug 2025312 PMAQI
28th Aug 2025233 PMAQI
28th Aug 2025244 PMAQI
28th Aug 2025245 PMAQI
28th Aug 2025226 PMAQI
28th Aug 2025227 PMAQI
28th Aug 2025248 PMAQI
28th Aug 2025269 PMAQI
28th Aug 20252610 PMAQI
28th Aug 20252611 PMAQI
29th Aug 20252612 AMAQI
29th Aug 2025261 AMAQI
29th Aug 2025242 AMAQI
29th Aug 2025263 AMAQI
29th Aug 2025224 AMAQI
29th Aug 2025235 AMAQI
29th Aug 2025246 AMAQI
20°C17/23°C
29th Aug 2025237 AMAQI
29th Aug 2025268 AMAQI
29th Aug 2025239 AMAQI
29th Aug 20252410 AMAQI
29th Aug 20252311 AMAQI
29th Aug 20252612 PMAQI
29th Aug 2025271 PMAQI
29th Aug 2025282 PMAQI
29th Aug 2025273 PMAQI
29th Aug 2025294 PMAQI
29th Aug 2025265 PMAQI
29th Aug 2025266 PMAQI
29th Aug 2025257 PMAQI
29th Aug 2025268 PMAQI
29th Aug 2025269 PMAQI
29th Aug 20252610 PMAQI
29th Aug 20252511 PMAQI
30th Aug 20252512 AMAQI
30th Aug 2025261 AMAQI
30th Aug 2025252 AMAQI
30th Aug 2025253 AMAQI
30th Aug 2025304 AMAQI
30th Aug 2025235 AMAQI
30th Aug 2025266 AMAQI
20°C18/24°C
30th Aug 2025227 AMAQI
30th Aug 2025238 AMAQI
30th Aug 2025259 AMAQI
30th Aug 20252410 AMAQI
30th Aug 20252211 AMAQI
30th Aug 20252312 PMAQI
30th Aug 2025251 PMAQI
30th Aug 2025242 PMAQI
30th Aug 2025243 PMAQI
30th Aug 2025254 PMAQI
30th Aug 2025235 PMAQI
30th Aug 2025226 PMAQI
30th Aug 2025237 PMAQI
30th Aug 2025228 PMAQI
30th Aug 2025249 PMAQI
30th Aug 20252510 PMAQI
30th Aug 20252611 PMAQI
31st Aug 20252512 AMAQI
31st Aug 2025251 AMAQI
31st Aug 2025252 AMAQI
31st Aug 2025203 AMAQI
31st Aug 2025204 AMAQI
31st Aug 2025225 AMAQI
31st Aug 2025256 AMAQI
21°C18/24°C
31st Aug 2025217 AMAQI
31st Aug 2025268 AMAQI
31st Aug 2025219 AMAQI
31st Aug 20252210 AMAQI
31st Aug 20252111 AMAQI
31st Aug 20252212 PMAQI
31st Aug 2025261 PMAQI
31st Aug 2025222 PMAQI
31st Aug 2025243 PMAQI
31st Aug 2025224 PMAQI
31st Aug 2025225 PMAQI
31st Aug 2025216 PMAQI
31st Aug 2025217 PMAQI
31st Aug 2025238 PMAQI
31st Aug 2025259 PMAQI
31st Aug 20252410 PMAQI
31st Aug 20252411 PMAQI
1st Sep 20252312 AMAQI
1st Sep 2025231 AMAQI
1st Sep 2025222 AMAQI
1st Sep 2025183 AMAQI
1st Sep 2025184 AMAQI
1st Sep 2025195 AMAQI
1st Sep 2025186 AMAQI
20°C18/23°C
1st Sep 2025207 AMAQI
1st Sep 2025188 AMAQI
1st Sep 2025229 AMAQI
1st Sep 20251810 AMAQI
1st Sep 20252011 AMAQI
1st Sep 20252112 PMAQI
1st Sep 2025201 PMAQI
1st Sep 2025212 PMAQI
1st Sep 2025223 PMAQI
1st Sep 2025214 PMAQI
1st Sep 2025225 PMAQI
1st Sep 2025216 PMAQI
1st Sep 2025207 PMAQI
1st Sep 2025218 PMAQI
1st Sep 2025219 PMAQI
1st Sep 20252210 PMAQI
1st Sep 20252111 PMAQI
2nd Sep 20252212 AMAQI
2nd Sep 2025231 AMAQI
2nd Sep 2025222 AMAQI
2nd Sep 2025213 AMAQI
2nd Sep 2025194 AMAQI
2nd Sep 2025195 AMAQI
2nd Sep 2025196 AMAQI
20°C17/23°C
2nd Sep 2025177 AMAQI
2nd Sep 2025188 AMAQI
2nd Sep 2025209 AMAQI
2nd Sep 20252010 AMAQI
2nd Sep 20252411 AMAQI
2nd Sep 20252012 PMAQI
2nd Sep 2025201 PMAQI
2nd Sep 2025222 PMAQI
2nd Sep 2025223 PMAQI
2nd Sep 2025234 PMAQI
2nd Sep 2025205 PMAQI
2nd Sep 2025226 PMAQI
2nd Sep 2025227 PMAQI
2nd Sep 2025238 PMAQI
2nd Sep 2025229 PMAQI
2nd Sep 20252210 PMAQI
2nd Sep 20252211 PMAQI
3rd Sep 20252212 AMAQI
3rd Sep 2025241 AMAQI
3rd Sep 2025232 AMAQI
3rd Sep 2025223 AMAQI
3rd Sep 2025224 AMAQI
3rd Sep 2025265 AMAQI
3rd Sep 2025236 AMAQI
20°C17/24°C
3rd Sep 2025227 AMAQI
3rd Sep 2025248 AMAQI
3rd Sep 2025249 AMAQI
3rd Sep 20252310 AMAQI
3rd Sep 20252611 AMAQI
3rd Sep 20252212 PMAQI
3rd Sep 2025221 PMAQI
3rd Sep 2025222 PMAQI
3rd Sep 2025243 PMAQI
3rd Sep 2025234 PMAQI
3rd Sep 2025265 PMAQI
3rd Sep 2025236 PMAQI
3rd Sep 2025247 PMAQI
3rd Sep 2025248 PMAQI
3rd Sep 2025269 PMAQI
3rd Sep 20252610 PMAQI
3rd Sep 20252711 PMAQI
4th Sep 20252612 AMAQI
4th Sep 2025251 AMAQI
4th Sep 2025242 AMAQI
4th Sep 2025223 AMAQI
4th Sep 2025244 AMAQI
4th Sep 2025235 AMAQI
4th Sep 2025226 AMAQI
20°C18/23°C
4th Sep 2025227 AMAQI
4th Sep 2025218 AMAQI
4th Sep 2025209 AMAQI
4th Sep 20251910 AMAQI
4th Sep 20252211 AMAQI
4th Sep 20252512 PMAQI
4th Sep 2025291 PMAQI
4th Sep 2025252 PMAQI
4th Sep 2025213 PMAQI
4th Sep 2025214 PMAQI
4th Sep 2025235 PMAQI
4th Sep 2025286 PMAQI
4th Sep 2025277 PMAQI
4th Sep 2025258 PMAQI
4th Sep 2025239 PMAQI
4th Sep 20253010 PMAQI
4th Sep 20252511 PMAQI
5th Sep 20252412 AMAQI
5th Sep 2025231 AMAQI
5th Sep 2025262 AMAQI
5th Sep 2025263 AMAQI
5th Sep 2025234 AMAQI
5th Sep 2025305 AMAQI
5th Sep 2025356 AMAQI
19°C17/22°C
5th Sep 2025287 AMAQI
5th Sep 2025288 AMAQI
5th Sep 2025269 AMAQI
5th Sep 20253210 AMAQI
5th Sep 20253211 AMAQI
5th Sep 20252712 PMAQI
5th Sep 2025251 PMAQI
5th Sep 2025262 PMAQI
5th Sep 2025253 PMAQI
5th Sep 2025284 PMAQI
5th Sep 2025285 PMAQI
5th Sep 2025346 PMAQI
5th Sep 2025267 PMAQI
5th Sep 2025268 PMAQI
5th Sep 2025269 PMAQI
5th Sep 20253010 PMAQI
5th Sep 20252511 PMAQI
6th Sep 20252712 AMAQI
6th Sep 2025271 AMAQI
6th Sep 2025282 AMAQI
6th Sep 2025293 AMAQI
6th Sep 2025284 AMAQI
6th Sep 2025265 AMAQI
6th Sep 2025256 AMAQI
20°C17/25°C
6th Sep 2025307 AMAQI
6th Sep 2025348 AMAQI
6th Sep 2025279 AMAQI
6th Sep 20253010 AMAQI
6th Sep 20252911 AMAQI
6th Sep 20252912 PMAQI
6th Sep 2025301 PMAQI
6th Sep 2025292 PMAQI
6th Sep 2025323 PMAQI
6th Sep 2025324 PMAQI
6th Sep 2025285 PMAQI
6th Sep 2025316 PMAQI
6th Sep 2025307 PMAQI
6th Sep 2025328 PMAQI
6th Sep 2025289 PMAQI
6th Sep 20253010 PMAQI
6th Sep 20253011 PMAQI
7th Sep 20252912 AMAQI
7th Sep 2025301 AMAQI
7th Sep 2025322 AMAQI
7th Sep 2025333 AMAQI
7th Sep 2025394 AMAQI
7th Sep 2025325 AMAQI
7th Sep 2025316 AMAQI
20°C17/23°C
7th Sep 2025317 AMAQI
7th Sep 2025308 AMAQI
7th Sep 2025309 AMAQI
7th Sep 20253410 AMAQI
7th Sep 20253111 AMAQI
7th Sep 20253212 PMAQI
7th Sep 2025311 PMAQI
7th Sep 2025322 PMAQI
7th Sep 2025303 PMAQI
7th Sep 2025304 PMAQI
7th Sep 2025305 PMAQI
7th Sep 2025296 PMAQI
7th Sep 2025287 PMAQI
7th Sep 2025308 PMAQI
7th Sep 2025349 PMAQI
7th Sep 20253310 PMAQI
7th Sep 20253311 PMAQI
8th Sep 20253412 AMAQI
8th Sep 2025341 AMAQI
8th Sep 2025242 AMAQI
8th Sep 2025243 AMAQI
8th Sep 2025244 AMAQI
8th Sep 2025205 AMAQI
8th Sep 2025226 AMAQI
21°C18/24°C
8th Sep 2025247 AMAQI
8th Sep 2025188 AMAQI
8th Sep 2025209 AMAQI
8th Sep 20252110 AMAQI
8th Sep 20252211 AMAQI
8th Sep 20252212 PMAQI
8th Sep 2025231 PMAQI
8th Sep 2025232 PMAQI
8th Sep 2025243 PMAQI
8th Sep 2025244 PMAQI
8th Sep 2025235 PMAQI
8th Sep 2025236 PMAQI
8th Sep 2025227 PMAQI
8th Sep 2025248 PMAQI
8th Sep 2025259 PMAQI
8th Sep 20252410 PMAQI
8th Sep 20252511 PMAQI
9th Sep 20252512 AMAQI
9th Sep 2025261 AMAQI
9th Sep 2025242 AMAQI
9th Sep 2025183 AMAQI
9th Sep 2025184 AMAQI
9th Sep 2025185 AMAQI
9th Sep 2025176 AMAQI
19°C17/22°C
9th Sep 2025177 AMAQI
9th Sep 2025188 AMAQI
9th Sep 2025209 AMAQI
9th Sep 20252010 AMAQI
9th Sep 20252011 AMAQI
9th Sep 20252212 PMAQI
9th Sep 2025201 PMAQI
9th Sep 2025202 PMAQI
9th Sep 2025213 PMAQI
9th Sep 2025234 PMAQI
9th Sep 2025205 PMAQI
9th Sep 2025216 PMAQI
9th Sep 2025207 PMAQI
9th Sep 2025208 PMAQI
9th Sep 2025229 PMAQI
9th Sep 20252110 PMAQI
9th Sep 20252211 PMAQI
10th Sep 20252312 AMAQI
10th Sep 2025211 AMAQI
10th Sep 2025212 AMAQI
10th Sep 2025203 AMAQI
10th Sep 2025194 AMAQI
10th Sep 2025185 AMAQI
10th Sep 2025236 AMAQI
19°C16/22°C
10th Sep 2025237 AMAQI
10th Sep 2025208 AMAQI
10th Sep 2025219 AMAQI
10th Sep 20252710 AMAQI
10th Sep 20252111 AMAQI
10th Sep 20252012 PMAQI
10th Sep 2025201 PMAQI
10th Sep 2025172 PMAQI
10th Sep 2025203 PMAQI
10th Sep 2025184 PMAQI
10th Sep 2025215 PMAQI
10th Sep 2025206 PMAQI
10th Sep 2025207 PMAQI
10th Sep 2025218 PMAQI
10th Sep 2025219 PMAQI
10th Sep 20252110 PMAQI
10th Sep 20252211 PMAQI
11th Sep 20252212 AMAQI
11th Sep 2025211 AMAQI
11th Sep 2025232 AMAQI
11th Sep 2025203 AMAQI
11th Sep 2025184 AMAQI
11th Sep 2025175 AMAQI
11th Sep 2025196 AMAQI
21°C18/23°C
11th Sep 2025217 AMAQI
11th Sep 2025198 AMAQI
11th Sep 2025189 AMAQI
11th Sep 20251810 AMAQI
11th Sep 20251911 AMAQI
11th Sep 20251812 PMAQI
11th Sep 2025181 PMAQI
11th Sep 2025202 PMAQI
11th Sep 2025193 PMAQI
11th Sep 2025204 PMAQI
11th Sep 2025215 PMAQI
11th Sep 2025216 PMAQI
11th Sep 2025227 PMAQI
11th Sep 2025218 PMAQI
11th Sep 2025239 PMAQI
11th Sep 20252110 PMAQI
11th Sep 20252211 PMAQI
12th Sep 20252212 AMAQI
12th Sep 2025221 AMAQI
12th Sep 2025192 AMAQI
12th Sep 2025213 AMAQI
12th Sep 2025184 AMAQI
12th Sep 2025195 AMAQI
12th Sep 2025186 AMAQI
21°C18/24°C
12th Sep 2025207 AMAQI
12th Sep 2025188 AMAQI
12th Sep 2025189 AMAQI
12th Sep 20252010 AMAQI
12th Sep 20252211 AMAQI
12th Sep 20252012 PMAQI
12th Sep 2025201 PMAQI
12th Sep 2025202 PMAQI
12th Sep 2025223 PMAQI
12th Sep 2025214 PMAQI
12th Sep 2025205 PMAQI
12th Sep 2025196 PMAQI
12th Sep 2025207 PMAQI
12th Sep 2025238 PMAQI
12th Sep 2025229 PMAQI
12th Sep 20252210 PMAQI
12th Sep 20252311 PMAQI
13th Sep 20252212 AMAQI
13th Sep 2025221 AMAQI
13th Sep 2025232 AMAQI
13th Sep 2025223 AMAQI
13th Sep 2025184 AMAQI
13th Sep 2025185 AMAQI
13th Sep 2025176 AMAQI
21°C18/25°C
13th Sep 2025207 AMAQI
13th Sep 2025228 AMAQI
13th Sep 2025209 AMAQI
13th Sep 20252110 AMAQI
13th Sep 20252311 AMAQI
13th Sep 20252212 PMAQI
13th Sep 2025191 PMAQI
13th Sep 2025212 PMAQI
13th Sep 2025223 PMAQI
13th Sep 2025274 PMAQI
13th Sep 2025215 PMAQI
13th Sep 2025216 PMAQI
13th Sep 2025197 PMAQI
13th Sep 2025218 PMAQI
13th Sep 2025229 PMAQI
13th Sep 20252310 PMAQI
13th Sep 20252111 PMAQI
14th Sep 20252112 AMAQI
14th Sep 2025221 AMAQI
14th Sep 2025212 AMAQI
14th Sep 2025183 AMAQI
14th Sep 2025204 AMAQI
14th Sep 2025205 AMAQI
14th Sep 2025216 AMAQI
20°C17/23°C
14th Sep 2025207 AMAQI
14th Sep 2025278 AMAQI
14th Sep 2025239 AMAQI
14th Sep 20252110 AMAQI
14th Sep 20251911 AMAQI
14th Sep 20252112 PMAQI
14th Sep 2025221 PMAQI
14th Sep 2025282 PMAQI
14th Sep 2025223 PMAQI
14th Sep 2025224 PMAQI
14th Sep 2025245 PMAQI
14th Sep 2025186 PMAQI
14th Sep 2025197 PMAQI
14th Sep 2025238 PMAQI
14th Sep 2025229 PMAQI
14th Sep 20252210 PMAQI
14th Sep 20252411 PMAQI
15th Sep 20252312 AMAQI
15th Sep 2025291 AMAQI
15th Sep 2025222 AMAQI
15th Sep 2025163 AMAQI
15th Sep 2025204 AMAQI
15th Sep 2025235 AMAQI
15th Sep 2025196 AMAQI
21°C18/24°C
15th Sep 2025207 AMAQI
15th Sep 2025218 AMAQI
15th Sep 2025219 AMAQI
15th Sep 20251610 AMAQI
15th Sep 20251411 AMAQI
15th Sep 20251812 PMAQI
15th Sep 2025211 PMAQI
15th Sep 2025212 PMAQI
15th Sep 2025233 PMAQI
15th Sep 2025224 PMAQI
15th Sep 2025205 PMAQI
15th Sep 2025206 PMAQI
15th Sep 2025247 PMAQI
15th Sep 2025208 PMAQI
15th Sep 2025219 PMAQI
15th Sep 20252210 PMAQI
15th Sep 20252211 PMAQI
16th Sep 20252212 AMAQI
16th Sep 2025241 AMAQI
16th Sep 2025232 AMAQI
16th Sep 2025213 AMAQI
16th Sep 2025214 AMAQI
16th Sep 2025195 AMAQI
16th Sep 2025226 AMAQI
21°C17/25°C
16th Sep 2025247 AMAQI
16th Sep 2025268 AMAQI
16th Sep 2025259 AMAQI
16th Sep 20252610 AMAQI
16th Sep 20252411 AMAQI
16th Sep 20252412 PMAQI
16th Sep 2025261 PMAQI
16th Sep 2025282 PMAQI
16th Sep 2025253 PMAQI
16th Sep 2025244 PMAQI
16th Sep 2025285 PMAQI
16th Sep 2025276 PMAQI
16th Sep 2025267 PMAQI
16th Sep 2025288 PMAQI
16th Sep 2025269 PMAQI
16th Sep 20252710 PMAQI
16th Sep 20252811 PMAQI
17th Sep 20252512 AMAQI
17th Sep 2025281 AMAQI
17th Sep 2025292 AMAQI
17th Sep 2025283 AMAQI
17th Sep 2025364 AMAQI
17th Sep 2025305 AMAQI
17th Sep 2025286 AMAQI
20°C16/25°C
17th Sep 2025277 AMAQI
17th Sep 2025308 AMAQI
17th Sep 2025329 AMAQI
17th Sep 20253010 AMAQI
17th Sep 20253211 AMAQI
17th Sep 20252912 PMAQI
17th Sep 2025271 PMAQI
17th Sep 2025312 PMAQI
17th Sep 2025303 PMAQI
17th Sep 2025304 PMAQI
17th Sep 2025345 PMAQI
17th Sep 2025366 PMAQI
17th Sep 2025337 PMAQI
17th Sep 2025338 PMAQI
17th Sep 2025309 PMAQI
17th Sep 20253210 PMAQI
17th Sep 20252911 PMAQI
18th Sep 20253012 AMAQI
18th Sep 2025291 AMAQI
18th Sep 2025282 AMAQI
18th Sep 2025333 AMAQI
18th Sep 2025324 AMAQI
18th Sep 2025315 AMAQI
18th Sep 2025326 AMAQI
21°C17/26°C
18th Sep 2025317 AMAQI
18th Sep 2025348 AMAQI
18th Sep 2025359 AMAQI
18th Sep 20253410 AMAQI
18th Sep 20253811 AMAQI
18th Sep 20253412 PMAQI
18th Sep 2025441 PMAQI
18th Sep 2025372 PMAQI
18th Sep 2025363 PMAQI
18th Sep 2025374 PMAQI
18th Sep 2025425 PMAQI
18th Sep 2025406 PMAQI
18th Sep 2025397 PMAQI
18th Sep 2025428 PMAQI
18th Sep 2025409 PMAQI
18th Sep 20254710 PMAQI
18th Sep 20254011 PMAQI
19th Sep 20253512 AMAQI
19th Sep 2025381 AMAQI
19th Sep 2025382 AMAQI
19th Sep 2025413 AMAQI
19th Sep 2025444 AMAQI
19th Sep 2025445 AMAQI
19th Sep 2025436 AMAQI
23°C20/27°C
19th Sep 2025467 AMAQI
19th Sep 2025528 AMAQI
19th Sep 2025529 AMAQI
19th Sep 20255410 AMAQI
19th Sep 20255211 AMAQI
19th Sep 20255212 PMAQI
19th Sep 2025491 PMAQI
19th Sep 2025502 PMAQI
19th Sep 2025493 PMAQI
19th Sep 2025504 PMAQI
19th Sep 2025525 PMAQI
19th Sep 2025536 PMAQI
19th Sep 2025537 PMAQI
19th Sep 2025548 PMAQI
19th Sep 2025549 PMAQI
19th Sep 20255210 PMAQI
19th Sep 20255211 PMAQI
20th Sep 20255212 AMAQI
20th Sep 2025481 AMAQI
20th Sep 2025522 AMAQI
20th Sep 2025533 AMAQI
20th Sep 2025594 AMAQI
20th Sep 2025595 AMAQI
20th Sep 2025576 AMAQI
22°C20/25°C
20th Sep 2025567 AMAQI
20th Sep 2025548 AMAQI
20th Sep 2025549 AMAQI
20th Sep 20255210 AMAQI
20th Sep 20255211 AMAQI
20th Sep 20255112 PMAQI
20th Sep 2025511 PMAQI
20th Sep 2025512 PMAQI
20th Sep 2025503 PMAQI
20th Sep 2025484 PMAQI
20th Sep 2025485 PMAQI
20th Sep 2025446 PMAQI
20th Sep 2025457 PMAQI
20th Sep 2025488 PMAQI
20th Sep 2025509 PMAQI
20th Sep 20255010 PMAQI
20th Sep 20255111 PMAQI
21st Sep 20255212 AMAQI
21st Sep 2025501 AMAQI
21st Sep 2025482 AMAQI
21st Sep 2025363 AMAQI
21st Sep 2025274 AMAQI
21st Sep 2025265 AMAQI
21st Sep 2025236 AMAQI
20°C17/24°C
21st Sep 2025227 AMAQI
7 AM21st Sep 2025228 AMAQI
21st Sep 2025219 AMAQI
21st Sep 20252010 AMAQI
21st Sep 20251811 AMAQI
21st Sep 20252212 PMAQI
1 PM
8 PM
1 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
1 PM - 6 PM
28AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
7 AM
26AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 6 PM (Avg. 28), while the lowest AQI was between 7 AM to 7 AM (Avg. 26).
Night time
Avg. Highest Time
1 AM
29AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
3 AM - 6 AM
26AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 1 AM (Avg. 29), while the lowest AQI was between 3 AM to 6 AM (Avg. 26).
2025 Days Vs Air Quality
Cacem, Lisboa, Portugal
2025
97%
253
3%
9
Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)
Good
253 DaysModerate
9 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2025, 97% of 264 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 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
31AQI
31AQI
2nd January 2025
35AQI
35AQI
3rd January 2025
41AQI
41AQI
4th January 2025
43AQI
43AQI
5th January 2025
39AQI
39AQI
6th January 2025
36AQI
36AQI
7th January 2025
34AQI
34AQI
8th January 2025
39AQI
39AQI
9th January 2025
36AQI
36AQI
10th January 2025
34AQI
34AQI
11th January 2025
33AQI
33AQI
12th January 2025
32AQI
32AQI
13th January 2025
38AQI
38AQI
14th January 2025
37AQI
37AQI
15th January 2025
37AQI
37AQI
16th January 2025
46AQI
46AQI
17th January 2025
44AQI
44AQI
18th January 2025
38AQI
38AQI
19th January 2025
40AQI
40AQI
20th January 2025
41AQI
41AQI
21st January 2025
42AQI
42AQI
22nd January 2025
38AQI
38AQI
23rd January 2025
39AQI
39AQI
24th January 2025
43AQI
43AQI
25th January 2025
40AQI
40AQI
26th January 2025
40AQI
40AQI
27th January 2025
34AQI
34AQI
28th January 2025
33AQI
33AQI
29th January 2025
32AQI
32AQI
30th January 2025
32AQI
32AQI
31st January 2025
30AQI
30AQI
1st February 2025
27AQI
27AQI
2nd February 2025
30AQI
30AQI
3rd February 2025
33AQI
33AQI
4th February 2025
31AQI
31AQI
5th February 2025
32AQI
32AQI
6th February 2025
37AQI
37AQI
7th February 2025
36AQI
36AQI
8th February 2025
34AQI
34AQI
9th February 2025
34AQI
34AQI
10th February 2025
34AQI
34AQI
11th February 2025
34AQI
34AQI
12th February 2025
33AQI
33AQI
13th February 2025
29AQI
29AQI
14th February 2025
28AQI
28AQI
15th February 2025
29AQI
29AQI
16th February 2025
31AQI
31AQI
17th February 2025
27AQI
27AQI
18th February 2025
31AQI
31AQI
19th February 2025
31AQI
31AQI
20th February 2025
33AQI
33AQI
21st February 2025
34AQI
34AQI
22nd February 2025
34AQI
34AQI
23rd February 2025
34AQI
34AQI
24th February 2025
36AQI
36AQI
25th February 2025
41AQI
41AQI
26th February 2025
41AQI
41AQI
27th February 2025
47AQI
47AQI
28th February 2025
41AQI
41AQI
1st March 2025
39AQI
39AQI
2nd March 2025
34AQI
34AQI
3rd March 2025
32AQI
32AQI
4th March 2025
36AQI
36AQI
5th March 2025
35AQI
35AQI
6th March 2025
32AQI
32AQI
7th March 2025
31AQI
31AQI
8th March 2025
32AQI
32AQI
9th March 2025
32AQI
32AQI
10th March 2025
31AQI
31AQI
11th March 2025
33AQI
33AQI
12th March 2025
29AQI
29AQI
13th March 2025
28AQI
28AQI
14th March 2025
27AQI
27AQI
15th March 2025
27AQI
27AQI
16th March 2025
27AQI
27AQI
17th March 2025
27AQI
27AQI
18th March 2025
26AQI
26AQI
19th March 2025
26AQI
26AQI
20th March 2025
27AQI
27AQI
21st March 2025
24AQI
24AQI
22nd March 2025
22AQI
22AQI
23rd March 2025
23AQI
23AQI
24th March 2025
24AQI
24AQI
25th March 2025
25AQI
25AQI
26th March 2025
26AQI
26AQI
27th March 2025
22AQI
22AQI
28th March 2025
22AQI
22AQI
29th March 2025
23AQI
23AQI
30th March 2025
30AQI
30AQI
31st March 2025
30AQI
30AQI
1st April 2025
25AQI
25AQI
2nd April 2025
24AQI
24AQI
3rd April 2025
19AQI
19AQI
4th April 2025
19AQI
19AQI
5th April 2025
16AQI
16AQI
6th April 2025
15AQI
15AQI
7th April 2025
15AQI
15AQI
8th April 2025
16AQI
16AQI
9th April 2025
17AQI
17AQI
10th April 2025
19AQI
19AQI
11th April 2025
22AQI
22AQI
12th April 2025
21AQI
21AQI
13th April 2025
19AQI
19AQI
14th April 2025
19AQI
19AQI
15th April 2025
17AQI
17AQI
16th April 2025
18AQI
18AQI
17th April 2025
17AQI
17AQI
18th April 2025
18AQI
18AQI
19th April 2025
17AQI
17AQI
20th April 2025
20AQI
20AQI
21st April 2025
18AQI
18AQI
22nd April 2025
19AQI
19AQI
23rd April 2025
24AQI
24AQI
24th April 2025
26AQI
26AQI
25th April 2025
29AQI
29AQI
26th April 2025
29AQI
29AQI
27th April 2025
28AQI
28AQI
28th April 2025
26AQI
26AQI
29th April 2025
25AQI
25AQI
30th April 2025
26AQI
26AQI
1st May 2025
28AQI
28AQI
2nd May 2025
34AQI
34AQI
3rd May 2025
48AQI
48AQI
4th May 2025
44AQI
44AQI
5th May 2025
40AQI
40AQI
6th May 2025
31AQI
31AQI
7th May 2025
23AQI
23AQI
8th May 2025
21AQI
21AQI
9th May 2025
21AQI
21AQI
10th May 2025
22AQI
22AQI
11th May 2025
22AQI
22AQI
12th May 2025
22AQI
22AQI
13th May 2025
28AQI
28AQI
14th May 2025
34AQI
34AQI
15th May 2025
38AQI
38AQI
16th May 2025
39AQI
39AQI
17th May 2025
37AQI
37AQI
18th May 2025
33AQI
33AQI
19th May 2025
27AQI
27AQI
20th May 2025
25AQI
25AQI
21st May 2025
22AQI
22AQI
22nd May 2025
22AQI
22AQI
23rd May 2025
26AQI
26AQI
24th May 2025
35AQI
35AQI
25th May 2025
35AQI
35AQI
26th May 2025
25AQI
25AQI
27th May 2025
28AQI
28AQI
28th May 2025
31AQI
31AQI
29th May 2025
42AQI
42AQI
30th May 2025
50AQI
50AQI
31st May 2025
48AQI
48AQI
1st June 2025
44AQI
44AQI
2nd June 2025
34AQI
34AQI
3rd June 2025
33AQI
33AQI
4th June 2025
28AQI
28AQI
5th June 2025
24AQI
24AQI
6th June 2025
21AQI
21AQI
7th June 2025
20AQI
20AQI
8th June 2025
28AQI
28AQI
9th June 2025
46AQI
46AQI
10th June 2025
55AQI
55AQI
11th June 2025
53AQI
53AQI
12th June 2025
47AQI
47AQI
13th June 2025
31AQI
31AQI
14th June 2025
31AQI
31AQI
15th June 2025
31AQI
31AQI
16th June 2025
35AQI
35AQI
17th June 2025
44AQI
44AQI
18th June 2025
53AQI
53AQI
19th June 2025
49AQI
49AQI
20th June 2025
45AQI
45AQI
21st June 2025
35AQI
35AQI
22nd June 2025
32AQI
32AQI
23rd June 2025
34AQI
34AQI
24th June 2025
37AQI
37AQI
25th June 2025
34AQI
34AQI
26th June 2025
29AQI
29AQI
27th June 2025
26AQI
26AQI
28th June 2025
29AQI
29AQI
29th June 2025
36AQI
36AQI
30th June 2025
41AQI
41AQI
1st July 2025
43AQI
43AQI
2nd July 2025
36AQI
36AQI
3rd July 2025
38AQI
38AQI
4th July 2025
42AQI
42AQI
5th July 2025
44AQI
44AQI
6th July 2025
42AQI
42AQI
7th July 2025
32AQI
32AQI
8th July 2025
30AQI
30AQI
9th July 2025
33AQI
33AQI
10th July 2025
32AQI
32AQI
11th July 2025
29AQI
29AQI
12th July 2025
27AQI
27AQI
13th July 2025
26AQI
26AQI
14th July 2025
24AQI
24AQI
15th July 2025
26AQI
26AQI
16th July 2025
35AQI
35AQI
17th July 2025
34AQI
34AQI
18th July 2025
30AQI
30AQI
19th July 2025
24AQI
24AQI
20th July 2025
22AQI
22AQI
21st July 2025
22AQI
22AQI
22nd July 2025
22AQI
22AQI
23rd July 2025
20AQI
20AQI
24th July 2025
22AQI
22AQI
25th July 2025
26AQI
26AQI
26th July 2025
27AQI
27AQI
27th July 2025
33AQI
33AQI
28th July 2025
30AQI
30AQI
29th July 2025
28AQI
28AQI
30th July 2025
42AQI
42AQI
31st July 2025
52AQI
52AQI
1st August 2025
52AQI
52AQI
2nd August 2025
37AQI
37AQI
3rd August 2025
36AQI
36AQI
4th August 2025
42AQI
42AQI
5th August 2025
54AQI
54AQI
6th August 2025
51AQI
51AQI
7th August 2025
55AQI
55AQI
8th August 2025
43AQI
43AQI
9th August 2025
42AQI
42AQI
10th August 2025
43AQI
43AQI
11th August 2025
47AQI
47AQI
12th August 2025
50AQI
50AQI
13th August 2025
53AQI
53AQI
14th August 2025
44AQI
44AQI
15th August 2025
44AQI
44AQI
16th August 2025
47AQI
47AQI
17th August 2025
47AQI
47AQI
18th August 2025
37AQI
37AQI
19th August 2025
36AQI
36AQI
20th August 2025
26AQI
26AQI
21st August 2025
23AQI
23AQI
22nd August 2025
26AQI
26AQI
23rd August 2025
40AQI
40AQI
24th August 2025
38AQI
38AQI
25th August 2025
31AQI
31AQI
26th August 2025
27AQI
27AQI
27th August 2025
22AQI
22AQI
28th August 2025
24AQI
24AQI
29th August 2025
25AQI
25AQI
30th August 2025
24AQI
24AQI
31st August 2025
23AQI
23AQI
1st September 2025
20AQI
20AQI
2nd September 2025
21AQI
21AQI
3rd September 2025
24AQI
24AQI
4th September 2025
24AQI
24AQI
5th September 2025
27AQI
27AQI
6th September 2025
29AQI
29AQI
7th September 2025
31AQI
31AQI
8th September 2025
24AQI
24AQI
9th September 2025
21AQI
21AQI
10th September 2025
21AQI
21AQI
11th September 2025
20AQI
20AQI
12th September 2025
20AQI
20AQI
13th September 2025
21AQI
21AQI
14th September 2025
21AQI
21AQI
15th September 2025
21AQI
21AQI
16th September 2025
25AQI
25AQI
17th September 2025
30AQI
30AQI
18th September 2025
36AQI
36AQI
19th September 2025
48AQI
48AQI
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
37AQI
34AQI
28AQI
21AQI
32AQI
36AQI
31AQI
38AQI
25AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202532AQI
31
28
31
30
31
27
3
30
1
26
5
19
253
9
Highest AQI recorded in
August38AQI
Lowest AQI recorded in
April21AQI
202439AQI
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 recorded in
January48AQI
Lowest AQI recorded in
October32AQI
202337AQI
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 recorded in
December48AQI
Lowest AQI recorded in
July29AQI
202239AQI
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 recorded in
March51AQI
Lowest AQI recorded in
August31AQI
202134AQI
30
26
31
29
31
23
4
30
1
29
2
28
2
27
4
12
7
26
5
322
25
Highest AQI recorded in
November43AQI
Lowest AQI recorded in
January25AQI
202027AQI
13
21
17
1
27
28
1
27
20
1
31
28
27
239
3
Highest AQI recorded in
May37AQI
Lowest AQI recorded in
November20AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
39AQILeast Polluted Year Recorded
2020(Avg.)
27AQICacem's annual 2025 AQI (32) shows an average percentage change of -8.02% (improved AQI) compared to previous years: 2020 (27), 2021 (34), 2022 (39), 2023 (37), 2024 (39).
