Horta, Azores, 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
Horta, Azores, Portugal
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
13th Aug 2025
52AQILowest AQI recorded on
8th Aug 2023
14AQISame Day Analysis (8th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 22 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 8th Aug - 9th Aug 2026
Horta, Azores, Portugal
AQI
Day
Night
.
6 AM8th Aug 2026
9 PM
5 AM9th Aug 2026
Day time
Avg. Highest Time
8AM8th Aug
27AQI
Avg. Lowest Time
6PM8th Aug
19AQI
Night time
Avg. Highest Time
10PM8th Aug
40AQI
Avg. Lowest Time
4AM9th Aug
19AQI
In the last 24 hours,
Horta's AQI reached its highest point of 40 at 10 PM during the Night, while the lowest point, 19, was recorded at 4 AM during the Night between 8th Aug and 9th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Horta, Azores, Portugal
JulAug
11th - 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 - 08th08th - 09th09th
Day
Night
11th Jul 2026226 AMAQI
11th Jul 2026267 AMAQI
11th Jul 2026308 AMAQI
11th Jul 2026289 AMAQI
11th Jul 20262810 AMAQI
11th Jul 20262811 AMAQI
11th Jul 20262612 PMAQI
11th Jul 2026301 PMAQI
11th Jul 2026282 PMAQI
11th Jul 2026303 PMAQI
11th Jul 2026304 PMAQI
11th Jul 2026305 PMAQI
11th Jul 2026296 PMAQI
11th Jul 2026267 PMAQI
11th Jul 2026298 PMAQI
11th Jul 2026279 PMAQI
11th Jul 20262810 PMAQI
11th Jul 20262611 PMAQI
12th Jul 20263012 AMAQI
12th Jul 2026261 AMAQI
12th Jul 2026242 AMAQI
12th Jul 2026223 AMAQI
12th Jul 2026224 AMAQI
12th Jul 2026225 AMAQI
19°C18/20°C
12th Jul 2026226 AMAQI
12th Jul 2026247 AMAQI
12th Jul 2026278 AMAQI
12th Jul 2026269 AMAQI
12th Jul 20262610 AMAQI
12th Jul 20262711 AMAQI
12th Jul 20262612 PMAQI
12th Jul 2026261 PMAQI
12th Jul 2026242 PMAQI
12th Jul 2026303 PMAQI
12th Jul 2026264 PMAQI
12th Jul 2026265 PMAQI
12th Jul 2026266 PMAQI
12th Jul 2026247 PMAQI
12th Jul 2026268 PMAQI
12th Jul 2026259 PMAQI
12th Jul 20262410 PMAQI
12th Jul 20262411 PMAQI
13th Jul 20262612 AMAQI
13th Jul 2026261 AMAQI
13th Jul 2026242 AMAQI
13th Jul 2026213 AMAQI
13th Jul 2026204 AMAQI
13th Jul 2026195 AMAQI
20°C17/22°C
13th Jul 2026206 AMAQI
13th Jul 2026167 AMAQI
13th Jul 2026288 AMAQI
13th Jul 2026269 AMAQI
13th Jul 20263010 AMAQI
13th Jul 2026811 AMAQI
13th Jul 20262812 PMAQI
13th Jul 2026281 PMAQI
13th Jul 2026232 PMAQI
13th Jul 2026123 PMAQI
13th Jul 2026314 PMAQI
13th Jul 2026265 PMAQI
13th Jul 2026176 PMAQI
13th Jul 2026247 PMAQI
13th Jul 2026168 PMAQI
13th Jul 202689 PMAQI
13th Jul 20261910 PMAQI
13th Jul 20262611 PMAQI
14th Jul 20262012 AMAQI
14th Jul 2026201 AMAQI
14th Jul 202682 AMAQI
14th Jul 202683 AMAQI
14th Jul 202684 AMAQI
14th Jul 2026145 AMAQI
21°C20/21°C
14th Jul 2026226 AMAQI
14th Jul 2026247 AMAQI
14th Jul 2026278 AMAQI
14th Jul 2026279 AMAQI
14th Jul 20261610 AMAQI
14th Jul 20262811 AMAQI
14th Jul 20261212 PMAQI
14th Jul 2026221 PMAQI
14th Jul 2026202 PMAQI
14th Jul 2026103 PMAQI
14th Jul 202684 PMAQI
14th Jul 2026125 PMAQI
14th Jul 2026126 PMAQI
14th Jul 2026127 PMAQI
14th Jul 2026128 PMAQI
14th Jul 2026109 PMAQI
14th Jul 20261010 PMAQI
14th Jul 20261211 PMAQI
15th Jul 20261612 AMAQI
15th Jul 2026181 AMAQI
15th Jul 2026142 AMAQI
15th Jul 2026143 AMAQI
15th Jul 2026144 AMAQI
15th Jul 202685 AMAQI
20°C19/21°C
15th Jul 202686 AMAQI
15th Jul 2026107 AMAQI
15th Jul 2026148 AMAQI
15th Jul 2026109 AMAQI
15th Jul 2026810 AMAQI
15th Jul 20262211 AMAQI
15th Jul 20262212 PMAQI
15th Jul 2026221 PMAQI
15th Jul 2026222 PMAQI
15th Jul 2026203 PMAQI
15th Jul 2026224 PMAQI
15th Jul 2026175 PMAQI
15th Jul 2026266 PMAQI
15th Jul 2026267 PMAQI
15th Jul 2026258 PMAQI
15th Jul 2026279 PMAQI
15th Jul 20262410 PMAQI
15th Jul 20262611 PMAQI
16th Jul 20262812 AMAQI
16th Jul 2026161 AMAQI
16th Jul 2026322 AMAQI
16th Jul 2026263 AMAQI
16th Jul 2026224 AMAQI
16th Jul 2026145 AMAQI
20°C20/21°C
16th Jul 2026516 AMAQI
16th Jul 2026537 AMAQI
16th Jul 2026188 AMAQI
16th Jul 2026409 AMAQI
16th Jul 20264010 AMAQI
16th Jul 20264411 AMAQI
16th Jul 20265312 PMAQI
16th Jul 2026541 PMAQI
16th Jul 2026552 PMAQI
16th Jul 2026563 PMAQI
16th Jul 2026564 PMAQI
16th Jul 2026545 PMAQI
16th Jul 2026556 PMAQI
16th Jul 2026557 PMAQI
16th Jul 2026608 PMAQI
16th Jul 2026579 PMAQI
16th Jul 20266010 PMAQI
16th Jul 20265511 PMAQI
17th Jul 20264412 AMAQI
17th Jul 2026461 AMAQI
17th Jul 2026172 AMAQI
17th Jul 2026173 AMAQI
17th Jul 2026124 AMAQI
17th Jul 202685 AMAQI
21°C21/22°C
17th Jul 202686 AMAQI
17th Jul 2026367 AMAQI
17th Jul 2026258 AMAQI
17th Jul 2026299 AMAQI
17th Jul 20262110 AMAQI
17th Jul 20262511 AMAQI
17th Jul 20262512 PMAQI
17th Jul 2026271 PMAQI
17th Jul 2026272 PMAQI
17th Jul 2026273 PMAQI
17th Jul 2026344 PMAQI
17th Jul 2026255 PMAQI
17th Jul 2026236 PMAQI
17th Jul 2026257 PMAQI
17th Jul 2026258 PMAQI
17th Jul 2026259 PMAQI
17th Jul 20262510 PMAQI
17th Jul 20262511 PMAQI
18th Jul 20262512 AMAQI
18th Jul 2026251 AMAQI
18th Jul 2026212 AMAQI
18th Jul 2026233 AMAQI
18th Jul 2026174 AMAQI
18th Jul 2026235 AMAQI
22°C22/22°C
18th Jul 2026236 AMAQI
18th Jul 2026217 AMAQI
18th Jul 2026218 AMAQI
18th Jul 2026219 AMAQI
18th Jul 20262110 AMAQI
18th Jul 20261911 AMAQI
18th Jul 20261912 PMAQI
18th Jul 2026141 PMAQI
18th Jul 2026142 PMAQI
18th Jul 2026123 PMAQI
18th Jul 2026174 PMAQI
18th Jul 2026175 PMAQI
18th Jul 2026146 PMAQI
18th Jul 2026177 PMAQI
18th Jul 2026148 PMAQI
18th Jul 2026149 PMAQI
18th Jul 20261410 PMAQI
18th Jul 20261911 PMAQI
19th Jul 20262912 AMAQI
19th Jul 2026311 AMAQI
19th Jul 2026202 AMAQI
19th Jul 2026123 AMAQI
19th Jul 2026124 AMAQI
19th Jul 2026125 AMAQI
22°C22/22°C
19th Jul 2026126 AMAQI
19th Jul 2026127 AMAQI
19th Jul 2026188 AMAQI
19th Jul 2026239 AMAQI
19th Jul 20262510 AMAQI
19th Jul 20261411 AMAQI
19th Jul 20261212 PMAQI
19th Jul 2026121 PMAQI
19th Jul 2026122 PMAQI
19th Jul 2026183 PMAQI
19th Jul 2026254 PMAQI
19th Jul 2026235 PMAQI
19th Jul 2026256 PMAQI
19th Jul 2026187 PMAQI
19th Jul 2026128 PMAQI
19th Jul 2026149 PMAQI
19th Jul 20261210 PMAQI
19th Jul 20261211 PMAQI
20th Jul 20261612 AMAQI
20th Jul 2026251 AMAQI
20th Jul 2026252 AMAQI
20th Jul 2026123 AMAQI
20th Jul 2026144 AMAQI
20th Jul 2026215 AMAQI
22°C21/23°C
20th Jul 2026256 AMAQI
20th Jul 2026277 AMAQI
20th Jul 2026278 AMAQI
20th Jul 2026259 AMAQI
20th Jul 20262310 AMAQI
20th Jul 20261711 AMAQI
20th Jul 20261412 PMAQI
20th Jul 2026141 PMAQI
20th Jul 2026122 PMAQI
20th Jul 2026173 PMAQI
20th Jul 2026144 PMAQI
20th Jul 2026125 PMAQI
20th Jul 2026146 PMAQI
20th Jul 2026177 PMAQI
20th Jul 2026198 PMAQI
20th Jul 2026259 PMAQI
20th Jul 20262710 PMAQI
20th Jul 20262911 PMAQI
21st Jul 20262912 AMAQI
21st Jul 2026271 AMAQI
21st Jul 2026292 AMAQI
21st Jul 2026254 AMAQI
21st Jul 2026255 AMAQI
21°C21/22°C
21st Jul 2026216 AMAQI
21st Jul 2026277 AMAQI
21st Jul 2026328 AMAQI
21st Jul 2026389 AMAQI
21st Jul 20264210 AMAQI
21st Jul 20262511 AMAQI
21st Jul 20262912 PMAQI
21st Jul 2026331 PMAQI
21st Jul 2026272 PMAQI
21st Jul 2026253 PMAQI
21st Jul 2026274 PMAQI
21st Jul 2026235 PMAQI
21st Jul 2026346 PMAQI
21st Jul 2026327 PMAQI
21st Jul 2026298 PMAQI
21st Jul 2026259 PMAQI
21st Jul 20263110 PMAQI
21st Jul 20262911 PMAQI
22nd Jul 20262712 AMAQI
22nd Jul 2026291 AMAQI
22nd Jul 2026312 AMAQI
22nd Jul 2026313 AMAQI
22nd Jul 2026294 AMAQI
22nd Jul 2026335 AMAQI
20°C20/21°C
22nd Jul 2026336 AMAQI
22nd Jul 2026257 AMAQI
22nd Jul 2026298 AMAQI
22nd Jul 2026259 AMAQI
22nd Jul 20263110 AMAQI
22nd Jul 20263111 AMAQI
22nd Jul 20262912 PMAQI
22nd Jul 2026331 PMAQI
22nd Jul 2026312 PMAQI
22nd Jul 2026313 PMAQI
22nd Jul 2026334 PMAQI
22nd Jul 2026345 PMAQI
22nd Jul 2026386 PMAQI
22nd Jul 2026487 PMAQI
22nd Jul 2026408 PMAQI
22nd Jul 2026279 PMAQI
22nd Jul 20263410 PMAQI
22nd Jul 20263311 PMAQI
23rd Jul 20262512 AMAQI
23rd Jul 2026231 AMAQI
23rd Jul 2026292 AMAQI
23rd Jul 2026333 AMAQI
23rd Jul 2026334 AMAQI
23rd Jul 2026295 AMAQI
20°C20/21°C
23rd Jul 2026366 AMAQI
23rd Jul 2026367 AMAQI
23rd Jul 2026318 AMAQI
23rd Jul 2026279 AMAQI
23rd Jul 20263310 AMAQI
23rd Jul 20263811 AMAQI
23rd Jul 20264212 PMAQI
23rd Jul 2026381 PMAQI
23rd Jul 2026362 PMAQI
23rd Jul 2026333 PMAQI
23rd Jul 2026254 PMAQI
23rd Jul 2026275 PMAQI
23rd Jul 2026276 PMAQI
23rd Jul 2026297 PMAQI
23rd Jul 2026368 PMAQI
23rd Jul 2026369 PMAQI
23rd Jul 20263310 PMAQI
23rd Jul 20263311 PMAQI
24th Jul 20263812 AMAQI
24th Jul 2026311 AMAQI
24th Jul 2026312 AMAQI
24th Jul 2026383 AMAQI
24th Jul 2026384 AMAQI
24th Jul 2026385 AMAQI
20°C20/21°C
24th Jul 2026316 AMAQI
24th Jul 2026277 AMAQI
24th Jul 2026278 AMAQI
24th Jul 2026299 AMAQI
24th Jul 20262710 AMAQI
24th Jul 20262911 AMAQI
24th Jul 20262912 PMAQI
24th Jul 2026291 PMAQI
24th Jul 2026312 PMAQI
24th Jul 2026363 PMAQI
24th Jul 2026404 PMAQI
24th Jul 2026325 PMAQI
24th Jul 2026256 PMAQI
24th Jul 2026277 PMAQI
24th Jul 2026298 PMAQI
24th Jul 2026299 PMAQI
24th Jul 20263110 PMAQI
24th Jul 20263111 PMAQI
25th Jul 20263612 AMAQI
25th Jul 2026291 AMAQI
25th Jul 2026312 AMAQI
25th Jul 2026333 AMAQI
25th Jul 2026334 AMAQI
25th Jul 2026295 AMAQI
20°C20/21°C
25th Jul 2026296 AMAQI
25th Jul 2026277 AMAQI
25th Jul 2026298 AMAQI
25th Jul 2026259 AMAQI
25th Jul 20262510 AMAQI
25th Jul 20262311 AMAQI
25th Jul 20262512 PMAQI
25th Jul 2026231 PMAQI
25th Jul 2026232 PMAQI
25th Jul 2026233 PMAQI
25th Jul 2026234 PMAQI
25th Jul 2026215 PMAQI
25th Jul 2026196 PMAQI
25th Jul 2026217 PMAQI
25th Jul 2026278 PMAQI
25th Jul 2026329 PMAQI
25th Jul 20263610 PMAQI
25th Jul 20262711 PMAQI
26th Jul 20262212 AMAQI
26th Jul 2026231 AMAQI
26th Jul 2026212 AMAQI
26th Jul 2026173 AMAQI
26th Jul 2026174 AMAQI
26th Jul 2026215 AMAQI
21°C20/21°C
26th Jul 2026276 AMAQI
26th Jul 2026237 AMAQI
26th Jul 2026258 AMAQI
26th Jul 2026239 AMAQI
26th Jul 20262510 AMAQI
26th Jul 20263111 AMAQI
26th Jul 20262712 PMAQI
26th Jul 2026291 PMAQI
26th Jul 2026292 PMAQI
26th Jul 2026273 PMAQI
26th Jul 2026314 PMAQI
26th Jul 2026345 PMAQI
26th Jul 2026386 PMAQI
26th Jul 2026307 PMAQI
26th Jul 2026348 PMAQI
26th Jul 2026309 PMAQI
26th Jul 20263210 PMAQI
26th Jul 20262711 PMAQI
27th Jul 20263612 AMAQI
27th Jul 2026401 AMAQI
27th Jul 2026212 AMAQI
27th Jul 2026293 AMAQI
27th Jul 2026274 AMAQI
27th Jul 2026315 AMAQI
21°C20/21°C
27th Jul 2026306 AMAQI
27th Jul 2026277 AMAQI
27th Jul 2026238 AMAQI
27th Jul 2026339 AMAQI
27th Jul 20263310 AMAQI
27th Jul 20262511 AMAQI
27th Jul 20261712 PMAQI
27th Jul 2026141 PMAQI
27th Jul 2026172 PMAQI
27th Jul 2026143 PMAQI
27th Jul 2026124 PMAQI
27th Jul 2026145 PMAQI
27th Jul 2026126 PMAQI
27th Jul 2026127 PMAQI
27th Jul 2026128 PMAQI
27th Jul 2026129 PMAQI
27th Jul 20261210 PMAQI
27th Jul 20261211 PMAQI
28th Jul 20261212 AMAQI
28th Jul 2026121 AMAQI
28th Jul 2026122 AMAQI
28th Jul 2026123 AMAQI
28th Jul 2026124 AMAQI
28th Jul 2026125 AMAQI
21°C20/21°C
28th Jul 2026126 AMAQI
28th Jul 2026127 AMAQI
28th Jul 2026188 AMAQI
28th Jul 2026299 AMAQI
28th Jul 20262210 AMAQI
28th Jul 20261211 AMAQI
28th Jul 20261212 PMAQI
28th Jul 2026121 PMAQI
28th Jul 2026122 PMAQI
28th Jul 2026123 PMAQI
28th Jul 2026124 PMAQI
28th Jul 2026125 PMAQI
28th Jul 2026126 PMAQI
28th Jul 2026127 PMAQI
28th Jul 2026128 PMAQI
28th Jul 2026129 PMAQI
28th Jul 20261210 PMAQI
28th Jul 20261411 PMAQI
29th Jul 20261412 AMAQI
29th Jul 2026171 AMAQI
29th Jul 2026142 AMAQI
29th Jul 2026143 AMAQI
29th Jul 2026144 AMAQI
29th Jul 2026125 AMAQI
21°C20/22°C
29th Jul 2026126 AMAQI
29th Jul 2026127 AMAQI
29th Jul 2026128 AMAQI
29th Jul 2026129 AMAQI
29th Jul 20261210 AMAQI
29th Jul 20261211 AMAQI
29th Jul 20261212 PMAQI
29th Jul 2026121 PMAQI
29th Jul 2026122 PMAQI
29th Jul 2026173 PMAQI
29th Jul 2026174 PMAQI
29th Jul 2026145 PMAQI
29th Jul 2026146 PMAQI
29th Jul 2026177 PMAQI
29th Jul 2026178 PMAQI
29th Jul 2026219 PMAQI
29th Jul 20262110 PMAQI
29th Jul 20261911 PMAQI
30th Jul 20262112 AMAQI
30th Jul 2026211 AMAQI
30th Jul 2026192 AMAQI
30th Jul 2026173 AMAQI
30th Jul 2026194 AMAQI
30th Jul 2026255 AMAQI
22°C21/23°C
30th Jul 2026216 AMAQI
30th Jul 2026197 AMAQI
30th Jul 2026308 AMAQI
30th Jul 2026149 AMAQI
30th Jul 20261910 AMAQI
30th Jul 20261911 AMAQI
30th Jul 20261912 PMAQI
30th Jul 2026191 PMAQI
30th Jul 2026192 PMAQI
30th Jul 2026213 PMAQI
30th Jul 2026194 PMAQI
30th Jul 2026215 PMAQI
30th Jul 2026176 PMAQI
30th Jul 2026217 PMAQI
30th Jul 2026198 PMAQI
30th Jul 2026179 PMAQI
30th Jul 20261610 PMAQI
30th Jul 20261911 PMAQI
31st Jul 20261912 AMAQI
31st Jul 2026141 AMAQI
31st Jul 2026172 AMAQI
31st Jul 2026173 AMAQI
31st Jul 2026174 AMAQI
31st Jul 2026145 AMAQI
22°C21/22°C
31st Jul 2026146 AMAQI
31st Jul 2026147 AMAQI
31st Jul 2026178 AMAQI
31st Jul 2026179 AMAQI
31st Jul 20261410 AMAQI
31st Jul 20261411 AMAQI
31st Jul 20261412 PMAQI
31st Jul 2026121 PMAQI
31st Jul 2026122 PMAQI
31st Jul 2026143 PMAQI
31st Jul 2026124 PMAQI
31st Jul 2026125 PMAQI
31st Jul 2026126 PMAQI
31st Jul 2026127 PMAQI
31st Jul 2026178 PMAQI
31st Jul 2026129 PMAQI
31st Jul 20261210 PMAQI
31st Jul 20261411 PMAQI
1st Aug 20261412 AMAQI
1st Aug 2026121 AMAQI
1st Aug 2026172 AMAQI
1st Aug 2026143 AMAQI
1st Aug 2026144 AMAQI
1st Aug 2026145 AMAQI
22°C21/23°C
1st Aug 2026176 AMAQI
1st Aug 2026147 AMAQI
1st Aug 2026148 AMAQI
1st Aug 2026149 AMAQI
1st Aug 20261710 AMAQI
1st Aug 20261411 AMAQI
1st Aug 20261712 PMAQI
1st Aug 2026141 PMAQI
1st Aug 2026142 PMAQI
1st Aug 2026173 PMAQI
1st Aug 2026174 PMAQI
1st Aug 2026175 PMAQI
1st Aug 2026146 PMAQI
1st Aug 2026147 PMAQI
1st Aug 2026178 PMAQI
1st Aug 2026149 PMAQI
1st Aug 20261210 PMAQI
1st Aug 20261711 PMAQI
2nd Aug 20261412 AMAQI
2nd Aug 2026141 AMAQI
2nd Aug 2026172 AMAQI
2nd Aug 2026173 AMAQI
2nd Aug 2026144 AMAQI
2nd Aug 2026145 AMAQI
22°C22/23°C
2nd Aug 2026176 AMAQI
2nd Aug 2026177 AMAQI
2nd Aug 2026208 AMAQI
2nd Aug 2026229 AMAQI
2nd Aug 20261410 AMAQI
2nd Aug 20261411 AMAQI
2nd Aug 20261412 PMAQI
2nd Aug 2026171 PMAQI
2nd Aug 2026172 PMAQI
2nd Aug 2026253 PMAQI
2nd Aug 2026334 PMAQI
2nd Aug 2026405 PMAQI
2nd Aug 2026306 PMAQI
2nd Aug 2026147 PMAQI
2nd Aug 2026218 PMAQI
2nd Aug 2026179 PMAQI
2nd Aug 20261710 PMAQI
2nd Aug 20261911 PMAQI
3rd Aug 20261912 AMAQI
3rd Aug 2026301 AMAQI
3rd Aug 2026252 AMAQI
3rd Aug 2026173 AMAQI
3rd Aug 2026174 AMAQI
3rd Aug 2026175 AMAQI
22°C21/22°C
3rd Aug 2026196 AMAQI
3rd Aug 2026147 AMAQI
3rd Aug 2026178 AMAQI
3rd Aug 2026179 AMAQI
3rd Aug 20261910 AMAQI
3rd Aug 20261911 AMAQI
3rd Aug 20261712 PMAQI
3rd Aug 2026171 PMAQI
3rd Aug 2026232 PMAQI
3rd Aug 2026193 PMAQI
3rd Aug 2026174 PMAQI
3rd Aug 2026195 PMAQI
3rd Aug 2026216 PMAQI
3rd Aug 2026217 PMAQI
3rd Aug 2026198 PMAQI
3rd Aug 2026199 PMAQI
3rd Aug 20262110 PMAQI
3rd Aug 20262111 PMAQI
4th Aug 20262312 AMAQI
4th Aug 2026211 AMAQI
4th Aug 2026192 AMAQI
4th Aug 2026173 AMAQI
4th Aug 2026194 AMAQI
4th Aug 2026215 AMAQI
22°C21/24°C
4th Aug 2026196 AMAQI
4th Aug 2026197 AMAQI
4th Aug 2026368 AMAQI
4th Aug 2026259 AMAQI
4th Aug 20262510 AMAQI
4th Aug 20262111 AMAQI
4th Aug 20262512 PMAQI
4th Aug 2026211 PMAQI
4th Aug 2026212 PMAQI
4th Aug 2026233 PMAQI
4th Aug 2026194 PMAQI
4th Aug 2026235 PMAQI
4th Aug 2026216 PMAQI
4th Aug 2026237 PMAQI
4th Aug 2026238 PMAQI
4th Aug 2026259 PMAQI
4th Aug 20262510 PMAQI
4th Aug 20262511 PMAQI
5th Aug 20262512 AMAQI
5th Aug 2026231 AMAQI
5th Aug 2026212 AMAQI
5th Aug 2026253 AMAQI
5th Aug 2026234 AMAQI
5th Aug 2026215 AMAQI
23°C22/24°C
5th Aug 2026216 AMAQI
5th Aug 2026217 AMAQI
5th Aug 2026408 AMAQI
5th Aug 2026509 AMAQI
5th Aug 20262310 AMAQI
5th Aug 20262311 AMAQI
5th Aug 20262312 PMAQI
5th Aug 2026361 PMAQI
5th Aug 2026512 PMAQI
5th Aug 2026503 PMAQI
5th Aug 2026484 PMAQI
5th Aug 2026255 PMAQI
5th Aug 2026256 PMAQI
5th Aug 2026277 PMAQI
5th Aug 2026238 PMAQI
5th Aug 2026259 PMAQI
5th Aug 20262310 PMAQI
5th Aug 20262111 PMAQI
6th Aug 20261912 AMAQI
6th Aug 2026231 AMAQI
6th Aug 2026502 AMAQI
6th Aug 2026233 AMAQI
6th Aug 2026214 AMAQI
6th Aug 2026235 AMAQI
23°C23/23°C
6th Aug 2026216 AMAQI
6th Aug 2026217 AMAQI
6th Aug 2026238 AMAQI
6th Aug 2026239 AMAQI
6th Aug 20262110 AMAQI
6th Aug 20262111 AMAQI
6th Aug 20261912 PMAQI
6th Aug 2026211 PMAQI
6th Aug 2026212 PMAQI
6th Aug 2026273 PMAQI
6th Aug 2026344 PMAQI
6th Aug 2026275 PMAQI
6th Aug 2026256 PMAQI
6th Aug 2026257 PMAQI
6th Aug 2026218 PMAQI
6th Aug 2026309 PMAQI
6th Aug 20263210 PMAQI
6th Aug 20262111 PMAQI
7th Aug 20262112 AMAQI
7th Aug 2026231 AMAQI
7th Aug 2026252 AMAQI
7th Aug 2026263 AMAQI
7th Aug 2026304 AMAQI
7th Aug 2026175 AMAQI
23°C22/23°C
7th Aug 2026196 AMAQI
7th Aug 2026217 AMAQI
7th Aug 2026198 AMAQI
7th Aug 2026179 AMAQI
7th Aug 20261710 AMAQI
7th Aug 20261711 AMAQI
7th Aug 20261412 PMAQI
7th Aug 2026141 PMAQI
7th Aug 2026172 PMAQI
7th Aug 2026173 PMAQI
7th Aug 2026214 PMAQI
7th Aug 2026165 PMAQI
7th Aug 2026196 PMAQI
7th Aug 2026217 PMAQI
7th Aug 2026218 PMAQI
7th Aug 2026179 PMAQI
7th Aug 20261710 PMAQI
7th Aug 20262111 PMAQI
8th Aug 20262112 AMAQI
8th Aug 2026171 AMAQI
8th Aug 2026212 AMAQI
8th Aug 2026193 AMAQI
8th Aug 2026234 AMAQI
8th Aug 2026235 AMAQI
21°C21/22°C
8th Aug 2026256 AMAQI
8th Aug 2026197 AMAQI
8th Aug 2026278 AMAQI
8th Aug 2026259 AMAQI
8th Aug 20262310 AMAQI
8th Aug 20262111 AMAQI
8th Aug 20261912 PMAQI
8th Aug 2026191 PMAQI
8th Aug 2026192 PMAQI
8th Aug 2026193 PMAQI
8th Aug 2026194 PMAQI
8th Aug 2026215 PMAQI
8th Aug 2026196 PMAQI
8th Aug 2026237 PMAQI
8th Aug 2026218 PMAQI
8th Aug 2026279 PMAQI
8th Aug 20264010 PMAQI
8th Aug 20262911 PMAQI
9th Aug 20263212 AMAQI
9th Aug 2026341 AMAQI
9th Aug 2026192 AMAQI
9th Aug 2026193 AMAQI
9th Aug 2026194 AMAQI
9th Aug 2026215 AMAQI
22°C21/22°C
9th Aug 2026196 AMAQI
6 AM9th Aug 2026177 AMAQI
9th Aug 2026258 AMAQI
9th Aug 2026409 AMAQI
9th Aug 20265110 AMAQI
9th Aug 20264011 AMAQI
9th Aug 20262112 PMAQI
9th Aug 2026191 PMAQI
1 PM9th Aug 2026212 PMAQI
9th Aug 2026253 PMAQI
9th Aug 2026274 PMAQI
9th Aug 2026235 PMAQI
9th Aug 2026296 PMAQI
9th Aug 2026337 PMAQI
9th Aug 2026318 PMAQI
9th Aug 2026429 PMAQI
9 PM9th Aug 20266010 PMAQI
9th Aug 20266811 PMAQI
1 AM
5 AM
23°C22/24°C
Day time
Avg. Highest Time
9 AM
25AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
6 AM - 7 AM
22AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 9 AM (Avg. 25), while the lowest AQI was between 6 AM to 7 AM (Avg. 22).
Night time
Avg. Highest Time
10 PM - 11 PM
25AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
4 AM - 5 AM
20AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 11 PM (Avg. 25), while the lowest AQI was between 4 AM to 5 AM (Avg. 20).
2026 Days Vs Air Quality
Horta, Azores, Portugal
2026
94%
205
6%
12
Total number of days with different AQI categories in last 221 days in 2026 (144 days remaining)
Good
205 DaysModerate
12 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2026, 94% of 221 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
Horta, Azores, 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
22AQI (US)
22AQI (US)
2nd January 2026
33AQI (US)
33AQI (US)
3rd January 2026
32AQI (US)
32AQI (US)
4th January 2026
15AQI (US)
15AQI (US)
5th January 2026
19AQI (US)
19AQI (US)
6th January 2026
21AQI (US)
21AQI (US)
7th January 2026
36AQI (US)
36AQI (US)
8th January 2026
34AQI (US)
34AQI (US)
9th January 2026
20AQI (US)
20AQI (US)
10th January 2026
12AQI (US)
12AQI (US)
11th January 2026
12AQI (US)
12AQI (US)
12th January 2026
21AQI (US)
21AQI (US)
13th January 2026
19AQI (US)
19AQI (US)
14th January 2026
21AQI (US)
21AQI (US)
15th January 2026
25AQI (US)
25AQI (US)
16th January 2026
27AQI (US)
27AQI (US)
17th January 2026
25AQI (US)
25AQI (US)
18th January 2026
24AQI (US)
24AQI (US)
19th January 2026
28AQI (US)
28AQI (US)
20th January 2026
28AQI (US)
28AQI (US)
21st January 2026
32AQI (US)
32AQI (US)
22nd January 2026
47AQI (US)
47AQI (US)
23rd January 2026
63AQI (US)
63AQI (US)
24th January 2026
44AQI (US)
44AQI (US)
25th January 2026
53AQI (US)
53AQI (US)
26th January 2026
49AQI (US)
49AQI (US)
27th January 2026
40AQI (US)
40AQI (US)
28th January 2026
43AQI (US)
43AQI (US)
29th January 2026
48AQI (US)
48AQI (US)
30th January 2026
59AQI (US)
59AQI (US)
31st January 2026
43AQI (US)
43AQI (US)
1st February 2026
47AQI (US)
47AQI (US)
2nd February 2026
50AQI (US)
50AQI (US)
3rd February 2026
48AQI (US)
48AQI (US)
4th February 2026
45AQI (US)
45AQI (US)
5th February 2026
51AQI (US)
51AQI (US)
6th February 2026
47AQI (US)
47AQI (US)
7th February 2026
41AQI (US)
41AQI (US)
8th February 2026
44AQI (US)
44AQI (US)
9th February 2026
50AQI (US)
50AQI (US)
10th February 2026
45AQI (US)
45AQI (US)
11th February 2026
40AQI (US)
40AQI (US)
12th February 2026
37AQI (US)
37AQI (US)
13th February 2026
46AQI (US)
46AQI (US)
14th February 2026
51AQI (US)
51AQI (US)
15th February 2026
44AQI (US)
44AQI (US)
16th February 2026
48AQI (US)
48AQI (US)
17th February 2026
61AQI (US)
61AQI (US)
18th February 2026
46AQI (US)
46AQI (US)
19th February 2026
42AQI (US)
42AQI (US)
20th February 2026
36AQI (US)
36AQI (US)
21st February 2026
36AQI (US)
36AQI (US)
22nd February 2026
35AQI (US)
35AQI (US)
23rd February 2026
51AQI (US)
51AQI (US)
24th February 2026
57AQI (US)
57AQI (US)
25th February 2026
36AQI (US)
36AQI (US)
26th February 2026
29AQI (US)
29AQI (US)
27th February 2026
38AQI (US)
38AQI (US)
28th February 2026
30AQI (US)
30AQI (US)
1st March 2026
33AQI (US)
33AQI (US)
2nd March 2026
53AQI (US)
53AQI (US)
3rd March 2026
34AQI (US)
34AQI (US)
4th March 2026
36AQI (US)
36AQI (US)
5th March 2026
40AQI (US)
40AQI (US)
6th March 2026
29AQI (US)
29AQI (US)
7th March 2026
39AQI (US)
39AQI (US)
8th March 2026
37AQI (US)
37AQI (US)
9th March 2026
38AQI (US)
38AQI (US)
10th March 2026
30AQI (US)
30AQI (US)
11th March 2026
40AQI (US)
40AQI (US)
12th March 2026
40AQI (US)
40AQI (US)
13th March 2026
46AQI (US)
46AQI (US)
14th March 2026
44AQI (US)
44AQI (US)
15th March 2026
18AQI (US)
18AQI (US)
16th March 2026
28AQI (US)
28AQI (US)
17th March 2026
36AQI (US)
36AQI (US)
18th March 2026
31AQI (US)
31AQI (US)
19th March 2026
31AQI (US)
31AQI (US)
20th March 2026
38AQI (US)
38AQI (US)
21st March 2026
40AQI (US)
40AQI (US)
22nd March 2026
34AQI (US)
34AQI (US)
23rd March 2026
41AQI (US)
41AQI (US)
24th March 2026
36AQI (US)
36AQI (US)
25th March 2026
34AQI (US)
34AQI (US)
26th March 2026
32AQI (US)
32AQI (US)
27th March 2026
28AQI (US)
28AQI (US)
28th March 2026
32AQI (US)
32AQI (US)
29th March 2026
27AQI (US)
27AQI (US)
30th March 2026
25AQI (US)
25AQI (US)
31st March 2026
27AQI (US)
27AQI (US)
1st April 2026
43AQI (US)
43AQI (US)
2nd April 2026
35AQI (US)
35AQI (US)
3rd April 2026
24AQI (US)
24AQI (US)
4th April 2026
31AQI (US)
31AQI (US)
5th April 2026
33AQI (US)
33AQI (US)
6th April 2026
31AQI (US)
31AQI (US)
7th April 2026
30AQI (US)
30AQI (US)
8th April 2026
39AQI (US)
39AQI (US)
9th April 2026
30AQI (US)
30AQI (US)
10th April 2026
29AQI (US)
29AQI (US)
11th April 2026
32AQI (US)
32AQI (US)
12th April 2026
28AQI (US)
28AQI (US)
13th April 2026
30AQI (US)
30AQI (US)
14th April 2026
30AQI (US)
30AQI (US)
15th April 2026
33AQI (US)
33AQI (US)
16th April 2026
33AQI (US)
33AQI (US)
17th April 2026
18th April 2026
54AQI (US)
54AQI (US)
19th April 2026
59AQI (US)
59AQI (US)
20th April 2026
52AQI (US)
52AQI (US)
21st April 2026
34AQI (US)
34AQI (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
30AQI (US)
30AQI (US)
27th April 2026
31AQI (US)
31AQI (US)
28th April 2026
26AQI (US)
26AQI (US)
29th April 2026
26AQI (US)
26AQI (US)
30th April 2026
26AQI (US)
26AQI (US)
1st May 2026
27AQI (US)
27AQI (US)
2nd May 2026
24AQI (US)
24AQI (US)
3rd May 2026
20AQI (US)
20AQI (US)
4th May 2026
32AQI (US)
32AQI (US)
5th May 2026
39AQI (US)
39AQI (US)
6th May 2026
33AQI (US)
33AQI (US)
7th May 2026
28AQI (US)
28AQI (US)
8th May 2026
27AQI (US)
27AQI (US)
9th May 2026
10th May 2026
32AQI (US)
32AQI (US)
11th May 2026
27AQI (US)
27AQI (US)
12th May 2026
31AQI (US)
31AQI (US)
13th May 2026
27AQI (US)
27AQI (US)
14th May 2026
26AQI (US)
26AQI (US)
15th May 2026
34AQI (US)
34AQI (US)
16th May 2026
42AQI (US)
42AQI (US)
17th May 2026
39AQI (US)
39AQI (US)
18th May 2026
38AQI (US)
38AQI (US)
19th May 2026
37AQI (US)
37AQI (US)
20th May 2026
37AQI (US)
37AQI (US)
21st May 2026
38AQI (US)
38AQI (US)
22nd May 2026
40AQI (US)
40AQI (US)
23rd May 2026
40AQI (US)
40AQI (US)
24th May 2026
49AQI (US)
49AQI (US)
25th May 2026
37AQI (US)
37AQI (US)
26th May 2026
27AQI (US)
27AQI (US)
27th May 2026
24AQI (US)
24AQI (US)
28th May 2026
23AQI (US)
23AQI (US)
29th May 2026
22AQI (US)
22AQI (US)
30th May 2026
22AQI (US)
22AQI (US)
31st May 2026
22AQI (US)
22AQI (US)
1st June 2026
24AQI (US)
24AQI (US)
2nd June 2026
23AQI (US)
23AQI (US)
3rd June 2026
23AQI (US)
23AQI (US)
4th June 2026
18AQI (US)
18AQI (US)
5th June 2026
21AQI (US)
21AQI (US)
6th June 2026
22AQI (US)
22AQI (US)
7th June 2026
17AQI (US)
17AQI (US)
8th June 2026
21AQI (US)
21AQI (US)
9th June 2026
18AQI (US)
18AQI (US)
10th June 2026
21AQI (US)
21AQI (US)
11th June 2026
21AQI (US)
21AQI (US)
12th June 2026
22AQI (US)
22AQI (US)
13th June 2026
21AQI (US)
21AQI (US)
14th June 2026
20AQI (US)
20AQI (US)
15th June 2026
15AQI (US)
15AQI (US)
16th June 2026
21AQI (US)
21AQI (US)
17th June 2026
21AQI (US)
21AQI (US)
18th June 2026
22AQI (US)
22AQI (US)
19th June 2026
21AQI (US)
21AQI (US)
20th June 2026
21AQI (US)
21AQI (US)
21st June 2026
16AQI (US)
16AQI (US)
22nd June 2026
19AQI (US)
19AQI (US)
23rd June 2026
19AQI (US)
19AQI (US)
24th June 2026
19AQI (US)
19AQI (US)
25th June 2026
18AQI (US)
18AQI (US)
26th June 2026
20AQI (US)
20AQI (US)
27th June 2026
22AQI (US)
22AQI (US)
28th June 2026
21AQI (US)
21AQI (US)
29th June 2026
20AQI (US)
20AQI (US)
30th June 2026
17AQI (US)
17AQI (US)
1st July 2026
22AQI (US)
22AQI (US)
2nd July 2026
15AQI (US)
15AQI (US)
3rd July 2026
20AQI (US)
20AQI (US)
4th July 2026
17AQI (US)
17AQI (US)
5th July 2026
15AQI (US)
15AQI (US)
6th July 2026
16AQI (US)
16AQI (US)
7th July 2026
27AQI (US)
27AQI (US)
8th July 2026
42AQI (US)
42AQI (US)
9th July 2026
29AQI (US)
29AQI (US)
10th July 2026
23AQI (US)
23AQI (US)
11th July 2026
27AQI (US)
27AQI (US)
12th July 2026
25AQI (US)
25AQI (US)
13th July 2026
22AQI (US)
22AQI (US)
14th July 2026
16AQI (US)
16AQI (US)
15th July 2026
18AQI (US)
18AQI (US)
16th July 2026
44AQI (US)
44AQI (US)
17th July 2026
25AQI (US)
25AQI (US)
18th July 2026
19AQI (US)
19AQI (US)
19th July 2026
17AQI (US)
17AQI (US)
20th July 2026
20AQI (US)
20AQI (US)
21st July 2026
29AQI (US)
29AQI (US)
22nd July 2026
32AQI (US)
32AQI (US)
23rd July 2026
32AQI (US)
32AQI (US)
24th July 2026
31AQI (US)
31AQI (US)
25th July 2026
27AQI (US)
27AQI (US)
26th July 2026
27AQI (US)
27AQI (US)
27th July 2026
21AQI (US)
21AQI (US)
28th July 2026
13AQI (US)
13AQI (US)
29th July 2026
15AQI (US)
15AQI (US)
30th July 2026
20AQI (US)
20AQI (US)
31st July 2026
14AQI (US)
14AQI (US)
1st August 2026
15AQI (US)
15AQI (US)
2nd August 2026
19AQI (US)
19AQI (US)
3rd August 2026
19AQI (US)
19AQI (US)
4th August 2026
22AQI (US)
22AQI (US)
5th August 2026
29AQI (US)
29AQI (US)
6th August 2026
25AQI (US)
25AQI (US)
7th August 2026
19AQI (US)
19AQI (US)
8th August 2026
22AQI (US)
22AQI (US)
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
32AQI (US)
44AQI (US)
35AQI (US)
33AQI (US)
31AQI (US)
20AQI (US)
23AQI (US)
21AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202631AQI (US)
28
3
23
5
30
1
25
3
30
30
31
8
205
12
Highest AQI (US) recorded in
February44AQI (US)
Lowest AQI (US) recorded in
June20AQI (US)
202529AQI (US)
30
1
28
31
30
31
30
31
30
1
30
31
28
2
31
361
4
Highest AQI (US) recorded in
August35AQI (US)
Lowest AQI (US) recorded in
April19AQI (US)
202432AQI (US)
22
8
16
6
1
23
16
12
30
31
31
7
30
1
29
1
29
2
276
18
1
Highest AQI (US) recorded in
February45AQI (US)
Lowest AQI (US) recorded in
November25AQI (US)
202338AQI (US)
1
18
2
4
7
2
7
12
17
9
31
28
2
31
29
29
1
20
11
24
1
31
252
61
4
Highest AQI (US) recorded in
January77AQI (US)
Lowest AQI (US) recorded in
July20AQI (US)
202241AQI (US)
29
4
14
30
22
2
27
9
1
14
16
1
6
4
8
1
152
23
4
8
1
Highest AQI (US) recorded in
December127AQI (US)
Lowest AQI (US) recorded in
July18AQI (US)
202129AQI (US)
30
28
31
30
30
25
27
2
2
14
6
1
1
6
30
22
28
2
31
326
10
3
1
6
Highest AQI (US) recorded in
August118AQI (US)
Lowest AQI (US) recorded in
June9AQI (US)
202027AQI (US)
13
12
1
5
2
1
18
30
30
27
23
31
30
28
242
1
5
2
1
Highest AQI (US) recorded in
April88AQI (US)
Lowest AQI (US) recorded in
December10AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2022(Avg.)
41AQI (US)Least Polluted Year Recorded
2020(Avg.)
27AQI (US)Horta's annual 2026 AQI (US) (31) shows an average percentage change of -2.8% (improved AQI (US)) compared to previous years: 2020 (27), 2021 (29), 2022 (41), 2023 (38), 2024 (32), 2025 (29).
