EMCT SEPA, San Juan, Puerto Rico, United States 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
EMCT SEPA, San Juan, Puerto Rico, United States
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
7th Jul 2025
112AQILowest AQI recorded on
6th Jul 2026
21AQISame Day Analysis (12th July):
On this day, AQI across the 3 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: 11th Jul - 12th Jul 2026
EMCT SEPA, San Juan, Puerto Rico, United States
AQI
Day
Night
.
5 AM11th Jul 2026
7 PM
4 AM12th Jul 2026
Day time
Avg. Highest Time
7AM11th Jul
34AQI
Avg. Lowest Time
1PM11th Jul
14AQI
Night time
Avg. Highest Time
8PM11th Jul
32AQI
Avg. Lowest Time
2AM12th Jul
21AQI
In the last 24 hours,
EMCT SEPA's AQI reached its highest point of 34 at 7 AM during the Day, while the lowest point, 14, was recorded at 1 PM during the Day between 11th Jul and 12th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
EMCT SEPA, San Juan, Puerto Rico, United States
JunJul
13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th
Day
Night
13th Jun 2026825 AMAQI
13th Jun 2026736 AMAQI
13th Jun 2026587 AMAQI
13th Jun 2026468 AMAQI
13th Jun 2026609 AMAQI
13th Jun 20267110 AMAQI
13th Jun 20265011 AMAQI
13th Jun 20266212 PMAQI
13th Jun 2026271 PMAQI
13th Jun 2026302 PMAQI
13th Jun 2026313 PMAQI
13th Jun 2026324 PMAQI
13th Jun 2026385 PMAQI
13th Jun 2026246 PMAQI
13th Jun 2026317 PMAQI
13th Jun 2026248 PMAQI
13th Jun 2026269 PMAQI
13th Jun 20262310 PMAQI
13th Jun 20265811 PMAQI
14th Jun 20262712 AMAQI
14th Jun 2026331 AMAQI
14th Jun 2026212 AMAQI
14th Jun 2026243 AMAQI
14th Jun 2026354 AMAQI
27°C24/31°C
14th Jun 2026335 AMAQI
14th Jun 2026226 AMAQI
14th Jun 2026247 AMAQI
14th Jun 2026228 AMAQI
14th Jun 2026639 AMAQI
14th Jun 20262610 AMAQI
14th Jun 20266011 AMAQI
14th Jun 20264212 PMAQI
14th Jun 2026421 PMAQI
14th Jun 2026482 PMAQI
14th Jun 2026323 PMAQI
14th Jun 2026424 PMAQI
14th Jun 2026335 PMAQI
14th Jun 2026336 PMAQI
14th Jun 2026347 PMAQI
14th Jun 2026328 PMAQI
14th Jun 2026229 PMAQI
14th Jun 20264410 PMAQI
14th Jun 20263411 PMAQI
15th Jun 20263612 AMAQI
15th Jun 2026251 AMAQI
15th Jun 2026492 AMAQI
15th Jun 2026603 AMAQI
15th Jun 2026694 AMAQI
27°C23/31°C
15th Jun 2026605 AMAQI
15th Jun 2026866 AMAQI
15th Jun 2026657 AMAQI
15th Jun 2026828 AMAQI
15th Jun 2026369 AMAQI
15th Jun 20266010 AMAQI
15th Jun 20265211 AMAQI
15th Jun 20267512 PMAQI
15th Jun 2026331 PMAQI
15th Jun 2026792 PMAQI
15th Jun 2026543 PMAQI
15th Jun 2026594 PMAQI
15th Jun 2026545 PMAQI
15th Jun 2026686 PMAQI
15th Jun 2026467 PMAQI
15th Jun 2026508 PMAQI
15th Jun 2026509 PMAQI
15th Jun 20266010 PMAQI
15th Jun 20265811 PMAQI
16th Jun 20263812 AMAQI
16th Jun 2026381 AMAQI
16th Jun 2026232 AMAQI
16th Jun 20261003 AMAQI
16th Jun 2026234 AMAQI
27°C23/31°C
16th Jun 2026695 AMAQI
16th Jun 2026246 AMAQI
16th Jun 2026697 AMAQI
16th Jun 2026228 AMAQI
16th Jun 20261029 AMAQI
16th Jun 20267510 AMAQI
16th Jun 20263311 AMAQI
16th Jun 20264212 PMAQI
16th Jun 2026801 PMAQI
16th Jun 2026582 PMAQI
16th Jun 2026403 PMAQI
16th Jun 2026384 PMAQI
16th Jun 2026185 PMAQI
16th Jun 2026326 PMAQI
16th Jun 2026407 PMAQI
16th Jun 2026598 PMAQI
16th Jun 2026299 PMAQI
16th Jun 20263010 PMAQI
16th Jun 20262011 PMAQI
17th Jun 20262812 AMAQI
17th Jun 2026281 AMAQI
17th Jun 2026462 AMAQI
17th Jun 2026463 AMAQI
17th Jun 2026404 AMAQI
26°C23/30°C
17th Jun 2026605 AMAQI
17th Jun 2026786 AMAQI
17th Jun 2026467 AMAQI
17th Jun 2026578 AMAQI
17th Jun 2026409 AMAQI
17th Jun 20266610 AMAQI
17th Jun 20266711 AMAQI
17th Jun 20262912 PMAQI
17th Jun 2026301 PMAQI
17th Jun 2026322 PMAQI
17th Jun 2026383 PMAQI
17th Jun 2026594 PMAQI
17th Jun 2026295 PMAQI
17th Jun 2026186 PMAQI
17th Jun 2026367 PMAQI
17th Jun 2026428 PMAQI
17th Jun 2026549 PMAQI
17th Jun 20263810 PMAQI
17th Jun 20264411 PMAQI
18th Jun 20265812 AMAQI
18th Jun 20261111 AMAQI
18th Jun 2026402 AMAQI
18th Jun 2026283 AMAQI
18th Jun 2026274 AMAQI
27°C23/31°C
18th Jun 2026245 AMAQI
18th Jun 2026906 AMAQI
18th Jun 2026257 AMAQI
18th Jun 2026248 AMAQI
18th Jun 2026289 AMAQI
18th Jun 20263010 AMAQI
18th Jun 20262711 AMAQI
18th Jun 20262612 PMAQI
18th Jun 2026261 PMAQI
18th Jun 2026682 PMAQI
18th Jun 2026573 PMAQI
18th Jun 2026564 PMAQI
18th Jun 2026625 PMAQI
18th Jun 2026346 PMAQI
18th Jun 2026347 PMAQI
18th Jun 2026448 PMAQI
18th Jun 2026369 PMAQI
18th Jun 20264610 PMAQI
18th Jun 20265211 PMAQI
19th Jun 20269412 AMAQI
19th Jun 2026921 AMAQI
19th Jun 2026602 AMAQI
19th Jun 2026523 AMAQI
19th Jun 2026234 AMAQI
27°C23/31°C
19th Jun 2026565 AMAQI
19th Jun 2026836 AMAQI
19th Jun 2026207 AMAQI
19th Jun 2026328 AMAQI
19th Jun 2026239 AMAQI
19th Jun 20262410 AMAQI
19th Jun 20265411 AMAQI
19th Jun 20262812 PMAQI
19th Jun 2026261 PMAQI
19th Jun 2026262 PMAQI
19th Jun 2026453 PMAQI
19th Jun 2026624 PMAQI
19th Jun 2026705 PMAQI
19th Jun 2026766 PMAQI
19th Jun 2026557 PMAQI
19th Jun 2026458 PMAQI
19th Jun 20261329 PMAQI
19th Jun 20264910 PMAQI
19th Jun 20263211 PMAQI
20th Jun 20262412 AMAQI
20th Jun 2026411 AMAQI
20th Jun 2026562 AMAQI
20th Jun 2026483 AMAQI
20th Jun 2026254 AMAQI
27°C24/31°C
20th Jun 2026265 AMAQI
20th Jun 2026426 AMAQI
20th Jun 2026497 AMAQI
20th Jun 2026768 AMAQI
20th Jun 2026789 AMAQI
20th Jun 20262810 AMAQI
20th Jun 20265711 AMAQI
20th Jun 20262812 PMAQI
20th Jun 2026541 PMAQI
20th Jun 2026362 PMAQI
20th Jun 2026323 PMAQI
20th Jun 2026245 PMAQI
20th Jun 2026246 PMAQI
20th Jun 2026237 PMAQI
20th Jun 2026208 PMAQI
20th Jun 2026219 PMAQI
20th Jun 20262010 PMAQI
20th Jun 20262211 PMAQI
21st Jun 20262312 AMAQI
21st Jun 2026251 AMAQI
21st Jun 2026272 AMAQI
21st Jun 2026783 AMAQI
21st Jun 2026844 AMAQI
27°C24/31°C
21st Jun 2026465 AMAQI
21st Jun 2026206 AMAQI
21st Jun 2026447 AMAQI
21st Jun 2026338 AMAQI
21st Jun 2026339 AMAQI
21st Jun 20264110 AMAQI
21st Jun 20264211 AMAQI
21st Jun 20266612 PMAQI
21st Jun 2026431 PMAQI
21st Jun 2026512 PMAQI
21st Jun 2026213 PMAQI
21st Jun 2026204 PMAQI
21st Jun 2026265 PMAQI
21st Jun 2026256 PMAQI
21st Jun 2026277 PMAQI
21st Jun 2026298 PMAQI
21st Jun 2026279 PMAQI
21st Jun 20262710 PMAQI
21st Jun 20263611 PMAQI
22nd Jun 20265912 AMAQI
22nd Jun 2026441 AMAQI
22nd Jun 2026522 AMAQI
22nd Jun 2026223 AMAQI
22nd Jun 2026484 AMAQI
27°C25/31°C
22nd Jun 2026225 AMAQI
22nd Jun 2026206 AMAQI
22nd Jun 2026197 AMAQI
22nd Jun 2026508 AMAQI
22nd Jun 2026469 AMAQI
22nd Jun 20266510 AMAQI
22nd Jun 20264411 AMAQI
22nd Jun 20265412 PMAQI
22nd Jun 2026281 PMAQI
22nd Jun 2026502 PMAQI
22nd Jun 2026363 PMAQI
22nd Jun 2026334 PMAQI
22nd Jun 2026365 PMAQI
22nd Jun 2026226 PMAQI
22nd Jun 2026317 PMAQI
22nd Jun 2026278 PMAQI
22nd Jun 2026319 PMAQI
22nd Jun 20263310 PMAQI
22nd Jun 20262811 PMAQI
23rd Jun 20264012 AMAQI
23rd Jun 2026291 AMAQI
23rd Jun 2026342 AMAQI
23rd Jun 2026383 AMAQI
23rd Jun 2026304 AMAQI
27°C24/31°C
23rd Jun 2026345 AMAQI
23rd Jun 2026386 AMAQI
23rd Jun 2026427 AMAQI
23rd Jun 2026648 AMAQI
23rd Jun 2026509 AMAQI
23rd Jun 20263610 AMAQI
23rd Jun 20264211 AMAQI
23rd Jun 20263412 PMAQI
23rd Jun 2026381 PMAQI
23rd Jun 2026322 PMAQI
23rd Jun 2026483 PMAQI
23rd Jun 2026444 PMAQI
23rd Jun 2026525 PMAQI
23rd Jun 2026246 PMAQI
23rd Jun 2026547 PMAQI
23rd Jun 2026548 PMAQI
23rd Jun 2026489 PMAQI
23rd Jun 20264410 PMAQI
23rd Jun 20265411 PMAQI
24th Jun 20264612 AMAQI
24th Jun 2026461 AMAQI
24th Jun 2026712 AMAQI
24th Jun 2026723 AMAQI
24th Jun 2026644 AMAQI
27°C25/29°C
24th Jun 2026545 AMAQI
24th Jun 2026586 AMAQI
24th Jun 2026447 AMAQI
24th Jun 2026528 AMAQI
24th Jun 2026409 AMAQI
24th Jun 20266210 AMAQI
24th Jun 20264111 AMAQI
24th Jun 20265812 PMAQI
24th Jun 2026281 PMAQI
24th Jun 2026262 PMAQI
24th Jun 2026463 PMAQI
24th Jun 2026634 PMAQI
24th Jun 2026365 PMAQI
24th Jun 2026386 PMAQI
24th Jun 2026367 PMAQI
24th Jun 2026368 PMAQI
24th Jun 2026819 PMAQI
24th Jun 20265810 PMAQI
24th Jun 20264811 PMAQI
25th Jun 20263112 AMAQI
25th Jun 2026341 AMAQI
25th Jun 2026262 AMAQI
25th Jun 2026293 AMAQI
25th Jun 2026264 AMAQI
27°C23/31°C
25th Jun 2026225 AMAQI
25th Jun 2026246 AMAQI
25th Jun 2026227 AMAQI
25th Jun 2026338 AMAQI
25th Jun 2026249 AMAQI
25th Jun 20263410 AMAQI
25th Jun 20262711 AMAQI
25th Jun 20262812 PMAQI
25th Jun 2026271 PMAQI
25th Jun 2026242 PMAQI
25th Jun 2026273 PMAQI
25th Jun 2026244 PMAQI
25th Jun 2026235 PMAQI
25th Jun 2026216 PMAQI
25th Jun 2026227 PMAQI
25th Jun 2026288 PMAQI
25th Jun 2026449 PMAQI
25th Jun 20263210 PMAQI
25th Jun 20263311 PMAQI
26th Jun 20262812 AMAQI
26th Jun 2026281 AMAQI
26th Jun 2026222 AMAQI
26th Jun 2026223 AMAQI
26th Jun 2026244 AMAQI
27°C25/31°C
26th Jun 2026355 AMAQI
26th Jun 2026236 AMAQI
26th Jun 20261217 AMAQI
26th Jun 2026758 AMAQI
26th Jun 2026589 AMAQI
26th Jun 202611210 AMAQI
26th Jun 20267811 AMAQI
26th Jun 20262612 PMAQI
26th Jun 2026191 PMAQI
26th Jun 2026302 PMAQI
26th Jun 2026303 PMAQI
26th Jun 2026304 PMAQI
26th Jun 2026265 PMAQI
26th Jun 2026286 PMAQI
26th Jun 2026347 PMAQI
26th Jun 2026298 PMAQI
26th Jun 2026309 PMAQI
26th Jun 20263010 PMAQI
26th Jun 20263411 PMAQI
27th Jun 20263612 AMAQI
27th Jun 2026381 AMAQI
27th Jun 2026372 AMAQI
27th Jun 2026283 AMAQI
27th Jun 2026424 AMAQI
27°C24/32°C
27th Jun 2026305 AMAQI
27th Jun 2026316 AMAQI
27th Jun 2026427 AMAQI
27th Jun 2026308 AMAQI
27th Jun 2026309 AMAQI
27th Jun 20263210 AMAQI
27th Jun 20263211 AMAQI
27th Jun 20261812 PMAQI
27th Jun 2026101 PMAQI
27th Jun 2026312 PMAQI
27th Jun 2026323 PMAQI
27th Jun 2026224 PMAQI
27th Jun 2026305 PMAQI
27th Jun 2026286 PMAQI
27th Jun 2026277 PMAQI
27th Jun 2026278 PMAQI
27th Jun 2026309 PMAQI
27th Jun 20262910 PMAQI
27th Jun 20263211 PMAQI
28th Jun 20262812 AMAQI
28th Jun 2026231 AMAQI
28th Jun 2026262 AMAQI
28th Jun 2026213 AMAQI
28th Jun 2026244 AMAQI
27°C23/31°C
28th Jun 2026245 AMAQI
28th Jun 2026226 AMAQI
28th Jun 2026257 AMAQI
28th Jun 2026278 AMAQI
28th Jun 2026289 AMAQI
28th Jun 20262910 AMAQI
28th Jun 20262811 AMAQI
28th Jun 20261712 PMAQI
28th Jun 2026281 PMAQI
28th Jun 2026282 PMAQI
28th Jun 2026293 PMAQI
28th Jun 2026284 PMAQI
28th Jun 2026265 PMAQI
28th Jun 2026286 PMAQI
28th Jun 2026267 PMAQI
28th Jun 2026308 PMAQI
28th Jun 2026259 PMAQI
28th Jun 20262210 PMAQI
28th Jun 20262011 PMAQI
29th Jun 20263612 AMAQI
29th Jun 2026341 AMAQI
29th Jun 2026322 AMAQI
29th Jun 2026323 AMAQI
29th Jun 2026274 AMAQI
28°C25/31°C
29th Jun 2026215 AMAQI
29th Jun 2026236 AMAQI
29th Jun 2026307 AMAQI
29th Jun 2026338 AMAQI
29th Jun 2026289 AMAQI
29th Jun 20262610 AMAQI
29th Jun 20262611 AMAQI
29th Jun 20263112 PMAQI
29th Jun 2026281 PMAQI
29th Jun 2026232 PMAQI
29th Jun 2026243 PMAQI
29th Jun 2026164 PMAQI
29th Jun 2026215 PMAQI
29th Jun 202686 PMAQI
29th Jun 2026227 PMAQI
29th Jun 2026298 PMAQI
29th Jun 2026299 PMAQI
29th Jun 20262910 PMAQI
29th Jun 20262611 PMAQI
30th Jun 20263412 AMAQI
30th Jun 2026331 AMAQI
30th Jun 2026332 AMAQI
30th Jun 2026423 AMAQI
30th Jun 2026344 AMAQI
28°C24/32°C
30th Jun 2026305 AMAQI
30th Jun 2026316 AMAQI
30th Jun 2026277 AMAQI
30th Jun 2026298 AMAQI
30th Jun 2026299 AMAQI
30th Jun 20262210 AMAQI
30th Jun 20262611 AMAQI
30th Jun 20261612 PMAQI
30th Jun 2026221 PMAQI
30th Jun 2026232 PMAQI
30th Jun 2026233 PMAQI
30th Jun 2026194 PMAQI
30th Jun 2026205 PMAQI
30th Jun 2026276 PMAQI
30th Jun 2026217 PMAQI
30th Jun 2026238 PMAQI
30th Jun 2026289 PMAQI
30th Jun 20262810 PMAQI
30th Jun 20261911 PMAQI
1st Jul 20262712 AMAQI
1st Jul 2026281 AMAQI
1st Jul 2026282 AMAQI
1st Jul 2026293 AMAQI
1st Jul 2026264 AMAQI
28°C24/32°C
1st Jul 2026245 AMAQI
1st Jul 2026266 AMAQI
1st Jul 2026287 AMAQI
1st Jul 2026288 AMAQI
1st Jul 2026289 AMAQI
1st Jul 20263010 AMAQI
1st Jul 20263011 AMAQI
1st Jul 20263012 PMAQI
1st Jul 2026301 PMAQI
1st Jul 2026242 PMAQI
1st Jul 2026283 PMAQI
1st Jul 2026234 PMAQI
1st Jul 2026305 PMAQI
1st Jul 2026266 PMAQI
1st Jul 2026307 PMAQI
1st Jul 2026278 PMAQI
1st Jul 2026469 PMAQI
1st Jul 20264610 PMAQI
1st Jul 20264811 PMAQI
2nd Jul 20263312 AMAQI
2nd Jul 2026231 AMAQI
2nd Jul 2026242 AMAQI
2nd Jul 2026243 AMAQI
2nd Jul 2026264 AMAQI
27°C24/31°C
2nd Jul 2026325 AMAQI
2nd Jul 2026406 AMAQI
2nd Jul 2026467 AMAQI
2nd Jul 2026368 AMAQI
2nd Jul 2026339 AMAQI
2nd Jul 20263610 AMAQI
2nd Jul 20263111 AMAQI
2nd Jul 20262912 PMAQI
2nd Jul 2026261 PMAQI
2nd Jul 2026292 PMAQI
2nd Jul 2026253 PMAQI
2nd Jul 2026364 PMAQI
2nd Jul 2026305 PMAQI
2nd Jul 2026346 PMAQI
2nd Jul 2026367 PMAQI
2nd Jul 2026338 PMAQI
2nd Jul 2026249 PMAQI
2nd Jul 20263410 PMAQI
2nd Jul 20262611 PMAQI
3rd Jul 20262812 AMAQI
3rd Jul 2026301 AMAQI
3rd Jul 2026342 AMAQI
3rd Jul 2026303 AMAQI
3rd Jul 2026304 AMAQI
27°C24/31°C
3rd Jul 2026275 AMAQI
3rd Jul 2026346 AMAQI
3rd Jul 2026447 AMAQI
3rd Jul 2026388 AMAQI
3rd Jul 2026279 AMAQI
3rd Jul 20262610 AMAQI
3rd Jul 20262611 AMAQI
3rd Jul 20262112 PMAQI
3rd Jul 2026301 PMAQI
3rd Jul 2026302 PMAQI
3rd Jul 2026263 PMAQI
3rd Jul 2026244 PMAQI
3rd Jul 2026255 PMAQI
3rd Jul 2026236 PMAQI
3rd Jul 2026287 PMAQI
3rd Jul 2026298 PMAQI
3rd Jul 2026169 PMAQI
3rd Jul 20262610 PMAQI
3rd Jul 20262611 PMAQI
4th Jul 20261612 AMAQI
4th Jul 2026241 AMAQI
4th Jul 2026212 AMAQI
4th Jul 2026163 AMAQI
4th Jul 2026164 AMAQI
28°C25/31°C
4th Jul 2026225 AMAQI
4th Jul 2026216 AMAQI
4th Jul 2026277 AMAQI
4th Jul 2026408 AMAQI
4th Jul 2026449 AMAQI
4th Jul 20263610 AMAQI
4th Jul 20263011 AMAQI
4th Jul 20264012 PMAQI
4th Jul 2026241 PMAQI
4th Jul 2026252 PMAQI
4th Jul 2026123 PMAQI
4th Jul 2026154 PMAQI
4th Jul 2026235 PMAQI
4th Jul 2026176 PMAQI
4th Jul 2026247 PMAQI
4th Jul 2026328 PMAQI
4th Jul 2026349 PMAQI
4th Jul 20263610 PMAQI
4th Jul 20264211 PMAQI
5th Jul 20263412 AMAQI
5th Jul 2026461 AMAQI
5th Jul 2026422 AMAQI
5th Jul 2026983 AMAQI
5th Jul 2026384 AMAQI
27°C25/32°C
5th Jul 2026515 AMAQI
5th Jul 2026786 AMAQI
5th Jul 2026607 AMAQI
5th Jul 2026568 AMAQI
5th Jul 2026549 AMAQI
5th Jul 20264910 AMAQI
5th Jul 20263611 AMAQI
5th Jul 20263812 PMAQI
5th Jul 2026351 PMAQI
5th Jul 2026402 PMAQI
5th Jul 2026403 PMAQI
5th Jul 2026344 PMAQI
5th Jul 2026315 PMAQI
5th Jul 2026286 PMAQI
5th Jul 2026327 PMAQI
5th Jul 2026368 PMAQI
5th Jul 2026269 PMAQI
5th Jul 20262810 PMAQI
5th Jul 20263111 PMAQI
6th Jul 20263812 AMAQI
6th Jul 2026231 AMAQI
6th Jul 2026302 AMAQI
6th Jul 2026253 AMAQI
6th Jul 2026294 AMAQI
27°C24/31°C
6th Jul 2026295 AMAQI
6th Jul 2026446 AMAQI
6th Jul 2026387 AMAQI
6th Jul 2026328 AMAQI
6th Jul 2026219 AMAQI
6th Jul 20261610 AMAQI
6th Jul 20261211 AMAQI
6th Jul 20261212 PMAQI
6th Jul 202681 PMAQI
6th Jul 2026182 PMAQI
6th Jul 2026103 PMAQI
6th Jul 2026144 PMAQI
6th Jul 2026145 PMAQI
6th Jul 2026146 PMAQI
6th Jul 2026107 PMAQI
6th Jul 2026208 PMAQI
6th Jul 2026149 PMAQI
6th Jul 20262110 PMAQI
6th Jul 20261711 PMAQI
7th Jul 20261712 AMAQI
7th Jul 2026231 AMAQI
7th Jul 2026142 AMAQI
7th Jul 2026253 AMAQI
7th Jul 2026274 AMAQI
28°C24/31°C
7th Jul 2026255 AMAQI
7th Jul 2026216 AMAQI
7th Jul 2026217 AMAQI
7th Jul 2026168 AMAQI
7th Jul 2026179 AMAQI
7th Jul 20261510 AMAQI
7th Jul 20261411 AMAQI
7th Jul 20261712 PMAQI
7th Jul 2026331 PMAQI
7th Jul 2026232 PMAQI
7th Jul 2026203 PMAQI
7th Jul 2026194 PMAQI
7th Jul 2026205 PMAQI
7th Jul 2026146 PMAQI
7th Jul 2026677 PMAQI
7th Jul 2026168 PMAQI
7th Jul 2026339 PMAQI
7th Jul 20261710 PMAQI
7th Jul 20261911 PMAQI
8th Jul 20261712 AMAQI
8th Jul 2026231 AMAQI
8th Jul 2026272 AMAQI
8th Jul 2026173 AMAQI
8th Jul 2026214 AMAQI
28°C25/31°C
8th Jul 2026185 AMAQI
8th Jul 2026236 AMAQI
8th Jul 2026197 AMAQI
8th Jul 2026558 AMAQI
8th Jul 2026369 AMAQI
8th Jul 20262510 AMAQI
8th Jul 20262111 AMAQI
8th Jul 20262412 PMAQI
8th Jul 2026171 PMAQI
8th Jul 2026152 PMAQI
8th Jul 2026253 PMAQI
8th Jul 2026164 PMAQI
8th Jul 2026125 PMAQI
8th Jul 2026176 PMAQI
8th Jul 2026197 PMAQI
8th Jul 2026128 PMAQI
8th Jul 2026179 PMAQI
8th Jul 20261210 PMAQI
8th Jul 20261211 PMAQI
9th Jul 20261312 AMAQI
9th Jul 2026161 AMAQI
9th Jul 2026162 AMAQI
9th Jul 2026203 AMAQI
9th Jul 2026164 AMAQI
28°C25/31°C
9th Jul 2026205 AMAQI
9th Jul 2026196 AMAQI
9th Jul 2026167 AMAQI
9th Jul 2026148 AMAQI
9th Jul 2026129 AMAQI
9th Jul 20261210 AMAQI
9th Jul 20262411 AMAQI
9th Jul 20263212 PMAQI
9th Jul 2026221 PMAQI
9th Jul 2026262 PMAQI
9th Jul 2026183 PMAQI
9th Jul 2026204 PMAQI
9th Jul 2026195 PMAQI
9th Jul 2026236 PMAQI
9th Jul 2026237 PMAQI
9th Jul 2026388 PMAQI
9th Jul 2026339 PMAQI
9th Jul 20263610 PMAQI
9th Jul 20263311 PMAQI
10th Jul 20264212 AMAQI
10th Jul 2026441 AMAQI
10th Jul 2026362 AMAQI
10th Jul 2026443 AMAQI
10th Jul 2026464 AMAQI
28°C25/32°C
10th Jul 2026365 AMAQI
10th Jul 2026516 AMAQI
10th Jul 2026437 AMAQI
10th Jul 2026558 AMAQI
10th Jul 2026569 AMAQI
10th Jul 20265010 AMAQI
10th Jul 20264211 AMAQI
10th Jul 20264812 PMAQI
10th Jul 2026471 PMAQI
10th Jul 2026592 PMAQI
10th Jul 2026403 PMAQI
10th Jul 2026404 PMAQI
10th Jul 2026335 PMAQI
10th Jul 2026366 PMAQI
10th Jul 2026337 PMAQI
10th Jul 2026348 PMAQI
10th Jul 2026449 PMAQI
10th Jul 20264010 PMAQI
10th Jul 20262911 PMAQI
11th Jul 20263112 AMAQI
11th Jul 2026381 AMAQI
11th Jul 2026432 AMAQI
11th Jul 2026313 AMAQI
11th Jul 2026384 AMAQI
28°C25/31°C
11th Jul 2026315 AMAQI
11th Jul 2026276 AMAQI
11th Jul 2026347 AMAQI
11th Jul 2026258 AMAQI
11th Jul 2026259 AMAQI
11th Jul 20261910 AMAQI
11th Jul 20262111 AMAQI
11th Jul 20261912 PMAQI
11th Jul 2026141 PMAQI
11th Jul 2026272 PMAQI
11th Jul 2026263 PMAQI
11th Jul 2026254 PMAQI
11th Jul 2026195 PMAQI
11th Jul 2026246 PMAQI
11th Jul 2026277 PMAQI
11th Jul 2026328 PMAQI
11th Jul 2026309 PMAQI
11th Jul 20262110 PMAQI
11th Jul 20263111 PMAQI
12th Jul 20262112 AMAQI
12th Jul 2026251 AMAQI
12th Jul 2026212 AMAQI
12th Jul 2026253 AMAQI
12th Jul 2026254 AMAQI
28°C25/31°C
12th Jul 2026195 AMAQI
5 AM12th Jul 2026146 AMAQI
12th Jul 2026217 AMAQI
12th Jul 2026328 AMAQI
12th Jul 2026289 AMAQI
12th Jul 20263110 AMAQI
12th Jul 20262911 AMAQI
12th Jul 20261912 PMAQI
12 PM12th Jul 2026191 PMAQI
12th Jul 2026382 PMAQI
12th Jul 2026183 PMAQI
12th Jul 2026144 PMAQI
12th Jul 2026125 PMAQI
12th Jul 2026126 PMAQI
12th Jul 2026177 PMAQI
7 PM12th Jul 2026238 PMAQI
12th Jul 2026179 PMAQI
12th Jul 20261910 PMAQI
12th Jul 20261711 PMAQI
12 AM
4 AM
28°C25/32°C
Day time
Avg. Highest Time
6 AM - 10 AM
39AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
6 PM
28AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 10 AM (Avg. 39), while the lowest AQI was between 6 PM to 6 PM (Avg. 28).
Night time
Avg. Highest Time
3 AM
39AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
8 PM
32AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 3 AM (Avg. 39), while the lowest AQI was between 8 PM to 8 PM (Avg. 32).
2026 Days Vs Air Quality
EMCT SEPA, San Juan, Puerto Rico, United States
2026
77%
147
23%
43
Total number of days with different AQI categories in last 193 days in 2026 (172 days remaining)
Good
147 DaysModerate
43 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 77%
Health Risk Level:
Low
In 2026, 77% of 193 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
EMCT SEPA, San Juan, Puerto Rico, United States
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
38AQI (US)
38AQI (US)
2nd January 2026
41AQI (US)
41AQI (US)
3rd January 2026
49AQI (US)
49AQI (US)
4th January 2026
49AQI (US)
49AQI (US)
5th January 2026
50AQI (US)
50AQI (US)
6th January 2026
48AQI (US)
48AQI (US)
7th January 2026
55AQI (US)
55AQI (US)
8th January 2026
50AQI (US)
50AQI (US)
9th January 2026
46AQI (US)
46AQI (US)
10th January 2026
46AQI (US)
46AQI (US)
11th January 2026
50AQI (US)
50AQI (US)
12th January 2026
45AQI (US)
45AQI (US)
13th January 2026
42AQI (US)
42AQI (US)
14th January 2026
30AQI (US)
30AQI (US)
15th January 2026
34AQI (US)
34AQI (US)
16th January 2026
33AQI (US)
33AQI (US)
17th January 2026
38AQI (US)
38AQI (US)
18th January 2026
35AQI (US)
35AQI (US)
19th January 2026
35AQI (US)
35AQI (US)
20th January 2026
48AQI (US)
48AQI (US)
21st January 2026
36AQI (US)
36AQI (US)
22nd January 2026
53AQI (US)
53AQI (US)
23rd January 2026
56AQI (US)
56AQI (US)
24th January 2026
51AQI (US)
51AQI (US)
25th January 2026
54AQI (US)
54AQI (US)
26th January 2026
50AQI (US)
50AQI (US)
27th January 2026
44AQI (US)
44AQI (US)
28th January 2026
47AQI (US)
47AQI (US)
29th January 2026
51AQI (US)
51AQI (US)
30th January 2026
56AQI (US)
56AQI (US)
31st January 2026
52AQI (US)
52AQI (US)
1st February 2026
53AQI (US)
53AQI (US)
2nd February 2026
56AQI (US)
56AQI (US)
3rd February 2026
51AQI (US)
51AQI (US)
4th February 2026
53AQI (US)
53AQI (US)
5th February 2026
58AQI (US)
58AQI (US)
6th February 2026
52AQI (US)
52AQI (US)
7th February 2026
47AQI (US)
47AQI (US)
8th February 2026
51AQI (US)
51AQI (US)
9th February 2026
51AQI (US)
51AQI (US)
10th February 2026
51AQI (US)
51AQI (US)
11th February 2026
55AQI (US)
55AQI (US)
12th February 2026
55AQI (US)
55AQI (US)
13th February 2026
60AQI (US)
60AQI (US)
14th February 2026
65AQI (US)
65AQI (US)
15th February 2026
61AQI (US)
61AQI (US)
16th February 2026
62AQI (US)
62AQI (US)
17th February 2026
62AQI (US)
62AQI (US)
18th February 2026
52AQI (US)
52AQI (US)
19th February 2026
58AQI (US)
58AQI (US)
20th February 2026
53AQI (US)
53AQI (US)
21st February 2026
51AQI (US)
51AQI (US)
22nd February 2026
45AQI (US)
45AQI (US)
23rd February 2026
46AQI (US)
46AQI (US)
24th February 2026
49AQI (US)
49AQI (US)
25th February 2026
48AQI (US)
48AQI (US)
26th February 2026
55AQI (US)
55AQI (US)
27th February 2026
42AQI (US)
42AQI (US)
28th February 2026
41AQI (US)
41AQI (US)
1st March 2026
55AQI (US)
55AQI (US)
2nd March 2026
54AQI (US)
54AQI (US)
3rd March 2026
55AQI (US)
55AQI (US)
4th March 2026
55AQI (US)
55AQI (US)
5th March 2026
49AQI (US)
49AQI (US)
6th March 2026
62AQI (US)
62AQI (US)
7th March 2026
49AQI (US)
49AQI (US)
8th March 2026
52AQI (US)
52AQI (US)
9th March 2026
49AQI (US)
49AQI (US)
10th March 2026
47AQI (US)
47AQI (US)
11th March 2026
46AQI (US)
46AQI (US)
12th March 2026
48AQI (US)
48AQI (US)
13th March 2026
55AQI (US)
55AQI (US)
14th March 2026
39AQI (US)
39AQI (US)
15th March 2026
56AQI (US)
56AQI (US)
16th March 2026
46AQI (US)
46AQI (US)
17th March 2026
42AQI (US)
42AQI (US)
18th March 2026
37AQI (US)
37AQI (US)
19th March 2026
52AQI (US)
52AQI (US)
20th March 2026
48AQI (US)
48AQI (US)
21st March 2026
40AQI (US)
40AQI (US)
22nd March 2026
42AQI (US)
42AQI (US)
23rd March 2026
41AQI (US)
41AQI (US)
24th March 2026
42AQI (US)
42AQI (US)
25th March 2026
39AQI (US)
39AQI (US)
26th March 2026
46AQI (US)
46AQI (US)
27th March 2026
44AQI (US)
44AQI (US)
28th March 2026
41AQI (US)
41AQI (US)
29th March 2026
45AQI (US)
45AQI (US)
30th March 2026
42AQI (US)
42AQI (US)
31st March 2026
34AQI (US)
34AQI (US)
1st April 2026
37AQI (US)
37AQI (US)
2nd April 2026
43AQI (US)
43AQI (US)
3rd April 2026
35AQI (US)
35AQI (US)
4th April 2026
38AQI (US)
38AQI (US)
5th April 2026
40AQI (US)
40AQI (US)
6th April 2026
47AQI (US)
47AQI (US)
7th April 2026
39AQI (US)
39AQI (US)
8th April 2026
47AQI (US)
47AQI (US)
9th April 2026
31AQI (US)
31AQI (US)
10th April 2026
43AQI (US)
43AQI (US)
11th April 2026
44AQI (US)
44AQI (US)
12th April 2026
47AQI (US)
47AQI (US)
13th April 2026
47AQI (US)
47AQI (US)
14th April 2026
48AQI (US)
48AQI (US)
15th April 2026
42AQI (US)
42AQI (US)
16th April 2026
40AQI (US)
40AQI (US)
17th April 2026
18th April 2026
46AQI (US)
46AQI (US)
19th April 2026
48AQI (US)
48AQI (US)
20th April 2026
42AQI (US)
42AQI (US)
21st April 2026
35AQI (US)
35AQI (US)
22nd April 2026
23rd April 2026
28AQI (US)
28AQI (US)
24th April 2026
37AQI (US)
37AQI (US)
25th April 2026
35AQI (US)
35AQI (US)
26th April 2026
37AQI (US)
37AQI (US)
27th April 2026
36AQI (US)
36AQI (US)
28th April 2026
31AQI (US)
31AQI (US)
29th April 2026
30AQI (US)
30AQI (US)
30th April 2026
35AQI (US)
35AQI (US)
1st May 2026
32AQI (US)
32AQI (US)
2nd May 2026
30AQI (US)
30AQI (US)
3rd May 2026
42AQI (US)
42AQI (US)
4th May 2026
32AQI (US)
32AQI (US)
5th May 2026
43AQI (US)
43AQI (US)
6th May 2026
49AQI (US)
49AQI (US)
7th May 2026
45AQI (US)
45AQI (US)
8th May 2026
35AQI (US)
35AQI (US)
9th May 2026
10th May 2026
51AQI (US)
51AQI (US)
11th May 2026
43AQI (US)
43AQI (US)
12th May 2026
43AQI (US)
43AQI (US)
13th May 2026
46AQI (US)
46AQI (US)
14th May 2026
39AQI (US)
39AQI (US)
15th May 2026
42AQI (US)
42AQI (US)
16th May 2026
48AQI (US)
48AQI (US)
17th May 2026
45AQI (US)
45AQI (US)
18th May 2026
42AQI (US)
42AQI (US)
19th May 2026
37AQI (US)
37AQI (US)
20th May 2026
45AQI (US)
45AQI (US)
21st May 2026
42AQI (US)
42AQI (US)
22nd May 2026
38AQI (US)
38AQI (US)
23rd May 2026
43AQI (US)
43AQI (US)
24th May 2026
47AQI (US)
47AQI (US)
25th May 2026
46AQI (US)
46AQI (US)
26th May 2026
39AQI (US)
39AQI (US)
27th May 2026
35AQI (US)
35AQI (US)
28th May 2026
46AQI (US)
46AQI (US)
29th May 2026
34AQI (US)
34AQI (US)
30th May 2026
26AQI (US)
26AQI (US)
31st May 2026
34AQI (US)
34AQI (US)
1st June 2026
56AQI (US)
56AQI (US)
2nd June 2026
53AQI (US)
53AQI (US)
3rd June 2026
50AQI (US)
50AQI (US)
4th June 2026
31AQI (US)
31AQI (US)
5th June 2026
34AQI (US)
34AQI (US)
6th June 2026
40AQI (US)
40AQI (US)
7th June 2026
23AQI (US)
23AQI (US)
8th June 2026
34AQI (US)
34AQI (US)
9th June 2026
32AQI (US)
32AQI (US)
10th June 2026
30AQI (US)
30AQI (US)
11th June 2026
48AQI (US)
48AQI (US)
12th June 2026
46AQI (US)
46AQI (US)
13th June 2026
45AQI (US)
45AQI (US)
14th June 2026
34AQI (US)
34AQI (US)
15th June 2026
57AQI (US)
57AQI (US)
16th June 2026
46AQI (US)
46AQI (US)
17th June 2026
44AQI (US)
44AQI (US)
18th June 2026
44AQI (US)
44AQI (US)
19th June 2026
52AQI (US)
52AQI (US)
20th June 2026
37AQI (US)
37AQI (US)
21st June 2026
37AQI (US)
37AQI (US)
22nd June 2026
38AQI (US)
38AQI (US)
23rd June 2026
42AQI (US)
42AQI (US)
24th June 2026
50AQI (US)
50AQI (US)
25th June 2026
28AQI (US)
28AQI (US)
26th June 2026
40AQI (US)
40AQI (US)
27th June 2026
30AQI (US)
30AQI (US)
28th June 2026
26AQI (US)
26AQI (US)
29th June 2026
26AQI (US)
26AQI (US)
30th June 2026
27AQI (US)
27AQI (US)
1st July 2026
30AQI (US)
30AQI (US)
2nd July 2026
31AQI (US)
31AQI (US)
3rd July 2026
28AQI (US)
28AQI (US)
4th July 2026
27AQI (US)
27AQI (US)
5th July 2026
43AQI (US)
43AQI (US)
6th July 2026
21AQI (US)
21AQI (US)
7th July 2026
22AQI (US)
22AQI (US)
8th July 2026
21AQI (US)
21AQI (US)
9th July 2026
22AQI (US)
22AQI (US)
10th July 2026
43AQI (US)
43AQI (US)
11th July 2026
27AQI (US)
27AQI (US)
12th July 2026
22AQI (US)
22AQI (US)
13th July 2026
14th July 2026
15th July 2026
16th July 2026
17th July 2026
18th July 2026
19th July 2026
20th July 2026
21st July 2026
22nd July 2026
23rd July 2026
24th July 2026
25th July 2026
26th July 2026
27th July 2026
28th July 2026
29th July 2026
30th July 2026
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
46AQI (US)
53AQI (US)
47AQI (US)
40AQI (US)
41AQI (US)
39AQI (US)
28AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202643AQI (US)
23
8
7
21
22
9
28
29
1
26
4
12
147
43
Highest AQI (US) recorded in
February53AQI (US)
Lowest AQI (US) recorded in
July28AQI (US)
202542AQI (US)
30
1
28
31
30
31
17
13
17
10
4
27
4
30
22
9
13
17
6
25
282
79
4
Highest AQI (US) recorded in
July61AQI (US)
Lowest AQI (US) recorded in
May32AQI (US)
202435AQI (US)
16
1
10
31
29
1
7
23
1
29
1
28
3
27
2
3
12
1
26
4
27
4
245
40
1
Highest AQI (US) recorded in
May63AQI (US)
Lowest AQI (US) recorded in
January21AQI (US)
20235AQI (US)
21
20
3
31
75
Highest AQI (US) recorded in
November12AQI (US)
Lowest AQI (US) recorded in
February0AQI (US)
20224AQI (US)
1
28
12
41
Highest AQI (US) recorded in
October6AQI (US)
Lowest AQI (US) recorded in
December1AQI (US)
Most & Least Polluted Years Over the Last 5 Years
Most Polluted Year Recorded
2026(Avg.)
43AQI (US)Least Polluted Year Recorded
2022(Avg.)
4AQI (US)EMCT SEPA's annual 2026 AQI (US) (43) shows an average percentage change of 440.05% (worsened AQI (US)) compared to previous years: 2022 (4), 2023 (5), 2024 (35), 2025 (42).
