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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Calle De Diego 444 Outside, 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

Calle De Diego 444 Outside, San Juan, Puerto Rico, United States

2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
7th Jul 2025
111AQI
Lowest AQI recorded on
9th Jul 2023
7AQI

Same Day Analysis (16th July):
On this day, AQI across the 4 years varied significantly: 2026 ranks 3rd highest AQI at 38 of Good air quality, showing improvement over 2025 and 2024 on the same day.

Day & Night AQI Trend: 15th Jul - 16th Jul 2026

Calle De Diego 444 Outside, San Juan, Puerto Rico, United States

AQI
Day
Night
.

5 AM15th Jul 2026

7 PM

4 AM16th Jul 2026

Day time
Avg. Highest Time
7AM15th Jul

67AQI

Avg. Lowest Time
1PM15th Jul

42AQI

Night time
Avg. Highest Time
11PM15th Jul

83AQI

Avg. Lowest Time
3AM16th Jul

26AQI

In the last 24 hours,

Calle De Diego 444 Outside's AQI reached its highest point of 83 at 11 PM during the Night, while the lowest point, 26, was recorded at 3 AM during the Night between 15th Jul and 16th Jul 2026.

Day & Night AQI Trend : Jun - Jul 2026

Calle De Diego 444 Outside, San Juan, Puerto Rico, United States

JunJul
17th - 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 - 13th13th - 14th14th - 15th15th - 16th16th
Day
Night
17th Jun 2026605 AMAQI
17th Jun 2026786 AMAQI
17th Jun 2026517 AMAQI
17th Jun 2026568 AMAQI
17th Jun 2026449 AMAQI
17th Jun 20266610 AMAQI
17th Jun 20266811 AMAQI
17th Jun 20263012 PMAQI
17th Jun 2026301 PMAQI
17th Jun 2026302 PMAQI
17th Jun 2026403 PMAQI
17th Jun 2026574 PMAQI
17th Jun 2026295 PMAQI
17th Jun 2026186 PMAQI
17th Jun 2026407 PMAQI
17th Jun 2026408 PMAQI
17th Jun 2026549 PMAQI
17th Jun 20264210 PMAQI
17th Jun 20264411 PMAQI
18th Jun 20266212 AMAQI
18th Jun 20261141 AMAQI
18th Jun 2026402 AMAQI
18th Jun 2026243 AMAQI
18th Jun 2026264 AMAQI

27°C23/31°C

18th Jun 2026245 AMAQI
18th Jun 2026256 AMAQI
18th Jun 2026257 AMAQI
18th Jun 2026258 AMAQI
18th Jun 2026289 AMAQI
18th Jun 20263210 AMAQI
18th Jun 20262711 AMAQI
18th Jun 20263112 PMAQI
18th Jun 2026331 PMAQI
18th Jun 2026682 PMAQI
18th Jun 2026563 PMAQI
18th Jun 2026564 PMAQI
18th Jun 2026605 PMAQI
18th Jun 2026336 PMAQI
18th Jun 2026347 PMAQI
18th Jun 2026468 PMAQI
18th Jun 2026349 PMAQI
18th Jun 20264810 PMAQI
18th Jun 20264411 PMAQI
19th Jun 20269412 AMAQI
19th Jun 20261001 AMAQI
19th Jun 2026622 AMAQI
19th Jun 2026503 AMAQI
19th Jun 2026244 AMAQI

27°C23/31°C

19th Jun 2026525 AMAQI
19th Jun 2026836 AMAQI
19th Jun 2026227 AMAQI
19th Jun 2026228 AMAQI
19th Jun 2026229 AMAQI
19th Jun 20262610 AMAQI
19th Jun 20262511 AMAQI
19th Jun 20262812 PMAQI
19th Jun 2026281 PMAQI
19th Jun 2026262 PMAQI
19th Jun 2026453 PMAQI
19th Jun 2026624 PMAQI
19th Jun 2026695 PMAQI
19th Jun 2026786 PMAQI
19th Jun 2026517 PMAQI
19th Jun 2026468 PMAQI
19th Jun 20261309 PMAQI
19th Jun 20264710 PMAQI
19th Jun 20263211 PMAQI
20th Jun 20262212 AMAQI
20th Jun 2026401 AMAQI
20th Jun 2026582 AMAQI
20th Jun 2026443 AMAQI
20th Jun 2026244 AMAQI

27°C24/31°C

20th Jun 2026245 AMAQI
20th Jun 2026426 AMAQI
20th Jun 2026427 AMAQI
20th Jun 2026818 AMAQI
20th Jun 2026799 AMAQI
20th Jun 20262510 AMAQI
20th Jun 20265811 AMAQI
20th Jun 20263012 PMAQI
20th Jun 2026571 PMAQI
20th Jun 2026382 PMAQI
20th Jun 2026283 PMAQI
20th Jun 2026244 PMAQI
20th Jun 2026255 PMAQI
20th Jun 2026246 PMAQI
20th Jun 2026227 PMAQI
20th Jun 2026188 PMAQI
20th Jun 2026229 PMAQI
20th Jun 20261910 PMAQI
20th Jun 20262311 PMAQI
21st Jun 20262212 AMAQI
21st Jun 2026251 AMAQI
21st Jun 2026292 AMAQI
21st Jun 2026803 AMAQI
21st Jun 2026784 AMAQI

27°C24/31°C

21st Jun 2026465 AMAQI
21st Jun 2026206 AMAQI
21st Jun 2026467 AMAQI
21st Jun 2026328 AMAQI
21st Jun 2026349 AMAQI
21st Jun 20263910 AMAQI
21st Jun 20264311 AMAQI
21st Jun 20266812 PMAQI
21st Jun 2026431 PMAQI
21st Jun 2026492 PMAQI
21st Jun 2026223 PMAQI
21st Jun 2026204 PMAQI
21st Jun 2026265 PMAQI
21st Jun 2026256 PMAQI
21st Jun 2026297 PMAQI
21st Jun 2026318 PMAQI
21st Jun 2026209 PMAQI
21st Jun 20262710 PMAQI
21st Jun 20263611 PMAQI
22nd Jun 20266312 AMAQI
22nd Jun 2026421 AMAQI
22nd Jun 2026502 AMAQI
22nd Jun 2026203 AMAQI
22nd Jun 2026744 AMAQI

27°C25/31°C

22nd Jun 2026225 AMAQI
22nd Jun 2026206 AMAQI
22nd Jun 2026207 AMAQI
22nd Jun 2026478 AMAQI
22nd Jun 2026469 AMAQI
22nd Jun 20266410 AMAQI
22nd Jun 20264211 AMAQI
22nd Jun 20265412 PMAQI
22nd Jun 2026261 PMAQI
22nd Jun 2026482 PMAQI
22nd Jun 2026363 PMAQI
22nd Jun 2026334 PMAQI
22nd Jun 2026335 PMAQI
22nd Jun 2026256 PMAQI
22nd Jun 2026337 PMAQI
22nd Jun 2026288 PMAQI
22nd Jun 2026299 PMAQI
22nd Jun 20263510 PMAQI
22nd Jun 20262811 PMAQI
23rd Jun 20264012 AMAQI
23rd Jun 2026321 AMAQI
23rd Jun 2026342 AMAQI
23rd Jun 2026423 AMAQI
23rd Jun 2026304 AMAQI

27°C24/32°C

23rd Jun 2026325 AMAQI
23rd Jun 2026366 AMAQI
23rd Jun 2026407 AMAQI
23rd Jun 2026608 AMAQI
23rd Jun 2026479 AMAQI
23rd Jun 20263310 AMAQI
23rd Jun 20264411 AMAQI
23rd Jun 20263212 PMAQI
23rd Jun 2026361 PMAQI
23rd Jun 2026322 PMAQI
23rd Jun 2026503 PMAQI
23rd Jun 2026414 PMAQI
23rd Jun 2026485 PMAQI
23rd Jun 2026246 PMAQI
23rd Jun 2026557 PMAQI
23rd Jun 2026548 PMAQI
23rd Jun 2026449 PMAQI
23rd Jun 20264610 PMAQI
23rd Jun 20265411 PMAQI
24th Jun 20264412 AMAQI
24th Jun 2026501 AMAQI
24th Jun 2026742 AMAQI
24th Jun 2026713 AMAQI
24th Jun 2026624 AMAQI

27°C24/31°C

24th Jun 2026585 AMAQI
24th Jun 2026606 AMAQI
24th Jun 2026387 AMAQI
24th Jun 2026538 AMAQI
24th Jun 2026389 AMAQI
24th Jun 20266010 AMAQI
24th Jun 20262711 AMAQI
24th Jun 20266012 PMAQI
24th Jun 2026251 PMAQI
24th Jun 2026282 PMAQI
24th Jun 2026473 PMAQI
24th Jun 2026624 PMAQI
24th Jun 2026365 PMAQI
24th Jun 2026376 PMAQI
24th Jun 2026347 PMAQI
24th Jun 2026368 PMAQI
24th Jun 2026809 PMAQI
24th Jun 20266010 PMAQI
24th Jun 20265111 PMAQI
25th Jun 20262712 AMAQI
25th Jun 2026261 AMAQI
25th Jun 2026242 AMAQI
25th Jun 2026273 AMAQI
25th Jun 2026254 AMAQI

27°C23/31°C

25th Jun 2026235 AMAQI
25th Jun 2026236 AMAQI
25th Jun 2026247 AMAQI
25th Jun 2026338 AMAQI
25th Jun 2026269 AMAQI
25th Jun 20262610 AMAQI
25th Jun 20262911 AMAQI
25th Jun 20262512 PMAQI
25th Jun 2026261 PMAQI
25th Jun 2026232 PMAQI
25th Jun 2026293 PMAQI
25th Jun 2026234 PMAQI
25th Jun 2026225 PMAQI
25th Jun 2026226 PMAQI
25th Jun 2026207 PMAQI
25th Jun 2026268 PMAQI
25th Jun 2026429 PMAQI
25th Jun 20263410 PMAQI
25th Jun 20263211 PMAQI
26th Jun 20262612 AMAQI
26th Jun 2026261 AMAQI
26th Jun 2026222 AMAQI
26th Jun 2026223 AMAQI
26th Jun 2026224 AMAQI

27°C25/31°C

26th Jun 2026345 AMAQI
26th Jun 2026226 AMAQI
26th Jun 2026717 AMAQI
26th Jun 2026768 AMAQI
26th Jun 2026599 AMAQI
26th Jun 202611510 AMAQI
26th Jun 20267411 AMAQI
26th Jun 20262512 PMAQI
26th Jun 2026241 PMAQI
26th Jun 2026282 PMAQI
26th Jun 2026273 PMAQI
26th Jun 2026324 PMAQI
26th Jun 2026285 PMAQI
26th Jun 2026286 PMAQI
26th Jun 2026347 PMAQI
26th Jun 2026298 PMAQI
26th Jun 2026329 PMAQI
26th Jun 20263010 PMAQI
26th Jun 20263411 PMAQI
27th Jun 20263612 AMAQI
27th Jun 2026381 AMAQI
27th Jun 2026382 AMAQI
27th Jun 2026283 AMAQI
27th Jun 2026344 AMAQI

27°C24/32°C

27th Jun 2026285 AMAQI
27th Jun 2026316 AMAQI
27th Jun 2026337 AMAQI
27th Jun 2026288 AMAQI
27th Jun 2026289 AMAQI
27th Jun 20263210 AMAQI
27th Jun 20263511 AMAQI
27th Jun 20261812 PMAQI
27th Jun 2026221 PMAQI
27th Jun 2026312 PMAQI
27th Jun 2026313 PMAQI
27th Jun 2026204 PMAQI
27th Jun 2026295 PMAQI
27th Jun 2026296 PMAQI
27th Jun 2026287 PMAQI
27th Jun 2026268 PMAQI
27th Jun 2026289 PMAQI
27th Jun 20262810 PMAQI
27th Jun 20262711 PMAQI
28th Jun 20262812 AMAQI
28th Jun 2026261 AMAQI
28th Jun 2026262 AMAQI
28th Jun 2026253 AMAQI
28th Jun 2026264 AMAQI

27°C25/30°C

28th Jun 2026245 AMAQI
28th Jun 2026216 AMAQI
28th Jun 2026257 AMAQI
28th Jun 2026288 AMAQI
28th Jun 2026289 AMAQI
28th Jun 20263010 AMAQI
28th Jun 20262811 AMAQI
28th Jun 20262912 PMAQI
28th Jun 2026381 PMAQI
28th Jun 2026262 PMAQI
28th Jun 2026283 PMAQI
28th Jun 2026284 PMAQI
28th Jun 2026265 PMAQI
28th Jun 2026306 PMAQI
28th Jun 2026267 PMAQI
28th Jun 2026288 PMAQI
28th Jun 2026259 PMAQI
28th Jun 20262110 PMAQI
28th Jun 20262711 PMAQI
29th Jun 20263612 AMAQI
29th Jun 2026241 AMAQI
29th Jun 2026262 AMAQI
29th Jun 2026203 AMAQI
29th Jun 2026264 AMAQI

27°C23/32°C

29th Jun 2026215 AMAQI
29th Jun 2026246 AMAQI
29th Jun 2026207 AMAQI
29th Jun 2026308 AMAQI
29th Jun 2026289 AMAQI
29th Jun 20262610 AMAQI
29th Jun 20262611 AMAQI
29th Jun 20262812 PMAQI
29th Jun 2026271 PMAQI
29th Jun 2026242 PMAQI
29th Jun 2026243 PMAQI
29th Jun 2026164 PMAQI
29th Jun 2026215 PMAQI
29th Jun 202686 PMAQI
29th Jun 2026207 PMAQI
29th Jun 2026248 PMAQI
29th Jun 2026289 PMAQI
29th Jun 20262910 PMAQI
29th Jun 20262611 PMAQI
30th Jun 20263212 AMAQI
30th Jun 2026301 AMAQI
30th Jun 2026302 AMAQI
30th Jun 2026423 AMAQI
30th Jun 2026274 AMAQI

28°C24/32°C

30th Jun 2026255 AMAQI
30th Jun 2026276 AMAQI
30th Jun 2026257 AMAQI
30th Jun 2026248 AMAQI
30th Jun 2026269 AMAQI
30th Jun 20262410 AMAQI
30th Jun 20262811 AMAQI
30th Jun 20263012 PMAQI
30th Jun 2026231 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 2026279 PMAQI
30th Jun 20262910 PMAQI
30th Jun 20261911 PMAQI
1st Jul 20262712 AMAQI
1st Jul 2026301 AMAQI
1st Jul 2026302 AMAQI
1st Jul 2026303 AMAQI
1st Jul 2026244 AMAQI

28°C24/32°C

1st Jul 2026255 AMAQI
1st Jul 2026266 AMAQI
1st Jul 2026277 AMAQI
1st Jul 2026288 AMAQI
1st Jul 2026299 AMAQI
1st Jul 20262910 AMAQI
1st Jul 20263011 AMAQI
1st Jul 20262912 PMAQI
1st Jul 2026281 PMAQI
1st Jul 2026232 PMAQI
1st Jul 2026283 PMAQI
1st Jul 2026214 PMAQI
1st Jul 2026305 PMAQI
1st Jul 2026266 PMAQI
1st Jul 2026297 PMAQI
1st Jul 2026278 PMAQI
1st Jul 2026469 PMAQI
1st Jul 20264610 PMAQI
1st Jul 20262211 PMAQI
2nd Jul 20262012 AMAQI
2nd Jul 2026201 AMAQI
2nd Jul 2026242 AMAQI
2nd Jul 2026233 AMAQI
2nd Jul 2026254 AMAQI

27°C24/31°C

2nd Jul 2026325 AMAQI
2nd Jul 2026346 AMAQI
2nd Jul 2026367 AMAQI
2nd Jul 2026378 AMAQI
2nd Jul 2026349 AMAQI
2nd Jul 20263510 AMAQI
2nd Jul 20262711 AMAQI
2nd Jul 20262912 PMAQI
2nd Jul 2026241 PMAQI
2nd Jul 2026292 PMAQI
2nd Jul 2026253 PMAQI
2nd Jul 2026344 PMAQI
2nd Jul 2026305 PMAQI
2nd Jul 2026346 PMAQI
2nd Jul 2026367 PMAQI
2nd Jul 2026268 PMAQI
2nd Jul 2026269 PMAQI
2nd Jul 20262610 PMAQI
2nd Jul 20262411 PMAQI
3rd Jul 20262612 AMAQI
3rd Jul 2026291 AMAQI
3rd Jul 2026332 AMAQI
3rd Jul 2026293 AMAQI
3rd Jul 2026284 AMAQI

27°C24/31°C

3rd Jul 2026285 AMAQI
3rd Jul 2026296 AMAQI
3rd Jul 2026447 AMAQI
3rd Jul 2026388 AMAQI
3rd Jul 2026299 AMAQI
3rd Jul 20262810 AMAQI
3rd Jul 20263011 AMAQI
3rd Jul 20263012 PMAQI
3rd Jul 2026321 PMAQI
3rd Jul 2026252 PMAQI
3rd Jul 2026273 PMAQI
3rd Jul 2026264 PMAQI
3rd Jul 2026255 PMAQI
3rd Jul 2026236 PMAQI
3rd Jul 2026287 PMAQI
3rd Jul 2026268 PMAQI
3rd Jul 2026169 PMAQI
3rd Jul 20262410 PMAQI
3rd Jul 20262611 PMAQI
4th Jul 20261812 AMAQI
4th Jul 2026241 AMAQI
4th Jul 2026262 AMAQI
4th Jul 2026163 AMAQI
4th Jul 2026164 AMAQI

27°C24/31°C

4th Jul 2026225 AMAQI
4th Jul 2026216 AMAQI
4th Jul 2026277 AMAQI
4th Jul 2026388 AMAQI
4th Jul 2026449 AMAQI
4th Jul 20263410 AMAQI
4th Jul 20263011 AMAQI
4th Jul 20264212 PMAQI
4th Jul 2026241 PMAQI
4th Jul 2026242 PMAQI
4th Jul 2026123 PMAQI
4th Jul 2026154 PMAQI
4th Jul 2026255 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 2026943 AMAQI
5th Jul 2026384 AMAQI

27°C25/32°C

5th Jul 2026525 AMAQI
5th Jul 2026786 AMAQI
5th Jul 2026587 AMAQI
5th Jul 2026568 AMAQI
5th Jul 2026569 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 2026289 PMAQI
5th Jul 20262710 PMAQI
5th Jul 20263111 PMAQI
6th Jul 20263612 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 20261912 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 20261410 AMAQI
7th Jul 20261411 AMAQI
7th Jul 20261712 PMAQI
7th Jul 2026331 PMAQI
7th Jul 2026232 PMAQI
7th Jul 2026193 PMAQI
7th Jul 2026194 PMAQI
7th Jul 2026205 PMAQI
7th Jul 2026146 PMAQI
7th Jul 2026667 PMAQI
7th Jul 2026168 PMAQI
7th Jul 2026339 PMAQI
7th Jul 20261710 PMAQI
7th Jul 20261911 PMAQI
8th Jul 20261612 AMAQI
8th Jul 2026231 AMAQI
8th Jul 2026272 AMAQI
8th Jul 2026173 AMAQI
8th Jul 2026214 AMAQI

28°C25/31°C

8th Jul 2026195 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 20262212 PMAQI
8th Jul 2026171 PMAQI
8th Jul 2026162 PMAQI
8th Jul 2026253 PMAQI
8th Jul 2026164 PMAQI
8th Jul 2026125 PMAQI
8th Jul 2026196 PMAQI
8th Jul 2026197 PMAQI
8th Jul 2026128 PMAQI
8th Jul 2026179 PMAQI
8th Jul 20261010 PMAQI
8th Jul 20261211 PMAQI
9th Jul 20261212 AMAQI
9th Jul 2026141 AMAQI
9th Jul 2026162 AMAQI
9th Jul 2026203 AMAQI
9th Jul 2026164 AMAQI

28°C25/31°C

9th Jul 2026205 AMAQI
9th Jul 2026186 AMAQI
9th Jul 2026167 AMAQI
9th Jul 2026128 AMAQI
9th Jul 2026129 AMAQI
9th Jul 20261210 AMAQI
9th Jul 20262411 AMAQI
9th Jul 20263012 PMAQI
9th Jul 2026201 PMAQI
9th Jul 2026262 PMAQI
9th Jul 2026203 PMAQI
9th Jul 2026214 PMAQI
9th Jul 2026195 PMAQI
9th Jul 2026246 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 2026385 AMAQI
10th Jul 2026516 AMAQI
10th Jul 2026407 AMAQI
10th Jul 2026558 AMAQI
10th Jul 2026569 AMAQI
10th Jul 20264910 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 2026361 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 20262712 PMAQI
11th Jul 2026141 PMAQI
11th Jul 2026272 PMAQI
11th Jul 2026263 PMAQI
11th Jul 2026254 PMAQI
11th Jul 2026195 PMAQI
11th Jul 2026216 PMAQI
11th Jul 2026277 PMAQI
11th Jul 2026348 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 2026264 AMAQI

28°C25/31°C

12th Jul 2026195 AMAQI
12th Jul 2026146 AMAQI
12th Jul 2026217 AMAQI
12th Jul 2026318 AMAQI
12th Jul 2026289 AMAQI
12th Jul 20262910 AMAQI
12th Jul 20262911 AMAQI
12th Jul 20261912 PMAQI
12th 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
12th Jul 2026238 PMAQI
12th Jul 2026179 PMAQI
12th Jul 20261910 PMAQI
12th Jul 20261711 PMAQI
13th Jul 20261712 AMAQI
13th Jul 2026241 AMAQI
13th Jul 2026172 AMAQI
13th Jul 2026193 AMAQI
13th Jul 2026254 AMAQI

28°C25/32°C

13th Jul 2026315 AMAQI
13th Jul 2026256 AMAQI
13th Jul 2026297 AMAQI
13th Jul 2026298 AMAQI
13th Jul 2026289 AMAQI
13th Jul 20262910 AMAQI
13th Jul 20261811 AMAQI
13th Jul 20262612 PMAQI
13th Jul 2026251 PMAQI
13th Jul 2026292 PMAQI
13th Jul 2026293 PMAQI
13th Jul 2026214 PMAQI
13th Jul 2026215 PMAQI
13th Jul 2026256 PMAQI
13th Jul 2026217 PMAQI
13th Jul 2026368 PMAQI
13th Jul 2026279 PMAQI
13th Jul 20262710 PMAQI
13th Jul 20262711 PMAQI
14th Jul 20262712 AMAQI
14th Jul 2026311 AMAQI
14th Jul 2026292 AMAQI
14th Jul 2026343 AMAQI
14th Jul 2026274 AMAQI

28°C24/32°C

14th Jul 2026235 AMAQI
14th Jul 2026196 AMAQI
14th Jul 2026307 AMAQI
14th Jul 2026288 AMAQI
14th Jul 2026259 AMAQI
14th Jul 20263110 AMAQI
14th Jul 20263511 AMAQI
14th Jul 20263612 PMAQI
14th Jul 2026301 PMAQI
14th Jul 2026342 PMAQI
14th Jul 2026233 PMAQI
14th Jul 2026324 PMAQI
14th Jul 2026285 PMAQI
14th Jul 2026306 PMAQI
14th Jul 2026407 PMAQI
14th Jul 2026308 PMAQI
14th Jul 2026329 PMAQI
14th Jul 20262610 PMAQI
14th Jul 20263611 PMAQI
15th Jul 20262212 AMAQI
15th Jul 2026221 AMAQI
15th Jul 2026482 AMAQI
15th Jul 2026483 AMAQI
15th Jul 2026504 AMAQI

28°C25/31°C

15th Jul 2026555 AMAQI
15th Jul 2026626 AMAQI
15th Jul 2026677 AMAQI
15th Jul 2026548 AMAQI
15th Jul 2026649 AMAQI
15th Jul 20265410 AMAQI
15th Jul 20264911 AMAQI
15th Jul 20265612 PMAQI
15th Jul 2026421 PMAQI
15th Jul 2026502 PMAQI
15th Jul 2026473 PMAQI
15th Jul 2026444 PMAQI
15th Jul 2026545 PMAQI
15th Jul 2026446 PMAQI
15th Jul 2026647 PMAQI
15th Jul 2026628 PMAQI
15th Jul 2026789 PMAQI
15th Jul 20266310 PMAQI
15th Jul 20268311 PMAQI
16th Jul 20267412 AMAQI
16th Jul 2026361 AMAQI
16th Jul 2026342 AMAQI
16th Jul 2026263 AMAQI
16th Jul 2026364 AMAQI

27°C23/31°C

16th Jul 2026475 AMAQI
5 AM
16th Jul 2026386 AMAQI
16th Jul 2026587 AMAQI
16th Jul 2026428 AMAQI
16th Jul 2026569 AMAQI
16th Jul 20263610 AMAQI
16th Jul 20263611 AMAQI
16th Jul 20266212 PMAQI
12 PM
16th Jul 2026341 PMAQI
16th Jul 2026342 PMAQI
16th Jul 2026193 PMAQI
16th Jul 2026264 PMAQI
16th Jul 2026215 PMAQI
16th Jul 2026276 PMAQI
16th Jul 2026267 PMAQI
7 PM
16th Jul 2026288 PMAQI
16th Jul 2026429 PMAQI
16th Jul 20264210 PMAQI
16th Jul 20263111 PMAQI
12 AM
4 AM

27°C23/31°C

Day time
Avg. Highest Time
8 AM

39AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
6 PM

27AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 8 AM (Avg. 39), while the lowest AQI was between 6 PM to 6 PM (Avg. 27).
Night time
Avg. Highest Time
9 PM

37AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
8 PM

31AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 9 PM (Avg. 37), while the lowest AQI was between 8 PM to 8 PM (Avg. 31).

2026 Days Vs Air Quality

Calle De Diego 444 Outside, San Juan, Puerto Rico, United States

2026

81%

158

19%

36

Total number of days with different AQI categories in last 197 days in 2026 (168 days remaining)

Good
158 Days
Moderate
36 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 81%

Health Risk Level:

Low

In 2026, 81% of 197 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

Calle De Diego 444 Outside, 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)
2nd January 2026
40AQI (US)
3rd January 2026
49AQI (US)
4th January 2026
49AQI (US)
5th January 2026
51AQI (US)
6th January 2026
47AQI (US)
7th January 2026
54AQI (US)
8th January 2026
49AQI (US)
9th January 2026
46AQI (US)
10th January 2026
46AQI (US)
11th January 2026
50AQI (US)
12th January 2026
45AQI (US)
13th January 2026
40AQI (US)
14th January 2026
29AQI (US)
15th January 2026
33AQI (US)
16th January 2026
33AQI (US)
17th January 2026
38AQI (US)
18th January 2026
34AQI (US)
19th January 2026
35AQI (US)
20th January 2026
48AQI (US)
21st January 2026
36AQI (US)
22nd January 2026
51AQI (US)
23rd January 2026
55AQI (US)
24th January 2026
49AQI (US)
25th January 2026
54AQI (US)
26th January 2026
49AQI (US)
27th January 2026
44AQI (US)
28th January 2026
47AQI (US)
29th January 2026
50AQI (US)
30th January 2026
54AQI (US)
31st January 2026
51AQI (US)
1st February 2026
52AQI (US)
2nd February 2026
56AQI (US)
3rd February 2026
51AQI (US)
4th February 2026
54AQI (US)
5th February 2026
56AQI (US)
6th February 2026
52AQI (US)
7th February 2026
45AQI (US)
8th February 2026
50AQI (US)
9th February 2026
49AQI (US)
10th February 2026
50AQI (US)
11th February 2026
55AQI (US)
12th February 2026
52AQI (US)
13th February 2026
57AQI (US)
14th February 2026
61AQI (US)
15th February 2026
59AQI (US)
16th February 2026
61AQI (US)
17th February 2026
54AQI (US)
18th February 2026
52AQI (US)
19th February 2026
51AQI (US)
20th February 2026
51AQI (US)
21st February 2026
47AQI (US)
22nd February 2026
44AQI (US)
23rd February 2026
45AQI (US)
24th February 2026
48AQI (US)
25th February 2026
48AQI (US)
26th February 2026
54AQI (US)
27th February 2026
42AQI (US)
28th February 2026
41AQI (US)
1st March 2026
55AQI (US)
2nd March 2026
53AQI (US)
3rd March 2026
55AQI (US)
4th March 2026
55AQI (US)
5th March 2026
46AQI (US)
6th March 2026
62AQI (US)
7th March 2026
49AQI (US)
8th March 2026
54AQI (US)
9th March 2026
49AQI (US)
10th March 2026
48AQI (US)
11th March 2026
45AQI (US)
12th March 2026
48AQI (US)
13th March 2026
55AQI (US)
14th March 2026
40AQI (US)
15th March 2026
55AQI (US)
16th March 2026
45AQI (US)
17th March 2026
41AQI (US)
18th March 2026
36AQI (US)
19th March 2026
49AQI (US)
20th March 2026
46AQI (US)
21st March 2026
41AQI (US)
22nd March 2026
41AQI (US)
23rd March 2026
42AQI (US)
24th March 2026
41AQI (US)
25th March 2026
37AQI (US)
26th March 2026
40AQI (US)
27th March 2026
42AQI (US)
28th March 2026
41AQI (US)
29th March 2026
41AQI (US)
30th March 2026
41AQI (US)
31st March 2026
33AQI (US)
1st April 2026
37AQI (US)
2nd April 2026
40AQI (US)
3rd April 2026
34AQI (US)
4th April 2026
41AQI (US)
5th April 2026
41AQI (US)
6th April 2026
47AQI (US)
7th April 2026
39AQI (US)
8th April 2026
46AQI (US)
9th April 2026
31AQI (US)
10th April 2026
43AQI (US)
11th April 2026
42AQI (US)
12th April 2026
43AQI (US)
13th April 2026
46AQI (US)
14th April 2026
47AQI (US)
15th April 2026
41AQI (US)
16th April 2026
39AQI (US)
17th April 2026
18th April 2026
46AQI (US)
19th April 2026
47AQI (US)
20th April 2026
36AQI (US)
21st April 2026
33AQI (US)
22nd April 2026
23rd April 2026
27AQI (US)
24th April 2026
36AQI (US)
25th April 2026
34AQI (US)
26th April 2026
35AQI (US)
27th April 2026
36AQI (US)
28th April 2026
31AQI (US)
29th April 2026
28AQI (US)
30th April 2026
34AQI (US)
1st May 2026
31AQI (US)
2nd May 2026
29AQI (US)
3rd May 2026
34AQI (US)
4th May 2026
33AQI (US)
5th May 2026
43AQI (US)
6th May 2026
45AQI (US)
7th May 2026
46AQI (US)
8th May 2026
35AQI (US)
9th May 2026
10th May 2026
52AQI (US)
11th May 2026
43AQI (US)
12th May 2026
42AQI (US)
13th May 2026
43AQI (US)
14th May 2026
37AQI (US)
15th May 2026
41AQI (US)
16th May 2026
48AQI (US)
17th May 2026
45AQI (US)
18th May 2026
42AQI (US)
19th May 2026
37AQI (US)
20th May 2026
44AQI (US)
21st May 2026
42AQI (US)
22nd May 2026
39AQI (US)
23rd May 2026
43AQI (US)
24th May 2026
46AQI (US)
25th May 2026
47AQI (US)
26th May 2026
39AQI (US)
27th May 2026
35AQI (US)
28th May 2026
46AQI (US)
29th May 2026
30AQI (US)
30th May 2026
26AQI (US)
31st May 2026
32AQI (US)
1st June 2026
48AQI (US)
2nd June 2026
50AQI (US)
3rd June 2026
49AQI (US)
4th June 2026
31AQI (US)
5th June 2026
33AQI (US)
6th June 2026
37AQI (US)
7th June 2026
23AQI (US)
8th June 2026
34AQI (US)
9th June 2026
32AQI (US)
10th June 2026
30AQI (US)
11th June 2026
45AQI (US)
12th June 2026
45AQI (US)
13th June 2026
37AQI (US)
14th June 2026
34AQI (US)
15th June 2026
56AQI (US)
16th June 2026
46AQI (US)
17th June 2026
44AQI (US)
18th June 2026
41AQI (US)
19th June 2026
51AQI (US)
20th June 2026
37AQI (US)
21st June 2026
37AQI (US)
22nd June 2026
38AQI (US)
23rd June 2026
41AQI (US)
24th June 2026
50AQI (US)
25th June 2026
27AQI (US)
26th June 2026
38AQI (US)
27th June 2026
29AQI (US)
28th June 2026
27AQI (US)
29th June 2026
24AQI (US)
30th June 2026
26AQI (US)
1st July 2026
29AQI (US)
2nd July 2026
29AQI (US)
3rd July 2026
28AQI (US)
4th July 2026
27AQI (US)
5th July 2026
43AQI (US)
6th July 2026
21AQI (US)
7th July 2026
22AQI (US)
8th July 2026
21AQI (US)
9th July 2026
21AQI (US)
10th July 2026
43AQI (US)
11th July 2026
28AQI (US)
12th July 2026
21AQI (US)
13th July 2026
25AQI (US)
14th July 2026
30AQI (US)
15th July 2026
53AQI (US)
16th July 2026
38AQI (US)
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

45AQI (US)

51AQI (US)

46AQI (US)

39AQI (US)

40AQI (US)

38AQI (US)

30AQI (US)

No. of days

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

202642AQI (US)

24
7
11
17
23
8
28
29
1
28
2
15
1
158
36

Highest AQI (US) recorded in

February

51AQI (US)

Lowest AQI (US) recorded in

July

30AQI (US)

202542AQI (US)

30
1
28
31
30
31
20
10
18
11
2
25
6
30
22
9
13
17
7
24
285
78
2

Highest AQI (US) recorded in

July

59AQI (US)

Lowest AQI (US) recorded in

May

31AQI (US)

202427AQI (US)

29
1
23
4
26
12
8
4
29
1
28
3
31
3
12
1
27
3
29
2
257
19

Highest AQI (US) recorded in

May

43AQI (US)

Lowest AQI (US) recorded in

September

12AQI (US)

202316AQI (US)

31
28
30
1
27
27
30
29
2
23
30
7
27
1
29
318
4

Highest AQI (US) recorded in

July

24AQI (US)

Lowest AQI (US) recorded in

October

7AQI (US)

202213AQI (US)

3
30
30
63

Highest AQI (US) recorded in

November

13AQI (US)

Lowest AQI (US) recorded in

December

12AQI (US)

Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded
2026(Avg.)
42AQI (US)
Least Polluted Year Recorded
2022(Avg.)
13AQI (US)

Calle De Diego 444 Outside's annual 2026 AQI (US) (42) shows an average percentage change of 110.2% (worsened AQI (US)) compared to previous years: 2022 (13), 2023 (16), 2024 (27), 2025 (42).