San Jose US Embassy, Santa Ana, San Jose, Costa Rica 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
San Jose US Embassy, Santa Ana, San Jose, Costa Rica
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
13th Aug 2021
70AQILowest AQI recorded on
1st Aug 2021
24AQISame Day Analysis (10th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 41 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 10th Aug - 11th Aug 2025
San Jose US Embassy, Santa Ana, San Jose, Costa Rica
AQI
Day
Night
.
5 AM10th Aug 2025
6 PM
4 AM11th Aug 2025
Day time
Avg. Highest Time
8AM10th Aug
54AQI
Avg. Lowest Time
5PM10th Aug
36AQI
Night time
Avg. Highest Time
2AM11th Aug
48AQI
Avg. Lowest Time
3AM11th Aug
26AQI
In the last 24 hours,
San Jose US Embassy's AQI reached its highest point of 54 at 8 AM during the Day, while the lowest point, 26, was recorded at 3 AM during the Night between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
San Jose US Embassy, Santa Ana, San Jose, Costa Rica
JulAug
12th - 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 - 10th10th - 11th11th
Day
Night
12th Jul 2025325 AMAQI
12th Jul 2025326 AMAQI
12th Jul 2025377 AMAQI
12th Jul 2025318 AMAQI
12th Jul 2025379 AMAQI
12th Jul 20253810 AMAQI
12th Jul 20254011 AMAQI
12th Jul 20253612 PMAQI
12th Jul 2025381 PMAQI
12th Jul 2025402 PMAQI
12th Jul 2025413 PMAQI
12th Jul 2025384 PMAQI
12th Jul 2025385 PMAQI
12th Jul 2025426 PMAQI
12th Jul 2025427 PMAQI
12th Jul 2025458 PMAQI
12th Jul 2025449 PMAQI
12th Jul 20254210 PMAQI
12th Jul 20254411 PMAQI
13th Jul 20254612 AMAQI
13th Jul 2025411 AMAQI
13th Jul 2025392 AMAQI
13th Jul 2025363 AMAQI
13th Jul 2025384 AMAQI
18°C15/22°C
13th Jul 2025405 AMAQI
13th Jul 2025396 AMAQI
13th Jul 2025467 AMAQI
13th Jul 2025458 AMAQI
13th Jul 2025449 AMAQI
13th Jul 20254210 AMAQI
13th Jul 20254311 AMAQI
13th Jul 20254312 PMAQI
13th Jul 2025441 PMAQI
13th Jul 2025502 PMAQI
13th Jul 2025483 PMAQI
13th Jul 2025454 PMAQI
13th Jul 2025465 PMAQI
13th Jul 2025486 PMAQI
13th Jul 2025427 PMAQI
13th Jul 2025468 PMAQI
13th Jul 2025449 PMAQI
13th Jul 20254010 PMAQI
13th Jul 20254111 PMAQI
14th Jul 20254012 AMAQI
14th Jul 2025341 AMAQI
14th Jul 2025332 AMAQI
14th Jul 2025303 AMAQI
14th Jul 2025284 AMAQI
19°C14/25°C
14th Jul 2025285 AMAQI
14th Jul 2025306 AMAQI
14th Jul 2025327 AMAQI
14th Jul 2025338 AMAQI
14th Jul 2025349 AMAQI
14th Jul 20253310 AMAQI
14th Jul 20253011 AMAQI
14th Jul 20253312 PMAQI
14th Jul 2025341 PMAQI
14th Jul 2025352 PMAQI
14th Jul 2025383 PMAQI
14th Jul 2025374 PMAQI
14th Jul 2025385 PMAQI
14th Jul 2025396 PMAQI
14th Jul 2025397 PMAQI
14th Jul 2025368 PMAQI
14th Jul 2025379 PMAQI
14th Jul 20253810 PMAQI
14th Jul 20253711 PMAQI
15th Jul 20253612 AMAQI
15th Jul 2025341 AMAQI
15th Jul 2025292 AMAQI
15th Jul 2025323 AMAQI
15th Jul 2025294 AMAQI
19°C15/25°C
15th Jul 2025335 AMAQI
15th Jul 2025326 AMAQI
15th Jul 2025357 AMAQI
15th Jul 2025358 AMAQI
15th Jul 2025409 AMAQI
15th Jul 20253410 AMAQI
15th Jul 20253611 AMAQI
15th Jul 20253612 PMAQI
15th Jul 2025381 PMAQI
15th Jul 2025382 PMAQI
15th Jul 2025363 PMAQI
15th Jul 2025364 PMAQI
15th Jul 2025365 PMAQI
15th Jul 2025336 PMAQI
15th Jul 2025357 PMAQI
15th Jul 2025388 PMAQI
15th Jul 2025389 PMAQI
15th Jul 20253810 PMAQI
15th Jul 20254011 PMAQI
16th Jul 20254112 AMAQI
16th Jul 2025281 AMAQI
16th Jul 2025262 AMAQI
16th Jul 2025253 AMAQI
16th Jul 2025254 AMAQI
18°C14/26°C
16th Jul 2025265 AMAQI
16th Jul 2025346 AMAQI
16th Jul 2025387 AMAQI
16th Jul 2025368 AMAQI
16th Jul 2025409 AMAQI
16th Jul 20254010 AMAQI
16th Jul 20253811 AMAQI
16th Jul 20253512 PMAQI
16th Jul 2025331 PMAQI
16th Jul 2025362 PMAQI
16th Jul 2025353 PMAQI
16th Jul 2025334 PMAQI
16th Jul 2025345 PMAQI
16th Jul 2025356 PMAQI
16th Jul 2025357 PMAQI
16th Jul 2025368 PMAQI
16th Jul 2025349 PMAQI
16th Jul 20253610 PMAQI
16th Jul 20253711 PMAQI
17th Jul 20253712 AMAQI
17th Jul 2025321 AMAQI
17th Jul 2025302 AMAQI
17th Jul 2025313 AMAQI
17th Jul 2025344 AMAQI
19°C13/27°C
17th Jul 2025385 AMAQI
17th Jul 2025376 AMAQI
17th Jul 2025427 AMAQI
17th Jul 2025438 AMAQI
17th Jul 2025399 AMAQI
17th Jul 20253410 AMAQI
17th Jul 20253211 AMAQI
17th Jul 20253412 PMAQI
17th Jul 2025341 PMAQI
17th Jul 2025382 PMAQI
17th Jul 2025363 PMAQI
17th Jul 2025344 PMAQI
17th Jul 2025355 PMAQI
17th Jul 2025356 PMAQI
17th Jul 2025347 PMAQI
17th Jul 2025358 PMAQI
17th Jul 2025369 PMAQI
17th Jul 20253610 PMAQI
17th Jul 20253611 PMAQI
18th Jul 20254012 AMAQI
18th Jul 2025371 AMAQI
18th Jul 2025282 AMAQI
18th Jul 2025293 AMAQI
18th Jul 2025284 AMAQI
19°C14/27°C
18th Jul 2025315 AMAQI
18th Jul 2025296 AMAQI
18th Jul 2025327 AMAQI
18th Jul 2025358 AMAQI
18th Jul 2025349 AMAQI
18th Jul 20253210 AMAQI
18th Jul 20253211 AMAQI
18th Jul 20253112 PMAQI
18th Jul 2025341 PMAQI
18th Jul 2025382 PMAQI
18th Jul 2025383 PMAQI
18th Jul 2025364 PMAQI
18th Jul 2025365 PMAQI
18th Jul 2025376 PMAQI
18th Jul 2025357 PMAQI
18th Jul 2025398 PMAQI
18th Jul 2025409 PMAQI
18th Jul 20253810 PMAQI
18th Jul 20253911 PMAQI
19th Jul 20253612 AMAQI
19th Jul 2025331 AMAQI
19th Jul 2025382 AMAQI
19th Jul 2025313 AMAQI
19th Jul 2025314 AMAQI
20°C16/26°C
19th Jul 2025305 AMAQI
19th Jul 2025346 AMAQI
19th Jul 2025367 AMAQI
19th Jul 2025468 AMAQI
19th Jul 2025399 AMAQI
19th Jul 20253810 AMAQI
19th Jul 20253811 AMAQI
19th Jul 20254112 PMAQI
19th Jul 2025381 PMAQI
19th Jul 2025402 PMAQI
19th Jul 2025383 PMAQI
19th Jul 2025384 PMAQI
19th Jul 2025385 PMAQI
19th Jul 2025386 PMAQI
19th Jul 2025387 PMAQI
19th Jul 2025428 PMAQI
19th Jul 2025419 PMAQI
19th Jul 20253910 PMAQI
19th Jul 20254011 PMAQI
20th Jul 20254212 AMAQI
20th Jul 2025341 AMAQI
20th Jul 2025342 AMAQI
20th Jul 2025303 AMAQI
20th Jul 2025324 AMAQI
19°C16/24°C
20th Jul 2025345 AMAQI
20th Jul 2025386 AMAQI
20th Jul 2025367 AMAQI
20th Jul 2025368 AMAQI
20th Jul 2025369 AMAQI
20th Jul 20253710 AMAQI
20th Jul 20253211 AMAQI
20th Jul 20253712 PMAQI
20th Jul 2025361 PMAQI
20th Jul 2025402 PMAQI
20th Jul 2025383 PMAQI
20th Jul 2025404 PMAQI
20th Jul 2025395 PMAQI
20th Jul 2025416 PMAQI
20th Jul 2025417 PMAQI
20th Jul 2025408 PMAQI
20th Jul 2025389 PMAQI
20th Jul 20253810 PMAQI
20th Jul 20255111 PMAQI
21st Jul 20254512 AMAQI
21st Jul 2025461 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025243 AMAQI
21st Jul 2025344 AMAQI
19°C15/26°C
21st Jul 2025305 AMAQI
21st Jul 2025346 AMAQI
21st Jul 2025407 AMAQI
21st Jul 2025408 AMAQI
21st Jul 2025409 AMAQI
21st Jul 20253610 AMAQI
21st Jul 20254111 AMAQI
21st Jul 20254112 PMAQI
21st Jul 2025401 PMAQI
21st Jul 2025412 PMAQI
21st Jul 2025403 PMAQI
21st Jul 2025414 PMAQI
21st Jul 2025405 PMAQI
21st Jul 2025406 PMAQI
21st Jul 2025407 PMAQI
21st Jul 2025408 PMAQI
21st Jul 2025379 PMAQI
21st Jul 20254110 PMAQI
21st Jul 20254011 PMAQI
22nd Jul 20254212 AMAQI
22nd Jul 2025361 AMAQI
22nd Jul 2025302 AMAQI
22nd Jul 2025333 AMAQI
22nd Jul 2025344 AMAQI
19°C14/25°C
22nd Jul 2025325 AMAQI
22nd Jul 2025396 AMAQI
22nd Jul 2025437 AMAQI
22nd Jul 2025458 AMAQI
22nd Jul 2025389 AMAQI
22nd Jul 20254010 AMAQI
22nd Jul 20254011 AMAQI
22nd Jul 20254212 PMAQI
22nd Jul 2025421 PMAQI
22nd Jul 2025402 PMAQI
22nd Jul 2025413 PMAQI
22nd Jul 2025384 PMAQI
22nd Jul 2025365 PMAQI
22nd Jul 2025406 PMAQI
22nd Jul 2025407 PMAQI
22nd Jul 2025408 PMAQI
22nd Jul 2025399 PMAQI
22nd Jul 20254110 PMAQI
22nd Jul 20254111 PMAQI
23rd Jul 20253812 AMAQI
23rd Jul 2025431 AMAQI
23rd Jul 2025392 AMAQI
23rd Jul 2025333 AMAQI
23rd Jul 2025374 AMAQI
18°C15/23°C
23rd Jul 2025425 AMAQI
23rd Jul 2025476 AMAQI
23rd Jul 2025487 AMAQI
23rd Jul 2025528 AMAQI
23rd Jul 2025529 AMAQI
23rd Jul 20255110 AMAQI
23rd Jul 20254511 AMAQI
23rd Jul 20254112 PMAQI
23rd Jul 2025411 PMAQI
23rd Jul 2025442 PMAQI
23rd Jul 2025453 PMAQI
23rd Jul 2025464 PMAQI
23rd Jul 2025455 PMAQI
23rd Jul 2025426 PMAQI
23rd Jul 2025407 PMAQI
23rd Jul 2025448 PMAQI
23rd Jul 2025489 PMAQI
23rd Jul 20255010 PMAQI
23rd Jul 20254911 PMAQI
24th Jul 20255012 AMAQI
24th Jul 2025421 AMAQI
24th Jul 2025352 AMAQI
24th Jul 2025363 AMAQI
24th Jul 2025324 AMAQI
19°C15/25°C
24th Jul 2025365 AMAQI
24th Jul 2025426 AMAQI
24th Jul 2025427 AMAQI
24th Jul 2025398 AMAQI
24th Jul 2025409 AMAQI
24th Jul 20254110 AMAQI
24th Jul 20254311 AMAQI
24th Jul 20254212 PMAQI
24th Jul 2025381 PMAQI
24th Jul 2025402 PMAQI
24th Jul 2025413 PMAQI
24th Jul 2025424 PMAQI
24th Jul 2025405 PMAQI
24th Jul 2025426 PMAQI
24th Jul 2025407 PMAQI
24th Jul 2025438 PMAQI
24th Jul 2025429 PMAQI
24th Jul 20254210 PMAQI
24th Jul 20254411 PMAQI
25th Jul 20254612 AMAQI
25th Jul 2025411 AMAQI
25th Jul 2025292 AMAQI
25th Jul 2025263 AMAQI
25th Jul 2025264 AMAQI
19°C14/27°C
25th Jul 2025305 AMAQI
25th Jul 2025366 AMAQI
25th Jul 2025367 AMAQI
25th Jul 2025418 AMAQI
25th Jul 2025439 AMAQI
25th Jul 20253810 AMAQI
25th Jul 20253411 AMAQI
25th Jul 20253412 PMAQI
25th Jul 2025341 PMAQI
25th Jul 2025362 PMAQI
25th Jul 2025353 PMAQI
25th Jul 2025344 PMAQI
25th Jul 2025355 PMAQI
25th Jul 2025406 PMAQI
25th Jul 2025427 PMAQI
25th Jul 2025368 PMAQI
25th Jul 2025409 PMAQI
25th Jul 20253610 PMAQI
25th Jul 20253311 PMAQI
26th Jul 20253712 AMAQI
26th Jul 2025421 AMAQI
26th Jul 2025322 AMAQI
26th Jul 2025313 AMAQI
26th Jul 2025304 AMAQI
19°C15/25°C
26th Jul 2025305 AMAQI
26th Jul 2025336 AMAQI
26th Jul 2025377 AMAQI
26th Jul 2025408 AMAQI
26th Jul 2025409 AMAQI
26th Jul 20254010 AMAQI
26th Jul 20253611 AMAQI
26th Jul 20253912 PMAQI
26th Jul 2025351 PMAQI
26th Jul 2025342 PMAQI
26th Jul 2025343 PMAQI
26th Jul 2025414 PMAQI
26th Jul 2025335 PMAQI
26th Jul 2025356 PMAQI
26th Jul 2025387 PMAQI
26th Jul 2025328 PMAQI
26th Jul 2025349 PMAQI
26th Jul 20253210 PMAQI
26th Jul 20253211 PMAQI
27th Jul 20253012 AMAQI
27th Jul 2025361 AMAQI
27th Jul 2025402 AMAQI
27th Jul 2025283 AMAQI
27th Jul 2025324 AMAQI
18°C15/25°C
27th Jul 2025275 AMAQI
27th Jul 2025286 AMAQI
27th Jul 2025327 AMAQI
27th Jul 2025338 AMAQI
27th Jul 2025339 AMAQI
27th Jul 20253210 AMAQI
27th Jul 20253211 AMAQI
27th Jul 20253612 PMAQI
27th Jul 2025311 PMAQI
27th Jul 2025322 PMAQI
27th Jul 2025333 PMAQI
27th Jul 2025334 PMAQI
27th Jul 2025335 PMAQI
27th Jul 2025386 PMAQI
27th Jul 2025347 PMAQI
27th Jul 2025348 PMAQI
27th Jul 2025329 PMAQI
27th Jul 20253410 PMAQI
27th Jul 20253211 PMAQI
28th Jul 20253312 AMAQI
28th Jul 2025321 AMAQI
28th Jul 2025272 AMAQI
28th Jul 2025253 AMAQI
28th Jul 2025244 AMAQI
18°C15/23°C
28th Jul 2025275 AMAQI
28th Jul 2025286 AMAQI
28th Jul 2025297 AMAQI
28th Jul 2025298 AMAQI
28th Jul 2025319 AMAQI
28th Jul 20253610 AMAQI
28th Jul 20253211 AMAQI
28th Jul 20253212 PMAQI
28th Jul 2025341 PMAQI
28th Jul 2025352 PMAQI
28th Jul 2025343 PMAQI
28th Jul 2025324 PMAQI
28th Jul 2025335 PMAQI
28th Jul 2025336 PMAQI
28th Jul 2025327 PMAQI
28th Jul 2025338 PMAQI
28th Jul 2025349 PMAQI
28th Jul 20253310 PMAQI
28th Jul 20253611 PMAQI
29th Jul 20253312 AMAQI
29th Jul 2025321 AMAQI
29th Jul 2025322 AMAQI
29th Jul 2025323 AMAQI
29th Jul 2025304 AMAQI
18°C16/24°C
29th Jul 2025305 AMAQI
29th Jul 2025336 AMAQI
29th Jul 2025377 AMAQI
29th Jul 2025378 AMAQI
29th Jul 2025349 AMAQI
29th Jul 20253210 AMAQI
29th Jul 20253211 AMAQI
29th Jul 20253312 PMAQI
29th Jul 2025341 PMAQI
29th Jul 2025322 PMAQI
29th Jul 2025323 PMAQI
29th Jul 2025314 PMAQI
29th Jul 2025325 PMAQI
29th Jul 2025336 PMAQI
29th Jul 2025337 PMAQI
29th Jul 2025328 PMAQI
29th Jul 2025329 PMAQI
29th Jul 20253410 PMAQI
29th Jul 20253311 PMAQI
30th Jul 20253012 AMAQI
30th Jul 2025321 AMAQI
30th Jul 2025372 AMAQI
30th Jul 2025273 AMAQI
30th Jul 2025284 AMAQI
19°C16/24°C
30th Jul 2025335 AMAQI
30th Jul 2025346 AMAQI
30th Jul 2025337 AMAQI
30th Jul 2025358 AMAQI
30th Jul 2025379 AMAQI
30th Jul 20253610 AMAQI
30th Jul 20253811 AMAQI
30th Jul 20254012 PMAQI
30th Jul 2025431 PMAQI
30th Jul 2025432 PMAQI
30th Jul 2025433 PMAQI
30th Jul 2025434 PMAQI
30th Jul 2025435 PMAQI
30th Jul 2025436 PMAQI
30th Jul 2025437 PMAQI
30th Jul 2025368 PMAQI
30th Jul 2025389 PMAQI
30th Jul 20253510 PMAQI
30th Jul 20253511 PMAQI
31st Jul 20254012 AMAQI
31st Jul 2025391 AMAQI
31st Jul 2025352 AMAQI
31st Jul 2025363 AMAQI
31st Jul 2025334 AMAQI
19°C15/26°C
31st Jul 2025325 AMAQI
31st Jul 2025446 AMAQI
31st Jul 2025447 AMAQI
31st Jul 2025478 AMAQI
31st Jul 2025509 AMAQI
31st Jul 20255010 AMAQI
31st Jul 20255211 AMAQI
31st Jul 20255212 PMAQI
31st Jul 2025461 PMAQI
31st Jul 2025522 PMAQI
31st Jul 2025503 PMAQI
31st Jul 2025484 PMAQI
31st Jul 2025465 PMAQI
31st Jul 2025446 PMAQI
31st Jul 2025407 PMAQI
31st Jul 2025398 PMAQI
31st Jul 2025389 PMAQI
31st Jul 20254210 PMAQI
31st Jul 20254511 PMAQI
1st Aug 20254212 AMAQI
1st Aug 2025421 AMAQI
1st Aug 2025472 AMAQI
1st Aug 2025393 AMAQI
1st Aug 2025464 AMAQI
19°C15/26°C
1st Aug 2025425 AMAQI
1st Aug 2025426 AMAQI
1st Aug 2025467 AMAQI
1st Aug 2025468 AMAQI
1st Aug 2025489 AMAQI
1st Aug 20255110 AMAQI
1st Aug 20255011 AMAQI
1st Aug 20255112 PMAQI
1st Aug 2025511 PMAQI
1st Aug 2025512 PMAQI
1st Aug 2025493 PMAQI
1st Aug 2025534 PMAQI
1st Aug 2025505 PMAQI
1st Aug 2025486 PMAQI
1st Aug 2025487 PMAQI
1st Aug 2025528 PMAQI
1st Aug 2025539 PMAQI
1st Aug 20254910 PMAQI
1st Aug 20254811 PMAQI
2nd Aug 20255212 AMAQI
2nd Aug 2025501 AMAQI
2nd Aug 2025492 AMAQI
2nd Aug 2025473 AMAQI
2nd Aug 2025524 AMAQI
19°C14/26°C
2nd Aug 2025495 AMAQI
2nd Aug 2025506 AMAQI
2nd Aug 2025467 AMAQI
2nd Aug 2025508 AMAQI
2nd Aug 2025529 AMAQI
2nd Aug 20255410 AMAQI
2nd Aug 20255011 AMAQI
2nd Aug 20255012 PMAQI
2nd Aug 2025521 PMAQI
2nd Aug 2025532 PMAQI
2nd Aug 2025523 PMAQI
2nd Aug 2025504 PMAQI
2nd Aug 2025485 PMAQI
2nd Aug 2025466 PMAQI
2nd Aug 2025457 PMAQI
2nd Aug 2025408 PMAQI
2nd Aug 2025339 PMAQI
2nd Aug 20254110 PMAQI
2nd Aug 20253911 PMAQI
3rd Aug 20253912 AMAQI
3rd Aug 2025381 AMAQI
3rd Aug 2025462 AMAQI
3rd Aug 2025493 AMAQI
3rd Aug 2025364 AMAQI
19°C14/26°C
3rd Aug 2025345 AMAQI
3rd Aug 2025346 AMAQI
3rd Aug 2025317 AMAQI
3rd Aug 2025278 AMAQI
3rd Aug 2025289 AMAQI
3rd Aug 20253310 AMAQI
3rd Aug 20252911 AMAQI
3rd Aug 20252812 PMAQI
3rd Aug 2025341 PMAQI
3rd Aug 2025362 PMAQI
3rd Aug 2025383 PMAQI
3rd Aug 2025374 PMAQI
3rd Aug 2025375 PMAQI
3rd Aug 2025236 PMAQI
3rd Aug 2025317 PMAQI
3rd Aug 2025378 PMAQI
3rd Aug 2025349 PMAQI
3rd Aug 20253610 PMAQI
3rd Aug 20253911 PMAQI
4th Aug 20253412 AMAQI
4th Aug 2025311 AMAQI
4th Aug 2025322 AMAQI
4th Aug 2025303 AMAQI
4th Aug 2025284 AMAQI
18°C14/25°C
4th Aug 2025365 AMAQI
4th Aug 2025336 AMAQI
4th Aug 2025377 AMAQI
4th Aug 2025358 AMAQI
4th Aug 2025329 AMAQI
4th Aug 20253410 AMAQI
4th Aug 20253411 AMAQI
4th Aug 20253612 PMAQI
4th Aug 2025381 PMAQI
4th Aug 2025372 PMAQI
4th Aug 2025303 PMAQI
4th Aug 2025284 PMAQI
4th Aug 2025285 PMAQI
4th Aug 2025266 PMAQI
4th Aug 2025297 PMAQI
4th Aug 2025338 PMAQI
4th Aug 2025339 PMAQI
4th Aug 20252510 PMAQI
4th Aug 20252711 PMAQI
5th Aug 20252812 AMAQI
5th Aug 2025321 AMAQI
5th Aug 2025362 AMAQI
5th Aug 2025323 AMAQI
5th Aug 2025364 AMAQI
17°C14/24°C
5th Aug 2025275 AMAQI
5th Aug 2025366 AMAQI
5th Aug 2025367 AMAQI
5th Aug 2025468 AMAQI
5th Aug 2025509 AMAQI
5th Aug 20255010 AMAQI
5th Aug 20255311 AMAQI
5th Aug 20255312 PMAQI
5th Aug 2025461 PMAQI
5th Aug 2025432 PMAQI
5th Aug 2025423 PMAQI
5th Aug 2025444 PMAQI
5th Aug 2025455 PMAQI
5th Aug 2025276 PMAQI
5th Aug 2025367 PMAQI
5th Aug 2025368 PMAQI
5th Aug 2025419 PMAQI
5th Aug 20253710 PMAQI
5th Aug 20254811 PMAQI
6th Aug 20254612 AMAQI
6th Aug 2025321 AMAQI
6th Aug 2025252 AMAQI
6th Aug 2025303 AMAQI
6th Aug 2025384 AMAQI
17°C14/22°C
6th Aug 2025455 AMAQI
6th Aug 2025456 AMAQI
6th Aug 2025467 AMAQI
6th Aug 2025438 AMAQI
6th Aug 2025459 AMAQI
6th Aug 20254510 AMAQI
6th Aug 20255011 AMAQI
6th Aug 20255612 PMAQI
6th Aug 2025461 PMAQI
6th Aug 2025382 PMAQI
6th Aug 2025393 PMAQI
6th Aug 2025404 PMAQI
6th Aug 2025385 PMAQI
6th Aug 2025386 PMAQI
6th Aug 2025407 PMAQI
6th Aug 2025428 PMAQI
6th Aug 2025409 PMAQI
6th Aug 20253810 PMAQI
6th Aug 20254711 PMAQI
7th Aug 20253812 AMAQI
7th Aug 2025341 AMAQI
7th Aug 2025312 AMAQI
7th Aug 2025283 AMAQI
7th Aug 2025344 AMAQI
18°C14/25°C
7th Aug 2025245 AMAQI
7th Aug 2025306 AMAQI
7th Aug 2025307 AMAQI
7th Aug 2025298 AMAQI
7th Aug 2025299 AMAQI
7th Aug 20253610 AMAQI
7th Aug 20253111 AMAQI
7th Aug 20253012 PMAQI
7th Aug 2025341 PMAQI
7th Aug 2025292 PMAQI
7th Aug 2025323 PMAQI
7th Aug 2025314 PMAQI
7th Aug 2025305 PMAQI
7th Aug 2025326 PMAQI
7th Aug 2025327 PMAQI
7th Aug 2025328 PMAQI
7th Aug 2025329 PMAQI
7th Aug 20253110 PMAQI
7th Aug 20253211 PMAQI
8th Aug 20252912 AMAQI
8th Aug 2025381 AMAQI
8th Aug 2025292 AMAQI
8th Aug 2025333 AMAQI
8th Aug 2025324 AMAQI
18°C13/26°C
8th Aug 2025325 AMAQI
8th Aug 2025306 AMAQI
8th Aug 2025337 AMAQI
8th Aug 2025328 AMAQI
8th Aug 2025399 AMAQI
8th Aug 20253610 AMAQI
8th Aug 20253411 AMAQI
8th Aug 20253312 PMAQI
8th Aug 2025331 PMAQI
8th Aug 2025342 PMAQI
8th Aug 2025343 PMAQI
8th Aug 2025344 PMAQI
8th Aug 2025335 PMAQI
8th Aug 2025346 PMAQI
8th Aug 2025367 PMAQI
8th Aug 2025388 PMAQI
8th Aug 2025379 PMAQI
8th Aug 20253710 PMAQI
8th Aug 20254211 PMAQI
9th Aug 20254812 AMAQI
9th Aug 2025521 AMAQI
9th Aug 2025452 AMAQI
9th Aug 2025413 AMAQI
9th Aug 2025434 AMAQI
19°C13/27°C
9th Aug 2025455 AMAQI
9th Aug 2025546 AMAQI
9th Aug 2025557 AMAQI
9th Aug 2025578 AMAQI
9th Aug 2025549 AMAQI
9th Aug 20255310 AMAQI
9th Aug 20255211 AMAQI
9th Aug 20255212 PMAQI
9th Aug 2025521 PMAQI
9th Aug 2025492 PMAQI
9th Aug 2025493 PMAQI
9th Aug 2025464 PMAQI
9th Aug 2025465 PMAQI
9th Aug 2025496 PMAQI
9th Aug 2025527 PMAQI
9th Aug 2025518 PMAQI
9th Aug 2025529 PMAQI
9th Aug 20255210 PMAQI
9th Aug 20254811 PMAQI
10th Aug 20254412 AMAQI
10th Aug 2025461 AMAQI
10th Aug 2025342 AMAQI
10th Aug 2025373 AMAQI
10th Aug 2025364 AMAQI
18°C13/26°C
10th Aug 2025375 AMAQI
10th Aug 2025406 AMAQI
10th Aug 2025467 AMAQI
10th Aug 2025548 AMAQI
10th Aug 2025529 AMAQI
10th Aug 20254810 AMAQI
10th Aug 20254011 AMAQI
10th Aug 20253612 PMAQI
10th Aug 2025361 PMAQI
10th Aug 2025392 PMAQI
10th Aug 2025403 PMAQI
10th Aug 2025414 PMAQI
10th Aug 2025365 PMAQI
10th Aug 2025406 PMAQI
10th Aug 2025417 PMAQI
10th Aug 2025418 PMAQI
10th Aug 2025429 PMAQI
10th Aug 20254210 PMAQI
10th Aug 20253911 PMAQI
11th Aug 20253412 AMAQI
11th Aug 2025361 AMAQI
11th Aug 2025482 AMAQI
11th Aug 2025263 AMAQI
11th Aug 2025344 AMAQI
18°C14/24°C
11th Aug 2025385 AMAQI
5 AM11th Aug 2025426 AMAQI
11th Aug 2025447 AMAQI
11th Aug 2025408 AMAQI
11th Aug 2025379 AMAQI
11th Aug 20253710 AMAQI
11th Aug 20253611 AMAQI
11 AM11th Aug 20253412 PMAQI
11th Aug 2025381 PMAQI
11th Aug 2025402 PMAQI
11th Aug 2025393 PMAQI
11th Aug 2025424 PMAQI
11th Aug 2025525 PMAQI
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
7 AM - 6 PM
39AQI
12 hours / Day
360 hours / Month
Avg. Lowest Time
5 AM
34AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 6 PM (Avg. 39), while the lowest AQI was between 5 AM to 5 AM (Avg. 34).
Night time
Avg. Highest Time
7 PM - 11 PM
39AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
3 AM - 4 AM
33AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 11 PM (Avg. 39), while the lowest AQI was between 3 AM to 4 AM (Avg. 33).
2025 Days Vs Air Quality
San Jose US Embassy, Santa Ana, San Jose, Costa Rica
2025
65%
145
35%
77
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Good
145 DaysModerate
77 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 65%
Health Risk Level:
Moderate
In 2025, 65% of 223 days were within WHO’s safe air quality limits, and 35% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
San Jose US Embassy, Santa Ana, San Jose, Costa Rica
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
1st January 2025
43AQI
43AQI
2nd January 2025
42AQI
42AQI
3rd January 2025
58AQI
58AQI
4th January 2025
52AQI
52AQI
5th January 2025
50AQI
50AQI
6th January 2025
52AQI
52AQI
7th January 2025
59AQI
59AQI
8th January 2025
57AQI
57AQI
9th January 2025
54AQI
54AQI
10th January 2025
53AQI
53AQI
11th January 2025
51AQI
51AQI
12th January 2025
52AQI
52AQI
13th January 2025
50AQI
50AQI
14th January 2025
53AQI
53AQI
15th January 2025
53AQI
53AQI
16th January 2025
46AQI
46AQI
17th January 2025
45AQI
45AQI
18th January 2025
49AQI
49AQI
19th January 2025
48AQI
48AQI
20th January 2025
49AQI
49AQI
21st January 2025
51AQI
51AQI
22nd January 2025
49AQI
49AQI
23rd January 2025
50AQI
50AQI
24th January 2025
56AQI
56AQI
25th January 2025
58AQI
58AQI
26th January 2025
57AQI
57AQI
27th January 2025
54AQI
54AQI
28th January 2025
54AQI
54AQI
29th January 2025
54AQI
54AQI
30th January 2025
52AQI
52AQI
31st January 2025
52AQI
52AQI
1st February 2025
53AQI
53AQI
2nd February 2025
55AQI
55AQI
3rd February 2025
57AQI
57AQI
4th February 2025
55AQI
55AQI
5th February 2025
55AQI
55AQI
6th February 2025
62AQI
62AQI
7th February 2025
59AQI
59AQI
8th February 2025
60AQI
60AQI
9th February 2025
57AQI
57AQI
10th February 2025
54AQI
54AQI
11th February 2025
55AQI
55AQI
12th February 2025
58AQI
58AQI
13th February 2025
50AQI
50AQI
14th February 2025
45AQI
45AQI
15th February 2025
44AQI
44AQI
16th February 2025
39AQI
39AQI
17th February 2025
33AQI
33AQI
18th February 2025
33AQI
33AQI
19th February 2025
39AQI
39AQI
20th February 2025
37AQI
37AQI
21st February 2025
32AQI
32AQI
22nd February 2025
34AQI
34AQI
23rd February 2025
33AQI
33AQI
24th February 2025
33AQI
33AQI
25th February 2025
36AQI
36AQI
26th February 2025
38AQI
38AQI
27th February 2025
44AQI
44AQI
28th February 2025
41AQI
41AQI
1st March 2025
43AQI
43AQI
2nd March 2025
37AQI
37AQI
3rd March 2025
40AQI
40AQI
4th March 2025
39AQI
39AQI
5th March 2025
41AQI
41AQI
6th March 2025
40AQI
40AQI
7th March 2025
37AQI
37AQI
8th March 2025
38AQI
38AQI
9th March 2025
37AQI
37AQI
10th March 2025
37AQI
37AQI
11th March 2025
37AQI
37AQI
12th March 2025
45AQI
45AQI
13th March 2025
55AQI
55AQI
14th March 2025
54AQI
54AQI
15th March 2025
46AQI
46AQI
16th March 2025
45AQI
45AQI
17th March 2025
56AQI
56AQI
18th March 2025
59AQI
59AQI
19th March 2025
56AQI
56AQI
20th March 2025
53AQI
53AQI
21st March 2025
54AQI
54AQI
22nd March 2025
54AQI
54AQI
23rd March 2025
52AQI
52AQI
24th March 2025
54AQI
54AQI
25th March 2025
62AQI
62AQI
26th March 2025
61AQI
61AQI
27th March 2025
62AQI
62AQI
28th March 2025
64AQI
64AQI
29th March 2025
64AQI
64AQI
30th March 2025
61AQI
61AQI
31st March 2025
62AQI
62AQI
1st April 2025
61AQI
61AQI
2nd April 2025
62AQI
62AQI
3rd April 2025
59AQI
59AQI
4th April 2025
57AQI
57AQI
5th April 2025
56AQI
56AQI
6th April 2025
52AQI
52AQI
7th April 2025
52AQI
52AQI
8th April 2025
48AQI
48AQI
9th April 2025
49AQI
49AQI
10th April 2025
51AQI
51AQI
11th April 2025
51AQI
51AQI
12th April 2025
54AQI
54AQI
13th April 2025
57AQI
57AQI
14th April 2025
57AQI
57AQI
15th April 2025
58AQI
58AQI
16th April 2025
60AQI
60AQI
17th April 2025
57AQI
57AQI
18th April 2025
58AQI
58AQI
19th April 2025
52AQI
52AQI
20th April 2025
52AQI
52AQI
21st April 2025
54AQI
54AQI
22nd April 2025
56AQI
56AQI
23rd April 2025
55AQI
55AQI
24th April 2025
51AQI
51AQI
25th April 2025
51AQI
51AQI
26th April 2025
52AQI
52AQI
27th April 2025
51AQI
51AQI
28th April 2025
52AQI
52AQI
29th April 2025
55AQI
55AQI
30th April 2025
53AQI
53AQI
1st May 2025
44AQI
44AQI
2nd May 2025
46AQI
46AQI
3rd May 2025
47AQI
47AQI
4th May 2025
48AQI
48AQI
5th May 2025
45AQI
45AQI
6th May 2025
47AQI
47AQI
7th May 2025
44AQI
44AQI
8th May 2025
48AQI
48AQI
9th May 2025
48AQI
48AQI
10th May 2025
44AQI
44AQI
11th May 2025
34AQI
34AQI
12th May 2025
35AQI
35AQI
13th May 2025
36AQI
36AQI
14th May 2025
44AQI
44AQI
15th May 2025
44AQI
44AQI
16th May 2025
42AQI
42AQI
17th May 2025
45AQI
45AQI
18th May 2025
47AQI
47AQI
19th May 2025
45AQI
45AQI
20th May 2025
41AQI
41AQI
21st May 2025
44AQI
44AQI
22nd May 2025
42AQI
42AQI
23rd May 2025
39AQI
39AQI
24th May 2025
41AQI
41AQI
25th May 2025
40AQI
40AQI
26th May 2025
41AQI
41AQI
27th May 2025
42AQI
42AQI
28th May 2025
38AQI
38AQI
29th May 2025
40AQI
40AQI
30th May 2025
43AQI
43AQI
31st May 2025
41AQI
41AQI
1st June 2025
39AQI
39AQI
2nd June 2025
42AQI
42AQI
3rd June 2025
43AQI
43AQI
4th June 2025
40AQI
40AQI
5th June 2025
40AQI
40AQI
6th June 2025
37AQI
37AQI
7th June 2025
37AQI
37AQI
8th June 2025
36AQI
36AQI
9th June 2025
34AQI
34AQI
10th June 2025
36AQI
36AQI
11th June 2025
38AQI
38AQI
12th June 2025
42AQI
42AQI
13th June 2025
37AQI
37AQI
14th June 2025
37AQI
37AQI
15th June 2025
34AQI
34AQI
16th June 2025
35AQI
35AQI
17th June 2025
34AQI
34AQI
18th June 2025
33AQI
33AQI
19th June 2025
31AQI
31AQI
20th June 2025
33AQI
33AQI
21st June 2025
31AQI
31AQI
22nd June 2025
31AQI
31AQI
23rd June 2025
32AQI
32AQI
24th June 2025
40AQI
40AQI
25th June 2025
38AQI
38AQI
26th June 2025
32AQI
32AQI
27th June 2025
35AQI
35AQI
28th June 2025
34AQI
34AQI
29th June 2025
34AQI
34AQI
30th June 2025
32AQI
32AQI
1st July 2025
30AQI
30AQI
2nd July 2025
30AQI
30AQI
3rd July 2025
34AQI
34AQI
4th July 2025
34AQI
34AQI
5th July 2025
40AQI
40AQI
6th July 2025
42AQI
42AQI
7th July 2025
37AQI
37AQI
8th July 2025
39AQI
39AQI
9th July 2025
47AQI
47AQI
10th July 2025
33AQI
33AQI
11th July 2025
37AQI
37AQI
12th July 2025
37AQI
37AQI
13th July 2025
43AQI
43AQI
14th July 2025
35AQI
35AQI
15th July 2025
35AQI
35AQI
16th July 2025
33AQI
33AQI
17th July 2025
35AQI
35AQI
18th July 2025
35AQI
35AQI
19th July 2025
37AQI
37AQI
20th July 2025
37AQI
37AQI
21st July 2025
39AQI
39AQI
22nd July 2025
38AQI
38AQI
23rd July 2025
43AQI
43AQI
24th July 2025
40AQI
40AQI
25th July 2025
36AQI
36AQI
26th July 2025
35AQI
35AQI
27th July 2025
33AQI
33AQI
28th July 2025
31AQI
31AQI
29th July 2025
33AQI
33AQI
30th July 2025
36AQI
36AQI
31st July 2025
42AQI
42AQI
1st August 2025
47AQI
47AQI
2nd August 2025
48AQI
48AQI
3rd August 2025
35AQI
35AQI
4th August 2025
31AQI
31AQI
5th August 2025
39AQI
39AQI
6th August 2025
40AQI
40AQI
7th August 2025
32AQI
32AQI
8th August 2025
34AQI
34AQI
9th August 2025
49AQI
49AQI
10th August 2025
41AQI
41AQI
52AQI
46AQI
50AQI
54AQI
43AQI
36AQI
37AQI
40AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202545AQI
11
20
16
12
14
17
2
28
31
30
31
10
145
77
Highest AQI recorded in
April54AQI
Lowest AQI recorded in
June36AQI
202443AQI
14
2
1
1
2
10
15
15
24
7
25
6
28
30
1
24
6
7
24
169
73
Highest AQI recorded in
April76AQI
Lowest AQI recorded in
October27AQI
202330AQI
24
25
27
3
20
9
30
1
29
1
3
1
5
5
3
29
2
196
21
Highest AQI recorded in
September51AQI
Lowest AQI recorded in
July7AQI
202229AQI
31
22
30
1
20
1
8
1
30
22
1
26
3
29
2
27
3
31
276
12
Highest AQI recorded in
August51AQI
Lowest AQI recorded in
January18AQI
202132AQI
30
24
3
28
1
28
31
29
1
29
2
20
2
26
2
22
4
13
24
304
15
Highest AQI recorded in
October39AQI
Lowest AQI recorded in
December21AQI
202036AQI
11
17
3
14
3
24
4
1
23
5
28
3
28
2
28
2
28
2
31
232
24
1
Highest AQI recorded in
June43AQI
Lowest AQI recorded in
December24AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
45AQILeast Polluted Year Recorded
2022(Avg.)
29AQISan Jose US Embassy's annual 2025 AQI (45) shows an average percentage change of 34.2% (worsened AQI) compared to previous years: 2020 (36), 2021 (32), 2022 (29), 2023 (30), 2024 (43).
