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+
July Air Quality Analysis
San Jose US Embassy, Santa Ana, San Jose, Costa Rica
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
6th Jul 2024
54AQILowest AQI recorded on
20th Jul 2022
4AQISame Day Analysis (12th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 32 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 12th Jul - 13th Jul 2026
San Jose US Embassy, Santa Ana, San Jose, Costa Rica
AQI
Day
Night
.
5 AM12th Jul 2026
6 PM
4 AM13th Jul 2026
Day time
Avg. Highest Time
10AM12th Jul
42AQI
Avg. Lowest Time
2PM12th Jul
14AQI
Night time
Avg. Highest Time
11PM12th Jul
40AQI
Avg. Lowest Time
9PM12th Jul
28AQI
In the last 24 hours,
San Jose US Embassy's AQI reached its highest point of 42 at 10 AM during the Day, while the lowest point, 14, was recorded at 2 PM during the Day between 12th Jul and 13th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
San Jose US Embassy, Santa Ana, San Jose, Costa Rica
JunJul
14th - 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 - 13th13th
Day
Night
14th Jun 2026295 AMAQI
14th Jun 2026256 AMAQI
14th Jun 2026277 AMAQI
14th Jun 2026288 AMAQI
14th Jun 2026289 AMAQI
14th Jun 20263010 AMAQI
14th Jun 20262611 AMAQI
14th Jun 20262412 PMAQI
14th Jun 2026221 PMAQI
14th Jun 2026362 PMAQI
14th Jun 2026383 PMAQI
14th Jun 2026344 PMAQI
14th Jun 2026345 PMAQI
14th Jun 2026296 PMAQI
14th Jun 2026237 PMAQI
14th Jun 2026288 PMAQI
14th Jun 2026269 PMAQI
14th Jun 20262610 PMAQI
14th Jun 20262411 PMAQI
15th Jun 20262212 AMAQI
15th Jun 2026291 AMAQI
15th Jun 2026292 AMAQI
15th Jun 2026363 AMAQI
15th Jun 2026344 AMAQI
20°C15/26°C
15th Jun 2026255 AMAQI
15th Jun 2026296 AMAQI
15th Jun 2026247 AMAQI
15th Jun 2026268 AMAQI
15th Jun 2026289 AMAQI
15th Jun 20263010 AMAQI
15th Jun 20263211 AMAQI
15th Jun 20263412 PMAQI
15th Jun 2026261 PMAQI
15th Jun 2026302 PMAQI
15th Jun 2026263 PMAQI
15th Jun 2026264 PMAQI
15th Jun 2026285 PMAQI
15th Jun 2026366 PMAQI
15th Jun 2026407 PMAQI
15th Jun 2026308 PMAQI
15th Jun 2026269 PMAQI
15th Jun 20262810 PMAQI
15th Jun 20262711 PMAQI
16th Jun 20262612 AMAQI
16th Jun 2026241 AMAQI
16th Jun 2026262 AMAQI
16th Jun 2026243 AMAQI
16th Jun 2026244 AMAQI
20°C16/26°C
16th Jun 2026245 AMAQI
16th Jun 2026246 AMAQI
16th Jun 2026297 AMAQI
16th Jun 2026388 AMAQI
16th Jun 2026309 AMAQI
16th Jun 20263010 AMAQI
16th Jun 20262711 AMAQI
16th Jun 20262912 PMAQI
16th Jun 2026341 PMAQI
16th Jun 2026262 PMAQI
16th Jun 2026263 PMAQI
16th Jun 2026284 PMAQI
16th Jun 2026285 PMAQI
16th Jun 2026366 PMAQI
16th Jun 2026297 PMAQI
16th Jun 2026308 PMAQI
16th Jun 2026309 PMAQI
16th Jun 20262610 PMAQI
16th Jun 20262611 PMAQI
17th Jun 20262612 AMAQI
17th Jun 2026271 AMAQI
17th Jun 2026232 AMAQI
17th Jun 2026263 AMAQI
17th Jun 2026324 AMAQI
20°C16/24°C
17th Jun 2026255 AMAQI
17th Jun 2026336 AMAQI
17th Jun 2026477 AMAQI
17th Jun 2026288 AMAQI
17th Jun 2026289 AMAQI
17th Jun 20263010 AMAQI
17th Jun 20263211 AMAQI
17th Jun 20263012 PMAQI
17th Jun 2026271 PMAQI
17th Jun 2026302 PMAQI
17th Jun 2026283 PMAQI
17th Jun 2026294 PMAQI
17th Jun 2026315 PMAQI
17th Jun 2026316 PMAQI
17th Jun 2026327 PMAQI
17th Jun 2026388 PMAQI
17th Jun 2026339 PMAQI
17th Jun 20263110 PMAQI
17th Jun 20262811 PMAQI
18th Jun 20262812 AMAQI
18th Jun 2026261 AMAQI
18th Jun 2026282 AMAQI
18th Jun 2026293 AMAQI
18th Jun 2026334 AMAQI
20°C14/27°C
18th Jun 2026365 AMAQI
18th Jun 2026426 AMAQI
18th Jun 2026367 AMAQI
18th Jun 2026298 AMAQI
18th Jun 2026279 AMAQI
18th Jun 20262410 AMAQI
18th Jun 20262611 AMAQI
18th Jun 20262812 PMAQI
18th Jun 2026261 PMAQI
18th Jun 2026282 PMAQI
18th Jun 2026273 PMAQI
18th Jun 2026254 PMAQI
18th Jun 2026265 PMAQI
18th Jun 2026346 PMAQI
18th Jun 2026347 PMAQI
18th Jun 2026298 PMAQI
18th Jun 2026329 PMAQI
18th Jun 20262910 PMAQI
18th Jun 20262911 PMAQI
19th Jun 20263012 AMAQI
19th Jun 2026281 AMAQI
19th Jun 2026252 AMAQI
19th Jun 2026293 AMAQI
19th Jun 2026264 AMAQI
19°C15/26°C
19th Jun 2026275 AMAQI
19th Jun 2026226 AMAQI
19th Jun 2026257 AMAQI
19th Jun 2026248 AMAQI
19th Jun 2026269 AMAQI
19th Jun 20262610 AMAQI
19th Jun 20262611 AMAQI
19th Jun 20262812 PMAQI
19th Jun 2026261 PMAQI
19th Jun 2026272 PMAQI
19th Jun 2026263 PMAQI
19th Jun 2026284 PMAQI
19th Jun 2026285 PMAQI
19th Jun 2026276 PMAQI
19th Jun 2026247 PMAQI
19th Jun 2026538 PMAQI
19th Jun 2026399 PMAQI
19th Jun 20264610 PMAQI
19th Jun 20262611 PMAQI
20th Jun 20266412 AMAQI
20th Jun 2026401 AMAQI
20th Jun 2026272 AMAQI
20th Jun 2026243 AMAQI
20th Jun 2026244 AMAQI
19°C14/26°C
20th Jun 2026295 AMAQI
20th Jun 2026246 AMAQI
20th Jun 2026407 AMAQI
20th Jun 2026288 AMAQI
20th Jun 2026279 AMAQI
20th Jun 20262810 AMAQI
20th Jun 20262011 AMAQI
20th Jun 20262812 PMAQI
20th Jun 2026281 PMAQI
20th Jun 2026263 PMAQI
20th Jun 2026264 PMAQI
20th Jun 2026235 PMAQI
20th Jun 2026226 PMAQI
20th Jun 2026257 PMAQI
20th Jun 2026298 PMAQI
20th Jun 2026279 PMAQI
20th Jun 20262910 PMAQI
20th Jun 20264411 PMAQI
21st Jun 20264012 AMAQI
21st Jun 2026441 AMAQI
21st Jun 2026542 AMAQI
21st Jun 2026233 AMAQI
21st Jun 2026204 AMAQI
19°C14/27°C
21st Jun 2026325 AMAQI
21st Jun 2026326 AMAQI
21st Jun 2026207 AMAQI
21st Jun 2026328 AMAQI
21st Jun 2026309 AMAQI
21st Jun 20262910 AMAQI
21st Jun 20261611 AMAQI
21st Jun 20262712 PMAQI
21st Jun 2026261 PMAQI
21st Jun 2026182 PMAQI
21st Jun 2026403 PMAQI
21st Jun 2026404 PMAQI
21st Jun 2026325 PMAQI
21st Jun 2026366 PMAQI
21st Jun 2026407 PMAQI
21st Jun 2026298 PMAQI
21st Jun 2026239 PMAQI
21st Jun 20263210 PMAQI
21st Jun 20262511 PMAQI
22nd Jun 20262412 AMAQI
22nd Jun 2026211 AMAQI
22nd Jun 2026222 AMAQI
22nd Jun 2026203 AMAQI
22nd Jun 2026214 AMAQI
19°C15/26°C
22nd Jun 2026125 AMAQI
22nd Jun 2026236 AMAQI
22nd Jun 2026237 AMAQI
22nd Jun 2026238 AMAQI
22nd Jun 2026189 AMAQI
22nd Jun 20262210 AMAQI
22nd Jun 20262811 AMAQI
22nd Jun 20263012 PMAQI
22nd Jun 2026281 PMAQI
22nd Jun 2026282 PMAQI
22nd Jun 2026333 PMAQI
22nd Jun 2026284 PMAQI
22nd Jun 2026285 PMAQI
22nd Jun 2026216 PMAQI
22nd Jun 2026257 PMAQI
22nd Jun 2026278 PMAQI
22nd Jun 2026329 PMAQI
22nd Jun 20262810 PMAQI
22nd Jun 20262511 PMAQI
23rd Jun 20262412 AMAQI
23rd Jun 2026521 AMAQI
23rd Jun 2026222 AMAQI
23rd Jun 2026223 AMAQI
23rd Jun 2026504 AMAQI
18°C15/23°C
23rd Jun 2026305 AMAQI
23rd Jun 2026236 AMAQI
23rd Jun 2026247 AMAQI
23rd Jun 2026268 AMAQI
23rd Jun 2026309 AMAQI
23rd Jun 20262810 AMAQI
23rd Jun 20262811 AMAQI
23rd Jun 20261612 PMAQI
23rd Jun 2026241 PMAQI
23rd Jun 2026232 PMAQI
23rd Jun 2026253 PMAQI
23rd Jun 2026264 PMAQI
23rd Jun 2026245 PMAQI
23rd Jun 2026256 PMAQI
23rd Jun 2026247 PMAQI
23rd Jun 2026348 PMAQI
23rd Jun 2026339 PMAQI
23rd Jun 20262510 PMAQI
23rd Jun 20262211 PMAQI
24th Jun 20262712 AMAQI
24th Jun 2026241 AMAQI
24th Jun 2026232 AMAQI
24th Jun 2026303 AMAQI
24th Jun 2026334 AMAQI
20°C14/27°C
24th Jun 2026335 AMAQI
24th Jun 2026426 AMAQI
24th Jun 2026367 AMAQI
24th Jun 2026288 AMAQI
24th Jun 2026249 AMAQI
24th Jun 20262710 AMAQI
24th Jun 20262811 AMAQI
24th Jun 20262612 PMAQI
24th Jun 2026251 PMAQI
24th Jun 2026272 PMAQI
24th Jun 2026273 PMAQI
24th Jun 2026264 PMAQI
24th Jun 2026315 PMAQI
24th Jun 2026286 PMAQI
24th Jun 2026257 PMAQI
24th Jun 2026288 PMAQI
24th Jun 2026289 PMAQI
24th Jun 20262910 PMAQI
24th Jun 20262611 PMAQI
25th Jun 20262612 AMAQI
25th Jun 2026241 AMAQI
25th Jun 2026242 AMAQI
25th Jun 2026293 AMAQI
25th Jun 2026244 AMAQI
20°C14/26°C
25th Jun 2026245 AMAQI
25th Jun 2026256 AMAQI
25th Jun 2026247 AMAQI
25th Jun 2026288 AMAQI
25th Jun 2026399 AMAQI
25th Jun 20263610 AMAQI
25th Jun 20262511 AMAQI
25th Jun 20262012 PMAQI
25th Jun 2026221 PMAQI
25th Jun 2026222 PMAQI
25th Jun 2026293 PMAQI
25th Jun 2026224 PMAQI
25th Jun 2026145 PMAQI
25th Jun 2026266 PMAQI
25th Jun 2026307 PMAQI
25th Jun 2026448 PMAQI
25th Jun 2026449 PMAQI
25th Jun 20264010 PMAQI
25th Jun 20262811 PMAQI
26th Jun 20262212 AMAQI
26th Jun 2026301 AMAQI
26th Jun 2026232 AMAQI
26th Jun 2026293 AMAQI
26th Jun 2026214 AMAQI
20°C14/27°C
26th Jun 2026405 AMAQI
26th Jun 2026406 AMAQI
26th Jun 2026367 AMAQI
26th Jun 2026308 AMAQI
26th Jun 2026309 AMAQI
26th Jun 20263210 AMAQI
26th Jun 20261011 AMAQI
26th Jun 20262812 PMAQI
26th Jun 2026311 PMAQI
26th Jun 2026402 PMAQI
26th Jun 2026273 PMAQI
26th Jun 2026274 PMAQI
26th Jun 2026305 PMAQI
26th Jun 2026306 PMAQI
26th Jun 2026307 PMAQI
26th Jun 2026318 PMAQI
26th Jun 2026369 PMAQI
26th Jun 20263410 PMAQI
26th Jun 20263111 PMAQI
27th Jun 20264012 AMAQI
27th Jun 2026301 AMAQI
27th Jun 2026342 AMAQI
27th Jun 2026303 AMAQI
27th Jun 2026304 AMAQI
21°C15/28°C
27th Jun 2026405 AMAQI
27th Jun 2026306 AMAQI
27th Jun 2026307 AMAQI
27th Jun 2026308 AMAQI
27th Jun 2026349 AMAQI
27th Jun 20263210 AMAQI
27th Jun 20263211 AMAQI
27th Jun 20263212 PMAQI
27th Jun 2026271 PMAQI
27th Jun 2026312 PMAQI
27th Jun 2026333 PMAQI
27th Jun 2026334 PMAQI
27th Jun 2026345 PMAQI
27th Jun 2026386 PMAQI
27th Jun 2026297 PMAQI
27th Jun 2026298 PMAQI
27th Jun 2026339 PMAQI
27th Jun 20262910 PMAQI
27th Jun 20263611 PMAQI
28th Jun 20262912 AMAQI
28th Jun 2026331 AMAQI
28th Jun 2026312 AMAQI
28th Jun 2026333 AMAQI
28th Jun 2026364 AMAQI
21°C17/27°C
28th Jun 2026295 AMAQI
28th Jun 2026336 AMAQI
28th Jun 2026317 AMAQI
28th Jun 2026328 AMAQI
28th Jun 2026339 AMAQI
28th Jun 20263110 AMAQI
28th Jun 20263111 AMAQI
28th Jun 20262912 PMAQI
28th Jun 2026281 PMAQI
28th Jun 2026362 PMAQI
28th Jun 2026333 PMAQI
28th Jun 2026364 PMAQI
28th Jun 2026365 PMAQI
28th Jun 2026306 PMAQI
28th Jun 2026317 PMAQI
28th Jun 2026318 PMAQI
28th Jun 2026319 PMAQI
28th Jun 20263010 PMAQI
28th Jun 20263111 PMAQI
29th Jun 20263412 AMAQI
29th Jun 2026251 AMAQI
29th Jun 2026332 AMAQI
29th Jun 2026333 AMAQI
29th Jun 2026274 AMAQI
21°C15/27°C
29th Jun 2026225 AMAQI
29th Jun 2026296 AMAQI
29th Jun 2026297 AMAQI
29th Jun 2026288 AMAQI
29th Jun 2026299 AMAQI
29th Jun 20262710 AMAQI
29th Jun 20263111 AMAQI
29th Jun 20263412 PMAQI
29th Jun 2026311 PMAQI
29th Jun 2026252 PMAQI
29th Jun 2026253 PMAQI
29th Jun 2026144 PMAQI
29th Jun 2026225 PMAQI
29th Jun 2026266 PMAQI
29th Jun 2026277 PMAQI
29th Jun 2026288 PMAQI
29th Jun 2026269 PMAQI
29th Jun 20262810 PMAQI
29th Jun 20262611 PMAQI
30th Jun 20262812 AMAQI
30th Jun 2026241 AMAQI
30th Jun 202682 AMAQI
30th Jun 2026243 AMAQI
30th Jun 2026204 AMAQI
20°C14/27°C
30th Jun 2026265 AMAQI
30th Jun 2026326 AMAQI
30th Jun 2026387 AMAQI
30th Jun 2026278 AMAQI
30th Jun 2026289 AMAQI
30th Jun 20262510 AMAQI
30th Jun 20262211 AMAQI
30th Jun 20263112 PMAQI
30th Jun 2026371 PMAQI
30th Jun 2026232 PMAQI
30th Jun 2026193 PMAQI
30th Jun 2026294 PMAQI
30th Jun 2026205 PMAQI
30th Jun 2026186 PMAQI
30th Jun 2026267 PMAQI
30th Jun 2026268 PMAQI
30th Jun 2026349 PMAQI
30th Jun 20263210 PMAQI
30th Jun 20262711 PMAQI
1st Jul 20262612 AMAQI
1st Jul 2026281 AMAQI
1st Jul 2026262 AMAQI
1st Jul 2026243 AMAQI
1st Jul 2026264 AMAQI
21°C15/28°C
1st Jul 2026285 AMAQI
1st Jul 2026266 AMAQI
1st Jul 2026277 AMAQI
1st Jul 2026288 AMAQI
1st Jul 2026289 AMAQI
1st Jul 20263810 AMAQI
1st Jul 20262811 AMAQI
1st Jul 20262912 PMAQI
1st Jul 2026291 PMAQI
1st Jul 2026172 PMAQI
1st Jul 2026393 PMAQI
1st Jul 2026264 PMAQI
1st Jul 2026285 PMAQI
1st Jul 2026266 PMAQI
1st Jul 2026487 PMAQI
1st Jul 2026478 PMAQI
1st Jul 2026209 PMAQI
1st Jul 20263210 PMAQI
1st Jul 20263411 PMAQI
2nd Jul 20263212 AMAQI
2nd Jul 2026241 AMAQI
2nd Jul 2026272 AMAQI
2nd Jul 2026283 AMAQI
2nd Jul 2026334 AMAQI
22°C19/28°C
2nd Jul 2026265 AMAQI
2nd Jul 2026286 AMAQI
2nd Jul 2026277 AMAQI
2nd Jul 2026288 AMAQI
2nd Jul 2026289 AMAQI
2nd Jul 20263110 AMAQI
2nd Jul 20261911 AMAQI
2nd Jul 20262512 PMAQI
2nd Jul 2026201 PMAQI
2nd Jul 2026182 PMAQI
2nd Jul 2026303 PMAQI
2nd Jul 2026344 PMAQI
2nd Jul 2026335 PMAQI
2nd Jul 2026266 PMAQI
2nd Jul 2026267 PMAQI
2nd Jul 2026238 PMAQI
2nd Jul 2026289 PMAQI
2nd Jul 20263010 PMAQI
2nd Jul 20262911 PMAQI
3rd Jul 20263112 AMAQI
3rd Jul 2026281 AMAQI
3rd Jul 2026302 AMAQI
3rd Jul 2026293 AMAQI
3rd Jul 2026284 AMAQI
21°C19/27°C
3rd Jul 2026305 AMAQI
3rd Jul 2026286 AMAQI
3rd Jul 2026287 AMAQI
3rd Jul 2026288 AMAQI
3rd Jul 2026259 AMAQI
3rd Jul 20263210 AMAQI
3rd Jul 20263211 AMAQI
3rd Jul 20263012 PMAQI
3rd Jul 2026281 PMAQI
3rd Jul 2026282 PMAQI
3rd Jul 2026293 PMAQI
3rd Jul 2026284 PMAQI
3rd Jul 2026305 PMAQI
3rd Jul 2026276 PMAQI
3rd Jul 2026287 PMAQI
3rd Jul 2026408 PMAQI
3rd Jul 2026289 PMAQI
3rd Jul 20262410 PMAQI
3rd Jul 20262611 PMAQI
4th Jul 20261212 AMAQI
4th Jul 2026211 AMAQI
4th Jul 2026252 AMAQI
4th Jul 2026283 AMAQI
4th Jul 2026294 AMAQI
21°C18/25°C
4th Jul 2026285 AMAQI
4th Jul 2026306 AMAQI
4th Jul 2026487 AMAQI
4th Jul 2026388 AMAQI
4th Jul 2026409 AMAQI
4th Jul 20264010 AMAQI
4th Jul 20263511 AMAQI
4th Jul 20263012 PMAQI
4th Jul 2026171 PMAQI
4th Jul 2026142 PMAQI
4th Jul 2026303 PMAQI
4th Jul 2026214 PMAQI
4th Jul 2026265 PMAQI
4th Jul 2026226 PMAQI
4th Jul 2026307 PMAQI
4th Jul 2026408 PMAQI
4th Jul 2026499 PMAQI
4th Jul 20264110 PMAQI
4th Jul 20264411 PMAQI
5th Jul 20263612 AMAQI
5th Jul 2026291 AMAQI
5th Jul 2026292 AMAQI
5th Jul 2026293 AMAQI
5th Jul 2026344 AMAQI
19°C16/21°C
5th Jul 2026345 AMAQI
5th Jul 2026316 AMAQI
5th Jul 2026347 AMAQI
5th Jul 2026108 AMAQI
5th Jul 2026209 AMAQI
5th Jul 20263010 AMAQI
5th Jul 20263211 AMAQI
5th Jul 20263012 PMAQI
5th Jul 2026361 PMAQI
5th Jul 2026342 PMAQI
5th Jul 2026403 PMAQI
5th Jul 2026274 PMAQI
5th Jul 2026365 PMAQI
5th Jul 2026386 PMAQI
5th Jul 2026227 PMAQI
5th Jul 2026288 PMAQI
5th Jul 2026299 PMAQI
5th Jul 20262910 PMAQI
5th Jul 20263311 PMAQI
6th Jul 20263212 AMAQI
6th Jul 2026471 AMAQI
6th Jul 2026442 AMAQI
6th Jul 2026703 AMAQI
6th Jul 2026494 AMAQI
20°C15/26°C
6th Jul 2026425 AMAQI
6th Jul 2026296 AMAQI
6th Jul 2026307 AMAQI
6th Jul 2026328 AMAQI
6th Jul 2026609 AMAQI
6th Jul 20263010 AMAQI
6th Jul 20263211 AMAQI
6th Jul 20263212 PMAQI
6th Jul 2026281 PMAQI
6th Jul 2026322 PMAQI
6th Jul 2026313 PMAQI
6th Jul 2026304 PMAQI
6th Jul 2026345 PMAQI
6th Jul 2026256 PMAQI
6th Jul 2026287 PMAQI
6th Jul 2026298 PMAQI
6th Jul 2026299 PMAQI
6th Jul 20263610 PMAQI
6th Jul 20262911 PMAQI
7th Jul 20263112 AMAQI
7th Jul 2026271 AMAQI
7th Jul 2026312 AMAQI
7th Jul 2026283 AMAQI
7th Jul 2026284 AMAQI
21°C16/27°C
7th Jul 2026305 AMAQI
7th Jul 2026386 AMAQI
7th Jul 2026207 AMAQI
7th Jul 2026328 AMAQI
7th Jul 2026329 AMAQI
7th Jul 2026810 AMAQI
7th Jul 20261811 AMAQI
7th Jul 20261712 PMAQI
7th Jul 2026301 PMAQI
7th Jul 2026262 PMAQI
7th Jul 2026283 PMAQI
7th Jul 2026184 PMAQI
7th Jul 2026275 PMAQI
7th Jul 2026306 PMAQI
7th Jul 2026297 PMAQI
7th Jul 2026308 PMAQI
7th Jul 2026269 PMAQI
7th Jul 20263210 PMAQI
7th Jul 20262611 PMAQI
8th Jul 20264212 AMAQI
8th Jul 2026341 AMAQI
8th Jul 2026362 AMAQI
8th Jul 2026283 AMAQI
8th Jul 2026274 AMAQI
22°C17/29°C
8th Jul 2026255 AMAQI
8th Jul 2026366 AMAQI
8th Jul 2026447 AMAQI
8th Jul 2026428 AMAQI
8th Jul 2026409 AMAQI
8th Jul 20263010 AMAQI
8th Jul 20262311 AMAQI
8th Jul 2026612 PMAQI
8th Jul 2026381 PMAQI
8th Jul 2026462 PMAQI
8th Jul 2026333 PMAQI
8th Jul 2026274 PMAQI
8th Jul 202665 PMAQI
8th Jul 2026386 PMAQI
8th Jul 2026287 PMAQI
8th Jul 2026298 PMAQI
8th Jul 2026259 PMAQI
8th Jul 20262610 PMAQI
8th Jul 20262611 PMAQI
9th Jul 20262812 AMAQI
9th Jul 2026281 AMAQI
9th Jul 2026292 AMAQI
9th Jul 2026293 AMAQI
9th Jul 2026274 AMAQI
22°C17/29°C
9th Jul 2026425 AMAQI
9th Jul 2026306 AMAQI
9th Jul 2026287 AMAQI
9th Jul 2026328 AMAQI
9th Jul 2026329 AMAQI
9th Jul 20263010 AMAQI
9th Jul 20263011 AMAQI
9th Jul 20263012 PMAQI
9th Jul 2026281 PMAQI
9th Jul 2026322 PMAQI
9th Jul 2026323 PMAQI
9th Jul 2026284 PMAQI
9th Jul 2026305 PMAQI
9th Jul 2026306 PMAQI
9th Jul 2026327 PMAQI
9th Jul 2026288 PMAQI
9th Jul 2026309 PMAQI
9th Jul 20262610 PMAQI
9th Jul 20262411 PMAQI
10th Jul 20262512 AMAQI
10th Jul 2026281 AMAQI
10th Jul 2026302 AMAQI
10th Jul 2026323 AMAQI
10th Jul 2026334 AMAQI
22°C18/27°C
10th Jul 2026345 AMAQI
10th Jul 2026346 AMAQI
10th Jul 2026307 AMAQI
10th Jul 2026368 AMAQI
10th Jul 2026379 AMAQI
10th Jul 20264410 AMAQI
10th Jul 20264011 AMAQI
10th Jul 20263312 PMAQI
10th Jul 2026321 PMAQI
10th Jul 2026302 PMAQI
10th Jul 2026343 PMAQI
10th Jul 2026334 PMAQI
10th Jul 2026445 PMAQI
10th Jul 2026366 PMAQI
10th Jul 2026387 PMAQI
10th Jul 2026498 PMAQI
10th Jul 2026429 PMAQI
10th Jul 20264910 PMAQI
10th Jul 20265111 PMAQI
11th Jul 20264712 AMAQI
11th Jul 2026441 AMAQI
11th Jul 2026512 AMAQI
11th Jul 2026553 AMAQI
11th Jul 2026714 AMAQI
21°C17/24°C
11th Jul 2026805 AMAQI
11th Jul 2026556 AMAQI
11th Jul 2026527 AMAQI
11th Jul 2026538 AMAQI
11th Jul 2026349 AMAQI
11th Jul 202612710 AMAQI
11th Jul 20263311 AMAQI
11th Jul 20265412 PMAQI
11th Jul 2026521 PMAQI
11th Jul 2026382 PMAQI
11th Jul 2026323 PMAQI
11th Jul 2026274 PMAQI
11th Jul 2026385 PMAQI
11th Jul 2026656 PMAQI
11th Jul 2026527 PMAQI
11th Jul 2026258 PMAQI
11th Jul 2026269 PMAQI
11th Jul 20262610 PMAQI
11th Jul 20262311 PMAQI
12th Jul 20265712 AMAQI
12th Jul 2026561 AMAQI
12th Jul 2026312 AMAQI
12th Jul 2026283 AMAQI
12th Jul 2026204 AMAQI
20°C18/24°C
12th Jul 2026305 AMAQI
12th Jul 2026326 AMAQI
12th Jul 2026347 AMAQI
12th Jul 2026318 AMAQI
12th Jul 2026409 AMAQI
12th Jul 20264210 AMAQI
12th Jul 20263611 AMAQI
12th Jul 20262012 PMAQI
12th Jul 2026141 PMAQI
12th Jul 2026142 PMAQI
12th Jul 2026163 PMAQI
12th Jul 2026324 PMAQI
12th Jul 2026295 PMAQI
12th Jul 2026316 PMAQI
12th Jul 2026387 PMAQI
12th Jul 2026308 PMAQI
12th Jul 2026289 PMAQI
12th Jul 20263610 PMAQI
12th Jul 20264011 PMAQI
13th Jul 20264012 AMAQI
13th Jul 2026341 AMAQI
13th Jul 2026302 AMAQI
13th Jul 2026323 AMAQI
13th Jul 2026324 AMAQI
20°C16/25°C
13th Jul 2026385 AMAQI
5 AM13th Jul 2026396 AMAQI
13th Jul 2026377 AMAQI
13th Jul 2026408 AMAQI
13th Jul 2026209 AMAQI
13th Jul 20262210 AMAQI
13th Jul 20262011 AMAQI
11 AM13th Jul 20263112 PMAQI
13th Jul 2026311 PMAQI
13th Jul 2026222 PMAQI
13th Jul 2026203 PMAQI
13th Jul 2026244 PMAQI
13th Jul 2026205 PMAQI
13th Jul 2026336 PMAQI
6 PM13th Jul 2026257 PMAQI
13th Jul 2026308 PMAQI
13th Jul 2026239 PMAQI
11 PM
4 AM
20°C17/24°C
Day time
Avg. Highest Time
10 AM
33AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
11 AM
27AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 10 AM (Avg. 33), while the lowest AQI was between 11 AM to 11 AM (Avg. 27).
Night time
Avg. Highest Time
12 AM
33AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
2 AM - 4 AM
30AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 12 AM (Avg. 33), while the lowest AQI was between 2 AM to 4 AM (Avg. 30).
2026 Days Vs Air Quality
San Jose US Embassy, Santa Ana, San Jose, Costa Rica
2026
87%
166
12%
23
0.5%
1
Total number of days with different AQI categories in last 194 days in 2026 (171 days remaining)
Good
166 DaysModerate
23 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2026, 87% of 194 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
San Jose US Embassy, Santa Ana, San Jose, Costa Rica
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
20AQI (US)
20AQI (US)
2nd January 2026
21AQI (US)
21AQI (US)
3rd January 2026
34AQI (US)
34AQI (US)
4th January 2026
28AQI (US)
28AQI (US)
5th January 2026
22AQI (US)
22AQI (US)
6th January 2026
31AQI (US)
31AQI (US)
7th January 2026
32AQI (US)
32AQI (US)
8th January 2026
26AQI (US)
26AQI (US)
9th January 2026
27AQI (US)
27AQI (US)
10th January 2026
27AQI (US)
27AQI (US)
11th January 2026
26AQI (US)
26AQI (US)
12th January 2026
25AQI (US)
25AQI (US)
13th January 2026
27AQI (US)
27AQI (US)
14th January 2026
30AQI (US)
30AQI (US)
15th January 2026
31AQI (US)
31AQI (US)
16th January 2026
19AQI (US)
19AQI (US)
17th January 2026
20AQI (US)
20AQI (US)
18th January 2026
14AQI (US)
14AQI (US)
19th January 2026
31AQI (US)
31AQI (US)
20th January 2026
26AQI (US)
26AQI (US)
21st January 2026
26AQI (US)
26AQI (US)
22nd January 2026
56AQI (US)
56AQI (US)
23rd January 2026
50AQI (US)
50AQI (US)
24th January 2026
47AQI (US)
47AQI (US)
25th January 2026
47AQI (US)
47AQI (US)
26th January 2026
52AQI (US)
52AQI (US)
27th January 2026
40AQI (US)
40AQI (US)
28th January 2026
43AQI (US)
43AQI (US)
29th January 2026
44AQI (US)
44AQI (US)
30th January 2026
47AQI (US)
47AQI (US)
31st January 2026
42AQI (US)
42AQI (US)
1st February 2026
46AQI (US)
46AQI (US)
2nd February 2026
52AQI (US)
52AQI (US)
3rd February 2026
47AQI (US)
47AQI (US)
4th February 2026
49AQI (US)
49AQI (US)
5th February 2026
55AQI (US)
55AQI (US)
6th February 2026
49AQI (US)
49AQI (US)
7th February 2026
45AQI (US)
45AQI (US)
8th February 2026
51AQI (US)
51AQI (US)
9th February 2026
46AQI (US)
46AQI (US)
10th February 2026
46AQI (US)
46AQI (US)
11th February 2026
51AQI (US)
51AQI (US)
12th February 2026
59AQI (US)
59AQI (US)
13th February 2026
61AQI (US)
61AQI (US)
14th February 2026
50AQI (US)
50AQI (US)
15th February 2026
67AQI (US)
67AQI (US)
16th February 2026
44AQI (US)
44AQI (US)
17th February 2026
41AQI (US)
41AQI (US)
18th February 2026
43AQI (US)
43AQI (US)
19th February 2026
42AQI (US)
42AQI (US)
20th February 2026
44AQI (US)
44AQI (US)
21st February 2026
36AQI (US)
36AQI (US)
22nd February 2026
39AQI (US)
39AQI (US)
23rd February 2026
42AQI (US)
42AQI (US)
24th February 2026
44AQI (US)
44AQI (US)
25th February 2026
43AQI (US)
43AQI (US)
26th February 2026
47AQI (US)
47AQI (US)
27th February 2026
49AQI (US)
49AQI (US)
28th February 2026
40AQI (US)
40AQI (US)
1st March 2026
43AQI (US)
43AQI (US)
2nd March 2026
44AQI (US)
44AQI (US)
3rd March 2026
53AQI (US)
53AQI (US)
4th March 2026
51AQI (US)
51AQI (US)
5th March 2026
46AQI (US)
46AQI (US)
6th March 2026
38AQI (US)
38AQI (US)
7th March 2026
37AQI (US)
37AQI (US)
8th March 2026
42AQI (US)
42AQI (US)
9th March 2026
43AQI (US)
43AQI (US)
10th March 2026
34AQI (US)
34AQI (US)
11th March 2026
38AQI (US)
38AQI (US)
12th March 2026
43AQI (US)
43AQI (US)
13th March 2026
42AQI (US)
42AQI (US)
14th March 2026
51AQI (US)
51AQI (US)
15th March 2026
60AQI (US)
60AQI (US)
16th March 2026
47AQI (US)
47AQI (US)
17th March 2026
53AQI (US)
53AQI (US)
18th March 2026
40AQI (US)
40AQI (US)
19th March 2026
37AQI (US)
37AQI (US)
20th March 2026
40AQI (US)
40AQI (US)
21st March 2026
48AQI (US)
48AQI (US)
22nd March 2026
53AQI (US)
53AQI (US)
23rd March 2026
65AQI (US)
65AQI (US)
24th March 2026
44AQI (US)
44AQI (US)
25th March 2026
60AQI (US)
60AQI (US)
26th March 2026
42AQI (US)
42AQI (US)
27th March 2026
44AQI (US)
44AQI (US)
28th March 2026
51AQI (US)
51AQI (US)
29th March 2026
51AQI (US)
51AQI (US)
30th March 2026
48AQI (US)
48AQI (US)
31st March 2026
48AQI (US)
48AQI (US)
1st April 2026
46AQI (US)
46AQI (US)
2nd April 2026
41AQI (US)
41AQI (US)
3rd April 2026
36AQI (US)
36AQI (US)
4th April 2026
42AQI (US)
42AQI (US)
5th April 2026
38AQI (US)
38AQI (US)
6th April 2026
40AQI (US)
40AQI (US)
7th April 2026
42AQI (US)
42AQI (US)
8th April 2026
39AQI (US)
39AQI (US)
9th April 2026
35AQI (US)
35AQI (US)
10th April 2026
36AQI (US)
36AQI (US)
11th April 2026
34AQI (US)
34AQI (US)
12th April 2026
38AQI (US)
38AQI (US)
13th April 2026
37AQI (US)
37AQI (US)
14th April 2026
41AQI (US)
41AQI (US)
15th April 2026
39AQI (US)
39AQI (US)
16th April 2026
38AQI (US)
38AQI (US)
17th April 2026
18th April 2026
41AQI (US)
41AQI (US)
19th April 2026
54AQI (US)
54AQI (US)
20th April 2026
47AQI (US)
47AQI (US)
21st April 2026
34AQI (US)
34AQI (US)
22nd April 2026
23rd April 2026
32AQI (US)
32AQI (US)
24th April 2026
43AQI (US)
43AQI (US)
25th April 2026
32AQI (US)
32AQI (US)
26th April 2026
38AQI (US)
38AQI (US)
27th April 2026
51AQI (US)
51AQI (US)
28th April 2026
44AQI (US)
44AQI (US)
29th April 2026
42AQI (US)
42AQI (US)
30th April 2026
35AQI (US)
35AQI (US)
1st May 2026
32AQI (US)
32AQI (US)
2nd May 2026
39AQI (US)
39AQI (US)
3rd May 2026
32AQI (US)
32AQI (US)
4th May 2026
35AQI (US)
35AQI (US)
5th May 2026
32AQI (US)
32AQI (US)
6th May 2026
32AQI (US)
32AQI (US)
7th May 2026
42AQI (US)
42AQI (US)
8th May 2026
40AQI (US)
40AQI (US)
9th May 2026
10th May 2026
38AQI (US)
38AQI (US)
11th May 2026
35AQI (US)
35AQI (US)
12th May 2026
37AQI (US)
37AQI (US)
13th May 2026
35AQI (US)
35AQI (US)
14th May 2026
32AQI (US)
32AQI (US)
15th May 2026
36AQI (US)
36AQI (US)
16th May 2026
36AQI (US)
36AQI (US)
17th May 2026
36AQI (US)
36AQI (US)
18th May 2026
27AQI (US)
27AQI (US)
19th May 2026
37AQI (US)
37AQI (US)
20th May 2026
51AQI (US)
51AQI (US)
21st May 2026
33AQI (US)
33AQI (US)
22nd May 2026
34AQI (US)
34AQI (US)
23rd May 2026
33AQI (US)
33AQI (US)
24th May 2026
41AQI (US)
41AQI (US)
25th May 2026
48AQI (US)
48AQI (US)
26th May 2026
34AQI (US)
34AQI (US)
27th May 2026
37AQI (US)
37AQI (US)
28th May 2026
29AQI (US)
29AQI (US)
29th May 2026
69AQI (US)
69AQI (US)
30th May 2026
103AQI (US)
103AQI (US)
31st May 2026
46AQI (US)
46AQI (US)
1st June 2026
32AQI (US)
32AQI (US)
2nd June 2026
32AQI (US)
32AQI (US)
3rd June 2026
33AQI (US)
33AQI (US)
4th June 2026
47AQI (US)
47AQI (US)
5th June 2026
37AQI (US)
37AQI (US)
6th June 2026
43AQI (US)
43AQI (US)
7th June 2026
36AQI (US)
36AQI (US)
8th June 2026
35AQI (US)
35AQI (US)
9th June 2026
33AQI (US)
33AQI (US)
10th June 2026
33AQI (US)
33AQI (US)
11th June 2026
34AQI (US)
34AQI (US)
12th June 2026
37AQI (US)
37AQI (US)
13th June 2026
34AQI (US)
34AQI (US)
14th June 2026
29AQI (US)
29AQI (US)
15th June 2026
29AQI (US)
29AQI (US)
16th June 2026
28AQI (US)
28AQI (US)
17th June 2026
30AQI (US)
30AQI (US)
18th June 2026
30AQI (US)
30AQI (US)
19th June 2026
29AQI (US)
29AQI (US)
20th June 2026
30AQI (US)
30AQI (US)
21st June 2026
31AQI (US)
31AQI (US)
22nd June 2026
25AQI (US)
25AQI (US)
23rd June 2026
28AQI (US)
28AQI (US)
24th June 2026
28AQI (US)
28AQI (US)
25th June 2026
28AQI (US)
28AQI (US)
26th June 2026
30AQI (US)
30AQI (US)
27th June 2026
32AQI (US)
32AQI (US)
28th June 2026
32AQI (US)
32AQI (US)
29th June 2026
27AQI (US)
27AQI (US)
30th June 2026
26AQI (US)
26AQI (US)
1st July 2026
30AQI (US)
30AQI (US)
2nd July 2026
27AQI (US)
27AQI (US)
3rd July 2026
29AQI (US)
29AQI (US)
4th July 2026
31AQI (US)
31AQI (US)
5th July 2026
30AQI (US)
30AQI (US)
6th July 2026
36AQI (US)
36AQI (US)
7th July 2026
27AQI (US)
27AQI (US)
8th July 2026
31AQI (US)
31AQI (US)
9th July 2026
30AQI (US)
30AQI (US)
10th July 2026
36AQI (US)
36AQI (US)
11th July 2026
48AQI (US)
48AQI (US)
12th July 2026
32AQI (US)
32AQI (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
33AQI (US)
47AQI (US)
46AQI (US)
40AQI (US)
40AQI (US)
32AQI (US)
32AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202639AQI (US)
29
2
21
7
21
10
26
2
27
2
1
30
12
166
23
1
Highest AQI (US) recorded in
February47AQI (US)
Lowest AQI (US) recorded in
July32AQI (US)
202543AQI (US)
11
20
16
12
14
17
2
28
31
30
31
29
2
27
3
18
13
29
1
29
2
267
98
Highest AQI (US) recorded in
April54AQI (US)
Lowest AQI (US) recorded in
November31AQI (US)
202443AQI (US)
14
2
1
1
2
10
15
15
24
7
25
6
28
30
1
24
6
7
24
169
73
Highest AQI (US) recorded in
April76AQI (US)
Lowest AQI (US) recorded in
October27AQI (US)
202330AQI (US)
24
25
27
3
20
9
30
1
29
1
3
1
5
5
3
29
2
196
21
Highest AQI (US) recorded in
September51AQI (US)
Lowest AQI (US) recorded in
July7AQI (US)
202229AQI (US)
31
22
30
1
20
1
8
1
30
22
1
26
3
29
2
27
3
31
276
12
Highest AQI (US) recorded in
August51AQI (US)
Lowest AQI (US) recorded in
January18AQI (US)
202132AQI (US)
29
24
3
28
1
28
31
29
1
29
2
20
2
26
2
22
4
13
24
303
15
Highest AQI (US) recorded in
October39AQI (US)
Lowest AQI (US) recorded in
December21AQI (US)
202036AQI (US)
11
17
3
14
3
24
4
1
23
5
28
3
28
2
28
2
28
2
31
232
24
1
Highest AQI (US) recorded in
April43AQI (US)
Lowest AQI (US) recorded in
December24AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
43AQI (US)Least Polluted Year Recorded
2022(Avg.)
29AQI (US)San Jose US Embassy's annual 2026 AQI (US) (39) shows an average percentage change of 12.6% (worsened AQI (US)) compared to previous years: 2020 (36), 2021 (32), 2022 (29), 2023 (30), 2024 (43), 2025 (43).
