Monterrey, San Pedro, 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
Monterrey, San Pedro, San Jose, Costa Rica
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2025
48AQILowest AQI recorded on
4th Aug 2025
30AQISame Day Analysis (6th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 43 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Monterrey, San Pedro, San Jose, Costa Rica
AQI
Day
Night
.
5 AM6th Aug 2025
6 PM
4 AM7th Aug 2025
Day time
Avg. Highest Time
12PM6th Aug
56AQI
Avg. Lowest Time
5PM6th Aug
42AQI
Night time
Avg. Highest Time
11PM6th Aug
48AQI
Avg. Lowest Time
3AM7th Aug
27AQI
In the last 24 hours,
Monterrey's AQI reached its highest point of 56 at 12 PM during the Day, while the lowest point, 27, was recorded at 3 AM during the Night between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Monterrey, San Pedro, San Jose, Costa Rica
JulAug
08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th
Day
Night
8th Jul 2025445 AMAQI
8th Jul 2025406 AMAQI
8th Jul 2025427 AMAQI
8th Jul 2025418 AMAQI
8th Jul 2025409 AMAQI
8th Jul 20254110 AMAQI
8th Jul 20254011 AMAQI
8th Jul 20254012 PMAQI
8th Jul 2025351 PMAQI
8th Jul 2025382 PMAQI
8th Jul 2025393 PMAQI
8th Jul 2025394 PMAQI
8th Jul 2025385 PMAQI
8th Jul 2025386 PMAQI
8th Jul 2025417 PMAQI
8th Jul 2025478 PMAQI
8th Jul 2025429 PMAQI
8th Jul 20254410 PMAQI
8th Jul 20254411 PMAQI
9th Jul 20254312 AMAQI
9th Jul 2025411 AMAQI
9th Jul 2025432 AMAQI
9th Jul 2025433 AMAQI
9th Jul 2025454 AMAQI
--°C/°C
9th Jul 2025465 AMAQI
9th Jul 2025456 AMAQI
9th Jul 2025477 AMAQI
9th Jul 2025498 AMAQI
9th Jul 2025489 AMAQI
9th Jul 20254810 AMAQI
9th Jul 20254811 AMAQI
9th Jul 20254912 PMAQI
9th Jul 2025451 PMAQI
9th Jul 2025482 PMAQI
9th Jul 2025483 PMAQI
9th Jul 2025484 PMAQI
9th Jul 2025505 PMAQI
9th Jul 2025486 PMAQI
9th Jul 2025467 PMAQI
9th Jul 2025468 PMAQI
9th Jul 2025479 PMAQI
9th Jul 20254410 PMAQI
9th Jul 20254411 PMAQI
10th Jul 20253712 AMAQI
10th Jul 2025351 AMAQI
10th Jul 2025292 AMAQI
10th Jul 2025323 AMAQI
10th Jul 2025324 AMAQI
18°C13/26°C
10th Jul 2025325 AMAQI
10th Jul 2025346 AMAQI
10th Jul 2025347 AMAQI
10th Jul 2025358 AMAQI
10th Jul 2025359 AMAQI
10th Jul 20253710 AMAQI
10th Jul 20253611 AMAQI
10th Jul 20253512 PMAQI
10th Jul 2025361 PMAQI
10th Jul 2025372 PMAQI
10th Jul 2025373 PMAQI
10th Jul 2025374 PMAQI
10th Jul 2025385 PMAQI
10th Jul 2025366 PMAQI
10th Jul 2025367 PMAQI
10th Jul 2025358 PMAQI
10th Jul 2025379 PMAQI
10th Jul 20254010 PMAQI
10th Jul 20253611 PMAQI
11th Jul 20254312 AMAQI
11th Jul 2025391 AMAQI
11th Jul 2025392 AMAQI
11th Jul 2025363 AMAQI
11th Jul 2025484 AMAQI
18°C14/24°C
11th Jul 2025495 AMAQI
11th Jul 2025386 AMAQI
11th Jul 2025387 AMAQI
11th Jul 2025378 AMAQI
11th Jul 2025379 AMAQI
11th Jul 20254310 AMAQI
11th Jul 20254811 AMAQI
11th Jul 20254212 PMAQI
11th Jul 2025381 PMAQI
11th Jul 2025452 PMAQI
11th Jul 2025483 PMAQI
11th Jul 2025474 PMAQI
11th Jul 2025465 PMAQI
11th Jul 2025486 PMAQI
11th Jul 2025477 PMAQI
11th Jul 2025488 PMAQI
11th Jul 2025489 PMAQI
11th Jul 20254410 PMAQI
11th Jul 20254711 PMAQI
12th Jul 20254812 AMAQI
12th Jul 2025411 AMAQI
12th Jul 2025352 AMAQI
12th Jul 2025333 AMAQI
12th Jul 2025384 AMAQI
18°C15/23°C
12th Jul 2025425 AMAQI
12th Jul 2025416 AMAQI
12th Jul 2025437 AMAQI
12th Jul 2025378 AMAQI
12th Jul 2025439 AMAQI
12th Jul 20254410 AMAQI
12th Jul 20254511 AMAQI
12th Jul 20254012 PMAQI
12th Jul 2025411 PMAQI
12th Jul 2025432 PMAQI
12th Jul 2025443 PMAQI
12th Jul 2025454 PMAQI
12th Jul 2025455 PMAQI
12th Jul 2025426 PMAQI
12th Jul 2025487 PMAQI
12th Jul 2025468 PMAQI
12th Jul 2025489 PMAQI
12th Jul 20254610 PMAQI
12th Jul 20255011 PMAQI
13th Jul 20254712 AMAQI
13th Jul 2025461 AMAQI
13th Jul 2025462 AMAQI
13th Jul 2025443 AMAQI
13th Jul 2025464 AMAQI
18°C15/22°C
13th Jul 2025445 AMAQI
13th Jul 2025436 AMAQI
13th Jul 2025437 AMAQI
13th Jul 2025458 AMAQI
13th Jul 2025449 AMAQI
13th Jul 20254310 AMAQI
13th Jul 20254711 AMAQI
13th Jul 20254812 PMAQI
13th Jul 2025481 PMAQI
13th Jul 2025522 PMAQI
13th Jul 2025523 PMAQI
13th Jul 2025514 PMAQI
13th Jul 2025505 PMAQI
13th Jul 2025516 PMAQI
13th Jul 2025497 PMAQI
13th Jul 2025498 PMAQI
13th Jul 2025469 PMAQI
13th Jul 20254910 PMAQI
13th Jul 20255211 PMAQI
14th Jul 20254612 AMAQI
14th Jul 2025441 AMAQI
14th Jul 2025392 AMAQI
14th Jul 2025333 AMAQI
14th Jul 2025304 AMAQI
19°C14/25°C
14th Jul 2025345 AMAQI
14th Jul 2025336 AMAQI
14th Jul 2025347 AMAQI
14th Jul 2025358 AMAQI
14th Jul 2025359 AMAQI
14th Jul 20253610 AMAQI
14th Jul 20253411 AMAQI
14th Jul 20253512 PMAQI
14th Jul 2025371 PMAQI
14th Jul 2025382 PMAQI
14th Jul 2025403 PMAQI
14th Jul 2025414 PMAQI
14th Jul 2025415 PMAQI
14th Jul 2025406 PMAQI
14th Jul 2025407 PMAQI
14th Jul 2025388 PMAQI
14th Jul 2025399 PMAQI
14th Jul 20254010 PMAQI
14th Jul 20254011 PMAQI
15th Jul 20253812 AMAQI
15th Jul 2025401 AMAQI
15th Jul 2025352 AMAQI
15th Jul 2025323 AMAQI
15th Jul 2025304 AMAQI
19°C15/25°C
15th Jul 2025355 AMAQI
15th Jul 2025326 AMAQI
15th Jul 2025367 AMAQI
15th Jul 2025318 AMAQI
15th Jul 2025409 AMAQI
15th Jul 20253610 AMAQI
15th Jul 20253711 AMAQI
15th Jul 20253912 PMAQI
15th Jul 2025391 PMAQI
15th Jul 2025372 PMAQI
15th Jul 2025383 PMAQI
15th Jul 2025374 PMAQI
15th Jul 2025405 PMAQI
15th Jul 2025366 PMAQI
15th Jul 2025387 PMAQI
15th Jul 2025408 PMAQI
15th Jul 2025409 PMAQI
15th Jul 20254110 PMAQI
15th Jul 20254311 PMAQI
16th Jul 20254512 AMAQI
16th Jul 2025341 AMAQI
16th Jul 2025322 AMAQI
16th Jul 2025303 AMAQI
16th Jul 2025284 AMAQI
18°C14/26°C
16th Jul 2025325 AMAQI
16th Jul 2025406 AMAQI
16th Jul 2025407 AMAQI
16th Jul 2025428 AMAQI
16th Jul 2025449 AMAQI
16th Jul 20254410 AMAQI
16th Jul 20254711 AMAQI
16th Jul 20254212 PMAQI
16th Jul 2025411 PMAQI
16th Jul 2025392 PMAQI
16th Jul 2025383 PMAQI
16th Jul 2025394 PMAQI
16th Jul 2025395 PMAQI
16th Jul 2025356 PMAQI
16th Jul 2025347 PMAQI
16th Jul 2025368 PMAQI
16th Jul 2025349 PMAQI
16th Jul 20253710 PMAQI
16th Jul 20253811 PMAQI
17th Jul 20253812 AMAQI
17th Jul 2025331 AMAQI
17th Jul 2025292 AMAQI
17th Jul 2025333 AMAQI
17th Jul 2025354 AMAQI
19°C13/27°C
17th Jul 2025325 AMAQI
17th Jul 2025376 AMAQI
17th Jul 2025417 AMAQI
17th Jul 2025408 AMAQI
17th Jul 2025399 AMAQI
17th Jul 20254310 AMAQI
17th Jul 20253911 AMAQI
17th Jul 20253712 PMAQI
17th Jul 2025391 PMAQI
17th Jul 2025412 PMAQI
17th Jul 2025403 PMAQI
17th Jul 2025414 PMAQI
17th Jul 2025405 PMAQI
17th Jul 2025366 PMAQI
17th Jul 2025367 PMAQI
17th Jul 2025358 PMAQI
17th Jul 2025349 PMAQI
17th Jul 20253410 PMAQI
17th Jul 20253711 PMAQI
18th Jul 20253812 AMAQI
18th Jul 2025361 AMAQI
18th Jul 2025242 AMAQI
18th Jul 2025283 AMAQI
18th Jul 2025274 AMAQI
19°C14/27°C
18th Jul 2025285 AMAQI
18th Jul 2025296 AMAQI
18th Jul 2025327 AMAQI
18th Jul 2025328 AMAQI
18th Jul 2025359 AMAQI
18th Jul 20253410 AMAQI
18th Jul 20253311 AMAQI
18th Jul 20253212 PMAQI
18th Jul 2025331 PMAQI
18th Jul 2025332 PMAQI
18th Jul 2025343 PMAQI
18th Jul 2025344 PMAQI
18th Jul 2025345 PMAQI
18th Jul 2025336 PMAQI
18th Jul 2025337 PMAQI
18th Jul 2025358 PMAQI
18th Jul 2025369 PMAQI
18th Jul 20253510 PMAQI
18th Jul 20253611 PMAQI
19th Jul 20253512 AMAQI
19th Jul 2025331 AMAQI
19th Jul 2025352 AMAQI
19th Jul 2025323 AMAQI
19th Jul 2025304 AMAQI
20°C16/26°C
19th Jul 2025305 AMAQI
19th Jul 2025336 AMAQI
19th Jul 2025337 AMAQI
19th Jul 2025378 AMAQI
19th Jul 2025349 AMAQI
19th Jul 20253510 AMAQI
19th Jul 20253711 AMAQI
19th Jul 20253812 PMAQI
19th Jul 2025361 PMAQI
19th Jul 2025382 PMAQI
19th Jul 2025373 PMAQI
19th Jul 2025344 PMAQI
19th Jul 2025365 PMAQI
19th Jul 2025386 PMAQI
19th Jul 2025367 PMAQI
19th Jul 2025408 PMAQI
19th Jul 2025389 PMAQI
19th Jul 20253710 PMAQI
19th Jul 20253611 PMAQI
20th Jul 20254212 AMAQI
20th Jul 2025321 AMAQI
20th Jul 2025402 AMAQI
20th Jul 2025313 AMAQI
20th Jul 2025304 AMAQI
19°C16/24°C
20th Jul 2025295 AMAQI
20th Jul 2025336 AMAQI
20th Jul 2025347 AMAQI
20th Jul 2025348 AMAQI
20th Jul 2025359 AMAQI
20th Jul 20253710 AMAQI
20th Jul 20253211 AMAQI
20th Jul 20253512 PMAQI
20th Jul 2025341 PMAQI
20th Jul 2025412 PMAQI
20th Jul 2025403 PMAQI
20th Jul 2025394 PMAQI
20th Jul 2025385 PMAQI
20th Jul 2025406 PMAQI
20th Jul 2025407 PMAQI
20th Jul 2025398 PMAQI
20th Jul 2025389 PMAQI
20th Jul 20253610 PMAQI
20th Jul 20255411 PMAQI
21st Jul 20254412 AMAQI
21st Jul 2025481 AMAQI
21st Jul 2025432 AMAQI
21st Jul 2025253 AMAQI
21st Jul 2025324 AMAQI
19°C15/26°C
21st Jul 2025315 AMAQI
21st Jul 2025346 AMAQI
21st Jul 2025367 AMAQI
21st Jul 2025378 AMAQI
21st Jul 2025389 AMAQI
21st Jul 20253410 AMAQI
21st Jul 20254011 AMAQI
21st Jul 20254012 PMAQI
21st Jul 2025371 PMAQI
21st Jul 2025392 PMAQI
21st Jul 2025403 PMAQI
21st Jul 2025394 PMAQI
21st Jul 2025395 PMAQI
21st Jul 2025406 PMAQI
21st Jul 2025407 PMAQI
21st Jul 2025408 PMAQI
21st Jul 2025389 PMAQI
21st Jul 20254010 PMAQI
21st Jul 20254211 PMAQI
22nd Jul 20254212 AMAQI
22nd Jul 2025321 AMAQI
22nd Jul 2025262 AMAQI
22nd Jul 2025313 AMAQI
22nd Jul 2025354 AMAQI
19°C14/25°C
22nd Jul 2025315 AMAQI
22nd Jul 2025346 AMAQI
22nd Jul 2025397 AMAQI
22nd Jul 2025418 AMAQI
22nd Jul 2025369 AMAQI
22nd Jul 20253610 AMAQI
22nd Jul 20253611 AMAQI
22nd Jul 20253912 PMAQI
22nd Jul 2025341 PMAQI
22nd Jul 2025372 PMAQI
22nd Jul 2025383 PMAQI
22nd Jul 2025344 PMAQI
22nd Jul 2025345 PMAQI
22nd Jul 2025386 PMAQI
22nd Jul 2025387 PMAQI
22nd Jul 2025388 PMAQI
22nd Jul 2025389 PMAQI
22nd Jul 20253810 PMAQI
22nd Jul 20254011 PMAQI
23rd Jul 20254012 AMAQI
23rd Jul 2025381 AMAQI
23rd Jul 2025322 AMAQI
23rd Jul 2025313 AMAQI
23rd Jul 2025384 AMAQI
18°C15/23°C
23rd Jul 2025405 AMAQI
23rd Jul 2025436 AMAQI
23rd Jul 2025447 AMAQI
23rd Jul 2025448 AMAQI
23rd Jul 2025469 AMAQI
23rd Jul 20254310 AMAQI
23rd Jul 20253911 AMAQI
23rd Jul 20253712 PMAQI
23rd Jul 2025361 PMAQI
23rd Jul 2025422 PMAQI
23rd Jul 2025423 PMAQI
23rd Jul 2025414 PMAQI
23rd Jul 2025425 PMAQI
23rd Jul 2025416 PMAQI
23rd Jul 2025407 PMAQI
23rd Jul 2025428 PMAQI
23rd Jul 2025439 PMAQI
23rd Jul 20254510 PMAQI
23rd Jul 20254611 PMAQI
24th Jul 20254612 AMAQI
24th Jul 2025391 AMAQI
24th Jul 2025332 AMAQI
24th Jul 2025343 AMAQI
24th Jul 2025314 AMAQI
19°C15/25°C
24th Jul 2025315 AMAQI
24th Jul 2025376 AMAQI
24th Jul 2025387 AMAQI
24th Jul 2025368 AMAQI
24th Jul 2025369 AMAQI
24th Jul 20253810 AMAQI
24th Jul 20253911 AMAQI
24th Jul 20253812 PMAQI
24th Jul 2025361 PMAQI
24th Jul 2025382 PMAQI
24th Jul 2025373 PMAQI
24th Jul 2025384 PMAQI
24th Jul 2025375 PMAQI
24th Jul 2025386 PMAQI
24th Jul 2025387 PMAQI
24th Jul 2025378 PMAQI
24th Jul 2025399 PMAQI
24th Jul 20254010 PMAQI
24th Jul 20254211 PMAQI
25th Jul 20254312 AMAQI
25th Jul 2025421 AMAQI
25th Jul 2025282 AMAQI
25th Jul 2025263 AMAQI
25th Jul 2025264 AMAQI
19°C14/27°C
25th Jul 2025325 AMAQI
25th Jul 2025356 AMAQI
25th Jul 2025347 AMAQI
25th Jul 2025388 AMAQI
25th Jul 2025419 AMAQI
25th Jul 20253810 AMAQI
25th Jul 20253311 AMAQI
25th Jul 20253412 PMAQI
25th Jul 2025351 PMAQI
25th Jul 2025372 PMAQI
25th Jul 2025353 PMAQI
25th Jul 2025344 PMAQI
25th Jul 2025365 PMAQI
25th Jul 2025406 PMAQI
25th Jul 2025417 PMAQI
25th Jul 2025378 PMAQI
25th Jul 2025399 PMAQI
25th Jul 20253510 PMAQI
25th Jul 20253711 PMAQI
26th Jul 20254012 AMAQI
26th Jul 2025421 AMAQI
26th Jul 2025352 AMAQI
26th Jul 2025323 AMAQI
26th Jul 2025324 AMAQI
19°C15/25°C
26th Jul 2025325 AMAQI
26th Jul 2025356 AMAQI
26th Jul 2025387 AMAQI
26th Jul 2025378 AMAQI
26th Jul 2025389 AMAQI
26th Jul 20253910 AMAQI
26th Jul 20253611 AMAQI
26th Jul 20253512 PMAQI
26th Jul 2025351 PMAQI
26th Jul 2025362 PMAQI
26th Jul 2025363 PMAQI
26th Jul 2025444 PMAQI
26th Jul 2025385 PMAQI
26th Jul 2025376 PMAQI
26th Jul 2025427 PMAQI
26th Jul 2025388 PMAQI
26th Jul 2025389 PMAQI
26th Jul 20253610 PMAQI
26th Jul 20253511 PMAQI
27th Jul 20253412 AMAQI
27th Jul 2025381 AMAQI
27th Jul 2025382 AMAQI
27th Jul 2025323 AMAQI
27th Jul 2025334 AMAQI
18°C15/25°C
27th Jul 2025305 AMAQI
27th Jul 2025316 AMAQI
27th Jul 2025327 AMAQI
27th Jul 2025338 AMAQI
27th Jul 2025349 AMAQI
27th Jul 20253410 AMAQI
27th Jul 20253211 AMAQI
27th Jul 20253512 PMAQI
27th Jul 2025311 PMAQI
27th Jul 2025322 PMAQI
27th Jul 2025363 PMAQI
27th Jul 2025344 PMAQI
27th Jul 2025345 PMAQI
27th Jul 2025396 PMAQI
27th Jul 2025367 PMAQI
27th Jul 2025338 PMAQI
27th Jul 2025329 PMAQI
27th Jul 20253310 PMAQI
27th Jul 20253211 PMAQI
28th Jul 20253412 AMAQI
28th Jul 2025341 AMAQI
28th Jul 2025302 AMAQI
28th Jul 2025273 AMAQI
28th Jul 2025264 AMAQI
18°C15/23°C
28th Jul 2025275 AMAQI
28th Jul 2025286 AMAQI
28th Jul 2025317 AMAQI
28th Jul 2025308 AMAQI
28th Jul 2025329 AMAQI
28th Jul 20253110 AMAQI
28th Jul 20253211 AMAQI
28th Jul 20253212 PMAQI
28th Jul 2025341 PMAQI
28th Jul 2025352 PMAQI
28th Jul 2025353 PMAQI
28th Jul 2025304 PMAQI
28th Jul 2025335 PMAQI
28th Jul 2025326 PMAQI
28th Jul 2025327 PMAQI
28th Jul 2025338 PMAQI
28th Jul 2025329 PMAQI
28th Jul 20253210 PMAQI
28th Jul 20253411 PMAQI
29th Jul 20253212 AMAQI
29th Jul 2025291 AMAQI
29th Jul 2025302 AMAQI
29th Jul 2025293 AMAQI
29th Jul 2025294 AMAQI
18°C16/24°C
29th Jul 2025305 AMAQI
29th Jul 2025306 AMAQI
29th Jul 2025337 AMAQI
29th Jul 2025338 AMAQI
29th Jul 2025319 AMAQI
29th Jul 20253110 AMAQI
29th Jul 20253011 AMAQI
29th Jul 20253112 PMAQI
29th Jul 2025321 PMAQI
29th Jul 2025322 PMAQI
29th Jul 2025323 PMAQI
29th Jul 2025324 PMAQI
29th Jul 2025325 PMAQI
29th Jul 2025326 PMAQI
29th Jul 2025337 PMAQI
29th Jul 2025298 PMAQI
29th Jul 2025319 PMAQI
29th Jul 20253310 PMAQI
29th Jul 20253311 PMAQI
30th Jul 20253112 AMAQI
30th Jul 2025321 AMAQI
30th Jul 2025342 AMAQI
30th Jul 2025273 AMAQI
30th Jul 2025264 AMAQI
19°C16/24°C
30th Jul 2025315 AMAQI
30th Jul 2025316 AMAQI
30th Jul 2025317 AMAQI
30th Jul 2025338 AMAQI
30th Jul 2025339 AMAQI
30th Jul 20253510 AMAQI
30th Jul 20253811 AMAQI
30th Jul 20253912 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 2025359 PMAQI
30th Jul 20253610 PMAQI
30th Jul 20253411 PMAQI
31st Jul 20253612 AMAQI
31st Jul 2025381 AMAQI
31st Jul 2025322 AMAQI
31st Jul 2025313 AMAQI
31st Jul 2025274 AMAQI
19°C15/26°C
31st Jul 2025305 AMAQI
31st Jul 2025426 AMAQI
31st Jul 2025437 AMAQI
31st Jul 2025468 AMAQI
31st Jul 2025529 AMAQI
31st Jul 20255210 AMAQI
31st Jul 20255211 AMAQI
31st Jul 20255312 PMAQI
31st Jul 2025461 PMAQI
31st Jul 2025512 PMAQI
31st Jul 2025503 PMAQI
31st Jul 2025454 PMAQI
31st Jul 2025465 PMAQI
31st Jul 2025466 PMAQI
31st Jul 2025417 PMAQI
31st Jul 2025398 PMAQI
31st Jul 2025409 PMAQI
31st Jul 20254310 PMAQI
31st Jul 20254611 PMAQI
1st Aug 20254412 AMAQI
1st Aug 2025451 AMAQI
1st Aug 2025462 AMAQI
1st Aug 2025453 AMAQI
1st Aug 2025464 AMAQI
19°C15/26°C
1st Aug 2025425 AMAQI
1st Aug 2025446 AMAQI
1st Aug 2025467 AMAQI
1st Aug 2025488 AMAQI
1st Aug 2025489 AMAQI
1st Aug 20255110 AMAQI
1st Aug 20254811 AMAQI
1st Aug 20255012 PMAQI
1st Aug 2025511 PMAQI
1st Aug 2025522 PMAQI
1st Aug 2025493 PMAQI
1st Aug 2025504 PMAQI
1st Aug 2025515 PMAQI
1st Aug 2025476 PMAQI
1st Aug 2025487 PMAQI
1st Aug 2025528 PMAQI
1st Aug 2025539 PMAQI
1st Aug 20255010 PMAQI
1st Aug 20255111 PMAQI
2nd Aug 20255412 AMAQI
2nd Aug 2025521 AMAQI
2nd Aug 2025502 AMAQI
2nd Aug 2025503 AMAQI
2nd Aug 2025564 AMAQI
19°C14/26°C
2nd Aug 2025515 AMAQI
2nd Aug 2025506 AMAQI
2nd Aug 2025497 AMAQI
2nd Aug 2025508 AMAQI
2nd Aug 2025519 AMAQI
2nd Aug 20255210 AMAQI
2nd Aug 20255011 AMAQI
2nd Aug 20254812 PMAQI
2nd Aug 2025531 PMAQI
2nd Aug 2025522 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 2025349 PMAQI
2nd Aug 20254410 PMAQI
2nd Aug 20253811 PMAQI
3rd Aug 20253812 AMAQI
3rd Aug 2025411 AMAQI
3rd Aug 2025502 AMAQI
3rd Aug 2025503 AMAQI
3rd Aug 2025364 AMAQI
19°C14/26°C
3rd Aug 2025335 AMAQI
3rd Aug 2025326 AMAQI
3rd Aug 2025327 AMAQI
3rd Aug 2025288 AMAQI
3rd Aug 2025309 AMAQI
3rd Aug 20253610 AMAQI
3rd Aug 20252911 AMAQI
3rd Aug 20253012 PMAQI
3rd Aug 2025341 PMAQI
3rd Aug 2025362 PMAQI
3rd Aug 2025373 PMAQI
3rd Aug 2025344 PMAQI
3rd Aug 2025345 PMAQI
3rd Aug 2025246 PMAQI
3rd Aug 2025287 PMAQI
3rd Aug 2025328 PMAQI
3rd Aug 2025349 PMAQI
3rd Aug 20254010 PMAQI
3rd Aug 20253911 PMAQI
4th Aug 20253412 AMAQI
4th Aug 2025301 AMAQI
4th Aug 2025352 AMAQI
4th Aug 2025313 AMAQI
4th Aug 2025284 AMAQI
18°C14/25°C
4th Aug 2025335 AMAQI
4th Aug 2025336 AMAQI
4th Aug 2025377 AMAQI
4th Aug 2025368 AMAQI
4th Aug 2025309 AMAQI
4th Aug 20253810 AMAQI
4th Aug 20253011 AMAQI
4th Aug 20253012 PMAQI
4th Aug 2025321 PMAQI
4th Aug 2025282 PMAQI
4th Aug 2025253 PMAQI
4th Aug 2025244 PMAQI
4th Aug 2025265 PMAQI
4th Aug 2025286 PMAQI
4th Aug 2025287 PMAQI
4th Aug 2025308 PMAQI
4th Aug 2025269 PMAQI
4th Aug 20252510 PMAQI
4th Aug 20253211 PMAQI
5th Aug 20253212 AMAQI
5th Aug 2025331 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025313 AMAQI
5th Aug 2025384 AMAQI
17°C14/24°C
5th Aug 2025345 AMAQI
5th Aug 2025436 AMAQI
5th Aug 2025357 AMAQI
5th Aug 2025468 AMAQI
5th Aug 2025529 AMAQI
5th Aug 20255210 AMAQI
5th Aug 20255411 AMAQI
5th Aug 20255312 PMAQI
5th Aug 2025441 PMAQI
5th Aug 2025432 PMAQI
5th Aug 2025433 PMAQI
5th Aug 2025434 PMAQI
5th Aug 2025435 PMAQI
5th Aug 2025256 PMAQI
5th Aug 2025357 PMAQI
5th Aug 2025368 PMAQI
5th Aug 2025429 PMAQI
5th Aug 20253910 PMAQI
5th Aug 20254511 PMAQI
6th Aug 20255412 AMAQI
6th Aug 2025341 AMAQI
6th Aug 2025262 AMAQI
6th Aug 2025363 AMAQI
6th Aug 2025374 AMAQI
17°C14/22°C
6th Aug 2025475 AMAQI
6th Aug 2025466 AMAQI
6th Aug 2025487 AMAQI
6th Aug 2025438 AMAQI
6th Aug 2025459 AMAQI
6th Aug 20255010 AMAQI
6th Aug 20255311 AMAQI
6th Aug 20255612 PMAQI
6th Aug 2025461 PMAQI
6th Aug 2025452 PMAQI
6th Aug 2025423 PMAQI
6th Aug 2025434 PMAQI
6th Aug 2025425 PMAQI
6th Aug 2025376 PMAQI
6th Aug 2025417 PMAQI
6th Aug 2025458 PMAQI
6th Aug 2025409 PMAQI
6th Aug 20254010 PMAQI
6th Aug 20254811 PMAQI
7th Aug 20253812 AMAQI
7th Aug 2025351 AMAQI
7th Aug 2025272 AMAQI
7th Aug 2025273 AMAQI
7th Aug 2025364 AMAQI
18°C14/25°C
7th Aug 2025255 AMAQI
5 AM7th Aug 2025306 AMAQI
7th Aug 2025287 AMAQI
7th Aug 2025298 AMAQI
7th Aug 2025289 AMAQI
7th Aug 20253610 AMAQI
7th Aug 20253011 AMAQI
11 AM7th Aug 20253012 PMAQI
7th Aug 2025321 PMAQI
7th Aug 2025292 PMAQI
7th Aug 2025303 PMAQI
7th Aug 2025324 PMAQI
7th Aug 2025295 PMAQI
7th Aug 2025316 PMAQI
6 PM7th Aug 2025327 PMAQI
7th Aug 2025338 PMAQI
7th Aug 2025339 PMAQI
7th Aug 20253210 PMAQI
7th Aug 20253211 PMAQI
11 PM4 AM
18°C13/26°C
Day time
Avg. Highest Time
6 AM - 6 PM
39AQI
13 hours / Day
390 hours / Month
Avg. Lowest Time
5 AM
35AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 6 PM (Avg. 39), while the lowest AQI was between 5 AM to 5 AM (Avg. 35).
Night time
Avg. Highest Time
12 AM
41AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
3 AM - 4 AM
35AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 12 AM (Avg. 41), while the lowest AQI was between 3 AM to 4 AM (Avg. 35).
2025 Days Vs Air Quality
Monterrey, San Pedro, San Jose, Costa Rica
2025
100%
70
Total number of days with different AQI categories in last 220 days in 2025 (145 days remaining)
Good
70 DaysModerate
0 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 100%
Health Risk Level:
Very Low
In 2025, 100% of 220 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Monterrey, San Pedro, 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 May 2025
41AQI
41AQI
2nd May 2025
42AQI
42AQI
3rd May 2025
44AQI
44AQI
1st June 2025
40AQI
40AQI
2nd June 2025
43AQI
43AQI
3rd June 2025
41AQI
41AQI
4th June 2025
43AQI
43AQI
5th June 2025
44AQI
44AQI
6th June 2025
37AQI
37AQI
7th June 2025
36AQI
36AQI
8th June 2025
37AQI
37AQI
9th June 2025
36AQI
36AQI
10th June 2025
40AQI
40AQI
11th June 2025
40AQI
40AQI
12th June 2025
42AQI
42AQI
13th June 2025
43AQI
43AQI
14th June 2025
44AQI
44AQI
15th June 2025
43AQI
43AQI
16th June 2025
42AQI
42AQI
17th June 2025
44AQI
44AQI
18th June 2025
43AQI
43AQI
19th June 2025
41AQI
41AQI
20th June 2025
38AQI
38AQI
21st June 2025
36AQI
36AQI
22nd June 2025
33AQI
33AQI
23rd June 2025
34AQI
34AQI
24th June 2025
40AQI
40AQI
25th June 2025
39AQI
39AQI
26th June 2025
37AQI
37AQI
27th June 2025
35AQI
35AQI
28th June 2025
37AQI
37AQI
29th June 2025
37AQI
37AQI
30th June 2025
36AQI
36AQI
1st July 2025
36AQI
36AQI
2nd July 2025
32AQI
32AQI
3rd July 2025
34AQI
34AQI
4th July 2025
35AQI
35AQI
5th July 2025
38AQI
38AQI
6th July 2025
41AQI
41AQI
7th July 2025
41AQI
41AQI
8th July 2025
41AQI
41AQI
9th July 2025
45AQI
45AQI
10th July 2025
35AQI
35AQI
11th July 2025
44AQI
44AQI
12th July 2025
43AQI
43AQI
13th July 2025
47AQI
47AQI
14th July 2025
38AQI
38AQI
15th July 2025
37AQI
37AQI
16th July 2025
37AQI
37AQI
17th July 2025
36AQI
36AQI
18th July 2025
32AQI
32AQI
19th July 2025
35AQI
35AQI
20th July 2025
37AQI
37AQI
21st July 2025
38AQI
38AQI
22nd July 2025
36AQI
36AQI
23rd July 2025
40AQI
40AQI
24th July 2025
37AQI
37AQI
25th July 2025
35AQI
35AQI
26th July 2025
37AQI
37AQI
27th July 2025
34AQI
34AQI
28th July 2025
31AQI
31AQI
29th July 2025
31AQI
31AQI
30th July 2025
35AQI
35AQI
31st July 2025
41AQI
41AQI
1st August 2025
48AQI
48AQI
2nd August 2025
48AQI
48AQI
3rd August 2025
35AQI
35AQI
4th August 2025
30AQI
30AQI
5th August 2025
40AQI
40AQI
6th August 2025
43AQI
43AQI
42AQI
39AQI
37AQI
41AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202539AQI
3
30
31
6
70
Highest AQI recorded in
May42AQI
Lowest AQI recorded in
July37AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
39AQILeast Polluted Year Recorded
2025(Avg.)
39AQIMonterrey's annual 2025 AQI (39) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
