South 1st Street, El Cajon, California, 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+
August Air Quality Analysis
South 1st Street, El Cajon, California, United States
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Aug 2025
64AQILowest AQI recorded on
2nd Aug 2025
44AQISame Day Analysis (10th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 54 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 10th Aug - 11th Aug 2025
South 1st Street, El Cajon, California, United States
AQI
Day
Night
.
5 AM10th Aug 2025
7 PM
4 AM11th Aug 2025
Day time
Avg. Highest Time
1PM10th Aug
58AQI
Avg. Lowest Time
7AM10th Aug
52AQI
Night time
Avg. Highest Time
8PM10th Aug
55AQI
Avg. Lowest Time
5AM10th Aug
48AQI
In the last 24 hours,
South 1st Street's AQI reached its highest point of 58 at 1 PM during the Day, while the lowest point, 48, was recorded at 5 AM during the Night between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
South 1st Street, El Cajon, California, United States
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 2025485 AMAQI
12th Jul 2025516 AMAQI
12th Jul 2025527 AMAQI
12th Jul 2025538 AMAQI
12th Jul 2025549 AMAQI
12th Jul 20255610 AMAQI
12th Jul 20255611 AMAQI
12th Jul 20255812 PMAQI
12th Jul 2025611 PMAQI
12th Jul 2025612 PMAQI
12th Jul 2025603 PMAQI
12th Jul 2025584 PMAQI
12th Jul 2025565 PMAQI
12th Jul 2025546 PMAQI
12th Jul 2025527 PMAQI
12th Jul 2025508 PMAQI
12th Jul 2025489 PMAQI
12th Jul 20255010 PMAQI
12th Jul 20255011 PMAQI
13th Jul 20254812 AMAQI
13th Jul 2025491 AMAQI
13th Jul 2025492 AMAQI
13th Jul 2025463 AMAQI
13th Jul 2025394 AMAQI
21°C15/30°C
13th Jul 2025375 AMAQI
13th Jul 2025416 AMAQI
13th Jul 2025427 AMAQI
13th Jul 2025438 AMAQI
13th Jul 2025449 AMAQI
13th Jul 20254810 AMAQI
13th Jul 20254811 AMAQI
13th Jul 20254912 PMAQI
13th Jul 2025511 PMAQI
13th Jul 2025532 PMAQI
13th Jul 2025533 PMAQI
13th Jul 2025524 PMAQI
13th Jul 2025525 PMAQI
13th Jul 2025526 PMAQI
13th Jul 2025467 PMAQI
13th Jul 2025448 PMAQI
13th Jul 2025409 PMAQI
13th Jul 20254110 PMAQI
13th Jul 20254011 PMAQI
14th Jul 20254112 AMAQI
14th Jul 2025411 AMAQI
14th Jul 2025402 AMAQI
14th Jul 2025383 AMAQI
14th Jul 2025344 AMAQI
23°C17/30°C
14th Jul 2025355 AMAQI
14th Jul 2025366 AMAQI
14th Jul 2025397 AMAQI
14th Jul 2025418 AMAQI
14th Jul 2025459 AMAQI
14th Jul 20254610 AMAQI
14th Jul 20254711 AMAQI
14th Jul 20255012 PMAQI
14th Jul 2025521 PMAQI
14th Jul 2025522 PMAQI
14th Jul 2025513 PMAQI
14th Jul 2025484 PMAQI
14th Jul 2025435 PMAQI
14th Jul 2025416 PMAQI
14th Jul 2025407 PMAQI
14th Jul 2025388 PMAQI
14th Jul 2025329 PMAQI
14th Jul 20253210 PMAQI
14th Jul 20253011 PMAQI
15th Jul 20253012 AMAQI
15th Jul 2025311 AMAQI
15th Jul 2025302 AMAQI
15th Jul 2025313 AMAQI
15th Jul 2025304 AMAQI
22°C16/30°C
15th Jul 2025275 AMAQI
15th Jul 2025316 AMAQI
15th Jul 2025347 AMAQI
15th Jul 2025348 AMAQI
15th Jul 2025359 AMAQI
15th Jul 20253710 AMAQI
15th Jul 20253911 AMAQI
15th Jul 20254112 PMAQI
15th Jul 2025451 PMAQI
15th Jul 2025522 PMAQI
15th Jul 2025503 PMAQI
15th Jul 2025514 PMAQI
15th Jul 2025475 PMAQI
15th Jul 2025426 PMAQI
15th Jul 2025357 PMAQI
15th Jul 2025328 PMAQI
15th Jul 2025309 PMAQI
15th Jul 20253010 PMAQI
15th Jul 20252611 PMAQI
16th Jul 20252812 AMAQI
16th Jul 2025281 AMAQI
16th Jul 2025282 AMAQI
16th Jul 2025283 AMAQI
16th Jul 2025254 AMAQI
22°C17/30°C
16th Jul 2025275 AMAQI
16th Jul 2025296 AMAQI
16th Jul 2025317 AMAQI
16th Jul 2025318 AMAQI
16th Jul 2025329 AMAQI
16th Jul 20253410 AMAQI
16th Jul 20253711 AMAQI
16th Jul 20254012 PMAQI
16th Jul 2025401 PMAQI
16th Jul 2025392 PMAQI
16th Jul 2025413 PMAQI
16th Jul 2025384 PMAQI
16th Jul 2025375 PMAQI
16th Jul 2025356 PMAQI
16th Jul 2025307 PMAQI
16th Jul 2025288 PMAQI
16th Jul 2025249 PMAQI
16th Jul 20252410 PMAQI
16th Jul 20252311 PMAQI
17th Jul 20252412 AMAQI
17th Jul 2025241 AMAQI
17th Jul 2025242 AMAQI
17th Jul 2025253 AMAQI
17th Jul 2025214 AMAQI
22°C18/29°C
17th Jul 2025205 AMAQI
17th Jul 2025206 AMAQI
17th Jul 2025217 AMAQI
17th Jul 2025218 AMAQI
17th Jul 2025219 AMAQI
17th Jul 20252310 AMAQI
17th Jul 20252411 AMAQI
17th Jul 20252412 PMAQI
17th Jul 2025261 PMAQI
17th Jul 2025282 PMAQI
17th Jul 2025303 PMAQI
17th Jul 2025304 PMAQI
17th Jul 2025295 PMAQI
17th Jul 2025286 PMAQI
17th Jul 2025247 PMAQI
17th Jul 2025248 PMAQI
17th Jul 2025269 PMAQI
17th Jul 20252610 PMAQI
17th Jul 20252511 PMAQI
18th Jul 20252412 AMAQI
18th Jul 2025241 AMAQI
18th Jul 2025222 AMAQI
18th Jul 2025223 AMAQI
18th Jul 2025184 AMAQI
23°C18/31°C
18th Jul 2025185 AMAQI
18th Jul 2025196 AMAQI
18th Jul 2025207 AMAQI
18th Jul 2025218 AMAQI
18th Jul 2025229 AMAQI
18th Jul 20252410 AMAQI
18th Jul 20252411 AMAQI
18th Jul 20252612 PMAQI
18th Jul 2025261 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025303 PMAQI
18th Jul 2025304 PMAQI
18th Jul 2025315 PMAQI
18th Jul 2025316 PMAQI
18th Jul 2025267 PMAQI
18th Jul 2025268 PMAQI
18th Jul 2025309 PMAQI
18th Jul 20253010 PMAQI
18th Jul 20252811 PMAQI
19th Jul 20252712 AMAQI
19th Jul 2025301 AMAQI
19th Jul 2025302 AMAQI
19th Jul 2025303 AMAQI
19th Jul 2025344 AMAQI
21°C17/26°C
19th Jul 2025345 AMAQI
19th Jul 2025346 AMAQI
19th Jul 2025347 AMAQI
19th Jul 2025348 AMAQI
19th Jul 2025369 AMAQI
19th Jul 20253810 AMAQI
19th Jul 20254011 AMAQI
19th Jul 20254112 PMAQI
19th Jul 2025421 PMAQI
19th Jul 2025412 PMAQI
19th Jul 2025423 PMAQI
19th Jul 2025424 PMAQI
19th Jul 2025415 PMAQI
19th Jul 2025406 PMAQI
19th Jul 2025387 PMAQI
19th Jul 2025398 PMAQI
19th Jul 2025409 PMAQI
19th Jul 20253810 PMAQI
19th Jul 20253711 PMAQI
20th Jul 20253712 AMAQI
20th Jul 2025371 AMAQI
20th Jul 2025372 AMAQI
20th Jul 2025383 AMAQI
20th Jul 2025414 AMAQI
22°C17/30°C
20th Jul 2025405 AMAQI
20th Jul 2025436 AMAQI
20th Jul 2025447 AMAQI
20th Jul 2025468 AMAQI
20th Jul 2025489 AMAQI
20th Jul 20254810 AMAQI
20th Jul 20255011 AMAQI
20th Jul 20255112 PMAQI
20th Jul 2025511 PMAQI
20th Jul 2025512 PMAQI
20th Jul 2025483 PMAQI
20th Jul 2025484 PMAQI
20th Jul 2025485 PMAQI
20th Jul 2025446 PMAQI
20th Jul 2025457 PMAQI
20th Jul 2025448 PMAQI
20th Jul 2025419 PMAQI
20th Jul 20253910 PMAQI
20th Jul 20253911 PMAQI
21st Jul 20253812 AMAQI
21st Jul 2025371 AMAQI
21st Jul 2025372 AMAQI
21st Jul 2025363 AMAQI
21st Jul 2025344 AMAQI
21°C16/28°C
21st Jul 2025335 AMAQI
21st Jul 2025336 AMAQI
21st Jul 2025347 AMAQI
21st Jul 2025348 AMAQI
21st Jul 2025359 AMAQI
21st Jul 20253510 AMAQI
21st Jul 20253811 AMAQI
21st Jul 20253812 PMAQI
21st Jul 2025421 PMAQI
21st Jul 2025422 PMAQI
21st Jul 2025413 PMAQI
21st Jul 2025384 PMAQI
21st Jul 2025395 PMAQI
21st Jul 2025386 PMAQI
21st Jul 2025387 PMAQI
21st Jul 2025358 PMAQI
21st Jul 2025349 PMAQI
21st Jul 20253110 PMAQI
21st Jul 20253011 PMAQI
22nd Jul 20252812 AMAQI
22nd Jul 2025271 AMAQI
22nd Jul 2025272 AMAQI
22nd Jul 2025263 AMAQI
22nd Jul 2025234 AMAQI
20°C16/26°C
22nd Jul 2025225 AMAQI
22nd Jul 2025246 AMAQI
22nd Jul 2025267 AMAQI
22nd Jul 2025248 AMAQI
22nd Jul 2025269 AMAQI
22nd Jul 20252410 AMAQI
22nd Jul 20252511 AMAQI
22nd Jul 20252612 PMAQI
22nd Jul 2025261 PMAQI
22nd Jul 2025272 PMAQI
22nd Jul 2025283 PMAQI
22nd Jul 2025284 PMAQI
22nd Jul 2025285 PMAQI
22nd Jul 2025276 PMAQI
22nd Jul 2025247 PMAQI
22nd Jul 2025258 PMAQI
22nd Jul 2025239 PMAQI
22nd Jul 20252310 PMAQI
22nd Jul 20252311 PMAQI
23rd Jul 20252212 AMAQI
23rd Jul 2025221 AMAQI
23rd Jul 2025212 AMAQI
23rd Jul 2025233 AMAQI
23rd Jul 2025224 AMAQI
20°C18/26°C
23rd Jul 2025225 AMAQI
23rd Jul 2025226 AMAQI
23rd Jul 2025227 AMAQI
23rd Jul 2025238 AMAQI
23rd Jul 2025239 AMAQI
23rd Jul 20252510 AMAQI
23rd Jul 20252411 AMAQI
23rd Jul 20252512 PMAQI
23rd Jul 2025251 PMAQI
23rd Jul 2025272 PMAQI
23rd Jul 2025263 PMAQI
23rd Jul 2025254 PMAQI
23rd Jul 2025265 PMAQI
23rd Jul 2025266 PMAQI
23rd Jul 2025247 PMAQI
23rd Jul 2025238 PMAQI
23rd Jul 2025249 PMAQI
23rd Jul 20252510 PMAQI
23rd Jul 20252611 PMAQI
24th Jul 20252612 AMAQI
24th Jul 2025261 AMAQI
24th Jul 2025262 AMAQI
24th Jul 2025263 AMAQI
24th Jul 2025264 AMAQI
23°C17/31°C
24th Jul 2025265 AMAQI
24th Jul 2025266 AMAQI
24th Jul 2025277 AMAQI
24th Jul 2025288 AMAQI
24th Jul 2025299 AMAQI
24th Jul 20253110 AMAQI
24th Jul 20253211 AMAQI
24th Jul 20253512 PMAQI
24th Jul 2025341 PMAQI
24th Jul 2025302 PMAQI
24th Jul 2025353 PMAQI
24th Jul 2025404 PMAQI
24th Jul 2025385 PMAQI
24th Jul 2025326 PMAQI
24th Jul 2025277 PMAQI
24th Jul 2025268 PMAQI
24th Jul 2025249 PMAQI
24th Jul 20252210 PMAQI
24th Jul 20252211 PMAQI
25th Jul 20252212 AMAQI
25th Jul 2025221 AMAQI
25th Jul 2025222 AMAQI
25th Jul 2025223 AMAQI
25th Jul 2025204 AMAQI
22°C16/30°C
25th Jul 2025225 AMAQI
25th Jul 2025236 AMAQI
25th Jul 2025247 AMAQI
25th Jul 2025248 AMAQI
25th Jul 2025249 AMAQI
25th Jul 20252410 AMAQI
25th Jul 20252511 AMAQI
25th Jul 20252412 PMAQI
25th Jul 2025251 PMAQI
25th Jul 2025252 PMAQI
25th Jul 2025243 PMAQI
25th Jul 2025244 PMAQI
25th Jul 2025245 PMAQI
25th Jul 2025236 PMAQI
25th Jul 2025227 PMAQI
25th Jul 2025238 PMAQI
25th Jul 2025229 PMAQI
25th Jul 20252110 PMAQI
25th Jul 20252111 PMAQI
26th Jul 20252012 AMAQI
26th Jul 2025201 AMAQI
26th Jul 2025212 AMAQI
26th Jul 2025223 AMAQI
26th Jul 2025214 AMAQI
20°C15/28°C
26th Jul 2025205 AMAQI
26th Jul 2025216 AMAQI
26th Jul 2025207 AMAQI
26th Jul 2025228 AMAQI
26th Jul 2025239 AMAQI
26th Jul 20252210 AMAQI
26th Jul 20252211 AMAQI
26th Jul 20252212 PMAQI
26th Jul 2025231 PMAQI
26th Jul 2025222 PMAQI
26th Jul 2025233 PMAQI
26th Jul 2025224 PMAQI
26th Jul 2025225 PMAQI
26th Jul 2025216 PMAQI
26th Jul 2025227 PMAQI
26th Jul 2025228 PMAQI
26th Jul 2025209 PMAQI
26th Jul 20252110 PMAQI
26th Jul 20252311 PMAQI
27th Jul 20252312 AMAQI
27th Jul 2025201 AMAQI
27th Jul 2025212 AMAQI
27th Jul 2025213 AMAQI
27th Jul 2025194 AMAQI
21°C15/29°C
27th Jul 2025205 AMAQI
27th Jul 2025216 AMAQI
27th Jul 2025227 AMAQI
27th Jul 2025228 AMAQI
27th Jul 2025249 AMAQI
27th Jul 20252410 AMAQI
27th Jul 20252611 AMAQI
27th Jul 20252612 PMAQI
27th Jul 2025271 PMAQI
27th Jul 2025282 PMAQI
27th Jul 2025283 PMAQI
27th Jul 2025274 PMAQI
27th Jul 2025285 PMAQI
27th Jul 2025276 PMAQI
27th Jul 2025257 PMAQI
27th Jul 2025248 PMAQI
27th Jul 2025249 PMAQI
27th Jul 20252210 PMAQI
27th Jul 20252311 PMAQI
28th Jul 20252312 AMAQI
28th Jul 2025231 AMAQI
28th Jul 2025232 AMAQI
28th Jul 2025243 AMAQI
28th Jul 2025234 AMAQI
21°C15/29°C
28th Jul 2025245 AMAQI
28th Jul 2025256 AMAQI
28th Jul 2025267 AMAQI
28th Jul 2025268 AMAQI
28th Jul 2025279 AMAQI
28th Jul 20252910 AMAQI
28th Jul 20253011 AMAQI
28th Jul 20253212 PMAQI
28th Jul 2025341 PMAQI
28th Jul 2025322 PMAQI
28th Jul 2025313 PMAQI
28th Jul 2025304 PMAQI
28th Jul 2025315 PMAQI
28th Jul 2025306 PMAQI
28th Jul 2025287 PMAQI
28th Jul 2025288 PMAQI
28th Jul 2025289 PMAQI
28th Jul 20252710 PMAQI
28th Jul 20252711 PMAQI
29th Jul 20252712 AMAQI
29th Jul 2025271 AMAQI
29th Jul 2025272 AMAQI
29th Jul 2025273 AMAQI
29th Jul 2025294 AMAQI
21°C16/29°C
29th Jul 2025305 AMAQI
29th Jul 2025306 AMAQI
29th Jul 2025347 AMAQI
29th Jul 2025378 AMAQI
29th Jul 2025399 AMAQI
29th Jul 20254010 AMAQI
29th Jul 20254211 AMAQI
29th Jul 20254412 PMAQI
29th Jul 2025441 PMAQI
29th Jul 2025442 PMAQI
29th Jul 2025423 PMAQI
29th Jul 2025414 PMAQI
29th Jul 2025395 PMAQI
29th Jul 2025406 PMAQI
29th Jul 2025377 PMAQI
29th Jul 2025368 PMAQI
29th Jul 2025349 PMAQI
29th Jul 20253610 PMAQI
29th Jul 20253411 PMAQI
30th Jul 20253412 AMAQI
30th Jul 2025341 AMAQI
30th Jul 2025372 AMAQI
30th Jul 2025373 AMAQI
30th Jul 2025414 AMAQI
23°C16/32°C
30th Jul 2025405 AMAQI
30th Jul 2025396 AMAQI
30th Jul 2025417 AMAQI
30th Jul 2025428 AMAQI
30th Jul 2025419 AMAQI
30th Jul 20254210 AMAQI
30th Jul 20254911 AMAQI
30th Jul 20255312 PMAQI
30th Jul 2025521 PMAQI
30th Jul 2025512 PMAQI
30th Jul 2025513 PMAQI
30th Jul 2025514 PMAQI
30th Jul 2025515 PMAQI
30th Jul 2025516 PMAQI
30th Jul 2025517 PMAQI
30th Jul 2025518 PMAQI
30th Jul 2025449 PMAQI
30th Jul 20254210 PMAQI
30th Jul 20254511 PMAQI
31st Jul 20254712 AMAQI
31st Jul 2025461 AMAQI
31st Jul 2025482 AMAQI
31st Jul 2025473 AMAQI
31st Jul 2025494 AMAQI
24°C16/34°C
31st Jul 2025475 AMAQI
31st Jul 2025486 AMAQI
31st Jul 2025527 AMAQI
31st Jul 2025518 AMAQI
31st Jul 2025509 AMAQI
31st Jul 20255110 AMAQI
31st Jul 20255311 AMAQI
31st Jul 20255312 PMAQI
31st Jul 2025551 PMAQI
31st Jul 2025562 PMAQI
31st Jul 2025563 PMAQI
31st Jul 2025544 PMAQI
31st Jul 2025545 PMAQI
31st Jul 2025536 PMAQI
31st Jul 2025527 PMAQI
31st Jul 2025508 PMAQI
31st Jul 2025479 PMAQI
31st Jul 20254610 PMAQI
31st Jul 20254311 PMAQI
1st Aug 20254412 AMAQI
1st Aug 2025411 AMAQI
1st Aug 2025392 AMAQI
1st Aug 2025423 AMAQI
1st Aug 2025444 AMAQI
23°C17/33°C
1st Aug 2025495 AMAQI
1st Aug 2025526 AMAQI
1st Aug 2025517 AMAQI
1st Aug 2025528 AMAQI
1st Aug 2025549 AMAQI
1st Aug 20255310 AMAQI
1st Aug 20255611 AMAQI
1st Aug 20255812 PMAQI
1st Aug 2025591 PMAQI
1st Aug 2025602 PMAQI
1st Aug 2025603 PMAQI
1st Aug 2025594 PMAQI
1st Aug 2025575 PMAQI
1st Aug 2025566 PMAQI
1st Aug 2025527 PMAQI
1st Aug 2025498 PMAQI
1st Aug 2025469 PMAQI
1st Aug 20254410 PMAQI
1st Aug 20254211 PMAQI
2nd Aug 20254012 AMAQI
2nd Aug 2025371 AMAQI
2nd Aug 2025372 AMAQI
2nd Aug 2025363 AMAQI
2nd Aug 2025394 AMAQI
22°C16/31°C
2nd Aug 2025405 AMAQI
2nd Aug 2025446 AMAQI
2nd Aug 2025447 AMAQI
2nd Aug 2025528 AMAQI
2nd Aug 2025549 AMAQI
2nd Aug 20255310 AMAQI
2nd Aug 20255411 AMAQI
2nd Aug 20255612 PMAQI
2nd Aug 2025561 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025563 PMAQI
2nd Aug 2025554 PMAQI
2nd Aug 2025545 PMAQI
2nd Aug 2025496 PMAQI
2nd Aug 2025467 PMAQI
2nd Aug 2025408 PMAQI
2nd Aug 2025379 PMAQI
2nd Aug 20253410 PMAQI
2nd Aug 20253411 PMAQI
3rd Aug 20253412 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025362 AMAQI
3rd Aug 2025383 AMAQI
3rd Aug 2025384 AMAQI
23°C16/33°C
3rd Aug 2025435 AMAQI
3rd Aug 2025486 AMAQI
3rd Aug 2025517 AMAQI
3rd Aug 2025528 AMAQI
3rd Aug 2025529 AMAQI
3rd Aug 20255210 AMAQI
3rd Aug 20255311 AMAQI
3rd Aug 20255312 PMAQI
3rd Aug 2025541 PMAQI
3rd Aug 2025542 PMAQI
3rd Aug 2025543 PMAQI
3rd Aug 2025554 PMAQI
3rd Aug 2025555 PMAQI
3rd Aug 2025546 PMAQI
3rd Aug 2025477 PMAQI
3rd Aug 2025498 PMAQI
3rd Aug 2025509 PMAQI
3rd Aug 20255010 PMAQI
3rd Aug 20255211 PMAQI
4th Aug 20255312 AMAQI
4th Aug 2025531 AMAQI
4th Aug 2025532 AMAQI
4th Aug 2025543 AMAQI
4th Aug 2025544 AMAQI
23°C17/33°C
4th Aug 2025555 AMAQI
4th Aug 2025566 AMAQI
4th Aug 2025577 AMAQI
4th Aug 2025598 AMAQI
4th Aug 2025629 AMAQI
4th Aug 20256410 AMAQI
4th Aug 20256611 AMAQI
4th Aug 20256712 PMAQI
4th Aug 2025701 PMAQI
4th Aug 2025722 PMAQI
4th Aug 2025723 PMAQI
4th Aug 2025704 PMAQI
4th Aug 2025685 PMAQI
4th Aug 2025646 PMAQI
4th Aug 2025597 PMAQI
4th Aug 2025608 PMAQI
4th Aug 2025609 PMAQI
4th Aug 20256010 PMAQI
4th Aug 20255711 PMAQI
5th Aug 20255812 AMAQI
5th Aug 2025561 AMAQI
5th Aug 2025572 AMAQI
5th Aug 2025573 AMAQI
5th Aug 2025584 AMAQI
23°C16/33°C
5th Aug 2025585 AMAQI
5th Aug 2025586 AMAQI
5th Aug 2025587 AMAQI
5th Aug 2025608 AMAQI
5th Aug 2025649 AMAQI
5th Aug 20256610 AMAQI
5th Aug 20256711 AMAQI
5th Aug 20256812 PMAQI
5th Aug 2025741 PMAQI
5th Aug 2025782 PMAQI
5th Aug 2025803 PMAQI
5th Aug 2025804 PMAQI
5th Aug 2025755 PMAQI
5th Aug 2025696 PMAQI
5th Aug 2025627 PMAQI
5th Aug 2025668 PMAQI
5th Aug 2025669 PMAQI
5th Aug 20256010 PMAQI
5th Aug 20255811 PMAQI
6th Aug 20255612 AMAQI
6th Aug 2025561 AMAQI
6th Aug 2025562 AMAQI
6th Aug 2025553 AMAQI
6th Aug 2025564 AMAQI
24°C17/34°C
6th Aug 2025575 AMAQI
6th Aug 2025566 AMAQI
6th Aug 2025567 AMAQI
6th Aug 2025568 AMAQI
6th Aug 2025579 AMAQI
6th Aug 20255810 AMAQI
6th Aug 20256011 AMAQI
6th Aug 20256112 PMAQI
6th Aug 2025631 PMAQI
6th Aug 2025642 PMAQI
6th Aug 2025633 PMAQI
6th Aug 2025624 PMAQI
6th Aug 2025635 PMAQI
6th Aug 2025646 PMAQI
6th Aug 2025597 PMAQI
6th Aug 2025608 PMAQI
6th Aug 2025609 PMAQI
6th Aug 20256010 PMAQI
6th Aug 20255811 PMAQI
7th Aug 20255812 AMAQI
7th Aug 2025581 AMAQI
7th Aug 2025572 AMAQI
7th Aug 2025583 AMAQI
7th Aug 2025574 AMAQI
26°C19/36°C
7th Aug 2025595 AMAQI
7th Aug 2025586 AMAQI
7th Aug 2025587 AMAQI
7th Aug 2025588 AMAQI
7th Aug 2025609 AMAQI
7th Aug 20256010 AMAQI
7th Aug 20256411 AMAQI
7th Aug 20256412 PMAQI
7th Aug 2025651 PMAQI
7th Aug 2025662 PMAQI
7th Aug 2025653 PMAQI
7th Aug 2025674 PMAQI
7th Aug 2025665 PMAQI
7th Aug 2025646 PMAQI
7th Aug 2025607 PMAQI
7th Aug 2025608 PMAQI
7th Aug 2025639 PMAQI
7th Aug 20256110 PMAQI
7th Aug 20255911 PMAQI
8th Aug 20255812 AMAQI
8th Aug 2025571 AMAQI
8th Aug 2025572 AMAQI
8th Aug 2025573 AMAQI
8th Aug 2025554 AMAQI
28°C20/39°C
8th Aug 2025565 AMAQI
8th Aug 2025566 AMAQI
8th Aug 2025587 AMAQI
8th Aug 2025568 AMAQI
8th Aug 2025569 AMAQI
8th Aug 20255610 AMAQI
8th Aug 20255811 AMAQI
8th Aug 20255812 PMAQI
8th Aug 2025601 PMAQI
8th Aug 2025642 PMAQI
8th Aug 2025623 PMAQI
8th Aug 2025604 PMAQI
8th Aug 2025605 PMAQI
8th Aug 2025596 PMAQI
8th Aug 2025587 PMAQI
8th Aug 2025578 PMAQI
8th Aug 2025549 PMAQI
8th Aug 20255410 PMAQI
8th Aug 20255311 PMAQI
9th Aug 20255312 AMAQI
9th Aug 2025531 AMAQI
9th Aug 2025532 AMAQI
9th Aug 2025533 AMAQI
9th Aug 2025484 AMAQI
27°C21/36°C
9th Aug 2025505 AMAQI
9th Aug 2025476 AMAQI
9th Aug 2025507 AMAQI
9th Aug 2025528 AMAQI
9th Aug 2025529 AMAQI
9th Aug 20255110 AMAQI
9th Aug 20255211 AMAQI
9th Aug 20255312 PMAQI
9th Aug 2025541 PMAQI
9th Aug 2025552 PMAQI
9th Aug 2025553 PMAQI
9th Aug 2025564 PMAQI
9th Aug 2025565 PMAQI
9th Aug 2025566 PMAQI
9th Aug 2025547 PMAQI
9th Aug 2025538 PMAQI
9th Aug 2025569 PMAQI
9th Aug 20255610 PMAQI
9th Aug 20255611 PMAQI
10th Aug 20255512 AMAQI
10th Aug 2025541 AMAQI
10th Aug 2025542 AMAQI
10th Aug 2025523 AMAQI
10th Aug 2025504 AMAQI
24°C17/32°C
10th Aug 2025485 AMAQI
10th Aug 2025526 AMAQI
10th Aug 2025527 AMAQI
10th Aug 2025538 AMAQI
10th Aug 2025539 AMAQI
10th Aug 20255410 AMAQI
10th Aug 20255611 AMAQI
10th Aug 20255712 PMAQI
10th Aug 2025581 PMAQI
10th Aug 2025582 PMAQI
10th Aug 2025583 PMAQI
10th Aug 2025584 PMAQI
10th Aug 2025565 PMAQI
10th Aug 2025566 PMAQI
10th Aug 2025547 PMAQI
10th Aug 2025558 PMAQI
10th Aug 2025549 PMAQI
10th Aug 20255510 PMAQI
10th Aug 20255411 PMAQI
11th Aug 20255412 AMAQI
11th Aug 2025541 AMAQI
11th Aug 2025532 AMAQI
11th Aug 2025523 AMAQI
11th Aug 2025534 AMAQI
24°C18/32°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 6 PM
43AQI
14 hours / Day
420 hours / Month
Avg. Lowest Time
5 AM - 7 PM
43AQI
15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 6 PM (Avg. 43), while the lowest AQI was between 5 AM to 7 PM (Avg. 43).
Night time
Avg. Highest Time
8 PM - 11 PM
39AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
12 AM - 4 AM
38AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 39), while the lowest AQI was between 12 AM to 4 AM (Avg. 38).
2025 Days Vs Air Quality
South 1st Street, El Cajon, California, United States
2025
74%
102
26%
36
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Good
102 DaysModerate
36 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 74%
Health Risk Level:
Low
In 2025, 74% of 223 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
South 1st Street, El Cajon, California, United States
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 March 2025
20AQI
20AQI
2nd March 2025
20AQI
20AQI
3rd March 2025
27AQI
27AQI
4th March 2025
39AQI
39AQI
5th March 2025
40AQI
40AQI
6th March 2025
22AQI
22AQI
1st April 2025
24AQI
24AQI
2nd April 2025
31AQI
31AQI
3rd April 2025
29AQI
29AQI
4th April 2025
22AQI
22AQI
5th April 2025
24AQI
24AQI
6th April 2025
26AQI
26AQI
7th April 2025
25AQI
25AQI
8th April 2025
38AQI
38AQI
9th April 2025
39AQI
39AQI
10th April 2025
41AQI
41AQI
11th April 2025
48AQI
48AQI
12th April 2025
54AQI
54AQI
13th April 2025
53AQI
53AQI
14th April 2025
54AQI
54AQI
15th April 2025
41AQI
41AQI
16th April 2025
33AQI
33AQI
17th April 2025
23AQI
23AQI
18th April 2025
23AQI
23AQI
19th April 2025
29AQI
29AQI
20th April 2025
37AQI
37AQI
21st April 2025
48AQI
48AQI
22nd April 2025
50AQI
50AQI
23rd April 2025
42AQI
42AQI
24th April 2025
38AQI
38AQI
25th April 2025
36AQI
36AQI
26th April 2025
21AQI
21AQI
27th April 2025
23AQI
23AQI
28th April 2025
21AQI
21AQI
29th April 2025
37AQI
37AQI
30th April 2025
50AQI
50AQI
1st May 2025
46AQI
46AQI
2nd May 2025
29AQI
29AQI
3rd May 2025
35AQI
35AQI
4th May 2025
27AQI
27AQI
5th May 2025
26AQI
26AQI
6th May 2025
37AQI
37AQI
7th May 2025
43AQI
43AQI
8th May 2025
46AQI
46AQI
9th May 2025
49AQI
49AQI
10th May 2025
46AQI
46AQI
11th May 2025
49AQI
49AQI
12th May 2025
53AQI
53AQI
13th May 2025
29AQI
29AQI
14th May 2025
30AQI
30AQI
15th May 2025
48AQI
48AQI
16th May 2025
53AQI
53AQI
17th May 2025
43AQI
43AQI
18th May 2025
26AQI
26AQI
19th May 2025
38AQI
38AQI
20th May 2025
47AQI
47AQI
21st May 2025
50AQI
50AQI
22nd May 2025
56AQI
56AQI
23rd May 2025
60AQI
60AQI
24th May 2025
56AQI
56AQI
25th May 2025
50AQI
50AQI
26th May 2025
48AQI
48AQI
27th May 2025
46AQI
46AQI
28th May 2025
41AQI
41AQI
29th May 2025
38AQI
38AQI
30th May 2025
46AQI
46AQI
31st May 2025
55AQI
55AQI
1st June 2025
48AQI
48AQI
2nd June 2025
42AQI
42AQI
3rd June 2025
32AQI
32AQI
4th June 2025
27AQI
27AQI
5th June 2025
27AQI
27AQI
6th June 2025
25AQI
25AQI
7th June 2025
29AQI
29AQI
8th June 2025
33AQI
33AQI
9th June 2025
43AQI
43AQI
10th June 2025
46AQI
46AQI
11th June 2025
46AQI
46AQI
12th June 2025
51AQI
51AQI
13th June 2025
58AQI
58AQI
14th June 2025
54AQI
54AQI
15th June 2025
53AQI
53AQI
16th June 2025
57AQI
57AQI
17th June 2025
60AQI
60AQI
18th June 2025
63AQI
63AQI
19th June 2025
59AQI
59AQI
20th June 2025
55AQI
55AQI
21st June 2025
61AQI
61AQI
22nd June 2025
61AQI
61AQI
23rd June 2025
57AQI
57AQI
24th June 2025
59AQI
59AQI
25th June 2025
53AQI
53AQI
26th June 2025
49AQI
49AQI
27th June 2025
49AQI
49AQI
28th June 2025
47AQI
47AQI
29th June 2025
46AQI
46AQI
30th June 2025
36AQI
36AQI
1st July 2025
39AQI
39AQI
2nd July 2025
38AQI
38AQI
3rd July 2025
39AQI
39AQI
4th July 2025
41AQI
41AQI
5th July 2025
60AQI
60AQI
6th July 2025
54AQI
54AQI
7th July 2025
56AQI
56AQI
8th July 2025
55AQI
55AQI
9th July 2025
46AQI
46AQI
10th July 2025
44AQI
44AQI
11th July 2025
56AQI
56AQI
12th July 2025
53AQI
53AQI
13th July 2025
46AQI
46AQI
14th July 2025
40AQI
40AQI
15th July 2025
35AQI
35AQI
16th July 2025
31AQI
31AQI
17th July 2025
24AQI
24AQI
18th July 2025
25AQI
25AQI
19th July 2025
36AQI
36AQI
20th July 2025
43AQI
43AQI
21st July 2025
36AQI
36AQI
22nd July 2025
25AQI
25AQI
23rd July 2025
24AQI
24AQI
24th July 2025
28AQI
28AQI
25th July 2025
23AQI
23AQI
26th July 2025
21AQI
21AQI
27th July 2025
23AQI
23AQI
28th July 2025
27AQI
27AQI
29th July 2025
35AQI
35AQI
30th July 2025
44AQI
44AQI
31st July 2025
50AQI
50AQI
1st August 2025
50AQI
50AQI
2nd August 2025
44AQI
44AQI
3rd August 2025
47AQI
47AQI
4th August 2025
60AQI
60AQI
5th August 2025
64AQI
64AQI
6th August 2025
59AQI
59AQI
7th August 2025
61AQI
61AQI
8th August 2025
57AQI
57AQI
9th August 2025
53AQI
53AQI
10th August 2025
54AQI
54AQI
28AQI
35AQI
43AQI
48AQI
39AQI
55AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202542AQI
6
27
3
25
6
16
14
25
6
3
7
102
36
Highest AQI recorded in
August55AQI
Lowest AQI recorded in
March28AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
42AQILeast Polluted Year Recorded
2025(Avg.)
42AQISouth 1st Street's annual 2025 AQI (42) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
