What is the current level of PM10 in El Cajon, California?

El Cajon, California currently has a PM10 concentration of 25.001 μg/m3.

What is the current level of sulfur dioxide (SO2) in El Cajon, California?

The current sulfur dioxide (SO2) concentration in El Cajon, California is 0.441 ppb.

What is the current level of ozone (O3) in El Cajon, California?

El Cajon, California currently has an ozone (O3) concentration of 47.983 ppm.

What is the current level of nitrogen dioxide (NO2) in El Cajon, California?

The current level of nitrogen dioxide (NO2) in El Cajon, California is 9.799 ppb.

Current air quality index in El Cajon, California today

Q: What is the PM2.5 concentration in El Cajon, California right now?

El Cajon, California currently has a PM2.5 concentration of 10.817 μg/m3.

Stay updated with real-time air quality in El Cajon, California featuring accurate data on AQI, PM_2.5, PM₁₀, O₃, NO₂, SO₂, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.

Live AQI (Air Quality Index)

Moderate

El Cajon, California

Last updated: ... (Local time)

Common air pollutants in El Cajon, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

14.21 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

24.92 μg/m³

155

255

425

605+

Ozone (O₃)

15.45 ppb

201

201+

Sulfur Dioxide (SO₂)

0.42 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

28.68 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.49 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

El Cajon, California

Get Live Pollen Counts

El Cajon, California

Scroll To Air Quality Map

Track live El Cajon, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-26T13:00:00.000Z	54 \| moderate	10.666 \| good	16.002 \| good	16.592 \| good	0.298 \| good	12.662 \| good	0.447 \| good
2025-10-26T14:00:00.000Z	54 \| moderate	10.556 \| good	15.014 \| good	17.576 \| good	0.325 \| good	12.296 \| good	0.429 \| good
2025-10-26T15:00:00.000Z	52 \| moderate	10.266 \| good	15.999 \| good	19.525 \| good	0.394 \| good	12.791 \| good	0.414 \| good
2025-10-26T16:00:00.000Z	52 \| moderate	10.084 \| good	15.084 \| good	19.562 \| good	0.403 \| good	13.127 \| good	0.432 \| good
2025-10-26T17:00:00.000Z	52 \| moderate	10.38 \| good	16.109 \| good	25.417 \| good	0.415 \| good	13.051 \| good	0.388 \| good
2025-10-26T18:00:00.000Z	54 \| moderate	10.677 \| good	17.137 \| good	29.369 \| good	1.426 \| good	10.01 \| good	0.368 \| good
2025-10-26T19:00:00.000Z	54 \| moderate	11.269 \| good	19.109 \| good	32.372 \| good	2.016 \| good	9.438 \| good	0.343 \| good
2025-10-26T20:00:00.000Z	54 \| moderate	11.264 \| good	20.079 \| good	40.164 \| good	1.275 \| good	9.782 \| good	0.308 \| good
2025-10-26T21:00:00.000Z	54 \| moderate	11.149 \| good	20.991 \| good	46.932 \| good	1.438 \| good	7.572 \| good	0.29 \| good
2025-10-26T22:00:00.000Z	54 \| moderate	10.717 \| good	20.892 \| good	45.923 \| good	1.328 \| good	6.42 \| good	0.273 \| good
2025-10-26T23:00:00.000Z	52 \| moderate	10.006 \| good	19.887 \| good	43.997 \| good	1.059 \| good	4.577 \| good	0.237 \| good
2025-10-27T00:00:00.000Z	44 \| good	8.26 \| good	17.93 \| good	43.922 \| good	0.466 \| good	5.058 \| good	0.237 \| good
2025-10-27T01:00:00.000Z	38 \| good	7.283 \| good	16.921 \| good	40.992 \| good	0.458 \| good	4.611 \| good	0.255 \| good
2025-10-27T02:00:00.000Z	38 \| good	6.99 \| good	16.917 \| good	35.132 \| good	0.417 \| good	6.876 \| good	0.291 \| good
2025-10-27T03:00:00.000Z	38 \| good	6.987 \| good	15.936 \| good	35.13 \| good	0.399 \| good	7.675 \| good	0.271 \| good
2025-10-27T04:00:00.000Z	38 \| good	7.09 \| good	15.932 \| good	33.097 \| good	0.322 \| good	9.039 \| good	0.255 \| good
2025-10-27T05:00:00.000Z	38 \| good	7.497 \| good	15.98 \| good	31.957 \| good	0.396 \| good	7.914 \| good	0.272 \| good
2025-10-27T06:00:00.000Z	44 \| good	8.268 \| good	15.964 \| good	29.012 \| good	0.331 \| good	10.17 \| good	0.294 \| good
2025-10-27T07:00:00.000Z	49 \| good	8.845 \| good	16.916 \| good	25.129 \| good	0.316 \| good	14.118 \| good	0.294 \| good
2025-10-27T08:00:00.000Z	49 \| good	9.035 \| good	16.899 \| good	25.082 \| good	0.305 \| good	15.392 \| good	0.324 \| good
2025-10-27T09:00:00.000Z	49 \| good	9.325 \| good	16.891 \| good	25.035 \| good	0.316 \| good	12.188 \| good	0.312 \| good
2025-10-27T10:00:00.000Z	52 \| moderate	10.1 \| good	17.865 \| good	26.079 \| good	0.29 \| good	15.327 \| good	0.331 \| good
2025-10-27T11:00:00.000Z	54 \| moderate	10.504 \| good	19.809 \| good	26.079 \| good	0.422 \| good	14.036 \| good	0.349 \| good
2025-10-27T12:00:00.000Z	54 \| moderate	11.009 \| good	20.816 \| good	26.079 \| good	0.382 \| good	17.019 \| good	0.35 \| good
2025-10-27T13:00:00.000Z	54 \| moderate	10.843 \| good	19.899 \| good	26.015 \| good	0.396 \| good	13.366 \| good	0.35 \| good
2025-10-27T14:00:00.000Z	54 \| moderate	11.058 \| good	19.933 \| good	22.339 \| good	0.428 \| good	14.366 \| good	0.349 \| good
2025-10-27T15:00:00.000Z	54 \| moderate	11.003 \| good	20.005 \| good	22.346 \| good	0.512 \| good	13.347 \| good	0.367 \| good
2025-10-27T16:00:00.000Z	54 \| moderate	11.025 \| good	21.077 \| good	22.37 \| good	0.491 \| good	15.208 \| good	0.367 \| good
2025-10-27T17:00:00.000Z	56 \| moderate	11.525 \| good	22.065 \| good	24.322 \| good	0.433 \| good	14.852 \| good	0.313 \| good
2025-10-27T18:00:00.000Z	56 \| moderate	12.223 \| fine	23.068 \| good	28.216 \| good	0.857 \| good	17.087 \| good	0.332 \| good
2025-10-27T19:00:00.000Z	56 \| moderate	12.462 \| fine	24.136 \| good	28.245 \| good	0.829 \| good	17.349 \| good	0.306 \| good
2025-10-27T20:00:00.000Z	58 \| moderate	12.732 \| fine	27.081 \| good	37.136 \| good	0.693 \| good	16.614 \| good	0.271 \| good
2025-10-27T21:00:00.000Z	58 \| moderate	12.692 \| fine	28.013 \| good	40.104 \| good	0.71 \| good	14.003 \| good	0.23 \| good
2025-10-27T22:00:00.000Z	56 \| moderate	12.202 \| fine	26.061 \| good	45.022 \| good	0.504 \| good	12.403 \| good	0.229 \| good
2025-10-27T23:00:00.000Z	56 \| moderate	11.517 \| good	25.108 \| good	47.024 \| good	0.41 \| good	10.198 \| good	0.237 \| good
2025-10-28T00:00:00.000Z	54 \| moderate	10.817 \| good	25.001 \| good	47.983 \| good	0.441 \| good	9.799 \| good	0.28 \| good
2025-10-28T01:00:00.000Z	52 \| moderate	10.406 \| good	23.014 \| good	46.991 \| good	0.433 \| good	10.533 \| good	0.297 \| good
2025-10-28T02:00:00.000Z	52 \| moderate	10.495 \| good	23.002 \| good	43.98 \| good	0.382 \| good	13.659 \| good	0.298 \| good
2025-10-28T03:00:00.000Z	58 \| moderate	13.2 \| fine	59.005 \| fine	25.688 \| good	2.22 \| good	21.688 \| good	0.282 \| good
2025-10-28T04:00:00.000Z	54 \| moderate	10.704 \| good	22.026 \| good	36.122 \| good	0.398 \| good	20.899 \| good	0.388 \| good
2025-10-28T05:00:00.000Z	54 \| moderate	11.396 \| good	22.018 \| good	34.121 \| good	0.371 \| good	22.23 \| good	0.393 \| good
2025-10-28T06:00:00.000Z	56 \| moderate	11.884 \| good	22.999 \| good	27.288 \| good	0.391 \| good	23.99 \| good	0.393 \| good
2025-10-28T07:00:00.000Z	56 \| moderate	12.274 \| fine	22.977 \| good	24.277 \| good	0.392 \| good	24.878 \| good	0.393 \| good
2025-10-28T08:00:00.000Z	58 \| moderate	12.867 \| fine	23.934 \| good	20.29 \| good	0.333 \| good	26.101 \| good	0.484 \| good
2025-10-28T09:00:00.000Z	58 \| moderate	13.452 \| fine	23.971 \| good	17.383 \| good	0.425 \| good	22.882 \| good	0.483 \| good
2025-10-28T10:00:00.000Z	60 \| moderate	13.84 \| fine	24.918 \| good	15.447 \| good	0.392 \| good	22.846 \| good	0.486 \| good
2025-10-28T11:00:00.000Z	60 \| moderate	14.22 \| fine	25.885 \| good	15.447 \| good	0.385 \| good	28.57 \| good	0.426 \| good
2025-10-28T12:00:00.000Z	60 \| moderate	14.213 \| fine	24.916 \| good	15.447 \| good	0.418 \| good	28.682 \| good	0.487 \| good
2025-10-28T12:00:00.000Z	60 \| moderate	14.213 \| fine	24.916 \| good	15.447 \| good	0.418 \| good	28.682 \| good	0.487 \| good
2025-10-28T02:00:00.000Z	54 \| moderate	11.091 \| good	49.302 \| good	31.82 \| good	2.178 \| good	20.002 \| good	0.278 \| good
2025-10-28T03:00:00.000Z	60 \| moderate	13.522 \| fine	60.766 \| fine	28.907 \| good	2.207 \| good	25.473 \| good	0.323 \| good
2025-10-28T04:00:00.000Z	60 \| moderate	14.229 \| fine	64.362 \| fine	26.506 \| good	2.046 \| good	25.44 \| good	0.344 \| good
2025-10-28T05:00:00.000Z	60 \| moderate	14.017 \| fine	62.605 \| fine	22.113 \| good	1.886 \| good	25.407 \| good	0.366 \| good
2025-10-28T06:00:00.000Z	58 \| moderate	12.783 \| fine	56.863 \| fine	18.706 \| good	1.725 \| good	25.374 \| good	0.387 \| good
2025-10-28T07:00:00.000Z	62 \| moderate	14.51 \| fine	64.672 \| fine	17.653 \| good	1.555 \| good	23.392 \| good	0.368 \| good
2025-10-28T08:00:00.000Z	56 \| moderate	12.404 \| fine	55.524 \| fine	13.862 \| good	1.385 \| good	21.41 \| good	0.348 \| good
2025-10-28T09:00:00.000Z	54 \| moderate	11.191 \| good	49.231 \| good	15.708 \| good	1.215 \| good	19.429 \| good	0.329 \| good
2025-10-28T10:00:00.000Z	52 \| moderate	9.592 \| good	43.066 \| good	13.315 \| good	1.109 \| good	17.502 \| good	0.302 \| good
2025-10-28T11:00:00.000Z	52 \| moderate	10.003 \| good	44.807 \| good	8.781 \| good	1.003 \| good	15.575 \| good	0.275 \| good
2025-10-28T12:00:00.000Z	49 \| good	9.499 \| good	42.365 \| good	10.362 \| good	0.896 \| good	13.648 \| good	0.247 \| good
2025-10-28T13:00:00.000Z	44 \| good	7.63 \| good	33.661 \| good	8.44 \| good	0.921 \| good	13.169 \| good	0.259 \| good
2025-10-28T14:00:00.000Z	38 \| good	6.749 \| good	30.295 \| good	7.914 \| good	0.947 \| good	12.689 \| good	0.271 \| good
2025-10-28T15:00:00.000Z	52 \| moderate	9.7 \| good	43.489 \| good	9.48 \| good	0.972 \| good	12.21 \| good	0.282 \| good
2025-10-28T16:00:00.000Z	52 \| moderate	10.221 \| good	45.536 \| good	12.772 \| good	1.137 \| good	11.44 \| good	0.263 \| good
2025-10-28T17:00:00.000Z	54 \| moderate	11.197 \| good	49.755 \| good	20.235 \| good	1.301 \| good	10.671 \| good	0.244 \| good
2025-10-28T18:00:00.000Z	54 \| moderate	11.142 \| good	49.565 \| good	28.179 \| good	1.466 \| good	9.901 \| good	0.225 \| good
2025-10-28T19:00:00.000Z	56 \| moderate	12.042 \| good	54.297 \| good	38.054 \| good	1.602 \| good	9.429 \| good	0.219 \| good
2025-10-28T20:00:00.000Z	60 \| moderate	14.417 \| fine	64.841 \| fine	51.383 \| good	1.739 \| good	8.958 \| good	0.212 \| good
2025-10-28T21:00:00.000Z	67 \| moderate	14.471 \| fine	64.645 \| fine	60.075 \| fine	1.875 \| good	8.486 \| good	0.206 \| good
2025-10-28T22:00:00.000Z	66 \| moderate	16.533 \| fine	73.04 \| fine	59.075 \| fine	2.007 \| good	9.063 \| good	0.21 \| good
2025-10-28T23:00:00.000Z	71 \| moderate	18.03 \| fine	79.713 \| fine	60.799 \| fine	2.139 \| good	9.639 \| good	0.213 \| good
2025-10-29T00:00:00.000Z	75 \| moderate	21.904 \| fine	96.031 \| fine	60.354 \| fine	2.271 \| good	10.216 \| good	0.217 \| good
2025-10-29T01:00:00.000Z	82 \| moderate	26.174 \| fine	114.203 \| fine	54.294 \| good	2.447 \| good	17.407 \| good	0.284 \| good
2025-10-29T02:00:00.000Z	82 \| moderate	26.16 \| fine	114.036 \| fine	43.549 \| good	2.624 \| good	24.598 \| good	0.352 \| good
2025-10-29T03:00:00.000Z	75 \| moderate	21.767 \| fine	96.178 \| fine	34.143 \| good	2.8 \| good	31.789 \| good	0.419 \| good
2025-10-29T04:00:00.000Z	71 \| moderate	20.198 \| fine	88.962 \| fine	27.273 \| good	2.515 \| good	30.193 \| good	0.412 \| good
2025-10-29T05:00:00.000Z	71 \| moderate	20.191 \| fine	88.412 \| fine	20.267 \| good	2.23 \| good	28.597 \| good	0.404 \| good
2025-10-29T06:00:00.000Z	64 \| moderate	16.357 \| fine	72.09 \| fine	15.879 \| good	1.944 \| good	27.001 \| good	0.397 \| good
2025-10-29T07:00:00.000Z	52 \| moderate	10.295 \| good	46.034 \| good	11.973 \| good	1.627 \| good	23.649 \| good	0.362 \| good
2025-10-29T08:00:00.000Z	49 \| good	9.386 \| good	42.269 \| good	10.816 \| good	1.31 \| good	20.298 \| good	0.327 \| good
2025-10-29T09:00:00.000Z	38 \| good	6.835 \| good	30.151 \| good	10.241 \| good	0.993 \| good	16.946 \| good	0.292 \| good
2025-10-29T10:00:00.000Z	22 \| good	4.361 \| good	18.824 \| good	12.169 \| good	0.838 \| good	14.649 \| good	0.266 \| good
2025-10-29T11:00:00.000Z	22 \| good	3.688 \| good	16.151 \| good	10.641 \| good	0.682 \| good	12.351 \| good	0.241 \| good
2025-10-29T12:00:00.000Z	16 \| good	2.712 \| good	10.831 \| good	13.981 \| good	0.527 \| good	10.053 \| good	0.215 \| good
2025-10-29T13:00:00.000Z	11 \| good	2.354 \| good	9.669 \| good	10.895 \| good	0.535 \| good	9.969 \| good	0.235 \| good
2025-10-29T14:00:00.000Z	11 \| good	1.334 \| good	5.583 \| good	12.465 \| good	0.543 \| good	9.886 \| good	0.256 \| good
2025-10-29T15:00:00.000Z	22 \| good	4.111 \| good	18.036 \| good	12.454 \| good	0.55 \| good	9.802 \| good	0.276 \| good
2025-10-29T16:00:00.000Z	27 \| good	4.592 \| good	19.774 \| good	17.408 \| good	0.773 \| good	9.793 \| good	0.268 \| good
2025-10-29T17:00:00.000Z	27 \| good	4.447 \| good	18.98 \| good	28.676 \| good	0.997 \| good	9.784 \| good	0.26 \| good
2025-10-29T18:00:00.000Z	34 \| good	5.255 \| good	23.094 \| good	37.032 \| good	1.22 \| good	9.774 \| good	0.252 \| good
2025-10-29T19:00:00.000Z	40 \| good	5.66 \| good	24.381 \| good	43.443 \| good	1.312 \| good	9.335 \| good	0.233 \| good
2025-10-29T20:00:00.000Z	45 \| good	8.226 \| good	36.372 \| good	49.033 \| good	1.404 \| good	8.895 \| good	0.215 \| good
2025-10-29T21:00:00.000Z	52 \| moderate	9.988 \| good	44.478 \| good	54.675 \| good	1.496 \| good	8.455 \| good	0.196 \| good
2025-10-29T22:00:00.000Z	51 \| moderate	8.987 \| good	39.312 \| good	55.268 \| fine	1.67 \| good	9.821 \| good	0.201 \| good
2025-10-29T23:00:00.000Z	54 \| moderate	8.779 \| good	38.659 \| good	55.527 \| fine	1.844 \| good	11.187 \| good	0.205 \| good
2025-10-30T00:00:00.000Z	56 \| moderate	11.54 \| good	13.795 \| good	42.747 \| good	2.067 \| good	12.956 \| good	0.213 \| good
2025-10-30T01:00:00.000Z	90 \| moderate	29.97 \| fine	129.797 \| fine	44.93 \| good	2.278 \| good	19.037 \| good	0.281 \| good

El Cajon

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near El Cajon, California

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The air quality data for California, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

Source: Ambee Data Sources

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Frequently asked questions

How frequently does the air quality data for El Cajon, California get updated?

Air quality updates for El Cajon, California are available every hour.

What time in the past 24 hours saw the poorest air quality in El Cajon, California?

El Cajon, California experienced its worst air quality at 09:00:00, 2025-10-27.

When was air quality in El Cajon, California the best over the past 24 hours?

The best air quality in El Cajon, California was observed at 05:00:00 on 2025-10-27.

What is the air quality in El Cajon, California right now?

The air quality in El Cajon, California right now is Moderate, with an AQI of 54.

What pollutant is most frequently found in El Cajon, California?

In El Cajon, California, PM2.5 is the most frequently found pollutant.

What can I do if the air quality in El Cajon, California is poor?

When air quality in El Cajon, California is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in El Cajon, California right now?

El Cajon, California currently has a PM_2.5 concentration of 10.817 μg/m³.

What is the current level of PM₁₀ in El Cajon, California?

El Cajon, California currently has a PM₁₀ concentration of 25.001 μg/m³.

What is the current level of carbon monoxide (CO) in El Cajon, California?

The current carbon monoxide (CO) level in El Cajon, California is 0.28 ppm.

What is the current level of sulfur dioxide (SO₂) in El Cajon, California?

The current sulfur dioxide (SO₂) concentration in El Cajon, California is 0.441 ppb.

What is the current level of ozone (O₃) in El Cajon, California?

El Cajon, California currently has an ozone (O₃) concentration of 47.983 ppm.

What is the current level of nitrogen dioxide (NO₂) in El Cajon, California?

The current level of nitrogen dioxide (NO₂) in El Cajon, California is 9.799 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-26T13:00:00.000Z	54 \| moderate	10.666 \| good	16.002 \| good	16.592 \| good	0.298 \| good	12.662 \| good	0.447 \| good
2025-10-26T14:00:00.000Z	54 \| moderate	10.556 \| good	15.014 \| good	17.576 \| good	0.325 \| good	12.296 \| good	0.429 \| good
2025-10-26T15:00:00.000Z	52 \| moderate	10.266 \| good	15.999 \| good	19.525 \| good	0.394 \| good	12.791 \| good	0.414 \| good
2025-10-26T16:00:00.000Z	52 \| moderate	10.084 \| good	15.084 \| good	19.562 \| good	0.403 \| good	13.127 \| good	0.432 \| good
2025-10-26T17:00:00.000Z	52 \| moderate	10.38 \| good	16.109 \| good	25.417 \| good	0.415 \| good	13.051 \| good	0.388 \| good
2025-10-26T18:00:00.000Z	54 \| moderate	10.677 \| good	17.137 \| good	29.369 \| good	1.426 \| good	10.01 \| good	0.368 \| good
2025-10-26T19:00:00.000Z	54 \| moderate	11.269 \| good	19.109 \| good	32.372 \| good	2.016 \| good	9.438 \| good	0.343 \| good
2025-10-26T20:00:00.000Z	54 \| moderate	11.264 \| good	20.079 \| good	40.164 \| good	1.275 \| good	9.782 \| good	0.308 \| good
2025-10-26T21:00:00.000Z	54 \| moderate	11.149 \| good	20.991 \| good	46.932 \| good	1.438 \| good	7.572 \| good	0.29 \| good
2025-10-26T22:00:00.000Z	54 \| moderate	10.717 \| good	20.892 \| good	45.923 \| good	1.328 \| good	6.42 \| good	0.273 \| good
2025-10-26T23:00:00.000Z	52 \| moderate	10.006 \| good	19.887 \| good	43.997 \| good	1.059 \| good	4.577 \| good	0.237 \| good
2025-10-27T00:00:00.000Z	44 \| good	8.26 \| good	17.93 \| good	43.922 \| good	0.466 \| good	5.058 \| good	0.237 \| good
2025-10-27T01:00:00.000Z	38 \| good	7.283 \| good	16.921 \| good	40.992 \| good	0.458 \| good	4.611 \| good	0.255 \| good
2025-10-27T02:00:00.000Z	38 \| good	6.99 \| good	16.917 \| good	35.132 \| good	0.417 \| good	6.876 \| good	0.291 \| good
2025-10-27T03:00:00.000Z	38 \| good	6.987 \| good	15.936 \| good	35.13 \| good	0.399 \| good	7.675 \| good	0.271 \| good
2025-10-27T04:00:00.000Z	38 \| good	7.09 \| good	15.932 \| good	33.097 \| good	0.322 \| good	9.039 \| good	0.255 \| good
2025-10-27T05:00:00.000Z	38 \| good	7.497 \| good	15.98 \| good	31.957 \| good	0.396 \| good	7.914 \| good	0.272 \| good
2025-10-27T06:00:00.000Z	44 \| good	8.268 \| good	15.964 \| good	29.012 \| good	0.331 \| good	10.17 \| good	0.294 \| good
2025-10-27T07:00:00.000Z	49 \| good	8.845 \| good	16.916 \| good	25.129 \| good	0.316 \| good	14.118 \| good	0.294 \| good
2025-10-27T08:00:00.000Z	49 \| good	9.035 \| good	16.899 \| good	25.082 \| good	0.305 \| good	15.392 \| good	0.324 \| good
2025-10-27T09:00:00.000Z	49 \| good	9.325 \| good	16.891 \| good	25.035 \| good	0.316 \| good	12.188 \| good	0.312 \| good
2025-10-27T10:00:00.000Z	52 \| moderate	10.1 \| good	17.865 \| good	26.079 \| good	0.29 \| good	15.327 \| good	0.331 \| good
2025-10-27T11:00:00.000Z	54 \| moderate	10.504 \| good	19.809 \| good	26.079 \| good	0.422 \| good	14.036 \| good	0.349 \| good
2025-10-27T12:00:00.000Z	54 \| moderate	11.009 \| good	20.816 \| good	26.079 \| good	0.382 \| good	17.019 \| good	0.35 \| good
2025-10-27T13:00:00.000Z	54 \| moderate	10.843 \| good	19.899 \| good	26.015 \| good	0.396 \| good	13.366 \| good	0.35 \| good
2025-10-27T14:00:00.000Z	54 \| moderate	11.058 \| good	19.933 \| good	22.339 \| good	0.428 \| good	14.366 \| good	0.349 \| good
2025-10-27T15:00:00.000Z	54 \| moderate	11.003 \| good	20.005 \| good	22.346 \| good	0.512 \| good	13.347 \| good	0.367 \| good
2025-10-27T16:00:00.000Z	54 \| moderate	11.025 \| good	21.077 \| good	22.37 \| good	0.491 \| good	15.208 \| good	0.367 \| good
2025-10-27T17:00:00.000Z	56 \| moderate	11.525 \| good	22.065 \| good	24.322 \| good	0.433 \| good	14.852 \| good	0.313 \| good
2025-10-27T18:00:00.000Z	56 \| moderate	12.223 \| fine	23.068 \| good	28.216 \| good	0.857 \| good	17.087 \| good	0.332 \| good
2025-10-27T19:00:00.000Z	56 \| moderate	12.462 \| fine	24.136 \| good	28.245 \| good	0.829 \| good	17.349 \| good	0.306 \| good
2025-10-27T20:00:00.000Z	58 \| moderate	12.732 \| fine	27.081 \| good	37.136 \| good	0.693 \| good	16.614 \| good	0.271 \| good
2025-10-27T21:00:00.000Z	58 \| moderate	12.692 \| fine	28.013 \| good	40.104 \| good	0.71 \| good	14.003 \| good	0.23 \| good
2025-10-27T22:00:00.000Z	56 \| moderate	12.202 \| fine	26.061 \| good	45.022 \| good	0.504 \| good	12.403 \| good	0.229 \| good
2025-10-27T23:00:00.000Z	56 \| moderate	11.517 \| good	25.108 \| good	47.024 \| good	0.41 \| good	10.198 \| good	0.237 \| good
2025-10-28T00:00:00.000Z	54 \| moderate	10.817 \| good	25.001 \| good	47.983 \| good	0.441 \| good	9.799 \| good	0.28 \| good
2025-10-28T01:00:00.000Z	52 \| moderate	10.406 \| good	23.014 \| good	46.991 \| good	0.433 \| good	10.533 \| good	0.297 \| good
2025-10-28T02:00:00.000Z	52 \| moderate	10.495 \| good	23.002 \| good	43.98 \| good	0.382 \| good	13.659 \| good	0.298 \| good
2025-10-28T03:00:00.000Z	58 \| moderate	13.2 \| fine	59.005 \| fine	25.688 \| good	2.22 \| good	21.688 \| good	0.282 \| good
2025-10-28T04:00:00.000Z	54 \| moderate	10.704 \| good	22.026 \| good	36.122 \| good	0.398 \| good	20.899 \| good	0.388 \| good
2025-10-28T05:00:00.000Z	54 \| moderate	11.396 \| good	22.018 \| good	34.121 \| good	0.371 \| good	22.23 \| good	0.393 \| good
2025-10-28T06:00:00.000Z	56 \| moderate	11.884 \| good	22.999 \| good	27.288 \| good	0.391 \| good	23.99 \| good	0.393 \| good
2025-10-28T07:00:00.000Z	56 \| moderate	12.274 \| fine	22.977 \| good	24.277 \| good	0.392 \| good	24.878 \| good	0.393 \| good
2025-10-28T08:00:00.000Z	58 \| moderate	12.867 \| fine	23.934 \| good	20.29 \| good	0.333 \| good	26.101 \| good	0.484 \| good
2025-10-28T09:00:00.000Z	58 \| moderate	13.452 \| fine	23.971 \| good	17.383 \| good	0.425 \| good	22.882 \| good	0.483 \| good
2025-10-28T10:00:00.000Z	60 \| moderate	13.84 \| fine	24.918 \| good	15.447 \| good	0.392 \| good	22.846 \| good	0.486 \| good
2025-10-28T11:00:00.000Z	60 \| moderate	14.22 \| fine	25.885 \| good	15.447 \| good	0.385 \| good	28.57 \| good	0.426 \| good
2025-10-28T12:00:00.000Z	60 \| moderate	14.213 \| fine	24.916 \| good	15.447 \| good	0.418 \| good	28.682 \| good	0.487 \| good
2025-10-28T12:00:00.000Z	60 \| moderate	14.213 \| fine	24.916 \| good	15.447 \| good	0.418 \| good	28.682 \| good	0.487 \| good
2025-10-28T02:00:00.000Z	54 \| moderate	11.091 \| good	49.302 \| good	31.82 \| good	2.178 \| good	20.002 \| good	0.278 \| good
2025-10-28T03:00:00.000Z	60 \| moderate	13.522 \| fine	60.766 \| fine	28.907 \| good	2.207 \| good	25.473 \| good	0.323 \| good
2025-10-28T04:00:00.000Z	60 \| moderate	14.229 \| fine	64.362 \| fine	26.506 \| good	2.046 \| good	25.44 \| good	0.344 \| good
2025-10-28T05:00:00.000Z	60 \| moderate	14.017 \| fine	62.605 \| fine	22.113 \| good	1.886 \| good	25.407 \| good	0.366 \| good
2025-10-28T06:00:00.000Z	58 \| moderate	12.783 \| fine	56.863 \| fine	18.706 \| good	1.725 \| good	25.374 \| good	0.387 \| good
2025-10-28T07:00:00.000Z	62 \| moderate	14.51 \| fine	64.672 \| fine	17.653 \| good	1.555 \| good	23.392 \| good	0.368 \| good
2025-10-28T08:00:00.000Z	56 \| moderate	12.404 \| fine	55.524 \| fine	13.862 \| good	1.385 \| good	21.41 \| good	0.348 \| good
2025-10-28T09:00:00.000Z	54 \| moderate	11.191 \| good	49.231 \| good	15.708 \| good	1.215 \| good	19.429 \| good	0.329 \| good
2025-10-28T10:00:00.000Z	52 \| moderate	9.592 \| good	43.066 \| good	13.315 \| good	1.109 \| good	17.502 \| good	0.302 \| good
2025-10-28T11:00:00.000Z	52 \| moderate	10.003 \| good	44.807 \| good	8.781 \| good	1.003 \| good	15.575 \| good	0.275 \| good
2025-10-28T12:00:00.000Z	49 \| good	9.499 \| good	42.365 \| good	10.362 \| good	0.896 \| good	13.648 \| good	0.247 \| good
2025-10-28T13:00:00.000Z	44 \| good	7.63 \| good	33.661 \| good	8.44 \| good	0.921 \| good	13.169 \| good	0.259 \| good
2025-10-28T14:00:00.000Z	38 \| good	6.749 \| good	30.295 \| good	7.914 \| good	0.947 \| good	12.689 \| good	0.271 \| good
2025-10-28T15:00:00.000Z	52 \| moderate	9.7 \| good	43.489 \| good	9.48 \| good	0.972 \| good	12.21 \| good	0.282 \| good
2025-10-28T16:00:00.000Z	52 \| moderate	10.221 \| good	45.536 \| good	12.772 \| good	1.137 \| good	11.44 \| good	0.263 \| good
2025-10-28T17:00:00.000Z	54 \| moderate	11.197 \| good	49.755 \| good	20.235 \| good	1.301 \| good	10.671 \| good	0.244 \| good
2025-10-28T18:00:00.000Z	54 \| moderate	11.142 \| good	49.565 \| good	28.179 \| good	1.466 \| good	9.901 \| good	0.225 \| good
2025-10-28T19:00:00.000Z	56 \| moderate	12.042 \| good	54.297 \| good	38.054 \| good	1.602 \| good	9.429 \| good	0.219 \| good
2025-10-28T20:00:00.000Z	60 \| moderate	14.417 \| fine	64.841 \| fine	51.383 \| good	1.739 \| good	8.958 \| good	0.212 \| good
2025-10-28T21:00:00.000Z	67 \| moderate	14.471 \| fine	64.645 \| fine	60.075 \| fine	1.875 \| good	8.486 \| good	0.206 \| good
2025-10-28T22:00:00.000Z	66 \| moderate	16.533 \| fine	73.04 \| fine	59.075 \| fine	2.007 \| good	9.063 \| good	0.21 \| good
2025-10-28T23:00:00.000Z	71 \| moderate	18.03 \| fine	79.713 \| fine	60.799 \| fine	2.139 \| good	9.639 \| good	0.213 \| good
2025-10-29T00:00:00.000Z	75 \| moderate	21.904 \| fine	96.031 \| fine	60.354 \| fine	2.271 \| good	10.216 \| good	0.217 \| good
2025-10-29T01:00:00.000Z	82 \| moderate	26.174 \| fine	114.203 \| fine	54.294 \| good	2.447 \| good	17.407 \| good	0.284 \| good
2025-10-29T02:00:00.000Z	82 \| moderate	26.16 \| fine	114.036 \| fine	43.549 \| good	2.624 \| good	24.598 \| good	0.352 \| good
2025-10-29T03:00:00.000Z	75 \| moderate	21.767 \| fine	96.178 \| fine	34.143 \| good	2.8 \| good	31.789 \| good	0.419 \| good
2025-10-29T04:00:00.000Z	71 \| moderate	20.198 \| fine	88.962 \| fine	27.273 \| good	2.515 \| good	30.193 \| good	0.412 \| good
2025-10-29T05:00:00.000Z	71 \| moderate	20.191 \| fine	88.412 \| fine	20.267 \| good	2.23 \| good	28.597 \| good	0.404 \| good
2025-10-29T06:00:00.000Z	64 \| moderate	16.357 \| fine	72.09 \| fine	15.879 \| good	1.944 \| good	27.001 \| good	0.397 \| good
2025-10-29T07:00:00.000Z	52 \| moderate	10.295 \| good	46.034 \| good	11.973 \| good	1.627 \| good	23.649 \| good	0.362 \| good
2025-10-29T08:00:00.000Z	49 \| good	9.386 \| good	42.269 \| good	10.816 \| good	1.31 \| good	20.298 \| good	0.327 \| good
2025-10-29T09:00:00.000Z	38 \| good	6.835 \| good	30.151 \| good	10.241 \| good	0.993 \| good	16.946 \| good	0.292 \| good
2025-10-29T10:00:00.000Z	22 \| good	4.361 \| good	18.824 \| good	12.169 \| good	0.838 \| good	14.649 \| good	0.266 \| good
2025-10-29T11:00:00.000Z	22 \| good	3.688 \| good	16.151 \| good	10.641 \| good	0.682 \| good	12.351 \| good	0.241 \| good
2025-10-29T12:00:00.000Z	16 \| good	2.712 \| good	10.831 \| good	13.981 \| good	0.527 \| good	10.053 \| good	0.215 \| good
2025-10-29T13:00:00.000Z	11 \| good	2.354 \| good	9.669 \| good	10.895 \| good	0.535 \| good	9.969 \| good	0.235 \| good
2025-10-29T14:00:00.000Z	11 \| good	1.334 \| good	5.583 \| good	12.465 \| good	0.543 \| good	9.886 \| good	0.256 \| good
2025-10-29T15:00:00.000Z	22 \| good	4.111 \| good	18.036 \| good	12.454 \| good	0.55 \| good	9.802 \| good	0.276 \| good
2025-10-29T16:00:00.000Z	27 \| good	4.592 \| good	19.774 \| good	17.408 \| good	0.773 \| good	9.793 \| good	0.268 \| good
2025-10-29T17:00:00.000Z	27 \| good	4.447 \| good	18.98 \| good	28.676 \| good	0.997 \| good	9.784 \| good	0.26 \| good
2025-10-29T18:00:00.000Z	34 \| good	5.255 \| good	23.094 \| good	37.032 \| good	1.22 \| good	9.774 \| good	0.252 \| good
2025-10-29T19:00:00.000Z	40 \| good	5.66 \| good	24.381 \| good	43.443 \| good	1.312 \| good	9.335 \| good	0.233 \| good
2025-10-29T20:00:00.000Z	45 \| good	8.226 \| good	36.372 \| good	49.033 \| good	1.404 \| good	8.895 \| good	0.215 \| good
2025-10-29T21:00:00.000Z	52 \| moderate	9.988 \| good	44.478 \| good	54.675 \| good	1.496 \| good	8.455 \| good	0.196 \| good
2025-10-29T22:00:00.000Z	51 \| moderate	8.987 \| good	39.312 \| good	55.268 \| fine	1.67 \| good	9.821 \| good	0.201 \| good
2025-10-29T23:00:00.000Z	54 \| moderate	8.779 \| good	38.659 \| good	55.527 \| fine	1.844 \| good	11.187 \| good	0.205 \| good
2025-10-30T00:00:00.000Z	56 \| moderate	11.54 \| good	13.795 \| good	42.747 \| good	2.067 \| good	12.956 \| good	0.213 \| good
2025-10-30T01:00:00.000Z	90 \| moderate	29.97 \| fine	129.797 \| fine	44.93 \| good	2.278 \| good	19.037 \| good	0.281 \| good

Current air quality index in El Cajon, California today

Common air pollutants in El Cajon, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Real-time air quality map: Monitor AQI near El Cajon, California

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Frequently asked questions

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What is the current level of PM10 in El Cajon, California?

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What is the current level of sulfur dioxide (SO2) in El Cajon, California?

What is the current level of ozone (O3) in El Cajon, California?

What is the current level of nitrogen dioxide (NO2) in El Cajon, California?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 concentration in El Cajon, California right now?

What is the current level of PM₁₀ in El Cajon, California?

What is the current level of sulfur dioxide (SO₂) in El Cajon, California?

What is the current level of ozone (O₃) in El Cajon, California?

What is the current level of nitrogen dioxide (NO₂) in El Cajon, California?