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

El Cajon, California currently has a PM10 concentration of 23.136 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 0.403 ppb.

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

El Cajon, California currently has an ozone (O3) concentration of 33.937 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 20.637 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 10.059 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)

10.06 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

23.14 μg/m³

155

255

425

605+

Ozone (O₃)

33.94 ppb

201

201+

Sulfur Dioxide (SO₂)

0.40 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

20.64 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 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
2025-12-14T01:00:00.000Z	66 \| moderate	17.219 \| fine	33.215 \| good	37.233 \| good	0.286 \| good	23.961 \| good	0.474 \| good
2025-12-14T02:00:00.000Z	69 \| moderate	19.265 \| fine	34.594 \| good	34.002 \| good	0.401 \| good	22.72 \| good	0.601 \| good
2025-12-14T03:00:00.000Z	77 \| moderate	22.688 \| fine	39.38 \| good	31.12 \| good	0.429 \| good	14.041 \| good	0.748 \| good
2025-12-14T04:00:00.000Z	84 \| moderate	27.405 \| fine	45.528 \| good	28.746 \| good	0.568 \| good	13.541 \| good	0.729 \| good
2025-12-14T05:00:00.000Z	94 \| moderate	32.05 \| fine	53.611 \| good	30.906 \| good	0.377 \| good	13.843 \| good	0.735 \| good
2025-12-14T06:00:00.000Z	92 \| moderate	30.784 \| fine	51.02 \| good	27.158 \| good	0.613 \| good	14.444 \| good	0.782 \| good
2025-12-14T07:00:00.000Z	92 \| moderate	30.784 \| fine	51.02 \| good	27.058 \| good	0.634 \| good	16.565 \| good	0.782 \| good
2025-12-14T08:00:00.000Z	88 \| moderate	29.375 \| fine	47.028 \| good	22.023 \| good	0.797 \| good	18.523 \| good	0.9 \| good
2025-12-14T09:00:00.000Z	88 \| moderate	28.535 \| fine	44.778 \| good	20.301 \| good	0.665 \| good	17.671 \| good	0.879 \| good
2025-12-14T10:00:00.000Z	75 \| moderate	21.793 \| fine	34.447 \| good	20.253 \| good	0.678 \| good	18.564 \| good	0.848 \| good
2025-12-14T11:00:00.000Z	64 \| moderate	16.429 \| fine	25.717 \| good	20.353 \| good	0.665 \| good	16.671 \| good	0.848 \| good
2025-12-14T12:00:00.000Z	58 \| moderate	13.271 \| fine	20.846 \| good	18.814 \| good	0.629 \| good	15.165 \| good	0.848 \| good
2025-12-14T13:00:00.000Z	58 \| moderate	13.271 \| fine	20.846 \| good	19.021 \| good	0.694 \| good	14.231 \| good	0.981 \| good
2025-12-14T14:00:00.000Z	54 \| moderate	10.839 \| good	16.223 \| good	18.354 \| good	0.566 \| good	10.811 \| good	0.806 \| good
2025-12-14T15:00:00.000Z	52 \| moderate	9.968 \| good	14.475 \| good	16.428 \| good	0.558 \| good	13.735 \| good	0.808 \| good
2025-12-14T16:00:00.000Z	49 \| good	9.018 \| good	12.915 \| good	17.1 \| good	0.675 \| good	12.408 \| good	0.793 \| good
2025-12-14T17:00:00.000Z	52 \| moderate	9.506 \| good	13.697 \| good	17.319 \| good	0.698 \| good	12.753 \| good	0.73 \| good
2025-12-14T18:00:00.000Z	54 \| moderate	10.696 \| good	15.312 \| good	20.081 \| good	0.503 \| good	14.142 \| good	0.584 \| good
2025-12-14T19:00:00.000Z	54 \| moderate	10.891 \| good	15.843 \| good	24.59 \| good	0.31 \| good	12.169 \| good	0.532 \| good
2025-12-14T20:00:00.000Z	54 \| moderate	11.086 \| good	16.806 \| good	30.879 \| good	0.418 \| good	12.491 \| good	0.402 \| good
2025-12-14T21:00:00.000Z	58 \| moderate	12.735 \| fine	21.068 \| good	33.82 \| good	0.417 \| good	17.72 \| good	0.405 \| good
2025-12-14T22:00:00.000Z	60 \| moderate	13.732 \| fine	23.898 \| good	37.968 \| good	0.352 \| good	14.38 \| good	0.374 \| good
2025-12-14T23:00:00.000Z	60 \| moderate	13.764 \| fine	23.786 \| good	39.655 \| good	0.287 \| good	12.065 \| good	0.337 \| good
2025-12-15T00:00:00.000Z	60 \| moderate	14.442 \| fine	24.872 \| good	41.327 \| good	0.245 \| good	13.831 \| good	0.402 \| good
2025-12-15T01:00:00.000Z	62 \| moderate	14.736 \| fine	24.916 \| good	37.167 \| good	0.298 \| good	16.886 \| good	0.443 \| good
2025-12-15T02:00:00.000Z	64 \| moderate	15.571 \| fine	25.574 \| good	30.651 \| good	0.349 \| good	11.152 \| good	0.532 \| good
2025-12-15T03:00:00.000Z	66 \| moderate	17.312 \| fine	28.124 \| good	28.361 \| good	0.406 \| good	16.597 \| good	0.619 \| good
2025-12-15T04:00:00.000Z	71 \| moderate	20.134 \| fine	31.625 \| good	26.745 \| good	0.442 \| good	21.44 \| good	0.769 \| good
2025-12-15T05:00:00.000Z	75 \| moderate	21.942 \| fine	34.375 \| good	28.004 \| good	0.4 \| good	23.086 \| good	0.736 \| good
2025-12-15T06:00:00.000Z	81 \| moderate	24.872 \| fine	37.43 \| good	25.704 \| good	0.592 \| good	21.312 \| good	0.73 \| good
2025-12-15T07:00:00.000Z	81 \| moderate	24.524 \| fine	36.37 \| good	26.133 \| good	0.593 \| good	22.946 \| good	0.73 \| good
2025-12-15T08:00:00.000Z	79 \| moderate	23.541 \| fine	34.324 \| good	23.006 \| good	0.713 \| good	20.38 \| good	0.765 \| good
2025-12-15T09:00:00.000Z	75 \| moderate	21.877 \| fine	32.469 \| good	23.988 \| good	0.635 \| good	18.057 \| good	0.756 \| good
2025-12-15T10:00:00.000Z	66 \| moderate	17.142 \| fine	25.289 \| good	25.191 \| good	0.568 \| good	17.472 \| good	0.786 \| good
2025-12-15T11:00:00.000Z	58 \| moderate	12.839 \| fine	19.639 \| good	25.175 \| good	0.657 \| good	16.97 \| good	0.676 \| good
2025-12-15T12:00:00.000Z	54 \| moderate	10.797 \| good	16.153 \| good	25.304 \| good	0.513 \| good	15.996 \| good	0.667 \| good
2025-12-15T13:00:00.000Z	54 \| moderate	10.797 \| good	16.153 \| good	25.019 \| good	0.513 \| good	15.146 \| good	0.667 \| good
2025-12-15T14:00:00.000Z	44 \| good	8.468 \| good	12.306 \| good	16.557 \| good	0.596 \| good	18.942 \| good	0.741 \| good
2025-12-15T15:00:00.000Z	44 \| good	8.054 \| good	11.336 \| good	14.678 \| good	0.634 \| good	19.729 \| good	0.805 \| good
2025-12-15T16:00:00.000Z	44 \| good	7.543 \| good	10.542 \| good	13.887 \| good	0.914 \| good	19.352 \| good	0.936 \| good
2025-12-15T17:00:00.000Z	44 \| good	7.685 \| good	12.293 \| good	14.305 \| good	1.013 \| good	20.309 \| good	0.808 \| good
2025-12-15T18:00:00.000Z	44 \| good	8.208 \| good	15.347 \| good	18.118 \| good	0.714 \| good	18.395 \| good	0.593 \| good
2025-12-15T19:00:00.000Z	44 \| good	8.124 \| good	15.878 \| good	22.905 \| good	0.639 \| good	19.428 \| good	0.433 \| good
2025-12-15T20:00:00.000Z	49 \| good	8.604 \| good	18.286 \| good	23.317 \| good	0.545 \| good	23.636 \| good	0.377 \| good
2025-12-15T21:00:00.000Z	49 \| good	8.97 \| good	19.263 \| good	24.165 \| good	0.447 \| good	27.816 \| good	0.333 \| good
2025-12-15T22:00:00.000Z	52 \| moderate	9.519 \| good	20.31 \| good	34.43 \| good	0.396 \| good	24.507 \| good	0.276 \| good
2025-12-15T23:00:00.000Z	52 \| moderate	10.025 \| good	22.683 \| good	34.525 \| good	0.405 \| good	20.367 \| good	0.25 \| good
2025-12-16T00:00:00.000Z	52 \| moderate	10.155 \| good	24.487 \| good	32.291 \| good	0.365 \| good	12.137 \| good	0.268 \| good
2025-12-16T00:00:00.000Z	52 \| moderate	10.059 \| good	23.136 \| good	33.937 \| good	0.403 \| good	20.637 \| good	0.238 \| good
2025-12-16T01:00:00.000Z	38 \| good	6.646 \| good	29.585 \| good	29.362 \| good	2.808 \| good	20.997 \| good	0.276 \| good
2025-12-16T02:00:00.000Z	54 \| moderate	10.795 \| good	48.281 \| good	19.513 \| good	2.819 \| good	25.798 \| good	0.324 \| good
2025-12-16T03:00:00.000Z	52 \| moderate	10.143 \| good	45.101 \| good	17.92 \| good	2.83 \| good	30.598 \| good	0.371 \| good
2025-12-16T04:00:00.000Z	49 \| good	8.664 \| good	38.163 \| good	18.888 \| good	2.461 \| good	28.854 \| good	0.368 \| good
2025-12-16T05:00:00.000Z	33 \| good	6.264 \| good	27.059 \| good	16.124 \| good	2.092 \| good	27.11 \| good	0.365 \| good
2025-12-16T06:00:00.000Z	27 \| good	5.106 \| good	21.993 \| good	15.009 \| good	1.724 \| good	25.365 \| good	0.362 \| good
2025-12-16T07:00:00.000Z	22 \| good	3.943 \| good	17.369 \| good	14.73 \| good	1.389 \| good	22.439 \| good	0.333 \| good
2025-12-16T08:00:00.000Z	19 \| good	2.062 \| good	8.515 \| good	14.838 \| good	1.055 \| good	19.514 \| good	0.303 \| good
2025-12-16T09:00:00.000Z	16 \| good	0.868 \| good	3.127 \| good	15.522 \| good	0.72 \| good	16.588 \| good	0.274 \| good
2025-12-16T10:00:00.000Z	24 \| good	0.647 \| good	2.513 \| good	25.669 \| good	0.671 \| good	14.688 \| good	0.246 \| good
2025-12-16T11:00:00.000Z	22 \| good	0.627 \| good	2.363 \| good	24.337 \| good	0.623 \| good	12.787 \| good	0.217 \| good
2025-12-16T12:00:00.000Z	22 \| good	0.303 \| good	1.324 \| good	24.063 \| good	0.574 \| good	10.887 \| good	0.189 \| good
2025-12-16T13:00:00.000Z	16 \| good	1.247 \| good	4.938 \| good	17.44 \| good	0.609 \| good	11.156 \| good	0.196 \| good
2025-12-16T14:00:00.000Z	17 \| good	3.222 \| good	13.95 \| good	17.946 \| good	0.643 \| good	11.426 \| good	0.203 \| good
2025-12-16T15:00:00.000Z	22 \| good	4.246 \| good	18.348 \| good	20.566 \| good	0.678 \| good	11.696 \| good	0.209 \| good
2025-12-16T16:00:00.000Z	22 \| good	4.314 \| good	18.785 \| good	21.489 \| good	0.809 \| good	10.646 \| good	0.211 \| good
2025-12-16T17:00:00.000Z	22 \| good	3.676 \| good	16.231 \| good	24.024 \| good	0.939 \| good	9.597 \| good	0.213 \| good
2025-12-16T18:00:00.000Z	28 \| good	2.536 \| good	10.47 \| good	30.211 \| good	1.069 \| good	8.547 \| good	0.214 \| good
2025-12-16T19:00:00.000Z	34 \| good	0.814 \| good	3.388 \| good	37.329 \| good	1.462 \| good	9.914 \| good	0.215 \| good
2025-12-16T20:00:00.000Z	40 \| good	1.549 \| good	6.417 \| good	42.58 \| good	1.854 \| good	11.28 \| good	0.216 \| good
2025-12-16T21:00:00.000Z	40 \| good	2.253 \| good	9.359 \| good	42.844 \| good	2.247 \| good	12.647 \| good	0.217 \| good
2025-12-16T22:00:00.000Z	41 \| good	3.318 \| good	13.88 \| good	43.65 \| good	2.636 \| good	16.294 \| good	0.235 \| good
2025-12-16T23:00:00.000Z	39 \| good	2.483 \| good	10.2 \| good	41.84 \| good	3.024 \| good	19.941 \| good	0.254 \| good
2025-12-17T00:00:00.000Z	33 \| good	4.467 \| good	19.077 \| good	36.316 \| good	3.413 \| good	23.588 \| good	0.273 \| good
2025-12-17T01:00:00.000Z	38 \| good	6.691 \| good	29.203 \| good	25.098 \| good	3.544 \| good	28.251 \| good	0.341 \| good
2025-12-17T02:00:00.000Z	44 \| good	8.489 \| good	37.549 \| good	20.967 \| good	3.675 \| good	32.914 \| good	0.409 \| good
2025-12-17T03:00:00.000Z	36 \| good	6.433 \| good	28.121 \| good	22.013 \| good	3.806 \| good	37.576 \| good	0.477 \| good
2025-12-17T04:00:00.000Z	34 \| good	5.396 \| good	23.604 \| good	22.217 \| good	3.602 \| good	36.221 \| good	0.471 \| good
2025-12-17T05:00:00.000Z	33 \| good	3.952 \| good	17.301 \| good	22.614 \| good	3.398 \| good	34.866 \| good	0.465 \| good
2025-12-17T06:00:00.000Z	33 \| good	6.108 \| good	26.461 \| good	21.74 \| good	3.195 \| good	33.51 \| good	0.46 \| good
2025-12-17T07:00:00.000Z	38 \| good	7.363 \| good	32.658 \| good	22.114 \| good	2.784 \| good	30.971 \| good	0.424 \| good
2025-12-17T08:00:00.000Z	38 \| good	7.185 \| good	32.015 \| good	20.914 \| good	2.374 \| good	28.432 \| good	0.389 \| good
2025-12-17T09:00:00.000Z	27 \| good	4.693 \| good	20.333 \| good	20.448 \| good	1.964 \| good	25.893 \| good	0.353 \| good
2025-12-17T10:00:00.000Z	28 \| good	5.311 \| good	23.256 \| good	30.441 \| good	1.767 \| good	23.528 \| good	0.321 \| good
2025-12-17T11:00:00.000Z	38 \| good	7.023 \| good	31.347 \| good	28.866 \| good	1.571 \| good	21.163 \| good	0.289 \| good
2025-12-17T12:00:00.000Z	38 \| good	7.376 \| good	32.59 \| good	27.663 \| good	1.375 \| good	18.798 \| good	0.257 \| good
2025-12-17T13:00:00.000Z	38 \| good	6.599 \| good	28.87 \| good	22.548 \| good	1.395 \| good	18.13 \| good	0.257 \| good
2025-12-17T14:00:00.000Z	33 \| good	5.935 \| good	26.201 \| good	22.478 \| good	1.415 \| good	17.462 \| good	0.258 \| good
2025-12-17T15:00:00.000Z	44 \| good	7.741 \| good	34.124 \| good	22.084 \| good	1.436 \| good	16.794 \| good	0.258 \| good
2025-12-17T16:00:00.000Z	54 \| moderate	10.886 \| good	48.913 \| good	21.022 \| good	2.242 \| good	16.648 \| good	0.272 \| good
2025-12-17T17:00:00.000Z	38 \| good	7.481 \| good	32.937 \| good	24.348 \| good	3.047 \| good	16.501 \| good	0.287 \| good
2025-12-17T18:00:00.000Z	31 \| good	2.963 \| good	12.684 \| good	33.827 \| good	3.853 \| good	16.355 \| good	0.301 \| good
2025-12-17T19:00:00.000Z	40 \| good	6.419 \| good	28.693 \| good	42.529 \| good	4.154 \| good	17.777 \| good	0.302 \| good
2025-12-17T20:00:00.000Z	40 \| good	3.75 \| good	16.088 \| good	42.89 \| good	4.455 \| good	19.198 \| good	0.304 \| good
2025-12-17T21:00:00.000Z	41 \| good	6.429 \| good	28.438 \| good	43.852 \| good	4.755 \| good	20.62 \| good	0.305 \| good
2025-12-17T22:00:00.000Z	44 \| good	8.474 \| good	37.201 \| good	45.954 \| good	4.859 \| good	23.502 \| good	0.307 \| good
2025-12-17T23:00:00.000Z	58 \| moderate	12.823 \| fine	57 \| fine	46.453 \| good	4.962 \| good	26.384 \| good	0.31 \| good
2025-12-18T00:00:00.000Z	66 \| moderate	17.106 \| fine	18.044 \| good	19.318 \| good	5.055 \| good	29.195 \| good	0.312 \| good

El Cajon

Empower business decisions with accurate air quality data

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

0.31ppm

How accurate is California, USA air quality data?

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 07:00:00, 2025-12-15.

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 07:00:00 on 2025-12-15.

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 52.

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 10.059 μg/m³.

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

El Cajon, California currently has a PM₁₀ concentration of 23.136 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 0.238 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 0.403 ppb.

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

El Cajon, California currently has an ozone (O₃) concentration of 33.937 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 20.637 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-14T01:00:00.000Z	66 \| moderate	17.219 \| fine	33.215 \| good	37.233 \| good	0.286 \| good	23.961 \| good	0.474 \| good
2025-12-14T02:00:00.000Z	69 \| moderate	19.265 \| fine	34.594 \| good	34.002 \| good	0.401 \| good	22.72 \| good	0.601 \| good
2025-12-14T03:00:00.000Z	77 \| moderate	22.688 \| fine	39.38 \| good	31.12 \| good	0.429 \| good	14.041 \| good	0.748 \| good
2025-12-14T04:00:00.000Z	84 \| moderate	27.405 \| fine	45.528 \| good	28.746 \| good	0.568 \| good	13.541 \| good	0.729 \| good
2025-12-14T05:00:00.000Z	94 \| moderate	32.05 \| fine	53.611 \| good	30.906 \| good	0.377 \| good	13.843 \| good	0.735 \| good
2025-12-14T06:00:00.000Z	92 \| moderate	30.784 \| fine	51.02 \| good	27.158 \| good	0.613 \| good	14.444 \| good	0.782 \| good
2025-12-14T07:00:00.000Z	92 \| moderate	30.784 \| fine	51.02 \| good	27.058 \| good	0.634 \| good	16.565 \| good	0.782 \| good
2025-12-14T08:00:00.000Z	88 \| moderate	29.375 \| fine	47.028 \| good	22.023 \| good	0.797 \| good	18.523 \| good	0.9 \| good
2025-12-14T09:00:00.000Z	88 \| moderate	28.535 \| fine	44.778 \| good	20.301 \| good	0.665 \| good	17.671 \| good	0.879 \| good
2025-12-14T10:00:00.000Z	75 \| moderate	21.793 \| fine	34.447 \| good	20.253 \| good	0.678 \| good	18.564 \| good	0.848 \| good
2025-12-14T11:00:00.000Z	64 \| moderate	16.429 \| fine	25.717 \| good	20.353 \| good	0.665 \| good	16.671 \| good	0.848 \| good
2025-12-14T12:00:00.000Z	58 \| moderate	13.271 \| fine	20.846 \| good	18.814 \| good	0.629 \| good	15.165 \| good	0.848 \| good
2025-12-14T13:00:00.000Z	58 \| moderate	13.271 \| fine	20.846 \| good	19.021 \| good	0.694 \| good	14.231 \| good	0.981 \| good
2025-12-14T14:00:00.000Z	54 \| moderate	10.839 \| good	16.223 \| good	18.354 \| good	0.566 \| good	10.811 \| good	0.806 \| good
2025-12-14T15:00:00.000Z	52 \| moderate	9.968 \| good	14.475 \| good	16.428 \| good	0.558 \| good	13.735 \| good	0.808 \| good
2025-12-14T16:00:00.000Z	49 \| good	9.018 \| good	12.915 \| good	17.1 \| good	0.675 \| good	12.408 \| good	0.793 \| good
2025-12-14T17:00:00.000Z	52 \| moderate	9.506 \| good	13.697 \| good	17.319 \| good	0.698 \| good	12.753 \| good	0.73 \| good
2025-12-14T18:00:00.000Z	54 \| moderate	10.696 \| good	15.312 \| good	20.081 \| good	0.503 \| good	14.142 \| good	0.584 \| good
2025-12-14T19:00:00.000Z	54 \| moderate	10.891 \| good	15.843 \| good	24.59 \| good	0.31 \| good	12.169 \| good	0.532 \| good
2025-12-14T20:00:00.000Z	54 \| moderate	11.086 \| good	16.806 \| good	30.879 \| good	0.418 \| good	12.491 \| good	0.402 \| good
2025-12-14T21:00:00.000Z	58 \| moderate	12.735 \| fine	21.068 \| good	33.82 \| good	0.417 \| good	17.72 \| good	0.405 \| good
2025-12-14T22:00:00.000Z	60 \| moderate	13.732 \| fine	23.898 \| good	37.968 \| good	0.352 \| good	14.38 \| good	0.374 \| good
2025-12-14T23:00:00.000Z	60 \| moderate	13.764 \| fine	23.786 \| good	39.655 \| good	0.287 \| good	12.065 \| good	0.337 \| good
2025-12-15T00:00:00.000Z	60 \| moderate	14.442 \| fine	24.872 \| good	41.327 \| good	0.245 \| good	13.831 \| good	0.402 \| good
2025-12-15T01:00:00.000Z	62 \| moderate	14.736 \| fine	24.916 \| good	37.167 \| good	0.298 \| good	16.886 \| good	0.443 \| good
2025-12-15T02:00:00.000Z	64 \| moderate	15.571 \| fine	25.574 \| good	30.651 \| good	0.349 \| good	11.152 \| good	0.532 \| good
2025-12-15T03:00:00.000Z	66 \| moderate	17.312 \| fine	28.124 \| good	28.361 \| good	0.406 \| good	16.597 \| good	0.619 \| good
2025-12-15T04:00:00.000Z	71 \| moderate	20.134 \| fine	31.625 \| good	26.745 \| good	0.442 \| good	21.44 \| good	0.769 \| good
2025-12-15T05:00:00.000Z	75 \| moderate	21.942 \| fine	34.375 \| good	28.004 \| good	0.4 \| good	23.086 \| good	0.736 \| good
2025-12-15T06:00:00.000Z	81 \| moderate	24.872 \| fine	37.43 \| good	25.704 \| good	0.592 \| good	21.312 \| good	0.73 \| good
2025-12-15T07:00:00.000Z	81 \| moderate	24.524 \| fine	36.37 \| good	26.133 \| good	0.593 \| good	22.946 \| good	0.73 \| good
2025-12-15T08:00:00.000Z	79 \| moderate	23.541 \| fine	34.324 \| good	23.006 \| good	0.713 \| good	20.38 \| good	0.765 \| good
2025-12-15T09:00:00.000Z	75 \| moderate	21.877 \| fine	32.469 \| good	23.988 \| good	0.635 \| good	18.057 \| good	0.756 \| good
2025-12-15T10:00:00.000Z	66 \| moderate	17.142 \| fine	25.289 \| good	25.191 \| good	0.568 \| good	17.472 \| good	0.786 \| good
2025-12-15T11:00:00.000Z	58 \| moderate	12.839 \| fine	19.639 \| good	25.175 \| good	0.657 \| good	16.97 \| good	0.676 \| good
2025-12-15T12:00:00.000Z	54 \| moderate	10.797 \| good	16.153 \| good	25.304 \| good	0.513 \| good	15.996 \| good	0.667 \| good
2025-12-15T13:00:00.000Z	54 \| moderate	10.797 \| good	16.153 \| good	25.019 \| good	0.513 \| good	15.146 \| good	0.667 \| good
2025-12-15T14:00:00.000Z	44 \| good	8.468 \| good	12.306 \| good	16.557 \| good	0.596 \| good	18.942 \| good	0.741 \| good
2025-12-15T15:00:00.000Z	44 \| good	8.054 \| good	11.336 \| good	14.678 \| good	0.634 \| good	19.729 \| good	0.805 \| good
2025-12-15T16:00:00.000Z	44 \| good	7.543 \| good	10.542 \| good	13.887 \| good	0.914 \| good	19.352 \| good	0.936 \| good
2025-12-15T17:00:00.000Z	44 \| good	7.685 \| good	12.293 \| good	14.305 \| good	1.013 \| good	20.309 \| good	0.808 \| good
2025-12-15T18:00:00.000Z	44 \| good	8.208 \| good	15.347 \| good	18.118 \| good	0.714 \| good	18.395 \| good	0.593 \| good
2025-12-15T19:00:00.000Z	44 \| good	8.124 \| good	15.878 \| good	22.905 \| good	0.639 \| good	19.428 \| good	0.433 \| good
2025-12-15T20:00:00.000Z	49 \| good	8.604 \| good	18.286 \| good	23.317 \| good	0.545 \| good	23.636 \| good	0.377 \| good
2025-12-15T21:00:00.000Z	49 \| good	8.97 \| good	19.263 \| good	24.165 \| good	0.447 \| good	27.816 \| good	0.333 \| good
2025-12-15T22:00:00.000Z	52 \| moderate	9.519 \| good	20.31 \| good	34.43 \| good	0.396 \| good	24.507 \| good	0.276 \| good
2025-12-15T23:00:00.000Z	52 \| moderate	10.025 \| good	22.683 \| good	34.525 \| good	0.405 \| good	20.367 \| good	0.25 \| good
2025-12-16T00:00:00.000Z	52 \| moderate	10.155 \| good	24.487 \| good	32.291 \| good	0.365 \| good	12.137 \| good	0.268 \| good
2025-12-16T00:00:00.000Z	52 \| moderate	10.059 \| good	23.136 \| good	33.937 \| good	0.403 \| good	20.637 \| good	0.238 \| good
2025-12-16T01:00:00.000Z	38 \| good	6.646 \| good	29.585 \| good	29.362 \| good	2.808 \| good	20.997 \| good	0.276 \| good
2025-12-16T02:00:00.000Z	54 \| moderate	10.795 \| good	48.281 \| good	19.513 \| good	2.819 \| good	25.798 \| good	0.324 \| good
2025-12-16T03:00:00.000Z	52 \| moderate	10.143 \| good	45.101 \| good	17.92 \| good	2.83 \| good	30.598 \| good	0.371 \| good
2025-12-16T04:00:00.000Z	49 \| good	8.664 \| good	38.163 \| good	18.888 \| good	2.461 \| good	28.854 \| good	0.368 \| good
2025-12-16T05:00:00.000Z	33 \| good	6.264 \| good	27.059 \| good	16.124 \| good	2.092 \| good	27.11 \| good	0.365 \| good
2025-12-16T06:00:00.000Z	27 \| good	5.106 \| good	21.993 \| good	15.009 \| good	1.724 \| good	25.365 \| good	0.362 \| good
2025-12-16T07:00:00.000Z	22 \| good	3.943 \| good	17.369 \| good	14.73 \| good	1.389 \| good	22.439 \| good	0.333 \| good
2025-12-16T08:00:00.000Z	19 \| good	2.062 \| good	8.515 \| good	14.838 \| good	1.055 \| good	19.514 \| good	0.303 \| good
2025-12-16T09:00:00.000Z	16 \| good	0.868 \| good	3.127 \| good	15.522 \| good	0.72 \| good	16.588 \| good	0.274 \| good
2025-12-16T10:00:00.000Z	24 \| good	0.647 \| good	2.513 \| good	25.669 \| good	0.671 \| good	14.688 \| good	0.246 \| good
2025-12-16T11:00:00.000Z	22 \| good	0.627 \| good	2.363 \| good	24.337 \| good	0.623 \| good	12.787 \| good	0.217 \| good
2025-12-16T12:00:00.000Z	22 \| good	0.303 \| good	1.324 \| good	24.063 \| good	0.574 \| good	10.887 \| good	0.189 \| good
2025-12-16T13:00:00.000Z	16 \| good	1.247 \| good	4.938 \| good	17.44 \| good	0.609 \| good	11.156 \| good	0.196 \| good
2025-12-16T14:00:00.000Z	17 \| good	3.222 \| good	13.95 \| good	17.946 \| good	0.643 \| good	11.426 \| good	0.203 \| good
2025-12-16T15:00:00.000Z	22 \| good	4.246 \| good	18.348 \| good	20.566 \| good	0.678 \| good	11.696 \| good	0.209 \| good
2025-12-16T16:00:00.000Z	22 \| good	4.314 \| good	18.785 \| good	21.489 \| good	0.809 \| good	10.646 \| good	0.211 \| good
2025-12-16T17:00:00.000Z	22 \| good	3.676 \| good	16.231 \| good	24.024 \| good	0.939 \| good	9.597 \| good	0.213 \| good
2025-12-16T18:00:00.000Z	28 \| good	2.536 \| good	10.47 \| good	30.211 \| good	1.069 \| good	8.547 \| good	0.214 \| good
2025-12-16T19:00:00.000Z	34 \| good	0.814 \| good	3.388 \| good	37.329 \| good	1.462 \| good	9.914 \| good	0.215 \| good
2025-12-16T20:00:00.000Z	40 \| good	1.549 \| good	6.417 \| good	42.58 \| good	1.854 \| good	11.28 \| good	0.216 \| good
2025-12-16T21:00:00.000Z	40 \| good	2.253 \| good	9.359 \| good	42.844 \| good	2.247 \| good	12.647 \| good	0.217 \| good
2025-12-16T22:00:00.000Z	41 \| good	3.318 \| good	13.88 \| good	43.65 \| good	2.636 \| good	16.294 \| good	0.235 \| good
2025-12-16T23:00:00.000Z	39 \| good	2.483 \| good	10.2 \| good	41.84 \| good	3.024 \| good	19.941 \| good	0.254 \| good
2025-12-17T00:00:00.000Z	33 \| good	4.467 \| good	19.077 \| good	36.316 \| good	3.413 \| good	23.588 \| good	0.273 \| good
2025-12-17T01:00:00.000Z	38 \| good	6.691 \| good	29.203 \| good	25.098 \| good	3.544 \| good	28.251 \| good	0.341 \| good
2025-12-17T02:00:00.000Z	44 \| good	8.489 \| good	37.549 \| good	20.967 \| good	3.675 \| good	32.914 \| good	0.409 \| good
2025-12-17T03:00:00.000Z	36 \| good	6.433 \| good	28.121 \| good	22.013 \| good	3.806 \| good	37.576 \| good	0.477 \| good
2025-12-17T04:00:00.000Z	34 \| good	5.396 \| good	23.604 \| good	22.217 \| good	3.602 \| good	36.221 \| good	0.471 \| good
2025-12-17T05:00:00.000Z	33 \| good	3.952 \| good	17.301 \| good	22.614 \| good	3.398 \| good	34.866 \| good	0.465 \| good
2025-12-17T06:00:00.000Z	33 \| good	6.108 \| good	26.461 \| good	21.74 \| good	3.195 \| good	33.51 \| good	0.46 \| good
2025-12-17T07:00:00.000Z	38 \| good	7.363 \| good	32.658 \| good	22.114 \| good	2.784 \| good	30.971 \| good	0.424 \| good
2025-12-17T08:00:00.000Z	38 \| good	7.185 \| good	32.015 \| good	20.914 \| good	2.374 \| good	28.432 \| good	0.389 \| good
2025-12-17T09:00:00.000Z	27 \| good	4.693 \| good	20.333 \| good	20.448 \| good	1.964 \| good	25.893 \| good	0.353 \| good
2025-12-17T10:00:00.000Z	28 \| good	5.311 \| good	23.256 \| good	30.441 \| good	1.767 \| good	23.528 \| good	0.321 \| good
2025-12-17T11:00:00.000Z	38 \| good	7.023 \| good	31.347 \| good	28.866 \| good	1.571 \| good	21.163 \| good	0.289 \| good
2025-12-17T12:00:00.000Z	38 \| good	7.376 \| good	32.59 \| good	27.663 \| good	1.375 \| good	18.798 \| good	0.257 \| good
2025-12-17T13:00:00.000Z	38 \| good	6.599 \| good	28.87 \| good	22.548 \| good	1.395 \| good	18.13 \| good	0.257 \| good
2025-12-17T14:00:00.000Z	33 \| good	5.935 \| good	26.201 \| good	22.478 \| good	1.415 \| good	17.462 \| good	0.258 \| good
2025-12-17T15:00:00.000Z	44 \| good	7.741 \| good	34.124 \| good	22.084 \| good	1.436 \| good	16.794 \| good	0.258 \| good
2025-12-17T16:00:00.000Z	54 \| moderate	10.886 \| good	48.913 \| good	21.022 \| good	2.242 \| good	16.648 \| good	0.272 \| good
2025-12-17T17:00:00.000Z	38 \| good	7.481 \| good	32.937 \| good	24.348 \| good	3.047 \| good	16.501 \| good	0.287 \| good
2025-12-17T18:00:00.000Z	31 \| good	2.963 \| good	12.684 \| good	33.827 \| good	3.853 \| good	16.355 \| good	0.301 \| good
2025-12-17T19:00:00.000Z	40 \| good	6.419 \| good	28.693 \| good	42.529 \| good	4.154 \| good	17.777 \| good	0.302 \| good
2025-12-17T20:00:00.000Z	40 \| good	3.75 \| good	16.088 \| good	42.89 \| good	4.455 \| good	19.198 \| good	0.304 \| good
2025-12-17T21:00:00.000Z	41 \| good	6.429 \| good	28.438 \| good	43.852 \| good	4.755 \| good	20.62 \| good	0.305 \| good
2025-12-17T22:00:00.000Z	44 \| good	8.474 \| good	37.201 \| good	45.954 \| good	4.859 \| good	23.502 \| good	0.307 \| good
2025-12-17T23:00:00.000Z	58 \| moderate	12.823 \| fine	57 \| fine	46.453 \| good	4.962 \| good	26.384 \| good	0.31 \| good
2025-12-18T00:00:00.000Z	66 \| moderate	17.106 \| fine	18.044 \| good	19.318 \| good	5.055 \| good	29.195 \| good	0.312 \| 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 sulfur dioxide (SO2) in El Cajon, California?

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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?