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

El Cajon, California currently has a PM10 concentration of 12.073 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 0.32 ppb.

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

El Cajon, California currently has an ozone (O3) concentration of 35.891 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 4.11 ppb.

Current air quality index in El Cajon, California today

Name: Live air pollution levels in El Cajon, California today
Creator: Ambee

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)

Good

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)

4.56 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

11.94 μg/m³

155

255

425

605+

Ozone (O₃)

28.08 ppb

201

201+

Sulfur Dioxide (SO₂)

0.49 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.84 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.16 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
2025-07-25T04:00:00.000Z	22 \| good	3.831 \| good	12.262 \| good	22.87 \| good	0.411 \| good	5.335 \| good	0.174 \| good
2025-07-25T05:00:00.000Z	22 \| good	3.866 \| good	11.22 \| good	21.342 \| good	0.414 \| good	6.656 \| good	0.162 \| good
2025-07-25T06:00:00.000Z	22 \| good	3.955 \| good	11.253 \| good	20.298 \| good	0.29 \| good	7.217 \| good	0.167 \| good
2025-07-25T07:00:00.000Z	22 \| good	3.988 \| good	10.483 \| good	20.393 \| good	0.372 \| good	6.944 \| good	0.174 \| good
2025-07-25T08:00:00.000Z	22 \| good	3.998 \| good	10.203 \| good	20.99 \| good	0.416 \| good	6.27 \| good	0.174 \| good
2025-07-25T09:00:00.000Z	22 \| good	4.087 \| good	11.018 \| good	20.755 \| good	0.299 \| good	6.72 \| good	0.156 \| good
2025-07-25T10:00:00.000Z	22 \| good	4.343 \| good	11.101 \| good	20.809 \| good	0.32 \| good	7.201 \| good	0.18 \| good
2025-07-25T11:00:00.000Z	27 \| good	4.626 \| good	11.438 \| good	21.019 \| good	0.27 \| good	6.975 \| good	0.164 \| good
2025-07-25T12:00:00.000Z	27 \| good	4.598 \| good	11.356 \| good	20.626 \| good	0.207 \| good	9.65 \| good	0.176 \| good
2025-07-25T13:00:00.000Z	27 \| good	4.655 \| good	11.604 \| good	20.761 \| good	0.275 \| good	12.634 \| good	0.266 \| good
2025-07-25T14:00:00.000Z	27 \| good	4.867 \| good	13.309 \| good	20.891 \| good	0.376 \| good	10.133 \| good	0.254 \| good
2025-07-25T15:00:00.000Z	27 \| good	5.047 \| good	15.063 \| good	21.795 \| good	0.343 \| good	8.824 \| good	0.197 \| good
2025-07-25T16:00:00.000Z	27 \| good	4.911 \| good	14.355 \| good	22.094 \| good	0.329 \| good	7.717 \| good	0.192 \| good
2025-07-25T17:00:00.000Z	27 \| good	5.026 \| good	15.269 \| good	23.873 \| good	0.402 \| good	5.494 \| good	0.166 \| good
2025-07-25T18:00:00.000Z	27 \| good	5.084 \| good	15.218 \| good	26.308 \| good	0.369 \| good	4.572 \| good	0.13 \| good
2025-07-25T19:00:00.000Z	31 \| good	4.854 \| good	15.389 \| good	34.452 \| good	0.304 \| good	4.645 \| good	0.138 \| good
2025-07-25T20:00:00.000Z	34 \| good	4.829 \| good	15.324 \| good	36.898 \| good	0.28 \| good	3.878 \| good	0.138 \| good
2025-07-25T21:00:00.000Z	32 \| good	4.602 \| good	16.251 \| good	34.88 \| good	0.214 \| good	3.406 \| good	0.156 \| good
2025-07-25T22:00:00.000Z	31 \| good	4.386 \| good	15.855 \| good	33.282 \| good	0.235 \| good	3.314 \| good	0.132 \| good
2025-07-25T23:00:00.000Z	31 \| good	4.225 \| good	15.754 \| good	32.716 \| good	0.257 \| good	3.882 \| good	0.117 \| good
2025-07-26T00:00:00.000Z	29 \| good	4.116 \| good	15.357 \| good	31.354 \| good	0.324 \| good	2.852 \| good	0.117 \| good
2025-07-26T01:00:00.000Z	27 \| good	3.941 \| good	14.288 \| good	29.151 \| good	0.379 \| good	3.247 \| good	0.117 \| good
2025-07-26T02:00:00.000Z	25 \| good	3.845 \| good	13.795 \| good	26.938 \| good	0.358 \| good	3.475 \| good	0.138 \| good
2025-07-26T03:00:00.000Z	24 \| good	3.78 \| good	12.679 \| good	25.579 \| good	0.437 \| good	5.237 \| good	0.132 \| good
2025-07-26T04:00:00.000Z	22 \| good	3.702 \| good	11.402 \| good	23.853 \| good	0.338 \| good	4.842 \| good	0.162 \| good
2025-07-26T05:00:00.000Z	22 \| good	3.703 \| good	10.683 \| good	23.926 \| good	0.306 \| good	4.607 \| good	0.141 \| good
2025-07-26T06:00:00.000Z	22 \| good	3.77 \| good	10.623 \| good	23.198 \| good	0.289 \| good	4.754 \| good	0.141 \| good
2025-07-26T07:00:00.000Z	22 \| good	3.858 \| good	10.319 \| good	22.995 \| good	0.375 \| good	4.24 \| good	0.128 \| good
2025-07-26T08:00:00.000Z	22 \| good	3.879 \| good	10.531 \| good	23.475 \| good	0.221 \| good	4.142 \| good	0.123 \| good
2025-07-26T09:00:00.000Z	22 \| good	3.872 \| good	9.844 \| good	24.146 \| good	0.274 \| good	4.026 \| good	0.117 \| good
2025-07-26T10:00:00.000Z	22 \| good	3.815 \| good	9.927 \| good	24.434 \| good	0.32 \| good	5.6 \| good	0.13 \| good
2025-07-26T11:00:00.000Z	22 \| good	3.85 \| good	9.927 \| good	24.357 \| good	0.244 \| good	5.851 \| good	0.13 \| good
2025-07-26T12:00:00.000Z	23 \| good	3.875 \| good	9.811 \| good	24.668 \| good	0.186 \| good	5.764 \| good	0.148 \| good
2025-07-26T13:00:00.000Z	22 \| good	4.267 \| good	11.257 \| good	24.267 \| good	0.198 \| good	6.985 \| good	0.18 \| good
2025-07-26T14:00:00.000Z	27 \| good	4.714 \| good	14.987 \| good	24.23 \| good	0.268 \| good	6.758 \| good	0.159 \| good
2025-07-26T15:00:00.000Z	27 \| good	4.557 \| good	14.554 \| good	24.591 \| good	0.195 \| good	6.69 \| good	0.192 \| good
2025-07-26T16:00:00.000Z	24 \| good	4.231 \| good	12.187 \| good	25.781 \| good	0.158 \| good	6.372 \| good	0.168 \| good
2025-07-26T17:00:00.000Z	26 \| good	4.201 \| good	11.377 \| good	28.18 \| good	0.209 \| good	6.31 \| good	0.168 \| good
2025-07-26T18:00:00.000Z	29 \| good	4.134 \| good	11.715 \| good	31.162 \| good	0.199 \| good	6.698 \| good	0.13 \| good
2025-07-26T19:00:00.000Z	31 \| good	4.116 \| good	12.199 \| good	34.174 \| good	0.215 \| good	5.264 \| good	0.156 \| good
2025-07-26T20:00:00.000Z	33 \| good	4.066 \| good	12.149 \| good	36.137 \| good	0.257 \| good	4.4 \| good	0.156 \| good
2025-07-26T21:00:00.000Z	31 \| good	3.972 \| good	12.984 \| good	33.533 \| good	0.314 \| good	4.652 \| good	0.15 \| good
2025-07-26T22:00:00.000Z	30 \| good	3.82 \| good	12.981 \| good	32.376 \| good	0.3 \| good	3.639 \| good	0.15 \| good
2025-07-26T23:00:00.000Z	30 \| good	3.644 \| good	12.714 \| good	32.246 \| good	0.338 \| good	3.419 \| good	0.132 \| good
2025-07-27T00:00:00.000Z	30 \| good	3.562 \| good	11.714 \| good	32.192 \| good	0.527 \| good	3.657 \| good	0.156 \| good
2025-07-27T01:00:00.000Z	30 \| good	3.462 \| good	11.367 \| good	31.645 \| good	0.588 \| good	4.183 \| good	0.141 \| good
2025-07-27T02:00:00.000Z	29 \| good	3.468 \| good	10.578 \| good	30.882 \| good	0.574 \| good	4.636 \| good	0.154 \| good
2025-07-27T03:00:00.000Z	26 \| good	4.176 \| good	11.588 \| good	28.267 \| good	0.49 \| good	5.727 \| good	0.18 \| good
2025-07-27T03:00:00.000Z	27 \| good	4.56 \| good	11.939 \| good	28.076 \| good	0.489 \| good	4.842 \| good	0.159 \| good
2025-07-26T22:00:00.000Z	38 \| good	4.978 \| good	21.15 \| good	40.687 \| good	0.552 \| good	1.571 \| good	0.121 \| good
2025-07-26T23:00:00.000Z	35 \| good	4.343 \| good	19.027 \| good	37.916 \| good	0.544 \| good	1.545 \| good	0.12 \| good
2025-07-27T00:00:00.000Z	31 \| good	3.276 \| good	14.325 \| good	34.308 \| good	0.537 \| good	1.52 \| good	0.118 \| good
2025-07-27T01:00:00.000Z	31 \| good	3.94 \| good	17.128 \| good	33.302 \| good	0.584 \| good	2.38 \| good	0.122 \| good
2025-07-27T02:00:00.000Z	30 \| good	4.4 \| good	19.024 \| good	32.071 \| good	0.631 \| good	3.24 \| good	0.126 \| good
2025-07-27T03:00:00.000Z	29 \| good	4.429 \| good	19.024 \| good	31.255 \| good	0.678 \| good	4.1 \| good	0.129 \| good
2025-07-27T04:00:00.000Z	28 \| good	4.447 \| good	19.112 \| good	29.514 \| good	0.743 \| good	4.887 \| good	0.133 \| good
2025-07-27T05:00:00.000Z	26 \| good	4.285 \| good	19.033 \| good	27.958 \| good	0.808 \| good	5.674 \| good	0.137 \| good
2025-07-27T06:00:00.000Z	27 \| good	4.651 \| good	20.083 \| good	27.673 \| good	0.873 \| good	6.461 \| good	0.141 \| good
2025-07-27T07:00:00.000Z	27 \| good	4.71 \| good	20.835 \| good	27.841 \| good	0.853 \| good	6.972 \| good	0.146 \| good
2025-07-27T08:00:00.000Z	27 \| good	4.869 \| good	21.022 \| good	26.608 \| good	0.832 \| good	7.482 \| good	0.152 \| good
2025-07-27T09:00:00.000Z	27 \| good	4.911 \| good	21.047 \| good	24.435 \| good	0.812 \| good	7.992 \| good	0.157 \| good
2025-07-27T10:00:00.000Z	27 \| good	5.313 \| good	22.874 \| good	16.36 \| good	0.739 \| good	8.227 \| good	0.16 \| good
2025-07-27T11:00:00.000Z	27 \| good	5.25 \| good	22.748 \| good	15.468 \| good	0.665 \| good	8.463 \| good	0.163 \| good
2025-07-27T12:00:00.000Z	33 \| good	5.788 \| good	24.899 \| good	27.117 \| good	0.592 \| good	8.698 \| good	0.165 \| good
2025-07-27T13:00:00.000Z	27 \| good	5.426 \| good	23.076 \| good	25.298 \| good	0.745 \| good	7.408 \| good	0.159 \| good
2025-07-27T14:00:00.000Z	33 \| good	5.556 \| good	24.001 \| good	25.097 \| good	0.898 \| good	6.117 \| good	0.153 \| good
2025-07-27T15:00:00.000Z	33 \| good	6.33 \| good	28.156 \| good	28.31 \| good	1.052 \| good	4.827 \| good	0.147 \| good
2025-07-27T16:00:00.000Z	44 \| good	8.09 \| good	35.673 \| good	33.401 \| good	0.998 \| good	4.207 \| good	0.142 \| good
2025-07-27T17:00:00.000Z	38 \| good	7.18 \| good	31.795 \| good	37.713 \| good	0.945 \| good	3.586 \| good	0.137 \| good
2025-07-27T18:00:00.000Z	40 \| good	5.54 \| good	24.137 \| good	43.301 \| good	0.891 \| good	2.966 \| good	0.132 \| good
2025-07-27T19:00:00.000Z	42 \| good	6.279 \| good	28.078 \| good	44.795 \| good	0.869 \| good	2.601 \| good	0.129 \| good
2025-07-27T20:00:00.000Z	43 \| good	5.921 \| good	25.287 \| good	45.517 \| good	0.848 \| good	2.236 \| good	0.127 \| good
2025-07-27T21:00:00.000Z	42 \| good	5.467 \| good	23.323 \| good	44.851 \| good	0.826 \| good	1.871 \| good	0.124 \| good
2025-07-27T22:00:00.000Z	40 \| good	4.803 \| good	20.978 \| good	43.13 \| good	0.769 \| good	1.787 \| good	0.121 \| good
2025-07-27T23:00:00.000Z	37 \| good	4.34 \| good	19.094 \| good	39.852 \| good	0.712 \| good	1.703 \| good	0.118 \| good
2025-07-28T00:00:00.000Z	34 \| good	3.341 \| good	14.358 \| good	36.869 \| good	0.656 \| good	1.619 \| good	0.114 \| good
2025-07-28T01:00:00.000Z	32 \| good	3.789 \| good	16.27 \| good	35.485 \| good	0.683 \| good	2.535 \| good	0.117 \| good
2025-07-28T02:00:00.000Z	31 \| good	3.732 \| good	16.189 \| good	32.538 \| good	0.71 \| good	3.452 \| good	0.119 \| good
2025-07-28T03:00:00.000Z	28 \| good	4.462 \| good	19.122 \| good	30.001 \| good	0.737 \| good	4.368 \| good	0.121 \| good
2025-07-28T04:00:00.000Z	27 \| good	4.06 \| good	18.057 \| good	29.088 \| good	0.805 \| good	5.811 \| good	0.129 \| good
2025-07-28T05:00:00.000Z	27 \| good	4.043 \| good	18.037 \| good	29.242 \| good	0.873 \| good	7.253 \| good	0.136 \| good
2025-07-28T06:00:00.000Z	25 \| good	4.454 \| good	19.138 \| good	27.363 \| good	0.941 \| good	8.695 \| good	0.144 \| good
2025-07-28T07:00:00.000Z	27 \| good	4.983 \| good	21.159 \| good	27.572 \| good	0.874 \| good	9.579 \| good	0.157 \| good
2025-07-28T08:00:00.000Z	33 \| good	5.585 \| good	23.945 \| good	27.129 \| good	0.807 \| good	10.463 \| good	0.17 \| good
2025-07-28T09:00:00.000Z	33 \| good	5.881 \| good	26.572 \| good	26.945 \| good	0.74 \| good	11.347 \| good	0.182 \| good
2025-07-28T10:00:00.000Z	33 \| good	6.12 \| good	26.968 \| good	16.175 \| good	0.681 \| good	10.915 \| good	0.179 \| good
2025-07-28T11:00:00.000Z	33 \| good	5.64 \| good	24.035 \| good	15.403 \| good	0.622 \| good	10.484 \| good	0.175 \| good
2025-07-28T12:00:00.000Z	33 \| good	5.755 \| good	24.87 \| good	28.901 \| good	0.563 \| good	10.052 \| good	0.172 \| good
2025-07-28T13:00:00.000Z	38 \| good	6.519 \| good	28.972 \| good	26.07 \| good	0.709 \| good	8.423 \| good	0.161 \| good
2025-07-28T14:00:00.000Z	38 \| good	7.033 \| good	30.932 \| good	25.865 \| good	0.854 \| good	6.795 \| good	0.15 \| good
2025-07-28T15:00:00.000Z	44 \| good	8.488 \| good	36.824 \| good	27.607 \| good	1 \| good	5.166 \| good	0.138 \| good
2025-07-28T16:00:00.000Z	52 \| moderate	10.435 \| good	46.356 \| good	32.664 \| good	0.994 \| good	4.56 \| good	0.133 \| good
2025-07-28T17:00:00.000Z	52 \| moderate	9.945 \| good	43.812 \| good	38.468 \| good	0.989 \| good	3.953 \| good	0.128 \| good
2025-07-28T18:00:00.000Z	52 \| moderate	9.523 \| good	42.872 \| good	41.363 \| good	0.983 \| good	3.346 \| good	0.122 \| good
2025-07-28T19:00:00.000Z	49 \| good	9.216 \| good	41.096 \| good	45.95 \| good	0.954 \| good	2.938 \| good	0.119 \| good
2025-07-28T20:00:00.000Z	49 \| good	8.981 \| good	40.474 \| good	50.033 \| good	0.924 \| good	2.53 \| good	0.115 \| good
2025-07-28T21:00:00.000Z	46 \| good	7.726 \| good	33.892 \| good	50.012 \| good	0.894 \| good	2.122 \| good	0.111 \| good

El Cajon

Empower business decisions with accurate air quality data

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

0.16ppm

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 08:00:00, 2025-07-26.

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 03:00:00 on 2025-07-26.

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

The air quality in El Cajon, California right now is Good, with an AQI of 33.

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

In El Cajon, California, O3 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 4.002 μg/m³.

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

El Cajon, California currently has a PM₁₀ concentration of 12.073 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 0.14 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 0.32 ppb.

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

El Cajon, California currently has an ozone (O₃) concentration of 35.891 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 4.11 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-25T04:00:00.000Z	22 \| good	3.831 \| good	12.262 \| good	22.87 \| good	0.411 \| good	5.335 \| good	0.174 \| good
2025-07-25T05:00:00.000Z	22 \| good	3.866 \| good	11.22 \| good	21.342 \| good	0.414 \| good	6.656 \| good	0.162 \| good
2025-07-25T06:00:00.000Z	22 \| good	3.955 \| good	11.253 \| good	20.298 \| good	0.29 \| good	7.217 \| good	0.167 \| good
2025-07-25T07:00:00.000Z	22 \| good	3.988 \| good	10.483 \| good	20.393 \| good	0.372 \| good	6.944 \| good	0.174 \| good
2025-07-25T08:00:00.000Z	22 \| good	3.998 \| good	10.203 \| good	20.99 \| good	0.416 \| good	6.27 \| good	0.174 \| good
2025-07-25T09:00:00.000Z	22 \| good	4.087 \| good	11.018 \| good	20.755 \| good	0.299 \| good	6.72 \| good	0.156 \| good
2025-07-25T10:00:00.000Z	22 \| good	4.343 \| good	11.101 \| good	20.809 \| good	0.32 \| good	7.201 \| good	0.18 \| good
2025-07-25T11:00:00.000Z	27 \| good	4.626 \| good	11.438 \| good	21.019 \| good	0.27 \| good	6.975 \| good	0.164 \| good
2025-07-25T12:00:00.000Z	27 \| good	4.598 \| good	11.356 \| good	20.626 \| good	0.207 \| good	9.65 \| good	0.176 \| good
2025-07-25T13:00:00.000Z	27 \| good	4.655 \| good	11.604 \| good	20.761 \| good	0.275 \| good	12.634 \| good	0.266 \| good
2025-07-25T14:00:00.000Z	27 \| good	4.867 \| good	13.309 \| good	20.891 \| good	0.376 \| good	10.133 \| good	0.254 \| good
2025-07-25T15:00:00.000Z	27 \| good	5.047 \| good	15.063 \| good	21.795 \| good	0.343 \| good	8.824 \| good	0.197 \| good
2025-07-25T16:00:00.000Z	27 \| good	4.911 \| good	14.355 \| good	22.094 \| good	0.329 \| good	7.717 \| good	0.192 \| good
2025-07-25T17:00:00.000Z	27 \| good	5.026 \| good	15.269 \| good	23.873 \| good	0.402 \| good	5.494 \| good	0.166 \| good
2025-07-25T18:00:00.000Z	27 \| good	5.084 \| good	15.218 \| good	26.308 \| good	0.369 \| good	4.572 \| good	0.13 \| good
2025-07-25T19:00:00.000Z	31 \| good	4.854 \| good	15.389 \| good	34.452 \| good	0.304 \| good	4.645 \| good	0.138 \| good
2025-07-25T20:00:00.000Z	34 \| good	4.829 \| good	15.324 \| good	36.898 \| good	0.28 \| good	3.878 \| good	0.138 \| good
2025-07-25T21:00:00.000Z	32 \| good	4.602 \| good	16.251 \| good	34.88 \| good	0.214 \| good	3.406 \| good	0.156 \| good
2025-07-25T22:00:00.000Z	31 \| good	4.386 \| good	15.855 \| good	33.282 \| good	0.235 \| good	3.314 \| good	0.132 \| good
2025-07-25T23:00:00.000Z	31 \| good	4.225 \| good	15.754 \| good	32.716 \| good	0.257 \| good	3.882 \| good	0.117 \| good
2025-07-26T00:00:00.000Z	29 \| good	4.116 \| good	15.357 \| good	31.354 \| good	0.324 \| good	2.852 \| good	0.117 \| good
2025-07-26T01:00:00.000Z	27 \| good	3.941 \| good	14.288 \| good	29.151 \| good	0.379 \| good	3.247 \| good	0.117 \| good
2025-07-26T02:00:00.000Z	25 \| good	3.845 \| good	13.795 \| good	26.938 \| good	0.358 \| good	3.475 \| good	0.138 \| good
2025-07-26T03:00:00.000Z	24 \| good	3.78 \| good	12.679 \| good	25.579 \| good	0.437 \| good	5.237 \| good	0.132 \| good
2025-07-26T04:00:00.000Z	22 \| good	3.702 \| good	11.402 \| good	23.853 \| good	0.338 \| good	4.842 \| good	0.162 \| good
2025-07-26T05:00:00.000Z	22 \| good	3.703 \| good	10.683 \| good	23.926 \| good	0.306 \| good	4.607 \| good	0.141 \| good
2025-07-26T06:00:00.000Z	22 \| good	3.77 \| good	10.623 \| good	23.198 \| good	0.289 \| good	4.754 \| good	0.141 \| good
2025-07-26T07:00:00.000Z	22 \| good	3.858 \| good	10.319 \| good	22.995 \| good	0.375 \| good	4.24 \| good	0.128 \| good
2025-07-26T08:00:00.000Z	22 \| good	3.879 \| good	10.531 \| good	23.475 \| good	0.221 \| good	4.142 \| good	0.123 \| good
2025-07-26T09:00:00.000Z	22 \| good	3.872 \| good	9.844 \| good	24.146 \| good	0.274 \| good	4.026 \| good	0.117 \| good
2025-07-26T10:00:00.000Z	22 \| good	3.815 \| good	9.927 \| good	24.434 \| good	0.32 \| good	5.6 \| good	0.13 \| good
2025-07-26T11:00:00.000Z	22 \| good	3.85 \| good	9.927 \| good	24.357 \| good	0.244 \| good	5.851 \| good	0.13 \| good
2025-07-26T12:00:00.000Z	23 \| good	3.875 \| good	9.811 \| good	24.668 \| good	0.186 \| good	5.764 \| good	0.148 \| good
2025-07-26T13:00:00.000Z	22 \| good	4.267 \| good	11.257 \| good	24.267 \| good	0.198 \| good	6.985 \| good	0.18 \| good
2025-07-26T14:00:00.000Z	27 \| good	4.714 \| good	14.987 \| good	24.23 \| good	0.268 \| good	6.758 \| good	0.159 \| good
2025-07-26T15:00:00.000Z	27 \| good	4.557 \| good	14.554 \| good	24.591 \| good	0.195 \| good	6.69 \| good	0.192 \| good
2025-07-26T16:00:00.000Z	24 \| good	4.231 \| good	12.187 \| good	25.781 \| good	0.158 \| good	6.372 \| good	0.168 \| good
2025-07-26T17:00:00.000Z	26 \| good	4.201 \| good	11.377 \| good	28.18 \| good	0.209 \| good	6.31 \| good	0.168 \| good
2025-07-26T18:00:00.000Z	29 \| good	4.134 \| good	11.715 \| good	31.162 \| good	0.199 \| good	6.698 \| good	0.13 \| good
2025-07-26T19:00:00.000Z	31 \| good	4.116 \| good	12.199 \| good	34.174 \| good	0.215 \| good	5.264 \| good	0.156 \| good
2025-07-26T20:00:00.000Z	33 \| good	4.066 \| good	12.149 \| good	36.137 \| good	0.257 \| good	4.4 \| good	0.156 \| good
2025-07-26T21:00:00.000Z	31 \| good	3.972 \| good	12.984 \| good	33.533 \| good	0.314 \| good	4.652 \| good	0.15 \| good
2025-07-26T22:00:00.000Z	30 \| good	3.82 \| good	12.981 \| good	32.376 \| good	0.3 \| good	3.639 \| good	0.15 \| good
2025-07-26T23:00:00.000Z	30 \| good	3.644 \| good	12.714 \| good	32.246 \| good	0.338 \| good	3.419 \| good	0.132 \| good
2025-07-27T00:00:00.000Z	30 \| good	3.562 \| good	11.714 \| good	32.192 \| good	0.527 \| good	3.657 \| good	0.156 \| good
2025-07-27T01:00:00.000Z	30 \| good	3.462 \| good	11.367 \| good	31.645 \| good	0.588 \| good	4.183 \| good	0.141 \| good
2025-07-27T02:00:00.000Z	29 \| good	3.468 \| good	10.578 \| good	30.882 \| good	0.574 \| good	4.636 \| good	0.154 \| good
2025-07-27T03:00:00.000Z	26 \| good	4.176 \| good	11.588 \| good	28.267 \| good	0.49 \| good	5.727 \| good	0.18 \| good
2025-07-27T03:00:00.000Z	27 \| good	4.56 \| good	11.939 \| good	28.076 \| good	0.489 \| good	4.842 \| good	0.159 \| good
2025-07-26T22:00:00.000Z	38 \| good	4.978 \| good	21.15 \| good	40.687 \| good	0.552 \| good	1.571 \| good	0.121 \| good
2025-07-26T23:00:00.000Z	35 \| good	4.343 \| good	19.027 \| good	37.916 \| good	0.544 \| good	1.545 \| good	0.12 \| good
2025-07-27T00:00:00.000Z	31 \| good	3.276 \| good	14.325 \| good	34.308 \| good	0.537 \| good	1.52 \| good	0.118 \| good
2025-07-27T01:00:00.000Z	31 \| good	3.94 \| good	17.128 \| good	33.302 \| good	0.584 \| good	2.38 \| good	0.122 \| good
2025-07-27T02:00:00.000Z	30 \| good	4.4 \| good	19.024 \| good	32.071 \| good	0.631 \| good	3.24 \| good	0.126 \| good
2025-07-27T03:00:00.000Z	29 \| good	4.429 \| good	19.024 \| good	31.255 \| good	0.678 \| good	4.1 \| good	0.129 \| good
2025-07-27T04:00:00.000Z	28 \| good	4.447 \| good	19.112 \| good	29.514 \| good	0.743 \| good	4.887 \| good	0.133 \| good
2025-07-27T05:00:00.000Z	26 \| good	4.285 \| good	19.033 \| good	27.958 \| good	0.808 \| good	5.674 \| good	0.137 \| good
2025-07-27T06:00:00.000Z	27 \| good	4.651 \| good	20.083 \| good	27.673 \| good	0.873 \| good	6.461 \| good	0.141 \| good
2025-07-27T07:00:00.000Z	27 \| good	4.71 \| good	20.835 \| good	27.841 \| good	0.853 \| good	6.972 \| good	0.146 \| good
2025-07-27T08:00:00.000Z	27 \| good	4.869 \| good	21.022 \| good	26.608 \| good	0.832 \| good	7.482 \| good	0.152 \| good
2025-07-27T09:00:00.000Z	27 \| good	4.911 \| good	21.047 \| good	24.435 \| good	0.812 \| good	7.992 \| good	0.157 \| good
2025-07-27T10:00:00.000Z	27 \| good	5.313 \| good	22.874 \| good	16.36 \| good	0.739 \| good	8.227 \| good	0.16 \| good
2025-07-27T11:00:00.000Z	27 \| good	5.25 \| good	22.748 \| good	15.468 \| good	0.665 \| good	8.463 \| good	0.163 \| good
2025-07-27T12:00:00.000Z	33 \| good	5.788 \| good	24.899 \| good	27.117 \| good	0.592 \| good	8.698 \| good	0.165 \| good
2025-07-27T13:00:00.000Z	27 \| good	5.426 \| good	23.076 \| good	25.298 \| good	0.745 \| good	7.408 \| good	0.159 \| good
2025-07-27T14:00:00.000Z	33 \| good	5.556 \| good	24.001 \| good	25.097 \| good	0.898 \| good	6.117 \| good	0.153 \| good
2025-07-27T15:00:00.000Z	33 \| good	6.33 \| good	28.156 \| good	28.31 \| good	1.052 \| good	4.827 \| good	0.147 \| good
2025-07-27T16:00:00.000Z	44 \| good	8.09 \| good	35.673 \| good	33.401 \| good	0.998 \| good	4.207 \| good	0.142 \| good
2025-07-27T17:00:00.000Z	38 \| good	7.18 \| good	31.795 \| good	37.713 \| good	0.945 \| good	3.586 \| good	0.137 \| good
2025-07-27T18:00:00.000Z	40 \| good	5.54 \| good	24.137 \| good	43.301 \| good	0.891 \| good	2.966 \| good	0.132 \| good
2025-07-27T19:00:00.000Z	42 \| good	6.279 \| good	28.078 \| good	44.795 \| good	0.869 \| good	2.601 \| good	0.129 \| good
2025-07-27T20:00:00.000Z	43 \| good	5.921 \| good	25.287 \| good	45.517 \| good	0.848 \| good	2.236 \| good	0.127 \| good
2025-07-27T21:00:00.000Z	42 \| good	5.467 \| good	23.323 \| good	44.851 \| good	0.826 \| good	1.871 \| good	0.124 \| good
2025-07-27T22:00:00.000Z	40 \| good	4.803 \| good	20.978 \| good	43.13 \| good	0.769 \| good	1.787 \| good	0.121 \| good
2025-07-27T23:00:00.000Z	37 \| good	4.34 \| good	19.094 \| good	39.852 \| good	0.712 \| good	1.703 \| good	0.118 \| good
2025-07-28T00:00:00.000Z	34 \| good	3.341 \| good	14.358 \| good	36.869 \| good	0.656 \| good	1.619 \| good	0.114 \| good
2025-07-28T01:00:00.000Z	32 \| good	3.789 \| good	16.27 \| good	35.485 \| good	0.683 \| good	2.535 \| good	0.117 \| good
2025-07-28T02:00:00.000Z	31 \| good	3.732 \| good	16.189 \| good	32.538 \| good	0.71 \| good	3.452 \| good	0.119 \| good
2025-07-28T03:00:00.000Z	28 \| good	4.462 \| good	19.122 \| good	30.001 \| good	0.737 \| good	4.368 \| good	0.121 \| good
2025-07-28T04:00:00.000Z	27 \| good	4.06 \| good	18.057 \| good	29.088 \| good	0.805 \| good	5.811 \| good	0.129 \| good
2025-07-28T05:00:00.000Z	27 \| good	4.043 \| good	18.037 \| good	29.242 \| good	0.873 \| good	7.253 \| good	0.136 \| good
2025-07-28T06:00:00.000Z	25 \| good	4.454 \| good	19.138 \| good	27.363 \| good	0.941 \| good	8.695 \| good	0.144 \| good
2025-07-28T07:00:00.000Z	27 \| good	4.983 \| good	21.159 \| good	27.572 \| good	0.874 \| good	9.579 \| good	0.157 \| good
2025-07-28T08:00:00.000Z	33 \| good	5.585 \| good	23.945 \| good	27.129 \| good	0.807 \| good	10.463 \| good	0.17 \| good
2025-07-28T09:00:00.000Z	33 \| good	5.881 \| good	26.572 \| good	26.945 \| good	0.74 \| good	11.347 \| good	0.182 \| good
2025-07-28T10:00:00.000Z	33 \| good	6.12 \| good	26.968 \| good	16.175 \| good	0.681 \| good	10.915 \| good	0.179 \| good
2025-07-28T11:00:00.000Z	33 \| good	5.64 \| good	24.035 \| good	15.403 \| good	0.622 \| good	10.484 \| good	0.175 \| good
2025-07-28T12:00:00.000Z	33 \| good	5.755 \| good	24.87 \| good	28.901 \| good	0.563 \| good	10.052 \| good	0.172 \| good
2025-07-28T13:00:00.000Z	38 \| good	6.519 \| good	28.972 \| good	26.07 \| good	0.709 \| good	8.423 \| good	0.161 \| good
2025-07-28T14:00:00.000Z	38 \| good	7.033 \| good	30.932 \| good	25.865 \| good	0.854 \| good	6.795 \| good	0.15 \| good
2025-07-28T15:00:00.000Z	44 \| good	8.488 \| good	36.824 \| good	27.607 \| good	1 \| good	5.166 \| good	0.138 \| good
2025-07-28T16:00:00.000Z	52 \| moderate	10.435 \| good	46.356 \| good	32.664 \| good	0.994 \| good	4.56 \| good	0.133 \| good
2025-07-28T17:00:00.000Z	52 \| moderate	9.945 \| good	43.812 \| good	38.468 \| good	0.989 \| good	3.953 \| good	0.128 \| good
2025-07-28T18:00:00.000Z	52 \| moderate	9.523 \| good	42.872 \| good	41.363 \| good	0.983 \| good	3.346 \| good	0.122 \| good
2025-07-28T19:00:00.000Z	49 \| good	9.216 \| good	41.096 \| good	45.95 \| good	0.954 \| good	2.938 \| good	0.119 \| good
2025-07-28T20:00:00.000Z	49 \| good	8.981 \| good	40.474 \| good	50.033 \| good	0.924 \| good	2.53 \| good	0.115 \| good
2025-07-28T21:00:00.000Z	46 \| good	7.726 \| good	33.892 \| good	50.012 \| good	0.894 \| good	2.122 \| good	0.111 \| 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 PM2.5 concentration in El Cajon, California right now?

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

What is the current level of carbon monoxide (CO) 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?

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?