What are the current PM10 levels at Rancho San Diego, California?

The current PM10 levels in Rancho San Diego, California are 6.595 μg/m3.

What are the current sulfur dioxide (SO2) levels at Rancho San Diego, California?

The current sulfur dioxide (SO2) levels in Rancho San Diego, California are 0.606 ppb.

What are the current ozone (O3) levels at Rancho San Diego, California?

The current ozone (O3) levels at Rancho San Diego, California is 30.994 ppm.

What are the current nitrogen dioxide (NO2) levels at Rancho San Diego, California?

The current nitrogen dioxide (NO2) levels at Rancho San Diego, California is 6.081 ppb.

Real-time air quality index in Rancho San Diego, California today

Q: What are the current PM2.5 levels in Rancho San Diego, California?

The measured PM2.5 levels in Rancho San Diego, California at present are 2.856 μg/m3.

Stay updated with real-time air quality in Rancho San Diego, 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

Rancho San Diego, California

Last updated: ... (Local time)

Common air pollutants in Rancho San Diego, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

2.86 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

6.59 μg/m³

155

255

425

605+

Ozone (O₃)

30.99 ppb

201

201+

Sulfur Dioxide (SO₂)

0.61 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.08 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.53 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

Rancho San Diego, California

Get Live Pollen Counts

Rancho San Diego, California

Scroll To Air Quality Map

Track live Rancho San Diego, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-20T15:00:00.000Z	49 \| good	9.12 \| good	28.836 \| good	35.311 \| good	0.641 \| good	13.226 \| good	0.485 \| good
2026-04-20T16:00:00.000Z	52 \| moderate	9.833 \| good	30.255 \| good	39.055 \| good	0.726 \| good	13.476 \| good	0.383 \| good
2026-04-20T17:00:00.000Z	54 \| moderate	10.637 \| good	32.273 \| good	40.435 \| good	0.703 \| good	8.94 \| good	0.321 \| good
2026-04-20T18:00:00.000Z	54 \| moderate	10.619 \| good	32.33 \| good	44.177 \| good	0.608 \| good	6.713 \| good	0.305 \| good
2026-04-20T19:00:00.000Z	52 \| moderate	10.299 \| good	31.71 \| good	48.516 \| good	0.604 \| good	5.054 \| good	0.287 \| good
2026-04-20T20:00:00.000Z	52 \| moderate	9.746 \| good	30.434 \| good	52.286 \| good	0.614 \| good	3.894 \| good	0.287 \| good
2026-04-20T21:00:00.000Z	49 \| good	8.97 \| good	29.883 \| good	53.418 \| good	0.673 \| good	3.045 \| good	0.265 \| good
2026-04-20T22:00:00.000Z	49 \| good	8.157 \| good	28.537 \| good	52.924 \| good	0.632 \| good	2.44 \| good	0.286 \| good
2026-04-20T23:00:00.000Z	49 \| good	7.473 \| good	27.605 \| good	53.039 \| good	0.66 \| good	2.491 \| good	0.273 \| good
2026-04-21T00:00:00.000Z	48 \| good	7.199 \| good	27.021 \| good	51.872 \| good	1.01 \| good	2.697 \| good	0.273 \| good
2026-04-21T01:00:00.000Z	46 \| good	6.939 \| good	25.83 \| good	50.303 \| good	0.673 \| good	3.426 \| good	0.273 \| good
2026-04-21T02:00:00.000Z	44 \| good	6.472 \| good	24.149 \| good	47.668 \| good	0.732 \| good	3.633 \| good	0.273 \| good
2026-04-21T03:00:00.000Z	43 \| good	6.071 \| good	23.168 \| good	45.787 \| good	0.541 \| good	3.868 \| good	0.294 \| good
2026-04-21T04:00:00.000Z	41 \| good	5.87 \| good	21.868 \| good	44.103 \| good	0.537 \| good	5.086 \| good	0.294 \| good
2026-04-21T05:00:00.000Z	41 \| good	5.71 \| good	20.842 \| good	43.771 \| good	0.615 \| good	4.419 \| good	0.294 \| good
2026-04-21T06:00:00.000Z	40 \| good	5.603 \| good	20.715 \| good	42.662 \| good	0.631 \| good	5.255 \| good	0.294 \| good
2026-04-21T07:00:00.000Z	37 \| good	5.591 \| good	20.515 \| good	40.197 \| good	0.473 \| good	4.94 \| good	0.294 \| good
2026-04-21T08:00:00.000Z	34 \| good	5.776 \| good	20.196 \| good	37.207 \| good	0.579 \| good	5.42 \| good	0.313 \| good
2026-04-21T09:00:00.000Z	33 \| good	6.128 \| good	21.289 \| good	30.497 \| good	0.483 \| good	6.996 \| good	0.304 \| good
2026-04-21T10:00:00.000Z	33 \| good	6.258 \| good	20.435 \| good	27.715 \| good	0.451 \| good	6.938 \| good	0.323 \| good
2026-04-21T11:00:00.000Z	38 \| good	6.591 \| good	21.075 \| good	26.89 \| good	0.505 \| good	8.408 \| good	0.343 \| good
2026-04-21T12:00:00.000Z	38 \| good	6.74 \| good	20.518 \| good	26.89 \| good	0.432 \| good	11.513 \| good	0.361 \| good
2026-04-21T13:00:00.000Z	38 \| good	6.891 \| good	20.399 \| good	24.066 \| good	0.429 \| good	11.331 \| good	0.361 \| good
2026-04-21T14:00:00.000Z	38 \| good	7.288 \| good	21.939 \| good	25.672 \| good	0.397 \| good	12.823 \| good	0.605 \| good
2026-04-21T15:00:00.000Z	38 \| good	7.469 \| good	23.057 \| good	27.957 \| good	0.528 \| good	10.683 \| good	0.507 \| good
2026-04-21T16:00:00.000Z	38 \| good	7.33 \| good	22.48 \| good	37.026 \| good	0.603 \| good	7.863 \| good	0.487 \| good
2026-04-21T17:00:00.000Z	44 \| good	7.567 \| good	22.999 \| good	40.007 \| good	0.582 \| good	7.109 \| good	0.286 \| good
2026-04-21T18:00:00.000Z	44 \| good	8.064 \| good	25.277 \| good	43.751 \| good	0.657 \| good	7.322 \| good	0.289 \| good
2026-04-21T19:00:00.000Z	44 \| good	7.381 \| good	23.983 \| good	46.846 \| good	0.68 \| good	6.325 \| good	0.268 \| good
2026-04-21T20:00:00.000Z	46 \| good	6.577 \| good	21.908 \| good	49.577 \| good	0.682 \| good	4.3 \| good	0.23 \| good
2026-04-21T21:00:00.000Z	47 \| good	5.541 \| good	18.844 \| good	50.596 \| good	0.605 \| good	2.307 \| good	0.23 \| good
2026-04-21T22:00:00.000Z	46 \| good	4.767 \| good	16.294 \| good	49.558 \| good	0.578 \| good	2.564 \| good	0.247 \| good
2026-04-21T23:00:00.000Z	43 \| good	4.181 \| good	13.846 \| good	46.265 \| good	0.457 \| good	2.716 \| good	0.269 \| good
2026-04-22T00:00:00.000Z	42 \| good	3.773 \| good	12.151 \| good	44.661 \| good	0.481 \| good	3.068 \| good	0.252 \| good
2026-04-22T01:00:00.000Z	40 \| good	3.417 \| good	10.511 \| good	42.767 \| good	0.481 \| good	3.247 \| good	0.252 \| good
2026-04-22T02:00:00.000Z	38 \| good	3.275 \| good	9.511 \| good	41.494 \| good	0.44 \| good	3.23 \| good	0.252 \| good
2026-04-22T03:00:00.000Z	36 \| good	3.033 \| good	8.003 \| good	39.337 \| good	0.435 \| good	3.413 \| good	0.252 \| good
2026-04-22T04:00:00.000Z	33 \| good	2.656 \| good	6.746 \| good	36.495 \| good	0.468 \| good	2.77 \| good	0.251 \| good
2026-04-22T05:00:00.000Z	33 \| good	2.491 \| good	6.08 \| good	35.677 \| good	0.558 \| good	3.027 \| good	0.273 \| good
2026-04-22T06:00:00.000Z	33 \| good	2.491 \| good	6.08 \| good	35.677 \| good	0.549 \| good	2.801 \| good	0.273 \| good
2026-04-22T07:00:00.000Z	35 \| good	2.651 \| good	6.727 \| good	38.019 \| good	0.519 \| good	3.096 \| good	0.311 \| good
2026-04-22T08:00:00.000Z	35 \| good	2.771 \| good	6.961 \| good	38.248 \| good	0.491 \| good	3.646 \| good	0.283 \| good
2026-04-22T09:00:00.000Z	36 \| good	2.83 \| good	7.199 \| good	38.596 \| good	0.531 \| good	3.066 \| good	0.265 \| good
2026-04-22T10:00:00.000Z	34 \| good	2.885 \| good	7.06 \| good	36.846 \| good	0.482 \| good	3.747 \| good	0.262 \| good
2026-04-22T11:00:00.000Z	32 \| good	2.885 \| good	6.727 \| good	35.197 \| good	0.591 \| good	4.411 \| good	0.322 \| good
2026-04-22T12:00:00.000Z	32 \| good	2.905 \| good	6.727 \| good	35.197 \| good	0.506 \| good	6.436 \| good	0.422 \| good
2026-04-22T13:00:00.000Z	31 \| good	2.986 \| good	7.787 \| good	33.547 \| good	0.587 \| good	7.746 \| good	0.536 \| good
2026-04-22T14:00:00.000Z	29 \| good	2.856 \| good	6.595 \| good	30.994 \| good	0.606 \| good	6.081 \| good	0.534 \| good
2026-04-22T15:00:00.000Z	31 \| good	4.793 \| good	20.92 \| good	34.468 \| good	1.15 \| good	6.103 \| good	0.155 \| good
2026-04-22T16:00:00.000Z	38 \| good	4.371 \| good	19.206 \| good	41.12 \| good	1 \| good	4.652 \| good	0.147 \| good
2026-04-22T17:00:00.000Z	37 \| good	3.263 \| good	14.315 \| good	39.894 \| good	0.755 \| good	2.816 \| good	0.146 \| good
2026-04-22T18:00:00.000Z	41 \| good	4.057 \| good	17.919 \| good	43.672 \| good	0.603 \| good	1.606 \| good	0.142 \| good
2026-04-22T19:00:00.000Z	44 \| good	4 \| good	17.927 \| good	46.545 \| good	0.54 \| good	1.362 \| good	0.141 \| good
2026-04-22T20:00:00.000Z	48 \| good	4.479 \| good	19.087 \| good	52.473 \| good	0.523 \| good	1.192 \| good	0.127 \| good
2026-04-22T21:00:00.000Z	48 \| good	4.044 \| good	18 \| good	52.498 \| good	0.435 \| good	0.914 \| good	0.125 \| good
2026-04-22T22:00:00.000Z	45 \| good	3.689 \| good	16.119 \| good	49.213 \| good	0.409 \| good	1.028 \| good	0.125 \| good
2026-04-22T23:00:00.000Z	46 \| good	3.535 \| good	15.942 \| good	49.531 \| good	0.383 \| good	1.142 \| good	0.124 \| good
2026-04-23T00:00:00.000Z	47 \| good	3.541 \| good	15.86 \| good	50.535 \| good	0.357 \| good	1.256 \| good	0.124 \| good
2026-04-23T01:00:00.000Z	44 \| good	2.753 \| good	11.213 \| good	46.734 \| good	0.408 \| good	2.184 \| good	0.145 \| good
2026-04-23T02:00:00.000Z	40 \| good	2.538 \| good	10.206 \| good	43.491 \| good	0.458 \| good	3.089 \| good	0.149 \| good
2026-04-23T03:00:00.000Z	39 \| good	3.251 \| good	13.943 \| good	41.652 \| good	0.507 \| good	3.994 \| good	0.154 \| good
2026-04-23T04:00:00.000Z	34 \| good	4.237 \| good	18.913 \| good	36.844 \| good	0.595 \| good	6.236 \| good	0.147 \| good
2026-04-23T05:00:00.000Z	30 \| good	4.137 \| good	18.229 \| good	32.443 \| good	0.707 \| good	8.641 \| good	0.161 \| good
2026-04-23T06:00:00.000Z	27 \| good	4.553 \| good	19.861 \| good	27.135 \| good	0.818 \| good	11.045 \| good	0.174 \| good
2026-04-23T07:00:00.000Z	23 \| good	4.348 \| good	18.772 \| good	24.788 \| good	0.822 \| good	12.392 \| good	0.188 \| good
2026-04-23T08:00:00.000Z	27 \| good	4.862 \| good	20.737 \| good	21.887 \| good	0.826 \| good	13.739 \| good	0.202 \| good
2026-04-23T09:00:00.000Z	33 \| good	6.157 \| good	27.628 \| good	18.926 \| good	0.861 \| good	15.238 \| good	0.23 \| good
2026-04-23T10:00:00.000Z	22 \| good	4.444 \| good	19.646 \| good	19.771 \| good	0.856 \| good	13.813 \| good	0.221 \| good
2026-04-23T11:00:00.000Z	17 \| good	3.294 \| good	14.116 \| good	18.131 \| good	0.851 \| good	12.388 \| good	0.213 \| good
2026-04-23T12:00:00.000Z	25 \| good	3.644 \| good	16.229 \| good	27.132 \| good	0.777 \| good	11.383 \| good	0.188 \| good
2026-04-23T13:00:00.000Z	25 \| good	3.306 \| good	14.455 \| good	26.892 \| good	0.901 \| good	10.7 \| good	0.19 \| good
2026-04-23T14:00:00.000Z	28 \| good	4.487 \| good	20.035 \| good	30.212 \| good	1.024 \| good	10.018 \| good	0.193 \| good
2026-04-23T15:00:00.000Z	32 \| good	4.12 \| good	17.771 \| good	35.5 \| good	1.147 \| good	9.335 \| good	0.195 \| good
2026-04-23T16:00:00.000Z	36 \| good	5.157 \| good	22.412 \| good	38.616 \| good	1.121 \| good	7.453 \| good	0.181 \| good
2026-04-23T17:00:00.000Z	42 \| good	6.036 \| good	26.936 \| good	44.733 \| good	1.284 \| good	5.985 \| good	0.181 \| good
2026-04-23T18:00:00.000Z	45 \| good	6.66 \| good	29.941 \| good	49.099 \| good	1.339 \| good	3.911 \| good	0.161 \| good
2026-04-23T19:00:00.000Z	48 \| good	7.127 \| good	31.789 \| good	52.399 \| good	1.333 \| good	3.454 \| good	0.159 \| good
2026-04-23T20:00:00.000Z	44 \| good	7.153 \| good	31.89 \| good	48.163 \| good	1.138 \| good	3.419 \| good	0.155 \| good
2026-04-23T21:00:00.000Z	45 \| good	7.669 \| good	33.844 \| good	48.951 \| good	1.172 \| good	3.284 \| good	0.156 \| good
2026-04-23T22:00:00.000Z	44 \| good	7.142 \| good	31.829 \| good	48.174 \| good	1.216 \| good	3.278 \| good	0.156 \| good
2026-04-23T23:00:00.000Z	45 \| good	6.457 \| good	29.042 \| good	48.54 \| good	1.259 \| good	3.272 \| good	0.157 \| good
2026-04-24T00:00:00.000Z	46 \| good	7.493 \| good	33.108 \| good	49.917 \| good	1.302 \| good	3.265 \| good	0.158 \| good
2026-04-24T01:00:00.000Z	42 \| good	6.176 \| good	27.177 \| good	45.424 \| good	1.517 \| good	3.984 \| good	0.162 \| good
2026-04-24T02:00:00.000Z	41 \| good	6.903 \| good	30.832 \| good	44.03 \| good	1.632 \| good	5.555 \| good	0.17 \| good
2026-04-24T03:00:00.000Z	39 \| good	7.481 \| good	32.832 \| good	41.568 \| good	1.747 \| good	7.126 \| good	0.178 \| good
2026-04-24T04:00:00.000Z	38 \| good	7.449 \| good	32.956 \| good	38.038 \| good	1.776 \| good	11.878 \| good	0.203 \| good
2026-04-24T05:00:00.000Z	44 \| good	7.521 \| good	33.029 \| good	34.186 \| good	1.91 \| good	16.105 \| good	0.23 \| good
2026-04-24T06:00:00.000Z	44 \| good	8.479 \| good	37.058 \| good	34.579 \| good	2.045 \| good	20.332 \| good	0.256 \| good
2026-04-24T07:00:00.000Z	49 \| good	8.894 \| good	39.012 \| good	31.534 \| good	1.882 \| good	19.6 \| good	0.265 \| good
2026-04-24T08:00:00.000Z	49 \| good	8.737 \| good	38.357 \| good	25.334 \| good	1.719 \| good	18.868 \| good	0.273 \| good
2026-04-24T09:00:00.000Z	49 \| good	8.64 \| good	37.664 \| good	23.459 \| good	1.61 \| good	18.583 \| good	0.289 \| good
2026-04-24T10:00:00.000Z	44 \| good	8.29 \| good	36.214 \| good	18.041 \| good	1.424 \| good	16.198 \| good	0.273 \| good
2026-04-24T11:00:00.000Z	52 \| moderate	10.116 \| good	45.129 \| good	14.883 \| good	1.237 \| good	13.812 \| good	0.258 \| good
2026-04-24T12:00:00.000Z	52 \| moderate	10.313 \| good	45.904 \| good	13.617 \| good	1.048 \| good	11.88 \| good	0.235 \| good
2026-04-24T13:00:00.000Z	54 \| moderate	10.849 \| good	48.385 \| good	15.178 \| good	1.181 \| good	11.143 \| good	0.24 \| good
2026-04-24T14:00:00.000Z	52 \| moderate	9.545 \| good	42.627 \| good	22.207 \| good	1.313 \| good	10.405 \| good	0.245 \| good

Rancho San Diego

Empower business decisions with accurate air quality data

Rancho San Diego, California air quality map: Real-time AQI near you

0.54ppm

How accurate is California, USA air quality data?

Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

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Frequently asked questions

How frequently is the air quality data for Rancho San Diego, California updated?

Air quality data for Rancho San Diego, California is updated on an hourly basis.

When did Rancho San Diego, California experience the worst air quality in the last 24 hours?

The worst air quality in Rancho San Diego, California was recorded at 09:00:00 on 2026-04-21.

When did Rancho San Diego, California have its best air quality in the last 24 hours?

The best air quality in Rancho San Diego, California was recorded at 01:00:00 on 2026-04-22.

What is the real-time air quality index for Rancho San Diego, California?

The real-time air quality index in Rancho San Diego, California is 29, currently categorized as Good.

Which pollutant is found most often in Rancho San Diego, California?

The most common pollutant in Rancho San Diego, California is O3.

What can I do if the air quality in Rancho San Diego, California is poor?

If the air quality in Rancho San Diego, California is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Rancho San Diego, California?

The measured PM_2.5 levels in Rancho San Diego, California at present are 2.856 μg/m³.

What are the current PM₁₀ levels at Rancho San Diego, California?

The current PM₁₀ levels in Rancho San Diego, California are 6.595 μg/m³.

What are the current carbon monoxide (CO) levels at Rancho San Diego, California?

The current carbon monoxide (CO) level in Rancho San Diego, California is 0.534 ppm.

What are the current sulfur dioxide (SO₂) levels at Rancho San Diego, California?

The current sulfur dioxide (SO₂) levels in Rancho San Diego, California are 0.606 ppb.

What are the current ozone (O₃) levels at Rancho San Diego, California?

The current ozone (O₃) levels at Rancho San Diego, California is 30.994 ppm.

What are the current nitrogen dioxide (NO₂) levels at Rancho San Diego, California?

The current nitrogen dioxide (NO₂) levels at Rancho San Diego, California is 6.081 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-20T15:00:00.000Z	49 \| good	9.12 \| good	28.836 \| good	35.311 \| good	0.641 \| good	13.226 \| good	0.485 \| good
2026-04-20T16:00:00.000Z	52 \| moderate	9.833 \| good	30.255 \| good	39.055 \| good	0.726 \| good	13.476 \| good	0.383 \| good
2026-04-20T17:00:00.000Z	54 \| moderate	10.637 \| good	32.273 \| good	40.435 \| good	0.703 \| good	8.94 \| good	0.321 \| good
2026-04-20T18:00:00.000Z	54 \| moderate	10.619 \| good	32.33 \| good	44.177 \| good	0.608 \| good	6.713 \| good	0.305 \| good
2026-04-20T19:00:00.000Z	52 \| moderate	10.299 \| good	31.71 \| good	48.516 \| good	0.604 \| good	5.054 \| good	0.287 \| good
2026-04-20T20:00:00.000Z	52 \| moderate	9.746 \| good	30.434 \| good	52.286 \| good	0.614 \| good	3.894 \| good	0.287 \| good
2026-04-20T21:00:00.000Z	49 \| good	8.97 \| good	29.883 \| good	53.418 \| good	0.673 \| good	3.045 \| good	0.265 \| good
2026-04-20T22:00:00.000Z	49 \| good	8.157 \| good	28.537 \| good	52.924 \| good	0.632 \| good	2.44 \| good	0.286 \| good
2026-04-20T23:00:00.000Z	49 \| good	7.473 \| good	27.605 \| good	53.039 \| good	0.66 \| good	2.491 \| good	0.273 \| good
2026-04-21T00:00:00.000Z	48 \| good	7.199 \| good	27.021 \| good	51.872 \| good	1.01 \| good	2.697 \| good	0.273 \| good
2026-04-21T01:00:00.000Z	46 \| good	6.939 \| good	25.83 \| good	50.303 \| good	0.673 \| good	3.426 \| good	0.273 \| good
2026-04-21T02:00:00.000Z	44 \| good	6.472 \| good	24.149 \| good	47.668 \| good	0.732 \| good	3.633 \| good	0.273 \| good
2026-04-21T03:00:00.000Z	43 \| good	6.071 \| good	23.168 \| good	45.787 \| good	0.541 \| good	3.868 \| good	0.294 \| good
2026-04-21T04:00:00.000Z	41 \| good	5.87 \| good	21.868 \| good	44.103 \| good	0.537 \| good	5.086 \| good	0.294 \| good
2026-04-21T05:00:00.000Z	41 \| good	5.71 \| good	20.842 \| good	43.771 \| good	0.615 \| good	4.419 \| good	0.294 \| good
2026-04-21T06:00:00.000Z	40 \| good	5.603 \| good	20.715 \| good	42.662 \| good	0.631 \| good	5.255 \| good	0.294 \| good
2026-04-21T07:00:00.000Z	37 \| good	5.591 \| good	20.515 \| good	40.197 \| good	0.473 \| good	4.94 \| good	0.294 \| good
2026-04-21T08:00:00.000Z	34 \| good	5.776 \| good	20.196 \| good	37.207 \| good	0.579 \| good	5.42 \| good	0.313 \| good
2026-04-21T09:00:00.000Z	33 \| good	6.128 \| good	21.289 \| good	30.497 \| good	0.483 \| good	6.996 \| good	0.304 \| good
2026-04-21T10:00:00.000Z	33 \| good	6.258 \| good	20.435 \| good	27.715 \| good	0.451 \| good	6.938 \| good	0.323 \| good
2026-04-21T11:00:00.000Z	38 \| good	6.591 \| good	21.075 \| good	26.89 \| good	0.505 \| good	8.408 \| good	0.343 \| good
2026-04-21T12:00:00.000Z	38 \| good	6.74 \| good	20.518 \| good	26.89 \| good	0.432 \| good	11.513 \| good	0.361 \| good
2026-04-21T13:00:00.000Z	38 \| good	6.891 \| good	20.399 \| good	24.066 \| good	0.429 \| good	11.331 \| good	0.361 \| good
2026-04-21T14:00:00.000Z	38 \| good	7.288 \| good	21.939 \| good	25.672 \| good	0.397 \| good	12.823 \| good	0.605 \| good
2026-04-21T15:00:00.000Z	38 \| good	7.469 \| good	23.057 \| good	27.957 \| good	0.528 \| good	10.683 \| good	0.507 \| good
2026-04-21T16:00:00.000Z	38 \| good	7.33 \| good	22.48 \| good	37.026 \| good	0.603 \| good	7.863 \| good	0.487 \| good
2026-04-21T17:00:00.000Z	44 \| good	7.567 \| good	22.999 \| good	40.007 \| good	0.582 \| good	7.109 \| good	0.286 \| good
2026-04-21T18:00:00.000Z	44 \| good	8.064 \| good	25.277 \| good	43.751 \| good	0.657 \| good	7.322 \| good	0.289 \| good
2026-04-21T19:00:00.000Z	44 \| good	7.381 \| good	23.983 \| good	46.846 \| good	0.68 \| good	6.325 \| good	0.268 \| good
2026-04-21T20:00:00.000Z	46 \| good	6.577 \| good	21.908 \| good	49.577 \| good	0.682 \| good	4.3 \| good	0.23 \| good
2026-04-21T21:00:00.000Z	47 \| good	5.541 \| good	18.844 \| good	50.596 \| good	0.605 \| good	2.307 \| good	0.23 \| good
2026-04-21T22:00:00.000Z	46 \| good	4.767 \| good	16.294 \| good	49.558 \| good	0.578 \| good	2.564 \| good	0.247 \| good
2026-04-21T23:00:00.000Z	43 \| good	4.181 \| good	13.846 \| good	46.265 \| good	0.457 \| good	2.716 \| good	0.269 \| good
2026-04-22T00:00:00.000Z	42 \| good	3.773 \| good	12.151 \| good	44.661 \| good	0.481 \| good	3.068 \| good	0.252 \| good
2026-04-22T01:00:00.000Z	40 \| good	3.417 \| good	10.511 \| good	42.767 \| good	0.481 \| good	3.247 \| good	0.252 \| good
2026-04-22T02:00:00.000Z	38 \| good	3.275 \| good	9.511 \| good	41.494 \| good	0.44 \| good	3.23 \| good	0.252 \| good
2026-04-22T03:00:00.000Z	36 \| good	3.033 \| good	8.003 \| good	39.337 \| good	0.435 \| good	3.413 \| good	0.252 \| good
2026-04-22T04:00:00.000Z	33 \| good	2.656 \| good	6.746 \| good	36.495 \| good	0.468 \| good	2.77 \| good	0.251 \| good
2026-04-22T05:00:00.000Z	33 \| good	2.491 \| good	6.08 \| good	35.677 \| good	0.558 \| good	3.027 \| good	0.273 \| good
2026-04-22T06:00:00.000Z	33 \| good	2.491 \| good	6.08 \| good	35.677 \| good	0.549 \| good	2.801 \| good	0.273 \| good
2026-04-22T07:00:00.000Z	35 \| good	2.651 \| good	6.727 \| good	38.019 \| good	0.519 \| good	3.096 \| good	0.311 \| good
2026-04-22T08:00:00.000Z	35 \| good	2.771 \| good	6.961 \| good	38.248 \| good	0.491 \| good	3.646 \| good	0.283 \| good
2026-04-22T09:00:00.000Z	36 \| good	2.83 \| good	7.199 \| good	38.596 \| good	0.531 \| good	3.066 \| good	0.265 \| good
2026-04-22T10:00:00.000Z	34 \| good	2.885 \| good	7.06 \| good	36.846 \| good	0.482 \| good	3.747 \| good	0.262 \| good
2026-04-22T11:00:00.000Z	32 \| good	2.885 \| good	6.727 \| good	35.197 \| good	0.591 \| good	4.411 \| good	0.322 \| good
2026-04-22T12:00:00.000Z	32 \| good	2.905 \| good	6.727 \| good	35.197 \| good	0.506 \| good	6.436 \| good	0.422 \| good
2026-04-22T13:00:00.000Z	31 \| good	2.986 \| good	7.787 \| good	33.547 \| good	0.587 \| good	7.746 \| good	0.536 \| good
2026-04-22T14:00:00.000Z	29 \| good	2.856 \| good	6.595 \| good	30.994 \| good	0.606 \| good	6.081 \| good	0.534 \| good
2026-04-22T15:00:00.000Z	31 \| good	4.793 \| good	20.92 \| good	34.468 \| good	1.15 \| good	6.103 \| good	0.155 \| good
2026-04-22T16:00:00.000Z	38 \| good	4.371 \| good	19.206 \| good	41.12 \| good	1 \| good	4.652 \| good	0.147 \| good
2026-04-22T17:00:00.000Z	37 \| good	3.263 \| good	14.315 \| good	39.894 \| good	0.755 \| good	2.816 \| good	0.146 \| good
2026-04-22T18:00:00.000Z	41 \| good	4.057 \| good	17.919 \| good	43.672 \| good	0.603 \| good	1.606 \| good	0.142 \| good
2026-04-22T19:00:00.000Z	44 \| good	4 \| good	17.927 \| good	46.545 \| good	0.54 \| good	1.362 \| good	0.141 \| good
2026-04-22T20:00:00.000Z	48 \| good	4.479 \| good	19.087 \| good	52.473 \| good	0.523 \| good	1.192 \| good	0.127 \| good
2026-04-22T21:00:00.000Z	48 \| good	4.044 \| good	18 \| good	52.498 \| good	0.435 \| good	0.914 \| good	0.125 \| good
2026-04-22T22:00:00.000Z	45 \| good	3.689 \| good	16.119 \| good	49.213 \| good	0.409 \| good	1.028 \| good	0.125 \| good
2026-04-22T23:00:00.000Z	46 \| good	3.535 \| good	15.942 \| good	49.531 \| good	0.383 \| good	1.142 \| good	0.124 \| good
2026-04-23T00:00:00.000Z	47 \| good	3.541 \| good	15.86 \| good	50.535 \| good	0.357 \| good	1.256 \| good	0.124 \| good
2026-04-23T01:00:00.000Z	44 \| good	2.753 \| good	11.213 \| good	46.734 \| good	0.408 \| good	2.184 \| good	0.145 \| good
2026-04-23T02:00:00.000Z	40 \| good	2.538 \| good	10.206 \| good	43.491 \| good	0.458 \| good	3.089 \| good	0.149 \| good
2026-04-23T03:00:00.000Z	39 \| good	3.251 \| good	13.943 \| good	41.652 \| good	0.507 \| good	3.994 \| good	0.154 \| good
2026-04-23T04:00:00.000Z	34 \| good	4.237 \| good	18.913 \| good	36.844 \| good	0.595 \| good	6.236 \| good	0.147 \| good
2026-04-23T05:00:00.000Z	30 \| good	4.137 \| good	18.229 \| good	32.443 \| good	0.707 \| good	8.641 \| good	0.161 \| good
2026-04-23T06:00:00.000Z	27 \| good	4.553 \| good	19.861 \| good	27.135 \| good	0.818 \| good	11.045 \| good	0.174 \| good
2026-04-23T07:00:00.000Z	23 \| good	4.348 \| good	18.772 \| good	24.788 \| good	0.822 \| good	12.392 \| good	0.188 \| good
2026-04-23T08:00:00.000Z	27 \| good	4.862 \| good	20.737 \| good	21.887 \| good	0.826 \| good	13.739 \| good	0.202 \| good
2026-04-23T09:00:00.000Z	33 \| good	6.157 \| good	27.628 \| good	18.926 \| good	0.861 \| good	15.238 \| good	0.23 \| good
2026-04-23T10:00:00.000Z	22 \| good	4.444 \| good	19.646 \| good	19.771 \| good	0.856 \| good	13.813 \| good	0.221 \| good
2026-04-23T11:00:00.000Z	17 \| good	3.294 \| good	14.116 \| good	18.131 \| good	0.851 \| good	12.388 \| good	0.213 \| good
2026-04-23T12:00:00.000Z	25 \| good	3.644 \| good	16.229 \| good	27.132 \| good	0.777 \| good	11.383 \| good	0.188 \| good
2026-04-23T13:00:00.000Z	25 \| good	3.306 \| good	14.455 \| good	26.892 \| good	0.901 \| good	10.7 \| good	0.19 \| good
2026-04-23T14:00:00.000Z	28 \| good	4.487 \| good	20.035 \| good	30.212 \| good	1.024 \| good	10.018 \| good	0.193 \| good
2026-04-23T15:00:00.000Z	32 \| good	4.12 \| good	17.771 \| good	35.5 \| good	1.147 \| good	9.335 \| good	0.195 \| good
2026-04-23T16:00:00.000Z	36 \| good	5.157 \| good	22.412 \| good	38.616 \| good	1.121 \| good	7.453 \| good	0.181 \| good
2026-04-23T17:00:00.000Z	42 \| good	6.036 \| good	26.936 \| good	44.733 \| good	1.284 \| good	5.985 \| good	0.181 \| good
2026-04-23T18:00:00.000Z	45 \| good	6.66 \| good	29.941 \| good	49.099 \| good	1.339 \| good	3.911 \| good	0.161 \| good
2026-04-23T19:00:00.000Z	48 \| good	7.127 \| good	31.789 \| good	52.399 \| good	1.333 \| good	3.454 \| good	0.159 \| good
2026-04-23T20:00:00.000Z	44 \| good	7.153 \| good	31.89 \| good	48.163 \| good	1.138 \| good	3.419 \| good	0.155 \| good
2026-04-23T21:00:00.000Z	45 \| good	7.669 \| good	33.844 \| good	48.951 \| good	1.172 \| good	3.284 \| good	0.156 \| good
2026-04-23T22:00:00.000Z	44 \| good	7.142 \| good	31.829 \| good	48.174 \| good	1.216 \| good	3.278 \| good	0.156 \| good
2026-04-23T23:00:00.000Z	45 \| good	6.457 \| good	29.042 \| good	48.54 \| good	1.259 \| good	3.272 \| good	0.157 \| good
2026-04-24T00:00:00.000Z	46 \| good	7.493 \| good	33.108 \| good	49.917 \| good	1.302 \| good	3.265 \| good	0.158 \| good
2026-04-24T01:00:00.000Z	42 \| good	6.176 \| good	27.177 \| good	45.424 \| good	1.517 \| good	3.984 \| good	0.162 \| good
2026-04-24T02:00:00.000Z	41 \| good	6.903 \| good	30.832 \| good	44.03 \| good	1.632 \| good	5.555 \| good	0.17 \| good
2026-04-24T03:00:00.000Z	39 \| good	7.481 \| good	32.832 \| good	41.568 \| good	1.747 \| good	7.126 \| good	0.178 \| good
2026-04-24T04:00:00.000Z	38 \| good	7.449 \| good	32.956 \| good	38.038 \| good	1.776 \| good	11.878 \| good	0.203 \| good
2026-04-24T05:00:00.000Z	44 \| good	7.521 \| good	33.029 \| good	34.186 \| good	1.91 \| good	16.105 \| good	0.23 \| good
2026-04-24T06:00:00.000Z	44 \| good	8.479 \| good	37.058 \| good	34.579 \| good	2.045 \| good	20.332 \| good	0.256 \| good
2026-04-24T07:00:00.000Z	49 \| good	8.894 \| good	39.012 \| good	31.534 \| good	1.882 \| good	19.6 \| good	0.265 \| good
2026-04-24T08:00:00.000Z	49 \| good	8.737 \| good	38.357 \| good	25.334 \| good	1.719 \| good	18.868 \| good	0.273 \| good
2026-04-24T09:00:00.000Z	49 \| good	8.64 \| good	37.664 \| good	23.459 \| good	1.61 \| good	18.583 \| good	0.289 \| good
2026-04-24T10:00:00.000Z	44 \| good	8.29 \| good	36.214 \| good	18.041 \| good	1.424 \| good	16.198 \| good	0.273 \| good
2026-04-24T11:00:00.000Z	52 \| moderate	10.116 \| good	45.129 \| good	14.883 \| good	1.237 \| good	13.812 \| good	0.258 \| good
2026-04-24T12:00:00.000Z	52 \| moderate	10.313 \| good	45.904 \| good	13.617 \| good	1.048 \| good	11.88 \| good	0.235 \| good
2026-04-24T13:00:00.000Z	54 \| moderate	10.849 \| good	48.385 \| good	15.178 \| good	1.181 \| good	11.143 \| good	0.24 \| good
2026-04-24T14:00:00.000Z	52 \| moderate	9.545 \| good	42.627 \| good	22.207 \| good	1.313 \| good	10.405 \| good	0.245 \| good

Real-time air quality index in Rancho San Diego, California today

Common air pollutants in Rancho San Diego, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Rancho San Diego, California air quality forecast and history

Empower business decisions with accurate air quality data

Rancho San Diego, California air quality map: Real-time AQI near you

Air quality in nearby cities

Casa De OroMount Helix, California

El Cajon, California

Spring Valley, California

La Presa, California

Bostonia, California

La Mesa, California

How accurate is California, USA air quality data?

Air quality levels in US

Frequently asked questions

How frequently is the air quality data for Rancho San Diego, California updated?

When did Rancho San Diego, California experience the worst air quality in the last 24 hours?

When did Rancho San Diego, California have its best air quality in the last 24 hours?

What is the real-time air quality index for Rancho San Diego, California?

Which pollutant is found most often in Rancho San Diego, California?

What can I do if the air quality in Rancho San Diego, California is poor?

What are the current PM2.5 levels in Rancho San Diego, California?

What are the current PM10 levels at Rancho San Diego, California?

What are the current carbon monoxide (CO) levels at Rancho San Diego, California?

What are the current sulfur dioxide (SO2) levels at Rancho San Diego, California?

What are the current ozone (O3) levels at Rancho San Diego, California?

What are the current nitrogen dioxide (NO2) levels at Rancho San Diego, California?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What are the current PM_2.5 levels in Rancho San Diego, California?

What are the current PM₁₀ levels at Rancho San Diego, California?

What are the current sulfur dioxide (SO₂) levels at Rancho San Diego, California?

What are the current ozone (O₃) levels at Rancho San Diego, California?

What are the current nitrogen dioxide (NO₂) levels at Rancho San Diego, California?