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

The current PM10 levels in Rancho San Diego, California are 24.868 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 0.406 ppb.

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

The current ozone (O3) levels at Rancho San Diego, California is 33.657 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 21.139 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 11.355 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)

Moderate

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)

11.36 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

24.87 μg/m³

155

255

425

605+

Ozone (O₃)

33.66 ppb

201

201+

Sulfur Dioxide (SO₂)

0.41 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

21.14 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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
2025-12-14T01:00:00.000Z	73 \| moderate	20.69 \| fine	35.733 \| good	37.121 \| good	0.284 \| good	23.274 \| good	0.488 \| good
2025-12-14T02:00:00.000Z	77 \| moderate	23.061 \| fine	37.857 \| good	34.939 \| good	0.401 \| good	23.371 \| good	0.605 \| good
2025-12-14T03:00:00.000Z	84 \| moderate	26.872 \| fine	43.65 \| good	33.28 \| good	0.431 \| good	15.936 \| good	0.74 \| good
2025-12-14T04:00:00.000Z	94 \| moderate	31.899 \| fine	51.243 \| good	29.886 \| good	0.561 \| good	14.046 \| good	0.734 \| good
2025-12-14T05:00:00.000Z	105 \| sensitive	37.347 \| moderate	60.586 \| fine	29.189 \| good	0.377 \| good	14.425 \| good	0.748 \| good
2025-12-14T06:00:00.000Z	107 \| sensitive	38.414 \| moderate	62.627 \| fine	25.108 \| good	0.593 \| good	16.154 \| good	0.796 \| good
2025-12-14T07:00:00.000Z	107 \| sensitive	38.414 \| moderate	62.627 \| fine	25.108 \| good	0.616 \| good	18.043 \| good	0.796 \| good
2025-12-14T08:00:00.000Z	105 \| sensitive	37.176 \| moderate	58.834 \| fine	21.028 \| good	0.804 \| good	21.46 \| good	0.878 \| good
2025-12-14T09:00:00.000Z	102 \| sensitive	36.179 \| moderate	56.191 \| fine	19.196 \| good	0.643 \| good	20.384 \| good	0.838 \| good
2025-12-14T10:00:00.000Z	88 \| moderate	29.381 \| fine	45.5 \| good	19.196 \| good	0.653 \| good	19.39 \| good	0.791 \| good
2025-12-14T11:00:00.000Z	79 \| moderate	23.657 \| fine	35.943 \| good	19.196 \| good	0.641 \| good	18.974 \| good	0.79 \| good
2025-12-14T12:00:00.000Z	73 \| moderate	21.467 \| fine	32.121 \| good	16.709 \| good	0.607 \| good	17.616 \| good	0.806 \| good
2025-12-14T13:00:00.000Z	73 \| moderate	21.467 \| fine	32.121 \| good	16.709 \| good	0.655 \| good	14.283 \| good	0.979 \| good
2025-12-14T14:00:00.000Z	67 \| moderate	17.781 \| fine	25.237 \| good	15.088 \| good	0.544 \| good	13.375 \| good	0.788 \| good
2025-12-14T15:00:00.000Z	64 \| moderate	15.752 \| fine	21.853 \| good	14.562 \| good	0.535 \| good	14.506 \| good	0.797 \| good
2025-12-14T16:00:00.000Z	60 \| moderate	13.813 \| fine	18.841 \| good	15.742 \| good	0.647 \| good	15.64 \| good	0.788 \| good
2025-12-14T17:00:00.000Z	60 \| moderate	13.828 \| fine	18.803 \| good	16.079 \| good	0.674 \| good	18.28 \| good	0.75 \| good
2025-12-14T18:00:00.000Z	62 \| moderate	15.161 \| fine	20.995 \| good	18.36 \| good	0.487 \| good	18.352 \| good	0.614 \| good
2025-12-14T19:00:00.000Z	64 \| moderate	15.682 \| fine	22.648 \| good	23.007 \| good	0.309 \| good	17.872 \| good	0.568 \| good
2025-12-14T20:00:00.000Z	66 \| moderate	16.621 \| fine	25.211 \| good	28.476 \| good	0.436 \| good	17.566 \| good	0.447 \| good
2025-12-14T21:00:00.000Z	69 \| moderate	18.833 \| fine	29.921 \| good	32.069 \| good	0.429 \| good	19.393 \| good	0.458 \| good
2025-12-14T22:00:00.000Z	73 \| moderate	20.571 \| fine	34.06 \| good	36.7 \| good	0.355 \| good	16.702 \| good	0.418 \| good
2025-12-14T23:00:00.000Z	71 \| moderate	19.991 \| fine	32.511 \| good	39.263 \| good	0.288 \| good	13.688 \| good	0.381 \| good
2025-12-15T00:00:00.000Z	67 \| moderate	18.032 \| fine	30.258 \| good	39.833 \| good	0.249 \| good	12.231 \| good	0.417 \| good
2025-12-15T01:00:00.000Z	64 \| moderate	16.455 \| fine	27.606 \| good	36.043 \| good	0.301 \| good	14.628 \| good	0.453 \| good
2025-12-15T02:00:00.000Z	66 \| moderate	17.453 \| fine	28.115 \| good	31.554 \| good	0.349 \| good	11.126 \| good	0.548 \| good
2025-12-15T03:00:00.000Z	71 \| moderate	20.486 \| fine	32.691 \| good	29.319 \| good	0.403 \| good	16.284 \| good	0.631 \| good
2025-12-15T04:00:00.000Z	81 \| moderate	24.531 \| fine	38.889 \| good	27.802 \| good	0.433 \| good	21.74 \| good	0.776 \| good
2025-12-15T05:00:00.000Z	84 \| moderate	27.254 \| fine	42.816 \| good	28.186 \| good	0.403 \| good	23.527 \| good	0.748 \| good
2025-12-15T06:00:00.000Z	90 \| moderate	29.865 \| fine	46.077 \| good	26.604 \| good	0.595 \| good	23.556 \| good	0.749 \| good
2025-12-15T07:00:00.000Z	92 \| moderate	30.969 \| fine	46.218 \| good	26.604 \| good	0.595 \| good	23.716 \| good	0.749 \| good
2025-12-15T08:00:00.000Z	90 \| moderate	30.401 \| fine	45.582 \| good	23.135 \| good	0.722 \| good	21.654 \| good	0.785 \| good
2025-12-15T09:00:00.000Z	86 \| moderate	28.334 \| fine	42.555 \| good	22.89 \| good	0.649 \| good	20.771 \| good	0.77 \| good
2025-12-15T10:00:00.000Z	79 \| moderate	23.921 \| fine	35.852 \| good	23.588 \| good	0.574 \| good	18.79 \| good	0.774 \| good
2025-12-15T11:00:00.000Z	71 \| moderate	19.669 \| fine	29.878 \| good	23.588 \| good	0.663 \| good	18.129 \| good	0.677 \| good
2025-12-15T12:00:00.000Z	64 \| moderate	15.881 \| fine	23.777 \| good	23.588 \| good	0.519 \| good	17.078 \| good	0.642 \| good
2025-12-15T13:00:00.000Z	64 \| moderate	15.881 \| fine	23.777 \| good	23.588 \| good	0.516 \| good	15.959 \| good	0.642 \| good
2025-12-15T14:00:00.000Z	56 \| moderate	12.076 \| good	17.191 \| good	14.443 \| good	0.594 \| good	19.071 \| good	0.741 \| good
2025-12-15T15:00:00.000Z	56 \| moderate	11.553 \| good	16.022 \| good	12.786 \| good	0.632 \| good	19.809 \| good	0.812 \| good
2025-12-15T16:00:00.000Z	52 \| moderate	10.212 \| good	14.029 \| good	11.71 \| good	0.922 \| good	22.58 \| good	0.943 \| good
2025-12-15T17:00:00.000Z	56 \| moderate	12.038 \| good	19.076 \| good	12.556 \| good	1.03 \| good	25.552 \| good	0.826 \| good
2025-12-15T18:00:00.000Z	60 \| moderate	13.521 \| fine	23.871 \| good	15.172 \| good	0.739 \| good	23.515 \| good	0.622 \| good
2025-12-15T19:00:00.000Z	60 \| moderate	13.713 \| fine	24.643 \| good	19.778 \| good	0.651 \| good	24.374 \| good	0.454 \| good
2025-12-15T20:00:00.000Z	62 \| moderate	14.859 \| fine	27.339 \| good	21.994 \| good	0.557 \| good	28.067 \| good	0.417 \| good
2025-12-15T21:00:00.000Z	62 \| moderate	14.853 \| fine	27.736 \| good	24.21 \| good	0.446 \| good	29.549 \| good	0.394 \| good
2025-12-15T22:00:00.000Z	62 \| moderate	15.253 \| fine	28.396 \| good	31.086 \| good	0.392 \| good	27.899 \| good	0.329 \| good
2025-12-15T23:00:00.000Z	62 \| moderate	14.953 \| fine	29.17 \| good	32.741 \| good	0.413 \| good	22.657 \| good	0.31 \| good
2025-12-16T00:00:00.000Z	58 \| moderate	13.364 \| fine	27.465 \| good	31.816 \| good	0.372 \| good	13.979 \| good	0.328 \| good
2025-12-16T00:00:00.000Z	54 \| moderate	11.355 \| good	24.868 \| good	33.657 \| good	0.406 \| good	21.139 \| good	0.255 \| good
2025-12-16T01:00:00.000Z	44 \| good	7.571 \| good	33.511 \| good	27.367 \| good	3.048 \| good	23.878 \| good	0.302 \| good
2025-12-16T02:00:00.000Z	62 \| moderate	15.38 \| fine	68.284 \| fine	14.851 \| good	3.014 \| good	27.759 \| good	0.352 \| good
2025-12-16T03:00:00.000Z	75 \| moderate	22.171 \| fine	96.939 \| fine	10.222 \| good	2.98 \| good	31.639 \| good	0.402 \| good
2025-12-16T04:00:00.000Z	82 \| moderate	26.454 \| fine	115.112 \| fine	9.099 \| good	2.822 \| good	30.466 \| good	0.407 \| good
2025-12-16T05:00:00.000Z	77 \| moderate	23.286 \| fine	101.78 \| fine	6.185 \| good	2.664 \| good	29.294 \| good	0.412 \| good
2025-12-16T06:00:00.000Z	75 \| moderate	22.205 \| fine	97.411 \| fine	5.721 \| good	2.507 \| good	28.122 \| good	0.417 \| good
2025-12-16T07:00:00.000Z	79 \| moderate	23.882 \| fine	104.607 \| fine	5.738 \| good	2.087 \| good	25.931 \| good	0.398 \| good
2025-12-16T08:00:00.000Z	71 \| moderate	20.428 \| fine	89.131 \| fine	6.947 \| good	1.668 \| good	23.74 \| good	0.379 \| good
2025-12-16T09:00:00.000Z	49 \| good	8.672 \| good	38.044 \| good	8.052 \| good	1.248 \| good	21.549 \| good	0.36 \| good
2025-12-16T10:00:00.000Z	27 \| good	4.547 \| good	20.008 \| good	16.349 \| good	1.186 \| good	20.105 \| good	0.33 \| good
2025-12-16T11:00:00.000Z	22 \| good	4.277 \| good	18.9 \| good	14.827 \| good	1.125 \| good	18.661 \| good	0.3 \| good
2025-12-16T12:00:00.000Z	16 \| good	3.243 \| good	13.453 \| good	15.001 \| good	1.063 \| good	17.217 \| good	0.27 \| good
2025-12-16T13:00:00.000Z	16 \| good	3.432 \| good	14.201 \| good	8.256 \| good	1.074 \| good	17.134 \| good	0.276 \| good
2025-12-16T14:00:00.000Z	27 \| good	5.025 \| good	21.898 \| good	5.958 \| good	1.086 \| good	17.051 \| good	0.282 \| good
2025-12-16T15:00:00.000Z	33 \| good	6.284 \| good	28.211 \| good	8.84 \| good	1.097 \| good	16.968 \| good	0.287 \| good
2025-12-16T16:00:00.000Z	38 \| good	7.4 \| good	32.927 \| good	11.565 \| good	1.296 \| good	16.361 \| good	0.294 \| good
2025-12-16T17:00:00.000Z	33 \| good	5.884 \| good	25.866 \| good	15.786 \| good	1.495 \| good	15.754 \| good	0.301 \| good
2025-12-16T18:00:00.000Z	21 \| good	3.228 \| good	13.403 \| good	23.229 \| good	1.695 \| good	15.148 \| good	0.307 \| good
2025-12-16T19:00:00.000Z	27 \| good	2.546 \| good	10.479 \| good	29.461 \| good	2.084 \| good	15.887 \| good	0.296 \| good
2025-12-16T20:00:00.000Z	33 \| good	5.53 \| good	24.084 \| good	33.591 \| good	2.474 \| good	16.627 \| good	0.286 \| good
2025-12-16T21:00:00.000Z	44 \| good	8.485 \| good	37.187 \| good	35.876 \| good	2.863 \| good	17.367 \| good	0.275 \| good
2025-12-16T22:00:00.000Z	56 \| moderate	12.105 \| fine	54.026 \| good	39.454 \| good	3.121 \| good	20.19 \| good	0.286 \| good
2025-12-16T23:00:00.000Z	64 \| moderate	15.557 \| fine	69.167 \| fine	39.142 \| good	3.379 \| good	23.013 \| good	0.296 \| good
2025-12-17T00:00:00.000Z	77 \| moderate	22.568 \| fine	99.326 \| fine	33.233 \| good	3.638 \| good	25.836 \| good	0.307 \| good
2025-12-17T01:00:00.000Z	84 \| moderate	26.894 \| fine	117.235 \| fine	21.535 \| good	3.745 \| good	29.372 \| good	0.381 \| good
2025-12-17T02:00:00.000Z	94 \| moderate	31.831 \| fine	138.72 \| fine	11.611 \| good	3.853 \| good	32.909 \| good	0.454 \| good
2025-12-17T03:00:00.000Z	92 \| moderate	30.675 \| fine	133.141 \| fine	7.685 \| good	3.961 \| good	36.445 \| good	0.528 \| good
2025-12-17T04:00:00.000Z	94 \| moderate	32.164 \| fine	140.199 \| fine	6.909 \| good	3.891 \| good	35.738 \| good	0.534 \| good
2025-12-17T05:00:00.000Z	96 \| moderate	32.743 \| fine	142.143 \| fine	7.103 \| good	3.822 \| good	35.03 \| good	0.539 \| good
2025-12-17T06:00:00.000Z	98 \| moderate	34.393 \| fine	149.613 \| fine	7.084 \| good	3.753 \| good	34.322 \| good	0.545 \| good
2025-12-17T07:00:00.000Z	97 \| moderate	33.573 \| fine	145.874 \| fine	7.165 \| good	3.284 \| good	32.637 \| good	0.517 \| good
2025-12-17T08:00:00.000Z	90 \| moderate	29.995 \| fine	131.017 \| fine	5.046 \| good	2.815 \| good	30.953 \| good	0.489 \| good
2025-12-17T09:00:00.000Z	71 \| moderate	19.554 \| fine	85.648 \| fine	4.856 \| good	2.346 \| good	29.268 \| good	0.461 \| good
2025-12-17T10:00:00.000Z	60 \| moderate	14.405 \| fine	64.171 \| fine	13.116 \| good	2.154 \| good	27.46 \| good	0.428 \| good
2025-12-17T11:00:00.000Z	71 \| moderate	20.01 \| fine	87.723 \| fine	12.555 \| good	1.962 \| good	25.653 \| good	0.395 \| good
2025-12-17T12:00:00.000Z	67 \| moderate	17.959 \| fine	78.886 \| fine	12.119 \| good	1.769 \| good	23.845 \| good	0.362 \| good
2025-12-17T13:00:00.000Z	66 \| moderate	16.656 \| fine	73.906 \| fine	7.589 \| good	1.761 \| good	23.094 \| good	0.362 \| good
2025-12-17T14:00:00.000Z	62 \| moderate	14.873 \| fine	66.136 \| fine	6.7 \| good	1.753 \| good	22.342 \| good	0.363 \| good
2025-12-17T15:00:00.000Z	64 \| moderate	16.014 \| fine	71.432 \| fine	7.552 \| good	1.745 \| good	21.59 \| good	0.363 \| good
2025-12-17T16:00:00.000Z	71 \| moderate	20.202 \| fine	89.153 \| fine	8.326 \| good	2.348 \| good	21.088 \| good	0.382 \| good
2025-12-17T17:00:00.000Z	69 \| moderate	19.139 \| fine	84.045 \| fine	13.222 \| good	2.95 \| good	20.585 \| good	0.401 \| good
2025-12-17T18:00:00.000Z	64 \| moderate	16.243 \| fine	71.468 \| fine	25.695 \| good	3.553 \| good	20.083 \| good	0.42 \| good
2025-12-17T19:00:00.000Z	58 \| moderate	13.087 \| fine	58.17 \| fine	38.371 \| good	3.927 \| good	21.443 \| good	0.41 \| good
2025-12-17T20:00:00.000Z	62 \| moderate	15.253 \| fine	67.971 \| fine	41.494 \| good	4.302 \| good	22.804 \| good	0.4 \| good
2025-12-17T21:00:00.000Z	54 \| moderate	11.396 \| good	50.71 \| good	41.126 \| good	4.677 \| good	24.164 \| good	0.39 \| good
2025-12-17T22:00:00.000Z	40 \| good	5.11 \| good	22.246 \| good	42.692 \| good	4.742 \| good	26.064 \| good	0.376 \| good
2025-12-17T23:00:00.000Z	40 \| good	3.295 \| good	14.093 \| good	43.397 \| good	4.807 \| good	27.963 \| good	0.363 \| good
2025-12-18T00:00:00.000Z	71 \| moderate	20.443 \| fine	21.888 \| good	16.627 \| good	4.85 \| good	29.768 \| good	0.35 \| good

Rancho San Diego

Empower business decisions with accurate air quality data

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

0.31ppm

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

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

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 04:00:00 on 2025-12-15.

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 54, currently categorized as Moderate.

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

The most common pollutant in Rancho San Diego, California is PM2.5.

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 11.355 μg/m³.

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

The current PM₁₀ levels in Rancho San Diego, California are 24.868 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 0.255 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 0.406 ppb.

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

The current ozone (O₃) levels at Rancho San Diego, California is 33.657 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 21.139 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-14T01:00:00.000Z	73 \| moderate	20.69 \| fine	35.733 \| good	37.121 \| good	0.284 \| good	23.274 \| good	0.488 \| good
2025-12-14T02:00:00.000Z	77 \| moderate	23.061 \| fine	37.857 \| good	34.939 \| good	0.401 \| good	23.371 \| good	0.605 \| good
2025-12-14T03:00:00.000Z	84 \| moderate	26.872 \| fine	43.65 \| good	33.28 \| good	0.431 \| good	15.936 \| good	0.74 \| good
2025-12-14T04:00:00.000Z	94 \| moderate	31.899 \| fine	51.243 \| good	29.886 \| good	0.561 \| good	14.046 \| good	0.734 \| good
2025-12-14T05:00:00.000Z	105 \| sensitive	37.347 \| moderate	60.586 \| fine	29.189 \| good	0.377 \| good	14.425 \| good	0.748 \| good
2025-12-14T06:00:00.000Z	107 \| sensitive	38.414 \| moderate	62.627 \| fine	25.108 \| good	0.593 \| good	16.154 \| good	0.796 \| good
2025-12-14T07:00:00.000Z	107 \| sensitive	38.414 \| moderate	62.627 \| fine	25.108 \| good	0.616 \| good	18.043 \| good	0.796 \| good
2025-12-14T08:00:00.000Z	105 \| sensitive	37.176 \| moderate	58.834 \| fine	21.028 \| good	0.804 \| good	21.46 \| good	0.878 \| good
2025-12-14T09:00:00.000Z	102 \| sensitive	36.179 \| moderate	56.191 \| fine	19.196 \| good	0.643 \| good	20.384 \| good	0.838 \| good
2025-12-14T10:00:00.000Z	88 \| moderate	29.381 \| fine	45.5 \| good	19.196 \| good	0.653 \| good	19.39 \| good	0.791 \| good
2025-12-14T11:00:00.000Z	79 \| moderate	23.657 \| fine	35.943 \| good	19.196 \| good	0.641 \| good	18.974 \| good	0.79 \| good
2025-12-14T12:00:00.000Z	73 \| moderate	21.467 \| fine	32.121 \| good	16.709 \| good	0.607 \| good	17.616 \| good	0.806 \| good
2025-12-14T13:00:00.000Z	73 \| moderate	21.467 \| fine	32.121 \| good	16.709 \| good	0.655 \| good	14.283 \| good	0.979 \| good
2025-12-14T14:00:00.000Z	67 \| moderate	17.781 \| fine	25.237 \| good	15.088 \| good	0.544 \| good	13.375 \| good	0.788 \| good
2025-12-14T15:00:00.000Z	64 \| moderate	15.752 \| fine	21.853 \| good	14.562 \| good	0.535 \| good	14.506 \| good	0.797 \| good
2025-12-14T16:00:00.000Z	60 \| moderate	13.813 \| fine	18.841 \| good	15.742 \| good	0.647 \| good	15.64 \| good	0.788 \| good
2025-12-14T17:00:00.000Z	60 \| moderate	13.828 \| fine	18.803 \| good	16.079 \| good	0.674 \| good	18.28 \| good	0.75 \| good
2025-12-14T18:00:00.000Z	62 \| moderate	15.161 \| fine	20.995 \| good	18.36 \| good	0.487 \| good	18.352 \| good	0.614 \| good
2025-12-14T19:00:00.000Z	64 \| moderate	15.682 \| fine	22.648 \| good	23.007 \| good	0.309 \| good	17.872 \| good	0.568 \| good
2025-12-14T20:00:00.000Z	66 \| moderate	16.621 \| fine	25.211 \| good	28.476 \| good	0.436 \| good	17.566 \| good	0.447 \| good
2025-12-14T21:00:00.000Z	69 \| moderate	18.833 \| fine	29.921 \| good	32.069 \| good	0.429 \| good	19.393 \| good	0.458 \| good
2025-12-14T22:00:00.000Z	73 \| moderate	20.571 \| fine	34.06 \| good	36.7 \| good	0.355 \| good	16.702 \| good	0.418 \| good
2025-12-14T23:00:00.000Z	71 \| moderate	19.991 \| fine	32.511 \| good	39.263 \| good	0.288 \| good	13.688 \| good	0.381 \| good
2025-12-15T00:00:00.000Z	67 \| moderate	18.032 \| fine	30.258 \| good	39.833 \| good	0.249 \| good	12.231 \| good	0.417 \| good
2025-12-15T01:00:00.000Z	64 \| moderate	16.455 \| fine	27.606 \| good	36.043 \| good	0.301 \| good	14.628 \| good	0.453 \| good
2025-12-15T02:00:00.000Z	66 \| moderate	17.453 \| fine	28.115 \| good	31.554 \| good	0.349 \| good	11.126 \| good	0.548 \| good
2025-12-15T03:00:00.000Z	71 \| moderate	20.486 \| fine	32.691 \| good	29.319 \| good	0.403 \| good	16.284 \| good	0.631 \| good
2025-12-15T04:00:00.000Z	81 \| moderate	24.531 \| fine	38.889 \| good	27.802 \| good	0.433 \| good	21.74 \| good	0.776 \| good
2025-12-15T05:00:00.000Z	84 \| moderate	27.254 \| fine	42.816 \| good	28.186 \| good	0.403 \| good	23.527 \| good	0.748 \| good
2025-12-15T06:00:00.000Z	90 \| moderate	29.865 \| fine	46.077 \| good	26.604 \| good	0.595 \| good	23.556 \| good	0.749 \| good
2025-12-15T07:00:00.000Z	92 \| moderate	30.969 \| fine	46.218 \| good	26.604 \| good	0.595 \| good	23.716 \| good	0.749 \| good
2025-12-15T08:00:00.000Z	90 \| moderate	30.401 \| fine	45.582 \| good	23.135 \| good	0.722 \| good	21.654 \| good	0.785 \| good
2025-12-15T09:00:00.000Z	86 \| moderate	28.334 \| fine	42.555 \| good	22.89 \| good	0.649 \| good	20.771 \| good	0.77 \| good
2025-12-15T10:00:00.000Z	79 \| moderate	23.921 \| fine	35.852 \| good	23.588 \| good	0.574 \| good	18.79 \| good	0.774 \| good
2025-12-15T11:00:00.000Z	71 \| moderate	19.669 \| fine	29.878 \| good	23.588 \| good	0.663 \| good	18.129 \| good	0.677 \| good
2025-12-15T12:00:00.000Z	64 \| moderate	15.881 \| fine	23.777 \| good	23.588 \| good	0.519 \| good	17.078 \| good	0.642 \| good
2025-12-15T13:00:00.000Z	64 \| moderate	15.881 \| fine	23.777 \| good	23.588 \| good	0.516 \| good	15.959 \| good	0.642 \| good
2025-12-15T14:00:00.000Z	56 \| moderate	12.076 \| good	17.191 \| good	14.443 \| good	0.594 \| good	19.071 \| good	0.741 \| good
2025-12-15T15:00:00.000Z	56 \| moderate	11.553 \| good	16.022 \| good	12.786 \| good	0.632 \| good	19.809 \| good	0.812 \| good
2025-12-15T16:00:00.000Z	52 \| moderate	10.212 \| good	14.029 \| good	11.71 \| good	0.922 \| good	22.58 \| good	0.943 \| good
2025-12-15T17:00:00.000Z	56 \| moderate	12.038 \| good	19.076 \| good	12.556 \| good	1.03 \| good	25.552 \| good	0.826 \| good
2025-12-15T18:00:00.000Z	60 \| moderate	13.521 \| fine	23.871 \| good	15.172 \| good	0.739 \| good	23.515 \| good	0.622 \| good
2025-12-15T19:00:00.000Z	60 \| moderate	13.713 \| fine	24.643 \| good	19.778 \| good	0.651 \| good	24.374 \| good	0.454 \| good
2025-12-15T20:00:00.000Z	62 \| moderate	14.859 \| fine	27.339 \| good	21.994 \| good	0.557 \| good	28.067 \| good	0.417 \| good
2025-12-15T21:00:00.000Z	62 \| moderate	14.853 \| fine	27.736 \| good	24.21 \| good	0.446 \| good	29.549 \| good	0.394 \| good
2025-12-15T22:00:00.000Z	62 \| moderate	15.253 \| fine	28.396 \| good	31.086 \| good	0.392 \| good	27.899 \| good	0.329 \| good
2025-12-15T23:00:00.000Z	62 \| moderate	14.953 \| fine	29.17 \| good	32.741 \| good	0.413 \| good	22.657 \| good	0.31 \| good
2025-12-16T00:00:00.000Z	58 \| moderate	13.364 \| fine	27.465 \| good	31.816 \| good	0.372 \| good	13.979 \| good	0.328 \| good
2025-12-16T00:00:00.000Z	54 \| moderate	11.355 \| good	24.868 \| good	33.657 \| good	0.406 \| good	21.139 \| good	0.255 \| good
2025-12-16T01:00:00.000Z	44 \| good	7.571 \| good	33.511 \| good	27.367 \| good	3.048 \| good	23.878 \| good	0.302 \| good
2025-12-16T02:00:00.000Z	62 \| moderate	15.38 \| fine	68.284 \| fine	14.851 \| good	3.014 \| good	27.759 \| good	0.352 \| good
2025-12-16T03:00:00.000Z	75 \| moderate	22.171 \| fine	96.939 \| fine	10.222 \| good	2.98 \| good	31.639 \| good	0.402 \| good
2025-12-16T04:00:00.000Z	82 \| moderate	26.454 \| fine	115.112 \| fine	9.099 \| good	2.822 \| good	30.466 \| good	0.407 \| good
2025-12-16T05:00:00.000Z	77 \| moderate	23.286 \| fine	101.78 \| fine	6.185 \| good	2.664 \| good	29.294 \| good	0.412 \| good
2025-12-16T06:00:00.000Z	75 \| moderate	22.205 \| fine	97.411 \| fine	5.721 \| good	2.507 \| good	28.122 \| good	0.417 \| good
2025-12-16T07:00:00.000Z	79 \| moderate	23.882 \| fine	104.607 \| fine	5.738 \| good	2.087 \| good	25.931 \| good	0.398 \| good
2025-12-16T08:00:00.000Z	71 \| moderate	20.428 \| fine	89.131 \| fine	6.947 \| good	1.668 \| good	23.74 \| good	0.379 \| good
2025-12-16T09:00:00.000Z	49 \| good	8.672 \| good	38.044 \| good	8.052 \| good	1.248 \| good	21.549 \| good	0.36 \| good
2025-12-16T10:00:00.000Z	27 \| good	4.547 \| good	20.008 \| good	16.349 \| good	1.186 \| good	20.105 \| good	0.33 \| good
2025-12-16T11:00:00.000Z	22 \| good	4.277 \| good	18.9 \| good	14.827 \| good	1.125 \| good	18.661 \| good	0.3 \| good
2025-12-16T12:00:00.000Z	16 \| good	3.243 \| good	13.453 \| good	15.001 \| good	1.063 \| good	17.217 \| good	0.27 \| good
2025-12-16T13:00:00.000Z	16 \| good	3.432 \| good	14.201 \| good	8.256 \| good	1.074 \| good	17.134 \| good	0.276 \| good
2025-12-16T14:00:00.000Z	27 \| good	5.025 \| good	21.898 \| good	5.958 \| good	1.086 \| good	17.051 \| good	0.282 \| good
2025-12-16T15:00:00.000Z	33 \| good	6.284 \| good	28.211 \| good	8.84 \| good	1.097 \| good	16.968 \| good	0.287 \| good
2025-12-16T16:00:00.000Z	38 \| good	7.4 \| good	32.927 \| good	11.565 \| good	1.296 \| good	16.361 \| good	0.294 \| good
2025-12-16T17:00:00.000Z	33 \| good	5.884 \| good	25.866 \| good	15.786 \| good	1.495 \| good	15.754 \| good	0.301 \| good
2025-12-16T18:00:00.000Z	21 \| good	3.228 \| good	13.403 \| good	23.229 \| good	1.695 \| good	15.148 \| good	0.307 \| good
2025-12-16T19:00:00.000Z	27 \| good	2.546 \| good	10.479 \| good	29.461 \| good	2.084 \| good	15.887 \| good	0.296 \| good
2025-12-16T20:00:00.000Z	33 \| good	5.53 \| good	24.084 \| good	33.591 \| good	2.474 \| good	16.627 \| good	0.286 \| good
2025-12-16T21:00:00.000Z	44 \| good	8.485 \| good	37.187 \| good	35.876 \| good	2.863 \| good	17.367 \| good	0.275 \| good
2025-12-16T22:00:00.000Z	56 \| moderate	12.105 \| fine	54.026 \| good	39.454 \| good	3.121 \| good	20.19 \| good	0.286 \| good
2025-12-16T23:00:00.000Z	64 \| moderate	15.557 \| fine	69.167 \| fine	39.142 \| good	3.379 \| good	23.013 \| good	0.296 \| good
2025-12-17T00:00:00.000Z	77 \| moderate	22.568 \| fine	99.326 \| fine	33.233 \| good	3.638 \| good	25.836 \| good	0.307 \| good
2025-12-17T01:00:00.000Z	84 \| moderate	26.894 \| fine	117.235 \| fine	21.535 \| good	3.745 \| good	29.372 \| good	0.381 \| good
2025-12-17T02:00:00.000Z	94 \| moderate	31.831 \| fine	138.72 \| fine	11.611 \| good	3.853 \| good	32.909 \| good	0.454 \| good
2025-12-17T03:00:00.000Z	92 \| moderate	30.675 \| fine	133.141 \| fine	7.685 \| good	3.961 \| good	36.445 \| good	0.528 \| good
2025-12-17T04:00:00.000Z	94 \| moderate	32.164 \| fine	140.199 \| fine	6.909 \| good	3.891 \| good	35.738 \| good	0.534 \| good
2025-12-17T05:00:00.000Z	96 \| moderate	32.743 \| fine	142.143 \| fine	7.103 \| good	3.822 \| good	35.03 \| good	0.539 \| good
2025-12-17T06:00:00.000Z	98 \| moderate	34.393 \| fine	149.613 \| fine	7.084 \| good	3.753 \| good	34.322 \| good	0.545 \| good
2025-12-17T07:00:00.000Z	97 \| moderate	33.573 \| fine	145.874 \| fine	7.165 \| good	3.284 \| good	32.637 \| good	0.517 \| good
2025-12-17T08:00:00.000Z	90 \| moderate	29.995 \| fine	131.017 \| fine	5.046 \| good	2.815 \| good	30.953 \| good	0.489 \| good
2025-12-17T09:00:00.000Z	71 \| moderate	19.554 \| fine	85.648 \| fine	4.856 \| good	2.346 \| good	29.268 \| good	0.461 \| good
2025-12-17T10:00:00.000Z	60 \| moderate	14.405 \| fine	64.171 \| fine	13.116 \| good	2.154 \| good	27.46 \| good	0.428 \| good
2025-12-17T11:00:00.000Z	71 \| moderate	20.01 \| fine	87.723 \| fine	12.555 \| good	1.962 \| good	25.653 \| good	0.395 \| good
2025-12-17T12:00:00.000Z	67 \| moderate	17.959 \| fine	78.886 \| fine	12.119 \| good	1.769 \| good	23.845 \| good	0.362 \| good
2025-12-17T13:00:00.000Z	66 \| moderate	16.656 \| fine	73.906 \| fine	7.589 \| good	1.761 \| good	23.094 \| good	0.362 \| good
2025-12-17T14:00:00.000Z	62 \| moderate	14.873 \| fine	66.136 \| fine	6.7 \| good	1.753 \| good	22.342 \| good	0.363 \| good
2025-12-17T15:00:00.000Z	64 \| moderate	16.014 \| fine	71.432 \| fine	7.552 \| good	1.745 \| good	21.59 \| good	0.363 \| good
2025-12-17T16:00:00.000Z	71 \| moderate	20.202 \| fine	89.153 \| fine	8.326 \| good	2.348 \| good	21.088 \| good	0.382 \| good
2025-12-17T17:00:00.000Z	69 \| moderate	19.139 \| fine	84.045 \| fine	13.222 \| good	2.95 \| good	20.585 \| good	0.401 \| good
2025-12-17T18:00:00.000Z	64 \| moderate	16.243 \| fine	71.468 \| fine	25.695 \| good	3.553 \| good	20.083 \| good	0.42 \| good
2025-12-17T19:00:00.000Z	58 \| moderate	13.087 \| fine	58.17 \| fine	38.371 \| good	3.927 \| good	21.443 \| good	0.41 \| good
2025-12-17T20:00:00.000Z	62 \| moderate	15.253 \| fine	67.971 \| fine	41.494 \| good	4.302 \| good	22.804 \| good	0.4 \| good
2025-12-17T21:00:00.000Z	54 \| moderate	11.396 \| good	50.71 \| good	41.126 \| good	4.677 \| good	24.164 \| good	0.39 \| good
2025-12-17T22:00:00.000Z	40 \| good	5.11 \| good	22.246 \| good	42.692 \| good	4.742 \| good	26.064 \| good	0.376 \| good
2025-12-17T23:00:00.000Z	40 \| good	3.295 \| good	14.093 \| good	43.397 \| good	4.807 \| good	27.963 \| good	0.363 \| good
2025-12-18T00:00:00.000Z	71 \| moderate	20.443 \| fine	21.888 \| good	16.627 \| good	4.85 \| good	29.768 \| good	0.35 \| 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?