What is the sulfur dioxide (SO2) level in Rancho Santa Margarita, California at the moment?

Currently, Rancho Santa Margarita, California has a sulfur dioxide (SO2) concentration of 0.733 ppb.

What is the nitrogen dioxide (NO2) level in Rancho Santa Margarita, California at the moment?

Nitrogen dioxide (NO2) level in Rancho Santa Margarita, California at the moment is 11.5 ppb.

Live air quality index in Rancho Santa Margarita, California today

Q: What is the PM2.5 level in Rancho Santa Margarita, California at the moment?

PM2.5 levels in Rancho Santa Margarita, California are currently 7.769 μg/m3.

Q: What is the PM10 level in Rancho Santa Margarita, California at the moment?

The PM10 concentration in Rancho Santa Margarita, California is 20.539 μg/m3 at the moment.

Stay updated with real-time air quality in Rancho Santa Margarita, 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 Santa Margarita, California

Last updated: ... (Local time)

Major air pollutants in Rancho Santa Margarita, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

7.77 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

20.54 μg/m³

155

255

425

605+

Ozone (O₃)

1.60 ppb

201

201+

Sulfur Dioxide (SO₂)

0.73 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

11.50 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.51 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Rancho Santa Margarita, California

Get Live Pollen Counts

Rancho Santa Margarita, California

Scroll To Air Quality Map

Track live Rancho Santa Margarita, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-05T14:00:00.000Z	22 \| good	3.638 \| good	7.226 \| good	18.943 \| good	0.553 \| good	17.676 \| good	0.539 \| good
2026-09-05T15:00:00.000Z	27 \| good	5.141 \| good	9.252 \| good	22.922 \| good	0.797 \| good	20.761 \| good	0.529 \| good
2026-09-05T16:00:00.000Z	33 \| good	6.423 \| good	12.192 \| good	27.919 \| good	0.699 \| good	22.769 \| good	0.49 \| good
2026-09-05T17:00:00.000Z	49 \| good	9.388 \| good	16.119 \| good	32.953 \| good	0.606 \| good	19.32 \| good	0.408 \| good
2026-09-05T18:00:00.000Z	49 \| good	9.284 \| good	18.081 \| good	38.932 \| good	0.572 \| good	12.877 \| good	0.421 \| good
2026-09-05T19:00:00.000Z	44 \| good	7.684 \| good	14.078 \| good	42.947 \| good	0.565 \| good	5.97 \| good	0.365 \| good
2026-09-05T20:00:00.000Z	44 \| good	5.992 \| good	12.092 \| good	47.956 \| good	0.546 \| good	4.138 \| good	0.326 \| good
2026-09-05T21:00:00.000Z	44 \| good	4.583 \| good	8.177 \| good	46.972 \| good	0.528 \| good	3.461 \| good	0.363 \| good
2026-09-05T22:00:00.000Z	43 \| good	4.485 \| good	6.163 \| good	46.001 \| good	0.471 \| good	3.981 \| good	0.326 \| good
2026-09-05T23:00:00.000Z	41 \| good	3.292 \| good	8.136 \| good	43.982 \| good	0.633 \| good	5.122 \| good	0.341 \| good
2026-09-06T00:00:00.000Z	38 \| good	1.7 \| good	6.108 \| good	40.974 \| good	0.677 \| good	5.835 \| good	0.328 \| good
2026-09-06T01:00:00.000Z	37 \| good	0.733 \| good	4.129 \| good	39.961 \| good	0.657 \| good	6.188 \| good	0.388 \| good
2026-09-06T02:00:00.000Z	36 \| good	2.601 \| good	6.145 \| good	38.958 \| good	0.641 \| good	6.648 \| good	0.425 \| good
2026-09-06T03:00:00.000Z	33 \| good	5.972 \| good	26.681 \| good	30.812 \| good	0.58 \| good	5.086 \| good	0.143 \| good
2026-09-06T04:00:00.000Z	31 \| good	5.293 \| good	11.099 \| good	33.986 \| good	0.548 \| good	8.324 \| good	0.491 \| good
2026-09-06T05:00:00.000Z	38 \| good	6.6 \| good	16.103 \| good	31.997 \| good	0.769 \| good	9.653 \| good	0.55 \| good
2026-09-06T06:00:00.000Z	49 \| good	8.687 \| good	19.087 \| good	32.962 \| good	0.598 \| good	13.629 \| good	0.565 \| good
2026-09-06T07:00:00.000Z	49 \| good	8.682 \| good	19.08 \| good	32.963 \| good	0.582 \| good	14.117 \| good	0.57 \| good
2026-09-06T08:00:00.000Z	33 \| good	6.428 \| good	20.144 \| good	25.966 \| good	0.584 \| good	17.057 \| good	0.61 \| good
2026-09-06T09:00:00.000Z	38 \| good	6.634 \| good	20.108 \| good	21.98 \| good	0.672 \| good	19.298 \| good	0.496 \| good
2026-09-06T10:00:00.000Z	38 \| good	6.632 \| good	20.135 \| good	21.987 \| good	0.675 \| good	19.471 \| good	0.496 \| good
2026-09-06T11:00:00.000Z	38 \| good	6.631 \| good	20.117 \| good	21.977 \| good	0.677 \| good	19.823 \| good	0.496 \| good
2026-09-06T12:00:00.000Z	66 \| moderate	16.816 \| fine	20.171 \| good	17.926 \| good	0.543 \| good	18.703 \| good	0.494 \| good
2026-09-06T13:00:00.000Z	66 \| moderate	16.815 \| fine	20.119 \| good	17.927 \| good	0.543 \| good	18.868 \| good	0.494 \| good
2026-09-06T14:00:00.000Z	58 \| moderate	12.861 \| fine	20.132 \| good	18.959 \| good	0.547 \| good	21.4 \| good	0.448 \| good
2026-09-06T15:00:00.000Z	58 \| moderate	12.857 \| fine	20.153 \| good	18.961 \| good	0.558 \| good	17.033 \| good	0.383 \| good
2026-09-06T16:00:00.000Z	54 \| moderate	10.877 \| good	22.026 \| good	18.974 \| good	0.514 \| good	11.582 \| good	0.373 \| good
2026-09-06T17:00:00.000Z	52 \| moderate	9.776 \| good	21.073 \| good	18.996 \| good	0.559 \| good	13.666 \| good	0.426 \| good
2026-09-06T18:00:00.000Z	49 \| good	9.188 \| good	19.08 \| good	19.986 \| good	0.514 \| good	16.264 \| good	0.42 \| good
2026-09-06T19:00:00.000Z	49 \| good	9.381 \| good	17.042 \| good	18.026 \| good	0.479 \| good	16.637 \| good	0.327 \| good
2026-09-06T20:00:00.000Z	38 \| good	7.297 \| good	12.058 \| good	16.035 \| good	0.471 \| good	15.941 \| good	0.332 \| good
2026-09-06T21:00:00.000Z	44 \| good	7.977 \| good	14.019 \| good	15.044 \| good	0.482 \| good	15.045 \| good	0.275 \| good
2026-09-06T22:00:00.000Z	38 \| good	7.084 \| good	12.015 \| good	16.034 \| good	0.473 \| good	12.408 \| good	0.275 \| good
2026-09-06T23:00:00.000Z	54 \| moderate	10.633 \| good	13.969 \| good	16.042 \| good	0.507 \| good	10.534 \| good	0.308 \| good
2026-09-07T00:00:00.000Z	52 \| moderate	10.146 \| good	17.056 \| good	18.01 \| good	0.528 \| good	10.2 \| good	0.325 \| good
2026-09-07T01:00:00.000Z	49 \| good	9.155 \| good	17.05 \| good	16.986 \| good	0.533 \| good	10.932 \| good	0.365 \| good
2026-09-07T02:00:00.000Z	49 \| good	8.651 \| good	13.037 \| good	15.971 \| good	0.473 \| good	12.222 \| good	0.384 \| good
2026-09-07T03:00:00.000Z	38 \| good	6.556 \| good	28.827 \| good	26.616 \| good	0.367 \| good	15.349 \| good	0.159 \| good
2026-09-07T04:00:00.000Z	52 \| moderate	10.063 \| good	14.044 \| good	8.997 \| good	0.493 \| good	17.352 \| good	0.502 \| good
2026-09-07T05:00:00.000Z	54 \| moderate	10.863 \| good	16.048 \| good	6.978 \| good	0.696 \| good	14.943 \| good	0.605 \| good
2026-09-07T06:00:00.000Z	52 \| moderate	9.875 \| good	17.083 \| good	4.001 \| good	0.601 \| good	11.689 \| good	0.635 \| good
2026-09-07T07:00:00.000Z	52 \| moderate	9.883 \| good	17.114 \| good	4.002 \| good	0.592 \| good	14.119 \| good	0.625 \| good
2026-09-07T08:00:00.000Z	52 \| moderate	10.257 \| good	18.061 \| good	1.033 \| good	0.628 \| good	12.967 \| good	0.554 \| good
2026-09-07T09:00:00.000Z	49 \| good	9.263 \| good	18.098 \| good	1.029 \| good	0.674 \| good	11.953 \| good	0.526 \| good
2026-09-07T10:00:00.000Z	49 \| good	9.165 \| good	16.078 \| good	4.969 \| good	0.603 \| good	10.978 \| good	0.427 \| good
2026-09-07T11:00:00.000Z	44 \| good	7.593 \| good	16.066 \| good	1.028 \| good	0.804 \| good	11.393 \| good	0.408 \| good
2026-09-07T12:00:00.000Z	38 \| good	6.734 \| good	18.153 \| good	1.018 \| good	0.716 \| good	10.849 \| good	0.506 \| good
2026-09-07T13:00:00.000Z	44 \| good	7.769 \| good	20.539 \| good	1.599 \| good	0.733 \| good	11.5 \| good	0.505 \| good
2026-09-07T14:00:00.000Z	54 \| moderate	11.297 \| good	49.901 \| good	11.466 \| good	0.594 \| good	21.663 \| good	0.224 \| good
2026-09-07T15:00:00.000Z	52 \| moderate	10.484 \| good	46.956 \| good	17.376 \| good	0.64 \| good	17.489 \| good	0.225 \| good
2026-09-07T16:00:00.000Z	52 \| moderate	9.823 \| good	43.911 \| good	25.735 \| good	0.649 \| good	14.833 \| good	0.202 \| good
2026-09-07T17:00:00.000Z	52 \| moderate	9.746 \| good	43.619 \| good	34.458 \| good	0.565 \| good	9.812 \| good	0.165 \| good
2026-09-07T18:00:00.000Z	49 \| good	8.63 \| good	37.595 \| good	42.1 \| good	0.455 \| good	5.977 \| good	0.144 \| good
2026-09-07T19:00:00.000Z	58 \| moderate	12.791 \| fine	57.445 \| fine	48.776 \| good	0.473 \| good	4.518 \| good	0.138 \| good
2026-09-07T20:00:00.000Z	54 \| moderate	11.398 \| good	50.858 \| good	54.733 \| good	0.55 \| good	3.842 \| good	0.137 \| good
2026-09-07T21:00:00.000Z	64 \| moderate	10.276 \| good	45.792 \| good	59.15 \| fine	0.647 \| good	3.358 \| good	0.136 \| good
2026-09-07T22:00:00.000Z	67 \| moderate	10.664 \| good	47.521 \| good	60.194 \| fine	0.775 \| good	3.208 \| good	0.138 \| good
2026-09-07T23:00:00.000Z	58 \| moderate	9.918 \| good	43.721 \| good	56.67 \| fine	0.92 \| good	3.172 \| good	0.137 \| good
2026-09-08T00:00:00.000Z	45 \| good	7.912 \| good	34.877 \| good	49.069 \| good	1.058 \| good	3.643 \| good	0.137 \| good
2026-09-08T01:00:00.000Z	34 \| good	5.672 \| good	24.687 \| good	36.589 \| good	1.19 \| good	5.295 \| good	0.143 \| good
2026-09-08T02:00:00.000Z	27 \| good	4.95 \| good	21.493 \| good	25.545 \| good	1.281 \| good	8.474 \| good	0.154 \| good
2026-09-08T03:00:00.000Z	33 \| good	5.648 \| good	24.238 \| good	20.661 \| good	1.357 \| good	12.439 \| good	0.17 \| good
2026-09-08T04:00:00.000Z	27 \| good	5.442 \| good	23.863 \| good	17.572 \| good	1.432 \| good	15.576 \| good	0.181 \| good
2026-09-08T05:00:00.000Z	27 \| good	5.403 \| good	23.513 \| good	15.881 \| good	1.49 \| good	18.54 \| good	0.191 \| good
2026-09-08T06:00:00.000Z	33 \| good	5.636 \| good	24.305 \| good	12.377 \| good	1.525 \| good	21.622 \| good	0.203 \| good
2026-09-08T07:00:00.000Z	27 \| good	5.202 \| good	22.685 \| good	10.103 \| good	1.52 \| good	24.289 \| good	0.215 \| good
2026-09-08T08:00:00.000Z	27 \| good	5.451 \| good	23.931 \| good	8.749 \| good	1.483 \| good	25.964 \| good	0.224 \| good
2026-09-08T09:00:00.000Z	27 \| good	5.425 \| good	23.397 \| good	9.225 \| good	1.417 \| good	26.636 \| good	0.228 \| good
2026-09-08T10:00:00.000Z	33 \| good	5.583 \| good	24.332 \| good	8.626 \| good	1.332 \| good	26.508 \| good	0.229 \| good
2026-09-08T11:00:00.000Z	33 \| good	6.351 \| good	28.314 \| good	8.477 \| good	1.267 \| good	25.941 \| good	0.228 \| good
2026-09-08T12:00:00.000Z	33 \| good	6.129 \| good	27.598 \| good	6.618 \| good	1.229 \| good	25.34 \| good	0.227 \| good
2026-09-08T13:00:00.000Z	38 \| good	6.832 \| good	30.27 \| good	4.468 \| good	1.238 \| good	24.942 \| good	0.226 \| good
2026-09-08T14:00:00.000Z	44 \| good	8.376 \| good	36.815 \| good	6.679 \| good	1.277 \| good	22.329 \| good	0.232 \| good
2026-09-08T15:00:00.000Z	49 \| good	8.967 \| good	39.405 \| good	13.943 \| good	1.29 \| good	18.569 \| good	0.247 \| good
2026-09-08T16:00:00.000Z	49 \| good	8.915 \| good	39.432 \| good	24.017 \| good	1.512 \| good	13.141 \| good	0.202 \| good
2026-09-08T17:00:00.000Z	52 \| moderate	9.895 \| good	44.164 \| good	34.387 \| good	1.533 \| good	10.021 \| good	0.178 \| good
2026-09-08T18:00:00.000Z	52 \| moderate	10.155 \| good	45.369 \| good	45.336 \| good	1.5 \| good	8.05 \| good	0.169 \| good
2026-09-08T19:00:00.000Z	52 \| moderate	10.285 \| good	46.05 \| good	53.72 \| good	1.454 \| good	6.701 \| good	0.166 \| good
2026-09-08T20:00:00.000Z	64 \| moderate	11.832 \| good	52.467 \| good	59.414 \| fine	1.417 \| good	5.682 \| good	0.165 \| good
2026-09-08T21:00:00.000Z	71 \| moderate	10.621 \| good	46.811 \| good	61.428 \| fine	1.434 \| good	5.168 \| good	0.166 \| good
2026-09-08T22:00:00.000Z	67 \| moderate	8.756 \| good	38.303 \| good	59.535 \| fine	1.457 \| good	4.824 \| good	0.165 \| good
2026-09-08T23:00:00.000Z	51 \| moderate	6.804 \| good	29.918 \| good	54.773 \| good	1.453 \| good	4.8 \| good	0.163 \| good
2026-09-09T00:00:00.000Z	45 \| good	6.151 \| good	27.282 \| good	48.66 \| good	1.384 \| good	5.284 \| good	0.159 \| good
2026-09-09T01:00:00.000Z	37 \| good	5.522 \| good	23.57 \| good	40.45 \| good	1.284 \| good	6.877 \| good	0.159 \| good
2026-09-09T02:00:00.000Z	33 \| good	6.164 \| good	27.41 \| good	27.858 \| good	1.164 \| good	10.654 \| good	0.17 \| good
2026-09-09T03:00:00.000Z	33 \| good	5.62 \| good	24.486 \| good	24.366 \| good	1.079 \| good	13.721 \| good	0.18 \| good
2026-09-09T04:00:00.000Z	33 \| good	6.075 \| good	27.093 \| good	20.706 \| good	1.018 \| good	16.671 \| good	0.191 \| good
2026-09-09T05:00:00.000Z	38 \| good	7.016 \| good	31.108 \| good	19.361 \| good	0.973 \| good	19.508 \| good	0.204 \| good
2026-09-09T06:00:00.000Z	38 \| good	7.061 \| good	31.22 \| good	18.822 \| good	0.894 \| good	21.033 \| good	0.214 \| good
2026-09-09T07:00:00.000Z	44 \| good	7.582 \| good	33.332 \| good	17.581 \| good	0.812 \| good	19.576 \| good	0.212 \| good
2026-09-09T08:00:00.000Z	49 \| good	8.894 \| good	39.185 \| good	15.646 \| good	0.727 \| good	18.884 \| good	0.213 \| good
2026-09-09T09:00:00.000Z	49 \| good	8.763 \| good	38.491 \| good	14.26 \| good	0.669 \| good	19.152 \| good	0.216 \| good
2026-09-09T10:00:00.000Z	52 \| moderate	10.354 \| good	45.84 \| good	14.747 \| good	0.625 \| good	19.153 \| good	0.217 \| good
2026-09-09T11:00:00.000Z	54 \| moderate	11.335 \| good	50.198 \| good	15.263 \| good	0.585 \| good	18.484 \| good	0.216 \| good
2026-09-09T12:00:00.000Z	58 \| moderate	13.284 \| fine	14.696 \| good	11.229 \| good	0.541 \| good	17.575 \| good	0.215 \| good
2026-09-09T13:00:00.000Z	58 \| moderate	12.895 \| fine	14.177 \| good	10.18 \| good	0.5 \| good	17.044 \| good	0.214 \| good

Rancho Santa Margarita

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Rancho Santa Margarita, California air quality map: Stay updated on AQI near you

0.51ppm

How accurate is California, USA air quality data?

Air quality and pollutant data for California, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

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Frequently asked questions

How often is air quality information updated for Rancho Santa Margarita, California?

The air quality information for Rancho Santa Margarita, California is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Rancho Santa Margarita, California at its worst?

In the past 24 hours, the air quality in Rancho Santa Margarita, California was at its worst at 01:00:00 on 2026-09-06.

When did Rancho Santa Margarita, California experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Rancho Santa Margarita, California was observed at 12:00:00 on 2026-09-07.

What is the AQI in Rancho Santa Margarita, California right now?

As of now, the AQI in Rancho Santa Margarita, California is 44, indicating Good conditions.

What is the most common type of pollution in Rancho Santa Margarita, California?

Rancho Santa Margarita, California air has the highest levels of PM2.5.

What should I do in case of poor air quality in Rancho Santa Margarita, California?

Poor air quality in Rancho Santa Margarita, California means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in Rancho Santa Margarita, California at the moment?

PM_2.5 levels in Rancho Santa Margarita, California are currently 7.769 μg/m³.

What is the PM₁₀ level in Rancho Santa Margarita, California at the moment?

The PM₁₀ concentration in Rancho Santa Margarita, California is 20.539 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Rancho Santa Margarita, California at the moment?

The current carbon monoxide (CO) concentration in Rancho Santa Margarita, California is 0.505 ppm.

What is the sulfur dioxide (SO₂) level in Rancho Santa Margarita, California at the moment?

Currently, Rancho Santa Margarita, California has a sulfur dioxide (SO₂) concentration of 0.733 ppb.

What is the ozone (O₃) level in Rancho Santa Margarita, California at the moment?

The current ozone (O₃) level in Rancho Santa Margarita, California at the moment is 1.599 ppm.

What is the nitrogen dioxide (NO₂) level in Rancho Santa Margarita, California at the moment?

Nitrogen dioxide (NO₂) level in Rancho Santa Margarita, California at the moment is 11.5 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-05T14:00:00.000Z	22 \| good	3.638 \| good	7.226 \| good	18.943 \| good	0.553 \| good	17.676 \| good	0.539 \| good
2026-09-05T15:00:00.000Z	27 \| good	5.141 \| good	9.252 \| good	22.922 \| good	0.797 \| good	20.761 \| good	0.529 \| good
2026-09-05T16:00:00.000Z	33 \| good	6.423 \| good	12.192 \| good	27.919 \| good	0.699 \| good	22.769 \| good	0.49 \| good
2026-09-05T17:00:00.000Z	49 \| good	9.388 \| good	16.119 \| good	32.953 \| good	0.606 \| good	19.32 \| good	0.408 \| good
2026-09-05T18:00:00.000Z	49 \| good	9.284 \| good	18.081 \| good	38.932 \| good	0.572 \| good	12.877 \| good	0.421 \| good
2026-09-05T19:00:00.000Z	44 \| good	7.684 \| good	14.078 \| good	42.947 \| good	0.565 \| good	5.97 \| good	0.365 \| good
2026-09-05T20:00:00.000Z	44 \| good	5.992 \| good	12.092 \| good	47.956 \| good	0.546 \| good	4.138 \| good	0.326 \| good
2026-09-05T21:00:00.000Z	44 \| good	4.583 \| good	8.177 \| good	46.972 \| good	0.528 \| good	3.461 \| good	0.363 \| good
2026-09-05T22:00:00.000Z	43 \| good	4.485 \| good	6.163 \| good	46.001 \| good	0.471 \| good	3.981 \| good	0.326 \| good
2026-09-05T23:00:00.000Z	41 \| good	3.292 \| good	8.136 \| good	43.982 \| good	0.633 \| good	5.122 \| good	0.341 \| good
2026-09-06T00:00:00.000Z	38 \| good	1.7 \| good	6.108 \| good	40.974 \| good	0.677 \| good	5.835 \| good	0.328 \| good
2026-09-06T01:00:00.000Z	37 \| good	0.733 \| good	4.129 \| good	39.961 \| good	0.657 \| good	6.188 \| good	0.388 \| good
2026-09-06T02:00:00.000Z	36 \| good	2.601 \| good	6.145 \| good	38.958 \| good	0.641 \| good	6.648 \| good	0.425 \| good
2026-09-06T03:00:00.000Z	33 \| good	5.972 \| good	26.681 \| good	30.812 \| good	0.58 \| good	5.086 \| good	0.143 \| good
2026-09-06T04:00:00.000Z	31 \| good	5.293 \| good	11.099 \| good	33.986 \| good	0.548 \| good	8.324 \| good	0.491 \| good
2026-09-06T05:00:00.000Z	38 \| good	6.6 \| good	16.103 \| good	31.997 \| good	0.769 \| good	9.653 \| good	0.55 \| good
2026-09-06T06:00:00.000Z	49 \| good	8.687 \| good	19.087 \| good	32.962 \| good	0.598 \| good	13.629 \| good	0.565 \| good
2026-09-06T07:00:00.000Z	49 \| good	8.682 \| good	19.08 \| good	32.963 \| good	0.582 \| good	14.117 \| good	0.57 \| good
2026-09-06T08:00:00.000Z	33 \| good	6.428 \| good	20.144 \| good	25.966 \| good	0.584 \| good	17.057 \| good	0.61 \| good
2026-09-06T09:00:00.000Z	38 \| good	6.634 \| good	20.108 \| good	21.98 \| good	0.672 \| good	19.298 \| good	0.496 \| good
2026-09-06T10:00:00.000Z	38 \| good	6.632 \| good	20.135 \| good	21.987 \| good	0.675 \| good	19.471 \| good	0.496 \| good
2026-09-06T11:00:00.000Z	38 \| good	6.631 \| good	20.117 \| good	21.977 \| good	0.677 \| good	19.823 \| good	0.496 \| good
2026-09-06T12:00:00.000Z	66 \| moderate	16.816 \| fine	20.171 \| good	17.926 \| good	0.543 \| good	18.703 \| good	0.494 \| good
2026-09-06T13:00:00.000Z	66 \| moderate	16.815 \| fine	20.119 \| good	17.927 \| good	0.543 \| good	18.868 \| good	0.494 \| good
2026-09-06T14:00:00.000Z	58 \| moderate	12.861 \| fine	20.132 \| good	18.959 \| good	0.547 \| good	21.4 \| good	0.448 \| good
2026-09-06T15:00:00.000Z	58 \| moderate	12.857 \| fine	20.153 \| good	18.961 \| good	0.558 \| good	17.033 \| good	0.383 \| good
2026-09-06T16:00:00.000Z	54 \| moderate	10.877 \| good	22.026 \| good	18.974 \| good	0.514 \| good	11.582 \| good	0.373 \| good
2026-09-06T17:00:00.000Z	52 \| moderate	9.776 \| good	21.073 \| good	18.996 \| good	0.559 \| good	13.666 \| good	0.426 \| good
2026-09-06T18:00:00.000Z	49 \| good	9.188 \| good	19.08 \| good	19.986 \| good	0.514 \| good	16.264 \| good	0.42 \| good
2026-09-06T19:00:00.000Z	49 \| good	9.381 \| good	17.042 \| good	18.026 \| good	0.479 \| good	16.637 \| good	0.327 \| good
2026-09-06T20:00:00.000Z	38 \| good	7.297 \| good	12.058 \| good	16.035 \| good	0.471 \| good	15.941 \| good	0.332 \| good
2026-09-06T21:00:00.000Z	44 \| good	7.977 \| good	14.019 \| good	15.044 \| good	0.482 \| good	15.045 \| good	0.275 \| good
2026-09-06T22:00:00.000Z	38 \| good	7.084 \| good	12.015 \| good	16.034 \| good	0.473 \| good	12.408 \| good	0.275 \| good
2026-09-06T23:00:00.000Z	54 \| moderate	10.633 \| good	13.969 \| good	16.042 \| good	0.507 \| good	10.534 \| good	0.308 \| good
2026-09-07T00:00:00.000Z	52 \| moderate	10.146 \| good	17.056 \| good	18.01 \| good	0.528 \| good	10.2 \| good	0.325 \| good
2026-09-07T01:00:00.000Z	49 \| good	9.155 \| good	17.05 \| good	16.986 \| good	0.533 \| good	10.932 \| good	0.365 \| good
2026-09-07T02:00:00.000Z	49 \| good	8.651 \| good	13.037 \| good	15.971 \| good	0.473 \| good	12.222 \| good	0.384 \| good
2026-09-07T03:00:00.000Z	38 \| good	6.556 \| good	28.827 \| good	26.616 \| good	0.367 \| good	15.349 \| good	0.159 \| good
2026-09-07T04:00:00.000Z	52 \| moderate	10.063 \| good	14.044 \| good	8.997 \| good	0.493 \| good	17.352 \| good	0.502 \| good
2026-09-07T05:00:00.000Z	54 \| moderate	10.863 \| good	16.048 \| good	6.978 \| good	0.696 \| good	14.943 \| good	0.605 \| good
2026-09-07T06:00:00.000Z	52 \| moderate	9.875 \| good	17.083 \| good	4.001 \| good	0.601 \| good	11.689 \| good	0.635 \| good
2026-09-07T07:00:00.000Z	52 \| moderate	9.883 \| good	17.114 \| good	4.002 \| good	0.592 \| good	14.119 \| good	0.625 \| good
2026-09-07T08:00:00.000Z	52 \| moderate	10.257 \| good	18.061 \| good	1.033 \| good	0.628 \| good	12.967 \| good	0.554 \| good
2026-09-07T09:00:00.000Z	49 \| good	9.263 \| good	18.098 \| good	1.029 \| good	0.674 \| good	11.953 \| good	0.526 \| good
2026-09-07T10:00:00.000Z	49 \| good	9.165 \| good	16.078 \| good	4.969 \| good	0.603 \| good	10.978 \| good	0.427 \| good
2026-09-07T11:00:00.000Z	44 \| good	7.593 \| good	16.066 \| good	1.028 \| good	0.804 \| good	11.393 \| good	0.408 \| good
2026-09-07T12:00:00.000Z	38 \| good	6.734 \| good	18.153 \| good	1.018 \| good	0.716 \| good	10.849 \| good	0.506 \| good
2026-09-07T13:00:00.000Z	44 \| good	7.769 \| good	20.539 \| good	1.599 \| good	0.733 \| good	11.5 \| good	0.505 \| good
2026-09-07T14:00:00.000Z	54 \| moderate	11.297 \| good	49.901 \| good	11.466 \| good	0.594 \| good	21.663 \| good	0.224 \| good
2026-09-07T15:00:00.000Z	52 \| moderate	10.484 \| good	46.956 \| good	17.376 \| good	0.64 \| good	17.489 \| good	0.225 \| good
2026-09-07T16:00:00.000Z	52 \| moderate	9.823 \| good	43.911 \| good	25.735 \| good	0.649 \| good	14.833 \| good	0.202 \| good
2026-09-07T17:00:00.000Z	52 \| moderate	9.746 \| good	43.619 \| good	34.458 \| good	0.565 \| good	9.812 \| good	0.165 \| good
2026-09-07T18:00:00.000Z	49 \| good	8.63 \| good	37.595 \| good	42.1 \| good	0.455 \| good	5.977 \| good	0.144 \| good
2026-09-07T19:00:00.000Z	58 \| moderate	12.791 \| fine	57.445 \| fine	48.776 \| good	0.473 \| good	4.518 \| good	0.138 \| good
2026-09-07T20:00:00.000Z	54 \| moderate	11.398 \| good	50.858 \| good	54.733 \| good	0.55 \| good	3.842 \| good	0.137 \| good
2026-09-07T21:00:00.000Z	64 \| moderate	10.276 \| good	45.792 \| good	59.15 \| fine	0.647 \| good	3.358 \| good	0.136 \| good
2026-09-07T22:00:00.000Z	67 \| moderate	10.664 \| good	47.521 \| good	60.194 \| fine	0.775 \| good	3.208 \| good	0.138 \| good
2026-09-07T23:00:00.000Z	58 \| moderate	9.918 \| good	43.721 \| good	56.67 \| fine	0.92 \| good	3.172 \| good	0.137 \| good
2026-09-08T00:00:00.000Z	45 \| good	7.912 \| good	34.877 \| good	49.069 \| good	1.058 \| good	3.643 \| good	0.137 \| good
2026-09-08T01:00:00.000Z	34 \| good	5.672 \| good	24.687 \| good	36.589 \| good	1.19 \| good	5.295 \| good	0.143 \| good
2026-09-08T02:00:00.000Z	27 \| good	4.95 \| good	21.493 \| good	25.545 \| good	1.281 \| good	8.474 \| good	0.154 \| good
2026-09-08T03:00:00.000Z	33 \| good	5.648 \| good	24.238 \| good	20.661 \| good	1.357 \| good	12.439 \| good	0.17 \| good
2026-09-08T04:00:00.000Z	27 \| good	5.442 \| good	23.863 \| good	17.572 \| good	1.432 \| good	15.576 \| good	0.181 \| good
2026-09-08T05:00:00.000Z	27 \| good	5.403 \| good	23.513 \| good	15.881 \| good	1.49 \| good	18.54 \| good	0.191 \| good
2026-09-08T06:00:00.000Z	33 \| good	5.636 \| good	24.305 \| good	12.377 \| good	1.525 \| good	21.622 \| good	0.203 \| good
2026-09-08T07:00:00.000Z	27 \| good	5.202 \| good	22.685 \| good	10.103 \| good	1.52 \| good	24.289 \| good	0.215 \| good
2026-09-08T08:00:00.000Z	27 \| good	5.451 \| good	23.931 \| good	8.749 \| good	1.483 \| good	25.964 \| good	0.224 \| good
2026-09-08T09:00:00.000Z	27 \| good	5.425 \| good	23.397 \| good	9.225 \| good	1.417 \| good	26.636 \| good	0.228 \| good
2026-09-08T10:00:00.000Z	33 \| good	5.583 \| good	24.332 \| good	8.626 \| good	1.332 \| good	26.508 \| good	0.229 \| good
2026-09-08T11:00:00.000Z	33 \| good	6.351 \| good	28.314 \| good	8.477 \| good	1.267 \| good	25.941 \| good	0.228 \| good
2026-09-08T12:00:00.000Z	33 \| good	6.129 \| good	27.598 \| good	6.618 \| good	1.229 \| good	25.34 \| good	0.227 \| good
2026-09-08T13:00:00.000Z	38 \| good	6.832 \| good	30.27 \| good	4.468 \| good	1.238 \| good	24.942 \| good	0.226 \| good
2026-09-08T14:00:00.000Z	44 \| good	8.376 \| good	36.815 \| good	6.679 \| good	1.277 \| good	22.329 \| good	0.232 \| good
2026-09-08T15:00:00.000Z	49 \| good	8.967 \| good	39.405 \| good	13.943 \| good	1.29 \| good	18.569 \| good	0.247 \| good
2026-09-08T16:00:00.000Z	49 \| good	8.915 \| good	39.432 \| good	24.017 \| good	1.512 \| good	13.141 \| good	0.202 \| good
2026-09-08T17:00:00.000Z	52 \| moderate	9.895 \| good	44.164 \| good	34.387 \| good	1.533 \| good	10.021 \| good	0.178 \| good
2026-09-08T18:00:00.000Z	52 \| moderate	10.155 \| good	45.369 \| good	45.336 \| good	1.5 \| good	8.05 \| good	0.169 \| good
2026-09-08T19:00:00.000Z	52 \| moderate	10.285 \| good	46.05 \| good	53.72 \| good	1.454 \| good	6.701 \| good	0.166 \| good
2026-09-08T20:00:00.000Z	64 \| moderate	11.832 \| good	52.467 \| good	59.414 \| fine	1.417 \| good	5.682 \| good	0.165 \| good
2026-09-08T21:00:00.000Z	71 \| moderate	10.621 \| good	46.811 \| good	61.428 \| fine	1.434 \| good	5.168 \| good	0.166 \| good
2026-09-08T22:00:00.000Z	67 \| moderate	8.756 \| good	38.303 \| good	59.535 \| fine	1.457 \| good	4.824 \| good	0.165 \| good
2026-09-08T23:00:00.000Z	51 \| moderate	6.804 \| good	29.918 \| good	54.773 \| good	1.453 \| good	4.8 \| good	0.163 \| good
2026-09-09T00:00:00.000Z	45 \| good	6.151 \| good	27.282 \| good	48.66 \| good	1.384 \| good	5.284 \| good	0.159 \| good
2026-09-09T01:00:00.000Z	37 \| good	5.522 \| good	23.57 \| good	40.45 \| good	1.284 \| good	6.877 \| good	0.159 \| good
2026-09-09T02:00:00.000Z	33 \| good	6.164 \| good	27.41 \| good	27.858 \| good	1.164 \| good	10.654 \| good	0.17 \| good
2026-09-09T03:00:00.000Z	33 \| good	5.62 \| good	24.486 \| good	24.366 \| good	1.079 \| good	13.721 \| good	0.18 \| good
2026-09-09T04:00:00.000Z	33 \| good	6.075 \| good	27.093 \| good	20.706 \| good	1.018 \| good	16.671 \| good	0.191 \| good
2026-09-09T05:00:00.000Z	38 \| good	7.016 \| good	31.108 \| good	19.361 \| good	0.973 \| good	19.508 \| good	0.204 \| good
2026-09-09T06:00:00.000Z	38 \| good	7.061 \| good	31.22 \| good	18.822 \| good	0.894 \| good	21.033 \| good	0.214 \| good
2026-09-09T07:00:00.000Z	44 \| good	7.582 \| good	33.332 \| good	17.581 \| good	0.812 \| good	19.576 \| good	0.212 \| good
2026-09-09T08:00:00.000Z	49 \| good	8.894 \| good	39.185 \| good	15.646 \| good	0.727 \| good	18.884 \| good	0.213 \| good
2026-09-09T09:00:00.000Z	49 \| good	8.763 \| good	38.491 \| good	14.26 \| good	0.669 \| good	19.152 \| good	0.216 \| good
2026-09-09T10:00:00.000Z	52 \| moderate	10.354 \| good	45.84 \| good	14.747 \| good	0.625 \| good	19.153 \| good	0.217 \| good
2026-09-09T11:00:00.000Z	54 \| moderate	11.335 \| good	50.198 \| good	15.263 \| good	0.585 \| good	18.484 \| good	0.216 \| good
2026-09-09T12:00:00.000Z	58 \| moderate	13.284 \| fine	14.696 \| good	11.229 \| good	0.541 \| good	17.575 \| good	0.215 \| good
2026-09-09T13:00:00.000Z	58 \| moderate	12.895 \| fine	14.177 \| good	10.18 \| good	0.5 \| good	17.044 \| good	0.214 \| good

Live air quality index in Rancho Santa Margarita, California today

Major air pollutants in Rancho Santa Margarita, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Rancho Santa Margarita, California air quality map: Stay updated on AQI near you

Air quality in nearby cities

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Frequently asked questions

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What is the PM2.5 level in Rancho Santa Margarita, California at the moment?

What is the PM10 level in Rancho Santa Margarita, California at the moment?

What is the carbon monoxide (CO) level in Rancho Santa Margarita, California at the moment?

What is the sulfur dioxide (SO2) level in Rancho Santa Margarita, California at the moment?

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 level in Rancho Santa Margarita, California at the moment?

What is the PM₁₀ level in Rancho Santa Margarita, California at the moment?

What is the sulfur dioxide (SO₂) level in Rancho Santa Margarita, California at the moment?

What is the ozone (O₃) level in Rancho Santa Margarita, California at the moment?

What is the nitrogen dioxide (NO₂) level in Rancho Santa Margarita, California at the moment?