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 0.404 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 5.69 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 11.72 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 23.753 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)

Moderate

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)

11.72 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

23.75 μg/m³

155

255

425

605+

Ozone (O₃)

39.09 ppb

201

201+

Sulfur Dioxide (SO₂)

0.40 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.69 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.23 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
2026-06-06T18:00:00.000Z	52 \| moderate	10.034 \| good	16.482 \| good	38.065 \| good	0.3 \| good	5.207 \| good	0.24 \| good
2026-06-06T19:00:00.000Z	54 \| moderate	10.975 \| good	19.245 \| good	39.978 \| good	0.39 \| good	5.513 \| good	0.271 \| good
2026-06-06T20:00:00.000Z	54 \| moderate	10.924 \| good	23.375 \| good	43.005 \| good	0.451 \| good	5.027 \| good	0.24 \| good
2026-06-06T21:00:00.000Z	56 \| moderate	12.215 \| fine	25.561 \| good	43.748 \| good	0.445 \| good	4.383 \| good	0.24 \| good
2026-06-06T22:00:00.000Z	56 \| moderate	12.287 \| fine	23.062 \| good	42.95 \| good	0.483 \| good	4.986 \| good	0.234 \| good
2026-06-06T23:00:00.000Z	54 \| moderate	11.054 \| good	22.303 \| good	43.34 \| good	0.353 \| good	4.712 \| good	0.228 \| good
2026-06-07T00:00:00.000Z	54 \| moderate	10.755 \| good	21.384 \| good	44.876 \| good	0.419 \| good	3.977 \| good	0.228 \| good
2026-06-07T01:00:00.000Z	52 \| moderate	10.177 \| good	20.516 \| good	45.701 \| good	0.404 \| good	4.231 \| good	0.228 \| good
2026-06-07T02:00:00.000Z	56 \| moderate	11.694 \| good	23.101 \| good	44.318 \| good	0.36 \| good	3.138 \| good	0.228 \| good
2026-06-07T03:00:00.000Z	54 \| moderate	11.269 \| good	21.158 \| good	43.278 \| good	0.328 \| good	4.431 \| good	0.26 \| good
2026-06-07T04:00:00.000Z	56 \| moderate	11.92 \| good	21.714 \| good	43.647 \| good	0.472 \| good	4.933 \| good	0.26 \| good
2026-06-07T05:00:00.000Z	54 \| moderate	11.171 \| good	20.852 \| good	43.164 \| good	0.469 \| good	3.639 \| good	0.228 \| good
2026-06-07T06:00:00.000Z	56 \| moderate	12.2 \| fine	17.527 \| good	43.21 \| good	0.408 \| good	2.859 \| good	0.271 \| good
2026-06-07T07:00:00.000Z	56 \| moderate	12.227 \| fine	16.96 \| good	42.027 \| good	0.399 \| good	4.363 \| good	0.271 \| good
2026-06-07T08:00:00.000Z	49 \| good	9.036 \| good	15.122 \| good	41.013 \| good	0.398 \| good	5.672 \| good	0.2 \| good
2026-06-07T09:00:00.000Z	44 \| good	7.99 \| good	16.465 \| good	41.626 \| good	0.409 \| good	6.064 \| good	0.218 \| good
2026-06-07T10:00:00.000Z	44 \| good	8.017 \| good	16.167 \| good	41.699 \| good	0.41 \| good	6.423 \| good	0.221 \| good
2026-06-07T11:00:00.000Z	44 \| good	7.991 \| good	15.922 \| good	41.68 \| good	0.41 \| good	6.242 \| good	0.221 \| good
2026-06-07T12:00:00.000Z	44 \| good	7.991 \| good	18.455 \| good	40.275 \| good	0.264 \| good	4.944 \| good	0.175 \| good
2026-06-07T13:00:00.000Z	44 \| good	8.059 \| good	18.445 \| good	40.098 \| good	0.264 \| good	5.09 \| good	0.175 \| good
2026-06-07T14:00:00.000Z	49 \| good	8.764 \| good	19.932 \| good	39.401 \| good	0.335 \| good	5.603 \| good	0.238 \| good
2026-06-07T15:00:00.000Z	44 \| good	8.366 \| good	20.726 \| good	38.069 \| good	0.391 \| good	3.651 \| good	0.206 \| good
2026-06-07T16:00:00.000Z	44 \| good	8.27 \| good	19.234 \| good	38.348 \| good	0.326 \| good	3.618 \| good	0.238 \| good
2026-06-07T17:00:00.000Z	49 \| good	8.592 \| good	20.013 \| good	39.483 \| good	0.352 \| good	3.125 \| good	0.206 \| good
2026-06-07T18:00:00.000Z	44 \| good	8.407 \| good	19.386 \| good	41.481 \| good	0.383 \| good	3.319 \| good	0.206 \| good
2026-06-07T19:00:00.000Z	49 \| good	8.552 \| good	20.108 \| good	42.907 \| good	0.337 \| good	3.033 \| good	0.206 \| good
2026-06-07T20:00:00.000Z	49 \| good	8.957 \| good	21.699 \| good	43.244 \| good	0.395 \| good	3.562 \| good	0.206 \| good
2026-06-07T21:00:00.000Z	44 \| good	8.479 \| good	19.615 \| good	44.25 \| good	0.484 \| good	3.341 \| good	0.206 \| good
2026-06-07T22:00:00.000Z	44 \| good	8.477 \| good	20.22 \| good	44.96 \| good	0.532 \| good	3.648 \| good	0.228 \| good
2026-06-07T23:00:00.000Z	49 \| good	8.588 \| good	22.055 \| good	44.842 \| good	0.472 \| good	3.634 \| good	0.206 \| good
2026-06-08T00:00:00.000Z	44 \| good	8.496 \| good	21.593 \| good	44.881 \| good	0.329 \| good	3.413 \| good	0.206 \| good
2026-06-08T01:00:00.000Z	44 \| good	8.406 \| good	20.871 \| good	42.963 \| good	0.543 \| good	3.491 \| good	0.228 \| good
2026-06-08T02:00:00.000Z	49 \| good	8.67 \| good	20.962 \| good	42.655 \| good	0.413 \| good	3.964 \| good	0.228 \| good
2026-06-08T03:00:00.000Z	52 \| moderate	10.026 \| good	44.445 \| good	43.974 \| good	0.372 \| good	2.229 \| good	0.105 \| good
2026-06-08T04:00:00.000Z	52 \| moderate	10.174 \| good	20.462 \| good	41.565 \| good	0.52 \| good	4.405 \| good	0.206 \| good
2026-06-08T05:00:00.000Z	56 \| moderate	12.333 \| fine	23.376 \| good	41.39 \| good	0.674 \| good	3.596 \| good	0.228 \| good
2026-06-08T06:00:00.000Z	56 \| moderate	12.009 \| good	21.114 \| good	41.966 \| good	0.531 \| good	4.974 \| good	0.252 \| good
2026-06-08T07:00:00.000Z	56 \| moderate	11.937 \| good	20.497 \| good	42.13 \| good	0.511 \| good	7.482 \| good	0.252 \| good
2026-06-08T08:00:00.000Z	49 \| good	9.029 \| good	17.497 \| good	39.903 \| good	0.343 \| good	4.603 \| good	0.263 \| good
2026-06-08T09:00:00.000Z	52 \| moderate	9.66 \| good	18.263 \| good	38.606 \| good	0.349 \| good	5.291 \| good	0.263 \| good
2026-06-08T10:00:00.000Z	52 \| moderate	10.461 \| good	21.647 \| good	38.599 \| good	0.389 \| good	5.547 \| good	0.2 \| good
2026-06-08T11:00:00.000Z	49 \| good	9.481 \| good	18.659 \| good	39.449 \| good	0.435 \| good	7.32 \| good	0.178 \| good
2026-06-08T12:00:00.000Z	52 \| moderate	10.19 \| good	20.134 \| good	39.431 \| good	0.327 \| good	8.064 \| good	0.154 \| good
2026-06-08T13:00:00.000Z	52 \| moderate	10.252 \| good	19.862 \| good	39.43 \| good	0.336 \| good	7.992 \| good	0.154 \| good
2026-06-08T14:00:00.000Z	52 \| moderate	10.09 \| good	20.462 \| good	38.685 \| good	0.344 \| good	10.407 \| good	0.164 \| good
2026-06-08T15:00:00.000Z	52 \| moderate	10.425 \| good	21.351 \| good	38.814 \| good	0.325 \| good	5.754 \| good	0.206 \| good
2026-06-08T16:00:00.000Z	56 \| moderate	11.72 \| good	23.753 \| good	39.085 \| good	0.404 \| good	5.69 \| good	0.228 \| good
2026-06-08T17:00:00.000Z	56 \| moderate	11.72 \| good	23.753 \| good	39.085 \| good	0.404 \| good	5.69 \| good	0.228 \| good
2026-06-08T18:00:00.000Z	60 \| moderate	13.812 \| fine	62.327 \| fine	48.875 \| good	0.417 \| good	1.088 \| good	0.102 \| good
2026-06-08T19:00:00.000Z	58 \| moderate	13.247 \| fine	59.665 \| fine	52.734 \| good	0.381 \| good	0.783 \| good	0.1 \| good
2026-06-08T20:00:00.000Z	58 \| moderate	13.017 \| fine	58.391 \| fine	53.235 \| good	0.353 \| good	0.643 \| good	0.098 \| good
2026-06-08T21:00:00.000Z	56 \| moderate	11.581 \| good	51.483 \| good	51.644 \| good	0.333 \| good	0.608 \| good	0.097 \| good
2026-06-08T22:00:00.000Z	54 \| moderate	10.555 \| good	46.713 \| good	49.678 \| good	0.329 \| good	0.643 \| good	0.096 \| good
2026-06-08T23:00:00.000Z	49 \| good	8.687 \| good	38.412 \| good	45.86 \| good	0.326 \| good	0.708 \| good	0.096 \| good
2026-06-09T00:00:00.000Z	49 \| good	8.869 \| good	39.157 \| good	44.472 \| good	0.326 \| good	0.867 \| good	0.096 \| good
2026-06-09T01:00:00.000Z	44 \| good	8.261 \| good	36.297 \| good	42.092 \| good	0.335 \| good	1.228 \| good	0.098 \| good
2026-06-09T02:00:00.000Z	49 \| good	9.335 \| good	41.664 \| good	40.395 \| good	0.359 \| good	1.803 \| good	0.099 \| good
2026-06-09T03:00:00.000Z	52 \| moderate	9.729 \| good	43.281 \| good	42.412 \| good	0.387 \| good	2.689 \| good	0.101 \| good
2026-06-09T04:00:00.000Z	49 \| good	9.412 \| good	42.08 \| good	41.084 \| good	0.399 \| good	3.639 \| good	0.104 \| good
2026-06-09T05:00:00.000Z	49 \| good	9.401 \| good	41.978 \| good	39.556 \| good	0.396 \| good	4.239 \| good	0.107 \| good
2026-06-09T06:00:00.000Z	52 \| moderate	9.513 \| good	42.551 \| good	37.442 \| good	0.4 \| good	5.654 \| good	0.112 \| good
2026-06-09T07:00:00.000Z	54 \| moderate	10.591 \| good	47.126 \| good	34.722 \| good	0.393 \| good	7.947 \| good	0.122 \| good
2026-06-09T08:00:00.000Z	54 \| moderate	11.064 \| good	48.917 \| good	30.902 \| good	0.382 \| good	8.999 \| good	0.128 \| good
2026-06-09T09:00:00.000Z	52 \| moderate	9.96 \| good	44.48 \| good	29.794 \| good	0.374 \| good	9.656 \| good	0.132 \| good
2026-06-09T10:00:00.000Z	56 \| moderate	11.786 \| good	52.383 \| good	27.679 \| good	0.371 \| good	10.172 \| good	0.135 \| good
2026-06-09T11:00:00.000Z	54 \| moderate	11.209 \| good	49.997 \| good	24.908 \| good	0.378 \| good	10.836 \| good	0.138 \| good
2026-06-09T12:00:00.000Z	54 \| moderate	10.722 \| good	47.443 \| good	23.228 \| good	0.394 \| good	11.754 \| good	0.143 \| good
2026-06-09T13:00:00.000Z	54 \| moderate	11.491 \| good	50.888 \| good	22.879 \| good	0.412 \| good	11.791 \| good	0.15 \| good
2026-06-09T14:00:00.000Z	60 \| moderate	14.249 \| fine	63.986 \| fine	27.493 \| good	0.423 \| good	9.6 \| good	0.158 \| good
2026-06-09T15:00:00.000Z	62 \| moderate	15.398 \| fine	68.864 \| fine	32.102 \| good	0.505 \| good	3.684 \| good	0.114 \| good
2026-06-09T16:00:00.000Z	66 \| moderate	16.589 \| fine	73.416 \| fine	39.498 \| good	0.545 \| good	2.78 \| good	0.112 \| good
2026-06-09T17:00:00.000Z	66 \| moderate	17.296 \| fine	76.879 \| fine	48.29 \| good	0.537 \| good	2.047 \| good	0.109 \| good
2026-06-09T18:00:00.000Z	69 \| moderate	18.613 \| fine	82.152 \| fine	55.785 \| fine	0.523 \| good	1.507 \| good	0.108 \| good
2026-06-09T19:00:00.000Z	74 \| moderate	19.734 \| fine	86.818 \| fine	61.64 \| fine	0.51 \| good	1.1 \| good	0.106 \| good
2026-06-09T20:00:00.000Z	84 \| moderate	19.908 \| fine	87.942 \| fine	64.969 \| fine	0.488 \| good	0.878 \| good	0.104 \| good
2026-06-09T21:00:00.000Z	87 \| moderate	18.544 \| fine	81.908 \| fine	65.919 \| fine	0.469 \| good	0.792 \| good	0.102 \| good
2026-06-09T22:00:00.000Z	84 \| moderate	17.752 \| fine	78.906 \| fine	65.342 \| fine	0.452 \| good	0.796 \| good	0.101 \| good
2026-06-09T23:00:00.000Z	64 \| moderate	16.121 \| fine	71.499 \| fine	59.064 \| fine	0.431 \| good	0.868 \| good	0.099 \| good
2026-06-10T00:00:00.000Z	62 \| moderate	14.881 \| fine	66.817 \| fine	54.008 \| good	0.426 \| good	1.073 \| good	0.099 \| good
2026-06-10T01:00:00.000Z	58 \| moderate	13.402 \| fine	60.381 \| fine	47.846 \| good	0.444 \| good	1.478 \| good	0.099 \| good
2026-06-10T02:00:00.000Z	56 \| moderate	11.603 \| good	51.459 \| good	43.917 \| good	0.478 \| good	2.161 \| good	0.1 \| good
2026-06-10T03:00:00.000Z	54 \| moderate	11.328 \| good	50.474 \| good	40.238 \| good	0.49 \| good	3.195 \| good	0.101 \| good
2026-06-10T04:00:00.000Z	54 \| moderate	10.596 \| good	46.971 \| good	38.603 \| good	0.473 \| good	4.062 \| good	0.102 \| good
2026-06-10T05:00:00.000Z	54 \| moderate	11.016 \| good	49.063 \| good	38.693 \| good	0.46 \| good	4.621 \| good	0.103 \| good
2026-06-10T06:00:00.000Z	44 \| good	8.408 \| good	13.335 \| good	30.857 \| good	0.416 \| good	4.748 \| good	0.102 \| good
2026-06-10T07:00:00.000Z	56 \| moderate	12.246 \| fine	54.672 \| good	34.78 \| good	0.42 \| good	5.612 \| good	0.105 \| good
2026-06-10T08:00:00.000Z	58 \| moderate	13.18 \| fine	58.979 \| fine	32.364 \| good	0.392 \| good	6.297 \| good	0.107 \| good
2026-06-10T09:00:00.000Z	58 \| moderate	13.174 \| fine	58.978 \| fine	29.774 \| good	0.372 \| good	7.153 \| good	0.109 \| good
2026-06-10T10:00:00.000Z	60 \| moderate	14.014 \| fine	62.655 \| fine	29.418 \| good	0.384 \| good	7.67 \| good	0.11 \| good
2026-06-10T11:00:00.000Z	58 \| moderate	12.898 \| fine	57.822 \| fine	30.201 \| good	0.399 \| good	8.252 \| good	0.112 \| good
2026-06-10T12:00:00.000Z	44 \| good	7.754 \| good	10.956 \| good	10.642 \| good	0.397 \| good	8.769 \| good	0.113 \| good
2026-06-10T13:00:00.000Z	49 \| good	8.52 \| good	12.12 \| good	10.286 \| good	0.419 \| good	9.138 \| good	0.12 \| good
2026-06-10T14:00:00.000Z	49 \| good	8.839 \| good	12.725 \| good	13.669 \| good	0.437 \| good	7.199 \| good	0.123 \| good
2026-06-10T15:00:00.000Z	52 \| moderate	10.291 \| good	17.286 \| good	31.346 \| good	0.591 \| good	3.997 \| good	0.106 \| good
2026-06-10T16:00:00.000Z	56 \| moderate	11.513 \| good	19.463 \| good	37.93 \| good	0.667 \| good	3.166 \| good	0.109 \| good
2026-06-10T17:00:00.000Z	56 \| moderate	12.222 \| fine	21.169 \| good	44.215 \| good	0.677 \| good	2.487 \| good	0.109 \| good

Rancho Santa Margarita

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

0.23ppm

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 04:00:00 on 2026-06-08.

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 01:00:00 on 2026-06-08.

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

As of now, the AQI in Rancho Santa Margarita, California is 56, indicating Moderate 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 11.72 μg/m³.

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

The PM₁₀ concentration in Rancho Santa Margarita, California is 23.753 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 0.228 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 0.404 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 39.085 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 5.69 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-06-06T18:00:00.000Z	52 \| moderate	10.034 \| good	16.482 \| good	38.065 \| good	0.3 \| good	5.207 \| good	0.24 \| good
2026-06-06T19:00:00.000Z	54 \| moderate	10.975 \| good	19.245 \| good	39.978 \| good	0.39 \| good	5.513 \| good	0.271 \| good
2026-06-06T20:00:00.000Z	54 \| moderate	10.924 \| good	23.375 \| good	43.005 \| good	0.451 \| good	5.027 \| good	0.24 \| good
2026-06-06T21:00:00.000Z	56 \| moderate	12.215 \| fine	25.561 \| good	43.748 \| good	0.445 \| good	4.383 \| good	0.24 \| good
2026-06-06T22:00:00.000Z	56 \| moderate	12.287 \| fine	23.062 \| good	42.95 \| good	0.483 \| good	4.986 \| good	0.234 \| good
2026-06-06T23:00:00.000Z	54 \| moderate	11.054 \| good	22.303 \| good	43.34 \| good	0.353 \| good	4.712 \| good	0.228 \| good
2026-06-07T00:00:00.000Z	54 \| moderate	10.755 \| good	21.384 \| good	44.876 \| good	0.419 \| good	3.977 \| good	0.228 \| good
2026-06-07T01:00:00.000Z	52 \| moderate	10.177 \| good	20.516 \| good	45.701 \| good	0.404 \| good	4.231 \| good	0.228 \| good
2026-06-07T02:00:00.000Z	56 \| moderate	11.694 \| good	23.101 \| good	44.318 \| good	0.36 \| good	3.138 \| good	0.228 \| good
2026-06-07T03:00:00.000Z	54 \| moderate	11.269 \| good	21.158 \| good	43.278 \| good	0.328 \| good	4.431 \| good	0.26 \| good
2026-06-07T04:00:00.000Z	56 \| moderate	11.92 \| good	21.714 \| good	43.647 \| good	0.472 \| good	4.933 \| good	0.26 \| good
2026-06-07T05:00:00.000Z	54 \| moderate	11.171 \| good	20.852 \| good	43.164 \| good	0.469 \| good	3.639 \| good	0.228 \| good
2026-06-07T06:00:00.000Z	56 \| moderate	12.2 \| fine	17.527 \| good	43.21 \| good	0.408 \| good	2.859 \| good	0.271 \| good
2026-06-07T07:00:00.000Z	56 \| moderate	12.227 \| fine	16.96 \| good	42.027 \| good	0.399 \| good	4.363 \| good	0.271 \| good
2026-06-07T08:00:00.000Z	49 \| good	9.036 \| good	15.122 \| good	41.013 \| good	0.398 \| good	5.672 \| good	0.2 \| good
2026-06-07T09:00:00.000Z	44 \| good	7.99 \| good	16.465 \| good	41.626 \| good	0.409 \| good	6.064 \| good	0.218 \| good
2026-06-07T10:00:00.000Z	44 \| good	8.017 \| good	16.167 \| good	41.699 \| good	0.41 \| good	6.423 \| good	0.221 \| good
2026-06-07T11:00:00.000Z	44 \| good	7.991 \| good	15.922 \| good	41.68 \| good	0.41 \| good	6.242 \| good	0.221 \| good
2026-06-07T12:00:00.000Z	44 \| good	7.991 \| good	18.455 \| good	40.275 \| good	0.264 \| good	4.944 \| good	0.175 \| good
2026-06-07T13:00:00.000Z	44 \| good	8.059 \| good	18.445 \| good	40.098 \| good	0.264 \| good	5.09 \| good	0.175 \| good
2026-06-07T14:00:00.000Z	49 \| good	8.764 \| good	19.932 \| good	39.401 \| good	0.335 \| good	5.603 \| good	0.238 \| good
2026-06-07T15:00:00.000Z	44 \| good	8.366 \| good	20.726 \| good	38.069 \| good	0.391 \| good	3.651 \| good	0.206 \| good
2026-06-07T16:00:00.000Z	44 \| good	8.27 \| good	19.234 \| good	38.348 \| good	0.326 \| good	3.618 \| good	0.238 \| good
2026-06-07T17:00:00.000Z	49 \| good	8.592 \| good	20.013 \| good	39.483 \| good	0.352 \| good	3.125 \| good	0.206 \| good
2026-06-07T18:00:00.000Z	44 \| good	8.407 \| good	19.386 \| good	41.481 \| good	0.383 \| good	3.319 \| good	0.206 \| good
2026-06-07T19:00:00.000Z	49 \| good	8.552 \| good	20.108 \| good	42.907 \| good	0.337 \| good	3.033 \| good	0.206 \| good
2026-06-07T20:00:00.000Z	49 \| good	8.957 \| good	21.699 \| good	43.244 \| good	0.395 \| good	3.562 \| good	0.206 \| good
2026-06-07T21:00:00.000Z	44 \| good	8.479 \| good	19.615 \| good	44.25 \| good	0.484 \| good	3.341 \| good	0.206 \| good
2026-06-07T22:00:00.000Z	44 \| good	8.477 \| good	20.22 \| good	44.96 \| good	0.532 \| good	3.648 \| good	0.228 \| good
2026-06-07T23:00:00.000Z	49 \| good	8.588 \| good	22.055 \| good	44.842 \| good	0.472 \| good	3.634 \| good	0.206 \| good
2026-06-08T00:00:00.000Z	44 \| good	8.496 \| good	21.593 \| good	44.881 \| good	0.329 \| good	3.413 \| good	0.206 \| good
2026-06-08T01:00:00.000Z	44 \| good	8.406 \| good	20.871 \| good	42.963 \| good	0.543 \| good	3.491 \| good	0.228 \| good
2026-06-08T02:00:00.000Z	49 \| good	8.67 \| good	20.962 \| good	42.655 \| good	0.413 \| good	3.964 \| good	0.228 \| good
2026-06-08T03:00:00.000Z	52 \| moderate	10.026 \| good	44.445 \| good	43.974 \| good	0.372 \| good	2.229 \| good	0.105 \| good
2026-06-08T04:00:00.000Z	52 \| moderate	10.174 \| good	20.462 \| good	41.565 \| good	0.52 \| good	4.405 \| good	0.206 \| good
2026-06-08T05:00:00.000Z	56 \| moderate	12.333 \| fine	23.376 \| good	41.39 \| good	0.674 \| good	3.596 \| good	0.228 \| good
2026-06-08T06:00:00.000Z	56 \| moderate	12.009 \| good	21.114 \| good	41.966 \| good	0.531 \| good	4.974 \| good	0.252 \| good
2026-06-08T07:00:00.000Z	56 \| moderate	11.937 \| good	20.497 \| good	42.13 \| good	0.511 \| good	7.482 \| good	0.252 \| good
2026-06-08T08:00:00.000Z	49 \| good	9.029 \| good	17.497 \| good	39.903 \| good	0.343 \| good	4.603 \| good	0.263 \| good
2026-06-08T09:00:00.000Z	52 \| moderate	9.66 \| good	18.263 \| good	38.606 \| good	0.349 \| good	5.291 \| good	0.263 \| good
2026-06-08T10:00:00.000Z	52 \| moderate	10.461 \| good	21.647 \| good	38.599 \| good	0.389 \| good	5.547 \| good	0.2 \| good
2026-06-08T11:00:00.000Z	49 \| good	9.481 \| good	18.659 \| good	39.449 \| good	0.435 \| good	7.32 \| good	0.178 \| good
2026-06-08T12:00:00.000Z	52 \| moderate	10.19 \| good	20.134 \| good	39.431 \| good	0.327 \| good	8.064 \| good	0.154 \| good
2026-06-08T13:00:00.000Z	52 \| moderate	10.252 \| good	19.862 \| good	39.43 \| good	0.336 \| good	7.992 \| good	0.154 \| good
2026-06-08T14:00:00.000Z	52 \| moderate	10.09 \| good	20.462 \| good	38.685 \| good	0.344 \| good	10.407 \| good	0.164 \| good
2026-06-08T15:00:00.000Z	52 \| moderate	10.425 \| good	21.351 \| good	38.814 \| good	0.325 \| good	5.754 \| good	0.206 \| good
2026-06-08T16:00:00.000Z	56 \| moderate	11.72 \| good	23.753 \| good	39.085 \| good	0.404 \| good	5.69 \| good	0.228 \| good
2026-06-08T17:00:00.000Z	56 \| moderate	11.72 \| good	23.753 \| good	39.085 \| good	0.404 \| good	5.69 \| good	0.228 \| good
2026-06-08T18:00:00.000Z	60 \| moderate	13.812 \| fine	62.327 \| fine	48.875 \| good	0.417 \| good	1.088 \| good	0.102 \| good
2026-06-08T19:00:00.000Z	58 \| moderate	13.247 \| fine	59.665 \| fine	52.734 \| good	0.381 \| good	0.783 \| good	0.1 \| good
2026-06-08T20:00:00.000Z	58 \| moderate	13.017 \| fine	58.391 \| fine	53.235 \| good	0.353 \| good	0.643 \| good	0.098 \| good
2026-06-08T21:00:00.000Z	56 \| moderate	11.581 \| good	51.483 \| good	51.644 \| good	0.333 \| good	0.608 \| good	0.097 \| good
2026-06-08T22:00:00.000Z	54 \| moderate	10.555 \| good	46.713 \| good	49.678 \| good	0.329 \| good	0.643 \| good	0.096 \| good
2026-06-08T23:00:00.000Z	49 \| good	8.687 \| good	38.412 \| good	45.86 \| good	0.326 \| good	0.708 \| good	0.096 \| good
2026-06-09T00:00:00.000Z	49 \| good	8.869 \| good	39.157 \| good	44.472 \| good	0.326 \| good	0.867 \| good	0.096 \| good
2026-06-09T01:00:00.000Z	44 \| good	8.261 \| good	36.297 \| good	42.092 \| good	0.335 \| good	1.228 \| good	0.098 \| good
2026-06-09T02:00:00.000Z	49 \| good	9.335 \| good	41.664 \| good	40.395 \| good	0.359 \| good	1.803 \| good	0.099 \| good
2026-06-09T03:00:00.000Z	52 \| moderate	9.729 \| good	43.281 \| good	42.412 \| good	0.387 \| good	2.689 \| good	0.101 \| good
2026-06-09T04:00:00.000Z	49 \| good	9.412 \| good	42.08 \| good	41.084 \| good	0.399 \| good	3.639 \| good	0.104 \| good
2026-06-09T05:00:00.000Z	49 \| good	9.401 \| good	41.978 \| good	39.556 \| good	0.396 \| good	4.239 \| good	0.107 \| good
2026-06-09T06:00:00.000Z	52 \| moderate	9.513 \| good	42.551 \| good	37.442 \| good	0.4 \| good	5.654 \| good	0.112 \| good
2026-06-09T07:00:00.000Z	54 \| moderate	10.591 \| good	47.126 \| good	34.722 \| good	0.393 \| good	7.947 \| good	0.122 \| good
2026-06-09T08:00:00.000Z	54 \| moderate	11.064 \| good	48.917 \| good	30.902 \| good	0.382 \| good	8.999 \| good	0.128 \| good
2026-06-09T09:00:00.000Z	52 \| moderate	9.96 \| good	44.48 \| good	29.794 \| good	0.374 \| good	9.656 \| good	0.132 \| good
2026-06-09T10:00:00.000Z	56 \| moderate	11.786 \| good	52.383 \| good	27.679 \| good	0.371 \| good	10.172 \| good	0.135 \| good
2026-06-09T11:00:00.000Z	54 \| moderate	11.209 \| good	49.997 \| good	24.908 \| good	0.378 \| good	10.836 \| good	0.138 \| good
2026-06-09T12:00:00.000Z	54 \| moderate	10.722 \| good	47.443 \| good	23.228 \| good	0.394 \| good	11.754 \| good	0.143 \| good
2026-06-09T13:00:00.000Z	54 \| moderate	11.491 \| good	50.888 \| good	22.879 \| good	0.412 \| good	11.791 \| good	0.15 \| good
2026-06-09T14:00:00.000Z	60 \| moderate	14.249 \| fine	63.986 \| fine	27.493 \| good	0.423 \| good	9.6 \| good	0.158 \| good
2026-06-09T15:00:00.000Z	62 \| moderate	15.398 \| fine	68.864 \| fine	32.102 \| good	0.505 \| good	3.684 \| good	0.114 \| good
2026-06-09T16:00:00.000Z	66 \| moderate	16.589 \| fine	73.416 \| fine	39.498 \| good	0.545 \| good	2.78 \| good	0.112 \| good
2026-06-09T17:00:00.000Z	66 \| moderate	17.296 \| fine	76.879 \| fine	48.29 \| good	0.537 \| good	2.047 \| good	0.109 \| good
2026-06-09T18:00:00.000Z	69 \| moderate	18.613 \| fine	82.152 \| fine	55.785 \| fine	0.523 \| good	1.507 \| good	0.108 \| good
2026-06-09T19:00:00.000Z	74 \| moderate	19.734 \| fine	86.818 \| fine	61.64 \| fine	0.51 \| good	1.1 \| good	0.106 \| good
2026-06-09T20:00:00.000Z	84 \| moderate	19.908 \| fine	87.942 \| fine	64.969 \| fine	0.488 \| good	0.878 \| good	0.104 \| good
2026-06-09T21:00:00.000Z	87 \| moderate	18.544 \| fine	81.908 \| fine	65.919 \| fine	0.469 \| good	0.792 \| good	0.102 \| good
2026-06-09T22:00:00.000Z	84 \| moderate	17.752 \| fine	78.906 \| fine	65.342 \| fine	0.452 \| good	0.796 \| good	0.101 \| good
2026-06-09T23:00:00.000Z	64 \| moderate	16.121 \| fine	71.499 \| fine	59.064 \| fine	0.431 \| good	0.868 \| good	0.099 \| good
2026-06-10T00:00:00.000Z	62 \| moderate	14.881 \| fine	66.817 \| fine	54.008 \| good	0.426 \| good	1.073 \| good	0.099 \| good
2026-06-10T01:00:00.000Z	58 \| moderate	13.402 \| fine	60.381 \| fine	47.846 \| good	0.444 \| good	1.478 \| good	0.099 \| good
2026-06-10T02:00:00.000Z	56 \| moderate	11.603 \| good	51.459 \| good	43.917 \| good	0.478 \| good	2.161 \| good	0.1 \| good
2026-06-10T03:00:00.000Z	54 \| moderate	11.328 \| good	50.474 \| good	40.238 \| good	0.49 \| good	3.195 \| good	0.101 \| good
2026-06-10T04:00:00.000Z	54 \| moderate	10.596 \| good	46.971 \| good	38.603 \| good	0.473 \| good	4.062 \| good	0.102 \| good
2026-06-10T05:00:00.000Z	54 \| moderate	11.016 \| good	49.063 \| good	38.693 \| good	0.46 \| good	4.621 \| good	0.103 \| good
2026-06-10T06:00:00.000Z	44 \| good	8.408 \| good	13.335 \| good	30.857 \| good	0.416 \| good	4.748 \| good	0.102 \| good
2026-06-10T07:00:00.000Z	56 \| moderate	12.246 \| fine	54.672 \| good	34.78 \| good	0.42 \| good	5.612 \| good	0.105 \| good
2026-06-10T08:00:00.000Z	58 \| moderate	13.18 \| fine	58.979 \| fine	32.364 \| good	0.392 \| good	6.297 \| good	0.107 \| good
2026-06-10T09:00:00.000Z	58 \| moderate	13.174 \| fine	58.978 \| fine	29.774 \| good	0.372 \| good	7.153 \| good	0.109 \| good
2026-06-10T10:00:00.000Z	60 \| moderate	14.014 \| fine	62.655 \| fine	29.418 \| good	0.384 \| good	7.67 \| good	0.11 \| good
2026-06-10T11:00:00.000Z	58 \| moderate	12.898 \| fine	57.822 \| fine	30.201 \| good	0.399 \| good	8.252 \| good	0.112 \| good
2026-06-10T12:00:00.000Z	44 \| good	7.754 \| good	10.956 \| good	10.642 \| good	0.397 \| good	8.769 \| good	0.113 \| good
2026-06-10T13:00:00.000Z	49 \| good	8.52 \| good	12.12 \| good	10.286 \| good	0.419 \| good	9.138 \| good	0.12 \| good
2026-06-10T14:00:00.000Z	49 \| good	8.839 \| good	12.725 \| good	13.669 \| good	0.437 \| good	7.199 \| good	0.123 \| good
2026-06-10T15:00:00.000Z	52 \| moderate	10.291 \| good	17.286 \| good	31.346 \| good	0.591 \| good	3.997 \| good	0.106 \| good
2026-06-10T16:00:00.000Z	56 \| moderate	11.513 \| good	19.463 \| good	37.93 \| good	0.667 \| good	3.166 \| good	0.109 \| good
2026-06-10T17:00:00.000Z	56 \| moderate	12.222 \| fine	21.169 \| good	44.215 \| good	0.677 \| good	2.487 \| good	0.109 \| 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?

What is the ozone (O3) 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?