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 0.343 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 18.601 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 24.623 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)

18.60 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

24.62 μg/m³

155

255

425

605+

Ozone (O₃)

19.21 ppb

201

201+

Sulfur Dioxide (SO₂)

0.34 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

24.17 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.49 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
2026-01-21T06:00:00.000Z	64 \| moderate	16.427 \| fine	27.25 \| good	20.935 \| good	0.508 \| good	28.948 \| good	0.848 \| good
2026-01-21T07:00:00.000Z	64 \| moderate	16.411 \| fine	27.189 \| good	16.939 \| good	0.571 \| good	30.165 \| good	0.849 \| good
2026-01-21T08:00:00.000Z	64 \| moderate	15.627 \| fine	21.225 \| good	12.981 \| good	0.667 \| good	20.294 \| good	0.543 \| good
2026-01-21T09:00:00.000Z	58 \| moderate	12.586 \| fine	13.588 \| good	19.886 \| good	0.521 \| good	23.363 \| good	0.475 \| good
2026-01-21T10:00:00.000Z	26 \| good	2.311 \| good	10.418 \| good	19.901 \| good	0.465 \| good	28.365 \| good	0.455 \| good
2026-01-21T11:00:00.000Z	25 \| good	2.303 \| good	10.39 \| good	20.908 \| good	0.526 \| good	26.94 \| good	0.521 \| good
2026-01-21T12:00:00.000Z	21 \| good	2.107 \| good	9.352 \| good	17.936 \| good	0.499 \| good	21.517 \| good	0.455 \| good
2026-01-21T13:00:00.000Z	19 \| good	2.152 \| good	9.349 \| good	17.953 \| good	0.465 \| good	20.274 \| good	0.456 \| good
2026-01-21T14:00:00.000Z	49 \| good	9.239 \| good	10.818 \| good	15.95 \| good	0.765 \| good	26.04 \| good	0.548 \| good
2026-01-21T15:00:00.000Z	49 \| good	9.186 \| good	14.559 \| good	16.92 \| good	0.849 \| good	25.398 \| good	0.643 \| good
2026-01-21T16:00:00.000Z	52 \| moderate	9.763 \| good	14.625 \| good	17.911 \| good	0.945 \| good	26.691 \| good	0.756 \| good
2026-01-21T17:00:00.000Z	52 \| moderate	10.25 \| good	14.538 \| good	20.917 \| good	1.006 \| good	32.972 \| good	0.712 \| good
2026-01-21T18:00:00.000Z	54 \| moderate	10.652 \| good	15.629 \| good	22.879 \| good	0.769 \| good	32.802 \| good	0.704 \| good
2026-01-21T19:00:00.000Z	52 \| moderate	9.724 \| good	19.486 \| good	25.896 \| good	0.89 \| good	37.779 \| good	0.752 \| good
2026-01-21T20:00:00.000Z	49 \| good	9.111 \| good	19.524 \| good	27.906 \| good	0.743 \| good	37.311 \| good	0.644 \| good
2026-01-21T21:00:00.000Z	49 \| good	8.965 \| good	18.463 \| good	27.959 \| good	0.623 \| good	37.147 \| good	0.684 \| good
2026-01-21T22:00:00.000Z	54 \| moderate	10.895 \| good	25.24 \| good	27.962 \| good	0.615 \| good	38.839 \| good	0.656 \| good
2026-01-21T23:00:00.000Z	62 \| moderate	14.609 \| fine	32.141 \| good	32.927 \| good	0.573 \| good	33.285 \| good	0.585 \| good
2026-01-22T00:00:00.000Z	69 \| moderate	19.081 \| fine	36.053 \| good	28.988 \| good	0.604 \| good	28.734 \| good	0.585 \| good
2026-01-22T01:00:00.000Z	77 \| moderate	23.377 \| fine	36.175 \| good	28.969 \| good	0.471 \| good	16.385 \| good	0.608 \| good
2026-01-22T02:00:00.000Z	71 \| moderate	19.84 \| fine	32.245 \| good	26.953 \| good	0.465 \| good	29.068 \| good	0.673 \| good
2026-01-22T03:00:00.000Z	75 \| moderate	21.945 \| fine	34.254 \| good	25.911 \| good	0.417 \| good	27.616 \| good	0.717 \| good
2026-01-22T04:00:00.000Z	81 \| moderate	24.613 \| fine	35.298 \| good	25.878 \| good	0.449 \| good	30.037 \| good	0.723 \| good
2026-01-22T05:00:00.000Z	84 \| moderate	27.122 \| fine	34.281 \| good	24.875 \| good	0.632 \| good	28.932 \| good	0.742 \| good
2026-01-22T06:00:00.000Z	86 \| moderate	27.926 \| fine	34.373 \| good	20.884 \| good	0.502 \| good	30.913 \| good	0.823 \| good
2026-01-22T07:00:00.000Z	77 \| moderate	23.058 \| fine	30.416 \| good	20.906 \| good	0.535 \| good	29.012 \| good	0.901 \| good
2026-01-22T08:00:00.000Z	77 \| moderate	23.014 \| fine	30.232 \| good	20.874 \| good	0.561 \| good	25.537 \| good	0.85 \| good
2026-01-22T09:00:00.000Z	64 \| moderate	15.989 \| fine	26.305 \| good	16.872 \| good	0.533 \| good	22.872 \| good	0.79 \| good
2026-01-22T10:00:00.000Z	62 \| moderate	14.697 \| fine	24.426 \| good	16.862 \| good	0.542 \| good	18.105 \| good	0.734 \| good
2026-01-22T11:00:00.000Z	62 \| moderate	15.289 \| fine	25.445 \| good	19.849 \| good	0.646 \| good	15.917 \| good	0.607 \| good
2026-01-22T12:00:00.000Z	64 \| moderate	15.561 \| fine	24.677 \| good	21.791 \| good	0.591 \| good	19.413 \| good	0.622 \| good
2026-01-22T13:00:00.000Z	64 \| moderate	15.532 \| fine	24.398 \| good	21.809 \| good	0.592 \| good	21.246 \| good	0.622 \| good
2026-01-22T14:00:00.000Z	69 \| moderate	19.167 \| fine	24.403 \| good	16.858 \| good	0.59 \| good	22.458 \| good	0.747 \| good
2026-01-22T15:00:00.000Z	64 \| moderate	15.59 \| fine	22.488 \| good	15.872 \| good	0.726 \| good	23.525 \| good	0.831 \| good
2026-01-22T16:00:00.000Z	62 \| moderate	15.18 \| fine	23.281 \| good	18.866 \| good	0.837 \| good	22.429 \| good	0.826 \| good
2026-01-22T17:00:00.000Z	71 \| moderate	20.374 \| fine	27.296 \| good	21.866 \| good	0.946 \| good	22.501 \| good	0.755 \| good
2026-01-22T18:00:00.000Z	71 \| moderate	20.327 \| fine	27.711 \| good	25.85 \| good	0.954 \| good	22.903 \| good	0.654 \| good
2026-01-22T19:00:00.000Z	71 \| moderate	20.305 \| fine	28.217 \| good	27.846 \| good	0.747 \| good	22.441 \| good	0.702 \| good
2026-01-22T20:00:00.000Z	77 \| moderate	23.037 \| fine	30.259 \| good	29.863 \| good	0.626 \| good	27.222 \| good	0.577 \| good
2026-01-22T21:00:00.000Z	79 \| moderate	23.679 \| fine	31.158 \| good	34.825 \| good	0.535 \| good	15.905 \| good	0.569 \| good
2026-01-22T22:00:00.000Z	82 \| moderate	25.834 \| fine	29.431 \| good	33.841 \| good	0.628 \| good	26.473 \| good	0.554 \| good
2026-01-22T23:00:00.000Z	81 \| moderate	25.121 \| fine	27.335 \| good	28.881 \| good	0.579 \| good	22.311 \| good	0.585 \| good
2026-01-23T00:00:00.000Z	81 \| moderate	25.04 \| fine	29.269 \| good	23.954 \| good	0.421 \| good	34.79 \| good	0.616 \| good
2026-01-23T01:00:00.000Z	81 \| moderate	25.021 \| fine	27.089 \| good	20.932 \| good	0.424 \| good	23.82 \| good	0.541 \| good
2026-01-23T02:00:00.000Z	79 \| moderate	24.289 \| fine	26.082 \| good	19.94 \| good	0.4 \| good	27.721 \| good	0.554 \| good
2026-01-23T03:00:00.000Z	67 \| moderate	17.848 \| fine	25.138 \| good	22.911 \| good	0.332 \| good	26.464 \| good	0.529 \| good
2026-01-23T04:00:00.000Z	66 \| moderate	16.993 \| fine	20.21 \| good	19.959 \| good	0.34 \| good	24.654 \| good	0.484 \| good
2026-01-23T05:00:00.000Z	69 \| moderate	18.601 \| fine	24.623 \| good	19.212 \| good	0.343 \| good	24.174 \| good	0.492 \| good
2026-01-23T06:00:00.000Z	77 \| moderate	22.876 \| fine	100.143 \| fine	21.923 \| good	2.261 \| good	36.285 \| good	0.324 \| good
2026-01-23T07:00:00.000Z	75 \| moderate	21.506 \| fine	94.322 \| fine	22.041 \| good	2.137 \| good	35.862 \| good	0.323 \| good
2026-01-23T08:00:00.000Z	71 \| moderate	19.863 \| fine	87.859 \| fine	22.975 \| good	2.012 \| good	35.44 \| good	0.322 \| good
2026-01-23T09:00:00.000Z	69 \| moderate	18.716 \| fine	82.306 \| fine	22.801 \| good	1.887 \| good	35.018 \| good	0.32 \| good
2026-01-23T10:00:00.000Z	69 \| moderate	18.704 \| fine	82.674 \| fine	23.172 \| good	1.801 \| good	33.861 \| good	0.312 \| good
2026-01-23T11:00:00.000Z	67 \| moderate	18.252 \| fine	81.339 \| fine	22.516 \| good	1.714 \| good	32.705 \| good	0.304 \| good
2026-01-23T12:00:00.000Z	67 \| moderate	18.206 \| fine	80.709 \| fine	19.656 \| good	1.627 \| good	31.548 \| good	0.296 \| good
2026-01-23T13:00:00.000Z	66 \| moderate	17.166 \| fine	76.636 \| fine	20.259 \| good	1.636 \| good	30.401 \| good	0.305 \| good
2026-01-23T14:00:00.000Z	71 \| moderate	19.997 \| fine	88.238 \| fine	18.944 \| good	1.646 \| good	29.253 \| good	0.313 \| good
2026-01-23T15:00:00.000Z	77 \| moderate	23.243 \| fine	101.583 \| fine	16.956 \| good	1.655 \| good	28.106 \| good	0.322 \| good
2026-01-23T16:00:00.000Z	71 \| moderate	19.56 \| fine	86.438 \| fine	20.252 \| good	1.741 \| good	22.561 \| good	0.279 \| good
2026-01-23T17:00:00.000Z	54 \| moderate	11.464 \| good	51.332 \| good	26.523 \| good	1.827 \| good	17.016 \| good	0.236 \| good
2026-01-23T18:00:00.000Z	27 \| good	3.553 \| good	15.441 \| good	28.784 \| good	1.914 \| good	11.471 \| good	0.193 \| good
2026-01-23T19:00:00.000Z	30 \| good	3.169 \| good	13.327 \| good	32.013 \| good	1.573 \| good	9.223 \| good	0.171 \| good
2026-01-23T20:00:00.000Z	32 \| good	2.504 \| good	10.301 \| good	34.679 \| good	1.232 \| good	6.975 \| good	0.148 \| good
2026-01-23T21:00:00.000Z	34 \| good	1.908 \| good	7.736 \| good	36.591 \| good	0.891 \| good	4.726 \| good	0.125 \| good
2026-01-23T22:00:00.000Z	35 \| good	2.634 \| good	10.769 \| good	38.198 \| good	1.124 \| good	5.439 \| good	0.124 \| good
2026-01-23T23:00:00.000Z	34 \| good	2.408 \| good	9.937 \| good	37.431 \| good	1.356 \| good	6.151 \| good	0.123 \| good
2026-01-24T00:00:00.000Z	35 \| good	2.009 \| good	8.125 \| good	37.882 \| good	1.589 \| good	6.863 \| good	0.122 \| good
2026-01-24T01:00:00.000Z	33 \| good	5.951 \| good	26.399 \| good	34.47 \| good	1.853 \| good	14.729 \| good	0.168 \| good
2026-01-24T02:00:00.000Z	44 \| good	7.674 \| good	33.749 \| good	28.723 \| good	2.117 \| good	22.596 \| good	0.214 \| good
2026-01-24T03:00:00.000Z	44 \| good	8.293 \| good	36.385 \| good	25.16 \| good	2.381 \| good	30.462 \| good	0.261 \| good
2026-01-24T04:00:00.000Z	52 \| moderate	9.534 \| good	42.361 \| good	24.758 \| good	2.736 \| good	31.709 \| good	0.283 \| good
2026-01-24T05:00:00.000Z	52 \| moderate	9.536 \| good	42.095 \| good	21.763 \| good	3.092 \| good	32.956 \| good	0.305 \| good
2026-01-24T06:00:00.000Z	44 \| good	8.09 \| good	35.309 \| good	22.592 \| good	3.447 \| good	34.204 \| good	0.327 \| good
2026-01-24T07:00:00.000Z	33 \| good	6.383 \| good	28.075 \| good	22.127 \| good	3.453 \| good	33.815 \| good	0.332 \| good
2026-01-24T08:00:00.000Z	31 \| good	5.051 \| good	22.039 \| good	21.316 \| good	3.46 \| good	33.426 \| good	0.337 \| good
2026-01-24T09:00:00.000Z	33 \| good	5.891 \| good	25.693 \| good	19.155 \| good	3.466 \| good	33.037 \| good	0.342 \| good
2026-01-24T10:00:00.000Z	30 \| good	4.967 \| good	21.725 \| good	17.733 \| good	3.427 \| good	32.03 \| good	0.323 \| good
2026-01-24T11:00:00.000Z	29 \| good	4.574 \| good	19.937 \| good	16.467 \| good	3.388 \| good	31.022 \| good	0.303 \| good
2026-01-24T12:00:00.000Z	28 \| good	4.853 \| good	20.98 \| good	13.818 \| good	3.349 \| good	30.015 \| good	0.284 \| good
2026-01-24T13:00:00.000Z	27 \| good	5.242 \| good	22.677 \| good	14.328 \| good	3.203 \| good	28.904 \| good	0.286 \| good
2026-01-24T14:00:00.000Z	26 \| good	4.37 \| good	18.904 \| good	13.043 \| good	3.058 \| good	27.792 \| good	0.288 \| good
2026-01-24T15:00:00.000Z	38 \| good	6.928 \| good	30.709 \| good	11.447 \| good	2.912 \| good	26.681 \| good	0.289 \| good
2026-01-24T16:00:00.000Z	33 \| good	5.67 \| good	24.855 \| good	14.775 \| good	3.254 \| good	20.615 \| good	0.247 \| good
2026-01-24T17:00:00.000Z	22 \| good	4.073 \| good	17.649 \| good	19.254 \| good	3.596 \| good	14.549 \| good	0.205 \| good
2026-01-24T18:00:00.000Z	24 \| good	1.026 \| good	4.136 \| good	25.927 \| good	3.937 \| good	8.483 \| good	0.162 \| good
2026-01-24T19:00:00.000Z	29 \| good	1.348 \| good	5.498 \| good	31.153 \| good	3.601 \| good	7.647 \| good	0.162 \| good
2026-01-24T20:00:00.000Z	32 \| good	2.291 \| good	9.447 \| good	34.822 \| good	3.265 \| good	6.811 \| good	0.161 \| good
2026-01-24T21:00:00.000Z	34 \| good	3.491 \| good	15.285 \| good	37.26 \| good	2.929 \| good	5.975 \| good	0.16 \| good
2026-01-24T22:00:00.000Z	37 \| good	6.371 \| good	28.109 \| good	39.568 \| good	3.197 \| good	6.896 \| good	0.165 \| good
2026-01-24T23:00:00.000Z	49 \| good	8.636 \| good	38.486 \| good	39.495 \| good	3.466 \| good	7.818 \| good	0.169 \| good
2026-01-25T00:00:00.000Z	64 \| moderate	15.833 \| fine	17.046 \| good	40.954 \| good	3.773 \| good	8.818 \| good	0.175 \| good
2026-01-25T01:00:00.000Z	52 \| moderate	10.154 \| good	44.749 \| good	38.463 \| good	3.808 \| good	17.487 \| good	0.224 \| good
2026-01-25T02:00:00.000Z	54 \| moderate	11.461 \| good	50.975 \| good	32.593 \| good	3.882 \| good	26.235 \| good	0.274 \| good
2026-01-25T03:00:00.000Z	60 \| moderate	14.143 \| fine	63.183 \| fine	28.762 \| good	3.957 \| good	34.983 \| good	0.324 \| good
2026-01-25T04:00:00.000Z	66 \| moderate	17.278 \| fine	76.872 \| fine	24.152 \| good	4.162 \| good	35.664 \| good	0.357 \| good
2026-01-25T05:00:00.000Z	69 \| moderate	18.904 \| fine	83.658 \| fine	17.621 \| good	4.367 \| good	36.346 \| good	0.389 \| good

Rancho Santa Margarita

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

0.48ppm

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 06:00:00 on 2026-01-22.

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 04:00:00 on 2026-01-22.

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

As of now, the AQI in Rancho Santa Margarita, California is 69, 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 18.601 μg/m³.

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

The PM₁₀ concentration in Rancho Santa Margarita, California is 24.623 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 0.492 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 0.343 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 19.212 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 24.174 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T06:00:00.000Z	64 \| moderate	16.427 \| fine	27.25 \| good	20.935 \| good	0.508 \| good	28.948 \| good	0.848 \| good
2026-01-21T07:00:00.000Z	64 \| moderate	16.411 \| fine	27.189 \| good	16.939 \| good	0.571 \| good	30.165 \| good	0.849 \| good
2026-01-21T08:00:00.000Z	64 \| moderate	15.627 \| fine	21.225 \| good	12.981 \| good	0.667 \| good	20.294 \| good	0.543 \| good
2026-01-21T09:00:00.000Z	58 \| moderate	12.586 \| fine	13.588 \| good	19.886 \| good	0.521 \| good	23.363 \| good	0.475 \| good
2026-01-21T10:00:00.000Z	26 \| good	2.311 \| good	10.418 \| good	19.901 \| good	0.465 \| good	28.365 \| good	0.455 \| good
2026-01-21T11:00:00.000Z	25 \| good	2.303 \| good	10.39 \| good	20.908 \| good	0.526 \| good	26.94 \| good	0.521 \| good
2026-01-21T12:00:00.000Z	21 \| good	2.107 \| good	9.352 \| good	17.936 \| good	0.499 \| good	21.517 \| good	0.455 \| good
2026-01-21T13:00:00.000Z	19 \| good	2.152 \| good	9.349 \| good	17.953 \| good	0.465 \| good	20.274 \| good	0.456 \| good
2026-01-21T14:00:00.000Z	49 \| good	9.239 \| good	10.818 \| good	15.95 \| good	0.765 \| good	26.04 \| good	0.548 \| good
2026-01-21T15:00:00.000Z	49 \| good	9.186 \| good	14.559 \| good	16.92 \| good	0.849 \| good	25.398 \| good	0.643 \| good
2026-01-21T16:00:00.000Z	52 \| moderate	9.763 \| good	14.625 \| good	17.911 \| good	0.945 \| good	26.691 \| good	0.756 \| good
2026-01-21T17:00:00.000Z	52 \| moderate	10.25 \| good	14.538 \| good	20.917 \| good	1.006 \| good	32.972 \| good	0.712 \| good
2026-01-21T18:00:00.000Z	54 \| moderate	10.652 \| good	15.629 \| good	22.879 \| good	0.769 \| good	32.802 \| good	0.704 \| good
2026-01-21T19:00:00.000Z	52 \| moderate	9.724 \| good	19.486 \| good	25.896 \| good	0.89 \| good	37.779 \| good	0.752 \| good
2026-01-21T20:00:00.000Z	49 \| good	9.111 \| good	19.524 \| good	27.906 \| good	0.743 \| good	37.311 \| good	0.644 \| good
2026-01-21T21:00:00.000Z	49 \| good	8.965 \| good	18.463 \| good	27.959 \| good	0.623 \| good	37.147 \| good	0.684 \| good
2026-01-21T22:00:00.000Z	54 \| moderate	10.895 \| good	25.24 \| good	27.962 \| good	0.615 \| good	38.839 \| good	0.656 \| good
2026-01-21T23:00:00.000Z	62 \| moderate	14.609 \| fine	32.141 \| good	32.927 \| good	0.573 \| good	33.285 \| good	0.585 \| good
2026-01-22T00:00:00.000Z	69 \| moderate	19.081 \| fine	36.053 \| good	28.988 \| good	0.604 \| good	28.734 \| good	0.585 \| good
2026-01-22T01:00:00.000Z	77 \| moderate	23.377 \| fine	36.175 \| good	28.969 \| good	0.471 \| good	16.385 \| good	0.608 \| good
2026-01-22T02:00:00.000Z	71 \| moderate	19.84 \| fine	32.245 \| good	26.953 \| good	0.465 \| good	29.068 \| good	0.673 \| good
2026-01-22T03:00:00.000Z	75 \| moderate	21.945 \| fine	34.254 \| good	25.911 \| good	0.417 \| good	27.616 \| good	0.717 \| good
2026-01-22T04:00:00.000Z	81 \| moderate	24.613 \| fine	35.298 \| good	25.878 \| good	0.449 \| good	30.037 \| good	0.723 \| good
2026-01-22T05:00:00.000Z	84 \| moderate	27.122 \| fine	34.281 \| good	24.875 \| good	0.632 \| good	28.932 \| good	0.742 \| good
2026-01-22T06:00:00.000Z	86 \| moderate	27.926 \| fine	34.373 \| good	20.884 \| good	0.502 \| good	30.913 \| good	0.823 \| good
2026-01-22T07:00:00.000Z	77 \| moderate	23.058 \| fine	30.416 \| good	20.906 \| good	0.535 \| good	29.012 \| good	0.901 \| good
2026-01-22T08:00:00.000Z	77 \| moderate	23.014 \| fine	30.232 \| good	20.874 \| good	0.561 \| good	25.537 \| good	0.85 \| good
2026-01-22T09:00:00.000Z	64 \| moderate	15.989 \| fine	26.305 \| good	16.872 \| good	0.533 \| good	22.872 \| good	0.79 \| good
2026-01-22T10:00:00.000Z	62 \| moderate	14.697 \| fine	24.426 \| good	16.862 \| good	0.542 \| good	18.105 \| good	0.734 \| good
2026-01-22T11:00:00.000Z	62 \| moderate	15.289 \| fine	25.445 \| good	19.849 \| good	0.646 \| good	15.917 \| good	0.607 \| good
2026-01-22T12:00:00.000Z	64 \| moderate	15.561 \| fine	24.677 \| good	21.791 \| good	0.591 \| good	19.413 \| good	0.622 \| good
2026-01-22T13:00:00.000Z	64 \| moderate	15.532 \| fine	24.398 \| good	21.809 \| good	0.592 \| good	21.246 \| good	0.622 \| good
2026-01-22T14:00:00.000Z	69 \| moderate	19.167 \| fine	24.403 \| good	16.858 \| good	0.59 \| good	22.458 \| good	0.747 \| good
2026-01-22T15:00:00.000Z	64 \| moderate	15.59 \| fine	22.488 \| good	15.872 \| good	0.726 \| good	23.525 \| good	0.831 \| good
2026-01-22T16:00:00.000Z	62 \| moderate	15.18 \| fine	23.281 \| good	18.866 \| good	0.837 \| good	22.429 \| good	0.826 \| good
2026-01-22T17:00:00.000Z	71 \| moderate	20.374 \| fine	27.296 \| good	21.866 \| good	0.946 \| good	22.501 \| good	0.755 \| good
2026-01-22T18:00:00.000Z	71 \| moderate	20.327 \| fine	27.711 \| good	25.85 \| good	0.954 \| good	22.903 \| good	0.654 \| good
2026-01-22T19:00:00.000Z	71 \| moderate	20.305 \| fine	28.217 \| good	27.846 \| good	0.747 \| good	22.441 \| good	0.702 \| good
2026-01-22T20:00:00.000Z	77 \| moderate	23.037 \| fine	30.259 \| good	29.863 \| good	0.626 \| good	27.222 \| good	0.577 \| good
2026-01-22T21:00:00.000Z	79 \| moderate	23.679 \| fine	31.158 \| good	34.825 \| good	0.535 \| good	15.905 \| good	0.569 \| good
2026-01-22T22:00:00.000Z	82 \| moderate	25.834 \| fine	29.431 \| good	33.841 \| good	0.628 \| good	26.473 \| good	0.554 \| good
2026-01-22T23:00:00.000Z	81 \| moderate	25.121 \| fine	27.335 \| good	28.881 \| good	0.579 \| good	22.311 \| good	0.585 \| good
2026-01-23T00:00:00.000Z	81 \| moderate	25.04 \| fine	29.269 \| good	23.954 \| good	0.421 \| good	34.79 \| good	0.616 \| good
2026-01-23T01:00:00.000Z	81 \| moderate	25.021 \| fine	27.089 \| good	20.932 \| good	0.424 \| good	23.82 \| good	0.541 \| good
2026-01-23T02:00:00.000Z	79 \| moderate	24.289 \| fine	26.082 \| good	19.94 \| good	0.4 \| good	27.721 \| good	0.554 \| good
2026-01-23T03:00:00.000Z	67 \| moderate	17.848 \| fine	25.138 \| good	22.911 \| good	0.332 \| good	26.464 \| good	0.529 \| good
2026-01-23T04:00:00.000Z	66 \| moderate	16.993 \| fine	20.21 \| good	19.959 \| good	0.34 \| good	24.654 \| good	0.484 \| good
2026-01-23T05:00:00.000Z	69 \| moderate	18.601 \| fine	24.623 \| good	19.212 \| good	0.343 \| good	24.174 \| good	0.492 \| good
2026-01-23T06:00:00.000Z	77 \| moderate	22.876 \| fine	100.143 \| fine	21.923 \| good	2.261 \| good	36.285 \| good	0.324 \| good
2026-01-23T07:00:00.000Z	75 \| moderate	21.506 \| fine	94.322 \| fine	22.041 \| good	2.137 \| good	35.862 \| good	0.323 \| good
2026-01-23T08:00:00.000Z	71 \| moderate	19.863 \| fine	87.859 \| fine	22.975 \| good	2.012 \| good	35.44 \| good	0.322 \| good
2026-01-23T09:00:00.000Z	69 \| moderate	18.716 \| fine	82.306 \| fine	22.801 \| good	1.887 \| good	35.018 \| good	0.32 \| good
2026-01-23T10:00:00.000Z	69 \| moderate	18.704 \| fine	82.674 \| fine	23.172 \| good	1.801 \| good	33.861 \| good	0.312 \| good
2026-01-23T11:00:00.000Z	67 \| moderate	18.252 \| fine	81.339 \| fine	22.516 \| good	1.714 \| good	32.705 \| good	0.304 \| good
2026-01-23T12:00:00.000Z	67 \| moderate	18.206 \| fine	80.709 \| fine	19.656 \| good	1.627 \| good	31.548 \| good	0.296 \| good
2026-01-23T13:00:00.000Z	66 \| moderate	17.166 \| fine	76.636 \| fine	20.259 \| good	1.636 \| good	30.401 \| good	0.305 \| good
2026-01-23T14:00:00.000Z	71 \| moderate	19.997 \| fine	88.238 \| fine	18.944 \| good	1.646 \| good	29.253 \| good	0.313 \| good
2026-01-23T15:00:00.000Z	77 \| moderate	23.243 \| fine	101.583 \| fine	16.956 \| good	1.655 \| good	28.106 \| good	0.322 \| good
2026-01-23T16:00:00.000Z	71 \| moderate	19.56 \| fine	86.438 \| fine	20.252 \| good	1.741 \| good	22.561 \| good	0.279 \| good
2026-01-23T17:00:00.000Z	54 \| moderate	11.464 \| good	51.332 \| good	26.523 \| good	1.827 \| good	17.016 \| good	0.236 \| good
2026-01-23T18:00:00.000Z	27 \| good	3.553 \| good	15.441 \| good	28.784 \| good	1.914 \| good	11.471 \| good	0.193 \| good
2026-01-23T19:00:00.000Z	30 \| good	3.169 \| good	13.327 \| good	32.013 \| good	1.573 \| good	9.223 \| good	0.171 \| good
2026-01-23T20:00:00.000Z	32 \| good	2.504 \| good	10.301 \| good	34.679 \| good	1.232 \| good	6.975 \| good	0.148 \| good
2026-01-23T21:00:00.000Z	34 \| good	1.908 \| good	7.736 \| good	36.591 \| good	0.891 \| good	4.726 \| good	0.125 \| good
2026-01-23T22:00:00.000Z	35 \| good	2.634 \| good	10.769 \| good	38.198 \| good	1.124 \| good	5.439 \| good	0.124 \| good
2026-01-23T23:00:00.000Z	34 \| good	2.408 \| good	9.937 \| good	37.431 \| good	1.356 \| good	6.151 \| good	0.123 \| good
2026-01-24T00:00:00.000Z	35 \| good	2.009 \| good	8.125 \| good	37.882 \| good	1.589 \| good	6.863 \| good	0.122 \| good
2026-01-24T01:00:00.000Z	33 \| good	5.951 \| good	26.399 \| good	34.47 \| good	1.853 \| good	14.729 \| good	0.168 \| good
2026-01-24T02:00:00.000Z	44 \| good	7.674 \| good	33.749 \| good	28.723 \| good	2.117 \| good	22.596 \| good	0.214 \| good
2026-01-24T03:00:00.000Z	44 \| good	8.293 \| good	36.385 \| good	25.16 \| good	2.381 \| good	30.462 \| good	0.261 \| good
2026-01-24T04:00:00.000Z	52 \| moderate	9.534 \| good	42.361 \| good	24.758 \| good	2.736 \| good	31.709 \| good	0.283 \| good
2026-01-24T05:00:00.000Z	52 \| moderate	9.536 \| good	42.095 \| good	21.763 \| good	3.092 \| good	32.956 \| good	0.305 \| good
2026-01-24T06:00:00.000Z	44 \| good	8.09 \| good	35.309 \| good	22.592 \| good	3.447 \| good	34.204 \| good	0.327 \| good
2026-01-24T07:00:00.000Z	33 \| good	6.383 \| good	28.075 \| good	22.127 \| good	3.453 \| good	33.815 \| good	0.332 \| good
2026-01-24T08:00:00.000Z	31 \| good	5.051 \| good	22.039 \| good	21.316 \| good	3.46 \| good	33.426 \| good	0.337 \| good
2026-01-24T09:00:00.000Z	33 \| good	5.891 \| good	25.693 \| good	19.155 \| good	3.466 \| good	33.037 \| good	0.342 \| good
2026-01-24T10:00:00.000Z	30 \| good	4.967 \| good	21.725 \| good	17.733 \| good	3.427 \| good	32.03 \| good	0.323 \| good
2026-01-24T11:00:00.000Z	29 \| good	4.574 \| good	19.937 \| good	16.467 \| good	3.388 \| good	31.022 \| good	0.303 \| good
2026-01-24T12:00:00.000Z	28 \| good	4.853 \| good	20.98 \| good	13.818 \| good	3.349 \| good	30.015 \| good	0.284 \| good
2026-01-24T13:00:00.000Z	27 \| good	5.242 \| good	22.677 \| good	14.328 \| good	3.203 \| good	28.904 \| good	0.286 \| good
2026-01-24T14:00:00.000Z	26 \| good	4.37 \| good	18.904 \| good	13.043 \| good	3.058 \| good	27.792 \| good	0.288 \| good
2026-01-24T15:00:00.000Z	38 \| good	6.928 \| good	30.709 \| good	11.447 \| good	2.912 \| good	26.681 \| good	0.289 \| good
2026-01-24T16:00:00.000Z	33 \| good	5.67 \| good	24.855 \| good	14.775 \| good	3.254 \| good	20.615 \| good	0.247 \| good
2026-01-24T17:00:00.000Z	22 \| good	4.073 \| good	17.649 \| good	19.254 \| good	3.596 \| good	14.549 \| good	0.205 \| good
2026-01-24T18:00:00.000Z	24 \| good	1.026 \| good	4.136 \| good	25.927 \| good	3.937 \| good	8.483 \| good	0.162 \| good
2026-01-24T19:00:00.000Z	29 \| good	1.348 \| good	5.498 \| good	31.153 \| good	3.601 \| good	7.647 \| good	0.162 \| good
2026-01-24T20:00:00.000Z	32 \| good	2.291 \| good	9.447 \| good	34.822 \| good	3.265 \| good	6.811 \| good	0.161 \| good
2026-01-24T21:00:00.000Z	34 \| good	3.491 \| good	15.285 \| good	37.26 \| good	2.929 \| good	5.975 \| good	0.16 \| good
2026-01-24T22:00:00.000Z	37 \| good	6.371 \| good	28.109 \| good	39.568 \| good	3.197 \| good	6.896 \| good	0.165 \| good
2026-01-24T23:00:00.000Z	49 \| good	8.636 \| good	38.486 \| good	39.495 \| good	3.466 \| good	7.818 \| good	0.169 \| good
2026-01-25T00:00:00.000Z	64 \| moderate	15.833 \| fine	17.046 \| good	40.954 \| good	3.773 \| good	8.818 \| good	0.175 \| good
2026-01-25T01:00:00.000Z	52 \| moderate	10.154 \| good	44.749 \| good	38.463 \| good	3.808 \| good	17.487 \| good	0.224 \| good
2026-01-25T02:00:00.000Z	54 \| moderate	11.461 \| good	50.975 \| good	32.593 \| good	3.882 \| good	26.235 \| good	0.274 \| good
2026-01-25T03:00:00.000Z	60 \| moderate	14.143 \| fine	63.183 \| fine	28.762 \| good	3.957 \| good	34.983 \| good	0.324 \| good
2026-01-25T04:00:00.000Z	66 \| moderate	17.278 \| fine	76.872 \| fine	24.152 \| good	4.162 \| good	35.664 \| good	0.357 \| good
2026-01-25T05:00:00.000Z	69 \| moderate	18.904 \| fine	83.658 \| fine	17.621 \| good	4.367 \| good	36.346 \| good	0.389 \| 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?

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

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?