What is the sulfur dioxide (SO2) level in Aliso Viejo, California at the moment?

Currently, Aliso Viejo, California has a sulfur dioxide (SO2) concentration of 1.38 ppb.

What is the ozone (O3) level in Aliso Viejo, California at the moment?

The current ozone (O3) level in Aliso Viejo, California at the moment is 24.774 ppm.

What is the nitrogen dioxide (NO2) level in Aliso Viejo, California at the moment?

Nitrogen dioxide (NO2) level in Aliso Viejo, California at the moment is 12.88 ppb.

Real-time air quality index in Aliso Viejo, California today

Name: Live air pollution levels in Aliso Viejo, California today
Creator: Ambee

Stay updated with real-time air quality in Aliso Viejo, 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

Aliso Viejo, California

Last updated: ... (Local time)

Major air pollutants in Aliso Viejo, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

7.56 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

17.15 μg/m³

155

255

425

605+

Ozone (O₃)

24.77 ppb

201

201+

Sulfur Dioxide (SO₂)

1.38 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

12.88 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.21 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Aliso Viejo, California

Get Live Pollen Counts

Aliso Viejo, California

Scroll To Air Quality Map

Track live Aliso Viejo, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-12T17:00:00.000Z	49 \| good	9.339 \| good	29.909 \| good	29.17 \| good	0.472 \| good	7.367 \| good	0.226 \| good
2025-07-12T18:00:00.000Z	44 \| good	8.454 \| good	32.76 \| good	28.634 \| good	0.576 \| good	7.287 \| good	0.224 \| good
2025-07-12T19:00:00.000Z	49 \| good	8.614 \| good	24.352 \| good	33.374 \| good	0.729 \| good	5.794 \| good	0.249 \| good
2025-07-12T20:00:00.000Z	44 \| good	7.857 \| good	29.116 \| good	37.248 \| good	0.759 \| good	4.099 \| good	0.226 \| good
2025-07-12T21:00:00.000Z	49 \| good	8.551 \| good	25.238 \| good	37.775 \| good	0.452 \| good	4.253 \| good	0.201 \| good
2025-07-12T22:00:00.000Z	44 \| good	8.455 \| good	26.31 \| good	39.339 \| good	0.444 \| good	3.491 \| good	0.226 \| good
2025-07-12T23:00:00.000Z	49 \| good	8.989 \| good	41.268 \| good	41.885 \| good	0.426 \| good	3.529 \| good	0.22 \| good
2025-07-13T00:00:00.000Z	38 \| good	7.037 \| good	28.368 \| good	41.257 \| good	0.424 \| good	3.128 \| good	0.185 \| good
2025-07-13T01:00:00.000Z	38 \| good	7.057 \| good	33.463 \| good	39.049 \| good	0.513 \| good	3.142 \| good	0.211 \| good
2025-07-13T02:00:00.000Z	49 \| good	8.558 \| good	26.738 \| good	40.474 \| good	0.443 \| good	3.112 \| good	0.185 \| good
2025-07-13T03:00:00.000Z	44 \| good	8.05 \| good	35.798 \| good	36.169 \| good	0.416 \| good	4.231 \| good	0.211 \| good
2025-07-13T04:00:00.000Z	44 \| good	7.6 \| good	36.326 \| good	37.704 \| good	0.384 \| good	4.834 \| good	0.211 \| good
2025-07-13T05:00:00.000Z	44 \| good	8.107 \| good	37.898 \| good	35.955 \| good	0.259 \| good	3.963 \| good	0.211 \| good
2025-07-13T06:00:00.000Z	49 \| good	8.744 \| good	31.71 \| good	35.89 \| good	0.275 \| good	5.464 \| good	0.233 \| good
2025-07-13T07:00:00.000Z	49 \| good	9.256 \| good	27.687 \| good	30.225 \| good	0.5 \| good	6.466 \| good	0.252 \| good
2025-07-13T08:00:00.000Z	44 \| good	8.095 \| good	33.621 \| good	27.497 \| good	0.327 \| good	7.283 \| good	0.258 \| good
2025-07-13T09:00:00.000Z	38 \| good	6.91 \| good	26.251 \| good	26.294 \| good	0.233 \| good	5.422 \| good	0.249 \| good
2025-07-13T10:00:00.000Z	38 \| good	6.702 \| good	26.621 \| good	28.076 \| good	0.268 \| good	4.999 \| good	0.249 \| good
2025-07-13T11:00:00.000Z	38 \| good	7.215 \| good	25.441 \| good	26.827 \| good	0.191 \| good	8.266 \| good	0.249 \| good
2025-07-13T12:00:00.000Z	49 \| good	9.448 \| good	47.007 \| good	29.301 \| good	0.172 \| good	7.925 \| good	0.161 \| good
2025-07-13T13:00:00.000Z	54 \| moderate	10.513 \| good	37.538 \| good	24.253 \| good	0.257 \| good	7.102 \| good	0.219 \| good
2025-07-13T14:00:00.000Z	38 \| good	6.601 \| good	27.295 \| good	25.768 \| good	0.225 \| good	7.064 \| good	0.185 \| good
2025-07-13T15:00:00.000Z	56 \| moderate	11.756 \| good	42.777 \| good	26.684 \| good	0.317 \| good	5.96 \| good	0.185 \| good
2025-07-13T16:00:00.000Z	56 \| moderate	12.037 \| good	43.047 \| good	29.325 \| good	0.285 \| good	5.597 \| good	0.185 \| good
2025-07-13T17:00:00.000Z	54 \| moderate	10.998 \| good	20.234 \| good	33.136 \| good	0.323 \| good	4.608 \| good	0.185 \| good
2025-07-13T18:00:00.000Z	52 \| moderate	9.763 \| good	22.813 \| good	36.018 \| good	0.519 \| good	3.476 \| good	0.209 \| good
2025-07-13T19:00:00.000Z	54 \| moderate	11.227 \| good	35.583 \| good	37.843 \| good	0.56 \| good	3.375 \| good	0.209 \| good
2025-07-13T20:00:00.000Z	56 \| moderate	12.041 \| good	36.877 \| good	44.216 \| good	0.44 \| good	3.03 \| good	0.185 \| good
2025-07-13T21:00:00.000Z	52 \| moderate	10.402 \| good	34.607 \| good	49.057 \| good	0.367 \| good	2.845 \| good	0.185 \| good
2025-07-13T22:00:00.000Z	52 \| moderate	9.79 \| good	24.771 \| good	50.702 \| good	0.36 \| good	2.668 \| good	0.185 \| good
2025-07-13T23:00:00.000Z	49 \| good	9.138 \| good	22.47 \| good	50.816 \| good	0.477 \| good	3.222 \| good	0.185 \| good
2025-07-14T00:00:00.000Z	44 \| good	8.058 \| good	24.503 \| good	47.365 \| good	0.662 \| good	3.156 \| good	0.161 \| good
2025-07-14T01:00:00.000Z	42 \| good	6.878 \| good	24.373 \| good	44.762 \| good	0.601 \| good	3.117 \| good	0.185 \| good
2025-07-14T02:00:00.000Z	39 \| good	6.858 \| good	20.516 \| good	41.697 \| good	0.549 \| good	3.532 \| good	0.209 \| good
2025-07-14T03:00:00.000Z	38 \| good	6.937 \| good	21.338 \| good	38.326 \| good	0.446 \| good	5.605 \| good	0.265 \| good
2025-07-14T04:00:00.000Z	34 \| good	6.045 \| good	24.575 \| good	37.067 \| good	0.486 \| good	4.392 \| good	0.234 \| good
2025-07-14T05:00:00.000Z	29 \| good	4.404 \| good	15.119 \| good	30.757 \| good	0.49 \| good	3.721 \| good	0.21 \| good
2025-07-14T06:00:00.000Z	30 \| good	5.466 \| good	21.359 \| good	32.223 \| good	0.298 \| good	3.567 \| good	0.21 \| good
2025-07-14T07:00:00.000Z	33 \| good	5.928 \| good	23.71 \| good	29.982 \| good	0.431 \| good	5.146 \| good	0.222 \| good
2025-07-14T08:00:00.000Z	27 \| good	4.804 \| good	23.235 \| good	28.853 \| good	0.445 \| good	5.836 \| good	0.209 \| good
2025-07-14T09:00:00.000Z	33 \| good	5.624 \| good	16.896 \| good	27.137 \| good	0.373 \| good	7.8 \| good	0.141 \| good
2025-07-14T10:00:00.000Z	33 \| good	6.073 \| good	18.442 \| good	23.665 \| good	0.386 \| good	7.919 \| good	0.141 \| good
2025-07-14T11:00:00.000Z	44 \| good	7.968 \| good	23.224 \| good	22.889 \| good	0.343 \| good	9.089 \| good	0.141 \| good
2025-07-14T12:00:00.000Z	38 \| good	6.724 \| good	32.078 \| good	31.026 \| good	0.241 \| good	11.083 \| good	0.165 \| good
2025-07-14T13:00:00.000Z	38 \| good	6.511 \| good	29.274 \| good	31.034 \| good	0.239 \| good	15.585 \| good	0.198 \| good
2025-07-14T14:00:00.000Z	33 \| good	6.122 \| good	23.955 \| good	30.256 \| good	0.243 \| good	16.864 \| good	0.189 \| good
2025-07-14T15:00:00.000Z	44 \| good	7.557 \| good	17.152 \| good	24.774 \| good	1.38 \| good	12.88 \| good	0.213 \| good
2025-07-14T16:00:00.000Z	44 \| good	7.557 \| good	17.152 \| good	24.774 \| good	1.38 \| good	12.88 \| good	0.213 \| good
2025-07-14T17:00:00.000Z	52 \| moderate	10.194 \| good	45.155 \| good	37.41 \| good	1.701 \| good	3.779 \| good	0.138 \| good
2025-07-14T18:00:00.000Z	54 \| moderate	10.955 \| good	49.043 \| good	44.443 \| good	1.883 \| good	3.717 \| good	0.141 \| good
2025-07-14T19:00:00.000Z	52 \| moderate	9.586 \| good	42.853 \| good	49.767 \| good	1.856 \| good	3.289 \| good	0.14 \| good
2025-07-14T20:00:00.000Z	52 \| moderate	9.815 \| good	43.885 \| good	52.79 \| good	1.83 \| good	2.86 \| good	0.138 \| good
2025-07-14T21:00:00.000Z	52 \| moderate	9.679 \| good	43.192 \| good	54.141 \| good	1.803 \| good	2.432 \| good	0.136 \| good
2025-07-14T22:00:00.000Z	49 \| good	9.325 \| good	41.633 \| good	53.254 \| good	1.772 \| good	2.359 \| good	0.135 \| good
2025-07-14T23:00:00.000Z	49 \| good	8.707 \| good	38.599 \| good	49.512 \| good	1.741 \| good	2.287 \| good	0.134 \| good
2025-07-15T00:00:00.000Z	44 \| good	8.27 \| good	36.398 \| good	44.501 \| good	1.71 \| good	2.214 \| good	0.133 \| good
2025-07-15T01:00:00.000Z	34 \| good	6.464 \| good	28.416 \| good	36.741 \| good	1.558 \| good	3.059 \| good	0.131 \| good
2025-07-15T02:00:00.000Z	29 \| good	4.492 \| good	19.385 \| good	30.554 \| good	1.406 \| good	3.903 \| good	0.13 \| good
2025-07-15T03:00:00.000Z	29 \| good	4.37 \| good	19.206 \| good	30.644 \| good	1.254 \| good	4.747 \| good	0.129 \| good
2025-07-15T04:00:00.000Z	27 \| good	4.836 \| good	20.986 \| good	29.455 \| good	1.227 \| good	5.255 \| good	0.127 \| good
2025-07-15T05:00:00.000Z	27 \| good	4.746 \| good	20.877 \| good	29.288 \| good	1.2 \| good	5.763 \| good	0.125 \| good
2025-07-15T06:00:00.000Z	27 \| good	4.909 \| good	21.241 \| good	27.888 \| good	1.173 \| good	6.271 \| good	0.123 \| good
2025-07-15T07:00:00.000Z	27 \| good	5.131 \| good	22.257 \| good	27.353 \| good	1.148 \| good	6.395 \| good	0.123 \| good
2025-07-15T08:00:00.000Z	27 \| good	4.784 \| good	21.019 \| good	26.57 \| good	1.123 \| good	6.519 \| good	0.122 \| good
2025-07-15T09:00:00.000Z	33 \| good	5.84 \| good	25.459 \| good	26.749 \| good	1.097 \| good	6.643 \| good	0.122 \| good
2025-07-15T10:00:00.000Z	38 \| good	6.589 \| good	29.421 \| good	26.63 \| good	1.071 \| good	6.287 \| good	0.12 \| good
2025-07-15T11:00:00.000Z	33 \| good	6.366 \| good	28.317 \| good	26.952 \| good	1.045 \| good	5.932 \| good	0.119 \| good
2025-07-15T12:00:00.000Z	33 \| good	6.155 \| good	27.295 \| good	23.181 \| good	1.02 \| good	5.577 \| good	0.118 \| good
2025-07-15T13:00:00.000Z	33 \| good	6.285 \| good	27.597 \| good	26.643 \| good	1.072 \| good	4.99 \| good	0.118 \| good
2025-07-15T14:00:00.000Z	38 \| good	6.566 \| good	28.795 \| good	27.539 \| good	1.124 \| good	4.404 \| good	0.119 \| good
2025-07-15T15:00:00.000Z	44 \| good	7.63 \| good	33.759 \| good	30.029 \| good	1.177 \| good	3.817 \| good	0.119 \| good
2025-07-15T16:00:00.000Z	44 \| good	7.796 \| good	34.063 \| good	32.977 \| good	1.141 \| good	3.415 \| good	0.119 \| good
2025-07-15T17:00:00.000Z	38 \| good	7.443 \| good	32.84 \| good	35.361 \| good	1.104 \| good	3.013 \| good	0.118 \| good
2025-07-15T18:00:00.000Z	38 \| good	7.168 \| good	31.644 \| good	38.355 \| good	1.068 \| good	2.612 \| good	0.117 \| good
2025-07-15T19:00:00.000Z	38 \| good	6.161 \| good	27.293 \| good	40.662 \| good	0.95 \| good	2.142 \| good	0.114 \| good
2025-07-15T20:00:00.000Z	39 \| good	5.875 \| good	25.436 \| good	41.554 \| good	0.831 \| good	1.672 \| good	0.111 \| good
2025-07-15T21:00:00.000Z	39 \| good	5.809 \| good	25.187 \| good	41.611 \| good	0.712 \| good	1.202 \| good	0.108 \| good
2025-07-15T22:00:00.000Z	39 \| good	6.4 \| good	28.283 \| good	41.987 \| good	0.687 \| good	1.267 \| good	0.108 \| good
2025-07-15T23:00:00.000Z	40 \| good	6.699 \| good	29.981 \| good	42.533 \| good	0.661 \| good	1.333 \| good	0.108 \| good
2025-07-16T00:00:00.000Z	39 \| good	6.943 \| good	30.874 \| good	42.015 \| good	0.636 \| good	1.399 \| good	0.108 \| good
2025-07-16T01:00:00.000Z	38 \| good	6.931 \| good	30.724 \| good	40.18 \| good	0.666 \| good	2.258 \| good	0.11 \| good
2025-07-16T02:00:00.000Z	33 \| good	5.929 \| good	26.45 \| good	36.479 \| good	0.697 \| good	3.116 \| good	0.112 \| good
2025-07-16T03:00:00.000Z	33 \| good	6.268 \| good	27.955 \| good	36.441 \| good	0.727 \| good	3.975 \| good	0.114 \| good
2025-07-16T04:00:00.000Z	33 \| good	6.135 \| good	27.209 \| good	35.713 \| good	0.794 \| good	4.536 \| good	0.115 \| good
2025-07-16T05:00:00.000Z	33 \| good	5.991 \| good	26.992 \| good	35.547 \| good	0.861 \| good	5.096 \| good	0.116 \| good
2025-07-16T06:00:00.000Z	33 \| good	6.032 \| good	27.243 \| good	34.806 \| good	0.928 \| good	5.657 \| good	0.116 \| good
2025-07-16T07:00:00.000Z	33 \| good	5.899 \| good	25.749 \| good	33.919 \| good	0.926 \| good	5.809 \| good	0.117 \| good
2025-07-16T08:00:00.000Z	31 \| good	5.209 \| good	22.311 \| good	32.726 \| good	0.923 \| good	5.961 \| good	0.118 \| good
2025-07-16T09:00:00.000Z	33 \| good	5.686 \| good	24.661 \| good	32.56 \| good	0.921 \| good	6.114 \| good	0.119 \| good
2025-07-16T10:00:00.000Z	33 \| good	5.921 \| good	25.545 \| good	32.134 \| good	0.925 \| good	5.853 \| good	0.117 \| good
2025-07-16T11:00:00.000Z	33 \| good	6.304 \| good	28.123 \| good	32.091 \| good	0.928 \| good	5.593 \| good	0.116 \| good
2025-07-16T12:00:00.000Z	38 \| good	6.708 \| good	30.092 \| good	26.564 \| good	0.932 \| good	5.333 \| good	0.115 \| good
2025-07-16T13:00:00.000Z	38 \| good	7.283 \| good	32.223 \| good	30.156 \| good	0.979 \| good	4.739 \| good	0.115 \| good
2025-07-16T14:00:00.000Z	44 \| good	7.692 \| good	33.744 \| good	30.604 \| good	1.026 \| good	4.145 \| good	0.116 \| good
2025-07-16T15:00:00.000Z	44 \| good	8.235 \| good	36.204 \| good	31.433 \| good	1.073 \| good	3.551 \| good	0.116 \| good
2025-07-16T16:00:00.000Z	49 \| good	8.52 \| good	37.698 \| good	34.481 \| good	0.965 \| good	3.046 \| good	0.116 \| good

Aliso Viejo

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Aliso Viejo, California air quality map: Stay updated on AQI near you

0.21ppm

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 Aliso Viejo, California?

The air quality information for Aliso Viejo, California is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Aliso Viejo, California at its worst?

In the past 24 hours, the air quality in Aliso Viejo, California was at its worst at 08:00:00 on 2025-07-13.

When did Aliso Viejo, California experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Aliso Viejo, California was observed at 08:00:00 on 2025-07-14.

What is the AQI in Aliso Viejo, California right now?

As of now, the AQI in Aliso Viejo, California is 44, indicating Good conditions.

What is the most common type of pollution in Aliso Viejo, California?

Aliso Viejo, California air has the highest levels of PM2.5.

What should I do in case of poor air quality in Aliso Viejo, California?

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

What is the PM_2.5 level in Aliso Viejo, California at the moment?

PM_2.5 levels in Aliso Viejo, California are currently 7.557 μg/m³.

What is the PM₁₀ level in Aliso Viejo, California at the moment?

The PM₁₀ concentration in Aliso Viejo, California is 17.152 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Aliso Viejo, California at the moment?

The current carbon monoxide (CO) concentration in Aliso Viejo, California is 0.213 ppm.

What is the sulfur dioxide (SO₂) level in Aliso Viejo, California at the moment?

Currently, Aliso Viejo, California has a sulfur dioxide (SO₂) concentration of 1.38 ppb.

What is the ozone (O₃) level in Aliso Viejo, California at the moment?

The current ozone (O₃) level in Aliso Viejo, California at the moment is 24.774 ppm.

What is the nitrogen dioxide (NO₂) level in Aliso Viejo, California at the moment?

Nitrogen dioxide (NO₂) level in Aliso Viejo, California at the moment is 12.88 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-12T17:00:00.000Z	49 \| good	9.339 \| good	29.909 \| good	29.17 \| good	0.472 \| good	7.367 \| good	0.226 \| good
2025-07-12T18:00:00.000Z	44 \| good	8.454 \| good	32.76 \| good	28.634 \| good	0.576 \| good	7.287 \| good	0.224 \| good
2025-07-12T19:00:00.000Z	49 \| good	8.614 \| good	24.352 \| good	33.374 \| good	0.729 \| good	5.794 \| good	0.249 \| good
2025-07-12T20:00:00.000Z	44 \| good	7.857 \| good	29.116 \| good	37.248 \| good	0.759 \| good	4.099 \| good	0.226 \| good
2025-07-12T21:00:00.000Z	49 \| good	8.551 \| good	25.238 \| good	37.775 \| good	0.452 \| good	4.253 \| good	0.201 \| good
2025-07-12T22:00:00.000Z	44 \| good	8.455 \| good	26.31 \| good	39.339 \| good	0.444 \| good	3.491 \| good	0.226 \| good
2025-07-12T23:00:00.000Z	49 \| good	8.989 \| good	41.268 \| good	41.885 \| good	0.426 \| good	3.529 \| good	0.22 \| good
2025-07-13T00:00:00.000Z	38 \| good	7.037 \| good	28.368 \| good	41.257 \| good	0.424 \| good	3.128 \| good	0.185 \| good
2025-07-13T01:00:00.000Z	38 \| good	7.057 \| good	33.463 \| good	39.049 \| good	0.513 \| good	3.142 \| good	0.211 \| good
2025-07-13T02:00:00.000Z	49 \| good	8.558 \| good	26.738 \| good	40.474 \| good	0.443 \| good	3.112 \| good	0.185 \| good
2025-07-13T03:00:00.000Z	44 \| good	8.05 \| good	35.798 \| good	36.169 \| good	0.416 \| good	4.231 \| good	0.211 \| good
2025-07-13T04:00:00.000Z	44 \| good	7.6 \| good	36.326 \| good	37.704 \| good	0.384 \| good	4.834 \| good	0.211 \| good
2025-07-13T05:00:00.000Z	44 \| good	8.107 \| good	37.898 \| good	35.955 \| good	0.259 \| good	3.963 \| good	0.211 \| good
2025-07-13T06:00:00.000Z	49 \| good	8.744 \| good	31.71 \| good	35.89 \| good	0.275 \| good	5.464 \| good	0.233 \| good
2025-07-13T07:00:00.000Z	49 \| good	9.256 \| good	27.687 \| good	30.225 \| good	0.5 \| good	6.466 \| good	0.252 \| good
2025-07-13T08:00:00.000Z	44 \| good	8.095 \| good	33.621 \| good	27.497 \| good	0.327 \| good	7.283 \| good	0.258 \| good
2025-07-13T09:00:00.000Z	38 \| good	6.91 \| good	26.251 \| good	26.294 \| good	0.233 \| good	5.422 \| good	0.249 \| good
2025-07-13T10:00:00.000Z	38 \| good	6.702 \| good	26.621 \| good	28.076 \| good	0.268 \| good	4.999 \| good	0.249 \| good
2025-07-13T11:00:00.000Z	38 \| good	7.215 \| good	25.441 \| good	26.827 \| good	0.191 \| good	8.266 \| good	0.249 \| good
2025-07-13T12:00:00.000Z	49 \| good	9.448 \| good	47.007 \| good	29.301 \| good	0.172 \| good	7.925 \| good	0.161 \| good
2025-07-13T13:00:00.000Z	54 \| moderate	10.513 \| good	37.538 \| good	24.253 \| good	0.257 \| good	7.102 \| good	0.219 \| good
2025-07-13T14:00:00.000Z	38 \| good	6.601 \| good	27.295 \| good	25.768 \| good	0.225 \| good	7.064 \| good	0.185 \| good
2025-07-13T15:00:00.000Z	56 \| moderate	11.756 \| good	42.777 \| good	26.684 \| good	0.317 \| good	5.96 \| good	0.185 \| good
2025-07-13T16:00:00.000Z	56 \| moderate	12.037 \| good	43.047 \| good	29.325 \| good	0.285 \| good	5.597 \| good	0.185 \| good
2025-07-13T17:00:00.000Z	54 \| moderate	10.998 \| good	20.234 \| good	33.136 \| good	0.323 \| good	4.608 \| good	0.185 \| good
2025-07-13T18:00:00.000Z	52 \| moderate	9.763 \| good	22.813 \| good	36.018 \| good	0.519 \| good	3.476 \| good	0.209 \| good
2025-07-13T19:00:00.000Z	54 \| moderate	11.227 \| good	35.583 \| good	37.843 \| good	0.56 \| good	3.375 \| good	0.209 \| good
2025-07-13T20:00:00.000Z	56 \| moderate	12.041 \| good	36.877 \| good	44.216 \| good	0.44 \| good	3.03 \| good	0.185 \| good
2025-07-13T21:00:00.000Z	52 \| moderate	10.402 \| good	34.607 \| good	49.057 \| good	0.367 \| good	2.845 \| good	0.185 \| good
2025-07-13T22:00:00.000Z	52 \| moderate	9.79 \| good	24.771 \| good	50.702 \| good	0.36 \| good	2.668 \| good	0.185 \| good
2025-07-13T23:00:00.000Z	49 \| good	9.138 \| good	22.47 \| good	50.816 \| good	0.477 \| good	3.222 \| good	0.185 \| good
2025-07-14T00:00:00.000Z	44 \| good	8.058 \| good	24.503 \| good	47.365 \| good	0.662 \| good	3.156 \| good	0.161 \| good
2025-07-14T01:00:00.000Z	42 \| good	6.878 \| good	24.373 \| good	44.762 \| good	0.601 \| good	3.117 \| good	0.185 \| good
2025-07-14T02:00:00.000Z	39 \| good	6.858 \| good	20.516 \| good	41.697 \| good	0.549 \| good	3.532 \| good	0.209 \| good
2025-07-14T03:00:00.000Z	38 \| good	6.937 \| good	21.338 \| good	38.326 \| good	0.446 \| good	5.605 \| good	0.265 \| good
2025-07-14T04:00:00.000Z	34 \| good	6.045 \| good	24.575 \| good	37.067 \| good	0.486 \| good	4.392 \| good	0.234 \| good
2025-07-14T05:00:00.000Z	29 \| good	4.404 \| good	15.119 \| good	30.757 \| good	0.49 \| good	3.721 \| good	0.21 \| good
2025-07-14T06:00:00.000Z	30 \| good	5.466 \| good	21.359 \| good	32.223 \| good	0.298 \| good	3.567 \| good	0.21 \| good
2025-07-14T07:00:00.000Z	33 \| good	5.928 \| good	23.71 \| good	29.982 \| good	0.431 \| good	5.146 \| good	0.222 \| good
2025-07-14T08:00:00.000Z	27 \| good	4.804 \| good	23.235 \| good	28.853 \| good	0.445 \| good	5.836 \| good	0.209 \| good
2025-07-14T09:00:00.000Z	33 \| good	5.624 \| good	16.896 \| good	27.137 \| good	0.373 \| good	7.8 \| good	0.141 \| good
2025-07-14T10:00:00.000Z	33 \| good	6.073 \| good	18.442 \| good	23.665 \| good	0.386 \| good	7.919 \| good	0.141 \| good
2025-07-14T11:00:00.000Z	44 \| good	7.968 \| good	23.224 \| good	22.889 \| good	0.343 \| good	9.089 \| good	0.141 \| good
2025-07-14T12:00:00.000Z	38 \| good	6.724 \| good	32.078 \| good	31.026 \| good	0.241 \| good	11.083 \| good	0.165 \| good
2025-07-14T13:00:00.000Z	38 \| good	6.511 \| good	29.274 \| good	31.034 \| good	0.239 \| good	15.585 \| good	0.198 \| good
2025-07-14T14:00:00.000Z	33 \| good	6.122 \| good	23.955 \| good	30.256 \| good	0.243 \| good	16.864 \| good	0.189 \| good
2025-07-14T15:00:00.000Z	44 \| good	7.557 \| good	17.152 \| good	24.774 \| good	1.38 \| good	12.88 \| good	0.213 \| good
2025-07-14T16:00:00.000Z	44 \| good	7.557 \| good	17.152 \| good	24.774 \| good	1.38 \| good	12.88 \| good	0.213 \| good
2025-07-14T17:00:00.000Z	52 \| moderate	10.194 \| good	45.155 \| good	37.41 \| good	1.701 \| good	3.779 \| good	0.138 \| good
2025-07-14T18:00:00.000Z	54 \| moderate	10.955 \| good	49.043 \| good	44.443 \| good	1.883 \| good	3.717 \| good	0.141 \| good
2025-07-14T19:00:00.000Z	52 \| moderate	9.586 \| good	42.853 \| good	49.767 \| good	1.856 \| good	3.289 \| good	0.14 \| good
2025-07-14T20:00:00.000Z	52 \| moderate	9.815 \| good	43.885 \| good	52.79 \| good	1.83 \| good	2.86 \| good	0.138 \| good
2025-07-14T21:00:00.000Z	52 \| moderate	9.679 \| good	43.192 \| good	54.141 \| good	1.803 \| good	2.432 \| good	0.136 \| good
2025-07-14T22:00:00.000Z	49 \| good	9.325 \| good	41.633 \| good	53.254 \| good	1.772 \| good	2.359 \| good	0.135 \| good
2025-07-14T23:00:00.000Z	49 \| good	8.707 \| good	38.599 \| good	49.512 \| good	1.741 \| good	2.287 \| good	0.134 \| good
2025-07-15T00:00:00.000Z	44 \| good	8.27 \| good	36.398 \| good	44.501 \| good	1.71 \| good	2.214 \| good	0.133 \| good
2025-07-15T01:00:00.000Z	34 \| good	6.464 \| good	28.416 \| good	36.741 \| good	1.558 \| good	3.059 \| good	0.131 \| good
2025-07-15T02:00:00.000Z	29 \| good	4.492 \| good	19.385 \| good	30.554 \| good	1.406 \| good	3.903 \| good	0.13 \| good
2025-07-15T03:00:00.000Z	29 \| good	4.37 \| good	19.206 \| good	30.644 \| good	1.254 \| good	4.747 \| good	0.129 \| good
2025-07-15T04:00:00.000Z	27 \| good	4.836 \| good	20.986 \| good	29.455 \| good	1.227 \| good	5.255 \| good	0.127 \| good
2025-07-15T05:00:00.000Z	27 \| good	4.746 \| good	20.877 \| good	29.288 \| good	1.2 \| good	5.763 \| good	0.125 \| good
2025-07-15T06:00:00.000Z	27 \| good	4.909 \| good	21.241 \| good	27.888 \| good	1.173 \| good	6.271 \| good	0.123 \| good
2025-07-15T07:00:00.000Z	27 \| good	5.131 \| good	22.257 \| good	27.353 \| good	1.148 \| good	6.395 \| good	0.123 \| good
2025-07-15T08:00:00.000Z	27 \| good	4.784 \| good	21.019 \| good	26.57 \| good	1.123 \| good	6.519 \| good	0.122 \| good
2025-07-15T09:00:00.000Z	33 \| good	5.84 \| good	25.459 \| good	26.749 \| good	1.097 \| good	6.643 \| good	0.122 \| good
2025-07-15T10:00:00.000Z	38 \| good	6.589 \| good	29.421 \| good	26.63 \| good	1.071 \| good	6.287 \| good	0.12 \| good
2025-07-15T11:00:00.000Z	33 \| good	6.366 \| good	28.317 \| good	26.952 \| good	1.045 \| good	5.932 \| good	0.119 \| good
2025-07-15T12:00:00.000Z	33 \| good	6.155 \| good	27.295 \| good	23.181 \| good	1.02 \| good	5.577 \| good	0.118 \| good
2025-07-15T13:00:00.000Z	33 \| good	6.285 \| good	27.597 \| good	26.643 \| good	1.072 \| good	4.99 \| good	0.118 \| good
2025-07-15T14:00:00.000Z	38 \| good	6.566 \| good	28.795 \| good	27.539 \| good	1.124 \| good	4.404 \| good	0.119 \| good
2025-07-15T15:00:00.000Z	44 \| good	7.63 \| good	33.759 \| good	30.029 \| good	1.177 \| good	3.817 \| good	0.119 \| good
2025-07-15T16:00:00.000Z	44 \| good	7.796 \| good	34.063 \| good	32.977 \| good	1.141 \| good	3.415 \| good	0.119 \| good
2025-07-15T17:00:00.000Z	38 \| good	7.443 \| good	32.84 \| good	35.361 \| good	1.104 \| good	3.013 \| good	0.118 \| good
2025-07-15T18:00:00.000Z	38 \| good	7.168 \| good	31.644 \| good	38.355 \| good	1.068 \| good	2.612 \| good	0.117 \| good
2025-07-15T19:00:00.000Z	38 \| good	6.161 \| good	27.293 \| good	40.662 \| good	0.95 \| good	2.142 \| good	0.114 \| good
2025-07-15T20:00:00.000Z	39 \| good	5.875 \| good	25.436 \| good	41.554 \| good	0.831 \| good	1.672 \| good	0.111 \| good
2025-07-15T21:00:00.000Z	39 \| good	5.809 \| good	25.187 \| good	41.611 \| good	0.712 \| good	1.202 \| good	0.108 \| good
2025-07-15T22:00:00.000Z	39 \| good	6.4 \| good	28.283 \| good	41.987 \| good	0.687 \| good	1.267 \| good	0.108 \| good
2025-07-15T23:00:00.000Z	40 \| good	6.699 \| good	29.981 \| good	42.533 \| good	0.661 \| good	1.333 \| good	0.108 \| good
2025-07-16T00:00:00.000Z	39 \| good	6.943 \| good	30.874 \| good	42.015 \| good	0.636 \| good	1.399 \| good	0.108 \| good
2025-07-16T01:00:00.000Z	38 \| good	6.931 \| good	30.724 \| good	40.18 \| good	0.666 \| good	2.258 \| good	0.11 \| good
2025-07-16T02:00:00.000Z	33 \| good	5.929 \| good	26.45 \| good	36.479 \| good	0.697 \| good	3.116 \| good	0.112 \| good
2025-07-16T03:00:00.000Z	33 \| good	6.268 \| good	27.955 \| good	36.441 \| good	0.727 \| good	3.975 \| good	0.114 \| good
2025-07-16T04:00:00.000Z	33 \| good	6.135 \| good	27.209 \| good	35.713 \| good	0.794 \| good	4.536 \| good	0.115 \| good
2025-07-16T05:00:00.000Z	33 \| good	5.991 \| good	26.992 \| good	35.547 \| good	0.861 \| good	5.096 \| good	0.116 \| good
2025-07-16T06:00:00.000Z	33 \| good	6.032 \| good	27.243 \| good	34.806 \| good	0.928 \| good	5.657 \| good	0.116 \| good
2025-07-16T07:00:00.000Z	33 \| good	5.899 \| good	25.749 \| good	33.919 \| good	0.926 \| good	5.809 \| good	0.117 \| good
2025-07-16T08:00:00.000Z	31 \| good	5.209 \| good	22.311 \| good	32.726 \| good	0.923 \| good	5.961 \| good	0.118 \| good
2025-07-16T09:00:00.000Z	33 \| good	5.686 \| good	24.661 \| good	32.56 \| good	0.921 \| good	6.114 \| good	0.119 \| good
2025-07-16T10:00:00.000Z	33 \| good	5.921 \| good	25.545 \| good	32.134 \| good	0.925 \| good	5.853 \| good	0.117 \| good
2025-07-16T11:00:00.000Z	33 \| good	6.304 \| good	28.123 \| good	32.091 \| good	0.928 \| good	5.593 \| good	0.116 \| good
2025-07-16T12:00:00.000Z	38 \| good	6.708 \| good	30.092 \| good	26.564 \| good	0.932 \| good	5.333 \| good	0.115 \| good
2025-07-16T13:00:00.000Z	38 \| good	7.283 \| good	32.223 \| good	30.156 \| good	0.979 \| good	4.739 \| good	0.115 \| good
2025-07-16T14:00:00.000Z	44 \| good	7.692 \| good	33.744 \| good	30.604 \| good	1.026 \| good	4.145 \| good	0.116 \| good
2025-07-16T15:00:00.000Z	44 \| good	8.235 \| good	36.204 \| good	31.433 \| good	1.073 \| good	3.551 \| good	0.116 \| good
2025-07-16T16:00:00.000Z	49 \| good	8.52 \| good	37.698 \| good	34.481 \| good	0.965 \| good	3.046 \| good	0.116 \| good

Real-time air quality index in Aliso Viejo, California today

Major air pollutants in Aliso Viejo, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Aliso Viejo, California air quality map: Stay updated on AQI near you

Air quality in nearby cities

Laguna Hills, California

Laguna Woods, California

Laguna Niguel, California

Laguna Beach, California

Mission Viejo, California

Ladera Ranch, California

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Frequently asked questions

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What is the PM2.5 level in Aliso Viejo, California at the moment?

What is the PM10 level in Aliso Viejo, California at the moment?

What is the carbon monoxide (CO) level in Aliso Viejo, California at the moment?

What is the sulfur dioxide (SO2) level in Aliso Viejo, California at the moment?

What is the ozone (O3) level in Aliso Viejo, California at the moment?

What is the nitrogen dioxide (NO2) level in Aliso Viejo, 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 Aliso Viejo, California at the moment?

What is the PM₁₀ level in Aliso Viejo, California at the moment?

What is the sulfur dioxide (SO₂) level in Aliso Viejo, California at the moment?

What is the ozone (O₃) level in Aliso Viejo, California at the moment?

What is the nitrogen dioxide (NO₂) level in Aliso Viejo, California at the moment?