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 0.851 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 18.938 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 21.312 ppb.

Live air quality index in Aliso Viejo, California today

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

PM2.5 levels in Aliso Viejo, California are currently 8.502 μg/m3.

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

The PM10 concentration in Aliso Viejo, California is 12.709 μg/m3 at the moment.

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)

8.50 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

12.71 μg/m³

155

255

425

605+

Ozone (O₃)

18.94 ppb

201

201+

Sulfur Dioxide (SO₂)

0.85 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

21.31 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.65 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
2025-12-05T17:00:00.000Z	25 \| good	4.355 \| good	15.241 \| good	24.152 \| good	0.899 \| good	26.49 \| good	0.573 \| good
2025-12-05T18:00:00.000Z	28 \| good	3.739 \| good	11.803 \| good	29.9 \| good	0.792 \| good	25.611 \| good	0.362 \| good
2025-12-05T19:00:00.000Z	27 \| good	3.713 \| good	10.813 \| good	29.324 \| good	0.601 \| good	23.981 \| good	0.286 \| good
2025-12-05T20:00:00.000Z	31 \| good	2.922 \| good	13.473 \| good	32.605 \| good	0.605 \| good	19.931 \| good	0.252 \| good
2025-12-05T21:00:00.000Z	33 \| good	3.192 \| good	15.381 \| good	35.828 \| good	0.597 \| good	15.03 \| good	0.252 \| good
2025-12-05T22:00:00.000Z	35 \| good	4.547 \| good	17.862 \| good	38.001 \| good	0.508 \| good	13.722 \| good	0.282 \| good
2025-12-05T23:00:00.000Z	34 \| good	4.848 \| good	17.188 \| good	36.974 \| good	0.582 \| good	17.855 \| good	0.252 \| good
2025-12-06T00:00:00.000Z	34 \| good	3.197 \| good	15.287 \| good	37.162 \| good	0.557 \| good	22.772 \| good	0.294 \| good
2025-12-06T01:00:00.000Z	31 \| good	2.119 \| good	14.683 \| good	33.308 \| good	0.46 \| good	24.758 \| good	0.36 \| good
2025-12-06T02:00:00.000Z	36 \| good	3.536 \| good	15.847 \| good	29.964 \| good	0.405 \| good	37.723 \| good	0.48 \| good
2025-12-06T03:00:00.000Z	36 \| good	5.996 \| good	18.079 \| good	25.778 \| good	0.65 \| good	37.625 \| good	0.644 \| good
2025-12-06T04:00:00.000Z	52 \| moderate	9.53 \| good	20.175 \| good	22.686 \| good	0.985 \| good	39.418 \| good	0.719 \| good
2025-12-06T05:00:00.000Z	52 \| moderate	9.968 \| good	19.903 \| good	16.912 \| good	0.959 \| good	35.337 \| good	0.76 \| good
2025-12-06T06:00:00.000Z	52 \| moderate	9.576 \| good	21.333 \| good	13.957 \| good	1.129 \| good	33.818 \| good	0.775 \| good
2025-12-06T07:00:00.000Z	52 \| moderate	9.584 \| good	20.663 \| good	13.948 \| good	1.03 \| good	33.605 \| good	0.775 \| good
2025-12-06T08:00:00.000Z	49 \| good	8.74 \| good	18.208 \| good	13.452 \| good	0.851 \| good	31.37 \| good	0.742 \| good
2025-12-06T09:00:00.000Z	38 \| good	7.036 \| good	15.597 \| good	13.554 \| good	0.766 \| good	29.202 \| good	0.744 \| good
2025-12-06T10:00:00.000Z	33 \| good	6.233 \| good	13.765 \| good	18.041 \| good	0.853 \| good	28.38 \| good	0.666 \| good
2025-12-06T11:00:00.000Z	33 \| good	5.71 \| good	11.56 \| good	18.702 \| good	0.979 \| good	27.918 \| good	0.579 \| good
2025-12-06T12:00:00.000Z	33 \| good	5.764 \| good	9.263 \| good	19.673 \| good	0.935 \| good	28.36 \| good	0.579 \| good
2025-12-06T13:00:00.000Z	27 \| good	5.441 \| good	9.885 \| good	19.71 \| good	0.941 \| good	28.253 \| good	0.579 \| good
2025-12-06T14:00:00.000Z	27 \| good	4.974 \| good	8.248 \| good	17.231 \| good	0.994 \| good	23.116 \| good	0.583 \| good
2025-12-06T15:00:00.000Z	27 \| good	5.411 \| good	11.32 \| good	20.781 \| good	1.182 \| good	25.38 \| good	0.744 \| good
2025-12-06T16:00:00.000Z	33 \| good	5.686 \| good	12.523 \| good	23.614 \| good	1.171 \| good	24.687 \| good	0.764 \| good
2025-12-06T17:00:00.000Z	33 \| good	6.224 \| good	18.918 \| good	22.526 \| good	0.968 \| good	27.53 \| good	0.631 \| good
2025-12-06T18:00:00.000Z	33 \| good	5.568 \| good	18.094 \| good	28.621 \| good	0.743 \| good	27.114 \| good	0.436 \| good
2025-12-06T19:00:00.000Z	27 \| good	4.989 \| good	16.032 \| good	29.047 \| good	1.139 \| good	24.603 \| good	0.389 \| good
2025-12-06T20:00:00.000Z	31 \| good	4.885 \| good	15.897 \| good	34.057 \| good	0.919 \| good	18.78 \| good	0.375 \| good
2025-12-06T21:00:00.000Z	34 \| good	5.996 \| good	13.613 \| good	37.301 \| good	0.907 \| good	15.472 \| good	0.319 \| good
2025-12-06T22:00:00.000Z	35 \| good	6.334 \| good	13.708 \| good	38.452 \| good	0.598 \| good	10.413 \| good	0.273 \| good
2025-12-06T23:00:00.000Z	36 \| good	5.672 \| good	13.445 \| good	38.787 \| good	0.824 \| good	11.072 \| good	0.268 \| good
2025-12-07T00:00:00.000Z	35 \| good	5.367 \| good	12.304 \| good	37.806 \| good	0.745 \| good	7.334 \| good	0.273 \| good
2025-12-07T01:00:00.000Z	34 \| good	4.591 \| good	12.406 \| good	36.871 \| good	0.879 \| good	10.567 \| good	0.326 \| good
2025-12-07T02:00:00.000Z	33 \| good	6.023 \| good	13.252 \| good	35.568 \| good	0.781 \| good	17.421 \| good	0.409 \| good
2025-12-07T03:00:00.000Z	44 \| good	8.096 \| good	17.995 \| good	31.578 \| good	0.745 \| good	19.083 \| good	0.543 \| good
2025-12-07T04:00:00.000Z	54 \| moderate	11.242 \| good	20.77 \| good	26.844 \| good	0.949 \| good	20.761 \| good	0.608 \| good
2025-12-07T05:00:00.000Z	56 \| moderate	12.341 \| fine	21.133 \| good	26.606 \| good	0.938 \| good	26.641 \| good	0.719 \| good
2025-12-07T06:00:00.000Z	56 \| moderate	12.058 \| good	20.148 \| good	18.775 \| good	0.799 \| good	29.856 \| good	0.852 \| good
2025-12-07T07:00:00.000Z	56 \| moderate	12.422 \| fine	23.391 \| good	18.664 \| good	0.838 \| good	31.03 \| good	0.853 \| good
2025-12-07T08:00:00.000Z	56 \| moderate	11.855 \| good	17.116 \| good	14.596 \| good	0.97 \| good	30.214 \| good	0.748 \| good
2025-12-07T09:00:00.000Z	52 \| moderate	10.264 \| good	12.975 \| good	17.678 \| good	0.883 \| good	28.566 \| good	0.734 \| good
2025-12-07T10:00:00.000Z	49 \| good	9.431 \| good	12.609 \| good	19.186 \| good	0.914 \| good	26.491 \| good	0.622 \| good
2025-12-07T11:00:00.000Z	52 \| moderate	9.625 \| good	12.294 \| good	19.115 \| good	0.912 \| good	24.747 \| good	0.622 \| good
2025-12-07T12:00:00.000Z	52 \| moderate	9.647 \| good	12.62 \| good	19.063 \| good	0.933 \| good	27.105 \| good	0.621 \| good
2025-12-07T13:00:00.000Z	49 \| good	9.164 \| good	11.819 \| good	19.728 \| good	0.822 \| good	8.728 \| good	0.867 \| good
2025-12-07T14:00:00.000Z	49 \| good	8.671 \| good	14.159 \| good	19.766 \| good	0.718 \| good	19.698 \| good	0.607 \| good
2025-12-07T15:00:00.000Z	49 \| good	8.502 \| good	12.709 \| good	18.938 \| good	0.851 \| good	21.312 \| good	0.645 \| good
2025-12-07T16:00:00.000Z	49 \| good	8.502 \| good	12.709 \| good	18.938 \| good	0.851 \| good	21.312 \| good	0.645 \| good
2025-12-07T17:00:00.000Z	138 \| sensitive	50.495 \| moderate	228.77 \| moderate	28.654 \| good	2.621 \| good	17.552 \| good	0.295 \| good
2025-12-07T18:00:00.000Z	149 \| sensitive	54.638 \| moderate	248.933 \| moderate	36.464 \| good	2.935 \| good	14.813 \| good	0.272 \| good
2025-12-07T19:00:00.000Z	152 \| unhealthy	56.943 \| poor	252.312 \| moderate	45.277 \| good	3.21 \| good	14.47 \| good	0.258 \| good
2025-12-07T20:00:00.000Z	132 \| sensitive	47.841 \| moderate	215.054 \| moderate	52.509 \| good	3.486 \| good	14.127 \| good	0.244 \| good
2025-12-07T21:00:00.000Z	117 \| sensitive	42 \| moderate	186.595 \| moderate	56.606 \| fine	3.761 \| good	13.784 \| good	0.23 \| good
2025-12-07T22:00:00.000Z	103 \| sensitive	36.466 \| moderate	159.624 \| moderate	58.697 \| fine	3.925 \| good	18.906 \| good	0.253 \| good
2025-12-07T23:00:00.000Z	92 \| moderate	30.989 \| fine	136.121 \| fine	57.952 \| fine	4.089 \| good	24.027 \| good	0.276 \| good
2025-12-08T00:00:00.000Z	90 \| moderate	29.703 \| fine	130.138 \| fine	53.681 \| good	4.253 \| good	29.148 \| good	0.299 \| good
2025-12-08T01:00:00.000Z	88 \| moderate	29.326 \| fine	127.588 \| fine	47.955 \| good	4.421 \| good	34.816 \| good	0.359 \| good
2025-12-08T02:00:00.000Z	96 \| moderate	32.991 \| fine	143.959 \| fine	42.352 \| good	4.588 \| good	40.484 \| good	0.419 \| good
2025-12-08T03:00:00.000Z	117 \| sensitive	41.563 \| moderate	184.521 \| moderate	36.642 \| good	4.756 \| good	46.152 \| good	0.479 \| good
2025-12-08T04:00:00.000Z	142 \| sensitive	52.238 \| moderate	234.065 \| moderate	31.104 \| good	4.562 \| good	45.236 \| good	0.488 \| good
2025-12-08T05:00:00.000Z	153 \| unhealthy	59.202 \| poor	254.328 \| moderate	27.529 \| good	4.368 \| good	44.321 \| good	0.498 \| good
2025-12-08T06:00:00.000Z	157 \| unhealthy	64.296 \| poor	262.641 \| poor	24.922 \| good	4.174 \| good	43.406 \| good	0.507 \| good
2025-12-08T07:00:00.000Z	162 \| unhealthy	70.709 \| poor	270.121 \| poor	23.384 \| good	3.837 \| good	41.538 \| good	0.488 \| good
2025-12-08T08:00:00.000Z	164 \| unhealthy	74.389 \| poor	274.303 \| poor	22.279 \| good	3.501 \| good	39.671 \| good	0.47 \| good
2025-12-08T09:00:00.000Z	166 \| unhealthy	77.409 \| poor	277.918 \| poor	21.188 \| good	3.164 \| good	37.804 \| good	0.451 \| good
2025-12-08T10:00:00.000Z	168 \| unhealthy	80.34 \| poor	280.131 \| poor	20.774 \| good	2.875 \| good	35.569 \| good	0.418 \| good
2025-12-08T11:00:00.000Z	168 \| unhealthy	79.652 \| poor	279.99 \| poor	19.478 \| good	2.585 \| good	33.334 \| good	0.386 \| good
2025-12-08T12:00:00.000Z	165 \| unhealthy	75.282 \| poor	275.993 \| poor	19.803 \| good	2.295 \| good	31.099 \| good	0.353 \| good
2025-12-08T13:00:00.000Z	164 \| unhealthy	73.88 \| poor	273.965 \| poor	19.633 \| good	2.255 \| good	30.158 \| good	0.339 \| good
2025-12-08T14:00:00.000Z	161 \| unhealthy	69.866 \| poor	269.971 \| poor	18.266 \| good	2.214 \| good	29.217 \| good	0.325 \| good
2025-12-08T15:00:00.000Z	159 \| unhealthy	66.716 \| poor	266.02 \| poor	16.724 \| good	2.174 \| good	28.276 \| good	0.311 \| good
2025-12-08T16:00:00.000Z	158 \| unhealthy	64.589 \| poor	262.83 \| poor	17.825 \| good	2.359 \| good	24.866 \| good	0.303 \| good
2025-12-08T17:00:00.000Z	158 \| unhealthy	66.299 \| poor	263.405 \| poor	23.89 \| good	2.543 \| good	21.456 \| good	0.294 \| good
2025-12-08T18:00:00.000Z	154 \| unhealthy	60.081 \| poor	250.93 \| moderate	30.851 \| good	2.727 \| good	18.046 \| good	0.286 \| good
2025-12-08T19:00:00.000Z	151 \| unhealthy	55.532 \| poor	241.414 \| moderate	35.021 \| good	2.767 \| good	16.31 \| good	0.262 \| good
2025-12-08T20:00:00.000Z	152 \| unhealthy	57.357 \| poor	244.891 \| moderate	37.514 \| good	2.807 \| good	14.575 \| good	0.237 \| good
2025-12-08T21:00:00.000Z	152 \| unhealthy	56.611 \| poor	244.888 \| moderate	37.69 \| good	2.847 \| good	12.84 \| good	0.213 \| good
2025-12-08T22:00:00.000Z	117 \| sensitive	42.185 \| moderate	187.777 \| moderate	34.86 \| good	3.098 \| good	17.587 \| good	0.232 \| good
2025-12-08T23:00:00.000Z	98 \| moderate	34.408 \| fine	149.748 \| fine	28.892 \| good	3.349 \| good	22.334 \| good	0.251 \| good
2025-12-09T00:00:00.000Z	94 \| moderate	32.104 \| fine	138.581 \| fine	21.695 \| good	3.6 \| good	27.082 \| good	0.27 \| good
2025-12-09T01:00:00.000Z	90 \| moderate	29.699 \| fine	129.006 \| fine	16.65 \| good	3.836 \| good	32.592 \| good	0.305 \| good
2025-12-09T02:00:00.000Z	81 \| moderate	24.748 \| fine	107.882 \| fine	14.056 \| good	4.073 \| good	38.102 \| good	0.339 \| good
2025-12-09T03:00:00.000Z	69 \| moderate	18.943 \| fine	83.237 \| fine	12.21 \| good	4.31 \| good	43.612 \| good	0.374 \| good
2025-12-09T04:00:00.000Z	60 \| moderate	14 \| fine	62.782 \| fine	14.53 \| good	3.774 \| good	40.979 \| good	0.375 \| good
2025-12-09T05:00:00.000Z	52 \| moderate	9.617 \| good	42.486 \| good	17.377 \| good	3.239 \| good	38.345 \| good	0.376 \| good
2025-12-09T06:00:00.000Z	38 \| good	6.788 \| good	30.016 \| good	20.198 \| good	2.703 \| good	35.711 \| good	0.377 \| good
2025-12-09T07:00:00.000Z	33 \| good	5.605 \| good	23.992 \| good	19.672 \| good	2.23 \| good	31.655 \| good	0.333 \| good
2025-12-09T08:00:00.000Z	33 \| good	6.022 \| good	26.097 \| good	19.546 \| good	1.757 \| good	27.599 \| good	0.289 \| good
2025-12-09T09:00:00.000Z	33 \| good	6.116 \| good	26.279 \| good	18.358 \| good	1.284 \| good	23.543 \| good	0.246 \| good
2025-12-09T10:00:00.000Z	27 \| good	5.483 \| good	23.525 \| good	17.498 \| good	1.203 \| good	19.879 \| good	0.218 \| good
2025-12-09T11:00:00.000Z	27 \| good	4.984 \| good	21.878 \| good	17.123 \| good	1.123 \| good	16.216 \| good	0.19 \| good
2025-12-09T12:00:00.000Z	22 \| good	4.274 \| good	18.436 \| good	17.461 \| good	1.042 \| good	12.552 \| good	0.163 \| good
2025-12-09T13:00:00.000Z	16 \| good	2.63 \| good	10.801 \| good	17.069 \| good	1.155 \| good	14.111 \| good	0.171 \| good
2025-12-09T14:00:00.000Z	16 \| good	3.184 \| good	12.941 \| good	15.581 \| good	1.269 \| good	15.671 \| good	0.179 \| good
2025-12-09T15:00:00.000Z	16 \| good	3.001 \| good	12.449 \| good	14.191 \| good	1.382 \| good	17.23 \| good	0.187 \| good
2025-12-09T16:00:00.000Z	16 \| good	3.425 \| good	15.096 \| good	13.301 \| good	1.63 \| good	16.434 \| good	0.201 \| good

Aliso Viejo

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

0.65ppm

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 2025-12-07.

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 07:00:00 on 2025-12-06.

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

As of now, the AQI in Aliso Viejo, California is 49, 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 8.502 μg/m³.

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

The PM₁₀ concentration in Aliso Viejo, California is 12.709 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 0.645 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 0.851 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 18.938 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 21.312 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T17:00:00.000Z	25 \| good	4.355 \| good	15.241 \| good	24.152 \| good	0.899 \| good	26.49 \| good	0.573 \| good
2025-12-05T18:00:00.000Z	28 \| good	3.739 \| good	11.803 \| good	29.9 \| good	0.792 \| good	25.611 \| good	0.362 \| good
2025-12-05T19:00:00.000Z	27 \| good	3.713 \| good	10.813 \| good	29.324 \| good	0.601 \| good	23.981 \| good	0.286 \| good
2025-12-05T20:00:00.000Z	31 \| good	2.922 \| good	13.473 \| good	32.605 \| good	0.605 \| good	19.931 \| good	0.252 \| good
2025-12-05T21:00:00.000Z	33 \| good	3.192 \| good	15.381 \| good	35.828 \| good	0.597 \| good	15.03 \| good	0.252 \| good
2025-12-05T22:00:00.000Z	35 \| good	4.547 \| good	17.862 \| good	38.001 \| good	0.508 \| good	13.722 \| good	0.282 \| good
2025-12-05T23:00:00.000Z	34 \| good	4.848 \| good	17.188 \| good	36.974 \| good	0.582 \| good	17.855 \| good	0.252 \| good
2025-12-06T00:00:00.000Z	34 \| good	3.197 \| good	15.287 \| good	37.162 \| good	0.557 \| good	22.772 \| good	0.294 \| good
2025-12-06T01:00:00.000Z	31 \| good	2.119 \| good	14.683 \| good	33.308 \| good	0.46 \| good	24.758 \| good	0.36 \| good
2025-12-06T02:00:00.000Z	36 \| good	3.536 \| good	15.847 \| good	29.964 \| good	0.405 \| good	37.723 \| good	0.48 \| good
2025-12-06T03:00:00.000Z	36 \| good	5.996 \| good	18.079 \| good	25.778 \| good	0.65 \| good	37.625 \| good	0.644 \| good
2025-12-06T04:00:00.000Z	52 \| moderate	9.53 \| good	20.175 \| good	22.686 \| good	0.985 \| good	39.418 \| good	0.719 \| good
2025-12-06T05:00:00.000Z	52 \| moderate	9.968 \| good	19.903 \| good	16.912 \| good	0.959 \| good	35.337 \| good	0.76 \| good
2025-12-06T06:00:00.000Z	52 \| moderate	9.576 \| good	21.333 \| good	13.957 \| good	1.129 \| good	33.818 \| good	0.775 \| good
2025-12-06T07:00:00.000Z	52 \| moderate	9.584 \| good	20.663 \| good	13.948 \| good	1.03 \| good	33.605 \| good	0.775 \| good
2025-12-06T08:00:00.000Z	49 \| good	8.74 \| good	18.208 \| good	13.452 \| good	0.851 \| good	31.37 \| good	0.742 \| good
2025-12-06T09:00:00.000Z	38 \| good	7.036 \| good	15.597 \| good	13.554 \| good	0.766 \| good	29.202 \| good	0.744 \| good
2025-12-06T10:00:00.000Z	33 \| good	6.233 \| good	13.765 \| good	18.041 \| good	0.853 \| good	28.38 \| good	0.666 \| good
2025-12-06T11:00:00.000Z	33 \| good	5.71 \| good	11.56 \| good	18.702 \| good	0.979 \| good	27.918 \| good	0.579 \| good
2025-12-06T12:00:00.000Z	33 \| good	5.764 \| good	9.263 \| good	19.673 \| good	0.935 \| good	28.36 \| good	0.579 \| good
2025-12-06T13:00:00.000Z	27 \| good	5.441 \| good	9.885 \| good	19.71 \| good	0.941 \| good	28.253 \| good	0.579 \| good
2025-12-06T14:00:00.000Z	27 \| good	4.974 \| good	8.248 \| good	17.231 \| good	0.994 \| good	23.116 \| good	0.583 \| good
2025-12-06T15:00:00.000Z	27 \| good	5.411 \| good	11.32 \| good	20.781 \| good	1.182 \| good	25.38 \| good	0.744 \| good
2025-12-06T16:00:00.000Z	33 \| good	5.686 \| good	12.523 \| good	23.614 \| good	1.171 \| good	24.687 \| good	0.764 \| good
2025-12-06T17:00:00.000Z	33 \| good	6.224 \| good	18.918 \| good	22.526 \| good	0.968 \| good	27.53 \| good	0.631 \| good
2025-12-06T18:00:00.000Z	33 \| good	5.568 \| good	18.094 \| good	28.621 \| good	0.743 \| good	27.114 \| good	0.436 \| good
2025-12-06T19:00:00.000Z	27 \| good	4.989 \| good	16.032 \| good	29.047 \| good	1.139 \| good	24.603 \| good	0.389 \| good
2025-12-06T20:00:00.000Z	31 \| good	4.885 \| good	15.897 \| good	34.057 \| good	0.919 \| good	18.78 \| good	0.375 \| good
2025-12-06T21:00:00.000Z	34 \| good	5.996 \| good	13.613 \| good	37.301 \| good	0.907 \| good	15.472 \| good	0.319 \| good
2025-12-06T22:00:00.000Z	35 \| good	6.334 \| good	13.708 \| good	38.452 \| good	0.598 \| good	10.413 \| good	0.273 \| good
2025-12-06T23:00:00.000Z	36 \| good	5.672 \| good	13.445 \| good	38.787 \| good	0.824 \| good	11.072 \| good	0.268 \| good
2025-12-07T00:00:00.000Z	35 \| good	5.367 \| good	12.304 \| good	37.806 \| good	0.745 \| good	7.334 \| good	0.273 \| good
2025-12-07T01:00:00.000Z	34 \| good	4.591 \| good	12.406 \| good	36.871 \| good	0.879 \| good	10.567 \| good	0.326 \| good
2025-12-07T02:00:00.000Z	33 \| good	6.023 \| good	13.252 \| good	35.568 \| good	0.781 \| good	17.421 \| good	0.409 \| good
2025-12-07T03:00:00.000Z	44 \| good	8.096 \| good	17.995 \| good	31.578 \| good	0.745 \| good	19.083 \| good	0.543 \| good
2025-12-07T04:00:00.000Z	54 \| moderate	11.242 \| good	20.77 \| good	26.844 \| good	0.949 \| good	20.761 \| good	0.608 \| good
2025-12-07T05:00:00.000Z	56 \| moderate	12.341 \| fine	21.133 \| good	26.606 \| good	0.938 \| good	26.641 \| good	0.719 \| good
2025-12-07T06:00:00.000Z	56 \| moderate	12.058 \| good	20.148 \| good	18.775 \| good	0.799 \| good	29.856 \| good	0.852 \| good
2025-12-07T07:00:00.000Z	56 \| moderate	12.422 \| fine	23.391 \| good	18.664 \| good	0.838 \| good	31.03 \| good	0.853 \| good
2025-12-07T08:00:00.000Z	56 \| moderate	11.855 \| good	17.116 \| good	14.596 \| good	0.97 \| good	30.214 \| good	0.748 \| good
2025-12-07T09:00:00.000Z	52 \| moderate	10.264 \| good	12.975 \| good	17.678 \| good	0.883 \| good	28.566 \| good	0.734 \| good
2025-12-07T10:00:00.000Z	49 \| good	9.431 \| good	12.609 \| good	19.186 \| good	0.914 \| good	26.491 \| good	0.622 \| good
2025-12-07T11:00:00.000Z	52 \| moderate	9.625 \| good	12.294 \| good	19.115 \| good	0.912 \| good	24.747 \| good	0.622 \| good
2025-12-07T12:00:00.000Z	52 \| moderate	9.647 \| good	12.62 \| good	19.063 \| good	0.933 \| good	27.105 \| good	0.621 \| good
2025-12-07T13:00:00.000Z	49 \| good	9.164 \| good	11.819 \| good	19.728 \| good	0.822 \| good	8.728 \| good	0.867 \| good
2025-12-07T14:00:00.000Z	49 \| good	8.671 \| good	14.159 \| good	19.766 \| good	0.718 \| good	19.698 \| good	0.607 \| good
2025-12-07T15:00:00.000Z	49 \| good	8.502 \| good	12.709 \| good	18.938 \| good	0.851 \| good	21.312 \| good	0.645 \| good
2025-12-07T16:00:00.000Z	49 \| good	8.502 \| good	12.709 \| good	18.938 \| good	0.851 \| good	21.312 \| good	0.645 \| good
2025-12-07T17:00:00.000Z	138 \| sensitive	50.495 \| moderate	228.77 \| moderate	28.654 \| good	2.621 \| good	17.552 \| good	0.295 \| good
2025-12-07T18:00:00.000Z	149 \| sensitive	54.638 \| moderate	248.933 \| moderate	36.464 \| good	2.935 \| good	14.813 \| good	0.272 \| good
2025-12-07T19:00:00.000Z	152 \| unhealthy	56.943 \| poor	252.312 \| moderate	45.277 \| good	3.21 \| good	14.47 \| good	0.258 \| good
2025-12-07T20:00:00.000Z	132 \| sensitive	47.841 \| moderate	215.054 \| moderate	52.509 \| good	3.486 \| good	14.127 \| good	0.244 \| good
2025-12-07T21:00:00.000Z	117 \| sensitive	42 \| moderate	186.595 \| moderate	56.606 \| fine	3.761 \| good	13.784 \| good	0.23 \| good
2025-12-07T22:00:00.000Z	103 \| sensitive	36.466 \| moderate	159.624 \| moderate	58.697 \| fine	3.925 \| good	18.906 \| good	0.253 \| good
2025-12-07T23:00:00.000Z	92 \| moderate	30.989 \| fine	136.121 \| fine	57.952 \| fine	4.089 \| good	24.027 \| good	0.276 \| good
2025-12-08T00:00:00.000Z	90 \| moderate	29.703 \| fine	130.138 \| fine	53.681 \| good	4.253 \| good	29.148 \| good	0.299 \| good
2025-12-08T01:00:00.000Z	88 \| moderate	29.326 \| fine	127.588 \| fine	47.955 \| good	4.421 \| good	34.816 \| good	0.359 \| good
2025-12-08T02:00:00.000Z	96 \| moderate	32.991 \| fine	143.959 \| fine	42.352 \| good	4.588 \| good	40.484 \| good	0.419 \| good
2025-12-08T03:00:00.000Z	117 \| sensitive	41.563 \| moderate	184.521 \| moderate	36.642 \| good	4.756 \| good	46.152 \| good	0.479 \| good
2025-12-08T04:00:00.000Z	142 \| sensitive	52.238 \| moderate	234.065 \| moderate	31.104 \| good	4.562 \| good	45.236 \| good	0.488 \| good
2025-12-08T05:00:00.000Z	153 \| unhealthy	59.202 \| poor	254.328 \| moderate	27.529 \| good	4.368 \| good	44.321 \| good	0.498 \| good
2025-12-08T06:00:00.000Z	157 \| unhealthy	64.296 \| poor	262.641 \| poor	24.922 \| good	4.174 \| good	43.406 \| good	0.507 \| good
2025-12-08T07:00:00.000Z	162 \| unhealthy	70.709 \| poor	270.121 \| poor	23.384 \| good	3.837 \| good	41.538 \| good	0.488 \| good
2025-12-08T08:00:00.000Z	164 \| unhealthy	74.389 \| poor	274.303 \| poor	22.279 \| good	3.501 \| good	39.671 \| good	0.47 \| good
2025-12-08T09:00:00.000Z	166 \| unhealthy	77.409 \| poor	277.918 \| poor	21.188 \| good	3.164 \| good	37.804 \| good	0.451 \| good
2025-12-08T10:00:00.000Z	168 \| unhealthy	80.34 \| poor	280.131 \| poor	20.774 \| good	2.875 \| good	35.569 \| good	0.418 \| good
2025-12-08T11:00:00.000Z	168 \| unhealthy	79.652 \| poor	279.99 \| poor	19.478 \| good	2.585 \| good	33.334 \| good	0.386 \| good
2025-12-08T12:00:00.000Z	165 \| unhealthy	75.282 \| poor	275.993 \| poor	19.803 \| good	2.295 \| good	31.099 \| good	0.353 \| good
2025-12-08T13:00:00.000Z	164 \| unhealthy	73.88 \| poor	273.965 \| poor	19.633 \| good	2.255 \| good	30.158 \| good	0.339 \| good
2025-12-08T14:00:00.000Z	161 \| unhealthy	69.866 \| poor	269.971 \| poor	18.266 \| good	2.214 \| good	29.217 \| good	0.325 \| good
2025-12-08T15:00:00.000Z	159 \| unhealthy	66.716 \| poor	266.02 \| poor	16.724 \| good	2.174 \| good	28.276 \| good	0.311 \| good
2025-12-08T16:00:00.000Z	158 \| unhealthy	64.589 \| poor	262.83 \| poor	17.825 \| good	2.359 \| good	24.866 \| good	0.303 \| good
2025-12-08T17:00:00.000Z	158 \| unhealthy	66.299 \| poor	263.405 \| poor	23.89 \| good	2.543 \| good	21.456 \| good	0.294 \| good
2025-12-08T18:00:00.000Z	154 \| unhealthy	60.081 \| poor	250.93 \| moderate	30.851 \| good	2.727 \| good	18.046 \| good	0.286 \| good
2025-12-08T19:00:00.000Z	151 \| unhealthy	55.532 \| poor	241.414 \| moderate	35.021 \| good	2.767 \| good	16.31 \| good	0.262 \| good
2025-12-08T20:00:00.000Z	152 \| unhealthy	57.357 \| poor	244.891 \| moderate	37.514 \| good	2.807 \| good	14.575 \| good	0.237 \| good
2025-12-08T21:00:00.000Z	152 \| unhealthy	56.611 \| poor	244.888 \| moderate	37.69 \| good	2.847 \| good	12.84 \| good	0.213 \| good
2025-12-08T22:00:00.000Z	117 \| sensitive	42.185 \| moderate	187.777 \| moderate	34.86 \| good	3.098 \| good	17.587 \| good	0.232 \| good
2025-12-08T23:00:00.000Z	98 \| moderate	34.408 \| fine	149.748 \| fine	28.892 \| good	3.349 \| good	22.334 \| good	0.251 \| good
2025-12-09T00:00:00.000Z	94 \| moderate	32.104 \| fine	138.581 \| fine	21.695 \| good	3.6 \| good	27.082 \| good	0.27 \| good
2025-12-09T01:00:00.000Z	90 \| moderate	29.699 \| fine	129.006 \| fine	16.65 \| good	3.836 \| good	32.592 \| good	0.305 \| good
2025-12-09T02:00:00.000Z	81 \| moderate	24.748 \| fine	107.882 \| fine	14.056 \| good	4.073 \| good	38.102 \| good	0.339 \| good
2025-12-09T03:00:00.000Z	69 \| moderate	18.943 \| fine	83.237 \| fine	12.21 \| good	4.31 \| good	43.612 \| good	0.374 \| good
2025-12-09T04:00:00.000Z	60 \| moderate	14 \| fine	62.782 \| fine	14.53 \| good	3.774 \| good	40.979 \| good	0.375 \| good
2025-12-09T05:00:00.000Z	52 \| moderate	9.617 \| good	42.486 \| good	17.377 \| good	3.239 \| good	38.345 \| good	0.376 \| good
2025-12-09T06:00:00.000Z	38 \| good	6.788 \| good	30.016 \| good	20.198 \| good	2.703 \| good	35.711 \| good	0.377 \| good
2025-12-09T07:00:00.000Z	33 \| good	5.605 \| good	23.992 \| good	19.672 \| good	2.23 \| good	31.655 \| good	0.333 \| good
2025-12-09T08:00:00.000Z	33 \| good	6.022 \| good	26.097 \| good	19.546 \| good	1.757 \| good	27.599 \| good	0.289 \| good
2025-12-09T09:00:00.000Z	33 \| good	6.116 \| good	26.279 \| good	18.358 \| good	1.284 \| good	23.543 \| good	0.246 \| good
2025-12-09T10:00:00.000Z	27 \| good	5.483 \| good	23.525 \| good	17.498 \| good	1.203 \| good	19.879 \| good	0.218 \| good
2025-12-09T11:00:00.000Z	27 \| good	4.984 \| good	21.878 \| good	17.123 \| good	1.123 \| good	16.216 \| good	0.19 \| good
2025-12-09T12:00:00.000Z	22 \| good	4.274 \| good	18.436 \| good	17.461 \| good	1.042 \| good	12.552 \| good	0.163 \| good
2025-12-09T13:00:00.000Z	16 \| good	2.63 \| good	10.801 \| good	17.069 \| good	1.155 \| good	14.111 \| good	0.171 \| good
2025-12-09T14:00:00.000Z	16 \| good	3.184 \| good	12.941 \| good	15.581 \| good	1.269 \| good	15.671 \| good	0.179 \| good
2025-12-09T15:00:00.000Z	16 \| good	3.001 \| good	12.449 \| good	14.191 \| good	1.382 \| good	17.23 \| good	0.187 \| good
2025-12-09T16:00:00.000Z	16 \| good	3.425 \| good	15.096 \| good	13.301 \| good	1.63 \| good	16.434 \| good	0.201 \| good

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

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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?