What is the current concentration of PM10 in Lake Forest, California?

The current PM10 concentration at Lake Forest, California is 28.201 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Lake Forest, California?

The current sulfur dioxide (SO2) concentration at Lake Forest, California is 1.002 ppb.

What is the current concentration of ozone (O3) in Lake Forest, California?

The current ozone (O3) concentration at Lake Forest, California is 15.869 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Lake Forest, California?

The current nitrogen dioxide (NO2) concentration at Lake Forest, California is 31.857 ppb.

Lake Forest, California live air quality index now

Q: What is the current concentration of PM2.5 in Lake Forest, California?

The current PM2.5 concentration at Lake Forest, California is 19.159 μg/m3.

Stay updated with real-time air quality in Lake Forest, 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

Lake Forest, California

Last updated: ... (Local time)

Major air pollutants in Lake Forest, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

19.16 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

28.20 μg/m³

155

255

425

605+

Ozone (O₃)

15.87 ppb

201

201+

Sulfur Dioxide (SO₂)

1.00 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

31.86 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

1.03 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Lake Forest, California

Get Live Pollen Counts

Lake Forest, California

Scroll To Air Quality Map

Track live Lake Forest, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-06T09:00:00.000Z	33 \| good	6.186 \| good	13.238 \| good	14.868 \| good	0.763 \| good	29.353 \| good	0.749 \| good
2025-12-06T10:00:00.000Z	27 \| good	5.386 \| good	11.253 \| good	19.82 \| good	0.849 \| good	28.557 \| good	0.674 \| good
2025-12-06T11:00:00.000Z	27 \| good	4.793 \| good	8.326 \| good	20.789 \| good	0.975 \| good	28.111 \| good	0.589 \| good
2025-12-06T12:00:00.000Z	27 \| good	4.526 \| good	5.392 \| good	21.787 \| good	0.95 \| good	28.665 \| good	0.588 \| good
2025-12-06T13:00:00.000Z	27 \| good	4.496 \| good	5.449 \| good	21.79 \| good	0.957 \| good	28.544 \| good	0.588 \| good
2025-12-06T14:00:00.000Z	22 \| good	3.999 \| good	4.39 \| good	18.838 \| good	1.009 \| good	22.796 \| good	0.592 \| good
2025-12-06T15:00:00.000Z	24 \| good	4.311 \| good	7.397 \| good	22.797 \| good	1.204 \| good	25.166 \| good	0.75 \| good
2025-12-06T16:00:00.000Z	27 \| good	4.79 \| good	9.323 \| good	25.781 \| good	1.183 \| good	24.56 \| good	0.771 \| good
2025-12-06T17:00:00.000Z	27 \| good	5.476 \| good	16.269 \| good	23.865 \| good	0.975 \| good	27.968 \| good	0.636 \| good
2025-12-06T18:00:00.000Z	28 \| good	5.052 \| good	16.193 \| good	29.874 \| good	0.742 \| good	28.085 \| good	0.439 \| good
2025-12-06T19:00:00.000Z	28 \| good	4.545 \| good	14.187 \| good	29.913 \| good	1.134 \| good	25.558 \| good	0.389 \| good
2025-12-06T20:00:00.000Z	32 \| good	4.445 \| good	13.268 \| good	34.914 \| good	0.917 \| good	19.326 \| good	0.374 \| good
2025-12-06T21:00:00.000Z	35 \| good	5.818 \| good	12.149 \| good	37.936 \| good	0.898 \| good	15.539 \| good	0.315 \| good
2025-12-06T22:00:00.000Z	36 \| good	6.485 \| good	13.065 \| good	38.95 \| good	0.611 \| good	10.258 \| good	0.27 \| good
2025-12-06T23:00:00.000Z	36 \| good	5.97 \| good	13.041 \| good	38.98 \| good	0.833 \| good	11.17 \| good	0.268 \| good
2025-12-07T00:00:00.000Z	35 \| good	5.579 \| good	12.028 \| good	37.982 \| good	0.74 \| good	6.695 \| good	0.27 \| good
2025-12-07T01:00:00.000Z	34 \| good	4.599 \| good	11.129 \| good	36.988 \| good	0.882 \| good	10.079 \| good	0.327 \| good
2025-12-07T02:00:00.000Z	33 \| good	6.093 \| good	12.115 \| good	35.96 \| good	0.778 \| good	17.344 \| good	0.411 \| good
2025-12-07T03:00:00.000Z	44 \| good	8.191 \| good	16.184 \| good	31.961 \| good	0.741 \| good	19.118 \| good	0.551 \| good
2025-12-07T04:00:00.000Z	56 \| moderate	11.567 \| good	19.164 \| good	26.986 \| good	0.949 \| good	20.609 \| good	0.621 \| good
2025-12-07T05:00:00.000Z	56 \| moderate	11.85 \| good	18.289 \| good	26.963 \| good	0.956 \| good	26.607 \| good	0.727 \| good
2025-12-07T06:00:00.000Z	56 \| moderate	11.733 \| good	18.197 \| good	18.979 \| good	0.791 \| good	30.048 \| good	0.856 \| good
2025-12-07T07:00:00.000Z	56 \| moderate	11.767 \| good	18.499 \| good	18.969 \| good	0.834 \| good	31.369 \| good	0.857 \| good
2025-12-07T08:00:00.000Z	54 \| moderate	11.351 \| good	13.378 \| good	14.963 \| good	0.967 \| good	30.934 \| good	0.757 \| good
2025-12-07T09:00:00.000Z	52 \| moderate	9.752 \| good	10.272 \| good	18.879 \| good	0.903 \| good	29.203 \| good	0.746 \| good
2025-12-07T10:00:00.000Z	44 \| good	8.495 \| good	9.331 \| good	20.833 \| good	0.912 \| good	26.95 \| good	0.631 \| good
2025-12-07T11:00:00.000Z	49 \| good	8.513 \| good	9.301 \| good	20.827 \| good	0.911 \| good	24.987 \| good	0.631 \| good
2025-12-07T12:00:00.000Z	49 \| good	8.515 \| good	9.331 \| good	20.822 \| good	0.935 \| good	27.64 \| good	0.63 \| good
2025-12-07T13:00:00.000Z	49 \| good	8.538 \| good	9.354 \| good	20.856 \| good	0.82 \| good	8.428 \| good	0.882 \| good
2025-12-07T14:00:00.000Z	44 \| good	7.608 \| good	10.382 \| good	21.795 \| good	0.727 \| good	19.375 \| good	0.615 \| good
2025-12-07T15:00:00.000Z	44 \| good	7.592 \| good	9.342 \| good	20.811 \| good	0.861 \| good	21.107 \| good	0.653 \| good
2025-12-07T16:00:00.000Z	38 \| good	7.395 \| good	9.453 \| good	20.815 \| good	0.877 \| good	19.584 \| good	0.677 \| good
2025-12-07T17:00:00.000Z	33 \| good	5.931 \| good	10.43 \| good	22.883 \| good	0.691 \| good	21.514 \| good	0.595 \| good
2025-12-07T18:00:00.000Z	27 \| good	4.848 \| good	10.326 \| good	25.929 \| good	0.608 \| good	27.554 \| good	0.46 \| good
2025-12-07T19:00:00.000Z	31 \| good	5.207 \| good	12.315 \| good	33.863 \| good	0.775 \| good	23.437 \| good	0.407 \| good
2025-12-07T20:00:00.000Z	35 \| good	5.399 \| good	12.306 \| good	37.913 \| good	0.923 \| good	20.921 \| good	0.392 \| good
2025-12-07T21:00:00.000Z	37 \| good	6.204 \| good	15.216 \| good	39.939 \| good	0.729 \| good	14.561 \| good	0.371 \| good
2025-12-07T22:00:00.000Z	41 \| good	6.513 \| good	18.32 \| good	43.933 \| good	0.783 \| good	9.015 \| good	0.368 \| good
2025-12-07T23:00:00.000Z	44 \| good	6.582 \| good	18.087 \| good	47.912 \| good	1.052 \| good	11.69 \| good	0.419 \| good
2025-12-08T00:00:00.000Z	52 \| moderate	9.62 \| good	27.049 \| good	42.953 \| good	0.929 \| good	19.247 \| good	0.44 \| good
2025-12-08T01:00:00.000Z	58 \| moderate	12.706 \| fine	32.163 \| good	39.941 \| good	0.701 \| good	26.216 \| good	0.535 \| good
2025-12-08T02:00:00.000Z	64 \| moderate	16.065 \| fine	33.995 \| good	34.918 \| good	0.68 \| good	34.187 \| good	0.703 \| good
2025-12-08T03:00:00.000Z	71 \| moderate	20.241 \| fine	35.075 \| good	34.816 \| good	0.9 \| good	34.179 \| good	0.927 \| good
2025-12-08T04:00:00.000Z	75 \| moderate	22.447 \| fine	33.116 \| good	26.855 \| good	0.804 \| good	32.126 \| good	0.998 \| good
2025-12-08T05:00:00.000Z	82 \| moderate	25.65 \| fine	34.15 \| good	22.85 \| good	0.686 \| good	37.182 \| good	0.998 \| good
2025-12-08T06:00:00.000Z	82 \| moderate	25.67 \| fine	34.181 \| good	18.859 \| good	0.939 \| good	30.051 \| good	0.997 \| good
2025-12-08T07:00:00.000Z	82 \| moderate	26.259 \| fine	35.087 \| good	18.858 \| good	0.946 \| good	29.748 \| good	0.929 \| good
2025-12-08T08:00:00.000Z	69 \| moderate	19.159 \| fine	28.201 \| good	15.869 \| good	1.002 \| good	31.857 \| good	1.027 \| good
2025-12-08T08:00:00.000Z	69 \| moderate	19.159 \| fine	28.201 \| good	15.869 \| good	1.002 \| good	31.857 \| good	1.027 \| good
2025-12-08T09:00:00.000Z	165 \| unhealthy	76.368 \| poor	276.158 \| poor	22.409 \| good	3.047 \| good	34.473 \| good	0.438 \| good
2025-12-08T10:00:00.000Z	165 \| unhealthy	75.906 \| poor	276.077 \| poor	23.608 \| good	2.776 \| good	32.436 \| good	0.404 \| good
2025-12-08T11:00:00.000Z	165 \| unhealthy	74.568 \| poor	274.431 \| poor	22.512 \| good	2.504 \| good	30.398 \| good	0.371 \| good
2025-12-08T12:00:00.000Z	161 \| unhealthy	70.159 \| poor	270.301 \| poor	23.373 \| good	2.233 \| good	28.361 \| good	0.337 \| good
2025-12-08T13:00:00.000Z	158 \| unhealthy	64.842 \| poor	264.048 \| poor	22.876 \| good	2.173 \| good	27.331 \| good	0.321 \| good
2025-12-08T14:00:00.000Z	153 \| unhealthy	58.93 \| poor	256.136 \| poor	21.673 \| good	2.113 \| good	26.3 \| good	0.305 \| good
2025-12-08T15:00:00.000Z	153 \| unhealthy	58.317 \| poor	254.847 \| moderate	20.351 \| good	2.054 \| good	25.27 \| good	0.289 \| good
2025-12-08T16:00:00.000Z	149 \| sensitive	55.159 \| moderate	243.576 \| moderate	20.05 \| good	2.167 \| good	22.237 \| good	0.285 \| good
2025-12-08T17:00:00.000Z	142 \| sensitive	52.079 \| moderate	228.209 \| moderate	27.376 \| good	2.279 \| good	19.203 \| good	0.28 \| good
2025-12-08T18:00:00.000Z	110 \| sensitive	39.295 \| moderate	172.401 \| moderate	34.418 \| good	2.392 \| good	16.17 \| good	0.276 \| good
2025-12-08T19:00:00.000Z	86 \| moderate	28.158 \| fine	123.775 \| fine	37.802 \| good	2.474 \| good	14.677 \| good	0.251 \| good
2025-12-08T20:00:00.000Z	77 \| moderate	22.575 \| fine	99.005 \| fine	40.062 \| good	2.555 \| good	13.184 \| good	0.226 \| good
2025-12-08T21:00:00.000Z	77 \| moderate	23.404 \| fine	102.232 \| fine	40.532 \| good	2.636 \| good	11.69 \| good	0.201 \| good
2025-12-08T22:00:00.000Z	79 \| moderate	23.723 \| fine	103.769 \| fine	39.603 \| good	2.906 \| good	16.381 \| good	0.22 \| good
2025-12-08T23:00:00.000Z	84 \| moderate	27.384 \| fine	119.791 \| fine	34.856 \| good	3.176 \| good	21.071 \| good	0.239 \| good
2025-12-09T00:00:00.000Z	86 \| moderate	28.353 \| fine	123.456 \| fine	26.16 \| good	3.446 \| good	25.761 \| good	0.258 \| good
2025-12-09T01:00:00.000Z	81 \| moderate	24.683 \| fine	107.495 \| fine	18.613 \| good	3.743 \| good	31.422 \| good	0.292 \| good
2025-12-09T02:00:00.000Z	69 \| moderate	19.21 \| fine	84.576 \| fine	14.972 \| good	4.039 \| good	37.084 \| good	0.325 \| good
2025-12-09T03:00:00.000Z	60 \| moderate	13.519 \| fine	60.352 \| fine	15.458 \| good	4.336 \| good	42.745 \| good	0.359 \| good
2025-12-09T04:00:00.000Z	49 \| good	8.808 \| good	39.202 \| good	16.761 \| good	3.763 \| good	40.107 \| good	0.36 \| good
2025-12-09T05:00:00.000Z	35 \| good	5.103 \| good	22.368 \| good	20.168 \| good	3.189 \| good	37.469 \| good	0.361 \| good
2025-12-09T06:00:00.000Z	33 \| good	2.941 \| good	12.114 \| good	23.603 \| good	2.615 \| good	34.832 \| good	0.363 \| good
2025-12-09T07:00:00.000Z	29 \| good	2.106 \| good	8.638 \| good	23.324 \| good	2.167 \| good	30.657 \| good	0.318 \| good
2025-12-09T08:00:00.000Z	25 \| good	2.718 \| good	11.337 \| good	21.971 \| good	1.719 \| good	26.482 \| good	0.273 \| good
2025-12-09T09:00:00.000Z	21 \| good	3.296 \| good	13.684 \| good	20.202 \| good	1.271 \| good	22.307 \| good	0.229 \| good
2025-12-09T10:00:00.000Z	18 \| good	3.491 \| good	15.3 \| good	18.726 \| good	1.219 \| good	18.833 \| good	0.204 \| good
2025-12-09T11:00:00.000Z	22 \| good	4.248 \| good	18.595 \| good	16.763 \| good	1.167 \| good	15.358 \| good	0.18 \| good
2025-12-09T12:00:00.000Z	27 \| good	4.612 \| good	20.198 \| good	17.074 \| good	1.116 \| good	11.884 \| good	0.156 \| good
2025-12-09T13:00:00.000Z	16 \| good	2.044 \| good	8.609 \| good	16.931 \| good	1.227 \| good	13.758 \| good	0.166 \| good
2025-12-09T14:00:00.000Z	16 \| good	2.716 \| good	11.171 \| good	16.491 \| good	1.338 \| good	15.631 \| good	0.176 \| good
2025-12-09T15:00:00.000Z	17 \| good	2.218 \| good	8.855 \| good	15.263 \| good	1.449 \| good	17.504 \| good	0.186 \| good
2025-12-09T16:00:00.000Z	16 \| good	2.566 \| good	10.989 \| good	13.874 \| good	1.658 \| good	16.588 \| good	0.201 \| good
2025-12-09T17:00:00.000Z	22 \| good	3.668 \| good	16.159 \| good	18.818 \| good	1.867 \| good	15.673 \| good	0.215 \| good
2025-12-09T18:00:00.000Z	24 \| good	3.774 \| good	16.509 \| good	26.337 \| good	2.076 \| good	14.757 \| good	0.23 \| good
2025-12-09T19:00:00.000Z	29 \| good	5.033 \| good	21.97 \| good	30.672 \| good	2.316 \| good	13.456 \| good	0.208 \| good
2025-12-09T20:00:00.000Z	38 \| good	6.684 \| good	29.392 \| good	33.5 \| good	2.555 \| good	12.154 \| good	0.185 \| good
2025-12-09T21:00:00.000Z	52 \| moderate	10.253 \| good	45.197 \| good	35.56 \| good	2.795 \| good	10.853 \| good	0.163 \| good
2025-12-09T22:00:00.000Z	62 \| moderate	14.639 \| fine	65.028 \| fine	35.862 \| good	3.079 \| good	15.819 \| good	0.189 \| good
2025-12-09T23:00:00.000Z	69 \| moderate	18.767 \| fine	82.567 \| fine	31.926 \| good	3.364 \| good	20.784 \| good	0.215 \| good
2025-12-10T00:00:00.000Z	71 \| moderate	19.956 \| fine	87.884 \| fine	22.295 \| good	3.648 \| good	25.749 \| good	0.241 \| good
2025-12-10T01:00:00.000Z	69 \| moderate	19.117 \| fine	83.872 \| fine	13.043 \| good	3.987 \| good	32.09 \| good	0.289 \| good
2025-12-10T02:00:00.000Z	66 \| moderate	17.345 \| fine	76.55 \| fine	10.139 \| good	4.327 \| good	38.43 \| good	0.338 \| good
2025-12-10T03:00:00.000Z	64 \| moderate	16.359 \| fine	72.532 \| fine	9.939 \| good	4.666 \| good	44.771 \| good	0.386 \| good
2025-12-10T04:00:00.000Z	64 \| moderate	15.758 \| fine	70.378 \| fine	8.835 \| good	4.352 \| good	42.754 \| good	0.396 \| good
2025-12-10T05:00:00.000Z	60 \| moderate	13.529 \| fine	60.4 \| fine	10.148 \| good	4.037 \| good	40.738 \| good	0.405 \| good
2025-12-10T06:00:00.000Z	79 \| moderate	24.116 \| fine	24.521 \| good	0.985 \| good	3.717 \| good	38.748 \| good	0.414 \| good
2025-12-10T07:00:00.000Z	52 \| moderate	10.386 \| good	46.402 \| good	12.629 \| good	3.14 \| good	35.969 \| good	0.386 \| good
2025-12-10T08:00:00.000Z	52 \| moderate	9.869 \| good	44.383 \| good	14.337 \| good	2.558 \| good	33.218 \| good	0.358 \| good

Lake Forest

Get reliable air quality data to drive your business

Lake Forest, California air quality map: Track AQI near you

0.91ppm

How accurate is California, USA air quality data?

Air quality data and pollutant measurements for California, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.

Source: Ambee Data Sources

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Frequently asked questions

How often is the air quality data for Lake Forest, California updated?

The air quality for Lake Forest, California is updated every hour.

When was the worst air quality at Lake Forest, California in the last 24 hrs?

The worst air quality in Lake Forest, California in the last 24 hours was observed at 07:00:00 on 2025-12-08.

When was the best air quality at Lake Forest, California in the last 24 hrs?

In the last 24 hrs, the best air quality in Lake Forest, California was observed at 06:00:00 on 2025-12-07.

What is the current air quality in Lake Forest, California?

The current air quality in Lake Forest, California is 69, categorized as Moderate based on real-time data.

What pollutant is the most common in Lake Forest, California?

The most common pollutant in Lake Forest, California is PM2.5.

What should I do if the air quality in Lake Forest, California is poor?

If the air quality in Lake Forest, California is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Lake Forest, California?

The current PM_2.5 concentration at Lake Forest, California is 19.159 μg/m³.

What is the current concentration of PM₁₀ in Lake Forest, California?

The current PM₁₀ concentration at Lake Forest, California is 28.201 μg/m³.

What is the current concentration of carbon monoxide (CO) in Lake Forest, California?

The current carbon monoxide (CO) concentration at Lake Forest, California is 1.027 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Lake Forest, California?

The current sulfur dioxide (SO₂) concentration at Lake Forest, California is 1.002 ppb.

What is the current concentration of ozone (O₃) in Lake Forest, California?

The current ozone (O₃) concentration at Lake Forest, California is 15.869 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Lake Forest, California?

The current nitrogen dioxide (NO₂) concentration at Lake Forest, California is 31.857 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-06T09:00:00.000Z	33 \| good	6.186 \| good	13.238 \| good	14.868 \| good	0.763 \| good	29.353 \| good	0.749 \| good
2025-12-06T10:00:00.000Z	27 \| good	5.386 \| good	11.253 \| good	19.82 \| good	0.849 \| good	28.557 \| good	0.674 \| good
2025-12-06T11:00:00.000Z	27 \| good	4.793 \| good	8.326 \| good	20.789 \| good	0.975 \| good	28.111 \| good	0.589 \| good
2025-12-06T12:00:00.000Z	27 \| good	4.526 \| good	5.392 \| good	21.787 \| good	0.95 \| good	28.665 \| good	0.588 \| good
2025-12-06T13:00:00.000Z	27 \| good	4.496 \| good	5.449 \| good	21.79 \| good	0.957 \| good	28.544 \| good	0.588 \| good
2025-12-06T14:00:00.000Z	22 \| good	3.999 \| good	4.39 \| good	18.838 \| good	1.009 \| good	22.796 \| good	0.592 \| good
2025-12-06T15:00:00.000Z	24 \| good	4.311 \| good	7.397 \| good	22.797 \| good	1.204 \| good	25.166 \| good	0.75 \| good
2025-12-06T16:00:00.000Z	27 \| good	4.79 \| good	9.323 \| good	25.781 \| good	1.183 \| good	24.56 \| good	0.771 \| good
2025-12-06T17:00:00.000Z	27 \| good	5.476 \| good	16.269 \| good	23.865 \| good	0.975 \| good	27.968 \| good	0.636 \| good
2025-12-06T18:00:00.000Z	28 \| good	5.052 \| good	16.193 \| good	29.874 \| good	0.742 \| good	28.085 \| good	0.439 \| good
2025-12-06T19:00:00.000Z	28 \| good	4.545 \| good	14.187 \| good	29.913 \| good	1.134 \| good	25.558 \| good	0.389 \| good
2025-12-06T20:00:00.000Z	32 \| good	4.445 \| good	13.268 \| good	34.914 \| good	0.917 \| good	19.326 \| good	0.374 \| good
2025-12-06T21:00:00.000Z	35 \| good	5.818 \| good	12.149 \| good	37.936 \| good	0.898 \| good	15.539 \| good	0.315 \| good
2025-12-06T22:00:00.000Z	36 \| good	6.485 \| good	13.065 \| good	38.95 \| good	0.611 \| good	10.258 \| good	0.27 \| good
2025-12-06T23:00:00.000Z	36 \| good	5.97 \| good	13.041 \| good	38.98 \| good	0.833 \| good	11.17 \| good	0.268 \| good
2025-12-07T00:00:00.000Z	35 \| good	5.579 \| good	12.028 \| good	37.982 \| good	0.74 \| good	6.695 \| good	0.27 \| good
2025-12-07T01:00:00.000Z	34 \| good	4.599 \| good	11.129 \| good	36.988 \| good	0.882 \| good	10.079 \| good	0.327 \| good
2025-12-07T02:00:00.000Z	33 \| good	6.093 \| good	12.115 \| good	35.96 \| good	0.778 \| good	17.344 \| good	0.411 \| good
2025-12-07T03:00:00.000Z	44 \| good	8.191 \| good	16.184 \| good	31.961 \| good	0.741 \| good	19.118 \| good	0.551 \| good
2025-12-07T04:00:00.000Z	56 \| moderate	11.567 \| good	19.164 \| good	26.986 \| good	0.949 \| good	20.609 \| good	0.621 \| good
2025-12-07T05:00:00.000Z	56 \| moderate	11.85 \| good	18.289 \| good	26.963 \| good	0.956 \| good	26.607 \| good	0.727 \| good
2025-12-07T06:00:00.000Z	56 \| moderate	11.733 \| good	18.197 \| good	18.979 \| good	0.791 \| good	30.048 \| good	0.856 \| good
2025-12-07T07:00:00.000Z	56 \| moderate	11.767 \| good	18.499 \| good	18.969 \| good	0.834 \| good	31.369 \| good	0.857 \| good
2025-12-07T08:00:00.000Z	54 \| moderate	11.351 \| good	13.378 \| good	14.963 \| good	0.967 \| good	30.934 \| good	0.757 \| good
2025-12-07T09:00:00.000Z	52 \| moderate	9.752 \| good	10.272 \| good	18.879 \| good	0.903 \| good	29.203 \| good	0.746 \| good
2025-12-07T10:00:00.000Z	44 \| good	8.495 \| good	9.331 \| good	20.833 \| good	0.912 \| good	26.95 \| good	0.631 \| good
2025-12-07T11:00:00.000Z	49 \| good	8.513 \| good	9.301 \| good	20.827 \| good	0.911 \| good	24.987 \| good	0.631 \| good
2025-12-07T12:00:00.000Z	49 \| good	8.515 \| good	9.331 \| good	20.822 \| good	0.935 \| good	27.64 \| good	0.63 \| good
2025-12-07T13:00:00.000Z	49 \| good	8.538 \| good	9.354 \| good	20.856 \| good	0.82 \| good	8.428 \| good	0.882 \| good
2025-12-07T14:00:00.000Z	44 \| good	7.608 \| good	10.382 \| good	21.795 \| good	0.727 \| good	19.375 \| good	0.615 \| good
2025-12-07T15:00:00.000Z	44 \| good	7.592 \| good	9.342 \| good	20.811 \| good	0.861 \| good	21.107 \| good	0.653 \| good
2025-12-07T16:00:00.000Z	38 \| good	7.395 \| good	9.453 \| good	20.815 \| good	0.877 \| good	19.584 \| good	0.677 \| good
2025-12-07T17:00:00.000Z	33 \| good	5.931 \| good	10.43 \| good	22.883 \| good	0.691 \| good	21.514 \| good	0.595 \| good
2025-12-07T18:00:00.000Z	27 \| good	4.848 \| good	10.326 \| good	25.929 \| good	0.608 \| good	27.554 \| good	0.46 \| good
2025-12-07T19:00:00.000Z	31 \| good	5.207 \| good	12.315 \| good	33.863 \| good	0.775 \| good	23.437 \| good	0.407 \| good
2025-12-07T20:00:00.000Z	35 \| good	5.399 \| good	12.306 \| good	37.913 \| good	0.923 \| good	20.921 \| good	0.392 \| good
2025-12-07T21:00:00.000Z	37 \| good	6.204 \| good	15.216 \| good	39.939 \| good	0.729 \| good	14.561 \| good	0.371 \| good
2025-12-07T22:00:00.000Z	41 \| good	6.513 \| good	18.32 \| good	43.933 \| good	0.783 \| good	9.015 \| good	0.368 \| good
2025-12-07T23:00:00.000Z	44 \| good	6.582 \| good	18.087 \| good	47.912 \| good	1.052 \| good	11.69 \| good	0.419 \| good
2025-12-08T00:00:00.000Z	52 \| moderate	9.62 \| good	27.049 \| good	42.953 \| good	0.929 \| good	19.247 \| good	0.44 \| good
2025-12-08T01:00:00.000Z	58 \| moderate	12.706 \| fine	32.163 \| good	39.941 \| good	0.701 \| good	26.216 \| good	0.535 \| good
2025-12-08T02:00:00.000Z	64 \| moderate	16.065 \| fine	33.995 \| good	34.918 \| good	0.68 \| good	34.187 \| good	0.703 \| good
2025-12-08T03:00:00.000Z	71 \| moderate	20.241 \| fine	35.075 \| good	34.816 \| good	0.9 \| good	34.179 \| good	0.927 \| good
2025-12-08T04:00:00.000Z	75 \| moderate	22.447 \| fine	33.116 \| good	26.855 \| good	0.804 \| good	32.126 \| good	0.998 \| good
2025-12-08T05:00:00.000Z	82 \| moderate	25.65 \| fine	34.15 \| good	22.85 \| good	0.686 \| good	37.182 \| good	0.998 \| good
2025-12-08T06:00:00.000Z	82 \| moderate	25.67 \| fine	34.181 \| good	18.859 \| good	0.939 \| good	30.051 \| good	0.997 \| good
2025-12-08T07:00:00.000Z	82 \| moderate	26.259 \| fine	35.087 \| good	18.858 \| good	0.946 \| good	29.748 \| good	0.929 \| good
2025-12-08T08:00:00.000Z	69 \| moderate	19.159 \| fine	28.201 \| good	15.869 \| good	1.002 \| good	31.857 \| good	1.027 \| good
2025-12-08T08:00:00.000Z	69 \| moderate	19.159 \| fine	28.201 \| good	15.869 \| good	1.002 \| good	31.857 \| good	1.027 \| good
2025-12-08T09:00:00.000Z	165 \| unhealthy	76.368 \| poor	276.158 \| poor	22.409 \| good	3.047 \| good	34.473 \| good	0.438 \| good
2025-12-08T10:00:00.000Z	165 \| unhealthy	75.906 \| poor	276.077 \| poor	23.608 \| good	2.776 \| good	32.436 \| good	0.404 \| good
2025-12-08T11:00:00.000Z	165 \| unhealthy	74.568 \| poor	274.431 \| poor	22.512 \| good	2.504 \| good	30.398 \| good	0.371 \| good
2025-12-08T12:00:00.000Z	161 \| unhealthy	70.159 \| poor	270.301 \| poor	23.373 \| good	2.233 \| good	28.361 \| good	0.337 \| good
2025-12-08T13:00:00.000Z	158 \| unhealthy	64.842 \| poor	264.048 \| poor	22.876 \| good	2.173 \| good	27.331 \| good	0.321 \| good
2025-12-08T14:00:00.000Z	153 \| unhealthy	58.93 \| poor	256.136 \| poor	21.673 \| good	2.113 \| good	26.3 \| good	0.305 \| good
2025-12-08T15:00:00.000Z	153 \| unhealthy	58.317 \| poor	254.847 \| moderate	20.351 \| good	2.054 \| good	25.27 \| good	0.289 \| good
2025-12-08T16:00:00.000Z	149 \| sensitive	55.159 \| moderate	243.576 \| moderate	20.05 \| good	2.167 \| good	22.237 \| good	0.285 \| good
2025-12-08T17:00:00.000Z	142 \| sensitive	52.079 \| moderate	228.209 \| moderate	27.376 \| good	2.279 \| good	19.203 \| good	0.28 \| good
2025-12-08T18:00:00.000Z	110 \| sensitive	39.295 \| moderate	172.401 \| moderate	34.418 \| good	2.392 \| good	16.17 \| good	0.276 \| good
2025-12-08T19:00:00.000Z	86 \| moderate	28.158 \| fine	123.775 \| fine	37.802 \| good	2.474 \| good	14.677 \| good	0.251 \| good
2025-12-08T20:00:00.000Z	77 \| moderate	22.575 \| fine	99.005 \| fine	40.062 \| good	2.555 \| good	13.184 \| good	0.226 \| good
2025-12-08T21:00:00.000Z	77 \| moderate	23.404 \| fine	102.232 \| fine	40.532 \| good	2.636 \| good	11.69 \| good	0.201 \| good
2025-12-08T22:00:00.000Z	79 \| moderate	23.723 \| fine	103.769 \| fine	39.603 \| good	2.906 \| good	16.381 \| good	0.22 \| good
2025-12-08T23:00:00.000Z	84 \| moderate	27.384 \| fine	119.791 \| fine	34.856 \| good	3.176 \| good	21.071 \| good	0.239 \| good
2025-12-09T00:00:00.000Z	86 \| moderate	28.353 \| fine	123.456 \| fine	26.16 \| good	3.446 \| good	25.761 \| good	0.258 \| good
2025-12-09T01:00:00.000Z	81 \| moderate	24.683 \| fine	107.495 \| fine	18.613 \| good	3.743 \| good	31.422 \| good	0.292 \| good
2025-12-09T02:00:00.000Z	69 \| moderate	19.21 \| fine	84.576 \| fine	14.972 \| good	4.039 \| good	37.084 \| good	0.325 \| good
2025-12-09T03:00:00.000Z	60 \| moderate	13.519 \| fine	60.352 \| fine	15.458 \| good	4.336 \| good	42.745 \| good	0.359 \| good
2025-12-09T04:00:00.000Z	49 \| good	8.808 \| good	39.202 \| good	16.761 \| good	3.763 \| good	40.107 \| good	0.36 \| good
2025-12-09T05:00:00.000Z	35 \| good	5.103 \| good	22.368 \| good	20.168 \| good	3.189 \| good	37.469 \| good	0.361 \| good
2025-12-09T06:00:00.000Z	33 \| good	2.941 \| good	12.114 \| good	23.603 \| good	2.615 \| good	34.832 \| good	0.363 \| good
2025-12-09T07:00:00.000Z	29 \| good	2.106 \| good	8.638 \| good	23.324 \| good	2.167 \| good	30.657 \| good	0.318 \| good
2025-12-09T08:00:00.000Z	25 \| good	2.718 \| good	11.337 \| good	21.971 \| good	1.719 \| good	26.482 \| good	0.273 \| good
2025-12-09T09:00:00.000Z	21 \| good	3.296 \| good	13.684 \| good	20.202 \| good	1.271 \| good	22.307 \| good	0.229 \| good
2025-12-09T10:00:00.000Z	18 \| good	3.491 \| good	15.3 \| good	18.726 \| good	1.219 \| good	18.833 \| good	0.204 \| good
2025-12-09T11:00:00.000Z	22 \| good	4.248 \| good	18.595 \| good	16.763 \| good	1.167 \| good	15.358 \| good	0.18 \| good
2025-12-09T12:00:00.000Z	27 \| good	4.612 \| good	20.198 \| good	17.074 \| good	1.116 \| good	11.884 \| good	0.156 \| good
2025-12-09T13:00:00.000Z	16 \| good	2.044 \| good	8.609 \| good	16.931 \| good	1.227 \| good	13.758 \| good	0.166 \| good
2025-12-09T14:00:00.000Z	16 \| good	2.716 \| good	11.171 \| good	16.491 \| good	1.338 \| good	15.631 \| good	0.176 \| good
2025-12-09T15:00:00.000Z	17 \| good	2.218 \| good	8.855 \| good	15.263 \| good	1.449 \| good	17.504 \| good	0.186 \| good
2025-12-09T16:00:00.000Z	16 \| good	2.566 \| good	10.989 \| good	13.874 \| good	1.658 \| good	16.588 \| good	0.201 \| good
2025-12-09T17:00:00.000Z	22 \| good	3.668 \| good	16.159 \| good	18.818 \| good	1.867 \| good	15.673 \| good	0.215 \| good
2025-12-09T18:00:00.000Z	24 \| good	3.774 \| good	16.509 \| good	26.337 \| good	2.076 \| good	14.757 \| good	0.23 \| good
2025-12-09T19:00:00.000Z	29 \| good	5.033 \| good	21.97 \| good	30.672 \| good	2.316 \| good	13.456 \| good	0.208 \| good
2025-12-09T20:00:00.000Z	38 \| good	6.684 \| good	29.392 \| good	33.5 \| good	2.555 \| good	12.154 \| good	0.185 \| good
2025-12-09T21:00:00.000Z	52 \| moderate	10.253 \| good	45.197 \| good	35.56 \| good	2.795 \| good	10.853 \| good	0.163 \| good
2025-12-09T22:00:00.000Z	62 \| moderate	14.639 \| fine	65.028 \| fine	35.862 \| good	3.079 \| good	15.819 \| good	0.189 \| good
2025-12-09T23:00:00.000Z	69 \| moderate	18.767 \| fine	82.567 \| fine	31.926 \| good	3.364 \| good	20.784 \| good	0.215 \| good
2025-12-10T00:00:00.000Z	71 \| moderate	19.956 \| fine	87.884 \| fine	22.295 \| good	3.648 \| good	25.749 \| good	0.241 \| good
2025-12-10T01:00:00.000Z	69 \| moderate	19.117 \| fine	83.872 \| fine	13.043 \| good	3.987 \| good	32.09 \| good	0.289 \| good
2025-12-10T02:00:00.000Z	66 \| moderate	17.345 \| fine	76.55 \| fine	10.139 \| good	4.327 \| good	38.43 \| good	0.338 \| good
2025-12-10T03:00:00.000Z	64 \| moderate	16.359 \| fine	72.532 \| fine	9.939 \| good	4.666 \| good	44.771 \| good	0.386 \| good
2025-12-10T04:00:00.000Z	64 \| moderate	15.758 \| fine	70.378 \| fine	8.835 \| good	4.352 \| good	42.754 \| good	0.396 \| good
2025-12-10T05:00:00.000Z	60 \| moderate	13.529 \| fine	60.4 \| fine	10.148 \| good	4.037 \| good	40.738 \| good	0.405 \| good
2025-12-10T06:00:00.000Z	79 \| moderate	24.116 \| fine	24.521 \| good	0.985 \| good	3.717 \| good	38.748 \| good	0.414 \| good
2025-12-10T07:00:00.000Z	52 \| moderate	10.386 \| good	46.402 \| good	12.629 \| good	3.14 \| good	35.969 \| good	0.386 \| good
2025-12-10T08:00:00.000Z	52 \| moderate	9.869 \| good	44.383 \| good	14.337 \| good	2.558 \| good	33.218 \| good	0.358 \| good

Lake Forest, California live air quality index now

Major air pollutants in Lake Forest, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Lake Forest, California air quality map: Track AQI near you

Air quality in nearby cities

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Mission Viejo, California

Laguna Hills, California

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Aliso Viejo, California

Coto De Caza, California

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Frequently asked questions

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What is the current concentration of PM2.5 in Lake Forest, California?

What is the current concentration of PM10 in Lake Forest, California?

What is the current concentration of carbon monoxide (CO) in Lake Forest, California?

What is the current concentration of sulfur dioxide (SO2) in Lake Forest, California?

What is the current concentration of ozone (O3) in Lake Forest, California?

What is the current concentration of nitrogen dioxide (NO2) in Lake Forest, California?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the current concentration of PM_2.5 in Lake Forest, California?

What is the current concentration of PM₁₀ in Lake Forest, California?

What is the current concentration of sulfur dioxide (SO₂) in Lake Forest, California?

What is the current concentration of ozone (O₃) in Lake Forest, California?

What is the current concentration of nitrogen dioxide (NO₂) in Lake Forest, California?