What are the current PM10 levels at Lake Forest, Illinois?

The current PM10 levels in Lake Forest, Illinois are 32.12 μg/m3.

What are the current sulfur dioxide (SO2) levels at Lake Forest, Illinois?

The current sulfur dioxide (SO2) levels in Lake Forest, Illinois are 1.314 ppb.

What are the current ozone (O3) levels at Lake Forest, Illinois?

The current ozone (O3) levels at Lake Forest, Illinois is 16.796 ppm.

What are the current nitrogen dioxide (NO2) levels at Lake Forest, Illinois?

The current nitrogen dioxide (NO2) levels at Lake Forest, Illinois is 8.731 ppb.

Real-time air quality index in Lake Forest, Illinois today

Q: What are the current PM2.5 levels in Lake Forest, Illinois?

The measured PM2.5 levels in Lake Forest, Illinois at present are 6.692 μg/m3.

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

Lake Forest, Illinois

Last updated: ... (Local time)

Common air pollutants in Lake Forest, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

6.69 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

32.12 μg/m³

155

255

425

605+

Ozone (O₃)

16.80 ppb

201

201+

Sulfur Dioxide (SO₂)

1.31 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.73 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.18 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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Lake Forest, Illinois

Scroll To Air Quality Map

Track live Lake Forest, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-08-16T17:00:00.000Z	24 \| good	4.401 \| good	18.862 \| good	25.894 \| good	0.272 \| good	3.448 \| good	0.236 \| good
2026-08-16T18:00:00.000Z	27 \| good	4.887 \| good	22.62 \| good	28.129 \| good	0.281 \| good	2.922 \| good	0.236 \| good
2026-08-16T19:00:00.000Z	27 \| good	4.782 \| good	19.949 \| good	28.698 \| good	0.31 \| good	2.699 \| good	0.236 \| good
2026-08-16T20:00:00.000Z	33 \| good	5.8 \| good	23.895 \| good	28.952 \| good	0.355 \| good	3.012 \| good	0.236 \| good
2026-08-16T21:00:00.000Z	33 \| good	5.886 \| good	16.693 \| good	36.106 \| good	0.338 \| good	2.82 \| good	0.227 \| good
2026-08-16T22:00:00.000Z	34 \| good	5.744 \| good	24.027 \| good	37.455 \| good	0.354 \| good	3.233 \| good	0.236 \| good
2026-08-16T23:00:00.000Z	34 \| good	5.782 \| good	22.321 \| good	36.835 \| good	0.337 \| good	3.311 \| good	0.236 \| good
2026-08-17T00:00:00.000Z	33 \| good	6.295 \| good	14.157 \| good	33.479 \| good	0.296 \| good	2.622 \| good	0.227 \| good
2026-08-17T01:00:00.000Z	33 \| good	5.885 \| good	21.01 \| good	34.874 \| good	0.37 \| good	2.544 \| good	0.249 \| good
2026-08-17T02:00:00.000Z	44 \| good	7.52 \| good	29.517 \| good	32.138 \| good	0.442 \| good	3.987 \| good	0.206 \| good
2026-08-17T03:00:00.000Z	52 \| moderate	10.297 \| good	45.888 \| good	23.641 \| good	0.326 \| good	5.282 \| good	0.214 \| good
2026-08-17T04:00:00.000Z	33 \| good	6.46 \| good	33.397 \| good	30.284 \| good	0.383 \| good	3.148 \| good	0.192 \| good
2026-08-17T05:00:00.000Z	33 \| good	5.604 \| good	30.084 \| good	24.691 \| good	0.354 \| good	4.583 \| good	0.199 \| good
2026-08-17T06:00:00.000Z	33 \| good	5.611 \| good	25.158 \| good	24.867 \| good	0.253 \| good	4.149 \| good	0.206 \| good
2026-08-17T07:00:00.000Z	27 \| good	5.006 \| good	19.296 \| good	26.433 \| good	0.369 \| good	3.072 \| good	0.206 \| good
2026-08-17T08:00:00.000Z	27 \| good	4.776 \| good	15.725 \| good	26.93 \| good	0.334 \| good	3.119 \| good	0.199 \| good
2026-08-17T09:00:00.000Z	27 \| good	4.817 \| good	15.889 \| good	26.464 \| good	0.316 \| good	3.066 \| good	0.186 \| good
2026-08-17T10:00:00.000Z	22 \| good	4.454 \| good	14.253 \| good	21.948 \| good	0.331 \| good	2.515 \| good	0.145 \| good
2026-08-17T11:00:00.000Z	27 \| good	4.587 \| good	16.839 \| good	20.491 \| good	0.363 \| good	3.477 \| good	0.186 \| good
2026-08-17T12:00:00.000Z	22 \| good	4.263 \| good	16.824 \| good	18.584 \| good	0.335 \| good	4.942 \| good	0.186 \| good
2026-08-17T13:00:00.000Z	22 \| good	4.487 \| good	20.87 \| good	15.715 \| good	0.356 \| good	4.937 \| good	0.199 \| good
2026-08-17T14:00:00.000Z	22 \| good	3.709 \| good	17.683 \| good	14.275 \| good	0.415 \| good	6.511 \| good	0.281 \| good
2026-08-17T15:00:00.000Z	22 \| good	3.845 \| good	16.968 \| good	17.762 \| good	0.362 \| good	4.427 \| good	0.186 \| good
2026-08-17T16:00:00.000Z	22 \| good	3.836 \| good	16.831 \| good	22.638 \| good	0.434 \| good	3.025 \| good	0.186 \| good
2026-08-17T17:00:00.000Z	18 \| good	3.455 \| good	14.589 \| good	19.287 \| good	0.419 \| good	2.15 \| good	0.186 \| good
2026-08-17T18:00:00.000Z	22 \| good	3.649 \| good	18.52 \| good	21.712 \| good	0.433 \| good	2.116 \| good	0.186 \| good
2026-08-17T19:00:00.000Z	25 \| good	4.061 \| good	16.309 \| good	27.134 \| good	0.353 \| good	1.742 \| good	0.186 \| good
2026-08-17T20:00:00.000Z	27 \| good	4.05 \| good	14.227 \| good	28.731 \| good	0.401 \| good	1.496 \| good	0.145 \| good
2026-08-17T21:00:00.000Z	26 \| good	4.172 \| good	15.532 \| good	28.481 \| good	0.443 \| good	1.717 \| good	0.145 \| good
2026-08-17T22:00:00.000Z	29 \| good	3.198 \| good	12.724 \| good	31.127 \| good	0.507 \| good	2.73 \| good	0.145 \| good
2026-08-17T23:00:00.000Z	28 \| good	3.695 \| good	15.998 \| good	29.941 \| good	0.468 \| good	3.125 \| good	0.186 \| good
2026-08-18T00:00:00.000Z	28 \| good	3.281 \| good	11.356 \| good	30.403 \| good	0.487 \| good	4.111 \| good	0.227 \| good
2026-08-18T01:00:00.000Z	33 \| good	4.538 \| good	20.146 \| good	35.791 \| good	0.505 \| good	4.504 \| good	0.227 \| good
2026-08-18T02:00:00.000Z	27 \| good	4.167 \| good	19.369 \| good	29.226 \| good	0.974 \| good	4.156 \| good	0.268 \| good
2026-08-18T03:00:00.000Z	27 \| good	4.603 \| good	25.052 \| good	27.856 \| good	0.599 \| good	5.133 \| good	0.309 \| good
2026-08-18T04:00:00.000Z	33 \| good	6.064 \| good	27.758 \| good	23.148 \| good	0.359 \| good	4.589 \| good	0.268 \| good
2026-08-18T05:00:00.000Z	33 \| good	6.455 \| good	31.5 \| good	20.252 \| good	0.32 \| good	7.847 \| good	0.227 \| good
2026-08-18T06:00:00.000Z	33 \| good	6.197 \| good	24.92 \| good	16.424 \| good	0.248 \| good	9.424 \| good	0.198 \| good
2026-08-18T07:00:00.000Z	38 \| good	6.511 \| good	27.263 \| good	16.65 \| good	0.247 \| good	12.828 \| good	0.198 \| good
2026-08-18T08:00:00.000Z	38 \| good	6.677 \| good	28.197 \| good	15.153 \| good	0.262 \| good	9.589 \| good	0.198 \| good
2026-08-18T09:00:00.000Z	38 \| good	6.608 \| good	28.041 \| good	13.547 \| good	0.305 \| good	10.198 \| good	0.198 \| good
2026-08-18T10:00:00.000Z	38 \| good	6.64 \| good	26.674 \| good	9.95 \| good	0.297 \| good	9.118 \| good	0.212 \| good
2026-08-18T11:00:00.000Z	38 \| good	6.673 \| good	30.52 \| good	11.658 \| good	0.334 \| good	9.568 \| good	0.24 \| good
2026-08-18T12:00:00.000Z	33 \| good	5.605 \| good	24.089 \| good	13.196 \| good	0.389 \| good	11.184 \| good	0.294 \| good
2026-08-18T13:00:00.000Z	38 \| good	6.515 \| good	29.135 \| good	10.356 \| good	1.32 \| good	10.304 \| good	0.294 \| good
2026-08-18T14:00:00.000Z	44 \| good	8.256 \| good	38.966 \| good	14.25 \| good	1.394 \| good	9.723 \| good	0.315 \| good
2026-08-18T15:00:00.000Z	38 \| good	7.348 \| good	31.312 \| good	13.328 \| good	1.367 \| good	9.7 \| good	0.264 \| good
2026-08-18T16:00:00.000Z	38 \| good	6.889 \| good	28.905 \| good	15.366 \| good	1.082 \| good	8.752 \| good	0.186 \| good
2026-08-18T16:00:00.000Z	38 \| good	6.692 \| good	32.12 \| good	16.796 \| good	1.314 \| good	8.731 \| good	0.185 \| good
2026-08-18T17:00:00.000Z	38 \| good	6.544 \| good	29.18 \| good	34.101 \| good	0.436 \| good	2.133 \| good	0.185 \| good
2026-08-18T18:00:00.000Z	38 \| good	7.265 \| good	31.965 \| good	33.827 \| good	0.384 \| good	1.335 \| good	0.179 \| good
2026-08-18T19:00:00.000Z	38 \| good	6.752 \| good	30.136 \| good	30.31 \| good	0.354 \| good	1.164 \| good	0.178 \| good
2026-08-18T20:00:00.000Z	44 \| good	8.342 \| good	36.635 \| good	29.224 \| good	0.35 \| good	1.268 \| good	0.179 \| good
2026-08-18T21:00:00.000Z	44 \| good	7.597 \| good	33.424 \| good	35.152 \| good	0.36 \| good	1.446 \| good	0.179 \| good
2026-08-18T22:00:00.000Z	44 \| good	7.904 \| good	34.731 \| good	33.816 \| good	0.373 \| good	1.826 \| good	0.178 \| good
2026-08-18T23:00:00.000Z	44 \| good	7.797 \| good	34.301 \| good	31.882 \| good	0.361 \| good	2.952 \| good	0.179 \| good
2026-08-19T00:00:00.000Z	38 \| good	7.212 \| good	31.86 \| good	30.757 \| good	0.288 \| good	3.88 \| good	0.176 \| good
2026-08-19T01:00:00.000Z	44 \| good	7.729 \| good	33.783 \| good	30.015 \| good	0.256 \| good	4.79 \| good	0.176 \| good
2026-08-19T02:00:00.000Z	35 \| good	4.432 \| good	19.228 \| good	38.153 \| good	0.333 \| good	6.728 \| good	0.184 \| good
2026-08-19T03:00:00.000Z	31 \| good	4.182 \| good	18.224 \| good	34.019 \| good	0.412 \| good	7.853 \| good	0.189 \| good
2026-08-19T04:00:00.000Z	31 \| good	2.27 \| good	9.328 \| good	33.811 \| good	0.45 \| good	8.216 \| good	0.191 \| good
2026-08-19T05:00:00.000Z	31 \| good	0.656 \| good	2.413 \| good	32.967 \| good	0.427 \| good	7.312 \| good	0.188 \| good
2026-08-19T06:00:00.000Z	28 \| good	1.737 \| good	7.361 \| good	30.419 \| good	0.365 \| good	5.995 \| good	0.183 \| good
2026-08-19T07:00:00.000Z	26 \| good	3.76 \| good	16.327 \| good	27.659 \| good	0.33 \| good	5.081 \| good	0.178 \| good
2026-08-19T08:00:00.000Z	27 \| good	5.259 \| good	22.755 \| good	21.698 \| good	0.309 \| good	4.859 \| good	0.177 \| good
2026-08-19T09:00:00.000Z	33 \| good	6.379 \| good	28.462 \| good	12.032 \| good	0.307 \| good	4.876 \| good	0.177 \| good
2026-08-19T10:00:00.000Z	33 \| good	6.463 \| good	28.689 \| good	10.982 \| good	0.322 \| good	4.888 \| good	0.178 \| good
2026-08-19T11:00:00.000Z	38 \| good	6.594 \| good	29.472 \| good	10.381 \| good	0.344 \| good	4.46 \| good	0.178 \| good
2026-08-19T12:00:00.000Z	49 \| good	8.602 \| good	37.706 \| good	10.523 \| good	0.37 \| good	4.008 \| good	0.179 \| good
2026-08-19T13:00:00.000Z	44 \| good	8.195 \| good	35.878 \| good	15.557 \| good	0.427 \| good	3.527 \| good	0.181 \| good
2026-08-19T14:00:00.000Z	38 \| good	7.173 \| good	31.653 \| good	23.091 \| good	0.441 \| good	3 \| good	0.182 \| good
2026-08-19T15:00:00.000Z	33 \| good	5.858 \| good	25.747 \| good	30.052 \| good	0.425 \| good	2.322 \| good	0.18 \| good
2026-08-19T16:00:00.000Z	35 \| good	4.796 \| good	20.94 \| good	38.177 \| good	0.402 \| good	1.728 \| good	0.176 \| good
2026-08-19T17:00:00.000Z	41 \| good	5.374 \| good	23.046 \| good	44.065 \| good	0.373 \| good	1.303 \| good	0.171 \| good
2026-08-19T18:00:00.000Z	44 \| good	6.676 \| good	29.699 \| good	48.091 \| good	0.353 \| good	1.094 \| good	0.167 \| good
2026-08-19T19:00:00.000Z	46 \| good	7.387 \| good	32.495 \| good	50.364 \| good	0.341 \| good	1.033 \| good	0.164 \| good
2026-08-19T20:00:00.000Z	46 \| good	7.072 \| good	31.083 \| good	50.444 \| good	0.339 \| good	1.071 \| good	0.162 \| good
2026-08-19T21:00:00.000Z	41 \| good	7.455 \| good	32.822 \| good	44.119 \| good	0.347 \| good	1.184 \| good	0.161 \| good
2026-08-19T22:00:00.000Z	49 \| good	8.988 \| good	39.981 \| good	37.223 \| good	0.353 \| good	1.392 \| good	0.161 \| good
2026-08-19T23:00:00.000Z	38 \| good	7.25 \| good	31.924 \| good	38.461 \| good	0.364 \| good	1.953 \| good	0.164 \| good
2026-08-20T00:00:00.000Z	38 \| good	7.377 \| good	32.504 \| good	37.374 \| good	0.385 \| good	3.896 \| good	0.178 \| good
2026-08-20T01:00:00.000Z	49 \| good	8.7 \| good	38.433 \| good	32.522 \| good	0.429 \| good	6.738 \| good	0.191 \| good
2026-08-20T02:00:00.000Z	49 \| good	9.043 \| good	39.808 \| good	30.119 \| good	0.485 \| good	8.638 \| good	0.198 \| good
2026-08-20T03:00:00.000Z	44 \| good	7.562 \| good	33.287 \| good	28.459 \| good	0.527 \| good	9.442 \| good	0.2 \| good
2026-08-20T04:00:00.000Z	44 \| good	7.592 \| good	33.607 \| good	23.829 \| good	0.58 \| good	10.132 \| good	0.201 \| good
2026-08-20T05:00:00.000Z	38 \| good	7.201 \| good	31.669 \| good	21.357 \| good	0.639 \| good	10.347 \| good	0.203 \| good
2026-08-20T06:00:00.000Z	38 \| good	7.419 \| good	33.065 \| good	19.877 \| good	0.706 \| good	10.758 \| good	0.208 \| good
2026-08-20T07:00:00.000Z	44 \| good	8.5 \| good	37.354 \| good	20.101 \| good	0.772 \| good	11.841 \| good	0.214 \| good
2026-08-20T08:00:00.000Z	49 \| good	8.985 \| good	39.533 \| good	20.518 \| good	0.825 \| good	13.224 \| good	0.221 \| good
2026-08-20T09:00:00.000Z	54 \| moderate	11.392 \| good	50.402 \| good	17.246 \| good	0.879 \| good	14.752 \| good	0.229 \| good
2026-08-20T10:00:00.000Z	56 \| moderate	11.808 \| good	52.511 \| good	15.73 \| good	0.943 \| good	16.411 \| good	0.237 \| good
2026-08-20T11:00:00.000Z	56 \| moderate	11.662 \| good	51.973 \| good	14.425 \| good	0.937 \| good	17.738 \| good	0.247 \| good
2026-08-20T12:00:00.000Z	67 \| moderate	18.364 \| fine	80.975 \| fine	15.78 \| good	0.991 \| good	16.605 \| good	0.264 \| good
2026-08-20T13:00:00.000Z	62 \| moderate	15.173 \| fine	68.196 \| fine	21.179 \| good	0.961 \| good	11.115 \| good	0.263 \| good
2026-08-20T14:00:00.000Z	49 \| good	9.085 \| good	40.693 \| good	27.914 \| good	1.093 \| good	6.728 \| good	0.217 \| good
2026-08-20T15:00:00.000Z	38 \| good	7.421 \| good	32.688 \| good	32.439 \| good	0.947 \| good	4.351 \| good	0.206 \| good
2026-08-20T16:00:00.000Z	36 \| good	6.207 \| good	27.532 \| good	38.921 \| good	0.817 \| good	2.885 \| good	0.205 \| good

Lake Forest

Empower business decisions with accurate air quality data

Lake Forest, Illinois air quality map: Real-time AQI near you

0.27ppm

How accurate is Illinois, USA air quality data?

Air quality measurements for Illinois, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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Frequently asked questions

How frequently is the air quality data for Lake Forest, Illinois updated?

Air quality data for Lake Forest, Illinois is updated on an hourly basis.

When did Lake Forest, Illinois experience the worst air quality in the last 24 hours?

The worst air quality in Lake Forest, Illinois was recorded at 02:00:00 on 2026-08-18.

When did Lake Forest, Illinois have its best air quality in the last 24 hours?

The best air quality in Lake Forest, Illinois was recorded at 05:00:00 on 2026-08-17.

What is the real-time air quality index for Lake Forest, Illinois?

The real-time air quality index in Lake Forest, Illinois is 38, currently categorized as Good.

Which pollutant is found most often in Lake Forest, Illinois?

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

What can I do if the air quality in Lake Forest, Illinois is poor?

If the air quality in Lake Forest, Illinois is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Lake Forest, Illinois?

The measured PM_2.5 levels in Lake Forest, Illinois at present are 6.692 μg/m³.

What are the current PM₁₀ levels at Lake Forest, Illinois?

The current PM₁₀ levels in Lake Forest, Illinois are 32.12 μg/m³.

What are the current carbon monoxide (CO) levels at Lake Forest, Illinois?

The current carbon monoxide (CO) level in Lake Forest, Illinois is 0.185 ppm.

What are the current sulfur dioxide (SO₂) levels at Lake Forest, Illinois?

The current sulfur dioxide (SO₂) levels in Lake Forest, Illinois are 1.314 ppb.

What are the current ozone (O₃) levels at Lake Forest, Illinois?

The current ozone (O₃) levels at Lake Forest, Illinois is 16.796 ppm.

What are the current nitrogen dioxide (NO₂) levels at Lake Forest, Illinois?

The current nitrogen dioxide (NO₂) levels at Lake Forest, Illinois is 8.731 ppb.

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