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

The current PM10 levels in Lake Forest, Illinois are 19.682 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 0.411 ppb.

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

The current ozone (O3) levels at Lake Forest, Illinois is 30.548 ppm.

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

The current nitrogen dioxide (NO2) levels at Lake Forest, Illinois is 3.26 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 6.423 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)

6.11 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

19.83 μg/m³

155

255

425

605+

Ozone (O₃)

32.91 ppb

201

201+

Sulfur Dioxide (SO₂)

0.30 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.37 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.23 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
2026-04-26T02:00:00.000Z	36 \| good	4.123 \| good	11.433 \| good	39.206 \| good	0.35 \| good	7.782 \| good	0.24 \| good
2026-04-26T03:00:00.000Z	36 \| good	3.588 \| good	9.726 \| good	39.367 \| good	0.317 \| good	8.543 \| good	0.257 \| good
2026-04-26T04:00:00.000Z	36 \| good	3.66 \| good	10.37 \| good	39.367 \| good	0.306 \| good	7.691 \| good	0.243 \| good
2026-04-26T05:00:00.000Z	36 \| good	3.052 \| good	9.537 \| good	39.056 \| good	0.312 \| good	5.533 \| good	0.204 \| good
2026-04-26T06:00:00.000Z	36 \| good	3.039 \| good	9.467 \| good	38.903 \| good	0.305 \| good	3.168 \| good	0.204 \| good
2026-04-26T07:00:00.000Z	35 \| good	1.878 \| good	8.476 \| good	37.975 \| good	0.468 \| good	3.417 \| good	0.201 \| good
2026-04-26T08:00:00.000Z	34 \| good	1.816 \| good	8.597 \| good	36.578 \| good	0.373 \| good	3.034 \| good	0.162 \| good
2026-04-26T09:00:00.000Z	32 \| good	1.824 \| good	9.81 \| good	34.783 \| good	0.405 \| good	2.541 \| good	0.165 \| good
2026-04-26T10:00:00.000Z	32 \| good	2.934 \| good	9.014 \| good	34.855 \| good	0.317 \| good	5.562 \| good	0.156 \| good
2026-04-26T11:00:00.000Z	31 \| good	3.25 \| good	9.94 \| good	33.563 \| good	0.462 \| good	7.206 \| good	0.162 \| good
2026-04-26T12:00:00.000Z	31 \| good	3.809 \| good	11.356 \| good	33.593 \| good	0.496 \| good	3.604 \| good	0.162 \| good
2026-04-26T13:00:00.000Z	33 \| good	6.258 \| good	21.058 \| good	33.492 \| good	0.464 \| good	3.536 \| good	0.162 \| good
2026-04-26T14:00:00.000Z	49 \| good	8.849 \| good	29.893 \| good	34.175 \| good	0.493 \| good	1.508 \| good	0.167 \| good
2026-04-26T15:00:00.000Z	44 \| good	7.862 \| good	23.711 \| good	36.316 \| good	0.574 \| good	1.235 \| good	0.162 \| good
2026-04-26T16:00:00.000Z	44 \| good	7.975 \| good	24.557 \| good	35.076 \| good	0.615 \| good	1.551 \| good	0.162 \| good
2026-04-26T17:00:00.000Z	44 \| good	7.841 \| good	25.115 \| good	35.073 \| good	0.742 \| good	1.718 \| good	0.165 \| good
2026-04-26T18:00:00.000Z	44 \| good	8.498 \| good	26.796 \| good	36.35 \| good	1.782 \| good	1.364 \| good	0.165 \| good
2026-04-26T19:00:00.000Z	44 \| good	8.131 \| good	26.91 \| good	37.553 \| good	1.738 \| good	1.474 \| good	0.162 \| good
2026-04-26T20:00:00.000Z	44 \| good	7.62 \| good	23.345 \| good	39.566 \| good	1.984 \| good	1.4 \| good	0.162 \| good
2026-04-26T21:00:00.000Z	39 \| good	7.478 \| good	21.641 \| good	42.057 \| good	1.892 \| good	1.371 \| good	0.162 \| good
2026-04-26T22:00:00.000Z	44 \| good	7.716 \| good	23.221 \| good	41.546 \| good	1.371 \| good	2.229 \| good	0.165 \| good
2026-04-26T23:00:00.000Z	44 \| good	7.694 \| good	24.166 \| good	42.395 \| good	0.759 \| good	3.57 \| good	0.165 \| good
2026-04-27T00:00:00.000Z	44 \| good	7.784 \| good	25.067 \| good	43.118 \| good	0.622 \| good	5.25 \| good	0.156 \| good
2026-04-27T01:00:00.000Z	44 \| good	7.601 \| good	23.041 \| good	42.76 \| good	0.377 \| good	5.128 \| good	0.165 \| good
2026-04-27T02:00:00.000Z	44 \| good	7.71 \| good	24.084 \| good	42.657 \| good	0.453 \| good	7.088 \| good	0.176 \| good
2026-04-27T03:00:00.000Z	39 \| good	4.987 \| good	21.556 \| good	42.222 \| good	0.757 \| good	8.302 \| good	0.201 \| good
2026-04-27T04:00:00.000Z	44 \| good	8.107 \| good	23.902 \| good	40.225 \| good	0.509 \| good	9.411 \| good	0.165 \| good
2026-04-27T05:00:00.000Z	49 \| good	8.963 \| good	24.486 \| good	38.942 \| good	2.064 \| good	3.64 \| good	0.197 \| good
2026-04-27T06:00:00.000Z	44 \| good	8.457 \| good	23.261 \| good	39.882 \| good	1.5 \| good	2.089 \| good	0.165 \| good
2026-04-27T07:00:00.000Z	49 \| good	8.655 \| good	24.794 \| good	40.427 \| good	0.551 \| good	3.176 \| good	0.165 \| good
2026-04-27T08:00:00.000Z	44 \| good	7.916 \| good	22.687 \| good	38.799 \| good	0.335 \| good	2.447 \| good	0.156 \| good
2026-04-27T09:00:00.000Z	38 \| good	7.101 \| good	22.152 \| good	37 \| good	0.343 \| good	1.889 \| good	0.156 \| good
2026-04-27T10:00:00.000Z	38 \| good	7.108 \| good	20.949 \| good	34.725 \| good	0.303 \| good	2.225 \| good	0.156 \| good
2026-04-27T11:00:00.000Z	44 \| good	7.707 \| good	23.786 \| good	32.069 \| good	0.377 \| good	2.701 \| good	0.165 \| good
2026-04-27T12:00:00.000Z	44 \| good	7.973 \| good	23.819 \| good	29.79 \| good	0.371 \| good	3.071 \| good	0.156 \| good
2026-04-27T13:00:00.000Z	44 \| good	8.102 \| good	23.665 \| good	26.719 \| good	0.397 \| good	6.695 \| good	0.165 \| good
2026-04-27T14:00:00.000Z	44 \| good	8.146 \| good	23.823 \| good	26.988 \| good	0.399 \| good	4.594 \| good	0.185 \| good
2026-04-27T15:00:00.000Z	44 \| good	7.924 \| good	23.851 \| good	26.48 \| good	0.428 \| good	5.72 \| good	0.176 \| good
2026-04-27T16:00:00.000Z	44 \| good	7.83 \| good	24.321 \| good	25.124 \| good	0.508 \| good	3.594 \| good	0.176 \| good
2026-04-27T17:00:00.000Z	44 \| good	8.189 \| good	24.501 \| good	23.224 \| good	0.496 \| good	3.698 \| good	0.176 \| good
2026-04-27T18:00:00.000Z	44 \| good	8.088 \| good	24.077 \| good	23.587 \| good	0.465 \| good	4.437 \| good	0.176 \| good
2026-04-27T19:00:00.000Z	44 \| good	8.193 \| good	23.64 \| good	21.296 \| good	0.364 \| good	4.344 \| good	0.185 \| good
2026-04-27T20:00:00.000Z	44 \| good	7.926 \| good	24.014 \| good	22.323 \| good	0.443 \| good	6.014 \| good	0.176 \| good
2026-04-27T21:00:00.000Z	44 \| good	7.519 \| good	23.031 \| good	26.195 \| good	0.4 \| good	3.284 \| good	0.178 \| good
2026-04-27T22:00:00.000Z	38 \| good	7.063 \| good	21.827 \| good	28.462 \| good	0.368 \| good	2.892 \| good	0.182 \| good
2026-04-27T23:00:00.000Z	33 \| good	6.423 \| good	19.682 \| good	30.548 \| good	0.411 \| good	3.26 \| good	0.252 \| good
2026-04-28T00:00:00.000Z	33 \| good	6.112 \| good	19.828 \| good	32.907 \| good	0.299 \| good	4.372 \| good	0.229 \| good
2026-04-28T01:00:00.000Z	33 \| good	6.263 \| good	21.021 \| good	33.393 \| good	0.269 \| good	4.46 \| good	0.24 \| good
2026-04-28T01:00:00.000Z	33 \| good	6.112 \| good	19.828 \| good	32.907 \| good	0.299 \| good	4.372 \| good	0.229 \| good
2026-04-28T01:00:00.000Z	67 \| moderate	6.284 \| good	27.857 \| good	59.79 \| fine	0.582 \| good	5.794 \| good	0.173 \| good
2026-04-28T02:00:00.000Z	64 \| moderate	6.759 \| good	30.045 \| good	58.741 \| fine	0.549 \| good	5.859 \| good	0.169 \| good
2026-04-28T03:00:00.000Z	58 \| moderate	6.576 \| good	29.447 \| good	56.969 \| fine	0.517 \| good	5.923 \| good	0.166 \| good
2026-04-28T04:00:00.000Z	50 \| good	6.467 \| good	28.728 \| good	54.048 \| good	0.48 \| good	5.168 \| good	0.162 \| good
2026-04-28T05:00:00.000Z	48 \| good	5.866 \| good	25.292 \| good	51.605 \| good	0.443 \| good	4.413 \| good	0.158 \| good
2026-04-28T06:00:00.000Z	51 \| moderate	3.943 \| good	17.222 \| good	54.688 \| good	0.406 \| good	3.658 \| good	0.154 \| good
2026-04-28T07:00:00.000Z	47 \| good	3.285 \| good	14.379 \| good	51.151 \| good	0.354 \| good	3.239 \| good	0.154 \| good
2026-04-28T08:00:00.000Z	35 \| good	4.324 \| good	18.861 \| good	37.867 \| good	0.302 \| good	2.82 \| good	0.154 \| good
2026-04-28T09:00:00.000Z	33 \| good	6.174 \| good	27.512 \| good	33.732 \| good	0.25 \| good	2.401 \| good	0.155 \| good
2026-04-28T10:00:00.000Z	33 \| good	6.386 \| good	28.602 \| good	35.274 \| good	0.263 \| good	2.36 \| good	0.153 \| good
2026-04-28T11:00:00.000Z	38 \| good	6.551 \| good	29.267 \| good	34.146 \| good	0.277 \| good	2.318 \| good	0.152 \| good
2026-04-28T12:00:00.000Z	38 \| good	7.429 \| good	32.701 \| good	33.854 \| good	0.291 \| good	2.277 \| good	0.15 \| good
2026-04-28T13:00:00.000Z	38 \| good	6.98 \| good	31.031 \| good	29.797 \| good	0.329 \| good	2.312 \| good	0.152 \| good
2026-04-28T14:00:00.000Z	33 \| good	5.762 \| good	25.337 \| good	29.86 \| good	0.367 \| good	2.347 \| good	0.154 \| good
2026-04-28T15:00:00.000Z	30 \| good	4.276 \| good	18.685 \| good	32.469 \| good	0.406 \| good	2.383 \| good	0.157 \| good
2026-04-28T16:00:00.000Z	33 \| good	4.36 \| good	18.931 \| good	36.116 \| good	0.387 \| good	2.227 \| good	0.156 \| good
2026-04-28T17:00:00.000Z	36 \| good	4.764 \| good	20.732 \| good	39.263 \| good	0.368 \| good	2.072 \| good	0.155 \| good
2026-04-28T18:00:00.000Z	41 \| good	5.267 \| good	22.628 \| good	44.126 \| good	0.349 \| good	1.916 \| good	0.154 \| good
2026-04-28T19:00:00.000Z	43 \| good	5.67 \| good	24.464 \| good	45.925 \| good	0.356 \| good	2.109 \| good	0.154 \| good
2026-04-28T20:00:00.000Z	46 \| good	5.764 \| good	25.181 \| good	49.536 \| good	0.363 \| good	2.302 \| good	0.155 \| good
2026-04-28T21:00:00.000Z	45 \| good	6.237 \| good	27.792 \| good	48.604 \| good	0.369 \| good	2.494 \| good	0.155 \| good
2026-04-28T22:00:00.000Z	43 \| good	6.533 \| good	28.91 \| good	45.786 \| good	0.407 \| good	4.68 \| good	0.166 \| good
2026-04-28T23:00:00.000Z	40 \| good	6.327 \| good	27.954 \| good	42.984 \| good	0.445 \| good	6.865 \| good	0.177 \| good
2026-04-29T00:00:00.000Z	38 \| good	5.881 \| good	25.78 \| good	40.545 \| good	0.483 \| good	9.051 \| good	0.187 \| good
2026-04-29T01:00:00.000Z	38 \| good	7.384 \| good	32.566 \| good	37.444 \| good	0.592 \| good	11.611 \| good	0.199 \| good
2026-04-29T02:00:00.000Z	49 \| good	8.874 \| good	39.301 \| good	32.639 \| good	0.701 \| good	14.172 \| good	0.211 \| good
2026-04-29T03:00:00.000Z	52 \| moderate	9.891 \| good	44.068 \| good	28.942 \| good	0.81 \| good	16.732 \| good	0.223 \| good
2026-04-29T04:00:00.000Z	52 \| moderate	10.015 \| good	44.579 \| good	29.823 \| good	0.859 \| good	17.132 \| good	0.224 \| good
2026-04-29T05:00:00.000Z	52 \| moderate	10.048 \| good	44.415 \| good	29.431 \| good	0.909 \| good	17.533 \| good	0.224 \| good
2026-04-29T06:00:00.000Z	44 \| good	8.099 \| good	35.673 \| good	36.895 \| good	0.959 \| good	17.933 \| good	0.225 \| good
2026-04-29T07:00:00.000Z	37 \| good	5.762 \| good	25.033 \| good	39.665 \| good	0.946 \| good	17.196 \| good	0.218 \| good
2026-04-29T08:00:00.000Z	34 \| good	3.737 \| good	16.261 \| good	36.798 \| good	0.933 \| good	16.459 \| good	0.21 \| good
2026-04-29T09:00:00.000Z	31 \| good	3.373 \| good	14.812 \| good	33.22 \| good	0.92 \| good	15.722 \| good	0.203 \| good
2026-04-29T10:00:00.000Z	30 \| good	2.659 \| good	10.668 \| good	31.994 \| good	0.881 \| good	13.077 \| good	0.192 \| good
2026-04-29T11:00:00.000Z	30 \| good	4.612 \| good	20.104 \| good	32.163 \| good	0.843 \| good	10.433 \| good	0.181 \| good
2026-04-29T12:00:00.000Z	31 \| good	3.461 \| good	15.241 \| good	33.553 \| good	0.804 \| good	7.789 \| good	0.17 \| good
2026-04-29T13:00:00.000Z	31 \| good	2.735 \| good	11.04 \| good	34.047 \| good	0.842 \| good	6.734 \| good	0.17 \| good
2026-04-29T14:00:00.000Z	31 \| good	2.008 \| good	8.077 \| good	33.689 \| good	0.88 \| good	5.679 \| good	0.171 \| good
2026-04-29T15:00:00.000Z	33 \| good	1.46 \| good	5.965 \| good	35.946 \| good	0.918 \| good	4.623 \| good	0.171 \| good
2026-04-29T16:00:00.000Z	35 \| good	1.526 \| good	6.038 \| good	37.839 \| good	0.81 \| good	4.229 \| good	0.166 \| good
2026-04-29T17:00:00.000Z	35 \| good	1.808 \| good	7.637 \| good	38.137 \| good	0.702 \| good	3.835 \| good	0.161 \| good
2026-04-29T18:00:00.000Z	35 \| good	2.272 \| good	9.365 \| good	38.235 \| good	0.593 \| good	3.44 \| good	0.156 \| good
2026-04-29T19:00:00.000Z	34 \| good	1.795 \| good	7.462 \| good	36.728 \| good	0.554 \| good	3.623 \| good	0.155 \| good
2026-04-29T20:00:00.000Z	33 \| good	1.561 \| good	6.414 \| good	35.869 \| good	0.515 \| good	3.805 \| good	0.154 \| good
2026-04-29T21:00:00.000Z	35 \| good	2.146 \| good	9.028 \| good	37.83 \| good	0.476 \| good	3.987 \| good	0.152 \| good
2026-04-29T22:00:00.000Z	36 \| good	2.409 \| good	9.97 \| good	39.253 \| good	0.507 \| good	5.09 \| good	0.159 \| good
2026-04-29T23:00:00.000Z	38 \| good	2.83 \| good	11.601 \| good	41.295 \| good	0.538 \| good	6.192 \| good	0.165 \| good
2026-04-30T00:00:00.000Z	38 \| good	6.939 \| good	8.321 \| good	37.283 \| good	0.552 \| good	7.194 \| good	0.171 \| good

Lake Forest

Empower business decisions with accurate air quality data

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

0.26ppm

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 05:00:00 on 2026-04-27.

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 11:00:00 on 2026-04-27.

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

The real-time air quality index in Lake Forest, Illinois is 33, 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 6.423 μg/m³.

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

The current PM₁₀ levels in Lake Forest, Illinois are 19.682 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 0.252 ppm.

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

The current sulfur dioxide (SO₂) levels in Lake Forest, Illinois are 0.411 ppb.

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

The current ozone (O₃) levels at Lake Forest, Illinois is 30.548 ppm.

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

The current nitrogen dioxide (NO₂) levels at Lake Forest, Illinois is 3.26 ppb.

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