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

The current PM10 levels in Lake Forest, Illinois are 41.341 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 2.872 ppb.

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

The current ozone (O3) levels at Lake Forest, Illinois is 29.553 ppm.

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

The current nitrogen dioxide (NO2) levels at Lake Forest, Illinois is 2.153 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 14.657 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)

Moderate

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)

14.66 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

41.34 μg/m³

155

255

425

605+

Ozone (O₃)

29.55 ppb

201

201+

Sulfur Dioxide (SO₂)

2.87 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.15 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

Please contact us for custom requests

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
2026-08-21T23:00:00.000Z	60 \| moderate	13.615 \| fine	42.191 \| good	50.721 \| good	1.055 \| good	9.128 \| good	0.276 \| good
2026-08-22T00:00:00.000Z	58 \| moderate	13.346 \| fine	37.347 \| good	50.989 \| good	1.038 \| good	8.955 \| good	0.276 \| good
2026-08-22T01:00:00.000Z	58 \| moderate	13.381 \| fine	39.385 \| good	46.353 \| good	1.006 \| good	11.945 \| good	0.351 \| good
2026-08-22T02:00:00.000Z	58 \| moderate	13.363 \| fine	38.514 \| good	39.702 \| good	1.217 \| good	6.144 \| good	0.313 \| good
2026-08-22T03:00:00.000Z	60 \| moderate	13.516 \| fine	39.57 \| good	29.556 \| good	1.034 \| good	8.129 \| good	0.274 \| good
2026-08-22T04:00:00.000Z	60 \| moderate	13.621 \| fine	39.159 \| good	29.556 \| good	1.064 \| good	5.075 \| good	0.277 \| good
2026-08-22T05:00:00.000Z	60 \| moderate	13.593 \| fine	38.114 \| good	27.512 \| good	1.12 \| good	9.601 \| good	0.26 \| good
2026-08-22T06:00:00.000Z	60 \| moderate	13.528 \| fine	36.284 \| good	26.459 \| good	1.126 \| good	10.2 \| good	0.221 \| good
2026-08-22T07:00:00.000Z	58 \| moderate	13.218 \| fine	34.45 \| good	25.15 \| good	1.015 \| good	12.219 \| good	0.211 \| good
2026-08-22T08:00:00.000Z	56 \| moderate	11.934 \| good	29.488 \| good	23.496 \| good	1.098 \| good	6.081 \| good	0.213 \| good
2026-08-22T09:00:00.000Z	49 \| good	8.517 \| good	22.131 \| good	22.826 \| good	1.034 \| good	3.823 \| good	0.266 \| good
2026-08-22T10:00:00.000Z	44 \| good	8.051 \| good	21.042 \| good	22.996 \| good	0.972 \| good	7.878 \| good	0.208 \| good
2026-08-22T11:00:00.000Z	44 \| good	8.256 \| good	23.66 \| good	22.614 \| good	1.113 \| good	7.339 \| good	0.205 \| good
2026-08-22T12:00:00.000Z	44 \| good	8.284 \| good	24.992 \| good	23.431 \| good	1.181 \| good	5.283 \| good	0.204 \| good
2026-08-22T13:00:00.000Z	44 \| good	8.287 \| good	23.58 \| good	22.524 \| good	1.141 \| good	5.79 \| good	0.202 \| good
2026-08-22T14:00:00.000Z	44 \| good	8.068 \| good	23.615 \| good	23.154 \| good	1.138 \| good	5.685 \| good	0.279 \| good
2026-08-22T15:00:00.000Z	44 \| good	7.708 \| good	22.607 \| good	24.316 \| good	0.983 \| good	5.075 \| good	0.241 \| good
2026-08-22T16:00:00.000Z	44 \| good	7.554 \| good	22.629 \| good	27.384 \| good	0.843 \| good	4.714 \| good	0.24 \| good
2026-08-22T17:00:00.000Z	44 \| good	7.914 \| good	21.951 \| good	28.161 \| good	0.794 \| good	3.891 \| good	0.224 \| good
2026-08-22T18:00:00.000Z	29 \| good	4.842 \| good	21.498 \| good	30.612 \| good	0.768 \| good	2.77 \| good	0.224 \| good
2026-08-22T19:00:00.000Z	44 \| good	7.898 \| good	22.712 \| good	32.633 \| good	0.787 \| good	2.79 \| good	0.186 \| good
2026-08-22T20:00:00.000Z	44 \| good	7.798 \| good	21.932 \| good	36.963 \| good	0.862 \| good	2.542 \| good	0.224 \| good
2026-08-22T21:00:00.000Z	44 \| good	7.852 \| good	21.602 \| good	38.614 \| good	1.154 \| good	2.499 \| good	0.186 \| good
2026-08-22T22:00:00.000Z	44 \| good	7.925 \| good	22.256 \| good	40.594 \| good	0.797 \| good	3.257 \| good	0.224 \| good
2026-08-22T23:00:00.000Z	44 \| good	7.713 \| good	21.914 \| good	40.145 \| good	0.766 \| good	2.685 \| good	0.224 \| good
2026-08-23T00:00:00.000Z	44 \| good	7.735 \| good	22.138 \| good	38.19 \| good	0.796 \| good	3.499 \| good	0.186 \| good
2026-08-23T01:00:00.000Z	44 \| good	7.717 \| good	21.724 \| good	35.563 \| good	0.801 \| good	5.037 \| good	0.261 \| good
2026-08-23T02:00:00.000Z	38 \| good	7.272 \| good	20.907 \| good	33.346 \| good	0.787 \| good	6.307 \| good	0.261 \| good
2026-08-23T03:00:00.000Z	19 \| good	3.184 \| good	13.6 \| good	20.723 \| good	0.336 \| good	5.69 \| good	0.166 \| good
2026-08-23T04:00:00.000Z	38 \| good	6.681 \| good	19.193 \| good	32.062 \| good	0.769 \| good	8.113 \| good	0.299 \| good
2026-08-23T05:00:00.000Z	38 \| good	6.756 \| good	19.585 \| good	27.918 \| good	0.893 \| good	7.286 \| good	0.263 \| good
2026-08-23T06:00:00.000Z	38 \| good	6.866 \| good	19.889 \| good	24.524 \| good	0.832 \| good	7.244 \| good	0.261 \| good
2026-08-23T07:00:00.000Z	38 \| good	6.751 \| good	19.542 \| good	22.447 \| good	0.767 \| good	8.64 \| good	0.261 \| good
2026-08-23T08:00:00.000Z	38 \| good	6.968 \| good	19.733 \| good	21.339 \| good	0.755 \| good	5.149 \| good	0.188 \| good
2026-08-23T09:00:00.000Z	38 \| good	6.955 \| good	19.116 \| good	18.407 \| good	0.792 \| good	4.81 \| good	0.189 \| good
2026-08-23T10:00:00.000Z	38 \| good	7.079 \| good	20.516 \| good	16.648 \| good	0.735 \| good	3.528 \| good	0.189 \| good
2026-08-23T11:00:00.000Z	38 \| good	7.327 \| good	20.27 \| good	16.443 \| good	0.823 \| good	3.808 \| good	0.189 \| good
2026-08-23T12:00:00.000Z	38 \| good	7.446 \| good	22.865 \| good	16.551 \| good	0.751 \| good	4.319 \| good	0.188 \| good
2026-08-23T13:00:00.000Z	38 \| good	7.404 \| good	20.036 \| good	16.712 \| good	1.439 \| good	5.968 \| good	0.188 \| good
2026-08-23T14:00:00.000Z	56 \| moderate	11.857 \| good	30.574 \| good	18.334 \| good	2.181 \| good	3.999 \| good	0.256 \| good
2026-08-23T15:00:00.000Z	75 \| moderate	21.585 \| fine	52.715 \| good	21.082 \| good	1.809 \| good	3.45 \| good	0.24 \| good
2026-08-23T16:00:00.000Z	75 \| moderate	21.523 \| fine	53.346 \| good	23.294 \| good	1.166 \| good	3.133 \| good	0.25 \| good
2026-08-23T17:00:00.000Z	96 \| moderate	33.383 \| fine	84.862 \| fine	25.814 \| good	0.898 \| good	2.25 \| good	0.248 \| good
2026-08-23T18:00:00.000Z	84 \| moderate	27.295 \| fine	70.563 \| fine	27.831 \| good	0.815 \| good	2.13 \| good	0.196 \| good
2026-08-23T19:00:00.000Z	77 \| moderate	22.528 \| fine	59.995 \| fine	28.551 \| good	0.819 \| good	2.108 \| good	0.234 \| good
2026-08-23T20:00:00.000Z	69 \| moderate	19.071 \| fine	48.393 \| good	29.632 \| good	0.841 \| good	2.039 \| good	0.224 \| good
2026-08-23T21:00:00.000Z	64 \| moderate	16.276 \| fine	45.062 \| good	29.187 \| good	0.93 \| good	1.978 \| good	0.234 \| good
2026-08-23T22:00:00.000Z	62 \| moderate	14.79 \| fine	38.904 \| good	29.027 \| good	2.984 \| good	2.114 \| good	0.224 \| good
2026-08-23T22:00:00.000Z	62 \| moderate	14.657 \| fine	41.341 \| good	29.553 \| good	2.872 \| good	2.153 \| good	0.226 \| good
2026-08-23T23:00:00.000Z	38 \| good	6.542 \| good	28.949 \| good	31.955 \| good	0.225 \| good	1.545 \| good	0.139 \| good
2026-08-24T00:00:00.000Z	28 \| good	3.866 \| good	16.752 \| good	29.846 \| good	0.257 \| good	3.028 \| good	0.146 \| good
2026-08-24T01:00:00.000Z	27 \| good	4.67 \| good	20.325 \| good	27.621 \| good	0.303 \| good	5.752 \| good	0.159 \| good
2026-08-24T02:00:00.000Z	22 \| good	4.079 \| good	17.981 \| good	22.533 \| good	0.336 \| good	7.614 \| good	0.165 \| good
2026-08-24T03:00:00.000Z	22 \| good	4.12 \| good	18.094 \| good	19.413 \| good	0.37 \| good	9.021 \| good	0.17 \| good
2026-08-24T04:00:00.000Z	22 \| good	4.017 \| good	17.449 \| good	14.365 \| good	0.401 \| good	10.561 \| good	0.174 \| good
2026-08-24T05:00:00.000Z	27 \| good	4.613 \| good	20.162 \| good	12.472 \| good	0.42 \| good	10.426 \| good	0.176 \| good
2026-08-24T06:00:00.000Z	27 \| good	5.079 \| good	21.682 \| good	13.355 \| good	0.442 \| good	10.203 \| good	0.179 \| good
2026-08-24T07:00:00.000Z	27 \| good	4.835 \| good	20.85 \| good	13.41 \| good	0.484 \| good	10.999 \| good	0.183 \| good
2026-08-24T08:00:00.000Z	27 \| good	4.67 \| good	20.253 \| good	11.548 \| good	0.542 \| good	12.042 \| good	0.188 \| good
2026-08-24T09:00:00.000Z	27 \| good	4.853 \| good	20.875 \| good	7.384 \| good	0.614 \| good	13.225 \| good	0.195 \| good
2026-08-24T10:00:00.000Z	27 \| good	4.641 \| good	19.944 \| good	6.619 \| good	0.686 \| good	13.474 \| good	0.199 \| good
2026-08-24T11:00:00.000Z	27 \| good	5.441 \| good	23.266 \| good	5.01 \| good	0.757 \| good	13.927 \| good	0.205 \| good
2026-08-24T12:00:00.000Z	38 \| good	6.538 \| good	29.35 \| good	7.462 \| good	0.838 \| good	11.957 \| good	0.211 \| good
2026-08-24T13:00:00.000Z	44 \| good	7.838 \| good	34.064 \| good	17.212 \| good	0.945 \| good	9.003 \| good	0.211 \| good
2026-08-24T14:00:00.000Z	44 \| good	7.507 \| good	32.842 \| good	22.708 \| good	1.236 \| good	6.921 \| good	0.182 \| good
2026-08-24T15:00:00.000Z	38 \| good	6.668 \| good	29.606 \| good	25.075 \| good	1.282 \| good	5.344 \| good	0.17 \| good
2026-08-24T16:00:00.000Z	33 \| good	5.903 \| good	26.014 \| good	28.942 \| good	1.178 \| good	4.137 \| good	0.163 \| good
2026-08-24T17:00:00.000Z	33 \| good	5.724 \| good	24.583 \| good	31.568 \| good	0.991 \| good	3.049 \| good	0.158 \| good
2026-08-24T18:00:00.000Z	33 \| good	6.231 \| good	27.517 \| good	32.152 \| good	0.747 \| good	2.067 \| good	0.153 \| good
2026-08-24T19:00:00.000Z	33 \| good	5.958 \| good	26.128 \| good	32.534 \| good	0.571 \| good	1.51 \| good	0.149 \| good
2026-08-24T20:00:00.000Z	33 \| good	5.804 \| good	25.664 \| good	32.721 \| good	0.48 \| good	1.273 \| good	0.148 \| good
2026-08-24T21:00:00.000Z	33 \| good	5.545 \| good	23.807 \| good	32.596 \| good	0.446 \| good	1.248 \| good	0.147 \| good
2026-08-24T22:00:00.000Z	33 \| good	6.114 \| good	27.183 \| good	33.926 \| good	0.45 \| good	1.518 \| good	0.148 \| good
2026-08-24T23:00:00.000Z	38 \| good	7.32 \| good	32.265 \| good	33.784 \| good	0.452 \| good	2.142 \| good	0.151 \| good
2026-08-25T00:00:00.000Z	33 \| good	5.776 \| good	25.431 \| good	34.897 \| good	0.477 \| good	5.011 \| good	0.169 \| good
2026-08-25T01:00:00.000Z	33 \| good	6.188 \| good	27.044 \| good	27.876 \| good	0.533 \| good	9.942 \| good	0.193 \| good
2026-08-25T02:00:00.000Z	38 \| good	6.938 \| good	30.951 \| good	21.339 \| good	0.597 \| good	13.092 \| good	0.204 \| good
2026-08-25T03:00:00.000Z	54 \| moderate	11.005 \| good	49.055 \| good	15.43 \| good	0.657 \| good	13.387 \| good	0.203 \| good
2026-08-25T04:00:00.000Z	60 \| moderate	13.894 \| fine	62.697 \| fine	11.91 \| good	0.718 \| good	13.19 \| good	0.198 \| good
2026-08-25T05:00:00.000Z	62 \| moderate	15.033 \| fine	67.295 \| fine	9.3 \| good	0.783 \| good	13.257 \| good	0.197 \| good
2026-08-25T06:00:00.000Z	62 \| moderate	15.295 \| fine	68.558 \| fine	9.951 \| good	0.85 \| good	12.666 \| good	0.196 \| good
2026-08-25T07:00:00.000Z	60 \| moderate	14.267 \| fine	63.476 \| fine	11.206 \| good	0.931 \| good	12.36 \| good	0.195 \| good
2026-08-25T08:00:00.000Z	60 \| moderate	13.594 \| fine	60.696 \| fine	9.777 \| good	1.034 \| good	12.512 \| good	0.195 \| good
2026-08-25T09:00:00.000Z	62 \| moderate	14.913 \| fine	66.847 \| fine	6.907 \| good	1.173 \| good	13.173 \| good	0.199 \| good
2026-08-25T10:00:00.000Z	71 \| moderate	20.027 \| fine	88.386 \| fine	7.161 \| good	1.396 \| good	14.003 \| good	0.205 \| good
2026-08-25T11:00:00.000Z	71 \| moderate	19.977 \| fine	88.074 \| fine	4.307 \| good	1.641 \| good	15.206 \| good	0.213 \| good
2026-08-25T12:00:00.000Z	75 \| moderate	21.581 \| fine	95.121 \| fine	8.221 \| good	1.831 \| good	14.151 \| good	0.223 \| good
2026-08-25T13:00:00.000Z	69 \| moderate	19.352 \| fine	85.441 \| fine	16.756 \| good	1.987 \| good	12.033 \| good	0.232 \| good
2026-08-25T14:00:00.000Z	64 \| moderate	16.187 \| fine	72.248 \| fine	24.451 \| good	2.575 \| good	10.592 \| good	0.23 \| good
2026-08-25T15:00:00.000Z	56 \| moderate	12.197 \| fine	54.571 \| good	29.635 \| good	3.318 \| good	8.303 \| good	0.207 \| good
2026-08-25T16:00:00.000Z	52 \| moderate	10.393 \| good	45.911 \| good	36.027 \| good	3.066 \| good	5.894 \| good	0.19 \| good
2026-08-25T17:00:00.000Z	54 \| moderate	11.187 \| good	49.409 \| good	39.004 \| good	2.525 \| good	3.939 \| good	0.178 \| good
2026-08-25T18:00:00.000Z	56 \| moderate	12.029 \| good	54.092 \| good	45.183 \| good	2.211 \| good	2.828 \| good	0.175 \| good
2026-08-25T19:00:00.000Z	58 \| moderate	12.97 \| fine	58.493 \| fine	52.258 \| good	1.969 \| good	2.188 \| good	0.173 \| good
2026-08-25T20:00:00.000Z	71 \| moderate	14.076 \| fine	63.604 \| fine	60.8 \| fine	1.773 \| good	1.914 \| good	0.172 \| good
2026-08-25T21:00:00.000Z	80 \| moderate	13.987 \| fine	62.485 \| fine	64.307 \| fine	1.632 \| good	1.868 \| good	0.171 \| good
2026-08-25T22:00:00.000Z	61 \| moderate	14.493 \| fine	64.388 \| fine	58.278 \| fine	1.511 \| good	2.039 \| good	0.17 \| good

Lake Forest

Empower business decisions with accurate air quality data

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

0.24ppm

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

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

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 2026-08-23.

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 03:00:00 on 2026-08-23.

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

The real-time air quality index in Lake Forest, Illinois is 62, currently categorized as Moderate.

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 14.657 μg/m³.

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

The current PM₁₀ levels in Lake Forest, Illinois are 41.341 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 0.226 ppm.

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

The current sulfur dioxide (SO₂) levels in Lake Forest, Illinois are 2.872 ppb.

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

The current ozone (O₃) levels at Lake Forest, Illinois is 29.553 ppm.

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

The current nitrogen dioxide (NO₂) levels at Lake Forest, Illinois is 2.153 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions