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

The current PM10 levels in Lake Forest, Illinois are 47.005 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 0.837 ppb.

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

The current ozone (O3) levels at Lake Forest, Illinois is 43.336 ppm.

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

The current nitrogen dioxide (NO2) levels at Lake Forest, Illinois is 24.195 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 18.347 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)

18.35 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

47.01 μg/m³

155

255

425

605+

Ozone (O₃)

43.34 ppb

201

201+

Sulfur Dioxide (SO₂)

0.84 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

24.20 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.28 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
2026-10-21T00:00:00.000Z	44 \| good	6.353 \| good	20.023 \| good	46.625 \| good	0.775 \| good	23.019 \| good	0.275 \| good
2026-10-21T01:00:00.000Z	38 \| good	6.974 \| good	21.746 \| good	41.027 \| good	0.622 \| good	28.673 \| good	0.29 \| good
2026-10-21T02:00:00.000Z	44 \| good	8.026 \| good	22.121 \| good	35.18 \| good	0.574 \| good	25.721 \| good	0.304 \| good
2026-10-21T03:00:00.000Z	38 \| good	7.05 \| good	31.018 \| good	23.772 \| good	2.291 \| good	27.891 \| good	0.257 \| good
2026-10-21T04:00:00.000Z	56 \| moderate	11.697 \| good	32.52 \| good	22.011 \| good	0.599 \| good	23.805 \| good	0.331 \| good
2026-10-21T05:00:00.000Z	58 \| moderate	12.581 \| fine	33.73 \| good	15.369 \| good	1.51 \| good	23.674 \| good	0.303 \| good
2026-10-21T06:00:00.000Z	58 \| moderate	12.955 \| fine	31.877 \| good	11.483 \| good	1.911 \| good	23.106 \| good	0.292 \| good
2026-10-21T07:00:00.000Z	56 \| moderate	12.497 \| fine	32.741 \| good	10.455 \| good	1.637 \| good	19.475 \| good	0.306 \| good
2026-10-21T08:00:00.000Z	58 \| moderate	12.788 \| fine	33.709 \| good	7.717 \| good	0.912 \| good	19.621 \| good	0.267 \| good
2026-10-21T09:00:00.000Z	58 \| moderate	12.887 \| fine	33.257 \| good	8.697 \| good	0.871 \| good	20.063 \| good	0.253 \| good
2026-10-21T10:00:00.000Z	60 \| moderate	14.162 \| fine	35.839 \| good	7.228 \| good	0.921 \| good	21.734 \| good	0.306 \| good
2026-10-21T11:00:00.000Z	62 \| moderate	14.978 \| fine	41.693 \| good	5.507 \| good	0.983 \| good	23.66 \| good	0.384 \| good
2026-10-21T12:00:00.000Z	69 \| moderate	18.586 \| fine	51.544 \| good	5.262 \| good	0.954 \| good	22.343 \| good	0.395 \| good
2026-10-21T13:00:00.000Z	67 \| moderate	17.863 \| fine	52.775 \| good	3.33 \| good	0.983 \| good	17.631 \| good	0.395 \| good
2026-10-21T14:00:00.000Z	81 \| moderate	24.778 \| fine	78.721 \| fine	5.001 \| good	1.162 \| good	24.667 \| good	0.476 \| good
2026-10-21T15:00:00.000Z	81 \| moderate	24.874 \| fine	93.313 \| fine	7.49 \| good	1.593 \| good	23.172 \| good	0.43 \| good
2026-10-21T16:00:00.000Z	82 \| moderate	25.586 \| fine	80.613 \| fine	9.729 \| good	1.954 \| good	21.374 \| good	0.331 \| good
2026-10-21T17:00:00.000Z	73 \| moderate	21.221 \| fine	73.695 \| fine	14.679 \| good	1.913 \| good	18.975 \| good	0.275 \| good
2026-10-21T18:00:00.000Z	62 \| moderate	15.157 \| fine	57.76 \| fine	22.766 \| good	1.988 \| good	17.242 \| good	0.263 \| good
2026-10-21T19:00:00.000Z	62 \| moderate	15.487 \| fine	55.351 \| fine	26.968 \| good	1.294 \| good	17.449 \| good	0.263 \| good
2026-10-21T20:00:00.000Z	54 \| moderate	10.984 \| good	42.106 \| good	35.868 \| good	1.299 \| good	15.548 \| good	0.263 \| good
2026-10-21T21:00:00.000Z	54 \| moderate	11.25 \| good	40.731 \| good	39.477 \| good	1.476 \| good	16.064 \| good	0.263 \| good
2026-10-21T22:00:00.000Z	56 \| moderate	12.42 \| fine	43.591 \| good	41.828 \| good	1.651 \| good	15.978 \| good	0.263 \| good
2026-10-21T23:00:00.000Z	58 \| moderate	13.304 \| fine	44.825 \| good	40.348 \| good	2.057 \| good	23.733 \| good	0.278 \| good
2026-10-22T00:00:00.000Z	60 \| moderate	14.42 \| fine	50.867 \| good	37.983 \| good	1.469 \| good	15.699 \| good	0.342 \| good
2026-10-22T01:00:00.000Z	64 \| moderate	15.658 \| fine	55.103 \| fine	34.39 \| good	1.048 \| good	22.24 \| good	0.379 \| good
2026-10-22T02:00:00.000Z	62 \| moderate	14.697 \| fine	51.281 \| good	32.2 \| good	0.835 \| good	32.436 \| good	0.407 \| good
2026-10-22T03:00:00.000Z	38 \| good	6.64 \| good	29.579 \| good	19.245 \| good	2.252 \| good	39.657 \| good	0.421 \| good
2026-10-22T04:00:00.000Z	60 \| moderate	14.333 \| fine	49.68 \| good	26.251 \| good	1.448 \| good	31.718 \| good	0.46 \| good
2026-10-22T05:00:00.000Z	62 \| moderate	15.26 \| fine	53.777 \| good	17.504 \| good	1.182 \| good	30.45 \| good	0.418 \| good
2026-10-22T06:00:00.000Z	62 \| moderate	15.397 \| fine	53.816 \| good	12.939 \| good	1.108 \| good	25.03 \| good	0.402 \| good
2026-10-22T07:00:00.000Z	64 \| moderate	15.866 \| fine	54.479 \| good	5.983 \| good	1.112 \| good	24.232 \| good	0.402 \| good
2026-10-22T08:00:00.000Z	66 \| moderate	17.071 \| fine	58.659 \| fine	5.912 \| good	1.037 \| good	24.113 \| good	0.351 \| good
2026-10-22T09:00:00.000Z	66 \| moderate	16.907 \| fine	53.177 \| good	3.426 \| good	1.029 \| good	22.246 \| good	0.337 \| good
2026-10-22T10:00:00.000Z	64 \| moderate	15.665 \| fine	45.028 \| good	3.924 \| good	0.892 \| good	19.034 \| good	0.325 \| good
2026-10-22T11:00:00.000Z	62 \| moderate	15.37 \| fine	43.95 \| good	5.167 \| good	0.869 \| good	18.261 \| good	0.436 \| good
2026-10-22T12:00:00.000Z	62 \| moderate	15.288 \| fine	44.59 \| good	5.26 \| good	0.835 \| good	19.256 \| good	0.483 \| good
2026-10-22T13:00:00.000Z	62 \| moderate	14.674 \| fine	42.054 \| good	5.79 \| good	0.961 \| good	19.366 \| good	0.461 \| good
2026-10-22T14:00:00.000Z	66 \| moderate	16.693 \| fine	42.972 \| good	5.645 \| good	1.216 \| good	19.238 \| good	0.511 \| good
2026-10-22T15:00:00.000Z	66 \| moderate	16.929 \| fine	52.297 \| good	9.957 \| good	1.405 \| good	21.148 \| good	0.498 \| good
2026-10-22T16:00:00.000Z	64 \| moderate	15.878 \| fine	52.201 \| good	18.062 \| good	1.496 \| good	23.553 \| good	0.333 \| good
2026-10-22T17:00:00.000Z	64 \| moderate	16.171 \| fine	53.543 \| good	29.523 \| good	1.795 \| good	22.543 \| good	0.303 \| good
2026-10-22T18:00:00.000Z	64 \| moderate	15.781 \| fine	51.419 \| good	32.135 \| good	1.468 \| good	22.517 \| good	0.253 \| good
2026-10-22T19:00:00.000Z	64 \| moderate	16.01 \| fine	51.145 \| good	37.378 \| good	2.293 \| good	16.128 \| good	0.224 \| good
2026-10-22T20:00:00.000Z	64 \| moderate	15.874 \| fine	48.402 \| good	42.012 \| good	1.741 \| good	9.525 \| good	0.224 \| good
2026-10-22T21:00:00.000Z	62 \| moderate	15.343 \| fine	47.208 \| good	46.373 \| good	1.693 \| good	6.706 \| good	0.263 \| good
2026-10-22T22:00:00.000Z	64 \| moderate	16.062 \| fine	47.092 \| good	46.367 \| good	1.303 \| good	9.151 \| good	0.263 \| good
2026-10-22T23:00:00.000Z	67 \| moderate	18.347 \| fine	47.005 \| good	43.336 \| good	0.837 \| good	24.195 \| good	0.278 \| good
2026-10-22T23:00:00.000Z	67 \| moderate	18.347 \| fine	47.005 \| good	43.336 \| good	0.837 \| good	24.195 \| good	0.278 \| good
2026-10-22T23:00:00.000Z	64 \| moderate	15.67 \| fine	69.929 \| fine	50.606 \| good	1.156 \| good	32.165 \| good	0.36 \| good
2026-10-23T00:00:00.000Z	54 \| moderate	11.215 \| good	49.931 \| good	42.047 \| good	1.291 \| good	37.6 \| good	0.403 \| good
2026-10-23T01:00:00.000Z	49 \| good	9.167 \| good	40.665 \| good	39.94 \| good	1.399 \| good	39.467 \| good	0.408 \| good
2026-10-23T02:00:00.000Z	44 \| good	8.132 \| good	35.957 \| good	34.783 \| good	1.52 \| good	40.918 \| good	0.404 \| good
2026-10-23T03:00:00.000Z	44 \| good	7.828 \| good	34.717 \| good	30.96 \| good	1.654 \| good	41.403 \| good	0.4 \| good
2026-10-23T04:00:00.000Z	40 \| good	7.461 \| good	32.753 \| good	28.9 \| good	1.764 \| good	41.568 \| good	0.402 \| good
2026-10-23T05:00:00.000Z	39 \| good	6.881 \| good	30.593 \| good	26.382 \| good	1.783 \| good	41.112 \| good	0.403 \| good
2026-10-23T06:00:00.000Z	38 \| good	7.499 \| good	33.38 \| good	24 \| good	1.779 \| good	40.418 \| good	0.393 \| good
2026-10-23T07:00:00.000Z	44 \| good	8.457 \| good	37.01 \| good	22.194 \| good	1.854 \| good	39.828 \| good	0.383 \| good
2026-10-23T08:00:00.000Z	52 \| moderate	9.657 \| good	43.052 \| good	23.524 \| good	1.977 \| good	39.369 \| good	0.376 \| good
2026-10-23T09:00:00.000Z	56 \| moderate	11.793 \| good	52.262 \| good	20.639 \| good	2.142 \| good	38.983 \| good	0.371 \| good
2026-10-23T10:00:00.000Z	64 \| moderate	16.138 \| fine	71.821 \| fine	17.396 \| good	2.395 \| good	38.539 \| good	0.366 \| good
2026-10-23T11:00:00.000Z	73 \| moderate	21.252 \| fine	93.309 \| fine	7.454 \| good	2.62 \| good	38.3 \| good	0.366 \| good
2026-10-23T12:00:00.000Z	81 \| moderate	25.246 \| fine	110.253 \| fine	1.827 \| good	2.917 \| good	37.937 \| good	0.376 \| good
2026-10-23T13:00:00.000Z	86 \| moderate	28.152 \| fine	122.56 \| fine	2.246 \| good	3.154 \| good	34.081 \| good	0.403 \| good
2026-10-23T14:00:00.000Z	82 \| moderate	25.583 \| fine	111.489 \| fine	9.581 \| good	3.115 \| good	29.098 \| good	0.401 \| good
2026-10-23T15:00:00.000Z	73 \| moderate	21.367 \| fine	94.037 \| fine	21.238 \| good	3.023 \| good	26.396 \| good	0.385 \| good
2026-10-23T16:00:00.000Z	71 \| moderate	19.837 \| fine	87.68 \| fine	31.211 \| good	2.873 \| good	23.36 \| good	0.341 \| good
2026-10-23T17:00:00.000Z	67 \| moderate	18.047 \| fine	80.003 \| fine	37.242 \| good	2.575 \| good	20.109 \| good	0.305 \| good
2026-10-23T18:00:00.000Z	66 \| moderate	16.638 \| fine	74.245 \| fine	43.105 \| good	2.447 \| good	16.567 \| good	0.277 \| good
2026-10-23T19:00:00.000Z	64 \| moderate	16.394 \| fine	72.944 \| fine	46.841 \| good	2.274 \| good	14.281 \| good	0.263 \| good
2026-10-23T20:00:00.000Z	64 \| moderate	15.851 \| fine	70.771 \| fine	47.831 \| good	2.109 \| good	13.087 \| good	0.253 \| good
2026-10-23T21:00:00.000Z	64 \| moderate	15.502 \| fine	69.68 \| fine	49.074 \| good	2.038 \| good	12.848 \| good	0.245 \| good
2026-10-23T22:00:00.000Z	60 \| moderate	13.795 \| fine	61.876 \| fine	50.208 \| good	1.949 \| good	16.648 \| good	0.256 \| good
2026-10-23T23:00:00.000Z	56 \| moderate	11.545 \| good	51.468 \| good	49.398 \| good	1.977 \| good	22.538 \| good	0.275 \| good
2026-10-24T00:00:00.000Z	54 \| moderate	10.723 \| good	47.545 \| good	39.448 \| good	2.007 \| good	25.79 \| good	0.282 \| good
2026-10-24T01:00:00.000Z	54 \| moderate	10.908 \| good	48.43 \| good	27.558 \| good	1.974 \| good	26.353 \| good	0.27 \| good
2026-10-24T02:00:00.000Z	58 \| moderate	13.36 \| fine	60.017 \| fine	19.315 \| good	1.889 \| good	26.313 \| good	0.259 \| good
2026-10-24T03:00:00.000Z	60 \| moderate	14.409 \| fine	64.967 \| fine	20.712 \| good	1.785 \| good	25.636 \| good	0.251 \| good
2026-10-24T04:00:00.000Z	60 \| moderate	13.902 \| fine	62.335 \| fine	21.711 \| good	1.692 \| good	23.835 \| good	0.246 \| good
2026-10-24T05:00:00.000Z	60 \| moderate	13.671 \| fine	61.642 \| fine	21.384 \| good	1.61 \| good	20.068 \| good	0.241 \| good
2026-10-24T06:00:00.000Z	58 \| moderate	13.147 \| fine	59.21 \| fine	21.141 \| good	1.562 \| good	16.923 \| good	0.237 \| good
2026-10-24T07:00:00.000Z	58 \| moderate	12.794 \| fine	57.889 \| fine	18.16 \| good	1.556 \| good	14.302 \| good	0.233 \| good
2026-10-24T08:00:00.000Z	56 \| moderate	12.084 \| good	53.937 \| good	18.633 \| good	1.537 \| good	12.414 \| good	0.23 \| good
2026-10-24T09:00:00.000Z	56 \| moderate	11.693 \| good	51.616 \| good	15.502 \| good	1.499 \| good	11.185 \| good	0.228 \| good
2026-10-24T10:00:00.000Z	52 \| moderate	10.478 \| good	46.402 \| good	15.395 \| good	1.474 \| good	10.662 \| good	0.228 \| good
2026-10-24T11:00:00.000Z	54 \| moderate	11.04 \| good	48.536 \| good	16.491 \| good	1.487 \| good	11.065 \| good	0.23 \| good
2026-10-24T12:00:00.000Z	56 \| moderate	12.003 \| good	53.708 \| good	16.875 \| good	1.553 \| good	13.712 \| good	0.236 \| good
2026-10-24T13:00:00.000Z	60 \| moderate	13.72 \| fine	61.534 \| fine	18.084 \| good	1.627 \| good	15.435 \| good	0.246 \| good
2026-10-24T14:00:00.000Z	64 \| moderate	16.354 \| fine	73.003 \| fine	26.543 \| good	1.682 \| good	15.151 \| good	0.257 \| good
2026-10-24T15:00:00.000Z	60 \| moderate	14.431 \| fine	64.731 \| fine	36.641 \| good	1.738 \| good	14.55 \| good	0.257 \| good
2026-10-24T16:00:00.000Z	58 \| moderate	12.911 \| fine	57.721 \| fine	43.787 \| good	1.746 \| good	14.16 \| good	0.256 \| good
2026-10-24T17:00:00.000Z	56 \| moderate	11.899 \| good	53.169 \| good	45.592 \| good	1.714 \| good	13.85 \| good	0.254 \| good
2026-10-24T18:00:00.000Z	54 \| moderate	11.104 \| good	49.148 \| good	48.615 \| good	1.711 \| good	12.825 \| good	0.248 \| good
2026-10-24T19:00:00.000Z	54 \| moderate	11.49 \| good	51.049 \| good	52.082 \| good	1.666 \| good	11.681 \| good	0.239 \| good
2026-10-24T20:00:00.000Z	56 \| moderate	12.106 \| fine	53.947 \| good	54.069 \| good	1.733 \| good	11.569 \| good	0.233 \| good
2026-10-24T21:00:00.000Z	58 \| moderate	12.844 \| fine	57.574 \| fine	53.171 \| good	1.737 \| good	12.569 \| good	0.232 \| good
2026-10-24T22:00:00.000Z	54 \| moderate	11.291 \| good	50.007 \| good	52.017 \| good	1.707 \| good	15.148 \| good	0.239 \| good

Lake Forest

Empower business decisions with accurate air quality data

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

0.28ppm

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 03:00:00 on 2026-10-22.

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 2026-10-22.

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

The real-time air quality index in Lake Forest, Illinois is 67, 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 18.347 μg/m³.

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

The current PM₁₀ levels in Lake Forest, Illinois are 47.005 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 0.278 ppm.

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

The current sulfur dioxide (SO₂) levels in Lake Forest, Illinois are 0.837 ppb.

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

The current ozone (O₃) levels at Lake Forest, Illinois is 43.336 ppm.

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

The current nitrogen dioxide (NO₂) levels at Lake Forest, Illinois is 24.195 ppb.

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