What is the sulfur dioxide (SO2) level in North Chicago, Illinois at the moment?

Currently, North Chicago, Illinois has a sulfur dioxide (SO2) concentration of 0.991 ppb.

What is the ozone (O3) level in North Chicago, Illinois at the moment?

The current ozone (O3) level in North Chicago, Illinois at the moment is 49.873 ppm.

What is the nitrogen dioxide (NO2) level in North Chicago, Illinois at the moment?

Nitrogen dioxide (NO2) level in North Chicago, Illinois at the moment is 12.973 ppb.

Live air quality index in North Chicago, Illinois today

Q: What is the PM2.5 level in North Chicago, Illinois at the moment?

PM2.5 levels in North Chicago, Illinois are currently 18.954 μg/m3.

Q: What is the PM10 level in North Chicago, Illinois at the moment?

The PM10 concentration in North Chicago, Illinois is 54.464 μg/m3 at the moment.

Stay updated with real-time air quality in North Chicago, 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

North Chicago, Illinois

Last updated: ... (Local time)

Major air pollutants in North Chicago, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

18.95 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

54.46 μg/m³

155

255

425

605+

Ozone (O₃)

49.87 ppb

201

201+

Sulfur Dioxide (SO₂)

0.99 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

12.97 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.28 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

North Chicago, Illinois

Get Live Pollen Counts

North Chicago, Illinois

Scroll To Air Quality Map

Track live North Chicago, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T23:00:00.000Z	42 \| good	6.213 \| good	21.608 \| good	44.857 \| good	2.212 \| good	5.964 \| good	0.244 \| good
2026-10-21T00:00:00.000Z	40 \| good	6.332 \| good	24.625 \| good	42.939 \| good	0.699 \| good	6.201 \| good	0.277 \| good
2026-10-21T01:00:00.000Z	41 \| good	6.153 \| good	22.545 \| good	43.864 \| good	0.559 \| good	12.951 \| good	0.289 \| good
2026-10-21T02:00:00.000Z	44 \| good	7.999 \| good	16.643 \| good	37.584 \| good	0.529 \| good	22.411 \| good	0.301 \| good
2026-10-21T03:00:00.000Z	52 \| moderate	10.004 \| good	44.728 \| good	16.972 \| good	2.363 \| good	28.858 \| good	0.263 \| good
2026-10-21T04:00:00.000Z	52 \| moderate	10.162 \| good	27.942 \| good	23.603 \| good	0.613 \| good	22.447 \| good	0.343 \| good
2026-10-21T05:00:00.000Z	58 \| moderate	13.138 \| fine	35.46 \| good	26.109 \| good	1.439 \| good	22.397 \| good	0.31 \| good
2026-10-21T06:00:00.000Z	60 \| moderate	14.093 \| fine	29.482 \| good	7.884 \| good	1.71 \| good	22.863 \| good	0.299 \| good
2026-10-21T07:00:00.000Z	62 \| moderate	15.407 \| fine	60.728 \| fine	5.183 \| good	1.466 \| good	19.002 \| good	0.312 \| good
2026-10-21T08:00:00.000Z	58 \| moderate	13.472 \| fine	32.357 \| good	3.182 \| good	0.845 \| good	19.073 \| good	0.268 \| good
2026-10-21T09:00:00.000Z	54 \| moderate	11.413 \| good	39.077 \| good	12.409 \| good	0.813 \| good	19.573 \| good	0.256 \| good
2026-10-21T10:00:00.000Z	56 \| moderate	12.007 \| good	24.142 \| good	7.61 \| good	0.878 \| good	20.933 \| good	0.312 \| good
2026-10-21T11:00:00.000Z	58 \| moderate	13.275 \| fine	41.084 \| good	6.99 \| good	0.951 \| good	23.51 \| good	0.399 \| good
2026-10-21T12:00:00.000Z	66 \| moderate	16.554 \| fine	73.186 \| fine	5.447 \| good	0.929 \| good	22.211 \| good	0.41 \| good
2026-10-21T13:00:00.000Z	64 \| moderate	16.196 \| fine	58.043 \| fine	2.459 \| good	0.964 \| good	17.495 \| good	0.41 \| good
2026-10-21T14:00:00.000Z	52 \| moderate	10.46 \| good	42.172 \| good	6.934 \| good	1.157 \| good	24.637 \| good	0.479 \| good
2026-10-21T15:00:00.000Z	79 \| moderate	24.401 \| fine	107.302 \| fine	16.935 \| good	1.509 \| good	23.254 \| good	0.443 \| good
2026-10-21T16:00:00.000Z	77 \| moderate	23.038 \| fine	82.357 \| fine	15.302 \| good	1.797 \| good	21.46 \| good	0.343 \| good
2026-10-21T17:00:00.000Z	67 \| moderate	18.354 \| fine	70.824 \| fine	18.689 \| good	1.745 \| good	20.105 \| good	0.286 \| good
2026-10-21T18:00:00.000Z	58 \| moderate	12.732 \| fine	52.626 \| good	22.545 \| good	1.668 \| good	17.97 \| good	0.275 \| good
2026-10-21T19:00:00.000Z	58 \| moderate	13.19 \| fine	58.484 \| fine	31.005 \| good	1.196 \| good	18.582 \| good	0.275 \| good
2026-10-21T20:00:00.000Z	44 \| good	8.499 \| good	38.776 \| good	35.475 \| good	1.207 \| good	16.032 \| good	0.275 \| good
2026-10-21T21:00:00.000Z	49 \| good	9 \| good	33.864 \| good	36.435 \| good	1.401 \| good	17.717 \| good	0.275 \| good
2026-10-21T22:00:00.000Z	42 \| good	6.885 \| good	23.789 \| good	44.902 \| good	1.247 \| good	17.175 \| good	0.275 \| good
2026-10-21T23:00:00.000Z	54 \| moderate	11.16 \| good	29.506 \| good	40.507 \| good	1.425 \| good	11.316 \| good	0.287 \| good
2026-10-22T00:00:00.000Z	54 \| moderate	11.2 \| good	40.402 \| good	32.737 \| good	1.197 \| good	15.986 \| good	0.354 \| good
2026-10-22T01:00:00.000Z	64 \| moderate	15.684 \| fine	52.741 \| good	38.815 \| good	0.877 \| good	18.437 \| good	0.387 \| good
2026-10-22T02:00:00.000Z	64 \| moderate	16.114 \| fine	65.539 \| fine	40.446 \| good	0.709 \| good	28.551 \| good	0.42 \| good
2026-10-22T03:00:00.000Z	39 \| good	6.873 \| good	30.248 \| good	18.683 \| good	1.967 \| good	41.154 \| good	0.421 \| good
2026-10-22T04:00:00.000Z	62 \| moderate	14.88 \| fine	59.722 \| fine	21.798 \| good	1.083 \| good	31.991 \| good	0.476 \| good
2026-10-22T05:00:00.000Z	64 \| moderate	16.057 \| fine	77.777 \| fine	14.872 \| good	0.857 \| good	28.956 \| good	0.43 \| good
2026-10-22T06:00:00.000Z	64 \| moderate	15.673 \| fine	66.535 \| fine	14.452 \| good	0.775 \| good	23.465 \| good	0.397 \| good
2026-10-22T07:00:00.000Z	64 \| moderate	15.683 \| fine	68.196 \| fine	12.061 \| good	0.774 \| good	23.818 \| good	0.397 \| good
2026-10-22T08:00:00.000Z	66 \| moderate	16.559 \| fine	72.858 \| fine	12.179 \| good	0.447 \| good	19.127 \| good	0.353 \| good
2026-10-22T09:00:00.000Z	66 \| moderate	16.724 \| fine	68.074 \| fine	13.692 \| good	0.398 \| good	18.467 \| good	0.341 \| good
2026-10-22T10:00:00.000Z	69 \| moderate	19.467 \| fine	64.154 \| fine	12.701 \| good	0.396 \| good	15.81 \| good	0.331 \| good
2026-10-22T11:00:00.000Z	71 \| moderate	19.672 \| fine	57.066 \| fine	13.028 \| good	0.689 \| good	14.713 \| good	0.446 \| good
2026-10-22T12:00:00.000Z	64 \| moderate	15.553 \| fine	51.721 \| good	9.182 \| good	0.349 \| good	13.528 \| good	0.527 \| good
2026-10-22T13:00:00.000Z	64 \| moderate	15.928 \| fine	80.16 \| fine	2.775 \| good	0.362 \| good	17.004 \| good	0.467 \| good
2026-10-22T14:00:00.000Z	67 \| moderate	17.636 \| fine	36.081 \| good	7.264 \| good	0.987 \| good	20.518 \| good	0.521 \| good
2026-10-22T15:00:00.000Z	62 \| moderate	15.376 \| fine	43.678 \| good	21.333 \| good	1.053 \| good	16.526 \| good	0.497 \| good
2026-10-22T16:00:00.000Z	58 \| moderate	13.043 \| fine	49.515 \| good	13.664 \| good	0.8 \| good	14.779 \| good	0.325 \| good
2026-10-22T17:00:00.000Z	62 \| moderate	14.902 \| fine	41.536 \| good	22.064 \| good	0.885 \| good	10.905 \| good	0.31 \| good
2026-10-22T18:00:00.000Z	64 \| moderate	15.704 \| fine	61.74 \| fine	28.597 \| good	0.963 \| good	6.496 \| good	0.256 \| good
2026-10-22T19:00:00.000Z	66 \| moderate	16.68 \| fine	68.683 \| fine	33.738 \| good	1.733 \| good	6.668 \| good	0.231 \| good
2026-10-22T20:00:00.000Z	60 \| moderate	14.476 \| fine	61.344 \| fine	30.859 \| good	1.395 \| good	5.88 \| good	0.231 \| good
2026-10-22T21:00:00.000Z	64 \| moderate	15.704 \| fine	40.132 \| good	34.136 \| good	1.357 \| good	6.919 \| good	0.275 \| good
2026-10-22T22:00:00.000Z	60 \| moderate	13.824 \| fine	56.534 \| fine	42.881 \| good	1.011 \| good	12.457 \| good	0.275 \| good
2026-10-22T22:00:00.000Z	69 \| moderate	18.954 \| fine	54.464 \| good	49.873 \| good	0.991 \| good	12.973 \| good	0.279 \| good
2026-10-22T23:00:00.000Z	67 \| moderate	17.66 \| fine	78.762 \| fine	39.35 \| good	0.976 \| good	28.037 \| good	0.349 \| good
2026-10-23T00:00:00.000Z	62 \| moderate	14.918 \| fine	66.547 \| fine	30.896 \| good	1.112 \| good	35.112 \| good	0.391 \| good
2026-10-23T01:00:00.000Z	58 \| moderate	12.948 \| fine	58.302 \| fine	31.806 \| good	1.25 \| good	38.612 \| good	0.398 \| good
2026-10-23T02:00:00.000Z	54 \| moderate	11.499 \| good	51.195 \| good	28.38 \| good	1.399 \| good	41.593 \| good	0.399 \| good
2026-10-23T03:00:00.000Z	54 \| moderate	10.961 \| good	48.514 \| good	24.629 \| good	1.56 \| good	43.051 \| good	0.399 \| good
2026-10-23T04:00:00.000Z	52 \| moderate	10.17 \| good	45.217 \| good	21.861 \| good	1.702 \| good	43.933 \| good	0.406 \| good
2026-10-23T05:00:00.000Z	49 \| good	9.224 \| good	41.264 \| good	19.384 \| good	1.761 \| good	43.943 \| good	0.41 \| good
2026-10-23T06:00:00.000Z	52 \| moderate	9.513 \| good	42.658 \| good	17.211 \| good	1.784 \| good	43.694 \| good	0.403 \| good
2026-10-23T07:00:00.000Z	52 \| moderate	10.079 \| good	44.683 \| good	16.123 \| good	1.866 \| good	43.444 \| good	0.395 \| good
2026-10-23T08:00:00.000Z	54 \| moderate	11.042 \| good	48.906 \| good	16.432 \| good	1.993 \| good	43.252 \| good	0.388 \| good
2026-10-23T09:00:00.000Z	58 \| moderate	13.001 \| fine	58.27 \| fine	15.476 \| good	2.17 \| good	43.143 \| good	0.382 \| good
2026-10-23T10:00:00.000Z	66 \| moderate	17.333 \| fine	76.529 \| fine	13.196 \| good	2.436 \| good	42.852 \| good	0.377 \| good
2026-10-23T11:00:00.000Z	75 \| moderate	22.064 \| fine	96.895 \| fine	4.612 \| good	2.686 \| good	42.645 \| good	0.377 \| good
2026-10-23T12:00:00.000Z	82 \| moderate	26.137 \| fine	113.659 \| fine	1.235 \| good	2.983 \| good	42.083 \| good	0.387 \| good
2026-10-23T13:00:00.000Z	88 \| moderate	28.961 \| fine	125.484 \| fine	1.382 \| good	3.204 \| good	37.087 \| good	0.412 \| good
2026-10-23T14:00:00.000Z	81 \| moderate	24.954 \| fine	108.769 \| fine	10.902 \| good	3.242 \| good	30.891 \| good	0.407 \| good
2026-10-23T15:00:00.000Z	71 \| moderate	20.144 \| fine	88.231 \| fine	23.906 \| good	3.173 \| good	27.321 \| good	0.391 \| good
2026-10-23T16:00:00.000Z	69 \| moderate	18.782 \| fine	83.055 \| fine	33.51 \| good	3.021 \| good	23.712 \| good	0.347 \| good
2026-10-23T17:00:00.000Z	66 \| moderate	17.427 \| fine	77.68 \| fine	40.002 \| good	2.666 \| good	20.093 \| good	0.307 \| good
2026-10-23T18:00:00.000Z	64 \| moderate	16.456 \| fine	73.185 \| fine	45.495 \| good	2.532 \| good	16.683 \| good	0.279 \| good
2026-10-23T19:00:00.000Z	64 \| moderate	16.063 \| fine	71.839 \| fine	49.1 \| good	2.323 \| good	14.751 \| good	0.267 \| good
2026-10-23T20:00:00.000Z	64 \| moderate	15.689 \| fine	69.889 \| fine	48.567 \| good	2.118 \| good	13.808 \| good	0.257 \| good
2026-10-23T21:00:00.000Z	64 \| moderate	15.988 \| fine	71.109 \| fine	45.641 \| good	2.047 \| good	13.689 \| good	0.249 \| good
2026-10-23T22:00:00.000Z	62 \| moderate	15.328 \| fine	68.275 \| fine	42.765 \| good	1.98 \| good	17.154 \| good	0.26 \| good
2026-10-23T23:00:00.000Z	60 \| moderate	14.185 \| fine	63.79 \| fine	39.006 \| good	2.041 \| good	22.433 \| good	0.278 \| good
2026-10-24T00:00:00.000Z	58 \| moderate	12.938 \| fine	57.715 \| fine	30.202 \| good	2.096 \| good	25.293 \| good	0.286 \| good
2026-10-24T01:00:00.000Z	58 \| moderate	12.901 \| fine	57.43 \| fine	19.343 \| good	2.091 \| good	26.009 \| good	0.276 \| good
2026-10-24T02:00:00.000Z	62 \| moderate	15.311 \| fine	68.172 \| fine	10.187 \| good	2.022 \| good	26.215 \| good	0.266 \| good
2026-10-24T03:00:00.000Z	66 \| moderate	16.863 \| fine	75.077 \| fine	7.967 \| good	1.919 \| good	25.991 \| good	0.257 \| good
2026-10-24T04:00:00.000Z	66 \| moderate	16.791 \| fine	74.315 \| fine	9.748 \| good	1.816 \| good	24.754 \| good	0.251 \| good
2026-10-24T05:00:00.000Z	64 \| moderate	16.297 \| fine	72.32 \| fine	13.15 \| good	1.738 \| good	21.604 \| good	0.245 \| good
2026-10-24T06:00:00.000Z	64 \| moderate	15.737 \| fine	70.179 \| fine	15.584 \| good	1.693 \| good	18.838 \| good	0.241 \| good
2026-10-24T07:00:00.000Z	62 \| moderate	14.916 \| fine	66.41 \| fine	14.238 \| good	1.702 \| good	16.104 \| good	0.237 \| good
2026-10-24T08:00:00.000Z	58 \| moderate	13.343 \| fine	60.081 \| fine	15.583 \| good	1.677 \| good	13.986 \| good	0.233 \| good
2026-10-24T09:00:00.000Z	58 \| moderate	12.7 \| fine	57.038 \| fine	14.397 \| good	1.618 \| good	12.421 \| good	0.231 \| good
2026-10-24T10:00:00.000Z	56 \| moderate	11.691 \| good	51.884 \| good	14.665 \| good	1.569 \| good	11.581 \| good	0.23 \| good
2026-10-24T11:00:00.000Z	56 \| moderate	12.04 \| good	53.755 \| good	14.915 \| good	1.554 \| good	11.664 \| good	0.231 \| good
2026-10-24T12:00:00.000Z	56 \| moderate	12.424 \| fine	56.043 \| fine	14.196 \| good	1.599 \| good	13.718 \| good	0.237 \| good
2026-10-24T13:00:00.000Z	58 \| moderate	13.328 \| fine	59.899 \| fine	15.516 \| good	1.656 \| good	15.361 \| good	0.247 \| good
2026-10-24T14:00:00.000Z	62 \| moderate	14.996 \| fine	67.463 \| fine	25.471 \| good	1.691 \| good	15.142 \| good	0.257 \| good
2026-10-24T15:00:00.000Z	60 \| moderate	13.862 \| fine	62.713 \| fine	35.403 \| good	1.738 \| good	14.475 \| good	0.257 \| good
2026-10-24T16:00:00.000Z	58 \| moderate	12.708 \| fine	57.157 \| fine	42.125 \| good	1.728 \| good	14.136 \| good	0.256 \| good
2026-10-24T17:00:00.000Z	56 \| moderate	11.584 \| good	51.219 \| good	45.698 \| good	1.674 \| good	13.808 \| good	0.254 \| good
2026-10-24T18:00:00.000Z	54 \| moderate	11.192 \| good	49.728 \| good	48.502 \| good	1.666 \| good	12.83 \| good	0.247 \| good
2026-10-24T19:00:00.000Z	56 \| moderate	11.607 \| good	51.374 \| good	51.167 \| good	1.629 \| good	11.798 \| good	0.238 \| good
2026-10-24T20:00:00.000Z	56 \| moderate	12.263 \| fine	55.323 \| fine	51.689 \| good	1.656 \| good	11.675 \| good	0.232 \| good
2026-10-24T21:00:00.000Z	58 \| moderate	12.949 \| fine	58.137 \| fine	49.523 \| good	1.683 \| good	12.644 \| good	0.232 \| good
2026-10-24T22:00:00.000Z	56 \| moderate	12.329 \| fine	55.512 \| fine	45.327 \| good	1.687 \| good	15.038 \| good	0.24 \| good

North Chicago

Get reliable air quality data to drive your business

North Chicago, Illinois air quality map: Stay updated on AQI near you

0.28ppm

How accurate is Illinois, USA air quality data?

Air quality and pollutant data for Illinois, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

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

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Frequently asked questions

How often is air quality information updated for North Chicago, Illinois?

The air quality information for North Chicago, Illinois is updated every hour for accuracy.

What time in the last 24 hours was the air quality in North Chicago, Illinois at its worst?

In the past 24 hours, the air quality in North Chicago, Illinois was at its worst at 11:00:00 on 2026-10-22.

When did North Chicago, Illinois experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in North Chicago, Illinois was observed at 03:00:00 on 2026-10-22.

What is the AQI in North Chicago, Illinois right now?

As of now, the AQI in North Chicago, Illinois is 69, indicating Moderate conditions.

What is the most common type of pollution in North Chicago, Illinois?

North Chicago, Illinois air has the highest levels of PM2.5.

What should I do in case of poor air quality in North Chicago, Illinois?

Poor air quality in North Chicago, Illinois means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in North Chicago, Illinois at the moment?

PM_2.5 levels in North Chicago, Illinois are currently 18.954 μg/m³.

What is the PM₁₀ level in North Chicago, Illinois at the moment?

The PM₁₀ concentration in North Chicago, Illinois is 54.464 μg/m³ at the moment.

What is the carbon monoxide (CO) level in North Chicago, Illinois at the moment?

The current carbon monoxide (CO) concentration in North Chicago, Illinois is 0.279 ppm.

What is the sulfur dioxide (SO₂) level in North Chicago, Illinois at the moment?

Currently, North Chicago, Illinois has a sulfur dioxide (SO₂) concentration of 0.991 ppb.

What is the ozone (O₃) level in North Chicago, Illinois at the moment?

The current ozone (O₃) level in North Chicago, Illinois at the moment is 49.873 ppm.

What is the nitrogen dioxide (NO₂) level in North Chicago, Illinois at the moment?

Nitrogen dioxide (NO₂) level in North Chicago, Illinois at the moment is 12.973 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T23:00:00.000Z	42 \| good	6.213 \| good	21.608 \| good	44.857 \| good	2.212 \| good	5.964 \| good	0.244 \| good
2026-10-21T00:00:00.000Z	40 \| good	6.332 \| good	24.625 \| good	42.939 \| good	0.699 \| good	6.201 \| good	0.277 \| good
2026-10-21T01:00:00.000Z	41 \| good	6.153 \| good	22.545 \| good	43.864 \| good	0.559 \| good	12.951 \| good	0.289 \| good
2026-10-21T02:00:00.000Z	44 \| good	7.999 \| good	16.643 \| good	37.584 \| good	0.529 \| good	22.411 \| good	0.301 \| good
2026-10-21T03:00:00.000Z	52 \| moderate	10.004 \| good	44.728 \| good	16.972 \| good	2.363 \| good	28.858 \| good	0.263 \| good
2026-10-21T04:00:00.000Z	52 \| moderate	10.162 \| good	27.942 \| good	23.603 \| good	0.613 \| good	22.447 \| good	0.343 \| good
2026-10-21T05:00:00.000Z	58 \| moderate	13.138 \| fine	35.46 \| good	26.109 \| good	1.439 \| good	22.397 \| good	0.31 \| good
2026-10-21T06:00:00.000Z	60 \| moderate	14.093 \| fine	29.482 \| good	7.884 \| good	1.71 \| good	22.863 \| good	0.299 \| good
2026-10-21T07:00:00.000Z	62 \| moderate	15.407 \| fine	60.728 \| fine	5.183 \| good	1.466 \| good	19.002 \| good	0.312 \| good
2026-10-21T08:00:00.000Z	58 \| moderate	13.472 \| fine	32.357 \| good	3.182 \| good	0.845 \| good	19.073 \| good	0.268 \| good
2026-10-21T09:00:00.000Z	54 \| moderate	11.413 \| good	39.077 \| good	12.409 \| good	0.813 \| good	19.573 \| good	0.256 \| good
2026-10-21T10:00:00.000Z	56 \| moderate	12.007 \| good	24.142 \| good	7.61 \| good	0.878 \| good	20.933 \| good	0.312 \| good
2026-10-21T11:00:00.000Z	58 \| moderate	13.275 \| fine	41.084 \| good	6.99 \| good	0.951 \| good	23.51 \| good	0.399 \| good
2026-10-21T12:00:00.000Z	66 \| moderate	16.554 \| fine	73.186 \| fine	5.447 \| good	0.929 \| good	22.211 \| good	0.41 \| good
2026-10-21T13:00:00.000Z	64 \| moderate	16.196 \| fine	58.043 \| fine	2.459 \| good	0.964 \| good	17.495 \| good	0.41 \| good
2026-10-21T14:00:00.000Z	52 \| moderate	10.46 \| good	42.172 \| good	6.934 \| good	1.157 \| good	24.637 \| good	0.479 \| good
2026-10-21T15:00:00.000Z	79 \| moderate	24.401 \| fine	107.302 \| fine	16.935 \| good	1.509 \| good	23.254 \| good	0.443 \| good
2026-10-21T16:00:00.000Z	77 \| moderate	23.038 \| fine	82.357 \| fine	15.302 \| good	1.797 \| good	21.46 \| good	0.343 \| good
2026-10-21T17:00:00.000Z	67 \| moderate	18.354 \| fine	70.824 \| fine	18.689 \| good	1.745 \| good	20.105 \| good	0.286 \| good
2026-10-21T18:00:00.000Z	58 \| moderate	12.732 \| fine	52.626 \| good	22.545 \| good	1.668 \| good	17.97 \| good	0.275 \| good
2026-10-21T19:00:00.000Z	58 \| moderate	13.19 \| fine	58.484 \| fine	31.005 \| good	1.196 \| good	18.582 \| good	0.275 \| good
2026-10-21T20:00:00.000Z	44 \| good	8.499 \| good	38.776 \| good	35.475 \| good	1.207 \| good	16.032 \| good	0.275 \| good
2026-10-21T21:00:00.000Z	49 \| good	9 \| good	33.864 \| good	36.435 \| good	1.401 \| good	17.717 \| good	0.275 \| good
2026-10-21T22:00:00.000Z	42 \| good	6.885 \| good	23.789 \| good	44.902 \| good	1.247 \| good	17.175 \| good	0.275 \| good
2026-10-21T23:00:00.000Z	54 \| moderate	11.16 \| good	29.506 \| good	40.507 \| good	1.425 \| good	11.316 \| good	0.287 \| good
2026-10-22T00:00:00.000Z	54 \| moderate	11.2 \| good	40.402 \| good	32.737 \| good	1.197 \| good	15.986 \| good	0.354 \| good
2026-10-22T01:00:00.000Z	64 \| moderate	15.684 \| fine	52.741 \| good	38.815 \| good	0.877 \| good	18.437 \| good	0.387 \| good
2026-10-22T02:00:00.000Z	64 \| moderate	16.114 \| fine	65.539 \| fine	40.446 \| good	0.709 \| good	28.551 \| good	0.42 \| good
2026-10-22T03:00:00.000Z	39 \| good	6.873 \| good	30.248 \| good	18.683 \| good	1.967 \| good	41.154 \| good	0.421 \| good
2026-10-22T04:00:00.000Z	62 \| moderate	14.88 \| fine	59.722 \| fine	21.798 \| good	1.083 \| good	31.991 \| good	0.476 \| good
2026-10-22T05:00:00.000Z	64 \| moderate	16.057 \| fine	77.777 \| fine	14.872 \| good	0.857 \| good	28.956 \| good	0.43 \| good
2026-10-22T06:00:00.000Z	64 \| moderate	15.673 \| fine	66.535 \| fine	14.452 \| good	0.775 \| good	23.465 \| good	0.397 \| good
2026-10-22T07:00:00.000Z	64 \| moderate	15.683 \| fine	68.196 \| fine	12.061 \| good	0.774 \| good	23.818 \| good	0.397 \| good
2026-10-22T08:00:00.000Z	66 \| moderate	16.559 \| fine	72.858 \| fine	12.179 \| good	0.447 \| good	19.127 \| good	0.353 \| good
2026-10-22T09:00:00.000Z	66 \| moderate	16.724 \| fine	68.074 \| fine	13.692 \| good	0.398 \| good	18.467 \| good	0.341 \| good
2026-10-22T10:00:00.000Z	69 \| moderate	19.467 \| fine	64.154 \| fine	12.701 \| good	0.396 \| good	15.81 \| good	0.331 \| good
2026-10-22T11:00:00.000Z	71 \| moderate	19.672 \| fine	57.066 \| fine	13.028 \| good	0.689 \| good	14.713 \| good	0.446 \| good
2026-10-22T12:00:00.000Z	64 \| moderate	15.553 \| fine	51.721 \| good	9.182 \| good	0.349 \| good	13.528 \| good	0.527 \| good
2026-10-22T13:00:00.000Z	64 \| moderate	15.928 \| fine	80.16 \| fine	2.775 \| good	0.362 \| good	17.004 \| good	0.467 \| good
2026-10-22T14:00:00.000Z	67 \| moderate	17.636 \| fine	36.081 \| good	7.264 \| good	0.987 \| good	20.518 \| good	0.521 \| good
2026-10-22T15:00:00.000Z	62 \| moderate	15.376 \| fine	43.678 \| good	21.333 \| good	1.053 \| good	16.526 \| good	0.497 \| good
2026-10-22T16:00:00.000Z	58 \| moderate	13.043 \| fine	49.515 \| good	13.664 \| good	0.8 \| good	14.779 \| good	0.325 \| good
2026-10-22T17:00:00.000Z	62 \| moderate	14.902 \| fine	41.536 \| good	22.064 \| good	0.885 \| good	10.905 \| good	0.31 \| good
2026-10-22T18:00:00.000Z	64 \| moderate	15.704 \| fine	61.74 \| fine	28.597 \| good	0.963 \| good	6.496 \| good	0.256 \| good
2026-10-22T19:00:00.000Z	66 \| moderate	16.68 \| fine	68.683 \| fine	33.738 \| good	1.733 \| good	6.668 \| good	0.231 \| good
2026-10-22T20:00:00.000Z	60 \| moderate	14.476 \| fine	61.344 \| fine	30.859 \| good	1.395 \| good	5.88 \| good	0.231 \| good
2026-10-22T21:00:00.000Z	64 \| moderate	15.704 \| fine	40.132 \| good	34.136 \| good	1.357 \| good	6.919 \| good	0.275 \| good
2026-10-22T22:00:00.000Z	60 \| moderate	13.824 \| fine	56.534 \| fine	42.881 \| good	1.011 \| good	12.457 \| good	0.275 \| good
2026-10-22T22:00:00.000Z	69 \| moderate	18.954 \| fine	54.464 \| good	49.873 \| good	0.991 \| good	12.973 \| good	0.279 \| good
2026-10-22T23:00:00.000Z	67 \| moderate	17.66 \| fine	78.762 \| fine	39.35 \| good	0.976 \| good	28.037 \| good	0.349 \| good
2026-10-23T00:00:00.000Z	62 \| moderate	14.918 \| fine	66.547 \| fine	30.896 \| good	1.112 \| good	35.112 \| good	0.391 \| good
2026-10-23T01:00:00.000Z	58 \| moderate	12.948 \| fine	58.302 \| fine	31.806 \| good	1.25 \| good	38.612 \| good	0.398 \| good
2026-10-23T02:00:00.000Z	54 \| moderate	11.499 \| good	51.195 \| good	28.38 \| good	1.399 \| good	41.593 \| good	0.399 \| good
2026-10-23T03:00:00.000Z	54 \| moderate	10.961 \| good	48.514 \| good	24.629 \| good	1.56 \| good	43.051 \| good	0.399 \| good
2026-10-23T04:00:00.000Z	52 \| moderate	10.17 \| good	45.217 \| good	21.861 \| good	1.702 \| good	43.933 \| good	0.406 \| good
2026-10-23T05:00:00.000Z	49 \| good	9.224 \| good	41.264 \| good	19.384 \| good	1.761 \| good	43.943 \| good	0.41 \| good
2026-10-23T06:00:00.000Z	52 \| moderate	9.513 \| good	42.658 \| good	17.211 \| good	1.784 \| good	43.694 \| good	0.403 \| good
2026-10-23T07:00:00.000Z	52 \| moderate	10.079 \| good	44.683 \| good	16.123 \| good	1.866 \| good	43.444 \| good	0.395 \| good
2026-10-23T08:00:00.000Z	54 \| moderate	11.042 \| good	48.906 \| good	16.432 \| good	1.993 \| good	43.252 \| good	0.388 \| good
2026-10-23T09:00:00.000Z	58 \| moderate	13.001 \| fine	58.27 \| fine	15.476 \| good	2.17 \| good	43.143 \| good	0.382 \| good
2026-10-23T10:00:00.000Z	66 \| moderate	17.333 \| fine	76.529 \| fine	13.196 \| good	2.436 \| good	42.852 \| good	0.377 \| good
2026-10-23T11:00:00.000Z	75 \| moderate	22.064 \| fine	96.895 \| fine	4.612 \| good	2.686 \| good	42.645 \| good	0.377 \| good
2026-10-23T12:00:00.000Z	82 \| moderate	26.137 \| fine	113.659 \| fine	1.235 \| good	2.983 \| good	42.083 \| good	0.387 \| good
2026-10-23T13:00:00.000Z	88 \| moderate	28.961 \| fine	125.484 \| fine	1.382 \| good	3.204 \| good	37.087 \| good	0.412 \| good
2026-10-23T14:00:00.000Z	81 \| moderate	24.954 \| fine	108.769 \| fine	10.902 \| good	3.242 \| good	30.891 \| good	0.407 \| good
2026-10-23T15:00:00.000Z	71 \| moderate	20.144 \| fine	88.231 \| fine	23.906 \| good	3.173 \| good	27.321 \| good	0.391 \| good
2026-10-23T16:00:00.000Z	69 \| moderate	18.782 \| fine	83.055 \| fine	33.51 \| good	3.021 \| good	23.712 \| good	0.347 \| good
2026-10-23T17:00:00.000Z	66 \| moderate	17.427 \| fine	77.68 \| fine	40.002 \| good	2.666 \| good	20.093 \| good	0.307 \| good
2026-10-23T18:00:00.000Z	64 \| moderate	16.456 \| fine	73.185 \| fine	45.495 \| good	2.532 \| good	16.683 \| good	0.279 \| good
2026-10-23T19:00:00.000Z	64 \| moderate	16.063 \| fine	71.839 \| fine	49.1 \| good	2.323 \| good	14.751 \| good	0.267 \| good
2026-10-23T20:00:00.000Z	64 \| moderate	15.689 \| fine	69.889 \| fine	48.567 \| good	2.118 \| good	13.808 \| good	0.257 \| good
2026-10-23T21:00:00.000Z	64 \| moderate	15.988 \| fine	71.109 \| fine	45.641 \| good	2.047 \| good	13.689 \| good	0.249 \| good
2026-10-23T22:00:00.000Z	62 \| moderate	15.328 \| fine	68.275 \| fine	42.765 \| good	1.98 \| good	17.154 \| good	0.26 \| good
2026-10-23T23:00:00.000Z	60 \| moderate	14.185 \| fine	63.79 \| fine	39.006 \| good	2.041 \| good	22.433 \| good	0.278 \| good
2026-10-24T00:00:00.000Z	58 \| moderate	12.938 \| fine	57.715 \| fine	30.202 \| good	2.096 \| good	25.293 \| good	0.286 \| good
2026-10-24T01:00:00.000Z	58 \| moderate	12.901 \| fine	57.43 \| fine	19.343 \| good	2.091 \| good	26.009 \| good	0.276 \| good
2026-10-24T02:00:00.000Z	62 \| moderate	15.311 \| fine	68.172 \| fine	10.187 \| good	2.022 \| good	26.215 \| good	0.266 \| good
2026-10-24T03:00:00.000Z	66 \| moderate	16.863 \| fine	75.077 \| fine	7.967 \| good	1.919 \| good	25.991 \| good	0.257 \| good
2026-10-24T04:00:00.000Z	66 \| moderate	16.791 \| fine	74.315 \| fine	9.748 \| good	1.816 \| good	24.754 \| good	0.251 \| good
2026-10-24T05:00:00.000Z	64 \| moderate	16.297 \| fine	72.32 \| fine	13.15 \| good	1.738 \| good	21.604 \| good	0.245 \| good
2026-10-24T06:00:00.000Z	64 \| moderate	15.737 \| fine	70.179 \| fine	15.584 \| good	1.693 \| good	18.838 \| good	0.241 \| good
2026-10-24T07:00:00.000Z	62 \| moderate	14.916 \| fine	66.41 \| fine	14.238 \| good	1.702 \| good	16.104 \| good	0.237 \| good
2026-10-24T08:00:00.000Z	58 \| moderate	13.343 \| fine	60.081 \| fine	15.583 \| good	1.677 \| good	13.986 \| good	0.233 \| good
2026-10-24T09:00:00.000Z	58 \| moderate	12.7 \| fine	57.038 \| fine	14.397 \| good	1.618 \| good	12.421 \| good	0.231 \| good
2026-10-24T10:00:00.000Z	56 \| moderate	11.691 \| good	51.884 \| good	14.665 \| good	1.569 \| good	11.581 \| good	0.23 \| good
2026-10-24T11:00:00.000Z	56 \| moderate	12.04 \| good	53.755 \| good	14.915 \| good	1.554 \| good	11.664 \| good	0.231 \| good
2026-10-24T12:00:00.000Z	56 \| moderate	12.424 \| fine	56.043 \| fine	14.196 \| good	1.599 \| good	13.718 \| good	0.237 \| good
2026-10-24T13:00:00.000Z	58 \| moderate	13.328 \| fine	59.899 \| fine	15.516 \| good	1.656 \| good	15.361 \| good	0.247 \| good
2026-10-24T14:00:00.000Z	62 \| moderate	14.996 \| fine	67.463 \| fine	25.471 \| good	1.691 \| good	15.142 \| good	0.257 \| good
2026-10-24T15:00:00.000Z	60 \| moderate	13.862 \| fine	62.713 \| fine	35.403 \| good	1.738 \| good	14.475 \| good	0.257 \| good
2026-10-24T16:00:00.000Z	58 \| moderate	12.708 \| fine	57.157 \| fine	42.125 \| good	1.728 \| good	14.136 \| good	0.256 \| good
2026-10-24T17:00:00.000Z	56 \| moderate	11.584 \| good	51.219 \| good	45.698 \| good	1.674 \| good	13.808 \| good	0.254 \| good
2026-10-24T18:00:00.000Z	54 \| moderate	11.192 \| good	49.728 \| good	48.502 \| good	1.666 \| good	12.83 \| good	0.247 \| good
2026-10-24T19:00:00.000Z	56 \| moderate	11.607 \| good	51.374 \| good	51.167 \| good	1.629 \| good	11.798 \| good	0.238 \| good
2026-10-24T20:00:00.000Z	56 \| moderate	12.263 \| fine	55.323 \| fine	51.689 \| good	1.656 \| good	11.675 \| good	0.232 \| good
2026-10-24T21:00:00.000Z	58 \| moderate	12.949 \| fine	58.137 \| fine	49.523 \| good	1.683 \| good	12.644 \| good	0.232 \| good
2026-10-24T22:00:00.000Z	56 \| moderate	12.329 \| fine	55.512 \| fine	45.327 \| good	1.687 \| good	15.038 \| good	0.24 \| good

Live air quality index in North Chicago, Illinois today

Major air pollutants in North Chicago, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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North Chicago, Illinois air quality map: Stay updated on AQI near you

Air quality in nearby cities

Waukegan, Illinois

Gurnee, Illinois

Lake Forest, Illinois

Libertyville, Illinois

Beach Park, Illinois

Gages Lake, Illinois

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Frequently asked questions

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What is the PM2.5 level in North Chicago, Illinois at the moment?

What is the PM10 level in North Chicago, Illinois at the moment?

What is the carbon monoxide (CO) level in North Chicago, Illinois at the moment?

What is the sulfur dioxide (SO2) level in North Chicago, Illinois at the moment?

What is the ozone (O3) level in North Chicago, Illinois at the moment?

What is the nitrogen dioxide (NO2) level in North Chicago, Illinois at the moment?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 level in North Chicago, Illinois at the moment?

What is the PM₁₀ level in North Chicago, Illinois at the moment?

What is the sulfur dioxide (SO₂) level in North Chicago, Illinois at the moment?

What is the ozone (O₃) level in North Chicago, Illinois at the moment?

What is the nitrogen dioxide (NO₂) level in North Chicago, Illinois at the moment?