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 0.461 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 49.083 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 20.15 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 16.818 μg/m3.

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

The PM10 concentration in North Chicago, Illinois is 44.742 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)

16.82 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

44.74 μg/m³

155

255

425

605+

Ozone (O₃)

49.08 ppb

201

201+

Sulfur Dioxide (SO₂)

0.46 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

20.15 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.29 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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
2026-10-21T00:00:00.000Z	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	66 \| moderate	16.818 \| fine	44.742 \| good	49.083 \| good	0.461 \| good	20.15 \| good	0.291 \| 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
2026-10-24T23:00:00.000Z	56 \| moderate	11.956 \| good	53.176 \| good	44.193 \| good	1.721 \| good	18.535 \| good	0.25 \| 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

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 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 03:00:00 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 66, 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 16.818 μg/m³.

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

The PM₁₀ concentration in North Chicago, Illinois is 44.742 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 0.291 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 0.461 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 49.083 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 20.15 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

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	66 \| moderate	16.818 \| fine	44.742 \| good	49.083 \| good	0.461 \| good	20.15 \| good	0.291 \| 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
2026-10-24T23:00:00.000Z	56 \| moderate	11.956 \| good	53.176 \| good	44.193 \| good	1.721 \| good	18.535 \| good	0.25 \| 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)

Track live North Chicago, Illinois air quality forecast and history

Get reliable air quality data to drive your business

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

How accurate is Illinois, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

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

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

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

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?