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

Currently, Chicago Heights, Illinois has a sulfur dioxide (SO2) concentration of 0.321 ppb.

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

The current ozone (O3) level in Chicago Heights, Illinois at the moment is 19.553 ppm.

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

Nitrogen dioxide (NO2) level in Chicago Heights, Illinois at the moment is 2.663 ppb.

Live air quality index in Chicago Heights, Illinois today

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

PM2.5 levels in Chicago Heights, Illinois are currently 8.506 μg/m3.

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

The PM10 concentration in Chicago Heights, Illinois is 34.354 μg/m3 at the moment.

Stay updated with real-time air quality in Chicago Heights, Illinois featuring accurate data on AQI, PM_2.5, PM₁₀, O₃, NO₂, SO₂, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.

Live AQI (Air Quality Index)

Good

Chicago Heights, Illinois

Last updated: ... (Local time)

Major air pollutants in Chicago Heights, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

8.51 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

34.35 μg/m³

155

255

425

605+

Ozone (O₃)

19.55 ppb

201

201+

Sulfur Dioxide (SO₂)

0.32 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.66 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.18 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Chicago Heights, Illinois

Get Live Pollen Counts

Chicago Heights, Illinois

Scroll To Air Quality Map

Track live Chicago Heights, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-09T12:00:00.000Z	54 \| moderate	11.2 \| good	49.55 \| good	25.645 \| good	0.884 \| good	12.74 \| good	0.309 \| good
2026-07-09T13:00:00.000Z	54 \| moderate	11.154 \| good	49.748 \| good	30.163 \| good	0.983 \| good	11.747 \| good	0.292 \| good
2026-07-09T14:00:00.000Z	54 \| moderate	11.149 \| good	51.011 \| good	28.511 \| good	1.035 \| good	6.227 \| good	0.247 \| good
2026-07-09T15:00:00.000Z	54 \| moderate	11.082 \| good	49.345 \| good	29.913 \| good	1.006 \| good	4.803 \| good	0.237 \| good
2026-07-09T16:00:00.000Z	54 \| moderate	11.439 \| good	51.035 \| good	35.409 \| good	1.025 \| good	4.439 \| good	0.237 \| good
2026-07-09T17:00:00.000Z	54 \| moderate	11.155 \| good	50.42 \| good	37.371 \| good	1.065 \| good	4.448 \| good	0.205 \| good
2026-07-09T18:00:00.000Z	54 \| moderate	11.419 \| good	50.738 \| good	38.575 \| good	1.004 \| good	5.011 \| good	0.188 \| good
2026-07-09T19:00:00.000Z	54 \| moderate	11.288 \| good	50.025 \| good	41.204 \| good	0.978 \| good	4.87 \| good	0.204 \| good
2026-07-09T20:00:00.000Z	54 \| moderate	11.156 \| good	49.887 \| good	46.558 \| good	1.12 \| good	2.648 \| good	0.232 \| good
2026-07-09T21:00:00.000Z	54 \| moderate	11.238 \| good	50.106 \| good	50.218 \| good	1.235 \| good	4.823 \| good	0.204 \| good
2026-07-09T22:00:00.000Z	52 \| moderate	10.218 \| good	45.18 \| good	51.056 \| good	1.198 \| good	2.588 \| good	0.248 \| good
2026-07-09T23:00:00.000Z	52 \| moderate	9.918 \| good	44.315 \| good	49.32 \| good	1.156 \| good	4.085 \| good	0.221 \| good
2026-07-10T00:00:00.000Z	49 \| good	9.354 \| good	39.977 \| good	48.77 \| good	1.166 \| good	4.086 \| good	0.177 \| good
2026-07-10T01:00:00.000Z	49 \| good	8.972 \| good	39.538 \| good	45.353 \| good	1.153 \| good	3.721 \| good	0.177 \| good
2026-07-10T02:00:00.000Z	49 \| good	9.061 \| good	40.366 \| good	43.526 \| good	1.013 \| good	7.418 \| good	0.221 \| good
2026-07-10T03:00:00.000Z	49 \| good	9.049 \| good	39.111 \| good	39.607 \| good	1.081 \| good	7.391 \| good	0.177 \| good
2026-07-10T04:00:00.000Z	44 \| good	8.482 \| good	37.796 \| good	36.493 \| good	1.057 \| good	7.943 \| good	0.21 \| good
2026-07-10T05:00:00.000Z	38 \| good	7.303 \| good	32.286 \| good	39.258 \| good	0.803 \| good	6.663 \| good	0.21 \| good
2026-07-10T06:00:00.000Z	44 \| good	7.606 \| good	33.475 \| good	45.894 \| good	0.991 \| good	3.973 \| good	0.16 \| good
2026-07-10T07:00:00.000Z	44 \| good	7.703 \| good	34.066 \| good	47.34 \| good	0.854 \| good	3.984 \| good	0.198 \| good
2026-07-10T08:00:00.000Z	44 \| good	8.322 \| good	31.708 \| good	35.733 \| good	0.539 \| good	5.99 \| good	0.184 \| good
2026-07-10T09:00:00.000Z	44 \| good	8.261 \| good	31.522 \| good	41.235 \| good	0.449 \| good	5.604 \| good	0.202 \| good
2026-07-10T10:00:00.000Z	38 \| good	7.322 \| good	30.141 \| good	41.268 \| good	0.367 \| good	5.683 \| good	0.184 \| good
2026-07-10T11:00:00.000Z	38 \| good	6.53 \| good	29.223 \| good	32.4 \| good	0.389 \| good	6.212 \| good	0.184 \| good
2026-07-10T12:00:00.000Z	35 \| good	5.283 \| good	22.629 \| good	37.813 \| good	0.346 \| good	6.992 \| good	0.232 \| good
2026-07-10T13:00:00.000Z	32 \| good	5.061 \| good	21.186 \| good	35.334 \| good	0.35 \| good	8.121 \| good	0.248 \| good
2026-07-10T14:00:00.000Z	32 \| good	4.543 \| good	19.764 \| good	35.445 \| good	0.351 \| good	6.132 \| good	0.204 \| good
2026-07-10T15:00:00.000Z	31 \| good	4.849 \| good	20.742 \| good	34.363 \| good	0.452 \| good	3.973 \| good	0.204 \| good
2026-07-10T16:00:00.000Z	31 \| good	5.127 \| good	22.246 \| good	32.668 \| good	0.825 \| good	4.403 \| good	0.177 \| good
2026-07-10T17:00:00.000Z	34 \| good	5.497 \| good	24.009 \| good	36.565 \| good	0.595 \| good	3.36 \| good	0.177 \| good
2026-07-10T18:00:00.000Z	36 \| good	5.685 \| good	24.744 \| good	38.559 \| good	0.829 \| good	2.577 \| good	0.177 \| good
2026-07-10T19:00:00.000Z	36 \| good	5.869 \| good	25.019 \| good	38.921 \| good	0.513 \| good	2.165 \| good	0.204 \| good
2026-07-10T20:00:00.000Z	39 \| good	5.672 \| good	25.495 \| good	41.998 \| good	0.608 \| good	1.414 \| good	0.193 \| good
2026-07-10T21:00:00.000Z	34 \| good	5.611 \| good	24.993 \| good	37.491 \| good	0.565 \| good	2.761 \| good	0.232 \| good
2026-07-10T22:00:00.000Z	35 \| good	5.943 \| good	26.27 \| good	38.195 \| good	0.632 \| good	2.834 \| good	0.232 \| good
2026-07-10T23:00:00.000Z	35 \| good	5.938 \| good	26.653 \| good	38.067 \| good	0.54 \| good	2.91 \| good	0.248 \| good
2026-07-11T00:00:00.000Z	36 \| good	6.019 \| good	25.771 \| good	39.16 \| good	0.572 \| good	3.022 \| good	0.204 \| good
2026-07-11T01:00:00.000Z	38 \| good	6.639 \| good	29.572 \| good	35.082 \| good	0.416 \| good	2.417 \| good	0.177 \| good
2026-07-11T02:00:00.000Z	38 \| good	7.482 \| good	33.242 \| good	32.873 \| good	0.537 \| good	3.006 \| good	0.204 \| good
2026-07-11T03:00:00.000Z	49 \| good	9.151 \| good	40.762 \| good	27.487 \| good	0.691 \| good	5.774 \| good	0.14 \| good
2026-07-11T04:00:00.000Z	49 \| good	8.833 \| good	39.219 \| good	27.881 \| good	0.729 \| good	5.994 \| good	0.228 \| good
2026-07-11T05:00:00.000Z	49 \| good	8.903 \| good	37.876 \| good	27.672 \| good	0.875 \| good	8.504 \| good	0.277 \| good
2026-07-11T06:00:00.000Z	49 \| good	8.967 \| good	40.621 \| good	25.863 \| good	0.739 \| good	6.197 \| good	0.277 \| good
2026-07-11T07:00:00.000Z	44 \| good	8.488 \| good	36.826 \| good	23.98 \| good	0.484 \| good	5.659 \| good	0.24 \| good
2026-07-11T08:00:00.000Z	49 \| good	8.516 \| good	34.643 \| good	21.339 \| good	0.327 \| good	2.575 \| good	0.21 \| good
2026-07-11T09:00:00.000Z	44 \| good	8.42 \| good	33.648 \| good	19.889 \| good	0.295 \| good	2.444 \| good	0.228 \| good
2026-07-11T10:00:00.000Z	49 \| good	8.506 \| good	34.354 \| good	19.553 \| good	0.321 \| good	2.663 \| good	0.18 \| good
2026-07-11T11:00:00.000Z	49 \| good	8.506 \| good	34.354 \| good	19.553 \| good	0.321 \| good	2.663 \| good	0.18 \| good
2026-07-11T12:00:00.000Z	38 \| good	7.429 \| good	32.823 \| good	20.196 \| good	0.598 \| good	5.783 \| good	0.151 \| good
2026-07-11T13:00:00.000Z	44 \| good	7.561 \| good	33.127 \| good	29.36 \| good	0.764 \| good	4.759 \| good	0.155 \| good
2026-07-11T14:00:00.000Z	44 \| good	8.13 \| good	35.826 \| good	38.728 \| good	1 \| good	4.06 \| good	0.162 \| good
2026-07-11T15:00:00.000Z	40 \| good	6.961 \| good	30.888 \| good	42.824 \| good	1.127 \| good	2.986 \| good	0.163 \| good
2026-07-11T16:00:00.000Z	42 \| good	6.028 \| good	26.747 \| good	45.014 \| good	1.05 \| good	1.834 \| good	0.156 \| good
2026-07-11T17:00:00.000Z	46 \| good	6.24 \| good	27.858 \| good	50.367 \| good	0.898 \| good	1.271 \| good	0.149 \| good
2026-07-11T18:00:00.000Z	50 \| good	7.617 \| good	33.765 \| good	54.052 \| good	0.791 \| good	1.028 \| good	0.143 \| good
2026-07-11T19:00:00.000Z	49 \| good	8.604 \| good	37.778 \| good	53.211 \| good	0.74 \| good	0.939 \| good	0.14 \| good
2026-07-11T20:00:00.000Z	47 \| good	8.025 \| good	34.954 \| good	51.274 \| good	0.716 \| good	0.962 \| good	0.139 \| good
2026-07-11T21:00:00.000Z	45 \| good	7.824 \| good	34.052 \| good	48.85 \| good	0.688 \| good	1.048 \| good	0.138 \| good
2026-07-11T22:00:00.000Z	49 \| good	8.506 \| good	37.15 \| good	49.967 \| good	0.662 \| good	1.241 \| good	0.139 \| good
2026-07-11T23:00:00.000Z	49 \| good	8.754 \| good	38.071 \| good	51.108 \| good	0.664 \| good	1.696 \| good	0.142 \| good
2026-07-12T00:00:00.000Z	46 \| good	8.33 \| good	36.678 \| good	49.794 \| good	0.668 \| good	2.632 \| good	0.146 \| good
2026-07-12T01:00:00.000Z	49 \| good	8.951 \| good	39.095 \| good	42.38 \| good	0.661 \| good	3.749 \| good	0.147 \| good
2026-07-12T02:00:00.000Z	52 \| moderate	9.652 \| good	42.834 \| good	35.582 \| good	0.684 \| good	5.072 \| good	0.148 \| good
2026-07-12T03:00:00.000Z	38 \| good	7.463 \| good	32.79 \| good	30.614 \| good	0.659 \| good	5.783 \| good	0.148 \| good
2026-07-12T04:00:00.000Z	44 \| good	7.691 \| good	33.824 \| good	25.473 \| good	0.62 \| good	6.25 \| good	0.148 \| good
2026-07-12T05:00:00.000Z	44 \| good	8.165 \| good	35.83 \| good	21.068 \| good	0.581 \| good	6.496 \| good	0.148 \| good
2026-07-12T06:00:00.000Z	49 \| good	8.639 \| good	37.862 \| good	15.386 \| good	0.546 \| good	6.127 \| good	0.149 \| good
2026-07-12T07:00:00.000Z	49 \| good	8.933 \| good	39.023 \| good	12.074 \| good	0.535 \| good	6.324 \| good	0.151 \| good
2026-07-12T08:00:00.000Z	49 \| good	8.664 \| good	38.005 \| good	10.1 \| good	0.571 \| good	6.771 \| good	0.155 \| good
2026-07-12T09:00:00.000Z	49 \| good	8.549 \| good	37.195 \| good	10.792 \| good	0.649 \| good	7.58 \| good	0.163 \| good
2026-07-12T10:00:00.000Z	38 \| good	7.445 \| good	33.037 \| good	10.811 \| good	0.806 \| good	8.646 \| good	0.172 \| good
2026-07-12T11:00:00.000Z	38 \| good	7.099 \| good	31.235 \| good	13.8 \| good	1.009 \| good	9.653 \| good	0.182 \| good
2026-07-12T12:00:00.000Z	33 \| good	6.126 \| good	26.846 \| good	17.133 \| good	1.174 \| good	8.573 \| good	0.19 \| good
2026-07-12T13:00:00.000Z	33 \| good	6.34 \| good	27.988 \| good	25.963 \| good	1.641 \| good	6.734 \| good	0.189 \| good
2026-07-12T14:00:00.000Z	38 \| good	7.412 \| good	32.871 \| good	36.519 \| good	2.063 \| good	4.992 \| good	0.181 \| good
2026-07-12T15:00:00.000Z	44 \| good	8.427 \| good	36.956 \| good	42.904 \| good	2.072 \| good	3.212 \| good	0.17 \| good
2026-07-12T16:00:00.000Z	44 \| good	8.231 \| good	36.025 \| good	43.597 \| good	2.006 \| good	2.004 \| good	0.162 \| good
2026-07-12T17:00:00.000Z	41 \| good	7.31 \| good	32.009 \| good	43.95 \| good	1.691 \| good	1.33 \| good	0.155 \| good
2026-07-12T18:00:00.000Z	39 \| good	6.977 \| good	30.938 \| good	41.87 \| good	1.455 \| good	1.05 \| good	0.15 \| good
2026-07-12T19:00:00.000Z	37 \| good	5.94 \| good	26.555 \| good	40.311 \| good	1.297 \| good	0.949 \| good	0.147 \| good
2026-07-12T20:00:00.000Z	37 \| good	5.417 \| good	22.977 \| good	39.796 \| good	1.182 \| good	0.953 \| good	0.144 \| good
2026-07-12T21:00:00.000Z	35 \| good	5.38 \| good	23.043 \| good	37.679 \| good	1.107 \| good	1.014 \| good	0.142 \| good
2026-07-12T22:00:00.000Z	36 \| good	5.978 \| good	26.593 \| good	39.099 \| good	1.029 \| good	1.141 \| good	0.14 \| good
2026-07-12T23:00:00.000Z	38 \| good	6.329 \| good	27.761 \| good	40.727 \| good	0.991 \| good	1.496 \| good	0.139 \| good
2026-07-13T00:00:00.000Z	38 \| good	7.066 \| good	31.694 \| good	38.711 \| good	0.969 \| good	2.308 \| good	0.142 \| good
2026-07-13T01:00:00.000Z	44 \| good	7.969 \| good	34.905 \| good	36.038 \| good	1 \| good	4.473 \| good	0.152 \| good
2026-07-13T02:00:00.000Z	52 \| moderate	9.902 \| good	43.905 \| good	31.098 \| good	1.052 \| good	8.485 \| good	0.168 \| good
2026-07-13T03:00:00.000Z	54 \| moderate	11.449 \| good	50.872 \| good	26.596 \| good	1.123 \| good	11.13 \| good	0.178 \| good
2026-07-13T04:00:00.000Z	56 \| moderate	12.066 \| good	54.65 \| good	22.773 \| good	1.219 \| good	14.341 \| good	0.191 \| good
2026-07-13T05:00:00.000Z	58 \| moderate	12.584 \| fine	56.688 \| fine	17.084 \| good	1.333 \| good	17.215 \| good	0.207 \| good
2026-07-13T06:00:00.000Z	62 \| moderate	15.286 \| fine	15.64 \| good	24.81 \| good	1.405 \| good	18.172 \| good	0.219 \| good
2026-07-13T07:00:00.000Z	56 \| moderate	11.971 \| good	53.667 \| good	13.571 \| good	1.499 \| good	19.71 \| good	0.229 \| good
2026-07-13T08:00:00.000Z	56 \| moderate	11.577 \| good	51.02 \| good	11.18 \| good	1.578 \| good	22.346 \| good	0.241 \| good
2026-07-13T09:00:00.000Z	54 \| moderate	10.75 \| good	47.883 \| good	9.776 \| good	1.646 \| good	25.921 \| good	0.255 \| good
2026-07-13T10:00:00.000Z	49 \| good	9.449 \| good	41.997 \| good	9.466 \| good	1.663 \| good	28.894 \| good	0.272 \| good
2026-07-13T11:00:00.000Z	52 \| moderate	9.921 \| good	43.94 \| good	11.576 \| good	1.673 \| good	26.687 \| good	0.282 \| good

Chicago Heights

Get reliable air quality data to drive your business

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

0.18ppm

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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Frequently asked questions

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

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

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

In the past 24 hours, the air quality in Chicago Heights, Illinois was at its worst at 10:00:00 on 2026-07-11.

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

In the last 24 hours, the best air quality in Chicago Heights, Illinois was observed at 04:00:00 on 2026-07-10.

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

As of now, the AQI in Chicago Heights, Illinois is 49, indicating Good conditions.

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

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

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

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

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

PM_2.5 levels in Chicago Heights, Illinois are currently 8.506 μg/m³.

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

The PM₁₀ concentration in Chicago Heights, Illinois is 34.354 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Chicago Heights, Illinois is 0.18 ppm.

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

Currently, Chicago Heights, Illinois has a sulfur dioxide (SO₂) concentration of 0.321 ppb.

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

The current ozone (O₃) level in Chicago Heights, Illinois at the moment is 19.553 ppm.

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

Nitrogen dioxide (NO₂) level in Chicago Heights, Illinois at the moment is 2.663 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-09T12:00:00.000Z	54 \| moderate	11.2 \| good	49.55 \| good	25.645 \| good	0.884 \| good	12.74 \| good	0.309 \| good
2026-07-09T13:00:00.000Z	54 \| moderate	11.154 \| good	49.748 \| good	30.163 \| good	0.983 \| good	11.747 \| good	0.292 \| good
2026-07-09T14:00:00.000Z	54 \| moderate	11.149 \| good	51.011 \| good	28.511 \| good	1.035 \| good	6.227 \| good	0.247 \| good
2026-07-09T15:00:00.000Z	54 \| moderate	11.082 \| good	49.345 \| good	29.913 \| good	1.006 \| good	4.803 \| good	0.237 \| good
2026-07-09T16:00:00.000Z	54 \| moderate	11.439 \| good	51.035 \| good	35.409 \| good	1.025 \| good	4.439 \| good	0.237 \| good
2026-07-09T17:00:00.000Z	54 \| moderate	11.155 \| good	50.42 \| good	37.371 \| good	1.065 \| good	4.448 \| good	0.205 \| good
2026-07-09T18:00:00.000Z	54 \| moderate	11.419 \| good	50.738 \| good	38.575 \| good	1.004 \| good	5.011 \| good	0.188 \| good
2026-07-09T19:00:00.000Z	54 \| moderate	11.288 \| good	50.025 \| good	41.204 \| good	0.978 \| good	4.87 \| good	0.204 \| good
2026-07-09T20:00:00.000Z	54 \| moderate	11.156 \| good	49.887 \| good	46.558 \| good	1.12 \| good	2.648 \| good	0.232 \| good
2026-07-09T21:00:00.000Z	54 \| moderate	11.238 \| good	50.106 \| good	50.218 \| good	1.235 \| good	4.823 \| good	0.204 \| good
2026-07-09T22:00:00.000Z	52 \| moderate	10.218 \| good	45.18 \| good	51.056 \| good	1.198 \| good	2.588 \| good	0.248 \| good
2026-07-09T23:00:00.000Z	52 \| moderate	9.918 \| good	44.315 \| good	49.32 \| good	1.156 \| good	4.085 \| good	0.221 \| good
2026-07-10T00:00:00.000Z	49 \| good	9.354 \| good	39.977 \| good	48.77 \| good	1.166 \| good	4.086 \| good	0.177 \| good
2026-07-10T01:00:00.000Z	49 \| good	8.972 \| good	39.538 \| good	45.353 \| good	1.153 \| good	3.721 \| good	0.177 \| good
2026-07-10T02:00:00.000Z	49 \| good	9.061 \| good	40.366 \| good	43.526 \| good	1.013 \| good	7.418 \| good	0.221 \| good
2026-07-10T03:00:00.000Z	49 \| good	9.049 \| good	39.111 \| good	39.607 \| good	1.081 \| good	7.391 \| good	0.177 \| good
2026-07-10T04:00:00.000Z	44 \| good	8.482 \| good	37.796 \| good	36.493 \| good	1.057 \| good	7.943 \| good	0.21 \| good
2026-07-10T05:00:00.000Z	38 \| good	7.303 \| good	32.286 \| good	39.258 \| good	0.803 \| good	6.663 \| good	0.21 \| good
2026-07-10T06:00:00.000Z	44 \| good	7.606 \| good	33.475 \| good	45.894 \| good	0.991 \| good	3.973 \| good	0.16 \| good
2026-07-10T07:00:00.000Z	44 \| good	7.703 \| good	34.066 \| good	47.34 \| good	0.854 \| good	3.984 \| good	0.198 \| good
2026-07-10T08:00:00.000Z	44 \| good	8.322 \| good	31.708 \| good	35.733 \| good	0.539 \| good	5.99 \| good	0.184 \| good
2026-07-10T09:00:00.000Z	44 \| good	8.261 \| good	31.522 \| good	41.235 \| good	0.449 \| good	5.604 \| good	0.202 \| good
2026-07-10T10:00:00.000Z	38 \| good	7.322 \| good	30.141 \| good	41.268 \| good	0.367 \| good	5.683 \| good	0.184 \| good
2026-07-10T11:00:00.000Z	38 \| good	6.53 \| good	29.223 \| good	32.4 \| good	0.389 \| good	6.212 \| good	0.184 \| good
2026-07-10T12:00:00.000Z	35 \| good	5.283 \| good	22.629 \| good	37.813 \| good	0.346 \| good	6.992 \| good	0.232 \| good
2026-07-10T13:00:00.000Z	32 \| good	5.061 \| good	21.186 \| good	35.334 \| good	0.35 \| good	8.121 \| good	0.248 \| good
2026-07-10T14:00:00.000Z	32 \| good	4.543 \| good	19.764 \| good	35.445 \| good	0.351 \| good	6.132 \| good	0.204 \| good
2026-07-10T15:00:00.000Z	31 \| good	4.849 \| good	20.742 \| good	34.363 \| good	0.452 \| good	3.973 \| good	0.204 \| good
2026-07-10T16:00:00.000Z	31 \| good	5.127 \| good	22.246 \| good	32.668 \| good	0.825 \| good	4.403 \| good	0.177 \| good
2026-07-10T17:00:00.000Z	34 \| good	5.497 \| good	24.009 \| good	36.565 \| good	0.595 \| good	3.36 \| good	0.177 \| good
2026-07-10T18:00:00.000Z	36 \| good	5.685 \| good	24.744 \| good	38.559 \| good	0.829 \| good	2.577 \| good	0.177 \| good
2026-07-10T19:00:00.000Z	36 \| good	5.869 \| good	25.019 \| good	38.921 \| good	0.513 \| good	2.165 \| good	0.204 \| good
2026-07-10T20:00:00.000Z	39 \| good	5.672 \| good	25.495 \| good	41.998 \| good	0.608 \| good	1.414 \| good	0.193 \| good
2026-07-10T21:00:00.000Z	34 \| good	5.611 \| good	24.993 \| good	37.491 \| good	0.565 \| good	2.761 \| good	0.232 \| good
2026-07-10T22:00:00.000Z	35 \| good	5.943 \| good	26.27 \| good	38.195 \| good	0.632 \| good	2.834 \| good	0.232 \| good
2026-07-10T23:00:00.000Z	35 \| good	5.938 \| good	26.653 \| good	38.067 \| good	0.54 \| good	2.91 \| good	0.248 \| good
2026-07-11T00:00:00.000Z	36 \| good	6.019 \| good	25.771 \| good	39.16 \| good	0.572 \| good	3.022 \| good	0.204 \| good
2026-07-11T01:00:00.000Z	38 \| good	6.639 \| good	29.572 \| good	35.082 \| good	0.416 \| good	2.417 \| good	0.177 \| good
2026-07-11T02:00:00.000Z	38 \| good	7.482 \| good	33.242 \| good	32.873 \| good	0.537 \| good	3.006 \| good	0.204 \| good
2026-07-11T03:00:00.000Z	49 \| good	9.151 \| good	40.762 \| good	27.487 \| good	0.691 \| good	5.774 \| good	0.14 \| good
2026-07-11T04:00:00.000Z	49 \| good	8.833 \| good	39.219 \| good	27.881 \| good	0.729 \| good	5.994 \| good	0.228 \| good
2026-07-11T05:00:00.000Z	49 \| good	8.903 \| good	37.876 \| good	27.672 \| good	0.875 \| good	8.504 \| good	0.277 \| good
2026-07-11T06:00:00.000Z	49 \| good	8.967 \| good	40.621 \| good	25.863 \| good	0.739 \| good	6.197 \| good	0.277 \| good
2026-07-11T07:00:00.000Z	44 \| good	8.488 \| good	36.826 \| good	23.98 \| good	0.484 \| good	5.659 \| good	0.24 \| good
2026-07-11T08:00:00.000Z	49 \| good	8.516 \| good	34.643 \| good	21.339 \| good	0.327 \| good	2.575 \| good	0.21 \| good
2026-07-11T09:00:00.000Z	44 \| good	8.42 \| good	33.648 \| good	19.889 \| good	0.295 \| good	2.444 \| good	0.228 \| good
2026-07-11T10:00:00.000Z	49 \| good	8.506 \| good	34.354 \| good	19.553 \| good	0.321 \| good	2.663 \| good	0.18 \| good
2026-07-11T11:00:00.000Z	49 \| good	8.506 \| good	34.354 \| good	19.553 \| good	0.321 \| good	2.663 \| good	0.18 \| good
2026-07-11T12:00:00.000Z	38 \| good	7.429 \| good	32.823 \| good	20.196 \| good	0.598 \| good	5.783 \| good	0.151 \| good
2026-07-11T13:00:00.000Z	44 \| good	7.561 \| good	33.127 \| good	29.36 \| good	0.764 \| good	4.759 \| good	0.155 \| good
2026-07-11T14:00:00.000Z	44 \| good	8.13 \| good	35.826 \| good	38.728 \| good	1 \| good	4.06 \| good	0.162 \| good
2026-07-11T15:00:00.000Z	40 \| good	6.961 \| good	30.888 \| good	42.824 \| good	1.127 \| good	2.986 \| good	0.163 \| good
2026-07-11T16:00:00.000Z	42 \| good	6.028 \| good	26.747 \| good	45.014 \| good	1.05 \| good	1.834 \| good	0.156 \| good
2026-07-11T17:00:00.000Z	46 \| good	6.24 \| good	27.858 \| good	50.367 \| good	0.898 \| good	1.271 \| good	0.149 \| good
2026-07-11T18:00:00.000Z	50 \| good	7.617 \| good	33.765 \| good	54.052 \| good	0.791 \| good	1.028 \| good	0.143 \| good
2026-07-11T19:00:00.000Z	49 \| good	8.604 \| good	37.778 \| good	53.211 \| good	0.74 \| good	0.939 \| good	0.14 \| good
2026-07-11T20:00:00.000Z	47 \| good	8.025 \| good	34.954 \| good	51.274 \| good	0.716 \| good	0.962 \| good	0.139 \| good
2026-07-11T21:00:00.000Z	45 \| good	7.824 \| good	34.052 \| good	48.85 \| good	0.688 \| good	1.048 \| good	0.138 \| good
2026-07-11T22:00:00.000Z	49 \| good	8.506 \| good	37.15 \| good	49.967 \| good	0.662 \| good	1.241 \| good	0.139 \| good
2026-07-11T23:00:00.000Z	49 \| good	8.754 \| good	38.071 \| good	51.108 \| good	0.664 \| good	1.696 \| good	0.142 \| good
2026-07-12T00:00:00.000Z	46 \| good	8.33 \| good	36.678 \| good	49.794 \| good	0.668 \| good	2.632 \| good	0.146 \| good
2026-07-12T01:00:00.000Z	49 \| good	8.951 \| good	39.095 \| good	42.38 \| good	0.661 \| good	3.749 \| good	0.147 \| good
2026-07-12T02:00:00.000Z	52 \| moderate	9.652 \| good	42.834 \| good	35.582 \| good	0.684 \| good	5.072 \| good	0.148 \| good
2026-07-12T03:00:00.000Z	38 \| good	7.463 \| good	32.79 \| good	30.614 \| good	0.659 \| good	5.783 \| good	0.148 \| good
2026-07-12T04:00:00.000Z	44 \| good	7.691 \| good	33.824 \| good	25.473 \| good	0.62 \| good	6.25 \| good	0.148 \| good
2026-07-12T05:00:00.000Z	44 \| good	8.165 \| good	35.83 \| good	21.068 \| good	0.581 \| good	6.496 \| good	0.148 \| good
2026-07-12T06:00:00.000Z	49 \| good	8.639 \| good	37.862 \| good	15.386 \| good	0.546 \| good	6.127 \| good	0.149 \| good
2026-07-12T07:00:00.000Z	49 \| good	8.933 \| good	39.023 \| good	12.074 \| good	0.535 \| good	6.324 \| good	0.151 \| good
2026-07-12T08:00:00.000Z	49 \| good	8.664 \| good	38.005 \| good	10.1 \| good	0.571 \| good	6.771 \| good	0.155 \| good
2026-07-12T09:00:00.000Z	49 \| good	8.549 \| good	37.195 \| good	10.792 \| good	0.649 \| good	7.58 \| good	0.163 \| good
2026-07-12T10:00:00.000Z	38 \| good	7.445 \| good	33.037 \| good	10.811 \| good	0.806 \| good	8.646 \| good	0.172 \| good
2026-07-12T11:00:00.000Z	38 \| good	7.099 \| good	31.235 \| good	13.8 \| good	1.009 \| good	9.653 \| good	0.182 \| good
2026-07-12T12:00:00.000Z	33 \| good	6.126 \| good	26.846 \| good	17.133 \| good	1.174 \| good	8.573 \| good	0.19 \| good
2026-07-12T13:00:00.000Z	33 \| good	6.34 \| good	27.988 \| good	25.963 \| good	1.641 \| good	6.734 \| good	0.189 \| good
2026-07-12T14:00:00.000Z	38 \| good	7.412 \| good	32.871 \| good	36.519 \| good	2.063 \| good	4.992 \| good	0.181 \| good
2026-07-12T15:00:00.000Z	44 \| good	8.427 \| good	36.956 \| good	42.904 \| good	2.072 \| good	3.212 \| good	0.17 \| good
2026-07-12T16:00:00.000Z	44 \| good	8.231 \| good	36.025 \| good	43.597 \| good	2.006 \| good	2.004 \| good	0.162 \| good
2026-07-12T17:00:00.000Z	41 \| good	7.31 \| good	32.009 \| good	43.95 \| good	1.691 \| good	1.33 \| good	0.155 \| good
2026-07-12T18:00:00.000Z	39 \| good	6.977 \| good	30.938 \| good	41.87 \| good	1.455 \| good	1.05 \| good	0.15 \| good
2026-07-12T19:00:00.000Z	37 \| good	5.94 \| good	26.555 \| good	40.311 \| good	1.297 \| good	0.949 \| good	0.147 \| good
2026-07-12T20:00:00.000Z	37 \| good	5.417 \| good	22.977 \| good	39.796 \| good	1.182 \| good	0.953 \| good	0.144 \| good
2026-07-12T21:00:00.000Z	35 \| good	5.38 \| good	23.043 \| good	37.679 \| good	1.107 \| good	1.014 \| good	0.142 \| good
2026-07-12T22:00:00.000Z	36 \| good	5.978 \| good	26.593 \| good	39.099 \| good	1.029 \| good	1.141 \| good	0.14 \| good
2026-07-12T23:00:00.000Z	38 \| good	6.329 \| good	27.761 \| good	40.727 \| good	0.991 \| good	1.496 \| good	0.139 \| good
2026-07-13T00:00:00.000Z	38 \| good	7.066 \| good	31.694 \| good	38.711 \| good	0.969 \| good	2.308 \| good	0.142 \| good
2026-07-13T01:00:00.000Z	44 \| good	7.969 \| good	34.905 \| good	36.038 \| good	1 \| good	4.473 \| good	0.152 \| good
2026-07-13T02:00:00.000Z	52 \| moderate	9.902 \| good	43.905 \| good	31.098 \| good	1.052 \| good	8.485 \| good	0.168 \| good
2026-07-13T03:00:00.000Z	54 \| moderate	11.449 \| good	50.872 \| good	26.596 \| good	1.123 \| good	11.13 \| good	0.178 \| good
2026-07-13T04:00:00.000Z	56 \| moderate	12.066 \| good	54.65 \| good	22.773 \| good	1.219 \| good	14.341 \| good	0.191 \| good
2026-07-13T05:00:00.000Z	58 \| moderate	12.584 \| fine	56.688 \| fine	17.084 \| good	1.333 \| good	17.215 \| good	0.207 \| good
2026-07-13T06:00:00.000Z	62 \| moderate	15.286 \| fine	15.64 \| good	24.81 \| good	1.405 \| good	18.172 \| good	0.219 \| good
2026-07-13T07:00:00.000Z	56 \| moderate	11.971 \| good	53.667 \| good	13.571 \| good	1.499 \| good	19.71 \| good	0.229 \| good
2026-07-13T08:00:00.000Z	56 \| moderate	11.577 \| good	51.02 \| good	11.18 \| good	1.578 \| good	22.346 \| good	0.241 \| good
2026-07-13T09:00:00.000Z	54 \| moderate	10.75 \| good	47.883 \| good	9.776 \| good	1.646 \| good	25.921 \| good	0.255 \| good
2026-07-13T10:00:00.000Z	49 \| good	9.449 \| good	41.997 \| good	9.466 \| good	1.663 \| good	28.894 \| good	0.272 \| good
2026-07-13T11:00:00.000Z	52 \| moderate	9.921 \| good	43.94 \| good	11.576 \| good	1.673 \| good	26.687 \| good	0.282 \| good

Live air quality index in Chicago Heights, Illinois today

Major air pollutants in Chicago Heights, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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

Air quality in nearby cities

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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