What is the PM10 level in Romeoville, Illinois at the moment?

The PM10 concentration in Romeoville, Illinois is 49.249 μg/m3 at the moment.

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

Currently, Romeoville, Illinois has a sulfur dioxide (SO2) concentration of 0.5 ppb.

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

The current ozone (O3) level in Romeoville, Illinois at the moment is 19.841 ppm.

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

Nitrogen dioxide (NO2) level in Romeoville, Illinois at the moment is 9.905 ppb.

Live air quality index in Romeoville, Illinois today

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

PM2.5 levels in Romeoville, Illinois are currently 10.97 μg/m3.

Stay updated with real-time air quality in Romeoville, 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

Romeoville, Illinois

Last updated: ... (Local time)

Major air pollutants in Romeoville, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

10.97 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

49.25 μg/m³

155

255

425

605+

Ozone (O₃)

19.84 ppb

201

201+

Sulfur Dioxide (SO₂)

0.50 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

9.90 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Romeoville, Illinois

Get Live Pollen Counts

Romeoville, Illinois

Scroll To Air Quality Map

Track live Romeoville, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-07T16:00:00.000Z	54 \| moderate	10.924 \| good	44.669 \| good	15.938 \| good	0.936 \| good	5.109 \| good	0.222 \| good
2025-12-07T17:00:00.000Z	54 \| moderate	10.572 \| good	55.739 \| fine	15.702 \| good	0.562 \| good	5.887 \| good	0.186 \| good
2025-12-07T18:00:00.000Z	44 \| good	8.45 \| good	33.311 \| good	17.597 \| good	0.434 \| good	5.12 \| good	0.186 \| good
2025-12-07T19:00:00.000Z	54 \| moderate	10.547 \| good	54.755 \| good	16.381 \| good	0.38 \| good	5.135 \| good	0.186 \| good
2025-12-07T20:00:00.000Z	54 \| moderate	10.671 \| good	48.658 \| good	14.851 \| good	0.328 \| good	4.524 \| good	0.232 \| good
2025-12-07T21:00:00.000Z	54 \| moderate	10.507 \| good	49.135 \| good	15.719 \| good	0.371 \| good	4.948 \| good	0.215 \| good
2025-12-07T22:00:00.000Z	44 \| good	7.639 \| good	36.551 \| good	16.087 \| good	0.328 \| good	5.671 \| good	0.207 \| good
2025-12-07T23:00:00.000Z	33 \| good	6.426 \| good	27.153 \| good	17.742 \| good	0.341 \| good	8.001 \| good	0.222 \| good
2025-12-08T00:00:00.000Z	33 \| good	6.257 \| good	30.285 \| good	24.677 \| good	0.497 \| good	9.51 \| good	0.2 \| good
2025-12-08T01:00:00.000Z	27 \| good	4.987 \| good	29.484 \| good	20.105 \| good	0.754 \| good	7.443 \| good	0.214 \| good
2025-12-08T02:00:00.000Z	38 \| good	6.525 \| good	28.905 \| good	11.176 \| good	0.49 \| good	7.692 \| good	0.228 \| good
2025-12-08T03:00:00.000Z	33 \| good	5.938 \| good	28.446 \| good	17.758 \| good	1.102 \| good	16.107 \| good	0.256 \| good
2025-12-08T04:00:00.000Z	27 \| good	5.385 \| good	20.064 \| good	16.042 \| good	1.109 \| good	18.239 \| good	0.227 \| good
2025-12-08T05:00:00.000Z	27 \| good	5.156 \| good	22.369 \| good	10.711 \| good	1.227 \| good	19.013 \| good	0.199 \| good
2025-12-08T06:00:00.000Z	27 \| good	4.762 \| good	20.453 \| good	6.95 \| good	1.148 \| good	20.467 \| good	0.214 \| good
2025-12-08T07:00:00.000Z	27 \| good	4.698 \| good	21.115 \| good	9.289 \| good	2.018 \| good	17.979 \| good	0.228 \| good
2025-12-08T08:00:00.000Z	27 \| good	4.922 \| good	21.849 \| good	13.338 \| good	4.737 \| good	18.779 \| good	0.199 \| good
2025-12-08T09:00:00.000Z	33 \| good	5.931 \| good	13.014 \| good	16.751 \| good	5.445 \| good	24.148 \| good	0.185 \| good
2025-12-08T10:00:00.000Z	27 \| good	4.765 \| good	20.648 \| good	16.021 \| good	5.196 \| good	8.603 \| good	0.213 \| good
2025-12-08T11:00:00.000Z	33 \| good	6.259 \| good	21.115 \| good	12.145 \| good	5.017 \| good	11.118 \| good	0.228 \| good
2025-12-08T12:00:00.000Z	38 \| good	6.824 \| good	29.91 \| good	10.601 \| good	5.008 \| good	12.66 \| good	0.27 \| good
2025-12-08T13:00:00.000Z	33 \| good	5.687 \| good	19.459 \| good	11.395 \| good	1.55 \| good	12.403 \| good	0.312 \| good
2025-12-08T14:00:00.000Z	33 \| good	6.062 \| good	25.462 \| good	10.317 \| good	0.764 \| good	15.243 \| good	0.384 \| good
2025-12-08T15:00:00.000Z	27 \| good	5.222 \| good	20.494 \| good	10.07 \| good	0.555 \| good	17.543 \| good	0.412 \| good
2025-12-08T16:00:00.000Z	33 \| good	5.524 \| good	23.664 \| good	16.154 \| good	0.66 \| good	20.014 \| good	0.384 \| good
2025-12-08T17:00:00.000Z	27 \| good	4.669 \| good	16.131 \| good	20.221 \| good	0.646 \| good	17.432 \| good	0.2 \| good
2025-12-08T18:00:00.000Z	27 \| good	4.571 \| good	17.704 \| good	28.912 \| good	0.477 \| good	10.353 \| good	0.157 \| good
2025-12-08T19:00:00.000Z	28 \| good	3.871 \| good	15.76 \| good	29.685 \| good	0.506 \| good	11.411 \| good	0.186 \| good
2025-12-08T20:00:00.000Z	25 \| good	3.807 \| good	15.523 \| good	27.5 \| good	0.524 \| good	11.998 \| good	0.186 \| good
2025-12-08T21:00:00.000Z	27 \| good	4.715 \| good	21.859 \| good	26.704 \| good	0.669 \| good	15.079 \| good	0.215 \| good
2025-12-08T22:00:00.000Z	25 \| good	4.273 \| good	25.155 \| good	26.704 \| good	0.571 \| good	19.176 \| good	0.257 \| good
2025-12-08T23:00:00.000Z	26 \| good	4.224 \| good	17.543 \| good	27.943 \| good	0.594 \| good	21.379 \| good	0.229 \| good
2025-12-09T00:00:00.000Z	33 \| good	5.655 \| good	23.18 \| good	27.116 \| good	0.599 \| good	28.715 \| good	0.242 \| good
2025-12-09T01:00:00.000Z	33 \| good	5.732 \| good	26.864 \| good	21.672 \| good	0.567 \| good	27.031 \| good	0.229 \| good
2025-12-09T02:00:00.000Z	33 \| good	5.995 \| good	32.513 \| good	20.54 \| good	0.547 \| good	22.946 \| good	0.229 \| good
2025-12-09T03:00:00.000Z	38 \| good	7.422 \| good	32.736 \| good	11.608 \| good	1.202 \| good	15.853 \| good	0.269 \| good
2025-12-09T04:00:00.000Z	38 \| good	6.672 \| good	31.102 \| good	16.17 \| good	0.448 \| good	14.951 \| good	0.171 \| good
2025-12-09T05:00:00.000Z	49 \| good	9.13 \| good	44.083 \| good	17.481 \| good	0.542 \| good	13.382 \| good	0.186 \| good
2025-12-09T06:00:00.000Z	33 \| good	6.388 \| good	27.394 \| good	16.457 \| good	0.444 \| good	11.105 \| good	0.171 \| good
2025-12-09T07:00:00.000Z	34 \| good	6.156 \| good	36.916 \| good	17.229 \| good	0.51 \| good	11.836 \| good	0.171 \| good
2025-12-09T08:00:00.000Z	38 \| good	6.549 \| good	25.162 \| good	18.617 \| good	0.502 \| good	8.829 \| good	0.157 \| good
2025-12-09T09:00:00.000Z	49 \| good	8.681 \| good	32.756 \| good	17.73 \| good	0.545 \| good	8.517 \| good	0.144 \| good
2025-12-09T10:00:00.000Z	52 \| moderate	9.619 \| good	40.845 \| good	16.429 \| good	0.616 \| good	7.805 \| good	0.157 \| good
2025-12-09T11:00:00.000Z	54 \| moderate	11.094 \| good	41.165 \| good	19.72 \| good	0.519 \| good	6.743 \| good	0.157 \| good
2025-12-09T12:00:00.000Z	54 \| moderate	11.126 \| good	45.538 \| good	18.153 \| good	0.504 \| good	7.083 \| good	0.186 \| good
2025-12-09T13:00:00.000Z	56 \| moderate	11.587 \| good	52.543 \| good	17.727 \| good	0.508 \| good	7.442 \| good	0.186 \| good
2025-12-09T14:00:00.000Z	54 \| moderate	10.97 \| good	49.249 \| good	19.841 \| good	0.5 \| good	9.905 \| good	0.239 \| good
2025-12-09T15:00:00.000Z	52 \| moderate	10.194 \| good	47.141 \| good	18.897 \| good	0.501 \| good	9.099 \| good	0.186 \| good
2025-12-09T15:00:00.000Z	54 \| moderate	10.97 \| good	49.249 \| good	19.841 \| good	0.5 \| good	9.905 \| good	0.239 \| good
2025-12-09T15:00:00.000Z	52 \| moderate	10.447 \| good	46.225 \| good	18.742 \| good	0.87 \| good	5.035 \| good	0.209 \| good
2025-12-09T16:00:00.000Z	58 \| moderate	12.987 \| fine	58.48 \| fine	19.672 \| good	0.82 \| good	4.624 \| good	0.208 \| good
2025-12-09T17:00:00.000Z	60 \| moderate	13.705 \| fine	61.675 \| fine	20.979 \| good	0.769 \| good	4.213 \| good	0.206 \| good
2025-12-09T18:00:00.000Z	60 \| moderate	13.811 \| fine	62.288 \| fine	18.85 \| good	0.719 \| good	3.801 \| good	0.205 \| good
2025-12-09T19:00:00.000Z	60 \| moderate	13.574 \| fine	60.42 \| fine	19.111 \| good	0.726 \| good	4.89 \| good	0.209 \| good
2025-12-09T20:00:00.000Z	58 \| moderate	13.309 \| fine	60.359 \| fine	21.125 \| good	0.733 \| good	5.978 \| good	0.213 \| good
2025-12-09T21:00:00.000Z	56 \| moderate	12.098 \| good	53.923 \| good	20.715 \| good	0.74 \| good	7.066 \| good	0.216 \| good
2025-12-09T22:00:00.000Z	54 \| moderate	10.961 \| good	48.741 \| good	19.72 \| good	0.721 \| good	8.219 \| good	0.221 \| good
2025-12-09T23:00:00.000Z	52 \| moderate	9.764 \| good	43.631 \| good	20.383 \| good	0.701 \| good	9.372 \| good	0.225 \| good
2025-12-10T00:00:00.000Z	49 \| good	9.463 \| good	42.073 \| good	18.472 \| good	0.682 \| good	10.524 \| good	0.23 \| good
2025-12-10T01:00:00.000Z	44 \| good	7.533 \| good	33.148 \| good	17.087 \| good	0.676 \| good	8.997 \| good	0.219 \| good
2025-12-10T02:00:00.000Z	33 \| good	5.981 \| good	26.367 \| good	18.998 \| good	0.671 \| good	7.47 \| good	0.208 \| good
2025-12-10T03:00:00.000Z	38 \| good	6.5 \| good	29.061 \| good	22.87 \| good	0.665 \| good	5.943 \| good	0.197 \| good
2025-12-10T04:00:00.000Z	33 \| good	6.43 \| good	28.618 \| good	27.389 \| good	0.603 \| good	5.246 \| good	0.19 \| good
2025-12-10T05:00:00.000Z	33 \| good	5.661 \| good	24.359 \| good	28.718 \| good	0.542 \| good	4.549 \| good	0.184 \| good
2025-12-10T06:00:00.000Z	27 \| good	4.973 \| good	21.705 \| good	28.553 \| good	0.481 \| good	3.851 \| good	0.178 \| good
2025-12-10T07:00:00.000Z	33 \| good	5.942 \| good	26.405 \| good	25.336 \| good	0.431 \| good	3.247 \| good	0.158 \| good
2025-12-10T08:00:00.000Z	44 \| good	7.513 \| good	32.983 \| good	24.884 \| good	0.381 \| good	2.643 \| good	0.139 \| good
2025-12-10T09:00:00.000Z	38 \| good	6.964 \| good	30.773 \| good	21.147 \| good	0.331 \| good	2.039 \| good	0.119 \| good
2025-12-10T10:00:00.000Z	24 \| good	3.47 \| good	14.992 \| good	25.961 \| good	0.349 \| good	2.112 \| good	0.125 \| good
2025-12-10T11:00:00.000Z	22 \| good	1.554 \| good	6.524 \| good	23.769 \| good	0.367 \| good	2.186 \| good	0.13 \| good
2025-12-10T12:00:00.000Z	22 \| good	2.399 \| good	9.723 \| good	23.903 \| good	0.386 \| good	2.259 \| good	0.136 \| good
2025-12-10T13:00:00.000Z	38 \| good	7.312 \| good	32.186 \| good	16.923 \| good	0.486 \| good	3.222 \| good	0.156 \| good
2025-12-10T14:00:00.000Z	52 \| moderate	10.099 \| good	44.844 \| good	15.34 \| good	0.586 \| good	4.184 \| good	0.176 \| good
2025-12-10T15:00:00.000Z	38 \| good	6.719 \| good	30.013 \| good	21.03 \| good	0.686 \| good	5.146 \| good	0.196 \| good
2025-12-10T16:00:00.000Z	33 \| good	6.254 \| good	27.934 \| good	20.884 \| good	0.728 \| good	4.328 \| good	0.188 \| good
2025-12-10T17:00:00.000Z	27 \| good	4.874 \| good	20.968 \| good	23.351 \| good	0.77 \| good	3.511 \| good	0.18 \| good
2025-12-10T18:00:00.000Z	22 \| good	3.928 \| good	17.342 \| good	23.254 \| good	0.813 \| good	2.693 \| good	0.172 \| good
2025-12-10T19:00:00.000Z	22 \| good	4.266 \| good	18.542 \| good	23.158 \| good	0.802 \| good	3.055 \| good	0.171 \| good
2025-12-10T20:00:00.000Z	22 \| good	4.107 \| good	17.979 \| good	23.794 \| good	0.792 \| good	3.418 \| good	0.17 \| good
2025-12-10T21:00:00.000Z	22 \| good	3.567 \| good	15.525 \| good	22.761 \| good	0.782 \| good	3.78 \| good	0.169 \| good
2025-12-10T22:00:00.000Z	19 \| good	3.389 \| good	14.953 \| good	20.182 \| good	0.79 \| good	4.845 \| good	0.173 \| good
2025-12-10T23:00:00.000Z	17 \| good	2.99 \| good	12.847 \| good	17.95 \| good	0.799 \| good	5.91 \| good	0.178 \| good
2025-12-11T00:00:00.000Z	22 \| good	3.718 \| good	16.108 \| good	15.966 \| good	0.807 \| good	6.975 \| good	0.183 \| good
2025-12-11T01:00:00.000Z	16 \| good	3.324 \| good	14.639 \| good	13.429 \| good	0.81 \| good	6.723 \| good	0.178 \| good
2025-12-11T02:00:00.000Z	16 \| good	3.103 \| good	13.315 \| good	12.059 \| good	0.813 \| good	6.472 \| good	0.174 \| good
2025-12-11T03:00:00.000Z	22 \| good	3.738 \| good	16.172 \| good	14.778 \| good	0.816 \| good	6.22 \| good	0.17 \| good
2025-12-11T04:00:00.000Z	22 \| good	3.983 \| good	17.509 \| good	14.687 \| good	0.787 \| good	5.463 \| good	0.165 \| good
2025-12-11T05:00:00.000Z	16 \| good	3.197 \| good	13.851 \| good	10.763 \| good	0.757 \| good	4.705 \| good	0.16 \| good
2025-12-11T06:00:00.000Z	16 \| good	3.453 \| good	15.321 \| good	8.591 \| good	0.727 \| good	3.948 \| good	0.155 \| good
2025-12-11T07:00:00.000Z	22 \| good	4.109 \| good	18.262 \| good	9.543 \| good	0.677 \| good	3.757 \| good	0.154 \| good
2025-12-11T08:00:00.000Z	27 \| good	4.828 \| good	21.055 \| good	9.938 \| good	0.627 \| good	3.565 \| good	0.153 \| good
2025-12-11T09:00:00.000Z	27 \| good	4.927 \| good	21.396 \| good	8.409 \| good	0.577 \| good	3.374 \| good	0.152 \| good
2025-12-11T10:00:00.000Z	27 \| good	5.309 \| good	23.112 \| good	5.85 \| good	0.589 \| good	4.251 \| good	0.156 \| good
2025-12-11T11:00:00.000Z	22 \| good	4.006 \| good	17.256 \| good	6.25 \| good	0.601 \| good	5.128 \| good	0.161 \| good
2025-12-11T12:00:00.000Z	27 \| good	4.535 \| good	19.708 \| good	6.599 \| good	0.614 \| good	6.005 \| good	0.165 \| good
2025-12-11T13:00:00.000Z	22 \| good	4.188 \| good	18.33 \| good	7.422 \| good	0.703 \| good	6.764 \| good	0.181 \| good
2025-12-11T14:00:00.000Z	16 \| good	3.251 \| good	13.872 \| good	16.241 \| good	0.793 \| good	7.524 \| good	0.197 \| good

Romeoville

Get reliable air quality data to drive your business

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

0.19ppm

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 Romeoville, Illinois?

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

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

In the past 24 hours, the air quality in Romeoville, Illinois was at its worst at 01:00:00 on 2025-12-09.

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

In the last 24 hours, the best air quality in Romeoville, Illinois was observed at 10:00:00 on 2025-12-08.

What is the AQI in Romeoville, Illinois right now?

As of now, the AQI in Romeoville, Illinois is 54, indicating Moderate conditions.

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

Romeoville, Illinois air has the highest levels of PM2.5.

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

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

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

PM_2.5 levels in Romeoville, Illinois are currently 10.97 μg/m³.

What is the PM₁₀ level in Romeoville, Illinois at the moment?

The PM₁₀ concentration in Romeoville, Illinois is 49.249 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Romeoville, Illinois is 0.239 ppm.

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

Currently, Romeoville, Illinois has a sulfur dioxide (SO₂) concentration of 0.5 ppb.

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

The current ozone (O₃) level in Romeoville, Illinois at the moment is 19.841 ppm.

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

Nitrogen dioxide (NO₂) level in Romeoville, Illinois at the moment is 9.905 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-07T16:00:00.000Z	54 \| moderate	10.924 \| good	44.669 \| good	15.938 \| good	0.936 \| good	5.109 \| good	0.222 \| good
2025-12-07T17:00:00.000Z	54 \| moderate	10.572 \| good	55.739 \| fine	15.702 \| good	0.562 \| good	5.887 \| good	0.186 \| good
2025-12-07T18:00:00.000Z	44 \| good	8.45 \| good	33.311 \| good	17.597 \| good	0.434 \| good	5.12 \| good	0.186 \| good
2025-12-07T19:00:00.000Z	54 \| moderate	10.547 \| good	54.755 \| good	16.381 \| good	0.38 \| good	5.135 \| good	0.186 \| good
2025-12-07T20:00:00.000Z	54 \| moderate	10.671 \| good	48.658 \| good	14.851 \| good	0.328 \| good	4.524 \| good	0.232 \| good
2025-12-07T21:00:00.000Z	54 \| moderate	10.507 \| good	49.135 \| good	15.719 \| good	0.371 \| good	4.948 \| good	0.215 \| good
2025-12-07T22:00:00.000Z	44 \| good	7.639 \| good	36.551 \| good	16.087 \| good	0.328 \| good	5.671 \| good	0.207 \| good
2025-12-07T23:00:00.000Z	33 \| good	6.426 \| good	27.153 \| good	17.742 \| good	0.341 \| good	8.001 \| good	0.222 \| good
2025-12-08T00:00:00.000Z	33 \| good	6.257 \| good	30.285 \| good	24.677 \| good	0.497 \| good	9.51 \| good	0.2 \| good
2025-12-08T01:00:00.000Z	27 \| good	4.987 \| good	29.484 \| good	20.105 \| good	0.754 \| good	7.443 \| good	0.214 \| good
2025-12-08T02:00:00.000Z	38 \| good	6.525 \| good	28.905 \| good	11.176 \| good	0.49 \| good	7.692 \| good	0.228 \| good
2025-12-08T03:00:00.000Z	33 \| good	5.938 \| good	28.446 \| good	17.758 \| good	1.102 \| good	16.107 \| good	0.256 \| good
2025-12-08T04:00:00.000Z	27 \| good	5.385 \| good	20.064 \| good	16.042 \| good	1.109 \| good	18.239 \| good	0.227 \| good
2025-12-08T05:00:00.000Z	27 \| good	5.156 \| good	22.369 \| good	10.711 \| good	1.227 \| good	19.013 \| good	0.199 \| good
2025-12-08T06:00:00.000Z	27 \| good	4.762 \| good	20.453 \| good	6.95 \| good	1.148 \| good	20.467 \| good	0.214 \| good
2025-12-08T07:00:00.000Z	27 \| good	4.698 \| good	21.115 \| good	9.289 \| good	2.018 \| good	17.979 \| good	0.228 \| good
2025-12-08T08:00:00.000Z	27 \| good	4.922 \| good	21.849 \| good	13.338 \| good	4.737 \| good	18.779 \| good	0.199 \| good
2025-12-08T09:00:00.000Z	33 \| good	5.931 \| good	13.014 \| good	16.751 \| good	5.445 \| good	24.148 \| good	0.185 \| good
2025-12-08T10:00:00.000Z	27 \| good	4.765 \| good	20.648 \| good	16.021 \| good	5.196 \| good	8.603 \| good	0.213 \| good
2025-12-08T11:00:00.000Z	33 \| good	6.259 \| good	21.115 \| good	12.145 \| good	5.017 \| good	11.118 \| good	0.228 \| good
2025-12-08T12:00:00.000Z	38 \| good	6.824 \| good	29.91 \| good	10.601 \| good	5.008 \| good	12.66 \| good	0.27 \| good
2025-12-08T13:00:00.000Z	33 \| good	5.687 \| good	19.459 \| good	11.395 \| good	1.55 \| good	12.403 \| good	0.312 \| good
2025-12-08T14:00:00.000Z	33 \| good	6.062 \| good	25.462 \| good	10.317 \| good	0.764 \| good	15.243 \| good	0.384 \| good
2025-12-08T15:00:00.000Z	27 \| good	5.222 \| good	20.494 \| good	10.07 \| good	0.555 \| good	17.543 \| good	0.412 \| good
2025-12-08T16:00:00.000Z	33 \| good	5.524 \| good	23.664 \| good	16.154 \| good	0.66 \| good	20.014 \| good	0.384 \| good
2025-12-08T17:00:00.000Z	27 \| good	4.669 \| good	16.131 \| good	20.221 \| good	0.646 \| good	17.432 \| good	0.2 \| good
2025-12-08T18:00:00.000Z	27 \| good	4.571 \| good	17.704 \| good	28.912 \| good	0.477 \| good	10.353 \| good	0.157 \| good
2025-12-08T19:00:00.000Z	28 \| good	3.871 \| good	15.76 \| good	29.685 \| good	0.506 \| good	11.411 \| good	0.186 \| good
2025-12-08T20:00:00.000Z	25 \| good	3.807 \| good	15.523 \| good	27.5 \| good	0.524 \| good	11.998 \| good	0.186 \| good
2025-12-08T21:00:00.000Z	27 \| good	4.715 \| good	21.859 \| good	26.704 \| good	0.669 \| good	15.079 \| good	0.215 \| good
2025-12-08T22:00:00.000Z	25 \| good	4.273 \| good	25.155 \| good	26.704 \| good	0.571 \| good	19.176 \| good	0.257 \| good
2025-12-08T23:00:00.000Z	26 \| good	4.224 \| good	17.543 \| good	27.943 \| good	0.594 \| good	21.379 \| good	0.229 \| good
2025-12-09T00:00:00.000Z	33 \| good	5.655 \| good	23.18 \| good	27.116 \| good	0.599 \| good	28.715 \| good	0.242 \| good
2025-12-09T01:00:00.000Z	33 \| good	5.732 \| good	26.864 \| good	21.672 \| good	0.567 \| good	27.031 \| good	0.229 \| good
2025-12-09T02:00:00.000Z	33 \| good	5.995 \| good	32.513 \| good	20.54 \| good	0.547 \| good	22.946 \| good	0.229 \| good
2025-12-09T03:00:00.000Z	38 \| good	7.422 \| good	32.736 \| good	11.608 \| good	1.202 \| good	15.853 \| good	0.269 \| good
2025-12-09T04:00:00.000Z	38 \| good	6.672 \| good	31.102 \| good	16.17 \| good	0.448 \| good	14.951 \| good	0.171 \| good
2025-12-09T05:00:00.000Z	49 \| good	9.13 \| good	44.083 \| good	17.481 \| good	0.542 \| good	13.382 \| good	0.186 \| good
2025-12-09T06:00:00.000Z	33 \| good	6.388 \| good	27.394 \| good	16.457 \| good	0.444 \| good	11.105 \| good	0.171 \| good
2025-12-09T07:00:00.000Z	34 \| good	6.156 \| good	36.916 \| good	17.229 \| good	0.51 \| good	11.836 \| good	0.171 \| good
2025-12-09T08:00:00.000Z	38 \| good	6.549 \| good	25.162 \| good	18.617 \| good	0.502 \| good	8.829 \| good	0.157 \| good
2025-12-09T09:00:00.000Z	49 \| good	8.681 \| good	32.756 \| good	17.73 \| good	0.545 \| good	8.517 \| good	0.144 \| good
2025-12-09T10:00:00.000Z	52 \| moderate	9.619 \| good	40.845 \| good	16.429 \| good	0.616 \| good	7.805 \| good	0.157 \| good
2025-12-09T11:00:00.000Z	54 \| moderate	11.094 \| good	41.165 \| good	19.72 \| good	0.519 \| good	6.743 \| good	0.157 \| good
2025-12-09T12:00:00.000Z	54 \| moderate	11.126 \| good	45.538 \| good	18.153 \| good	0.504 \| good	7.083 \| good	0.186 \| good
2025-12-09T13:00:00.000Z	56 \| moderate	11.587 \| good	52.543 \| good	17.727 \| good	0.508 \| good	7.442 \| good	0.186 \| good
2025-12-09T14:00:00.000Z	54 \| moderate	10.97 \| good	49.249 \| good	19.841 \| good	0.5 \| good	9.905 \| good	0.239 \| good
2025-12-09T15:00:00.000Z	52 \| moderate	10.194 \| good	47.141 \| good	18.897 \| good	0.501 \| good	9.099 \| good	0.186 \| good
2025-12-09T15:00:00.000Z	54 \| moderate	10.97 \| good	49.249 \| good	19.841 \| good	0.5 \| good	9.905 \| good	0.239 \| good
2025-12-09T15:00:00.000Z	52 \| moderate	10.447 \| good	46.225 \| good	18.742 \| good	0.87 \| good	5.035 \| good	0.209 \| good
2025-12-09T16:00:00.000Z	58 \| moderate	12.987 \| fine	58.48 \| fine	19.672 \| good	0.82 \| good	4.624 \| good	0.208 \| good
2025-12-09T17:00:00.000Z	60 \| moderate	13.705 \| fine	61.675 \| fine	20.979 \| good	0.769 \| good	4.213 \| good	0.206 \| good
2025-12-09T18:00:00.000Z	60 \| moderate	13.811 \| fine	62.288 \| fine	18.85 \| good	0.719 \| good	3.801 \| good	0.205 \| good
2025-12-09T19:00:00.000Z	60 \| moderate	13.574 \| fine	60.42 \| fine	19.111 \| good	0.726 \| good	4.89 \| good	0.209 \| good
2025-12-09T20:00:00.000Z	58 \| moderate	13.309 \| fine	60.359 \| fine	21.125 \| good	0.733 \| good	5.978 \| good	0.213 \| good
2025-12-09T21:00:00.000Z	56 \| moderate	12.098 \| good	53.923 \| good	20.715 \| good	0.74 \| good	7.066 \| good	0.216 \| good
2025-12-09T22:00:00.000Z	54 \| moderate	10.961 \| good	48.741 \| good	19.72 \| good	0.721 \| good	8.219 \| good	0.221 \| good
2025-12-09T23:00:00.000Z	52 \| moderate	9.764 \| good	43.631 \| good	20.383 \| good	0.701 \| good	9.372 \| good	0.225 \| good
2025-12-10T00:00:00.000Z	49 \| good	9.463 \| good	42.073 \| good	18.472 \| good	0.682 \| good	10.524 \| good	0.23 \| good
2025-12-10T01:00:00.000Z	44 \| good	7.533 \| good	33.148 \| good	17.087 \| good	0.676 \| good	8.997 \| good	0.219 \| good
2025-12-10T02:00:00.000Z	33 \| good	5.981 \| good	26.367 \| good	18.998 \| good	0.671 \| good	7.47 \| good	0.208 \| good
2025-12-10T03:00:00.000Z	38 \| good	6.5 \| good	29.061 \| good	22.87 \| good	0.665 \| good	5.943 \| good	0.197 \| good
2025-12-10T04:00:00.000Z	33 \| good	6.43 \| good	28.618 \| good	27.389 \| good	0.603 \| good	5.246 \| good	0.19 \| good
2025-12-10T05:00:00.000Z	33 \| good	5.661 \| good	24.359 \| good	28.718 \| good	0.542 \| good	4.549 \| good	0.184 \| good
2025-12-10T06:00:00.000Z	27 \| good	4.973 \| good	21.705 \| good	28.553 \| good	0.481 \| good	3.851 \| good	0.178 \| good
2025-12-10T07:00:00.000Z	33 \| good	5.942 \| good	26.405 \| good	25.336 \| good	0.431 \| good	3.247 \| good	0.158 \| good
2025-12-10T08:00:00.000Z	44 \| good	7.513 \| good	32.983 \| good	24.884 \| good	0.381 \| good	2.643 \| good	0.139 \| good
2025-12-10T09:00:00.000Z	38 \| good	6.964 \| good	30.773 \| good	21.147 \| good	0.331 \| good	2.039 \| good	0.119 \| good
2025-12-10T10:00:00.000Z	24 \| good	3.47 \| good	14.992 \| good	25.961 \| good	0.349 \| good	2.112 \| good	0.125 \| good
2025-12-10T11:00:00.000Z	22 \| good	1.554 \| good	6.524 \| good	23.769 \| good	0.367 \| good	2.186 \| good	0.13 \| good
2025-12-10T12:00:00.000Z	22 \| good	2.399 \| good	9.723 \| good	23.903 \| good	0.386 \| good	2.259 \| good	0.136 \| good
2025-12-10T13:00:00.000Z	38 \| good	7.312 \| good	32.186 \| good	16.923 \| good	0.486 \| good	3.222 \| good	0.156 \| good
2025-12-10T14:00:00.000Z	52 \| moderate	10.099 \| good	44.844 \| good	15.34 \| good	0.586 \| good	4.184 \| good	0.176 \| good
2025-12-10T15:00:00.000Z	38 \| good	6.719 \| good	30.013 \| good	21.03 \| good	0.686 \| good	5.146 \| good	0.196 \| good
2025-12-10T16:00:00.000Z	33 \| good	6.254 \| good	27.934 \| good	20.884 \| good	0.728 \| good	4.328 \| good	0.188 \| good
2025-12-10T17:00:00.000Z	27 \| good	4.874 \| good	20.968 \| good	23.351 \| good	0.77 \| good	3.511 \| good	0.18 \| good
2025-12-10T18:00:00.000Z	22 \| good	3.928 \| good	17.342 \| good	23.254 \| good	0.813 \| good	2.693 \| good	0.172 \| good
2025-12-10T19:00:00.000Z	22 \| good	4.266 \| good	18.542 \| good	23.158 \| good	0.802 \| good	3.055 \| good	0.171 \| good
2025-12-10T20:00:00.000Z	22 \| good	4.107 \| good	17.979 \| good	23.794 \| good	0.792 \| good	3.418 \| good	0.17 \| good
2025-12-10T21:00:00.000Z	22 \| good	3.567 \| good	15.525 \| good	22.761 \| good	0.782 \| good	3.78 \| good	0.169 \| good
2025-12-10T22:00:00.000Z	19 \| good	3.389 \| good	14.953 \| good	20.182 \| good	0.79 \| good	4.845 \| good	0.173 \| good
2025-12-10T23:00:00.000Z	17 \| good	2.99 \| good	12.847 \| good	17.95 \| good	0.799 \| good	5.91 \| good	0.178 \| good
2025-12-11T00:00:00.000Z	22 \| good	3.718 \| good	16.108 \| good	15.966 \| good	0.807 \| good	6.975 \| good	0.183 \| good
2025-12-11T01:00:00.000Z	16 \| good	3.324 \| good	14.639 \| good	13.429 \| good	0.81 \| good	6.723 \| good	0.178 \| good
2025-12-11T02:00:00.000Z	16 \| good	3.103 \| good	13.315 \| good	12.059 \| good	0.813 \| good	6.472 \| good	0.174 \| good
2025-12-11T03:00:00.000Z	22 \| good	3.738 \| good	16.172 \| good	14.778 \| good	0.816 \| good	6.22 \| good	0.17 \| good
2025-12-11T04:00:00.000Z	22 \| good	3.983 \| good	17.509 \| good	14.687 \| good	0.787 \| good	5.463 \| good	0.165 \| good
2025-12-11T05:00:00.000Z	16 \| good	3.197 \| good	13.851 \| good	10.763 \| good	0.757 \| good	4.705 \| good	0.16 \| good
2025-12-11T06:00:00.000Z	16 \| good	3.453 \| good	15.321 \| good	8.591 \| good	0.727 \| good	3.948 \| good	0.155 \| good
2025-12-11T07:00:00.000Z	22 \| good	4.109 \| good	18.262 \| good	9.543 \| good	0.677 \| good	3.757 \| good	0.154 \| good
2025-12-11T08:00:00.000Z	27 \| good	4.828 \| good	21.055 \| good	9.938 \| good	0.627 \| good	3.565 \| good	0.153 \| good
2025-12-11T09:00:00.000Z	27 \| good	4.927 \| good	21.396 \| good	8.409 \| good	0.577 \| good	3.374 \| good	0.152 \| good
2025-12-11T10:00:00.000Z	27 \| good	5.309 \| good	23.112 \| good	5.85 \| good	0.589 \| good	4.251 \| good	0.156 \| good
2025-12-11T11:00:00.000Z	22 \| good	4.006 \| good	17.256 \| good	6.25 \| good	0.601 \| good	5.128 \| good	0.161 \| good
2025-12-11T12:00:00.000Z	27 \| good	4.535 \| good	19.708 \| good	6.599 \| good	0.614 \| good	6.005 \| good	0.165 \| good
2025-12-11T13:00:00.000Z	22 \| good	4.188 \| good	18.33 \| good	7.422 \| good	0.703 \| good	6.764 \| good	0.181 \| good
2025-12-11T14:00:00.000Z	16 \| good	3.251 \| good	13.872 \| good	16.241 \| good	0.793 \| good	7.524 \| good	0.197 \| good

Live air quality index in Romeoville, Illinois today

Major air pollutants in Romeoville, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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

Air quality in nearby cities

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Frequently asked questions

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

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

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

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