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

The PM10 concentration in Romeoville, Illinois is 55.903 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 2.831 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 25.205 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 2.213 ppb.

Live air quality index in Romeoville, Illinois today

Name: Live air pollution levels in Romeoville, Illinois today
Creator: Ambee

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)

19.82 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

80.43 μg/m³

155

255

425

605+

Ozone (O₃)

63.17 ppb

201

201+

Sulfur Dioxide (SO₂)

1.30 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.94 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.23 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
2025-07-20T00:00:00.000Z	36 \| good	4.977 \| good	19.477 \| good	39.219 \| good	0.367 \| good	3.443 \| good	0.322 \| good
2025-07-20T01:00:00.000Z	38 \| good	4.644 \| good	19.027 \| good	41.227 \| good	0.458 \| good	4.857 \| good	0.357 \| good
2025-07-20T02:00:00.000Z	40 \| good	3.805 \| good	15.54 \| good	42.588 \| good	0.485 \| good	5.192 \| good	0.376 \| good
2025-07-20T03:00:00.000Z	38 \| good	3.508 \| good	17.101 \| good	41.308 \| good	0.38 \| good	7.901 \| good	0.381 \| good
2025-07-20T04:00:00.000Z	34 \| good	3.989 \| good	18.22 \| good	37.235 \| good	0.337 \| good	6.984 \| good	0.371 \| good
2025-07-20T05:00:00.000Z	31 \| good	4.028 \| good	17.899 \| good	33.077 \| good	0.337 \| good	7.564 \| good	0.336 \| good
2025-07-20T06:00:00.000Z	29 \| good	3.734 \| good	16.663 \| good	30.841 \| good	0.42 \| good	7.365 \| good	0.292 \| good
2025-07-20T07:00:00.000Z	29 \| good	4.024 \| good	17.87 \| good	31.387 \| good	0.316 \| good	5.096 \| good	0.272 \| good
2025-07-20T08:00:00.000Z	28 \| good	3.972 \| good	16.252 \| good	30.029 \| good	0.287 \| good	5.193 \| good	0.267 \| good
2025-07-20T09:00:00.000Z	27 \| good	3.853 \| good	18.412 \| good	29.097 \| good	0.346 \| good	6.881 \| good	0.232 \| good
2025-07-20T10:00:00.000Z	25 \| good	4.336 \| good	19.647 \| good	26.787 \| good	0.408 \| good	9.051 \| good	0.28 \| good
2025-07-20T11:00:00.000Z	27 \| good	4.926 \| good	21.008 \| good	22.854 \| good	0.424 \| good	4.845 \| good	0.163 \| good
2025-07-20T12:00:00.000Z	27 \| good	4.612 \| good	21.204 \| good	27.611 \| good	0.356 \| good	1.226 \| good	0.163 \| good
2025-07-20T13:00:00.000Z	27 \| good	5.021 \| good	20.733 \| good	27.918 \| good	0.321 \| good	1.516 \| good	0.167 \| good
2025-07-20T14:00:00.000Z	27 \| good	4.882 \| good	19.697 \| good	24.555 \| good	0.237 \| good	2.24 \| good	0.243 \| good
2025-07-20T15:00:00.000Z	28 \| good	4.723 \| good	19.855 \| good	30.275 \| good	0.406 \| good	2.251 \| good	0.217 \| good
2025-07-20T16:00:00.000Z	30 \| good	4.229 \| good	17.943 \| good	32.432 \| good	0.387 \| good	2.378 \| good	0.219 \| good
2025-07-20T17:00:00.000Z	28 \| good	4.187 \| good	19.708 \| good	29.979 \| good	0.449 \| good	3.4 \| good	0.217 \| good
2025-07-20T18:00:00.000Z	28 \| good	4.53 \| good	19.666 \| good	29.835 \| good	0.475 \| good	1.639 \| good	0.232 \| good
2025-07-20T19:00:00.000Z	31 \| good	4.971 \| good	22.617 \| good	32.548 \| good	0.483 \| good	1.694 \| good	0.232 \| good
2025-07-20T20:00:00.000Z	33 \| good	5.728 \| good	23.063 \| good	33.623 \| good	0.502 \| good	1.445 \| good	0.203 \| good
2025-07-20T21:00:00.000Z	38 \| good	7.091 \| good	24.927 \| good	36.328 \| good	0.538 \| good	1.36 \| good	0.203 \| good
2025-07-20T22:00:00.000Z	38 \| good	6.7 \| good	29.113 \| good	35.389 \| good	0.439 \| good	2.299 \| good	0.203 \| good
2025-07-20T23:00:00.000Z	33 \| good	6.456 \| good	34.038 \| good	35.941 \| good	0.403 \| good	3.599 \| good	0.237 \| good
2025-07-21T00:00:00.000Z	33 \| good	5.715 \| good	25.728 \| good	34.683 \| good	0.398 \| good	3.564 \| good	0.281 \| good
2025-07-21T01:00:00.000Z	33 \| good	6.051 \| good	27.341 \| good	34.269 \| good	0.427 \| good	3.867 \| good	0.285 \| good
2025-07-21T02:00:00.000Z	33 \| good	5.835 \| good	25.469 \| good	31.376 \| good	0.482 \| good	5.347 \| good	0.285 \| good
2025-07-21T03:00:00.000Z	33 \| good	5.813 \| good	22.615 \| good	32.05 \| good	0.413 \| good	4.714 \| good	0.289 \| good
2025-07-21T04:00:00.000Z	33 \| good	6.368 \| good	26.492 \| good	32.968 \| good	0.327 \| good	4.126 \| good	0.25 \| good
2025-07-21T05:00:00.000Z	58 \| moderate	12.81 \| fine	43.341 \| good	31.502 \| good	0.415 \| good	1.723 \| good	0.263 \| good
2025-07-21T06:00:00.000Z	62 \| moderate	14.523 \| fine	63.936 \| fine	27.417 \| good	0.48 \| good	3.371 \| good	0.243 \| good
2025-07-21T07:00:00.000Z	91 \| moderate	29.898 \| fine	135.028 \| fine	26.099 \| good	0.599 \| good	1.81 \| good	0.23 \| good
2025-07-21T08:00:00.000Z	84 \| moderate	26.557 \| fine	120.516 \| fine	24.63 \| good	0.414 \| good	3.069 \| good	0.202 \| good
2025-07-21T09:00:00.000Z	88 \| moderate	29.149 \| fine	118.806 \| fine	19.879 \| good	0.373 \| good	4.042 \| good	0.21 \| good
2025-07-21T10:00:00.000Z	117 \| sensitive	41.708 \| moderate	180.779 \| moderate	20.539 \| good	0.437 \| good	5.304 \| good	0.21 \| good
2025-07-21T11:00:00.000Z	117 \| sensitive	41.85 \| moderate	169.052 \| moderate	18.072 \| good	0.742 \| good	4.664 \| good	0.176 \| good
2025-07-21T12:00:00.000Z	99 \| moderate	34.731 \| fine	133.942 \| fine	15.694 \| good	1.012 \| good	6.193 \| good	0.176 \| good
2025-07-21T13:00:00.000Z	81 \| moderate	24.875 \| fine	115.495 \| fine	14.367 \| good	1.074 \| good	7.208 \| good	0.177 \| good
2025-07-21T14:00:00.000Z	67 \| moderate	17.945 \| fine	82.199 \| fine	18.226 \| good	0.87 \| good	4.491 \| good	0.157 \| good
2025-07-21T15:00:00.000Z	67 \| moderate	17.519 \| fine	65.345 \| fine	22.353 \| good	2.736 \| good	3.776 \| good	0.157 \| good
2025-07-21T16:00:00.000Z	62 \| moderate	15.264 \| fine	55.903 \| fine	25.205 \| good	2.831 \| good	2.213 \| good	0.142 \| good
2025-07-21T17:00:00.000Z	58 \| moderate	13.298 \| fine	60.175 \| fine	31.421 \| good	1.298 \| good	1.565 \| good	0.123 \| good
2025-07-21T18:00:00.000Z	60 \| moderate	13.557 \| fine	59.297 \| fine	36.331 \| good	1.132 \| good	1.751 \| good	0.166 \| good
2025-07-21T19:00:00.000Z	64 \| moderate	15.608 \| fine	60.224 \| fine	44.141 \| good	1.483 \| good	1.839 \| good	0.19 \| good
2025-07-21T20:00:00.000Z	64 \| moderate	16.367 \| fine	73.379 \| fine	49.929 \| good	0.945 \| good	1.4 \| good	0.179 \| good
2025-07-21T21:00:00.000Z	67 \| moderate	17.792 \| fine	70.934 \| fine	53.963 \| good	2.145 \| good	1.452 \| good	0.186 \| good
2025-07-21T22:00:00.000Z	74 \| moderate	21.148 \| fine	91.262 \| fine	61.631 \| fine	2.227 \| good	1.611 \| good	0.221 \| good
2025-07-21T23:00:00.000Z	77 \| moderate	19.815 \| fine	80.431 \| fine	63.171 \| fine	1.299 \| good	1.937 \| good	0.232 \| good
2025-07-21T23:00:00.000Z	77 \| moderate	19.815 \| fine	80.431 \| fine	63.171 \| fine	1.299 \| good	1.937 \| good	0.232 \| good
2025-07-21T17:00:00.000Z	60 \| moderate	14.007 \| fine	63.032 \| fine	52.568 \| good	2.008 \| good	2.669 \| good	0.258 \| good
2025-07-21T18:00:00.000Z	62 \| moderate	15.247 \| fine	67.654 \| fine	56.886 \| fine	2.041 \| good	1.771 \| good	0.244 \| good
2025-07-21T19:00:00.000Z	71 \| moderate	16.967 \| fine	75.48 \| fine	60.894 \| fine	2.009 \| good	1.82 \| good	0.245 \| good
2025-07-21T20:00:00.000Z	74 \| moderate	17.453 \| fine	77.555 \| fine	61.784 \| fine	1.978 \| good	1.869 \| good	0.246 \| good
2025-07-21T21:00:00.000Z	77 \| moderate	19.165 \| fine	84.734 \| fine	63.492 \| fine	1.947 \| good	1.918 \| good	0.247 \| good
2025-07-21T22:00:00.000Z	71 \| moderate	19.918 \| fine	87.437 \| fine	57.478 \| fine	1.889 \| good	3.247 \| good	0.257 \| good
2025-07-21T23:00:00.000Z	71 \| moderate	20.04 \| fine	88.519 \| fine	52.055 \| good	1.832 \| good	4.576 \| good	0.268 \| good
2025-07-22T00:00:00.000Z	69 \| moderate	19.041 \| fine	83.835 \| fine	46.074 \| good	1.774 \| good	5.906 \| good	0.279 \| good
2025-07-22T01:00:00.000Z	62 \| moderate	15.023 \| fine	67.214 \| fine	36.985 \| good	1.753 \| good	7.602 \| good	0.291 \| good
2025-07-22T02:00:00.000Z	58 \| moderate	12.548 \| fine	56.467 \| fine	33.937 \| good	1.732 \| good	9.298 \| good	0.303 \| good
2025-07-22T03:00:00.000Z	52 \| moderate	10.041 \| good	44.58 \| good	29.397 \| good	1.712 \| good	10.994 \| good	0.314 \| good
2025-07-22T04:00:00.000Z	52 \| moderate	10.332 \| good	45.978 \| good	23.872 \| good	1.708 \| good	11.006 \| good	0.315 \| good
2025-07-22T05:00:00.000Z	54 \| moderate	10.709 \| good	47.368 \| good	24.284 \| good	1.705 \| good	11.018 \| good	0.316 \| good
2025-07-22T06:00:00.000Z	56 \| moderate	12.415 \| fine	56.206 \| fine	21.428 \| good	1.701 \| good	11.03 \| good	0.317 \| good
2025-07-22T07:00:00.000Z	58 \| moderate	13.258 \| fine	59.572 \| fine	19.597 \| good	1.785 \| good	10.513 \| good	0.314 \| good
2025-07-22T08:00:00.000Z	62 \| moderate	14.834 \| fine	66.322 \| fine	18.837 \| good	1.869 \| good	9.997 \| good	0.312 \| good
2025-07-22T09:00:00.000Z	67 \| moderate	18.357 \| fine	80.637 \| fine	18.295 \| good	1.952 \| good	9.48 \| good	0.31 \| good
2025-07-22T10:00:00.000Z	75 \| moderate	22.21 \| fine	97.386 \| fine	20.071 \| good	1.863 \| good	8.864 \| good	0.31 \| good
2025-07-22T11:00:00.000Z	77 \| moderate	23.018 \| fine	100.973 \| fine	18.787 \| good	1.773 \| good	8.248 \| good	0.31 \| good
2025-07-22T12:00:00.000Z	73 \| moderate	21.053 \| fine	93.078 \| fine	24.735 \| good	1.684 \| good	7.632 \| good	0.31 \| good
2025-07-22T13:00:00.000Z	67 \| moderate	18.317 \| fine	81.294 \| fine	32.521 \| good	1.831 \| good	6.804 \| good	0.31 \| good
2025-07-22T14:00:00.000Z	66 \| moderate	17.066 \| fine	75.33 \| fine	36.747 \| good	1.979 \| good	5.976 \| good	0.31 \| good
2025-07-22T15:00:00.000Z	64 \| moderate	16.215 \| fine	72.179 \| fine	39.293 \| good	2.126 \| good	5.148 \| good	0.31 \| good
2025-07-22T16:00:00.000Z	62 \| moderate	15.112 \| fine	67.054 \| fine	41.336 \| good	2.261 \| good	3.975 \| good	0.287 \| good
2025-07-22T17:00:00.000Z	60 \| moderate	14.253 \| fine	64.022 \| fine	49.477 \| good	2.395 \| good	2.802 \| good	0.264 \| good
2025-07-22T18:00:00.000Z	58 \| moderate	13.203 \| fine	59.567 \| fine	50.859 \| good	2.53 \| good	1.628 \| good	0.241 \| good
2025-07-22T19:00:00.000Z	56 \| moderate	11.774 \| good	52.198 \| good	49.748 \| good	2.386 \| good	1.735 \| good	0.234 \| good
2025-07-22T20:00:00.000Z	56 \| moderate	11.96 \| good	53.2 \| good	50.548 \| good	2.242 \| good	1.842 \| good	0.226 \| good
2025-07-22T21:00:00.000Z	56 \| moderate	12.292 \| fine	55.397 \| fine	50.998 \| good	2.098 \| good	1.949 \| good	0.219 \| good
2025-07-22T22:00:00.000Z	58 \| moderate	13.349 \| fine	59.708 \| fine	49.549 \| good	1.961 \| good	3.043 \| good	0.222 \| good
2025-07-22T23:00:00.000Z	58 \| moderate	13.392 \| fine	60.083 \| fine	43.885 \| good	1.825 \| good	4.136 \| good	0.225 \| good
2025-07-23T00:00:00.000Z	60 \| moderate	14.016 \| fine	62.787 \| fine	37.617 \| good	1.689 \| good	5.23 \| good	0.229 \| good
2025-07-23T01:00:00.000Z	56 \| moderate	11.711 \| good	51.346 \| good	37.629 \| good	1.77 \| good	6.599 \| good	0.24 \| good
2025-07-23T02:00:00.000Z	52 \| moderate	10.496 \| good	46.34 \| good	34.935 \| good	1.851 \| good	7.969 \| good	0.252 \| good
2025-07-23T03:00:00.000Z	54 \| moderate	11.362 \| good	50.299 \| good	32.061 \| good	1.932 \| good	9.339 \| good	0.263 \| good
2025-07-23T04:00:00.000Z	54 \| moderate	10.853 \| good	48.151 \| good	30.179 \| good	1.949 \| good	8.52 \| good	0.26 \| good
2025-07-23T05:00:00.000Z	54 \| moderate	10.945 \| good	48.647 \| good	29.983 \| good	1.966 \| good	7.701 \| good	0.257 \| good
2025-07-23T06:00:00.000Z	52 \| moderate	9.776 \| good	43.483 \| good	28.469 \| good	1.983 \| good	6.883 \| good	0.254 \| good
2025-07-23T07:00:00.000Z	52 \| moderate	10.111 \| good	44.801 \| good	28.766 \| good	1.971 \| good	6.447 \| good	0.25 \| good
2025-07-23T08:00:00.000Z	52 \| moderate	10.243 \| good	44.949 \| good	23.187 \| good	1.959 \| good	6.011 \| good	0.246 \| good
2025-07-23T09:00:00.000Z	56 \| moderate	11.661 \| good	51.544 \| good	19.397 \| good	1.947 \| good	5.576 \| good	0.242 \| good
2025-07-23T10:00:00.000Z	62 \| moderate	15.496 \| fine	69.267 \| fine	21.416 \| good	1.961 \| good	5.457 \| good	0.244 \| good
2025-07-23T11:00:00.000Z	64 \| moderate	15.528 \| fine	69.308 \| fine	23.397 \| good	1.975 \| good	5.339 \| good	0.246 \| good
2025-07-23T12:00:00.000Z	64 \| moderate	16.157 \| fine	71.613 \| fine	27.742 \| good	1.989 \| good	5.221 \| good	0.247 \| good
2025-07-23T13:00:00.000Z	66 \| moderate	17.227 \| fine	76.389 \| fine	36.275 \| good	2.59 \| good	4.576 \| good	0.249 \| good
2025-07-23T14:00:00.000Z	66 \| moderate	16.767 \| fine	74.429 \| fine	42.727 \| good	3.192 \| good	3.93 \| good	0.25 \| good
2025-07-23T15:00:00.000Z	64 \| moderate	16.012 \| fine	71.418 \| fine	46.686 \| good	3.793 \| good	3.285 \| good	0.252 \| good
2025-07-23T16:00:00.000Z	66 \| moderate	16.526 \| fine	73.275 \| fine	50.616 \| good	3.761 \| good	2.717 \| good	0.237 \| good

Romeoville

Get reliable air quality data to drive your business

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

0.16ppm

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 11:00:00 on 2025-07-21.

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 06:00:00 on 2025-07-20.

What is the AQI in Romeoville, Illinois right now?

As of now, the AQI in Romeoville, Illinois is 62, 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 15.264 μg/m³.

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

The PM₁₀ concentration in Romeoville, Illinois is 55.903 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 0.142 ppm.

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

Currently, Romeoville, Illinois has a sulfur dioxide (SO₂) concentration of 2.831 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 25.205 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 2.213 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-20T00:00:00.000Z	36 \| good	4.977 \| good	19.477 \| good	39.219 \| good	0.367 \| good	3.443 \| good	0.322 \| good
2025-07-20T01:00:00.000Z	38 \| good	4.644 \| good	19.027 \| good	41.227 \| good	0.458 \| good	4.857 \| good	0.357 \| good
2025-07-20T02:00:00.000Z	40 \| good	3.805 \| good	15.54 \| good	42.588 \| good	0.485 \| good	5.192 \| good	0.376 \| good
2025-07-20T03:00:00.000Z	38 \| good	3.508 \| good	17.101 \| good	41.308 \| good	0.38 \| good	7.901 \| good	0.381 \| good
2025-07-20T04:00:00.000Z	34 \| good	3.989 \| good	18.22 \| good	37.235 \| good	0.337 \| good	6.984 \| good	0.371 \| good
2025-07-20T05:00:00.000Z	31 \| good	4.028 \| good	17.899 \| good	33.077 \| good	0.337 \| good	7.564 \| good	0.336 \| good
2025-07-20T06:00:00.000Z	29 \| good	3.734 \| good	16.663 \| good	30.841 \| good	0.42 \| good	7.365 \| good	0.292 \| good
2025-07-20T07:00:00.000Z	29 \| good	4.024 \| good	17.87 \| good	31.387 \| good	0.316 \| good	5.096 \| good	0.272 \| good
2025-07-20T08:00:00.000Z	28 \| good	3.972 \| good	16.252 \| good	30.029 \| good	0.287 \| good	5.193 \| good	0.267 \| good
2025-07-20T09:00:00.000Z	27 \| good	3.853 \| good	18.412 \| good	29.097 \| good	0.346 \| good	6.881 \| good	0.232 \| good
2025-07-20T10:00:00.000Z	25 \| good	4.336 \| good	19.647 \| good	26.787 \| good	0.408 \| good	9.051 \| good	0.28 \| good
2025-07-20T11:00:00.000Z	27 \| good	4.926 \| good	21.008 \| good	22.854 \| good	0.424 \| good	4.845 \| good	0.163 \| good
2025-07-20T12:00:00.000Z	27 \| good	4.612 \| good	21.204 \| good	27.611 \| good	0.356 \| good	1.226 \| good	0.163 \| good
2025-07-20T13:00:00.000Z	27 \| good	5.021 \| good	20.733 \| good	27.918 \| good	0.321 \| good	1.516 \| good	0.167 \| good
2025-07-20T14:00:00.000Z	27 \| good	4.882 \| good	19.697 \| good	24.555 \| good	0.237 \| good	2.24 \| good	0.243 \| good
2025-07-20T15:00:00.000Z	28 \| good	4.723 \| good	19.855 \| good	30.275 \| good	0.406 \| good	2.251 \| good	0.217 \| good
2025-07-20T16:00:00.000Z	30 \| good	4.229 \| good	17.943 \| good	32.432 \| good	0.387 \| good	2.378 \| good	0.219 \| good
2025-07-20T17:00:00.000Z	28 \| good	4.187 \| good	19.708 \| good	29.979 \| good	0.449 \| good	3.4 \| good	0.217 \| good
2025-07-20T18:00:00.000Z	28 \| good	4.53 \| good	19.666 \| good	29.835 \| good	0.475 \| good	1.639 \| good	0.232 \| good
2025-07-20T19:00:00.000Z	31 \| good	4.971 \| good	22.617 \| good	32.548 \| good	0.483 \| good	1.694 \| good	0.232 \| good
2025-07-20T20:00:00.000Z	33 \| good	5.728 \| good	23.063 \| good	33.623 \| good	0.502 \| good	1.445 \| good	0.203 \| good
2025-07-20T21:00:00.000Z	38 \| good	7.091 \| good	24.927 \| good	36.328 \| good	0.538 \| good	1.36 \| good	0.203 \| good
2025-07-20T22:00:00.000Z	38 \| good	6.7 \| good	29.113 \| good	35.389 \| good	0.439 \| good	2.299 \| good	0.203 \| good
2025-07-20T23:00:00.000Z	33 \| good	6.456 \| good	34.038 \| good	35.941 \| good	0.403 \| good	3.599 \| good	0.237 \| good
2025-07-21T00:00:00.000Z	33 \| good	5.715 \| good	25.728 \| good	34.683 \| good	0.398 \| good	3.564 \| good	0.281 \| good
2025-07-21T01:00:00.000Z	33 \| good	6.051 \| good	27.341 \| good	34.269 \| good	0.427 \| good	3.867 \| good	0.285 \| good
2025-07-21T02:00:00.000Z	33 \| good	5.835 \| good	25.469 \| good	31.376 \| good	0.482 \| good	5.347 \| good	0.285 \| good
2025-07-21T03:00:00.000Z	33 \| good	5.813 \| good	22.615 \| good	32.05 \| good	0.413 \| good	4.714 \| good	0.289 \| good
2025-07-21T04:00:00.000Z	33 \| good	6.368 \| good	26.492 \| good	32.968 \| good	0.327 \| good	4.126 \| good	0.25 \| good
2025-07-21T05:00:00.000Z	58 \| moderate	12.81 \| fine	43.341 \| good	31.502 \| good	0.415 \| good	1.723 \| good	0.263 \| good
2025-07-21T06:00:00.000Z	62 \| moderate	14.523 \| fine	63.936 \| fine	27.417 \| good	0.48 \| good	3.371 \| good	0.243 \| good
2025-07-21T07:00:00.000Z	91 \| moderate	29.898 \| fine	135.028 \| fine	26.099 \| good	0.599 \| good	1.81 \| good	0.23 \| good
2025-07-21T08:00:00.000Z	84 \| moderate	26.557 \| fine	120.516 \| fine	24.63 \| good	0.414 \| good	3.069 \| good	0.202 \| good
2025-07-21T09:00:00.000Z	88 \| moderate	29.149 \| fine	118.806 \| fine	19.879 \| good	0.373 \| good	4.042 \| good	0.21 \| good
2025-07-21T10:00:00.000Z	117 \| sensitive	41.708 \| moderate	180.779 \| moderate	20.539 \| good	0.437 \| good	5.304 \| good	0.21 \| good
2025-07-21T11:00:00.000Z	117 \| sensitive	41.85 \| moderate	169.052 \| moderate	18.072 \| good	0.742 \| good	4.664 \| good	0.176 \| good
2025-07-21T12:00:00.000Z	99 \| moderate	34.731 \| fine	133.942 \| fine	15.694 \| good	1.012 \| good	6.193 \| good	0.176 \| good
2025-07-21T13:00:00.000Z	81 \| moderate	24.875 \| fine	115.495 \| fine	14.367 \| good	1.074 \| good	7.208 \| good	0.177 \| good
2025-07-21T14:00:00.000Z	67 \| moderate	17.945 \| fine	82.199 \| fine	18.226 \| good	0.87 \| good	4.491 \| good	0.157 \| good
2025-07-21T15:00:00.000Z	67 \| moderate	17.519 \| fine	65.345 \| fine	22.353 \| good	2.736 \| good	3.776 \| good	0.157 \| good
2025-07-21T16:00:00.000Z	62 \| moderate	15.264 \| fine	55.903 \| fine	25.205 \| good	2.831 \| good	2.213 \| good	0.142 \| good
2025-07-21T17:00:00.000Z	58 \| moderate	13.298 \| fine	60.175 \| fine	31.421 \| good	1.298 \| good	1.565 \| good	0.123 \| good
2025-07-21T18:00:00.000Z	60 \| moderate	13.557 \| fine	59.297 \| fine	36.331 \| good	1.132 \| good	1.751 \| good	0.166 \| good
2025-07-21T19:00:00.000Z	64 \| moderate	15.608 \| fine	60.224 \| fine	44.141 \| good	1.483 \| good	1.839 \| good	0.19 \| good
2025-07-21T20:00:00.000Z	64 \| moderate	16.367 \| fine	73.379 \| fine	49.929 \| good	0.945 \| good	1.4 \| good	0.179 \| good
2025-07-21T21:00:00.000Z	67 \| moderate	17.792 \| fine	70.934 \| fine	53.963 \| good	2.145 \| good	1.452 \| good	0.186 \| good
2025-07-21T22:00:00.000Z	74 \| moderate	21.148 \| fine	91.262 \| fine	61.631 \| fine	2.227 \| good	1.611 \| good	0.221 \| good
2025-07-21T23:00:00.000Z	77 \| moderate	19.815 \| fine	80.431 \| fine	63.171 \| fine	1.299 \| good	1.937 \| good	0.232 \| good
2025-07-21T23:00:00.000Z	77 \| moderate	19.815 \| fine	80.431 \| fine	63.171 \| fine	1.299 \| good	1.937 \| good	0.232 \| good
2025-07-21T17:00:00.000Z	60 \| moderate	14.007 \| fine	63.032 \| fine	52.568 \| good	2.008 \| good	2.669 \| good	0.258 \| good
2025-07-21T18:00:00.000Z	62 \| moderate	15.247 \| fine	67.654 \| fine	56.886 \| fine	2.041 \| good	1.771 \| good	0.244 \| good
2025-07-21T19:00:00.000Z	71 \| moderate	16.967 \| fine	75.48 \| fine	60.894 \| fine	2.009 \| good	1.82 \| good	0.245 \| good
2025-07-21T20:00:00.000Z	74 \| moderate	17.453 \| fine	77.555 \| fine	61.784 \| fine	1.978 \| good	1.869 \| good	0.246 \| good
2025-07-21T21:00:00.000Z	77 \| moderate	19.165 \| fine	84.734 \| fine	63.492 \| fine	1.947 \| good	1.918 \| good	0.247 \| good
2025-07-21T22:00:00.000Z	71 \| moderate	19.918 \| fine	87.437 \| fine	57.478 \| fine	1.889 \| good	3.247 \| good	0.257 \| good
2025-07-21T23:00:00.000Z	71 \| moderate	20.04 \| fine	88.519 \| fine	52.055 \| good	1.832 \| good	4.576 \| good	0.268 \| good
2025-07-22T00:00:00.000Z	69 \| moderate	19.041 \| fine	83.835 \| fine	46.074 \| good	1.774 \| good	5.906 \| good	0.279 \| good
2025-07-22T01:00:00.000Z	62 \| moderate	15.023 \| fine	67.214 \| fine	36.985 \| good	1.753 \| good	7.602 \| good	0.291 \| good
2025-07-22T02:00:00.000Z	58 \| moderate	12.548 \| fine	56.467 \| fine	33.937 \| good	1.732 \| good	9.298 \| good	0.303 \| good
2025-07-22T03:00:00.000Z	52 \| moderate	10.041 \| good	44.58 \| good	29.397 \| good	1.712 \| good	10.994 \| good	0.314 \| good
2025-07-22T04:00:00.000Z	52 \| moderate	10.332 \| good	45.978 \| good	23.872 \| good	1.708 \| good	11.006 \| good	0.315 \| good
2025-07-22T05:00:00.000Z	54 \| moderate	10.709 \| good	47.368 \| good	24.284 \| good	1.705 \| good	11.018 \| good	0.316 \| good
2025-07-22T06:00:00.000Z	56 \| moderate	12.415 \| fine	56.206 \| fine	21.428 \| good	1.701 \| good	11.03 \| good	0.317 \| good
2025-07-22T07:00:00.000Z	58 \| moderate	13.258 \| fine	59.572 \| fine	19.597 \| good	1.785 \| good	10.513 \| good	0.314 \| good
2025-07-22T08:00:00.000Z	62 \| moderate	14.834 \| fine	66.322 \| fine	18.837 \| good	1.869 \| good	9.997 \| good	0.312 \| good
2025-07-22T09:00:00.000Z	67 \| moderate	18.357 \| fine	80.637 \| fine	18.295 \| good	1.952 \| good	9.48 \| good	0.31 \| good
2025-07-22T10:00:00.000Z	75 \| moderate	22.21 \| fine	97.386 \| fine	20.071 \| good	1.863 \| good	8.864 \| good	0.31 \| good
2025-07-22T11:00:00.000Z	77 \| moderate	23.018 \| fine	100.973 \| fine	18.787 \| good	1.773 \| good	8.248 \| good	0.31 \| good
2025-07-22T12:00:00.000Z	73 \| moderate	21.053 \| fine	93.078 \| fine	24.735 \| good	1.684 \| good	7.632 \| good	0.31 \| good
2025-07-22T13:00:00.000Z	67 \| moderate	18.317 \| fine	81.294 \| fine	32.521 \| good	1.831 \| good	6.804 \| good	0.31 \| good
2025-07-22T14:00:00.000Z	66 \| moderate	17.066 \| fine	75.33 \| fine	36.747 \| good	1.979 \| good	5.976 \| good	0.31 \| good
2025-07-22T15:00:00.000Z	64 \| moderate	16.215 \| fine	72.179 \| fine	39.293 \| good	2.126 \| good	5.148 \| good	0.31 \| good
2025-07-22T16:00:00.000Z	62 \| moderate	15.112 \| fine	67.054 \| fine	41.336 \| good	2.261 \| good	3.975 \| good	0.287 \| good
2025-07-22T17:00:00.000Z	60 \| moderate	14.253 \| fine	64.022 \| fine	49.477 \| good	2.395 \| good	2.802 \| good	0.264 \| good
2025-07-22T18:00:00.000Z	58 \| moderate	13.203 \| fine	59.567 \| fine	50.859 \| good	2.53 \| good	1.628 \| good	0.241 \| good
2025-07-22T19:00:00.000Z	56 \| moderate	11.774 \| good	52.198 \| good	49.748 \| good	2.386 \| good	1.735 \| good	0.234 \| good
2025-07-22T20:00:00.000Z	56 \| moderate	11.96 \| good	53.2 \| good	50.548 \| good	2.242 \| good	1.842 \| good	0.226 \| good
2025-07-22T21:00:00.000Z	56 \| moderate	12.292 \| fine	55.397 \| fine	50.998 \| good	2.098 \| good	1.949 \| good	0.219 \| good
2025-07-22T22:00:00.000Z	58 \| moderate	13.349 \| fine	59.708 \| fine	49.549 \| good	1.961 \| good	3.043 \| good	0.222 \| good
2025-07-22T23:00:00.000Z	58 \| moderate	13.392 \| fine	60.083 \| fine	43.885 \| good	1.825 \| good	4.136 \| good	0.225 \| good
2025-07-23T00:00:00.000Z	60 \| moderate	14.016 \| fine	62.787 \| fine	37.617 \| good	1.689 \| good	5.23 \| good	0.229 \| good
2025-07-23T01:00:00.000Z	56 \| moderate	11.711 \| good	51.346 \| good	37.629 \| good	1.77 \| good	6.599 \| good	0.24 \| good
2025-07-23T02:00:00.000Z	52 \| moderate	10.496 \| good	46.34 \| good	34.935 \| good	1.851 \| good	7.969 \| good	0.252 \| good
2025-07-23T03:00:00.000Z	54 \| moderate	11.362 \| good	50.299 \| good	32.061 \| good	1.932 \| good	9.339 \| good	0.263 \| good
2025-07-23T04:00:00.000Z	54 \| moderate	10.853 \| good	48.151 \| good	30.179 \| good	1.949 \| good	8.52 \| good	0.26 \| good
2025-07-23T05:00:00.000Z	54 \| moderate	10.945 \| good	48.647 \| good	29.983 \| good	1.966 \| good	7.701 \| good	0.257 \| good
2025-07-23T06:00:00.000Z	52 \| moderate	9.776 \| good	43.483 \| good	28.469 \| good	1.983 \| good	6.883 \| good	0.254 \| good
2025-07-23T07:00:00.000Z	52 \| moderate	10.111 \| good	44.801 \| good	28.766 \| good	1.971 \| good	6.447 \| good	0.25 \| good
2025-07-23T08:00:00.000Z	52 \| moderate	10.243 \| good	44.949 \| good	23.187 \| good	1.959 \| good	6.011 \| good	0.246 \| good
2025-07-23T09:00:00.000Z	56 \| moderate	11.661 \| good	51.544 \| good	19.397 \| good	1.947 \| good	5.576 \| good	0.242 \| good
2025-07-23T10:00:00.000Z	62 \| moderate	15.496 \| fine	69.267 \| fine	21.416 \| good	1.961 \| good	5.457 \| good	0.244 \| good
2025-07-23T11:00:00.000Z	64 \| moderate	15.528 \| fine	69.308 \| fine	23.397 \| good	1.975 \| good	5.339 \| good	0.246 \| good
2025-07-23T12:00:00.000Z	64 \| moderate	16.157 \| fine	71.613 \| fine	27.742 \| good	1.989 \| good	5.221 \| good	0.247 \| good
2025-07-23T13:00:00.000Z	66 \| moderate	17.227 \| fine	76.389 \| fine	36.275 \| good	2.59 \| good	4.576 \| good	0.249 \| good
2025-07-23T14:00:00.000Z	66 \| moderate	16.767 \| fine	74.429 \| fine	42.727 \| good	3.192 \| good	3.93 \| good	0.25 \| good
2025-07-23T15:00:00.000Z	64 \| moderate	16.012 \| fine	71.418 \| fine	46.686 \| good	3.793 \| good	3.285 \| good	0.252 \| good
2025-07-23T16:00:00.000Z	66 \| moderate	16.526 \| fine	73.275 \| fine	50.616 \| good	3.761 \| good	2.717 \| good	0.237 \| 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)

Track live Romeoville, Illinois air quality forecast and history

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

Air quality in nearby cities

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Lockport, Illinois

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Woodridge, Illinois

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Frequently asked questions

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

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

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

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

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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?

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

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?