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

The PM10 concentration in Romeoville, Illinois is 64.367 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 0.903 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 6.75 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 13.252 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 13.68 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)

13.68 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

64.37 μg/m³

155

255

425

605+

Ozone (O₃)

6.75 ppb

201

201+

Sulfur Dioxide (SO₂)

0.90 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

13.25 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.30 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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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
2026-03-04T16:00:00.000Z	82 \| moderate	26.223 \| fine	116.379 \| fine	14.206 \| good	0.537 \| good	10.172 \| good	0.271 \| good
2026-03-04T17:00:00.000Z	82 \| moderate	25.65 \| fine	109.711 \| fine	16.333 \| good	0.785 \| good	6.56 \| good	0.249 \| good
2026-03-04T18:00:00.000Z	88 \| moderate	28.541 \| fine	119.618 \| fine	19.126 \| good	0.726 \| good	6.304 \| good	0.26 \| good
2026-03-04T19:00:00.000Z	84 \| moderate	27.041 \| fine	98.861 \| fine	19.273 \| good	0.705 \| good	5.482 \| good	0.244 \| good
2026-03-04T20:00:00.000Z	90 \| moderate	26.289 \| fine	134.288 \| fine	17.079 \| good	0.728 \| good	8.265 \| good	0.239 \| good
2026-03-04T21:00:00.000Z	82 \| moderate	25.965 \| fine	116.68 \| fine	13.985 \| good	1.163 \| good	8.807 \| good	0.212 \| good
2026-03-04T22:00:00.000Z	84 \| moderate	26.913 \| fine	115.786 \| fine	11.351 \| good	1.131 \| good	9.86 \| good	0.278 \| good
2026-03-04T23:00:00.000Z	92 \| moderate	30.959 \| fine	130.319 \| fine	12.507 \| good	0.946 \| good	14.953 \| good	0.271 \| good
2026-03-05T00:00:00.000Z	90 \| moderate	29.879 \| fine	129.002 \| fine	8.167 \| good	0.711 \| good	15.408 \| good	0.35 \| good
2026-03-05T01:00:00.000Z	94 \| moderate	32.145 \| fine	133.611 \| fine	9.276 \| good	0.617 \| good	19.118 \| good	0.295 \| good
2026-03-05T02:00:00.000Z	86 \| moderate	27.759 \| fine	117.415 \| fine	8.924 \| good	0.59 \| good	18.43 \| good	0.317 \| good
2026-03-05T03:00:00.000Z	88 \| moderate	29.093 \| fine	125.887 \| fine	9.265 \| good	4.004 \| good	30.198 \| good	0.381 \| good
2026-03-05T04:00:00.000Z	82 \| moderate	25.836 \| fine	110.697 \| fine	6.747 \| good	0.566 \| good	16.3 \| good	0.307 \| good
2026-03-05T05:00:00.000Z	82 \| moderate	25.678 \| fine	106.745 \| fine	7.394 \| good	0.472 \| good	14.975 \| good	0.296 \| good
2026-03-05T06:00:00.000Z	84 \| moderate	27.159 \| fine	118.558 \| fine	8.571 \| good	0.482 \| good	15.225 \| good	0.306 \| good
2026-03-05T07:00:00.000Z	83 \| moderate	25.375 \| fine	120.495 \| fine	7.697 \| good	0.514 \| good	15.73 \| good	0.279 \| good
2026-03-05T08:00:00.000Z	81 \| moderate	24.76 \| fine	107.311 \| fine	7.139 \| good	0.516 \| good	16.987 \| good	0.274 \| good
2026-03-05T09:00:00.000Z	81 \| moderate	24.538 \| fine	95.111 \| fine	8.228 \| good	0.524 \| good	11.197 \| good	0.25 \| good
2026-03-05T10:00:00.000Z	81 \| moderate	24.655 \| fine	96.608 \| fine	7.576 \| good	0.549 \| good	13.623 \| good	0.278 \| good
2026-03-05T11:00:00.000Z	82 \| moderate	25.677 \| fine	98.709 \| fine	7.863 \| good	0.482 \| good	28.767 \| good	0.272 \| good
2026-03-05T12:00:00.000Z	82 \| moderate	25.807 \| fine	112.39 \| fine	5.27 \| good	0.471 \| good	26.567 \| good	0.272 \| good
2026-03-05T13:00:00.000Z	81 \| moderate	24.596 \| fine	99.956 \| fine	4.165 \| good	0.481 \| good	29.443 \| good	0.277 \| good
2026-03-05T14:00:00.000Z	77 \| moderate	22.501 \| fine	94.625 \| fine	4.399 \| good	0.512 \| good	17.911 \| good	0.393 \| good
2026-03-05T15:00:00.000Z	67 \| moderate	18.07 \| fine	78.232 \| fine	5.148 \| good	0.506 \| good	16.016 \| good	0.36 \| good
2026-03-05T16:00:00.000Z	67 \| moderate	17.586 \| fine	80.585 \| fine	5.659 \| good	0.554 \| good	14.652 \| good	0.277 \| good
2026-03-05T17:00:00.000Z	66 \| moderate	16.646 \| fine	72.318 \| fine	5.758 \| good	0.518 \| good	13.813 \| good	0.277 \| good
2026-03-05T18:00:00.000Z	64 \| moderate	16.266 \| fine	74.111 \| fine	8.264 \| good	0.461 \| good	8.552 \| good	0.272 \| good
2026-03-05T19:00:00.000Z	67 \| moderate	17.982 \| fine	80.359 \| fine	8.14 \| good	0.468 \| good	12.367 \| good	0.277 \| good
2026-03-05T20:00:00.000Z	69 \| moderate	18.562 \| fine	83.348 \| fine	8.477 \| good	0.548 \| good	13.033 \| good	0.277 \| good
2026-03-05T21:00:00.000Z	69 \| moderate	18.956 \| fine	81.673 \| fine	7.102 \| good	1.218 \| good	14.138 \| good	0.278 \| good
2026-03-05T22:00:00.000Z	71 \| moderate	20.383 \| fine	88.543 \| fine	6.08 \| good	0.981 \| good	14.337 \| good	0.283 \| good
2026-03-05T23:00:00.000Z	66 \| moderate	16.804 \| fine	70.984 \| fine	5.521 \| good	0.562 \| good	11.097 \| good	0.311 \| good
2026-03-06T00:00:00.000Z	67 \| moderate	18.212 \| fine	76.444 \| fine	5.463 \| good	0.633 \| good	11.512 \| good	0.311 \| good
2026-03-06T01:00:00.000Z	73 \| moderate	21.296 \| fine	93.627 \| fine	4.955 \| good	0.61 \| good	10.753 \| good	0.29 \| good
2026-03-06T02:00:00.000Z	77 \| moderate	23.08 \| fine	101.526 \| fine	4.382 \| good	0.509 \| good	11.831 \| good	0.323 \| good
2026-03-06T03:00:00.000Z	135 \| sensitive	49.452 \| moderate	223.344 \| moderate	4.339 \| good	5.316 \| good	29.167 \| good	0.533 \| good
2026-03-06T04:00:00.000Z	84 \| moderate	26.938 \| fine	118.648 \| fine	3.653 \| good	1.219 \| good	15.295 \| good	0.284 \| good
2026-03-06T05:00:00.000Z	86 \| moderate	27.74 \| fine	121.33 \| fine	3.877 \| good	0.907 \| good	14.339 \| good	0.339 \| good
2026-03-06T06:00:00.000Z	90 \| moderate	30.111 \| fine	133.499 \| fine	3.711 \| good	1.447 \| good	11.615 \| good	0.29 \| good
2026-03-06T07:00:00.000Z	81 \| moderate	24.643 \| fine	106.818 \| fine	4.439 \| good	2.072 \| good	12.053 \| good	0.317 \| good
2026-03-06T08:00:00.000Z	73 \| moderate	21.337 \| fine	85.231 \| fine	4.799 \| good	1.333 \| good	14.87 \| good	0.267 \| good
2026-03-06T09:00:00.000Z	73 \| moderate	21.311 \| fine	77.275 \| fine	4.713 \| good	0.8 \| good	14.512 \| good	0.26 \| good
2026-03-06T10:00:00.000Z	71 \| moderate	20.421 \| fine	81.821 \| fine	5.949 \| good	0.739 \| good	15.227 \| good	0.254 \| good
2026-03-06T11:00:00.000Z	73 \| moderate	20.986 \| fine	79.117 \| fine	7.238 \| good	0.709 \| good	12.695 \| good	0.265 \| good
2026-03-06T12:00:00.000Z	64 \| moderate	15.727 \| fine	64.155 \| fine	7.548 \| good	0.637 \| good	11.457 \| good	0.254 \| good
2026-03-06T13:00:00.000Z	67 \| moderate	18.126 \| fine	73.903 \| fine	6.583 \| good	0.714 \| good	12.052 \| good	0.26 \| good
2026-03-06T14:00:00.000Z	60 \| moderate	13.68 \| fine	64.367 \| fine	6.75 \| good	0.903 \| good	13.252 \| good	0.304 \| good
2026-03-06T15:00:00.000Z	60 \| moderate	13.68 \| fine	64.367 \| fine	6.75 \| good	0.903 \| good	13.252 \| good	0.304 \| good
2026-03-06T16:00:00.000Z	49 \| good	8.832 \| good	38.748 \| good	33.375 \| good	1.186 \| good	10.181 \| good	0.235 \| good
2026-03-06T17:00:00.000Z	38 \| good	7.287 \| good	31.988 \| good	37.431 \| good	1.186 \| good	7.17 \| good	0.197 \| good
2026-03-06T18:00:00.000Z	49 \| good	8.612 \| good	37.792 \| good	37.063 \| good	1.187 \| good	4.158 \| good	0.159 \| good
2026-03-06T19:00:00.000Z	49 \| good	8.702 \| good	38.504 \| good	39.301 \| good	1.026 \| good	3.557 \| good	0.147 \| good
2026-03-06T20:00:00.000Z	44 \| good	8.13 \| good	35.66 \| good	36.223 \| good	0.864 \| good	2.955 \| good	0.135 \| good
2026-03-06T21:00:00.000Z	44 \| good	7.873 \| good	34.229 \| good	35.397 \| good	0.703 \| good	2.354 \| good	0.123 \| good
2026-03-06T22:00:00.000Z	44 \| good	8.181 \| good	35.836 \| good	37.823 \| good	0.708 \| good	4.002 \| good	0.13 \| good
2026-03-06T23:00:00.000Z	38 \| good	6.615 \| good	29.01 \| good	39.028 \| good	0.714 \| good	5.65 \| good	0.136 \| good
2026-03-07T00:00:00.000Z	33 \| good	6.07 \| good	27.036 \| good	35.3 \| good	0.719 \| good	7.299 \| good	0.143 \| good
2026-03-07T01:00:00.000Z	33 \| good	5.594 \| good	24.115 \| good	34.77 \| good	0.674 \| good	6.746 \| good	0.135 \| good
2026-03-07T02:00:00.000Z	34 \| good	6.204 \| good	27.121 \| good	37.189 \| good	0.629 \| good	6.192 \| good	0.126 \| good
2026-03-07T03:00:00.000Z	33 \| good	5.407 \| good	23.76 \| good	36.447 \| good	0.584 \| good	5.639 \| good	0.118 \| good
2026-03-07T04:00:00.000Z	33 \| good	5.033 \| good	21.743 \| good	36.142 \| good	0.517 \| good	4.591 \| good	0.114 \| good
2026-03-07T05:00:00.000Z	33 \| good	5.429 \| good	23.723 \| good	35.981 \| good	0.45 \| good	3.543 \| good	0.11 \| good
2026-03-07T06:00:00.000Z	32 \| good	5.288 \| good	22.944 \| good	34.666 \| good	0.383 \| good	2.495 \| good	0.106 \| good
2026-03-07T07:00:00.000Z	31 \| good	5.395 \| good	23.067 \| good	34.378 \| good	0.411 \| good	2.344 \| good	0.106 \| good
2026-03-07T08:00:00.000Z	31 \| good	4.781 \| good	20.957 \| good	33.636 \| good	0.438 \| good	2.194 \| good	0.106 \| good
2026-03-07T09:00:00.000Z	29 \| good	3.856 \| good	16.827 \| good	31.459 \| good	0.466 \| good	2.043 \| good	0.106 \| good
2026-03-07T10:00:00.000Z	31 \| good	4.473 \| good	19.536 \| good	32.749 \| good	0.478 \| good	2.089 \| good	0.105 \| good
2026-03-07T11:00:00.000Z	29 \| good	4.222 \| good	18.874 \| good	30.802 \| good	0.491 \| good	2.135 \| good	0.105 \| good
2026-03-07T12:00:00.000Z	28 \| good	2.496 \| good	10 \| good	30.02 \| good	0.503 \| good	2.18 \| good	0.104 \| good
2026-03-07T13:00:00.000Z	31 \| good	1.558 \| good	6.412 \| good	33.662 \| good	0.556 \| good	3.204 \| good	0.111 \| good
2026-03-07T14:00:00.000Z	31 \| good	2.998 \| good	12.689 \| good	32.78 \| good	0.609 \| good	4.228 \| good	0.117 \| good
2026-03-07T15:00:00.000Z	31 \| good	5.229 \| good	22.648 \| good	32.52 \| good	0.663 \| good	5.251 \| good	0.124 \| good
2026-03-07T16:00:00.000Z	44 \| good	8.098 \| good	35.618 \| good	35.948 \| good	0.7 \| good	4.709 \| good	0.138 \| good
2026-03-07T17:00:00.000Z	44 \| good	8.32 \| good	36.38 \| good	40.41 \| good	0.737 \| good	4.166 \| good	0.153 \| good
2026-03-07T18:00:00.000Z	44 \| good	7.99 \| good	34.968 \| good	41.043 \| good	0.774 \| good	3.623 \| good	0.168 \| good
2026-03-07T19:00:00.000Z	44 \| good	7.762 \| good	34.171 \| good	39.653 \| good	0.728 \| good	3.073 \| good	0.177 \| good
2026-03-07T20:00:00.000Z	49 \| good	8.996 \| good	39.875 \| good	36.964 \| good	0.682 \| good	2.523 \| good	0.185 \| good
2026-03-07T21:00:00.000Z	52 \| moderate	10.063 \| good	44.704 \| good	36.288 \| good	0.636 \| good	1.972 \| good	0.194 \| good
2026-03-07T22:00:00.000Z	56 \| moderate	11.909 \| good	53.201 \| good	33.728 \| good	0.648 \| good	3.053 \| good	0.195 \| good
2026-03-07T23:00:00.000Z	54 \| moderate	11.353 \| good	50.57 \| good	33.3 \| good	0.66 \| good	4.134 \| good	0.196 \| good
2026-03-08T00:00:00.000Z	52 \| moderate	9.978 \| good	44.288 \| good	33.892 \| good	0.672 \| good	5.215 \| good	0.197 \| good
2026-03-08T01:00:00.000Z	44 \| good	7.632 \| good	33.587 \| good	36.071 \| good	0.72 \| good	5.937 \| good	0.194 \| good
2026-03-08T02:00:00.000Z	44 \| good	7.624 \| good	33.668 \| good	34.19 \| good	0.768 \| good	6.66 \| good	0.19 \| good
2026-03-08T03:00:00.000Z	44 \| good	7.852 \| good	34.905 \| good	28.819 \| good	0.816 \| good	7.383 \| good	0.186 \| good
2026-03-08T04:00:00.000Z	44 \| good	7.656 \| good	33.766 \| good	24.638 \| good	0.781 \| good	7.263 \| good	0.186 \| good
2026-03-08T05:00:00.000Z	44 \| good	7.608 \| good	33.785 \| good	26.375 \| good	0.747 \| good	7.144 \| good	0.186 \| good
2026-03-08T06:00:00.000Z	23 \| good	4.173 \| good	4.27 \| good	25.021 \| good	0.715 \| good	7.036 \| good	0.185 \| good
2026-03-08T07:00:00.000Z	44 \| good	8.073 \| good	35.292 \| good	27.41 \| good	0.653 \| good	5.992 \| good	0.178 \| good
2026-03-08T08:00:00.000Z	44 \| good	8.291 \| good	36.28 \| good	25.992 \| good	0.593 \| good	4.958 \| good	0.171 \| good
2026-03-08T09:00:00.000Z	44 \| good	8.152 \| good	35.804 \| good	23.638 \| good	0.534 \| good	3.924 \| good	0.164 \| good
2026-03-08T10:00:00.000Z	49 \| good	8.788 \| good	38.905 \| good	24.38 \| good	0.544 \| good	3.872 \| good	0.162 \| good
2026-03-08T11:00:00.000Z	52 \| moderate	10.412 \| good	46.326 \| good	21.818 \| good	0.553 \| good	3.819 \| good	0.159 \| good
2026-03-08T12:00:00.000Z	26 \| good	3.117 \| good	3.283 \| good	27.789 \| good	0.563 \| good	3.77 \| good	0.157 \| good
2026-03-08T13:00:00.000Z	26 \| good	3.642 \| good	3.818 \| good	27.711 \| good	0.646 \| good	4.062 \| good	0.163 \| good
2026-03-08T14:00:00.000Z	27 \| good	4.577 \| good	4.72 \| good	27.634 \| good	0.73 \| good	4.353 \| good	0.169 \| good
2026-03-08T15:00:00.000Z	26 \| good	3.705 \| good	3.92 \| good	27.556 \| good	0.813 \| good	4.644 \| good	0.176 \| good

Romeoville

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

0.29ppm

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 03:00:00 on 2026-03-06.

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 02:00:00 on 2026-03-06.

What is the AQI in Romeoville, Illinois right now?

As of now, the AQI in Romeoville, Illinois is 60, 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 13.68 μg/m³.

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

The PM₁₀ concentration in Romeoville, Illinois is 64.367 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 0.304 ppm.

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

Currently, Romeoville, Illinois has a sulfur dioxide (SO₂) concentration of 0.903 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 6.75 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 13.252 ppb.

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