What is the PM10 level in Crest Hill, Illinois at the moment?

The PM10 concentration in Crest Hill, Illinois is 4.97 μg/m3 at the moment.

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

Currently, Crest Hill, Illinois has a sulfur dioxide (SO2) concentration of 0.405 ppb.

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

The current ozone (O3) level in Crest Hill, Illinois at the moment is 36.899 ppm.

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

Nitrogen dioxide (NO2) level in Crest Hill, Illinois at the moment is 2.103 ppb.

Live air quality index in Crest Hill, Illinois today

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

PM2.5 levels in Crest Hill, Illinois are currently 1.288 μg/m3.

Stay updated with real-time air quality in Crest Hill, 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

Crest Hill, Illinois

Last updated: ... (Local time)

Major air pollutants in Crest Hill, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

1.29 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

4.97 μg/m³

155

255

425

605+

Ozone (O₃)

36.90 ppb

201

201+

Sulfur Dioxide (SO₂)

0.41 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.10 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.16 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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Crest Hill, Illinois

Scroll To Air Quality Map

Track live Crest Hill, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-14T10:00:00.000Z	28 \| good	2.382 \| good	9.822 \| good	30.104 \| good	0.375 \| good	8.531 \| good	0.191 \| good
2026-03-14T11:00:00.000Z	30 \| good	2.386 \| good	9.89 \| good	32.02 \| good	0.487 \| good	9.626 \| good	0.223 \| good
2026-03-14T12:00:00.000Z	23 \| good	2.39 \| good	9.909 \| good	24.843 \| good	0.513 \| good	10.637 \| good	0.241 \| good
2026-03-14T13:00:00.000Z	22 \| good	2.392 \| good	10.042 \| good	24.178 \| good	0.444 \| good	13.453 \| good	0.256 \| good
2026-03-14T14:00:00.000Z	20 \| good	2.706 \| good	11.026 \| good	21.914 \| good	0.554 \| good	12.239 \| good	0.272 \| good
2026-03-14T15:00:00.000Z	24 \| good	2.911 \| good	12.058 \| good	25.757 \| good	0.956 \| good	3.711 \| good	0.16 \| good
2026-03-14T16:00:00.000Z	25 \| good	2.918 \| good	12.108 \| good	27.493 \| good	0.441 \| good	2.924 \| good	0.178 \| good
2026-03-14T17:00:00.000Z	31 \| good	3.01 \| good	12.136 \| good	32.945 \| good	0.482 \| good	2.286 \| good	0.178 \| good
2026-03-14T18:00:00.000Z	29 \| good	3.032 \| good	12.19 \| good	30.928 \| good	0.759 \| good	1.959 \| good	0.178 \| good
2026-03-14T19:00:00.000Z	33 \| good	3.061 \| good	12.214 \| good	35.521 \| good	0.59 \| good	1.391 \| good	0.178 \| good
2026-03-14T20:00:00.000Z	33 \| good	3.144 \| good	14.107 \| good	36.473 \| good	0.607 \| good	1.77 \| good	0.178 \| good
2026-03-14T21:00:00.000Z	33 \| good	3.288 \| good	14.284 \| good	36.004 \| good	0.555 \| good	2.523 \| good	0.178 \| good
2026-03-14T22:00:00.000Z	31 \| good	3.932 \| good	16.91 \| good	33.28 \| good	0.473 \| good	4.454 \| good	0.19 \| good
2026-03-14T23:00:00.000Z	32 \| good	4.281 \| good	18.297 \| good	35.269 \| good	0.576 \| good	4.752 \| good	0.19 \| good
2026-03-15T00:00:00.000Z	29 \| good	4.504 \| good	18.894 \| good	31.377 \| good	1.107 \| good	6.309 \| good	0.19 \| good
2026-03-15T01:00:00.000Z	38 \| good	7.411 \| good	32.906 \| good	31.927 \| good	0.643 \| good	4.251 \| good	0.202 \| good
2026-03-15T02:00:00.000Z	38 \| good	6.73 \| good	30.255 \| good	33.696 \| good	0.774 \| good	4.763 \| good	0.203 \| good
2026-03-15T03:00:00.000Z	33 \| good	6.303 \| good	27.995 \| good	31.369 \| good	0.871 \| good	6.051 \| good	0.215 \| good
2026-03-15T04:00:00.000Z	33 \| good	5.937 \| good	25.69 \| good	32.254 \| good	0.903 \| good	2.994 \| good	0.203 \| good
2026-03-15T05:00:00.000Z	33 \| good	5.513 \| good	23.624 \| good	30.589 \| good	0.984 \| good	3.174 \| good	0.184 \| good
2026-03-15T06:00:00.000Z	27 \| good	4.88 \| good	21.738 \| good	29.331 \| good	0.647 \| good	2.406 \| good	0.19 \| good
2026-03-15T07:00:00.000Z	27 \| good	4.867 \| good	21.659 \| good	28.76 \| good	0.619 \| good	1.892 \| good	0.19 \| good
2026-03-15T08:00:00.000Z	24 \| good	4.141 \| good	18.5 \| good	26.053 \| good	0.583 \| good	1.824 \| good	0.19 \| good
2026-03-15T09:00:00.000Z	27 \| good	4.285 \| good	19.228 \| good	29.031 \| good	0.704 \| good	1.815 \| good	0.174 \| good
2026-03-15T10:00:00.000Z	29 \| good	4.535 \| good	19.96 \| good	30.52 \| good	0.658 \| good	1.364 \| good	0.178 \| good
2026-03-15T11:00:00.000Z	28 \| good	4.701 \| good	20.954 \| good	29.594 \| good	0.648 \| good	1.61 \| good	0.178 \| good
2026-03-15T12:00:00.000Z	28 \| good	4.703 \| good	20.963 \| good	29.85 \| good	0.857 \| good	2.251 \| good	0.162 \| good
2026-03-15T13:00:00.000Z	30 \| good	4.706 \| good	20.839 \| good	31.911 \| good	0.674 \| good	1.649 \| good	0.162 \| good
2026-03-15T14:00:00.000Z	27 \| good	5.395 \| good	22.922 \| good	22.424 \| good	0.638 \| good	2.48 \| good	0.178 \| good
2026-03-15T15:00:00.000Z	33 \| good	6.052 \| good	26.621 \| good	31.09 \| good	0.849 \| good	2.133 \| good	0.178 \| good
2026-03-15T16:00:00.000Z	38 \| good	6.555 \| good	29.739 \| good	33.042 \| good	1.273 \| good	2.014 \| good	0.178 \| good
2026-03-15T17:00:00.000Z	38 \| good	6.685 \| good	29.723 \| good	30.835 \| good	0.666 \| good	1.899 \| good	0.209 \| good
2026-03-15T18:00:00.000Z	38 \| good	6.602 \| good	30.012 \| good	31.881 \| good	0.607 \| good	2.503 \| good	0.209 \| good
2026-03-15T19:00:00.000Z	33 \| good	6.434 \| good	29.097 \| good	33.086 \| good	0.554 \| good	1.907 \| good	0.209 \| good
2026-03-15T20:00:00.000Z	33 \| good	6.106 \| good	26.853 \| good	34.028 \| good	0.574 \| good	2.435 \| good	0.209 \| good
2026-03-15T21:00:00.000Z	33 \| good	5.84 \| good	25.095 \| good	36.164 \| good	0.6 \| good	2.19 \| good	0.178 \| good
2026-03-15T22:00:00.000Z	34 \| good	5.446 \| good	23.741 \| good	36.909 \| good	0.546 \| good	1.471 \| good	0.209 \| good
2026-03-15T23:00:00.000Z	35 \| good	4.612 \| good	20.638 \| good	38.012 \| good	0.471 \| good	2.872 \| good	0.175 \| good
2026-03-16T00:00:00.000Z	34 \| good	4.619 \| good	20.596 \| good	36.98 \| good	0.502 \| good	3.1 \| good	0.175 \| good
2026-03-16T01:00:00.000Z	28 \| good	2.288 \| good	9.948 \| good	29.784 \| good	0.534 \| good	2.862 \| good	0.175 \| good
2026-03-16T02:00:00.000Z	31 \| good	1.794 \| good	7.916 \| good	33.932 \| good	0.387 \| good	4.11 \| good	0.175 \| good
2026-03-16T03:00:00.000Z	31 \| good	1.285 \| good	4.987 \| good	33.805 \| good	0.411 \| good	3.455 \| good	0.178 \| good
2026-03-16T04:00:00.000Z	32 \| good	1.009 \| good	4.069 \| good	34.589 \| good	0.411 \| good	3.674 \| good	0.16 \| good
2026-03-16T05:00:00.000Z	29 \| good	0.909 \| good	4.033 \| good	31.068 \| good	0.411 \| good	2.587 \| good	0.16 \| good
2026-03-16T06:00:00.000Z	32 \| good	0.898 \| good	3.976 \| good	35.302 \| good	0.341 \| good	2.811 \| good	0.16 \| good
2026-03-16T07:00:00.000Z	35 \| good	0.892 \| good	4.035 \| good	38.013 \| good	0.405 \| good	2.003 \| good	0.16 \| good
2026-03-16T08:00:00.000Z	34 \| good	1.288 \| good	4.97 \| good	36.899 \| good	0.405 \| good	2.103 \| good	0.16 \| good
2026-03-16T09:00:00.000Z	31 \| good	1.198 \| good	5.043 \| good	34.225 \| good	0.406 \| good	4.83 \| good	0.16 \| good
2026-03-16T09:00:00.000Z	34 \| good	1.288 \| good	4.97 \| good	36.899 \| good	0.405 \| good	2.103 \| good	0.16 \| good
2026-03-16T10:00:00.000Z	20 \| good	1.936 \| good	8 \| good	21.768 \| good	0.521 \| good	1.739 \| good	0.142 \| good
2026-03-16T11:00:00.000Z	18 \| good	1.437 \| good	6.086 \| good	19.468 \| good	0.469 \| good	1.549 \| good	0.141 \| good
2026-03-16T12:00:00.000Z	17 \| good	0.178 \| good	0.251 \| good	17.964 \| good	0.418 \| good	1.359 \| good	0.141 \| good
2026-03-16T13:00:00.000Z	17 \| good	0.306 \| good	1.108 \| good	18.043 \| good	0.457 \| good	1.604 \| good	0.148 \| good
2026-03-16T14:00:00.000Z	18 \| good	0.313 \| good	1.086 \| good	19.122 \| good	0.496 \| good	1.849 \| good	0.155 \| good
2026-03-16T15:00:00.000Z	18 \| good	0.269 \| good	1.086 \| good	19.391 \| good	0.536 \| good	2.093 \| good	0.161 \| good
2026-03-16T16:00:00.000Z	19 \| good	0.687 \| good	2.216 \| good	20.054 \| good	0.541 \| good	1.747 \| good	0.161 \| good
2026-03-16T17:00:00.000Z	19 \| good	0.816 \| good	2.947 \| good	21.152 \| good	0.547 \| good	1.4 \| good	0.16 \| good
2026-03-16T18:00:00.000Z	19 \| good	1.06 \| good	3.967 \| good	21.273 \| good	0.553 \| good	1.053 \| good	0.16 \| good
2026-03-16T19:00:00.000Z	20 \| good	1.135 \| good	4.914 \| good	21.758 \| good	0.55 \| good	1.197 \| good	0.163 \| good
2026-03-16T20:00:00.000Z	19 \| good	1.67 \| good	6.951 \| good	20.715 \| good	0.546 \| good	1.341 \| good	0.165 \| good
2026-03-16T21:00:00.000Z	20 \| good	1.353 \| good	5.086 \| good	21.501 \| good	0.543 \| good	1.485 \| good	0.168 \| good
2026-03-16T22:00:00.000Z	21 \| good	0.417 \| good	1.445 \| good	23.051 \| good	0.507 \| good	2.097 \| good	0.174 \| good
2026-03-16T23:00:00.000Z	23 \| good	1.838 \| good	7.833 \| good	25.071 \| good	0.472 \| good	2.708 \| good	0.181 \| good
2026-03-17T00:00:00.000Z	25 \| good	2.007 \| good	7.947 \| good	26.512 \| good	0.436 \| good	3.32 \| good	0.187 \| good
2026-03-17T01:00:00.000Z	23 \| good	1.223 \| good	4.947 \| good	25.288 \| good	0.428 \| good	3.099 \| good	0.186 \| good
2026-03-17T02:00:00.000Z	23 \| good	0.862 \| good	3.079 \| good	25.179 \| good	0.42 \| good	2.879 \| good	0.186 \| good
2026-03-17T03:00:00.000Z	23 \| good	0.131 \| good	0.033 \| good	25.494 \| good	0.412 \| good	2.658 \| good	0.185 \| good
2026-03-17T04:00:00.000Z	23 \| good	0.192 \| good	0.143 \| good	25.253 \| good	0.398 \| good	2.462 \| good	0.185 \| good
2026-03-17T05:00:00.000Z	23 \| good	0.809 \| good	3.086 \| good	25.086 \| good	0.385 \| good	2.265 \| good	0.186 \| good
2026-03-17T06:00:00.000Z	24 \| good	1.719 \| good	6.947 \| good	26.005 \| good	0.371 \| good	2.069 \| good	0.186 \| good
2026-03-17T07:00:00.000Z	25 \| good	2.212 \| good	9.068 \| good	27.359 \| good	0.393 \| good	1.951 \| good	0.186 \| good
2026-03-17T08:00:00.000Z	28 \| good	2.34 \| good	9.725 \| good	29.614 \| good	0.415 \| good	1.834 \| good	0.186 \| good
2026-03-17T09:00:00.000Z	26 \| good	2.498 \| good	9.908 \| good	28.155 \| good	0.438 \| good	1.717 \| good	0.186 \| good
2026-03-17T10:00:00.000Z	24 \| good	2.084 \| good	8.257 \| good	26.133 \| good	0.466 \| good	1.916 \| good	0.189 \| good
2026-03-17T11:00:00.000Z	21 \| good	1.178 \| good	5.033 \| good	23.492 \| good	0.493 \| good	2.115 \| good	0.192 \| good
2026-03-17T12:00:00.000Z	19 \| good	0.326 \| good	1.143 \| good	21.287 \| good	0.521 \| good	2.314 \| good	0.195 \| good
2026-03-17T13:00:00.000Z	21 \| good	1.656 \| good	7.059 \| good	22.718 \| good	0.6 \| good	2.431 \| good	0.201 \| good
2026-03-17T14:00:00.000Z	22 \| good	2.061 \| good	8.282 \| good	23.898 \| good	0.679 \| good	2.547 \| good	0.207 \| good
2026-03-17T15:00:00.000Z	24 \| good	1.59 \| good	6.386 \| good	26.293 \| good	0.757 \| good	2.664 \| good	0.213 \| good
2026-03-17T16:00:00.000Z	25 \| good	1.183 \| good	4.965 \| good	27.088 \| good	0.805 \| good	2.301 \| good	0.209 \| good
2026-03-17T17:00:00.000Z	26 \| good	1.431 \| good	5.822 \| good	28.306 \| good	0.852 \| good	1.938 \| good	0.205 \| good
2026-03-17T18:00:00.000Z	26 \| good	1.954 \| good	8.053 \| good	27.989 \| good	0.9 \| good	1.575 \| good	0.201 \| good
2026-03-17T19:00:00.000Z	27 \| good	2.532 \| good	10.119 \| good	28.692 \| good	0.903 \| good	1.61 \| good	0.199 \| good
2026-03-17T20:00:00.000Z	27 \| good	2.631 \| good	10.486 \| good	28.95 \| good	0.906 \| good	1.646 \| good	0.197 \| good
2026-03-17T21:00:00.000Z	28 \| good	3.183 \| good	14.14 \| good	30.092 \| good	0.909 \| good	1.681 \| good	0.195 \| good
2026-03-17T22:00:00.000Z	27 \| good	4.038 \| good	17.854 \| good	29.166 \| good	0.918 \| good	3.215 \| good	0.201 \| good
2026-03-17T23:00:00.000Z	28 \| good	5.046 \| good	21.807 \| good	30.368 \| good	0.926 \| good	4.749 \| good	0.208 \| good
2026-03-18T00:00:00.000Z	31 \| good	3.188 \| good	14.082 \| good	33.445 \| good	0.935 \| good	6.282 \| good	0.215 \| good
2026-03-18T01:00:00.000Z	31 \| good	3.62 \| good	16.033 \| good	33.498 \| good	0.955 \| good	6.886 \| good	0.216 \| good
2026-03-18T02:00:00.000Z	31 \| good	3.603 \| good	15.601 \| good	33.528 \| good	0.975 \| good	7.489 \| good	0.218 \| good
2026-03-18T03:00:00.000Z	31 \| good	2.658 \| good	10.792 \| good	33.793 \| good	0.995 \| good	8.093 \| good	0.22 \| good
2026-03-18T04:00:00.000Z	31 \| good	2.668 \| good	10.868 \| good	33.572 \| good	0.927 \| good	7.867 \| good	0.221 \| good
2026-03-18T05:00:00.000Z	30 \| good	3.501 \| good	15.201 \| good	31.717 \| good	0.858 \| good	7.641 \| good	0.221 \| good
2026-03-18T06:00:00.000Z	52 \| moderate	9.517 \| good	9.85 \| good	35.079 \| good	0.799 \| good	7.521 \| good	0.222 \| good
2026-03-18T07:00:00.000Z	26 \| good	4.498 \| good	19.743 \| good	28.327 \| good	0.782 \| good	6.04 \| good	0.213 \| good
2026-03-18T08:00:00.000Z	27 \| good	5.489 \| good	23.391 \| good	28.1 \| good	0.774 \| good	4.666 \| good	0.204 \| good
2026-03-18T09:00:00.000Z	38 \| good	7.367 \| good	32.415 \| good	25.892 \| good	0.766 \| good	3.292 \| good	0.195 \| good

Crest Hill

Get reliable air quality data to drive your business

Crest Hill, 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 Crest Hill, Illinois?

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

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

In the past 24 hours, the air quality in Crest Hill, Illinois was at its worst at 06:00:00 on 2026-03-15.

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

In the last 24 hours, the best air quality in Crest Hill, Illinois was observed at 02:00:00 on 2026-03-15.

What is the AQI in Crest Hill, Illinois right now?

As of now, the AQI in Crest Hill, Illinois is 34, indicating Good conditions.

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

Crest Hill, Illinois air has the highest levels of O3.

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

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

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

PM_2.5 levels in Crest Hill, Illinois are currently 1.288 μg/m³.

What is the PM₁₀ level in Crest Hill, Illinois at the moment?

The PM₁₀ concentration in Crest Hill, Illinois is 4.97 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Crest Hill, Illinois is 0.16 ppm.

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

Currently, Crest Hill, Illinois has a sulfur dioxide (SO₂) concentration of 0.405 ppb.

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

The current ozone (O₃) level in Crest Hill, Illinois at the moment is 36.899 ppm.

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

Nitrogen dioxide (NO₂) level in Crest Hill, Illinois at the moment is 2.103 ppb.

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