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

The PM10 concentration in Crest Hill, Illinois is 26.787 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 1.072 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 18.397 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 14.734 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 6.054 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)

6.05 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

26.79 μg/m³

155

255

425

605+

Ozone (O₃)

18.40 ppb

201

201+

Sulfur Dioxide (SO₂)

1.07 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

14.73 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.25 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Crest Hill, Illinois

Get Live Pollen Counts

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
2025-12-06T05:00:00.000Z	56 \| moderate	11.654 \| good	51.811 \| good	18.702 \| good	1.032 \| good	11.097 \| good	0.185 \| good
2025-12-06T06:00:00.000Z	56 \| moderate	11.909 \| good	53.393 \| good	20.645 \| good	0.835 \| good	6.812 \| good	0.185 \| good
2025-12-06T07:00:00.000Z	56 \| moderate	11.909 \| good	53.393 \| good	19.485 \| good	0.814 \| good	7.683 \| good	0.169 \| good
2025-12-06T08:00:00.000Z	58 \| moderate	13.398 \| fine	58.915 \| fine	18.232 \| good	0.814 \| good	6.335 \| good	0.141 \| good
2025-12-06T09:00:00.000Z	62 \| moderate	15.025 \| fine	65.478 \| fine	16.387 \| good	0.718 \| good	8.374 \| good	0.169 \| good
2025-12-06T10:00:00.000Z	62 \| moderate	15.089 \| fine	65.657 \| fine	16.091 \| good	0.561 \| good	9.241 \| good	0.141 \| good
2025-12-06T11:00:00.000Z	62 \| moderate	14.986 \| fine	64.876 \| fine	16.801 \| good	0.559 \| good	9.992 \| good	0.141 \| good
2025-12-06T12:00:00.000Z	62 \| moderate	14.906 \| fine	67.339 \| fine	12.67 \| good	0.502 \| good	10.025 \| good	0.141 \| good
2025-12-06T13:00:00.000Z	62 \| moderate	14.906 \| fine	67.339 \| fine	11.51 \| good	0.454 \| good	10.958 \| good	0.141 \| good
2025-12-06T14:00:00.000Z	60 \| moderate	14.451 \| fine	64.885 \| fine	9.93 \| good	0.497 \| good	12.035 \| good	0.169 \| good
2025-12-06T15:00:00.000Z	60 \| moderate	14.294 \| fine	64.248 \| fine	12.003 \| good	0.513 \| good	10.812 \| good	0.169 \| good
2025-12-06T16:00:00.000Z	60 \| moderate	14.35 \| fine	64.173 \| fine	14.751 \| good	1.905 \| good	8.996 \| good	0.185 \| good
2025-12-06T17:00:00.000Z	62 \| moderate	14.637 \| fine	66.128 \| fine	15.234 \| good	1.582 \| good	8.352 \| good	0.169 \| good
2025-12-06T18:00:00.000Z	62 \| moderate	14.926 \| fine	66.522 \| fine	16.641 \| good	1.272 \| good	5.628 \| good	0.169 \| good
2025-12-06T19:00:00.000Z	62 \| moderate	15.366 \| fine	69.091 \| fine	18.992 \| good	1.126 \| good	5.76 \| good	0.185 \| good
2025-12-06T20:00:00.000Z	64 \| moderate	15.598 \| fine	69.581 \| fine	18.385 \| good	0.853 \| good	6.049 \| good	0.169 \| good
2025-12-06T21:00:00.000Z	62 \| moderate	14.819 \| fine	66.263 \| fine	21.746 \| good	0.731 \| good	6.993 \| good	0.169 \| good
2025-12-06T22:00:00.000Z	58 \| moderate	13.413 \| fine	59.785 \| fine	21.393 \| good	0.706 \| good	7.268 \| good	0.185 \| good
2025-12-06T23:00:00.000Z	58 \| moderate	12.646 \| fine	56.8 \| fine	22.189 \| good	0.685 \| good	9.908 \| good	0.185 \| good
2025-12-07T00:00:00.000Z	56 \| moderate	12.301 \| fine	54.736 \| good	18.788 \| good	0.577 \| good	15.544 \| good	0.213 \| good
2025-12-07T01:00:00.000Z	58 \| moderate	12.827 \| fine	57.382 \| fine	18.783 \| good	0.561 \| good	15.902 \| good	0.226 \| good
2025-12-07T02:00:00.000Z	56 \| moderate	12.08 \| good	53.581 \| good	18.107 \| good	0.578 \| good	15.289 \| good	0.253 \| good
2025-12-07T03:00:00.000Z	58 \| moderate	12.769 \| fine	57.615 \| fine	18.654 \| good	0.655 \| good	15.42 \| good	0.226 \| good
2025-12-07T04:00:00.000Z	58 \| moderate	12.694 \| fine	56.524 \| fine	18.036 \| good	0.636 \| good	17.496 \| good	0.241 \| good
2025-12-07T05:00:00.000Z	56 \| moderate	12.468 \| fine	55.487 \| fine	20.373 \| good	0.499 \| good	13.974 \| good	0.213 \| good
2025-12-07T06:00:00.000Z	56 \| moderate	11.755 \| good	52.276 \| good	17.715 \| good	0.426 \| good	12.023 \| good	0.204 \| good
2025-12-07T07:00:00.000Z	56 \| moderate	11.755 \| good	52.276 \| good	19.36 \| good	0.328 \| good	10.601 \| good	0.204 \| good
2025-12-07T08:00:00.000Z	56 \| moderate	11.734 \| good	50.659 \| good	19.872 \| good	0.32 \| good	8.662 \| good	0.157 \| good
2025-12-07T09:00:00.000Z	56 \| moderate	11.706 \| good	50.354 \| good	13.409 \| good	0.417 \| good	12.089 \| good	0.157 \| good
2025-12-07T10:00:00.000Z	56 \| moderate	11.96 \| good	51.63 \| good	16.379 \| good	0.347 \| good	16.817 \| good	0.157 \| good
2025-12-07T11:00:00.000Z	56 \| moderate	12.19 \| fine	53.123 \| good	18.742 \| good	0.396 \| good	17.481 \| good	0.157 \| good
2025-12-07T12:00:00.000Z	58 \| moderate	12.828 \| fine	57.896 \| fine	15.372 \| good	0.596 \| good	15.411 \| good	0.157 \| good
2025-12-07T13:00:00.000Z	58 \| moderate	12.828 \| fine	57.896 \| fine	14.95 \| good	0.982 \| good	15.412 \| good	0.157 \| good
2025-12-07T14:00:00.000Z	60 \| moderate	13.945 \| fine	62.657 \| fine	14.43 \| good	1.074 \| good	12.141 \| good	0.221 \| good
2025-12-07T15:00:00.000Z	56 \| moderate	11.972 \| good	53.763 \| good	17.029 \| good	0.859 \| good	8.308 \| good	0.198 \| good
2025-12-07T16:00:00.000Z	49 \| good	9.36 \| good	41.446 \| good	17.809 \| good	0.914 \| good	7.699 \| good	0.22 \| good
2025-12-07T17:00:00.000Z	44 \| good	8.116 \| good	35.78 \| good	17.38 \| good	0.565 \| good	6.661 \| good	0.185 \| good
2025-12-07T18:00:00.000Z	44 \| good	8.002 \| good	35.51 \| good	16.127 \| good	0.441 \| good	5.063 \| good	0.185 \| good
2025-12-07T19:00:00.000Z	49 \| good	8.789 \| good	38.912 \| good	15.765 \| good	0.388 \| good	5.297 \| good	0.185 \| good
2025-12-07T20:00:00.000Z	52 \| moderate	10.105 \| good	45.181 \| good	15.088 \| good	0.337 \| good	4.357 \| good	0.231 \| good
2025-12-07T21:00:00.000Z	54 \| moderate	11.168 \| good	49.841 \| good	15.653 \| good	0.375 \| good	5.104 \| good	0.214 \| good
2025-12-07T22:00:00.000Z	54 \| moderate	10.92 \| good	49.686 \| good	16.233 \| good	0.339 \| good	5.702 \| good	0.205 \| good
2025-12-07T23:00:00.000Z	52 \| moderate	9.703 \| good	43.068 \| good	17.707 \| good	0.352 \| good	6.69 \| good	0.22 \| good
2025-12-08T00:00:00.000Z	44 \| good	8.264 \| good	36.763 \| good	24.376 \| good	0.502 \| good	7.19 \| good	0.198 \| good
2025-12-08T01:00:00.000Z	38 \| good	7.23 \| good	31.621 \| good	23.031 \| good	0.75 \| good	7.374 \| good	0.212 \| good
2025-12-08T02:00:00.000Z	33 \| good	6.287 \| good	28.127 \| good	20.556 \| good	0.494 \| good	9.013 \| good	0.225 \| good
2025-12-08T03:00:00.000Z	33 \| good	5.583 \| good	24.539 \| good	21.683 \| good	1.051 \| good	16.154 \| good	0.252 \| good
2025-12-08T04:00:00.000Z	33 \| good	6.054 \| good	26.787 \| good	18.397 \| good	1.072 \| good	14.734 \| good	0.25 \| good
2025-12-08T05:00:00.000Z	33 \| good	5.885 \| good	25.754 \| good	0.536 \| good	0.636 \| good	11.648 \| good	0.214 \| good
2025-12-08T06:00:00.000Z	33 \| good	6.235 \| good	27.741 \| good	0.286 \| good	0.607 \| good	11.323 \| good	0.214 \| good
2025-12-08T07:00:00.000Z	33 \| good	6.391 \| good	28.255 \| good	1.383 \| good	0.671 \| good	11.603 \| good	0.213 \| good
2025-12-08T08:00:00.000Z	33 \| good	5.958 \| good	26.006 \| good	3.04 \| good	0.735 \| good	11.884 \| good	0.213 \| good
2025-12-08T09:00:00.000Z	27 \| good	5.045 \| good	21.842 \| good	4.753 \| good	0.799 \| good	12.164 \| good	0.213 \| good
2025-12-08T10:00:00.000Z	27 \| good	4.905 \| good	21.243 \| good	5.701 \| good	0.929 \| good	14.358 \| good	0.225 \| good
2025-12-08T11:00:00.000Z	27 \| good	5.146 \| good	22.443 \| good	5.458 \| good	1.058 \| good	16.551 \| good	0.237 \| good
2025-12-08T12:00:00.000Z	27 \| good	5.191 \| good	22.59 \| good	4.554 \| good	1.187 \| good	18.745 \| good	0.249 \| good
2025-12-08T13:00:00.000Z	33 \| good	5.817 \| good	25.077 \| good	3.663 \| good	1.291 \| good	18.371 \| good	0.282 \| good
2025-12-08T14:00:00.000Z	33 \| good	5.908 \| good	26.338 \| good	8.603 \| good	1.395 \| good	17.998 \| good	0.316 \| good
2025-12-08T15:00:00.000Z	38 \| good	6.574 \| good	29.443 \| good	15.291 \| good	1.5 \| good	17.624 \| good	0.35 \| good
2025-12-08T16:00:00.000Z	38 \| good	6.738 \| good	29.953 \| good	19.949 \| good	1.543 \| good	14.181 \| good	0.315 \| good
2025-12-08T17:00:00.000Z	33 \| good	6.267 \| good	27.774 \| good	22.014 \| good	1.585 \| good	10.738 \| good	0.281 \| good
2025-12-08T18:00:00.000Z	38 \| good	7.231 \| good	32 \| good	22.536 \| good	1.628 \| good	7.296 \| good	0.246 \| good
2025-12-08T19:00:00.000Z	38 \| good	7.064 \| good	31.309 \| good	23.97 \| good	1.492 \| good	7.648 \| good	0.241 \| good
2025-12-08T20:00:00.000Z	33 \| good	6.467 \| good	28.721 \| good	24.082 \| good	1.355 \| good	8.001 \| good	0.235 \| good
2025-12-08T21:00:00.000Z	38 \| good	6.524 \| good	29.041 \| good	21.971 \| good	1.218 \| good	8.353 \| good	0.229 \| good
2025-12-08T22:00:00.000Z	38 \| good	6.911 \| good	30.782 \| good	15.033 \| good	1.088 \| good	11.552 \| good	0.246 \| good
2025-12-08T23:00:00.000Z	38 \| good	6.869 \| good	30.505 \| good	12.383 \| good	0.957 \| good	14.751 \| good	0.262 \| good
2025-12-09T00:00:00.000Z	52 \| moderate	9.564 \| good	42.326 \| good	12.055 \| good	0.826 \| good	17.95 \| good	0.279 \| good
2025-12-09T01:00:00.000Z	52 \| moderate	10.021 \| good	44.35 \| good	15.285 \| good	0.728 \| good	15.354 \| good	0.261 \| good
2025-12-09T02:00:00.000Z	52 \| moderate	9.877 \| good	43.966 \| good	15.911 \| good	0.63 \| good	12.759 \| good	0.243 \| good
2025-12-09T03:00:00.000Z	52 \| moderate	9.882 \| good	44.029 \| good	13.38 \| good	0.532 \| good	10.164 \| good	0.225 \| good
2025-12-09T04:00:00.000Z	54 \| moderate	11.028 \| good	48.664 \| good	14.544 \| good	0.507 \| good	8.535 \| good	0.213 \| good
2025-12-09T05:00:00.000Z	56 \| moderate	12.176 \| fine	54.931 \| good	15.356 \| good	0.483 \| good	6.906 \| good	0.202 \| good
2025-12-09T06:00:00.000Z	56 \| moderate	12.485 \| fine	56.584 \| fine	17.06 \| good	0.458 \| good	5.277 \| good	0.191 \| good
2025-12-09T07:00:00.000Z	60 \| moderate	13.778 \| fine	62.333 \| fine	16.438 \| good	0.628 \| good	4.944 \| good	0.188 \| good
2025-12-09T08:00:00.000Z	58 \| moderate	13.461 \| fine	60.427 \| fine	19.68 \| good	0.799 \| good	4.611 \| good	0.185 \| good
2025-12-09T09:00:00.000Z	56 \| moderate	12.495 \| fine	56.584 \| fine	18.454 \| good	0.969 \| good	4.278 \| good	0.182 \| good
2025-12-09T10:00:00.000Z	58 \| moderate	12.799 \| fine	57.299 \| fine	15.76 \| good	0.955 \| good	4.642 \| good	0.186 \| good
2025-12-09T11:00:00.000Z	58 \| moderate	12.902 \| fine	58.219 \| fine	16.316 \| good	0.942 \| good	5.006 \| good	0.19 \| good
2025-12-09T12:00:00.000Z	60 \| moderate	13.505 \| fine	60.759 \| fine	16.155 \| good	0.929 \| good	5.37 \| good	0.193 \| good
2025-12-09T13:00:00.000Z	60 \| moderate	13.635 \| fine	61.058 \| fine	17.296 \| good	0.85 \| good	5.567 \| good	0.196 \| good
2025-12-09T14:00:00.000Z	60 \| moderate	13.96 \| fine	63 \| fine	18.027 \| good	0.77 \| good	5.764 \| good	0.198 \| good
2025-12-09T15:00:00.000Z	62 \| moderate	14.918 \| fine	66.862 \| fine	18.773 \| good	0.69 \| good	5.961 \| good	0.201 \| good
2025-12-09T16:00:00.000Z	62 \| moderate	15.168 \| fine	67.716 \| fine	21.994 \| good	0.664 \| good	5.555 \| good	0.199 \| good
2025-12-09T17:00:00.000Z	60 \| moderate	13.745 \| fine	61.83 \| fine	24.683 \| good	0.638 \| good	5.148 \| good	0.197 \| good
2025-12-09T18:00:00.000Z	60 \| moderate	13.689 \| fine	61.33 \| fine	24.581 \| good	0.613 \| good	4.741 \| good	0.195 \| good
2025-12-09T19:00:00.000Z	58 \| moderate	13.311 \| fine	60.093 \| fine	22.502 \| good	0.614 \| good	5.219 \| good	0.196 \| good
2025-12-09T20:00:00.000Z	54 \| moderate	11.087 \| good	49.175 \| good	20.615 \| good	0.615 \| good	5.696 \| good	0.196 \| good
2025-12-09T21:00:00.000Z	49 \| good	9.448 \| good	42.426 \| good	18.774 \| good	0.616 \| good	6.173 \| good	0.197 \| good
2025-12-09T22:00:00.000Z	49 \| good	9.141 \| good	41.132 \| good	18.581 \| good	0.606 \| good	7.12 \| good	0.2 \| good
2025-12-09T23:00:00.000Z	49 \| good	8.576 \| good	37.211 \| good	19.249 \| good	0.596 \| good	8.068 \| good	0.203 \| good
2025-12-10T00:00:00.000Z	56 \| moderate	11.884 \| good	11.953 \| good	21.969 \| good	0.596 \| good	9.149 \| good	0.207 \| good
2025-12-10T01:00:00.000Z	54 \| moderate	11.16 \| good	49.189 \| good	17.047 \| good	0.559 \| good	8.007 \| good	0.198 \| good
2025-12-10T02:00:00.000Z	52 \| moderate	10.287 \| good	45.64 \| good	16.292 \| good	0.533 \| good	6.998 \| good	0.189 \| good
2025-12-10T03:00:00.000Z	52 \| moderate	9.765 \| good	43.551 \| good	19.862 \| good	0.506 \| good	5.99 \| good	0.181 \| good
2025-12-10T04:00:00.000Z	52 \| moderate	9.902 \| good	43.941 \| good	24.797 \| good	0.463 \| good	5.378 \| good	0.174 \| good

Crest Hill

Get reliable air quality data to drive your business

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

0.26ppm

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

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

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 02:00:00 on 2025-12-07.

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 03:00:00 on 2025-12-08.

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

As of now, the AQI in Crest Hill, Illinois is 33, indicating Good conditions.

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

Crest Hill, Illinois air has the highest levels of PM2.5.

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 6.054 μg/m³.

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

The PM₁₀ concentration in Crest Hill, Illinois is 26.787 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 0.25 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 1.072 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 18.397 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 14.734 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-06T05:00:00.000Z	56 \| moderate	11.654 \| good	51.811 \| good	18.702 \| good	1.032 \| good	11.097 \| good	0.185 \| good
2025-12-06T06:00:00.000Z	56 \| moderate	11.909 \| good	53.393 \| good	20.645 \| good	0.835 \| good	6.812 \| good	0.185 \| good
2025-12-06T07:00:00.000Z	56 \| moderate	11.909 \| good	53.393 \| good	19.485 \| good	0.814 \| good	7.683 \| good	0.169 \| good
2025-12-06T08:00:00.000Z	58 \| moderate	13.398 \| fine	58.915 \| fine	18.232 \| good	0.814 \| good	6.335 \| good	0.141 \| good
2025-12-06T09:00:00.000Z	62 \| moderate	15.025 \| fine	65.478 \| fine	16.387 \| good	0.718 \| good	8.374 \| good	0.169 \| good
2025-12-06T10:00:00.000Z	62 \| moderate	15.089 \| fine	65.657 \| fine	16.091 \| good	0.561 \| good	9.241 \| good	0.141 \| good
2025-12-06T11:00:00.000Z	62 \| moderate	14.986 \| fine	64.876 \| fine	16.801 \| good	0.559 \| good	9.992 \| good	0.141 \| good
2025-12-06T12:00:00.000Z	62 \| moderate	14.906 \| fine	67.339 \| fine	12.67 \| good	0.502 \| good	10.025 \| good	0.141 \| good
2025-12-06T13:00:00.000Z	62 \| moderate	14.906 \| fine	67.339 \| fine	11.51 \| good	0.454 \| good	10.958 \| good	0.141 \| good
2025-12-06T14:00:00.000Z	60 \| moderate	14.451 \| fine	64.885 \| fine	9.93 \| good	0.497 \| good	12.035 \| good	0.169 \| good
2025-12-06T15:00:00.000Z	60 \| moderate	14.294 \| fine	64.248 \| fine	12.003 \| good	0.513 \| good	10.812 \| good	0.169 \| good
2025-12-06T16:00:00.000Z	60 \| moderate	14.35 \| fine	64.173 \| fine	14.751 \| good	1.905 \| good	8.996 \| good	0.185 \| good
2025-12-06T17:00:00.000Z	62 \| moderate	14.637 \| fine	66.128 \| fine	15.234 \| good	1.582 \| good	8.352 \| good	0.169 \| good
2025-12-06T18:00:00.000Z	62 \| moderate	14.926 \| fine	66.522 \| fine	16.641 \| good	1.272 \| good	5.628 \| good	0.169 \| good
2025-12-06T19:00:00.000Z	62 \| moderate	15.366 \| fine	69.091 \| fine	18.992 \| good	1.126 \| good	5.76 \| good	0.185 \| good
2025-12-06T20:00:00.000Z	64 \| moderate	15.598 \| fine	69.581 \| fine	18.385 \| good	0.853 \| good	6.049 \| good	0.169 \| good
2025-12-06T21:00:00.000Z	62 \| moderate	14.819 \| fine	66.263 \| fine	21.746 \| good	0.731 \| good	6.993 \| good	0.169 \| good
2025-12-06T22:00:00.000Z	58 \| moderate	13.413 \| fine	59.785 \| fine	21.393 \| good	0.706 \| good	7.268 \| good	0.185 \| good
2025-12-06T23:00:00.000Z	58 \| moderate	12.646 \| fine	56.8 \| fine	22.189 \| good	0.685 \| good	9.908 \| good	0.185 \| good
2025-12-07T00:00:00.000Z	56 \| moderate	12.301 \| fine	54.736 \| good	18.788 \| good	0.577 \| good	15.544 \| good	0.213 \| good
2025-12-07T01:00:00.000Z	58 \| moderate	12.827 \| fine	57.382 \| fine	18.783 \| good	0.561 \| good	15.902 \| good	0.226 \| good
2025-12-07T02:00:00.000Z	56 \| moderate	12.08 \| good	53.581 \| good	18.107 \| good	0.578 \| good	15.289 \| good	0.253 \| good
2025-12-07T03:00:00.000Z	58 \| moderate	12.769 \| fine	57.615 \| fine	18.654 \| good	0.655 \| good	15.42 \| good	0.226 \| good
2025-12-07T04:00:00.000Z	58 \| moderate	12.694 \| fine	56.524 \| fine	18.036 \| good	0.636 \| good	17.496 \| good	0.241 \| good
2025-12-07T05:00:00.000Z	56 \| moderate	12.468 \| fine	55.487 \| fine	20.373 \| good	0.499 \| good	13.974 \| good	0.213 \| good
2025-12-07T06:00:00.000Z	56 \| moderate	11.755 \| good	52.276 \| good	17.715 \| good	0.426 \| good	12.023 \| good	0.204 \| good
2025-12-07T07:00:00.000Z	56 \| moderate	11.755 \| good	52.276 \| good	19.36 \| good	0.328 \| good	10.601 \| good	0.204 \| good
2025-12-07T08:00:00.000Z	56 \| moderate	11.734 \| good	50.659 \| good	19.872 \| good	0.32 \| good	8.662 \| good	0.157 \| good
2025-12-07T09:00:00.000Z	56 \| moderate	11.706 \| good	50.354 \| good	13.409 \| good	0.417 \| good	12.089 \| good	0.157 \| good
2025-12-07T10:00:00.000Z	56 \| moderate	11.96 \| good	51.63 \| good	16.379 \| good	0.347 \| good	16.817 \| good	0.157 \| good
2025-12-07T11:00:00.000Z	56 \| moderate	12.19 \| fine	53.123 \| good	18.742 \| good	0.396 \| good	17.481 \| good	0.157 \| good
2025-12-07T12:00:00.000Z	58 \| moderate	12.828 \| fine	57.896 \| fine	15.372 \| good	0.596 \| good	15.411 \| good	0.157 \| good
2025-12-07T13:00:00.000Z	58 \| moderate	12.828 \| fine	57.896 \| fine	14.95 \| good	0.982 \| good	15.412 \| good	0.157 \| good
2025-12-07T14:00:00.000Z	60 \| moderate	13.945 \| fine	62.657 \| fine	14.43 \| good	1.074 \| good	12.141 \| good	0.221 \| good
2025-12-07T15:00:00.000Z	56 \| moderate	11.972 \| good	53.763 \| good	17.029 \| good	0.859 \| good	8.308 \| good	0.198 \| good
2025-12-07T16:00:00.000Z	49 \| good	9.36 \| good	41.446 \| good	17.809 \| good	0.914 \| good	7.699 \| good	0.22 \| good
2025-12-07T17:00:00.000Z	44 \| good	8.116 \| good	35.78 \| good	17.38 \| good	0.565 \| good	6.661 \| good	0.185 \| good
2025-12-07T18:00:00.000Z	44 \| good	8.002 \| good	35.51 \| good	16.127 \| good	0.441 \| good	5.063 \| good	0.185 \| good
2025-12-07T19:00:00.000Z	49 \| good	8.789 \| good	38.912 \| good	15.765 \| good	0.388 \| good	5.297 \| good	0.185 \| good
2025-12-07T20:00:00.000Z	52 \| moderate	10.105 \| good	45.181 \| good	15.088 \| good	0.337 \| good	4.357 \| good	0.231 \| good
2025-12-07T21:00:00.000Z	54 \| moderate	11.168 \| good	49.841 \| good	15.653 \| good	0.375 \| good	5.104 \| good	0.214 \| good
2025-12-07T22:00:00.000Z	54 \| moderate	10.92 \| good	49.686 \| good	16.233 \| good	0.339 \| good	5.702 \| good	0.205 \| good
2025-12-07T23:00:00.000Z	52 \| moderate	9.703 \| good	43.068 \| good	17.707 \| good	0.352 \| good	6.69 \| good	0.22 \| good
2025-12-08T00:00:00.000Z	44 \| good	8.264 \| good	36.763 \| good	24.376 \| good	0.502 \| good	7.19 \| good	0.198 \| good
2025-12-08T01:00:00.000Z	38 \| good	7.23 \| good	31.621 \| good	23.031 \| good	0.75 \| good	7.374 \| good	0.212 \| good
2025-12-08T02:00:00.000Z	33 \| good	6.287 \| good	28.127 \| good	20.556 \| good	0.494 \| good	9.013 \| good	0.225 \| good
2025-12-08T03:00:00.000Z	33 \| good	5.583 \| good	24.539 \| good	21.683 \| good	1.051 \| good	16.154 \| good	0.252 \| good
2025-12-08T04:00:00.000Z	33 \| good	6.054 \| good	26.787 \| good	18.397 \| good	1.072 \| good	14.734 \| good	0.25 \| good
2025-12-08T05:00:00.000Z	33 \| good	5.885 \| good	25.754 \| good	0.536 \| good	0.636 \| good	11.648 \| good	0.214 \| good
2025-12-08T06:00:00.000Z	33 \| good	6.235 \| good	27.741 \| good	0.286 \| good	0.607 \| good	11.323 \| good	0.214 \| good
2025-12-08T07:00:00.000Z	33 \| good	6.391 \| good	28.255 \| good	1.383 \| good	0.671 \| good	11.603 \| good	0.213 \| good
2025-12-08T08:00:00.000Z	33 \| good	5.958 \| good	26.006 \| good	3.04 \| good	0.735 \| good	11.884 \| good	0.213 \| good
2025-12-08T09:00:00.000Z	27 \| good	5.045 \| good	21.842 \| good	4.753 \| good	0.799 \| good	12.164 \| good	0.213 \| good
2025-12-08T10:00:00.000Z	27 \| good	4.905 \| good	21.243 \| good	5.701 \| good	0.929 \| good	14.358 \| good	0.225 \| good
2025-12-08T11:00:00.000Z	27 \| good	5.146 \| good	22.443 \| good	5.458 \| good	1.058 \| good	16.551 \| good	0.237 \| good
2025-12-08T12:00:00.000Z	27 \| good	5.191 \| good	22.59 \| good	4.554 \| good	1.187 \| good	18.745 \| good	0.249 \| good
2025-12-08T13:00:00.000Z	33 \| good	5.817 \| good	25.077 \| good	3.663 \| good	1.291 \| good	18.371 \| good	0.282 \| good
2025-12-08T14:00:00.000Z	33 \| good	5.908 \| good	26.338 \| good	8.603 \| good	1.395 \| good	17.998 \| good	0.316 \| good
2025-12-08T15:00:00.000Z	38 \| good	6.574 \| good	29.443 \| good	15.291 \| good	1.5 \| good	17.624 \| good	0.35 \| good
2025-12-08T16:00:00.000Z	38 \| good	6.738 \| good	29.953 \| good	19.949 \| good	1.543 \| good	14.181 \| good	0.315 \| good
2025-12-08T17:00:00.000Z	33 \| good	6.267 \| good	27.774 \| good	22.014 \| good	1.585 \| good	10.738 \| good	0.281 \| good
2025-12-08T18:00:00.000Z	38 \| good	7.231 \| good	32 \| good	22.536 \| good	1.628 \| good	7.296 \| good	0.246 \| good
2025-12-08T19:00:00.000Z	38 \| good	7.064 \| good	31.309 \| good	23.97 \| good	1.492 \| good	7.648 \| good	0.241 \| good
2025-12-08T20:00:00.000Z	33 \| good	6.467 \| good	28.721 \| good	24.082 \| good	1.355 \| good	8.001 \| good	0.235 \| good
2025-12-08T21:00:00.000Z	38 \| good	6.524 \| good	29.041 \| good	21.971 \| good	1.218 \| good	8.353 \| good	0.229 \| good
2025-12-08T22:00:00.000Z	38 \| good	6.911 \| good	30.782 \| good	15.033 \| good	1.088 \| good	11.552 \| good	0.246 \| good
2025-12-08T23:00:00.000Z	38 \| good	6.869 \| good	30.505 \| good	12.383 \| good	0.957 \| good	14.751 \| good	0.262 \| good
2025-12-09T00:00:00.000Z	52 \| moderate	9.564 \| good	42.326 \| good	12.055 \| good	0.826 \| good	17.95 \| good	0.279 \| good
2025-12-09T01:00:00.000Z	52 \| moderate	10.021 \| good	44.35 \| good	15.285 \| good	0.728 \| good	15.354 \| good	0.261 \| good
2025-12-09T02:00:00.000Z	52 \| moderate	9.877 \| good	43.966 \| good	15.911 \| good	0.63 \| good	12.759 \| good	0.243 \| good
2025-12-09T03:00:00.000Z	52 \| moderate	9.882 \| good	44.029 \| good	13.38 \| good	0.532 \| good	10.164 \| good	0.225 \| good
2025-12-09T04:00:00.000Z	54 \| moderate	11.028 \| good	48.664 \| good	14.544 \| good	0.507 \| good	8.535 \| good	0.213 \| good
2025-12-09T05:00:00.000Z	56 \| moderate	12.176 \| fine	54.931 \| good	15.356 \| good	0.483 \| good	6.906 \| good	0.202 \| good
2025-12-09T06:00:00.000Z	56 \| moderate	12.485 \| fine	56.584 \| fine	17.06 \| good	0.458 \| good	5.277 \| good	0.191 \| good
2025-12-09T07:00:00.000Z	60 \| moderate	13.778 \| fine	62.333 \| fine	16.438 \| good	0.628 \| good	4.944 \| good	0.188 \| good
2025-12-09T08:00:00.000Z	58 \| moderate	13.461 \| fine	60.427 \| fine	19.68 \| good	0.799 \| good	4.611 \| good	0.185 \| good
2025-12-09T09:00:00.000Z	56 \| moderate	12.495 \| fine	56.584 \| fine	18.454 \| good	0.969 \| good	4.278 \| good	0.182 \| good
2025-12-09T10:00:00.000Z	58 \| moderate	12.799 \| fine	57.299 \| fine	15.76 \| good	0.955 \| good	4.642 \| good	0.186 \| good
2025-12-09T11:00:00.000Z	58 \| moderate	12.902 \| fine	58.219 \| fine	16.316 \| good	0.942 \| good	5.006 \| good	0.19 \| good
2025-12-09T12:00:00.000Z	60 \| moderate	13.505 \| fine	60.759 \| fine	16.155 \| good	0.929 \| good	5.37 \| good	0.193 \| good
2025-12-09T13:00:00.000Z	60 \| moderate	13.635 \| fine	61.058 \| fine	17.296 \| good	0.85 \| good	5.567 \| good	0.196 \| good
2025-12-09T14:00:00.000Z	60 \| moderate	13.96 \| fine	63 \| fine	18.027 \| good	0.77 \| good	5.764 \| good	0.198 \| good
2025-12-09T15:00:00.000Z	62 \| moderate	14.918 \| fine	66.862 \| fine	18.773 \| good	0.69 \| good	5.961 \| good	0.201 \| good
2025-12-09T16:00:00.000Z	62 \| moderate	15.168 \| fine	67.716 \| fine	21.994 \| good	0.664 \| good	5.555 \| good	0.199 \| good
2025-12-09T17:00:00.000Z	60 \| moderate	13.745 \| fine	61.83 \| fine	24.683 \| good	0.638 \| good	5.148 \| good	0.197 \| good
2025-12-09T18:00:00.000Z	60 \| moderate	13.689 \| fine	61.33 \| fine	24.581 \| good	0.613 \| good	4.741 \| good	0.195 \| good
2025-12-09T19:00:00.000Z	58 \| moderate	13.311 \| fine	60.093 \| fine	22.502 \| good	0.614 \| good	5.219 \| good	0.196 \| good
2025-12-09T20:00:00.000Z	54 \| moderate	11.087 \| good	49.175 \| good	20.615 \| good	0.615 \| good	5.696 \| good	0.196 \| good
2025-12-09T21:00:00.000Z	49 \| good	9.448 \| good	42.426 \| good	18.774 \| good	0.616 \| good	6.173 \| good	0.197 \| good
2025-12-09T22:00:00.000Z	49 \| good	9.141 \| good	41.132 \| good	18.581 \| good	0.606 \| good	7.12 \| good	0.2 \| good
2025-12-09T23:00:00.000Z	49 \| good	8.576 \| good	37.211 \| good	19.249 \| good	0.596 \| good	8.068 \| good	0.203 \| good
2025-12-10T00:00:00.000Z	56 \| moderate	11.884 \| good	11.953 \| good	21.969 \| good	0.596 \| good	9.149 \| good	0.207 \| good
2025-12-10T01:00:00.000Z	54 \| moderate	11.16 \| good	49.189 \| good	17.047 \| good	0.559 \| good	8.007 \| good	0.198 \| good
2025-12-10T02:00:00.000Z	52 \| moderate	10.287 \| good	45.64 \| good	16.292 \| good	0.533 \| good	6.998 \| good	0.189 \| good
2025-12-10T03:00:00.000Z	52 \| moderate	9.765 \| good	43.551 \| good	19.862 \| good	0.506 \| good	5.99 \| good	0.181 \| good
2025-12-10T04:00:00.000Z	52 \| moderate	9.902 \| good	43.941 \| good	24.797 \| good	0.463 \| good	5.378 \| good	0.174 \| good

Live air quality index in Crest Hill, Illinois today

Major air pollutants in Crest Hill, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Crest Hill, Illinois air quality forecast and history

Get reliable air quality data to drive your business

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

Air quality in nearby cities

Joliet, Illinois

Lockport, Illinois

Shorewood, Illinois

Romeoville, Illinois

Plainfield, Illinois

New Lenox, Illinois

How accurate is Illinois, USA air quality data?

Air quality levels in US

Frequently asked questions

How often is air quality information updated for Crest Hill, Illinois?

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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