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

The PM10 concentration in Crest Hill, Illinois is 235.766 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 1.062 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 33.139 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 5.059 ppb.

Real-time air quality index in Crest Hill, Illinois today

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

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)

142

Unhealthy for sensitive groups

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)

52.36 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

235.77 μg/m³

155

255

425

605+

Ozone (O₃)

33.14 ppb

201

201+

Sulfur Dioxide (SO₂)

1.06 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.06 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.31 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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
2025-06-04T07:00:00.000Z	44 \| good	4.993 \| good	21.932 \| good	47.362 \| good	0.411 \| good	2.478 \| good	0.508 \| good
2025-06-04T08:00:00.000Z	38 \| good	4.243 \| good	19.365 \| good	40.792 \| good	0.425 \| good	4.153 \| good	0.641 \| good
2025-06-04T09:00:00.000Z	41 \| good	4.554 \| good	19.844 \| good	44.434 \| good	0.473 \| good	3.312 \| good	0.76 \| good
2025-06-04T10:00:00.000Z	37 \| good	4.1 \| good	19.05 \| good	39.812 \| good	0.547 \| good	4.038 \| good	0.76 \| good
2025-06-04T11:00:00.000Z	35 \| good	3.779 \| good	17.403 \| good	37.953 \| good	0.461 \| good	3.888 \| good	0.808 \| good
2025-06-04T12:00:00.000Z	34 \| good	3.292 \| good	14.844 \| good	37.441 \| good	0.353 \| good	4.267 \| good	0.656 \| good
2025-06-04T13:00:00.000Z	35 \| good	3.7 \| good	16.152 \| good	38.343 \| good	1.106 \| good	7.469 \| good	0.263 \| good
2025-06-04T14:00:00.000Z	31 \| good	3.704 \| good	17.098 \| good	33.658 \| good	0.35 \| good	10.992 \| good	0.752 \| good
2025-06-04T15:00:00.000Z	62 \| moderate	14.513 \| fine	64.011 \| fine	30.559 \| good	0.307 \| good	10.242 \| good	0.771 \| good
2025-06-04T16:00:00.000Z	82 \| moderate	25.872 \| fine	113.308 \| fine	38.353 \| good	0.449 \| good	3.451 \| good	0.47 \| good
2025-06-04T17:00:00.000Z	92 \| moderate	30.717 \| fine	133.184 \| fine	34.992 \| good	0.453 \| good	4.542 \| good	0.56 \| good
2025-06-04T18:00:00.000Z	82 \| moderate	26.09 \| fine	113.52 \| fine	32.143 \| good	0.518 \| good	5.399 \| good	0.6 \| good
2025-06-04T19:00:00.000Z	71 \| moderate	20.413 \| fine	88.559 \| fine	37.895 \| good	0.401 \| good	3.533 \| good	0.555 \| good
2025-06-04T20:00:00.000Z	64 \| moderate	16.011 \| fine	75.918 \| fine	41.608 \| good	0.433 \| good	5.224 \| good	0.358 \| good
2025-06-04T21:00:00.000Z	56 \| moderate	11.907 \| good	53.322 \| good	40.201 \| good	0.462 \| good	4.602 \| good	0.318 \| good
2025-06-04T22:00:00.000Z	52 \| moderate	9.619 \| good	43.513 \| good	37.771 \| good	0.433 \| good	2.267 \| good	0.318 \| good
2025-06-04T23:00:00.000Z	56 \| moderate	11.714 \| good	52.384 \| good	42.01 \| good	0.413 \| good	3.84 \| good	0.291 \| good
2025-06-05T00:00:00.000Z	58 \| moderate	13.076 \| fine	59.939 \| fine	42.597 \| good	0.365 \| good	4.371 \| good	0.352 \| good
2025-06-05T01:00:00.000Z	56 \| moderate	12.077 \| good	53.188 \| good	37.877 \| good	0.343 \| good	3.74 \| good	0.398 \| good
2025-06-05T02:00:00.000Z	56 \| moderate	12.016 \| good	52.609 \| good	34.677 \| good	0.424 \| good	10.144 \| good	0.495 \| good
2025-06-05T03:00:00.000Z	60 \| moderate	14.04 \| fine	64.007 \| fine	30.349 \| good	0.411 \| good	13.525 \| good	0.486 \| good
2025-06-05T04:00:00.000Z	71 \| moderate	20.115 \| fine	88.614 \| fine	29.325 \| good	0.388 \| good	18.127 \| good	0.499 \| good
2025-06-05T05:00:00.000Z	82 \| moderate	25.555 \| fine	110.686 \| fine	24.19 \| good	0.371 \| good	18.434 \| good	0.458 \| good
2025-06-05T06:00:00.000Z	90 \| moderate	29.938 \| fine	132.306 \| fine	24.252 \| good	0.326 \| good	16.406 \| good	0.458 \| good
2025-06-05T07:00:00.000Z	90 \| moderate	29.855 \| fine	126.63 \| fine	21.565 \| good	0.443 \| good	15.415 \| good	0.432 \| good
2025-06-05T08:00:00.000Z	90 \| moderate	29.681 \| fine	127.443 \| fine	33.876 \| good	0.529 \| good	13.927 \| good	0.43 \| good
2025-06-05T09:00:00.000Z	94 \| moderate	31.646 \| fine	137.177 \| fine	22.406 \| good	0.545 \| good	13.119 \| good	0.457 \| good
2025-06-05T10:00:00.000Z	102 \| sensitive	36.308 \| moderate	157.424 \| moderate	22.353 \| good	0.438 \| good	13.779 \| good	0.46 \| good
2025-06-05T11:00:00.000Z	122 \| sensitive	43.639 \| moderate	194.032 \| moderate	27.228 \| good	0.437 \| good	15.521 \| good	0.471 \| good
2025-06-05T12:00:00.000Z	128 \| sensitive	46.427 \| moderate	209.111 \| moderate	18.015 \| good	0.41 \| good	16.418 \| good	0.447 \| good
2025-06-05T13:00:00.000Z	135 \| sensitive	49.359 \| moderate	222.654 \| moderate	20.793 \| good	0.422 \| good	8.999 \| good	0.394 \| good
2025-06-05T14:00:00.000Z	132 \| sensitive	48.175 \| moderate	217.162 \| moderate	23.827 \| good	0.408 \| good	6.127 \| good	0.393 \| good
2025-06-05T15:00:00.000Z	122 \| sensitive	43.784 \| moderate	195.946 \| moderate	28.307 \| good	0.389 \| good	4.43 \| good	0.394 \| good
2025-06-05T16:00:00.000Z	139 \| sensitive	51.015 \| moderate	231.23 \| moderate	34.461 \| good	0.801 \| good	4.293 \| good	0.368 \| good
2025-06-05T17:00:00.000Z	155 \| unhealthy	60.721 \| poor	259.051 \| poor	42.269 \| good	2.617 \| good	4.73 \| good	0.358 \| good
2025-06-05T18:00:00.000Z	159 \| unhealthy	66.569 \| poor	264.186 \| poor	45.747 \| good	1.272 \| good	3.487 \| good	0.344 \| good
2025-06-05T19:00:00.000Z	160 \| unhealthy	68.567 \| poor	260.508 \| poor	46.519 \| good	1.411 \| good	1.29 \| good	0.293 \| good
2025-06-05T20:00:00.000Z	153 \| unhealthy	59.316 \| poor	256.372 \| poor	54.012 \| good	0.943 \| good	3.168 \| good	0.268 \| good
2025-06-05T21:00:00.000Z	139 \| sensitive	50.993 \| moderate	226.257 \| moderate	51.564 \| good	0.938 \| good	3.607 \| good	0.252 \| good
2025-06-05T22:00:00.000Z	129 \| sensitive	47.273 \| moderate	209.573 \| moderate	51.159 \| good	0.478 \| good	4.684 \| good	0.252 \| good
2025-06-05T23:00:00.000Z	115 \| sensitive	41.019 \| moderate	179.894 \| moderate	53.977 \| good	0.42 \| good	6.303 \| good	0.227 \| good
2025-06-06T00:00:00.000Z	107 \| sensitive	37.537 \| moderate	162.495 \| moderate	53.53 \| good	0.788 \| good	5.48 \| good	0.243 \| good
2025-06-06T01:00:00.000Z	119 \| sensitive	42.56 \| moderate	187.841 \| moderate	52.422 \| good	1.15 \| good	7.339 \| good	0.243 \| good
2025-06-06T02:00:00.000Z	132 \| sensitive	48.459 \| moderate	217.095 \| moderate	50.399 \| good	2.127 \| good	10.168 \| good	0.258 \| good
2025-06-06T03:00:00.000Z	147 \| sensitive	53.861 \| moderate	242.361 \| moderate	45.943 \| good	2.08 \| good	11.661 \| good	0.286 \| good
2025-06-06T04:00:00.000Z	149 \| sensitive	54.557 \| moderate	247.266 \| moderate	45.482 \| good	2.233 \| good	3.523 \| good	0.27 \| good
2025-06-06T05:00:00.000Z	142 \| sensitive	52.361 \| moderate	235.766 \| moderate	33.139 \| good	1.062 \| good	5.059 \| good	0.308 \| good
2025-06-06T06:00:00.000Z	142 \| sensitive	52.361 \| moderate	235.766 \| moderate	33.139 \| good	1.062 \| good	5.059 \| good	0.308 \| good
2025-06-06T07:00:00.000Z	115 \| sensitive	40.737 \| moderate	180.407 \| moderate	18.337 \| good	1.393 \| good	8.074 \| good	0.239 \| good
2025-06-06T08:00:00.000Z	105 \| sensitive	37.171 \| moderate	163.089 \| moderate	20.38 \| good	1.394 \| good	7.933 \| good	0.238 \| good
2025-06-06T09:00:00.000Z	102 \| sensitive	35.756 \| moderate	155.682 \| moderate	21.03 \| good	1.394 \| good	7.792 \| good	0.237 \| good
2025-06-06T10:00:00.000Z	103 \| sensitive	36.387 \| moderate	159.108 \| moderate	19.634 \| good	1.519 \| good	8.002 \| good	0.236 \| good
2025-06-06T11:00:00.000Z	96 \| moderate	33.462 \| fine	145.232 \| fine	18.632 \| good	1.555 \| good	8.121 \| good	0.237 \| good
2025-06-06T12:00:00.000Z	92 \| moderate	31.286 \| fine	134.95 \| fine	17.305 \| good	1.59 \| good	8.24 \| good	0.237 \| good
2025-06-06T13:00:00.000Z	88 \| moderate	29.137 \| fine	126.653 \| fine	19.045 \| good	2.366 \| good	5.07 \| good	0.227 \| good
2025-06-06T14:00:00.000Z	94 \| moderate	32.42 \| fine	140.198 \| fine	19.532 \| good	2.374 \| good	5.353 \| good	0.23 \| good
2025-06-06T15:00:00.000Z	90 \| moderate	30.154 \| fine	131.333 \| fine	26.197 \| good	2.383 \| good	5.635 \| good	0.234 \| good
2025-06-06T16:00:00.000Z	73 \| moderate	21.487 \| fine	93.866 \| fine	36.85 \| good	1.706 \| good	2.241 \| good	0.189 \| good
2025-06-06T17:00:00.000Z	58 \| moderate	13.207 \| fine	59.401 \| fine	48.216 \| good	1.728 \| good	2.442 \| good	0.193 \| good
2025-06-06T18:00:00.000Z	54 \| moderate	9.645 \| good	42.75 \| good	56.153 \| fine	1.75 \| good	2.643 \| good	0.198 \| good
2025-06-06T19:00:00.000Z	77 \| moderate	8.566 \| good	37.475 \| good	62.796 \| fine	1.527 \| good	1.979 \| good	0.179 \| good
2025-06-06T20:00:00.000Z	87 \| moderate	8.204 \| good	35.927 \| good	65.807 \| fine	1.548 \| good	2.191 \| good	0.183 \| good
2025-06-06T21:00:00.000Z	90 \| moderate	10.416 \| good	46.192 \| good	66.572 \| fine	1.569 \| good	2.402 \| good	0.187 \| good
2025-06-06T22:00:00.000Z	74 \| moderate	10.876 \| good	47.974 \| good	61.701 \| fine	1.883 \| good	4.832 \| good	0.188 \| good
2025-06-06T23:00:00.000Z	64 \| moderate	15.746 \| fine	69.778 \| fine	50.438 \| good	1.926 \| good	5.394 \| good	0.193 \| good
2025-06-07T00:00:00.000Z	81 \| moderate	24.641 \| fine	107.411 \| fine	42.618 \| good	1.969 \| good	5.957 \| good	0.198 \| good
2025-06-07T01:00:00.000Z	73 \| moderate	20.588 \| fine	90.851 \| fine	41.731 \| good	2.323 \| good	12.764 \| good	0.226 \| good
2025-06-07T02:00:00.000Z	67 \| moderate	18.339 \| fine	80.465 \| fine	36.737 \| good	2.356 \| good	13.509 \| good	0.229 \| good
2025-06-07T03:00:00.000Z	66 \| moderate	16.69 \| fine	74.432 \| fine	28.968 \| good	2.389 \| good	14.254 \| good	0.232 \| good
2025-06-07T04:00:00.000Z	60 \| moderate	14.418 \| fine	64.93 \| fine	21.399 \| good	2.19 \| good	14.678 \| good	0.23 \| good
2025-06-07T05:00:00.000Z	58 \| moderate	12.817 \| fine	58.175 \| fine	17.369 \| good	2.145 \| good	14.68 \| good	0.228 \| good
2025-06-07T06:00:00.000Z	56 \| moderate	11.566 \| good	51.737 \| good	15.132 \| good	2.099 \| good	14.682 \| good	0.226 \| good
2025-06-07T07:00:00.000Z	54 \| moderate	10.869 \| good	47.903 \| good	15.193 \| good	1.82 \| good	11.811 \| good	0.201 \| good
2025-06-07T08:00:00.000Z	52 \| moderate	9.639 \| good	42.592 \| good	14.875 \| good	1.754 \| good	11.248 \| good	0.196 \| good
2025-06-07T09:00:00.000Z	49 \| good	8.767 \| good	38.465 \| good	15.957 \| good	1.689 \| good	10.685 \| good	0.191 \| good
2025-06-07T10:00:00.000Z	44 \| good	8.11 \| good	35.411 \| good	15.547 \| good	1.61 \| good	9.584 \| good	0.193 \| good
2025-06-07T11:00:00.000Z	38 \| good	6.581 \| good	28.998 \| good	19.908 \| good	1.602 \| good	9.547 \| good	0.193 \| good
2025-06-07T12:00:00.000Z	38 \| good	6.962 \| good	30.851 \| good	26.327 \| good	1.595 \| good	9.51 \| good	0.194 \| good
2025-06-07T13:00:00.000Z	49 \| good	8.557 \| good	37.679 \| good	31.604 \| good	2.423 \| good	6.048 \| good	0.232 \| good
2025-06-07T14:00:00.000Z	54 \| moderate	10.76 \| good	47.514 \| good	35.48 \| good	2.397 \| good	6.27 \| good	0.238 \| good
2025-06-07T15:00:00.000Z	56 \| moderate	11.61 \| good	51.127 \| good	39.668 \| good	2.37 \| good	6.493 \| good	0.244 \| good
2025-06-07T16:00:00.000Z	49 \| good	9.339 \| good	41.321 \| good	43.067 \| good	1.543 \| good	1.734 \| good	0.213 \| good
2025-06-07T17:00:00.000Z	43 \| good	3.536 \| good	15.247 \| good	45.716 \| good	1.531 \| good	1.831 \| good	0.214 \| good
2025-06-07T18:00:00.000Z	42 \| good	0.452 \| good	1.836 \| good	45.196 \| good	1.519 \| good	1.928 \| good	0.215 \| good
2025-06-07T19:00:00.000Z	36 \| good	0.769 \| good	2.713 \| good	38.731 \| good	1.458 \| good	1.604 \| good	0.205 \| good
2025-06-07T20:00:00.000Z	33 \| good	1.975 \| good	8.308 \| good	36.327 \| good	1.485 \| good	1.759 \| good	0.206 \| good
2025-06-07T21:00:00.000Z	31 \| good	2.542 \| good	10.259 \| good	34.429 \| good	1.511 \| good	1.915 \| good	0.207 \| good
2025-06-07T22:00:00.000Z	38 \| good	6.55 \| good	28.82 \| good	34.394 \| good	1.501 \| good	4.05 \| good	0.218 \| good
2025-06-07T23:00:00.000Z	52 \| moderate	10.07 \| good	44.438 \| good	35.752 \| good	1.56 \| good	4.573 \| good	0.221 \| good
2025-06-08T00:00:00.000Z	62 \| moderate	14.526 \| fine	65.232 \| fine	35.299 \| good	1.62 \| good	5.097 \| good	0.224 \| good
2025-06-08T01:00:00.000Z	54 \| moderate	11.209 \| good	49.402 \| good	33.702 \| good	1.774 \| good	9.261 \| good	0.234 \| good
2025-06-08T02:00:00.000Z	52 \| moderate	10.484 \| good	46.546 \| good	32.596 \| good	1.709 \| good	9.646 \| good	0.234 \| good
2025-06-08T03:00:00.000Z	52 \| moderate	9.84 \| good	44.129 \| good	32.979 \| good	1.644 \| good	10.032 \| good	0.234 \| good
2025-06-08T04:00:00.000Z	49 \| good	9.193 \| good	40.587 \| good	31.376 \| good	1.661 \| good	8.903 \| good	0.228 \| good
2025-06-08T05:00:00.000Z	52 \| moderate	9.934 \| good	43.919 \| good	29.098 \| good	1.589 \| good	8.878 \| good	0.227 \| good
2025-06-08T06:00:00.000Z	60 \| moderate	14.303 \| fine	14.84 \| good	34.869 \| good	1.511 \| good	8.903 \| good	0.226 \| good

Crest Hill

Get reliable air quality data to drive your business

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

0.31ppm

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 07:00:00 on 2025-06-05.

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 08:00:00 on 2025-06-05.

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

As of now, the AQI in Crest Hill, Illinois is 142, indicating Unhealthy for Sensitive Groups 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 52.361 μg/m³.

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

The PM₁₀ concentration in Crest Hill, Illinois is 235.766 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 0.308 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 1.062 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 33.139 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 5.059 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-04T07:00:00.000Z	44 \| good	4.993 \| good	21.932 \| good	47.362 \| good	0.411 \| good	2.478 \| good	0.508 \| good
2025-06-04T08:00:00.000Z	38 \| good	4.243 \| good	19.365 \| good	40.792 \| good	0.425 \| good	4.153 \| good	0.641 \| good
2025-06-04T09:00:00.000Z	41 \| good	4.554 \| good	19.844 \| good	44.434 \| good	0.473 \| good	3.312 \| good	0.76 \| good
2025-06-04T10:00:00.000Z	37 \| good	4.1 \| good	19.05 \| good	39.812 \| good	0.547 \| good	4.038 \| good	0.76 \| good
2025-06-04T11:00:00.000Z	35 \| good	3.779 \| good	17.403 \| good	37.953 \| good	0.461 \| good	3.888 \| good	0.808 \| good
2025-06-04T12:00:00.000Z	34 \| good	3.292 \| good	14.844 \| good	37.441 \| good	0.353 \| good	4.267 \| good	0.656 \| good
2025-06-04T13:00:00.000Z	35 \| good	3.7 \| good	16.152 \| good	38.343 \| good	1.106 \| good	7.469 \| good	0.263 \| good
2025-06-04T14:00:00.000Z	31 \| good	3.704 \| good	17.098 \| good	33.658 \| good	0.35 \| good	10.992 \| good	0.752 \| good
2025-06-04T15:00:00.000Z	62 \| moderate	14.513 \| fine	64.011 \| fine	30.559 \| good	0.307 \| good	10.242 \| good	0.771 \| good
2025-06-04T16:00:00.000Z	82 \| moderate	25.872 \| fine	113.308 \| fine	38.353 \| good	0.449 \| good	3.451 \| good	0.47 \| good
2025-06-04T17:00:00.000Z	92 \| moderate	30.717 \| fine	133.184 \| fine	34.992 \| good	0.453 \| good	4.542 \| good	0.56 \| good
2025-06-04T18:00:00.000Z	82 \| moderate	26.09 \| fine	113.52 \| fine	32.143 \| good	0.518 \| good	5.399 \| good	0.6 \| good
2025-06-04T19:00:00.000Z	71 \| moderate	20.413 \| fine	88.559 \| fine	37.895 \| good	0.401 \| good	3.533 \| good	0.555 \| good
2025-06-04T20:00:00.000Z	64 \| moderate	16.011 \| fine	75.918 \| fine	41.608 \| good	0.433 \| good	5.224 \| good	0.358 \| good
2025-06-04T21:00:00.000Z	56 \| moderate	11.907 \| good	53.322 \| good	40.201 \| good	0.462 \| good	4.602 \| good	0.318 \| good
2025-06-04T22:00:00.000Z	52 \| moderate	9.619 \| good	43.513 \| good	37.771 \| good	0.433 \| good	2.267 \| good	0.318 \| good
2025-06-04T23:00:00.000Z	56 \| moderate	11.714 \| good	52.384 \| good	42.01 \| good	0.413 \| good	3.84 \| good	0.291 \| good
2025-06-05T00:00:00.000Z	58 \| moderate	13.076 \| fine	59.939 \| fine	42.597 \| good	0.365 \| good	4.371 \| good	0.352 \| good
2025-06-05T01:00:00.000Z	56 \| moderate	12.077 \| good	53.188 \| good	37.877 \| good	0.343 \| good	3.74 \| good	0.398 \| good
2025-06-05T02:00:00.000Z	56 \| moderate	12.016 \| good	52.609 \| good	34.677 \| good	0.424 \| good	10.144 \| good	0.495 \| good
2025-06-05T03:00:00.000Z	60 \| moderate	14.04 \| fine	64.007 \| fine	30.349 \| good	0.411 \| good	13.525 \| good	0.486 \| good
2025-06-05T04:00:00.000Z	71 \| moderate	20.115 \| fine	88.614 \| fine	29.325 \| good	0.388 \| good	18.127 \| good	0.499 \| good
2025-06-05T05:00:00.000Z	82 \| moderate	25.555 \| fine	110.686 \| fine	24.19 \| good	0.371 \| good	18.434 \| good	0.458 \| good
2025-06-05T06:00:00.000Z	90 \| moderate	29.938 \| fine	132.306 \| fine	24.252 \| good	0.326 \| good	16.406 \| good	0.458 \| good
2025-06-05T07:00:00.000Z	90 \| moderate	29.855 \| fine	126.63 \| fine	21.565 \| good	0.443 \| good	15.415 \| good	0.432 \| good
2025-06-05T08:00:00.000Z	90 \| moderate	29.681 \| fine	127.443 \| fine	33.876 \| good	0.529 \| good	13.927 \| good	0.43 \| good
2025-06-05T09:00:00.000Z	94 \| moderate	31.646 \| fine	137.177 \| fine	22.406 \| good	0.545 \| good	13.119 \| good	0.457 \| good
2025-06-05T10:00:00.000Z	102 \| sensitive	36.308 \| moderate	157.424 \| moderate	22.353 \| good	0.438 \| good	13.779 \| good	0.46 \| good
2025-06-05T11:00:00.000Z	122 \| sensitive	43.639 \| moderate	194.032 \| moderate	27.228 \| good	0.437 \| good	15.521 \| good	0.471 \| good
2025-06-05T12:00:00.000Z	128 \| sensitive	46.427 \| moderate	209.111 \| moderate	18.015 \| good	0.41 \| good	16.418 \| good	0.447 \| good
2025-06-05T13:00:00.000Z	135 \| sensitive	49.359 \| moderate	222.654 \| moderate	20.793 \| good	0.422 \| good	8.999 \| good	0.394 \| good
2025-06-05T14:00:00.000Z	132 \| sensitive	48.175 \| moderate	217.162 \| moderate	23.827 \| good	0.408 \| good	6.127 \| good	0.393 \| good
2025-06-05T15:00:00.000Z	122 \| sensitive	43.784 \| moderate	195.946 \| moderate	28.307 \| good	0.389 \| good	4.43 \| good	0.394 \| good
2025-06-05T16:00:00.000Z	139 \| sensitive	51.015 \| moderate	231.23 \| moderate	34.461 \| good	0.801 \| good	4.293 \| good	0.368 \| good
2025-06-05T17:00:00.000Z	155 \| unhealthy	60.721 \| poor	259.051 \| poor	42.269 \| good	2.617 \| good	4.73 \| good	0.358 \| good
2025-06-05T18:00:00.000Z	159 \| unhealthy	66.569 \| poor	264.186 \| poor	45.747 \| good	1.272 \| good	3.487 \| good	0.344 \| good
2025-06-05T19:00:00.000Z	160 \| unhealthy	68.567 \| poor	260.508 \| poor	46.519 \| good	1.411 \| good	1.29 \| good	0.293 \| good
2025-06-05T20:00:00.000Z	153 \| unhealthy	59.316 \| poor	256.372 \| poor	54.012 \| good	0.943 \| good	3.168 \| good	0.268 \| good
2025-06-05T21:00:00.000Z	139 \| sensitive	50.993 \| moderate	226.257 \| moderate	51.564 \| good	0.938 \| good	3.607 \| good	0.252 \| good
2025-06-05T22:00:00.000Z	129 \| sensitive	47.273 \| moderate	209.573 \| moderate	51.159 \| good	0.478 \| good	4.684 \| good	0.252 \| good
2025-06-05T23:00:00.000Z	115 \| sensitive	41.019 \| moderate	179.894 \| moderate	53.977 \| good	0.42 \| good	6.303 \| good	0.227 \| good
2025-06-06T00:00:00.000Z	107 \| sensitive	37.537 \| moderate	162.495 \| moderate	53.53 \| good	0.788 \| good	5.48 \| good	0.243 \| good
2025-06-06T01:00:00.000Z	119 \| sensitive	42.56 \| moderate	187.841 \| moderate	52.422 \| good	1.15 \| good	7.339 \| good	0.243 \| good
2025-06-06T02:00:00.000Z	132 \| sensitive	48.459 \| moderate	217.095 \| moderate	50.399 \| good	2.127 \| good	10.168 \| good	0.258 \| good
2025-06-06T03:00:00.000Z	147 \| sensitive	53.861 \| moderate	242.361 \| moderate	45.943 \| good	2.08 \| good	11.661 \| good	0.286 \| good
2025-06-06T04:00:00.000Z	149 \| sensitive	54.557 \| moderate	247.266 \| moderate	45.482 \| good	2.233 \| good	3.523 \| good	0.27 \| good
2025-06-06T05:00:00.000Z	142 \| sensitive	52.361 \| moderate	235.766 \| moderate	33.139 \| good	1.062 \| good	5.059 \| good	0.308 \| good
2025-06-06T06:00:00.000Z	142 \| sensitive	52.361 \| moderate	235.766 \| moderate	33.139 \| good	1.062 \| good	5.059 \| good	0.308 \| good
2025-06-06T07:00:00.000Z	115 \| sensitive	40.737 \| moderate	180.407 \| moderate	18.337 \| good	1.393 \| good	8.074 \| good	0.239 \| good
2025-06-06T08:00:00.000Z	105 \| sensitive	37.171 \| moderate	163.089 \| moderate	20.38 \| good	1.394 \| good	7.933 \| good	0.238 \| good
2025-06-06T09:00:00.000Z	102 \| sensitive	35.756 \| moderate	155.682 \| moderate	21.03 \| good	1.394 \| good	7.792 \| good	0.237 \| good
2025-06-06T10:00:00.000Z	103 \| sensitive	36.387 \| moderate	159.108 \| moderate	19.634 \| good	1.519 \| good	8.002 \| good	0.236 \| good
2025-06-06T11:00:00.000Z	96 \| moderate	33.462 \| fine	145.232 \| fine	18.632 \| good	1.555 \| good	8.121 \| good	0.237 \| good
2025-06-06T12:00:00.000Z	92 \| moderate	31.286 \| fine	134.95 \| fine	17.305 \| good	1.59 \| good	8.24 \| good	0.237 \| good
2025-06-06T13:00:00.000Z	88 \| moderate	29.137 \| fine	126.653 \| fine	19.045 \| good	2.366 \| good	5.07 \| good	0.227 \| good
2025-06-06T14:00:00.000Z	94 \| moderate	32.42 \| fine	140.198 \| fine	19.532 \| good	2.374 \| good	5.353 \| good	0.23 \| good
2025-06-06T15:00:00.000Z	90 \| moderate	30.154 \| fine	131.333 \| fine	26.197 \| good	2.383 \| good	5.635 \| good	0.234 \| good
2025-06-06T16:00:00.000Z	73 \| moderate	21.487 \| fine	93.866 \| fine	36.85 \| good	1.706 \| good	2.241 \| good	0.189 \| good
2025-06-06T17:00:00.000Z	58 \| moderate	13.207 \| fine	59.401 \| fine	48.216 \| good	1.728 \| good	2.442 \| good	0.193 \| good
2025-06-06T18:00:00.000Z	54 \| moderate	9.645 \| good	42.75 \| good	56.153 \| fine	1.75 \| good	2.643 \| good	0.198 \| good
2025-06-06T19:00:00.000Z	77 \| moderate	8.566 \| good	37.475 \| good	62.796 \| fine	1.527 \| good	1.979 \| good	0.179 \| good
2025-06-06T20:00:00.000Z	87 \| moderate	8.204 \| good	35.927 \| good	65.807 \| fine	1.548 \| good	2.191 \| good	0.183 \| good
2025-06-06T21:00:00.000Z	90 \| moderate	10.416 \| good	46.192 \| good	66.572 \| fine	1.569 \| good	2.402 \| good	0.187 \| good
2025-06-06T22:00:00.000Z	74 \| moderate	10.876 \| good	47.974 \| good	61.701 \| fine	1.883 \| good	4.832 \| good	0.188 \| good
2025-06-06T23:00:00.000Z	64 \| moderate	15.746 \| fine	69.778 \| fine	50.438 \| good	1.926 \| good	5.394 \| good	0.193 \| good
2025-06-07T00:00:00.000Z	81 \| moderate	24.641 \| fine	107.411 \| fine	42.618 \| good	1.969 \| good	5.957 \| good	0.198 \| good
2025-06-07T01:00:00.000Z	73 \| moderate	20.588 \| fine	90.851 \| fine	41.731 \| good	2.323 \| good	12.764 \| good	0.226 \| good
2025-06-07T02:00:00.000Z	67 \| moderate	18.339 \| fine	80.465 \| fine	36.737 \| good	2.356 \| good	13.509 \| good	0.229 \| good
2025-06-07T03:00:00.000Z	66 \| moderate	16.69 \| fine	74.432 \| fine	28.968 \| good	2.389 \| good	14.254 \| good	0.232 \| good
2025-06-07T04:00:00.000Z	60 \| moderate	14.418 \| fine	64.93 \| fine	21.399 \| good	2.19 \| good	14.678 \| good	0.23 \| good
2025-06-07T05:00:00.000Z	58 \| moderate	12.817 \| fine	58.175 \| fine	17.369 \| good	2.145 \| good	14.68 \| good	0.228 \| good
2025-06-07T06:00:00.000Z	56 \| moderate	11.566 \| good	51.737 \| good	15.132 \| good	2.099 \| good	14.682 \| good	0.226 \| good
2025-06-07T07:00:00.000Z	54 \| moderate	10.869 \| good	47.903 \| good	15.193 \| good	1.82 \| good	11.811 \| good	0.201 \| good
2025-06-07T08:00:00.000Z	52 \| moderate	9.639 \| good	42.592 \| good	14.875 \| good	1.754 \| good	11.248 \| good	0.196 \| good
2025-06-07T09:00:00.000Z	49 \| good	8.767 \| good	38.465 \| good	15.957 \| good	1.689 \| good	10.685 \| good	0.191 \| good
2025-06-07T10:00:00.000Z	44 \| good	8.11 \| good	35.411 \| good	15.547 \| good	1.61 \| good	9.584 \| good	0.193 \| good
2025-06-07T11:00:00.000Z	38 \| good	6.581 \| good	28.998 \| good	19.908 \| good	1.602 \| good	9.547 \| good	0.193 \| good
2025-06-07T12:00:00.000Z	38 \| good	6.962 \| good	30.851 \| good	26.327 \| good	1.595 \| good	9.51 \| good	0.194 \| good
2025-06-07T13:00:00.000Z	49 \| good	8.557 \| good	37.679 \| good	31.604 \| good	2.423 \| good	6.048 \| good	0.232 \| good
2025-06-07T14:00:00.000Z	54 \| moderate	10.76 \| good	47.514 \| good	35.48 \| good	2.397 \| good	6.27 \| good	0.238 \| good
2025-06-07T15:00:00.000Z	56 \| moderate	11.61 \| good	51.127 \| good	39.668 \| good	2.37 \| good	6.493 \| good	0.244 \| good
2025-06-07T16:00:00.000Z	49 \| good	9.339 \| good	41.321 \| good	43.067 \| good	1.543 \| good	1.734 \| good	0.213 \| good
2025-06-07T17:00:00.000Z	43 \| good	3.536 \| good	15.247 \| good	45.716 \| good	1.531 \| good	1.831 \| good	0.214 \| good
2025-06-07T18:00:00.000Z	42 \| good	0.452 \| good	1.836 \| good	45.196 \| good	1.519 \| good	1.928 \| good	0.215 \| good
2025-06-07T19:00:00.000Z	36 \| good	0.769 \| good	2.713 \| good	38.731 \| good	1.458 \| good	1.604 \| good	0.205 \| good
2025-06-07T20:00:00.000Z	33 \| good	1.975 \| good	8.308 \| good	36.327 \| good	1.485 \| good	1.759 \| good	0.206 \| good
2025-06-07T21:00:00.000Z	31 \| good	2.542 \| good	10.259 \| good	34.429 \| good	1.511 \| good	1.915 \| good	0.207 \| good
2025-06-07T22:00:00.000Z	38 \| good	6.55 \| good	28.82 \| good	34.394 \| good	1.501 \| good	4.05 \| good	0.218 \| good
2025-06-07T23:00:00.000Z	52 \| moderate	10.07 \| good	44.438 \| good	35.752 \| good	1.56 \| good	4.573 \| good	0.221 \| good
2025-06-08T00:00:00.000Z	62 \| moderate	14.526 \| fine	65.232 \| fine	35.299 \| good	1.62 \| good	5.097 \| good	0.224 \| good
2025-06-08T01:00:00.000Z	54 \| moderate	11.209 \| good	49.402 \| good	33.702 \| good	1.774 \| good	9.261 \| good	0.234 \| good
2025-06-08T02:00:00.000Z	52 \| moderate	10.484 \| good	46.546 \| good	32.596 \| good	1.709 \| good	9.646 \| good	0.234 \| good
2025-06-08T03:00:00.000Z	52 \| moderate	9.84 \| good	44.129 \| good	32.979 \| good	1.644 \| good	10.032 \| good	0.234 \| good
2025-06-08T04:00:00.000Z	49 \| good	9.193 \| good	40.587 \| good	31.376 \| good	1.661 \| good	8.903 \| good	0.228 \| good
2025-06-08T05:00:00.000Z	52 \| moderate	9.934 \| good	43.919 \| good	29.098 \| good	1.589 \| good	8.878 \| good	0.227 \| good
2025-06-08T06:00:00.000Z	60 \| moderate	14.303 \| fine	14.84 \| good	34.869 \| good	1.511 \| good	8.903 \| good	0.226 \| good

Real-time 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)

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

Air quality in nearby cities

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Frequently asked questions

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What is the 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?