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

The PM10 concentration in Crest Hill, Illinois is 56.378 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 2.675 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 25.887 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 4.74 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 12.441 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)

Moderate

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)

12.44 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

56.38 μg/m³

155

255

425

605+

Ozone (O₃)

25.89 ppb

201

201+

Sulfur Dioxide (SO₂)

2.67 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.74 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 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
2026-10-20T21:00:00.000Z	35 \| good	5.942 \| good	25.443 \| good	37.695 \| good	4.604 \| good	7.745 \| good	0.202 \| good
2026-10-20T22:00:00.000Z	42 \| good	5.321 \| good	23.018 \| good	44.606 \| good	7.294 \| good	8.257 \| good	0.202 \| good
2026-10-20T23:00:00.000Z	41 \| good	5.011 \| good	21.721 \| good	44.267 \| good	4.129 \| good	25.332 \| good	0.215 \| good
2026-10-21T00:00:00.000Z	42 \| good	5.539 \| good	23.976 \| good	45.132 \| good	1.023 \| good	24.64 \| good	0.26 \| good
2026-10-21T01:00:00.000Z	49 \| good	8.753 \| good	38.564 \| good	39.215 \| good	0.73 \| good	30.295 \| good	0.273 \| good
2026-10-21T02:00:00.000Z	56 \| moderate	11.674 \| good	51.901 \| good	36.43 \| good	0.608 \| good	29.931 \| good	0.287 \| good
2026-10-21T03:00:00.000Z	49 \| good	9.313 \| good	41.257 \| good	13.509 \| good	3.659 \| good	38.652 \| good	0.33 \| good
2026-10-21T04:00:00.000Z	60 \| moderate	13.83 \| fine	61.883 \| fine	32.95 \| good	0.549 \| good	28.935 \| good	0.282 \| good
2026-10-21T05:00:00.000Z	66 \| moderate	17.019 \| fine	74.637 \| fine	25.716 \| good	1.305 \| good	24.79 \| good	0.271 \| good
2026-10-21T06:00:00.000Z	66 \| moderate	17.066 \| fine	75.326 \| fine	28.637 \| good	1.756 \| good	22.838 \| good	0.256 \| good
2026-10-21T07:00:00.000Z	69 \| moderate	19 \| fine	84.062 \| fine	18.569 \| good	1.543 \| good	19.173 \| good	0.269 \| good
2026-10-21T08:00:00.000Z	71 \| moderate	20.074 \| fine	87.459 \| fine	17.041 \| good	0.908 \| good	19.786 \| good	0.242 \| good
2026-10-21T09:00:00.000Z	71 \| moderate	19.542 \| fine	85.024 \| fine	20.272 \| good	0.893 \| good	22.582 \| good	0.229 \| good
2026-10-21T10:00:00.000Z	67 \| moderate	18.401 \| fine	81.126 \| fine	10.137 \| good	0.943 \| good	23.647 \| good	0.269 \| good
2026-10-21T11:00:00.000Z	69 \| moderate	18.541 \| fine	80.577 \| fine	8.567 \| good	0.998 \| good	23.903 \| good	0.323 \| good
2026-10-21T12:00:00.000Z	66 \| moderate	16.992 \| fine	75.712 \| fine	6.772 \| good	0.977 \| good	23.531 \| good	0.338 \| good
2026-10-21T13:00:00.000Z	66 \| moderate	16.873 \| fine	75.181 \| fine	8.908 \| good	1.01 \| good	20.291 \| good	0.338 \| good
2026-10-21T14:00:00.000Z	66 \| moderate	17.177 \| fine	75.596 \| fine	9.822 \| good	1.12 \| good	21.939 \| good	0.526 \| good
2026-10-21T15:00:00.000Z	66 \| moderate	17.338 \| fine	76.721 \| fine	7.762 \| good	1.476 \| good	23.278 \| good	0.371 \| good
2026-10-21T16:00:00.000Z	66 \| moderate	16.981 \| fine	74.293 \| fine	12.62 \| good	1.654 \| good	19.844 \| good	0.283 \| good
2026-10-21T17:00:00.000Z	62 \| moderate	14.635 \| fine	63.973 \| fine	15.862 \| good	1.535 \| good	18.581 \| good	0.244 \| good
2026-10-21T18:00:00.000Z	54 \| moderate	11.233 \| good	49.837 \| good	25.034 \| good	1.625 \| good	11.948 \| good	0.229 \| good
2026-10-21T19:00:00.000Z	54 \| moderate	11.228 \| good	49.948 \| good	31.914 \| good	1.095 \| good	6.496 \| good	0.229 \| good
2026-10-21T20:00:00.000Z	38 \| good	6.898 \| good	31.297 \| good	40.823 \| good	1.147 \| good	3.244 \| good	0.229 \| good
2026-10-21T21:00:00.000Z	39 \| good	6.73 \| good	30.504 \| good	42.284 \| good	1.111 \| good	6.788 \| good	0.229 \| good
2026-10-21T22:00:00.000Z	47 \| good	5.437 \| good	23.765 \| good	51.025 \| good	1.331 \| good	5.001 \| good	0.229 \| good
2026-10-21T23:00:00.000Z	47 \| good	5.393 \| good	23.603 \| good	50.789 \| good	1.886 \| good	12.087 \| good	0.242 \| good
2026-10-22T00:00:00.000Z	40 \| good	5.849 \| good	25.148 \| good	43.48 \| good	1.379 \| good	14.01 \| good	0.298 \| good
2026-10-22T01:00:00.000Z	44 \| good	8.105 \| good	36.084 \| good	42.2 \| good	1.038 \| good	19.724 \| good	0.343 \| good
2026-10-22T02:00:00.000Z	54 \| moderate	10.588 \| good	47.22 \| good	38.799 \| good	0.824 \| good	30.706 \| good	0.354 \| good
2026-10-22T03:00:00.000Z	49 \| good	9.497 \| good	42.876 \| good	20.092 \| good	2.866 \| good	40.493 \| good	0.544 \| good
2026-10-22T04:00:00.000Z	62 \| moderate	15.462 \| fine	68.016 \| fine	26.486 \| good	1.486 \| good	31.561 \| good	0.394 \| good
2026-10-22T05:00:00.000Z	73 \| moderate	20.904 \| fine	91.474 \| fine	18.919 \| good	1.218 \| good	27.251 \| good	0.369 \| good
2026-10-22T06:00:00.000Z	73 \| moderate	21.093 \| fine	91.6 \| fine	14.429 \| good	1.177 \| good	22.365 \| good	0.516 \| good
2026-10-22T07:00:00.000Z	73 \| moderate	21.011 \| fine	91.292 \| fine	12.092 \| good	1.201 \| good	23.811 \| good	0.516 \| good
2026-10-22T08:00:00.000Z	66 \| moderate	17.321 \| fine	76.825 \| fine	15.786 \| good	1.108 \| good	19.452 \| good	0.331 \| good
2026-10-22T09:00:00.000Z	66 \| moderate	17.357 \| fine	76.619 \| fine	12.254 \| good	1.17 \| good	16.044 \| good	0.318 \| good
2026-10-22T10:00:00.000Z	64 \| moderate	16.135 \| fine	70.971 \| fine	10.738 \| good	1.071 \| good	15.746 \| good	0.302 \| good
2026-10-22T11:00:00.000Z	64 \| moderate	16.037 \| fine	70.825 \| fine	8.759 \| good	1.113 \| good	17.163 \| good	0.505 \| good
2026-10-22T12:00:00.000Z	64 \| moderate	16.038 \| fine	71.054 \| fine	12.016 \| good	1.282 \| good	20.397 \| good	0.54 \| good
2026-10-22T13:00:00.000Z	64 \| moderate	15.511 \| fine	69.477 \| fine	4.054 \| good	1.471 \| good	17.735 \| good	0.41 \| good
2026-10-22T14:00:00.000Z	62 \| moderate	15.496 \| fine	69.049 \| fine	5.896 \| good	1.36 \| good	18.108 \| good	0.452 \| good
2026-10-22T15:00:00.000Z	62 \| moderate	14.778 \| fine	65.922 \| fine	7.291 \| good	1.838 \| good	22.319 \| good	0.558 \| good
2026-10-22T16:00:00.000Z	62 \| moderate	14.678 \| fine	64.4 \| fine	17.266 \| good	1.9 \| good	23.175 \| good	0.314 \| good
2026-10-22T17:00:00.000Z	62 \| moderate	14.695 \| fine	64.586 \| fine	20.099 \| good	2.349 \| good	18.776 \| good	0.271 \| good
2026-10-22T18:00:00.000Z	58 \| moderate	12.536 \| fine	57.147 \| fine	26.439 \| good	1.877 \| good	10.3 \| good	0.229 \| good
2026-10-22T19:00:00.000Z	56 \| moderate	12.441 \| fine	56.378 \| fine	25.887 \| good	2.675 \| good	4.74 \| good	0.202 \| good
2026-10-22T20:00:00.000Z	56 \| moderate	12.441 \| fine	56.378 \| fine	25.887 \| good	2.675 \| good	4.74 \| good	0.202 \| good
2026-10-22T21:00:00.000Z	52 \| moderate	9.575 \| good	42.61 \| good	47.512 \| good	1.764 \| good	7.563 \| good	0.195 \| good
2026-10-22T22:00:00.000Z	49 \| good	9.409 \| good	41.677 \| good	42.914 \| good	1.814 \| good	14.607 \| good	0.232 \| good
2026-10-22T23:00:00.000Z	56 \| moderate	11.881 \| good	53.453 \| good	34.864 \| good	2.146 \| good	33.983 \| good	0.33 \| good
2026-10-23T00:00:00.000Z	71 \| moderate	19.535 \| fine	86.188 \| fine	19.65 \| good	2.469 \| good	44.39 \| good	0.416 \| good
2026-10-23T01:00:00.000Z	77 \| moderate	22.714 \| fine	99.027 \| fine	16.125 \| good	2.578 \| good	45.589 \| good	0.441 \| good
2026-10-23T02:00:00.000Z	81 \| moderate	24.626 \| fine	107.603 \| fine	11.609 \| good	2.693 \| good	45.87 \| good	0.424 \| good
2026-10-23T03:00:00.000Z	84 \| moderate	26.815 \| fine	116.722 \| fine	7.419 \| good	2.839 \| good	45.078 \| good	0.418 \| good
2026-10-23T04:00:00.000Z	84 \| moderate	27.304 \| fine	118.544 \| fine	6.675 \| good	2.949 \| good	43.783 \| good	0.42 \| good
2026-10-23T05:00:00.000Z	77 \| moderate	23.341 \| fine	102.12 \| fine	7.403 \| good	2.984 \| good	42.11 \| good	0.415 \| good
2026-10-23T06:00:00.000Z	71 \| moderate	19.513 \| fine	85.893 \| fine	9.648 \| good	3.062 \| good	40.081 \| good	0.399 \| good
2026-10-23T07:00:00.000Z	66 \| moderate	16.677 \| fine	73.887 \| fine	10.819 \| good	3.159 \| good	37.61 \| good	0.38 \| good
2026-10-23T08:00:00.000Z	64 \| moderate	15.871 \| fine	70.412 \| fine	11.084 \| good	3.194 \| good	34.516 \| good	0.365 \| good
2026-10-23T09:00:00.000Z	62 \| moderate	15.127 \| fine	67.511 \| fine	12.381 \| good	3.148 \| good	30.761 \| good	0.35 \| good
2026-10-23T10:00:00.000Z	62 \| moderate	14.88 \| fine	65.845 \| fine	12.793 \| good	2.991 \| good	27.186 \| good	0.337 \| good
2026-10-23T11:00:00.000Z	60 \| moderate	14.431 \| fine	64.086 \| fine	13.171 \| good	2.762 \| good	25.267 \| good	0.329 \| good
2026-10-23T12:00:00.000Z	62 \| moderate	14.985 \| fine	66.956 \| fine	12.619 \| good	2.587 \| good	26.838 \| good	0.336 \| good
2026-10-23T13:00:00.000Z	62 \| moderate	14.552 \| fine	65.572 \| fine	12.787 \| good	2.422 \| good	23.915 \| good	0.364 \| good
2026-10-23T14:00:00.000Z	64 \| moderate	15.515 \| fine	69.386 \| fine	19.088 \| good	2.117 \| good	18.989 \| good	0.35 \| good
2026-10-23T15:00:00.000Z	58 \| moderate	13.443 \| fine	59.985 \| fine	28.253 \| good	1.898 \| good	16.336 \| good	0.327 \| good
2026-10-23T16:00:00.000Z	58 \| moderate	13.372 \| fine	60.823 \| fine	38.308 \| good	1.604 \| good	12.293 \| good	0.265 \| good
2026-10-23T17:00:00.000Z	54 \| moderate	10.559 \| good	46.795 \| good	45.533 \| good	1.49 \| good	7.806 \| good	0.216 \| good
2026-10-23T18:00:00.000Z	49 \| good	8.797 \| good	38.631 \| good	51.463 \| good	1.629 \| good	4.186 \| good	0.188 \| good
2026-10-23T19:00:00.000Z	50 \| good	8.875 \| good	39.003 \| good	53.739 \| good	1.704 \| good	3.04 \| good	0.183 \| good
2026-10-23T20:00:00.000Z	51 \| moderate	8.507 \| good	37.343 \| good	54.877 \| good	1.65 \| good	2.901 \| good	0.18 \| good
2026-10-23T21:00:00.000Z	52 \| moderate	10.177 \| good	45.274 \| good	50.38 \| good	1.657 \| good	3.352 \| good	0.182 \| good
2026-10-23T22:00:00.000Z	52 \| moderate	10.03 \| good	44.461 \| good	45.023 \| good	1.668 \| good	7.676 \| good	0.204 \| good
2026-10-23T23:00:00.000Z	54 \| moderate	11.131 \| good	49.516 \| good	41.289 \| good	1.769 \| good	17.951 \| good	0.254 \| good
2026-10-24T00:00:00.000Z	60 \| moderate	14.371 \| fine	64.234 \| fine	35.573 \| good	1.943 \| good	25.49 \| good	0.282 \| good
2026-10-24T01:00:00.000Z	58 \| moderate	13.103 \| fine	59.163 \| fine	29.041 \| good	2.117 \| good	27.704 \| good	0.277 \| good
2026-10-24T02:00:00.000Z	54 \| moderate	10.961 \| good	48.623 \| good	29.439 \| good	2.228 \| good	27.801 \| good	0.271 \| good
2026-10-24T03:00:00.000Z	54 \| moderate	11.359 \| good	50.129 \| good	30.415 \| good	2.247 \| good	25.903 \| good	0.262 \| good
2026-10-24T04:00:00.000Z	58 \| moderate	13.409 \| fine	60.08 \| fine	28.677 \| good	2.148 \| good	22.033 \| good	0.252 \| good
2026-10-24T05:00:00.000Z	60 \| moderate	13.848 \| fine	61.85 \| fine	25.865 \| good	1.941 \| good	16.675 \| good	0.241 \| good
2026-10-24T06:00:00.000Z	66 \| moderate	16.568 \| fine	73.668 \| fine	21.844 \| good	1.731 \| good	12.631 \| good	0.233 \| good
2026-10-24T07:00:00.000Z	64 \| moderate	15.62 \| fine	69.459 \| fine	18.945 \| good	1.572 \| good	10.394 \| good	0.228 \| good
2026-10-24T08:00:00.000Z	64 \| moderate	15.731 \| fine	70.025 \| fine	16.655 \| good	1.479 \| good	9.277 \| good	0.226 \| good
2026-10-24T09:00:00.000Z	62 \| moderate	15.008 \| fine	66.956 \| fine	16.034 \| good	1.438 \| good	8.91 \| good	0.227 \| good
2026-10-24T10:00:00.000Z	60 \| moderate	14.104 \| fine	63.123 \| fine	17.026 \| good	1.418 \| good	9.184 \| good	0.23 \| good
2026-10-24T11:00:00.000Z	60 \| moderate	14.268 \| fine	64.186 \| fine	16.341 \| good	1.414 \| good	10.144 \| good	0.235 \| good
2026-10-24T12:00:00.000Z	64 \| moderate	16.422 \| fine	72.922 \| fine	18.468 \| good	1.46 \| good	13.403 \| good	0.245 \| good
2026-10-24T13:00:00.000Z	64 \| moderate	16.14 \| fine	71.548 \| fine	17.479 \| good	1.498 \| good	14.725 \| good	0.259 \| good
2026-10-24T14:00:00.000Z	66 \| moderate	16.548 \| fine	73.294 \| fine	23.157 \| good	1.498 \| good	13.276 \| good	0.271 \| good
2026-10-24T15:00:00.000Z	60 \| moderate	14.392 \| fine	64.459 \| fine	30.327 \| good	1.547 \| good	10.91 \| good	0.26 \| good
2026-10-24T16:00:00.000Z	60 \| moderate	13.611 \| fine	61.208 \| fine	39.011 \| good	1.596 \| good	9.288 \| good	0.247 \| good
2026-10-24T17:00:00.000Z	54 \| moderate	11.224 \| good	49.476 \| good	45.801 \| good	1.652 \| good	7.722 \| good	0.232 \| good
2026-10-24T18:00:00.000Z	54 \| moderate	10.504 \| good	46.318 \| good	48.869 \| good	1.635 \| good	5.907 \| good	0.216 \| good
2026-10-24T19:00:00.000Z	52 \| moderate	9.643 \| good	43.038 \| good	50.564 \| good	1.55 \| good	4.362 \| good	0.199 \| good
2026-10-24T20:00:00.000Z	49 \| good	8.518 \| good	37.236 \| good	50.492 \| good	1.467 \| good	3.664 \| good	0.19 \| good

Crest Hill

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

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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 2026-10-22.

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 2026-10-21.

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

As of now, the AQI in Crest Hill, Illinois is 56, indicating Moderate 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 12.441 μg/m³.

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

The PM₁₀ concentration in Crest Hill, Illinois is 56.378 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 0.202 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 2.675 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 25.887 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 4.74 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T21:00:00.000Z	35 \| good	5.942 \| good	25.443 \| good	37.695 \| good	4.604 \| good	7.745 \| good	0.202 \| good
2026-10-20T22:00:00.000Z	42 \| good	5.321 \| good	23.018 \| good	44.606 \| good	7.294 \| good	8.257 \| good	0.202 \| good
2026-10-20T23:00:00.000Z	41 \| good	5.011 \| good	21.721 \| good	44.267 \| good	4.129 \| good	25.332 \| good	0.215 \| good
2026-10-21T00:00:00.000Z	42 \| good	5.539 \| good	23.976 \| good	45.132 \| good	1.023 \| good	24.64 \| good	0.26 \| good
2026-10-21T01:00:00.000Z	49 \| good	8.753 \| good	38.564 \| good	39.215 \| good	0.73 \| good	30.295 \| good	0.273 \| good
2026-10-21T02:00:00.000Z	56 \| moderate	11.674 \| good	51.901 \| good	36.43 \| good	0.608 \| good	29.931 \| good	0.287 \| good
2026-10-21T03:00:00.000Z	49 \| good	9.313 \| good	41.257 \| good	13.509 \| good	3.659 \| good	38.652 \| good	0.33 \| good
2026-10-21T04:00:00.000Z	60 \| moderate	13.83 \| fine	61.883 \| fine	32.95 \| good	0.549 \| good	28.935 \| good	0.282 \| good
2026-10-21T05:00:00.000Z	66 \| moderate	17.019 \| fine	74.637 \| fine	25.716 \| good	1.305 \| good	24.79 \| good	0.271 \| good
2026-10-21T06:00:00.000Z	66 \| moderate	17.066 \| fine	75.326 \| fine	28.637 \| good	1.756 \| good	22.838 \| good	0.256 \| good
2026-10-21T07:00:00.000Z	69 \| moderate	19 \| fine	84.062 \| fine	18.569 \| good	1.543 \| good	19.173 \| good	0.269 \| good
2026-10-21T08:00:00.000Z	71 \| moderate	20.074 \| fine	87.459 \| fine	17.041 \| good	0.908 \| good	19.786 \| good	0.242 \| good
2026-10-21T09:00:00.000Z	71 \| moderate	19.542 \| fine	85.024 \| fine	20.272 \| good	0.893 \| good	22.582 \| good	0.229 \| good
2026-10-21T10:00:00.000Z	67 \| moderate	18.401 \| fine	81.126 \| fine	10.137 \| good	0.943 \| good	23.647 \| good	0.269 \| good
2026-10-21T11:00:00.000Z	69 \| moderate	18.541 \| fine	80.577 \| fine	8.567 \| good	0.998 \| good	23.903 \| good	0.323 \| good
2026-10-21T12:00:00.000Z	66 \| moderate	16.992 \| fine	75.712 \| fine	6.772 \| good	0.977 \| good	23.531 \| good	0.338 \| good
2026-10-21T13:00:00.000Z	66 \| moderate	16.873 \| fine	75.181 \| fine	8.908 \| good	1.01 \| good	20.291 \| good	0.338 \| good
2026-10-21T14:00:00.000Z	66 \| moderate	17.177 \| fine	75.596 \| fine	9.822 \| good	1.12 \| good	21.939 \| good	0.526 \| good
2026-10-21T15:00:00.000Z	66 \| moderate	17.338 \| fine	76.721 \| fine	7.762 \| good	1.476 \| good	23.278 \| good	0.371 \| good
2026-10-21T16:00:00.000Z	66 \| moderate	16.981 \| fine	74.293 \| fine	12.62 \| good	1.654 \| good	19.844 \| good	0.283 \| good
2026-10-21T17:00:00.000Z	62 \| moderate	14.635 \| fine	63.973 \| fine	15.862 \| good	1.535 \| good	18.581 \| good	0.244 \| good
2026-10-21T18:00:00.000Z	54 \| moderate	11.233 \| good	49.837 \| good	25.034 \| good	1.625 \| good	11.948 \| good	0.229 \| good
2026-10-21T19:00:00.000Z	54 \| moderate	11.228 \| good	49.948 \| good	31.914 \| good	1.095 \| good	6.496 \| good	0.229 \| good
2026-10-21T20:00:00.000Z	38 \| good	6.898 \| good	31.297 \| good	40.823 \| good	1.147 \| good	3.244 \| good	0.229 \| good
2026-10-21T21:00:00.000Z	39 \| good	6.73 \| good	30.504 \| good	42.284 \| good	1.111 \| good	6.788 \| good	0.229 \| good
2026-10-21T22:00:00.000Z	47 \| good	5.437 \| good	23.765 \| good	51.025 \| good	1.331 \| good	5.001 \| good	0.229 \| good
2026-10-21T23:00:00.000Z	47 \| good	5.393 \| good	23.603 \| good	50.789 \| good	1.886 \| good	12.087 \| good	0.242 \| good
2026-10-22T00:00:00.000Z	40 \| good	5.849 \| good	25.148 \| good	43.48 \| good	1.379 \| good	14.01 \| good	0.298 \| good
2026-10-22T01:00:00.000Z	44 \| good	8.105 \| good	36.084 \| good	42.2 \| good	1.038 \| good	19.724 \| good	0.343 \| good
2026-10-22T02:00:00.000Z	54 \| moderate	10.588 \| good	47.22 \| good	38.799 \| good	0.824 \| good	30.706 \| good	0.354 \| good
2026-10-22T03:00:00.000Z	49 \| good	9.497 \| good	42.876 \| good	20.092 \| good	2.866 \| good	40.493 \| good	0.544 \| good
2026-10-22T04:00:00.000Z	62 \| moderate	15.462 \| fine	68.016 \| fine	26.486 \| good	1.486 \| good	31.561 \| good	0.394 \| good
2026-10-22T05:00:00.000Z	73 \| moderate	20.904 \| fine	91.474 \| fine	18.919 \| good	1.218 \| good	27.251 \| good	0.369 \| good
2026-10-22T06:00:00.000Z	73 \| moderate	21.093 \| fine	91.6 \| fine	14.429 \| good	1.177 \| good	22.365 \| good	0.516 \| good
2026-10-22T07:00:00.000Z	73 \| moderate	21.011 \| fine	91.292 \| fine	12.092 \| good	1.201 \| good	23.811 \| good	0.516 \| good
2026-10-22T08:00:00.000Z	66 \| moderate	17.321 \| fine	76.825 \| fine	15.786 \| good	1.108 \| good	19.452 \| good	0.331 \| good
2026-10-22T09:00:00.000Z	66 \| moderate	17.357 \| fine	76.619 \| fine	12.254 \| good	1.17 \| good	16.044 \| good	0.318 \| good
2026-10-22T10:00:00.000Z	64 \| moderate	16.135 \| fine	70.971 \| fine	10.738 \| good	1.071 \| good	15.746 \| good	0.302 \| good
2026-10-22T11:00:00.000Z	64 \| moderate	16.037 \| fine	70.825 \| fine	8.759 \| good	1.113 \| good	17.163 \| good	0.505 \| good
2026-10-22T12:00:00.000Z	64 \| moderate	16.038 \| fine	71.054 \| fine	12.016 \| good	1.282 \| good	20.397 \| good	0.54 \| good
2026-10-22T13:00:00.000Z	64 \| moderate	15.511 \| fine	69.477 \| fine	4.054 \| good	1.471 \| good	17.735 \| good	0.41 \| good
2026-10-22T14:00:00.000Z	62 \| moderate	15.496 \| fine	69.049 \| fine	5.896 \| good	1.36 \| good	18.108 \| good	0.452 \| good
2026-10-22T15:00:00.000Z	62 \| moderate	14.778 \| fine	65.922 \| fine	7.291 \| good	1.838 \| good	22.319 \| good	0.558 \| good
2026-10-22T16:00:00.000Z	62 \| moderate	14.678 \| fine	64.4 \| fine	17.266 \| good	1.9 \| good	23.175 \| good	0.314 \| good
2026-10-22T17:00:00.000Z	62 \| moderate	14.695 \| fine	64.586 \| fine	20.099 \| good	2.349 \| good	18.776 \| good	0.271 \| good
2026-10-22T18:00:00.000Z	58 \| moderate	12.536 \| fine	57.147 \| fine	26.439 \| good	1.877 \| good	10.3 \| good	0.229 \| good
2026-10-22T19:00:00.000Z	56 \| moderate	12.441 \| fine	56.378 \| fine	25.887 \| good	2.675 \| good	4.74 \| good	0.202 \| good
2026-10-22T20:00:00.000Z	56 \| moderate	12.441 \| fine	56.378 \| fine	25.887 \| good	2.675 \| good	4.74 \| good	0.202 \| good
2026-10-22T21:00:00.000Z	52 \| moderate	9.575 \| good	42.61 \| good	47.512 \| good	1.764 \| good	7.563 \| good	0.195 \| good
2026-10-22T22:00:00.000Z	49 \| good	9.409 \| good	41.677 \| good	42.914 \| good	1.814 \| good	14.607 \| good	0.232 \| good
2026-10-22T23:00:00.000Z	56 \| moderate	11.881 \| good	53.453 \| good	34.864 \| good	2.146 \| good	33.983 \| good	0.33 \| good
2026-10-23T00:00:00.000Z	71 \| moderate	19.535 \| fine	86.188 \| fine	19.65 \| good	2.469 \| good	44.39 \| good	0.416 \| good
2026-10-23T01:00:00.000Z	77 \| moderate	22.714 \| fine	99.027 \| fine	16.125 \| good	2.578 \| good	45.589 \| good	0.441 \| good
2026-10-23T02:00:00.000Z	81 \| moderate	24.626 \| fine	107.603 \| fine	11.609 \| good	2.693 \| good	45.87 \| good	0.424 \| good
2026-10-23T03:00:00.000Z	84 \| moderate	26.815 \| fine	116.722 \| fine	7.419 \| good	2.839 \| good	45.078 \| good	0.418 \| good
2026-10-23T04:00:00.000Z	84 \| moderate	27.304 \| fine	118.544 \| fine	6.675 \| good	2.949 \| good	43.783 \| good	0.42 \| good
2026-10-23T05:00:00.000Z	77 \| moderate	23.341 \| fine	102.12 \| fine	7.403 \| good	2.984 \| good	42.11 \| good	0.415 \| good
2026-10-23T06:00:00.000Z	71 \| moderate	19.513 \| fine	85.893 \| fine	9.648 \| good	3.062 \| good	40.081 \| good	0.399 \| good
2026-10-23T07:00:00.000Z	66 \| moderate	16.677 \| fine	73.887 \| fine	10.819 \| good	3.159 \| good	37.61 \| good	0.38 \| good
2026-10-23T08:00:00.000Z	64 \| moderate	15.871 \| fine	70.412 \| fine	11.084 \| good	3.194 \| good	34.516 \| good	0.365 \| good
2026-10-23T09:00:00.000Z	62 \| moderate	15.127 \| fine	67.511 \| fine	12.381 \| good	3.148 \| good	30.761 \| good	0.35 \| good
2026-10-23T10:00:00.000Z	62 \| moderate	14.88 \| fine	65.845 \| fine	12.793 \| good	2.991 \| good	27.186 \| good	0.337 \| good
2026-10-23T11:00:00.000Z	60 \| moderate	14.431 \| fine	64.086 \| fine	13.171 \| good	2.762 \| good	25.267 \| good	0.329 \| good
2026-10-23T12:00:00.000Z	62 \| moderate	14.985 \| fine	66.956 \| fine	12.619 \| good	2.587 \| good	26.838 \| good	0.336 \| good
2026-10-23T13:00:00.000Z	62 \| moderate	14.552 \| fine	65.572 \| fine	12.787 \| good	2.422 \| good	23.915 \| good	0.364 \| good
2026-10-23T14:00:00.000Z	64 \| moderate	15.515 \| fine	69.386 \| fine	19.088 \| good	2.117 \| good	18.989 \| good	0.35 \| good
2026-10-23T15:00:00.000Z	58 \| moderate	13.443 \| fine	59.985 \| fine	28.253 \| good	1.898 \| good	16.336 \| good	0.327 \| good
2026-10-23T16:00:00.000Z	58 \| moderate	13.372 \| fine	60.823 \| fine	38.308 \| good	1.604 \| good	12.293 \| good	0.265 \| good
2026-10-23T17:00:00.000Z	54 \| moderate	10.559 \| good	46.795 \| good	45.533 \| good	1.49 \| good	7.806 \| good	0.216 \| good
2026-10-23T18:00:00.000Z	49 \| good	8.797 \| good	38.631 \| good	51.463 \| good	1.629 \| good	4.186 \| good	0.188 \| good
2026-10-23T19:00:00.000Z	50 \| good	8.875 \| good	39.003 \| good	53.739 \| good	1.704 \| good	3.04 \| good	0.183 \| good
2026-10-23T20:00:00.000Z	51 \| moderate	8.507 \| good	37.343 \| good	54.877 \| good	1.65 \| good	2.901 \| good	0.18 \| good
2026-10-23T21:00:00.000Z	52 \| moderate	10.177 \| good	45.274 \| good	50.38 \| good	1.657 \| good	3.352 \| good	0.182 \| good
2026-10-23T22:00:00.000Z	52 \| moderate	10.03 \| good	44.461 \| good	45.023 \| good	1.668 \| good	7.676 \| good	0.204 \| good
2026-10-23T23:00:00.000Z	54 \| moderate	11.131 \| good	49.516 \| good	41.289 \| good	1.769 \| good	17.951 \| good	0.254 \| good
2026-10-24T00:00:00.000Z	60 \| moderate	14.371 \| fine	64.234 \| fine	35.573 \| good	1.943 \| good	25.49 \| good	0.282 \| good
2026-10-24T01:00:00.000Z	58 \| moderate	13.103 \| fine	59.163 \| fine	29.041 \| good	2.117 \| good	27.704 \| good	0.277 \| good
2026-10-24T02:00:00.000Z	54 \| moderate	10.961 \| good	48.623 \| good	29.439 \| good	2.228 \| good	27.801 \| good	0.271 \| good
2026-10-24T03:00:00.000Z	54 \| moderate	11.359 \| good	50.129 \| good	30.415 \| good	2.247 \| good	25.903 \| good	0.262 \| good
2026-10-24T04:00:00.000Z	58 \| moderate	13.409 \| fine	60.08 \| fine	28.677 \| good	2.148 \| good	22.033 \| good	0.252 \| good
2026-10-24T05:00:00.000Z	60 \| moderate	13.848 \| fine	61.85 \| fine	25.865 \| good	1.941 \| good	16.675 \| good	0.241 \| good
2026-10-24T06:00:00.000Z	66 \| moderate	16.568 \| fine	73.668 \| fine	21.844 \| good	1.731 \| good	12.631 \| good	0.233 \| good
2026-10-24T07:00:00.000Z	64 \| moderate	15.62 \| fine	69.459 \| fine	18.945 \| good	1.572 \| good	10.394 \| good	0.228 \| good
2026-10-24T08:00:00.000Z	64 \| moderate	15.731 \| fine	70.025 \| fine	16.655 \| good	1.479 \| good	9.277 \| good	0.226 \| good
2026-10-24T09:00:00.000Z	62 \| moderate	15.008 \| fine	66.956 \| fine	16.034 \| good	1.438 \| good	8.91 \| good	0.227 \| good
2026-10-24T10:00:00.000Z	60 \| moderate	14.104 \| fine	63.123 \| fine	17.026 \| good	1.418 \| good	9.184 \| good	0.23 \| good
2026-10-24T11:00:00.000Z	60 \| moderate	14.268 \| fine	64.186 \| fine	16.341 \| good	1.414 \| good	10.144 \| good	0.235 \| good
2026-10-24T12:00:00.000Z	64 \| moderate	16.422 \| fine	72.922 \| fine	18.468 \| good	1.46 \| good	13.403 \| good	0.245 \| good
2026-10-24T13:00:00.000Z	64 \| moderate	16.14 \| fine	71.548 \| fine	17.479 \| good	1.498 \| good	14.725 \| good	0.259 \| good
2026-10-24T14:00:00.000Z	66 \| moderate	16.548 \| fine	73.294 \| fine	23.157 \| good	1.498 \| good	13.276 \| good	0.271 \| good
2026-10-24T15:00:00.000Z	60 \| moderate	14.392 \| fine	64.459 \| fine	30.327 \| good	1.547 \| good	10.91 \| good	0.26 \| good
2026-10-24T16:00:00.000Z	60 \| moderate	13.611 \| fine	61.208 \| fine	39.011 \| good	1.596 \| good	9.288 \| good	0.247 \| good
2026-10-24T17:00:00.000Z	54 \| moderate	11.224 \| good	49.476 \| good	45.801 \| good	1.652 \| good	7.722 \| good	0.232 \| good
2026-10-24T18:00:00.000Z	54 \| moderate	10.504 \| good	46.318 \| good	48.869 \| good	1.635 \| good	5.907 \| good	0.216 \| good
2026-10-24T19:00:00.000Z	52 \| moderate	9.643 \| good	43.038 \| good	50.564 \| good	1.55 \| good	4.362 \| good	0.199 \| good
2026-10-24T20:00:00.000Z	49 \| good	8.518 \| good	37.236 \| good	50.492 \| good	1.467 \| good	3.664 \| good	0.19 \| 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)

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Air quality in nearby cities

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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?

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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?