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

Currently, Mount Prospect, Illinois has a sulfur dioxide (SO2) concentration of 1.797 ppb.

What is the ozone (O3) level in Mount Prospect, Illinois at the moment?

The current ozone (O3) level in Mount Prospect, Illinois at the moment is 43.767 ppm.

What is the nitrogen dioxide (NO2) level in Mount Prospect, Illinois at the moment?

Nitrogen dioxide (NO2) level in Mount Prospect, Illinois at the moment is 6.537 ppb.

Live air quality index in Mount Prospect, Illinois today

Q: What is the PM2.5 level in Mount Prospect, Illinois at the moment?

PM2.5 levels in Mount Prospect, Illinois are currently 12.25 μg/m3.

Q: What is the PM10 level in Mount Prospect, Illinois at the moment?

The PM10 concentration in Mount Prospect, Illinois is 49.932 μg/m3 at the moment.

Stay updated with real-time air quality in Mount Prospect, 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

Mount Prospect, Illinois

Last updated: ... (Local time)

Major air pollutants in Mount Prospect, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

12.25 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

49.93 μg/m³

155

255

425

605+

Ozone (O₃)

43.77 ppb

201

201+

Sulfur Dioxide (SO₂)

1.80 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.54 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Mount Prospect, Illinois

Get Live Pollen Counts

Mount Prospect, Illinois

Scroll To Air Quality Map

Track live Mount Prospect, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T22:00:00.000Z	49 \| good	9.424 \| good	36.166 \| good	30.137 \| good	7.368 \| good	5.086 \| good	0.222 \| good
2026-10-20T23:00:00.000Z	44 \| good	7.838 \| good	23.548 \| good	37.656 \| good	3.597 \| good	25.252 \| good	0.235 \| good
2026-10-21T00:00:00.000Z	44 \| good	8.124 \| good	31.161 \| good	37.658 \| good	0.968 \| good	24.487 \| good	0.273 \| good
2026-10-21T01:00:00.000Z	52 \| moderate	10.271 \| good	45.21 \| good	29.922 \| good	0.711 \| good	30.153 \| good	0.286 \| good
2026-10-21T02:00:00.000Z	38 \| good	7.092 \| good	21.896 \| good	26.073 \| good	0.597 \| good	30.427 \| good	0.299 \| good
2026-10-21T03:00:00.000Z	60 \| moderate	14 \| fine	63.594 \| fine	3.058 \| good	3.163 \| good	44.106 \| good	0.328 \| good
2026-10-21T04:00:00.000Z	54 \| moderate	10.595 \| good	45.173 \| good	11.229 \| good	0.558 \| good	27.772 \| good	0.322 \| good
2026-10-21T05:00:00.000Z	58 \| moderate	12.875 \| fine	52.879 \| good	8.864 \| good	1.321 \| good	23.94 \| good	0.297 \| good
2026-10-21T06:00:00.000Z	62 \| moderate	14.947 \| fine	70.275 \| fine	4.045 \| good	1.691 \| good	22.192 \| good	0.285 \| good
2026-10-21T07:00:00.000Z	64 \| moderate	15.797 \| fine	51.192 \| good	5.952 \| good	1.454 \| good	18.41 \| good	0.298 \| good
2026-10-21T08:00:00.000Z	64 \| moderate	16.42 \| fine	49.073 \| good	3.964 \| good	0.844 \| good	19.884 \| good	0.261 \| good
2026-10-21T09:00:00.000Z	62 \| moderate	15.147 \| fine	66.274 \| fine	8.969 \| good	0.812 \| good	19.366 \| good	0.248 \| good
2026-10-21T10:00:00.000Z	71 \| moderate	20.384 \| fine	84.569 \| fine	6.439 \| good	0.87 \| good	20.728 \| good	0.298 \| good
2026-10-21T11:00:00.000Z	73 \| moderate	21.206 \| fine	85.482 \| fine	2.172 \| good	0.939 \| good	23.449 \| good	0.373 \| good
2026-10-21T12:00:00.000Z	82 \| moderate	25.167 \| fine	118.105 \| fine	5.536 \| good	0.912 \| good	22.2 \| good	0.385 \| good
2026-10-21T13:00:00.000Z	78 \| moderate	21.532 \| fine	109.479 \| fine	4.976 \| good	0.948 \| good	17.668 \| good	0.385 \| good
2026-10-21T14:00:00.000Z	81 \| moderate	24.588 \| fine	100.954 \| fine	6.75 \| good	1.156 \| good	24.7 \| good	0.467 \| good
2026-10-21T15:00:00.000Z	79 \| moderate	24.355 \| fine	109.386 \| fine	13.111 \| good	1.57 \| good	23.141 \| good	0.42 \| good
2026-10-21T16:00:00.000Z	79 \| moderate	23.522 \| fine	92.611 \| fine	14.754 \| good	1.899 \| good	21.356 \| good	0.323 \| good
2026-10-21T17:00:00.000Z	67 \| moderate	18.434 \| fine	69.784 \| fine	21.279 \| good	1.778 \| good	19.045 \| good	0.271 \| good
2026-10-21T18:00:00.000Z	60 \| moderate	13.528 \| fine	57.61 \| fine	26.907 \| good	1.739 \| good	17.785 \| good	0.259 \| good
2026-10-21T19:00:00.000Z	60 \| moderate	13.867 \| fine	60.184 \| fine	32.597 \| good	1.151 \| good	18.185 \| good	0.259 \| good
2026-10-21T20:00:00.000Z	44 \| good	8.499 \| good	38.216 \| good	40.12 \| good	1.2 \| good	12.861 \| good	0.259 \| good
2026-10-21T21:00:00.000Z	49 \| good	8.647 \| good	29.913 \| good	43.576 \| good	1.339 \| good	11.243 \| good	0.259 \| good
2026-10-21T22:00:00.000Z	39 \| good	5.579 \| good	28.29 \| good	42.174 \| good	1.538 \| good	16.752 \| good	0.259 \| good
2026-10-21T23:00:00.000Z	44 \| good	7.423 \| good	25.053 \| good	47.178 \| good	1.972 \| good	24.723 \| good	0.272 \| good
2026-10-22T00:00:00.000Z	44 \| good	8.444 \| good	34.265 \| good	33.222 \| good	1.462 \| good	18.829 \| good	0.335 \| good
2026-10-22T01:00:00.000Z	54 \| moderate	10.983 \| good	39.371 \| good	39.168 \| good	1.061 \| good	20.69 \| good	0.373 \| good
2026-10-22T02:00:00.000Z	56 \| moderate	11.915 \| good	43.653 \| good	36.485 \| good	0.856 \| good	23.207 \| good	0.397 \| good
2026-10-22T03:00:00.000Z	41 \| good	5.926 \| good	26.884 \| good	18.425 \| good	2.959 \| good	43.451 \| good	0.516 \| good
2026-10-22T04:00:00.000Z	58 \| moderate	12.814 \| fine	43.029 \| good	24.389 \| good	1.498 \| good	30.526 \| good	0.447 \| good
2026-10-22T05:00:00.000Z	62 \| moderate	15.397 \| fine	60.072 \| fine	21.697 \| good	1.211 \| good	30.873 \| good	0.409 \| good
2026-10-22T06:00:00.000Z	64 \| moderate	15.929 \| fine	65.563 \| fine	11.406 \| good	1.12 \| good	27.398 \| good	0.404 \| good
2026-10-22T07:00:00.000Z	64 \| moderate	15.618 \| fine	63.567 \| fine	9.422 \| good	1.084 \| good	26.685 \| good	0.404 \| good
2026-10-22T08:00:00.000Z	62 \| moderate	15.424 \| fine	61.605 \| fine	11.658 \| good	0.998 \| good	21.25 \| good	0.348 \| good
2026-10-22T09:00:00.000Z	64 \| moderate	16.142 \| fine	72.519 \| fine	8.706 \| good	0.953 \| good	18.726 \| good	0.335 \| good
2026-10-22T10:00:00.000Z	62 \| moderate	15.001 \| fine	65.804 \| fine	4.25 \| good	0.8 \| good	17.867 \| good	0.322 \| good
2026-10-22T11:00:00.000Z	64 \| moderate	15.936 \| fine	52.693 \| good	8.277 \| good	0.781 \| good	16.784 \| good	0.43 \| good
2026-10-22T12:00:00.000Z	62 \| moderate	15.267 \| fine	39.74 \| good	9.347 \| good	0.78 \| good	19.027 \| good	0.527 \| good
2026-10-22T13:00:00.000Z	66 \| moderate	16.944 \| fine	60.522 \| fine	11.25 \| good	0.929 \| good	19.349 \| good	0.449 \| good
2026-10-22T14:00:00.000Z	67 \| moderate	17.659 \| fine	35.993 \| good	6.858 \| good	1.24 \| good	19.352 \| good	0.498 \| good
2026-10-22T15:00:00.000Z	64 \| moderate	16.238 \| fine	43.734 \| good	10.663 \| good	1.466 \| good	21.807 \| good	0.487 \| good
2026-10-22T16:00:00.000Z	64 \| moderate	15.956 \| fine	59.899 \| fine	18.18 \| good	1.587 \| good	22.308 \| good	0.325 \| good
2026-10-22T17:00:00.000Z	60 \| moderate	13.938 \| fine	52.445 \| good	24.628 \| good	1.946 \| good	21.678 \| good	0.298 \| good
2026-10-22T18:00:00.000Z	58 \| moderate	12.522 \| fine	50.148 \| good	28.342 \| good	1.582 \| good	19.008 \| good	0.248 \| good
2026-10-22T19:00:00.000Z	56 \| moderate	11.894 \| good	53.299 \| good	30.169 \| good	2.435 \| good	22.335 \| good	0.222 \| good
2026-10-22T20:00:00.000Z	54 \| moderate	10.548 \| good	38.762 \| good	36.004 \| good	1.825 \| good	10.936 \| good	0.222 \| good
2026-10-22T21:00:00.000Z	54 \| moderate	11.286 \| good	54.454 \| good	45.64 \| good	1.789 \| good	6.761 \| good	0.259 \| good
2026-10-22T21:00:00.000Z	56 \| moderate	12.25 \| fine	49.932 \| good	43.767 \| good	1.797 \| good	6.537 \| good	0.257 \| good
2026-10-22T22:00:00.000Z	54 \| moderate	10.966 \| good	48.709 \| good	43.989 \| good	1.874 \| good	25.976 \| good	0.287 \| good
2026-10-22T23:00:00.000Z	62 \| moderate	14.829 \| fine	66.646 \| fine	32.292 \| good	1.962 \| good	43.254 \| good	0.398 \| good
2026-10-23T00:00:00.000Z	62 \| moderate	15.27 \| fine	67.77 \| fine	21.051 \| good	2.237 \| good	49.736 \| good	0.478 \| good
2026-10-23T01:00:00.000Z	64 \| moderate	16.036 \| fine	71.899 \| fine	15.235 \| good	2.394 \| good	51.041 \| good	0.491 \| good
2026-10-23T02:00:00.000Z	64 \| moderate	15.652 \| fine	69.859 \| fine	9.613 \| good	2.566 \| good	52.219 \| good	0.487 \| good
2026-10-23T03:00:00.000Z	64 \| moderate	16.02 \| fine	71.815 \| fine	6.678 \| good	2.747 \| good	52.28 \| good	0.485 \| good
2026-10-23T04:00:00.000Z	60 \| moderate	14.12 \| fine	63.737 \| fine	6.816 \| good	2.882 \| good	51.762 \| good	0.489 \| good
2026-10-23T05:00:00.000Z	58 \| moderate	12.866 \| fine	57.823 \| fine	6.019 \| good	2.837 \| good	50.813 \| good	0.488 \| good
2026-10-23T06:00:00.000Z	58 \| moderate	12.952 \| fine	58.006 \| fine	6.475 \| good	2.735 \| good	49.612 \| good	0.468 \| good
2026-10-23T07:00:00.000Z	60 \| moderate	14.071 \| fine	63.557 \| fine	8.124 \| good	2.774 \| good	48.264 \| good	0.445 \| good
2026-10-23T08:00:00.000Z	66 \| moderate	16.611 \| fine	74.181 \| fine	8.917 \| good	2.917 \| good	46.813 \| good	0.428 \| good
2026-10-23T09:00:00.000Z	73 \| moderate	20.723 \| fine	90.566 \| fine	5.685 \| good	3.113 \| good	45.154 \| good	0.412 \| good
2026-10-23T10:00:00.000Z	81 \| moderate	25.498 \| fine	111.533 \| fine	3.524 \| good	3.4 \| good	43.412 \| good	0.4 \| good
2026-10-23T11:00:00.000Z	84 \| moderate	27.373 \| fine	119.122 \| fine	0.93 \| good	3.652 \| good	41.747 \| good	0.395 \| good
2026-10-23T12:00:00.000Z	86 \| moderate	27.633 \| fine	120.759 \| fine	0.322 \| good	3.947 \| good	40.261 \| good	0.41 \| good
2026-10-23T13:00:00.000Z	84 \| moderate	26.954 \| fine	116.791 \| fine	3.033 \| good	4.171 \| good	36.437 \| good	0.454 \| good
2026-10-23T14:00:00.000Z	77 \| moderate	23.167 \| fine	101.156 \| fine	11.809 \| good	3.71 \| good	31.062 \| good	0.443 \| good
2026-10-23T15:00:00.000Z	71 \| moderate	19.948 \| fine	87.486 \| fine	23.354 \| good	3.334 \| good	27.714 \| good	0.405 \| good
2026-10-23T16:00:00.000Z	69 \| moderate	18.501 \| fine	81.486 \| fine	32.825 \| good	2.843 \| good	23.37 \| good	0.329 \| good
2026-10-23T17:00:00.000Z	64 \| moderate	16.44 \| fine	72.994 \| fine	40.932 \| good	2.407 \| good	18.192 \| good	0.271 \| good
2026-10-23T18:00:00.000Z	62 \| moderate	15.11 \| fine	67.156 \| fine	47.607 \| good	2.364 \| good	12.41 \| good	0.23 \| good
2026-10-23T19:00:00.000Z	60 \| moderate	13.999 \| fine	62.936 \| fine	52.573 \| good	2.319 \| good	9.057 \| good	0.214 \| good
2026-10-23T20:00:00.000Z	58 \| moderate	12.853 \| fine	58.446 \| fine	54.222 \| good	2.232 \| good	7.909 \| good	0.208 \| good
2026-10-23T21:00:00.000Z	56 \| moderate	11.992 \| good	54.013 \| good	52.08 \| good	2.213 \| good	8.458 \| good	0.208 \| good
2026-10-23T22:00:00.000Z	60 \| moderate	13.815 \| fine	62.217 \| fine	37.404 \| good	2.129 \| good	15.633 \| good	0.238 \| good
2026-10-23T23:00:00.000Z	66 \| moderate	16.817 \| fine	74.753 \| fine	23.78 \| good	2.174 \| good	28.305 \| good	0.29 \| good
2026-10-24T00:00:00.000Z	67 \| moderate	17.934 \| fine	79.248 \| fine	13.756 \| good	2.296 \| good	37.345 \| good	0.314 \| good
2026-10-24T01:00:00.000Z	66 \| moderate	17.453 \| fine	77.224 \| fine	8.364 \| good	2.376 \| good	40.054 \| good	0.303 \| good
2026-10-24T02:00:00.000Z	67 \| moderate	18.06 \| fine	79.308 \| fine	5.852 \| good	2.395 \| good	40.857 \| good	0.291 \| good
2026-10-24T03:00:00.000Z	67 \| moderate	17.76 \| fine	78.898 \| fine	8.116 \| good	2.382 \| good	39.826 \| good	0.281 \| good
2026-10-24T04:00:00.000Z	64 \| moderate	16.162 \| fine	71.183 \| fine	12.328 \| good	2.335 \| good	36.346 \| good	0.272 \| good
2026-10-24T05:00:00.000Z	62 \| moderate	14.507 \| fine	64.659 \| fine	17.708 \| good	2.227 \| good	29.13 \| good	0.261 \| good
2026-10-24T06:00:00.000Z	60 \| moderate	13.668 \| fine	61.149 \| fine	19.626 \| good	2.116 \| good	22.422 \| good	0.249 \| good
2026-10-24T07:00:00.000Z	58 \| moderate	13.101 \| fine	59.111 \| fine	18.621 \| good	1.969 \| good	17.931 \| good	0.24 \| good
2026-10-24T08:00:00.000Z	56 \| moderate	11.793 \| good	52.072 \| good	20.24 \| good	1.834 \| good	15.093 \| good	0.234 \| good
2026-10-24T09:00:00.000Z	56 \| moderate	12.013 \| good	54.067 \| good	17.351 \| good	1.731 \| good	13.613 \| good	0.232 \| good
2026-10-24T10:00:00.000Z	56 \| moderate	11.508 \| good	51.076 \| good	17.298 \| good	1.674 \| good	13.282 \| good	0.233 \| good
2026-10-24T11:00:00.000Z	56 \| moderate	12.255 \| fine	55.258 \| fine	16.143 \| good	1.668 \| good	14.249 \| good	0.236 \| good
2026-10-24T12:00:00.000Z	58 \| moderate	13.455 \| fine	61.156 \| fine	14.177 \| good	1.741 \| good	18.989 \| good	0.246 \| good
2026-10-24T13:00:00.000Z	60 \| moderate	14.441 \| fine	65.205 \| fine	17.019 \| good	1.825 \| good	20.497 \| good	0.262 \| good
2026-10-24T14:00:00.000Z	64 \| moderate	16.296 \| fine	73.157 \| fine	26.564 \| good	1.846 \| good	19.193 \| good	0.279 \| good
2026-10-24T15:00:00.000Z	62 \| moderate	15.045 \| fine	67.274 \| fine	36.016 \| good	1.897 \| good	17.321 \| good	0.273 \| good
2026-10-24T16:00:00.000Z	60 \| moderate	13.574 \| fine	61.274 \| fine	43.043 \| good	1.915 \| good	15.985 \| good	0.264 \| good
2026-10-24T17:00:00.000Z	56 \| moderate	12.141 \| fine	54.42 \| good	45.733 \| good	1.931 \| good	14.968 \| good	0.257 \| good
2026-10-24T18:00:00.000Z	56 \| moderate	11.934 \| good	52.686 \| good	47.641 \| good	1.943 \| good	13.16 \| good	0.245 \| good
2026-10-24T19:00:00.000Z	56 \| moderate	11.962 \| good	53.96 \| good	51.296 \| good	1.91 \| good	11.065 \| good	0.23 \| good
2026-10-24T20:00:00.000Z	56 \| moderate	11.521 \| good	51 \| good	52.626 \| good	1.889 \| good	10.318 \| good	0.22 \| good
2026-10-24T21:00:00.000Z	54 \| moderate	11.363 \| good	50.657 \| good	51.339 \| good	1.881 \| good	11.523 \| good	0.22 \| good

Mount Prospect

Get reliable air quality data to drive your business

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

0.22ppm

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 Mount Prospect, Illinois?

The air quality information for Mount Prospect, Illinois is updated every hour for accuracy.

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

In the past 24 hours, the air quality in Mount Prospect, Illinois was at its worst at 02:00:00 on 2026-10-22.

When did Mount Prospect, Illinois experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Mount Prospect, Illinois was observed at 10:00:00 on 2026-10-21.

What is the AQI in Mount Prospect, Illinois right now?

As of now, the AQI in Mount Prospect, Illinois is 56, indicating Moderate conditions.

What is the most common type of pollution in Mount Prospect, Illinois?

Mount Prospect, Illinois air has the highest levels of PM2.5.

What should I do in case of poor air quality in Mount Prospect, Illinois?

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

What is the PM_2.5 level in Mount Prospect, Illinois at the moment?

PM_2.5 levels in Mount Prospect, Illinois are currently 12.25 μg/m³.

What is the PM₁₀ level in Mount Prospect, Illinois at the moment?

The PM₁₀ concentration in Mount Prospect, Illinois is 49.932 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Mount Prospect, Illinois at the moment?

The current carbon monoxide (CO) concentration in Mount Prospect, Illinois is 0.257 ppm.

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

Currently, Mount Prospect, Illinois has a sulfur dioxide (SO₂) concentration of 1.797 ppb.

What is the ozone (O₃) level in Mount Prospect, Illinois at the moment?

The current ozone (O₃) level in Mount Prospect, Illinois at the moment is 43.767 ppm.

What is the nitrogen dioxide (NO₂) level in Mount Prospect, Illinois at the moment?

Nitrogen dioxide (NO₂) level in Mount Prospect, Illinois at the moment is 6.537 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T22:00:00.000Z	49 \| good	9.424 \| good	36.166 \| good	30.137 \| good	7.368 \| good	5.086 \| good	0.222 \| good
2026-10-20T23:00:00.000Z	44 \| good	7.838 \| good	23.548 \| good	37.656 \| good	3.597 \| good	25.252 \| good	0.235 \| good
2026-10-21T00:00:00.000Z	44 \| good	8.124 \| good	31.161 \| good	37.658 \| good	0.968 \| good	24.487 \| good	0.273 \| good
2026-10-21T01:00:00.000Z	52 \| moderate	10.271 \| good	45.21 \| good	29.922 \| good	0.711 \| good	30.153 \| good	0.286 \| good
2026-10-21T02:00:00.000Z	38 \| good	7.092 \| good	21.896 \| good	26.073 \| good	0.597 \| good	30.427 \| good	0.299 \| good
2026-10-21T03:00:00.000Z	60 \| moderate	14 \| fine	63.594 \| fine	3.058 \| good	3.163 \| good	44.106 \| good	0.328 \| good
2026-10-21T04:00:00.000Z	54 \| moderate	10.595 \| good	45.173 \| good	11.229 \| good	0.558 \| good	27.772 \| good	0.322 \| good
2026-10-21T05:00:00.000Z	58 \| moderate	12.875 \| fine	52.879 \| good	8.864 \| good	1.321 \| good	23.94 \| good	0.297 \| good
2026-10-21T06:00:00.000Z	62 \| moderate	14.947 \| fine	70.275 \| fine	4.045 \| good	1.691 \| good	22.192 \| good	0.285 \| good
2026-10-21T07:00:00.000Z	64 \| moderate	15.797 \| fine	51.192 \| good	5.952 \| good	1.454 \| good	18.41 \| good	0.298 \| good
2026-10-21T08:00:00.000Z	64 \| moderate	16.42 \| fine	49.073 \| good	3.964 \| good	0.844 \| good	19.884 \| good	0.261 \| good
2026-10-21T09:00:00.000Z	62 \| moderate	15.147 \| fine	66.274 \| fine	8.969 \| good	0.812 \| good	19.366 \| good	0.248 \| good
2026-10-21T10:00:00.000Z	71 \| moderate	20.384 \| fine	84.569 \| fine	6.439 \| good	0.87 \| good	20.728 \| good	0.298 \| good
2026-10-21T11:00:00.000Z	73 \| moderate	21.206 \| fine	85.482 \| fine	2.172 \| good	0.939 \| good	23.449 \| good	0.373 \| good
2026-10-21T12:00:00.000Z	82 \| moderate	25.167 \| fine	118.105 \| fine	5.536 \| good	0.912 \| good	22.2 \| good	0.385 \| good
2026-10-21T13:00:00.000Z	78 \| moderate	21.532 \| fine	109.479 \| fine	4.976 \| good	0.948 \| good	17.668 \| good	0.385 \| good
2026-10-21T14:00:00.000Z	81 \| moderate	24.588 \| fine	100.954 \| fine	6.75 \| good	1.156 \| good	24.7 \| good	0.467 \| good
2026-10-21T15:00:00.000Z	79 \| moderate	24.355 \| fine	109.386 \| fine	13.111 \| good	1.57 \| good	23.141 \| good	0.42 \| good
2026-10-21T16:00:00.000Z	79 \| moderate	23.522 \| fine	92.611 \| fine	14.754 \| good	1.899 \| good	21.356 \| good	0.323 \| good
2026-10-21T17:00:00.000Z	67 \| moderate	18.434 \| fine	69.784 \| fine	21.279 \| good	1.778 \| good	19.045 \| good	0.271 \| good
2026-10-21T18:00:00.000Z	60 \| moderate	13.528 \| fine	57.61 \| fine	26.907 \| good	1.739 \| good	17.785 \| good	0.259 \| good
2026-10-21T19:00:00.000Z	60 \| moderate	13.867 \| fine	60.184 \| fine	32.597 \| good	1.151 \| good	18.185 \| good	0.259 \| good
2026-10-21T20:00:00.000Z	44 \| good	8.499 \| good	38.216 \| good	40.12 \| good	1.2 \| good	12.861 \| good	0.259 \| good
2026-10-21T21:00:00.000Z	49 \| good	8.647 \| good	29.913 \| good	43.576 \| good	1.339 \| good	11.243 \| good	0.259 \| good
2026-10-21T22:00:00.000Z	39 \| good	5.579 \| good	28.29 \| good	42.174 \| good	1.538 \| good	16.752 \| good	0.259 \| good
2026-10-21T23:00:00.000Z	44 \| good	7.423 \| good	25.053 \| good	47.178 \| good	1.972 \| good	24.723 \| good	0.272 \| good
2026-10-22T00:00:00.000Z	44 \| good	8.444 \| good	34.265 \| good	33.222 \| good	1.462 \| good	18.829 \| good	0.335 \| good
2026-10-22T01:00:00.000Z	54 \| moderate	10.983 \| good	39.371 \| good	39.168 \| good	1.061 \| good	20.69 \| good	0.373 \| good
2026-10-22T02:00:00.000Z	56 \| moderate	11.915 \| good	43.653 \| good	36.485 \| good	0.856 \| good	23.207 \| good	0.397 \| good
2026-10-22T03:00:00.000Z	41 \| good	5.926 \| good	26.884 \| good	18.425 \| good	2.959 \| good	43.451 \| good	0.516 \| good
2026-10-22T04:00:00.000Z	58 \| moderate	12.814 \| fine	43.029 \| good	24.389 \| good	1.498 \| good	30.526 \| good	0.447 \| good
2026-10-22T05:00:00.000Z	62 \| moderate	15.397 \| fine	60.072 \| fine	21.697 \| good	1.211 \| good	30.873 \| good	0.409 \| good
2026-10-22T06:00:00.000Z	64 \| moderate	15.929 \| fine	65.563 \| fine	11.406 \| good	1.12 \| good	27.398 \| good	0.404 \| good
2026-10-22T07:00:00.000Z	64 \| moderate	15.618 \| fine	63.567 \| fine	9.422 \| good	1.084 \| good	26.685 \| good	0.404 \| good
2026-10-22T08:00:00.000Z	62 \| moderate	15.424 \| fine	61.605 \| fine	11.658 \| good	0.998 \| good	21.25 \| good	0.348 \| good
2026-10-22T09:00:00.000Z	64 \| moderate	16.142 \| fine	72.519 \| fine	8.706 \| good	0.953 \| good	18.726 \| good	0.335 \| good
2026-10-22T10:00:00.000Z	62 \| moderate	15.001 \| fine	65.804 \| fine	4.25 \| good	0.8 \| good	17.867 \| good	0.322 \| good
2026-10-22T11:00:00.000Z	64 \| moderate	15.936 \| fine	52.693 \| good	8.277 \| good	0.781 \| good	16.784 \| good	0.43 \| good
2026-10-22T12:00:00.000Z	62 \| moderate	15.267 \| fine	39.74 \| good	9.347 \| good	0.78 \| good	19.027 \| good	0.527 \| good
2026-10-22T13:00:00.000Z	66 \| moderate	16.944 \| fine	60.522 \| fine	11.25 \| good	0.929 \| good	19.349 \| good	0.449 \| good
2026-10-22T14:00:00.000Z	67 \| moderate	17.659 \| fine	35.993 \| good	6.858 \| good	1.24 \| good	19.352 \| good	0.498 \| good
2026-10-22T15:00:00.000Z	64 \| moderate	16.238 \| fine	43.734 \| good	10.663 \| good	1.466 \| good	21.807 \| good	0.487 \| good
2026-10-22T16:00:00.000Z	64 \| moderate	15.956 \| fine	59.899 \| fine	18.18 \| good	1.587 \| good	22.308 \| good	0.325 \| good
2026-10-22T17:00:00.000Z	60 \| moderate	13.938 \| fine	52.445 \| good	24.628 \| good	1.946 \| good	21.678 \| good	0.298 \| good
2026-10-22T18:00:00.000Z	58 \| moderate	12.522 \| fine	50.148 \| good	28.342 \| good	1.582 \| good	19.008 \| good	0.248 \| good
2026-10-22T19:00:00.000Z	56 \| moderate	11.894 \| good	53.299 \| good	30.169 \| good	2.435 \| good	22.335 \| good	0.222 \| good
2026-10-22T20:00:00.000Z	54 \| moderate	10.548 \| good	38.762 \| good	36.004 \| good	1.825 \| good	10.936 \| good	0.222 \| good
2026-10-22T21:00:00.000Z	54 \| moderate	11.286 \| good	54.454 \| good	45.64 \| good	1.789 \| good	6.761 \| good	0.259 \| good
2026-10-22T21:00:00.000Z	56 \| moderate	12.25 \| fine	49.932 \| good	43.767 \| good	1.797 \| good	6.537 \| good	0.257 \| good
2026-10-22T22:00:00.000Z	54 \| moderate	10.966 \| good	48.709 \| good	43.989 \| good	1.874 \| good	25.976 \| good	0.287 \| good
2026-10-22T23:00:00.000Z	62 \| moderate	14.829 \| fine	66.646 \| fine	32.292 \| good	1.962 \| good	43.254 \| good	0.398 \| good
2026-10-23T00:00:00.000Z	62 \| moderate	15.27 \| fine	67.77 \| fine	21.051 \| good	2.237 \| good	49.736 \| good	0.478 \| good
2026-10-23T01:00:00.000Z	64 \| moderate	16.036 \| fine	71.899 \| fine	15.235 \| good	2.394 \| good	51.041 \| good	0.491 \| good
2026-10-23T02:00:00.000Z	64 \| moderate	15.652 \| fine	69.859 \| fine	9.613 \| good	2.566 \| good	52.219 \| good	0.487 \| good
2026-10-23T03:00:00.000Z	64 \| moderate	16.02 \| fine	71.815 \| fine	6.678 \| good	2.747 \| good	52.28 \| good	0.485 \| good
2026-10-23T04:00:00.000Z	60 \| moderate	14.12 \| fine	63.737 \| fine	6.816 \| good	2.882 \| good	51.762 \| good	0.489 \| good
2026-10-23T05:00:00.000Z	58 \| moderate	12.866 \| fine	57.823 \| fine	6.019 \| good	2.837 \| good	50.813 \| good	0.488 \| good
2026-10-23T06:00:00.000Z	58 \| moderate	12.952 \| fine	58.006 \| fine	6.475 \| good	2.735 \| good	49.612 \| good	0.468 \| good
2026-10-23T07:00:00.000Z	60 \| moderate	14.071 \| fine	63.557 \| fine	8.124 \| good	2.774 \| good	48.264 \| good	0.445 \| good
2026-10-23T08:00:00.000Z	66 \| moderate	16.611 \| fine	74.181 \| fine	8.917 \| good	2.917 \| good	46.813 \| good	0.428 \| good
2026-10-23T09:00:00.000Z	73 \| moderate	20.723 \| fine	90.566 \| fine	5.685 \| good	3.113 \| good	45.154 \| good	0.412 \| good
2026-10-23T10:00:00.000Z	81 \| moderate	25.498 \| fine	111.533 \| fine	3.524 \| good	3.4 \| good	43.412 \| good	0.4 \| good
2026-10-23T11:00:00.000Z	84 \| moderate	27.373 \| fine	119.122 \| fine	0.93 \| good	3.652 \| good	41.747 \| good	0.395 \| good
2026-10-23T12:00:00.000Z	86 \| moderate	27.633 \| fine	120.759 \| fine	0.322 \| good	3.947 \| good	40.261 \| good	0.41 \| good
2026-10-23T13:00:00.000Z	84 \| moderate	26.954 \| fine	116.791 \| fine	3.033 \| good	4.171 \| good	36.437 \| good	0.454 \| good
2026-10-23T14:00:00.000Z	77 \| moderate	23.167 \| fine	101.156 \| fine	11.809 \| good	3.71 \| good	31.062 \| good	0.443 \| good
2026-10-23T15:00:00.000Z	71 \| moderate	19.948 \| fine	87.486 \| fine	23.354 \| good	3.334 \| good	27.714 \| good	0.405 \| good
2026-10-23T16:00:00.000Z	69 \| moderate	18.501 \| fine	81.486 \| fine	32.825 \| good	2.843 \| good	23.37 \| good	0.329 \| good
2026-10-23T17:00:00.000Z	64 \| moderate	16.44 \| fine	72.994 \| fine	40.932 \| good	2.407 \| good	18.192 \| good	0.271 \| good
2026-10-23T18:00:00.000Z	62 \| moderate	15.11 \| fine	67.156 \| fine	47.607 \| good	2.364 \| good	12.41 \| good	0.23 \| good
2026-10-23T19:00:00.000Z	60 \| moderate	13.999 \| fine	62.936 \| fine	52.573 \| good	2.319 \| good	9.057 \| good	0.214 \| good
2026-10-23T20:00:00.000Z	58 \| moderate	12.853 \| fine	58.446 \| fine	54.222 \| good	2.232 \| good	7.909 \| good	0.208 \| good
2026-10-23T21:00:00.000Z	56 \| moderate	11.992 \| good	54.013 \| good	52.08 \| good	2.213 \| good	8.458 \| good	0.208 \| good
2026-10-23T22:00:00.000Z	60 \| moderate	13.815 \| fine	62.217 \| fine	37.404 \| good	2.129 \| good	15.633 \| good	0.238 \| good
2026-10-23T23:00:00.000Z	66 \| moderate	16.817 \| fine	74.753 \| fine	23.78 \| good	2.174 \| good	28.305 \| good	0.29 \| good
2026-10-24T00:00:00.000Z	67 \| moderate	17.934 \| fine	79.248 \| fine	13.756 \| good	2.296 \| good	37.345 \| good	0.314 \| good
2026-10-24T01:00:00.000Z	66 \| moderate	17.453 \| fine	77.224 \| fine	8.364 \| good	2.376 \| good	40.054 \| good	0.303 \| good
2026-10-24T02:00:00.000Z	67 \| moderate	18.06 \| fine	79.308 \| fine	5.852 \| good	2.395 \| good	40.857 \| good	0.291 \| good
2026-10-24T03:00:00.000Z	67 \| moderate	17.76 \| fine	78.898 \| fine	8.116 \| good	2.382 \| good	39.826 \| good	0.281 \| good
2026-10-24T04:00:00.000Z	64 \| moderate	16.162 \| fine	71.183 \| fine	12.328 \| good	2.335 \| good	36.346 \| good	0.272 \| good
2026-10-24T05:00:00.000Z	62 \| moderate	14.507 \| fine	64.659 \| fine	17.708 \| good	2.227 \| good	29.13 \| good	0.261 \| good
2026-10-24T06:00:00.000Z	60 \| moderate	13.668 \| fine	61.149 \| fine	19.626 \| good	2.116 \| good	22.422 \| good	0.249 \| good
2026-10-24T07:00:00.000Z	58 \| moderate	13.101 \| fine	59.111 \| fine	18.621 \| good	1.969 \| good	17.931 \| good	0.24 \| good
2026-10-24T08:00:00.000Z	56 \| moderate	11.793 \| good	52.072 \| good	20.24 \| good	1.834 \| good	15.093 \| good	0.234 \| good
2026-10-24T09:00:00.000Z	56 \| moderate	12.013 \| good	54.067 \| good	17.351 \| good	1.731 \| good	13.613 \| good	0.232 \| good
2026-10-24T10:00:00.000Z	56 \| moderate	11.508 \| good	51.076 \| good	17.298 \| good	1.674 \| good	13.282 \| good	0.233 \| good
2026-10-24T11:00:00.000Z	56 \| moderate	12.255 \| fine	55.258 \| fine	16.143 \| good	1.668 \| good	14.249 \| good	0.236 \| good
2026-10-24T12:00:00.000Z	58 \| moderate	13.455 \| fine	61.156 \| fine	14.177 \| good	1.741 \| good	18.989 \| good	0.246 \| good
2026-10-24T13:00:00.000Z	60 \| moderate	14.441 \| fine	65.205 \| fine	17.019 \| good	1.825 \| good	20.497 \| good	0.262 \| good
2026-10-24T14:00:00.000Z	64 \| moderate	16.296 \| fine	73.157 \| fine	26.564 \| good	1.846 \| good	19.193 \| good	0.279 \| good
2026-10-24T15:00:00.000Z	62 \| moderate	15.045 \| fine	67.274 \| fine	36.016 \| good	1.897 \| good	17.321 \| good	0.273 \| good
2026-10-24T16:00:00.000Z	60 \| moderate	13.574 \| fine	61.274 \| fine	43.043 \| good	1.915 \| good	15.985 \| good	0.264 \| good
2026-10-24T17:00:00.000Z	56 \| moderate	12.141 \| fine	54.42 \| good	45.733 \| good	1.931 \| good	14.968 \| good	0.257 \| good
2026-10-24T18:00:00.000Z	56 \| moderate	11.934 \| good	52.686 \| good	47.641 \| good	1.943 \| good	13.16 \| good	0.245 \| good
2026-10-24T19:00:00.000Z	56 \| moderate	11.962 \| good	53.96 \| good	51.296 \| good	1.91 \| good	11.065 \| good	0.23 \| good
2026-10-24T20:00:00.000Z	56 \| moderate	11.521 \| good	51 \| good	52.626 \| good	1.889 \| good	10.318 \| good	0.22 \| good
2026-10-24T21:00:00.000Z	54 \| moderate	11.363 \| good	50.657 \| good	51.339 \| good	1.881 \| good	11.523 \| good	0.22 \| good

Live air quality index in Mount Prospect, Illinois today

Major air pollutants in Mount Prospect, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Mount Prospect, Illinois air quality forecast and history

Get reliable air quality data to drive your business

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

Air quality in nearby cities

Prospect Heights, Illinois

Arlington Heights, Illinois

Des Plaines, Illinois

Rolling Meadows, Illinois

Elk Grove Village, Illinois

Wheeling, 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 Mount Prospect, Illinois?

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

When did Mount Prospect, Illinois experience the best air quality in the last 24 hours?

What is the AQI in Mount Prospect, Illinois right now?

What is the most common type of pollution in Mount Prospect, Illinois?

What should I do in case of poor air quality in Mount Prospect, Illinois?

What is the PM2.5 level in Mount Prospect, Illinois at the moment?

What is the PM10 level in Mount Prospect, Illinois at the moment?

What is the carbon monoxide (CO) level in Mount Prospect, Illinois at the moment?

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

What is the ozone (O3) level in Mount Prospect, Illinois at the moment?

What is the nitrogen dioxide (NO2) level in Mount Prospect, 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 Mount Prospect, Illinois at the moment?

What is the PM₁₀ level in Mount Prospect, Illinois at the moment?

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

What is the ozone (O₃) level in Mount Prospect, Illinois at the moment?

What is the nitrogen dioxide (NO₂) level in Mount Prospect, Illinois at the moment?