What is the current concentration of PM10 in Prospect Heights, Illinois?

The current PM10 concentration at Prospect Heights, Illinois is 54.128 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Prospect Heights, Illinois?

The current sulfur dioxide (SO2) concentration at Prospect Heights, Illinois is 0.543 ppb.

What is the current concentration of ozone (O3) in Prospect Heights, Illinois?

The current ozone (O3) concentration at Prospect Heights, Illinois is 17.865 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Prospect Heights, Illinois?

The current nitrogen dioxide (NO2) concentration at Prospect Heights, Illinois is 6.405 ppb.

Prospect Heights, Illinois live air quality index now

Q: What is the current concentration of PM2.5 in Prospect Heights, Illinois?

The current PM2.5 concentration at Prospect Heights, Illinois is 13.213 μg/m3.

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

Prospect Heights, Illinois

Last updated: ... (Local time)

Major air pollutants in Prospect Heights, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

13.21 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

54.13 μg/m³

155

255

425

605+

Ozone (O₃)

17.86 ppb

201

201+

Sulfur Dioxide (SO₂)

0.54 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.41 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.15 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Prospect Heights, Illinois

Get Live Pollen Counts

Prospect Heights, Illinois

Scroll To Air Quality Map

Track live Prospect Heights, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-08T10:00:00.000Z	27 \| good	5.441 \| good	22.185 \| good	18.547 \| good	5.138 \| good	26.566 \| good	0.221 \| good
2025-12-08T11:00:00.000Z	33 \| good	5.606 \| good	23.649 \| good	13.808 \| good	4.956 \| good	8.383 \| good	0.243 \| good
2025-12-08T12:00:00.000Z	33 \| good	6.007 \| good	25.245 \| good	11.75 \| good	5.036 \| good	12.219 \| good	0.294 \| good
2025-12-08T13:00:00.000Z	33 \| good	6.007 \| good	25.245 \| good	11.983 \| good	1.586 \| good	12.681 \| good	0.338 \| good
2025-12-08T14:00:00.000Z	38 \| good	7.496 \| good	31.453 \| good	10.143 \| good	0.779 \| good	15.624 \| good	0.426 \| good
2025-12-08T15:00:00.000Z	49 \| good	9.272 \| good	38.99 \| good	10.75 \| good	0.558 \| good	18.681 \| good	0.462 \| good
2025-12-08T16:00:00.000Z	54 \| moderate	11.152 \| good	47.754 \| good	13.977 \| good	0.668 \| good	20.086 \| good	0.426 \| good
2025-12-08T17:00:00.000Z	54 \| moderate	11.324 \| good	48.136 \| good	15.467 \| good	0.66 \| good	17.386 \| good	0.214 \| good
2025-12-08T18:00:00.000Z	49 \| good	8.743 \| good	37 \| good	19.052 \| good	0.553 \| good	11.968 \| good	0.163 \| good
2025-12-08T19:00:00.000Z	38 \| good	7.377 \| good	30.386 \| good	25.687 \| good	0.556 \| good	11.155 \| good	0.2 \| good
2025-12-08T20:00:00.000Z	33 \| good	6.201 \| good	26.92 \| good	26.687 \| good	0.576 \| good	11.875 \| good	0.2 \| good
2025-12-08T21:00:00.000Z	33 \| good	6.156 \| good	26.359 \| good	25.807 \| good	0.68 \| good	15.459 \| good	0.236 \| good
2025-12-08T22:00:00.000Z	33 \| good	6.205 \| good	27.462 \| good	27.102 \| good	0.591 \| good	19.134 \| good	0.287 \| good
2025-12-08T23:00:00.000Z	33 \| good	6.346 \| good	27.89 \| good	27.084 \| good	0.624 \| good	19.558 \| good	0.251 \| good
2025-12-09T00:00:00.000Z	38 \| good	7.091 \| good	31.325 \| good	26.294 \| good	0.64 \| good	20.523 \| good	0.265 \| good
2025-12-09T01:00:00.000Z	44 \| good	7.927 \| good	33.486 \| good	22.673 \| good	0.635 \| good	23.641 \| good	0.251 \| good
2025-12-09T02:00:00.000Z	49 \| good	8.743 \| good	37.277 \| good	20.67 \| good	0.638 \| good	25.261 \| good	0.251 \| good
2025-12-09T03:00:00.000Z	52 \| moderate	9.511 \| good	42.336 \| good	8.845 \| good	2.063 \| good	22.788 \| good	0.281 \| good
2025-12-09T04:00:00.000Z	49 \| good	8.979 \| good	37.681 \| good	21.687 \| good	0.533 \| good	20.116 \| good	0.188 \| good
2025-12-09T05:00:00.000Z	44 \| good	8.34 \| good	34.246 \| good	18.807 \| good	0.587 \| good	13.267 \| good	0.2 \| good
2025-12-09T06:00:00.000Z	44 \| good	7.906 \| good	32.399 \| good	18.275 \| good	0.498 \| good	12.111 \| good	0.188 \| good
2025-12-09T07:00:00.000Z	44 \| good	7.906 \| good	32.399 \| good	20.727 \| good	0.553 \| good	11.257 \| good	0.188 \| good
2025-12-09T08:00:00.000Z	44 \| good	8.093 \| good	33.172 \| good	19.038 \| good	0.539 \| good	8.13 \| good	0.163 \| good
2025-12-09T09:00:00.000Z	52 \| moderate	9.609 \| good	38.789 \| good	18.876 \| good	0.575 \| good	8.301 \| good	0.149 \| good
2025-12-09T10:00:00.000Z	52 \| moderate	10.214 \| good	41.584 \| good	18.751 \| good	0.641 \| good	7.698 \| good	0.163 \| good
2025-12-09T11:00:00.000Z	56 \| moderate	11.678 \| good	47.69 \| good	20.796 \| good	0.558 \| good	6.377 \| good	0.163 \| good
2025-12-09T12:00:00.000Z	58 \| moderate	13.06 \| fine	53.144 \| good	20.39 \| good	0.543 \| good	8.112 \| good	0.2 \| good
2025-12-09T13:00:00.000Z	58 \| moderate	13.06 \| fine	53.144 \| good	21.069 \| good	0.543 \| good	8.416 \| good	0.2 \| good
2025-12-09T14:00:00.000Z	60 \| moderate	13.559 \| fine	54.338 \| good	18.959 \| good	0.502 \| good	10.42 \| good	0.23 \| good
2025-12-09T15:00:00.000Z	58 \| moderate	12.9 \| fine	51.914 \| good	20.199 \| good	0.515 \| good	11.671 \| good	0.2 \| good
2025-12-09T16:00:00.000Z	58 \| moderate	12.685 \| fine	51.718 \| good	19.65 \| good	0.567 \| good	9.706 \| good	0.2 \| good
2025-12-09T17:00:00.000Z	58 \| moderate	13.038 \| fine	52.617 \| good	18.874 \| good	0.554 \| good	8.115 \| good	0.2 \| good
2025-12-09T18:00:00.000Z	58 \| moderate	13.038 \| fine	52.617 \| good	20.789 \| good	0.484 \| good	7.903 \| good	0.2 \| good
2025-12-09T19:00:00.000Z	62 \| moderate	14.691 \| fine	59.168 \| fine	21.478 \| good	0.491 \| good	7.542 \| good	0.2 \| good
2025-12-09T20:00:00.000Z	62 \| moderate	14.946 \| fine	59.839 \| fine	20.421 \| good	0.476 \| good	8.044 \| good	0.2 \| good
2025-12-09T21:00:00.000Z	62 \| moderate	14.901 \| fine	60.396 \| fine	20.162 \| good	0.505 \| good	9.748 \| good	0.236 \| good
2025-12-09T22:00:00.000Z	62 \| moderate	14.954 \| fine	60.879 \| fine	18.972 \| good	0.467 \| good	13.528 \| good	0.236 \| good
2025-12-09T23:00:00.000Z	62 \| moderate	14.946 \| fine	60.553 \| fine	17.957 \| good	0.512 \| good	10.277 \| good	0.236 \| good
2025-12-10T00:00:00.000Z	62 \| moderate	15.227 \| fine	61.501 \| fine	16.043 \| good	0.512 \| good	15.833 \| good	0.2 \| good
2025-12-10T01:00:00.000Z	62 \| moderate	15.36 \| fine	61.501 \| fine	13.337 \| good	0.418 \| good	16.127 \| good	0.214 \| good
2025-12-10T02:00:00.000Z	64 \| moderate	15.722 \| fine	62.798 \| fine	16.24 \| good	0.513 \| good	15.139 \| good	0.229 \| good
2025-12-10T03:00:00.000Z	49 \| good	8.799 \| good	38.688 \| good	21.062 \| good	0.963 \| good	11.667 \| good	0.222 \| good
2025-12-10T04:00:00.000Z	64 \| moderate	15.565 \| fine	62.157 \| fine	13.491 \| good	0.527 \| good	14.289 \| good	0.214 \| good
2025-12-10T05:00:00.000Z	62 \| moderate	15.23 \| fine	60.95 \| fine	14.37 \| good	0.496 \| good	12.025 \| good	0.214 \| good
2025-12-10T06:00:00.000Z	62 \| moderate	15.23 \| fine	60.95 \| fine	14.81 \| good	0.437 \| good	8.097 \| good	0.214 \| good
2025-12-10T07:00:00.000Z	62 \| moderate	14.653 \| fine	58.86 \| fine	15.467 \| good	0.493 \| good	8.049 \| good	0.188 \| good
2025-12-10T08:00:00.000Z	58 \| moderate	13.213 \| fine	54.128 \| good	17.865 \| good	0.543 \| good	6.405 \| good	0.151 \| good
2025-12-10T09:00:00.000Z	58 \| moderate	13.213 \| fine	54.128 \| good	17.865 \| good	0.543 \| good	6.405 \| good	0.151 \| good
2025-12-10T10:00:00.000Z	26 \| good	3.789 \| good	16.709 \| good	28.105 \| good	0.365 \| good	3.258 \| good	0.139 \| good
2025-12-10T11:00:00.000Z	22 \| good	3.55 \| good	15.582 \| good	24.419 \| good	0.383 \| good	3.251 \| good	0.136 \| good
2025-12-10T12:00:00.000Z	56 \| moderate	11.713 \| good	51.57 \| good	15.223 \| good	0.401 \| good	3.244 \| good	0.133 \| good
2025-12-10T13:00:00.000Z	52 \| moderate	10.208 \| good	45.257 \| good	18.523 \| good	0.44 \| good	3.702 \| good	0.154 \| good
2025-12-10T14:00:00.000Z	44 \| good	7.874 \| good	34.659 \| good	20.388 \| good	0.48 \| good	4.16 \| good	0.175 \| good
2025-12-10T15:00:00.000Z	38 \| good	7.063 \| good	31.316 \| good	21.762 \| good	0.52 \| good	4.618 \| good	0.196 \| good
2025-12-10T16:00:00.000Z	38 \| good	6.899 \| good	30.626 \| good	22.288 \| good	0.531 \| good	4.003 \| good	0.187 \| good
2025-12-10T17:00:00.000Z	33 \| good	5.611 \| good	23.865 \| good	24.286 \| good	0.542 \| good	3.388 \| good	0.177 \| good
2025-12-10T18:00:00.000Z	33 \| good	5.507 \| good	23.753 \| good	25.351 \| good	0.553 \| good	2.774 \| good	0.168 \| good
2025-12-10T19:00:00.000Z	27 \| good	4.948 \| good	21.388 \| good	24.984 \| good	0.548 \| good	2.989 \| good	0.167 \| good
2025-12-10T20:00:00.000Z	23 \| good	4.179 \| good	18.316 \| good	24.809 \| good	0.544 \| good	3.204 \| good	0.165 \| good
2025-12-10T21:00:00.000Z	22 \| good	3.835 \| good	16.671 \| good	23.826 \| good	0.539 \| good	3.42 \| good	0.164 \| good
2025-12-10T22:00:00.000Z	22 \| good	4.08 \| good	18.225 \| good	23.513 \| good	0.566 \| good	4.354 \| good	0.167 \| good
2025-12-10T23:00:00.000Z	22 \| good	4.056 \| good	17.738 \| good	23.395 \| good	0.593 \| good	5.288 \| good	0.17 \| good
2025-12-11T00:00:00.000Z	33 \| good	5.562 \| good	23.853 \| good	21.292 \| good	0.62 \| good	6.221 \| good	0.173 \| good
2025-12-11T01:00:00.000Z	27 \| good	5.061 \| good	21.833 \| good	20.502 \| good	0.619 \| good	6.193 \| good	0.172 \| good
2025-12-11T02:00:00.000Z	27 \| good	4.857 \| good	21 \| good	17.532 \| good	0.619 \| good	6.165 \| good	0.172 \| good
2025-12-11T03:00:00.000Z	27 \| good	5.343 \| good	22.885 \| good	16.121 \| good	0.618 \| good	6.137 \| good	0.171 \| good
2025-12-11T04:00:00.000Z	27 \| good	5.249 \| good	22.845 \| good	17.681 \| good	0.586 \| good	5.295 \| good	0.168 \| good
2025-12-11T05:00:00.000Z	33 \| good	5.67 \| good	24.18 \| good	18.465 \| good	0.554 \| good	4.453 \| good	0.165 \| good
2025-12-11T06:00:00.000Z	33 \| good	6.306 \| good	28.137 \| good	18.851 \| good	0.522 \| good	3.612 \| good	0.162 \| good
2025-12-11T07:00:00.000Z	33 \| good	6.459 \| good	29.065 \| good	19.245 \| good	0.525 \| good	3.378 \| good	0.159 \| good
2025-12-11T08:00:00.000Z	33 \| good	6.166 \| good	27.247 \| good	19.021 \| good	0.528 \| good	3.144 \| good	0.156 \| good
2025-12-11T09:00:00.000Z	33 \| good	5.759 \| good	24.976 \| good	18.644 \| good	0.531 \| good	2.91 \| good	0.152 \| good
2025-12-11T10:00:00.000Z	27 \| good	5.407 \| good	23.002 \| good	18.127 \| good	0.57 \| good	3.847 \| good	0.155 \| good
2025-12-11T11:00:00.000Z	27 \| good	4.549 \| good	19.974 \| good	17.442 \| good	0.61 \| good	4.783 \| good	0.158 \| good
2025-12-11T12:00:00.000Z	27 \| good	5.157 \| good	22.047 \| good	16.842 \| good	0.649 \| good	5.72 \| good	0.16 \| good
2025-12-11T13:00:00.000Z	27 \| good	5.355 \| good	22.978 \| good	14.16 \| good	0.746 \| good	6.9 \| good	0.179 \| good
2025-12-11T14:00:00.000Z	27 \| good	4.99 \| good	21.544 \| good	15.876 \| good	0.842 \| good	8.08 \| good	0.198 \| good
2025-12-11T15:00:00.000Z	33 \| good	5.865 \| good	25.867 \| good	17.594 \| good	0.938 \| good	9.261 \| good	0.216 \| good
2025-12-11T16:00:00.000Z	44 \| good	7.852 \| good	34.39 \| good	23.209 \| good	0.989 \| good	8.282 \| good	0.213 \| good
2025-12-11T17:00:00.000Z	44 \| good	7.781 \| good	34.356 \| good	24.903 \| good	1.04 \| good	7.304 \| good	0.21 \| good
2025-12-11T18:00:00.000Z	38 \| good	7.402 \| good	32.461 \| good	25.605 \| good	1.09 \| good	6.325 \| good	0.207 \| good
2025-12-11T19:00:00.000Z	38 \| good	7.208 \| good	31.495 \| good	24.567 \| good	1.131 \| good	7.377 \| good	0.209 \| good
2025-12-11T20:00:00.000Z	38 \| good	7.014 \| good	31.322 \| good	25.203 \| good	1.171 \| good	8.428 \| good	0.21 \| good
2025-12-11T21:00:00.000Z	33 \| good	6.115 \| good	27.165 \| good	22.728 \| good	1.211 \| good	9.48 \| good	0.211 \| good
2025-12-11T22:00:00.000Z	27 \| good	5.287 \| good	22.765 \| good	18.287 \| good	1.264 \| good	15.707 \| good	0.247 \| good
2025-12-11T23:00:00.000Z	33 \| good	5.649 \| good	24.207 \| good	18.026 \| good	1.317 \| good	21.934 \| good	0.283 \| good
2025-12-12T00:00:00.000Z	38 \| good	7.424 \| good	32.71 \| good	21.965 \| good	1.369 \| good	28.161 \| good	0.319 \| good
2025-12-12T01:00:00.000Z	33 \| good	6.459 \| good	28.852 \| good	24.675 \| good	1.46 \| good	28.702 \| good	0.324 \| good
2025-12-12T02:00:00.000Z	33 \| good	6.241 \| good	27.701 \| good	23.03 \| good	1.552 \| good	29.243 \| good	0.328 \| good
2025-12-12T03:00:00.000Z	38 \| good	7.139 \| good	31.508 \| good	22.085 \| good	1.643 \| good	29.784 \| good	0.333 \| good
2025-12-12T04:00:00.000Z	49 \| good	8.555 \| good	37.763 \| good	18.477 \| good	1.602 \| good	29.469 \| good	0.323 \| good
2025-12-12T05:00:00.000Z	52 \| moderate	9.732 \| good	43.586 \| good	17.145 \| good	1.56 \| good	29.154 \| good	0.313 \| good
2025-12-12T06:00:00.000Z	73 \| moderate	20.919 \| fine	21.816 \| good	7.851 \| good	1.517 \| good	28.909 \| good	0.304 \| good
2025-12-12T07:00:00.000Z	60 \| moderate	13.936 \| fine	62.722 \| fine	8.343 \| good	1.598 \| good	28.748 \| good	0.302 \| good
2025-12-12T08:00:00.000Z	60 \| moderate	14.047 \| fine	62.722 \| fine	4.698 \| good	1.677 \| good	28.656 \| good	0.3 \| good
2025-12-12T09:00:00.000Z	62 \| moderate	15.127 \| fine	67.847 \| fine	2.714 \| good	1.755 \| good	28.564 \| good	0.299 \| good

Prospect Heights

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Prospect Heights, Illinois air quality map: Track AQI near you

0.15ppm

How accurate is Illinois, USA air quality data?

Air quality data and pollutant measurements for Illinois, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.

Source: Ambee Data Sources

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Frequently asked questions

How often is the air quality data for Prospect Heights, Illinois updated?

The air quality for Prospect Heights, Illinois is updated every hour.

When was the worst air quality at Prospect Heights, Illinois in the last 24 hrs?

The worst air quality in Prospect Heights, Illinois in the last 24 hours was observed at 04:00:00 on 2025-12-10.

When was the best air quality at Prospect Heights, Illinois in the last 24 hrs?

In the last 24 hrs, the best air quality in Prospect Heights, Illinois was observed at 03:00:00 on 2025-12-10.

What is the current air quality in Prospect Heights, Illinois?

The current air quality in Prospect Heights, Illinois is 58, categorized as Moderate based on real-time data.

What pollutant is the most common in Prospect Heights, Illinois?

The most common pollutant in Prospect Heights, Illinois is PM2.5.

What should I do if the air quality in Prospect Heights, Illinois is poor?

If the air quality in Prospect Heights, Illinois is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Prospect Heights, Illinois?

The current PM_2.5 concentration at Prospect Heights, Illinois is 13.213 μg/m³.

What is the current concentration of PM₁₀ in Prospect Heights, Illinois?

The current PM₁₀ concentration at Prospect Heights, Illinois is 54.128 μg/m³.

What is the current concentration of carbon monoxide (CO) in Prospect Heights, Illinois?

The current carbon monoxide (CO) concentration at Prospect Heights, Illinois is 0.151 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Prospect Heights, Illinois?

The current sulfur dioxide (SO₂) concentration at Prospect Heights, Illinois is 0.543 ppb.

What is the current concentration of ozone (O₃) in Prospect Heights, Illinois?

The current ozone (O₃) concentration at Prospect Heights, Illinois is 17.865 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Prospect Heights, Illinois?

The current nitrogen dioxide (NO₂) concentration at Prospect Heights, Illinois is 6.405 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-08T10:00:00.000Z	27 \| good	5.441 \| good	22.185 \| good	18.547 \| good	5.138 \| good	26.566 \| good	0.221 \| good
2025-12-08T11:00:00.000Z	33 \| good	5.606 \| good	23.649 \| good	13.808 \| good	4.956 \| good	8.383 \| good	0.243 \| good
2025-12-08T12:00:00.000Z	33 \| good	6.007 \| good	25.245 \| good	11.75 \| good	5.036 \| good	12.219 \| good	0.294 \| good
2025-12-08T13:00:00.000Z	33 \| good	6.007 \| good	25.245 \| good	11.983 \| good	1.586 \| good	12.681 \| good	0.338 \| good
2025-12-08T14:00:00.000Z	38 \| good	7.496 \| good	31.453 \| good	10.143 \| good	0.779 \| good	15.624 \| good	0.426 \| good
2025-12-08T15:00:00.000Z	49 \| good	9.272 \| good	38.99 \| good	10.75 \| good	0.558 \| good	18.681 \| good	0.462 \| good
2025-12-08T16:00:00.000Z	54 \| moderate	11.152 \| good	47.754 \| good	13.977 \| good	0.668 \| good	20.086 \| good	0.426 \| good
2025-12-08T17:00:00.000Z	54 \| moderate	11.324 \| good	48.136 \| good	15.467 \| good	0.66 \| good	17.386 \| good	0.214 \| good
2025-12-08T18:00:00.000Z	49 \| good	8.743 \| good	37 \| good	19.052 \| good	0.553 \| good	11.968 \| good	0.163 \| good
2025-12-08T19:00:00.000Z	38 \| good	7.377 \| good	30.386 \| good	25.687 \| good	0.556 \| good	11.155 \| good	0.2 \| good
2025-12-08T20:00:00.000Z	33 \| good	6.201 \| good	26.92 \| good	26.687 \| good	0.576 \| good	11.875 \| good	0.2 \| good
2025-12-08T21:00:00.000Z	33 \| good	6.156 \| good	26.359 \| good	25.807 \| good	0.68 \| good	15.459 \| good	0.236 \| good
2025-12-08T22:00:00.000Z	33 \| good	6.205 \| good	27.462 \| good	27.102 \| good	0.591 \| good	19.134 \| good	0.287 \| good
2025-12-08T23:00:00.000Z	33 \| good	6.346 \| good	27.89 \| good	27.084 \| good	0.624 \| good	19.558 \| good	0.251 \| good
2025-12-09T00:00:00.000Z	38 \| good	7.091 \| good	31.325 \| good	26.294 \| good	0.64 \| good	20.523 \| good	0.265 \| good
2025-12-09T01:00:00.000Z	44 \| good	7.927 \| good	33.486 \| good	22.673 \| good	0.635 \| good	23.641 \| good	0.251 \| good
2025-12-09T02:00:00.000Z	49 \| good	8.743 \| good	37.277 \| good	20.67 \| good	0.638 \| good	25.261 \| good	0.251 \| good
2025-12-09T03:00:00.000Z	52 \| moderate	9.511 \| good	42.336 \| good	8.845 \| good	2.063 \| good	22.788 \| good	0.281 \| good
2025-12-09T04:00:00.000Z	49 \| good	8.979 \| good	37.681 \| good	21.687 \| good	0.533 \| good	20.116 \| good	0.188 \| good
2025-12-09T05:00:00.000Z	44 \| good	8.34 \| good	34.246 \| good	18.807 \| good	0.587 \| good	13.267 \| good	0.2 \| good
2025-12-09T06:00:00.000Z	44 \| good	7.906 \| good	32.399 \| good	18.275 \| good	0.498 \| good	12.111 \| good	0.188 \| good
2025-12-09T07:00:00.000Z	44 \| good	7.906 \| good	32.399 \| good	20.727 \| good	0.553 \| good	11.257 \| good	0.188 \| good
2025-12-09T08:00:00.000Z	44 \| good	8.093 \| good	33.172 \| good	19.038 \| good	0.539 \| good	8.13 \| good	0.163 \| good
2025-12-09T09:00:00.000Z	52 \| moderate	9.609 \| good	38.789 \| good	18.876 \| good	0.575 \| good	8.301 \| good	0.149 \| good
2025-12-09T10:00:00.000Z	52 \| moderate	10.214 \| good	41.584 \| good	18.751 \| good	0.641 \| good	7.698 \| good	0.163 \| good
2025-12-09T11:00:00.000Z	56 \| moderate	11.678 \| good	47.69 \| good	20.796 \| good	0.558 \| good	6.377 \| good	0.163 \| good
2025-12-09T12:00:00.000Z	58 \| moderate	13.06 \| fine	53.144 \| good	20.39 \| good	0.543 \| good	8.112 \| good	0.2 \| good
2025-12-09T13:00:00.000Z	58 \| moderate	13.06 \| fine	53.144 \| good	21.069 \| good	0.543 \| good	8.416 \| good	0.2 \| good
2025-12-09T14:00:00.000Z	60 \| moderate	13.559 \| fine	54.338 \| good	18.959 \| good	0.502 \| good	10.42 \| good	0.23 \| good
2025-12-09T15:00:00.000Z	58 \| moderate	12.9 \| fine	51.914 \| good	20.199 \| good	0.515 \| good	11.671 \| good	0.2 \| good
2025-12-09T16:00:00.000Z	58 \| moderate	12.685 \| fine	51.718 \| good	19.65 \| good	0.567 \| good	9.706 \| good	0.2 \| good
2025-12-09T17:00:00.000Z	58 \| moderate	13.038 \| fine	52.617 \| good	18.874 \| good	0.554 \| good	8.115 \| good	0.2 \| good
2025-12-09T18:00:00.000Z	58 \| moderate	13.038 \| fine	52.617 \| good	20.789 \| good	0.484 \| good	7.903 \| good	0.2 \| good
2025-12-09T19:00:00.000Z	62 \| moderate	14.691 \| fine	59.168 \| fine	21.478 \| good	0.491 \| good	7.542 \| good	0.2 \| good
2025-12-09T20:00:00.000Z	62 \| moderate	14.946 \| fine	59.839 \| fine	20.421 \| good	0.476 \| good	8.044 \| good	0.2 \| good
2025-12-09T21:00:00.000Z	62 \| moderate	14.901 \| fine	60.396 \| fine	20.162 \| good	0.505 \| good	9.748 \| good	0.236 \| good
2025-12-09T22:00:00.000Z	62 \| moderate	14.954 \| fine	60.879 \| fine	18.972 \| good	0.467 \| good	13.528 \| good	0.236 \| good
2025-12-09T23:00:00.000Z	62 \| moderate	14.946 \| fine	60.553 \| fine	17.957 \| good	0.512 \| good	10.277 \| good	0.236 \| good
2025-12-10T00:00:00.000Z	62 \| moderate	15.227 \| fine	61.501 \| fine	16.043 \| good	0.512 \| good	15.833 \| good	0.2 \| good
2025-12-10T01:00:00.000Z	62 \| moderate	15.36 \| fine	61.501 \| fine	13.337 \| good	0.418 \| good	16.127 \| good	0.214 \| good
2025-12-10T02:00:00.000Z	64 \| moderate	15.722 \| fine	62.798 \| fine	16.24 \| good	0.513 \| good	15.139 \| good	0.229 \| good
2025-12-10T03:00:00.000Z	49 \| good	8.799 \| good	38.688 \| good	21.062 \| good	0.963 \| good	11.667 \| good	0.222 \| good
2025-12-10T04:00:00.000Z	64 \| moderate	15.565 \| fine	62.157 \| fine	13.491 \| good	0.527 \| good	14.289 \| good	0.214 \| good
2025-12-10T05:00:00.000Z	62 \| moderate	15.23 \| fine	60.95 \| fine	14.37 \| good	0.496 \| good	12.025 \| good	0.214 \| good
2025-12-10T06:00:00.000Z	62 \| moderate	15.23 \| fine	60.95 \| fine	14.81 \| good	0.437 \| good	8.097 \| good	0.214 \| good
2025-12-10T07:00:00.000Z	62 \| moderate	14.653 \| fine	58.86 \| fine	15.467 \| good	0.493 \| good	8.049 \| good	0.188 \| good
2025-12-10T08:00:00.000Z	58 \| moderate	13.213 \| fine	54.128 \| good	17.865 \| good	0.543 \| good	6.405 \| good	0.151 \| good
2025-12-10T09:00:00.000Z	58 \| moderate	13.213 \| fine	54.128 \| good	17.865 \| good	0.543 \| good	6.405 \| good	0.151 \| good
2025-12-10T10:00:00.000Z	26 \| good	3.789 \| good	16.709 \| good	28.105 \| good	0.365 \| good	3.258 \| good	0.139 \| good
2025-12-10T11:00:00.000Z	22 \| good	3.55 \| good	15.582 \| good	24.419 \| good	0.383 \| good	3.251 \| good	0.136 \| good
2025-12-10T12:00:00.000Z	56 \| moderate	11.713 \| good	51.57 \| good	15.223 \| good	0.401 \| good	3.244 \| good	0.133 \| good
2025-12-10T13:00:00.000Z	52 \| moderate	10.208 \| good	45.257 \| good	18.523 \| good	0.44 \| good	3.702 \| good	0.154 \| good
2025-12-10T14:00:00.000Z	44 \| good	7.874 \| good	34.659 \| good	20.388 \| good	0.48 \| good	4.16 \| good	0.175 \| good
2025-12-10T15:00:00.000Z	38 \| good	7.063 \| good	31.316 \| good	21.762 \| good	0.52 \| good	4.618 \| good	0.196 \| good
2025-12-10T16:00:00.000Z	38 \| good	6.899 \| good	30.626 \| good	22.288 \| good	0.531 \| good	4.003 \| good	0.187 \| good
2025-12-10T17:00:00.000Z	33 \| good	5.611 \| good	23.865 \| good	24.286 \| good	0.542 \| good	3.388 \| good	0.177 \| good
2025-12-10T18:00:00.000Z	33 \| good	5.507 \| good	23.753 \| good	25.351 \| good	0.553 \| good	2.774 \| good	0.168 \| good
2025-12-10T19:00:00.000Z	27 \| good	4.948 \| good	21.388 \| good	24.984 \| good	0.548 \| good	2.989 \| good	0.167 \| good
2025-12-10T20:00:00.000Z	23 \| good	4.179 \| good	18.316 \| good	24.809 \| good	0.544 \| good	3.204 \| good	0.165 \| good
2025-12-10T21:00:00.000Z	22 \| good	3.835 \| good	16.671 \| good	23.826 \| good	0.539 \| good	3.42 \| good	0.164 \| good
2025-12-10T22:00:00.000Z	22 \| good	4.08 \| good	18.225 \| good	23.513 \| good	0.566 \| good	4.354 \| good	0.167 \| good
2025-12-10T23:00:00.000Z	22 \| good	4.056 \| good	17.738 \| good	23.395 \| good	0.593 \| good	5.288 \| good	0.17 \| good
2025-12-11T00:00:00.000Z	33 \| good	5.562 \| good	23.853 \| good	21.292 \| good	0.62 \| good	6.221 \| good	0.173 \| good
2025-12-11T01:00:00.000Z	27 \| good	5.061 \| good	21.833 \| good	20.502 \| good	0.619 \| good	6.193 \| good	0.172 \| good
2025-12-11T02:00:00.000Z	27 \| good	4.857 \| good	21 \| good	17.532 \| good	0.619 \| good	6.165 \| good	0.172 \| good
2025-12-11T03:00:00.000Z	27 \| good	5.343 \| good	22.885 \| good	16.121 \| good	0.618 \| good	6.137 \| good	0.171 \| good
2025-12-11T04:00:00.000Z	27 \| good	5.249 \| good	22.845 \| good	17.681 \| good	0.586 \| good	5.295 \| good	0.168 \| good
2025-12-11T05:00:00.000Z	33 \| good	5.67 \| good	24.18 \| good	18.465 \| good	0.554 \| good	4.453 \| good	0.165 \| good
2025-12-11T06:00:00.000Z	33 \| good	6.306 \| good	28.137 \| good	18.851 \| good	0.522 \| good	3.612 \| good	0.162 \| good
2025-12-11T07:00:00.000Z	33 \| good	6.459 \| good	29.065 \| good	19.245 \| good	0.525 \| good	3.378 \| good	0.159 \| good
2025-12-11T08:00:00.000Z	33 \| good	6.166 \| good	27.247 \| good	19.021 \| good	0.528 \| good	3.144 \| good	0.156 \| good
2025-12-11T09:00:00.000Z	33 \| good	5.759 \| good	24.976 \| good	18.644 \| good	0.531 \| good	2.91 \| good	0.152 \| good
2025-12-11T10:00:00.000Z	27 \| good	5.407 \| good	23.002 \| good	18.127 \| good	0.57 \| good	3.847 \| good	0.155 \| good
2025-12-11T11:00:00.000Z	27 \| good	4.549 \| good	19.974 \| good	17.442 \| good	0.61 \| good	4.783 \| good	0.158 \| good
2025-12-11T12:00:00.000Z	27 \| good	5.157 \| good	22.047 \| good	16.842 \| good	0.649 \| good	5.72 \| good	0.16 \| good
2025-12-11T13:00:00.000Z	27 \| good	5.355 \| good	22.978 \| good	14.16 \| good	0.746 \| good	6.9 \| good	0.179 \| good
2025-12-11T14:00:00.000Z	27 \| good	4.99 \| good	21.544 \| good	15.876 \| good	0.842 \| good	8.08 \| good	0.198 \| good
2025-12-11T15:00:00.000Z	33 \| good	5.865 \| good	25.867 \| good	17.594 \| good	0.938 \| good	9.261 \| good	0.216 \| good
2025-12-11T16:00:00.000Z	44 \| good	7.852 \| good	34.39 \| good	23.209 \| good	0.989 \| good	8.282 \| good	0.213 \| good
2025-12-11T17:00:00.000Z	44 \| good	7.781 \| good	34.356 \| good	24.903 \| good	1.04 \| good	7.304 \| good	0.21 \| good
2025-12-11T18:00:00.000Z	38 \| good	7.402 \| good	32.461 \| good	25.605 \| good	1.09 \| good	6.325 \| good	0.207 \| good
2025-12-11T19:00:00.000Z	38 \| good	7.208 \| good	31.495 \| good	24.567 \| good	1.131 \| good	7.377 \| good	0.209 \| good
2025-12-11T20:00:00.000Z	38 \| good	7.014 \| good	31.322 \| good	25.203 \| good	1.171 \| good	8.428 \| good	0.21 \| good
2025-12-11T21:00:00.000Z	33 \| good	6.115 \| good	27.165 \| good	22.728 \| good	1.211 \| good	9.48 \| good	0.211 \| good
2025-12-11T22:00:00.000Z	27 \| good	5.287 \| good	22.765 \| good	18.287 \| good	1.264 \| good	15.707 \| good	0.247 \| good
2025-12-11T23:00:00.000Z	33 \| good	5.649 \| good	24.207 \| good	18.026 \| good	1.317 \| good	21.934 \| good	0.283 \| good
2025-12-12T00:00:00.000Z	38 \| good	7.424 \| good	32.71 \| good	21.965 \| good	1.369 \| good	28.161 \| good	0.319 \| good
2025-12-12T01:00:00.000Z	33 \| good	6.459 \| good	28.852 \| good	24.675 \| good	1.46 \| good	28.702 \| good	0.324 \| good
2025-12-12T02:00:00.000Z	33 \| good	6.241 \| good	27.701 \| good	23.03 \| good	1.552 \| good	29.243 \| good	0.328 \| good
2025-12-12T03:00:00.000Z	38 \| good	7.139 \| good	31.508 \| good	22.085 \| good	1.643 \| good	29.784 \| good	0.333 \| good
2025-12-12T04:00:00.000Z	49 \| good	8.555 \| good	37.763 \| good	18.477 \| good	1.602 \| good	29.469 \| good	0.323 \| good
2025-12-12T05:00:00.000Z	52 \| moderate	9.732 \| good	43.586 \| good	17.145 \| good	1.56 \| good	29.154 \| good	0.313 \| good
2025-12-12T06:00:00.000Z	73 \| moderate	20.919 \| fine	21.816 \| good	7.851 \| good	1.517 \| good	28.909 \| good	0.304 \| good
2025-12-12T07:00:00.000Z	60 \| moderate	13.936 \| fine	62.722 \| fine	8.343 \| good	1.598 \| good	28.748 \| good	0.302 \| good
2025-12-12T08:00:00.000Z	60 \| moderate	14.047 \| fine	62.722 \| fine	4.698 \| good	1.677 \| good	28.656 \| good	0.3 \| good
2025-12-12T09:00:00.000Z	62 \| moderate	15.127 \| fine	67.847 \| fine	2.714 \| good	1.755 \| good	28.564 \| good	0.299 \| good

Prospect Heights, Illinois live air quality index now

Major air pollutants in Prospect Heights, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Prospect Heights, Illinois air quality map: Track AQI near you

Air quality in nearby cities

Mount Prospect, Illinois

Arlington Heights, Illinois

Wheeling, Illinois

Rolling Meadows, Illinois

Palatine, Illinois

Buffalo Grove, Illinois

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Frequently asked questions

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What is the current concentration of PM10 in Prospect Heights, Illinois?

What is the current concentration of carbon monoxide (CO) in Prospect Heights, Illinois?

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What is the current concentration of ozone (O3) in Prospect Heights, Illinois?

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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 current concentration of PM_2.5 in Prospect Heights, Illinois?

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What is the current concentration of sulfur dioxide (SO₂) in Prospect Heights, Illinois?

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What is the current concentration of nitrogen dioxide (NO₂) in Prospect Heights, Illinois?