What are the current PM10 levels at Round Lake, Illinois?

The current PM10 levels in Round Lake, Illinois are 27.385 μg/m3.

What are the current sulfur dioxide (SO2) levels at Round Lake, Illinois?

The current sulfur dioxide (SO2) levels in Round Lake, Illinois are 0.991 ppb.

What are the current ozone (O3) levels at Round Lake, Illinois?

The current ozone (O3) levels at Round Lake, Illinois is 4.854 ppm.

What are the current nitrogen dioxide (NO2) levels at Round Lake, Illinois?

The current nitrogen dioxide (NO2) levels at Round Lake, Illinois is 14.58 ppb.

Real-time air quality index in Round Lake, Illinois today

Q: What are the current PM2.5 levels in Round Lake, Illinois?

The measured PM2.5 levels in Round Lake, Illinois at present are 11.808 μg/m3.

Stay updated with real-time air quality in Round Lake, 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

Round Lake, Illinois

Last updated: ... (Local time)

Common air pollutants in Round Lake, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

12.02 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

32.10 μg/m³

155

255

425

605+

Ozone (O₃)

2.96 ppb

201

201+

Sulfur Dioxide (SO₂)

1.01 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

12.00 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.38 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Round Lake, Illinois

Get Live Pollen Counts

Round Lake, Illinois

Scroll To Air Quality Map

Track live Round Lake, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-23T12:00:00.000Z	11 \| good	1.801 \| good	5.082 \| good	11.292 \| good	0.793 \| good	5.891 \| good	0.296 \| good
2025-10-23T13:00:00.000Z	11 \| good	1.981 \| good	5.488 \| good	11.085 \| good	0.876 \| good	6.533 \| good	0.302 \| good
2025-10-23T14:00:00.000Z	16 \| good	3.274 \| good	13.803 \| good	14.505 \| good	0.782 \| good	6.947 \| good	0.376 \| good
2025-10-23T15:00:00.000Z	16 \| good	2.904 \| good	11.207 \| good	10.606 \| good	0.919 \| good	5.737 \| good	0.235 \| good
2025-10-23T16:00:00.000Z	16 \| good	2.937 \| good	5.937 \| good	12.761 \| good	1.507 \| good	5.339 \| good	0.265 \| good
2025-10-23T17:00:00.000Z	16 \| good	2.88 \| good	9.275 \| good	13.435 \| good	1.32 \| good	4.799 \| good	0.255 \| good
2025-10-23T18:00:00.000Z	17 \| good	2.859 \| good	12.752 \| good	18.076 \| good	0.999 \| good	5 \| good	0.164 \| good
2025-10-23T19:00:00.000Z	19 \| good	2.75 \| good	10.125 \| good	21.323 \| good	1.065 \| good	5.254 \| good	0.215 \| good
2025-10-23T20:00:00.000Z	21 \| good	2.118 \| good	6.602 \| good	23.395 \| good	1.057 \| good	6.61 \| good	0.316 \| good
2025-10-23T21:00:00.000Z	21 \| good	1.966 \| good	5.316 \| good	23.483 \| good	1.065 \| good	5.632 \| good	0.267 \| good
2025-10-23T22:00:00.000Z	23 \| good	1.834 \| good	5.999 \| good	24.741 \| good	1.033 \| good	5.27 \| good	0.316 \| good
2025-10-23T23:00:00.000Z	21 \| good	1.939 \| good	6.021 \| good	22.999 \| good	0.967 \| good	6.033 \| good	0.267 \| good
2025-10-24T00:00:00.000Z	21 \| good	2.134 \| good	6.547 \| good	22.646 \| good	1.069 \| good	6.208 \| good	0.287 \| good
2025-10-24T01:00:00.000Z	23 \| good	3.048 \| good	11.364 \| good	24.743 \| good	1.779 \| good	10.289 \| good	0.297 \| good
2025-10-24T02:00:00.000Z	16 \| good	3.172 \| good	15.116 \| good	16.804 \| good	1.253 \| good	12.233 \| good	0.358 \| good
2025-10-24T03:00:00.000Z	16 \| good	0.798 \| good	3.033 \| good	17.324 \| good	0.536 \| good	6.624 \| good	0.155 \| good
2025-10-24T04:00:00.000Z	16 \| good	3.09 \| good	8.157 \| good	14.264 \| good	1.15 \| good	11.519 \| good	0.218 \| good
2025-10-24T05:00:00.000Z	16 \| good	3.081 \| good	10.733 \| good	14.928 \| good	1.026 \| good	6.775 \| good	0.238 \| good
2025-10-24T06:00:00.000Z	16 \| good	3.037 \| good	8.76 \| good	11.823 \| good	1.032 \| good	6.404 \| good	0.248 \| good
2025-10-24T07:00:00.000Z	16 \| good	3.041 \| good	11.036 \| good	11.009 \| good	1.192 \| good	6.321 \| good	0.258 \| good
2025-10-24T08:00:00.000Z	16 \| good	3.417 \| good	10.406 \| good	10.659 \| good	1.138 \| good	5.986 \| good	0.255 \| good
2025-10-24T09:00:00.000Z	16 \| good	3.142 \| good	8.874 \| good	10.536 \| good	0.854 \| good	7.177 \| good	0.235 \| good
2025-10-24T10:00:00.000Z	16 \| good	3.155 \| good	7.852 \| good	13.373 \| good	1.033 \| good	9.833 \| good	0.309 \| good
2025-10-24T11:00:00.000Z	16 \| good	2.933 \| good	10.625 \| good	11.996 \| good	1.097 \| good	14.266 \| good	0.242 \| good
2025-10-24T12:00:00.000Z	16 \| good	2.855 \| good	9.649 \| good	9.988 \| good	1.106 \| good	15.361 \| good	0.297 \| good
2025-10-24T13:00:00.000Z	16 \| good	3.348 \| good	11.456 \| good	11.198 \| good	1.05 \| good	14.858 \| good	0.297 \| good
2025-10-24T14:00:00.000Z	22 \| good	4.309 \| good	15.547 \| good	7.852 \| good	0.981 \| good	14.378 \| good	0.421 \| good
2025-10-24T15:00:00.000Z	22 \| good	4.184 \| good	12.941 \| good	9.761 \| good	1.183 \| good	13.339 \| good	0.264 \| good
2025-10-24T16:00:00.000Z	16 \| good	2.968 \| good	11.426 \| good	13.429 \| good	3.573 \| good	10.926 \| good	0.22 \| good
2025-10-24T17:00:00.000Z	15 \| good	2.481 \| good	11.79 \| good	16.145 \| good	1.02 \| good	6.404 \| good	0.228 \| good
2025-10-24T18:00:00.000Z	17 \| good	2.853 \| good	6.414 \| good	17.746 \| good	0.963 \| good	5.068 \| good	0.215 \| good
2025-10-24T19:00:00.000Z	18 \| good	2.633 \| good	12.041 \| good	19.267 \| good	1.071 \| good	5.724 \| good	0.271 \| good
2025-10-24T20:00:00.000Z	20 \| good	2.215 \| good	13.343 \| good	21.868 \| good	0.877 \| good	5.392 \| good	0.228 \| good
2025-10-24T21:00:00.000Z	24 \| good	2.648 \| good	7.882 \| good	26.205 \| good	0.879 \| good	4.908 \| good	0.215 \| good
2025-10-24T22:00:00.000Z	24 \| good	2.644 \| good	9.217 \| good	26.055 \| good	0.931 \| good	2.797 \| good	0.164 \| good
2025-10-24T23:00:00.000Z	22 \| good	3.926 \| good	15.581 \| good	22.142 \| good	1.268 \| good	4.805 \| good	0.236 \| good
2025-10-25T00:00:00.000Z	22 \| good	2.56 \| good	8.444 \| good	23.84 \| good	1.273 \| good	11.14 \| good	0.255 \| good
2025-10-25T01:00:00.000Z	22 \| good	4.067 \| good	14.555 \| good	20.116 \| good	0.73 \| good	14.383 \| good	0.27 \| good
2025-10-25T02:00:00.000Z	33 \| good	5.568 \| good	17.909 \| good	14.304 \| good	0.741 \| good	15.063 \| good	0.39 \| good
2025-10-25T03:00:00.000Z	38 \| good	6.774 \| good	29.938 \| good	4.394 \| good	1.535 \| good	15.292 \| good	0.237 \| good
2025-10-25T04:00:00.000Z	44 \| good	7.576 \| good	29.548 \| good	5.423 \| good	1.02 \| good	17.879 \| good	0.496 \| good
2025-10-25T05:00:00.000Z	60 \| moderate	14.264 \| fine	48.396 \| good	4.529 \| good	1.188 \| good	16.38 \| good	0.375 \| good
2025-10-25T06:00:00.000Z	58 \| moderate	13.374 \| fine	56.678 \| fine	5.435 \| good	0.996 \| good	15.829 \| good	0.32 \| good
2025-10-25T07:00:00.000Z	56 \| moderate	11.808 \| good	27.385 \| good	4.854 \| good	0.991 \| good	14.58 \| good	0.32 \| good
2025-10-25T08:00:00.000Z	56 \| moderate	12.365 \| fine	44.975 \| good	4.789 \| good	0.916 \| good	13.346 \| good	0.32 \| good
2025-10-25T09:00:00.000Z	60 \| moderate	14.218 \| fine	44.188 \| good	4.381 \| good	0.926 \| good	12.954 \| good	0.309 \| good
2025-10-25T10:00:00.000Z	54 \| moderate	10.526 \| good	42.892 \| good	5.147 \| good	1.019 \| good	12.883 \| good	0.276 \| good
2025-10-25T11:00:00.000Z	56 \| moderate	12.016 \| good	32.105 \| good	2.955 \| good	1.011 \| good	12.004 \| good	0.375 \| good
2025-10-25T11:00:00.000Z	56 \| moderate	12.016 \| good	32.105 \| good	2.955 \| good	1.011 \| good	12.004 \| good	0.375 \| good
2025-10-25T09:00:00.000Z	38 \| good	6.797 \| good	29.829 \| good	7.646 \| good	1.736 \| good	11.157 \| good	0.178 \| good
2025-10-25T10:00:00.000Z	44 \| good	7.942 \| good	35.149 \| good	3.811 \| good	1.826 \| good	11.755 \| good	0.18 \| good
2025-10-25T11:00:00.000Z	49 \| good	9.495 \| good	42.149 \| good	1.286 \| good	1.916 \| good	12.354 \| good	0.183 \| good
2025-10-25T12:00:00.000Z	52 \| moderate	10.257 \| good	45.32 \| good	1.744 \| good	2.006 \| good	12.952 \| good	0.186 \| good
2025-10-25T13:00:00.000Z	54 \| moderate	10.722 \| good	47.581 \| good	5.716 \| good	2.171 \| good	11.388 \| good	0.188 \| good
2025-10-25T14:00:00.000Z	49 \| good	9.447 \| good	42.235 \| good	14.76 \| good	2.336 \| good	9.824 \| good	0.19 \| good
2025-10-25T15:00:00.000Z	49 \| good	9.164 \| good	40.568 \| good	16.841 \| good	2.501 \| good	8.259 \| good	0.192 \| good
2025-10-25T16:00:00.000Z	49 \| good	8.503 \| good	37.383 \| good	19.588 \| good	2.493 \| good	6.934 \| good	0.181 \| good
2025-10-25T17:00:00.000Z	38 \| good	7.474 \| good	32.939 \| good	21.131 \| good	2.485 \| good	5.609 \| good	0.171 \| good
2025-10-25T18:00:00.000Z	33 \| good	6.137 \| good	27.026 \| good	23.396 \| good	2.478 \| good	4.285 \| good	0.16 \| good
2025-10-25T19:00:00.000Z	33 \| good	5.719 \| good	25.063 \| good	24.164 \| good	2.493 \| good	4.531 \| good	0.162 \| good
2025-10-25T20:00:00.000Z	23 \| good	4.401 \| good	19.185 \| good	24.52 \| good	2.508 \| good	4.778 \| good	0.164 \| good
2025-10-25T21:00:00.000Z	24 \| good	3.845 \| good	16.933 \| good	26.054 \| good	2.523 \| good	5.024 \| good	0.166 \| good
2025-10-25T22:00:00.000Z	26 \| good	3.347 \| good	14.676 \| good	27.952 \| good	2.318 \| good	6.535 \| good	0.177 \| good
2025-10-25T23:00:00.000Z	27 \| good	1.131 \| good	4.704 \| good	28.501 \| good	2.113 \| good	8.045 \| good	0.188 \| good
2025-10-26T00:00:00.000Z	27 \| good	1.014 \| good	4.047 \| good	29.265 \| good	1.908 \| good	9.556 \| good	0.199 \| good
2025-10-26T01:00:00.000Z	26 \| good	0.529 \| good	1.921 \| good	27.915 \| good	1.822 \| good	9.249 \| good	0.195 \| good
2025-10-26T02:00:00.000Z	26 \| good	0.476 \| good	1.799 \| good	27.786 \| good	1.737 \| good	8.943 \| good	0.192 \| good
2025-10-26T03:00:00.000Z	26 \| good	1.527 \| good	5.977 \| good	28.204 \| good	1.652 \| good	8.636 \| good	0.188 \| good
2025-10-26T04:00:00.000Z	26 \| good	1.236 \| good	4.949 \| good	28.022 \| good	1.635 \| good	8.407 \| good	0.187 \| good
2025-10-26T05:00:00.000Z	26 \| good	1.251 \| good	4.901 \| good	28.377 \| good	1.619 \| good	8.177 \| good	0.186 \| good
2025-10-26T06:00:00.000Z	25 \| good	1.592 \| good	6.32 \| good	26.957 \| good	1.602 \| good	7.948 \| good	0.185 \| good
2025-10-26T07:00:00.000Z	22 \| good	4.12 \| good	18.001 \| good	24.094 \| good	2.118 \| good	8.431 \| good	0.192 \| good
2025-10-26T08:00:00.000Z	22 \| good	4.323 \| good	19.044 \| good	24.295 \| good	2.635 \| good	8.914 \| good	0.198 \| good
2025-10-26T09:00:00.000Z	22 \| good	4.035 \| good	17.69 \| good	22.384 \| good	3.151 \| good	9.397 \| good	0.204 \| good
2025-10-26T10:00:00.000Z	22 \| good	2.672 \| good	11.216 \| good	24.095 \| good	3.604 \| good	10.008 \| good	0.21 \| good
2025-10-26T11:00:00.000Z	23 \| good	3.001 \| good	12.671 \| good	24.845 \| good	4.056 \| good	10.62 \| good	0.215 \| good
2025-10-26T12:00:00.000Z	25 \| good	3.942 \| good	17.245 \| good	26.762 \| good	4.509 \| good	11.231 \| good	0.221 \| good
2025-10-26T13:00:00.000Z	33 \| good	6.227 \| good	27.245 \| good	26.821 \| good	3.768 \| good	9.505 \| good	0.213 \| good
2025-10-26T14:00:00.000Z	49 \| good	9.136 \| good	40.778 \| good	27.628 \| good	3.027 \| good	7.779 \| good	0.205 \| good
2025-10-26T15:00:00.000Z	38 \| good	7.277 \| good	32.169 \| good	27.787 \| good	2.286 \| good	6.053 \| good	0.197 \| good
2025-10-26T16:00:00.000Z	44 \| good	8.044 \| good	35.282 \| good	29.798 \| good	1.997 \| good	5.083 \| good	0.183 \| good
2025-10-26T17:00:00.000Z	44 \| good	8.03 \| good	35.278 \| good	32.499 \| good	1.707 \| good	4.113 \| good	0.169 \| good
2025-10-26T18:00:00.000Z	44 \| good	7.562 \| good	33.193 \| good	33.941 \| good	1.418 \| good	3.144 \| good	0.154 \| good
2025-10-26T19:00:00.000Z	38 \| good	7.408 \| good	32.602 \| good	34.75 \| good	1.283 \| good	3.111 \| good	0.153 \| good
2025-10-26T20:00:00.000Z	38 \| good	7.071 \| good	31.217 \| good	37.607 \| good	1.148 \| good	3.079 \| good	0.151 \| good
2025-10-26T21:00:00.000Z	36 \| good	6.285 \| good	27.732 \| good	38.681 \| good	1.013 \| good	3.047 \| good	0.149 \| good
2025-10-26T22:00:00.000Z	33 \| good	5.737 \| good	24.685 \| good	35.65 \| good	0.947 \| good	4.346 \| good	0.158 \| good
2025-10-26T23:00:00.000Z	33 \| good	6.299 \| good	28.201 \| good	31.547 \| good	0.882 \| good	5.646 \| good	0.166 \| good
2025-10-27T00:00:00.000Z	38 \| good	7.284 \| good	32.257 \| good	31.399 \| good	0.816 \| good	6.945 \| good	0.174 \| good
2025-10-27T01:00:00.000Z	38 \| good	7.349 \| good	32.421 \| good	28.944 \| good	0.821 \| good	6.662 \| good	0.17 \| good
2025-10-27T02:00:00.000Z	27 \| good	5.468 \| good	23.674 \| good	28.653 \| good	0.825 \| good	6.379 \| good	0.166 \| good
2025-10-27T03:00:00.000Z	33 \| good	5.798 \| good	25.289 \| good	29.963 \| good	0.83 \| good	6.097 \| good	0.161 \| good
2025-10-27T04:00:00.000Z	28 \| good	2.886 \| good	11.988 \| good	29.62 \| good	0.82 \| good	5.714 \| good	0.158 \| good
2025-10-27T05:00:00.000Z	25 \| good	3.242 \| good	14.012 \| good	27.485 \| good	0.81 \| good	5.33 \| good	0.154 \| good
2025-10-27T06:00:00.000Z	27 \| good	5.017 \| good	5.11 \| good	29.321 \| good	0.784 \| good	4.869 \| good	0.15 \| good
2025-10-27T07:00:00.000Z	33 \| good	5.58 \| good	23.979 \| good	24.475 \| good	0.782 \| good	4.606 \| good	0.146 \| good
2025-10-27T08:00:00.000Z	27 \| good	4.997 \| good	21.832 \| good	25.116 \| good	0.764 \| good	4.265 \| good	0.141 \| good

Round Lake

Empower business decisions with accurate air quality data

Round Lake, Illinois air quality map: Real-time AQI near you

0.31ppm

How accurate is Illinois, USA air quality data?

Air quality measurements for Illinois, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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

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Frequently asked questions

How frequently is the air quality data for Round Lake, Illinois updated?

Air quality data for Round Lake, Illinois is updated on an hourly basis.

When did Round Lake, Illinois experience the worst air quality in the last 24 hours?

The worst air quality in Round Lake, Illinois was recorded at 05:00:00 on 2025-10-25.

When did Round Lake, Illinois have its best air quality in the last 24 hours?

The best air quality in Round Lake, Illinois was recorded at 05:00:00 on 2025-10-24.

What is the real-time air quality index for Round Lake, Illinois?

The real-time air quality index in Round Lake, Illinois is 56, currently categorized as Moderate.

Which pollutant is found most often in Round Lake, Illinois?

The most common pollutant in Round Lake, Illinois is PM2.5.

What can I do if the air quality in Round Lake, Illinois is poor?

If the air quality in Round Lake, Illinois is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Round Lake, Illinois?

The measured PM_2.5 levels in Round Lake, Illinois at present are 11.808 μg/m³.

What are the current PM₁₀ levels at Round Lake, Illinois?

The current PM₁₀ levels in Round Lake, Illinois are 27.385 μg/m³.

What are the current carbon monoxide (CO) levels at Round Lake, Illinois?

The current carbon monoxide (CO) level in Round Lake, Illinois is 0.32 ppm.

What are the current sulfur dioxide (SO₂) levels at Round Lake, Illinois?

The current sulfur dioxide (SO₂) levels in Round Lake, Illinois are 0.991 ppb.

What are the current ozone (O₃) levels at Round Lake, Illinois?

The current ozone (O₃) levels at Round Lake, Illinois is 4.854 ppm.

What are the current nitrogen dioxide (NO₂) levels at Round Lake, Illinois?

The current nitrogen dioxide (NO₂) levels at Round Lake, Illinois is 14.58 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-23T12:00:00.000Z	11 \| good	1.801 \| good	5.082 \| good	11.292 \| good	0.793 \| good	5.891 \| good	0.296 \| good
2025-10-23T13:00:00.000Z	11 \| good	1.981 \| good	5.488 \| good	11.085 \| good	0.876 \| good	6.533 \| good	0.302 \| good
2025-10-23T14:00:00.000Z	16 \| good	3.274 \| good	13.803 \| good	14.505 \| good	0.782 \| good	6.947 \| good	0.376 \| good
2025-10-23T15:00:00.000Z	16 \| good	2.904 \| good	11.207 \| good	10.606 \| good	0.919 \| good	5.737 \| good	0.235 \| good
2025-10-23T16:00:00.000Z	16 \| good	2.937 \| good	5.937 \| good	12.761 \| good	1.507 \| good	5.339 \| good	0.265 \| good
2025-10-23T17:00:00.000Z	16 \| good	2.88 \| good	9.275 \| good	13.435 \| good	1.32 \| good	4.799 \| good	0.255 \| good
2025-10-23T18:00:00.000Z	17 \| good	2.859 \| good	12.752 \| good	18.076 \| good	0.999 \| good	5 \| good	0.164 \| good
2025-10-23T19:00:00.000Z	19 \| good	2.75 \| good	10.125 \| good	21.323 \| good	1.065 \| good	5.254 \| good	0.215 \| good
2025-10-23T20:00:00.000Z	21 \| good	2.118 \| good	6.602 \| good	23.395 \| good	1.057 \| good	6.61 \| good	0.316 \| good
2025-10-23T21:00:00.000Z	21 \| good	1.966 \| good	5.316 \| good	23.483 \| good	1.065 \| good	5.632 \| good	0.267 \| good
2025-10-23T22:00:00.000Z	23 \| good	1.834 \| good	5.999 \| good	24.741 \| good	1.033 \| good	5.27 \| good	0.316 \| good
2025-10-23T23:00:00.000Z	21 \| good	1.939 \| good	6.021 \| good	22.999 \| good	0.967 \| good	6.033 \| good	0.267 \| good
2025-10-24T00:00:00.000Z	21 \| good	2.134 \| good	6.547 \| good	22.646 \| good	1.069 \| good	6.208 \| good	0.287 \| good
2025-10-24T01:00:00.000Z	23 \| good	3.048 \| good	11.364 \| good	24.743 \| good	1.779 \| good	10.289 \| good	0.297 \| good
2025-10-24T02:00:00.000Z	16 \| good	3.172 \| good	15.116 \| good	16.804 \| good	1.253 \| good	12.233 \| good	0.358 \| good
2025-10-24T03:00:00.000Z	16 \| good	0.798 \| good	3.033 \| good	17.324 \| good	0.536 \| good	6.624 \| good	0.155 \| good
2025-10-24T04:00:00.000Z	16 \| good	3.09 \| good	8.157 \| good	14.264 \| good	1.15 \| good	11.519 \| good	0.218 \| good
2025-10-24T05:00:00.000Z	16 \| good	3.081 \| good	10.733 \| good	14.928 \| good	1.026 \| good	6.775 \| good	0.238 \| good
2025-10-24T06:00:00.000Z	16 \| good	3.037 \| good	8.76 \| good	11.823 \| good	1.032 \| good	6.404 \| good	0.248 \| good
2025-10-24T07:00:00.000Z	16 \| good	3.041 \| good	11.036 \| good	11.009 \| good	1.192 \| good	6.321 \| good	0.258 \| good
2025-10-24T08:00:00.000Z	16 \| good	3.417 \| good	10.406 \| good	10.659 \| good	1.138 \| good	5.986 \| good	0.255 \| good
2025-10-24T09:00:00.000Z	16 \| good	3.142 \| good	8.874 \| good	10.536 \| good	0.854 \| good	7.177 \| good	0.235 \| good
2025-10-24T10:00:00.000Z	16 \| good	3.155 \| good	7.852 \| good	13.373 \| good	1.033 \| good	9.833 \| good	0.309 \| good
2025-10-24T11:00:00.000Z	16 \| good	2.933 \| good	10.625 \| good	11.996 \| good	1.097 \| good	14.266 \| good	0.242 \| good
2025-10-24T12:00:00.000Z	16 \| good	2.855 \| good	9.649 \| good	9.988 \| good	1.106 \| good	15.361 \| good	0.297 \| good
2025-10-24T13:00:00.000Z	16 \| good	3.348 \| good	11.456 \| good	11.198 \| good	1.05 \| good	14.858 \| good	0.297 \| good
2025-10-24T14:00:00.000Z	22 \| good	4.309 \| good	15.547 \| good	7.852 \| good	0.981 \| good	14.378 \| good	0.421 \| good
2025-10-24T15:00:00.000Z	22 \| good	4.184 \| good	12.941 \| good	9.761 \| good	1.183 \| good	13.339 \| good	0.264 \| good
2025-10-24T16:00:00.000Z	16 \| good	2.968 \| good	11.426 \| good	13.429 \| good	3.573 \| good	10.926 \| good	0.22 \| good
2025-10-24T17:00:00.000Z	15 \| good	2.481 \| good	11.79 \| good	16.145 \| good	1.02 \| good	6.404 \| good	0.228 \| good
2025-10-24T18:00:00.000Z	17 \| good	2.853 \| good	6.414 \| good	17.746 \| good	0.963 \| good	5.068 \| good	0.215 \| good
2025-10-24T19:00:00.000Z	18 \| good	2.633 \| good	12.041 \| good	19.267 \| good	1.071 \| good	5.724 \| good	0.271 \| good
2025-10-24T20:00:00.000Z	20 \| good	2.215 \| good	13.343 \| good	21.868 \| good	0.877 \| good	5.392 \| good	0.228 \| good
2025-10-24T21:00:00.000Z	24 \| good	2.648 \| good	7.882 \| good	26.205 \| good	0.879 \| good	4.908 \| good	0.215 \| good
2025-10-24T22:00:00.000Z	24 \| good	2.644 \| good	9.217 \| good	26.055 \| good	0.931 \| good	2.797 \| good	0.164 \| good
2025-10-24T23:00:00.000Z	22 \| good	3.926 \| good	15.581 \| good	22.142 \| good	1.268 \| good	4.805 \| good	0.236 \| good
2025-10-25T00:00:00.000Z	22 \| good	2.56 \| good	8.444 \| good	23.84 \| good	1.273 \| good	11.14 \| good	0.255 \| good
2025-10-25T01:00:00.000Z	22 \| good	4.067 \| good	14.555 \| good	20.116 \| good	0.73 \| good	14.383 \| good	0.27 \| good
2025-10-25T02:00:00.000Z	33 \| good	5.568 \| good	17.909 \| good	14.304 \| good	0.741 \| good	15.063 \| good	0.39 \| good
2025-10-25T03:00:00.000Z	38 \| good	6.774 \| good	29.938 \| good	4.394 \| good	1.535 \| good	15.292 \| good	0.237 \| good
2025-10-25T04:00:00.000Z	44 \| good	7.576 \| good	29.548 \| good	5.423 \| good	1.02 \| good	17.879 \| good	0.496 \| good
2025-10-25T05:00:00.000Z	60 \| moderate	14.264 \| fine	48.396 \| good	4.529 \| good	1.188 \| good	16.38 \| good	0.375 \| good
2025-10-25T06:00:00.000Z	58 \| moderate	13.374 \| fine	56.678 \| fine	5.435 \| good	0.996 \| good	15.829 \| good	0.32 \| good
2025-10-25T07:00:00.000Z	56 \| moderate	11.808 \| good	27.385 \| good	4.854 \| good	0.991 \| good	14.58 \| good	0.32 \| good
2025-10-25T08:00:00.000Z	56 \| moderate	12.365 \| fine	44.975 \| good	4.789 \| good	0.916 \| good	13.346 \| good	0.32 \| good
2025-10-25T09:00:00.000Z	60 \| moderate	14.218 \| fine	44.188 \| good	4.381 \| good	0.926 \| good	12.954 \| good	0.309 \| good
2025-10-25T10:00:00.000Z	54 \| moderate	10.526 \| good	42.892 \| good	5.147 \| good	1.019 \| good	12.883 \| good	0.276 \| good
2025-10-25T11:00:00.000Z	56 \| moderate	12.016 \| good	32.105 \| good	2.955 \| good	1.011 \| good	12.004 \| good	0.375 \| good
2025-10-25T11:00:00.000Z	56 \| moderate	12.016 \| good	32.105 \| good	2.955 \| good	1.011 \| good	12.004 \| good	0.375 \| good
2025-10-25T09:00:00.000Z	38 \| good	6.797 \| good	29.829 \| good	7.646 \| good	1.736 \| good	11.157 \| good	0.178 \| good
2025-10-25T10:00:00.000Z	44 \| good	7.942 \| good	35.149 \| good	3.811 \| good	1.826 \| good	11.755 \| good	0.18 \| good
2025-10-25T11:00:00.000Z	49 \| good	9.495 \| good	42.149 \| good	1.286 \| good	1.916 \| good	12.354 \| good	0.183 \| good
2025-10-25T12:00:00.000Z	52 \| moderate	10.257 \| good	45.32 \| good	1.744 \| good	2.006 \| good	12.952 \| good	0.186 \| good
2025-10-25T13:00:00.000Z	54 \| moderate	10.722 \| good	47.581 \| good	5.716 \| good	2.171 \| good	11.388 \| good	0.188 \| good
2025-10-25T14:00:00.000Z	49 \| good	9.447 \| good	42.235 \| good	14.76 \| good	2.336 \| good	9.824 \| good	0.19 \| good
2025-10-25T15:00:00.000Z	49 \| good	9.164 \| good	40.568 \| good	16.841 \| good	2.501 \| good	8.259 \| good	0.192 \| good
2025-10-25T16:00:00.000Z	49 \| good	8.503 \| good	37.383 \| good	19.588 \| good	2.493 \| good	6.934 \| good	0.181 \| good
2025-10-25T17:00:00.000Z	38 \| good	7.474 \| good	32.939 \| good	21.131 \| good	2.485 \| good	5.609 \| good	0.171 \| good
2025-10-25T18:00:00.000Z	33 \| good	6.137 \| good	27.026 \| good	23.396 \| good	2.478 \| good	4.285 \| good	0.16 \| good
2025-10-25T19:00:00.000Z	33 \| good	5.719 \| good	25.063 \| good	24.164 \| good	2.493 \| good	4.531 \| good	0.162 \| good
2025-10-25T20:00:00.000Z	23 \| good	4.401 \| good	19.185 \| good	24.52 \| good	2.508 \| good	4.778 \| good	0.164 \| good
2025-10-25T21:00:00.000Z	24 \| good	3.845 \| good	16.933 \| good	26.054 \| good	2.523 \| good	5.024 \| good	0.166 \| good
2025-10-25T22:00:00.000Z	26 \| good	3.347 \| good	14.676 \| good	27.952 \| good	2.318 \| good	6.535 \| good	0.177 \| good
2025-10-25T23:00:00.000Z	27 \| good	1.131 \| good	4.704 \| good	28.501 \| good	2.113 \| good	8.045 \| good	0.188 \| good
2025-10-26T00:00:00.000Z	27 \| good	1.014 \| good	4.047 \| good	29.265 \| good	1.908 \| good	9.556 \| good	0.199 \| good
2025-10-26T01:00:00.000Z	26 \| good	0.529 \| good	1.921 \| good	27.915 \| good	1.822 \| good	9.249 \| good	0.195 \| good
2025-10-26T02:00:00.000Z	26 \| good	0.476 \| good	1.799 \| good	27.786 \| good	1.737 \| good	8.943 \| good	0.192 \| good
2025-10-26T03:00:00.000Z	26 \| good	1.527 \| good	5.977 \| good	28.204 \| good	1.652 \| good	8.636 \| good	0.188 \| good
2025-10-26T04:00:00.000Z	26 \| good	1.236 \| good	4.949 \| good	28.022 \| good	1.635 \| good	8.407 \| good	0.187 \| good
2025-10-26T05:00:00.000Z	26 \| good	1.251 \| good	4.901 \| good	28.377 \| good	1.619 \| good	8.177 \| good	0.186 \| good
2025-10-26T06:00:00.000Z	25 \| good	1.592 \| good	6.32 \| good	26.957 \| good	1.602 \| good	7.948 \| good	0.185 \| good
2025-10-26T07:00:00.000Z	22 \| good	4.12 \| good	18.001 \| good	24.094 \| good	2.118 \| good	8.431 \| good	0.192 \| good
2025-10-26T08:00:00.000Z	22 \| good	4.323 \| good	19.044 \| good	24.295 \| good	2.635 \| good	8.914 \| good	0.198 \| good
2025-10-26T09:00:00.000Z	22 \| good	4.035 \| good	17.69 \| good	22.384 \| good	3.151 \| good	9.397 \| good	0.204 \| good
2025-10-26T10:00:00.000Z	22 \| good	2.672 \| good	11.216 \| good	24.095 \| good	3.604 \| good	10.008 \| good	0.21 \| good
2025-10-26T11:00:00.000Z	23 \| good	3.001 \| good	12.671 \| good	24.845 \| good	4.056 \| good	10.62 \| good	0.215 \| good
2025-10-26T12:00:00.000Z	25 \| good	3.942 \| good	17.245 \| good	26.762 \| good	4.509 \| good	11.231 \| good	0.221 \| good
2025-10-26T13:00:00.000Z	33 \| good	6.227 \| good	27.245 \| good	26.821 \| good	3.768 \| good	9.505 \| good	0.213 \| good
2025-10-26T14:00:00.000Z	49 \| good	9.136 \| good	40.778 \| good	27.628 \| good	3.027 \| good	7.779 \| good	0.205 \| good
2025-10-26T15:00:00.000Z	38 \| good	7.277 \| good	32.169 \| good	27.787 \| good	2.286 \| good	6.053 \| good	0.197 \| good
2025-10-26T16:00:00.000Z	44 \| good	8.044 \| good	35.282 \| good	29.798 \| good	1.997 \| good	5.083 \| good	0.183 \| good
2025-10-26T17:00:00.000Z	44 \| good	8.03 \| good	35.278 \| good	32.499 \| good	1.707 \| good	4.113 \| good	0.169 \| good
2025-10-26T18:00:00.000Z	44 \| good	7.562 \| good	33.193 \| good	33.941 \| good	1.418 \| good	3.144 \| good	0.154 \| good
2025-10-26T19:00:00.000Z	38 \| good	7.408 \| good	32.602 \| good	34.75 \| good	1.283 \| good	3.111 \| good	0.153 \| good
2025-10-26T20:00:00.000Z	38 \| good	7.071 \| good	31.217 \| good	37.607 \| good	1.148 \| good	3.079 \| good	0.151 \| good
2025-10-26T21:00:00.000Z	36 \| good	6.285 \| good	27.732 \| good	38.681 \| good	1.013 \| good	3.047 \| good	0.149 \| good
2025-10-26T22:00:00.000Z	33 \| good	5.737 \| good	24.685 \| good	35.65 \| good	0.947 \| good	4.346 \| good	0.158 \| good
2025-10-26T23:00:00.000Z	33 \| good	6.299 \| good	28.201 \| good	31.547 \| good	0.882 \| good	5.646 \| good	0.166 \| good
2025-10-27T00:00:00.000Z	38 \| good	7.284 \| good	32.257 \| good	31.399 \| good	0.816 \| good	6.945 \| good	0.174 \| good
2025-10-27T01:00:00.000Z	38 \| good	7.349 \| good	32.421 \| good	28.944 \| good	0.821 \| good	6.662 \| good	0.17 \| good
2025-10-27T02:00:00.000Z	27 \| good	5.468 \| good	23.674 \| good	28.653 \| good	0.825 \| good	6.379 \| good	0.166 \| good
2025-10-27T03:00:00.000Z	33 \| good	5.798 \| good	25.289 \| good	29.963 \| good	0.83 \| good	6.097 \| good	0.161 \| good
2025-10-27T04:00:00.000Z	28 \| good	2.886 \| good	11.988 \| good	29.62 \| good	0.82 \| good	5.714 \| good	0.158 \| good
2025-10-27T05:00:00.000Z	25 \| good	3.242 \| good	14.012 \| good	27.485 \| good	0.81 \| good	5.33 \| good	0.154 \| good
2025-10-27T06:00:00.000Z	27 \| good	5.017 \| good	5.11 \| good	29.321 \| good	0.784 \| good	4.869 \| good	0.15 \| good
2025-10-27T07:00:00.000Z	33 \| good	5.58 \| good	23.979 \| good	24.475 \| good	0.782 \| good	4.606 \| good	0.146 \| good
2025-10-27T08:00:00.000Z	27 \| good	4.997 \| good	21.832 \| good	25.116 \| good	0.764 \| good	4.265 \| good	0.141 \| good

Real-time air quality index in Round Lake, Illinois today

Common air pollutants in Round Lake, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Round Lake, Illinois air quality forecast and history

Empower business decisions with accurate air quality data

Round Lake, Illinois air quality map: Real-time AQI near you

Air quality in nearby cities

Round Lake Beach, Illinois

Grayslake, Illinois

Lindenhurst, Illinois

Fox Lake, Illinois

Gages Lake, Illinois

Wauconda, Illinois

How accurate is Illinois, USA air quality data?

Air quality levels in US

Frequently asked questions

How frequently is the air quality data for Round Lake, Illinois updated?

When did Round Lake, Illinois experience the worst air quality in the last 24 hours?

When did Round Lake, Illinois have its best air quality in the last 24 hours?

What is the real-time air quality index for Round Lake, Illinois?

Which pollutant is found most often in Round Lake, Illinois?

What can I do if the air quality in Round Lake, Illinois is poor?

What are the current PM2.5 levels in Round Lake, Illinois?

What are the current PM10 levels at Round Lake, Illinois?

What are the current carbon monoxide (CO) levels at Round Lake, Illinois?

What are the current sulfur dioxide (SO2) levels at Round Lake, Illinois?

What are the current ozone (O3) levels at Round Lake, Illinois?

What are the current nitrogen dioxide (NO2) levels at Round Lake, Illinois?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What are the current PM_2.5 levels in Round Lake, Illinois?

What are the current PM₁₀ levels at Round Lake, Illinois?

What are the current sulfur dioxide (SO₂) levels at Round Lake, Illinois?

What are the current ozone (O₃) levels at Round Lake, Illinois?

What are the current nitrogen dioxide (NO₂) levels at Round Lake, Illinois?