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

The current PM10 levels in Round Lake, Illinois are 190.309 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 0.833 ppb.

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

The current ozone (O3) levels at Round Lake, Illinois is 42.578 ppm.

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

The current nitrogen dioxide (NO2) levels at Round Lake, Illinois is 7.604 ppb.

Live air quality index in Round Lake, Illinois today

Name: Live air pollution levels in Round Lake, Illinois today
Creator: Ambee

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)

137

Unhealthy for sensitive groups

Round Lake, Illinois

Last updated: ... (Local time)

Major air pollutants in Round Lake, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

49.53 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

190.31 μg/m³

155

255

425

605+

Ozone (O₃)

42.58 ppb

201

201+

Sulfur Dioxide (SO₂)

0.83 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

7.60 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.33 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

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
2025-06-04T07:00:00.000Z	94 \| moderate	13.765 \| fine	140.869 \| fine	43.151 \| good	0.29 \| good	2.797 \| good	0.56 \| good
2025-06-04T08:00:00.000Z	84 \| moderate	17.183 \| fine	121.378 \| fine	43.45 \| good	0.365 \| good	5.282 \| good	0.783 \| good
2025-06-04T09:00:00.000Z	66 \| moderate	17.176 \| fine	76.862 \| fine	33.331 \| good	0.38 \| good	5.137 \| good	0.951 \| good
2025-06-04T10:00:00.000Z	73 \| moderate	21.303 \| fine	86.395 \| fine	31.942 \| good	0.486 \| good	3.898 \| good	0.951 \| good
2025-06-04T11:00:00.000Z	66 \| moderate	17.05 \| fine	63.626 \| fine	35.891 \| good	0.398 \| good	4.758 \| good	1.018 \| good
2025-06-04T12:00:00.000Z	92 \| moderate	31.298 \| fine	111.922 \| fine	29.177 \| good	0.308 \| good	5.342 \| good	0.773 \| good
2025-06-04T13:00:00.000Z	118 \| sensitive	42.341 \| moderate	189 \| moderate	37.498 \| good	0.274 \| good	3.375 \| good	0.228 \| good
2025-06-04T14:00:00.000Z	134 \| sensitive	48.541 \| moderate	167.411 \| moderate	29.799 \| good	0.339 \| good	5.997 \| good	0.844 \| good
2025-06-04T15:00:00.000Z	112 \| sensitive	37.626 \| moderate	177.176 \| moderate	30.836 \| good	0.342 \| good	4.441 \| good	0.825 \| good
2025-06-04T16:00:00.000Z	73 \| moderate	21.401 \| fine	91.788 \| fine	35.392 \| good	0.409 \| good	3.597 \| good	0.532 \| good
2025-06-04T17:00:00.000Z	99 \| moderate	35.453 \| fine	149.139 \| fine	32.254 \| good	0.455 \| good	6.188 \| good	0.664 \| good
2025-06-04T18:00:00.000Z	90 \| moderate	30.388 \| fine	47.953 \| good	36.319 \| good	0.582 \| good	4.116 \| good	0.667 \| good
2025-06-04T19:00:00.000Z	102 \| sensitive	36.478 \| moderate	96.699 \| fine	39.924 \| good	0.356 \| good	2.991 \| good	0.608 \| good
2025-06-04T20:00:00.000Z	79 \| moderate	24.031 \| fine	49.207 \| good	42.957 \| good	0.33 \| good	3.464 \| good	0.42 \| good
2025-06-04T21:00:00.000Z	73 \| moderate	20.533 \| fine	92.895 \| fine	39.379 \| good	0.391 \| good	3.418 \| good	0.342 \| good
2025-06-04T22:00:00.000Z	79 \| moderate	24.242 \| fine	88.504 \| fine	49.133 \| good	0.389 \| good	2.994 \| good	0.342 \| good
2025-06-04T23:00:00.000Z	92 \| moderate	31.332 \| fine	120.014 \| fine	44.812 \| good	0.368 \| good	2.749 \| good	0.342 \| good
2025-06-05T00:00:00.000Z	128 \| sensitive	43.242 \| moderate	208.663 \| moderate	44.606 \| good	0.25 \| good	3.264 \| good	0.332 \| good
2025-06-05T01:00:00.000Z	75 \| moderate	22.364 \| fine	39.959 \| good	37.868 \| good	0.254 \| good	4.013 \| good	0.399 \| good
2025-06-05T02:00:00.000Z	81 \| moderate	24.597 \| fine	99.83 \| fine	38.325 \| good	0.34 \| good	12.4 \| good	0.522 \| good
2025-06-05T03:00:00.000Z	73 \| moderate	20.882 \| fine	81.568 \| fine	31.194 \| good	0.35 \| good	18.733 \| good	0.521 \| good
2025-06-05T04:00:00.000Z	94 \| moderate	32.061 \| fine	82.827 \| fine	25.146 \| good	0.353 \| good	30.672 \| good	0.588 \| good
2025-06-05T05:00:00.000Z	107 \| sensitive	37.681 \| moderate	118.789 \| fine	29.225 \| good	0.303 \| good	27.38 \| good	0.543 \| good
2025-06-05T06:00:00.000Z	92 \| moderate	30.742 \| fine	97.876 \| fine	24.678 \| good	0.271 \| good	24.738 \| good	0.543 \| good
2025-06-05T07:00:00.000Z	129 \| sensitive	47.48 \| moderate	175.856 \| moderate	22.956 \| good	0.439 \| good	20.254 \| good	0.498 \| good
2025-06-05T08:00:00.000Z	134 \| sensitive	48.869 \| moderate	181.384 \| moderate	18.774 \| good	0.388 \| good	18.465 \| good	0.465 \| good
2025-06-05T09:00:00.000Z	115 \| sensitive	41.066 \| moderate	57.03 \| fine	20.04 \| good	0.378 \| good	18.199 \| good	0.51 \| good
2025-06-05T10:00:00.000Z	96 \| moderate	32.882 \| fine	141.929 \| fine	20.495 \| good	0.345 \| good	14.797 \| good	0.497 \| good
2025-06-05T11:00:00.000Z	97 \| moderate	34.112 \| fine	68.27 \| fine	13.17 \| good	0.345 \| good	16.666 \| good	0.6 \| good
2025-06-05T12:00:00.000Z	86 \| moderate	28.243 \| fine	113.644 \| fine	22.324 \| good	0.299 \| good	17.139 \| good	0.599 \| good
2025-06-05T13:00:00.000Z	117 \| sensitive	41.503 \| moderate	59.479 \| fine	19.32 \| good	0.395 \| good	9.853 \| good	0.51 \| good
2025-06-05T14:00:00.000Z	129 \| sensitive	46.618 \| moderate	172.862 \| moderate	22.362 \| good	0.306 \| good	5.091 \| good	0.409 \| good
2025-06-05T15:00:00.000Z	112 \| sensitive	40.384 \| moderate	134.521 \| fine	32.662 \| good	0.271 \| good	4.189 \| good	0.389 \| good
2025-06-05T16:00:00.000Z	115 \| sensitive	41.119 \| moderate	145.544 \| fine	39.656 \| good	0.582 \| good	3.766 \| good	0.389 \| good
2025-06-05T17:00:00.000Z	115 \| sensitive	40.987 \| moderate	151.929 \| fine	42.635 \| good	1.931 \| good	3.488 \| good	0.369 \| good
2025-06-05T18:00:00.000Z	117 \| sensitive	41.742 \| moderate	175.606 \| moderate	47.737 \| good	0.963 \| good	2.255 \| good	0.358 \| good
2025-06-05T19:00:00.000Z	137 \| sensitive	49.995 \| moderate	217.749 \| moderate	46.528 \| good	0.977 \| good	1.856 \| good	0.301 \| good
2025-06-05T20:00:00.000Z	124 \| sensitive	45.098 \| moderate	201.479 \| moderate	47.392 \| good	0.803 \| good	2.834 \| good	0.289 \| good
2025-06-05T21:00:00.000Z	141 \| sensitive	45.861 \| moderate	236.231 \| moderate	53.1 \| good	0.832 \| good	2.677 \| good	0.268 \| good
2025-06-05T22:00:00.000Z	134 \| sensitive	49.432 \| moderate	220.833 \| moderate	53.459 \| good	0.409 \| good	4.215 \| good	0.268 \| good
2025-06-05T23:00:00.000Z	139 \| sensitive	48.796 \| moderate	231.297 \| moderate	54.715 \| good	0.377 \| good	5.672 \| good	0.256 \| good
2025-06-06T00:00:00.000Z	139 \| sensitive	44.724 \| moderate	230.796 \| moderate	48.77 \| good	0.696 \| good	5.443 \| good	0.266 \| good
2025-06-06T01:00:00.000Z	142 \| sensitive	52.162 \| moderate	232.928 \| moderate	50.832 \| good	0.964 \| good	4.391 \| good	0.266 \| good
2025-06-06T02:00:00.000Z	115 \| sensitive	40.959 \| moderate	100.108 \| fine	45.144 \| good	1.298 \| good	4.514 \| good	0.277 \| good
2025-06-06T03:00:00.000Z	104 \| sensitive	36.069 \| moderate	161.785 \| moderate	47.366 \| good	1.391 \| good	5.241 \| good	0.288 \| good
2025-06-06T04:00:00.000Z	117 \| sensitive	41.947 \| moderate	137.484 \| fine	36.201 \| good	1.293 \| good	4.697 \| good	0.278 \| good
2025-06-06T05:00:00.000Z	137 \| sensitive	49.707 \| moderate	201.551 \| moderate	42.702 \| good	0.833 \| good	8.097 \| good	0.334 \| good
2025-06-06T06:00:00.000Z	135 \| sensitive	48.771 \| moderate	223.482 \| moderate	28.568 \| good	0.712 \| good	11.551 \| good	0.345 \| good
2025-06-06T06:00:00.000Z	137 \| sensitive	49.526 \| moderate	190.309 \| moderate	42.578 \| good	0.833 \| good	7.604 \| good	0.333 \| good
2025-06-06T07:00:00.000Z	107 \| sensitive	37.615 \| moderate	164.986 \| moderate	29.113 \| good	0.371 \| good	4.796 \| good	0.215 \| good
2025-06-06T08:00:00.000Z	97 \| moderate	34.046 \| fine	147.01 \| fine	26.205 \| good	0.347 \| good	4.495 \| good	0.213 \| good
2025-06-06T09:00:00.000Z	94 \| moderate	32.306 \| fine	139.071 \| fine	23.536 \| good	0.322 \| good	4.194 \| good	0.211 \| good
2025-06-06T10:00:00.000Z	96 \| moderate	33.219 \| fine	143.072 \| fine	20.214 \| good	0.39 \| good	4.861 \| good	0.217 \| good
2025-06-06T11:00:00.000Z	92 \| moderate	30.679 \| fine	133.051 \| fine	19.941 \| good	0.376 \| good	4.828 \| good	0.215 \| good
2025-06-06T12:00:00.000Z	88 \| moderate	29.408 \| fine	127.068 \| fine	22.857 \| good	0.362 \| good	4.795 \| good	0.213 \| good
2025-06-06T13:00:00.000Z	84 \| moderate	26.669 \| fine	115.06 \| fine	25.417 \| good	0.529 \| good	5.414 \| good	0.228 \| good
2025-06-06T14:00:00.000Z	77 \| moderate	22.854 \| fine	100.978 \| fine	31.417 \| good	0.504 \| good	6.79 \| good	0.242 \| good
2025-06-06T15:00:00.000Z	66 \| moderate	17.186 \| fine	76.954 \| fine	36.796 \| good	0.479 \| good	8.165 \| good	0.256 \| good
2025-06-06T16:00:00.000Z	54 \| moderate	10.716 \| good	47.991 \| good	41.433 \| good	0.535 \| good	2.821 \| good	0.195 \| good
2025-06-06T17:00:00.000Z	42 \| good	5.161 \| good	22.053 \| good	45.006 \| good	0.514 \| good	3.699 \| good	0.209 \| good
2025-06-06T18:00:00.000Z	43 \| good	4.747 \| good	21.018 \| good	45.908 \| good	0.493 \| good	4.578 \| good	0.224 \| good
2025-06-06T19:00:00.000Z	41 \| good	3.547 \| good	16.001 \| good	44.322 \| good	0.595 \| good	2.242 \| good	0.183 \| good
2025-06-06T20:00:00.000Z	42 \| good	4.356 \| good	19.058 \| good	44.549 \| good	0.576 \| good	3.098 \| good	0.199 \| good
2025-06-06T21:00:00.000Z	41 \| good	6.596 \| good	29.034 \| good	43.601 \| good	0.556 \| good	3.953 \| good	0.215 \| good
2025-06-06T22:00:00.000Z	39 \| good	6.747 \| good	30.017 \| good	41.769 \| good	0.643 \| good	6.134 \| good	0.208 \| good
2025-06-06T23:00:00.000Z	44 \| good	8.187 \| good	35.984 \| good	38.43 \| good	0.62 \| good	7.939 \| good	0.231 \| good
2025-06-07T00:00:00.000Z	38 \| good	7.461 \| good	32.986 \| good	34.569 \| good	0.596 \| good	9.743 \| good	0.253 \| good
2025-06-07T01:00:00.000Z	38 \| good	6.532 \| good	28.961 \| good	31.273 \| good	0.761 \| good	12.709 \| good	0.254 \| good
2025-06-07T02:00:00.000Z	44 \| good	7.969 \| good	34.98 \| good	28.752 \| good	0.723 \| good	13.221 \| good	0.262 \| good
2025-06-07T03:00:00.000Z	44 \| good	8.09 \| good	35.051 \| good	27.148 \| good	0.686 \| good	13.733 \| good	0.269 \| good
2025-06-07T04:00:00.000Z	52 \| moderate	10.015 \| good	44.994 \| good	25.171 \| good	0.683 \| good	11.92 \| good	0.237 \| good
2025-06-07T05:00:00.000Z	58 \| moderate	13.407 \| fine	60.984 \| fine	23.802 \| good	0.601 \| good	10.649 \| good	0.228 \| good
2025-06-07T06:00:00.000Z	56 \| moderate	12.086 \| good	54.004 \| good	22.178 \| good	0.519 \| good	9.379 \| good	0.219 \| good
2025-06-07T07:00:00.000Z	49 \| good	9.439 \| good	41.936 \| good	21.819 \| good	0.442 \| good	6.075 \| good	0.182 \| good
2025-06-07T08:00:00.000Z	33 \| good	6.409 \| good	28.907 \| good	21.464 \| good	0.378 \| good	5.031 \| good	0.175 \| good
2025-06-07T09:00:00.000Z	19 \| good	3.208 \| good	13.97 \| good	20.189 \| good	0.313 \| good	3.986 \| good	0.169 \| good
2025-06-07T10:00:00.000Z	20 \| good	3.045 \| good	12.022 \| good	22.237 \| good	0.346 \| good	4.342 \| good	0.183 \| good
2025-06-07T11:00:00.000Z	21 \| good	2.285 \| good	9.093 \| good	23.056 \| good	0.324 \| good	4.15 \| good	0.184 \| good
2025-06-07T12:00:00.000Z	26 \| good	3.941 \| good	17.017 \| good	28.127 \| good	0.301 \| good	3.957 \| good	0.185 \| good
2025-06-07T13:00:00.000Z	29 \| good	4.665 \| good	20.03 \| good	30.754 \| good	0.633 \| good	3.67 \| good	0.219 \| good
2025-06-07T14:00:00.000Z	44 \| good	7.528 \| good	32.993 \| good	34.101 \| good	0.58 \| good	4.536 \| good	0.232 \| good
2025-06-07T15:00:00.000Z	44 \| good	8.195 \| good	35.969 \| good	34.274 \| good	0.528 \| good	5.402 \| good	0.245 \| good
2025-06-07T16:00:00.000Z	33 \| good	5.443 \| good	22.999 \| good	36.309 \| good	0.732 \| good	2.317 \| good	0.219 \| good
2025-06-07T17:00:00.000Z	33 \| good	3.937 \| good	17.034 \| good	36.245 \| good	0.697 \| good	3.232 \| good	0.235 \| good
2025-06-07T18:00:00.000Z	32 \| good	4.869 \| good	21.048 \| good	34.533 \| good	0.662 \| good	4.147 \| good	0.251 \| good
2025-06-07T19:00:00.000Z	30 \| good	4.335 \| good	19.003 \| good	31.948 \| good	0.673 \| good	2.396 \| good	0.204 \| good
2025-06-07T20:00:00.000Z	32 \| good	4.747 \| good	21.01 \| good	34.703 \| good	0.63 \| good	3.36 \| good	0.221 \| good
2025-06-07T21:00:00.000Z	36 \| good	4.105 \| good	17.991 \| good	38.692 \| good	0.587 \| good	4.324 \| good	0.238 \| good
2025-06-07T22:00:00.000Z	37 \| good	5.33 \| good	22.998 \| good	40.237 \| good	0.554 \| good	6.836 \| good	0.226 \| good
2025-06-07T23:00:00.000Z	35 \| good	5.127 \| good	22.019 \| good	38.157 \| good	0.498 \| good	8.196 \| good	0.241 \| good
2025-06-08T00:00:00.000Z	52 \| moderate	10.281 \| good	45.014 \| good	35.228 \| good	0.443 \| good	9.555 \| good	0.256 \| good
2025-06-08T01:00:00.000Z	52 \| moderate	10.057 \| good	44.99 \| good	34.013 \| good	0.521 \| good	6.367 \| good	0.201 \| good
2025-06-08T02:00:00.000Z	56 \| moderate	12.37 \| fine	55.045 \| fine	36.731 \| good	0.471 \| good	6.527 \| good	0.204 \| good
2025-06-08T03:00:00.000Z	49 \| good	9.449 \| good	42.019 \| good	35.571 \| good	0.421 \| good	6.687 \| good	0.208 \| good
2025-06-08T04:00:00.000Z	38 \| good	7.371 \| good	32.031 \| good	32.505 \| good	0.576 \| good	5.011 \| good	0.189 \| good
2025-06-08T05:00:00.000Z	33 \| good	6.169 \| good	27.05 \| good	31.429 \| good	0.537 \| good	4.775 \| good	0.189 \| good
2025-06-08T06:00:00.000Z	52 \| moderate	10.284 \| good	10.75 \| good	48.219 \| good	0.491 \| good	4.491 \| good	0.189 \| good

Round Lake

Empower business decisions with accurate air quality data

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

0.33ppm

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 01:00:00 on 2025-06-06.

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 12:00:00 on 2025-06-05.

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

The real-time air quality index in Round Lake, Illinois is 137, currently categorized as Unhealthy for Sensitive Groups.

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 49.526 μg/m³.

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

The current PM₁₀ levels in Round Lake, Illinois are 190.309 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 0.333 ppm.

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

The current sulfur dioxide (SO₂) levels in Round Lake, Illinois are 0.833 ppb.

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

The current ozone (O₃) levels at Round Lake, Illinois is 42.578 ppm.

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

The current nitrogen dioxide (NO₂) levels at Round Lake, Illinois is 7.604 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-04T07:00:00.000Z	94 \| moderate	13.765 \| fine	140.869 \| fine	43.151 \| good	0.29 \| good	2.797 \| good	0.56 \| good
2025-06-04T08:00:00.000Z	84 \| moderate	17.183 \| fine	121.378 \| fine	43.45 \| good	0.365 \| good	5.282 \| good	0.783 \| good
2025-06-04T09:00:00.000Z	66 \| moderate	17.176 \| fine	76.862 \| fine	33.331 \| good	0.38 \| good	5.137 \| good	0.951 \| good
2025-06-04T10:00:00.000Z	73 \| moderate	21.303 \| fine	86.395 \| fine	31.942 \| good	0.486 \| good	3.898 \| good	0.951 \| good
2025-06-04T11:00:00.000Z	66 \| moderate	17.05 \| fine	63.626 \| fine	35.891 \| good	0.398 \| good	4.758 \| good	1.018 \| good
2025-06-04T12:00:00.000Z	92 \| moderate	31.298 \| fine	111.922 \| fine	29.177 \| good	0.308 \| good	5.342 \| good	0.773 \| good
2025-06-04T13:00:00.000Z	118 \| sensitive	42.341 \| moderate	189 \| moderate	37.498 \| good	0.274 \| good	3.375 \| good	0.228 \| good
2025-06-04T14:00:00.000Z	134 \| sensitive	48.541 \| moderate	167.411 \| moderate	29.799 \| good	0.339 \| good	5.997 \| good	0.844 \| good
2025-06-04T15:00:00.000Z	112 \| sensitive	37.626 \| moderate	177.176 \| moderate	30.836 \| good	0.342 \| good	4.441 \| good	0.825 \| good
2025-06-04T16:00:00.000Z	73 \| moderate	21.401 \| fine	91.788 \| fine	35.392 \| good	0.409 \| good	3.597 \| good	0.532 \| good
2025-06-04T17:00:00.000Z	99 \| moderate	35.453 \| fine	149.139 \| fine	32.254 \| good	0.455 \| good	6.188 \| good	0.664 \| good
2025-06-04T18:00:00.000Z	90 \| moderate	30.388 \| fine	47.953 \| good	36.319 \| good	0.582 \| good	4.116 \| good	0.667 \| good
2025-06-04T19:00:00.000Z	102 \| sensitive	36.478 \| moderate	96.699 \| fine	39.924 \| good	0.356 \| good	2.991 \| good	0.608 \| good
2025-06-04T20:00:00.000Z	79 \| moderate	24.031 \| fine	49.207 \| good	42.957 \| good	0.33 \| good	3.464 \| good	0.42 \| good
2025-06-04T21:00:00.000Z	73 \| moderate	20.533 \| fine	92.895 \| fine	39.379 \| good	0.391 \| good	3.418 \| good	0.342 \| good
2025-06-04T22:00:00.000Z	79 \| moderate	24.242 \| fine	88.504 \| fine	49.133 \| good	0.389 \| good	2.994 \| good	0.342 \| good
2025-06-04T23:00:00.000Z	92 \| moderate	31.332 \| fine	120.014 \| fine	44.812 \| good	0.368 \| good	2.749 \| good	0.342 \| good
2025-06-05T00:00:00.000Z	128 \| sensitive	43.242 \| moderate	208.663 \| moderate	44.606 \| good	0.25 \| good	3.264 \| good	0.332 \| good
2025-06-05T01:00:00.000Z	75 \| moderate	22.364 \| fine	39.959 \| good	37.868 \| good	0.254 \| good	4.013 \| good	0.399 \| good
2025-06-05T02:00:00.000Z	81 \| moderate	24.597 \| fine	99.83 \| fine	38.325 \| good	0.34 \| good	12.4 \| good	0.522 \| good
2025-06-05T03:00:00.000Z	73 \| moderate	20.882 \| fine	81.568 \| fine	31.194 \| good	0.35 \| good	18.733 \| good	0.521 \| good
2025-06-05T04:00:00.000Z	94 \| moderate	32.061 \| fine	82.827 \| fine	25.146 \| good	0.353 \| good	30.672 \| good	0.588 \| good
2025-06-05T05:00:00.000Z	107 \| sensitive	37.681 \| moderate	118.789 \| fine	29.225 \| good	0.303 \| good	27.38 \| good	0.543 \| good
2025-06-05T06:00:00.000Z	92 \| moderate	30.742 \| fine	97.876 \| fine	24.678 \| good	0.271 \| good	24.738 \| good	0.543 \| good
2025-06-05T07:00:00.000Z	129 \| sensitive	47.48 \| moderate	175.856 \| moderate	22.956 \| good	0.439 \| good	20.254 \| good	0.498 \| good
2025-06-05T08:00:00.000Z	134 \| sensitive	48.869 \| moderate	181.384 \| moderate	18.774 \| good	0.388 \| good	18.465 \| good	0.465 \| good
2025-06-05T09:00:00.000Z	115 \| sensitive	41.066 \| moderate	57.03 \| fine	20.04 \| good	0.378 \| good	18.199 \| good	0.51 \| good
2025-06-05T10:00:00.000Z	96 \| moderate	32.882 \| fine	141.929 \| fine	20.495 \| good	0.345 \| good	14.797 \| good	0.497 \| good
2025-06-05T11:00:00.000Z	97 \| moderate	34.112 \| fine	68.27 \| fine	13.17 \| good	0.345 \| good	16.666 \| good	0.6 \| good
2025-06-05T12:00:00.000Z	86 \| moderate	28.243 \| fine	113.644 \| fine	22.324 \| good	0.299 \| good	17.139 \| good	0.599 \| good
2025-06-05T13:00:00.000Z	117 \| sensitive	41.503 \| moderate	59.479 \| fine	19.32 \| good	0.395 \| good	9.853 \| good	0.51 \| good
2025-06-05T14:00:00.000Z	129 \| sensitive	46.618 \| moderate	172.862 \| moderate	22.362 \| good	0.306 \| good	5.091 \| good	0.409 \| good
2025-06-05T15:00:00.000Z	112 \| sensitive	40.384 \| moderate	134.521 \| fine	32.662 \| good	0.271 \| good	4.189 \| good	0.389 \| good
2025-06-05T16:00:00.000Z	115 \| sensitive	41.119 \| moderate	145.544 \| fine	39.656 \| good	0.582 \| good	3.766 \| good	0.389 \| good
2025-06-05T17:00:00.000Z	115 \| sensitive	40.987 \| moderate	151.929 \| fine	42.635 \| good	1.931 \| good	3.488 \| good	0.369 \| good
2025-06-05T18:00:00.000Z	117 \| sensitive	41.742 \| moderate	175.606 \| moderate	47.737 \| good	0.963 \| good	2.255 \| good	0.358 \| good
2025-06-05T19:00:00.000Z	137 \| sensitive	49.995 \| moderate	217.749 \| moderate	46.528 \| good	0.977 \| good	1.856 \| good	0.301 \| good
2025-06-05T20:00:00.000Z	124 \| sensitive	45.098 \| moderate	201.479 \| moderate	47.392 \| good	0.803 \| good	2.834 \| good	0.289 \| good
2025-06-05T21:00:00.000Z	141 \| sensitive	45.861 \| moderate	236.231 \| moderate	53.1 \| good	0.832 \| good	2.677 \| good	0.268 \| good
2025-06-05T22:00:00.000Z	134 \| sensitive	49.432 \| moderate	220.833 \| moderate	53.459 \| good	0.409 \| good	4.215 \| good	0.268 \| good
2025-06-05T23:00:00.000Z	139 \| sensitive	48.796 \| moderate	231.297 \| moderate	54.715 \| good	0.377 \| good	5.672 \| good	0.256 \| good
2025-06-06T00:00:00.000Z	139 \| sensitive	44.724 \| moderate	230.796 \| moderate	48.77 \| good	0.696 \| good	5.443 \| good	0.266 \| good
2025-06-06T01:00:00.000Z	142 \| sensitive	52.162 \| moderate	232.928 \| moderate	50.832 \| good	0.964 \| good	4.391 \| good	0.266 \| good
2025-06-06T02:00:00.000Z	115 \| sensitive	40.959 \| moderate	100.108 \| fine	45.144 \| good	1.298 \| good	4.514 \| good	0.277 \| good
2025-06-06T03:00:00.000Z	104 \| sensitive	36.069 \| moderate	161.785 \| moderate	47.366 \| good	1.391 \| good	5.241 \| good	0.288 \| good
2025-06-06T04:00:00.000Z	117 \| sensitive	41.947 \| moderate	137.484 \| fine	36.201 \| good	1.293 \| good	4.697 \| good	0.278 \| good
2025-06-06T05:00:00.000Z	137 \| sensitive	49.707 \| moderate	201.551 \| moderate	42.702 \| good	0.833 \| good	8.097 \| good	0.334 \| good
2025-06-06T06:00:00.000Z	135 \| sensitive	48.771 \| moderate	223.482 \| moderate	28.568 \| good	0.712 \| good	11.551 \| good	0.345 \| good
2025-06-06T06:00:00.000Z	137 \| sensitive	49.526 \| moderate	190.309 \| moderate	42.578 \| good	0.833 \| good	7.604 \| good	0.333 \| good
2025-06-06T07:00:00.000Z	107 \| sensitive	37.615 \| moderate	164.986 \| moderate	29.113 \| good	0.371 \| good	4.796 \| good	0.215 \| good
2025-06-06T08:00:00.000Z	97 \| moderate	34.046 \| fine	147.01 \| fine	26.205 \| good	0.347 \| good	4.495 \| good	0.213 \| good
2025-06-06T09:00:00.000Z	94 \| moderate	32.306 \| fine	139.071 \| fine	23.536 \| good	0.322 \| good	4.194 \| good	0.211 \| good
2025-06-06T10:00:00.000Z	96 \| moderate	33.219 \| fine	143.072 \| fine	20.214 \| good	0.39 \| good	4.861 \| good	0.217 \| good
2025-06-06T11:00:00.000Z	92 \| moderate	30.679 \| fine	133.051 \| fine	19.941 \| good	0.376 \| good	4.828 \| good	0.215 \| good
2025-06-06T12:00:00.000Z	88 \| moderate	29.408 \| fine	127.068 \| fine	22.857 \| good	0.362 \| good	4.795 \| good	0.213 \| good
2025-06-06T13:00:00.000Z	84 \| moderate	26.669 \| fine	115.06 \| fine	25.417 \| good	0.529 \| good	5.414 \| good	0.228 \| good
2025-06-06T14:00:00.000Z	77 \| moderate	22.854 \| fine	100.978 \| fine	31.417 \| good	0.504 \| good	6.79 \| good	0.242 \| good
2025-06-06T15:00:00.000Z	66 \| moderate	17.186 \| fine	76.954 \| fine	36.796 \| good	0.479 \| good	8.165 \| good	0.256 \| good
2025-06-06T16:00:00.000Z	54 \| moderate	10.716 \| good	47.991 \| good	41.433 \| good	0.535 \| good	2.821 \| good	0.195 \| good
2025-06-06T17:00:00.000Z	42 \| good	5.161 \| good	22.053 \| good	45.006 \| good	0.514 \| good	3.699 \| good	0.209 \| good
2025-06-06T18:00:00.000Z	43 \| good	4.747 \| good	21.018 \| good	45.908 \| good	0.493 \| good	4.578 \| good	0.224 \| good
2025-06-06T19:00:00.000Z	41 \| good	3.547 \| good	16.001 \| good	44.322 \| good	0.595 \| good	2.242 \| good	0.183 \| good
2025-06-06T20:00:00.000Z	42 \| good	4.356 \| good	19.058 \| good	44.549 \| good	0.576 \| good	3.098 \| good	0.199 \| good
2025-06-06T21:00:00.000Z	41 \| good	6.596 \| good	29.034 \| good	43.601 \| good	0.556 \| good	3.953 \| good	0.215 \| good
2025-06-06T22:00:00.000Z	39 \| good	6.747 \| good	30.017 \| good	41.769 \| good	0.643 \| good	6.134 \| good	0.208 \| good
2025-06-06T23:00:00.000Z	44 \| good	8.187 \| good	35.984 \| good	38.43 \| good	0.62 \| good	7.939 \| good	0.231 \| good
2025-06-07T00:00:00.000Z	38 \| good	7.461 \| good	32.986 \| good	34.569 \| good	0.596 \| good	9.743 \| good	0.253 \| good
2025-06-07T01:00:00.000Z	38 \| good	6.532 \| good	28.961 \| good	31.273 \| good	0.761 \| good	12.709 \| good	0.254 \| good
2025-06-07T02:00:00.000Z	44 \| good	7.969 \| good	34.98 \| good	28.752 \| good	0.723 \| good	13.221 \| good	0.262 \| good
2025-06-07T03:00:00.000Z	44 \| good	8.09 \| good	35.051 \| good	27.148 \| good	0.686 \| good	13.733 \| good	0.269 \| good
2025-06-07T04:00:00.000Z	52 \| moderate	10.015 \| good	44.994 \| good	25.171 \| good	0.683 \| good	11.92 \| good	0.237 \| good
2025-06-07T05:00:00.000Z	58 \| moderate	13.407 \| fine	60.984 \| fine	23.802 \| good	0.601 \| good	10.649 \| good	0.228 \| good
2025-06-07T06:00:00.000Z	56 \| moderate	12.086 \| good	54.004 \| good	22.178 \| good	0.519 \| good	9.379 \| good	0.219 \| good
2025-06-07T07:00:00.000Z	49 \| good	9.439 \| good	41.936 \| good	21.819 \| good	0.442 \| good	6.075 \| good	0.182 \| good
2025-06-07T08:00:00.000Z	33 \| good	6.409 \| good	28.907 \| good	21.464 \| good	0.378 \| good	5.031 \| good	0.175 \| good
2025-06-07T09:00:00.000Z	19 \| good	3.208 \| good	13.97 \| good	20.189 \| good	0.313 \| good	3.986 \| good	0.169 \| good
2025-06-07T10:00:00.000Z	20 \| good	3.045 \| good	12.022 \| good	22.237 \| good	0.346 \| good	4.342 \| good	0.183 \| good
2025-06-07T11:00:00.000Z	21 \| good	2.285 \| good	9.093 \| good	23.056 \| good	0.324 \| good	4.15 \| good	0.184 \| good
2025-06-07T12:00:00.000Z	26 \| good	3.941 \| good	17.017 \| good	28.127 \| good	0.301 \| good	3.957 \| good	0.185 \| good
2025-06-07T13:00:00.000Z	29 \| good	4.665 \| good	20.03 \| good	30.754 \| good	0.633 \| good	3.67 \| good	0.219 \| good
2025-06-07T14:00:00.000Z	44 \| good	7.528 \| good	32.993 \| good	34.101 \| good	0.58 \| good	4.536 \| good	0.232 \| good
2025-06-07T15:00:00.000Z	44 \| good	8.195 \| good	35.969 \| good	34.274 \| good	0.528 \| good	5.402 \| good	0.245 \| good
2025-06-07T16:00:00.000Z	33 \| good	5.443 \| good	22.999 \| good	36.309 \| good	0.732 \| good	2.317 \| good	0.219 \| good
2025-06-07T17:00:00.000Z	33 \| good	3.937 \| good	17.034 \| good	36.245 \| good	0.697 \| good	3.232 \| good	0.235 \| good
2025-06-07T18:00:00.000Z	32 \| good	4.869 \| good	21.048 \| good	34.533 \| good	0.662 \| good	4.147 \| good	0.251 \| good
2025-06-07T19:00:00.000Z	30 \| good	4.335 \| good	19.003 \| good	31.948 \| good	0.673 \| good	2.396 \| good	0.204 \| good
2025-06-07T20:00:00.000Z	32 \| good	4.747 \| good	21.01 \| good	34.703 \| good	0.63 \| good	3.36 \| good	0.221 \| good
2025-06-07T21:00:00.000Z	36 \| good	4.105 \| good	17.991 \| good	38.692 \| good	0.587 \| good	4.324 \| good	0.238 \| good
2025-06-07T22:00:00.000Z	37 \| good	5.33 \| good	22.998 \| good	40.237 \| good	0.554 \| good	6.836 \| good	0.226 \| good
2025-06-07T23:00:00.000Z	35 \| good	5.127 \| good	22.019 \| good	38.157 \| good	0.498 \| good	8.196 \| good	0.241 \| good
2025-06-08T00:00:00.000Z	52 \| moderate	10.281 \| good	45.014 \| good	35.228 \| good	0.443 \| good	9.555 \| good	0.256 \| good
2025-06-08T01:00:00.000Z	52 \| moderate	10.057 \| good	44.99 \| good	34.013 \| good	0.521 \| good	6.367 \| good	0.201 \| good
2025-06-08T02:00:00.000Z	56 \| moderate	12.37 \| fine	55.045 \| fine	36.731 \| good	0.471 \| good	6.527 \| good	0.204 \| good
2025-06-08T03:00:00.000Z	49 \| good	9.449 \| good	42.019 \| good	35.571 \| good	0.421 \| good	6.687 \| good	0.208 \| good
2025-06-08T04:00:00.000Z	38 \| good	7.371 \| good	32.031 \| good	32.505 \| good	0.576 \| good	5.011 \| good	0.189 \| good
2025-06-08T05:00:00.000Z	33 \| good	6.169 \| good	27.05 \| good	31.429 \| good	0.537 \| good	4.775 \| good	0.189 \| good
2025-06-08T06:00:00.000Z	52 \| moderate	10.284 \| good	10.75 \| good	48.219 \| good	0.491 \| good	4.491 \| good	0.189 \| good

Live air quality index in Round Lake, Illinois today

Major 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

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Gages Lake, Illinois

Wauconda, Illinois

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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?

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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?