What is the current level of PM10 in Grayslake, Illinois?

Grayslake, Illinois currently has a PM10 concentration of 11.983 μg/m3.

What is the current level of sulfur dioxide (SO2) in Grayslake, Illinois?

The current sulfur dioxide (SO2) concentration in Grayslake, Illinois is 1.072 ppb.

What is the current level of ozone (O3) in Grayslake, Illinois?

Grayslake, Illinois currently has an ozone (O3) concentration of 20.407 ppm.

What is the current level of nitrogen dioxide (NO2) in Grayslake, Illinois?

The current level of nitrogen dioxide (NO2) in Grayslake, Illinois is 6.55 ppb.

Current air quality index in Grayslake, Illinois today

Q: What is the PM2.5 concentration in Grayslake, Illinois right now?

Grayslake, Illinois currently has a PM2.5 concentration of 2.625 μg/m3.

Stay updated with real-time air quality in Grayslake, 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

Grayslake, Illinois

Last updated: ... (Local time)

Common air pollutants in Grayslake, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

10.06 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

35.15 μg/m³

155

255

425

605+

Ozone (O₃)

3.00 ppb

201

201+

Sulfur Dioxide (SO₂)

1.02 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

12.92 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.38 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Grayslake, Illinois

Get Live Pollen Counts

Grayslake, Illinois

Scroll To Air Quality Map

Track live Grayslake, 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	52 \| moderate	10.058 \| good	35.151 \| good	2.999 \| good	1.022 \| good	12.921 \| good	0.38 \| good
2025-10-24T21:00:00.000Z	28 \| good	2.59 \| good	10.028 \| good	30.28 \| good	0.631 \| good	2.283 \| good	0.139 \| good
2025-10-24T22:00:00.000Z	27 \| good	4.683 \| good	20.03 \| good	25.432 \| good	0.712 \| good	5.687 \| good	0.169 \| good
2025-10-24T23:00:00.000Z	33 \| good	5.526 \| good	24.015 \| good	15.383 \| good	0.794 \| good	9.091 \| good	0.199 \| good
2025-10-25T00:00:00.000Z	27 \| good	5.044 \| good	22.005 \| good	12.639 \| good	0.875 \| good	12.495 \| good	0.229 \| good
2025-10-25T01:00:00.000Z	16 \| good	3.195 \| good	13.955 \| good	10.629 \| good	1.02 \| good	12.685 \| good	0.224 \| good
2025-10-25T02:00:00.000Z	27 \| good	5.281 \| good	22.966 \| good	6.181 \| good	1.164 \| good	12.876 \| good	0.22 \| good
2025-10-25T03:00:00.000Z	33 \| good	6.085 \| good	26.965 \| good	2.945 \| good	1.308 \| good	13.066 \| good	0.215 \| good
2025-10-25T04:00:00.000Z	44 \| good	7.556 \| good	33.011 \| good	4.605 \| good	1.415 \| good	13.207 \| good	0.211 \| good
2025-10-25T05:00:00.000Z	49 \| good	8.97 \| good	39.003 \| good	4.998 \| good	1.522 \| good	13.347 \| good	0.208 \| good
2025-10-25T06:00:00.000Z	38 \| good	7.076 \| good	30.984 \| good	6.66 \| good	1.629 \| good	13.488 \| good	0.204 \| good
2025-10-25T07:00:00.000Z	38 \| good	6.733 \| good	29.942 \| good	6.637 \| good	1.641 \| good	12.833 \| good	0.195 \| good
2025-10-25T08:00:00.000Z	44 \| good	7.593 \| good	33.944 \| good	4.809 \| good	1.653 \| good	12.177 \| good	0.186 \| good
2025-10-25T09:00:00.000Z	49 \| good	8.606 \| good	37.986 \| good	2.896 \| good	1.666 \| good	11.522 \| good	0.176 \| good
2025-10-25T10:00:00.000Z	52 \| moderate	10.296 \| good	45.959 \| good	1.685 \| good	1.79 \| good	12.293 \| good	0.179 \| good
2025-10-25T11:00:00.000Z	52 \| moderate	9.799 \| good	43.97 \| good	1.665 \| good	1.914 \| good	13.063 \| good	0.181 \| good
2025-10-25T12:00:00.000Z	52 \| moderate	9.94 \| good	44.002 \| good	1.279 \| good	2.038 \| good	13.834 \| good	0.184 \| good
2025-10-25T13:00:00.000Z	49 \| good	9.012 \| good	40.946 \| good	5.433 \| good	2.094 \| good	11.795 \| good	0.182 \| good
2025-10-25T14:00:00.000Z	44 \| good	7.818 \| good	34.007 \| good	11.979 \| good	2.151 \| good	9.756 \| good	0.181 \| good
2025-10-25T15:00:00.000Z	38 \| good	6.807 \| good	29.997 \| good	18.629 \| good	2.207 \| good	7.717 \| good	0.179 \| good
2025-10-25T16:00:00.000Z	38 \| good	6.617 \| good	29.973 \| good	20.206 \| good	1.93 \| good	6.128 \| good	0.165 \| good
2025-10-25T17:00:00.000Z	44 \| good	7.583 \| good	32.994 \| good	18.811 \| good	1.654 \| good	4.538 \| good	0.151 \| good
2025-10-25T18:00:00.000Z	44 \| good	8.46 \| good	36.967 \| good	18.642 \| good	1.378 \| good	2.949 \| good	0.137 \| good
2025-10-25T19:00:00.000Z	49 \| good	8.535 \| good	36.99 \| good	19.968 \| good	1.301 \| good	2.953 \| good	0.137 \| good
2025-10-25T20:00:00.000Z	49 \| good	8.771 \| good	38.008 \| good	21.664 \| good	1.225 \| good	2.956 \| good	0.137 \| good
2025-10-25T21:00:00.000Z	49 \| good	9.116 \| good	40.939 \| good	23.373 \| good	1.148 \| good	2.96 \| good	0.136 \| good
2025-10-25T22:00:00.000Z	38 \| good	7.34 \| good	32.023 \| good	26.541 \| good	1.066 \| good	4.331 \| good	0.147 \| good
2025-10-25T23:00:00.000Z	27 \| good	4.681 \| good	20.018 \| good	27.509 \| good	0.983 \| good	5.703 \| good	0.158 \| good
2025-10-26T00:00:00.000Z	27 \| good	5.282 \| good	22.984 \| good	28.133 \| good	0.901 \| good	7.074 \| good	0.168 \| good
2025-10-26T01:00:00.000Z	26 \| good	4.353 \| good	19.008 \| good	28.231 \| good	0.857 \| good	6.788 \| good	0.166 \| good
2025-10-26T02:00:00.000Z	33 \| good	5.646 \| good	24.017 \| good	27.824 \| good	0.813 \| good	6.502 \| good	0.163 \| good
2025-10-26T03:00:00.000Z	33 \| good	6.192 \| good	27.035 \| good	26.423 \| good	0.769 \| good	6.216 \| good	0.16 \| good
2025-10-26T04:00:00.000Z	27 \| good	4.968 \| good	21.065 \| good	28.201 \| good	0.785 \| good	5.94 \| good	0.159 \| good
2025-10-26T05:00:00.000Z	44 \| good	7.858 \| good	34.03 \| good	28.576 \| good	0.802 \| good	5.664 \| good	0.158 \| good
2025-10-26T06:00:00.000Z	52 \| moderate	10.117 \| good	44.993 \| good	26.655 \| good	0.818 \| good	5.389 \| good	0.157 \| good
2025-10-26T07:00:00.000Z	58 \| moderate	12.754 \| fine	57.024 \| fine	22.818 \| good	0.872 \| good	5.288 \| good	0.158 \| good
2025-10-26T08:00:00.000Z	58 \| moderate	12.715 \| fine	56.971 \| fine	21.073 \| good	0.926 \| good	5.186 \| good	0.159 \| good
2025-10-26T09:00:00.000Z	54 \| moderate	10.826 \| good	48.026 \| good	19.592 \| good	0.98 \| good	5.085 \| good	0.16 \| good
2025-10-26T10:00:00.000Z	58 \| moderate	12.69 \| fine	57.003 \| fine	19.857 \| good	1.135 \| good	5.857 \| good	0.168 \| good
2025-10-26T11:00:00.000Z	56 \| moderate	11.574 \| good	51.003 \| good	18.457 \| good	1.29 \| good	6.629 \| good	0.176 \| good
2025-10-26T12:00:00.000Z	49 \| good	9.496 \| good	42.046 \| good	18.441 \| good	1.444 \| good	7.4 \| good	0.184 \| good
2025-10-26T13:00:00.000Z	44 \| good	8.498 \| good	37.009 \| good	18.02 \| good	1.896 \| good	7.167 \| good	0.192 \| good
2025-10-26T14:00:00.000Z	52 \| moderate	9.577 \| good	42.963 \| good	22.156 \| good	2.347 \| good	6.933 \| good	0.2 \| good
2025-10-26T15:00:00.000Z	52 \| moderate	9.999 \| good	44.957 \| good	27.208 \| good	2.798 \| good	6.699 \| good	0.208 \| good
2025-10-26T16:00:00.000Z	54 \| moderate	10.598 \| good	46.984 \| good	29.878 \| good	2.87 \| good	5.722 \| good	0.195 \| good
2025-10-26T17:00:00.000Z	52 \| moderate	9.859 \| good	43.981 \| good	33.481 \| good	2.941 \| good	4.746 \| good	0.182 \| good
2025-10-26T18:00:00.000Z	52 \| moderate	9.651 \| good	42.999 \| good	35.552 \| good	3.013 \| good	3.769 \| good	0.169 \| good
2025-10-26T19:00:00.000Z	52 \| moderate	9.878 \| good	43.993 \| good	36.63 \| good	2.452 \| good	3.435 \| good	0.164 \| good
2025-10-26T20:00:00.000Z	52 \| moderate	10.158 \| good	45 \| good	38.163 \| good	1.892 \| good	3.1 \| good	0.159 \| good

Grayslake

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Grayslake, Illinois

0.27ppm

How accurate is Illinois, USA air quality data?

The air quality data for Illinois, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

Source: Ambee Data Sources

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Frequently asked questions

How frequently does the air quality data for Grayslake, Illinois get updated?

Air quality updates for Grayslake, Illinois are available every hour.

What time in the past 24 hours saw the poorest air quality in Grayslake, Illinois?

Grayslake, Illinois experienced its worst air quality at 03:00:00, 2025-10-24.

When was air quality in Grayslake, Illinois the best over the past 24 hours?

The best air quality in Grayslake, Illinois was observed at 05:00:00 on 2025-10-24.

What is the air quality in Grayslake, Illinois right now?

The air quality in Grayslake, Illinois right now is Good, with an AQI of 19.

What pollutant is most frequently found in Grayslake, Illinois?

In Grayslake, Illinois, O3 is the most frequently found pollutant.

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

When air quality in Grayslake, Illinois is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Grayslake, Illinois right now?

Grayslake, Illinois currently has a PM_2.5 concentration of 2.625 μg/m³.

What is the current level of PM₁₀ in Grayslake, Illinois?

Grayslake, Illinois currently has a PM₁₀ concentration of 11.983 μg/m³.

What is the current level of carbon monoxide (CO) in Grayslake, Illinois?

The current carbon monoxide (CO) level in Grayslake, Illinois is 0.272 ppm.

What is the current level of sulfur dioxide (SO₂) in Grayslake, Illinois?

The current sulfur dioxide (SO₂) concentration in Grayslake, Illinois is 1.072 ppb.

What is the current level of ozone (O₃) in Grayslake, Illinois?

Grayslake, Illinois currently has an ozone (O₃) concentration of 20.407 ppm.

What is the current level of nitrogen dioxide (NO₂) in Grayslake, Illinois?

The current level of nitrogen dioxide (NO₂) in Grayslake, Illinois is 6.55 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	52 \| moderate	10.058 \| good	35.151 \| good	2.999 \| good	1.022 \| good	12.921 \| good	0.38 \| good
2025-10-24T21:00:00.000Z	28 \| good	2.59 \| good	10.028 \| good	30.28 \| good	0.631 \| good	2.283 \| good	0.139 \| good
2025-10-24T22:00:00.000Z	27 \| good	4.683 \| good	20.03 \| good	25.432 \| good	0.712 \| good	5.687 \| good	0.169 \| good
2025-10-24T23:00:00.000Z	33 \| good	5.526 \| good	24.015 \| good	15.383 \| good	0.794 \| good	9.091 \| good	0.199 \| good
2025-10-25T00:00:00.000Z	27 \| good	5.044 \| good	22.005 \| good	12.639 \| good	0.875 \| good	12.495 \| good	0.229 \| good
2025-10-25T01:00:00.000Z	16 \| good	3.195 \| good	13.955 \| good	10.629 \| good	1.02 \| good	12.685 \| good	0.224 \| good
2025-10-25T02:00:00.000Z	27 \| good	5.281 \| good	22.966 \| good	6.181 \| good	1.164 \| good	12.876 \| good	0.22 \| good
2025-10-25T03:00:00.000Z	33 \| good	6.085 \| good	26.965 \| good	2.945 \| good	1.308 \| good	13.066 \| good	0.215 \| good
2025-10-25T04:00:00.000Z	44 \| good	7.556 \| good	33.011 \| good	4.605 \| good	1.415 \| good	13.207 \| good	0.211 \| good
2025-10-25T05:00:00.000Z	49 \| good	8.97 \| good	39.003 \| good	4.998 \| good	1.522 \| good	13.347 \| good	0.208 \| good
2025-10-25T06:00:00.000Z	38 \| good	7.076 \| good	30.984 \| good	6.66 \| good	1.629 \| good	13.488 \| good	0.204 \| good
2025-10-25T07:00:00.000Z	38 \| good	6.733 \| good	29.942 \| good	6.637 \| good	1.641 \| good	12.833 \| good	0.195 \| good
2025-10-25T08:00:00.000Z	44 \| good	7.593 \| good	33.944 \| good	4.809 \| good	1.653 \| good	12.177 \| good	0.186 \| good
2025-10-25T09:00:00.000Z	49 \| good	8.606 \| good	37.986 \| good	2.896 \| good	1.666 \| good	11.522 \| good	0.176 \| good
2025-10-25T10:00:00.000Z	52 \| moderate	10.296 \| good	45.959 \| good	1.685 \| good	1.79 \| good	12.293 \| good	0.179 \| good
2025-10-25T11:00:00.000Z	52 \| moderate	9.799 \| good	43.97 \| good	1.665 \| good	1.914 \| good	13.063 \| good	0.181 \| good
2025-10-25T12:00:00.000Z	52 \| moderate	9.94 \| good	44.002 \| good	1.279 \| good	2.038 \| good	13.834 \| good	0.184 \| good
2025-10-25T13:00:00.000Z	49 \| good	9.012 \| good	40.946 \| good	5.433 \| good	2.094 \| good	11.795 \| good	0.182 \| good
2025-10-25T14:00:00.000Z	44 \| good	7.818 \| good	34.007 \| good	11.979 \| good	2.151 \| good	9.756 \| good	0.181 \| good
2025-10-25T15:00:00.000Z	38 \| good	6.807 \| good	29.997 \| good	18.629 \| good	2.207 \| good	7.717 \| good	0.179 \| good
2025-10-25T16:00:00.000Z	38 \| good	6.617 \| good	29.973 \| good	20.206 \| good	1.93 \| good	6.128 \| good	0.165 \| good
2025-10-25T17:00:00.000Z	44 \| good	7.583 \| good	32.994 \| good	18.811 \| good	1.654 \| good	4.538 \| good	0.151 \| good
2025-10-25T18:00:00.000Z	44 \| good	8.46 \| good	36.967 \| good	18.642 \| good	1.378 \| good	2.949 \| good	0.137 \| good
2025-10-25T19:00:00.000Z	49 \| good	8.535 \| good	36.99 \| good	19.968 \| good	1.301 \| good	2.953 \| good	0.137 \| good
2025-10-25T20:00:00.000Z	49 \| good	8.771 \| good	38.008 \| good	21.664 \| good	1.225 \| good	2.956 \| good	0.137 \| good
2025-10-25T21:00:00.000Z	49 \| good	9.116 \| good	40.939 \| good	23.373 \| good	1.148 \| good	2.96 \| good	0.136 \| good
2025-10-25T22:00:00.000Z	38 \| good	7.34 \| good	32.023 \| good	26.541 \| good	1.066 \| good	4.331 \| good	0.147 \| good
2025-10-25T23:00:00.000Z	27 \| good	4.681 \| good	20.018 \| good	27.509 \| good	0.983 \| good	5.703 \| good	0.158 \| good
2025-10-26T00:00:00.000Z	27 \| good	5.282 \| good	22.984 \| good	28.133 \| good	0.901 \| good	7.074 \| good	0.168 \| good
2025-10-26T01:00:00.000Z	26 \| good	4.353 \| good	19.008 \| good	28.231 \| good	0.857 \| good	6.788 \| good	0.166 \| good
2025-10-26T02:00:00.000Z	33 \| good	5.646 \| good	24.017 \| good	27.824 \| good	0.813 \| good	6.502 \| good	0.163 \| good
2025-10-26T03:00:00.000Z	33 \| good	6.192 \| good	27.035 \| good	26.423 \| good	0.769 \| good	6.216 \| good	0.16 \| good
2025-10-26T04:00:00.000Z	27 \| good	4.968 \| good	21.065 \| good	28.201 \| good	0.785 \| good	5.94 \| good	0.159 \| good
2025-10-26T05:00:00.000Z	44 \| good	7.858 \| good	34.03 \| good	28.576 \| good	0.802 \| good	5.664 \| good	0.158 \| good
2025-10-26T06:00:00.000Z	52 \| moderate	10.117 \| good	44.993 \| good	26.655 \| good	0.818 \| good	5.389 \| good	0.157 \| good
2025-10-26T07:00:00.000Z	58 \| moderate	12.754 \| fine	57.024 \| fine	22.818 \| good	0.872 \| good	5.288 \| good	0.158 \| good
2025-10-26T08:00:00.000Z	58 \| moderate	12.715 \| fine	56.971 \| fine	21.073 \| good	0.926 \| good	5.186 \| good	0.159 \| good
2025-10-26T09:00:00.000Z	54 \| moderate	10.826 \| good	48.026 \| good	19.592 \| good	0.98 \| good	5.085 \| good	0.16 \| good
2025-10-26T10:00:00.000Z	58 \| moderate	12.69 \| fine	57.003 \| fine	19.857 \| good	1.135 \| good	5.857 \| good	0.168 \| good
2025-10-26T11:00:00.000Z	56 \| moderate	11.574 \| good	51.003 \| good	18.457 \| good	1.29 \| good	6.629 \| good	0.176 \| good
2025-10-26T12:00:00.000Z	49 \| good	9.496 \| good	42.046 \| good	18.441 \| good	1.444 \| good	7.4 \| good	0.184 \| good
2025-10-26T13:00:00.000Z	44 \| good	8.498 \| good	37.009 \| good	18.02 \| good	1.896 \| good	7.167 \| good	0.192 \| good
2025-10-26T14:00:00.000Z	52 \| moderate	9.577 \| good	42.963 \| good	22.156 \| good	2.347 \| good	6.933 \| good	0.2 \| good
2025-10-26T15:00:00.000Z	52 \| moderate	9.999 \| good	44.957 \| good	27.208 \| good	2.798 \| good	6.699 \| good	0.208 \| good
2025-10-26T16:00:00.000Z	54 \| moderate	10.598 \| good	46.984 \| good	29.878 \| good	2.87 \| good	5.722 \| good	0.195 \| good
2025-10-26T17:00:00.000Z	52 \| moderate	9.859 \| good	43.981 \| good	33.481 \| good	2.941 \| good	4.746 \| good	0.182 \| good
2025-10-26T18:00:00.000Z	52 \| moderate	9.651 \| good	42.999 \| good	35.552 \| good	3.013 \| good	3.769 \| good	0.169 \| good
2025-10-26T19:00:00.000Z	52 \| moderate	9.878 \| good	43.993 \| good	36.63 \| good	2.452 \| good	3.435 \| good	0.164 \| good
2025-10-26T20:00:00.000Z	52 \| moderate	10.158 \| good	45 \| good	38.163 \| good	1.892 \| good	3.1 \| good	0.159 \| good

Current air quality index in Grayslake, Illinois today

Common air pollutants in Grayslake, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Real-time air quality map: Monitor AQI near Grayslake, Illinois

Air quality in nearby cities

Round Lake, Illinois

Round Lake Beach, Illinois

Gages Lake, Illinois

Lindenhurst, Illinois

Mundelein, Illinois

Libertyville, Illinois

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Frequently asked questions

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What is the PM2.5 concentration in Grayslake, Illinois right now?

What is the current level of PM10 in Grayslake, Illinois?

What is the current level of carbon monoxide (CO) in Grayslake, Illinois?

What is the current level of sulfur dioxide (SO2) in Grayslake, Illinois?

What is the current level of ozone (O3) in Grayslake, Illinois?

What is the current level of nitrogen dioxide (NO2) in Grayslake, Illinois?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 concentration in Grayslake, Illinois right now?

What is the current level of PM₁₀ in Grayslake, Illinois?

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What is the current level of ozone (O₃) in Grayslake, Illinois?

What is the current level of nitrogen dioxide (NO₂) in Grayslake, Illinois?