What is the PM10 level in Dekalb, Illinois at the moment?

The PM10 concentration in Dekalb, Illinois is 26.199 μg/m3 at the moment.

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

Currently, Dekalb, Illinois has a sulfur dioxide (SO2) concentration of 0.731 ppb.

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

The current ozone (O3) level in Dekalb, Illinois at the moment is 42.093 ppm.

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

Nitrogen dioxide (NO2) level in Dekalb, Illinois at the moment is 2.152 ppb.

Live air quality index in DeKalb, Illinois today

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

PM2.5 levels in Dekalb, Illinois are currently 6.108 μg/m3.

Stay updated with real-time air quality in DeKalb, 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)

Good

DeKalb, Illinois

Last updated: ... (Local time)

Major air pollutants in DeKalb, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

6.11 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

26.20 μg/m³

155

255

425

605+

Ozone (O₃)

42.09 ppb

201

201+

Sulfur Dioxide (SO₂)

0.73 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.15 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.12 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

DeKalb, Illinois

Get Live Pollen Counts

DeKalb, Illinois

Scroll To Air Quality Map

Track live DeKalb, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-22T00:00:00.000Z	52 \| moderate	9.519 \| good	41.266 \| good	40.917 \| good	1.827 \| good	2.2 \| good	0.185 \| good
2026-07-22T01:00:00.000Z	49 \| good	8.555 \| good	48.528 \| good	41.451 \| good	0.95 \| good	3.038 \| good	0.185 \| good
2026-07-22T02:00:00.000Z	36 \| good	6.262 \| good	32.327 \| good	39.343 \| good	0.654 \| good	2.81 \| good	0.185 \| good
2026-07-22T03:00:00.000Z	44 \| good	7.723 \| good	42.378 \| good	30.221 \| good	0.507 \| good	2.868 \| good	0.147 \| good
2026-07-22T04:00:00.000Z	29 \| good	4.214 \| good	25.05 \| good	30.993 \| good	0.547 \| good	3.072 \| good	0.147 \| good
2026-07-22T05:00:00.000Z	23 \| good	4.387 \| good	19.84 \| good	24.786 \| good	0.502 \| good	3.01 \| good	0.147 \| good
2026-07-22T06:00:00.000Z	27 \| good	4.687 \| good	17.864 \| good	23.851 \| good	0.286 \| good	2.921 \| good	0.165 \| good
2026-07-22T07:00:00.000Z	22 \| good	3.722 \| good	16.627 \| good	23.77 \| good	0.379 \| good	2.926 \| good	0.165 \| good
2026-07-22T08:00:00.000Z	22 \| good	3.181 \| good	14.166 \| good	23.613 \| good	0.486 \| good	3.607 \| good	0.165 \| good
2026-07-22T09:00:00.000Z	21 \| good	2.803 \| good	10.525 \| good	23.393 \| good	0.693 \| good	3.209 \| good	0.185 \| good
2026-07-22T10:00:00.000Z	20 \| good	2.381 \| good	8.869 \| good	21.805 \| good	0.477 \| good	4.493 \| good	0.178 \| good
2026-07-22T11:00:00.000Z	18 \| good	2.372 \| good	8.183 \| good	18.997 \| good	0.594 \| good	6.151 \| good	0.21 \| good
2026-07-22T12:00:00.000Z	21 \| good	2.896 \| good	11.535 \| good	23.068 \| good	0.613 \| good	7.75 \| good	0.219 \| good
2026-07-22T13:00:00.000Z	20 \| good	2.755 \| good	13.743 \| good	21.839 \| good	0.415 \| good	8.446 \| good	0.219 \| good
2026-07-22T14:00:00.000Z	21 \| good	2.609 \| good	11.017 \| good	23.114 \| good	0.445 \| good	7.233 \| good	0.175 \| good
2026-07-22T15:00:00.000Z	27 \| good	3.079 \| good	12.827 \| good	28.898 \| good	0.66 \| good	3.026 \| good	0.155 \| good
2026-07-22T16:00:00.000Z	25 \| good	3.079 \| good	12.426 \| good	27.311 \| good	0.69 \| good	2.706 \| good	0.156 \| good
2026-07-22T17:00:00.000Z	28 \| good	3.113 \| good	14.806 \| good	30.453 \| good	1.568 \| good	1.575 \| good	0.156 \| good
2026-07-22T18:00:00.000Z	31 \| good	3.616 \| good	16.709 \| good	33.764 \| good	2.188 \| good	1.575 \| good	0.156 \| good
2026-07-22T19:00:00.000Z	33 \| good	3.956 \| good	17.673 \| good	35.872 \| good	1.136 \| good	1.596 \| good	0.156 \| good
2026-07-22T20:00:00.000Z	32 \| good	3.467 \| good	15.85 \| good	34.978 \| good	1.136 \| good	1.492 \| good	0.124 \| good
2026-07-22T21:00:00.000Z	34 \| good	4.022 \| good	17.159 \| good	37.152 \| good	1.485 \| good	1.885 \| good	0.139 \| good
2026-07-22T22:00:00.000Z	35 \| good	4.518 \| good	19.187 \| good	38.23 \| good	1.967 \| good	1.299 \| good	0.111 \| good
2026-07-22T23:00:00.000Z	35 \| good	4.755 \| good	24.986 \| good	37.928 \| good	0.494 \| good	1.141 \| good	0.111 \| good
2026-07-23T00:00:00.000Z	35 \| good	3.777 \| good	16.547 \| good	38.314 \| good	0.714 \| good	1.391 \| good	0.139 \| good
2026-07-23T01:00:00.000Z	37 \| good	4.376 \| good	18.339 \| good	40.247 \| good	1.07 \| good	4.406 \| good	0.139 \| good
2026-07-23T02:00:00.000Z	34 \| good	4.299 \| good	21.073 \| good	36.547 \| good	0.88 \| good	4.177 \| good	0.158 \| good
2026-07-23T03:00:00.000Z	28 \| good	3.967 \| good	17.534 \| good	30.382 \| good	0.328 \| good	8.543 \| good	0.154 \| good
2026-07-23T04:00:00.000Z	33 \| good	5.505 \| good	25.048 \| good	34.923 \| good	0.465 \| good	9.109 \| good	0.205 \| good
2026-07-23T05:00:00.000Z	38 \| good	6.545 \| good	29.048 \| good	30.666 \| good	0.56 \| good	9.57 \| good	0.196 \| good
2026-07-23T06:00:00.000Z	33 \| good	5.59 \| good	16.731 \| good	28.046 \| good	0.717 \| good	13.19 \| good	0.158 \| good
2026-07-23T07:00:00.000Z	38 \| good	6.713 \| good	29.511 \| good	22.036 \| good	0.708 \| good	13.499 \| good	0.158 \| good
2026-07-23T08:00:00.000Z	44 \| good	7.968 \| good	35.384 \| good	15.783 \| good	0.743 \| good	14.398 \| good	0.158 \| good
2026-07-23T09:00:00.000Z	44 \| good	8.324 \| good	31.891 \| good	18.135 \| good	0.808 \| good	12.839 \| good	0.158 \| good
2026-07-23T10:00:00.000Z	38 \| good	7.465 \| good	30.303 \| good	17.853 \| good	0.897 \| good	11.863 \| good	0.185 \| good
2026-07-23T11:00:00.000Z	38 \| good	7.227 \| good	35.994 \| good	13.951 \| good	1.04 \| good	11.851 \| good	0.196 \| good
2026-07-23T12:00:00.000Z	49 \| good	8.71 \| good	43.18 \| good	15.16 \| good	1.154 \| good	16.058 \| good	0.246 \| good
2026-07-23T13:00:00.000Z	49 \| good	9.032 \| good	38.633 \| good	13.502 \| good	1.254 \| good	12.472 \| good	0.246 \| good
2026-07-23T14:00:00.000Z	33 \| good	6.463 \| good	22.623 \| good	11.336 \| good	1.763 \| good	11.951 \| good	0.259 \| good
2026-07-23T15:00:00.000Z	33 \| good	6.374 \| good	33.101 \| good	18.978 \| good	1.804 \| good	10.021 \| good	0.235 \| good
2026-07-23T16:00:00.000Z	33 \| good	5.936 \| good	22.764 \| good	24.513 \| good	2.33 \| good	5.874 \| good	0.153 \| good
2026-07-23T17:00:00.000Z	33 \| good	6.074 \| good	28.862 \| good	29.611 \| good	1.823 \| good	4.352 \| good	0.127 \| good
2026-07-23T18:00:00.000Z	33 \| good	6.1 \| good	29.835 \| good	35.143 \| good	1.659 \| good	5.035 \| good	0.172 \| good
2026-07-23T19:00:00.000Z	37 \| good	6.405 \| good	32.175 \| good	39.81 \| good	1.732 \| good	6.122 \| good	0.145 \| good
2026-07-23T20:00:00.000Z	39 \| good	6.306 \| good	30.044 \| good	41.96 \| good	1.114 \| good	4.464 \| good	0.145 \| good
2026-07-23T21:00:00.000Z	42 \| good	6.262 \| good	27.576 \| good	44.578 \| good	1.468 \| good	4.357 \| good	0.145 \| good
2026-07-23T22:00:00.000Z	39 \| good	6.108 \| good	26.199 \| good	42.093 \| good	0.731 \| good	2.152 \| good	0.123 \| good
2026-07-23T23:00:00.000Z	40 \| good	7.039 \| good	17.455 \| good	42.843 \| good	0.626 \| good	2.161 \| good	0.145 \| good
2026-07-23T23:00:00.000Z	39 \| good	6.108 \| good	26.199 \| good	42.093 \| good	0.731 \| good	2.152 \| good	0.123 \| good
2026-07-24T00:00:00.000Z	36 \| good	2.188 \| good	8.918 \| good	38.885 \| good	0.474 \| good	2.28 \| good	0.124 \| good
2026-07-24T01:00:00.000Z	37 \| good	3.082 \| good	12.759 \| good	39.715 \| good	0.442 \| good	5.571 \| good	0.145 \| good
2026-07-24T02:00:00.000Z	36 \| good	3.777 \| good	16.52 \| good	38.802 \| good	0.435 \| good	9.459 \| good	0.167 \| good
2026-07-24T03:00:00.000Z	35 \| good	4.927 \| good	21.38 \| good	37.849 \| good	0.449 \| good	11.814 \| good	0.179 \| good
2026-07-24T04:00:00.000Z	34 \| good	4.849 \| good	20.922 \| good	36.88 \| good	0.472 \| good	13.781 \| good	0.19 \| good
2026-07-24T05:00:00.000Z	31 \| good	4.579 \| good	20.043 \| good	34.364 \| good	0.496 \| good	16.012 \| good	0.204 \| good
2026-07-24T06:00:00.000Z	30 \| good	4.269 \| good	18.368 \| good	31.585 \| good	0.507 \| good	18.169 \| good	0.217 \| good
2026-07-24T07:00:00.000Z	27 \| good	5.326 \| good	23.064 \| good	29.376 \| good	0.53 \| good	20.2 \| good	0.226 \| good
2026-07-24T08:00:00.000Z	27 \| good	5.128 \| good	22.138 \| good	26.734 \| good	0.548 \| good	22.337 \| good	0.236 \| good
2026-07-24T09:00:00.000Z	24 \| good	3.864 \| good	17.175 \| good	23.31 \| good	0.547 \| good	24.872 \| good	0.252 \| good
2026-07-24T10:00:00.000Z	25 \| good	3.238 \| good	13.902 \| good	19.387 \| good	0.553 \| good	27.305 \| good	0.269 \| good
2026-07-24T11:00:00.000Z	24 \| good	2.172 \| good	8.597 \| good	18.184 \| good	0.567 \| good	25.207 \| good	0.286 \| good
2026-07-24T12:00:00.000Z	20 \| good	1.983 \| good	8.122 \| good	15.802 \| good	0.57 \| good	21.053 \| good	0.291 \| good
2026-07-24T13:00:00.000Z	21 \| good	0.452 \| good	1.63 \| good	23.232 \| good	0.697 \| good	15.131 \| good	0.237 \| good
2026-07-24T14:00:00.000Z	28 \| good	1.325 \| good	5.351 \| good	29.868 \| good	1.117 \| good	8.47 \| good	0.182 \| good
2026-07-24T15:00:00.000Z	31 \| good	1.363 \| good	5 \| good	32.797 \| good	1.342 \| good	4.613 \| good	0.153 \| good
2026-07-24T16:00:00.000Z	31 \| good	1.282 \| good	5 \| good	34.492 \| good	1.109 \| good	2.467 \| good	0.137 \| good
2026-07-24T17:00:00.000Z	32 \| good	1.245 \| good	5 \| good	34.898 \| good	0.723 \| good	1.233 \| good	0.129 \| good
2026-07-24T18:00:00.000Z	32 \| good	1.212 \| good	5 \| good	35.397 \| good	0.557 \| good	0.785 \| good	0.129 \| good
2026-07-24T19:00:00.000Z	34 \| good	1.174 \| good	5 \| good	37.172 \| good	0.468 \| good	0.643 \| good	0.13 \| good
2026-07-24T20:00:00.000Z	35 \| good	1.174 \| good	5 \| good	37.983 \| good	0.392 \| good	0.599 \| good	0.132 \| good
2026-07-24T21:00:00.000Z	37 \| good	1.203 \| good	5 \| good	39.87 \| good	0.324 \| good	0.611 \| good	0.135 \| good
2026-07-24T22:00:00.000Z	38 \| good	1.257 \| good	5 \| good	41.074 \| good	0.274 \| good	0.677 \| good	0.138 \| good
2026-07-24T23:00:00.000Z	36 \| good	1.358 \| good	5 \| good	38.94 \| good	0.247 \| good	0.857 \| good	0.142 \| good
2026-07-25T00:00:00.000Z	33 \| good	1.459 \| good	6 \| good	35.989 \| good	0.246 \| good	1.39 \| good	0.148 \| good
2026-07-25T01:00:00.000Z	33 \| good	1.524 \| good	6 \| good	36.106 \| good	0.254 \| good	3.154 \| good	0.159 \| good
2026-07-25T02:00:00.000Z	33 \| good	1.641 \| good	7 \| good	35.765 \| good	0.293 \| good	5.031 \| good	0.17 \| good
2026-07-25T03:00:00.000Z	31 \| good	1.84 \| good	7.947 \| good	34.339 \| good	0.346 \| good	5.617 \| good	0.175 \| good
2026-07-25T04:00:00.000Z	31 \| good	0.802 \| good	3.251 \| good	33.321 \| good	0.424 \| good	5.514 \| good	0.176 \| good
2026-07-25T05:00:00.000Z	29 \| good	1.184 \| good	4.713 \| good	31.424 \| good	0.509 \| good	5.461 \| good	0.178 \| good
2026-07-25T06:00:00.000Z	27 \| good	1.803 \| good	7.559 \| good	29.338 \| good	0.56 \| good	5.845 \| good	0.181 \| good
2026-07-25T07:00:00.000Z	24 \| good	1.922 \| good	8 \| good	26.395 \| good	0.585 \| good	6.963 \| good	0.186 \| good
2026-07-25T08:00:00.000Z	21 \| good	1.927 \| good	8 \| good	23.17 \| good	0.609 \| good	8.33 \| good	0.192 \| good
2026-07-25T09:00:00.000Z	19 \| good	2.013 \| good	8.283 \| good	20.143 \| good	0.626 \| good	9.039 \| good	0.196 \| good
2026-07-25T10:00:00.000Z	15 \| good	1.683 \| good	7.258 \| good	16.32 \| good	0.647 \| good	8.906 \| good	0.197 \| good
2026-07-25T11:00:00.000Z	15 \| good	1.672 \| good	7.142 \| good	15.558 \| good	0.668 \| good	8.54 \| good	0.197 \| good
2026-07-25T12:00:00.000Z	15 \| good	1.965 \| good	8.128 \| good	15.696 \| good	0.627 \| good	8.734 \| good	0.202 \| good
2026-07-25T13:00:00.000Z	16 \| good	3.023 \| good	12.286 \| good	16.336 \| good	0.67 \| good	7.234 \| good	0.199 \| good
2026-07-25T14:00:00.000Z	33 \| good	5.925 \| good	26.703 \| good	20.258 \| good	0.683 \| good	5.728 \| good	0.196 \| good
2026-07-25T15:00:00.000Z	49 \| good	9.392 \| good	42.129 \| good	27.764 \| good	0.677 \| good	4.255 \| good	0.193 \| good
2026-07-25T16:00:00.000Z	38 \| good	6.857 \| good	30.408 \| good	30.581 \| good	0.676 \| good	2.919 \| good	0.191 \| good
2026-07-25T17:00:00.000Z	30 \| good	4.425 \| good	19.355 \| good	32.233 \| good	0.711 \| good	1.508 \| good	0.189 \| good
2026-07-25T18:00:00.000Z	31 \| good	4.93 \| good	21.475 \| good	33.765 \| good	0.692 \| good	0.825 \| good	0.189 \| good
2026-07-25T19:00:00.000Z	34 \| good	5.27 \| good	22.45 \| good	37.389 \| good	0.633 \| good	0.802 \| good	0.189 \| good
2026-07-25T20:00:00.000Z	36 \| good	4.806 \| good	20.755 \| good	38.521 \| good	0.582 \| good	0.93 \| good	0.191 \| good
2026-07-25T21:00:00.000Z	35 \| good	4.617 \| good	20.241 \| good	38.243 \| good	0.547 \| good	1.083 \| good	0.193 \| good
2026-07-25T22:00:00.000Z	33 \| good	4.815 \| good	20.715 \| good	36.002 \| good	0.523 \| good	1.223 \| good	0.196 \| good
2026-07-25T23:00:00.000Z	33 \| good	5.789 \| good	25.431 \| good	35.087 \| good	0.496 \| good	1.354 \| good	0.198 \| good

DeKalb

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

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How accurate is Illinois, USA air quality data?

Air quality and pollutant data for Illinois, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

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Frequently asked questions

How often is air quality information updated for Dekalb, Illinois?

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

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

In the past 24 hours, the air quality in Dekalb, Illinois was at its worst at 01:00:00 on 2026-07-23.

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

In the last 24 hours, the best air quality in Dekalb, Illinois was observed at 03:00:00 on 2026-07-23.

What is the AQI in Dekalb, Illinois right now?

As of now, the AQI in Dekalb, Illinois is 39, indicating Good conditions.

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

Dekalb, Illinois air has the highest levels of O3.

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

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

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

PM_2.5 levels in Dekalb, Illinois are currently 6.108 μg/m³.

What is the PM₁₀ level in Dekalb, Illinois at the moment?

The PM₁₀ concentration in Dekalb, Illinois is 26.199 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Dekalb, Illinois is 0.123 ppm.

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

Currently, Dekalb, Illinois has a sulfur dioxide (SO₂) concentration of 0.731 ppb.

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

The current ozone (O₃) level in Dekalb, Illinois at the moment is 42.093 ppm.

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

Nitrogen dioxide (NO₂) level in Dekalb, Illinois at the moment is 2.152 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-22T00:00:00.000Z	52 \| moderate	9.519 \| good	41.266 \| good	40.917 \| good	1.827 \| good	2.2 \| good	0.185 \| good
2026-07-22T01:00:00.000Z	49 \| good	8.555 \| good	48.528 \| good	41.451 \| good	0.95 \| good	3.038 \| good	0.185 \| good
2026-07-22T02:00:00.000Z	36 \| good	6.262 \| good	32.327 \| good	39.343 \| good	0.654 \| good	2.81 \| good	0.185 \| good
2026-07-22T03:00:00.000Z	44 \| good	7.723 \| good	42.378 \| good	30.221 \| good	0.507 \| good	2.868 \| good	0.147 \| good
2026-07-22T04:00:00.000Z	29 \| good	4.214 \| good	25.05 \| good	30.993 \| good	0.547 \| good	3.072 \| good	0.147 \| good
2026-07-22T05:00:00.000Z	23 \| good	4.387 \| good	19.84 \| good	24.786 \| good	0.502 \| good	3.01 \| good	0.147 \| good
2026-07-22T06:00:00.000Z	27 \| good	4.687 \| good	17.864 \| good	23.851 \| good	0.286 \| good	2.921 \| good	0.165 \| good
2026-07-22T07:00:00.000Z	22 \| good	3.722 \| good	16.627 \| good	23.77 \| good	0.379 \| good	2.926 \| good	0.165 \| good
2026-07-22T08:00:00.000Z	22 \| good	3.181 \| good	14.166 \| good	23.613 \| good	0.486 \| good	3.607 \| good	0.165 \| good
2026-07-22T09:00:00.000Z	21 \| good	2.803 \| good	10.525 \| good	23.393 \| good	0.693 \| good	3.209 \| good	0.185 \| good
2026-07-22T10:00:00.000Z	20 \| good	2.381 \| good	8.869 \| good	21.805 \| good	0.477 \| good	4.493 \| good	0.178 \| good
2026-07-22T11:00:00.000Z	18 \| good	2.372 \| good	8.183 \| good	18.997 \| good	0.594 \| good	6.151 \| good	0.21 \| good
2026-07-22T12:00:00.000Z	21 \| good	2.896 \| good	11.535 \| good	23.068 \| good	0.613 \| good	7.75 \| good	0.219 \| good
2026-07-22T13:00:00.000Z	20 \| good	2.755 \| good	13.743 \| good	21.839 \| good	0.415 \| good	8.446 \| good	0.219 \| good
2026-07-22T14:00:00.000Z	21 \| good	2.609 \| good	11.017 \| good	23.114 \| good	0.445 \| good	7.233 \| good	0.175 \| good
2026-07-22T15:00:00.000Z	27 \| good	3.079 \| good	12.827 \| good	28.898 \| good	0.66 \| good	3.026 \| good	0.155 \| good
2026-07-22T16:00:00.000Z	25 \| good	3.079 \| good	12.426 \| good	27.311 \| good	0.69 \| good	2.706 \| good	0.156 \| good
2026-07-22T17:00:00.000Z	28 \| good	3.113 \| good	14.806 \| good	30.453 \| good	1.568 \| good	1.575 \| good	0.156 \| good
2026-07-22T18:00:00.000Z	31 \| good	3.616 \| good	16.709 \| good	33.764 \| good	2.188 \| good	1.575 \| good	0.156 \| good
2026-07-22T19:00:00.000Z	33 \| good	3.956 \| good	17.673 \| good	35.872 \| good	1.136 \| good	1.596 \| good	0.156 \| good
2026-07-22T20:00:00.000Z	32 \| good	3.467 \| good	15.85 \| good	34.978 \| good	1.136 \| good	1.492 \| good	0.124 \| good
2026-07-22T21:00:00.000Z	34 \| good	4.022 \| good	17.159 \| good	37.152 \| good	1.485 \| good	1.885 \| good	0.139 \| good
2026-07-22T22:00:00.000Z	35 \| good	4.518 \| good	19.187 \| good	38.23 \| good	1.967 \| good	1.299 \| good	0.111 \| good
2026-07-22T23:00:00.000Z	35 \| good	4.755 \| good	24.986 \| good	37.928 \| good	0.494 \| good	1.141 \| good	0.111 \| good
2026-07-23T00:00:00.000Z	35 \| good	3.777 \| good	16.547 \| good	38.314 \| good	0.714 \| good	1.391 \| good	0.139 \| good
2026-07-23T01:00:00.000Z	37 \| good	4.376 \| good	18.339 \| good	40.247 \| good	1.07 \| good	4.406 \| good	0.139 \| good
2026-07-23T02:00:00.000Z	34 \| good	4.299 \| good	21.073 \| good	36.547 \| good	0.88 \| good	4.177 \| good	0.158 \| good
2026-07-23T03:00:00.000Z	28 \| good	3.967 \| good	17.534 \| good	30.382 \| good	0.328 \| good	8.543 \| good	0.154 \| good
2026-07-23T04:00:00.000Z	33 \| good	5.505 \| good	25.048 \| good	34.923 \| good	0.465 \| good	9.109 \| good	0.205 \| good
2026-07-23T05:00:00.000Z	38 \| good	6.545 \| good	29.048 \| good	30.666 \| good	0.56 \| good	9.57 \| good	0.196 \| good
2026-07-23T06:00:00.000Z	33 \| good	5.59 \| good	16.731 \| good	28.046 \| good	0.717 \| good	13.19 \| good	0.158 \| good
2026-07-23T07:00:00.000Z	38 \| good	6.713 \| good	29.511 \| good	22.036 \| good	0.708 \| good	13.499 \| good	0.158 \| good
2026-07-23T08:00:00.000Z	44 \| good	7.968 \| good	35.384 \| good	15.783 \| good	0.743 \| good	14.398 \| good	0.158 \| good
2026-07-23T09:00:00.000Z	44 \| good	8.324 \| good	31.891 \| good	18.135 \| good	0.808 \| good	12.839 \| good	0.158 \| good
2026-07-23T10:00:00.000Z	38 \| good	7.465 \| good	30.303 \| good	17.853 \| good	0.897 \| good	11.863 \| good	0.185 \| good
2026-07-23T11:00:00.000Z	38 \| good	7.227 \| good	35.994 \| good	13.951 \| good	1.04 \| good	11.851 \| good	0.196 \| good
2026-07-23T12:00:00.000Z	49 \| good	8.71 \| good	43.18 \| good	15.16 \| good	1.154 \| good	16.058 \| good	0.246 \| good
2026-07-23T13:00:00.000Z	49 \| good	9.032 \| good	38.633 \| good	13.502 \| good	1.254 \| good	12.472 \| good	0.246 \| good
2026-07-23T14:00:00.000Z	33 \| good	6.463 \| good	22.623 \| good	11.336 \| good	1.763 \| good	11.951 \| good	0.259 \| good
2026-07-23T15:00:00.000Z	33 \| good	6.374 \| good	33.101 \| good	18.978 \| good	1.804 \| good	10.021 \| good	0.235 \| good
2026-07-23T16:00:00.000Z	33 \| good	5.936 \| good	22.764 \| good	24.513 \| good	2.33 \| good	5.874 \| good	0.153 \| good
2026-07-23T17:00:00.000Z	33 \| good	6.074 \| good	28.862 \| good	29.611 \| good	1.823 \| good	4.352 \| good	0.127 \| good
2026-07-23T18:00:00.000Z	33 \| good	6.1 \| good	29.835 \| good	35.143 \| good	1.659 \| good	5.035 \| good	0.172 \| good
2026-07-23T19:00:00.000Z	37 \| good	6.405 \| good	32.175 \| good	39.81 \| good	1.732 \| good	6.122 \| good	0.145 \| good
2026-07-23T20:00:00.000Z	39 \| good	6.306 \| good	30.044 \| good	41.96 \| good	1.114 \| good	4.464 \| good	0.145 \| good
2026-07-23T21:00:00.000Z	42 \| good	6.262 \| good	27.576 \| good	44.578 \| good	1.468 \| good	4.357 \| good	0.145 \| good
2026-07-23T22:00:00.000Z	39 \| good	6.108 \| good	26.199 \| good	42.093 \| good	0.731 \| good	2.152 \| good	0.123 \| good
2026-07-23T23:00:00.000Z	40 \| good	7.039 \| good	17.455 \| good	42.843 \| good	0.626 \| good	2.161 \| good	0.145 \| good
2026-07-23T23:00:00.000Z	39 \| good	6.108 \| good	26.199 \| good	42.093 \| good	0.731 \| good	2.152 \| good	0.123 \| good
2026-07-24T00:00:00.000Z	36 \| good	2.188 \| good	8.918 \| good	38.885 \| good	0.474 \| good	2.28 \| good	0.124 \| good
2026-07-24T01:00:00.000Z	37 \| good	3.082 \| good	12.759 \| good	39.715 \| good	0.442 \| good	5.571 \| good	0.145 \| good
2026-07-24T02:00:00.000Z	36 \| good	3.777 \| good	16.52 \| good	38.802 \| good	0.435 \| good	9.459 \| good	0.167 \| good
2026-07-24T03:00:00.000Z	35 \| good	4.927 \| good	21.38 \| good	37.849 \| good	0.449 \| good	11.814 \| good	0.179 \| good
2026-07-24T04:00:00.000Z	34 \| good	4.849 \| good	20.922 \| good	36.88 \| good	0.472 \| good	13.781 \| good	0.19 \| good
2026-07-24T05:00:00.000Z	31 \| good	4.579 \| good	20.043 \| good	34.364 \| good	0.496 \| good	16.012 \| good	0.204 \| good
2026-07-24T06:00:00.000Z	30 \| good	4.269 \| good	18.368 \| good	31.585 \| good	0.507 \| good	18.169 \| good	0.217 \| good
2026-07-24T07:00:00.000Z	27 \| good	5.326 \| good	23.064 \| good	29.376 \| good	0.53 \| good	20.2 \| good	0.226 \| good
2026-07-24T08:00:00.000Z	27 \| good	5.128 \| good	22.138 \| good	26.734 \| good	0.548 \| good	22.337 \| good	0.236 \| good
2026-07-24T09:00:00.000Z	24 \| good	3.864 \| good	17.175 \| good	23.31 \| good	0.547 \| good	24.872 \| good	0.252 \| good
2026-07-24T10:00:00.000Z	25 \| good	3.238 \| good	13.902 \| good	19.387 \| good	0.553 \| good	27.305 \| good	0.269 \| good
2026-07-24T11:00:00.000Z	24 \| good	2.172 \| good	8.597 \| good	18.184 \| good	0.567 \| good	25.207 \| good	0.286 \| good
2026-07-24T12:00:00.000Z	20 \| good	1.983 \| good	8.122 \| good	15.802 \| good	0.57 \| good	21.053 \| good	0.291 \| good
2026-07-24T13:00:00.000Z	21 \| good	0.452 \| good	1.63 \| good	23.232 \| good	0.697 \| good	15.131 \| good	0.237 \| good
2026-07-24T14:00:00.000Z	28 \| good	1.325 \| good	5.351 \| good	29.868 \| good	1.117 \| good	8.47 \| good	0.182 \| good
2026-07-24T15:00:00.000Z	31 \| good	1.363 \| good	5 \| good	32.797 \| good	1.342 \| good	4.613 \| good	0.153 \| good
2026-07-24T16:00:00.000Z	31 \| good	1.282 \| good	5 \| good	34.492 \| good	1.109 \| good	2.467 \| good	0.137 \| good
2026-07-24T17:00:00.000Z	32 \| good	1.245 \| good	5 \| good	34.898 \| good	0.723 \| good	1.233 \| good	0.129 \| good
2026-07-24T18:00:00.000Z	32 \| good	1.212 \| good	5 \| good	35.397 \| good	0.557 \| good	0.785 \| good	0.129 \| good
2026-07-24T19:00:00.000Z	34 \| good	1.174 \| good	5 \| good	37.172 \| good	0.468 \| good	0.643 \| good	0.13 \| good
2026-07-24T20:00:00.000Z	35 \| good	1.174 \| good	5 \| good	37.983 \| good	0.392 \| good	0.599 \| good	0.132 \| good
2026-07-24T21:00:00.000Z	37 \| good	1.203 \| good	5 \| good	39.87 \| good	0.324 \| good	0.611 \| good	0.135 \| good
2026-07-24T22:00:00.000Z	38 \| good	1.257 \| good	5 \| good	41.074 \| good	0.274 \| good	0.677 \| good	0.138 \| good
2026-07-24T23:00:00.000Z	36 \| good	1.358 \| good	5 \| good	38.94 \| good	0.247 \| good	0.857 \| good	0.142 \| good
2026-07-25T00:00:00.000Z	33 \| good	1.459 \| good	6 \| good	35.989 \| good	0.246 \| good	1.39 \| good	0.148 \| good
2026-07-25T01:00:00.000Z	33 \| good	1.524 \| good	6 \| good	36.106 \| good	0.254 \| good	3.154 \| good	0.159 \| good
2026-07-25T02:00:00.000Z	33 \| good	1.641 \| good	7 \| good	35.765 \| good	0.293 \| good	5.031 \| good	0.17 \| good
2026-07-25T03:00:00.000Z	31 \| good	1.84 \| good	7.947 \| good	34.339 \| good	0.346 \| good	5.617 \| good	0.175 \| good
2026-07-25T04:00:00.000Z	31 \| good	0.802 \| good	3.251 \| good	33.321 \| good	0.424 \| good	5.514 \| good	0.176 \| good
2026-07-25T05:00:00.000Z	29 \| good	1.184 \| good	4.713 \| good	31.424 \| good	0.509 \| good	5.461 \| good	0.178 \| good
2026-07-25T06:00:00.000Z	27 \| good	1.803 \| good	7.559 \| good	29.338 \| good	0.56 \| good	5.845 \| good	0.181 \| good
2026-07-25T07:00:00.000Z	24 \| good	1.922 \| good	8 \| good	26.395 \| good	0.585 \| good	6.963 \| good	0.186 \| good
2026-07-25T08:00:00.000Z	21 \| good	1.927 \| good	8 \| good	23.17 \| good	0.609 \| good	8.33 \| good	0.192 \| good
2026-07-25T09:00:00.000Z	19 \| good	2.013 \| good	8.283 \| good	20.143 \| good	0.626 \| good	9.039 \| good	0.196 \| good
2026-07-25T10:00:00.000Z	15 \| good	1.683 \| good	7.258 \| good	16.32 \| good	0.647 \| good	8.906 \| good	0.197 \| good
2026-07-25T11:00:00.000Z	15 \| good	1.672 \| good	7.142 \| good	15.558 \| good	0.668 \| good	8.54 \| good	0.197 \| good
2026-07-25T12:00:00.000Z	15 \| good	1.965 \| good	8.128 \| good	15.696 \| good	0.627 \| good	8.734 \| good	0.202 \| good
2026-07-25T13:00:00.000Z	16 \| good	3.023 \| good	12.286 \| good	16.336 \| good	0.67 \| good	7.234 \| good	0.199 \| good
2026-07-25T14:00:00.000Z	33 \| good	5.925 \| good	26.703 \| good	20.258 \| good	0.683 \| good	5.728 \| good	0.196 \| good
2026-07-25T15:00:00.000Z	49 \| good	9.392 \| good	42.129 \| good	27.764 \| good	0.677 \| good	4.255 \| good	0.193 \| good
2026-07-25T16:00:00.000Z	38 \| good	6.857 \| good	30.408 \| good	30.581 \| good	0.676 \| good	2.919 \| good	0.191 \| good
2026-07-25T17:00:00.000Z	30 \| good	4.425 \| good	19.355 \| good	32.233 \| good	0.711 \| good	1.508 \| good	0.189 \| good
2026-07-25T18:00:00.000Z	31 \| good	4.93 \| good	21.475 \| good	33.765 \| good	0.692 \| good	0.825 \| good	0.189 \| good
2026-07-25T19:00:00.000Z	34 \| good	5.27 \| good	22.45 \| good	37.389 \| good	0.633 \| good	0.802 \| good	0.189 \| good
2026-07-25T20:00:00.000Z	36 \| good	4.806 \| good	20.755 \| good	38.521 \| good	0.582 \| good	0.93 \| good	0.191 \| good
2026-07-25T21:00:00.000Z	35 \| good	4.617 \| good	20.241 \| good	38.243 \| good	0.547 \| good	1.083 \| good	0.193 \| good
2026-07-25T22:00:00.000Z	33 \| good	4.815 \| good	20.715 \| good	36.002 \| good	0.523 \| good	1.223 \| good	0.196 \| good
2026-07-25T23:00:00.000Z	33 \| good	5.789 \| good	25.431 \| good	35.087 \| good	0.496 \| good	1.354 \| good	0.198 \| good

Live air quality index in DeKalb, Illinois today

Major air pollutants in DeKalb, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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DeKalb, Illinois

Sycamore, Illinois

Campton Hills, Illinois

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Geneva, Illinois

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

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

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