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

The PM10 concentration in Dekalb, Illinois is 46.263 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 0.952 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 46.066 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 3.555 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 10.009 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)

Moderate

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)

10.01 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

46.26 μg/m³

155

255

425

605+

Ozone (O₃)

46.07 ppb

201

201+

Sulfur Dioxide (SO₂)

0.95 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.56 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.15 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

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
2026-04-22T06:00:00.000Z	52 \| moderate	10.49 \| good	38.671 \| good	23.663 \| good	0.708 \| good	6.419 \| good	0.269 \| good
2026-04-22T07:00:00.000Z	44 \| good	7.96 \| good	29.66 \| good	27.156 \| good	0.751 \| good	9.305 \| good	0.242 \| good
2026-04-22T08:00:00.000Z	49 \| good	8.7 \| good	30.787 \| good	18.722 \| good	0.533 \| good	8.355 \| good	0.214 \| good
2026-04-22T09:00:00.000Z	49 \| good	9.039 \| good	31.734 \| good	18.676 \| good	0.489 \| good	9.311 \| good	0.231 \| good
2026-04-22T10:00:00.000Z	38 \| good	7.345 \| good	37.539 \| good	19.838 \| good	0.513 \| good	10.451 \| good	0.242 \| good
2026-04-22T11:00:00.000Z	44 \| good	7.944 \| good	31.407 \| good	19.055 \| good	0.442 \| good	13.154 \| good	0.246 \| good
2026-04-22T12:00:00.000Z	38 \| good	6.604 \| good	33.884 \| good	25.284 \| good	0.421 \| good	13.554 \| good	0.257 \| good
2026-04-22T13:00:00.000Z	33 \| good	6.41 \| good	25.487 \| good	29.671 \| good	0.406 \| good	8.85 \| good	0.246 \| good
2026-04-22T14:00:00.000Z	38 \| good	6.701 \| good	30.103 \| good	31.122 \| good	0.34 \| good	8.369 \| good	0.247 \| good
2026-04-22T15:00:00.000Z	38 \| good	7.373 \| good	31.938 \| good	30.905 \| good	0.355 \| good	5.164 \| good	0.185 \| good
2026-04-22T16:00:00.000Z	52 \| moderate	9.895 \| good	41.153 \| good	35.824 \| good	0.416 \| good	5.08 \| good	0.158 \| good
2026-04-22T17:00:00.000Z	54 \| moderate	11.37 \| good	49.734 \| good	40.416 \| good	0.359 \| good	5.139 \| good	0.184 \| good
2026-04-22T18:00:00.000Z	60 \| moderate	14.092 \| fine	53.378 \| good	45.906 \| good	0.362 \| good	5.878 \| good	0.205 \| good
2026-04-22T19:00:00.000Z	56 \| moderate	11.733 \| good	47.872 \| good	42.224 \| good	0.444 \| good	5.058 \| good	0.205 \| good
2026-04-22T20:00:00.000Z	54 \| moderate	10.728 \| good	43.354 \| good	46.466 \| good	1.009 \| good	4.063 \| good	0.185 \| good
2026-04-22T21:00:00.000Z	49 \| good	9.152 \| good	28.697 \| good	50.257 \| good	0.849 \| good	3.562 \| good	0.196 \| good
2026-04-22T22:00:00.000Z	54 \| moderate	9.35 \| good	38.158 \| good	55.577 \| fine	0.508 \| good	3.694 \| good	0.196 \| good
2026-04-22T23:00:00.000Z	56 \| moderate	12.401 \| fine	39.287 \| good	53.411 \| good	0.577 \| good	2.614 \| good	0.196 \| good
2026-04-23T00:00:00.000Z	77 \| moderate	10.523 \| good	41.681 \| good	62.958 \| fine	0.396 \| good	4.487 \| good	0.169 \| good
2026-04-23T01:00:00.000Z	50 \| good	7.303 \| good	32.808 \| good	54.39 \| good	0.982 \| good	3.934 \| good	0.22 \| good
2026-04-23T02:00:00.000Z	49 \| good	8.299 \| good	39.935 \| good	52.911 \| good	0.975 \| good	4.669 \| good	0.2 \| good
2026-04-23T03:00:00.000Z	44 \| good	7.53 \| good	37.549 \| good	45.059 \| good	0.631 \| good	8.483 \| good	0.188 \| good
2026-04-23T04:00:00.000Z	49 \| good	8.502 \| good	42.452 \| good	39.657 \| good	0.573 \| good	12.79 \| good	0.219 \| good
2026-04-23T05:00:00.000Z	58 \| moderate	13.305 \| fine	60.373 \| fine	32.837 \| good	0.362 \| good	9.509 \| good	0.172 \| good
2026-04-23T06:00:00.000Z	54 \| moderate	11.479 \| good	50.537 \| good	30.006 \| good	0.374 \| good	15.183 \| good	0.2 \| good
2026-04-23T07:00:00.000Z	67 \| moderate	18.068 \| fine	69.129 \| fine	37.726 \| good	0.659 \| good	16.32 \| good	0.161 \| good
2026-04-23T08:00:00.000Z	38 \| good	7.115 \| good	27.498 \| good	29.401 \| good	0.841 \| good	21.577 \| good	0.161 \| good
2026-04-23T09:00:00.000Z	44 \| good	7.966 \| good	20.872 \| good	36.774 \| good	1.04 \| good	21.515 \| good	0.161 \| good
2026-04-23T10:00:00.000Z	66 \| moderate	17.197 \| fine	68.384 \| fine	33.236 \| good	1.039 \| good	18.766 \| good	0.177 \| good
2026-04-23T11:00:00.000Z	60 \| moderate	13.97 \| fine	51.327 \| good	26.599 \| good	0.874 \| good	16.499 \| good	0.228 \| good
2026-04-23T12:00:00.000Z	81 \| moderate	24.748 \| fine	91.621 \| fine	24.827 \| good	0.665 \| good	9.335 \| good	0.266 \| good
2026-04-23T13:00:00.000Z	69 \| moderate	18.674 \| fine	85.545 \| fine	29.269 \| good	0.611 \| good	9.147 \| good	0.255 \| good
2026-04-23T14:00:00.000Z	66 \| moderate	16.565 \| fine	85.816 \| fine	19.691 \| good	0.613 \| good	11.507 \| good	0.247 \| good
2026-04-23T15:00:00.000Z	58 \| moderate	12.526 \| fine	60.412 \| fine	19.668 \| good	0.62 \| good	6.151 \| good	0.219 \| good
2026-04-23T16:00:00.000Z	44 \| good	7.947 \| good	35.753 \| good	30.499 \| good	0.614 \| good	5.243 \| good	0.192 \| good
2026-04-23T17:00:00.000Z	38 \| good	7.498 \| good	33.084 \| good	34.453 \| good	0.628 \| good	2.33 \| good	0.219 \| good
2026-04-23T18:00:00.000Z	33 \| good	6.208 \| good	21.733 \| good	35.664 \| good	0.669 \| good	1.204 \| good	0.15 \| good
2026-04-23T19:00:00.000Z	39 \| good	5.904 \| good	20.453 \| good	42.14 \| good	0.518 \| good	1.039 \| good	0.162 \| good
2026-04-23T20:00:00.000Z	40 \| good	6.487 \| good	28.876 \| good	43.01 \| good	0.599 \| good	3.936 \| good	0.158 \| good
2026-04-23T21:00:00.000Z	43 \| good	6.19 \| good	21.949 \| good	46.167 \| good	1.207 \| good	3.49 \| good	0.158 \| good
2026-04-23T22:00:00.000Z	46 \| good	6.178 \| good	28.396 \| good	50.035 \| good	0.988 \| good	1.239 \| good	0.158 \| good
2026-04-23T23:00:00.000Z	49 \| good	9.161 \| good	39.911 \| good	48.419 \| good	1.001 \| good	1.631 \| good	0.139 \| good
2026-04-24T00:00:00.000Z	49 \| good	9.2 \| good	38.167 \| good	50.887 \| good	1.017 \| good	1.389 \| good	0.158 \| good
2026-04-24T01:00:00.000Z	52 \| moderate	9.907 \| good	42.746 \| good	49.213 \| good	1.107 \| good	2.29 \| good	0.169 \| good
2026-04-24T02:00:00.000Z	52 \| moderate	9.628 \| good	43.078 \| good	47.403 \| good	1.076 \| good	4.125 \| good	0.219 \| good
2026-04-24T03:00:00.000Z	39 \| good	5.826 \| good	25.494 \| good	42.154 \| good	0.313 \| good	2.324 \| good	0.158 \| good
2026-04-24T04:00:00.000Z	52 \| moderate	10.093 \| good	50.814 \| good	47.85 \| good	0.979 \| good	4.82 \| good	0.15 \| good
2026-04-24T05:00:00.000Z	52 \| moderate	10.009 \| good	46.263 \| good	46.066 \| good	0.952 \| good	3.555 \| good	0.15 \| good
2026-04-24T05:00:00.000Z	52 \| moderate	10.009 \| good	46.263 \| good	46.066 \| good	0.952 \| good	3.555 \| good	0.15 \| good
2026-04-24T06:00:00.000Z	37 \| good	5.464 \| good	23.13 \| good	40.306 \| good	0.343 \| good	1.697 \| good	0.15 \| good
2026-04-24T07:00:00.000Z	41 \| good	4.408 \| good	19.079 \| good	43.864 \| good	0.366 \| good	1.691 \| good	0.147 \| good
2026-04-24T08:00:00.000Z	41 \| good	3.323 \| good	14.769 \| good	43.84 \| good	0.389 \| good	1.684 \| good	0.145 \| good
2026-04-24T09:00:00.000Z	40 \| good	2.336 \| good	9.769 \| good	42.843 \| good	0.412 \| good	1.677 \| good	0.142 \| good
2026-04-24T10:00:00.000Z	36 \| good	1.867 \| good	7.815 \| good	39.457 \| good	0.422 \| good	1.775 \| good	0.14 \| good
2026-04-24T11:00:00.000Z	33 \| good	1.985 \| good	8 \| good	36.385 \| good	0.432 \| good	1.873 \| good	0.139 \| good
2026-04-24T12:00:00.000Z	32 \| good	1.295 \| good	5.095 \| good	34.752 \| good	0.441 \| good	1.971 \| good	0.138 \| good
2026-04-24T13:00:00.000Z	38 \| good	2.276 \| good	9.283 \| good	41.297 \| good	0.376 \| good	1.937 \| good	0.137 \| good
2026-04-24T14:00:00.000Z	41 \| good	6.072 \| good	27.019 \| good	43.817 \| good	0.31 \| good	1.903 \| good	0.137 \| good
2026-04-24T15:00:00.000Z	40 \| good	7.227 \| good	31.946 \| good	43.164 \| good	0.245 \| good	1.87 \| good	0.136 \| good
2026-04-24T16:00:00.000Z	44 \| good	7.916 \| good	34.634 \| good	39.868 \| good	0.189 \| good	1.485 \| good	0.137 \| good
2026-04-24T17:00:00.000Z	44 \| good	8.077 \| good	35.333 \| good	38.536 \| good	0.133 \| good	1.101 \| good	0.137 \| good
2026-04-24T18:00:00.000Z	36 \| good	5.844 \| good	25.811 \| good	39.486 \| good	0.077 \| good	0.716 \| good	0.138 \| good
2026-04-24T19:00:00.000Z	39 \| good	4.049 \| good	17.757 \| good	41.848 \| good	0.086 \| good	0.701 \| good	0.14 \| good
2026-04-24T20:00:00.000Z	41 \| good	3.838 \| good	16.769 \| good	44.373 \| good	0.096 \| good	0.686 \| good	0.142 \| good
2026-04-24T21:00:00.000Z	41 \| good	4.285 \| good	18.875 \| good	44.435 \| good	0.106 \| good	0.67 \| good	0.144 \| good
2026-04-24T22:00:00.000Z	42 \| good	4.552 \| good	19.616 \| good	44.797 \| good	0.13 \| good	1.097 \| good	0.149 \| good
2026-04-24T23:00:00.000Z	41 \| good	4.951 \| good	21.59 \| good	44.133 \| good	0.154 \| good	1.524 \| good	0.155 \| good
2026-04-25T00:00:00.000Z	41 \| good	3.496 \| good	15.613 \| good	43.875 \| good	0.178 \| good	1.951 \| good	0.16 \| good
2026-04-25T01:00:00.000Z	34 \| good	4.015 \| good	17.62 \| good	37.421 \| good	0.2 \| good	2.425 \| good	0.162 \| good
2026-04-25T02:00:00.000Z	31 \| good	4.191 \| good	18.619 \| good	34.017 \| good	0.222 \| good	2.898 \| good	0.163 \| good
2026-04-25T03:00:00.000Z	29 \| good	5.068 \| good	22.067 \| good	31.223 \| good	0.245 \| good	3.372 \| good	0.165 \| good
2026-04-25T04:00:00.000Z	27 \| good	5.182 \| good	22.294 \| good	27.575 \| good	0.259 \| good	3.474 \| good	0.165 \| good
2026-04-25T05:00:00.000Z	33 \| good	5.622 \| good	24.153 \| good	25.304 \| good	0.273 \| good	3.576 \| good	0.164 \| good
2026-04-25T06:00:00.000Z	27 \| good	5.158 \| good	22.204 \| good	23.262 \| good	0.287 \| good	3.679 \| good	0.164 \| good
2026-04-25T07:00:00.000Z	27 \| good	5.325 \| good	22.787 \| good	21.06 \| good	0.363 \| good	3.673 \| good	0.163 \| good
2026-04-25T08:00:00.000Z	27 \| good	4.899 \| good	20.993 \| good	19.45 \| good	0.439 \| good	3.666 \| good	0.163 \| good
2026-04-25T09:00:00.000Z	27 \| good	4.562 \| good	19.751 \| good	18.234 \| good	0.515 \| good	3.66 \| good	0.162 \| good
2026-04-25T10:00:00.000Z	27 \| good	5.438 \| good	23.324 \| good	16.571 \| good	0.444 \| good	3.234 \| good	0.164 \| good
2026-04-25T11:00:00.000Z	49 \| good	8.607 \| good	37.562 \| good	17.247 \| good	0.373 \| good	2.808 \| good	0.165 \| good
2026-04-25T12:00:00.000Z	38 \| good	6.961 \| good	30.937 \| good	26.48 \| good	0.302 \| good	2.381 \| good	0.167 \| good
2026-04-25T13:00:00.000Z	31 \| good	4.073 \| good	17.536 \| good	33.481 \| good	0.384 \| good	2.328 \| good	0.168 \| good
2026-04-25T14:00:00.000Z	35 \| good	2.082 \| good	8.311 \| good	37.837 \| good	0.467 \| good	2.275 \| good	0.169 \| good
2026-04-25T15:00:00.000Z	37 \| good	1.411 \| good	5.547 \| good	40.452 \| good	0.549 \| good	2.222 \| good	0.17 \| good
2026-04-25T16:00:00.000Z	40 \| good	1.515 \| good	6.007 \| good	42.551 \| good	0.535 \| good	1.925 \| good	0.166 \| good
2026-04-25T17:00:00.000Z	41 \| good	1.812 \| good	7.486 \| good	43.749 \| good	0.521 \| good	1.628 \| good	0.162 \| good
2026-04-25T18:00:00.000Z	43 \| good	2.49 \| good	9.98 \| good	45.719 \| good	0.507 \| good	1.331 \| good	0.158 \| good
2026-04-25T19:00:00.000Z	44 \| good	3.267 \| good	14.456 \| good	48.001 \| good	0.52 \| good	1.3 \| good	0.157 \| good
2026-04-25T20:00:00.000Z	46 \| good	4.038 \| good	17.74 \| good	50.322 \| good	0.532 \| good	1.269 \| good	0.156 \| good
2026-04-25T21:00:00.000Z	47 \| good	4.931 \| good	21 \| good	50.594 \| good	0.545 \| good	1.237 \| good	0.154 \| good
2026-04-25T22:00:00.000Z	44 \| good	4.841 \| good	20.942 \| good	47.709 \| good	0.606 \| good	2 \| good	0.16 \| good
2026-04-25T23:00:00.000Z	43 \| good	3.901 \| good	17.081 \| good	45.758 \| good	0.667 \| good	2.763 \| good	0.166 \| good
2026-04-26T00:00:00.000Z	42 \| good	2.246 \| good	9.232 \| good	44.718 \| good	0.729 \| good	3.525 \| good	0.172 \| good
2026-04-26T01:00:00.000Z	36 \| good	2.106 \| good	8.417 \| good	39.065 \| good	0.775 \| good	4.297 \| good	0.176 \| good
2026-04-26T02:00:00.000Z	34 \| good	1.905 \| good	7.942 \| good	37.119 \| good	0.82 \| good	5.068 \| good	0.18 \| good
2026-04-26T03:00:00.000Z	32 \| good	1.508 \| good	6.178 \| good	35.316 \| good	0.866 \| good	5.84 \| good	0.184 \| good
2026-04-26T04:00:00.000Z	30 \| good	2.042 \| good	8.354 \| good	32.219 \| good	0.786 \| good	5.475 \| good	0.179 \| good
2026-04-26T05:00:00.000Z	26 \| good	3.497 \| good	15.33 \| good	28.091 \| good	0.705 \| good	5.11 \| good	0.173 \| good

DeKalb

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

0.16ppm

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 12:00:00 on 2026-04-23.

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 06:00:00 on 2026-04-23.

What is the AQI in Dekalb, Illinois right now?

As of now, the AQI in Dekalb, Illinois is 52, indicating Moderate conditions.

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

Dekalb, Illinois air has the highest levels of PM2.5.

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 10.009 μg/m³.

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

The PM₁₀ concentration in Dekalb, Illinois is 46.263 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 0.15 ppm.

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

Currently, Dekalb, Illinois has a sulfur dioxide (SO₂) concentration of 0.952 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 46.066 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 3.555 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-22T06:00:00.000Z	52 \| moderate	10.49 \| good	38.671 \| good	23.663 \| good	0.708 \| good	6.419 \| good	0.269 \| good
2026-04-22T07:00:00.000Z	44 \| good	7.96 \| good	29.66 \| good	27.156 \| good	0.751 \| good	9.305 \| good	0.242 \| good
2026-04-22T08:00:00.000Z	49 \| good	8.7 \| good	30.787 \| good	18.722 \| good	0.533 \| good	8.355 \| good	0.214 \| good
2026-04-22T09:00:00.000Z	49 \| good	9.039 \| good	31.734 \| good	18.676 \| good	0.489 \| good	9.311 \| good	0.231 \| good
2026-04-22T10:00:00.000Z	38 \| good	7.345 \| good	37.539 \| good	19.838 \| good	0.513 \| good	10.451 \| good	0.242 \| good
2026-04-22T11:00:00.000Z	44 \| good	7.944 \| good	31.407 \| good	19.055 \| good	0.442 \| good	13.154 \| good	0.246 \| good
2026-04-22T12:00:00.000Z	38 \| good	6.604 \| good	33.884 \| good	25.284 \| good	0.421 \| good	13.554 \| good	0.257 \| good
2026-04-22T13:00:00.000Z	33 \| good	6.41 \| good	25.487 \| good	29.671 \| good	0.406 \| good	8.85 \| good	0.246 \| good
2026-04-22T14:00:00.000Z	38 \| good	6.701 \| good	30.103 \| good	31.122 \| good	0.34 \| good	8.369 \| good	0.247 \| good
2026-04-22T15:00:00.000Z	38 \| good	7.373 \| good	31.938 \| good	30.905 \| good	0.355 \| good	5.164 \| good	0.185 \| good
2026-04-22T16:00:00.000Z	52 \| moderate	9.895 \| good	41.153 \| good	35.824 \| good	0.416 \| good	5.08 \| good	0.158 \| good
2026-04-22T17:00:00.000Z	54 \| moderate	11.37 \| good	49.734 \| good	40.416 \| good	0.359 \| good	5.139 \| good	0.184 \| good
2026-04-22T18:00:00.000Z	60 \| moderate	14.092 \| fine	53.378 \| good	45.906 \| good	0.362 \| good	5.878 \| good	0.205 \| good
2026-04-22T19:00:00.000Z	56 \| moderate	11.733 \| good	47.872 \| good	42.224 \| good	0.444 \| good	5.058 \| good	0.205 \| good
2026-04-22T20:00:00.000Z	54 \| moderate	10.728 \| good	43.354 \| good	46.466 \| good	1.009 \| good	4.063 \| good	0.185 \| good
2026-04-22T21:00:00.000Z	49 \| good	9.152 \| good	28.697 \| good	50.257 \| good	0.849 \| good	3.562 \| good	0.196 \| good
2026-04-22T22:00:00.000Z	54 \| moderate	9.35 \| good	38.158 \| good	55.577 \| fine	0.508 \| good	3.694 \| good	0.196 \| good
2026-04-22T23:00:00.000Z	56 \| moderate	12.401 \| fine	39.287 \| good	53.411 \| good	0.577 \| good	2.614 \| good	0.196 \| good
2026-04-23T00:00:00.000Z	77 \| moderate	10.523 \| good	41.681 \| good	62.958 \| fine	0.396 \| good	4.487 \| good	0.169 \| good
2026-04-23T01:00:00.000Z	50 \| good	7.303 \| good	32.808 \| good	54.39 \| good	0.982 \| good	3.934 \| good	0.22 \| good
2026-04-23T02:00:00.000Z	49 \| good	8.299 \| good	39.935 \| good	52.911 \| good	0.975 \| good	4.669 \| good	0.2 \| good
2026-04-23T03:00:00.000Z	44 \| good	7.53 \| good	37.549 \| good	45.059 \| good	0.631 \| good	8.483 \| good	0.188 \| good
2026-04-23T04:00:00.000Z	49 \| good	8.502 \| good	42.452 \| good	39.657 \| good	0.573 \| good	12.79 \| good	0.219 \| good
2026-04-23T05:00:00.000Z	58 \| moderate	13.305 \| fine	60.373 \| fine	32.837 \| good	0.362 \| good	9.509 \| good	0.172 \| good
2026-04-23T06:00:00.000Z	54 \| moderate	11.479 \| good	50.537 \| good	30.006 \| good	0.374 \| good	15.183 \| good	0.2 \| good
2026-04-23T07:00:00.000Z	67 \| moderate	18.068 \| fine	69.129 \| fine	37.726 \| good	0.659 \| good	16.32 \| good	0.161 \| good
2026-04-23T08:00:00.000Z	38 \| good	7.115 \| good	27.498 \| good	29.401 \| good	0.841 \| good	21.577 \| good	0.161 \| good
2026-04-23T09:00:00.000Z	44 \| good	7.966 \| good	20.872 \| good	36.774 \| good	1.04 \| good	21.515 \| good	0.161 \| good
2026-04-23T10:00:00.000Z	66 \| moderate	17.197 \| fine	68.384 \| fine	33.236 \| good	1.039 \| good	18.766 \| good	0.177 \| good
2026-04-23T11:00:00.000Z	60 \| moderate	13.97 \| fine	51.327 \| good	26.599 \| good	0.874 \| good	16.499 \| good	0.228 \| good
2026-04-23T12:00:00.000Z	81 \| moderate	24.748 \| fine	91.621 \| fine	24.827 \| good	0.665 \| good	9.335 \| good	0.266 \| good
2026-04-23T13:00:00.000Z	69 \| moderate	18.674 \| fine	85.545 \| fine	29.269 \| good	0.611 \| good	9.147 \| good	0.255 \| good
2026-04-23T14:00:00.000Z	66 \| moderate	16.565 \| fine	85.816 \| fine	19.691 \| good	0.613 \| good	11.507 \| good	0.247 \| good
2026-04-23T15:00:00.000Z	58 \| moderate	12.526 \| fine	60.412 \| fine	19.668 \| good	0.62 \| good	6.151 \| good	0.219 \| good
2026-04-23T16:00:00.000Z	44 \| good	7.947 \| good	35.753 \| good	30.499 \| good	0.614 \| good	5.243 \| good	0.192 \| good
2026-04-23T17:00:00.000Z	38 \| good	7.498 \| good	33.084 \| good	34.453 \| good	0.628 \| good	2.33 \| good	0.219 \| good
2026-04-23T18:00:00.000Z	33 \| good	6.208 \| good	21.733 \| good	35.664 \| good	0.669 \| good	1.204 \| good	0.15 \| good
2026-04-23T19:00:00.000Z	39 \| good	5.904 \| good	20.453 \| good	42.14 \| good	0.518 \| good	1.039 \| good	0.162 \| good
2026-04-23T20:00:00.000Z	40 \| good	6.487 \| good	28.876 \| good	43.01 \| good	0.599 \| good	3.936 \| good	0.158 \| good
2026-04-23T21:00:00.000Z	43 \| good	6.19 \| good	21.949 \| good	46.167 \| good	1.207 \| good	3.49 \| good	0.158 \| good
2026-04-23T22:00:00.000Z	46 \| good	6.178 \| good	28.396 \| good	50.035 \| good	0.988 \| good	1.239 \| good	0.158 \| good
2026-04-23T23:00:00.000Z	49 \| good	9.161 \| good	39.911 \| good	48.419 \| good	1.001 \| good	1.631 \| good	0.139 \| good
2026-04-24T00:00:00.000Z	49 \| good	9.2 \| good	38.167 \| good	50.887 \| good	1.017 \| good	1.389 \| good	0.158 \| good
2026-04-24T01:00:00.000Z	52 \| moderate	9.907 \| good	42.746 \| good	49.213 \| good	1.107 \| good	2.29 \| good	0.169 \| good
2026-04-24T02:00:00.000Z	52 \| moderate	9.628 \| good	43.078 \| good	47.403 \| good	1.076 \| good	4.125 \| good	0.219 \| good
2026-04-24T03:00:00.000Z	39 \| good	5.826 \| good	25.494 \| good	42.154 \| good	0.313 \| good	2.324 \| good	0.158 \| good
2026-04-24T04:00:00.000Z	52 \| moderate	10.093 \| good	50.814 \| good	47.85 \| good	0.979 \| good	4.82 \| good	0.15 \| good
2026-04-24T05:00:00.000Z	52 \| moderate	10.009 \| good	46.263 \| good	46.066 \| good	0.952 \| good	3.555 \| good	0.15 \| good
2026-04-24T05:00:00.000Z	52 \| moderate	10.009 \| good	46.263 \| good	46.066 \| good	0.952 \| good	3.555 \| good	0.15 \| good
2026-04-24T06:00:00.000Z	37 \| good	5.464 \| good	23.13 \| good	40.306 \| good	0.343 \| good	1.697 \| good	0.15 \| good
2026-04-24T07:00:00.000Z	41 \| good	4.408 \| good	19.079 \| good	43.864 \| good	0.366 \| good	1.691 \| good	0.147 \| good
2026-04-24T08:00:00.000Z	41 \| good	3.323 \| good	14.769 \| good	43.84 \| good	0.389 \| good	1.684 \| good	0.145 \| good
2026-04-24T09:00:00.000Z	40 \| good	2.336 \| good	9.769 \| good	42.843 \| good	0.412 \| good	1.677 \| good	0.142 \| good
2026-04-24T10:00:00.000Z	36 \| good	1.867 \| good	7.815 \| good	39.457 \| good	0.422 \| good	1.775 \| good	0.14 \| good
2026-04-24T11:00:00.000Z	33 \| good	1.985 \| good	8 \| good	36.385 \| good	0.432 \| good	1.873 \| good	0.139 \| good
2026-04-24T12:00:00.000Z	32 \| good	1.295 \| good	5.095 \| good	34.752 \| good	0.441 \| good	1.971 \| good	0.138 \| good
2026-04-24T13:00:00.000Z	38 \| good	2.276 \| good	9.283 \| good	41.297 \| good	0.376 \| good	1.937 \| good	0.137 \| good
2026-04-24T14:00:00.000Z	41 \| good	6.072 \| good	27.019 \| good	43.817 \| good	0.31 \| good	1.903 \| good	0.137 \| good
2026-04-24T15:00:00.000Z	40 \| good	7.227 \| good	31.946 \| good	43.164 \| good	0.245 \| good	1.87 \| good	0.136 \| good
2026-04-24T16:00:00.000Z	44 \| good	7.916 \| good	34.634 \| good	39.868 \| good	0.189 \| good	1.485 \| good	0.137 \| good
2026-04-24T17:00:00.000Z	44 \| good	8.077 \| good	35.333 \| good	38.536 \| good	0.133 \| good	1.101 \| good	0.137 \| good
2026-04-24T18:00:00.000Z	36 \| good	5.844 \| good	25.811 \| good	39.486 \| good	0.077 \| good	0.716 \| good	0.138 \| good
2026-04-24T19:00:00.000Z	39 \| good	4.049 \| good	17.757 \| good	41.848 \| good	0.086 \| good	0.701 \| good	0.14 \| good
2026-04-24T20:00:00.000Z	41 \| good	3.838 \| good	16.769 \| good	44.373 \| good	0.096 \| good	0.686 \| good	0.142 \| good
2026-04-24T21:00:00.000Z	41 \| good	4.285 \| good	18.875 \| good	44.435 \| good	0.106 \| good	0.67 \| good	0.144 \| good
2026-04-24T22:00:00.000Z	42 \| good	4.552 \| good	19.616 \| good	44.797 \| good	0.13 \| good	1.097 \| good	0.149 \| good
2026-04-24T23:00:00.000Z	41 \| good	4.951 \| good	21.59 \| good	44.133 \| good	0.154 \| good	1.524 \| good	0.155 \| good
2026-04-25T00:00:00.000Z	41 \| good	3.496 \| good	15.613 \| good	43.875 \| good	0.178 \| good	1.951 \| good	0.16 \| good
2026-04-25T01:00:00.000Z	34 \| good	4.015 \| good	17.62 \| good	37.421 \| good	0.2 \| good	2.425 \| good	0.162 \| good
2026-04-25T02:00:00.000Z	31 \| good	4.191 \| good	18.619 \| good	34.017 \| good	0.222 \| good	2.898 \| good	0.163 \| good
2026-04-25T03:00:00.000Z	29 \| good	5.068 \| good	22.067 \| good	31.223 \| good	0.245 \| good	3.372 \| good	0.165 \| good
2026-04-25T04:00:00.000Z	27 \| good	5.182 \| good	22.294 \| good	27.575 \| good	0.259 \| good	3.474 \| good	0.165 \| good
2026-04-25T05:00:00.000Z	33 \| good	5.622 \| good	24.153 \| good	25.304 \| good	0.273 \| good	3.576 \| good	0.164 \| good
2026-04-25T06:00:00.000Z	27 \| good	5.158 \| good	22.204 \| good	23.262 \| good	0.287 \| good	3.679 \| good	0.164 \| good
2026-04-25T07:00:00.000Z	27 \| good	5.325 \| good	22.787 \| good	21.06 \| good	0.363 \| good	3.673 \| good	0.163 \| good
2026-04-25T08:00:00.000Z	27 \| good	4.899 \| good	20.993 \| good	19.45 \| good	0.439 \| good	3.666 \| good	0.163 \| good
2026-04-25T09:00:00.000Z	27 \| good	4.562 \| good	19.751 \| good	18.234 \| good	0.515 \| good	3.66 \| good	0.162 \| good
2026-04-25T10:00:00.000Z	27 \| good	5.438 \| good	23.324 \| good	16.571 \| good	0.444 \| good	3.234 \| good	0.164 \| good
2026-04-25T11:00:00.000Z	49 \| good	8.607 \| good	37.562 \| good	17.247 \| good	0.373 \| good	2.808 \| good	0.165 \| good
2026-04-25T12:00:00.000Z	38 \| good	6.961 \| good	30.937 \| good	26.48 \| good	0.302 \| good	2.381 \| good	0.167 \| good
2026-04-25T13:00:00.000Z	31 \| good	4.073 \| good	17.536 \| good	33.481 \| good	0.384 \| good	2.328 \| good	0.168 \| good
2026-04-25T14:00:00.000Z	35 \| good	2.082 \| good	8.311 \| good	37.837 \| good	0.467 \| good	2.275 \| good	0.169 \| good
2026-04-25T15:00:00.000Z	37 \| good	1.411 \| good	5.547 \| good	40.452 \| good	0.549 \| good	2.222 \| good	0.17 \| good
2026-04-25T16:00:00.000Z	40 \| good	1.515 \| good	6.007 \| good	42.551 \| good	0.535 \| good	1.925 \| good	0.166 \| good
2026-04-25T17:00:00.000Z	41 \| good	1.812 \| good	7.486 \| good	43.749 \| good	0.521 \| good	1.628 \| good	0.162 \| good
2026-04-25T18:00:00.000Z	43 \| good	2.49 \| good	9.98 \| good	45.719 \| good	0.507 \| good	1.331 \| good	0.158 \| good
2026-04-25T19:00:00.000Z	44 \| good	3.267 \| good	14.456 \| good	48.001 \| good	0.52 \| good	1.3 \| good	0.157 \| good
2026-04-25T20:00:00.000Z	46 \| good	4.038 \| good	17.74 \| good	50.322 \| good	0.532 \| good	1.269 \| good	0.156 \| good
2026-04-25T21:00:00.000Z	47 \| good	4.931 \| good	21 \| good	50.594 \| good	0.545 \| good	1.237 \| good	0.154 \| good
2026-04-25T22:00:00.000Z	44 \| good	4.841 \| good	20.942 \| good	47.709 \| good	0.606 \| good	2 \| good	0.16 \| good
2026-04-25T23:00:00.000Z	43 \| good	3.901 \| good	17.081 \| good	45.758 \| good	0.667 \| good	2.763 \| good	0.166 \| good
2026-04-26T00:00:00.000Z	42 \| good	2.246 \| good	9.232 \| good	44.718 \| good	0.729 \| good	3.525 \| good	0.172 \| good
2026-04-26T01:00:00.000Z	36 \| good	2.106 \| good	8.417 \| good	39.065 \| good	0.775 \| good	4.297 \| good	0.176 \| good
2026-04-26T02:00:00.000Z	34 \| good	1.905 \| good	7.942 \| good	37.119 \| good	0.82 \| good	5.068 \| good	0.18 \| good
2026-04-26T03:00:00.000Z	32 \| good	1.508 \| good	6.178 \| good	35.316 \| good	0.866 \| good	5.84 \| good	0.184 \| good
2026-04-26T04:00:00.000Z	30 \| good	2.042 \| good	8.354 \| good	32.219 \| good	0.786 \| good	5.475 \| good	0.179 \| good
2026-04-26T05:00:00.000Z	26 \| good	3.497 \| good	15.33 \| good	28.091 \| good	0.705 \| good	5.11 \| good	0.173 \| 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

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Campton Hills, Illinois

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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