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

The PM10 concentration in Dekalb, Illinois is 70.35 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 0.56 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 17.972 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 7.462 ppb.

Live air quality index in DeKalb, Illinois today

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

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)

29.67 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

129.49 μg/m³

155

255

425

605+

Ozone (O₃)

39.08 ppb

201

201+

Sulfur Dioxide (SO₂)

0.98 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.91 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.23 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
2025-07-20T20:00:00.000Z	33 \| good	5.799 \| good	21.609 \| good	34.449 \| good	0.475 \| good	1.495 \| good	0.186 \| good
2025-07-20T21:00:00.000Z	33 \| good	5.752 \| good	25.483 \| good	34.07 \| good	0.537 \| good	1.378 \| good	0.186 \| good
2025-07-20T22:00:00.000Z	33 \| good	5.532 \| good	26.853 \| good	35.165 \| good	0.449 \| good	1.262 \| good	0.134 \| good
2025-07-20T23:00:00.000Z	33 \| good	5.972 \| good	26.53 \| good	33.974 \| good	0.442 \| good	3.154 \| good	0.177 \| good
2025-07-21T00:00:00.000Z	34 \| good	5.483 \| good	23.81 \| good	37.093 \| good	0.421 \| good	1.78 \| good	0.234 \| good
2025-07-21T01:00:00.000Z	32 \| good	5.281 \| good	21.651 \| good	34.808 \| good	0.457 \| good	3.118 \| good	0.245 \| good
2025-07-21T02:00:00.000Z	38 \| good	6.858 \| good	19.75 \| good	32.105 \| good	0.481 \| good	7.209 \| good	0.245 \| good
2025-07-21T03:00:00.000Z	33 \| good	6.244 \| good	18.762 \| good	33.015 \| good	0.435 \| good	4.354 \| good	0.256 \| good
2025-07-21T04:00:00.000Z	38 \| good	7.019 \| good	28.592 \| good	28.991 \| good	0.362 \| good	2.472 \| good	0.256 \| good
2025-07-21T05:00:00.000Z	60 \| moderate	13.516 \| fine	58.9 \| fine	31.819 \| good	0.448 \| good	2.91 \| good	0.267 \| good
2025-07-21T06:00:00.000Z	83 \| moderate	24.111 \| fine	119.948 \| fine	29.348 \| good	0.48 \| good	2.108 \| good	0.244 \| good
2025-07-21T07:00:00.000Z	99 \| moderate	34.667 \| fine	101.21 \| fine	31.18 \| good	0.554 \| good	2.743 \| good	0.233 \| good
2025-07-21T08:00:00.000Z	92 \| moderate	31.041 \| fine	123.42 \| fine	27.089 \| good	0.45 \| good	3.117 \| good	0.211 \| good
2025-07-21T09:00:00.000Z	97 \| moderate	34.208 \| fine	144.906 \| fine	29.132 \| good	0.427 \| good	3.474 \| good	0.21 \| good
2025-07-21T10:00:00.000Z	132 \| sensitive	48.044 \| moderate	134.029 \| fine	24.855 \| good	0.493 \| good	7.494 \| good	0.21 \| good
2025-07-21T11:00:00.000Z	115 \| sensitive	40.876 \| moderate	173.146 \| moderate	21.067 \| good	0.718 \| good	4.763 \| good	0.176 \| good
2025-07-21T12:00:00.000Z	119 \| sensitive	43.424 \| moderate	180.709 \| moderate	21.634 \| good	0.941 \| good	6.339 \| good	0.176 \| good
2025-07-21T13:00:00.000Z	102 \| sensitive	35.669 \| moderate	72.054 \| fine	28.717 \| good	1.039 \| good	6.016 \| good	0.184 \| good
2025-07-21T14:00:00.000Z	73 \| moderate	20.965 \| fine	87.359 \| fine	31.004 \| good	0.946 \| good	3.396 \| good	0.161 \| good
2025-07-21T15:00:00.000Z	71 \| moderate	20.056 \| fine	84.426 \| fine	29.329 \| good	2.063 \| good	3.408 \| good	0.161 \| good
2025-07-21T16:00:00.000Z	64 \| moderate	16.062 \| fine	50.465 \| good	28.94 \| good	2.104 \| good	2.07 \| good	0.142 \| good
2025-07-21T17:00:00.000Z	58 \| moderate	13.203 \| fine	56.811 \| fine	34.191 \| good	1.137 \| good	1.591 \| good	0.142 \| good
2025-07-21T18:00:00.000Z	64 \| moderate	16.222 \| fine	61.879 \| fine	38.741 \| good	0.989 \| good	1.837 \| good	0.163 \| good
2025-07-21T19:00:00.000Z	60 \| moderate	13.548 \| fine	48.667 \| good	43.165 \| good	1.208 \| good	1.98 \| good	0.209 \| good
2025-07-21T20:00:00.000Z	60 \| moderate	14.177 \| fine	68.897 \| fine	47.61 \| good	0.857 \| good	1.539 \| good	0.191 \| good
2025-07-21T21:00:00.000Z	64 \| moderate	15.76 \| fine	57.461 \| fine	51.363 \| good	1.625 \| good	1.68 \| good	0.205 \| good
2025-07-21T22:00:00.000Z	62 \| moderate	14.581 \| fine	64.455 \| fine	53.849 \| good	1.716 \| good	1.867 \| good	0.238 \| good
2025-07-21T23:00:00.000Z	77 \| moderate	23.008 \| fine	82.695 \| fine	47.61 \| good	1.102 \| good	1.472 \| good	0.257 \| good
2025-07-22T00:00:00.000Z	82 \| moderate	25.598 \| fine	103.809 \| fine	45.275 \| good	1.051 \| good	1.578 \| good	0.28 \| good
2025-07-22T01:00:00.000Z	67 \| moderate	18.36 \| fine	71.299 \| fine	40.553 \| good	1.47 \| good	2.303 \| good	0.296 \| good
2025-07-22T02:00:00.000Z	80 \| moderate	22.247 \| fine	113.845 \| fine	46.303 \| good	1.257 \| good	2.951 \| good	0.284 \| good
2025-07-22T03:00:00.000Z	79 \| moderate	24.255 \| fine	105.572 \| fine	27.867 \| good	1.874 \| good	8.101 \| good	0.303 \| good
2025-07-22T04:00:00.000Z	75 \| moderate	21.944 \| fine	94.996 \| fine	29.883 \| good	0.485 \| good	8.231 \| good	0.204 \| good
2025-07-22T05:00:00.000Z	84 \| moderate	24.344 \| fine	120.886 \| fine	30.31 \| good	0.58 \| good	9.187 \| good	0.158 \| good
2025-07-22T06:00:00.000Z	77 \| moderate	22.853 \| fine	84.706 \| fine	30.142 \| good	0.748 \| good	11.134 \| good	0.159 \| good
2025-07-22T07:00:00.000Z	90 \| moderate	29.578 \| fine	117.545 \| fine	27.817 \| good	0.626 \| good	10.632 \| good	0.13 \| good
2025-07-22T08:00:00.000Z	86 \| moderate	27.936 \| fine	111.851 \| fine	27.377 \| good	0.477 \| good	13.357 \| good	0.13 \| good
2025-07-22T09:00:00.000Z	81 \| moderate	24.866 \| fine	41.82 \| good	25.722 \| good	0.288 \| good	11.7 \| good	0.119 \| good
2025-07-22T10:00:00.000Z	66 \| moderate	16.52 \| fine	63.107 \| fine	22.955 \| good	0.334 \| good	10.338 \| good	0.13 \| good
2025-07-22T11:00:00.000Z	60 \| moderate	14.004 \| fine	59.617 \| fine	20.659 \| good	0.511 \| good	9.063 \| good	0.177 \| good
2025-07-22T12:00:00.000Z	73 \| moderate	20.766 \| fine	70.35 \| fine	17.972 \| good	0.56 \| good	7.462 \| good	0.177 \| good
2025-07-22T13:00:00.000Z	69 \| moderate	18.957 \| fine	76.639 \| fine	20.367 \| good	0.422 \| good	7.338 \| good	0.177 \| good
2025-07-22T14:00:00.000Z	81 \| moderate	24.999 \| fine	74.384 \| fine	20.556 \| good	0.816 \| good	4.507 \| good	0.187 \| good
2025-07-22T15:00:00.000Z	90 \| moderate	30.353 \| fine	101.864 \| fine	24.661 \| good	0.958 \| good	4.459 \| good	0.216 \| good
2025-07-22T16:00:00.000Z	94 \| moderate	32.408 \| fine	121.433 \| fine	32.553 \| good	1.245 \| good	3.332 \| good	0.204 \| good
2025-07-22T17:00:00.000Z	94 \| moderate	31.965 \| fine	139.01 \| fine	34.284 \| good	1.147 \| good	2.09 \| good	0.204 \| good
2025-07-22T18:00:00.000Z	90 \| moderate	29.888 \| fine	127.568 \| fine	35.169 \| good	1.098 \| good	2.139 \| good	0.185 \| good
2025-07-22T19:00:00.000Z	90 \| moderate	29.672 \| fine	129.49 \| fine	39.084 \| good	0.979 \| good	1.905 \| good	0.231 \| good
2025-07-22T19:00:00.000Z	90 \| moderate	29.672 \| fine	129.49 \| fine	39.084 \| good	0.979 \| good	1.905 \| good	0.231 \| good
2025-07-22T13:00:00.000Z	66 \| moderate	16.693 \| fine	74.04 \| fine	17.551 \| good	1.756 \| good	6.178 \| good	0.283 \| good
2025-07-22T14:00:00.000Z	67 \| moderate	18.114 \| fine	79.961 \| fine	20.97 \| good	1.627 \| good	4.734 \| good	0.268 \| good
2025-07-22T15:00:00.000Z	67 \| moderate	18.335 \| fine	81.255 \| fine	24.257 \| good	1.498 \| good	3.29 \| good	0.253 \| good
2025-07-22T16:00:00.000Z	69 \| moderate	19.091 \| fine	83.869 \| fine	27.878 \| good	1.336 \| good	2.659 \| good	0.24 \| good
2025-07-22T17:00:00.000Z	67 \| moderate	18.157 \| fine	79.789 \| fine	30.613 \| good	1.174 \| good	2.028 \| good	0.226 \| good
2025-07-22T18:00:00.000Z	62 \| moderate	14.503 \| fine	64.874 \| fine	37.134 \| good	1.011 \| good	1.397 \| good	0.213 \| good
2025-07-22T19:00:00.000Z	58 \| moderate	13.343 \| fine	60.434 \| fine	40.368 \| good	0.909 \| good	1.312 \| good	0.207 \| good
2025-07-22T20:00:00.000Z	60 \| moderate	13.864 \| fine	62.378 \| fine	42.216 \| good	0.806 \| good	1.227 \| good	0.201 \| good
2025-07-22T21:00:00.000Z	60 \| moderate	14.411 \| fine	64.861 \| fine	42.701 \| good	0.704 \| good	1.142 \| good	0.195 \| good
2025-07-22T22:00:00.000Z	58 \| moderate	13.475 \| fine	60.468 \| fine	40.531 \| good	0.704 \| good	1.656 \| good	0.197 \| good
2025-07-22T23:00:00.000Z	62 \| moderate	15.107 \| fine	67.374 \| fine	38.711 \| good	0.704 \| good	2.171 \| good	0.2 \| good
2025-07-23T00:00:00.000Z	60 \| moderate	13.854 \| fine	62.54 \| fine	38.077 \| good	0.705 \| good	2.685 \| good	0.203 \| good
2025-07-23T01:00:00.000Z	56 \| moderate	11.521 \| good	51.007 \| good	39.205 \| good	0.829 \| good	3.384 \| good	0.208 \| good
2025-07-23T02:00:00.000Z	56 \| moderate	12.055 \| good	53.822 \| good	34.367 \| good	0.953 \| good	4.082 \| good	0.214 \| good
2025-07-23T03:00:00.000Z	56 \| moderate	11.836 \| good	52.47 \| good	29.822 \| good	1.078 \| good	4.781 \| good	0.219 \| good
2025-07-23T04:00:00.000Z	56 \| moderate	11.833 \| good	52.262 \| good	28.146 \| good	1.107 \| good	4.897 \| good	0.221 \| good
2025-07-23T05:00:00.000Z	56 \| moderate	12.181 \| fine	54.741 \| good	27.041 \| good	1.135 \| good	5.013 \| good	0.223 \| good
2025-07-23T06:00:00.000Z	56 \| moderate	12.146 \| fine	54.789 \| good	25.636 \| good	1.164 \| good	5.129 \| good	0.225 \| good
2025-07-23T07:00:00.000Z	54 \| moderate	11.266 \| good	50.006 \| good	24.591 \| good	1.238 \| good	5.174 \| good	0.228 \| good
2025-07-23T08:00:00.000Z	54 \| moderate	10.768 \| good	47.953 \| good	24.046 \| good	1.313 \| good	5.218 \| good	0.23 \| good
2025-07-23T09:00:00.000Z	54 \| moderate	10.917 \| good	48.31 \| good	24.186 \| good	1.387 \| good	5.263 \| good	0.233 \| good
2025-07-23T10:00:00.000Z	54 \| moderate	10.644 \| good	47.395 \| good	23.057 \| good	1.515 \| good	4.856 \| good	0.236 \| good
2025-07-23T11:00:00.000Z	54 \| moderate	11.152 \| good	49.444 \| good	23.278 \| good	1.643 \| good	4.45 \| good	0.238 \| good
2025-07-23T12:00:00.000Z	56 \| moderate	11.747 \| good	51.642 \| good	24.642 \| good	1.771 \| good	4.043 \| good	0.241 \| good
2025-07-23T13:00:00.000Z	56 \| moderate	12.291 \| fine	55.678 \| fine	26.602 \| good	1.96 \| good	3.414 \| good	0.234 \| good
2025-07-23T14:00:00.000Z	56 \| moderate	12.312 \| fine	55.627 \| fine	28.698 \| good	2.148 \| good	2.785 \| good	0.227 \| good
2025-07-23T15:00:00.000Z	56 \| moderate	11.865 \| good	52.513 \| good	33.388 \| good	2.337 \| good	2.156 \| good	0.221 \| good
2025-07-23T16:00:00.000Z	54 \| moderate	11.362 \| good	50.351 \| good	36.751 \| good	1.971 \| good	1.747 \| good	0.21 \| good
2025-07-23T17:00:00.000Z	54 \| moderate	10.617 \| good	47.254 \| good	37.834 \| good	1.605 \| good	1.338 \| good	0.2 \| good
2025-07-23T18:00:00.000Z	52 \| moderate	9.573 \| good	42.772 \| good	39.006 \| good	1.239 \| good	0.928 \| good	0.189 \| good
2025-07-23T19:00:00.000Z	49 \| good	8.791 \| good	38.39 \| good	39.324 \| good	1.143 \| good	0.94 \| good	0.187 \| good
2025-07-23T20:00:00.000Z	49 \| good	9.449 \| good	41.874 \| good	39.156 \| good	1.048 \| good	0.952 \| good	0.185 \| good
2025-07-23T21:00:00.000Z	54 \| moderate	10.822 \| good	47.935 \| good	39.704 \| good	0.952 \| good	0.964 \| good	0.182 \| good
2025-07-23T22:00:00.000Z	54 \| moderate	11.406 \| good	50.358 \| good	39.682 \| good	0.883 \| good	1.527 \| good	0.187 \| good
2025-07-23T23:00:00.000Z	56 \| moderate	12.147 \| fine	54.267 \| good	36.432 \| good	0.814 \| good	2.089 \| good	0.192 \| good
2025-07-24T00:00:00.000Z	54 \| moderate	11.106 \| good	49.395 \| good	32.356 \| good	0.745 \| good	2.652 \| good	0.198 \| good
2025-07-24T01:00:00.000Z	52 \| moderate	9.759 \| good	43.28 \| good	33.711 \| good	0.774 \| good	3.432 \| good	0.202 \| good
2025-07-24T02:00:00.000Z	49 \| good	8.84 \| good	38.879 \| good	32.826 \| good	0.803 \| good	4.213 \| good	0.207 \| good
2025-07-24T03:00:00.000Z	49 \| good	8.513 \| good	37.593 \| good	29.696 \| good	0.832 \| good	4.994 \| good	0.211 \| good
2025-07-24T04:00:00.000Z	52 \| moderate	9.997 \| good	44.262 \| good	26.938 \| good	0.82 \| good	5.086 \| good	0.212 \| good
2025-07-24T05:00:00.000Z	54 \| moderate	10.942 \| good	48.441 \| good	28.846 \| good	0.808 \| good	5.179 \| good	0.213 \| good
2025-07-24T06:00:00.000Z	36 \| good	3.152 \| good	3.997 \| good	38.556 \| good	0.789 \| good	5.254 \| good	0.214 \| good
2025-07-24T07:00:00.000Z	52 \| moderate	10.064 \| good	44.499 \| good	28.658 \| good	0.823 \| good	4.955 \| good	0.213 \| good
2025-07-24T08:00:00.000Z	54 \| moderate	10.577 \| good	47.053 \| good	25.486 \| good	0.85 \| good	4.637 \| good	0.212 \| good
2025-07-24T09:00:00.000Z	54 \| moderate	10.902 \| good	48.116 \| good	23.004 \| good	0.878 \| good	4.32 \| good	0.21 \| good
2025-07-24T10:00:00.000Z	52 \| moderate	9.992 \| good	44.424 \| good	22.784 \| good	0.868 \| good	4.115 \| good	0.21 \| good
2025-07-24T11:00:00.000Z	52 \| moderate	9.79 \| good	43.183 \| good	19.856 \| good	0.859 \| good	3.909 \| good	0.209 \| good
2025-07-24T12:00:00.000Z	33 \| good	3.431 \| good	4.725 \| good	36.397 \| good	0.842 \| good	3.687 \| good	0.209 \| good

DeKalb

Get reliable air quality data to drive your business

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

0.18ppm

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 2025-07-21.

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 05:00:00 on 2025-07-21.

What is the AQI in Dekalb, Illinois right now?

As of now, the AQI in Dekalb, Illinois is 73, 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 20.766 μg/m³.

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

The PM₁₀ concentration in Dekalb, Illinois is 70.35 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 0.177 ppm.

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

Currently, Dekalb, Illinois has a sulfur dioxide (SO₂) concentration of 0.56 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 17.972 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 7.462 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-20T20:00:00.000Z	33 \| good	5.799 \| good	21.609 \| good	34.449 \| good	0.475 \| good	1.495 \| good	0.186 \| good
2025-07-20T21:00:00.000Z	33 \| good	5.752 \| good	25.483 \| good	34.07 \| good	0.537 \| good	1.378 \| good	0.186 \| good
2025-07-20T22:00:00.000Z	33 \| good	5.532 \| good	26.853 \| good	35.165 \| good	0.449 \| good	1.262 \| good	0.134 \| good
2025-07-20T23:00:00.000Z	33 \| good	5.972 \| good	26.53 \| good	33.974 \| good	0.442 \| good	3.154 \| good	0.177 \| good
2025-07-21T00:00:00.000Z	34 \| good	5.483 \| good	23.81 \| good	37.093 \| good	0.421 \| good	1.78 \| good	0.234 \| good
2025-07-21T01:00:00.000Z	32 \| good	5.281 \| good	21.651 \| good	34.808 \| good	0.457 \| good	3.118 \| good	0.245 \| good
2025-07-21T02:00:00.000Z	38 \| good	6.858 \| good	19.75 \| good	32.105 \| good	0.481 \| good	7.209 \| good	0.245 \| good
2025-07-21T03:00:00.000Z	33 \| good	6.244 \| good	18.762 \| good	33.015 \| good	0.435 \| good	4.354 \| good	0.256 \| good
2025-07-21T04:00:00.000Z	38 \| good	7.019 \| good	28.592 \| good	28.991 \| good	0.362 \| good	2.472 \| good	0.256 \| good
2025-07-21T05:00:00.000Z	60 \| moderate	13.516 \| fine	58.9 \| fine	31.819 \| good	0.448 \| good	2.91 \| good	0.267 \| good
2025-07-21T06:00:00.000Z	83 \| moderate	24.111 \| fine	119.948 \| fine	29.348 \| good	0.48 \| good	2.108 \| good	0.244 \| good
2025-07-21T07:00:00.000Z	99 \| moderate	34.667 \| fine	101.21 \| fine	31.18 \| good	0.554 \| good	2.743 \| good	0.233 \| good
2025-07-21T08:00:00.000Z	92 \| moderate	31.041 \| fine	123.42 \| fine	27.089 \| good	0.45 \| good	3.117 \| good	0.211 \| good
2025-07-21T09:00:00.000Z	97 \| moderate	34.208 \| fine	144.906 \| fine	29.132 \| good	0.427 \| good	3.474 \| good	0.21 \| good
2025-07-21T10:00:00.000Z	132 \| sensitive	48.044 \| moderate	134.029 \| fine	24.855 \| good	0.493 \| good	7.494 \| good	0.21 \| good
2025-07-21T11:00:00.000Z	115 \| sensitive	40.876 \| moderate	173.146 \| moderate	21.067 \| good	0.718 \| good	4.763 \| good	0.176 \| good
2025-07-21T12:00:00.000Z	119 \| sensitive	43.424 \| moderate	180.709 \| moderate	21.634 \| good	0.941 \| good	6.339 \| good	0.176 \| good
2025-07-21T13:00:00.000Z	102 \| sensitive	35.669 \| moderate	72.054 \| fine	28.717 \| good	1.039 \| good	6.016 \| good	0.184 \| good
2025-07-21T14:00:00.000Z	73 \| moderate	20.965 \| fine	87.359 \| fine	31.004 \| good	0.946 \| good	3.396 \| good	0.161 \| good
2025-07-21T15:00:00.000Z	71 \| moderate	20.056 \| fine	84.426 \| fine	29.329 \| good	2.063 \| good	3.408 \| good	0.161 \| good
2025-07-21T16:00:00.000Z	64 \| moderate	16.062 \| fine	50.465 \| good	28.94 \| good	2.104 \| good	2.07 \| good	0.142 \| good
2025-07-21T17:00:00.000Z	58 \| moderate	13.203 \| fine	56.811 \| fine	34.191 \| good	1.137 \| good	1.591 \| good	0.142 \| good
2025-07-21T18:00:00.000Z	64 \| moderate	16.222 \| fine	61.879 \| fine	38.741 \| good	0.989 \| good	1.837 \| good	0.163 \| good
2025-07-21T19:00:00.000Z	60 \| moderate	13.548 \| fine	48.667 \| good	43.165 \| good	1.208 \| good	1.98 \| good	0.209 \| good
2025-07-21T20:00:00.000Z	60 \| moderate	14.177 \| fine	68.897 \| fine	47.61 \| good	0.857 \| good	1.539 \| good	0.191 \| good
2025-07-21T21:00:00.000Z	64 \| moderate	15.76 \| fine	57.461 \| fine	51.363 \| good	1.625 \| good	1.68 \| good	0.205 \| good
2025-07-21T22:00:00.000Z	62 \| moderate	14.581 \| fine	64.455 \| fine	53.849 \| good	1.716 \| good	1.867 \| good	0.238 \| good
2025-07-21T23:00:00.000Z	77 \| moderate	23.008 \| fine	82.695 \| fine	47.61 \| good	1.102 \| good	1.472 \| good	0.257 \| good
2025-07-22T00:00:00.000Z	82 \| moderate	25.598 \| fine	103.809 \| fine	45.275 \| good	1.051 \| good	1.578 \| good	0.28 \| good
2025-07-22T01:00:00.000Z	67 \| moderate	18.36 \| fine	71.299 \| fine	40.553 \| good	1.47 \| good	2.303 \| good	0.296 \| good
2025-07-22T02:00:00.000Z	80 \| moderate	22.247 \| fine	113.845 \| fine	46.303 \| good	1.257 \| good	2.951 \| good	0.284 \| good
2025-07-22T03:00:00.000Z	79 \| moderate	24.255 \| fine	105.572 \| fine	27.867 \| good	1.874 \| good	8.101 \| good	0.303 \| good
2025-07-22T04:00:00.000Z	75 \| moderate	21.944 \| fine	94.996 \| fine	29.883 \| good	0.485 \| good	8.231 \| good	0.204 \| good
2025-07-22T05:00:00.000Z	84 \| moderate	24.344 \| fine	120.886 \| fine	30.31 \| good	0.58 \| good	9.187 \| good	0.158 \| good
2025-07-22T06:00:00.000Z	77 \| moderate	22.853 \| fine	84.706 \| fine	30.142 \| good	0.748 \| good	11.134 \| good	0.159 \| good
2025-07-22T07:00:00.000Z	90 \| moderate	29.578 \| fine	117.545 \| fine	27.817 \| good	0.626 \| good	10.632 \| good	0.13 \| good
2025-07-22T08:00:00.000Z	86 \| moderate	27.936 \| fine	111.851 \| fine	27.377 \| good	0.477 \| good	13.357 \| good	0.13 \| good
2025-07-22T09:00:00.000Z	81 \| moderate	24.866 \| fine	41.82 \| good	25.722 \| good	0.288 \| good	11.7 \| good	0.119 \| good
2025-07-22T10:00:00.000Z	66 \| moderate	16.52 \| fine	63.107 \| fine	22.955 \| good	0.334 \| good	10.338 \| good	0.13 \| good
2025-07-22T11:00:00.000Z	60 \| moderate	14.004 \| fine	59.617 \| fine	20.659 \| good	0.511 \| good	9.063 \| good	0.177 \| good
2025-07-22T12:00:00.000Z	73 \| moderate	20.766 \| fine	70.35 \| fine	17.972 \| good	0.56 \| good	7.462 \| good	0.177 \| good
2025-07-22T13:00:00.000Z	69 \| moderate	18.957 \| fine	76.639 \| fine	20.367 \| good	0.422 \| good	7.338 \| good	0.177 \| good
2025-07-22T14:00:00.000Z	81 \| moderate	24.999 \| fine	74.384 \| fine	20.556 \| good	0.816 \| good	4.507 \| good	0.187 \| good
2025-07-22T15:00:00.000Z	90 \| moderate	30.353 \| fine	101.864 \| fine	24.661 \| good	0.958 \| good	4.459 \| good	0.216 \| good
2025-07-22T16:00:00.000Z	94 \| moderate	32.408 \| fine	121.433 \| fine	32.553 \| good	1.245 \| good	3.332 \| good	0.204 \| good
2025-07-22T17:00:00.000Z	94 \| moderate	31.965 \| fine	139.01 \| fine	34.284 \| good	1.147 \| good	2.09 \| good	0.204 \| good
2025-07-22T18:00:00.000Z	90 \| moderate	29.888 \| fine	127.568 \| fine	35.169 \| good	1.098 \| good	2.139 \| good	0.185 \| good
2025-07-22T19:00:00.000Z	90 \| moderate	29.672 \| fine	129.49 \| fine	39.084 \| good	0.979 \| good	1.905 \| good	0.231 \| good
2025-07-22T19:00:00.000Z	90 \| moderate	29.672 \| fine	129.49 \| fine	39.084 \| good	0.979 \| good	1.905 \| good	0.231 \| good
2025-07-22T13:00:00.000Z	66 \| moderate	16.693 \| fine	74.04 \| fine	17.551 \| good	1.756 \| good	6.178 \| good	0.283 \| good
2025-07-22T14:00:00.000Z	67 \| moderate	18.114 \| fine	79.961 \| fine	20.97 \| good	1.627 \| good	4.734 \| good	0.268 \| good
2025-07-22T15:00:00.000Z	67 \| moderate	18.335 \| fine	81.255 \| fine	24.257 \| good	1.498 \| good	3.29 \| good	0.253 \| good
2025-07-22T16:00:00.000Z	69 \| moderate	19.091 \| fine	83.869 \| fine	27.878 \| good	1.336 \| good	2.659 \| good	0.24 \| good
2025-07-22T17:00:00.000Z	67 \| moderate	18.157 \| fine	79.789 \| fine	30.613 \| good	1.174 \| good	2.028 \| good	0.226 \| good
2025-07-22T18:00:00.000Z	62 \| moderate	14.503 \| fine	64.874 \| fine	37.134 \| good	1.011 \| good	1.397 \| good	0.213 \| good
2025-07-22T19:00:00.000Z	58 \| moderate	13.343 \| fine	60.434 \| fine	40.368 \| good	0.909 \| good	1.312 \| good	0.207 \| good
2025-07-22T20:00:00.000Z	60 \| moderate	13.864 \| fine	62.378 \| fine	42.216 \| good	0.806 \| good	1.227 \| good	0.201 \| good
2025-07-22T21:00:00.000Z	60 \| moderate	14.411 \| fine	64.861 \| fine	42.701 \| good	0.704 \| good	1.142 \| good	0.195 \| good
2025-07-22T22:00:00.000Z	58 \| moderate	13.475 \| fine	60.468 \| fine	40.531 \| good	0.704 \| good	1.656 \| good	0.197 \| good
2025-07-22T23:00:00.000Z	62 \| moderate	15.107 \| fine	67.374 \| fine	38.711 \| good	0.704 \| good	2.171 \| good	0.2 \| good
2025-07-23T00:00:00.000Z	60 \| moderate	13.854 \| fine	62.54 \| fine	38.077 \| good	0.705 \| good	2.685 \| good	0.203 \| good
2025-07-23T01:00:00.000Z	56 \| moderate	11.521 \| good	51.007 \| good	39.205 \| good	0.829 \| good	3.384 \| good	0.208 \| good
2025-07-23T02:00:00.000Z	56 \| moderate	12.055 \| good	53.822 \| good	34.367 \| good	0.953 \| good	4.082 \| good	0.214 \| good
2025-07-23T03:00:00.000Z	56 \| moderate	11.836 \| good	52.47 \| good	29.822 \| good	1.078 \| good	4.781 \| good	0.219 \| good
2025-07-23T04:00:00.000Z	56 \| moderate	11.833 \| good	52.262 \| good	28.146 \| good	1.107 \| good	4.897 \| good	0.221 \| good
2025-07-23T05:00:00.000Z	56 \| moderate	12.181 \| fine	54.741 \| good	27.041 \| good	1.135 \| good	5.013 \| good	0.223 \| good
2025-07-23T06:00:00.000Z	56 \| moderate	12.146 \| fine	54.789 \| good	25.636 \| good	1.164 \| good	5.129 \| good	0.225 \| good
2025-07-23T07:00:00.000Z	54 \| moderate	11.266 \| good	50.006 \| good	24.591 \| good	1.238 \| good	5.174 \| good	0.228 \| good
2025-07-23T08:00:00.000Z	54 \| moderate	10.768 \| good	47.953 \| good	24.046 \| good	1.313 \| good	5.218 \| good	0.23 \| good
2025-07-23T09:00:00.000Z	54 \| moderate	10.917 \| good	48.31 \| good	24.186 \| good	1.387 \| good	5.263 \| good	0.233 \| good
2025-07-23T10:00:00.000Z	54 \| moderate	10.644 \| good	47.395 \| good	23.057 \| good	1.515 \| good	4.856 \| good	0.236 \| good
2025-07-23T11:00:00.000Z	54 \| moderate	11.152 \| good	49.444 \| good	23.278 \| good	1.643 \| good	4.45 \| good	0.238 \| good
2025-07-23T12:00:00.000Z	56 \| moderate	11.747 \| good	51.642 \| good	24.642 \| good	1.771 \| good	4.043 \| good	0.241 \| good
2025-07-23T13:00:00.000Z	56 \| moderate	12.291 \| fine	55.678 \| fine	26.602 \| good	1.96 \| good	3.414 \| good	0.234 \| good
2025-07-23T14:00:00.000Z	56 \| moderate	12.312 \| fine	55.627 \| fine	28.698 \| good	2.148 \| good	2.785 \| good	0.227 \| good
2025-07-23T15:00:00.000Z	56 \| moderate	11.865 \| good	52.513 \| good	33.388 \| good	2.337 \| good	2.156 \| good	0.221 \| good
2025-07-23T16:00:00.000Z	54 \| moderate	11.362 \| good	50.351 \| good	36.751 \| good	1.971 \| good	1.747 \| good	0.21 \| good
2025-07-23T17:00:00.000Z	54 \| moderate	10.617 \| good	47.254 \| good	37.834 \| good	1.605 \| good	1.338 \| good	0.2 \| good
2025-07-23T18:00:00.000Z	52 \| moderate	9.573 \| good	42.772 \| good	39.006 \| good	1.239 \| good	0.928 \| good	0.189 \| good
2025-07-23T19:00:00.000Z	49 \| good	8.791 \| good	38.39 \| good	39.324 \| good	1.143 \| good	0.94 \| good	0.187 \| good
2025-07-23T20:00:00.000Z	49 \| good	9.449 \| good	41.874 \| good	39.156 \| good	1.048 \| good	0.952 \| good	0.185 \| good
2025-07-23T21:00:00.000Z	54 \| moderate	10.822 \| good	47.935 \| good	39.704 \| good	0.952 \| good	0.964 \| good	0.182 \| good
2025-07-23T22:00:00.000Z	54 \| moderate	11.406 \| good	50.358 \| good	39.682 \| good	0.883 \| good	1.527 \| good	0.187 \| good
2025-07-23T23:00:00.000Z	56 \| moderate	12.147 \| fine	54.267 \| good	36.432 \| good	0.814 \| good	2.089 \| good	0.192 \| good
2025-07-24T00:00:00.000Z	54 \| moderate	11.106 \| good	49.395 \| good	32.356 \| good	0.745 \| good	2.652 \| good	0.198 \| good
2025-07-24T01:00:00.000Z	52 \| moderate	9.759 \| good	43.28 \| good	33.711 \| good	0.774 \| good	3.432 \| good	0.202 \| good
2025-07-24T02:00:00.000Z	49 \| good	8.84 \| good	38.879 \| good	32.826 \| good	0.803 \| good	4.213 \| good	0.207 \| good
2025-07-24T03:00:00.000Z	49 \| good	8.513 \| good	37.593 \| good	29.696 \| good	0.832 \| good	4.994 \| good	0.211 \| good
2025-07-24T04:00:00.000Z	52 \| moderate	9.997 \| good	44.262 \| good	26.938 \| good	0.82 \| good	5.086 \| good	0.212 \| good
2025-07-24T05:00:00.000Z	54 \| moderate	10.942 \| good	48.441 \| good	28.846 \| good	0.808 \| good	5.179 \| good	0.213 \| good
2025-07-24T06:00:00.000Z	36 \| good	3.152 \| good	3.997 \| good	38.556 \| good	0.789 \| good	5.254 \| good	0.214 \| good
2025-07-24T07:00:00.000Z	52 \| moderate	10.064 \| good	44.499 \| good	28.658 \| good	0.823 \| good	4.955 \| good	0.213 \| good
2025-07-24T08:00:00.000Z	54 \| moderate	10.577 \| good	47.053 \| good	25.486 \| good	0.85 \| good	4.637 \| good	0.212 \| good
2025-07-24T09:00:00.000Z	54 \| moderate	10.902 \| good	48.116 \| good	23.004 \| good	0.878 \| good	4.32 \| good	0.21 \| good
2025-07-24T10:00:00.000Z	52 \| moderate	9.992 \| good	44.424 \| good	22.784 \| good	0.868 \| good	4.115 \| good	0.21 \| good
2025-07-24T11:00:00.000Z	52 \| moderate	9.79 \| good	43.183 \| good	19.856 \| good	0.859 \| good	3.909 \| good	0.209 \| good
2025-07-24T12:00:00.000Z	33 \| good	3.431 \| good	4.725 \| good	36.397 \| good	0.842 \| good	3.687 \| good	0.209 \| 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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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?