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

The PM10 concentration in Darien, Illinois is 15.72 μg/m3 at the moment.

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

Currently, Darien, Illinois has a sulfur dioxide (SO2) concentration of 1.917 ppb.

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

The current ozone (O3) level in Darien, Illinois at the moment is 23.923 ppm.

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

Nitrogen dioxide (NO2) level in Darien, Illinois at the moment is 12.415 ppb.

Live air quality index in Darien, Illinois today

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

PM2.5 levels in Darien, Illinois are currently 3.583 μg/m3.

Stay updated with real-time air quality in Darien, 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

Darien, Illinois

Last updated: ... (Local time)

Major air pollutants in Darien, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.58 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

15.72 μg/m³

155

255

425

605+

Ozone (O₃)

23.92 ppb

201

201+

Sulfur Dioxide (SO₂)

1.92 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

12.41 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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Darien, Illinois

Scroll To Air Quality Map

Track live Darien, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-23T01:00:00.000Z	17 \| good	1.789 \| good	7.783 \| good	17.943 \| good	0.458 \| good	7.586 \| good	0.217 \| good
2025-10-23T02:00:00.000Z	18 \| good	1.773 \| good	8.924 \| good	18.821 \| good	0.526 \| good	9.674 \| good	0.238 \| good
2025-10-23T03:00:00.000Z	16 \| good	1.599 \| good	7.234 \| good	17.424 \| good	0.661 \| good	8.499 \| good	0.238 \| good
2025-10-23T04:00:00.000Z	16 \| good	1.665 \| good	7.62 \| good	17.076 \| good	0.661 \| good	8.511 \| good	0.238 \| good
2025-10-23T05:00:00.000Z	15 \| good	1.553 \| good	6.904 \| good	15.841 \| good	1.223 \| good	9.772 \| good	0.295 \| good
2025-10-23T06:00:00.000Z	14 \| good	1.572 \| good	7.502 \| good	15.362 \| good	0.826 \| good	8.889 \| good	0.263 \| good
2025-10-23T07:00:00.000Z	13 \| good	1.705 \| good	7.371 \| good	14.07 \| good	0.668 \| good	11.803 \| good	0.247 \| good
2025-10-23T08:00:00.000Z	12 \| good	1.811 \| good	7.415 \| good	13.493 \| good	1.059 \| good	10.023 \| good	0.231 \| good
2025-10-23T09:00:00.000Z	11 \| good	2.041 \| good	8.291 \| good	10.848 \| good	0.777 \| good	8.394 \| good	0.199 \| good
2025-10-23T10:00:00.000Z	11 \| good	2.445 \| good	9.623 \| good	8.877 \| good	0.608 \| good	9.94 \| good	0.215 \| good
2025-10-23T11:00:00.000Z	16 \| good	2.869 \| good	11.975 \| good	7.988 \| good	0.647 \| good	10.169 \| good	0.266 \| good
2025-10-23T12:00:00.000Z	16 \| good	2.838 \| good	12.754 \| good	6.253 \| good	0.641 \| good	10.082 \| good	0.299 \| good
2025-10-23T13:00:00.000Z	16 \| good	3.075 \| good	13.701 \| good	4.953 \| good	0.743 \| good	11.102 \| good	0.314 \| good
2025-10-23T14:00:00.000Z	22 \| good	3.685 \| good	15.69 \| good	5.233 \| good	0.796 \| good	12.259 \| good	0.381 \| good
2025-10-23T15:00:00.000Z	22 \| good	3.857 \| good	16.836 \| good	7.454 \| good	0.772 \| good	8.838 \| good	0.264 \| good
2025-10-23T16:00:00.000Z	16 \| good	3.465 \| good	15.767 \| good	10.319 \| good	1.539 \| good	7.046 \| good	0.245 \| good
2025-10-23T17:00:00.000Z	16 \| good	3.353 \| good	14.76 \| good	11.586 \| good	1.297 \| good	4.985 \| good	0.23 \| good
2025-10-23T18:00:00.000Z	17 \| good	3.224 \| good	13.547 \| good	17.723 \| good	0.914 \| good	4.457 \| good	0.192 \| good
2025-10-23T19:00:00.000Z	17 \| good	2.865 \| good	12.479 \| good	18.497 \| good	1.022 \| good	4.347 \| good	0.224 \| good
2025-10-23T20:00:00.000Z	19 \| good	2.212 \| good	9.336 \| good	21.105 \| good	0.936 \| good	5.007 \| good	0.277 \| good
2025-10-23T21:00:00.000Z	20 \| good	2.101 \| good	8.385 \| good	22.35 \| good	0.912 \| good	4.229 \| good	0.256 \| good
2025-10-23T22:00:00.000Z	22 \| good	2.052 \| good	8.276 \| good	24.446 \| good	0.928 \| good	3.638 \| good	0.277 \| good
2025-10-23T23:00:00.000Z	23 \| good	2.03 \| good	8.551 \| good	25.362 \| good	0.809 \| good	2.85 \| good	0.256 \| good
2025-10-24T00:00:00.000Z	24 \| good	2.083 \| good	11.915 \| good	25.987 \| good	0.934 \| good	7.105 \| good	0.272 \| good
2025-10-24T01:00:00.000Z	22 \| good	2.789 \| good	14.31 \| good	23.677 \| good	1.786 \| good	10.217 \| good	0.287 \| good
2025-10-24T02:00:00.000Z	18 \| good	3.263 \| good	15.892 \| good	18.544 \| good	1.185 \| good	15.883 \| good	0.333 \| good
2025-10-24T03:00:00.000Z	27 \| good	5.17 \| good	22.016 \| good	6.458 \| good	1.101 \| good	14.77 \| good	0.195 \| good
2025-10-24T04:00:00.000Z	22 \| good	3.891 \| good	19.955 \| good	10.439 \| good	1.243 \| good	20.324 \| good	0.292 \| good
2025-10-24T05:00:00.000Z	22 \| good	4.015 \| good	18.185 \| good	7.642 \| good	1.036 \| good	15.878 \| good	0.321 \| good
2025-10-24T06:00:00.000Z	27 \| good	4.52 \| good	21.547 \| good	3.115 \| good	1.039 \| good	15.822 \| good	0.336 \| good
2025-10-24T07:00:00.000Z	27 \| good	4.672 \| good	19.941 \| good	5.327 \| good	1.269 \| good	13.66 \| good	0.35 \| good
2025-10-24T08:00:00.000Z	27 \| good	4.674 \| good	18.218 \| good	4.529 \| good	1.236 \| good	12.721 \| good	0.321 \| good
2025-10-24T09:00:00.000Z	27 \| good	4.588 \| good	18.289 \| good	3.517 \| good	0.904 \| good	12.111 \| good	0.328 \| good
2025-10-24T10:00:00.000Z	27 \| good	4.562 \| good	19.479 \| good	2.642 \| good	1.137 \| good	15.579 \| good	0.351 \| good
2025-10-24T11:00:00.000Z	27 \| good	4.786 \| good	22.927 \| good	3.804 \| good	1.187 \| good	15.112 \| good	0.288 \| good
2025-10-24T12:00:00.000Z	27 \| good	4.746 \| good	23.594 \| good	1.811 \| good	1.102 \| good	14.34 \| good	0.33 \| good
2025-10-24T13:00:00.000Z	27 \| good	4.557 \| good	19.669 \| good	3.089 \| good	1.027 \| good	15.345 \| good	0.34 \| good
2025-10-24T14:00:00.000Z	27 \| good	5.333 \| good	25.245 \| good	3.025 \| good	1.164 \| good	16.7 \| good	0.551 \| good
2025-10-24T15:00:00.000Z	33 \| good	5.837 \| good	29.996 \| good	4.624 \| good	1.474 \| good	16.6 \| good	0.27 \| good
2025-10-24T16:00:00.000Z	27 \| good	4.768 \| good	20.454 \| good	5.841 \| good	3.66 \| good	14.394 \| good	0.2 \| good
2025-10-24T17:00:00.000Z	22 \| good	3.971 \| good	18.465 \| good	11.214 \| good	1.04 \| good	6.867 \| good	0.195 \| good
2025-10-24T18:00:00.000Z	22 \| good	3.93 \| good	18.065 \| good	13.896 \| good	0.874 \| good	3.467 \| good	0.224 \| good
2025-10-24T19:00:00.000Z	16 \| good	3.397 \| good	15.482 \| good	16.962 \| good	0.967 \| good	4.555 \| good	0.266 \| good
2025-10-24T20:00:00.000Z	18 \| good	3.275 \| good	13.934 \| good	19.152 \| good	0.776 \| good	4.514 \| good	0.272 \| good
2025-10-24T21:00:00.000Z	19 \| good	3.336 \| good	15.539 \| good	21.407 \| good	0.827 \| good	5.019 \| good	0.234 \| good
2025-10-24T22:00:00.000Z	22 \| good	3.614 \| good	17.223 \| good	22.688 \| good	1.078 \| good	9.651 \| good	0.202 \| good
2025-10-24T23:00:00.000Z	22 \| good	3.583 \| good	15.72 \| good	23.923 \| good	1.917 \| good	12.415 \| good	0.24 \| good
2025-10-25T00:00:00.000Z	27 \| good	5.385 \| good	20.307 \| good	23.038 \| good	1.756 \| good	12.458 \| good	0.269 \| good
2025-10-25T00:00:00.000Z	22 \| good	3.583 \| good	15.72 \| good	23.923 \| good	1.917 \| good	12.415 \| good	0.24 \| good
2025-10-25T01:00:00.000Z	58 \| moderate	13.331 \| fine	60.539 \| fine	5.75 \| good	2.929 \| good	28.113 \| good	0.317 \| good
2025-10-25T02:00:00.000Z	60 \| moderate	14.138 \| fine	62.891 \| fine	3.19 \| good	3.039 \| good	27.68 \| good	0.297 \| good
2025-10-25T03:00:00.000Z	60 \| moderate	14.457 \| fine	64.935 \| fine	2.457 \| good	3.15 \| good	27.248 \| good	0.277 \| good
2025-10-25T04:00:00.000Z	64 \| moderate	16.048 \| fine	71.001 \| fine	1.366 \| good	2.965 \| good	25.577 \| good	0.262 \| good
2025-10-25T05:00:00.000Z	62 \| moderate	14.588 \| fine	65.086 \| fine	0.605 \| good	2.781 \| good	23.906 \| good	0.246 \| good
2025-10-25T06:00:00.000Z	58 \| moderate	13.014 \| fine	58.897 \| fine	1.958 \| good	2.596 \| good	22.235 \| good	0.231 \| good
2025-10-25T07:00:00.000Z	52 \| moderate	9.655 \| good	43.093 \| good	3.469 \| good	2.407 \| good	19.808 \| good	0.217 \| good
2025-10-25T08:00:00.000Z	38 \| good	7.427 \| good	32.242 \| good	4.179 \| good	2.218 \| good	17.382 \| good	0.204 \| good
2025-10-25T09:00:00.000Z	33 \| good	5.599 \| good	24.157 \| good	4.612 \| good	2.028 \| good	14.956 \| good	0.19 \| good
2025-10-25T10:00:00.000Z	33 \| good	6.042 \| good	27.062 \| good	4.291 \| good	2.078 \| good	15.369 \| good	0.196 \| good
2025-10-25T11:00:00.000Z	33 \| good	6.421 \| good	28.946 \| good	2.136 \| good	2.128 \| good	15.782 \| good	0.202 \| good
2025-10-25T12:00:00.000Z	38 \| good	6.909 \| good	30.961 \| good	2.255 \| good	2.178 \| good	16.194 \| good	0.208 \| good
2025-10-25T13:00:00.000Z	44 \| good	7.663 \| good	34.054 \| good	6.861 \| good	2.373 \| good	14.57 \| good	0.218 \| good
2025-10-25T14:00:00.000Z	44 \| good	7.582 \| good	33.156 \| good	13.963 \| good	2.567 \| good	12.946 \| good	0.229 \| good
2025-10-25T15:00:00.000Z	44 \| good	7.608 \| good	33.852 \| good	17.622 \| good	2.761 \| good	11.321 \| good	0.239 \| good
2025-10-25T16:00:00.000Z	49 \| good	8.981 \| good	40.746 \| good	17.956 \| good	2.96 \| good	9.308 \| good	0.219 \| good
2025-10-25T17:00:00.000Z	56 \| moderate	12.227 \| fine	54.957 \| good	15.948 \| good	3.159 \| good	7.295 \| good	0.198 \| good
2025-10-25T18:00:00.000Z	60 \| moderate	14.193 \| fine	63.112 \| fine	14.22 \| good	3.358 \| good	5.283 \| good	0.177 \| good
2025-10-25T19:00:00.000Z	62 \| moderate	14.675 \| fine	65.184 \| fine	14.247 \| good	3.367 \| good	5.773 \| good	0.179 \| good
2025-10-25T20:00:00.000Z	64 \| moderate	15.617 \| fine	69.218 \| fine	16.234 \| good	3.377 \| good	6.264 \| good	0.181 \| good
2025-10-25T21:00:00.000Z	64 \| moderate	15.539 \| fine	69.013 \| fine	15.08 \| good	3.386 \| good	6.755 \| good	0.183 \| good
2025-10-25T22:00:00.000Z	56 \| moderate	11.771 \| good	52.128 \| good	15.327 \| good	3.326 \| good	12.666 \| good	0.222 \| good
2025-10-25T23:00:00.000Z	52 \| moderate	10.086 \| good	44.953 \| good	16.456 \| good	3.267 \| good	18.578 \| good	0.26 \| good
2025-10-26T00:00:00.000Z	52 \| moderate	9.984 \| good	44.114 \| good	19.282 \| good	3.207 \| good	24.489 \| good	0.299 \| good
2025-10-26T01:00:00.000Z	49 \| good	8.822 \| good	38.991 \| good	19.14 \| good	3.054 \| good	23.74 \| good	0.287 \| good
2025-10-26T02:00:00.000Z	49 \| good	9.281 \| good	41.68 \| good	17.957 \| good	2.901 \| good	22.99 \| good	0.275 \| good
2025-10-26T03:00:00.000Z	54 \| moderate	10.551 \| good	46.812 \| good	16.199 \| good	2.748 \| good	22.241 \| good	0.263 \| good
2025-10-26T04:00:00.000Z	54 \| moderate	11.066 \| good	49.007 \| good	18.927 \| good	2.521 \| good	20.058 \| good	0.253 \| good
2025-10-26T05:00:00.000Z	54 \| moderate	10.714 \| good	47.968 \| good	24.045 \| good	2.294 \| good	17.875 \| good	0.242 \| good
2025-10-26T06:00:00.000Z	49 \| good	9.365 \| good	41.97 \| good	25.221 \| good	2.068 \| good	15.692 \| good	0.232 \| good
2025-10-26T07:00:00.000Z	54 \| moderate	11.451 \| good	50.919 \| good	20.327 \| good	2.09 \| good	14.475 \| good	0.228 \| good
2025-10-26T08:00:00.000Z	58 \| moderate	13.32 \| fine	60.628 \| fine	16.215 \| good	2.111 \| good	13.258 \| good	0.224 \| good
2025-10-26T09:00:00.000Z	60 \| moderate	13.985 \| fine	62.819 \| fine	13.111 \| good	2.133 \| good	12.041 \| good	0.22 \| good
2025-10-26T10:00:00.000Z	64 \| moderate	16.43 \| fine	72.969 \| fine	9.853 \| good	2.479 \| good	13.113 \| good	0.228 \| good
2025-10-26T11:00:00.000Z	64 \| moderate	15.949 \| fine	70.904 \| fine	7.239 \| good	2.824 \| good	14.185 \| good	0.236 \| good
2025-10-26T12:00:00.000Z	62 \| moderate	15.437 \| fine	68.933 \| fine	7.686 \| good	3.17 \| good	15.257 \| good	0.244 \| good
2025-10-26T13:00:00.000Z	62 \| moderate	15.439 \| fine	69.006 \| fine	8.535 \| good	3.666 \| good	13.582 \| good	0.252 \| good
2025-10-26T14:00:00.000Z	64 \| moderate	16.472 \| fine	73.01 \| fine	11.611 \| good	4.163 \| good	11.907 \| good	0.261 \| good
2025-10-26T15:00:00.000Z	60 \| moderate	14.226 \| fine	63.075 \| fine	19.289 \| good	4.66 \| good	10.232 \| good	0.269 \| good
2025-10-26T16:00:00.000Z	56 \| moderate	11.865 \| good	52.206 \| good	25.867 \| good	4.697 \| good	8.509 \| good	0.241 \| good
2025-10-26T17:00:00.000Z	54 \| moderate	11.187 \| good	49.111 \| good	27.735 \| good	4.734 \| good	6.786 \| good	0.213 \| good
2025-10-26T18:00:00.000Z	52 \| moderate	9.796 \| good	43.216 \| good	35.581 \| good	4.771 \| good	5.062 \| good	0.185 \| good
2025-10-26T19:00:00.000Z	44 \| good	8.058 \| good	35.122 \| good	34.871 \| good	4.182 \| good	4.914 \| good	0.18 \| good
2025-10-26T20:00:00.000Z	44 \| good	8.5 \| good	37.114 \| good	36.043 \| good	3.593 \| good	4.766 \| good	0.175 \| good
2025-10-26T21:00:00.000Z	49 \| good	8.854 \| good	39.125 \| good	37.07 \| good	3.004 \| good	4.618 \| good	0.17 \| good
2025-10-26T22:00:00.000Z	52 \| moderate	10.168 \| good	45.047 \| good	33.153 \| good	2.7 \| good	7.619 \| good	0.186 \| good
2025-10-26T23:00:00.000Z	54 \| moderate	11.4 \| good	50.784 \| good	25.609 \| good	2.397 \| good	10.62 \| good	0.202 \| good
2025-10-27T00:00:00.000Z	54 \| moderate	10.947 \| good	11.086 \| good	26.494 \| good	2.083 \| good	13.553 \| good	0.218 \| good

Darien

Get reliable air quality data to drive your business

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

0.24ppm

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 Darien, Illinois?

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

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

In the past 24 hours, the air quality in Darien, Illinois was at its worst at 03:00:00 on 2025-10-24.

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

In the last 24 hours, the best air quality in Darien, Illinois was observed at 07:00:00 on 2025-10-24.

What is the AQI in Darien, Illinois right now?

As of now, the AQI in Darien, Illinois is 22, indicating Good conditions.

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

Darien, Illinois air has the highest levels of O3.

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

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

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

PM_2.5 levels in Darien, Illinois are currently 3.583 μg/m³.

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

The PM₁₀ concentration in Darien, Illinois is 15.72 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Darien, Illinois is 0.24 ppm.

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

Currently, Darien, Illinois has a sulfur dioxide (SO₂) concentration of 1.917 ppb.

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

The current ozone (O₃) level in Darien, Illinois at the moment is 23.923 ppm.

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

Nitrogen dioxide (NO₂) level in Darien, Illinois at the moment is 12.415 ppb.

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