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

The PM10 concentration in Darien, Illinois is 42.588 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 0.449 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 18.501 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 4.428 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 9.593 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)

Moderate

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)

9.59 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

42.59 μg/m³

155

255

425

605+

Ozone (O₃)

18.50 ppb

201

201+

Sulfur Dioxide (SO₂)

0.45 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.43 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.18 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
2026-04-25T21:00:00.000Z	33 \| good	5.959 \| good	26.833 \| good	33.481 \| good	0.4 \| good	2.135 \| good	0.178 \| good
2026-04-25T22:00:00.000Z	33 \| good	5.465 \| good	23.521 \| good	36.062 \| good	0.595 \| good	1.823 \| good	0.161 \| good
2026-04-25T23:00:00.000Z	31 \| good	5.357 \| good	23.39 \| good	34.447 \| good	0.595 \| good	2.05 \| good	0.192 \| good
2026-04-26T00:00:00.000Z	33 \| good	5.597 \| good	24.205 \| good	35.074 \| good	0.542 \| good	2.143 \| good	0.161 \| good
2026-04-26T01:00:00.000Z	33 \| good	6.106 \| good	27.557 \| good	36.272 \| good	0.383 \| good	6.313 \| good	0.21 \| good
2026-04-26T02:00:00.000Z	38 \| good	6.877 \| good	30.963 \| good	38.916 \| good	0.449 \| good	9.395 \| good	0.21 \| good
2026-04-26T03:00:00.000Z	38 \| good	7.012 \| good	30.804 \| good	33.741 \| good	0.401 \| good	8.518 \| good	0.239 \| good
2026-04-26T04:00:00.000Z	38 \| good	7.012 \| good	30.804 \| good	30.274 \| good	0.393 \| good	7.677 \| good	0.224 \| good
2026-04-26T05:00:00.000Z	33 \| good	5.949 \| good	26.385 \| good	32.104 \| good	0.401 \| good	7.161 \| good	0.192 \| good
2026-04-26T06:00:00.000Z	33 \| good	5.949 \| good	26.385 \| good	29.101 \| good	0.382 \| good	5.294 \| good	0.192 \| good
2026-04-26T07:00:00.000Z	33 \| good	5.865 \| good	17.329 \| good	30.014 \| good	0.583 \| good	3.294 \| good	0.178 \| good
2026-04-26T08:00:00.000Z	54 \| moderate	10.878 \| good	17.477 \| good	27.726 \| good	0.472 \| good	2.738 \| good	0.147 \| good
2026-04-26T09:00:00.000Z	60 \| moderate	14.141 \| fine	17.568 \| good	24.069 \| good	0.503 \| good	2.471 \| good	0.161 \| good
2026-04-26T10:00:00.000Z	58 \| moderate	13.115 \| fine	17.818 \| good	26.102 \| good	0.415 \| good	6.369 \| good	0.161 \| good
2026-04-26T11:00:00.000Z	56 \| moderate	11.59 \| good	51.69 \| good	23.566 \| good	0.578 \| good	8.008 \| good	0.147 \| good
2026-04-26T12:00:00.000Z	69 \| moderate	18.869 \| fine	82.937 \| fine	22.396 \| good	0.628 \| good	3.462 \| good	0.147 \| good
2026-04-26T13:00:00.000Z	77 \| moderate	22.857 \| fine	100.043 \| fine	21.605 \| good	0.597 \| good	3.385 \| good	0.147 \| good
2026-04-26T14:00:00.000Z	82 \| moderate	26.452 \| fine	115.214 \| fine	25.352 \| good	0.636 \| good	1.465 \| good	0.164 \| good
2026-04-26T15:00:00.000Z	75 \| moderate	22.379 \| fine	97.748 \| fine	28.084 \| good	0.712 \| good	1.186 \| good	0.147 \| good
2026-04-26T16:00:00.000Z	75 \| moderate	22.379 \| fine	97.748 \| fine	30.748 \| good	0.763 \| good	1.524 \| good	0.147 \| good
2026-04-26T17:00:00.000Z	66 \| moderate	16.914 \| fine	75.224 \| fine	30.843 \| good	0.926 \| good	1.725 \| good	0.161 \| good
2026-04-26T18:00:00.000Z	67 \| moderate	17.993 \| fine	79.487 \| fine	32.89 \| good	2.295 \| good	1.355 \| good	0.161 \| good
2026-04-26T19:00:00.000Z	67 \| moderate	17.692 \| fine	79.223 \| fine	36.447 \| good	2.281 \| good	1.451 \| good	0.147 \| good
2026-04-26T20:00:00.000Z	66 \| moderate	16.593 \| fine	73.635 \| fine	36.678 \| good	2.615 \| good	1.397 \| good	0.147 \| good
2026-04-26T21:00:00.000Z	66 \| moderate	16.574 \| fine	73.568 \| fine	39.342 \| good	2.532 \| good	1.373 \| good	0.147 \| good
2026-04-26T22:00:00.000Z	64 \| moderate	15.897 \| fine	70.205 \| fine	39.637 \| good	1.793 \| good	1.973 \| good	0.161 \| good
2026-04-26T23:00:00.000Z	64 \| moderate	15.515 \| fine	68.646 \| fine	39.424 \| good	0.985 \| good	3.69 \| good	0.161 \| good
2026-04-27T00:00:00.000Z	64 \| moderate	15.629 \| fine	69.193 \| fine	40.953 \| good	0.734 \| good	5.443 \| good	0.161 \| good
2026-04-27T01:00:00.000Z	64 \| moderate	15.629 \| fine	69.193 \| fine	39.674 \| good	0.475 \| good	5.27 \| good	0.161 \| good
2026-04-27T02:00:00.000Z	64 \| moderate	15.922 \| fine	70.7 \| fine	40.05 \| good	0.581 \| good	8.262 \| good	0.18 \| good
2026-04-27T03:00:00.000Z	38 \| good	7.285 \| good	31.832 \| good	33.213 \| good	1.363 \| good	11.239 \| good	0.215 \| good
2026-04-27T04:00:00.000Z	64 \| moderate	15.828 \| fine	69.901 \| fine	36.22 \| good	0.636 \| good	10.135 \| good	0.161 \| good
2026-04-27T05:00:00.000Z	64 \| moderate	15.732 \| fine	69.529 \| fine	33.977 \| good	2.635 \| good	3.609 \| good	0.206 \| good
2026-04-27T06:00:00.000Z	64 \| moderate	15.743 \| fine	69.489 \| fine	32.349 \| good	1.862 \| good	1.996 \| good	0.161 \| good
2026-04-27T07:00:00.000Z	64 \| moderate	15.743 \| fine	28.919 \| good	28.867 \| good	0.655 \| good	3.144 \| good	0.161 \| good
2026-04-27T08:00:00.000Z	64 \| moderate	15.687 \| fine	28.757 \| good	28.147 \| good	0.374 \| good	2.44 \| good	0.161 \| good
2026-04-27T09:00:00.000Z	60 \| moderate	14.39 \| fine	27.703 \| good	30.881 \| good	0.378 \| good	1.819 \| good	0.161 \| good
2026-04-27T10:00:00.000Z	60 \| moderate	14.39 \| fine	27.703 \| good	29.122 \| good	0.332 \| good	2.279 \| good	0.161 \| good
2026-04-27T11:00:00.000Z	58 \| moderate	13.3 \| fine	59.508 \| fine	28.622 \| good	0.436 \| good	2.414 \| good	0.161 \| good
2026-04-27T12:00:00.000Z	58 \| moderate	13.3 \| fine	59.508 \| fine	27.365 \| good	0.44 \| good	2.958 \| good	0.161 \| good
2026-04-27T13:00:00.000Z	58 \| moderate	13.053 \| fine	57.933 \| fine	24.056 \| good	0.548 \| good	3.486 \| good	0.161 \| good
2026-04-27T14:00:00.000Z	58 \| moderate	12.88 \| fine	57.828 \| fine	25.533 \| good	0.489 \| good	3.496 \| good	0.18 \| good
2026-04-27T15:00:00.000Z	58 \| moderate	12.729 \| fine	57.937 \| fine	23.809 \| good	0.487 \| good	3.544 \| good	0.18 \| good
2026-04-27T16:00:00.000Z	58 \| moderate	13.08 \| fine	57.987 \| fine	22.679 \| good	0.534 \| good	3.356 \| good	0.18 \| good
2026-04-27T17:00:00.000Z	58 \| moderate	13.08 \| fine	57.987 \| fine	22.245 \| good	0.529 \| good	3.559 \| good	0.18 \| good
2026-04-27T18:00:00.000Z	58 \| moderate	13.004 \| fine	58.068 \| fine	21.013 \| good	0.553 \| good	3.942 \| good	0.18 \| good
2026-04-27T19:00:00.000Z	66 \| moderate	17.382 \| fine	76.202 \| fine	19.537 \| good	0.442 \| good	4.406 \| good	0.18 \| good
2026-04-27T20:00:00.000Z	52 \| moderate	9.593 \| good	42.588 \| good	18.501 \| good	0.449 \| good	4.428 \| good	0.179 \| good
2026-04-27T21:00:00.000Z	49 \| good	9.305 \| good	41.694 \| good	37.391 \| good	1.574 \| good	4.487 \| good	0.176 \| good
2026-04-27T22:00:00.000Z	44 \| good	8.099 \| good	35.568 \| good	41.052 \| good	1.298 \| good	4.789 \| good	0.175 \| good
2026-04-27T23:00:00.000Z	44 \| good	8.346 \| good	36.624 \| good	44.399 \| good	1.022 \| good	5.091 \| good	0.173 \| good
2026-04-28T00:00:00.000Z	47 \| good	8.333 \| good	36.742 \| good	51.407 \| good	0.746 \| good	5.392 \| good	0.171 \| good
2026-04-28T01:00:00.000Z	54 \| moderate	8.325 \| good	36.58 \| good	55.708 \| fine	0.669 \| good	5.185 \| good	0.167 \| good
2026-04-28T02:00:00.000Z	50 \| good	8.055 \| good	35.126 \| good	53.519 \| good	0.592 \| good	4.977 \| good	0.162 \| good
2026-04-28T03:00:00.000Z	50 \| good	7.286 \| good	31.913 \| good	54.473 \| good	0.515 \| good	4.769 \| good	0.157 \| good
2026-04-28T04:00:00.000Z	49 \| good	7.268 \| good	31.913 \| good	52.752 \| good	0.51 \| good	4.394 \| good	0.155 \| good
2026-04-28T05:00:00.000Z	46 \| good	7.484 \| good	32.856 \| good	50.414 \| good	0.506 \| good	4.02 \| good	0.153 \| good
2026-04-28T06:00:00.000Z	47 \| good	6.311 \| good	27.966 \| good	51.055 \| good	0.501 \| good	3.646 \| good	0.151 \| good
2026-04-28T07:00:00.000Z	44 \| good	5.569 \| good	24.219 \| good	46.736 \| good	0.48 \| good	3.344 \| good	0.152 \| good
2026-04-28T08:00:00.000Z	39 \| good	5.703 \| good	24.906 \| good	41.984 \| good	0.459 \| good	3.042 \| good	0.152 \| good
2026-04-28T09:00:00.000Z	38 \| good	6.854 \| good	30.262 \| good	32.477 \| good	0.438 \| good	2.74 \| good	0.153 \| good
2026-04-28T10:00:00.000Z	54 \| moderate	10.731 \| good	47.605 \| good	35.04 \| good	0.447 \| good	2.756 \| good	0.152 \| good
2026-04-28T11:00:00.000Z	52 \| moderate	9.866 \| good	44.021 \| good	30.581 \| good	0.455 \| good	2.773 \| good	0.152 \| good
2026-04-28T12:00:00.000Z	54 \| moderate	10.859 \| good	48.107 \| good	28.361 \| good	0.464 \| good	2.79 \| good	0.152 \| good
2026-04-28T13:00:00.000Z	52 \| moderate	10.398 \| good	45.799 \| good	25.392 \| good	0.539 \| good	2.679 \| good	0.153 \| good
2026-04-28T14:00:00.000Z	49 \| good	9.379 \| good	41.651 \| good	27.638 \| good	0.614 \| good	2.569 \| good	0.154 \| good
2026-04-28T15:00:00.000Z	44 \| good	8.187 \| good	36.171 \| good	31.912 \| good	0.689 \| good	2.459 \| good	0.155 \| good
2026-04-28T16:00:00.000Z	38 \| good	7.375 \| good	32.638 \| good	36.546 \| good	0.663 \| good	2.214 \| good	0.154 \| good
2026-04-28T17:00:00.000Z	44 \| good	8.369 \| good	36.927 \| good	39.907 \| good	0.637 \| good	1.969 \| good	0.153 \| good
2026-04-28T18:00:00.000Z	52 \| moderate	10.016 \| good	44.608 \| good	44.212 \| good	0.611 \| good	1.724 \| good	0.152 \| good
2026-04-28T19:00:00.000Z	44 \| good	8.235 \| good	36.202 \| good	44.484 \| good	0.646 \| good	1.837 \| good	0.152 \| good
2026-04-28T20:00:00.000Z	49 \| good	8.838 \| good	38.923 \| good	46.935 \| good	0.681 \| good	1.95 \| good	0.151 \| good
2026-04-28T21:00:00.000Z	52 \| moderate	10.004 \| good	44.722 \| good	46.403 \| good	0.715 \| good	2.062 \| good	0.151 \| good
2026-04-28T22:00:00.000Z	54 \| moderate	10.696 \| good	47.258 \| good	45.68 \| good	0.765 \| good	4.237 \| good	0.161 \| good
2026-04-28T23:00:00.000Z	52 \| moderate	10.22 \| good	45.482 \| good	43.693 \| good	0.816 \| good	6.412 \| good	0.171 \| good
2026-04-29T00:00:00.000Z	54 \| moderate	10.692 \| good	47.535 \| good	33.138 \| good	0.866 \| good	8.587 \| good	0.181 \| good
2026-04-29T01:00:00.000Z	62 \| moderate	15.283 \| fine	68.166 \| fine	22.503 \| good	1.052 \| good	12.738 \| good	0.2 \| good
2026-04-29T02:00:00.000Z	66 \| moderate	17.029 \| fine	75.98 \| fine	20.659 \| good	1.238 \| good	16.889 \| good	0.22 \| good
2026-04-29T03:00:00.000Z	66 \| moderate	17.17 \| fine	76.194 \| fine	22.774 \| good	1.425 \| good	21.04 \| good	0.239 \| good
2026-04-29T04:00:00.000Z	60 \| moderate	14.334 \| fine	64.171 \| fine	25.214 \| good	1.515 \| good	20.992 \| good	0.239 \| good
2026-04-29T05:00:00.000Z	62 \| moderate	14.623 \| fine	65.154 \| fine	20.735 \| good	1.606 \| good	20.944 \| good	0.238 \| good
2026-04-29T06:00:00.000Z	66 \| moderate	17.26 \| fine	76.438 \| fine	17.994 \| good	1.697 \| good	20.896 \| good	0.238 \| good
2026-04-29T07:00:00.000Z	60 \| moderate	13.662 \| fine	61.685 \| fine	29.656 \| good	1.691 \| good	20.454 \| good	0.231 \| good
2026-04-29T08:00:00.000Z	44 \| good	8.297 \| good	36.31 \| good	34.133 \| good	1.686 \| good	20.013 \| good	0.224 \| good
2026-04-29T09:00:00.000Z	38 \| good	6.86 \| good	30.701 \| good	31.314 \| good	1.681 \| good	19.571 \| good	0.217 \| good
2026-04-29T10:00:00.000Z	52 \| moderate	10.109 \| good	44.862 \| good	31.451 \| good	1.62 \| good	17.165 \| good	0.208 \| good
2026-04-29T11:00:00.000Z	52 \| moderate	9.578 \| good	42.78 \| good	27.571 \| good	1.56 \| good	14.759 \| good	0.2 \| good
2026-04-29T12:00:00.000Z	33 \| good	5.756 \| good	24.94 \| good	28.276 \| good	1.499 \| good	12.353 \| good	0.192 \| good
2026-04-29T13:00:00.000Z	33 \| good	5.526 \| good	23.725 \| good	26.515 \| good	1.518 \| good	10.051 \| good	0.185 \| good
2026-04-29T14:00:00.000Z	27 \| good	4.524 \| good	19.658 \| good	28.41 \| good	1.537 \| good	7.749 \| good	0.178 \| good
2026-04-29T15:00:00.000Z	31 \| good	2.92 \| good	12.09 \| good	32.659 \| good	1.556 \| good	5.446 \| good	0.171 \| good
2026-04-29T16:00:00.000Z	33 \| good	2.664 \| good	10.791 \| good	35.551 \| good	1.376 \| good	4.692 \| good	0.164 \| good
2026-04-29T17:00:00.000Z	33 \| good	3.176 \| good	14.005 \| good	35.891 \| good	1.197 \| good	3.938 \| good	0.157 \| good
2026-04-29T18:00:00.000Z	33 \| good	4.341 \| good	18.912 \| good	35.881 \| good	1.017 \| good	3.184 \| good	0.15 \| good
2026-04-29T19:00:00.000Z	33 \| good	3.292 \| good	14.467 \| good	36.244 \| good	0.953 \| good	3.281 \| good	0.148 \| good
2026-04-29T20:00:00.000Z	31 \| good	3.337 \| good	14.399 \| good	34.021 \| good	0.89 \| good	3.379 \| good	0.147 \| good

Darien

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Darien, 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 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 07:00:00 on 2026-04-27.

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 03:00:00 on 2026-04-27.

What is the AQI in Darien, Illinois right now?

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

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

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

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 9.593 μg/m³.

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

The PM₁₀ concentration in Darien, Illinois is 42.588 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 0.179 ppm.

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

Currently, Darien, Illinois has a sulfur dioxide (SO₂) concentration of 0.449 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 18.501 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 4.428 ppb.

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