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

The PM10 concentration in Darien, Illinois is 55.018 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 2.819 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 30.897 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 10.844 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 13.053 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)

13.05 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

55.02 μg/m³

155

255

425

605+

Ozone (O₃)

30.90 ppb

201

201+

Sulfur Dioxide (SO₂)

2.82 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

10.84 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.21 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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

Please contact us for custom requests

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
2026-10-20T20:00:00.000Z	56 \| moderate	11.69 \| good	51.36 \| good	34.174 \| good	4.053 \| good	9.723 \| good	0.193 \| good
2026-10-20T21:00:00.000Z	54 \| moderate	10.67 \| good	40.015 \| good	37.855 \| good	5.232 \| good	9.126 \| good	0.208 \| good
2026-10-20T22:00:00.000Z	38 \| good	7.357 \| good	32.298 \| good	39.414 \| good	8.248 \| good	8.533 \| good	0.208 \| good
2026-10-20T23:00:00.000Z	39 \| good	6.794 \| good	27.057 \| good	41.945 \| good	4.383 \| good	25.209 \| good	0.221 \| good
2026-10-21T00:00:00.000Z	44 \| good	7.622 \| good	31.964 \| good	38.621 \| good	1.051 \| good	24.479 \| good	0.265 \| good
2026-10-21T01:00:00.000Z	56 \| moderate	11.731 \| good	51.739 \| good	35.607 \| good	0.713 \| good	30.206 \| good	0.278 \| good
2026-10-21T02:00:00.000Z	58 \| moderate	12.881 \| fine	58.853 \| fine	31.109 \| good	0.597 \| good	29.572 \| good	0.292 \| good
2026-10-21T03:00:00.000Z	64 \| moderate	15.903 \| fine	71.073 \| fine	6.826 \| good	3.668 \| good	40.234 \| good	0.333 \| good
2026-10-21T04:00:00.000Z	60 \| moderate	13.638 \| fine	46.049 \| good	24.963 \| good	0.548 \| good	28.612 \| good	0.294 \| good
2026-10-21T05:00:00.000Z	60 \| moderate	13.765 \| fine	46.981 \| good	19.288 \| good	1.305 \| good	24.391 \| good	0.279 \| good
2026-10-21T06:00:00.000Z	60 \| moderate	14.369 \| fine	55.759 \| fine	15.258 \| good	1.735 \| good	22.48 \| good	0.265 \| good
2026-10-21T07:00:00.000Z	66 \| moderate	17.06 \| fine	74.941 \| fine	12.042 \| good	1.517 \| good	18.775 \| good	0.278 \| good
2026-10-21T08:00:00.000Z	69 \| moderate	19.16 \| fine	66.478 \| fine	10.602 \| good	0.892 \| good	19.358 \| good	0.249 \| good
2026-10-21T09:00:00.000Z	67 \| moderate	17.939 \| fine	58.023 \| fine	10.137 \| good	0.88 \| good	19.996 \| good	0.235 \| good
2026-10-21T10:00:00.000Z	69 \| moderate	19.127 \| fine	70.25 \| fine	8.846 \| good	0.94 \| good	22.893 \| good	0.279 \| good
2026-10-21T11:00:00.000Z	73 \| moderate	20.984 \| fine	62.986 \| fine	6.605 \| good	1.008 \| good	23.688 \| good	0.338 \| good
2026-10-21T12:00:00.000Z	77 \| moderate	23.19 \| fine	99.542 \| fine	7.667 \| good	0.985 \| good	22.561 \| good	0.352 \| good
2026-10-21T13:00:00.000Z	75 \| moderate	21.671 \| fine	92.468 \| fine	7.649 \| good	1.021 \| good	19.412 \| good	0.352 \| good
2026-10-21T14:00:00.000Z	71 \| moderate	19.758 \| fine	74.96 \| fine	9.548 \| good	1.149 \| good	21.895 \| good	0.5 \| good
2026-10-21T15:00:00.000Z	75 \| moderate	21.849 \| fine	89.148 \| fine	12.277 \| good	1.613 \| good	25.013 \| good	0.386 \| good
2026-10-21T16:00:00.000Z	71 \| moderate	20.371 \| fine	84.559 \| fine	14.515 \| good	1.768 \| good	21.371 \| good	0.294 \| good
2026-10-21T17:00:00.000Z	69 \| moderate	19.146 \| fine	72.442 \| fine	23.138 \| good	1.59 \| good	19.459 \| good	0.252 \| good
2026-10-21T18:00:00.000Z	60 \| moderate	13.729 \| fine	58.36 \| fine	31.56 \| good	1.667 \| good	15.529 \| good	0.237 \| good
2026-10-21T19:00:00.000Z	60 \| moderate	13.666 \| fine	59.864 \| fine	37.577 \| good	1.125 \| good	6.91 \| good	0.237 \| good
2026-10-21T20:00:00.000Z	52 \| moderate	9.859 \| good	44.248 \| good	43.255 \| good	1.171 \| good	5.819 \| good	0.237 \| good
2026-10-21T21:00:00.000Z	44 \| good	8.101 \| good	35.874 \| good	45.266 \| good	1.263 \| good	6.696 \| good	0.237 \| good
2026-10-21T22:00:00.000Z	44 \| good	8.145 \| good	32.438 \| good	46.864 \| good	1.46 \| good	8.816 \| good	0.237 \| good
2026-10-21T23:00:00.000Z	44 \| good	7.551 \| good	29.938 \| good	46.928 \| good	1.895 \| good	21.691 \| good	0.251 \| good
2026-10-22T00:00:00.000Z	44 \| good	8.472 \| good	37.137 \| good	41.482 \| good	1.428 \| good	17.244 \| good	0.309 \| good
2026-10-22T01:00:00.000Z	54 \| moderate	11.174 \| good	58.333 \| fine	36.906 \| good	1.072 \| good	20.993 \| good	0.352 \| good
2026-10-22T02:00:00.000Z	60 \| moderate	13.605 \| fine	59.731 \| fine	32.228 \| good	0.855 \| good	26.243 \| good	0.367 \| good
2026-10-22T03:00:00.000Z	44 \| good	8.473 \| good	37.027 \| good	17.941 \| good	3.018 \| good	42.08 \| good	0.561 \| good
2026-10-22T04:00:00.000Z	62 \| moderate	15.176 \| fine	56.91 \| fine	21.431 \| good	1.56 \| good	31.591 \| good	0.41 \| good
2026-10-22T05:00:00.000Z	69 \| moderate	19.181 \| fine	75.76 \| fine	14.704 \| good	1.269 \| good	28.801 \| good	0.381 \| good
2026-10-22T06:00:00.000Z	69 \| moderate	19.274 \| fine	77.244 \| fine	13.121 \| good	1.216 \| good	23.473 \| good	0.462 \| good
2026-10-22T07:00:00.000Z	67 \| moderate	18.186 \| fine	73.172 \| fine	10.234 \| good	1.234 \| good	22.181 \| good	0.462 \| good
2026-10-22T08:00:00.000Z	66 \| moderate	17.362 \| fine	73.886 \| fine	11.061 \| good	1.134 \| good	20.455 \| good	0.337 \| good
2026-10-22T09:00:00.000Z	67 \| moderate	17.851 \| fine	71.04 \| fine	12.389 \| good	1.158 \| good	18.276 \| good	0.323 \| good
2026-10-22T10:00:00.000Z	64 \| moderate	16.009 \| fine	67.984 \| fine	13.424 \| good	0.973 \| good	16.913 \| good	0.309 \| good
2026-10-22T11:00:00.000Z	64 \| moderate	15.843 \| fine	65.996 \| fine	15.347 \| good	0.981 \| good	16.082 \| good	0.461 \| good
2026-10-22T12:00:00.000Z	64 \| moderate	16.05 \| fine	69.733 \| fine	16.299 \| good	1.162 \| good	18.611 \| good	0.5 \| good
2026-10-22T13:00:00.000Z	66 \| moderate	17.395 \| fine	72.956 \| fine	12.004 \| good	1.386 \| good	18.447 \| good	0.422 \| good
2026-10-22T14:00:00.000Z	64 \| moderate	16.475 \| fine	68.875 \| fine	10.14 \| good	1.398 \| good	18.641 \| good	0.466 \| good
2026-10-22T15:00:00.000Z	60 \| moderate	14.093 \| fine	51.159 \| good	13.215 \| good	1.772 \| good	21.172 \| good	0.544 \| good
2026-10-22T16:00:00.000Z	60 \| moderate	14.126 \| fine	55.739 \| fine	17.701 \| good	1.836 \| good	26.116 \| good	0.32 \| good
2026-10-22T17:00:00.000Z	60 \| moderate	14.355 \| fine	58.144 \| fine	18.032 \| good	2.295 \| good	19.934 \| good	0.28 \| good
2026-10-22T18:00:00.000Z	58 \| moderate	12.8 \| fine	58.225 \| fine	23.211 \| good	1.869 \| good	12.51 \| good	0.235 \| good
2026-10-22T19:00:00.000Z	56 \| moderate	11.918 \| good	49.958 \| good	30.4 \| good	2.725 \| good	7.435 \| good	0.208 \| good
2026-10-22T19:00:00.000Z	58 \| moderate	13.053 \| fine	55.018 \| fine	30.897 \| good	2.819 \| good	10.844 \| good	0.209 \| good
2026-10-22T20:00:00.000Z	49 \| good	9.316 \| good	41.94 \| good	46.443 \| good	1.837 \| good	8.282 \| good	0.201 \| good
2026-10-22T21:00:00.000Z	52 \| moderate	9.995 \| good	44.076 \| good	48.607 \| good	1.828 \| good	9.03 \| good	0.202 \| good
2026-10-22T22:00:00.000Z	56 \| moderate	11.674 \| good	51.09 \| good	38.449 \| good	1.882 \| good	16.735 \| good	0.242 \| good
2026-10-22T23:00:00.000Z	66 \| moderate	16.636 \| fine	73.091 \| fine	29.936 \| good	2.214 \| good	37.224 \| good	0.346 \| good
2026-10-23T00:00:00.000Z	71 \| moderate	20.491 \| fine	89.198 \| fine	21.479 \| good	2.541 \| good	47.683 \| good	0.435 \| good
2026-10-23T01:00:00.000Z	73 \| moderate	21.276 \| fine	93.113 \| fine	19.079 \| good	2.638 \| good	48.472 \| good	0.457 \| good
2026-10-23T02:00:00.000Z	75 \| moderate	22.425 \| fine	98.88 \| fine	13.34 \| good	2.735 \| good	48.785 \| good	0.44 \| good
2026-10-23T03:00:00.000Z	79 \| moderate	24.123 \| fine	104.923 \| fine	10.23 \| good	2.859 \| good	48.058 \| good	0.434 \| good
2026-10-23T04:00:00.000Z	79 \| moderate	23.93 \| fine	104.81 \| fine	9.267 \| good	2.953 \| good	46.726 \| good	0.436 \| good
2026-10-23T05:00:00.000Z	79 \| moderate	23.638 \| fine	102.867 \| fine	4.683 \| good	2.971 \| good	45.028 \| good	0.431 \| good
2026-10-23T06:00:00.000Z	77 \| moderate	23.228 \| fine	101.119 \| fine	4.324 \| good	3.043 \| good	43.056 \| good	0.413 \| good
2026-10-23T07:00:00.000Z	73 \| moderate	20.544 \| fine	89.416 \| fine	6.546 \| good	3.159 \| good	40.652 \| good	0.393 \| good
2026-10-23T08:00:00.000Z	67 \| moderate	17.904 \| fine	79.35 \| fine	8.987 \| good	3.232 \| good	37.583 \| good	0.377 \| good
2026-10-23T09:00:00.000Z	66 \| moderate	16.655 \| fine	73.294 \| fine	10.855 \| good	3.233 \| good	33.806 \| good	0.361 \| good
2026-10-23T10:00:00.000Z	66 \| moderate	17.168 \| fine	76.958 \| fine	8.372 \| good	3.133 \| good	30.165 \| good	0.348 \| good
2026-10-23T11:00:00.000Z	67 \| moderate	18.081 \| fine	79.236 \| fine	7.134 \| good	2.954 \| good	28.157 \| good	0.34 \| good
2026-10-23T12:00:00.000Z	69 \| moderate	18.574 \| fine	81.216 \| fine	7.084 \| good	2.828 \| good	29.635 \| good	0.349 \| good
2026-10-23T13:00:00.000Z	69 \| moderate	18.687 \| fine	83.022 \| fine	13.243 \| good	2.7 \| good	26.344 \| good	0.38 \| good
2026-10-23T14:00:00.000Z	69 \| moderate	18.599 \| fine	81.234 \| fine	22.785 \| good	2.378 \| good	21.187 \| good	0.366 \| good
2026-10-23T15:00:00.000Z	66 \| moderate	17.269 \| fine	76.938 \| fine	32.207 \| good	2.131 \| good	18.403 \| good	0.342 \| good
2026-10-23T16:00:00.000Z	62 \| moderate	14.708 \| fine	65.132 \| fine	41.232 \| good	1.779 \| good	14.135 \| good	0.276 \| good
2026-10-23T17:00:00.000Z	56 \| moderate	12.422 \| fine	56.833 \| fine	46.769 \| good	1.625 \| good	9.341 \| good	0.225 \| good
2026-10-23T18:00:00.000Z	54 \| moderate	11.278 \| good	49.975 \| good	54.191 \| good	1.742 \| good	5.278 \| good	0.194 \| good
2026-10-23T19:00:00.000Z	54 \| moderate	10.723 \| good	47.961 \| good	55.694 \| fine	1.814 \| good	3.857 \| good	0.187 \| good
2026-10-23T20:00:00.000Z	58 \| moderate	9.883 \| good	44.009 \| good	57.059 \| fine	1.759 \| good	3.621 \| good	0.185 \| good
2026-10-23T21:00:00.000Z	54 \| moderate	10.117 \| good	44.963 \| good	55.859 \| fine	1.769 \| good	4.107 \| good	0.186 \| good
2026-10-23T22:00:00.000Z	54 \| moderate	11.109 \| good	48.97 \| good	45.986 \| good	1.778 \| good	8.979 \| good	0.21 \| good
2026-10-23T23:00:00.000Z	56 \| moderate	12.427 \| fine	56.813 \| fine	37.065 \| good	1.887 \| good	20.168 \| good	0.263 \| good
2026-10-24T00:00:00.000Z	60 \| moderate	14.494 \| fine	65.056 \| fine	30.947 \| good	2.067 \| good	28.341 \| good	0.291 \| good
2026-10-24T01:00:00.000Z	60 \| moderate	14.174 \| fine	63.14 \| fine	24.131 \| good	2.239 \| good	30.741 \| good	0.285 \| good
2026-10-24T02:00:00.000Z	60 \| moderate	13.63 \| fine	61.059 \| fine	25.094 \| good	2.347 \| good	30.868 \| good	0.278 \| good
2026-10-24T03:00:00.000Z	58 \| moderate	13.4 \| fine	60.925 \| fine	28.763 \| good	2.366 \| good	28.865 \| good	0.268 \| good
2026-10-24T04:00:00.000Z	58 \| moderate	12.767 \| fine	57.119 \| fine	28.903 \| good	2.269 \| good	24.683 \| good	0.257 \| good
2026-10-24T05:00:00.000Z	56 \| moderate	12.084 \| good	54.105 \| good	26.892 \| good	2.059 \| good	18.703 \| good	0.245 \| good
2026-10-24T06:00:00.000Z	58 \| moderate	13.231 \| fine	59.173 \| fine	23.895 \| good	1.845 \| good	14.099 \| good	0.235 \| good
2026-10-24T07:00:00.000Z	60 \| moderate	13.925 \| fine	63.016 \| fine	21.076 \| good	1.677 \| good	11.473 \| good	0.23 \| good
2026-10-24T08:00:00.000Z	62 \| moderate	14.573 \| fine	65.095 \| fine	19.048 \| good	1.573 \| good	10.1 \| good	0.227 \| good
2026-10-24T09:00:00.000Z	62 \| moderate	15.053 \| fine	67.037 \| fine	18.131 \| good	1.521 \| good	9.58 \| good	0.228 \| good
2026-10-24T10:00:00.000Z	60 \| moderate	14.218 \| fine	63.077 \| fine	18.785 \| good	1.494 \| good	9.794 \| good	0.231 \| good
2026-10-24T11:00:00.000Z	62 \| moderate	15.302 \| fine	68.899 \| fine	17.069 \| good	1.49 \| good	10.811 \| good	0.235 \| good
2026-10-24T12:00:00.000Z	66 \| moderate	17.001 \| fine	75.101 \| fine	19.423 \| good	1.542 \| good	14.454 \| good	0.245 \| good
2026-10-24T13:00:00.000Z	67 \| moderate	18.254 \| fine	80.972 \| fine	20.355 \| good	1.586 \| good	15.929 \| good	0.261 \| good
2026-10-24T14:00:00.000Z	69 \| moderate	18.682 \| fine	82.96 \| fine	26.171 \| good	1.589 \| good	14.464 \| good	0.274 \| good
2026-10-24T15:00:00.000Z	66 \| moderate	16.776 \| fine	74.902 \| fine	31.661 \| good	1.632 \| good	12.041 \| good	0.264 \| good
2026-10-24T16:00:00.000Z	62 \| moderate	14.714 \| fine	65.034 \| fine	42.239 \| good	1.672 \| good	10.404 \| good	0.251 \| good
2026-10-24T17:00:00.000Z	58 \| moderate	12.505 \| fine	56.899 \| fine	48.756 \| good	1.725 \| good	8.861 \| good	0.237 \| good
2026-10-24T18:00:00.000Z	56 \| moderate	11.507 \| good	50.969 \| good	53.307 \| good	1.714 \| good	6.975 \| good	0.221 \| good
2026-10-24T19:00:00.000Z	54 \| moderate	10.54 \| good	46.979 \| good	54.46 \| good	1.63 \| good	5.286 \| good	0.204 \| good

Darien

Get reliable air quality data to drive your business

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

0.23ppm

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

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

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 06:00:00 on 2026-10-22.

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 2026-10-22.

What is the AQI in Darien, Illinois right now?

As of now, the AQI in Darien, Illinois is 58, 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 13.053 μg/m³.

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

The PM₁₀ concentration in Darien, Illinois is 55.018 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 0.209 ppm.

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

Currently, Darien, Illinois has a sulfur dioxide (SO₂) concentration of 2.819 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 30.897 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 10.844 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions