What are the current PM10 levels at Downers Grove, Illinois?

The current PM10 levels in Downers Grove, Illinois are 19.741 μg/m3.

What are the current sulfur dioxide (SO2) levels at Downers Grove, Illinois?

The current sulfur dioxide (SO2) levels in Downers Grove, Illinois are 0.475 ppb.

What are the current ozone (O3) levels at Downers Grove, Illinois?

The current ozone (O3) levels at Downers Grove, Illinois is 21.152 ppm.

What are the current nitrogen dioxide (NO2) levels at Downers Grove, Illinois?

The current nitrogen dioxide (NO2) levels at Downers Grove, Illinois is 4.685 ppb.

Real-time air quality index in Downers Grove, Illinois today

Q: What are the current PM2.5 levels in Downers Grove, Illinois?

The measured PM2.5 levels in Downers Grove, Illinois at present are 4.572 μg/m3.

Stay updated with real-time air quality in Downers Grove, 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

Downers Grove, Illinois

Last updated: ... (Local time)

Common air pollutants in Downers Grove, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.57 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

19.74 μg/m³

155

255

425

605+

Ozone (O₃)

21.15 ppb

201

201+

Sulfur Dioxide (SO₂)

0.47 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.68 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.19 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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Downers Grove, Illinois

Scroll To Air Quality Map

Track live Downers Grove, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-05T09:00:00.000Z	88 \| moderate	29.025 \| fine	114.071 \| fine	10.715 \| good	0.548 \| good	10.434 \| good	0.251 \| good
2026-03-05T10:00:00.000Z	84 \| moderate	27.044 \| fine	88.094 \| fine	11.561 \| good	0.572 \| good	13.625 \| good	0.282 \| good
2026-03-05T11:00:00.000Z	84 \| moderate	27.189 \| fine	105.869 \| fine	10.755 \| good	0.507 \| good	21.655 \| good	0.274 \| good
2026-03-05T12:00:00.000Z	84 \| moderate	26.509 \| fine	112.259 \| fine	6.459 \| good	0.486 \| good	16.366 \| good	0.274 \| good
2026-03-05T13:00:00.000Z	82 \| moderate	26.203 \| fine	112.205 \| fine	4.021 \| good	0.511 \| good	17.951 \| good	0.276 \| good
2026-03-05T14:00:00.000Z	69 \| moderate	18.84 \| fine	80.579 \| fine	4.155 \| good	0.537 \| good	17.906 \| good	0.396 \| good
2026-03-05T15:00:00.000Z	73 \| moderate	20.6 \| fine	100.239 \| fine	5.139 \| good	0.543 \| good	15.369 \| good	0.359 \| good
2026-03-05T16:00:00.000Z	71 \| moderate	19.947 \| fine	95.863 \| fine	6.606 \| good	0.614 \| good	14.34 \| good	0.273 \| good
2026-03-05T17:00:00.000Z	67 \| moderate	18.409 \| fine	87.937 \| fine	6.541 \| good	0.557 \| good	9.671 \| good	0.274 \| good
2026-03-05T18:00:00.000Z	64 \| moderate	16.022 \| fine	67.577 \| fine	8.297 \| good	0.498 \| good	8.081 \| good	0.274 \| good
2026-03-05T19:00:00.000Z	67 \| moderate	17.967 \| fine	80.792 \| fine	8.81 \| good	0.511 \| good	8.443 \| good	0.277 \| good
2026-03-05T20:00:00.000Z	69 \| moderate	18.674 \| fine	87.505 \| fine	9.039 \| good	0.603 \| good	9.766 \| good	0.274 \| good
2026-03-05T21:00:00.000Z	71 \| moderate	20.086 \| fine	86.819 \| fine	7.619 \| good	1.123 \| good	12.083 \| good	0.281 \| good
2026-03-05T22:00:00.000Z	73 \| moderate	20.665 \| fine	80.308 \| fine	7.468 \| good	0.902 \| good	11.793 \| good	0.282 \| good
2026-03-05T23:00:00.000Z	67 \| moderate	18.076 \| fine	77.488 \| fine	6.438 \| good	0.542 \| good	8.864 \| good	0.316 \| good
2026-03-06T00:00:00.000Z	67 \| moderate	17.801 \| fine	71.249 \| fine	7.099 \| good	0.619 \| good	10.003 \| good	0.316 \| good
2026-03-06T01:00:00.000Z	69 \| moderate	18.879 \| fine	83.51 \| fine	4.6 \| good	0.561 \| good	7.945 \| good	0.29 \| good
2026-03-06T02:00:00.000Z	73 \| moderate	21.144 \| fine	89.311 \| fine	4.206 \| good	0.516 \| good	10.691 \| good	0.325 \| good
2026-03-06T03:00:00.000Z	129 \| sensitive	46.799 \| moderate	210.162 \| moderate	5.574 \| good	4.029 \| good	24.63 \| good	0.539 \| good
2026-03-06T04:00:00.000Z	92 \| moderate	31.254 \| fine	137.684 \| fine	4.059 \| good	1.104 \| good	14.914 \| good	0.287 \| good
2026-03-06T05:00:00.000Z	92 \| moderate	30.817 \| fine	128.54 \| fine	3.954 \| good	0.893 \| good	15.523 \| good	0.334 \| good
2026-03-06T06:00:00.000Z	104 \| sensitive	35.89 \| moderate	161.284 \| moderate	3.948 \| good	1.552 \| good	11.684 \| good	0.295 \| good
2026-03-06T07:00:00.000Z	95 \| moderate	31.097 \| fine	142.904 \| fine	4.177 \| good	2.236 \| good	12.012 \| good	0.312 \| good
2026-03-06T08:00:00.000Z	82 \| moderate	25.935 \| fine	98.44 \| fine	3.847 \| good	1.422 \| good	14.046 \| good	0.273 \| good
2026-03-06T09:00:00.000Z	79 \| moderate	23.546 \| fine	90.261 \| fine	3.707 \| good	0.834 \| good	14.317 \| good	0.26 \| good
2026-03-06T10:00:00.000Z	75 \| moderate	22.38 \| fine	75.799 \| fine	4.13 \| good	0.754 \| good	14.541 \| good	0.252 \| good
2026-03-06T11:00:00.000Z	73 \| moderate	21.171 \| fine	67.462 \| fine	3.912 \| good	0.679 \| good	14.563 \| good	0.254 \| good
2026-03-06T12:00:00.000Z	69 \| moderate	19.318 \| fine	64.146 \| fine	4.335 \| good	0.6 \| good	13.056 \| good	0.253 \| good
2026-03-06T13:00:00.000Z	64 \| moderate	15.895 \| fine	66.461 \| fine	4.121 \| good	0.676 \| good	13.772 \| good	0.253 \| good
2026-03-06T14:00:00.000Z	67 \| moderate	17.73 \| fine	77.731 \| fine	3.803 \| good	0.874 \| good	14.509 \| good	0.282 \| good
2026-03-06T15:00:00.000Z	58 \| moderate	13.346 \| fine	60.764 \| fine	2.561 \| good	0.978 \| good	14.397 \| good	0.311 \| good
2026-03-06T16:00:00.000Z	52 \| moderate	10.062 \| good	38.923 \| good	11.17 \| good	0.808 \| good	13.253 \| good	0.358 \| good
2026-03-06T17:00:00.000Z	44 \| good	7.861 \| good	34.543 \| good	3.633 \| good	1.082 \| good	8.03 \| good	0.3 \| good
2026-03-06T18:00:00.000Z	52 \| moderate	10.057 \| good	46.382 \| good	4.789 \| good	0.786 \| good	7.067 \| good	0.242 \| good
2026-03-06T19:00:00.000Z	44 \| good	8.118 \| good	38.277 \| good	6.346 \| good	0.769 \| good	11.596 \| good	0.294 \| good
2026-03-06T20:00:00.000Z	49 \| good	8.88 \| good	39.735 \| good	7.868 \| good	1.012 \| good	12.88 \| good	0.327 \| good
2026-03-06T21:00:00.000Z	54 \| moderate	10.618 \| good	49.584 \| good	12.455 \| good	1.075 \| good	9.404 \| good	0.261 \| good
2026-03-06T22:00:00.000Z	49 \| good	9.266 \| good	39.978 \| good	14.827 \| good	0.795 \| good	11.492 \| good	0.26 \| good
2026-03-06T23:00:00.000Z	49 \| good	9.303 \| good	36.146 \| good	12.931 \| good	0.757 \| good	12.223 \| good	0.26 \| good
2026-03-07T00:00:00.000Z	38 \| good	6.839 \| good	28.78 \| good	19.896 \| good	0.651 \| good	13.598 \| good	0.237 \| good
2026-03-07T01:00:00.000Z	38 \| good	6.539 \| good	27.385 \| good	17.835 \| good	0.58 \| good	12.315 \| good	0.202 \| good
2026-03-07T02:00:00.000Z	33 \| good	5.721 \| good	23.553 \| good	21.359 \| good	0.669 \| good	11.241 \| good	0.202 \| good
2026-03-07T03:00:00.000Z	27 \| good	5.251 \| good	24.001 \| good	24.365 \| good	0.491 \| good	7.026 \| good	0.202 \| good
2026-03-07T04:00:00.000Z	27 \| good	4.791 \| good	19.753 \| good	24.322 \| good	0.514 \| good	4.899 \| good	0.202 \| good
2026-03-07T05:00:00.000Z	27 \| good	4.609 \| good	19.695 \| good	22.719 \| good	0.461 \| good	4.564 \| good	0.186 \| good
2026-03-07T06:00:00.000Z	22 \| good	4.452 \| good	19.548 \| good	21.185 \| good	0.368 \| good	4.747 \| good	0.186 \| good
2026-03-07T07:00:00.000Z	27 \| good	4.572 \| good	19.741 \| good	21.152 \| good	0.475 \| good	4.685 \| good	0.186 \| good
2026-03-07T08:00:00.000Z	27 \| good	4.952 \| good	20.476 \| good	19.784 \| good	0.471 \| good	4.294 \| good	0.152 \| good
2026-03-07T08:00:00.000Z	27 \| good	4.572 \| good	19.741 \| good	21.152 \| good	0.475 \| good	4.685 \| good	0.186 \| good
2026-03-07T09:00:00.000Z	35 \| good	1.702 \| good	6.963 \| good	37.594 \| good	0.565 \| good	2.64 \| good	0.104 \| good
2026-03-07T10:00:00.000Z	28 \| good	1.594 \| good	6.453 \| good	30.299 \| good	0.583 \| good	2.737 \| good	0.104 \| good
2026-03-07T11:00:00.000Z	24 \| good	1.982 \| good	8.256 \| good	26.053 \| good	0.601 \| good	2.834 \| good	0.104 \| good
2026-03-07T12:00:00.000Z	22 \| good	0.331 \| good	1.233 \| good	24.365 \| good	0.618 \| good	2.93 \| good	0.104 \| good
2026-03-07T13:00:00.000Z	25 \| good	0.697 \| good	2.479 \| good	26.735 \| good	0.641 \| good	3.695 \| good	0.11 \| good
2026-03-07T14:00:00.000Z	25 \| good	1.203 \| good	4.642 \| good	26.555 \| good	0.664 \| good	4.46 \| good	0.117 \| good
2026-03-07T15:00:00.000Z	27 \| good	2.55 \| good	10.613 \| good	29.32 \| good	0.687 \| good	5.225 \| good	0.123 \| good
2026-03-07T16:00:00.000Z	30 \| good	3.743 \| good	16.094 \| good	32.166 \| good	0.707 \| good	4.911 \| good	0.14 \| good
2026-03-07T17:00:00.000Z	33 \| good	6.261 \| good	27.942 \| good	36.025 \| good	0.727 \| good	4.597 \| good	0.156 \| good
2026-03-07T18:00:00.000Z	49 \| good	8.623 \| good	37.84 \| good	40.412 \| good	0.747 \| good	4.282 \| good	0.173 \| good
2026-03-07T19:00:00.000Z	54 \| moderate	11.452 \| good	51.052 \| good	41.058 \| good	0.757 \| good	3.857 \| good	0.185 \| good
2026-03-07T20:00:00.000Z	56 \| moderate	11.891 \| good	53.109 \| good	37.378 \| good	0.767 \| good	3.432 \| good	0.197 \| good
2026-03-07T21:00:00.000Z	56 \| moderate	12.286 \| fine	55.031 \| fine	33.702 \| good	0.777 \| good	3.007 \| good	0.209 \| good
2026-03-07T22:00:00.000Z	52 \| moderate	10.02 \| good	44.53 \| good	30.878 \| good	0.76 \| good	4.28 \| good	0.209 \| good
2026-03-07T23:00:00.000Z	49 \| good	9.401 \| good	41.634 \| good	29.966 \| good	0.743 \| good	5.553 \| good	0.21 \| good
2026-03-08T00:00:00.000Z	52 \| moderate	10 \| good	44.481 \| good	30.296 \| good	0.727 \| good	6.826 \| good	0.21 \| good
2026-03-08T01:00:00.000Z	49 \| good	9.452 \| good	42.223 \| good	34.352 \| good	0.771 \| good	7.557 \| good	0.209 \| good
2026-03-08T02:00:00.000Z	44 \| good	8.275 \| good	36.349 \| good	35.621 \| good	0.814 \| good	8.288 \| good	0.207 \| good
2026-03-08T03:00:00.000Z	38 \| good	7.299 \| good	32.086 \| good	33.291 \| good	0.858 \| good	9.02 \| good	0.206 \| good
2026-03-08T04:00:00.000Z	38 \| good	6.766 \| good	29.943 \| good	32.217 \| good	0.814 \| good	8.628 \| good	0.205 \| good
2026-03-08T05:00:00.000Z	38 \| good	6.704 \| good	29.581 \| good	33.71 \| good	0.769 \| good	8.237 \| good	0.203 \| good
2026-03-08T06:00:00.000Z	38 \| good	7.43 \| good	32.736 \| good	31.411 \| good	0.724 \| good	7.846 \| good	0.202 \| good
2026-03-08T07:00:00.000Z	49 \| good	8.568 \| good	37.631 \| good	30.919 \| good	0.678 \| good	6.804 \| good	0.194 \| good
2026-03-08T08:00:00.000Z	49 \| good	8.602 \| good	37.745 \| good	29.334 \| good	0.631 \| good	5.763 \| good	0.186 \| good
2026-03-08T09:00:00.000Z	49 \| good	8.815 \| good	39.074 \| good	23.852 \| good	0.584 \| good	4.721 \| good	0.177 \| good
2026-03-08T10:00:00.000Z	49 \| good	9.261 \| good	41.389 \| good	17.449 \| good	0.601 \| good	4.639 \| good	0.174 \| good
2026-03-08T11:00:00.000Z	49 \| good	9.064 \| good	39.901 \| good	14.143 \| good	0.618 \| good	4.557 \| good	0.17 \| good
2026-03-08T12:00:00.000Z	38 \| good	7.064 \| good	31.088 \| good	16.273 \| good	0.635 \| good	4.475 \| good	0.167 \| good
2026-03-08T13:00:00.000Z	33 \| good	6.316 \| good	27.643 \| good	20.917 \| good	0.707 \| good	4.756 \| good	0.172 \| good
2026-03-08T14:00:00.000Z	38 \| good	7.287 \| good	32.102 \| good	27.119 \| good	0.778 \| good	5.038 \| good	0.178 \| good
2026-03-08T15:00:00.000Z	44 \| good	8.478 \| good	37.447 \| good	33.774 \| good	0.85 \| good	5.319 \| good	0.183 \| good
2026-03-08T16:00:00.000Z	44 \| good	7.824 \| good	34.364 \| good	35.697 \| good	0.867 \| good	4.466 \| good	0.174 \| good
2026-03-08T17:00:00.000Z	36 \| good	6.294 \| good	27.931 \| good	38.529 \| good	0.883 \| good	3.613 \| good	0.164 \| good
2026-03-08T18:00:00.000Z	36 \| good	5.127 \| good	22.085 \| good	38.882 \| good	0.9 \| good	2.76 \| good	0.154 \| good
2026-03-08T19:00:00.000Z	37 \| good	3.805 \| good	16.533 \| good	40.277 \| good	0.903 \| good	2.88 \| good	0.153 \| good
2026-03-08T20:00:00.000Z	36 \| good	5.14 \| good	22.239 \| good	38.929 \| good	0.907 \| good	3 \| good	0.153 \| good
2026-03-08T21:00:00.000Z	32 \| good	5.072 \| good	21.985 \| good	35.463 \| good	0.91 \| good	3.12 \| good	0.152 \| good
2026-03-08T22:00:00.000Z	31 \| good	4.354 \| good	19.1 \| good	33.835 \| good	0.953 \| good	4.789 \| good	0.16 \| good
2026-03-08T23:00:00.000Z	35 \| good	2.024 \| good	8.459 \| good	37.953 \| good	0.995 \| good	6.458 \| good	0.168 \| good
2026-03-09T00:00:00.000Z	31 \| good	1.628 \| good	6.55 \| good	34.385 \| good	1.038 \| good	8.128 \| good	0.176 \| good
2026-03-09T01:00:00.000Z	32 \| good	1.29 \| good	5.297 \| good	34.934 \| good	0.993 \| good	7.194 \| good	0.168 \| good
2026-03-09T02:00:00.000Z	31 \| good	1.189 \| good	5.091 \| good	34.435 \| good	0.947 \| good	6.261 \| good	0.16 \| good
2026-03-09T03:00:00.000Z	30 \| good	2.893 \| good	12.217 \| good	32.404 \| good	0.902 \| good	5.328 \| good	0.152 \| good
2026-03-09T04:00:00.000Z	30 \| good	4.256 \| good	18.493 \| good	32.374 \| good	0.836 \| good	4.575 \| good	0.149 \| good
2026-03-09T05:00:00.000Z	31 \| good	4.758 \| good	20.81 \| good	33.126 \| good	0.77 \| good	3.823 \| good	0.145 \| good
2026-03-09T06:00:00.000Z	39 \| good	3.114 \| good	3.382 \| good	42.454 \| good	0.703 \| good	3.053 \| good	0.141 \| good
2026-03-09T07:00:00.000Z	33 \| good	5.565 \| good	23.809 \| good	32.48 \| good	0.7 \| good	2.902 \| good	0.14 \| good
2026-03-09T08:00:00.000Z	30 \| good	4.819 \| good	20.849 \| good	32.055 \| good	0.695 \| good	2.733 \| good	0.138 \| good

Downers Grove

Empower business decisions with accurate air quality data

Downers Grove, Illinois air quality map: Real-time AQI near you

0.19ppm

How accurate is Illinois, USA air quality data?

Air quality measurements for Illinois, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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Frequently asked questions

How frequently is the air quality data for Downers Grove, Illinois updated?

Air quality data for Downers Grove, Illinois is updated on an hourly basis.

When did Downers Grove, Illinois experience the worst air quality in the last 24 hours?

The worst air quality in Downers Grove, Illinois was recorded at 08:00:00 on 2026-03-06.

When did Downers Grove, Illinois have its best air quality in the last 24 hours?

The best air quality in Downers Grove, Illinois was recorded at 06:00:00 on 2026-03-07.

What is the real-time air quality index for Downers Grove, Illinois?

The real-time air quality index in Downers Grove, Illinois is 27, currently categorized as Good.

Which pollutant is found most often in Downers Grove, Illinois?

The most common pollutant in Downers Grove, Illinois is PM2.5.

What can I do if the air quality in Downers Grove, Illinois is poor?

If the air quality in Downers Grove, Illinois is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Downers Grove, Illinois?

The measured PM_2.5 levels in Downers Grove, Illinois at present are 4.572 μg/m³.

What are the current PM₁₀ levels at Downers Grove, Illinois?

The current PM₁₀ levels in Downers Grove, Illinois are 19.741 μg/m³.

What are the current carbon monoxide (CO) levels at Downers Grove, Illinois?

The current carbon monoxide (CO) level in Downers Grove, Illinois is 0.186 ppm.

What are the current sulfur dioxide (SO₂) levels at Downers Grove, Illinois?

The current sulfur dioxide (SO₂) levels in Downers Grove, Illinois are 0.475 ppb.

What are the current ozone (O₃) levels at Downers Grove, Illinois?

The current ozone (O₃) levels at Downers Grove, Illinois is 21.152 ppm.

What are the current nitrogen dioxide (NO₂) levels at Downers Grove, Illinois?

The current nitrogen dioxide (NO₂) levels at Downers Grove, Illinois is 4.685 ppb.

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