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

The current PM10 levels in Downers Grove, Illinois are 25.383 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 0.809 ppb.

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

The current ozone (O3) levels at Downers Grove, Illinois is 37.323 ppm.

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

The current nitrogen dioxide (NO2) levels at Downers Grove, Illinois is 18.59 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 5.655 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)

5.91 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

24.42 μg/m³

155

255

425

605+

Ozone (O₃)

33.91 ppb

201

201+

Sulfur Dioxide (SO₂)

0.72 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

16.60 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.16 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

Downers Grove, Illinois

Get Live Pollen Counts

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
2026-10-05T07:00:00.000Z	33 \| good	5.924 \| good	26.462 \| good	11.559 \| good	0.566 \| good	7.821 \| good	0.179 \| good
2026-10-05T08:00:00.000Z	33 \| good	5.619 \| good	24.523 \| good	8.122 \| good	0.659 \| good	9.574 \| good	0.145 \| good
2026-10-05T09:00:00.000Z	27 \| good	5.446 \| good	24.362 \| good	7.322 \| good	0.857 \| good	11.657 \| good	0.206 \| good
2026-10-05T10:00:00.000Z	27 \| good	5.232 \| good	22.038 \| good	8.554 \| good	0.962 \| good	15.041 \| good	0.179 \| good
2026-10-05T11:00:00.000Z	27 \| good	5.001 \| good	20.517 \| good	7.1 \| good	0.952 \| good	11.019 \| good	0.221 \| good
2026-10-05T12:00:00.000Z	27 \| good	5.36 \| good	23.466 \| good	4.269 \| good	0.945 \| good	7.326 \| good	0.319 \| good
2026-10-05T13:00:00.000Z	33 \| good	6.239 \| good	29.047 \| good	4.079 \| good	1.058 \| good	6.827 \| good	0.311 \| good
2026-10-05T14:00:00.000Z	38 \| good	6.653 \| good	29.336 \| good	7.455 \| good	1.307 \| good	9.438 \| good	0.38 \| good
2026-10-05T15:00:00.000Z	33 \| good	6.015 \| good	28.311 \| good	8.089 \| good	1.399 \| good	9.7 \| good	0.213 \| good
2026-10-05T16:00:00.000Z	33 \| good	6.101 \| good	25.283 \| good	13.357 \| good	1.239 \| good	7.043 \| good	0.159 \| good
2026-10-05T17:00:00.000Z	27 \| good	4.986 \| good	24.149 \| good	20.15 \| good	1.039 \| good	3.549 \| good	0.114 \| good
2026-10-05T18:00:00.000Z	27 \| good	4.803 \| good	23.265 \| good	23.867 \| good	1.665 \| good	2.971 \| good	0.114 \| good
2026-10-05T19:00:00.000Z	27 \| good	4.698 \| good	21.563 \| good	27.612 \| good	0.959 \| good	1.73 \| good	0.1 \| good
2026-10-05T20:00:00.000Z	31 \| good	4.632 \| good	19.687 \| good	33.23 \| good	0.848 \| good	1.515 \| good	0.114 \| good
2026-10-05T21:00:00.000Z	33 \| good	4.657 \| good	20.465 \| good	35.978 \| good	1.638 \| good	3.591 \| good	0.113 \| good
2026-10-05T22:00:00.000Z	36 \| good	4.537 \| good	18.594 \| good	38.897 \| good	0.819 \| good	3.952 \| good	0.113 \| good
2026-10-05T23:00:00.000Z	31 \| good	3.858 \| good	18.045 \| good	33.125 \| good	0.684 \| good	6.76 \| good	0.128 \| good
2026-10-06T00:00:00.000Z	27 \| good	3.943 \| good	17.753 \| good	29.157 \| good	0.598 \| good	12.368 \| good	0.14 \| good
2026-10-06T01:00:00.000Z	27 \| good	5.205 \| good	20.565 \| good	28.632 \| good	0.545 \| good	14.412 \| good	0.156 \| good
2026-10-06T02:00:00.000Z	27 \| good	5.304 \| good	22.281 \| good	26.193 \| good	0.658 \| good	20.938 \| good	0.212 \| good
2026-10-06T03:00:00.000Z	33 \| good	6.139 \| good	27.221 \| good	3.642 \| good	1.621 \| good	24.783 \| good	0.221 \| good
2026-10-06T04:00:00.000Z	27 \| good	5.202 \| good	24.083 \| good	15.323 \| good	2.142 \| good	19.39 \| good	0.18 \| good
2026-10-06T05:00:00.000Z	27 \| good	4.649 \| good	20.429 \| good	10.241 \| good	1.645 \| good	17.061 \| good	0.133 \| good
2026-10-06T06:00:00.000Z	33 \| good	5.679 \| good	25.793 \| good	8.762 \| good	0.812 \| good	17.226 \| good	0.133 \| good
2026-10-06T07:00:00.000Z	33 \| good	5.505 \| good	23.568 \| good	7.077 \| good	0.711 \| good	19.215 \| good	0.166 \| good
2026-10-06T08:00:00.000Z	33 \| good	5.511 \| good	20.975 \| good	5.489 \| good	0.763 \| good	16.637 \| good	0.12 \| good
2026-10-06T09:00:00.000Z	33 \| good	5.561 \| good	21.937 \| good	5.289 \| good	1.178 \| good	10.974 \| good	0.144 \| good
2026-10-06T10:00:00.000Z	27 \| good	5.048 \| good	18.289 \| good	5.598 \| good	0.773 \| good	6.47 \| good	0.144 \| good
2026-10-06T11:00:00.000Z	27 \| good	5.316 \| good	23.766 \| good	5.339 \| good	0.765 \| good	11.372 \| good	0.257 \| good
2026-10-06T12:00:00.000Z	27 \| good	5.23 \| good	20.805 \| good	5.535 \| good	0.907 \| good	11.821 \| good	0.271 \| good
2026-10-06T13:00:00.000Z	27 \| good	4.665 \| good	22.696 \| good	8.608 \| good	0.758 \| good	13.634 \| good	0.299 \| good
2026-10-06T14:00:00.000Z	60 \| moderate	13.593 \| fine	48.465 \| good	8.606 \| good	0.778 \| good	14.423 \| good	0.263 \| good
2026-10-06T15:00:00.000Z	56 \| moderate	12.225 \| fine	54.194 \| good	14.982 \| good	1.148 \| good	11.244 \| good	0.25 \| good
2026-10-06T16:00:00.000Z	44 \| good	8.233 \| good	40.698 \| good	19.067 \| good	1.066 \| good	11.539 \| good	0.194 \| good
2026-10-06T17:00:00.000Z	38 \| good	7.017 \| good	31.802 \| good	24.621 \| good	1.139 \| good	7.887 \| good	0.18 \| good
2026-10-06T18:00:00.000Z	33 \| good	5.733 \| good	26.367 \| good	28.66 \| good	1.032 \| good	4.871 \| good	0.159 \| good
2026-10-06T19:00:00.000Z	32 \| good	4.99 \| good	22.416 \| good	34.998 \| good	0.913 \| good	4.088 \| good	0.159 \| good
2026-10-06T20:00:00.000Z	36 \| good	4.799 \| good	22.645 \| good	39.409 \| good	0.785 \| good	4.66 \| good	0.159 \| good
2026-10-06T21:00:00.000Z	37 \| good	4.486 \| good	20.615 \| good	40.197 \| good	0.851 \| good	5.477 \| good	0.19 \| good
2026-10-06T22:00:00.000Z	38 \| good	4.282 \| good	24.26 \| good	41.247 \| good	0.888 \| good	5.421 \| good	0.211 \| good
2026-10-06T23:00:00.000Z	38 \| good	4.417 \| good	24.679 \| good	41.432 \| good	0.893 \| good	5.063 \| good	0.19 \| good
2026-10-07T00:00:00.000Z	37 \| good	4.848 \| good	26.499 \| good	40.371 \| good	0.923 \| good	6.248 \| good	0.225 \| good
2026-10-07T01:00:00.000Z	35 \| good	5.806 \| good	25.611 \| good	37.661 \| good	0.863 \| good	18.638 \| good	0.225 \| good
2026-10-07T02:00:00.000Z	34 \| good	5.655 \| good	25.383 \| good	37.323 \| good	0.809 \| good	18.59 \| good	0.207 \| good
2026-10-07T03:00:00.000Z	52 \| moderate	9.695 \| good	43.097 \| good	26.964 \| good	0.974 \| good	8.029 \| good	0.167 \| good
2026-10-07T04:00:00.000Z	33 \| good	5.757 \| good	25.293 \| good	33.947 \| good	0.8 \| good	17.992 \| good	0.183 \| good
2026-10-07T05:00:00.000Z	33 \| good	5.909 \| good	24.419 \| good	33.91 \| good	0.719 \| good	16.601 \| good	0.163 \| good
2026-10-07T06:00:00.000Z	33 \| good	5.909 \| good	24.419 \| good	33.91 \| good	0.719 \| good	16.601 \| good	0.163 \| good
2026-10-07T04:00:00.000Z	44 \| good	7.523 \| good	32.842 \| good	29.713 \| good	0.97 \| good	8.696 \| good	0.172 \| good
2026-10-07T05:00:00.000Z	49 \| good	8.545 \| good	37.154 \| good	29.947 \| good	0.961 \| good	7.553 \| good	0.172 \| good
2026-10-07T06:00:00.000Z	49 \| good	8.644 \| good	37.671 \| good	30.011 \| good	0.965 \| good	6.403 \| good	0.171 \| good
2026-10-07T07:00:00.000Z	44 \| good	8.196 \| good	35.841 \| good	26.583 \| good	0.996 \| good	5.926 \| good	0.171 \| good
2026-10-07T08:00:00.000Z	49 \| good	8.545 \| good	37.3 \| good	20.541 \| good	1.028 \| good	5.853 \| good	0.171 \| good
2026-10-07T09:00:00.000Z	44 \| good	8.499 \| good	37.074 \| good	17.892 \| good	1.035 \| good	6.04 \| good	0.172 \| good
2026-10-07T10:00:00.000Z	33 \| good	5.725 \| good	24.737 \| good	14.047 \| good	1.02 \| good	6.392 \| good	0.173 \| good
2026-10-07T11:00:00.000Z	38 \| good	7.098 \| good	31.587 \| good	10.018 \| good	0.981 \| good	7.057 \| good	0.176 \| good
2026-10-07T12:00:00.000Z	44 \| good	7.907 \| good	34.551 \| good	9.678 \| good	0.955 \| good	9.235 \| good	0.183 \| good
2026-10-07T13:00:00.000Z	44 \| good	7.784 \| good	33.945 \| good	12.251 \| good	0.924 \| good	10.526 \| good	0.198 \| good
2026-10-07T14:00:00.000Z	54 \| moderate	10.739 \| good	47.804 \| good	17.086 \| good	0.914 \| good	10.113 \| good	0.214 \| good
2026-10-07T15:00:00.000Z	49 \| good	9.259 \| good	41.077 \| good	24.123 \| good	0.883 \| good	7.962 \| good	0.206 \| good
2026-10-07T16:00:00.000Z	44 \| good	7.908 \| good	34.52 \| good	31.546 \| good	0.888 \| good	6.318 \| good	0.197 \| good
2026-10-07T17:00:00.000Z	38 \| good	7.402 \| good	32.29 \| good	37.589 \| good	0.883 \| good	5.075 \| good	0.19 \| good
2026-10-07T18:00:00.000Z	44 \| good	8.262 \| good	36.287 \| good	42.907 \| good	0.869 \| good	4.231 \| good	0.186 \| good
2026-10-07T19:00:00.000Z	44 \| good	7.612 \| good	33.398 \| good	45.197 \| good	0.823 \| good	3.478 \| good	0.179 \| good
2026-10-07T20:00:00.000Z	44 \| good	7.887 \| good	34.788 \| good	45.759 \| good	0.751 \| good	2.995 \| good	0.171 \| good
2026-10-07T21:00:00.000Z	44 \| good	7.874 \| good	34.873 \| good	41.02 \| good	0.688 \| good	2.996 \| good	0.166 \| good
2026-10-07T22:00:00.000Z	33 \| good	6.062 \| good	27.042 \| good	34.279 \| good	0.656 \| good	4.439 \| good	0.168 \| good
2026-10-07T23:00:00.000Z	27 \| good	5.055 \| good	21.793 \| good	21.556 \| good	0.653 \| good	7.857 \| good	0.179 \| good
2026-10-08T00:00:00.000Z	22 \| good	4.446 \| good	19.223 \| good	15.499 \| good	0.658 \| good	11.219 \| good	0.187 \| good
2026-10-08T01:00:00.000Z	22 \| good	4.421 \| good	19.119 \| good	15.044 \| good	0.645 \| good	11.304 \| good	0.179 \| good
2026-10-08T02:00:00.000Z	16 \| good	3.375 \| good	14.805 \| good	12.228 \| good	0.629 \| good	11.079 \| good	0.171 \| good
2026-10-08T03:00:00.000Z	13 \| good	2.251 \| good	9.47 \| good	14.389 \| good	0.616 \| good	11.13 \| good	0.166 \| good
2026-10-08T04:00:00.000Z	18 \| good	2.94 \| good	11.912 \| good	18.633 \| good	0.604 \| good	11.172 \| good	0.164 \| good
2026-10-08T05:00:00.000Z	19 \| good	2.981 \| good	12.243 \| good	19.767 \| good	0.577 \| good	10.436 \| good	0.163 \| good
2026-10-08T06:00:00.000Z	19 \| good	1.748 \| good	7.074 \| good	21.215 \| good	0.543 \| good	9.113 \| good	0.16 \| good
2026-10-08T07:00:00.000Z	17 \| good	0.747 \| good	2.956 \| good	17.845 \| good	0.521 \| good	8.296 \| good	0.157 \| good
2026-10-08T08:00:00.000Z	15 \| good	0.732 \| good	2.498 \| good	15.93 \| good	0.504 \| good	7.765 \| good	0.154 \| good
2026-10-08T09:00:00.000Z	12 \| good	0.67 \| good	2.658 \| good	12.593 \| good	0.492 \| good	7.562 \| good	0.153 \| good
2026-10-08T10:00:00.000Z	9 \| good	0.559 \| good	2.088 \| good	9.94 \| good	0.489 \| good	7.76 \| good	0.153 \| good
2026-10-08T11:00:00.000Z	11 \| good	1.507 \| good	5.943 \| good	4.444 \| good	0.507 \| good	8.715 \| good	0.156 \| good
2026-10-08T12:00:00.000Z	11 \| good	1.948 \| good	7.884 \| good	1.89 \| good	0.573 \| good	11.657 \| good	0.167 \| good
2026-10-08T13:00:00.000Z	11 \| good	2.122 \| good	8.562 \| good	5.836 \| good	0.658 \| good	12.378 \| good	0.192 \| good
2026-10-08T14:00:00.000Z	16 \| good	3.04 \| good	13.261 \| good	13.047 \| good	0.739 \| good	10.071 \| good	0.198 \| good
2026-10-08T15:00:00.000Z	21 \| good	2.605 \| good	10.465 \| good	23.271 \| good	0.83 \| good	7.853 \| good	0.182 \| good
2026-10-08T16:00:00.000Z	27 \| good	1.896 \| good	7.713 \| good	29.099 \| good	0.986 \| good	6.481 \| good	0.168 \| good
2026-10-08T17:00:00.000Z	31 \| good	1.582 \| good	6.469 \| good	34.067 \| good	1.038 \| good	5.292 \| good	0.156 \| good
2026-10-08T18:00:00.000Z	35 \| good	2.279 \| good	9.164 \| good	38.366 \| good	1.046 \| good	4.346 \| good	0.148 \| good
2026-10-08T19:00:00.000Z	36 \| good	2.253 \| good	9.096 \| good	38.853 \| good	1.029 \| good	3.745 \| good	0.144 \| good
2026-10-08T20:00:00.000Z	35 \| good	2.311 \| good	9.599 \| good	38.441 \| good	1.006 \| good	3.473 \| good	0.141 \| good
2026-10-08T21:00:00.000Z	32 \| good	2.131 \| good	8.733 \| good	35.489 \| good	0.993 \| good	3.602 \| good	0.141 \| good
2026-10-08T22:00:00.000Z	32 \| good	2.448 \| good	9.928 \| good	35.161 \| good	0.996 \| good	5.038 \| good	0.147 \| good
2026-10-08T23:00:00.000Z	27 \| good	4.869 \| good	20.806 \| good	24.061 \| good	1.072 \| good	16.706 \| good	0.211 \| good
2026-10-09T00:00:00.000Z	27 \| good	4.963 \| good	21.444 \| good	11.824 \| good	1.354 \| good	28.542 \| good	0.309 \| good
2026-10-09T01:00:00.000Z	33 \| good	6.135 \| good	27.214 \| good	5.046 \| good	1.667 \| good	29.821 \| good	0.382 \| good
2026-10-09T02:00:00.000Z	44 \| good	7.89 \| good	34.795 \| good	3.812 \| good	1.966 \| good	29.921 \| good	0.428 \| good
2026-10-09T03:00:00.000Z	38 \| good	6.883 \| good	30.234 \| good	4.795 \| good	2.275 \| good	29.755 \| good	0.469 \| good

Downers Grove

Empower business decisions with accurate air quality data

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

0.21ppm

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

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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 03:00:00 on 2026-10-06.

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 05:00:00 on 2026-10-06.

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

The real-time air quality index in Downers Grove, Illinois is 34, currently categorized as Good.

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

The most common pollutant in Downers Grove, Illinois is O3.

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 5.655 μg/m³.

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

The current PM₁₀ levels in Downers Grove, Illinois are 25.383 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 0.207 ppm.

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

The current sulfur dioxide (SO₂) levels in Downers Grove, Illinois are 0.809 ppb.

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

The current ozone (O₃) levels at Downers Grove, Illinois is 37.323 ppm.

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

The current nitrogen dioxide (NO₂) levels at Downers Grove, Illinois is 18.59 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-05T07:00:00.000Z	33 \| good	5.924 \| good	26.462 \| good	11.559 \| good	0.566 \| good	7.821 \| good	0.179 \| good
2026-10-05T08:00:00.000Z	33 \| good	5.619 \| good	24.523 \| good	8.122 \| good	0.659 \| good	9.574 \| good	0.145 \| good
2026-10-05T09:00:00.000Z	27 \| good	5.446 \| good	24.362 \| good	7.322 \| good	0.857 \| good	11.657 \| good	0.206 \| good
2026-10-05T10:00:00.000Z	27 \| good	5.232 \| good	22.038 \| good	8.554 \| good	0.962 \| good	15.041 \| good	0.179 \| good
2026-10-05T11:00:00.000Z	27 \| good	5.001 \| good	20.517 \| good	7.1 \| good	0.952 \| good	11.019 \| good	0.221 \| good
2026-10-05T12:00:00.000Z	27 \| good	5.36 \| good	23.466 \| good	4.269 \| good	0.945 \| good	7.326 \| good	0.319 \| good
2026-10-05T13:00:00.000Z	33 \| good	6.239 \| good	29.047 \| good	4.079 \| good	1.058 \| good	6.827 \| good	0.311 \| good
2026-10-05T14:00:00.000Z	38 \| good	6.653 \| good	29.336 \| good	7.455 \| good	1.307 \| good	9.438 \| good	0.38 \| good
2026-10-05T15:00:00.000Z	33 \| good	6.015 \| good	28.311 \| good	8.089 \| good	1.399 \| good	9.7 \| good	0.213 \| good
2026-10-05T16:00:00.000Z	33 \| good	6.101 \| good	25.283 \| good	13.357 \| good	1.239 \| good	7.043 \| good	0.159 \| good
2026-10-05T17:00:00.000Z	27 \| good	4.986 \| good	24.149 \| good	20.15 \| good	1.039 \| good	3.549 \| good	0.114 \| good
2026-10-05T18:00:00.000Z	27 \| good	4.803 \| good	23.265 \| good	23.867 \| good	1.665 \| good	2.971 \| good	0.114 \| good
2026-10-05T19:00:00.000Z	27 \| good	4.698 \| good	21.563 \| good	27.612 \| good	0.959 \| good	1.73 \| good	0.1 \| good
2026-10-05T20:00:00.000Z	31 \| good	4.632 \| good	19.687 \| good	33.23 \| good	0.848 \| good	1.515 \| good	0.114 \| good
2026-10-05T21:00:00.000Z	33 \| good	4.657 \| good	20.465 \| good	35.978 \| good	1.638 \| good	3.591 \| good	0.113 \| good
2026-10-05T22:00:00.000Z	36 \| good	4.537 \| good	18.594 \| good	38.897 \| good	0.819 \| good	3.952 \| good	0.113 \| good
2026-10-05T23:00:00.000Z	31 \| good	3.858 \| good	18.045 \| good	33.125 \| good	0.684 \| good	6.76 \| good	0.128 \| good
2026-10-06T00:00:00.000Z	27 \| good	3.943 \| good	17.753 \| good	29.157 \| good	0.598 \| good	12.368 \| good	0.14 \| good
2026-10-06T01:00:00.000Z	27 \| good	5.205 \| good	20.565 \| good	28.632 \| good	0.545 \| good	14.412 \| good	0.156 \| good
2026-10-06T02:00:00.000Z	27 \| good	5.304 \| good	22.281 \| good	26.193 \| good	0.658 \| good	20.938 \| good	0.212 \| good
2026-10-06T03:00:00.000Z	33 \| good	6.139 \| good	27.221 \| good	3.642 \| good	1.621 \| good	24.783 \| good	0.221 \| good
2026-10-06T04:00:00.000Z	27 \| good	5.202 \| good	24.083 \| good	15.323 \| good	2.142 \| good	19.39 \| good	0.18 \| good
2026-10-06T05:00:00.000Z	27 \| good	4.649 \| good	20.429 \| good	10.241 \| good	1.645 \| good	17.061 \| good	0.133 \| good
2026-10-06T06:00:00.000Z	33 \| good	5.679 \| good	25.793 \| good	8.762 \| good	0.812 \| good	17.226 \| good	0.133 \| good
2026-10-06T07:00:00.000Z	33 \| good	5.505 \| good	23.568 \| good	7.077 \| good	0.711 \| good	19.215 \| good	0.166 \| good
2026-10-06T08:00:00.000Z	33 \| good	5.511 \| good	20.975 \| good	5.489 \| good	0.763 \| good	16.637 \| good	0.12 \| good
2026-10-06T09:00:00.000Z	33 \| good	5.561 \| good	21.937 \| good	5.289 \| good	1.178 \| good	10.974 \| good	0.144 \| good
2026-10-06T10:00:00.000Z	27 \| good	5.048 \| good	18.289 \| good	5.598 \| good	0.773 \| good	6.47 \| good	0.144 \| good
2026-10-06T11:00:00.000Z	27 \| good	5.316 \| good	23.766 \| good	5.339 \| good	0.765 \| good	11.372 \| good	0.257 \| good
2026-10-06T12:00:00.000Z	27 \| good	5.23 \| good	20.805 \| good	5.535 \| good	0.907 \| good	11.821 \| good	0.271 \| good
2026-10-06T13:00:00.000Z	27 \| good	4.665 \| good	22.696 \| good	8.608 \| good	0.758 \| good	13.634 \| good	0.299 \| good
2026-10-06T14:00:00.000Z	60 \| moderate	13.593 \| fine	48.465 \| good	8.606 \| good	0.778 \| good	14.423 \| good	0.263 \| good
2026-10-06T15:00:00.000Z	56 \| moderate	12.225 \| fine	54.194 \| good	14.982 \| good	1.148 \| good	11.244 \| good	0.25 \| good
2026-10-06T16:00:00.000Z	44 \| good	8.233 \| good	40.698 \| good	19.067 \| good	1.066 \| good	11.539 \| good	0.194 \| good
2026-10-06T17:00:00.000Z	38 \| good	7.017 \| good	31.802 \| good	24.621 \| good	1.139 \| good	7.887 \| good	0.18 \| good
2026-10-06T18:00:00.000Z	33 \| good	5.733 \| good	26.367 \| good	28.66 \| good	1.032 \| good	4.871 \| good	0.159 \| good
2026-10-06T19:00:00.000Z	32 \| good	4.99 \| good	22.416 \| good	34.998 \| good	0.913 \| good	4.088 \| good	0.159 \| good
2026-10-06T20:00:00.000Z	36 \| good	4.799 \| good	22.645 \| good	39.409 \| good	0.785 \| good	4.66 \| good	0.159 \| good
2026-10-06T21:00:00.000Z	37 \| good	4.486 \| good	20.615 \| good	40.197 \| good	0.851 \| good	5.477 \| good	0.19 \| good
2026-10-06T22:00:00.000Z	38 \| good	4.282 \| good	24.26 \| good	41.247 \| good	0.888 \| good	5.421 \| good	0.211 \| good
2026-10-06T23:00:00.000Z	38 \| good	4.417 \| good	24.679 \| good	41.432 \| good	0.893 \| good	5.063 \| good	0.19 \| good
2026-10-07T00:00:00.000Z	37 \| good	4.848 \| good	26.499 \| good	40.371 \| good	0.923 \| good	6.248 \| good	0.225 \| good
2026-10-07T01:00:00.000Z	35 \| good	5.806 \| good	25.611 \| good	37.661 \| good	0.863 \| good	18.638 \| good	0.225 \| good
2026-10-07T02:00:00.000Z	34 \| good	5.655 \| good	25.383 \| good	37.323 \| good	0.809 \| good	18.59 \| good	0.207 \| good
2026-10-07T03:00:00.000Z	52 \| moderate	9.695 \| good	43.097 \| good	26.964 \| good	0.974 \| good	8.029 \| good	0.167 \| good
2026-10-07T04:00:00.000Z	33 \| good	5.757 \| good	25.293 \| good	33.947 \| good	0.8 \| good	17.992 \| good	0.183 \| good
2026-10-07T05:00:00.000Z	33 \| good	5.909 \| good	24.419 \| good	33.91 \| good	0.719 \| good	16.601 \| good	0.163 \| good
2026-10-07T06:00:00.000Z	33 \| good	5.909 \| good	24.419 \| good	33.91 \| good	0.719 \| good	16.601 \| good	0.163 \| good
2026-10-07T04:00:00.000Z	44 \| good	7.523 \| good	32.842 \| good	29.713 \| good	0.97 \| good	8.696 \| good	0.172 \| good
2026-10-07T05:00:00.000Z	49 \| good	8.545 \| good	37.154 \| good	29.947 \| good	0.961 \| good	7.553 \| good	0.172 \| good
2026-10-07T06:00:00.000Z	49 \| good	8.644 \| good	37.671 \| good	30.011 \| good	0.965 \| good	6.403 \| good	0.171 \| good
2026-10-07T07:00:00.000Z	44 \| good	8.196 \| good	35.841 \| good	26.583 \| good	0.996 \| good	5.926 \| good	0.171 \| good
2026-10-07T08:00:00.000Z	49 \| good	8.545 \| good	37.3 \| good	20.541 \| good	1.028 \| good	5.853 \| good	0.171 \| good
2026-10-07T09:00:00.000Z	44 \| good	8.499 \| good	37.074 \| good	17.892 \| good	1.035 \| good	6.04 \| good	0.172 \| good
2026-10-07T10:00:00.000Z	33 \| good	5.725 \| good	24.737 \| good	14.047 \| good	1.02 \| good	6.392 \| good	0.173 \| good
2026-10-07T11:00:00.000Z	38 \| good	7.098 \| good	31.587 \| good	10.018 \| good	0.981 \| good	7.057 \| good	0.176 \| good
2026-10-07T12:00:00.000Z	44 \| good	7.907 \| good	34.551 \| good	9.678 \| good	0.955 \| good	9.235 \| good	0.183 \| good
2026-10-07T13:00:00.000Z	44 \| good	7.784 \| good	33.945 \| good	12.251 \| good	0.924 \| good	10.526 \| good	0.198 \| good
2026-10-07T14:00:00.000Z	54 \| moderate	10.739 \| good	47.804 \| good	17.086 \| good	0.914 \| good	10.113 \| good	0.214 \| good
2026-10-07T15:00:00.000Z	49 \| good	9.259 \| good	41.077 \| good	24.123 \| good	0.883 \| good	7.962 \| good	0.206 \| good
2026-10-07T16:00:00.000Z	44 \| good	7.908 \| good	34.52 \| good	31.546 \| good	0.888 \| good	6.318 \| good	0.197 \| good
2026-10-07T17:00:00.000Z	38 \| good	7.402 \| good	32.29 \| good	37.589 \| good	0.883 \| good	5.075 \| good	0.19 \| good
2026-10-07T18:00:00.000Z	44 \| good	8.262 \| good	36.287 \| good	42.907 \| good	0.869 \| good	4.231 \| good	0.186 \| good
2026-10-07T19:00:00.000Z	44 \| good	7.612 \| good	33.398 \| good	45.197 \| good	0.823 \| good	3.478 \| good	0.179 \| good
2026-10-07T20:00:00.000Z	44 \| good	7.887 \| good	34.788 \| good	45.759 \| good	0.751 \| good	2.995 \| good	0.171 \| good
2026-10-07T21:00:00.000Z	44 \| good	7.874 \| good	34.873 \| good	41.02 \| good	0.688 \| good	2.996 \| good	0.166 \| good
2026-10-07T22:00:00.000Z	33 \| good	6.062 \| good	27.042 \| good	34.279 \| good	0.656 \| good	4.439 \| good	0.168 \| good
2026-10-07T23:00:00.000Z	27 \| good	5.055 \| good	21.793 \| good	21.556 \| good	0.653 \| good	7.857 \| good	0.179 \| good
2026-10-08T00:00:00.000Z	22 \| good	4.446 \| good	19.223 \| good	15.499 \| good	0.658 \| good	11.219 \| good	0.187 \| good
2026-10-08T01:00:00.000Z	22 \| good	4.421 \| good	19.119 \| good	15.044 \| good	0.645 \| good	11.304 \| good	0.179 \| good
2026-10-08T02:00:00.000Z	16 \| good	3.375 \| good	14.805 \| good	12.228 \| good	0.629 \| good	11.079 \| good	0.171 \| good
2026-10-08T03:00:00.000Z	13 \| good	2.251 \| good	9.47 \| good	14.389 \| good	0.616 \| good	11.13 \| good	0.166 \| good
2026-10-08T04:00:00.000Z	18 \| good	2.94 \| good	11.912 \| good	18.633 \| good	0.604 \| good	11.172 \| good	0.164 \| good
2026-10-08T05:00:00.000Z	19 \| good	2.981 \| good	12.243 \| good	19.767 \| good	0.577 \| good	10.436 \| good	0.163 \| good
2026-10-08T06:00:00.000Z	19 \| good	1.748 \| good	7.074 \| good	21.215 \| good	0.543 \| good	9.113 \| good	0.16 \| good
2026-10-08T07:00:00.000Z	17 \| good	0.747 \| good	2.956 \| good	17.845 \| good	0.521 \| good	8.296 \| good	0.157 \| good
2026-10-08T08:00:00.000Z	15 \| good	0.732 \| good	2.498 \| good	15.93 \| good	0.504 \| good	7.765 \| good	0.154 \| good
2026-10-08T09:00:00.000Z	12 \| good	0.67 \| good	2.658 \| good	12.593 \| good	0.492 \| good	7.562 \| good	0.153 \| good
2026-10-08T10:00:00.000Z	9 \| good	0.559 \| good	2.088 \| good	9.94 \| good	0.489 \| good	7.76 \| good	0.153 \| good
2026-10-08T11:00:00.000Z	11 \| good	1.507 \| good	5.943 \| good	4.444 \| good	0.507 \| good	8.715 \| good	0.156 \| good
2026-10-08T12:00:00.000Z	11 \| good	1.948 \| good	7.884 \| good	1.89 \| good	0.573 \| good	11.657 \| good	0.167 \| good
2026-10-08T13:00:00.000Z	11 \| good	2.122 \| good	8.562 \| good	5.836 \| good	0.658 \| good	12.378 \| good	0.192 \| good
2026-10-08T14:00:00.000Z	16 \| good	3.04 \| good	13.261 \| good	13.047 \| good	0.739 \| good	10.071 \| good	0.198 \| good
2026-10-08T15:00:00.000Z	21 \| good	2.605 \| good	10.465 \| good	23.271 \| good	0.83 \| good	7.853 \| good	0.182 \| good
2026-10-08T16:00:00.000Z	27 \| good	1.896 \| good	7.713 \| good	29.099 \| good	0.986 \| good	6.481 \| good	0.168 \| good
2026-10-08T17:00:00.000Z	31 \| good	1.582 \| good	6.469 \| good	34.067 \| good	1.038 \| good	5.292 \| good	0.156 \| good
2026-10-08T18:00:00.000Z	35 \| good	2.279 \| good	9.164 \| good	38.366 \| good	1.046 \| good	4.346 \| good	0.148 \| good
2026-10-08T19:00:00.000Z	36 \| good	2.253 \| good	9.096 \| good	38.853 \| good	1.029 \| good	3.745 \| good	0.144 \| good
2026-10-08T20:00:00.000Z	35 \| good	2.311 \| good	9.599 \| good	38.441 \| good	1.006 \| good	3.473 \| good	0.141 \| good
2026-10-08T21:00:00.000Z	32 \| good	2.131 \| good	8.733 \| good	35.489 \| good	0.993 \| good	3.602 \| good	0.141 \| good
2026-10-08T22:00:00.000Z	32 \| good	2.448 \| good	9.928 \| good	35.161 \| good	0.996 \| good	5.038 \| good	0.147 \| good
2026-10-08T23:00:00.000Z	27 \| good	4.869 \| good	20.806 \| good	24.061 \| good	1.072 \| good	16.706 \| good	0.211 \| good
2026-10-09T00:00:00.000Z	27 \| good	4.963 \| good	21.444 \| good	11.824 \| good	1.354 \| good	28.542 \| good	0.309 \| good
2026-10-09T01:00:00.000Z	33 \| good	6.135 \| good	27.214 \| good	5.046 \| good	1.667 \| good	29.821 \| good	0.382 \| good
2026-10-09T02:00:00.000Z	44 \| good	7.89 \| good	34.795 \| good	3.812 \| good	1.966 \| good	29.921 \| good	0.428 \| good
2026-10-09T03:00:00.000Z	38 \| good	6.883 \| good	30.234 \| good	4.795 \| good	2.275 \| good	29.755 \| good	0.469 \| good

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

Common air pollutants in Downers Grove, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Downers Grove, Illinois air quality forecast and history

Empower business decisions with accurate air quality data

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

Air quality in nearby cities

Westmont, Illinois

Lisle, Illinois

Hinsdale, Illinois

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Woodridge, Illinois

Lombard, Illinois

How accurate is Illinois, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

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

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

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

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

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

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

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

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

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

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

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

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

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