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

The current PM10 levels in Downers Grove, Illinois are 85.045 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 1.381 ppb.

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

The current ozone (O3) levels at Downers Grove, Illinois is 59.129 ppm.

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

The current nitrogen dioxide (NO2) levels at Downers Grove, Illinois is 1.245 ppb.

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

Name: Live air pollution levels in Downers Grove, Illinois today
Creator: Ambee

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)

Moderate

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)

21.66 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

95.51 μg/m³

155

255

425

605+

Ozone (O₃)

44.62 ppb

201

201+

Sulfur Dioxide (SO₂)

0.50 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.50 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.53 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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
2025-07-21T05:00:00.000Z	79 \| moderate	24.156 \| fine	51.506 \| good	32.526 \| good	0.39 \| good	1.568 \| good	0.266 \| good
2025-07-21T06:00:00.000Z	81 \| moderate	21.699 \| fine	115.713 \| fine	31.535 \| good	0.465 \| good	4.371 \| good	0.246 \| good
2025-07-21T07:00:00.000Z	107 \| sensitive	37.878 \| moderate	163.249 \| moderate	29.404 \| good	0.602 \| good	1.751 \| good	0.232 \| good
2025-07-21T08:00:00.000Z	105 \| sensitive	36.597 \| moderate	164.235 \| moderate	25.104 \| good	0.388 \| good	3.064 \| good	0.203 \| good
2025-07-21T09:00:00.000Z	117 \| sensitive	42.163 \| moderate	181.883 \| moderate	23.834 \| good	0.342 \| good	4.206 \| good	0.211 \| good
2025-07-21T10:00:00.000Z	134 \| sensitive	45.556 \| moderate	222.416 \| moderate	21.696 \| good	0.409 \| good	7.535 \| good	0.211 \| good
2025-07-21T11:00:00.000Z	124 \| sensitive	44.989 \| moderate	158.695 \| moderate	17.109 \| good	0.72 \| good	4.553 \| good	0.177 \| good
2025-07-21T12:00:00.000Z	115 \| sensitive	40.824 \| moderate	119.114 \| fine	16.684 \| good	1 \| good	6.1 \| good	0.177 \| good
2025-07-21T13:00:00.000Z	82 \| moderate	24.774 \| fine	118.21 \| fine	13.952 \| good	1.052 \| good	7.482 \| good	0.177 \| good
2025-07-21T14:00:00.000Z	58 \| moderate	12.958 \| fine	47.438 \| good	18.976 \| good	0.83 \| good	4.499 \| good	0.156 \| good
2025-07-21T15:00:00.000Z	64 \| moderate	15.775 \| fine	64.721 \| fine	26.674 \| good	2.866 \| good	4.099 \| good	0.156 \| good
2025-07-21T16:00:00.000Z	65 \| moderate	15.744 \| fine	84.357 \| fine	25.126 \| good	3.016 \| good	2.228 \| good	0.142 \| good
2025-07-21T17:00:00.000Z	66 \| moderate	17.416 \| fine	58.312 \| fine	32.855 \| good	1.325 \| good	1.594 \| good	0.142 \| good
2025-07-21T18:00:00.000Z	84 \| moderate	27.013 \| fine	109.294 \| fine	38.966 \| good	1.153 \| good	1.747 \| good	0.168 \| good
2025-07-21T19:00:00.000Z	96 \| moderate	33.127 \| fine	92.852 \| fine	44.77 \| good	1.553 \| good	1.841 \| good	0.202 \| good
2025-07-21T20:00:00.000Z	88 \| moderate	29.364 \| fine	115.589 \| fine	48.666 \| good	0.963 \| good	1.397 \| good	0.192 \| good
2025-07-21T21:00:00.000Z	79 \| moderate	23.618 \| fine	62.806 \| fine	51.622 \| good	2.276 \| good	1.452 \| good	0.201 \| good
2025-07-21T22:00:00.000Z	86 \| moderate	28.018 \| fine	105.732 \| fine	61.086 \| fine	2.355 \| good	1.635 \| good	0.234 \| good
2025-07-21T23:00:00.000Z	79 \| moderate	23.978 \| fine	103.117 \| fine	46.028 \| good	1.38 \| good	1.069 \| good	0.244 \| good
2025-07-22T00:00:00.000Z	84 \| moderate	26.697 \| fine	94.647 \| fine	54.721 \| good	1.235 \| good	1.891 \| good	0.264 \| good
2025-07-22T01:00:00.000Z	73 \| moderate	20.537 \| fine	69.989 \| fine	46.78 \| good	1.85 \| good	3.132 \| good	0.281 \| good
2025-07-22T02:00:00.000Z	82 \| moderate	26.009 \| fine	118.112 \| fine	39.833 \| good	1.545 \| good	8.014 \| good	0.275 \| good
2025-07-22T03:00:00.000Z	60 \| moderate	14.203 \| fine	63.286 \| fine	21.859 \| good	1.702 \| good	10.616 \| good	0.297 \| good
2025-07-22T04:00:00.000Z	84 \| moderate	27.313 \| fine	96.595 \| fine	36.499 \| good	0.429 \| good	7.635 \| good	0.2 \| good
2025-07-22T05:00:00.000Z	96 \| moderate	32.515 \| fine	136.598 \| fine	28.171 \| good	0.538 \| good	8.163 \| good	0.159 \| good
2025-07-22T06:00:00.000Z	94 \| moderate	31.936 \| fine	100.069 \| fine	32.654 \| good	0.957 \| good	10.481 \| good	0.159 \| good
2025-07-22T07:00:00.000Z	86 \| moderate	28.063 \| fine	70.686 \| fine	31.385 \| good	0.772 \| good	10.128 \| good	0.128 \| good
2025-07-22T08:00:00.000Z	82 \| moderate	26.477 \| fine	101.086 \| fine	19.445 \| good	0.459 \| good	12.713 \| good	0.128 \| good
2025-07-22T09:00:00.000Z	77 \| moderate	23.339 \| fine	74.749 \| fine	23.033 \| good	0.31 \| good	11.157 \| good	0.114 \| good
2025-07-22T10:00:00.000Z	82 \| moderate	25.821 \| fine	46.512 \| good	22.402 \| good	0.351 \| good	10.188 \| good	0.128 \| good
2025-07-22T11:00:00.000Z	88 \| moderate	29.399 \| fine	119.256 \| fine	21.882 \| good	0.528 \| good	9.031 \| good	0.18 \| good
2025-07-22T12:00:00.000Z	86 \| moderate	27.983 \| fine	101.391 \| fine	18.296 \| good	0.521 \| good	8.918 \| good	0.18 \| good
2025-07-22T13:00:00.000Z	90 \| moderate	29.854 \| fine	132.392 \| fine	23.123 \| good	0.309 \| good	6.877 \| good	0.18 \| good
2025-07-22T14:00:00.000Z	88 \| moderate	29.422 \| fine	128.455 \| fine	22.926 \| good	0.664 \| good	4.18 \| good	0.193 \| good
2025-07-22T15:00:00.000Z	86 \| moderate	28.222 \| fine	126.431 \| fine	30.554 \| good	0.768 \| good	4.872 \| good	0.226 \| good
2025-07-22T16:00:00.000Z	88 \| moderate	29.259 \| fine	109.549 \| fine	34.323 \| good	1.201 \| good	3.511 \| good	0.211 \| good
2025-07-22T17:00:00.000Z	88 \| moderate	29.095 \| fine	129.141 \| fine	41.551 \| good	1.029 \| good	2.115 \| good	0.211 \| good
2025-07-22T18:00:00.000Z	88 \| moderate	28.894 \| fine	103.24 \| fine	43.969 \| good	1.032 \| good	2.114 \| good	0.197 \| good
2025-07-22T19:00:00.000Z	88 \| moderate	29.312 \| fine	116.019 \| fine	51.318 \| good	0.875 \| good	1.935 \| good	0.231 \| good
2025-07-22T20:00:00.000Z	82 \| moderate	26.223 \| fine	110.293 \| fine	52.709 \| good	0.745 \| good	1.739 \| good	0.247 \| good
2025-07-22T21:00:00.000Z	82 \| moderate	26.389 \| fine	95.814 \| fine	51.322 \| good	0.648 \| good	1.89 \| good	0.348 \| good
2025-07-22T22:00:00.000Z	75 \| moderate	22.47 \| fine	99.102 \| fine	52.233 \| good	0.74 \| good	2.194 \| good	0.464 \| good
2025-07-22T23:00:00.000Z	73 \| moderate	21.281 \| fine	95.983 \| fine	56.292 \| fine	0.712 \| good	1.854 \| good	0.531 \| good
2025-07-23T00:00:00.000Z	71 \| moderate	20.243 \| fine	73.631 \| fine	53.54 \| good	0.893 \| good	1.838 \| good	0.498 \| good
2025-07-23T01:00:00.000Z	71 \| moderate	19.684 \| fine	80.934 \| fine	52.486 \| good	0.7 \| good	2.6 \| good	0.47 \| good
2025-07-23T02:00:00.000Z	71 \| moderate	19.752 \| fine	75.646 \| fine	49.954 \| good	0.616 \| good	4.015 \| good	0.504 \| good
2025-07-23T03:00:00.000Z	71 \| moderate	20.27 \| fine	60.909 \| fine	44.673 \| good	0.49 \| good	4.327 \| good	0.518 \| good
2025-07-23T04:00:00.000Z	71 \| moderate	20.199 \| fine	90.493 \| fine	44.403 \| good	0.508 \| good	4.396 \| good	0.437 \| good
2025-07-23T04:00:00.000Z	75 \| moderate	21.655 \| fine	95.508 \| fine	44.624 \| good	0.503 \| good	5.498 \| good	0.525 \| good
2025-07-22T00:00:00.000Z	71 \| moderate	20.264 \| fine	88.547 \| fine	41.152 \| good	1.568 \| good	6.273 \| good	0.282 \| good
2025-07-22T01:00:00.000Z	60 \| moderate	14.244 \| fine	63.921 \| fine	33.382 \| good	1.572 \| good	7.618 \| good	0.283 \| good
2025-07-22T02:00:00.000Z	56 \| moderate	11.54 \| good	51.271 \| good	29.171 \| good	1.575 \| good	8.962 \| good	0.283 \| good
2025-07-22T03:00:00.000Z	49 \| good	8.66 \| good	37.995 \| good	23.71 \| good	1.578 \| good	10.307 \| good	0.284 \| good
2025-07-22T04:00:00.000Z	38 \| good	7.434 \| good	32.534 \| good	22.966 \| good	1.598 \| good	10.296 \| good	0.283 \| good
2025-07-22T05:00:00.000Z	38 \| good	7.462 \| good	32.55 \| good	21.814 \| good	1.617 \| good	10.285 \| good	0.282 \| good
2025-07-22T06:00:00.000Z	52 \| moderate	10.345 \| good	45.49 \| good	17.683 \| good	1.637 \| good	10.274 \| good	0.28 \| good
2025-07-22T07:00:00.000Z	58 \| moderate	12.957 \| fine	57.682 \| fine	14.708 \| good	1.776 \| good	10.187 \| good	0.285 \| good
2025-07-22T08:00:00.000Z	62 \| moderate	14.77 \| fine	65.879 \| fine	12.424 \| good	1.914 \| good	10.101 \| good	0.29 \| good
2025-07-22T09:00:00.000Z	69 \| moderate	18.911 \| fine	83.837 \| fine	11.834 \| good	2.053 \| good	10.014 \| good	0.296 \| good
2025-07-22T10:00:00.000Z	77 \| moderate	22.644 \| fine	99.498 \| fine	13.265 \| good	2.109 \| good	9.779 \| good	0.302 \| good
2025-07-22T11:00:00.000Z	79 \| moderate	24.426 \| fine	106.83 \| fine	15.096 \| good	2.164 \| good	9.543 \| good	0.308 \| good
2025-07-22T12:00:00.000Z	75 \| moderate	22.469 \| fine	98.308 \| fine	19.527 \| good	2.22 \| good	9.307 \| good	0.314 \| good
2025-07-22T13:00:00.000Z	67 \| moderate	18.358 \| fine	80.902 \| fine	26.55 \| good	2.362 \| good	8.565 \| good	0.317 \| good
2025-07-22T14:00:00.000Z	66 \| moderate	17.233 \| fine	76.595 \| fine	33.642 \| good	2.504 \| good	7.823 \| good	0.32 \| good
2025-07-22T15:00:00.000Z	64 \| moderate	16.236 \| fine	72.549 \| fine	37.362 \| good	2.647 \| good	7.081 \| good	0.324 \| good
2025-07-22T16:00:00.000Z	60 \| moderate	14.302 \| fine	63.471 \| fine	43.667 \| good	2.641 \| good	5.476 \| good	0.3 \| good
2025-07-22T17:00:00.000Z	60 \| moderate	13.972 \| fine	62.834 \| fine	48.525 \| good	2.635 \| good	3.872 \| good	0.276 \| good
2025-07-22T18:00:00.000Z	58 \| moderate	12.954 \| fine	58.6 \| fine	50.307 \| good	2.629 \| good	2.268 \| good	0.252 \| good
2025-07-22T19:00:00.000Z	56 \| moderate	12.046 \| good	54.105 \| good	48.591 \| good	2.498 \| good	2.331 \| good	0.245 \| good
2025-07-22T20:00:00.000Z	54 \| moderate	11.053 \| good	48.873 \| good	50.324 \| good	2.367 \| good	2.395 \| good	0.238 \| good
2025-07-22T21:00:00.000Z	54 \| moderate	11.38 \| good	50.209 \| good	49.911 \| good	2.236 \| good	2.459 \| good	0.23 \| good
2025-07-22T22:00:00.000Z	56 \| moderate	11.539 \| good	50.966 \| good	49.393 \| good	2.131 \| good	3.783 \| good	0.233 \| good
2025-07-22T23:00:00.000Z	56 \| moderate	12.376 \| fine	55.263 \| fine	44.83 \| good	2.026 \| good	5.107 \| good	0.236 \| good
2025-07-23T00:00:00.000Z	56 \| moderate	12.072 \| good	54.077 \| good	41.993 \| good	1.921 \| good	6.43 \| good	0.239 \| good
2025-07-23T01:00:00.000Z	52 \| moderate	10.223 \| good	45.059 \| good	35.843 \| good	2.039 \| good	8.065 \| good	0.249 \| good
2025-07-23T02:00:00.000Z	52 \| moderate	10.453 \| good	46.252 \| good	32.224 \| good	2.157 \| good	9.7 \| good	0.26 \| good
2025-07-23T03:00:00.000Z	56 \| moderate	12.328 \| fine	55.334 \| fine	29.102 \| good	2.274 \| good	11.335 \| good	0.271 \| good
2025-07-23T04:00:00.000Z	56 \| moderate	11.753 \| good	51.763 \| good	26.338 \| good	2.294 \| good	10.432 \| good	0.268 \| good
2025-07-23T05:00:00.000Z	54 \| moderate	11.461 \| good	50.743 \| good	23.173 \| good	2.313 \| good	9.529 \| good	0.265 \| good
2025-07-23T06:00:00.000Z	54 \| moderate	10.999 \| good	48.62 \| good	22.426 \| good	2.332 \| good	8.625 \| good	0.262 \| good
2025-07-23T07:00:00.000Z	52 \| moderate	10.438 \| good	45.964 \| good	21.568 \| good	2.244 \| good	7.845 \| good	0.255 \| good
2025-07-23T08:00:00.000Z	54 \| moderate	11.022 \| good	48.622 \| good	20.861 \| good	2.155 \| good	7.066 \| good	0.248 \| good
2025-07-23T09:00:00.000Z	56 \| moderate	12.345 \| fine	55.471 \| fine	21.659 \| good	2.066 \| good	6.286 \| good	0.24 \| good
2025-07-23T10:00:00.000Z	62 \| moderate	15.033 \| fine	67.03 \| fine	23.59 \| good	2.046 \| good	6.107 \| good	0.24 \| good
2025-07-23T11:00:00.000Z	62 \| moderate	15.311 \| fine	69.044 \| fine	24.366 \| good	2.025 \| good	5.929 \| good	0.239 \| good
2025-07-23T12:00:00.000Z	64 \| moderate	15.919 \| fine	71.265 \| fine	25.906 \| good	2.005 \| good	5.75 \| good	0.239 \| good
2025-07-23T13:00:00.000Z	64 \| moderate	16.464 \| fine	73.504 \| fine	32.027 \| good	2.565 \| good	5.335 \| good	0.243 \| good
2025-07-23T14:00:00.000Z	64 \| moderate	15.98 \| fine	71.377 \| fine	41.474 \| good	3.125 \| good	4.921 \| good	0.248 \| good
2025-07-23T15:00:00.000Z	62 \| moderate	15.303 \| fine	68.014 \| fine	45.691 \| good	3.686 \| good	4.506 \| good	0.252 \| good
2025-07-23T16:00:00.000Z	64 \| moderate	16.461 \| fine	73.191 \| fine	51.347 \| good	3.634 \| good	3.637 \| good	0.24 \| good
2025-07-23T17:00:00.000Z	66 \| moderate	17.171 \| fine	75.768 \| fine	51.137 \| good	3.582 \| good	2.768 \| good	0.227 \| good
2025-07-23T18:00:00.000Z	62 \| moderate	14.672 \| fine	65.582 \| fine	50.773 \| good	3.53 \| good	1.899 \| good	0.214 \| good
2025-07-23T19:00:00.000Z	58 \| moderate	13.172 \| fine	59.383 \| fine	49.5 \| good	3.129 \| good	1.917 \| good	0.207 \| good
2025-07-23T20:00:00.000Z	56 \| moderate	11.979 \| good	53.156 \| good	47.795 \| good	2.728 \| good	1.935 \| good	0.2 \| good
2025-07-23T21:00:00.000Z	56 \| moderate	12.229 \| fine	54.569 \| good	45.605 \| good	2.327 \| good	1.953 \| good	0.192 \| good
2025-07-23T22:00:00.000Z	58 \| moderate	13.383 \| fine	59.865 \| fine	44.445 \| good	2.158 \| good	3.25 \| good	0.198 \| good
2025-07-23T23:00:00.000Z	60 \| moderate	13.74 \| fine	61.609 \| fine	41.559 \| good	1.988 \| good	4.548 \| good	0.204 \| good

Downers Grove

Empower business decisions with accurate air quality data

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

0.23ppm

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 11:00:00 on 2025-07-21.

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 02:00:00 on 2025-07-21.

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

The real-time air quality index in Downers Grove, Illinois is 75, currently categorized as Moderate.

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 21.954 μg/m³.

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

The current PM₁₀ levels in Downers Grove, Illinois are 85.045 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 0.243 ppm.

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

The current sulfur dioxide (SO₂) levels in Downers Grove, Illinois are 1.381 ppb.

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

The current ozone (O₃) levels at Downers Grove, Illinois is 59.129 ppm.

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

The current nitrogen dioxide (NO₂) levels at Downers Grove, Illinois is 1.245 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-21T05:00:00.000Z	79 \| moderate	24.156 \| fine	51.506 \| good	32.526 \| good	0.39 \| good	1.568 \| good	0.266 \| good
2025-07-21T06:00:00.000Z	81 \| moderate	21.699 \| fine	115.713 \| fine	31.535 \| good	0.465 \| good	4.371 \| good	0.246 \| good
2025-07-21T07:00:00.000Z	107 \| sensitive	37.878 \| moderate	163.249 \| moderate	29.404 \| good	0.602 \| good	1.751 \| good	0.232 \| good
2025-07-21T08:00:00.000Z	105 \| sensitive	36.597 \| moderate	164.235 \| moderate	25.104 \| good	0.388 \| good	3.064 \| good	0.203 \| good
2025-07-21T09:00:00.000Z	117 \| sensitive	42.163 \| moderate	181.883 \| moderate	23.834 \| good	0.342 \| good	4.206 \| good	0.211 \| good
2025-07-21T10:00:00.000Z	134 \| sensitive	45.556 \| moderate	222.416 \| moderate	21.696 \| good	0.409 \| good	7.535 \| good	0.211 \| good
2025-07-21T11:00:00.000Z	124 \| sensitive	44.989 \| moderate	158.695 \| moderate	17.109 \| good	0.72 \| good	4.553 \| good	0.177 \| good
2025-07-21T12:00:00.000Z	115 \| sensitive	40.824 \| moderate	119.114 \| fine	16.684 \| good	1 \| good	6.1 \| good	0.177 \| good
2025-07-21T13:00:00.000Z	82 \| moderate	24.774 \| fine	118.21 \| fine	13.952 \| good	1.052 \| good	7.482 \| good	0.177 \| good
2025-07-21T14:00:00.000Z	58 \| moderate	12.958 \| fine	47.438 \| good	18.976 \| good	0.83 \| good	4.499 \| good	0.156 \| good
2025-07-21T15:00:00.000Z	64 \| moderate	15.775 \| fine	64.721 \| fine	26.674 \| good	2.866 \| good	4.099 \| good	0.156 \| good
2025-07-21T16:00:00.000Z	65 \| moderate	15.744 \| fine	84.357 \| fine	25.126 \| good	3.016 \| good	2.228 \| good	0.142 \| good
2025-07-21T17:00:00.000Z	66 \| moderate	17.416 \| fine	58.312 \| fine	32.855 \| good	1.325 \| good	1.594 \| good	0.142 \| good
2025-07-21T18:00:00.000Z	84 \| moderate	27.013 \| fine	109.294 \| fine	38.966 \| good	1.153 \| good	1.747 \| good	0.168 \| good
2025-07-21T19:00:00.000Z	96 \| moderate	33.127 \| fine	92.852 \| fine	44.77 \| good	1.553 \| good	1.841 \| good	0.202 \| good
2025-07-21T20:00:00.000Z	88 \| moderate	29.364 \| fine	115.589 \| fine	48.666 \| good	0.963 \| good	1.397 \| good	0.192 \| good
2025-07-21T21:00:00.000Z	79 \| moderate	23.618 \| fine	62.806 \| fine	51.622 \| good	2.276 \| good	1.452 \| good	0.201 \| good
2025-07-21T22:00:00.000Z	86 \| moderate	28.018 \| fine	105.732 \| fine	61.086 \| fine	2.355 \| good	1.635 \| good	0.234 \| good
2025-07-21T23:00:00.000Z	79 \| moderate	23.978 \| fine	103.117 \| fine	46.028 \| good	1.38 \| good	1.069 \| good	0.244 \| good
2025-07-22T00:00:00.000Z	84 \| moderate	26.697 \| fine	94.647 \| fine	54.721 \| good	1.235 \| good	1.891 \| good	0.264 \| good
2025-07-22T01:00:00.000Z	73 \| moderate	20.537 \| fine	69.989 \| fine	46.78 \| good	1.85 \| good	3.132 \| good	0.281 \| good
2025-07-22T02:00:00.000Z	82 \| moderate	26.009 \| fine	118.112 \| fine	39.833 \| good	1.545 \| good	8.014 \| good	0.275 \| good
2025-07-22T03:00:00.000Z	60 \| moderate	14.203 \| fine	63.286 \| fine	21.859 \| good	1.702 \| good	10.616 \| good	0.297 \| good
2025-07-22T04:00:00.000Z	84 \| moderate	27.313 \| fine	96.595 \| fine	36.499 \| good	0.429 \| good	7.635 \| good	0.2 \| good
2025-07-22T05:00:00.000Z	96 \| moderate	32.515 \| fine	136.598 \| fine	28.171 \| good	0.538 \| good	8.163 \| good	0.159 \| good
2025-07-22T06:00:00.000Z	94 \| moderate	31.936 \| fine	100.069 \| fine	32.654 \| good	0.957 \| good	10.481 \| good	0.159 \| good
2025-07-22T07:00:00.000Z	86 \| moderate	28.063 \| fine	70.686 \| fine	31.385 \| good	0.772 \| good	10.128 \| good	0.128 \| good
2025-07-22T08:00:00.000Z	82 \| moderate	26.477 \| fine	101.086 \| fine	19.445 \| good	0.459 \| good	12.713 \| good	0.128 \| good
2025-07-22T09:00:00.000Z	77 \| moderate	23.339 \| fine	74.749 \| fine	23.033 \| good	0.31 \| good	11.157 \| good	0.114 \| good
2025-07-22T10:00:00.000Z	82 \| moderate	25.821 \| fine	46.512 \| good	22.402 \| good	0.351 \| good	10.188 \| good	0.128 \| good
2025-07-22T11:00:00.000Z	88 \| moderate	29.399 \| fine	119.256 \| fine	21.882 \| good	0.528 \| good	9.031 \| good	0.18 \| good
2025-07-22T12:00:00.000Z	86 \| moderate	27.983 \| fine	101.391 \| fine	18.296 \| good	0.521 \| good	8.918 \| good	0.18 \| good
2025-07-22T13:00:00.000Z	90 \| moderate	29.854 \| fine	132.392 \| fine	23.123 \| good	0.309 \| good	6.877 \| good	0.18 \| good
2025-07-22T14:00:00.000Z	88 \| moderate	29.422 \| fine	128.455 \| fine	22.926 \| good	0.664 \| good	4.18 \| good	0.193 \| good
2025-07-22T15:00:00.000Z	86 \| moderate	28.222 \| fine	126.431 \| fine	30.554 \| good	0.768 \| good	4.872 \| good	0.226 \| good
2025-07-22T16:00:00.000Z	88 \| moderate	29.259 \| fine	109.549 \| fine	34.323 \| good	1.201 \| good	3.511 \| good	0.211 \| good
2025-07-22T17:00:00.000Z	88 \| moderate	29.095 \| fine	129.141 \| fine	41.551 \| good	1.029 \| good	2.115 \| good	0.211 \| good
2025-07-22T18:00:00.000Z	88 \| moderate	28.894 \| fine	103.24 \| fine	43.969 \| good	1.032 \| good	2.114 \| good	0.197 \| good
2025-07-22T19:00:00.000Z	88 \| moderate	29.312 \| fine	116.019 \| fine	51.318 \| good	0.875 \| good	1.935 \| good	0.231 \| good
2025-07-22T20:00:00.000Z	82 \| moderate	26.223 \| fine	110.293 \| fine	52.709 \| good	0.745 \| good	1.739 \| good	0.247 \| good
2025-07-22T21:00:00.000Z	82 \| moderate	26.389 \| fine	95.814 \| fine	51.322 \| good	0.648 \| good	1.89 \| good	0.348 \| good
2025-07-22T22:00:00.000Z	75 \| moderate	22.47 \| fine	99.102 \| fine	52.233 \| good	0.74 \| good	2.194 \| good	0.464 \| good
2025-07-22T23:00:00.000Z	73 \| moderate	21.281 \| fine	95.983 \| fine	56.292 \| fine	0.712 \| good	1.854 \| good	0.531 \| good
2025-07-23T00:00:00.000Z	71 \| moderate	20.243 \| fine	73.631 \| fine	53.54 \| good	0.893 \| good	1.838 \| good	0.498 \| good
2025-07-23T01:00:00.000Z	71 \| moderate	19.684 \| fine	80.934 \| fine	52.486 \| good	0.7 \| good	2.6 \| good	0.47 \| good
2025-07-23T02:00:00.000Z	71 \| moderate	19.752 \| fine	75.646 \| fine	49.954 \| good	0.616 \| good	4.015 \| good	0.504 \| good
2025-07-23T03:00:00.000Z	71 \| moderate	20.27 \| fine	60.909 \| fine	44.673 \| good	0.49 \| good	4.327 \| good	0.518 \| good
2025-07-23T04:00:00.000Z	71 \| moderate	20.199 \| fine	90.493 \| fine	44.403 \| good	0.508 \| good	4.396 \| good	0.437 \| good
2025-07-23T04:00:00.000Z	75 \| moderate	21.655 \| fine	95.508 \| fine	44.624 \| good	0.503 \| good	5.498 \| good	0.525 \| good
2025-07-22T00:00:00.000Z	71 \| moderate	20.264 \| fine	88.547 \| fine	41.152 \| good	1.568 \| good	6.273 \| good	0.282 \| good
2025-07-22T01:00:00.000Z	60 \| moderate	14.244 \| fine	63.921 \| fine	33.382 \| good	1.572 \| good	7.618 \| good	0.283 \| good
2025-07-22T02:00:00.000Z	56 \| moderate	11.54 \| good	51.271 \| good	29.171 \| good	1.575 \| good	8.962 \| good	0.283 \| good
2025-07-22T03:00:00.000Z	49 \| good	8.66 \| good	37.995 \| good	23.71 \| good	1.578 \| good	10.307 \| good	0.284 \| good
2025-07-22T04:00:00.000Z	38 \| good	7.434 \| good	32.534 \| good	22.966 \| good	1.598 \| good	10.296 \| good	0.283 \| good
2025-07-22T05:00:00.000Z	38 \| good	7.462 \| good	32.55 \| good	21.814 \| good	1.617 \| good	10.285 \| good	0.282 \| good
2025-07-22T06:00:00.000Z	52 \| moderate	10.345 \| good	45.49 \| good	17.683 \| good	1.637 \| good	10.274 \| good	0.28 \| good
2025-07-22T07:00:00.000Z	58 \| moderate	12.957 \| fine	57.682 \| fine	14.708 \| good	1.776 \| good	10.187 \| good	0.285 \| good
2025-07-22T08:00:00.000Z	62 \| moderate	14.77 \| fine	65.879 \| fine	12.424 \| good	1.914 \| good	10.101 \| good	0.29 \| good
2025-07-22T09:00:00.000Z	69 \| moderate	18.911 \| fine	83.837 \| fine	11.834 \| good	2.053 \| good	10.014 \| good	0.296 \| good
2025-07-22T10:00:00.000Z	77 \| moderate	22.644 \| fine	99.498 \| fine	13.265 \| good	2.109 \| good	9.779 \| good	0.302 \| good
2025-07-22T11:00:00.000Z	79 \| moderate	24.426 \| fine	106.83 \| fine	15.096 \| good	2.164 \| good	9.543 \| good	0.308 \| good
2025-07-22T12:00:00.000Z	75 \| moderate	22.469 \| fine	98.308 \| fine	19.527 \| good	2.22 \| good	9.307 \| good	0.314 \| good
2025-07-22T13:00:00.000Z	67 \| moderate	18.358 \| fine	80.902 \| fine	26.55 \| good	2.362 \| good	8.565 \| good	0.317 \| good
2025-07-22T14:00:00.000Z	66 \| moderate	17.233 \| fine	76.595 \| fine	33.642 \| good	2.504 \| good	7.823 \| good	0.32 \| good
2025-07-22T15:00:00.000Z	64 \| moderate	16.236 \| fine	72.549 \| fine	37.362 \| good	2.647 \| good	7.081 \| good	0.324 \| good
2025-07-22T16:00:00.000Z	60 \| moderate	14.302 \| fine	63.471 \| fine	43.667 \| good	2.641 \| good	5.476 \| good	0.3 \| good
2025-07-22T17:00:00.000Z	60 \| moderate	13.972 \| fine	62.834 \| fine	48.525 \| good	2.635 \| good	3.872 \| good	0.276 \| good
2025-07-22T18:00:00.000Z	58 \| moderate	12.954 \| fine	58.6 \| fine	50.307 \| good	2.629 \| good	2.268 \| good	0.252 \| good
2025-07-22T19:00:00.000Z	56 \| moderate	12.046 \| good	54.105 \| good	48.591 \| good	2.498 \| good	2.331 \| good	0.245 \| good
2025-07-22T20:00:00.000Z	54 \| moderate	11.053 \| good	48.873 \| good	50.324 \| good	2.367 \| good	2.395 \| good	0.238 \| good
2025-07-22T21:00:00.000Z	54 \| moderate	11.38 \| good	50.209 \| good	49.911 \| good	2.236 \| good	2.459 \| good	0.23 \| good
2025-07-22T22:00:00.000Z	56 \| moderate	11.539 \| good	50.966 \| good	49.393 \| good	2.131 \| good	3.783 \| good	0.233 \| good
2025-07-22T23:00:00.000Z	56 \| moderate	12.376 \| fine	55.263 \| fine	44.83 \| good	2.026 \| good	5.107 \| good	0.236 \| good
2025-07-23T00:00:00.000Z	56 \| moderate	12.072 \| good	54.077 \| good	41.993 \| good	1.921 \| good	6.43 \| good	0.239 \| good
2025-07-23T01:00:00.000Z	52 \| moderate	10.223 \| good	45.059 \| good	35.843 \| good	2.039 \| good	8.065 \| good	0.249 \| good
2025-07-23T02:00:00.000Z	52 \| moderate	10.453 \| good	46.252 \| good	32.224 \| good	2.157 \| good	9.7 \| good	0.26 \| good
2025-07-23T03:00:00.000Z	56 \| moderate	12.328 \| fine	55.334 \| fine	29.102 \| good	2.274 \| good	11.335 \| good	0.271 \| good
2025-07-23T04:00:00.000Z	56 \| moderate	11.753 \| good	51.763 \| good	26.338 \| good	2.294 \| good	10.432 \| good	0.268 \| good
2025-07-23T05:00:00.000Z	54 \| moderate	11.461 \| good	50.743 \| good	23.173 \| good	2.313 \| good	9.529 \| good	0.265 \| good
2025-07-23T06:00:00.000Z	54 \| moderate	10.999 \| good	48.62 \| good	22.426 \| good	2.332 \| good	8.625 \| good	0.262 \| good
2025-07-23T07:00:00.000Z	52 \| moderate	10.438 \| good	45.964 \| good	21.568 \| good	2.244 \| good	7.845 \| good	0.255 \| good
2025-07-23T08:00:00.000Z	54 \| moderate	11.022 \| good	48.622 \| good	20.861 \| good	2.155 \| good	7.066 \| good	0.248 \| good
2025-07-23T09:00:00.000Z	56 \| moderate	12.345 \| fine	55.471 \| fine	21.659 \| good	2.066 \| good	6.286 \| good	0.24 \| good
2025-07-23T10:00:00.000Z	62 \| moderate	15.033 \| fine	67.03 \| fine	23.59 \| good	2.046 \| good	6.107 \| good	0.24 \| good
2025-07-23T11:00:00.000Z	62 \| moderate	15.311 \| fine	69.044 \| fine	24.366 \| good	2.025 \| good	5.929 \| good	0.239 \| good
2025-07-23T12:00:00.000Z	64 \| moderate	15.919 \| fine	71.265 \| fine	25.906 \| good	2.005 \| good	5.75 \| good	0.239 \| good
2025-07-23T13:00:00.000Z	64 \| moderate	16.464 \| fine	73.504 \| fine	32.027 \| good	2.565 \| good	5.335 \| good	0.243 \| good
2025-07-23T14:00:00.000Z	64 \| moderate	15.98 \| fine	71.377 \| fine	41.474 \| good	3.125 \| good	4.921 \| good	0.248 \| good
2025-07-23T15:00:00.000Z	62 \| moderate	15.303 \| fine	68.014 \| fine	45.691 \| good	3.686 \| good	4.506 \| good	0.252 \| good
2025-07-23T16:00:00.000Z	64 \| moderate	16.461 \| fine	73.191 \| fine	51.347 \| good	3.634 \| good	3.637 \| good	0.24 \| good
2025-07-23T17:00:00.000Z	66 \| moderate	17.171 \| fine	75.768 \| fine	51.137 \| good	3.582 \| good	2.768 \| good	0.227 \| good
2025-07-23T18:00:00.000Z	62 \| moderate	14.672 \| fine	65.582 \| fine	50.773 \| good	3.53 \| good	1.899 \| good	0.214 \| good
2025-07-23T19:00:00.000Z	58 \| moderate	13.172 \| fine	59.383 \| fine	49.5 \| good	3.129 \| good	1.917 \| good	0.207 \| good
2025-07-23T20:00:00.000Z	56 \| moderate	11.979 \| good	53.156 \| good	47.795 \| good	2.728 \| good	1.935 \| good	0.2 \| good
2025-07-23T21:00:00.000Z	56 \| moderate	12.229 \| fine	54.569 \| good	45.605 \| good	2.327 \| good	1.953 \| good	0.192 \| good
2025-07-23T22:00:00.000Z	58 \| moderate	13.383 \| fine	59.865 \| fine	44.445 \| good	2.158 \| good	3.25 \| good	0.198 \| good
2025-07-23T23:00:00.000Z	60 \| moderate	13.74 \| fine	61.609 \| fine	41.559 \| good	1.988 \| good	4.548 \| good	0.204 \| 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

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Lisle, Illinois

Hinsdale, Illinois

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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?