What are the current PM10 levels at Naperville, Illinois?

The current PM10 levels in Naperville, Illinois are 45.31 μg/m3.

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

The current sulfur dioxide (SO2) levels in Naperville, Illinois are 0.531 ppb.

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

The current ozone (O3) levels at Naperville, Illinois is 19.43 ppm.

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

The current nitrogen dioxide (NO2) levels at Naperville, Illinois is 10.02 ppb.

Real-time air quality index in Naperville, Illinois today

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

The measured PM2.5 levels in Naperville, Illinois at present are 10.258 μg/m3.

Stay updated with real-time air quality in Naperville, 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

Naperville, Illinois

Last updated: ... (Local time)

Common air pollutants in Naperville, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

10.26 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

45.31 μg/m³

155

255

425

605+

Ozone (O₃)

19.43 ppb

201

201+

Sulfur Dioxide (SO₂)

0.53 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

10.02 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Naperville, Illinois

Get Live Pollen Counts

Naperville, Illinois

Scroll To Air Quality Map

Track live Naperville, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-07T15:00:00.000Z	49 \| good	9.238 \| good	41.218 \| good	20.854 \| good	0.846 \| good	8.588 \| good	0.202 \| good
2025-12-07T16:00:00.000Z	44 \| good	7.736 \| good	34.141 \| good	20.501 \| good	0.915 \| good	8.299 \| good	0.226 \| good
2025-12-07T17:00:00.000Z	38 \| good	7.34 \| good	32.217 \| good	18.774 \| good	0.58 \| good	7.08 \| good	0.189 \| good
2025-12-07T18:00:00.000Z	44 \| good	7.646 \| good	34.169 \| good	16.416 \| good	0.455 \| good	4.501 \| good	0.189 \| good
2025-12-07T19:00:00.000Z	49 \| good	8.658 \| good	38.28 \| good	16.3 \| good	0.402 \| good	5.542 \| good	0.189 \| good
2025-12-07T20:00:00.000Z	54 \| moderate	10.536 \| good	47.155 \| good	14.412 \| good	0.351 \| good	4.231 \| good	0.234 \| good
2025-12-07T21:00:00.000Z	54 \| moderate	11.276 \| good	49.919 \| good	15.391 \| good	0.389 \| good	5.744 \| good	0.218 \| good
2025-12-07T22:00:00.000Z	49 \| good	9.401 \| good	42.03 \| good	15.98 \| good	0.345 \| good	5.763 \| good	0.211 \| good
2025-12-07T23:00:00.000Z	44 \| good	7.993 \| good	34.993 \| good	17.866 \| good	0.359 \| good	5.898 \| good	0.226 \| good
2025-12-08T00:00:00.000Z	38 \| good	7.188 \| good	31.937 \| good	24.729 \| good	0.504 \| good	6.075 \| good	0.202 \| good
2025-12-08T01:00:00.000Z	33 \| good	5.813 \| good	25.056 \| good	27.141 \| good	0.746 \| good	7.245 \| good	0.216 \| good
2025-12-08T02:00:00.000Z	27 \| good	5.034 \| good	22.165 \| good	27.243 \| good	0.497 \| good	8.031 \| good	0.229 \| good
2025-12-08T03:00:00.000Z	27 \| good	4.634 \| good	20.143 \| good	27.734 \| good	1.024 \| good	15.538 \| good	0.255 \| good
2025-12-08T04:00:00.000Z	22 \| good	4.33 \| good	19.139 \| good	23.789 \| good	1.02 \| good	22.144 \| good	0.227 \| good
2025-12-08T05:00:00.000Z	22 \| good	4.032 \| good	18.139 \| good	17.052 \| good	1.268 \| good	18.59 \| good	0.201 \| good
2025-12-08T06:00:00.000Z	22 \| good	4.025 \| good	18.082 \| good	13.862 \| good	1.183 \| good	20.442 \| good	0.216 \| good
2025-12-08T07:00:00.000Z	23 \| good	4.025 \| good	18.082 \| good	9.554 \| good	1.844 \| good	23.673 \| good	0.229 \| good
2025-12-08T08:00:00.000Z	22 \| good	4.113 \| good	18.049 \| good	13.16 \| good	4.589 \| good	23.262 \| good	0.198 \| good
2025-12-08T09:00:00.000Z	24 \| good	4.135 \| good	18.126 \| good	14.969 \| good	5.322 \| good	24.657 \| good	0.185 \| good
2025-12-08T10:00:00.000Z	22 \| good	4.237 \| good	19.099 \| good	14.604 \| good	5.147 \| good	12.092 \| good	0.212 \| good
2025-12-08T11:00:00.000Z	22 \| good	4.35 \| good	19.143 \| good	12.006 \| good	4.91 \| good	7.517 \| good	0.229 \| good
2025-12-08T12:00:00.000Z	27 \| good	4.857 \| good	21.247 \| good	10.621 \| good	4.937 \| good	12.66 \| good	0.273 \| good
2025-12-08T13:00:00.000Z	27 \| good	4.857 \| good	21.247 \| good	11.358 \| good	1.545 \| good	12.8 \| good	0.312 \| good
2025-12-08T14:00:00.000Z	33 \| good	5.778 \| good	25.337 \| good	10.481 \| good	0.766 \| good	16.651 \| good	0.387 \| good
2025-12-08T15:00:00.000Z	27 \| good	5.293 \| good	23.406 \| good	11.535 \| good	0.558 \| good	18.374 \| good	0.417 \| good
2025-12-08T16:00:00.000Z	22 \| good	4.374 \| good	19.304 \| good	19.123 \| good	0.668 \| good	20.027 \| good	0.387 \| good
2025-12-08T17:00:00.000Z	22 \| good	3.961 \| good	17.277 \| good	15.556 \| good	0.661 \| good	17.275 \| good	0.202 \| good
2025-12-08T18:00:00.000Z	21 \| good	3.457 \| good	15.268 \| good	22.508 \| good	0.492 \| good	10.222 \| good	0.159 \| good
2025-12-08T19:00:00.000Z	25 \| good	3.437 \| good	15.156 \| good	27.21 \| good	0.511 \| good	11.225 \| good	0.189 \| good
2025-12-08T20:00:00.000Z	25 \| good	3.046 \| good	12.284 \| good	27.221 \| good	0.535 \| good	11.948 \| good	0.189 \| good
2025-12-08T21:00:00.000Z	23 \| good	3.047 \| good	12.288 \| good	25.36 \| good	0.671 \| good	15.199 \| good	0.22 \| good
2025-12-08T22:00:00.000Z	24 \| good	3.055 \| good	12.304 \| good	26.474 \| good	0.59 \| good	18.991 \| good	0.263 \| good
2025-12-08T23:00:00.000Z	25 \| good	3.457 \| good	15.25 \| good	26.694 \| good	0.621 \| good	16.079 \| good	0.233 \| good
2025-12-09T00:00:00.000Z	22 \| good	4.057 \| good	18.236 \| good	23.629 \| good	0.632 \| good	20.85 \| good	0.246 \| good
2025-12-09T01:00:00.000Z	27 \| good	5.032 \| good	22.151 \| good	21.649 \| good	0.605 \| good	23.274 \| good	0.233 \| good
2025-12-09T02:00:00.000Z	33 \| good	5.632 \| good	24.18 \| good	21.328 \| good	0.582 \| good	22.365 \| good	0.233 \| good
2025-12-09T03:00:00.000Z	38 \| good	6.617 \| good	29.237 \| good	10.049 \| good	1.286 \| good	16.479 \| good	0.268 \| good
2025-12-09T04:00:00.000Z	27 \| good	5.258 \| good	23.308 \| good	21.315 \| good	0.48 \| good	14.551 \| good	0.174 \| good
2025-12-09T05:00:00.000Z	27 \| good	5.165 \| good	22.35 \| good	19.286 \| good	0.562 \| good	13.875 \| good	0.189 \| good
2025-12-09T06:00:00.000Z	27 \| good	5.453 \| good	23.297 \| good	18.754 \| good	0.487 \| good	11.387 \| good	0.174 \| good
2025-12-09T07:00:00.000Z	27 \| good	5.453 \| good	23.297 \| good	19.558 \| good	0.551 \| good	11.921 \| good	0.174 \| good
2025-12-09T08:00:00.000Z	33 \| good	5.975 \| good	27.226 \| good	18.124 \| good	0.541 \| good	8.746 \| good	0.159 \| good
2025-12-09T09:00:00.000Z	44 \| good	7.999 \| good	35.37 \| good	18.832 \| good	0.58 \| good	8.412 \| good	0.145 \| good
2025-12-09T10:00:00.000Z	49 \| good	9.002 \| good	39.362 \| good	17.452 \| good	0.647 \| good	7.794 \| good	0.159 \| good
2025-12-09T11:00:00.000Z	52 \| moderate	10.398 \| good	46.25 \| good	19.743 \| good	0.535 \| good	6.722 \| good	0.159 \| good
2025-12-09T12:00:00.000Z	54 \| moderate	11.079 \| good	49.41 \| good	20.139 \| good	0.525 \| good	8.025 \| good	0.189 \| good
2025-12-09T13:00:00.000Z	54 \| moderate	11.079 \| good	49.41 \| good	21.738 \| good	0.533 \| good	8.151 \| good	0.189 \| good
2025-12-09T14:00:00.000Z	52 \| moderate	10.258 \| good	45.31 \| good	19.43 \| good	0.531 \| good	10.02 \| good	0.238 \| good
2025-12-09T14:00:00.000Z	52 \| moderate	10.258 \| good	45.31 \| good	19.43 \| good	0.531 \| good	10.02 \| good	0.238 \| good
2025-12-09T15:00:00.000Z	52 \| moderate	10.27 \| good	45.314 \| good	19.047 \| good	0.804 \| good	4.969 \| good	0.209 \| good
2025-12-09T16:00:00.000Z	60 \| moderate	13.656 \| fine	61.251 \| fine	19.425 \| good	0.758 \| good	4.569 \| good	0.208 \| good
2025-12-09T17:00:00.000Z	62 \| moderate	14.585 \| fine	65.195 \| fine	20.113 \| good	0.712 \| good	4.168 \| good	0.206 \| good
2025-12-09T18:00:00.000Z	62 \| moderate	14.673 \| fine	65.192 \| fine	16.793 \| good	0.666 \| good	3.767 \| good	0.205 \| good
2025-12-09T19:00:00.000Z	60 \| moderate	14.286 \| fine	63.325 \| fine	17.306 \| good	0.674 \| good	4.833 \| good	0.209 \| good
2025-12-09T20:00:00.000Z	60 \| moderate	13.988 \| fine	62.974 \| fine	19.21 \| good	0.682 \| good	5.898 \| good	0.212 \| good
2025-12-09T21:00:00.000Z	56 \| moderate	11.575 \| good	51.167 \| good	17.996 \| good	0.69 \| good	6.964 \| good	0.216 \| good
2025-12-09T22:00:00.000Z	54 \| moderate	10.741 \| good	48.026 \| good	17.203 \| good	0.709 \| good	8.353 \| good	0.222 \| good
2025-12-09T23:00:00.000Z	49 \| good	9.085 \| good	41.025 \| good	16.104 \| good	0.727 \| good	9.743 \| good	0.227 \| good
2025-12-10T00:00:00.000Z	52 \| moderate	9.583 \| good	42.965 \| good	16.429 \| good	0.745 \| good	11.133 \| good	0.233 \| good
2025-12-10T01:00:00.000Z	44 \| good	8.213 \| good	36.09 \| good	14.932 \| good	0.719 \| good	9.508 \| good	0.222 \| good
2025-12-10T02:00:00.000Z	33 \| good	5.745 \| good	24.562 \| good	20.616 \| good	0.692 \| good	7.882 \| good	0.21 \| good
2025-12-10T03:00:00.000Z	33 \| good	5.881 \| good	25.396 \| good	25.06 \| good	0.666 \| good	6.256 \| good	0.199 \| good
2025-12-10T04:00:00.000Z	33 \| good	6.206 \| good	27.268 \| good	27.601 \| good	0.582 \| good	5.422 \| good	0.191 \| good
2025-12-10T05:00:00.000Z	28 \| good	5.417 \| good	23.193 \| good	29.649 \| good	0.499 \| good	4.588 \| good	0.184 \| good
2025-12-10T06:00:00.000Z	27 \| good	4.145 \| good	18.204 \| good	29.141 \| good	0.415 \| good	3.754 \| good	0.176 \| good
2025-12-10T07:00:00.000Z	27 \| good	4.834 \| good	21.102 \| good	27.019 \| good	0.375 \| good	3.117 \| good	0.157 \| good
2025-12-10T08:00:00.000Z	33 \| good	5.575 \| good	24.173 \| good	24.533 \| good	0.334 \| good	2.479 \| good	0.137 \| good
2025-12-10T09:00:00.000Z	22 \| good	4.323 \| good	19.157 \| good	23.291 \| good	0.293 \| good	1.842 \| good	0.118 \| good
2025-12-10T10:00:00.000Z	26 \| good	2.334 \| good	9.994 \| good	27.61 \| good	0.309 \| good	1.985 \| good	0.125 \| good
2025-12-10T11:00:00.000Z	24 \| good	1.443 \| good	6.032 \| good	26.337 \| good	0.324 \| good	2.128 \| good	0.132 \| good
2025-12-10T12:00:00.000Z	22 \| good	2.479 \| good	10.12 \| good	24.369 \| good	0.339 \| good	2.271 \| good	0.139 \| good
2025-12-10T13:00:00.000Z	49 \| good	8.938 \| good	39.321 \| good	15.353 \| good	0.405 \| good	2.918 \| good	0.156 \| good
2025-12-10T14:00:00.000Z	49 \| good	8.744 \| good	38.058 \| good	17.766 \| good	0.472 \| good	3.564 \| good	0.173 \| good
2025-12-10T15:00:00.000Z	33 \| good	6.439 \| good	28.904 \| good	21.78 \| good	0.538 \| good	4.211 \| good	0.19 \| good
2025-12-10T16:00:00.000Z	33 \| good	6.13 \| good	27.058 \| good	21.007 \| good	0.569 \| good	3.572 \| good	0.183 \| good
2025-12-10T17:00:00.000Z	27 \| good	4.84 \| good	20.985 \| good	23.141 \| good	0.599 \| good	2.933 \| good	0.176 \| good
2025-12-10T18:00:00.000Z	22 \| good	4.243 \| good	18.985 \| good	21.45 \| good	0.63 \| good	2.294 \| good	0.169 \| good
2025-12-10T19:00:00.000Z	27 \| good	4.872 \| good	21 \| good	21.339 \| good	0.625 \| good	2.619 \| good	0.168 \| good
2025-12-10T20:00:00.000Z	27 \| good	4.547 \| good	19.906 \| good	21.183 \| good	0.621 \| good	2.943 \| good	0.167 \| good
2025-12-10T21:00:00.000Z	19 \| good	2.927 \| good	12.011 \| good	20 \| good	0.617 \| good	3.267 \| good	0.166 \| good
2025-12-10T22:00:00.000Z	18 \| good	2.709 \| good	11.089 \| good	19.355 \| good	0.621 \| good	4.148 \| good	0.17 \| good
2025-12-10T23:00:00.000Z	17 \| good	2.997 \| good	12.113 \| good	17.627 \| good	0.624 \| good	5.029 \| good	0.174 \| good
2025-12-11T00:00:00.000Z	22 \| good	3.941 \| good	17.027 \| good	16.27 \| good	0.628 \| good	5.91 \| good	0.178 \| good
2025-12-11T01:00:00.000Z	16 \| good	3.127 \| good	13.801 \| good	16.208 \| good	0.633 \| good	5.632 \| good	0.174 \| good
2025-12-11T02:00:00.000Z	16 \| good	2.733 \| good	11.144 \| good	14.521 \| good	0.637 \| good	5.354 \| good	0.17 \| good
2025-12-11T03:00:00.000Z	22 \| good	3.716 \| good	16.091 \| good	15.189 \| good	0.642 \| good	5.076 \| good	0.166 \| good
2025-12-11T04:00:00.000Z	22 \| good	4.025 \| good	17.865 \| good	14.737 \| good	0.619 \| good	4.521 \| good	0.162 \| good
2025-12-11T05:00:00.000Z	16 \| good	3.15 \| good	13.76 \| good	12.489 \| good	0.597 \| good	3.967 \| good	0.158 \| good
2025-12-11T06:00:00.000Z	16 \| good	2.654 \| good	10.987 \| good	11.873 \| good	0.575 \| good	3.412 \| good	0.154 \| good
2025-12-11T07:00:00.000Z	16 \| good	2.997 \| good	12.236 \| good	12.062 \| good	0.536 \| good	3.272 \| good	0.153 \| good
2025-12-11T08:00:00.000Z	22 \| good	4.139 \| good	17.985 \| good	11.886 \| good	0.498 \| good	3.132 \| good	0.152 \| good
2025-12-11T09:00:00.000Z	22 \| good	3.885 \| good	17.025 \| good	12.178 \| good	0.46 \| good	2.992 \| good	0.151 \| good
2025-12-11T10:00:00.000Z	22 \| good	4.181 \| good	18.132 \| good	6.98 \| good	0.477 \| good	3.776 \| good	0.155 \| good
2025-12-11T11:00:00.000Z	16 \| good	2.577 \| good	10.181 \| good	7.423 \| good	0.494 \| good	4.559 \| good	0.16 \| good
2025-12-11T12:00:00.000Z	16 \| good	2.84 \| good	12.003 \| good	8.094 \| good	0.511 \| good	5.343 \| good	0.164 \| good
2025-12-11T13:00:00.000Z	16 \| good	2.913 \| good	11.99 \| good	8.146 \| good	0.592 \| good	6.18 \| good	0.18 \| good
2025-12-11T14:00:00.000Z	16 \| good	3.305 \| good	14.82 \| good	14.831 \| good	0.673 \| good	7.017 \| good	0.197 \| good

Naperville

Empower business decisions with accurate air quality data

Naperville, 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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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 Naperville, Illinois updated?

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

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

The worst air quality in Naperville, Illinois was recorded at 01:00:00 on 2025-12-09.

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

The best air quality in Naperville, Illinois was recorded at 06:00:00 on 2025-12-08.

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

The real-time air quality index in Naperville, Illinois is 52, currently categorized as Moderate.

Which pollutant is found most often in Naperville, Illinois?

The most common pollutant in Naperville, Illinois is PM2.5.

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

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

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

The measured PM_2.5 levels in Naperville, Illinois at present are 10.258 μg/m³.

What are the current PM₁₀ levels at Naperville, Illinois?

The current PM₁₀ levels in Naperville, Illinois are 45.31 μg/m³.

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

The current carbon monoxide (CO) level in Naperville, Illinois is 0.238 ppm.

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

The current sulfur dioxide (SO₂) levels in Naperville, Illinois are 0.531 ppb.

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

The current ozone (O₃) levels at Naperville, Illinois is 19.43 ppm.

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

The current nitrogen dioxide (NO₂) levels at Naperville, Illinois is 10.02 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-07T15:00:00.000Z	49 \| good	9.238 \| good	41.218 \| good	20.854 \| good	0.846 \| good	8.588 \| good	0.202 \| good
2025-12-07T16:00:00.000Z	44 \| good	7.736 \| good	34.141 \| good	20.501 \| good	0.915 \| good	8.299 \| good	0.226 \| good
2025-12-07T17:00:00.000Z	38 \| good	7.34 \| good	32.217 \| good	18.774 \| good	0.58 \| good	7.08 \| good	0.189 \| good
2025-12-07T18:00:00.000Z	44 \| good	7.646 \| good	34.169 \| good	16.416 \| good	0.455 \| good	4.501 \| good	0.189 \| good
2025-12-07T19:00:00.000Z	49 \| good	8.658 \| good	38.28 \| good	16.3 \| good	0.402 \| good	5.542 \| good	0.189 \| good
2025-12-07T20:00:00.000Z	54 \| moderate	10.536 \| good	47.155 \| good	14.412 \| good	0.351 \| good	4.231 \| good	0.234 \| good
2025-12-07T21:00:00.000Z	54 \| moderate	11.276 \| good	49.919 \| good	15.391 \| good	0.389 \| good	5.744 \| good	0.218 \| good
2025-12-07T22:00:00.000Z	49 \| good	9.401 \| good	42.03 \| good	15.98 \| good	0.345 \| good	5.763 \| good	0.211 \| good
2025-12-07T23:00:00.000Z	44 \| good	7.993 \| good	34.993 \| good	17.866 \| good	0.359 \| good	5.898 \| good	0.226 \| good
2025-12-08T00:00:00.000Z	38 \| good	7.188 \| good	31.937 \| good	24.729 \| good	0.504 \| good	6.075 \| good	0.202 \| good
2025-12-08T01:00:00.000Z	33 \| good	5.813 \| good	25.056 \| good	27.141 \| good	0.746 \| good	7.245 \| good	0.216 \| good
2025-12-08T02:00:00.000Z	27 \| good	5.034 \| good	22.165 \| good	27.243 \| good	0.497 \| good	8.031 \| good	0.229 \| good
2025-12-08T03:00:00.000Z	27 \| good	4.634 \| good	20.143 \| good	27.734 \| good	1.024 \| good	15.538 \| good	0.255 \| good
2025-12-08T04:00:00.000Z	22 \| good	4.33 \| good	19.139 \| good	23.789 \| good	1.02 \| good	22.144 \| good	0.227 \| good
2025-12-08T05:00:00.000Z	22 \| good	4.032 \| good	18.139 \| good	17.052 \| good	1.268 \| good	18.59 \| good	0.201 \| good
2025-12-08T06:00:00.000Z	22 \| good	4.025 \| good	18.082 \| good	13.862 \| good	1.183 \| good	20.442 \| good	0.216 \| good
2025-12-08T07:00:00.000Z	23 \| good	4.025 \| good	18.082 \| good	9.554 \| good	1.844 \| good	23.673 \| good	0.229 \| good
2025-12-08T08:00:00.000Z	22 \| good	4.113 \| good	18.049 \| good	13.16 \| good	4.589 \| good	23.262 \| good	0.198 \| good
2025-12-08T09:00:00.000Z	24 \| good	4.135 \| good	18.126 \| good	14.969 \| good	5.322 \| good	24.657 \| good	0.185 \| good
2025-12-08T10:00:00.000Z	22 \| good	4.237 \| good	19.099 \| good	14.604 \| good	5.147 \| good	12.092 \| good	0.212 \| good
2025-12-08T11:00:00.000Z	22 \| good	4.35 \| good	19.143 \| good	12.006 \| good	4.91 \| good	7.517 \| good	0.229 \| good
2025-12-08T12:00:00.000Z	27 \| good	4.857 \| good	21.247 \| good	10.621 \| good	4.937 \| good	12.66 \| good	0.273 \| good
2025-12-08T13:00:00.000Z	27 \| good	4.857 \| good	21.247 \| good	11.358 \| good	1.545 \| good	12.8 \| good	0.312 \| good
2025-12-08T14:00:00.000Z	33 \| good	5.778 \| good	25.337 \| good	10.481 \| good	0.766 \| good	16.651 \| good	0.387 \| good
2025-12-08T15:00:00.000Z	27 \| good	5.293 \| good	23.406 \| good	11.535 \| good	0.558 \| good	18.374 \| good	0.417 \| good
2025-12-08T16:00:00.000Z	22 \| good	4.374 \| good	19.304 \| good	19.123 \| good	0.668 \| good	20.027 \| good	0.387 \| good
2025-12-08T17:00:00.000Z	22 \| good	3.961 \| good	17.277 \| good	15.556 \| good	0.661 \| good	17.275 \| good	0.202 \| good
2025-12-08T18:00:00.000Z	21 \| good	3.457 \| good	15.268 \| good	22.508 \| good	0.492 \| good	10.222 \| good	0.159 \| good
2025-12-08T19:00:00.000Z	25 \| good	3.437 \| good	15.156 \| good	27.21 \| good	0.511 \| good	11.225 \| good	0.189 \| good
2025-12-08T20:00:00.000Z	25 \| good	3.046 \| good	12.284 \| good	27.221 \| good	0.535 \| good	11.948 \| good	0.189 \| good
2025-12-08T21:00:00.000Z	23 \| good	3.047 \| good	12.288 \| good	25.36 \| good	0.671 \| good	15.199 \| good	0.22 \| good
2025-12-08T22:00:00.000Z	24 \| good	3.055 \| good	12.304 \| good	26.474 \| good	0.59 \| good	18.991 \| good	0.263 \| good
2025-12-08T23:00:00.000Z	25 \| good	3.457 \| good	15.25 \| good	26.694 \| good	0.621 \| good	16.079 \| good	0.233 \| good
2025-12-09T00:00:00.000Z	22 \| good	4.057 \| good	18.236 \| good	23.629 \| good	0.632 \| good	20.85 \| good	0.246 \| good
2025-12-09T01:00:00.000Z	27 \| good	5.032 \| good	22.151 \| good	21.649 \| good	0.605 \| good	23.274 \| good	0.233 \| good
2025-12-09T02:00:00.000Z	33 \| good	5.632 \| good	24.18 \| good	21.328 \| good	0.582 \| good	22.365 \| good	0.233 \| good
2025-12-09T03:00:00.000Z	38 \| good	6.617 \| good	29.237 \| good	10.049 \| good	1.286 \| good	16.479 \| good	0.268 \| good
2025-12-09T04:00:00.000Z	27 \| good	5.258 \| good	23.308 \| good	21.315 \| good	0.48 \| good	14.551 \| good	0.174 \| good
2025-12-09T05:00:00.000Z	27 \| good	5.165 \| good	22.35 \| good	19.286 \| good	0.562 \| good	13.875 \| good	0.189 \| good
2025-12-09T06:00:00.000Z	27 \| good	5.453 \| good	23.297 \| good	18.754 \| good	0.487 \| good	11.387 \| good	0.174 \| good
2025-12-09T07:00:00.000Z	27 \| good	5.453 \| good	23.297 \| good	19.558 \| good	0.551 \| good	11.921 \| good	0.174 \| good
2025-12-09T08:00:00.000Z	33 \| good	5.975 \| good	27.226 \| good	18.124 \| good	0.541 \| good	8.746 \| good	0.159 \| good
2025-12-09T09:00:00.000Z	44 \| good	7.999 \| good	35.37 \| good	18.832 \| good	0.58 \| good	8.412 \| good	0.145 \| good
2025-12-09T10:00:00.000Z	49 \| good	9.002 \| good	39.362 \| good	17.452 \| good	0.647 \| good	7.794 \| good	0.159 \| good
2025-12-09T11:00:00.000Z	52 \| moderate	10.398 \| good	46.25 \| good	19.743 \| good	0.535 \| good	6.722 \| good	0.159 \| good
2025-12-09T12:00:00.000Z	54 \| moderate	11.079 \| good	49.41 \| good	20.139 \| good	0.525 \| good	8.025 \| good	0.189 \| good
2025-12-09T13:00:00.000Z	54 \| moderate	11.079 \| good	49.41 \| good	21.738 \| good	0.533 \| good	8.151 \| good	0.189 \| good
2025-12-09T14:00:00.000Z	52 \| moderate	10.258 \| good	45.31 \| good	19.43 \| good	0.531 \| good	10.02 \| good	0.238 \| good
2025-12-09T14:00:00.000Z	52 \| moderate	10.258 \| good	45.31 \| good	19.43 \| good	0.531 \| good	10.02 \| good	0.238 \| good
2025-12-09T15:00:00.000Z	52 \| moderate	10.27 \| good	45.314 \| good	19.047 \| good	0.804 \| good	4.969 \| good	0.209 \| good
2025-12-09T16:00:00.000Z	60 \| moderate	13.656 \| fine	61.251 \| fine	19.425 \| good	0.758 \| good	4.569 \| good	0.208 \| good
2025-12-09T17:00:00.000Z	62 \| moderate	14.585 \| fine	65.195 \| fine	20.113 \| good	0.712 \| good	4.168 \| good	0.206 \| good
2025-12-09T18:00:00.000Z	62 \| moderate	14.673 \| fine	65.192 \| fine	16.793 \| good	0.666 \| good	3.767 \| good	0.205 \| good
2025-12-09T19:00:00.000Z	60 \| moderate	14.286 \| fine	63.325 \| fine	17.306 \| good	0.674 \| good	4.833 \| good	0.209 \| good
2025-12-09T20:00:00.000Z	60 \| moderate	13.988 \| fine	62.974 \| fine	19.21 \| good	0.682 \| good	5.898 \| good	0.212 \| good
2025-12-09T21:00:00.000Z	56 \| moderate	11.575 \| good	51.167 \| good	17.996 \| good	0.69 \| good	6.964 \| good	0.216 \| good
2025-12-09T22:00:00.000Z	54 \| moderate	10.741 \| good	48.026 \| good	17.203 \| good	0.709 \| good	8.353 \| good	0.222 \| good
2025-12-09T23:00:00.000Z	49 \| good	9.085 \| good	41.025 \| good	16.104 \| good	0.727 \| good	9.743 \| good	0.227 \| good
2025-12-10T00:00:00.000Z	52 \| moderate	9.583 \| good	42.965 \| good	16.429 \| good	0.745 \| good	11.133 \| good	0.233 \| good
2025-12-10T01:00:00.000Z	44 \| good	8.213 \| good	36.09 \| good	14.932 \| good	0.719 \| good	9.508 \| good	0.222 \| good
2025-12-10T02:00:00.000Z	33 \| good	5.745 \| good	24.562 \| good	20.616 \| good	0.692 \| good	7.882 \| good	0.21 \| good
2025-12-10T03:00:00.000Z	33 \| good	5.881 \| good	25.396 \| good	25.06 \| good	0.666 \| good	6.256 \| good	0.199 \| good
2025-12-10T04:00:00.000Z	33 \| good	6.206 \| good	27.268 \| good	27.601 \| good	0.582 \| good	5.422 \| good	0.191 \| good
2025-12-10T05:00:00.000Z	28 \| good	5.417 \| good	23.193 \| good	29.649 \| good	0.499 \| good	4.588 \| good	0.184 \| good
2025-12-10T06:00:00.000Z	27 \| good	4.145 \| good	18.204 \| good	29.141 \| good	0.415 \| good	3.754 \| good	0.176 \| good
2025-12-10T07:00:00.000Z	27 \| good	4.834 \| good	21.102 \| good	27.019 \| good	0.375 \| good	3.117 \| good	0.157 \| good
2025-12-10T08:00:00.000Z	33 \| good	5.575 \| good	24.173 \| good	24.533 \| good	0.334 \| good	2.479 \| good	0.137 \| good
2025-12-10T09:00:00.000Z	22 \| good	4.323 \| good	19.157 \| good	23.291 \| good	0.293 \| good	1.842 \| good	0.118 \| good
2025-12-10T10:00:00.000Z	26 \| good	2.334 \| good	9.994 \| good	27.61 \| good	0.309 \| good	1.985 \| good	0.125 \| good
2025-12-10T11:00:00.000Z	24 \| good	1.443 \| good	6.032 \| good	26.337 \| good	0.324 \| good	2.128 \| good	0.132 \| good
2025-12-10T12:00:00.000Z	22 \| good	2.479 \| good	10.12 \| good	24.369 \| good	0.339 \| good	2.271 \| good	0.139 \| good
2025-12-10T13:00:00.000Z	49 \| good	8.938 \| good	39.321 \| good	15.353 \| good	0.405 \| good	2.918 \| good	0.156 \| good
2025-12-10T14:00:00.000Z	49 \| good	8.744 \| good	38.058 \| good	17.766 \| good	0.472 \| good	3.564 \| good	0.173 \| good
2025-12-10T15:00:00.000Z	33 \| good	6.439 \| good	28.904 \| good	21.78 \| good	0.538 \| good	4.211 \| good	0.19 \| good
2025-12-10T16:00:00.000Z	33 \| good	6.13 \| good	27.058 \| good	21.007 \| good	0.569 \| good	3.572 \| good	0.183 \| good
2025-12-10T17:00:00.000Z	27 \| good	4.84 \| good	20.985 \| good	23.141 \| good	0.599 \| good	2.933 \| good	0.176 \| good
2025-12-10T18:00:00.000Z	22 \| good	4.243 \| good	18.985 \| good	21.45 \| good	0.63 \| good	2.294 \| good	0.169 \| good
2025-12-10T19:00:00.000Z	27 \| good	4.872 \| good	21 \| good	21.339 \| good	0.625 \| good	2.619 \| good	0.168 \| good
2025-12-10T20:00:00.000Z	27 \| good	4.547 \| good	19.906 \| good	21.183 \| good	0.621 \| good	2.943 \| good	0.167 \| good
2025-12-10T21:00:00.000Z	19 \| good	2.927 \| good	12.011 \| good	20 \| good	0.617 \| good	3.267 \| good	0.166 \| good
2025-12-10T22:00:00.000Z	18 \| good	2.709 \| good	11.089 \| good	19.355 \| good	0.621 \| good	4.148 \| good	0.17 \| good
2025-12-10T23:00:00.000Z	17 \| good	2.997 \| good	12.113 \| good	17.627 \| good	0.624 \| good	5.029 \| good	0.174 \| good
2025-12-11T00:00:00.000Z	22 \| good	3.941 \| good	17.027 \| good	16.27 \| good	0.628 \| good	5.91 \| good	0.178 \| good
2025-12-11T01:00:00.000Z	16 \| good	3.127 \| good	13.801 \| good	16.208 \| good	0.633 \| good	5.632 \| good	0.174 \| good
2025-12-11T02:00:00.000Z	16 \| good	2.733 \| good	11.144 \| good	14.521 \| good	0.637 \| good	5.354 \| good	0.17 \| good
2025-12-11T03:00:00.000Z	22 \| good	3.716 \| good	16.091 \| good	15.189 \| good	0.642 \| good	5.076 \| good	0.166 \| good
2025-12-11T04:00:00.000Z	22 \| good	4.025 \| good	17.865 \| good	14.737 \| good	0.619 \| good	4.521 \| good	0.162 \| good
2025-12-11T05:00:00.000Z	16 \| good	3.15 \| good	13.76 \| good	12.489 \| good	0.597 \| good	3.967 \| good	0.158 \| good
2025-12-11T06:00:00.000Z	16 \| good	2.654 \| good	10.987 \| good	11.873 \| good	0.575 \| good	3.412 \| good	0.154 \| good
2025-12-11T07:00:00.000Z	16 \| good	2.997 \| good	12.236 \| good	12.062 \| good	0.536 \| good	3.272 \| good	0.153 \| good
2025-12-11T08:00:00.000Z	22 \| good	4.139 \| good	17.985 \| good	11.886 \| good	0.498 \| good	3.132 \| good	0.152 \| good
2025-12-11T09:00:00.000Z	22 \| good	3.885 \| good	17.025 \| good	12.178 \| good	0.46 \| good	2.992 \| good	0.151 \| good
2025-12-11T10:00:00.000Z	22 \| good	4.181 \| good	18.132 \| good	6.98 \| good	0.477 \| good	3.776 \| good	0.155 \| good
2025-12-11T11:00:00.000Z	16 \| good	2.577 \| good	10.181 \| good	7.423 \| good	0.494 \| good	4.559 \| good	0.16 \| good
2025-12-11T12:00:00.000Z	16 \| good	2.84 \| good	12.003 \| good	8.094 \| good	0.511 \| good	5.343 \| good	0.164 \| good
2025-12-11T13:00:00.000Z	16 \| good	2.913 \| good	11.99 \| good	8.146 \| good	0.592 \| good	6.18 \| good	0.18 \| good
2025-12-11T14:00:00.000Z	16 \| good	3.305 \| good	14.82 \| good	14.831 \| good	0.673 \| good	7.017 \| good	0.197 \| good

Real-time air quality index in Naperville, Illinois today

Common air pollutants in Naperville, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Naperville, Illinois air quality forecast and history

Empower business decisions with accurate air quality data

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

Air quality in nearby cities

Warrenville, Illinois

Woodridge, Illinois

Lisle, Illinois

Bolingbrook, Illinois

Winfield, Illinois

Romeoville, 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 Naperville, Illinois updated?

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

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

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

Which pollutant is found most often in Naperville, Illinois?

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

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

What are the current PM10 levels at Naperville, Illinois?

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

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

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

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

What are the current PM₁₀ levels at Naperville, Illinois?

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

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

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