What are the current PM10 levels at Naperville, Illinois?

The current PM10 levels in Naperville, Illinois are 132.737 μg/m3.

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

The current sulfur dioxide (SO2) levels in Naperville, Illinois are 0.321 ppb.

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

The current ozone (O3) levels at Naperville, Illinois is 22.161 ppm.

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

The current nitrogen dioxide (NO2) levels at Naperville, Illinois is 11.092 ppb.

Real-time air quality index in Naperville, Illinois today

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

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)

31.37 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

136.14 μg/m³

155

255

425

605+

Ozone (O₃)

41.04 ppb

201

201+

Sulfur Dioxide (SO₂)

1.05 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.13 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.21 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
2025-07-20T18:00:00.000Z	31 \| good	4.934 \| good	21.6 \| good	33.912 \| good	0.4 \| good	1.499 \| good	0.225 \| good
2025-07-20T19:00:00.000Z	33 \| good	5.87 \| good	26.289 \| good	33.023 \| good	0.427 \| good	1.688 \| good	0.225 \| good
2025-07-20T20:00:00.000Z	38 \| good	7.206 \| good	31.838 \| good	30.353 \| good	0.465 \| good	1.364 \| good	0.197 \| good
2025-07-20T21:00:00.000Z	38 \| good	7.376 \| good	32.389 \| good	35.83 \| good	0.512 \| good	1.274 \| good	0.197 \| good
2025-07-20T22:00:00.000Z	38 \| good	6.931 \| good	30.697 \| good	35.137 \| good	0.401 \| good	1.321 \| good	0.136 \| good
2025-07-20T23:00:00.000Z	38 \| good	6.804 \| good	30.985 \| good	35.941 \| good	0.385 \| good	3.559 \| good	0.172 \| good
2025-07-21T00:00:00.000Z	38 \| good	6.747 \| good	30.238 \| good	35.095 \| good	0.368 \| good	3.473 \| good	0.226 \| good
2025-07-21T01:00:00.000Z	33 \| good	6.314 \| good	28.443 \| good	35.592 \| good	0.402 \| good	3.898 \| good	0.239 \| good
2025-07-21T02:00:00.000Z	33 \| good	6.141 \| good	27.703 \| good	31.209 \| good	0.444 \| good	4.899 \| good	0.239 \| good
2025-07-21T03:00:00.000Z	38 \| good	6.708 \| good	29.357 \| good	30.372 \| good	0.382 \| good	5.376 \| good	0.252 \| good
2025-07-21T04:00:00.000Z	38 \| good	7.48 \| good	33.346 \| good	31.27 \| good	0.319 \| good	3.818 \| good	0.251 \| good
2025-07-21T05:00:00.000Z	60 \| moderate	13.673 \| fine	59.566 \| fine	32.989 \| good	0.407 \| good	2.076 \| good	0.264 \| good
2025-07-21T06:00:00.000Z	58 \| moderate	13.246 \| fine	60.087 \| fine	27.707 \| good	0.472 \| good	4.218 \| good	0.244 \| good
2025-07-21T07:00:00.000Z	90 \| moderate	29.955 \| fine	128.741 \| fine	27.964 \| good	0.592 \| good	1.782 \| good	0.23 \| good
2025-07-21T08:00:00.000Z	90 \| moderate	29.788 \| fine	129.867 \| fine	26.127 \| good	0.407 \| good	3.074 \| good	0.204 \| good
2025-07-21T09:00:00.000Z	102 \| sensitive	35.982 \| moderate	155.822 \| moderate	24.176 \| good	0.369 \| good	4.53 \| good	0.21 \| good
2025-07-21T10:00:00.000Z	119 \| sensitive	42.865 \| moderate	191.425 \| moderate	21.456 \| good	0.434 \| good	7 \| good	0.21 \| good
2025-07-21T11:00:00.000Z	122 \| sensitive	43.606 \| moderate	193.555 \| moderate	17.717 \| good	0.702 \| good	4.611 \| good	0.175 \| good
2025-07-21T12:00:00.000Z	119 \| sensitive	42.976 \| moderate	190.626 \| moderate	19.614 \| good	0.98 \| good	5.963 \| good	0.175 \| good
2025-07-21T13:00:00.000Z	105 \| sensitive	36.792 \| moderate	161.188 \| moderate	15.403 \| good	1.042 \| good	7.494 \| good	0.177 \| good
2025-07-21T14:00:00.000Z	86 \| moderate	27.877 \| fine	123.258 \| fine	19.794 \| good	0.852 \| good	4.502 \| good	0.156 \| good
2025-07-21T15:00:00.000Z	86 \| moderate	27.534 \| fine	119.763 \| fine	26.74 \| good	2.679 \| good	3.725 \| good	0.156 \| good
2025-07-21T16:00:00.000Z	73 \| moderate	20.669 \| fine	89.302 \| fine	25.239 \| good	2.798 \| good	2.229 \| good	0.141 \| good
2025-07-21T17:00:00.000Z	66 \| moderate	17.444 \| fine	76.157 \| fine	33.202 \| good	1.277 \| good	1.594 \| good	0.141 \| good
2025-07-21T18:00:00.000Z	66 \| moderate	17.321 \| fine	75.255 \| fine	38.891 \| good	1.111 \| good	1.767 \| good	0.166 \| good
2025-07-21T19:00:00.000Z	66 \| moderate	17.433 \| fine	74.252 \| fine	47.456 \| good	1.468 \| good	1.875 \| good	0.202 \| good
2025-07-21T20:00:00.000Z	66 \| moderate	17.201 \| fine	76.394 \| fine	47.955 \| good	0.937 \| good	1.427 \| good	0.191 \| good
2025-07-21T21:00:00.000Z	67 \| moderate	17.931 \| fine	80.19 \| fine	50.591 \| good	2.126 \| good	1.499 \| good	0.201 \| good
2025-07-21T22:00:00.000Z	69 \| moderate	18.679 \| fine	82.672 \| fine	55.394 \| fine	2.206 \| good	1.659 \| good	0.234 \| good
2025-07-21T23:00:00.000Z	73 \| moderate	20.871 \| fine	91.558 \| fine	52.687 \| good	1.323 \| good	1.115 \| good	0.245 \| good
2025-07-22T00:00:00.000Z	77 \| moderate	23.426 \| fine	101.808 \| fine	46.385 \| good	1.198 \| good	1.957 \| good	0.266 \| good
2025-07-22T01:00:00.000Z	77 \| moderate	23.483 \| fine	101.892 \| fine	48.008 \| good	1.761 \| good	3.208 \| good	0.284 \| good
2025-07-22T02:00:00.000Z	82 \| moderate	25.713 \| fine	109.211 \| fine	45.341 \| good	1.472 \| good	8.067 \| good	0.276 \| good
2025-07-22T03:00:00.000Z	62 \| moderate	14.874 \| fine	66.893 \| fine	25.633 \| good	1.862 \| good	10.562 \| good	0.304 \| good
2025-07-22T04:00:00.000Z	84 \| moderate	27.386 \| fine	119.192 \| fine	35.956 \| good	0.445 \| good	7.677 \| good	0.201 \| good
2025-07-22T05:00:00.000Z	88 \| moderate	29.065 \| fine	126.244 \| fine	28.088 \| good	0.559 \| good	8.198 \| good	0.159 \| good
2025-07-22T06:00:00.000Z	88 \| moderate	28.845 \| fine	125.558 \| fine	24.237 \| good	0.919 \| good	10.533 \| good	0.159 \| good
2025-07-22T07:00:00.000Z	90 \| moderate	29.717 \| fine	127.817 \| fine	27.916 \| good	0.751 \| good	10.165 \| good	0.128 \| good
2025-07-22T08:00:00.000Z	90 \| moderate	29.687 \| fine	127.267 \| fine	27.925 \| good	0.466 \| good	12.733 \| good	0.128 \| good
2025-07-22T09:00:00.000Z	92 \| moderate	30.963 \| fine	132.737 \| fine	22.161 \| good	0.321 \| good	11.092 \| good	0.115 \| good
2025-07-22T10:00:00.000Z	92 \| moderate	30.99 \| fine	133.552 \| fine	21.508 \| good	0.361 \| good	10.123 \| good	0.128 \| good
2025-07-22T11:00:00.000Z	92 \| moderate	31.186 \| fine	134.827 \| fine	18.693 \| good	0.527 \| good	9.028 \| good	0.179 \| good
2025-07-22T12:00:00.000Z	92 \| moderate	31.053 \| fine	134.917 \| fine	14.879 \| good	0.524 \| good	8.913 \| good	0.18 \| good
2025-07-22T13:00:00.000Z	92 \| moderate	30.989 \| fine	134.417 \| fine	19.344 \| good	0.319 \| good	6.899 \| good	0.179 \| good
2025-07-22T14:00:00.000Z	92 \| moderate	31.149 \| fine	135.059 \| fine	23.736 \| good	0.682 \| good	4.286 \| good	0.192 \| good
2025-07-22T15:00:00.000Z	92 \| moderate	31.102 \| fine	134.561 \| fine	25.015 \| good	0.793 \| good	4.912 \| good	0.225 \| good
2025-07-22T16:00:00.000Z	92 \| moderate	31.421 \| fine	136.713 \| fine	31.932 \| good	1.193 \| good	3.536 \| good	0.21 \| good
2025-07-22T17:00:00.000Z	92 \| moderate	31.367 \| fine	136.14 \| fine	41.042 \| good	1.046 \| good	2.125 \| good	0.21 \| good
2025-07-22T17:00:00.000Z	92 \| moderate	31.367 \| fine	136.14 \| fine	41.042 \| good	1.046 \| good	2.125 \| good	0.21 \| good
2025-07-22T11:00:00.000Z	69 \| moderate	19.133 \| fine	84.898 \| fine	20.209 \| good	2.016 \| good	9.841 \| good	0.302 \| good
2025-07-22T12:00:00.000Z	75 \| moderate	21.746 \| fine	95.063 \| fine	20.677 \| good	2.018 \| good	9.004 \| good	0.302 \| good
2025-07-22T13:00:00.000Z	79 \| moderate	24.046 \| fine	105.157 \| fine	19.999 \| good	2.154 \| good	7.748 \| good	0.3 \| good
2025-07-22T14:00:00.000Z	81 \| moderate	24.791 \| fine	107.365 \| fine	20.347 \| good	2.289 \| good	6.492 \| good	0.298 \| good
2025-07-22T15:00:00.000Z	73 \| moderate	21.392 \| fine	93.27 \| fine	28.29 \| good	2.425 \| good	5.236 \| good	0.295 \| good
2025-07-22T16:00:00.000Z	77 \| moderate	22.78 \| fine	100.581 \| fine	35.374 \| good	2.403 \| good	4.261 \| good	0.278 \| good
2025-07-22T17:00:00.000Z	75 \| moderate	21.911 \| fine	96.543 \| fine	36.693 \| good	2.381 \| good	3.285 \| good	0.261 \| good
2025-07-22T18:00:00.000Z	73 \| moderate	20.587 \| fine	90.654 \| fine	37.605 \| good	2.358 \| good	2.31 \| good	0.244 \| good
2025-07-22T19:00:00.000Z	67 \| moderate	17.655 \| fine	78.815 \| fine	43.869 \| good	2.251 \| good	2.26 \| good	0.237 \| good
2025-07-22T20:00:00.000Z	64 \| moderate	15.617 \| fine	69.246 \| fine	48.076 \| good	2.144 \| good	2.21 \| good	0.229 \| good
2025-07-22T21:00:00.000Z	56 \| moderate	11.973 \| good	54.03 \| good	50.288 \| good	2.037 \| good	2.159 \| good	0.222 \| good
2025-07-22T22:00:00.000Z	54 \| moderate	11.202 \| good	49.2 \| good	43.44 \| good	1.938 \| good	3.025 \| good	0.224 \| good
2025-07-22T23:00:00.000Z	60 \| moderate	14.394 \| fine	64.917 \| fine	39.752 \| good	1.839 \| good	3.89 \| good	0.227 \| good
2025-07-23T00:00:00.000Z	60 \| moderate	13.637 \| fine	60.981 \| fine	37.631 \| good	1.74 \| good	4.756 \| good	0.229 \| good
2025-07-23T01:00:00.000Z	56 \| moderate	11.628 \| good	51.217 \| good	37.841 \| good	1.789 \| good	5.702 \| good	0.234 \| good
2025-07-23T02:00:00.000Z	56 \| moderate	11.504 \| good	51.14 \| good	34.146 \| good	1.837 \| good	6.649 \| good	0.24 \| good
2025-07-23T03:00:00.000Z	54 \| moderate	10.792 \| good	48.083 \| good	30.819 \| good	1.886 \| good	7.596 \| good	0.246 \| good
2025-07-23T04:00:00.000Z	54 \| moderate	11.239 \| good	49.957 \| good	32.414 \| good	1.967 \| good	7.325 \| good	0.249 \| good
2025-07-23T05:00:00.000Z	56 \| moderate	12.213 \| fine	55.022 \| fine	31.154 \| good	2.047 \| good	7.055 \| good	0.252 \| good
2025-07-23T06:00:00.000Z	58 \| moderate	13.089 \| fine	58.806 \| fine	29.724 \| good	2.128 \| good	6.785 \| good	0.256 \| good
2025-07-23T07:00:00.000Z	56 \| moderate	12.206 \| fine	55.034 \| fine	25.117 \| good	2.167 \| good	6.645 \| good	0.259 \| good
2025-07-23T08:00:00.000Z	58 \| moderate	12.656 \| fine	57 \| fine	22.111 \| good	2.206 \| good	6.506 \| good	0.261 \| good
2025-07-23T09:00:00.000Z	56 \| moderate	12.466 \| fine	56.739 \| fine	21.353 \| good	2.245 \| good	6.366 \| good	0.264 \| good
2025-07-23T10:00:00.000Z	56 \| moderate	11.528 \| good	50.939 \| good	17.469 \| good	2.306 \| good	6.229 \| good	0.267 \| good
2025-07-23T11:00:00.000Z	58 \| moderate	13.276 \| fine	59.069 \| fine	19.096 \| good	2.367 \| good	6.093 \| good	0.271 \| good
2025-07-23T12:00:00.000Z	60 \| moderate	13.902 \| fine	62.821 \| fine	23.731 \| good	2.428 \| good	5.956 \| good	0.274 \| good
2025-07-23T13:00:00.000Z	58 \| moderate	12.64 \| fine	56.974 \| fine	29.194 \| good	2.909 \| good	5.18 \| good	0.271 \| good
2025-07-23T14:00:00.000Z	56 \| moderate	11.752 \| good	51.908 \| good	33.548 \| good	3.391 \| good	4.404 \| good	0.267 \| good
2025-07-23T15:00:00.000Z	58 \| moderate	12.876 \| fine	57.069 \| fine	39.565 \| good	3.872 \| good	3.628 \| good	0.264 \| good
2025-07-23T16:00:00.000Z	60 \| moderate	13.565 \| fine	61.038 \| fine	41.102 \| good	3.437 \| good	2.917 \| good	0.242 \| good
2025-07-23T17:00:00.000Z	56 \| moderate	12.298 \| fine	55.192 \| fine	40.742 \| good	3.003 \| good	2.207 \| good	0.22 \| good
2025-07-23T18:00:00.000Z	54 \| moderate	11.056 \| good	48.976 \| good	42.923 \| good	2.568 \| good	1.497 \| good	0.199 \| good
2025-07-23T19:00:00.000Z	49 \| good	9.117 \| good	41.097 \| good	46.155 \| good	2.256 \| good	1.529 \| good	0.194 \| good
2025-07-23T20:00:00.000Z	49 \| good	9.028 \| good	39.37 \| good	48.272 \| good	1.945 \| good	1.561 \| good	0.189 \| good
2025-07-23T21:00:00.000Z	49 \| good	9.188 \| good	41.128 \| good	47.438 \| good	1.633 \| good	1.594 \| good	0.184 \| good
2025-07-23T22:00:00.000Z	52 \| moderate	10.46 \| good	46.136 \| good	42.737 \| good	1.572 \| good	2.57 \| good	0.19 \| good
2025-07-23T23:00:00.000Z	52 \| moderate	9.808 \| good	43.191 \| good	42.516 \| good	1.511 \| good	3.547 \| good	0.197 \| good
2025-07-24T00:00:00.000Z	38 \| good	6.54 \| good	29.444 \| good	35.77 \| good	1.45 \| good	4.523 \| good	0.203 \| good
2025-07-24T01:00:00.000Z	35 \| good	5.249 \| good	22.73 \| good	38.14 \| good	1.413 \| good	5.322 \| good	0.207 \| good
2025-07-24T02:00:00.000Z	38 \| good	7.103 \| good	31.304 \| good	33.906 \| good	1.376 \| good	6.121 \| good	0.21 \| good
2025-07-24T03:00:00.000Z	44 \| good	8.057 \| good	35.249 \| good	30.245 \| good	1.339 \| good	6.92 \| good	0.214 \| good
2025-07-24T04:00:00.000Z	38 \| good	7.446 \| good	32.426 \| good	29.775 \| good	1.237 \| good	6.705 \| good	0.214 \| good
2025-07-24T05:00:00.000Z	44 \| good	7.731 \| good	34.157 \| good	27.394 \| good	1.135 \| good	6.491 \| good	0.213 \| good
2025-07-24T06:00:00.000Z	40 \| good	5.453 \| good	6.246 \| good	42.941 \| good	1.041 \| good	6.308 \| good	0.213 \| good
2025-07-24T07:00:00.000Z	54 \| moderate	10.547 \| good	46.894 \| good	21.496 \| good	1.005 \| good	5.777 \| good	0.211 \| good
2025-07-24T08:00:00.000Z	56 \| moderate	12.444 \| fine	56.773 \| fine	19.126 \| good	0.978 \| good	5.277 \| good	0.209 \| good
2025-07-24T09:00:00.000Z	56 \| moderate	12.484 \| fine	56.974 \| fine	16.247 \| good	0.95 \| good	4.778 \| good	0.207 \| good
2025-07-24T10:00:00.000Z	56 \| moderate	11.71 \| good	51.211 \| good	22.576 \| good	1.183 \| good	4.804 \| good	0.208 \| good

Naperville

Empower business decisions with accurate air quality data

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

0.14ppm

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

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

The best air quality in Naperville, Illinois was recorded at 03:00:00 on 2025-07-22.

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

The real-time air quality index in Naperville, Illinois is 92, 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 30.963 μg/m³.

What are the current PM₁₀ levels at Naperville, Illinois?

The current PM₁₀ levels in Naperville, Illinois are 132.737 μg/m³.

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

The current carbon monoxide (CO) level in Naperville, Illinois is 0.115 ppm.

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

The current sulfur dioxide (SO₂) levels in Naperville, Illinois are 0.321 ppb.

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

The current ozone (O₃) levels at Naperville, Illinois is 22.161 ppm.

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

The current nitrogen dioxide (NO₂) levels at Naperville, Illinois is 11.092 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-20T18:00:00.000Z	31 \| good	4.934 \| good	21.6 \| good	33.912 \| good	0.4 \| good	1.499 \| good	0.225 \| good
2025-07-20T19:00:00.000Z	33 \| good	5.87 \| good	26.289 \| good	33.023 \| good	0.427 \| good	1.688 \| good	0.225 \| good
2025-07-20T20:00:00.000Z	38 \| good	7.206 \| good	31.838 \| good	30.353 \| good	0.465 \| good	1.364 \| good	0.197 \| good
2025-07-20T21:00:00.000Z	38 \| good	7.376 \| good	32.389 \| good	35.83 \| good	0.512 \| good	1.274 \| good	0.197 \| good
2025-07-20T22:00:00.000Z	38 \| good	6.931 \| good	30.697 \| good	35.137 \| good	0.401 \| good	1.321 \| good	0.136 \| good
2025-07-20T23:00:00.000Z	38 \| good	6.804 \| good	30.985 \| good	35.941 \| good	0.385 \| good	3.559 \| good	0.172 \| good
2025-07-21T00:00:00.000Z	38 \| good	6.747 \| good	30.238 \| good	35.095 \| good	0.368 \| good	3.473 \| good	0.226 \| good
2025-07-21T01:00:00.000Z	33 \| good	6.314 \| good	28.443 \| good	35.592 \| good	0.402 \| good	3.898 \| good	0.239 \| good
2025-07-21T02:00:00.000Z	33 \| good	6.141 \| good	27.703 \| good	31.209 \| good	0.444 \| good	4.899 \| good	0.239 \| good
2025-07-21T03:00:00.000Z	38 \| good	6.708 \| good	29.357 \| good	30.372 \| good	0.382 \| good	5.376 \| good	0.252 \| good
2025-07-21T04:00:00.000Z	38 \| good	7.48 \| good	33.346 \| good	31.27 \| good	0.319 \| good	3.818 \| good	0.251 \| good
2025-07-21T05:00:00.000Z	60 \| moderate	13.673 \| fine	59.566 \| fine	32.989 \| good	0.407 \| good	2.076 \| good	0.264 \| good
2025-07-21T06:00:00.000Z	58 \| moderate	13.246 \| fine	60.087 \| fine	27.707 \| good	0.472 \| good	4.218 \| good	0.244 \| good
2025-07-21T07:00:00.000Z	90 \| moderate	29.955 \| fine	128.741 \| fine	27.964 \| good	0.592 \| good	1.782 \| good	0.23 \| good
2025-07-21T08:00:00.000Z	90 \| moderate	29.788 \| fine	129.867 \| fine	26.127 \| good	0.407 \| good	3.074 \| good	0.204 \| good
2025-07-21T09:00:00.000Z	102 \| sensitive	35.982 \| moderate	155.822 \| moderate	24.176 \| good	0.369 \| good	4.53 \| good	0.21 \| good
2025-07-21T10:00:00.000Z	119 \| sensitive	42.865 \| moderate	191.425 \| moderate	21.456 \| good	0.434 \| good	7 \| good	0.21 \| good
2025-07-21T11:00:00.000Z	122 \| sensitive	43.606 \| moderate	193.555 \| moderate	17.717 \| good	0.702 \| good	4.611 \| good	0.175 \| good
2025-07-21T12:00:00.000Z	119 \| sensitive	42.976 \| moderate	190.626 \| moderate	19.614 \| good	0.98 \| good	5.963 \| good	0.175 \| good
2025-07-21T13:00:00.000Z	105 \| sensitive	36.792 \| moderate	161.188 \| moderate	15.403 \| good	1.042 \| good	7.494 \| good	0.177 \| good
2025-07-21T14:00:00.000Z	86 \| moderate	27.877 \| fine	123.258 \| fine	19.794 \| good	0.852 \| good	4.502 \| good	0.156 \| good
2025-07-21T15:00:00.000Z	86 \| moderate	27.534 \| fine	119.763 \| fine	26.74 \| good	2.679 \| good	3.725 \| good	0.156 \| good
2025-07-21T16:00:00.000Z	73 \| moderate	20.669 \| fine	89.302 \| fine	25.239 \| good	2.798 \| good	2.229 \| good	0.141 \| good
2025-07-21T17:00:00.000Z	66 \| moderate	17.444 \| fine	76.157 \| fine	33.202 \| good	1.277 \| good	1.594 \| good	0.141 \| good
2025-07-21T18:00:00.000Z	66 \| moderate	17.321 \| fine	75.255 \| fine	38.891 \| good	1.111 \| good	1.767 \| good	0.166 \| good
2025-07-21T19:00:00.000Z	66 \| moderate	17.433 \| fine	74.252 \| fine	47.456 \| good	1.468 \| good	1.875 \| good	0.202 \| good
2025-07-21T20:00:00.000Z	66 \| moderate	17.201 \| fine	76.394 \| fine	47.955 \| good	0.937 \| good	1.427 \| good	0.191 \| good
2025-07-21T21:00:00.000Z	67 \| moderate	17.931 \| fine	80.19 \| fine	50.591 \| good	2.126 \| good	1.499 \| good	0.201 \| good
2025-07-21T22:00:00.000Z	69 \| moderate	18.679 \| fine	82.672 \| fine	55.394 \| fine	2.206 \| good	1.659 \| good	0.234 \| good
2025-07-21T23:00:00.000Z	73 \| moderate	20.871 \| fine	91.558 \| fine	52.687 \| good	1.323 \| good	1.115 \| good	0.245 \| good
2025-07-22T00:00:00.000Z	77 \| moderate	23.426 \| fine	101.808 \| fine	46.385 \| good	1.198 \| good	1.957 \| good	0.266 \| good
2025-07-22T01:00:00.000Z	77 \| moderate	23.483 \| fine	101.892 \| fine	48.008 \| good	1.761 \| good	3.208 \| good	0.284 \| good
2025-07-22T02:00:00.000Z	82 \| moderate	25.713 \| fine	109.211 \| fine	45.341 \| good	1.472 \| good	8.067 \| good	0.276 \| good
2025-07-22T03:00:00.000Z	62 \| moderate	14.874 \| fine	66.893 \| fine	25.633 \| good	1.862 \| good	10.562 \| good	0.304 \| good
2025-07-22T04:00:00.000Z	84 \| moderate	27.386 \| fine	119.192 \| fine	35.956 \| good	0.445 \| good	7.677 \| good	0.201 \| good
2025-07-22T05:00:00.000Z	88 \| moderate	29.065 \| fine	126.244 \| fine	28.088 \| good	0.559 \| good	8.198 \| good	0.159 \| good
2025-07-22T06:00:00.000Z	88 \| moderate	28.845 \| fine	125.558 \| fine	24.237 \| good	0.919 \| good	10.533 \| good	0.159 \| good
2025-07-22T07:00:00.000Z	90 \| moderate	29.717 \| fine	127.817 \| fine	27.916 \| good	0.751 \| good	10.165 \| good	0.128 \| good
2025-07-22T08:00:00.000Z	90 \| moderate	29.687 \| fine	127.267 \| fine	27.925 \| good	0.466 \| good	12.733 \| good	0.128 \| good
2025-07-22T09:00:00.000Z	92 \| moderate	30.963 \| fine	132.737 \| fine	22.161 \| good	0.321 \| good	11.092 \| good	0.115 \| good
2025-07-22T10:00:00.000Z	92 \| moderate	30.99 \| fine	133.552 \| fine	21.508 \| good	0.361 \| good	10.123 \| good	0.128 \| good
2025-07-22T11:00:00.000Z	92 \| moderate	31.186 \| fine	134.827 \| fine	18.693 \| good	0.527 \| good	9.028 \| good	0.179 \| good
2025-07-22T12:00:00.000Z	92 \| moderate	31.053 \| fine	134.917 \| fine	14.879 \| good	0.524 \| good	8.913 \| good	0.18 \| good
2025-07-22T13:00:00.000Z	92 \| moderate	30.989 \| fine	134.417 \| fine	19.344 \| good	0.319 \| good	6.899 \| good	0.179 \| good
2025-07-22T14:00:00.000Z	92 \| moderate	31.149 \| fine	135.059 \| fine	23.736 \| good	0.682 \| good	4.286 \| good	0.192 \| good
2025-07-22T15:00:00.000Z	92 \| moderate	31.102 \| fine	134.561 \| fine	25.015 \| good	0.793 \| good	4.912 \| good	0.225 \| good
2025-07-22T16:00:00.000Z	92 \| moderate	31.421 \| fine	136.713 \| fine	31.932 \| good	1.193 \| good	3.536 \| good	0.21 \| good
2025-07-22T17:00:00.000Z	92 \| moderate	31.367 \| fine	136.14 \| fine	41.042 \| good	1.046 \| good	2.125 \| good	0.21 \| good
2025-07-22T17:00:00.000Z	92 \| moderate	31.367 \| fine	136.14 \| fine	41.042 \| good	1.046 \| good	2.125 \| good	0.21 \| good
2025-07-22T11:00:00.000Z	69 \| moderate	19.133 \| fine	84.898 \| fine	20.209 \| good	2.016 \| good	9.841 \| good	0.302 \| good
2025-07-22T12:00:00.000Z	75 \| moderate	21.746 \| fine	95.063 \| fine	20.677 \| good	2.018 \| good	9.004 \| good	0.302 \| good
2025-07-22T13:00:00.000Z	79 \| moderate	24.046 \| fine	105.157 \| fine	19.999 \| good	2.154 \| good	7.748 \| good	0.3 \| good
2025-07-22T14:00:00.000Z	81 \| moderate	24.791 \| fine	107.365 \| fine	20.347 \| good	2.289 \| good	6.492 \| good	0.298 \| good
2025-07-22T15:00:00.000Z	73 \| moderate	21.392 \| fine	93.27 \| fine	28.29 \| good	2.425 \| good	5.236 \| good	0.295 \| good
2025-07-22T16:00:00.000Z	77 \| moderate	22.78 \| fine	100.581 \| fine	35.374 \| good	2.403 \| good	4.261 \| good	0.278 \| good
2025-07-22T17:00:00.000Z	75 \| moderate	21.911 \| fine	96.543 \| fine	36.693 \| good	2.381 \| good	3.285 \| good	0.261 \| good
2025-07-22T18:00:00.000Z	73 \| moderate	20.587 \| fine	90.654 \| fine	37.605 \| good	2.358 \| good	2.31 \| good	0.244 \| good
2025-07-22T19:00:00.000Z	67 \| moderate	17.655 \| fine	78.815 \| fine	43.869 \| good	2.251 \| good	2.26 \| good	0.237 \| good
2025-07-22T20:00:00.000Z	64 \| moderate	15.617 \| fine	69.246 \| fine	48.076 \| good	2.144 \| good	2.21 \| good	0.229 \| good
2025-07-22T21:00:00.000Z	56 \| moderate	11.973 \| good	54.03 \| good	50.288 \| good	2.037 \| good	2.159 \| good	0.222 \| good
2025-07-22T22:00:00.000Z	54 \| moderate	11.202 \| good	49.2 \| good	43.44 \| good	1.938 \| good	3.025 \| good	0.224 \| good
2025-07-22T23:00:00.000Z	60 \| moderate	14.394 \| fine	64.917 \| fine	39.752 \| good	1.839 \| good	3.89 \| good	0.227 \| good
2025-07-23T00:00:00.000Z	60 \| moderate	13.637 \| fine	60.981 \| fine	37.631 \| good	1.74 \| good	4.756 \| good	0.229 \| good
2025-07-23T01:00:00.000Z	56 \| moderate	11.628 \| good	51.217 \| good	37.841 \| good	1.789 \| good	5.702 \| good	0.234 \| good
2025-07-23T02:00:00.000Z	56 \| moderate	11.504 \| good	51.14 \| good	34.146 \| good	1.837 \| good	6.649 \| good	0.24 \| good
2025-07-23T03:00:00.000Z	54 \| moderate	10.792 \| good	48.083 \| good	30.819 \| good	1.886 \| good	7.596 \| good	0.246 \| good
2025-07-23T04:00:00.000Z	54 \| moderate	11.239 \| good	49.957 \| good	32.414 \| good	1.967 \| good	7.325 \| good	0.249 \| good
2025-07-23T05:00:00.000Z	56 \| moderate	12.213 \| fine	55.022 \| fine	31.154 \| good	2.047 \| good	7.055 \| good	0.252 \| good
2025-07-23T06:00:00.000Z	58 \| moderate	13.089 \| fine	58.806 \| fine	29.724 \| good	2.128 \| good	6.785 \| good	0.256 \| good
2025-07-23T07:00:00.000Z	56 \| moderate	12.206 \| fine	55.034 \| fine	25.117 \| good	2.167 \| good	6.645 \| good	0.259 \| good
2025-07-23T08:00:00.000Z	58 \| moderate	12.656 \| fine	57 \| fine	22.111 \| good	2.206 \| good	6.506 \| good	0.261 \| good
2025-07-23T09:00:00.000Z	56 \| moderate	12.466 \| fine	56.739 \| fine	21.353 \| good	2.245 \| good	6.366 \| good	0.264 \| good
2025-07-23T10:00:00.000Z	56 \| moderate	11.528 \| good	50.939 \| good	17.469 \| good	2.306 \| good	6.229 \| good	0.267 \| good
2025-07-23T11:00:00.000Z	58 \| moderate	13.276 \| fine	59.069 \| fine	19.096 \| good	2.367 \| good	6.093 \| good	0.271 \| good
2025-07-23T12:00:00.000Z	60 \| moderate	13.902 \| fine	62.821 \| fine	23.731 \| good	2.428 \| good	5.956 \| good	0.274 \| good
2025-07-23T13:00:00.000Z	58 \| moderate	12.64 \| fine	56.974 \| fine	29.194 \| good	2.909 \| good	5.18 \| good	0.271 \| good
2025-07-23T14:00:00.000Z	56 \| moderate	11.752 \| good	51.908 \| good	33.548 \| good	3.391 \| good	4.404 \| good	0.267 \| good
2025-07-23T15:00:00.000Z	58 \| moderate	12.876 \| fine	57.069 \| fine	39.565 \| good	3.872 \| good	3.628 \| good	0.264 \| good
2025-07-23T16:00:00.000Z	60 \| moderate	13.565 \| fine	61.038 \| fine	41.102 \| good	3.437 \| good	2.917 \| good	0.242 \| good
2025-07-23T17:00:00.000Z	56 \| moderate	12.298 \| fine	55.192 \| fine	40.742 \| good	3.003 \| good	2.207 \| good	0.22 \| good
2025-07-23T18:00:00.000Z	54 \| moderate	11.056 \| good	48.976 \| good	42.923 \| good	2.568 \| good	1.497 \| good	0.199 \| good
2025-07-23T19:00:00.000Z	49 \| good	9.117 \| good	41.097 \| good	46.155 \| good	2.256 \| good	1.529 \| good	0.194 \| good
2025-07-23T20:00:00.000Z	49 \| good	9.028 \| good	39.37 \| good	48.272 \| good	1.945 \| good	1.561 \| good	0.189 \| good
2025-07-23T21:00:00.000Z	49 \| good	9.188 \| good	41.128 \| good	47.438 \| good	1.633 \| good	1.594 \| good	0.184 \| good
2025-07-23T22:00:00.000Z	52 \| moderate	10.46 \| good	46.136 \| good	42.737 \| good	1.572 \| good	2.57 \| good	0.19 \| good
2025-07-23T23:00:00.000Z	52 \| moderate	9.808 \| good	43.191 \| good	42.516 \| good	1.511 \| good	3.547 \| good	0.197 \| good
2025-07-24T00:00:00.000Z	38 \| good	6.54 \| good	29.444 \| good	35.77 \| good	1.45 \| good	4.523 \| good	0.203 \| good
2025-07-24T01:00:00.000Z	35 \| good	5.249 \| good	22.73 \| good	38.14 \| good	1.413 \| good	5.322 \| good	0.207 \| good
2025-07-24T02:00:00.000Z	38 \| good	7.103 \| good	31.304 \| good	33.906 \| good	1.376 \| good	6.121 \| good	0.21 \| good
2025-07-24T03:00:00.000Z	44 \| good	8.057 \| good	35.249 \| good	30.245 \| good	1.339 \| good	6.92 \| good	0.214 \| good
2025-07-24T04:00:00.000Z	38 \| good	7.446 \| good	32.426 \| good	29.775 \| good	1.237 \| good	6.705 \| good	0.214 \| good
2025-07-24T05:00:00.000Z	44 \| good	7.731 \| good	34.157 \| good	27.394 \| good	1.135 \| good	6.491 \| good	0.213 \| good
2025-07-24T06:00:00.000Z	40 \| good	5.453 \| good	6.246 \| good	42.941 \| good	1.041 \| good	6.308 \| good	0.213 \| good
2025-07-24T07:00:00.000Z	54 \| moderate	10.547 \| good	46.894 \| good	21.496 \| good	1.005 \| good	5.777 \| good	0.211 \| good
2025-07-24T08:00:00.000Z	56 \| moderate	12.444 \| fine	56.773 \| fine	19.126 \| good	0.978 \| good	5.277 \| good	0.209 \| good
2025-07-24T09:00:00.000Z	56 \| moderate	12.484 \| fine	56.974 \| fine	16.247 \| good	0.95 \| good	4.778 \| good	0.207 \| good
2025-07-24T10:00:00.000Z	56 \| moderate	11.71 \| good	51.211 \| good	22.576 \| good	1.183 \| good	4.804 \| good	0.208 \| 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?