What is the current level of PM10 in Sycamore, Illinois?

Sycamore, Illinois currently has a PM10 concentration of 99.471 μg/m3.

What is the current level of sulfur dioxide (SO2) in Sycamore, Illinois?

The current sulfur dioxide (SO2) concentration in Sycamore, Illinois is 0.449 ppb.

What is the current level of ozone (O3) in Sycamore, Illinois?

Sycamore, Illinois currently has an ozone (O3) concentration of 16.406 ppm.

What is the current level of nitrogen dioxide (NO2) in Sycamore, Illinois?

The current level of nitrogen dioxide (NO2) in Sycamore, Illinois is 11.214 ppb.

Current air quality index in Sycamore, Illinois today

Q: What is the PM2.5 concentration in Sycamore, Illinois right now?

Sycamore, Illinois currently has a PM2.5 concentration of 20.905 μg/m3.

Stay updated with real-time air quality in Sycamore, 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

Sycamore, Illinois

Last updated: ... (Local time)

Common air pollutants in Sycamore, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

20.91 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

99.47 μg/m³

155

255

425

605+

Ozone (O₃)

16.41 ppb

201

201+

Sulfur Dioxide (SO₂)

0.45 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

11.21 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Sycamore, Illinois

Get Live Pollen Counts

Sycamore, Illinois

Scroll To Air Quality Map

Track live Sycamore, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-10T19:00:00.000Z	33 \| good	6.021 \| good	21.93 \| good	23.497 \| good	0.465 \| good	5.009 \| good	0.14 \| good
2025-12-10T20:00:00.000Z	22 \| good	4.496 \| good	13.396 \| good	23.681 \| good	0.444 \| good	4.884 \| good	0.169 \| good
2025-12-10T21:00:00.000Z	22 \| good	4.051 \| good	15.284 \| good	22.961 \| good	0.464 \| good	5.057 \| good	0.187 \| good
2025-12-10T22:00:00.000Z	21 \| good	3.448 \| good	14.941 \| good	23.071 \| good	0.424 \| good	5.892 \| good	0.213 \| good
2025-12-10T23:00:00.000Z	23 \| good	3.089 \| good	13.624 \| good	24.613 \| good	0.471 \| good	5.234 \| good	0.213 \| good
2025-12-11T00:00:00.000Z	23 \| good	3.159 \| good	13.031 \| good	25.319 \| good	0.451 \| good	6.056 \| good	0.213 \| good
2025-12-11T01:00:00.000Z	24 \| good	3.652 \| good	16.045 \| good	25.87 \| good	0.545 \| good	7.018 \| good	0.187 \| good
2025-12-11T02:00:00.000Z	23 \| good	3.648 \| good	12.826 \| good	24.615 \| good	0.567 \| good	7.119 \| good	0.187 \| good
2025-12-11T03:00:00.000Z	23 \| good	3.466 \| good	15.436 \| good	25.371 \| good	0.495 \| good	6.377 \| good	0.213 \| good
2025-12-11T04:00:00.000Z	23 \| good	3.466 \| good	14.224 \| good	24.704 \| good	0.648 \| good	6.219 \| good	0.158 \| good
2025-12-11T05:00:00.000Z	22 \| good	3.542 \| good	17.218 \| good	23.86 \| good	0.51 \| good	6.444 \| good	0.14 \| good
2025-12-11T06:00:00.000Z	23 \| good	3.765 \| good	16.206 \| good	24.923 \| good	0.49 \| good	5.807 \| good	0.14 \| good
2025-12-11T07:00:00.000Z	25 \| good	3.279 \| good	14.185 \| good	26.612 \| good	0.802 \| good	5.628 \| good	0.14 \| good
2025-12-11T08:00:00.000Z	24 \| good	3.484 \| good	12.502 \| good	25.704 \| good	1.548 \| good	5.949 \| good	0.14 \| good
2025-12-11T09:00:00.000Z	22 \| good	3.416 \| good	15.88 \| good	23.778 \| good	1.267 \| good	6.464 \| good	0.129 \| good
2025-12-11T10:00:00.000Z	23 \| good	3.455 \| good	11.556 \| good	25.475 \| good	2.244 \| good	7.382 \| good	0.14 \| good
2025-12-11T11:00:00.000Z	22 \| good	3.819 \| good	17.339 \| good	24.466 \| good	3.44 \| good	9.784 \| good	0.129 \| good
2025-12-11T12:00:00.000Z	23 \| good	4.241 \| good	17.58 \| good	25.096 \| good	0.676 \| good	9.508 \| good	0.169 \| good
2025-12-11T13:00:00.000Z	25 \| good	4.099 \| good	18.268 \| good	27.492 \| good	1.077 \| good	9.725 \| good	0.169 \| good
2025-12-11T14:00:00.000Z	33 \| good	5.578 \| good	24.128 \| good	26.653 \| good	0.816 \| good	14.29 \| good	0.26 \| good
2025-12-11T15:00:00.000Z	27 \| good	5.373 \| good	20.463 \| good	26.734 \| good	0.853 \| good	9.801 \| good	0.198 \| good
2025-12-11T16:00:00.000Z	38 \| good	7.413 \| good	25.794 \| good	29.353 \| good	0.562 \| good	8.493 \| good	0.169 \| good
2025-12-11T17:00:00.000Z	44 \| good	7.558 \| good	30.413 \| good	28.723 \| good	0.563 \| good	6.108 \| good	0.169 \| good
2025-12-11T18:00:00.000Z	44 \| good	8.06 \| good	36.547 \| good	26.152 \| good	0.507 \| good	6.2 \| good	0.187 \| good
2025-12-11T19:00:00.000Z	38 \| good	7.384 \| good	34.595 \| good	26.129 \| good	0.691 \| good	9.402 \| good	0.187 \| good
2025-12-11T20:00:00.000Z	44 \| good	8.405 \| good	38.356 \| good	26.321 \| good	3.264 \| good	10.167 \| good	0.187 \| good
2025-12-11T21:00:00.000Z	44 \| good	8.146 \| good	33.425 \| good	25.816 \| good	0.471 \| good	10.914 \| good	0.216 \| good
2025-12-11T22:00:00.000Z	49 \| good	9.329 \| good	37.453 \| good	24.025 \| good	0.534 \| good	9.156 \| good	0.245 \| good
2025-12-11T23:00:00.000Z	49 \| good	9.145 \| good	32.561 \| good	23.566 \| good	0.602 \| good	10.186 \| good	0.245 \| good
2025-12-12T00:00:00.000Z	49 \| good	9.489 \| good	35.99 \| good	22.703 \| good	0.773 \| good	12.368 \| good	0.257 \| good
2025-12-12T01:00:00.000Z	52 \| moderate	9.668 \| good	28.029 \| good	21.007 \| good	0.786 \| good	10.23 \| good	0.228 \| good
2025-12-12T02:00:00.000Z	54 \| moderate	11.231 \| good	41.31 \| good	21.259 \| good	0.787 \| good	15.665 \| good	0.257 \| good
2025-12-12T03:00:00.000Z	52 \| moderate	9.56 \| good	42.649 \| good	12.323 \| good	1.017 \| good	13.105 \| good	0.226 \| good
2025-12-12T04:00:00.000Z	56 \| moderate	11.79 \| good	48.355 \| good	18.952 \| good	0.605 \| good	21.548 \| good	0.257 \| good
2025-12-12T05:00:00.000Z	58 \| moderate	12.714 \| fine	50.821 \| good	22.277 \| good	0.689 \| good	23.923 \| good	0.245 \| good
2025-12-12T06:00:00.000Z	58 \| moderate	13.267 \| fine	52.703 \| good	14.978 \| good	0.675 \| good	24.233 \| good	0.228 \| good
2025-12-12T07:00:00.000Z	54 \| moderate	11.442 \| good	43.049 \| good	15.799 \| good	0.713 \| good	22.061 \| good	0.216 \| good
2025-12-12T08:00:00.000Z	56 \| moderate	12.239 \| fine	26.903 \| good	13.237 \| good	0.719 \| good	21.032 \| good	0.222 \| good
2025-12-12T09:00:00.000Z	60 \| moderate	13.565 \| fine	53.124 \| good	19.871 \| good	0.728 \| good	21.487 \| good	0.222 \| good
2025-12-12T10:00:00.000Z	60 \| moderate	13.762 \| fine	48.989 \| good	20.887 \| good	0.687 \| good	24.866 \| good	0.222 \| good
2025-12-12T11:00:00.000Z	62 \| moderate	14.609 \| fine	61.771 \| fine	18.316 \| good	0.704 \| good	25.83 \| good	0.24 \| good
2025-12-12T12:00:00.000Z	60 \| moderate	14.475 \| fine	61.594 \| fine	8.54 \| good	0.715 \| good	28.142 \| good	0.28 \| good
2025-12-12T13:00:00.000Z	60 \| moderate	13.904 \| fine	60.415 \| fine	7.072 \| good	0.671 \| good	27.542 \| good	0.291 \| good
2025-12-12T14:00:00.000Z	62 \| moderate	15.351 \| fine	56.681 \| fine	5.904 \| good	0.763 \| good	27.862 \| good	0.356 \| good
2025-12-12T15:00:00.000Z	67 \| moderate	17.645 \| fine	76.319 \| fine	8.552 \| good	0.784 \| good	22.86 \| good	0.38 \| good
2025-12-12T16:00:00.000Z	67 \| moderate	18.193 \| fine	65.446 \| fine	11.285 \| good	0.726 \| good	20.416 \| good	0.287 \| good
2025-12-12T17:00:00.000Z	69 \| moderate	19.472 \| fine	79.821 \| fine	13.68 \| good	0.658 \| good	15.128 \| good	0.229 \| good
2025-12-12T18:00:00.000Z	73 \| moderate	20.905 \| fine	99.471 \| fine	16.406 \| good	0.449 \| good	11.214 \| good	0.205 \| good
2025-12-12T18:00:00.000Z	73 \| moderate	20.905 \| fine	99.471 \| fine	16.406 \| good	0.449 \| good	11.214 \| good	0.205 \| good
2025-12-12T19:00:00.000Z	69 \| moderate	19.192 \| fine	84.923 \| fine	23.995 \| good	3.339 \| good	6.552 \| good	0.218 \| good
2025-12-12T20:00:00.000Z	69 \| moderate	18.948 \| fine	83.556 \| fine	26.389 \| good	2.557 \| good	5.999 \| good	0.208 \| good
2025-12-12T21:00:00.000Z	69 \| moderate	18.939 \| fine	83.283 \| fine	27.388 \| good	1.774 \| good	5.446 \| good	0.198 \| good
2025-12-12T22:00:00.000Z	67 \| moderate	18.422 \| fine	81.816 \| fine	26.064 \| good	1.448 \| good	5.737 \| good	0.198 \| good
2025-12-12T23:00:00.000Z	66 \| moderate	16.632 \| fine	73.256 \| fine	23.961 \| good	1.121 \| good	6.027 \| good	0.199 \| good
2025-12-13T00:00:00.000Z	64 \| moderate	15.747 \| fine	69.811 \| fine	24.892 \| good	0.794 \| good	6.318 \| good	0.199 \| good
2025-12-13T01:00:00.000Z	67 \| moderate	17.842 \| fine	79.136 \| fine	23.711 \| good	0.578 \| good	5.451 \| good	0.201 \| good
2025-12-13T02:00:00.000Z	73 \| moderate	21.445 \| fine	94.179 \| fine	22.192 \| good	0.362 \| good	4.583 \| good	0.204 \| good
2025-12-13T03:00:00.000Z	84 \| moderate	26.779 \| fine	115.959 \| fine	19.888 \| good	0.146 \| good	3.716 \| good	0.207 \| good
2025-12-13T04:00:00.000Z	66 \| moderate	17.106 \| fine	76.084 \| fine	16.304 \| good	0.162 \| good	2.974 \| good	0.189 \| good
2025-12-13T05:00:00.000Z	33 \| good	5.765 \| good	25.458 \| good	13.962 \| good	0.179 \| good	2.231 \| good	0.171 \| good
2025-12-13T06:00:00.000Z	16 \| good	3.353 \| good	14.849 \| good	13.488 \| good	0.195 \| good	1.488 \| good	0.153 \| good
2025-12-13T07:00:00.000Z	16 \| good	3.194 \| good	14 \| good	14.485 \| good	0.214 \| good	1.45 \| good	0.149 \| good
2025-12-13T08:00:00.000Z	16 \| good	3.48 \| good	15.364 \| good	15.261 \| good	0.234 \| good	1.412 \| good	0.144 \| good
2025-12-13T09:00:00.000Z	22 \| good	3.664 \| good	16 \| good	15.522 \| good	0.253 \| good	1.374 \| good	0.14 \| good
2025-12-13T10:00:00.000Z	22 \| good	4.043 \| good	17.724 \| good	16.445 \| good	0.255 \| good	1.545 \| good	0.142 \| good
2025-12-13T11:00:00.000Z	22 \| good	3.885 \| good	16.852 \| good	16.826 \| good	0.256 \| good	1.715 \| good	0.145 \| good
2025-12-13T12:00:00.000Z	22 \| good	4.005 \| good	17.694 \| good	16.927 \| good	0.257 \| good	1.886 \| good	0.147 \| good
2025-12-13T13:00:00.000Z	16 \| good	3.369 \| good	14.982 \| good	17.404 \| good	0.266 \| good	2.085 \| good	0.149 \| good
2025-12-13T14:00:00.000Z	17 \| good	3.173 \| good	13.897 \| good	17.503 \| good	0.275 \| good	2.285 \| good	0.151 \| good
2025-12-13T15:00:00.000Z	18 \| good	3.484 \| good	15.266 \| good	18.718 \| good	0.284 \| good	2.485 \| good	0.153 \| good
2025-12-13T16:00:00.000Z	22 \| good	4.078 \| good	17.977 \| good	19.783 \| good	0.28 \| good	2.36 \| good	0.153 \| good
2025-12-13T17:00:00.000Z	22 \| good	4.262 \| good	18.883 \| good	21.428 \| good	0.277 \| good	2.234 \| good	0.153 \| good
2025-12-13T18:00:00.000Z	22 \| good	4.067 \| good	17.852 \| good	22.999 \| good	0.274 \| good	2.109 \| good	0.152 \| good
2025-12-13T19:00:00.000Z	22 \| good	3.684 \| good	16.034 \| good	23.967 \| good	0.266 \| good	2.219 \| good	0.152 \| good
2025-12-13T20:00:00.000Z	23 \| good	3.232 \| good	14.067 \| good	24.652 \| good	0.259 \| good	2.328 \| good	0.152 \| good
2025-12-13T21:00:00.000Z	23 \| good	3.315 \| good	14.554 \| good	25.006 \| good	0.251 \| good	2.438 \| good	0.151 \| good
2025-12-13T22:00:00.000Z	22 \| good	3.93 \| good	17.044 \| good	23.885 \| good	0.246 \| good	2.918 \| good	0.154 \| good
2025-12-13T23:00:00.000Z	22 \| good	4.441 \| good	19.33 \| good	22.391 \| good	0.24 \| good	3.398 \| good	0.156 \| good
2025-12-14T00:00:00.000Z	22 \| good	4.013 \| good	17.398 \| good	20.32 \| good	0.235 \| good	3.878 \| good	0.159 \| good
2025-12-14T01:00:00.000Z	22 \| good	4.047 \| good	17.949 \| good	20.358 \| good	0.238 \| good	3.736 \| good	0.158 \| good
2025-12-14T02:00:00.000Z	22 \| good	4.13 \| good	18.095 \| good	19.739 \| good	0.24 \| good	3.595 \| good	0.158 \| good
2025-12-14T03:00:00.000Z	27 \| good	4.575 \| good	19.978 \| good	19.296 \| good	0.243 \| good	3.453 \| good	0.157 \| good
2025-12-14T04:00:00.000Z	27 \| good	4.783 \| good	20.948 \| good	19.044 \| good	0.236 \| good	3.308 \| good	0.156 \| good
2025-12-14T05:00:00.000Z	27 \| good	5.196 \| good	22.627 \| good	18.334 \| good	0.229 \| good	3.163 \| good	0.156 \| good
2025-12-14T06:00:00.000Z	27 \| good	5.477 \| good	23.364 \| good	17.323 \| good	0.222 \| good	3.018 \| good	0.155 \| good
2025-12-14T07:00:00.000Z	33 \| good	5.655 \| good	24.062 \| good	16.5 \| good	0.202 \| good	2.85 \| good	0.154 \| good
2025-12-14T08:00:00.000Z	33 \| good	6.202 \| good	27.408 \| good	16.317 \| good	0.181 \| good	2.682 \| good	0.153 \| good
2025-12-14T09:00:00.000Z	33 \| good	6.488 \| good	29 \| good	15.656 \| good	0.161 \| good	2.514 \| good	0.152 \| good
2025-12-14T10:00:00.000Z	38 \| good	6.744 \| good	30 \| good	14.462 \| good	0.158 \| good	2.582 \| good	0.153 \| good
2025-12-14T11:00:00.000Z	33 \| good	6.348 \| good	28.034 \| good	14.291 \| good	0.155 \| good	2.651 \| good	0.153 \| good
2025-12-14T12:00:00.000Z	33 \| good	6.474 \| good	28.971 \| good	13.864 \| good	0.152 \| good	2.719 \| good	0.154 \| good
2025-12-14T13:00:00.000Z	33 \| good	5.869 \| good	25.576 \| good	14.362 \| good	0.167 \| good	2.786 \| good	0.16 \| good
2025-12-14T14:00:00.000Z	27 \| good	5.027 \| good	21.768 \| good	15.397 \| good	0.181 \| good	2.853 \| good	0.166 \| good
2025-12-14T15:00:00.000Z	27 \| good	4.667 \| good	20.34 \| good	18.009 \| good	0.196 \| good	2.92 \| good	0.172 \| good
2025-12-14T16:00:00.000Z	27 \| good	5.299 \| good	22.971 \| good	19.62 \| good	0.208 \| good	2.586 \| good	0.17 \| good
2025-12-14T17:00:00.000Z	27 \| good	5.449 \| good	23.288 \| good	20.401 \| good	0.22 \| good	2.251 \| good	0.168 \| good
2025-12-14T18:00:00.000Z	33 \| good	5.53 \| good	23.885 \| good	21.478 \| good	0.232 \| good	1.917 \| good	0.166 \| good

Sycamore

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Sycamore, Illinois

0.23ppm

How accurate is Illinois, USA air quality data?

The air quality data for Illinois, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

Source: Ambee Data Sources

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Frequently asked questions

How frequently does the air quality data for Sycamore, Illinois get updated?

Air quality updates for Sycamore, Illinois are available every hour.

What time in the past 24 hours saw the poorest air quality in Sycamore, Illinois?

Sycamore, Illinois experienced its worst air quality at 05:00:00, 2025-12-12.

When was air quality in Sycamore, Illinois the best over the past 24 hours?

The best air quality in Sycamore, Illinois was observed at 07:00:00 on 2025-12-11.

What is the air quality in Sycamore, Illinois right now?

The air quality in Sycamore, Illinois right now is Moderate, with an AQI of 73.

What pollutant is most frequently found in Sycamore, Illinois?

In Sycamore, Illinois, PM10 is the most frequently found pollutant.

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

When air quality in Sycamore, Illinois is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Sycamore, Illinois right now?

Sycamore, Illinois currently has a PM_2.5 concentration of 20.905 μg/m³.

What is the current level of PM₁₀ in Sycamore, Illinois?

Sycamore, Illinois currently has a PM₁₀ concentration of 99.471 μg/m³.

What is the current level of carbon monoxide (CO) in Sycamore, Illinois?

The current carbon monoxide (CO) level in Sycamore, Illinois is 0.205 ppm.

What is the current level of sulfur dioxide (SO₂) in Sycamore, Illinois?

The current sulfur dioxide (SO₂) concentration in Sycamore, Illinois is 0.449 ppb.

What is the current level of ozone (O₃) in Sycamore, Illinois?

Sycamore, Illinois currently has an ozone (O₃) concentration of 16.406 ppm.

What is the current level of nitrogen dioxide (NO₂) in Sycamore, Illinois?

The current level of nitrogen dioxide (NO₂) in Sycamore, Illinois is 11.214 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-10T19:00:00.000Z	33 \| good	6.021 \| good	21.93 \| good	23.497 \| good	0.465 \| good	5.009 \| good	0.14 \| good
2025-12-10T20:00:00.000Z	22 \| good	4.496 \| good	13.396 \| good	23.681 \| good	0.444 \| good	4.884 \| good	0.169 \| good
2025-12-10T21:00:00.000Z	22 \| good	4.051 \| good	15.284 \| good	22.961 \| good	0.464 \| good	5.057 \| good	0.187 \| good
2025-12-10T22:00:00.000Z	21 \| good	3.448 \| good	14.941 \| good	23.071 \| good	0.424 \| good	5.892 \| good	0.213 \| good
2025-12-10T23:00:00.000Z	23 \| good	3.089 \| good	13.624 \| good	24.613 \| good	0.471 \| good	5.234 \| good	0.213 \| good
2025-12-11T00:00:00.000Z	23 \| good	3.159 \| good	13.031 \| good	25.319 \| good	0.451 \| good	6.056 \| good	0.213 \| good
2025-12-11T01:00:00.000Z	24 \| good	3.652 \| good	16.045 \| good	25.87 \| good	0.545 \| good	7.018 \| good	0.187 \| good
2025-12-11T02:00:00.000Z	23 \| good	3.648 \| good	12.826 \| good	24.615 \| good	0.567 \| good	7.119 \| good	0.187 \| good
2025-12-11T03:00:00.000Z	23 \| good	3.466 \| good	15.436 \| good	25.371 \| good	0.495 \| good	6.377 \| good	0.213 \| good
2025-12-11T04:00:00.000Z	23 \| good	3.466 \| good	14.224 \| good	24.704 \| good	0.648 \| good	6.219 \| good	0.158 \| good
2025-12-11T05:00:00.000Z	22 \| good	3.542 \| good	17.218 \| good	23.86 \| good	0.51 \| good	6.444 \| good	0.14 \| good
2025-12-11T06:00:00.000Z	23 \| good	3.765 \| good	16.206 \| good	24.923 \| good	0.49 \| good	5.807 \| good	0.14 \| good
2025-12-11T07:00:00.000Z	25 \| good	3.279 \| good	14.185 \| good	26.612 \| good	0.802 \| good	5.628 \| good	0.14 \| good
2025-12-11T08:00:00.000Z	24 \| good	3.484 \| good	12.502 \| good	25.704 \| good	1.548 \| good	5.949 \| good	0.14 \| good
2025-12-11T09:00:00.000Z	22 \| good	3.416 \| good	15.88 \| good	23.778 \| good	1.267 \| good	6.464 \| good	0.129 \| good
2025-12-11T10:00:00.000Z	23 \| good	3.455 \| good	11.556 \| good	25.475 \| good	2.244 \| good	7.382 \| good	0.14 \| good
2025-12-11T11:00:00.000Z	22 \| good	3.819 \| good	17.339 \| good	24.466 \| good	3.44 \| good	9.784 \| good	0.129 \| good
2025-12-11T12:00:00.000Z	23 \| good	4.241 \| good	17.58 \| good	25.096 \| good	0.676 \| good	9.508 \| good	0.169 \| good
2025-12-11T13:00:00.000Z	25 \| good	4.099 \| good	18.268 \| good	27.492 \| good	1.077 \| good	9.725 \| good	0.169 \| good
2025-12-11T14:00:00.000Z	33 \| good	5.578 \| good	24.128 \| good	26.653 \| good	0.816 \| good	14.29 \| good	0.26 \| good
2025-12-11T15:00:00.000Z	27 \| good	5.373 \| good	20.463 \| good	26.734 \| good	0.853 \| good	9.801 \| good	0.198 \| good
2025-12-11T16:00:00.000Z	38 \| good	7.413 \| good	25.794 \| good	29.353 \| good	0.562 \| good	8.493 \| good	0.169 \| good
2025-12-11T17:00:00.000Z	44 \| good	7.558 \| good	30.413 \| good	28.723 \| good	0.563 \| good	6.108 \| good	0.169 \| good
2025-12-11T18:00:00.000Z	44 \| good	8.06 \| good	36.547 \| good	26.152 \| good	0.507 \| good	6.2 \| good	0.187 \| good
2025-12-11T19:00:00.000Z	38 \| good	7.384 \| good	34.595 \| good	26.129 \| good	0.691 \| good	9.402 \| good	0.187 \| good
2025-12-11T20:00:00.000Z	44 \| good	8.405 \| good	38.356 \| good	26.321 \| good	3.264 \| good	10.167 \| good	0.187 \| good
2025-12-11T21:00:00.000Z	44 \| good	8.146 \| good	33.425 \| good	25.816 \| good	0.471 \| good	10.914 \| good	0.216 \| good
2025-12-11T22:00:00.000Z	49 \| good	9.329 \| good	37.453 \| good	24.025 \| good	0.534 \| good	9.156 \| good	0.245 \| good
2025-12-11T23:00:00.000Z	49 \| good	9.145 \| good	32.561 \| good	23.566 \| good	0.602 \| good	10.186 \| good	0.245 \| good
2025-12-12T00:00:00.000Z	49 \| good	9.489 \| good	35.99 \| good	22.703 \| good	0.773 \| good	12.368 \| good	0.257 \| good
2025-12-12T01:00:00.000Z	52 \| moderate	9.668 \| good	28.029 \| good	21.007 \| good	0.786 \| good	10.23 \| good	0.228 \| good
2025-12-12T02:00:00.000Z	54 \| moderate	11.231 \| good	41.31 \| good	21.259 \| good	0.787 \| good	15.665 \| good	0.257 \| good
2025-12-12T03:00:00.000Z	52 \| moderate	9.56 \| good	42.649 \| good	12.323 \| good	1.017 \| good	13.105 \| good	0.226 \| good
2025-12-12T04:00:00.000Z	56 \| moderate	11.79 \| good	48.355 \| good	18.952 \| good	0.605 \| good	21.548 \| good	0.257 \| good
2025-12-12T05:00:00.000Z	58 \| moderate	12.714 \| fine	50.821 \| good	22.277 \| good	0.689 \| good	23.923 \| good	0.245 \| good
2025-12-12T06:00:00.000Z	58 \| moderate	13.267 \| fine	52.703 \| good	14.978 \| good	0.675 \| good	24.233 \| good	0.228 \| good
2025-12-12T07:00:00.000Z	54 \| moderate	11.442 \| good	43.049 \| good	15.799 \| good	0.713 \| good	22.061 \| good	0.216 \| good
2025-12-12T08:00:00.000Z	56 \| moderate	12.239 \| fine	26.903 \| good	13.237 \| good	0.719 \| good	21.032 \| good	0.222 \| good
2025-12-12T09:00:00.000Z	60 \| moderate	13.565 \| fine	53.124 \| good	19.871 \| good	0.728 \| good	21.487 \| good	0.222 \| good
2025-12-12T10:00:00.000Z	60 \| moderate	13.762 \| fine	48.989 \| good	20.887 \| good	0.687 \| good	24.866 \| good	0.222 \| good
2025-12-12T11:00:00.000Z	62 \| moderate	14.609 \| fine	61.771 \| fine	18.316 \| good	0.704 \| good	25.83 \| good	0.24 \| good
2025-12-12T12:00:00.000Z	60 \| moderate	14.475 \| fine	61.594 \| fine	8.54 \| good	0.715 \| good	28.142 \| good	0.28 \| good
2025-12-12T13:00:00.000Z	60 \| moderate	13.904 \| fine	60.415 \| fine	7.072 \| good	0.671 \| good	27.542 \| good	0.291 \| good
2025-12-12T14:00:00.000Z	62 \| moderate	15.351 \| fine	56.681 \| fine	5.904 \| good	0.763 \| good	27.862 \| good	0.356 \| good
2025-12-12T15:00:00.000Z	67 \| moderate	17.645 \| fine	76.319 \| fine	8.552 \| good	0.784 \| good	22.86 \| good	0.38 \| good
2025-12-12T16:00:00.000Z	67 \| moderate	18.193 \| fine	65.446 \| fine	11.285 \| good	0.726 \| good	20.416 \| good	0.287 \| good
2025-12-12T17:00:00.000Z	69 \| moderate	19.472 \| fine	79.821 \| fine	13.68 \| good	0.658 \| good	15.128 \| good	0.229 \| good
2025-12-12T18:00:00.000Z	73 \| moderate	20.905 \| fine	99.471 \| fine	16.406 \| good	0.449 \| good	11.214 \| good	0.205 \| good
2025-12-12T18:00:00.000Z	73 \| moderate	20.905 \| fine	99.471 \| fine	16.406 \| good	0.449 \| good	11.214 \| good	0.205 \| good
2025-12-12T19:00:00.000Z	69 \| moderate	19.192 \| fine	84.923 \| fine	23.995 \| good	3.339 \| good	6.552 \| good	0.218 \| good
2025-12-12T20:00:00.000Z	69 \| moderate	18.948 \| fine	83.556 \| fine	26.389 \| good	2.557 \| good	5.999 \| good	0.208 \| good
2025-12-12T21:00:00.000Z	69 \| moderate	18.939 \| fine	83.283 \| fine	27.388 \| good	1.774 \| good	5.446 \| good	0.198 \| good
2025-12-12T22:00:00.000Z	67 \| moderate	18.422 \| fine	81.816 \| fine	26.064 \| good	1.448 \| good	5.737 \| good	0.198 \| good
2025-12-12T23:00:00.000Z	66 \| moderate	16.632 \| fine	73.256 \| fine	23.961 \| good	1.121 \| good	6.027 \| good	0.199 \| good
2025-12-13T00:00:00.000Z	64 \| moderate	15.747 \| fine	69.811 \| fine	24.892 \| good	0.794 \| good	6.318 \| good	0.199 \| good
2025-12-13T01:00:00.000Z	67 \| moderate	17.842 \| fine	79.136 \| fine	23.711 \| good	0.578 \| good	5.451 \| good	0.201 \| good
2025-12-13T02:00:00.000Z	73 \| moderate	21.445 \| fine	94.179 \| fine	22.192 \| good	0.362 \| good	4.583 \| good	0.204 \| good
2025-12-13T03:00:00.000Z	84 \| moderate	26.779 \| fine	115.959 \| fine	19.888 \| good	0.146 \| good	3.716 \| good	0.207 \| good
2025-12-13T04:00:00.000Z	66 \| moderate	17.106 \| fine	76.084 \| fine	16.304 \| good	0.162 \| good	2.974 \| good	0.189 \| good
2025-12-13T05:00:00.000Z	33 \| good	5.765 \| good	25.458 \| good	13.962 \| good	0.179 \| good	2.231 \| good	0.171 \| good
2025-12-13T06:00:00.000Z	16 \| good	3.353 \| good	14.849 \| good	13.488 \| good	0.195 \| good	1.488 \| good	0.153 \| good
2025-12-13T07:00:00.000Z	16 \| good	3.194 \| good	14 \| good	14.485 \| good	0.214 \| good	1.45 \| good	0.149 \| good
2025-12-13T08:00:00.000Z	16 \| good	3.48 \| good	15.364 \| good	15.261 \| good	0.234 \| good	1.412 \| good	0.144 \| good
2025-12-13T09:00:00.000Z	22 \| good	3.664 \| good	16 \| good	15.522 \| good	0.253 \| good	1.374 \| good	0.14 \| good
2025-12-13T10:00:00.000Z	22 \| good	4.043 \| good	17.724 \| good	16.445 \| good	0.255 \| good	1.545 \| good	0.142 \| good
2025-12-13T11:00:00.000Z	22 \| good	3.885 \| good	16.852 \| good	16.826 \| good	0.256 \| good	1.715 \| good	0.145 \| good
2025-12-13T12:00:00.000Z	22 \| good	4.005 \| good	17.694 \| good	16.927 \| good	0.257 \| good	1.886 \| good	0.147 \| good
2025-12-13T13:00:00.000Z	16 \| good	3.369 \| good	14.982 \| good	17.404 \| good	0.266 \| good	2.085 \| good	0.149 \| good
2025-12-13T14:00:00.000Z	17 \| good	3.173 \| good	13.897 \| good	17.503 \| good	0.275 \| good	2.285 \| good	0.151 \| good
2025-12-13T15:00:00.000Z	18 \| good	3.484 \| good	15.266 \| good	18.718 \| good	0.284 \| good	2.485 \| good	0.153 \| good
2025-12-13T16:00:00.000Z	22 \| good	4.078 \| good	17.977 \| good	19.783 \| good	0.28 \| good	2.36 \| good	0.153 \| good
2025-12-13T17:00:00.000Z	22 \| good	4.262 \| good	18.883 \| good	21.428 \| good	0.277 \| good	2.234 \| good	0.153 \| good
2025-12-13T18:00:00.000Z	22 \| good	4.067 \| good	17.852 \| good	22.999 \| good	0.274 \| good	2.109 \| good	0.152 \| good
2025-12-13T19:00:00.000Z	22 \| good	3.684 \| good	16.034 \| good	23.967 \| good	0.266 \| good	2.219 \| good	0.152 \| good
2025-12-13T20:00:00.000Z	23 \| good	3.232 \| good	14.067 \| good	24.652 \| good	0.259 \| good	2.328 \| good	0.152 \| good
2025-12-13T21:00:00.000Z	23 \| good	3.315 \| good	14.554 \| good	25.006 \| good	0.251 \| good	2.438 \| good	0.151 \| good
2025-12-13T22:00:00.000Z	22 \| good	3.93 \| good	17.044 \| good	23.885 \| good	0.246 \| good	2.918 \| good	0.154 \| good
2025-12-13T23:00:00.000Z	22 \| good	4.441 \| good	19.33 \| good	22.391 \| good	0.24 \| good	3.398 \| good	0.156 \| good
2025-12-14T00:00:00.000Z	22 \| good	4.013 \| good	17.398 \| good	20.32 \| good	0.235 \| good	3.878 \| good	0.159 \| good
2025-12-14T01:00:00.000Z	22 \| good	4.047 \| good	17.949 \| good	20.358 \| good	0.238 \| good	3.736 \| good	0.158 \| good
2025-12-14T02:00:00.000Z	22 \| good	4.13 \| good	18.095 \| good	19.739 \| good	0.24 \| good	3.595 \| good	0.158 \| good
2025-12-14T03:00:00.000Z	27 \| good	4.575 \| good	19.978 \| good	19.296 \| good	0.243 \| good	3.453 \| good	0.157 \| good
2025-12-14T04:00:00.000Z	27 \| good	4.783 \| good	20.948 \| good	19.044 \| good	0.236 \| good	3.308 \| good	0.156 \| good
2025-12-14T05:00:00.000Z	27 \| good	5.196 \| good	22.627 \| good	18.334 \| good	0.229 \| good	3.163 \| good	0.156 \| good
2025-12-14T06:00:00.000Z	27 \| good	5.477 \| good	23.364 \| good	17.323 \| good	0.222 \| good	3.018 \| good	0.155 \| good
2025-12-14T07:00:00.000Z	33 \| good	5.655 \| good	24.062 \| good	16.5 \| good	0.202 \| good	2.85 \| good	0.154 \| good
2025-12-14T08:00:00.000Z	33 \| good	6.202 \| good	27.408 \| good	16.317 \| good	0.181 \| good	2.682 \| good	0.153 \| good
2025-12-14T09:00:00.000Z	33 \| good	6.488 \| good	29 \| good	15.656 \| good	0.161 \| good	2.514 \| good	0.152 \| good
2025-12-14T10:00:00.000Z	38 \| good	6.744 \| good	30 \| good	14.462 \| good	0.158 \| good	2.582 \| good	0.153 \| good
2025-12-14T11:00:00.000Z	33 \| good	6.348 \| good	28.034 \| good	14.291 \| good	0.155 \| good	2.651 \| good	0.153 \| good
2025-12-14T12:00:00.000Z	33 \| good	6.474 \| good	28.971 \| good	13.864 \| good	0.152 \| good	2.719 \| good	0.154 \| good
2025-12-14T13:00:00.000Z	33 \| good	5.869 \| good	25.576 \| good	14.362 \| good	0.167 \| good	2.786 \| good	0.16 \| good
2025-12-14T14:00:00.000Z	27 \| good	5.027 \| good	21.768 \| good	15.397 \| good	0.181 \| good	2.853 \| good	0.166 \| good
2025-12-14T15:00:00.000Z	27 \| good	4.667 \| good	20.34 \| good	18.009 \| good	0.196 \| good	2.92 \| good	0.172 \| good
2025-12-14T16:00:00.000Z	27 \| good	5.299 \| good	22.971 \| good	19.62 \| good	0.208 \| good	2.586 \| good	0.17 \| good
2025-12-14T17:00:00.000Z	27 \| good	5.449 \| good	23.288 \| good	20.401 \| good	0.22 \| good	2.251 \| good	0.168 \| good
2025-12-14T18:00:00.000Z	33 \| good	5.53 \| good	23.885 \| good	21.478 \| good	0.232 \| good	1.917 \| good	0.166 \| good

Current air quality index in Sycamore, Illinois today

Common air pollutants in Sycamore, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Real-time air quality map: Monitor AQI near Sycamore, Illinois

Air quality in nearby cities

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St. Charles, Illinois

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Frequently asked questions

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What is the PM2.5 concentration in Sycamore, Illinois right now?

What is the current level of PM10 in Sycamore, Illinois?

What is the current level of carbon monoxide (CO) in Sycamore, Illinois?

What is the current level of sulfur dioxide (SO2) in Sycamore, Illinois?

What is the current level of ozone (O3) in Sycamore, Illinois?

What is the current level of nitrogen dioxide (NO2) in Sycamore, Illinois?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 concentration in Sycamore, Illinois right now?

What is the current level of PM₁₀ in Sycamore, Illinois?

What is the current level of sulfur dioxide (SO₂) in Sycamore, Illinois?

What is the current level of ozone (O₃) in Sycamore, Illinois?

What is the current level of nitrogen dioxide (NO₂) in Sycamore, Illinois?