What is the current concentration of PM10 in West Chicago, Illinois?

The current PM10 concentration at West Chicago, Illinois is 9.25 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in West Chicago, Illinois?

The current sulfur dioxide (SO2) concentration at West Chicago, Illinois is 0.466 ppb.

What is the current concentration of ozone (O3) in West Chicago, Illinois?

The current ozone (O3) concentration at West Chicago, Illinois is 16.383 ppm.

What is the current concentration of nitrogen dioxide (NO2) in West Chicago, Illinois?

The current nitrogen dioxide (NO2) concentration at West Chicago, Illinois is 4.799 ppb.

West Chicago, Illinois live air quality index now

Q: What is the current concentration of PM2.5 in West Chicago, Illinois?

The current PM2.5 concentration at West Chicago, Illinois is 1.715 μg/m3.

Stay updated with real-time air quality in West Chicago, Illinois featuring accurate data on AQI, PM_2.5, PM₁₀, O₃, NO₂, SO₂, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.

Live AQI (Air Quality Index)

Good

West Chicago, Illinois

Last updated: ... (Local time)

Major air pollutants in West Chicago, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.17 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

20.98 μg/m³

155

255

425

605+

Ozone (O₃)

3.90 ppb

201

201+

Sulfur Dioxide (SO₂)

1.04 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

14.59 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.28 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

West Chicago, Illinois

Get Live Pollen Counts

West Chicago, Illinois

Scroll To Air Quality Map

Track live West Chicago, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-22T13:00:00.000Z	19 \| good	1.607 \| good	6.519 \| good	20.689 \| good	0.593 \| good	4.22 \| good	0.215 \| good
2025-10-22T14:00:00.000Z	19 \| good	1.818 \| good	7.341 \| good	21.061 \| good	0.651 \| good	4.635 \| good	0.211 \| good
2025-10-22T15:00:00.000Z	19 \| good	1.783 \| good	6.709 \| good	19.771 \| good	0.564 \| good	4.522 \| good	0.202 \| good
2025-10-22T16:00:00.000Z	16 \| good	1.866 \| good	6.608 \| good	17.173 \| good	0.727 \| good	4.118 \| good	0.202 \| good
2025-10-22T17:00:00.000Z	19 \| good	1.92 \| good	7.918 \| good	19.728 \| good	0.564 \| good	3.07 \| good	0.202 \| good
2025-10-22T18:00:00.000Z	17 \| good	1.94 \| good	7.53 \| good	17.545 \| good	0.572 \| good	2.707 \| good	0.149 \| good
2025-10-22T19:00:00.000Z	18 \| good	1.897 \| good	6.846 \| good	18.709 \| good	0.495 \| good	2.748 \| good	0.202 \| good
2025-10-22T20:00:00.000Z	18 \| good	1.927 \| good	7.426 \| good	18.962 \| good	0.517 \| good	2.912 \| good	0.185 \| good
2025-10-22T21:00:00.000Z	16 \| good	2.201 \| good	12.736 \| good	17.485 \| good	0.446 \| good	3.331 \| good	0.263 \| good
2025-10-22T22:00:00.000Z	16 \| good	2.014 \| good	9.16 \| good	16.985 \| good	0.53 \| good	3.762 \| good	0.251 \| good
2025-10-22T23:00:00.000Z	16 \| good	1.946 \| good	7.963 \| good	17.493 \| good	0.552 \| good	4.05 \| good	0.251 \| good
2025-10-23T00:00:00.000Z	15 \| good	1.715 \| good	9.25 \| good	16.383 \| good	0.466 \| good	4.799 \| good	0.185 \| good
2025-10-23T01:00:00.000Z	14 \| good	1.619 \| good	7.722 \| good	14.642 \| good	0.474 \| good	5.335 \| good	0.163 \| good
2025-10-23T02:00:00.000Z	16 \| good	1.583 \| good	7.175 \| good	17.365 \| good	0.635 \| good	5.802 \| good	0.229 \| good
2025-10-23T03:00:00.000Z	14 \| good	1.662 \| good	5.814 \| good	14.534 \| good	0.664 \| good	5.592 \| good	0.229 \| good
2025-10-23T04:00:00.000Z	15 \| good	1.56 \| good	6.029 \| good	15.509 \| good	0.663 \| good	6.063 \| good	0.229 \| good
2025-10-23T05:00:00.000Z	11 \| good	1.531 \| good	6.837 \| good	12.375 \| good	1.194 \| good	7.794 \| good	0.283 \| good
2025-10-23T06:00:00.000Z	13 \| good	1.529 \| good	9.373 \| good	14.301 \| good	0.824 \| good	6.887 \| good	0.254 \| good
2025-10-23T07:00:00.000Z	13 \| good	1.597 \| good	6.898 \| good	13.718 \| good	0.667 \| good	9.608 \| good	0.24 \| good
2025-10-23T08:00:00.000Z	12 \| good	1.758 \| good	6.874 \| good	12.73 \| good	1.043 \| good	7.643 \| good	0.225 \| good
2025-10-23T09:00:00.000Z	11 \| good	1.955 \| good	8.508 \| good	11.959 \| good	0.772 \| good	6.925 \| good	0.196 \| good
2025-10-23T10:00:00.000Z	16 \| good	2.557 \| good	10.547 \| good	12.22 \| good	0.678 \| good	7.94 \| good	0.211 \| good
2025-10-23T11:00:00.000Z	16 \| good	2.796 \| good	11.685 \| good	8.238 \| good	0.733 \| good	10.444 \| good	0.263 \| good
2025-10-23T12:00:00.000Z	16 \| good	2.77 \| good	11.513 \| good	9.615 \| good	0.637 \| good	10.566 \| good	0.293 \| good
2025-10-23T13:00:00.000Z	16 \| good	3.09 \| good	13.234 \| good	8.151 \| good	0.731 \| good	8.63 \| good	0.306 \| good
2025-10-23T14:00:00.000Z	22 \| good	3.915 \| good	15.712 \| good	11.852 \| good	0.783 \| good	10.207 \| good	0.373 \| good
2025-10-23T15:00:00.000Z	22 \| good	3.872 \| good	17.253 \| good	11.501 \| good	0.759 \| good	6.751 \| good	0.211 \| good
2025-10-23T16:00:00.000Z	22 \| good	3.571 \| good	15.731 \| good	11.42 \| good	1.502 \| good	5.966 \| good	0.251 \| good
2025-10-23T17:00:00.000Z	16 \| good	3.438 \| good	14.351 \| good	13.828 \| good	1.269 \| good	4.717 \| good	0.237 \| good
2025-10-23T18:00:00.000Z	17 \| good	3.158 \| good	11.26 \| good	18.417 \| good	0.899 \| good	4.4 \| good	0.149 \| good
2025-10-23T19:00:00.000Z	19 \| good	2.827 \| good	9.909 \| good	20.318 \| good	0.994 \| good	4.364 \| good	0.185 \| good
2025-10-23T20:00:00.000Z	19 \| good	2.327 \| good	9.764 \| good	21.27 \| good	0.926 \| good	5.321 \| good	0.286 \| good
2025-10-23T21:00:00.000Z	19 \| good	1.867 \| good	7.129 \| good	20.14 \| good	0.916 \| good	4.542 \| good	0.22 \| good
2025-10-23T22:00:00.000Z	22 \| good	1.821 \| good	7.766 \| good	23.681 \| good	1.003 \| good	3.722 \| good	0.286 \| good
2025-10-23T23:00:00.000Z	20 \| good	1.937 \| good	7.943 \| good	22.43 \| good	0.816 \| good	3.903 \| good	0.22 \| good
2025-10-24T00:00:00.000Z	25 \| good	1.993 \| good	9.504 \| good	26.961 \| good	0.939 \| good	7.778 \| good	0.28 \| good
2025-10-24T01:00:00.000Z	22 \| good	3.136 \| good	19.4 \| good	24.112 \| good	1.904 \| good	11.27 \| good	0.293 \| good
2025-10-24T02:00:00.000Z	22 \| good	3.534 \| good	13.44 \| good	18.754 \| good	1.161 \| good	16.477 \| good	0.342 \| good
2025-10-24T03:00:00.000Z	16 \| good	2.528 \| good	9.994 \| good	8.511 \| good	0.807 \| good	11.879 \| good	0.183 \| good
2025-10-24T04:00:00.000Z	22 \| good	4.473 \| good	18.791 \| good	12.212 \| good	1.218 \| good	21.551 \| good	0.222 \| good
2025-10-24T05:00:00.000Z	22 \| good	4.153 \| good	20.572 \| good	9.211 \| good	1.035 \| good	16.352 \| good	0.248 \| good
2025-10-24T06:00:00.000Z	27 \| good	4.761 \| good	21.173 \| good	5.09 \| good	1.047 \| good	15.253 \| good	0.261 \| good
2025-10-24T07:00:00.000Z	27 \| good	4.637 \| good	14.427 \| good	4.254 \| good	1.248 \| good	12.876 \| good	0.274 \| good
2025-10-24T08:00:00.000Z	27 \| good	4.702 \| good	16.057 \| good	4.06 \| good	1.219 \| good	9.102 \| good	0.271 \| good
2025-10-24T09:00:00.000Z	26 \| good	4.192 \| good	28.071 \| good	5.988 \| good	0.927 \| good	9.352 \| good	0.247 \| good
2025-10-24T10:00:00.000Z	22 \| good	4.156 \| good	16.047 \| good	4.808 \| good	1.118 \| good	16.195 \| good	0.31 \| good
2025-10-24T11:00:00.000Z	22 \| good	4.02 \| good	24.165 \| good	3.9 \| good	1.24 \| good	15.293 \| good	0.234 \| good
2025-10-24T12:00:00.000Z	22 \| good	4.169 \| good	20.979 \| good	3.9 \| good	1.044 \| good	14.587 \| good	0.28 \| good
2025-10-24T12:00:00.000Z	22 \| good	4.169 \| good	20.979 \| good	3.9 \| good	1.044 \| good	14.587 \| good	0.28 \| good
2025-10-23T02:00:00.000Z	19 \| good	0.596 \| good	2.054 \| good	21.425 \| good	0.489 \| good	5.004 \| good	0.143 \| good
2025-10-23T03:00:00.000Z	18 \| good	0.629 \| good	2.531 \| good	19.185 \| good	0.491 \| good	4.771 \| good	0.14 \| good
2025-10-23T04:00:00.000Z	18 \| good	0.416 \| good	1.563 \| good	19.23 \| good	0.494 \| good	4.515 \| good	0.139 \| good
2025-10-23T05:00:00.000Z	17 \| good	0.448 \| good	1.555 \| good	17.692 \| good	0.497 \| good	4.259 \| good	0.138 \| good
2025-10-23T06:00:00.000Z	18 \| good	0.524 \| good	1.975 \| good	18.62 \| good	0.5 \| good	4.003 \| good	0.138 \| good
2025-10-23T07:00:00.000Z	17 \| good	0.484 \| good	1.616 \| good	18.1 \| good	0.527 \| good	3.997 \| good	0.136 \| good
2025-10-23T08:00:00.000Z	15 \| good	0.73 \| good	2.939 \| good	15.725 \| good	0.555 \| good	3.99 \| good	0.135 \| good
2025-10-23T09:00:00.000Z	12 \| good	0.72 \| good	2.939 \| good	13.147 \| good	0.582 \| good	3.984 \| good	0.134 \| good
2025-10-23T10:00:00.000Z	11 \| good	0.177 \| good	0.216 \| good	12.243 \| good	0.635 \| good	4.743 \| good	0.138 \| good
2025-10-23T11:00:00.000Z	8 \| good	0.588 \| good	2.253 \| good	8.946 \| good	0.688 \| good	5.501 \| good	0.142 \| good
2025-10-23T12:00:00.000Z	7 \| good	1.29 \| good	5.035 \| good	8.326 \| good	0.74 \| good	6.26 \| good	0.146 \| good
2025-10-23T13:00:00.000Z	9 \| good	0.884 \| good	3.285 \| good	9.978 \| good	0.775 \| good	5.518 \| good	0.148 \| good
2025-10-23T14:00:00.000Z	14 \| good	1.795 \| good	7.391 \| good	15.178 \| good	0.809 \| good	4.775 \| good	0.15 \| good
2025-10-23T15:00:00.000Z	19 \| good	1.774 \| good	7.461 \| good	20.88 \| good	0.844 \| good	4.033 \| good	0.152 \| good
2025-10-23T16:00:00.000Z	21 \| good	1.531 \| good	6.376 \| good	22.933 \| good	0.721 \| good	3.357 \| good	0.142 \| good
2025-10-23T17:00:00.000Z	23 \| good	1.124 \| good	4.461 \| good	24.654 \| good	0.598 \| good	2.681 \| good	0.132 \| good
2025-10-23T18:00:00.000Z	25 \| good	0.822 \| good	3.135 \| good	27.375 \| good	0.475 \| good	2.005 \| good	0.123 \| good
2025-10-23T19:00:00.000Z	25 \| good	1.101 \| good	4.407 \| good	27.173 \| good	0.467 \| good	2.073 \| good	0.123 \| good
2025-10-23T20:00:00.000Z	26 \| good	1.494 \| good	5.922 \| good	28.482 \| good	0.458 \| good	2.14 \| good	0.122 \| good
2025-10-23T21:00:00.000Z	26 \| good	0.805 \| good	3.032 \| good	28.169 \| good	0.45 \| good	2.207 \| good	0.122 \| good
2025-10-23T22:00:00.000Z	22 \| good	2.229 \| good	9.376 \| good	23.612 \| good	0.552 \| good	5.027 \| good	0.141 \| good
2025-10-23T23:00:00.000Z	27 \| good	5.005 \| good	21.71 \| good	15.949 \| good	0.654 \| good	7.846 \| good	0.159 \| good
2025-10-24T00:00:00.000Z	22 \| good	4.392 \| good	19.151 \| good	12.183 \| good	0.757 \| good	10.666 \| good	0.178 \| good
2025-10-24T01:00:00.000Z	10 \| good	1.463 \| good	5.898 \| good	8.413 \| good	0.817 \| good	11.436 \| good	0.181 \| good
2025-10-24T02:00:00.000Z	11 \| good	1.093 \| good	4.323 \| good	5.878 \| good	0.876 \| good	12.206 \| good	0.184 \| good
2025-10-24T03:00:00.000Z	12 \| good	1.076 \| good	4.339 \| good	5.208 \| good	0.936 \| good	12.976 \| good	0.188 \| good
2025-10-24T04:00:00.000Z	12 \| good	1.027 \| good	4.294 \| good	6.117 \| good	0.92 \| good	12.649 \| good	0.187 \| good
2025-10-24T05:00:00.000Z	11 \| good	1.249 \| good	4.918 \| good	7.69 \| good	0.904 \| good	12.323 \| good	0.187 \| good
2025-10-24T06:00:00.000Z	11 \| good	1.343 \| good	5.449 \| good	7.183 \| good	0.887 \| good	11.996 \| good	0.186 \| good
2025-10-24T07:00:00.000Z	16 \| good	2.521 \| good	10.421 \| good	6.083 \| good	0.882 \| good	11.492 \| good	0.182 \| good
2025-10-24T08:00:00.000Z	16 \| good	2.931 \| good	12.392 \| good	3.942 \| good	0.876 \| good	10.988 \| good	0.178 \| good
2025-10-24T09:00:00.000Z	16 \| good	3.264 \| good	13.976 \| good	3.326 \| good	0.87 \| good	10.485 \| good	0.174 \| good
2025-10-24T10:00:00.000Z	16 \| good	2.79 \| good	11.327 \| good	2.739 \| good	0.936 \| good	11.878 \| good	0.182 \| good
2025-10-24T11:00:00.000Z	33 \| good	5.616 \| good	24.563 \| good	1.347 \| good	1.001 \| good	13.271 \| good	0.19 \| good
2025-10-24T12:00:00.000Z	44 \| good	7.988 \| good	35.104 \| good	0.527 \| good	1.067 \| good	14.664 \| good	0.198 \| good
2025-10-24T13:00:00.000Z	38 \| good	7.398 \| good	32.533 \| good	2.662 \| good	1.272 \| good	13.027 \| good	0.209 \| good
2025-10-24T14:00:00.000Z	33 \| good	5.836 \| good	25.513 \| good	7.987 \| good	1.478 \| good	11.39 \| good	0.22 \| good
2025-10-24T15:00:00.000Z	27 \| good	5.454 \| good	23.298 \| good	14.431 \| good	1.684 \| good	9.753 \| good	0.23 \| good
2025-10-24T16:00:00.000Z	33 \| good	5.581 \| good	23.858 \| good	21.077 \| good	1.539 \| good	7.517 \| good	0.201 \| good
2025-10-24T17:00:00.000Z	27 \| good	5.219 \| good	22.722 \| good	25.456 \| good	1.394 \| good	5.281 \| good	0.172 \| good
2025-10-24T18:00:00.000Z	27 \| good	4.841 \| good	21.147 \| good	28.904 \| good	1.25 \| good	3.045 \| good	0.143 \| good
2025-10-24T19:00:00.000Z	28 \| good	5.007 \| good	21.771 \| good	30.34 \| good	1.348 \| good	3.44 \| good	0.146 \| good
2025-10-24T20:00:00.000Z	33 \| good	5.592 \| good	24.203 \| good	29.433 \| good	1.447 \| good	3.835 \| good	0.148 \| good
2025-10-24T21:00:00.000Z	38 \| good	6.553 \| good	29.347 \| good	29.998 \| good	1.546 \| good	4.23 \| good	0.15 \| good
2025-10-24T22:00:00.000Z	49 \| good	8.612 \| good	37.987 \| good	22.803 \| good	1.868 \| good	12.763 \| good	0.224 \| good
2025-10-24T23:00:00.000Z	54 \| moderate	11.105 \| good	49.204 \| good	14.743 \| good	2.191 \| good	21.295 \| good	0.299 \| good
2025-10-25T00:00:00.000Z	73 \| moderate	20.628 \| fine	20.923 \| good	6.833 \| good	2.53 \| good	29.743 \| good	0.372 \| good
2025-10-25T01:00:00.000Z	60 \| moderate	14.084 \| fine	62.682 \| fine	8.079 \| good	2.759 \| good	30.385 \| good	0.356 \| good

West Chicago

Get reliable air quality data to drive your business

West Chicago, Illinois air quality map: Track AQI near you

0.18ppm

How accurate is Illinois, USA air quality data?

Air quality data and pollutant measurements for Illinois, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.

Source: Ambee Data Sources

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Frequently asked questions

How often is the air quality data for West Chicago, Illinois updated?

The air quality for West Chicago, Illinois is updated every hour.

When was the worst air quality at West Chicago, Illinois in the last 24 hrs?

The worst air quality in West Chicago, Illinois in the last 24 hours was observed at 03:00:00 on 2025-10-22.

When was the best air quality at West Chicago, Illinois in the last 24 hrs?

In the last 24 hrs, the best air quality in West Chicago, Illinois was observed at 12:00:00 on 2025-10-23.

What is the current air quality in West Chicago, Illinois?

The current air quality in West Chicago, Illinois is 15, categorized as Good based on real-time data.

What pollutant is the most common in West Chicago, Illinois?

The most common pollutant in West Chicago, Illinois is O3.

What should I do if the air quality in West Chicago, Illinois is poor?

If the air quality in West Chicago, Illinois is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in West Chicago, Illinois?

The current PM_2.5 concentration at West Chicago, Illinois is 1.715 μg/m³.

What is the current concentration of PM₁₀ in West Chicago, Illinois?

The current PM₁₀ concentration at West Chicago, Illinois is 9.25 μg/m³.

What is the current concentration of carbon monoxide (CO) in West Chicago, Illinois?

The current carbon monoxide (CO) concentration at West Chicago, Illinois is 0.185 ppm.

What is the current concentration of sulfur dioxide (SO₂) in West Chicago, Illinois?

The current sulfur dioxide (SO₂) concentration at West Chicago, Illinois is 0.466 ppb.

What is the current concentration of ozone (O₃) in West Chicago, Illinois?

The current ozone (O₃) concentration at West Chicago, Illinois is 16.383 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in West Chicago, Illinois?

The current nitrogen dioxide (NO₂) concentration at West Chicago, Illinois is 4.799 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-22T13:00:00.000Z	19 \| good	1.607 \| good	6.519 \| good	20.689 \| good	0.593 \| good	4.22 \| good	0.215 \| good
2025-10-22T14:00:00.000Z	19 \| good	1.818 \| good	7.341 \| good	21.061 \| good	0.651 \| good	4.635 \| good	0.211 \| good
2025-10-22T15:00:00.000Z	19 \| good	1.783 \| good	6.709 \| good	19.771 \| good	0.564 \| good	4.522 \| good	0.202 \| good
2025-10-22T16:00:00.000Z	16 \| good	1.866 \| good	6.608 \| good	17.173 \| good	0.727 \| good	4.118 \| good	0.202 \| good
2025-10-22T17:00:00.000Z	19 \| good	1.92 \| good	7.918 \| good	19.728 \| good	0.564 \| good	3.07 \| good	0.202 \| good
2025-10-22T18:00:00.000Z	17 \| good	1.94 \| good	7.53 \| good	17.545 \| good	0.572 \| good	2.707 \| good	0.149 \| good
2025-10-22T19:00:00.000Z	18 \| good	1.897 \| good	6.846 \| good	18.709 \| good	0.495 \| good	2.748 \| good	0.202 \| good
2025-10-22T20:00:00.000Z	18 \| good	1.927 \| good	7.426 \| good	18.962 \| good	0.517 \| good	2.912 \| good	0.185 \| good
2025-10-22T21:00:00.000Z	16 \| good	2.201 \| good	12.736 \| good	17.485 \| good	0.446 \| good	3.331 \| good	0.263 \| good
2025-10-22T22:00:00.000Z	16 \| good	2.014 \| good	9.16 \| good	16.985 \| good	0.53 \| good	3.762 \| good	0.251 \| good
2025-10-22T23:00:00.000Z	16 \| good	1.946 \| good	7.963 \| good	17.493 \| good	0.552 \| good	4.05 \| good	0.251 \| good
2025-10-23T00:00:00.000Z	15 \| good	1.715 \| good	9.25 \| good	16.383 \| good	0.466 \| good	4.799 \| good	0.185 \| good
2025-10-23T01:00:00.000Z	14 \| good	1.619 \| good	7.722 \| good	14.642 \| good	0.474 \| good	5.335 \| good	0.163 \| good
2025-10-23T02:00:00.000Z	16 \| good	1.583 \| good	7.175 \| good	17.365 \| good	0.635 \| good	5.802 \| good	0.229 \| good
2025-10-23T03:00:00.000Z	14 \| good	1.662 \| good	5.814 \| good	14.534 \| good	0.664 \| good	5.592 \| good	0.229 \| good
2025-10-23T04:00:00.000Z	15 \| good	1.56 \| good	6.029 \| good	15.509 \| good	0.663 \| good	6.063 \| good	0.229 \| good
2025-10-23T05:00:00.000Z	11 \| good	1.531 \| good	6.837 \| good	12.375 \| good	1.194 \| good	7.794 \| good	0.283 \| good
2025-10-23T06:00:00.000Z	13 \| good	1.529 \| good	9.373 \| good	14.301 \| good	0.824 \| good	6.887 \| good	0.254 \| good
2025-10-23T07:00:00.000Z	13 \| good	1.597 \| good	6.898 \| good	13.718 \| good	0.667 \| good	9.608 \| good	0.24 \| good
2025-10-23T08:00:00.000Z	12 \| good	1.758 \| good	6.874 \| good	12.73 \| good	1.043 \| good	7.643 \| good	0.225 \| good
2025-10-23T09:00:00.000Z	11 \| good	1.955 \| good	8.508 \| good	11.959 \| good	0.772 \| good	6.925 \| good	0.196 \| good
2025-10-23T10:00:00.000Z	16 \| good	2.557 \| good	10.547 \| good	12.22 \| good	0.678 \| good	7.94 \| good	0.211 \| good
2025-10-23T11:00:00.000Z	16 \| good	2.796 \| good	11.685 \| good	8.238 \| good	0.733 \| good	10.444 \| good	0.263 \| good
2025-10-23T12:00:00.000Z	16 \| good	2.77 \| good	11.513 \| good	9.615 \| good	0.637 \| good	10.566 \| good	0.293 \| good
2025-10-23T13:00:00.000Z	16 \| good	3.09 \| good	13.234 \| good	8.151 \| good	0.731 \| good	8.63 \| good	0.306 \| good
2025-10-23T14:00:00.000Z	22 \| good	3.915 \| good	15.712 \| good	11.852 \| good	0.783 \| good	10.207 \| good	0.373 \| good
2025-10-23T15:00:00.000Z	22 \| good	3.872 \| good	17.253 \| good	11.501 \| good	0.759 \| good	6.751 \| good	0.211 \| good
2025-10-23T16:00:00.000Z	22 \| good	3.571 \| good	15.731 \| good	11.42 \| good	1.502 \| good	5.966 \| good	0.251 \| good
2025-10-23T17:00:00.000Z	16 \| good	3.438 \| good	14.351 \| good	13.828 \| good	1.269 \| good	4.717 \| good	0.237 \| good
2025-10-23T18:00:00.000Z	17 \| good	3.158 \| good	11.26 \| good	18.417 \| good	0.899 \| good	4.4 \| good	0.149 \| good
2025-10-23T19:00:00.000Z	19 \| good	2.827 \| good	9.909 \| good	20.318 \| good	0.994 \| good	4.364 \| good	0.185 \| good
2025-10-23T20:00:00.000Z	19 \| good	2.327 \| good	9.764 \| good	21.27 \| good	0.926 \| good	5.321 \| good	0.286 \| good
2025-10-23T21:00:00.000Z	19 \| good	1.867 \| good	7.129 \| good	20.14 \| good	0.916 \| good	4.542 \| good	0.22 \| good
2025-10-23T22:00:00.000Z	22 \| good	1.821 \| good	7.766 \| good	23.681 \| good	1.003 \| good	3.722 \| good	0.286 \| good
2025-10-23T23:00:00.000Z	20 \| good	1.937 \| good	7.943 \| good	22.43 \| good	0.816 \| good	3.903 \| good	0.22 \| good
2025-10-24T00:00:00.000Z	25 \| good	1.993 \| good	9.504 \| good	26.961 \| good	0.939 \| good	7.778 \| good	0.28 \| good
2025-10-24T01:00:00.000Z	22 \| good	3.136 \| good	19.4 \| good	24.112 \| good	1.904 \| good	11.27 \| good	0.293 \| good
2025-10-24T02:00:00.000Z	22 \| good	3.534 \| good	13.44 \| good	18.754 \| good	1.161 \| good	16.477 \| good	0.342 \| good
2025-10-24T03:00:00.000Z	16 \| good	2.528 \| good	9.994 \| good	8.511 \| good	0.807 \| good	11.879 \| good	0.183 \| good
2025-10-24T04:00:00.000Z	22 \| good	4.473 \| good	18.791 \| good	12.212 \| good	1.218 \| good	21.551 \| good	0.222 \| good
2025-10-24T05:00:00.000Z	22 \| good	4.153 \| good	20.572 \| good	9.211 \| good	1.035 \| good	16.352 \| good	0.248 \| good
2025-10-24T06:00:00.000Z	27 \| good	4.761 \| good	21.173 \| good	5.09 \| good	1.047 \| good	15.253 \| good	0.261 \| good
2025-10-24T07:00:00.000Z	27 \| good	4.637 \| good	14.427 \| good	4.254 \| good	1.248 \| good	12.876 \| good	0.274 \| good
2025-10-24T08:00:00.000Z	27 \| good	4.702 \| good	16.057 \| good	4.06 \| good	1.219 \| good	9.102 \| good	0.271 \| good
2025-10-24T09:00:00.000Z	26 \| good	4.192 \| good	28.071 \| good	5.988 \| good	0.927 \| good	9.352 \| good	0.247 \| good
2025-10-24T10:00:00.000Z	22 \| good	4.156 \| good	16.047 \| good	4.808 \| good	1.118 \| good	16.195 \| good	0.31 \| good
2025-10-24T11:00:00.000Z	22 \| good	4.02 \| good	24.165 \| good	3.9 \| good	1.24 \| good	15.293 \| good	0.234 \| good
2025-10-24T12:00:00.000Z	22 \| good	4.169 \| good	20.979 \| good	3.9 \| good	1.044 \| good	14.587 \| good	0.28 \| good
2025-10-24T12:00:00.000Z	22 \| good	4.169 \| good	20.979 \| good	3.9 \| good	1.044 \| good	14.587 \| good	0.28 \| good
2025-10-23T02:00:00.000Z	19 \| good	0.596 \| good	2.054 \| good	21.425 \| good	0.489 \| good	5.004 \| good	0.143 \| good
2025-10-23T03:00:00.000Z	18 \| good	0.629 \| good	2.531 \| good	19.185 \| good	0.491 \| good	4.771 \| good	0.14 \| good
2025-10-23T04:00:00.000Z	18 \| good	0.416 \| good	1.563 \| good	19.23 \| good	0.494 \| good	4.515 \| good	0.139 \| good
2025-10-23T05:00:00.000Z	17 \| good	0.448 \| good	1.555 \| good	17.692 \| good	0.497 \| good	4.259 \| good	0.138 \| good
2025-10-23T06:00:00.000Z	18 \| good	0.524 \| good	1.975 \| good	18.62 \| good	0.5 \| good	4.003 \| good	0.138 \| good
2025-10-23T07:00:00.000Z	17 \| good	0.484 \| good	1.616 \| good	18.1 \| good	0.527 \| good	3.997 \| good	0.136 \| good
2025-10-23T08:00:00.000Z	15 \| good	0.73 \| good	2.939 \| good	15.725 \| good	0.555 \| good	3.99 \| good	0.135 \| good
2025-10-23T09:00:00.000Z	12 \| good	0.72 \| good	2.939 \| good	13.147 \| good	0.582 \| good	3.984 \| good	0.134 \| good
2025-10-23T10:00:00.000Z	11 \| good	0.177 \| good	0.216 \| good	12.243 \| good	0.635 \| good	4.743 \| good	0.138 \| good
2025-10-23T11:00:00.000Z	8 \| good	0.588 \| good	2.253 \| good	8.946 \| good	0.688 \| good	5.501 \| good	0.142 \| good
2025-10-23T12:00:00.000Z	7 \| good	1.29 \| good	5.035 \| good	8.326 \| good	0.74 \| good	6.26 \| good	0.146 \| good
2025-10-23T13:00:00.000Z	9 \| good	0.884 \| good	3.285 \| good	9.978 \| good	0.775 \| good	5.518 \| good	0.148 \| good
2025-10-23T14:00:00.000Z	14 \| good	1.795 \| good	7.391 \| good	15.178 \| good	0.809 \| good	4.775 \| good	0.15 \| good
2025-10-23T15:00:00.000Z	19 \| good	1.774 \| good	7.461 \| good	20.88 \| good	0.844 \| good	4.033 \| good	0.152 \| good
2025-10-23T16:00:00.000Z	21 \| good	1.531 \| good	6.376 \| good	22.933 \| good	0.721 \| good	3.357 \| good	0.142 \| good
2025-10-23T17:00:00.000Z	23 \| good	1.124 \| good	4.461 \| good	24.654 \| good	0.598 \| good	2.681 \| good	0.132 \| good
2025-10-23T18:00:00.000Z	25 \| good	0.822 \| good	3.135 \| good	27.375 \| good	0.475 \| good	2.005 \| good	0.123 \| good
2025-10-23T19:00:00.000Z	25 \| good	1.101 \| good	4.407 \| good	27.173 \| good	0.467 \| good	2.073 \| good	0.123 \| good
2025-10-23T20:00:00.000Z	26 \| good	1.494 \| good	5.922 \| good	28.482 \| good	0.458 \| good	2.14 \| good	0.122 \| good
2025-10-23T21:00:00.000Z	26 \| good	0.805 \| good	3.032 \| good	28.169 \| good	0.45 \| good	2.207 \| good	0.122 \| good
2025-10-23T22:00:00.000Z	22 \| good	2.229 \| good	9.376 \| good	23.612 \| good	0.552 \| good	5.027 \| good	0.141 \| good
2025-10-23T23:00:00.000Z	27 \| good	5.005 \| good	21.71 \| good	15.949 \| good	0.654 \| good	7.846 \| good	0.159 \| good
2025-10-24T00:00:00.000Z	22 \| good	4.392 \| good	19.151 \| good	12.183 \| good	0.757 \| good	10.666 \| good	0.178 \| good
2025-10-24T01:00:00.000Z	10 \| good	1.463 \| good	5.898 \| good	8.413 \| good	0.817 \| good	11.436 \| good	0.181 \| good
2025-10-24T02:00:00.000Z	11 \| good	1.093 \| good	4.323 \| good	5.878 \| good	0.876 \| good	12.206 \| good	0.184 \| good
2025-10-24T03:00:00.000Z	12 \| good	1.076 \| good	4.339 \| good	5.208 \| good	0.936 \| good	12.976 \| good	0.188 \| good
2025-10-24T04:00:00.000Z	12 \| good	1.027 \| good	4.294 \| good	6.117 \| good	0.92 \| good	12.649 \| good	0.187 \| good
2025-10-24T05:00:00.000Z	11 \| good	1.249 \| good	4.918 \| good	7.69 \| good	0.904 \| good	12.323 \| good	0.187 \| good
2025-10-24T06:00:00.000Z	11 \| good	1.343 \| good	5.449 \| good	7.183 \| good	0.887 \| good	11.996 \| good	0.186 \| good
2025-10-24T07:00:00.000Z	16 \| good	2.521 \| good	10.421 \| good	6.083 \| good	0.882 \| good	11.492 \| good	0.182 \| good
2025-10-24T08:00:00.000Z	16 \| good	2.931 \| good	12.392 \| good	3.942 \| good	0.876 \| good	10.988 \| good	0.178 \| good
2025-10-24T09:00:00.000Z	16 \| good	3.264 \| good	13.976 \| good	3.326 \| good	0.87 \| good	10.485 \| good	0.174 \| good
2025-10-24T10:00:00.000Z	16 \| good	2.79 \| good	11.327 \| good	2.739 \| good	0.936 \| good	11.878 \| good	0.182 \| good
2025-10-24T11:00:00.000Z	33 \| good	5.616 \| good	24.563 \| good	1.347 \| good	1.001 \| good	13.271 \| good	0.19 \| good
2025-10-24T12:00:00.000Z	44 \| good	7.988 \| good	35.104 \| good	0.527 \| good	1.067 \| good	14.664 \| good	0.198 \| good
2025-10-24T13:00:00.000Z	38 \| good	7.398 \| good	32.533 \| good	2.662 \| good	1.272 \| good	13.027 \| good	0.209 \| good
2025-10-24T14:00:00.000Z	33 \| good	5.836 \| good	25.513 \| good	7.987 \| good	1.478 \| good	11.39 \| good	0.22 \| good
2025-10-24T15:00:00.000Z	27 \| good	5.454 \| good	23.298 \| good	14.431 \| good	1.684 \| good	9.753 \| good	0.23 \| good
2025-10-24T16:00:00.000Z	33 \| good	5.581 \| good	23.858 \| good	21.077 \| good	1.539 \| good	7.517 \| good	0.201 \| good
2025-10-24T17:00:00.000Z	27 \| good	5.219 \| good	22.722 \| good	25.456 \| good	1.394 \| good	5.281 \| good	0.172 \| good
2025-10-24T18:00:00.000Z	27 \| good	4.841 \| good	21.147 \| good	28.904 \| good	1.25 \| good	3.045 \| good	0.143 \| good
2025-10-24T19:00:00.000Z	28 \| good	5.007 \| good	21.771 \| good	30.34 \| good	1.348 \| good	3.44 \| good	0.146 \| good
2025-10-24T20:00:00.000Z	33 \| good	5.592 \| good	24.203 \| good	29.433 \| good	1.447 \| good	3.835 \| good	0.148 \| good
2025-10-24T21:00:00.000Z	38 \| good	6.553 \| good	29.347 \| good	29.998 \| good	1.546 \| good	4.23 \| good	0.15 \| good
2025-10-24T22:00:00.000Z	49 \| good	8.612 \| good	37.987 \| good	22.803 \| good	1.868 \| good	12.763 \| good	0.224 \| good
2025-10-24T23:00:00.000Z	54 \| moderate	11.105 \| good	49.204 \| good	14.743 \| good	2.191 \| good	21.295 \| good	0.299 \| good
2025-10-25T00:00:00.000Z	73 \| moderate	20.628 \| fine	20.923 \| good	6.833 \| good	2.53 \| good	29.743 \| good	0.372 \| good
2025-10-25T01:00:00.000Z	60 \| moderate	14.084 \| fine	62.682 \| fine	8.079 \| good	2.759 \| good	30.385 \| good	0.356 \| good

West Chicago, Illinois live air quality index now

Major air pollutants in West Chicago, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live West Chicago, Illinois air quality forecast and history

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West Chicago, Illinois air quality map: Track AQI near you

Air quality in nearby cities

Winfield, Illinois

Carol Stream, Illinois

Warrenville, Illinois

Wheaton, Illinois

St. Charles, Illinois

Batavia, Illinois

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Frequently asked questions

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What is the current concentration of PM2.5 in West Chicago, Illinois?

What is the current concentration of PM10 in West Chicago, Illinois?

What is the current concentration of carbon monoxide (CO) in West Chicago, Illinois?

What is the current concentration of sulfur dioxide (SO2) in West Chicago, Illinois?

What is the current concentration of ozone (O3) in West Chicago, Illinois?

What is the current concentration of nitrogen dioxide (NO2) in West Chicago, Illinois?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the current concentration of PM_2.5 in West Chicago, Illinois?

What is the current concentration of PM₁₀ in West Chicago, Illinois?

What is the current concentration of sulfur dioxide (SO₂) in West Chicago, Illinois?

What is the current concentration of ozone (O₃) in West Chicago, Illinois?

What is the current concentration of nitrogen dioxide (NO₂) in West Chicago, Illinois?