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

The current PM10 concentration at West Chicago, Illinois is 46.372 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 0.525 ppb.

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

The current ozone (O3) concentration at West Chicago, Illinois is 44.138 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 5.446 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 10.628 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)

Moderate

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)

10.63 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

46.37 μg/m³

155

255

425

605+

Ozone (O₃)

44.14 ppb

201

201+

Sulfur Dioxide (SO₂)

0.53 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.45 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.16 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

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
2026-04-22T08:00:00.000Z	44 \| good	7.934 \| good	35.057 \| good	11.581 \| good	0.654 \| good	10.787 \| good	0.217 \| good
2026-04-22T09:00:00.000Z	38 \| good	7.266 \| good	31.965 \| good	11.707 \| good	0.597 \| good	13.058 \| good	0.236 \| good
2026-04-22T10:00:00.000Z	38 \| good	6.518 \| good	28.699 \| good	13.221 \| good	0.656 \| good	12.737 \| good	0.248 \| good
2026-04-22T11:00:00.000Z	38 \| good	6.534 \| good	29.561 \| good	18.29 \| good	0.541 \| good	14.578 \| good	0.258 \| good
2026-04-22T12:00:00.000Z	33 \| good	5.727 \| good	24.988 \| good	16.358 \| good	0.514 \| good	14.529 \| good	0.271 \| good
2026-04-22T13:00:00.000Z	33 \| good	5.627 \| good	24.542 \| good	19.894 \| good	0.495 \| good	13.873 \| good	0.258 \| good
2026-04-22T14:00:00.000Z	27 \| good	5.286 \| good	23.221 \| good	24.515 \| good	0.403 \| good	9.408 \| good	0.257 \| good
2026-04-22T15:00:00.000Z	33 \| good	5.845 \| good	24.818 \| good	27.622 \| good	0.462 \| good	6.956 \| good	0.19 \| good
2026-04-22T16:00:00.000Z	38 \| good	6.826 \| good	30.225 \| good	28.877 \| good	0.506 \| good	7.259 \| good	0.159 \| good
2026-04-22T17:00:00.000Z	49 \| good	8.761 \| good	39.194 \| good	28.467 \| good	0.415 \| good	6.667 \| good	0.194 \| good
2026-04-22T18:00:00.000Z	54 \| moderate	10.537 \| good	47.059 \| good	37.56 \| good	0.421 \| good	5.217 \| good	0.211 \| good
2026-04-22T19:00:00.000Z	54 \| moderate	11.278 \| good	49.962 \| good	43.872 \| good	0.542 \| good	5.833 \| good	0.211 \| good
2026-04-22T20:00:00.000Z	56 \| moderate	11.692 \| good	52.584 \| good	47.816 \| good	0.726 \| good	4.109 \| good	0.19 \| good
2026-04-22T21:00:00.000Z	56 \| moderate	12.313 \| fine	54.643 \| good	47.033 \| good	0.906 \| good	3.844 \| good	0.202 \| good
2026-04-22T22:00:00.000Z	58 \| moderate	12.958 \| fine	58.396 \| fine	52.879 \| good	0.561 \| good	3.568 \| good	0.202 \| good
2026-04-22T23:00:00.000Z	60 \| moderate	13.914 \| fine	63.191 \| fine	52.614 \| good	0.663 \| good	4.507 \| good	0.202 \| good
2026-04-23T00:00:00.000Z	60 \| moderate	13.844 \| fine	60.761 \| fine	54.754 \| good	0.51 \| good	7.653 \| good	0.171 \| good
2026-04-23T01:00:00.000Z	58 \| moderate	12.987 \| fine	57.023 \| fine	52.032 \| good	1.268 \| good	15.033 \| good	0.223 \| good
2026-04-23T02:00:00.000Z	58 \| moderate	12.635 \| fine	55.619 \| fine	48.539 \| good	1.172 \| good	22.146 \| good	0.208 \| good
2026-04-23T03:00:00.000Z	56 \| moderate	11.859 \| good	53.659 \| good	44.267 \| good	0.79 \| good	11.3 \| good	0.201 \| good
2026-04-23T04:00:00.000Z	52 \| moderate	10.105 \| good	44.922 \| good	46.537 \| good	0.763 \| good	16.557 \| good	0.228 \| good
2026-04-23T05:00:00.000Z	49 \| good	9.443 \| good	42.286 \| good	41.581 \| good	0.528 \| good	12.756 \| good	0.183 \| good
2026-04-23T06:00:00.000Z	49 \| good	9.399 \| good	42.688 \| good	36.61 \| good	0.548 \| good	9.443 \| good	0.213 \| good
2026-04-23T07:00:00.000Z	49 \| good	9.372 \| good	41.663 \| good	33.182 \| good	0.895 \| good	10.987 \| good	0.169 \| good
2026-04-23T08:00:00.000Z	52 \| moderate	10.203 \| good	45.57 \| good	29.985 \| good	1.114 \| good	17.537 \| good	0.169 \| good
2026-04-23T09:00:00.000Z	60 \| moderate	14.013 \| fine	62.362 \| fine	24.081 \| good	1.367 \| good	19.395 \| good	0.169 \| good
2026-04-23T10:00:00.000Z	64 \| moderate	15.868 \| fine	67.097 \| fine	20.873 \| good	1.391 \| good	18.655 \| good	0.187 \| good
2026-04-23T11:00:00.000Z	66 \| moderate	16.86 \| fine	70.137 \| fine	13.506 \| good	1.042 \| good	19.833 \| good	0.24 \| good
2026-04-23T12:00:00.000Z	75 \| moderate	21.683 \| fine	91.475 \| fine	15.828 \| good	0.83 \| good	20.869 \| good	0.284 \| good
2026-04-23T13:00:00.000Z	75 \| moderate	21.88 \| fine	93.703 \| fine	13.308 \| good	0.756 \| good	18.952 \| good	0.271 \| good
2026-04-23T14:00:00.000Z	69 \| moderate	19.312 \| fine	85.389 \| fine	17.517 \| good	0.738 \| good	13.759 \| good	0.255 \| good
2026-04-23T15:00:00.000Z	56 \| moderate	11.756 \| good	52.45 \| good	19.641 \| good	0.708 \| good	8.829 \| good	0.224 \| good
2026-04-23T16:00:00.000Z	44 \| good	7.933 \| good	34 \| good	24.8 \| good	0.71 \| good	6.195 \| good	0.193 \| good
2026-04-23T17:00:00.000Z	44 \| good	7.698 \| good	34.1 \| good	34.351 \| good	0.71 \| good	3.168 \| good	0.223 \| good
2026-04-23T18:00:00.000Z	34 \| good	6.329 \| good	28.59 \| good	36.99 \| good	0.618 \| good	1.139 \| good	0.156 \| good
2026-04-23T19:00:00.000Z	38 \| good	6.207 \| good	28.038 \| good	41.477 \| good	0.569 \| good	0.967 \| good	0.165 \| good
2026-04-23T20:00:00.000Z	40 \| good	6.247 \| good	28.144 \| good	43.102 \| good	0.842 \| good	4.16 \| good	0.159 \| good
2026-04-23T21:00:00.000Z	43 \| good	6.235 \| good	27.841 \| good	45.889 \| good	1.524 \| good	2.87 \| good	0.159 \| good
2026-04-23T22:00:00.000Z	46 \| good	7.307 \| good	32.032 \| good	49.935 \| good	0.634 \| good	2.319 \| good	0.16 \| good
2026-04-23T23:00:00.000Z	52 \| moderate	9.871 \| good	43.751 \| good	49.689 \| good	0.624 \| good	3.083 \| good	0.145 \| good
2026-04-24T00:00:00.000Z	52 \| moderate	10.053 \| good	44.469 \| good	51.411 \| good	0.629 \| good	4.201 \| good	0.16 \| good
2026-04-24T01:00:00.000Z	52 \| moderate	10.261 \| good	45.232 \| good	51.043 \| good	0.647 \| good	5.171 \| good	0.173 \| good
2026-04-24T02:00:00.000Z	52 \| moderate	9.946 \| good	44.366 \| good	49.883 \| good	0.653 \| good	10.82 \| good	0.229 \| good
2026-04-24T03:00:00.000Z	34 \| good	5.683 \| good	24.583 \| good	36.636 \| good	0.686 \| good	4.671 \| good	0.17 \| good
2026-04-24T04:00:00.000Z	52 \| moderate	10.029 \| good	44.582 \| good	44.554 \| good	0.618 \| good	7.372 \| good	0.156 \| good
2026-04-24T05:00:00.000Z	52 \| moderate	10.172 \| good	45.025 \| good	42.39 \| good	0.631 \| good	4.638 \| good	0.156 \| good
2026-04-24T06:00:00.000Z	52 \| moderate	10.156 \| good	45.045 \| good	43.823 \| good	0.526 \| good	4.504 \| good	0.156 \| good
2026-04-24T07:00:00.000Z	54 \| moderate	10.628 \| good	46.372 \| good	44.138 \| good	0.525 \| good	5.446 \| good	0.157 \| good
2026-04-24T08:00:00.000Z	38 \| good	3.415 \| good	14.965 \| good	41.054 \| good	0.588 \| good	2.58 \| good	0.15 \| good
2026-04-24T09:00:00.000Z	38 \| good	2.195 \| good	9.017 \| good	41.275 \| good	0.61 \| good	2.567 \| good	0.147 \| good
2026-04-24T10:00:00.000Z	33 \| good	1.294 \| good	4.972 \| good	36.405 \| good	0.643 \| good	2.872 \| good	0.147 \| good
2026-04-24T11:00:00.000Z	28 \| good	1.907 \| good	7.815 \| good	30.402 \| good	0.676 \| good	3.177 \| good	0.147 \| good
2026-04-24T12:00:00.000Z	25 \| good	1.572 \| good	6.683 \| good	27.396 \| good	0.709 \| good	3.482 \| good	0.147 \| good
2026-04-24T13:00:00.000Z	29 \| good	2.879 \| good	11.954 \| good	31.489 \| good	0.679 \| good	3.388 \| good	0.147 \| good
2026-04-24T14:00:00.000Z	36 \| good	3.482 \| good	15.245 \| good	38.505 \| good	0.649 \| good	3.293 \| good	0.146 \| good
2026-04-24T15:00:00.000Z	38 \| good	5.874 \| good	26.327 \| good	41.292 \| good	0.619 \| good	3.199 \| good	0.146 \| good
2026-04-24T16:00:00.000Z	44 \| good	7.994 \| good	34.864 \| good	43.394 \| good	0.525 \| good	2.657 \| good	0.144 \| good
2026-04-24T17:00:00.000Z	52 \| moderate	9.85 \| good	43.843 \| good	41.942 \| good	0.431 \| good	2.115 \| good	0.142 \| good
2026-04-24T18:00:00.000Z	54 \| moderate	11.091 \| good	48.671 \| good	40.453 \| good	0.338 \| good	1.573 \| good	0.14 \| good
2026-04-24T19:00:00.000Z	39 \| good	6.743 \| good	30.009 \| good	42.093 \| good	0.341 \| good	1.67 \| good	0.142 \| good
2026-04-24T20:00:00.000Z	41 \| good	5.13 \| good	22.221 \| good	43.997 \| good	0.344 \| good	1.768 \| good	0.144 \| good
2026-04-24T21:00:00.000Z	41 \| good	5.409 \| good	23.129 \| good	44.033 \| good	0.347 \| good	1.866 \| good	0.146 \| good
2026-04-24T22:00:00.000Z	38 \| good	6.878 \| good	30.241 \| good	40.48 \| good	0.37 \| good	2.924 \| good	0.156 \| good
2026-04-24T23:00:00.000Z	38 \| good	7.344 \| good	32.137 \| good	39.201 \| good	0.393 \| good	3.981 \| good	0.167 \| good
2026-04-25T00:00:00.000Z	35 \| good	4.741 \| good	20.929 \| good	37.562 \| good	0.416 \| good	5.039 \| good	0.177 \| good
2026-04-25T01:00:00.000Z	33 \| good	5.648 \| good	24.564 \| good	31.513 \| good	0.446 \| good	5.324 \| good	0.178 \| good
2026-04-25T02:00:00.000Z	33 \| good	5.813 \| good	25.228 \| good	29.074 \| good	0.475 \| good	5.61 \| good	0.178 \| good
2026-04-25T03:00:00.000Z	33 \| good	5.759 \| good	25.259 \| good	27.169 \| good	0.505 \| good	5.896 \| good	0.179 \| good
2026-04-25T04:00:00.000Z	33 \| good	5.794 \| good	25.113 \| good	23.954 \| good	0.532 \| good	5.649 \| good	0.176 \| good
2026-04-25T05:00:00.000Z	38 \| good	7.469 \| good	32.969 \| good	22.273 \| good	0.559 \| good	5.402 \| good	0.174 \| good
2026-04-25T06:00:00.000Z	33 \| good	6.29 \| good	27.903 \| good	20.31 \| good	0.587 \| good	5.154 \| good	0.171 \| good
2026-04-25T07:00:00.000Z	44 \| good	7.707 \| good	34.04 \| good	15.859 \| good	0.631 \| good	4.876 \| good	0.17 \| good
2026-04-25T08:00:00.000Z	44 \| good	7.926 \| good	34.632 \| good	11.209 \| good	0.675 \| good	4.598 \| good	0.17 \| good
2026-04-25T09:00:00.000Z	44 \| good	7.708 \| good	33.98 \| good	11.866 \| good	0.719 \| good	4.319 \| good	0.169 \| good
2026-04-25T10:00:00.000Z	27 \| good	4.638 \| good	20.147 \| good	16.888 \| good	0.671 \| good	3.942 \| good	0.169 \| good
2026-04-25T11:00:00.000Z	23 \| good	3.131 \| good	13.341 \| good	24.762 \| good	0.623 \| good	3.564 \| good	0.169 \| good
2026-04-25T12:00:00.000Z	29 \| good	1.977 \| good	7.842 \| good	30.56 \| good	0.575 \| good	3.187 \| good	0.168 \| good
2026-04-25T13:00:00.000Z	31 \| good	2.243 \| good	8.999 \| good	33.8 \| good	0.724 \| good	3.367 \| good	0.171 \| good
2026-04-25T14:00:00.000Z	34 \| good	1.733 \| good	7.119 \| good	36.861 \| good	0.872 \| good	3.547 \| good	0.174 \| good
2026-04-25T15:00:00.000Z	36 \| good	1.234 \| good	4.941 \| good	39.128 \| good	1.021 \| good	3.727 \| good	0.177 \| good
2026-04-25T16:00:00.000Z	38 \| good	1.589 \| good	6.61 \| good	40.918 \| good	1.022 \| good	3.335 \| good	0.174 \| good
2026-04-25T17:00:00.000Z	39 \| good	2.404 \| good	10 \| good	42.2 \| good	1.022 \| good	2.943 \| good	0.17 \| good
2026-04-25T18:00:00.000Z	41 \| good	3.464 \| good	15.122 \| good	43.884 \| good	1.023 \| good	2.55 \| good	0.167 \| good
2026-04-25T19:00:00.000Z	43 \| good	3.614 \| good	15.81 \| good	46.016 \| good	1.031 \| good	2.547 \| good	0.166 \| good
2026-04-25T20:00:00.000Z	43 \| good	2.919 \| good	11.838 \| good	46.436 \| good	1.039 \| good	2.543 \| good	0.165 \| good
2026-04-25T21:00:00.000Z	42 \| good	3.815 \| good	16.711 \| good	45.27 \| good	1.047 \| good	2.539 \| good	0.164 \| good
2026-04-25T22:00:00.000Z	40 \| good	4.808 \| good	20.924 \| good	43.21 \| good	1.093 \| good	3.613 \| good	0.17 \| good
2026-04-25T23:00:00.000Z	38 \| good	4.239 \| good	18.813 \| good	41.003 \| good	1.139 \| good	4.687 \| good	0.175 \| good
2026-04-26T00:00:00.000Z	39 \| good	2.412 \| good	9.874 \| good	41.945 \| good	1.185 \| good	5.762 \| good	0.181 \| good
2026-04-26T01:00:00.000Z	31 \| good	2.071 \| good	8.211 \| good	34.357 \| good	1.145 \| good	6.263 \| good	0.18 \| good
2026-04-26T02:00:00.000Z	31 \| good	1.876 \| good	7.926 \| good	32.805 \| good	1.105 \| good	6.765 \| good	0.18 \| good
2026-04-26T03:00:00.000Z	29 \| good	1.143 \| good	4.926 \| good	31.069 \| good	1.064 \| good	7.267 \| good	0.179 \| good
2026-04-26T04:00:00.000Z	26 \| good	1.185 \| good	4.788 \| good	27.749 \| good	1.004 \| good	6.988 \| good	0.176 \| good
2026-04-26T05:00:00.000Z	23 \| good	3.968 \| good	17.543 \| good	25.496 \| good	0.944 \| good	6.71 \| good	0.172 \| good
2026-04-26T06:00:00.000Z	33 \| good	6.348 \| good	6.791 \| good	35.886 \| good	0.891 \| good	6.447 \| good	0.168 \| good
2026-04-26T07:00:00.000Z	49 \| good	8.629 \| good	37.924 \| good	22.27 \| good	0.907 \| good	6.219 \| good	0.166 \| good

West Chicago

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

0.16ppm

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 01:00:00 on 2026-04-23.

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 03:00:00 on 2026-04-24.

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

The current air quality in West Chicago, Illinois is 54, categorized as Moderate based on real-time data.

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

The most common pollutant in West Chicago, Illinois is PM2.5.

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 10.628 μg/m³.

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

The current PM₁₀ concentration at West Chicago, Illinois is 46.372 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 0.157 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 0.525 ppb.

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

The current ozone (O₃) concentration at West Chicago, Illinois is 44.138 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 5.446 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-22T08:00:00.000Z	44 \| good	7.934 \| good	35.057 \| good	11.581 \| good	0.654 \| good	10.787 \| good	0.217 \| good
2026-04-22T09:00:00.000Z	38 \| good	7.266 \| good	31.965 \| good	11.707 \| good	0.597 \| good	13.058 \| good	0.236 \| good
2026-04-22T10:00:00.000Z	38 \| good	6.518 \| good	28.699 \| good	13.221 \| good	0.656 \| good	12.737 \| good	0.248 \| good
2026-04-22T11:00:00.000Z	38 \| good	6.534 \| good	29.561 \| good	18.29 \| good	0.541 \| good	14.578 \| good	0.258 \| good
2026-04-22T12:00:00.000Z	33 \| good	5.727 \| good	24.988 \| good	16.358 \| good	0.514 \| good	14.529 \| good	0.271 \| good
2026-04-22T13:00:00.000Z	33 \| good	5.627 \| good	24.542 \| good	19.894 \| good	0.495 \| good	13.873 \| good	0.258 \| good
2026-04-22T14:00:00.000Z	27 \| good	5.286 \| good	23.221 \| good	24.515 \| good	0.403 \| good	9.408 \| good	0.257 \| good
2026-04-22T15:00:00.000Z	33 \| good	5.845 \| good	24.818 \| good	27.622 \| good	0.462 \| good	6.956 \| good	0.19 \| good
2026-04-22T16:00:00.000Z	38 \| good	6.826 \| good	30.225 \| good	28.877 \| good	0.506 \| good	7.259 \| good	0.159 \| good
2026-04-22T17:00:00.000Z	49 \| good	8.761 \| good	39.194 \| good	28.467 \| good	0.415 \| good	6.667 \| good	0.194 \| good
2026-04-22T18:00:00.000Z	54 \| moderate	10.537 \| good	47.059 \| good	37.56 \| good	0.421 \| good	5.217 \| good	0.211 \| good
2026-04-22T19:00:00.000Z	54 \| moderate	11.278 \| good	49.962 \| good	43.872 \| good	0.542 \| good	5.833 \| good	0.211 \| good
2026-04-22T20:00:00.000Z	56 \| moderate	11.692 \| good	52.584 \| good	47.816 \| good	0.726 \| good	4.109 \| good	0.19 \| good
2026-04-22T21:00:00.000Z	56 \| moderate	12.313 \| fine	54.643 \| good	47.033 \| good	0.906 \| good	3.844 \| good	0.202 \| good
2026-04-22T22:00:00.000Z	58 \| moderate	12.958 \| fine	58.396 \| fine	52.879 \| good	0.561 \| good	3.568 \| good	0.202 \| good
2026-04-22T23:00:00.000Z	60 \| moderate	13.914 \| fine	63.191 \| fine	52.614 \| good	0.663 \| good	4.507 \| good	0.202 \| good
2026-04-23T00:00:00.000Z	60 \| moderate	13.844 \| fine	60.761 \| fine	54.754 \| good	0.51 \| good	7.653 \| good	0.171 \| good
2026-04-23T01:00:00.000Z	58 \| moderate	12.987 \| fine	57.023 \| fine	52.032 \| good	1.268 \| good	15.033 \| good	0.223 \| good
2026-04-23T02:00:00.000Z	58 \| moderate	12.635 \| fine	55.619 \| fine	48.539 \| good	1.172 \| good	22.146 \| good	0.208 \| good
2026-04-23T03:00:00.000Z	56 \| moderate	11.859 \| good	53.659 \| good	44.267 \| good	0.79 \| good	11.3 \| good	0.201 \| good
2026-04-23T04:00:00.000Z	52 \| moderate	10.105 \| good	44.922 \| good	46.537 \| good	0.763 \| good	16.557 \| good	0.228 \| good
2026-04-23T05:00:00.000Z	49 \| good	9.443 \| good	42.286 \| good	41.581 \| good	0.528 \| good	12.756 \| good	0.183 \| good
2026-04-23T06:00:00.000Z	49 \| good	9.399 \| good	42.688 \| good	36.61 \| good	0.548 \| good	9.443 \| good	0.213 \| good
2026-04-23T07:00:00.000Z	49 \| good	9.372 \| good	41.663 \| good	33.182 \| good	0.895 \| good	10.987 \| good	0.169 \| good
2026-04-23T08:00:00.000Z	52 \| moderate	10.203 \| good	45.57 \| good	29.985 \| good	1.114 \| good	17.537 \| good	0.169 \| good
2026-04-23T09:00:00.000Z	60 \| moderate	14.013 \| fine	62.362 \| fine	24.081 \| good	1.367 \| good	19.395 \| good	0.169 \| good
2026-04-23T10:00:00.000Z	64 \| moderate	15.868 \| fine	67.097 \| fine	20.873 \| good	1.391 \| good	18.655 \| good	0.187 \| good
2026-04-23T11:00:00.000Z	66 \| moderate	16.86 \| fine	70.137 \| fine	13.506 \| good	1.042 \| good	19.833 \| good	0.24 \| good
2026-04-23T12:00:00.000Z	75 \| moderate	21.683 \| fine	91.475 \| fine	15.828 \| good	0.83 \| good	20.869 \| good	0.284 \| good
2026-04-23T13:00:00.000Z	75 \| moderate	21.88 \| fine	93.703 \| fine	13.308 \| good	0.756 \| good	18.952 \| good	0.271 \| good
2026-04-23T14:00:00.000Z	69 \| moderate	19.312 \| fine	85.389 \| fine	17.517 \| good	0.738 \| good	13.759 \| good	0.255 \| good
2026-04-23T15:00:00.000Z	56 \| moderate	11.756 \| good	52.45 \| good	19.641 \| good	0.708 \| good	8.829 \| good	0.224 \| good
2026-04-23T16:00:00.000Z	44 \| good	7.933 \| good	34 \| good	24.8 \| good	0.71 \| good	6.195 \| good	0.193 \| good
2026-04-23T17:00:00.000Z	44 \| good	7.698 \| good	34.1 \| good	34.351 \| good	0.71 \| good	3.168 \| good	0.223 \| good
2026-04-23T18:00:00.000Z	34 \| good	6.329 \| good	28.59 \| good	36.99 \| good	0.618 \| good	1.139 \| good	0.156 \| good
2026-04-23T19:00:00.000Z	38 \| good	6.207 \| good	28.038 \| good	41.477 \| good	0.569 \| good	0.967 \| good	0.165 \| good
2026-04-23T20:00:00.000Z	40 \| good	6.247 \| good	28.144 \| good	43.102 \| good	0.842 \| good	4.16 \| good	0.159 \| good
2026-04-23T21:00:00.000Z	43 \| good	6.235 \| good	27.841 \| good	45.889 \| good	1.524 \| good	2.87 \| good	0.159 \| good
2026-04-23T22:00:00.000Z	46 \| good	7.307 \| good	32.032 \| good	49.935 \| good	0.634 \| good	2.319 \| good	0.16 \| good
2026-04-23T23:00:00.000Z	52 \| moderate	9.871 \| good	43.751 \| good	49.689 \| good	0.624 \| good	3.083 \| good	0.145 \| good
2026-04-24T00:00:00.000Z	52 \| moderate	10.053 \| good	44.469 \| good	51.411 \| good	0.629 \| good	4.201 \| good	0.16 \| good
2026-04-24T01:00:00.000Z	52 \| moderate	10.261 \| good	45.232 \| good	51.043 \| good	0.647 \| good	5.171 \| good	0.173 \| good
2026-04-24T02:00:00.000Z	52 \| moderate	9.946 \| good	44.366 \| good	49.883 \| good	0.653 \| good	10.82 \| good	0.229 \| good
2026-04-24T03:00:00.000Z	34 \| good	5.683 \| good	24.583 \| good	36.636 \| good	0.686 \| good	4.671 \| good	0.17 \| good
2026-04-24T04:00:00.000Z	52 \| moderate	10.029 \| good	44.582 \| good	44.554 \| good	0.618 \| good	7.372 \| good	0.156 \| good
2026-04-24T05:00:00.000Z	52 \| moderate	10.172 \| good	45.025 \| good	42.39 \| good	0.631 \| good	4.638 \| good	0.156 \| good
2026-04-24T06:00:00.000Z	52 \| moderate	10.156 \| good	45.045 \| good	43.823 \| good	0.526 \| good	4.504 \| good	0.156 \| good
2026-04-24T07:00:00.000Z	54 \| moderate	10.628 \| good	46.372 \| good	44.138 \| good	0.525 \| good	5.446 \| good	0.157 \| good
2026-04-24T08:00:00.000Z	38 \| good	3.415 \| good	14.965 \| good	41.054 \| good	0.588 \| good	2.58 \| good	0.15 \| good
2026-04-24T09:00:00.000Z	38 \| good	2.195 \| good	9.017 \| good	41.275 \| good	0.61 \| good	2.567 \| good	0.147 \| good
2026-04-24T10:00:00.000Z	33 \| good	1.294 \| good	4.972 \| good	36.405 \| good	0.643 \| good	2.872 \| good	0.147 \| good
2026-04-24T11:00:00.000Z	28 \| good	1.907 \| good	7.815 \| good	30.402 \| good	0.676 \| good	3.177 \| good	0.147 \| good
2026-04-24T12:00:00.000Z	25 \| good	1.572 \| good	6.683 \| good	27.396 \| good	0.709 \| good	3.482 \| good	0.147 \| good
2026-04-24T13:00:00.000Z	29 \| good	2.879 \| good	11.954 \| good	31.489 \| good	0.679 \| good	3.388 \| good	0.147 \| good
2026-04-24T14:00:00.000Z	36 \| good	3.482 \| good	15.245 \| good	38.505 \| good	0.649 \| good	3.293 \| good	0.146 \| good
2026-04-24T15:00:00.000Z	38 \| good	5.874 \| good	26.327 \| good	41.292 \| good	0.619 \| good	3.199 \| good	0.146 \| good
2026-04-24T16:00:00.000Z	44 \| good	7.994 \| good	34.864 \| good	43.394 \| good	0.525 \| good	2.657 \| good	0.144 \| good
2026-04-24T17:00:00.000Z	52 \| moderate	9.85 \| good	43.843 \| good	41.942 \| good	0.431 \| good	2.115 \| good	0.142 \| good
2026-04-24T18:00:00.000Z	54 \| moderate	11.091 \| good	48.671 \| good	40.453 \| good	0.338 \| good	1.573 \| good	0.14 \| good
2026-04-24T19:00:00.000Z	39 \| good	6.743 \| good	30.009 \| good	42.093 \| good	0.341 \| good	1.67 \| good	0.142 \| good
2026-04-24T20:00:00.000Z	41 \| good	5.13 \| good	22.221 \| good	43.997 \| good	0.344 \| good	1.768 \| good	0.144 \| good
2026-04-24T21:00:00.000Z	41 \| good	5.409 \| good	23.129 \| good	44.033 \| good	0.347 \| good	1.866 \| good	0.146 \| good
2026-04-24T22:00:00.000Z	38 \| good	6.878 \| good	30.241 \| good	40.48 \| good	0.37 \| good	2.924 \| good	0.156 \| good
2026-04-24T23:00:00.000Z	38 \| good	7.344 \| good	32.137 \| good	39.201 \| good	0.393 \| good	3.981 \| good	0.167 \| good
2026-04-25T00:00:00.000Z	35 \| good	4.741 \| good	20.929 \| good	37.562 \| good	0.416 \| good	5.039 \| good	0.177 \| good
2026-04-25T01:00:00.000Z	33 \| good	5.648 \| good	24.564 \| good	31.513 \| good	0.446 \| good	5.324 \| good	0.178 \| good
2026-04-25T02:00:00.000Z	33 \| good	5.813 \| good	25.228 \| good	29.074 \| good	0.475 \| good	5.61 \| good	0.178 \| good
2026-04-25T03:00:00.000Z	33 \| good	5.759 \| good	25.259 \| good	27.169 \| good	0.505 \| good	5.896 \| good	0.179 \| good
2026-04-25T04:00:00.000Z	33 \| good	5.794 \| good	25.113 \| good	23.954 \| good	0.532 \| good	5.649 \| good	0.176 \| good
2026-04-25T05:00:00.000Z	38 \| good	7.469 \| good	32.969 \| good	22.273 \| good	0.559 \| good	5.402 \| good	0.174 \| good
2026-04-25T06:00:00.000Z	33 \| good	6.29 \| good	27.903 \| good	20.31 \| good	0.587 \| good	5.154 \| good	0.171 \| good
2026-04-25T07:00:00.000Z	44 \| good	7.707 \| good	34.04 \| good	15.859 \| good	0.631 \| good	4.876 \| good	0.17 \| good
2026-04-25T08:00:00.000Z	44 \| good	7.926 \| good	34.632 \| good	11.209 \| good	0.675 \| good	4.598 \| good	0.17 \| good
2026-04-25T09:00:00.000Z	44 \| good	7.708 \| good	33.98 \| good	11.866 \| good	0.719 \| good	4.319 \| good	0.169 \| good
2026-04-25T10:00:00.000Z	27 \| good	4.638 \| good	20.147 \| good	16.888 \| good	0.671 \| good	3.942 \| good	0.169 \| good
2026-04-25T11:00:00.000Z	23 \| good	3.131 \| good	13.341 \| good	24.762 \| good	0.623 \| good	3.564 \| good	0.169 \| good
2026-04-25T12:00:00.000Z	29 \| good	1.977 \| good	7.842 \| good	30.56 \| good	0.575 \| good	3.187 \| good	0.168 \| good
2026-04-25T13:00:00.000Z	31 \| good	2.243 \| good	8.999 \| good	33.8 \| good	0.724 \| good	3.367 \| good	0.171 \| good
2026-04-25T14:00:00.000Z	34 \| good	1.733 \| good	7.119 \| good	36.861 \| good	0.872 \| good	3.547 \| good	0.174 \| good
2026-04-25T15:00:00.000Z	36 \| good	1.234 \| good	4.941 \| good	39.128 \| good	1.021 \| good	3.727 \| good	0.177 \| good
2026-04-25T16:00:00.000Z	38 \| good	1.589 \| good	6.61 \| good	40.918 \| good	1.022 \| good	3.335 \| good	0.174 \| good
2026-04-25T17:00:00.000Z	39 \| good	2.404 \| good	10 \| good	42.2 \| good	1.022 \| good	2.943 \| good	0.17 \| good
2026-04-25T18:00:00.000Z	41 \| good	3.464 \| good	15.122 \| good	43.884 \| good	1.023 \| good	2.55 \| good	0.167 \| good
2026-04-25T19:00:00.000Z	43 \| good	3.614 \| good	15.81 \| good	46.016 \| good	1.031 \| good	2.547 \| good	0.166 \| good
2026-04-25T20:00:00.000Z	43 \| good	2.919 \| good	11.838 \| good	46.436 \| good	1.039 \| good	2.543 \| good	0.165 \| good
2026-04-25T21:00:00.000Z	42 \| good	3.815 \| good	16.711 \| good	45.27 \| good	1.047 \| good	2.539 \| good	0.164 \| good
2026-04-25T22:00:00.000Z	40 \| good	4.808 \| good	20.924 \| good	43.21 \| good	1.093 \| good	3.613 \| good	0.17 \| good
2026-04-25T23:00:00.000Z	38 \| good	4.239 \| good	18.813 \| good	41.003 \| good	1.139 \| good	4.687 \| good	0.175 \| good
2026-04-26T00:00:00.000Z	39 \| good	2.412 \| good	9.874 \| good	41.945 \| good	1.185 \| good	5.762 \| good	0.181 \| good
2026-04-26T01:00:00.000Z	31 \| good	2.071 \| good	8.211 \| good	34.357 \| good	1.145 \| good	6.263 \| good	0.18 \| good
2026-04-26T02:00:00.000Z	31 \| good	1.876 \| good	7.926 \| good	32.805 \| good	1.105 \| good	6.765 \| good	0.18 \| good
2026-04-26T03:00:00.000Z	29 \| good	1.143 \| good	4.926 \| good	31.069 \| good	1.064 \| good	7.267 \| good	0.179 \| good
2026-04-26T04:00:00.000Z	26 \| good	1.185 \| good	4.788 \| good	27.749 \| good	1.004 \| good	6.988 \| good	0.176 \| good
2026-04-26T05:00:00.000Z	23 \| good	3.968 \| good	17.543 \| good	25.496 \| good	0.944 \| good	6.71 \| good	0.172 \| good
2026-04-26T06:00:00.000Z	33 \| good	6.348 \| good	6.791 \| good	35.886 \| good	0.891 \| good	6.447 \| good	0.168 \| good
2026-04-26T07:00:00.000Z	49 \| good	8.629 \| good	37.924 \| good	22.27 \| good	0.907 \| good	6.219 \| good	0.166 \| 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)

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Air quality in nearby cities

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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?

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