What is the current concentration of PM10 in Winnetka, Illinois?

The current PM10 concentration at Winnetka, Illinois is 21.799 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Winnetka, Illinois is 1.483 ppb.

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

The current ozone (O3) concentration at Winnetka, Illinois is 24.756 ppm.

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

The current nitrogen dioxide (NO2) concentration at Winnetka, Illinois is 9.52 ppb.

Winnetka, Illinois live air quality index now

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

The current PM2.5 concentration at Winnetka, Illinois is 5.899 μg/m3.

Stay updated with real-time air quality in Winnetka, 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

Winnetka, Illinois

Last updated: ... (Local time)

Major air pollutants in Winnetka, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.90 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

21.80 μg/m³

155

255

425

605+

Ozone (O₃)

24.76 ppb

201

201+

Sulfur Dioxide (SO₂)

1.48 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

9.52 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.28 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Winnetka, Illinois

Get Live Pollen Counts

Winnetka, Illinois

Scroll To Air Quality Map

Track live Winnetka, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-22T23:00:00.000Z	31 \| good	3.94 \| good	17.704 \| good	34.286 \| good	0.838 \| good	6.776 \| good	0.19 \| good
2026-01-23T00:00:00.000Z	30 \| good	3.9 \| good	17.457 \| good	32.378 \| good	0.651 \| good	6.429 \| good	0.19 \| good
2026-01-23T01:00:00.000Z	29 \| good	3.946 \| good	17.36 \| good	31.105 \| good	0.75 \| good	8.054 \| good	0.19 \| good
2026-01-23T02:00:00.000Z	30 \| good	3.98 \| good	17.393 \| good	32.381 \| good	0.826 \| good	7.173 \| good	0.152 \| good
2026-01-23T03:00:00.000Z	31 \| good	4.144 \| good	17.672 \| good	32.619 \| good	0.754 \| good	8.907 \| good	0.152 \| good
2026-01-23T04:00:00.000Z	31 \| good	4.074 \| good	17.491 \| good	32.793 \| good	0.74 \| good	5.631 \| good	0.152 \| good
2026-01-23T05:00:00.000Z	31 \| good	3.99 \| good	18.554 \| good	33.528 \| good	0.653 \| good	5.445 \| good	0.138 \| good
2026-01-23T06:00:00.000Z	31 \| good	4.071 \| good	22.915 \| good	33.295 \| good	1.079 \| good	5.22 \| good	0.138 \| good
2026-01-23T07:00:00.000Z	30 \| good	4.071 \| good	22.915 \| good	31.665 \| good	1.239 \| good	5.48 \| good	0.152 \| good
2026-01-23T08:00:00.000Z	30 \| good	4.551 \| good	27.518 \| good	32.108 \| good	1.886 \| good	4.206 \| good	0.152 \| good
2026-01-23T09:00:00.000Z	29 \| good	4.992 \| good	27.186 \| good	30.561 \| good	1.258 \| good	6.485 \| good	0.152 \| good
2026-01-23T11:00:00.000Z	27 \| good	5.061 \| good	25.83 \| good	28.175 \| good	2.279 \| good	7.725 \| good	0.152 \| good
2026-01-23T12:00:00.000Z	27 \| good	5.114 \| good	20.952 \| good	28.148 \| good	1.285 \| good	8.525 \| good	0.152 \| good
2026-01-23T13:00:00.000Z	29 \| good	5.114 \| good	20.952 \| good	30.834 \| good	2.846 \| good	8.478 \| good	0.152 \| good
2026-01-23T14:00:00.000Z	33 \| good	5.769 \| good	22.004 \| good	29.901 \| good	1.533 \| good	6.852 \| good	0.19 \| good
2026-01-23T15:00:00.000Z	38 \| good	6.618 \| good	23.238 \| good	28.454 \| good	2.772 \| good	8.557 \| good	0.152 \| good
2026-01-23T16:00:00.000Z	38 \| good	6.666 \| good	23.277 \| good	28.425 \| good	3.984 \| good	8.257 \| good	0.152 \| good
2026-01-23T17:00:00.000Z	38 \| good	6.587 \| good	23.1 \| good	27.794 \| good	1.933 \| good	5.578 \| good	0.152 \| good
2026-01-23T18:00:00.000Z	38 \| good	6.587 \| good	23.1 \| good	28.735 \| good	1.961 \| good	5.872 \| good	0.152 \| good
2026-01-23T19:00:00.000Z	33 \| good	6.424 \| good	20.905 \| good	30.314 \| good	1.81 \| good	5.045 \| good	0.152 \| good
2026-01-23T20:00:00.000Z	33 \| good	6.339 \| good	21.36 \| good	30.413 \| good	1.954 \| good	4.882 \| good	0.19 \| good
2026-01-23T21:00:00.000Z	33 \| good	6.43 \| good	22.229 \| good	31.224 \| good	1.045 \| good	4.968 \| good	0.19 \| good
2026-01-23T22:00:00.000Z	33 \| good	6.032 \| good	20.207 \| good	29.724 \| good	1.429 \| good	6.923 \| good	0.239 \| good
2026-01-23T23:00:00.000Z	33 \| good	6.35 \| good	21.164 \| good	27.867 \| good	1.223 \| good	9.072 \| good	0.201 \| good
2026-01-24T00:00:00.000Z	38 \| good	6.524 \| good	21.802 \| good	27.511 \| good	0.942 \| good	7.891 \| good	0.204 \| good
2026-01-24T01:00:00.000Z	38 \| good	6.665 \| good	22.573 \| good	26.945 \| good	0.808 \| good	9.494 \| good	0.204 \| good
2026-01-24T02:00:00.000Z	38 \| good	6.786 \| good	23.782 \| good	23.866 \| good	0.826 \| good	10.806 \| good	0.219 \| good
2026-01-24T03:00:00.000Z	38 \| good	7.09 \| good	24.368 \| good	22.552 \| good	0.686 \| good	12.125 \| good	0.219 \| good
2026-01-24T04:00:00.000Z	38 \| good	7.311 \| good	24.694 \| good	22.408 \| good	0.734 \| good	10.932 \| good	0.248 \| good
2026-01-24T05:00:00.000Z	38 \| good	7.376 \| good	24.662 \| good	23.075 \| good	0.808 \| good	12.694 \| good	0.314 \| good
2026-01-24T06:00:00.000Z	38 \| good	7.376 \| good	24.662 \| good	20.022 \| good	1.294 \| good	14.605 \| good	0.239 \| good
2026-01-24T07:00:00.000Z	38 \| good	7.36 \| good	24.63 \| good	21.324 \| good	1.679 \| good	14.883 \| good	0.239 \| good
2026-01-24T08:00:00.000Z	38 \| good	6.975 \| good	22.42 \| good	19.946 \| good	1.134 \| good	14.409 \| good	0.251 \| good
2026-01-24T09:00:00.000Z	38 \| good	6.769 \| good	21.322 \| good	20.413 \| good	1.231 \| good	13.699 \| good	0.236 \| good
2026-01-24T10:00:00.000Z	38 \| good	6.51 \| good	19.801 \| good	20.734 \| good	1.289 \| good	12.64 \| good	0.222 \| good
2026-01-24T11:00:00.000Z	33 \| good	6.31 \| good	19.359 \| good	21.722 \| good	2.055 \| good	15.466 \| good	0.274 \| good
2026-01-24T12:00:00.000Z	33 \| good	6.285 \| good	18.718 \| good	18.289 \| good	2.401 \| good	16.065 \| good	0.277 \| good
2026-01-24T13:00:00.000Z	33 \| good	6.285 \| good	18.718 \| good	16.854 \| good	3.032 \| good	27.17 \| good	0.277 \| good
2026-01-24T14:00:00.000Z	33 \| good	6.3 \| good	19.192 \| good	18.754 \| good	2.288 \| good	31.437 \| good	0.287 \| good
2026-01-24T15:00:00.000Z	33 \| good	6.246 \| good	19.127 \| good	18.774 \| good	1.082 \| good	26.743 \| good	0.312 \| good
2026-01-24T16:00:00.000Z	33 \| good	6.246 \| good	19.127 \| good	19.093 \| good	1.115 \| good	22.182 \| good	0.297 \| good
2026-01-24T17:00:00.000Z	33 \| good	6.264 \| good	19.243 \| good	19.68 \| good	1.424 \| good	18.388 \| good	0.253 \| good
2026-01-24T18:00:00.000Z	33 \| good	6.069 \| good	20.801 \| good	20.512 \| good	2.041 \| good	16.498 \| good	0.239 \| good
2026-01-24T19:00:00.000Z	33 \| good	5.926 \| good	21.164 \| good	23.803 \| good	2.21 \| good	17.435 \| good	0.239 \| good
2026-01-24T20:00:00.000Z	33 \| good	5.761 \| good	20.561 \| good	23.743 \| good	1.396 \| good	11.868 \| good	0.227 \| good
2026-01-24T21:00:00.000Z	33 \| good	5.707 \| good	20.599 \| good	24.911 \| good	1.467 \| good	9.346 \| good	0.276 \| good
2026-01-24T22:00:00.000Z	33 \| good	5.899 \| good	21.799 \| good	24.756 \| good	1.483 \| good	9.52 \| good	0.275 \| good
2026-01-24T10:00:00.000Z	22 \| good	4.339 \| good	19.026 \| good	15.309 \| good	0.682 \| good	6.219 \| good	0.179 \| good
2026-01-24T11:00:00.000Z	27 \| good	4.526 \| good	19.72 \| good	17.739 \| good	0.739 \| good	6.401 \| good	0.179 \| good
2026-01-24T12:00:00.000Z	22 \| good	3.938 \| good	17.065 \| good	18.997 \| good	0.797 \| good	6.582 \| good	0.18 \| good
2026-01-24T13:00:00.000Z	22 \| good	4.349 \| good	19.065 \| good	18.639 \| good	0.95 \| good	7.469 \| good	0.193 \| good
2026-01-24T14:00:00.000Z	22 \| good	3.984 \| good	17.428 \| good	20.052 \| good	1.103 \| good	8.357 \| good	0.205 \| good
2026-01-24T15:00:00.000Z	22 \| good	3.585 \| good	15.763 \| good	19.488 \| good	1.256 \| good	9.245 \| good	0.218 \| good
2026-01-24T16:00:00.000Z	22 \| good	3.849 \| good	16.958 \| good	21.988 \| good	1.483 \| good	8.384 \| good	0.213 \| good
2026-01-24T17:00:00.000Z	27 \| good	4.841 \| good	21.171 \| good	22.118 \| good	1.71 \| good	7.523 \| good	0.208 \| good
2026-01-24T18:00:00.000Z	27 \| good	5.359 \| good	23.128 \| good	22.313 \| good	1.938 \| good	6.661 \| good	0.202 \| good
2026-01-24T19:00:00.000Z	33 \| good	5.72 \| good	24.761 \| good	24.479 \| good	2.172 \| good	7.706 \| good	0.202 \| good
2026-01-24T20:00:00.000Z	33 \| good	5.892 \| good	25.874 \| good	25.122 \| good	2.407 \| good	8.75 \| good	0.201 \| good
2026-01-24T21:00:00.000Z	33 \| good	5.841 \| good	25.361 \| good	25.63 \| good	2.642 \| good	9.795 \| good	0.201 \| good
2026-01-24T22:00:00.000Z	33 \| good	6.122 \| good	26.74 \| good	25.347 \| good	2.708 \| good	12.925 \| good	0.211 \| good
2026-01-24T23:00:00.000Z	38 \| good	6.756 \| good	30.015 \| good	24.047 \| good	2.774 \| good	16.055 \| good	0.221 \| good
2026-01-25T00:00:00.000Z	38 \| good	7.279 \| good	32.092 \| good	22.415 \| good	2.84 \| good	19.186 \| good	0.231 \| good
2026-01-25T01:00:00.000Z	38 \| good	7.031 \| good	31.307 \| good	17.929 \| good	2.767 \| good	19.753 \| good	0.239 \| good
2026-01-25T02:00:00.000Z	38 \| good	7.133 \| good	31.474 \| good	15.361 \| good	2.693 \| good	20.321 \| good	0.247 \| good
2026-01-25T03:00:00.000Z	38 \| good	6.793 \| good	30.086 \| good	13.005 \| good	2.619 \| good	20.889 \| good	0.255 \| good
2026-01-25T04:00:00.000Z	38 \| good	7.007 \| good	31.076 \| good	13.338 \| good	2.334 \| good	20.375 \| good	0.257 \| good
2026-01-25T05:00:00.000Z	38 \| good	6.614 \| good	29.238 \| good	14.28 \| good	2.048 \| good	19.861 \| good	0.258 \| good
2026-01-25T06:00:00.000Z	38 \| good	7.058 \| good	31.082 \| good	14.687 \| good	1.762 \| good	19.347 \| good	0.26 \| good
2026-01-25T07:00:00.000Z	44 \| good	7.848 \| good	34.591 \| good	13.915 \| good	1.684 \| good	18.451 \| good	0.246 \| good
2026-01-25T08:00:00.000Z	44 \| good	8.257 \| good	36.352 \| good	14.153 \| good	1.605 \| good	17.556 \| good	0.232 \| good
2026-01-25T09:00:00.000Z	49 \| good	8.649 \| good	38.35 \| good	14.223 \| good	1.527 \| good	16.66 \| good	0.218 \| good
2026-01-25T10:00:00.000Z	49 \| good	9.036 \| good	39.772 \| good	13.882 \| good	1.372 \| good	15.717 \| good	0.21 \| good
2026-01-25T11:00:00.000Z	49 \| good	8.84 \| good	39.095 \| good	12.902 \| good	1.218 \| good	14.774 \| good	0.203 \| good
2026-01-25T12:00:00.000Z	33 \| good	6.092 \| good	26.729 \| good	15.335 \| good	1.063 \| good	13.831 \| good	0.195 \| good
2026-01-25T13:00:00.000Z	33 \| good	6.318 \| good	27.9 \| good	16.673 \| good	1.053 \| good	12.93 \| good	0.2 \| good
2026-01-25T14:00:00.000Z	27 \| good	5.105 \| good	22.32 \| good	20.69 \| good	1.042 \| good	12.029 \| good	0.205 \| good
2026-01-25T15:00:00.000Z	27 \| good	4.774 \| good	20.732 \| good	23.993 \| good	1.032 \| good	11.127 \| good	0.211 \| good
2026-01-25T16:00:00.000Z	33 \| good	6 \| good	26.108 \| good	28.888 \| good	1.053 \| good	9.416 \| good	0.204 \| good
2026-01-25T17:00:00.000Z	38 \| good	7.219 \| good	31.684 \| good	30.765 \| good	1.074 \| good	7.705 \| good	0.198 \| good
2026-01-25T18:00:00.000Z	44 \| good	8.253 \| good	36.491 \| good	31.949 \| good	1.095 \| good	5.994 \| good	0.191 \| good
2026-01-25T19:00:00.000Z	44 \| good	7.635 \| good	33.53 \| good	31.345 \| good	1.045 \| good	5.767 \| good	0.188 \| good
2026-01-25T20:00:00.000Z	38 \| good	6.895 \| good	30.439 \| good	29.106 \| good	0.995 \| good	5.541 \| good	0.185 \| good
2026-01-25T21:00:00.000Z	38 \| good	6.774 \| good	29.984 \| good	29.822 \| good	0.945 \| good	5.315 \| good	0.182 \| good
2026-01-25T22:00:00.000Z	33 \| good	5.602 \| good	24.265 \| good	31.526 \| good	0.89 \| good	6.758 \| good	0.187 \| good
2026-01-25T23:00:00.000Z	33 \| good	6.264 \| good	27.747 \| good	30.255 \| good	0.836 \| good	8.201 \| good	0.192 \| good
2026-01-26T00:00:00.000Z	49 \| good	8.642 \| good	38.403 \| good	26.05 \| good	0.781 \| good	9.644 \| good	0.197 \| good
2026-01-26T01:00:00.000Z	54 \| moderate	11.071 \| good	49.053 \| good	24.369 \| good	0.772 \| good	9.759 \| good	0.197 \| good
2026-01-26T02:00:00.000Z	56 \| moderate	11.96 \| good	53.033 \| good	20.565 \| good	0.762 \| good	9.873 \| good	0.196 \| good
2026-01-26T03:00:00.000Z	56 \| moderate	11.917 \| good	53.141 \| good	19.991 \| good	0.753 \| good	9.988 \| good	0.196 \| good
2026-01-26T04:00:00.000Z	56 \| moderate	11.54 \| good	51.089 \| good	20.285 \| good	0.755 \| good	9.158 \| good	0.193 \| good
2026-01-26T05:00:00.000Z	49 \| good	8.723 \| good	38.382 \| good	21.274 \| good	0.758 \| good	8.328 \| good	0.19 \| good
2026-01-26T06:00:00.000Z	44 \| good	8.252 \| good	8.472 \| good	29.7 \| good	0.76 \| good	7.444 \| good	0.187 \| good
2026-01-26T07:00:00.000Z	38 \| good	6.72 \| good	29.857 \| good	23.541 \| good	0.718 \| good	6.778 \| good	0.186 \| good
2026-01-26T08:00:00.000Z	38 \| good	6.966 \| good	30.892 \| good	23.738 \| good	0.676 \| good	6.058 \| good	0.186 \| good
2026-01-26T09:00:00.000Z	44 \| good	7.874 \| good	34.667 \| good	22.164 \| good	0.633 \| good	5.338 \| good	0.185 \| good

Winnetka

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Winnetka, Illinois air quality map: Track AQI near you

0.27ppm

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 Winnetka, Illinois updated?

The air quality for Winnetka, Illinois is updated every hour.

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

The worst air quality in Winnetka, Illinois in the last 24 hours was observed at 10:00:00 on 2026-01-24.

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

In the last 24 hrs, the best air quality in Winnetka, Illinois was observed at 09:00:00 on 2026-01-24.

What is the current air quality in Winnetka, Illinois?

The current air quality in Winnetka, Illinois is 33, categorized as Good based on real-time data.

What pollutant is the most common in Winnetka, Illinois?

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

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

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

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

The current PM_2.5 concentration at Winnetka, Illinois is 5.899 μg/m³.

What is the current concentration of PM₁₀ in Winnetka, Illinois?

The current PM₁₀ concentration at Winnetka, Illinois is 21.799 μg/m³.

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

The current carbon monoxide (CO) concentration at Winnetka, Illinois is 0.275 ppm.

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

The current sulfur dioxide (SO₂) concentration at Winnetka, Illinois is 1.483 ppb.

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

The current ozone (O₃) concentration at Winnetka, Illinois is 24.756 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Winnetka, Illinois is 9.52 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-22T23:00:00.000Z	31 \| good	3.94 \| good	17.704 \| good	34.286 \| good	0.838 \| good	6.776 \| good	0.19 \| good
2026-01-23T00:00:00.000Z	30 \| good	3.9 \| good	17.457 \| good	32.378 \| good	0.651 \| good	6.429 \| good	0.19 \| good
2026-01-23T01:00:00.000Z	29 \| good	3.946 \| good	17.36 \| good	31.105 \| good	0.75 \| good	8.054 \| good	0.19 \| good
2026-01-23T02:00:00.000Z	30 \| good	3.98 \| good	17.393 \| good	32.381 \| good	0.826 \| good	7.173 \| good	0.152 \| good
2026-01-23T03:00:00.000Z	31 \| good	4.144 \| good	17.672 \| good	32.619 \| good	0.754 \| good	8.907 \| good	0.152 \| good
2026-01-23T04:00:00.000Z	31 \| good	4.074 \| good	17.491 \| good	32.793 \| good	0.74 \| good	5.631 \| good	0.152 \| good
2026-01-23T05:00:00.000Z	31 \| good	3.99 \| good	18.554 \| good	33.528 \| good	0.653 \| good	5.445 \| good	0.138 \| good
2026-01-23T06:00:00.000Z	31 \| good	4.071 \| good	22.915 \| good	33.295 \| good	1.079 \| good	5.22 \| good	0.138 \| good
2026-01-23T07:00:00.000Z	30 \| good	4.071 \| good	22.915 \| good	31.665 \| good	1.239 \| good	5.48 \| good	0.152 \| good
2026-01-23T08:00:00.000Z	30 \| good	4.551 \| good	27.518 \| good	32.108 \| good	1.886 \| good	4.206 \| good	0.152 \| good
2026-01-23T09:00:00.000Z	29 \| good	4.992 \| good	27.186 \| good	30.561 \| good	1.258 \| good	6.485 \| good	0.152 \| good
2026-01-23T11:00:00.000Z	27 \| good	5.061 \| good	25.83 \| good	28.175 \| good	2.279 \| good	7.725 \| good	0.152 \| good
2026-01-23T12:00:00.000Z	27 \| good	5.114 \| good	20.952 \| good	28.148 \| good	1.285 \| good	8.525 \| good	0.152 \| good
2026-01-23T13:00:00.000Z	29 \| good	5.114 \| good	20.952 \| good	30.834 \| good	2.846 \| good	8.478 \| good	0.152 \| good
2026-01-23T14:00:00.000Z	33 \| good	5.769 \| good	22.004 \| good	29.901 \| good	1.533 \| good	6.852 \| good	0.19 \| good
2026-01-23T15:00:00.000Z	38 \| good	6.618 \| good	23.238 \| good	28.454 \| good	2.772 \| good	8.557 \| good	0.152 \| good
2026-01-23T16:00:00.000Z	38 \| good	6.666 \| good	23.277 \| good	28.425 \| good	3.984 \| good	8.257 \| good	0.152 \| good
2026-01-23T17:00:00.000Z	38 \| good	6.587 \| good	23.1 \| good	27.794 \| good	1.933 \| good	5.578 \| good	0.152 \| good
2026-01-23T18:00:00.000Z	38 \| good	6.587 \| good	23.1 \| good	28.735 \| good	1.961 \| good	5.872 \| good	0.152 \| good
2026-01-23T19:00:00.000Z	33 \| good	6.424 \| good	20.905 \| good	30.314 \| good	1.81 \| good	5.045 \| good	0.152 \| good
2026-01-23T20:00:00.000Z	33 \| good	6.339 \| good	21.36 \| good	30.413 \| good	1.954 \| good	4.882 \| good	0.19 \| good
2026-01-23T21:00:00.000Z	33 \| good	6.43 \| good	22.229 \| good	31.224 \| good	1.045 \| good	4.968 \| good	0.19 \| good
2026-01-23T22:00:00.000Z	33 \| good	6.032 \| good	20.207 \| good	29.724 \| good	1.429 \| good	6.923 \| good	0.239 \| good
2026-01-23T23:00:00.000Z	33 \| good	6.35 \| good	21.164 \| good	27.867 \| good	1.223 \| good	9.072 \| good	0.201 \| good
2026-01-24T00:00:00.000Z	38 \| good	6.524 \| good	21.802 \| good	27.511 \| good	0.942 \| good	7.891 \| good	0.204 \| good
2026-01-24T01:00:00.000Z	38 \| good	6.665 \| good	22.573 \| good	26.945 \| good	0.808 \| good	9.494 \| good	0.204 \| good
2026-01-24T02:00:00.000Z	38 \| good	6.786 \| good	23.782 \| good	23.866 \| good	0.826 \| good	10.806 \| good	0.219 \| good
2026-01-24T03:00:00.000Z	38 \| good	7.09 \| good	24.368 \| good	22.552 \| good	0.686 \| good	12.125 \| good	0.219 \| good
2026-01-24T04:00:00.000Z	38 \| good	7.311 \| good	24.694 \| good	22.408 \| good	0.734 \| good	10.932 \| good	0.248 \| good
2026-01-24T05:00:00.000Z	38 \| good	7.376 \| good	24.662 \| good	23.075 \| good	0.808 \| good	12.694 \| good	0.314 \| good
2026-01-24T06:00:00.000Z	38 \| good	7.376 \| good	24.662 \| good	20.022 \| good	1.294 \| good	14.605 \| good	0.239 \| good
2026-01-24T07:00:00.000Z	38 \| good	7.36 \| good	24.63 \| good	21.324 \| good	1.679 \| good	14.883 \| good	0.239 \| good
2026-01-24T08:00:00.000Z	38 \| good	6.975 \| good	22.42 \| good	19.946 \| good	1.134 \| good	14.409 \| good	0.251 \| good
2026-01-24T09:00:00.000Z	38 \| good	6.769 \| good	21.322 \| good	20.413 \| good	1.231 \| good	13.699 \| good	0.236 \| good
2026-01-24T10:00:00.000Z	38 \| good	6.51 \| good	19.801 \| good	20.734 \| good	1.289 \| good	12.64 \| good	0.222 \| good
2026-01-24T11:00:00.000Z	33 \| good	6.31 \| good	19.359 \| good	21.722 \| good	2.055 \| good	15.466 \| good	0.274 \| good
2026-01-24T12:00:00.000Z	33 \| good	6.285 \| good	18.718 \| good	18.289 \| good	2.401 \| good	16.065 \| good	0.277 \| good
2026-01-24T13:00:00.000Z	33 \| good	6.285 \| good	18.718 \| good	16.854 \| good	3.032 \| good	27.17 \| good	0.277 \| good
2026-01-24T14:00:00.000Z	33 \| good	6.3 \| good	19.192 \| good	18.754 \| good	2.288 \| good	31.437 \| good	0.287 \| good
2026-01-24T15:00:00.000Z	33 \| good	6.246 \| good	19.127 \| good	18.774 \| good	1.082 \| good	26.743 \| good	0.312 \| good
2026-01-24T16:00:00.000Z	33 \| good	6.246 \| good	19.127 \| good	19.093 \| good	1.115 \| good	22.182 \| good	0.297 \| good
2026-01-24T17:00:00.000Z	33 \| good	6.264 \| good	19.243 \| good	19.68 \| good	1.424 \| good	18.388 \| good	0.253 \| good
2026-01-24T18:00:00.000Z	33 \| good	6.069 \| good	20.801 \| good	20.512 \| good	2.041 \| good	16.498 \| good	0.239 \| good
2026-01-24T19:00:00.000Z	33 \| good	5.926 \| good	21.164 \| good	23.803 \| good	2.21 \| good	17.435 \| good	0.239 \| good
2026-01-24T20:00:00.000Z	33 \| good	5.761 \| good	20.561 \| good	23.743 \| good	1.396 \| good	11.868 \| good	0.227 \| good
2026-01-24T21:00:00.000Z	33 \| good	5.707 \| good	20.599 \| good	24.911 \| good	1.467 \| good	9.346 \| good	0.276 \| good
2026-01-24T22:00:00.000Z	33 \| good	5.899 \| good	21.799 \| good	24.756 \| good	1.483 \| good	9.52 \| good	0.275 \| good
2026-01-24T10:00:00.000Z	22 \| good	4.339 \| good	19.026 \| good	15.309 \| good	0.682 \| good	6.219 \| good	0.179 \| good
2026-01-24T11:00:00.000Z	27 \| good	4.526 \| good	19.72 \| good	17.739 \| good	0.739 \| good	6.401 \| good	0.179 \| good
2026-01-24T12:00:00.000Z	22 \| good	3.938 \| good	17.065 \| good	18.997 \| good	0.797 \| good	6.582 \| good	0.18 \| good
2026-01-24T13:00:00.000Z	22 \| good	4.349 \| good	19.065 \| good	18.639 \| good	0.95 \| good	7.469 \| good	0.193 \| good
2026-01-24T14:00:00.000Z	22 \| good	3.984 \| good	17.428 \| good	20.052 \| good	1.103 \| good	8.357 \| good	0.205 \| good
2026-01-24T15:00:00.000Z	22 \| good	3.585 \| good	15.763 \| good	19.488 \| good	1.256 \| good	9.245 \| good	0.218 \| good
2026-01-24T16:00:00.000Z	22 \| good	3.849 \| good	16.958 \| good	21.988 \| good	1.483 \| good	8.384 \| good	0.213 \| good
2026-01-24T17:00:00.000Z	27 \| good	4.841 \| good	21.171 \| good	22.118 \| good	1.71 \| good	7.523 \| good	0.208 \| good
2026-01-24T18:00:00.000Z	27 \| good	5.359 \| good	23.128 \| good	22.313 \| good	1.938 \| good	6.661 \| good	0.202 \| good
2026-01-24T19:00:00.000Z	33 \| good	5.72 \| good	24.761 \| good	24.479 \| good	2.172 \| good	7.706 \| good	0.202 \| good
2026-01-24T20:00:00.000Z	33 \| good	5.892 \| good	25.874 \| good	25.122 \| good	2.407 \| good	8.75 \| good	0.201 \| good
2026-01-24T21:00:00.000Z	33 \| good	5.841 \| good	25.361 \| good	25.63 \| good	2.642 \| good	9.795 \| good	0.201 \| good
2026-01-24T22:00:00.000Z	33 \| good	6.122 \| good	26.74 \| good	25.347 \| good	2.708 \| good	12.925 \| good	0.211 \| good
2026-01-24T23:00:00.000Z	38 \| good	6.756 \| good	30.015 \| good	24.047 \| good	2.774 \| good	16.055 \| good	0.221 \| good
2026-01-25T00:00:00.000Z	38 \| good	7.279 \| good	32.092 \| good	22.415 \| good	2.84 \| good	19.186 \| good	0.231 \| good
2026-01-25T01:00:00.000Z	38 \| good	7.031 \| good	31.307 \| good	17.929 \| good	2.767 \| good	19.753 \| good	0.239 \| good
2026-01-25T02:00:00.000Z	38 \| good	7.133 \| good	31.474 \| good	15.361 \| good	2.693 \| good	20.321 \| good	0.247 \| good
2026-01-25T03:00:00.000Z	38 \| good	6.793 \| good	30.086 \| good	13.005 \| good	2.619 \| good	20.889 \| good	0.255 \| good
2026-01-25T04:00:00.000Z	38 \| good	7.007 \| good	31.076 \| good	13.338 \| good	2.334 \| good	20.375 \| good	0.257 \| good
2026-01-25T05:00:00.000Z	38 \| good	6.614 \| good	29.238 \| good	14.28 \| good	2.048 \| good	19.861 \| good	0.258 \| good
2026-01-25T06:00:00.000Z	38 \| good	7.058 \| good	31.082 \| good	14.687 \| good	1.762 \| good	19.347 \| good	0.26 \| good
2026-01-25T07:00:00.000Z	44 \| good	7.848 \| good	34.591 \| good	13.915 \| good	1.684 \| good	18.451 \| good	0.246 \| good
2026-01-25T08:00:00.000Z	44 \| good	8.257 \| good	36.352 \| good	14.153 \| good	1.605 \| good	17.556 \| good	0.232 \| good
2026-01-25T09:00:00.000Z	49 \| good	8.649 \| good	38.35 \| good	14.223 \| good	1.527 \| good	16.66 \| good	0.218 \| good
2026-01-25T10:00:00.000Z	49 \| good	9.036 \| good	39.772 \| good	13.882 \| good	1.372 \| good	15.717 \| good	0.21 \| good
2026-01-25T11:00:00.000Z	49 \| good	8.84 \| good	39.095 \| good	12.902 \| good	1.218 \| good	14.774 \| good	0.203 \| good
2026-01-25T12:00:00.000Z	33 \| good	6.092 \| good	26.729 \| good	15.335 \| good	1.063 \| good	13.831 \| good	0.195 \| good
2026-01-25T13:00:00.000Z	33 \| good	6.318 \| good	27.9 \| good	16.673 \| good	1.053 \| good	12.93 \| good	0.2 \| good
2026-01-25T14:00:00.000Z	27 \| good	5.105 \| good	22.32 \| good	20.69 \| good	1.042 \| good	12.029 \| good	0.205 \| good
2026-01-25T15:00:00.000Z	27 \| good	4.774 \| good	20.732 \| good	23.993 \| good	1.032 \| good	11.127 \| good	0.211 \| good
2026-01-25T16:00:00.000Z	33 \| good	6 \| good	26.108 \| good	28.888 \| good	1.053 \| good	9.416 \| good	0.204 \| good
2026-01-25T17:00:00.000Z	38 \| good	7.219 \| good	31.684 \| good	30.765 \| good	1.074 \| good	7.705 \| good	0.198 \| good
2026-01-25T18:00:00.000Z	44 \| good	8.253 \| good	36.491 \| good	31.949 \| good	1.095 \| good	5.994 \| good	0.191 \| good
2026-01-25T19:00:00.000Z	44 \| good	7.635 \| good	33.53 \| good	31.345 \| good	1.045 \| good	5.767 \| good	0.188 \| good
2026-01-25T20:00:00.000Z	38 \| good	6.895 \| good	30.439 \| good	29.106 \| good	0.995 \| good	5.541 \| good	0.185 \| good
2026-01-25T21:00:00.000Z	38 \| good	6.774 \| good	29.984 \| good	29.822 \| good	0.945 \| good	5.315 \| good	0.182 \| good
2026-01-25T22:00:00.000Z	33 \| good	5.602 \| good	24.265 \| good	31.526 \| good	0.89 \| good	6.758 \| good	0.187 \| good
2026-01-25T23:00:00.000Z	33 \| good	6.264 \| good	27.747 \| good	30.255 \| good	0.836 \| good	8.201 \| good	0.192 \| good
2026-01-26T00:00:00.000Z	49 \| good	8.642 \| good	38.403 \| good	26.05 \| good	0.781 \| good	9.644 \| good	0.197 \| good
2026-01-26T01:00:00.000Z	54 \| moderate	11.071 \| good	49.053 \| good	24.369 \| good	0.772 \| good	9.759 \| good	0.197 \| good
2026-01-26T02:00:00.000Z	56 \| moderate	11.96 \| good	53.033 \| good	20.565 \| good	0.762 \| good	9.873 \| good	0.196 \| good
2026-01-26T03:00:00.000Z	56 \| moderate	11.917 \| good	53.141 \| good	19.991 \| good	0.753 \| good	9.988 \| good	0.196 \| good
2026-01-26T04:00:00.000Z	56 \| moderate	11.54 \| good	51.089 \| good	20.285 \| good	0.755 \| good	9.158 \| good	0.193 \| good
2026-01-26T05:00:00.000Z	49 \| good	8.723 \| good	38.382 \| good	21.274 \| good	0.758 \| good	8.328 \| good	0.19 \| good
2026-01-26T06:00:00.000Z	44 \| good	8.252 \| good	8.472 \| good	29.7 \| good	0.76 \| good	7.444 \| good	0.187 \| good
2026-01-26T07:00:00.000Z	38 \| good	6.72 \| good	29.857 \| good	23.541 \| good	0.718 \| good	6.778 \| good	0.186 \| good
2026-01-26T08:00:00.000Z	38 \| good	6.966 \| good	30.892 \| good	23.738 \| good	0.676 \| good	6.058 \| good	0.186 \| good
2026-01-26T09:00:00.000Z	44 \| good	7.874 \| good	34.667 \| good	22.164 \| good	0.633 \| good	5.338 \| good	0.185 \| good

Winnetka, Illinois live air quality index now

Major air pollutants in Winnetka, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Winnetka, Illinois air quality map: Track AQI near you

Air quality in nearby cities

Wilmette, Illinois

Evanston, Illinois

Glenview, Illinois

Northbrook, Illinois

Skokie, Illinois

Morton Grove, Illinois

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Frequently asked questions

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

What is the current concentration of PM10 in Winnetka, Illinois?

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

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

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

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

What is the current concentration of PM₁₀ in Winnetka, Illinois?

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

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

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