What is the PM10 level in Northbrook, Illinois at the moment?

The PM10 concentration in Northbrook, Illinois is 8.11 μg/m3 at the moment.

What is the sulfur dioxide (SO2) level in Northbrook, Illinois at the moment?

Currently, Northbrook, Illinois has a sulfur dioxide (SO2) concentration of 1.735 ppb.

What is the ozone (O3) level in Northbrook, Illinois at the moment?

The current ozone (O3) level in Northbrook, Illinois at the moment is 23.75 ppm.

What is the nitrogen dioxide (NO2) level in Northbrook, Illinois at the moment?

Nitrogen dioxide (NO2) level in Northbrook, Illinois at the moment is 11.499 ppb.

Live air quality index in Northbrook, Illinois today

Q: What is the PM2.5 level in Northbrook, Illinois at the moment?

PM2.5 levels in Northbrook, Illinois are currently 2.996 μg/m3.

Stay updated with real-time air quality in Northbrook, 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

Northbrook, Illinois

Last updated: ... (Local time)

Major air pollutants in Northbrook, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.72 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

15.17 μg/m³

155

255

425

605+

Ozone (O₃)

25.08 ppb

201

201+

Sulfur Dioxide (SO₂)

1.02 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

14.22 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Northbrook, Illinois

Get Live Pollen Counts

Northbrook, Illinois

Scroll To Air Quality Map

Track live Northbrook, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-24T07:00:00.000Z	22 \| good	3.877 \| good	10.255 \| good	4.039 \| good	1.279 \| good	11.693 \| good	0.277 \| good
2025-10-24T08:00:00.000Z	22 \| good	3.955 \| good	10.027 \| good	3.664 \| good	1.249 \| good	7.912 \| good	0.276 \| good
2025-10-24T09:00:00.000Z	22 \| good	3.82 \| good	9.226 \| good	2.998 \| good	0.868 \| good	9.993 \| good	0.249 \| good
2025-10-24T10:00:00.000Z	22 \| good	3.803 \| good	9.277 \| good	2.822 \| good	1.091 \| good	13.963 \| good	0.316 \| good
2025-10-24T11:00:00.000Z	22 \| good	3.715 \| good	9.454 \| good	2.44 \| good	1.146 \| good	15.958 \| good	0.244 \| good
2025-10-24T12:00:00.000Z	22 \| good	3.614 \| good	9.16 \| good	3.98 \| good	1.116 \| good	15.499 \| good	0.293 \| good
2025-10-24T13:00:00.000Z	22 \| good	3.575 \| good	8.686 \| good	4.085 \| good	1.041 \| good	14.442 \| good	0.293 \| good
2025-10-24T14:00:00.000Z	22 \| good	3.718 \| good	9.34 \| good	5.048 \| good	1.091 \| good	16.352 \| good	0.496 \| good
2025-10-24T15:00:00.000Z	22 \| good	3.845 \| good	9.627 \| good	6.907 \| good	1.414 \| good	16.808 \| good	0.254 \| good
2025-10-24T16:00:00.000Z	16 \| good	3.291 \| good	8.988 \| good	9.02 \| good	4.457 \| good	14.658 \| good	0.213 \| good
2025-10-24T17:00:00.000Z	16 \| good	2.578 \| good	6.605 \| good	13.709 \| good	1.007 \| good	6.465 \| good	0.212 \| good
2025-10-24T18:00:00.000Z	16 \| good	2.606 \| good	6.772 \| good	15.859 \| good	0.98 \| good	3.403 \| good	0.204 \| good
2025-10-24T19:00:00.000Z	17 \| good	2.504 \| good	6.14 \| good	17.944 \| good	1.134 \| good	4.442 \| good	0.27 \| good
2025-10-24T20:00:00.000Z	19 \| good	2.391 \| good	6.484 \| good	20.766 \| good	0.853 \| good	4.135 \| good	0.217 \| good
2025-10-24T21:00:00.000Z	20 \| good	2.533 \| good	6.841 \| good	22.114 \| good	0.845 \| good	3.631 \| good	0.205 \| good
2025-10-24T22:00:00.000Z	21 \| good	2.602 \| good	6.602 \| good	23.292 \| good	1.006 \| good	4.571 \| good	0.163 \| good
2025-10-24T23:00:00.000Z	22 \| good	2.661 \| good	6.564 \| good	23.843 \| good	1.695 \| good	5.862 \| good	0.246 \| good
2025-10-25T00:00:00.000Z	22 \| good	2.996 \| good	8.11 \| good	23.75 \| good	1.735 \| good	11.499 \| good	0.271 \| good
2025-10-25T01:00:00.000Z	18 \| good	2.984 \| good	8.042 \| good	18.662 \| good	0.77 \| good	15.942 \| good	0.273 \| good
2025-10-25T02:00:00.000Z	22 \| good	3.594 \| good	10.127 \| good	14.998 \| good	0.743 \| good	15.967 \| good	0.398 \| good
2025-10-25T03:00:00.000Z	38 \| good	6.719 \| good	29.346 \| good	5.849 \| good	2.417 \| good	18.586 \| good	0.225 \| good
2025-10-25T04:00:00.000Z	56 \| moderate	12.124 \| fine	41.26 \| good	7.624 \| good	1.02 \| good	17.914 \| good	0.468 \| good
2025-10-25T05:00:00.000Z	52 \| moderate	9.73 \| good	29.518 \| good	4.85 \| good	1.183 \| good	15.779 \| good	0.371 \| good
2025-10-25T06:00:00.000Z	44 \| good	8.229 \| good	21.726 \| good	1.962 \| good	0.936 \| good	14.778 \| good	0.315 \| good
2025-10-25T07:00:00.000Z	44 \| good	8.165 \| good	22.361 \| good	1.877 \| good	0.918 \| good	14.265 \| good	0.32 \| good
2025-10-25T08:00:00.000Z	38 \| good	7.327 \| good	18.142 \| good	15.786 \| good	0.846 \| good	13.527 \| good	0.316 \| good
2025-10-25T09:00:00.000Z	44 \| good	7.761 \| good	18.717 \| good	10.932 \| good	0.85 \| good	13.134 \| good	0.304 \| good
2025-10-25T10:00:00.000Z	38 \| good	7.455 \| good	18.392 \| good	6.876 \| good	0.959 \| good	12.827 \| good	0.281 \| good
2025-10-25T11:00:00.000Z	44 \| good	7.877 \| good	20.05 \| good	3.317 \| good	0.942 \| good	12.073 \| good	0.366 \| good
2025-10-25T12:00:00.000Z	44 \| good	7.71 \| good	19.244 \| good	8.464 \| good	0.852 \| good	11.092 \| good	0.327 \| good
2025-10-25T13:00:00.000Z	44 \| good	8.448 \| good	20.192 \| good	1.485 \| good	0.876 \| good	12.317 \| good	0.312 \| good
2025-10-25T14:00:00.000Z	49 \| good	8.827 \| good	21.906 \| good	2.368 \| good	0.682 \| good	17.52 \| good	0.388 \| good
2025-10-25T15:00:00.000Z	49 \| good	8.836 \| good	21.955 \| good	4.16 \| good	1.128 \| good	16.324 \| good	0.35 \| good
2025-10-25T16:00:00.000Z	38 \| good	6.941 \| good	17.315 \| good	6.944 \| good	0.836 \| good	11.858 \| good	0.202 \| good
2025-10-25T17:00:00.000Z	38 \| good	6.965 \| good	17.834 \| good	13.241 \| good	0.937 \| good	6.217 \| good	0.164 \| good
2025-10-25T18:00:00.000Z	22 \| good	4.243 \| good	11.041 \| good	18.306 \| good	1.678 \| good	4.937 \| good	0.167 \| good
2025-10-25T19:00:00.000Z	22 \| good	4.234 \| good	11.169 \| good	20.682 \| good	1.606 \| good	4.712 \| good	0.168 \| good
2025-10-25T20:00:00.000Z	22 \| good	4.489 \| good	11.156 \| good	23.815 \| good	1.425 \| good	3.527 \| good	0.168 \| good
2025-10-25T21:00:00.000Z	27 \| good	4.721 \| good	11.899 \| good	26.767 \| good	0.718 \| good	3.338 \| good	0.168 \| good
2025-10-25T22:00:00.000Z	27 \| good	4.682 \| good	11.525 \| good	28.645 \| good	0.634 \| good	3.734 \| good	0.163 \| good
2025-10-25T23:00:00.000Z	27 \| good	5.426 \| good	12.893 \| good	28.058 \| good	0.551 \| good	5.762 \| good	0.178 \| good
2025-10-26T00:00:00.000Z	33 \| good	5.759 \| good	13.642 \| good	28.134 \| good	0.812 \| good	11.939 \| good	0.208 \| good
2025-10-26T01:00:00.000Z	33 \| good	6.022 \| good	15.701 \| good	27.787 \| good	1.249 \| good	15.91 \| good	0.264 \| good
2025-10-26T02:00:00.000Z	33 \| good	5.941 \| good	15.159 \| good	27.536 \| good	1.248 \| good	17.39 \| good	0.317 \| good
2025-10-26T03:00:00.000Z	33 \| good	5.991 \| good	15.57 \| good	26.149 \| good	1.028 \| good	18.728 \| good	0.255 \| good
2025-10-26T04:00:00.000Z	33 \| good	5.803 \| good	15.294 \| good	26.149 \| good	0.991 \| good	14.699 \| good	0.237 \| good
2025-10-26T05:00:00.000Z	33 \| good	5.718 \| good	15.172 \| good	25.076 \| good	1.019 \| good	14.224 \| good	0.26 \| good
2025-10-26T06:00:00.000Z	33 \| good	5.647 \| good	13.959 \| good	25.446 \| good	1.34 \| good	9.366 \| good	0.435 \| good
2025-10-26T06:00:00.000Z	33 \| good	5.718 \| good	15.172 \| good	25.076 \| good	1.019 \| good	14.224 \| good	0.26 \| good
2025-10-25T02:00:00.000Z	27 \| good	4.858 \| good	20.823 \| good	8.512 \| good	2.342 \| good	17.778 \| good	0.224 \| good
2025-10-25T03:00:00.000Z	27 \| good	5.395 \| good	23.025 \| good	7.357 \| good	2.529 \| good	18.193 \| good	0.216 \| good
2025-10-25T04:00:00.000Z	38 \| good	6.56 \| good	29.475 \| good	11.415 \| good	2.54 \| good	17.639 \| good	0.209 \| good
2025-10-25T05:00:00.000Z	27 \| good	5.063 \| good	21.896 \| good	9.813 \| good	2.551 \| good	17.085 \| good	0.202 \| good
2025-10-25T06:00:00.000Z	22 \| good	3.598 \| good	15.836 \| good	13.709 \| good	2.563 \| good	16.53 \| good	0.195 \| good
2025-10-25T07:00:00.000Z	16 \| good	3.288 \| good	13.999 \| good	11.998 \| good	2.467 \| good	15.542 \| good	0.186 \| good
2025-10-25T08:00:00.000Z	27 \| good	4.863 \| good	20.814 \| good	6.958 \| good	2.371 \| good	14.553 \| good	0.177 \| good
2025-10-25T09:00:00.000Z	38 \| good	6.5 \| good	29.271 \| good	4.008 \| good	2.275 \| good	13.564 \| good	0.168 \| good
2025-10-25T10:00:00.000Z	44 \| good	8.492 \| good	37.264 \| good	3.376 \| good	2.283 \| good	14.559 \| good	0.174 \| good
2025-10-25T11:00:00.000Z	38 \| good	7.042 \| good	31.407 \| good	4.039 \| good	2.291 \| good	15.554 \| good	0.181 \| good
2025-10-25T12:00:00.000Z	38 \| good	7.335 \| good	32.458 \| good	3.666 \| good	2.298 \| good	16.55 \| good	0.187 \| good
2025-10-25T13:00:00.000Z	44 \| good	7.86 \| good	34.526 \| good	7.141 \| good	2.433 \| good	14.395 \| good	0.191 \| good
2025-10-25T14:00:00.000Z	44 \| good	8.156 \| good	35.684 \| good	10.963 \| good	2.567 \| good	12.24 \| good	0.196 \| good
2025-10-25T15:00:00.000Z	38 \| good	7.316 \| good	31.851 \| good	17.071 \| good	2.701 \| good	10.085 \| good	0.2 \| good
2025-10-25T16:00:00.000Z	38 \| good	7.368 \| good	32.717 \| good	21.597 \| good	2.576 \| good	8.126 \| good	0.184 \| good
2025-10-25T17:00:00.000Z	49 \| good	8.803 \| good	38.88 \| good	19.066 \| good	2.452 \| good	6.167 \| good	0.168 \| good
2025-10-25T18:00:00.000Z	49 \| good	9.232 \| good	40.853 \| good	19.526 \| good	2.327 \| good	4.208 \| good	0.153 \| good
2025-10-25T19:00:00.000Z	44 \| good	8.425 \| good	36.946 \| good	22.135 \| good	2.283 \| good	4.42 \| good	0.153 \| good
2025-10-25T20:00:00.000Z	44 \| good	8.403 \| good	36.862 \| good	24.463 \| good	2.24 \| good	4.631 \| good	0.154 \| good
2025-10-25T21:00:00.000Z	52 \| moderate	9.724 \| good	43.409 \| good	26.829 \| good	2.196 \| good	4.842 \| good	0.155 \| good
2025-10-25T22:00:00.000Z	44 \| good	7.708 \| good	33.675 \| good	27.543 \| good	2.101 \| good	8.843 \| good	0.177 \| good
2025-10-25T23:00:00.000Z	27 \| good	4.88 \| good	20.883 \| good	26.489 \| good	2.006 \| good	12.843 \| good	0.199 \| good
2025-10-26T00:00:00.000Z	33 \| good	6.021 \| good	26.648 \| good	29.841 \| good	1.911 \| good	16.843 \| good	0.222 \| good
2025-10-26T01:00:00.000Z	33 \| good	5.581 \| good	24.156 \| good	29.859 \| good	1.797 \| good	16.234 \| good	0.213 \| good
2025-10-26T02:00:00.000Z	27 \| good	4.692 \| good	20.806 \| good	28.865 \| good	1.683 \| good	15.625 \| good	0.204 \| good
2025-10-26T03:00:00.000Z	27 \| good	4.755 \| good	20.849 \| good	28.281 \| good	1.569 \| good	15.017 \| good	0.196 \| good
2025-10-26T04:00:00.000Z	38 \| good	7.376 \| good	32.14 \| good	29.289 \| good	1.46 \| good	13.51 \| good	0.191 \| good
2025-10-26T05:00:00.000Z	52 \| moderate	10.045 \| good	44.932 \| good	25.884 \| good	1.351 \| good	12.004 \| good	0.187 \| good
2025-10-26T06:00:00.000Z	49 \| good	9.341 \| good	41.949 \| good	26.705 \| good	1.242 \| good	10.497 \| good	0.182 \| good
2025-10-26T07:00:00.000Z	44 \| good	7.815 \| good	34.16 \| good	24.537 \| good	1.257 \| good	9.726 \| good	0.181 \| good
2025-10-26T08:00:00.000Z	49 \| good	8.944 \| good	39.161 \| good	22.788 \| good	1.272 \| good	8.955 \| good	0.181 \| good
2025-10-26T09:00:00.000Z	56 \| moderate	11.637 \| good	51.097 \| good	18.979 \| good	1.288 \| good	8.184 \| good	0.18 \| good
2025-10-26T10:00:00.000Z	54 \| moderate	11.011 \| good	48.37 \| good	19.216 \| good	1.519 \| good	9.465 \| good	0.19 \| good
2025-10-26T11:00:00.000Z	52 \| moderate	10.085 \| good	44.912 \| good	15.533 \| good	1.751 \| good	10.747 \| good	0.199 \| good
2025-10-26T12:00:00.000Z	49 \| good	9.372 \| good	41.743 \| good	17.161 \| good	1.983 \| good	12.028 \| good	0.209 \| good
2025-10-26T13:00:00.000Z	49 \| good	9.414 \| good	41.803 \| good	14.636 \| good	2.382 \| good	10.9 \| good	0.216 \| good
2025-10-26T14:00:00.000Z	54 \| moderate	11.065 \| good	48.929 \| good	19.458 \| good	2.78 \| good	9.772 \| good	0.224 \| good
2025-10-26T15:00:00.000Z	54 \| moderate	10.94 \| good	48.12 \| good	27.604 \| good	3.179 \| good	8.644 \| good	0.232 \| good
2025-10-26T16:00:00.000Z	54 \| moderate	10.841 \| good	48.07 \| good	29.232 \| good	3.241 \| good	7.293 \| good	0.213 \| good
2025-10-26T17:00:00.000Z	54 \| moderate	10.995 \| good	48.284 \| good	29.846 \| good	3.304 \| good	5.942 \| good	0.194 \| good
2025-10-26T18:00:00.000Z	54 \| moderate	10.987 \| good	48.151 \| good	31.816 \| good	3.367 \| good	4.591 \| good	0.175 \| good
2025-10-26T19:00:00.000Z	52 \| moderate	10.306 \| good	45.899 \| good	33.823 \| good	2.852 \| good	4.366 \| good	0.17 \| good
2025-10-26T20:00:00.000Z	52 \| moderate	9.539 \| good	43 \| good	35.445 \| good	2.337 \| good	4.141 \| good	0.164 \| good
2025-10-26T21:00:00.000Z	52 \| moderate	9.899 \| good	43.92 \| good	39.666 \| good	1.822 \| good	3.916 \| good	0.159 \| good
2025-10-26T22:00:00.000Z	49 \| good	8.668 \| good	37.882 \| good	39.195 \| good	1.629 \| good	5.92 \| good	0.169 \| good
2025-10-26T23:00:00.000Z	36 \| good	5.979 \| good	26.68 \| good	39.034 \| good	1.435 \| good	7.924 \| good	0.178 \| good
2025-10-27T00:00:00.000Z	49 \| good	9.438 \| good	9.631 \| good	32.275 \| good	1.221 \| good	9.697 \| good	0.186 \| good
2025-10-27T01:00:00.000Z	28 \| good	3.32 \| good	14.717 \| good	29.586 \| good	1.17 \| good	9.035 \| good	0.18 \| good

Northbrook

Get reliable air quality data to drive your business

Northbrook, Illinois air quality map: Stay updated on AQI near you

0.27ppm

How accurate is Illinois, USA air quality data?

Air quality and pollutant data for Illinois, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

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Frequently asked questions

How often is air quality information updated for Northbrook, Illinois?

The air quality information for Northbrook, Illinois is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Northbrook, Illinois at its worst?

In the past 24 hours, the air quality in Northbrook, Illinois was at its worst at 12:00:00 on 2025-10-25.

When did Northbrook, Illinois experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Northbrook, Illinois was observed at 03:00:00 on 2025-10-24.

What is the AQI in Northbrook, Illinois right now?

As of now, the AQI in Northbrook, Illinois is 22, indicating Good conditions.

What is the most common type of pollution in Northbrook, Illinois?

Northbrook, Illinois air has the highest levels of O3.

What should I do in case of poor air quality in Northbrook, Illinois?

Poor air quality in Northbrook, Illinois means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in Northbrook, Illinois at the moment?

PM_2.5 levels in Northbrook, Illinois are currently 2.996 μg/m³.

What is the PM₁₀ level in Northbrook, Illinois at the moment?

The PM₁₀ concentration in Northbrook, Illinois is 8.11 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Northbrook, Illinois at the moment?

The current carbon monoxide (CO) concentration in Northbrook, Illinois is 0.271 ppm.

What is the sulfur dioxide (SO₂) level in Northbrook, Illinois at the moment?

Currently, Northbrook, Illinois has a sulfur dioxide (SO₂) concentration of 1.735 ppb.

What is the ozone (O₃) level in Northbrook, Illinois at the moment?

The current ozone (O₃) level in Northbrook, Illinois at the moment is 23.75 ppm.

What is the nitrogen dioxide (NO₂) level in Northbrook, Illinois at the moment?

Nitrogen dioxide (NO₂) level in Northbrook, Illinois at the moment is 11.499 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-24T07:00:00.000Z	22 \| good	3.877 \| good	10.255 \| good	4.039 \| good	1.279 \| good	11.693 \| good	0.277 \| good
2025-10-24T08:00:00.000Z	22 \| good	3.955 \| good	10.027 \| good	3.664 \| good	1.249 \| good	7.912 \| good	0.276 \| good
2025-10-24T09:00:00.000Z	22 \| good	3.82 \| good	9.226 \| good	2.998 \| good	0.868 \| good	9.993 \| good	0.249 \| good
2025-10-24T10:00:00.000Z	22 \| good	3.803 \| good	9.277 \| good	2.822 \| good	1.091 \| good	13.963 \| good	0.316 \| good
2025-10-24T11:00:00.000Z	22 \| good	3.715 \| good	9.454 \| good	2.44 \| good	1.146 \| good	15.958 \| good	0.244 \| good
2025-10-24T12:00:00.000Z	22 \| good	3.614 \| good	9.16 \| good	3.98 \| good	1.116 \| good	15.499 \| good	0.293 \| good
2025-10-24T13:00:00.000Z	22 \| good	3.575 \| good	8.686 \| good	4.085 \| good	1.041 \| good	14.442 \| good	0.293 \| good
2025-10-24T14:00:00.000Z	22 \| good	3.718 \| good	9.34 \| good	5.048 \| good	1.091 \| good	16.352 \| good	0.496 \| good
2025-10-24T15:00:00.000Z	22 \| good	3.845 \| good	9.627 \| good	6.907 \| good	1.414 \| good	16.808 \| good	0.254 \| good
2025-10-24T16:00:00.000Z	16 \| good	3.291 \| good	8.988 \| good	9.02 \| good	4.457 \| good	14.658 \| good	0.213 \| good
2025-10-24T17:00:00.000Z	16 \| good	2.578 \| good	6.605 \| good	13.709 \| good	1.007 \| good	6.465 \| good	0.212 \| good
2025-10-24T18:00:00.000Z	16 \| good	2.606 \| good	6.772 \| good	15.859 \| good	0.98 \| good	3.403 \| good	0.204 \| good
2025-10-24T19:00:00.000Z	17 \| good	2.504 \| good	6.14 \| good	17.944 \| good	1.134 \| good	4.442 \| good	0.27 \| good
2025-10-24T20:00:00.000Z	19 \| good	2.391 \| good	6.484 \| good	20.766 \| good	0.853 \| good	4.135 \| good	0.217 \| good
2025-10-24T21:00:00.000Z	20 \| good	2.533 \| good	6.841 \| good	22.114 \| good	0.845 \| good	3.631 \| good	0.205 \| good
2025-10-24T22:00:00.000Z	21 \| good	2.602 \| good	6.602 \| good	23.292 \| good	1.006 \| good	4.571 \| good	0.163 \| good
2025-10-24T23:00:00.000Z	22 \| good	2.661 \| good	6.564 \| good	23.843 \| good	1.695 \| good	5.862 \| good	0.246 \| good
2025-10-25T00:00:00.000Z	22 \| good	2.996 \| good	8.11 \| good	23.75 \| good	1.735 \| good	11.499 \| good	0.271 \| good
2025-10-25T01:00:00.000Z	18 \| good	2.984 \| good	8.042 \| good	18.662 \| good	0.77 \| good	15.942 \| good	0.273 \| good
2025-10-25T02:00:00.000Z	22 \| good	3.594 \| good	10.127 \| good	14.998 \| good	0.743 \| good	15.967 \| good	0.398 \| good
2025-10-25T03:00:00.000Z	38 \| good	6.719 \| good	29.346 \| good	5.849 \| good	2.417 \| good	18.586 \| good	0.225 \| good
2025-10-25T04:00:00.000Z	56 \| moderate	12.124 \| fine	41.26 \| good	7.624 \| good	1.02 \| good	17.914 \| good	0.468 \| good
2025-10-25T05:00:00.000Z	52 \| moderate	9.73 \| good	29.518 \| good	4.85 \| good	1.183 \| good	15.779 \| good	0.371 \| good
2025-10-25T06:00:00.000Z	44 \| good	8.229 \| good	21.726 \| good	1.962 \| good	0.936 \| good	14.778 \| good	0.315 \| good
2025-10-25T07:00:00.000Z	44 \| good	8.165 \| good	22.361 \| good	1.877 \| good	0.918 \| good	14.265 \| good	0.32 \| good
2025-10-25T08:00:00.000Z	38 \| good	7.327 \| good	18.142 \| good	15.786 \| good	0.846 \| good	13.527 \| good	0.316 \| good
2025-10-25T09:00:00.000Z	44 \| good	7.761 \| good	18.717 \| good	10.932 \| good	0.85 \| good	13.134 \| good	0.304 \| good
2025-10-25T10:00:00.000Z	38 \| good	7.455 \| good	18.392 \| good	6.876 \| good	0.959 \| good	12.827 \| good	0.281 \| good
2025-10-25T11:00:00.000Z	44 \| good	7.877 \| good	20.05 \| good	3.317 \| good	0.942 \| good	12.073 \| good	0.366 \| good
2025-10-25T12:00:00.000Z	44 \| good	7.71 \| good	19.244 \| good	8.464 \| good	0.852 \| good	11.092 \| good	0.327 \| good
2025-10-25T13:00:00.000Z	44 \| good	8.448 \| good	20.192 \| good	1.485 \| good	0.876 \| good	12.317 \| good	0.312 \| good
2025-10-25T14:00:00.000Z	49 \| good	8.827 \| good	21.906 \| good	2.368 \| good	0.682 \| good	17.52 \| good	0.388 \| good
2025-10-25T15:00:00.000Z	49 \| good	8.836 \| good	21.955 \| good	4.16 \| good	1.128 \| good	16.324 \| good	0.35 \| good
2025-10-25T16:00:00.000Z	38 \| good	6.941 \| good	17.315 \| good	6.944 \| good	0.836 \| good	11.858 \| good	0.202 \| good
2025-10-25T17:00:00.000Z	38 \| good	6.965 \| good	17.834 \| good	13.241 \| good	0.937 \| good	6.217 \| good	0.164 \| good
2025-10-25T18:00:00.000Z	22 \| good	4.243 \| good	11.041 \| good	18.306 \| good	1.678 \| good	4.937 \| good	0.167 \| good
2025-10-25T19:00:00.000Z	22 \| good	4.234 \| good	11.169 \| good	20.682 \| good	1.606 \| good	4.712 \| good	0.168 \| good
2025-10-25T20:00:00.000Z	22 \| good	4.489 \| good	11.156 \| good	23.815 \| good	1.425 \| good	3.527 \| good	0.168 \| good
2025-10-25T21:00:00.000Z	27 \| good	4.721 \| good	11.899 \| good	26.767 \| good	0.718 \| good	3.338 \| good	0.168 \| good
2025-10-25T22:00:00.000Z	27 \| good	4.682 \| good	11.525 \| good	28.645 \| good	0.634 \| good	3.734 \| good	0.163 \| good
2025-10-25T23:00:00.000Z	27 \| good	5.426 \| good	12.893 \| good	28.058 \| good	0.551 \| good	5.762 \| good	0.178 \| good
2025-10-26T00:00:00.000Z	33 \| good	5.759 \| good	13.642 \| good	28.134 \| good	0.812 \| good	11.939 \| good	0.208 \| good
2025-10-26T01:00:00.000Z	33 \| good	6.022 \| good	15.701 \| good	27.787 \| good	1.249 \| good	15.91 \| good	0.264 \| good
2025-10-26T02:00:00.000Z	33 \| good	5.941 \| good	15.159 \| good	27.536 \| good	1.248 \| good	17.39 \| good	0.317 \| good
2025-10-26T03:00:00.000Z	33 \| good	5.991 \| good	15.57 \| good	26.149 \| good	1.028 \| good	18.728 \| good	0.255 \| good
2025-10-26T04:00:00.000Z	33 \| good	5.803 \| good	15.294 \| good	26.149 \| good	0.991 \| good	14.699 \| good	0.237 \| good
2025-10-26T05:00:00.000Z	33 \| good	5.718 \| good	15.172 \| good	25.076 \| good	1.019 \| good	14.224 \| good	0.26 \| good
2025-10-26T06:00:00.000Z	33 \| good	5.647 \| good	13.959 \| good	25.446 \| good	1.34 \| good	9.366 \| good	0.435 \| good
2025-10-26T06:00:00.000Z	33 \| good	5.718 \| good	15.172 \| good	25.076 \| good	1.019 \| good	14.224 \| good	0.26 \| good
2025-10-25T02:00:00.000Z	27 \| good	4.858 \| good	20.823 \| good	8.512 \| good	2.342 \| good	17.778 \| good	0.224 \| good
2025-10-25T03:00:00.000Z	27 \| good	5.395 \| good	23.025 \| good	7.357 \| good	2.529 \| good	18.193 \| good	0.216 \| good
2025-10-25T04:00:00.000Z	38 \| good	6.56 \| good	29.475 \| good	11.415 \| good	2.54 \| good	17.639 \| good	0.209 \| good
2025-10-25T05:00:00.000Z	27 \| good	5.063 \| good	21.896 \| good	9.813 \| good	2.551 \| good	17.085 \| good	0.202 \| good
2025-10-25T06:00:00.000Z	22 \| good	3.598 \| good	15.836 \| good	13.709 \| good	2.563 \| good	16.53 \| good	0.195 \| good
2025-10-25T07:00:00.000Z	16 \| good	3.288 \| good	13.999 \| good	11.998 \| good	2.467 \| good	15.542 \| good	0.186 \| good
2025-10-25T08:00:00.000Z	27 \| good	4.863 \| good	20.814 \| good	6.958 \| good	2.371 \| good	14.553 \| good	0.177 \| good
2025-10-25T09:00:00.000Z	38 \| good	6.5 \| good	29.271 \| good	4.008 \| good	2.275 \| good	13.564 \| good	0.168 \| good
2025-10-25T10:00:00.000Z	44 \| good	8.492 \| good	37.264 \| good	3.376 \| good	2.283 \| good	14.559 \| good	0.174 \| good
2025-10-25T11:00:00.000Z	38 \| good	7.042 \| good	31.407 \| good	4.039 \| good	2.291 \| good	15.554 \| good	0.181 \| good
2025-10-25T12:00:00.000Z	38 \| good	7.335 \| good	32.458 \| good	3.666 \| good	2.298 \| good	16.55 \| good	0.187 \| good
2025-10-25T13:00:00.000Z	44 \| good	7.86 \| good	34.526 \| good	7.141 \| good	2.433 \| good	14.395 \| good	0.191 \| good
2025-10-25T14:00:00.000Z	44 \| good	8.156 \| good	35.684 \| good	10.963 \| good	2.567 \| good	12.24 \| good	0.196 \| good
2025-10-25T15:00:00.000Z	38 \| good	7.316 \| good	31.851 \| good	17.071 \| good	2.701 \| good	10.085 \| good	0.2 \| good
2025-10-25T16:00:00.000Z	38 \| good	7.368 \| good	32.717 \| good	21.597 \| good	2.576 \| good	8.126 \| good	0.184 \| good
2025-10-25T17:00:00.000Z	49 \| good	8.803 \| good	38.88 \| good	19.066 \| good	2.452 \| good	6.167 \| good	0.168 \| good
2025-10-25T18:00:00.000Z	49 \| good	9.232 \| good	40.853 \| good	19.526 \| good	2.327 \| good	4.208 \| good	0.153 \| good
2025-10-25T19:00:00.000Z	44 \| good	8.425 \| good	36.946 \| good	22.135 \| good	2.283 \| good	4.42 \| good	0.153 \| good
2025-10-25T20:00:00.000Z	44 \| good	8.403 \| good	36.862 \| good	24.463 \| good	2.24 \| good	4.631 \| good	0.154 \| good
2025-10-25T21:00:00.000Z	52 \| moderate	9.724 \| good	43.409 \| good	26.829 \| good	2.196 \| good	4.842 \| good	0.155 \| good
2025-10-25T22:00:00.000Z	44 \| good	7.708 \| good	33.675 \| good	27.543 \| good	2.101 \| good	8.843 \| good	0.177 \| good
2025-10-25T23:00:00.000Z	27 \| good	4.88 \| good	20.883 \| good	26.489 \| good	2.006 \| good	12.843 \| good	0.199 \| good
2025-10-26T00:00:00.000Z	33 \| good	6.021 \| good	26.648 \| good	29.841 \| good	1.911 \| good	16.843 \| good	0.222 \| good
2025-10-26T01:00:00.000Z	33 \| good	5.581 \| good	24.156 \| good	29.859 \| good	1.797 \| good	16.234 \| good	0.213 \| good
2025-10-26T02:00:00.000Z	27 \| good	4.692 \| good	20.806 \| good	28.865 \| good	1.683 \| good	15.625 \| good	0.204 \| good
2025-10-26T03:00:00.000Z	27 \| good	4.755 \| good	20.849 \| good	28.281 \| good	1.569 \| good	15.017 \| good	0.196 \| good
2025-10-26T04:00:00.000Z	38 \| good	7.376 \| good	32.14 \| good	29.289 \| good	1.46 \| good	13.51 \| good	0.191 \| good
2025-10-26T05:00:00.000Z	52 \| moderate	10.045 \| good	44.932 \| good	25.884 \| good	1.351 \| good	12.004 \| good	0.187 \| good
2025-10-26T06:00:00.000Z	49 \| good	9.341 \| good	41.949 \| good	26.705 \| good	1.242 \| good	10.497 \| good	0.182 \| good
2025-10-26T07:00:00.000Z	44 \| good	7.815 \| good	34.16 \| good	24.537 \| good	1.257 \| good	9.726 \| good	0.181 \| good
2025-10-26T08:00:00.000Z	49 \| good	8.944 \| good	39.161 \| good	22.788 \| good	1.272 \| good	8.955 \| good	0.181 \| good
2025-10-26T09:00:00.000Z	56 \| moderate	11.637 \| good	51.097 \| good	18.979 \| good	1.288 \| good	8.184 \| good	0.18 \| good
2025-10-26T10:00:00.000Z	54 \| moderate	11.011 \| good	48.37 \| good	19.216 \| good	1.519 \| good	9.465 \| good	0.19 \| good
2025-10-26T11:00:00.000Z	52 \| moderate	10.085 \| good	44.912 \| good	15.533 \| good	1.751 \| good	10.747 \| good	0.199 \| good
2025-10-26T12:00:00.000Z	49 \| good	9.372 \| good	41.743 \| good	17.161 \| good	1.983 \| good	12.028 \| good	0.209 \| good
2025-10-26T13:00:00.000Z	49 \| good	9.414 \| good	41.803 \| good	14.636 \| good	2.382 \| good	10.9 \| good	0.216 \| good
2025-10-26T14:00:00.000Z	54 \| moderate	11.065 \| good	48.929 \| good	19.458 \| good	2.78 \| good	9.772 \| good	0.224 \| good
2025-10-26T15:00:00.000Z	54 \| moderate	10.94 \| good	48.12 \| good	27.604 \| good	3.179 \| good	8.644 \| good	0.232 \| good
2025-10-26T16:00:00.000Z	54 \| moderate	10.841 \| good	48.07 \| good	29.232 \| good	3.241 \| good	7.293 \| good	0.213 \| good
2025-10-26T17:00:00.000Z	54 \| moderate	10.995 \| good	48.284 \| good	29.846 \| good	3.304 \| good	5.942 \| good	0.194 \| good
2025-10-26T18:00:00.000Z	54 \| moderate	10.987 \| good	48.151 \| good	31.816 \| good	3.367 \| good	4.591 \| good	0.175 \| good
2025-10-26T19:00:00.000Z	52 \| moderate	10.306 \| good	45.899 \| good	33.823 \| good	2.852 \| good	4.366 \| good	0.17 \| good
2025-10-26T20:00:00.000Z	52 \| moderate	9.539 \| good	43 \| good	35.445 \| good	2.337 \| good	4.141 \| good	0.164 \| good
2025-10-26T21:00:00.000Z	52 \| moderate	9.899 \| good	43.92 \| good	39.666 \| good	1.822 \| good	3.916 \| good	0.159 \| good
2025-10-26T22:00:00.000Z	49 \| good	8.668 \| good	37.882 \| good	39.195 \| good	1.629 \| good	5.92 \| good	0.169 \| good
2025-10-26T23:00:00.000Z	36 \| good	5.979 \| good	26.68 \| good	39.034 \| good	1.435 \| good	7.924 \| good	0.178 \| good
2025-10-27T00:00:00.000Z	49 \| good	9.438 \| good	9.631 \| good	32.275 \| good	1.221 \| good	9.697 \| good	0.186 \| good
2025-10-27T01:00:00.000Z	28 \| good	3.32 \| good	14.717 \| good	29.586 \| good	1.17 \| good	9.035 \| good	0.18 \| good

Live air quality index in Northbrook, Illinois today

Major air pollutants in Northbrook, 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)

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