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

The PM10 concentration in Northbrook, Illinois is 18.412 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 0.945 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 41.798 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 3.971 ppb.

Live air quality index in Northbrook, Illinois today

Name: Live air pollution levels in Northbrook, Illinois today
Creator: Ambee

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)

4.45 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

18.41 μg/m³

155

255

425

605+

Ozone (O₃)

41.80 ppb

201

201+

Sulfur Dioxide (SO₂)

0.94 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.97 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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
2025-09-07T22:00:00.000Z	26 \| good	2.409 \| good	6.208 \| good	28.419 \| good	1.329 \| good	4.127 \| good	0.244 \| good
2025-09-07T23:00:00.000Z	27 \| good	2.422 \| good	6.239 \| good	29.156 \| good	1.911 \| good	4.02 \| good	0.201 \| good
2025-09-08T00:00:00.000Z	27 \| good	2.422 \| good	6.241 \| good	29.128 \| good	1.773 \| good	4.788 \| good	0.163 \| good
2025-09-08T01:00:00.000Z	27 \| good	2.757 \| good	6.573 \| good	28.934 \| good	1.275 \| good	9.448 \| good	0.179 \| good
2025-09-08T02:00:00.000Z	24 \| good	3.073 \| good	7.332 \| good	26.101 \| good	1.042 \| good	12.608 \| good	0.233 \| good
2025-09-08T03:00:00.000Z	22 \| good	3.521 \| good	9.166 \| good	16.407 \| good	1.834 \| good	15.939 \| good	0.228 \| good
2025-09-08T04:00:00.000Z	22 \| good	3.769 \| good	10.279 \| good	16.407 \| good	1.84 \| good	12.575 \| good	0.265 \| good
2025-09-08T05:00:00.000Z	22 \| good	4.165 \| good	11.154 \| good	13.846 \| good	0.907 \| good	12.054 \| good	0.388 \| good
2025-09-08T06:00:00.000Z	27 \| good	4.504 \| good	11.571 \| good	10.611 \| good	0.883 \| good	12.005 \| good	0.294 \| good
2025-09-08T07:00:00.000Z	27 \| good	4.978 \| good	12.507 \| good	6.74 \| good	0.984 \| good	11.349 \| good	0.246 \| good
2025-09-08T08:00:00.000Z	27 \| good	5.154 \| good	13.254 \| good	3.943 \| good	1.013 \| good	9.641 \| good	0.232 \| good
2025-09-08T09:00:00.000Z	27 \| good	5.309 \| good	13.374 \| good	3.037 \| good	0.982 \| good	8.403 \| good	0.216 \| good
2025-09-08T10:00:00.000Z	27 \| good	5.268 \| good	12.45 \| good	4.035 \| good	0.904 \| good	8.532 \| good	0.231 \| good
2025-09-08T11:00:00.000Z	27 \| good	5.334 \| good	13.616 \| good	2.483 \| good	0.937 \| good	9.74 \| good	0.347 \| good
2025-09-08T12:00:00.000Z	27 \| good	5.494 \| good	14.818 \| good	5.2 \| good	0.868 \| good	10.996 \| good	0.336 \| good
2025-09-08T13:00:00.000Z	27 \| good	5.497 \| good	14.005 \| good	6.571 \| good	0.926 \| good	13.374 \| good	0.399 \| good
2025-09-08T14:00:00.000Z	33 \| good	5.527 \| good	16.44 \| good	10.066 \| good	1.043 \| good	12.702 \| good	0.403 \| good
2025-09-08T15:00:00.000Z	27 \| good	5.284 \| good	17.733 \| good	11.288 \| good	1.127 \| good	8.734 \| good	0.264 \| good
2025-09-08T16:00:00.000Z	27 \| good	5.09 \| good	18.487 \| good	12.955 \| good	0.949 \| good	7.205 \| good	0.225 \| good
2025-09-08T17:00:00.000Z	27 \| good	4.744 \| good	18.672 \| good	16.005 \| good	0.883 \| good	4.966 \| good	0.222 \| good
2025-09-08T18:00:00.000Z	22 \| good	4.338 \| good	16.704 \| good	20.737 \| good	0.805 \| good	4.296 \| good	0.222 \| good
2025-09-08T19:00:00.000Z	23 \| good	4.062 \| good	14.882 \| good	25.294 \| good	0.828 \| good	5.457 \| good	0.225 \| good
2025-09-08T20:00:00.000Z	31 \| good	4.002 \| good	15.066 \| good	34.015 \| good	0.716 \| good	6.643 \| good	0.222 \| good
2025-09-08T21:00:00.000Z	31 \| good	3.997 \| good	14.887 \| good	34.015 \| good	0.794 \| good	4.449 \| good	0.222 \| good
2025-09-08T22:00:00.000Z	34 \| good	3.999 \| good	15.033 \| good	36.696 \| good	0.793 \| good	3.956 \| good	0.225 \| good
2025-09-08T23:00:00.000Z	34 \| good	3.97 \| good	14.054 \| good	37.052 \| good	0.937 \| good	3.303 \| good	0.222 \| good
2025-09-09T00:00:00.000Z	54 \| moderate	10.551 \| good	46.579 \| good	33.699 \| good	1.871 \| good	9.033 \| good	0.243 \| good
2025-09-09T01:00:00.000Z	56 \| moderate	12.087 \| good	55.261 \| fine	24.48 \| good	2.079 \| good	10.778 \| good	0.253 \| good
2025-09-09T02:00:00.000Z	44 \| good	8.278 \| good	36.453 \| good	31.701 \| good	1.969 \| good	11.279 \| good	0.265 \| good
2025-09-09T03:00:00.000Z	38 \| good	7.06 \| good	31.657 \| good	28.772 \| good	2.165 \| good	12.731 \| good	0.274 \| good
2025-09-09T04:00:00.000Z	60 \| moderate	13.793 \| fine	62.223 \| fine	10.213 \| good	2.59 \| good	14.204 \| good	0.274 \| good
2025-09-09T05:00:00.000Z	62 \| moderate	15.233 \| fine	68.287 \| fine	3.24 \| good	2.684 \| good	14.14 \| good	0.274 \| good
2025-09-09T06:00:00.000Z	60 \| moderate	14.447 \| fine	64.465 \| fine	6.247 \| good	2.778 \| good	14.077 \| good	0.274 \| good
2025-09-09T07:00:00.000Z	54 \| moderate	10.645 \| good	47.537 \| good	18.896 \| good	2.146 \| good	11.08 \| good	0.259 \| good
2025-09-09T08:00:00.000Z	27 \| good	5.417 \| good	16.185 \| good	11.459 \| good	0.947 \| good	16.151 \| good	0.235 \| good
2025-09-09T09:00:00.000Z	27 \| good	5.37 \| good	15.528 \| good	10.764 \| good	0.977 \| good	11.791 \| good	0.221 \| good
2025-09-09T10:00:00.000Z	27 \| good	5.432 \| good	15.406 \| good	9.21 \| good	0.915 \| good	14.182 \| good	0.235 \| good
2025-09-09T11:00:00.000Z	33 \| good	5.634 \| good	15.387 \| good	8.229 \| good	1.017 \| good	15.578 \| good	0.313 \| good
2025-09-09T12:00:00.000Z	33 \| good	6.016 \| good	15.924 \| good	8.901 \| good	0.924 \| good	17.295 \| good	0.343 \| good
2025-09-09T13:00:00.000Z	33 \| good	6.089 \| good	17.72 \| good	8.523 \| good	0.907 \| good	17.614 \| good	0.343 \| good
2025-09-09T14:00:00.000Z	33 \| good	6.144 \| good	21.53 \| good	11.131 \| good	1.353 \| good	16.19 \| good	0.303 \| good
2025-09-09T15:00:00.000Z	33 \| good	5.823 \| good	22.125 \| good	9.966 \| good	2.078 \| good	16.01 \| good	0.219 \| good
2025-09-09T16:00:00.000Z	27 \| good	5.295 \| good	22.933 \| good	16.13 \| good	1.998 \| good	9.152 \| good	0.204 \| good
2025-09-09T17:00:00.000Z	27 \| good	4.796 \| good	21.394 \| good	20.842 \| good	1.435 \| good	8.322 \| good	0.201 \| good
2025-09-09T18:00:00.000Z	27 \| good	4.504 \| good	19.376 \| good	25.968 \| good	1.083 \| good	6.451 \| good	0.204 \| good
2025-09-09T19:00:00.000Z	29 \| good	4.149 \| good	17.534 \| good	30.613 \| good	0.81 \| good	5.184 \| good	0.201 \| good
2025-09-09T20:00:00.000Z	33 \| good	4.346 \| good	18.61 \| good	36.153 \| good	0.836 \| good	4.949 \| good	0.201 \| good
2025-09-09T21:00:00.000Z	39 \| good	4.445 \| good	18.412 \| good	41.798 \| good	0.945 \| good	3.971 \| good	0.201 \| good
2025-09-09T21:00:00.000Z	39 \| good	4.445 \| good	18.412 \| good	41.798 \| good	0.945 \| good	3.971 \| good	0.201 \| good
2025-09-09T22:00:00.000Z	44 \| good	6.729 \| good	30.097 \| good	47.481 \| good	3.272 \| good	5.768 \| good	0.209 \| good
2025-09-09T23:00:00.000Z	41 \| good	6.174 \| good	27.068 \| good	44.062 \| good	3.452 \| good	8.392 \| good	0.226 \| good
2025-09-10T00:00:00.000Z	54 \| moderate	11.096 \| good	49.453 \| good	33.246 \| good	3.632 \| good	11.015 \| good	0.243 \| good
2025-09-10T01:00:00.000Z	62 \| moderate	15.038 \| fine	68.022 \| fine	26.601 \| good	3.872 \| good	14.978 \| good	0.267 \| good
2025-09-10T02:00:00.000Z	66 \| moderate	16.64 \| fine	74.299 \| fine	23.381 \| good	4.112 \| good	18.94 \| good	0.292 \| good
2025-09-10T03:00:00.000Z	66 \| moderate	16.966 \| fine	76.105 \| fine	15.09 \| good	4.352 \| good	22.902 \| good	0.316 \| good
2025-09-10T04:00:00.000Z	67 \| moderate	17.776 \| fine	78.655 \| fine	10.416 \| good	4.381 \| good	21.352 \| good	0.306 \| good
2025-09-10T05:00:00.000Z	66 \| moderate	17.409 \| fine	76.979 \| fine	10.956 \| good	4.409 \| good	19.801 \| good	0.297 \| good
2025-09-10T06:00:00.000Z	58 \| moderate	12.985 \| fine	59.001 \| fine	15.138 \| good	4.438 \| good	18.25 \| good	0.288 \| good
2025-09-10T07:00:00.000Z	54 \| moderate	10.774 \| good	48.007 \| good	21.743 \| good	4.219 \| good	16.872 \| good	0.278 \| good
2025-09-10T08:00:00.000Z	52 \| moderate	9.684 \| good	43.04 \| good	22.782 \| good	4 \| good	15.493 \| good	0.268 \| good
2025-09-10T09:00:00.000Z	44 \| good	8.423 \| good	37.07 \| good	17.711 \| good	3.781 \| good	14.115 \| good	0.258 \| good
2025-09-10T10:00:00.000Z	44 \| good	8.466 \| good	37.008 \| good	12.777 \| good	3.641 \| good	15.234 \| good	0.264 \| good
2025-09-10T11:00:00.000Z	49 \| good	9.421 \| good	41.853 \| good	6.662 \| good	3.501 \| good	16.353 \| good	0.27 \| good
2025-09-10T12:00:00.000Z	56 \| moderate	12.266 \| fine	54.769 \| good	5.774 \| good	3.361 \| good	17.472 \| good	0.275 \| good
2025-09-10T13:00:00.000Z	64 \| moderate	16.189 \| fine	72.557 \| fine	11.214 \| good	3.521 \| good	16.167 \| good	0.282 \| good
2025-09-10T14:00:00.000Z	64 \| moderate	15.831 \| fine	70.867 \| fine	23.327 \| good	3.68 \| good	14.862 \| good	0.29 \| good
2025-09-10T15:00:00.000Z	60 \| moderate	13.92 \| fine	62.976 \| fine	35.031 \| good	3.84 \| good	13.557 \| good	0.297 \| good
2025-09-10T16:00:00.000Z	56 \| moderate	11.637 \| good	51.476 \| good	42.873 \| good	4.071 \| good	11.01 \| good	0.273 \| good
2025-09-10T17:00:00.000Z	56 \| moderate	11.824 \| good	52.612 \| good	48.236 \| good	4.302 \| good	8.463 \| good	0.248 \| good
2025-09-10T18:00:00.000Z	58 \| moderate	13.251 \| fine	59.321 \| fine	51.634 \| good	4.532 \| good	5.915 \| good	0.224 \| good
2025-09-10T19:00:00.000Z	60 \| moderate	14.238 \| fine	63.176 \| fine	57.175 \| fine	4.311 \| good	5.272 \| good	0.221 \| good
2025-09-10T20:00:00.000Z	67 \| moderate	14.705 \| fine	65.007 \| fine	60.141 \| fine	4.09 \| good	4.628 \| good	0.217 \| good
2025-09-10T21:00:00.000Z	74 \| moderate	13.993 \| fine	62.975 \| fine	61.666 \| fine	3.868 \| good	3.985 \| good	0.214 \| good
2025-09-10T22:00:00.000Z	74 \| moderate	8.492 \| good	37.412 \| good	62.15 \| fine	3.635 \| good	7.599 \| good	0.24 \| good
2025-09-10T23:00:00.000Z	71 \| moderate	6.764 \| good	30.072 \| good	61.372 \| fine	3.402 \| good	11.214 \| good	0.265 \| good
2025-09-11T00:00:00.000Z	87 \| moderate	5.404 \| good	23.175 \| good	65.897 \| fine	3.169 \| good	14.828 \| good	0.291 \| good
2025-09-11T01:00:00.000Z	61 \| moderate	9.773 \| good	43.098 \| good	57.823 \| fine	3.044 \| good	15.311 \| good	0.296 \| good
2025-09-11T02:00:00.000Z	52 \| moderate	9.904 \| good	44.037 \| good	54.631 \| good	2.919 \| good	15.794 \| good	0.3 \| good
2025-09-11T03:00:00.000Z	49 \| good	9.105 \| good	40.832 \| good	49.248 \| good	2.793 \| good	16.277 \| good	0.305 \| good
2025-09-11T04:00:00.000Z	52 \| moderate	9.989 \| good	44.121 \| good	42.638 \| good	2.82 \| good	15.62 \| good	0.297 \| good
2025-09-11T05:00:00.000Z	52 \| moderate	9.884 \| good	43.867 \| good	39.58 \| good	2.846 \| good	14.962 \| good	0.29 \| good
2025-09-11T06:00:00.000Z	56 \| moderate	11.692 \| good	51.93 \| good	39.696 \| good	2.873 \| good	14.305 \| good	0.282 \| good
2025-09-11T07:00:00.000Z	56 \| moderate	12.145 \| fine	54.875 \| good	36.072 \| good	2.884 \| good	14.615 \| good	0.279 \| good
2025-09-11T08:00:00.000Z	60 \| moderate	13.914 \| fine	62.917 \| fine	33.279 \| good	2.896 \| good	14.924 \| good	0.276 \| good
2025-09-11T09:00:00.000Z	60 \| moderate	13.756 \| fine	61.171 \| fine	25.595 \| good	2.907 \| good	15.234 \| good	0.274 \| good
2025-09-11T10:00:00.000Z	52 \| moderate	9.634 \| good	43.075 \| good	26.217 \| good	2.872 \| good	16.647 \| good	0.28 \| good
2025-09-11T11:00:00.000Z	56 \| moderate	11.85 \| good	52.22 \| good	23.472 \| good	2.836 \| good	18.061 \| good	0.286 \| good
2025-09-11T12:00:00.000Z	56 \| moderate	12.075 \| good	54.014 \| good	22.848 \| good	2.801 \| good	19.474 \| good	0.292 \| good
2025-09-11T13:00:00.000Z	60 \| moderate	13.756 \| fine	61.034 \| fine	27.416 \| good	3.069 \| good	15.54 \| good	0.27 \| good
2025-09-11T14:00:00.000Z	56 \| moderate	11.861 \| good	52.24 \| good	33.21 \| good	3.336 \| good	11.605 \| good	0.248 \| good
2025-09-11T15:00:00.000Z	54 \| moderate	11.307 \| good	50.129 \| good	38.473 \| good	3.604 \| good	7.67 \| good	0.227 \| good
2025-09-11T16:00:00.000Z	56 \| moderate	12.057 \| good	54.062 \| good	43.247 \| good	3.166 \| good	5.796 \| good	0.216 \| good
2025-09-11T17:00:00.000Z	58 \| moderate	12.601 \| fine	57.072 \| fine	46.618 \| good	2.728 \| good	3.922 \| good	0.205 \| good
2025-09-11T18:00:00.000Z	56 \| moderate	11.781 \| good	52.435 \| good	47.534 \| good	2.29 \| good	2.048 \| good	0.194 \| good
2025-09-11T19:00:00.000Z	58 \| moderate	12.777 \| fine	57.419 \| fine	50.298 \| good	2.258 \| good	2.082 \| good	0.194 \| good
2025-09-11T20:00:00.000Z	60 \| moderate	14.306 \| fine	63.294 \| fine	52.156 \| good	2.226 \| good	2.116 \| good	0.194 \| good
2025-09-11T21:00:00.000Z	62 \| moderate	14.927 \| fine	66.777 \| fine	53.652 \| good	2.194 \| good	2.15 \| good	0.194 \| good

Northbrook

Get reliable air quality data to drive your business

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

0.20ppm

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 05:00:00 on 2025-09-09.

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 06:00:00 on 2025-09-09.

What is the AQI in Northbrook, Illinois right now?

As of now, the AQI in Northbrook, Illinois is 39, 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 4.445 μg/m³.

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

The PM₁₀ concentration in Northbrook, Illinois is 18.412 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 0.201 ppm.

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

Currently, Northbrook, Illinois has a sulfur dioxide (SO₂) concentration of 0.945 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 41.798 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 3.971 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-07T22:00:00.000Z	26 \| good	2.409 \| good	6.208 \| good	28.419 \| good	1.329 \| good	4.127 \| good	0.244 \| good
2025-09-07T23:00:00.000Z	27 \| good	2.422 \| good	6.239 \| good	29.156 \| good	1.911 \| good	4.02 \| good	0.201 \| good
2025-09-08T00:00:00.000Z	27 \| good	2.422 \| good	6.241 \| good	29.128 \| good	1.773 \| good	4.788 \| good	0.163 \| good
2025-09-08T01:00:00.000Z	27 \| good	2.757 \| good	6.573 \| good	28.934 \| good	1.275 \| good	9.448 \| good	0.179 \| good
2025-09-08T02:00:00.000Z	24 \| good	3.073 \| good	7.332 \| good	26.101 \| good	1.042 \| good	12.608 \| good	0.233 \| good
2025-09-08T03:00:00.000Z	22 \| good	3.521 \| good	9.166 \| good	16.407 \| good	1.834 \| good	15.939 \| good	0.228 \| good
2025-09-08T04:00:00.000Z	22 \| good	3.769 \| good	10.279 \| good	16.407 \| good	1.84 \| good	12.575 \| good	0.265 \| good
2025-09-08T05:00:00.000Z	22 \| good	4.165 \| good	11.154 \| good	13.846 \| good	0.907 \| good	12.054 \| good	0.388 \| good
2025-09-08T06:00:00.000Z	27 \| good	4.504 \| good	11.571 \| good	10.611 \| good	0.883 \| good	12.005 \| good	0.294 \| good
2025-09-08T07:00:00.000Z	27 \| good	4.978 \| good	12.507 \| good	6.74 \| good	0.984 \| good	11.349 \| good	0.246 \| good
2025-09-08T08:00:00.000Z	27 \| good	5.154 \| good	13.254 \| good	3.943 \| good	1.013 \| good	9.641 \| good	0.232 \| good
2025-09-08T09:00:00.000Z	27 \| good	5.309 \| good	13.374 \| good	3.037 \| good	0.982 \| good	8.403 \| good	0.216 \| good
2025-09-08T10:00:00.000Z	27 \| good	5.268 \| good	12.45 \| good	4.035 \| good	0.904 \| good	8.532 \| good	0.231 \| good
2025-09-08T11:00:00.000Z	27 \| good	5.334 \| good	13.616 \| good	2.483 \| good	0.937 \| good	9.74 \| good	0.347 \| good
2025-09-08T12:00:00.000Z	27 \| good	5.494 \| good	14.818 \| good	5.2 \| good	0.868 \| good	10.996 \| good	0.336 \| good
2025-09-08T13:00:00.000Z	27 \| good	5.497 \| good	14.005 \| good	6.571 \| good	0.926 \| good	13.374 \| good	0.399 \| good
2025-09-08T14:00:00.000Z	33 \| good	5.527 \| good	16.44 \| good	10.066 \| good	1.043 \| good	12.702 \| good	0.403 \| good
2025-09-08T15:00:00.000Z	27 \| good	5.284 \| good	17.733 \| good	11.288 \| good	1.127 \| good	8.734 \| good	0.264 \| good
2025-09-08T16:00:00.000Z	27 \| good	5.09 \| good	18.487 \| good	12.955 \| good	0.949 \| good	7.205 \| good	0.225 \| good
2025-09-08T17:00:00.000Z	27 \| good	4.744 \| good	18.672 \| good	16.005 \| good	0.883 \| good	4.966 \| good	0.222 \| good
2025-09-08T18:00:00.000Z	22 \| good	4.338 \| good	16.704 \| good	20.737 \| good	0.805 \| good	4.296 \| good	0.222 \| good
2025-09-08T19:00:00.000Z	23 \| good	4.062 \| good	14.882 \| good	25.294 \| good	0.828 \| good	5.457 \| good	0.225 \| good
2025-09-08T20:00:00.000Z	31 \| good	4.002 \| good	15.066 \| good	34.015 \| good	0.716 \| good	6.643 \| good	0.222 \| good
2025-09-08T21:00:00.000Z	31 \| good	3.997 \| good	14.887 \| good	34.015 \| good	0.794 \| good	4.449 \| good	0.222 \| good
2025-09-08T22:00:00.000Z	34 \| good	3.999 \| good	15.033 \| good	36.696 \| good	0.793 \| good	3.956 \| good	0.225 \| good
2025-09-08T23:00:00.000Z	34 \| good	3.97 \| good	14.054 \| good	37.052 \| good	0.937 \| good	3.303 \| good	0.222 \| good
2025-09-09T00:00:00.000Z	54 \| moderate	10.551 \| good	46.579 \| good	33.699 \| good	1.871 \| good	9.033 \| good	0.243 \| good
2025-09-09T01:00:00.000Z	56 \| moderate	12.087 \| good	55.261 \| fine	24.48 \| good	2.079 \| good	10.778 \| good	0.253 \| good
2025-09-09T02:00:00.000Z	44 \| good	8.278 \| good	36.453 \| good	31.701 \| good	1.969 \| good	11.279 \| good	0.265 \| good
2025-09-09T03:00:00.000Z	38 \| good	7.06 \| good	31.657 \| good	28.772 \| good	2.165 \| good	12.731 \| good	0.274 \| good
2025-09-09T04:00:00.000Z	60 \| moderate	13.793 \| fine	62.223 \| fine	10.213 \| good	2.59 \| good	14.204 \| good	0.274 \| good
2025-09-09T05:00:00.000Z	62 \| moderate	15.233 \| fine	68.287 \| fine	3.24 \| good	2.684 \| good	14.14 \| good	0.274 \| good
2025-09-09T06:00:00.000Z	60 \| moderate	14.447 \| fine	64.465 \| fine	6.247 \| good	2.778 \| good	14.077 \| good	0.274 \| good
2025-09-09T07:00:00.000Z	54 \| moderate	10.645 \| good	47.537 \| good	18.896 \| good	2.146 \| good	11.08 \| good	0.259 \| good
2025-09-09T08:00:00.000Z	27 \| good	5.417 \| good	16.185 \| good	11.459 \| good	0.947 \| good	16.151 \| good	0.235 \| good
2025-09-09T09:00:00.000Z	27 \| good	5.37 \| good	15.528 \| good	10.764 \| good	0.977 \| good	11.791 \| good	0.221 \| good
2025-09-09T10:00:00.000Z	27 \| good	5.432 \| good	15.406 \| good	9.21 \| good	0.915 \| good	14.182 \| good	0.235 \| good
2025-09-09T11:00:00.000Z	33 \| good	5.634 \| good	15.387 \| good	8.229 \| good	1.017 \| good	15.578 \| good	0.313 \| good
2025-09-09T12:00:00.000Z	33 \| good	6.016 \| good	15.924 \| good	8.901 \| good	0.924 \| good	17.295 \| good	0.343 \| good
2025-09-09T13:00:00.000Z	33 \| good	6.089 \| good	17.72 \| good	8.523 \| good	0.907 \| good	17.614 \| good	0.343 \| good
2025-09-09T14:00:00.000Z	33 \| good	6.144 \| good	21.53 \| good	11.131 \| good	1.353 \| good	16.19 \| good	0.303 \| good
2025-09-09T15:00:00.000Z	33 \| good	5.823 \| good	22.125 \| good	9.966 \| good	2.078 \| good	16.01 \| good	0.219 \| good
2025-09-09T16:00:00.000Z	27 \| good	5.295 \| good	22.933 \| good	16.13 \| good	1.998 \| good	9.152 \| good	0.204 \| good
2025-09-09T17:00:00.000Z	27 \| good	4.796 \| good	21.394 \| good	20.842 \| good	1.435 \| good	8.322 \| good	0.201 \| good
2025-09-09T18:00:00.000Z	27 \| good	4.504 \| good	19.376 \| good	25.968 \| good	1.083 \| good	6.451 \| good	0.204 \| good
2025-09-09T19:00:00.000Z	29 \| good	4.149 \| good	17.534 \| good	30.613 \| good	0.81 \| good	5.184 \| good	0.201 \| good
2025-09-09T20:00:00.000Z	33 \| good	4.346 \| good	18.61 \| good	36.153 \| good	0.836 \| good	4.949 \| good	0.201 \| good
2025-09-09T21:00:00.000Z	39 \| good	4.445 \| good	18.412 \| good	41.798 \| good	0.945 \| good	3.971 \| good	0.201 \| good
2025-09-09T21:00:00.000Z	39 \| good	4.445 \| good	18.412 \| good	41.798 \| good	0.945 \| good	3.971 \| good	0.201 \| good
2025-09-09T22:00:00.000Z	44 \| good	6.729 \| good	30.097 \| good	47.481 \| good	3.272 \| good	5.768 \| good	0.209 \| good
2025-09-09T23:00:00.000Z	41 \| good	6.174 \| good	27.068 \| good	44.062 \| good	3.452 \| good	8.392 \| good	0.226 \| good
2025-09-10T00:00:00.000Z	54 \| moderate	11.096 \| good	49.453 \| good	33.246 \| good	3.632 \| good	11.015 \| good	0.243 \| good
2025-09-10T01:00:00.000Z	62 \| moderate	15.038 \| fine	68.022 \| fine	26.601 \| good	3.872 \| good	14.978 \| good	0.267 \| good
2025-09-10T02:00:00.000Z	66 \| moderate	16.64 \| fine	74.299 \| fine	23.381 \| good	4.112 \| good	18.94 \| good	0.292 \| good
2025-09-10T03:00:00.000Z	66 \| moderate	16.966 \| fine	76.105 \| fine	15.09 \| good	4.352 \| good	22.902 \| good	0.316 \| good
2025-09-10T04:00:00.000Z	67 \| moderate	17.776 \| fine	78.655 \| fine	10.416 \| good	4.381 \| good	21.352 \| good	0.306 \| good
2025-09-10T05:00:00.000Z	66 \| moderate	17.409 \| fine	76.979 \| fine	10.956 \| good	4.409 \| good	19.801 \| good	0.297 \| good
2025-09-10T06:00:00.000Z	58 \| moderate	12.985 \| fine	59.001 \| fine	15.138 \| good	4.438 \| good	18.25 \| good	0.288 \| good
2025-09-10T07:00:00.000Z	54 \| moderate	10.774 \| good	48.007 \| good	21.743 \| good	4.219 \| good	16.872 \| good	0.278 \| good
2025-09-10T08:00:00.000Z	52 \| moderate	9.684 \| good	43.04 \| good	22.782 \| good	4 \| good	15.493 \| good	0.268 \| good
2025-09-10T09:00:00.000Z	44 \| good	8.423 \| good	37.07 \| good	17.711 \| good	3.781 \| good	14.115 \| good	0.258 \| good
2025-09-10T10:00:00.000Z	44 \| good	8.466 \| good	37.008 \| good	12.777 \| good	3.641 \| good	15.234 \| good	0.264 \| good
2025-09-10T11:00:00.000Z	49 \| good	9.421 \| good	41.853 \| good	6.662 \| good	3.501 \| good	16.353 \| good	0.27 \| good
2025-09-10T12:00:00.000Z	56 \| moderate	12.266 \| fine	54.769 \| good	5.774 \| good	3.361 \| good	17.472 \| good	0.275 \| good
2025-09-10T13:00:00.000Z	64 \| moderate	16.189 \| fine	72.557 \| fine	11.214 \| good	3.521 \| good	16.167 \| good	0.282 \| good
2025-09-10T14:00:00.000Z	64 \| moderate	15.831 \| fine	70.867 \| fine	23.327 \| good	3.68 \| good	14.862 \| good	0.29 \| good
2025-09-10T15:00:00.000Z	60 \| moderate	13.92 \| fine	62.976 \| fine	35.031 \| good	3.84 \| good	13.557 \| good	0.297 \| good
2025-09-10T16:00:00.000Z	56 \| moderate	11.637 \| good	51.476 \| good	42.873 \| good	4.071 \| good	11.01 \| good	0.273 \| good
2025-09-10T17:00:00.000Z	56 \| moderate	11.824 \| good	52.612 \| good	48.236 \| good	4.302 \| good	8.463 \| good	0.248 \| good
2025-09-10T18:00:00.000Z	58 \| moderate	13.251 \| fine	59.321 \| fine	51.634 \| good	4.532 \| good	5.915 \| good	0.224 \| good
2025-09-10T19:00:00.000Z	60 \| moderate	14.238 \| fine	63.176 \| fine	57.175 \| fine	4.311 \| good	5.272 \| good	0.221 \| good
2025-09-10T20:00:00.000Z	67 \| moderate	14.705 \| fine	65.007 \| fine	60.141 \| fine	4.09 \| good	4.628 \| good	0.217 \| good
2025-09-10T21:00:00.000Z	74 \| moderate	13.993 \| fine	62.975 \| fine	61.666 \| fine	3.868 \| good	3.985 \| good	0.214 \| good
2025-09-10T22:00:00.000Z	74 \| moderate	8.492 \| good	37.412 \| good	62.15 \| fine	3.635 \| good	7.599 \| good	0.24 \| good
2025-09-10T23:00:00.000Z	71 \| moderate	6.764 \| good	30.072 \| good	61.372 \| fine	3.402 \| good	11.214 \| good	0.265 \| good
2025-09-11T00:00:00.000Z	87 \| moderate	5.404 \| good	23.175 \| good	65.897 \| fine	3.169 \| good	14.828 \| good	0.291 \| good
2025-09-11T01:00:00.000Z	61 \| moderate	9.773 \| good	43.098 \| good	57.823 \| fine	3.044 \| good	15.311 \| good	0.296 \| good
2025-09-11T02:00:00.000Z	52 \| moderate	9.904 \| good	44.037 \| good	54.631 \| good	2.919 \| good	15.794 \| good	0.3 \| good
2025-09-11T03:00:00.000Z	49 \| good	9.105 \| good	40.832 \| good	49.248 \| good	2.793 \| good	16.277 \| good	0.305 \| good
2025-09-11T04:00:00.000Z	52 \| moderate	9.989 \| good	44.121 \| good	42.638 \| good	2.82 \| good	15.62 \| good	0.297 \| good
2025-09-11T05:00:00.000Z	52 \| moderate	9.884 \| good	43.867 \| good	39.58 \| good	2.846 \| good	14.962 \| good	0.29 \| good
2025-09-11T06:00:00.000Z	56 \| moderate	11.692 \| good	51.93 \| good	39.696 \| good	2.873 \| good	14.305 \| good	0.282 \| good
2025-09-11T07:00:00.000Z	56 \| moderate	12.145 \| fine	54.875 \| good	36.072 \| good	2.884 \| good	14.615 \| good	0.279 \| good
2025-09-11T08:00:00.000Z	60 \| moderate	13.914 \| fine	62.917 \| fine	33.279 \| good	2.896 \| good	14.924 \| good	0.276 \| good
2025-09-11T09:00:00.000Z	60 \| moderate	13.756 \| fine	61.171 \| fine	25.595 \| good	2.907 \| good	15.234 \| good	0.274 \| good
2025-09-11T10:00:00.000Z	52 \| moderate	9.634 \| good	43.075 \| good	26.217 \| good	2.872 \| good	16.647 \| good	0.28 \| good
2025-09-11T11:00:00.000Z	56 \| moderate	11.85 \| good	52.22 \| good	23.472 \| good	2.836 \| good	18.061 \| good	0.286 \| good
2025-09-11T12:00:00.000Z	56 \| moderate	12.075 \| good	54.014 \| good	22.848 \| good	2.801 \| good	19.474 \| good	0.292 \| good
2025-09-11T13:00:00.000Z	60 \| moderate	13.756 \| fine	61.034 \| fine	27.416 \| good	3.069 \| good	15.54 \| good	0.27 \| good
2025-09-11T14:00:00.000Z	56 \| moderate	11.861 \| good	52.24 \| good	33.21 \| good	3.336 \| good	11.605 \| good	0.248 \| good
2025-09-11T15:00:00.000Z	54 \| moderate	11.307 \| good	50.129 \| good	38.473 \| good	3.604 \| good	7.67 \| good	0.227 \| good
2025-09-11T16:00:00.000Z	56 \| moderate	12.057 \| good	54.062 \| good	43.247 \| good	3.166 \| good	5.796 \| good	0.216 \| good
2025-09-11T17:00:00.000Z	58 \| moderate	12.601 \| fine	57.072 \| fine	46.618 \| good	2.728 \| good	3.922 \| good	0.205 \| good
2025-09-11T18:00:00.000Z	56 \| moderate	11.781 \| good	52.435 \| good	47.534 \| good	2.29 \| good	2.048 \| good	0.194 \| good
2025-09-11T19:00:00.000Z	58 \| moderate	12.777 \| fine	57.419 \| fine	50.298 \| good	2.258 \| good	2.082 \| good	0.194 \| good
2025-09-11T20:00:00.000Z	60 \| moderate	14.306 \| fine	63.294 \| fine	52.156 \| good	2.226 \| good	2.116 \| good	0.194 \| good
2025-09-11T21:00:00.000Z	62 \| moderate	14.927 \| fine	66.777 \| fine	53.652 \| good	2.194 \| good	2.15 \| good	0.194 \| 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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