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

The PM10 concentration in Northbrook, Illinois is 92.112 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 0.221 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 48.638 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 2.841 ppb.

Real-time 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)

Moderate

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)

21.32 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

92.11 μg/m³

155

255

425

605+

Ozone (O₃)

48.64 ppb

201

201+

Sulfur Dioxide (SO₂)

0.22 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.84 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 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
2025-06-05T11:00:00.000Z	129 \| sensitive	46.871 \| moderate	208.078 \| moderate	10.45 \| good	0.375 \| good	16.352 \| good	0.575 \| good
2025-06-05T12:00:00.000Z	119 \| sensitive	42.729 \| moderate	190.009 \| moderate	14.163 \| good	0.328 \| good	16.574 \| good	0.574 \| good
2025-06-05T13:00:00.000Z	119 \| sensitive	42.568 \| moderate	190.173 \| moderate	19.727 \| good	0.419 \| good	10.083 \| good	0.498 \| good
2025-06-05T14:00:00.000Z	117 \| sensitive	41.73 \| moderate	182.322 \| moderate	25.429 \| good	0.35 \| good	6.449 \| good	0.41 \| good
2025-06-05T15:00:00.000Z	108 \| sensitive	38.453 \| moderate	169.266 \| moderate	28.502 \| good	0.309 \| good	4.421 \| good	0.394 \| good
2025-06-05T16:00:00.000Z	122 \| sensitive	43.794 \| moderate	193.455 \| moderate	33.804 \| good	0.711 \| good	3.471 \| good	0.393 \| good
2025-06-05T17:00:00.000Z	144 \| sensitive	52.983 \| moderate	234.92 \| moderate	40.939 \| good	2.644 \| good	3.353 \| good	0.377 \| good
2025-06-05T18:00:00.000Z	153 \| unhealthy	57.913 \| poor	253.018 \| moderate	40.939 \| good	1.24 \| good	3.137 \| good	0.362 \| good
2025-06-05T19:00:00.000Z	156 \| unhealthy	61.632 \| poor	258.689 \| poor	46.176 \| good	1.342 \| good	1.382 \| good	0.308 \| good
2025-06-05T20:00:00.000Z	155 \| unhealthy	61.389 \| poor	256.267 \| poor	50.139 \| good	0.976 \| good	2.955 \| good	0.293 \| good
2025-06-05T21:00:00.000Z	156 \| unhealthy	62.225 \| poor	257.074 \| poor	54.829 \| good	0.979 \| good	3.095 \| good	0.268 \| good
2025-06-05T22:00:00.000Z	153 \| unhealthy	57.902 \| poor	253.476 \| moderate	54.955 \| good	0.471 \| good	5.29 \| good	0.268 \| good
2025-06-05T23:00:00.000Z	142 \| sensitive	51.906 \| moderate	225.07 \| moderate	55.097 \| fine	0.408 \| good	5.328 \| good	0.252 \| good
2025-06-06T00:00:00.000Z	134 \| sensitive	48.815 \| moderate	212.322 \| moderate	55.173 \| fine	0.829 \| good	5.596 \| good	0.263 \| good
2025-06-06T01:00:00.000Z	134 \| sensitive	48.546 \| moderate	215.011 \| moderate	51.497 \| good	1.17 \| good	6.88 \| good	0.263 \| good
2025-06-06T02:00:00.000Z	132 \| sensitive	48.466 \| moderate	218.022 \| moderate	49.506 \| good	1.726 \| good	6.49 \| good	0.274 \| good
2025-06-06T03:00:00.000Z	129 \| sensitive	47.185 \| moderate	210.156 \| moderate	45.222 \| good	1.888 \| good	5.454 \| good	0.29 \| good
2025-06-06T04:00:00.000Z	122 \| sensitive	43.917 \| moderate	192.671 \| moderate	45.222 \| good	1.699 \| good	3.491 \| good	0.279 \| good
2025-06-06T05:00:00.000Z	115 \| sensitive	40.713 \| moderate	178.236 \| moderate	44.02 \| good	0.979 \| good	5.572 \| good	0.332 \| good
2025-06-06T06:00:00.000Z	102 \| sensitive	36.001 \| moderate	155.831 \| moderate	40.455 \| good	0.832 \| good	11.722 \| good	0.346 \| good
2025-06-06T07:00:00.000Z	96 \| moderate	33.301 \| fine	145.034 \| fine	40.455 \| good	0.383 \| good	10.355 \| good	0.317 \| good
2025-06-06T08:00:00.000Z	96 \| moderate	32.539 \| fine	139.122 \| fine	43.805 \| good	0.318 \| good	10.149 \| good	0.328 \| good
2025-06-06T09:00:00.000Z	94 \| moderate	32.215 \| fine	139.467 \| fine	43.529 \| good	0.336 \| good	13.61 \| good	0.328 \| good
2025-06-06T10:00:00.000Z	92 \| moderate	31.395 \| fine	134.783 \| fine	42.568 \| good	1.105 \| good	13.572 \| good	0.328 \| good
2025-06-06T11:00:00.000Z	92 \| moderate	30.901 \| fine	133.339 \| fine	41.091 \| good	0.333 \| good	12.697 \| good	0.37 \| good
2025-06-06T12:00:00.000Z	90 \| moderate	30.351 \| fine	130.91 \| fine	42.394 \| good	0.372 \| good	8.45 \| good	0.358 \| good
2025-06-06T13:00:00.000Z	90 \| moderate	29.694 \| fine	129.803 \| fine	42.65 \| good	0.393 \| good	6.911 \| good	0.32 \| good
2025-06-06T14:00:00.000Z	90 \| moderate	29.561 \| fine	126.474 \| fine	43.145 \| good	0.388 \| good	13.975 \| good	0.45 \| good
2025-06-06T15:00:00.000Z	88 \| moderate	29.168 \| fine	124.814 \| fine	44.023 \| good	0.387 \| good	9.449 \| good	0.354 \| good
2025-06-06T16:00:00.000Z	88 \| moderate	29.19 \| fine	125.799 \| fine	44.023 \| good	0.805 \| good	3.08 \| good	0.267 \| good
2025-06-06T17:00:00.000Z	88 \| moderate	29.416 \| fine	128.35 \| fine	45.519 \| good	0.695 \| good	3.117 \| good	0.256 \| good
2025-06-06T18:00:00.000Z	88 \| moderate	28.915 \| fine	123.635 \| fine	46.562 \| good	0.433 \| good	2.088 \| good	0.256 \| good
2025-06-06T19:00:00.000Z	88 \| moderate	29.102 \| fine	125.431 \| fine	52.294 \| good	1.029 \| good	2.604 \| good	0.231 \| good
2025-06-06T20:00:00.000Z	92 \| moderate	31.032 \| fine	131.89 \| fine	54.576 \| good	0.497 \| good	2.167 \| good	0.231 \| good
2025-06-06T21:00:00.000Z	102 \| sensitive	36.15 \| moderate	154.76 \| fine	56.526 \| fine	0.423 \| good	2.134 \| good	0.231 \| good
2025-06-06T22:00:00.000Z	110 \| sensitive	39.38 \| moderate	171.517 \| moderate	59.733 \| fine	0.401 \| good	5.789 \| good	0.215 \| good
2025-06-06T23:00:00.000Z	100 \| moderate	35.2 \| fine	153.353 \| fine	61.807 \| fine	0.48 \| good	7.7 \| good	0.215 \| good
2025-06-07T00:00:00.000Z	90 \| moderate	30.185 \| fine	130.699 \| fine	64.381 \| fine	0.491 \| good	6.433 \| good	0.253 \| good
2025-06-07T01:00:00.000Z	84 \| moderate	27.485 \| fine	116.857 \| fine	62.074 \| fine	1.242 \| good	6.923 \| good	0.254 \| good
2025-06-07T02:00:00.000Z	82 \| moderate	26.103 \| fine	112.508 \| fine	62.162 \| fine	0.991 \| good	9.491 \| good	0.254 \| good
2025-06-07T03:00:00.000Z	81 \| moderate	24.781 \| fine	108.607 \| fine	59.851 \| fine	0.868 \| good	9.107 \| good	0.279 \| good
2025-06-07T04:00:00.000Z	77 \| moderate	23.062 \| fine	101.021 \| fine	59.851 \| fine	0.777 \| good	6.629 \| good	0.265 \| good
2025-06-07T05:00:00.000Z	75 \| moderate	21.811 \| fine	96.165 \| fine	54.014 \| good	0.433 \| good	3.493 \| good	0.265 \| good
2025-06-07T06:00:00.000Z	73 \| moderate	20.833 \| fine	91.056 \| fine	54.014 \| good	0.322 \| good	4.872 \| good	0.265 \| good
2025-06-07T07:00:00.000Z	71 \| moderate	20.32 \| fine	89.45 \| fine	52.973 \| good	0.321 \| good	5.881 \| good	0.265 \| good
2025-06-07T08:00:00.000Z	71 \| moderate	20.388 \| fine	90.241 \| fine	53.146 \| good	0.295 \| good	5.338 \| good	0.241 \| good
2025-06-07T09:00:00.000Z	73 \| moderate	21.058 \| fine	92.093 \| fine	51.657 \| good	0.274 \| good	3.475 \| good	0.258 \| good
2025-06-07T10:00:00.000Z	73 \| moderate	21.323 \| fine	92.112 \| fine	48.638 \| good	0.221 \| good	2.841 \| good	0.258 \| good
2025-06-07T10:00:00.000Z	73 \| moderate	21.323 \| fine	92.112 \| fine	48.638 \| good	0.221 \| good	2.841 \| good	0.258 \| good
2025-06-07T11:00:00.000Z	60 \| moderate	14.152 \| fine	63.237 \| fine	27.145 \| good	0.794 \| good	6.021 \| good	0.22 \| good
2025-06-07T12:00:00.000Z	60 \| moderate	14.193 \| fine	63.162 \| fine	27.719 \| good	0.761 \| good	6.11 \| good	0.221 \| good
2025-06-07T13:00:00.000Z	56 \| moderate	12.436 \| fine	55.578 \| fine	25.387 \| good	1.218 \| good	4.64 \| good	0.208 \| good
2025-06-07T14:00:00.000Z	56 \| moderate	11.651 \| good	51.552 \| good	28.198 \| good	1.154 \| good	4.851 \| good	0.21 \| good
2025-06-07T15:00:00.000Z	52 \| moderate	10.408 \| good	46.338 \| good	31.638 \| good	1.089 \| good	5.062 \| good	0.211 \| good
2025-06-07T16:00:00.000Z	58 \| moderate	12.846 \| fine	57.179 \| fine	35.225 \| good	1.095 \| good	2.855 \| good	0.188 \| good
2025-06-07T17:00:00.000Z	60 \| moderate	14.4 \| fine	64.79 \| fine	39.459 \| good	1.121 \| good	3.215 \| good	0.194 \| good
2025-06-07T18:00:00.000Z	60 \| moderate	14.101 \| fine	62.988 \| fine	40.412 \| good	1.148 \| good	3.575 \| good	0.2 \| good
2025-06-07T19:00:00.000Z	49 \| good	9.389 \| good	41.918 \| good	39.557 \| good	1.128 \| good	3.92 \| good	0.199 \| good
2025-06-07T20:00:00.000Z	44 \| good	8.207 \| good	36.15 \| good	39.045 \| good	1.156 \| good	4.512 \| good	0.207 \| good
2025-06-07T21:00:00.000Z	44 \| good	7.786 \| good	34.077 \| good	40.318 \| good	1.183 \| good	5.104 \| good	0.214 \| good
2025-06-07T22:00:00.000Z	44 \| good	8.13 \| good	35.947 \| good	42.708 \| good	1.274 \| good	11.833 \| good	0.257 \| good
2025-06-07T23:00:00.000Z	52 \| moderate	9.887 \| good	43.6 \| good	41.552 \| good	1.231 \| good	12.662 \| good	0.264 \| good
2025-06-08T00:00:00.000Z	38 \| good	7.302 \| good	31.809 \| good	35.728 \| good	1.188 \| good	13.492 \| good	0.271 \| good
2025-06-08T01:00:00.000Z	52 \| moderate	9.916 \| good	43.96 \| good	33.769 \| good	1.35 \| good	14.005 \| good	0.265 \| good
2025-06-08T02:00:00.000Z	56 \| moderate	12.242 \| fine	54.917 \| good	35.035 \| good	1.251 \| good	13.862 \| good	0.262 \| good
2025-06-08T03:00:00.000Z	58 \| moderate	13.132 \| fine	58.939 \| fine	33.266 \| good	1.152 \| good	13.718 \| good	0.26 \| good
2025-06-08T04:00:00.000Z	49 \| good	8.794 \| good	38.793 \| good	33.442 \| good	1.519 \| good	15.665 \| good	0.269 \| good
2025-06-08T05:00:00.000Z	38 \| good	7.427 \| good	32.874 \| good	33.371 \| good	1.404 \| good	15.289 \| good	0.264 \| good
2025-06-08T06:00:00.000Z	38 \| good	7.112 \| good	31.263 \| good	34.517 \| good	1.289 \| good	14.912 \| good	0.258 \| good
2025-06-08T07:00:00.000Z	33 \| good	6.057 \| good	27.134 \| good	30.978 \| good	1.925 \| good	16.174 \| good	0.259 \| good
2025-06-08T08:00:00.000Z	27 \| good	5.045 \| good	21.305 \| good	28.904 \| good	1.83 \| good	15.667 \| good	0.253 \| good
2025-06-08T09:00:00.000Z	33 \| good	6.472 \| good	29.039 \| good	22.457 \| good	1.735 \| good	15.159 \| good	0.247 \| good
2025-06-08T10:00:00.000Z	21 \| good	2.351 \| good	9.328 \| good	22.602 \| good	2.404 \| good	13.921 \| good	0.263 \| good
2025-06-08T11:00:00.000Z	24 \| good	3.401 \| good	15.037 \| good	25.805 \| good	2.341 \| good	13.833 \| good	0.257 \| good
2025-06-08T12:00:00.000Z	33 \| good	6.453 \| good	28.953 \| good	28.058 \| good	2.278 \| good	13.744 \| good	0.251 \| good
2025-06-08T13:00:00.000Z	26 \| good	3.816 \| good	16.248 \| good	28.058 \| good	2.534 \| good	6.509 \| good	0.252 \| good
2025-06-08T14:00:00.000Z	31 \| good	2.537 \| good	10.326 \| good	34.227 \| good	2.916 \| good	7.646 \| good	0.263 \| good
2025-06-08T15:00:00.000Z	40 \| good	2.831 \| good	11.346 \| good	43.219 \| good	3.297 \| good	8.782 \| good	0.273 \| good
2025-06-08T16:00:00.000Z	48 \| good	6.574 \| good	29.064 \| good	52.177 \| good	1.089 \| good	2.475 \| good	0.204 \| good
2025-06-08T17:00:00.000Z	51 \| moderate	8.15 \| good	36.059 \| good	55.158 \| fine	1.437 \| good	3.167 \| good	0.219 \| good
2025-06-08T18:00:00.000Z	49 \| good	8.724 \| good	38.139 \| good	44.894 \| good	1.786 \| good	3.859 \| good	0.233 \| good
2025-06-08T19:00:00.000Z	30 \| good	5.393 \| good	23.124 \| good	31.788 \| good	0.614 \| good	2.281 \| good	0.179 \| good
2025-06-08T20:00:00.000Z	28 \| good	3.28 \| good	14.208 \| good	30.315 \| good	0.812 \| good	2.77 \| good	0.189 \| good
2025-06-08T21:00:00.000Z	34 \| good	2.691 \| good	11.088 \| good	37.239 \| good	1.01 \| good	3.259 \| good	0.2 \| good
2025-06-08T22:00:00.000Z	36 \| good	1.692 \| good	7.007 \| good	39.39 \| good	0.516 \| good	4.89 \| good	0.184 \| good
2025-06-08T23:00:00.000Z	39 \| good	6.106 \| good	26.896 \| good	41.934 \| good	0.64 \| good	5.788 \| good	0.192 \| good
2025-06-09T00:00:00.000Z	36 \| good	1.88 \| good	8.031 \| good	38.642 \| good	0.765 \| good	6.685 \| good	0.2 \| good
2025-06-09T01:00:00.000Z	54 \| moderate	10.846 \| good	47.881 \| good	33.629 \| good	0.766 \| good	8.279 \| good	0.196 \| good
2025-06-09T02:00:00.000Z	54 \| moderate	11.472 \| good	50.874 \| good	23.978 \| good	0.889 \| good	8.748 \| good	0.197 \| good
2025-06-09T03:00:00.000Z	52 \| moderate	10.342 \| good	46.035 \| good	23.947 \| good	1.012 \| good	9.218 \| good	0.199 \| good
2025-06-09T04:00:00.000Z	27 \| good	5.381 \| good	23.063 \| good	26.397 \| good	0.621 \| good	6.92 \| good	0.181 \| good
2025-06-09T05:00:00.000Z	20 \| good	1.967 \| good	8.127 \| good	22.38 \| good	0.733 \| good	7.365 \| good	0.185 \| good
2025-06-09T06:00:00.000Z	49 \| good	9.485 \| good	9.718 \| good	32.446 \| good	0.864 \| good	7.774 \| good	0.188 \| good
2025-06-09T07:00:00.000Z	15 \| good	2.492 \| good	10.08 \| good	16.384 \| good	0.695 \| good	9.746 \| good	0.178 \| good
2025-06-09T08:00:00.000Z	16 \| good	2.762 \| good	11.138 \| good	15.136 \| good	0.796 \| good	9.785 \| good	0.18 \| good
2025-06-09T09:00:00.000Z	16 \| good	2.845 \| good	12.043 \| good	13.411 \| good	0.897 \| good	9.823 \| good	0.181 \| good
2025-06-09T10:00:00.000Z	8 \| good	0.802 \| good	2.973 \| good	7.563 \| good	0.947 \| good	7.674 \| 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

0.26ppm

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 10:00:00 on 2025-06-06.

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 08:00:00 on 2025-06-07.

What is the AQI in Northbrook, Illinois right now?

As of now, the AQI in Northbrook, Illinois is 73, indicating Moderate conditions.

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

Northbrook, Illinois air has the highest levels of PM2.5.

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 21.323 μg/m³.

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

The PM₁₀ concentration in Northbrook, Illinois is 92.112 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 0.258 ppm.

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

Currently, Northbrook, Illinois has a sulfur dioxide (SO₂) concentration of 0.221 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 48.638 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 2.841 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-05T11:00:00.000Z	129 \| sensitive	46.871 \| moderate	208.078 \| moderate	10.45 \| good	0.375 \| good	16.352 \| good	0.575 \| good
2025-06-05T12:00:00.000Z	119 \| sensitive	42.729 \| moderate	190.009 \| moderate	14.163 \| good	0.328 \| good	16.574 \| good	0.574 \| good
2025-06-05T13:00:00.000Z	119 \| sensitive	42.568 \| moderate	190.173 \| moderate	19.727 \| good	0.419 \| good	10.083 \| good	0.498 \| good
2025-06-05T14:00:00.000Z	117 \| sensitive	41.73 \| moderate	182.322 \| moderate	25.429 \| good	0.35 \| good	6.449 \| good	0.41 \| good
2025-06-05T15:00:00.000Z	108 \| sensitive	38.453 \| moderate	169.266 \| moderate	28.502 \| good	0.309 \| good	4.421 \| good	0.394 \| good
2025-06-05T16:00:00.000Z	122 \| sensitive	43.794 \| moderate	193.455 \| moderate	33.804 \| good	0.711 \| good	3.471 \| good	0.393 \| good
2025-06-05T17:00:00.000Z	144 \| sensitive	52.983 \| moderate	234.92 \| moderate	40.939 \| good	2.644 \| good	3.353 \| good	0.377 \| good
2025-06-05T18:00:00.000Z	153 \| unhealthy	57.913 \| poor	253.018 \| moderate	40.939 \| good	1.24 \| good	3.137 \| good	0.362 \| good
2025-06-05T19:00:00.000Z	156 \| unhealthy	61.632 \| poor	258.689 \| poor	46.176 \| good	1.342 \| good	1.382 \| good	0.308 \| good
2025-06-05T20:00:00.000Z	155 \| unhealthy	61.389 \| poor	256.267 \| poor	50.139 \| good	0.976 \| good	2.955 \| good	0.293 \| good
2025-06-05T21:00:00.000Z	156 \| unhealthy	62.225 \| poor	257.074 \| poor	54.829 \| good	0.979 \| good	3.095 \| good	0.268 \| good
2025-06-05T22:00:00.000Z	153 \| unhealthy	57.902 \| poor	253.476 \| moderate	54.955 \| good	0.471 \| good	5.29 \| good	0.268 \| good
2025-06-05T23:00:00.000Z	142 \| sensitive	51.906 \| moderate	225.07 \| moderate	55.097 \| fine	0.408 \| good	5.328 \| good	0.252 \| good
2025-06-06T00:00:00.000Z	134 \| sensitive	48.815 \| moderate	212.322 \| moderate	55.173 \| fine	0.829 \| good	5.596 \| good	0.263 \| good
2025-06-06T01:00:00.000Z	134 \| sensitive	48.546 \| moderate	215.011 \| moderate	51.497 \| good	1.17 \| good	6.88 \| good	0.263 \| good
2025-06-06T02:00:00.000Z	132 \| sensitive	48.466 \| moderate	218.022 \| moderate	49.506 \| good	1.726 \| good	6.49 \| good	0.274 \| good
2025-06-06T03:00:00.000Z	129 \| sensitive	47.185 \| moderate	210.156 \| moderate	45.222 \| good	1.888 \| good	5.454 \| good	0.29 \| good
2025-06-06T04:00:00.000Z	122 \| sensitive	43.917 \| moderate	192.671 \| moderate	45.222 \| good	1.699 \| good	3.491 \| good	0.279 \| good
2025-06-06T05:00:00.000Z	115 \| sensitive	40.713 \| moderate	178.236 \| moderate	44.02 \| good	0.979 \| good	5.572 \| good	0.332 \| good
2025-06-06T06:00:00.000Z	102 \| sensitive	36.001 \| moderate	155.831 \| moderate	40.455 \| good	0.832 \| good	11.722 \| good	0.346 \| good
2025-06-06T07:00:00.000Z	96 \| moderate	33.301 \| fine	145.034 \| fine	40.455 \| good	0.383 \| good	10.355 \| good	0.317 \| good
2025-06-06T08:00:00.000Z	96 \| moderate	32.539 \| fine	139.122 \| fine	43.805 \| good	0.318 \| good	10.149 \| good	0.328 \| good
2025-06-06T09:00:00.000Z	94 \| moderate	32.215 \| fine	139.467 \| fine	43.529 \| good	0.336 \| good	13.61 \| good	0.328 \| good
2025-06-06T10:00:00.000Z	92 \| moderate	31.395 \| fine	134.783 \| fine	42.568 \| good	1.105 \| good	13.572 \| good	0.328 \| good
2025-06-06T11:00:00.000Z	92 \| moderate	30.901 \| fine	133.339 \| fine	41.091 \| good	0.333 \| good	12.697 \| good	0.37 \| good
2025-06-06T12:00:00.000Z	90 \| moderate	30.351 \| fine	130.91 \| fine	42.394 \| good	0.372 \| good	8.45 \| good	0.358 \| good
2025-06-06T13:00:00.000Z	90 \| moderate	29.694 \| fine	129.803 \| fine	42.65 \| good	0.393 \| good	6.911 \| good	0.32 \| good
2025-06-06T14:00:00.000Z	90 \| moderate	29.561 \| fine	126.474 \| fine	43.145 \| good	0.388 \| good	13.975 \| good	0.45 \| good
2025-06-06T15:00:00.000Z	88 \| moderate	29.168 \| fine	124.814 \| fine	44.023 \| good	0.387 \| good	9.449 \| good	0.354 \| good
2025-06-06T16:00:00.000Z	88 \| moderate	29.19 \| fine	125.799 \| fine	44.023 \| good	0.805 \| good	3.08 \| good	0.267 \| good
2025-06-06T17:00:00.000Z	88 \| moderate	29.416 \| fine	128.35 \| fine	45.519 \| good	0.695 \| good	3.117 \| good	0.256 \| good
2025-06-06T18:00:00.000Z	88 \| moderate	28.915 \| fine	123.635 \| fine	46.562 \| good	0.433 \| good	2.088 \| good	0.256 \| good
2025-06-06T19:00:00.000Z	88 \| moderate	29.102 \| fine	125.431 \| fine	52.294 \| good	1.029 \| good	2.604 \| good	0.231 \| good
2025-06-06T20:00:00.000Z	92 \| moderate	31.032 \| fine	131.89 \| fine	54.576 \| good	0.497 \| good	2.167 \| good	0.231 \| good
2025-06-06T21:00:00.000Z	102 \| sensitive	36.15 \| moderate	154.76 \| fine	56.526 \| fine	0.423 \| good	2.134 \| good	0.231 \| good
2025-06-06T22:00:00.000Z	110 \| sensitive	39.38 \| moderate	171.517 \| moderate	59.733 \| fine	0.401 \| good	5.789 \| good	0.215 \| good
2025-06-06T23:00:00.000Z	100 \| moderate	35.2 \| fine	153.353 \| fine	61.807 \| fine	0.48 \| good	7.7 \| good	0.215 \| good
2025-06-07T00:00:00.000Z	90 \| moderate	30.185 \| fine	130.699 \| fine	64.381 \| fine	0.491 \| good	6.433 \| good	0.253 \| good
2025-06-07T01:00:00.000Z	84 \| moderate	27.485 \| fine	116.857 \| fine	62.074 \| fine	1.242 \| good	6.923 \| good	0.254 \| good
2025-06-07T02:00:00.000Z	82 \| moderate	26.103 \| fine	112.508 \| fine	62.162 \| fine	0.991 \| good	9.491 \| good	0.254 \| good
2025-06-07T03:00:00.000Z	81 \| moderate	24.781 \| fine	108.607 \| fine	59.851 \| fine	0.868 \| good	9.107 \| good	0.279 \| good
2025-06-07T04:00:00.000Z	77 \| moderate	23.062 \| fine	101.021 \| fine	59.851 \| fine	0.777 \| good	6.629 \| good	0.265 \| good
2025-06-07T05:00:00.000Z	75 \| moderate	21.811 \| fine	96.165 \| fine	54.014 \| good	0.433 \| good	3.493 \| good	0.265 \| good
2025-06-07T06:00:00.000Z	73 \| moderate	20.833 \| fine	91.056 \| fine	54.014 \| good	0.322 \| good	4.872 \| good	0.265 \| good
2025-06-07T07:00:00.000Z	71 \| moderate	20.32 \| fine	89.45 \| fine	52.973 \| good	0.321 \| good	5.881 \| good	0.265 \| good
2025-06-07T08:00:00.000Z	71 \| moderate	20.388 \| fine	90.241 \| fine	53.146 \| good	0.295 \| good	5.338 \| good	0.241 \| good
2025-06-07T09:00:00.000Z	73 \| moderate	21.058 \| fine	92.093 \| fine	51.657 \| good	0.274 \| good	3.475 \| good	0.258 \| good
2025-06-07T10:00:00.000Z	73 \| moderate	21.323 \| fine	92.112 \| fine	48.638 \| good	0.221 \| good	2.841 \| good	0.258 \| good
2025-06-07T10:00:00.000Z	73 \| moderate	21.323 \| fine	92.112 \| fine	48.638 \| good	0.221 \| good	2.841 \| good	0.258 \| good
2025-06-07T11:00:00.000Z	60 \| moderate	14.152 \| fine	63.237 \| fine	27.145 \| good	0.794 \| good	6.021 \| good	0.22 \| good
2025-06-07T12:00:00.000Z	60 \| moderate	14.193 \| fine	63.162 \| fine	27.719 \| good	0.761 \| good	6.11 \| good	0.221 \| good
2025-06-07T13:00:00.000Z	56 \| moderate	12.436 \| fine	55.578 \| fine	25.387 \| good	1.218 \| good	4.64 \| good	0.208 \| good
2025-06-07T14:00:00.000Z	56 \| moderate	11.651 \| good	51.552 \| good	28.198 \| good	1.154 \| good	4.851 \| good	0.21 \| good
2025-06-07T15:00:00.000Z	52 \| moderate	10.408 \| good	46.338 \| good	31.638 \| good	1.089 \| good	5.062 \| good	0.211 \| good
2025-06-07T16:00:00.000Z	58 \| moderate	12.846 \| fine	57.179 \| fine	35.225 \| good	1.095 \| good	2.855 \| good	0.188 \| good
2025-06-07T17:00:00.000Z	60 \| moderate	14.4 \| fine	64.79 \| fine	39.459 \| good	1.121 \| good	3.215 \| good	0.194 \| good
2025-06-07T18:00:00.000Z	60 \| moderate	14.101 \| fine	62.988 \| fine	40.412 \| good	1.148 \| good	3.575 \| good	0.2 \| good
2025-06-07T19:00:00.000Z	49 \| good	9.389 \| good	41.918 \| good	39.557 \| good	1.128 \| good	3.92 \| good	0.199 \| good
2025-06-07T20:00:00.000Z	44 \| good	8.207 \| good	36.15 \| good	39.045 \| good	1.156 \| good	4.512 \| good	0.207 \| good
2025-06-07T21:00:00.000Z	44 \| good	7.786 \| good	34.077 \| good	40.318 \| good	1.183 \| good	5.104 \| good	0.214 \| good
2025-06-07T22:00:00.000Z	44 \| good	8.13 \| good	35.947 \| good	42.708 \| good	1.274 \| good	11.833 \| good	0.257 \| good
2025-06-07T23:00:00.000Z	52 \| moderate	9.887 \| good	43.6 \| good	41.552 \| good	1.231 \| good	12.662 \| good	0.264 \| good
2025-06-08T00:00:00.000Z	38 \| good	7.302 \| good	31.809 \| good	35.728 \| good	1.188 \| good	13.492 \| good	0.271 \| good
2025-06-08T01:00:00.000Z	52 \| moderate	9.916 \| good	43.96 \| good	33.769 \| good	1.35 \| good	14.005 \| good	0.265 \| good
2025-06-08T02:00:00.000Z	56 \| moderate	12.242 \| fine	54.917 \| good	35.035 \| good	1.251 \| good	13.862 \| good	0.262 \| good
2025-06-08T03:00:00.000Z	58 \| moderate	13.132 \| fine	58.939 \| fine	33.266 \| good	1.152 \| good	13.718 \| good	0.26 \| good
2025-06-08T04:00:00.000Z	49 \| good	8.794 \| good	38.793 \| good	33.442 \| good	1.519 \| good	15.665 \| good	0.269 \| good
2025-06-08T05:00:00.000Z	38 \| good	7.427 \| good	32.874 \| good	33.371 \| good	1.404 \| good	15.289 \| good	0.264 \| good
2025-06-08T06:00:00.000Z	38 \| good	7.112 \| good	31.263 \| good	34.517 \| good	1.289 \| good	14.912 \| good	0.258 \| good
2025-06-08T07:00:00.000Z	33 \| good	6.057 \| good	27.134 \| good	30.978 \| good	1.925 \| good	16.174 \| good	0.259 \| good
2025-06-08T08:00:00.000Z	27 \| good	5.045 \| good	21.305 \| good	28.904 \| good	1.83 \| good	15.667 \| good	0.253 \| good
2025-06-08T09:00:00.000Z	33 \| good	6.472 \| good	29.039 \| good	22.457 \| good	1.735 \| good	15.159 \| good	0.247 \| good
2025-06-08T10:00:00.000Z	21 \| good	2.351 \| good	9.328 \| good	22.602 \| good	2.404 \| good	13.921 \| good	0.263 \| good
2025-06-08T11:00:00.000Z	24 \| good	3.401 \| good	15.037 \| good	25.805 \| good	2.341 \| good	13.833 \| good	0.257 \| good
2025-06-08T12:00:00.000Z	33 \| good	6.453 \| good	28.953 \| good	28.058 \| good	2.278 \| good	13.744 \| good	0.251 \| good
2025-06-08T13:00:00.000Z	26 \| good	3.816 \| good	16.248 \| good	28.058 \| good	2.534 \| good	6.509 \| good	0.252 \| good
2025-06-08T14:00:00.000Z	31 \| good	2.537 \| good	10.326 \| good	34.227 \| good	2.916 \| good	7.646 \| good	0.263 \| good
2025-06-08T15:00:00.000Z	40 \| good	2.831 \| good	11.346 \| good	43.219 \| good	3.297 \| good	8.782 \| good	0.273 \| good
2025-06-08T16:00:00.000Z	48 \| good	6.574 \| good	29.064 \| good	52.177 \| good	1.089 \| good	2.475 \| good	0.204 \| good
2025-06-08T17:00:00.000Z	51 \| moderate	8.15 \| good	36.059 \| good	55.158 \| fine	1.437 \| good	3.167 \| good	0.219 \| good
2025-06-08T18:00:00.000Z	49 \| good	8.724 \| good	38.139 \| good	44.894 \| good	1.786 \| good	3.859 \| good	0.233 \| good
2025-06-08T19:00:00.000Z	30 \| good	5.393 \| good	23.124 \| good	31.788 \| good	0.614 \| good	2.281 \| good	0.179 \| good
2025-06-08T20:00:00.000Z	28 \| good	3.28 \| good	14.208 \| good	30.315 \| good	0.812 \| good	2.77 \| good	0.189 \| good
2025-06-08T21:00:00.000Z	34 \| good	2.691 \| good	11.088 \| good	37.239 \| good	1.01 \| good	3.259 \| good	0.2 \| good
2025-06-08T22:00:00.000Z	36 \| good	1.692 \| good	7.007 \| good	39.39 \| good	0.516 \| good	4.89 \| good	0.184 \| good
2025-06-08T23:00:00.000Z	39 \| good	6.106 \| good	26.896 \| good	41.934 \| good	0.64 \| good	5.788 \| good	0.192 \| good
2025-06-09T00:00:00.000Z	36 \| good	1.88 \| good	8.031 \| good	38.642 \| good	0.765 \| good	6.685 \| good	0.2 \| good
2025-06-09T01:00:00.000Z	54 \| moderate	10.846 \| good	47.881 \| good	33.629 \| good	0.766 \| good	8.279 \| good	0.196 \| good
2025-06-09T02:00:00.000Z	54 \| moderate	11.472 \| good	50.874 \| good	23.978 \| good	0.889 \| good	8.748 \| good	0.197 \| good
2025-06-09T03:00:00.000Z	52 \| moderate	10.342 \| good	46.035 \| good	23.947 \| good	1.012 \| good	9.218 \| good	0.199 \| good
2025-06-09T04:00:00.000Z	27 \| good	5.381 \| good	23.063 \| good	26.397 \| good	0.621 \| good	6.92 \| good	0.181 \| good
2025-06-09T05:00:00.000Z	20 \| good	1.967 \| good	8.127 \| good	22.38 \| good	0.733 \| good	7.365 \| good	0.185 \| good
2025-06-09T06:00:00.000Z	49 \| good	9.485 \| good	9.718 \| good	32.446 \| good	0.864 \| good	7.774 \| good	0.188 \| good
2025-06-09T07:00:00.000Z	15 \| good	2.492 \| good	10.08 \| good	16.384 \| good	0.695 \| good	9.746 \| good	0.178 \| good
2025-06-09T08:00:00.000Z	16 \| good	2.762 \| good	11.138 \| good	15.136 \| good	0.796 \| good	9.785 \| good	0.18 \| good
2025-06-09T09:00:00.000Z	16 \| good	2.845 \| good	12.043 \| good	13.411 \| good	0.897 \| good	9.823 \| good	0.181 \| good
2025-06-09T10:00:00.000Z	8 \| good	0.802 \| good	2.973 \| good	7.563 \| good	0.947 \| good	7.674 \| good	0.18 \| good

Real-time 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)

Track live Northbrook, Illinois air quality forecast and history

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

Air quality in nearby cities

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Frequently asked questions

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What is the AQI in Northbrook, Illinois right now?

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

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

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

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

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

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

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

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

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

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