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

The PM10 concentration in Northbrook, Illinois is 36.354 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 0.919 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 29.179 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 1.965 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 16.238 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)

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)

14.66 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

31.63 μg/m³

155

255

425

605+

Ozone (O₃)

29.07 ppb

201

201+

Sulfur Dioxide (SO₂)

2.95 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.06 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.22 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
2026-08-21T23:00:00.000Z	60 \| moderate	13.747 \| fine	37.773 \| good	51.314 \| good	1.046 \| good	9.389 \| good	0.276 \| good
2026-08-22T00:00:00.000Z	60 \| moderate	13.509 \| fine	33.886 \| good	51.913 \| good	1.029 \| good	9.251 \| good	0.276 \| good
2026-08-22T01:00:00.000Z	60 \| moderate	13.527 \| fine	34.964 \| good	47.091 \| good	0.995 \| good	12.089 \| good	0.352 \| good
2026-08-22T02:00:00.000Z	60 \| moderate	13.558 \| fine	34.01 \| good	40.228 \| good	1.201 \| good	5.464 \| good	0.314 \| good
2026-08-22T03:00:00.000Z	60 \| moderate	13.726 \| fine	34.96 \| good	29.648 \| good	1.024 \| good	7.923 \| good	0.275 \| good
2026-08-22T04:00:00.000Z	60 \| moderate	13.826 \| fine	34.308 \| good	29.648 \| good	1.054 \| good	4.753 \| good	0.278 \| good
2026-08-22T05:00:00.000Z	60 \| moderate	13.815 \| fine	33.321 \| good	27.72 \| good	1.111 \| good	8.631 \| good	0.257 \| good
2026-08-22T06:00:00.000Z	60 \| moderate	13.818 \| fine	32.369 \| good	26.66 \| good	1.116 \| good	9.398 \| good	0.218 \| good
2026-08-22T07:00:00.000Z	60 \| moderate	13.543 \| fine	29.911 \| good	24.711 \| good	1.007 \| good	11.704 \| good	0.206 \| good
2026-08-22T08:00:00.000Z	58 \| moderate	12.549 \| fine	26.177 \| good	23.301 \| good	1.084 \| good	5.319 \| good	0.206 \| good
2026-08-22T09:00:00.000Z	49 \| good	8.913 \| good	19.477 \| good	23.298 \| good	1.02 \| good	3.791 \| good	0.265 \| good
2026-08-22T10:00:00.000Z	44 \| good	8.389 \| good	18.89 \| good	23.411 \| good	0.956 \| good	7.774 \| good	0.204 \| good
2026-08-22T11:00:00.000Z	44 \| good	8.498 \| good	21.159 \| good	22.394 \| good	1.097 \| good	7.332 \| good	0.202 \| good
2026-08-22T12:00:00.000Z	49 \| good	8.516 \| good	21.868 \| good	23.301 \| good	1.169 \| good	5.298 \| good	0.202 \| good
2026-08-22T13:00:00.000Z	49 \| good	8.517 \| good	21.145 \| good	22.747 \| good	1.13 \| good	5.793 \| good	0.201 \| good
2026-08-22T14:00:00.000Z	44 \| good	8.138 \| good	20.728 \| good	23.561 \| good	1.126 \| good	5.63 \| good	0.279 \| good
2026-08-22T15:00:00.000Z	44 \| good	7.722 \| good	19.771 \| good	24.614 \| good	0.98 \| good	5.124 \| good	0.24 \| good
2026-08-22T16:00:00.000Z	44 \| good	7.594 \| good	19.74 \| good	27.674 \| good	0.839 \| good	4.716 \| good	0.239 \| good
2026-08-22T17:00:00.000Z	44 \| good	8.053 \| good	18.939 \| good	28.533 \| good	0.79 \| good	3.894 \| good	0.223 \| good
2026-08-22T18:00:00.000Z	29 \| good	4.179 \| good	18.709 \| good	30.832 \| good	0.765 \| good	2.718 \| good	0.223 \| good
2026-08-22T19:00:00.000Z	44 \| good	7.957 \| good	19.347 \| good	32.849 \| good	0.78 \| good	2.787 \| good	0.185 \| good
2026-08-22T20:00:00.000Z	44 \| good	7.861 \| good	18.952 \| good	37.477 \| good	0.855 \| good	2.497 \| good	0.223 \| good
2026-08-22T21:00:00.000Z	44 \| good	7.938 \| good	18.789 \| good	39.317 \| good	1.143 \| good	2.457 \| good	0.185 \| good
2026-08-22T22:00:00.000Z	44 \| good	7.974 \| good	19.11 \| good	41.3 \| good	0.791 \| good	3.262 \| good	0.223 \| good
2026-08-22T23:00:00.000Z	44 \| good	7.772 \| good	18.948 \| good	40.57 \| good	0.761 \| good	2.673 \| good	0.223 \| good
2026-08-23T00:00:00.000Z	44 \| good	7.784 \| good	19.075 \| good	38.627 \| good	0.789 \| good	3.496 \| good	0.185 \| good
2026-08-23T01:00:00.000Z	44 \| good	7.776 \| good	18.85 \| good	36.251 \| good	0.794 \| good	5.028 \| good	0.261 \| good
2026-08-23T02:00:00.000Z	38 \| good	7.182 \| good	17.528 \| good	34.119 \| good	0.784 \| good	6.316 \| good	0.261 \| good
2026-08-23T03:00:00.000Z	20 \| good	2.787 \| good	11.31 \| good	21.667 \| good	0.355 \| good	6.121 \| good	0.167 \| good
2026-08-23T04:00:00.000Z	38 \| good	6.551 \| good	15.688 \| good	32.516 \| good	0.762 \| good	8.196 \| good	0.299 \| good
2026-08-23T05:00:00.000Z	38 \| good	6.589 \| good	15.891 \| good	28.429 \| good	0.885 \| good	7.364 \| good	0.262 \| good
2026-08-23T06:00:00.000Z	38 \| good	6.694 \| good	16.082 \| good	25.126 \| good	0.826 \| good	7.382 \| good	0.261 \| good
2026-08-23T07:00:00.000Z	38 \| good	6.636 \| good	15.904 \| good	23.09 \| good	0.767 \| good	8.684 \| good	0.261 \| good
2026-08-23T08:00:00.000Z	38 \| good	6.834 \| good	15.957 \| good	21.996 \| good	0.749 \| good	5.101 \| good	0.186 \| good
2026-08-23T09:00:00.000Z	38 \| good	6.825 \| good	15.647 \| good	19.042 \| good	0.784 \| good	4.511 \| good	0.187 \| good
2026-08-23T10:00:00.000Z	38 \| good	6.986 \| good	16.859 \| good	16.716 \| good	0.727 \| good	3.468 \| good	0.187 \| good
2026-08-23T11:00:00.000Z	38 \| good	7.209 \| good	16.737 \| good	16.272 \| good	0.815 \| good	3.798 \| good	0.187 \| good
2026-08-23T12:00:00.000Z	38 \| good	7.314 \| good	18.092 \| good	16.727 \| good	0.744 \| good	4.308 \| good	0.186 \| good
2026-08-23T13:00:00.000Z	38 \| good	7.292 \| good	16.587 \| good	16.849 \| good	1.42 \| good	5.961 \| good	0.186 \| good
2026-08-23T14:00:00.000Z	56 \| moderate	12.184 \| fine	25.556 \| good	18.595 \| good	2.162 \| good	3.999 \| good	0.256 \| good
2026-08-23T15:00:00.000Z	77 \| moderate	22.553 \| fine	44.785 \| good	21.501 \| good	1.796 \| good	3.496 \| good	0.239 \| good
2026-08-23T16:00:00.000Z	77 \| moderate	22.522 \| fine	45.106 \| good	23.634 \| good	1.148 \| good	3.135 \| good	0.25 \| good
2026-08-23T17:00:00.000Z	96 \| moderate	33.227 \| fine	68.711 \| fine	25.925 \| good	0.885 \| good	2.255 \| good	0.249 \| good
2026-08-23T18:00:00.000Z	84 \| moderate	26.971 \| fine	56.63 \| fine	27.896 \| good	0.805 \| good	2.136 \| good	0.196 \| good
2026-08-23T19:00:00.000Z	77 \| moderate	22.502 \| fine	48.328 \| good	28.357 \| good	0.814 \| good	2.113 \| good	0.234 \| good
2026-08-23T20:00:00.000Z	69 \| moderate	19.166 \| fine	39.749 \| good	29.841 \| good	0.833 \| good	2.018 \| good	0.223 \| good
2026-08-23T21:00:00.000Z	64 \| moderate	16.238 \| fine	36.354 \| good	29.179 \| good	0.919 \| good	1.965 \| good	0.234 \| good
2026-08-23T22:00:00.000Z	62 \| moderate	14.659 \| fine	31.625 \| good	29.075 \| good	2.951 \| good	2.063 \| good	0.223 \| good
2026-08-23T23:00:00.000Z	33 \| good	6.01 \| good	26.639 \| good	33.417 \| good	0.237 \| good	1.637 \| good	0.14 \| good
2026-08-24T00:00:00.000Z	29 \| good	3.687 \| good	15.784 \| good	31.094 \| good	0.274 \| good	3.274 \| good	0.147 \| good
2026-08-24T01:00:00.000Z	27 \| good	4.603 \| good	20.012 \| good	28.064 \| good	0.326 \| good	6.273 \| good	0.161 \| good
2026-08-24T02:00:00.000Z	22 \| good	3.923 \| good	17.235 \| good	23.025 \| good	0.362 \| good	8.375 \| good	0.168 \| good
2026-08-24T03:00:00.000Z	22 \| good	3.743 \| good	16.376 \| good	20.275 \| good	0.403 \| good	10.008 \| good	0.173 \| good
2026-08-24T04:00:00.000Z	22 \| good	3.655 \| good	16.231 \| good	15.274 \| good	0.44 \| good	11.742 \| good	0.177 \| good
2026-08-24T05:00:00.000Z	22 \| good	4.357 \| good	19.15 \| good	12.803 \| good	0.46 \| good	11.429 \| good	0.179 \| good
2026-08-24T06:00:00.000Z	27 \| good	4.969 \| good	21.104 \| good	13.891 \| good	0.484 \| good	11.029 \| good	0.181 \| good
2026-08-24T07:00:00.000Z	27 \| good	4.938 \| good	20.944 \| good	14.05 \| good	0.533 \| good	11.867 \| good	0.186 \| good
2026-08-24T08:00:00.000Z	27 \| good	4.972 \| good	21.63 \| good	11.911 \| good	0.6 \| good	12.977 \| good	0.191 \| good
2026-08-24T09:00:00.000Z	27 \| good	5.254 \| good	22.66 \| good	7.203 \| good	0.683 \| good	14.22 \| good	0.199 \| good
2026-08-24T10:00:00.000Z	27 \| good	4.887 \| good	20.967 \| good	6.677 \| good	0.766 \| good	14.415 \| good	0.203 \| good
2026-08-24T11:00:00.000Z	33 \| good	5.695 \| good	24.197 \| good	5.128 \| good	0.846 \| good	14.964 \| good	0.21 \| good
2026-08-24T12:00:00.000Z	38 \| good	6.631 \| good	29.898 \| good	7.856 \| good	0.938 \| good	12.855 \| good	0.217 \| good
2026-08-24T13:00:00.000Z	44 \| good	8.212 \| good	35.891 \| good	17.811 \| good	1.06 \| good	9.751 \| good	0.216 \| good
2026-08-24T14:00:00.000Z	44 \| good	8.019 \| good	34.945 \| good	23.556 \| good	1.391 \| good	7.664 \| good	0.187 \| good
2026-08-24T15:00:00.000Z	38 \| good	6.87 \| good	30.185 \| good	25.732 \| good	1.446 \| good	5.956 \| good	0.174 \| good
2026-08-24T16:00:00.000Z	33 \| good	6.069 \| good	27.091 \| good	29.591 \| good	1.333 \| good	4.644 \| good	0.166 \| good
2026-08-24T17:00:00.000Z	33 \| good	5.887 \| good	25.242 \| good	32.546 \| good	1.119 \| good	3.44 \| good	0.16 \| good
2026-08-24T18:00:00.000Z	33 \| good	6.399 \| good	28.185 \| good	33.092 \| good	0.835 \| good	2.321 \| good	0.154 \| good
2026-08-24T19:00:00.000Z	33 \| good	5.985 \| good	26.995 \| good	33.172 \| good	0.629 \| good	1.674 \| good	0.15 \| good
2026-08-24T20:00:00.000Z	33 \| good	5.843 \| good	25.39 \| good	33.081 \| good	0.519 \| good	1.386 \| good	0.149 \| good
2026-08-24T21:00:00.000Z	33 \| good	5.549 \| good	24.133 \| good	32.603 \| good	0.479 \| good	1.344 \| good	0.148 \| good
2026-08-24T22:00:00.000Z	33 \| good	6.198 \| good	27.855 \| good	34.014 \| good	0.484 \| good	1.642 \| good	0.149 \| good
2026-08-24T23:00:00.000Z	38 \| good	7.272 \| good	31.645 \| good	34.026 \| good	0.489 \| good	2.326 \| good	0.152 \| good
2026-08-25T00:00:00.000Z	33 \| good	5.871 \| good	26.31 \| good	34.855 \| good	0.516 \| good	5.364 \| good	0.17 \| good
2026-08-25T01:00:00.000Z	33 \| good	6.365 \| good	28.291 \| good	26.994 \| good	0.576 \| good	10.726 \| good	0.196 \| good
2026-08-25T02:00:00.000Z	38 \| good	6.944 \| good	31.165 \| good	20.35 \| good	0.641 \| good	14.207 \| good	0.209 \| good
2026-08-25T03:00:00.000Z	52 \| moderate	10.264 \| good	45.227 \| good	15.299 \| good	0.703 \| good	14.461 \| good	0.207 \| good
2026-08-25T04:00:00.000Z	58 \| moderate	12.577 \| fine	56.499 \| fine	12.8 \| good	0.766 \| good	14.195 \| good	0.202 \| good
2026-08-25T05:00:00.000Z	60 \| moderate	13.683 \| fine	61.258 \| fine	10.496 \| good	0.835 \| good	14.257 \| good	0.2 \| good
2026-08-25T06:00:00.000Z	60 \| moderate	13.828 \| fine	61.679 \| fine	11.232 \| good	0.906 \| good	13.538 \| good	0.2 \| good
2026-08-25T07:00:00.000Z	56 \| moderate	12.474 \| fine	55.675 \| fine	12.382 \| good	0.992 \| good	13.125 \| good	0.198 \| good
2026-08-25T08:00:00.000Z	56 \| moderate	11.69 \| good	51.751 \| good	10.126 \| good	1.1 \| good	13.202 \| good	0.198 \| good
2026-08-25T09:00:00.000Z	58 \| moderate	13.199 \| fine	59.443 \| fine	6.498 \| good	1.244 \| good	13.845 \| good	0.202 \| good
2026-08-25T10:00:00.000Z	67 \| moderate	18.172 \| fine	80.949 \| fine	6.757 \| good	1.478 \| good	14.67 \| good	0.208 \| good
2026-08-25T11:00:00.000Z	67 \| moderate	17.932 \| fine	79.332 \| fine	3.141 \| good	1.729 \| good	15.896 \| good	0.216 \| good
2026-08-25T12:00:00.000Z	69 \| moderate	18.729 \| fine	83.395 \| fine	7.837 \| good	1.918 \| good	14.741 \| good	0.226 \| good
2026-08-25T13:00:00.000Z	64 \| moderate	16.443 \| fine	73.828 \| fine	17.108 \| good	2.068 \| good	12.581 \| good	0.235 \| good
2026-08-25T14:00:00.000Z	60 \| moderate	14.085 \| fine	63.804 \| fine	25.092 \| good	2.659 \| good	11.011 \| good	0.233 \| good
2026-08-25T15:00:00.000Z	56 \| moderate	11.725 \| good	51.535 \| good	29.745 \| good	3.439 \| good	8.64 \| good	0.21 \| good
2026-08-25T16:00:00.000Z	52 \| moderate	10.043 \| good	44.363 \| good	35.994 \| good	3.207 \| good	6.135 \| good	0.192 \| good
2026-08-25T17:00:00.000Z	54 \| moderate	10.955 \| good	48.405 \| good	38.558 \| good	2.63 \| good	4.064 \| good	0.179 \| good
2026-08-25T18:00:00.000Z	56 \| moderate	11.985 \| good	52.897 \| good	44.408 \| good	2.291 \| good	2.891 \| good	0.175 \| good
2026-08-25T19:00:00.000Z	58 \| moderate	12.886 \| fine	57.71 \| fine	51.668 \| good	2.032 \| good	2.231 \| good	0.173 \| good
2026-08-25T20:00:00.000Z	71 \| moderate	13.86 \| fine	61.72 \| fine	61.19 \| fine	1.823 \| good	1.966 \| good	0.172 \| good
2026-08-25T21:00:00.000Z	87 \| moderate	14.022 \| fine	63.157 \| fine	65.588 \| fine	1.676 \| good	1.935 \| good	0.171 \| good
2026-08-25T22:00:00.000Z	71 \| moderate	14.637 \| fine	65.104 \| fine	60.562 \| fine	1.547 \| good	2.118 \| good	0.17 \| good

Northbrook

Get reliable air quality data to drive your business

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

0.23ppm

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 2026-08-23.

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 2026-08-23.

What is the AQI in Northbrook, Illinois right now?

As of now, the AQI in Northbrook, Illinois is 64, 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 16.238 μg/m³.

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

The PM₁₀ concentration in Northbrook, Illinois is 36.354 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 0.234 ppm.

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

Currently, Northbrook, Illinois has a sulfur dioxide (SO₂) concentration of 0.919 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 29.179 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 1.965 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-08-21T23:00:00.000Z	60 \| moderate	13.747 \| fine	37.773 \| good	51.314 \| good	1.046 \| good	9.389 \| good	0.276 \| good
2026-08-22T00:00:00.000Z	60 \| moderate	13.509 \| fine	33.886 \| good	51.913 \| good	1.029 \| good	9.251 \| good	0.276 \| good
2026-08-22T01:00:00.000Z	60 \| moderate	13.527 \| fine	34.964 \| good	47.091 \| good	0.995 \| good	12.089 \| good	0.352 \| good
2026-08-22T02:00:00.000Z	60 \| moderate	13.558 \| fine	34.01 \| good	40.228 \| good	1.201 \| good	5.464 \| good	0.314 \| good
2026-08-22T03:00:00.000Z	60 \| moderate	13.726 \| fine	34.96 \| good	29.648 \| good	1.024 \| good	7.923 \| good	0.275 \| good
2026-08-22T04:00:00.000Z	60 \| moderate	13.826 \| fine	34.308 \| good	29.648 \| good	1.054 \| good	4.753 \| good	0.278 \| good
2026-08-22T05:00:00.000Z	60 \| moderate	13.815 \| fine	33.321 \| good	27.72 \| good	1.111 \| good	8.631 \| good	0.257 \| good
2026-08-22T06:00:00.000Z	60 \| moderate	13.818 \| fine	32.369 \| good	26.66 \| good	1.116 \| good	9.398 \| good	0.218 \| good
2026-08-22T07:00:00.000Z	60 \| moderate	13.543 \| fine	29.911 \| good	24.711 \| good	1.007 \| good	11.704 \| good	0.206 \| good
2026-08-22T08:00:00.000Z	58 \| moderate	12.549 \| fine	26.177 \| good	23.301 \| good	1.084 \| good	5.319 \| good	0.206 \| good
2026-08-22T09:00:00.000Z	49 \| good	8.913 \| good	19.477 \| good	23.298 \| good	1.02 \| good	3.791 \| good	0.265 \| good
2026-08-22T10:00:00.000Z	44 \| good	8.389 \| good	18.89 \| good	23.411 \| good	0.956 \| good	7.774 \| good	0.204 \| good
2026-08-22T11:00:00.000Z	44 \| good	8.498 \| good	21.159 \| good	22.394 \| good	1.097 \| good	7.332 \| good	0.202 \| good
2026-08-22T12:00:00.000Z	49 \| good	8.516 \| good	21.868 \| good	23.301 \| good	1.169 \| good	5.298 \| good	0.202 \| good
2026-08-22T13:00:00.000Z	49 \| good	8.517 \| good	21.145 \| good	22.747 \| good	1.13 \| good	5.793 \| good	0.201 \| good
2026-08-22T14:00:00.000Z	44 \| good	8.138 \| good	20.728 \| good	23.561 \| good	1.126 \| good	5.63 \| good	0.279 \| good
2026-08-22T15:00:00.000Z	44 \| good	7.722 \| good	19.771 \| good	24.614 \| good	0.98 \| good	5.124 \| good	0.24 \| good
2026-08-22T16:00:00.000Z	44 \| good	7.594 \| good	19.74 \| good	27.674 \| good	0.839 \| good	4.716 \| good	0.239 \| good
2026-08-22T17:00:00.000Z	44 \| good	8.053 \| good	18.939 \| good	28.533 \| good	0.79 \| good	3.894 \| good	0.223 \| good
2026-08-22T18:00:00.000Z	29 \| good	4.179 \| good	18.709 \| good	30.832 \| good	0.765 \| good	2.718 \| good	0.223 \| good
2026-08-22T19:00:00.000Z	44 \| good	7.957 \| good	19.347 \| good	32.849 \| good	0.78 \| good	2.787 \| good	0.185 \| good
2026-08-22T20:00:00.000Z	44 \| good	7.861 \| good	18.952 \| good	37.477 \| good	0.855 \| good	2.497 \| good	0.223 \| good
2026-08-22T21:00:00.000Z	44 \| good	7.938 \| good	18.789 \| good	39.317 \| good	1.143 \| good	2.457 \| good	0.185 \| good
2026-08-22T22:00:00.000Z	44 \| good	7.974 \| good	19.11 \| good	41.3 \| good	0.791 \| good	3.262 \| good	0.223 \| good
2026-08-22T23:00:00.000Z	44 \| good	7.772 \| good	18.948 \| good	40.57 \| good	0.761 \| good	2.673 \| good	0.223 \| good
2026-08-23T00:00:00.000Z	44 \| good	7.784 \| good	19.075 \| good	38.627 \| good	0.789 \| good	3.496 \| good	0.185 \| good
2026-08-23T01:00:00.000Z	44 \| good	7.776 \| good	18.85 \| good	36.251 \| good	0.794 \| good	5.028 \| good	0.261 \| good
2026-08-23T02:00:00.000Z	38 \| good	7.182 \| good	17.528 \| good	34.119 \| good	0.784 \| good	6.316 \| good	0.261 \| good
2026-08-23T03:00:00.000Z	20 \| good	2.787 \| good	11.31 \| good	21.667 \| good	0.355 \| good	6.121 \| good	0.167 \| good
2026-08-23T04:00:00.000Z	38 \| good	6.551 \| good	15.688 \| good	32.516 \| good	0.762 \| good	8.196 \| good	0.299 \| good
2026-08-23T05:00:00.000Z	38 \| good	6.589 \| good	15.891 \| good	28.429 \| good	0.885 \| good	7.364 \| good	0.262 \| good
2026-08-23T06:00:00.000Z	38 \| good	6.694 \| good	16.082 \| good	25.126 \| good	0.826 \| good	7.382 \| good	0.261 \| good
2026-08-23T07:00:00.000Z	38 \| good	6.636 \| good	15.904 \| good	23.09 \| good	0.767 \| good	8.684 \| good	0.261 \| good
2026-08-23T08:00:00.000Z	38 \| good	6.834 \| good	15.957 \| good	21.996 \| good	0.749 \| good	5.101 \| good	0.186 \| good
2026-08-23T09:00:00.000Z	38 \| good	6.825 \| good	15.647 \| good	19.042 \| good	0.784 \| good	4.511 \| good	0.187 \| good
2026-08-23T10:00:00.000Z	38 \| good	6.986 \| good	16.859 \| good	16.716 \| good	0.727 \| good	3.468 \| good	0.187 \| good
2026-08-23T11:00:00.000Z	38 \| good	7.209 \| good	16.737 \| good	16.272 \| good	0.815 \| good	3.798 \| good	0.187 \| good
2026-08-23T12:00:00.000Z	38 \| good	7.314 \| good	18.092 \| good	16.727 \| good	0.744 \| good	4.308 \| good	0.186 \| good
2026-08-23T13:00:00.000Z	38 \| good	7.292 \| good	16.587 \| good	16.849 \| good	1.42 \| good	5.961 \| good	0.186 \| good
2026-08-23T14:00:00.000Z	56 \| moderate	12.184 \| fine	25.556 \| good	18.595 \| good	2.162 \| good	3.999 \| good	0.256 \| good
2026-08-23T15:00:00.000Z	77 \| moderate	22.553 \| fine	44.785 \| good	21.501 \| good	1.796 \| good	3.496 \| good	0.239 \| good
2026-08-23T16:00:00.000Z	77 \| moderate	22.522 \| fine	45.106 \| good	23.634 \| good	1.148 \| good	3.135 \| good	0.25 \| good
2026-08-23T17:00:00.000Z	96 \| moderate	33.227 \| fine	68.711 \| fine	25.925 \| good	0.885 \| good	2.255 \| good	0.249 \| good
2026-08-23T18:00:00.000Z	84 \| moderate	26.971 \| fine	56.63 \| fine	27.896 \| good	0.805 \| good	2.136 \| good	0.196 \| good
2026-08-23T19:00:00.000Z	77 \| moderate	22.502 \| fine	48.328 \| good	28.357 \| good	0.814 \| good	2.113 \| good	0.234 \| good
2026-08-23T20:00:00.000Z	69 \| moderate	19.166 \| fine	39.749 \| good	29.841 \| good	0.833 \| good	2.018 \| good	0.223 \| good
2026-08-23T21:00:00.000Z	64 \| moderate	16.238 \| fine	36.354 \| good	29.179 \| good	0.919 \| good	1.965 \| good	0.234 \| good
2026-08-23T22:00:00.000Z	62 \| moderate	14.659 \| fine	31.625 \| good	29.075 \| good	2.951 \| good	2.063 \| good	0.223 \| good
2026-08-23T23:00:00.000Z	33 \| good	6.01 \| good	26.639 \| good	33.417 \| good	0.237 \| good	1.637 \| good	0.14 \| good
2026-08-24T00:00:00.000Z	29 \| good	3.687 \| good	15.784 \| good	31.094 \| good	0.274 \| good	3.274 \| good	0.147 \| good
2026-08-24T01:00:00.000Z	27 \| good	4.603 \| good	20.012 \| good	28.064 \| good	0.326 \| good	6.273 \| good	0.161 \| good
2026-08-24T02:00:00.000Z	22 \| good	3.923 \| good	17.235 \| good	23.025 \| good	0.362 \| good	8.375 \| good	0.168 \| good
2026-08-24T03:00:00.000Z	22 \| good	3.743 \| good	16.376 \| good	20.275 \| good	0.403 \| good	10.008 \| good	0.173 \| good
2026-08-24T04:00:00.000Z	22 \| good	3.655 \| good	16.231 \| good	15.274 \| good	0.44 \| good	11.742 \| good	0.177 \| good
2026-08-24T05:00:00.000Z	22 \| good	4.357 \| good	19.15 \| good	12.803 \| good	0.46 \| good	11.429 \| good	0.179 \| good
2026-08-24T06:00:00.000Z	27 \| good	4.969 \| good	21.104 \| good	13.891 \| good	0.484 \| good	11.029 \| good	0.181 \| good
2026-08-24T07:00:00.000Z	27 \| good	4.938 \| good	20.944 \| good	14.05 \| good	0.533 \| good	11.867 \| good	0.186 \| good
2026-08-24T08:00:00.000Z	27 \| good	4.972 \| good	21.63 \| good	11.911 \| good	0.6 \| good	12.977 \| good	0.191 \| good
2026-08-24T09:00:00.000Z	27 \| good	5.254 \| good	22.66 \| good	7.203 \| good	0.683 \| good	14.22 \| good	0.199 \| good
2026-08-24T10:00:00.000Z	27 \| good	4.887 \| good	20.967 \| good	6.677 \| good	0.766 \| good	14.415 \| good	0.203 \| good
2026-08-24T11:00:00.000Z	33 \| good	5.695 \| good	24.197 \| good	5.128 \| good	0.846 \| good	14.964 \| good	0.21 \| good
2026-08-24T12:00:00.000Z	38 \| good	6.631 \| good	29.898 \| good	7.856 \| good	0.938 \| good	12.855 \| good	0.217 \| good
2026-08-24T13:00:00.000Z	44 \| good	8.212 \| good	35.891 \| good	17.811 \| good	1.06 \| good	9.751 \| good	0.216 \| good
2026-08-24T14:00:00.000Z	44 \| good	8.019 \| good	34.945 \| good	23.556 \| good	1.391 \| good	7.664 \| good	0.187 \| good
2026-08-24T15:00:00.000Z	38 \| good	6.87 \| good	30.185 \| good	25.732 \| good	1.446 \| good	5.956 \| good	0.174 \| good
2026-08-24T16:00:00.000Z	33 \| good	6.069 \| good	27.091 \| good	29.591 \| good	1.333 \| good	4.644 \| good	0.166 \| good
2026-08-24T17:00:00.000Z	33 \| good	5.887 \| good	25.242 \| good	32.546 \| good	1.119 \| good	3.44 \| good	0.16 \| good
2026-08-24T18:00:00.000Z	33 \| good	6.399 \| good	28.185 \| good	33.092 \| good	0.835 \| good	2.321 \| good	0.154 \| good
2026-08-24T19:00:00.000Z	33 \| good	5.985 \| good	26.995 \| good	33.172 \| good	0.629 \| good	1.674 \| good	0.15 \| good
2026-08-24T20:00:00.000Z	33 \| good	5.843 \| good	25.39 \| good	33.081 \| good	0.519 \| good	1.386 \| good	0.149 \| good
2026-08-24T21:00:00.000Z	33 \| good	5.549 \| good	24.133 \| good	32.603 \| good	0.479 \| good	1.344 \| good	0.148 \| good
2026-08-24T22:00:00.000Z	33 \| good	6.198 \| good	27.855 \| good	34.014 \| good	0.484 \| good	1.642 \| good	0.149 \| good
2026-08-24T23:00:00.000Z	38 \| good	7.272 \| good	31.645 \| good	34.026 \| good	0.489 \| good	2.326 \| good	0.152 \| good
2026-08-25T00:00:00.000Z	33 \| good	5.871 \| good	26.31 \| good	34.855 \| good	0.516 \| good	5.364 \| good	0.17 \| good
2026-08-25T01:00:00.000Z	33 \| good	6.365 \| good	28.291 \| good	26.994 \| good	0.576 \| good	10.726 \| good	0.196 \| good
2026-08-25T02:00:00.000Z	38 \| good	6.944 \| good	31.165 \| good	20.35 \| good	0.641 \| good	14.207 \| good	0.209 \| good
2026-08-25T03:00:00.000Z	52 \| moderate	10.264 \| good	45.227 \| good	15.299 \| good	0.703 \| good	14.461 \| good	0.207 \| good
2026-08-25T04:00:00.000Z	58 \| moderate	12.577 \| fine	56.499 \| fine	12.8 \| good	0.766 \| good	14.195 \| good	0.202 \| good
2026-08-25T05:00:00.000Z	60 \| moderate	13.683 \| fine	61.258 \| fine	10.496 \| good	0.835 \| good	14.257 \| good	0.2 \| good
2026-08-25T06:00:00.000Z	60 \| moderate	13.828 \| fine	61.679 \| fine	11.232 \| good	0.906 \| good	13.538 \| good	0.2 \| good
2026-08-25T07:00:00.000Z	56 \| moderate	12.474 \| fine	55.675 \| fine	12.382 \| good	0.992 \| good	13.125 \| good	0.198 \| good
2026-08-25T08:00:00.000Z	56 \| moderate	11.69 \| good	51.751 \| good	10.126 \| good	1.1 \| good	13.202 \| good	0.198 \| good
2026-08-25T09:00:00.000Z	58 \| moderate	13.199 \| fine	59.443 \| fine	6.498 \| good	1.244 \| good	13.845 \| good	0.202 \| good
2026-08-25T10:00:00.000Z	67 \| moderate	18.172 \| fine	80.949 \| fine	6.757 \| good	1.478 \| good	14.67 \| good	0.208 \| good
2026-08-25T11:00:00.000Z	67 \| moderate	17.932 \| fine	79.332 \| fine	3.141 \| good	1.729 \| good	15.896 \| good	0.216 \| good
2026-08-25T12:00:00.000Z	69 \| moderate	18.729 \| fine	83.395 \| fine	7.837 \| good	1.918 \| good	14.741 \| good	0.226 \| good
2026-08-25T13:00:00.000Z	64 \| moderate	16.443 \| fine	73.828 \| fine	17.108 \| good	2.068 \| good	12.581 \| good	0.235 \| good
2026-08-25T14:00:00.000Z	60 \| moderate	14.085 \| fine	63.804 \| fine	25.092 \| good	2.659 \| good	11.011 \| good	0.233 \| good
2026-08-25T15:00:00.000Z	56 \| moderate	11.725 \| good	51.535 \| good	29.745 \| good	3.439 \| good	8.64 \| good	0.21 \| good
2026-08-25T16:00:00.000Z	52 \| moderate	10.043 \| good	44.363 \| good	35.994 \| good	3.207 \| good	6.135 \| good	0.192 \| good
2026-08-25T17:00:00.000Z	54 \| moderate	10.955 \| good	48.405 \| good	38.558 \| good	2.63 \| good	4.064 \| good	0.179 \| good
2026-08-25T18:00:00.000Z	56 \| moderate	11.985 \| good	52.897 \| good	44.408 \| good	2.291 \| good	2.891 \| good	0.175 \| good
2026-08-25T19:00:00.000Z	58 \| moderate	12.886 \| fine	57.71 \| fine	51.668 \| good	2.032 \| good	2.231 \| good	0.173 \| good
2026-08-25T20:00:00.000Z	71 \| moderate	13.86 \| fine	61.72 \| fine	61.19 \| fine	1.823 \| good	1.966 \| good	0.172 \| good
2026-08-25T21:00:00.000Z	87 \| moderate	14.022 \| fine	63.157 \| fine	65.588 \| fine	1.676 \| good	1.935 \| good	0.171 \| good
2026-08-25T22:00:00.000Z	71 \| moderate	14.637 \| fine	65.104 \| fine	60.562 \| fine	1.547 \| good	2.118 \| good	0.17 \| 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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