What is the current concentration of PM10 in Arlington Heights, Illinois?

The current PM10 concentration at Arlington Heights, Illinois is 7.121 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Arlington Heights, Illinois is 0.643 ppb.

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

The current ozone (O3) concentration at Arlington Heights, Illinois is 17.082 ppm.

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

The current nitrogen dioxide (NO2) concentration at Arlington Heights, Illinois is 8.226 ppb.

Arlington Heights, Illinois live air quality index now

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

The current PM2.5 concentration at Arlington Heights, Illinois is 2.11 μg/m3.

Stay updated with real-time air quality in Arlington Heights, 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

Arlington Heights, Illinois

Last updated: ... (Local time)

Major air pollutants in Arlington Heights, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

6.27 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

26.05 μg/m³

155

255

425

605+

Ozone (O₃)

14.82 ppb

201

201+

Sulfur Dioxide (SO₂)

1.69 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.49 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.16 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Arlington Heights, Illinois

Get Live Pollen Counts

Arlington Heights, Illinois

Scroll To Air Quality Map

Track live Arlington Heights, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-23T20:00:00.000Z	21 \| good	2.628 \| good	10.909 \| good	22.507 \| good	0.952 \| good	4.979 \| good	0.301 \| good
2025-10-23T21:00:00.000Z	22 \| good	2.365 \| good	9.915 \| good	23.962 \| good	0.943 \| good	4.876 \| good	0.24 \| good
2025-10-23T22:00:00.000Z	22 \| good	2.328 \| good	7.982 \| good	24.174 \| good	1.006 \| good	3.664 \| good	0.301 \| good
2025-10-23T23:00:00.000Z	22 \| good	2.535 \| good	10.219 \| good	23.558 \| good	0.838 \| good	2.61 \| good	0.24 \| good
2025-10-24T00:00:00.000Z	20 \| good	2.28 \| good	10.587 \| good	22.474 \| good	0.959 \| good	6.96 \| good	0.285 \| good
2025-10-24T01:00:00.000Z	22 \| good	3.559 \| good	14.031 \| good	19.755 \| good	1.874 \| good	10.603 \| good	0.298 \| good
2025-10-24T02:00:00.000Z	16 \| good	3.15 \| good	11.055 \| good	16.711 \| good	1.188 \| good	15.672 \| good	0.352 \| good
2025-10-24T03:00:00.000Z	13 \| good	1.66 \| good	7.11 \| good	14.388 \| good	0.995 \| good	14.319 \| good	0.187 \| good
2025-10-24T04:00:00.000Z	27 \| good	5.113 \| good	23.216 \| good	12.207 \| good	1.231 \| good	21.269 \| good	0.221 \| good
2025-10-24T05:00:00.000Z	33 \| good	5.731 \| good	27.517 \| good	7.197 \| good	1.045 \| good	16.029 \| good	0.245 \| good
2025-10-24T06:00:00.000Z	33 \| good	5.689 \| good	26.742 \| good	4.256 \| good	1.052 \| good	15.895 \| good	0.257 \| good
2025-10-24T07:00:00.000Z	27 \| good	5.474 \| good	27.998 \| good	5.286 \| good	1.262 \| good	13.55 \| good	0.27 \| good
2025-10-24T08:00:00.000Z	27 \| good	5.093 \| good	16.788 \| good	4.364 \| good	1.231 \| good	12.009 \| good	0.268 \| good
2025-10-24T09:00:00.000Z	22 \| good	4.204 \| good	18.803 \| good	3.964 \| good	0.876 \| good	9.457 \| good	0.243 \| good
2025-10-24T10:00:00.000Z	22 \| good	3.916 \| good	10.368 \| good	4.036 \| good	1.095 \| good	15.95 \| good	0.311 \| good
2025-10-24T11:00:00.000Z	22 \| good	4.237 \| good	20.074 \| good	3.732 \| good	1.148 \| good	14.97 \| good	0.238 \| good
2025-10-24T12:00:00.000Z	22 \| good	4.276 \| good	19.918 \| good	4.264 \| good	1.121 \| good	13.06 \| good	0.288 \| good
2025-10-24T13:00:00.000Z	33 \| good	5.564 \| good	24.516 \| good	4.322 \| good	1.049 \| good	13.558 \| good	0.288 \| good
2025-10-24T14:00:00.000Z	27 \| good	4.717 \| good	20.587 \| good	8.748 \| good	1.09 \| good	18.03 \| good	0.498 \| good
2025-10-24T15:00:00.000Z	27 \| good	4.798 \| good	20.311 \| good	10.551 \| good	1.395 \| good	16.892 \| good	0.25 \| good
2025-10-24T16:00:00.000Z	27 \| good	4.621 \| good	18.301 \| good	12.4 \| good	4.049 \| good	14.413 \| good	0.212 \| good
2025-10-24T17:00:00.000Z	27 \| good	4.775 \| good	24.968 \| good	14.189 \| good	1.004 \| good	6.529 \| good	0.212 \| good
2025-10-24T18:00:00.000Z	33 \| good	5.79 \| good	28.351 \| good	16.127 \| good	0.931 \| good	3.559 \| good	0.198 \| good
2025-10-24T19:00:00.000Z	22 \| good	4.052 \| good	17.021 \| good	19.521 \| good	1.055 \| good	4.527 \| good	0.268 \| good
2025-10-24T20:00:00.000Z	22 \| good	3.52 \| good	14.647 \| good	20.858 \| good	0.849 \| good	4.298 \| good	0.212 \| good
2025-10-24T21:00:00.000Z	23 \| good	3.18 \| good	13.632 \| good	24.878 \| good	0.862 \| good	3.88 \| good	0.198 \| good
2025-10-24T22:00:00.000Z	21 \| good	3.416 \| good	14.108 \| good	23.295 \| good	1.184 \| good	7.489 \| good	0.156 \| good
2025-10-24T23:00:00.000Z	22 \| good	3.515 \| good	14.655 \| good	21.21 \| good	1.865 \| good	12.271 \| good	0.244 \| good
2025-10-25T00:00:00.000Z	27 \| good	4.796 \| good	21.887 \| good	22.246 \| good	1.799 \| good	12.358 \| good	0.268 \| good
2025-10-25T01:00:00.000Z	22 \| good	4.472 \| good	17.558 \| good	14.833 \| good	0.769 \| good	19.813 \| good	0.263 \| good
2025-10-25T02:00:00.000Z	38 \| good	6.614 \| good	25.603 \| good	11.366 \| good	0.744 \| good	21.352 \| good	0.391 \| good
2025-10-25T03:00:00.000Z	52 \| moderate	10.159 \| good	45.364 \| good	1.124 \| good	3.304 \| good	25.25 \| good	0.26 \| good
2025-10-25T04:00:00.000Z	52 \| moderate	9.659 \| good	45.133 \| good	6.371 \| good	1.001 \| good	20.901 \| good	0.45 \| good
2025-10-25T05:00:00.000Z	56 \| moderate	12.412 \| fine	53.999 \| good	5.037 \| good	1.153 \| good	20.412 \| good	0.351 \| good
2025-10-25T06:00:00.000Z	58 \| moderate	13.389 \| fine	46.947 \| good	3.843 \| good	0.953 \| good	20.119 \| good	0.302 \| good
2025-10-25T07:00:00.000Z	60 \| moderate	13.951 \| fine	26.29 \| good	3.709 \| good	0.945 \| good	17.915 \| good	0.302 \| good
2025-10-25T08:00:00.000Z	60 \| moderate	13.573 \| fine	57.258 \| fine	2.062 \| good	0.755 \| good	15.366 \| good	0.302 \| good
2025-10-25T09:00:00.000Z	58 \| moderate	13.358 \| fine	58.281 \| fine	3.173 \| good	0.775 \| good	18.422 \| good	0.288 \| good
2025-10-25T10:00:00.000Z	58 \| moderate	13.482 \| fine	67.485 \| fine	3.554 \| good	0.871 \| good	16.54 \| good	0.264 \| good
2025-10-25T11:00:00.000Z	54 \| moderate	11.373 \| good	46.485 \| good	2.783 \| good	0.861 \| good	18.534 \| good	0.352 \| good
2025-10-25T12:00:00.000Z	58 \| moderate	13.066 \| fine	50.671 \| good	3.709 \| good	0.796 \| good	11.696 \| good	0.315 \| good
2025-10-25T13:00:00.000Z	56 \| moderate	12.479 \| fine	51.178 \| good	2.97 \| good	0.816 \| good	16.53 \| good	0.301 \| good
2025-10-25T14:00:00.000Z	49 \| good	9.398 \| good	37.247 \| good	3.767 \| good	0.664 \| good	18.06 \| good	0.376 \| good
2025-10-25T15:00:00.000Z	54 \| moderate	10.792 \| good	37.37 \| good	5.356 \| good	1.036 \| good	16.594 \| good	0.339 \| good
2025-10-25T16:00:00.000Z	49 \| good	9.214 \| good	33.331 \| good	6.759 \| good	0.774 \| good	13.697 \| good	0.2 \| good
2025-10-25T17:00:00.000Z	49 \| good	9.099 \| good	35.868 \| good	10.096 \| good	0.863 \| good	10.332 \| good	0.163 \| good
2025-10-25T18:00:00.000Z	33 \| good	6.243 \| good	27.021 \| good	14.526 \| good	1.672 \| good	5.501 \| good	0.163 \| good
2025-10-25T19:00:00.000Z	33 \| good	6.269 \| good	26.05 \| good	14.816 \| good	1.693 \| good	5.491 \| good	0.163 \| good
2025-10-23T04:00:00.000Z	16 \| good	0.432 \| good	1.403 \| good	17.44 \| good	0.48 \| good	4.519 \| good	0.14 \| good
2025-10-23T05:00:00.000Z	15 \| good	0.697 \| good	2.601 \| good	16.176 \| good	0.488 \| good	4.255 \| good	0.139 \| good
2025-10-23T06:00:00.000Z	16 \| good	0.679 \| good	2.601 \| good	16.563 \| good	0.496 \| good	3.991 \| good	0.138 \| good
2025-10-23T07:00:00.000Z	15 \| good	0.647 \| good	2.601 \| good	16.27 \| good	0.528 \| good	3.973 \| good	0.136 \| good
2025-10-23T08:00:00.000Z	16 \| good	0.715 \| good	2.973 \| good	16.713 \| good	0.56 \| good	3.954 \| good	0.135 \| good
2025-10-23T09:00:00.000Z	14 \| good	0.708 \| good	2.973 \| good	14.521 \| good	0.592 \| good	3.936 \| good	0.134 \| good
2025-10-23T10:00:00.000Z	13 \| good	0.423 \| good	1.863 \| good	13.762 \| good	0.647 \| good	4.707 \| good	0.137 \| good
2025-10-23T11:00:00.000Z	9 \| good	0.459 \| good	1.754 \| good	9.546 \| good	0.702 \| good	5.478 \| good	0.141 \| good
2025-10-23T12:00:00.000Z	6 \| good	0.822 \| good	3.055 \| good	7.155 \| good	0.757 \| good	6.25 \| good	0.145 \| good
2025-10-23T13:00:00.000Z	8 \| good	0.534 \| good	2 \| good	9.075 \| good	0.778 \| good	5.498 \| good	0.147 \| good
2025-10-23T14:00:00.000Z	14 \| good	1.814 \| good	7.549 \| good	14.695 \| good	0.8 \| good	4.745 \| good	0.148 \| good
2025-10-23T15:00:00.000Z	19 \| good	2.182 \| good	8.836 \| good	19.939 \| good	0.822 \| good	3.993 \| good	0.15 \| good
2025-10-23T16:00:00.000Z	20 \| good	1.902 \| good	7.902 \| good	21.819 \| good	0.702 \| good	3.363 \| good	0.141 \| good
2025-10-23T17:00:00.000Z	21 \| good	1.423 \| good	5.627 \| good	22.869 \| good	0.582 \| good	2.733 \| good	0.132 \| good
2025-10-23T18:00:00.000Z	22 \| good	1.525 \| good	6.057 \| good	23.847 \| good	0.462 \| good	2.102 \| good	0.123 \| good
2025-10-23T19:00:00.000Z	22 \| good	1.41 \| good	5.57 \| good	24.207 \| good	0.453 \| good	2.193 \| good	0.123 \| good
2025-10-23T20:00:00.000Z	24 \| good	1.379 \| good	5.57 \| good	25.869 \| good	0.445 \| good	2.283 \| good	0.123 \| good
2025-10-23T21:00:00.000Z	25 \| good	0.338 \| good	1.281 \| good	27.243 \| good	0.437 \| good	2.373 \| good	0.123 \| good
2025-10-23T22:00:00.000Z	22 \| good	2.008 \| good	8.11 \| good	24.4 \| good	0.539 \| good	5.131 \| good	0.141 \| good
2025-10-23T23:00:00.000Z	22 \| good	4.112 \| good	17.931 \| good	15.074 \| good	0.642 \| good	7.89 \| good	0.158 \| good
2025-10-24T00:00:00.000Z	22 \| good	3.504 \| good	15.484 \| good	12.74 \| good	0.745 \| good	10.648 \| good	0.176 \| good
2025-10-24T01:00:00.000Z	10 \| good	1.19 \| good	4.732 \| good	11.316 \| good	0.8 \| good	11.189 \| good	0.178 \| good
2025-10-24T02:00:00.000Z	11 \| good	1.726 \| good	6.923 \| good	8.012 \| good	0.855 \| good	11.73 \| good	0.18 \| good
2025-10-24T03:00:00.000Z	11 \| good	0.798 \| good	3.141 \| good	8.32 \| good	0.91 \| good	12.272 \| good	0.182 \| good
2025-10-24T04:00:00.000Z	11 \| good	1.174 \| good	4.658 \| good	11.167 \| good	0.894 \| good	11.924 \| good	0.182 \| good
2025-10-24T05:00:00.000Z	11 \| good	0.646 \| good	2.112 \| good	11.856 \| good	0.879 \| good	11.576 \| good	0.181 \| good
2025-10-24T06:00:00.000Z	11 \| good	0.559 \| good	2.027 \| good	11.691 \| good	0.863 \| good	11.228 \| good	0.181 \| good
2025-10-24T07:00:00.000Z	10 \| good	1.18 \| good	4.813 \| good	9.396 \| good	0.863 \| good	10.851 \| good	0.177 \| good
2025-10-24T08:00:00.000Z	11 \| good	1.563 \| good	6.46 \| good	9.003 \| good	0.864 \| good	10.475 \| good	0.174 \| good
2025-10-24T09:00:00.000Z	11 \| good	2.125 \| good	8.614 \| good	8.4 \| good	0.864 \| good	10.098 \| good	0.17 \| good
2025-10-24T10:00:00.000Z	11 \| good	2.267 \| good	9.344 \| good	6.653 \| good	0.941 \| good	11.526 \| good	0.178 \| good
2025-10-24T11:00:00.000Z	22 \| good	4.302 \| good	18.961 \| good	3.952 \| good	1.017 \| good	12.955 \| good	0.187 \| good
2025-10-24T12:00:00.000Z	33 \| good	5.927 \| good	25.775 \| good	1.395 \| good	1.093 \| good	14.384 \| good	0.195 \| good
2025-10-24T13:00:00.000Z	27 \| good	4.876 \| good	21.316 \| good	4.791 \| good	1.311 \| good	12.846 \| good	0.206 \| good
2025-10-24T14:00:00.000Z	22 \| good	4.271 \| good	18.567 \| good	10.956 \| good	1.529 \| good	11.308 \| good	0.217 \| good
2025-10-24T15:00:00.000Z	22 \| good	4.464 \| good	19.31 \| good	16.914 \| good	1.747 \| good	9.77 \| good	0.227 \| good
2025-10-24T16:00:00.000Z	27 \| good	4.591 \| good	19.838 \| good	22.103 \| good	1.56 \| good	7.545 \| good	0.2 \| good
2025-10-24T17:00:00.000Z	24 \| good	4.325 \| good	18.811 \| good	25.714 \| good	1.373 \| good	5.319 \| good	0.172 \| good
2025-10-24T18:00:00.000Z	27 \| good	3.944 \| good	17.089 \| good	29.382 \| good	1.186 \| good	3.094 \| good	0.144 \| good
2025-10-24T19:00:00.000Z	28 \| good	4.685 \| good	20.45 \| good	30.43 \| good	1.285 \| good	3.507 \| good	0.146 \| good
2025-10-24T20:00:00.000Z	27 \| good	5.353 \| good	22.987 \| good	29.359 \| good	1.384 \| good	3.92 \| good	0.149 \| good
2025-10-24T21:00:00.000Z	33 \| good	5.797 \| good	25.08 \| good	28.777 \| good	1.482 \| good	4.333 \| good	0.151 \| good
2025-10-24T22:00:00.000Z	44 \| good	8.439 \| good	37.177 \| good	21.013 \| good	1.846 \| good	12.709 \| good	0.222 \| good
2025-10-24T23:00:00.000Z	56 \| moderate	11.582 \| good	51.754 \| good	14.048 \| good	2.21 \| good	21.085 \| good	0.293 \| good
2025-10-25T00:00:00.000Z	73 \| moderate	20.57 \| fine	20.869 \| good	6.685 \| good	2.635 \| good	30.176 \| good	0.37 \| good
2025-10-25T01:00:00.000Z	60 \| moderate	13.655 \| fine	60.978 \| fine	9.262 \| good	2.842 \| good	29.938 \| good	0.345 \| good
2025-10-25T02:00:00.000Z	62 \| moderate	14.979 \| fine	66.607 \| fine	6.944 \| good	3.11 \| good	30.416 \| good	0.327 \| good
2025-10-25T03:00:00.000Z	64 \| moderate	16.446 \| fine	73.11 \| fine	4.879 \| good	3.377 \| good	30.894 \| good	0.308 \| good

Arlington Heights

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Arlington Heights, Illinois air quality map: Track AQI near you

0.23ppm

How accurate is Illinois, USA air quality data?

Air quality data and pollutant measurements for Illinois, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.

Source: Ambee Data Sources

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Frequently asked questions

How often is the air quality data for Arlington Heights, Illinois updated?

The air quality for Arlington Heights, Illinois is updated every hour.

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

The worst air quality in Arlington Heights, Illinois in the last 24 hours was observed at 03:00:00 on 2025-10-22.

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

In the last 24 hrs, the best air quality in Arlington Heights, Illinois was observed at 01:00:00 on 2025-10-23.

What is the current air quality in Arlington Heights, Illinois?

The current air quality in Arlington Heights, Illinois is 16, categorized as Good based on real-time data.

What pollutant is the most common in Arlington Heights, Illinois?

The most common pollutant in Arlington Heights, Illinois is O3.

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

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

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

The current PM_2.5 concentration at Arlington Heights, Illinois is 2.11 μg/m³.

What is the current concentration of PM₁₀ in Arlington Heights, Illinois?

The current PM₁₀ concentration at Arlington Heights, Illinois is 7.121 μg/m³.

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

The current carbon monoxide (CO) concentration at Arlington Heights, Illinois is 0.231 ppm.

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

The current sulfur dioxide (SO₂) concentration at Arlington Heights, Illinois is 0.643 ppb.

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

The current ozone (O₃) concentration at Arlington Heights, Illinois is 17.082 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Arlington Heights, Illinois is 8.226 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-23T20:00:00.000Z	21 \| good	2.628 \| good	10.909 \| good	22.507 \| good	0.952 \| good	4.979 \| good	0.301 \| good
2025-10-23T21:00:00.000Z	22 \| good	2.365 \| good	9.915 \| good	23.962 \| good	0.943 \| good	4.876 \| good	0.24 \| good
2025-10-23T22:00:00.000Z	22 \| good	2.328 \| good	7.982 \| good	24.174 \| good	1.006 \| good	3.664 \| good	0.301 \| good
2025-10-23T23:00:00.000Z	22 \| good	2.535 \| good	10.219 \| good	23.558 \| good	0.838 \| good	2.61 \| good	0.24 \| good
2025-10-24T00:00:00.000Z	20 \| good	2.28 \| good	10.587 \| good	22.474 \| good	0.959 \| good	6.96 \| good	0.285 \| good
2025-10-24T01:00:00.000Z	22 \| good	3.559 \| good	14.031 \| good	19.755 \| good	1.874 \| good	10.603 \| good	0.298 \| good
2025-10-24T02:00:00.000Z	16 \| good	3.15 \| good	11.055 \| good	16.711 \| good	1.188 \| good	15.672 \| good	0.352 \| good
2025-10-24T03:00:00.000Z	13 \| good	1.66 \| good	7.11 \| good	14.388 \| good	0.995 \| good	14.319 \| good	0.187 \| good
2025-10-24T04:00:00.000Z	27 \| good	5.113 \| good	23.216 \| good	12.207 \| good	1.231 \| good	21.269 \| good	0.221 \| good
2025-10-24T05:00:00.000Z	33 \| good	5.731 \| good	27.517 \| good	7.197 \| good	1.045 \| good	16.029 \| good	0.245 \| good
2025-10-24T06:00:00.000Z	33 \| good	5.689 \| good	26.742 \| good	4.256 \| good	1.052 \| good	15.895 \| good	0.257 \| good
2025-10-24T07:00:00.000Z	27 \| good	5.474 \| good	27.998 \| good	5.286 \| good	1.262 \| good	13.55 \| good	0.27 \| good
2025-10-24T08:00:00.000Z	27 \| good	5.093 \| good	16.788 \| good	4.364 \| good	1.231 \| good	12.009 \| good	0.268 \| good
2025-10-24T09:00:00.000Z	22 \| good	4.204 \| good	18.803 \| good	3.964 \| good	0.876 \| good	9.457 \| good	0.243 \| good
2025-10-24T10:00:00.000Z	22 \| good	3.916 \| good	10.368 \| good	4.036 \| good	1.095 \| good	15.95 \| good	0.311 \| good
2025-10-24T11:00:00.000Z	22 \| good	4.237 \| good	20.074 \| good	3.732 \| good	1.148 \| good	14.97 \| good	0.238 \| good
2025-10-24T12:00:00.000Z	22 \| good	4.276 \| good	19.918 \| good	4.264 \| good	1.121 \| good	13.06 \| good	0.288 \| good
2025-10-24T13:00:00.000Z	33 \| good	5.564 \| good	24.516 \| good	4.322 \| good	1.049 \| good	13.558 \| good	0.288 \| good
2025-10-24T14:00:00.000Z	27 \| good	4.717 \| good	20.587 \| good	8.748 \| good	1.09 \| good	18.03 \| good	0.498 \| good
2025-10-24T15:00:00.000Z	27 \| good	4.798 \| good	20.311 \| good	10.551 \| good	1.395 \| good	16.892 \| good	0.25 \| good
2025-10-24T16:00:00.000Z	27 \| good	4.621 \| good	18.301 \| good	12.4 \| good	4.049 \| good	14.413 \| good	0.212 \| good
2025-10-24T17:00:00.000Z	27 \| good	4.775 \| good	24.968 \| good	14.189 \| good	1.004 \| good	6.529 \| good	0.212 \| good
2025-10-24T18:00:00.000Z	33 \| good	5.79 \| good	28.351 \| good	16.127 \| good	0.931 \| good	3.559 \| good	0.198 \| good
2025-10-24T19:00:00.000Z	22 \| good	4.052 \| good	17.021 \| good	19.521 \| good	1.055 \| good	4.527 \| good	0.268 \| good
2025-10-24T20:00:00.000Z	22 \| good	3.52 \| good	14.647 \| good	20.858 \| good	0.849 \| good	4.298 \| good	0.212 \| good
2025-10-24T21:00:00.000Z	23 \| good	3.18 \| good	13.632 \| good	24.878 \| good	0.862 \| good	3.88 \| good	0.198 \| good
2025-10-24T22:00:00.000Z	21 \| good	3.416 \| good	14.108 \| good	23.295 \| good	1.184 \| good	7.489 \| good	0.156 \| good
2025-10-24T23:00:00.000Z	22 \| good	3.515 \| good	14.655 \| good	21.21 \| good	1.865 \| good	12.271 \| good	0.244 \| good
2025-10-25T00:00:00.000Z	27 \| good	4.796 \| good	21.887 \| good	22.246 \| good	1.799 \| good	12.358 \| good	0.268 \| good
2025-10-25T01:00:00.000Z	22 \| good	4.472 \| good	17.558 \| good	14.833 \| good	0.769 \| good	19.813 \| good	0.263 \| good
2025-10-25T02:00:00.000Z	38 \| good	6.614 \| good	25.603 \| good	11.366 \| good	0.744 \| good	21.352 \| good	0.391 \| good
2025-10-25T03:00:00.000Z	52 \| moderate	10.159 \| good	45.364 \| good	1.124 \| good	3.304 \| good	25.25 \| good	0.26 \| good
2025-10-25T04:00:00.000Z	52 \| moderate	9.659 \| good	45.133 \| good	6.371 \| good	1.001 \| good	20.901 \| good	0.45 \| good
2025-10-25T05:00:00.000Z	56 \| moderate	12.412 \| fine	53.999 \| good	5.037 \| good	1.153 \| good	20.412 \| good	0.351 \| good
2025-10-25T06:00:00.000Z	58 \| moderate	13.389 \| fine	46.947 \| good	3.843 \| good	0.953 \| good	20.119 \| good	0.302 \| good
2025-10-25T07:00:00.000Z	60 \| moderate	13.951 \| fine	26.29 \| good	3.709 \| good	0.945 \| good	17.915 \| good	0.302 \| good
2025-10-25T08:00:00.000Z	60 \| moderate	13.573 \| fine	57.258 \| fine	2.062 \| good	0.755 \| good	15.366 \| good	0.302 \| good
2025-10-25T09:00:00.000Z	58 \| moderate	13.358 \| fine	58.281 \| fine	3.173 \| good	0.775 \| good	18.422 \| good	0.288 \| good
2025-10-25T10:00:00.000Z	58 \| moderate	13.482 \| fine	67.485 \| fine	3.554 \| good	0.871 \| good	16.54 \| good	0.264 \| good
2025-10-25T11:00:00.000Z	54 \| moderate	11.373 \| good	46.485 \| good	2.783 \| good	0.861 \| good	18.534 \| good	0.352 \| good
2025-10-25T12:00:00.000Z	58 \| moderate	13.066 \| fine	50.671 \| good	3.709 \| good	0.796 \| good	11.696 \| good	0.315 \| good
2025-10-25T13:00:00.000Z	56 \| moderate	12.479 \| fine	51.178 \| good	2.97 \| good	0.816 \| good	16.53 \| good	0.301 \| good
2025-10-25T14:00:00.000Z	49 \| good	9.398 \| good	37.247 \| good	3.767 \| good	0.664 \| good	18.06 \| good	0.376 \| good
2025-10-25T15:00:00.000Z	54 \| moderate	10.792 \| good	37.37 \| good	5.356 \| good	1.036 \| good	16.594 \| good	0.339 \| good
2025-10-25T16:00:00.000Z	49 \| good	9.214 \| good	33.331 \| good	6.759 \| good	0.774 \| good	13.697 \| good	0.2 \| good
2025-10-25T17:00:00.000Z	49 \| good	9.099 \| good	35.868 \| good	10.096 \| good	0.863 \| good	10.332 \| good	0.163 \| good
2025-10-25T18:00:00.000Z	33 \| good	6.243 \| good	27.021 \| good	14.526 \| good	1.672 \| good	5.501 \| good	0.163 \| good
2025-10-25T19:00:00.000Z	33 \| good	6.269 \| good	26.05 \| good	14.816 \| good	1.693 \| good	5.491 \| good	0.163 \| good
2025-10-23T04:00:00.000Z	16 \| good	0.432 \| good	1.403 \| good	17.44 \| good	0.48 \| good	4.519 \| good	0.14 \| good
2025-10-23T05:00:00.000Z	15 \| good	0.697 \| good	2.601 \| good	16.176 \| good	0.488 \| good	4.255 \| good	0.139 \| good
2025-10-23T06:00:00.000Z	16 \| good	0.679 \| good	2.601 \| good	16.563 \| good	0.496 \| good	3.991 \| good	0.138 \| good
2025-10-23T07:00:00.000Z	15 \| good	0.647 \| good	2.601 \| good	16.27 \| good	0.528 \| good	3.973 \| good	0.136 \| good
2025-10-23T08:00:00.000Z	16 \| good	0.715 \| good	2.973 \| good	16.713 \| good	0.56 \| good	3.954 \| good	0.135 \| good
2025-10-23T09:00:00.000Z	14 \| good	0.708 \| good	2.973 \| good	14.521 \| good	0.592 \| good	3.936 \| good	0.134 \| good
2025-10-23T10:00:00.000Z	13 \| good	0.423 \| good	1.863 \| good	13.762 \| good	0.647 \| good	4.707 \| good	0.137 \| good
2025-10-23T11:00:00.000Z	9 \| good	0.459 \| good	1.754 \| good	9.546 \| good	0.702 \| good	5.478 \| good	0.141 \| good
2025-10-23T12:00:00.000Z	6 \| good	0.822 \| good	3.055 \| good	7.155 \| good	0.757 \| good	6.25 \| good	0.145 \| good
2025-10-23T13:00:00.000Z	8 \| good	0.534 \| good	2 \| good	9.075 \| good	0.778 \| good	5.498 \| good	0.147 \| good
2025-10-23T14:00:00.000Z	14 \| good	1.814 \| good	7.549 \| good	14.695 \| good	0.8 \| good	4.745 \| good	0.148 \| good
2025-10-23T15:00:00.000Z	19 \| good	2.182 \| good	8.836 \| good	19.939 \| good	0.822 \| good	3.993 \| good	0.15 \| good
2025-10-23T16:00:00.000Z	20 \| good	1.902 \| good	7.902 \| good	21.819 \| good	0.702 \| good	3.363 \| good	0.141 \| good
2025-10-23T17:00:00.000Z	21 \| good	1.423 \| good	5.627 \| good	22.869 \| good	0.582 \| good	2.733 \| good	0.132 \| good
2025-10-23T18:00:00.000Z	22 \| good	1.525 \| good	6.057 \| good	23.847 \| good	0.462 \| good	2.102 \| good	0.123 \| good
2025-10-23T19:00:00.000Z	22 \| good	1.41 \| good	5.57 \| good	24.207 \| good	0.453 \| good	2.193 \| good	0.123 \| good
2025-10-23T20:00:00.000Z	24 \| good	1.379 \| good	5.57 \| good	25.869 \| good	0.445 \| good	2.283 \| good	0.123 \| good
2025-10-23T21:00:00.000Z	25 \| good	0.338 \| good	1.281 \| good	27.243 \| good	0.437 \| good	2.373 \| good	0.123 \| good
2025-10-23T22:00:00.000Z	22 \| good	2.008 \| good	8.11 \| good	24.4 \| good	0.539 \| good	5.131 \| good	0.141 \| good
2025-10-23T23:00:00.000Z	22 \| good	4.112 \| good	17.931 \| good	15.074 \| good	0.642 \| good	7.89 \| good	0.158 \| good
2025-10-24T00:00:00.000Z	22 \| good	3.504 \| good	15.484 \| good	12.74 \| good	0.745 \| good	10.648 \| good	0.176 \| good
2025-10-24T01:00:00.000Z	10 \| good	1.19 \| good	4.732 \| good	11.316 \| good	0.8 \| good	11.189 \| good	0.178 \| good
2025-10-24T02:00:00.000Z	11 \| good	1.726 \| good	6.923 \| good	8.012 \| good	0.855 \| good	11.73 \| good	0.18 \| good
2025-10-24T03:00:00.000Z	11 \| good	0.798 \| good	3.141 \| good	8.32 \| good	0.91 \| good	12.272 \| good	0.182 \| good
2025-10-24T04:00:00.000Z	11 \| good	1.174 \| good	4.658 \| good	11.167 \| good	0.894 \| good	11.924 \| good	0.182 \| good
2025-10-24T05:00:00.000Z	11 \| good	0.646 \| good	2.112 \| good	11.856 \| good	0.879 \| good	11.576 \| good	0.181 \| good
2025-10-24T06:00:00.000Z	11 \| good	0.559 \| good	2.027 \| good	11.691 \| good	0.863 \| good	11.228 \| good	0.181 \| good
2025-10-24T07:00:00.000Z	10 \| good	1.18 \| good	4.813 \| good	9.396 \| good	0.863 \| good	10.851 \| good	0.177 \| good
2025-10-24T08:00:00.000Z	11 \| good	1.563 \| good	6.46 \| good	9.003 \| good	0.864 \| good	10.475 \| good	0.174 \| good
2025-10-24T09:00:00.000Z	11 \| good	2.125 \| good	8.614 \| good	8.4 \| good	0.864 \| good	10.098 \| good	0.17 \| good
2025-10-24T10:00:00.000Z	11 \| good	2.267 \| good	9.344 \| good	6.653 \| good	0.941 \| good	11.526 \| good	0.178 \| good
2025-10-24T11:00:00.000Z	22 \| good	4.302 \| good	18.961 \| good	3.952 \| good	1.017 \| good	12.955 \| good	0.187 \| good
2025-10-24T12:00:00.000Z	33 \| good	5.927 \| good	25.775 \| good	1.395 \| good	1.093 \| good	14.384 \| good	0.195 \| good
2025-10-24T13:00:00.000Z	27 \| good	4.876 \| good	21.316 \| good	4.791 \| good	1.311 \| good	12.846 \| good	0.206 \| good
2025-10-24T14:00:00.000Z	22 \| good	4.271 \| good	18.567 \| good	10.956 \| good	1.529 \| good	11.308 \| good	0.217 \| good
2025-10-24T15:00:00.000Z	22 \| good	4.464 \| good	19.31 \| good	16.914 \| good	1.747 \| good	9.77 \| good	0.227 \| good
2025-10-24T16:00:00.000Z	27 \| good	4.591 \| good	19.838 \| good	22.103 \| good	1.56 \| good	7.545 \| good	0.2 \| good
2025-10-24T17:00:00.000Z	24 \| good	4.325 \| good	18.811 \| good	25.714 \| good	1.373 \| good	5.319 \| good	0.172 \| good
2025-10-24T18:00:00.000Z	27 \| good	3.944 \| good	17.089 \| good	29.382 \| good	1.186 \| good	3.094 \| good	0.144 \| good
2025-10-24T19:00:00.000Z	28 \| good	4.685 \| good	20.45 \| good	30.43 \| good	1.285 \| good	3.507 \| good	0.146 \| good
2025-10-24T20:00:00.000Z	27 \| good	5.353 \| good	22.987 \| good	29.359 \| good	1.384 \| good	3.92 \| good	0.149 \| good
2025-10-24T21:00:00.000Z	33 \| good	5.797 \| good	25.08 \| good	28.777 \| good	1.482 \| good	4.333 \| good	0.151 \| good
2025-10-24T22:00:00.000Z	44 \| good	8.439 \| good	37.177 \| good	21.013 \| good	1.846 \| good	12.709 \| good	0.222 \| good
2025-10-24T23:00:00.000Z	56 \| moderate	11.582 \| good	51.754 \| good	14.048 \| good	2.21 \| good	21.085 \| good	0.293 \| good
2025-10-25T00:00:00.000Z	73 \| moderate	20.57 \| fine	20.869 \| good	6.685 \| good	2.635 \| good	30.176 \| good	0.37 \| good
2025-10-25T01:00:00.000Z	60 \| moderate	13.655 \| fine	60.978 \| fine	9.262 \| good	2.842 \| good	29.938 \| good	0.345 \| good
2025-10-25T02:00:00.000Z	62 \| moderate	14.979 \| fine	66.607 \| fine	6.944 \| good	3.11 \| good	30.416 \| good	0.327 \| good
2025-10-25T03:00:00.000Z	64 \| moderate	16.446 \| fine	73.11 \| fine	4.879 \| good	3.377 \| good	30.894 \| good	0.308 \| good

Arlington Heights, Illinois live air quality index now

Major air pollutants in Arlington Heights, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Arlington Heights, Illinois air quality map: Track AQI near you

Air quality in nearby cities

Rolling Meadows, Illinois

Prospect Heights, Illinois

Mount Prospect, Illinois

Palatine, Illinois

Wheeling, Illinois

Buffalo Grove, Illinois

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Frequently asked questions

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

What is the current concentration of PM10 in Arlington Heights, Illinois?

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

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

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

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

What is the current concentration of PM₁₀ in Arlington Heights, Illinois?

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

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

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