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

The current PM10 concentration at Arlington Heights, Illinois is 121.548 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 1.793 ppb.

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

The current ozone (O3) concentration at Arlington Heights, Illinois is 39.168 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 3.488 ppb.

Live air quality index in Arlington Heights, Illinois today

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

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)

112

Unhealthy for sensitive groups

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)

39.54 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

121.55 μg/m³

155

255

425

605+

Ozone (O₃)

39.17 ppb

201

201+

Sulfur Dioxide (SO₂)

1.79 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.49 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.28 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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
2025-06-04T07:00:00.000Z	36 \| good	6.187 \| good	27.348 \| good	38.871 \| good	0.323 \| good	2.71 \| good	0.532 \| good
2025-06-04T08:00:00.000Z	35 \| good	5.11 \| good	23.906 \| good	38.288 \| good	0.391 \| good	4.835 \| good	0.715 \| good
2025-06-04T09:00:00.000Z	34 \| good	4.677 \| good	22.079 \| good	37.067 \| good	0.441 \| good	4.088 \| good	0.849 \| good
2025-06-04T10:00:00.000Z	33 \| good	4.703 \| good	20.393 \| good	36.308 \| good	0.525 \| good	4.005 \| good	0.848 \| good
2025-06-04T11:00:00.000Z	33 \| good	5.513 \| good	24.512 \| good	30.118 \| good	0.434 \| good	3.872 \| good	0.903 \| good
2025-06-04T12:00:00.000Z	58 \| moderate	13.328 \| fine	58.579 \| fine	30.847 \| good	0.321 \| good	4.295 \| good	0.7 \| good
2025-06-04T13:00:00.000Z	88 \| moderate	28.856 \| fine	125.064 \| fine	30.593 \| good	0.594 \| good	5.722 \| good	0.264 \| good
2025-06-04T14:00:00.000Z	112 \| sensitive	40.386 \| moderate	177.001 \| moderate	29.498 \| good	0.315 \| good	6.298 \| good	0.796 \| good
2025-06-04T15:00:00.000Z	122 \| sensitive	44.037 \| moderate	197.579 \| moderate	25.83 \| good	0.295 \| good	8.331 \| good	0.797 \| good
2025-06-04T16:00:00.000Z	115 \| sensitive	41.193 \| moderate	183.657 \| moderate	30.522 \| good	0.405 \| good	5.293 \| good	0.512 \| good
2025-06-04T17:00:00.000Z	110 \| sensitive	39.365 \| moderate	173.163 \| moderate	30.486 \| good	0.451 \| good	3.77 \| good	0.628 \| good
2025-06-04T18:00:00.000Z	105 \| sensitive	37.266 \| moderate	163.092 \| moderate	31.276 \| good	0.412 \| good	5.431 \| good	0.635 \| good
2025-06-04T19:00:00.000Z	105 \| sensitive	37.1 \| moderate	161.327 \| moderate	35.456 \| good	0.353 \| good	2.302 \| good	0.578 \| good
2025-06-04T20:00:00.000Z	99 \| moderate	35.183 \| fine	151.021 \| fine	39.209 \| good	0.338 \| good	5.056 \| good	0.393 \| good
2025-06-04T21:00:00.000Z	88 \| moderate	29.29 \| fine	126.953 \| fine	41.729 \| good	0.344 \| good	4.359 \| good	0.334 \| good
2025-06-04T22:00:00.000Z	81 \| moderate	25.303 \| fine	114.147 \| fine	44.389 \| good	0.378 \| good	2.239 \| good	0.334 \| good
2025-06-04T23:00:00.000Z	73 \| moderate	20.728 \| fine	89.194 \| fine	44.448 \| good	0.353 \| good	3.118 \| good	0.326 \| good
2025-06-05T00:00:00.000Z	75 \| moderate	21.761 \| fine	96.499 \| fine	43.059 \| good	0.277 \| good	3.567 \| good	0.34 \| good
2025-06-05T01:00:00.000Z	77 \| moderate	23.24 \| fine	102.251 \| fine	41.298 \| good	0.279 \| good	4.048 \| good	0.397 \| good
2025-06-05T02:00:00.000Z	82 \| moderate	25.802 \| fine	115.537 \| fine	40.559 \| good	0.36 \| good	9.585 \| good	0.507 \| good
2025-06-05T03:00:00.000Z	86 \| moderate	28.005 \| fine	121.666 \| fine	34.057 \| good	0.389 \| good	19.542 \| good	0.501 \| good
2025-06-05T04:00:00.000Z	92 \| moderate	30.743 \| fine	131.769 \| fine	33.661 \| good	0.373 \| good	31.483 \| good	0.548 \| good
2025-06-05T05:00:00.000Z	102 \| sensitive	35.568 \| moderate	156.442 \| moderate	26.385 \| good	0.359 \| good	26.399 \| good	0.509 \| good
2025-06-05T06:00:00.000Z	112 \| sensitive	39.639 \| moderate	178.233 \| moderate	23.823 \| good	0.309 \| good	23.625 \| good	0.509 \| good
2025-06-05T07:00:00.000Z	124 \| sensitive	44.931 \| moderate	201.623 \| moderate	19.37 \| good	0.448 \| good	18.888 \| good	0.473 \| good
2025-06-05T08:00:00.000Z	137 \| sensitive	49.647 \| moderate	223.229 \| moderate	16.129 \| good	0.495 \| good	16.144 \| good	0.452 \| good
2025-06-05T09:00:00.000Z	139 \| sensitive	51.212 \| moderate	227.47 \| moderate	12.449 \| good	0.476 \| good	14.334 \| good	0.489 \| good
2025-06-05T10:00:00.000Z	149 \| sensitive	55.153 \| moderate	243.532 \| moderate	8.174 \| good	0.435 \| good	15.943 \| good	0.479 \| good
2025-06-05T11:00:00.000Z	144 \| sensitive	52.814 \| moderate	231.66 \| moderate	10.517 \| good	0.377 \| good	16.461 \| good	0.564 \| good
2025-06-05T12:00:00.000Z	129 \| sensitive	47.365 \| moderate	209.86 \| moderate	17.115 \| good	0.327 \| good	16.932 \| good	0.563 \| good
2025-06-05T13:00:00.000Z	127 \| sensitive	45.969 \| moderate	205.432 \| moderate	20.771 \| good	0.42 \| good	9.986 \| good	0.49 \| good
2025-06-05T14:00:00.000Z	119 \| sensitive	42.818 \| moderate	185.246 \| moderate	22.656 \| good	0.354 \| good	6.47 \| good	0.409 \| good
2025-06-05T15:00:00.000Z	122 \| sensitive	44.415 \| moderate	198.479 \| moderate	26.392 \| good	0.309 \| good	4.448 \| good	0.394 \| good
2025-06-05T16:00:00.000Z	142 \| sensitive	51.77 \| moderate	228.784 \| moderate	32.776 \| good	0.725 \| good	3.539 \| good	0.392 \| good
2025-06-05T17:00:00.000Z	156 \| unhealthy	61.519 \| poor	255.753 \| poor	39.562 \| good	2.698 \| good	3.776 \| good	0.377 \| good
2025-06-05T18:00:00.000Z	158 \| unhealthy	66.219 \| poor	260.444 \| poor	39.583 \| good	1.251 \| good	3.181 \| good	0.361 \| good
2025-06-05T19:00:00.000Z	162 \| unhealthy	70.973 \| poor	266.115 \| poor	45.944 \| good	1.379 \| good	1.366 \| good	0.308 \| good
2025-06-05T20:00:00.000Z	163 \| unhealthy	71.516 \| poor	270.678 \| poor	50.429 \| good	0.984 \| good	2.972 \| good	0.292 \| good
2025-06-05T21:00:00.000Z	162 \| unhealthy	70.828 \| poor	269.633 \| poor	54.529 \| good	0.978 \| good	3.133 \| good	0.267 \| good
2025-06-05T22:00:00.000Z	160 \| unhealthy	67.796 \| poor	267.178 \| poor	55.277 \| fine	0.475 \| good	5.378 \| good	0.267 \| good
2025-06-05T23:00:00.000Z	157 \| unhealthy	64.377 \| poor	255.818 \| poor	55.712 \| fine	0.412 \| good	5.416 \| good	0.251 \| good
2025-06-06T00:00:00.000Z	154 \| unhealthy	60.349 \| poor	247.092 \| moderate	56.249 \| fine	0.833 \| good	5.693 \| good	0.261 \| good
2025-06-06T01:00:00.000Z	153 \| unhealthy	58.363 \| poor	250.842 \| moderate	50.537 \| good	1.207 \| good	8.09 \| good	0.261 \| good
2025-06-06T02:00:00.000Z	152 \| unhealthy	56.521 \| poor	251.272 \| moderate	48.303 \| good	1.86 \| good	7.058 \| good	0.271 \| good
2025-06-06T03:00:00.000Z	149 \| sensitive	54.561 \| moderate	245.903 \| moderate	48.069 \| good	2.041 \| good	7.455 \| good	0.29 \| good
2025-06-06T04:00:00.000Z	134 \| sensitive	49.444 \| moderate	219.047 \| moderate	47.959 \| good	1.809 \| good	3.498 \| good	0.28 \| good
2025-06-06T05:00:00.000Z	124 \| sensitive	44.644 \| moderate	200.241 \| moderate	45.892 \| good	1.015 \| good	5.595 \| good	0.33 \| good
2025-06-06T06:00:00.000Z	115 \| sensitive	40.838 \| moderate	178.462 \| moderate	37.35 \| good	0.861 \| good	11.526 \| good	0.345 \| good
2025-06-06T05:00:00.000Z	112 \| sensitive	39.536 \| moderate	121.548 \| fine	39.168 \| good	1.793 \| good	3.488 \| good	0.276 \| good
2025-06-06T06:00:00.000Z	122 \| sensitive	43.858 \| moderate	196.231 \| moderate	24.17 \| good	0.835 \| good	6.858 \| good	0.216 \| good
2025-06-06T07:00:00.000Z	120 \| sensitive	43.379 \| moderate	193.178 \| moderate	23.735 \| good	0.944 \| good	5.917 \| good	0.202 \| good
2025-06-06T08:00:00.000Z	107 \| sensitive	38.131 \| moderate	167.748 \| moderate	25.047 \| good	0.954 \| good	6.088 \| good	0.202 \| good
2025-06-06T09:00:00.000Z	100 \| moderate	35.163 \| fine	152.727 \| fine	21.714 \| good	0.964 \| good	6.259 \| good	0.202 \| good
2025-06-06T10:00:00.000Z	102 \| sensitive	35.578 \| moderate	154.587 \| fine	17.369 \| good	1.038 \| good	7.279 \| good	0.219 \| good
2025-06-06T11:00:00.000Z	97 \| moderate	34.13 \| fine	147.378 \| fine	17.882 \| good	1.077 \| good	7.775 \| good	0.222 \| good
2025-06-06T12:00:00.000Z	88 \| moderate	29.162 \| fine	126.506 \| fine	22.932 \| good	1.117 \| good	8.272 \| good	0.225 \| good
2025-06-06T13:00:00.000Z	82 \| moderate	25.669 \| fine	111.684 \| fine	25.671 \| good	1.785 \| good	6.763 \| good	0.252 \| good
2025-06-06T14:00:00.000Z	77 \| moderate	22.509 \| fine	98.36 \| fine	27.597 \| good	1.823 \| good	7.655 \| good	0.26 \| good
2025-06-06T15:00:00.000Z	71 \| moderate	20.259 \| fine	88.988 \| fine	34.263 \| good	1.86 \| good	8.547 \| good	0.267 \| good
2025-06-06T16:00:00.000Z	69 \| moderate	19.035 \| fine	84.106 \| fine	39.934 \| good	1.261 \| good	3.245 \| good	0.226 \| good
2025-06-06T17:00:00.000Z	60 \| moderate	13.755 \| fine	61.687 \| fine	46.431 \| good	1.442 \| good	4.184 \| good	0.234 \| good
2025-06-06T18:00:00.000Z	52 \| moderate	10.197 \| good	45.377 \| good	50.892 \| good	1.622 \| good	5.122 \| good	0.242 \| good
2025-06-06T19:00:00.000Z	48 \| good	7.918 \| good	34.631 \| good	51.834 \| good	1.128 \| good	2.946 \| good	0.216 \| good
2025-06-06T20:00:00.000Z	48 \| good	7.336 \| good	32.47 \| good	52.194 \| good	1.323 \| good	3.9 \| good	0.225 \| good
2025-06-06T21:00:00.000Z	48 \| good	7.712 \| good	33.835 \| good	52.031 \| good	1.519 \| good	4.854 \| good	0.235 \| good
2025-06-06T22:00:00.000Z	49 \| good	8.653 \| good	37.702 \| good	46.085 \| good	1.227 \| good	8.396 \| good	0.252 \| good
2025-06-06T23:00:00.000Z	54 \| moderate	10.524 \| good	46.65 \| good	40.504 \| good	1.337 \| good	10.594 \| good	0.268 \| good
2025-06-07T00:00:00.000Z	60 \| moderate	14.015 \| fine	63.285 \| fine	34.436 \| good	1.447 \| good	12.792 \| good	0.284 \| good
2025-06-07T01:00:00.000Z	67 \| moderate	18.163 \| fine	80.074 \| fine	31.904 \| good	1.427 \| good	15.683 \| good	0.29 \| good
2025-06-07T02:00:00.000Z	75 \| moderate	22.256 \| fine	98.276 \| fine	28.222 \| good	1.463 \| good	16.772 \| good	0.291 \| good
2025-06-07T03:00:00.000Z	75 \| moderate	21.904 \| fine	96.067 \| fine	22.815 \| good	1.499 \| good	17.86 \| good	0.293 \| good
2025-06-07T04:00:00.000Z	66 \| moderate	16.56 \| fine	73.757 \| fine	21.893 \| good	1.441 \| good	12.741 \| good	0.254 \| good
2025-06-07T05:00:00.000Z	56 \| moderate	12.225 \| fine	54.469 \| good	21.156 \| good	1.398 \| good	12.572 \| good	0.248 \| good
2025-06-07T06:00:00.000Z	52 \| moderate	10.162 \| good	44.835 \| good	21.981 \| good	1.354 \| good	12.403 \| good	0.242 \| good
2025-06-07T07:00:00.000Z	54 \| moderate	11.424 \| good	50.366 \| good	23.365 \| good	1.18 \| good	9.295 \| good	0.223 \| good
2025-06-07T08:00:00.000Z	58 \| moderate	12.88 \| fine	58.106 \| fine	21.81 \| good	1.17 \| good	8.86 \| good	0.218 \| good
2025-06-07T09:00:00.000Z	54 \| moderate	10.94 \| good	48.591 \| good	22.275 \| good	1.16 \| good	8.425 \| good	0.212 \| good
2025-06-07T10:00:00.000Z	27 \| good	5.139 \| good	22.332 \| good	24.679 \| good	1.014 \| good	7.037 \| good	0.215 \| good
2025-06-07T11:00:00.000Z	28 \| good	2.209 \| good	9.119 \| good	29.855 \| good	1.051 \| good	7.191 \| good	0.215 \| good
2025-06-07T12:00:00.000Z	38 \| good	6.779 \| good	29.845 \| good	32.639 \| good	1.088 \| good	7.345 \| good	0.215 \| good
2025-06-07T13:00:00.000Z	49 \| good	8.891 \| good	39.423 \| good	31.482 \| good	1.585 \| good	5.5 \| good	0.225 \| good
2025-06-07T14:00:00.000Z	56 \| moderate	11.876 \| good	53.455 \| good	32.747 \| good	1.631 \| good	6.159 \| good	0.232 \| good
2025-06-07T15:00:00.000Z	58 \| moderate	12.559 \| fine	56.168 \| fine	35.12 \| good	1.678 \| good	6.818 \| good	0.238 \| good
2025-06-07T16:00:00.000Z	66 \| moderate	17.036 \| fine	76.15 \| fine	33.774 \| good	1.78 \| good	3.019 \| good	0.2 \| good
2025-06-07T17:00:00.000Z	77 \| moderate	23.389 \| fine	101.99 \| fine	33.44 \| good	1.958 \| good	3.843 \| good	0.211 \| good
2025-06-07T18:00:00.000Z	81 \| moderate	24.574 \| fine	107.19 \| fine	33.406 \| good	2.136 \| good	4.667 \| good	0.222 \| good
2025-06-07T19:00:00.000Z	71 \| moderate	20.361 \| fine	89.872 \| fine	32.055 \| good	1.671 \| good	3.131 \| good	0.205 \| good
2025-06-07T20:00:00.000Z	64 \| moderate	16.377 \| fine	73.242 \| fine	34.052 \| good	1.732 \| good	4.083 \| good	0.216 \| good
2025-06-07T21:00:00.000Z	64 \| moderate	15.515 \| fine	69.422 \| fine	36.854 \| good	1.792 \| good	5.035 \| good	0.227 \| good
2025-06-07T22:00:00.000Z	64 \| moderate	15.601 \| fine	69.263 \| fine	36.252 \| good	1.705 \| good	10.735 \| good	0.259 \| good
2025-06-07T23:00:00.000Z	60 \| moderate	13.962 \| fine	62.841 \| fine	37.138 \| good	1.559 \| good	12.903 \| good	0.274 \| good
2025-06-08T00:00:00.000Z	75 \| moderate	21.824 \| fine	22.097 \| good	47.285 \| good	1.46 \| good	15.462 \| good	0.291 \| good
2025-06-08T01:00:00.000Z	64 \| moderate	15.804 \| fine	70.586 \| fine	33.93 \| good	1.423 \| good	10.894 \| good	0.255 \| good
2025-06-08T02:00:00.000Z	64 \| moderate	15.782 \| fine	69.904 \| fine	34.231 \| good	1.29 \| good	11.216 \| good	0.255 \| good
2025-06-08T03:00:00.000Z	64 \| moderate	15.68 \| fine	69.651 \| fine	32.299 \| good	1.157 \| good	11.539 \| good	0.255 \| good
2025-06-08T04:00:00.000Z	54 \| moderate	11.068 \| good	49.118 \| good	29.05 \| good	1.303 \| good	9.088 \| good	0.238 \| good
2025-06-08T05:00:00.000Z	54 \| moderate	11.238 \| good	49.646 \| good	30.658 \| good	1.218 \| good	9.119 \| good	0.237 \| good

Arlington Heights

Get reliable air quality data to drive your business

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

0.28ppm

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 10:00:00 on 2025-06-05.

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 05:00:00 on 2025-06-05.

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

The current air quality in Arlington Heights, Illinois is 112, categorized as Unhealthy for Sensitive Groups based on real-time data.

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

The most common pollutant in Arlington Heights, Illinois is PM2.5.

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 39.536 μg/m³.

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

The current PM₁₀ concentration at Arlington Heights, Illinois is 121.548 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 0.276 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 1.793 ppb.

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

The current ozone (O₃) concentration at Arlington Heights, Illinois is 39.168 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 3.488 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-04T07:00:00.000Z	36 \| good	6.187 \| good	27.348 \| good	38.871 \| good	0.323 \| good	2.71 \| good	0.532 \| good
2025-06-04T08:00:00.000Z	35 \| good	5.11 \| good	23.906 \| good	38.288 \| good	0.391 \| good	4.835 \| good	0.715 \| good
2025-06-04T09:00:00.000Z	34 \| good	4.677 \| good	22.079 \| good	37.067 \| good	0.441 \| good	4.088 \| good	0.849 \| good
2025-06-04T10:00:00.000Z	33 \| good	4.703 \| good	20.393 \| good	36.308 \| good	0.525 \| good	4.005 \| good	0.848 \| good
2025-06-04T11:00:00.000Z	33 \| good	5.513 \| good	24.512 \| good	30.118 \| good	0.434 \| good	3.872 \| good	0.903 \| good
2025-06-04T12:00:00.000Z	58 \| moderate	13.328 \| fine	58.579 \| fine	30.847 \| good	0.321 \| good	4.295 \| good	0.7 \| good
2025-06-04T13:00:00.000Z	88 \| moderate	28.856 \| fine	125.064 \| fine	30.593 \| good	0.594 \| good	5.722 \| good	0.264 \| good
2025-06-04T14:00:00.000Z	112 \| sensitive	40.386 \| moderate	177.001 \| moderate	29.498 \| good	0.315 \| good	6.298 \| good	0.796 \| good
2025-06-04T15:00:00.000Z	122 \| sensitive	44.037 \| moderate	197.579 \| moderate	25.83 \| good	0.295 \| good	8.331 \| good	0.797 \| good
2025-06-04T16:00:00.000Z	115 \| sensitive	41.193 \| moderate	183.657 \| moderate	30.522 \| good	0.405 \| good	5.293 \| good	0.512 \| good
2025-06-04T17:00:00.000Z	110 \| sensitive	39.365 \| moderate	173.163 \| moderate	30.486 \| good	0.451 \| good	3.77 \| good	0.628 \| good
2025-06-04T18:00:00.000Z	105 \| sensitive	37.266 \| moderate	163.092 \| moderate	31.276 \| good	0.412 \| good	5.431 \| good	0.635 \| good
2025-06-04T19:00:00.000Z	105 \| sensitive	37.1 \| moderate	161.327 \| moderate	35.456 \| good	0.353 \| good	2.302 \| good	0.578 \| good
2025-06-04T20:00:00.000Z	99 \| moderate	35.183 \| fine	151.021 \| fine	39.209 \| good	0.338 \| good	5.056 \| good	0.393 \| good
2025-06-04T21:00:00.000Z	88 \| moderate	29.29 \| fine	126.953 \| fine	41.729 \| good	0.344 \| good	4.359 \| good	0.334 \| good
2025-06-04T22:00:00.000Z	81 \| moderate	25.303 \| fine	114.147 \| fine	44.389 \| good	0.378 \| good	2.239 \| good	0.334 \| good
2025-06-04T23:00:00.000Z	73 \| moderate	20.728 \| fine	89.194 \| fine	44.448 \| good	0.353 \| good	3.118 \| good	0.326 \| good
2025-06-05T00:00:00.000Z	75 \| moderate	21.761 \| fine	96.499 \| fine	43.059 \| good	0.277 \| good	3.567 \| good	0.34 \| good
2025-06-05T01:00:00.000Z	77 \| moderate	23.24 \| fine	102.251 \| fine	41.298 \| good	0.279 \| good	4.048 \| good	0.397 \| good
2025-06-05T02:00:00.000Z	82 \| moderate	25.802 \| fine	115.537 \| fine	40.559 \| good	0.36 \| good	9.585 \| good	0.507 \| good
2025-06-05T03:00:00.000Z	86 \| moderate	28.005 \| fine	121.666 \| fine	34.057 \| good	0.389 \| good	19.542 \| good	0.501 \| good
2025-06-05T04:00:00.000Z	92 \| moderate	30.743 \| fine	131.769 \| fine	33.661 \| good	0.373 \| good	31.483 \| good	0.548 \| good
2025-06-05T05:00:00.000Z	102 \| sensitive	35.568 \| moderate	156.442 \| moderate	26.385 \| good	0.359 \| good	26.399 \| good	0.509 \| good
2025-06-05T06:00:00.000Z	112 \| sensitive	39.639 \| moderate	178.233 \| moderate	23.823 \| good	0.309 \| good	23.625 \| good	0.509 \| good
2025-06-05T07:00:00.000Z	124 \| sensitive	44.931 \| moderate	201.623 \| moderate	19.37 \| good	0.448 \| good	18.888 \| good	0.473 \| good
2025-06-05T08:00:00.000Z	137 \| sensitive	49.647 \| moderate	223.229 \| moderate	16.129 \| good	0.495 \| good	16.144 \| good	0.452 \| good
2025-06-05T09:00:00.000Z	139 \| sensitive	51.212 \| moderate	227.47 \| moderate	12.449 \| good	0.476 \| good	14.334 \| good	0.489 \| good
2025-06-05T10:00:00.000Z	149 \| sensitive	55.153 \| moderate	243.532 \| moderate	8.174 \| good	0.435 \| good	15.943 \| good	0.479 \| good
2025-06-05T11:00:00.000Z	144 \| sensitive	52.814 \| moderate	231.66 \| moderate	10.517 \| good	0.377 \| good	16.461 \| good	0.564 \| good
2025-06-05T12:00:00.000Z	129 \| sensitive	47.365 \| moderate	209.86 \| moderate	17.115 \| good	0.327 \| good	16.932 \| good	0.563 \| good
2025-06-05T13:00:00.000Z	127 \| sensitive	45.969 \| moderate	205.432 \| moderate	20.771 \| good	0.42 \| good	9.986 \| good	0.49 \| good
2025-06-05T14:00:00.000Z	119 \| sensitive	42.818 \| moderate	185.246 \| moderate	22.656 \| good	0.354 \| good	6.47 \| good	0.409 \| good
2025-06-05T15:00:00.000Z	122 \| sensitive	44.415 \| moderate	198.479 \| moderate	26.392 \| good	0.309 \| good	4.448 \| good	0.394 \| good
2025-06-05T16:00:00.000Z	142 \| sensitive	51.77 \| moderate	228.784 \| moderate	32.776 \| good	0.725 \| good	3.539 \| good	0.392 \| good
2025-06-05T17:00:00.000Z	156 \| unhealthy	61.519 \| poor	255.753 \| poor	39.562 \| good	2.698 \| good	3.776 \| good	0.377 \| good
2025-06-05T18:00:00.000Z	158 \| unhealthy	66.219 \| poor	260.444 \| poor	39.583 \| good	1.251 \| good	3.181 \| good	0.361 \| good
2025-06-05T19:00:00.000Z	162 \| unhealthy	70.973 \| poor	266.115 \| poor	45.944 \| good	1.379 \| good	1.366 \| good	0.308 \| good
2025-06-05T20:00:00.000Z	163 \| unhealthy	71.516 \| poor	270.678 \| poor	50.429 \| good	0.984 \| good	2.972 \| good	0.292 \| good
2025-06-05T21:00:00.000Z	162 \| unhealthy	70.828 \| poor	269.633 \| poor	54.529 \| good	0.978 \| good	3.133 \| good	0.267 \| good
2025-06-05T22:00:00.000Z	160 \| unhealthy	67.796 \| poor	267.178 \| poor	55.277 \| fine	0.475 \| good	5.378 \| good	0.267 \| good
2025-06-05T23:00:00.000Z	157 \| unhealthy	64.377 \| poor	255.818 \| poor	55.712 \| fine	0.412 \| good	5.416 \| good	0.251 \| good
2025-06-06T00:00:00.000Z	154 \| unhealthy	60.349 \| poor	247.092 \| moderate	56.249 \| fine	0.833 \| good	5.693 \| good	0.261 \| good
2025-06-06T01:00:00.000Z	153 \| unhealthy	58.363 \| poor	250.842 \| moderate	50.537 \| good	1.207 \| good	8.09 \| good	0.261 \| good
2025-06-06T02:00:00.000Z	152 \| unhealthy	56.521 \| poor	251.272 \| moderate	48.303 \| good	1.86 \| good	7.058 \| good	0.271 \| good
2025-06-06T03:00:00.000Z	149 \| sensitive	54.561 \| moderate	245.903 \| moderate	48.069 \| good	2.041 \| good	7.455 \| good	0.29 \| good
2025-06-06T04:00:00.000Z	134 \| sensitive	49.444 \| moderate	219.047 \| moderate	47.959 \| good	1.809 \| good	3.498 \| good	0.28 \| good
2025-06-06T05:00:00.000Z	124 \| sensitive	44.644 \| moderate	200.241 \| moderate	45.892 \| good	1.015 \| good	5.595 \| good	0.33 \| good
2025-06-06T06:00:00.000Z	115 \| sensitive	40.838 \| moderate	178.462 \| moderate	37.35 \| good	0.861 \| good	11.526 \| good	0.345 \| good
2025-06-06T05:00:00.000Z	112 \| sensitive	39.536 \| moderate	121.548 \| fine	39.168 \| good	1.793 \| good	3.488 \| good	0.276 \| good
2025-06-06T06:00:00.000Z	122 \| sensitive	43.858 \| moderate	196.231 \| moderate	24.17 \| good	0.835 \| good	6.858 \| good	0.216 \| good
2025-06-06T07:00:00.000Z	120 \| sensitive	43.379 \| moderate	193.178 \| moderate	23.735 \| good	0.944 \| good	5.917 \| good	0.202 \| good
2025-06-06T08:00:00.000Z	107 \| sensitive	38.131 \| moderate	167.748 \| moderate	25.047 \| good	0.954 \| good	6.088 \| good	0.202 \| good
2025-06-06T09:00:00.000Z	100 \| moderate	35.163 \| fine	152.727 \| fine	21.714 \| good	0.964 \| good	6.259 \| good	0.202 \| good
2025-06-06T10:00:00.000Z	102 \| sensitive	35.578 \| moderate	154.587 \| fine	17.369 \| good	1.038 \| good	7.279 \| good	0.219 \| good
2025-06-06T11:00:00.000Z	97 \| moderate	34.13 \| fine	147.378 \| fine	17.882 \| good	1.077 \| good	7.775 \| good	0.222 \| good
2025-06-06T12:00:00.000Z	88 \| moderate	29.162 \| fine	126.506 \| fine	22.932 \| good	1.117 \| good	8.272 \| good	0.225 \| good
2025-06-06T13:00:00.000Z	82 \| moderate	25.669 \| fine	111.684 \| fine	25.671 \| good	1.785 \| good	6.763 \| good	0.252 \| good
2025-06-06T14:00:00.000Z	77 \| moderate	22.509 \| fine	98.36 \| fine	27.597 \| good	1.823 \| good	7.655 \| good	0.26 \| good
2025-06-06T15:00:00.000Z	71 \| moderate	20.259 \| fine	88.988 \| fine	34.263 \| good	1.86 \| good	8.547 \| good	0.267 \| good
2025-06-06T16:00:00.000Z	69 \| moderate	19.035 \| fine	84.106 \| fine	39.934 \| good	1.261 \| good	3.245 \| good	0.226 \| good
2025-06-06T17:00:00.000Z	60 \| moderate	13.755 \| fine	61.687 \| fine	46.431 \| good	1.442 \| good	4.184 \| good	0.234 \| good
2025-06-06T18:00:00.000Z	52 \| moderate	10.197 \| good	45.377 \| good	50.892 \| good	1.622 \| good	5.122 \| good	0.242 \| good
2025-06-06T19:00:00.000Z	48 \| good	7.918 \| good	34.631 \| good	51.834 \| good	1.128 \| good	2.946 \| good	0.216 \| good
2025-06-06T20:00:00.000Z	48 \| good	7.336 \| good	32.47 \| good	52.194 \| good	1.323 \| good	3.9 \| good	0.225 \| good
2025-06-06T21:00:00.000Z	48 \| good	7.712 \| good	33.835 \| good	52.031 \| good	1.519 \| good	4.854 \| good	0.235 \| good
2025-06-06T22:00:00.000Z	49 \| good	8.653 \| good	37.702 \| good	46.085 \| good	1.227 \| good	8.396 \| good	0.252 \| good
2025-06-06T23:00:00.000Z	54 \| moderate	10.524 \| good	46.65 \| good	40.504 \| good	1.337 \| good	10.594 \| good	0.268 \| good
2025-06-07T00:00:00.000Z	60 \| moderate	14.015 \| fine	63.285 \| fine	34.436 \| good	1.447 \| good	12.792 \| good	0.284 \| good
2025-06-07T01:00:00.000Z	67 \| moderate	18.163 \| fine	80.074 \| fine	31.904 \| good	1.427 \| good	15.683 \| good	0.29 \| good
2025-06-07T02:00:00.000Z	75 \| moderate	22.256 \| fine	98.276 \| fine	28.222 \| good	1.463 \| good	16.772 \| good	0.291 \| good
2025-06-07T03:00:00.000Z	75 \| moderate	21.904 \| fine	96.067 \| fine	22.815 \| good	1.499 \| good	17.86 \| good	0.293 \| good
2025-06-07T04:00:00.000Z	66 \| moderate	16.56 \| fine	73.757 \| fine	21.893 \| good	1.441 \| good	12.741 \| good	0.254 \| good
2025-06-07T05:00:00.000Z	56 \| moderate	12.225 \| fine	54.469 \| good	21.156 \| good	1.398 \| good	12.572 \| good	0.248 \| good
2025-06-07T06:00:00.000Z	52 \| moderate	10.162 \| good	44.835 \| good	21.981 \| good	1.354 \| good	12.403 \| good	0.242 \| good
2025-06-07T07:00:00.000Z	54 \| moderate	11.424 \| good	50.366 \| good	23.365 \| good	1.18 \| good	9.295 \| good	0.223 \| good
2025-06-07T08:00:00.000Z	58 \| moderate	12.88 \| fine	58.106 \| fine	21.81 \| good	1.17 \| good	8.86 \| good	0.218 \| good
2025-06-07T09:00:00.000Z	54 \| moderate	10.94 \| good	48.591 \| good	22.275 \| good	1.16 \| good	8.425 \| good	0.212 \| good
2025-06-07T10:00:00.000Z	27 \| good	5.139 \| good	22.332 \| good	24.679 \| good	1.014 \| good	7.037 \| good	0.215 \| good
2025-06-07T11:00:00.000Z	28 \| good	2.209 \| good	9.119 \| good	29.855 \| good	1.051 \| good	7.191 \| good	0.215 \| good
2025-06-07T12:00:00.000Z	38 \| good	6.779 \| good	29.845 \| good	32.639 \| good	1.088 \| good	7.345 \| good	0.215 \| good
2025-06-07T13:00:00.000Z	49 \| good	8.891 \| good	39.423 \| good	31.482 \| good	1.585 \| good	5.5 \| good	0.225 \| good
2025-06-07T14:00:00.000Z	56 \| moderate	11.876 \| good	53.455 \| good	32.747 \| good	1.631 \| good	6.159 \| good	0.232 \| good
2025-06-07T15:00:00.000Z	58 \| moderate	12.559 \| fine	56.168 \| fine	35.12 \| good	1.678 \| good	6.818 \| good	0.238 \| good
2025-06-07T16:00:00.000Z	66 \| moderate	17.036 \| fine	76.15 \| fine	33.774 \| good	1.78 \| good	3.019 \| good	0.2 \| good
2025-06-07T17:00:00.000Z	77 \| moderate	23.389 \| fine	101.99 \| fine	33.44 \| good	1.958 \| good	3.843 \| good	0.211 \| good
2025-06-07T18:00:00.000Z	81 \| moderate	24.574 \| fine	107.19 \| fine	33.406 \| good	2.136 \| good	4.667 \| good	0.222 \| good
2025-06-07T19:00:00.000Z	71 \| moderate	20.361 \| fine	89.872 \| fine	32.055 \| good	1.671 \| good	3.131 \| good	0.205 \| good
2025-06-07T20:00:00.000Z	64 \| moderate	16.377 \| fine	73.242 \| fine	34.052 \| good	1.732 \| good	4.083 \| good	0.216 \| good
2025-06-07T21:00:00.000Z	64 \| moderate	15.515 \| fine	69.422 \| fine	36.854 \| good	1.792 \| good	5.035 \| good	0.227 \| good
2025-06-07T22:00:00.000Z	64 \| moderate	15.601 \| fine	69.263 \| fine	36.252 \| good	1.705 \| good	10.735 \| good	0.259 \| good
2025-06-07T23:00:00.000Z	60 \| moderate	13.962 \| fine	62.841 \| fine	37.138 \| good	1.559 \| good	12.903 \| good	0.274 \| good
2025-06-08T00:00:00.000Z	75 \| moderate	21.824 \| fine	22.097 \| good	47.285 \| good	1.46 \| good	15.462 \| good	0.291 \| good
2025-06-08T01:00:00.000Z	64 \| moderate	15.804 \| fine	70.586 \| fine	33.93 \| good	1.423 \| good	10.894 \| good	0.255 \| good
2025-06-08T02:00:00.000Z	64 \| moderate	15.782 \| fine	69.904 \| fine	34.231 \| good	1.29 \| good	11.216 \| good	0.255 \| good
2025-06-08T03:00:00.000Z	64 \| moderate	15.68 \| fine	69.651 \| fine	32.299 \| good	1.157 \| good	11.539 \| good	0.255 \| good
2025-06-08T04:00:00.000Z	54 \| moderate	11.068 \| good	49.118 \| good	29.05 \| good	1.303 \| good	9.088 \| good	0.238 \| good
2025-06-08T05:00:00.000Z	54 \| moderate	11.238 \| good	49.646 \| good	30.658 \| good	1.218 \| good	9.119 \| good	0.237 \| good

Live air quality index in Arlington Heights, Illinois today

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

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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?

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