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

The current PM10 concentration at Arlington Heights, Illinois is 28.326 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 0.44 ppb.

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

The current ozone (O3) concentration at Arlington Heights, Illinois is 25.94 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 5.957 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 6.492 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)

6.49 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

28.33 μg/m³

155

255

425

605+

Ozone (O₃)

25.94 ppb

201

201+

Sulfur Dioxide (SO₂)

0.44 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.96 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.17 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
2026-04-25T22:00:00.000Z	31 \| good	4.323 \| good	17.045 \| good	34.243 \| good	0.525 \| good	1.852 \| good	0.153 \| good
2026-04-25T23:00:00.000Z	32 \| good	4.65 \| good	18.199 \| good	34.956 \| good	0.526 \| good	2.077 \| good	0.2 \| good
2026-04-26T00:00:00.000Z	32 \| good	4.955 \| good	19.031 \| good	35.122 \| good	0.466 \| good	2.205 \| good	0.163 \| good
2026-04-26T01:00:00.000Z	32 \| good	5.155 \| good	20.294 \| good	35.485 \| good	0.3 \| good	4.621 \| good	0.234 \| good
2026-04-26T02:00:00.000Z	32 \| good	4.72 \| good	18.24 \| good	35.254 \| good	0.362 \| good	8.95 \| good	0.234 \| good
2026-04-26T03:00:00.000Z	31 \| good	4.329 \| good	17.216 \| good	33.577 \| good	0.328 \| good	8.121 \| good	0.251 \| good
2026-04-26T04:00:00.000Z	31 \| good	4.375 \| good	17.203 \| good	33.627 \| good	0.315 \| good	7.362 \| good	0.236 \| good
2026-04-26T05:00:00.000Z	31 \| good	3.564 \| good	14.075 \| good	33.97 \| good	0.322 \| good	6.111 \| good	0.2 \| good
2026-04-26T06:00:00.000Z	32 \| good	3.535 \| good	14.056 \| good	34.966 \| good	0.312 \| good	3.669 \| good	0.2 \| good
2026-04-26T07:00:00.000Z	32 \| good	2.982 \| good	13.353 \| good	34.99 \| good	0.482 \| good	3.425 \| good	0.197 \| good
2026-04-26T08:00:00.000Z	31 \| good	2.903 \| good	13.205 \| good	33.723 \| good	0.383 \| good	3.159 \| good	0.161 \| good
2026-04-26T09:00:00.000Z	30 \| good	3.03 \| good	14.206 \| good	31.647 \| good	0.418 \| good	2.522 \| good	0.163 \| good
2026-04-26T10:00:00.000Z	28 \| good	3.536 \| good	14.851 \| good	30.069 \| good	0.327 \| good	6.232 \| good	0.153 \| good
2026-04-26T11:00:00.000Z	26 \| good	3.838 \| good	15.734 \| good	27.792 \| good	0.479 \| good	7.772 \| good	0.161 \| good
2026-04-26T12:00:00.000Z	27 \| good	4.552 \| good	18.336 \| good	27.932 \| good	0.518 \| good	3.938 \| good	0.161 \| good
2026-04-26T13:00:00.000Z	49 \| good	8.615 \| good	37.007 \| good	27.411 \| good	0.483 \| good	3.432 \| good	0.161 \| good
2026-04-26T14:00:00.000Z	58 \| moderate	12.507 \| fine	51.724 \| good	28.548 \| good	0.513 \| good	1.475 \| good	0.166 \| good
2026-04-26T15:00:00.000Z	54 \| moderate	10.819 \| good	44.361 \| good	31.58 \| good	0.594 \| good	1.202 \| good	0.161 \| good
2026-04-26T16:00:00.000Z	54 \| moderate	10.91 \| good	45.078 \| good	31.116 \| good	0.643 \| good	1.533 \| good	0.161 \| good
2026-04-26T17:00:00.000Z	52 \| moderate	9.505 \| good	38.523 \| good	31.278 \| good	0.787 \| good	1.727 \| good	0.163 \| good
2026-04-26T18:00:00.000Z	49 \| good	9.407 \| good	37.547 \| good	32.855 \| good	1.932 \| good	1.36 \| good	0.163 \| good
2026-04-26T19:00:00.000Z	52 \| moderate	9.636 \| good	39.906 \| good	35.142 \| good	1.898 \| good	1.462 \| good	0.161 \| good
2026-04-26T20:00:00.000Z	49 \| good	9.192 \| good	37.85 \| good	37.031 \| good	2.17 \| good	1.395 \| good	0.161 \| good
2026-04-26T21:00:00.000Z	49 \| good	8.951 \| good	36.532 \| good	39.76 \| good	2.084 \| good	1.368 \| good	0.161 \| good
2026-04-26T22:00:00.000Z	49 \| good	9.244 \| good	37.118 \| good	39.671 \| good	1.47 \| good	2.503 \| good	0.163 \| good
2026-04-26T23:00:00.000Z	49 \| good	9.398 \| good	38.506 \| good	41.747 \| good	0.803 \| good	3.829 \| good	0.163 \| good
2026-04-27T00:00:00.000Z	49 \| good	9.485 \| good	38.806 \| good	41.991 \| good	0.656 \| good	5.763 \| good	0.153 \| good
2026-04-27T01:00:00.000Z	49 \| good	9.334 \| good	36.867 \| good	41.025 \| good	0.396 \| good	5.441 \| good	0.163 \| good
2026-04-27T02:00:00.000Z	52 \| moderate	9.612 \| good	39.543 \| good	39.937 \| good	0.48 \| good	8.396 \| good	0.174 \| good
2026-04-27T03:00:00.000Z	34 \| good	5.391 \| good	23.448 \| good	36.568 \| good	1.203 \| good	13.373 \| good	0.218 \| good
2026-04-27T04:00:00.000Z	52 \| moderate	9.605 \| good	38.653 \| good	38.235 \| good	0.542 \| good	10.171 \| good	0.163 \| good
2026-04-27T05:00:00.000Z	52 \| moderate	10.221 \| good	40.319 \| good	35.643 \| good	2.228 \| good	4.467 \| good	0.192 \| good
2026-04-27T06:00:00.000Z	52 \| moderate	10.133 \| good	39.006 \| good	35.597 \| good	1.601 \| good	2.041 \| good	0.163 \| good
2026-04-27T07:00:00.000Z	52 \| moderate	10.24 \| good	41.618 \| good	35.139 \| good	0.58 \| good	3.115 \| good	0.163 \| good
2026-04-27T08:00:00.000Z	52 \| moderate	9.782 \| good	39.776 \| good	32.634 \| good	0.346 \| good	2.39 \| good	0.153 \| good
2026-04-27T09:00:00.000Z	49 \| good	8.68 \| good	34.913 \| good	31.086 \| good	0.353 \| good	1.862 \| good	0.153 \| good
2026-04-27T10:00:00.000Z	49 \| good	8.658 \| good	35.118 \| good	30.039 \| good	0.312 \| good	2.046 \| good	0.153 \| good
2026-04-27T11:00:00.000Z	49 \| good	9.006 \| good	36.701 \| good	27.616 \| good	0.395 \| good	2.706 \| good	0.163 \| good
2026-04-27T12:00:00.000Z	49 \| good	9.094 \| good	36.318 \| good	25.052 \| good	0.414 \| good	3.039 \| good	0.153 \| good
2026-04-27T13:00:00.000Z	49 \| good	9.099 \| good	36.333 \| good	21.763 \| good	0.448 \| good	8.964 \| good	0.163 \| good
2026-04-27T14:00:00.000Z	49 \| good	9.139 \| good	36.982 \| good	21.868 \| good	0.434 \| good	5.892 \| good	0.184 \| good
2026-04-27T15:00:00.000Z	49 \| good	8.876 \| good	35.911 \| good	22.206 \| good	0.453 \| good	6.281 \| good	0.174 \| good
2026-04-27T16:00:00.000Z	49 \| good	8.938 \| good	36.27 \| good	21.632 \| good	0.518 \| good	3.739 \| good	0.174 \| good
2026-04-27T17:00:00.000Z	49 \| good	9.022 \| good	37.087 \| good	20.451 \| good	0.508 \| good	3.632 \| good	0.174 \| good
2026-04-27T18:00:00.000Z	49 \| good	9.073 \| good	37.326 \| good	19.101 \| good	0.474 \| good	4.364 \| good	0.174 \| good
2026-04-27T19:00:00.000Z	49 \| good	9.374 \| good	38.828 \| good	16.27 \| good	0.371 \| good	4.328 \| good	0.184 \| good
2026-04-27T20:00:00.000Z	49 \| good	8.552 \| good	35.34 \| good	19.511 \| good	0.447 \| good	6.053 \| good	0.174 \| good
2026-04-27T21:00:00.000Z	44 \| good	8.185 \| good	32.51 \| good	23.227 \| good	0.406 \| good	3.256 \| good	0.176 \| good
2026-04-27T21:00:00.000Z	33 \| good	6.492 \| good	28.326 \| good	25.94 \| good	0.44 \| good	5.957 \| good	0.172 \| good
2026-04-27T22:00:00.000Z	44 \| good	8.108 \| good	35.631 \| good	40.249 \| good	1.426 \| good	5.94 \| good	0.179 \| good
2026-04-27T23:00:00.000Z	44 \| good	8.339 \| good	36.618 \| good	45.12 \| good	1.114 \| good	6.318 \| good	0.178 \| good
2026-04-28T00:00:00.000Z	50 \| good	6.773 \| good	29.778 \| good	54.008 \| good	0.802 \| good	6.697 \| good	0.177 \| good
2026-04-28T01:00:00.000Z	61 \| moderate	6.82 \| good	30.092 \| good	57.586 \| fine	0.745 \| good	6.495 \| good	0.171 \| good
2026-04-28T02:00:00.000Z	58 \| moderate	7.181 \| good	31.689 \| good	57.277 \| fine	0.688 \| good	6.293 \| good	0.166 \| good
2026-04-28T03:00:00.000Z	54 \| moderate	6.936 \| good	30.679 \| good	56.282 \| fine	0.631 \| good	6.092 \| good	0.161 \| good
2026-04-28T04:00:00.000Z	50 \| good	7.026 \| good	31.032 \| good	53.842 \| good	0.6 \| good	5.408 \| good	0.158 \| good
2026-04-28T05:00:00.000Z	47 \| good	6.178 \| good	27.659 \| good	51.23 \| good	0.57 \| good	4.725 \| good	0.156 \| good
2026-04-28T06:00:00.000Z	51 \| moderate	3.723 \| good	16.107 \| good	55.178 \| fine	0.539 \| good	4.042 \| good	0.153 \| good
2026-04-28T07:00:00.000Z	47 \| good	2.95 \| good	12.006 \| good	51.5 \| good	0.481 \| good	3.593 \| good	0.153 \| good
2026-04-28T08:00:00.000Z	34 \| good	3.757 \| good	16.081 \| good	36.797 \| good	0.424 \| good	3.144 \| good	0.154 \| good
2026-04-28T09:00:00.000Z	33 \| good	5.659 \| good	24.602 \| good	31.125 \| good	0.367 \| good	2.695 \| good	0.154 \| good
2026-04-28T10:00:00.000Z	38 \| good	7.003 \| good	31.257 \| good	34.283 \| good	0.382 \| good	2.706 \| good	0.153 \| good
2026-04-28T11:00:00.000Z	38 \| good	7.286 \| good	32.02 \| good	33.345 \| good	0.398 \| good	2.716 \| good	0.152 \| good
2026-04-28T12:00:00.000Z	49 \| good	8.859 \| good	39.555 \| good	31.912 \| good	0.413 \| good	2.727 \| good	0.152 \| good
2026-04-28T13:00:00.000Z	44 \| good	8.19 \| good	36.217 \| good	28.222 \| good	0.467 \| good	2.669 \| good	0.153 \| good
2026-04-28T14:00:00.000Z	44 \| good	7.586 \| good	33.391 \| good	27.774 \| good	0.52 \| good	2.611 \| good	0.154 \| good
2026-04-28T15:00:00.000Z	29 \| good	5.459 \| good	23.475 \| good	30.91 \| good	0.573 \| good	2.553 \| good	0.156 \| good
2026-04-28T16:00:00.000Z	32 \| good	5.292 \| good	22.689 \| good	35.23 \| good	0.544 \| good	2.311 \| good	0.155 \| good
2026-04-28T17:00:00.000Z	36 \| good	5.43 \| good	23.4 \| good	39.059 \| good	0.516 \| good	2.069 \| good	0.153 \| good
2026-04-28T18:00:00.000Z	42 \| good	6.085 \| good	26.809 \| good	44.569 \| good	0.487 \| good	1.826 \| good	0.152 \| good
2026-04-28T19:00:00.000Z	43 \| good	6.292 \| good	27.75 \| good	45.954 \| good	0.504 \| good	1.939 \| good	0.152 \| good
2026-04-28T20:00:00.000Z	46 \| good	6.804 \| good	30.295 \| good	49.951 \| good	0.522 \| good	2.053 \| good	0.151 \| good
2026-04-28T21:00:00.000Z	44 \| good	7.675 \| good	33.376 \| good	48.095 \| good	0.54 \| good	2.166 \| good	0.15 \| good
2026-04-28T22:00:00.000Z	44 \| good	7.698 \| good	33.442 \| good	46.298 \| good	0.597 \| good	4.867 \| good	0.163 \| good
2026-04-28T23:00:00.000Z	43 \| good	6.766 \| good	29.776 \| good	45.575 \| good	0.655 \| good	7.568 \| good	0.176 \| good
2026-04-29T00:00:00.000Z	38 \| good	7.229 \| good	31.711 \| good	40.31 \| good	0.712 \| good	10.269 \| good	0.188 \| good
2026-04-29T01:00:00.000Z	52 \| moderate	9.925 \| good	44.282 \| good	33.376 \| good	0.9 \| good	14.378 \| good	0.207 \| good
2026-04-29T02:00:00.000Z	56 \| moderate	11.613 \| good	51.856 \| good	30.035 \| good	1.089 \| good	18.487 \| good	0.226 \| good
2026-04-29T03:00:00.000Z	58 \| moderate	12.693 \| fine	57.109 \| fine	25.891 \| good	1.278 \| good	22.596 \| good	0.245 \| good
2026-04-29T04:00:00.000Z	58 \| moderate	12.695 \| fine	56.855 \| fine	27.016 \| good	1.391 \| good	22.93 \| good	0.245 \| good
2026-04-29T05:00:00.000Z	56 \| moderate	12.121 \| fine	54.378 \| good	24.112 \| good	1.504 \| good	23.264 \| good	0.245 \| good
2026-04-29T06:00:00.000Z	52 \| moderate	9.959 \| good	44.275 \| good	31.636 \| good	1.617 \| good	23.598 \| good	0.245 \| good
2026-04-29T07:00:00.000Z	38 \| good	6.606 \| good	29.227 \| good	39.338 \| good	1.574 \| good	22.488 \| good	0.235 \| good
2026-04-29T08:00:00.000Z	34 \| good	4.415 \| good	19.076 \| good	36.781 \| good	1.531 \| good	21.378 \| good	0.225 \| good
2026-04-29T09:00:00.000Z	31 \| good	4.328 \| good	18.776 \| good	32.756 \| good	1.487 \| good	20.268 \| good	0.215 \| good
2026-04-29T10:00:00.000Z	29 \| good	3.187 \| good	13.841 \| good	30.77 \| good	1.351 \| good	16.877 \| good	0.203 \| good
2026-04-29T11:00:00.000Z	33 \| good	5.552 \| good	23.801 \| good	30.012 \| good	1.214 \| good	13.485 \| good	0.191 \| good
2026-04-29T12:00:00.000Z	30 \| good	4.567 \| good	20.138 \| good	31.752 \| good	1.077 \| good	10.094 \| good	0.179 \| good
2026-04-29T13:00:00.000Z	31 \| good	3.321 \| good	14.537 \| good	32.897 \| good	1.149 \| good	8.353 \| good	0.176 \| good
2026-04-29T14:00:00.000Z	30 \| good	2.47 \| good	9.972 \| good	31.828 \| good	1.221 \| good	6.613 \| good	0.173 \| good
2026-04-29T15:00:00.000Z	32 \| good	1.75 \| good	7.492 \| good	35.136 \| good	1.293 \| good	4.872 \| good	0.17 \| good
2026-04-29T16:00:00.000Z	34 \| good	1.687 \| good	6.944 \| good	36.807 \| good	1.176 \| good	4.408 \| good	0.164 \| good
2026-04-29T17:00:00.000Z	34 \| good	2.343 \| good	9.65 \| good	37.493 \| good	1.06 \| good	3.944 \| good	0.159 \| good
2026-04-29T18:00:00.000Z	36 \| good	3.367 \| good	14.724 \| good	38.98 \| good	0.943 \| good	3.48 \| good	0.153 \| good
2026-04-29T19:00:00.000Z	35 \| good	2.24 \| good	9.06 \| good	37.587 \| good	0.898 \| good	3.689 \| good	0.152 \| good
2026-04-29T20:00:00.000Z	33 \| good	1.625 \| good	6.638 \| good	36.441 \| good	0.853 \| good	3.897 \| good	0.151 \| good
2026-04-29T21:00:00.000Z	34 \| good	2.537 \| good	10.558 \| good	36.925 \| good	0.807 \| good	4.106 \| good	0.149 \| good

Arlington Heights

Get reliable air quality data to drive your business

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

0.17ppm

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 08:00:00 on 2026-04-27.

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 03:00:00 on 2026-04-27.

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

The current air quality in Arlington Heights, Illinois is 33, 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 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 6.492 μg/m³.

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

The current PM₁₀ concentration at Arlington Heights, Illinois is 28.326 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 0.172 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 0.44 ppb.

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

The current ozone (O₃) concentration at Arlington Heights, Illinois is 25.94 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 5.957 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-25T22:00:00.000Z	31 \| good	4.323 \| good	17.045 \| good	34.243 \| good	0.525 \| good	1.852 \| good	0.153 \| good
2026-04-25T23:00:00.000Z	32 \| good	4.65 \| good	18.199 \| good	34.956 \| good	0.526 \| good	2.077 \| good	0.2 \| good
2026-04-26T00:00:00.000Z	32 \| good	4.955 \| good	19.031 \| good	35.122 \| good	0.466 \| good	2.205 \| good	0.163 \| good
2026-04-26T01:00:00.000Z	32 \| good	5.155 \| good	20.294 \| good	35.485 \| good	0.3 \| good	4.621 \| good	0.234 \| good
2026-04-26T02:00:00.000Z	32 \| good	4.72 \| good	18.24 \| good	35.254 \| good	0.362 \| good	8.95 \| good	0.234 \| good
2026-04-26T03:00:00.000Z	31 \| good	4.329 \| good	17.216 \| good	33.577 \| good	0.328 \| good	8.121 \| good	0.251 \| good
2026-04-26T04:00:00.000Z	31 \| good	4.375 \| good	17.203 \| good	33.627 \| good	0.315 \| good	7.362 \| good	0.236 \| good
2026-04-26T05:00:00.000Z	31 \| good	3.564 \| good	14.075 \| good	33.97 \| good	0.322 \| good	6.111 \| good	0.2 \| good
2026-04-26T06:00:00.000Z	32 \| good	3.535 \| good	14.056 \| good	34.966 \| good	0.312 \| good	3.669 \| good	0.2 \| good
2026-04-26T07:00:00.000Z	32 \| good	2.982 \| good	13.353 \| good	34.99 \| good	0.482 \| good	3.425 \| good	0.197 \| good
2026-04-26T08:00:00.000Z	31 \| good	2.903 \| good	13.205 \| good	33.723 \| good	0.383 \| good	3.159 \| good	0.161 \| good
2026-04-26T09:00:00.000Z	30 \| good	3.03 \| good	14.206 \| good	31.647 \| good	0.418 \| good	2.522 \| good	0.163 \| good
2026-04-26T10:00:00.000Z	28 \| good	3.536 \| good	14.851 \| good	30.069 \| good	0.327 \| good	6.232 \| good	0.153 \| good
2026-04-26T11:00:00.000Z	26 \| good	3.838 \| good	15.734 \| good	27.792 \| good	0.479 \| good	7.772 \| good	0.161 \| good
2026-04-26T12:00:00.000Z	27 \| good	4.552 \| good	18.336 \| good	27.932 \| good	0.518 \| good	3.938 \| good	0.161 \| good
2026-04-26T13:00:00.000Z	49 \| good	8.615 \| good	37.007 \| good	27.411 \| good	0.483 \| good	3.432 \| good	0.161 \| good
2026-04-26T14:00:00.000Z	58 \| moderate	12.507 \| fine	51.724 \| good	28.548 \| good	0.513 \| good	1.475 \| good	0.166 \| good
2026-04-26T15:00:00.000Z	54 \| moderate	10.819 \| good	44.361 \| good	31.58 \| good	0.594 \| good	1.202 \| good	0.161 \| good
2026-04-26T16:00:00.000Z	54 \| moderate	10.91 \| good	45.078 \| good	31.116 \| good	0.643 \| good	1.533 \| good	0.161 \| good
2026-04-26T17:00:00.000Z	52 \| moderate	9.505 \| good	38.523 \| good	31.278 \| good	0.787 \| good	1.727 \| good	0.163 \| good
2026-04-26T18:00:00.000Z	49 \| good	9.407 \| good	37.547 \| good	32.855 \| good	1.932 \| good	1.36 \| good	0.163 \| good
2026-04-26T19:00:00.000Z	52 \| moderate	9.636 \| good	39.906 \| good	35.142 \| good	1.898 \| good	1.462 \| good	0.161 \| good
2026-04-26T20:00:00.000Z	49 \| good	9.192 \| good	37.85 \| good	37.031 \| good	2.17 \| good	1.395 \| good	0.161 \| good
2026-04-26T21:00:00.000Z	49 \| good	8.951 \| good	36.532 \| good	39.76 \| good	2.084 \| good	1.368 \| good	0.161 \| good
2026-04-26T22:00:00.000Z	49 \| good	9.244 \| good	37.118 \| good	39.671 \| good	1.47 \| good	2.503 \| good	0.163 \| good
2026-04-26T23:00:00.000Z	49 \| good	9.398 \| good	38.506 \| good	41.747 \| good	0.803 \| good	3.829 \| good	0.163 \| good
2026-04-27T00:00:00.000Z	49 \| good	9.485 \| good	38.806 \| good	41.991 \| good	0.656 \| good	5.763 \| good	0.153 \| good
2026-04-27T01:00:00.000Z	49 \| good	9.334 \| good	36.867 \| good	41.025 \| good	0.396 \| good	5.441 \| good	0.163 \| good
2026-04-27T02:00:00.000Z	52 \| moderate	9.612 \| good	39.543 \| good	39.937 \| good	0.48 \| good	8.396 \| good	0.174 \| good
2026-04-27T03:00:00.000Z	34 \| good	5.391 \| good	23.448 \| good	36.568 \| good	1.203 \| good	13.373 \| good	0.218 \| good
2026-04-27T04:00:00.000Z	52 \| moderate	9.605 \| good	38.653 \| good	38.235 \| good	0.542 \| good	10.171 \| good	0.163 \| good
2026-04-27T05:00:00.000Z	52 \| moderate	10.221 \| good	40.319 \| good	35.643 \| good	2.228 \| good	4.467 \| good	0.192 \| good
2026-04-27T06:00:00.000Z	52 \| moderate	10.133 \| good	39.006 \| good	35.597 \| good	1.601 \| good	2.041 \| good	0.163 \| good
2026-04-27T07:00:00.000Z	52 \| moderate	10.24 \| good	41.618 \| good	35.139 \| good	0.58 \| good	3.115 \| good	0.163 \| good
2026-04-27T08:00:00.000Z	52 \| moderate	9.782 \| good	39.776 \| good	32.634 \| good	0.346 \| good	2.39 \| good	0.153 \| good
2026-04-27T09:00:00.000Z	49 \| good	8.68 \| good	34.913 \| good	31.086 \| good	0.353 \| good	1.862 \| good	0.153 \| good
2026-04-27T10:00:00.000Z	49 \| good	8.658 \| good	35.118 \| good	30.039 \| good	0.312 \| good	2.046 \| good	0.153 \| good
2026-04-27T11:00:00.000Z	49 \| good	9.006 \| good	36.701 \| good	27.616 \| good	0.395 \| good	2.706 \| good	0.163 \| good
2026-04-27T12:00:00.000Z	49 \| good	9.094 \| good	36.318 \| good	25.052 \| good	0.414 \| good	3.039 \| good	0.153 \| good
2026-04-27T13:00:00.000Z	49 \| good	9.099 \| good	36.333 \| good	21.763 \| good	0.448 \| good	8.964 \| good	0.163 \| good
2026-04-27T14:00:00.000Z	49 \| good	9.139 \| good	36.982 \| good	21.868 \| good	0.434 \| good	5.892 \| good	0.184 \| good
2026-04-27T15:00:00.000Z	49 \| good	8.876 \| good	35.911 \| good	22.206 \| good	0.453 \| good	6.281 \| good	0.174 \| good
2026-04-27T16:00:00.000Z	49 \| good	8.938 \| good	36.27 \| good	21.632 \| good	0.518 \| good	3.739 \| good	0.174 \| good
2026-04-27T17:00:00.000Z	49 \| good	9.022 \| good	37.087 \| good	20.451 \| good	0.508 \| good	3.632 \| good	0.174 \| good
2026-04-27T18:00:00.000Z	49 \| good	9.073 \| good	37.326 \| good	19.101 \| good	0.474 \| good	4.364 \| good	0.174 \| good
2026-04-27T19:00:00.000Z	49 \| good	9.374 \| good	38.828 \| good	16.27 \| good	0.371 \| good	4.328 \| good	0.184 \| good
2026-04-27T20:00:00.000Z	49 \| good	8.552 \| good	35.34 \| good	19.511 \| good	0.447 \| good	6.053 \| good	0.174 \| good
2026-04-27T21:00:00.000Z	44 \| good	8.185 \| good	32.51 \| good	23.227 \| good	0.406 \| good	3.256 \| good	0.176 \| good
2026-04-27T21:00:00.000Z	33 \| good	6.492 \| good	28.326 \| good	25.94 \| good	0.44 \| good	5.957 \| good	0.172 \| good
2026-04-27T22:00:00.000Z	44 \| good	8.108 \| good	35.631 \| good	40.249 \| good	1.426 \| good	5.94 \| good	0.179 \| good
2026-04-27T23:00:00.000Z	44 \| good	8.339 \| good	36.618 \| good	45.12 \| good	1.114 \| good	6.318 \| good	0.178 \| good
2026-04-28T00:00:00.000Z	50 \| good	6.773 \| good	29.778 \| good	54.008 \| good	0.802 \| good	6.697 \| good	0.177 \| good
2026-04-28T01:00:00.000Z	61 \| moderate	6.82 \| good	30.092 \| good	57.586 \| fine	0.745 \| good	6.495 \| good	0.171 \| good
2026-04-28T02:00:00.000Z	58 \| moderate	7.181 \| good	31.689 \| good	57.277 \| fine	0.688 \| good	6.293 \| good	0.166 \| good
2026-04-28T03:00:00.000Z	54 \| moderate	6.936 \| good	30.679 \| good	56.282 \| fine	0.631 \| good	6.092 \| good	0.161 \| good
2026-04-28T04:00:00.000Z	50 \| good	7.026 \| good	31.032 \| good	53.842 \| good	0.6 \| good	5.408 \| good	0.158 \| good
2026-04-28T05:00:00.000Z	47 \| good	6.178 \| good	27.659 \| good	51.23 \| good	0.57 \| good	4.725 \| good	0.156 \| good
2026-04-28T06:00:00.000Z	51 \| moderate	3.723 \| good	16.107 \| good	55.178 \| fine	0.539 \| good	4.042 \| good	0.153 \| good
2026-04-28T07:00:00.000Z	47 \| good	2.95 \| good	12.006 \| good	51.5 \| good	0.481 \| good	3.593 \| good	0.153 \| good
2026-04-28T08:00:00.000Z	34 \| good	3.757 \| good	16.081 \| good	36.797 \| good	0.424 \| good	3.144 \| good	0.154 \| good
2026-04-28T09:00:00.000Z	33 \| good	5.659 \| good	24.602 \| good	31.125 \| good	0.367 \| good	2.695 \| good	0.154 \| good
2026-04-28T10:00:00.000Z	38 \| good	7.003 \| good	31.257 \| good	34.283 \| good	0.382 \| good	2.706 \| good	0.153 \| good
2026-04-28T11:00:00.000Z	38 \| good	7.286 \| good	32.02 \| good	33.345 \| good	0.398 \| good	2.716 \| good	0.152 \| good
2026-04-28T12:00:00.000Z	49 \| good	8.859 \| good	39.555 \| good	31.912 \| good	0.413 \| good	2.727 \| good	0.152 \| good
2026-04-28T13:00:00.000Z	44 \| good	8.19 \| good	36.217 \| good	28.222 \| good	0.467 \| good	2.669 \| good	0.153 \| good
2026-04-28T14:00:00.000Z	44 \| good	7.586 \| good	33.391 \| good	27.774 \| good	0.52 \| good	2.611 \| good	0.154 \| good
2026-04-28T15:00:00.000Z	29 \| good	5.459 \| good	23.475 \| good	30.91 \| good	0.573 \| good	2.553 \| good	0.156 \| good
2026-04-28T16:00:00.000Z	32 \| good	5.292 \| good	22.689 \| good	35.23 \| good	0.544 \| good	2.311 \| good	0.155 \| good
2026-04-28T17:00:00.000Z	36 \| good	5.43 \| good	23.4 \| good	39.059 \| good	0.516 \| good	2.069 \| good	0.153 \| good
2026-04-28T18:00:00.000Z	42 \| good	6.085 \| good	26.809 \| good	44.569 \| good	0.487 \| good	1.826 \| good	0.152 \| good
2026-04-28T19:00:00.000Z	43 \| good	6.292 \| good	27.75 \| good	45.954 \| good	0.504 \| good	1.939 \| good	0.152 \| good
2026-04-28T20:00:00.000Z	46 \| good	6.804 \| good	30.295 \| good	49.951 \| good	0.522 \| good	2.053 \| good	0.151 \| good
2026-04-28T21:00:00.000Z	44 \| good	7.675 \| good	33.376 \| good	48.095 \| good	0.54 \| good	2.166 \| good	0.15 \| good
2026-04-28T22:00:00.000Z	44 \| good	7.698 \| good	33.442 \| good	46.298 \| good	0.597 \| good	4.867 \| good	0.163 \| good
2026-04-28T23:00:00.000Z	43 \| good	6.766 \| good	29.776 \| good	45.575 \| good	0.655 \| good	7.568 \| good	0.176 \| good
2026-04-29T00:00:00.000Z	38 \| good	7.229 \| good	31.711 \| good	40.31 \| good	0.712 \| good	10.269 \| good	0.188 \| good
2026-04-29T01:00:00.000Z	52 \| moderate	9.925 \| good	44.282 \| good	33.376 \| good	0.9 \| good	14.378 \| good	0.207 \| good
2026-04-29T02:00:00.000Z	56 \| moderate	11.613 \| good	51.856 \| good	30.035 \| good	1.089 \| good	18.487 \| good	0.226 \| good
2026-04-29T03:00:00.000Z	58 \| moderate	12.693 \| fine	57.109 \| fine	25.891 \| good	1.278 \| good	22.596 \| good	0.245 \| good
2026-04-29T04:00:00.000Z	58 \| moderate	12.695 \| fine	56.855 \| fine	27.016 \| good	1.391 \| good	22.93 \| good	0.245 \| good
2026-04-29T05:00:00.000Z	56 \| moderate	12.121 \| fine	54.378 \| good	24.112 \| good	1.504 \| good	23.264 \| good	0.245 \| good
2026-04-29T06:00:00.000Z	52 \| moderate	9.959 \| good	44.275 \| good	31.636 \| good	1.617 \| good	23.598 \| good	0.245 \| good
2026-04-29T07:00:00.000Z	38 \| good	6.606 \| good	29.227 \| good	39.338 \| good	1.574 \| good	22.488 \| good	0.235 \| good
2026-04-29T08:00:00.000Z	34 \| good	4.415 \| good	19.076 \| good	36.781 \| good	1.531 \| good	21.378 \| good	0.225 \| good
2026-04-29T09:00:00.000Z	31 \| good	4.328 \| good	18.776 \| good	32.756 \| good	1.487 \| good	20.268 \| good	0.215 \| good
2026-04-29T10:00:00.000Z	29 \| good	3.187 \| good	13.841 \| good	30.77 \| good	1.351 \| good	16.877 \| good	0.203 \| good
2026-04-29T11:00:00.000Z	33 \| good	5.552 \| good	23.801 \| good	30.012 \| good	1.214 \| good	13.485 \| good	0.191 \| good
2026-04-29T12:00:00.000Z	30 \| good	4.567 \| good	20.138 \| good	31.752 \| good	1.077 \| good	10.094 \| good	0.179 \| good
2026-04-29T13:00:00.000Z	31 \| good	3.321 \| good	14.537 \| good	32.897 \| good	1.149 \| good	8.353 \| good	0.176 \| good
2026-04-29T14:00:00.000Z	30 \| good	2.47 \| good	9.972 \| good	31.828 \| good	1.221 \| good	6.613 \| good	0.173 \| good
2026-04-29T15:00:00.000Z	32 \| good	1.75 \| good	7.492 \| good	35.136 \| good	1.293 \| good	4.872 \| good	0.17 \| good
2026-04-29T16:00:00.000Z	34 \| good	1.687 \| good	6.944 \| good	36.807 \| good	1.176 \| good	4.408 \| good	0.164 \| good
2026-04-29T17:00:00.000Z	34 \| good	2.343 \| good	9.65 \| good	37.493 \| good	1.06 \| good	3.944 \| good	0.159 \| good
2026-04-29T18:00:00.000Z	36 \| good	3.367 \| good	14.724 \| good	38.98 \| good	0.943 \| good	3.48 \| good	0.153 \| good
2026-04-29T19:00:00.000Z	35 \| good	2.24 \| good	9.06 \| good	37.587 \| good	0.898 \| good	3.689 \| good	0.152 \| good
2026-04-29T20:00:00.000Z	33 \| good	1.625 \| good	6.638 \| good	36.441 \| good	0.853 \| good	3.897 \| good	0.151 \| good
2026-04-29T21:00:00.000Z	34 \| good	2.537 \| good	10.558 \| good	36.925 \| good	0.807 \| good	4.106 \| good	0.149 \| 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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Air quality in nearby cities

Rolling Meadows, Illinois

Prospect Heights, Illinois

Mount Prospect, Illinois

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Wheeling, Illinois

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