What is the current concentration of PM10 in Marion, Illinois?

The current PM10 concentration at Marion, Illinois is 42.273 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Marion, Illinois is 2.064 ppb.

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

The current ozone (O3) concentration at Marion, Illinois is 35.125 ppm.

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

The current nitrogen dioxide (NO2) concentration at Marion, Illinois is 12.911 ppb.

Live air quality index in Marion, Illinois today

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

Stay updated with real-time air quality in Marion, 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

Marion, Illinois

Last updated: ... (Local time)

Major air pollutants in Marion, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

6.35 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

42.27 μg/m³

155

255

425

605+

Ozone (O₃)

35.13 ppb

201

201+

Sulfur Dioxide (SO₂)

2.06 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

12.91 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.30 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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Marion, Illinois

Scroll To Air Quality Map

Track live Marion, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-02T16:00:00.000Z	38 \| good	6.571 \| good	32.055 \| good	33.525 \| good	1.961 \| good	7.199 \| good	0.246 \| good
2025-06-02T17:00:00.000Z	38 \| good	6.507 \| good	23.421 \| good	37.98 \| good	1.895 \| good	5.595 \| good	0.268 \| good
2025-06-02T18:00:00.000Z	39 \| good	6.914 \| good	25.697 \| good	42.215 \| good	1.588 \| good	4.092 \| good	0.268 \| good
2025-06-02T19:00:00.000Z	45 \| good	7.242 \| good	23.151 \| good	49.385 \| good	1.165 \| good	3.224 \| good	0.257 \| good
2025-06-02T20:00:00.000Z	49 \| good	7.921 \| good	29.491 \| good	53.35 \| good	1.488 \| good	3.352 \| good	0.268 \| good
2025-06-02T21:00:00.000Z	54 \| moderate	11.333 \| good	35.013 \| good	55.167 \| fine	1.572 \| good	2.908 \| good	0.268 \| good
2025-06-02T22:00:00.000Z	58 \| moderate	12.722 \| fine	40.174 \| good	56.452 \| fine	1.027 \| good	5.627 \| good	0.257 \| good
2025-06-02T23:00:00.000Z	60 \| moderate	13.793 \| fine	39.89 \| good	52.635 \| good	0.808 \| good	5.311 \| good	0.279 \| good
2025-06-03T00:00:00.000Z	58 \| moderate	13.2 \| fine	38.925 \| good	50.539 \| good	0.719 \| good	5.57 \| good	0.268 \| good
2025-06-03T01:00:00.000Z	54 \| moderate	10.95 \| good	36.652 \| good	51.777 \| good	0.761 \| good	6.079 \| good	0.306 \| good
2025-06-03T02:00:00.000Z	56 \| moderate	11.899 \| good	40.449 \| good	43.153 \| good	0.747 \| good	7.307 \| good	0.284 \| good
2025-06-03T03:00:00.000Z	54 \| moderate	11.283 \| good	40.482 \| good	38.048 \| good	0.807 \| good	11.481 \| good	0.284 \| good
2025-06-03T04:00:00.000Z	56 \| moderate	11.692 \| good	52.359 \| good	34.219 \| good	0.826 \| good	7.909 \| good	0.273 \| good
2025-06-03T05:00:00.000Z	58 \| moderate	13.361 \| fine	60.923 \| fine	30.745 \| good	0.732 \| good	7.71 \| good	0.257 \| good
2025-06-03T06:00:00.000Z	54 \| moderate	11.393 \| good	51.517 \| good	28.505 \| good	0.682 \| good	9.395 \| good	0.272 \| good
2025-06-03T07:00:00.000Z	56 \| moderate	12.228 \| fine	51.167 \| good	29.449 \| good	0.829 \| good	8.51 \| good	0.289 \| good
2025-06-03T08:00:00.000Z	54 \| moderate	10.978 \| good	48.216 \| good	28.801 \| good	0.665 \| good	8.506 \| good	0.246 \| good
2025-06-03T09:00:00.000Z	54 \| moderate	10.879 \| good	38.761 \| good	29.689 \| good	0.796 \| good	7.587 \| good	0.222 \| good
2025-06-03T10:00:00.000Z	54 \| moderate	11.394 \| good	52.374 \| good	28.003 \| good	0.91 \| good	7.176 \| good	0.2 \| good
2025-06-03T11:00:00.000Z	54 \| moderate	10.847 \| good	40.923 \| good	21.615 \| good	0.568 \| good	9.698 \| good	0.245 \| good
2025-06-03T12:00:00.000Z	52 \| moderate	9.605 \| good	43.496 \| good	26.516 \| good	0.66 \| good	9.727 \| good	0.283 \| good
2025-06-03T13:00:00.000Z	56 \| moderate	11.583 \| good	61.005 \| fine	29.437 \| good	0.595 \| good	9.317 \| good	0.318 \| good
2025-06-03T14:00:00.000Z	56 \| moderate	11.787 \| good	50.614 \| good	32.829 \| good	0.599 \| good	6.794 \| good	0.283 \| good
2025-06-03T15:00:00.000Z	58 \| moderate	12.703 \| fine	53.779 \| good	33.437 \| good	1.003 \| good	4.756 \| good	0.284 \| good
2025-06-03T16:00:00.000Z	60 \| moderate	13.642 \| fine	58.016 \| fine	36.722 \| good	2.177 \| good	3.458 \| good	0.257 \| good
2025-06-03T17:00:00.000Z	62 \| moderate	14.79 \| fine	56.381 \| fine	42.606 \| good	0.995 \| good	3.185 \| good	0.246 \| good
2025-06-03T18:00:00.000Z	64 \| moderate	16.354 \| fine	71.269 \| fine	43.854 \| good	0.997 \| good	2.778 \| good	0.246 \| good
2025-06-03T19:00:00.000Z	66 \| moderate	17.227 \| fine	73.998 \| fine	46.302 \| good	2.196 \| good	2.392 \| good	0.246 \| good
2025-06-03T20:00:00.000Z	67 \| moderate	18.064 \| fine	83.41 \| fine	46.131 \| good	1.294 \| good	2.821 \| good	0.257 \| good
2025-06-03T21:00:00.000Z	67 \| moderate	17.914 \| fine	67.724 \| fine	46.208 \| good	0.705 \| good	2.478 \| good	0.306 \| good
2025-06-03T22:00:00.000Z	69 \| moderate	19.225 \| fine	84.038 \| fine	49.726 \| good	1.421 \| good	2.798 \| good	0.284 \| good
2025-06-03T23:00:00.000Z	67 \| moderate	18.081 \| fine	82.698 \| fine	46.357 \| good	0.821 \| good	3.391 \| good	0.246 \| good
2025-06-04T00:00:00.000Z	73 \| moderate	20.803 \| fine	85.177 \| fine	47.835 \| good	1.909 \| good	3.047 \| good	0.273 \| good
2025-06-04T01:00:00.000Z	69 \| moderate	18.921 \| fine	77.376 \| fine	48.63 \| good	3.573 \| good	4.264 \| good	0.284 \| good
2025-06-04T02:00:00.000Z	67 \| moderate	18.477 \| fine	82.336 \| fine	48.677 \| good	1.206 \| good	4.651 \| good	0.273 \| good
2025-06-04T03:00:00.000Z	58 \| moderate	12.806 \| fine	57.426 \| fine	40.066 \| good	0.464 \| good	1.756 \| good	0.222 \| good
2025-06-04T04:00:00.000Z	67 \| moderate	18.404 \| fine	84.31 \| fine	42.986 \| good	1.91 \| good	5.814 \| good	0.273 \| good
2025-06-04T05:00:00.000Z	67 \| moderate	18.379 \| fine	82.4 \| fine	42.13 \| good	1.705 \| good	7.342 \| good	0.273 \| good
2025-06-04T06:00:00.000Z	67 \| moderate	18.04 \| fine	65.345 \| fine	38.747 \| good	1.177 \| good	5.866 \| good	0.284 \| good
2025-06-04T07:00:00.000Z	69 \| moderate	18.66 \| fine	74.751 \| fine	38.839 \| good	1.923 \| good	5.606 \| good	0.273 \| good
2025-06-04T08:00:00.000Z	69 \| moderate	18.782 \| fine	87.79 \| fine	40.139 \| good	0.795 \| good	5.598 \| good	0.234 \| good
2025-06-04T09:00:00.000Z	66 \| moderate	17.446 \| fine	77.087 \| fine	34.612 \| good	0.647 \| good	3.19 \| good	0.177 \| good
2025-06-04T10:00:00.000Z	67 \| moderate	18.304 \| fine	81.014 \| fine	33.736 \| good	0.528 \| good	3.916 \| good	0.211 \| good
2025-06-04T11:00:00.000Z	67 \| moderate	17.569 \| fine	74.61 \| fine	32.558 \| good	0.48 \| good	8.118 \| good	0.277 \| good
2025-06-04T12:00:00.000Z	62 \| moderate	14.773 \| fine	65.995 \| fine	32.6 \| good	0.539 \| good	10.791 \| good	0.28 \| good
2025-06-04T13:00:00.000Z	60 \| moderate	13.627 \| fine	61.057 \| fine	31.261 \| good	0.623 \| good	1.079 \| good	0.239 \| good
2025-06-04T14:00:00.000Z	34 \| good	4.779 \| good	11.751 \| good	36.819 \| good	0.78 \| good	14.156 \| good	0.327 \| good
2025-06-04T15:00:00.000Z	39 \| good	6.354 \| good	42.273 \| good	35.125 \| good	2.064 \| good	12.911 \| good	0.299 \| good
2025-06-04T15:00:00.000Z	39 \| good	6.354 \| good	42.273 \| good	35.125 \| good	2.064 \| good	12.911 \| good	0.299 \| good
2025-06-04T16:00:00.000Z	58 \| moderate	13.024 \| fine	58.91 \| fine	35.962 \| good	0.704 \| good	0.956 \| good	0.23 \| good
2025-06-04T17:00:00.000Z	58 \| moderate	12.849 \| fine	57.24 \| fine	43.149 \| good	0.765 \| good	0.924 \| good	0.228 \| good
2025-06-04T18:00:00.000Z	60 \| moderate	14.175 \| fine	63.167 \| fine	47.561 \| good	0.827 \| good	0.891 \| good	0.225 \| good
2025-06-04T19:00:00.000Z	60 \| moderate	14.151 \| fine	63.151 \| fine	52.788 \| good	0.697 \| good	1.042 \| good	0.216 \| good
2025-06-04T20:00:00.000Z	58 \| moderate	12.968 \| fine	58.669 \| fine	53.67 \| good	0.779 \| good	1.062 \| good	0.217 \| good
2025-06-04T21:00:00.000Z	58 \| moderate	12.638 \| fine	56.958 \| fine	54.46 \| good	0.862 \| good	1.082 \| good	0.218 \| good
2025-06-04T22:00:00.000Z	54 \| moderate	11.383 \| good	50.31 \| good	49.16 \| good	0.644 \| good	2.389 \| good	0.225 \| good
2025-06-04T23:00:00.000Z	56 \| moderate	12.38 \| fine	55.163 \| fine	43.716 \| good	0.744 \| good	2.253 \| good	0.225 \| good
2025-06-05T00:00:00.000Z	54 \| moderate	11.043 \| good	48.645 \| good	35.962 \| good	0.843 \| good	2.116 \| good	0.225 \| good
2025-06-05T01:00:00.000Z	52 \| moderate	10.11 \| good	45.196 \| good	38.416 \| good	0.427 \| good	3.429 \| good	0.224 \| good
2025-06-05T02:00:00.000Z	49 \| good	8.827 \| good	38.604 \| good	33.609 \| good	0.514 \| good	3.3 \| good	0.226 \| good
2025-06-05T03:00:00.000Z	38 \| good	6.995 \| good	30.914 \| good	29.541 \| good	0.602 \| good	3.171 \| good	0.228 \| good
2025-06-05T04:00:00.000Z	29 \| good	4.405 \| good	19.084 \| good	30.674 \| good	0.255 \| good	3.135 \| good	0.209 \| good
2025-06-05T05:00:00.000Z	30 \| good	3.723 \| good	16.28 \| good	32.431 \| good	0.312 \| good	3.212 \| good	0.214 \| good
2025-06-05T06:00:00.000Z	31 \| good	4.076 \| good	17.574 \| good	32.632 \| good	0.368 \| good	3.288 \| good	0.22 \| good
2025-06-05T07:00:00.000Z	26 \| good	3.964 \| good	17.571 \| good	28.397 \| good	0.172 \| good	3.305 \| good	0.185 \| good
2025-06-05T08:00:00.000Z	24 \| good	3.99 \| good	17.361 \| good	25.886 \| good	0.187 \| good	3.205 \| good	0.187 \| good
2025-06-05T09:00:00.000Z	23 \| good	3.897 \| good	17.09 \| good	25.339 \| good	0.202 \| good	3.105 \| good	0.19 \| good
2025-06-05T10:00:00.000Z	33 \| good	5.798 \| good	25.242 \| good	27.337 \| good	0.144 \| good	1.938 \| good	0.17 \| good
2025-06-05T11:00:00.000Z	31 \| good	5.013 \| good	21.399 \| good	33.525 \| good	0.155 \| good	1.843 \| good	0.172 \| good
2025-06-05T12:00:00.000Z	35 \| good	4.078 \| good	17.908 \| good	38.418 \| good	0.165 \| good	1.747 \| good	0.175 \| good
2025-06-05T13:00:00.000Z	39 \| good	3.821 \| good	16.891 \| good	42.447 \| good	0.304 \| good	0.909 \| good	0.162 \| good
2025-06-05T14:00:00.000Z	38 \| good	3.514 \| good	15.74 \| good	40.713 \| good	0.353 \| good	0.926 \| good	0.165 \| good
2025-06-05T15:00:00.000Z	37 \| good	3.207 \| good	13.782 \| good	40.038 \| good	0.403 \| good	0.943 \| good	0.169 \| good
2025-06-05T16:00:00.000Z	42 \| good	3.288 \| good	14.481 \| good	45.418 \| good	0.254 \| good	0.54 \| good	0.16 \| good
2025-06-05T17:00:00.000Z	44 \| good	4.214 \| good	18.168 \| good	47.692 \| good	0.288 \| good	0.545 \| good	0.16 \| good
2025-06-05T18:00:00.000Z	44 \| good	3.711 \| good	16.189 \| good	47.841 \| good	0.321 \| good	0.549 \| good	0.16 \| good
2025-06-05T19:00:00.000Z	44 \| good	4.09 \| good	17.666 \| good	46.697 \| good	0.408 \| good	0.648 \| good	0.167 \| good
2025-06-05T20:00:00.000Z	42 \| good	4.48 \| good	19.185 \| good	44.869 \| good	0.427 \| good	0.649 \| good	0.165 \| good
2025-06-05T21:00:00.000Z	40 \| good	5.843 \| good	25.343 \| good	43.118 \| good	0.447 \| good	0.651 \| good	0.163 \| good
2025-06-05T22:00:00.000Z	44 \| good	7.883 \| good	34.805 \| good	43.167 \| good	0.472 \| good	1.681 \| good	0.177 \| good
2025-06-05T23:00:00.000Z	45 \| good	8.388 \| good	37.013 \| good	49.361 \| good	0.534 \| good	1.644 \| good	0.176 \| good
2025-06-06T00:00:00.000Z	49 \| good	8.907 \| good	39.429 \| good	40.823 \| good	0.597 \| good	1.607 \| good	0.175 \| good
2025-06-06T01:00:00.000Z	49 \| good	9.199 \| good	40.376 \| good	36.764 \| good	0.419 \| good	6.965 \| good	0.233 \| good
2025-06-06T02:00:00.000Z	52 \| moderate	9.91 \| good	44.193 \| good	31.529 \| good	0.451 \| good	6.687 \| good	0.229 \| good
2025-06-06T03:00:00.000Z	52 \| moderate	9.513 \| good	42.307 \| good	28.183 \| good	0.484 \| good	6.41 \| good	0.225 \| good
2025-06-06T04:00:00.000Z	49 \| good	9.009 \| good	40.136 \| good	24.179 \| good	0.47 \| good	10.964 \| good	0.278 \| good
2025-06-06T05:00:00.000Z	52 \| moderate	9.908 \| good	43.99 \| good	22.034 \| good	0.5 \| good	10.723 \| good	0.274 \| good
2025-06-06T06:00:00.000Z	49 \| good	8.607 \| good	37.879 \| good	20.803 \| good	0.53 \| good	10.483 \| good	0.27 \| good
2025-06-06T07:00:00.000Z	49 \| good	9.39 \| good	41.822 \| good	17.445 \| good	0.278 \| good	6.339 \| good	0.229 \| good
2025-06-06T08:00:00.000Z	52 \| moderate	10.145 \| good	45.035 \| good	16.292 \| good	0.255 \| good	5.532 \| good	0.217 \| good
2025-06-06T09:00:00.000Z	52 \| moderate	10.398 \| good	45.877 \| good	18.224 \| good	0.231 \| good	4.725 \| good	0.206 \| good
2025-06-06T10:00:00.000Z	56 \| moderate	11.961 \| good	52.898 \| good	19.357 \| good	0.274 \| good	2.111 \| good	0.169 \| good
2025-06-06T11:00:00.000Z	52 \| moderate	10.354 \| good	45.547 \| good	19.722 \| good	0.308 \| good	1.886 \| good	0.166 \| good
2025-06-06T12:00:00.000Z	52 \| moderate	10.101 \| good	44.572 \| good	20.959 \| good	0.342 \| good	1.661 \| good	0.162 \| good
2025-06-06T13:00:00.000Z	49 \| good	9.425 \| good	42.058 \| good	26.401 \| good	0.186 \| good	1.157 \| good	0.167 \| good
2025-06-06T14:00:00.000Z	52 \| moderate	10.033 \| good	44.562 \| good	29.598 \| good	0.224 \| good	1.129 \| good	0.168 \| good
2025-06-06T15:00:00.000Z	52 \| moderate	10.184 \| good	45.209 \| good	32.595 \| good	0.262 \| good	1.1 \| good	0.168 \| good

Marion

Get reliable air quality data to drive your business

Marion, Illinois air quality map: Track AQI near you

0.33ppm

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 Marion, Illinois updated?

The air quality for Marion, Illinois is updated every hour.

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

The worst air quality in Marion, Illinois in the last 24 hours was observed at 12:00:00 on 2025-06-04.

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

In the last 24 hrs, the best air quality in Marion, Illinois was observed at 02:00:00 on 2025-06-04.

What is the current air quality in Marion, Illinois?

The current air quality in Marion, Illinois is 39, categorized as Good based on real-time data.

What pollutant is the most common in Marion, Illinois?

The most common pollutant in Marion, Illinois is PM10.

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

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

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

The current PM_2.5 concentration at Marion, Illinois is 6.354 μg/m³.

What is the current concentration of PM₁₀ in Marion, Illinois?

The current PM₁₀ concentration at Marion, Illinois is 42.273 μg/m³.

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

The current carbon monoxide (CO) concentration at Marion, Illinois is 0.299 ppm.

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

The current sulfur dioxide (SO₂) concentration at Marion, Illinois is 2.064 ppb.

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

The current ozone (O₃) concentration at Marion, Illinois is 35.125 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Marion, Illinois is 12.911 ppb.

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