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

The current PM10 concentration at Marion, Illinois is 35.384 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Marion, Illinois is 0.798 ppb.

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

The current ozone (O3) concentration at Marion, Illinois is 42.853 ppm.

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

The current nitrogen dioxide (NO2) concentration at Marion, Illinois is 2.135 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)

Moderate

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)

11.50 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

43.94 μg/m³

155

255

425

605+

Ozone (O₃)

36.16 ppb

201

201+

Sulfur Dioxide (SO₂)

0.57 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.26 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.21 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
2025-07-09T19:00:00.000Z	38 \| good	6.634 \| good	30.496 \| good	39.993 \| good	0.841 \| good	1.797 \| good	0.161 \| good
2025-07-09T20:00:00.000Z	44 \| good	7.594 \| good	35.384 \| good	42.853 \| good	0.798 \| good	2.135 \| good	0.161 \| good
2025-07-09T21:00:00.000Z	45 \| good	7.591 \| good	28.598 \| good	48.897 \| good	0.788 \| good	2.023 \| good	0.15 \| good
2025-07-09T22:00:00.000Z	44 \| good	7.606 \| good	33.252 \| good	48.24 \| good	0.568 \| good	1.445 \| good	0.15 \| good
2025-07-09T23:00:00.000Z	38 \| good	7.094 \| good	34.734 \| good	41.477 \| good	0.678 \| good	1.119 \| good	0.127 \| good
2025-07-10T00:00:00.000Z	41 \| good	6.349 \| good	21.608 \| good	44.106 \| good	0.627 \| good	1.088 \| good	0.127 \| good
2025-07-10T01:00:00.000Z	44 \| good	7.65 \| good	26.455 \| good	41.851 \| good	0.58 \| good	2.643 \| good	0.127 \| good
2025-07-10T02:00:00.000Z	44 \| good	8.224 \| good	31.108 \| good	35.123 \| good	0.597 \| good	3.822 \| good	0.185 \| good
2025-07-10T03:00:00.000Z	44 \| good	7.593 \| good	30.95 \| good	26.093 \| good	0.559 \| good	5.678 \| good	0.208 \| good
2025-07-10T04:00:00.000Z	44 \| good	7.51 \| good	32.361 \| good	26.814 \| good	0.55 \| good	4.826 \| good	0.254 \| good
2025-07-10T05:00:00.000Z	38 \| good	7.165 \| good	32.403 \| good	24.679 \| good	0.571 \| good	9.693 \| good	0.278 \| good
2025-07-10T06:00:00.000Z	38 \| good	6.916 \| good	27.014 \| good	18.214 \| good	0.589 \| good	9.407 \| good	0.287 \| good
2025-07-10T07:00:00.000Z	38 \| good	7.25 \| good	35.843 \| good	15.292 \| good	0.568 \| good	7.21 \| good	0.287 \| good
2025-07-10T08:00:00.000Z	44 \| good	7.504 \| good	35.776 \| good	19.786 \| good	0.57 \| good	6.018 \| good	0.287 \| good
2025-07-10T09:00:00.000Z	44 \| good	7.972 \| good	28.679 \| good	11.835 \| good	0.509 \| good	5.718 \| good	0.254 \| good
2025-07-10T10:00:00.000Z	44 \| good	7.952 \| good	29.731 \| good	6.913 \| good	0.547 \| good	6.646 \| good	0.219 \| good
2025-07-10T11:00:00.000Z	44 \| good	7.529 \| good	30.265 \| good	5.109 \| good	0.501 \| good	10.543 \| good	0.264 \| good
2025-07-10T12:00:00.000Z	56 \| moderate	12.114 \| fine	37.405 \| good	13.018 \| good	0.584 \| good	8.871 \| good	0.314 \| good
2025-07-10T13:00:00.000Z	56 \| moderate	11.876 \| good	35.47 \| good	14.093 \| good	0.548 \| good	8.511 \| good	0.253 \| good
2025-07-10T14:00:00.000Z	44 \| good	8.348 \| good	33.544 \| good	14.606 \| good	0.702 \| good	8.842 \| good	0.275 \| good
2025-07-10T15:00:00.000Z	38 \| good	6.947 \| good	29.375 \| good	21.884 \| good	2.131 \| good	4.235 \| good	0.207 \| good
2025-07-10T16:00:00.000Z	33 \| good	6.117 \| good	28.492 \| good	33.304 \| good	0.774 \| good	4.453 \| good	0.196 \| good
2025-07-10T17:00:00.000Z	38 \| good	6.88 \| good	31.909 \| good	27.659 \| good	0.95 \| good	3.173 \| good	0.196 \| good
2025-07-10T18:00:00.000Z	38 \| good	6.982 \| good	26.094 \| good	38.786 \| good	1.007 \| good	2.633 \| good	0.199 \| good
2025-07-10T19:00:00.000Z	44 \| good	7.796 \| good	29.858 \| good	45.555 \| good	0.732 \| good	2.464 \| good	0.199 \| good
2025-07-10T20:00:00.000Z	41 \| good	7.266 \| good	34.075 \| good	44.331 \| good	0.934 \| good	2.889 \| good	0.194 \| good
2025-07-10T21:00:00.000Z	38 \| good	7.378 \| good	29.934 \| good	41.305 \| good	0.759 \| good	1.934 \| good	0.172 \| good
2025-07-10T22:00:00.000Z	44 \| good	7.309 \| good	22.949 \| good	46.572 \| good	0.767 \| good	4.44 \| good	0.199 \| good
2025-07-10T23:00:00.000Z	47 \| good	7.412 \| good	28.979 \| good	50.802 \| good	0.733 \| good	3.654 \| good	0.199 \| good
2025-07-11T00:00:00.000Z	44 \| good	7.031 \| good	29.565 \| good	48.466 \| good	0.626 \| good	2.269 \| good	0.199 \| good
2025-07-11T01:00:00.000Z	44 \| good	7.909 \| good	25.364 \| good	45.516 \| good	0.651 \| good	1.405 \| good	0.199 \| good
2025-07-11T02:00:00.000Z	38 \| good	7.289 \| good	25.007 \| good	38.763 \| good	0.608 \| good	2.594 \| good	0.223 \| good
2025-07-11T03:00:00.000Z	44 \| good	7.815 \| good	31.32 \| good	32.277 \| good	0.613 \| good	7.951 \| good	0.223 \| good
2025-07-11T04:00:00.000Z	49 \| good	9.234 \| good	32.205 \| good	31.823 \| good	0.533 \| good	7.908 \| good	0.257 \| good
2025-07-11T05:00:00.000Z	52 \| moderate	10.066 \| good	37.246 \| good	31.097 \| good	0.535 \| good	11.676 \| good	0.268 \| good
2025-07-11T06:00:00.000Z	52 \| moderate	9.827 \| good	30.64 \| good	20.368 \| good	0.627 \| good	12.436 \| good	0.218 \| good
2025-07-11T07:00:00.000Z	49 \| good	9.171 \| good	38.408 \| good	26.087 \| good	0.733 \| good	11.376 \| good	0.246 \| good
2025-07-11T08:00:00.000Z	52 \| moderate	9.83 \| good	46.45 \| good	26.724 \| good	0.589 \| good	6.82 \| good	0.207 \| good
2025-07-11T09:00:00.000Z	44 \| good	8.455 \| good	30.789 \| good	22.141 \| good	0.532 \| good	7.68 \| good	0.212 \| good
2025-07-11T10:00:00.000Z	49 \| good	9.407 \| good	36.418 \| good	10.194 \| good	0.59 \| good	8.45 \| good	0.235 \| good
2025-07-11T11:00:00.000Z	49 \| good	8.704 \| good	34.485 \| good	15.932 \| good	1.094 \| good	9.312 \| good	0.268 \| good
2025-07-11T12:00:00.000Z	44 \| good	7.739 \| good	34.686 \| good	18.702 \| good	0.548 \| good	9.945 \| good	0.28 \| good
2025-07-11T13:00:00.000Z	44 \| good	8.141 \| good	28.348 \| good	20.425 \| good	0.586 \| good	6.922 \| good	0.28 \| good
2025-07-11T14:00:00.000Z	44 \| good	7.865 \| good	31.389 \| good	23.125 \| good	0.924 \| good	4.878 \| good	0.246 \| good
2025-07-11T15:00:00.000Z	49 \| good	9.301 \| good	35.147 \| good	27.905 \| good	1.042 \| good	3.73 \| good	0.246 \| good
2025-07-11T16:00:00.000Z	56 \| moderate	11.888 \| good	47.779 \| good	29.943 \| good	0.925 \| good	3.048 \| good	0.207 \| good
2025-07-11T17:00:00.000Z	54 \| moderate	11.496 \| good	43.94 \| good	36.164 \| good	0.568 \| good	2.257 \| good	0.207 \| good
2025-07-11T18:00:00.000Z	54 \| moderate	11.496 \| good	43.94 \| good	36.164 \| good	0.568 \| good	2.257 \| good	0.207 \| good
2025-07-09T21:00:00.000Z	44 \| good	8.039 \| good	35.027 \| good	47.123 \| good	0.519 \| good	0.723 \| good	0.165 \| good
2025-07-09T22:00:00.000Z	44 \| good	7.55 \| good	33.124 \| good	41.74 \| good	0.52 \| good	1.051 \| good	0.17 \| good
2025-07-09T23:00:00.000Z	38 \| good	7.158 \| good	31.839 \| good	37.855 \| good	0.522 \| good	1.378 \| good	0.175 \| good
2025-07-10T00:00:00.000Z	44 \| good	7.897 \| good	34.288 \| good	32.765 \| good	0.523 \| good	1.706 \| good	0.18 \| good
2025-07-10T01:00:00.000Z	44 \| good	7.612 \| good	33.78 \| good	26.421 \| good	0.534 \| good	3.554 \| good	0.205 \| good
2025-07-10T02:00:00.000Z	44 \| good	8.337 \| good	36.88 \| good	19.608 \| good	0.546 \| good	5.402 \| good	0.23 \| good
2025-07-10T03:00:00.000Z	52 \| moderate	9.888 \| good	43.867 \| good	14.978 \| good	0.557 \| good	7.25 \| good	0.255 \| good
2025-07-10T04:00:00.000Z	52 \| moderate	9.895 \| good	44.008 \| good	13.884 \| good	0.555 \| good	7.134 \| good	0.257 \| good
2025-07-10T05:00:00.000Z	49 \| good	9.016 \| good	40.559 \| good	13.767 \| good	0.552 \| good	7.017 \| good	0.258 \| good
2025-07-10T06:00:00.000Z	44 \| good	8.208 \| good	36.008 \| good	14.868 \| good	0.549 \| good	6.901 \| good	0.26 \| good
2025-07-10T07:00:00.000Z	44 \| good	7.822 \| good	34 \| good	14.568 \| good	0.528 \| good	6.993 \| good	0.261 \| good
2025-07-10T08:00:00.000Z	44 \| good	8.095 \| good	35.243 \| good	13.884 \| good	0.506 \| good	7.085 \| good	0.263 \| good
2025-07-10T09:00:00.000Z	44 \| good	8.016 \| good	35.028 \| good	10.46 \| good	0.485 \| good	7.177 \| good	0.264 \| good
2025-07-10T10:00:00.000Z	38 \| good	7.464 \| good	32.839 \| good	9.905 \| good	0.474 \| good	6.805 \| good	0.27 \| good
2025-07-10T11:00:00.000Z	49 \| good	8.568 \| good	37.21 \| good	10.428 \| good	0.463 \| good	6.434 \| good	0.276 \| good
2025-07-10T12:00:00.000Z	49 \| good	9.383 \| good	42.11 \| good	14.461 \| good	0.452 \| good	6.062 \| good	0.283 \| good
2025-07-10T13:00:00.000Z	49 \| good	8.8 \| good	38.728 \| good	22.147 \| good	0.588 \| good	4.41 \| good	0.255 \| good
2025-07-10T14:00:00.000Z	44 \| good	7.79 \| good	34.038 \| good	30.521 \| good	0.725 \| good	2.759 \| good	0.227 \| good
2025-07-10T15:00:00.000Z	44 \| good	7.97 \| good	35.099 \| good	37.073 \| good	0.862 \| good	1.107 \| good	0.2 \| good
2025-07-10T16:00:00.000Z	38 \| good	7.41 \| good	32.502 \| good	39.787 \| good	0.858 \| good	0.941 \| good	0.19 \| good
2025-07-10T17:00:00.000Z	44 \| good	7.513 \| good	33.182 \| good	38.602 \| good	0.854 \| good	0.775 \| good	0.18 \| good
2025-07-10T18:00:00.000Z	38 \| good	6.567 \| good	29.217 \| good	39.432 \| good	0.851 \| good	0.609 \| good	0.17 \| good
2025-07-10T19:00:00.000Z	36 \| good	6.407 \| good	28.243 \| good	39.219 \| good	0.819 \| good	0.612 \| good	0.167 \| good
2025-07-10T20:00:00.000Z	37 \| good	6.311 \| good	28.04 \| good	39.969 \| good	0.787 \| good	0.615 \| good	0.164 \| good
2025-07-10T21:00:00.000Z	38 \| good	6.979 \| good	31.165 \| good	37.496 \| good	0.755 \| good	0.618 \| good	0.161 \| good
2025-07-10T22:00:00.000Z	44 \| good	7.576 \| good	33.358 \| good	34.117 \| good	0.757 \| good	0.96 \| good	0.165 \| good
2025-07-10T23:00:00.000Z	44 \| good	7.862 \| good	34.626 \| good	33.64 \| good	0.758 \| good	1.303 \| good	0.169 \| good
2025-07-11T00:00:00.000Z	44 \| good	8.082 \| good	35.571 \| good	33.645 \| good	0.76 \| good	1.645 \| good	0.173 \| good
2025-07-11T01:00:00.000Z	44 \| good	8.284 \| good	36.399 \| good	26.432 \| good	0.822 \| good	2.922 \| good	0.192 \| good
2025-07-11T02:00:00.000Z	52 \| moderate	9.676 \| good	43.104 \| good	25.63 \| good	0.883 \| good	4.199 \| good	0.212 \| good
2025-07-11T03:00:00.000Z	58 \| moderate	12.583 \| fine	56.878 \| fine	25.969 \| good	0.945 \| good	5.475 \| good	0.231 \| good
2025-07-11T04:00:00.000Z	60 \| moderate	13.525 \| fine	61.098 \| fine	24.321 \| good	0.93 \| good	5.25 \| good	0.234 \| good
2025-07-11T05:00:00.000Z	56 \| moderate	12.316 \| fine	55.24 \| fine	19.399 \| good	0.916 \| good	5.025 \| good	0.236 \| good
2025-07-11T06:00:00.000Z	54 \| moderate	11.16 \| good	49.385 \| good	17.01 \| good	0.901 \| good	4.799 \| good	0.239 \| good
2025-07-11T07:00:00.000Z	52 \| moderate	10.406 \| good	46.29 \| good	12.948 \| good	0.794 \| good	4.553 \| good	0.24 \| good
2025-07-11T08:00:00.000Z	52 \| moderate	10.197 \| good	45.111 \| good	9.996 \| good	0.688 \| good	4.307 \| good	0.242 \| good
2025-07-11T09:00:00.000Z	52 \| moderate	9.922 \| good	44.132 \| good	6.412 \| good	0.582 \| good	4.06 \| good	0.243 \| good
2025-07-11T10:00:00.000Z	54 \| moderate	10.809 \| good	47.678 \| good	5.176 \| good	0.522 \| good	3.866 \| good	0.246 \| good
2025-07-11T11:00:00.000Z	54 \| moderate	11.17 \| good	49.375 \| good	9.14 \| good	0.463 \| good	3.672 \| good	0.249 \| good
2025-07-11T12:00:00.000Z	56 \| moderate	12.21 \| fine	55.139 \| fine	14.01 \| good	0.404 \| good	3.477 \| good	0.252 \| good
2025-07-11T13:00:00.000Z	58 \| moderate	13.412 \| fine	60.988 \| fine	20.691 \| good	0.508 \| good	2.71 \| good	0.24 \| good
2025-07-11T14:00:00.000Z	56 \| moderate	11.779 \| good	52.434 \| good	27.593 \| good	0.611 \| good	1.943 \| good	0.228 \| good
2025-07-11T15:00:00.000Z	58 \| moderate	12.597 \| fine	57.123 \| fine	30.973 \| good	0.715 \| good	1.175 \| good	0.216 \| good
2025-07-11T16:00:00.000Z	56 \| moderate	11.782 \| good	51.961 \| good	33.561 \| good	0.721 \| good	1.018 \| good	0.209 \| good
2025-07-11T17:00:00.000Z	56 \| moderate	11.53 \| good	50.664 \| good	33.319 \| good	0.727 \| good	0.862 \| good	0.202 \| good
2025-07-11T18:00:00.000Z	58 \| moderate	13.436 \| fine	60.758 \| fine	35.218 \| good	0.734 \| good	0.705 \| good	0.195 \| good
2025-07-11T19:00:00.000Z	54 \| moderate	10.963 \| good	48.41 \| good	43.686 \| good	0.706 \| good	0.72 \| good	0.192 \| good
2025-07-11T20:00:00.000Z	49 \| good	9.369 \| good	41.928 \| good	41.337 \| good	0.678 \| good	0.735 \| good	0.19 \| good

Marion

Get reliable air quality data to drive your business

Marion, 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 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 02:00:00 on 2025-07-09.

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 07:00:00 on 2025-07-09.

What is the current air quality in Marion, Illinois?

The current air quality in Marion, Illinois is 44, 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 PM2.5.

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 7.594 μg/m³.

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

The current PM₁₀ concentration at Marion, Illinois is 35.384 μg/m³.

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

The current carbon monoxide (CO) concentration at Marion, Illinois is 0.161 ppm.

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

The current sulfur dioxide (SO₂) concentration at Marion, Illinois is 0.798 ppb.

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

The current ozone (O₃) concentration at Marion, Illinois is 42.853 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Marion, Illinois is 2.135 ppb.

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