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

The current PM10 concentration at Marion, Illinois is 54.618 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Marion, Illinois is 1.02 ppb.

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

The current ozone (O3) concentration at Marion, Illinois is 21.995 ppm.

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

The current nitrogen dioxide (NO2) concentration at Marion, Illinois is 9.149 ppb.

Marion, Illinois live air quality index now

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)

13.30 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

62.11 μg/m³

155

255

425

605+

Ozone (O₃)

27.70 ppb

201

201+

Sulfur Dioxide (SO₂)

0.36 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.47 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 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
2025-09-03T19:00:00.000Z	40 \| good	5.872 \| good	29.138 \| good	43.179 \| good	1.514 \| good	6.105 \| good	0.197 \| good
2025-09-03T20:00:00.000Z	44 \| good	8.019 \| good	23.474 \| good	46.845 \| good	1.029 \| good	4.384 \| good	0.157 \| good
2025-09-03T21:00:00.000Z	42 \| good	6.321 \| good	27.35 \| good	44.788 \| good	1.294 \| good	3.73 \| good	0.17 \| good
2025-09-03T22:00:00.000Z	44 \| good	7.202 \| good	26.263 \| good	47.721 \| good	1.051 \| good	3.23 \| good	0.17 \| good
2025-09-03T23:00:00.000Z	42 \| good	7.445 \| good	22.228 \| good	44.693 \| good	0.998 \| good	3.496 \| good	0.197 \| good
2025-09-04T00:00:00.000Z	41 \| good	6.671 \| good	28.531 \| good	44.258 \| good	0.608 \| good	5.002 \| good	0.169 \| good
2025-09-04T01:00:00.000Z	38 \| good	7.262 \| good	25.47 \| good	40.29 \| good	0.524 \| good	2.675 \| good	0.169 \| good
2025-09-04T02:00:00.000Z	36 \| good	6.003 \| good	26.079 \| good	39.112 \| good	0.642 \| good	3.41 \| good	0.194 \| good
2025-09-04T03:00:00.000Z	49 \| good	9.484 \| good	37.082 \| good	36.255 \| good	0.654 \| good	4.976 \| good	0.298 \| good
2025-09-04T04:00:00.000Z	44 \| good	8.131 \| good	35.07 \| good	37.519 \| good	0.59 \| good	3.715 \| good	0.182 \| good
2025-09-04T05:00:00.000Z	44 \| good	8.061 \| good	42.598 \| good	30.467 \| good	0.907 \| good	2.291 \| good	0.17 \| good
2025-09-04T06:00:00.000Z	52 \| moderate	9.53 \| good	55.553 \| fine	25.655 \| good	0.437 \| good	1.548 \| good	0.169 \| good
2025-09-04T07:00:00.000Z	56 \| moderate	12.393 \| fine	62.754 \| fine	24.688 \| good	0.384 \| good	1.534 \| good	0.157 \| good
2025-09-04T08:00:00.000Z	49 \| good	8.827 \| good	49.114 \| good	25.247 \| good	0.565 \| good	1.639 \| good	0.157 \| good
2025-09-04T09:00:00.000Z	56 \| moderate	12.258 \| fine	43.322 \| good	18.64 \| good	0.662 \| good	2.664 \| good	0.187 \| good
2025-09-04T10:00:00.000Z	60 \| moderate	14.357 \| fine	71.906 \| fine	17.451 \| good	0.586 \| good	2.584 \| good	0.199 \| good
2025-09-04T11:00:00.000Z	62 \| moderate	15.258 \| fine	64.374 \| fine	19.532 \| good	0.858 \| good	4.153 \| good	0.211 \| good
2025-09-04T12:00:00.000Z	56 \| moderate	11.975 \| good	38.809 \| good	16.737 \| good	0.497 \| good	5.043 \| good	0.252 \| good
2025-09-04T13:00:00.000Z	33 \| good	6.068 \| good	26.989 \| good	23.254 \| good	0.312 \| good	2.199 \| good	0.176 \| good
2025-09-04T14:00:00.000Z	62 \| moderate	14.629 \| fine	60.949 \| fine	23.079 \| good	0.506 \| good	3.811 \| good	0.273 \| good
2025-09-04T15:00:00.000Z	58 \| moderate	13.224 \| fine	55.603 \| fine	23.243 \| good	0.762 \| good	2.689 \| good	0.244 \| good
2025-09-04T16:00:00.000Z	66 \| moderate	17.125 \| fine	75.076 \| fine	20.253 \| good	0.677 \| good	3.093 \| good	0.205 \| good
2025-09-04T17:00:00.000Z	62 \| moderate	15.017 \| fine	74.626 \| fine	23.126 \| good	0.649 \| good	2.831 \| good	0.217 \| good
2025-09-04T18:00:00.000Z	62 \| moderate	15.042 \| fine	57.375 \| fine	28.841 \| good	0.672 \| good	3.069 \| good	0.244 \| good
2025-09-04T19:00:00.000Z	64 \| moderate	15.811 \| fine	62.856 \| fine	31.046 \| good	0.838 \| good	3.132 \| good	0.226 \| good
2025-09-04T20:00:00.000Z	62 \| moderate	15.047 \| fine	56.446 \| fine	38.15 \| good	1.197 \| good	3.318 \| good	0.244 \| good
2025-09-04T21:00:00.000Z	58 \| moderate	13.063 \| fine	47.058 \| good	36.013 \| good	0.996 \| good	3.703 \| good	0.244 \| good
2025-09-04T22:00:00.000Z	62 \| moderate	15.355 \| fine	67.438 \| fine	43.004 \| good	2.43 \| good	3.669 \| good	0.244 \| good
2025-09-04T23:00:00.000Z	62 \| moderate	15.214 \| fine	58.422 \| fine	44.298 \| good	4.518 \| good	4.257 \| good	0.244 \| good
2025-09-05T00:00:00.000Z	62 \| moderate	15.195 \| fine	58.376 \| fine	39.591 \| good	2.688 \| good	6.152 \| good	0.215 \| good
2025-09-05T01:00:00.000Z	60 \| moderate	14.49 \| fine	56.47 \| fine	41.569 \| good	2.329 \| good	8.946 \| good	0.297 \| good
2025-09-05T02:00:00.000Z	62 \| moderate	14.937 \| fine	67.156 \| fine	36.076 \| good	2.188 \| good	8.203 \| good	0.319 \| good
2025-09-05T03:00:00.000Z	64 \| moderate	16.132 \| fine	51.834 \| good	30.702 \| good	1.809 \| good	13.731 \| good	0.304 \| good
2025-09-05T04:00:00.000Z	62 \| moderate	14.575 \| fine	54.942 \| good	25.651 \| good	1.473 \| good	9.637 \| good	0.317 \| good
2025-09-05T05:00:00.000Z	60 \| moderate	13.74 \| fine	51.309 \| good	23.076 \| good	1.017 \| good	9.059 \| good	0.329 \| good
2025-09-05T06:00:00.000Z	62 \| moderate	14.776 \| fine	60.423 \| fine	16.672 \| good	0.778 \| good	9.559 \| good	0.339 \| good
2025-09-05T07:00:00.000Z	58 \| moderate	13.47 \| fine	47.43 \| good	14.627 \| good	0.768 \| good	10.662 \| good	0.327 \| good
2025-09-05T08:00:00.000Z	62 \| moderate	14.753 \| fine	52.453 \| good	16.909 \| good	0.587 \| good	10.374 \| good	0.302 \| good
2025-09-05T09:00:00.000Z	62 \| moderate	15.314 \| fine	64.464 \| fine	16.668 \| good	0.908 \| good	7.641 \| good	0.289 \| good
2025-09-05T10:00:00.000Z	60 \| moderate	14.441 \| fine	41.263 \| good	19.18 \| good	0.736 \| good	4.776 \| good	0.289 \| good
2025-09-05T11:00:00.000Z	62 \| moderate	15.358 \| fine	58.508 \| fine	23.298 \| good	0.65 \| good	6.347 \| good	0.289 \| good
2025-09-05T12:00:00.000Z	60 \| moderate	14.302 \| fine	56.966 \| fine	12.093 \| good	0.439 \| good	5.23 \| good	0.316 \| good
2025-09-05T13:00:00.000Z	60 \| moderate	14.461 \| fine	49.161 \| good	12.61 \| good	0.397 \| good	5.141 \| good	0.302 \| good
2025-09-05T14:00:00.000Z	60 \| moderate	14.143 \| fine	47.038 \| good	21.052 \| good	0.345 \| good	3.739 \| good	0.289 \| good
2025-09-05T15:00:00.000Z	60 \| moderate	13.628 \| fine	66.396 \| fine	24.253 \| good	0.276 \| good	2.933 \| good	0.324 \| good
2025-09-05T16:00:00.000Z	60 \| moderate	13.543 \| fine	53.65 \| good	25.36 \| good	0.239 \| good	2.158 \| good	0.257 \| good
2025-09-05T17:00:00.000Z	60 \| moderate	13.902 \| fine	59.974 \| fine	27.642 \| good	0.361 \| good	2.071 \| good	0.244 \| good
2025-09-05T18:00:00.000Z	60 \| moderate	14.08 \| fine	56.469 \| fine	32.54 \| good	0.343 \| good	2.374 \| good	0.224 \| good
2025-09-05T18:00:00.000Z	58 \| moderate	13.297 \| fine	62.106 \| fine	27.703 \| good	0.363 \| good	2.471 \| good	0.241 \| good
2025-09-05T07:00:00.000Z	22 \| good	4.487 \| good	19.042 \| good	17.635 \| good	0.487 \| good	3.875 \| good	0.207 \| good
2025-09-05T08:00:00.000Z	38 \| good	6.604 \| good	29.459 \| good	19.295 \| good	0.512 \| good	3.638 \| good	0.2 \| good
2025-09-05T09:00:00.000Z	44 \| good	7.625 \| good	33.603 \| good	22.355 \| good	0.536 \| good	3.401 \| good	0.194 \| good
2025-09-05T10:00:00.000Z	38 \| good	6.683 \| good	29.712 \| good	21.732 \| good	0.499 \| good	3.388 \| good	0.193 \| good
2025-09-05T11:00:00.000Z	44 \| good	8.03 \| good	35.184 \| good	23.465 \| good	0.463 \| good	3.376 \| good	0.193 \| good
2025-09-05T12:00:00.000Z	44 \| good	8.375 \| good	37.005 \| good	26.51 \| good	0.427 \| good	3.363 \| good	0.192 \| good
2025-09-05T13:00:00.000Z	52 \| moderate	9.752 \| good	43.066 \| good	32.369 \| good	0.487 \| good	2.705 \| good	0.199 \| good
2025-09-05T14:00:00.000Z	44 \| good	7.921 \| good	34.744 \| good	33.559 \| good	0.548 \| good	2.047 \| good	0.205 \| good
2025-09-05T15:00:00.000Z	31 \| good	4.925 \| good	21.058 \| good	33.423 \| good	0.608 \| good	1.389 \| good	0.211 \| good
2025-09-05T16:00:00.000Z	33 \| good	4.353 \| good	19.001 \| good	36.415 \| good	0.626 \| good	1.17 \| good	0.209 \| good
2025-09-05T17:00:00.000Z	36 \| good	4.588 \| good	19.992 \| good	39 \| good	0.644 \| good	0.951 \| good	0.207 \| good
2025-09-05T18:00:00.000Z	38 \| good	4.633 \| good	20.062 \| good	40.855 \| good	0.663 \| good	0.731 \| good	0.205 \| good
2025-09-05T19:00:00.000Z	39 \| good	4.309 \| good	18.992 \| good	41.717 \| good	0.598 \| good	0.734 \| good	0.198 \| good
2025-09-05T20:00:00.000Z	38 \| good	4.508 \| good	19.329 \| good	40.679 \| good	0.533 \| good	0.737 \| good	0.191 \| good
2025-09-05T21:00:00.000Z	37 \| good	6.338 \| good	27.904 \| good	40.421 \| good	0.468 \| good	0.74 \| good	0.184 \| good
2025-09-05T22:00:00.000Z	38 \| good	7.422 \| good	32.773 \| good	40.799 \| good	0.491 \| good	1.151 \| good	0.18 \| good
2025-09-05T23:00:00.000Z	34 \| good	5.761 \| good	24.91 \| good	37.316 \| good	0.515 \| good	1.563 \| good	0.176 \| good
2025-09-06T00:00:00.000Z	27 \| good	3.85 \| good	17.028 \| good	28.921 \| good	0.539 \| good	1.974 \| good	0.173 \| good
2025-09-06T01:00:00.000Z	38 \| good	6.999 \| good	31.186 \| good	27.309 \| good	0.584 \| good	2.209 \| good	0.171 \| good
2025-09-06T02:00:00.000Z	38 \| good	6.904 \| good	30.374 \| good	27.813 \| good	0.629 \| good	2.444 \| good	0.169 \| good
2025-09-06T03:00:00.000Z	38 \| good	7.032 \| good	30.938 \| good	25.924 \| good	0.674 \| good	2.679 \| good	0.168 \| good
2025-09-06T04:00:00.000Z	33 \| good	5.78 \| good	25.124 \| good	22.653 \| good	0.649 \| good	2.898 \| good	0.171 \| good
2025-09-06T05:00:00.000Z	33 \| good	6.497 \| good	29.303 \| good	23.648 \| good	0.625 \| good	3.118 \| good	0.174 \| good
2025-09-06T06:00:00.000Z	33 \| good	6.081 \| good	27 \| good	20.767 \| good	0.601 \| good	3.337 \| good	0.178 \| good
2025-09-06T07:00:00.000Z	27 \| good	5.459 \| good	23.142 \| good	18.163 \| good	0.619 \| good	3.492 \| good	0.18 \| good
2025-09-06T08:00:00.000Z	27 \| good	5.405 \| good	23.099 \| good	17.235 \| good	0.636 \| good	3.647 \| good	0.183 \| good
2025-09-06T09:00:00.000Z	27 \| good	5.297 \| good	22.962 \| good	16.427 \| good	0.653 \| good	3.802 \| good	0.185 \| good
2025-09-06T10:00:00.000Z	33 \| good	6.182 \| good	27.697 \| good	12.223 \| good	0.665 \| good	3.891 \| good	0.188 \| good
2025-09-06T11:00:00.000Z	38 \| good	6.557 \| good	29.024 \| good	12.923 \| good	0.677 \| good	3.981 \| good	0.191 \| good
2025-09-06T12:00:00.000Z	38 \| good	6.984 \| good	30.676 \| good	15.591 \| good	0.689 \| good	4.07 \| good	0.194 \| good
2025-09-06T13:00:00.000Z	38 \| good	6.996 \| good	30.574 \| good	22.419 \| good	0.722 \| good	3.193 \| good	0.196 \| good
2025-09-06T14:00:00.000Z	33 \| good	6.218 \| good	27.589 \| good	29.305 \| good	0.754 \| good	2.316 \| good	0.199 \| good
2025-09-06T15:00:00.000Z	31 \| good	5.398 \| good	23.455 \| good	32.719 \| good	0.787 \| good	1.439 \| good	0.201 \| good
2025-09-06T16:00:00.000Z	34 \| good	5.009 \| good	21.477 \| good	37.077 \| good	0.767 \| good	1.144 \| good	0.195 \| good
2025-09-06T17:00:00.000Z	37 \| good	4.343 \| good	19.325 \| good	40.012 \| good	0.748 \| good	0.848 \| good	0.188 \| good
2025-09-06T18:00:00.000Z	38 \| good	2.715 \| good	11.155 \| good	41.033 \| good	0.728 \| good	0.553 \| good	0.182 \| good
2025-09-06T19:00:00.000Z	39 \| good	2.827 \| good	11.876 \| good	42.287 \| good	0.666 \| good	0.565 \| good	0.176 \| good
2025-09-06T20:00:00.000Z	42 \| good	3.063 \| good	12.662 \| good	44.903 \| good	0.603 \| good	0.578 \| good	0.17 \| good
2025-09-06T21:00:00.000Z	42 \| good	3.189 \| good	13.915 \| good	44.972 \| good	0.541 \| good	0.59 \| good	0.164 \| good
2025-09-06T22:00:00.000Z	43 \| good	3.419 \| good	14.858 \| good	45.773 \| good	0.536 \| good	1.011 \| good	0.164 \| good
2025-09-06T23:00:00.000Z	40 \| good	3.376 \| good	14.73 \| good	42.93 \| good	0.532 \| good	1.432 \| good	0.164 \| good
2025-09-07T00:00:00.000Z	31 \| good	3.141 \| good	13.501 \| good	32.777 \| good	0.527 \| good	1.853 \| good	0.164 \| good
2025-09-07T01:00:00.000Z	27 \| good	4.184 \| good	18.204 \| good	28.532 \| good	0.512 \| good	2.539 \| good	0.17 \| good
2025-09-07T02:00:00.000Z	22 \| good	4.337 \| good	18.653 \| good	24.14 \| good	0.496 \| good	3.224 \| good	0.176 \| good
2025-09-07T03:00:00.000Z	27 \| good	4.529 \| good	19.226 \| good	20.238 \| good	0.481 \| good	3.909 \| good	0.182 \| good
2025-09-07T04:00:00.000Z	17 \| good	3.472 \| good	15.607 \| good	17.85 \| good	0.474 \| good	5.104 \| good	0.192 \| good
2025-09-07T05:00:00.000Z	18 \| good	3.482 \| good	15.759 \| good	18.768 \| good	0.467 \| good	6.298 \| good	0.203 \| good
2025-09-07T06:00:00.000Z	33 \| good	5.917 \| good	5.944 \| good	26.666 \| good	0.46 \| good	7.566 \| good	0.215 \| good

Marion

Get reliable air quality data to drive your business

Marion, Illinois air quality map: Track AQI near you

0.34ppm

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 03:00:00 on 2025-09-05.

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 01:00:00 on 2025-09-04.

What is the current air quality in Marion, Illinois?

The current air quality in Marion, Illinois is 60, categorized as Moderate 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 13.721 μg/m³.

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

The current PM₁₀ concentration at Marion, Illinois is 54.618 μg/m³.

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

The current carbon monoxide (CO) concentration at Marion, Illinois is 0.33 ppm.

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

The current sulfur dioxide (SO₂) concentration at Marion, Illinois is 1.02 ppb.

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

The current ozone (O₃) concentration at Marion, Illinois is 21.995 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Marion, Illinois is 9.149 ppb.

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