What is the PM10 level in Marion, Ohio at the moment?

The PM10 concentration in Marion, Ohio is 263.802 μg/m3 at the moment.

What is the sulfur dioxide (SO2) level in Marion, Ohio at the moment?

Currently, Marion, Ohio has a sulfur dioxide (SO2) concentration of 2.632 ppb.

What is the ozone (O3) level in Marion, Ohio at the moment?

The current ozone (O3) level in Marion, Ohio at the moment is 42.245 ppm.

What is the nitrogen dioxide (NO2) level in Marion, Ohio at the moment?

Nitrogen dioxide (NO2) level in Marion, Ohio at the moment is 2.812 ppb.

Real-time air quality index in Marion, Ohio today

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

Stay updated with real-time air quality in Marion, Ohio 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)

164

Unhealthy

Marion, Ohio

Last updated: ... (Local time)

Major air pollutants in Marion, Ohio

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

73.68 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

263.80 μg/m³

155

255

425

605+

Ozone (O₃)

42.24 ppb

201

201+

Sulfur Dioxide (SO₂)

2.63 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.81 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.38 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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

Please contact us for custom requests

Marion, Ohio

Scroll To Air Quality Map

Track live Marion, Ohio air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-04T23:00:00.000Z	90 \| moderate	29.565 \| fine	62.163 \| fine	53.841 \| good	1.001 \| good	7.502 \| good	0.336 \| good
2025-06-05T00:00:00.000Z	88 \| moderate	28.874 \| fine	64.836 \| fine	56.268 \| fine	0.968 \| good	9.183 \| good	0.34 \| good
2025-06-05T01:00:00.000Z	86 \| moderate	28.236 \| fine	72.101 \| fine	49.029 \| good	0.84 \| good	10.357 \| good	0.339 \| good
2025-06-05T02:00:00.000Z	81 \| moderate	25.292 \| fine	90.606 \| fine	47 \| good	1.05 \| good	10.988 \| good	0.366 \| good
2025-06-05T03:00:00.000Z	84 \| moderate	26.788 \| fine	76.153 \| fine	40.487 \| good	1.205 \| good	11.536 \| good	0.383 \| good
2025-06-05T04:00:00.000Z	75 \| moderate	22.324 \| fine	78.611 \| fine	45.169 \| good	1.105 \| good	13.273 \| good	0.335 \| good
2025-06-05T05:00:00.000Z	81 \| moderate	24.597 \| fine	83.285 \| fine	40.798 \| good	1.052 \| good	10.835 \| good	0.332 \| good
2025-06-05T06:00:00.000Z	84 \| moderate	26.828 \| fine	60.527 \| fine	34.746 \| good	1.052 \| good	8.201 \| good	0.344 \| good
2025-06-05T07:00:00.000Z	71 \| moderate	20.03 \| fine	74.437 \| fine	28.434 \| good	1.033 \| good	8.474 \| good	0.324 \| good
2025-06-05T08:00:00.000Z	77 \| moderate	23.359 \| fine	61.482 \| fine	28.658 \| good	1.066 \| good	9.645 \| good	0.284 \| good
2025-06-05T09:00:00.000Z	69 \| moderate	18.841 \| fine	75.866 \| fine	23.957 \| good	1.064 \| good	11.927 \| good	0.29 \| good
2025-06-05T10:00:00.000Z	73 \| moderate	21.177 \| fine	71.479 \| fine	23.827 \| good	1 \| good	15.791 \| good	0.328 \| good
2025-06-05T11:00:00.000Z	82 \| moderate	25.93 \| fine	100.918 \| fine	24.102 \| good	1 \| good	17.204 \| good	0.411 \| good
2025-06-05T12:00:00.000Z	73 \| moderate	21.185 \| fine	71.206 \| fine	28.401 \| good	0.941 \| good	17.137 \| good	0.368 \| good
2025-06-05T13:00:00.000Z	67 \| moderate	17.996 \| fine	65.526 \| fine	29.535 \| good	0.908 \| good	14.886 \| good	0.374 \| good
2025-06-05T14:00:00.000Z	88 \| moderate	29.225 \| fine	90.216 \| fine	28.502 \| good	5.615 \| good	12.593 \| good	0.332 \| good
2025-06-05T15:00:00.000Z	90 \| moderate	29.595 \| fine	73.846 \| fine	32.788 \| good	1.952 \| good	7.803 \| good	0.282 \| good
2025-06-05T16:00:00.000Z	79 \| moderate	23.831 \| fine	70.946 \| fine	31.99 \| good	1.086 \| good	9.139 \| good	0.298 \| good
2025-06-05T17:00:00.000Z	81 \| moderate	25.32 \| fine	73.029 \| fine	40.821 \| good	0.909 \| good	7.606 \| good	0.306 \| good
2025-06-05T18:00:00.000Z	79 \| moderate	24.449 \| fine	66.657 \| fine	42.849 \| good	1.019 \| good	9.854 \| good	0.35 \| good
2025-06-05T19:00:00.000Z	67 \| moderate	18.414 \| fine	69.512 \| fine	37.168 \| good	0.998 \| good	11.918 \| good	0.373 \| good
2025-06-05T20:00:00.000Z	62 \| moderate	15.324 \| fine	63.684 \| fine	39.574 \| good	0.894 \| good	11.294 \| good	0.401 \| good
2025-06-05T21:00:00.000Z	58 \| moderate	12.647 \| fine	48.315 \| good	47.719 \| good	1.235 \| good	12.219 \| good	0.387 \| good
2025-06-05T22:00:00.000Z	52 \| moderate	10.423 \| good	43.23 \| good	40.705 \| good	1.455 \| good	10.572 \| good	0.357 \| good
2025-06-05T23:00:00.000Z	71 \| moderate	19.638 \| fine	53.139 \| good	45.536 \| good	1.972 \| good	7.724 \| good	0.338 \| good
2025-06-06T00:00:00.000Z	52 \| moderate	9.778 \| good	39.573 \| good	41.413 \| good	1.666 \| good	9.124 \| good	0.336 \| good
2025-06-06T01:00:00.000Z	52 \| moderate	9.637 \| good	43.419 \| good	37.846 \| good	1.689 \| good	15.313 \| good	0.351 \| good
2025-06-06T02:00:00.000Z	64 \| moderate	15.953 \| fine	35.76 \| good	34.399 \| good	1.489 \| good	15.795 \| good	0.387 \| good
2025-06-06T03:00:00.000Z	81 \| moderate	25.136 \| fine	86.597 \| fine	27.927 \| good	1.833 \| good	13.906 \| good	0.318 \| good
2025-06-06T04:00:00.000Z	71 \| moderate	19.707 \| fine	35.638 \| good	28.622 \| good	2 \| good	6.266 \| good	0.285 \| good
2025-06-06T05:00:00.000Z	49 \| good	8.699 \| good	36.128 \| good	30.848 \| good	2.969 \| good	8.184 \| good	0.282 \| good
2025-06-06T06:00:00.000Z	38 \| good	6.91 \| good	33.14 \| good	24.185 \| good	3.763 \| good	7.93 \| good	0.291 \| good
2025-06-06T07:00:00.000Z	54 \| moderate	10.6 \| good	38.445 \| good	25.699 \| good	2.261 \| good	10.494 \| good	0.278 \| good
2025-06-06T08:00:00.000Z	49 \| good	8.015 \| good	53.414 \| good	23.61 \| good	2.208 \| good	9.251 \| good	0.261 \| good
2025-06-06T09:00:00.000Z	44 \| good	8.403 \| good	46.336 \| good	17.798 \| good	2.22 \| good	9.747 \| good	0.264 \| good
2025-06-06T10:00:00.000Z	51 \| moderate	6.252 \| good	55.715 \| fine	18.618 \| good	1.83 \| good	13.852 \| good	0.322 \| good
2025-06-06T11:00:00.000Z	38 \| good	7.204 \| good	31.146 \| good	15.468 \| good	1.396 \| good	11.369 \| good	0.35 \| good
2025-06-06T12:00:00.000Z	58 \| moderate	12.688 \| fine	58.09 \| fine	20.714 \| good	1.16 \| good	12.7 \| good	0.397 \| good
2025-06-06T13:00:00.000Z	56 \| moderate	12.08 \| good	54.714 \| good	23.977 \| good	1.31 \| good	12.06 \| good	0.4 \| good
2025-06-06T14:00:00.000Z	52 \| moderate	9.974 \| good	46.26 \| good	24.535 \| good	0.852 \| good	6.965 \| good	0.364 \| good
2025-06-06T15:00:00.000Z	49 \| good	9.257 \| good	40.234 \| good	27.861 \| good	0.835 \| good	4.359 \| good	0.368 \| good
2025-06-06T16:00:00.000Z	44 \| good	8.313 \| good	34.129 \| good	27.198 \| good	1.236 \| good	10.834 \| good	0.342 \| good
2025-06-06T17:00:00.000Z	52 \| moderate	9.875 \| good	46.055 \| good	31.611 \| good	1.941 \| good	7.048 \| good	0.349 \| good
2025-06-06T18:00:00.000Z	49 \| good	9.461 \| good	35.602 \| good	35.022 \| good	1.765 \| good	3.621 \| good	0.396 \| good
2025-06-06T19:00:00.000Z	49 \| good	9.359 \| good	26.669 \| good	35.425 \| good	1.665 \| good	5.155 \| good	0.393 \| good
2025-06-06T20:00:00.000Z	62 \| moderate	14.574 \| fine	66.798 \| fine	40.38 \| good	1.502 \| good	3.874 \| good	0.405 \| good
2025-06-06T21:00:00.000Z	111 \| sensitive	34.996 \| fine	176.245 \| moderate	43.604 \| good	1.578 \| good	3.371 \| good	0.384 \| good
2025-06-06T22:00:00.000Z	164 \| unhealthy	73.683 \| poor	263.802 \| poor	42.245 \| good	2.632 \| good	2.812 \| good	0.375 \| good
2025-06-06T22:00:00.000Z	164 \| unhealthy	73.683 \| poor	263.802 \| poor	42.245 \| good	2.632 \| good	2.812 \| good	0.375 \| good
2025-06-06T23:00:00.000Z	82 \| moderate	25.801 \| fine	112.363 \| fine	47.064 \| good	0.328 \| good	2.278 \| good	0.226 \| good
2025-06-07T00:00:00.000Z	86 \| moderate	27.917 \| fine	121.685 \| fine	51.431 \| good	0.357 \| good	2.245 \| good	0.227 \| good
2025-06-07T01:00:00.000Z	94 \| moderate	31.997 \| fine	137.944 \| fine	39.569 \| good	0.536 \| good	6.013 \| good	0.258 \| good
2025-06-07T02:00:00.000Z	103 \| sensitive	36.368 \| moderate	159.118 \| moderate	37.261 \| good	0.591 \| good	6.138 \| good	0.262 \| good
2025-06-07T03:00:00.000Z	115 \| sensitive	41.013 \| moderate	181.756 \| moderate	34.752 \| good	0.646 \| good	6.264 \| good	0.265 \| good
2025-06-07T04:00:00.000Z	127 \| sensitive	45.808 \| moderate	205.502 \| moderate	32.016 \| good	0.791 \| good	8.255 \| good	0.282 \| good
2025-06-07T05:00:00.000Z	142 \| sensitive	51.562 \| moderate	234.385 \| moderate	31.125 \| good	0.859 \| good	8.463 \| good	0.288 \| good
2025-06-07T06:00:00.000Z	153 \| unhealthy	59.438 \| poor	258.559 \| poor	29.909 \| good	0.928 \| good	8.671 \| good	0.293 \| good
2025-06-07T07:00:00.000Z	159 \| unhealthy	67.143 \| poor	266.311 \| poor	27.364 \| good	0.838 \| good	7.695 \| good	0.282 \| good
2025-06-07T08:00:00.000Z	165 \| unhealthy	75.322 \| poor	275.852 \| poor	23.69 \| good	0.873 \| good	7.54 \| good	0.283 \| good
2025-06-07T09:00:00.000Z	167 \| unhealthy	78.049 \| poor	278.455 \| poor	18.266 \| good	0.908 \| good	7.385 \| good	0.283 \| good
2025-06-07T10:00:00.000Z	165 \| unhealthy	75.234 \| poor	275.361 \| poor	18.565 \| good	0.625 \| good	5.342 \| good	0.263 \| good
2025-06-07T11:00:00.000Z	152 \| unhealthy	57.048 \| poor	254.724 \| moderate	17.699 \| good	0.629 \| good	5.265 \| good	0.262 \| good
2025-06-07T12:00:00.000Z	94 \| moderate	31.699 \| fine	137.625 \| fine	22.055 \| good	0.632 \| good	5.189 \| good	0.261 \| good
2025-06-07T13:00:00.000Z	75 \| moderate	22.317 \| fine	97.683 \| fine	26.636 \| good	0.501 \| good	1.926 \| good	0.218 \| good
2025-06-07T14:00:00.000Z	79 \| moderate	24.291 \| fine	106.183 \| fine	36.983 \| good	0.527 \| good	1.808 \| good	0.219 \| good
2025-06-07T15:00:00.000Z	82 \| moderate	25.713 \| fine	112.313 \| fine	49.212 \| good	0.554 \| good	1.69 \| good	0.219 \| good
2025-06-07T16:00:00.000Z	77 \| moderate	22.961 \| fine	100.921 \| fine	52.455 \| good	0.495 \| good	0.677 \| good	0.216 \| good
2025-06-07T17:00:00.000Z	71 \| moderate	20.159 \| fine	88.875 \| fine	51.385 \| good	0.559 \| good	0.672 \| good	0.218 \| good
2025-06-07T18:00:00.000Z	69 \| moderate	19.179 \| fine	85 \| fine	51.431 \| good	0.623 \| good	0.666 \| good	0.221 \| good
2025-06-07T19:00:00.000Z	67 \| moderate	17.944 \| fine	79.134 \| fine	51.317 \| good	0.445 \| good	0.71 \| good	0.212 \| good
2025-06-07T20:00:00.000Z	67 \| moderate	17.739 \| fine	78.492 \| fine	51.787 \| good	0.503 \| good	0.727 \| good	0.216 \| good
2025-06-07T21:00:00.000Z	64 \| moderate	16.307 \| fine	72.563 \| fine	51.981 \| good	0.56 \| good	0.743 \| good	0.22 \| good
2025-06-07T22:00:00.000Z	69 \| moderate	19.142 \| fine	84.343 \| fine	46.289 \| good	0.567 \| good	2.964 \| good	0.238 \| good
2025-06-07T23:00:00.000Z	73 \| moderate	21.349 \| fine	93.516 \| fine	35.554 \| good	0.64 \| good	2.943 \| good	0.242 \| good
2025-06-08T00:00:00.000Z	64 \| moderate	16.103 \| fine	72.053 \| fine	38.336 \| good	0.714 \| good	2.922 \| good	0.246 \| good
2025-06-08T01:00:00.000Z	58 \| moderate	13.112 \| fine	58.739 \| fine	35.386 \| good	1.027 \| good	4.121 \| good	0.243 \| good
2025-06-08T02:00:00.000Z	60 \| moderate	13.556 \| fine	61.746 \| fine	32.588 \| good	1.11 \| good	4.201 \| good	0.245 \| good
2025-06-08T03:00:00.000Z	62 \| moderate	15.486 \| fine	69.239 \| fine	34.143 \| good	1.194 \| good	4.281 \| good	0.248 \| good
2025-06-08T04:00:00.000Z	66 \| moderate	17 \| fine	75.437 \| fine	32.895 \| good	1.296 \| good	4.588 \| good	0.247 \| good
2025-06-08T05:00:00.000Z	67 \| moderate	18.171 \| fine	80.124 \| fine	29.348 \| good	1.311 \| good	4.699 \| good	0.25 \| good
2025-06-08T06:00:00.000Z	77 \| moderate	22.709 \| fine	99.858 \| fine	29.441 \| good	1.326 \| good	4.81 \| good	0.254 \| good
2025-06-08T07:00:00.000Z	79 \| moderate	24.369 \| fine	106.802 \| fine	33.226 \| good	1.358 \| good	4.751 \| good	0.259 \| good
2025-06-08T08:00:00.000Z	73 \| moderate	21.126 \| fine	93 \| fine	34.383 \| good	1.369 \| good	4.772 \| good	0.264 \| good
2025-06-08T09:00:00.000Z	67 \| moderate	18.169 \| fine	80.428 \| fine	33.895 \| good	1.38 \| good	4.793 \| good	0.268 \| good
2025-06-08T10:00:00.000Z	66 \| moderate	17.454 \| fine	77.208 \| fine	29.821 \| good	1.718 \| good	4.643 \| good	0.276 \| good
2025-06-08T11:00:00.000Z	64 \| moderate	15.891 \| fine	70.625 \| fine	30.721 \| good	1.686 \| good	4.666 \| good	0.28 \| good
2025-06-08T12:00:00.000Z	58 \| moderate	12.706 \| fine	57.074 \| fine	34.162 \| good	1.654 \| good	4.689 \| good	0.284 \| good
2025-06-08T13:00:00.000Z	62 \| moderate	14.599 \| fine	65.284 \| fine	34.553 \| good	3.297 \| good	2.501 \| good	0.281 \| good
2025-06-08T14:00:00.000Z	75 \| moderate	22.308 \| fine	97.702 \| fine	32.827 \| good	3.284 \| good	2.636 \| good	0.286 \| good
2025-06-08T15:00:00.000Z	86 \| moderate	27.549 \| fine	119.257 \| fine	39.512 \| good	3.27 \| good	2.771 \| good	0.29 \| good
2025-06-08T16:00:00.000Z	79 \| moderate	24.409 \| fine	105.783 \| fine	46.701 \| good	2.839 \| good	0.797 \| good	0.24 \| good
2025-06-08T17:00:00.000Z	77 \| moderate	23.083 \| fine	100.915 \| fine	48.76 \| good	3.103 \| good	0.825 \| good	0.244 \| good
2025-06-08T18:00:00.000Z	75 \| moderate	21.625 \| fine	94.787 \| fine	49.859 \| good	3.368 \| good	0.854 \| good	0.248 \| good
2025-06-08T19:00:00.000Z	75 \| moderate	22.091 \| fine	96.708 \| fine	46.287 \| good	2.143 \| good	0.882 \| good	0.231 \| good
2025-06-08T20:00:00.000Z	79 \| moderate	23.768 \| fine	103.621 \| fine	44.299 \| good	2.316 \| good	0.901 \| good	0.234 \| good
2025-06-08T21:00:00.000Z	75 \| moderate	21.884 \| fine	95.41 \| fine	40.189 \| good	2.488 \| good	0.919 \| good	0.238 \| good
2025-06-08T22:00:00.000Z	69 \| moderate	18.836 \| fine	82.915 \| fine	40.081 \| good	1.409 \| good	3.199 \| good	0.241 \| good

Marion

Get reliable air quality data to drive your business

Marion, Ohio air quality map: Stay updated on AQI near you

0.30ppm

How accurate is Ohio, USA air quality data?

Air quality and pollutant data for Ohio, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

Frequently asked questions

How often is air quality information updated for Marion, Ohio?

The air quality information for Marion, Ohio is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Marion, Ohio at its worst?

In the past 24 hours, the air quality in Marion, Ohio was at its worst at 09:00:00 on 2025-06-06.

When did Marion, Ohio experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Marion, Ohio was observed at 11:00:00 on 2025-06-06.

What is the AQI in Marion, Ohio right now?

As of now, the AQI in Marion, Ohio is 164, indicating Unhealthy conditions.

What is the most common type of pollution in Marion, Ohio?

Marion, Ohio air has the highest levels of PM2.5.

What should I do in case of poor air quality in Marion, Ohio?

Poor air quality in Marion, Ohio means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in Marion, Ohio at the moment?

PM_2.5 levels in Marion, Ohio are currently 73.683 μg/m³.

What is the PM₁₀ level in Marion, Ohio at the moment?

The PM₁₀ concentration in Marion, Ohio is 263.802 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Marion, Ohio at the moment?

The current carbon monoxide (CO) concentration in Marion, Ohio is 0.375 ppm.

What is the sulfur dioxide (SO₂) level in Marion, Ohio at the moment?

Currently, Marion, Ohio has a sulfur dioxide (SO₂) concentration of 2.632 ppb.

What is the ozone (O₃) level in Marion, Ohio at the moment?

The current ozone (O₃) level in Marion, Ohio at the moment is 42.245 ppm.

What is the nitrogen dioxide (NO₂) level in Marion, Ohio at the moment?

Nitrogen dioxide (NO₂) level in Marion, Ohio at the moment is 2.812 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions