What are the current PM10 levels at Marion, Iowa?

The current PM10 levels in Marion, Iowa are 7.139 μg/m3.

What are the current sulfur dioxide (SO2) levels at Marion, Iowa?

The current sulfur dioxide (SO2) levels in Marion, Iowa are 0.125 ppb.

What are the current ozone (O3) levels at Marion, Iowa?

The current ozone (O3) levels at Marion, Iowa is 18.92 ppm.

What are the current nitrogen dioxide (NO2) levels at Marion, Iowa?

The current nitrogen dioxide (NO2) levels at Marion, Iowa is 1.504 ppb.

Real-time air quality index in Marion, Iowa today

Q: What are the current PM2.5 levels in Marion, Iowa?

The measured PM2.5 levels in Marion, Iowa at present are 1.715 μg/m3.

Stay updated with real-time air quality in Marion, Iowa 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, Iowa

Last updated: ... (Local time)

Common air pollutants in Marion, Iowa

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

1.72 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

7.14 μg/m³

155

255

425

605+

Ozone (O₃)

18.92 ppb

201

201+

Sulfur Dioxide (SO₂)

0.13 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.50 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.16 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Marion, Iowa

Scroll To Air Quality Map

Track live Marion, Iowa air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-20T12:00:00.000Z	16 \| good	3.189 \| good	13.926 \| good	10.915 \| good	0.143 \| good	3.956 \| good	0.214 \| good
2025-10-20T13:00:00.000Z	16 \| good	3.189 \| good	13.926 \| good	10.956 \| good	0.142 \| good	4.479 \| good	0.228 \| good
2025-10-20T14:00:00.000Z	17 \| good	3.168 \| good	13.827 \| good	18.288 \| good	0.79 \| good	5.461 \| good	0.233 \| good
2025-10-20T15:00:00.000Z	18 \| good	3.285 \| good	14.813 \| good	18.509 \| good	2.226 \| good	2.863 \| good	0.229 \| good
2025-10-20T16:00:00.000Z	24 \| good	3.228 \| good	14.552 \| good	25.622 \| good	1.54 \| good	2.045 \| good	0.216 \| good
2025-10-20T17:00:00.000Z	27 \| good	3.391 \| good	15.382 \| good	28.797 \| good	1.216 \| good	1.947 \| good	0.201 \| good
2025-10-20T18:00:00.000Z	31 \| good	3.593 \| good	16.257 \| good	33.203 \| good	0.66 \| good	1.901 \| good	0.198 \| good
2025-10-20T19:00:00.000Z	32 \| good	3.799 \| good	15.181 \| good	35.308 \| good	1.116 \| good	1.944 \| good	0.219 \| good
2025-10-20T20:00:00.000Z	34 \| good	4.188 \| good	15.946 \| good	37.302 \| good	0.677 \| good	2.087 \| good	0.255 \| good
2025-10-20T21:00:00.000Z	37 \| good	4.096 \| good	17.828 \| good	39.878 \| good	0.463 \| good	2.175 \| good	0.219 \| good
2025-10-20T22:00:00.000Z	36 \| good	3.921 \| good	17.386 \| good	38.901 \| good	0.304 \| good	2.46 \| good	0.238 \| good
2025-10-20T23:00:00.000Z	35 \| good	4.588 \| good	20.004 \| good	37.74 \| good	0.26 \| good	3.336 \| good	0.233 \| good
2025-10-21T00:00:00.000Z	31 \| good	4.911 \| good	21.056 \| good	33.749 \| good	0.228 \| good	2.756 \| good	0.254 \| good
2025-10-21T01:00:00.000Z	27 \| good	4.889 \| good	21.458 \| good	28.478 \| good	0.247 \| good	2.936 \| good	0.233 \| good
2025-10-21T02:00:00.000Z	27 \| good	4.574 \| good	18.995 \| good	28.393 \| good	0.244 \| good	3.161 \| good	0.217 \| good
2025-10-21T03:00:00.000Z	20 \| good	2.282 \| good	9.362 \| good	21.645 \| good	0.308 \| good	2.576 \| good	0.123 \| good
2025-10-21T04:00:00.000Z	25 \| good	3.604 \| good	15.755 \| good	27.246 \| good	0.159 \| good	2.209 \| good	0.219 \| good
2025-10-21T05:00:00.000Z	23 \| good	3.546 \| good	14.918 \| good	25.185 \| good	0.14 \| good	1.921 \| good	0.201 \| good
2025-10-21T06:00:00.000Z	22 \| good	3.821 \| good	16.164 \| good	24.495 \| good	0.133 \| good	2.277 \| good	0.206 \| good
2025-10-21T07:00:00.000Z	22 \| good	3.483 \| good	15.996 \| good	24.498 \| good	0.134 \| good	2.397 \| good	0.166 \| good
2025-10-21T08:00:00.000Z	22 \| good	3.516 \| good	15.17 \| good	22.411 \| good	0.126 \| good	2.53 \| good	0.166 \| good
2025-10-21T09:00:00.000Z	22 \| good	3.503 \| good	14.306 \| good	21.933 \| good	0.205 \| good	1.966 \| good	0.18 \| good
2025-10-21T10:00:00.000Z	20 \| good	3.271 \| good	13.834 \| good	22.019 \| good	0.144 \| good	2.044 \| good	0.146 \| good
2025-10-21T11:00:00.000Z	20 \| good	2.892 \| good	12.281 \| good	21.925 \| good	0.134 \| good	1.942 \| good	0.144 \| good
2025-10-21T12:00:00.000Z	22 \| good	2.728 \| good	10.874 \| good	24.356 \| good	0.132 \| good	2.422 \| good	0.173 \| good
2025-10-21T13:00:00.000Z	22 \| good	2.737 \| good	10.757 \| good	24.214 \| good	0.132 \| good	2.279 \| good	0.203 \| good
2025-10-21T14:00:00.000Z	23 \| good	2.38 \| good	9.299 \| good	25.325 \| good	0.131 \| good	4.063 \| good	0.188 \| good
2025-10-21T15:00:00.000Z	22 \| good	2.408 \| good	9.391 \| good	23.906 \| good	0.126 \| good	2.003 \| good	0.2 \| good
2025-10-21T16:00:00.000Z	24 \| good	2.586 \| good	10.936 \| good	25.774 \| good	0.119 \| good	1.797 \| good	0.184 \| good
2025-10-21T17:00:00.000Z	24 \| good	3.117 \| good	13.199 \| good	25.669 \| good	0.118 \| good	1.571 \| good	0.171 \| good
2025-10-21T18:00:00.000Z	24 \| good	3.445 \| good	15.728 \| good	25.938 \| good	0.117 \| good	1.361 \| good	0.169 \| good
2025-10-21T19:00:00.000Z	22 \| good	3.792 \| good	17.033 \| good	22.362 \| good	0.121 \| good	1.323 \| good	0.173 \| good
2025-10-21T20:00:00.000Z	22 \| good	3.606 \| good	16.927 \| good	20.886 \| good	0.121 \| good	1.342 \| good	0.172 \| good
2025-10-21T21:00:00.000Z	20 \| good	3.1 \| good	12.21 \| good	21.547 \| good	0.111 \| good	1.436 \| good	0.17 \| good
2025-10-21T22:00:00.000Z	21 \| good	2.535 \| good	11.372 \| good	22.525 \| good	0.113 \| good	1.622 \| good	0.169 \| good
2025-10-21T23:00:00.000Z	20 \| good	2.633 \| good	11.017 \| good	22.489 \| good	0.116 \| good	1.705 \| good	0.169 \| good
2025-10-22T00:00:00.000Z	22 \| good	2.878 \| good	12.553 \| good	24.254 \| good	0.114 \| good	1.821 \| good	0.169 \| good
2025-10-22T01:00:00.000Z	22 \| good	2.837 \| good	11.327 \| good	24.24 \| good	0.117 \| good	1.964 \| good	0.169 \| good
2025-10-22T02:00:00.000Z	24 \| good	2.867 \| good	11.428 \| good	25.676 \| good	0.111 \| good	1.785 \| good	0.171 \| good
2025-10-22T03:00:00.000Z	19 \| good	0.367 \| good	1.098 \| good	21.115 \| good	0.069 \| good	1.198 \| good	0.113 \| good
2025-10-22T04:00:00.000Z	24 \| good	2.618 \| good	10.538 \| good	25.575 \| good	0.116 \| good	1.373 \| good	0.157 \| good
2025-10-22T05:00:00.000Z	23 \| good	2.183 \| good	8.639 \| good	24.572 \| good	0.132 \| good	1.297 \| good	0.144 \| good
2025-10-22T06:00:00.000Z	22 \| good	1.767 \| good	7.767 \| good	24.432 \| good	0.124 \| good	1.245 \| good	0.144 \| good
2025-10-22T07:00:00.000Z	22 \| good	1.82 \| good	8.005 \| good	24.365 \| good	0.124 \| good	1.247 \| good	0.154 \| good
2025-10-22T08:00:00.000Z	18 \| good	1.63 \| good	6.536 \| good	19.405 \| good	0.137 \| good	1.393 \| good	0.154 \| good
2025-10-22T09:00:00.000Z	17 \| good	1.614 \| good	6.71 \| good	18.175 \| good	0.207 \| good	1.381 \| good	0.144 \| good
2025-10-22T10:00:00.000Z	18 \| good	1.715 \| good	7.139 \| good	18.92 \| good	0.125 \| good	1.504 \| good	0.158 \| good
2025-10-22T11:00:00.000Z	18 \| good	1.715 \| good	7.139 \| good	18.92 \| good	0.125 \| good	1.504 \| good	0.158 \| good
2025-10-22T12:00:00.000Z	15 \| good	0.421 \| good	1.933 \| good	16.396 \| good	0.096 \| good	1.53 \| good	0.122 \| good
2025-10-22T13:00:00.000Z	14 \| good	0.689 \| good	2.23 \| good	14.836 \| good	0.104 \| good	1.437 \| good	0.123 \| good
2025-10-22T14:00:00.000Z	15 \| good	0.966 \| good	3.994 \| good	15.848 \| good	0.111 \| good	1.344 \| good	0.125 \| good
2025-10-22T15:00:00.000Z	15 \| good	0.753 \| good	2.959 \| good	16.449 \| good	0.118 \| good	1.252 \| good	0.127 \| good
2025-10-22T16:00:00.000Z	19 \| good	0.878 \| good	3.198 \| good	19.536 \| good	0.121 \| good	1.084 \| good	0.125 \| good
2025-10-22T17:00:00.000Z	21 \| good	1.286 \| good	5.026 \| good	22.535 \| good	0.124 \| good	0.917 \| good	0.123 \| good
2025-10-22T18:00:00.000Z	23 \| good	1.576 \| good	6.054 \| good	25.22 \| good	0.127 \| good	0.749 \| good	0.121 \| good
2025-10-22T19:00:00.000Z	26 \| good	2.529 \| good	10.054 \| good	28.183 \| good	0.141 \| good	0.738 \| good	0.12 \| good
2025-10-22T20:00:00.000Z	27 \| good	2.729 \| good	11.028 \| good	28.511 \| good	0.156 \| good	0.727 \| good	0.119 \| good
2025-10-22T21:00:00.000Z	28 \| good	2.942 \| good	12 \| good	30.25 \| good	0.171 \| good	0.717 \| good	0.118 \| good
2025-10-22T22:00:00.000Z	26 \| good	1.936 \| good	8 \| good	28.119 \| good	0.186 \| good	1.176 \| good	0.122 \| good
2025-10-22T23:00:00.000Z	24 \| good	1.339 \| good	5.329 \| good	26.041 \| good	0.202 \| good	1.636 \| good	0.126 \| good
2025-10-23T00:00:00.000Z	19 \| good	0.662 \| good	2.361 \| good	21.145 \| good	0.217 \| good	2.095 \| good	0.13 \| good
2025-10-23T01:00:00.000Z	22 \| good	2.311 \| good	9.322 \| good	24.444 \| good	0.23 \| good	2.494 \| good	0.134 \| good
2025-10-23T02:00:00.000Z	18 \| good	2.253 \| good	9.29 \| good	19.482 \| good	0.243 \| good	2.893 \| good	0.137 \| good
2025-10-23T03:00:00.000Z	16 \| good	0.418 \| good	1.411 \| good	17.117 \| good	0.256 \| good	3.292 \| good	0.141 \| good
2025-10-23T04:00:00.000Z	11 \| good	1.792 \| good	7.334 \| good	12.46 \| good	0.251 \| good	3.386 \| good	0.142 \| good
2025-10-23T05:00:00.000Z	11 \| good	2.251 \| good	9.268 \| good	11.105 \| good	0.245 \| good	3.481 \| good	0.143 \| good
2025-10-23T06:00:00.000Z	16 \| good	3.481 \| good	15.335 \| good	11.869 \| good	0.24 \| good	3.576 \| good	0.145 \| good
2025-10-23T07:00:00.000Z	27 \| good	4.734 \| good	20.331 \| good	10.154 \| good	0.238 \| good	3.512 \| good	0.144 \| good
2025-10-23T08:00:00.000Z	27 \| good	4.816 \| good	20.92 \| good	8.552 \| good	0.237 \| good	3.449 \| good	0.144 \| good
2025-10-23T09:00:00.000Z	22 \| good	4.286 \| good	18.857 \| good	5.984 \| good	0.235 \| good	3.385 \| good	0.143 \| good
2025-10-23T10:00:00.000Z	27 \| good	4.598 \| good	20.212 \| good	6.32 \| good	0.243 \| good	3.503 \| good	0.145 \| good
2025-10-23T11:00:00.000Z	22 \| good	3.91 \| good	17.29 \| good	3.428 \| good	0.251 \| good	3.62 \| good	0.146 \| good
2025-10-23T12:00:00.000Z	22 \| good	3.603 \| good	15.97 \| good	1.764 \| good	0.259 \| good	3.738 \| good	0.147 \| good
2025-10-23T13:00:00.000Z	16 \| good	3.497 \| good	15.338 \| good	4.043 \| good	0.278 \| good	3.376 \| good	0.15 \| good
2025-10-23T14:00:00.000Z	22 \| good	3.659 \| good	16.125 \| good	10.094 \| good	0.297 \| good	3.015 \| good	0.152 \| good
2025-10-23T15:00:00.000Z	17 \| good	2.707 \| good	11.048 \| good	17.686 \| good	0.315 \| good	2.653 \| good	0.154 \| good
2025-10-23T16:00:00.000Z	19 \| good	2.68 \| good	11.026 \| good	19.927 \| good	0.322 \| good	2.065 \| good	0.146 \| good
2025-10-23T17:00:00.000Z	24 \| good	2.193 \| good	9.007 \| good	25.784 \| good	0.328 \| good	1.477 \| good	0.138 \| good
2025-10-23T18:00:00.000Z	26 \| good	1.895 \| good	7.962 \| good	28.198 \| good	0.334 \| good	0.889 \| good	0.13 \| good
2025-10-23T19:00:00.000Z	28 \| good	3.958 \| good	17.067 \| good	30.344 \| good	0.321 \| good	0.855 \| good	0.128 \| good
2025-10-23T20:00:00.000Z	28 \| good	2.988 \| good	12 \| good	30.06 \| good	0.308 \| good	0.821 \| good	0.127 \| good
2025-10-23T21:00:00.000Z	28 \| good	3.574 \| good	15.879 \| good	29.743 \| good	0.295 \| good	0.787 \| good	0.125 \| good
2025-10-23T22:00:00.000Z	24 \| good	2.697 \| good	11.299 \| good	26.159 \| good	0.292 \| good	1.897 \| good	0.134 \| good
2025-10-23T23:00:00.000Z	22 \| good	3.538 \| good	15.637 \| good	20.611 \| good	0.289 \| good	3.007 \| good	0.143 \| good
2025-10-24T00:00:00.000Z	22 \| good	3.827 \| good	16.802 \| good	15.129 \| good	0.286 \| good	4.117 \| good	0.152 \| good
2025-10-24T01:00:00.000Z	11 \| good	1.948 \| good	7.953 \| good	10.617 \| good	0.307 \| good	4.91 \| good	0.158 \| good
2025-10-24T02:00:00.000Z	16 \| good	2.646 \| good	11.094 \| good	12.082 \| good	0.328 \| good	5.702 \| good	0.164 \| good
2025-10-24T03:00:00.000Z	33 \| good	5.695 \| good	25.016 \| good	14.32 \| good	0.348 \| good	6.494 \| good	0.17 \| good
2025-10-24T04:00:00.000Z	13 \| good	1.923 \| good	7.815 \| good	14.24 \| good	0.34 \| good	6.847 \| good	0.172 \| good
2025-10-24T05:00:00.000Z	22 \| good	3.805 \| good	16.764 \| good	15.22 \| good	0.332 \| good	7.2 \| good	0.174 \| good
2025-10-24T06:00:00.000Z	38 \| good	7.191 \| good	7.292 \| good	16.675 \| good	0.326 \| good	7.58 \| good	0.176 \| good
2025-10-24T07:00:00.000Z	27 \| good	4.713 \| good	20.523 \| good	11.88 \| good	0.321 \| good	7.703 \| good	0.175 \| good
2025-10-24T08:00:00.000Z	38 \| good	6.791 \| good	30.233 \| good	7.82 \| good	0.318 \| good	7.853 \| good	0.174 \| good
2025-10-24T09:00:00.000Z	49 \| good	8.933 \| good	39.275 \| good	4.974 \| good	0.315 \| good	8.002 \| good	0.173 \| good
2025-10-24T10:00:00.000Z	38 \| good	7.287 \| good	32.088 \| good	4.709 \| good	0.335 \| good	8.848 \| good	0.178 \| good
2025-10-24T11:00:00.000Z	33 \| good	6.277 \| good	28.05 \| good	7.516 \| good	0.355 \| good	9.694 \| good	0.182 \| good

Marion

Empower business decisions with accurate air quality data

Marion, Iowa air quality map: Real-time AQI near you

0.11ppm

How accurate is Iowa, USA air quality data?

Air quality measurements for Iowa, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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Frequently asked questions

How frequently is the air quality data for Marion, Iowa updated?

Air quality data for Marion, Iowa is updated on an hourly basis.

When did Marion, Iowa experience the worst air quality in the last 24 hours?

The worst air quality in Marion, Iowa was recorded at 04:00:00 on 2025-10-22.

When did Marion, Iowa have its best air quality in the last 24 hours?

The best air quality in Marion, Iowa was recorded at 09:00:00 on 2025-10-22.

What is the real-time air quality index for Marion, Iowa?

The real-time air quality index in Marion, Iowa is 18, currently categorized as Good.

Which pollutant is found most often in Marion, Iowa?

The most common pollutant in Marion, Iowa is O3.

What can I do if the air quality in Marion, Iowa is poor?

If the air quality in Marion, Iowa is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Marion, Iowa?

The measured PM_2.5 levels in Marion, Iowa at present are 1.715 μg/m³.

What are the current PM₁₀ levels at Marion, Iowa?

The current PM₁₀ levels in Marion, Iowa are 7.139 μg/m³.

What are the current carbon monoxide (CO) levels at Marion, Iowa?

The current carbon monoxide (CO) level in Marion, Iowa is 0.158 ppm.

What are the current sulfur dioxide (SO₂) levels at Marion, Iowa?

The current sulfur dioxide (SO₂) levels in Marion, Iowa are 0.125 ppb.

What are the current ozone (O₃) levels at Marion, Iowa?

The current ozone (O₃) levels at Marion, Iowa is 18.92 ppm.

What are the current nitrogen dioxide (NO₂) levels at Marion, Iowa?

The current nitrogen dioxide (NO₂) levels at Marion, Iowa is 1.504 ppb.

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