What are the current PM10 levels at Marshalltown, Iowa?

The current PM10 levels in Marshalltown, Iowa are 30 μg/m3.

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

The current sulfur dioxide (SO2) levels in Marshalltown, Iowa are 0.074 ppb.

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

The current ozone (O3) levels at Marshalltown, Iowa is 14.545 ppm.

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

The current nitrogen dioxide (NO2) levels at Marshalltown, Iowa is 2.263 ppb.

Real-time air quality index in Marshalltown, Iowa today

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

The measured PM2.5 levels in Marshalltown, Iowa at present are 6.707 μg/m3.

Stay updated with real-time air quality in Marshalltown, 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

Marshalltown, Iowa

Last updated: ... (Local time)

Common air pollutants in Marshalltown, Iowa

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

6.71 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

30.00 μg/m³

155

255

425

605+

Ozone (O₃)

14.54 ppb

201

201+

Sulfur Dioxide (SO₂)

0.07 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.26 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.18 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Marshalltown, Iowa

Get Live Pollen Counts

Marshalltown, Iowa

Scroll To Air Quality Map

Track live Marshalltown, Iowa air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T10:00:00.000Z	38 \| good	6.948 \| good	30.895 \| good	15.874 \| good	0.244 \| good	2.871 \| good	0.177 \| good
2025-12-05T11:00:00.000Z	38 \| good	7.37 \| good	32.221 \| good	15.105 \| good	0.239 \| good	3.015 \| good	0.177 \| good
2025-12-05T12:00:00.000Z	49 \| good	9.199 \| good	41.086 \| good	15.338 \| good	0.226 \| good	2.887 \| good	0.186 \| good
2025-12-05T13:00:00.000Z	54 \| moderate	11.101 \| good	49.138 \| good	14.35 \| good	0.231 \| good	3.057 \| good	0.188 \| good
2025-12-05T14:00:00.000Z	56 \| moderate	12.127 \| fine	54.378 \| good	14.183 \| good	0.236 \| good	3.227 \| good	0.189 \| good
2025-12-05T15:00:00.000Z	54 \| moderate	11.471 \| good	50.843 \| good	16.235 \| good	0.241 \| good	3.397 \| good	0.19 \| good
2025-12-05T16:00:00.000Z	54 \| moderate	10.726 \| good	47.381 \| good	18.222 \| good	0.23 \| good	3.066 \| good	0.19 \| good
2025-12-05T17:00:00.000Z	54 \| moderate	11.149 \| good	49.276 \| good	19.625 \| good	0.22 \| good	2.736 \| good	0.189 \| good
2025-12-05T18:00:00.000Z	54 \| moderate	11.208 \| good	49.359 \| good	21.835 \| good	0.21 \| good	2.406 \| good	0.188 \| good
2025-12-05T19:00:00.000Z	56 \| moderate	11.583 \| good	51.138 \| good	24.7 \| good	0.211 \| good	2.659 \| good	0.187 \| good
2025-12-05T20:00:00.000Z	56 \| moderate	11.819 \| good	52.359 \| good	24.926 \| good	0.213 \| good	2.912 \| good	0.185 \| good
2025-12-05T21:00:00.000Z	54 \| moderate	10.615 \| good	47.052 \| good	25.405 \| good	0.214 \| good	3.166 \| good	0.184 \| good
2025-12-05T22:00:00.000Z	54 \| moderate	10.597 \| good	47.052 \| good	22.409 \| good	0.204 \| good	3.855 \| good	0.186 \| good
2025-12-05T23:00:00.000Z	52 \| moderate	9.624 \| good	42.895 \| good	18.478 \| good	0.194 \| good	4.543 \| good	0.188 \| good
2025-12-06T00:00:00.000Z	52 \| moderate	9.678 \| good	42.978 \| good	12.95 \| good	0.197 \| good	5.279 \| good	0.192 \| good
2025-12-06T01:00:00.000Z	44 \| good	8.15 \| good	35.597 \| good	13.572 \| good	0.166 \| good	4.407 \| good	0.184 \| good
2025-12-06T02:00:00.000Z	38 \| good	7.263 \| good	31.84 \| good	16.673 \| good	0.134 \| good	3.534 \| good	0.177 \| good
2025-12-06T03:00:00.000Z	33 \| good	6.134 \| good	27.135 \| good	18.517 \| good	0.103 \| good	2.662 \| good	0.169 \| good
2025-12-06T04:00:00.000Z	33 \| good	5.919 \| good	25.497 \| good	18.32 \| good	0.085 \| good	2.423 \| good	0.172 \| good
2025-12-06T05:00:00.000Z	52 \| moderate	9.587 \| good	42.574 \| good	16.902 \| good	0.068 \| good	2.185 \| good	0.176 \| good
2025-12-06T06:00:00.000Z	54 \| moderate	11.337 \| good	50.138 \| good	16.423 \| good	0.05 \| good	1.946 \| good	0.18 \| good
2025-12-06T07:00:00.000Z	56 \| moderate	11.932 \| good	53.514 \| good	14.836 \| good	0.052 \| good	1.845 \| good	0.179 \| good
2025-12-06T08:00:00.000Z	52 \| moderate	10.478 \| good	46.517 \| good	13.105 \| good	0.053 \| good	1.744 \| good	0.178 \| good
2025-12-06T09:00:00.000Z	52 \| moderate	10.057 \| good	44.76 \| good	10.772 \| good	0.055 \| good	1.643 \| good	0.177 \| good
2025-12-06T10:00:00.000Z	52 \| moderate	10.165 \| good	44.895 \| good	9.741 \| good	0.057 \| good	1.759 \| good	0.177 \| good
2025-12-06T11:00:00.000Z	56 \| moderate	11.966 \| good	53.655 \| good	8.247 \| good	0.06 \| good	1.875 \| good	0.176 \| good
2025-12-06T12:00:00.000Z	54 \| moderate	11.255 \| good	49.981 \| good	10.411 \| good	0.046 \| good	1.575 \| good	0.177 \| good
2025-12-06T13:00:00.000Z	56 \| moderate	12.272 \| fine	55.359 \| fine	11.127 \| good	0.056 \| good	1.974 \| good	0.182 \| good
2025-12-06T14:00:00.000Z	58 \| moderate	12.56 \| fine	56.834 \| fine	11.384 \| good	0.067 \| good	2.374 \| good	0.187 \| good
2025-12-06T15:00:00.000Z	60 \| moderate	13.622 \| fine	61.442 \| fine	12.275 \| good	0.077 \| good	2.773 \| good	0.192 \| good
2025-12-06T16:00:00.000Z	62 \| moderate	14.611 \| fine	65.276 \| fine	15.622 \| good	0.08 \| good	2.393 \| good	0.187 \| good
2025-12-06T17:00:00.000Z	60 \| moderate	14.465 \| fine	64.961 \| fine	19.032 \| good	0.083 \| good	2.012 \| good	0.181 \| good
2025-12-06T18:00:00.000Z	60 \| moderate	14.475 \| fine	64.961 \| fine	20.307 \| good	0.086 \| good	1.632 \| good	0.176 \| good
2025-12-06T19:00:00.000Z	60 \| moderate	14.036 \| fine	62.961 \| fine	21.754 \| good	0.098 \| good	1.744 \| good	0.176 \| good
2025-12-06T20:00:00.000Z	60 \| moderate	14.057 \| fine	62.961 \| fine	23.596 \| good	0.11 \| good	1.855 \| good	0.176 \| good
2025-12-06T21:00:00.000Z	62 \| moderate	14.78 \| fine	65.442 \| fine	22.436 \| good	0.122 \| good	1.966 \| good	0.175 \| good
2025-12-06T22:00:00.000Z	64 \| moderate	15.542 \| fine	69.442 \| fine	20.619 \| good	0.13 \| good	2.402 \| good	0.179 \| good
2025-12-06T23:00:00.000Z	62 \| moderate	15.372 \| fine	68.685 \| fine	18.336 \| good	0.137 \| good	2.838 \| good	0.183 \| good
2025-12-07T00:00:00.000Z	60 \| moderate	13.584 \| fine	60.995 \| fine	13.512 \| good	0.092 \| good	3.022 \| good	0.183 \| good
2025-12-07T01:00:00.000Z	58 \| moderate	13.497 \| fine	60.995 \| fine	17.183 \| good	0.104 \| good	3.069 \| good	0.185 \| good
2025-12-07T02:00:00.000Z	60 \| moderate	13.798 \| fine	62.243 \| fine	16.342 \| good	0.116 \| good	3.116 \| good	0.186 \| good
2025-12-07T03:00:00.000Z	60 \| moderate	13.914 \| fine	62.514 \| fine	15.6 \| good	0.128 \| good	3.163 \| good	0.188 \| good
2025-12-07T04:00:00.000Z	58 \| moderate	13.43 \| fine	60.243 \| fine	15.28 \| good	0.114 \| good	2.984 \| good	0.188 \| good
2025-12-07T05:00:00.000Z	56 \| moderate	12.048 \| good	54.346 \| good	14.539 \| good	0.099 \| good	2.804 \| good	0.187 \| good
2025-12-07T06:00:00.000Z	52 \| moderate	10.169 \| good	44.997 \| good	13.015 \| good	0.085 \| good	2.625 \| good	0.186 \| good
2025-12-07T07:00:00.000Z	49 \| good	8.945 \| good	39.166 \| good	13.378 \| good	0.08 \| good	2.444 \| good	0.185 \| good
2025-12-07T08:00:00.000Z	38 \| good	6.707 \| good	30 \| good	14.545 \| good	0.074 \| good	2.263 \| good	0.183 \| good
2025-12-07T09:00:00.000Z	38 \| good	6.707 \| good	30 \| good	14.545 \| good	0.074 \| good	2.263 \| good	0.183 \| good
2025-12-07T10:00:00.000Z	27 \| good	4.865 \| good	21.144 \| good	13.504 \| good	0.073 \| good	2.23 \| good	0.186 \| good
2025-12-07T11:00:00.000Z	33 \| good	6.204 \| good	27.295 \| good	12.148 \| good	0.078 \| good	2.375 \| good	0.189 \| good
2025-12-07T12:00:00.000Z	33 \| good	6.449 \| good	28.748 \| good	12.78 \| good	0.082 \| good	2.52 \| good	0.192 \| good
2025-12-07T13:00:00.000Z	38 \| good	6.63 \| good	29.748 \| good	13.783 \| good	0.104 \| good	2.406 \| good	0.189 \| good
2025-12-07T14:00:00.000Z	33 \| good	5.917 \| good	25.735 \| good	14.404 \| good	0.125 \| good	2.292 \| good	0.186 \| good
2025-12-07T15:00:00.000Z	27 \| good	5.311 \| good	23.029 \| good	16.333 \| good	0.147 \| good	2.178 \| good	0.182 \| good
2025-12-07T16:00:00.000Z	38 \| good	6.559 \| good	29.32 \| good	17.566 \| good	0.152 \| good	1.995 \| good	0.18 \| good
2025-12-07T17:00:00.000Z	27 \| good	5.247 \| good	22.448 \| good	17.742 \| good	0.156 \| good	1.813 \| good	0.178 \| good
2025-12-07T18:00:00.000Z	33 \| good	5.511 \| good	23.575 \| good	17.949 \| good	0.161 \| good	1.63 \| good	0.175 \| good
2025-12-07T19:00:00.000Z	33 \| good	5.829 \| good	25.43 \| good	19.838 \| good	0.154 \| good	1.974 \| good	0.178 \| good
2025-12-07T20:00:00.000Z	33 \| good	5.776 \| good	24.968 \| good	19.839 \| good	0.147 \| good	2.318 \| good	0.18 \| good
2025-12-07T21:00:00.000Z	33 \| good	6.075 \| good	27 \| good	19.874 \| good	0.141 \| good	2.662 \| good	0.182 \| good
2025-12-07T22:00:00.000Z	38 \| good	6.629 \| good	29.448 \| good	18.258 \| good	0.136 \| good	3.831 \| good	0.189 \| good
2025-12-07T23:00:00.000Z	38 \| good	6.718 \| good	30 \| good	14.224 \| good	0.131 \| good	5 \| good	0.195 \| good
2025-12-08T00:00:00.000Z	38 \| good	6.567 \| good	29.196 \| good	10.048 \| good	0.126 \| good	6.169 \| good	0.201 \| good
2025-12-08T01:00:00.000Z	33 \| good	5.622 \| good	24.031 \| good	10.378 \| good	0.129 \| good	6.561 \| good	0.206 \| good
2025-12-08T02:00:00.000Z	33 \| good	5.791 \| good	24.839 \| good	9.563 \| good	0.132 \| good	6.952 \| good	0.211 \| good
2025-12-08T03:00:00.000Z	38 \| good	7.051 \| good	31.126 \| good	9.669 \| good	0.135 \| good	7.343 \| good	0.217 \| good
2025-12-08T04:00:00.000Z	33 \| good	5.833 \| good	25.068 \| good	8.898 \| good	0.141 \| good	7.856 \| good	0.223 \| good
2025-12-08T05:00:00.000Z	38 \| good	6.559 \| good	29.097 \| good	9.477 \| good	0.147 \| good	8.368 \| good	0.23 \| good
2025-12-08T06:00:00.000Z	33 \| good	6.164 \| good	27.229 \| good	9.96 \| good	0.152 \| good	8.881 \| good	0.237 \| good
2025-12-08T07:00:00.000Z	33 \| good	6.227 \| good	27.452 \| good	10.349 \| good	0.134 \| good	8.008 \| good	0.23 \| good
2025-12-08T08:00:00.000Z	33 \| good	5.804 \| good	25.339 \| good	10.66 \| good	0.115 \| good	7.135 \| good	0.223 \| good
2025-12-08T09:00:00.000Z	33 \| good	5.901 \| good	25.597 \| good	10.24 \| good	0.096 \| good	6.262 \| good	0.215 \| good
2025-12-08T10:00:00.000Z	33 \| good	5.517 \| good	23.749 \| good	9.144 \| good	0.092 \| good	5.832 \| good	0.213 \| good
2025-12-08T11:00:00.000Z	33 \| good	5.628 \| good	24.056 \| good	9.705 \| good	0.088 \| good	5.402 \| good	0.21 \| good
2025-12-08T12:00:00.000Z	33 \| good	5.819 \| good	25.053 \| good	10.94 \| good	0.083 \| good	4.973 \| good	0.207 \| good
2025-12-08T13:00:00.000Z	33 \| good	6.268 \| good	28.026 \| good	10.281 \| good	0.099 \| good	4.836 \| good	0.209 \| good
2025-12-08T14:00:00.000Z	44 \| good	7.851 \| good	34.253 \| good	10.891 \| good	0.115 \| good	4.7 \| good	0.211 \| good
2025-12-08T15:00:00.000Z	44 \| good	8.222 \| good	36 \| good	12.308 \| good	0.13 \| good	4.564 \| good	0.213 \| good
2025-12-08T16:00:00.000Z	52 \| moderate	10.026 \| good	44.898 \| good	15.354 \| good	0.139 \| good	3.97 \| good	0.21 \| good
2025-12-08T17:00:00.000Z	49 \| good	8.71 \| good	38.045 \| good	18.121 \| good	0.148 \| good	3.376 \| good	0.206 \| good
2025-12-08T18:00:00.000Z	49 \| good	9.3 \| good	41.733 \| good	20.277 \| good	0.157 \| good	2.783 \| good	0.203 \| good
2025-12-08T19:00:00.000Z	49 \| good	9.37 \| good	41.943 \| good	22.518 \| good	0.152 \| good	3.077 \| good	0.204 \| good
2025-12-08T20:00:00.000Z	49 \| good	9.2 \| good	41.095 \| good	24.112 \| good	0.148 \| good	3.371 \| good	0.205 \| good
2025-12-08T21:00:00.000Z	49 \| good	8.839 \| good	39.037 \| good	23.735 \| good	0.143 \| good	3.665 \| good	0.206 \| good
2025-12-08T22:00:00.000Z	44 \| good	8.18 \| good	36.008 \| good	22.124 \| good	0.17 \| good	4.017 \| good	0.202 \| good
2025-12-08T23:00:00.000Z	44 \| good	7.738 \| good	33.982 \| good	20.661 \| good	0.196 \| good	4.369 \| good	0.198 \| good
2025-12-09T00:00:00.000Z	38 \| good	6.929 \| good	30.855 \| good	18.295 \| good	0.223 \| good	4.721 \| good	0.193 \| good
2025-12-09T01:00:00.000Z	33 \| good	6.319 \| good	28.078 \| good	17.381 \| good	0.238 \| good	4.545 \| good	0.192 \| good
2025-12-09T02:00:00.000Z	38 \| good	6.985 \| good	30.9 \| good	17.293 \| good	0.253 \| good	4.37 \| good	0.19 \| good
2025-12-09T03:00:00.000Z	44 \| good	8.457 \| good	37.006 \| good	15.747 \| good	0.268 \| good	4.194 \| good	0.189 \| good
2025-12-09T04:00:00.000Z	52 \| moderate	9.895 \| good	43.95 \| good	15.586 \| good	0.28 \| good	4.283 \| good	0.19 \| good
2025-12-09T05:00:00.000Z	54 \| moderate	11.407 \| good	50.689 \| good	15.114 \| good	0.292 \| good	4.372 \| good	0.191 \| good
2025-12-09T06:00:00.000Z	49 \| good	8.631 \| good	8.697 \| good	25.564 \| good	0.304 \| good	4.454 \| good	0.192 \| good
2025-12-09T07:00:00.000Z	60 \| moderate	13.8 \| fine	62.451 \| fine	13.333 \| good	0.264 \| good	4.365 \| good	0.191 \| good
2025-12-09T08:00:00.000Z	58 \| moderate	12.524 \| fine	56.56 \| fine	12.571 \| good	0.223 \| good	4.269 \| good	0.189 \| good
2025-12-09T09:00:00.000Z	54 \| moderate	11.378 \| good	50.501 \| good	12.721 \| good	0.183 \| good	4.174 \| good	0.187 \| good

Marshalltown

Empower business decisions with accurate air quality data

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

0.22ppm

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 Marshalltown, Iowa updated?

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

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

The worst air quality in Marshalltown, Iowa was recorded at 10:00:00 on 2025-12-06.

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

The best air quality in Marshalltown, Iowa was recorded at 08:00:00 on 2025-12-07.

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

The real-time air quality index in Marshalltown, Iowa is 38, currently categorized as Good.

Which pollutant is found most often in Marshalltown, Iowa?

The most common pollutant in Marshalltown, Iowa is PM2.5.

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

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

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

The measured PM_2.5 levels in Marshalltown, Iowa at present are 6.707 μg/m³.

What are the current PM₁₀ levels at Marshalltown, Iowa?

The current PM₁₀ levels in Marshalltown, Iowa are 30 μg/m³.

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

The current carbon monoxide (CO) level in Marshalltown, Iowa is 0.183 ppm.

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

The current sulfur dioxide (SO₂) levels in Marshalltown, Iowa are 0.074 ppb.

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

The current ozone (O₃) levels at Marshalltown, Iowa is 14.545 ppm.

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

The current nitrogen dioxide (NO₂) levels at Marshalltown, Iowa is 2.263 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T10:00:00.000Z	38 \| good	6.948 \| good	30.895 \| good	15.874 \| good	0.244 \| good	2.871 \| good	0.177 \| good
2025-12-05T11:00:00.000Z	38 \| good	7.37 \| good	32.221 \| good	15.105 \| good	0.239 \| good	3.015 \| good	0.177 \| good
2025-12-05T12:00:00.000Z	49 \| good	9.199 \| good	41.086 \| good	15.338 \| good	0.226 \| good	2.887 \| good	0.186 \| good
2025-12-05T13:00:00.000Z	54 \| moderate	11.101 \| good	49.138 \| good	14.35 \| good	0.231 \| good	3.057 \| good	0.188 \| good
2025-12-05T14:00:00.000Z	56 \| moderate	12.127 \| fine	54.378 \| good	14.183 \| good	0.236 \| good	3.227 \| good	0.189 \| good
2025-12-05T15:00:00.000Z	54 \| moderate	11.471 \| good	50.843 \| good	16.235 \| good	0.241 \| good	3.397 \| good	0.19 \| good
2025-12-05T16:00:00.000Z	54 \| moderate	10.726 \| good	47.381 \| good	18.222 \| good	0.23 \| good	3.066 \| good	0.19 \| good
2025-12-05T17:00:00.000Z	54 \| moderate	11.149 \| good	49.276 \| good	19.625 \| good	0.22 \| good	2.736 \| good	0.189 \| good
2025-12-05T18:00:00.000Z	54 \| moderate	11.208 \| good	49.359 \| good	21.835 \| good	0.21 \| good	2.406 \| good	0.188 \| good
2025-12-05T19:00:00.000Z	56 \| moderate	11.583 \| good	51.138 \| good	24.7 \| good	0.211 \| good	2.659 \| good	0.187 \| good
2025-12-05T20:00:00.000Z	56 \| moderate	11.819 \| good	52.359 \| good	24.926 \| good	0.213 \| good	2.912 \| good	0.185 \| good
2025-12-05T21:00:00.000Z	54 \| moderate	10.615 \| good	47.052 \| good	25.405 \| good	0.214 \| good	3.166 \| good	0.184 \| good
2025-12-05T22:00:00.000Z	54 \| moderate	10.597 \| good	47.052 \| good	22.409 \| good	0.204 \| good	3.855 \| good	0.186 \| good
2025-12-05T23:00:00.000Z	52 \| moderate	9.624 \| good	42.895 \| good	18.478 \| good	0.194 \| good	4.543 \| good	0.188 \| good
2025-12-06T00:00:00.000Z	52 \| moderate	9.678 \| good	42.978 \| good	12.95 \| good	0.197 \| good	5.279 \| good	0.192 \| good
2025-12-06T01:00:00.000Z	44 \| good	8.15 \| good	35.597 \| good	13.572 \| good	0.166 \| good	4.407 \| good	0.184 \| good
2025-12-06T02:00:00.000Z	38 \| good	7.263 \| good	31.84 \| good	16.673 \| good	0.134 \| good	3.534 \| good	0.177 \| good
2025-12-06T03:00:00.000Z	33 \| good	6.134 \| good	27.135 \| good	18.517 \| good	0.103 \| good	2.662 \| good	0.169 \| good
2025-12-06T04:00:00.000Z	33 \| good	5.919 \| good	25.497 \| good	18.32 \| good	0.085 \| good	2.423 \| good	0.172 \| good
2025-12-06T05:00:00.000Z	52 \| moderate	9.587 \| good	42.574 \| good	16.902 \| good	0.068 \| good	2.185 \| good	0.176 \| good
2025-12-06T06:00:00.000Z	54 \| moderate	11.337 \| good	50.138 \| good	16.423 \| good	0.05 \| good	1.946 \| good	0.18 \| good
2025-12-06T07:00:00.000Z	56 \| moderate	11.932 \| good	53.514 \| good	14.836 \| good	0.052 \| good	1.845 \| good	0.179 \| good
2025-12-06T08:00:00.000Z	52 \| moderate	10.478 \| good	46.517 \| good	13.105 \| good	0.053 \| good	1.744 \| good	0.178 \| good
2025-12-06T09:00:00.000Z	52 \| moderate	10.057 \| good	44.76 \| good	10.772 \| good	0.055 \| good	1.643 \| good	0.177 \| good
2025-12-06T10:00:00.000Z	52 \| moderate	10.165 \| good	44.895 \| good	9.741 \| good	0.057 \| good	1.759 \| good	0.177 \| good
2025-12-06T11:00:00.000Z	56 \| moderate	11.966 \| good	53.655 \| good	8.247 \| good	0.06 \| good	1.875 \| good	0.176 \| good
2025-12-06T12:00:00.000Z	54 \| moderate	11.255 \| good	49.981 \| good	10.411 \| good	0.046 \| good	1.575 \| good	0.177 \| good
2025-12-06T13:00:00.000Z	56 \| moderate	12.272 \| fine	55.359 \| fine	11.127 \| good	0.056 \| good	1.974 \| good	0.182 \| good
2025-12-06T14:00:00.000Z	58 \| moderate	12.56 \| fine	56.834 \| fine	11.384 \| good	0.067 \| good	2.374 \| good	0.187 \| good
2025-12-06T15:00:00.000Z	60 \| moderate	13.622 \| fine	61.442 \| fine	12.275 \| good	0.077 \| good	2.773 \| good	0.192 \| good
2025-12-06T16:00:00.000Z	62 \| moderate	14.611 \| fine	65.276 \| fine	15.622 \| good	0.08 \| good	2.393 \| good	0.187 \| good
2025-12-06T17:00:00.000Z	60 \| moderate	14.465 \| fine	64.961 \| fine	19.032 \| good	0.083 \| good	2.012 \| good	0.181 \| good
2025-12-06T18:00:00.000Z	60 \| moderate	14.475 \| fine	64.961 \| fine	20.307 \| good	0.086 \| good	1.632 \| good	0.176 \| good
2025-12-06T19:00:00.000Z	60 \| moderate	14.036 \| fine	62.961 \| fine	21.754 \| good	0.098 \| good	1.744 \| good	0.176 \| good
2025-12-06T20:00:00.000Z	60 \| moderate	14.057 \| fine	62.961 \| fine	23.596 \| good	0.11 \| good	1.855 \| good	0.176 \| good
2025-12-06T21:00:00.000Z	62 \| moderate	14.78 \| fine	65.442 \| fine	22.436 \| good	0.122 \| good	1.966 \| good	0.175 \| good
2025-12-06T22:00:00.000Z	64 \| moderate	15.542 \| fine	69.442 \| fine	20.619 \| good	0.13 \| good	2.402 \| good	0.179 \| good
2025-12-06T23:00:00.000Z	62 \| moderate	15.372 \| fine	68.685 \| fine	18.336 \| good	0.137 \| good	2.838 \| good	0.183 \| good
2025-12-07T00:00:00.000Z	60 \| moderate	13.584 \| fine	60.995 \| fine	13.512 \| good	0.092 \| good	3.022 \| good	0.183 \| good
2025-12-07T01:00:00.000Z	58 \| moderate	13.497 \| fine	60.995 \| fine	17.183 \| good	0.104 \| good	3.069 \| good	0.185 \| good
2025-12-07T02:00:00.000Z	60 \| moderate	13.798 \| fine	62.243 \| fine	16.342 \| good	0.116 \| good	3.116 \| good	0.186 \| good
2025-12-07T03:00:00.000Z	60 \| moderate	13.914 \| fine	62.514 \| fine	15.6 \| good	0.128 \| good	3.163 \| good	0.188 \| good
2025-12-07T04:00:00.000Z	58 \| moderate	13.43 \| fine	60.243 \| fine	15.28 \| good	0.114 \| good	2.984 \| good	0.188 \| good
2025-12-07T05:00:00.000Z	56 \| moderate	12.048 \| good	54.346 \| good	14.539 \| good	0.099 \| good	2.804 \| good	0.187 \| good
2025-12-07T06:00:00.000Z	52 \| moderate	10.169 \| good	44.997 \| good	13.015 \| good	0.085 \| good	2.625 \| good	0.186 \| good
2025-12-07T07:00:00.000Z	49 \| good	8.945 \| good	39.166 \| good	13.378 \| good	0.08 \| good	2.444 \| good	0.185 \| good
2025-12-07T08:00:00.000Z	38 \| good	6.707 \| good	30 \| good	14.545 \| good	0.074 \| good	2.263 \| good	0.183 \| good
2025-12-07T09:00:00.000Z	38 \| good	6.707 \| good	30 \| good	14.545 \| good	0.074 \| good	2.263 \| good	0.183 \| good
2025-12-07T10:00:00.000Z	27 \| good	4.865 \| good	21.144 \| good	13.504 \| good	0.073 \| good	2.23 \| good	0.186 \| good
2025-12-07T11:00:00.000Z	33 \| good	6.204 \| good	27.295 \| good	12.148 \| good	0.078 \| good	2.375 \| good	0.189 \| good
2025-12-07T12:00:00.000Z	33 \| good	6.449 \| good	28.748 \| good	12.78 \| good	0.082 \| good	2.52 \| good	0.192 \| good
2025-12-07T13:00:00.000Z	38 \| good	6.63 \| good	29.748 \| good	13.783 \| good	0.104 \| good	2.406 \| good	0.189 \| good
2025-12-07T14:00:00.000Z	33 \| good	5.917 \| good	25.735 \| good	14.404 \| good	0.125 \| good	2.292 \| good	0.186 \| good
2025-12-07T15:00:00.000Z	27 \| good	5.311 \| good	23.029 \| good	16.333 \| good	0.147 \| good	2.178 \| good	0.182 \| good
2025-12-07T16:00:00.000Z	38 \| good	6.559 \| good	29.32 \| good	17.566 \| good	0.152 \| good	1.995 \| good	0.18 \| good
2025-12-07T17:00:00.000Z	27 \| good	5.247 \| good	22.448 \| good	17.742 \| good	0.156 \| good	1.813 \| good	0.178 \| good
2025-12-07T18:00:00.000Z	33 \| good	5.511 \| good	23.575 \| good	17.949 \| good	0.161 \| good	1.63 \| good	0.175 \| good
2025-12-07T19:00:00.000Z	33 \| good	5.829 \| good	25.43 \| good	19.838 \| good	0.154 \| good	1.974 \| good	0.178 \| good
2025-12-07T20:00:00.000Z	33 \| good	5.776 \| good	24.968 \| good	19.839 \| good	0.147 \| good	2.318 \| good	0.18 \| good
2025-12-07T21:00:00.000Z	33 \| good	6.075 \| good	27 \| good	19.874 \| good	0.141 \| good	2.662 \| good	0.182 \| good
2025-12-07T22:00:00.000Z	38 \| good	6.629 \| good	29.448 \| good	18.258 \| good	0.136 \| good	3.831 \| good	0.189 \| good
2025-12-07T23:00:00.000Z	38 \| good	6.718 \| good	30 \| good	14.224 \| good	0.131 \| good	5 \| good	0.195 \| good
2025-12-08T00:00:00.000Z	38 \| good	6.567 \| good	29.196 \| good	10.048 \| good	0.126 \| good	6.169 \| good	0.201 \| good
2025-12-08T01:00:00.000Z	33 \| good	5.622 \| good	24.031 \| good	10.378 \| good	0.129 \| good	6.561 \| good	0.206 \| good
2025-12-08T02:00:00.000Z	33 \| good	5.791 \| good	24.839 \| good	9.563 \| good	0.132 \| good	6.952 \| good	0.211 \| good
2025-12-08T03:00:00.000Z	38 \| good	7.051 \| good	31.126 \| good	9.669 \| good	0.135 \| good	7.343 \| good	0.217 \| good
2025-12-08T04:00:00.000Z	33 \| good	5.833 \| good	25.068 \| good	8.898 \| good	0.141 \| good	7.856 \| good	0.223 \| good
2025-12-08T05:00:00.000Z	38 \| good	6.559 \| good	29.097 \| good	9.477 \| good	0.147 \| good	8.368 \| good	0.23 \| good
2025-12-08T06:00:00.000Z	33 \| good	6.164 \| good	27.229 \| good	9.96 \| good	0.152 \| good	8.881 \| good	0.237 \| good
2025-12-08T07:00:00.000Z	33 \| good	6.227 \| good	27.452 \| good	10.349 \| good	0.134 \| good	8.008 \| good	0.23 \| good
2025-12-08T08:00:00.000Z	33 \| good	5.804 \| good	25.339 \| good	10.66 \| good	0.115 \| good	7.135 \| good	0.223 \| good
2025-12-08T09:00:00.000Z	33 \| good	5.901 \| good	25.597 \| good	10.24 \| good	0.096 \| good	6.262 \| good	0.215 \| good
2025-12-08T10:00:00.000Z	33 \| good	5.517 \| good	23.749 \| good	9.144 \| good	0.092 \| good	5.832 \| good	0.213 \| good
2025-12-08T11:00:00.000Z	33 \| good	5.628 \| good	24.056 \| good	9.705 \| good	0.088 \| good	5.402 \| good	0.21 \| good
2025-12-08T12:00:00.000Z	33 \| good	5.819 \| good	25.053 \| good	10.94 \| good	0.083 \| good	4.973 \| good	0.207 \| good
2025-12-08T13:00:00.000Z	33 \| good	6.268 \| good	28.026 \| good	10.281 \| good	0.099 \| good	4.836 \| good	0.209 \| good
2025-12-08T14:00:00.000Z	44 \| good	7.851 \| good	34.253 \| good	10.891 \| good	0.115 \| good	4.7 \| good	0.211 \| good
2025-12-08T15:00:00.000Z	44 \| good	8.222 \| good	36 \| good	12.308 \| good	0.13 \| good	4.564 \| good	0.213 \| good
2025-12-08T16:00:00.000Z	52 \| moderate	10.026 \| good	44.898 \| good	15.354 \| good	0.139 \| good	3.97 \| good	0.21 \| good
2025-12-08T17:00:00.000Z	49 \| good	8.71 \| good	38.045 \| good	18.121 \| good	0.148 \| good	3.376 \| good	0.206 \| good
2025-12-08T18:00:00.000Z	49 \| good	9.3 \| good	41.733 \| good	20.277 \| good	0.157 \| good	2.783 \| good	0.203 \| good
2025-12-08T19:00:00.000Z	49 \| good	9.37 \| good	41.943 \| good	22.518 \| good	0.152 \| good	3.077 \| good	0.204 \| good
2025-12-08T20:00:00.000Z	49 \| good	9.2 \| good	41.095 \| good	24.112 \| good	0.148 \| good	3.371 \| good	0.205 \| good
2025-12-08T21:00:00.000Z	49 \| good	8.839 \| good	39.037 \| good	23.735 \| good	0.143 \| good	3.665 \| good	0.206 \| good
2025-12-08T22:00:00.000Z	44 \| good	8.18 \| good	36.008 \| good	22.124 \| good	0.17 \| good	4.017 \| good	0.202 \| good
2025-12-08T23:00:00.000Z	44 \| good	7.738 \| good	33.982 \| good	20.661 \| good	0.196 \| good	4.369 \| good	0.198 \| good
2025-12-09T00:00:00.000Z	38 \| good	6.929 \| good	30.855 \| good	18.295 \| good	0.223 \| good	4.721 \| good	0.193 \| good
2025-12-09T01:00:00.000Z	33 \| good	6.319 \| good	28.078 \| good	17.381 \| good	0.238 \| good	4.545 \| good	0.192 \| good
2025-12-09T02:00:00.000Z	38 \| good	6.985 \| good	30.9 \| good	17.293 \| good	0.253 \| good	4.37 \| good	0.19 \| good
2025-12-09T03:00:00.000Z	44 \| good	8.457 \| good	37.006 \| good	15.747 \| good	0.268 \| good	4.194 \| good	0.189 \| good
2025-12-09T04:00:00.000Z	52 \| moderate	9.895 \| good	43.95 \| good	15.586 \| good	0.28 \| good	4.283 \| good	0.19 \| good
2025-12-09T05:00:00.000Z	54 \| moderate	11.407 \| good	50.689 \| good	15.114 \| good	0.292 \| good	4.372 \| good	0.191 \| good
2025-12-09T06:00:00.000Z	49 \| good	8.631 \| good	8.697 \| good	25.564 \| good	0.304 \| good	4.454 \| good	0.192 \| good
2025-12-09T07:00:00.000Z	60 \| moderate	13.8 \| fine	62.451 \| fine	13.333 \| good	0.264 \| good	4.365 \| good	0.191 \| good
2025-12-09T08:00:00.000Z	58 \| moderate	12.524 \| fine	56.56 \| fine	12.571 \| good	0.223 \| good	4.269 \| good	0.189 \| good
2025-12-09T09:00:00.000Z	54 \| moderate	11.378 \| good	50.501 \| good	12.721 \| good	0.183 \| good	4.174 \| good	0.187 \| good

Real-time air quality index in Marshalltown, Iowa today

Common air pollutants in Marshalltown, Iowa

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Marshalltown, Iowa air quality forecast and history

Empower business decisions with accurate air quality data

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

Air quality in nearby cities

Newton, Iowa

Ames, Iowa

Altoona, Iowa

Cedar Falls, Iowa

Ankeny, Iowa

Waterloo, Iowa

How accurate is Iowa, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

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

Which pollutant is found most often in Marshalltown, Iowa?

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

What are the current PM2.5 levels in Marshalltown, Iowa?

What are the current PM10 levels at Marshalltown, Iowa?

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

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

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

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

What are the current PM₁₀ levels at Marshalltown, Iowa?

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

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

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