What is the current concentration of PM10 in Mason City, Iowa?

The current PM10 concentration at Mason City, Iowa is 32 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Mason City, Iowa?

The current sulfur dioxide (SO2) concentration at Mason City, Iowa is 0.465 ppb.

What is the current concentration of ozone (O3) in Mason City, Iowa?

The current ozone (O3) concentration at Mason City, Iowa is 54.831 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Mason City, Iowa?

The current nitrogen dioxide (NO2) concentration at Mason City, Iowa is 1.017 ppb.

Mason City, Iowa live air quality index now

Q: What is the current concentration of PM2.5 in Mason City, Iowa?

The current PM2.5 concentration at Mason City, Iowa is 7.219 μg/m3.

Stay updated with real-time air quality in Mason City, 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)

Moderate

Mason City, Iowa

Last updated: ... (Local time)

Major air pollutants in Mason City, Iowa

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

7.22 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

32.00 μg/m³

155

255

425

605+

Ozone (O₃)

54.83 ppb

201

201+

Sulfur Dioxide (SO₂)

0.47 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.02 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.16 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Mason City, Iowa

Get Live Pollen Counts

Mason City, Iowa

Scroll To Air Quality Map

Track live Mason City, Iowa air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T22:00:00.000Z	39 \| good	5.122 \| good	22 \| good	41.529 \| good	0.571 \| good	0.738 \| good	0.111 \| good
2026-10-20T23:00:00.000Z	34 \| good	5.603 \| good	24 \| good	37.345 \| good	0.62 \| good	1.748 \| good	0.116 \| good
2026-10-21T00:00:00.000Z	33 \| good	5.547 \| good	23.814 \| good	31.156 \| good	0.623 \| good	2.948 \| good	0.125 \| good
2026-10-21T01:00:00.000Z	27 \| good	5.108 \| good	22 \| good	26.457 \| good	0.655 \| good	3.435 \| good	0.129 \| good
2026-10-21T02:00:00.000Z	27 \| good	5.176 \| good	22.131 \| good	24.639 \| good	0.691 \| good	3.637 \| good	0.132 \| good
2026-10-21T03:00:00.000Z	33 \| good	5.684 \| good	24.333 \| good	22.387 \| good	0.708 \| good	3.724 \| good	0.134 \| good
2026-10-21T04:00:00.000Z	33 \| good	6.279 \| good	28 \| good	20.79 \| good	0.694 \| good	3.816 \| good	0.137 \| good
2026-10-21T05:00:00.000Z	33 \| good	5.875 \| good	25.667 \| good	18.39 \| good	0.647 \| good	3.912 \| good	0.14 \| good
2026-10-21T06:00:00.000Z	33 \| good	6.2 \| good	27.333 \| good	17.135 \| good	0.58 \| good	3.982 \| good	0.142 \| good
2026-10-21T07:00:00.000Z	33 \| good	5.868 \| good	25 \| good	15.766 \| good	0.512 \| good	4.145 \| good	0.144 \| good
2026-10-21T08:00:00.000Z	33 \| good	6.226 \| good	27.869 \| good	15.245 \| good	0.454 \| good	4.403 \| good	0.146 \| good
2026-10-21T09:00:00.000Z	33 \| good	6.333 \| good	28.079 \| good	13.938 \| good	0.415 \| good	4.72 \| good	0.149 \| good
2026-10-21T10:00:00.000Z	38 \| good	7.254 \| good	31.667 \| good	13.115 \| good	0.394 \| good	5.045 \| good	0.152 \| good
2026-10-21T11:00:00.000Z	38 \| good	7.476 \| good	32.853 \| good	12.038 \| good	0.386 \| good	5.378 \| good	0.155 \| good
2026-10-21T12:00:00.000Z	38 \| good	7.339 \| good	32.385 \| good	11.585 \| good	0.385 \| good	6.216 \| good	0.178 \| good
2026-10-21T13:00:00.000Z	44 \| good	7.603 \| good	33.464 \| good	14.091 \| good	0.402 \| good	6.555 \| good	0.183 \| good
2026-10-21T14:00:00.000Z	44 \| good	8.176 \| good	36 \| good	20.559 \| good	0.429 \| good	5.354 \| good	0.184 \| good
2026-10-21T15:00:00.000Z	44 \| good	7.738 \| good	34 \| good	27.786 \| good	0.482 \| good	4.21 \| good	0.179 \| good
2026-10-21T16:00:00.000Z	44 \| good	8.354 \| good	36.667 \| good	34.327 \| good	0.529 \| good	3.233 \| good	0.168 \| good
2026-10-21T17:00:00.000Z	49 \| good	9.247 \| good	41.079 \| good	42.381 \| good	0.513 \| good	2.338 \| good	0.155 \| good
2026-10-21T18:00:00.000Z	49 \| good	9.067 \| good	40.627 \| good	47.855 \| good	0.464 \| good	1.657 \| good	0.145 \| good
2026-10-21T19:00:00.000Z	49 \| good	8.62 \| good	37.412 \| good	49.555 \| good	0.427 \| good	1.169 \| good	0.138 \| good
2026-10-21T20:00:00.000Z	47 \| good	7.881 \| good	34.333 \| good	51.336 \| good	0.412 \| good	0.919 \| good	0.133 \| good
2026-10-21T21:00:00.000Z	50 \| good	7.083 \| good	31.333 \| good	53.921 \| good	0.412 \| good	0.868 \| good	0.131 \| good
2026-10-21T22:00:00.000Z	47 \| good	6.021 \| good	27 \| good	51.051 \| good	0.418 \| good	1.014 \| good	0.131 \| good
2026-10-21T23:00:00.000Z	42 \| good	5.886 \| good	25.667 \| good	45.243 \| good	0.394 \| good	3.091 \| good	0.144 \| good
2026-10-22T00:00:00.000Z	34 \| good	6.364 \| good	28.333 \| good	37.155 \| good	0.448 \| good	6.898 \| good	0.176 \| good
2026-10-22T01:00:00.000Z	38 \| good	6.854 \| good	30.333 \| good	30.338 \| good	0.476 \| good	10.498 \| good	0.2 \| good
2026-10-22T02:00:00.000Z	38 \| good	7.411 \| good	32.333 \| good	27.567 \| good	0.502 \| good	13.79 \| good	0.221 \| good
2026-10-22T03:00:00.000Z	44 \| good	8.184 \| good	35.853 \| good	25.197 \| good	0.517 \| good	16.443 \| good	0.237 \| good
2026-10-22T04:00:00.000Z	49 \| good	8.607 \| good	37.65 \| good	23.397 \| good	0.512 \| good	18.273 \| good	0.249 \| good
2026-10-22T05:00:00.000Z	44 \| good	8.021 \| good	35.254 \| good	21.139 \| good	0.487 \| good	19.227 \| good	0.257 \| good
2026-10-22T06:00:00.000Z	44 \| good	8.071 \| good	35.52 \| good	20.156 \| good	0.447 \| good	18.998 \| good	0.257 \| good
2026-10-22T07:00:00.000Z	44 \| good	8.227 \| good	36.333 \| good	18.639 \| good	0.418 \| good	18.216 \| good	0.253 \| good
2026-10-22T08:00:00.000Z	49 \| good	8.707 \| good	38.254 \| good	18.323 \| good	0.399 \| good	17.62 \| good	0.249 \| good
2026-10-22T09:00:00.000Z	44 \| good	8.29 \| good	36.333 \| good	16.929 \| good	0.378 \| good	17.231 \| good	0.247 \| good
2026-10-22T10:00:00.000Z	44 \| good	7.848 \| good	34.333 \| good	16.263 \| good	0.337 \| good	17.087 \| good	0.247 \| good
2026-10-22T11:00:00.000Z	38 \| good	7.149 \| good	31.814 \| good	16.619 \| good	0.275 \| good	16.854 \| good	0.249 \| good
2026-10-22T12:00:00.000Z	44 \| good	8.26 \| good	36.385 \| good	17.209 \| good	0.279 \| good	12.762 \| good	0.211 \| good
2026-10-22T13:00:00.000Z	49 \| good	8.928 \| good	39.075 \| good	16.345 \| good	0.282 \| good	11.694 \| good	0.221 \| good
2026-10-22T14:00:00.000Z	44 \| good	8.416 \| good	36.984 \| good	20.826 \| good	0.264 \| good	8.22 \| good	0.224 \| good
2026-10-22T15:00:00.000Z	44 \| good	7.586 \| good	33.52 \| good	26.919 \| good	0.291 \| good	6.083 \| good	0.207 \| good
2026-10-22T16:00:00.000Z	38 \| good	6.876 \| good	30.333 \| good	34.988 \| good	0.34 \| good	4.817 \| good	0.191 \| good
2026-10-22T17:00:00.000Z	40 \| good	6.842 \| good	30 \| good	42.599 \| good	0.413 \| good	3.645 \| good	0.178 \| good
2026-10-22T18:00:00.000Z	44 \| good	6.828 \| good	30.186 \| good	47.983 \| good	0.478 \| good	2.586 \| good	0.169 \| good
2026-10-22T19:00:00.000Z	47 \| good	7.265 \| good	32 \| good	50.885 \| good	0.52 \| good	1.718 \| good	0.165 \| good
2026-10-22T20:00:00.000Z	49 \| good	7.3 \| good	32 \| good	52.963 \| good	0.506 \| good	1.204 \| good	0.161 \| good
2026-10-22T21:00:00.000Z	51 \| moderate	7.219 \| good	32 \| good	54.831 \| good	0.465 \| good	1.017 \| good	0.159 \| good
2026-10-22T21:00:00.000Z	51 \| moderate	7.219 \| good	32 \| good	54.831 \| good	0.465 \| good	1.017 \| good	0.159 \| good
2026-10-22T11:00:00.000Z	38 \| good	7.136 \| good	31.719 \| good	16.63 \| good	0.276 \| good	16.747 \| good	0.248 \| good
2026-10-22T12:00:00.000Z	38 \| good	6.654 \| good	29.772 \| good	15.485 \| good	0.249 \| good	16.552 \| good	0.252 \| good
2026-10-22T13:00:00.000Z	33 \| good	6.391 \| good	28.54 \| good	16.041 \| good	0.195 \| good	14.179 \| good	0.261 \| good
2026-10-22T14:00:00.000Z	33 \| good	6.283 \| good	27.966 \| good	21.142 \| good	0.158 \| good	9.833 \| good	0.264 \| good
2026-10-22T15:00:00.000Z	33 \| good	5.908 \| good	26.096 \| good	28.727 \| good	0.193 \| good	7.145 \| good	0.237 \| good
2026-10-22T16:00:00.000Z	34 \| good	5.971 \| good	27 \| good	36.5 \| good	0.355 \| good	5.344 \| good	0.193 \| good
2026-10-22T17:00:00.000Z	40 \| good	6.078 \| good	27 \| good	43.213 \| good	0.472 \| good	3.499 \| good	0.164 \| good
2026-10-22T18:00:00.000Z	44 \| good	6.246 \| good	28 \| good	46.762 \| good	0.538 \| good	2.148 \| good	0.15 \| good
2026-10-22T19:00:00.000Z	45 \| good	6.402 \| good	28.524 \| good	48.872 \| good	0.566 \| good	1.309 \| good	0.142 \| good
2026-10-22T20:00:00.000Z	46 \| good	6.123 \| good	27.029 \| good	50.356 \| good	0.534 \| good	0.941 \| good	0.138 \| good
2026-10-22T21:00:00.000Z	48 \| good	5.896 \| good	26.283 \| good	52.232 \| good	0.473 \| good	0.848 \| good	0.135 \| good
2026-10-22T22:00:00.000Z	47 \| good	5.454 \| good	23.704 \| good	50.671 \| good	0.443 \| good	1.019 \| good	0.134 \| good
2026-10-22T23:00:00.000Z	42 \| good	5.821 \| good	25.355 \| good	44.823 \| good	0.406 \| good	2.581 \| good	0.144 \| good
2026-10-23T00:00:00.000Z	38 \| good	6.664 \| good	29.82 \| good	37.549 \| good	0.385 \| good	4.034 \| good	0.152 \| good
2026-10-23T01:00:00.000Z	38 \| good	7.267 \| good	32.058 \| good	31.878 \| good	0.373 \| good	4.339 \| good	0.151 \| good
2026-10-23T02:00:00.000Z	44 \| good	8.01 \| good	35.154 \| good	29.117 \| good	0.356 \| good	4.31 \| good	0.147 \| good
2026-10-23T03:00:00.000Z	49 \| good	8.601 \| good	37.637 \| good	26.516 \| good	0.332 \| good	4.204 \| good	0.142 \| good
2026-10-23T04:00:00.000Z	49 \| good	8.652 \| good	37.719 \| good	24.754 \| good	0.314 \| good	4.139 \| good	0.138 \| good
2026-10-23T05:00:00.000Z	44 \| good	7.644 \| good	33.718 \| good	23.395 \| good	0.312 \| good	4.099 \| good	0.136 \| good
2026-10-23T06:00:00.000Z	44 \| good	7.768 \| good	34.102 \| good	21.412 \| good	0.326 \| good	4.034 \| good	0.136 \| good
2026-10-23T07:00:00.000Z	38 \| good	7.483 \| good	33.049 \| good	19.948 \| good	0.348 \| good	4.026 \| good	0.137 \| good
2026-10-23T08:00:00.000Z	44 \| good	7.832 \| good	34.073 \| good	19.481 \| good	0.369 \| good	4.083 \| good	0.139 \| good
2026-10-23T09:00:00.000Z	44 \| good	7.629 \| good	34 \| good	19.233 \| good	0.385 \| good	4.143 \| good	0.141 \| good
2026-10-23T10:00:00.000Z	44 \| good	7.55 \| good	33.068 \| good	19.852 \| good	0.403 \| good	4.18 \| good	0.143 \| good
2026-10-23T11:00:00.000Z	38 \| good	7.443 \| good	32.903 \| good	19.078 \| good	0.431 \| good	4.182 \| good	0.144 \| good
2026-10-23T12:00:00.000Z	38 \| good	7.257 \| good	32 \| good	18.883 \| good	0.484 \| good	4.123 \| good	0.146 \| good
2026-10-23T13:00:00.000Z	38 \| good	6.888 \| good	30.642 \| good	19.892 \| good	0.563 \| good	4.15 \| good	0.148 \| good
2026-10-23T14:00:00.000Z	44 \| good	7.585 \| good	33.393 \| good	25.432 \| good	0.604 \| good	3.813 \| good	0.153 \| good
2026-10-23T15:00:00.000Z	44 \| good	7.857 \| good	34.141 \| good	29.88 \| good	0.692 \| good	2.976 \| good	0.152 \| good
2026-10-23T16:00:00.000Z	44 \| good	7.579 \| good	33.282 \| good	34.602 \| good	0.873 \| good	2.156 \| good	0.15 \| good
2026-10-23T17:00:00.000Z	38 \| good	7.065 \| good	31.179 \| good	40.425 \| good	1.224 \| good	1.576 \| good	0.152 \| good
2026-10-23T18:00:00.000Z	44 \| good	8.276 \| good	36.462 \| good	45.284 \| good	1.55 \| good	1.128 \| good	0.152 \| good
2026-10-23T19:00:00.000Z	49 \| good	9.164 \| good	41.18 \| good	47.561 \| good	1.635 \| good	0.941 \| good	0.151 \| good
2026-10-23T20:00:00.000Z	49 \| good	8.973 \| good	39.654 \| good	49.281 \| good	1.62 \| good	0.882 \| good	0.151 \| good
2026-10-23T21:00:00.000Z	52 \| moderate	9.784 \| good	43.529 \| good	48.911 \| good	1.598 \| good	0.971 \| good	0.152 \| good
2026-10-23T22:00:00.000Z	52 \| moderate	9.802 \| good	43.746 \| good	47.565 \| good	1.52 \| good	1.241 \| good	0.154 \| good
2026-10-23T23:00:00.000Z	49 \| good	9.466 \| good	42.358 \| good	43.273 \| good	1.434 \| good	1.512 \| good	0.155 \| good
2026-10-24T00:00:00.000Z	52 \| moderate	9.737 \| good	43.267 \| good	39.248 \| good	1.351 \| good	1.695 \| good	0.156 \| good
2026-10-24T01:00:00.000Z	52 \| moderate	9.637 \| good	43.048 \| good	33.151 \| good	1.257 \| good	1.685 \| good	0.156 \| good
2026-10-24T02:00:00.000Z	49 \| good	8.993 \| good	40.166 \| good	30.241 \| good	1.137 \| good	1.664 \| good	0.156 \| good
2026-10-24T03:00:00.000Z	49 \| good	9.179 \| good	41.223 \| good	28.342 \| good	1.032 \| good	1.662 \| good	0.157 \| good
2026-10-24T04:00:00.000Z	49 \| good	8.954 \| good	39.654 \| good	28.382 \| good	0.974 \| good	1.683 \| good	0.159 \| good
2026-10-24T05:00:00.000Z	49 \| good	8.84 \| good	38.938 \| good	27.744 \| good	0.961 \| good	1.684 \| good	0.161 \| good
2026-10-24T06:00:00.000Z	52 \| moderate	9.708 \| good	43.213 \| good	26.69 \| good	0.982 \| good	1.673 \| good	0.164 \| good
2026-10-24T07:00:00.000Z	52 \| moderate	9.79 \| good	43.36 \| good	26.104 \| good	1.021 \| good	1.671 \| good	0.167 \| good
2026-10-24T08:00:00.000Z	54 \| moderate	11.049 \| good	48.82 \| good	25.657 \| good	1.067 \| good	1.699 \| good	0.169 \| good
2026-10-24T09:00:00.000Z	56 \| moderate	11.687 \| good	51.726 \| good	24.361 \| good	1.121 \| good	1.76 \| good	0.172 \| good
2026-10-24T10:00:00.000Z	56 \| moderate	12.348 \| fine	55.937 \| fine	26.295 \| good	1.189 \| good	1.846 \| good	0.175 \| good

Mason City

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Mason City, Iowa air quality map: Track AQI near you

0.31ppm

How accurate is Iowa, USA air quality data?

Air quality data and pollutant measurements for Iowa, 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 Mason City, Iowa updated?

The air quality for Mason City, Iowa is updated every hour.

When was the worst air quality at Mason City, Iowa in the last 24 hrs?

The worst air quality in Mason City, Iowa in the last 24 hours was observed at 09:00:00 on 2026-10-21.

When was the best air quality at Mason City, Iowa in the last 24 hrs?

In the last 24 hrs, the best air quality in Mason City, Iowa was observed at 12:00:00 on 2026-10-22.

What is the current air quality in Mason City, Iowa?

The current air quality in Mason City, Iowa is 51, categorized as Moderate based on real-time data.

What pollutant is the most common in Mason City, Iowa?

The most common pollutant in Mason City, Iowa is O3.

What should I do if the air quality in Mason City, Iowa is poor?

If the air quality in Mason City, Iowa is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Mason City, Iowa?

The current PM_2.5 concentration at Mason City, Iowa is 7.219 μg/m³.

What is the current concentration of PM₁₀ in Mason City, Iowa?

The current PM₁₀ concentration at Mason City, Iowa is 32 μg/m³.

What is the current concentration of carbon monoxide (CO) in Mason City, Iowa?

The current carbon monoxide (CO) concentration at Mason City, Iowa is 0.159 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Mason City, Iowa?

The current sulfur dioxide (SO₂) concentration at Mason City, Iowa is 0.465 ppb.

What is the current concentration of ozone (O₃) in Mason City, Iowa?

The current ozone (O₃) concentration at Mason City, Iowa is 54.831 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Mason City, Iowa?

The current nitrogen dioxide (NO₂) concentration at Mason City, Iowa is 1.017 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T22:00:00.000Z	39 \| good	5.122 \| good	22 \| good	41.529 \| good	0.571 \| good	0.738 \| good	0.111 \| good
2026-10-20T23:00:00.000Z	34 \| good	5.603 \| good	24 \| good	37.345 \| good	0.62 \| good	1.748 \| good	0.116 \| good
2026-10-21T00:00:00.000Z	33 \| good	5.547 \| good	23.814 \| good	31.156 \| good	0.623 \| good	2.948 \| good	0.125 \| good
2026-10-21T01:00:00.000Z	27 \| good	5.108 \| good	22 \| good	26.457 \| good	0.655 \| good	3.435 \| good	0.129 \| good
2026-10-21T02:00:00.000Z	27 \| good	5.176 \| good	22.131 \| good	24.639 \| good	0.691 \| good	3.637 \| good	0.132 \| good
2026-10-21T03:00:00.000Z	33 \| good	5.684 \| good	24.333 \| good	22.387 \| good	0.708 \| good	3.724 \| good	0.134 \| good
2026-10-21T04:00:00.000Z	33 \| good	6.279 \| good	28 \| good	20.79 \| good	0.694 \| good	3.816 \| good	0.137 \| good
2026-10-21T05:00:00.000Z	33 \| good	5.875 \| good	25.667 \| good	18.39 \| good	0.647 \| good	3.912 \| good	0.14 \| good
2026-10-21T06:00:00.000Z	33 \| good	6.2 \| good	27.333 \| good	17.135 \| good	0.58 \| good	3.982 \| good	0.142 \| good
2026-10-21T07:00:00.000Z	33 \| good	5.868 \| good	25 \| good	15.766 \| good	0.512 \| good	4.145 \| good	0.144 \| good
2026-10-21T08:00:00.000Z	33 \| good	6.226 \| good	27.869 \| good	15.245 \| good	0.454 \| good	4.403 \| good	0.146 \| good
2026-10-21T09:00:00.000Z	33 \| good	6.333 \| good	28.079 \| good	13.938 \| good	0.415 \| good	4.72 \| good	0.149 \| good
2026-10-21T10:00:00.000Z	38 \| good	7.254 \| good	31.667 \| good	13.115 \| good	0.394 \| good	5.045 \| good	0.152 \| good
2026-10-21T11:00:00.000Z	38 \| good	7.476 \| good	32.853 \| good	12.038 \| good	0.386 \| good	5.378 \| good	0.155 \| good
2026-10-21T12:00:00.000Z	38 \| good	7.339 \| good	32.385 \| good	11.585 \| good	0.385 \| good	6.216 \| good	0.178 \| good
2026-10-21T13:00:00.000Z	44 \| good	7.603 \| good	33.464 \| good	14.091 \| good	0.402 \| good	6.555 \| good	0.183 \| good
2026-10-21T14:00:00.000Z	44 \| good	8.176 \| good	36 \| good	20.559 \| good	0.429 \| good	5.354 \| good	0.184 \| good
2026-10-21T15:00:00.000Z	44 \| good	7.738 \| good	34 \| good	27.786 \| good	0.482 \| good	4.21 \| good	0.179 \| good
2026-10-21T16:00:00.000Z	44 \| good	8.354 \| good	36.667 \| good	34.327 \| good	0.529 \| good	3.233 \| good	0.168 \| good
2026-10-21T17:00:00.000Z	49 \| good	9.247 \| good	41.079 \| good	42.381 \| good	0.513 \| good	2.338 \| good	0.155 \| good
2026-10-21T18:00:00.000Z	49 \| good	9.067 \| good	40.627 \| good	47.855 \| good	0.464 \| good	1.657 \| good	0.145 \| good
2026-10-21T19:00:00.000Z	49 \| good	8.62 \| good	37.412 \| good	49.555 \| good	0.427 \| good	1.169 \| good	0.138 \| good
2026-10-21T20:00:00.000Z	47 \| good	7.881 \| good	34.333 \| good	51.336 \| good	0.412 \| good	0.919 \| good	0.133 \| good
2026-10-21T21:00:00.000Z	50 \| good	7.083 \| good	31.333 \| good	53.921 \| good	0.412 \| good	0.868 \| good	0.131 \| good
2026-10-21T22:00:00.000Z	47 \| good	6.021 \| good	27 \| good	51.051 \| good	0.418 \| good	1.014 \| good	0.131 \| good
2026-10-21T23:00:00.000Z	42 \| good	5.886 \| good	25.667 \| good	45.243 \| good	0.394 \| good	3.091 \| good	0.144 \| good
2026-10-22T00:00:00.000Z	34 \| good	6.364 \| good	28.333 \| good	37.155 \| good	0.448 \| good	6.898 \| good	0.176 \| good
2026-10-22T01:00:00.000Z	38 \| good	6.854 \| good	30.333 \| good	30.338 \| good	0.476 \| good	10.498 \| good	0.2 \| good
2026-10-22T02:00:00.000Z	38 \| good	7.411 \| good	32.333 \| good	27.567 \| good	0.502 \| good	13.79 \| good	0.221 \| good
2026-10-22T03:00:00.000Z	44 \| good	8.184 \| good	35.853 \| good	25.197 \| good	0.517 \| good	16.443 \| good	0.237 \| good
2026-10-22T04:00:00.000Z	49 \| good	8.607 \| good	37.65 \| good	23.397 \| good	0.512 \| good	18.273 \| good	0.249 \| good
2026-10-22T05:00:00.000Z	44 \| good	8.021 \| good	35.254 \| good	21.139 \| good	0.487 \| good	19.227 \| good	0.257 \| good
2026-10-22T06:00:00.000Z	44 \| good	8.071 \| good	35.52 \| good	20.156 \| good	0.447 \| good	18.998 \| good	0.257 \| good
2026-10-22T07:00:00.000Z	44 \| good	8.227 \| good	36.333 \| good	18.639 \| good	0.418 \| good	18.216 \| good	0.253 \| good
2026-10-22T08:00:00.000Z	49 \| good	8.707 \| good	38.254 \| good	18.323 \| good	0.399 \| good	17.62 \| good	0.249 \| good
2026-10-22T09:00:00.000Z	44 \| good	8.29 \| good	36.333 \| good	16.929 \| good	0.378 \| good	17.231 \| good	0.247 \| good
2026-10-22T10:00:00.000Z	44 \| good	7.848 \| good	34.333 \| good	16.263 \| good	0.337 \| good	17.087 \| good	0.247 \| good
2026-10-22T11:00:00.000Z	38 \| good	7.149 \| good	31.814 \| good	16.619 \| good	0.275 \| good	16.854 \| good	0.249 \| good
2026-10-22T12:00:00.000Z	44 \| good	8.26 \| good	36.385 \| good	17.209 \| good	0.279 \| good	12.762 \| good	0.211 \| good
2026-10-22T13:00:00.000Z	49 \| good	8.928 \| good	39.075 \| good	16.345 \| good	0.282 \| good	11.694 \| good	0.221 \| good
2026-10-22T14:00:00.000Z	44 \| good	8.416 \| good	36.984 \| good	20.826 \| good	0.264 \| good	8.22 \| good	0.224 \| good
2026-10-22T15:00:00.000Z	44 \| good	7.586 \| good	33.52 \| good	26.919 \| good	0.291 \| good	6.083 \| good	0.207 \| good
2026-10-22T16:00:00.000Z	38 \| good	6.876 \| good	30.333 \| good	34.988 \| good	0.34 \| good	4.817 \| good	0.191 \| good
2026-10-22T17:00:00.000Z	40 \| good	6.842 \| good	30 \| good	42.599 \| good	0.413 \| good	3.645 \| good	0.178 \| good
2026-10-22T18:00:00.000Z	44 \| good	6.828 \| good	30.186 \| good	47.983 \| good	0.478 \| good	2.586 \| good	0.169 \| good
2026-10-22T19:00:00.000Z	47 \| good	7.265 \| good	32 \| good	50.885 \| good	0.52 \| good	1.718 \| good	0.165 \| good
2026-10-22T20:00:00.000Z	49 \| good	7.3 \| good	32 \| good	52.963 \| good	0.506 \| good	1.204 \| good	0.161 \| good
2026-10-22T21:00:00.000Z	51 \| moderate	7.219 \| good	32 \| good	54.831 \| good	0.465 \| good	1.017 \| good	0.159 \| good
2026-10-22T21:00:00.000Z	51 \| moderate	7.219 \| good	32 \| good	54.831 \| good	0.465 \| good	1.017 \| good	0.159 \| good
2026-10-22T11:00:00.000Z	38 \| good	7.136 \| good	31.719 \| good	16.63 \| good	0.276 \| good	16.747 \| good	0.248 \| good
2026-10-22T12:00:00.000Z	38 \| good	6.654 \| good	29.772 \| good	15.485 \| good	0.249 \| good	16.552 \| good	0.252 \| good
2026-10-22T13:00:00.000Z	33 \| good	6.391 \| good	28.54 \| good	16.041 \| good	0.195 \| good	14.179 \| good	0.261 \| good
2026-10-22T14:00:00.000Z	33 \| good	6.283 \| good	27.966 \| good	21.142 \| good	0.158 \| good	9.833 \| good	0.264 \| good
2026-10-22T15:00:00.000Z	33 \| good	5.908 \| good	26.096 \| good	28.727 \| good	0.193 \| good	7.145 \| good	0.237 \| good
2026-10-22T16:00:00.000Z	34 \| good	5.971 \| good	27 \| good	36.5 \| good	0.355 \| good	5.344 \| good	0.193 \| good
2026-10-22T17:00:00.000Z	40 \| good	6.078 \| good	27 \| good	43.213 \| good	0.472 \| good	3.499 \| good	0.164 \| good
2026-10-22T18:00:00.000Z	44 \| good	6.246 \| good	28 \| good	46.762 \| good	0.538 \| good	2.148 \| good	0.15 \| good
2026-10-22T19:00:00.000Z	45 \| good	6.402 \| good	28.524 \| good	48.872 \| good	0.566 \| good	1.309 \| good	0.142 \| good
2026-10-22T20:00:00.000Z	46 \| good	6.123 \| good	27.029 \| good	50.356 \| good	0.534 \| good	0.941 \| good	0.138 \| good
2026-10-22T21:00:00.000Z	48 \| good	5.896 \| good	26.283 \| good	52.232 \| good	0.473 \| good	0.848 \| good	0.135 \| good
2026-10-22T22:00:00.000Z	47 \| good	5.454 \| good	23.704 \| good	50.671 \| good	0.443 \| good	1.019 \| good	0.134 \| good
2026-10-22T23:00:00.000Z	42 \| good	5.821 \| good	25.355 \| good	44.823 \| good	0.406 \| good	2.581 \| good	0.144 \| good
2026-10-23T00:00:00.000Z	38 \| good	6.664 \| good	29.82 \| good	37.549 \| good	0.385 \| good	4.034 \| good	0.152 \| good
2026-10-23T01:00:00.000Z	38 \| good	7.267 \| good	32.058 \| good	31.878 \| good	0.373 \| good	4.339 \| good	0.151 \| good
2026-10-23T02:00:00.000Z	44 \| good	8.01 \| good	35.154 \| good	29.117 \| good	0.356 \| good	4.31 \| good	0.147 \| good
2026-10-23T03:00:00.000Z	49 \| good	8.601 \| good	37.637 \| good	26.516 \| good	0.332 \| good	4.204 \| good	0.142 \| good
2026-10-23T04:00:00.000Z	49 \| good	8.652 \| good	37.719 \| good	24.754 \| good	0.314 \| good	4.139 \| good	0.138 \| good
2026-10-23T05:00:00.000Z	44 \| good	7.644 \| good	33.718 \| good	23.395 \| good	0.312 \| good	4.099 \| good	0.136 \| good
2026-10-23T06:00:00.000Z	44 \| good	7.768 \| good	34.102 \| good	21.412 \| good	0.326 \| good	4.034 \| good	0.136 \| good
2026-10-23T07:00:00.000Z	38 \| good	7.483 \| good	33.049 \| good	19.948 \| good	0.348 \| good	4.026 \| good	0.137 \| good
2026-10-23T08:00:00.000Z	44 \| good	7.832 \| good	34.073 \| good	19.481 \| good	0.369 \| good	4.083 \| good	0.139 \| good
2026-10-23T09:00:00.000Z	44 \| good	7.629 \| good	34 \| good	19.233 \| good	0.385 \| good	4.143 \| good	0.141 \| good
2026-10-23T10:00:00.000Z	44 \| good	7.55 \| good	33.068 \| good	19.852 \| good	0.403 \| good	4.18 \| good	0.143 \| good
2026-10-23T11:00:00.000Z	38 \| good	7.443 \| good	32.903 \| good	19.078 \| good	0.431 \| good	4.182 \| good	0.144 \| good
2026-10-23T12:00:00.000Z	38 \| good	7.257 \| good	32 \| good	18.883 \| good	0.484 \| good	4.123 \| good	0.146 \| good
2026-10-23T13:00:00.000Z	38 \| good	6.888 \| good	30.642 \| good	19.892 \| good	0.563 \| good	4.15 \| good	0.148 \| good
2026-10-23T14:00:00.000Z	44 \| good	7.585 \| good	33.393 \| good	25.432 \| good	0.604 \| good	3.813 \| good	0.153 \| good
2026-10-23T15:00:00.000Z	44 \| good	7.857 \| good	34.141 \| good	29.88 \| good	0.692 \| good	2.976 \| good	0.152 \| good
2026-10-23T16:00:00.000Z	44 \| good	7.579 \| good	33.282 \| good	34.602 \| good	0.873 \| good	2.156 \| good	0.15 \| good
2026-10-23T17:00:00.000Z	38 \| good	7.065 \| good	31.179 \| good	40.425 \| good	1.224 \| good	1.576 \| good	0.152 \| good
2026-10-23T18:00:00.000Z	44 \| good	8.276 \| good	36.462 \| good	45.284 \| good	1.55 \| good	1.128 \| good	0.152 \| good
2026-10-23T19:00:00.000Z	49 \| good	9.164 \| good	41.18 \| good	47.561 \| good	1.635 \| good	0.941 \| good	0.151 \| good
2026-10-23T20:00:00.000Z	49 \| good	8.973 \| good	39.654 \| good	49.281 \| good	1.62 \| good	0.882 \| good	0.151 \| good
2026-10-23T21:00:00.000Z	52 \| moderate	9.784 \| good	43.529 \| good	48.911 \| good	1.598 \| good	0.971 \| good	0.152 \| good
2026-10-23T22:00:00.000Z	52 \| moderate	9.802 \| good	43.746 \| good	47.565 \| good	1.52 \| good	1.241 \| good	0.154 \| good
2026-10-23T23:00:00.000Z	49 \| good	9.466 \| good	42.358 \| good	43.273 \| good	1.434 \| good	1.512 \| good	0.155 \| good
2026-10-24T00:00:00.000Z	52 \| moderate	9.737 \| good	43.267 \| good	39.248 \| good	1.351 \| good	1.695 \| good	0.156 \| good
2026-10-24T01:00:00.000Z	52 \| moderate	9.637 \| good	43.048 \| good	33.151 \| good	1.257 \| good	1.685 \| good	0.156 \| good
2026-10-24T02:00:00.000Z	49 \| good	8.993 \| good	40.166 \| good	30.241 \| good	1.137 \| good	1.664 \| good	0.156 \| good
2026-10-24T03:00:00.000Z	49 \| good	9.179 \| good	41.223 \| good	28.342 \| good	1.032 \| good	1.662 \| good	0.157 \| good
2026-10-24T04:00:00.000Z	49 \| good	8.954 \| good	39.654 \| good	28.382 \| good	0.974 \| good	1.683 \| good	0.159 \| good
2026-10-24T05:00:00.000Z	49 \| good	8.84 \| good	38.938 \| good	27.744 \| good	0.961 \| good	1.684 \| good	0.161 \| good
2026-10-24T06:00:00.000Z	52 \| moderate	9.708 \| good	43.213 \| good	26.69 \| good	0.982 \| good	1.673 \| good	0.164 \| good
2026-10-24T07:00:00.000Z	52 \| moderate	9.79 \| good	43.36 \| good	26.104 \| good	1.021 \| good	1.671 \| good	0.167 \| good
2026-10-24T08:00:00.000Z	54 \| moderate	11.049 \| good	48.82 \| good	25.657 \| good	1.067 \| good	1.699 \| good	0.169 \| good
2026-10-24T09:00:00.000Z	56 \| moderate	11.687 \| good	51.726 \| good	24.361 \| good	1.121 \| good	1.76 \| good	0.172 \| good
2026-10-24T10:00:00.000Z	56 \| moderate	12.348 \| fine	55.937 \| fine	26.295 \| good	1.189 \| good	1.846 \| good	0.175 \| good

Mason City, Iowa live air quality index now

Major air pollutants in Mason City, Iowa

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Mason City, Iowa air quality map: Track AQI near you

Air quality in nearby cities

Albert Lea, Minnesota

Austin, Minnesota

Waverly, Iowa

Cedar Falls, Iowa

Waterloo, Iowa

Owatonna, Minnesota

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Frequently asked questions

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What is the current concentration of PM10 in Mason City, Iowa?

What is the current concentration of carbon monoxide (CO) in Mason City, Iowa?

What is the current concentration of sulfur dioxide (SO2) in Mason City, Iowa?

What is the current concentration of ozone (O3) in Mason City, Iowa?

What is the current concentration of nitrogen dioxide (NO2) in Mason City, Iowa?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the current concentration of PM_2.5 in Mason City, Iowa?

What is the current concentration of PM₁₀ in Mason City, Iowa?

What is the current concentration of sulfur dioxide (SO₂) in Mason City, Iowa?

What is the current concentration of ozone (O₃) in Mason City, Iowa?

What is the current concentration of nitrogen dioxide (NO₂) in Mason City, Iowa?