What is the PM10 level in Johnston, Iowa at the moment?

The PM10 concentration in Johnston, Iowa is 39.547 μg/m3 at the moment.

What is the sulfur dioxide (SO2) level in Johnston, Iowa at the moment?

Currently, Johnston, Iowa has a sulfur dioxide (SO2) concentration of 3.975 ppb.

What is the ozone (O3) level in Johnston, Iowa at the moment?

The current ozone (O3) level in Johnston, Iowa at the moment is 40.864 ppm.

What is the nitrogen dioxide (NO2) level in Johnston, Iowa at the moment?

Nitrogen dioxide (NO2) level in Johnston, Iowa at the moment is 4.77 ppb.

Live air quality index in Johnston, Iowa today

Q: What is the PM2.5 level in Johnston, Iowa at the moment?

PM2.5 levels in Johnston, Iowa are currently 8.836 μg/m3.

Stay updated with real-time air quality in Johnston, 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

Johnston, Iowa

Last updated: ... (Local time)

Major air pollutants in Johnston, Iowa

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

8.84 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

39.55 μg/m³

155

255

425

605+

Ozone (O₃)

40.86 ppb

201

201+

Sulfur Dioxide (SO₂)

3.98 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.77 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 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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Johnston, Iowa

Scroll To Air Quality Map

Track live Johnston, Iowa air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-07T21:00:00.000Z	28 \| good	2.904 \| good	12.47 \| good	30.488 \| good	2.471 \| good	2.619 \| good	0.201 \| good
2026-03-07T22:00:00.000Z	30 \| good	4.583 \| good	19.963 \| good	31.51 \| good	0.93 \| good	3.091 \| good	0.22 \| good
2026-03-07T23:00:00.000Z	31 \| good	5.293 \| good	23.231 \| good	33.143 \| good	0.404 \| good	3.106 \| good	0.203 \| good
2026-03-08T00:00:00.000Z	33 \| good	5.566 \| good	23.989 \| good	32.572 \| good	0.331 \| good	3.558 \| good	0.16 \| good
2026-03-08T01:00:00.000Z	27 \| good	5.24 \| good	22.221 \| good	26.749 \| good	0.358 \| good	3.095 \| good	0.24 \| good
2026-03-08T02:00:00.000Z	33 \| good	5.774 \| good	24.112 \| good	22.884 \| good	0.365 \| good	4.084 \| good	0.281 \| good
2026-03-08T03:00:00.000Z	27 \| good	4.555 \| good	20.116 \| good	29.251 \| good	0.314 \| good	4.53 \| good	0.174 \| good
2026-03-08T04:00:00.000Z	33 \| good	6.28 \| good	27.01 \| good	22.816 \| good	0.218 \| good	6.566 \| good	0.256 \| good
2026-03-08T05:00:00.000Z	44 \| good	8.206 \| good	36.603 \| good	23.279 \| good	0.334 \| good	5.206 \| good	0.232 \| good
2026-03-08T06:00:00.000Z	44 \| good	8.166 \| good	36.008 \| good	24.452 \| good	0.252 \| good	5.255 \| good	0.138 \| good
2026-03-08T07:00:00.000Z	44 \| good	8.172 \| good	36.016 \| good	24.069 \| good	0.331 \| good	3.665 \| good	0.157 \| good
2026-03-08T08:00:00.000Z	38 \| good	6.952 \| good	31.12 \| good	27.175 \| good	0.354 \| good	2.369 \| good	0.138 \| good
2026-03-08T09:00:00.000Z	44 \| good	7.878 \| good	34.457 \| good	29.033 \| good	0.349 \| good	2.653 \| good	0.138 \| good
2026-03-08T10:00:00.000Z	44 \| good	8.471 \| good	37.634 \| good	29.361 \| good	0.272 \| good	5.332 \| good	0.138 \| good
2026-03-08T11:00:00.000Z	38 \| good	6.986 \| good	31.286 \| good	28.374 \| good	0.335 \| good	4.281 \| good	0.138 \| good
2026-03-08T12:00:00.000Z	38 \| good	6.643 \| good	29.375 \| good	29.008 \| good	0.341 \| good	5.84 \| good	0.138 \| good
2026-03-08T13:00:00.000Z	38 \| good	6.683 \| good	29.733 \| good	28.999 \| good	0.34 \| good	4.343 \| good	0.157 \| good
2026-03-08T14:00:00.000Z	25 \| good	3.654 \| good	15.344 \| good	27.24 \| good	0.38 \| good	4.321 \| good	0.138 \| good
2026-03-08T15:00:00.000Z	26 \| good	3.332 \| good	15.137 \| good	27.507 \| good	0.158 \| good	2.809 \| good	0.138 \| good
2026-03-08T16:00:00.000Z	26 \| good	3.874 \| good	16.992 \| good	28.41 \| good	0.296 \| good	3.15 \| good	0.138 \| good
2026-03-08T17:00:00.000Z	28 \| good	2.837 \| good	11.958 \| good	29.805 \| good	0.351 \| good	2.532 \| good	0.161 \| good
2026-03-08T18:00:00.000Z	29 \| good	4.859 \| good	20.381 \| good	31.266 \| good	0.225 \| good	2.216 \| good	0.138 \| good
2026-03-08T19:00:00.000Z	31 \| good	5.473 \| good	23.987 \| good	33.446 \| good	0.243 \| good	2.444 \| good	0.172 \| good
2026-03-08T20:00:00.000Z	33 \| good	4.569 \| good	20.007 \| good	36.38 \| good	0.365 \| good	2.403 \| good	0.195 \| good
2026-03-08T21:00:00.000Z	38 \| good	7.494 \| good	33.657 \| good	38.243 \| good	0.346 \| good	2.245 \| good	0.195 \| good
2026-03-08T22:00:00.000Z	38 \| good	6.809 \| good	30.066 \| good	39.684 \| good	0.328 \| good	2.733 \| good	0.172 \| good
2026-03-08T23:00:00.000Z	38 \| good	5.584 \| good	24.913 \| good	40.739 \| good	0.277 \| good	4.572 \| good	0.173 \| good
2026-03-09T00:00:00.000Z	37 \| good	2.363 \| good	9.957 \| good	40.218 \| good	0.223 \| good	5.813 \| good	0.193 \| good
2026-03-09T01:00:00.000Z	36 \| good	0.836 \| good	4.003 \| good	39.462 \| good	0.233 \| good	6.138 \| good	0.213 \| good
2026-03-09T02:00:00.000Z	35 \| good	2.236 \| good	9.045 \| good	38.29 \| good	0.215 \| good	4.4 \| good	0.211 \| good
2026-03-09T03:00:00.000Z	25 \| good	4.2 \| good	18.592 \| good	26.604 \| good	0.33 \| good	1.917 \| good	0.139 \| good
2026-03-09T04:00:00.000Z	35 \| good	2.704 \| good	12.626 \| good	38.424 \| good	0.356 \| good	3.236 \| good	0.195 \| good
2026-03-09T05:00:00.000Z	33 \| good	1.685 \| good	7.631 \| good	35.96 \| good	0.336 \| good	3.479 \| good	0.195 \| good
2026-03-09T06:00:00.000Z	32 \| good	1.404 \| good	5.63 \| good	34.538 \| good	0.175 \| good	3.138 \| good	0.195 \| good
2026-03-09T07:00:00.000Z	33 \| good	1.392 \| good	5.603 \| good	35.89 \| good	0.175 \| good	3.394 \| good	0.209 \| good
2026-03-09T08:00:00.000Z	32 \| good	4.359 \| good	18.627 \| good	34.789 \| good	0.571 \| good	3.34 \| good	0.195 \| good
2026-03-09T09:00:00.000Z	32 \| good	5.281 \| good	22.965 \| good	35.405 \| good	0.252 \| good	3.56 \| good	0.195 \| good
2026-03-09T10:00:00.000Z	33 \| good	5.803 \| good	26.026 \| good	34.899 \| good	0.231 \| good	4.54 \| good	0.195 \| good
2026-03-09T11:00:00.000Z	31 \| good	3.991 \| good	17.846 \| good	33.552 \| good	0.234 \| good	6.835 \| good	0.196 \| good
2026-03-09T12:00:00.000Z	30 \| good	3.895 \| good	17.208 \| good	32.346 \| good	0.534 \| good	7.904 \| good	0.196 \| good
2026-03-09T13:00:00.000Z	30 \| good	3.916 \| good	17.231 \| good	32.125 \| good	0.518 \| good	8.185 \| good	0.237 \| good
2026-03-09T14:00:00.000Z	33 \| good	5.682 \| good	25.401 \| good	27.324 \| good	0.406 \| good	8.514 \| good	0.279 \| good
2026-03-09T15:00:00.000Z	33 \| good	5.868 \| good	26.018 \| good	30.131 \| good	0.405 \| good	6.47 \| good	0.24 \| good
2026-03-09T16:00:00.000Z	38 \| good	6.557 \| good	28.513 \| good	32.139 \| good	0.41 \| good	6.083 \| good	0.279 \| good
2026-03-09T17:00:00.000Z	38 \| good	7.462 \| good	32.736 \| good	33.9 \| good	0.946 \| good	5.427 \| good	0.263 \| good
2026-03-09T18:00:00.000Z	49 \| good	8.874 \| good	39.558 \| good	36.893 \| good	0.726 \| good	4.891 \| good	0.263 \| good
2026-03-09T19:00:00.000Z	49 \| good	8.836 \| good	39.547 \| good	40.864 \| good	3.975 \| good	4.77 \| good	0.256 \| good
2026-03-09T20:00:00.000Z	44 \| good	7.959 \| good	35.026 \| good	43.571 \| good	3.111 \| good	4.86 \| good	0.279 \| good
2026-03-09T20:00:00.000Z	49 \| good	8.836 \| good	39.547 \| good	40.864 \| good	3.975 \| good	4.77 \| good	0.256 \| good
2026-03-09T21:00:00.000Z	38 \| good	7.295 \| good	32 \| good	35.196 \| good	0.376 \| good	1.347 \| good	0.153 \| good
2026-03-09T22:00:00.000Z	33 \| good	6.467 \| good	28.784 \| good	36.46 \| good	0.388 \| good	3.321 \| good	0.168 \| good
2026-03-09T23:00:00.000Z	35 \| good	4.401 \| good	19.168 \| good	37.509 \| good	0.4 \| good	5.295 \| good	0.183 \| good
2026-03-10T00:00:00.000Z	25 \| good	3.151 \| good	13.893 \| good	26.908 \| good	0.411 \| good	7.269 \| good	0.198 \| good
2026-03-10T01:00:00.000Z	27 \| good	5.335 \| good	23.171 \| good	18.902 \| good	0.47 \| good	9.75 \| good	0.217 \| good
2026-03-10T02:00:00.000Z	22 \| good	3.182 \| good	13.407 \| good	24.101 \| good	0.528 \| good	12.23 \| good	0.236 \| good
2026-03-10T03:00:00.000Z	27 \| good	4.797 \| good	20.984 \| good	26.707 \| good	0.587 \| good	14.711 \| good	0.255 \| good
2026-03-10T04:00:00.000Z	44 \| good	7.539 \| good	32.917 \| good	22.97 \| good	0.538 \| good	12.716 \| good	0.239 \| good
2026-03-10T05:00:00.000Z	38 \| good	7.192 \| good	31.772 \| good	18.929 \| good	0.489 \| good	10.721 \| good	0.224 \| good
2026-03-10T06:00:00.000Z	52 \| moderate	9.901 \| good	44.001 \| good	17.692 \| good	0.44 \| good	8.725 \| good	0.209 \| good
2026-03-10T07:00:00.000Z	54 \| moderate	11.036 \| good	48.7 \| good	16.941 \| good	0.401 \| good	7.393 \| good	0.197 \| good
2026-03-10T08:00:00.000Z	52 \| moderate	10.24 \| good	45.281 \| good	17.125 \| good	0.363 \| good	6.061 \| good	0.185 \| good
2026-03-10T09:00:00.000Z	54 \| moderate	10.59 \| good	46.884 \| good	15.342 \| good	0.325 \| good	4.729 \| good	0.173 \| good
2026-03-10T10:00:00.000Z	54 \| moderate	11.018 \| good	48.916 \| good	10.599 \| good	0.332 \| good	4.31 \| good	0.167 \| good
2026-03-10T11:00:00.000Z	44 \| good	7.764 \| good	34.035 \| good	20.242 \| good	0.339 \| good	3.891 \| good	0.162 \| good
2026-03-10T12:00:00.000Z	23 \| good	4.435 \| good	19.433 \| good	25.238 \| good	0.347 \| good	3.472 \| good	0.157 \| good
2026-03-10T13:00:00.000Z	33 \| good	6.022 \| good	26.876 \| good	21.724 \| good	0.398 \| good	3.874 \| good	0.169 \| good
2026-03-10T14:00:00.000Z	49 \| good	8.819 \| good	38.869 \| good	21.688 \| good	0.449 \| good	4.276 \| good	0.181 \| good
2026-03-10T15:00:00.000Z	54 \| moderate	10.984 \| good	48.513 \| good	16.513 \| good	0.5 \| good	4.677 \| good	0.194 \| good
2026-03-10T16:00:00.000Z	44 \| good	7.538 \| good	33.086 \| good	20.281 \| good	0.512 \| good	3.887 \| good	0.184 \| good
2026-03-10T17:00:00.000Z	44 \| good	8.488 \| good	37.138 \| good	25.236 \| good	0.524 \| good	3.096 \| good	0.175 \| good
2026-03-10T18:00:00.000Z	56 \| moderate	11.745 \| good	51.896 \| good	27.881 \| good	0.536 \| good	2.306 \| good	0.165 \| good
2026-03-10T19:00:00.000Z	49 \| good	8.795 \| good	38.722 \| good	31.807 \| good	0.513 \| good	2.119 \| good	0.163 \| good
2026-03-10T20:00:00.000Z	49 \| good	9.327 \| good	41.456 \| good	33.075 \| good	0.491 \| good	1.932 \| good	0.16 \| good
2026-03-10T21:00:00.000Z	52 \| moderate	9.856 \| good	43.867 \| good	34.462 \| good	0.469 \| good	1.746 \| good	0.158 \| good
2026-03-10T22:00:00.000Z	49 \| good	8.622 \| good	37.667 \| good	30.594 \| good	0.493 \| good	2.963 \| good	0.168 \| good
2026-03-10T23:00:00.000Z	27 \| good	5.072 \| good	21.737 \| good	27.967 \| good	0.518 \| good	4.18 \| good	0.179 \| good
2026-03-11T00:00:00.000Z	38 \| good	7.345 \| good	32.527 \| good	33.244 \| good	0.543 \| good	5.397 \| good	0.189 \| good
2026-03-11T01:00:00.000Z	31 \| good	5.013 \| good	21.879 \| good	34.245 \| good	0.53 \| good	4.783 \| good	0.184 \| good
2026-03-11T02:00:00.000Z	27 \| good	5.306 \| good	22.773 \| good	27.905 \| good	0.517 \| good	4.168 \| good	0.179 \| good
2026-03-11T03:00:00.000Z	33 \| good	5.85 \| good	25.713 \| good	26.505 \| good	0.503 \| good	3.554 \| good	0.174 \| good
2026-03-11T04:00:00.000Z	44 \| good	8.279 \| good	36.398 \| good	21.158 \| good	0.523 \| good	3.346 \| good	0.171 \| good
2026-03-11T05:00:00.000Z	49 \| good	9.12 \| good	40.738 \| good	21.079 \| good	0.542 \| good	3.138 \| good	0.168 \| good
2026-03-11T06:00:00.000Z	27 \| good	3.816 \| good	3.858 \| good	28.786 \| good	0.564 \| good	2.947 \| good	0.165 \| good
2026-03-11T07:00:00.000Z	49 \| good	9.298 \| good	41.467 \| good	20.102 \| good	0.557 \| good	2.722 \| good	0.164 \| good
2026-03-11T08:00:00.000Z	49 \| good	9.237 \| good	41.41 \| good	19.104 \| good	0.554 \| good	2.515 \| good	0.163 \| good
2026-03-11T09:00:00.000Z	44 \| good	8.076 \| good	35.41 \| good	18.984 \| good	0.55 \| good	2.307 \| good	0.162 \| good
2026-03-11T10:00:00.000Z	33 \| good	6.125 \| good	27.518 \| good	22.53 \| good	0.493 \| good	2.233 \| good	0.162 \| good
2026-03-11T11:00:00.000Z	38 \| good	7.19 \| good	31.914 \| good	21.911 \| good	0.436 \| good	2.159 \| good	0.161 \| good
2026-03-11T12:00:00.000Z	44 \| good	7.968 \| good	8.195 \| good	28.172 \| good	0.382 \| good	2.093 \| good	0.161 \| good
2026-03-11T13:00:00.000Z	38 \| good	6.54 \| good	6.724 \| good	28.614 \| good	0.369 \| good	2.139 \| good	0.162 \| good
2026-03-11T14:00:00.000Z	27 \| good	3.647 \| good	3.716 \| good	29.056 \| good	0.357 \| good	2.185 \| good	0.164 \| good
2026-03-11T15:00:00.000Z	27 \| good	1.667 \| good	1.71 \| good	29.498 \| good	0.345 \| good	2.231 \| good	0.165 \| good
2026-03-11T16:00:00.000Z	31 \| good	1.608 \| good	1.732 \| good	33.457 \| good	0.311 \| good	1.884 \| good	0.157 \| good
2026-03-11T17:00:00.000Z	38 \| good	7.16 \| good	31.679 \| good	28.827 \| good	0.275 \| good	1.516 \| good	0.148 \| good
2026-03-11T18:00:00.000Z	38 \| good	1.542 \| good	1.971 \| good	41.377 \| good	0.244 \| good	1.19 \| good	0.14 \| good
2026-03-11T19:00:00.000Z	40 \| good	1.731 \| good	2.426 \| good	42.995 \| good	0.246 \| good	1.002 \| good	0.138 \| good
2026-03-11T20:00:00.000Z	42 \| good	1.957 \| good	2.737 \| good	44.614 \| good	0.247 \| good	0.815 \| good	0.136 \| good

Johnston

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Johnston, Iowa air quality map: Stay updated on AQI near you

0.25ppm

How accurate is Iowa, USA air quality data?

Air quality and pollutant data for Iowa, 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

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Frequently asked questions

How often is air quality information updated for Johnston, Iowa?

The air quality information for Johnston, Iowa is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Johnston, Iowa at its worst?

In the past 24 hours, the air quality in Johnston, Iowa was at its worst at 07:00:00 on 2026-03-09.

When did Johnston, Iowa experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Johnston, Iowa was observed at 03:00:00 on 2026-03-09.

What is the AQI in Johnston, Iowa right now?

As of now, the AQI in Johnston, Iowa is 49, indicating Good conditions.

What is the most common type of pollution in Johnston, Iowa?

Johnston, Iowa air has the highest levels of PM2.5.

What should I do in case of poor air quality in Johnston, Iowa?

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

What is the PM_2.5 level in Johnston, Iowa at the moment?

PM_2.5 levels in Johnston, Iowa are currently 8.836 μg/m³.

What is the PM₁₀ level in Johnston, Iowa at the moment?

The PM₁₀ concentration in Johnston, Iowa is 39.547 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Johnston, Iowa at the moment?

The current carbon monoxide (CO) concentration in Johnston, Iowa is 0.256 ppm.

What is the sulfur dioxide (SO₂) level in Johnston, Iowa at the moment?

Currently, Johnston, Iowa has a sulfur dioxide (SO₂) concentration of 3.975 ppb.

What is the ozone (O₃) level in Johnston, Iowa at the moment?

The current ozone (O₃) level in Johnston, Iowa at the moment is 40.864 ppm.

What is the nitrogen dioxide (NO₂) level in Johnston, Iowa at the moment?

Nitrogen dioxide (NO₂) level in Johnston, Iowa at the moment is 4.77 ppb.

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