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

The PM10 concentration in Johnston, Iowa is 13.555 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 0.438 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 19.613 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 5.359 ppb.

Live air quality index in Johnston, Iowa today

Name: Live air pollution levels in Johnston, Iowa today
Creator: Ambee

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)

2.92 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

13.55 μg/m³

155

255

425

605+

Ozone (O₃)

19.61 ppb

201

201+

Sulfur Dioxide (SO₂)

0.44 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.36 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.17 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Johnston, Iowa

Get Live Pollen Counts

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
2025-10-20T10:00:00.000Z	22 \| good	3.13 \| good	13.869 \| good	24.067 \| good	0.686 \| good	2.168 \| good	0.162 \| good
2025-10-20T11:00:00.000Z	22 \| good	3.74 \| good	16.88 \| good	22.2 \| good	0.707 \| good	2.426 \| good	0.195 \| good
2025-10-20T12:00:00.000Z	23 \| good	2.611 \| good	11.293 \| good	25.45 \| good	0.745 \| good	3.544 \| good	0.198 \| good
2025-10-20T13:00:00.000Z	23 \| good	2.587 \| good	11.086 \| good	25.454 \| good	0.879 \| good	4.012 \| good	0.223 \| good
2025-10-20T14:00:00.000Z	25 \| good	2.467 \| good	10.647 \| good	27.096 \| good	1.14 \| good	3.349 \| good	0.173 \| good
2025-10-20T15:00:00.000Z	33 \| good	5.604 \| good	24.356 \| good	30.57 \| good	1.24 \| good	3.217 \| good	0.173 \| good
2025-10-20T16:00:00.000Z	33 \| good	6.468 \| good	28.933 \| good	30.728 \| good	1.236 \| good	3.39 \| good	0.193 \| good
2025-10-20T17:00:00.000Z	33 \| good	6.151 \| good	27.195 \| good	33.415 \| good	1.838 \| good	3.07 \| good	0.179 \| good
2025-10-20T18:00:00.000Z	38 \| good	7.449 \| good	32.577 \| good	33.864 \| good	2.51 \| good	3.171 \| good	0.16 \| good
2025-10-20T19:00:00.000Z	49 \| good	9.128 \| good	37.468 \| good	37.013 \| good	2.453 \| good	3.34 \| good	0.247 \| good
2025-10-20T20:00:00.000Z	33 \| good	4.668 \| good	20.873 \| good	36.253 \| good	2.427 \| good	3.939 \| good	0.247 \| good
2025-10-20T21:00:00.000Z	31 \| good	4.807 \| good	22.137 \| good	33.66 \| good	2.57 \| good	4.084 \| good	0.229 \| good
2025-10-20T22:00:00.000Z	30 \| good	4.772 \| good	21.48 \| good	32.005 \| good	1.806 \| good	2.748 \| good	0.198 \| good
2025-10-20T23:00:00.000Z	32 \| good	4.262 \| good	19.529 \| good	34.797 \| good	2.438 \| good	4.781 \| good	0.18 \| good
2025-10-21T00:00:00.000Z	27 \| good	3.68 \| good	16.272 \| good	28.688 \| good	3.803 \| good	4.38 \| good	0.191 \| good
2025-10-21T01:00:00.000Z	26 \| good	3.938 \| good	17.894 \| good	27.887 \| good	0.664 \| good	4.421 \| good	0.18 \| good
2025-10-21T02:00:00.000Z	28 \| good	3.873 \| good	17.737 \| good	29.609 \| good	0.499 \| good	5.994 \| good	0.18 \| good
2025-10-21T03:00:00.000Z	18 \| good	1.188 \| good	5 \| good	18.712 \| good	0.676 \| good	2.487 \| good	0.121 \| good
2025-10-21T04:00:00.000Z	27 \| good	5.121 \| good	22.308 \| good	26.512 \| good	0.703 \| good	6.432 \| good	0.177 \| good
2025-10-21T05:00:00.000Z	33 \| good	5.895 \| good	26.305 \| good	25.967 \| good	0.739 \| good	6.555 \| good	0.154 \| good
2025-10-21T06:00:00.000Z	27 \| good	5.238 \| good	22.826 \| good	27.932 \| good	0.875 \| good	5.454 \| good	0.154 \| good
2025-10-21T07:00:00.000Z	27 \| good	5.228 \| good	23.528 \| good	27.213 \| good	1.053 \| good	5.361 \| good	0.176 \| good
2025-10-21T08:00:00.000Z	26 \| good	3.823 \| good	17.348 \| good	27.942 \| good	0.401 \| good	6.403 \| good	0.137 \| good
2025-10-21T09:00:00.000Z	24 \| good	3.755 \| good	16.304 \| good	25.59 \| good	0.446 \| good	3.185 \| good	0.153 \| good
2025-10-21T10:00:00.000Z	24 \| good	2.87 \| good	13.233 \| good	25.605 \| good	0.685 \| good	6.767 \| good	0.137 \| good
2025-10-21T11:00:00.000Z	26 \| good	3.261 \| good	14.899 \| good	27.797 \| good	0.631 \| good	4.351 \| good	0.14 \| good
2025-10-21T12:00:00.000Z	25 \| good	1.119 \| good	5.49 \| good	26.724 \| good	0.63 \| good	3.393 \| good	0.142 \| good
2025-10-21T13:00:00.000Z	25 \| good	1.164 \| good	5.443 \| good	26.895 \| good	0.8 \| good	3.382 \| good	0.203 \| good
2025-10-21T14:00:00.000Z	25 \| good	2.528 \| good	11.535 \| good	27.101 \| good	0.651 \| good	5.408 \| good	0.163 \| good
2025-10-21T15:00:00.000Z	26 \| good	3.403 \| good	15.218 \| good	27.935 \| good	0.525 \| good	2.163 \| good	0.162 \| good
2025-10-21T16:00:00.000Z	23 \| good	2.781 \| good	12.353 \| good	24.93 \| good	4.737 \| good	1.918 \| good	0.146 \| good
2025-10-21T17:00:00.000Z	25 \| good	3.358 \| good	14.703 \| good	26.811 \| good	3.433 \| good	1.642 \| good	0.142 \| good
2025-10-21T18:00:00.000Z	24 \| good	2.917 \| good	13.024 \| good	26.46 \| good	3.348 \| good	1.707 \| good	0.123 \| good
2025-10-21T19:00:00.000Z	24 \| good	3.315 \| good	15.709 \| good	25.703 \| good	3.022 \| good	1.668 \| good	0.146 \| good
2025-10-21T20:00:00.000Z	22 \| good	2.649 \| good	11.622 \| good	24.433 \| good	0.504 \| good	1.862 \| good	0.12 \| good
2025-10-21T21:00:00.000Z	22 \| good	2.493 \| good	10.465 \| good	24.048 \| good	1.744 \| good	2.362 \| good	0.123 \| good
2025-10-21T22:00:00.000Z	23 \| good	4.442 \| good	19.978 \| good	24.518 \| good	3.733 \| good	2.073 \| good	0.12 \| good
2025-10-21T23:00:00.000Z	22 \| good	4.481 \| good	20.487 \| good	22.709 \| good	2.131 \| good	2.31 \| good	0.142 \| good
2025-10-22T00:00:00.000Z	22 \| good	2.928 \| good	12.406 \| good	23.612 \| good	0.406 \| good	3.479 \| good	0.142 \| good
2025-10-22T01:00:00.000Z	22 \| good	3.703 \| good	16.612 \| good	23.738 \| good	0.386 \| good	4.764 \| good	0.187 \| good
2025-10-22T02:00:00.000Z	22 \| good	3.88 \| good	17.35 \| good	24.444 \| good	0.406 \| good	3.147 \| good	0.203 \| good
2025-10-22T03:00:00.000Z	12 \| good	0.438 \| good	1.778 \| good	13.235 \| good	0.309 \| good	1.991 \| good	0.112 \| good
2025-10-22T04:00:00.000Z	21 \| good	3.112 \| good	14.157 \| good	23.111 \| good	0.936 \| good	1.982 \| good	0.223 \| good
2025-10-22T05:00:00.000Z	19 \| good	3.278 \| good	14.589 \| good	20.692 \| good	0.937 \| good	1.356 \| good	0.261 \| good
2025-10-22T06:00:00.000Z	22 \| good	3.664 \| good	17.048 \| good	19.948 \| good	0.772 \| good	1.197 \| good	0.197 \| good
2025-10-22T07:00:00.000Z	22 \| good	3.69 \| good	16.271 \| good	19.929 \| good	0.929 \| good	3.244 \| good	0.239 \| good
2025-10-22T08:00:00.000Z	19 \| good	2.923 \| good	13.555 \| good	19.613 \| good	0.438 \| good	5.359 \| good	0.175 \| good
2025-10-22T09:00:00.000Z	19 \| good	1.835 \| good	8.602 \| good	20.667 \| good	0.555 \| good	4.252 \| good	0.122 \| good
2025-10-22T09:00:00.000Z	19 \| good	2.923 \| good	13.555 \| good	19.613 \| good	0.438 \| good	5.359 \| good	0.175 \| good
2025-10-22T10:00:00.000Z	15 \| good	1.181 \| good	4.433 \| good	16.425 \| good	0.349 \| good	2.167 \| good	0.121 \| good
2025-10-22T11:00:00.000Z	19 \| good	2.071 \| good	8.408 \| good	19.592 \| good	0.352 \| good	2.359 \| good	0.123 \| good
2025-10-22T12:00:00.000Z	15 \| good	2.283 \| good	9.54 \| good	15.725 \| good	0.354 \| good	2.551 \| good	0.125 \| good
2025-10-22T13:00:00.000Z	12 \| good	0.946 \| good	3.967 \| good	13.107 \| good	0.363 \| good	2.571 \| good	0.13 \| good
2025-10-22T14:00:00.000Z	38 \| good	7.014 \| good	30.884 \| good	12.456 \| good	0.371 \| good	2.592 \| good	0.134 \| good
2025-10-22T15:00:00.000Z	16 \| good	3.105 \| good	13.215 \| good	15.607 \| good	0.38 \| good	2.612 \| good	0.138 \| good
2025-10-22T16:00:00.000Z	17 \| good	2.537 \| good	10.303 \| good	17.573 \| good	0.367 \| good	2.122 \| good	0.134 \| good
2025-10-22T17:00:00.000Z	27 \| good	5.013 \| good	21.679 \| good	19.44 \| good	0.355 \| good	1.632 \| good	0.13 \| good
2025-10-22T18:00:00.000Z	21 \| good	2.319 \| good	9.408 \| good	22.968 \| good	0.343 \| good	1.142 \| good	0.126 \| good
2025-10-22T19:00:00.000Z	25 \| good	2.325 \| good	9.469 \| good	27.396 \| good	0.402 \| good	1.056 \| good	0.125 \| good
2025-10-22T20:00:00.000Z	26 \| good	0.564 \| good	2.007 \| good	28.364 \| good	0.461 \| good	0.969 \| good	0.125 \| good
2025-10-22T21:00:00.000Z	26 \| good	0.287 \| good	0.86 \| good	28.052 \| good	0.52 \| good	0.882 \| good	0.124 \| good
2025-10-22T22:00:00.000Z	29 \| good	0.231 \| good	0.539 \| good	30.642 \| good	0.547 \| good	2.252 \| good	0.134 \| good
2025-10-22T23:00:00.000Z	24 \| good	1.384 \| good	5.483 \| good	25.915 \| good	0.574 \| good	3.622 \| good	0.144 \| good
2025-10-23T00:00:00.000Z	15 \| good	1.126 \| good	4.846 \| good	16.293 \| good	0.601 \| good	4.992 \| good	0.154 \| good
2025-10-23T01:00:00.000Z	22 \| good	4.019 \| good	17.448 \| good	18.181 \| good	0.614 \| good	5.856 \| good	0.159 \| good
2025-10-23T02:00:00.000Z	22 \| good	3.873 \| good	16.92 \| good	21.799 \| good	0.627 \| good	6.72 \| good	0.165 \| good
2025-10-23T03:00:00.000Z	19 \| good	2.988 \| good	12.763 \| good	19.677 \| good	0.639 \| good	7.584 \| good	0.171 \| good
2025-10-23T04:00:00.000Z	18 \| good	3.431 \| good	14.79 \| good	19.282 \| good	0.613 \| good	7.695 \| good	0.172 \| good
2025-10-23T05:00:00.000Z	22 \| good	4.076 \| good	17.701 \| good	19.124 \| good	0.586 \| good	7.806 \| good	0.173 \| good
2025-10-23T06:00:00.000Z	27 \| good	5.495 \| good	23.883 \| good	16.78 \| good	0.559 \| good	7.916 \| good	0.174 \| good
2025-10-23T07:00:00.000Z	33 \| good	5.913 \| good	25.736 \| good	15.66 \| good	0.527 \| good	7.471 \| good	0.171 \| good
2025-10-23T08:00:00.000Z	22 \| good	3.7 \| good	16.356 \| good	14.165 \| good	0.495 \| good	7.025 \| good	0.167 \| good
2025-10-23T09:00:00.000Z	16 \| good	2.865 \| good	11.509 \| good	12.724 \| good	0.463 \| good	6.58 \| good	0.163 \| good
2025-10-23T10:00:00.000Z	16 \| good	3.49 \| good	15.171 \| good	9.65 \| good	0.457 \| good	6.874 \| good	0.165 \| good
2025-10-23T11:00:00.000Z	22 \| good	3.864 \| good	16.927 \| good	7.963 \| good	0.451 \| good	7.168 \| good	0.166 \| good
2025-10-23T12:00:00.000Z	11 \| good	1.957 \| good	7.936 \| good	6.42 \| good	0.446 \| good	7.463 \| good	0.167 \| good
2025-10-23T13:00:00.000Z	16 \| good	3.114 \| good	13.205 \| good	5.778 \| good	0.472 \| good	6.944 \| good	0.176 \| good
2025-10-23T14:00:00.000Z	33 \| good	6.085 \| good	26.413 \| good	14.419 \| good	0.499 \| good	6.425 \| good	0.186 \| good
2025-10-23T15:00:00.000Z	33 \| good	5.527 \| good	23.635 \| good	17.015 \| good	0.525 \| good	5.906 \| good	0.195 \| good
2025-10-23T16:00:00.000Z	33 \| good	5.879 \| good	25.623 \| good	24.055 \| good	0.452 \| good	4.287 \| good	0.173 \| good
2025-10-23T17:00:00.000Z	27 \| good	5.187 \| good	22.303 \| good	25.214 \| good	0.378 \| good	2.667 \| good	0.151 \| good
2025-10-23T18:00:00.000Z	30 \| good	3.554 \| good	15.433 \| good	31.632 \| good	0.304 \| good	1.047 \| good	0.129 \| good
2025-10-23T19:00:00.000Z	31 \| good	1.309 \| good	5.398 \| good	34.489 \| good	0.305 \| good	1.019 \| good	0.128 \| good
2025-10-23T20:00:00.000Z	31 \| good	0.385 \| good	1.444 \| good	32.696 \| good	0.306 \| good	0.991 \| good	0.128 \| good
2025-10-23T21:00:00.000Z	27 \| good	1.248 \| good	4.967 \| good	29.332 \| good	0.308 \| good	0.963 \| good	0.127 \| good
2025-10-23T22:00:00.000Z	24 \| good	0.872 \| good	3.364 \| good	25.634 \| good	0.346 \| good	4.453 \| good	0.154 \| good
2025-10-23T23:00:00.000Z	22 \| good	4.092 \| good	17.698 \| good	17.131 \| good	0.384 \| good	7.943 \| good	0.18 \| good
2025-10-24T00:00:00.000Z	11 \| good	1.806 \| good	7.288 \| good	10.587 \| good	0.422 \| good	11.432 \| good	0.207 \| good
2025-10-24T01:00:00.000Z	49 \| good	8.633 \| good	38.139 \| good	9.55 \| good	0.501 \| good	14.745 \| good	0.232 \| good
2025-10-24T02:00:00.000Z	52 \| moderate	9.782 \| good	43.327 \| good	9.14 \| good	0.58 \| good	18.058 \| good	0.257 \| good
2025-10-24T03:00:00.000Z	38 \| good	7.367 \| good	32.37 \| good	7.566 \| good	0.658 \| good	21.371 \| good	0.283 \| good
2025-10-24T04:00:00.000Z	44 \| good	7.57 \| good	33.35 \| good	6.661 \| good	0.632 \| good	20.985 \| good	0.282 \| good
2025-10-24T05:00:00.000Z	38 \| good	6.567 \| good	29.434 \| good	6.522 \| good	0.605 \| good	20.599 \| good	0.281 \| good
2025-10-24T06:00:00.000Z	58 \| moderate	13.35 \| fine	13.45 \| good	6.162 \| good	0.586 \| good	20.54 \| good	0.282 \| good
2025-10-24T07:00:00.000Z	22 \| good	4.423 \| good	19.324 \| good	9.665 \| good	0.518 \| good	17.897 \| good	0.26 \| good
2025-10-24T08:00:00.000Z	44 \| good	8.115 \| good	35.567 \| good	11.407 \| good	0.459 \| good	15.582 \| good	0.24 \| good
2025-10-24T09:00:00.000Z	27 \| good	5.44 \| good	23.445 \| good	13.291 \| good	0.399 \| good	13.266 \| good	0.219 \| good

Johnston

Get reliable air quality data to drive your business

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

0.17ppm

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

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 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 03:00:00 on 2025-10-21.

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 2025-10-22.

What is the AQI in Johnston, Iowa right now?

As of now, the AQI in Johnston, Iowa is 19, indicating Good conditions.

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

Johnston, Iowa air has the highest levels of O3.

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 2.923 μg/m³.

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

The PM₁₀ concentration in Johnston, Iowa is 13.555 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 0.175 ppm.

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

Currently, Johnston, Iowa has a sulfur dioxide (SO₂) concentration of 0.438 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 19.613 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 5.359 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-20T10:00:00.000Z	22 \| good	3.13 \| good	13.869 \| good	24.067 \| good	0.686 \| good	2.168 \| good	0.162 \| good
2025-10-20T11:00:00.000Z	22 \| good	3.74 \| good	16.88 \| good	22.2 \| good	0.707 \| good	2.426 \| good	0.195 \| good
2025-10-20T12:00:00.000Z	23 \| good	2.611 \| good	11.293 \| good	25.45 \| good	0.745 \| good	3.544 \| good	0.198 \| good
2025-10-20T13:00:00.000Z	23 \| good	2.587 \| good	11.086 \| good	25.454 \| good	0.879 \| good	4.012 \| good	0.223 \| good
2025-10-20T14:00:00.000Z	25 \| good	2.467 \| good	10.647 \| good	27.096 \| good	1.14 \| good	3.349 \| good	0.173 \| good
2025-10-20T15:00:00.000Z	33 \| good	5.604 \| good	24.356 \| good	30.57 \| good	1.24 \| good	3.217 \| good	0.173 \| good
2025-10-20T16:00:00.000Z	33 \| good	6.468 \| good	28.933 \| good	30.728 \| good	1.236 \| good	3.39 \| good	0.193 \| good
2025-10-20T17:00:00.000Z	33 \| good	6.151 \| good	27.195 \| good	33.415 \| good	1.838 \| good	3.07 \| good	0.179 \| good
2025-10-20T18:00:00.000Z	38 \| good	7.449 \| good	32.577 \| good	33.864 \| good	2.51 \| good	3.171 \| good	0.16 \| good
2025-10-20T19:00:00.000Z	49 \| good	9.128 \| good	37.468 \| good	37.013 \| good	2.453 \| good	3.34 \| good	0.247 \| good
2025-10-20T20:00:00.000Z	33 \| good	4.668 \| good	20.873 \| good	36.253 \| good	2.427 \| good	3.939 \| good	0.247 \| good
2025-10-20T21:00:00.000Z	31 \| good	4.807 \| good	22.137 \| good	33.66 \| good	2.57 \| good	4.084 \| good	0.229 \| good
2025-10-20T22:00:00.000Z	30 \| good	4.772 \| good	21.48 \| good	32.005 \| good	1.806 \| good	2.748 \| good	0.198 \| good
2025-10-20T23:00:00.000Z	32 \| good	4.262 \| good	19.529 \| good	34.797 \| good	2.438 \| good	4.781 \| good	0.18 \| good
2025-10-21T00:00:00.000Z	27 \| good	3.68 \| good	16.272 \| good	28.688 \| good	3.803 \| good	4.38 \| good	0.191 \| good
2025-10-21T01:00:00.000Z	26 \| good	3.938 \| good	17.894 \| good	27.887 \| good	0.664 \| good	4.421 \| good	0.18 \| good
2025-10-21T02:00:00.000Z	28 \| good	3.873 \| good	17.737 \| good	29.609 \| good	0.499 \| good	5.994 \| good	0.18 \| good
2025-10-21T03:00:00.000Z	18 \| good	1.188 \| good	5 \| good	18.712 \| good	0.676 \| good	2.487 \| good	0.121 \| good
2025-10-21T04:00:00.000Z	27 \| good	5.121 \| good	22.308 \| good	26.512 \| good	0.703 \| good	6.432 \| good	0.177 \| good
2025-10-21T05:00:00.000Z	33 \| good	5.895 \| good	26.305 \| good	25.967 \| good	0.739 \| good	6.555 \| good	0.154 \| good
2025-10-21T06:00:00.000Z	27 \| good	5.238 \| good	22.826 \| good	27.932 \| good	0.875 \| good	5.454 \| good	0.154 \| good
2025-10-21T07:00:00.000Z	27 \| good	5.228 \| good	23.528 \| good	27.213 \| good	1.053 \| good	5.361 \| good	0.176 \| good
2025-10-21T08:00:00.000Z	26 \| good	3.823 \| good	17.348 \| good	27.942 \| good	0.401 \| good	6.403 \| good	0.137 \| good
2025-10-21T09:00:00.000Z	24 \| good	3.755 \| good	16.304 \| good	25.59 \| good	0.446 \| good	3.185 \| good	0.153 \| good
2025-10-21T10:00:00.000Z	24 \| good	2.87 \| good	13.233 \| good	25.605 \| good	0.685 \| good	6.767 \| good	0.137 \| good
2025-10-21T11:00:00.000Z	26 \| good	3.261 \| good	14.899 \| good	27.797 \| good	0.631 \| good	4.351 \| good	0.14 \| good
2025-10-21T12:00:00.000Z	25 \| good	1.119 \| good	5.49 \| good	26.724 \| good	0.63 \| good	3.393 \| good	0.142 \| good
2025-10-21T13:00:00.000Z	25 \| good	1.164 \| good	5.443 \| good	26.895 \| good	0.8 \| good	3.382 \| good	0.203 \| good
2025-10-21T14:00:00.000Z	25 \| good	2.528 \| good	11.535 \| good	27.101 \| good	0.651 \| good	5.408 \| good	0.163 \| good
2025-10-21T15:00:00.000Z	26 \| good	3.403 \| good	15.218 \| good	27.935 \| good	0.525 \| good	2.163 \| good	0.162 \| good
2025-10-21T16:00:00.000Z	23 \| good	2.781 \| good	12.353 \| good	24.93 \| good	4.737 \| good	1.918 \| good	0.146 \| good
2025-10-21T17:00:00.000Z	25 \| good	3.358 \| good	14.703 \| good	26.811 \| good	3.433 \| good	1.642 \| good	0.142 \| good
2025-10-21T18:00:00.000Z	24 \| good	2.917 \| good	13.024 \| good	26.46 \| good	3.348 \| good	1.707 \| good	0.123 \| good
2025-10-21T19:00:00.000Z	24 \| good	3.315 \| good	15.709 \| good	25.703 \| good	3.022 \| good	1.668 \| good	0.146 \| good
2025-10-21T20:00:00.000Z	22 \| good	2.649 \| good	11.622 \| good	24.433 \| good	0.504 \| good	1.862 \| good	0.12 \| good
2025-10-21T21:00:00.000Z	22 \| good	2.493 \| good	10.465 \| good	24.048 \| good	1.744 \| good	2.362 \| good	0.123 \| good
2025-10-21T22:00:00.000Z	23 \| good	4.442 \| good	19.978 \| good	24.518 \| good	3.733 \| good	2.073 \| good	0.12 \| good
2025-10-21T23:00:00.000Z	22 \| good	4.481 \| good	20.487 \| good	22.709 \| good	2.131 \| good	2.31 \| good	0.142 \| good
2025-10-22T00:00:00.000Z	22 \| good	2.928 \| good	12.406 \| good	23.612 \| good	0.406 \| good	3.479 \| good	0.142 \| good
2025-10-22T01:00:00.000Z	22 \| good	3.703 \| good	16.612 \| good	23.738 \| good	0.386 \| good	4.764 \| good	0.187 \| good
2025-10-22T02:00:00.000Z	22 \| good	3.88 \| good	17.35 \| good	24.444 \| good	0.406 \| good	3.147 \| good	0.203 \| good
2025-10-22T03:00:00.000Z	12 \| good	0.438 \| good	1.778 \| good	13.235 \| good	0.309 \| good	1.991 \| good	0.112 \| good
2025-10-22T04:00:00.000Z	21 \| good	3.112 \| good	14.157 \| good	23.111 \| good	0.936 \| good	1.982 \| good	0.223 \| good
2025-10-22T05:00:00.000Z	19 \| good	3.278 \| good	14.589 \| good	20.692 \| good	0.937 \| good	1.356 \| good	0.261 \| good
2025-10-22T06:00:00.000Z	22 \| good	3.664 \| good	17.048 \| good	19.948 \| good	0.772 \| good	1.197 \| good	0.197 \| good
2025-10-22T07:00:00.000Z	22 \| good	3.69 \| good	16.271 \| good	19.929 \| good	0.929 \| good	3.244 \| good	0.239 \| good
2025-10-22T08:00:00.000Z	19 \| good	2.923 \| good	13.555 \| good	19.613 \| good	0.438 \| good	5.359 \| good	0.175 \| good
2025-10-22T09:00:00.000Z	19 \| good	1.835 \| good	8.602 \| good	20.667 \| good	0.555 \| good	4.252 \| good	0.122 \| good
2025-10-22T09:00:00.000Z	19 \| good	2.923 \| good	13.555 \| good	19.613 \| good	0.438 \| good	5.359 \| good	0.175 \| good
2025-10-22T10:00:00.000Z	15 \| good	1.181 \| good	4.433 \| good	16.425 \| good	0.349 \| good	2.167 \| good	0.121 \| good
2025-10-22T11:00:00.000Z	19 \| good	2.071 \| good	8.408 \| good	19.592 \| good	0.352 \| good	2.359 \| good	0.123 \| good
2025-10-22T12:00:00.000Z	15 \| good	2.283 \| good	9.54 \| good	15.725 \| good	0.354 \| good	2.551 \| good	0.125 \| good
2025-10-22T13:00:00.000Z	12 \| good	0.946 \| good	3.967 \| good	13.107 \| good	0.363 \| good	2.571 \| good	0.13 \| good
2025-10-22T14:00:00.000Z	38 \| good	7.014 \| good	30.884 \| good	12.456 \| good	0.371 \| good	2.592 \| good	0.134 \| good
2025-10-22T15:00:00.000Z	16 \| good	3.105 \| good	13.215 \| good	15.607 \| good	0.38 \| good	2.612 \| good	0.138 \| good
2025-10-22T16:00:00.000Z	17 \| good	2.537 \| good	10.303 \| good	17.573 \| good	0.367 \| good	2.122 \| good	0.134 \| good
2025-10-22T17:00:00.000Z	27 \| good	5.013 \| good	21.679 \| good	19.44 \| good	0.355 \| good	1.632 \| good	0.13 \| good
2025-10-22T18:00:00.000Z	21 \| good	2.319 \| good	9.408 \| good	22.968 \| good	0.343 \| good	1.142 \| good	0.126 \| good
2025-10-22T19:00:00.000Z	25 \| good	2.325 \| good	9.469 \| good	27.396 \| good	0.402 \| good	1.056 \| good	0.125 \| good
2025-10-22T20:00:00.000Z	26 \| good	0.564 \| good	2.007 \| good	28.364 \| good	0.461 \| good	0.969 \| good	0.125 \| good
2025-10-22T21:00:00.000Z	26 \| good	0.287 \| good	0.86 \| good	28.052 \| good	0.52 \| good	0.882 \| good	0.124 \| good
2025-10-22T22:00:00.000Z	29 \| good	0.231 \| good	0.539 \| good	30.642 \| good	0.547 \| good	2.252 \| good	0.134 \| good
2025-10-22T23:00:00.000Z	24 \| good	1.384 \| good	5.483 \| good	25.915 \| good	0.574 \| good	3.622 \| good	0.144 \| good
2025-10-23T00:00:00.000Z	15 \| good	1.126 \| good	4.846 \| good	16.293 \| good	0.601 \| good	4.992 \| good	0.154 \| good
2025-10-23T01:00:00.000Z	22 \| good	4.019 \| good	17.448 \| good	18.181 \| good	0.614 \| good	5.856 \| good	0.159 \| good
2025-10-23T02:00:00.000Z	22 \| good	3.873 \| good	16.92 \| good	21.799 \| good	0.627 \| good	6.72 \| good	0.165 \| good
2025-10-23T03:00:00.000Z	19 \| good	2.988 \| good	12.763 \| good	19.677 \| good	0.639 \| good	7.584 \| good	0.171 \| good
2025-10-23T04:00:00.000Z	18 \| good	3.431 \| good	14.79 \| good	19.282 \| good	0.613 \| good	7.695 \| good	0.172 \| good
2025-10-23T05:00:00.000Z	22 \| good	4.076 \| good	17.701 \| good	19.124 \| good	0.586 \| good	7.806 \| good	0.173 \| good
2025-10-23T06:00:00.000Z	27 \| good	5.495 \| good	23.883 \| good	16.78 \| good	0.559 \| good	7.916 \| good	0.174 \| good
2025-10-23T07:00:00.000Z	33 \| good	5.913 \| good	25.736 \| good	15.66 \| good	0.527 \| good	7.471 \| good	0.171 \| good
2025-10-23T08:00:00.000Z	22 \| good	3.7 \| good	16.356 \| good	14.165 \| good	0.495 \| good	7.025 \| good	0.167 \| good
2025-10-23T09:00:00.000Z	16 \| good	2.865 \| good	11.509 \| good	12.724 \| good	0.463 \| good	6.58 \| good	0.163 \| good
2025-10-23T10:00:00.000Z	16 \| good	3.49 \| good	15.171 \| good	9.65 \| good	0.457 \| good	6.874 \| good	0.165 \| good
2025-10-23T11:00:00.000Z	22 \| good	3.864 \| good	16.927 \| good	7.963 \| good	0.451 \| good	7.168 \| good	0.166 \| good
2025-10-23T12:00:00.000Z	11 \| good	1.957 \| good	7.936 \| good	6.42 \| good	0.446 \| good	7.463 \| good	0.167 \| good
2025-10-23T13:00:00.000Z	16 \| good	3.114 \| good	13.205 \| good	5.778 \| good	0.472 \| good	6.944 \| good	0.176 \| good
2025-10-23T14:00:00.000Z	33 \| good	6.085 \| good	26.413 \| good	14.419 \| good	0.499 \| good	6.425 \| good	0.186 \| good
2025-10-23T15:00:00.000Z	33 \| good	5.527 \| good	23.635 \| good	17.015 \| good	0.525 \| good	5.906 \| good	0.195 \| good
2025-10-23T16:00:00.000Z	33 \| good	5.879 \| good	25.623 \| good	24.055 \| good	0.452 \| good	4.287 \| good	0.173 \| good
2025-10-23T17:00:00.000Z	27 \| good	5.187 \| good	22.303 \| good	25.214 \| good	0.378 \| good	2.667 \| good	0.151 \| good
2025-10-23T18:00:00.000Z	30 \| good	3.554 \| good	15.433 \| good	31.632 \| good	0.304 \| good	1.047 \| good	0.129 \| good
2025-10-23T19:00:00.000Z	31 \| good	1.309 \| good	5.398 \| good	34.489 \| good	0.305 \| good	1.019 \| good	0.128 \| good
2025-10-23T20:00:00.000Z	31 \| good	0.385 \| good	1.444 \| good	32.696 \| good	0.306 \| good	0.991 \| good	0.128 \| good
2025-10-23T21:00:00.000Z	27 \| good	1.248 \| good	4.967 \| good	29.332 \| good	0.308 \| good	0.963 \| good	0.127 \| good
2025-10-23T22:00:00.000Z	24 \| good	0.872 \| good	3.364 \| good	25.634 \| good	0.346 \| good	4.453 \| good	0.154 \| good
2025-10-23T23:00:00.000Z	22 \| good	4.092 \| good	17.698 \| good	17.131 \| good	0.384 \| good	7.943 \| good	0.18 \| good
2025-10-24T00:00:00.000Z	11 \| good	1.806 \| good	7.288 \| good	10.587 \| good	0.422 \| good	11.432 \| good	0.207 \| good
2025-10-24T01:00:00.000Z	49 \| good	8.633 \| good	38.139 \| good	9.55 \| good	0.501 \| good	14.745 \| good	0.232 \| good
2025-10-24T02:00:00.000Z	52 \| moderate	9.782 \| good	43.327 \| good	9.14 \| good	0.58 \| good	18.058 \| good	0.257 \| good
2025-10-24T03:00:00.000Z	38 \| good	7.367 \| good	32.37 \| good	7.566 \| good	0.658 \| good	21.371 \| good	0.283 \| good
2025-10-24T04:00:00.000Z	44 \| good	7.57 \| good	33.35 \| good	6.661 \| good	0.632 \| good	20.985 \| good	0.282 \| good
2025-10-24T05:00:00.000Z	38 \| good	6.567 \| good	29.434 \| good	6.522 \| good	0.605 \| good	20.599 \| good	0.281 \| good
2025-10-24T06:00:00.000Z	58 \| moderate	13.35 \| fine	13.45 \| good	6.162 \| good	0.586 \| good	20.54 \| good	0.282 \| good
2025-10-24T07:00:00.000Z	22 \| good	4.423 \| good	19.324 \| good	9.665 \| good	0.518 \| good	17.897 \| good	0.26 \| good
2025-10-24T08:00:00.000Z	44 \| good	8.115 \| good	35.567 \| good	11.407 \| good	0.459 \| good	15.582 \| good	0.24 \| good
2025-10-24T09:00:00.000Z	27 \| good	5.44 \| good	23.445 \| good	13.291 \| good	0.399 \| good	13.266 \| good	0.219 \| good

Live air quality index in Johnston, Iowa today

Major air pollutants in Johnston, Iowa

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Johnston, Iowa air quality forecast and history

Get reliable air quality data to drive your business

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

Air quality in nearby cities

Urbandale, Iowa

Grimes, Iowa

Clive, Iowa

Ankeny, Iowa

Des Moines, Iowa

West Des Moines, Iowa

How accurate is Iowa, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

What is the AQI in Johnston, Iowa right now?

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

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

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

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

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

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

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

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

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

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

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

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