What is the current concentration of PM10 in Chillicothe, Ohio?

The current PM10 concentration at Chillicothe, Ohio is 19.497 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Chillicothe, Ohio?

The current sulfur dioxide (SO2) concentration at Chillicothe, Ohio is 3.724 ppb.

What is the current concentration of ozone (O3) in Chillicothe, Ohio?

The current ozone (O3) concentration at Chillicothe, Ohio is 36.325 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Chillicothe, Ohio?

The current nitrogen dioxide (NO2) concentration at Chillicothe, Ohio is 7.471 ppb.

Chillicothe, Ohio live air quality index now

Q: What is the current concentration of PM2.5 in Chillicothe, Ohio?

The current PM2.5 concentration at Chillicothe, Ohio is 5.266 μg/m3.

Stay updated with real-time air quality in Chillicothe, Ohio 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

Chillicothe, Ohio

Last updated: ... (Local time)

Major air pollutants in Chillicothe, Ohio

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.27 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

19.50 μg/m³

155

255

425

605+

Ozone (O₃)

36.33 ppb

201

201+

Sulfur Dioxide (SO₂)

3.72 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

7.47 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.16 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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Chillicothe, Ohio

Scroll To Air Quality Map

Track live Chillicothe, Ohio air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-07T21:00:00.000Z	31 \| good	5.026 \| good	18.798 \| good	33.222 \| good	2.652 \| good	9.39 \| good	0.149 \| good
2026-03-07T22:00:00.000Z	31 \| good	3.673 \| good	9.607 \| good	33.807 \| good	2.037 \| good	9.287 \| good	0.149 \| good
2026-03-07T23:00:00.000Z	33 \| good	2.721 \| good	7.648 \| good	35.735 \| good	2.061 \| good	7.542 \| good	0.159 \| good
2026-03-08T00:00:00.000Z	32 \| good	2.427 \| good	6.957 \| good	34.809 \| good	2.05 \| good	9.251 \| good	0.159 \| good
2026-03-08T01:00:00.000Z	31 \| good	2.688 \| good	8.795 \| good	33.741 \| good	2.864 \| good	10.196 \| good	0.159 \| good
2026-03-08T02:00:00.000Z	31 \| good	2.46 \| good	7.843 \| good	33.349 \| good	6.072 \| good	9.388 \| good	0.16 \| good
2026-03-08T03:00:00.000Z	30 \| good	2.49 \| good	10.094 \| good	31.715 \| good	1.684 \| good	2.454 \| good	0.107 \| good
2026-03-08T04:00:00.000Z	30 \| good	2.696 \| good	8.653 \| good	32.142 \| good	2.927 \| good	8.812 \| good	0.15 \| good
2026-03-08T05:00:00.000Z	29 \| good	2.759 \| good	9.469 \| good	30.519 \| good	1.914 \| good	6.419 \| good	0.151 \| good
2026-03-08T06:00:00.000Z	30 \| good	3.333 \| good	11.851 \| good	31.786 \| good	1.515 \| good	5.178 \| good	0.152 \| good
2026-03-08T07:00:00.000Z	24 \| good	3.32 \| good	12.142 \| good	25.937 \| good	1.496 \| good	4.084 \| good	0.153 \| good
2026-03-08T08:00:00.000Z	22 \| good	3.523 \| good	12.248 \| good	24.21 \| good	1.474 \| good	2.578 \| good	0.146 \| good
2026-03-08T09:00:00.000Z	22 \| good	3.421 \| good	10.817 \| good	24.214 \| good	1.451 \| good	2.791 \| good	0.18 \| good
2026-03-08T10:00:00.000Z	22 \| good	3.991 \| good	12.21 \| good	24.005 \| good	2.166 \| good	2.797 \| good	0.181 \| good
2026-03-08T11:00:00.000Z	23 \| good	3.633 \| good	11.797 \| good	24.745 \| good	1.953 \| good	2.818 \| good	0.194 \| good
2026-03-08T12:00:00.000Z	22 \| good	3.767 \| good	14.569 \| good	23.972 \| good	1.2 \| good	2.647 \| good	0.188 \| good
2026-03-08T13:00:00.000Z	27 \| good	5.093 \| good	17.553 \| good	22.858 \| good	1.334 \| good	2.975 \| good	0.173 \| good
2026-03-08T14:00:00.000Z	22 \| good	4.143 \| good	13.97 \| good	23.636 \| good	1.823 \| good	3.583 \| good	0.173 \| good
2026-03-08T15:00:00.000Z	23 \| good	4.308 \| good	20.707 \| good	24.767 \| good	3.155 \| good	3.306 \| good	0.179 \| good
2026-03-08T16:00:00.000Z	27 \| good	4.675 \| good	14.557 \| good	24.751 \| good	2.541 \| good	2.991 \| good	0.186 \| good
2026-03-08T17:00:00.000Z	27 \| good	4.525 \| good	18.596 \| good	28.85 \| good	1.644 \| good	3.39 \| good	0.172 \| good
2026-03-08T18:00:00.000Z	27 \| good	4.175 \| good	19.914 \| good	28.58 \| good	1.516 \| good	4.105 \| good	0.171 \| good
2026-03-08T19:00:00.000Z	28 \| good	4.174 \| good	16.633 \| good	30.489 \| good	1.788 \| good	4.385 \| good	0.174 \| good
2026-03-08T20:00:00.000Z	30 \| good	3.657 \| good	13.563 \| good	31.703 \| good	1.565 \| good	5.657 \| good	0.21 \| good
2026-03-08T21:00:00.000Z	32 \| good	3.703 \| good	12.133 \| good	35.131 \| good	1.974 \| good	5.036 \| good	0.163 \| good
2026-03-08T22:00:00.000Z	34 \| good	3.379 \| good	13.454 \| good	37.227 \| good	2.354 \| good	4.313 \| good	0.211 \| good
2026-03-08T23:00:00.000Z	34 \| good	3.35 \| good	12.789 \| good	37.005 \| good	1.477 \| good	4.432 \| good	0.212 \| good
2026-03-09T00:00:00.000Z	33 \| good	3.259 \| good	8.951 \| good	35.634 \| good	1.571 \| good	4.421 \| good	0.23 \| good
2026-03-09T01:00:00.000Z	29 \| good	3.337 \| good	12.187 \| good	30.802 \| good	1.684 \| good	4.547 \| good	0.24 \| good
2026-03-09T02:00:00.000Z	30 \| good	4.104 \| good	18.075 \| good	31.845 \| good	1.526 \| good	6.339 \| good	0.257 \| good
2026-03-09T03:00:00.000Z	44 \| good	7.579 \| good	33.444 \| good	23.809 \| good	4.264 \| good	4.028 \| good	0.182 \| good
2026-03-09T04:00:00.000Z	38 \| good	7.135 \| good	35.378 \| good	26.081 \| good	1.445 \| good	7.513 \| good	0.299 \| good
2026-03-09T05:00:00.000Z	38 \| good	6.506 \| good	20.247 \| good	23.463 \| good	1.8 \| good	6.89 \| good	0.325 \| good
2026-03-09T06:00:00.000Z	33 \| good	5.971 \| good	23.638 \| good	20.973 \| good	1.677 \| good	6.638 \| good	0.232 \| good
2026-03-09T07:00:00.000Z	33 \| good	5.562 \| good	35.114 \| good	22.443 \| good	1.593 \| good	9.106 \| good	0.214 \| good
2026-03-09T08:00:00.000Z	24 \| good	4.491 \| good	25.985 \| good	21.201 \| good	1.379 \| good	11.722 \| good	0.214 \| good
2026-03-09T09:00:00.000Z	22 \| good	4.33 \| good	15.989 \| good	22.006 \| good	1.411 \| good	11.939 \| good	0.213 \| good
2026-03-09T10:00:00.000Z	27 \| good	4.524 \| good	13.186 \| good	15.686 \| good	1.411 \| good	12.744 \| good	0.238 \| good
2026-03-09T11:00:00.000Z	27 \| good	4.946 \| good	24.261 \| good	18.281 \| good	1.41 \| good	17 \| good	0.296 \| good
2026-03-09T12:00:00.000Z	27 \| good	5.175 \| good	17.87 \| good	16.459 \| good	1.371 \| good	16.241 \| good	0.342 \| good
2026-03-09T13:00:00.000Z	33 \| good	5.849 \| good	19.637 \| good	16.98 \| good	1.482 \| good	16.667 \| good	0.381 \| good
2026-03-09T14:00:00.000Z	38 \| good	6.897 \| good	30.779 \| good	20.204 \| good	1.548 \| good	14.906 \| good	0.346 \| good
2026-03-09T15:00:00.000Z	38 \| good	7.328 \| good	30.343 \| good	18.921 \| good	1.609 \| good	13.322 \| good	0.248 \| good
2026-03-09T16:00:00.000Z	33 \| good	6.45 \| good	23.893 \| good	21.876 \| good	4.167 \| good	10.038 \| good	0.198 \| good
2026-03-09T17:00:00.000Z	38 \| good	7.064 \| good	29.253 \| good	26.563 \| good	2.277 \| good	7.546 \| good	0.165 \| good
2026-03-09T18:00:00.000Z	33 \| good	6.181 \| good	21.832 \| good	31.239 \| good	3.03 \| good	7.623 \| good	0.164 \| good
2026-03-09T19:00:00.000Z	33 \| good	5.61 \| good	22.574 \| good	34.872 \| good	4.219 \| good	6.801 \| good	0.164 \| good
2026-03-09T20:00:00.000Z	33 \| good	5.266 \| good	19.497 \| good	36.325 \| good	3.724 \| good	7.471 \| good	0.164 \| good
2026-03-09T20:00:00.000Z	33 \| good	5.266 \| good	19.497 \| good	36.325 \| good	3.724 \| good	7.471 \| good	0.164 \| good
2026-03-09T21:00:00.000Z	49 \| good	8.651 \| good	37.877 \| good	42.549 \| good	1.758 \| good	0.669 \| good	0.143 \| good
2026-03-09T22:00:00.000Z	44 \| good	7.868 \| good	34.227 \| good	39.904 \| good	1.733 \| good	1.185 \| good	0.146 \| good
2026-03-09T23:00:00.000Z	38 \| good	6.602 \| good	29.788 \| good	37.961 \| good	1.708 \| good	1.702 \| good	0.149 \| good
2026-03-10T00:00:00.000Z	44 \| good	7.617 \| good	33.317 \| good	30.121 \| good	1.682 \| good	2.219 \| good	0.152 \| good
2026-03-10T01:00:00.000Z	44 \| good	7.739 \| good	34.102 \| good	26.707 \| good	1.624 \| good	2.238 \| good	0.152 \| good
2026-03-10T02:00:00.000Z	44 \| good	7.853 \| good	34.404 \| good	24.421 \| good	1.567 \| good	2.256 \| good	0.152 \| good
2026-03-10T03:00:00.000Z	44 \| good	7.951 \| good	34.701 \| good	21.673 \| good	1.509 \| good	2.275 \| good	0.151 \| good
2026-03-10T04:00:00.000Z	44 \| good	7.781 \| good	34.277 \| good	19.24 \| good	1.333 \| good	2.172 \| good	0.147 \| good
2026-03-10T05:00:00.000Z	38 \| good	7.491 \| good	32.701 \| good	18.3 \| good	1.157 \| good	2.069 \| good	0.143 \| good
2026-03-10T06:00:00.000Z	38 \| good	7.218 \| good	32.131 \| good	18.588 \| good	0.981 \| good	1.965 \| good	0.139 \| good
2026-03-10T07:00:00.000Z	38 \| good	7.445 \| good	32.513 \| good	23.422 \| good	0.959 \| good	1.88 \| good	0.136 \| good
2026-03-10T08:00:00.000Z	38 \| good	6.9 \| good	30.587 \| good	23.279 \| good	0.937 \| good	1.794 \| good	0.132 \| good
2026-03-10T09:00:00.000Z	38 \| good	7.103 \| good	31.571 \| good	21.894 \| good	0.915 \| good	1.709 \| good	0.129 \| good
2026-03-10T10:00:00.000Z	38 \| good	7.023 \| good	31.166 \| good	15.507 \| good	0.962 \| good	1.759 \| good	0.127 \| good
2026-03-10T11:00:00.000Z	38 \| good	7.122 \| good	31.297 \| good	14.276 \| good	1.01 \| good	1.809 \| good	0.125 \| good
2026-03-10T12:00:00.000Z	38 \| good	7.38 \| good	32.281 \| good	14.102 \| good	1.057 \| good	1.859 \| good	0.123 \| good
2026-03-10T13:00:00.000Z	38 \| good	7.221 \| good	31.951 \| good	15.513 \| good	1.07 \| good	1.826 \| good	0.123 \| good
2026-03-10T14:00:00.000Z	44 \| good	7.567 \| good	33.213 \| good	18.35 \| good	1.082 \| good	1.792 \| good	0.122 \| good
2026-03-10T15:00:00.000Z	33 \| good	5.863 \| good	25.514 \| good	19.778 \| good	1.095 \| good	1.759 \| good	0.121 \| good
2026-03-10T16:00:00.000Z	33 \| good	6.377 \| good	28.281 \| good	22.5 \| good	1.192 \| good	1.582 \| good	0.119 \| good
2026-03-10T17:00:00.000Z	38 \| good	6.52 \| good	29.209 \| good	29.785 \| good	1.29 \| good	1.404 \| good	0.116 \| good
2026-03-10T18:00:00.000Z	44 \| good	8.134 \| good	35.648 \| good	31.819 \| good	1.387 \| good	1.227 \| good	0.114 \| good
2026-03-10T19:00:00.000Z	44 \| good	7.807 \| good	34.231 \| good	32.837 \| good	1.363 \| good	1.067 \| good	0.113 \| good
2026-03-10T20:00:00.000Z	44 \| good	7.739 \| good	34.029 \| good	32.798 \| good	1.339 \| good	0.907 \| good	0.112 \| good
2026-03-10T21:00:00.000Z	44 \| good	7.819 \| good	33.95 \| good	36.78 \| good	1.314 \| good	0.746 \| good	0.112 \| good
2026-03-10T22:00:00.000Z	38 \| good	7.028 \| good	30.99 \| good	35.81 \| good	1.34 \| good	1.272 \| good	0.116 \| good
2026-03-10T23:00:00.000Z	44 \| good	7.588 \| good	33.779 \| good	32.025 \| good	1.365 \| good	1.798 \| good	0.121 \| good
2026-03-11T00:00:00.000Z	38 \| good	7.132 \| good	31.431 \| good	33.037 \| good	1.39 \| good	2.324 \| good	0.125 \| good
2026-03-11T01:00:00.000Z	38 \| good	7.174 \| good	31.502 \| good	30.386 \| good	1.243 \| good	2.303 \| good	0.126 \| good
2026-03-11T02:00:00.000Z	49 \| good	9.424 \| good	42.18 \| good	25.962 \| good	1.096 \| good	2.281 \| good	0.126 \| good
2026-03-11T03:00:00.000Z	49 \| good	9.486 \| good	42.289 \| good	24.699 \| good	0.948 \| good	2.26 \| good	0.127 \| good
2026-03-11T04:00:00.000Z	49 \| good	9.074 \| good	39.947 \| good	24.256 \| good	0.874 \| good	2.11 \| good	0.125 \| good
2026-03-11T05:00:00.000Z	49 \| good	8.985 \| good	39.939 \| good	25.094 \| good	0.8 \| good	1.959 \| good	0.123 \| good
2026-03-11T06:00:00.000Z	28 \| good	3.353 \| good	3.401 \| good	29.745 \| good	0.715 \| good	1.797 \| good	0.12 \| good
2026-03-11T07:00:00.000Z	44 \| good	8.189 \| good	35.773 \| good	24.502 \| good	0.807 \| good	1.766 \| good	0.119 \| good
2026-03-11T08:00:00.000Z	33 \| good	5.611 \| good	24.336 \| good	23.451 \| good	0.888 \| good	1.724 \| good	0.117 \| good
2026-03-11T09:00:00.000Z	27 \| good	5.489 \| good	23.398 \| good	23.135 \| good	0.969 \| good	1.681 \| good	0.115 \| good
2026-03-11T10:00:00.000Z	44 \| good	8.243 \| good	35.846 \| good	24.595 \| good	0.977 \| good	1.683 \| good	0.113 \| good
2026-03-11T11:00:00.000Z	38 \| good	6.854 \| good	30.398 \| good	23.106 \| good	0.985 \| good	1.685 \| good	0.112 \| good
2026-03-11T12:00:00.000Z	44 \| good	7.511 \| good	7.748 \| good	28.241 \| good	0.983 \| good	1.663 \| good	0.11 \| good
2026-03-11T13:00:00.000Z	38 \| good	6.78 \| good	6.986 \| good	28.31 \| good	1.037 \| good	1.667 \| good	0.111 \| good
2026-03-11T14:00:00.000Z	33 \| good	5.787 \| good	5.96 \| good	28.378 \| good	1.092 \| good	1.671 \| good	0.112 \| good
2026-03-11T15:00:00.000Z	33 \| good	6.064 \| good	6.231 \| good	28.447 \| good	1.146 \| good	1.674 \| good	0.113 \| good
2026-03-11T16:00:00.000Z	33 \| good	6.066 \| good	6.253 \| good	29.953 \| good	1.225 \| good	1.432 \| good	0.111 \| good
2026-03-11T17:00:00.000Z	27 \| good	5.184 \| good	22.263 \| good	28.862 \| good	1.307 \| good	1.208 \| good	0.109 \| good
2026-03-11T18:00:00.000Z	33 \| good	5.708 \| good	5.991 \| good	32.966 \| good	1.382 \| good	0.946 \| good	0.107 \| good
2026-03-11T19:00:00.000Z	31 \| good	5.454 \| good	5.715 \| good	34.466 \| good	1.257 \| good	0.838 \| good	0.104 \| good
2026-03-11T20:00:00.000Z	33 \| good	5.069 \| good	5.358 \| good	35.966 \| good	1.131 \| good	0.73 \| good	0.101 \| good

Chillicothe

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Chillicothe, Ohio air quality map: Track AQI near you

0.15ppm

How accurate is Ohio, USA air quality data?

Air quality data and pollutant measurements for Ohio, 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 Chillicothe, Ohio updated?

The air quality for Chillicothe, Ohio is updated every hour.

When was the worst air quality at Chillicothe, Ohio in the last 24 hrs?

The worst air quality in Chillicothe, Ohio in the last 24 hours was observed at 03:00:00 on 2026-03-09.

When was the best air quality at Chillicothe, Ohio in the last 24 hrs?

In the last 24 hrs, the best air quality in Chillicothe, Ohio was observed at 09:00:00 on 2026-03-09.

What is the current air quality in Chillicothe, Ohio?

The current air quality in Chillicothe, Ohio is 33, categorized as Good based on real-time data.

What pollutant is the most common in Chillicothe, Ohio?

The most common pollutant in Chillicothe, Ohio is O3.

What should I do if the air quality in Chillicothe, Ohio is poor?

If the air quality in Chillicothe, Ohio is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Chillicothe, Ohio?

The current PM_2.5 concentration at Chillicothe, Ohio is 5.266 μg/m³.

What is the current concentration of PM₁₀ in Chillicothe, Ohio?

The current PM₁₀ concentration at Chillicothe, Ohio is 19.497 μg/m³.

What is the current concentration of carbon monoxide (CO) in Chillicothe, Ohio?

The current carbon monoxide (CO) concentration at Chillicothe, Ohio is 0.164 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Chillicothe, Ohio?

The current sulfur dioxide (SO₂) concentration at Chillicothe, Ohio is 3.724 ppb.

What is the current concentration of ozone (O₃) in Chillicothe, Ohio?

The current ozone (O₃) concentration at Chillicothe, Ohio is 36.325 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Chillicothe, Ohio?

The current nitrogen dioxide (NO₂) concentration at Chillicothe, Ohio is 7.471 ppb.

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