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

The current PM10 concentration at Chillicothe, Ohio is 42.012 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Chillicothe, Ohio is 1.486 ppb.

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

The current ozone (O3) concentration at Chillicothe, Ohio is 53.903 ppm.

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

The current nitrogen dioxide (NO2) concentration at Chillicothe, Ohio is 10.532 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 9.6 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)

Moderate

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)

9.60 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

42.01 μg/m³

155

255

425

605+

Ozone (O₃)

53.90 ppb

201

201+

Sulfur Dioxide (SO₂)

1.49 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

10.53 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.21 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Chillicothe, Ohio

Get Live Pollen Counts

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
2026-04-22T02:00:00.000Z	47 \| good	6.622 \| good	26.198 \| good	50.668 \| good	1.565 \| good	11.528 \| good	0.165 \| good
2026-04-22T03:00:00.000Z	44 \| good	6.88 \| good	29.246 \| good	46.816 \| good	1.579 \| good	12.663 \| good	0.176 \| good
2026-04-22T04:00:00.000Z	42 \| good	6.945 \| good	28.601 \| good	44.956 \| good	1.627 \| good	17.286 \| good	0.149 \| good
2026-04-22T05:00:00.000Z	41 \| good	5.763 \| good	30.639 \| good	43.787 \| good	1.739 \| good	17.383 \| good	0.149 \| good
2026-04-22T06:00:00.000Z	44 \| good	7.978 \| good	27.955 \| good	48.105 \| good	2.031 \| good	9.488 \| good	0.133 \| good
2026-04-22T07:00:00.000Z	44 \| good	7.885 \| good	28.069 \| good	42.45 \| good	2.088 \| good	6.322 \| good	0.132 \| good
2026-04-22T08:00:00.000Z	38 \| good	6.908 \| good	22.174 \| good	41.031 \| good	1.51 \| good	8.035 \| good	0.142 \| good
2026-04-22T09:00:00.000Z	38 \| good	7.405 \| good	27.501 \| good	38.449 \| good	1.502 \| good	7.724 \| good	0.162 \| good
2026-04-22T10:00:00.000Z	49 \| good	9.015 \| good	30.128 \| good	38.571 \| good	1.646 \| good	7.268 \| good	0.142 \| good
2026-04-22T11:00:00.000Z	49 \| good	9.347 \| good	33.642 \| good	38.155 \| good	1.507 \| good	8.256 \| good	0.175 \| good
2026-04-22T12:00:00.000Z	38 \| good	6.915 \| good	27.846 \| good	37.085 \| good	1.537 \| good	13.112 \| good	0.266 \| good
2026-04-22T13:00:00.000Z	38 \| good	7.495 \| good	30.849 \| good	39.982 \| good	1.539 \| good	14.182 \| good	0.305 \| good
2026-04-22T14:00:00.000Z	38 \| good	7.09 \| good	25.311 \| good	36.839 \| good	1.453 \| good	13.218 \| good	0.228 \| good
2026-04-22T15:00:00.000Z	38 \| good	6.76 \| good	30.999 \| good	36.226 \| good	1.387 \| good	9.859 \| good	0.244 \| good
2026-04-22T16:00:00.000Z	38 \| good	6.799 \| good	33.107 \| good	34.784 \| good	1.515 \| good	6.744 \| good	0.195 \| good
2026-04-22T17:00:00.000Z	38 \| good	7.411 \| good	27.883 \| good	39.589 \| good	1.534 \| good	5.945 \| good	0.195 \| good
2026-04-22T18:00:00.000Z	44 \| good	7.902 \| good	27.999 \| good	42.766 \| good	2.006 \| good	6.932 \| good	0.195 \| good
2026-04-22T19:00:00.000Z	44 \| good	7.363 \| good	31.791 \| good	46.662 \| good	1.484 \| good	8.223 \| good	0.188 \| good
2026-04-22T20:00:00.000Z	44 \| good	7.849 \| good	29.354 \| good	47.707 \| good	1.502 \| good	7.237 \| good	0.205 \| good
2026-04-22T21:00:00.000Z	46 \| good	8.119 \| good	32.111 \| good	49.938 \| good	1.536 \| good	7.282 \| good	0.237 \| good
2026-04-22T22:00:00.000Z	49 \| good	8.336 \| good	35.868 \| good	53.184 \| good	1.435 \| good	6.699 \| good	0.188 \| good
2026-04-22T23:00:00.000Z	52 \| moderate	10.12 \| good	29.499 \| good	54.378 \| good	1.44 \| good	6.328 \| good	0.174 \| good
2026-04-23T00:00:00.000Z	47 \| good	8.421 \| good	30.586 \| good	50.872 \| good	1.616 \| good	7.362 \| good	0.24 \| good
2026-04-23T01:00:00.000Z	44 \| good	8.476 \| good	27.239 \| good	47.122 \| good	3.259 \| good	9.29 \| good	0.19 \| good
2026-04-23T02:00:00.000Z	49 \| good	8.555 \| good	28.611 \| good	42.648 \| good	2.144 \| good	13.208 \| good	0.158 \| good
2026-04-23T03:00:00.000Z	42 \| good	7.158 \| good	24.072 \| good	44.554 \| good	3.323 \| good	24.569 \| good	0.255 \| good
2026-04-23T04:00:00.000Z	36 \| good	5.351 \| good	23.503 \| good	39.434 \| good	1.623 \| good	26.3 \| good	0.256 \| good
2026-04-23T05:00:00.000Z	35 \| good	5.239 \| good	22.188 \| good	38.139 \| good	1.545 \| good	26.402 \| good	0.262 \| good
2026-04-23T06:00:00.000Z	33 \| good	6.408 \| good	27.517 \| good	31.629 \| good	1.395 \| good	19.6 \| good	0.257 \| good
2026-04-23T07:00:00.000Z	38 \| good	7.137 \| good	30.776 \| good	29.585 \| good	1.357 \| good	19.244 \| good	0.23 \| good
2026-04-23T08:00:00.000Z	45 \| good	7.556 \| good	48.697 \| good	26.406 \| good	1.403 \| good	18.412 \| good	0.25 \| good
2026-04-23T09:00:00.000Z	38 \| good	7.285 \| good	31.94 \| good	24.825 \| good	1.412 \| good	12.999 \| good	0.224 \| good
2026-04-23T10:00:00.000Z	49 \| good	8.727 \| good	21.79 \| good	25.698 \| good	1.416 \| good	14.923 \| good	0.25 \| good
2026-04-23T11:00:00.000Z	49 \| good	9.433 \| good	31.823 \| good	21.152 \| good	1.42 \| good	17.355 \| good	0.309 \| good
2026-04-23T12:00:00.000Z	49 \| good	9.205 \| good	46.632 \| good	10.745 \| good	1.472 \| good	23.488 \| good	0.419 \| good
2026-04-23T13:00:00.000Z	54 \| moderate	11.303 \| good	47.958 \| good	20.087 \| good	1.537 \| good	24.646 \| good	0.47 \| good
2026-04-23T14:00:00.000Z	56 \| moderate	11.991 \| good	50.405 \| good	25.293 \| good	1.631 \| good	23.885 \| good	0.371 \| good
2026-04-23T15:00:00.000Z	54 \| moderate	11.497 \| good	49.151 \| good	28.146 \| good	1.789 \| good	22.04 \| good	0.321 \| good
2026-04-23T16:00:00.000Z	54 \| moderate	11.112 \| good	46.313 \| good	29.37 \| good	2.339 \| good	17.498 \| good	0.179 \| good
2026-04-23T17:00:00.000Z	54 \| moderate	10.716 \| good	48.464 \| good	37.263 \| good	4.289 \| good	9.861 \| good	0.2 \| good
2026-04-23T18:00:00.000Z	54 \| moderate	10.61 \| good	44.114 \| good	46.092 \| good	2.895 \| good	7.459 \| good	0.199 \| good
2026-04-23T19:00:00.000Z	54 \| moderate	10.712 \| good	48.133 \| good	50.64 \| good	1.832 \| good	7.994 \| good	0.221 \| good
2026-04-23T20:00:00.000Z	52 \| moderate	10.03 \| good	46.972 \| good	53.777 \| good	1.632 \| good	7.828 \| good	0.198 \| good
2026-04-23T21:00:00.000Z	58 \| moderate	9.202 \| good	42.228 \| good	56.757 \| fine	1.889 \| good	9.035 \| good	0.204 \| good
2026-04-23T22:00:00.000Z	58 \| moderate	9.995 \| good	44.37 \| good	56.837 \| fine	1.535 \| good	5.832 \| good	0.189 \| good
2026-04-23T23:00:00.000Z	67 \| moderate	10.691 \| good	41.805 \| good	60.171 \| fine	1.496 \| good	6.031 \| good	0.222 \| good
2026-04-24T00:00:00.000Z	51 \| moderate	8.217 \| good	34.92 \| good	55.248 \| fine	1.622 \| good	6.523 \| good	0.222 \| good
2026-04-24T01:00:00.000Z	52 \| moderate	9.6 \| good	42.012 \| good	53.903 \| good	1.486 \| good	10.532 \| good	0.213 \| good
2026-04-24T01:00:00.000Z	52 \| moderate	9.6 \| good	42.012 \| good	53.903 \| good	1.486 \| good	10.532 \| good	0.213 \| good
2026-04-24T02:00:00.000Z	44 \| good	8.071 \| good	35.662 \| good	36.405 \| good	1.702 \| good	4.156 \| good	0.184 \| good
2026-04-24T03:00:00.000Z	44 \| good	7.931 \| good	34.745 \| good	33.947 \| good	1.578 \| good	4.944 \| good	0.192 \| good
2026-04-24T04:00:00.000Z	44 \| good	7.94 \| good	34.778 \| good	34.187 \| good	1.428 \| good	4.06 \| good	0.184 \| good
2026-04-24T05:00:00.000Z	44 \| good	7.793 \| good	34.031 \| good	34.626 \| good	1.278 \| good	3.176 \| good	0.176 \| good
2026-04-24T06:00:00.000Z	44 \| good	7.61 \| good	33.334 \| good	35.513 \| good	1.128 \| good	2.293 \| good	0.168 \| good
2026-04-24T07:00:00.000Z	44 \| good	7.972 \| good	34.936 \| good	34.546 \| good	1.148 \| good	2.174 \| good	0.167 \| good
2026-04-24T08:00:00.000Z	44 \| good	7.963 \| good	34.913 \| good	32.039 \| good	1.167 \| good	2.055 \| good	0.166 \| good
2026-04-24T09:00:00.000Z	44 \| good	8.456 \| good	36.964 \| good	29.942 \| good	1.187 \| good	1.936 \| good	0.165 \| good
2026-04-24T10:00:00.000Z	44 \| good	7.627 \| good	33.812 \| good	27.777 \| good	1.148 \| good	2.128 \| good	0.169 \| good
2026-04-24T11:00:00.000Z	49 \| good	9.122 \| good	40.822 \| good	26.506 \| good	1.109 \| good	2.32 \| good	0.173 \| good
2026-04-24T12:00:00.000Z	52 \| moderate	9.957 \| good	44.142 \| good	30.294 \| good	1.07 \| good	2.512 \| good	0.177 \| good
2026-04-24T13:00:00.000Z	54 \| moderate	10.503 \| good	46.714 \| good	39.768 \| good	1.387 \| good	2.043 \| good	0.179 \| good
2026-04-24T14:00:00.000Z	54 \| moderate	10.597 \| good	46.896 \| good	49.616 \| good	1.703 \| good	1.575 \| good	0.18 \| good
2026-04-24T15:00:00.000Z	52 \| moderate	10.052 \| good	44.896 \| good	52.604 \| good	2.019 \| good	1.106 \| good	0.182 \| good
2026-04-24T16:00:00.000Z	49 \| good	9.032 \| good	40.668 \| good	51.804 \| good	1.845 \| good	0.896 \| good	0.175 \| good
2026-04-24T17:00:00.000Z	49 \| good	8.732 \| good	38.263 \| good	51.721 \| good	1.671 \| good	0.686 \| good	0.168 \| good
2026-04-24T18:00:00.000Z	49 \| good	9.016 \| good	39.684 \| good	51.625 \| good	1.497 \| good	0.475 \| good	0.161 \| good
2026-04-24T19:00:00.000Z	47 \| good	8.313 \| good	36.301 \| good	50.66 \| good	1.41 \| good	0.496 \| good	0.157 \| good
2026-04-24T20:00:00.000Z	44 \| good	7.676 \| good	33.859 \| good	48.49 \| good	1.323 \| good	0.517 \| good	0.153 \| good
2026-04-24T21:00:00.000Z	45 \| good	5.963 \| good	26.708 \| good	48.865 \| good	1.235 \| good	0.538 \| good	0.149 \| good
2026-04-24T22:00:00.000Z	48 \| good	5.729 \| good	24.406 \| good	52.175 \| good	1.325 \| good	0.9 \| good	0.15 \| good
2026-04-24T23:00:00.000Z	49 \| good	5.812 \| good	24.957 \| good	53.371 \| good	1.414 \| good	1.262 \| good	0.15 \| good
2026-04-25T00:00:00.000Z	51 \| moderate	4.294 \| good	18.918 \| good	54.65 \| good	1.504 \| good	1.624 \| good	0.15 \| good
2026-04-25T01:00:00.000Z	44 \| good	4.201 \| good	18.832 \| good	47.636 \| good	1.597 \| good	2.359 \| good	0.156 \| good
2026-04-25T02:00:00.000Z	42 \| good	4.04 \| good	17.408 \| good	44.53 \| good	1.691 \| good	3.094 \| good	0.163 \| good
2026-04-25T03:00:00.000Z	39 \| good	4.169 \| good	18.293 \| good	42.313 \| good	1.785 \| good	3.829 \| good	0.169 \| good
2026-04-25T04:00:00.000Z	37 \| good	4.209 \| good	18.378 \| good	39.869 \| good	1.935 \| good	3.726 \| good	0.168 \| good
2026-04-25T05:00:00.000Z	34 \| good	4.29 \| good	19.031 \| good	37.045 \| good	2.085 \| good	3.623 \| good	0.167 \| good
2026-04-25T06:00:00.000Z	31 \| good	5.451 \| good	23.107 \| good	33.685 \| good	2.235 \| good	3.52 \| good	0.166 \| good
2026-04-25T07:00:00.000Z	38 \| good	6.985 \| good	30.865 \| good	32.29 \| good	2.231 \| good	3.307 \| good	0.161 \| good
2026-04-25T08:00:00.000Z	44 \| good	7.894 \| good	34.441 \| good	31.998 \| good	2.227 \| good	3.094 \| good	0.157 \| good
2026-04-25T09:00:00.000Z	44 \| good	8.369 \| good	36.736 \| good	31.279 \| good	2.222 \| good	2.881 \| good	0.153 \| good
2026-04-25T10:00:00.000Z	49 \| good	9.187 \| good	40.783 \| good	29.739 \| good	2.05 \| good	2.946 \| good	0.153 \| good
2026-04-25T11:00:00.000Z	44 \| good	8.2 \| good	36.213 \| good	27.026 \| good	1.878 \| good	3.012 \| good	0.153 \| good
2026-04-25T12:00:00.000Z	38 \| good	6.576 \| good	29.148 \| good	28.827 \| good	1.706 \| good	3.077 \| good	0.153 \| good
2026-04-25T13:00:00.000Z	33 \| good	5.808 \| good	25.459 \| good	32.166 \| good	1.475 \| good	2.461 \| good	0.152 \| good
2026-04-25T14:00:00.000Z	33 \| good	5.187 \| good	22.161 \| good	36.134 \| good	1.244 \| good	1.846 \| good	0.151 \| good
2026-04-25T15:00:00.000Z	38 \| good	5.567 \| good	23.734 \| good	41.217 \| good	1.013 \| good	1.23 \| good	0.15 \| good
2026-04-25T16:00:00.000Z	44 \| good	6.38 \| good	28.613 \| good	46.599 \| good	0.789 \| good	1.049 \| good	0.148 \| good
2026-04-25T17:00:00.000Z	46 \| good	6.55 \| good	29.031 \| good	49.992 \| good	0.566 \| good	0.868 \| good	0.145 \| good
2026-04-25T18:00:00.000Z	48 \| good	6.725 \| good	29.949 \| good	51.579 \| good	0.342 \| good	0.687 \| good	0.143 \| good
2026-04-25T19:00:00.000Z	50 \| good	6.753 \| good	29.919 \| good	53.547 \| good	0.276 \| good	0.663 \| good	0.142 \| good
2026-04-25T20:00:00.000Z	54 \| moderate	6.852 \| good	30.508 \| good	55.787 \| fine	0.21 \| good	0.639 \| good	0.142 \| good
2026-04-25T21:00:00.000Z	54 \| moderate	7.457 \| good	32.896 \| good	55.972 \| fine	0.143 \| good	0.615 \| good	0.141 \| good
2026-04-25T22:00:00.000Z	48 \| good	7.314 \| good	32.219 \| good	52.212 \| good	0.165 \| good	1.147 \| good	0.149 \| good
2026-04-25T23:00:00.000Z	46 \| good	7.62 \| good	33.855 \| good	50.071 \| good	0.186 \| good	1.679 \| good	0.156 \| good
2026-04-26T00:00:00.000Z	43 \| good	2.901 \| good	3.174 \| good	45.782 \| good	0.204 \| good	2.167 \| good	0.163 \| good
2026-04-26T01:00:00.000Z	49 \| good	8.706 \| good	38.094 \| good	38.704 \| good	0.214 \| good	2.519 \| good	0.172 \| good

Chillicothe

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Chillicothe, Ohio air quality map: Track AQI near you

0.20ppm

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 11:00:00 on 2026-04-23.

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 06:00:00 on 2026-04-23.

What is the current air quality in Chillicothe, Ohio?

The current air quality in Chillicothe, Ohio is 52, categorized as Moderate based on real-time data.

What pollutant is the most common in Chillicothe, Ohio?

The most common pollutant in Chillicothe, Ohio is PM2.5.

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 9.6 μg/m³.

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

The current PM₁₀ concentration at Chillicothe, Ohio is 42.012 μg/m³.

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

The current carbon monoxide (CO) concentration at Chillicothe, Ohio is 0.213 ppm.

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

The current sulfur dioxide (SO₂) concentration at Chillicothe, Ohio is 1.486 ppb.

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

The current ozone (O₃) concentration at Chillicothe, Ohio is 53.903 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Chillicothe, Ohio is 10.532 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-22T02:00:00.000Z	47 \| good	6.622 \| good	26.198 \| good	50.668 \| good	1.565 \| good	11.528 \| good	0.165 \| good
2026-04-22T03:00:00.000Z	44 \| good	6.88 \| good	29.246 \| good	46.816 \| good	1.579 \| good	12.663 \| good	0.176 \| good
2026-04-22T04:00:00.000Z	42 \| good	6.945 \| good	28.601 \| good	44.956 \| good	1.627 \| good	17.286 \| good	0.149 \| good
2026-04-22T05:00:00.000Z	41 \| good	5.763 \| good	30.639 \| good	43.787 \| good	1.739 \| good	17.383 \| good	0.149 \| good
2026-04-22T06:00:00.000Z	44 \| good	7.978 \| good	27.955 \| good	48.105 \| good	2.031 \| good	9.488 \| good	0.133 \| good
2026-04-22T07:00:00.000Z	44 \| good	7.885 \| good	28.069 \| good	42.45 \| good	2.088 \| good	6.322 \| good	0.132 \| good
2026-04-22T08:00:00.000Z	38 \| good	6.908 \| good	22.174 \| good	41.031 \| good	1.51 \| good	8.035 \| good	0.142 \| good
2026-04-22T09:00:00.000Z	38 \| good	7.405 \| good	27.501 \| good	38.449 \| good	1.502 \| good	7.724 \| good	0.162 \| good
2026-04-22T10:00:00.000Z	49 \| good	9.015 \| good	30.128 \| good	38.571 \| good	1.646 \| good	7.268 \| good	0.142 \| good
2026-04-22T11:00:00.000Z	49 \| good	9.347 \| good	33.642 \| good	38.155 \| good	1.507 \| good	8.256 \| good	0.175 \| good
2026-04-22T12:00:00.000Z	38 \| good	6.915 \| good	27.846 \| good	37.085 \| good	1.537 \| good	13.112 \| good	0.266 \| good
2026-04-22T13:00:00.000Z	38 \| good	7.495 \| good	30.849 \| good	39.982 \| good	1.539 \| good	14.182 \| good	0.305 \| good
2026-04-22T14:00:00.000Z	38 \| good	7.09 \| good	25.311 \| good	36.839 \| good	1.453 \| good	13.218 \| good	0.228 \| good
2026-04-22T15:00:00.000Z	38 \| good	6.76 \| good	30.999 \| good	36.226 \| good	1.387 \| good	9.859 \| good	0.244 \| good
2026-04-22T16:00:00.000Z	38 \| good	6.799 \| good	33.107 \| good	34.784 \| good	1.515 \| good	6.744 \| good	0.195 \| good
2026-04-22T17:00:00.000Z	38 \| good	7.411 \| good	27.883 \| good	39.589 \| good	1.534 \| good	5.945 \| good	0.195 \| good
2026-04-22T18:00:00.000Z	44 \| good	7.902 \| good	27.999 \| good	42.766 \| good	2.006 \| good	6.932 \| good	0.195 \| good
2026-04-22T19:00:00.000Z	44 \| good	7.363 \| good	31.791 \| good	46.662 \| good	1.484 \| good	8.223 \| good	0.188 \| good
2026-04-22T20:00:00.000Z	44 \| good	7.849 \| good	29.354 \| good	47.707 \| good	1.502 \| good	7.237 \| good	0.205 \| good
2026-04-22T21:00:00.000Z	46 \| good	8.119 \| good	32.111 \| good	49.938 \| good	1.536 \| good	7.282 \| good	0.237 \| good
2026-04-22T22:00:00.000Z	49 \| good	8.336 \| good	35.868 \| good	53.184 \| good	1.435 \| good	6.699 \| good	0.188 \| good
2026-04-22T23:00:00.000Z	52 \| moderate	10.12 \| good	29.499 \| good	54.378 \| good	1.44 \| good	6.328 \| good	0.174 \| good
2026-04-23T00:00:00.000Z	47 \| good	8.421 \| good	30.586 \| good	50.872 \| good	1.616 \| good	7.362 \| good	0.24 \| good
2026-04-23T01:00:00.000Z	44 \| good	8.476 \| good	27.239 \| good	47.122 \| good	3.259 \| good	9.29 \| good	0.19 \| good
2026-04-23T02:00:00.000Z	49 \| good	8.555 \| good	28.611 \| good	42.648 \| good	2.144 \| good	13.208 \| good	0.158 \| good
2026-04-23T03:00:00.000Z	42 \| good	7.158 \| good	24.072 \| good	44.554 \| good	3.323 \| good	24.569 \| good	0.255 \| good
2026-04-23T04:00:00.000Z	36 \| good	5.351 \| good	23.503 \| good	39.434 \| good	1.623 \| good	26.3 \| good	0.256 \| good
2026-04-23T05:00:00.000Z	35 \| good	5.239 \| good	22.188 \| good	38.139 \| good	1.545 \| good	26.402 \| good	0.262 \| good
2026-04-23T06:00:00.000Z	33 \| good	6.408 \| good	27.517 \| good	31.629 \| good	1.395 \| good	19.6 \| good	0.257 \| good
2026-04-23T07:00:00.000Z	38 \| good	7.137 \| good	30.776 \| good	29.585 \| good	1.357 \| good	19.244 \| good	0.23 \| good
2026-04-23T08:00:00.000Z	45 \| good	7.556 \| good	48.697 \| good	26.406 \| good	1.403 \| good	18.412 \| good	0.25 \| good
2026-04-23T09:00:00.000Z	38 \| good	7.285 \| good	31.94 \| good	24.825 \| good	1.412 \| good	12.999 \| good	0.224 \| good
2026-04-23T10:00:00.000Z	49 \| good	8.727 \| good	21.79 \| good	25.698 \| good	1.416 \| good	14.923 \| good	0.25 \| good
2026-04-23T11:00:00.000Z	49 \| good	9.433 \| good	31.823 \| good	21.152 \| good	1.42 \| good	17.355 \| good	0.309 \| good
2026-04-23T12:00:00.000Z	49 \| good	9.205 \| good	46.632 \| good	10.745 \| good	1.472 \| good	23.488 \| good	0.419 \| good
2026-04-23T13:00:00.000Z	54 \| moderate	11.303 \| good	47.958 \| good	20.087 \| good	1.537 \| good	24.646 \| good	0.47 \| good
2026-04-23T14:00:00.000Z	56 \| moderate	11.991 \| good	50.405 \| good	25.293 \| good	1.631 \| good	23.885 \| good	0.371 \| good
2026-04-23T15:00:00.000Z	54 \| moderate	11.497 \| good	49.151 \| good	28.146 \| good	1.789 \| good	22.04 \| good	0.321 \| good
2026-04-23T16:00:00.000Z	54 \| moderate	11.112 \| good	46.313 \| good	29.37 \| good	2.339 \| good	17.498 \| good	0.179 \| good
2026-04-23T17:00:00.000Z	54 \| moderate	10.716 \| good	48.464 \| good	37.263 \| good	4.289 \| good	9.861 \| good	0.2 \| good
2026-04-23T18:00:00.000Z	54 \| moderate	10.61 \| good	44.114 \| good	46.092 \| good	2.895 \| good	7.459 \| good	0.199 \| good
2026-04-23T19:00:00.000Z	54 \| moderate	10.712 \| good	48.133 \| good	50.64 \| good	1.832 \| good	7.994 \| good	0.221 \| good
2026-04-23T20:00:00.000Z	52 \| moderate	10.03 \| good	46.972 \| good	53.777 \| good	1.632 \| good	7.828 \| good	0.198 \| good
2026-04-23T21:00:00.000Z	58 \| moderate	9.202 \| good	42.228 \| good	56.757 \| fine	1.889 \| good	9.035 \| good	0.204 \| good
2026-04-23T22:00:00.000Z	58 \| moderate	9.995 \| good	44.37 \| good	56.837 \| fine	1.535 \| good	5.832 \| good	0.189 \| good
2026-04-23T23:00:00.000Z	67 \| moderate	10.691 \| good	41.805 \| good	60.171 \| fine	1.496 \| good	6.031 \| good	0.222 \| good
2026-04-24T00:00:00.000Z	51 \| moderate	8.217 \| good	34.92 \| good	55.248 \| fine	1.622 \| good	6.523 \| good	0.222 \| good
2026-04-24T01:00:00.000Z	52 \| moderate	9.6 \| good	42.012 \| good	53.903 \| good	1.486 \| good	10.532 \| good	0.213 \| good
2026-04-24T01:00:00.000Z	52 \| moderate	9.6 \| good	42.012 \| good	53.903 \| good	1.486 \| good	10.532 \| good	0.213 \| good
2026-04-24T02:00:00.000Z	44 \| good	8.071 \| good	35.662 \| good	36.405 \| good	1.702 \| good	4.156 \| good	0.184 \| good
2026-04-24T03:00:00.000Z	44 \| good	7.931 \| good	34.745 \| good	33.947 \| good	1.578 \| good	4.944 \| good	0.192 \| good
2026-04-24T04:00:00.000Z	44 \| good	7.94 \| good	34.778 \| good	34.187 \| good	1.428 \| good	4.06 \| good	0.184 \| good
2026-04-24T05:00:00.000Z	44 \| good	7.793 \| good	34.031 \| good	34.626 \| good	1.278 \| good	3.176 \| good	0.176 \| good
2026-04-24T06:00:00.000Z	44 \| good	7.61 \| good	33.334 \| good	35.513 \| good	1.128 \| good	2.293 \| good	0.168 \| good
2026-04-24T07:00:00.000Z	44 \| good	7.972 \| good	34.936 \| good	34.546 \| good	1.148 \| good	2.174 \| good	0.167 \| good
2026-04-24T08:00:00.000Z	44 \| good	7.963 \| good	34.913 \| good	32.039 \| good	1.167 \| good	2.055 \| good	0.166 \| good
2026-04-24T09:00:00.000Z	44 \| good	8.456 \| good	36.964 \| good	29.942 \| good	1.187 \| good	1.936 \| good	0.165 \| good
2026-04-24T10:00:00.000Z	44 \| good	7.627 \| good	33.812 \| good	27.777 \| good	1.148 \| good	2.128 \| good	0.169 \| good
2026-04-24T11:00:00.000Z	49 \| good	9.122 \| good	40.822 \| good	26.506 \| good	1.109 \| good	2.32 \| good	0.173 \| good
2026-04-24T12:00:00.000Z	52 \| moderate	9.957 \| good	44.142 \| good	30.294 \| good	1.07 \| good	2.512 \| good	0.177 \| good
2026-04-24T13:00:00.000Z	54 \| moderate	10.503 \| good	46.714 \| good	39.768 \| good	1.387 \| good	2.043 \| good	0.179 \| good
2026-04-24T14:00:00.000Z	54 \| moderate	10.597 \| good	46.896 \| good	49.616 \| good	1.703 \| good	1.575 \| good	0.18 \| good
2026-04-24T15:00:00.000Z	52 \| moderate	10.052 \| good	44.896 \| good	52.604 \| good	2.019 \| good	1.106 \| good	0.182 \| good
2026-04-24T16:00:00.000Z	49 \| good	9.032 \| good	40.668 \| good	51.804 \| good	1.845 \| good	0.896 \| good	0.175 \| good
2026-04-24T17:00:00.000Z	49 \| good	8.732 \| good	38.263 \| good	51.721 \| good	1.671 \| good	0.686 \| good	0.168 \| good
2026-04-24T18:00:00.000Z	49 \| good	9.016 \| good	39.684 \| good	51.625 \| good	1.497 \| good	0.475 \| good	0.161 \| good
2026-04-24T19:00:00.000Z	47 \| good	8.313 \| good	36.301 \| good	50.66 \| good	1.41 \| good	0.496 \| good	0.157 \| good
2026-04-24T20:00:00.000Z	44 \| good	7.676 \| good	33.859 \| good	48.49 \| good	1.323 \| good	0.517 \| good	0.153 \| good
2026-04-24T21:00:00.000Z	45 \| good	5.963 \| good	26.708 \| good	48.865 \| good	1.235 \| good	0.538 \| good	0.149 \| good
2026-04-24T22:00:00.000Z	48 \| good	5.729 \| good	24.406 \| good	52.175 \| good	1.325 \| good	0.9 \| good	0.15 \| good
2026-04-24T23:00:00.000Z	49 \| good	5.812 \| good	24.957 \| good	53.371 \| good	1.414 \| good	1.262 \| good	0.15 \| good
2026-04-25T00:00:00.000Z	51 \| moderate	4.294 \| good	18.918 \| good	54.65 \| good	1.504 \| good	1.624 \| good	0.15 \| good
2026-04-25T01:00:00.000Z	44 \| good	4.201 \| good	18.832 \| good	47.636 \| good	1.597 \| good	2.359 \| good	0.156 \| good
2026-04-25T02:00:00.000Z	42 \| good	4.04 \| good	17.408 \| good	44.53 \| good	1.691 \| good	3.094 \| good	0.163 \| good
2026-04-25T03:00:00.000Z	39 \| good	4.169 \| good	18.293 \| good	42.313 \| good	1.785 \| good	3.829 \| good	0.169 \| good
2026-04-25T04:00:00.000Z	37 \| good	4.209 \| good	18.378 \| good	39.869 \| good	1.935 \| good	3.726 \| good	0.168 \| good
2026-04-25T05:00:00.000Z	34 \| good	4.29 \| good	19.031 \| good	37.045 \| good	2.085 \| good	3.623 \| good	0.167 \| good
2026-04-25T06:00:00.000Z	31 \| good	5.451 \| good	23.107 \| good	33.685 \| good	2.235 \| good	3.52 \| good	0.166 \| good
2026-04-25T07:00:00.000Z	38 \| good	6.985 \| good	30.865 \| good	32.29 \| good	2.231 \| good	3.307 \| good	0.161 \| good
2026-04-25T08:00:00.000Z	44 \| good	7.894 \| good	34.441 \| good	31.998 \| good	2.227 \| good	3.094 \| good	0.157 \| good
2026-04-25T09:00:00.000Z	44 \| good	8.369 \| good	36.736 \| good	31.279 \| good	2.222 \| good	2.881 \| good	0.153 \| good
2026-04-25T10:00:00.000Z	49 \| good	9.187 \| good	40.783 \| good	29.739 \| good	2.05 \| good	2.946 \| good	0.153 \| good
2026-04-25T11:00:00.000Z	44 \| good	8.2 \| good	36.213 \| good	27.026 \| good	1.878 \| good	3.012 \| good	0.153 \| good
2026-04-25T12:00:00.000Z	38 \| good	6.576 \| good	29.148 \| good	28.827 \| good	1.706 \| good	3.077 \| good	0.153 \| good
2026-04-25T13:00:00.000Z	33 \| good	5.808 \| good	25.459 \| good	32.166 \| good	1.475 \| good	2.461 \| good	0.152 \| good
2026-04-25T14:00:00.000Z	33 \| good	5.187 \| good	22.161 \| good	36.134 \| good	1.244 \| good	1.846 \| good	0.151 \| good
2026-04-25T15:00:00.000Z	38 \| good	5.567 \| good	23.734 \| good	41.217 \| good	1.013 \| good	1.23 \| good	0.15 \| good
2026-04-25T16:00:00.000Z	44 \| good	6.38 \| good	28.613 \| good	46.599 \| good	0.789 \| good	1.049 \| good	0.148 \| good
2026-04-25T17:00:00.000Z	46 \| good	6.55 \| good	29.031 \| good	49.992 \| good	0.566 \| good	0.868 \| good	0.145 \| good
2026-04-25T18:00:00.000Z	48 \| good	6.725 \| good	29.949 \| good	51.579 \| good	0.342 \| good	0.687 \| good	0.143 \| good
2026-04-25T19:00:00.000Z	50 \| good	6.753 \| good	29.919 \| good	53.547 \| good	0.276 \| good	0.663 \| good	0.142 \| good
2026-04-25T20:00:00.000Z	54 \| moderate	6.852 \| good	30.508 \| good	55.787 \| fine	0.21 \| good	0.639 \| good	0.142 \| good
2026-04-25T21:00:00.000Z	54 \| moderate	7.457 \| good	32.896 \| good	55.972 \| fine	0.143 \| good	0.615 \| good	0.141 \| good
2026-04-25T22:00:00.000Z	48 \| good	7.314 \| good	32.219 \| good	52.212 \| good	0.165 \| good	1.147 \| good	0.149 \| good
2026-04-25T23:00:00.000Z	46 \| good	7.62 \| good	33.855 \| good	50.071 \| good	0.186 \| good	1.679 \| good	0.156 \| good
2026-04-26T00:00:00.000Z	43 \| good	2.901 \| good	3.174 \| good	45.782 \| good	0.204 \| good	2.167 \| good	0.163 \| good
2026-04-26T01:00:00.000Z	49 \| good	8.706 \| good	38.094 \| good	38.704 \| good	0.214 \| good	2.519 \| good	0.172 \| good

Chillicothe, Ohio live air quality index now

Major air pollutants in Chillicothe, Ohio

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Air quality in nearby cities

Circleville, Ohio

Washington Court House, Ohio

Lancaster, Ohio

Grove City, Ohio

Pickerington, Ohio

Portsmouth, Ohio

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Frequently asked questions

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

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

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

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

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

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

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 Chillicothe, Ohio?

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

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

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

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