What are the current PM10 levels at Westerville, Ohio?

The current PM10 levels in Westerville, Ohio are 20.885 μg/m3.

What are the current sulfur dioxide (SO2) levels at Westerville, Ohio?

The current sulfur dioxide (SO2) levels in Westerville, Ohio are 1.692 ppb.

What are the current ozone (O3) levels at Westerville, Ohio?

The current ozone (O3) levels at Westerville, Ohio is 23.549 ppm.

What are the current nitrogen dioxide (NO2) levels at Westerville, Ohio?

The current nitrogen dioxide (NO2) levels at Westerville, Ohio is 8.462 ppb.

Real-time air quality index in Westerville, Ohio today

Q: What are the current PM2.5 levels in Westerville, Ohio?

The measured PM2.5 levels in Westerville, Ohio at present are 5.632 μg/m3.

Stay updated with real-time air quality in Westerville, 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

Westerville, Ohio

Last updated: ... (Local time)

Common air pollutants in Westerville, Ohio

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.63 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

20.89 μg/m³

155

255

425

605+

Ozone (O₃)

23.55 ppb

201

201+

Sulfur Dioxide (SO₂)

1.69 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.46 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.21 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Westerville, Ohio

Get Live Pollen Counts

Westerville, Ohio

Scroll To Air Quality Map

Track live Westerville, Ohio air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T06:00:00.000Z	38 \| good	6.832 \| good	23.698 \| good	13.144 \| good	1.958 \| good	15.625 \| good	0.289 \| good
2026-01-21T07:00:00.000Z	38 \| good	7.057 \| good	22.623 \| good	14.202 \| good	2.156 \| good	14.648 \| good	0.205 \| good
2026-01-21T08:00:00.000Z	38 \| good	6.552 \| good	20.589 \| good	12.47 \| good	1.944 \| good	17.132 \| good	0.2 \| good
2026-01-21T09:00:00.000Z	38 \| good	6.567 \| good	20.731 \| good	18.845 \| good	2.037 \| good	22.963 \| good	0.205 \| good
2026-01-21T10:00:00.000Z	33 \| good	6.174 \| good	18.604 \| good	21.803 \| good	1.826 \| good	17.841 \| good	0.205 \| good
2026-01-21T11:00:00.000Z	27 \| good	5.347 \| good	15.751 \| good	21.001 \| good	2.027 \| good	15.316 \| good	0.2 \| good
2026-01-21T12:00:00.000Z	27 \| good	4.941 \| good	14.518 \| good	20.075 \| good	2.03 \| good	15.199 \| good	0.228 \| good
2026-01-21T13:00:00.000Z	27 \| good	5.323 \| good	17.18 \| good	21.714 \| good	2.215 \| good	14.758 \| good	0.323 \| good
2026-01-21T14:00:00.000Z	27 \| good	5.365 \| good	19.53 \| good	23.655 \| good	2.226 \| good	15.54 \| good	0.3 \| good
2026-01-21T15:00:00.000Z	27 \| good	5.338 \| good	21.6 \| good	20.434 \| good	2.476 \| good	14.885 \| good	0.283 \| good
2026-01-21T16:00:00.000Z	27 \| good	5.404 \| good	28.121 \| good	26.034 \| good	3.219 \| good	10.86 \| good	0.206 \| good
2026-01-21T17:00:00.000Z	33 \| good	5.798 \| good	34.715 \| good	26.312 \| good	4.41 \| good	9.932 \| good	0.206 \| good
2026-01-21T18:00:00.000Z	38 \| good	7.022 \| good	32.149 \| good	28.678 \| good	4.185 \| good	8.407 \| good	0.206 \| good
2026-01-21T19:00:00.000Z	49 \| good	8.682 \| good	27.987 \| good	26.955 \| good	2.801 \| good	7.32 \| good	0.2 \| good
2026-01-21T20:00:00.000Z	54 \| moderate	10.568 \| good	27.796 \| good	26.796 \| good	2.795 \| good	7.301 \| good	0.206 \| good
2026-01-21T21:00:00.000Z	56 \| moderate	11.75 \| good	29.259 \| good	25.042 \| good	2.16 \| good	7.816 \| good	0.2 \| good
2026-01-21T22:00:00.000Z	56 \| moderate	12.201 \| fine	28.303 \| good	24.564 \| good	2.594 \| good	6.567 \| good	0.206 \| good
2026-01-21T23:00:00.000Z	58 \| moderate	13.231 \| fine	27.917 \| good	23.663 \| good	2.393 \| good	7.672 \| good	0.211 \| good
2026-01-22T00:00:00.000Z	60 \| moderate	14.466 \| fine	28.65 \| good	25.96 \| good	2.134 \| good	7.534 \| good	0.211 \| good
2026-01-22T01:00:00.000Z	64 \| moderate	15.566 \| fine	29.801 \| good	26.15 \| good	1.437 \| good	8.212 \| good	0.211 \| good
2026-01-22T02:00:00.000Z	66 \| moderate	17.273 \| fine	33.235 \| good	25.729 \| good	1.435 \| good	7.151 \| good	0.211 \| good
2026-01-22T03:00:00.000Z	67 \| moderate	17.858 \| fine	32.828 \| good	23.333 \| good	1.609 \| good	6.079 \| good	0.211 \| good
2026-01-22T04:00:00.000Z	69 \| moderate	18.98 \| fine	35.004 \| good	25.256 \| good	1.644 \| good	5.773 \| good	0.211 \| good
2026-01-22T05:00:00.000Z	69 \| moderate	19.437 \| fine	35.449 \| good	27.285 \| good	1.761 \| good	5.685 \| good	0.206 \| good
2026-01-22T06:00:00.000Z	69 \| moderate	19.158 \| fine	35.01 \| good	27.947 \| good	1.797 \| good	10.566 \| good	0.194 \| good
2026-01-22T07:00:00.000Z	71 \| moderate	20.13 \| fine	37.066 \| good	27.458 \| good	1.882 \| good	8.818 \| good	0.2 \| good
2026-01-22T08:00:00.000Z	73 \| moderate	21.227 \| fine	38.866 \| good	26.137 \| good	1.887 \| good	6.105 \| good	0.2 \| good
2026-01-22T09:00:00.000Z	75 \| moderate	21.585 \| fine	39.94 \| good	25.586 \| good	1.874 \| good	5.342 \| good	0.194 \| good
2026-01-22T10:00:00.000Z	73 \| moderate	21.209 \| fine	39.82 \| good	26.228 \| good	1.902 \| good	3.279 \| good	0.117 \| good
2026-01-22T11:00:00.000Z	64 \| moderate	16.062 \| fine	36.12 \| good	30.472 \| good	1.94 \| good	2.617 \| good	0.194 \| good
2026-01-22T12:00:00.000Z	54 \| moderate	10.678 \| good	30.638 \| good	28.141 \| good	1.642 \| good	1.627 \| good	0.122 \| good
2026-01-22T13:00:00.000Z	44 \| good	7.51 \| good	23.359 \| good	28.106 \| good	1.676 \| good	5.224 \| good	0.194 \| good
2026-01-22T14:00:00.000Z	33 \| good	6.309 \| good	19.705 \| good	28.54 \| good	4.888 \| good	6.854 \| good	0.206 \| good
2026-01-22T15:00:00.000Z	33 \| good	5.887 \| good	19.066 \| good	28.082 \| good	6.25 \| good	9.523 \| good	0.2 \| good
2026-01-22T16:00:00.000Z	33 \| good	5.512 \| good	19.473 \| good	28.292 \| good	4.486 \| good	5.939 \| good	0.2 \| good
2026-01-22T17:00:00.000Z	27 \| good	5.191 \| good	20.174 \| good	28.571 \| good	2.642 \| good	4.803 \| good	0.194 \| good
2026-01-22T18:00:00.000Z	28 \| good	5.001 \| good	19.717 \| good	30.43 \| good	2.833 \| good	6.398 \| good	0.194 \| good
2026-01-22T19:00:00.000Z	30 \| good	4.664 \| good	19.435 \| good	32.374 \| good	3.04 \| good	6.58 \| good	0.189 \| good
2026-01-22T20:00:00.000Z	31 \| good	4.33 \| good	17.42 \| good	32.623 \| good	3.002 \| good	5.815 \| good	0.189 \| good
2026-01-22T21:00:00.000Z	31 \| good	4.387 \| good	19.049 \| good	32.666 \| good	2.513 \| good	7.338 \| good	0.194 \| good
2026-01-22T22:00:00.000Z	31 \| good	4.548 \| good	19.431 \| good	32.624 \| good	2.092 \| good	7.889 \| good	0.278 \| good
2026-01-22T23:00:00.000Z	28 \| good	4.884 \| good	21.202 \| good	29.776 \| good	2.631 \| good	11.138 \| good	0.272 \| good
2026-01-23T00:00:00.000Z	33 \| good	6.067 \| good	22.239 \| good	31.628 \| good	3.536 \| good	11.984 \| good	0.272 \| good
2026-01-23T01:00:00.000Z	33 \| good	5.799 \| good	21.883 \| good	27.412 \| good	2.049 \| good	12.371 \| good	0.294 \| good
2026-01-23T02:00:00.000Z	33 \| good	6.097 \| good	23.054 \| good	23.67 \| good	1.87 \| good	12.131 \| good	0.311 \| good
2026-01-23T03:00:00.000Z	33 \| good	6.039 \| good	22.443 \| good	24.008 \| good	1.918 \| good	11.092 \| good	0.233 \| good
2026-01-23T04:00:00.000Z	33 \| good	5.632 \| good	20.885 \| good	23.549 \| good	1.692 \| good	8.462 \| good	0.211 \| good
2026-01-23T05:00:00.000Z	33 \| good	5.632 \| good	20.885 \| good	23.549 \| good	1.692 \| good	8.462 \| good	0.211 \| good
2026-01-23T06:00:00.000Z	19 \| good	3.12 \| good	13.494 \| good	20.343 \| good	1.734 \| good	4.79 \| good	0.195 \| good
2026-01-23T07:00:00.000Z	22 \| good	4.426 \| good	19.136 \| good	21.188 \| good	1.638 \| good	4.278 \| good	0.192 \| good
2026-01-23T08:00:00.000Z	27 \| good	5.497 \| good	23.812 \| good	24.012 \| good	1.543 \| good	3.767 \| good	0.188 \| good
2026-01-23T09:00:00.000Z	27 \| good	4.565 \| good	19.847 \| good	26.517 \| good	1.447 \| good	3.255 \| good	0.185 \| good
2026-01-23T10:00:00.000Z	25 \| good	4.155 \| good	18.53 \| good	27.41 \| good	1.156 \| good	2.862 \| good	0.175 \| good
2026-01-23T11:00:00.000Z	29 \| good	2.314 \| good	9.661 \| good	31.267 \| good	0.865 \| good	2.469 \| good	0.165 \| good
2026-01-23T12:00:00.000Z	27 \| good	4.046 \| good	17.799 \| good	29.356 \| good	0.574 \| good	2.076 \| good	0.155 \| good
2026-01-23T13:00:00.000Z	26 \| good	3.565 \| good	15.804 \| good	27.713 \| good	0.504 \| good	1.877 \| good	0.152 \| good
2026-01-23T14:00:00.000Z	24 \| good	2.733 \| good	10.947 \| good	26.44 \| good	0.433 \| good	1.678 \| good	0.149 \| good
2026-01-23T15:00:00.000Z	23 \| good	2.584 \| good	10.725 \| good	25.226 \| good	0.363 \| good	1.48 \| good	0.145 \| good
2026-01-23T16:00:00.000Z	20 \| good	3.067 \| good	12.303 \| good	22.125 \| good	0.33 \| good	1.284 \| good	0.145 \| good
2026-01-23T17:00:00.000Z	19 \| good	3.242 \| good	14.074 \| good	20.877 \| good	0.298 \| good	1.087 \| good	0.145 \| good
2026-01-23T18:00:00.000Z	22 \| good	3.732 \| good	16.132 \| good	20.072 \| good	0.265 \| good	0.891 \| good	0.145 \| good
2026-01-23T19:00:00.000Z	22 \| good	3.59 \| good	15.952 \| good	18.123 \| good	0.263 \| good	0.932 \| good	0.143 \| good
2026-01-23T20:00:00.000Z	18 \| good	3.396 \| good	15.043 \| good	19.121 \| good	0.261 \| good	0.972 \| good	0.14 \| good
2026-01-23T21:00:00.000Z	22 \| good	3.514 \| good	15.765 \| good	21.563 \| good	0.259 \| good	1.012 \| good	0.138 \| good
2026-01-23T22:00:00.000Z	22 \| good	4.245 \| good	18.778 \| good	22.281 \| good	0.27 \| good	1.374 \| good	0.139 \| good
2026-01-23T23:00:00.000Z	27 \| good	4.681 \| good	20.707 \| good	21.984 \| good	0.281 \| good	1.737 \| good	0.14 \| good
2026-01-24T00:00:00.000Z	21 \| good	2.543 \| good	10.121 \| good	22.946 \| good	0.292 \| good	2.099 \| good	0.141 \| good
2026-01-24T01:00:00.000Z	20 \| good	2.955 \| good	12.071 \| good	21.912 \| good	0.312 \| good	2.154 \| good	0.142 \| good
2026-01-24T02:00:00.000Z	18 \| good	1.816 \| good	7.765 \| good	18.575 \| good	0.332 \| good	2.208 \| good	0.142 \| good
2026-01-24T03:00:00.000Z	15 \| good	1.304 \| good	5.091 \| good	16.41 \| good	0.351 \| good	2.263 \| good	0.143 \| good
2026-01-24T04:00:00.000Z	17 \| good	1.997 \| good	8.028 \| good	18.371 \| good	0.355 \| good	2.203 \| good	0.144 \| good
2026-01-24T05:00:00.000Z	18 \| good	3.157 \| good	13.792 \| good	19.079 \| good	0.358 \| good	2.142 \| good	0.144 \| good
2026-01-24T06:00:00.000Z	18 \| good	2.716 \| good	11.051 \| good	18.886 \| good	0.361 \| good	2.082 \| good	0.144 \| good
2026-01-24T07:00:00.000Z	18 \| good	3.249 \| good	13.805 \| good	18.952 \| good	0.358 \| good	2.055 \| good	0.145 \| good
2026-01-24T08:00:00.000Z	17 \| good	2.766 \| good	11.739 \| good	17.887 \| good	0.355 \| good	2.028 \| good	0.145 \| good
2026-01-24T09:00:00.000Z	18 \| good	2.356 \| good	9.843 \| good	18.934 \| good	0.352 \| good	2.001 \| good	0.145 \| good
2026-01-24T10:00:00.000Z	16 \| good	3.063 \| good	12.149 \| good	16.243 \| good	0.394 \| good	2.232 \| good	0.148 \| good
2026-01-24T11:00:00.000Z	16 \| good	3.017 \| good	12.422 \| good	17.161 \| good	0.436 \| good	2.463 \| good	0.15 \| good
2026-01-24T12:00:00.000Z	27 \| good	5.366 \| good	23 \| good	17.51 \| good	0.477 \| good	2.693 \| good	0.153 \| good
2026-01-24T13:00:00.000Z	27 \| good	5.48 \| good	23.284 \| good	17.603 \| good	0.618 \| good	2.985 \| good	0.157 \| good
2026-01-24T14:00:00.000Z	33 \| good	5.741 \| good	25.017 \| good	21.476 \| good	0.758 \| good	3.278 \| good	0.161 \| good
2026-01-24T15:00:00.000Z	33 \| good	6.152 \| good	27.126 \| good	21.276 \| good	0.899 \| good	3.57 \| good	0.165 \| good
2026-01-24T16:00:00.000Z	33 \| good	5.59 \| good	24.047 \| good	19.151 \| good	1.031 \| good	3.539 \| good	0.165 \| good
2026-01-24T17:00:00.000Z	27 \| good	5.206 \| good	22.658 \| good	19.946 \| good	1.163 \| good	3.508 \| good	0.164 \| good
2026-01-24T18:00:00.000Z	27 \| good	5.392 \| good	23.067 \| good	21.389 \| good	1.295 \| good	3.477 \| good	0.163 \| good
2026-01-24T19:00:00.000Z	27 \| good	5.499 \| good	23.803 \| good	23.446 \| good	1.457 \| good	3.677 \| good	0.164 \| good
2026-01-24T20:00:00.000Z	27 \| good	5.423 \| good	23.05 \| good	24.342 \| good	1.618 \| good	3.878 \| good	0.164 \| good
2026-01-24T21:00:00.000Z	27 \| good	4.687 \| good	20.676 \| good	23.539 \| good	1.78 \| good	4.078 \| good	0.164 \| good
2026-01-24T22:00:00.000Z	38 \| good	6.811 \| good	30.035 \| good	21.145 \| good	1.851 \| good	4.84 \| good	0.169 \| good
2026-01-24T23:00:00.000Z	44 \| good	7.538 \| good	32.978 \| good	17.282 \| good	1.923 \| good	5.602 \| good	0.173 \| good
2026-01-25T00:00:00.000Z	23 \| good	4.488 \| good	4.722 \| good	25.394 \| good	1.968 \| good	6.363 \| good	0.178 \| good
2026-01-25T01:00:00.000Z	38 \| good	7.485 \| good	32.884 \| good	15.915 \| good	1.986 \| good	6.665 \| good	0.181 \| good
2026-01-25T02:00:00.000Z	44 \| good	7.554 \| good	33.61 \| good	14.465 \| good	1.978 \| good	6.965 \| good	0.185 \| good
2026-01-25T03:00:00.000Z	33 \| good	6.138 \| good	27.365 \| good	15.053 \| good	1.97 \| good	7.265 \| good	0.189 \| good
2026-01-25T04:00:00.000Z	44 \| good	7.621 \| good	33.66 \| good	15.773 \| good	1.978 \| good	7.122 \| good	0.189 \| good
2026-01-25T05:00:00.000Z	49 \| good	8.851 \| good	38.991 \| good	11.715 \| good	1.985 \| good	6.98 \| good	0.189 \| good

Westerville

Empower business decisions with accurate air quality data

Westerville, Ohio air quality map: Real-time AQI near you

0.20ppm

How accurate is Ohio, USA air quality data?

Air quality measurements for Ohio, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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Frequently asked questions

How frequently is the air quality data for Westerville, Ohio updated?

Air quality data for Westerville, Ohio is updated on an hourly basis.

When did Westerville, Ohio experience the worst air quality in the last 24 hours?

The worst air quality in Westerville, Ohio was recorded at 09:00:00 on 2026-01-22.

When did Westerville, Ohio have its best air quality in the last 24 hours?

The best air quality in Westerville, Ohio was recorded at 05:00:00 on 2026-01-22.

What is the real-time air quality index for Westerville, Ohio?

The real-time air quality index in Westerville, Ohio is 33, currently categorized as Good.

Which pollutant is found most often in Westerville, Ohio?

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

What can I do if the air quality in Westerville, Ohio is poor?

If the air quality in Westerville, Ohio is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Westerville, Ohio?

The measured PM_2.5 levels in Westerville, Ohio at present are 5.632 μg/m³.

What are the current PM₁₀ levels at Westerville, Ohio?

The current PM₁₀ levels in Westerville, Ohio are 20.885 μg/m³.

What are the current carbon monoxide (CO) levels at Westerville, Ohio?

The current carbon monoxide (CO) level in Westerville, Ohio is 0.211 ppm.

What are the current sulfur dioxide (SO₂) levels at Westerville, Ohio?

The current sulfur dioxide (SO₂) levels in Westerville, Ohio are 1.692 ppb.

What are the current ozone (O₃) levels at Westerville, Ohio?

The current ozone (O₃) levels at Westerville, Ohio is 23.549 ppm.

What are the current nitrogen dioxide (NO₂) levels at Westerville, Ohio?

The current nitrogen dioxide (NO₂) levels at Westerville, Ohio is 8.462 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T06:00:00.000Z	38 \| good	6.832 \| good	23.698 \| good	13.144 \| good	1.958 \| good	15.625 \| good	0.289 \| good
2026-01-21T07:00:00.000Z	38 \| good	7.057 \| good	22.623 \| good	14.202 \| good	2.156 \| good	14.648 \| good	0.205 \| good
2026-01-21T08:00:00.000Z	38 \| good	6.552 \| good	20.589 \| good	12.47 \| good	1.944 \| good	17.132 \| good	0.2 \| good
2026-01-21T09:00:00.000Z	38 \| good	6.567 \| good	20.731 \| good	18.845 \| good	2.037 \| good	22.963 \| good	0.205 \| good
2026-01-21T10:00:00.000Z	33 \| good	6.174 \| good	18.604 \| good	21.803 \| good	1.826 \| good	17.841 \| good	0.205 \| good
2026-01-21T11:00:00.000Z	27 \| good	5.347 \| good	15.751 \| good	21.001 \| good	2.027 \| good	15.316 \| good	0.2 \| good
2026-01-21T12:00:00.000Z	27 \| good	4.941 \| good	14.518 \| good	20.075 \| good	2.03 \| good	15.199 \| good	0.228 \| good
2026-01-21T13:00:00.000Z	27 \| good	5.323 \| good	17.18 \| good	21.714 \| good	2.215 \| good	14.758 \| good	0.323 \| good
2026-01-21T14:00:00.000Z	27 \| good	5.365 \| good	19.53 \| good	23.655 \| good	2.226 \| good	15.54 \| good	0.3 \| good
2026-01-21T15:00:00.000Z	27 \| good	5.338 \| good	21.6 \| good	20.434 \| good	2.476 \| good	14.885 \| good	0.283 \| good
2026-01-21T16:00:00.000Z	27 \| good	5.404 \| good	28.121 \| good	26.034 \| good	3.219 \| good	10.86 \| good	0.206 \| good
2026-01-21T17:00:00.000Z	33 \| good	5.798 \| good	34.715 \| good	26.312 \| good	4.41 \| good	9.932 \| good	0.206 \| good
2026-01-21T18:00:00.000Z	38 \| good	7.022 \| good	32.149 \| good	28.678 \| good	4.185 \| good	8.407 \| good	0.206 \| good
2026-01-21T19:00:00.000Z	49 \| good	8.682 \| good	27.987 \| good	26.955 \| good	2.801 \| good	7.32 \| good	0.2 \| good
2026-01-21T20:00:00.000Z	54 \| moderate	10.568 \| good	27.796 \| good	26.796 \| good	2.795 \| good	7.301 \| good	0.206 \| good
2026-01-21T21:00:00.000Z	56 \| moderate	11.75 \| good	29.259 \| good	25.042 \| good	2.16 \| good	7.816 \| good	0.2 \| good
2026-01-21T22:00:00.000Z	56 \| moderate	12.201 \| fine	28.303 \| good	24.564 \| good	2.594 \| good	6.567 \| good	0.206 \| good
2026-01-21T23:00:00.000Z	58 \| moderate	13.231 \| fine	27.917 \| good	23.663 \| good	2.393 \| good	7.672 \| good	0.211 \| good
2026-01-22T00:00:00.000Z	60 \| moderate	14.466 \| fine	28.65 \| good	25.96 \| good	2.134 \| good	7.534 \| good	0.211 \| good
2026-01-22T01:00:00.000Z	64 \| moderate	15.566 \| fine	29.801 \| good	26.15 \| good	1.437 \| good	8.212 \| good	0.211 \| good
2026-01-22T02:00:00.000Z	66 \| moderate	17.273 \| fine	33.235 \| good	25.729 \| good	1.435 \| good	7.151 \| good	0.211 \| good
2026-01-22T03:00:00.000Z	67 \| moderate	17.858 \| fine	32.828 \| good	23.333 \| good	1.609 \| good	6.079 \| good	0.211 \| good
2026-01-22T04:00:00.000Z	69 \| moderate	18.98 \| fine	35.004 \| good	25.256 \| good	1.644 \| good	5.773 \| good	0.211 \| good
2026-01-22T05:00:00.000Z	69 \| moderate	19.437 \| fine	35.449 \| good	27.285 \| good	1.761 \| good	5.685 \| good	0.206 \| good
2026-01-22T06:00:00.000Z	69 \| moderate	19.158 \| fine	35.01 \| good	27.947 \| good	1.797 \| good	10.566 \| good	0.194 \| good
2026-01-22T07:00:00.000Z	71 \| moderate	20.13 \| fine	37.066 \| good	27.458 \| good	1.882 \| good	8.818 \| good	0.2 \| good
2026-01-22T08:00:00.000Z	73 \| moderate	21.227 \| fine	38.866 \| good	26.137 \| good	1.887 \| good	6.105 \| good	0.2 \| good
2026-01-22T09:00:00.000Z	75 \| moderate	21.585 \| fine	39.94 \| good	25.586 \| good	1.874 \| good	5.342 \| good	0.194 \| good
2026-01-22T10:00:00.000Z	73 \| moderate	21.209 \| fine	39.82 \| good	26.228 \| good	1.902 \| good	3.279 \| good	0.117 \| good
2026-01-22T11:00:00.000Z	64 \| moderate	16.062 \| fine	36.12 \| good	30.472 \| good	1.94 \| good	2.617 \| good	0.194 \| good
2026-01-22T12:00:00.000Z	54 \| moderate	10.678 \| good	30.638 \| good	28.141 \| good	1.642 \| good	1.627 \| good	0.122 \| good
2026-01-22T13:00:00.000Z	44 \| good	7.51 \| good	23.359 \| good	28.106 \| good	1.676 \| good	5.224 \| good	0.194 \| good
2026-01-22T14:00:00.000Z	33 \| good	6.309 \| good	19.705 \| good	28.54 \| good	4.888 \| good	6.854 \| good	0.206 \| good
2026-01-22T15:00:00.000Z	33 \| good	5.887 \| good	19.066 \| good	28.082 \| good	6.25 \| good	9.523 \| good	0.2 \| good
2026-01-22T16:00:00.000Z	33 \| good	5.512 \| good	19.473 \| good	28.292 \| good	4.486 \| good	5.939 \| good	0.2 \| good
2026-01-22T17:00:00.000Z	27 \| good	5.191 \| good	20.174 \| good	28.571 \| good	2.642 \| good	4.803 \| good	0.194 \| good
2026-01-22T18:00:00.000Z	28 \| good	5.001 \| good	19.717 \| good	30.43 \| good	2.833 \| good	6.398 \| good	0.194 \| good
2026-01-22T19:00:00.000Z	30 \| good	4.664 \| good	19.435 \| good	32.374 \| good	3.04 \| good	6.58 \| good	0.189 \| good
2026-01-22T20:00:00.000Z	31 \| good	4.33 \| good	17.42 \| good	32.623 \| good	3.002 \| good	5.815 \| good	0.189 \| good
2026-01-22T21:00:00.000Z	31 \| good	4.387 \| good	19.049 \| good	32.666 \| good	2.513 \| good	7.338 \| good	0.194 \| good
2026-01-22T22:00:00.000Z	31 \| good	4.548 \| good	19.431 \| good	32.624 \| good	2.092 \| good	7.889 \| good	0.278 \| good
2026-01-22T23:00:00.000Z	28 \| good	4.884 \| good	21.202 \| good	29.776 \| good	2.631 \| good	11.138 \| good	0.272 \| good
2026-01-23T00:00:00.000Z	33 \| good	6.067 \| good	22.239 \| good	31.628 \| good	3.536 \| good	11.984 \| good	0.272 \| good
2026-01-23T01:00:00.000Z	33 \| good	5.799 \| good	21.883 \| good	27.412 \| good	2.049 \| good	12.371 \| good	0.294 \| good
2026-01-23T02:00:00.000Z	33 \| good	6.097 \| good	23.054 \| good	23.67 \| good	1.87 \| good	12.131 \| good	0.311 \| good
2026-01-23T03:00:00.000Z	33 \| good	6.039 \| good	22.443 \| good	24.008 \| good	1.918 \| good	11.092 \| good	0.233 \| good
2026-01-23T04:00:00.000Z	33 \| good	5.632 \| good	20.885 \| good	23.549 \| good	1.692 \| good	8.462 \| good	0.211 \| good
2026-01-23T05:00:00.000Z	33 \| good	5.632 \| good	20.885 \| good	23.549 \| good	1.692 \| good	8.462 \| good	0.211 \| good
2026-01-23T06:00:00.000Z	19 \| good	3.12 \| good	13.494 \| good	20.343 \| good	1.734 \| good	4.79 \| good	0.195 \| good
2026-01-23T07:00:00.000Z	22 \| good	4.426 \| good	19.136 \| good	21.188 \| good	1.638 \| good	4.278 \| good	0.192 \| good
2026-01-23T08:00:00.000Z	27 \| good	5.497 \| good	23.812 \| good	24.012 \| good	1.543 \| good	3.767 \| good	0.188 \| good
2026-01-23T09:00:00.000Z	27 \| good	4.565 \| good	19.847 \| good	26.517 \| good	1.447 \| good	3.255 \| good	0.185 \| good
2026-01-23T10:00:00.000Z	25 \| good	4.155 \| good	18.53 \| good	27.41 \| good	1.156 \| good	2.862 \| good	0.175 \| good
2026-01-23T11:00:00.000Z	29 \| good	2.314 \| good	9.661 \| good	31.267 \| good	0.865 \| good	2.469 \| good	0.165 \| good
2026-01-23T12:00:00.000Z	27 \| good	4.046 \| good	17.799 \| good	29.356 \| good	0.574 \| good	2.076 \| good	0.155 \| good
2026-01-23T13:00:00.000Z	26 \| good	3.565 \| good	15.804 \| good	27.713 \| good	0.504 \| good	1.877 \| good	0.152 \| good
2026-01-23T14:00:00.000Z	24 \| good	2.733 \| good	10.947 \| good	26.44 \| good	0.433 \| good	1.678 \| good	0.149 \| good
2026-01-23T15:00:00.000Z	23 \| good	2.584 \| good	10.725 \| good	25.226 \| good	0.363 \| good	1.48 \| good	0.145 \| good
2026-01-23T16:00:00.000Z	20 \| good	3.067 \| good	12.303 \| good	22.125 \| good	0.33 \| good	1.284 \| good	0.145 \| good
2026-01-23T17:00:00.000Z	19 \| good	3.242 \| good	14.074 \| good	20.877 \| good	0.298 \| good	1.087 \| good	0.145 \| good
2026-01-23T18:00:00.000Z	22 \| good	3.732 \| good	16.132 \| good	20.072 \| good	0.265 \| good	0.891 \| good	0.145 \| good
2026-01-23T19:00:00.000Z	22 \| good	3.59 \| good	15.952 \| good	18.123 \| good	0.263 \| good	0.932 \| good	0.143 \| good
2026-01-23T20:00:00.000Z	18 \| good	3.396 \| good	15.043 \| good	19.121 \| good	0.261 \| good	0.972 \| good	0.14 \| good
2026-01-23T21:00:00.000Z	22 \| good	3.514 \| good	15.765 \| good	21.563 \| good	0.259 \| good	1.012 \| good	0.138 \| good
2026-01-23T22:00:00.000Z	22 \| good	4.245 \| good	18.778 \| good	22.281 \| good	0.27 \| good	1.374 \| good	0.139 \| good
2026-01-23T23:00:00.000Z	27 \| good	4.681 \| good	20.707 \| good	21.984 \| good	0.281 \| good	1.737 \| good	0.14 \| good
2026-01-24T00:00:00.000Z	21 \| good	2.543 \| good	10.121 \| good	22.946 \| good	0.292 \| good	2.099 \| good	0.141 \| good
2026-01-24T01:00:00.000Z	20 \| good	2.955 \| good	12.071 \| good	21.912 \| good	0.312 \| good	2.154 \| good	0.142 \| good
2026-01-24T02:00:00.000Z	18 \| good	1.816 \| good	7.765 \| good	18.575 \| good	0.332 \| good	2.208 \| good	0.142 \| good
2026-01-24T03:00:00.000Z	15 \| good	1.304 \| good	5.091 \| good	16.41 \| good	0.351 \| good	2.263 \| good	0.143 \| good
2026-01-24T04:00:00.000Z	17 \| good	1.997 \| good	8.028 \| good	18.371 \| good	0.355 \| good	2.203 \| good	0.144 \| good
2026-01-24T05:00:00.000Z	18 \| good	3.157 \| good	13.792 \| good	19.079 \| good	0.358 \| good	2.142 \| good	0.144 \| good
2026-01-24T06:00:00.000Z	18 \| good	2.716 \| good	11.051 \| good	18.886 \| good	0.361 \| good	2.082 \| good	0.144 \| good
2026-01-24T07:00:00.000Z	18 \| good	3.249 \| good	13.805 \| good	18.952 \| good	0.358 \| good	2.055 \| good	0.145 \| good
2026-01-24T08:00:00.000Z	17 \| good	2.766 \| good	11.739 \| good	17.887 \| good	0.355 \| good	2.028 \| good	0.145 \| good
2026-01-24T09:00:00.000Z	18 \| good	2.356 \| good	9.843 \| good	18.934 \| good	0.352 \| good	2.001 \| good	0.145 \| good
2026-01-24T10:00:00.000Z	16 \| good	3.063 \| good	12.149 \| good	16.243 \| good	0.394 \| good	2.232 \| good	0.148 \| good
2026-01-24T11:00:00.000Z	16 \| good	3.017 \| good	12.422 \| good	17.161 \| good	0.436 \| good	2.463 \| good	0.15 \| good
2026-01-24T12:00:00.000Z	27 \| good	5.366 \| good	23 \| good	17.51 \| good	0.477 \| good	2.693 \| good	0.153 \| good
2026-01-24T13:00:00.000Z	27 \| good	5.48 \| good	23.284 \| good	17.603 \| good	0.618 \| good	2.985 \| good	0.157 \| good
2026-01-24T14:00:00.000Z	33 \| good	5.741 \| good	25.017 \| good	21.476 \| good	0.758 \| good	3.278 \| good	0.161 \| good
2026-01-24T15:00:00.000Z	33 \| good	6.152 \| good	27.126 \| good	21.276 \| good	0.899 \| good	3.57 \| good	0.165 \| good
2026-01-24T16:00:00.000Z	33 \| good	5.59 \| good	24.047 \| good	19.151 \| good	1.031 \| good	3.539 \| good	0.165 \| good
2026-01-24T17:00:00.000Z	27 \| good	5.206 \| good	22.658 \| good	19.946 \| good	1.163 \| good	3.508 \| good	0.164 \| good
2026-01-24T18:00:00.000Z	27 \| good	5.392 \| good	23.067 \| good	21.389 \| good	1.295 \| good	3.477 \| good	0.163 \| good
2026-01-24T19:00:00.000Z	27 \| good	5.499 \| good	23.803 \| good	23.446 \| good	1.457 \| good	3.677 \| good	0.164 \| good
2026-01-24T20:00:00.000Z	27 \| good	5.423 \| good	23.05 \| good	24.342 \| good	1.618 \| good	3.878 \| good	0.164 \| good
2026-01-24T21:00:00.000Z	27 \| good	4.687 \| good	20.676 \| good	23.539 \| good	1.78 \| good	4.078 \| good	0.164 \| good
2026-01-24T22:00:00.000Z	38 \| good	6.811 \| good	30.035 \| good	21.145 \| good	1.851 \| good	4.84 \| good	0.169 \| good
2026-01-24T23:00:00.000Z	44 \| good	7.538 \| good	32.978 \| good	17.282 \| good	1.923 \| good	5.602 \| good	0.173 \| good
2026-01-25T00:00:00.000Z	23 \| good	4.488 \| good	4.722 \| good	25.394 \| good	1.968 \| good	6.363 \| good	0.178 \| good
2026-01-25T01:00:00.000Z	38 \| good	7.485 \| good	32.884 \| good	15.915 \| good	1.986 \| good	6.665 \| good	0.181 \| good
2026-01-25T02:00:00.000Z	44 \| good	7.554 \| good	33.61 \| good	14.465 \| good	1.978 \| good	6.965 \| good	0.185 \| good
2026-01-25T03:00:00.000Z	33 \| good	6.138 \| good	27.365 \| good	15.053 \| good	1.97 \| good	7.265 \| good	0.189 \| good
2026-01-25T04:00:00.000Z	44 \| good	7.621 \| good	33.66 \| good	15.773 \| good	1.978 \| good	7.122 \| good	0.189 \| good
2026-01-25T05:00:00.000Z	49 \| good	8.851 \| good	38.991 \| good	11.715 \| good	1.985 \| good	6.98 \| good	0.189 \| good

Real-time air quality index in Westerville, Ohio today

Common air pollutants in Westerville, Ohio

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Westerville, Ohio air quality forecast and history

Empower business decisions with accurate air quality data

Westerville, Ohio air quality map: Real-time AQI near you

Air quality in nearby cities

Worthington, Ohio

New Albany, Ohio

Powell, Ohio

Gahanna, Ohio

Upper Arlington, Ohio

Dublin, Ohio

How accurate is Ohio, USA air quality data?

Air quality levels in US

Frequently asked questions

How frequently is the air quality data for Westerville, Ohio updated?

When did Westerville, Ohio experience the worst air quality in the last 24 hours?

When did Westerville, Ohio have its best air quality in the last 24 hours?

What is the real-time air quality index for Westerville, Ohio?

Which pollutant is found most often in Westerville, Ohio?

What can I do if the air quality in Westerville, Ohio is poor?

What are the current PM2.5 levels in Westerville, Ohio?

What are the current PM10 levels at Westerville, Ohio?

What are the current carbon monoxide (CO) levels at Westerville, Ohio?

What are the current sulfur dioxide (SO2) levels at Westerville, Ohio?

What are the current ozone (O3) levels at Westerville, Ohio?

What are the current nitrogen dioxide (NO2) levels at Westerville, Ohio?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What are the current PM_2.5 levels in Westerville, Ohio?

What are the current PM₁₀ levels at Westerville, Ohio?

What are the current sulfur dioxide (SO₂) levels at Westerville, Ohio?

What are the current ozone (O₃) levels at Westerville, Ohio?

What are the current nitrogen dioxide (NO₂) levels at Westerville, Ohio?