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

The current PM10 concentration at Dayton, Ohio is 12.005 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Dayton, Ohio is 1.392 ppb.

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

The current ozone (O3) concentration at Dayton, Ohio is 27.872 ppm.

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

The current nitrogen dioxide (NO2) concentration at Dayton, Ohio is 11.242 ppb.

Dayton, Ohio live air quality index now

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

The current PM2.5 concentration at Dayton, Ohio is 3.9 μg/m3.

Stay updated with real-time air quality in Dayton, 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

Dayton, Ohio

Last updated: ... (Local time)

Major air pollutants in Dayton, Ohio

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.90 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

12.01 μg/m³

155

255

425

605+

Ozone (O₃)

27.87 ppb

201

201+

Sulfur Dioxide (SO₂)

1.39 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

11.24 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Dayton, Ohio

Scroll To Air Quality Map

Track live Dayton, Ohio air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T15:00:00.000Z	33 \| good	6.396 \| good	32.043 \| good	21.461 \| good	1.954 \| good	19.35 \| good	0.245 \| good
2026-01-21T16:00:00.000Z	38 \| good	6.754 \| good	36.283 \| good	24.872 \| good	1.928 \| good	10.562 \| good	0.208 \| good
2026-01-21T17:00:00.000Z	44 \| good	7.74 \| good	35.333 \| good	26.341 \| good	2.09 \| good	9.286 \| good	0.208 \| good
2026-01-21T18:00:00.000Z	49 \| good	9.364 \| good	34.096 \| good	28.312 \| good	1.999 \| good	9.463 \| good	0.2 \| good
2026-01-21T19:00:00.000Z	54 \| moderate	10.703 \| good	32.556 \| good	29.614 \| good	2.003 \| good	10.037 \| good	0.2 \| good
2026-01-21T20:00:00.000Z	54 \| moderate	11.215 \| good	30.07 \| good	26.589 \| good	1.936 \| good	9.596 \| good	0.232 \| good
2026-01-21T21:00:00.000Z	54 \| moderate	11.431 \| good	31.699 \| good	26.273 \| good	1.661 \| good	8.612 \| good	0.2 \| good
2026-01-21T22:00:00.000Z	56 \| moderate	12.232 \| fine	35.496 \| good	26.637 \| good	1.739 \| good	8.117 \| good	0.225 \| good
2026-01-21T23:00:00.000Z	58 \| moderate	12.793 \| fine	33.306 \| good	27.834 \| good	1.694 \| good	9.262 \| good	0.225 \| good
2026-01-22T00:00:00.000Z	62 \| moderate	14.557 \| fine	34.386 \| good	30.422 \| good	1.684 \| good	11.94 \| good	0.225 \| good
2026-01-22T01:00:00.000Z	66 \| moderate	16.969 \| fine	40.169 \| good	29.946 \| good	1.31 \| good	11.39 \| good	0.225 \| good
2026-01-22T02:00:00.000Z	66 \| moderate	16.767 \| fine	35.403 \| good	28.692 \| good	1.316 \| good	9.723 \| good	0.225 \| good
2026-01-22T03:00:00.000Z	69 \| moderate	18.725 \| fine	41.556 \| good	26.799 \| good	1.915 \| good	10.906 \| good	0.225 \| good
2026-01-22T04:00:00.000Z	67 \| moderate	17.719 \| fine	37.549 \| good	27.709 \| good	1.95 \| good	9.694 \| good	0.225 \| good
2026-01-22T05:00:00.000Z	66 \| moderate	17.339 \| fine	34.843 \| good	24.269 \| good	1.375 \| good	9.463 \| good	0.2 \| good
2026-01-22T06:00:00.000Z	66 \| moderate	17.346 \| fine	34.613 \| good	24.82 \| good	1.389 \| good	9.359 \| good	0.17 \| good
2026-01-22T07:00:00.000Z	67 \| moderate	18.104 \| fine	34.053 \| good	25.191 \| good	1.383 \| good	7.914 \| good	0.2 \| good
2026-01-22T08:00:00.000Z	69 \| moderate	19.061 \| fine	36.463 \| good	25.643 \| good	1.782 \| good	7.495 \| good	0.2 \| good
2026-01-22T09:00:00.000Z	71 \| moderate	19.629 \| fine	34.766 \| good	27.953 \| good	1.382 \| good	7.914 \| good	0.17 \| good
2026-01-22T10:00:00.000Z	64 \| moderate	16.473 \| fine	35.396 \| good	27.905 \| good	1.441 \| good	4.754 \| good	0.158 \| good
2026-01-22T11:00:00.000Z	56 \| moderate	11.711 \| good	35.7 \| good	29.553 \| good	1.454 \| good	4.833 \| good	0.17 \| good
2026-01-22T12:00:00.000Z	44 \| good	8.19 \| good	27.46 \| good	29.073 \| good	1.604 \| good	5.157 \| good	0.175 \| good
2026-01-22T13:00:00.000Z	33 \| good	6.433 \| good	22.253 \| good	28.13 \| good	1.309 \| good	7.006 \| good	0.17 \| good
2026-01-22T14:00:00.000Z	33 \| good	5.646 \| good	23.31 \| good	28.163 \| good	1.302 \| good	9.058 \| good	0.225 \| good
2026-01-22T15:00:00.000Z	33 \| good	5.673 \| good	28.217 \| good	27.76 \| good	1.305 \| good	11.723 \| good	0.195 \| good
2026-01-22T16:00:00.000Z	27 \| good	5.454 \| good	27.44 \| good	26.939 \| good	1.374 \| good	9.445 \| good	0.202 \| good
2026-01-22T17:00:00.000Z	27 \| good	5.102 \| good	24.664 \| good	29.036 \| good	1.391 \| good	6.461 \| good	0.17 \| good
2026-01-22T18:00:00.000Z	29 \| good	4.713 \| good	22.574 \| good	31.292 \| good	1.395 \| good	7.195 \| good	0.17 \| good
2026-01-22T19:00:00.000Z	30 \| good	4.584 \| good	23.97 \| good	32.088 \| good	1.478 \| good	7.835 \| good	0.163 \| good
2026-01-22T20:00:00.000Z	29 \| good	4.653 \| good	24.814 \| good	31.245 \| good	1.283 \| good	7.868 \| good	0.17 \| good
2026-01-22T21:00:00.000Z	30 \| good	4.646 \| good	24.814 \| good	31.812 \| good	1.742 \| good	8.02 \| good	0.2 \| good
2026-01-22T22:00:00.000Z	30 \| good	4.753 \| good	24.037 \| good	32.499 \| good	1.567 \| good	9.008 \| good	0.205 \| good
2026-01-22T23:00:00.000Z	28 \| good	4.85 \| good	22.817 \| good	29.732 \| good	1.845 \| good	11.189 \| good	0.182 \| good
2026-01-23T00:00:00.000Z	29 \| good	5.026 \| good	23.907 \| good	30.588 \| good	1.432 \| good	13.055 \| good	0.237 \| good
2026-01-23T01:00:00.000Z	27 \| good	5.127 \| good	22.667 \| good	27.469 \| good	1.322 \| good	15.273 \| good	0.297 \| good
2026-01-23T02:00:00.000Z	27 \| good	5.134 \| good	22.667 \| good	26.097 \| good	1.301 \| good	16.666 \| good	0.386 \| good
2026-01-23T03:00:00.000Z	33 \| good	5.573 \| good	23.32 \| good	21.82 \| good	1.382 \| good	21.099 \| good	0.354 \| good
2026-01-23T04:00:00.000Z	33 \| good	6.364 \| good	24.953 \| good	23.064 \| good	1.278 \| good	19.356 \| good	0.268 \| good
2026-01-23T05:00:00.000Z	33 \| good	6.373 \| good	22.693 \| good	25.781 \| good	1.301 \| good	14.553 \| good	0.235 \| good
2026-01-23T06:00:00.000Z	33 \| good	6.432 \| good	21.39 \| good	24.025 \| good	1.783 \| good	14.861 \| good	0.225 \| good
2026-01-23T07:00:00.000Z	33 \| good	5.909 \| good	18.63 \| good	27.15 \| good	1.397 \| good	14.643 \| good	0.225 \| good
2026-01-23T08:00:00.000Z	33 \| good	5.699 \| good	16.936 \| good	29.707 \| good	1.377 \| good	17.53 \| good	0.212 \| good
2026-01-23T09:00:00.000Z	30 \| good	5.496 \| good	15.713 \| good	31.602 \| good	1.457 \| good	16.769 \| good	0.237 \| good
2026-01-23T10:00:00.000Z	29 \| good	4.894 \| good	14.4 \| good	31.312 \| good	1.338 \| good	11.669 \| good	0.22 \| good
2026-01-23T11:00:00.000Z	29 \| good	4.555 \| good	13.706 \| good	30.699 \| good	1.323 \| good	13.328 \| good	0.244 \| good
2026-01-23T12:00:00.000Z	23 \| good	4.252 \| good	13.477 \| good	25.354 \| good	2.008 \| good	11.986 \| good	0.29 \| good
2026-01-23T13:00:00.000Z	25 \| good	4.031 \| good	13.873 \| good	26.967 \| good	1.313 \| good	9.312 \| good	0.227 \| good
2026-01-23T14:00:00.000Z	26 \| good	3.916 \| good	13.007 \| good	27.826 \| good	1.309 \| good	11.457 \| good	0.245 \| good
2026-01-23T14:00:00.000Z	26 \| good	3.9 \| good	12.005 \| good	27.872 \| good	1.392 \| good	11.242 \| good	0.239 \| good
2026-01-23T15:00:00.000Z	27 \| good	5.105 \| good	22.116 \| good	22.17 \| good	0.728 \| good	1.794 \| good	0.173 \| good
2026-01-23T16:00:00.000Z	27 \| good	4.699 \| good	20.859 \| good	22.2 \| good	0.678 \| good	1.739 \| good	0.173 \| good
2026-01-23T17:00:00.000Z	22 \| good	4.333 \| good	19 \| good	21.658 \| good	0.629 \| good	1.684 \| good	0.174 \| good
2026-01-23T18:00:00.000Z	27 \| good	4.623 \| good	19.94 \| good	22.024 \| good	0.579 \| good	1.629 \| good	0.175 \| good
2026-01-23T19:00:00.000Z	22 \| good	4.417 \| good	19.008 \| good	21.711 \| good	0.537 \| good	1.664 \| good	0.173 \| good
2026-01-23T20:00:00.000Z	22 \| good	4.202 \| good	18.66 \| good	21.486 \| good	0.495 \| good	1.699 \| good	0.171 \| good
2026-01-23T21:00:00.000Z	22 \| good	4.25 \| good	18.72 \| good	21.414 \| good	0.453 \| good	1.734 \| good	0.169 \| good
2026-01-23T22:00:00.000Z	22 \| good	4.127 \| good	17.926 \| good	18.773 \| good	0.436 \| good	2.016 \| good	0.167 \| good
2026-01-23T23:00:00.000Z	22 \| good	3.645 \| good	15.964 \| good	16.559 \| good	0.419 \| good	2.298 \| good	0.165 \| good
2026-01-24T00:00:00.000Z	22 \| good	3.96 \| good	17 \| good	15.767 \| good	0.403 \| good	2.579 \| good	0.162 \| good
2026-01-24T01:00:00.000Z	22 \| good	4.129 \| good	18.114 \| good	16.739 \| good	0.404 \| good	2.495 \| good	0.16 \| good
2026-01-24T02:00:00.000Z	16 \| good	3.141 \| good	13.559 \| good	17.009 \| good	0.406 \| good	2.41 \| good	0.158 \| good
2026-01-24T03:00:00.000Z	19 \| good	2.371 \| good	9.768 \| good	20.718 \| good	0.407 \| good	2.326 \| good	0.156 \| good
2026-01-24T04:00:00.000Z	21 \| good	3.12 \| good	13.535 \| good	22.914 \| good	0.406 \| good	2.245 \| good	0.156 \| good
2026-01-24T05:00:00.000Z	22 \| good	3.827 \| good	16.887 \| good	20.789 \| good	0.406 \| good	2.165 \| good	0.155 \| good
2026-01-24T06:00:00.000Z	22 \| good	4.441 \| good	19.071 \| good	21.746 \| good	0.405 \| good	2.085 \| good	0.155 \| good
2026-01-24T07:00:00.000Z	27 \| good	4.889 \| good	21.003 \| good	21.811 \| good	0.414 \| good	2.023 \| good	0.155 \| good
2026-01-24T08:00:00.000Z	22 \| good	3.596 \| good	16.115 \| good	23.508 \| good	0.424 \| good	1.962 \| good	0.156 \| good
2026-01-24T09:00:00.000Z	21 \| good	2.843 \| good	11.964 \| good	23.077 \| good	0.433 \| good	1.901 \| good	0.156 \| good
2026-01-24T10:00:00.000Z	20 \| good	2.956 \| good	12 \| good	22.275 \| good	0.463 \| good	2.002 \| good	0.157 \| good
2026-01-24T11:00:00.000Z	20 \| good	3.363 \| good	14.743 \| good	22.013 \| good	0.493 \| good	2.104 \| good	0.158 \| good
2026-01-24T12:00:00.000Z	20 \| good	2.758 \| good	11.089 \| good	21.628 \| good	0.523 \| good	2.206 \| good	0.159 \| good
2026-01-24T13:00:00.000Z	22 \| good	4.42 \| good	19.484 \| good	18.242 \| good	0.552 \| good	2.404 \| good	0.161 \| good
2026-01-24T14:00:00.000Z	27 \| good	5.129 \| good	22.427 \| good	19.136 \| good	0.581 \| good	2.603 \| good	0.163 \| good
2026-01-24T15:00:00.000Z	27 \| good	5.485 \| good	23.507 \| good	18.861 \| good	0.609 \| good	2.802 \| good	0.165 \| good
2026-01-24T16:00:00.000Z	27 \| good	5.356 \| good	23.242 \| good	20.142 \| good	0.611 \| good	2.778 \| good	0.163 \| good
2026-01-24T17:00:00.000Z	27 \| good	4.59 \| good	20.402 \| good	21.616 \| good	0.613 \| good	2.755 \| good	0.162 \| good
2026-01-24T18:00:00.000Z	22 \| good	4.441 \| good	19.502 \| good	23.718 \| good	0.615 \| good	2.732 \| good	0.16 \| good
2026-01-24T19:00:00.000Z	22 \| good	3.864 \| good	16.806 \| good	24.399 \| good	0.65 \| good	2.995 \| good	0.161 \| good
2026-01-24T20:00:00.000Z	22 \| good	3.873 \| good	16.767 \| good	22.078 \| good	0.684 \| good	3.258 \| good	0.163 \| good
2026-01-24T21:00:00.000Z	22 \| good	3.791 \| good	16.72 \| good	21.409 \| good	0.719 \| good	3.522 \| good	0.164 \| good
2026-01-24T22:00:00.000Z	33 \| good	5.6 \| good	24.06 \| good	18.751 \| good	0.795 \| good	3.983 \| good	0.167 \| good
2026-01-24T23:00:00.000Z	33 \| good	5.634 \| good	24.251 \| good	15.048 \| good	0.872 \| good	4.445 \| good	0.171 \| good
2026-01-25T00:00:00.000Z	38 \| good	6.636 \| good	29.914 \| good	11.415 \| good	0.949 \| good	4.907 \| good	0.175 \| good
2026-01-25T01:00:00.000Z	38 \| good	7.267 \| good	32.111 \| good	11.821 \| good	1.097 \| good	4.99 \| good	0.177 \| good
2026-01-25T02:00:00.000Z	38 \| good	7.418 \| good	32.881 \| good	13.811 \| good	1.246 \| good	5.073 \| good	0.179 \| good
2026-01-25T03:00:00.000Z	44 \| good	7.689 \| good	33.976 \| good	14.525 \| good	1.394 \| good	5.156 \| good	0.181 \| good
2026-01-25T04:00:00.000Z	49 \| good	9.442 \| good	42.141 \| good	15.108 \| good	1.56 \| good	5.232 \| good	0.182 \| good
2026-01-25T05:00:00.000Z	54 \| moderate	11.093 \| good	48.965 \| good	13.494 \| good	1.726 \| good	5.308 \| good	0.183 \| good
2026-01-25T06:00:00.000Z	54 \| moderate	11.096 \| good	48.806 \| good	13.684 \| good	1.891 \| good	5.385 \| good	0.184 \| good
2026-01-25T07:00:00.000Z	54 \| moderate	11.243 \| good	49.698 \| good	12.677 \| good	2.188 \| good	5.37 \| good	0.184 \| good
2026-01-25T08:00:00.000Z	52 \| moderate	9.773 \| good	43.403 \| good	13.98 \| good	2.485 \| good	5.355 \| good	0.185 \| good
2026-01-25T09:00:00.000Z	44 \| good	8.1 \| good	35.435 \| good	12.466 \| good	2.782 \| good	5.34 \| good	0.186 \| good
2026-01-25T10:00:00.000Z	44 \| good	7.752 \| good	34.146 \| good	9.225 \| good	2.743 \| good	5.411 \| good	0.187 \| good
2026-01-25T11:00:00.000Z	49 \| good	8.624 \| good	37.776 \| good	9.707 \| good	2.704 \| good	5.482 \| good	0.188 \| good
2026-01-25T12:00:00.000Z	52 \| moderate	9.899 \| good	43.995 \| good	9.253 \| good	2.664 \| good	5.553 \| good	0.189 \| good
2026-01-25T13:00:00.000Z	52 \| moderate	9.618 \| good	42.974 \| good	9.601 \| good	2.568 \| good	5.667 \| good	0.191 \| good
2026-01-25T14:00:00.000Z	54 \| moderate	10.824 \| good	47.961 \| good	10.817 \| good	2.472 \| good	5.782 \| good	0.194 \| good

Dayton

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Dayton, Ohio air quality map: Track AQI near you

0.21ppm

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 Dayton, Ohio updated?

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

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

The worst air quality in Dayton, Ohio in the last 24 hours was observed at 08:00:00 on 2026-01-23.

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

In the last 24 hrs, the best air quality in Dayton, Ohio was observed at 12:00:00 on 2026-01-23.

What is the current air quality in Dayton, Ohio?

The current air quality in Dayton, Ohio is 26, categorized as Good based on real-time data.

What pollutant is the most common in Dayton, Ohio?

The most common pollutant in Dayton, Ohio is O3.

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

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

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

The current PM_2.5 concentration at Dayton, Ohio is 3.9 μg/m³.

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

The current PM₁₀ concentration at Dayton, Ohio is 12.005 μg/m³.

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

The current carbon monoxide (CO) concentration at Dayton, Ohio is 0.239 ppm.

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

The current sulfur dioxide (SO₂) concentration at Dayton, Ohio is 1.392 ppb.

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

The current ozone (O₃) concentration at Dayton, Ohio is 27.872 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Dayton, Ohio is 11.242 ppb.

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