What is the current level of PM10 in Portsmouth, Ohio?

Portsmouth, Ohio currently has a PM10 concentration of 10.987 μg/m3.

What is the current level of sulfur dioxide (SO2) in Portsmouth, Ohio?

The current sulfur dioxide (SO2) concentration in Portsmouth, Ohio is 1.685 ppb.

What is the current level of ozone (O3) in Portsmouth, Ohio?

Portsmouth, Ohio currently has an ozone (O3) concentration of 11.319 ppm.

What is the current level of nitrogen dioxide (NO2) in Portsmouth, Ohio?

The current level of nitrogen dioxide (NO2) in Portsmouth, Ohio is 6.714 ppb.

Current air quality index in Portsmouth, Ohio today

Q: What is the PM2.5 concentration in Portsmouth, Ohio right now?

Portsmouth, Ohio currently has a PM2.5 concentration of 5.537 μg/m3.

Stay updated with real-time air quality in Portsmouth, 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

Portsmouth, Ohio

Last updated: ... (Local time)

Common air pollutants in Portsmouth, Ohio

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.54 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

10.99 μg/m³

155

255

425

605+

Ozone (O₃)

11.32 ppb

201

201+

Sulfur Dioxide (SO₂)

1.69 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.71 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.27 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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Portsmouth, Ohio

Scroll To Air Quality Map

Track live Portsmouth, Ohio air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-05T13:00:00.000Z	56 \| moderate	11.757 \| good	21.497 \| good	24.355 \| good	1.502 \| good	6.534 \| good	0.288 \| good
2026-09-05T14:00:00.000Z	44 \| good	8.424 \| good	17.425 \| good	26.847 \| good	1.53 \| good	8.427 \| good	0.266 \| good
2026-09-05T15:00:00.000Z	33 \| good	6.226 \| good	14.764 \| good	26.217 \| good	1.517 \| good	9.242 \| good	0.227 \| good
2026-09-05T16:00:00.000Z	27 \| good	5.28 \| good	16.653 \| good	29.324 \| good	1.755 \| good	5.745 \| good	0.19 \| good
2026-09-05T17:00:00.000Z	27 \| good	4.687 \| good	15.517 \| good	27.581 \| good	5.767 \| good	4.938 \| good	0.187 \| good
2026-09-05T18:00:00.000Z	28 \| good	4.351 \| good	14.476 \| good	30.379 \| good	11.274 \| good	4.316 \| good	0.187 \| good
2026-09-05T19:00:00.000Z	38 \| good	3.985 \| good	12.063 \| good	41.484 \| good	6.285 \| good	3.983 \| good	0.223 \| good
2026-09-05T20:00:00.000Z	39 \| good	3.797 \| good	10.404 \| good	41.77 \| good	6.872 \| good	3.625 \| good	0.23 \| good
2026-09-05T21:00:00.000Z	42 \| good	3.581 \| good	10.115 \| good	44.645 \| good	8.894 \| good	4.418 \| good	0.233 \| good
2026-09-05T22:00:00.000Z	40 \| good	3.847 \| good	10.451 \| good	43.427 \| good	6.48 \| good	4.106 \| good	0.248 \| good
2026-09-05T23:00:00.000Z	39 \| good	4.144 \| good	9.814 \| good	42.131 \| good	5.25 \| good	4.22 \| good	0.287 \| good
2026-09-06T00:00:00.000Z	35 \| good	4.273 \| good	9.389 \| good	38.442 \| good	5.417 \| good	5.986 \| good	0.29 \| good
2026-09-06T01:00:00.000Z	34 \| good	4.313 \| good	10.71 \| good	36.708 \| good	1.977 \| good	4.867 \| good	0.226 \| good
2026-09-06T02:00:00.000Z	28 \| good	4.365 \| good	10.683 \| good	29.841 \| good	1.575 \| good	7.681 \| good	0.247 \| good
2026-09-06T03:00:00.000Z	27 \| good	4.791 \| good	20.803 \| good	18.061 \| good	0.256 \| good	1.485 \| good	0.14 \| good
2026-09-06T04:00:00.000Z	27 \| good	5.313 \| good	14.868 \| good	24.703 \| good	1.574 \| good	10.458 \| good	0.328 \| good
2026-09-06T05:00:00.000Z	33 \| good	5.717 \| good	15.248 \| good	19.278 \| good	2.016 \| good	9.089 \| good	0.337 \| good
2026-09-06T06:00:00.000Z	27 \| good	5.444 \| good	15.306 \| good	17.229 \| good	3.31 \| good	8.208 \| good	0.358 \| good
2026-09-06T07:00:00.000Z	27 \| good	5.386 \| good	14.336 \| good	13.802 \| good	1.843 \| good	7.463 \| good	0.294 \| good
2026-09-06T08:00:00.000Z	27 \| good	5.397 \| good	13.561 \| good	9.818 \| good	1.841 \| good	4.932 \| good	0.261 \| good
2026-09-06T09:00:00.000Z	27 \| good	5.25 \| good	13.32 \| good	11.964 \| good	1.722 \| good	5.454 \| good	0.239 \| good
2026-09-06T10:00:00.000Z	27 \| good	5.388 \| good	13.917 \| good	21.682 \| good	1.688 \| good	3.03 \| good	0.239 \| good
2026-09-06T11:00:00.000Z	33 \| good	5.795 \| good	14.57 \| good	18.13 \| good	2.225 \| good	3.486 \| good	0.239 \| good
2026-09-06T12:00:00.000Z	33 \| good	6.312 \| good	15.673 \| good	22.388 \| good	2.421 \| good	3.337 \| good	0.261 \| good
2026-09-06T13:00:00.000Z	38 \| good	6.784 \| good	16.249 \| good	19.274 \| good	2.773 \| good	2.978 \| good	0.251 \| good
2026-09-06T14:00:00.000Z	38 \| good	7.185 \| good	18.524 \| good	20.078 \| good	2.255 \| good	3.869 \| good	0.251 \| good
2026-09-06T15:00:00.000Z	44 \| good	7.523 \| good	16.9 \| good	23.863 \| good	2.558 \| good	3.031 \| good	0.251 \| good
2026-09-06T16:00:00.000Z	44 \| good	7.908 \| good	18.78 \| good	21.312 \| good	3.45 \| good	2.884 \| good	0.273 \| good
2026-09-06T17:00:00.000Z	44 \| good	8.176 \| good	18.617 \| good	25.531 \| good	2.662 \| good	2.982 \| good	0.273 \| good
2026-09-06T18:00:00.000Z	44 \| good	7.936 \| good	17.613 \| good	30.72 \| good	1.881 \| good	3.534 \| good	0.273 \| good
2026-09-06T19:00:00.000Z	38 \| good	7.306 \| good	16.424 \| good	30.009 \| good	1.548 \| good	2.631 \| good	0.282 \| good
2026-09-06T20:00:00.000Z	33 \| good	6.424 \| good	16.939 \| good	34.346 \| good	1.699 \| good	2.594 \| good	0.293 \| good
2026-09-06T21:00:00.000Z	34 \| good	6.018 \| good	14.224 \| good	36.977 \| good	1.866 \| good	2.765 \| good	0.251 \| good
2026-09-06T22:00:00.000Z	35 \| good	6.024 \| good	13.963 \| good	38.031 \| good	1.535 \| good	3.767 \| good	0.273 \| good
2026-09-06T23:00:00.000Z	33 \| good	6.287 \| good	13.909 \| good	34.983 \| good	1.532 \| good	4.181 \| good	0.305 \| good
2026-09-07T00:00:00.000Z	33 \| good	6.23 \| good	13.079 \| good	33.683 \| good	1.532 \| good	4.007 \| good	0.316 \| good
2026-09-07T01:00:00.000Z	33 \| good	5.984 \| good	12.363 \| good	32.813 \| good	1.531 \| good	3.817 \| good	0.294 \| good
2026-09-07T02:00:00.000Z	33 \| good	6.255 \| good	13.404 \| good	28.589 \| good	1.607 \| good	6.868 \| good	0.358 \| good
2026-09-07T03:00:00.000Z	22 \| good	4.418 \| good	19.542 \| good	21.636 \| good	0.405 \| good	1.83 \| good	0.173 \| good
2026-09-07T04:00:00.000Z	33 \| good	6.382 \| good	13.078 \| good	26.664 \| good	2.585 \| good	6.185 \| good	0.401 \| good
2026-09-07T05:00:00.000Z	33 \| good	6.053 \| good	13.45 \| good	21.32 \| good	2.76 \| good	6.462 \| good	0.358 \| good
2026-09-07T06:00:00.000Z	33 \| good	5.83 \| good	12.244 \| good	18.653 \| good	2.055 \| good	5.938 \| good	0.294 \| good
2026-09-07T07:00:00.000Z	33 \| good	5.853 \| good	12.246 \| good	15.218 \| good	1.847 \| good	5.73 \| good	0.251 \| good
2026-09-07T08:00:00.000Z	33 \| good	5.813 \| good	12.342 \| good	12.821 \| good	1.849 \| good	4.915 \| good	0.269 \| good
2026-09-07T09:00:00.000Z	33 \| good	5.782 \| good	12.713 \| good	9.803 \| good	1.522 \| good	5.407 \| good	0.269 \| good
2026-09-07T10:00:00.000Z	33 \| good	5.626 \| good	12.052 \| good	9.442 \| good	1.711 \| good	5.525 \| good	0.268 \| good
2026-09-07T11:00:00.000Z	33 \| good	5.537 \| good	10.987 \| good	11.319 \| good	1.685 \| good	6.714 \| good	0.269 \| good
2026-09-07T12:00:00.000Z	33 \| good	5.537 \| good	10.987 \| good	11.319 \| good	1.685 \| good	6.714 \| good	0.269 \| good
2026-09-07T13:00:00.000Z	44 \| good	7.655 \| good	33.642 \| good	14.569 \| good	0.472 \| good	1.909 \| good	0.17 \| good
2026-09-07T14:00:00.000Z	49 \| good	9.013 \| good	39.747 \| good	22.572 \| good	0.524 \| good	1.175 \| good	0.175 \| good
2026-09-07T15:00:00.000Z	49 \| good	9.226 \| good	41.293 \| good	33.214 \| good	0.683 \| good	0.742 \| good	0.178 \| good
2026-09-07T16:00:00.000Z	44 \| good	8.296 \| good	36.331 \| good	42.518 \| good	0.748 \| good	0.549 \| good	0.18 \| good
2026-09-07T17:00:00.000Z	49 \| good	8.78 \| good	38.857 \| good	46.219 \| good	0.688 \| good	0.459 \| good	0.177 \| good
2026-09-07T18:00:00.000Z	44 \| good	7.37 \| good	32.506 \| good	46.841 \| good	0.639 \| good	0.438 \| good	0.174 \| good
2026-09-07T19:00:00.000Z	44 \| good	7.867 \| good	34.541 \| good	43.914 \| good	0.618 \| good	0.45 \| good	0.173 \| good
2026-09-07T20:00:00.000Z	44 \| good	7.621 \| good	33.378 \| good	44.976 \| good	0.622 \| good	0.461 \| good	0.171 \| good
2026-09-07T21:00:00.000Z	44 \| good	7.589 \| good	33.231 \| good	42.677 \| good	0.625 \| good	0.493 \| good	0.171 \| good
2026-09-07T22:00:00.000Z	44 \| good	8.017 \| good	35.136 \| good	39.564 \| good	0.626 \| good	0.555 \| good	0.171 \| good
2026-09-07T23:00:00.000Z	44 \| good	8.137 \| good	35.762 \| good	34.05 \| good	0.613 \| good	0.797 \| good	0.173 \| good
2026-09-08T00:00:00.000Z	49 \| good	9.045 \| good	40.476 \| good	20.518 \| good	0.596 \| good	1.334 \| good	0.179 \| good
2026-09-08T01:00:00.000Z	49 \| good	9.22 \| good	40.957 \| good	15.671 \| good	0.579 \| good	1.641 \| good	0.183 \| good
2026-09-08T02:00:00.000Z	52 \| moderate	10.224 \| good	45.044 \| good	14.447 \| good	0.567 \| good	1.694 \| good	0.184 \| good
2026-09-08T03:00:00.000Z	54 \| moderate	10.974 \| good	48.275 \| good	13.868 \| good	0.555 \| good	1.74 \| good	0.184 \| good
2026-09-08T04:00:00.000Z	54 \| moderate	10.923 \| good	48.446 \| good	11.608 \| good	0.528 \| good	1.815 \| good	0.185 \| good
2026-09-08T05:00:00.000Z	54 \| moderate	10.708 \| good	47.289 \| good	10.601 \| good	0.476 \| good	1.901 \| good	0.186 \| good
2026-09-08T06:00:00.000Z	54 \| moderate	11.367 \| good	50.514 \| good	8.321 \| good	0.412 \| good	1.968 \| good	0.188 \| good
2026-09-08T07:00:00.000Z	56 \| moderate	11.787 \| good	52.505 \| good	5.697 \| good	0.347 \| good	1.927 \| good	0.188 \| good
2026-09-08T08:00:00.000Z	56 \| moderate	12.483 \| fine	56.122 \| fine	4.462 \| good	0.297 \| good	1.784 \| good	0.187 \| good
2026-09-08T09:00:00.000Z	58 \| moderate	12.72 \| fine	57.801 \| fine	4.025 \| good	0.274 \| good	1.674 \| good	0.185 \| good
2026-09-08T10:00:00.000Z	54 \| moderate	11.486 \| good	50.898 \| good	3.73 \| good	0.271 \| good	1.623 \| good	0.183 \| good
2026-09-08T11:00:00.000Z	56 \| moderate	11.532 \| good	50.872 \| good	3.444 \| good	0.278 \| good	1.644 \| good	0.182 \| good
2026-09-08T12:00:00.000Z	56 \| moderate	11.642 \| good	51.289 \| good	8.336 \| good	0.282 \| good	1.628 \| good	0.185 \| good
2026-09-08T13:00:00.000Z	56 \| moderate	11.867 \| good	52.896 \| good	20.693 \| good	0.297 \| good	1.31 \| good	0.186 \| good
2026-09-08T14:00:00.000Z	54 \| moderate	11.357 \| good	50.143 \| good	31.622 \| good	0.333 \| good	0.935 \| good	0.184 \| good
2026-09-08T15:00:00.000Z	56 \| moderate	11.885 \| good	53.204 \| good	35.767 \| good	0.364 \| good	0.681 \| good	0.179 \| good
2026-09-08T16:00:00.000Z	56 \| moderate	12.345 \| fine	55.181 \| fine	39.44 \| good	0.375 \| good	0.516 \| good	0.173 \| good
2026-09-08T17:00:00.000Z	58 \| moderate	13.258 \| fine	58.929 \| fine	43.394 \| good	0.383 \| good	0.406 \| good	0.171 \| good
2026-09-08T18:00:00.000Z	52 \| moderate	9.836 \| good	43.674 \| good	44.645 \| good	0.37 \| good	0.363 \| good	0.171 \| good
2026-09-08T19:00:00.000Z	40 \| good	7.16 \| good	31.562 \| good	42.982 \| good	0.355 \| good	0.376 \| good	0.173 \| good
2026-09-08T20:00:00.000Z	38 \| good	6.965 \| good	30.716 \| good	37.969 \| good	0.349 \| good	0.387 \| good	0.174 \| good
2026-09-08T21:00:00.000Z	34 \| good	6.353 \| good	28.213 \| good	37.403 \| good	0.335 \| good	0.423 \| good	0.175 \| good
2026-09-08T22:00:00.000Z	33 \| good	6.167 \| good	27.505 \| good	35.341 \| good	0.315 \| good	0.527 \| good	0.177 \| good
2026-09-08T23:00:00.000Z	44 \| good	7.979 \| good	35.123 \| good	32.459 \| good	0.292 \| good	0.968 \| good	0.183 \| good
2026-09-09T00:00:00.000Z	44 \| good	8.39 \| good	36.604 \| good	25.38 \| good	0.267 \| good	2.075 \| good	0.199 \| good
2026-09-09T01:00:00.000Z	52 \| moderate	10.138 \| good	45.254 \| good	23.54 \| good	0.26 \| good	3.116 \| good	0.214 \| good
2026-09-09T02:00:00.000Z	54 \| moderate	10.505 \| good	46.408 \| good	21.489 \| good	0.252 \| good	3.705 \| good	0.224 \| good
2026-09-09T03:00:00.000Z	49 \| good	9.355 \| good	42.037 \| good	19.104 \| good	0.243 \| good	3.947 \| good	0.228 \| good
2026-09-09T04:00:00.000Z	52 \| moderate	9.634 \| good	43.098 \| good	15.27 \| good	0.237 \| good	3.62 \| good	0.224 \| good
2026-09-09T05:00:00.000Z	54 \| moderate	10.655 \| good	47.349 \| good	12.868 \| good	0.225 \| good	3.187 \| good	0.218 \| good
2026-09-09T06:00:00.000Z	52 \| moderate	9.775 \| good	43.253 \| good	12.57 \| good	0.206 \| good	2.684 \| good	0.21 \| good
2026-09-09T07:00:00.000Z	52 \| moderate	9.535 \| good	42.721 \| good	13.121 \| good	0.188 \| good	2.137 \| good	0.2 \| good
2026-09-09T08:00:00.000Z	44 \| good	8.371 \| good	36.616 \| good	12.507 \| good	0.177 \| good	1.712 \| good	0.191 \| good
2026-09-09T09:00:00.000Z	49 \| good	8.8 \| good	38.425 \| good	11.97 \| good	0.176 \| good	1.489 \| good	0.184 \| good
2026-09-09T10:00:00.000Z	54 \| moderate	11.391 \| good	50.173 \| good	10.156 \| good	0.182 \| good	1.424 \| good	0.18 \| good
2026-09-09T11:00:00.000Z	56 \| moderate	11.571 \| good	51.744 \| good	11.472 \| good	0.191 \| good	1.441 \| good	0.179 \| good
2026-09-09T12:00:00.000Z	27 \| good	5.198 \| good	5.838 \| good	27.988 \| good	0.198 \| good	1.373 \| good	0.179 \| good

Portsmouth

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Portsmouth, Ohio

0.27ppm

How accurate is Ohio, USA air quality data?

The air quality data for Ohio, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

Source: Ambee Data Sources

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Frequently asked questions

How frequently does the air quality data for Portsmouth, Ohio get updated?

Air quality updates for Portsmouth, Ohio are available every hour.

What time in the past 24 hours saw the poorest air quality in Portsmouth, Ohio?

Portsmouth, Ohio experienced its worst air quality at 06:00:00, 2026-09-06.

When was air quality in Portsmouth, Ohio the best over the past 24 hours?

The best air quality in Portsmouth, Ohio was observed at 03:00:00 on 2026-09-07.

What is the air quality in Portsmouth, Ohio right now?

The air quality in Portsmouth, Ohio right now is Good, with an AQI of 33.

What pollutant is most frequently found in Portsmouth, Ohio?

In Portsmouth, Ohio, PM2.5 is the most frequently found pollutant.

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

When air quality in Portsmouth, Ohio is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Portsmouth, Ohio right now?

Portsmouth, Ohio currently has a PM_2.5 concentration of 5.537 μg/m³.

What is the current level of PM₁₀ in Portsmouth, Ohio?

Portsmouth, Ohio currently has a PM₁₀ concentration of 10.987 μg/m³.

What is the current level of carbon monoxide (CO) in Portsmouth, Ohio?

The current carbon monoxide (CO) level in Portsmouth, Ohio is 0.269 ppm.

What is the current level of sulfur dioxide (SO₂) in Portsmouth, Ohio?

The current sulfur dioxide (SO₂) concentration in Portsmouth, Ohio is 1.685 ppb.

What is the current level of ozone (O₃) in Portsmouth, Ohio?

Portsmouth, Ohio currently has an ozone (O₃) concentration of 11.319 ppm.

What is the current level of nitrogen dioxide (NO₂) in Portsmouth, Ohio?

The current level of nitrogen dioxide (NO₂) in Portsmouth, Ohio is 6.714 ppb.

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