What is the current concentration of PM10 in Portsmouth, Rhode Island?

The current PM10 concentration at Portsmouth, Rhode Island is 18.498 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Portsmouth, Rhode Island?

The current sulfur dioxide (SO2) concentration at Portsmouth, Rhode Island is 0.262 ppb.

What is the current concentration of ozone (O3) in Portsmouth, Rhode Island?

The current ozone (O3) concentration at Portsmouth, Rhode Island is 29.7 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Portsmouth, Rhode Island?

The current nitrogen dioxide (NO2) concentration at Portsmouth, Rhode Island is 5.827 ppb.

Portsmouth, Rhode Island live air quality index now

Q: What is the current concentration of PM2.5 in Portsmouth, Rhode Island?

The current PM2.5 concentration at Portsmouth, Rhode Island is 4.267 μg/m3.

Stay updated with real-time air quality in Portsmouth, Rhode Island 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, Rhode Island

Last updated: ... (Local time)

Major air pollutants in Portsmouth, Rhode Island

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.27 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

18.50 μg/m³

155

255

425

605+

Ozone (O₃)

29.70 ppb

201

201+

Sulfur Dioxide (SO₂)

0.26 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.83 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.23 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, Rhode Island

Scroll To Air Quality Map

Track live Portsmouth, Rhode Island air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-08-12T18:00:00.000Z	38 \| good	7.389 \| good	19.828 \| good	31.875 \| good	0.525 \| good	5.608 \| good	0.292 \| good
2026-08-12T19:00:00.000Z	38 \| good	6.828 \| good	17.279 \| good	37.839 \| good	0.52 \| good	6.129 \| good	0.297 \| good
2026-08-12T20:00:00.000Z	33 \| good	6.408 \| good	23.994 \| good	33.009 \| good	0.572 \| good	6.62 \| good	0.297 \| good
2026-08-12T21:00:00.000Z	36 \| good	5.917 \| good	20.351 \| good	38.604 \| good	0.58 \| good	5.38 \| good	0.283 \| good
2026-08-12T22:00:00.000Z	33 \| good	5.463 \| good	21.715 \| good	35.74 \| good	0.584 \| good	4.928 \| good	0.325 \| good
2026-08-12T23:00:00.000Z	34 \| good	4.328 \| good	15.902 \| good	37.439 \| good	0.528 \| good	7.041 \| good	0.325 \| good
2026-08-13T00:00:00.000Z	38 \| good	6.597 \| good	28.697 \| good	32.581 \| good	0.515 \| good	6.954 \| good	0.425 \| good
2026-08-13T01:00:00.000Z	33 \| good	5.954 \| good	23.396 \| good	27.304 \| good	0.566 \| good	7.642 \| good	0.4 \| good
2026-08-13T02:00:00.000Z	33 \| good	5.73 \| good	25.614 \| good	30.804 \| good	0.527 \| good	6.463 \| good	0.358 \| good
2026-08-13T03:00:00.000Z	27 \| good	4.817 \| good	18.177 \| good	23.253 \| good	0.527 \| good	7.262 \| good	0.342 \| good
2026-08-13T04:00:00.000Z	33 \| good	6.482 \| good	28.785 \| good	24.299 \| good	0.52 \| good	7.948 \| good	0.317 \| good
2026-08-13T05:00:00.000Z	31 \| good	5.485 \| good	18.335 \| good	32.973 \| good	0.547 \| good	7.513 \| good	0.258 \| good
2026-08-13T06:00:00.000Z	38 \| good	6.898 \| good	25.055 \| good	32.376 \| good	0.512 \| good	7.339 \| good	0.258 \| good
2026-08-13T07:00:00.000Z	33 \| good	6.153 \| good	26.755 \| good	30.648 \| good	0.512 \| good	6.754 \| good	0.224 \| good
2026-08-13T08:00:00.000Z	32 \| good	5.429 \| good	18.655 \| good	35.405 \| good	0.507 \| good	5.486 \| good	0.2 \| good
2026-08-13T09:00:00.000Z	33 \| good	6.28 \| good	28.845 \| good	29.109 \| good	0.507 \| good	10.529 \| good	0.283 \| good
2026-08-13T10:00:00.000Z	35 \| good	6.314 \| good	23.836 \| good	38.367 \| good	0.492 \| good	7.873 \| good	0.258 \| good
2026-08-13T11:00:00.000Z	33 \| good	5.808 \| good	20.527 \| good	35.167 \| good	0.488 \| good	14.053 \| good	0.425 \| good
2026-08-13T12:00:00.000Z	33 \| good	6.222 \| good	17.439 \| good	31.189 \| good	0.508 \| good	11.338 \| good	0.383 \| good
2026-08-13T13:00:00.000Z	38 \| good	6.651 \| good	21.728 \| good	34.38 \| good	0.507 \| good	11.157 \| good	0.342 \| good
2026-08-13T14:00:00.000Z	38 \| good	6.936 \| good	22.216 \| good	38.501 \| good	0.515 \| good	9.516 \| good	0.342 \| good
2026-08-13T15:00:00.000Z	40 \| good	7.342 \| good	20.863 \| good	42.708 \| good	0.525 \| good	8.075 \| good	0.3 \| good
2026-08-13T16:00:00.000Z	38 \| good	6.072 \| good	27.649 \| good	41.32 \| good	0.474 \| good	5.347 \| good	0.317 \| good
2026-08-13T17:00:00.000Z	49 \| good	9.03 \| good	25.179 \| good	43.136 \| good	0.373 \| good	5.908 \| good	0.264 \| good
2026-08-13T18:00:00.000Z	45 \| good	6.746 \| good	21.029 \| good	48.912 \| good	0.373 \| good	6.011 \| good	0.308 \| good
2026-08-13T19:00:00.000Z	56 \| moderate	11.624 \| good	61.94 \| fine	50.788 \| good	0.363 \| good	5.529 \| good	0.308 \| good
2026-08-13T20:00:00.000Z	47 \| good	8.12 \| good	29.93 \| good	50.941 \| good	0.508 \| good	4.802 \| good	0.264 \| good
2026-08-13T21:00:00.000Z	47 \| good	8.382 \| good	35.088 \| good	51.231 \| good	0.513 \| good	5.108 \| good	0.308 \| good
2026-08-13T22:00:00.000Z	49 \| good	9.372 \| good	47.296 \| good	48.007 \| good	0.524 \| good	4.684 \| good	0.308 \| good
2026-08-13T23:00:00.000Z	49 \| good	8.809 \| good	25.655 \| good	48.847 \| good	0.512 \| good	5.818 \| good	0.308 \| good
2026-08-14T00:00:00.000Z	49 \| good	8.586 \| good	22.429 \| good	43.318 \| good	0.488 \| good	6.712 \| good	0.308 \| good
2026-08-14T01:00:00.000Z	44 \| good	7.978 \| good	30.515 \| good	37.747 \| good	0.524 \| good	10.762 \| good	0.308 \| good
2026-08-14T02:00:00.000Z	36 \| good	6.36 \| good	19.812 \| good	38.617 \| good	0.475 \| good	8.574 \| good	0.34 \| good
2026-08-14T03:00:00.000Z	44 \| good	7.687 \| good	27.034 \| good	34.716 \| good	0.495 \| good	10.153 \| good	0.321 \| good
2026-08-14T04:00:00.000Z	44 \| good	8.438 \| good	25.75 \| good	33.146 \| good	0.48 \| good	11.96 \| good	0.332 \| good
2026-08-14T05:00:00.000Z	49 \| good	9.091 \| good	39.857 \| good	22.911 \| good	0.488 \| good	11.605 \| good	0.289 \| good
2026-08-14T06:00:00.000Z	49 \| good	8.998 \| good	29.841 \| good	20.628 \| good	0.488 \| good	7.587 \| good	0.257 \| good
2026-08-14T07:00:00.000Z	49 \| good	9.152 \| good	43.395 \| good	23.037 \| good	0.476 \| good	8.18 \| good	0.245 \| good
2026-08-14T08:00:00.000Z	38 \| good	7.376 \| good	17.453 \| good	20.314 \| good	0.468 \| good	9.135 \| good	0.258 \| good
2026-08-14T09:00:00.000Z	44 \| good	7.588 \| good	13.913 \| good	17.696 \| good	0.334 \| good	8.373 \| good	0.308 \| good
2026-08-14T10:00:00.000Z	38 \| good	7.095 \| good	28.993 \| good	18.191 \| good	0.334 \| good	10.698 \| good	0.321 \| good
2026-08-14T11:00:00.000Z	38 \| good	7.269 \| good	30.876 \| good	17.093 \| good	0.344 \| good	9.685 \| good	0.353 \| good
2026-08-14T12:00:00.000Z	44 \| good	7.769 \| good	27.004 \| good	16.417 \| good	0.288 \| good	9.01 \| good	0.308 \| good
2026-08-14T13:00:00.000Z	44 \| good	7.504 \| good	30.648 \| good	12.981 \| good	0.288 \| good	7.472 \| good	0.308 \| good
2026-08-14T14:00:00.000Z	33 \| good	6.228 \| good	22.979 \| good	17.092 \| good	0.344 \| good	5.196 \| good	0.264 \| good
2026-08-14T15:00:00.000Z	27 \| good	5.08 \| good	23.495 \| good	25.92 \| good	0.309 \| good	5.745 \| good	0.208 \| good
2026-08-14T16:00:00.000Z	28 \| good	4.386 \| good	16.23 \| good	30.112 \| good	0.309 \| good	5.362 \| good	0.22 \| good
2026-08-14T17:00:00.000Z	28 \| good	4.391 \| good	19.718 \| good	30.306 \| good	0.309 \| good	5.438 \| good	0.221 \| good
2026-08-14T17:00:00.000Z	28 \| good	4.267 \| good	18.498 \| good	29.7 \| good	0.262 \| good	5.827 \| good	0.232 \| good
2026-08-12T18:00:00.000Z	39 \| good	5.548 \| good	24.282 \| good	41.714 \| good	0.209 \| good	0.835 \| good	0.17 \| good
2026-08-12T19:00:00.000Z	36 \| good	4.762 \| good	20.894 \| good	38.517 \| good	0.197 \| good	0.857 \| good	0.171 \| good
2026-08-12T20:00:00.000Z	32 \| good	4.112 \| good	18.102 \| good	34.768 \| good	0.182 \| good	0.931 \| good	0.169 \| good
2026-08-12T21:00:00.000Z	33 \| good	4.737 \| good	20.452 \| good	35.95 \| good	0.173 \| good	1.173 \| good	0.171 \| good
2026-08-12T22:00:00.000Z	32 \| good	5.216 \| good	22.707 \| good	35.023 \| good	0.168 \| good	2.108 \| good	0.18 \| good
2026-08-12T23:00:00.000Z	30 \| good	5.213 \| good	22.665 \| good	32.248 \| good	0.167 \| good	4.01 \| good	0.199 \| good
2026-08-13T00:00:00.000Z	25 \| good	3.707 \| good	15.991 \| good	26.552 \| good	0.19 \| good	5.505 \| good	0.209 \| good
2026-08-13T01:00:00.000Z	21 \| good	3.235 \| good	13.88 \| good	23.413 \| good	0.221 \| good	5.859 \| good	0.21 \| good
2026-08-13T02:00:00.000Z	18 \| good	2.585 \| good	10.56 \| good	18.644 \| good	0.243 \| good	6.027 \| good	0.211 \| good
2026-08-13T03:00:00.000Z	14 \| good	2.172 \| good	9.099 \| good	14.768 \| good	0.267 \| good	6.109 \| good	0.211 \| good
2026-08-13T04:00:00.000Z	22 \| good	3.627 \| good	15.734 \| good	19.326 \| good	0.296 \| good	5.826 \| good	0.209 \| good
2026-08-13T05:00:00.000Z	33 \| good	6.474 \| good	28.602 \| good	31.964 \| good	0.329 \| good	5.195 \| good	0.2 \| good
2026-08-13T06:00:00.000Z	38 \| good	7.027 \| good	31.179 \| good	36.839 \| good	0.364 \| good	4.502 \| good	0.187 \| good
2026-08-13T07:00:00.000Z	33 \| good	6.202 \| good	27.471 \| good	33.453 \| good	0.394 \| good	4.195 \| good	0.177 \| good
2026-08-13T08:00:00.000Z	33 \| good	5.662 \| good	24.478 \| good	26.896 \| good	0.441 \| good	4.199 \| good	0.172 \| good
2026-08-13T09:00:00.000Z	22 \| good	4.223 \| good	18.249 \| good	20.165 \| good	0.503 \| good	4.504 \| good	0.178 \| good
2026-08-13T10:00:00.000Z	22 \| good	3.507 \| good	15.408 \| good	19.065 \| good	0.5 \| good	5.027 \| good	0.188 \| good
2026-08-13T11:00:00.000Z	22 \| good	3.125 \| good	13.614 \| good	24.166 \| good	0.437 \| good	5.588 \| good	0.2 \| good
2026-08-13T12:00:00.000Z	29 \| good	3.636 \| good	16.039 \| good	31.493 \| good	0.447 \| good	4.939 \| good	0.209 \| good
2026-08-13T13:00:00.000Z	35 \| good	3.746 \| good	16.296 \| good	38.417 \| good	0.439 \| good	3.813 \| good	0.215 \| good
2026-08-13T14:00:00.000Z	41 \| good	5.215 \| good	22.686 \| good	43.762 \| good	0.434 \| good	2.284 \| good	0.214 \| good
2026-08-13T15:00:00.000Z	41 \| good	5.631 \| good	24.504 \| good	44.117 \| good	0.399 \| good	1.511 \| good	0.213 \| good
2026-08-13T16:00:00.000Z	43 \| good	6.931 \| good	30.47 \| good	45.838 \| good	0.342 \| good	1.091 \| good	0.214 \| good
2026-08-13T17:00:00.000Z	49 \| good	8.913 \| good	39.437 \| good	44.614 \| good	0.273 \| good	0.94 \| good	0.217 \| good
2026-08-13T18:00:00.000Z	49 \| good	8.624 \| good	37.612 \| good	42.84 \| good	0.214 \| good	0.914 \| good	0.22 \| good
2026-08-13T19:00:00.000Z	39 \| good	6.24 \| good	27.417 \| good	41.58 \| good	0.181 \| good	0.864 \| good	0.221 \| good
2026-08-13T20:00:00.000Z	32 \| good	4.845 \| good	21.117 \| good	35.467 \| good	0.172 \| good	0.863 \| good	0.22 \| good
2026-08-13T21:00:00.000Z	32 \| good	4.393 \| good	19.117 \| good	34.689 \| good	0.176 \| good	1.124 \| good	0.219 \| good
2026-08-13T22:00:00.000Z	33 \| good	5.362 \| good	23.164 \| good	36.166 \| good	0.183 \| good	1.716 \| good	0.22 \| good
2026-08-13T23:00:00.000Z	29 \| good	4.374 \| good	19.164 \| good	30.691 \| good	0.185 \| good	2.919 \| good	0.226 \| good
2026-08-14T00:00:00.000Z	30 \| good	3.114 \| good	12.584 \| good	32.363 \| good	0.193 \| good	4.688 \| good	0.236 \| good
2026-08-14T01:00:00.000Z	26 \| good	3.767 \| good	16.189 \| good	27.996 \| good	0.2 \| good	4.996 \| good	0.234 \| good
2026-08-14T02:00:00.000Z	21 \| good	2.906 \| good	12.13 \| good	23.159 \| good	0.197 \| good	4.638 \| good	0.227 \| good
2026-08-14T03:00:00.000Z	19 \| good	3.331 \| good	14.514 \| good	19.993 \| good	0.19 \| good	4.342 \| good	0.221 \| good
2026-08-14T04:00:00.000Z	22 \| good	3.925 \| good	17.091 \| good	18.416 \| good	0.179 \| good	4.109 \| good	0.214 \| good
2026-08-14T05:00:00.000Z	18 \| good	3.243 \| good	13.853 \| good	19.491 \| good	0.167 \| good	3.932 \| good	0.207 \| good
2026-08-14T06:00:00.000Z	16 \| good	3.116 \| good	13.715 \| good	16.459 \| good	0.158 \| good	3.843 \| good	0.201 \| good
2026-08-14T07:00:00.000Z	16 \| good	2.752 \| good	11.176 \| good	14.904 \| good	0.154 \| good	3.869 \| good	0.196 \| good
2026-08-14T08:00:00.000Z	16 \| good	2.697 \| good	11.071 \| good	14.145 \| good	0.154 \| good	3.994 \| good	0.192 \| good
2026-08-14T09:00:00.000Z	12 \| good	1.967 \| good	8.108 \| good	12.574 \| good	0.157 \| good	4.22 \| good	0.191 \| good
2026-08-14T10:00:00.000Z	12 \| good	2.152 \| good	8.743 \| good	13.298 \| good	0.162 \| good	4.587 \| good	0.191 \| good
2026-08-14T11:00:00.000Z	13 \| good	1.756 \| good	7.059 \| good	13.603 \| good	0.16 \| good	4.65 \| good	0.198 \| good
2026-08-14T12:00:00.000Z	13 \| good	1.553 \| good	6.272 \| good	14.327 \| good	0.183 \| good	3.641 \| good	0.197 \| good
2026-08-14T13:00:00.000Z	18 \| good	2.683 \| good	11.062 \| good	19.481 \| good	0.215 \| good	2.253 \| good	0.186 \| good
2026-08-14T14:00:00.000Z	22 \| good	3.294 \| good	14.294 \| good	24.464 \| good	0.238 \| good	1.464 \| good	0.176 \| good
2026-08-14T15:00:00.000Z	24 \| good	4.272 \| good	18.491 \| good	25.797 \| good	0.233 \| good	1.009 \| good	0.166 \| good
2026-08-14T16:00:00.000Z	27 \| good	4.593 \| good	19.777 \| good	27.02 \| good	0.214 \| good	0.797 \| good	0.161 \| good
2026-08-14T17:00:00.000Z	24 \| good	3.79 \| good	16.69 \| good	26.185 \| good	0.202 \| good	0.747 \| good	0.161 \| good

Portsmouth

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Portsmouth, Rhode Island air quality map: Track AQI near you

0.21ppm

How accurate is Rhode Island, USA air quality data?

Air quality data and pollutant measurements for Rhode Island, 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 Portsmouth, Rhode Island updated?

The air quality for Portsmouth, Rhode Island is updated every hour.

When was the worst air quality at Portsmouth, Rhode Island in the last 24 hrs?

The worst air quality in Portsmouth, Rhode Island in the last 24 hours was observed at 07:00:00 on 2026-08-13.

When was the best air quality at Portsmouth, Rhode Island in the last 24 hrs?

In the last 24 hrs, the best air quality in Portsmouth, Rhode Island was observed at 03:00:00 on 2026-08-14.

What is the current air quality in Portsmouth, Rhode Island?

The current air quality in Portsmouth, Rhode Island is 28, categorized as Good based on real-time data.

What pollutant is the most common in Portsmouth, Rhode Island?

The most common pollutant in Portsmouth, Rhode Island is O3.

What should I do if the air quality in Portsmouth, Rhode Island is poor?

If the air quality in Portsmouth, Rhode Island is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Portsmouth, Rhode Island?

The current PM_2.5 concentration at Portsmouth, Rhode Island is 4.267 μg/m³.

What is the current concentration of PM₁₀ in Portsmouth, Rhode Island?

The current PM₁₀ concentration at Portsmouth, Rhode Island is 18.498 μg/m³.

What is the current concentration of carbon monoxide (CO) in Portsmouth, Rhode Island?

The current carbon monoxide (CO) concentration at Portsmouth, Rhode Island is 0.232 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Portsmouth, Rhode Island?

The current sulfur dioxide (SO₂) concentration at Portsmouth, Rhode Island is 0.262 ppb.

What is the current concentration of ozone (O₃) in Portsmouth, Rhode Island?

The current ozone (O₃) concentration at Portsmouth, Rhode Island is 29.7 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Portsmouth, Rhode Island?

The current nitrogen dioxide (NO₂) concentration at Portsmouth, Rhode Island is 5.827 ppb.

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