What is the current concentration of PM10 in Port Arthur, Texas?

The current PM10 concentration at Port Arthur, Texas is 47.121 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Port Arthur, Texas?

The current sulfur dioxide (SO2) concentration at Port Arthur, Texas is 0.535 ppb.

What is the current concentration of ozone (O3) in Port Arthur, Texas?

The current ozone (O3) concentration at Port Arthur, Texas is 18.841 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Port Arthur, Texas?

The current nitrogen dioxide (NO2) concentration at Port Arthur, Texas is 4.92 ppb.

Port Arthur, Texas live air quality index now

Q: What is the current concentration of PM2.5 in Port Arthur, Texas?

The current PM2.5 concentration at Port Arthur, Texas is 10.65 μg/m3.

Stay updated with real-time air quality in Port Arthur, Texas 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

Port Arthur, Texas

Last updated: ... (Local time)

Major air pollutants in Port Arthur, Texas

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

10.65 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

47.12 μg/m³

155

255

425

605+

Ozone (O₃)

18.84 ppb

201

201+

Sulfur Dioxide (SO₂)

0.54 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.92 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.25 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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Port Arthur, Texas

Scroll To Air Quality Map

Track live Port Arthur, Texas air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-07T22:00:00.000Z	58 \| moderate	13.136 \| fine	58.748 \| fine	23.579 \| good	0.607 \| good	4.931 \| good	0.226 \| good
2026-03-07T23:00:00.000Z	62 \| moderate	14.515 \| fine	64.162 \| fine	24.467 \| good	0.712 \| good	5.231 \| good	0.226 \| good
2026-03-08T00:00:00.000Z	60 \| moderate	14.327 \| fine	64.035 \| fine	22.88 \| good	0.668 \| good	6.113 \| good	0.282 \| good
2026-03-08T01:00:00.000Z	62 \| moderate	15.389 \| fine	69.352 \| fine	22.353 \| good	0.586 \| good	5.313 \| good	0.317 \| good
2026-03-08T02:00:00.000Z	62 \| moderate	15.363 \| fine	69.276 \| fine	21.978 \| good	0.541 \| good	3.463 \| good	0.344 \| good
2026-03-08T03:00:00.000Z	54 \| moderate	10.92 \| good	48.348 \| good	20.888 \| good	0.429 \| good	3.341 \| good	0.118 \| good
2026-03-08T04:00:00.000Z	58 \| moderate	12.772 \| fine	54.739 \| good	18.747 \| good	0.568 \| good	1.73 \| good	0.386 \| good
2026-03-08T05:00:00.000Z	60 \| moderate	13.665 \| fine	60.358 \| fine	20.612 \| good	0.506 \| good	1.242 \| good	0.486 \| good
2026-03-08T06:00:00.000Z	58 \| moderate	12.766 \| fine	57.325 \| fine	20.162 \| good	0.506 \| good	2.211 \| good	0.466 \| good
2026-03-08T07:00:00.000Z	38 \| good	6.722 \| good	29.603 \| good	21.228 \| good	0.438 \| good	1.918 \| good	0.501 \| good
2026-03-08T08:00:00.000Z	27 \| good	4.63 \| good	20.421 \| good	20.755 \| good	0.455 \| good	1.878 \| good	0.492 \| good
2026-03-08T09:00:00.000Z	19 \| good	3.395 \| good	15.809 \| good	21.198 \| good	0.491 \| good	1.317 \| good	0.512 \| good
2026-03-08T10:00:00.000Z	18 \| good	2.207 \| good	9.33 \| good	19.224 \| good	0.506 \| good	1.951 \| good	0.494 \| good
2026-03-08T11:00:00.000Z	19 \| good	2.315 \| good	10.247 \| good	20.498 \| good	0.465 \| good	2.188 \| good	0.403 \| good
2026-03-08T12:00:00.000Z	17 \| good	1.641 \| good	7.37 \| good	18.416 \| good	0.403 \| good	2.679 \| good	0.333 \| good
2026-03-08T13:00:00.000Z	15 \| good	1.811 \| good	8.408 \| good	16.177 \| good	0.429 \| good	5.169 \| good	0.315 \| good
2026-03-08T14:00:00.000Z	14 \| good	1.792 \| good	7.494 \| good	14.972 \| good	0.403 \| good	4.488 \| good	0.38 \| good
2026-03-08T15:00:00.000Z	13 \| good	2.321 \| good	10.43 \| good	14.451 \| good	0.403 \| good	5.998 \| good	0.3 \| good
2026-03-08T16:00:00.000Z	13 \| good	2.079 \| good	9.033 \| good	14.29 \| good	0.557 \| good	3.376 \| good	0.262 \| good
2026-03-08T17:00:00.000Z	16 \| good	3.357 \| good	14.88 \| good	11.412 \| good	0.456 \| good	4.067 \| good	0.253 \| good
2026-03-08T18:00:00.000Z	16 \| good	2.948 \| good	13.067 \| good	13.142 \| good	0.47 \| good	3.039 \| good	0.27 \| good
2026-03-08T19:00:00.000Z	18 \| good	3.25 \| good	13.219 \| good	19.473 \| good	0.513 \| good	2.778 \| good	0.261 \| good
2026-03-08T20:00:00.000Z	33 \| good	5.609 \| good	24.813 \| good	15.12 \| good	0.544 \| good	3.432 \| good	0.261 \| good
2026-03-08T21:00:00.000Z	33 \| good	6.176 \| good	27.128 \| good	17.444 \| good	0.479 \| good	5.731 \| good	0.279 \| good
2026-03-08T22:00:00.000Z	49 \| good	8.59 \| good	36.653 \| good	21.26 \| good	0.479 \| good	5.193 \| good	0.288 \| good
2026-03-08T23:00:00.000Z	27 \| good	4.731 \| good	19.619 \| good	22.189 \| good	0.471 \| good	3.813 \| good	0.279 \| good
2026-03-09T00:00:00.000Z	22 \| good	3.78 \| good	17.83 \| good	20.761 \| good	0.429 \| good	5.996 \| good	0.279 \| good
2026-03-09T01:00:00.000Z	38 \| good	6.924 \| good	30.235 \| good	21.079 \| good	0.44 \| good	8.346 \| good	0.359 \| good
2026-03-09T02:00:00.000Z	38 \| good	7.071 \| good	30.936 \| good	20.199 \| good	0.51 \| good	6.809 \| good	0.404 \| good
2026-03-09T03:00:00.000Z	56 \| moderate	11.675 \| good	51.943 \| good	18.278 \| good	0.422 \| good	3.759 \| good	0.118 \| good
2026-03-09T04:00:00.000Z	33 \| good	5.906 \| good	27.36 \| good	16.101 \| good	0.492 \| good	8.082 \| good	0.324 \| good
2026-03-09T05:00:00.000Z	38 \| good	7.333 \| good	32.004 \| good	12.918 \| good	0.492 \| good	5.238 \| good	0.288 \| good
2026-03-09T06:00:00.000Z	38 \| good	6.948 \| good	30.261 \| good	10.46 \| good	0.475 \| good	8.993 \| good	0.288 \| good
2026-03-09T07:00:00.000Z	33 \| good	6.31 \| good	28.638 \| good	15.08 \| good	0.449 \| good	8.538 \| good	0.288 \| good
2026-03-09T08:00:00.000Z	33 \| good	5.833 \| good	26.519 \| good	13.18 \| good	0.431 \| good	8.935 \| good	0.306 \| good
2026-03-09T09:00:00.000Z	44 \| good	7.641 \| good	32.864 \| good	16.396 \| good	0.522 \| good	9.27 \| good	0.288 \| good
2026-03-09T10:00:00.000Z	27 \| good	4.552 \| good	19.981 \| good	11.893 \| good	0.537 \| good	7.645 \| good	0.262 \| good
2026-03-09T11:00:00.000Z	27 \| good	4.553 \| good	20.027 \| good	12.532 \| good	0.643 \| good	8.191 \| good	0.288 \| good
2026-03-09T12:00:00.000Z	27 \| good	5.069 \| good	22.907 \| good	12.273 \| good	0.675 \| good	6.497 \| good	0.309 \| good
2026-03-09T13:00:00.000Z	44 \| good	7.517 \| good	33.696 \| good	10.518 \| good	0.654 \| good	6 \| good	0.326 \| good
2026-03-09T14:00:00.000Z	44 \| good	7.672 \| good	33.895 \| good	14.98 \| good	0.792 \| good	6.09 \| good	0.326 \| good
2026-03-09T15:00:00.000Z	38 \| good	7.19 \| good	32.094 \| good	14.831 \| good	0.43 \| good	4.891 \| good	0.288 \| good
2026-03-09T16:00:00.000Z	44 \| good	8.211 \| good	35.3 \| good	13.975 \| good	0.42 \| good	4.85 \| good	0.282 \| good
2026-03-09T17:00:00.000Z	44 \| good	7.531 \| good	32.992 \| good	15.999 \| good	0.457 \| good	4.766 \| good	0.282 \| good
2026-03-09T18:00:00.000Z	38 \| good	7.104 \| good	31.471 \| good	15.857 \| good	0.51 \| good	4.2 \| good	0.264 \| good
2026-03-09T19:00:00.000Z	44 \| good	7.826 \| good	35.681 \| good	18.071 \| good	0.527 \| good	4.255 \| good	0.244 \| good
2026-03-09T20:00:00.000Z	52 \| moderate	10.276 \| good	45.485 \| good	18.395 \| good	0.533 \| good	4.663 \| good	0.244 \| good
2026-03-09T21:00:00.000Z	54 \| moderate	11.114 \| good	49.112 \| good	18.409 \| good	0.536 \| good	4.919 \| good	0.246 \| good
2026-03-09T21:00:00.000Z	54 \| moderate	10.65 \| good	47.121 \| good	18.841 \| good	0.535 \| good	4.92 \| good	0.247 \| good
2026-03-09T22:00:00.000Z	52 \| moderate	10.189 \| good	45.4 \| good	20.659 \| good	0.277 \| good	0.946 \| good	0.092 \| good
2026-03-09T23:00:00.000Z	54 \| moderate	10.839 \| good	47.9 \| good	17.8 \| good	0.299 \| good	1.17 \| good	0.09 \| good
2026-03-10T00:00:00.000Z	56 \| moderate	12.012 \| good	53.665 \| good	15.572 \| good	0.321 \| good	1.394 \| good	0.088 \| good
2026-03-10T01:00:00.000Z	52 \| moderate	9.739 \| good	43.156 \| good	15.331 \| good	0.33 \| good	1.465 \| good	0.088 \| good
2026-03-10T02:00:00.000Z	44 \| good	7.752 \| good	33.987 \| good	19.343 \| good	0.339 \| good	1.536 \| good	0.088 \| good
2026-03-10T03:00:00.000Z	49 \| good	8.797 \| good	38.692 \| good	21.429 \| good	0.347 \| good	1.607 \| good	0.088 \| good
2026-03-10T04:00:00.000Z	33 \| good	6.47 \| good	28.722 \| good	21.981 \| good	0.34 \| good	1.548 \| good	0.091 \| good
2026-03-10T05:00:00.000Z	38 \| good	7.006 \| good	31.019 \| good	20.359 \| good	0.334 \| good	1.489 \| good	0.093 \| good
2026-03-10T06:00:00.000Z	33 \| good	6.202 \| good	27.51 \| good	20.487 \| good	0.327 \| good	1.431 \| good	0.095 \| good
2026-03-10T07:00:00.000Z	38 \| good	7.218 \| good	31.967 \| good	22.121 \| good	0.32 \| good	1.374 \| good	0.096 \| good
2026-03-10T08:00:00.000Z	38 \| good	6.575 \| good	29.388 \| good	23.565 \| good	0.314 \| good	1.318 \| good	0.097 \| good
2026-03-10T09:00:00.000Z	33 \| good	6.35 \| good	28.424 \| good	21.701 \| good	0.308 \| good	1.262 \| good	0.098 \| good
2026-03-10T10:00:00.000Z	44 \| good	7.816 \| good	33.998 \| good	19.711 \| good	0.297 \| good	1.317 \| good	0.098 \| good
2026-03-10T11:00:00.000Z	52 \| moderate	9.768 \| good	43.554 \| good	19.126 \| good	0.286 \| good	1.372 \| good	0.099 \| good
2026-03-10T12:00:00.000Z	27 \| good	5.292 \| good	22.714 \| good	19.787 \| good	0.275 \| good	1.427 \| good	0.1 \| good
2026-03-10T13:00:00.000Z	44 \| good	7.931 \| good	34.815 \| good	20.775 \| good	0.249 \| good	1.362 \| good	0.1 \| good
2026-03-10T14:00:00.000Z	38 \| good	7.479 \| good	33.039 \| good	23.824 \| good	0.223 \| good	1.297 \| good	0.101 \| good
2026-03-10T15:00:00.000Z	44 \| good	7.669 \| good	33.881 \| good	20.859 \| good	0.197 \| good	1.232 \| good	0.102 \| good
2026-03-10T16:00:00.000Z	33 \| good	6.162 \| good	27.305 \| good	20.752 \| good	0.219 \| good	1.038 \| good	0.101 \| good
2026-03-10T17:00:00.000Z	44 \| good	7.702 \| good	33.777 \| good	22.888 \| good	0.24 \| good	0.845 \| good	0.1 \| good
2026-03-10T18:00:00.000Z	49 \| good	9.281 \| good	41.512 \| good	22.88 \| good	0.261 \| good	0.651 \| good	0.099 \| good
2026-03-10T19:00:00.000Z	54 \| moderate	10.727 \| good	47.703 \| good	25.214 \| good	0.264 \| good	0.651 \| good	0.098 \| good
2026-03-10T20:00:00.000Z	60 \| moderate	14.08 \| fine	63.256 \| fine	25.876 \| good	0.267 \| good	0.65 \| good	0.097 \| good
2026-03-10T21:00:00.000Z	54 \| moderate	11.337 \| good	49.841 \| good	25.456 \| good	0.27 \| good	0.649 \| good	0.097 \| good
2026-03-10T22:00:00.000Z	52 \| moderate	10.426 \| good	46.331 \| good	22.893 \| good	0.279 \| good	0.905 \| good	0.096 \| good
2026-03-10T23:00:00.000Z	44 \| good	8.384 \| good	36.893 \| good	21.932 \| good	0.289 \| good	1.161 \| good	0.095 \| good
2026-03-11T00:00:00.000Z	54 \| moderate	11.178 \| good	49.554 \| good	19.946 \| good	0.298 \| good	1.418 \| good	0.095 \| good
2026-03-11T01:00:00.000Z	49 \| good	8.564 \| good	37.349 \| good	21.372 \| good	0.304 \| good	1.476 \| good	0.094 \| good
2026-03-11T02:00:00.000Z	38 \| good	7.034 \| good	31.104 \| good	25.682 \| good	0.31 \| good	1.534 \| good	0.093 \| good
2026-03-11T03:00:00.000Z	38 \| good	6.812 \| good	30.396 \| good	26.023 \| good	0.315 \| good	1.592 \| good	0.092 \| good
2026-03-11T04:00:00.000Z	27 \| good	5.336 \| good	23.123 \| good	27.05 \| good	0.294 \| good	1.379 \| good	0.09 \| good
2026-03-11T05:00:00.000Z	38 \| good	7.268 \| good	32.03 \| good	26.796 \| good	0.272 \| good	1.165 \| good	0.089 \| good
2026-03-11T06:00:00.000Z	38 \| good	7.429 \| good	10.493 \| good	32.895 \| good	0.254 \| good	0.968 \| good	0.087 \| good
2026-03-11T07:00:00.000Z	44 \| good	8.394 \| good	36.826 \| good	26.827 \| good	0.24 \| good	0.907 \| good	0.086 \| good
2026-03-11T08:00:00.000Z	33 \| good	6.221 \| good	27.618 \| good	24.526 \| good	0.23 \| good	0.863 \| good	0.085 \| good
2026-03-11T09:00:00.000Z	38 \| good	6.793 \| good	30.149 \| good	24.827 \| good	0.22 \| good	0.818 \| good	0.084 \| good
2026-03-11T10:00:00.000Z	44 \| good	7.647 \| good	33.598 \| good	27.541 \| good	0.224 \| good	0.877 \| good	0.084 \| good
2026-03-11T11:00:00.000Z	52 \| moderate	9.772 \| good	43.767 \| good	28.161 \| good	0.228 \| good	0.935 \| good	0.084 \| good
2026-03-11T12:00:00.000Z	44 \| good	7.771 \| good	11.146 \| good	30.496 \| good	0.236 \| good	1.008 \| good	0.084 \| good
2026-03-11T13:00:00.000Z	44 \| good	7.962 \| good	11.414 \| good	30.598 \| good	0.24 \| good	1.059 \| good	0.086 \| good
2026-03-11T14:00:00.000Z	44 \| good	8.252 \| good	11.848 \| good	30.701 \| good	0.244 \| good	1.11 \| good	0.089 \| good
2026-03-11T15:00:00.000Z	44 \| good	7.761 \| good	11.065 \| good	30.803 \| good	0.248 \| good	1.16 \| good	0.091 \| good
2026-03-11T16:00:00.000Z	44 \| good	7.604 \| good	10.823 \| good	32.604 \| good	0.243 \| good	0.947 \| good	0.091 \| good
2026-03-11T17:00:00.000Z	49 \| good	9.245 \| good	41.206 \| good	30.62 \| good	0.235 \| good	0.721 \| good	0.091 \| good
2026-03-11T18:00:00.000Z	44 \| good	7.609 \| good	10.81 \| good	36.206 \| good	0.234 \| good	0.52 \| good	0.091 \| good
2026-03-11T19:00:00.000Z	44 \| good	7.832 \| good	11.081 \| good	36.029 \| good	0.223 \| good	0.618 \| good	0.093 \| good
2026-03-11T20:00:00.000Z	44 \| good	7.666 \| good	10.796 \| good	35.851 \| good	0.213 \| good	0.716 \| good	0.095 \| good
2026-03-11T21:00:00.000Z	38 \| good	7.06 \| good	9.877 \| good	35.674 \| good	0.202 \| good	0.814 \| good	0.096 \| good

Port Arthur

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Port Arthur, Texas air quality map: Track AQI near you

0.25ppm

How accurate is Texas, USA air quality data?

Air quality data and pollutant measurements for Texas, 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 Port Arthur, Texas updated?

The air quality for Port Arthur, Texas is updated every hour.

When was the worst air quality at Port Arthur, Texas in the last 24 hrs?

The worst air quality in Port Arthur, Texas in the last 24 hours was observed at 03:00:00 on 2026-03-09.

When was the best air quality at Port Arthur, Texas in the last 24 hrs?

In the last 24 hrs, the best air quality in Port Arthur, Texas was observed at 12:00:00 on 2026-03-09.

What is the current air quality in Port Arthur, Texas?

The current air quality in Port Arthur, Texas is 54, categorized as Moderate based on real-time data.

What pollutant is the most common in Port Arthur, Texas?

The most common pollutant in Port Arthur, Texas is PM2.5.

What should I do if the air quality in Port Arthur, Texas is poor?

If the air quality in Port Arthur, Texas is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Port Arthur, Texas?

The current PM_2.5 concentration at Port Arthur, Texas is 10.65 μg/m³.

What is the current concentration of PM₁₀ in Port Arthur, Texas?

The current PM₁₀ concentration at Port Arthur, Texas is 47.121 μg/m³.

What is the current concentration of carbon monoxide (CO) in Port Arthur, Texas?

The current carbon monoxide (CO) concentration at Port Arthur, Texas is 0.247 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Port Arthur, Texas?

The current sulfur dioxide (SO₂) concentration at Port Arthur, Texas is 0.535 ppb.

What is the current concentration of ozone (O₃) in Port Arthur, Texas?

The current ozone (O₃) concentration at Port Arthur, Texas is 18.841 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Port Arthur, Texas?

The current nitrogen dioxide (NO₂) concentration at Port Arthur, Texas is 4.92 ppb.

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