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

The current PM10 concentration at Port Arthur, Texas is 79.604 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 0.994 ppb.

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

The current ozone (O3) concentration at Port Arthur, Texas is 35.052 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 2.283 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 22.321 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)

22.32 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

79.60 μg/m³

155

255

425

605+

Ozone (O₃)

35.05 ppb

201

201+

Sulfur Dioxide (SO₂)

0.99 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.28 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.34 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Port Arthur, Texas

Get Live Pollen Counts

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
2026-04-22T08:00:00.000Z	84 \| moderate	26.695 \| fine	113.063 \| fine	32.516 \| good	1.185 \| good	4.813 \| good	0.185 \| good
2026-04-22T09:00:00.000Z	88 \| moderate	28.983 \| fine	121.049 \| fine	34.98 \| good	1.128 \| good	3.95 \| good	0.2 \| good
2026-04-22T10:00:00.000Z	92 \| moderate	30.598 \| fine	129.122 \| fine	37.909 \| good	1.207 \| good	5.656 \| good	0.2 \| good
2026-04-22T11:00:00.000Z	94 \| moderate	31.907 \| fine	134.992 \| fine	39.837 \| good	1.624 \| good	5.273 \| good	0.215 \| good
2026-04-22T12:00:00.000Z	99 \| moderate	34.962 \| fine	149.993 \| fine	36.864 \| good	1.388 \| good	7.024 \| good	0.277 \| good
2026-04-22T13:00:00.000Z	99 \| moderate	35.011 \| fine	149.152 \| fine	36.737 \| good	1.337 \| good	9.43 \| good	0.292 \| good
2026-04-22T14:00:00.000Z	110 \| sensitive	39.145 \| moderate	174.312 \| moderate	35.662 \| good	1.127 \| good	6.782 \| good	0.333 \| good
2026-04-22T15:00:00.000Z	105 \| sensitive	37.092 \| moderate	158.209 \| moderate	35.914 \| good	1.038 \| good	3.945 \| good	0.353 \| good
2026-04-22T16:00:00.000Z	99 \| moderate	35.082 \| fine	147.398 \| fine	39.386 \| good	1.046 \| good	2.845 \| good	0.23 \| good
2026-04-22T17:00:00.000Z	97 \| moderate	33.696 \| fine	144.306 \| fine	35.574 \| good	1.043 \| good	1.778 \| good	0.215 \| good
2026-04-22T18:00:00.000Z	88 \| moderate	28.959 \| fine	122.985 \| fine	37.754 \| good	1.026 \| good	1.878 \| good	0.215 \| good
2026-04-22T19:00:00.000Z	94 \| moderate	32.23 \| fine	134.562 \| fine	38.514 \| good	0.984 \| good	1.787 \| good	0.308 \| good
2026-04-22T20:00:00.000Z	69 \| moderate	19.088 \| fine	80.44 \| fine	39.254 \| good	1.012 \| good	2.837 \| good	0.326 \| good
2026-04-22T21:00:00.000Z	71 \| moderate	19.547 \| fine	83.341 \| fine	39.887 \| good	1.084 \| good	6.413 \| good	0.344 \| good
2026-04-22T22:00:00.000Z	69 \| moderate	18.884 \| fine	78.929 \| fine	41.188 \| good	1.083 \| good	2.819 \| good	0.344 \| good
2026-04-22T23:00:00.000Z	64 \| moderate	15.582 \| fine	67.304 \| fine	40.954 \| good	1.022 \| good	1.931 \| good	0.344 \| good
2026-04-23T00:00:00.000Z	56 \| moderate	12.252 \| fine	54.755 \| good	42.25 \| good	1.009 \| good	1.941 \| good	0.272 \| good
2026-04-23T01:00:00.000Z	62 \| moderate	14.61 \| fine	62.658 \| fine	37.734 \| good	1.009 \| good	2.306 \| good	0.272 \| good
2026-04-23T02:00:00.000Z	62 \| moderate	14.566 \| fine	63.201 \| fine	37.649 \| good	1.009 \| good	3.274 \| good	0.279 \| good
2026-04-23T03:00:00.000Z	71 \| moderate	20.43 \| fine	86.785 \| fine	35.561 \| good	0.98 \| good	3.511 \| good	0.272 \| good
2026-04-23T04:00:00.000Z	75 \| moderate	22.113 \| fine	93.107 \| fine	36.201 \| good	0.984 \| good	2.809 \| good	0.286 \| good
2026-04-23T05:00:00.000Z	77 \| moderate	23.008 \| fine	97.923 \| fine	37.163 \| good	0.987 \| good	2.951 \| good	0.258 \| good
2026-04-23T06:00:00.000Z	71 \| moderate	20.202 \| fine	87.442 \| fine	37.378 \| good	1.004 \| good	3.219 \| good	0.24 \| good
2026-04-23T07:00:00.000Z	75 \| moderate	22.476 \| fine	93.015 \| fine	37.911 \| good	1.056 \| good	2.88 \| good	0.237 \| good
2026-04-23T08:00:00.000Z	75 \| moderate	21.748 \| fine	93.538 \| fine	36.384 \| good	1.03 \| good	2.639 \| good	0.258 \| good
2026-04-23T09:00:00.000Z	71 \| moderate	20.433 \| fine	89.778 \| fine	32.127 \| good	1.063 \| good	3.205 \| good	0.24 \| good
2026-04-23T10:00:00.000Z	69 \| moderate	19.423 \| fine	83.554 \| fine	30.65 \| good	1.038 \| good	3.677 \| good	0.24 \| good
2026-04-23T11:00:00.000Z	73 \| moderate	20.792 \| fine	87.493 \| fine	34.64 \| good	1.152 \| good	5.477 \| good	0.232 \| good
2026-04-23T12:00:00.000Z	77 \| moderate	22.505 \| fine	95.903 \| fine	30.326 \| good	1.013 \| good	9.344 \| good	0.272 \| good
2026-04-23T13:00:00.000Z	75 \| moderate	22.147 \| fine	96.973 \| fine	34.894 \| good	1.038 \| good	4.869 \| good	0.3 \| good
2026-04-23T14:00:00.000Z	77 \| moderate	22.691 \| fine	98.93 \| fine	40.224 \| good	0.962 \| good	3.309 \| good	0.258 \| good
2026-04-23T15:00:00.000Z	77 \| moderate	23.25 \| fine	100.882 \| fine	33.835 \| good	0.979 \| good	2.949 \| good	0.272 \| good
2026-04-23T16:00:00.000Z	79 \| moderate	23.599 \| fine	101.868 \| fine	33.575 \| good	1.012 \| good	4.732 \| good	0.258 \| good
2026-04-23T17:00:00.000Z	77 \| moderate	22.933 \| fine	97.782 \| fine	35.077 \| good	1.06 \| good	5.844 \| good	0.272 \| good
2026-04-23T18:00:00.000Z	77 \| moderate	23.033 \| fine	98.908 \| fine	40.781 \| good	1.035 \| good	6.844 \| good	0.237 \| good
2026-04-23T19:00:00.000Z	71 \| moderate	20.48 \| fine	85.993 \| fine	41.458 \| good	1.06 \| good	4.893 \| good	0.251 \| good
2026-04-23T20:00:00.000Z	71 \| moderate	20.296 \| fine	86.685 \| fine	44.562 \| good	1.035 \| good	4.827 \| good	0.43 \| good
2026-04-23T21:00:00.000Z	75 \| moderate	21.527 \| fine	90.198 \| fine	45.141 \| good	0.98 \| good	6.025 \| good	0.404 \| good
2026-04-23T22:00:00.000Z	73 \| moderate	21.428 \| fine	91.22 \| fine	45.199 \| good	1.087 \| good	7.133 \| good	0.409 \| good
2026-04-23T23:00:00.000Z	73 \| moderate	21.39 \| fine	90.671 \| fine	41.778 \| good	1.106 \| good	6.494 \| good	0.404 \| good
2026-04-24T00:00:00.000Z	79 \| moderate	23.795 \| fine	102.242 \| fine	39.339 \| good	0.951 \| good	7.412 \| good	0.415 \| good
2026-04-24T01:00:00.000Z	79 \| moderate	23.505 \| fine	101.839 \| fine	37.716 \| good	0.925 \| good	7.485 \| good	0.415 \| good
2026-04-24T02:00:00.000Z	79 \| moderate	23.793 \| fine	100.919 \| fine	35.2 \| good	0.933 \| good	8.386 \| good	0.397 \| good
2026-04-24T03:00:00.000Z	54 \| moderate	11.019 \| good	48.888 \| good	35.483 \| good	0.232 \| good	1.382 \| good	0.115 \| good
2026-04-24T04:00:00.000Z	84 \| moderate	26.53 \| fine	109.301 \| fine	36.248 \| good	0.909 \| good	2.208 \| good	0.379 \| good
2026-04-24T05:00:00.000Z	88 \| moderate	29.091 \| fine	120.249 \| fine	35.558 \| good	0.919 \| good	2.329 \| good	0.361 \| good
2026-04-24T06:00:00.000Z	86 \| moderate	28.183 \| fine	118.242 \| fine	34.889 \| good	0.997 \| good	2.282 \| good	0.344 \| good
2026-04-24T07:00:00.000Z	75 \| moderate	22.321 \| fine	79.604 \| fine	35.052 \| good	0.994 \| good	2.283 \| good	0.344 \| good
2026-04-24T08:00:00.000Z	62 \| moderate	14.89 \| fine	66.656 \| fine	29.054 \| good	0.219 \| good	1.218 \| good	0.109 \| good
2026-04-24T09:00:00.000Z	64 \| moderate	15.595 \| fine	70.076 \| fine	27.145 \| good	0.22 \| good	1.177 \| good	0.108 \| good
2026-04-24T10:00:00.000Z	64 \| moderate	16.495 \| fine	73.324 \| fine	25.964 \| good	0.23 \| good	1.251 \| good	0.109 \| good
2026-04-24T11:00:00.000Z	64 \| moderate	15.567 \| fine	69.296 \| fine	26.267 \| good	0.239 \| good	1.325 \| good	0.109 \| good
2026-04-24T12:00:00.000Z	66 \| moderate	16.983 \| fine	75.208 \| fine	28.443 \| good	0.249 \| good	1.399 \| good	0.109 \| good
2026-04-24T13:00:00.000Z	62 \| moderate	15.107 \| fine	67.329 \| fine	31.26 \| good	0.261 \| good	1.302 \| good	0.11 \| good
2026-04-24T14:00:00.000Z	58 \| moderate	13.193 \| fine	59.464 \| fine	33.43 \| good	0.274 \| good	1.204 \| good	0.112 \| good
2026-04-24T15:00:00.000Z	60 \| moderate	14.494 \| fine	64.639 \| fine	35.236 \| good	0.287 \| good	1.106 \| good	0.113 \| good
2026-04-24T16:00:00.000Z	66 \| moderate	17.454 \| fine	77.329 \| fine	31.993 \| good	0.29 \| good	0.921 \| good	0.115 \| good
2026-04-24T17:00:00.000Z	56 \| moderate	11.753 \| good	52.446 \| good	30.591 \| good	0.292 \| good	0.736 \| good	0.117 \| good
2026-04-24T18:00:00.000Z	64 \| moderate	15.574 \| fine	69.329 \| fine	29.113 \| good	0.294 \| good	0.551 \| good	0.118 \| good
2026-04-24T19:00:00.000Z	58 \| moderate	12.872 \| fine	57.809 \| fine	28.475 \| good	0.281 \| good	0.555 \| good	0.119 \| good
2026-04-24T20:00:00.000Z	54 \| moderate	11.408 \| good	50.491 \| good	29.191 \| good	0.267 \| good	0.56 \| good	0.119 \| good
2026-04-24T21:00:00.000Z	58 \| moderate	12.792 \| fine	57.034 \| fine	30.253 \| good	0.253 \| good	0.565 \| good	0.12 \| good
2026-04-24T22:00:00.000Z	54 \| moderate	10.609 \| good	47.132 \| good	31.466 \| good	0.241 \| good	0.789 \| good	0.122 \| good
2026-04-24T23:00:00.000Z	44 \| good	8.432 \| good	36.833 \| good	32.071 \| good	0.23 \| good	1.013 \| good	0.125 \| good
2026-04-25T00:00:00.000Z	52 \| moderate	10.195 \| good	45.269 \| good	31.824 \| good	0.219 \| good	1.237 \| good	0.127 \| good
2026-04-25T01:00:00.000Z	56 \| moderate	12.138 \| fine	54.884 \| good	28.697 \| good	0.234 \| good	1.285 \| good	0.127 \| good
2026-04-25T02:00:00.000Z	60 \| moderate	13.563 \| fine	60.714 \| fine	25.483 \| good	0.249 \| good	1.334 \| good	0.126 \| good
2026-04-25T03:00:00.000Z	60 \| moderate	14.386 \| fine	64.318 \| fine	24.739 \| good	0.265 \| good	1.382 \| good	0.125 \| good
2026-04-25T04:00:00.000Z	60 \| moderate	13.889 \| fine	62.48 \| fine	22.451 \| good	0.278 \| good	1.499 \| good	0.125 \| good
2026-04-25T05:00:00.000Z	60 \| moderate	14.282 \| fine	63.645 \| fine	19.954 \| good	0.292 \| good	1.615 \| good	0.124 \| good
2026-04-25T06:00:00.000Z	54 \| moderate	11.343 \| good	50.255 \| good	19.165 \| good	0.306 \| good	1.732 \| good	0.124 \| good
2026-04-25T07:00:00.000Z	62 \| moderate	15.048 \| fine	66.703 \| fine	18.592 \| good	0.302 \| good	1.754 \| good	0.123 \| good
2026-04-25T08:00:00.000Z	58 \| moderate	13.482 \| fine	60.621 \| fine	17.224 \| good	0.299 \| good	1.775 \| good	0.122 \| good
2026-04-25T09:00:00.000Z	62 \| moderate	15.086 \| fine	67.347 \| fine	16.529 \| good	0.295 \| good	1.796 \| good	0.121 \| good
2026-04-25T10:00:00.000Z	64 \| moderate	15.81 \| fine	70.673 \| fine	15.339 \| good	0.308 \| good	1.826 \| good	0.121 \| good
2026-04-25T11:00:00.000Z	64 \| moderate	15.694 \| fine	69.506 \| fine	14.404 \| good	0.32 \| good	1.855 \| good	0.122 \| good
2026-04-25T12:00:00.000Z	66 \| moderate	16.964 \| fine	74.894 \| fine	18.236 \| good	0.333 \| good	1.885 \| good	0.122 \| good
2026-04-25T13:00:00.000Z	62 \| moderate	14.61 \| fine	65.788 \| fine	24.042 \| good	0.326 \| good	1.697 \| good	0.123 \| good
2026-04-25T14:00:00.000Z	58 \| moderate	13.043 \| fine	58.614 \| fine	29.675 \| good	0.318 \| good	1.51 \| good	0.125 \| good
2026-04-25T15:00:00.000Z	62 \| moderate	14.81 \| fine	65.863 \| fine	34.991 \| good	0.311 \| good	1.323 \| good	0.126 \| good
2026-04-25T16:00:00.000Z	67 \| moderate	17.868 \| fine	79.329 \| fine	33.58 \| good	0.324 \| good	1.112 \| good	0.13 \| good
2026-04-25T17:00:00.000Z	58 \| moderate	12.732 \| fine	57.434 \| fine	34.002 \| good	0.337 \| good	0.902 \| good	0.134 \| good
2026-04-25T18:00:00.000Z	62 \| moderate	15.241 \| fine	68.318 \| fine	32.728 \| good	0.35 \| good	0.691 \| good	0.138 \| good
2026-04-25T19:00:00.000Z	56 \| moderate	11.861 \| good	53.325 \| good	31.13 \| good	0.366 \| good	0.704 \| good	0.139 \| good
2026-04-25T20:00:00.000Z	56 \| moderate	11.533 \| good	51.016 \| good	31.924 \| good	0.381 \| good	0.717 \| good	0.14 \| good
2026-04-25T21:00:00.000Z	58 \| moderate	13.102 \| fine	58.761 \| fine	33.137 \| good	0.396 \| good	0.73 \| good	0.141 \| good
2026-04-25T22:00:00.000Z	56 \| moderate	11.749 \| good	52.496 \| good	33.244 \| good	0.394 \| good	1.058 \| good	0.142 \| good
2026-04-25T23:00:00.000Z	54 \| moderate	10.923 \| good	48.195 \| good	34.431 \| good	0.393 \| good	1.385 \| good	0.144 \| good
2026-04-26T00:00:00.000Z	56 \| moderate	11.586 \| good	51.306 \| good	33.301 \| good	0.391 \| good	1.712 \| good	0.145 \| good
2026-04-26T01:00:00.000Z	56 \| moderate	12.19 \| fine	54.448 \| good	31.229 \| good	0.378 \| good	2.006 \| good	0.143 \| good
2026-04-26T02:00:00.000Z	58 \| moderate	13.245 \| fine	59.574 \| fine	27.163 \| good	0.364 \| good	2.299 \| good	0.14 \| good
2026-04-26T03:00:00.000Z	60 \| moderate	13.663 \| fine	61.491 \| fine	23.403 \| good	0.351 \| good	2.593 \| good	0.138 \| good
2026-04-26T04:00:00.000Z	58 \| moderate	12.889 \| fine	57.499 \| fine	19.478 \| good	0.36 \| good	2.516 \| good	0.135 \| good
2026-04-26T05:00:00.000Z	58 \| moderate	13.416 \| fine	60.159 \| fine	19.163 \| good	0.369 \| good	2.439 \| good	0.132 \| good
2026-04-26T06:00:00.000Z	49 \| good	8.748 \| good	11.852 \| good	30.496 \| good	0.381 \| good	2.41 \| good	0.13 \| good
2026-04-26T07:00:00.000Z	64 \| moderate	16.393 \| fine	72.656 \| fine	18.142 \| good	0.358 \| good	2.218 \| good	0.127 \| good

Port Arthur

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

0.35ppm

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 05:00:00 on 2026-04-24.

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 03:00:00 on 2026-04-24.

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

The current air quality in Port Arthur, Texas is 75, 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 22.321 μg/m³.

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

The current PM₁₀ concentration at Port Arthur, Texas is 79.604 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 0.344 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 0.994 ppb.

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

The current ozone (O₃) concentration at Port Arthur, Texas is 35.052 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 2.283 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-22T08:00:00.000Z	84 \| moderate	26.695 \| fine	113.063 \| fine	32.516 \| good	1.185 \| good	4.813 \| good	0.185 \| good
2026-04-22T09:00:00.000Z	88 \| moderate	28.983 \| fine	121.049 \| fine	34.98 \| good	1.128 \| good	3.95 \| good	0.2 \| good
2026-04-22T10:00:00.000Z	92 \| moderate	30.598 \| fine	129.122 \| fine	37.909 \| good	1.207 \| good	5.656 \| good	0.2 \| good
2026-04-22T11:00:00.000Z	94 \| moderate	31.907 \| fine	134.992 \| fine	39.837 \| good	1.624 \| good	5.273 \| good	0.215 \| good
2026-04-22T12:00:00.000Z	99 \| moderate	34.962 \| fine	149.993 \| fine	36.864 \| good	1.388 \| good	7.024 \| good	0.277 \| good
2026-04-22T13:00:00.000Z	99 \| moderate	35.011 \| fine	149.152 \| fine	36.737 \| good	1.337 \| good	9.43 \| good	0.292 \| good
2026-04-22T14:00:00.000Z	110 \| sensitive	39.145 \| moderate	174.312 \| moderate	35.662 \| good	1.127 \| good	6.782 \| good	0.333 \| good
2026-04-22T15:00:00.000Z	105 \| sensitive	37.092 \| moderate	158.209 \| moderate	35.914 \| good	1.038 \| good	3.945 \| good	0.353 \| good
2026-04-22T16:00:00.000Z	99 \| moderate	35.082 \| fine	147.398 \| fine	39.386 \| good	1.046 \| good	2.845 \| good	0.23 \| good
2026-04-22T17:00:00.000Z	97 \| moderate	33.696 \| fine	144.306 \| fine	35.574 \| good	1.043 \| good	1.778 \| good	0.215 \| good
2026-04-22T18:00:00.000Z	88 \| moderate	28.959 \| fine	122.985 \| fine	37.754 \| good	1.026 \| good	1.878 \| good	0.215 \| good
2026-04-22T19:00:00.000Z	94 \| moderate	32.23 \| fine	134.562 \| fine	38.514 \| good	0.984 \| good	1.787 \| good	0.308 \| good
2026-04-22T20:00:00.000Z	69 \| moderate	19.088 \| fine	80.44 \| fine	39.254 \| good	1.012 \| good	2.837 \| good	0.326 \| good
2026-04-22T21:00:00.000Z	71 \| moderate	19.547 \| fine	83.341 \| fine	39.887 \| good	1.084 \| good	6.413 \| good	0.344 \| good
2026-04-22T22:00:00.000Z	69 \| moderate	18.884 \| fine	78.929 \| fine	41.188 \| good	1.083 \| good	2.819 \| good	0.344 \| good
2026-04-22T23:00:00.000Z	64 \| moderate	15.582 \| fine	67.304 \| fine	40.954 \| good	1.022 \| good	1.931 \| good	0.344 \| good
2026-04-23T00:00:00.000Z	56 \| moderate	12.252 \| fine	54.755 \| good	42.25 \| good	1.009 \| good	1.941 \| good	0.272 \| good
2026-04-23T01:00:00.000Z	62 \| moderate	14.61 \| fine	62.658 \| fine	37.734 \| good	1.009 \| good	2.306 \| good	0.272 \| good
2026-04-23T02:00:00.000Z	62 \| moderate	14.566 \| fine	63.201 \| fine	37.649 \| good	1.009 \| good	3.274 \| good	0.279 \| good
2026-04-23T03:00:00.000Z	71 \| moderate	20.43 \| fine	86.785 \| fine	35.561 \| good	0.98 \| good	3.511 \| good	0.272 \| good
2026-04-23T04:00:00.000Z	75 \| moderate	22.113 \| fine	93.107 \| fine	36.201 \| good	0.984 \| good	2.809 \| good	0.286 \| good
2026-04-23T05:00:00.000Z	77 \| moderate	23.008 \| fine	97.923 \| fine	37.163 \| good	0.987 \| good	2.951 \| good	0.258 \| good
2026-04-23T06:00:00.000Z	71 \| moderate	20.202 \| fine	87.442 \| fine	37.378 \| good	1.004 \| good	3.219 \| good	0.24 \| good
2026-04-23T07:00:00.000Z	75 \| moderate	22.476 \| fine	93.015 \| fine	37.911 \| good	1.056 \| good	2.88 \| good	0.237 \| good
2026-04-23T08:00:00.000Z	75 \| moderate	21.748 \| fine	93.538 \| fine	36.384 \| good	1.03 \| good	2.639 \| good	0.258 \| good
2026-04-23T09:00:00.000Z	71 \| moderate	20.433 \| fine	89.778 \| fine	32.127 \| good	1.063 \| good	3.205 \| good	0.24 \| good
2026-04-23T10:00:00.000Z	69 \| moderate	19.423 \| fine	83.554 \| fine	30.65 \| good	1.038 \| good	3.677 \| good	0.24 \| good
2026-04-23T11:00:00.000Z	73 \| moderate	20.792 \| fine	87.493 \| fine	34.64 \| good	1.152 \| good	5.477 \| good	0.232 \| good
2026-04-23T12:00:00.000Z	77 \| moderate	22.505 \| fine	95.903 \| fine	30.326 \| good	1.013 \| good	9.344 \| good	0.272 \| good
2026-04-23T13:00:00.000Z	75 \| moderate	22.147 \| fine	96.973 \| fine	34.894 \| good	1.038 \| good	4.869 \| good	0.3 \| good
2026-04-23T14:00:00.000Z	77 \| moderate	22.691 \| fine	98.93 \| fine	40.224 \| good	0.962 \| good	3.309 \| good	0.258 \| good
2026-04-23T15:00:00.000Z	77 \| moderate	23.25 \| fine	100.882 \| fine	33.835 \| good	0.979 \| good	2.949 \| good	0.272 \| good
2026-04-23T16:00:00.000Z	79 \| moderate	23.599 \| fine	101.868 \| fine	33.575 \| good	1.012 \| good	4.732 \| good	0.258 \| good
2026-04-23T17:00:00.000Z	77 \| moderate	22.933 \| fine	97.782 \| fine	35.077 \| good	1.06 \| good	5.844 \| good	0.272 \| good
2026-04-23T18:00:00.000Z	77 \| moderate	23.033 \| fine	98.908 \| fine	40.781 \| good	1.035 \| good	6.844 \| good	0.237 \| good
2026-04-23T19:00:00.000Z	71 \| moderate	20.48 \| fine	85.993 \| fine	41.458 \| good	1.06 \| good	4.893 \| good	0.251 \| good
2026-04-23T20:00:00.000Z	71 \| moderate	20.296 \| fine	86.685 \| fine	44.562 \| good	1.035 \| good	4.827 \| good	0.43 \| good
2026-04-23T21:00:00.000Z	75 \| moderate	21.527 \| fine	90.198 \| fine	45.141 \| good	0.98 \| good	6.025 \| good	0.404 \| good
2026-04-23T22:00:00.000Z	73 \| moderate	21.428 \| fine	91.22 \| fine	45.199 \| good	1.087 \| good	7.133 \| good	0.409 \| good
2026-04-23T23:00:00.000Z	73 \| moderate	21.39 \| fine	90.671 \| fine	41.778 \| good	1.106 \| good	6.494 \| good	0.404 \| good
2026-04-24T00:00:00.000Z	79 \| moderate	23.795 \| fine	102.242 \| fine	39.339 \| good	0.951 \| good	7.412 \| good	0.415 \| good
2026-04-24T01:00:00.000Z	79 \| moderate	23.505 \| fine	101.839 \| fine	37.716 \| good	0.925 \| good	7.485 \| good	0.415 \| good
2026-04-24T02:00:00.000Z	79 \| moderate	23.793 \| fine	100.919 \| fine	35.2 \| good	0.933 \| good	8.386 \| good	0.397 \| good
2026-04-24T03:00:00.000Z	54 \| moderate	11.019 \| good	48.888 \| good	35.483 \| good	0.232 \| good	1.382 \| good	0.115 \| good
2026-04-24T04:00:00.000Z	84 \| moderate	26.53 \| fine	109.301 \| fine	36.248 \| good	0.909 \| good	2.208 \| good	0.379 \| good
2026-04-24T05:00:00.000Z	88 \| moderate	29.091 \| fine	120.249 \| fine	35.558 \| good	0.919 \| good	2.329 \| good	0.361 \| good
2026-04-24T06:00:00.000Z	86 \| moderate	28.183 \| fine	118.242 \| fine	34.889 \| good	0.997 \| good	2.282 \| good	0.344 \| good
2026-04-24T07:00:00.000Z	75 \| moderate	22.321 \| fine	79.604 \| fine	35.052 \| good	0.994 \| good	2.283 \| good	0.344 \| good
2026-04-24T08:00:00.000Z	62 \| moderate	14.89 \| fine	66.656 \| fine	29.054 \| good	0.219 \| good	1.218 \| good	0.109 \| good
2026-04-24T09:00:00.000Z	64 \| moderate	15.595 \| fine	70.076 \| fine	27.145 \| good	0.22 \| good	1.177 \| good	0.108 \| good
2026-04-24T10:00:00.000Z	64 \| moderate	16.495 \| fine	73.324 \| fine	25.964 \| good	0.23 \| good	1.251 \| good	0.109 \| good
2026-04-24T11:00:00.000Z	64 \| moderate	15.567 \| fine	69.296 \| fine	26.267 \| good	0.239 \| good	1.325 \| good	0.109 \| good
2026-04-24T12:00:00.000Z	66 \| moderate	16.983 \| fine	75.208 \| fine	28.443 \| good	0.249 \| good	1.399 \| good	0.109 \| good
2026-04-24T13:00:00.000Z	62 \| moderate	15.107 \| fine	67.329 \| fine	31.26 \| good	0.261 \| good	1.302 \| good	0.11 \| good
2026-04-24T14:00:00.000Z	58 \| moderate	13.193 \| fine	59.464 \| fine	33.43 \| good	0.274 \| good	1.204 \| good	0.112 \| good
2026-04-24T15:00:00.000Z	60 \| moderate	14.494 \| fine	64.639 \| fine	35.236 \| good	0.287 \| good	1.106 \| good	0.113 \| good
2026-04-24T16:00:00.000Z	66 \| moderate	17.454 \| fine	77.329 \| fine	31.993 \| good	0.29 \| good	0.921 \| good	0.115 \| good
2026-04-24T17:00:00.000Z	56 \| moderate	11.753 \| good	52.446 \| good	30.591 \| good	0.292 \| good	0.736 \| good	0.117 \| good
2026-04-24T18:00:00.000Z	64 \| moderate	15.574 \| fine	69.329 \| fine	29.113 \| good	0.294 \| good	0.551 \| good	0.118 \| good
2026-04-24T19:00:00.000Z	58 \| moderate	12.872 \| fine	57.809 \| fine	28.475 \| good	0.281 \| good	0.555 \| good	0.119 \| good
2026-04-24T20:00:00.000Z	54 \| moderate	11.408 \| good	50.491 \| good	29.191 \| good	0.267 \| good	0.56 \| good	0.119 \| good
2026-04-24T21:00:00.000Z	58 \| moderate	12.792 \| fine	57.034 \| fine	30.253 \| good	0.253 \| good	0.565 \| good	0.12 \| good
2026-04-24T22:00:00.000Z	54 \| moderate	10.609 \| good	47.132 \| good	31.466 \| good	0.241 \| good	0.789 \| good	0.122 \| good
2026-04-24T23:00:00.000Z	44 \| good	8.432 \| good	36.833 \| good	32.071 \| good	0.23 \| good	1.013 \| good	0.125 \| good
2026-04-25T00:00:00.000Z	52 \| moderate	10.195 \| good	45.269 \| good	31.824 \| good	0.219 \| good	1.237 \| good	0.127 \| good
2026-04-25T01:00:00.000Z	56 \| moderate	12.138 \| fine	54.884 \| good	28.697 \| good	0.234 \| good	1.285 \| good	0.127 \| good
2026-04-25T02:00:00.000Z	60 \| moderate	13.563 \| fine	60.714 \| fine	25.483 \| good	0.249 \| good	1.334 \| good	0.126 \| good
2026-04-25T03:00:00.000Z	60 \| moderate	14.386 \| fine	64.318 \| fine	24.739 \| good	0.265 \| good	1.382 \| good	0.125 \| good
2026-04-25T04:00:00.000Z	60 \| moderate	13.889 \| fine	62.48 \| fine	22.451 \| good	0.278 \| good	1.499 \| good	0.125 \| good
2026-04-25T05:00:00.000Z	60 \| moderate	14.282 \| fine	63.645 \| fine	19.954 \| good	0.292 \| good	1.615 \| good	0.124 \| good
2026-04-25T06:00:00.000Z	54 \| moderate	11.343 \| good	50.255 \| good	19.165 \| good	0.306 \| good	1.732 \| good	0.124 \| good
2026-04-25T07:00:00.000Z	62 \| moderate	15.048 \| fine	66.703 \| fine	18.592 \| good	0.302 \| good	1.754 \| good	0.123 \| good
2026-04-25T08:00:00.000Z	58 \| moderate	13.482 \| fine	60.621 \| fine	17.224 \| good	0.299 \| good	1.775 \| good	0.122 \| good
2026-04-25T09:00:00.000Z	62 \| moderate	15.086 \| fine	67.347 \| fine	16.529 \| good	0.295 \| good	1.796 \| good	0.121 \| good
2026-04-25T10:00:00.000Z	64 \| moderate	15.81 \| fine	70.673 \| fine	15.339 \| good	0.308 \| good	1.826 \| good	0.121 \| good
2026-04-25T11:00:00.000Z	64 \| moderate	15.694 \| fine	69.506 \| fine	14.404 \| good	0.32 \| good	1.855 \| good	0.122 \| good
2026-04-25T12:00:00.000Z	66 \| moderate	16.964 \| fine	74.894 \| fine	18.236 \| good	0.333 \| good	1.885 \| good	0.122 \| good
2026-04-25T13:00:00.000Z	62 \| moderate	14.61 \| fine	65.788 \| fine	24.042 \| good	0.326 \| good	1.697 \| good	0.123 \| good
2026-04-25T14:00:00.000Z	58 \| moderate	13.043 \| fine	58.614 \| fine	29.675 \| good	0.318 \| good	1.51 \| good	0.125 \| good
2026-04-25T15:00:00.000Z	62 \| moderate	14.81 \| fine	65.863 \| fine	34.991 \| good	0.311 \| good	1.323 \| good	0.126 \| good
2026-04-25T16:00:00.000Z	67 \| moderate	17.868 \| fine	79.329 \| fine	33.58 \| good	0.324 \| good	1.112 \| good	0.13 \| good
2026-04-25T17:00:00.000Z	58 \| moderate	12.732 \| fine	57.434 \| fine	34.002 \| good	0.337 \| good	0.902 \| good	0.134 \| good
2026-04-25T18:00:00.000Z	62 \| moderate	15.241 \| fine	68.318 \| fine	32.728 \| good	0.35 \| good	0.691 \| good	0.138 \| good
2026-04-25T19:00:00.000Z	56 \| moderate	11.861 \| good	53.325 \| good	31.13 \| good	0.366 \| good	0.704 \| good	0.139 \| good
2026-04-25T20:00:00.000Z	56 \| moderate	11.533 \| good	51.016 \| good	31.924 \| good	0.381 \| good	0.717 \| good	0.14 \| good
2026-04-25T21:00:00.000Z	58 \| moderate	13.102 \| fine	58.761 \| fine	33.137 \| good	0.396 \| good	0.73 \| good	0.141 \| good
2026-04-25T22:00:00.000Z	56 \| moderate	11.749 \| good	52.496 \| good	33.244 \| good	0.394 \| good	1.058 \| good	0.142 \| good
2026-04-25T23:00:00.000Z	54 \| moderate	10.923 \| good	48.195 \| good	34.431 \| good	0.393 \| good	1.385 \| good	0.144 \| good
2026-04-26T00:00:00.000Z	56 \| moderate	11.586 \| good	51.306 \| good	33.301 \| good	0.391 \| good	1.712 \| good	0.145 \| good
2026-04-26T01:00:00.000Z	56 \| moderate	12.19 \| fine	54.448 \| good	31.229 \| good	0.378 \| good	2.006 \| good	0.143 \| good
2026-04-26T02:00:00.000Z	58 \| moderate	13.245 \| fine	59.574 \| fine	27.163 \| good	0.364 \| good	2.299 \| good	0.14 \| good
2026-04-26T03:00:00.000Z	60 \| moderate	13.663 \| fine	61.491 \| fine	23.403 \| good	0.351 \| good	2.593 \| good	0.138 \| good
2026-04-26T04:00:00.000Z	58 \| moderate	12.889 \| fine	57.499 \| fine	19.478 \| good	0.36 \| good	2.516 \| good	0.135 \| good
2026-04-26T05:00:00.000Z	58 \| moderate	13.416 \| fine	60.159 \| fine	19.163 \| good	0.369 \| good	2.439 \| good	0.132 \| good
2026-04-26T06:00:00.000Z	49 \| good	8.748 \| good	11.852 \| good	30.496 \| good	0.381 \| good	2.41 \| good	0.13 \| good
2026-04-26T07:00:00.000Z	64 \| moderate	16.393 \| fine	72.656 \| fine	18.142 \| good	0.358 \| good	2.218 \| good	0.127 \| good

Port Arthur, Texas live air quality index now

Major air pollutants in Port Arthur, Texas

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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

Air quality in nearby cities

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Frequently asked questions

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

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

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

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

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

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

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

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

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

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