What is the PM10 level in Katy, Texas at the moment?

The PM10 concentration in Katy, Texas is 33.6 μg/m3 at the moment.

What is the sulfur dioxide (SO2) level in Katy, Texas at the moment?

Currently, Katy, Texas has a sulfur dioxide (SO2) concentration of 0.634 ppb.

What is the ozone (O3) level in Katy, Texas at the moment?

The current ozone (O3) level in Katy, Texas at the moment is 41.127 ppm.

What is the nitrogen dioxide (NO2) level in Katy, Texas at the moment?

Nitrogen dioxide (NO2) level in Katy, Texas at the moment is 1.778 ppb.

Live air quality index in Katy, Texas today

Q: What is the PM2.5 level in Katy, Texas at the moment?

PM2.5 levels in Katy, Texas are currently 9.449 μg/m3.

Stay updated with real-time air quality in Katy, 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)

Good

Katy, Texas

Last updated: ... (Local time)

Major air pollutants in Katy, Texas

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

9.45 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

33.60 μg/m³

155

255

425

605+

Ozone (O₃)

41.13 ppb

201

201+

Sulfur Dioxide (SO₂)

0.63 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.78 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.53 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Katy, Texas

Get Live Pollen Counts

Katy, Texas

Scroll To Air Quality Map

Track live Katy, Texas air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-21T23:00:00.000Z	67 \| moderate	17.541 \| fine	76.668 \| fine	32.663 \| good	0.711 \| good	2.984 \| good	0.303 \| good
2026-07-22T00:00:00.000Z	64 \| moderate	15.818 \| fine	76.275 \| fine	33.397 \| good	0.69 \| good	3.319 \| good	0.312 \| good
2026-07-22T01:00:00.000Z	66 \| moderate	16.878 \| fine	63.508 \| fine	43.324 \| good	0.689 \| good	4.33 \| good	0.289 \| good
2026-07-22T02:00:00.000Z	64 \| moderate	16.403 \| fine	75.434 \| fine	30.333 \| good	0.648 \| good	3.802 \| good	0.289 \| good
2026-07-22T03:00:00.000Z	60 \| moderate	13.818 \| fine	66.637 \| fine	35.393 \| good	0.663 \| good	6.832 \| good	0.31 \| good
2026-07-22T04:00:00.000Z	66 \| moderate	17.08 \| fine	76.126 \| fine	30.282 \| good	0.691 \| good	4.803 \| good	0.288 \| good
2026-07-22T05:00:00.000Z	64 \| moderate	15.787 \| fine	65.017 \| fine	25.391 \| good	0.685 \| good	5.512 \| good	0.243 \| good
2026-07-22T06:00:00.000Z	69 \| moderate	19.273 \| fine	89.843 \| fine	20.562 \| good	0.539 \| good	6.463 \| good	0.2 \| good
2026-07-22T07:00:00.000Z	71 \| moderate	19.806 \| fine	83.524 \| fine	18.085 \| good	0.688 \| good	4.655 \| good	0.2 \| good
2026-07-22T08:00:00.000Z	69 \| moderate	18.525 \| fine	82.592 \| fine	12.823 \| good	0.709 \| good	3.839 \| good	0.221 \| good
2026-07-22T09:00:00.000Z	67 \| moderate	17.838 \| fine	79.894 \| fine	11.917 \| good	0.649 \| good	2.239 \| good	0.317 \| good
2026-07-22T10:00:00.000Z	66 \| moderate	17.182 \| fine	73.537 \| fine	8.448 \| good	0.54 \| good	2.091 \| good	0.243 \| good
2026-07-22T11:00:00.000Z	60 \| moderate	13.62 \| fine	65.373 \| fine	6.954 \| good	0.561 \| good	3.301 \| good	0.265 \| good
2026-07-22T12:00:00.000Z	60 \| moderate	13.999 \| fine	60.481 \| fine	10.142 \| good	0.558 \| good	4.972 \| good	0.345 \| good
2026-07-22T13:00:00.000Z	62 \| moderate	15.345 \| fine	67.579 \| fine	9.115 \| good	0.536 \| good	4.578 \| good	0.339 \| good
2026-07-22T14:00:00.000Z	62 \| moderate	14.855 \| fine	72.376 \| fine	6.559 \| good	0.561 \| good	4.573 \| good	0.302 \| good
2026-07-22T15:00:00.000Z	62 \| moderate	14.542 \| fine	66.267 \| fine	7.552 \| good	0.582 \| good	3.692 \| good	0.309 \| good
2026-07-22T16:00:00.000Z	60 \| moderate	14.47 \| fine	72.91 \| fine	16.835 \| good	0.54 \| good	2.681 \| good	0.343 \| good
2026-07-22T17:00:00.000Z	64 \| moderate	16.214 \| fine	73.722 \| fine	28.059 \| good	0.664 \| good	2.06 \| good	0.343 \| good
2026-07-22T18:00:00.000Z	72 \| moderate	18.491 \| fine	97.167 \| fine	30.192 \| good	0.622 \| good	1.54 \| good	0.343 \| good
2026-07-22T19:00:00.000Z	67 \| moderate	17.99 \| fine	79.561 \| fine	44.224 \| good	1.162 \| good	1.676 \| good	0.343 \| good
2026-07-22T20:00:00.000Z	67 \| moderate	18.333 \| fine	73.986 \| fine	52.813 \| good	0.683 \| good	1.485 \| good	0.343 \| good
2026-07-22T21:00:00.000Z	67 \| moderate	18.378 \| fine	72.613 \| fine	53.216 \| good	0.668 \| good	1.345 \| good	0.364 \| good
2026-07-22T22:00:00.000Z	67 \| moderate	17.535 \| fine	82.964 \| fine	47.388 \| good	0.668 \| good	1.395 \| good	0.343 \| good
2026-07-22T23:00:00.000Z	69 \| moderate	18.926 \| fine	85.395 \| fine	56.506 \| fine	0.648 \| good	1.379 \| good	0.343 \| good
2026-07-23T00:00:00.000Z	80 \| moderate	17.945 \| fine	82.774 \| fine	64.409 \| fine	0.71 \| good	1.267 \| good	0.364 \| good
2026-07-23T01:00:00.000Z	71 \| moderate	20.073 \| fine	83.723 \| fine	49.49 \| good	0.689 \| good	1.423 \| good	0.364 \| good
2026-07-23T02:00:00.000Z	71 \| moderate	19.61 \| fine	72.069 \| fine	44.1 \| good	0.668 \| good	1.631 \| good	0.363 \| good
2026-07-23T03:00:00.000Z	44 \| good	7.551 \| good	33.18 \| good	31.091 \| good	0.637 \| good	9.893 \| good	0.203 \| good
2026-07-23T04:00:00.000Z	62 \| moderate	14.776 \| fine	58.692 \| fine	42.721 \| good	0.629 \| good	2.791 \| good	0.342 \| good
2026-07-23T05:00:00.000Z	64 \| moderate	15.601 \| fine	35.504 \| good	23.239 \| good	0.67 \| good	2.019 \| good	0.322 \| good
2026-07-23T06:00:00.000Z	67 \| moderate	17.711 \| fine	67.17 \| fine	21.095 \| good	0.567 \| good	2.234 \| good	0.343 \| good
2026-07-23T07:00:00.000Z	64 \| moderate	16.404 \| fine	66.302 \| fine	27.692 \| good	0.631 \| good	2.282 \| good	0.322 \| good
2026-07-23T08:00:00.000Z	62 \| moderate	15.183 \| fine	56.89 \| fine	27.873 \| good	0.609 \| good	2.214 \| good	0.322 \| good
2026-07-23T09:00:00.000Z	62 \| moderate	14.701 \| fine	58.861 \| fine	25.156 \| good	0.583 \| good	2.874 \| good	0.322 \| good
2026-07-23T10:00:00.000Z	64 \| moderate	15.857 \| fine	69.948 \| fine	20.905 \| good	0.541 \| good	2.237 \| good	0.343 \| good
2026-07-23T11:00:00.000Z	60 \| moderate	13.785 \| fine	60.649 \| fine	24.246 \| good	0.711 \| good	3.634 \| good	0.343 \| good
2026-07-23T12:00:00.000Z	62 \| moderate	14.601 \| fine	65.525 \| fine	23.118 \| good	0.503 \| good	3.261 \| good	0.444 \| good
2026-07-23T13:00:00.000Z	62 \| moderate	14.919 \| fine	57.693 \| fine	20.828 \| good	0.706 \| good	4.175 \| good	0.424 \| good
2026-07-23T14:00:00.000Z	64 \| moderate	16.008 \| fine	56.201 \| fine	29.059 \| good	0.961 \| good	3.084 \| good	0.444 \| good
2026-07-23T15:00:00.000Z	62 \| moderate	14.717 \| fine	49.697 \| good	32.825 \| good	0.626 \| good	2.606 \| good	0.444 \| good
2026-07-23T16:00:00.000Z	60 \| moderate	13.933 \| fine	60.847 \| fine	34.828 \| good	0.585 \| good	1.925 \| good	0.444 \| good
2026-07-23T17:00:00.000Z	58 \| moderate	13.039 \| fine	49.545 \| good	39.518 \| good	0.558 \| good	2.05 \| good	0.583 \| good
2026-07-23T18:00:00.000Z	58 \| moderate	12.586 \| fine	45.088 \| good	39.785 \| good	0.576 \| good	1.428 \| good	0.583 \| good
2026-07-23T19:00:00.000Z	58 \| moderate	12.572 \| fine	52.593 \| good	34.155 \| good	0.63 \| good	1.289 \| good	0.548 \| good
2026-07-23T20:00:00.000Z	44 \| good	7.854 \| good	28.218 \| good	41.658 \| good	0.555 \| good	2.079 \| good	0.529 \| good
2026-07-23T21:00:00.000Z	49 \| good	9.449 \| good	33.6 \| good	41.127 \| good	0.634 \| good	1.778 \| good	0.529 \| good
2026-07-23T22:00:00.000Z	49 \| good	9.449 \| good	33.6 \| good	41.127 \| good	0.634 \| good	1.778 \| good	0.529 \| good
2026-07-23T23:00:00.000Z	33 \| good	6.227 \| good	27.461 \| good	35.223 \| good	0.374 \| good	1.802 \| good	0.144 \| good
2026-07-24T00:00:00.000Z	34 \| good	5.885 \| good	25.539 \| good	37.339 \| good	0.423 \| good	3.541 \| good	0.149 \| good
2026-07-24T01:00:00.000Z	34 \| good	3.847 \| good	16.89 \| good	36.884 \| good	0.467 \| good	4.758 \| good	0.154 \| good
2026-07-24T02:00:00.000Z	32 \| good	5.189 \| good	22.231 \| good	34.918 \| good	0.53 \| good	4.975 \| good	0.155 \| good
2026-07-24T03:00:00.000Z	44 \| good	7.512 \| good	33.215 \| good	30.372 \| good	0.585 \| good	4.765 \| good	0.154 \| good
2026-07-24T04:00:00.000Z	54 \| moderate	10.588 \| good	46.671 \| good	26.045 \| good	0.684 \| good	4.676 \| good	0.152 \| good
2026-07-24T05:00:00.000Z	56 \| moderate	11.575 \| good	51.108 \| good	22.553 \| good	0.792 \| good	4.644 \| good	0.15 \| good
2026-07-24T06:00:00.000Z	56 \| moderate	12.193 \| fine	55.049 \| fine	19.097 \| good	0.79 \| good	3.851 \| good	0.145 \| good
2026-07-24T07:00:00.000Z	58 \| moderate	12.536 \| fine	56.678 \| fine	16.247 \| good	0.705 \| good	3.075 \| good	0.138 \| good
2026-07-24T08:00:00.000Z	54 \| moderate	11.056 \| good	49.087 \| good	13.912 \| good	0.638 \| good	2.709 \| good	0.133 \| good
2026-07-24T09:00:00.000Z	54 \| moderate	10.654 \| good	47.233 \| good	13.371 \| good	0.608 \| good	2.705 \| good	0.129 \| good
2026-07-24T10:00:00.000Z	52 \| moderate	10.355 \| good	45.768 \| good	11.718 \| good	0.596 \| good	2.843 \| good	0.127 \| good
2026-07-24T11:00:00.000Z	49 \| good	9.48 \| good	42.135 \| good	10.673 \| good	0.59 \| good	3.083 \| good	0.125 \| good
2026-07-24T12:00:00.000Z	52 \| moderate	10.476 \| good	46.305 \| good	8.477 \| good	0.58 \| good	3.421 \| good	0.126 \| good
2026-07-24T13:00:00.000Z	56 \| moderate	12.427 \| fine	55.579 \| fine	11.889 \| good	0.562 \| good	3.501 \| good	0.13 \| good
2026-07-24T14:00:00.000Z	60 \| moderate	13.697 \| fine	61.448 \| fine	19.075 \| good	0.597 \| good	2.693 \| good	0.129 \| good
2026-07-24T15:00:00.000Z	62 \| moderate	14.924 \| fine	67.113 \| fine	22.089 \| good	0.584 \| good	1.439 \| good	0.122 \| good
2026-07-24T16:00:00.000Z	60 \| moderate	13.93 \| fine	62.801 \| fine	25.561 \| good	0.52 \| good	0.847 \| good	0.118 \| good
2026-07-24T17:00:00.000Z	62 \| moderate	14.536 \| fine	65.277 \| fine	27.774 \| good	0.494 \| good	0.642 \| good	0.119 \| good
2026-07-24T18:00:00.000Z	66 \| moderate	16.714 \| fine	74.098 \| fine	27.013 \| good	0.479 \| good	0.554 \| good	0.122 \| good
2026-07-24T19:00:00.000Z	66 \| moderate	17.264 \| fine	77.06 \| fine	26.628 \| good	0.472 \| good	0.536 \| good	0.126 \| good
2026-07-24T20:00:00.000Z	67 \| moderate	17.694 \| fine	78.103 \| fine	26.772 \| good	0.469 \| good	0.554 \| good	0.131 \| good
2026-07-24T21:00:00.000Z	67 \| moderate	17.928 \| fine	79.448 \| fine	26.773 \| good	0.476 \| good	0.599 \| good	0.135 \| good
2026-07-24T22:00:00.000Z	67 \| moderate	18.417 \| fine	81.258 \| fine	26.367 \| good	0.491 \| good	0.679 \| good	0.139 \| good
2026-07-24T23:00:00.000Z	64 \| moderate	16.259 \| fine	72.657 \| fine	26.456 \| good	0.513 \| good	0.862 \| good	0.142 \| good
2026-07-25T00:00:00.000Z	58 \| moderate	12.796 \| fine	57.267 \| fine	23.304 \| good	0.557 \| good	1.207 \| good	0.144 \| good
2026-07-25T01:00:00.000Z	58 \| moderate	12.595 \| fine	56.852 \| fine	19.016 \| good	0.594 \| good	1.815 \| good	0.146 \| good
2026-07-25T02:00:00.000Z	54 \| moderate	10.758 \| good	47.877 \| good	15.186 \| good	0.631 \| good	2.844 \| good	0.148 \| good
2026-07-25T03:00:00.000Z	54 \| moderate	10.665 \| good	47.169 \| good	12.923 \| good	0.655 \| good	3.562 \| good	0.149 \| good
2026-07-25T04:00:00.000Z	56 \| moderate	11.678 \| good	51.63 \| good	12.343 \| good	0.663 \| good	4.097 \| good	0.15 \| good
2026-07-25T05:00:00.000Z	56 \| moderate	12.098 \| good	54.165 \| good	11.833 \| good	0.655 \| good	4.437 \| good	0.15 \| good
2026-07-25T06:00:00.000Z	56 \| moderate	12.168 \| fine	54.824 \| good	10.954 \| good	0.637 \| good	4.413 \| good	0.149 \| good
2026-07-25T07:00:00.000Z	56 \| moderate	12.058 \| good	54.254 \| good	10.806 \| good	0.612 \| good	4.277 \| good	0.147 \| good
2026-07-25T08:00:00.000Z	54 \| moderate	10.997 \| good	48.514 \| good	10.863 \| good	0.584 \| good	4.196 \| good	0.144 \| good
2026-07-25T09:00:00.000Z	54 \| moderate	10.621 \| good	47.106 \| good	10.306 \| good	0.556 \| good	4.183 \| good	0.141 \| good
2026-07-25T10:00:00.000Z	52 \| moderate	9.605 \| good	42.781 \| good	8.745 \| good	0.532 \| good	4.271 \| good	0.139 \| good
2026-07-25T11:00:00.000Z	44 \| good	7.719 \| good	33.997 \| good	8.452 \| good	0.515 \| good	4.544 \| good	0.138 \| good
2026-07-25T12:00:00.000Z	52 \| moderate	9.616 \| good	42.803 \| good	8.08 \| good	0.502 \| good	4.978 \| good	0.139 \| good
2026-07-25T13:00:00.000Z	56 \| moderate	12.059 \| good	53.971 \| good	12.073 \| good	0.491 \| good	4.125 \| good	0.137 \| good
2026-07-25T14:00:00.000Z	58 \| moderate	13.123 \| fine	58.946 \| fine	20.168 \| good	0.514 \| good	2.542 \| good	0.126 \| good
2026-07-25T15:00:00.000Z	56 \| moderate	12.082 \| good	53.992 \| good	25.379 \| good	0.511 \| good	1.173 \| good	0.116 \| good
2026-07-25T16:00:00.000Z	56 \| moderate	11.873 \| good	52.716 \| good	31.307 \| good	0.483 \| good	0.762 \| good	0.114 \| good
2026-07-25T17:00:00.000Z	54 \| moderate	10.745 \| good	47.52 \| good	35.492 \| good	0.481 \| good	0.621 \| good	0.114 \| good
2026-07-25T18:00:00.000Z	52 \| moderate	10.245 \| good	45.521 \| good	37.478 \| good	0.501 \| good	0.561 \| good	0.114 \| good
2026-07-25T19:00:00.000Z	54 \| moderate	10.516 \| good	46.269 \| good	36.255 \| good	0.543 \| good	0.572 \| good	0.114 \| good
2026-07-25T20:00:00.000Z	54 \| moderate	10.612 \| good	46.87 \| good	36.734 \| good	0.6 \| good	0.6 \| good	0.116 \| good
2026-07-25T21:00:00.000Z	56 \| moderate	12.098 \| good	54.34 \| good	37.564 \| good	0.671 \| good	0.652 \| good	0.117 \| good
2026-07-25T22:00:00.000Z	49 \| good	9.052 \| good	39.678 \| good	39.385 \| good	0.739 \| good	0.745 \| good	0.118 \| good

Katy

Get reliable air quality data to drive your business

Katy, Texas air quality map: Stay updated on AQI near you

0.69ppm

How accurate is Texas, USA air quality data?

Air quality and pollutant data for Texas, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

Frequently asked questions

How often is air quality information updated for Katy, Texas?

The air quality information for Katy, Texas is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Katy, Texas at its worst?

In the past 24 hours, the air quality in Katy, Texas was at its worst at 12:00:00 on 2026-07-23.

When did Katy, Texas experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Katy, Texas was observed at 08:00:00 on 2026-07-23.

What is the AQI in Katy, Texas right now?

As of now, the AQI in Katy, Texas is 49, indicating Good conditions.

What is the most common type of pollution in Katy, Texas?

Katy, Texas air has the highest levels of PM2.5.

What should I do in case of poor air quality in Katy, Texas?

Poor air quality in Katy, Texas means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in Katy, Texas at the moment?

PM_2.5 levels in Katy, Texas are currently 9.449 μg/m³.

What is the PM₁₀ level in Katy, Texas at the moment?

The PM₁₀ concentration in Katy, Texas is 33.6 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Katy, Texas at the moment?

The current carbon monoxide (CO) concentration in Katy, Texas is 0.529 ppm.

What is the sulfur dioxide (SO₂) level in Katy, Texas at the moment?

Currently, Katy, Texas has a sulfur dioxide (SO₂) concentration of 0.634 ppb.

What is the ozone (O₃) level in Katy, Texas at the moment?

The current ozone (O₃) level in Katy, Texas at the moment is 41.127 ppm.

What is the nitrogen dioxide (NO₂) level in Katy, Texas at the moment?

Nitrogen dioxide (NO₂) level in Katy, Texas at the moment is 1.778 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-21T23:00:00.000Z	67 \| moderate	17.541 \| fine	76.668 \| fine	32.663 \| good	0.711 \| good	2.984 \| good	0.303 \| good
2026-07-22T00:00:00.000Z	64 \| moderate	15.818 \| fine	76.275 \| fine	33.397 \| good	0.69 \| good	3.319 \| good	0.312 \| good
2026-07-22T01:00:00.000Z	66 \| moderate	16.878 \| fine	63.508 \| fine	43.324 \| good	0.689 \| good	4.33 \| good	0.289 \| good
2026-07-22T02:00:00.000Z	64 \| moderate	16.403 \| fine	75.434 \| fine	30.333 \| good	0.648 \| good	3.802 \| good	0.289 \| good
2026-07-22T03:00:00.000Z	60 \| moderate	13.818 \| fine	66.637 \| fine	35.393 \| good	0.663 \| good	6.832 \| good	0.31 \| good
2026-07-22T04:00:00.000Z	66 \| moderate	17.08 \| fine	76.126 \| fine	30.282 \| good	0.691 \| good	4.803 \| good	0.288 \| good
2026-07-22T05:00:00.000Z	64 \| moderate	15.787 \| fine	65.017 \| fine	25.391 \| good	0.685 \| good	5.512 \| good	0.243 \| good
2026-07-22T06:00:00.000Z	69 \| moderate	19.273 \| fine	89.843 \| fine	20.562 \| good	0.539 \| good	6.463 \| good	0.2 \| good
2026-07-22T07:00:00.000Z	71 \| moderate	19.806 \| fine	83.524 \| fine	18.085 \| good	0.688 \| good	4.655 \| good	0.2 \| good
2026-07-22T08:00:00.000Z	69 \| moderate	18.525 \| fine	82.592 \| fine	12.823 \| good	0.709 \| good	3.839 \| good	0.221 \| good
2026-07-22T09:00:00.000Z	67 \| moderate	17.838 \| fine	79.894 \| fine	11.917 \| good	0.649 \| good	2.239 \| good	0.317 \| good
2026-07-22T10:00:00.000Z	66 \| moderate	17.182 \| fine	73.537 \| fine	8.448 \| good	0.54 \| good	2.091 \| good	0.243 \| good
2026-07-22T11:00:00.000Z	60 \| moderate	13.62 \| fine	65.373 \| fine	6.954 \| good	0.561 \| good	3.301 \| good	0.265 \| good
2026-07-22T12:00:00.000Z	60 \| moderate	13.999 \| fine	60.481 \| fine	10.142 \| good	0.558 \| good	4.972 \| good	0.345 \| good
2026-07-22T13:00:00.000Z	62 \| moderate	15.345 \| fine	67.579 \| fine	9.115 \| good	0.536 \| good	4.578 \| good	0.339 \| good
2026-07-22T14:00:00.000Z	62 \| moderate	14.855 \| fine	72.376 \| fine	6.559 \| good	0.561 \| good	4.573 \| good	0.302 \| good
2026-07-22T15:00:00.000Z	62 \| moderate	14.542 \| fine	66.267 \| fine	7.552 \| good	0.582 \| good	3.692 \| good	0.309 \| good
2026-07-22T16:00:00.000Z	60 \| moderate	14.47 \| fine	72.91 \| fine	16.835 \| good	0.54 \| good	2.681 \| good	0.343 \| good
2026-07-22T17:00:00.000Z	64 \| moderate	16.214 \| fine	73.722 \| fine	28.059 \| good	0.664 \| good	2.06 \| good	0.343 \| good
2026-07-22T18:00:00.000Z	72 \| moderate	18.491 \| fine	97.167 \| fine	30.192 \| good	0.622 \| good	1.54 \| good	0.343 \| good
2026-07-22T19:00:00.000Z	67 \| moderate	17.99 \| fine	79.561 \| fine	44.224 \| good	1.162 \| good	1.676 \| good	0.343 \| good
2026-07-22T20:00:00.000Z	67 \| moderate	18.333 \| fine	73.986 \| fine	52.813 \| good	0.683 \| good	1.485 \| good	0.343 \| good
2026-07-22T21:00:00.000Z	67 \| moderate	18.378 \| fine	72.613 \| fine	53.216 \| good	0.668 \| good	1.345 \| good	0.364 \| good
2026-07-22T22:00:00.000Z	67 \| moderate	17.535 \| fine	82.964 \| fine	47.388 \| good	0.668 \| good	1.395 \| good	0.343 \| good
2026-07-22T23:00:00.000Z	69 \| moderate	18.926 \| fine	85.395 \| fine	56.506 \| fine	0.648 \| good	1.379 \| good	0.343 \| good
2026-07-23T00:00:00.000Z	80 \| moderate	17.945 \| fine	82.774 \| fine	64.409 \| fine	0.71 \| good	1.267 \| good	0.364 \| good
2026-07-23T01:00:00.000Z	71 \| moderate	20.073 \| fine	83.723 \| fine	49.49 \| good	0.689 \| good	1.423 \| good	0.364 \| good
2026-07-23T02:00:00.000Z	71 \| moderate	19.61 \| fine	72.069 \| fine	44.1 \| good	0.668 \| good	1.631 \| good	0.363 \| good
2026-07-23T03:00:00.000Z	44 \| good	7.551 \| good	33.18 \| good	31.091 \| good	0.637 \| good	9.893 \| good	0.203 \| good
2026-07-23T04:00:00.000Z	62 \| moderate	14.776 \| fine	58.692 \| fine	42.721 \| good	0.629 \| good	2.791 \| good	0.342 \| good
2026-07-23T05:00:00.000Z	64 \| moderate	15.601 \| fine	35.504 \| good	23.239 \| good	0.67 \| good	2.019 \| good	0.322 \| good
2026-07-23T06:00:00.000Z	67 \| moderate	17.711 \| fine	67.17 \| fine	21.095 \| good	0.567 \| good	2.234 \| good	0.343 \| good
2026-07-23T07:00:00.000Z	64 \| moderate	16.404 \| fine	66.302 \| fine	27.692 \| good	0.631 \| good	2.282 \| good	0.322 \| good
2026-07-23T08:00:00.000Z	62 \| moderate	15.183 \| fine	56.89 \| fine	27.873 \| good	0.609 \| good	2.214 \| good	0.322 \| good
2026-07-23T09:00:00.000Z	62 \| moderate	14.701 \| fine	58.861 \| fine	25.156 \| good	0.583 \| good	2.874 \| good	0.322 \| good
2026-07-23T10:00:00.000Z	64 \| moderate	15.857 \| fine	69.948 \| fine	20.905 \| good	0.541 \| good	2.237 \| good	0.343 \| good
2026-07-23T11:00:00.000Z	60 \| moderate	13.785 \| fine	60.649 \| fine	24.246 \| good	0.711 \| good	3.634 \| good	0.343 \| good
2026-07-23T12:00:00.000Z	62 \| moderate	14.601 \| fine	65.525 \| fine	23.118 \| good	0.503 \| good	3.261 \| good	0.444 \| good
2026-07-23T13:00:00.000Z	62 \| moderate	14.919 \| fine	57.693 \| fine	20.828 \| good	0.706 \| good	4.175 \| good	0.424 \| good
2026-07-23T14:00:00.000Z	64 \| moderate	16.008 \| fine	56.201 \| fine	29.059 \| good	0.961 \| good	3.084 \| good	0.444 \| good
2026-07-23T15:00:00.000Z	62 \| moderate	14.717 \| fine	49.697 \| good	32.825 \| good	0.626 \| good	2.606 \| good	0.444 \| good
2026-07-23T16:00:00.000Z	60 \| moderate	13.933 \| fine	60.847 \| fine	34.828 \| good	0.585 \| good	1.925 \| good	0.444 \| good
2026-07-23T17:00:00.000Z	58 \| moderate	13.039 \| fine	49.545 \| good	39.518 \| good	0.558 \| good	2.05 \| good	0.583 \| good
2026-07-23T18:00:00.000Z	58 \| moderate	12.586 \| fine	45.088 \| good	39.785 \| good	0.576 \| good	1.428 \| good	0.583 \| good
2026-07-23T19:00:00.000Z	58 \| moderate	12.572 \| fine	52.593 \| good	34.155 \| good	0.63 \| good	1.289 \| good	0.548 \| good
2026-07-23T20:00:00.000Z	44 \| good	7.854 \| good	28.218 \| good	41.658 \| good	0.555 \| good	2.079 \| good	0.529 \| good
2026-07-23T21:00:00.000Z	49 \| good	9.449 \| good	33.6 \| good	41.127 \| good	0.634 \| good	1.778 \| good	0.529 \| good
2026-07-23T22:00:00.000Z	49 \| good	9.449 \| good	33.6 \| good	41.127 \| good	0.634 \| good	1.778 \| good	0.529 \| good
2026-07-23T23:00:00.000Z	33 \| good	6.227 \| good	27.461 \| good	35.223 \| good	0.374 \| good	1.802 \| good	0.144 \| good
2026-07-24T00:00:00.000Z	34 \| good	5.885 \| good	25.539 \| good	37.339 \| good	0.423 \| good	3.541 \| good	0.149 \| good
2026-07-24T01:00:00.000Z	34 \| good	3.847 \| good	16.89 \| good	36.884 \| good	0.467 \| good	4.758 \| good	0.154 \| good
2026-07-24T02:00:00.000Z	32 \| good	5.189 \| good	22.231 \| good	34.918 \| good	0.53 \| good	4.975 \| good	0.155 \| good
2026-07-24T03:00:00.000Z	44 \| good	7.512 \| good	33.215 \| good	30.372 \| good	0.585 \| good	4.765 \| good	0.154 \| good
2026-07-24T04:00:00.000Z	54 \| moderate	10.588 \| good	46.671 \| good	26.045 \| good	0.684 \| good	4.676 \| good	0.152 \| good
2026-07-24T05:00:00.000Z	56 \| moderate	11.575 \| good	51.108 \| good	22.553 \| good	0.792 \| good	4.644 \| good	0.15 \| good
2026-07-24T06:00:00.000Z	56 \| moderate	12.193 \| fine	55.049 \| fine	19.097 \| good	0.79 \| good	3.851 \| good	0.145 \| good
2026-07-24T07:00:00.000Z	58 \| moderate	12.536 \| fine	56.678 \| fine	16.247 \| good	0.705 \| good	3.075 \| good	0.138 \| good
2026-07-24T08:00:00.000Z	54 \| moderate	11.056 \| good	49.087 \| good	13.912 \| good	0.638 \| good	2.709 \| good	0.133 \| good
2026-07-24T09:00:00.000Z	54 \| moderate	10.654 \| good	47.233 \| good	13.371 \| good	0.608 \| good	2.705 \| good	0.129 \| good
2026-07-24T10:00:00.000Z	52 \| moderate	10.355 \| good	45.768 \| good	11.718 \| good	0.596 \| good	2.843 \| good	0.127 \| good
2026-07-24T11:00:00.000Z	49 \| good	9.48 \| good	42.135 \| good	10.673 \| good	0.59 \| good	3.083 \| good	0.125 \| good
2026-07-24T12:00:00.000Z	52 \| moderate	10.476 \| good	46.305 \| good	8.477 \| good	0.58 \| good	3.421 \| good	0.126 \| good
2026-07-24T13:00:00.000Z	56 \| moderate	12.427 \| fine	55.579 \| fine	11.889 \| good	0.562 \| good	3.501 \| good	0.13 \| good
2026-07-24T14:00:00.000Z	60 \| moderate	13.697 \| fine	61.448 \| fine	19.075 \| good	0.597 \| good	2.693 \| good	0.129 \| good
2026-07-24T15:00:00.000Z	62 \| moderate	14.924 \| fine	67.113 \| fine	22.089 \| good	0.584 \| good	1.439 \| good	0.122 \| good
2026-07-24T16:00:00.000Z	60 \| moderate	13.93 \| fine	62.801 \| fine	25.561 \| good	0.52 \| good	0.847 \| good	0.118 \| good
2026-07-24T17:00:00.000Z	62 \| moderate	14.536 \| fine	65.277 \| fine	27.774 \| good	0.494 \| good	0.642 \| good	0.119 \| good
2026-07-24T18:00:00.000Z	66 \| moderate	16.714 \| fine	74.098 \| fine	27.013 \| good	0.479 \| good	0.554 \| good	0.122 \| good
2026-07-24T19:00:00.000Z	66 \| moderate	17.264 \| fine	77.06 \| fine	26.628 \| good	0.472 \| good	0.536 \| good	0.126 \| good
2026-07-24T20:00:00.000Z	67 \| moderate	17.694 \| fine	78.103 \| fine	26.772 \| good	0.469 \| good	0.554 \| good	0.131 \| good
2026-07-24T21:00:00.000Z	67 \| moderate	17.928 \| fine	79.448 \| fine	26.773 \| good	0.476 \| good	0.599 \| good	0.135 \| good
2026-07-24T22:00:00.000Z	67 \| moderate	18.417 \| fine	81.258 \| fine	26.367 \| good	0.491 \| good	0.679 \| good	0.139 \| good
2026-07-24T23:00:00.000Z	64 \| moderate	16.259 \| fine	72.657 \| fine	26.456 \| good	0.513 \| good	0.862 \| good	0.142 \| good
2026-07-25T00:00:00.000Z	58 \| moderate	12.796 \| fine	57.267 \| fine	23.304 \| good	0.557 \| good	1.207 \| good	0.144 \| good
2026-07-25T01:00:00.000Z	58 \| moderate	12.595 \| fine	56.852 \| fine	19.016 \| good	0.594 \| good	1.815 \| good	0.146 \| good
2026-07-25T02:00:00.000Z	54 \| moderate	10.758 \| good	47.877 \| good	15.186 \| good	0.631 \| good	2.844 \| good	0.148 \| good
2026-07-25T03:00:00.000Z	54 \| moderate	10.665 \| good	47.169 \| good	12.923 \| good	0.655 \| good	3.562 \| good	0.149 \| good
2026-07-25T04:00:00.000Z	56 \| moderate	11.678 \| good	51.63 \| good	12.343 \| good	0.663 \| good	4.097 \| good	0.15 \| good
2026-07-25T05:00:00.000Z	56 \| moderate	12.098 \| good	54.165 \| good	11.833 \| good	0.655 \| good	4.437 \| good	0.15 \| good
2026-07-25T06:00:00.000Z	56 \| moderate	12.168 \| fine	54.824 \| good	10.954 \| good	0.637 \| good	4.413 \| good	0.149 \| good
2026-07-25T07:00:00.000Z	56 \| moderate	12.058 \| good	54.254 \| good	10.806 \| good	0.612 \| good	4.277 \| good	0.147 \| good
2026-07-25T08:00:00.000Z	54 \| moderate	10.997 \| good	48.514 \| good	10.863 \| good	0.584 \| good	4.196 \| good	0.144 \| good
2026-07-25T09:00:00.000Z	54 \| moderate	10.621 \| good	47.106 \| good	10.306 \| good	0.556 \| good	4.183 \| good	0.141 \| good
2026-07-25T10:00:00.000Z	52 \| moderate	9.605 \| good	42.781 \| good	8.745 \| good	0.532 \| good	4.271 \| good	0.139 \| good
2026-07-25T11:00:00.000Z	44 \| good	7.719 \| good	33.997 \| good	8.452 \| good	0.515 \| good	4.544 \| good	0.138 \| good
2026-07-25T12:00:00.000Z	52 \| moderate	9.616 \| good	42.803 \| good	8.08 \| good	0.502 \| good	4.978 \| good	0.139 \| good
2026-07-25T13:00:00.000Z	56 \| moderate	12.059 \| good	53.971 \| good	12.073 \| good	0.491 \| good	4.125 \| good	0.137 \| good
2026-07-25T14:00:00.000Z	58 \| moderate	13.123 \| fine	58.946 \| fine	20.168 \| good	0.514 \| good	2.542 \| good	0.126 \| good
2026-07-25T15:00:00.000Z	56 \| moderate	12.082 \| good	53.992 \| good	25.379 \| good	0.511 \| good	1.173 \| good	0.116 \| good
2026-07-25T16:00:00.000Z	56 \| moderate	11.873 \| good	52.716 \| good	31.307 \| good	0.483 \| good	0.762 \| good	0.114 \| good
2026-07-25T17:00:00.000Z	54 \| moderate	10.745 \| good	47.52 \| good	35.492 \| good	0.481 \| good	0.621 \| good	0.114 \| good
2026-07-25T18:00:00.000Z	52 \| moderate	10.245 \| good	45.521 \| good	37.478 \| good	0.501 \| good	0.561 \| good	0.114 \| good
2026-07-25T19:00:00.000Z	54 \| moderate	10.516 \| good	46.269 \| good	36.255 \| good	0.543 \| good	0.572 \| good	0.114 \| good
2026-07-25T20:00:00.000Z	54 \| moderate	10.612 \| good	46.87 \| good	36.734 \| good	0.6 \| good	0.6 \| good	0.116 \| good
2026-07-25T21:00:00.000Z	56 \| moderate	12.098 \| good	54.34 \| good	37.564 \| good	0.671 \| good	0.652 \| good	0.117 \| good
2026-07-25T22:00:00.000Z	49 \| good	9.052 \| good	39.678 \| good	39.385 \| good	0.739 \| good	0.745 \| good	0.118 \| good

Live air quality index in Katy, Texas today

Major air pollutants in Katy, Texas

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Katy, Texas air quality forecast and history

Get reliable air quality data to drive your business

Katy, Texas air quality map: Stay updated on AQI near you

Air quality in nearby cities

Cinco Ranch, Texas

Fulshear, Texas

Mission Bend, Texas

Four Corners, Texas

Pecan Grove, Texas

Richmond, Texas

How accurate is Texas, USA air quality data?

Air quality levels in US

Frequently asked questions

How often is air quality information updated for Katy, Texas?

What time in the last 24 hours was the air quality in Katy, Texas at its worst?

When did Katy, Texas experience the best air quality in the last 24 hours?

What is the AQI in Katy, Texas right now?

What is the most common type of pollution in Katy, Texas?

What should I do in case of poor air quality in Katy, Texas?

What is the PM2.5 level in Katy, Texas at the moment?

What is the PM10 level in Katy, Texas at the moment?

What is the carbon monoxide (CO) level in Katy, Texas at the moment?

What is the sulfur dioxide (SO2) level in Katy, Texas at the moment?

What is the ozone (O3) level in Katy, Texas at the moment?

What is the nitrogen dioxide (NO2) level in Katy, Texas at the moment?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 level in Katy, Texas at the moment?

What is the PM₁₀ level in Katy, Texas at the moment?

What is the sulfur dioxide (SO₂) level in Katy, Texas at the moment?

What is the ozone (O₃) level in Katy, Texas at the moment?

What is the nitrogen dioxide (NO₂) level in Katy, Texas at the moment?