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

The PM10 concentration in Katy, Texas is 34.962 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 0.544 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 17.946 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 2.299 ppb.

Live air quality index in Katy, Texas today

Name: Live air pollution levels in Katy, Texas today
Creator: Ambee

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)

5.18 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

26.16 μg/m³

155

255

425

605+

Ozone (O₃)

18.43 ppb

201

201+

Sulfur Dioxide (SO₂)

0.61 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.74 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 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
2025-07-21T04:00:00.000Z	44 \| good	7.711 \| good	31.926 \| good	15.488 \| good	0.463 \| good	2.332 \| good	0.262 \| good
2025-07-21T05:00:00.000Z	44 \| good	8.301 \| good	34.664 \| good	13.64 \| good	0.484 \| good	2.534 \| good	0.242 \| good
2025-07-21T06:00:00.000Z	38 \| good	7.29 \| good	34.247 \| good	13.704 \| good	0.463 \| good	2.273 \| good	0.242 \| good
2025-07-21T07:00:00.000Z	49 \| good	9.24 \| good	37.938 \| good	14.494 \| good	0.525 \| good	1.901 \| good	0.181 \| good
2025-07-21T08:00:00.000Z	44 \| good	7.558 \| good	30.701 \| good	13.196 \| good	0.521 \| good	2.248 \| good	0.181 \| good
2025-07-21T09:00:00.000Z	38 \| good	6.949 \| good	28.789 \| good	12.43 \| good	0.441 \| good	2.281 \| good	0.181 \| good
2025-07-21T10:00:00.000Z	38 \| good	7.368 \| good	31.688 \| good	9.95 \| good	0.441 \| good	2.149 \| good	0.202 \| good
2025-07-21T11:00:00.000Z	44 \| good	7.591 \| good	33.904 \| good	11.21 \| good	0.463 \| good	2.31 \| good	0.263 \| good
2025-07-21T12:00:00.000Z	38 \| good	7.205 \| good	37.257 \| good	9.32 \| good	0.5 \| good	2.689 \| good	0.325 \| good
2025-07-21T13:00:00.000Z	44 \| good	7.914 \| good	31.995 \| good	9.784 \| good	0.479 \| good	3.441 \| good	0.304 \| good
2025-07-21T14:00:00.000Z	38 \| good	6.926 \| good	34.914 \| good	8.036 \| good	0.595 \| good	3.24 \| good	0.264 \| good
2025-07-21T15:00:00.000Z	38 \| good	6.524 \| good	33.484 \| good	7.231 \| good	0.6 \| good	2.259 \| good	0.223 \| good
2025-07-21T16:00:00.000Z	49 \| good	8.826 \| good	39.815 \| good	11.663 \| good	0.619 \| good	1.854 \| good	0.202 \| good
2025-07-21T17:00:00.000Z	49 \| good	8.616 \| good	32.372 \| good	14.554 \| good	0.578 \| good	1.735 \| good	0.243 \| good
2025-07-21T18:00:00.000Z	54 \| moderate	10.702 \| good	47.957 \| good	18.886 \| good	0.471 \| good	1.573 \| good	0.243 \| good
2025-07-21T19:00:00.000Z	54 \| moderate	10.622 \| good	48.799 \| good	22.122 \| good	1.912 \| good	1.75 \| good	0.243 \| good
2025-07-21T20:00:00.000Z	54 \| moderate	10.614 \| good	42.825 \| good	23.73 \| good	0.663 \| good	1.577 \| good	0.284 \| good
2025-07-21T21:00:00.000Z	54 \| moderate	11.408 \| good	52.428 \| good	27.16 \| good	0.642 \| good	1.499 \| good	0.284 \| good
2025-07-21T22:00:00.000Z	54 \| moderate	11.111 \| good	51.907 \| good	25.554 \| good	0.599 \| good	1.972 \| good	0.264 \| good
2025-07-21T23:00:00.000Z	54 \| moderate	11.425 \| good	57.539 \| fine	27.016 \| good	0.582 \| good	1.951 \| good	0.264 \| good
2025-07-22T00:00:00.000Z	56 \| moderate	12.477 \| fine	54.58 \| good	22.39 \| good	0.561 \| good	1.623 \| good	0.284 \| good
2025-07-22T01:00:00.000Z	56 \| moderate	12.273 \| fine	50.341 \| good	21.955 \| good	0.578 \| good	1.875 \| good	0.264 \| good
2025-07-22T02:00:00.000Z	56 \| moderate	12.165 \| fine	56.553 \| fine	25.906 \| good	0.58 \| good	2.506 \| good	0.303 \| good
2025-07-22T03:00:00.000Z	33 \| good	5.515 \| good	24.118 \| good	14.573 \| good	1.03 \| good	3.763 \| good	0.102 \| good
2025-07-22T04:00:00.000Z	33 \| good	6.328 \| good	28.093 \| good	15.981 \| good	0.518 \| good	2.814 \| good	0.263 \| good
2025-07-22T05:00:00.000Z	38 \| good	7.427 \| good	32.44 \| good	13.077 \| good	0.501 \| good	2.027 \| good	0.281 \| good
2025-07-22T06:00:00.000Z	44 \| good	8.214 \| good	32.623 \| good	11.986 \| good	0.483 \| good	2.122 \| good	0.261 \| good
2025-07-22T07:00:00.000Z	44 \| good	7.782 \| good	34.299 \| good	12.336 \| good	0.586 \| good	2.146 \| good	0.221 \| good
2025-07-22T08:00:00.000Z	38 \| good	6.882 \| good	28.297 \| good	9.133 \| good	0.664 \| good	2.211 \| good	0.221 \| good
2025-07-22T09:00:00.000Z	38 \| good	7.425 \| good	36.007 \| good	7.987 \| good	0.756 \| good	2.253 \| good	0.202 \| good
2025-07-22T10:00:00.000Z	38 \| good	6.778 \| good	28.883 \| good	7.252 \| good	0.608 \| good	3.002 \| good	0.242 \| good
2025-07-22T11:00:00.000Z	33 \| good	6.128 \| good	31.184 \| good	9.664 \| good	0.585 \| good	4.241 \| good	0.282 \| good
2025-07-22T12:00:00.000Z	29 \| good	5.487 \| good	30.693 \| good	6.441 \| good	0.696 \| good	4.297 \| good	0.345 \| good
2025-07-22T13:00:00.000Z	38 \| good	6.917 \| good	24.416 \| good	6.376 \| good	0.599 \| good	4.621 \| good	0.384 \| good
2025-07-22T14:00:00.000Z	38 \| good	7.401 \| good	31.058 \| good	8.681 \| good	0.614 \| good	3.9 \| good	0.302 \| good
2025-07-22T15:00:00.000Z	52 \| moderate	10.163 \| good	50.522 \| good	9.447 \| good	0.616 \| good	3.394 \| good	0.222 \| good
2025-07-22T16:00:00.000Z	54 \| moderate	10.871 \| good	45.351 \| good	10.447 \| good	0.557 \| good	3.07 \| good	0.202 \| good
2025-07-22T17:00:00.000Z	54 \| moderate	11.155 \| good	55.981 \| fine	12.149 \| good	0.579 \| good	2.981 \| good	0.223 \| good
2025-07-22T18:00:00.000Z	52 \| moderate	10.062 \| good	31.293 \| good	16.596 \| good	0.607 \| good	2.408 \| good	0.243 \| good
2025-07-22T19:00:00.000Z	33 \| good	6.33 \| good	33.512 \| good	20.44 \| good	0.565 \| good	2.018 \| good	0.263 \| good
2025-07-22T20:00:00.000Z	44 \| good	8.387 \| good	42.298 \| good	20.254 \| good	0.565 \| good	2.106 \| good	0.243 \| good
2025-07-22T21:00:00.000Z	44 \| good	7.802 \| good	40.778 \| good	22.352 \| good	0.565 \| good	1.992 \| good	0.284 \| good
2025-07-22T22:00:00.000Z	44 \| good	7.584 \| good	43.453 \| good	23.923 \| good	0.587 \| good	2.029 \| good	0.264 \| good
2025-07-22T23:00:00.000Z	38 \| good	6.897 \| good	30.333 \| good	24.977 \| good	0.752 \| good	6.636 \| good	0.264 \| good
2025-07-23T00:00:00.000Z	44 \| good	7.474 \| good	47.774 \| good	22.664 \| good	0.571 \| good	5.632 \| good	0.264 \| good
2025-07-23T01:00:00.000Z	38 \| good	6.756 \| good	30.868 \| good	18.748 \| good	0.589 \| good	5.109 \| good	0.243 \| good
2025-07-23T02:00:00.000Z	44 \| good	7.8 \| good	39.9 \| good	17.487 \| good	0.589 \| good	6.221 \| good	0.243 \| good
2025-07-23T03:00:00.000Z	27 \| good	5.184 \| good	26.156 \| good	18.429 \| good	0.608 \| good	5.744 \| good	0.243 \| good
2025-07-23T03:00:00.000Z	27 \| good	5.184 \| good	26.156 \| good	18.429 \| good	0.608 \| good	5.744 \| good	0.243 \| good
2025-07-21T03:00:00.000Z	38 \| good	7.039 \| good	31.137 \| good	10.94 \| good	0.973 \| good	3.623 \| good	0.112 \| good
2025-07-21T04:00:00.000Z	38 \| good	6.973 \| good	30.873 \| good	9.171 \| good	0.921 \| good	3.481 \| good	0.11 \| good
2025-07-21T05:00:00.000Z	38 \| good	6.769 \| good	30.159 \| good	9.115 \| good	0.868 \| good	3.34 \| good	0.108 \| good
2025-07-21T06:00:00.000Z	44 \| good	7.523 \| good	33.122 \| good	9.889 \| good	0.815 \| good	3.198 \| good	0.106 \| good
2025-07-21T07:00:00.000Z	38 \| good	7.46 \| good	32.496 \| good	11.038 \| good	0.744 \| good	2.879 \| good	0.103 \| good
2025-07-21T08:00:00.000Z	33 \| good	5.888 \| good	25.516 \| good	10.327 \| good	0.672 \| good	2.559 \| good	0.1 \| good
2025-07-21T09:00:00.000Z	44 \| good	7.724 \| good	34.063 \| good	9.906 \| good	0.6 \| good	2.24 \| good	0.097 \| good
2025-07-21T10:00:00.000Z	44 \| good	8.017 \| good	35.3 \| good	9.861 \| good	0.602 \| good	2.377 \| good	0.097 \| good
2025-07-21T11:00:00.000Z	44 \| good	7.667 \| good	33.641 \| good	9.742 \| good	0.603 \| good	2.513 \| good	0.097 \| good
2025-07-21T12:00:00.000Z	49 \| good	9.419 \| good	41.624 \| good	8.233 \| good	0.604 \| good	2.649 \| good	0.097 \| good
2025-07-21T13:00:00.000Z	58 \| moderate	13.379 \| fine	59.896 \| fine	11.115 \| good	0.585 \| good	2.186 \| good	0.096 \| good
2025-07-21T14:00:00.000Z	60 \| moderate	13.533 \| fine	61.38 \| fine	15.383 \| good	0.565 \| good	1.723 \| good	0.094 \| good
2025-07-21T15:00:00.000Z	56 \| moderate	12.03 \| good	54.304 \| good	17.062 \| good	0.546 \| good	1.26 \| good	0.093 \| good
2025-07-21T16:00:00.000Z	56 \| moderate	12.447 \| fine	55.851 \| fine	18.663 \| good	0.565 \| good	1.069 \| good	0.093 \| good
2025-07-21T17:00:00.000Z	56 \| moderate	12.363 \| fine	55.767 \| fine	19.79 \| good	0.585 \| good	0.878 \| good	0.092 \| good
2025-07-21T18:00:00.000Z	54 \| moderate	10.785 \| good	47.642 \| good	20.319 \| good	0.604 \| good	0.686 \| good	0.092 \| good
2025-07-21T19:00:00.000Z	52 \| moderate	10.322 \| good	45.686 \| good	21.799 \| good	0.627 \| good	0.708 \| good	0.092 \| good
2025-07-21T20:00:00.000Z	54 \| moderate	11.2 \| good	49.385 \| good	23.641 \| good	0.65 \| good	0.73 \| good	0.093 \| good
2025-07-21T21:00:00.000Z	54 \| moderate	10.624 \| good	47.047 \| good	23.468 \| good	0.673 \| good	0.752 \| good	0.093 \| good
2025-07-21T22:00:00.000Z	49 \| good	9.172 \| good	40.958 \| good	23.41 \| good	0.74 \| good	1.046 \| good	0.094 \| good
2025-07-21T23:00:00.000Z	49 \| good	9.033 \| good	40.569 \| good	21.509 \| good	0.808 \| good	1.34 \| good	0.095 \| good
2025-07-22T00:00:00.000Z	38 \| good	6.558 \| good	29.277 \| good	19.107 \| good	0.875 \| good	1.634 \| good	0.096 \| good
2025-07-22T01:00:00.000Z	27 \| good	4.579 \| good	19.817 \| good	15.038 \| good	0.903 \| good	2.187 \| good	0.096 \| good
2025-07-22T02:00:00.000Z	33 \| good	5.95 \| good	26.549 \| good	12.792 \| good	0.932 \| good	2.74 \| good	0.096 \| good
2025-07-22T03:00:00.000Z	27 \| good	4.623 \| good	19.954 \| good	11.5 \| good	0.96 \| good	3.293 \| good	0.096 \| good
2025-07-22T04:00:00.000Z	27 \| good	4.544 \| good	19.809 \| good	10.565 \| good	0.889 \| good	3.22 \| good	0.095 \| good
2025-07-22T05:00:00.000Z	27 \| good	4.501 \| good	19.545 \| good	11.453 \| good	0.818 \| good	3.147 \| good	0.094 \| good
2025-07-22T06:00:00.000Z	22 \| good	4.002 \| good	17.396 \| good	10.854 \| good	0.747 \| good	3.075 \| good	0.093 \| good
2025-07-22T07:00:00.000Z	22 \| good	4.316 \| good	19.077 \| good	9.645 \| good	0.69 \| good	2.823 \| good	0.092 \| good
2025-07-22T08:00:00.000Z	11 \| good	1.783 \| good	7.308 \| good	9.114 \| good	0.633 \| good	2.571 \| good	0.091 \| good
2025-07-22T09:00:00.000Z	16 \| good	3.157 \| good	13.903 \| good	8.866 \| good	0.575 \| good	2.318 \| good	0.091 \| good
2025-07-22T10:00:00.000Z	22 \| good	3.971 \| good	17.448 \| good	8.671 \| good	0.578 \| good	2.623 \| good	0.093 \| good
2025-07-22T11:00:00.000Z	27 \| good	4.674 \| good	20.387 \| good	9.174 \| good	0.58 \| good	2.928 \| good	0.096 \| good
2025-07-22T12:00:00.000Z	27 \| good	5.159 \| good	22.325 \| good	7.579 \| good	0.582 \| good	3.233 \| good	0.099 \| good
2025-07-22T13:00:00.000Z	49 \| good	9.244 \| good	41.304 \| good	11.523 \| good	0.57 \| good	2.58 \| good	0.097 \| good
2025-07-22T14:00:00.000Z	52 \| moderate	9.511 \| good	42.307 \| good	14.902 \| good	0.558 \| good	1.928 \| good	0.095 \| good
2025-07-22T15:00:00.000Z	49 \| good	8.805 \| good	38.852 \| good	16.562 \| good	0.546 \| good	1.275 \| good	0.094 \| good
2025-07-22T16:00:00.000Z	52 \| moderate	9.941 \| good	44.037 \| good	17.656 \| good	0.538 \| good	1.068 \| good	0.093 \| good
2025-07-22T17:00:00.000Z	52 \| moderate	10.023 \| good	44.717 \| good	19.347 \| good	0.529 \| good	0.862 \| good	0.092 \| good
2025-07-22T18:00:00.000Z	49 \| good	8.852 \| good	38.962 \| good	19.69 \| good	0.521 \| good	0.655 \| good	0.092 \| good
2025-07-22T19:00:00.000Z	49 \| good	9.226 \| good	41.336 \| good	21.551 \| good	0.554 \| good	0.675 \| good	0.092 \| good
2025-07-22T20:00:00.000Z	52 \| moderate	9.792 \| good	43.474 \| good	23.975 \| good	0.588 \| good	0.694 \| good	0.092 \| good
2025-07-22T21:00:00.000Z	52 \| moderate	10.116 \| good	45.254 \| good	25.243 \| good	0.622 \| good	0.714 \| good	0.093 \| good
2025-07-22T22:00:00.000Z	38 \| good	7.462 \| good	32.873 \| good	25.281 \| good	0.646 \| good	0.97 \| good	0.094 \| good
2025-07-22T23:00:00.000Z	44 \| good	8.43 \| good	36.99 \| good	22.799 \| good	0.67 \| good	1.226 \| good	0.094 \| good
2025-07-23T00:00:00.000Z	36 \| good	5.755 \| good	8.371 \| good	38.69 \| good	0.688 \| good	1.497 \| good	0.095 \| good
2025-07-23T01:00:00.000Z	38 \| good	6.943 \| good	30.82 \| good	12.933 \| good	0.762 \| good	2.172 \| good	0.098 \| good
2025-07-23T02:00:00.000Z	49 \| good	9.063 \| good	39.816 \| good	10.466 \| good	0.83 \| good	2.861 \| good	0.1 \| good

Katy

Get reliable air quality data to drive your business

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

0.24ppm

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

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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 06:00:00 on 2025-07-20.

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 05:00:00 on 2025-07-20.

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 8.821 μg/m³.

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

The PM₁₀ concentration in Katy, Texas is 34.962 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 0.243 ppm.

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

Currently, Katy, Texas has a sulfur dioxide (SO₂) concentration of 0.544 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 17.946 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 2.299 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-21T04:00:00.000Z	44 \| good	7.711 \| good	31.926 \| good	15.488 \| good	0.463 \| good	2.332 \| good	0.262 \| good
2025-07-21T05:00:00.000Z	44 \| good	8.301 \| good	34.664 \| good	13.64 \| good	0.484 \| good	2.534 \| good	0.242 \| good
2025-07-21T06:00:00.000Z	38 \| good	7.29 \| good	34.247 \| good	13.704 \| good	0.463 \| good	2.273 \| good	0.242 \| good
2025-07-21T07:00:00.000Z	49 \| good	9.24 \| good	37.938 \| good	14.494 \| good	0.525 \| good	1.901 \| good	0.181 \| good
2025-07-21T08:00:00.000Z	44 \| good	7.558 \| good	30.701 \| good	13.196 \| good	0.521 \| good	2.248 \| good	0.181 \| good
2025-07-21T09:00:00.000Z	38 \| good	6.949 \| good	28.789 \| good	12.43 \| good	0.441 \| good	2.281 \| good	0.181 \| good
2025-07-21T10:00:00.000Z	38 \| good	7.368 \| good	31.688 \| good	9.95 \| good	0.441 \| good	2.149 \| good	0.202 \| good
2025-07-21T11:00:00.000Z	44 \| good	7.591 \| good	33.904 \| good	11.21 \| good	0.463 \| good	2.31 \| good	0.263 \| good
2025-07-21T12:00:00.000Z	38 \| good	7.205 \| good	37.257 \| good	9.32 \| good	0.5 \| good	2.689 \| good	0.325 \| good
2025-07-21T13:00:00.000Z	44 \| good	7.914 \| good	31.995 \| good	9.784 \| good	0.479 \| good	3.441 \| good	0.304 \| good
2025-07-21T14:00:00.000Z	38 \| good	6.926 \| good	34.914 \| good	8.036 \| good	0.595 \| good	3.24 \| good	0.264 \| good
2025-07-21T15:00:00.000Z	38 \| good	6.524 \| good	33.484 \| good	7.231 \| good	0.6 \| good	2.259 \| good	0.223 \| good
2025-07-21T16:00:00.000Z	49 \| good	8.826 \| good	39.815 \| good	11.663 \| good	0.619 \| good	1.854 \| good	0.202 \| good
2025-07-21T17:00:00.000Z	49 \| good	8.616 \| good	32.372 \| good	14.554 \| good	0.578 \| good	1.735 \| good	0.243 \| good
2025-07-21T18:00:00.000Z	54 \| moderate	10.702 \| good	47.957 \| good	18.886 \| good	0.471 \| good	1.573 \| good	0.243 \| good
2025-07-21T19:00:00.000Z	54 \| moderate	10.622 \| good	48.799 \| good	22.122 \| good	1.912 \| good	1.75 \| good	0.243 \| good
2025-07-21T20:00:00.000Z	54 \| moderate	10.614 \| good	42.825 \| good	23.73 \| good	0.663 \| good	1.577 \| good	0.284 \| good
2025-07-21T21:00:00.000Z	54 \| moderate	11.408 \| good	52.428 \| good	27.16 \| good	0.642 \| good	1.499 \| good	0.284 \| good
2025-07-21T22:00:00.000Z	54 \| moderate	11.111 \| good	51.907 \| good	25.554 \| good	0.599 \| good	1.972 \| good	0.264 \| good
2025-07-21T23:00:00.000Z	54 \| moderate	11.425 \| good	57.539 \| fine	27.016 \| good	0.582 \| good	1.951 \| good	0.264 \| good
2025-07-22T00:00:00.000Z	56 \| moderate	12.477 \| fine	54.58 \| good	22.39 \| good	0.561 \| good	1.623 \| good	0.284 \| good
2025-07-22T01:00:00.000Z	56 \| moderate	12.273 \| fine	50.341 \| good	21.955 \| good	0.578 \| good	1.875 \| good	0.264 \| good
2025-07-22T02:00:00.000Z	56 \| moderate	12.165 \| fine	56.553 \| fine	25.906 \| good	0.58 \| good	2.506 \| good	0.303 \| good
2025-07-22T03:00:00.000Z	33 \| good	5.515 \| good	24.118 \| good	14.573 \| good	1.03 \| good	3.763 \| good	0.102 \| good
2025-07-22T04:00:00.000Z	33 \| good	6.328 \| good	28.093 \| good	15.981 \| good	0.518 \| good	2.814 \| good	0.263 \| good
2025-07-22T05:00:00.000Z	38 \| good	7.427 \| good	32.44 \| good	13.077 \| good	0.501 \| good	2.027 \| good	0.281 \| good
2025-07-22T06:00:00.000Z	44 \| good	8.214 \| good	32.623 \| good	11.986 \| good	0.483 \| good	2.122 \| good	0.261 \| good
2025-07-22T07:00:00.000Z	44 \| good	7.782 \| good	34.299 \| good	12.336 \| good	0.586 \| good	2.146 \| good	0.221 \| good
2025-07-22T08:00:00.000Z	38 \| good	6.882 \| good	28.297 \| good	9.133 \| good	0.664 \| good	2.211 \| good	0.221 \| good
2025-07-22T09:00:00.000Z	38 \| good	7.425 \| good	36.007 \| good	7.987 \| good	0.756 \| good	2.253 \| good	0.202 \| good
2025-07-22T10:00:00.000Z	38 \| good	6.778 \| good	28.883 \| good	7.252 \| good	0.608 \| good	3.002 \| good	0.242 \| good
2025-07-22T11:00:00.000Z	33 \| good	6.128 \| good	31.184 \| good	9.664 \| good	0.585 \| good	4.241 \| good	0.282 \| good
2025-07-22T12:00:00.000Z	29 \| good	5.487 \| good	30.693 \| good	6.441 \| good	0.696 \| good	4.297 \| good	0.345 \| good
2025-07-22T13:00:00.000Z	38 \| good	6.917 \| good	24.416 \| good	6.376 \| good	0.599 \| good	4.621 \| good	0.384 \| good
2025-07-22T14:00:00.000Z	38 \| good	7.401 \| good	31.058 \| good	8.681 \| good	0.614 \| good	3.9 \| good	0.302 \| good
2025-07-22T15:00:00.000Z	52 \| moderate	10.163 \| good	50.522 \| good	9.447 \| good	0.616 \| good	3.394 \| good	0.222 \| good
2025-07-22T16:00:00.000Z	54 \| moderate	10.871 \| good	45.351 \| good	10.447 \| good	0.557 \| good	3.07 \| good	0.202 \| good
2025-07-22T17:00:00.000Z	54 \| moderate	11.155 \| good	55.981 \| fine	12.149 \| good	0.579 \| good	2.981 \| good	0.223 \| good
2025-07-22T18:00:00.000Z	52 \| moderate	10.062 \| good	31.293 \| good	16.596 \| good	0.607 \| good	2.408 \| good	0.243 \| good
2025-07-22T19:00:00.000Z	33 \| good	6.33 \| good	33.512 \| good	20.44 \| good	0.565 \| good	2.018 \| good	0.263 \| good
2025-07-22T20:00:00.000Z	44 \| good	8.387 \| good	42.298 \| good	20.254 \| good	0.565 \| good	2.106 \| good	0.243 \| good
2025-07-22T21:00:00.000Z	44 \| good	7.802 \| good	40.778 \| good	22.352 \| good	0.565 \| good	1.992 \| good	0.284 \| good
2025-07-22T22:00:00.000Z	44 \| good	7.584 \| good	43.453 \| good	23.923 \| good	0.587 \| good	2.029 \| good	0.264 \| good
2025-07-22T23:00:00.000Z	38 \| good	6.897 \| good	30.333 \| good	24.977 \| good	0.752 \| good	6.636 \| good	0.264 \| good
2025-07-23T00:00:00.000Z	44 \| good	7.474 \| good	47.774 \| good	22.664 \| good	0.571 \| good	5.632 \| good	0.264 \| good
2025-07-23T01:00:00.000Z	38 \| good	6.756 \| good	30.868 \| good	18.748 \| good	0.589 \| good	5.109 \| good	0.243 \| good
2025-07-23T02:00:00.000Z	44 \| good	7.8 \| good	39.9 \| good	17.487 \| good	0.589 \| good	6.221 \| good	0.243 \| good
2025-07-23T03:00:00.000Z	27 \| good	5.184 \| good	26.156 \| good	18.429 \| good	0.608 \| good	5.744 \| good	0.243 \| good
2025-07-23T03:00:00.000Z	27 \| good	5.184 \| good	26.156 \| good	18.429 \| good	0.608 \| good	5.744 \| good	0.243 \| good
2025-07-21T03:00:00.000Z	38 \| good	7.039 \| good	31.137 \| good	10.94 \| good	0.973 \| good	3.623 \| good	0.112 \| good
2025-07-21T04:00:00.000Z	38 \| good	6.973 \| good	30.873 \| good	9.171 \| good	0.921 \| good	3.481 \| good	0.11 \| good
2025-07-21T05:00:00.000Z	38 \| good	6.769 \| good	30.159 \| good	9.115 \| good	0.868 \| good	3.34 \| good	0.108 \| good
2025-07-21T06:00:00.000Z	44 \| good	7.523 \| good	33.122 \| good	9.889 \| good	0.815 \| good	3.198 \| good	0.106 \| good
2025-07-21T07:00:00.000Z	38 \| good	7.46 \| good	32.496 \| good	11.038 \| good	0.744 \| good	2.879 \| good	0.103 \| good
2025-07-21T08:00:00.000Z	33 \| good	5.888 \| good	25.516 \| good	10.327 \| good	0.672 \| good	2.559 \| good	0.1 \| good
2025-07-21T09:00:00.000Z	44 \| good	7.724 \| good	34.063 \| good	9.906 \| good	0.6 \| good	2.24 \| good	0.097 \| good
2025-07-21T10:00:00.000Z	44 \| good	8.017 \| good	35.3 \| good	9.861 \| good	0.602 \| good	2.377 \| good	0.097 \| good
2025-07-21T11:00:00.000Z	44 \| good	7.667 \| good	33.641 \| good	9.742 \| good	0.603 \| good	2.513 \| good	0.097 \| good
2025-07-21T12:00:00.000Z	49 \| good	9.419 \| good	41.624 \| good	8.233 \| good	0.604 \| good	2.649 \| good	0.097 \| good
2025-07-21T13:00:00.000Z	58 \| moderate	13.379 \| fine	59.896 \| fine	11.115 \| good	0.585 \| good	2.186 \| good	0.096 \| good
2025-07-21T14:00:00.000Z	60 \| moderate	13.533 \| fine	61.38 \| fine	15.383 \| good	0.565 \| good	1.723 \| good	0.094 \| good
2025-07-21T15:00:00.000Z	56 \| moderate	12.03 \| good	54.304 \| good	17.062 \| good	0.546 \| good	1.26 \| good	0.093 \| good
2025-07-21T16:00:00.000Z	56 \| moderate	12.447 \| fine	55.851 \| fine	18.663 \| good	0.565 \| good	1.069 \| good	0.093 \| good
2025-07-21T17:00:00.000Z	56 \| moderate	12.363 \| fine	55.767 \| fine	19.79 \| good	0.585 \| good	0.878 \| good	0.092 \| good
2025-07-21T18:00:00.000Z	54 \| moderate	10.785 \| good	47.642 \| good	20.319 \| good	0.604 \| good	0.686 \| good	0.092 \| good
2025-07-21T19:00:00.000Z	52 \| moderate	10.322 \| good	45.686 \| good	21.799 \| good	0.627 \| good	0.708 \| good	0.092 \| good
2025-07-21T20:00:00.000Z	54 \| moderate	11.2 \| good	49.385 \| good	23.641 \| good	0.65 \| good	0.73 \| good	0.093 \| good
2025-07-21T21:00:00.000Z	54 \| moderate	10.624 \| good	47.047 \| good	23.468 \| good	0.673 \| good	0.752 \| good	0.093 \| good
2025-07-21T22:00:00.000Z	49 \| good	9.172 \| good	40.958 \| good	23.41 \| good	0.74 \| good	1.046 \| good	0.094 \| good
2025-07-21T23:00:00.000Z	49 \| good	9.033 \| good	40.569 \| good	21.509 \| good	0.808 \| good	1.34 \| good	0.095 \| good
2025-07-22T00:00:00.000Z	38 \| good	6.558 \| good	29.277 \| good	19.107 \| good	0.875 \| good	1.634 \| good	0.096 \| good
2025-07-22T01:00:00.000Z	27 \| good	4.579 \| good	19.817 \| good	15.038 \| good	0.903 \| good	2.187 \| good	0.096 \| good
2025-07-22T02:00:00.000Z	33 \| good	5.95 \| good	26.549 \| good	12.792 \| good	0.932 \| good	2.74 \| good	0.096 \| good
2025-07-22T03:00:00.000Z	27 \| good	4.623 \| good	19.954 \| good	11.5 \| good	0.96 \| good	3.293 \| good	0.096 \| good
2025-07-22T04:00:00.000Z	27 \| good	4.544 \| good	19.809 \| good	10.565 \| good	0.889 \| good	3.22 \| good	0.095 \| good
2025-07-22T05:00:00.000Z	27 \| good	4.501 \| good	19.545 \| good	11.453 \| good	0.818 \| good	3.147 \| good	0.094 \| good
2025-07-22T06:00:00.000Z	22 \| good	4.002 \| good	17.396 \| good	10.854 \| good	0.747 \| good	3.075 \| good	0.093 \| good
2025-07-22T07:00:00.000Z	22 \| good	4.316 \| good	19.077 \| good	9.645 \| good	0.69 \| good	2.823 \| good	0.092 \| good
2025-07-22T08:00:00.000Z	11 \| good	1.783 \| good	7.308 \| good	9.114 \| good	0.633 \| good	2.571 \| good	0.091 \| good
2025-07-22T09:00:00.000Z	16 \| good	3.157 \| good	13.903 \| good	8.866 \| good	0.575 \| good	2.318 \| good	0.091 \| good
2025-07-22T10:00:00.000Z	22 \| good	3.971 \| good	17.448 \| good	8.671 \| good	0.578 \| good	2.623 \| good	0.093 \| good
2025-07-22T11:00:00.000Z	27 \| good	4.674 \| good	20.387 \| good	9.174 \| good	0.58 \| good	2.928 \| good	0.096 \| good
2025-07-22T12:00:00.000Z	27 \| good	5.159 \| good	22.325 \| good	7.579 \| good	0.582 \| good	3.233 \| good	0.099 \| good
2025-07-22T13:00:00.000Z	49 \| good	9.244 \| good	41.304 \| good	11.523 \| good	0.57 \| good	2.58 \| good	0.097 \| good
2025-07-22T14:00:00.000Z	52 \| moderate	9.511 \| good	42.307 \| good	14.902 \| good	0.558 \| good	1.928 \| good	0.095 \| good
2025-07-22T15:00:00.000Z	49 \| good	8.805 \| good	38.852 \| good	16.562 \| good	0.546 \| good	1.275 \| good	0.094 \| good
2025-07-22T16:00:00.000Z	52 \| moderate	9.941 \| good	44.037 \| good	17.656 \| good	0.538 \| good	1.068 \| good	0.093 \| good
2025-07-22T17:00:00.000Z	52 \| moderate	10.023 \| good	44.717 \| good	19.347 \| good	0.529 \| good	0.862 \| good	0.092 \| good
2025-07-22T18:00:00.000Z	49 \| good	8.852 \| good	38.962 \| good	19.69 \| good	0.521 \| good	0.655 \| good	0.092 \| good
2025-07-22T19:00:00.000Z	49 \| good	9.226 \| good	41.336 \| good	21.551 \| good	0.554 \| good	0.675 \| good	0.092 \| good
2025-07-22T20:00:00.000Z	52 \| moderate	9.792 \| good	43.474 \| good	23.975 \| good	0.588 \| good	0.694 \| good	0.092 \| good
2025-07-22T21:00:00.000Z	52 \| moderate	10.116 \| good	45.254 \| good	25.243 \| good	0.622 \| good	0.714 \| good	0.093 \| good
2025-07-22T22:00:00.000Z	38 \| good	7.462 \| good	32.873 \| good	25.281 \| good	0.646 \| good	0.97 \| good	0.094 \| good
2025-07-22T23:00:00.000Z	44 \| good	8.43 \| good	36.99 \| good	22.799 \| good	0.67 \| good	1.226 \| good	0.094 \| good
2025-07-23T00:00:00.000Z	36 \| good	5.755 \| good	8.371 \| good	38.69 \| good	0.688 \| good	1.497 \| good	0.095 \| good
2025-07-23T01:00:00.000Z	38 \| good	6.943 \| good	30.82 \| good	12.933 \| good	0.762 \| good	2.172 \| good	0.098 \| good
2025-07-23T02:00:00.000Z	49 \| good	9.063 \| good	39.816 \| good	10.466 \| good	0.83 \| good	2.861 \| good	0.1 \| 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)

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

Air quality in nearby cities

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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?

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