Live air quality index in TamalpaisHomestead Valley, California today

Q: What is the PM2.5 level in Tamalpaishomestead Valley, California at the moment?

PM2.5 levels in Tamalpaishomestead Valley, California are currently 12.94 μg/m3.

Q: What is the PM10 level in Tamalpaishomestead Valley, California at the moment?

The PM10 concentration in Tamalpaishomestead Valley, California is 58.966 μg/m3 at the moment.

Stay updated with real-time air quality in TamalpaisHomestead Valley, California 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

TamalpaisHomestead Valley, California

Last updated: ... (Local time)

Major air pollutants in TamalpaisHomestead Valley, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

12.94 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

58.97 μg/m³

155

255

425

605+

Ozone (O₃)

13.78 ppb

201

201+

Sulfur Dioxide (SO₂)

0.34 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.09 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.34 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

TamalpaisHomestead Valley, California

Get Live Pollen Counts

TamalpaisHomestead Valley, California

Scroll To Air Quality Map

Track live TamalpaisHomestead Valley, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-06T01:00:00.000Z	62 \| moderate	15.475 \| fine	68.604 \| fine	14.31 \| good	0.353 \| good	8.449 \| good	0.356 \| good
2025-12-06T02:00:00.000Z	64 \| moderate	15.718 \| fine	70.674 \| fine	13.07 \| good	0.308 \| good	11.395 \| good	0.356 \| good
2025-12-06T03:00:00.000Z	64 \| moderate	16.094 \| fine	72.363 \| fine	10.597 \| good	0.298 \| good	13.306 \| good	0.434 \| good
2025-12-06T04:00:00.000Z	67 \| moderate	17.62 \| fine	78.888 \| fine	8.904 \| good	0.325 \| good	13.497 \| good	0.478 \| good
2025-12-06T05:00:00.000Z	73 \| moderate	21.011 \| fine	92.579 \| fine	8.161 \| good	0.434 \| good	13.338 \| good	0.497 \| good
2025-12-06T06:00:00.000Z	73 \| moderate	20.698 \| fine	90.702 \| fine	8.161 \| good	0.369 \| good	11.946 \| good	0.46 \| good
2025-12-06T07:00:00.000Z	71 \| moderate	20.09 \| fine	88.27 \| fine	8.485 \| good	0.377 \| good	11.764 \| good	0.46 \| good
2025-12-06T08:00:00.000Z	69 \| moderate	18.874 \| fine	83.166 \| fine	9.701 \| good	0.358 \| good	9.815 \| good	0.388 \| good
2025-12-06T09:00:00.000Z	69 \| moderate	18.874 \| fine	83.166 \| fine	9.701 \| good	0.387 \| good	8.123 \| good	0.299 \| good
2025-12-06T10:00:00.000Z	71 \| moderate	19.517 \| fine	84.699 \| fine	9.94 \| good	0.947 \| good	4.865 \| good	0.42 \| good
2025-12-06T11:00:00.000Z	52 \| moderate	9.121 \| good	57.225 \| fine	11.171 \| good	0.872 \| good	4.709 \| good	0.378 \| good
2025-12-06T12:00:00.000Z	66 \| moderate	17.031 \| fine	70.996 \| fine	10.113 \| good	0.327 \| good	9.154 \| good	0.385 \| good
2025-12-06T13:00:00.000Z	64 \| moderate	15.689 \| fine	69.743 \| fine	12.791 \| good	0.312 \| good	5.967 \| good	0.304 \| good
2025-12-06T14:00:00.000Z	69 \| moderate	19.172 \| fine	84.475 \| fine	10.926 \| good	0.491 \| good	7.167 \| good	0.32 \| good
2025-12-06T15:00:00.000Z	75 \| moderate	22.227 \| fine	98.266 \| fine	11.947 \| good	0.407 \| good	7.867 \| good	0.336 \| good
2025-12-06T16:00:00.000Z	77 \| moderate	22.947 \| fine	96.648 \| fine	10.894 \| good	0.381 \| good	7.416 \| good	0.342 \| good
2025-12-06T17:00:00.000Z	73 \| moderate	21.065 \| fine	90.771 \| fine	11.875 \| good	0.456 \| good	6.414 \| good	0.36 \| good
2025-12-06T18:00:00.000Z	69 \| moderate	19.12 \| fine	86.425 \| fine	11.555 \| good	0.53 \| good	5.443 \| good	0.336 \| good
2025-12-06T19:00:00.000Z	66 \| moderate	16.896 \| fine	71.737 \| fine	12.034 \| good	0.505 \| good	5.273 \| good	0.353 \| good
2025-12-06T20:00:00.000Z	64 \| moderate	15.926 \| fine	73.694 \| fine	12.557 \| good	0.498 \| good	4.53 \| good	0.353 \| good
2025-12-06T21:00:00.000Z	60 \| moderate	13.966 \| fine	61.929 \| fine	13.405 \| good	0.533 \| good	4.168 \| good	0.353 \| good
2025-12-06T22:00:00.000Z	56 \| moderate	11.925 \| good	51.431 \| good	13.865 \| good	0.485 \| good	4.126 \| good	0.353 \| good
2025-12-06T23:00:00.000Z	56 \| moderate	11.82 \| good	51.618 \| good	14.189 \| good	0.384 \| good	4.257 \| good	0.396 \| good
2025-12-07T00:00:00.000Z	56 \| moderate	11.515 \| good	41.408 \| good	13.918 \| good	0.381 \| good	5.483 \| good	0.396 \| good
2025-12-07T01:00:00.000Z	56 \| moderate	11.628 \| good	51.37 \| good	13.206 \| good	0.323 \| good	5.264 \| good	0.407 \| good
2025-12-07T02:00:00.000Z	56 \| moderate	11.506 \| good	48.681 \| good	12.899 \| good	0.24 \| good	6.059 \| good	0.353 \| good
2025-12-07T03:00:00.000Z	58 \| moderate	13.379 \| fine	59.643 \| fine	11.722 \| good	0.254 \| good	7.285 \| good	0.36 \| good
2025-12-07T04:00:00.000Z	62 \| moderate	14.72 \| fine	64.811 \| fine	11.366 \| good	0.271 \| good	8.046 \| good	0.42 \| good
2025-12-07T05:00:00.000Z	64 \| moderate	15.66 \| fine	68.904 \| fine	11.11 \| good	0.214 \| good	8.024 \| good	0.427 \| good
2025-12-07T06:00:00.000Z	62 \| moderate	14.729 \| fine	65.402 \| fine	10.354 \| good	0.212 \| good	7.785 \| good	0.42 \| good
2025-12-07T07:00:00.000Z	62 \| moderate	15.397 \| fine	64.967 \| fine	10.066 \| good	0.213 \| good	7.785 \| good	0.42 \| good
2025-12-07T08:00:00.000Z	64 \| moderate	15.927 \| fine	68.246 \| fine	10.455 \| good	0.195 \| good	7.537 \| good	0.434 \| good
2025-12-07T09:00:00.000Z	64 \| moderate	16.222 \| fine	72.88 \| fine	10.502 \| good	0.237 \| good	6.98 \| good	0.395 \| good
2025-12-07T10:00:00.000Z	62 \| moderate	15.097 \| fine	67.95 \| fine	10.273 \| good	0.474 \| good	3.806 \| good	0.253 \| good
2025-12-07T11:00:00.000Z	64 \| moderate	16.142 \| fine	70.383 \| fine	10.445 \| good	0.505 \| good	3.328 \| good	0.252 \| good
2025-12-07T12:00:00.000Z	69 \| moderate	18.763 \| fine	86.776 \| fine	7.984 \| good	0.345 \| good	2.706 \| good	0.198 \| good
2025-12-07T13:00:00.000Z	73 \| moderate	20.684 \| fine	90.561 \| fine	10.706 \| good	0.285 \| good	7.091 \| good	0.287 \| good
2025-12-07T14:00:00.000Z	71 \| moderate	20.141 \| fine	91.587 \| fine	11.057 \| good	0.332 \| good	6.419 \| good	0.344 \| good
2025-12-07T15:00:00.000Z	77 \| moderate	23.221 \| fine	101.161 \| fine	11.361 \| good	0.309 \| good	6.466 \| good	0.32 \| good
2025-12-07T16:00:00.000Z	75 \| moderate	22.418 \| fine	95.256 \| fine	10.763 \| good	0.243 \| good	7.242 \| good	0.32 \| good
2025-12-07T17:00:00.000Z	77 \| moderate	22.771 \| fine	98.917 \| fine	10.405 \| good	0.266 \| good	6.986 \| good	0.32 \| good
2025-12-07T18:00:00.000Z	73 \| moderate	20.75 \| fine	89.734 \| fine	10.947 \| good	0.288 \| good	6.487 \| good	0.356 \| good
2025-12-07T19:00:00.000Z	69 \| moderate	18.836 \| fine	82.439 \| fine	12.475 \| good	0.326 \| good	5.166 \| good	0.356 \| good
2025-12-07T20:00:00.000Z	67 \| moderate	17.92 \| fine	78.084 \| fine	12.611 \| good	0.31 \| good	4.499 \| good	0.349 \| good
2025-12-07T21:00:00.000Z	64 \| moderate	16.018 \| fine	71.529 \| fine	12.358 \| good	0.397 \| good	5.15 \| good	0.342 \| good
2025-12-07T22:00:00.000Z	64 \| moderate	16.484 \| fine	72.794 \| fine	13.034 \| good	0.33 \| good	3.45 \| good	0.336 \| good
2025-12-07T23:00:00.000Z	58 \| moderate	13.496 \| fine	60.409 \| fine	13.882 \| good	0.287 \| good	3.388 \| good	0.336 \| good
2025-12-08T00:00:00.000Z	58 \| moderate	12.94 \| fine	58.966 \| fine	13.777 \| good	0.344 \| good	4.089 \| good	0.336 \| good
2025-12-08T00:00:00.000Z	58 \| moderate	12.94 \| fine	58.966 \| fine	13.777 \| good	0.344 \| good	4.089 \| good	0.336 \| good
2025-12-08T01:00:00.000Z	22 \| good	4.101 \| good	18.148 \| good	13.443 \| good	1.245 \| good	10.742 \| good	0.188 \| good
2025-12-08T02:00:00.000Z	27 \| good	5.188 \| good	22.129 \| good	10.733 \| good	1.251 \| good	12.985 \| good	0.217 \| good
2025-12-08T03:00:00.000Z	38 \| good	7.185 \| good	31.608 \| good	7.9 \| good	1.257 \| good	15.228 \| good	0.246 \| good
2025-12-08T04:00:00.000Z	38 \| good	6.689 \| good	29.572 \| good	8.062 \| good	1.376 \| good	15.61 \| good	0.257 \| good
2025-12-08T05:00:00.000Z	44 \| good	7.861 \| good	34.471 \| good	5.628 \| good	1.494 \| good	15.991 \| good	0.268 \| good
2025-12-08T06:00:00.000Z	44 \| good	8.03 \| good	35.221 \| good	4.663 \| good	1.613 \| good	16.373 \| good	0.279 \| good
2025-12-08T07:00:00.000Z	54 \| moderate	10.927 \| good	48.027 \| good	4.518 \| good	1.608 \| good	16.193 \| good	0.29 \| good
2025-12-08T08:00:00.000Z	58 \| moderate	12.941 \| fine	57.617 \| fine	4.117 \| good	1.602 \| good	16.012 \| good	0.302 \| good
2025-12-08T09:00:00.000Z	62 \| moderate	14.835 \| fine	65.903 \| fine	6.539 \| good	1.597 \| good	15.832 \| good	0.314 \| good
2025-12-08T10:00:00.000Z	58 \| moderate	13.476 \| fine	59.925 \| fine	8.355 \| good	1.506 \| good	15.121 \| good	0.313 \| good
2025-12-08T11:00:00.000Z	58 \| moderate	13.126 \| fine	59.496 \| fine	9.28 \| good	1.416 \| good	14.409 \| good	0.312 \| good
2025-12-08T12:00:00.000Z	66 \| moderate	16.853 \| fine	75.629 \| fine	8.519 \| good	1.326 \| good	13.698 \| good	0.311 \| good
2025-12-08T13:00:00.000Z	66 \| moderate	17.385 \| fine	77.887 \| fine	7.343 \| good	1.347 \| good	13.193 \| good	0.316 \| good
2025-12-08T14:00:00.000Z	67 \| moderate	18.201 \| fine	80.274 \| fine	5.993 \| good	1.368 \| good	12.687 \| good	0.321 \| good
2025-12-08T15:00:00.000Z	64 \| moderate	15.964 \| fine	70.599 \| fine	6.99 \| good	1.389 \| good	12.182 \| good	0.325 \| good
2025-12-08T16:00:00.000Z	58 \| moderate	13.067 \| fine	58.367 \| fine	6.704 \| good	1.638 \| good	11.62 \| good	0.3 \| good
2025-12-08T17:00:00.000Z	54 \| moderate	10.598 \| good	47.375 \| good	8.091 \| good	1.886 \| good	11.057 \| good	0.275 \| good
2025-12-08T18:00:00.000Z	52 \| moderate	10.421 \| good	46.181 \| good	9.373 \| good	2.134 \| good	10.495 \| good	0.25 \| good
2025-12-08T19:00:00.000Z	52 \| moderate	9.777 \| good	43.745 \| good	11.017 \| good	2.021 \| good	8.955 \| good	0.22 \| good
2025-12-08T20:00:00.000Z	49 \| good	9.38 \| good	41.914 \| good	14.31 \| good	1.909 \| good	7.415 \| good	0.19 \| good
2025-12-08T21:00:00.000Z	52 \| moderate	10.214 \| good	45.385 \| good	15.384 \| good	1.796 \| good	5.875 \| good	0.16 \| good
2025-12-08T22:00:00.000Z	54 \| moderate	10.879 \| good	48.26 \| good	14.932 \| good	1.651 \| good	6.236 \| good	0.158 \| good
2025-12-08T23:00:00.000Z	54 \| moderate	10.945 \| good	48.593 \| good	15.083 \| good	1.506 \| good	6.597 \| good	0.156 \| good
2025-12-09T00:00:00.000Z	44 \| good	7.996 \| good	34.902 \| good	12.036 \| good	1.361 \| good	6.958 \| good	0.154 \| good
2025-12-09T01:00:00.000Z	44 \| good	8.319 \| good	36.712 \| good	7.71 \| good	1.298 \| good	9.645 \| good	0.185 \| good
2025-12-09T02:00:00.000Z	49 \| good	9.104 \| good	40.464 \| good	6.868 \| good	1.235 \| good	12.333 \| good	0.215 \| good
2025-12-09T03:00:00.000Z	52 \| moderate	10.283 \| good	45.289 \| good	7.615 \| good	1.172 \| good	15.02 \| good	0.246 \| good
2025-12-09T04:00:00.000Z	52 \| moderate	9.73 \| good	42.972 \| good	6.941 \| good	1.255 \| good	14.88 \| good	0.252 \| good
2025-12-09T05:00:00.000Z	44 \| good	8.306 \| good	36.228 \| good	7.004 \| good	1.337 \| good	14.74 \| good	0.258 \| good
2025-12-09T06:00:00.000Z	38 \| good	6.959 \| good	30.967 \| good	6.682 \| good	1.419 \| good	14.599 \| good	0.264 \| good
2025-12-09T07:00:00.000Z	44 \| good	8.048 \| good	35.076 \| good	5.136 \| good	1.375 \| good	14.49 \| good	0.269 \| good
2025-12-09T08:00:00.000Z	44 \| good	7.739 \| good	33.842 \| good	5.658 \| good	1.33 \| good	14.381 \| good	0.274 \| good
2025-12-09T09:00:00.000Z	52 \| moderate	10.127 \| good	44.723 \| good	6.328 \| good	1.285 \| good	14.272 \| good	0.279 \| good
2025-12-09T10:00:00.000Z	49 \| good	8.631 \| good	37.972 \| good	8.232 \| good	1.194 \| good	13.429 \| good	0.269 \| good
2025-12-09T11:00:00.000Z	27 \| good	5.354 \| good	22.651 \| good	9.475 \| good	1.104 \| good	12.587 \| good	0.258 \| good
2025-12-09T12:00:00.000Z	27 \| good	5.328 \| good	22.998 \| good	10.93 \| good	1.013 \| good	11.744 \| good	0.248 \| good
2025-12-09T13:00:00.000Z	33 \| good	5.794 \| good	25.14 \| good	9.166 \| good	1.075 \| good	11.888 \| good	0.253 \| good
2025-12-09T14:00:00.000Z	33 \| good	5.87 \| good	25.223 \| good	9.56 \| good	1.138 \| good	12.033 \| good	0.259 \| good
2025-12-09T15:00:00.000Z	27 \| good	4.635 \| good	20.425 \| good	10.947 \| good	1.2 \| good	12.177 \| good	0.264 \| good
2025-12-09T16:00:00.000Z	16 \| good	2.619 \| good	10.604 \| good	10.972 \| good	1.179 \| good	10.732 \| good	0.255 \| good
2025-12-09T17:00:00.000Z	11 \| good	1.737 \| good	7.257 \| good	9.207 \| good	1.158 \| good	9.287 \| good	0.246 \| good
2025-12-09T18:00:00.000Z	22 \| good	4.206 \| good	18.423 \| good	7.725 \| good	1.137 \| good	7.842 \| good	0.238 \| good
2025-12-09T19:00:00.000Z	22 \| good	4.228 \| good	18.333 \| good	8.616 \| good	1.128 \| good	6.659 \| good	0.204 \| good
2025-12-09T20:00:00.000Z	16 \| good	2.693 \| good	11.495 \| good	11.21 \| good	1.12 \| good	5.477 \| good	0.171 \| good
2025-12-09T21:00:00.000Z	16 \| good	3.272 \| good	14.384 \| good	12.416 \| good	1.112 \| good	4.294 \| good	0.137 \| good
2025-12-09T22:00:00.000Z	27 \| good	4.839 \| good	20.754 \| good	13.951 \| good	1.055 \| good	5.048 \| good	0.136 \| good
2025-12-09T23:00:00.000Z	38 \| good	6.907 \| good	30.694 \| good	13.358 \| good	0.998 \| good	5.802 \| good	0.135 \| good
2025-12-10T00:00:00.000Z	44 \| good	8.114 \| good	10.225 \| good	26.001 \| good	0.931 \| good	6.487 \| good	0.134 \| good

TamalpaisHomestead Valley

Get reliable air quality data to drive your business

TamalpaisHomestead Valley, California air quality map: Stay updated on AQI near you

0.31ppm

How accurate is California, USA air quality data?

Air quality and pollutant data for California, 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 Tamalpaishomestead Valley, California?

The air quality information for Tamalpaishomestead Valley, California is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Tamalpaishomestead Valley, California at its worst?

In the past 24 hours, the air quality in Tamalpaishomestead Valley, California was at its worst at 05:00:00 on 2025-12-07.

When did Tamalpaishomestead Valley, California experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Tamalpaishomestead Valley, California was observed at 02:00:00 on 2025-12-07.

What is the AQI in Tamalpaishomestead Valley, California right now?

As of now, the AQI in Tamalpaishomestead Valley, California is 58, indicating Moderate conditions.

What is the most common type of pollution in Tamalpaishomestead Valley, California?

Tamalpaishomestead Valley, California air has the highest levels of PM2.5.

What should I do in case of poor air quality in Tamalpaishomestead Valley, California?

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

What is the PM_2.5 level in Tamalpaishomestead Valley, California at the moment?

PM_2.5 levels in Tamalpaishomestead Valley, California are currently 12.94 μg/m³.

What is the PM₁₀ level in Tamalpaishomestead Valley, California at the moment?

The PM₁₀ concentration in Tamalpaishomestead Valley, California is 58.966 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Tamalpaishomestead Valley, California at the moment?

The current carbon monoxide (CO) concentration in Tamalpaishomestead Valley, California is 0.336 ppm.

What is the sulfur dioxide (SO₂) level in Tamalpaishomestead Valley, California at the moment?

Currently, Tamalpaishomestead Valley, California has a sulfur dioxide (SO₂) concentration of 0.344 ppb.

What is the ozone (O₃) level in Tamalpaishomestead Valley, California at the moment?

The current ozone (O₃) level in Tamalpaishomestead Valley, California at the moment is 13.777 ppm.

What is the nitrogen dioxide (NO₂) level in Tamalpaishomestead Valley, California at the moment?

Nitrogen dioxide (NO₂) level in Tamalpaishomestead Valley, California at the moment is 4.089 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-06T01:00:00.000Z	62 \| moderate	15.475 \| fine	68.604 \| fine	14.31 \| good	0.353 \| good	8.449 \| good	0.356 \| good
2025-12-06T02:00:00.000Z	64 \| moderate	15.718 \| fine	70.674 \| fine	13.07 \| good	0.308 \| good	11.395 \| good	0.356 \| good
2025-12-06T03:00:00.000Z	64 \| moderate	16.094 \| fine	72.363 \| fine	10.597 \| good	0.298 \| good	13.306 \| good	0.434 \| good
2025-12-06T04:00:00.000Z	67 \| moderate	17.62 \| fine	78.888 \| fine	8.904 \| good	0.325 \| good	13.497 \| good	0.478 \| good
2025-12-06T05:00:00.000Z	73 \| moderate	21.011 \| fine	92.579 \| fine	8.161 \| good	0.434 \| good	13.338 \| good	0.497 \| good
2025-12-06T06:00:00.000Z	73 \| moderate	20.698 \| fine	90.702 \| fine	8.161 \| good	0.369 \| good	11.946 \| good	0.46 \| good
2025-12-06T07:00:00.000Z	71 \| moderate	20.09 \| fine	88.27 \| fine	8.485 \| good	0.377 \| good	11.764 \| good	0.46 \| good
2025-12-06T08:00:00.000Z	69 \| moderate	18.874 \| fine	83.166 \| fine	9.701 \| good	0.358 \| good	9.815 \| good	0.388 \| good
2025-12-06T09:00:00.000Z	69 \| moderate	18.874 \| fine	83.166 \| fine	9.701 \| good	0.387 \| good	8.123 \| good	0.299 \| good
2025-12-06T10:00:00.000Z	71 \| moderate	19.517 \| fine	84.699 \| fine	9.94 \| good	0.947 \| good	4.865 \| good	0.42 \| good
2025-12-06T11:00:00.000Z	52 \| moderate	9.121 \| good	57.225 \| fine	11.171 \| good	0.872 \| good	4.709 \| good	0.378 \| good
2025-12-06T12:00:00.000Z	66 \| moderate	17.031 \| fine	70.996 \| fine	10.113 \| good	0.327 \| good	9.154 \| good	0.385 \| good
2025-12-06T13:00:00.000Z	64 \| moderate	15.689 \| fine	69.743 \| fine	12.791 \| good	0.312 \| good	5.967 \| good	0.304 \| good
2025-12-06T14:00:00.000Z	69 \| moderate	19.172 \| fine	84.475 \| fine	10.926 \| good	0.491 \| good	7.167 \| good	0.32 \| good
2025-12-06T15:00:00.000Z	75 \| moderate	22.227 \| fine	98.266 \| fine	11.947 \| good	0.407 \| good	7.867 \| good	0.336 \| good
2025-12-06T16:00:00.000Z	77 \| moderate	22.947 \| fine	96.648 \| fine	10.894 \| good	0.381 \| good	7.416 \| good	0.342 \| good
2025-12-06T17:00:00.000Z	73 \| moderate	21.065 \| fine	90.771 \| fine	11.875 \| good	0.456 \| good	6.414 \| good	0.36 \| good
2025-12-06T18:00:00.000Z	69 \| moderate	19.12 \| fine	86.425 \| fine	11.555 \| good	0.53 \| good	5.443 \| good	0.336 \| good
2025-12-06T19:00:00.000Z	66 \| moderate	16.896 \| fine	71.737 \| fine	12.034 \| good	0.505 \| good	5.273 \| good	0.353 \| good
2025-12-06T20:00:00.000Z	64 \| moderate	15.926 \| fine	73.694 \| fine	12.557 \| good	0.498 \| good	4.53 \| good	0.353 \| good
2025-12-06T21:00:00.000Z	60 \| moderate	13.966 \| fine	61.929 \| fine	13.405 \| good	0.533 \| good	4.168 \| good	0.353 \| good
2025-12-06T22:00:00.000Z	56 \| moderate	11.925 \| good	51.431 \| good	13.865 \| good	0.485 \| good	4.126 \| good	0.353 \| good
2025-12-06T23:00:00.000Z	56 \| moderate	11.82 \| good	51.618 \| good	14.189 \| good	0.384 \| good	4.257 \| good	0.396 \| good
2025-12-07T00:00:00.000Z	56 \| moderate	11.515 \| good	41.408 \| good	13.918 \| good	0.381 \| good	5.483 \| good	0.396 \| good
2025-12-07T01:00:00.000Z	56 \| moderate	11.628 \| good	51.37 \| good	13.206 \| good	0.323 \| good	5.264 \| good	0.407 \| good
2025-12-07T02:00:00.000Z	56 \| moderate	11.506 \| good	48.681 \| good	12.899 \| good	0.24 \| good	6.059 \| good	0.353 \| good
2025-12-07T03:00:00.000Z	58 \| moderate	13.379 \| fine	59.643 \| fine	11.722 \| good	0.254 \| good	7.285 \| good	0.36 \| good
2025-12-07T04:00:00.000Z	62 \| moderate	14.72 \| fine	64.811 \| fine	11.366 \| good	0.271 \| good	8.046 \| good	0.42 \| good
2025-12-07T05:00:00.000Z	64 \| moderate	15.66 \| fine	68.904 \| fine	11.11 \| good	0.214 \| good	8.024 \| good	0.427 \| good
2025-12-07T06:00:00.000Z	62 \| moderate	14.729 \| fine	65.402 \| fine	10.354 \| good	0.212 \| good	7.785 \| good	0.42 \| good
2025-12-07T07:00:00.000Z	62 \| moderate	15.397 \| fine	64.967 \| fine	10.066 \| good	0.213 \| good	7.785 \| good	0.42 \| good
2025-12-07T08:00:00.000Z	64 \| moderate	15.927 \| fine	68.246 \| fine	10.455 \| good	0.195 \| good	7.537 \| good	0.434 \| good
2025-12-07T09:00:00.000Z	64 \| moderate	16.222 \| fine	72.88 \| fine	10.502 \| good	0.237 \| good	6.98 \| good	0.395 \| good
2025-12-07T10:00:00.000Z	62 \| moderate	15.097 \| fine	67.95 \| fine	10.273 \| good	0.474 \| good	3.806 \| good	0.253 \| good
2025-12-07T11:00:00.000Z	64 \| moderate	16.142 \| fine	70.383 \| fine	10.445 \| good	0.505 \| good	3.328 \| good	0.252 \| good
2025-12-07T12:00:00.000Z	69 \| moderate	18.763 \| fine	86.776 \| fine	7.984 \| good	0.345 \| good	2.706 \| good	0.198 \| good
2025-12-07T13:00:00.000Z	73 \| moderate	20.684 \| fine	90.561 \| fine	10.706 \| good	0.285 \| good	7.091 \| good	0.287 \| good
2025-12-07T14:00:00.000Z	71 \| moderate	20.141 \| fine	91.587 \| fine	11.057 \| good	0.332 \| good	6.419 \| good	0.344 \| good
2025-12-07T15:00:00.000Z	77 \| moderate	23.221 \| fine	101.161 \| fine	11.361 \| good	0.309 \| good	6.466 \| good	0.32 \| good
2025-12-07T16:00:00.000Z	75 \| moderate	22.418 \| fine	95.256 \| fine	10.763 \| good	0.243 \| good	7.242 \| good	0.32 \| good
2025-12-07T17:00:00.000Z	77 \| moderate	22.771 \| fine	98.917 \| fine	10.405 \| good	0.266 \| good	6.986 \| good	0.32 \| good
2025-12-07T18:00:00.000Z	73 \| moderate	20.75 \| fine	89.734 \| fine	10.947 \| good	0.288 \| good	6.487 \| good	0.356 \| good
2025-12-07T19:00:00.000Z	69 \| moderate	18.836 \| fine	82.439 \| fine	12.475 \| good	0.326 \| good	5.166 \| good	0.356 \| good
2025-12-07T20:00:00.000Z	67 \| moderate	17.92 \| fine	78.084 \| fine	12.611 \| good	0.31 \| good	4.499 \| good	0.349 \| good
2025-12-07T21:00:00.000Z	64 \| moderate	16.018 \| fine	71.529 \| fine	12.358 \| good	0.397 \| good	5.15 \| good	0.342 \| good
2025-12-07T22:00:00.000Z	64 \| moderate	16.484 \| fine	72.794 \| fine	13.034 \| good	0.33 \| good	3.45 \| good	0.336 \| good
2025-12-07T23:00:00.000Z	58 \| moderate	13.496 \| fine	60.409 \| fine	13.882 \| good	0.287 \| good	3.388 \| good	0.336 \| good
2025-12-08T00:00:00.000Z	58 \| moderate	12.94 \| fine	58.966 \| fine	13.777 \| good	0.344 \| good	4.089 \| good	0.336 \| good
2025-12-08T00:00:00.000Z	58 \| moderate	12.94 \| fine	58.966 \| fine	13.777 \| good	0.344 \| good	4.089 \| good	0.336 \| good
2025-12-08T01:00:00.000Z	22 \| good	4.101 \| good	18.148 \| good	13.443 \| good	1.245 \| good	10.742 \| good	0.188 \| good
2025-12-08T02:00:00.000Z	27 \| good	5.188 \| good	22.129 \| good	10.733 \| good	1.251 \| good	12.985 \| good	0.217 \| good
2025-12-08T03:00:00.000Z	38 \| good	7.185 \| good	31.608 \| good	7.9 \| good	1.257 \| good	15.228 \| good	0.246 \| good
2025-12-08T04:00:00.000Z	38 \| good	6.689 \| good	29.572 \| good	8.062 \| good	1.376 \| good	15.61 \| good	0.257 \| good
2025-12-08T05:00:00.000Z	44 \| good	7.861 \| good	34.471 \| good	5.628 \| good	1.494 \| good	15.991 \| good	0.268 \| good
2025-12-08T06:00:00.000Z	44 \| good	8.03 \| good	35.221 \| good	4.663 \| good	1.613 \| good	16.373 \| good	0.279 \| good
2025-12-08T07:00:00.000Z	54 \| moderate	10.927 \| good	48.027 \| good	4.518 \| good	1.608 \| good	16.193 \| good	0.29 \| good
2025-12-08T08:00:00.000Z	58 \| moderate	12.941 \| fine	57.617 \| fine	4.117 \| good	1.602 \| good	16.012 \| good	0.302 \| good
2025-12-08T09:00:00.000Z	62 \| moderate	14.835 \| fine	65.903 \| fine	6.539 \| good	1.597 \| good	15.832 \| good	0.314 \| good
2025-12-08T10:00:00.000Z	58 \| moderate	13.476 \| fine	59.925 \| fine	8.355 \| good	1.506 \| good	15.121 \| good	0.313 \| good
2025-12-08T11:00:00.000Z	58 \| moderate	13.126 \| fine	59.496 \| fine	9.28 \| good	1.416 \| good	14.409 \| good	0.312 \| good
2025-12-08T12:00:00.000Z	66 \| moderate	16.853 \| fine	75.629 \| fine	8.519 \| good	1.326 \| good	13.698 \| good	0.311 \| good
2025-12-08T13:00:00.000Z	66 \| moderate	17.385 \| fine	77.887 \| fine	7.343 \| good	1.347 \| good	13.193 \| good	0.316 \| good
2025-12-08T14:00:00.000Z	67 \| moderate	18.201 \| fine	80.274 \| fine	5.993 \| good	1.368 \| good	12.687 \| good	0.321 \| good
2025-12-08T15:00:00.000Z	64 \| moderate	15.964 \| fine	70.599 \| fine	6.99 \| good	1.389 \| good	12.182 \| good	0.325 \| good
2025-12-08T16:00:00.000Z	58 \| moderate	13.067 \| fine	58.367 \| fine	6.704 \| good	1.638 \| good	11.62 \| good	0.3 \| good
2025-12-08T17:00:00.000Z	54 \| moderate	10.598 \| good	47.375 \| good	8.091 \| good	1.886 \| good	11.057 \| good	0.275 \| good
2025-12-08T18:00:00.000Z	52 \| moderate	10.421 \| good	46.181 \| good	9.373 \| good	2.134 \| good	10.495 \| good	0.25 \| good
2025-12-08T19:00:00.000Z	52 \| moderate	9.777 \| good	43.745 \| good	11.017 \| good	2.021 \| good	8.955 \| good	0.22 \| good
2025-12-08T20:00:00.000Z	49 \| good	9.38 \| good	41.914 \| good	14.31 \| good	1.909 \| good	7.415 \| good	0.19 \| good
2025-12-08T21:00:00.000Z	52 \| moderate	10.214 \| good	45.385 \| good	15.384 \| good	1.796 \| good	5.875 \| good	0.16 \| good
2025-12-08T22:00:00.000Z	54 \| moderate	10.879 \| good	48.26 \| good	14.932 \| good	1.651 \| good	6.236 \| good	0.158 \| good
2025-12-08T23:00:00.000Z	54 \| moderate	10.945 \| good	48.593 \| good	15.083 \| good	1.506 \| good	6.597 \| good	0.156 \| good
2025-12-09T00:00:00.000Z	44 \| good	7.996 \| good	34.902 \| good	12.036 \| good	1.361 \| good	6.958 \| good	0.154 \| good
2025-12-09T01:00:00.000Z	44 \| good	8.319 \| good	36.712 \| good	7.71 \| good	1.298 \| good	9.645 \| good	0.185 \| good
2025-12-09T02:00:00.000Z	49 \| good	9.104 \| good	40.464 \| good	6.868 \| good	1.235 \| good	12.333 \| good	0.215 \| good
2025-12-09T03:00:00.000Z	52 \| moderate	10.283 \| good	45.289 \| good	7.615 \| good	1.172 \| good	15.02 \| good	0.246 \| good
2025-12-09T04:00:00.000Z	52 \| moderate	9.73 \| good	42.972 \| good	6.941 \| good	1.255 \| good	14.88 \| good	0.252 \| good
2025-12-09T05:00:00.000Z	44 \| good	8.306 \| good	36.228 \| good	7.004 \| good	1.337 \| good	14.74 \| good	0.258 \| good
2025-12-09T06:00:00.000Z	38 \| good	6.959 \| good	30.967 \| good	6.682 \| good	1.419 \| good	14.599 \| good	0.264 \| good
2025-12-09T07:00:00.000Z	44 \| good	8.048 \| good	35.076 \| good	5.136 \| good	1.375 \| good	14.49 \| good	0.269 \| good
2025-12-09T08:00:00.000Z	44 \| good	7.739 \| good	33.842 \| good	5.658 \| good	1.33 \| good	14.381 \| good	0.274 \| good
2025-12-09T09:00:00.000Z	52 \| moderate	10.127 \| good	44.723 \| good	6.328 \| good	1.285 \| good	14.272 \| good	0.279 \| good
2025-12-09T10:00:00.000Z	49 \| good	8.631 \| good	37.972 \| good	8.232 \| good	1.194 \| good	13.429 \| good	0.269 \| good
2025-12-09T11:00:00.000Z	27 \| good	5.354 \| good	22.651 \| good	9.475 \| good	1.104 \| good	12.587 \| good	0.258 \| good
2025-12-09T12:00:00.000Z	27 \| good	5.328 \| good	22.998 \| good	10.93 \| good	1.013 \| good	11.744 \| good	0.248 \| good
2025-12-09T13:00:00.000Z	33 \| good	5.794 \| good	25.14 \| good	9.166 \| good	1.075 \| good	11.888 \| good	0.253 \| good
2025-12-09T14:00:00.000Z	33 \| good	5.87 \| good	25.223 \| good	9.56 \| good	1.138 \| good	12.033 \| good	0.259 \| good
2025-12-09T15:00:00.000Z	27 \| good	4.635 \| good	20.425 \| good	10.947 \| good	1.2 \| good	12.177 \| good	0.264 \| good
2025-12-09T16:00:00.000Z	16 \| good	2.619 \| good	10.604 \| good	10.972 \| good	1.179 \| good	10.732 \| good	0.255 \| good
2025-12-09T17:00:00.000Z	11 \| good	1.737 \| good	7.257 \| good	9.207 \| good	1.158 \| good	9.287 \| good	0.246 \| good
2025-12-09T18:00:00.000Z	22 \| good	4.206 \| good	18.423 \| good	7.725 \| good	1.137 \| good	7.842 \| good	0.238 \| good
2025-12-09T19:00:00.000Z	22 \| good	4.228 \| good	18.333 \| good	8.616 \| good	1.128 \| good	6.659 \| good	0.204 \| good
2025-12-09T20:00:00.000Z	16 \| good	2.693 \| good	11.495 \| good	11.21 \| good	1.12 \| good	5.477 \| good	0.171 \| good
2025-12-09T21:00:00.000Z	16 \| good	3.272 \| good	14.384 \| good	12.416 \| good	1.112 \| good	4.294 \| good	0.137 \| good
2025-12-09T22:00:00.000Z	27 \| good	4.839 \| good	20.754 \| good	13.951 \| good	1.055 \| good	5.048 \| good	0.136 \| good
2025-12-09T23:00:00.000Z	38 \| good	6.907 \| good	30.694 \| good	13.358 \| good	0.998 \| good	5.802 \| good	0.135 \| good
2025-12-10T00:00:00.000Z	44 \| good	8.114 \| good	10.225 \| good	26.001 \| good	0.931 \| good	6.487 \| good	0.134 \| good

Live air quality index in TamalpaisHomestead Valley, California today

Major air pollutants in TamalpaisHomestead Valley, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live TamalpaisHomestead Valley, California air quality forecast and history

Get reliable air quality data to drive your business

TamalpaisHomestead Valley, California air quality map: Stay updated on AQI near you

Air quality in nearby cities

TamalpaisHomestead Valley, California

Mill Valley, California

Larkspur, California

San Rafael, California

San Anselmo, California

San Francisco, California

How accurate is California, USA air quality data?

Air quality levels in US

Frequently asked questions

How often is air quality information updated for Tamalpaishomestead Valley, California?

What time in the last 24 hours was the air quality in Tamalpaishomestead Valley, California at its worst?

When did Tamalpaishomestead Valley, California experience the best air quality in the last 24 hours?

What is the AQI in Tamalpaishomestead Valley, California right now?

What is the most common type of pollution in Tamalpaishomestead Valley, California?

What should I do in case of poor air quality in Tamalpaishomestead Valley, California?

What is the PM2.5 level in Tamalpaishomestead Valley, California at the moment?

What is the PM10 level in Tamalpaishomestead Valley, California at the moment?

What is the carbon monoxide (CO) level in Tamalpaishomestead Valley, California at the moment?

What is the sulfur dioxide (SO2) level in Tamalpaishomestead Valley, California at the moment?

What is the ozone (O3) level in Tamalpaishomestead Valley, California at the moment?

What is the nitrogen dioxide (NO2) level in Tamalpaishomestead Valley, California 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 Tamalpaishomestead Valley, California at the moment?

What is the PM₁₀ level in Tamalpaishomestead Valley, California at the moment?

What is the sulfur dioxide (SO₂) level in Tamalpaishomestead Valley, California at the moment?

What is the ozone (O₃) level in Tamalpaishomestead Valley, California at the moment?

What is the nitrogen dioxide (NO₂) level in Tamalpaishomestead Valley, California at the moment?