What is the current concentration of PM10 in Larkspur, California?

The current PM10 concentration at Larkspur, California is 4.513 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Larkspur, California?

The current sulfur dioxide (SO2) concentration at Larkspur, California is 0.312 ppb.

What is the current concentration of ozone (O3) in Larkspur, California?

The current ozone (O3) concentration at Larkspur, California is 25.348 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Larkspur, California?

The current nitrogen dioxide (NO2) concentration at Larkspur, California is 2.347 ppb.

Larkspur, California live air quality index now

Q: What is the current concentration of PM2.5 in Larkspur, California?

The current PM2.5 concentration at Larkspur, California is 1.132 μg/m3.

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

Good

Larkspur, California

Last updated: ... (Local time)

Major air pollutants in Larkspur, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

1.60 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

6.88 μg/m³

155

255

425

605+

Ozone (O₃)

24.52 ppb

201

201+

Sulfur Dioxide (SO₂)

0.40 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.68 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.22 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Larkspur, California

Get Live Pollen Counts

Larkspur, California

Scroll To Air Quality Map

Track live Larkspur, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-06-11T10:00:00.000Z	56 \| moderate	12.39 \| fine	55.447 \| fine	13.811 \| good	0.491 \| good	11.946 \| good	0.319 \| good
2026-06-11T11:00:00.000Z	56 \| moderate	11.919 \| good	52.857 \| good	11.762 \| good	0.327 \| good	12.823 \| good	0.319 \| good
2026-06-11T12:00:00.000Z	56 \| moderate	11.868 \| good	53.04 \| good	11.367 \| good	0.285 \| good	12.569 \| good	0.319 \| good
2026-06-11T13:00:00.000Z	56 \| moderate	11.874 \| good	53.04 \| good	10.949 \| good	0.488 \| good	13.02 \| good	0.341 \| good
2026-06-11T14:00:00.000Z	52 \| moderate	10.36 \| good	46.057 \| good	10.147 \| good	0.294 \| good	14.846 \| good	0.449 \| good
2026-06-11T15:00:00.000Z	52 \| moderate	10.087 \| good	45.076 \| good	12.399 \| good	0.414 \| good	13.49 \| good	0.451 \| good
2026-06-11T16:00:00.000Z	56 \| moderate	12.426 \| fine	55.617 \| fine	12.048 \| good	0.46 \| good	12.782 \| good	0.403 \| good
2026-06-11T17:00:00.000Z	62 \| moderate	15.01 \| fine	66.67 \| fine	16.051 \| good	0.828 \| good	15.517 \| good	0.399 \| good
2026-06-11T18:00:00.000Z	64 \| moderate	15.846 \| fine	70.989 \| fine	25.391 \| good	1.061 \| good	13.846 \| good	0.388 \| good
2026-06-11T19:00:00.000Z	66 \| moderate	16.967 \| fine	75.45 \| fine	26.34 \| good	0.66 \| good	12.957 \| good	0.359 \| good
2026-06-11T20:00:00.000Z	60 \| moderate	13.739 \| fine	61.668 \| fine	29.364 \| good	0.588 \| good	12.22 \| good	0.35 \| good
2026-06-11T21:00:00.000Z	54 \| moderate	11.489 \| good	50.76 \| good	30.237 \| good	0.67 \| good	7.473 \| good	0.424 \| good
2026-06-11T22:00:00.000Z	54 \| moderate	10.864 \| good	48.17 \| good	31.269 \| good	0.609 \| good	6.927 \| good	0.403 \| good
2026-06-11T23:00:00.000Z	52 \| moderate	10.492 \| good	46.574 \| good	37.818 \| good	0.477 \| good	3.54 \| good	0.244 \| good
2026-06-12T00:00:00.000Z	52 \| moderate	10.201 \| good	45.49 \| good	38.457 \| good	0.38 \| good	4.146 \| good	0.239 \| good
2026-06-12T01:00:00.000Z	56 \| moderate	11.766 \| good	52.43 \| good	39.505 \| good	0.627 \| good	4.182 \| good	0.311 \| good
2026-06-12T02:00:00.000Z	58 \| moderate	13.18 \| fine	58.332 \| fine	32.288 \| good	0.54 \| good	4.176 \| good	0.239 \| good
2026-06-12T03:00:00.000Z	60 \| moderate	13.652 \| fine	60.401 \| fine	30.483 \| good	0.424 \| good	4.787 \| good	0.311 \| good
2026-06-12T04:00:00.000Z	56 \| moderate	12.21 \| fine	54.601 \| good	30.269 \| good	0.32 \| good	3.139 \| good	0.245 \| good
2026-06-12T05:00:00.000Z	54 \| moderate	11.264 \| good	49.921 \| good	28.375 \| good	0.525 \| good	3.164 \| good	0.25 \| good
2026-06-12T06:00:00.000Z	52 \| moderate	10.453 \| good	46.428 \| good	28.246 \| good	0.512 \| good	1.942 \| good	0.239 \| good
2026-06-12T07:00:00.000Z	52 \| moderate	10.273 \| good	45.592 \| good	28.033 \| good	0.508 \| good	1.959 \| good	0.239 \| good
2026-06-12T08:00:00.000Z	38 \| good	6.878 \| good	29.975 \| good	27.905 \| good	0.271 \| good	1.203 \| good	0.239 \| good
2026-06-12T09:00:00.000Z	27 \| good	5.209 \| good	23.559 \| good	27.917 \| good	0.413 \| good	1.04 \| good	0.231 \| good
2026-06-12T10:00:00.000Z	27 \| good	5.022 \| good	22.738 \| good	27.312 \| good	0.224 \| good	1.046 \| good	0.239 \| good
2026-06-12T11:00:00.000Z	27 \| good	4.575 \| good	19.528 \| good	26.6 \| good	0.331 \| good	1.098 \| good	0.231 \| good
2026-06-12T12:00:00.000Z	23 \| good	4.374 \| good	19.241 \| good	25.176 \| good	0.35 \| good	1.02 \| good	0.231 \| good
2026-06-12T13:00:00.000Z	23 \| good	4.368 \| good	19.193 \| good	24.758 \| good	0.537 \| good	1.569 \| good	0.244 \| good
2026-06-12T14:00:00.000Z	22 \| good	3.688 \| good	18.987 \| good	18.92 \| good	0.388 \| good	5.916 \| good	0.255 \| good
2026-06-12T15:00:00.000Z	33 \| good	5.66 \| good	24.899 \| good	18.732 \| good	0.477 \| good	6.36 \| good	0.332 \| good
2026-06-12T16:00:00.000Z	27 \| good	5.37 \| good	23.898 \| good	19.197 \| good	0.522 \| good	6.555 \| good	0.339 \| good
2026-06-12T17:00:00.000Z	27 \| good	4.764 \| good	21.348 \| good	21.592 \| good	0.686 \| good	5.671 \| good	0.287 \| good
2026-06-12T18:00:00.000Z	22 \| good	4.21 \| good	18.735 \| good	24.389 \| good	0.471 \| good	5.859 \| good	0.278 \| good
2026-06-12T19:00:00.000Z	25 \| good	4.288 \| good	19.034 \| good	27.487 \| good	0.471 \| good	5.847 \| good	0.278 \| good
2026-06-12T20:00:00.000Z	30 \| good	5.196 \| good	22.791 \| good	31.683 \| good	0.589 \| good	3.544 \| good	0.269 \| good
2026-06-12T21:00:00.000Z	32 \| good	4.792 \| good	21.358 \| good	34.677 \| good	0.578 \| good	3.578 \| good	0.269 \| good
2026-06-12T22:00:00.000Z	33 \| good	4.878 \| good	21.292 \| good	35.687 \| good	0.348 \| good	3.155 \| good	0.255 \| good
2026-06-12T23:00:00.000Z	32 \| good	5.016 \| good	22.421 \| good	34.953 \| good	0.306 \| good	2.668 \| good	0.258 \| good
2026-06-13T00:00:00.000Z	32 \| good	3.732 \| good	16.615 \| good	34.609 \| good	0.347 \| good	2.569 \| good	0.255 \| good
2026-06-13T01:00:00.000Z	32 \| good	3.504 \| good	14.622 \| good	34.997 \| good	0.334 \| good	2.834 \| good	0.255 \| good
2026-06-13T02:00:00.000Z	31 \| good	3.477 \| good	14.441 \| good	33.567 \| good	0.325 \| good	3.066 \| good	0.255 \| good
2026-06-13T03:00:00.000Z	29 \| good	3.133 \| good	12.977 \| good	31.189 \| good	0.295 \| good	4.07 \| good	0.255 \| good
2026-06-13T04:00:00.000Z	29 \| good	3.739 \| good	16.458 \| good	31.104 \| good	0.313 \| good	3.768 \| good	0.249 \| good
2026-06-13T05:00:00.000Z	28 \| good	3.036 \| good	13.021 \| good	29.577 \| good	0.411 \| good	3.045 \| good	0.246 \| good
2026-06-13T06:00:00.000Z	26 \| good	3.024 \| good	13.021 \| good	27.515 \| good	0.384 \| good	3.164 \| good	0.246 \| good
2026-06-13T07:00:00.000Z	24 \| good	1.54 \| good	6.365 \| good	25.737 \| good	0.293 \| good	2.618 \| good	0.259 \| good
2026-06-13T08:00:00.000Z	23 \| good	1.838 \| good	7.928 \| good	25.144 \| good	0.381 \| good	1.883 \| good	0.244 \| good
2026-06-13T09:00:00.000Z	23 \| good	1.598 \| good	6.878 \| good	24.523 \| good	0.401 \| good	1.677 \| good	0.218 \| good
2026-06-13T09:00:00.000Z	38 \| good	7.137 \| good	31.988 \| good	26.756 \| good	0.442 \| good	5.653 \| good	0.106 \| good
2026-06-13T10:00:00.000Z	38 \| good	7.085 \| good	31.016 \| good	26.865 \| good	0.456 \| good	5.165 \| good	0.104 \| good
2026-06-13T11:00:00.000Z	38 \| good	7.493 \| good	33.007 \| good	23.735 \| good	0.494 \| good	4.637 \| good	0.102 \| good
2026-06-13T12:00:00.000Z	52 \| moderate	9.84 \| good	43.994 \| good	34.051 \| good	0.499 \| good	4.232 \| good	0.101 \| good
2026-06-13T13:00:00.000Z	44 \| good	8.297 \| good	36.029 \| good	30.472 \| good	0.461 \| good	3.948 \| good	0.101 \| good
2026-06-13T14:00:00.000Z	54 \| moderate	10.557 \| good	46.991 \| good	29.46 \| good	0.496 \| good	3.485 \| good	0.101 \| good
2026-06-13T15:00:00.000Z	58 \| moderate	13.283 \| fine	59.027 \| fine	25.776 \| good	0.56 \| good	3.112 \| good	0.1 \| good
2026-06-13T16:00:00.000Z	58 \| moderate	12.862 \| fine	57.06 \| fine	23.1 \| good	0.618 \| good	2.865 \| good	0.102 \| good
2026-06-13T17:00:00.000Z	58 \| moderate	13.444 \| fine	60.989 \| fine	27.463 \| good	0.632 \| good	2.703 \| good	0.103 \| good
2026-06-13T18:00:00.000Z	58 \| moderate	12.705 \| fine	57.01 \| fine	32.437 \| good	0.676 \| good	2.306 \| good	0.104 \| good
2026-06-13T19:00:00.000Z	54 \| moderate	10.963 \| good	48.013 \| good	34.52 \| good	0.692 \| good	1.814 \| good	0.102 \| good
2026-06-13T20:00:00.000Z	52 \| moderate	10.062 \| good	44.954 \| good	35.659 \| good	0.698 \| good	1.438 \| good	0.099 \| good
2026-06-13T21:00:00.000Z	49 \| good	9.139 \| good	40.954 \| good	36.294 \| good	0.684 \| good	1.22 \| good	0.095 \| good
2026-06-13T22:00:00.000Z	49 \| good	9.441 \| good	41.989 \| good	37.75 \| good	0.658 \| good	1.146 \| good	0.092 \| good
2026-06-13T23:00:00.000Z	49 \| good	8.779 \| good	38.031 \| good	36.283 \| good	0.622 \| good	1.146 \| good	0.09 \| good
2026-06-14T00:00:00.000Z	49 \| good	9.209 \| good	40.976 \| good	31.964 \| good	0.58 \| good	1.285 \| good	0.089 \| good
2026-06-14T01:00:00.000Z	49 \| good	8.978 \| good	39.027 \| good	30.15 \| good	0.557 \| good	1.501 \| good	0.088 \| good
2026-06-14T02:00:00.000Z	52 \| moderate	9.551 \| good	42.99 \| good	27.939 \| good	0.534 \| good	1.922 \| good	0.088 \| good
2026-06-14T03:00:00.000Z	54 \| moderate	10.702 \| good	47.966 \| good	28.231 \| good	0.514 \| good	2.469 \| good	0.089 \| good
2026-06-14T04:00:00.000Z	52 \| moderate	9.703 \| good	43.026 \| good	28.212 \| good	0.494 \| good	3.095 \| good	0.09 \| good
2026-06-14T05:00:00.000Z	52 \| moderate	9.523 \| good	42.984 \| good	28.629 \| good	0.498 \| good	3.604 \| good	0.092 \| good
2026-06-14T06:00:00.000Z	52 \| moderate	9.603 \| good	42.989 \| good	28.775 \| good	0.524 \| good	3.871 \| good	0.092 \| good
2026-06-14T07:00:00.000Z	49 \| good	8.646 \| good	38.027 \| good	29.173 \| good	0.54 \| good	3.941 \| good	0.092 \| good
2026-06-14T08:00:00.000Z	44 \| good	7.525 \| good	33.031 \| good	26.75 \| good	0.54 \| good	3.623 \| good	0.092 \| good
2026-06-14T09:00:00.000Z	38 \| good	7.364 \| good	32.043 \| good	26.139 \| good	0.526 \| good	3.204 \| good	0.091 \| good
2026-06-14T10:00:00.000Z	38 \| good	7.362 \| good	32.034 \| good	24.532 \| good	0.515 \| good	2.733 \| good	0.089 \| good
2026-06-14T11:00:00.000Z	44 \| good	7.604 \| good	33.986 \| good	23.605 \| good	0.502 \| good	2.45 \| good	0.088 \| good
2026-06-14T12:00:00.000Z	49 \| good	8.762 \| good	38.051 \| good	28.843 \| good	0.458 \| good	2.535 \| good	0.088 \| good
2026-06-14T13:00:00.000Z	38 \| good	6.905 \| good	30.994 \| good	23.006 \| good	0.409 \| good	2.642 \| good	0.088 \| good
2026-06-14T14:00:00.000Z	49 \| good	9.141 \| good	40.971 \| good	23.102 \| good	0.466 \| good	2.387 \| good	0.087 \| good
2026-06-14T15:00:00.000Z	56 \| moderate	11.828 \| good	52.038 \| good	23.243 \| good	0.476 \| good	2.34 \| good	0.088 \| good
2026-06-14T16:00:00.000Z	56 \| moderate	11.82 \| good	52.038 \| good	24.578 \| good	0.504 \| good	2.289 \| good	0.089 \| good
2026-06-14T17:00:00.000Z	58 \| moderate	13.041 \| fine	59.007 \| fine	27.772 \| good	0.535 \| good	2.019 \| good	0.089 \| good
2026-06-14T18:00:00.000Z	56 \| moderate	11.906 \| good	53.963 \| good	29.093 \| good	0.563 \| good	1.605 \| good	0.089 \| good
2026-06-14T19:00:00.000Z	52 \| moderate	9.644 \| good	42.99 \| good	27.682 \| good	0.563 \| good	1.253 \| good	0.088 \| good
2026-06-14T20:00:00.000Z	44 \| good	8.278 \| good	36.028 \| good	27.375 \| good	0.548 \| good	0.992 \| good	0.087 \| good
2026-06-14T21:00:00.000Z	38 \| good	7.198 \| good	31.992 \| good	27.095 \| good	0.518 \| good	0.831 \| good	0.086 \| good
2026-06-14T22:00:00.000Z	44 \| good	7.896 \| good	34.966 \| good	29.688 \| good	0.495 \| good	0.772 \| good	0.085 \| good
2026-06-14T23:00:00.000Z	44 \| good	7.825 \| good	34.012 \| good	30.291 \| good	0.477 \| good	0.782 \| good	0.084 \| good
2026-06-15T00:00:00.000Z	49 \| good	8.565 \| good	37.016 \| good	27.952 \| good	0.46 \| good	0.878 \| good	0.084 \| good
2026-06-15T01:00:00.000Z	52 \| moderate	9.655 \| good	42.976 \| good	27.751 \| good	0.467 \| good	1.226 \| good	0.086 \| good
2026-06-15T02:00:00.000Z	52 \| moderate	10.438 \| good	45.999 \| good	25.999 \| good	0.465 \| good	1.705 \| good	0.087 \| good
2026-06-15T03:00:00.000Z	54 \| moderate	10.642 \| good	47.002 \| good	26.61 \| good	0.459 \| good	2.389 \| good	0.088 \| good
2026-06-15T04:00:00.000Z	52 \| moderate	9.641 \| good	43.006 \| good	27 \| good	0.47 \| good	3.023 \| good	0.09 \| good
2026-06-15T05:00:00.000Z	52 \| moderate	9.557 \| good	42.996 \| good	27.053 \| good	0.449 \| good	3.962 \| good	0.093 \| good
2026-06-15T06:00:00.000Z	62 \| moderate	15.284 \| fine	21.999 \| good	25.444 \| good	0.441 \| good	4.667 \| good	0.095 \| good
2026-06-15T07:00:00.000Z	49 \| good	8.903 \| good	39.038 \| good	26.42 \| good	0.414 \| good	4.795 \| good	0.095 \| good
2026-06-15T08:00:00.000Z	44 \| good	8.285 \| good	36.022 \| good	25.485 \| good	0.435 \| good	3.911 \| good	0.092 \| good

Larkspur

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Larkspur, California air quality map: Track AQI near you

0.32ppm

How accurate is California, USA air quality data?

Air quality data and pollutant measurements for California, 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 Larkspur, California updated?

The air quality for Larkspur, California is updated every hour.

When was the worst air quality at Larkspur, California in the last 24 hrs?

The worst air quality in Larkspur, California in the last 24 hours was observed at 08:00:00 on 2026-06-12.

When was the best air quality at Larkspur, California in the last 24 hrs?

In the last 24 hrs, the best air quality in Larkspur, California was observed at 06:00:00 on 2026-06-12.

What is the current air quality in Larkspur, California?

The current air quality in Larkspur, California is 23, categorized as Good based on real-time data.

What pollutant is the most common in Larkspur, California?

The most common pollutant in Larkspur, California is O3.

What should I do if the air quality in Larkspur, California is poor?

If the air quality in Larkspur, California is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Larkspur, California?

The current PM_2.5 concentration at Larkspur, California is 1.132 μg/m³.

What is the current concentration of PM₁₀ in Larkspur, California?

The current PM₁₀ concentration at Larkspur, California is 4.513 μg/m³.

What is the current concentration of carbon monoxide (CO) in Larkspur, California?

The current carbon monoxide (CO) concentration at Larkspur, California is 0.225 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Larkspur, California?

The current sulfur dioxide (SO₂) concentration at Larkspur, California is 0.312 ppb.

What is the current concentration of ozone (O₃) in Larkspur, California?

The current ozone (O₃) concentration at Larkspur, California is 25.348 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Larkspur, California?

The current nitrogen dioxide (NO₂) concentration at Larkspur, California is 2.347 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-06-11T10:00:00.000Z	56 \| moderate	12.39 \| fine	55.447 \| fine	13.811 \| good	0.491 \| good	11.946 \| good	0.319 \| good
2026-06-11T11:00:00.000Z	56 \| moderate	11.919 \| good	52.857 \| good	11.762 \| good	0.327 \| good	12.823 \| good	0.319 \| good
2026-06-11T12:00:00.000Z	56 \| moderate	11.868 \| good	53.04 \| good	11.367 \| good	0.285 \| good	12.569 \| good	0.319 \| good
2026-06-11T13:00:00.000Z	56 \| moderate	11.874 \| good	53.04 \| good	10.949 \| good	0.488 \| good	13.02 \| good	0.341 \| good
2026-06-11T14:00:00.000Z	52 \| moderate	10.36 \| good	46.057 \| good	10.147 \| good	0.294 \| good	14.846 \| good	0.449 \| good
2026-06-11T15:00:00.000Z	52 \| moderate	10.087 \| good	45.076 \| good	12.399 \| good	0.414 \| good	13.49 \| good	0.451 \| good
2026-06-11T16:00:00.000Z	56 \| moderate	12.426 \| fine	55.617 \| fine	12.048 \| good	0.46 \| good	12.782 \| good	0.403 \| good
2026-06-11T17:00:00.000Z	62 \| moderate	15.01 \| fine	66.67 \| fine	16.051 \| good	0.828 \| good	15.517 \| good	0.399 \| good
2026-06-11T18:00:00.000Z	64 \| moderate	15.846 \| fine	70.989 \| fine	25.391 \| good	1.061 \| good	13.846 \| good	0.388 \| good
2026-06-11T19:00:00.000Z	66 \| moderate	16.967 \| fine	75.45 \| fine	26.34 \| good	0.66 \| good	12.957 \| good	0.359 \| good
2026-06-11T20:00:00.000Z	60 \| moderate	13.739 \| fine	61.668 \| fine	29.364 \| good	0.588 \| good	12.22 \| good	0.35 \| good
2026-06-11T21:00:00.000Z	54 \| moderate	11.489 \| good	50.76 \| good	30.237 \| good	0.67 \| good	7.473 \| good	0.424 \| good
2026-06-11T22:00:00.000Z	54 \| moderate	10.864 \| good	48.17 \| good	31.269 \| good	0.609 \| good	6.927 \| good	0.403 \| good
2026-06-11T23:00:00.000Z	52 \| moderate	10.492 \| good	46.574 \| good	37.818 \| good	0.477 \| good	3.54 \| good	0.244 \| good
2026-06-12T00:00:00.000Z	52 \| moderate	10.201 \| good	45.49 \| good	38.457 \| good	0.38 \| good	4.146 \| good	0.239 \| good
2026-06-12T01:00:00.000Z	56 \| moderate	11.766 \| good	52.43 \| good	39.505 \| good	0.627 \| good	4.182 \| good	0.311 \| good
2026-06-12T02:00:00.000Z	58 \| moderate	13.18 \| fine	58.332 \| fine	32.288 \| good	0.54 \| good	4.176 \| good	0.239 \| good
2026-06-12T03:00:00.000Z	60 \| moderate	13.652 \| fine	60.401 \| fine	30.483 \| good	0.424 \| good	4.787 \| good	0.311 \| good
2026-06-12T04:00:00.000Z	56 \| moderate	12.21 \| fine	54.601 \| good	30.269 \| good	0.32 \| good	3.139 \| good	0.245 \| good
2026-06-12T05:00:00.000Z	54 \| moderate	11.264 \| good	49.921 \| good	28.375 \| good	0.525 \| good	3.164 \| good	0.25 \| good
2026-06-12T06:00:00.000Z	52 \| moderate	10.453 \| good	46.428 \| good	28.246 \| good	0.512 \| good	1.942 \| good	0.239 \| good
2026-06-12T07:00:00.000Z	52 \| moderate	10.273 \| good	45.592 \| good	28.033 \| good	0.508 \| good	1.959 \| good	0.239 \| good
2026-06-12T08:00:00.000Z	38 \| good	6.878 \| good	29.975 \| good	27.905 \| good	0.271 \| good	1.203 \| good	0.239 \| good
2026-06-12T09:00:00.000Z	27 \| good	5.209 \| good	23.559 \| good	27.917 \| good	0.413 \| good	1.04 \| good	0.231 \| good
2026-06-12T10:00:00.000Z	27 \| good	5.022 \| good	22.738 \| good	27.312 \| good	0.224 \| good	1.046 \| good	0.239 \| good
2026-06-12T11:00:00.000Z	27 \| good	4.575 \| good	19.528 \| good	26.6 \| good	0.331 \| good	1.098 \| good	0.231 \| good
2026-06-12T12:00:00.000Z	23 \| good	4.374 \| good	19.241 \| good	25.176 \| good	0.35 \| good	1.02 \| good	0.231 \| good
2026-06-12T13:00:00.000Z	23 \| good	4.368 \| good	19.193 \| good	24.758 \| good	0.537 \| good	1.569 \| good	0.244 \| good
2026-06-12T14:00:00.000Z	22 \| good	3.688 \| good	18.987 \| good	18.92 \| good	0.388 \| good	5.916 \| good	0.255 \| good
2026-06-12T15:00:00.000Z	33 \| good	5.66 \| good	24.899 \| good	18.732 \| good	0.477 \| good	6.36 \| good	0.332 \| good
2026-06-12T16:00:00.000Z	27 \| good	5.37 \| good	23.898 \| good	19.197 \| good	0.522 \| good	6.555 \| good	0.339 \| good
2026-06-12T17:00:00.000Z	27 \| good	4.764 \| good	21.348 \| good	21.592 \| good	0.686 \| good	5.671 \| good	0.287 \| good
2026-06-12T18:00:00.000Z	22 \| good	4.21 \| good	18.735 \| good	24.389 \| good	0.471 \| good	5.859 \| good	0.278 \| good
2026-06-12T19:00:00.000Z	25 \| good	4.288 \| good	19.034 \| good	27.487 \| good	0.471 \| good	5.847 \| good	0.278 \| good
2026-06-12T20:00:00.000Z	30 \| good	5.196 \| good	22.791 \| good	31.683 \| good	0.589 \| good	3.544 \| good	0.269 \| good
2026-06-12T21:00:00.000Z	32 \| good	4.792 \| good	21.358 \| good	34.677 \| good	0.578 \| good	3.578 \| good	0.269 \| good
2026-06-12T22:00:00.000Z	33 \| good	4.878 \| good	21.292 \| good	35.687 \| good	0.348 \| good	3.155 \| good	0.255 \| good
2026-06-12T23:00:00.000Z	32 \| good	5.016 \| good	22.421 \| good	34.953 \| good	0.306 \| good	2.668 \| good	0.258 \| good
2026-06-13T00:00:00.000Z	32 \| good	3.732 \| good	16.615 \| good	34.609 \| good	0.347 \| good	2.569 \| good	0.255 \| good
2026-06-13T01:00:00.000Z	32 \| good	3.504 \| good	14.622 \| good	34.997 \| good	0.334 \| good	2.834 \| good	0.255 \| good
2026-06-13T02:00:00.000Z	31 \| good	3.477 \| good	14.441 \| good	33.567 \| good	0.325 \| good	3.066 \| good	0.255 \| good
2026-06-13T03:00:00.000Z	29 \| good	3.133 \| good	12.977 \| good	31.189 \| good	0.295 \| good	4.07 \| good	0.255 \| good
2026-06-13T04:00:00.000Z	29 \| good	3.739 \| good	16.458 \| good	31.104 \| good	0.313 \| good	3.768 \| good	0.249 \| good
2026-06-13T05:00:00.000Z	28 \| good	3.036 \| good	13.021 \| good	29.577 \| good	0.411 \| good	3.045 \| good	0.246 \| good
2026-06-13T06:00:00.000Z	26 \| good	3.024 \| good	13.021 \| good	27.515 \| good	0.384 \| good	3.164 \| good	0.246 \| good
2026-06-13T07:00:00.000Z	24 \| good	1.54 \| good	6.365 \| good	25.737 \| good	0.293 \| good	2.618 \| good	0.259 \| good
2026-06-13T08:00:00.000Z	23 \| good	1.838 \| good	7.928 \| good	25.144 \| good	0.381 \| good	1.883 \| good	0.244 \| good
2026-06-13T09:00:00.000Z	23 \| good	1.598 \| good	6.878 \| good	24.523 \| good	0.401 \| good	1.677 \| good	0.218 \| good
2026-06-13T09:00:00.000Z	38 \| good	7.137 \| good	31.988 \| good	26.756 \| good	0.442 \| good	5.653 \| good	0.106 \| good
2026-06-13T10:00:00.000Z	38 \| good	7.085 \| good	31.016 \| good	26.865 \| good	0.456 \| good	5.165 \| good	0.104 \| good
2026-06-13T11:00:00.000Z	38 \| good	7.493 \| good	33.007 \| good	23.735 \| good	0.494 \| good	4.637 \| good	0.102 \| good
2026-06-13T12:00:00.000Z	52 \| moderate	9.84 \| good	43.994 \| good	34.051 \| good	0.499 \| good	4.232 \| good	0.101 \| good
2026-06-13T13:00:00.000Z	44 \| good	8.297 \| good	36.029 \| good	30.472 \| good	0.461 \| good	3.948 \| good	0.101 \| good
2026-06-13T14:00:00.000Z	54 \| moderate	10.557 \| good	46.991 \| good	29.46 \| good	0.496 \| good	3.485 \| good	0.101 \| good
2026-06-13T15:00:00.000Z	58 \| moderate	13.283 \| fine	59.027 \| fine	25.776 \| good	0.56 \| good	3.112 \| good	0.1 \| good
2026-06-13T16:00:00.000Z	58 \| moderate	12.862 \| fine	57.06 \| fine	23.1 \| good	0.618 \| good	2.865 \| good	0.102 \| good
2026-06-13T17:00:00.000Z	58 \| moderate	13.444 \| fine	60.989 \| fine	27.463 \| good	0.632 \| good	2.703 \| good	0.103 \| good
2026-06-13T18:00:00.000Z	58 \| moderate	12.705 \| fine	57.01 \| fine	32.437 \| good	0.676 \| good	2.306 \| good	0.104 \| good
2026-06-13T19:00:00.000Z	54 \| moderate	10.963 \| good	48.013 \| good	34.52 \| good	0.692 \| good	1.814 \| good	0.102 \| good
2026-06-13T20:00:00.000Z	52 \| moderate	10.062 \| good	44.954 \| good	35.659 \| good	0.698 \| good	1.438 \| good	0.099 \| good
2026-06-13T21:00:00.000Z	49 \| good	9.139 \| good	40.954 \| good	36.294 \| good	0.684 \| good	1.22 \| good	0.095 \| good
2026-06-13T22:00:00.000Z	49 \| good	9.441 \| good	41.989 \| good	37.75 \| good	0.658 \| good	1.146 \| good	0.092 \| good
2026-06-13T23:00:00.000Z	49 \| good	8.779 \| good	38.031 \| good	36.283 \| good	0.622 \| good	1.146 \| good	0.09 \| good
2026-06-14T00:00:00.000Z	49 \| good	9.209 \| good	40.976 \| good	31.964 \| good	0.58 \| good	1.285 \| good	0.089 \| good
2026-06-14T01:00:00.000Z	49 \| good	8.978 \| good	39.027 \| good	30.15 \| good	0.557 \| good	1.501 \| good	0.088 \| good
2026-06-14T02:00:00.000Z	52 \| moderate	9.551 \| good	42.99 \| good	27.939 \| good	0.534 \| good	1.922 \| good	0.088 \| good
2026-06-14T03:00:00.000Z	54 \| moderate	10.702 \| good	47.966 \| good	28.231 \| good	0.514 \| good	2.469 \| good	0.089 \| good
2026-06-14T04:00:00.000Z	52 \| moderate	9.703 \| good	43.026 \| good	28.212 \| good	0.494 \| good	3.095 \| good	0.09 \| good
2026-06-14T05:00:00.000Z	52 \| moderate	9.523 \| good	42.984 \| good	28.629 \| good	0.498 \| good	3.604 \| good	0.092 \| good
2026-06-14T06:00:00.000Z	52 \| moderate	9.603 \| good	42.989 \| good	28.775 \| good	0.524 \| good	3.871 \| good	0.092 \| good
2026-06-14T07:00:00.000Z	49 \| good	8.646 \| good	38.027 \| good	29.173 \| good	0.54 \| good	3.941 \| good	0.092 \| good
2026-06-14T08:00:00.000Z	44 \| good	7.525 \| good	33.031 \| good	26.75 \| good	0.54 \| good	3.623 \| good	0.092 \| good
2026-06-14T09:00:00.000Z	38 \| good	7.364 \| good	32.043 \| good	26.139 \| good	0.526 \| good	3.204 \| good	0.091 \| good
2026-06-14T10:00:00.000Z	38 \| good	7.362 \| good	32.034 \| good	24.532 \| good	0.515 \| good	2.733 \| good	0.089 \| good
2026-06-14T11:00:00.000Z	44 \| good	7.604 \| good	33.986 \| good	23.605 \| good	0.502 \| good	2.45 \| good	0.088 \| good
2026-06-14T12:00:00.000Z	49 \| good	8.762 \| good	38.051 \| good	28.843 \| good	0.458 \| good	2.535 \| good	0.088 \| good
2026-06-14T13:00:00.000Z	38 \| good	6.905 \| good	30.994 \| good	23.006 \| good	0.409 \| good	2.642 \| good	0.088 \| good
2026-06-14T14:00:00.000Z	49 \| good	9.141 \| good	40.971 \| good	23.102 \| good	0.466 \| good	2.387 \| good	0.087 \| good
2026-06-14T15:00:00.000Z	56 \| moderate	11.828 \| good	52.038 \| good	23.243 \| good	0.476 \| good	2.34 \| good	0.088 \| good
2026-06-14T16:00:00.000Z	56 \| moderate	11.82 \| good	52.038 \| good	24.578 \| good	0.504 \| good	2.289 \| good	0.089 \| good
2026-06-14T17:00:00.000Z	58 \| moderate	13.041 \| fine	59.007 \| fine	27.772 \| good	0.535 \| good	2.019 \| good	0.089 \| good
2026-06-14T18:00:00.000Z	56 \| moderate	11.906 \| good	53.963 \| good	29.093 \| good	0.563 \| good	1.605 \| good	0.089 \| good
2026-06-14T19:00:00.000Z	52 \| moderate	9.644 \| good	42.99 \| good	27.682 \| good	0.563 \| good	1.253 \| good	0.088 \| good
2026-06-14T20:00:00.000Z	44 \| good	8.278 \| good	36.028 \| good	27.375 \| good	0.548 \| good	0.992 \| good	0.087 \| good
2026-06-14T21:00:00.000Z	38 \| good	7.198 \| good	31.992 \| good	27.095 \| good	0.518 \| good	0.831 \| good	0.086 \| good
2026-06-14T22:00:00.000Z	44 \| good	7.896 \| good	34.966 \| good	29.688 \| good	0.495 \| good	0.772 \| good	0.085 \| good
2026-06-14T23:00:00.000Z	44 \| good	7.825 \| good	34.012 \| good	30.291 \| good	0.477 \| good	0.782 \| good	0.084 \| good
2026-06-15T00:00:00.000Z	49 \| good	8.565 \| good	37.016 \| good	27.952 \| good	0.46 \| good	0.878 \| good	0.084 \| good
2026-06-15T01:00:00.000Z	52 \| moderate	9.655 \| good	42.976 \| good	27.751 \| good	0.467 \| good	1.226 \| good	0.086 \| good
2026-06-15T02:00:00.000Z	52 \| moderate	10.438 \| good	45.999 \| good	25.999 \| good	0.465 \| good	1.705 \| good	0.087 \| good
2026-06-15T03:00:00.000Z	54 \| moderate	10.642 \| good	47.002 \| good	26.61 \| good	0.459 \| good	2.389 \| good	0.088 \| good
2026-06-15T04:00:00.000Z	52 \| moderate	9.641 \| good	43.006 \| good	27 \| good	0.47 \| good	3.023 \| good	0.09 \| good
2026-06-15T05:00:00.000Z	52 \| moderate	9.557 \| good	42.996 \| good	27.053 \| good	0.449 \| good	3.962 \| good	0.093 \| good
2026-06-15T06:00:00.000Z	62 \| moderate	15.284 \| fine	21.999 \| good	25.444 \| good	0.441 \| good	4.667 \| good	0.095 \| good
2026-06-15T07:00:00.000Z	49 \| good	8.903 \| good	39.038 \| good	26.42 \| good	0.414 \| good	4.795 \| good	0.095 \| good
2026-06-15T08:00:00.000Z	44 \| good	8.285 \| good	36.022 \| good	25.485 \| good	0.435 \| good	3.911 \| good	0.092 \| good

Larkspur, California live air quality index now

Major air pollutants in Larkspur, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Air quality in nearby cities

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San Anselmo, California

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Richmond, California

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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 current concentration of PM_2.5 in Larkspur, California?

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What is the current concentration of nitrogen dioxide (NO₂) in Larkspur, California?