What is the current level of PM10 in San Ramon, California?

San Ramon, California currently has a PM10 concentration of 40.607 μg/m3.

What is the current level of sulfur dioxide (SO2) in San Ramon, California?

The current sulfur dioxide (SO2) concentration in San Ramon, California is 0.652 ppb.

What is the current level of ozone (O3) in San Ramon, California?

San Ramon, California currently has an ozone (O3) concentration of 36.277 ppm.

What is the current level of nitrogen dioxide (NO2) in San Ramon, California?

The current level of nitrogen dioxide (NO2) in San Ramon, California is 5.759 ppb.

Current air quality index in San Ramon, California today

Q: What is the PM2.5 concentration in San Ramon, California right now?

San Ramon, California currently has a PM2.5 concentration of 9.16 μg/m3.

Stay updated with real-time air quality in San Ramon, 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

San Ramon, California

Last updated: ... (Local time)

Common air pollutants in San Ramon, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

9.16 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

40.61 μg/m³

155

255

425

605+

Ozone (O₃)

36.28 ppb

201

201+

Sulfur Dioxide (SO₂)

0.65 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.76 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.28 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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San Ramon, California

Scroll To Air Quality Map

Track live San Ramon, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-08T03:00:00.000Z	38 \| good	7.243 \| good	31.959 \| good	29.598 \| good	1.085 \| good	25.459 \| good	0.285 \| good
2026-03-08T04:00:00.000Z	28 \| good	3.912 \| good	15.418 \| good	30.407 \| good	0.33 \| good	13.51 \| good	0.427 \| good
2026-03-08T05:00:00.000Z	23 \| good	3.652 \| good	16.794 \| good	24.502 \| good	0.428 \| good	17.24 \| good	0.519 \| good
2026-03-08T06:00:00.000Z	22 \| good	4.167 \| good	17.23 \| good	21.396 \| good	0.463 \| good	8.048 \| good	0.446 \| good
2026-03-08T07:00:00.000Z	22 \| good	4.294 \| good	18.733 \| good	22.637 \| good	0.395 \| good	12.49 \| good	0.485 \| good
2026-03-08T08:00:00.000Z	27 \| good	5.407 \| good	26.653 \| good	13.94 \| good	0.416 \| good	10.832 \| good	0.55 \| good
2026-03-08T09:00:00.000Z	33 \| good	5.699 \| good	31.548 \| good	19.854 \| good	0.435 \| good	12.283 \| good	0.55 \| good
2026-03-08T10:00:00.000Z	44 \| good	8.306 \| good	36.652 \| good	20.737 \| good	0.34 \| good	7.39 \| good	0.226 \| good
2026-03-08T11:00:00.000Z	44 \| good	7.565 \| good	15.919 \| good	19.494 \| good	0.371 \| good	12.246 \| good	0.2 \| good
2026-03-08T12:00:00.000Z	49 \| good	8.544 \| good	31.57 \| good	21.462 \| good	0.155 \| good	10.115 \| good	0.544 \| good
2026-03-08T13:00:00.000Z	22 \| good	3.887 \| good	17.388 \| good	20.487 \| good	0.473 \| good	9.069 \| good	0.421 \| good
2026-03-08T14:00:00.000Z	22 \| good	3.654 \| good	15.166 \| good	12.435 \| good	0.499 \| good	8.557 \| good	0.477 \| good
2026-03-08T15:00:00.000Z	22 \| good	3.978 \| good	19.199 \| good	14.29 \| good	0.531 \| good	8.189 \| good	0.487 \| good
2026-03-08T16:00:00.000Z	33 \| good	6.299 \| good	25.571 \| good	13.618 \| good	0.412 \| good	8.353 \| good	0.425 \| good
2026-03-08T17:00:00.000Z	33 \| good	5.688 \| good	24.625 \| good	25.21 \| good	0.342 \| good	6.254 \| good	0.459 \| good
2026-03-08T18:00:00.000Z	33 \| good	5.51 \| good	19.555 \| good	28.581 \| good	0.527 \| good	5.659 \| good	0.442 \| good
2026-03-08T19:00:00.000Z	38 \| good	6.773 \| good	28.147 \| good	26.8 \| good	0.649 \| good	6.271 \| good	0.404 \| good
2026-03-08T20:00:00.000Z	33 \| good	5.892 \| good	15.563 \| good	29.396 \| good	0.927 \| good	5.635 \| good	0.387 \| good
2026-03-08T21:00:00.000Z	33 \| good	5.763 \| good	17.705 \| good	30.411 \| good	0.997 \| good	5.366 \| good	0.376 \| good
2026-03-08T22:00:00.000Z	35 \| good	6.25 \| good	18.868 \| good	38.267 \| good	0.874 \| good	4.038 \| good	0.332 \| good
2026-03-08T23:00:00.000Z	38 \| good	4.585 \| good	15.599 \| good	40.969 \| good	0.59 \| good	2.837 \| good	0.326 \| good
2026-03-09T00:00:00.000Z	37 \| good	5.509 \| good	27.662 \| good	39.756 \| good	0.437 \| good	2.114 \| good	0.326 \| good
2026-03-09T01:00:00.000Z	35 \| good	5.087 \| good	22.546 \| good	37.541 \| good	0.451 \| good	6.045 \| good	0.354 \| good
2026-03-09T02:00:00.000Z	35 \| good	4.345 \| good	12.229 \| good	37.99 \| good	0.53 \| good	4.966 \| good	0.343 \| good
2026-03-09T03:00:00.000Z	49 \| good	8.674 \| good	38.145 \| good	33.592 \| good	2.404 \| good	27.219 \| good	0.314 \| good
2026-03-09T04:00:00.000Z	33 \| good	5.374 \| good	16.87 \| good	36.294 \| good	0.47 \| good	9.456 \| good	0.403 \| good
2026-03-09T05:00:00.000Z	44 \| good	7.624 \| good	20.477 \| good	37.306 \| good	0.39 \| good	8.86 \| good	0.343 \| good
2026-03-09T06:00:00.000Z	49 \| good	8.725 \| good	35.105 \| good	38.7 \| good	0.45 \| good	7.526 \| good	0.326 \| good
2026-03-09T07:00:00.000Z	44 \| good	7.853 \| good	40.217 \| good	24.971 \| good	0.481 \| good	8.057 \| good	0.343 \| good
2026-03-09T08:00:00.000Z	33 \| good	6.491 \| good	27.084 \| good	21.001 \| good	0.443 \| good	5.688 \| good	0.299 \| good
2026-03-09T09:00:00.000Z	56 \| moderate	11.646 \| good	48.418 \| good	26.581 \| good	0.423 \| good	4.83 \| good	0.271 \| good
2026-03-09T10:00:00.000Z	52 \| moderate	9.942 \| good	42.641 \| good	21.976 \| good	0.393 \| good	6.36 \| good	0.338 \| good
2026-03-09T11:00:00.000Z	44 \| good	8.241 \| good	39.764 \| good	16.238 \| good	0.537 \| good	6.878 \| good	0.276 \| good
2026-03-09T12:00:00.000Z	60 \| moderate	13.74 \| fine	67.952 \| fine	20.121 \| good	0.5 \| good	6.747 \| good	0.297 \| good
2026-03-09T13:00:00.000Z	44 \| good	8.272 \| good	38.06 \| good	17.306 \| good	0.455 \| good	8.639 \| good	0.391 \| good
2026-03-09T14:00:00.000Z	38 \| good	7.382 \| good	31.732 \| good	12.567 \| good	0.528 \| good	12.29 \| good	0.43 \| good
2026-03-09T15:00:00.000Z	52 \| moderate	9.783 \| good	51.087 \| good	10.286 \| good	0.532 \| good	13.959 \| good	0.429 \| good
2026-03-09T16:00:00.000Z	44 \| good	8.437 \| good	30.095 \| good	11.043 \| good	0.662 \| good	15.101 \| good	0.503 \| good
2026-03-09T17:00:00.000Z	38 \| good	7.408 \| good	39.44 \| good	16.043 \| good	0.709 \| good	13.005 \| good	0.526 \| good
2026-03-09T18:00:00.000Z	33 \| good	5.726 \| good	18.097 \| good	21.886 \| good	0.76 \| good	8.254 \| good	0.426 \| good
2026-03-09T19:00:00.000Z	44 \| good	8.014 \| good	24.996 \| good	22.164 \| good	0.671 \| good	6.796 \| good	0.377 \| good
2026-03-09T20:00:00.000Z	38 \| good	7.047 \| good	27.902 \| good	22.56 \| good	0.819 \| good	7.558 \| good	0.288 \| good
2026-03-09T21:00:00.000Z	38 \| good	7.264 \| good	23.86 \| good	33.097 \| good	0.729 \| good	7.654 \| good	0.305 \| good
2026-03-09T22:00:00.000Z	49 \| good	9.311 \| good	22.031 \| good	31.801 \| good	0.829 \| good	7.886 \| good	0.316 \| good
2026-03-09T23:00:00.000Z	49 \| good	9.245 \| good	35.659 \| good	39.625 \| good	0.98 \| good	5.045 \| good	0.288 \| good
2026-03-10T00:00:00.000Z	54 \| moderate	11.075 \| good	46.186 \| good	36.042 \| good	0.642 \| good	4.289 \| good	0.261 \| good
2026-03-10T01:00:00.000Z	49 \| good	9.396 \| good	30.057 \| good	36.304 \| good	0.62 \| good	4.224 \| good	0.261 \| good
2026-03-10T02:00:00.000Z	49 \| good	9.16 \| good	40.607 \| good	36.277 \| good	0.652 \| good	5.759 \| good	0.282 \| good
2026-03-10T03:00:00.000Z	52 \| moderate	9.607 \| good	42.904 \| good	27.251 \| good	1.578 \| good	16.036 \| good	0.208 \| good
2026-03-10T04:00:00.000Z	49 \| good	8.789 \| good	38.892 \| good	24.257 \| good	1.51 \| good	18.022 \| good	0.215 \| good
2026-03-10T05:00:00.000Z	44 \| good	8.203 \| good	35.746 \| good	23.519 \| good	1.441 \| good	20.008 \| good	0.221 \| good
2026-03-10T06:00:00.000Z	44 \| good	7.577 \| good	33.077 \| good	24.661 \| good	1.372 \| good	21.994 \| good	0.228 \| good
2026-03-10T07:00:00.000Z	31 \| good	3.418 \| good	14.587 \| good	33.059 \| good	1.27 \| good	20.42 \| good	0.222 \| good
2026-03-10T08:00:00.000Z	31 \| good	2.598 \| good	10.702 \| good	33.012 \| good	1.169 \| good	18.846 \| good	0.215 \| good
2026-03-10T09:00:00.000Z	29 \| good	3.782 \| good	16.354 \| good	31.151 \| good	1.067 \| good	17.272 \| good	0.209 \| good
2026-03-10T10:00:00.000Z	38 \| good	6.956 \| good	30.685 \| good	27.482 \| good	1.018 \| good	15.481 \| good	0.2 \| good
2026-03-10T11:00:00.000Z	49 \| good	8.633 \| good	38.107 \| good	27.666 \| good	0.968 \| good	13.69 \| good	0.192 \| good
2026-03-10T12:00:00.000Z	44 \| good	8.339 \| good	36.65 \| good	26.802 \| good	0.919 \| good	11.899 \| good	0.183 \| good
2026-03-10T13:00:00.000Z	44 \| good	8.016 \| good	35.179 \| good	27.48 \| good	0.938 \| good	12.214 \| good	0.188 \| good
2026-03-10T14:00:00.000Z	44 \| good	8.209 \| good	36.109 \| good	27.703 \| good	0.958 \| good	12.529 \| good	0.193 \| good
2026-03-10T15:00:00.000Z	27 \| good	4.893 \| good	21.259 \| good	29.179 \| good	0.977 \| good	12.845 \| good	0.198 \| good
2026-03-10T16:00:00.000Z	31 \| good	5.175 \| good	22.255 \| good	33.397 \| good	1.093 \| good	10.417 \| good	0.188 \| good
2026-03-10T17:00:00.000Z	38 \| good	6.646 \| good	29.435 \| good	36.193 \| good	1.21 \| good	7.99 \| good	0.177 \| good
2026-03-10T18:00:00.000Z	49 \| good	8.52 \| good	37.212 \| good	37.166 \| good	1.326 \| good	5.562 \| good	0.167 \| good
2026-03-10T19:00:00.000Z	44 \| good	7.989 \| good	35.066 \| good	39.235 \| good	1.379 \| good	5.156 \| good	0.164 \| good
2026-03-10T20:00:00.000Z	38 \| good	6.416 \| good	28.46 \| good	41.437 \| good	1.432 \| good	4.75 \| good	0.162 \| good
2026-03-10T21:00:00.000Z	40 \| good	6.099 \| good	26.867 \| good	43.476 \| good	1.485 \| good	4.343 \| good	0.159 \| good
2026-03-10T22:00:00.000Z	41 \| good	6.267 \| good	27.97 \| good	44.002 \| good	1.453 \| good	4.369 \| good	0.158 \| good
2026-03-10T23:00:00.000Z	40 \| good	6.457 \| good	28.726 \| good	43.493 \| good	1.422 \| good	4.394 \| good	0.158 \| good
2026-03-11T00:00:00.000Z	38 \| good	5.822 \| good	25.287 \| good	41.265 \| good	1.391 \| good	4.419 \| good	0.157 \| good
2026-03-11T01:00:00.000Z	38 \| good	7.299 \| good	32.404 \| good	36.951 \| good	1.359 \| good	8.737 \| good	0.179 \| good
2026-03-11T02:00:00.000Z	54 \| moderate	11.189 \| good	49.465 \| good	31.313 \| good	1.328 \| good	13.055 \| good	0.202 \| good
2026-03-11T03:00:00.000Z	54 \| moderate	10.559 \| good	46.869 \| good	27.568 \| good	1.297 \| good	17.373 \| good	0.224 \| good
2026-03-11T04:00:00.000Z	54 \| moderate	10.977 \| good	48.663 \| good	24.628 \| good	1.31 \| good	19.47 \| good	0.245 \| good
2026-03-11T05:00:00.000Z	54 \| moderate	10.665 \| good	47.171 \| good	23.218 \| good	1.323 \| good	21.566 \| good	0.266 \| good
2026-03-11T06:00:00.000Z	60 \| moderate	13.875 \| fine	16.649 \| good	9.261 \| good	1.334 \| good	23.59 \| good	0.286 \| good
2026-03-11T07:00:00.000Z	52 \| moderate	10.089 \| good	44.689 \| good	21.41 \| good	1.291 \| good	23.749 \| good	0.293 \| good
2026-03-11T08:00:00.000Z	38 \| good	6.638 \| good	29.351 \| good	22.378 \| good	1.246 \| good	23.835 \| good	0.299 \| good
2026-03-11T09:00:00.000Z	38 \| good	6.513 \| good	28.903 \| good	21.492 \| good	1.202 \| good	23.921 \| good	0.305 \| good
2026-03-11T10:00:00.000Z	44 \| good	8.386 \| good	36.564 \| good	22.372 \| good	1.175 \| good	23.209 \| good	0.299 \| good
2026-03-11T11:00:00.000Z	44 \| good	8.037 \| good	35.228 \| good	22.178 \| good	1.149 \| good	22.497 \| good	0.293 \| good
2026-03-11T12:00:00.000Z	62 \| moderate	15.403 \| fine	16.798 \| good	6.526 \| good	1.121 \| good	21.692 \| good	0.286 \| good
2026-03-11T13:00:00.000Z	62 \| moderate	15.23 \| fine	16.576 \| good	7.013 \| good	1.191 \| good	20.625 \| good	0.296 \| good
2026-03-11T14:00:00.000Z	64 \| moderate	15.616 \| fine	16.971 \| good	7.5 \| good	1.261 \| good	19.559 \| good	0.307 \| good
2026-03-11T15:00:00.000Z	66 \| moderate	17.395 \| fine	18.715 \| good	7.987 \| good	1.331 \| good	18.492 \| good	0.318 \| good
2026-03-11T16:00:00.000Z	64 \| moderate	16.174 \| fine	17.387 \| good	14.632 \| good	1.506 \| good	15.563 \| good	0.284 \| good
2026-03-11T17:00:00.000Z	38 \| good	6.879 \| good	30.275 \| good	35.426 \| good	1.692 \| good	12.717 \| good	0.251 \| good
2026-03-11T18:00:00.000Z	52 \| moderate	9.571 \| good	11.236 \| good	27.924 \| good	1.855 \| good	9.707 \| good	0.215 \| good
2026-03-11T19:00:00.000Z	44 \| good	7.545 \| good	11.019 \| good	33.507 \| good	1.608 \| good	7.79 \| good	0.197 \| good
2026-03-11T20:00:00.000Z	36 \| good	6.499 \| good	10.445 \| good	39.09 \| good	1.361 \| good	5.873 \| good	0.179 \| good
2026-03-11T21:00:00.000Z	42 \| good	5.944 \| good	10.01 \| good	44.674 \| good	1.114 \| good	3.956 \| good	0.161 \| good
2026-03-11T22:00:00.000Z	42 \| good	5.846 \| good	10.022 \| good	45.444 \| good	1.099 \| good	3.878 \| good	0.159 \| good
2026-03-11T23:00:00.000Z	43 \| good	5.895 \| good	9.978 \| good	46.214 \| good	1.084 \| good	3.801 \| good	0.158 \| good
2026-03-12T00:00:00.000Z	44 \| good	6.207 \| good	10.251 \| good	46.984 \| good	1.069 \| good	3.724 \| good	0.156 \| good
2026-03-12T01:00:00.000Z	38 \| good	7.055 \| good	11.083 \| good	37.221 \| good	1.189 \| good	9.885 \| good	0.195 \| good
2026-03-12T02:00:00.000Z	49 \| good	9.279 \| good	12.819 \| good	27.458 \| good	1.308 \| good	16.047 \| good	0.233 \| good

San Ramon

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near San Ramon, California

0.27ppm

How accurate is California, USA air quality data?

The air quality data for California, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

Source: Ambee Data Sources

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Frequently asked questions

How frequently does the air quality data for San Ramon, California get updated?

Air quality updates for San Ramon, California are available every hour.

What time in the past 24 hours saw the poorest air quality in San Ramon, California?

San Ramon, California experienced its worst air quality at 12:00:00, 2026-03-09.

When was air quality in San Ramon, California the best over the past 24 hours?

The best air quality in San Ramon, California was observed at 06:00:00 on 2026-03-09.

What is the air quality in San Ramon, California right now?

The air quality in San Ramon, California right now is Good, with an AQI of 49.

What pollutant is most frequently found in San Ramon, California?

In San Ramon, California, PM2.5 is the most frequently found pollutant.

What can I do if the air quality in San Ramon, California is poor?

When air quality in San Ramon, California is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in San Ramon, California right now?

San Ramon, California currently has a PM_2.5 concentration of 9.16 μg/m³.

What is the current level of PM₁₀ in San Ramon, California?

San Ramon, California currently has a PM₁₀ concentration of 40.607 μg/m³.

What is the current level of carbon monoxide (CO) in San Ramon, California?

The current carbon monoxide (CO) level in San Ramon, California is 0.282 ppm.

What is the current level of sulfur dioxide (SO₂) in San Ramon, California?

The current sulfur dioxide (SO₂) concentration in San Ramon, California is 0.652 ppb.

What is the current level of ozone (O₃) in San Ramon, California?

San Ramon, California currently has an ozone (O₃) concentration of 36.277 ppm.

What is the current level of nitrogen dioxide (NO₂) in San Ramon, California?

The current level of nitrogen dioxide (NO₂) in San Ramon, California is 5.759 ppb.

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