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

San Ramon, California currently has a PM10 concentration of 32.974 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 0.615 ppb.

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

San Ramon, California currently has an ozone (O3) concentration of 20.849 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 7.154 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 7.132 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)

4.07 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

17.57 μg/m³

155

255

425

605+

Ozone (O₃)

15.87 ppb

201

201+

Sulfur Dioxide (SO₂)

0.54 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

7.61 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.21 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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

Please contact us for custom requests

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
2026-03-12T14:00:00.000Z	19 \| good	3.228 \| good	12.056 \| good	20.451 \| good	0.606 \| good	15.261 \| good	0.353 \| good
2026-03-12T15:00:00.000Z	27 \| good	4.738 \| good	20.095 \| good	17.976 \| good	0.6 \| good	18.312 \| good	0.417 \| good
2026-03-12T16:00:00.000Z	27 \| good	5.425 \| good	23.532 \| good	15.206 \| good	0.569 \| good	17.755 \| good	0.495 \| good
2026-03-12T17:00:00.000Z	27 \| good	4.546 \| good	25.298 \| good	19.681 \| good	0.608 \| good	15.844 \| good	0.506 \| good
2026-03-12T18:00:00.000Z	27 \| good	5.103 \| good	23.055 \| good	18.792 \| good	0.648 \| good	13.468 \| good	0.406 \| good
2026-03-12T19:00:00.000Z	38 \| good	6.516 \| good	29.446 \| good	21.102 \| good	0.63 \| good	16.223 \| good	0.505 \| good
2026-03-12T20:00:00.000Z	38 \| good	6.909 \| good	29.902 \| good	22.834 \| good	0.645 \| good	14.489 \| good	0.443 \| good
2026-03-12T21:00:00.000Z	33 \| good	6.088 \| good	26.773 \| good	29.747 \| good	0.674 \| good	11.373 \| good	0.305 \| good
2026-03-12T22:00:00.000Z	33 \| good	6.266 \| good	28.625 \| good	35.079 \| good	0.854 \| good	13.203 \| good	0.437 \| good
2026-03-12T23:00:00.000Z	35 \| good	5.314 \| good	23.36 \| good	37.855 \| good	1.146 \| good	10.152 \| good	0.347 \| good
2026-03-13T00:00:00.000Z	36 \| good	5.57 \| good	24.924 \| good	38.928 \| good	1.354 \| good	9.586 \| good	0.345 \| good
2026-03-13T01:00:00.000Z	35 \| good	5.649 \| good	24.158 \| good	37.503 \| good	0.738 \| good	10.966 \| good	0.358 \| good
2026-03-13T02:00:00.000Z	36 \| good	6.216 \| good	26.685 \| good	39.163 \| good	0.673 \| good	7.93 \| good	0.275 \| good
2026-03-13T03:00:00.000Z	33 \| good	5.533 \| good	23.572 \| good	34.378 \| good	0.776 \| good	10.478 \| good	0.357 \| good
2026-03-13T04:00:00.000Z	33 \| good	5.636 \| good	24.53 \| good	33.53 \| good	0.797 \| good	15.932 \| good	0.424 \| good
2026-03-13T05:00:00.000Z	33 \| good	6.185 \| good	29.106 \| good	30.29 \| good	0.685 \| good	14.486 \| good	0.367 \| good
2026-03-13T06:00:00.000Z	38 \| good	7.168 \| good	30.902 \| good	25.956 \| good	0.629 \| good	10.488 \| good	0.35 \| good
2026-03-13T07:00:00.000Z	38 \| good	7.346 \| good	31.862 \| good	24.814 \| good	0.631 \| good	11.887 \| good	0.377 \| good
2026-03-13T08:00:00.000Z	38 \| good	6.805 \| good	29.423 \| good	28.138 \| good	0.636 \| good	11.59 \| good	0.377 \| good
2026-03-13T09:00:00.000Z	33 \| good	6.265 \| good	25.776 \| good	22.803 \| good	0.572 \| good	11.256 \| good	0.375 \| good
2026-03-13T10:00:00.000Z	27 \| good	5.448 \| good	21.677 \| good	24.263 \| good	0.506 \| good	9.157 \| good	0.309 \| good
2026-03-13T11:00:00.000Z	27 \| good	5.433 \| good	24.579 \| good	18.169 \| good	0.562 \| good	9.966 \| good	0.296 \| good
2026-03-13T12:00:00.000Z	27 \| good	5.278 \| good	22.416 \| good	20.512 \| good	0.557 \| good	9.745 \| good	0.294 \| good
2026-03-13T13:00:00.000Z	22 \| good	3.838 \| good	16.513 \| good	18.503 \| good	0.67 \| good	13.394 \| good	0.293 \| good
2026-03-13T14:00:00.000Z	27 \| good	5.488 \| good	22.745 \| good	19.732 \| good	0.544 \| good	16.087 \| good	0.328 \| good
2026-03-13T15:00:00.000Z	38 \| good	6.789 \| good	29.551 \| good	21.827 \| good	0.535 \| good	16.47 \| good	0.505 \| good
2026-03-13T16:00:00.000Z	38 \| good	6.712 \| good	28.813 \| good	16.082 \| good	0.584 \| good	18.96 \| good	0.573 \| good
2026-03-13T17:00:00.000Z	38 \| good	6.63 \| good	29.886 \| good	17.311 \| good	0.675 \| good	16.863 \| good	0.548 \| good
2026-03-13T18:00:00.000Z	38 \| good	6.635 \| good	26.857 \| good	19.271 \| good	0.663 \| good	14.689 \| good	0.446 \| good
2026-03-13T19:00:00.000Z	38 \| good	6.514 \| good	29.521 \| good	21.491 \| good	0.67 \| good	16.059 \| good	0.446 \| good
2026-03-13T20:00:00.000Z	33 \| good	6.323 \| good	27.023 \| good	26.965 \| good	0.658 \| good	10.241 \| good	0.367 \| good
2026-03-13T21:00:00.000Z	33 \| good	5.643 \| good	24.891 \| good	28.1 \| good	1.049 \| good	9.578 \| good	0.285 \| good
2026-03-13T22:00:00.000Z	33 \| good	5.77 \| good	24.831 \| good	33.466 \| good	0.982 \| good	8.321 \| good	0.293 \| good
2026-03-13T23:00:00.000Z	29 \| good	5.374 \| good	23.583 \| good	31.162 \| good	0.996 \| good	9.822 \| good	0.359 \| good
2026-03-14T00:00:00.000Z	44 \| good	7.574 \| good	33.182 \| good	31.603 \| good	1.022 \| good	8.815 \| good	0.36 \| good
2026-03-14T01:00:00.000Z	49 \| good	8.84 \| good	38.678 \| good	33.812 \| good	0.582 \| good	9.262 \| good	0.361 \| good
2026-03-14T02:00:00.000Z	44 \| good	8.084 \| good	36.205 \| good	34.931 \| good	0.641 \| good	8.314 \| good	0.282 \| good
2026-03-14T03:00:00.000Z	38 \| good	7.402 \| good	31.799 \| good	33.331 \| good	0.628 \| good	8.936 \| good	0.296 \| good
2026-03-14T04:00:00.000Z	33 \| good	6.193 \| good	26.587 \| good	32.067 \| good	0.696 \| good	11.47 \| good	0.364 \| good
2026-03-14T05:00:00.000Z	38 \| good	6.54 \| good	30.103 \| good	28.368 \| good	0.69 \| good	15.223 \| good	0.426 \| good
2026-03-14T06:00:00.000Z	38 \| good	7.273 \| good	31.374 \| good	23.199 \| good	0.757 \| good	9.787 \| good	0.347 \| good
2026-03-14T07:00:00.000Z	38 \| good	7.359 \| good	32.427 \| good	23.872 \| good	0.667 \| good	10.383 \| good	0.346 \| good
2026-03-14T08:00:00.000Z	38 \| good	7.132 \| good	32.974 \| good	20.849 \| good	0.615 \| good	7.154 \| good	0.313 \| good
2026-03-14T09:00:00.000Z	38 \| good	7.479 \| good	34.136 \| good	19.793 \| good	0.593 \| good	7.496 \| good	0.313 \| good
2026-03-14T10:00:00.000Z	44 \| good	7.916 \| good	32.246 \| good	20.761 \| good	0.41 \| good	8.206 \| good	0.222 \| good
2026-03-14T11:00:00.000Z	22 \| good	3.978 \| good	13.422 \| good	22.867 \| good	0.35 \| good	8.397 \| good	0.209 \| good
2026-03-14T12:00:00.000Z	27 \| good	5.487 \| good	22.764 \| good	26.654 \| good	0.171 \| good	8.396 \| good	0.251 \| good
2026-03-14T13:00:00.000Z	22 \| good	4.07 \| good	17.575 \| good	15.866 \| good	0.537 \| good	7.611 \| good	0.211 \| good
2026-03-14T13:00:00.000Z	22 \| good	4.07 \| good	17.575 \| good	15.866 \| good	0.537 \| good	7.611 \| good	0.211 \| good
2026-03-14T10:00:00.000Z	23 \| good	2.404 \| good	9.721 \| good	24.606 \| good	1.028 \| good	18.541 \| good	0.197 \| good
2026-03-14T11:00:00.000Z	22 \| good	2.441 \| good	9.915 \| good	24.293 \| good	0.925 \| good	16.393 \| good	0.183 \| good
2026-03-14T12:00:00.000Z	19 \| good	3.457 \| good	15.242 \| good	21.026 \| good	0.823 \| good	14.245 \| good	0.17 \| good
2026-03-14T13:00:00.000Z	20 \| good	3.368 \| good	14.692 \| good	21.565 \| good	0.807 \| good	13.118 \| good	0.168 \| good
2026-03-14T14:00:00.000Z	21 \| good	3.227 \| good	14.186 \| good	23.387 \| good	0.792 \| good	11.991 \| good	0.166 \| good
2026-03-14T15:00:00.000Z	24 \| good	2.511 \| good	10.272 \| good	25.78 \| good	0.776 \| good	10.864 \| good	0.164 \| good
2026-03-14T16:00:00.000Z	27 \| good	2.226 \| good	9.281 \| good	28.584 \| good	0.829 \| good	8.748 \| good	0.155 \| good
2026-03-14T17:00:00.000Z	29 \| good	3.61 \| good	15.965 \| good	30.669 \| good	0.883 \| good	6.633 \| good	0.146 \| good
2026-03-14T18:00:00.000Z	30 \| good	3.625 \| good	16 \| good	31.863 \| good	0.936 \| good	4.517 \| good	0.137 \| good
2026-03-14T19:00:00.000Z	31 \| good	3.659 \| good	16.053 \| good	33.161 \| good	1.015 \| good	4.222 \| good	0.138 \| good
2026-03-14T20:00:00.000Z	33 \| good	3.754 \| good	16.437 \| good	36.299 \| good	1.093 \| good	3.926 \| good	0.139 \| good
2026-03-14T21:00:00.000Z	36 \| good	2.627 \| good	10.52 \| good	39.346 \| good	1.172 \| good	3.631 \| good	0.14 \| good
2026-03-14T22:00:00.000Z	38 \| good	2.169 \| good	8.829 \| good	40.982 \| good	1.165 \| good	3.613 \| good	0.141 \| good
2026-03-14T23:00:00.000Z	38 \| good	3.338 \| good	14.168 \| good	41.15 \| good	1.158 \| good	3.595 \| good	0.142 \| good
2026-03-15T00:00:00.000Z	38 \| good	3.391 \| good	14.672 \| good	40.544 \| good	1.15 \| good	3.578 \| good	0.144 \| good
2026-03-15T01:00:00.000Z	33 \| good	3.152 \| good	13.462 \| good	35.95 \| good	1.197 \| good	8.281 \| good	0.166 \| good
2026-03-15T02:00:00.000Z	28 \| good	5.181 \| good	22.395 \| good	30.448 \| good	1.243 \| good	12.985 \| good	0.187 \| good
2026-03-15T03:00:00.000Z	33 \| good	5.553 \| good	24.01 \| good	25.018 \| good	1.29 \| good	17.688 \| good	0.209 \| good
2026-03-15T04:00:00.000Z	33 \| good	5.598 \| good	24.395 \| good	21.766 \| good	1.369 \| good	18.833 \| good	0.23 \| good
2026-03-15T05:00:00.000Z	33 \| good	5.762 \| good	25.423 \| good	20.003 \| good	1.448 \| good	19.978 \| good	0.251 \| good
2026-03-15T06:00:00.000Z	27 \| good	4.77 \| good	20.844 \| good	17.746 \| good	1.528 \| good	21.122 \| good	0.272 \| good
2026-03-15T07:00:00.000Z	22 \| good	4.411 \| good	19.022 \| good	17.983 \| good	1.501 \| good	20.48 \| good	0.279 \| good
2026-03-15T08:00:00.000Z	19 \| good	3.466 \| good	15.101 \| good	17.653 \| good	1.473 \| good	19.838 \| good	0.286 \| good
2026-03-15T09:00:00.000Z	22 \| good	4.496 \| good	19.551 \| good	19.105 \| good	1.446 \| good	19.196 \| good	0.294 \| good
2026-03-15T10:00:00.000Z	19 \| good	3.464 \| good	14.776 \| good	19.557 \| good	1.358 \| good	18.094 \| good	0.282 \| good
2026-03-15T11:00:00.000Z	19 \| good	3.05 \| good	12.891 \| good	19.915 \| good	1.271 \| good	16.992 \| good	0.27 \| good
2026-03-15T12:00:00.000Z	19 \| good	3.459 \| good	15.275 \| good	21.164 \| good	1.183 \| good	15.89 \| good	0.259 \| good
2026-03-15T13:00:00.000Z	21 \| good	2.581 \| good	10.613 \| good	22.555 \| good	1.297 \| good	15.533 \| good	0.256 \| good
2026-03-15T14:00:00.000Z	22 \| good	2.443 \| good	10.091 \| good	23.581 \| good	1.411 \| good	15.175 \| good	0.254 \| good
2026-03-15T15:00:00.000Z	21 \| good	3.362 \| good	14.732 \| good	23.431 \| good	1.526 \| good	14.818 \| good	0.251 \| good
2026-03-15T16:00:00.000Z	28 \| good	3.719 \| good	16.105 \| good	30.029 \| good	1.514 \| good	12.924 \| good	0.228 \| good
2026-03-15T17:00:00.000Z	37 \| good	4.763 \| good	20.907 \| good	39.927 \| good	1.502 \| good	11.03 \| good	0.206 \| good
2026-03-15T18:00:00.000Z	41 \| good	3.485 \| good	15.228 \| good	44.141 \| good	1.49 \| good	9.136 \| good	0.183 \| good
2026-03-15T19:00:00.000Z	44 \| good	3.958 \| good	17.505 \| good	48.254 \| good	1.301 \| good	7.495 \| good	0.171 \| good
2026-03-15T20:00:00.000Z	47 \| good	3.052 \| good	12.778 \| good	51.23 \| good	1.112 \| good	5.854 \| good	0.158 \| good
2026-03-15T21:00:00.000Z	49 \| good	2.168 \| good	8.769 \| good	53.08 \| good	0.923 \| good	4.214 \| good	0.145 \| good
2026-03-15T22:00:00.000Z	50 \| good	1.986 \| good	8.326 \| good	53.636 \| good	0.983 \| good	4.509 \| good	0.148 \| good
2026-03-15T23:00:00.000Z	48 \| good	3.151 \| good	13.824 \| good	51.611 \| good	1.044 \| good	4.805 \| good	0.15 \| good
2026-03-16T00:00:00.000Z	45 \| good	3.186 \| good	13.876 \| good	49.087 \| good	1.104 \| good	5.101 \| good	0.153 \| good
2026-03-16T01:00:00.000Z	42 \| good	4.158 \| good	18.146 \| good	45.229 \| good	1.304 \| good	12.21 \| good	0.21 \| good
2026-03-16T02:00:00.000Z	40 \| good	4.427 \| good	19.001 \| good	42.516 \| good	1.503 \| good	19.32 \| good	0.267 \| good
2026-03-16T03:00:00.000Z	38 \| good	4.375 \| good	19.169 \| good	41.35 \| good	1.703 \| good	26.429 \| good	0.324 \| good
2026-03-16T04:00:00.000Z	38 \| good	6.274 \| good	27.697 \| good	40.562 \| good	1.95 \| good	28.382 \| good	0.38 \| good
2026-03-16T05:00:00.000Z	38 \| good	7.086 \| good	31.173 \| good	39.881 \| good	2.198 \| good	30.335 \| good	0.437 \| good
2026-03-16T06:00:00.000Z	86 \| moderate	27.843 \| fine	29.915 \| good	5.866 \| good	2.435 \| good	32.107 \| good	0.49 \| good
2026-03-16T07:00:00.000Z	39 \| good	5.605 \| good	24.601 \| good	41.543 \| good	2.305 \| good	30.935 \| good	0.501 \| good
2026-03-16T08:00:00.000Z	37 \| good	3.648 \| good	15.977 \| good	40.434 \| good	2.165 \| good	29.582 \| good	0.509 \| good
2026-03-16T09:00:00.000Z	37 \| good	2.886 \| good	11.841 \| good	40.101 \| good	2.025 \| good	28.229 \| good	0.517 \| good

San Ramon

Empower business decisions with accurate air quality data

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

0.39ppm

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

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 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 01:00:00, 2026-03-14.

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 01:00:00 on 2026-03-13.

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 38.

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 7.132 μg/m³.

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

San Ramon, California currently has a PM₁₀ concentration of 32.974 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 0.313 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 0.615 ppb.

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

San Ramon, California currently has an ozone (O₃) concentration of 20.849 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 7.154 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions