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

San Ramon, California currently has a PM10 concentration of 20.508 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 0.55 ppb.

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

San Ramon, California currently has an ozone (O3) concentration of 33.824 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 6.599 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 4.65 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)

4.65 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

20.51 μg/m³

155

255

425

605+

Ozone (O₃)

33.82 ppb

201

201+

Sulfur Dioxide (SO₂)

0.55 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.60 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.28 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

San Ramon, California

Get Live Pollen Counts

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
2025-10-20T20:00:00.000Z	30 \| good	4.36 \| good	18.82 \| good	31.789 \| good	0.621 \| good	3.721 \| good	0.238 \| good
2025-10-20T21:00:00.000Z	30 \| good	3.462 \| good	15.093 \| good	32.022 \| good	0.595 \| good	2.457 \| good	0.225 \| good
2025-10-20T22:00:00.000Z	33 \| good	1.411 \| good	7.676 \| good	35.832 \| good	0.572 \| good	3.639 \| good	0.303 \| good
2025-10-20T23:00:00.000Z	34 \| good	6.148 \| good	25.227 \| good	36.737 \| good	0.554 \| good	3.265 \| good	0.303 \| good
2025-10-21T00:00:00.000Z	34 \| good	4.602 \| good	19.785 \| good	37.165 \| good	0.531 \| good	3.288 \| good	0.296 \| good
2025-10-21T01:00:00.000Z	34 \| good	2.803 \| good	11.913 \| good	36.56 \| good	0.549 \| good	3.812 \| good	0.226 \| good
2025-10-21T02:00:00.000Z	36 \| good	3.325 \| good	13.087 \| good	38.509 \| good	0.898 \| good	3.028 \| good	0.214 \| good
2025-10-21T03:00:00.000Z	33 \| good	6.133 \| good	27.315 \| good	21.091 \| good	1.381 \| good	34.231 \| good	0.392 \| good
2025-10-21T04:00:00.000Z	31 \| good	3.463 \| good	14.342 \| good	33.688 \| good	0.802 \| good	12.45 \| good	0.332 \| good
2025-10-21T05:00:00.000Z	38 \| good	7.02 \| good	30.768 \| good	33.503 \| good	0.77 \| good	17.132 \| good	0.52 \| good
2025-10-21T06:00:00.000Z	60 \| moderate	14.098 \| fine	60.249 \| fine	31.368 \| good	0.71 \| good	15.671 \| good	0.5 \| good
2025-10-21T07:00:00.000Z	58 \| moderate	13.274 \| fine	59.79 \| fine	29.1 \| good	0.686 \| good	13.224 \| good	0.414 \| good
2025-10-21T08:00:00.000Z	56 \| moderate	11.902 \| good	52.229 \| good	27.821 \| good	0.7 \| good	12.052 \| good	0.346 \| good
2025-10-21T09:00:00.000Z	54 \| moderate	10.686 \| good	43.24 \| good	26.172 \| good	0.721 \| good	10.795 \| good	0.399 \| good
2025-10-21T10:00:00.000Z	49 \| good	9.397 \| good	41.359 \| good	23.767 \| good	0.741 \| good	9.915 \| good	0.327 \| good
2025-10-21T11:00:00.000Z	49 \| good	8.719 \| good	36.642 \| good	33.502 \| good	0.724 \| good	11.624 \| good	0.394 \| good
2025-10-21T12:00:00.000Z	44 \| good	7.968 \| good	34.255 \| good	24.926 \| good	0.725 \| good	11.018 \| good	0.394 \| good
2025-10-21T13:00:00.000Z	38 \| good	7.48 \| good	32.238 \| good	22.82 \| good	0.781 \| good	12.502 \| good	0.391 \| good
2025-10-21T14:00:00.000Z	38 \| good	6.764 \| good	30.63 \| good	19.871 \| good	0.64 \| good	13.569 \| good	0.478 \| good
2025-10-21T15:00:00.000Z	38 \| good	7.277 \| good	28.899 \| good	25.801 \| good	0.746 \| good	15.246 \| good	0.577 \| good
2025-10-21T16:00:00.000Z	38 \| good	7.051 \| good	30.181 \| good	19.136 \| good	0.708 \| good	16.92 \| good	0.595 \| good
2025-10-21T17:00:00.000Z	38 \| good	7.396 \| good	33.129 \| good	21.976 \| good	0.817 \| good	17.256 \| good	0.629 \| good
2025-10-21T18:00:00.000Z	44 \| good	8.108 \| good	34.04 \| good	21.121 \| good	1.325 \| good	18.426 \| good	0.554 \| good
2025-10-21T19:00:00.000Z	49 \| good	8.935 \| good	39.889 \| good	23.821 \| good	1.507 \| good	15.261 \| good	0.485 \| good
2025-10-21T20:00:00.000Z	44 \| good	8.455 \| good	35.309 \| good	29.993 \| good	1.061 \| good	7.597 \| good	0.308 \| good
2025-10-21T21:00:00.000Z	38 \| good	7.217 \| good	32.718 \| good	34.654 \| good	1.084 \| good	9.122 \| good	0.372 \| good
2025-10-21T22:00:00.000Z	44 \| good	7.761 \| good	31.417 \| good	38.499 \| good	0.944 \| good	4.982 \| good	0.303 \| good
2025-10-21T23:00:00.000Z	38 \| good	6.745 \| good	29.768 \| good	40.174 \| good	0.79 \| good	3.615 \| good	0.237 \| good
2025-10-22T00:00:00.000Z	34 \| good	5.759 \| good	25.243 \| good	37.168 \| good	0.632 \| good	4.911 \| good	0.298 \| good
2025-10-22T01:00:00.000Z	37 \| good	5.838 \| good	24.761 \| good	40.455 \| good	0.674 \| good	8.685 \| good	0.385 \| good
2025-10-22T02:00:00.000Z	38 \| good	7.005 \| good	32.875 \| good	37.707 \| good	0.605 \| good	12.836 \| good	0.459 \| good
2025-10-22T03:00:00.000Z	62 \| moderate	15.145 \| fine	67.471 \| fine	28.837 \| good	2.02 \| good	29.835 \| good	0.341 \| good
2025-10-22T04:00:00.000Z	44 \| good	8.213 \| good	36.801 \| good	33.881 \| good	0.711 \| good	7.378 \| good	0.319 \| good
2025-10-22T05:00:00.000Z	52 \| moderate	9.947 \| good	43.598 \| good	36.284 \| good	0.638 \| good	5.626 \| good	0.305 \| good
2025-10-22T06:00:00.000Z	49 \| good	9.468 \| good	41.171 \| good	37.002 \| good	0.573 \| good	5.273 \| good	0.293 \| good
2025-10-22T07:00:00.000Z	52 \| moderate	10.073 \| good	46.493 \| good	35.86 \| good	0.563 \| good	4.751 \| good	0.224 \| good
2025-10-22T08:00:00.000Z	54 \| moderate	11.061 \| good	47.438 \| good	31.575 \| good	0.509 \| good	4.811 \| good	0.301 \| good
2025-10-22T09:00:00.000Z	52 \| moderate	10.26 \| good	47.737 \| good	31.129 \| good	0.519 \| good	3.545 \| good	0.217 \| good
2025-10-22T10:00:00.000Z	49 \| good	9.315 \| good	42.539 \| good	32.733 \| good	0.517 \| good	3.749 \| good	0.216 \| good
2025-10-22T11:00:00.000Z	52 \| moderate	9.536 \| good	41.763 \| good	31.391 \| good	0.523 \| good	3.685 \| good	0.212 \| good
2025-10-22T12:00:00.000Z	44 \| good	8.093 \| good	35.024 \| good	29.391 \| good	0.559 \| good	2.833 \| good	0.207 \| good
2025-10-22T13:00:00.000Z	38 \| good	7.17 \| good	37.018 \| good	29.245 \| good	0.473 \| good	4.679 \| good	0.213 \| good
2025-10-22T14:00:00.000Z	38 \| good	6.641 \| good	29.313 \| good	27.294 \| good	0.778 \| good	3.961 \| good	0.21 \| good
2025-10-22T15:00:00.000Z	38 \| good	6.761 \| good	29.272 \| good	31.71 \| good	0.724 \| good	3.515 \| good	0.221 \| good
2025-10-22T16:00:00.000Z	33 \| good	6.028 \| good	25.977 \| good	30.495 \| good	0.716 \| good	4.389 \| good	0.217 \| good
2025-10-22T17:00:00.000Z	33 \| good	6.115 \| good	27.301 \| good	29.117 \| good	0.959 \| good	4.047 \| good	0.301 \| good
2025-10-22T18:00:00.000Z	29 \| good	5.433 \| good	23.585 \| good	30.518 \| good	0.972 \| good	4.221 \| good	0.221 \| good
2025-10-22T19:00:00.000Z	31 \| good	4.65 \| good	20.508 \| good	33.824 \| good	0.55 \| good	6.599 \| good	0.283 \| good
2025-10-22T19:00:00.000Z	31 \| good	4.65 \| good	20.508 \| good	33.824 \| good	0.55 \| good	6.599 \| good	0.283 \| good
2025-10-22T20:00:00.000Z	32 \| good	3.998 \| good	17.322 \| good	34.687 \| good	0.711 \| good	2.674 \| good	0.131 \| good
2025-10-22T21:00:00.000Z	32 \| good	3.819 \| good	16.692 \| good	34.718 \| good	0.713 \| good	2.285 \| good	0.129 \| good
2025-10-22T22:00:00.000Z	32 \| good	2.787 \| good	11.632 \| good	35.11 \| good	0.742 \| good	2.537 \| good	0.129 \| good
2025-10-22T23:00:00.000Z	31 \| good	3.921 \| good	17.474 \| good	32.715 \| good	0.772 \| good	2.789 \| good	0.13 \| good
2025-10-23T00:00:00.000Z	30 \| good	4.005 \| good	17.471 \| good	31.9 \| good	0.801 \| good	3.041 \| good	0.131 \| good
2025-10-23T01:00:00.000Z	27 \| good	3.934 \| good	17.002 \| good	29.032 \| good	0.926 \| good	6.466 \| good	0.15 \| good
2025-10-23T02:00:00.000Z	24 \| good	4.133 \| good	18.28 \| good	26.261 \| good	1.051 \| good	9.891 \| good	0.169 \| good
2025-10-23T03:00:00.000Z	33 \| good	5.705 \| good	24.818 \| good	22.392 \| good	1.175 \| good	13.315 \| good	0.188 \| good
2025-10-23T04:00:00.000Z	33 \| good	6.161 \| good	27.536 \| good	21.121 \| good	1.199 \| good	15.253 \| good	0.199 \| good
2025-10-23T05:00:00.000Z	27 \| good	4.837 \| good	21.103 \| good	18.321 \| good	1.223 \| good	17.19 \| good	0.21 \| good
2025-10-23T06:00:00.000Z	22 \| good	4.311 \| good	18.83 \| good	16.925 \| good	1.247 \| good	19.127 \| good	0.22 \| good
2025-10-23T07:00:00.000Z	22 \| good	4.321 \| good	19.051 \| good	14.302 \| good	1.174 \| good	17.27 \| good	0.211 \| good
2025-10-23T08:00:00.000Z	16 \| good	3.181 \| good	13.777 \| good	14.671 \| good	1.1 \| good	15.413 \| good	0.202 \| good
2025-10-23T09:00:00.000Z	16 \| good	3.336 \| good	14.355 \| good	15.597 \| good	1.026 \| good	13.556 \| good	0.192 \| good
2025-10-23T10:00:00.000Z	16 \| good	2.914 \| good	11.894 \| good	14.553 \| good	0.938 \| good	11.575 \| good	0.182 \| good
2025-10-23T11:00:00.000Z	16 \| good	3.007 \| good	12.831 \| good	16.643 \| good	0.849 \| good	9.594 \| good	0.171 \| good
2025-10-23T12:00:00.000Z	18 \| good	3.211 \| good	13.916 \| good	19.186 \| good	0.76 \| good	7.613 \| good	0.161 \| good
2025-10-23T13:00:00.000Z	17 \| good	2.549 \| good	10.352 \| good	18.202 \| good	0.794 \| good	9.134 \| good	0.174 \| good
2025-10-23T14:00:00.000Z	16 \| good	3.3 \| good	14.372 \| good	15.409 \| good	0.827 \| good	10.654 \| good	0.187 \| good
2025-10-23T15:00:00.000Z	16 \| good	2.704 \| good	11.183 \| good	17.49 \| good	0.861 \| good	12.175 \| good	0.2 \| good
2025-10-23T16:00:00.000Z	17 \| good	3.299 \| good	14.512 \| good	17.748 \| good	0.966 \| good	9.765 \| good	0.186 \| good
2025-10-23T17:00:00.000Z	27 \| good	5.216 \| good	22.711 \| good	20.951 \| good	1.07 \| good	7.355 \| good	0.172 \| good
2025-10-23T18:00:00.000Z	33 \| good	5.697 \| good	24.956 \| good	25.949 \| good	1.175 \| good	4.944 \| good	0.158 \| good
2025-10-23T19:00:00.000Z	29 \| good	5.489 \| good	23.71 \| good	31.155 \| good	1.242 \| good	4.603 \| good	0.157 \| good
2025-10-23T20:00:00.000Z	32 \| good	5.297 \| good	22.821 \| good	35.015 \| good	1.309 \| good	4.261 \| good	0.155 \| good
2025-10-23T21:00:00.000Z	34 \| good	4.361 \| good	18.984 \| good	36.526 \| good	1.376 \| good	3.92 \| good	0.153 \| good
2025-10-23T22:00:00.000Z	37 \| good	3.66 \| good	15.803 \| good	39.585 \| good	1.421 \| good	4.287 \| good	0.154 \| good
2025-10-23T23:00:00.000Z	37 \| good	4.968 \| good	21.365 \| good	39.739 \| good	1.465 \| good	4.654 \| good	0.155 \| good
2025-10-24T00:00:00.000Z	38 \| good	6.763 \| good	30.199 \| good	36.983 \| good	1.51 \| good	5.021 \| good	0.156 \| good
2025-10-24T01:00:00.000Z	44 \| good	8.163 \| good	35.901 \| good	30.07 \| good	1.519 \| good	9.731 \| good	0.182 \| good
2025-10-24T02:00:00.000Z	52 \| moderate	9.568 \| good	42.628 \| good	24.499 \| good	1.528 \| good	14.44 \| good	0.209 \| good
2025-10-24T03:00:00.000Z	54 \| moderate	11.341 \| good	50.141 \| good	18.854 \| good	1.537 \| good	19.149 \| good	0.235 \| good
2025-10-24T04:00:00.000Z	56 \| moderate	11.707 \| good	52.161 \| good	13.521 \| good	1.561 \| good	20.761 \| good	0.247 \| good
2025-10-24T05:00:00.000Z	54 \| moderate	11.117 \| good	49.158 \| good	11.614 \| good	1.585 \| good	22.372 \| good	0.26 \| good
2025-10-24T06:00:00.000Z	49 \| good	9.067 \| good	39.998 \| good	11.358 \| good	1.608 \| good	23.984 \| good	0.272 \| good
2025-10-24T07:00:00.000Z	49 \| good	8.691 \| good	38.262 \| good	9.272 \| good	1.51 \| good	23.186 \| good	0.26 \| good
2025-10-24T08:00:00.000Z	38 \| good	7.483 \| good	32.969 \| good	9.037 \| good	1.412 \| good	22.389 \| good	0.248 \| good
2025-10-24T09:00:00.000Z	38 \| good	7.041 \| good	30.907 \| good	9.413 \| good	1.314 \| good	21.591 \| good	0.235 \| good
2025-10-24T10:00:00.000Z	33 \| good	6.057 \| good	26.483 \| good	9.929 \| good	1.269 \| good	19.98 \| good	0.224 \| good
2025-10-24T11:00:00.000Z	33 \| good	5.674 \| good	24.483 \| good	11.779 \| good	1.224 \| good	18.37 \| good	0.212 \| good
2025-10-24T12:00:00.000Z	27 \| good	5.451 \| good	23.981 \| good	12.933 \| good	1.179 \| good	16.759 \| good	0.2 \| good
2025-10-24T13:00:00.000Z	27 \| good	5.325 \| good	23.427 \| good	12.547 \| good	1.192 \| good	16.66 \| good	0.206 \| good
2025-10-24T14:00:00.000Z	38 \| good	6.824 \| good	30.218 \| good	9.952 \| good	1.205 \| good	16.562 \| good	0.212 \| good
2025-10-24T15:00:00.000Z	44 \| good	8.066 \| good	35.25 \| good	11.757 \| good	1.219 \| good	16.463 \| good	0.219 \| good
2025-10-24T16:00:00.000Z	27 \| good	4.752 \| good	20.646 \| good	18.03 \| good	1.257 \| good	12.836 \| good	0.192 \| good
2025-10-24T17:00:00.000Z	27 \| good	5.2 \| good	22.439 \| good	20.984 \| good	1.295 \| good	9.208 \| good	0.165 \| good
2025-10-24T18:00:00.000Z	27 \| good	4.577 \| good	19.744 \| good	23.091 \| good	1.333 \| good	5.58 \| good	0.138 \| good
2025-10-24T19:00:00.000Z	22 \| good	4.181 \| good	18.212 \| good	21.093 \| good	1.245 \| good	4.76 \| good	0.132 \| good

San Ramon

Empower business decisions with accurate air quality data

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

0.23ppm

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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Check live rankings of places in the USA affected by air pollution.

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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 03:00:00, 2025-10-22.

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 2025-10-22.

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 31.

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

In San Ramon, California, O3 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 4.65 μg/m³.

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

San Ramon, California currently has a PM₁₀ concentration of 20.508 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 0.283 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 0.55 ppb.

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

San Ramon, California currently has an ozone (O₃) concentration of 33.824 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 6.599 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-20T20:00:00.000Z	30 \| good	4.36 \| good	18.82 \| good	31.789 \| good	0.621 \| good	3.721 \| good	0.238 \| good
2025-10-20T21:00:00.000Z	30 \| good	3.462 \| good	15.093 \| good	32.022 \| good	0.595 \| good	2.457 \| good	0.225 \| good
2025-10-20T22:00:00.000Z	33 \| good	1.411 \| good	7.676 \| good	35.832 \| good	0.572 \| good	3.639 \| good	0.303 \| good
2025-10-20T23:00:00.000Z	34 \| good	6.148 \| good	25.227 \| good	36.737 \| good	0.554 \| good	3.265 \| good	0.303 \| good
2025-10-21T00:00:00.000Z	34 \| good	4.602 \| good	19.785 \| good	37.165 \| good	0.531 \| good	3.288 \| good	0.296 \| good
2025-10-21T01:00:00.000Z	34 \| good	2.803 \| good	11.913 \| good	36.56 \| good	0.549 \| good	3.812 \| good	0.226 \| good
2025-10-21T02:00:00.000Z	36 \| good	3.325 \| good	13.087 \| good	38.509 \| good	0.898 \| good	3.028 \| good	0.214 \| good
2025-10-21T03:00:00.000Z	33 \| good	6.133 \| good	27.315 \| good	21.091 \| good	1.381 \| good	34.231 \| good	0.392 \| good
2025-10-21T04:00:00.000Z	31 \| good	3.463 \| good	14.342 \| good	33.688 \| good	0.802 \| good	12.45 \| good	0.332 \| good
2025-10-21T05:00:00.000Z	38 \| good	7.02 \| good	30.768 \| good	33.503 \| good	0.77 \| good	17.132 \| good	0.52 \| good
2025-10-21T06:00:00.000Z	60 \| moderate	14.098 \| fine	60.249 \| fine	31.368 \| good	0.71 \| good	15.671 \| good	0.5 \| good
2025-10-21T07:00:00.000Z	58 \| moderate	13.274 \| fine	59.79 \| fine	29.1 \| good	0.686 \| good	13.224 \| good	0.414 \| good
2025-10-21T08:00:00.000Z	56 \| moderate	11.902 \| good	52.229 \| good	27.821 \| good	0.7 \| good	12.052 \| good	0.346 \| good
2025-10-21T09:00:00.000Z	54 \| moderate	10.686 \| good	43.24 \| good	26.172 \| good	0.721 \| good	10.795 \| good	0.399 \| good
2025-10-21T10:00:00.000Z	49 \| good	9.397 \| good	41.359 \| good	23.767 \| good	0.741 \| good	9.915 \| good	0.327 \| good
2025-10-21T11:00:00.000Z	49 \| good	8.719 \| good	36.642 \| good	33.502 \| good	0.724 \| good	11.624 \| good	0.394 \| good
2025-10-21T12:00:00.000Z	44 \| good	7.968 \| good	34.255 \| good	24.926 \| good	0.725 \| good	11.018 \| good	0.394 \| good
2025-10-21T13:00:00.000Z	38 \| good	7.48 \| good	32.238 \| good	22.82 \| good	0.781 \| good	12.502 \| good	0.391 \| good
2025-10-21T14:00:00.000Z	38 \| good	6.764 \| good	30.63 \| good	19.871 \| good	0.64 \| good	13.569 \| good	0.478 \| good
2025-10-21T15:00:00.000Z	38 \| good	7.277 \| good	28.899 \| good	25.801 \| good	0.746 \| good	15.246 \| good	0.577 \| good
2025-10-21T16:00:00.000Z	38 \| good	7.051 \| good	30.181 \| good	19.136 \| good	0.708 \| good	16.92 \| good	0.595 \| good
2025-10-21T17:00:00.000Z	38 \| good	7.396 \| good	33.129 \| good	21.976 \| good	0.817 \| good	17.256 \| good	0.629 \| good
2025-10-21T18:00:00.000Z	44 \| good	8.108 \| good	34.04 \| good	21.121 \| good	1.325 \| good	18.426 \| good	0.554 \| good
2025-10-21T19:00:00.000Z	49 \| good	8.935 \| good	39.889 \| good	23.821 \| good	1.507 \| good	15.261 \| good	0.485 \| good
2025-10-21T20:00:00.000Z	44 \| good	8.455 \| good	35.309 \| good	29.993 \| good	1.061 \| good	7.597 \| good	0.308 \| good
2025-10-21T21:00:00.000Z	38 \| good	7.217 \| good	32.718 \| good	34.654 \| good	1.084 \| good	9.122 \| good	0.372 \| good
2025-10-21T22:00:00.000Z	44 \| good	7.761 \| good	31.417 \| good	38.499 \| good	0.944 \| good	4.982 \| good	0.303 \| good
2025-10-21T23:00:00.000Z	38 \| good	6.745 \| good	29.768 \| good	40.174 \| good	0.79 \| good	3.615 \| good	0.237 \| good
2025-10-22T00:00:00.000Z	34 \| good	5.759 \| good	25.243 \| good	37.168 \| good	0.632 \| good	4.911 \| good	0.298 \| good
2025-10-22T01:00:00.000Z	37 \| good	5.838 \| good	24.761 \| good	40.455 \| good	0.674 \| good	8.685 \| good	0.385 \| good
2025-10-22T02:00:00.000Z	38 \| good	7.005 \| good	32.875 \| good	37.707 \| good	0.605 \| good	12.836 \| good	0.459 \| good
2025-10-22T03:00:00.000Z	62 \| moderate	15.145 \| fine	67.471 \| fine	28.837 \| good	2.02 \| good	29.835 \| good	0.341 \| good
2025-10-22T04:00:00.000Z	44 \| good	8.213 \| good	36.801 \| good	33.881 \| good	0.711 \| good	7.378 \| good	0.319 \| good
2025-10-22T05:00:00.000Z	52 \| moderate	9.947 \| good	43.598 \| good	36.284 \| good	0.638 \| good	5.626 \| good	0.305 \| good
2025-10-22T06:00:00.000Z	49 \| good	9.468 \| good	41.171 \| good	37.002 \| good	0.573 \| good	5.273 \| good	0.293 \| good
2025-10-22T07:00:00.000Z	52 \| moderate	10.073 \| good	46.493 \| good	35.86 \| good	0.563 \| good	4.751 \| good	0.224 \| good
2025-10-22T08:00:00.000Z	54 \| moderate	11.061 \| good	47.438 \| good	31.575 \| good	0.509 \| good	4.811 \| good	0.301 \| good
2025-10-22T09:00:00.000Z	52 \| moderate	10.26 \| good	47.737 \| good	31.129 \| good	0.519 \| good	3.545 \| good	0.217 \| good
2025-10-22T10:00:00.000Z	49 \| good	9.315 \| good	42.539 \| good	32.733 \| good	0.517 \| good	3.749 \| good	0.216 \| good
2025-10-22T11:00:00.000Z	52 \| moderate	9.536 \| good	41.763 \| good	31.391 \| good	0.523 \| good	3.685 \| good	0.212 \| good
2025-10-22T12:00:00.000Z	44 \| good	8.093 \| good	35.024 \| good	29.391 \| good	0.559 \| good	2.833 \| good	0.207 \| good
2025-10-22T13:00:00.000Z	38 \| good	7.17 \| good	37.018 \| good	29.245 \| good	0.473 \| good	4.679 \| good	0.213 \| good
2025-10-22T14:00:00.000Z	38 \| good	6.641 \| good	29.313 \| good	27.294 \| good	0.778 \| good	3.961 \| good	0.21 \| good
2025-10-22T15:00:00.000Z	38 \| good	6.761 \| good	29.272 \| good	31.71 \| good	0.724 \| good	3.515 \| good	0.221 \| good
2025-10-22T16:00:00.000Z	33 \| good	6.028 \| good	25.977 \| good	30.495 \| good	0.716 \| good	4.389 \| good	0.217 \| good
2025-10-22T17:00:00.000Z	33 \| good	6.115 \| good	27.301 \| good	29.117 \| good	0.959 \| good	4.047 \| good	0.301 \| good
2025-10-22T18:00:00.000Z	29 \| good	5.433 \| good	23.585 \| good	30.518 \| good	0.972 \| good	4.221 \| good	0.221 \| good
2025-10-22T19:00:00.000Z	31 \| good	4.65 \| good	20.508 \| good	33.824 \| good	0.55 \| good	6.599 \| good	0.283 \| good
2025-10-22T19:00:00.000Z	31 \| good	4.65 \| good	20.508 \| good	33.824 \| good	0.55 \| good	6.599 \| good	0.283 \| good
2025-10-22T20:00:00.000Z	32 \| good	3.998 \| good	17.322 \| good	34.687 \| good	0.711 \| good	2.674 \| good	0.131 \| good
2025-10-22T21:00:00.000Z	32 \| good	3.819 \| good	16.692 \| good	34.718 \| good	0.713 \| good	2.285 \| good	0.129 \| good
2025-10-22T22:00:00.000Z	32 \| good	2.787 \| good	11.632 \| good	35.11 \| good	0.742 \| good	2.537 \| good	0.129 \| good
2025-10-22T23:00:00.000Z	31 \| good	3.921 \| good	17.474 \| good	32.715 \| good	0.772 \| good	2.789 \| good	0.13 \| good
2025-10-23T00:00:00.000Z	30 \| good	4.005 \| good	17.471 \| good	31.9 \| good	0.801 \| good	3.041 \| good	0.131 \| good
2025-10-23T01:00:00.000Z	27 \| good	3.934 \| good	17.002 \| good	29.032 \| good	0.926 \| good	6.466 \| good	0.15 \| good
2025-10-23T02:00:00.000Z	24 \| good	4.133 \| good	18.28 \| good	26.261 \| good	1.051 \| good	9.891 \| good	0.169 \| good
2025-10-23T03:00:00.000Z	33 \| good	5.705 \| good	24.818 \| good	22.392 \| good	1.175 \| good	13.315 \| good	0.188 \| good
2025-10-23T04:00:00.000Z	33 \| good	6.161 \| good	27.536 \| good	21.121 \| good	1.199 \| good	15.253 \| good	0.199 \| good
2025-10-23T05:00:00.000Z	27 \| good	4.837 \| good	21.103 \| good	18.321 \| good	1.223 \| good	17.19 \| good	0.21 \| good
2025-10-23T06:00:00.000Z	22 \| good	4.311 \| good	18.83 \| good	16.925 \| good	1.247 \| good	19.127 \| good	0.22 \| good
2025-10-23T07:00:00.000Z	22 \| good	4.321 \| good	19.051 \| good	14.302 \| good	1.174 \| good	17.27 \| good	0.211 \| good
2025-10-23T08:00:00.000Z	16 \| good	3.181 \| good	13.777 \| good	14.671 \| good	1.1 \| good	15.413 \| good	0.202 \| good
2025-10-23T09:00:00.000Z	16 \| good	3.336 \| good	14.355 \| good	15.597 \| good	1.026 \| good	13.556 \| good	0.192 \| good
2025-10-23T10:00:00.000Z	16 \| good	2.914 \| good	11.894 \| good	14.553 \| good	0.938 \| good	11.575 \| good	0.182 \| good
2025-10-23T11:00:00.000Z	16 \| good	3.007 \| good	12.831 \| good	16.643 \| good	0.849 \| good	9.594 \| good	0.171 \| good
2025-10-23T12:00:00.000Z	18 \| good	3.211 \| good	13.916 \| good	19.186 \| good	0.76 \| good	7.613 \| good	0.161 \| good
2025-10-23T13:00:00.000Z	17 \| good	2.549 \| good	10.352 \| good	18.202 \| good	0.794 \| good	9.134 \| good	0.174 \| good
2025-10-23T14:00:00.000Z	16 \| good	3.3 \| good	14.372 \| good	15.409 \| good	0.827 \| good	10.654 \| good	0.187 \| good
2025-10-23T15:00:00.000Z	16 \| good	2.704 \| good	11.183 \| good	17.49 \| good	0.861 \| good	12.175 \| good	0.2 \| good
2025-10-23T16:00:00.000Z	17 \| good	3.299 \| good	14.512 \| good	17.748 \| good	0.966 \| good	9.765 \| good	0.186 \| good
2025-10-23T17:00:00.000Z	27 \| good	5.216 \| good	22.711 \| good	20.951 \| good	1.07 \| good	7.355 \| good	0.172 \| good
2025-10-23T18:00:00.000Z	33 \| good	5.697 \| good	24.956 \| good	25.949 \| good	1.175 \| good	4.944 \| good	0.158 \| good
2025-10-23T19:00:00.000Z	29 \| good	5.489 \| good	23.71 \| good	31.155 \| good	1.242 \| good	4.603 \| good	0.157 \| good
2025-10-23T20:00:00.000Z	32 \| good	5.297 \| good	22.821 \| good	35.015 \| good	1.309 \| good	4.261 \| good	0.155 \| good
2025-10-23T21:00:00.000Z	34 \| good	4.361 \| good	18.984 \| good	36.526 \| good	1.376 \| good	3.92 \| good	0.153 \| good
2025-10-23T22:00:00.000Z	37 \| good	3.66 \| good	15.803 \| good	39.585 \| good	1.421 \| good	4.287 \| good	0.154 \| good
2025-10-23T23:00:00.000Z	37 \| good	4.968 \| good	21.365 \| good	39.739 \| good	1.465 \| good	4.654 \| good	0.155 \| good
2025-10-24T00:00:00.000Z	38 \| good	6.763 \| good	30.199 \| good	36.983 \| good	1.51 \| good	5.021 \| good	0.156 \| good
2025-10-24T01:00:00.000Z	44 \| good	8.163 \| good	35.901 \| good	30.07 \| good	1.519 \| good	9.731 \| good	0.182 \| good
2025-10-24T02:00:00.000Z	52 \| moderate	9.568 \| good	42.628 \| good	24.499 \| good	1.528 \| good	14.44 \| good	0.209 \| good
2025-10-24T03:00:00.000Z	54 \| moderate	11.341 \| good	50.141 \| good	18.854 \| good	1.537 \| good	19.149 \| good	0.235 \| good
2025-10-24T04:00:00.000Z	56 \| moderate	11.707 \| good	52.161 \| good	13.521 \| good	1.561 \| good	20.761 \| good	0.247 \| good
2025-10-24T05:00:00.000Z	54 \| moderate	11.117 \| good	49.158 \| good	11.614 \| good	1.585 \| good	22.372 \| good	0.26 \| good
2025-10-24T06:00:00.000Z	49 \| good	9.067 \| good	39.998 \| good	11.358 \| good	1.608 \| good	23.984 \| good	0.272 \| good
2025-10-24T07:00:00.000Z	49 \| good	8.691 \| good	38.262 \| good	9.272 \| good	1.51 \| good	23.186 \| good	0.26 \| good
2025-10-24T08:00:00.000Z	38 \| good	7.483 \| good	32.969 \| good	9.037 \| good	1.412 \| good	22.389 \| good	0.248 \| good
2025-10-24T09:00:00.000Z	38 \| good	7.041 \| good	30.907 \| good	9.413 \| good	1.314 \| good	21.591 \| good	0.235 \| good
2025-10-24T10:00:00.000Z	33 \| good	6.057 \| good	26.483 \| good	9.929 \| good	1.269 \| good	19.98 \| good	0.224 \| good
2025-10-24T11:00:00.000Z	33 \| good	5.674 \| good	24.483 \| good	11.779 \| good	1.224 \| good	18.37 \| good	0.212 \| good
2025-10-24T12:00:00.000Z	27 \| good	5.451 \| good	23.981 \| good	12.933 \| good	1.179 \| good	16.759 \| good	0.2 \| good
2025-10-24T13:00:00.000Z	27 \| good	5.325 \| good	23.427 \| good	12.547 \| good	1.192 \| good	16.66 \| good	0.206 \| good
2025-10-24T14:00:00.000Z	38 \| good	6.824 \| good	30.218 \| good	9.952 \| good	1.205 \| good	16.562 \| good	0.212 \| good
2025-10-24T15:00:00.000Z	44 \| good	8.066 \| good	35.25 \| good	11.757 \| good	1.219 \| good	16.463 \| good	0.219 \| good
2025-10-24T16:00:00.000Z	27 \| good	4.752 \| good	20.646 \| good	18.03 \| good	1.257 \| good	12.836 \| good	0.192 \| good
2025-10-24T17:00:00.000Z	27 \| good	5.2 \| good	22.439 \| good	20.984 \| good	1.295 \| good	9.208 \| good	0.165 \| good
2025-10-24T18:00:00.000Z	27 \| good	4.577 \| good	19.744 \| good	23.091 \| good	1.333 \| good	5.58 \| good	0.138 \| good
2025-10-24T19:00:00.000Z	22 \| good	4.181 \| good	18.212 \| good	21.093 \| good	1.245 \| good	4.76 \| good	0.132 \| good

Current air quality index in San Ramon, California today

Common air pollutants in San Ramon, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live San Ramon, California air quality forecast and history

Empower business decisions with accurate air quality data

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

Air quality in nearby cities

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Frequently asked questions

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

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

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

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

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

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

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

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

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