What is the PM10 level in Menlo Park, California at the moment?

The PM10 concentration in Menlo Park, California is 41.31 μg/m3 at the moment.

What is the sulfur dioxide (SO2) level in Menlo Park, California at the moment?

Currently, Menlo Park, California has a sulfur dioxide (SO2) concentration of 0.526 ppb.

What is the ozone (O3) level in Menlo Park, California at the moment?

The current ozone (O3) level in Menlo Park, California at the moment is 3.981 ppm.

What is the nitrogen dioxide (NO2) level in Menlo Park, California at the moment?

Nitrogen dioxide (NO2) level in Menlo Park, California at the moment is 11.571 ppb.

Live air quality index in Menlo Park, California today

Q: What is the PM2.5 level in Menlo Park, California at the moment?

PM2.5 levels in Menlo Park, California are currently 12.293 μg/m3.

Stay updated with real-time air quality in Menlo Park, 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

Menlo Park, California

Last updated: ... (Local time)

Major air pollutants in Menlo Park, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

12.29 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

41.31 μg/m³

155

255

425

605+

Ozone (O₃)

3.98 ppb

201

201+

Sulfur Dioxide (SO₂)

0.53 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

11.57 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.31 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Menlo Park, California

Get Live Pollen Counts

Menlo Park, California

Scroll To Air Quality Map

Track live Menlo Park, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-07T19:00:00.000Z	52 \| moderate	10.118 \| good	38.797 \| good	7.934 \| good	0.477 \| good	6.207 \| good	0.212 \| good
2025-12-07T20:00:00.000Z	52 \| moderate	10.105 \| good	35.283 \| good	7.955 \| good	0.499 \| good	5.368 \| good	0.211 \| good
2025-12-07T21:00:00.000Z	54 \| moderate	11.163 \| good	44.346 \| good	9.886 \| good	0.568 \| good	4.757 \| good	0.207 \| good
2025-12-07T22:00:00.000Z	58 \| moderate	13.316 \| fine	40.4 \| good	11.818 \| good	0.53 \| good	5.262 \| good	0.211 \| good
2025-12-07T23:00:00.000Z	66 \| moderate	16.845 \| fine	81.247 \| fine	12.796 \| good	0.539 \| good	5.742 \| good	0.207 \| good
2025-12-08T00:00:00.000Z	52 \| moderate	9.758 \| good	46.335 \| good	11.849 \| good	0.504 \| good	6.927 \| good	0.205 \| good
2025-12-08T01:00:00.000Z	44 \| good	7.505 \| good	21.885 \| good	11.917 \| good	0.434 \| good	9.212 \| good	0.212 \| good
2025-12-08T02:00:00.000Z	56 \| moderate	11.695 \| good	47.744 \| good	11.744 \| good	0.454 \| good	12.229 \| good	0.213 \| good
2025-12-08T03:00:00.000Z	49 \| good	8.632 \| good	20.937 \| good	7.066 \| good	0.44 \| good	14.69 \| good	0.31 \| good
2025-12-08T04:00:00.000Z	44 \| good	7.957 \| good	39.649 \| good	7.052 \| good	0.395 \| good	17.172 \| good	0.672 \| good
2025-12-08T05:00:00.000Z	54 \| moderate	10.66 \| good	56.856 \| fine	5.101 \| good	0.36 \| good	11.309 \| good	0.315 \| good
2025-12-08T06:00:00.000Z	54 \| moderate	11.474 \| good	46.272 \| good	5.133 \| good	0.415 \| good	11.343 \| good	0.225 \| good
2025-12-08T07:00:00.000Z	49 \| good	8.681 \| good	31.046 \| good	3.337 \| good	0.381 \| good	11.229 \| good	0.229 \| good
2025-12-08T08:00:00.000Z	49 \| good	9.103 \| good	32.718 \| good	3.405 \| good	0.34 \| good	10.045 \| good	0.314 \| good
2025-12-08T09:00:00.000Z	54 \| moderate	11.42 \| good	32.595 \| good	3.247 \| good	0.348 \| good	8.948 \| good	0.302 \| good
2025-12-08T10:00:00.000Z	49 \| good	9.245 \| good	42.785 \| good	5.095 \| good	0.316 \| good	9.174 \| good	0.298 \| good
2025-12-08T11:00:00.000Z	64 \| moderate	15.826 \| fine	69.391 \| fine	5.109 \| good	0.352 \| good	8.825 \| good	0.206 \| good
2025-12-08T12:00:00.000Z	56 \| moderate	11.542 \| good	43.481 \| good	5.109 \| good	0.357 \| good	8.805 \| good	0.206 \| good
2025-12-08T13:00:00.000Z	33 \| good	6.494 \| good	12.987 \| good	5.006 \| good	0.475 \| good	8.727 \| good	0.209 \| good
2025-12-08T14:00:00.000Z	49 \| good	8.544 \| good	21.97 \| good	5.984 \| good	0.638 \| good	8.781 \| good	0.207 \| good
2025-12-08T15:00:00.000Z	33 \| good	6.423 \| good	12.534 \| good	5.957 \| good	0.486 \| good	8.382 \| good	0.301 \| good
2025-12-08T16:00:00.000Z	54 \| moderate	10.515 \| good	48.061 \| good	5.881 \| good	0.425 \| good	8.793 \| good	0.301 \| good
2025-12-08T17:00:00.000Z	56 \| moderate	11.729 \| good	37.464 \| good	5.923 \| good	0.42 \| good	7.77 \| good	0.211 \| good
2025-12-08T18:00:00.000Z	44 \| good	7.846 \| good	26.703 \| good	7.831 \| good	0.441 \| good	7.052 \| good	0.211 \| good
2025-12-08T19:00:00.000Z	49 \| good	9.145 \| good	34.313 \| good	8.908 \| good	0.428 \| good	6.377 \| good	0.212 \| good
2025-12-08T20:00:00.000Z	49 \| good	9.341 \| good	22.56 \| good	9.915 \| good	0.401 \| good	5.91 \| good	0.212 \| good
2025-12-08T21:00:00.000Z	44 \| good	8.031 \| good	32.502 \| good	10.858 \| good	0.449 \| good	6.752 \| good	0.213 \| good
2025-12-08T22:00:00.000Z	49 \| good	8.894 \| good	28.621 \| good	11.794 \| good	0.386 \| good	7.549 \| good	0.214 \| good
2025-12-08T23:00:00.000Z	52 \| moderate	9.575 \| good	38.515 \| good	11.841 \| good	0.469 \| good	7.602 \| good	0.298 \| good
2025-12-09T00:00:00.000Z	52 \| moderate	9.918 \| good	22.688 \| good	10.894 \| good	0.419 \| good	8.382 \| good	0.205 \| good
2025-12-09T01:00:00.000Z	44 \| good	8.319 \| good	34.761 \| good	10.81 \| good	0.472 \| good	12.723 \| good	0.303 \| good
2025-12-09T02:00:00.000Z	52 \| moderate	10.104 \| good	19.161 \| good	8.06 \| good	0.438 \| good	14.584 \| good	0.305 \| good
2025-12-09T03:00:00.000Z	60 \| moderate	13.821 \| fine	62.968 \| fine	2.087 \| good	2.044 \| good	21.426 \| good	0.362 \| good
2025-12-09T04:00:00.000Z	58 \| moderate	12.62 \| fine	44.805 \| good	6.127 \| good	0.45 \| good	15.515 \| good	0.497 \| good
2025-12-09T05:00:00.000Z	52 \| moderate	10.458 \| good	42.793 \| good	5.205 \| good	0.418 \| good	16.42 \| good	0.77 \| good
2025-12-09T06:00:00.000Z	56 \| moderate	11.959 \| good	42.157 \| good	3.31 \| good	0.342 \| good	15.032 \| good	0.684 \| good
2025-12-09T07:00:00.000Z	56 \| moderate	11.733 \| good	41.368 \| good	2.337 \| good	0.334 \| good	15.072 \| good	0.699 \| good
2025-12-09T08:00:00.000Z	62 \| moderate	15.323 \| fine	78.105 \| fine	2.282 \| good	0.317 \| good	12.208 \| good	0.602 \| good
2025-12-09T09:00:00.000Z	66 \| moderate	17.099 \| fine	52.719 \| good	1.284 \| good	0.311 \| good	10.875 \| good	0.406 \| good
2025-12-09T10:00:00.000Z	44 \| good	8.408 \| good	33.886 \| good	1.271 \| good	0.419 \| good	9.843 \| good	0.32 \| good
2025-12-09T11:00:00.000Z	54 \| moderate	10.651 \| good	27.407 \| good	3.84 \| good	0.364 \| good	9.622 \| good	0.318 \| good
2025-12-09T12:00:00.000Z	52 \| moderate	9.875 \| good	33.24 \| good	4.157 \| good	0.413 \| good	9.766 \| good	0.318 \| good
2025-12-09T13:00:00.000Z	44 \| good	8.409 \| good	36.005 \| good	3.046 \| good	0.446 \| good	9.516 \| good	0.316 \| good
2025-12-09T14:00:00.000Z	52 \| moderate	9.749 \| good	44.656 \| good	5.61 \| good	0.501 \| good	13.454 \| good	0.3 \| good
2025-12-09T15:00:00.000Z	44 \| good	7.905 \| good	19.391 \| good	1.202 \| good	0.482 \| good	13.624 \| good	0.304 \| good
2025-12-09T16:00:00.000Z	56 \| moderate	11.501 \| good	35.837 \| good	2.124 \| good	0.528 \| good	12.553 \| good	0.307 \| good
2025-12-09T17:00:00.000Z	56 \| moderate	12.293 \| fine	41.31 \| good	3.981 \| good	0.526 \| good	11.571 \| good	0.306 \| good
2025-12-09T18:00:00.000Z	56 \| moderate	12.293 \| fine	41.31 \| good	3.981 \| good	0.526 \| good	11.571 \| good	0.306 \| good
2025-12-09T19:00:00.000Z	33 \| good	5.565 \| good	24.266 \| good	9.674 \| good	2.057 \| good	12.788 \| good	0.235 \| good
2025-12-09T20:00:00.000Z	38 \| good	7.06 \| good	31.209 \| good	10.082 \| good	2.338 \| good	11.366 \| good	0.207 \| good
2025-12-09T21:00:00.000Z	38 \| good	6.898 \| good	30.317 \| good	13.306 \| good	2.619 \| good	9.943 \| good	0.179 \| good
2025-12-09T22:00:00.000Z	38 \| good	7.422 \| good	32.286 \| good	15.253 \| good	2.677 \| good	11.971 \| good	0.188 \| good
2025-12-09T23:00:00.000Z	49 \| good	8.85 \| good	39.121 \| good	13.096 \| good	2.735 \| good	13.999 \| good	0.197 \| good
2025-12-10T00:00:00.000Z	52 \| moderate	10.149 \| good	45.034 \| good	9.136 \| good	2.793 \| good	16.027 \| good	0.206 \| good
2025-12-10T01:00:00.000Z	52 \| moderate	9.878 \| good	44.06 \| good	4.412 \| good	2.828 \| good	19.807 \| good	0.268 \| good
2025-12-10T02:00:00.000Z	56 \| moderate	11.806 \| good	51.998 \| good	2.578 \| good	2.863 \| good	23.587 \| good	0.33 \| good
2025-12-10T03:00:00.000Z	52 \| moderate	9.798 \| good	43.064 \| good	2.089 \| good	2.897 \| good	27.368 \| good	0.392 \| good
2025-12-10T04:00:00.000Z	49 \| good	8.637 \| good	38.136 \| good	1.578 \| good	2.904 \| good	27.295 \| good	0.404 \| good
2025-12-10T05:00:00.000Z	44 \| good	7.564 \| good	33.192 \| good	1.223 \| good	2.91 \| good	27.222 \| good	0.417 \| good
2025-12-10T06:00:00.000Z	33 \| good	6.359 \| good	28.237 \| good	1.669 \| good	2.916 \| good	27.149 \| good	0.429 \| good
2025-12-10T07:00:00.000Z	25 \| good	3.501 \| good	15.259 \| good	2.183 \| good	2.547 \| good	26.205 \| good	0.416 \| good
2025-12-10T08:00:00.000Z	24 \| good	3.666 \| good	16.29 \| good	2.4 \| good	2.178 \| good	25.261 \| good	0.404 \| good
2025-12-10T09:00:00.000Z	23 \| good	1.984 \| good	8.447 \| good	3.411 \| good	1.809 \| good	24.317 \| good	0.392 \| good
2025-12-10T10:00:00.000Z	23 \| good	0.901 \| good	3.446 \| good	5.964 \| good	1.673 \| good	23.763 \| good	0.364 \| good
2025-12-10T11:00:00.000Z	22 \| good	0.795 \| good	3.306 \| good	7.044 \| good	1.537 \| good	23.209 \| good	0.337 \| good
2025-12-10T12:00:00.000Z	22 \| good	2.208 \| good	9.17 \| good	7.997 \| good	1.401 \| good	22.655 \| good	0.31 \| good
2025-12-10T13:00:00.000Z	22 \| good	0.64 \| good	2.271 \| good	4.744 \| good	1.553 \| good	22.877 \| good	0.299 \| good
2025-12-10T14:00:00.000Z	22 \| good	0.835 \| good	3.274 \| good	5.888 \| good	1.706 \| good	23.099 \| good	0.288 \| good
2025-12-10T15:00:00.000Z	22 \| good	0.997 \| good	4.224 \| good	5.852 \| good	1.858 \| good	23.321 \| good	0.278 \| good
2025-12-10T16:00:00.000Z	21 \| good	1.85 \| good	8.182 \| good	7.54 \| good	1.998 \| good	21.713 \| good	0.286 \| good
2025-12-10T17:00:00.000Z	19 \| good	3.357 \| good	15.079 \| good	7.114 \| good	2.137 \| good	20.106 \| good	0.295 \| good
2025-12-10T18:00:00.000Z	17 \| good	1.913 \| good	8.308 \| good	9.442 \| good	2.277 \| good	18.499 \| good	0.304 \| good
2025-12-10T19:00:00.000Z	16 \| good	3.277 \| good	14.167 \| good	11.286 \| good	2.311 \| good	17.03 \| good	0.278 \| good
2025-12-10T20:00:00.000Z	16 \| good	3.002 \| good	12.3 \| good	12.235 \| good	2.346 \| good	15.562 \| good	0.252 \| good
2025-12-10T21:00:00.000Z	27 \| good	4.972 \| good	21.267 \| good	14.736 \| good	2.38 \| good	14.094 \| good	0.226 \| good
2025-12-10T22:00:00.000Z	33 \| good	6.14 \| good	27.195 \| good	17.625 \| good	2.346 \| good	15.815 \| good	0.231 \| good
2025-12-10T23:00:00.000Z	33 \| good	6.452 \| good	29.088 \| good	15.804 \| good	2.312 \| good	17.535 \| good	0.236 \| good
2025-12-11T00:00:00.000Z	49 \| good	8.836 \| good	38.991 \| good	10.464 \| good	2.278 \| good	19.256 \| good	0.241 \| good
2025-12-11T01:00:00.000Z	49 \| good	9.177 \| good	40.956 \| good	2.794 \| good	2.307 \| good	21.93 \| good	0.3 \| good
2025-12-11T02:00:00.000Z	60 \| moderate	14.204 \| fine	62.697 \| fine	1.856 \| good	2.336 \| good	24.605 \| good	0.359 \| good
2025-12-11T03:00:00.000Z	58 \| moderate	13.392 \| fine	60.721 \| fine	1.811 \| good	2.365 \| good	27.28 \| good	0.418 \| good
2025-12-11T04:00:00.000Z	54 \| moderate	10.869 \| good	48.038 \| good	1.351 \| good	2.33 \| good	26.674 \| good	0.437 \| good
2025-12-11T05:00:00.000Z	44 \| good	8.014 \| good	35.28 \| good	1.036 \| good	2.296 \| good	26.068 \| good	0.456 \| good
2025-12-11T06:00:00.000Z	56 \| moderate	12.146 \| fine	54.952 \| good	1.328 \| good	2.261 \| good	25.463 \| good	0.475 \| good
2025-12-11T07:00:00.000Z	38 \| good	6.975 \| good	31.198 \| good	2.22 \| good	2.107 \| good	25.54 \| good	0.439 \| good
2025-12-11T08:00:00.000Z	33 \| good	5.716 \| good	24.34 \| good	2.915 \| good	1.953 \| good	25.616 \| good	0.404 \| good
2025-12-11T09:00:00.000Z	33 \| good	6.385 \| good	28.243 \| good	3.159 \| good	1.799 \| good	25.693 \| good	0.368 \| good
2025-12-11T10:00:00.000Z	27 \| good	4.824 \| good	21.228 \| good	3.565 \| good	1.693 \| good	24.851 \| good	0.335 \| good
2025-12-11T11:00:00.000Z	23 \| good	4.298 \| good	19.18 \| good	4.119 \| good	1.587 \| good	24.008 \| good	0.302 \| good
2025-12-11T12:00:00.000Z	22 \| good	4.246 \| good	19.127 \| good	4.101 \| good	1.481 \| good	23.166 \| good	0.269 \| good
2025-12-11T13:00:00.000Z	22 \| good	1.342 \| good	5.414 \| good	4.179 \| good	1.52 \| good	23.439 \| good	0.26 \| good
2025-12-11T14:00:00.000Z	23 \| good	3.688 \| good	16.179 \| good	5.218 \| good	1.559 \| good	23.712 \| good	0.25 \| good
2025-12-11T15:00:00.000Z	23 \| good	3.616 \| good	16.203 \| good	4.242 \| good	1.598 \| good	23.985 \| good	0.241 \| good
2025-12-11T16:00:00.000Z	33 \| good	6.128 \| good	27.075 \| good	5.323 \| good	1.711 \| good	22.039 \| good	0.257 \| good
2025-12-11T17:00:00.000Z	54 \| moderate	11.015 \| good	48.903 \| good	7.563 \| good	1.824 \| good	20.094 \| good	0.273 \| good
2025-12-11T18:00:00.000Z	56 \| moderate	12.125 \| fine	54.881 \| good	10.576 \| good	1.936 \| good	18.148 \| good	0.289 \| good

Menlo Park

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Menlo Park, 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

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Frequently asked questions

How often is air quality information updated for Menlo Park, California?

The air quality information for Menlo Park, California is updated every hour for accuracy.

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

In the past 24 hours, the air quality in Menlo Park, California was at its worst at 09:00:00 on 2025-12-09.

When did Menlo Park, California experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Menlo Park, California was observed at 03:00:00 on 2025-12-09.

What is the AQI in Menlo Park, California right now?

As of now, the AQI in Menlo Park, California is 56, indicating Moderate conditions.

What is the most common type of pollution in Menlo Park, California?

Menlo Park, California air has the highest levels of PM2.5.

What should I do in case of poor air quality in Menlo Park, California?

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

What is the PM_2.5 level in Menlo Park, California at the moment?

PM_2.5 levels in Menlo Park, California are currently 12.293 μg/m³.

What is the PM₁₀ level in Menlo Park, California at the moment?

The PM₁₀ concentration in Menlo Park, California is 41.31 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Menlo Park, California at the moment?

The current carbon monoxide (CO) concentration in Menlo Park, California is 0.306 ppm.

What is the sulfur dioxide (SO₂) level in Menlo Park, California at the moment?

Currently, Menlo Park, California has a sulfur dioxide (SO₂) concentration of 0.526 ppb.

What is the ozone (O₃) level in Menlo Park, California at the moment?

The current ozone (O₃) level in Menlo Park, California at the moment is 3.981 ppm.

What is the nitrogen dioxide (NO₂) level in Menlo Park, California at the moment?

Nitrogen dioxide (NO₂) level in Menlo Park, California at the moment is 11.571 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-07T19:00:00.000Z	52 \| moderate	10.118 \| good	38.797 \| good	7.934 \| good	0.477 \| good	6.207 \| good	0.212 \| good
2025-12-07T20:00:00.000Z	52 \| moderate	10.105 \| good	35.283 \| good	7.955 \| good	0.499 \| good	5.368 \| good	0.211 \| good
2025-12-07T21:00:00.000Z	54 \| moderate	11.163 \| good	44.346 \| good	9.886 \| good	0.568 \| good	4.757 \| good	0.207 \| good
2025-12-07T22:00:00.000Z	58 \| moderate	13.316 \| fine	40.4 \| good	11.818 \| good	0.53 \| good	5.262 \| good	0.211 \| good
2025-12-07T23:00:00.000Z	66 \| moderate	16.845 \| fine	81.247 \| fine	12.796 \| good	0.539 \| good	5.742 \| good	0.207 \| good
2025-12-08T00:00:00.000Z	52 \| moderate	9.758 \| good	46.335 \| good	11.849 \| good	0.504 \| good	6.927 \| good	0.205 \| good
2025-12-08T01:00:00.000Z	44 \| good	7.505 \| good	21.885 \| good	11.917 \| good	0.434 \| good	9.212 \| good	0.212 \| good
2025-12-08T02:00:00.000Z	56 \| moderate	11.695 \| good	47.744 \| good	11.744 \| good	0.454 \| good	12.229 \| good	0.213 \| good
2025-12-08T03:00:00.000Z	49 \| good	8.632 \| good	20.937 \| good	7.066 \| good	0.44 \| good	14.69 \| good	0.31 \| good
2025-12-08T04:00:00.000Z	44 \| good	7.957 \| good	39.649 \| good	7.052 \| good	0.395 \| good	17.172 \| good	0.672 \| good
2025-12-08T05:00:00.000Z	54 \| moderate	10.66 \| good	56.856 \| fine	5.101 \| good	0.36 \| good	11.309 \| good	0.315 \| good
2025-12-08T06:00:00.000Z	54 \| moderate	11.474 \| good	46.272 \| good	5.133 \| good	0.415 \| good	11.343 \| good	0.225 \| good
2025-12-08T07:00:00.000Z	49 \| good	8.681 \| good	31.046 \| good	3.337 \| good	0.381 \| good	11.229 \| good	0.229 \| good
2025-12-08T08:00:00.000Z	49 \| good	9.103 \| good	32.718 \| good	3.405 \| good	0.34 \| good	10.045 \| good	0.314 \| good
2025-12-08T09:00:00.000Z	54 \| moderate	11.42 \| good	32.595 \| good	3.247 \| good	0.348 \| good	8.948 \| good	0.302 \| good
2025-12-08T10:00:00.000Z	49 \| good	9.245 \| good	42.785 \| good	5.095 \| good	0.316 \| good	9.174 \| good	0.298 \| good
2025-12-08T11:00:00.000Z	64 \| moderate	15.826 \| fine	69.391 \| fine	5.109 \| good	0.352 \| good	8.825 \| good	0.206 \| good
2025-12-08T12:00:00.000Z	56 \| moderate	11.542 \| good	43.481 \| good	5.109 \| good	0.357 \| good	8.805 \| good	0.206 \| good
2025-12-08T13:00:00.000Z	33 \| good	6.494 \| good	12.987 \| good	5.006 \| good	0.475 \| good	8.727 \| good	0.209 \| good
2025-12-08T14:00:00.000Z	49 \| good	8.544 \| good	21.97 \| good	5.984 \| good	0.638 \| good	8.781 \| good	0.207 \| good
2025-12-08T15:00:00.000Z	33 \| good	6.423 \| good	12.534 \| good	5.957 \| good	0.486 \| good	8.382 \| good	0.301 \| good
2025-12-08T16:00:00.000Z	54 \| moderate	10.515 \| good	48.061 \| good	5.881 \| good	0.425 \| good	8.793 \| good	0.301 \| good
2025-12-08T17:00:00.000Z	56 \| moderate	11.729 \| good	37.464 \| good	5.923 \| good	0.42 \| good	7.77 \| good	0.211 \| good
2025-12-08T18:00:00.000Z	44 \| good	7.846 \| good	26.703 \| good	7.831 \| good	0.441 \| good	7.052 \| good	0.211 \| good
2025-12-08T19:00:00.000Z	49 \| good	9.145 \| good	34.313 \| good	8.908 \| good	0.428 \| good	6.377 \| good	0.212 \| good
2025-12-08T20:00:00.000Z	49 \| good	9.341 \| good	22.56 \| good	9.915 \| good	0.401 \| good	5.91 \| good	0.212 \| good
2025-12-08T21:00:00.000Z	44 \| good	8.031 \| good	32.502 \| good	10.858 \| good	0.449 \| good	6.752 \| good	0.213 \| good
2025-12-08T22:00:00.000Z	49 \| good	8.894 \| good	28.621 \| good	11.794 \| good	0.386 \| good	7.549 \| good	0.214 \| good
2025-12-08T23:00:00.000Z	52 \| moderate	9.575 \| good	38.515 \| good	11.841 \| good	0.469 \| good	7.602 \| good	0.298 \| good
2025-12-09T00:00:00.000Z	52 \| moderate	9.918 \| good	22.688 \| good	10.894 \| good	0.419 \| good	8.382 \| good	0.205 \| good
2025-12-09T01:00:00.000Z	44 \| good	8.319 \| good	34.761 \| good	10.81 \| good	0.472 \| good	12.723 \| good	0.303 \| good
2025-12-09T02:00:00.000Z	52 \| moderate	10.104 \| good	19.161 \| good	8.06 \| good	0.438 \| good	14.584 \| good	0.305 \| good
2025-12-09T03:00:00.000Z	60 \| moderate	13.821 \| fine	62.968 \| fine	2.087 \| good	2.044 \| good	21.426 \| good	0.362 \| good
2025-12-09T04:00:00.000Z	58 \| moderate	12.62 \| fine	44.805 \| good	6.127 \| good	0.45 \| good	15.515 \| good	0.497 \| good
2025-12-09T05:00:00.000Z	52 \| moderate	10.458 \| good	42.793 \| good	5.205 \| good	0.418 \| good	16.42 \| good	0.77 \| good
2025-12-09T06:00:00.000Z	56 \| moderate	11.959 \| good	42.157 \| good	3.31 \| good	0.342 \| good	15.032 \| good	0.684 \| good
2025-12-09T07:00:00.000Z	56 \| moderate	11.733 \| good	41.368 \| good	2.337 \| good	0.334 \| good	15.072 \| good	0.699 \| good
2025-12-09T08:00:00.000Z	62 \| moderate	15.323 \| fine	78.105 \| fine	2.282 \| good	0.317 \| good	12.208 \| good	0.602 \| good
2025-12-09T09:00:00.000Z	66 \| moderate	17.099 \| fine	52.719 \| good	1.284 \| good	0.311 \| good	10.875 \| good	0.406 \| good
2025-12-09T10:00:00.000Z	44 \| good	8.408 \| good	33.886 \| good	1.271 \| good	0.419 \| good	9.843 \| good	0.32 \| good
2025-12-09T11:00:00.000Z	54 \| moderate	10.651 \| good	27.407 \| good	3.84 \| good	0.364 \| good	9.622 \| good	0.318 \| good
2025-12-09T12:00:00.000Z	52 \| moderate	9.875 \| good	33.24 \| good	4.157 \| good	0.413 \| good	9.766 \| good	0.318 \| good
2025-12-09T13:00:00.000Z	44 \| good	8.409 \| good	36.005 \| good	3.046 \| good	0.446 \| good	9.516 \| good	0.316 \| good
2025-12-09T14:00:00.000Z	52 \| moderate	9.749 \| good	44.656 \| good	5.61 \| good	0.501 \| good	13.454 \| good	0.3 \| good
2025-12-09T15:00:00.000Z	44 \| good	7.905 \| good	19.391 \| good	1.202 \| good	0.482 \| good	13.624 \| good	0.304 \| good
2025-12-09T16:00:00.000Z	56 \| moderate	11.501 \| good	35.837 \| good	2.124 \| good	0.528 \| good	12.553 \| good	0.307 \| good
2025-12-09T17:00:00.000Z	56 \| moderate	12.293 \| fine	41.31 \| good	3.981 \| good	0.526 \| good	11.571 \| good	0.306 \| good
2025-12-09T18:00:00.000Z	56 \| moderate	12.293 \| fine	41.31 \| good	3.981 \| good	0.526 \| good	11.571 \| good	0.306 \| good
2025-12-09T19:00:00.000Z	33 \| good	5.565 \| good	24.266 \| good	9.674 \| good	2.057 \| good	12.788 \| good	0.235 \| good
2025-12-09T20:00:00.000Z	38 \| good	7.06 \| good	31.209 \| good	10.082 \| good	2.338 \| good	11.366 \| good	0.207 \| good
2025-12-09T21:00:00.000Z	38 \| good	6.898 \| good	30.317 \| good	13.306 \| good	2.619 \| good	9.943 \| good	0.179 \| good
2025-12-09T22:00:00.000Z	38 \| good	7.422 \| good	32.286 \| good	15.253 \| good	2.677 \| good	11.971 \| good	0.188 \| good
2025-12-09T23:00:00.000Z	49 \| good	8.85 \| good	39.121 \| good	13.096 \| good	2.735 \| good	13.999 \| good	0.197 \| good
2025-12-10T00:00:00.000Z	52 \| moderate	10.149 \| good	45.034 \| good	9.136 \| good	2.793 \| good	16.027 \| good	0.206 \| good
2025-12-10T01:00:00.000Z	52 \| moderate	9.878 \| good	44.06 \| good	4.412 \| good	2.828 \| good	19.807 \| good	0.268 \| good
2025-12-10T02:00:00.000Z	56 \| moderate	11.806 \| good	51.998 \| good	2.578 \| good	2.863 \| good	23.587 \| good	0.33 \| good
2025-12-10T03:00:00.000Z	52 \| moderate	9.798 \| good	43.064 \| good	2.089 \| good	2.897 \| good	27.368 \| good	0.392 \| good
2025-12-10T04:00:00.000Z	49 \| good	8.637 \| good	38.136 \| good	1.578 \| good	2.904 \| good	27.295 \| good	0.404 \| good
2025-12-10T05:00:00.000Z	44 \| good	7.564 \| good	33.192 \| good	1.223 \| good	2.91 \| good	27.222 \| good	0.417 \| good
2025-12-10T06:00:00.000Z	33 \| good	6.359 \| good	28.237 \| good	1.669 \| good	2.916 \| good	27.149 \| good	0.429 \| good
2025-12-10T07:00:00.000Z	25 \| good	3.501 \| good	15.259 \| good	2.183 \| good	2.547 \| good	26.205 \| good	0.416 \| good
2025-12-10T08:00:00.000Z	24 \| good	3.666 \| good	16.29 \| good	2.4 \| good	2.178 \| good	25.261 \| good	0.404 \| good
2025-12-10T09:00:00.000Z	23 \| good	1.984 \| good	8.447 \| good	3.411 \| good	1.809 \| good	24.317 \| good	0.392 \| good
2025-12-10T10:00:00.000Z	23 \| good	0.901 \| good	3.446 \| good	5.964 \| good	1.673 \| good	23.763 \| good	0.364 \| good
2025-12-10T11:00:00.000Z	22 \| good	0.795 \| good	3.306 \| good	7.044 \| good	1.537 \| good	23.209 \| good	0.337 \| good
2025-12-10T12:00:00.000Z	22 \| good	2.208 \| good	9.17 \| good	7.997 \| good	1.401 \| good	22.655 \| good	0.31 \| good
2025-12-10T13:00:00.000Z	22 \| good	0.64 \| good	2.271 \| good	4.744 \| good	1.553 \| good	22.877 \| good	0.299 \| good
2025-12-10T14:00:00.000Z	22 \| good	0.835 \| good	3.274 \| good	5.888 \| good	1.706 \| good	23.099 \| good	0.288 \| good
2025-12-10T15:00:00.000Z	22 \| good	0.997 \| good	4.224 \| good	5.852 \| good	1.858 \| good	23.321 \| good	0.278 \| good
2025-12-10T16:00:00.000Z	21 \| good	1.85 \| good	8.182 \| good	7.54 \| good	1.998 \| good	21.713 \| good	0.286 \| good
2025-12-10T17:00:00.000Z	19 \| good	3.357 \| good	15.079 \| good	7.114 \| good	2.137 \| good	20.106 \| good	0.295 \| good
2025-12-10T18:00:00.000Z	17 \| good	1.913 \| good	8.308 \| good	9.442 \| good	2.277 \| good	18.499 \| good	0.304 \| good
2025-12-10T19:00:00.000Z	16 \| good	3.277 \| good	14.167 \| good	11.286 \| good	2.311 \| good	17.03 \| good	0.278 \| good
2025-12-10T20:00:00.000Z	16 \| good	3.002 \| good	12.3 \| good	12.235 \| good	2.346 \| good	15.562 \| good	0.252 \| good
2025-12-10T21:00:00.000Z	27 \| good	4.972 \| good	21.267 \| good	14.736 \| good	2.38 \| good	14.094 \| good	0.226 \| good
2025-12-10T22:00:00.000Z	33 \| good	6.14 \| good	27.195 \| good	17.625 \| good	2.346 \| good	15.815 \| good	0.231 \| good
2025-12-10T23:00:00.000Z	33 \| good	6.452 \| good	29.088 \| good	15.804 \| good	2.312 \| good	17.535 \| good	0.236 \| good
2025-12-11T00:00:00.000Z	49 \| good	8.836 \| good	38.991 \| good	10.464 \| good	2.278 \| good	19.256 \| good	0.241 \| good
2025-12-11T01:00:00.000Z	49 \| good	9.177 \| good	40.956 \| good	2.794 \| good	2.307 \| good	21.93 \| good	0.3 \| good
2025-12-11T02:00:00.000Z	60 \| moderate	14.204 \| fine	62.697 \| fine	1.856 \| good	2.336 \| good	24.605 \| good	0.359 \| good
2025-12-11T03:00:00.000Z	58 \| moderate	13.392 \| fine	60.721 \| fine	1.811 \| good	2.365 \| good	27.28 \| good	0.418 \| good
2025-12-11T04:00:00.000Z	54 \| moderate	10.869 \| good	48.038 \| good	1.351 \| good	2.33 \| good	26.674 \| good	0.437 \| good
2025-12-11T05:00:00.000Z	44 \| good	8.014 \| good	35.28 \| good	1.036 \| good	2.296 \| good	26.068 \| good	0.456 \| good
2025-12-11T06:00:00.000Z	56 \| moderate	12.146 \| fine	54.952 \| good	1.328 \| good	2.261 \| good	25.463 \| good	0.475 \| good
2025-12-11T07:00:00.000Z	38 \| good	6.975 \| good	31.198 \| good	2.22 \| good	2.107 \| good	25.54 \| good	0.439 \| good
2025-12-11T08:00:00.000Z	33 \| good	5.716 \| good	24.34 \| good	2.915 \| good	1.953 \| good	25.616 \| good	0.404 \| good
2025-12-11T09:00:00.000Z	33 \| good	6.385 \| good	28.243 \| good	3.159 \| good	1.799 \| good	25.693 \| good	0.368 \| good
2025-12-11T10:00:00.000Z	27 \| good	4.824 \| good	21.228 \| good	3.565 \| good	1.693 \| good	24.851 \| good	0.335 \| good
2025-12-11T11:00:00.000Z	23 \| good	4.298 \| good	19.18 \| good	4.119 \| good	1.587 \| good	24.008 \| good	0.302 \| good
2025-12-11T12:00:00.000Z	22 \| good	4.246 \| good	19.127 \| good	4.101 \| good	1.481 \| good	23.166 \| good	0.269 \| good
2025-12-11T13:00:00.000Z	22 \| good	1.342 \| good	5.414 \| good	4.179 \| good	1.52 \| good	23.439 \| good	0.26 \| good
2025-12-11T14:00:00.000Z	23 \| good	3.688 \| good	16.179 \| good	5.218 \| good	1.559 \| good	23.712 \| good	0.25 \| good
2025-12-11T15:00:00.000Z	23 \| good	3.616 \| good	16.203 \| good	4.242 \| good	1.598 \| good	23.985 \| good	0.241 \| good
2025-12-11T16:00:00.000Z	33 \| good	6.128 \| good	27.075 \| good	5.323 \| good	1.711 \| good	22.039 \| good	0.257 \| good
2025-12-11T17:00:00.000Z	54 \| moderate	11.015 \| good	48.903 \| good	7.563 \| good	1.824 \| good	20.094 \| good	0.273 \| good
2025-12-11T18:00:00.000Z	56 \| moderate	12.125 \| fine	54.881 \| good	10.576 \| good	1.936 \| good	18.148 \| good	0.289 \| good

Live air quality index in Menlo Park, California today

Major air pollutants in Menlo Park, 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

North Fair Oaks, California

Stanford, California

Palo Alto, California

East Palo Alto, California

Redwood City, California

San Carlos, 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 PM_2.5 level in Menlo Park, California at the moment?

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What is the ozone (O₃) level in Menlo Park, California at the moment?

What is the nitrogen dioxide (NO₂) level in Menlo Park, California at the moment?