What is the PM10 level in Belmont, California at the moment?

The PM10 concentration in Belmont, California is 16.659 μg/m3 at the moment.

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

Currently, Belmont, California has a sulfur dioxide (SO2) concentration of 0.884 ppb.

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

The current ozone (O3) level in Belmont, California at the moment is 38.709 ppm.

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

Nitrogen dioxide (NO2) level in Belmont, California at the moment is 9.555 ppb.

Live air quality index in Belmont, California today

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

PM2.5 levels in Belmont, California are currently 3.741 μg/m3.

Stay updated with real-time air quality in Belmont, 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

Belmont, California

Last updated: ... (Local time)

Major air pollutants in Belmont, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.74 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

16.66 μg/m³

155

255

425

605+

Ozone (O₃)

38.71 ppb

201

201+

Sulfur Dioxide (SO₂)

0.88 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

9.55 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.17 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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Belmont, California

Scroll To Air Quality Map

Track live Belmont, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-08T04:00:00.000Z	27 \| good	4.894 \| good	21.968 \| good	23.657 \| good	0.388 \| good	17.769 \| good	0.575 \| good
2026-03-08T05:00:00.000Z	27 \| good	5.099 \| good	22.459 \| good	22.755 \| good	0.484 \| good	12.291 \| good	0.524 \| good
2026-03-08T06:00:00.000Z	33 \| good	5.859 \| good	25.573 \| good	22.82 \| good	0.501 \| good	12.215 \| good	0.436 \| good
2026-03-08T07:00:00.000Z	33 \| good	5.975 \| good	25.165 \| good	18.562 \| good	0.463 \| good	13.037 \| good	0.431 \| good
2026-03-08T08:00:00.000Z	33 \| good	6.275 \| good	25.558 \| good	19.643 \| good	0.451 \| good	13.172 \| good	0.449 \| good
2026-03-08T09:00:00.000Z	33 \| good	6.101 \| good	25.281 \| good	18.623 \| good	0.476 \| good	13.264 \| good	0.45 \| good
2026-03-08T10:00:00.000Z	33 \| good	6.069 \| good	25.887 \| good	19.242 \| good	0.347 \| good	7.464 \| good	0.227 \| good
2026-03-08T11:00:00.000Z	44 \| good	7.79 \| good	21.652 \| good	18.158 \| good	0.377 \| good	10.747 \| good	0.2 \| good
2026-03-08T12:00:00.000Z	44 \| good	8.159 \| good	33.165 \| good	24.056 \| good	0.161 \| good	13.073 \| good	0.572 \| good
2026-03-08T13:00:00.000Z	22 \| good	3.894 \| good	17.188 \| good	12.391 \| good	0.416 \| good	10.179 \| good	0.458 \| good
2026-03-08T14:00:00.000Z	16 \| good	2.669 \| good	11.916 \| good	8.509 \| good	0.42 \| good	11.354 \| good	0.483 \| good
2026-03-08T15:00:00.000Z	16 \| good	2.946 \| good	12.4 \| good	9.684 \| good	0.47 \| good	12.109 \| good	0.469 \| good
2026-03-08T16:00:00.000Z	44 \| good	8.118 \| good	20.027 \| good	10.173 \| good	0.493 \| good	11.008 \| good	0.502 \| good
2026-03-08T17:00:00.000Z	33 \| good	6.048 \| good	25.719 \| good	10.729 \| good	0.872 \| good	9.786 \| good	0.498 \| good
2026-03-08T18:00:00.000Z	33 \| good	5.793 \| good	25.022 \| good	13.211 \| good	1.069 \| good	8.925 \| good	0.441 \| good
2026-03-08T19:00:00.000Z	33 \| good	6.039 \| good	26.162 \| good	17.418 \| good	1.085 \| good	7.327 \| good	0.414 \| good
2026-03-08T20:00:00.000Z	33 \| good	6.083 \| good	25.549 \| good	21.836 \| good	1.077 \| good	6.97 \| good	0.4 \| good
2026-03-08T21:00:00.000Z	33 \| good	6.005 \| good	26.078 \| good	22.683 \| good	0.838 \| good	6.762 \| good	0.398 \| good
2026-03-08T22:00:00.000Z	27 \| good	5.46 \| good	23.983 \| good	28.913 \| good	0.638 \| good	6.572 \| good	0.316 \| good
2026-03-08T23:00:00.000Z	33 \| good	5.704 \| good	24.998 \| good	30.321 \| good	0.576 \| good	6.715 \| good	0.325 \| good
2026-03-09T00:00:00.000Z	33 \| good	5.53 \| good	24.725 \| good	35.813 \| good	0.433 \| good	6.22 \| good	0.327 \| good
2026-03-09T01:00:00.000Z	32 \| good	4.433 \| good	19.597 \| good	35.14 \| good	0.451 \| good	5.9 \| good	0.329 \| good
2026-03-09T02:00:00.000Z	32 \| good	4.792 \| good	20.657 \| good	35.143 \| good	0.517 \| good	6.364 \| good	0.318 \| good
2026-03-09T03:00:00.000Z	52 \| moderate	9.952 \| good	44.443 \| good	38.043 \| good	1.463 \| good	21.044 \| good	0.241 \| good
2026-03-09T04:00:00.000Z	38 \| good	6.892 \| good	30.066 \| good	31.788 \| good	0.337 \| good	18.95 \| good	0.4 \| good
2026-03-09T05:00:00.000Z	49 \| good	8.971 \| good	39.876 \| good	26.845 \| good	0.416 \| good	14.612 \| good	0.406 \| good
2026-03-09T06:00:00.000Z	52 \| moderate	10.393 \| good	46.077 \| good	20.447 \| good	0.452 \| good	15.808 \| good	0.404 \| good
2026-03-09T07:00:00.000Z	52 \| moderate	10.255 \| good	45.732 \| good	19.963 \| good	0.447 \| good	15.567 \| good	0.392 \| good
2026-03-09T08:00:00.000Z	49 \| good	9.448 \| good	44.205 \| good	17.761 \| good	0.479 \| good	8.715 \| good	0.371 \| good
2026-03-09T09:00:00.000Z	49 \| good	8.999 \| good	41.011 \| good	15.753 \| good	0.411 \| good	8.096 \| good	0.367 \| good
2026-03-09T10:00:00.000Z	44 \| good	7.839 \| good	35.647 \| good	13.93 \| good	0.341 \| good	6.677 \| good	0.39 \| good
2026-03-09T11:00:00.000Z	38 \| good	6.949 \| good	30.814 \| good	11.788 \| good	0.356 \| good	7.304 \| good	0.386 \| good
2026-03-09T12:00:00.000Z	33 \| good	6.286 \| good	28.115 \| good	11.189 \| good	0.336 \| good	7.294 \| good	0.386 \| good
2026-03-09T13:00:00.000Z	33 \| good	5.976 \| good	26.97 \| good	10.558 \| good	0.492 \| good	7.443 \| good	0.441 \| good
2026-03-09T14:00:00.000Z	27 \| good	5.471 \| good	25.006 \| good	8.409 \| good	0.42 \| good	10.705 \| good	0.498 \| good
2026-03-09T15:00:00.000Z	33 \| good	6.425 \| good	27.388 \| good	7.502 \| good	0.345 \| good	14.011 \| good	0.645 \| good
2026-03-09T16:00:00.000Z	44 \| good	7.657 \| good	34.106 \| good	7.248 \| good	0.432 \| good	14.548 \| good	0.795 \| good
2026-03-09T17:00:00.000Z	49 \| good	9.044 \| good	40.787 \| good	11.856 \| good	0.399 \| good	8.655 \| good	0.448 \| good
2026-03-09T18:00:00.000Z	54 \| moderate	11.091 \| good	49.33 \| good	12.783 \| good	0.353 \| good	8.283 \| good	0.415 \| good
2026-03-09T19:00:00.000Z	56 \| moderate	12.221 \| fine	54.409 \| good	18.944 \| good	0.442 \| good	9.204 \| good	0.401 \| good
2026-03-09T20:00:00.000Z	56 \| moderate	12.073 \| good	53.021 \| good	20.13 \| good	0.908 \| good	6.365 \| good	0.306 \| good
2026-03-09T21:00:00.000Z	56 \| moderate	11.846 \| good	53.274 \| good	26.267 \| good	0.666 \| good	7.383 \| good	0.318 \| good
2026-03-09T22:00:00.000Z	56 \| moderate	12.111 \| fine	53.568 \| good	27.942 \| good	0.432 \| good	7.175 \| good	0.329 \| good
2026-03-09T23:00:00.000Z	56 \| moderate	11.952 \| good	51.913 \| good	27.914 \| good	0.652 \| good	5.247 \| good	0.306 \| good
2026-03-10T00:00:00.000Z	52 \| moderate	10.004 \| good	44.138 \| good	30.659 \| good	0.613 \| good	5.064 \| good	0.305 \| good
2026-03-10T01:00:00.000Z	52 \| moderate	9.529 \| good	42.063 \| good	27.971 \| good	0.598 \| good	4.937 \| good	0.305 \| good
2026-03-10T02:00:00.000Z	54 \| moderate	11.035 \| good	48.363 \| good	28.859 \| good	0.353 \| good	3.483 \| good	0.301 \| good
2026-03-10T03:00:00.000Z	36 \| good	3.741 \| good	16.659 \| good	38.709 \| good	0.884 \| good	9.555 \| good	0.167 \| good
2026-03-10T03:00:00.000Z	36 \| good	3.741 \| good	16.659 \| good	38.709 \| good	0.884 \| good	9.555 \| good	0.167 \| good
2026-03-10T04:00:00.000Z	36 \| good	3.3 \| good	13.968 \| good	38.558 \| good	0.727 \| good	9.717 \| good	0.165 \| good
2026-03-10T05:00:00.000Z	34 \| good	2.319 \| good	9.535 \| good	37.167 \| good	0.703 \| good	10.465 \| good	0.168 \| good
2026-03-10T06:00:00.000Z	31 \| good	4.15 \| good	18.008 \| good	32.709 \| good	0.679 \| good	11.213 \| good	0.172 \| good
2026-03-10T07:00:00.000Z	38 \| good	2.453 \| good	10.185 \| good	40.903 \| good	0.631 \| good	10.302 \| good	0.168 \| good
2026-03-10T08:00:00.000Z	37 \| good	0.907 \| good	3.628 \| good	39.874 \| good	0.582 \| good	9.392 \| good	0.164 \| good
2026-03-10T09:00:00.000Z	35 \| good	1.179 \| good	4.581 \| good	37.598 \| good	0.534 \| good	8.481 \| good	0.16 \| good
2026-03-10T10:00:00.000Z	36 \| good	1.546 \| good	6.176 \| good	38.69 \| good	0.521 \| good	7.535 \| good	0.155 \| good
2026-03-10T11:00:00.000Z	35 \| good	1.592 \| good	6.295 \| good	37.938 \| good	0.508 \| good	6.588 \| good	0.151 \| good
2026-03-10T12:00:00.000Z	33 \| good	1.631 \| good	6.876 \| good	36.047 \| good	0.495 \| good	5.641 \| good	0.146 \| good
2026-03-10T13:00:00.000Z	32 \| good	1.45 \| good	5.882 \| good	35.094 \| good	0.512 \| good	6.033 \| good	0.15 \| good
2026-03-10T14:00:00.000Z	31 \| good	0.915 \| good	3.835 \| good	32.747 \| good	0.53 \| good	6.425 \| good	0.153 \| good
2026-03-10T15:00:00.000Z	30 \| good	1.616 \| good	6.498 \| good	31.701 \| good	0.547 \| good	6.817 \| good	0.157 \| good
2026-03-10T16:00:00.000Z	35 \| good	2.415 \| good	10.065 \| good	38.326 \| good	0.605 \| good	5.533 \| good	0.151 \| good
2026-03-10T17:00:00.000Z	35 \| good	1.287 \| good	5.482 \| good	38.286 \| good	0.663 \| good	4.249 \| good	0.146 \| good
2026-03-10T18:00:00.000Z	31 \| good	1.788 \| good	7.243 \| good	33.43 \| good	0.72 \| good	2.965 \| good	0.14 \| good
2026-03-10T19:00:00.000Z	31 \| good	2.496 \| good	10.397 \| good	34.181 \| good	0.723 \| good	2.748 \| good	0.139 \| good
2026-03-10T20:00:00.000Z	33 \| good	2.886 \| good	12.367 \| good	35.98 \| good	0.726 \| good	2.532 \| good	0.138 \| good
2026-03-10T21:00:00.000Z	33 \| good	3.827 \| good	16.807 \| good	35.869 \| good	0.729 \| good	2.315 \| good	0.137 \| good
2026-03-10T22:00:00.000Z	31 \| good	5.081 \| good	22.35 \| good	33.851 \| good	0.697 \| good	2.401 \| good	0.137 \| good
2026-03-10T23:00:00.000Z	31 \| good	4.568 \| good	19.727 \| good	33.965 \| good	0.665 \| good	2.486 \| good	0.136 \| good
2026-03-11T00:00:00.000Z	32 \| good	3.125 \| good	13.246 \| good	35.244 \| good	0.633 \| good	2.571 \| good	0.135 \| good
2026-03-11T01:00:00.000Z	35 \| good	1.861 \| good	7.565 \| good	37.668 \| good	0.632 \| good	4.909 \| good	0.147 \| good
2026-03-11T02:00:00.000Z	34 \| good	3.63 \| good	15.821 \| good	36.87 \| good	0.632 \| good	7.246 \| good	0.158 \| good
2026-03-11T03:00:00.000Z	31 \| good	4.101 \| good	17.948 \| good	32.864 \| good	0.631 \| good	9.584 \| good	0.17 \| good
2026-03-11T04:00:00.000Z	31 \| good	5.163 \| good	22.277 \| good	34.107 \| good	0.668 \| good	10.163 \| good	0.182 \| good
2026-03-11T05:00:00.000Z	28 \| good	4.5 \| good	19.778 \| good	29.988 \| good	0.704 \| good	10.743 \| good	0.194 \| good
2026-03-11T06:00:00.000Z	52 \| moderate	9.574 \| good	12.015 \| good	31.044 \| good	0.746 \| good	11.451 \| good	0.208 \| good
2026-03-11T07:00:00.000Z	25 \| good	4.37 \| good	19.021 \| good	27.064 \| good	0.734 \| good	11.219 \| good	0.209 \| good
2026-03-11T08:00:00.000Z	29 \| good	2.23 \| good	9.073 \| good	30.827 \| good	0.728 \| good	11.115 \| good	0.211 \| good
2026-03-11T09:00:00.000Z	28 \| good	1.862 \| good	7.455 \| good	29.936 \| good	0.722 \| good	11.011 \| good	0.212 \| good
2026-03-11T10:00:00.000Z	24 \| good	2.588 \| good	11.046 \| good	26.074 \| good	0.713 \| good	10.749 \| good	0.208 \| good
2026-03-11T11:00:00.000Z	26 \| good	2.568 \| good	10.567 \| good	28.31 \| good	0.703 \| good	10.486 \| good	0.203 \| good
2026-03-11T12:00:00.000Z	52 \| moderate	10.295 \| good	12.6 \| good	27.366 \| good	0.696 \| good	10.261 \| good	0.199 \| good
2026-03-11T13:00:00.000Z	52 \| moderate	10.156 \| good	12.479 \| good	26.412 \| good	0.771 \| good	10.182 \| good	0.207 \| good
2026-03-11T14:00:00.000Z	52 \| moderate	10.325 \| good	12.604 \| good	25.458 \| good	0.846 \| good	10.103 \| good	0.214 \| good
2026-03-11T15:00:00.000Z	56 \| moderate	11.616 \| good	13.726 \| good	24.504 \| good	0.922 \| good	10.024 \| good	0.221 \| good
2026-03-11T16:00:00.000Z	56 \| moderate	11.701 \| good	13.572 \| good	26.15 \| good	1.236 \| good	9.558 \| good	0.21 \| good
2026-03-11T17:00:00.000Z	38 \| good	7.119 \| good	31.344 \| good	26.904 \| good	1.546 \| good	9.034 \| good	0.198 \| good
2026-03-11T18:00:00.000Z	52 \| moderate	10.074 \| good	12.126 \| good	29.442 \| good	1.865 \| good	8.627 \| good	0.188 \| good
2026-03-11T19:00:00.000Z	52 \| moderate	9.913 \| good	12.113 \| good	32.253 \| good	1.786 \| good	8.119 \| good	0.184 \| good
2026-03-11T20:00:00.000Z	52 \| moderate	10.345 \| good	12.686 \| good	35.065 \| good	1.707 \| good	7.611 \| good	0.181 \| good
2026-03-11T21:00:00.000Z	54 \| moderate	11.382 \| good	13.933 \| good	37.876 \| good	1.629 \| good	7.103 \| good	0.178 \| good
2026-03-11T22:00:00.000Z	56 \| moderate	11.827 \| good	14.593 \| good	38.94 \| good	1.487 \| good	7.064 \| good	0.176 \| good
2026-03-11T23:00:00.000Z	56 \| moderate	11.646 \| good	14.504 \| good	40.004 \| good	1.346 \| good	7.025 \| good	0.174 \| good
2026-03-12T00:00:00.000Z	54 \| moderate	11.313 \| good	14.173 \| good	41.068 \| good	1.205 \| good	6.985 \| good	0.172 \| good
2026-03-12T01:00:00.000Z	54 \| moderate	11.218 \| good	14.076 \| good	35.082 \| good	1.188 \| good	10.541 \| good	0.188 \| good
2026-03-12T02:00:00.000Z	56 \| moderate	11.77 \| good	14.495 \| good	29.095 \| good	1.171 \| good	14.096 \| good	0.205 \| good
2026-03-12T03:00:00.000Z	58 \| moderate	12.819 \| fine	15.449 \| good	23.109 \| good	1.155 \| good	17.651 \| good	0.221 \| good

Belmont

Get reliable air quality data to drive your business

Belmont, California air quality map: Stay updated on AQI near you

0.36ppm

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 Belmont, California?

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

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

In the past 24 hours, the air quality in Belmont, California was at its worst at 11:00:00 on 2026-03-09.

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

In the last 24 hours, the best air quality in Belmont, California was observed at 02:00:00 on 2026-03-09.

What is the AQI in Belmont, California right now?

As of now, the AQI in Belmont, California is 36, indicating Good conditions.

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

Belmont, California air has the highest levels of O3.

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

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

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

PM_2.5 levels in Belmont, California are currently 3.741 μg/m³.

What is the PM₁₀ level in Belmont, California at the moment?

The PM₁₀ concentration in Belmont, California is 16.659 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Belmont, California is 0.167 ppm.

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

Currently, Belmont, California has a sulfur dioxide (SO₂) concentration of 0.884 ppb.

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

The current ozone (O₃) level in Belmont, California at the moment is 38.709 ppm.

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

Nitrogen dioxide (NO₂) level in Belmont, California at the moment is 9.555 ppb.

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