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

The PM10 concentration in Belmont, California is 57.519 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 0.738 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 17.776 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 8.313 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 12.928 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)

Moderate

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)

12.93 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

57.52 μg/m³

155

255

425

605+

Ozone (O₃)

17.78 ppb

201

201+

Sulfur Dioxide (SO₂)

0.74 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.31 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.45 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Belmont, California

Get Live Pollen Counts

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
2026-01-22T00:00:00.000Z	58 \| moderate	12.851 \| fine	56.947 \| fine	8.849 \| good	0.869 \| good	16.913 \| good	0.543 \| good
2026-01-22T01:00:00.000Z	60 \| moderate	13.61 \| fine	60.707 \| fine	8.868 \| good	0.835 \| good	19.045 \| good	0.595 \| good
2026-01-22T02:00:00.000Z	60 \| moderate	14.05 \| fine	62.896 \| fine	6.675 \| good	0.773 \| good	19.285 \| good	0.637 \| good
2026-01-22T03:00:00.000Z	60 \| moderate	13.996 \| fine	62.359 \| fine	5.108 \| good	0.813 \| good	20.263 \| good	0.608 \| good
2026-01-22T04:00:00.000Z	58 \| moderate	12.9 \| fine	57.224 \| fine	5.496 \| good	0.78 \| good	20.815 \| good	0.542 \| good
2026-01-22T05:00:00.000Z	58 \| moderate	13.445 \| fine	59.171 \| fine	5.455 \| good	0.78 \| good	21.33 \| good	0.597 \| good
2026-01-22T06:00:00.000Z	62 \| moderate	14.504 \| fine	63.603 \| fine	3.422 \| good	0.845 \| good	19.883 \| good	0.793 \| good
2026-01-22T07:00:00.000Z	62 \| moderate	14.623 \| fine	65.088 \| fine	5.993 \| good	0.829 \| good	20.963 \| good	0.809 \| good
2026-01-22T08:00:00.000Z	62 \| moderate	14.528 \| fine	62.273 \| fine	5.675 \| good	0.903 \| good	19.032 \| good	0.778 \| good
2026-01-22T09:00:00.000Z	60 \| moderate	13.577 \| fine	61.479 \| fine	4.56 \| good	0.831 \| good	18.374 \| good	0.68 \| good
2026-01-22T10:00:00.000Z	60 \| moderate	14.191 \| fine	60.933 \| fine	5.692 \| good	0.84 \| good	16.615 \| good	0.593 \| good
2026-01-22T11:00:00.000Z	58 \| moderate	12.745 \| fine	56.488 \| fine	4.729 \| good	0.807 \| good	16.012 \| good	0.599 \| good
2026-01-22T12:00:00.000Z	58 \| moderate	12.676 \| fine	55.536 \| fine	4.32 \| good	0.783 \| good	15.71 \| good	0.599 \| good
2026-01-22T13:00:00.000Z	56 \| moderate	12.449 \| fine	55.666 \| fine	3.576 \| good	0.792 \| good	16.136 \| good	0.614 \| good
2026-01-22T14:00:00.000Z	56 \| moderate	12.437 \| fine	53.718 \| good	3.796 \| good	0.755 \| good	14.452 \| good	0.596 \| good
2026-01-22T15:00:00.000Z	54 \| moderate	11.077 \| good	50.057 \| good	3.208 \| good	0.787 \| good	13.633 \| good	0.75 \| good
2026-01-22T16:00:00.000Z	54 \| moderate	11.369 \| good	50.523 \| good	2.605 \| good	0.76 \| good	17.049 \| good	0.984 \| good
2026-01-22T17:00:00.000Z	52 \| moderate	10.216 \| good	45.486 \| good	3.237 \| good	0.82 \| good	16.873 \| good	0.859 \| good
2026-01-22T18:00:00.000Z	64 \| moderate	15.777 \| fine	68.05 \| fine	4.322 \| good	0.955 \| good	13.086 \| good	0.592 \| good
2026-01-22T19:00:00.000Z	64 \| moderate	16.35 \| fine	72.966 \| fine	5.613 \| good	0.924 \| good	13.027 \| good	0.577 \| good
2026-01-22T20:00:00.000Z	64 \| moderate	16.163 \| fine	69.887 \| fine	5.94 \| good	1.065 \| good	13.576 \| good	0.562 \| good
2026-01-22T21:00:00.000Z	64 \| moderate	16.079 \| fine	68.858 \| fine	6.924 \| good	0.977 \| good	13.108 \| good	0.557 \| good
2026-01-22T22:00:00.000Z	62 \| moderate	14.956 \| fine	63.939 \| fine	9.356 \| good	0.79 \| good	12.253 \| good	0.455 \| good
2026-01-22T23:00:00.000Z	60 \| moderate	13.677 \| fine	61.457 \| fine	13.333 \| good	0.951 \| good	12.771 \| good	0.463 \| good
2026-01-23T00:00:00.000Z	60 \| moderate	13.78 \| fine	59.605 \| fine	16.068 \| good	0.896 \| good	11.828 \| good	0.463 \| good
2026-01-23T01:00:00.000Z	56 \| moderate	12.432 \| fine	55.033 \| fine	17.931 \| good	0.816 \| good	14.647 \| good	0.428 \| good
2026-01-23T02:00:00.000Z	58 \| moderate	12.585 \| fine	56.892 \| fine	17.88 \| good	1.324 \| good	16.213 \| good	0.508 \| good
2026-01-23T03:00:00.000Z	54 \| moderate	11.375 \| good	49.631 \| good	15.098 \| good	0.839 \| good	18.798 \| good	0.493 \| good
2026-01-23T04:00:00.000Z	54 \| moderate	10.935 \| good	48.019 \| good	14.202 \| good	0.685 \| good	17.863 \| good	0.551 \| good
2026-01-23T05:00:00.000Z	54 \| moderate	10.842 \| good	46.997 \| good	13.106 \| good	0.59 \| good	17.519 \| good	0.632 \| good
2026-01-23T06:00:00.000Z	56 \| moderate	11.66 \| good	50.374 \| good	9.813 \| good	0.502 \| good	16.847 \| good	0.614 \| good
2026-01-23T07:00:00.000Z	54 \| moderate	11.201 \| good	50.689 \| good	6.561 \| good	0.437 \| good	18.505 \| good	0.645 \| good
2026-01-23T08:00:00.000Z	58 \| moderate	12.787 \| fine	56.28 \| fine	5.833 \| good	0.453 \| good	15.202 \| good	0.568 \| good
2026-01-23T09:00:00.000Z	58 \| moderate	13.439 \| fine	56.621 \| fine	5.133 \| good	0.495 \| good	14.141 \| good	0.504 \| good
2026-01-23T10:00:00.000Z	56 \| moderate	12.5 \| fine	53.841 \| good	4.474 \| good	0.571 \| good	12.058 \| good	0.517 \| good
2026-01-23T11:00:00.000Z	58 \| moderate	12.801 \| fine	58.636 \| fine	4.291 \| good	0.55 \| good	11.492 \| good	0.459 \| good
2026-01-23T12:00:00.000Z	54 \| moderate	11.146 \| good	48.814 \| good	9.674 \| good	0.384 \| good	11.196 \| good	0.458 \| good
2026-01-23T13:00:00.000Z	54 \| moderate	10.972 \| good	48.621 \| good	5.903 \| good	0.926 \| good	10.899 \| good	0.411 \| good
2026-01-23T14:00:00.000Z	52 \| moderate	9.72 \| good	42.696 \| good	5.2 \| good	0.931 \| good	11.821 \| good	0.411 \| good
2026-01-23T15:00:00.000Z	52 \| moderate	9.752 \| good	42.668 \| good	6.302 \| good	0.896 \| good	14.016 \| good	0.476 \| good
2026-01-23T16:00:00.000Z	49 \| good	8.949 \| good	38.215 \| good	7.652 \| good	0.749 \| good	14.166 \| good	0.476 \| good
2026-01-23T17:00:00.000Z	49 \| good	8.96 \| good	41.843 \| good	8.492 \| good	0.659 \| good	11.214 \| good	0.407 \| good
2026-01-23T18:00:00.000Z	49 \| good	9.171 \| good	40.142 \| good	10.483 \| good	0.65 \| good	10.988 \| good	0.401 \| good
2026-01-23T19:00:00.000Z	54 \| moderate	11.32 \| good	51.301 \| good	11.82 \| good	0.813 \| good	7.545 \| good	0.415 \| good
2026-01-23T20:00:00.000Z	58 \| moderate	12.525 \| fine	55.401 \| fine	13.965 \| good	1.007 \| good	8.673 \| good	0.411 \| good
2026-01-23T21:00:00.000Z	56 \| moderate	11.967 \| good	54.39 \| good	15.569 \| good	0.822 \| good	8.388 \| good	0.418 \| good
2026-01-23T22:00:00.000Z	58 \| moderate	12.841 \| fine	56.852 \| fine	17.706 \| good	0.732 \| good	8.38 \| good	0.437 \| good
2026-01-23T23:00:00.000Z	58 \| moderate	12.688 \| fine	55.83 \| fine	17.829 \| good	0.847 \| good	8.013 \| good	0.413 \| good
2026-01-23T23:00:00.000Z	58 \| moderate	12.928 \| fine	57.519 \| fine	17.776 \| good	0.738 \| good	8.313 \| good	0.45 \| good
2026-01-24T00:00:00.000Z	88 \| moderate	28.586 \| fine	124.535 \| fine	16.866 \| good	2.537 \| good	9.078 \| good	0.217 \| good
2026-01-24T01:00:00.000Z	73 \| moderate	20.928 \| fine	91.826 \| fine	12.672 \| good	2.479 \| good	12.381 \| good	0.244 \| good
2026-01-24T02:00:00.000Z	67 \| moderate	17.844 \| fine	79.17 \| fine	17.174 \| good	2.42 \| good	15.683 \| good	0.27 \| good
2026-01-24T03:00:00.000Z	60 \| moderate	14.025 \| fine	63.167 \| fine	20.814 \| good	2.362 \| good	18.986 \| good	0.297 \| good
2026-01-24T04:00:00.000Z	60 \| moderate	13.949 \| fine	63.121 \| fine	21.83 \| good	2.447 \| good	19.915 \| good	0.31 \| good
2026-01-24T05:00:00.000Z	58 \| moderate	13.225 \| fine	59.469 \| fine	20.293 \| good	2.533 \| good	20.843 \| good	0.324 \| good
2026-01-24T06:00:00.000Z	58 \| moderate	13.243 \| fine	59.512 \| fine	17.299 \| good	2.618 \| good	21.772 \| good	0.337 \| good
2026-01-24T07:00:00.000Z	56 \| moderate	12.307 \| fine	55.455 \| fine	15.873 \| good	2.459 \| good	20.937 \| good	0.333 \| good
2026-01-24T08:00:00.000Z	52 \| moderate	10.04 \| good	44.804 \| good	15.889 \| good	2.299 \| good	20.101 \| good	0.33 \| good
2026-01-24T09:00:00.000Z	52 \| moderate	9.853 \| good	43.778 \| good	13.316 \| good	2.14 \| good	19.266 \| good	0.326 \| good
2026-01-24T10:00:00.000Z	44 \| good	8.347 \| good	36.388 \| good	11.807 \| good	2.129 \| good	19.377 \| good	0.325 \| good
2026-01-24T11:00:00.000Z	52 \| moderate	9.511 \| good	42.038 \| good	10.793 \| good	2.118 \| good	19.488 \| good	0.324 \| good
2026-01-24T12:00:00.000Z	54 \| moderate	10.815 \| good	47.769 \| good	7.671 \| good	2.108 \| good	19.599 \| good	0.323 \| good
2026-01-24T13:00:00.000Z	58 \| moderate	12.52 \| fine	55.619 \| fine	6.445 \| good	2.277 \| good	20.338 \| good	0.312 \| good
2026-01-24T14:00:00.000Z	58 \| moderate	13.086 \| fine	58.663 \| fine	3.919 \| good	2.446 \| good	21.076 \| good	0.302 \| good
2026-01-24T15:00:00.000Z	66 \| moderate	17.009 \| fine	75.019 \| fine	3.059 \| good	2.615 \| good	21.815 \| good	0.292 \| good
2026-01-24T16:00:00.000Z	64 \| moderate	16.13 \| fine	71.18 \| fine	7.452 \| good	2.41 \| good	19.643 \| good	0.28 \| good
2026-01-24T17:00:00.000Z	66 \| moderate	16.617 \| fine	73.382 \| fine	14.416 \| good	2.206 \| good	17.471 \| good	0.268 \| good
2026-01-24T18:00:00.000Z	58 \| moderate	13.369 \| fine	60.427 \| fine	20.248 \| good	2.002 \| good	15.299 \| good	0.255 \| good
2026-01-24T19:00:00.000Z	56 \| moderate	12.405 \| fine	55.06 \| fine	21.322 \| good	1.708 \| good	11.956 \| good	0.221 \| good
2026-01-24T20:00:00.000Z	49 \| good	8.716 \| good	38.021 \| good	24.037 \| good	1.415 \| good	8.613 \| good	0.186 \| good
2026-01-24T21:00:00.000Z	33 \| good	5.844 \| good	26.323 \| good	26.552 \| good	1.121 \| good	5.27 \| good	0.151 \| good
2026-01-24T22:00:00.000Z	27 \| good	2.757 \| good	11.664 \| good	28.691 \| good	1.125 \| good	5.958 \| good	0.151 \| good
2026-01-24T23:00:00.000Z	26 \| good	2.093 \| good	8.543 \| good	28.219 \| good	1.13 \| good	6.647 \| good	0.152 \| good
2026-01-25T00:00:00.000Z	25 \| good	2.259 \| good	9.47 \| good	27.077 \| good	1.134 \| good	7.335 \| good	0.153 \| good
2026-01-25T01:00:00.000Z	19 \| good	1.655 \| good	6.71 \| good	19.668 \| good	1.28 \| good	13.876 \| good	0.188 \| good
2026-01-25T02:00:00.000Z	22 \| good	3.836 \| good	16.927 \| good	13.793 \| good	1.426 \| good	20.416 \| good	0.222 \| good
2026-01-25T03:00:00.000Z	27 \| good	5.016 \| good	21.755 \| good	10.124 \| good	1.572 \| good	26.956 \| good	0.257 \| good
2026-01-25T04:00:00.000Z	33 \| good	5.687 \| good	24.519 \| good	7.835 \| good	1.65 \| good	28.248 \| good	0.268 \| good
2026-01-25T05:00:00.000Z	38 \| good	6.632 \| good	29.142 \| good	8.041 \| good	1.729 \| good	29.539 \| good	0.278 \| good
2026-01-25T06:00:00.000Z	33 \| good	5.598 \| good	24.324 \| good	8.623 \| good	1.808 \| good	30.831 \| good	0.289 \| good
2026-01-25T07:00:00.000Z	33 \| good	5.664 \| good	24.394 \| good	7.389 \| good	1.615 \| good	29.9 \| good	0.286 \| good
2026-01-25T08:00:00.000Z	38 \| good	6.514 \| good	28.989 \| good	7.14 \| good	1.423 \| good	28.968 \| good	0.283 \| good
2026-01-25T09:00:00.000Z	44 \| good	7.999 \| good	35.111 \| good	6.062 \| good	1.231 \| good	28.037 \| good	0.28 \| good
2026-01-25T10:00:00.000Z	44 \| good	7.765 \| good	34.059 \| good	5.075 \| good	1.124 \| good	26.629 \| good	0.27 \| good
2026-01-25T11:00:00.000Z	52 \| moderate	9.528 \| good	42.451 \| good	6.027 \| good	1.017 \| good	25.221 \| good	0.26 \| good
2026-01-25T12:00:00.000Z	44 \| good	8.358 \| good	36.82 \| good	5.776 \| good	0.91 \| good	23.812 \| good	0.25 \| good
2026-01-25T13:00:00.000Z	38 \| good	7.46 \| good	32.605 \| good	5.961 \| good	0.984 \| good	23.354 \| good	0.245 \| good
2026-01-25T14:00:00.000Z	27 \| good	5.137 \| good	22.317 \| good	5.984 \| good	1.058 \| good	22.896 \| good	0.24 \| good
2026-01-25T15:00:00.000Z	27 \| good	5.389 \| good	23.388 \| good	5.847 \| good	1.133 \| good	22.437 \| good	0.235 \| good
2026-01-25T16:00:00.000Z	33 \| good	5.943 \| good	26.055 \| good	6.683 \| good	1.248 \| good	20.821 \| good	0.249 \| good
2026-01-25T17:00:00.000Z	54 \| moderate	10.774 \| good	47.797 \| good	10.084 \| good	1.363 \| good	19.205 \| good	0.263 \| good
2026-01-25T18:00:00.000Z	52 \| moderate	10.092 \| good	44.495 \| good	13.904 \| good	1.478 \| good	17.589 \| good	0.278 \| good
2026-01-25T19:00:00.000Z	52 \| moderate	10.352 \| good	46.128 \| good	16.312 \| good	1.584 \| good	15.951 \| good	0.259 \| good
2026-01-25T20:00:00.000Z	52 \| moderate	10.191 \| good	45.004 \| good	18.23 \| good	1.69 \| good	14.313 \| good	0.241 \| good
2026-01-25T21:00:00.000Z	52 \| moderate	9.76 \| good	43.516 \| good	19.207 \| good	1.796 \| good	12.675 \| good	0.223 \| good
2026-01-25T22:00:00.000Z	49 \| good	9.135 \| good	40.455 \| good	21.526 \| good	1.825 \| good	13.619 \| good	0.227 \| good
2026-01-25T23:00:00.000Z	54 \| moderate	10.961 \| good	48.78 \| good	21.781 \| good	1.855 \| good	14.564 \| good	0.231 \| good

Belmont

Get reliable air quality data to drive your business

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

0.39ppm

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

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 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 12:00:00 on 2026-01-23.

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 06:00:00 on 2026-01-23.

What is the AQI in Belmont, California right now?

As of now, the AQI in Belmont, California is 58, indicating Moderate conditions.

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

Belmont, California air has the highest levels of PM2.5.

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 12.928 μg/m³.

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

The PM₁₀ concentration in Belmont, California is 57.519 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 0.45 ppm.

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

Currently, Belmont, California has a sulfur dioxide (SO₂) concentration of 0.738 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 17.776 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 8.313 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-22T00:00:00.000Z	58 \| moderate	12.851 \| fine	56.947 \| fine	8.849 \| good	0.869 \| good	16.913 \| good	0.543 \| good
2026-01-22T01:00:00.000Z	60 \| moderate	13.61 \| fine	60.707 \| fine	8.868 \| good	0.835 \| good	19.045 \| good	0.595 \| good
2026-01-22T02:00:00.000Z	60 \| moderate	14.05 \| fine	62.896 \| fine	6.675 \| good	0.773 \| good	19.285 \| good	0.637 \| good
2026-01-22T03:00:00.000Z	60 \| moderate	13.996 \| fine	62.359 \| fine	5.108 \| good	0.813 \| good	20.263 \| good	0.608 \| good
2026-01-22T04:00:00.000Z	58 \| moderate	12.9 \| fine	57.224 \| fine	5.496 \| good	0.78 \| good	20.815 \| good	0.542 \| good
2026-01-22T05:00:00.000Z	58 \| moderate	13.445 \| fine	59.171 \| fine	5.455 \| good	0.78 \| good	21.33 \| good	0.597 \| good
2026-01-22T06:00:00.000Z	62 \| moderate	14.504 \| fine	63.603 \| fine	3.422 \| good	0.845 \| good	19.883 \| good	0.793 \| good
2026-01-22T07:00:00.000Z	62 \| moderate	14.623 \| fine	65.088 \| fine	5.993 \| good	0.829 \| good	20.963 \| good	0.809 \| good
2026-01-22T08:00:00.000Z	62 \| moderate	14.528 \| fine	62.273 \| fine	5.675 \| good	0.903 \| good	19.032 \| good	0.778 \| good
2026-01-22T09:00:00.000Z	60 \| moderate	13.577 \| fine	61.479 \| fine	4.56 \| good	0.831 \| good	18.374 \| good	0.68 \| good
2026-01-22T10:00:00.000Z	60 \| moderate	14.191 \| fine	60.933 \| fine	5.692 \| good	0.84 \| good	16.615 \| good	0.593 \| good
2026-01-22T11:00:00.000Z	58 \| moderate	12.745 \| fine	56.488 \| fine	4.729 \| good	0.807 \| good	16.012 \| good	0.599 \| good
2026-01-22T12:00:00.000Z	58 \| moderate	12.676 \| fine	55.536 \| fine	4.32 \| good	0.783 \| good	15.71 \| good	0.599 \| good
2026-01-22T13:00:00.000Z	56 \| moderate	12.449 \| fine	55.666 \| fine	3.576 \| good	0.792 \| good	16.136 \| good	0.614 \| good
2026-01-22T14:00:00.000Z	56 \| moderate	12.437 \| fine	53.718 \| good	3.796 \| good	0.755 \| good	14.452 \| good	0.596 \| good
2026-01-22T15:00:00.000Z	54 \| moderate	11.077 \| good	50.057 \| good	3.208 \| good	0.787 \| good	13.633 \| good	0.75 \| good
2026-01-22T16:00:00.000Z	54 \| moderate	11.369 \| good	50.523 \| good	2.605 \| good	0.76 \| good	17.049 \| good	0.984 \| good
2026-01-22T17:00:00.000Z	52 \| moderate	10.216 \| good	45.486 \| good	3.237 \| good	0.82 \| good	16.873 \| good	0.859 \| good
2026-01-22T18:00:00.000Z	64 \| moderate	15.777 \| fine	68.05 \| fine	4.322 \| good	0.955 \| good	13.086 \| good	0.592 \| good
2026-01-22T19:00:00.000Z	64 \| moderate	16.35 \| fine	72.966 \| fine	5.613 \| good	0.924 \| good	13.027 \| good	0.577 \| good
2026-01-22T20:00:00.000Z	64 \| moderate	16.163 \| fine	69.887 \| fine	5.94 \| good	1.065 \| good	13.576 \| good	0.562 \| good
2026-01-22T21:00:00.000Z	64 \| moderate	16.079 \| fine	68.858 \| fine	6.924 \| good	0.977 \| good	13.108 \| good	0.557 \| good
2026-01-22T22:00:00.000Z	62 \| moderate	14.956 \| fine	63.939 \| fine	9.356 \| good	0.79 \| good	12.253 \| good	0.455 \| good
2026-01-22T23:00:00.000Z	60 \| moderate	13.677 \| fine	61.457 \| fine	13.333 \| good	0.951 \| good	12.771 \| good	0.463 \| good
2026-01-23T00:00:00.000Z	60 \| moderate	13.78 \| fine	59.605 \| fine	16.068 \| good	0.896 \| good	11.828 \| good	0.463 \| good
2026-01-23T01:00:00.000Z	56 \| moderate	12.432 \| fine	55.033 \| fine	17.931 \| good	0.816 \| good	14.647 \| good	0.428 \| good
2026-01-23T02:00:00.000Z	58 \| moderate	12.585 \| fine	56.892 \| fine	17.88 \| good	1.324 \| good	16.213 \| good	0.508 \| good
2026-01-23T03:00:00.000Z	54 \| moderate	11.375 \| good	49.631 \| good	15.098 \| good	0.839 \| good	18.798 \| good	0.493 \| good
2026-01-23T04:00:00.000Z	54 \| moderate	10.935 \| good	48.019 \| good	14.202 \| good	0.685 \| good	17.863 \| good	0.551 \| good
2026-01-23T05:00:00.000Z	54 \| moderate	10.842 \| good	46.997 \| good	13.106 \| good	0.59 \| good	17.519 \| good	0.632 \| good
2026-01-23T06:00:00.000Z	56 \| moderate	11.66 \| good	50.374 \| good	9.813 \| good	0.502 \| good	16.847 \| good	0.614 \| good
2026-01-23T07:00:00.000Z	54 \| moderate	11.201 \| good	50.689 \| good	6.561 \| good	0.437 \| good	18.505 \| good	0.645 \| good
2026-01-23T08:00:00.000Z	58 \| moderate	12.787 \| fine	56.28 \| fine	5.833 \| good	0.453 \| good	15.202 \| good	0.568 \| good
2026-01-23T09:00:00.000Z	58 \| moderate	13.439 \| fine	56.621 \| fine	5.133 \| good	0.495 \| good	14.141 \| good	0.504 \| good
2026-01-23T10:00:00.000Z	56 \| moderate	12.5 \| fine	53.841 \| good	4.474 \| good	0.571 \| good	12.058 \| good	0.517 \| good
2026-01-23T11:00:00.000Z	58 \| moderate	12.801 \| fine	58.636 \| fine	4.291 \| good	0.55 \| good	11.492 \| good	0.459 \| good
2026-01-23T12:00:00.000Z	54 \| moderate	11.146 \| good	48.814 \| good	9.674 \| good	0.384 \| good	11.196 \| good	0.458 \| good
2026-01-23T13:00:00.000Z	54 \| moderate	10.972 \| good	48.621 \| good	5.903 \| good	0.926 \| good	10.899 \| good	0.411 \| good
2026-01-23T14:00:00.000Z	52 \| moderate	9.72 \| good	42.696 \| good	5.2 \| good	0.931 \| good	11.821 \| good	0.411 \| good
2026-01-23T15:00:00.000Z	52 \| moderate	9.752 \| good	42.668 \| good	6.302 \| good	0.896 \| good	14.016 \| good	0.476 \| good
2026-01-23T16:00:00.000Z	49 \| good	8.949 \| good	38.215 \| good	7.652 \| good	0.749 \| good	14.166 \| good	0.476 \| good
2026-01-23T17:00:00.000Z	49 \| good	8.96 \| good	41.843 \| good	8.492 \| good	0.659 \| good	11.214 \| good	0.407 \| good
2026-01-23T18:00:00.000Z	49 \| good	9.171 \| good	40.142 \| good	10.483 \| good	0.65 \| good	10.988 \| good	0.401 \| good
2026-01-23T19:00:00.000Z	54 \| moderate	11.32 \| good	51.301 \| good	11.82 \| good	0.813 \| good	7.545 \| good	0.415 \| good
2026-01-23T20:00:00.000Z	58 \| moderate	12.525 \| fine	55.401 \| fine	13.965 \| good	1.007 \| good	8.673 \| good	0.411 \| good
2026-01-23T21:00:00.000Z	56 \| moderate	11.967 \| good	54.39 \| good	15.569 \| good	0.822 \| good	8.388 \| good	0.418 \| good
2026-01-23T22:00:00.000Z	58 \| moderate	12.841 \| fine	56.852 \| fine	17.706 \| good	0.732 \| good	8.38 \| good	0.437 \| good
2026-01-23T23:00:00.000Z	58 \| moderate	12.688 \| fine	55.83 \| fine	17.829 \| good	0.847 \| good	8.013 \| good	0.413 \| good
2026-01-23T23:00:00.000Z	58 \| moderate	12.928 \| fine	57.519 \| fine	17.776 \| good	0.738 \| good	8.313 \| good	0.45 \| good
2026-01-24T00:00:00.000Z	88 \| moderate	28.586 \| fine	124.535 \| fine	16.866 \| good	2.537 \| good	9.078 \| good	0.217 \| good
2026-01-24T01:00:00.000Z	73 \| moderate	20.928 \| fine	91.826 \| fine	12.672 \| good	2.479 \| good	12.381 \| good	0.244 \| good
2026-01-24T02:00:00.000Z	67 \| moderate	17.844 \| fine	79.17 \| fine	17.174 \| good	2.42 \| good	15.683 \| good	0.27 \| good
2026-01-24T03:00:00.000Z	60 \| moderate	14.025 \| fine	63.167 \| fine	20.814 \| good	2.362 \| good	18.986 \| good	0.297 \| good
2026-01-24T04:00:00.000Z	60 \| moderate	13.949 \| fine	63.121 \| fine	21.83 \| good	2.447 \| good	19.915 \| good	0.31 \| good
2026-01-24T05:00:00.000Z	58 \| moderate	13.225 \| fine	59.469 \| fine	20.293 \| good	2.533 \| good	20.843 \| good	0.324 \| good
2026-01-24T06:00:00.000Z	58 \| moderate	13.243 \| fine	59.512 \| fine	17.299 \| good	2.618 \| good	21.772 \| good	0.337 \| good
2026-01-24T07:00:00.000Z	56 \| moderate	12.307 \| fine	55.455 \| fine	15.873 \| good	2.459 \| good	20.937 \| good	0.333 \| good
2026-01-24T08:00:00.000Z	52 \| moderate	10.04 \| good	44.804 \| good	15.889 \| good	2.299 \| good	20.101 \| good	0.33 \| good
2026-01-24T09:00:00.000Z	52 \| moderate	9.853 \| good	43.778 \| good	13.316 \| good	2.14 \| good	19.266 \| good	0.326 \| good
2026-01-24T10:00:00.000Z	44 \| good	8.347 \| good	36.388 \| good	11.807 \| good	2.129 \| good	19.377 \| good	0.325 \| good
2026-01-24T11:00:00.000Z	52 \| moderate	9.511 \| good	42.038 \| good	10.793 \| good	2.118 \| good	19.488 \| good	0.324 \| good
2026-01-24T12:00:00.000Z	54 \| moderate	10.815 \| good	47.769 \| good	7.671 \| good	2.108 \| good	19.599 \| good	0.323 \| good
2026-01-24T13:00:00.000Z	58 \| moderate	12.52 \| fine	55.619 \| fine	6.445 \| good	2.277 \| good	20.338 \| good	0.312 \| good
2026-01-24T14:00:00.000Z	58 \| moderate	13.086 \| fine	58.663 \| fine	3.919 \| good	2.446 \| good	21.076 \| good	0.302 \| good
2026-01-24T15:00:00.000Z	66 \| moderate	17.009 \| fine	75.019 \| fine	3.059 \| good	2.615 \| good	21.815 \| good	0.292 \| good
2026-01-24T16:00:00.000Z	64 \| moderate	16.13 \| fine	71.18 \| fine	7.452 \| good	2.41 \| good	19.643 \| good	0.28 \| good
2026-01-24T17:00:00.000Z	66 \| moderate	16.617 \| fine	73.382 \| fine	14.416 \| good	2.206 \| good	17.471 \| good	0.268 \| good
2026-01-24T18:00:00.000Z	58 \| moderate	13.369 \| fine	60.427 \| fine	20.248 \| good	2.002 \| good	15.299 \| good	0.255 \| good
2026-01-24T19:00:00.000Z	56 \| moderate	12.405 \| fine	55.06 \| fine	21.322 \| good	1.708 \| good	11.956 \| good	0.221 \| good
2026-01-24T20:00:00.000Z	49 \| good	8.716 \| good	38.021 \| good	24.037 \| good	1.415 \| good	8.613 \| good	0.186 \| good
2026-01-24T21:00:00.000Z	33 \| good	5.844 \| good	26.323 \| good	26.552 \| good	1.121 \| good	5.27 \| good	0.151 \| good
2026-01-24T22:00:00.000Z	27 \| good	2.757 \| good	11.664 \| good	28.691 \| good	1.125 \| good	5.958 \| good	0.151 \| good
2026-01-24T23:00:00.000Z	26 \| good	2.093 \| good	8.543 \| good	28.219 \| good	1.13 \| good	6.647 \| good	0.152 \| good
2026-01-25T00:00:00.000Z	25 \| good	2.259 \| good	9.47 \| good	27.077 \| good	1.134 \| good	7.335 \| good	0.153 \| good
2026-01-25T01:00:00.000Z	19 \| good	1.655 \| good	6.71 \| good	19.668 \| good	1.28 \| good	13.876 \| good	0.188 \| good
2026-01-25T02:00:00.000Z	22 \| good	3.836 \| good	16.927 \| good	13.793 \| good	1.426 \| good	20.416 \| good	0.222 \| good
2026-01-25T03:00:00.000Z	27 \| good	5.016 \| good	21.755 \| good	10.124 \| good	1.572 \| good	26.956 \| good	0.257 \| good
2026-01-25T04:00:00.000Z	33 \| good	5.687 \| good	24.519 \| good	7.835 \| good	1.65 \| good	28.248 \| good	0.268 \| good
2026-01-25T05:00:00.000Z	38 \| good	6.632 \| good	29.142 \| good	8.041 \| good	1.729 \| good	29.539 \| good	0.278 \| good
2026-01-25T06:00:00.000Z	33 \| good	5.598 \| good	24.324 \| good	8.623 \| good	1.808 \| good	30.831 \| good	0.289 \| good
2026-01-25T07:00:00.000Z	33 \| good	5.664 \| good	24.394 \| good	7.389 \| good	1.615 \| good	29.9 \| good	0.286 \| good
2026-01-25T08:00:00.000Z	38 \| good	6.514 \| good	28.989 \| good	7.14 \| good	1.423 \| good	28.968 \| good	0.283 \| good
2026-01-25T09:00:00.000Z	44 \| good	7.999 \| good	35.111 \| good	6.062 \| good	1.231 \| good	28.037 \| good	0.28 \| good
2026-01-25T10:00:00.000Z	44 \| good	7.765 \| good	34.059 \| good	5.075 \| good	1.124 \| good	26.629 \| good	0.27 \| good
2026-01-25T11:00:00.000Z	52 \| moderate	9.528 \| good	42.451 \| good	6.027 \| good	1.017 \| good	25.221 \| good	0.26 \| good
2026-01-25T12:00:00.000Z	44 \| good	8.358 \| good	36.82 \| good	5.776 \| good	0.91 \| good	23.812 \| good	0.25 \| good
2026-01-25T13:00:00.000Z	38 \| good	7.46 \| good	32.605 \| good	5.961 \| good	0.984 \| good	23.354 \| good	0.245 \| good
2026-01-25T14:00:00.000Z	27 \| good	5.137 \| good	22.317 \| good	5.984 \| good	1.058 \| good	22.896 \| good	0.24 \| good
2026-01-25T15:00:00.000Z	27 \| good	5.389 \| good	23.388 \| good	5.847 \| good	1.133 \| good	22.437 \| good	0.235 \| good
2026-01-25T16:00:00.000Z	33 \| good	5.943 \| good	26.055 \| good	6.683 \| good	1.248 \| good	20.821 \| good	0.249 \| good
2026-01-25T17:00:00.000Z	54 \| moderate	10.774 \| good	47.797 \| good	10.084 \| good	1.363 \| good	19.205 \| good	0.263 \| good
2026-01-25T18:00:00.000Z	52 \| moderate	10.092 \| good	44.495 \| good	13.904 \| good	1.478 \| good	17.589 \| good	0.278 \| good
2026-01-25T19:00:00.000Z	52 \| moderate	10.352 \| good	46.128 \| good	16.312 \| good	1.584 \| good	15.951 \| good	0.259 \| good
2026-01-25T20:00:00.000Z	52 \| moderate	10.191 \| good	45.004 \| good	18.23 \| good	1.69 \| good	14.313 \| good	0.241 \| good
2026-01-25T21:00:00.000Z	52 \| moderate	9.76 \| good	43.516 \| good	19.207 \| good	1.796 \| good	12.675 \| good	0.223 \| good
2026-01-25T22:00:00.000Z	49 \| good	9.135 \| good	40.455 \| good	21.526 \| good	1.825 \| good	13.619 \| good	0.227 \| good
2026-01-25T23:00:00.000Z	54 \| moderate	10.961 \| good	48.78 \| good	21.781 \| good	1.855 \| good	14.564 \| good	0.231 \| good

Live air quality index in Belmont, California today

Major air pollutants in Belmont, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Belmont, California air quality forecast and history

Get reliable air quality data to drive your business

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

Air quality in nearby cities

San Carlos, California

Foster City, California

Redwood City, California

San Mateo, California

North Fair Oaks, California

Burlingame, California

How accurate is California, USA air quality data?

Air quality levels in US

Frequently asked questions

How often is air quality information updated for Belmont, California?

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

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

What is the AQI in Belmont, California right now?

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

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

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

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

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

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

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

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

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 Belmont, California at the moment?

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

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

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

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