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

The PM10 concentration in Belmont, California is 33.413 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 0.453 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 5.53 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 9.732 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 10.464 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)

10.46 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

33.41 μg/m³

155

255

425

605+

Ozone (O₃)

5.53 ppb

201

201+

Sulfur Dioxide (SO₂)

0.45 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

9.73 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.33 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
2025-12-05T15:00:00.000Z	56 \| moderate	12.468 \| fine	50.135 \| good	6.351 \| good	0.455 \| good	19.703 \| good	0.615 \| good
2025-12-05T16:00:00.000Z	56 \| moderate	12.323 \| fine	45.957 \| good	5.487 \| good	0.438 \| good	15.389 \| good	0.81 \| good
2025-12-05T17:00:00.000Z	64 \| moderate	16.404 \| fine	71.346 \| fine	5.575 \| good	0.419 \| good	15.004 \| good	0.755 \| good
2025-12-05T18:00:00.000Z	62 \| moderate	15.393 \| fine	60.739 \| fine	10.778 \| good	0.464 \| good	11.911 \| good	0.607 \| good
2025-12-05T19:00:00.000Z	66 \| moderate	17.207 \| fine	71.549 \| fine	10.688 \| good	0.484 \| good	11.23 \| good	0.428 \| good
2025-12-05T20:00:00.000Z	69 \| moderate	19.026 \| fine	46.858 \| good	12.843 \| good	0.434 \| good	11.497 \| good	0.342 \| good
2025-12-05T21:00:00.000Z	67 \| moderate	18.162 \| fine	27.122 \| good	13.246 \| good	0.411 \| good	10.06 \| good	0.328 \| good
2025-12-05T22:00:00.000Z	66 \| moderate	16.771 \| fine	41.297 \| good	14.676 \| good	0.533 \| good	11 \| good	0.27 \| good
2025-12-05T23:00:00.000Z	73 \| moderate	20.881 \| fine	43.581 \| good	13.259 \| good	0.499 \| good	8.376 \| good	0.274 \| good
2025-12-06T00:00:00.000Z	64 \| moderate	16.213 \| fine	79.249 \| fine	12.999 \| good	0.485 \| good	11.164 \| good	0.256 \| good
2025-12-06T01:00:00.000Z	66 \| moderate	16.687 \| fine	74.624 \| fine	15.116 \| good	0.441 \| good	12.38 \| good	0.26 \| good
2025-12-06T02:00:00.000Z	67 \| moderate	18.219 \| fine	69.407 \| fine	12.789 \| good	0.369 \| good	14.866 \| good	0.306 \| good
2025-12-06T03:00:00.000Z	67 \| moderate	18.264 \| fine	76.721 \| fine	9.994 \| good	0.337 \| good	16.48 \| good	0.404 \| good
2025-12-06T04:00:00.000Z	69 \| moderate	19.494 \| fine	76.884 \| fine	10.957 \| good	0.35 \| good	16.035 \| good	0.479 \| good
2025-12-06T05:00:00.000Z	67 \| moderate	17.359 \| fine	88.212 \| fine	14.344 \| good	0.433 \| good	14.904 \| good	0.48 \| good
2025-12-06T06:00:00.000Z	66 \| moderate	16.583 \| fine	81.024 \| fine	12.833 \| good	0.399 \| good	11.799 \| good	0.541 \| good
2025-12-06T07:00:00.000Z	71 \| moderate	19.696 \| fine	75.612 \| fine	13.8 \| good	0.415 \| good	13.895 \| good	0.512 \| good
2025-12-06T08:00:00.000Z	71 \| moderate	19.891 \| fine	48.533 \| good	13.656 \| good	0.384 \| good	12.246 \| good	0.375 \| good
2025-12-06T09:00:00.000Z	71 \| moderate	20.121 \| fine	71.67 \| fine	14.093 \| good	0.404 \| good	12.3 \| good	0.376 \| good
2025-12-06T10:00:00.000Z	75 \| moderate	21.682 \| fine	97.576 \| fine	10.242 \| good	0.932 \| good	11.181 \| good	0.43 \| good
2025-12-06T11:00:00.000Z	56 \| moderate	12.38 \| fine	52.997 \| good	4.873 \| good	0.86 \| good	7.401 \| good	0.382 \| good
2025-12-06T12:00:00.000Z	68 \| moderate	14.592 \| fine	88.617 \| fine	5.027 \| good	0.316 \| good	8.184 \| good	0.371 \| good
2025-12-06T13:00:00.000Z	60 \| moderate	14.182 \| fine	60.734 \| fine	6.109 \| good	0.365 \| good	11.484 \| good	0.303 \| good
2025-12-06T14:00:00.000Z	58 \| moderate	13.436 \| fine	36.202 \| good	5.298 \| good	0.523 \| good	10.995 \| good	0.205 \| good
2025-12-06T15:00:00.000Z	64 \| moderate	15.661 \| fine	54.967 \| good	6.872 \| good	0.406 \| good	9.291 \| good	0.262 \| good
2025-12-06T16:00:00.000Z	64 \| moderate	15.652 \| fine	75.251 \| fine	3.9 \| good	0.373 \| good	7.952 \| good	0.294 \| good
2025-12-06T17:00:00.000Z	64 \| moderate	16.277 \| fine	72.902 \| fine	6.226 \| good	0.426 \| good	7.081 \| good	0.259 \| good
2025-12-06T18:00:00.000Z	64 \| moderate	16.33 \| fine	57.323 \| fine	8.067 \| good	0.516 \| good	6.653 \| good	0.297 \| good
2025-12-06T19:00:00.000Z	73 \| moderate	21.237 \| fine	96.446 \| fine	8.549 \| good	0.578 \| good	5.602 \| good	0.35 \| good
2025-12-06T20:00:00.000Z	73 \| moderate	21.275 \| fine	71.757 \| fine	8.831 \| good	0.558 \| good	6.521 \| good	0.332 \| good
2025-12-06T21:00:00.000Z	75 \| moderate	21.828 \| fine	51.58 \| good	9.852 \| good	0.572 \| good	7.384 \| good	0.351 \| good
2025-12-06T22:00:00.000Z	75 \| moderate	22.159 \| fine	93.756 \| fine	10.986 \| good	0.579 \| good	7.31 \| good	0.332 \| good
2025-12-06T23:00:00.000Z	71 \| moderate	19.539 \| fine	65.879 \| fine	10.278 \| good	0.493 \| good	6.905 \| good	0.298 \| good
2025-12-07T00:00:00.000Z	66 \| moderate	16.528 \| fine	73.694 \| fine	12.283 \| good	0.514 \| good	7.328 \| good	0.298 \| good
2025-12-07T01:00:00.000Z	64 \| moderate	15.7 \| fine	69.21 \| fine	13.064 \| good	0.444 \| good	9.51 \| good	0.319 \| good
2025-12-07T02:00:00.000Z	69 \| moderate	19.074 \| fine	58.927 \| fine	11.453 \| good	0.39 \| good	9.986 \| good	0.353 \| good
2025-12-07T03:00:00.000Z	60 \| moderate	14.079 \| fine	41.872 \| good	8.985 \| good	0.329 \| good	12.144 \| good	0.379 \| good
2025-12-07T04:00:00.000Z	56 \| moderate	11.955 \| good	32.778 \| good	13.396 \| good	0.318 \| good	12.044 \| good	0.502 \| good
2025-12-07T05:00:00.000Z	60 \| moderate	14.079 \| fine	24.015 \| good	9.842 \| good	0.278 \| good	10.168 \| good	0.545 \| good
2025-12-07T06:00:00.000Z	56 \| moderate	11.946 \| good	47.771 \| good	6.505 \| good	0.269 \| good	8.972 \| good	0.545 \| good
2025-12-07T07:00:00.000Z	67 \| moderate	18.365 \| fine	66.302 \| fine	8.163 \| good	0.269 \| good	9.184 \| good	0.53 \| good
2025-12-07T08:00:00.000Z	64 \| moderate	16.272 \| fine	68.538 \| fine	6.329 \| good	0.273 \| good	9.243 \| good	0.559 \| good
2025-12-07T09:00:00.000Z	66 \| moderate	17.094 \| fine	68.09 \| fine	8.761 \| good	0.324 \| good	8.122 \| good	0.49 \| good
2025-12-07T10:00:00.000Z	77 \| moderate	22.59 \| fine	93.139 \| fine	8.236 \| good	0.476 \| good	4.145 \| good	0.267 \| good
2025-12-07T11:00:00.000Z	56 \| moderate	12.11 \| fine	39.242 \| good	9.659 \| good	0.504 \| good	3.408 \| good	0.256 \| good
2025-12-07T12:00:00.000Z	64 \| moderate	16.192 \| fine	61.364 \| fine	5.154 \| good	0.338 \| good	7.356 \| good	0.22 \| good
2025-12-07T13:00:00.000Z	71 \| moderate	19.52 \| fine	84.237 \| fine	7.911 \| good	0.362 \| good	11.667 \| good	0.308 \| good
2025-12-07T14:00:00.000Z	58 \| moderate	12.552 \| fine	48.986 \| good	8.509 \| good	0.445 \| good	10.965 \| good	0.45 \| good
2025-12-07T14:00:00.000Z	52 \| moderate	10.464 \| good	33.413 \| good	5.53 \| good	0.453 \| good	9.732 \| good	0.329 \| good
2025-12-07T15:00:00.000Z	62 \| moderate	14.897 \| fine	66.909 \| fine	4.145 \| good	1.428 \| good	16.762 \| good	0.243 \| good
2025-12-07T16:00:00.000Z	62 \| moderate	14.731 \| fine	66.183 \| fine	5.247 \| good	1.595 \| good	15.638 \| good	0.248 \| good
2025-12-07T17:00:00.000Z	66 \| moderate	16.616 \| fine	73.807 \| fine	4.495 \| good	1.762 \| good	14.515 \| good	0.254 \| good
2025-12-07T18:00:00.000Z	71 \| moderate	19.633 \| fine	86.32 \| fine	4.336 \| good	1.929 \| good	13.392 \| good	0.259 \| good
2025-12-07T19:00:00.000Z	71 \| moderate	20.407 \| fine	90.225 \| fine	5.836 \| good	2.083 \| good	12.451 \| good	0.237 \| good
2025-12-07T20:00:00.000Z	71 \| moderate	20.141 \| fine	88.984 \| fine	6.196 \| good	2.236 \| good	11.51 \| good	0.215 \| good
2025-12-07T21:00:00.000Z	67 \| moderate	18.335 \| fine	80.753 \| fine	6.598 \| good	2.39 \| good	10.569 \| good	0.193 \| good
2025-12-07T22:00:00.000Z	62 \| moderate	15.196 \| fine	67.499 \| fine	8.52 \| good	2.24 \| good	11.478 \| good	0.186 \| good
2025-12-07T23:00:00.000Z	58 \| moderate	13.272 \| fine	59.287 \| fine	10.168 \| good	2.09 \| good	12.387 \| good	0.18 \| good
2025-12-08T00:00:00.000Z	54 \| moderate	11.151 \| good	49.734 \| good	11.23 \| good	1.94 \| good	13.296 \| good	0.174 \| good
2025-12-08T01:00:00.000Z	44 \| good	8.152 \| good	36.017 \| good	9.674 \| good	1.846 \| good	14.261 \| good	0.197 \| good
2025-12-08T02:00:00.000Z	38 \| good	7.442 \| good	32.914 \| good	7.5 \| good	1.753 \| good	15.226 \| good	0.221 \| good
2025-12-08T03:00:00.000Z	44 \| good	7.872 \| good	34.6 \| good	6.453 \| good	1.659 \| good	16.192 \| good	0.244 \| good
2025-12-08T04:00:00.000Z	33 \| good	6.445 \| good	28.384 \| good	5.649 \| good	1.771 \| good	16.052 \| good	0.25 \| good
2025-12-08T05:00:00.000Z	27 \| good	5.391 \| good	23.645 \| good	5.249 \| good	1.882 \| good	15.911 \| good	0.256 \| good
2025-12-08T06:00:00.000Z	16 \| good	3.498 \| good	14.979 \| good	3.475 \| good	1.994 \| good	15.771 \| good	0.262 \| good
2025-12-08T07:00:00.000Z	27 \| good	4.897 \| good	21.536 \| good	1.441 \| good	1.92 \| good	15.672 \| good	0.261 \| good
2025-12-08T08:00:00.000Z	49 \| good	8.526 \| good	37.804 \| good	2.284 \| good	1.846 \| good	15.573 \| good	0.26 \| good
2025-12-08T09:00:00.000Z	58 \| moderate	12.567 \| fine	55.956 \| fine	1.85 \| good	1.772 \| good	15.474 \| good	0.259 \| good
2025-12-08T10:00:00.000Z	58 \| moderate	12.96 \| fine	58.351 \| fine	1.537 \| good	1.7 \| good	14.92 \| good	0.256 \| good
2025-12-08T11:00:00.000Z	60 \| moderate	14.399 \| fine	64.248 \| fine	1.365 \| good	1.629 \| good	14.367 \| good	0.252 \| good
2025-12-08T12:00:00.000Z	64 \| moderate	16.252 \| fine	72.615 \| fine	1.441 \| good	1.557 \| good	13.813 \| good	0.249 \| good
2025-12-08T13:00:00.000Z	66 \| moderate	16.82 \| fine	75.046 \| fine	1.648 \| good	1.692 \| good	13.567 \| good	0.256 \| good
2025-12-08T14:00:00.000Z	67 \| moderate	18.473 \| fine	82.352 \| fine	1.001 \| good	1.827 \| good	13.321 \| good	0.263 \| good
2025-12-08T15:00:00.000Z	66 \| moderate	16.995 \| fine	74.982 \| fine	2.234 \| good	1.962 \| good	13.075 \| good	0.271 \| good
2025-12-08T16:00:00.000Z	67 \| moderate	17.696 \| fine	78.982 \| fine	5.035 \| good	2.553 \| good	13.368 \| good	0.262 \| good
2025-12-08T17:00:00.000Z	67 \| moderate	17.952 \| fine	79.151 \| fine	7.066 \| good	3.143 \| good	13.661 \| good	0.254 \| good
2025-12-08T18:00:00.000Z	73 \| moderate	21.126 \| fine	92.968 \| fine	6.148 \| good	3.734 \| good	13.953 \| good	0.246 \| good
2025-12-08T19:00:00.000Z	77 \| moderate	23.409 \| fine	102.44 \| fine	6.515 \| good	3.51 \| good	12.485 \| good	0.221 \| good
2025-12-08T20:00:00.000Z	81 \| moderate	25.295 \| fine	109.686 \| fine	6.328 \| good	3.285 \| good	11.016 \| good	0.196 \| good
2025-12-08T21:00:00.000Z	84 \| moderate	27.27 \| fine	118.773 \| fine	4.759 \| good	3.061 \| good	9.548 \| good	0.171 \| good
2025-12-08T22:00:00.000Z	81 \| moderate	25.066 \| fine	109.644 \| fine	4.672 \| good	2.743 \| good	9.883 \| good	0.167 \| good
2025-12-08T23:00:00.000Z	71 \| moderate	20.377 \| fine	90.092 \| fine	4.116 \| good	2.425 \| good	10.218 \| good	0.163 \| good
2025-12-09T00:00:00.000Z	58 \| moderate	13.399 \| fine	60.066 \| fine	8.357 \| good	2.108 \| good	10.554 \| good	0.159 \| good
2025-12-09T01:00:00.000Z	54 \| moderate	11.174 \| good	49.482 \| good	10.165 \| good	1.918 \| good	12.189 \| good	0.185 \| good
2025-12-09T02:00:00.000Z	49 \| good	9.024 \| good	39.913 \| good	8.766 \| good	1.728 \| good	13.825 \| good	0.212 \| good
2025-12-09T03:00:00.000Z	49 \| good	8.546 \| good	38.016 \| good	6.146 \| good	1.539 \| good	15.46 \| good	0.238 \| good
2025-12-09T04:00:00.000Z	38 \| good	7.369 \| good	32.911 \| good	4.102 \| good	1.599 \| good	14.442 \| good	0.243 \| good
2025-12-09T05:00:00.000Z	38 \| good	6.852 \| good	30.13 \| good	3.574 \| good	1.659 \| good	13.424 \| good	0.248 \| good
2025-12-09T06:00:00.000Z	27 \| good	5.238 \| good	22.976 \| good	4.249 \| good	1.72 \| good	12.405 \| good	0.253 \| good
2025-12-09T07:00:00.000Z	22 \| good	4.037 \| good	17.182 \| good	4.174 \| good	1.64 \| good	11.895 \| good	0.253 \| good
2025-12-09T08:00:00.000Z	22 \| good	3.847 \| good	16.543 \| good	3.252 \| good	1.56 \| good	11.384 \| good	0.253 \| good
2025-12-09T09:00:00.000Z	44 \| good	7.531 \| good	33.636 \| good	2.435 \| good	1.481 \| good	10.873 \| good	0.253 \| good
2025-12-09T10:00:00.000Z	52 \| moderate	9.745 \| good	42.86 \| good	1.609 \| good	1.368 \| good	10.267 \| good	0.244 \| good
2025-12-09T11:00:00.000Z	52 \| moderate	10.405 \| good	45.91 \| good	1.063 \| good	1.255 \| good	9.662 \| good	0.235 \| good
2025-12-09T12:00:00.000Z	56 \| moderate	11.757 \| good	52.346 \| good	0.572 \| good	1.142 \| good	9.056 \| good	0.226 \| good
2025-12-09T13:00:00.000Z	56 \| moderate	11.931 \| good	52.915 \| good	0.353 \| good	1.227 \| good	9.377 \| good	0.226 \| good
2025-12-09T14:00:00.000Z	60 \| moderate	14.067 \| fine	63.179 \| fine	0.231 \| good	1.312 \| good	9.699 \| good	0.226 \| good

Belmont

Get reliable air quality data to drive your business

Belmont, 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 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 10:00:00 on 2025-12-07.

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 11:00:00 on 2025-12-07.

What is the AQI in Belmont, California right now?

As of now, the AQI in Belmont, California is 52, 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 10.464 μg/m³.

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

The PM₁₀ concentration in Belmont, California is 33.413 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 0.329 ppm.

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

Currently, Belmont, California has a sulfur dioxide (SO₂) concentration of 0.453 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 5.53 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 9.732 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T15:00:00.000Z	56 \| moderate	12.468 \| fine	50.135 \| good	6.351 \| good	0.455 \| good	19.703 \| good	0.615 \| good
2025-12-05T16:00:00.000Z	56 \| moderate	12.323 \| fine	45.957 \| good	5.487 \| good	0.438 \| good	15.389 \| good	0.81 \| good
2025-12-05T17:00:00.000Z	64 \| moderate	16.404 \| fine	71.346 \| fine	5.575 \| good	0.419 \| good	15.004 \| good	0.755 \| good
2025-12-05T18:00:00.000Z	62 \| moderate	15.393 \| fine	60.739 \| fine	10.778 \| good	0.464 \| good	11.911 \| good	0.607 \| good
2025-12-05T19:00:00.000Z	66 \| moderate	17.207 \| fine	71.549 \| fine	10.688 \| good	0.484 \| good	11.23 \| good	0.428 \| good
2025-12-05T20:00:00.000Z	69 \| moderate	19.026 \| fine	46.858 \| good	12.843 \| good	0.434 \| good	11.497 \| good	0.342 \| good
2025-12-05T21:00:00.000Z	67 \| moderate	18.162 \| fine	27.122 \| good	13.246 \| good	0.411 \| good	10.06 \| good	0.328 \| good
2025-12-05T22:00:00.000Z	66 \| moderate	16.771 \| fine	41.297 \| good	14.676 \| good	0.533 \| good	11 \| good	0.27 \| good
2025-12-05T23:00:00.000Z	73 \| moderate	20.881 \| fine	43.581 \| good	13.259 \| good	0.499 \| good	8.376 \| good	0.274 \| good
2025-12-06T00:00:00.000Z	64 \| moderate	16.213 \| fine	79.249 \| fine	12.999 \| good	0.485 \| good	11.164 \| good	0.256 \| good
2025-12-06T01:00:00.000Z	66 \| moderate	16.687 \| fine	74.624 \| fine	15.116 \| good	0.441 \| good	12.38 \| good	0.26 \| good
2025-12-06T02:00:00.000Z	67 \| moderate	18.219 \| fine	69.407 \| fine	12.789 \| good	0.369 \| good	14.866 \| good	0.306 \| good
2025-12-06T03:00:00.000Z	67 \| moderate	18.264 \| fine	76.721 \| fine	9.994 \| good	0.337 \| good	16.48 \| good	0.404 \| good
2025-12-06T04:00:00.000Z	69 \| moderate	19.494 \| fine	76.884 \| fine	10.957 \| good	0.35 \| good	16.035 \| good	0.479 \| good
2025-12-06T05:00:00.000Z	67 \| moderate	17.359 \| fine	88.212 \| fine	14.344 \| good	0.433 \| good	14.904 \| good	0.48 \| good
2025-12-06T06:00:00.000Z	66 \| moderate	16.583 \| fine	81.024 \| fine	12.833 \| good	0.399 \| good	11.799 \| good	0.541 \| good
2025-12-06T07:00:00.000Z	71 \| moderate	19.696 \| fine	75.612 \| fine	13.8 \| good	0.415 \| good	13.895 \| good	0.512 \| good
2025-12-06T08:00:00.000Z	71 \| moderate	19.891 \| fine	48.533 \| good	13.656 \| good	0.384 \| good	12.246 \| good	0.375 \| good
2025-12-06T09:00:00.000Z	71 \| moderate	20.121 \| fine	71.67 \| fine	14.093 \| good	0.404 \| good	12.3 \| good	0.376 \| good
2025-12-06T10:00:00.000Z	75 \| moderate	21.682 \| fine	97.576 \| fine	10.242 \| good	0.932 \| good	11.181 \| good	0.43 \| good
2025-12-06T11:00:00.000Z	56 \| moderate	12.38 \| fine	52.997 \| good	4.873 \| good	0.86 \| good	7.401 \| good	0.382 \| good
2025-12-06T12:00:00.000Z	68 \| moderate	14.592 \| fine	88.617 \| fine	5.027 \| good	0.316 \| good	8.184 \| good	0.371 \| good
2025-12-06T13:00:00.000Z	60 \| moderate	14.182 \| fine	60.734 \| fine	6.109 \| good	0.365 \| good	11.484 \| good	0.303 \| good
2025-12-06T14:00:00.000Z	58 \| moderate	13.436 \| fine	36.202 \| good	5.298 \| good	0.523 \| good	10.995 \| good	0.205 \| good
2025-12-06T15:00:00.000Z	64 \| moderate	15.661 \| fine	54.967 \| good	6.872 \| good	0.406 \| good	9.291 \| good	0.262 \| good
2025-12-06T16:00:00.000Z	64 \| moderate	15.652 \| fine	75.251 \| fine	3.9 \| good	0.373 \| good	7.952 \| good	0.294 \| good
2025-12-06T17:00:00.000Z	64 \| moderate	16.277 \| fine	72.902 \| fine	6.226 \| good	0.426 \| good	7.081 \| good	0.259 \| good
2025-12-06T18:00:00.000Z	64 \| moderate	16.33 \| fine	57.323 \| fine	8.067 \| good	0.516 \| good	6.653 \| good	0.297 \| good
2025-12-06T19:00:00.000Z	73 \| moderate	21.237 \| fine	96.446 \| fine	8.549 \| good	0.578 \| good	5.602 \| good	0.35 \| good
2025-12-06T20:00:00.000Z	73 \| moderate	21.275 \| fine	71.757 \| fine	8.831 \| good	0.558 \| good	6.521 \| good	0.332 \| good
2025-12-06T21:00:00.000Z	75 \| moderate	21.828 \| fine	51.58 \| good	9.852 \| good	0.572 \| good	7.384 \| good	0.351 \| good
2025-12-06T22:00:00.000Z	75 \| moderate	22.159 \| fine	93.756 \| fine	10.986 \| good	0.579 \| good	7.31 \| good	0.332 \| good
2025-12-06T23:00:00.000Z	71 \| moderate	19.539 \| fine	65.879 \| fine	10.278 \| good	0.493 \| good	6.905 \| good	0.298 \| good
2025-12-07T00:00:00.000Z	66 \| moderate	16.528 \| fine	73.694 \| fine	12.283 \| good	0.514 \| good	7.328 \| good	0.298 \| good
2025-12-07T01:00:00.000Z	64 \| moderate	15.7 \| fine	69.21 \| fine	13.064 \| good	0.444 \| good	9.51 \| good	0.319 \| good
2025-12-07T02:00:00.000Z	69 \| moderate	19.074 \| fine	58.927 \| fine	11.453 \| good	0.39 \| good	9.986 \| good	0.353 \| good
2025-12-07T03:00:00.000Z	60 \| moderate	14.079 \| fine	41.872 \| good	8.985 \| good	0.329 \| good	12.144 \| good	0.379 \| good
2025-12-07T04:00:00.000Z	56 \| moderate	11.955 \| good	32.778 \| good	13.396 \| good	0.318 \| good	12.044 \| good	0.502 \| good
2025-12-07T05:00:00.000Z	60 \| moderate	14.079 \| fine	24.015 \| good	9.842 \| good	0.278 \| good	10.168 \| good	0.545 \| good
2025-12-07T06:00:00.000Z	56 \| moderate	11.946 \| good	47.771 \| good	6.505 \| good	0.269 \| good	8.972 \| good	0.545 \| good
2025-12-07T07:00:00.000Z	67 \| moderate	18.365 \| fine	66.302 \| fine	8.163 \| good	0.269 \| good	9.184 \| good	0.53 \| good
2025-12-07T08:00:00.000Z	64 \| moderate	16.272 \| fine	68.538 \| fine	6.329 \| good	0.273 \| good	9.243 \| good	0.559 \| good
2025-12-07T09:00:00.000Z	66 \| moderate	17.094 \| fine	68.09 \| fine	8.761 \| good	0.324 \| good	8.122 \| good	0.49 \| good
2025-12-07T10:00:00.000Z	77 \| moderate	22.59 \| fine	93.139 \| fine	8.236 \| good	0.476 \| good	4.145 \| good	0.267 \| good
2025-12-07T11:00:00.000Z	56 \| moderate	12.11 \| fine	39.242 \| good	9.659 \| good	0.504 \| good	3.408 \| good	0.256 \| good
2025-12-07T12:00:00.000Z	64 \| moderate	16.192 \| fine	61.364 \| fine	5.154 \| good	0.338 \| good	7.356 \| good	0.22 \| good
2025-12-07T13:00:00.000Z	71 \| moderate	19.52 \| fine	84.237 \| fine	7.911 \| good	0.362 \| good	11.667 \| good	0.308 \| good
2025-12-07T14:00:00.000Z	58 \| moderate	12.552 \| fine	48.986 \| good	8.509 \| good	0.445 \| good	10.965 \| good	0.45 \| good
2025-12-07T14:00:00.000Z	52 \| moderate	10.464 \| good	33.413 \| good	5.53 \| good	0.453 \| good	9.732 \| good	0.329 \| good
2025-12-07T15:00:00.000Z	62 \| moderate	14.897 \| fine	66.909 \| fine	4.145 \| good	1.428 \| good	16.762 \| good	0.243 \| good
2025-12-07T16:00:00.000Z	62 \| moderate	14.731 \| fine	66.183 \| fine	5.247 \| good	1.595 \| good	15.638 \| good	0.248 \| good
2025-12-07T17:00:00.000Z	66 \| moderate	16.616 \| fine	73.807 \| fine	4.495 \| good	1.762 \| good	14.515 \| good	0.254 \| good
2025-12-07T18:00:00.000Z	71 \| moderate	19.633 \| fine	86.32 \| fine	4.336 \| good	1.929 \| good	13.392 \| good	0.259 \| good
2025-12-07T19:00:00.000Z	71 \| moderate	20.407 \| fine	90.225 \| fine	5.836 \| good	2.083 \| good	12.451 \| good	0.237 \| good
2025-12-07T20:00:00.000Z	71 \| moderate	20.141 \| fine	88.984 \| fine	6.196 \| good	2.236 \| good	11.51 \| good	0.215 \| good
2025-12-07T21:00:00.000Z	67 \| moderate	18.335 \| fine	80.753 \| fine	6.598 \| good	2.39 \| good	10.569 \| good	0.193 \| good
2025-12-07T22:00:00.000Z	62 \| moderate	15.196 \| fine	67.499 \| fine	8.52 \| good	2.24 \| good	11.478 \| good	0.186 \| good
2025-12-07T23:00:00.000Z	58 \| moderate	13.272 \| fine	59.287 \| fine	10.168 \| good	2.09 \| good	12.387 \| good	0.18 \| good
2025-12-08T00:00:00.000Z	54 \| moderate	11.151 \| good	49.734 \| good	11.23 \| good	1.94 \| good	13.296 \| good	0.174 \| good
2025-12-08T01:00:00.000Z	44 \| good	8.152 \| good	36.017 \| good	9.674 \| good	1.846 \| good	14.261 \| good	0.197 \| good
2025-12-08T02:00:00.000Z	38 \| good	7.442 \| good	32.914 \| good	7.5 \| good	1.753 \| good	15.226 \| good	0.221 \| good
2025-12-08T03:00:00.000Z	44 \| good	7.872 \| good	34.6 \| good	6.453 \| good	1.659 \| good	16.192 \| good	0.244 \| good
2025-12-08T04:00:00.000Z	33 \| good	6.445 \| good	28.384 \| good	5.649 \| good	1.771 \| good	16.052 \| good	0.25 \| good
2025-12-08T05:00:00.000Z	27 \| good	5.391 \| good	23.645 \| good	5.249 \| good	1.882 \| good	15.911 \| good	0.256 \| good
2025-12-08T06:00:00.000Z	16 \| good	3.498 \| good	14.979 \| good	3.475 \| good	1.994 \| good	15.771 \| good	0.262 \| good
2025-12-08T07:00:00.000Z	27 \| good	4.897 \| good	21.536 \| good	1.441 \| good	1.92 \| good	15.672 \| good	0.261 \| good
2025-12-08T08:00:00.000Z	49 \| good	8.526 \| good	37.804 \| good	2.284 \| good	1.846 \| good	15.573 \| good	0.26 \| good
2025-12-08T09:00:00.000Z	58 \| moderate	12.567 \| fine	55.956 \| fine	1.85 \| good	1.772 \| good	15.474 \| good	0.259 \| good
2025-12-08T10:00:00.000Z	58 \| moderate	12.96 \| fine	58.351 \| fine	1.537 \| good	1.7 \| good	14.92 \| good	0.256 \| good
2025-12-08T11:00:00.000Z	60 \| moderate	14.399 \| fine	64.248 \| fine	1.365 \| good	1.629 \| good	14.367 \| good	0.252 \| good
2025-12-08T12:00:00.000Z	64 \| moderate	16.252 \| fine	72.615 \| fine	1.441 \| good	1.557 \| good	13.813 \| good	0.249 \| good
2025-12-08T13:00:00.000Z	66 \| moderate	16.82 \| fine	75.046 \| fine	1.648 \| good	1.692 \| good	13.567 \| good	0.256 \| good
2025-12-08T14:00:00.000Z	67 \| moderate	18.473 \| fine	82.352 \| fine	1.001 \| good	1.827 \| good	13.321 \| good	0.263 \| good
2025-12-08T15:00:00.000Z	66 \| moderate	16.995 \| fine	74.982 \| fine	2.234 \| good	1.962 \| good	13.075 \| good	0.271 \| good
2025-12-08T16:00:00.000Z	67 \| moderate	17.696 \| fine	78.982 \| fine	5.035 \| good	2.553 \| good	13.368 \| good	0.262 \| good
2025-12-08T17:00:00.000Z	67 \| moderate	17.952 \| fine	79.151 \| fine	7.066 \| good	3.143 \| good	13.661 \| good	0.254 \| good
2025-12-08T18:00:00.000Z	73 \| moderate	21.126 \| fine	92.968 \| fine	6.148 \| good	3.734 \| good	13.953 \| good	0.246 \| good
2025-12-08T19:00:00.000Z	77 \| moderate	23.409 \| fine	102.44 \| fine	6.515 \| good	3.51 \| good	12.485 \| good	0.221 \| good
2025-12-08T20:00:00.000Z	81 \| moderate	25.295 \| fine	109.686 \| fine	6.328 \| good	3.285 \| good	11.016 \| good	0.196 \| good
2025-12-08T21:00:00.000Z	84 \| moderate	27.27 \| fine	118.773 \| fine	4.759 \| good	3.061 \| good	9.548 \| good	0.171 \| good
2025-12-08T22:00:00.000Z	81 \| moderate	25.066 \| fine	109.644 \| fine	4.672 \| good	2.743 \| good	9.883 \| good	0.167 \| good
2025-12-08T23:00:00.000Z	71 \| moderate	20.377 \| fine	90.092 \| fine	4.116 \| good	2.425 \| good	10.218 \| good	0.163 \| good
2025-12-09T00:00:00.000Z	58 \| moderate	13.399 \| fine	60.066 \| fine	8.357 \| good	2.108 \| good	10.554 \| good	0.159 \| good
2025-12-09T01:00:00.000Z	54 \| moderate	11.174 \| good	49.482 \| good	10.165 \| good	1.918 \| good	12.189 \| good	0.185 \| good
2025-12-09T02:00:00.000Z	49 \| good	9.024 \| good	39.913 \| good	8.766 \| good	1.728 \| good	13.825 \| good	0.212 \| good
2025-12-09T03:00:00.000Z	49 \| good	8.546 \| good	38.016 \| good	6.146 \| good	1.539 \| good	15.46 \| good	0.238 \| good
2025-12-09T04:00:00.000Z	38 \| good	7.369 \| good	32.911 \| good	4.102 \| good	1.599 \| good	14.442 \| good	0.243 \| good
2025-12-09T05:00:00.000Z	38 \| good	6.852 \| good	30.13 \| good	3.574 \| good	1.659 \| good	13.424 \| good	0.248 \| good
2025-12-09T06:00:00.000Z	27 \| good	5.238 \| good	22.976 \| good	4.249 \| good	1.72 \| good	12.405 \| good	0.253 \| good
2025-12-09T07:00:00.000Z	22 \| good	4.037 \| good	17.182 \| good	4.174 \| good	1.64 \| good	11.895 \| good	0.253 \| good
2025-12-09T08:00:00.000Z	22 \| good	3.847 \| good	16.543 \| good	3.252 \| good	1.56 \| good	11.384 \| good	0.253 \| good
2025-12-09T09:00:00.000Z	44 \| good	7.531 \| good	33.636 \| good	2.435 \| good	1.481 \| good	10.873 \| good	0.253 \| good
2025-12-09T10:00:00.000Z	52 \| moderate	9.745 \| good	42.86 \| good	1.609 \| good	1.368 \| good	10.267 \| good	0.244 \| good
2025-12-09T11:00:00.000Z	52 \| moderate	10.405 \| good	45.91 \| good	1.063 \| good	1.255 \| good	9.662 \| good	0.235 \| good
2025-12-09T12:00:00.000Z	56 \| moderate	11.757 \| good	52.346 \| good	0.572 \| good	1.142 \| good	9.056 \| good	0.226 \| good
2025-12-09T13:00:00.000Z	56 \| moderate	11.931 \| good	52.915 \| good	0.353 \| good	1.227 \| good	9.377 \| good	0.226 \| good
2025-12-09T14:00:00.000Z	60 \| moderate	14.067 \| fine	63.179 \| fine	0.231 \| good	1.312 \| good	9.699 \| good	0.226 \| 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)

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San Carlos, California

Foster City, California

Redwood City, California

San Mateo, California

North Fair Oaks, California

Burlingame, California

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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