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

The PM10 concentration in Belmont, California is 20.194 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 0.57 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 22.006 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 4.024 ppb.

Real-time air quality index in Belmont, California today

Name: Live air pollution levels in Belmont, California today
Creator: Ambee

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)

4.64 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

20.19 μg/m³

155

255

425

605+

Ozone (O₃)

22.01 ppb

201

201+

Sulfur Dioxide (SO₂)

0.57 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.02 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.27 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
2025-06-04T08:00:00.000Z	56 \| moderate	11.806 \| good	51.933 \| good	26.672 \| good	0.846 \| good	4.495 \| good	0.269 \| good
2025-06-04T09:00:00.000Z	58 \| moderate	12.856 \| fine	57.551 \| fine	26.226 \| good	0.847 \| good	3.21 \| good	0.23 \| good
2025-06-04T10:00:00.000Z	58 \| moderate	13.037 \| fine	58.489 \| fine	25.771 \| good	0.817 \| good	3.825 \| good	0.228 \| good
2025-06-04T11:00:00.000Z	56 \| moderate	12.479 \| fine	56.382 \| fine	27.29 \| good	0.804 \| good	4.444 \| good	0.225 \| good
2025-06-04T12:00:00.000Z	54 \| moderate	10.972 \| good	47.927 \| good	27.317 \| good	0.801 \| good	4.713 \| good	0.227 \| good
2025-06-04T13:00:00.000Z	44 \| good	7.984 \| good	34.995 \| good	22.402 \| good	0.718 \| good	2.623 \| good	0.111 \| good
2025-06-04T14:00:00.000Z	56 \| moderate	11.71 \| good	52.225 \| good	22.318 \| good	0.866 \| good	6.462 \| good	0.266 \| good
2025-06-04T15:00:00.000Z	60 \| moderate	14.128 \| fine	62.536 \| fine	25.066 \| good	0.901 \| good	8.249 \| good	0.293 \| good
2025-06-04T16:00:00.000Z	64 \| moderate	16.497 \| fine	73.289 \| fine	26.123 \| good	0.947 \| good	8.473 \| good	0.315 \| good
2025-06-04T17:00:00.000Z	66 \| moderate	16.854 \| fine	75.656 \| fine	27.708 \| good	0.853 \| good	6.438 \| good	0.328 \| good
2025-06-04T18:00:00.000Z	64 \| moderate	15.913 \| fine	70.818 \| fine	27.056 \| good	1.155 \| good	5.619 \| good	0.304 \| good
2025-06-04T19:00:00.000Z	64 \| moderate	16.019 \| fine	70.327 \| fine	28.424 \| good	1.762 \| good	5.655 \| good	0.285 \| good
2025-06-04T20:00:00.000Z	66 \| moderate	16.832 \| fine	75.028 \| fine	31.197 \| good	1.205 \| good	4.613 \| good	0.257 \| good
2025-06-04T21:00:00.000Z	64 \| moderate	16.046 \| fine	69.425 \| fine	32.694 \| good	1.076 \| good	4.215 \| good	0.29 \| good
2025-06-04T22:00:00.000Z	64 \| moderate	15.619 \| fine	69.887 \| fine	32.909 \| good	0.981 \| good	5.14 \| good	0.318 \| good
2025-06-04T23:00:00.000Z	64 \| moderate	16.209 \| fine	72.275 \| fine	34.105 \| good	0.884 \| good	5.044 \| good	0.294 \| good
2025-06-05T00:00:00.000Z	62 \| moderate	14.993 \| fine	66.211 \| fine	33.792 \| good	0.858 \| good	4.684 \| good	0.311 \| good
2025-06-05T01:00:00.000Z	60 \| moderate	14.149 \| fine	62.011 \| fine	32.392 \| good	0.853 \| good	5.243 \| good	0.294 \| good
2025-06-05T02:00:00.000Z	56 \| moderate	12.289 \| fine	54.477 \| good	32.458 \| good	0.947 \| good	5.563 \| good	0.269 \| good
2025-06-05T03:00:00.000Z	56 \| moderate	11.808 \| good	52.627 \| good	32.318 \| good	0.875 \| good	5.33 \| good	0.269 \| good
2025-06-05T04:00:00.000Z	54 \| moderate	11.046 \| good	48.846 \| good	32.017 \| good	0.796 \| good	6.074 \| good	0.269 \| good
2025-06-05T05:00:00.000Z	54 \| moderate	10.767 \| good	47.473 \| good	30.463 \| good	0.777 \| good	6.61 \| good	0.272 \| good
2025-06-05T06:00:00.000Z	52 \| moderate	10.232 \| good	45.216 \| good	29.434 \| good	0.742 \| good	3.707 \| good	0.254 \| good
2025-06-05T07:00:00.000Z	49 \| good	9.398 \| good	42.846 \| good	29.112 \| good	0.766 \| good	3.467 \| good	0.254 \| good
2025-06-05T08:00:00.000Z	49 \| good	8.693 \| good	38.058 \| good	27.986 \| good	0.772 \| good	3.425 \| good	0.251 \| good
2025-06-05T09:00:00.000Z	44 \| good	8.102 \| good	36.394 \| good	27.443 \| good	0.865 \| good	3.264 \| good	0.243 \| good
2025-06-05T10:00:00.000Z	49 \| good	9.301 \| good	42.935 \| good	26.548 \| good	1.092 \| good	3.578 \| good	0.212 \| good
2025-06-05T11:00:00.000Z	49 \| good	9.473 \| good	41.688 \| good	26.454 \| good	1.004 \| good	5.619 \| good	0.212 \| good
2025-06-05T12:00:00.000Z	49 \| good	8.826 \| good	38.183 \| good	25.412 \| good	1.223 \| good	5.524 \| good	0.212 \| good
2025-06-05T13:00:00.000Z	38 \| good	7.014 \| good	31.27 \| good	24.489 \| good	1.692 \| good	5.805 \| good	0.25 \| good
2025-06-05T14:00:00.000Z	27 \| good	5.29 \| good	23.693 \| good	26.414 \| good	1.277 \| good	6.245 \| good	0.283 \| good
2025-06-05T15:00:00.000Z	33 \| good	5.816 \| good	25.717 \| good	25.543 \| good	1.256 \| good	6.378 \| good	0.259 \| good
2025-06-05T16:00:00.000Z	33 \| good	6.24 \| good	27.205 \| good	26.39 \| good	1.272 \| good	6.79 \| good	0.259 \| good
2025-06-05T17:00:00.000Z	33 \| good	6.287 \| good	27.401 \| good	26.962 \| good	1.366 \| good	5.452 \| good	0.275 \| good
2025-06-05T18:00:00.000Z	38 \| good	7.204 \| good	32.407 \| good	27.442 \| good	1.254 \| good	5.607 \| good	0.285 \| good
2025-06-05T19:00:00.000Z	38 \| good	6.913 \| good	30.917 \| good	30.719 \| good	1.077 \| good	4.436 \| good	0.285 \| good
2025-06-05T20:00:00.000Z	49 \| good	8.98 \| good	40.043 \| good	30.711 \| good	0.682 \| good	4.065 \| good	0.285 \| good
2025-06-05T21:00:00.000Z	44 \| good	7.635 \| good	34.252 \| good	32.049 \| good	0.996 \| good	4.545 \| good	0.254 \| good
2025-06-05T22:00:00.000Z	33 \| good	5.85 \| good	25.571 \| good	33.736 \| good	0.767 \| good	5.227 \| good	0.266 \| good
2025-06-05T23:00:00.000Z	33 \| good	6.498 \| good	28.595 \| good	33.074 \| good	1.287 \| good	4.617 \| good	0.266 \| good
2025-06-06T00:00:00.000Z	38 \| good	6.926 \| good	30.81 \| good	33.568 \| good	0.961 \| good	3.38 \| good	0.266 \| good
2025-06-06T01:00:00.000Z	38 \| good	6.633 \| good	29.407 \| good	33.144 \| good	0.773 \| good	4.145 \| good	0.266 \| good
2025-06-06T02:00:00.000Z	38 \| good	6.505 \| good	29.196 \| good	32.072 \| good	0.795 \| good	4.277 \| good	0.263 \| good
2025-06-06T03:00:00.000Z	33 \| good	5.86 \| good	24.94 \| good	30.073 \| good	0.94 \| good	4.134 \| good	0.266 \| good
2025-06-06T04:00:00.000Z	27 \| good	5.078 \| good	22.612 \| good	29.042 \| good	0.896 \| good	3.91 \| good	0.266 \| good
2025-06-06T05:00:00.000Z	27 \| good	4.696 \| good	20.577 \| good	24.768 \| good	0.715 \| good	4.085 \| good	0.266 \| good
2025-06-06T06:00:00.000Z	27 \| good	4.651 \| good	20.246 \| good	22.481 \| good	0.573 \| good	4.011 \| good	0.266 \| good
2025-06-06T07:00:00.000Z	27 \| good	4.639 \| good	20.194 \| good	22.006 \| good	0.57 \| good	4.024 \| good	0.268 \| good
2025-06-06T08:00:00.000Z	54 \| moderate	11.02 \| good	48.961 \| good	21.568 \| good	0.522 \| good	3.683 \| good	0.1 \| good
2025-06-06T09:00:00.000Z	54 \| moderate	11.321 \| good	50.072 \| good	21.162 \| good	0.657 \| good	4.659 \| good	0.106 \| good
2025-06-06T10:00:00.000Z	52 \| moderate	10.079 \| good	44.801 \| good	23.851 \| good	0.422 \| good	2.421 \| good	0.093 \| good
2025-06-06T11:00:00.000Z	52 \| moderate	10.1 \| good	44.787 \| good	22.706 \| good	0.551 \| good	3.252 \| good	0.097 \| good
2025-06-06T12:00:00.000Z	54 \| moderate	11.257 \| good	49.964 \| good	21.743 \| good	0.679 \| good	4.083 \| good	0.102 \| good
2025-06-06T13:00:00.000Z	56 \| moderate	11.552 \| good	51.121 \| good	19.409 \| good	0.464 \| good	1.855 \| good	0.093 \| good
2025-06-06T14:00:00.000Z	58 \| moderate	13.242 \| fine	58.854 \| fine	19.941 \| good	0.637 \| good	2.456 \| good	0.097 \| good
2025-06-06T15:00:00.000Z	62 \| moderate	14.874 \| fine	66.665 \| fine	21.4 \| good	0.81 \| good	3.056 \| good	0.101 \| good
2025-06-06T16:00:00.000Z	60 \| moderate	14.468 \| fine	64.937 \| fine	23.023 \| good	0.497 \| good	1.462 \| good	0.097 \| good
2025-06-06T17:00:00.000Z	60 \| moderate	13.933 \| fine	62.43 \| fine	25.816 \| good	0.66 \| good	1.97 \| good	0.102 \| good
2025-06-06T18:00:00.000Z	60 \| moderate	13.864 \| fine	62.51 \| fine	28.786 \| good	0.823 \| good	2.477 \| good	0.107 \| good
2025-06-06T19:00:00.000Z	60 \| moderate	14.34 \| fine	64.528 \| fine	30.523 \| good	0.574 \| good	1.004 \| good	0.094 \| good
2025-06-06T20:00:00.000Z	60 \| moderate	13.701 \| fine	60.786 \| fine	31.216 \| good	0.735 \| good	1.381 \| good	0.099 \| good
2025-06-06T21:00:00.000Z	58 \| moderate	12.766 \| fine	56.888 \| fine	29.612 \| good	0.897 \| good	1.758 \| good	0.103 \| good
2025-06-06T22:00:00.000Z	58 \| moderate	13.314 \| fine	59.279 \| fine	28.868 \| good	0.516 \| good	1.242 \| good	0.095 \| good
2025-06-06T23:00:00.000Z	60 \| moderate	13.677 \| fine	61.08 \| fine	28.314 \| good	0.67 \| good	1.692 \| good	0.1 \| good
2025-06-07T00:00:00.000Z	56 \| moderate	12.289 \| fine	54.99 \| good	28.598 \| good	0.823 \| good	2.143 \| good	0.104 \| good
2025-06-07T01:00:00.000Z	56 \| moderate	12.343 \| fine	55.01 \| fine	28.115 \| good	0.516 \| good	3.534 \| good	0.103 \| good
2025-06-07T02:00:00.000Z	58 \| moderate	12.72 \| fine	57.112 \| fine	26.799 \| good	0.701 \| good	4.709 \| good	0.11 \| good
2025-06-07T03:00:00.000Z	56 \| moderate	11.87 \| good	52.124 \| good	25.898 \| good	0.886 \| good	5.883 \| good	0.116 \| good
2025-06-07T04:00:00.000Z	54 \| moderate	11.365 \| good	50.723 \| good	24.186 \| good	0.794 \| good	5.059 \| good	0.105 \| good
2025-06-07T05:00:00.000Z	54 \| moderate	10.737 \| good	47.815 \| good	23.416 \| good	1.044 \| good	6.892 \| good	0.114 \| good
2025-06-07T06:00:00.000Z	49 \| good	9.499 \| good	42.727 \| good	24.755 \| good	1.293 \| good	8.726 \| good	0.122 \| good
2025-06-07T07:00:00.000Z	52 \| moderate	9.536 \| good	42.798 \| good	25.517 \| good	0.839 \| good	5.252 \| good	0.106 \| good
2025-06-07T08:00:00.000Z	52 \| moderate	9.801 \| good	43.249 \| good	22.906 \| good	1.093 \| good	7.403 \| good	0.116 \| good
2025-06-07T09:00:00.000Z	52 \| moderate	9.651 \| good	43.089 \| good	21.251 \| good	1.347 \| good	9.554 \| good	0.125 \| good
2025-06-07T10:00:00.000Z	49 \| good	9.071 \| good	40.597 \| good	20.28 \| good	0.748 \| good	4.339 \| good	0.101 \| good
2025-06-07T11:00:00.000Z	44 \| good	8.442 \| good	36.833 \| good	20.32 \| good	0.981 \| good	6.239 \| good	0.11 \| good
2025-06-07T12:00:00.000Z	56 \| moderate	11.746 \| good	52.006 \| good	20.961 \| good	1.214 \| good	8.139 \| good	0.118 \| good
2025-06-07T13:00:00.000Z	52 \| moderate	10.403 \| good	45.993 \| good	19.121 \| good	0.824 \| good	2.591 \| good	0.096 \| good
2025-06-07T14:00:00.000Z	56 \| moderate	12.449 \| fine	56.519 \| fine	17.012 \| good	1.117 \| good	3.561 \| good	0.101 \| good
2025-06-07T15:00:00.000Z	58 \| moderate	12.571 \| fine	56.711 \| fine	18.854 \| good	1.41 \| good	4.532 \| good	0.106 \| good
2025-06-07T16:00:00.000Z	56 \| moderate	11.803 \| good	52.083 \| good	20.636 \| good	0.791 \| good	1.561 \| good	0.096 \| good
2025-06-07T17:00:00.000Z	54 \| moderate	11.345 \| good	50.667 \| good	24.507 \| good	0.973 \| good	2.137 \| good	0.1 \| good
2025-06-07T18:00:00.000Z	56 \| moderate	11.504 \| good	50.856 \| good	28.227 \| good	1.154 \| good	2.713 \| good	0.105 \| good
2025-06-07T19:00:00.000Z	58 \| moderate	12.775 \| fine	56.992 \| fine	31.762 \| good	0.718 \| good	0.812 \| good	0.092 \| good
2025-06-07T20:00:00.000Z	56 \| moderate	12.244 \| fine	54.545 \| good	32.169 \| good	0.841 \| good	1.108 \| good	0.096 \| good
2025-06-07T21:00:00.000Z	54 \| moderate	11.308 \| good	49.812 \| good	31.258 \| good	0.964 \| good	1.403 \| good	0.099 \| good
2025-06-07T22:00:00.000Z	56 \| moderate	12.186 \| fine	54.906 \| good	31.032 \| good	0.579 \| good	0.964 \| good	0.093 \| good
2025-06-07T23:00:00.000Z	56 \| moderate	12.415 \| fine	56.447 \| fine	29.707 \| good	0.689 \| good	1.327 \| good	0.096 \| good
2025-06-08T00:00:00.000Z	56 \| moderate	11.669 \| good	51.781 \| good	29.598 \| good	0.799 \| good	1.691 \| good	0.099 \| good
2025-06-08T01:00:00.000Z	56 \| moderate	12.28 \| fine	54.756 \| good	29.35 \| good	0.459 \| good	2.048 \| good	0.096 \| good
2025-06-08T02:00:00.000Z	58 \| moderate	12.8 \| fine	57.165 \| fine	28.267 \| good	0.589 \| good	2.889 \| good	0.101 \| good
2025-06-08T03:00:00.000Z	56 \| moderate	12.333 \| fine	54.958 \| good	27.113 \| good	0.72 \| good	3.73 \| good	0.105 \| good
2025-06-08T04:00:00.000Z	56 \| moderate	12.039 \| good	53.701 \| good	26.153 \| good	0.461 \| good	2.072 \| good	0.097 \| good
2025-06-08T05:00:00.000Z	54 \| moderate	11.404 \| good	50.732 \| good	25.959 \| good	0.628 \| good	3.014 \| good	0.101 \| good
2025-06-08T06:00:00.000Z	56 \| moderate	12.007 \| good	17.179 \| good	31.6 \| good	0.792 \| good	3.941 \| good	0.104 \| good
2025-06-08T07:00:00.000Z	54 \| moderate	11.115 \| good	48.983 \| good	25.708 \| good	0.476 \| good	2.172 \| good	0.099 \| good

Belmont

Get reliable air quality data to drive your business

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

0.32ppm

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 08:00:00 on 2025-06-05.

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 2025-06-06.

What is the AQI in Belmont, California right now?

As of now, the AQI in Belmont, California is 27, indicating Good 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 4.639 μg/m³.

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

The PM₁₀ concentration in Belmont, California is 20.194 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 0.268 ppm.

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

Currently, Belmont, California has a sulfur dioxide (SO₂) concentration of 0.57 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 22.006 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 4.024 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-04T08:00:00.000Z	56 \| moderate	11.806 \| good	51.933 \| good	26.672 \| good	0.846 \| good	4.495 \| good	0.269 \| good
2025-06-04T09:00:00.000Z	58 \| moderate	12.856 \| fine	57.551 \| fine	26.226 \| good	0.847 \| good	3.21 \| good	0.23 \| good
2025-06-04T10:00:00.000Z	58 \| moderate	13.037 \| fine	58.489 \| fine	25.771 \| good	0.817 \| good	3.825 \| good	0.228 \| good
2025-06-04T11:00:00.000Z	56 \| moderate	12.479 \| fine	56.382 \| fine	27.29 \| good	0.804 \| good	4.444 \| good	0.225 \| good
2025-06-04T12:00:00.000Z	54 \| moderate	10.972 \| good	47.927 \| good	27.317 \| good	0.801 \| good	4.713 \| good	0.227 \| good
2025-06-04T13:00:00.000Z	44 \| good	7.984 \| good	34.995 \| good	22.402 \| good	0.718 \| good	2.623 \| good	0.111 \| good
2025-06-04T14:00:00.000Z	56 \| moderate	11.71 \| good	52.225 \| good	22.318 \| good	0.866 \| good	6.462 \| good	0.266 \| good
2025-06-04T15:00:00.000Z	60 \| moderate	14.128 \| fine	62.536 \| fine	25.066 \| good	0.901 \| good	8.249 \| good	0.293 \| good
2025-06-04T16:00:00.000Z	64 \| moderate	16.497 \| fine	73.289 \| fine	26.123 \| good	0.947 \| good	8.473 \| good	0.315 \| good
2025-06-04T17:00:00.000Z	66 \| moderate	16.854 \| fine	75.656 \| fine	27.708 \| good	0.853 \| good	6.438 \| good	0.328 \| good
2025-06-04T18:00:00.000Z	64 \| moderate	15.913 \| fine	70.818 \| fine	27.056 \| good	1.155 \| good	5.619 \| good	0.304 \| good
2025-06-04T19:00:00.000Z	64 \| moderate	16.019 \| fine	70.327 \| fine	28.424 \| good	1.762 \| good	5.655 \| good	0.285 \| good
2025-06-04T20:00:00.000Z	66 \| moderate	16.832 \| fine	75.028 \| fine	31.197 \| good	1.205 \| good	4.613 \| good	0.257 \| good
2025-06-04T21:00:00.000Z	64 \| moderate	16.046 \| fine	69.425 \| fine	32.694 \| good	1.076 \| good	4.215 \| good	0.29 \| good
2025-06-04T22:00:00.000Z	64 \| moderate	15.619 \| fine	69.887 \| fine	32.909 \| good	0.981 \| good	5.14 \| good	0.318 \| good
2025-06-04T23:00:00.000Z	64 \| moderate	16.209 \| fine	72.275 \| fine	34.105 \| good	0.884 \| good	5.044 \| good	0.294 \| good
2025-06-05T00:00:00.000Z	62 \| moderate	14.993 \| fine	66.211 \| fine	33.792 \| good	0.858 \| good	4.684 \| good	0.311 \| good
2025-06-05T01:00:00.000Z	60 \| moderate	14.149 \| fine	62.011 \| fine	32.392 \| good	0.853 \| good	5.243 \| good	0.294 \| good
2025-06-05T02:00:00.000Z	56 \| moderate	12.289 \| fine	54.477 \| good	32.458 \| good	0.947 \| good	5.563 \| good	0.269 \| good
2025-06-05T03:00:00.000Z	56 \| moderate	11.808 \| good	52.627 \| good	32.318 \| good	0.875 \| good	5.33 \| good	0.269 \| good
2025-06-05T04:00:00.000Z	54 \| moderate	11.046 \| good	48.846 \| good	32.017 \| good	0.796 \| good	6.074 \| good	0.269 \| good
2025-06-05T05:00:00.000Z	54 \| moderate	10.767 \| good	47.473 \| good	30.463 \| good	0.777 \| good	6.61 \| good	0.272 \| good
2025-06-05T06:00:00.000Z	52 \| moderate	10.232 \| good	45.216 \| good	29.434 \| good	0.742 \| good	3.707 \| good	0.254 \| good
2025-06-05T07:00:00.000Z	49 \| good	9.398 \| good	42.846 \| good	29.112 \| good	0.766 \| good	3.467 \| good	0.254 \| good
2025-06-05T08:00:00.000Z	49 \| good	8.693 \| good	38.058 \| good	27.986 \| good	0.772 \| good	3.425 \| good	0.251 \| good
2025-06-05T09:00:00.000Z	44 \| good	8.102 \| good	36.394 \| good	27.443 \| good	0.865 \| good	3.264 \| good	0.243 \| good
2025-06-05T10:00:00.000Z	49 \| good	9.301 \| good	42.935 \| good	26.548 \| good	1.092 \| good	3.578 \| good	0.212 \| good
2025-06-05T11:00:00.000Z	49 \| good	9.473 \| good	41.688 \| good	26.454 \| good	1.004 \| good	5.619 \| good	0.212 \| good
2025-06-05T12:00:00.000Z	49 \| good	8.826 \| good	38.183 \| good	25.412 \| good	1.223 \| good	5.524 \| good	0.212 \| good
2025-06-05T13:00:00.000Z	38 \| good	7.014 \| good	31.27 \| good	24.489 \| good	1.692 \| good	5.805 \| good	0.25 \| good
2025-06-05T14:00:00.000Z	27 \| good	5.29 \| good	23.693 \| good	26.414 \| good	1.277 \| good	6.245 \| good	0.283 \| good
2025-06-05T15:00:00.000Z	33 \| good	5.816 \| good	25.717 \| good	25.543 \| good	1.256 \| good	6.378 \| good	0.259 \| good
2025-06-05T16:00:00.000Z	33 \| good	6.24 \| good	27.205 \| good	26.39 \| good	1.272 \| good	6.79 \| good	0.259 \| good
2025-06-05T17:00:00.000Z	33 \| good	6.287 \| good	27.401 \| good	26.962 \| good	1.366 \| good	5.452 \| good	0.275 \| good
2025-06-05T18:00:00.000Z	38 \| good	7.204 \| good	32.407 \| good	27.442 \| good	1.254 \| good	5.607 \| good	0.285 \| good
2025-06-05T19:00:00.000Z	38 \| good	6.913 \| good	30.917 \| good	30.719 \| good	1.077 \| good	4.436 \| good	0.285 \| good
2025-06-05T20:00:00.000Z	49 \| good	8.98 \| good	40.043 \| good	30.711 \| good	0.682 \| good	4.065 \| good	0.285 \| good
2025-06-05T21:00:00.000Z	44 \| good	7.635 \| good	34.252 \| good	32.049 \| good	0.996 \| good	4.545 \| good	0.254 \| good
2025-06-05T22:00:00.000Z	33 \| good	5.85 \| good	25.571 \| good	33.736 \| good	0.767 \| good	5.227 \| good	0.266 \| good
2025-06-05T23:00:00.000Z	33 \| good	6.498 \| good	28.595 \| good	33.074 \| good	1.287 \| good	4.617 \| good	0.266 \| good
2025-06-06T00:00:00.000Z	38 \| good	6.926 \| good	30.81 \| good	33.568 \| good	0.961 \| good	3.38 \| good	0.266 \| good
2025-06-06T01:00:00.000Z	38 \| good	6.633 \| good	29.407 \| good	33.144 \| good	0.773 \| good	4.145 \| good	0.266 \| good
2025-06-06T02:00:00.000Z	38 \| good	6.505 \| good	29.196 \| good	32.072 \| good	0.795 \| good	4.277 \| good	0.263 \| good
2025-06-06T03:00:00.000Z	33 \| good	5.86 \| good	24.94 \| good	30.073 \| good	0.94 \| good	4.134 \| good	0.266 \| good
2025-06-06T04:00:00.000Z	27 \| good	5.078 \| good	22.612 \| good	29.042 \| good	0.896 \| good	3.91 \| good	0.266 \| good
2025-06-06T05:00:00.000Z	27 \| good	4.696 \| good	20.577 \| good	24.768 \| good	0.715 \| good	4.085 \| good	0.266 \| good
2025-06-06T06:00:00.000Z	27 \| good	4.651 \| good	20.246 \| good	22.481 \| good	0.573 \| good	4.011 \| good	0.266 \| good
2025-06-06T07:00:00.000Z	27 \| good	4.639 \| good	20.194 \| good	22.006 \| good	0.57 \| good	4.024 \| good	0.268 \| good
2025-06-06T08:00:00.000Z	54 \| moderate	11.02 \| good	48.961 \| good	21.568 \| good	0.522 \| good	3.683 \| good	0.1 \| good
2025-06-06T09:00:00.000Z	54 \| moderate	11.321 \| good	50.072 \| good	21.162 \| good	0.657 \| good	4.659 \| good	0.106 \| good
2025-06-06T10:00:00.000Z	52 \| moderate	10.079 \| good	44.801 \| good	23.851 \| good	0.422 \| good	2.421 \| good	0.093 \| good
2025-06-06T11:00:00.000Z	52 \| moderate	10.1 \| good	44.787 \| good	22.706 \| good	0.551 \| good	3.252 \| good	0.097 \| good
2025-06-06T12:00:00.000Z	54 \| moderate	11.257 \| good	49.964 \| good	21.743 \| good	0.679 \| good	4.083 \| good	0.102 \| good
2025-06-06T13:00:00.000Z	56 \| moderate	11.552 \| good	51.121 \| good	19.409 \| good	0.464 \| good	1.855 \| good	0.093 \| good
2025-06-06T14:00:00.000Z	58 \| moderate	13.242 \| fine	58.854 \| fine	19.941 \| good	0.637 \| good	2.456 \| good	0.097 \| good
2025-06-06T15:00:00.000Z	62 \| moderate	14.874 \| fine	66.665 \| fine	21.4 \| good	0.81 \| good	3.056 \| good	0.101 \| good
2025-06-06T16:00:00.000Z	60 \| moderate	14.468 \| fine	64.937 \| fine	23.023 \| good	0.497 \| good	1.462 \| good	0.097 \| good
2025-06-06T17:00:00.000Z	60 \| moderate	13.933 \| fine	62.43 \| fine	25.816 \| good	0.66 \| good	1.97 \| good	0.102 \| good
2025-06-06T18:00:00.000Z	60 \| moderate	13.864 \| fine	62.51 \| fine	28.786 \| good	0.823 \| good	2.477 \| good	0.107 \| good
2025-06-06T19:00:00.000Z	60 \| moderate	14.34 \| fine	64.528 \| fine	30.523 \| good	0.574 \| good	1.004 \| good	0.094 \| good
2025-06-06T20:00:00.000Z	60 \| moderate	13.701 \| fine	60.786 \| fine	31.216 \| good	0.735 \| good	1.381 \| good	0.099 \| good
2025-06-06T21:00:00.000Z	58 \| moderate	12.766 \| fine	56.888 \| fine	29.612 \| good	0.897 \| good	1.758 \| good	0.103 \| good
2025-06-06T22:00:00.000Z	58 \| moderate	13.314 \| fine	59.279 \| fine	28.868 \| good	0.516 \| good	1.242 \| good	0.095 \| good
2025-06-06T23:00:00.000Z	60 \| moderate	13.677 \| fine	61.08 \| fine	28.314 \| good	0.67 \| good	1.692 \| good	0.1 \| good
2025-06-07T00:00:00.000Z	56 \| moderate	12.289 \| fine	54.99 \| good	28.598 \| good	0.823 \| good	2.143 \| good	0.104 \| good
2025-06-07T01:00:00.000Z	56 \| moderate	12.343 \| fine	55.01 \| fine	28.115 \| good	0.516 \| good	3.534 \| good	0.103 \| good
2025-06-07T02:00:00.000Z	58 \| moderate	12.72 \| fine	57.112 \| fine	26.799 \| good	0.701 \| good	4.709 \| good	0.11 \| good
2025-06-07T03:00:00.000Z	56 \| moderate	11.87 \| good	52.124 \| good	25.898 \| good	0.886 \| good	5.883 \| good	0.116 \| good
2025-06-07T04:00:00.000Z	54 \| moderate	11.365 \| good	50.723 \| good	24.186 \| good	0.794 \| good	5.059 \| good	0.105 \| good
2025-06-07T05:00:00.000Z	54 \| moderate	10.737 \| good	47.815 \| good	23.416 \| good	1.044 \| good	6.892 \| good	0.114 \| good
2025-06-07T06:00:00.000Z	49 \| good	9.499 \| good	42.727 \| good	24.755 \| good	1.293 \| good	8.726 \| good	0.122 \| good
2025-06-07T07:00:00.000Z	52 \| moderate	9.536 \| good	42.798 \| good	25.517 \| good	0.839 \| good	5.252 \| good	0.106 \| good
2025-06-07T08:00:00.000Z	52 \| moderate	9.801 \| good	43.249 \| good	22.906 \| good	1.093 \| good	7.403 \| good	0.116 \| good
2025-06-07T09:00:00.000Z	52 \| moderate	9.651 \| good	43.089 \| good	21.251 \| good	1.347 \| good	9.554 \| good	0.125 \| good
2025-06-07T10:00:00.000Z	49 \| good	9.071 \| good	40.597 \| good	20.28 \| good	0.748 \| good	4.339 \| good	0.101 \| good
2025-06-07T11:00:00.000Z	44 \| good	8.442 \| good	36.833 \| good	20.32 \| good	0.981 \| good	6.239 \| good	0.11 \| good
2025-06-07T12:00:00.000Z	56 \| moderate	11.746 \| good	52.006 \| good	20.961 \| good	1.214 \| good	8.139 \| good	0.118 \| good
2025-06-07T13:00:00.000Z	52 \| moderate	10.403 \| good	45.993 \| good	19.121 \| good	0.824 \| good	2.591 \| good	0.096 \| good
2025-06-07T14:00:00.000Z	56 \| moderate	12.449 \| fine	56.519 \| fine	17.012 \| good	1.117 \| good	3.561 \| good	0.101 \| good
2025-06-07T15:00:00.000Z	58 \| moderate	12.571 \| fine	56.711 \| fine	18.854 \| good	1.41 \| good	4.532 \| good	0.106 \| good
2025-06-07T16:00:00.000Z	56 \| moderate	11.803 \| good	52.083 \| good	20.636 \| good	0.791 \| good	1.561 \| good	0.096 \| good
2025-06-07T17:00:00.000Z	54 \| moderate	11.345 \| good	50.667 \| good	24.507 \| good	0.973 \| good	2.137 \| good	0.1 \| good
2025-06-07T18:00:00.000Z	56 \| moderate	11.504 \| good	50.856 \| good	28.227 \| good	1.154 \| good	2.713 \| good	0.105 \| good
2025-06-07T19:00:00.000Z	58 \| moderate	12.775 \| fine	56.992 \| fine	31.762 \| good	0.718 \| good	0.812 \| good	0.092 \| good
2025-06-07T20:00:00.000Z	56 \| moderate	12.244 \| fine	54.545 \| good	32.169 \| good	0.841 \| good	1.108 \| good	0.096 \| good
2025-06-07T21:00:00.000Z	54 \| moderate	11.308 \| good	49.812 \| good	31.258 \| good	0.964 \| good	1.403 \| good	0.099 \| good
2025-06-07T22:00:00.000Z	56 \| moderate	12.186 \| fine	54.906 \| good	31.032 \| good	0.579 \| good	0.964 \| good	0.093 \| good
2025-06-07T23:00:00.000Z	56 \| moderate	12.415 \| fine	56.447 \| fine	29.707 \| good	0.689 \| good	1.327 \| good	0.096 \| good
2025-06-08T00:00:00.000Z	56 \| moderate	11.669 \| good	51.781 \| good	29.598 \| good	0.799 \| good	1.691 \| good	0.099 \| good
2025-06-08T01:00:00.000Z	56 \| moderate	12.28 \| fine	54.756 \| good	29.35 \| good	0.459 \| good	2.048 \| good	0.096 \| good
2025-06-08T02:00:00.000Z	58 \| moderate	12.8 \| fine	57.165 \| fine	28.267 \| good	0.589 \| good	2.889 \| good	0.101 \| good
2025-06-08T03:00:00.000Z	56 \| moderate	12.333 \| fine	54.958 \| good	27.113 \| good	0.72 \| good	3.73 \| good	0.105 \| good
2025-06-08T04:00:00.000Z	56 \| moderate	12.039 \| good	53.701 \| good	26.153 \| good	0.461 \| good	2.072 \| good	0.097 \| good
2025-06-08T05:00:00.000Z	54 \| moderate	11.404 \| good	50.732 \| good	25.959 \| good	0.628 \| good	3.014 \| good	0.101 \| good
2025-06-08T06:00:00.000Z	56 \| moderate	12.007 \| good	17.179 \| good	31.6 \| good	0.792 \| good	3.941 \| good	0.104 \| good
2025-06-08T07:00:00.000Z	54 \| moderate	11.115 \| good	48.983 \| good	25.708 \| good	0.476 \| good	2.172 \| good	0.099 \| good

Real-time 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

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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

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Frequently asked questions

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

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

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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?