What are the current PM10 levels at Cupertino, California?

The current PM10 levels in Cupertino, California are 28.008 μg/m3.

What are the current sulfur dioxide (SO2) levels at Cupertino, California?

The current sulfur dioxide (SO2) levels in Cupertino, California are 0.747 ppb.

What are the current ozone (O3) levels at Cupertino, California?

The current ozone (O3) levels at Cupertino, California is 28.527 ppm.

What are the current nitrogen dioxide (NO2) levels at Cupertino, California?

The current nitrogen dioxide (NO2) levels at Cupertino, California is 6.369 ppb.

Live air quality index in Cupertino, California today

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

Stay updated with real-time air quality in Cupertino, 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

Cupertino, California

Last updated: ... (Local time)

Major air pollutants in Cupertino, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

6.28 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

28.01 μg/m³

155

255

425

605+

Ozone (O₃)

28.53 ppb

201

201+

Sulfur Dioxide (SO₂)

0.75 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.37 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.32 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

Cupertino, California

Get Live Pollen Counts

Cupertino, California

Scroll To Air Quality Map

Track live Cupertino, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-04T07:00:00.000Z	54 \| moderate	10.97 \| good	44.8 \| good	31.649 \| good	0.824 \| good	4.962 \| good	0.277 \| good
2025-06-04T08:00:00.000Z	54 \| moderate	10.679 \| good	45.964 \| good	27.451 \| good	0.878 \| good	5.761 \| good	0.323 \| good
2025-06-04T09:00:00.000Z	56 \| moderate	11.683 \| good	46.935 \| good	24.514 \| good	0.878 \| good	5.82 \| good	0.276 \| good
2025-06-04T10:00:00.000Z	58 \| moderate	13.19 \| fine	57.568 \| fine	23.66 \| good	0.86 \| good	5.391 \| good	0.274 \| good
2025-06-04T11:00:00.000Z	54 \| moderate	10.892 \| good	44.041 \| good	23.962 \| good	0.835 \| good	4.259 \| good	0.268 \| good
2025-06-04T12:00:00.000Z	54 \| moderate	10.775 \| good	43.435 \| good	23.982 \| good	0.831 \| good	4.388 \| good	0.269 \| good
2025-06-04T13:00:00.000Z	52 \| moderate	9.823 \| good	43.835 \| good	14.457 \| good	0.603 \| good	2.363 \| good	0.114 \| good
2025-06-04T14:00:00.000Z	56 \| moderate	11.786 \| good	49.799 \| good	21.027 \| good	0.885 \| good	7.218 \| good	0.318 \| good
2025-06-04T15:00:00.000Z	52 \| moderate	10.256 \| good	40.678 \| good	21.512 \| good	0.957 \| good	7.273 \| good	0.331 \| good
2025-06-04T16:00:00.000Z	60 \| moderate	13.64 \| fine	59.301 \| fine	22.998 \| good	0.965 \| good	6.436 \| good	0.326 \| good
2025-06-04T17:00:00.000Z	60 \| moderate	14.034 \| fine	51.375 \| good	25.074 \| good	0.907 \| good	5.494 \| good	0.298 \| good
2025-06-04T18:00:00.000Z	60 \| moderate	13.869 \| fine	55.286 \| fine	27.644 \| good	1.217 \| good	5.666 \| good	0.293 \| good
2025-06-04T19:00:00.000Z	60 \| moderate	14.06 \| fine	59.142 \| fine	29.003 \| good	1.747 \| good	5.567 \| good	0.296 \| good
2025-06-04T20:00:00.000Z	62 \| moderate	15.424 \| fine	62.11 \| fine	37.924 \| good	1.234 \| good	6.182 \| good	0.284 \| good
2025-06-04T21:00:00.000Z	64 \| moderate	16.283 \| fine	59.387 \| fine	41.07 \| good	1.183 \| good	7.245 \| good	0.321 \| good
2025-06-04T22:00:00.000Z	67 \| moderate	18.143 \| fine	80.021 \| fine	42.67 \| good	1.063 \| good	6.257 \| good	0.328 \| good
2025-06-04T23:00:00.000Z	67 \| moderate	18.421 \| fine	81.755 \| fine	43.947 \| good	0.906 \| good	5.96 \| good	0.326 \| good
2025-06-05T00:00:00.000Z	67 \| moderate	17.829 \| fine	79.569 \| fine	43.565 \| good	0.879 \| good	5.987 \| good	0.322 \| good
2025-06-05T01:00:00.000Z	66 \| moderate	17.138 \| fine	76.4 \| fine	42.533 \| good	0.866 \| good	4.642 \| good	0.32 \| good
2025-06-05T02:00:00.000Z	60 \| moderate	14.406 \| fine	61.066 \| fine	39.515 \| good	1.009 \| good	6.024 \| good	0.319 \| good
2025-06-05T03:00:00.000Z	56 \| moderate	12.4 \| fine	52.644 \| good	37.452 \| good	0.932 \| good	5.485 \| good	0.324 \| good
2025-06-05T04:00:00.000Z	52 \| moderate	10.357 \| good	51.595 \| good	36.282 \| good	0.83 \| good	6.613 \| good	0.324 \| good
2025-06-05T05:00:00.000Z	54 \| moderate	10.916 \| good	47.279 \| good	32.729 \| good	0.799 \| good	7.27 \| good	0.324 \| good
2025-06-05T06:00:00.000Z	54 \| moderate	11.16 \| good	53.277 \| good	31.556 \| good	0.763 \| good	3.665 \| good	0.222 \| good
2025-06-05T07:00:00.000Z	52 \| moderate	9.746 \| good	51.322 \| good	28.772 \| good	0.784 \| good	3.659 \| good	0.23 \| good
2025-06-05T08:00:00.000Z	49 \| good	9.123 \| good	39.937 \| good	27.647 \| good	0.793 \| good	3.307 \| good	0.219 \| good
2025-06-05T09:00:00.000Z	44 \| good	8.415 \| good	33.604 \| good	27.572 \| good	0.865 \| good	3.016 \| good	0.165 \| good
2025-06-05T10:00:00.000Z	49 \| good	8.88 \| good	34.467 \| good	29.332 \| good	1.037 \| good	3.016 \| good	0.143 \| good
2025-06-05T11:00:00.000Z	44 \| good	8.213 \| good	34.072 \| good	29.749 \| good	1.022 \| good	5.036 \| good	0.143 \| good
2025-06-05T12:00:00.000Z	44 \| good	8.162 \| good	30.132 \| good	29.656 \| good	1.221 \| good	5.094 \| good	0.143 \| good
2025-06-05T13:00:00.000Z	44 \| good	7.988 \| good	29.743 \| good	30.035 \| good	1.535 \| good	5.364 \| good	0.249 \| good
2025-06-05T14:00:00.000Z	33 \| good	6.099 \| good	26.133 \| good	31.114 \| good	1.259 \| good	4.555 \| good	0.176 \| good
2025-06-05T15:00:00.000Z	44 \| good	7.695 \| good	31.13 \| good	30.904 \| good	1.247 \| good	4.212 \| good	0.163 \| good
2025-06-05T16:00:00.000Z	49 \| good	8.691 \| good	36.264 \| good	31.026 \| good	1.257 \| good	5.747 \| good	0.166 \| good
2025-06-05T17:00:00.000Z	44 \| good	7.651 \| good	33.822 \| good	31.393 \| good	1.282 \| good	4.808 \| good	0.232 \| good
2025-06-05T18:00:00.000Z	44 \| good	7.936 \| good	34.263 \| good	31.525 \| good	1.203 \| good	4.056 \| good	0.234 \| good
2025-06-05T19:00:00.000Z	49 \| good	8.942 \| good	39.03 \| good	32.36 \| good	1.117 \| good	3.89 \| good	0.234 \| good
2025-06-05T20:00:00.000Z	49 \| good	8.88 \| good	38.973 \| good	33.069 \| good	0.712 \| good	3.676 \| good	0.234 \| good
2025-06-05T21:00:00.000Z	44 \| good	8.486 \| good	37.421 \| good	34.666 \| good	0.941 \| good	4.442 \| good	0.222 \| good
2025-06-05T22:00:00.000Z	52 \| moderate	9.575 \| good	39.895 \| good	36.313 \| good	0.74 \| good	5.891 \| good	0.319 \| good
2025-06-05T23:00:00.000Z	49 \| good	8.786 \| good	38.411 \| good	36.391 \| good	1.21 \| good	5.698 \| good	0.319 \| good
2025-06-06T00:00:00.000Z	49 \| good	8.596 \| good	36.393 \| good	37.331 \| good	0.909 \| good	4.978 \| good	0.319 \| good
2025-06-06T01:00:00.000Z	34 \| good	6.438 \| good	31.394 \| good	37.34 \| good	0.734 \| good	4.028 \| good	0.313 \| good
2025-06-06T02:00:00.000Z	44 \| good	8.422 \| good	38.09 \| good	35.064 \| good	0.837 \| good	5.056 \| good	0.313 \| good
2025-06-06T03:00:00.000Z	44 \| good	8.036 \| good	30.255 \| good	34.591 \| good	0.971 \| good	5.098 \| good	0.313 \| good
2025-06-06T04:00:00.000Z	38 \| good	6.842 \| good	30.577 \| good	33.554 \| good	0.945 \| good	4.675 \| good	0.319 \| good
2025-06-06T05:00:00.000Z	33 \| good	6.467 \| good	28.604 \| good	31.054 \| good	0.775 \| good	6.121 \| good	0.319 \| good
2025-06-06T06:00:00.000Z	33 \| good	6.276 \| good	28.008 \| good	28.527 \| good	0.747 \| good	6.369 \| good	0.319 \| good
2025-06-06T06:00:00.000Z	33 \| good	6.276 \| good	28.008 \| good	28.527 \| good	0.747 \| good	6.369 \| good	0.319 \| good
2025-06-06T07:00:00.000Z	56 \| moderate	12.436 \| fine	55.607 \| fine	18.827 \| good	0.462 \| good	4.052 \| good	0.11 \| good
2025-06-06T08:00:00.000Z	56 \| moderate	12.128 \| fine	55.167 \| fine	17.612 \| good	0.6 \| good	5.289 \| good	0.12 \| good
2025-06-06T09:00:00.000Z	52 \| moderate	10.449 \| good	46.22 \| good	17.085 \| good	0.738 \| good	6.526 \| good	0.13 \| good
2025-06-06T10:00:00.000Z	54 \| moderate	11.034 \| good	48.845 \| good	17.501 \| good	0.49 \| good	3.458 \| good	0.106 \| good
2025-06-06T11:00:00.000Z	56 \| moderate	11.562 \| good	52.185 \| good	17.521 \| good	0.633 \| good	4.573 \| good	0.115 \| good
2025-06-06T12:00:00.000Z	49 \| good	9.019 \| good	40.442 \| good	18.059 \| good	0.776 \| good	5.689 \| good	0.124 \| good
2025-06-06T13:00:00.000Z	52 \| moderate	10.202 \| good	45.46 \| good	15.351 \| good	0.445 \| good	1.955 \| good	0.099 \| good
2025-06-06T14:00:00.000Z	56 \| moderate	12.493 \| fine	55.798 \| fine	19.475 \| good	0.595 \| good	2.553 \| good	0.105 \| good
2025-06-06T15:00:00.000Z	58 \| moderate	13.151 \| fine	59.46 \| fine	21.646 \| good	0.745 \| good	3.151 \| good	0.11 \| good
2025-06-06T16:00:00.000Z	60 \| moderate	14.296 \| fine	63.477 \| fine	24.409 \| good	0.455 \| good	1.386 \| good	0.101 \| good
2025-06-06T17:00:00.000Z	66 \| moderate	16.608 \| fine	74.32 \| fine	27.549 \| good	0.58 \| good	1.748 \| good	0.107 \| good
2025-06-06T18:00:00.000Z	66 \| moderate	16.822 \| fine	74.951 \| fine	33.343 \| good	0.706 \| good	2.111 \| good	0.113 \| good
2025-06-06T19:00:00.000Z	67 \| moderate	17.897 \| fine	79.233 \| fine	39.711 \| good	0.503 \| good	0.864 \| good	0.097 \| good
2025-06-06T20:00:00.000Z	67 \| moderate	18.262 \| fine	81.018 \| fine	45.772 \| good	0.612 \| good	1.037 \| good	0.103 \| good
2025-06-06T21:00:00.000Z	66 \| moderate	17.083 \| fine	75.762 \| fine	48.04 \| good	0.722 \| good	1.211 \| good	0.109 \| good
2025-06-06T22:00:00.000Z	64 \| moderate	16.174 \| fine	72.134 \| fine	47.421 \| good	0.493 \| good	1.044 \| good	0.097 \| good
2025-06-06T23:00:00.000Z	64 \| moderate	16.424 \| fine	72.708 \| fine	45.111 \| good	0.606 \| good	1.179 \| good	0.101 \| good
2025-06-07T00:00:00.000Z	58 \| moderate	13.12 \| fine	58.705 \| fine	41.504 \| good	0.718 \| good	1.314 \| good	0.106 \| good
2025-06-07T01:00:00.000Z	56 \| moderate	11.603 \| good	50.823 \| good	36.773 \| good	0.545 \| good	3.165 \| good	0.104 \| good
2025-06-07T02:00:00.000Z	60 \| moderate	13.98 \| fine	62.46 \| fine	34.34 \| good	0.676 \| good	3.389 \| good	0.107 \| good
2025-06-07T03:00:00.000Z	56 \| moderate	12.361 \| fine	55.286 \| fine	29.388 \| good	0.806 \| good	3.613 \| good	0.111 \| good
2025-06-07T04:00:00.000Z	58 \| moderate	13.202 \| fine	59.034 \| fine	26.147 \| good	0.851 \| good	5.839 \| good	0.113 \| good
2025-06-07T05:00:00.000Z	58 \| moderate	13.091 \| fine	58.61 \| fine	22.712 \| good	0.968 \| good	6.857 \| good	0.121 \| good
2025-06-07T06:00:00.000Z	56 \| moderate	12.389 \| fine	56.317 \| fine	21.911 \| good	1.086 \| good	7.874 \| good	0.129 \| good
2025-06-07T07:00:00.000Z	58 \| moderate	12.574 \| fine	56.303 \| fine	20.157 \| good	0.993 \| good	7.189 \| good	0.121 \| good
2025-06-07T08:00:00.000Z	58 \| moderate	13.403 \| fine	60.143 \| fine	17.357 \| good	1.135 \| good	9.088 \| good	0.133 \| good
2025-06-07T09:00:00.000Z	58 \| moderate	12.724 \| fine	57.544 \| fine	13.239 \| good	1.276 \| good	10.987 \| good	0.146 \| good
2025-06-07T10:00:00.000Z	60 \| moderate	13.539 \| fine	61.003 \| fine	12.893 \| good	0.927 \| good	7.051 \| good	0.122 \| good
2025-06-07T11:00:00.000Z	60 \| moderate	13.813 \| fine	61.264 \| fine	12.937 \| good	1.072 \| good	9.311 \| good	0.136 \| good
2025-06-07T12:00:00.000Z	60 \| moderate	14.494 \| fine	65.348 \| fine	14.372 \| good	1.216 \| good	11.572 \| good	0.151 \| good
2025-06-07T13:00:00.000Z	58 \| moderate	12.696 \| fine	57.786 \| fine	14.232 \| good	1.035 \| good	3.488 \| good	0.105 \| good
2025-06-07T14:00:00.000Z	58 \| moderate	13.168 \| fine	59.687 \| fine	17.598 \| good	1.277 \| good	4.414 \| good	0.113 \| good
2025-06-07T15:00:00.000Z	58 \| moderate	12.646 \| fine	57.389 \| fine	21.448 \| good	1.519 \| good	5.339 \| good	0.121 \| good
2025-06-07T16:00:00.000Z	58 \| moderate	13.207 \| fine	59.339 \| fine	25.755 \| good	0.811 \| good	1.808 \| good	0.1 \| good
2025-06-07T17:00:00.000Z	60 \| moderate	14.39 \| fine	63.756 \| fine	32.376 \| good	0.927 \| good	2.213 \| good	0.106 \| good
2025-06-07T18:00:00.000Z	58 \| moderate	13.148 \| fine	59.69 \| fine	36.716 \| good	1.043 \| good	2.618 \| good	0.113 \| good
2025-06-07T19:00:00.000Z	60 \| moderate	13.733 \| fine	62.204 \| fine	38.097 \| good	0.698 \| good	0.833 \| good	0.095 \| good
2025-06-07T20:00:00.000Z	60 \| moderate	13.924 \| fine	62.501 \| fine	39.295 \| good	0.77 \| good	1.013 \| good	0.1 \| good
2025-06-07T21:00:00.000Z	58 \| moderate	12.885 \| fine	58.489 \| fine	42.625 \| good	0.841 \| good	1.194 \| good	0.105 \| good
2025-06-07T22:00:00.000Z	56 \| moderate	12.431 \| fine	56.374 \| fine	42.391 \| good	0.644 \| good	0.945 \| good	0.096 \| good
2025-06-07T23:00:00.000Z	58 \| moderate	13.256 \| fine	58.981 \| fine	39.96 \| good	0.709 \| good	1.125 \| good	0.1 \| good
2025-06-08T00:00:00.000Z	56 \| moderate	12.36 \| fine	56.074 \| fine	34.945 \| good	0.775 \| good	1.305 \| good	0.105 \| good
2025-06-08T01:00:00.000Z	52 \| moderate	10.365 \| good	45.859 \| good	33.259 \| good	0.638 \| good	2.3 \| good	0.1 \| good
2025-06-08T02:00:00.000Z	56 \| moderate	12.158 \| fine	54.279 \| good	32.578 \| good	0.756 \| good	2.901 \| good	0.105 \| good
2025-06-08T03:00:00.000Z	54 \| moderate	11.406 \| good	50.692 \| good	28.456 \| good	0.874 \| good	3.502 \| good	0.111 \| good
2025-06-08T04:00:00.000Z	58 \| moderate	12.675 \| fine	56.418 \| fine	27.558 \| good	0.695 \| good	3.121 \| good	0.103 \| good
2025-06-08T05:00:00.000Z	60 \| moderate	13.51 \| fine	60.054 \| fine	25.259 \| good	0.887 \| good	4.309 \| good	0.11 \| good
2025-06-08T06:00:00.000Z	54 \| moderate	11.059 \| good	15.17 \| good	30.22 \| good	1.076 \| good	5.472 \| good	0.117 \| good

Cupertino

Empower business decisions with accurate air quality data

Cupertino, California air quality map: Real-time AQI near you

0.30ppm

How accurate is California, USA air quality data?

Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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Check live rankings of places in the USA affected by air pollution.

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Frequently asked questions

How frequently is the air quality data for Cupertino, California updated?

Air quality data for Cupertino, California is updated on an hourly basis.

When did Cupertino, California experience the worst air quality in the last 24 hours?

The worst air quality in Cupertino, California was recorded at 06:00:00 on 2025-06-05.

When did Cupertino, California have its best air quality in the last 24 hours?

The best air quality in Cupertino, California was recorded at 05:00:00 on 2025-06-06.

What is the real-time air quality index for Cupertino, California?

The real-time air quality index in Cupertino, California is 33, currently categorized as Good.

Which pollutant is found most often in Cupertino, California?

The most common pollutant in Cupertino, California is PM2.5.

What can I do if the air quality in Cupertino, California is poor?

If the air quality in Cupertino, California is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Cupertino, California?

The measured PM_2.5 levels in Cupertino, California at present are 6.276 μg/m³.

What are the current PM₁₀ levels at Cupertino, California?

The current PM₁₀ levels in Cupertino, California are 28.008 μg/m³.

What are the current carbon monoxide (CO) levels at Cupertino, California?

The current carbon monoxide (CO) level in Cupertino, California is 0.319 ppm.

What are the current sulfur dioxide (SO₂) levels at Cupertino, California?

The current sulfur dioxide (SO₂) levels in Cupertino, California are 0.747 ppb.

What are the current ozone (O₃) levels at Cupertino, California?

The current ozone (O₃) levels at Cupertino, California is 28.527 ppm.

What are the current nitrogen dioxide (NO₂) levels at Cupertino, California?

The current nitrogen dioxide (NO₂) levels at Cupertino, California is 6.369 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-04T07:00:00.000Z	54 \| moderate	10.97 \| good	44.8 \| good	31.649 \| good	0.824 \| good	4.962 \| good	0.277 \| good
2025-06-04T08:00:00.000Z	54 \| moderate	10.679 \| good	45.964 \| good	27.451 \| good	0.878 \| good	5.761 \| good	0.323 \| good
2025-06-04T09:00:00.000Z	56 \| moderate	11.683 \| good	46.935 \| good	24.514 \| good	0.878 \| good	5.82 \| good	0.276 \| good
2025-06-04T10:00:00.000Z	58 \| moderate	13.19 \| fine	57.568 \| fine	23.66 \| good	0.86 \| good	5.391 \| good	0.274 \| good
2025-06-04T11:00:00.000Z	54 \| moderate	10.892 \| good	44.041 \| good	23.962 \| good	0.835 \| good	4.259 \| good	0.268 \| good
2025-06-04T12:00:00.000Z	54 \| moderate	10.775 \| good	43.435 \| good	23.982 \| good	0.831 \| good	4.388 \| good	0.269 \| good
2025-06-04T13:00:00.000Z	52 \| moderate	9.823 \| good	43.835 \| good	14.457 \| good	0.603 \| good	2.363 \| good	0.114 \| good
2025-06-04T14:00:00.000Z	56 \| moderate	11.786 \| good	49.799 \| good	21.027 \| good	0.885 \| good	7.218 \| good	0.318 \| good
2025-06-04T15:00:00.000Z	52 \| moderate	10.256 \| good	40.678 \| good	21.512 \| good	0.957 \| good	7.273 \| good	0.331 \| good
2025-06-04T16:00:00.000Z	60 \| moderate	13.64 \| fine	59.301 \| fine	22.998 \| good	0.965 \| good	6.436 \| good	0.326 \| good
2025-06-04T17:00:00.000Z	60 \| moderate	14.034 \| fine	51.375 \| good	25.074 \| good	0.907 \| good	5.494 \| good	0.298 \| good
2025-06-04T18:00:00.000Z	60 \| moderate	13.869 \| fine	55.286 \| fine	27.644 \| good	1.217 \| good	5.666 \| good	0.293 \| good
2025-06-04T19:00:00.000Z	60 \| moderate	14.06 \| fine	59.142 \| fine	29.003 \| good	1.747 \| good	5.567 \| good	0.296 \| good
2025-06-04T20:00:00.000Z	62 \| moderate	15.424 \| fine	62.11 \| fine	37.924 \| good	1.234 \| good	6.182 \| good	0.284 \| good
2025-06-04T21:00:00.000Z	64 \| moderate	16.283 \| fine	59.387 \| fine	41.07 \| good	1.183 \| good	7.245 \| good	0.321 \| good
2025-06-04T22:00:00.000Z	67 \| moderate	18.143 \| fine	80.021 \| fine	42.67 \| good	1.063 \| good	6.257 \| good	0.328 \| good
2025-06-04T23:00:00.000Z	67 \| moderate	18.421 \| fine	81.755 \| fine	43.947 \| good	0.906 \| good	5.96 \| good	0.326 \| good
2025-06-05T00:00:00.000Z	67 \| moderate	17.829 \| fine	79.569 \| fine	43.565 \| good	0.879 \| good	5.987 \| good	0.322 \| good
2025-06-05T01:00:00.000Z	66 \| moderate	17.138 \| fine	76.4 \| fine	42.533 \| good	0.866 \| good	4.642 \| good	0.32 \| good
2025-06-05T02:00:00.000Z	60 \| moderate	14.406 \| fine	61.066 \| fine	39.515 \| good	1.009 \| good	6.024 \| good	0.319 \| good
2025-06-05T03:00:00.000Z	56 \| moderate	12.4 \| fine	52.644 \| good	37.452 \| good	0.932 \| good	5.485 \| good	0.324 \| good
2025-06-05T04:00:00.000Z	52 \| moderate	10.357 \| good	51.595 \| good	36.282 \| good	0.83 \| good	6.613 \| good	0.324 \| good
2025-06-05T05:00:00.000Z	54 \| moderate	10.916 \| good	47.279 \| good	32.729 \| good	0.799 \| good	7.27 \| good	0.324 \| good
2025-06-05T06:00:00.000Z	54 \| moderate	11.16 \| good	53.277 \| good	31.556 \| good	0.763 \| good	3.665 \| good	0.222 \| good
2025-06-05T07:00:00.000Z	52 \| moderate	9.746 \| good	51.322 \| good	28.772 \| good	0.784 \| good	3.659 \| good	0.23 \| good
2025-06-05T08:00:00.000Z	49 \| good	9.123 \| good	39.937 \| good	27.647 \| good	0.793 \| good	3.307 \| good	0.219 \| good
2025-06-05T09:00:00.000Z	44 \| good	8.415 \| good	33.604 \| good	27.572 \| good	0.865 \| good	3.016 \| good	0.165 \| good
2025-06-05T10:00:00.000Z	49 \| good	8.88 \| good	34.467 \| good	29.332 \| good	1.037 \| good	3.016 \| good	0.143 \| good
2025-06-05T11:00:00.000Z	44 \| good	8.213 \| good	34.072 \| good	29.749 \| good	1.022 \| good	5.036 \| good	0.143 \| good
2025-06-05T12:00:00.000Z	44 \| good	8.162 \| good	30.132 \| good	29.656 \| good	1.221 \| good	5.094 \| good	0.143 \| good
2025-06-05T13:00:00.000Z	44 \| good	7.988 \| good	29.743 \| good	30.035 \| good	1.535 \| good	5.364 \| good	0.249 \| good
2025-06-05T14:00:00.000Z	33 \| good	6.099 \| good	26.133 \| good	31.114 \| good	1.259 \| good	4.555 \| good	0.176 \| good
2025-06-05T15:00:00.000Z	44 \| good	7.695 \| good	31.13 \| good	30.904 \| good	1.247 \| good	4.212 \| good	0.163 \| good
2025-06-05T16:00:00.000Z	49 \| good	8.691 \| good	36.264 \| good	31.026 \| good	1.257 \| good	5.747 \| good	0.166 \| good
2025-06-05T17:00:00.000Z	44 \| good	7.651 \| good	33.822 \| good	31.393 \| good	1.282 \| good	4.808 \| good	0.232 \| good
2025-06-05T18:00:00.000Z	44 \| good	7.936 \| good	34.263 \| good	31.525 \| good	1.203 \| good	4.056 \| good	0.234 \| good
2025-06-05T19:00:00.000Z	49 \| good	8.942 \| good	39.03 \| good	32.36 \| good	1.117 \| good	3.89 \| good	0.234 \| good
2025-06-05T20:00:00.000Z	49 \| good	8.88 \| good	38.973 \| good	33.069 \| good	0.712 \| good	3.676 \| good	0.234 \| good
2025-06-05T21:00:00.000Z	44 \| good	8.486 \| good	37.421 \| good	34.666 \| good	0.941 \| good	4.442 \| good	0.222 \| good
2025-06-05T22:00:00.000Z	52 \| moderate	9.575 \| good	39.895 \| good	36.313 \| good	0.74 \| good	5.891 \| good	0.319 \| good
2025-06-05T23:00:00.000Z	49 \| good	8.786 \| good	38.411 \| good	36.391 \| good	1.21 \| good	5.698 \| good	0.319 \| good
2025-06-06T00:00:00.000Z	49 \| good	8.596 \| good	36.393 \| good	37.331 \| good	0.909 \| good	4.978 \| good	0.319 \| good
2025-06-06T01:00:00.000Z	34 \| good	6.438 \| good	31.394 \| good	37.34 \| good	0.734 \| good	4.028 \| good	0.313 \| good
2025-06-06T02:00:00.000Z	44 \| good	8.422 \| good	38.09 \| good	35.064 \| good	0.837 \| good	5.056 \| good	0.313 \| good
2025-06-06T03:00:00.000Z	44 \| good	8.036 \| good	30.255 \| good	34.591 \| good	0.971 \| good	5.098 \| good	0.313 \| good
2025-06-06T04:00:00.000Z	38 \| good	6.842 \| good	30.577 \| good	33.554 \| good	0.945 \| good	4.675 \| good	0.319 \| good
2025-06-06T05:00:00.000Z	33 \| good	6.467 \| good	28.604 \| good	31.054 \| good	0.775 \| good	6.121 \| good	0.319 \| good
2025-06-06T06:00:00.000Z	33 \| good	6.276 \| good	28.008 \| good	28.527 \| good	0.747 \| good	6.369 \| good	0.319 \| good
2025-06-06T06:00:00.000Z	33 \| good	6.276 \| good	28.008 \| good	28.527 \| good	0.747 \| good	6.369 \| good	0.319 \| good
2025-06-06T07:00:00.000Z	56 \| moderate	12.436 \| fine	55.607 \| fine	18.827 \| good	0.462 \| good	4.052 \| good	0.11 \| good
2025-06-06T08:00:00.000Z	56 \| moderate	12.128 \| fine	55.167 \| fine	17.612 \| good	0.6 \| good	5.289 \| good	0.12 \| good
2025-06-06T09:00:00.000Z	52 \| moderate	10.449 \| good	46.22 \| good	17.085 \| good	0.738 \| good	6.526 \| good	0.13 \| good
2025-06-06T10:00:00.000Z	54 \| moderate	11.034 \| good	48.845 \| good	17.501 \| good	0.49 \| good	3.458 \| good	0.106 \| good
2025-06-06T11:00:00.000Z	56 \| moderate	11.562 \| good	52.185 \| good	17.521 \| good	0.633 \| good	4.573 \| good	0.115 \| good
2025-06-06T12:00:00.000Z	49 \| good	9.019 \| good	40.442 \| good	18.059 \| good	0.776 \| good	5.689 \| good	0.124 \| good
2025-06-06T13:00:00.000Z	52 \| moderate	10.202 \| good	45.46 \| good	15.351 \| good	0.445 \| good	1.955 \| good	0.099 \| good
2025-06-06T14:00:00.000Z	56 \| moderate	12.493 \| fine	55.798 \| fine	19.475 \| good	0.595 \| good	2.553 \| good	0.105 \| good
2025-06-06T15:00:00.000Z	58 \| moderate	13.151 \| fine	59.46 \| fine	21.646 \| good	0.745 \| good	3.151 \| good	0.11 \| good
2025-06-06T16:00:00.000Z	60 \| moderate	14.296 \| fine	63.477 \| fine	24.409 \| good	0.455 \| good	1.386 \| good	0.101 \| good
2025-06-06T17:00:00.000Z	66 \| moderate	16.608 \| fine	74.32 \| fine	27.549 \| good	0.58 \| good	1.748 \| good	0.107 \| good
2025-06-06T18:00:00.000Z	66 \| moderate	16.822 \| fine	74.951 \| fine	33.343 \| good	0.706 \| good	2.111 \| good	0.113 \| good
2025-06-06T19:00:00.000Z	67 \| moderate	17.897 \| fine	79.233 \| fine	39.711 \| good	0.503 \| good	0.864 \| good	0.097 \| good
2025-06-06T20:00:00.000Z	67 \| moderate	18.262 \| fine	81.018 \| fine	45.772 \| good	0.612 \| good	1.037 \| good	0.103 \| good
2025-06-06T21:00:00.000Z	66 \| moderate	17.083 \| fine	75.762 \| fine	48.04 \| good	0.722 \| good	1.211 \| good	0.109 \| good
2025-06-06T22:00:00.000Z	64 \| moderate	16.174 \| fine	72.134 \| fine	47.421 \| good	0.493 \| good	1.044 \| good	0.097 \| good
2025-06-06T23:00:00.000Z	64 \| moderate	16.424 \| fine	72.708 \| fine	45.111 \| good	0.606 \| good	1.179 \| good	0.101 \| good
2025-06-07T00:00:00.000Z	58 \| moderate	13.12 \| fine	58.705 \| fine	41.504 \| good	0.718 \| good	1.314 \| good	0.106 \| good
2025-06-07T01:00:00.000Z	56 \| moderate	11.603 \| good	50.823 \| good	36.773 \| good	0.545 \| good	3.165 \| good	0.104 \| good
2025-06-07T02:00:00.000Z	60 \| moderate	13.98 \| fine	62.46 \| fine	34.34 \| good	0.676 \| good	3.389 \| good	0.107 \| good
2025-06-07T03:00:00.000Z	56 \| moderate	12.361 \| fine	55.286 \| fine	29.388 \| good	0.806 \| good	3.613 \| good	0.111 \| good
2025-06-07T04:00:00.000Z	58 \| moderate	13.202 \| fine	59.034 \| fine	26.147 \| good	0.851 \| good	5.839 \| good	0.113 \| good
2025-06-07T05:00:00.000Z	58 \| moderate	13.091 \| fine	58.61 \| fine	22.712 \| good	0.968 \| good	6.857 \| good	0.121 \| good
2025-06-07T06:00:00.000Z	56 \| moderate	12.389 \| fine	56.317 \| fine	21.911 \| good	1.086 \| good	7.874 \| good	0.129 \| good
2025-06-07T07:00:00.000Z	58 \| moderate	12.574 \| fine	56.303 \| fine	20.157 \| good	0.993 \| good	7.189 \| good	0.121 \| good
2025-06-07T08:00:00.000Z	58 \| moderate	13.403 \| fine	60.143 \| fine	17.357 \| good	1.135 \| good	9.088 \| good	0.133 \| good
2025-06-07T09:00:00.000Z	58 \| moderate	12.724 \| fine	57.544 \| fine	13.239 \| good	1.276 \| good	10.987 \| good	0.146 \| good
2025-06-07T10:00:00.000Z	60 \| moderate	13.539 \| fine	61.003 \| fine	12.893 \| good	0.927 \| good	7.051 \| good	0.122 \| good
2025-06-07T11:00:00.000Z	60 \| moderate	13.813 \| fine	61.264 \| fine	12.937 \| good	1.072 \| good	9.311 \| good	0.136 \| good
2025-06-07T12:00:00.000Z	60 \| moderate	14.494 \| fine	65.348 \| fine	14.372 \| good	1.216 \| good	11.572 \| good	0.151 \| good
2025-06-07T13:00:00.000Z	58 \| moderate	12.696 \| fine	57.786 \| fine	14.232 \| good	1.035 \| good	3.488 \| good	0.105 \| good
2025-06-07T14:00:00.000Z	58 \| moderate	13.168 \| fine	59.687 \| fine	17.598 \| good	1.277 \| good	4.414 \| good	0.113 \| good
2025-06-07T15:00:00.000Z	58 \| moderate	12.646 \| fine	57.389 \| fine	21.448 \| good	1.519 \| good	5.339 \| good	0.121 \| good
2025-06-07T16:00:00.000Z	58 \| moderate	13.207 \| fine	59.339 \| fine	25.755 \| good	0.811 \| good	1.808 \| good	0.1 \| good
2025-06-07T17:00:00.000Z	60 \| moderate	14.39 \| fine	63.756 \| fine	32.376 \| good	0.927 \| good	2.213 \| good	0.106 \| good
2025-06-07T18:00:00.000Z	58 \| moderate	13.148 \| fine	59.69 \| fine	36.716 \| good	1.043 \| good	2.618 \| good	0.113 \| good
2025-06-07T19:00:00.000Z	60 \| moderate	13.733 \| fine	62.204 \| fine	38.097 \| good	0.698 \| good	0.833 \| good	0.095 \| good
2025-06-07T20:00:00.000Z	60 \| moderate	13.924 \| fine	62.501 \| fine	39.295 \| good	0.77 \| good	1.013 \| good	0.1 \| good
2025-06-07T21:00:00.000Z	58 \| moderate	12.885 \| fine	58.489 \| fine	42.625 \| good	0.841 \| good	1.194 \| good	0.105 \| good
2025-06-07T22:00:00.000Z	56 \| moderate	12.431 \| fine	56.374 \| fine	42.391 \| good	0.644 \| good	0.945 \| good	0.096 \| good
2025-06-07T23:00:00.000Z	58 \| moderate	13.256 \| fine	58.981 \| fine	39.96 \| good	0.709 \| good	1.125 \| good	0.1 \| good
2025-06-08T00:00:00.000Z	56 \| moderate	12.36 \| fine	56.074 \| fine	34.945 \| good	0.775 \| good	1.305 \| good	0.105 \| good
2025-06-08T01:00:00.000Z	52 \| moderate	10.365 \| good	45.859 \| good	33.259 \| good	0.638 \| good	2.3 \| good	0.1 \| good
2025-06-08T02:00:00.000Z	56 \| moderate	12.158 \| fine	54.279 \| good	32.578 \| good	0.756 \| good	2.901 \| good	0.105 \| good
2025-06-08T03:00:00.000Z	54 \| moderate	11.406 \| good	50.692 \| good	28.456 \| good	0.874 \| good	3.502 \| good	0.111 \| good
2025-06-08T04:00:00.000Z	58 \| moderate	12.675 \| fine	56.418 \| fine	27.558 \| good	0.695 \| good	3.121 \| good	0.103 \| good
2025-06-08T05:00:00.000Z	60 \| moderate	13.51 \| fine	60.054 \| fine	25.259 \| good	0.887 \| good	4.309 \| good	0.11 \| good
2025-06-08T06:00:00.000Z	54 \| moderate	11.059 \| good	15.17 \| good	30.22 \| good	1.076 \| good	5.472 \| good	0.117 \| good

Live air quality index in Cupertino, California today

Major air pollutants in Cupertino, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Cupertino, California air quality forecast and history

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Cupertino, California air quality map: Real-time AQI near you

Air quality in nearby cities

Sunnyvale, California

Saratoga, California

Santa Clara, California

Campbell, California

Mountain View City, California

Los Altos, California

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Frequently asked questions

How frequently is the air quality data for Cupertino, California updated?

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What are the current PM2.5 levels in Cupertino, California?

What are the current PM10 levels at Cupertino, California?

What are the current carbon monoxide (CO) levels at Cupertino, California?

What are the current sulfur dioxide (SO2) levels at Cupertino, California?

What are the current ozone (O3) levels at Cupertino, California?

What are the current nitrogen dioxide (NO2) levels at Cupertino, California?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What are the current PM_2.5 levels in Cupertino, California?

What are the current PM₁₀ levels at Cupertino, California?

What are the current sulfur dioxide (SO₂) levels at Cupertino, California?

What are the current ozone (O₃) levels at Cupertino, California?

What are the current nitrogen dioxide (NO₂) levels at Cupertino, California?