What are the current PM10 levels at San Leandro, California?

The current PM10 levels in San Leandro, California are 20.746 μg/m3.

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

The current sulfur dioxide (SO2) levels in San Leandro, California are 0.77 ppb.

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

The current ozone (O3) levels at San Leandro, California is 21.759 ppm.

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

The current nitrogen dioxide (NO2) levels at San Leandro, California is 3.104 ppb.

Live air quality index in San Leandro, California today

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

Stay updated with real-time air quality in San Leandro, 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

San Leandro, California

Last updated: ... (Local time)

Major air pollutants in San Leandro, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

8.55 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

37.63 μg/m³

155

255

425

605+

Ozone (O₃)

14.88 ppb

201

201+

Sulfur Dioxide (SO₂)

0.48 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.06 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.31 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

San Leandro, California

Get Live Pollen Counts

San Leandro, California

Scroll To Air Quality Map

Track live San Leandro, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-09T19:00:00.000Z	24 \| good	2.87 \| good	12.476 \| good	25.781 \| good	0.697 \| good	3.019 \| good	0.216 \| good
2025-07-09T20:00:00.000Z	23 \| good	3.25 \| good	14.252 \| good	24.761 \| good	0.73 \| good	2.893 \| good	0.217 \| good
2025-07-09T21:00:00.000Z	24 \| good	3.346 \| good	14.502 \| good	25.773 \| good	0.723 \| good	3.082 \| good	0.307 \| good
2025-07-09T22:00:00.000Z	27 \| good	4.702 \| good	20.49 \| good	23.927 \| good	0.612 \| good	3.196 \| good	0.306 \| good
2025-07-09T23:00:00.000Z	22 \| good	4.364 \| good	19.304 \| good	23.005 \| good	0.566 \| good	2.143 \| good	0.306 \| good
2025-07-10T00:00:00.000Z	20 \| good	2.279 \| good	9.949 \| good	22.002 \| good	0.548 \| good	2.317 \| good	0.305 \| good
2025-07-10T01:00:00.000Z	20 \| good	2.13 \| good	8.644 \| good	21.909 \| good	0.583 \| good	2.811 \| good	0.306 \| good
2025-07-10T02:00:00.000Z	19 \| good	2.521 \| good	10.32 \| good	20.895 \| good	0.599 \| good	3.134 \| good	0.306 \| good
2025-07-10T03:00:00.000Z	21 \| good	2.333 \| good	9.784 \| good	22.752 \| good	0.552 \| good	2.988 \| good	0.306 \| good
2025-07-10T04:00:00.000Z	20 \| good	2.743 \| good	11.763 \| good	21.882 \| good	0.572 \| good	4.038 \| good	0.306 \| good
2025-07-10T05:00:00.000Z	22 \| good	4.35 \| good	19.233 \| good	21.57 \| good	0.72 \| good	3.569 \| good	0.307 \| good
2025-07-10T06:00:00.000Z	27 \| good	4.701 \| good	20.746 \| good	21.759 \| good	0.77 \| good	3.104 \| good	0.217 \| good
2025-07-10T07:00:00.000Z	27 \| good	4.982 \| good	21.71 \| good	23.702 \| good	0.749 \| good	2.436 \| good	0.215 \| good
2025-07-10T08:00:00.000Z	33 \| good	5.521 \| good	23.555 \| good	23.638 \| good	0.728 \| good	2.243 \| good	0.215 \| good
2025-07-10T09:00:00.000Z	33 \| good	5.749 \| good	25.175 \| good	22.717 \| good	0.77 \| good	1.801 \| good	0.21 \| good
2025-07-10T10:00:00.000Z	27 \| good	5.294 \| good	23.082 \| good	20.868 \| good	0.714 \| good	1.021 \| good	0.205 \| good
2025-07-10T11:00:00.000Z	22 \| good	4.175 \| good	18.301 \| good	20.794 \| good	0.721 \| good	1.211 \| good	0.205 \| good
2025-07-10T12:00:00.000Z	19 \| good	3.261 \| good	13.368 \| good	20.718 \| good	0.723 \| good	1.199 \| good	0.205 \| good
2025-07-10T13:00:00.000Z	19 \| good	3.289 \| good	13.388 \| good	19.865 \| good	0.692 \| good	2.792 \| good	0.301 \| good
2025-07-10T14:00:00.000Z	22 \| good	3.679 \| good	16.521 \| good	17.486 \| good	0.694 \| good	3.38 \| good	0.219 \| good
2025-07-10T15:00:00.000Z	16 \| good	3.396 \| good	14.754 \| good	15.808 \| good	0.714 \| good	4.153 \| good	0.31 \| good
2025-07-10T16:00:00.000Z	22 \| good	4.193 \| good	18.575 \| good	15.749 \| good	0.771 \| good	4.407 \| good	0.307 \| good
2025-07-10T17:00:00.000Z	27 \| good	4.598 \| good	20.522 \| good	15.88 \| good	0.848 \| good	5.258 \| good	0.312 \| good
2025-07-10T18:00:00.000Z	22 \| good	4.322 \| good	19.472 \| good	16.828 \| good	0.369 \| good	5.302 \| good	0.312 \| good
2025-07-10T19:00:00.000Z	18 \| good	3.387 \| good	15.162 \| good	18.746 \| good	0.609 \| good	5.046 \| good	0.311 \| good
2025-07-10T20:00:00.000Z	22 \| good	3.79 \| good	17.305 \| good	23.31 \| good	0.388 \| good	4.331 \| good	0.308 \| good
2025-07-10T21:00:00.000Z	23 \| good	3.845 \| good	16.634 \| good	25.296 \| good	0.752 \| good	6.018 \| good	0.307 \| good
2025-07-10T22:00:00.000Z	22 \| good	3.545 \| good	16.296 \| good	22.776 \| good	0.539 \| good	8.033 \| good	0.307 \| good
2025-07-10T23:00:00.000Z	33 \| good	5.573 \| good	24.662 \| good	21.203 \| good	0.788 \| good	9.447 \| good	0.398 \| good
2025-07-11T00:00:00.000Z	33 \| good	5.79 \| good	24.724 \| good	27.5 \| good	0.706 \| good	6.48 \| good	0.307 \| good
2025-07-11T01:00:00.000Z	27 \| good	5.271 \| good	22.827 \| good	28.333 \| good	0.486 \| good	5.956 \| good	0.305 \| good
2025-07-11T02:00:00.000Z	27 \| good	5.14 \| good	23.885 \| good	22.925 \| good	0.702 \| good	6.019 \| good	0.306 \| good
2025-07-11T03:00:00.000Z	33 \| good	5.556 \| good	24.085 \| good	21.002 \| good	0.731 \| good	4.592 \| good	0.3 \| good
2025-07-11T04:00:00.000Z	33 \| good	6.127 \| good	27.448 \| good	15.543 \| good	0.663 \| good	7.426 \| good	0.305 \| good
2025-07-11T05:00:00.000Z	38 \| good	6.861 \| good	31.265 \| good	11.719 \| good	0.646 \| good	8.684 \| good	0.307 \| good
2025-07-11T06:00:00.000Z	52 \| moderate	9.541 \| good	42.938 \| good	8.027 \| good	0.773 \| good	11.919 \| good	0.398 \| good
2025-07-11T07:00:00.000Z	49 \| good	8.719 \| good	39.635 \| good	9.09 \| good	0.68 \| good	11.62 \| good	0.306 \| good
2025-07-11T08:00:00.000Z	38 \| good	6.908 \| good	30.649 \| good	10.708 \| good	0.741 \| good	8.597 \| good	0.306 \| good
2025-07-11T09:00:00.000Z	33 \| good	5.51 \| good	24.068 \| good	11.539 \| good	0.755 \| good	7.577 \| good	0.306 \| good
2025-07-11T10:00:00.000Z	27 \| good	5.384 \| good	23.774 \| good	12.226 \| good	0.755 \| good	6.257 \| good	0.305 \| good
2025-07-11T11:00:00.000Z	33 \| good	5.764 \| good	24.609 \| good	12.163 \| good	0.772 \| good	5.942 \| good	0.301 \| good
2025-07-11T12:00:00.000Z	33 \| good	6.005 \| good	26.045 \| good	12.119 \| good	0.965 \| good	5.955 \| good	0.298 \| good
2025-07-11T13:00:00.000Z	38 \| good	6.685 \| good	30.066 \| good	10.304 \| good	0.584 \| good	7.557 \| good	0.307 \| good
2025-07-11T14:00:00.000Z	44 \| good	8.384 \| good	37.023 \| good	12.911 \| good	0.731 \| good	7.001 \| good	0.311 \| good
2025-07-11T15:00:00.000Z	52 \| moderate	10.476 \| good	46.81 \| good	13.932 \| good	0.663 \| good	6.433 \| good	0.308 \| good
2025-07-11T16:00:00.000Z	56 \| moderate	12.301 \| fine	54.817 \| good	13.907 \| good	0.717 \| good	6.951 \| good	0.309 \| good
2025-07-11T17:00:00.000Z	49 \| good	9.206 \| good	41.008 \| good	13.851 \| good	0.764 \| good	5.884 \| good	0.312 \| good
2025-07-11T18:00:00.000Z	49 \| good	8.552 \| good	37.632 \| good	14.884 \| good	0.48 \| good	6.06 \| good	0.312 \| good
2025-07-11T18:00:00.000Z	49 \| good	8.552 \| good	37.632 \| good	14.884 \| good	0.48 \| good	6.06 \| good	0.312 \| good
2025-07-10T07:00:00.000Z	38 \| good	6.654 \| good	29.822 \| good	15.897 \| good	0.935 \| good	7.246 \| good	0.125 \| good
2025-07-10T08:00:00.000Z	33 \| good	6.432 \| good	28.887 \| good	16.359 \| good	0.925 \| good	7.259 \| good	0.124 \| good
2025-07-10T09:00:00.000Z	33 \| good	5.823 \| good	25.092 \| good	17.239 \| good	0.914 \| good	7.272 \| good	0.122 \| good
2025-07-10T10:00:00.000Z	27 \| good	4.883 \| good	21.062 \| good	17.291 \| good	0.885 \| good	6.894 \| good	0.119 \| good
2025-07-10T11:00:00.000Z	27 \| good	5.473 \| good	23.453 \| good	16.428 \| good	0.857 \| good	6.515 \| good	0.116 \| good
2025-07-10T12:00:00.000Z	38 \| good	6.572 \| good	29.062 \| good	17.175 \| good	0.828 \| good	6.137 \| good	0.112 \| good
2025-07-10T13:00:00.000Z	38 \| good	7.029 \| good	31.094 \| good	14.515 \| good	0.86 \| good	5.519 \| good	0.112 \| good
2025-07-10T14:00:00.000Z	38 \| good	7.138 \| good	31.803 \| good	12.518 \| good	0.892 \| good	4.901 \| good	0.112 \| good
2025-07-10T15:00:00.000Z	38 \| good	6.572 \| good	29.143 \| good	13.115 \| good	0.925 \| good	4.283 \| good	0.112 \| good
2025-07-10T16:00:00.000Z	44 \| good	8.005 \| good	34.912 \| good	15.515 \| good	1.003 \| good	4.016 \| good	0.114 \| good
2025-07-10T17:00:00.000Z	44 \| good	8.274 \| good	36.246 \| good	19.412 \| good	1.082 \| good	3.749 \| good	0.117 \| good
2025-07-10T18:00:00.000Z	44 \| good	7.596 \| good	33.69 \| good	23.58 \| good	1.161 \| good	3.482 \| good	0.119 \| good
2025-07-10T19:00:00.000Z	38 \| good	7.123 \| good	31.59 \| good	28.293 \| good	1.218 \| good	3.235 \| good	0.12 \| good
2025-07-10T20:00:00.000Z	49 \| good	8.536 \| good	37.748 \| good	31.735 \| good	1.274 \| good	2.989 \| good	0.12 \| good
2025-07-10T21:00:00.000Z	44 \| good	8.026 \| good	35.37 \| good	34.001 \| good	1.331 \| good	2.742 \| good	0.121 \| good
2025-07-10T22:00:00.000Z	44 \| good	8.281 \| good	36.196 \| good	33.38 \| good	1.277 \| good	2.762 \| good	0.121 \| good
2025-07-10T23:00:00.000Z	38 \| good	6.56 \| good	29.236 \| good	29.095 \| good	1.223 \| good	2.782 \| good	0.121 \| good
2025-07-11T00:00:00.000Z	44 \| good	7.923 \| good	34.507 \| good	24.997 \| good	1.17 \| good	2.801 \| good	0.12 \| good
2025-07-11T01:00:00.000Z	44 \| good	8.161 \| good	35.496 \| good	21.742 \| good	1.155 \| good	4.201 \| good	0.125 \| good
2025-07-11T02:00:00.000Z	44 \| good	8.293 \| good	36.263 \| good	18.011 \| good	1.14 \| good	5.601 \| good	0.129 \| good
2025-07-11T03:00:00.000Z	44 \| good	8.343 \| good	36.431 \| good	15.544 \| good	1.125 \| good	7.001 \| good	0.133 \| good
2025-07-11T04:00:00.000Z	49 \| good	9.382 \| good	41.984 \| good	14.17 \| good	1.148 \| good	7.815 \| good	0.135 \| good
2025-07-11T05:00:00.000Z	49 \| good	9.081 \| good	40.689 \| good	14.48 \| good	1.17 \| good	8.629 \| good	0.137 \| good
2025-07-11T06:00:00.000Z	38 \| good	7.018 \| good	31.024 \| good	13.478 \| good	1.193 \| good	9.443 \| good	0.138 \| good
2025-07-11T07:00:00.000Z	38 \| good	6.682 \| good	29.939 \| good	13.012 \| good	1.174 \| good	9.096 \| good	0.135 \| good
2025-07-11T08:00:00.000Z	33 \| good	5.801 \| good	25.143 \| good	13.818 \| good	1.156 \| good	8.748 \| good	0.132 \| good
2025-07-11T09:00:00.000Z	27 \| good	5.385 \| good	23.086 \| good	15.169 \| good	1.137 \| good	8.4 \| good	0.128 \| good
2025-07-11T10:00:00.000Z	22 \| good	4.307 \| good	18.902 \| good	15.018 \| good	1.119 \| good	8.04 \| good	0.124 \| good
2025-07-11T11:00:00.000Z	22 \| good	4.312 \| good	18.829 \| good	14.801 \| good	1.1 \| good	7.679 \| good	0.12 \| good
2025-07-11T12:00:00.000Z	33 \| good	6.068 \| good	26.517 \| good	16.517 \| good	1.082 \| good	7.319 \| good	0.116 \| good
2025-07-11T13:00:00.000Z	27 \| good	5.13 \| good	22.408 \| good	13 \| good	1.161 \| good	6.577 \| good	0.115 \| good
2025-07-11T14:00:00.000Z	22 \| good	4.404 \| good	19.257 \| good	13.016 \| good	1.239 \| good	5.834 \| good	0.115 \| good
2025-07-11T15:00:00.000Z	27 \| good	4.632 \| good	19.954 \| good	14.411 \| good	1.318 \| good	5.091 \| good	0.115 \| good
2025-07-11T16:00:00.000Z	27 \| good	5.225 \| good	22.798 \| good	15.899 \| good	1.42 \| good	4.799 \| good	0.118 \| good
2025-07-11T17:00:00.000Z	27 \| good	5.454 \| good	23.438 \| good	19.298 \| good	1.522 \| good	4.506 \| good	0.121 \| good
2025-07-11T18:00:00.000Z	33 \| good	5.608 \| good	24.483 \| good	23.206 \| good	1.625 \| good	4.213 \| good	0.123 \| good
2025-07-11T19:00:00.000Z	33 \| good	5.842 \| good	25.588 \| good	27.053 \| good	1.658 \| good	3.876 \| good	0.124 \| good
2025-07-11T20:00:00.000Z	38 \| good	7.094 \| good	31.314 \| good	28.644 \| good	1.691 \| good	3.54 \| good	0.124 \| good
2025-07-11T21:00:00.000Z	44 \| good	8.065 \| good	35.609 \| good	30.856 \| good	1.724 \| good	3.203 \| good	0.124 \| good
2025-07-11T22:00:00.000Z	52 \| moderate	9.506 \| good	42.205 \| good	31.248 \| good	1.631 \| good	3.088 \| good	0.123 \| good
2025-07-11T23:00:00.000Z	49 \| good	9.109 \| good	40.828 \| good	30.13 \| good	1.538 \| good	2.973 \| good	0.122 \| good
2025-07-12T00:00:00.000Z	52 \| moderate	9.988 \| good	44.37 \| good	27.631 \| good	1.445 \| good	2.859 \| good	0.121 \| good
2025-07-12T01:00:00.000Z	49 \| good	9.091 \| good	40.818 \| good	24.128 \| good	1.349 \| good	4.037 \| good	0.122 \| good
2025-07-12T02:00:00.000Z	49 \| good	8.803 \| good	38.903 \| good	21.02 \| good	1.254 \| good	5.216 \| good	0.123 \| good
2025-07-12T03:00:00.000Z	49 \| good	9.036 \| good	40.373 \| good	18.766 \| good	1.158 \| good	6.394 \| good	0.125 \| good
2025-07-12T04:00:00.000Z	49 \| good	9.402 \| good	41.906 \| good	15.043 \| good	1.148 \| good	6.984 \| good	0.124 \| good
2025-07-12T05:00:00.000Z	52 \| moderate	9.946 \| good	43.968 \| good	14.923 \| good	1.138 \| good	7.574 \| good	0.124 \| good
2025-07-12T06:00:00.000Z	60 \| moderate	14.426 \| fine	17.037 \| good	18.682 \| good	1.11 \| good	8.043 \| good	0.123 \| good

San Leandro

Empower business decisions with accurate air quality data

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

0.31ppm

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 San Leandro, California updated?

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

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

The worst air quality in San Leandro, California was recorded at 10:00:00 on 2025-07-09.

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

The best air quality in San Leandro, California was recorded at 02:00:00 on 2025-07-10.

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

The real-time air quality index in San Leandro, California is 27, currently categorized as Good.

Which pollutant is found most often in San Leandro, California?

The most common pollutant in San Leandro, California is PM2.5.

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

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

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

The measured PM_2.5 levels in San Leandro, California at present are 4.701 μg/m³.

What are the current PM₁₀ levels at San Leandro, California?

The current PM₁₀ levels in San Leandro, California are 20.746 μg/m³.

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

The current carbon monoxide (CO) level in San Leandro, California is 0.217 ppm.

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

The current sulfur dioxide (SO₂) levels in San Leandro, California are 0.77 ppb.

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

The current ozone (O₃) levels at San Leandro, California is 21.759 ppm.

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

The current nitrogen dioxide (NO₂) levels at San Leandro, California is 3.104 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-09T19:00:00.000Z	24 \| good	2.87 \| good	12.476 \| good	25.781 \| good	0.697 \| good	3.019 \| good	0.216 \| good
2025-07-09T20:00:00.000Z	23 \| good	3.25 \| good	14.252 \| good	24.761 \| good	0.73 \| good	2.893 \| good	0.217 \| good
2025-07-09T21:00:00.000Z	24 \| good	3.346 \| good	14.502 \| good	25.773 \| good	0.723 \| good	3.082 \| good	0.307 \| good
2025-07-09T22:00:00.000Z	27 \| good	4.702 \| good	20.49 \| good	23.927 \| good	0.612 \| good	3.196 \| good	0.306 \| good
2025-07-09T23:00:00.000Z	22 \| good	4.364 \| good	19.304 \| good	23.005 \| good	0.566 \| good	2.143 \| good	0.306 \| good
2025-07-10T00:00:00.000Z	20 \| good	2.279 \| good	9.949 \| good	22.002 \| good	0.548 \| good	2.317 \| good	0.305 \| good
2025-07-10T01:00:00.000Z	20 \| good	2.13 \| good	8.644 \| good	21.909 \| good	0.583 \| good	2.811 \| good	0.306 \| good
2025-07-10T02:00:00.000Z	19 \| good	2.521 \| good	10.32 \| good	20.895 \| good	0.599 \| good	3.134 \| good	0.306 \| good
2025-07-10T03:00:00.000Z	21 \| good	2.333 \| good	9.784 \| good	22.752 \| good	0.552 \| good	2.988 \| good	0.306 \| good
2025-07-10T04:00:00.000Z	20 \| good	2.743 \| good	11.763 \| good	21.882 \| good	0.572 \| good	4.038 \| good	0.306 \| good
2025-07-10T05:00:00.000Z	22 \| good	4.35 \| good	19.233 \| good	21.57 \| good	0.72 \| good	3.569 \| good	0.307 \| good
2025-07-10T06:00:00.000Z	27 \| good	4.701 \| good	20.746 \| good	21.759 \| good	0.77 \| good	3.104 \| good	0.217 \| good
2025-07-10T07:00:00.000Z	27 \| good	4.982 \| good	21.71 \| good	23.702 \| good	0.749 \| good	2.436 \| good	0.215 \| good
2025-07-10T08:00:00.000Z	33 \| good	5.521 \| good	23.555 \| good	23.638 \| good	0.728 \| good	2.243 \| good	0.215 \| good
2025-07-10T09:00:00.000Z	33 \| good	5.749 \| good	25.175 \| good	22.717 \| good	0.77 \| good	1.801 \| good	0.21 \| good
2025-07-10T10:00:00.000Z	27 \| good	5.294 \| good	23.082 \| good	20.868 \| good	0.714 \| good	1.021 \| good	0.205 \| good
2025-07-10T11:00:00.000Z	22 \| good	4.175 \| good	18.301 \| good	20.794 \| good	0.721 \| good	1.211 \| good	0.205 \| good
2025-07-10T12:00:00.000Z	19 \| good	3.261 \| good	13.368 \| good	20.718 \| good	0.723 \| good	1.199 \| good	0.205 \| good
2025-07-10T13:00:00.000Z	19 \| good	3.289 \| good	13.388 \| good	19.865 \| good	0.692 \| good	2.792 \| good	0.301 \| good
2025-07-10T14:00:00.000Z	22 \| good	3.679 \| good	16.521 \| good	17.486 \| good	0.694 \| good	3.38 \| good	0.219 \| good
2025-07-10T15:00:00.000Z	16 \| good	3.396 \| good	14.754 \| good	15.808 \| good	0.714 \| good	4.153 \| good	0.31 \| good
2025-07-10T16:00:00.000Z	22 \| good	4.193 \| good	18.575 \| good	15.749 \| good	0.771 \| good	4.407 \| good	0.307 \| good
2025-07-10T17:00:00.000Z	27 \| good	4.598 \| good	20.522 \| good	15.88 \| good	0.848 \| good	5.258 \| good	0.312 \| good
2025-07-10T18:00:00.000Z	22 \| good	4.322 \| good	19.472 \| good	16.828 \| good	0.369 \| good	5.302 \| good	0.312 \| good
2025-07-10T19:00:00.000Z	18 \| good	3.387 \| good	15.162 \| good	18.746 \| good	0.609 \| good	5.046 \| good	0.311 \| good
2025-07-10T20:00:00.000Z	22 \| good	3.79 \| good	17.305 \| good	23.31 \| good	0.388 \| good	4.331 \| good	0.308 \| good
2025-07-10T21:00:00.000Z	23 \| good	3.845 \| good	16.634 \| good	25.296 \| good	0.752 \| good	6.018 \| good	0.307 \| good
2025-07-10T22:00:00.000Z	22 \| good	3.545 \| good	16.296 \| good	22.776 \| good	0.539 \| good	8.033 \| good	0.307 \| good
2025-07-10T23:00:00.000Z	33 \| good	5.573 \| good	24.662 \| good	21.203 \| good	0.788 \| good	9.447 \| good	0.398 \| good
2025-07-11T00:00:00.000Z	33 \| good	5.79 \| good	24.724 \| good	27.5 \| good	0.706 \| good	6.48 \| good	0.307 \| good
2025-07-11T01:00:00.000Z	27 \| good	5.271 \| good	22.827 \| good	28.333 \| good	0.486 \| good	5.956 \| good	0.305 \| good
2025-07-11T02:00:00.000Z	27 \| good	5.14 \| good	23.885 \| good	22.925 \| good	0.702 \| good	6.019 \| good	0.306 \| good
2025-07-11T03:00:00.000Z	33 \| good	5.556 \| good	24.085 \| good	21.002 \| good	0.731 \| good	4.592 \| good	0.3 \| good
2025-07-11T04:00:00.000Z	33 \| good	6.127 \| good	27.448 \| good	15.543 \| good	0.663 \| good	7.426 \| good	0.305 \| good
2025-07-11T05:00:00.000Z	38 \| good	6.861 \| good	31.265 \| good	11.719 \| good	0.646 \| good	8.684 \| good	0.307 \| good
2025-07-11T06:00:00.000Z	52 \| moderate	9.541 \| good	42.938 \| good	8.027 \| good	0.773 \| good	11.919 \| good	0.398 \| good
2025-07-11T07:00:00.000Z	49 \| good	8.719 \| good	39.635 \| good	9.09 \| good	0.68 \| good	11.62 \| good	0.306 \| good
2025-07-11T08:00:00.000Z	38 \| good	6.908 \| good	30.649 \| good	10.708 \| good	0.741 \| good	8.597 \| good	0.306 \| good
2025-07-11T09:00:00.000Z	33 \| good	5.51 \| good	24.068 \| good	11.539 \| good	0.755 \| good	7.577 \| good	0.306 \| good
2025-07-11T10:00:00.000Z	27 \| good	5.384 \| good	23.774 \| good	12.226 \| good	0.755 \| good	6.257 \| good	0.305 \| good
2025-07-11T11:00:00.000Z	33 \| good	5.764 \| good	24.609 \| good	12.163 \| good	0.772 \| good	5.942 \| good	0.301 \| good
2025-07-11T12:00:00.000Z	33 \| good	6.005 \| good	26.045 \| good	12.119 \| good	0.965 \| good	5.955 \| good	0.298 \| good
2025-07-11T13:00:00.000Z	38 \| good	6.685 \| good	30.066 \| good	10.304 \| good	0.584 \| good	7.557 \| good	0.307 \| good
2025-07-11T14:00:00.000Z	44 \| good	8.384 \| good	37.023 \| good	12.911 \| good	0.731 \| good	7.001 \| good	0.311 \| good
2025-07-11T15:00:00.000Z	52 \| moderate	10.476 \| good	46.81 \| good	13.932 \| good	0.663 \| good	6.433 \| good	0.308 \| good
2025-07-11T16:00:00.000Z	56 \| moderate	12.301 \| fine	54.817 \| good	13.907 \| good	0.717 \| good	6.951 \| good	0.309 \| good
2025-07-11T17:00:00.000Z	49 \| good	9.206 \| good	41.008 \| good	13.851 \| good	0.764 \| good	5.884 \| good	0.312 \| good
2025-07-11T18:00:00.000Z	49 \| good	8.552 \| good	37.632 \| good	14.884 \| good	0.48 \| good	6.06 \| good	0.312 \| good
2025-07-11T18:00:00.000Z	49 \| good	8.552 \| good	37.632 \| good	14.884 \| good	0.48 \| good	6.06 \| good	0.312 \| good
2025-07-10T07:00:00.000Z	38 \| good	6.654 \| good	29.822 \| good	15.897 \| good	0.935 \| good	7.246 \| good	0.125 \| good
2025-07-10T08:00:00.000Z	33 \| good	6.432 \| good	28.887 \| good	16.359 \| good	0.925 \| good	7.259 \| good	0.124 \| good
2025-07-10T09:00:00.000Z	33 \| good	5.823 \| good	25.092 \| good	17.239 \| good	0.914 \| good	7.272 \| good	0.122 \| good
2025-07-10T10:00:00.000Z	27 \| good	4.883 \| good	21.062 \| good	17.291 \| good	0.885 \| good	6.894 \| good	0.119 \| good
2025-07-10T11:00:00.000Z	27 \| good	5.473 \| good	23.453 \| good	16.428 \| good	0.857 \| good	6.515 \| good	0.116 \| good
2025-07-10T12:00:00.000Z	38 \| good	6.572 \| good	29.062 \| good	17.175 \| good	0.828 \| good	6.137 \| good	0.112 \| good
2025-07-10T13:00:00.000Z	38 \| good	7.029 \| good	31.094 \| good	14.515 \| good	0.86 \| good	5.519 \| good	0.112 \| good
2025-07-10T14:00:00.000Z	38 \| good	7.138 \| good	31.803 \| good	12.518 \| good	0.892 \| good	4.901 \| good	0.112 \| good
2025-07-10T15:00:00.000Z	38 \| good	6.572 \| good	29.143 \| good	13.115 \| good	0.925 \| good	4.283 \| good	0.112 \| good
2025-07-10T16:00:00.000Z	44 \| good	8.005 \| good	34.912 \| good	15.515 \| good	1.003 \| good	4.016 \| good	0.114 \| good
2025-07-10T17:00:00.000Z	44 \| good	8.274 \| good	36.246 \| good	19.412 \| good	1.082 \| good	3.749 \| good	0.117 \| good
2025-07-10T18:00:00.000Z	44 \| good	7.596 \| good	33.69 \| good	23.58 \| good	1.161 \| good	3.482 \| good	0.119 \| good
2025-07-10T19:00:00.000Z	38 \| good	7.123 \| good	31.59 \| good	28.293 \| good	1.218 \| good	3.235 \| good	0.12 \| good
2025-07-10T20:00:00.000Z	49 \| good	8.536 \| good	37.748 \| good	31.735 \| good	1.274 \| good	2.989 \| good	0.12 \| good
2025-07-10T21:00:00.000Z	44 \| good	8.026 \| good	35.37 \| good	34.001 \| good	1.331 \| good	2.742 \| good	0.121 \| good
2025-07-10T22:00:00.000Z	44 \| good	8.281 \| good	36.196 \| good	33.38 \| good	1.277 \| good	2.762 \| good	0.121 \| good
2025-07-10T23:00:00.000Z	38 \| good	6.56 \| good	29.236 \| good	29.095 \| good	1.223 \| good	2.782 \| good	0.121 \| good
2025-07-11T00:00:00.000Z	44 \| good	7.923 \| good	34.507 \| good	24.997 \| good	1.17 \| good	2.801 \| good	0.12 \| good
2025-07-11T01:00:00.000Z	44 \| good	8.161 \| good	35.496 \| good	21.742 \| good	1.155 \| good	4.201 \| good	0.125 \| good
2025-07-11T02:00:00.000Z	44 \| good	8.293 \| good	36.263 \| good	18.011 \| good	1.14 \| good	5.601 \| good	0.129 \| good
2025-07-11T03:00:00.000Z	44 \| good	8.343 \| good	36.431 \| good	15.544 \| good	1.125 \| good	7.001 \| good	0.133 \| good
2025-07-11T04:00:00.000Z	49 \| good	9.382 \| good	41.984 \| good	14.17 \| good	1.148 \| good	7.815 \| good	0.135 \| good
2025-07-11T05:00:00.000Z	49 \| good	9.081 \| good	40.689 \| good	14.48 \| good	1.17 \| good	8.629 \| good	0.137 \| good
2025-07-11T06:00:00.000Z	38 \| good	7.018 \| good	31.024 \| good	13.478 \| good	1.193 \| good	9.443 \| good	0.138 \| good
2025-07-11T07:00:00.000Z	38 \| good	6.682 \| good	29.939 \| good	13.012 \| good	1.174 \| good	9.096 \| good	0.135 \| good
2025-07-11T08:00:00.000Z	33 \| good	5.801 \| good	25.143 \| good	13.818 \| good	1.156 \| good	8.748 \| good	0.132 \| good
2025-07-11T09:00:00.000Z	27 \| good	5.385 \| good	23.086 \| good	15.169 \| good	1.137 \| good	8.4 \| good	0.128 \| good
2025-07-11T10:00:00.000Z	22 \| good	4.307 \| good	18.902 \| good	15.018 \| good	1.119 \| good	8.04 \| good	0.124 \| good
2025-07-11T11:00:00.000Z	22 \| good	4.312 \| good	18.829 \| good	14.801 \| good	1.1 \| good	7.679 \| good	0.12 \| good
2025-07-11T12:00:00.000Z	33 \| good	6.068 \| good	26.517 \| good	16.517 \| good	1.082 \| good	7.319 \| good	0.116 \| good
2025-07-11T13:00:00.000Z	27 \| good	5.13 \| good	22.408 \| good	13 \| good	1.161 \| good	6.577 \| good	0.115 \| good
2025-07-11T14:00:00.000Z	22 \| good	4.404 \| good	19.257 \| good	13.016 \| good	1.239 \| good	5.834 \| good	0.115 \| good
2025-07-11T15:00:00.000Z	27 \| good	4.632 \| good	19.954 \| good	14.411 \| good	1.318 \| good	5.091 \| good	0.115 \| good
2025-07-11T16:00:00.000Z	27 \| good	5.225 \| good	22.798 \| good	15.899 \| good	1.42 \| good	4.799 \| good	0.118 \| good
2025-07-11T17:00:00.000Z	27 \| good	5.454 \| good	23.438 \| good	19.298 \| good	1.522 \| good	4.506 \| good	0.121 \| good
2025-07-11T18:00:00.000Z	33 \| good	5.608 \| good	24.483 \| good	23.206 \| good	1.625 \| good	4.213 \| good	0.123 \| good
2025-07-11T19:00:00.000Z	33 \| good	5.842 \| good	25.588 \| good	27.053 \| good	1.658 \| good	3.876 \| good	0.124 \| good
2025-07-11T20:00:00.000Z	38 \| good	7.094 \| good	31.314 \| good	28.644 \| good	1.691 \| good	3.54 \| good	0.124 \| good
2025-07-11T21:00:00.000Z	44 \| good	8.065 \| good	35.609 \| good	30.856 \| good	1.724 \| good	3.203 \| good	0.124 \| good
2025-07-11T22:00:00.000Z	52 \| moderate	9.506 \| good	42.205 \| good	31.248 \| good	1.631 \| good	3.088 \| good	0.123 \| good
2025-07-11T23:00:00.000Z	49 \| good	9.109 \| good	40.828 \| good	30.13 \| good	1.538 \| good	2.973 \| good	0.122 \| good
2025-07-12T00:00:00.000Z	52 \| moderate	9.988 \| good	44.37 \| good	27.631 \| good	1.445 \| good	2.859 \| good	0.121 \| good
2025-07-12T01:00:00.000Z	49 \| good	9.091 \| good	40.818 \| good	24.128 \| good	1.349 \| good	4.037 \| good	0.122 \| good
2025-07-12T02:00:00.000Z	49 \| good	8.803 \| good	38.903 \| good	21.02 \| good	1.254 \| good	5.216 \| good	0.123 \| good
2025-07-12T03:00:00.000Z	49 \| good	9.036 \| good	40.373 \| good	18.766 \| good	1.158 \| good	6.394 \| good	0.125 \| good
2025-07-12T04:00:00.000Z	49 \| good	9.402 \| good	41.906 \| good	15.043 \| good	1.148 \| good	6.984 \| good	0.124 \| good
2025-07-12T05:00:00.000Z	52 \| moderate	9.946 \| good	43.968 \| good	14.923 \| good	1.138 \| good	7.574 \| good	0.124 \| good
2025-07-12T06:00:00.000Z	60 \| moderate	14.426 \| fine	17.037 \| good	18.682 \| good	1.11 \| good	8.043 \| good	0.123 \| good

Live air quality index in San Leandro, California today

Major air pollutants in San Leandro, 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 Leandro, California air quality map: Real-time AQI near you

Air quality in nearby cities

Ashland, California

San Lorenzo, California

Cherryland, California

Castro Valley, California

Hayward, California

Fairview, California

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Frequently asked questions

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

What are the current PM10 levels at San Leandro, California?

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

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

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

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

What are the current PM₁₀ levels at San Leandro, California?

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

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

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