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

The current PM10 levels in San Leandro, California are 30.223 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 0.325 ppb.

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

The current ozone (O3) levels at San Leandro, California is 19.924 ppm.

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

The current nitrogen dioxide (NO2) levels at San Leandro, California is 2.013 ppb.

Real-time 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)

Common air pollutants in San Leandro, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

7.09 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

31.81 μg/m³

155

255

425

605+

Ozone (O₃)

18.98 ppb

201

201+

Sulfur Dioxide (SO₂)

0.61 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.36 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.30 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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
2025-07-29T03:00:00.000Z	33 \| good	5.703 \| good	24.958 \| good	21.969 \| good	0.467 \| good	1.826 \| good	0.3 \| good
2025-07-29T04:00:00.000Z	33 \| good	6.338 \| good	28.234 \| good	21.029 \| good	0.661 \| good	2.074 \| good	0.301 \| good
2025-07-29T05:00:00.000Z	33 \| good	5.688 \| good	24.467 \| good	19.112 \| good	0.652 \| good	2.96 \| good	0.31 \| good
2025-07-29T06:00:00.000Z	22 \| good	4.394 \| good	19.392 \| good	18.062 \| good	0.644 \| good	2.69 \| good	0.31 \| good
2025-07-29T07:00:00.000Z	27 \| good	5.108 \| good	22.11 \| good	17.975 \| good	0.658 \| good	2.314 \| good	0.301 \| good
2025-07-29T08:00:00.000Z	27 \| good	5.491 \| good	24.125 \| good	16.062 \| good	0.658 \| good	3.137 \| good	0.301 \| good
2025-07-29T09:00:00.000Z	33 \| good	6.127 \| good	27.723 \| good	13.382 \| good	0.669 \| good	4.35 \| good	0.299 \| good
2025-07-29T10:00:00.000Z	33 \| good	5.568 \| good	24.017 \| good	14.197 \| good	0.611 \| good	2.943 \| good	0.295 \| good
2025-07-29T11:00:00.000Z	33 \| good	6.199 \| good	27.483 \| good	9.668 \| good	0.611 \| good	4.388 \| good	0.295 \| good
2025-07-29T12:00:00.000Z	33 \| good	5.997 \| good	26.593 \| good	9.505 \| good	0.61 \| good	4.489 \| good	0.294 \| good
2025-07-29T13:00:00.000Z	27 \| good	5.441 \| good	23.704 \| good	6.935 \| good	0.566 \| good	5 \| good	0.301 \| good
2025-07-29T14:00:00.000Z	33 \| good	6.295 \| good	28.371 \| good	6.571 \| good	0.316 \| good	5.866 \| good	0.304 \| good
2025-07-29T15:00:00.000Z	33 \| good	5.696 \| good	24.713 \| good	6.64 \| good	0.532 \| good	5.269 \| good	0.399 \| good
2025-07-29T16:00:00.000Z	33 \| good	5.867 \| good	25.484 \| good	8.589 \| good	0.339 \| good	5.535 \| good	0.392 \| good
2025-07-29T17:00:00.000Z	38 \| good	6.719 \| good	30.406 \| good	11.22 \| good	0.362 \| good	5.454 \| good	0.307 \| good
2025-07-29T18:00:00.000Z	38 \| good	6.51 \| good	29.385 \| good	12.092 \| good	0.361 \| good	3.182 \| good	0.308 \| good
2025-07-29T19:00:00.000Z	33 \| good	6.085 \| good	26.353 \| good	14.061 \| good	0.641 \| good	3.311 \| good	0.307 \| good
2025-07-29T20:00:00.000Z	38 \| good	6.593 \| good	29.167 \| good	17.016 \| good	0.367 \| good	2.964 \| good	0.306 \| good
2025-07-29T21:00:00.000Z	38 \| good	6.747 \| good	30.223 \| good	19.924 \| good	0.325 \| good	2.013 \| good	0.306 \| good
2025-07-29T22:00:00.000Z	33 \| good	6.196 \| good	28.352 \| good	20.88 \| good	0.552 \| good	1.854 \| good	0.305 \| good
2025-07-29T23:00:00.000Z	33 \| good	5.94 \| good	25.586 \| good	19.971 \| good	0.547 \| good	1.562 \| good	0.305 \| good
2025-07-30T00:00:00.000Z	38 \| good	6.611 \| good	29.529 \| good	19.963 \| good	0.568 \| good	1.458 \| good	0.301 \| good
2025-07-30T01:00:00.000Z	38 \| good	6.664 \| good	30.121 \| good	18.125 \| good	2.327 \| good	1.621 \| good	0.301 \| good
2025-07-30T02:00:00.000Z	38 \| good	6.525 \| good	29.484 \| good	18.106 \| good	10.525 \| good	1.438 \| good	0.3 \| good
2025-07-30T03:00:00.000Z	27 \| good	5.004 \| good	21.302 \| good	14.623 \| good	0.629 \| good	4.788 \| good	0.111 \| good
2025-07-30T04:00:00.000Z	27 \| good	5.309 \| good	23.146 \| good	17.006 \| good	2.296 \| good	1.354 \| good	0.301 \| good
2025-07-30T05:00:00.000Z	33 \| good	5.573 \| good	24.404 \| good	17.074 \| good	1.403 \| good	1.475 \| good	0.301 \| good
2025-07-30T06:00:00.000Z	33 \| good	6.133 \| good	27.582 \| good	18.837 \| good	0.7 \| good	1.196 \| good	0.304 \| good
2025-07-30T07:00:00.000Z	33 \| good	6.461 \| good	29.407 \| good	17.978 \| good	0.679 \| good	1.105 \| good	0.304 \| good
2025-07-30T08:00:00.000Z	33 \| good	5.783 \| good	24.917 \| good	18.003 \| good	0.582 \| good	0.742 \| good	0.303 \| good
2025-07-30T09:00:00.000Z	33 \| good	6.33 \| good	28.613 \| good	18.877 \| good	0.536 \| good	0.489 \| good	0.209 \| good
2025-07-30T10:00:00.000Z	33 \| good	6.16 \| good	27.651 \| good	18.919 \| good	0.599 \| good	0.485 \| good	0.207 \| good
2025-07-30T11:00:00.000Z	33 \| good	5.964 \| good	26.335 \| good	18.911 \| good	0.631 \| good	0.672 \| good	0.207 \| good
2025-07-30T12:00:00.000Z	33 \| good	6.192 \| good	28.001 \| good	18.806 \| good	0.625 \| good	0.679 \| good	0.207 \| good
2025-07-30T13:00:00.000Z	27 \| good	4.674 \| good	20.835 \| good	17.931 \| good	0.577 \| good	1.486 \| good	0.299 \| good
2025-07-30T14:00:00.000Z	22 \| good	4.269 \| good	18.692 \| good	17.915 \| good	0.365 \| good	1.84 \| good	0.299 \| good
2025-07-30T15:00:00.000Z	22 \| good	4.196 \| good	18.46 \| good	17.035 \| good	0.654 \| good	2.524 \| good	0.303 \| good
2025-07-30T16:00:00.000Z	22 \| good	3.605 \| good	16.577 \| good	16.107 \| good	0.623 \| good	4.286 \| good	0.3 \| good
2025-07-30T17:00:00.000Z	22 \| good	3.796 \| good	16.453 \| good	16.069 \| good	0.644 \| good	3.497 \| good	0.301 \| good
2025-07-30T18:00:00.000Z	27 \| good	4.526 \| good	19.96 \| good	17.849 \| good	0.608 \| good	2.607 \| good	0.301 \| good
2025-07-30T19:00:00.000Z	27 \| good	5.298 \| good	22.963 \| good	16.998 \| good	0.447 \| good	2.341 \| good	0.301 \| good
2025-07-30T20:00:00.000Z	33 \| good	6.119 \| good	27.562 \| good	18.916 \| good	0.467 \| good	2.085 \| good	0.301 \| good
2025-07-30T21:00:00.000Z	33 \| good	6.483 \| good	28.975 \| good	18.962 \| good	0.616 \| good	2.107 \| good	0.307 \| good
2025-07-30T22:00:00.000Z	33 \| good	6.329 \| good	28.486 \| good	19.008 \| good	0.651 \| good	1.614 \| good	0.306 \| good
2025-07-30T23:00:00.000Z	38 \| good	6.644 \| good	30.151 \| good	19.054 \| good	0.621 \| good	1.604 \| good	0.301 \| good
2025-07-31T00:00:00.000Z	38 \| good	7.319 \| good	32.075 \| good	19.099 \| good	0.605 \| good	1.526 \| good	0.303 \| good
2025-07-31T01:00:00.000Z	38 \| good	7.094 \| good	31.806 \| good	18.977 \| good	0.608 \| good	1.359 \| good	0.302 \| good
2025-07-31T02:00:00.000Z	38 \| good	7.094 \| good	31.806 \| good	18.977 \| good	0.608 \| good	1.359 \| good	0.302 \| good
2025-07-29T22:00:00.000Z	27 \| good	4.893 \| good	21.266 \| good	22.447 \| good	0.755 \| good	1.794 \| good	0.107 \| good
2025-07-29T23:00:00.000Z	27 \| good	5.293 \| good	23.136 \| good	21.103 \| good	0.695 \| good	1.867 \| good	0.106 \| good
2025-07-30T00:00:00.000Z	33 \| good	5.657 \| good	24.644 \| good	19.841 \| good	0.635 \| good	1.94 \| good	0.105 \| good
2025-07-30T01:00:00.000Z	27 \| good	5.087 \| good	22.248 \| good	20.358 \| good	0.623 \| good	2.889 \| good	0.107 \| good
2025-07-30T02:00:00.000Z	22 \| good	4.467 \| good	19.252 \| good	18.489 \| good	0.61 \| good	3.839 \| good	0.11 \| good
2025-07-30T03:00:00.000Z	27 \| good	5.28 \| good	22.798 \| good	15.496 \| good	0.598 \| good	4.789 \| good	0.112 \| good
2025-07-30T04:00:00.000Z	27 \| good	4.91 \| good	20.984 \| good	14.325 \| good	0.613 \| good	5.185 \| good	0.112 \| good
2025-07-30T05:00:00.000Z	22 \| good	3.674 \| good	16.074 \| good	15.7 \| good	0.629 \| good	5.581 \| good	0.112 \| good
2025-07-30T06:00:00.000Z	16 \| good	3.007 \| good	12.248 \| good	16.357 \| good	0.644 \| good	5.977 \| good	0.112 \| good
2025-07-30T07:00:00.000Z	16 \| good	2.321 \| good	9.811 \| good	16.871 \| good	0.598 \| good	5.482 \| good	0.109 \| good
2025-07-30T08:00:00.000Z	18 \| good	1.936 \| good	8 \| good	18.664 \| good	0.552 \| good	4.987 \| good	0.106 \| good
2025-07-30T09:00:00.000Z	17 \| good	2.401 \| good	10 \| good	18.017 \| good	0.505 \| good	4.492 \| good	0.103 \| good
2025-07-30T10:00:00.000Z	18 \| good	1.996 \| good	8.036 \| good	18.553 \| good	0.528 \| good	4.247 \| good	0.101 \| good
2025-07-30T11:00:00.000Z	18 \| good	2.217 \| good	9.071 \| good	19.145 \| good	0.55 \| good	4.002 \| good	0.099 \| good
2025-07-30T12:00:00.000Z	18 \| good	1.751 \| good	7.022 \| good	18.835 \| good	0.573 \| good	3.757 \| good	0.097 \| good
2025-07-30T13:00:00.000Z	15 \| good	1.938 \| good	8.014 \| good	16.331 \| good	0.587 \| good	3.481 \| good	0.097 \| good
2025-07-30T14:00:00.000Z	16 \| good	3.335 \| good	14.923 \| good	15.017 \| good	0.602 \| good	3.205 \| good	0.097 \| good
2025-07-30T15:00:00.000Z	33 \| good	6.396 \| good	28.357 \| good	16.593 \| good	0.617 \| good	2.929 \| good	0.096 \| good
2025-07-30T16:00:00.000Z	38 \| good	6.663 \| good	29.778 \| good	18.442 \| good	0.646 \| good	2.69 \| good	0.098 \| good
2025-07-30T17:00:00.000Z	33 \| good	6.23 \| good	27.876 \| good	19.812 \| good	0.676 \| good	2.452 \| good	0.101 \| good
2025-07-30T18:00:00.000Z	33 \| good	5.947 \| good	26.693 \| good	20.23 \| good	0.706 \| good	2.213 \| good	0.103 \| good
2025-07-30T19:00:00.000Z	38 \| good	7.111 \| good	31.447 \| good	20.795 \| good	0.729 \| good	2.02 \| good	0.102 \| good
2025-07-30T20:00:00.000Z	44 \| good	8.303 \| good	36.373 \| good	22.65 \| good	0.753 \| good	1.827 \| good	0.102 \| good
2025-07-30T21:00:00.000Z	38 \| good	6.802 \| good	30.237 \| good	24.382 \| good	0.776 \| good	1.635 \| good	0.102 \| good
2025-07-30T22:00:00.000Z	33 \| good	6.038 \| good	26.708 \| good	23.43 \| good	0.738 \| good	1.756 \| good	0.102 \| good
2025-07-30T23:00:00.000Z	27 \| good	5.422 \| good	23.204 \| good	22.214 \| good	0.701 \| good	1.877 \| good	0.101 \| good
2025-07-31T00:00:00.000Z	27 \| good	5.003 \| good	21.779 \| good	19.589 \| good	0.663 \| good	1.998 \| good	0.101 \| good
2025-07-31T01:00:00.000Z	27 \| good	4.904 \| good	21.112 \| good	17.946 \| good	0.634 \| good	2.973 \| good	0.102 \| good
2025-07-31T02:00:00.000Z	22 \| good	4.021 \| good	17.685 \| good	16.579 \| good	0.605 \| good	3.948 \| good	0.103 \| good
2025-07-31T03:00:00.000Z	22 \| good	3.922 \| good	17.042 \| good	14.439 \| good	0.575 \| good	4.923 \| good	0.104 \| good
2025-07-31T04:00:00.000Z	16 \| good	3.155 \| good	13.681 \| good	16.089 \| good	0.594 \| good	5.385 \| good	0.102 \| good
2025-07-31T05:00:00.000Z	16 \| good	2.888 \| good	12.143 \| good	16.506 \| good	0.612 \| good	5.848 \| good	0.1 \| good
2025-07-31T06:00:00.000Z	16 \| good	3.431 \| good	14.947 \| good	16.09 \| good	0.63 \| good	6.31 \| good	0.099 \| good
2025-07-31T07:00:00.000Z	16 \| good	2.882 \| good	12 \| good	17.173 \| good	0.632 \| good	6.096 \| good	0.096 \| good
2025-07-31T08:00:00.000Z	17 \| good	2.869 \| good	11.943 \| good	17.938 \| good	0.634 \| good	5.883 \| good	0.094 \| good
2025-07-31T09:00:00.000Z	22 \| good	3.547 \| good	15.829 \| good	17.792 \| good	0.636 \| good	5.669 \| good	0.091 \| good
2025-07-31T10:00:00.000Z	17 \| good	3.191 \| good	13.903 \| good	18.038 \| good	0.642 \| good	5.376 \| good	0.088 \| good
2025-07-31T11:00:00.000Z	18 \| good	2.653 \| good	10.887 \| good	19.074 \| good	0.648 \| good	5.082 \| good	0.086 \| good
2025-07-31T12:00:00.000Z	15 \| good	2.336 \| good	9.821 \| good	16.314 \| good	0.654 \| good	4.789 \| good	0.083 \| good
2025-07-31T13:00:00.000Z	14 \| good	2.088 \| good	8.729 \| good	15.463 \| good	0.691 \| good	4.361 \| good	0.083 \| good
2025-07-31T14:00:00.000Z	22 \| good	3.839 \| good	16.681 \| good	13.415 \| good	0.729 \| good	3.932 \| good	0.082 \| good
2025-07-31T15:00:00.000Z	33 \| good	5.826 \| good	25.147 \| good	14.173 \| good	0.766 \| good	3.504 \| good	0.081 \| good
2025-07-31T16:00:00.000Z	33 \| good	5.819 \| good	25.204 \| good	14.306 \| good	0.79 \| good	3.21 \| good	0.084 \| good
2025-07-31T17:00:00.000Z	33 \| good	5.532 \| good	24.023 \| good	16.681 \| good	0.815 \| good	2.917 \| good	0.088 \| good
2025-07-31T18:00:00.000Z	33 \| good	6.274 \| good	28.086 \| good	20.278 \| good	0.839 \| good	2.624 \| good	0.091 \| good
2025-07-31T19:00:00.000Z	38 \| good	7.322 \| good	32.321 \| good	24.226 \| good	0.874 \| good	2.432 \| good	0.092 \| good
2025-07-31T20:00:00.000Z	44 \| good	7.797 \| good	34.323 \| good	26.331 \| good	0.908 \| good	2.239 \| good	0.093 \| good
2025-07-31T21:00:00.000Z	38 \| good	6.907 \| good	30.424 \| good	26.7 \| good	0.943 \| good	2.046 \| good	0.094 \| good

San Leandro

Empower business decisions with accurate air quality data

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

0.32ppm

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

Air quality levels in US

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

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

Frequently asked questions

How 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 2025-07-28.

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 06:00:00 on 2025-07-29.

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

The real-time air quality index in San Leandro, California is 38, 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 6.747 μg/m³.

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

The current PM₁₀ levels in San Leandro, California are 30.223 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 0.306 ppm.

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

The current sulfur dioxide (SO₂) levels in San Leandro, California are 0.325 ppb.

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

The current ozone (O₃) levels at San Leandro, California is 19.924 ppm.

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

The current nitrogen dioxide (NO₂) levels at San Leandro, California is 2.013 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-29T03:00:00.000Z	33 \| good	5.703 \| good	24.958 \| good	21.969 \| good	0.467 \| good	1.826 \| good	0.3 \| good
2025-07-29T04:00:00.000Z	33 \| good	6.338 \| good	28.234 \| good	21.029 \| good	0.661 \| good	2.074 \| good	0.301 \| good
2025-07-29T05:00:00.000Z	33 \| good	5.688 \| good	24.467 \| good	19.112 \| good	0.652 \| good	2.96 \| good	0.31 \| good
2025-07-29T06:00:00.000Z	22 \| good	4.394 \| good	19.392 \| good	18.062 \| good	0.644 \| good	2.69 \| good	0.31 \| good
2025-07-29T07:00:00.000Z	27 \| good	5.108 \| good	22.11 \| good	17.975 \| good	0.658 \| good	2.314 \| good	0.301 \| good
2025-07-29T08:00:00.000Z	27 \| good	5.491 \| good	24.125 \| good	16.062 \| good	0.658 \| good	3.137 \| good	0.301 \| good
2025-07-29T09:00:00.000Z	33 \| good	6.127 \| good	27.723 \| good	13.382 \| good	0.669 \| good	4.35 \| good	0.299 \| good
2025-07-29T10:00:00.000Z	33 \| good	5.568 \| good	24.017 \| good	14.197 \| good	0.611 \| good	2.943 \| good	0.295 \| good
2025-07-29T11:00:00.000Z	33 \| good	6.199 \| good	27.483 \| good	9.668 \| good	0.611 \| good	4.388 \| good	0.295 \| good
2025-07-29T12:00:00.000Z	33 \| good	5.997 \| good	26.593 \| good	9.505 \| good	0.61 \| good	4.489 \| good	0.294 \| good
2025-07-29T13:00:00.000Z	27 \| good	5.441 \| good	23.704 \| good	6.935 \| good	0.566 \| good	5 \| good	0.301 \| good
2025-07-29T14:00:00.000Z	33 \| good	6.295 \| good	28.371 \| good	6.571 \| good	0.316 \| good	5.866 \| good	0.304 \| good
2025-07-29T15:00:00.000Z	33 \| good	5.696 \| good	24.713 \| good	6.64 \| good	0.532 \| good	5.269 \| good	0.399 \| good
2025-07-29T16:00:00.000Z	33 \| good	5.867 \| good	25.484 \| good	8.589 \| good	0.339 \| good	5.535 \| good	0.392 \| good
2025-07-29T17:00:00.000Z	38 \| good	6.719 \| good	30.406 \| good	11.22 \| good	0.362 \| good	5.454 \| good	0.307 \| good
2025-07-29T18:00:00.000Z	38 \| good	6.51 \| good	29.385 \| good	12.092 \| good	0.361 \| good	3.182 \| good	0.308 \| good
2025-07-29T19:00:00.000Z	33 \| good	6.085 \| good	26.353 \| good	14.061 \| good	0.641 \| good	3.311 \| good	0.307 \| good
2025-07-29T20:00:00.000Z	38 \| good	6.593 \| good	29.167 \| good	17.016 \| good	0.367 \| good	2.964 \| good	0.306 \| good
2025-07-29T21:00:00.000Z	38 \| good	6.747 \| good	30.223 \| good	19.924 \| good	0.325 \| good	2.013 \| good	0.306 \| good
2025-07-29T22:00:00.000Z	33 \| good	6.196 \| good	28.352 \| good	20.88 \| good	0.552 \| good	1.854 \| good	0.305 \| good
2025-07-29T23:00:00.000Z	33 \| good	5.94 \| good	25.586 \| good	19.971 \| good	0.547 \| good	1.562 \| good	0.305 \| good
2025-07-30T00:00:00.000Z	38 \| good	6.611 \| good	29.529 \| good	19.963 \| good	0.568 \| good	1.458 \| good	0.301 \| good
2025-07-30T01:00:00.000Z	38 \| good	6.664 \| good	30.121 \| good	18.125 \| good	2.327 \| good	1.621 \| good	0.301 \| good
2025-07-30T02:00:00.000Z	38 \| good	6.525 \| good	29.484 \| good	18.106 \| good	10.525 \| good	1.438 \| good	0.3 \| good
2025-07-30T03:00:00.000Z	27 \| good	5.004 \| good	21.302 \| good	14.623 \| good	0.629 \| good	4.788 \| good	0.111 \| good
2025-07-30T04:00:00.000Z	27 \| good	5.309 \| good	23.146 \| good	17.006 \| good	2.296 \| good	1.354 \| good	0.301 \| good
2025-07-30T05:00:00.000Z	33 \| good	5.573 \| good	24.404 \| good	17.074 \| good	1.403 \| good	1.475 \| good	0.301 \| good
2025-07-30T06:00:00.000Z	33 \| good	6.133 \| good	27.582 \| good	18.837 \| good	0.7 \| good	1.196 \| good	0.304 \| good
2025-07-30T07:00:00.000Z	33 \| good	6.461 \| good	29.407 \| good	17.978 \| good	0.679 \| good	1.105 \| good	0.304 \| good
2025-07-30T08:00:00.000Z	33 \| good	5.783 \| good	24.917 \| good	18.003 \| good	0.582 \| good	0.742 \| good	0.303 \| good
2025-07-30T09:00:00.000Z	33 \| good	6.33 \| good	28.613 \| good	18.877 \| good	0.536 \| good	0.489 \| good	0.209 \| good
2025-07-30T10:00:00.000Z	33 \| good	6.16 \| good	27.651 \| good	18.919 \| good	0.599 \| good	0.485 \| good	0.207 \| good
2025-07-30T11:00:00.000Z	33 \| good	5.964 \| good	26.335 \| good	18.911 \| good	0.631 \| good	0.672 \| good	0.207 \| good
2025-07-30T12:00:00.000Z	33 \| good	6.192 \| good	28.001 \| good	18.806 \| good	0.625 \| good	0.679 \| good	0.207 \| good
2025-07-30T13:00:00.000Z	27 \| good	4.674 \| good	20.835 \| good	17.931 \| good	0.577 \| good	1.486 \| good	0.299 \| good
2025-07-30T14:00:00.000Z	22 \| good	4.269 \| good	18.692 \| good	17.915 \| good	0.365 \| good	1.84 \| good	0.299 \| good
2025-07-30T15:00:00.000Z	22 \| good	4.196 \| good	18.46 \| good	17.035 \| good	0.654 \| good	2.524 \| good	0.303 \| good
2025-07-30T16:00:00.000Z	22 \| good	3.605 \| good	16.577 \| good	16.107 \| good	0.623 \| good	4.286 \| good	0.3 \| good
2025-07-30T17:00:00.000Z	22 \| good	3.796 \| good	16.453 \| good	16.069 \| good	0.644 \| good	3.497 \| good	0.301 \| good
2025-07-30T18:00:00.000Z	27 \| good	4.526 \| good	19.96 \| good	17.849 \| good	0.608 \| good	2.607 \| good	0.301 \| good
2025-07-30T19:00:00.000Z	27 \| good	5.298 \| good	22.963 \| good	16.998 \| good	0.447 \| good	2.341 \| good	0.301 \| good
2025-07-30T20:00:00.000Z	33 \| good	6.119 \| good	27.562 \| good	18.916 \| good	0.467 \| good	2.085 \| good	0.301 \| good
2025-07-30T21:00:00.000Z	33 \| good	6.483 \| good	28.975 \| good	18.962 \| good	0.616 \| good	2.107 \| good	0.307 \| good
2025-07-30T22:00:00.000Z	33 \| good	6.329 \| good	28.486 \| good	19.008 \| good	0.651 \| good	1.614 \| good	0.306 \| good
2025-07-30T23:00:00.000Z	38 \| good	6.644 \| good	30.151 \| good	19.054 \| good	0.621 \| good	1.604 \| good	0.301 \| good
2025-07-31T00:00:00.000Z	38 \| good	7.319 \| good	32.075 \| good	19.099 \| good	0.605 \| good	1.526 \| good	0.303 \| good
2025-07-31T01:00:00.000Z	38 \| good	7.094 \| good	31.806 \| good	18.977 \| good	0.608 \| good	1.359 \| good	0.302 \| good
2025-07-31T02:00:00.000Z	38 \| good	7.094 \| good	31.806 \| good	18.977 \| good	0.608 \| good	1.359 \| good	0.302 \| good
2025-07-29T22:00:00.000Z	27 \| good	4.893 \| good	21.266 \| good	22.447 \| good	0.755 \| good	1.794 \| good	0.107 \| good
2025-07-29T23:00:00.000Z	27 \| good	5.293 \| good	23.136 \| good	21.103 \| good	0.695 \| good	1.867 \| good	0.106 \| good
2025-07-30T00:00:00.000Z	33 \| good	5.657 \| good	24.644 \| good	19.841 \| good	0.635 \| good	1.94 \| good	0.105 \| good
2025-07-30T01:00:00.000Z	27 \| good	5.087 \| good	22.248 \| good	20.358 \| good	0.623 \| good	2.889 \| good	0.107 \| good
2025-07-30T02:00:00.000Z	22 \| good	4.467 \| good	19.252 \| good	18.489 \| good	0.61 \| good	3.839 \| good	0.11 \| good
2025-07-30T03:00:00.000Z	27 \| good	5.28 \| good	22.798 \| good	15.496 \| good	0.598 \| good	4.789 \| good	0.112 \| good
2025-07-30T04:00:00.000Z	27 \| good	4.91 \| good	20.984 \| good	14.325 \| good	0.613 \| good	5.185 \| good	0.112 \| good
2025-07-30T05:00:00.000Z	22 \| good	3.674 \| good	16.074 \| good	15.7 \| good	0.629 \| good	5.581 \| good	0.112 \| good
2025-07-30T06:00:00.000Z	16 \| good	3.007 \| good	12.248 \| good	16.357 \| good	0.644 \| good	5.977 \| good	0.112 \| good
2025-07-30T07:00:00.000Z	16 \| good	2.321 \| good	9.811 \| good	16.871 \| good	0.598 \| good	5.482 \| good	0.109 \| good
2025-07-30T08:00:00.000Z	18 \| good	1.936 \| good	8 \| good	18.664 \| good	0.552 \| good	4.987 \| good	0.106 \| good
2025-07-30T09:00:00.000Z	17 \| good	2.401 \| good	10 \| good	18.017 \| good	0.505 \| good	4.492 \| good	0.103 \| good
2025-07-30T10:00:00.000Z	18 \| good	1.996 \| good	8.036 \| good	18.553 \| good	0.528 \| good	4.247 \| good	0.101 \| good
2025-07-30T11:00:00.000Z	18 \| good	2.217 \| good	9.071 \| good	19.145 \| good	0.55 \| good	4.002 \| good	0.099 \| good
2025-07-30T12:00:00.000Z	18 \| good	1.751 \| good	7.022 \| good	18.835 \| good	0.573 \| good	3.757 \| good	0.097 \| good
2025-07-30T13:00:00.000Z	15 \| good	1.938 \| good	8.014 \| good	16.331 \| good	0.587 \| good	3.481 \| good	0.097 \| good
2025-07-30T14:00:00.000Z	16 \| good	3.335 \| good	14.923 \| good	15.017 \| good	0.602 \| good	3.205 \| good	0.097 \| good
2025-07-30T15:00:00.000Z	33 \| good	6.396 \| good	28.357 \| good	16.593 \| good	0.617 \| good	2.929 \| good	0.096 \| good
2025-07-30T16:00:00.000Z	38 \| good	6.663 \| good	29.778 \| good	18.442 \| good	0.646 \| good	2.69 \| good	0.098 \| good
2025-07-30T17:00:00.000Z	33 \| good	6.23 \| good	27.876 \| good	19.812 \| good	0.676 \| good	2.452 \| good	0.101 \| good
2025-07-30T18:00:00.000Z	33 \| good	5.947 \| good	26.693 \| good	20.23 \| good	0.706 \| good	2.213 \| good	0.103 \| good
2025-07-30T19:00:00.000Z	38 \| good	7.111 \| good	31.447 \| good	20.795 \| good	0.729 \| good	2.02 \| good	0.102 \| good
2025-07-30T20:00:00.000Z	44 \| good	8.303 \| good	36.373 \| good	22.65 \| good	0.753 \| good	1.827 \| good	0.102 \| good
2025-07-30T21:00:00.000Z	38 \| good	6.802 \| good	30.237 \| good	24.382 \| good	0.776 \| good	1.635 \| good	0.102 \| good
2025-07-30T22:00:00.000Z	33 \| good	6.038 \| good	26.708 \| good	23.43 \| good	0.738 \| good	1.756 \| good	0.102 \| good
2025-07-30T23:00:00.000Z	27 \| good	5.422 \| good	23.204 \| good	22.214 \| good	0.701 \| good	1.877 \| good	0.101 \| good
2025-07-31T00:00:00.000Z	27 \| good	5.003 \| good	21.779 \| good	19.589 \| good	0.663 \| good	1.998 \| good	0.101 \| good
2025-07-31T01:00:00.000Z	27 \| good	4.904 \| good	21.112 \| good	17.946 \| good	0.634 \| good	2.973 \| good	0.102 \| good
2025-07-31T02:00:00.000Z	22 \| good	4.021 \| good	17.685 \| good	16.579 \| good	0.605 \| good	3.948 \| good	0.103 \| good
2025-07-31T03:00:00.000Z	22 \| good	3.922 \| good	17.042 \| good	14.439 \| good	0.575 \| good	4.923 \| good	0.104 \| good
2025-07-31T04:00:00.000Z	16 \| good	3.155 \| good	13.681 \| good	16.089 \| good	0.594 \| good	5.385 \| good	0.102 \| good
2025-07-31T05:00:00.000Z	16 \| good	2.888 \| good	12.143 \| good	16.506 \| good	0.612 \| good	5.848 \| good	0.1 \| good
2025-07-31T06:00:00.000Z	16 \| good	3.431 \| good	14.947 \| good	16.09 \| good	0.63 \| good	6.31 \| good	0.099 \| good
2025-07-31T07:00:00.000Z	16 \| good	2.882 \| good	12 \| good	17.173 \| good	0.632 \| good	6.096 \| good	0.096 \| good
2025-07-31T08:00:00.000Z	17 \| good	2.869 \| good	11.943 \| good	17.938 \| good	0.634 \| good	5.883 \| good	0.094 \| good
2025-07-31T09:00:00.000Z	22 \| good	3.547 \| good	15.829 \| good	17.792 \| good	0.636 \| good	5.669 \| good	0.091 \| good
2025-07-31T10:00:00.000Z	17 \| good	3.191 \| good	13.903 \| good	18.038 \| good	0.642 \| good	5.376 \| good	0.088 \| good
2025-07-31T11:00:00.000Z	18 \| good	2.653 \| good	10.887 \| good	19.074 \| good	0.648 \| good	5.082 \| good	0.086 \| good
2025-07-31T12:00:00.000Z	15 \| good	2.336 \| good	9.821 \| good	16.314 \| good	0.654 \| good	4.789 \| good	0.083 \| good
2025-07-31T13:00:00.000Z	14 \| good	2.088 \| good	8.729 \| good	15.463 \| good	0.691 \| good	4.361 \| good	0.083 \| good
2025-07-31T14:00:00.000Z	22 \| good	3.839 \| good	16.681 \| good	13.415 \| good	0.729 \| good	3.932 \| good	0.082 \| good
2025-07-31T15:00:00.000Z	33 \| good	5.826 \| good	25.147 \| good	14.173 \| good	0.766 \| good	3.504 \| good	0.081 \| good
2025-07-31T16:00:00.000Z	33 \| good	5.819 \| good	25.204 \| good	14.306 \| good	0.79 \| good	3.21 \| good	0.084 \| good
2025-07-31T17:00:00.000Z	33 \| good	5.532 \| good	24.023 \| good	16.681 \| good	0.815 \| good	2.917 \| good	0.088 \| good
2025-07-31T18:00:00.000Z	33 \| good	6.274 \| good	28.086 \| good	20.278 \| good	0.839 \| good	2.624 \| good	0.091 \| good
2025-07-31T19:00:00.000Z	38 \| good	7.322 \| good	32.321 \| good	24.226 \| good	0.874 \| good	2.432 \| good	0.092 \| good
2025-07-31T20:00:00.000Z	44 \| good	7.797 \| good	34.323 \| good	26.331 \| good	0.908 \| good	2.239 \| good	0.093 \| good
2025-07-31T21:00:00.000Z	38 \| good	6.907 \| good	30.424 \| good	26.7 \| good	0.943 \| good	2.046 \| good	0.094 \| good

Real-time air quality index in San Leandro, California today

Common 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)

Track live San Leandro, California air quality forecast and history

Empower business decisions with accurate air quality data

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

How accurate is California, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

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

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

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

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?