What is the current concentration of PM10 in San Luis Obispo, California?

The current PM10 concentration at San Luis Obispo, California is 13.156 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in San Luis Obispo, California?

The current sulfur dioxide (SO2) concentration at San Luis Obispo, California is 1.125 ppb.

What is the current concentration of ozone (O3) in San Luis Obispo, California?

The current ozone (O3) concentration at San Luis Obispo, California is 28.414 ppm.

What is the current concentration of nitrogen dioxide (NO2) in San Luis Obispo, California?

The current nitrogen dioxide (NO2) concentration at San Luis Obispo, California is 2.687 ppb.

Live air quality index in San Luis Obispo, California today

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

Stay updated with real-time air quality in San Luis Obispo, 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 Luis Obispo, California

Last updated: ... (Local time)

Major air pollutants in San Luis Obispo, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.12 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

13.16 μg/m³

155

255

425

605+

Ozone (O₃)

28.41 ppb

201

201+

Sulfur Dioxide (SO₂)

1.13 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.69 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.16 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

San Luis Obispo, California

Get Live Pollen Counts

San Luis Obispo, California

Scroll To Air Quality Map

Track live San Luis Obispo, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-05T21:00:00.000Z	31 \| good	0.406 \| good	1.384 \| good	34.371 \| good	1.428 \| good	2.91 \| good	0.101 \| good
2025-06-05T22:00:00.000Z	34 \| good	0.31 \| good	1.418 \| good	37.14 \| good	0.885 \| good	2.772 \| good	0.143 \| good
2025-06-05T23:00:00.000Z	34 \| good	0.403 \| good	1.617 \| good	36.725 \| good	1.135 \| good	2.881 \| good	0.144 \| good
2025-06-06T00:00:00.000Z	34 \| good	4.71 \| good	22.271 \| good	36.879 \| good	1.293 \| good	3.012 \| good	0.12 \| good
2025-06-06T01:00:00.000Z	34 \| good	4.267 \| good	15.491 \| good	36.683 \| good	1.158 \| good	2.218 \| good	0.12 \| good
2025-06-06T02:00:00.000Z	33 \| good	0.812 \| good	3.284 \| good	35.861 \| good	1.072 \| good	1.94 \| good	0.12 \| good
2025-06-06T03:00:00.000Z	33 \| good	1.66 \| good	5.213 \| good	35.722 \| good	0.947 \| good	1.927 \| good	0.121 \| good
2025-06-06T04:00:00.000Z	33 \| good	3.722 \| good	5.248 \| good	35.782 \| good	0.755 \| good	1.443 \| good	0.144 \| good
2025-06-06T05:00:00.000Z	31 \| good	1.296 \| good	5.334 \| good	34.228 \| good	0.883 \| good	1.657 \| good	0.164 \| good
2025-06-06T06:00:00.000Z	31 \| good	1.489 \| good	6.276 \| good	33.503 \| good	0.886 \| good	2.015 \| good	0.142 \| good
2025-06-06T07:00:00.000Z	27 \| good	1.291 \| good	5.261 \| good	29.082 \| good	0.658 \| good	1.585 \| good	0.121 \| good
2025-06-06T08:00:00.000Z	28 \| good	0.804 \| good	3.263 \| good	29.594 \| good	0.593 \| good	1.874 \| good	0.12 \| good
2025-06-06T09:00:00.000Z	28 \| good	0.841 \| good	3.385 \| good	29.591 \| good	0.743 \| good	1.543 \| good	0.158 \| good
2025-06-06T10:00:00.000Z	25 \| good	1.29 \| good	3.296 \| good	27.037 \| good	0.76 \| good	1.139 \| good	0.157 \| good
2025-06-06T11:00:00.000Z	23 \| good	1.218 \| good	3.399 \| good	25.174 \| good	0.731 \| good	0.992 \| good	0.142 \| good
2025-06-06T12:00:00.000Z	26 \| good	2.554 \| good	4.191 \| good	27.515 \| good	0.584 \| good	0.97 \| good	0.142 \| good
2025-06-06T13:00:00.000Z	27 \| good	3.659 \| good	6.134 \| good	29.466 \| good	0.705 \| good	2.799 \| good	0.142 \| good
2025-06-06T14:00:00.000Z	26 \| good	3.284 \| good	6.999 \| good	27.748 \| good	0.672 \| good	3.11 \| good	0.165 \| good
2025-06-06T15:00:00.000Z	23 \| good	2.135 \| good	8.975 \| good	25.486 \| good	0.842 \| good	0.938 \| good	0.165 \| good
2025-06-06T16:00:00.000Z	22 \| good	1.162 \| good	10.017 \| good	23.626 \| good	0.685 \| good	2.085 \| good	0.143 \| good
2025-06-06T17:00:00.000Z	26 \| good	0.675 \| good	8.251 \| good	28.439 \| good	1.013 \| good	1.951 \| good	0.164 \| good
2025-06-06T18:00:00.000Z	27 \| good	1.388 \| good	6.448 \| good	28.943 \| good	1.152 \| good	3.107 \| good	0.183 \| good
2025-06-06T19:00:00.000Z	30 \| good	2.234 \| good	8.295 \| good	31.561 \| good	1.544 \| good	2.83 \| good	0.183 \| good
2025-06-06T20:00:00.000Z	31 \| good	2.133 \| good	8.411 \| good	33.06 \| good	1.565 \| good	2.863 \| good	0.164 \| good
2025-06-06T21:00:00.000Z	31 \| good	2.116 \| good	10.401 \| good	34.155 \| good	1.353 \| good	2.641 \| good	0.183 \| good
2025-06-06T22:00:00.000Z	32 \| good	2.581 \| good	10.293 \| good	34.677 \| good	1.146 \| good	1.463 \| good	0.164 \| good
2025-06-06T23:00:00.000Z	33 \| good	2.276 \| good	9.204 \| good	35.885 \| good	1.339 \| good	2.869 \| good	0.143 \| good
2025-06-07T00:00:00.000Z	32 \| good	3.569 \| good	8.313 \| good	35.004 \| good	1.159 \| good	2.857 \| good	0.143 \| good
2025-06-07T01:00:00.000Z	32 \| good	3.785 \| good	11.072 \| good	34.578 \| good	0.958 \| good	2.043 \| good	0.143 \| good
2025-06-07T02:00:00.000Z	31 \| good	3.899 \| good	11.273 \| good	33.87 \| good	0.984 \| good	1.173 \| good	0.143 \| good
2025-06-07T03:00:00.000Z	30 \| good	4.883 \| good	13.39 \| good	32.299 \| good	0.844 \| good	0.942 \| good	0.144 \| good
2025-06-07T04:00:00.000Z	28 \| good	5.344 \| good	16.072 \| good	30.269 \| good	0.957 \| good	1.143 \| good	0.144 \| good
2025-06-07T05:00:00.000Z	44 \| good	7.547 \| good	15.177 \| good	28.684 \| good	1.008 \| good	1.275 \| good	0.164 \| good
2025-06-07T06:00:00.000Z	49 \| good	8.596 \| good	14.078 \| good	32.838 \| good	1.235 \| good	1.338 \| good	0.186 \| good
2025-06-07T07:00:00.000Z	44 \| good	7.763 \| good	15.032 \| good	28.211 \| good	1.595 \| good	1.852 \| good	0.21 \| good
2025-06-07T08:00:00.000Z	33 \| good	6.296 \| good	16.031 \| good	23.258 \| good	1.354 \| good	1.784 \| good	0.187 \| good
2025-06-07T09:00:00.000Z	38 \| good	6.557 \| good	15.13 \| good	24.259 \| good	1.082 \| good	1.815 \| good	0.165 \| good
2025-06-07T10:00:00.000Z	33 \| good	5.715 \| good	15.149 \| good	19.38 \| good	0.293 \| good	1.527 \| good	0.142 \| good
2025-06-07T11:00:00.000Z	27 \| good	5.331 \| good	14.125 \| good	20.783 \| good	0.219 \| good	1.534 \| good	0.165 \| good
2025-06-07T12:00:00.000Z	33 \| good	5.625 \| good	11.207 \| good	15.877 \| good	0.205 \| good	2.307 \| good	0.142 \| good
2025-06-07T13:00:00.000Z	27 \| good	4.763 \| good	13.06 \| good	12.989 \| good	0.811 \| good	2.278 \| good	0.143 \| good
2025-06-07T14:00:00.000Z	27 \| good	5.313 \| good	13.132 \| good	21.627 \| good	0.708 \| good	1.878 \| good	0.125 \| good
2025-06-07T15:00:00.000Z	33 \| good	6.125 \| good	16.062 \| good	25.692 \| good	0.873 \| good	0.851 \| good	0.165 \| good
2025-06-07T16:00:00.000Z	33 \| good	6.077 \| good	14.23 \| good	25.265 \| good	0.904 \| good	2.87 \| good	0.143 \| good
2025-06-07T17:00:00.000Z	27 \| good	5.197 \| good	12.614 \| good	25.896 \| good	1.043 \| good	2.016 \| good	0.164 \| good
2025-06-07T18:00:00.000Z	27 \| good	4.137 \| good	12.647 \| good	28.708 \| good	1.266 \| good	2.957 \| good	0.164 \| good
2025-06-07T19:00:00.000Z	26 \| good	3.116 \| good	13.156 \| good	28.414 \| good	1.125 \| good	2.687 \| good	0.164 \| good
2025-06-07T20:00:00.000Z	26 \| good	3.116 \| good	13.156 \| good	28.414 \| good	1.125 \| good	2.687 \| good	0.164 \| good
2025-06-07T21:00:00.000Z	34 \| good	2.562 \| good	10.642 \| good	37.271 \| good	0.175 \| good	0.301 \| good	0.102 \| good
2025-06-07T22:00:00.000Z	34 \| good	1.994 \| good	8.214 \| good	36.527 \| good	0.169 \| good	0.339 \| good	0.096 \| good
2025-06-07T23:00:00.000Z	33 \| good	2.914 \| good	11.829 \| good	36.209 \| good	0.176 \| good	0.355 \| good	0.097 \| good
2025-06-08T00:00:00.000Z	32 \| good	3.33 \| good	14.258 \| good	35.482 \| good	0.184 \| good	0.371 \| good	0.099 \| good
2025-06-08T01:00:00.000Z	31 \| good	1.624 \| good	6.389 \| good	34.394 \| good	0.142 \| good	0.772 \| good	0.098 \| good
2025-06-08T02:00:00.000Z	31 \| good	3.337 \| good	14.717 \| good	33.118 \| good	0.158 \| good	0.887 \| good	0.1 \| good
2025-06-08T03:00:00.000Z	30 \| good	5.37 \| good	23.195 \| good	32.158 \| good	0.175 \| good	1.002 \| good	0.102 \| good
2025-06-08T04:00:00.000Z	38 \| good	7.285 \| good	32.194 \| good	31.098 \| good	0.133 \| good	0.935 \| good	0.1 \| good
2025-06-08T05:00:00.000Z	33 \| good	6.407 \| good	28.252 \| good	29.669 \| good	0.139 \| good	1.136 \| good	0.102 \| good
2025-06-08T06:00:00.000Z	27 \| good	5.034 \| good	21.828 \| good	28.436 \| good	0.145 \| good	1.336 \| good	0.105 \| good
2025-06-08T07:00:00.000Z	25 \| good	3.54 \| good	15.519 \| good	26.899 \| good	0.151 \| good	1.128 \| good	0.102 \| good
2025-06-08T08:00:00.000Z	24 \| good	3.305 \| good	14.358 \| good	26.302 \| good	0.136 \| good	1.41 \| good	0.106 \| good
2025-06-08T09:00:00.000Z	27 \| good	4.555 \| good	19.892 \| good	25.097 \| good	0.122 \| good	1.693 \| good	0.109 \| good
2025-06-08T10:00:00.000Z	22 \| good	3.112 \| good	13.084 \| good	24.457 \| good	0.162 \| good	1.357 \| good	0.104 \| good
2025-06-08T11:00:00.000Z	23 \| good	3.177 \| good	13.743 \| good	24.52 \| good	0.134 \| good	1.69 \| good	0.108 \| good
2025-06-08T12:00:00.000Z	23 \| good	3.688 \| good	16.168 \| good	24.926 \| good	0.107 \| good	2.022 \| good	0.112 \| good
2025-06-08T13:00:00.000Z	22 \| good	3.652 \| good	16.101 \| good	24.06 \| good	0.202 \| good	0.819 \| good	0.103 \| good
2025-06-08T14:00:00.000Z	25 \| good	3.48 \| good	15.358 \| good	26.516 \| good	0.189 \| good	0.937 \| good	0.107 \| good
2025-06-08T15:00:00.000Z	27 \| good	2.191 \| good	9.014 \| good	29.459 \| good	0.175 \| good	1.055 \| good	0.11 \| good
2025-06-08T16:00:00.000Z	30 \| good	1.167 \| good	4.305 \| good	31.873 \| good	0.308 \| good	0.434 \| good	0.103 \| good
2025-06-08T17:00:00.000Z	31 \| good	2.34 \| good	9.633 \| good	33.233 \| good	0.317 \| good	0.482 \| good	0.105 \| good
2025-06-08T18:00:00.000Z	32 \| good	2.084 \| good	8.518 \| good	34.636 \| good	0.326 \| good	0.53 \| good	0.107 \| good
2025-06-08T19:00:00.000Z	33 \| good	1.657 \| good	6.755 \| good	35.944 \| good	0.284 \| good	0.254 \| good	0.099 \| good
2025-06-08T20:00:00.000Z	34 \| good	0.924 \| good	3.686 \| good	37.457 \| good	0.301 \| good	0.278 \| good	0.101 \| good
2025-06-08T21:00:00.000Z	36 \| good	2.806 \| good	11.467 \| good	38.749 \| good	0.317 \| good	0.303 \| good	0.102 \| good
2025-06-08T22:00:00.000Z	35 \| good	2.197 \| good	8.894 \| good	37.824 \| good	0.221 \| good	0.314 \| good	0.098 \| good
2025-06-08T23:00:00.000Z	34 \| good	3.012 \| good	12.757 \| good	36.877 \| good	0.24 \| good	0.341 \| good	0.1 \| good
2025-06-09T00:00:00.000Z	33 \| good	4.651 \| good	20.089 \| good	36.081 \| good	0.259 \| good	0.367 \| good	0.101 \| good
2025-06-09T01:00:00.000Z	32 \| good	2.198 \| good	8.982 \| good	35.429 \| good	0.144 \| good	0.76 \| good	0.1 \| good
2025-06-09T02:00:00.000Z	31 \| good	3.014 \| good	12.74 \| good	33.484 \| good	0.17 \| good	0.885 \| good	0.102 \| good
2025-06-09T03:00:00.000Z	33 \| good	5.633 \| good	24.836 \| good	32.045 \| good	0.196 \| good	1.009 \| good	0.104 \| good
2025-06-09T04:00:00.000Z	44 \| good	8.259 \| good	36.559 \| good	31.03 \| good	0.147 \| good	1.883 \| good	0.11 \| good
2025-06-09T05:00:00.000Z	44 \| good	7.65 \| good	33.575 \| good	29.75 \| good	0.18 \| good	2.336 \| good	0.114 \| good
2025-06-09T06:00:00.000Z	44 \| good	7.983 \| good	35.247 \| good	28.753 \| good	0.212 \| good	2.79 \| good	0.119 \| good
2025-06-09T07:00:00.000Z	38 \| good	6.866 \| good	30.436 \| good	27.353 \| good	0.109 \| good	2.243 \| good	0.115 \| good
2025-06-09T08:00:00.000Z	27 \| good	5.353 \| good	23.138 \| good	26.709 \| good	0.123 \| good	2.818 \| good	0.121 \| good
2025-06-09T09:00:00.000Z	33 \| good	6.243 \| good	27.559 \| good	25.448 \| good	0.138 \| good	3.394 \| good	0.127 \| good
2025-06-09T10:00:00.000Z	23 \| good	3.615 \| good	15.673 \| good	25.042 \| good	0.087 \| good	2.262 \| good	0.115 \| good
2025-06-09T11:00:00.000Z	22 \| good	2.945 \| good	12.248 \| good	23.788 \| good	0.088 \| good	2.799 \| good	0.121 \| good
2025-06-09T12:00:00.000Z	27 \| good	4.894 \| good	20.956 \| good	25.402 \| good	0.089 \| good	3.336 \| good	0.128 \| good
2025-06-09T13:00:00.000Z	22 \| good	3.596 \| good	15.689 \| good	24.256 \| good	0.135 \| good	1.128 \| good	0.11 \| good
2025-06-09T14:00:00.000Z	23 \| good	3.503 \| good	15.407 \| good	25.169 \| good	0.155 \| good	1.325 \| good	0.116 \| good
2025-06-09T15:00:00.000Z	27 \| good	2.71 \| good	11.084 \| good	29.022 \| good	0.174 \| good	1.522 \| good	0.123 \| good
2025-06-09T16:00:00.000Z	31 \| good	2.698 \| good	11.187 \| good	33.358 \| good	0.239 \| good	0.464 \| good	0.099 \| good
2025-06-09T17:00:00.000Z	34 \| good	3.602 \| good	15.71 \| good	36.759 \| good	0.268 \| good	0.529 \| good	0.103 \| good
2025-06-09T18:00:00.000Z	37 \| good	4.071 \| good	17.712 \| good	40.003 \| good	0.297 \| good	0.594 \| good	0.108 \| good
2025-06-09T19:00:00.000Z	38 \| good	3.798 \| good	16.6 \| good	41.475 \| good	0.225 \| good	0.256 \| good	0.092 \| good
2025-06-09T20:00:00.000Z	39 \| good	3.191 \| good	13.258 \| good	41.553 \| good	0.25 \| good	0.282 \| good	0.094 \| good

San Luis Obispo

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San Luis Obispo, California air quality map: Track AQI near you

0.16ppm

How accurate is California, USA air quality data?

Air quality data and pollutant measurements for California, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.

Source: Ambee Data Sources

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Frequently asked questions

How often is the air quality data for San Luis Obispo, California updated?

The air quality for San Luis Obispo, California is updated every hour.

When was the worst air quality at San Luis Obispo, California in the last 24 hrs?

The worst air quality in San Luis Obispo, California in the last 24 hours was observed at 06:00:00 on 2025-06-07.

When was the best air quality at San Luis Obispo, California in the last 24 hrs?

In the last 24 hrs, the best air quality in San Luis Obispo, California was observed at 07:00:00 on 2025-06-07.

What is the current air quality in San Luis Obispo, California?

The current air quality in San Luis Obispo, California is 26, categorized as Good based on real-time data.

What pollutant is the most common in San Luis Obispo, California?

The most common pollutant in San Luis Obispo, California is O3.

What should I do if the air quality in San Luis Obispo, California is poor?

If the air quality in San Luis Obispo, California is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in San Luis Obispo, California?

The current PM_2.5 concentration at San Luis Obispo, California is 3.116 μg/m³.

What is the current concentration of PM₁₀ in San Luis Obispo, California?

The current PM₁₀ concentration at San Luis Obispo, California is 13.156 μg/m³.

What is the current concentration of carbon monoxide (CO) in San Luis Obispo, California?

The current carbon monoxide (CO) concentration at San Luis Obispo, California is 0.164 ppm.

What is the current concentration of sulfur dioxide (SO₂) in San Luis Obispo, California?

The current sulfur dioxide (SO₂) concentration at San Luis Obispo, California is 1.125 ppb.

What is the current concentration of ozone (O₃) in San Luis Obispo, California?

The current ozone (O₃) concentration at San Luis Obispo, California is 28.414 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in San Luis Obispo, California?

The current nitrogen dioxide (NO₂) concentration at San Luis Obispo, California is 2.687 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-05T21:00:00.000Z	31 \| good	0.406 \| good	1.384 \| good	34.371 \| good	1.428 \| good	2.91 \| good	0.101 \| good
2025-06-05T22:00:00.000Z	34 \| good	0.31 \| good	1.418 \| good	37.14 \| good	0.885 \| good	2.772 \| good	0.143 \| good
2025-06-05T23:00:00.000Z	34 \| good	0.403 \| good	1.617 \| good	36.725 \| good	1.135 \| good	2.881 \| good	0.144 \| good
2025-06-06T00:00:00.000Z	34 \| good	4.71 \| good	22.271 \| good	36.879 \| good	1.293 \| good	3.012 \| good	0.12 \| good
2025-06-06T01:00:00.000Z	34 \| good	4.267 \| good	15.491 \| good	36.683 \| good	1.158 \| good	2.218 \| good	0.12 \| good
2025-06-06T02:00:00.000Z	33 \| good	0.812 \| good	3.284 \| good	35.861 \| good	1.072 \| good	1.94 \| good	0.12 \| good
2025-06-06T03:00:00.000Z	33 \| good	1.66 \| good	5.213 \| good	35.722 \| good	0.947 \| good	1.927 \| good	0.121 \| good
2025-06-06T04:00:00.000Z	33 \| good	3.722 \| good	5.248 \| good	35.782 \| good	0.755 \| good	1.443 \| good	0.144 \| good
2025-06-06T05:00:00.000Z	31 \| good	1.296 \| good	5.334 \| good	34.228 \| good	0.883 \| good	1.657 \| good	0.164 \| good
2025-06-06T06:00:00.000Z	31 \| good	1.489 \| good	6.276 \| good	33.503 \| good	0.886 \| good	2.015 \| good	0.142 \| good
2025-06-06T07:00:00.000Z	27 \| good	1.291 \| good	5.261 \| good	29.082 \| good	0.658 \| good	1.585 \| good	0.121 \| good
2025-06-06T08:00:00.000Z	28 \| good	0.804 \| good	3.263 \| good	29.594 \| good	0.593 \| good	1.874 \| good	0.12 \| good
2025-06-06T09:00:00.000Z	28 \| good	0.841 \| good	3.385 \| good	29.591 \| good	0.743 \| good	1.543 \| good	0.158 \| good
2025-06-06T10:00:00.000Z	25 \| good	1.29 \| good	3.296 \| good	27.037 \| good	0.76 \| good	1.139 \| good	0.157 \| good
2025-06-06T11:00:00.000Z	23 \| good	1.218 \| good	3.399 \| good	25.174 \| good	0.731 \| good	0.992 \| good	0.142 \| good
2025-06-06T12:00:00.000Z	26 \| good	2.554 \| good	4.191 \| good	27.515 \| good	0.584 \| good	0.97 \| good	0.142 \| good
2025-06-06T13:00:00.000Z	27 \| good	3.659 \| good	6.134 \| good	29.466 \| good	0.705 \| good	2.799 \| good	0.142 \| good
2025-06-06T14:00:00.000Z	26 \| good	3.284 \| good	6.999 \| good	27.748 \| good	0.672 \| good	3.11 \| good	0.165 \| good
2025-06-06T15:00:00.000Z	23 \| good	2.135 \| good	8.975 \| good	25.486 \| good	0.842 \| good	0.938 \| good	0.165 \| good
2025-06-06T16:00:00.000Z	22 \| good	1.162 \| good	10.017 \| good	23.626 \| good	0.685 \| good	2.085 \| good	0.143 \| good
2025-06-06T17:00:00.000Z	26 \| good	0.675 \| good	8.251 \| good	28.439 \| good	1.013 \| good	1.951 \| good	0.164 \| good
2025-06-06T18:00:00.000Z	27 \| good	1.388 \| good	6.448 \| good	28.943 \| good	1.152 \| good	3.107 \| good	0.183 \| good
2025-06-06T19:00:00.000Z	30 \| good	2.234 \| good	8.295 \| good	31.561 \| good	1.544 \| good	2.83 \| good	0.183 \| good
2025-06-06T20:00:00.000Z	31 \| good	2.133 \| good	8.411 \| good	33.06 \| good	1.565 \| good	2.863 \| good	0.164 \| good
2025-06-06T21:00:00.000Z	31 \| good	2.116 \| good	10.401 \| good	34.155 \| good	1.353 \| good	2.641 \| good	0.183 \| good
2025-06-06T22:00:00.000Z	32 \| good	2.581 \| good	10.293 \| good	34.677 \| good	1.146 \| good	1.463 \| good	0.164 \| good
2025-06-06T23:00:00.000Z	33 \| good	2.276 \| good	9.204 \| good	35.885 \| good	1.339 \| good	2.869 \| good	0.143 \| good
2025-06-07T00:00:00.000Z	32 \| good	3.569 \| good	8.313 \| good	35.004 \| good	1.159 \| good	2.857 \| good	0.143 \| good
2025-06-07T01:00:00.000Z	32 \| good	3.785 \| good	11.072 \| good	34.578 \| good	0.958 \| good	2.043 \| good	0.143 \| good
2025-06-07T02:00:00.000Z	31 \| good	3.899 \| good	11.273 \| good	33.87 \| good	0.984 \| good	1.173 \| good	0.143 \| good
2025-06-07T03:00:00.000Z	30 \| good	4.883 \| good	13.39 \| good	32.299 \| good	0.844 \| good	0.942 \| good	0.144 \| good
2025-06-07T04:00:00.000Z	28 \| good	5.344 \| good	16.072 \| good	30.269 \| good	0.957 \| good	1.143 \| good	0.144 \| good
2025-06-07T05:00:00.000Z	44 \| good	7.547 \| good	15.177 \| good	28.684 \| good	1.008 \| good	1.275 \| good	0.164 \| good
2025-06-07T06:00:00.000Z	49 \| good	8.596 \| good	14.078 \| good	32.838 \| good	1.235 \| good	1.338 \| good	0.186 \| good
2025-06-07T07:00:00.000Z	44 \| good	7.763 \| good	15.032 \| good	28.211 \| good	1.595 \| good	1.852 \| good	0.21 \| good
2025-06-07T08:00:00.000Z	33 \| good	6.296 \| good	16.031 \| good	23.258 \| good	1.354 \| good	1.784 \| good	0.187 \| good
2025-06-07T09:00:00.000Z	38 \| good	6.557 \| good	15.13 \| good	24.259 \| good	1.082 \| good	1.815 \| good	0.165 \| good
2025-06-07T10:00:00.000Z	33 \| good	5.715 \| good	15.149 \| good	19.38 \| good	0.293 \| good	1.527 \| good	0.142 \| good
2025-06-07T11:00:00.000Z	27 \| good	5.331 \| good	14.125 \| good	20.783 \| good	0.219 \| good	1.534 \| good	0.165 \| good
2025-06-07T12:00:00.000Z	33 \| good	5.625 \| good	11.207 \| good	15.877 \| good	0.205 \| good	2.307 \| good	0.142 \| good
2025-06-07T13:00:00.000Z	27 \| good	4.763 \| good	13.06 \| good	12.989 \| good	0.811 \| good	2.278 \| good	0.143 \| good
2025-06-07T14:00:00.000Z	27 \| good	5.313 \| good	13.132 \| good	21.627 \| good	0.708 \| good	1.878 \| good	0.125 \| good
2025-06-07T15:00:00.000Z	33 \| good	6.125 \| good	16.062 \| good	25.692 \| good	0.873 \| good	0.851 \| good	0.165 \| good
2025-06-07T16:00:00.000Z	33 \| good	6.077 \| good	14.23 \| good	25.265 \| good	0.904 \| good	2.87 \| good	0.143 \| good
2025-06-07T17:00:00.000Z	27 \| good	5.197 \| good	12.614 \| good	25.896 \| good	1.043 \| good	2.016 \| good	0.164 \| good
2025-06-07T18:00:00.000Z	27 \| good	4.137 \| good	12.647 \| good	28.708 \| good	1.266 \| good	2.957 \| good	0.164 \| good
2025-06-07T19:00:00.000Z	26 \| good	3.116 \| good	13.156 \| good	28.414 \| good	1.125 \| good	2.687 \| good	0.164 \| good
2025-06-07T20:00:00.000Z	26 \| good	3.116 \| good	13.156 \| good	28.414 \| good	1.125 \| good	2.687 \| good	0.164 \| good
2025-06-07T21:00:00.000Z	34 \| good	2.562 \| good	10.642 \| good	37.271 \| good	0.175 \| good	0.301 \| good	0.102 \| good
2025-06-07T22:00:00.000Z	34 \| good	1.994 \| good	8.214 \| good	36.527 \| good	0.169 \| good	0.339 \| good	0.096 \| good
2025-06-07T23:00:00.000Z	33 \| good	2.914 \| good	11.829 \| good	36.209 \| good	0.176 \| good	0.355 \| good	0.097 \| good
2025-06-08T00:00:00.000Z	32 \| good	3.33 \| good	14.258 \| good	35.482 \| good	0.184 \| good	0.371 \| good	0.099 \| good
2025-06-08T01:00:00.000Z	31 \| good	1.624 \| good	6.389 \| good	34.394 \| good	0.142 \| good	0.772 \| good	0.098 \| good
2025-06-08T02:00:00.000Z	31 \| good	3.337 \| good	14.717 \| good	33.118 \| good	0.158 \| good	0.887 \| good	0.1 \| good
2025-06-08T03:00:00.000Z	30 \| good	5.37 \| good	23.195 \| good	32.158 \| good	0.175 \| good	1.002 \| good	0.102 \| good
2025-06-08T04:00:00.000Z	38 \| good	7.285 \| good	32.194 \| good	31.098 \| good	0.133 \| good	0.935 \| good	0.1 \| good
2025-06-08T05:00:00.000Z	33 \| good	6.407 \| good	28.252 \| good	29.669 \| good	0.139 \| good	1.136 \| good	0.102 \| good
2025-06-08T06:00:00.000Z	27 \| good	5.034 \| good	21.828 \| good	28.436 \| good	0.145 \| good	1.336 \| good	0.105 \| good
2025-06-08T07:00:00.000Z	25 \| good	3.54 \| good	15.519 \| good	26.899 \| good	0.151 \| good	1.128 \| good	0.102 \| good
2025-06-08T08:00:00.000Z	24 \| good	3.305 \| good	14.358 \| good	26.302 \| good	0.136 \| good	1.41 \| good	0.106 \| good
2025-06-08T09:00:00.000Z	27 \| good	4.555 \| good	19.892 \| good	25.097 \| good	0.122 \| good	1.693 \| good	0.109 \| good
2025-06-08T10:00:00.000Z	22 \| good	3.112 \| good	13.084 \| good	24.457 \| good	0.162 \| good	1.357 \| good	0.104 \| good
2025-06-08T11:00:00.000Z	23 \| good	3.177 \| good	13.743 \| good	24.52 \| good	0.134 \| good	1.69 \| good	0.108 \| good
2025-06-08T12:00:00.000Z	23 \| good	3.688 \| good	16.168 \| good	24.926 \| good	0.107 \| good	2.022 \| good	0.112 \| good
2025-06-08T13:00:00.000Z	22 \| good	3.652 \| good	16.101 \| good	24.06 \| good	0.202 \| good	0.819 \| good	0.103 \| good
2025-06-08T14:00:00.000Z	25 \| good	3.48 \| good	15.358 \| good	26.516 \| good	0.189 \| good	0.937 \| good	0.107 \| good
2025-06-08T15:00:00.000Z	27 \| good	2.191 \| good	9.014 \| good	29.459 \| good	0.175 \| good	1.055 \| good	0.11 \| good
2025-06-08T16:00:00.000Z	30 \| good	1.167 \| good	4.305 \| good	31.873 \| good	0.308 \| good	0.434 \| good	0.103 \| good
2025-06-08T17:00:00.000Z	31 \| good	2.34 \| good	9.633 \| good	33.233 \| good	0.317 \| good	0.482 \| good	0.105 \| good
2025-06-08T18:00:00.000Z	32 \| good	2.084 \| good	8.518 \| good	34.636 \| good	0.326 \| good	0.53 \| good	0.107 \| good
2025-06-08T19:00:00.000Z	33 \| good	1.657 \| good	6.755 \| good	35.944 \| good	0.284 \| good	0.254 \| good	0.099 \| good
2025-06-08T20:00:00.000Z	34 \| good	0.924 \| good	3.686 \| good	37.457 \| good	0.301 \| good	0.278 \| good	0.101 \| good
2025-06-08T21:00:00.000Z	36 \| good	2.806 \| good	11.467 \| good	38.749 \| good	0.317 \| good	0.303 \| good	0.102 \| good
2025-06-08T22:00:00.000Z	35 \| good	2.197 \| good	8.894 \| good	37.824 \| good	0.221 \| good	0.314 \| good	0.098 \| good
2025-06-08T23:00:00.000Z	34 \| good	3.012 \| good	12.757 \| good	36.877 \| good	0.24 \| good	0.341 \| good	0.1 \| good
2025-06-09T00:00:00.000Z	33 \| good	4.651 \| good	20.089 \| good	36.081 \| good	0.259 \| good	0.367 \| good	0.101 \| good
2025-06-09T01:00:00.000Z	32 \| good	2.198 \| good	8.982 \| good	35.429 \| good	0.144 \| good	0.76 \| good	0.1 \| good
2025-06-09T02:00:00.000Z	31 \| good	3.014 \| good	12.74 \| good	33.484 \| good	0.17 \| good	0.885 \| good	0.102 \| good
2025-06-09T03:00:00.000Z	33 \| good	5.633 \| good	24.836 \| good	32.045 \| good	0.196 \| good	1.009 \| good	0.104 \| good
2025-06-09T04:00:00.000Z	44 \| good	8.259 \| good	36.559 \| good	31.03 \| good	0.147 \| good	1.883 \| good	0.11 \| good
2025-06-09T05:00:00.000Z	44 \| good	7.65 \| good	33.575 \| good	29.75 \| good	0.18 \| good	2.336 \| good	0.114 \| good
2025-06-09T06:00:00.000Z	44 \| good	7.983 \| good	35.247 \| good	28.753 \| good	0.212 \| good	2.79 \| good	0.119 \| good
2025-06-09T07:00:00.000Z	38 \| good	6.866 \| good	30.436 \| good	27.353 \| good	0.109 \| good	2.243 \| good	0.115 \| good
2025-06-09T08:00:00.000Z	27 \| good	5.353 \| good	23.138 \| good	26.709 \| good	0.123 \| good	2.818 \| good	0.121 \| good
2025-06-09T09:00:00.000Z	33 \| good	6.243 \| good	27.559 \| good	25.448 \| good	0.138 \| good	3.394 \| good	0.127 \| good
2025-06-09T10:00:00.000Z	23 \| good	3.615 \| good	15.673 \| good	25.042 \| good	0.087 \| good	2.262 \| good	0.115 \| good
2025-06-09T11:00:00.000Z	22 \| good	2.945 \| good	12.248 \| good	23.788 \| good	0.088 \| good	2.799 \| good	0.121 \| good
2025-06-09T12:00:00.000Z	27 \| good	4.894 \| good	20.956 \| good	25.402 \| good	0.089 \| good	3.336 \| good	0.128 \| good
2025-06-09T13:00:00.000Z	22 \| good	3.596 \| good	15.689 \| good	24.256 \| good	0.135 \| good	1.128 \| good	0.11 \| good
2025-06-09T14:00:00.000Z	23 \| good	3.503 \| good	15.407 \| good	25.169 \| good	0.155 \| good	1.325 \| good	0.116 \| good
2025-06-09T15:00:00.000Z	27 \| good	2.71 \| good	11.084 \| good	29.022 \| good	0.174 \| good	1.522 \| good	0.123 \| good
2025-06-09T16:00:00.000Z	31 \| good	2.698 \| good	11.187 \| good	33.358 \| good	0.239 \| good	0.464 \| good	0.099 \| good
2025-06-09T17:00:00.000Z	34 \| good	3.602 \| good	15.71 \| good	36.759 \| good	0.268 \| good	0.529 \| good	0.103 \| good
2025-06-09T18:00:00.000Z	37 \| good	4.071 \| good	17.712 \| good	40.003 \| good	0.297 \| good	0.594 \| good	0.108 \| good
2025-06-09T19:00:00.000Z	38 \| good	3.798 \| good	16.6 \| good	41.475 \| good	0.225 \| good	0.256 \| good	0.092 \| good
2025-06-09T20:00:00.000Z	39 \| good	3.191 \| good	13.258 \| good	41.553 \| good	0.25 \| good	0.282 \| good	0.094 \| good

Live air quality index in San Luis Obispo, California today

Major air pollutants in San Luis Obispo, 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 Luis Obispo, California air quality map: Track AQI near you

Air quality in nearby cities

Los Osos, California

Grover Beach, California

Arroyo Grande, California

Morro Bay, California

Atascadero, California

Nipomo, California

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Frequently asked questions

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What is the current concentration of PM2.5 in San Luis Obispo, California?

What is the current concentration of PM10 in San Luis Obispo, California?

What is the current concentration of carbon monoxide (CO) in San Luis Obispo, California?

What is the current concentration of sulfur dioxide (SO2) in San Luis Obispo, California?

What is the current concentration of ozone (O3) in San Luis Obispo, California?

What is the current concentration of nitrogen dioxide (NO2) in San Luis Obispo, California?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the current concentration of PM_2.5 in San Luis Obispo, California?

What is the current concentration of PM₁₀ in San Luis Obispo, California?

What is the current concentration of sulfur dioxide (SO₂) in San Luis Obispo, California?

What is the current concentration of ozone (O₃) in San Luis Obispo, California?

What is the current concentration of nitrogen dioxide (NO₂) in San Luis Obispo, California?