What is the PM10 level in Los Osos, California at the moment?

The PM10 concentration in Los Osos, California is 23.516 μg/m3 at the moment.

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

Currently, Los Osos, California has a sulfur dioxide (SO2) concentration of 0.463 ppb.

What is the ozone (O3) level in Los Osos, California at the moment?

The current ozone (O3) level in Los Osos, California at the moment is 30.301 ppm.

What is the nitrogen dioxide (NO2) level in Los Osos, California at the moment?

Nitrogen dioxide (NO2) level in Los Osos, California at the moment is 4.249 ppb.

Live air quality index in Los Osos, California today

Q: What is the PM2.5 level in Los Osos, California at the moment?

PM2.5 levels in Los Osos, California are currently 4.917 μg/m3.

Stay updated with real-time air quality in Los Osos, 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

Los Osos, California

Last updated: ... (Local time)

Major air pollutants in Los Osos, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.92 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

23.52 μg/m³

155

255

425

605+

Ozone (O₃)

30.30 ppb

201

201+

Sulfur Dioxide (SO₂)

0.46 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.25 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.18 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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Los Osos, California

Scroll To Air Quality Map

Track live Los Osos, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-08T12:00:00.000Z	49 \| good	8.564 \| good	17.901 \| good	36.932 \| good	0.287 \| good	5.265 \| good	0.241 \| good
2026-03-08T13:00:00.000Z	44 \| good	7.535 \| good	15.102 \| good	36.989 \| good	0.514 \| good	4.89 \| good	0.177 \| good
2026-03-08T14:00:00.000Z	32 \| good	4.372 \| good	13.086 \| good	35.151 \| good	0.568 \| good	6.157 \| good	0.281 \| good
2026-03-08T15:00:00.000Z	34 \| good	4.004 \| good	17.201 \| good	37.461 \| good	0.608 \| good	7.44 \| good	0.197 \| good
2026-03-08T16:00:00.000Z	34 \| good	3.595 \| good	11.096 \| good	36.983 \| good	0.56 \| good	5.038 \| good	0.203 \| good
2026-03-08T17:00:00.000Z	36 \| good	3.025 \| good	8.033 \| good	38.678 \| good	0.556 \| good	3.82 \| good	0.198 \| good
2026-03-08T18:00:00.000Z	36 \| good	2.94 \| good	13.499 \| good	39.092 \| good	0.726 \| good	3.484 \| good	0.238 \| good
2026-03-08T19:00:00.000Z	35 \| good	2.67 \| good	12.064 \| good	38.348 \| good	0.883 \| good	2.08 \| good	0.201 \| good
2026-03-08T20:00:00.000Z	38 \| good	1.959 \| good	12.426 \| good	40.69 \| good	0.89 \| good	1.602 \| good	0.2 \| good
2026-03-08T21:00:00.000Z	37 \| good	2.82 \| good	12.998 \| good	40.27 \| good	0.943 \| good	1.481 \| good	0.195 \| good
2026-03-08T22:00:00.000Z	38 \| good	2.48 \| good	11.429 \| good	41.3 \| good	0.904 \| good	1.124 \| good	0.159 \| good
2026-03-08T23:00:00.000Z	39 \| good	2.472 \| good	16.508 \| good	41.79 \| good	0.684 \| good	1.08 \| good	0.154 \| good
2026-03-09T00:00:00.000Z	36 \| good	3.023 \| good	13.627 \| good	39.13 \| good	0.58 \| good	1.017 \| good	0.154 \| good
2026-03-09T01:00:00.000Z	36 \| good	1.941 \| good	9.167 \| good	38.857 \| good	0.621 \| good	0.889 \| good	0.174 \| good
2026-03-09T02:00:00.000Z	35 \| good	5.023 \| good	24.052 \| good	37.882 \| good	0.602 \| good	1.49 \| good	0.159 \| good
2026-03-09T03:00:00.000Z	33 \| good	5.639 \| good	24.619 \| good	35.735 \| good	0.256 \| good	4.074 \| good	0.168 \| good
2026-03-09T04:00:00.000Z	33 \| good	3.892 \| good	9.935 \| good	35.578 \| good	0.625 \| good	7.532 \| good	0.282 \| good
2026-03-09T05:00:00.000Z	33 \| good	6.425 \| good	24.05 \| good	32.564 \| good	0.572 \| good	6.828 \| good	0.326 \| good
2026-03-09T06:00:00.000Z	28 \| good	5.429 \| good	17.866 \| good	30.145 \| good	0.546 \| good	8.361 \| good	0.409 \| good
2026-03-09T07:00:00.000Z	27 \| good	4.642 \| good	10.029 \| good	28.889 \| good	0.562 \| good	7.178 \| good	0.431 \| good
2026-03-09T08:00:00.000Z	26 \| good	3.529 \| good	10.312 \| good	27.724 \| good	0.585 \| good	6.527 \| good	0.343 \| good
2026-03-09T09:00:00.000Z	25 \| good	2.949 \| good	11.528 \| good	26.781 \| good	0.363 \| good	5.363 \| good	0.322 \| good
2026-03-09T10:00:00.000Z	25 \| good	3.243 \| good	13.355 \| good	26.969 \| good	0.282 \| good	5.166 \| good	0.232 \| good
2026-03-09T11:00:00.000Z	25 \| good	2.476 \| good	6.946 \| good	26.84 \| good	0.545 \| good	5.093 \| good	0.212 \| good
2026-03-09T12:00:00.000Z	22 \| good	2.285 \| good	7.957 \| good	23.687 \| good	0.506 \| good	7.544 \| good	0.216 \| good
2026-03-09T13:00:00.000Z	21 \| good	2.169 \| good	7.993 \| good	23.476 \| good	0.475 \| good	7.739 \| good	0.216 \| good
2026-03-09T14:00:00.000Z	19 \| good	1.683 \| good	8.963 \| good	20.481 \| good	0.69 \| good	6.912 \| good	0.233 \| good
2026-03-09T15:00:00.000Z	17 \| good	1.894 \| good	11.307 \| good	17.663 \| good	0.616 \| good	8.621 \| good	0.33 \| good
2026-03-09T16:00:00.000Z	17 \| good	2.065 \| good	7.378 \| good	17.866 \| good	0.686 \| good	10.658 \| good	0.447 \| good
2026-03-09T17:00:00.000Z	21 \| good	1.828 \| good	23.413 \| good	19.831 \| good	0.757 \| good	9.959 \| good	0.463 \| good
2026-03-09T18:00:00.000Z	19 \| good	1.618 \| good	10.97 \| good	19.676 \| good	0.816 \| good	5.752 \| good	0.289 \| good
2026-03-09T19:00:00.000Z	22 \| good	1.932 \| good	8.541 \| good	23.853 \| good	0.772 \| good	4.233 \| good	0.207 \| good
2026-03-09T20:00:00.000Z	26 \| good	2.847 \| good	11.328 \| good	27.956 \| good	1.075 \| good	4.28 \| good	0.191 \| good
2026-03-09T21:00:00.000Z	28 \| good	3.497 \| good	24.533 \| good	30.403 \| good	0.837 \| good	2.51 \| good	0.175 \| good
2026-03-09T22:00:00.000Z	30 \| good	4.516 \| good	19.361 \| good	32.379 \| good	0.742 \| good	2.412 \| good	0.175 \| good
2026-03-09T23:00:00.000Z	31 \| good	5.229 \| good	23.357 \| good	34.422 \| good	0.778 \| good	2.975 \| good	0.195 \| good
2026-03-10T00:00:00.000Z	38 \| good	7.033 \| good	24.086 \| good	34.462 \| good	0.677 \| good	2.029 \| good	0.194 \| good
2026-03-10T01:00:00.000Z	44 \| good	8.113 \| good	31.973 \| good	34.352 \| good	0.66 \| good	2.209 \| good	0.175 \| good
2026-03-10T02:00:00.000Z	38 \| good	6.992 \| good	27.355 \| good	33.384 \| good	0.479 \| good	2.023 \| good	0.173 \| good
2026-03-10T03:00:00.000Z	44 \| good	8.246 \| good	36.371 \| good	36.922 \| good	0.439 \| good	4.392 \| good	0.152 \| good
2026-03-10T04:00:00.000Z	33 \| good	6.119 \| good	21.996 \| good	31.281 \| good	0.377 \| good	2.315 \| good	0.195 \| good
2026-03-10T05:00:00.000Z	38 \| good	6.772 \| good	38.675 \| good	32.537 \| good	0.597 \| good	3.499 \| good	0.2 \| good
2026-03-10T06:00:00.000Z	30 \| good	4.972 \| good	19.702 \| good	32.287 \| good	0.352 \| good	3.919 \| good	0.216 \| good
2026-03-10T07:00:00.000Z	29 \| good	5.336 \| good	20.752 \| good	30.82 \| good	0.548 \| good	4.038 \| good	0.2 \| good
2026-03-10T08:00:00.000Z	28 \| good	5.326 \| good	28.699 \| good	29.957 \| good	0.502 \| good	4.003 \| good	0.221 \| good
2026-03-10T09:00:00.000Z	33 \| good	5.746 \| good	31.346 \| good	30.366 \| good	0.503 \| good	4.27 \| good	0.237 \| good
2026-03-10T10:00:00.000Z	28 \| good	5.385 \| good	21.226 \| good	30.024 \| good	0.488 \| good	3.503 \| good	0.2 \| good
2026-03-10T11:00:00.000Z	28 \| good	4.917 \| good	23.516 \| good	30.301 \| good	0.463 \| good	4.249 \| good	0.179 \| good
2026-03-10T11:00:00.000Z	28 \| good	4.917 \| good	23.516 \| good	30.301 \| good	0.463 \| good	4.249 \| good	0.179 \| good
2026-03-10T12:00:00.000Z	27 \| good	5.403 \| good	23.17 \| good	29.453 \| good	0.254 \| good	5.213 \| good	0.184 \| good
2026-03-10T13:00:00.000Z	33 \| good	5.513 \| good	23.858 \| good	33.018 \| good	0.224 \| good	5.118 \| good	0.185 \| good
2026-03-10T14:00:00.000Z	32 \| good	4.644 \| good	20.096 \| good	34.983 \| good	0.195 \| good	5.022 \| good	0.186 \| good
2026-03-10T15:00:00.000Z	31 \| good	4.631 \| good	20.096 \| good	33.246 \| good	0.166 \| good	4.926 \| good	0.187 \| good
2026-03-10T16:00:00.000Z	33 \| good	4.29 \| good	18.684 \| good	35.553 \| good	0.219 \| good	3.591 \| good	0.17 \| good
2026-03-10T17:00:00.000Z	33 \| good	3.503 \| good	15.235 \| good	36.217 \| good	0.272 \| good	2.256 \| good	0.154 \| good
2026-03-10T18:00:00.000Z	36 \| good	4.071 \| good	17.774 \| good	39.39 \| good	0.325 \| good	0.921 \| good	0.137 \| good
2026-03-10T19:00:00.000Z	40 \| good	4.347 \| good	19.138 \| good	42.509 \| good	0.285 \| good	0.745 \| good	0.133 \| good
2026-03-10T20:00:00.000Z	40 \| good	3.607 \| good	16 \| good	42.519 \| good	0.246 \| good	0.569 \| good	0.129 \| good
2026-03-10T21:00:00.000Z	40 \| good	4.235 \| good	18.46 \| good	43.109 \| good	0.207 \| good	0.393 \| good	0.125 \| good
2026-03-10T22:00:00.000Z	41 \| good	5.123 \| good	22.075 \| good	43.737 \| good	0.191 \| good	0.426 \| good	0.124 \| good
2026-03-10T23:00:00.000Z	40 \| good	6.463 \| good	29.006 \| good	43.344 \| good	0.175 \| good	0.46 \| good	0.123 \| good
2026-03-11T00:00:00.000Z	49 \| good	9.142 \| good	40.858 \| good	43.264 \| good	0.159 \| good	0.494 \| good	0.122 \| good
2026-03-11T01:00:00.000Z	49 \| good	8.706 \| good	38.415 \| good	42.918 \| good	0.172 \| good	1.024 \| good	0.127 \| good
2026-03-11T02:00:00.000Z	38 \| good	6.814 \| good	30.138 \| good	40.666 \| good	0.185 \| good	1.553 \| good	0.132 \| good
2026-03-11T03:00:00.000Z	44 \| good	8.345 \| good	36.66 \| good	36.809 \| good	0.198 \| good	2.083 \| good	0.136 \| good
2026-03-11T04:00:00.000Z	52 \| moderate	9.645 \| good	43.02 \| good	35.571 \| good	0.229 \| good	2.803 \| good	0.144 \| good
2026-03-11T05:00:00.000Z	44 \| good	7.525 \| good	33.268 \| good	33.974 \| good	0.26 \| good	3.522 \| good	0.151 \| good
2026-03-11T06:00:00.000Z	38 \| good	6.942 \| good	30.871 \| good	33.521 \| good	0.291 \| good	4.242 \| good	0.158 \| good
2026-03-11T07:00:00.000Z	33 \| good	6.368 \| good	28.147 \| good	33.294 \| good	0.27 \| good	4.914 \| good	0.169 \| good
2026-03-11T08:00:00.000Z	38 \| good	6.877 \| good	30.347 \| good	33.724 \| good	0.249 \| good	5.586 \| good	0.179 \| good
2026-03-11T09:00:00.000Z	44 \| good	7.538 \| good	33.272 \| good	33.111 \| good	0.228 \| good	6.259 \| good	0.19 \| good
2026-03-11T10:00:00.000Z	38 \| good	6.814 \| good	30.002 \| good	34.354 \| good	0.225 \| good	5.855 \| good	0.19 \| good
2026-03-11T11:00:00.000Z	38 \| good	7.266 \| good	32.277 \| good	34.742 \| good	0.222 \| good	5.45 \| good	0.19 \| good
2026-03-11T12:00:00.000Z	38 \| good	6.716 \| good	29.897 \| good	33.18 \| good	0.219 \| good	5.046 \| good	0.19 \| good
2026-03-11T13:00:00.000Z	38 \| good	7.316 \| good	32.212 \| good	33.157 \| good	0.244 \| good	4.74 \| good	0.191 \| good
2026-03-11T14:00:00.000Z	44 \| good	8.313 \| good	36.627 \| good	32.483 \| good	0.268 \| good	4.433 \| good	0.193 \| good
2026-03-11T15:00:00.000Z	38 \| good	7.035 \| good	31.206 \| good	32.016 \| good	0.293 \| good	4.127 \| good	0.194 \| good
2026-03-11T16:00:00.000Z	34 \| good	5.839 \| good	25.736 \| good	36.866 \| good	0.418 \| good	3.275 \| good	0.18 \| good
2026-03-11T17:00:00.000Z	37 \| good	5.305 \| good	23.009 \| good	39.794 \| good	0.544 \| good	2.422 \| good	0.167 \| good
2026-03-11T18:00:00.000Z	38 \| good	5.155 \| good	22.337 \| good	41.031 \| good	0.669 \| good	1.57 \| good	0.154 \| good
2026-03-11T19:00:00.000Z	39 \| good	4.91 \| good	21.06 \| good	41.865 \| good	0.623 \| good	1.271 \| good	0.148 \| good
2026-03-11T20:00:00.000Z	41 \| good	5.364 \| good	23.136 \| good	43.661 \| good	0.577 \| good	0.972 \| good	0.143 \| good
2026-03-11T21:00:00.000Z	42 \| good	7.274 \| good	32.171 \| good	45.007 \| good	0.532 \| good	0.672 \| good	0.137 \| good
2026-03-11T22:00:00.000Z	44 \| good	7.625 \| good	33.468 \| good	45.513 \| good	0.502 \| good	0.73 \| good	0.138 \| good
2026-03-11T23:00:00.000Z	44 \| good	8.13 \| good	35.811 \| good	45.287 \| good	0.471 \| good	0.788 \| good	0.138 \| good
2026-03-12T00:00:00.000Z	52 \| moderate	9.678 \| good	43 \| good	46.385 \| good	0.441 \| good	0.846 \| good	0.138 \| good
2026-03-12T01:00:00.000Z	54 \| moderate	11 \| good	48.694 \| good	44.099 \| good	0.429 \| good	1.847 \| good	0.147 \| good
2026-03-12T02:00:00.000Z	49 \| good	8.821 \| good	39.458 \| good	44.117 \| good	0.416 \| good	2.848 \| good	0.156 \| good
2026-03-12T03:00:00.000Z	49 \| good	9.417 \| good	41.659 \| good	40.707 \| good	0.403 \| good	3.849 \| good	0.165 \| good
2026-03-12T04:00:00.000Z	52 \| moderate	9.931 \| good	44.158 \| good	40.12 \| good	0.424 \| good	4.017 \| good	0.168 \| good
2026-03-12T05:00:00.000Z	44 \| good	8.468 \| good	37.239 \| good	39.078 \| good	0.445 \| good	4.186 \| good	0.172 \| good
2026-03-12T06:00:00.000Z	44 \| good	8.484 \| good	14.896 \| good	30.989 \| good	0.468 \| good	4.334 \| good	0.176 \| good
2026-03-12T07:00:00.000Z	35 \| good	5.026 \| good	21.553 \| good	38.016 \| good	0.437 \| good	3.92 \| good	0.172 \| good
2026-03-12T08:00:00.000Z	35 \| good	4.903 \| good	21.298 \| good	37.791 \| good	0.408 \| good	3.486 \| good	0.167 \| good
2026-03-12T09:00:00.000Z	34 \| good	5.245 \| good	22.589 \| good	36.504 \| good	0.379 \| good	3.052 \| good	0.163 \| good
2026-03-12T10:00:00.000Z	33 \| good	4.68 \| good	20.439 \| good	36.061 \| good	0.352 \| good	2.991 \| good	0.161 \| good
2026-03-12T11:00:00.000Z	34 \| good	5.775 \| good	25.052 \| good	36.869 \| good	0.325 \| good	2.929 \| good	0.159 \| good

Los Osos

Get reliable air quality data to drive your business

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

0.20ppm

How accurate is California, USA air quality data?

Air quality and pollutant data for California, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

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Frequently asked questions

How often is air quality information updated for Los Osos, California?

The air quality information for Los Osos, California is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Los Osos, California at its worst?

In the past 24 hours, the air quality in Los Osos, California was at its worst at 03:00:00 on 2026-03-10.

When did Los Osos, California experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Los Osos, California was observed at 04:00:00 on 2026-03-09.

What is the AQI in Los Osos, California right now?

As of now, the AQI in Los Osos, California is 28, indicating Good conditions.

What is the most common type of pollution in Los Osos, California?

Los Osos, California air has the highest levels of O3.

What should I do in case of poor air quality in Los Osos, California?

Poor air quality in Los Osos, California means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in Los Osos, California at the moment?

PM_2.5 levels in Los Osos, California are currently 4.917 μg/m³.

What is the PM₁₀ level in Los Osos, California at the moment?

The PM₁₀ concentration in Los Osos, California is 23.516 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Los Osos, California at the moment?

The current carbon monoxide (CO) concentration in Los Osos, California is 0.179 ppm.

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

Currently, Los Osos, California has a sulfur dioxide (SO₂) concentration of 0.463 ppb.

What is the ozone (O₃) level in Los Osos, California at the moment?

The current ozone (O₃) level in Los Osos, California at the moment is 30.301 ppm.

What is the nitrogen dioxide (NO₂) level in Los Osos, California at the moment?

Nitrogen dioxide (NO₂) level in Los Osos, California at the moment is 4.249 ppb.

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