What is the PM10 level in California, Maryland at the moment?

The PM10 concentration in California, Maryland is 9.764 μg/m3 at the moment.

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

Currently, California, Maryland has a sulfur dioxide (SO2) concentration of 0.493 ppb.

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

The current ozone (O3) level in California, Maryland at the moment is 43.102 ppm.

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

Nitrogen dioxide (NO2) level in California, Maryland at the moment is 3.994 ppb.

Live air quality index in California, Maryland today

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

PM2.5 levels in California, Maryland are currently 6.069 μg/m3.

Stay updated with real-time air quality in California, Maryland 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

California, Maryland

Last updated: ... (Local time)

Major air pollutants in California, Maryland

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

6.07 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

9.76 μg/m³

155

255

425

605+

Ozone (O₃)

43.10 ppb

201

201+

Sulfur Dioxide (SO₂)

0.49 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.99 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.14 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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California, Maryland

Scroll To Air Quality Map

Track live California, Maryland air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-07T21:00:00.000Z	31 \| good	5.243 \| good	32.799 \| good	31.015 \| good	0.296 \| good	5.377 \| good	0.234 \| good
2026-03-07T22:00:00.000Z	33 \| good	5.829 \| good	20.296 \| good	29.648 \| good	0.275 \| good	4.945 \| good	0.197 \| good
2026-03-07T23:00:00.000Z	33 \| good	5.836 \| good	29.579 \| good	27.99 \| good	0.283 \| good	3.582 \| good	0.215 \| good
2026-03-08T00:00:00.000Z	38 \| good	6.655 \| good	24.069 \| good	24.817 \| good	0.28 \| good	3.002 \| good	0.277 \| good
2026-03-08T01:00:00.000Z	37 \| good	6.168 \| good	40.32 \| good	25.51 \| good	0.29 \| good	4.291 \| good	0.357 \| good
2026-03-08T02:00:00.000Z	38 \| good	7.06 \| good	35.941 \| good	21.744 \| good	0.276 \| good	5.793 \| good	0.424 \| good
2026-03-08T03:00:00.000Z	27 \| good	3.928 \| good	17.027 \| good	28.912 \| good	0.549 \| good	2.704 \| good	0.11 \| good
2026-03-08T04:00:00.000Z	33 \| good	6.217 \| good	26.956 \| good	22.834 \| good	0.292 \| good	4.494 \| good	0.363 \| good
2026-03-08T05:00:00.000Z	49 \| good	8.99 \| good	17.316 \| good	20.276 \| good	0.307 \| good	3.758 \| good	0.401 \| good
2026-03-08T06:00:00.000Z	56 \| moderate	11.961 \| good	41.18 \| good	19.622 \| good	0.253 \| good	5.057 \| good	0.504 \| good
2026-03-08T07:00:00.000Z	58 \| moderate	13.171 \| fine	32.689 \| good	17.953 \| good	0.26 \| good	5.684 \| good	0.544 \| good
2026-03-08T08:00:00.000Z	54 \| moderate	11.274 \| good	30.057 \| good	20.114 \| good	0.328 \| good	4.25 \| good	0.484 \| good
2026-03-08T09:00:00.000Z	49 \| good	9.338 \| good	19.766 \| good	17.522 \| good	0.344 \| good	2.024 \| good	0.404 \| good
2026-03-08T10:00:00.000Z	44 \| good	7.881 \| good	48.152 \| good	17.72 \| good	0.457 \| good	2.035 \| good	0.315 \| good
2026-03-08T11:00:00.000Z	38 \| good	7.01 \| good	23.495 \| good	12.933 \| good	0.477 \| good	2.381 \| good	0.268 \| good
2026-03-08T12:00:00.000Z	52 \| moderate	9.506 \| good	31.843 \| good	17.396 \| good	0.463 \| good	1.993 \| good	0.251 \| good
2026-03-08T13:00:00.000Z	42 \| good	7.15 \| good	44.668 \| good	14.802 \| good	0.38 \| good	2.848 \| good	0.251 \| good
2026-03-08T14:00:00.000Z	33 \| good	6.273 \| good	24.186 \| good	16.662 \| good	0.499 \| good	3.944 \| good	0.274 \| good
2026-03-08T15:00:00.000Z	52 \| moderate	10.041 \| good	52.185 \| good	16.318 \| good	0.53 \| good	4.255 \| good	0.378 \| good
2026-03-08T16:00:00.000Z	49 \| good	9.009 \| good	30.331 \| good	20.095 \| good	0.491 \| good	2.857 \| good	0.304 \| good
2026-03-08T17:00:00.000Z	49 \| good	9.132 \| good	35.346 \| good	18.799 \| good	0.452 \| good	1.854 \| good	0.244 \| good
2026-03-08T18:00:00.000Z	27 \| good	5.437 \| good	25.755 \| good	23.552 \| good	0.425 \| good	4.888 \| good	0.143 \| good
2026-03-08T19:00:00.000Z	33 \| good	6.438 \| good	20.573 \| good	28.21 \| good	0.373 \| good	2.458 \| good	0.143 \| good
2026-03-08T20:00:00.000Z	33 \| good	5.973 \| good	22.064 \| good	29.601 \| good	0.347 \| good	1.364 \| good	0.124 \| good
2026-03-08T21:00:00.000Z	38 \| good	7.196 \| good	19.371 \| good	32.116 \| good	0.388 \| good	1.702 \| good	0.14 \| good
2026-03-08T22:00:00.000Z	30 \| good	2.968 \| good	14.724 \| good	32.04 \| good	0.37 \| good	1.506 \| good	0.14 \| good
2026-03-08T23:00:00.000Z	33 \| good	4.87 \| good	20.033 \| good	35.61 \| good	0.325 \| good	1.775 \| good	0.14 \| good
2026-03-09T00:00:00.000Z	29 \| good	3.284 \| good	17.834 \| good	30.542 \| good	0.303 \| good	1.997 \| good	0.122 \| good
2026-03-09T01:00:00.000Z	33 \| good	5.672 \| good	33.443 \| good	22.933 \| good	0.218 \| good	3.322 \| good	0.202 \| good
2026-03-09T02:00:00.000Z	27 \| good	5.193 \| good	24.466 \| good	24.954 \| good	0.167 \| good	3.485 \| good	0.202 \| good
2026-03-09T03:00:00.000Z	27 \| good	4.675 \| good	20.04 \| good	24.576 \| good	0.717 \| good	4.436 \| good	0.156 \| good
2026-03-09T04:00:00.000Z	27 \| good	5.056 \| good	25.53 \| good	25.511 \| good	0.211 \| good	2.678 \| good	0.331 \| good
2026-03-09T05:00:00.000Z	27 \| good	4.709 \| good	21.873 \| good	24.907 \| good	0.211 \| good	2.762 \| good	0.392 \| good
2026-03-09T06:00:00.000Z	27 \| good	4.903 \| good	23.156 \| good	26.262 \| good	0.208 \| good	2.977 \| good	0.434 \| good
2026-03-09T07:00:00.000Z	22 \| good	4.422 \| good	15.956 \| good	18.19 \| good	0.211 \| good	9.544 \| good	0.434 \| good
2026-03-09T08:00:00.000Z	27 \| good	4.993 \| good	16.223 \| good	16.492 \| good	0.28 \| good	15.102 \| good	0.432 \| good
2026-03-09T09:00:00.000Z	27 \| good	4.952 \| good	16.37 \| good	12.456 \| good	0.25 \| good	19.478 \| good	0.431 \| good
2026-03-09T10:00:00.000Z	27 \| good	5.455 \| good	21.194 \| good	11.959 \| good	0.287 \| good	20.142 \| good	0.45 \| good
2026-03-09T11:00:00.000Z	33 \| good	6.083 \| good	27.995 \| good	12.245 \| good	0.338 \| good	13.803 \| good	0.47 \| good
2026-03-09T12:00:00.000Z	33 \| good	6.19 \| good	25.412 \| good	9.276 \| good	0.491 \| good	11.199 \| good	0.629 \| good
2026-03-09T13:00:00.000Z	27 \| good	5.141 \| good	16.229 \| good	7.635 \| good	0.384 \| good	12.074 \| good	0.735 \| good
2026-03-09T14:00:00.000Z	33 \| good	5.972 \| good	25.388 \| good	13.282 \| good	0.21 \| good	11.436 \| good	0.838 \| good
2026-03-09T15:00:00.000Z	33 \| good	5.626 \| good	18.782 \| good	26.735 \| good	0.364 \| good	9.792 \| good	0.698 \| good
2026-03-09T16:00:00.000Z	27 \| good	5.12 \| good	15.294 \| good	23.387 \| good	0.389 \| good	6.414 \| good	0.533 \| good
2026-03-09T17:00:00.000Z	52 \| moderate	10.073 \| good	21.619 \| good	23.47 \| good	0.377 \| good	18.327 \| good	0.325 \| good
2026-03-09T18:00:00.000Z	33 \| good	4.57 \| good	12.108 \| good	36.082 \| good	0.395 \| good	10.169 \| good	0.158 \| good
2026-03-09T19:00:00.000Z	33 \| good	3.392 \| good	10.408 \| good	35.903 \| good	0.49 \| good	5.18 \| good	0.141 \| good
2026-03-09T20:00:00.000Z	40 \| good	6.069 \| good	9.764 \| good	43.102 \| good	0.493 \| good	3.994 \| good	0.145 \| good
2026-03-09T20:00:00.000Z	40 \| good	6.069 \| good	9.764 \| good	43.102 \| good	0.493 \| good	3.994 \| good	0.145 \| good
2026-03-09T21:00:00.000Z	36 \| good	4.835 \| good	21.368 \| good	39.476 \| good	0.557 \| good	3.419 \| good	0.192 \| good
2026-03-09T22:00:00.000Z	35 \| good	4.838 \| good	21.263 \| good	37.724 \| good	0.493 \| good	4.198 \| good	0.195 \| good
2026-03-09T23:00:00.000Z	35 \| good	4.673 \| good	20.042 \| good	38.116 \| good	0.43 \| good	4.976 \| good	0.197 \| good
2026-03-10T00:00:00.000Z	35 \| good	5.837 \| good	25.049 \| good	37.548 \| good	0.366 \| good	5.755 \| good	0.199 \| good
2026-03-10T01:00:00.000Z	38 \| good	6.584 \| good	29.038 \| good	36.148 \| good	0.386 \| good	5.559 \| good	0.196 \| good
2026-03-10T02:00:00.000Z	44 \| good	7.92 \| good	34.986 \| good	40.717 \| good	0.405 \| good	5.363 \| good	0.193 \| good
2026-03-10T03:00:00.000Z	38 \| good	7.079 \| good	31.114 \| good	36.735 \| good	0.425 \| good	5.167 \| good	0.19 \| good
2026-03-10T04:00:00.000Z	33 \| good	5.797 \| good	25.115 \| good	32.951 \| good	0.477 \| good	5.009 \| good	0.187 \| good
2026-03-10T05:00:00.000Z	38 \| good	6.729 \| good	30.012 \| good	29.495 \| good	0.529 \| good	4.852 \| good	0.184 \| good
2026-03-10T06:00:00.000Z	38 \| good	7.397 \| good	32.05 \| good	26.431 \| good	0.58 \| good	4.695 \| good	0.182 \| good
2026-03-10T07:00:00.000Z	44 \| good	7.683 \| good	33.992 \| good	15.201 \| good	0.628 \| good	4.348 \| good	0.178 \| good
2026-03-10T08:00:00.000Z	38 \| good	6.912 \| good	30.945 \| good	13.163 \| good	0.676 \| good	4.001 \| good	0.175 \| good
2026-03-10T09:00:00.000Z	33 \| good	5.671 \| good	24.051 \| good	15.207 \| good	0.724 \| good	3.654 \| good	0.171 \| good
2026-03-10T10:00:00.000Z	27 \| good	5.226 \| good	22.944 \| good	16.783 \| good	0.703 \| good	3.797 \| good	0.174 \| good
2026-03-10T11:00:00.000Z	27 \| good	5.43 \| good	23.102 \| good	13.007 \| good	0.683 \| good	3.941 \| good	0.177 \| good
2026-03-10T12:00:00.000Z	27 \| good	5.128 \| good	22.081 \| good	13.525 \| good	0.662 \| good	4.084 \| good	0.18 \| good
2026-03-10T13:00:00.000Z	33 \| good	6.343 \| good	28.156 \| good	18.215 \| good	0.652 \| good	3.738 \| good	0.184 \| good
2026-03-10T14:00:00.000Z	33 \| good	6.055 \| good	27.115 \| good	24.314 \| good	0.641 \| good	3.393 \| good	0.187 \| good
2026-03-10T15:00:00.000Z	31 \| good	4.865 \| good	21.031 \| good	34.336 \| good	0.63 \| good	3.048 \| good	0.19 \| good
2026-03-10T16:00:00.000Z	36 \| good	6.096 \| good	27.074 \| good	38.844 \| good	0.611 \| good	2.732 \| good	0.186 \| good
2026-03-10T17:00:00.000Z	38 \| good	5.554 \| good	24.103 \| good	40.893 \| good	0.591 \| good	2.417 \| good	0.182 \| good
2026-03-10T18:00:00.000Z	37 \| good	5.824 \| good	25.184 \| good	39.791 \| good	0.572 \| good	2.101 \| good	0.178 \| good
2026-03-10T19:00:00.000Z	38 \| good	5.893 \| good	25.194 \| good	40.993 \| good	0.584 \| good	2.397 \| good	0.178 \| good
2026-03-10T20:00:00.000Z	38 \| good	7.347 \| good	32.181 \| good	40.7 \| good	0.595 \| good	2.693 \| good	0.179 \| good
2026-03-10T21:00:00.000Z	44 \| good	8.139 \| good	36.11 \| good	42.473 \| good	0.607 \| good	2.989 \| good	0.179 \| good
2026-03-10T22:00:00.000Z	44 \| good	7.597 \| good	33.133 \| good	42.304 \| good	0.612 \| good	3.649 \| good	0.186 \| good
2026-03-10T23:00:00.000Z	38 \| good	7.13 \| good	31.993 \| good	41.419 \| good	0.618 \| good	4.309 \| good	0.194 \| good
2026-03-11T00:00:00.000Z	33 \| good	5.599 \| good	24.108 \| good	35.423 \| good	0.623 \| good	4.969 \| good	0.201 \| good
2026-03-11T01:00:00.000Z	33 \| good	5.912 \| good	26.977 \| good	33.442 \| good	0.637 \| good	4.799 \| good	0.199 \| good
2026-03-11T02:00:00.000Z	44 \| good	8.203 \| good	36.034 \| good	35.102 \| good	0.652 \| good	4.629 \| good	0.197 \| good
2026-03-11T03:00:00.000Z	49 \| good	8.666 \| good	37.996 \| good	31.46 \| good	0.666 \| good	4.459 \| good	0.195 \| good
2026-03-11T04:00:00.000Z	49 \| good	8.912 \| good	39.06 \| good	26.923 \| good	0.792 \| good	4.355 \| good	0.189 \| good
2026-03-11T05:00:00.000Z	52 \| moderate	9.566 \| good	42.948 \| good	22.006 \| good	0.918 \| good	4.252 \| good	0.183 \| good
2026-03-11T06:00:00.000Z	56 \| moderate	11.845 \| good	11.952 \| good	34.962 \| good	1.041 \| good	4.166 \| good	0.177 \| good
2026-03-11T07:00:00.000Z	52 \| moderate	9.685 \| good	43.044 \| good	20.47 \| good	1.079 \| good	3.74 \| good	0.168 \| good
2026-03-11T08:00:00.000Z	38 \| good	6.702 \| good	30 \| good	20.999 \| good	1.113 \| good	3.332 \| good	0.16 \| good
2026-03-11T09:00:00.000Z	33 \| good	6.482 \| good	28.981 \| good	16.904 \| good	1.147 \| good	2.924 \| good	0.151 \| good
2026-03-11T10:00:00.000Z	49 \| good	8.619 \| good	38.067 \| good	18.645 \| good	1.135 \| good	3.114 \| good	0.15 \| good
2026-03-11T11:00:00.000Z	38 \| good	6.633 \| good	30.049 \| good	18.604 \| good	1.122 \| good	3.304 \| good	0.149 \| good
2026-03-11T12:00:00.000Z	54 \| moderate	10.978 \| good	11.051 \| good	27.805 \| good	1.107 \| good	3.489 \| good	0.148 \| good
2026-03-11T13:00:00.000Z	54 \| moderate	10.759 \| good	10.819 \| good	27.892 \| good	1.058 \| good	3.266 \| good	0.149 \| good
2026-03-11T14:00:00.000Z	54 \| moderate	10.597 \| good	10.664 \| good	27.978 \| good	1.009 \| good	3.044 \| good	0.15 \| good
2026-03-11T15:00:00.000Z	52 \| moderate	10.389 \| good	10.457 \| good	28.065 \| good	0.96 \| good	2.822 \| good	0.15 \| good
2026-03-11T16:00:00.000Z	52 \| moderate	10.33 \| good	10.393 \| good	30.218 \| good	0.866 \| good	2.776 \| good	0.149 \| good
2026-03-11T17:00:00.000Z	33 \| good	6.144 \| good	27.044 \| good	29.226 \| good	0.779 \| good	2.729 \| good	0.148 \| good
2026-03-11T18:00:00.000Z	52 \| moderate	10.313 \| good	10.376 \| good	34.524 \| good	0.676 \| good	2.685 \| good	0.147 \| good
2026-03-11T19:00:00.000Z	52 \| moderate	10.385 \| good	10.458 \| good	35.463 \| good	0.681 \| good	2.773 \| good	0.147 \| good
2026-03-11T20:00:00.000Z	52 \| moderate	10.424 \| good	10.504 \| good	36.403 \| good	0.685 \| good	2.86 \| good	0.147 \| good

California

Get reliable air quality data to drive your business

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

0.14ppm

How accurate is Maryland, USA air quality data?

Air quality and pollutant data for Maryland, 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

Air quality levels in US

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

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Frequently asked questions

How often is air quality information updated for California, Maryland?

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

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

In the past 24 hours, the air quality in California, Maryland was at its worst at 05:00:00 on 2026-03-09.

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

In the last 24 hours, the best air quality in California, Maryland was observed at 07:00:00 on 2026-03-09.

What is the AQI in California, Maryland right now?

As of now, the AQI in California, Maryland is 40, indicating Good conditions.

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

California, Maryland air has the highest levels of O3.

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

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

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

PM_2.5 levels in California, Maryland are currently 6.069 μg/m³.

What is the PM₁₀ level in California, Maryland at the moment?

The PM₁₀ concentration in California, Maryland is 9.764 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in California, Maryland is 0.145 ppm.

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

Currently, California, Maryland has a sulfur dioxide (SO₂) concentration of 0.493 ppb.

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

The current ozone (O₃) level in California, Maryland at the moment is 43.102 ppm.

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

Nitrogen dioxide (NO₂) level in California, Maryland at the moment is 3.994 ppb.

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