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

The PM10 concentration in California, Maryland is 18.642 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 0.287 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 41.463 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 3.597 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 4.127 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)

4.13 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

18.64 μg/m³

155

255

425

605+

Ozone (O₃)

41.46 ppb

201

201+

Sulfur Dioxide (SO₂)

0.29 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.60 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.22 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
2026-03-14T01:00:00.000Z	38 \| good	2.431 \| good	9.675 \| good	41.133 \| good	0.273 \| good	1.809 \| good	0.177 \| good
2026-03-14T02:00:00.000Z	37 \| good	3.479 \| good	15.171 \| good	40.339 \| good	0.273 \| good	1.658 \| good	0.177 \| good
2026-03-14T03:00:00.000Z	38 \| good	3.647 \| good	16.83 \| good	41.012 \| good	0.318 \| good	1.713 \| good	0.159 \| good
2026-03-14T04:00:00.000Z	37 \| good	2.939 \| good	12.128 \| good	39.98 \| good	0.36 \| good	1.587 \| good	0.177 \| good
2026-03-14T05:00:00.000Z	37 \| good	3.735 \| good	18.331 \| good	39.577 \| good	0.377 \| good	1.718 \| good	0.177 \| good
2026-03-14T06:00:00.000Z	37 \| good	4.405 \| good	18.66 \| good	39.934 \| good	0.39 \| good	1.852 \| good	0.159 \| good
2026-03-14T07:00:00.000Z	37 \| good	4.205 \| good	20.712 \| good	40.481 \| good	0.401 \| good	2.035 \| good	0.181 \| good
2026-03-14T08:00:00.000Z	37 \| good	6.25 \| good	29.811 \| good	39.719 \| good	0.296 \| good	4.14 \| good	0.185 \| good
2026-03-14T09:00:00.000Z	37 \| good	5.303 \| good	15.275 \| good	39.584 \| good	0.31 \| good	12.077 \| good	0.181 \| good
2026-03-14T10:00:00.000Z	38 \| good	7.366 \| good	15.587 \| good	34.573 \| good	0.302 \| good	5.919 \| good	0.185 \| good
2026-03-14T11:00:00.000Z	37 \| good	1.708 \| good	12.937 \| good	39.61 \| good	0.248 \| good	5.788 \| good	0.163 \| good
2026-03-14T12:00:00.000Z	37 \| good	4.597 \| good	18.527 \| good	39.657 \| good	0.319 \| good	4.717 \| good	0.142 \| good
2026-03-14T13:00:00.000Z	34 \| good	5.351 \| good	16.35 \| good	37.388 \| good	0.322 \| good	6.572 \| good	0.142 \| good
2026-03-14T14:00:00.000Z	36 \| good	4.569 \| good	14.645 \| good	38.798 \| good	0.3 \| good	5.735 \| good	0.122 \| good
2026-03-14T15:00:00.000Z	38 \| good	2.61 \| good	12.56 \| good	41.182 \| good	0.372 \| good	3.191 \| good	0.142 \| good
2026-03-14T16:00:00.000Z	38 \| good	2.563 \| good	8.354 \| good	41.334 \| good	0.321 \| good	2.379 \| good	0.12 \| good
2026-03-14T17:00:00.000Z	39 \| good	1.805 \| good	6.35 \| good	42.322 \| good	0.282 \| good	1.941 \| good	0.12 \| good
2026-03-14T18:00:00.000Z	41 \| good	1.74 \| good	5.634 \| good	44.141 \| good	0.321 \| good	1.768 \| good	0.12 \| good
2026-03-14T19:00:00.000Z	41 \| good	1.497 \| good	5.652 \| good	44.493 \| good	0.267 \| good	1.681 \| good	0.12 \| good
2026-03-14T20:00:00.000Z	44 \| good	1.944 \| good	9.155 \| good	47.907 \| good	0.413 \| good	1.578 \| good	0.12 \| good
2026-03-14T21:00:00.000Z	45 \| good	2.13 \| good	7.107 \| good	49.031 \| good	0.367 \| good	1.673 \| good	0.142 \| good
2026-03-14T22:00:00.000Z	43 \| good	1.743 \| good	5.896 \| good	46.195 \| good	0.261 \| good	1.922 \| good	0.142 \| good
2026-03-14T23:00:00.000Z	44 \| good	1.788 \| good	7.944 \| good	46.959 \| good	0.382 \| good	3.043 \| good	0.142 \| good
2026-03-15T00:00:00.000Z	39 \| good	2.49 \| good	8.685 \| good	41.826 \| good	0.358 \| good	2.971 \| good	0.159 \| good
2026-03-15T01:00:00.000Z	40 \| good	3.55 \| good	18.192 \| good	43.412 \| good	0.335 \| good	6.186 \| good	0.2 \| good
2026-03-15T02:00:00.000Z	36 \| good	4.014 \| good	17.676 \| good	38.767 \| good	0.353 \| good	3.205 \| good	0.202 \| good
2026-03-15T03:00:00.000Z	34 \| good	4.939 \| good	18.757 \| good	36.818 \| good	0.37 \| good	5.094 \| good	0.35 \| good
2026-03-15T04:00:00.000Z	31 \| good	3.853 \| good	13.69 \| good	33.38 \| good	0.223 \| good	3.792 \| good	0.35 \| good
2026-03-15T05:00:00.000Z	36 \| good	4.873 \| good	24.273 \| good	38.76 \| good	0.349 \| good	4.263 \| good	0.393 \| good
2026-03-15T06:00:00.000Z	31 \| good	5.346 \| good	20.813 \| good	33.966 \| good	0.388 \| good	3.875 \| good	0.531 \| good
2026-03-15T07:00:00.000Z	28 \| good	4.615 \| good	24.39 \| good	30.445 \| good	0.35 \| good	3.828 \| good	0.452 \| good
2026-03-15T08:00:00.000Z	38 \| good	7.397 \| good	15.03 \| good	32.314 \| good	0.192 \| good	3.093 \| good	0.388 \| good
2026-03-15T09:00:00.000Z	31 \| good	4.836 \| good	13.035 \| good	34.009 \| good	0.315 \| good	3.201 \| good	0.325 \| good
2026-03-15T10:00:00.000Z	32 \| good	4.023 \| good	15.55 \| good	34.647 \| good	0.283 \| good	4.638 \| good	0.282 \| good
2026-03-15T11:00:00.000Z	32 \| good	3.918 \| good	13.958 \| good	34.59 \| good	0.394 \| good	2.951 \| good	0.262 \| good
2026-03-15T12:00:00.000Z	30 \| good	3.682 \| good	15.949 \| good	31.749 \| good	0.359 \| good	3.557 \| good	0.242 \| good
2026-03-15T13:00:00.000Z	31 \| good	3.966 \| good	15.986 \| good	34.494 \| good	0.338 \| good	2.747 \| good	0.222 \| good
2026-03-15T14:00:00.000Z	34 \| good	2.533 \| good	7.98 \| good	37.272 \| good	0.375 \| good	2.527 \| good	0.181 \| good
2026-03-15T15:00:00.000Z	37 \| good	2.023 \| good	9.998 \| good	39.983 \| good	0.431 \| good	1.953 \| good	0.181 \| good
2026-03-15T16:00:00.000Z	37 \| good	2.624 \| good	12.941 \| good	39.551 \| good	0.356 \| good	0.967 \| good	0.181 \| good
2026-03-15T17:00:00.000Z	39 \| good	3.026 \| good	17.357 \| good	41.691 \| good	0.357 \| good	2.857 \| good	0.159 \| good
2026-03-15T18:00:00.000Z	39 \| good	2.776 \| good	10.435 \| good	41.919 \| good	0.391 \| good	2.996 \| good	0.159 \| good
2026-03-15T19:00:00.000Z	40 \| good	3.033 \| good	18.058 \| good	43.069 \| good	0.399 \| good	2.848 \| good	0.159 \| good
2026-03-15T20:00:00.000Z	41 \| good	3.034 \| good	14.007 \| good	43.912 \| good	0.337 \| good	4.259 \| good	0.181 \| good
2026-03-15T21:00:00.000Z	41 \| good	3.589 \| good	13.91 \| good	43.998 \| good	0.401 \| good	3.729 \| good	0.181 \| good
2026-03-15T22:00:00.000Z	41 \| good	3.14 \| good	16.329 \| good	43.805 \| good	0.274 \| good	4.375 \| good	0.202 \| good
2026-03-15T23:00:00.000Z	40 \| good	4.814 \| good	17.828 \| good	43.235 \| good	0.285 \| good	1.517 \| good	0.181 \| good
2026-03-16T00:00:00.000Z	38 \| good	4.127 \| good	18.642 \| good	41.463 \| good	0.287 \| good	3.597 \| good	0.222 \| good
2026-03-16T00:00:00.000Z	38 \| good	4.127 \| good	18.642 \| good	41.463 \| good	0.287 \| good	3.597 \| good	0.222 \| good
2026-03-16T01:00:00.000Z	38 \| good	5.628 \| good	24.082 \| good	41.323 \| good	0.201 \| good	0.869 \| good	0.126 \| good
2026-03-16T02:00:00.000Z	39 \| good	7.31 \| good	32.067 \| good	42.07 \| good	0.189 \| good	0.798 \| good	0.126 \| good
2026-03-16T03:00:00.000Z	44 \| good	8.067 \| good	35.083 \| good	42.22 \| good	0.178 \| good	0.727 \| good	0.125 \| good
2026-03-16T04:00:00.000Z	44 \| good	8.256 \| good	36.067 \| good	40.953 \| good	0.156 \| good	0.697 \| good	0.122 \| good
2026-03-16T05:00:00.000Z	38 \| good	7.459 \| good	33.011 \| good	38.756 \| good	0.133 \| good	0.666 \| good	0.12 \| good
2026-03-16T06:00:00.000Z	38 \| good	7.461 \| good	33.03 \| good	36.732 \| good	0.111 \| good	0.635 \| good	0.118 \| good
2026-03-16T07:00:00.000Z	33 \| good	6.103 \| good	27.082 \| good	33.149 \| good	0.127 \| good	0.847 \| good	0.114 \| good
2026-03-16T08:00:00.000Z	29 \| good	4.82 \| good	21.011 \| good	31.058 \| good	0.143 \| good	1.059 \| good	0.111 \| good
2026-03-16T09:00:00.000Z	28 \| good	4.636 \| good	20.048 \| good	30.082 \| good	0.159 \| good	1.271 \| good	0.108 \| good
2026-03-16T10:00:00.000Z	26 \| good	3.67 \| good	16.033 \| good	28.189 \| good	0.165 \| good	1.282 \| good	0.106 \| good
2026-03-16T11:00:00.000Z	24 \| good	3.831 \| good	17.004 \| good	25.943 \| good	0.171 \| good	1.292 \| good	0.105 \| good
2026-03-16T12:00:00.000Z	22 \| good	4.009 \| good	17.983 \| good	23.663 \| good	0.177 \| good	1.303 \| good	0.104 \| good
2026-03-16T13:00:00.000Z	24 \| good	2.401 \| good	10.011 \| good	25.784 \| good	0.179 \| good	1.415 \| good	0.106 \| good
2026-03-16T14:00:00.000Z	22 \| good	3.533 \| good	15.952 \| good	23.195 \| good	0.181 \| good	1.527 \| good	0.108 \| good
2026-03-16T15:00:00.000Z	23 \| good	3.191 \| good	14.025 \| good	25.098 \| good	0.183 \| good	1.639 \| good	0.11 \| good
2026-03-16T16:00:00.000Z	28 \| good	3.885 \| good	17.049 \| good	29.614 \| good	0.195 \| good	1.37 \| good	0.11 \| good
2026-03-16T17:00:00.000Z	30 \| good	3.494 \| good	15.088 \| good	32.18 \| good	0.206 \| good	1.1 \| good	0.109 \| good
2026-03-16T18:00:00.000Z	31 \| good	2.309 \| good	9.135 \| good	33.899 \| good	0.217 \| good	0.831 \| good	0.109 \| good
2026-03-16T19:00:00.000Z	31 \| good	2.321 \| good	10.024 \| good	33.42 \| good	0.2 \| good	0.884 \| good	0.109 \| good
2026-03-16T20:00:00.000Z	30 \| good	2.028 \| good	8.092 \| good	31.908 \| good	0.183 \| good	0.936 \| good	0.109 \| good
2026-03-16T21:00:00.000Z	28 \| good	2.066 \| good	8.115 \| good	30.331 \| good	0.166 \| good	0.989 \| good	0.109 \| good
2026-03-16T22:00:00.000Z	31 \| good	2.914 \| good	12.059 \| good	32.763 \| good	0.193 \| good	1.257 \| good	0.11 \| good
2026-03-16T23:00:00.000Z	40 \| good	3.696 \| good	16.05 \| good	42.692 \| good	0.22 \| good	1.526 \| good	0.111 \| good
2026-03-17T00:00:00.000Z	32 \| good	3.969 \| good	17.085 \| good	35.219 \| good	0.246 \| good	1.794 \| good	0.112 \| good
2026-03-17T01:00:00.000Z	33 \| good	3.676 \| good	16.123 \| good	36.343 \| good	0.511 \| good	1.874 \| good	0.123 \| good
2026-03-17T02:00:00.000Z	30 \| good	3.642 \| good	16.017 \| good	31.942 \| good	0.775 \| good	1.954 \| good	0.133 \| good
2026-03-17T03:00:00.000Z	28 \| good	2.321 \| good	9.988 \| good	30.257 \| good	1.04 \| good	2.034 \| good	0.144 \| good
2026-03-17T04:00:00.000Z	26 \| good	1.688 \| good	7.009 \| good	27.564 \| good	1.149 \| good	1.851 \| good	0.149 \| good
2026-03-17T05:00:00.000Z	25 \| good	2.093 \| good	8.067 \| good	26.765 \| good	1.258 \| good	1.668 \| good	0.154 \| good
2026-03-17T06:00:00.000Z	38 \| good	1.493 \| good	1.537 \| good	40.551 \| good	1.374 \| good	1.49 \| good	0.159 \| good
2026-03-17T07:00:00.000Z	25 \| good	3.508 \| good	15.956 \| good	27.076 \| good	1.427 \| good	1.399 \| good	0.161 \| good
2026-03-17T08:00:00.000Z	25 \| good	4.085 \| good	18.024 \| good	26.6 \| good	1.488 \| good	1.313 \| good	0.163 \| good
2026-03-17T09:00:00.000Z	25 \| good	4.396 \| good	19.024 \| good	27.372 \| good	1.549 \| good	1.227 \| good	0.164 \| good
2026-03-17T10:00:00.000Z	23 \| good	3.454 \| good	15.059 \| good	25.011 \| good	1.411 \| good	1.335 \| good	0.166 \| good
2026-03-17T11:00:00.000Z	22 \| good	3.103 \| good	13.918 \| good	23.547 \| good	1.272 \| good	1.444 \| good	0.168 \| good
2026-03-17T12:00:00.000Z	35 \| good	2.52 \| good	2.629 \| good	38.191 \| good	1.133 \| good	1.551 \| good	0.17 \| good
2026-03-17T13:00:00.000Z	36 \| good	2.634 \| good	2.776 \| good	39.463 \| good	1.081 \| good	1.398 \| good	0.168 \| good
2026-03-17T14:00:00.000Z	38 \| good	2.751 \| good	2.906 \| good	40.734 \| good	1.029 \| good	1.244 \| good	0.167 \| good
2026-03-17T15:00:00.000Z	39 \| good	2.921 \| good	3.096 \| good	42.005 \| good	0.977 \| good	1.09 \| good	0.166 \| good
2026-03-17T16:00:00.000Z	37 \| good	2.395 \| good	9.956 \| good	39.887 \| good	0.968 \| good	0.981 \| good	0.161 \| good
2026-03-17T17:00:00.000Z	40 \| good	1.684 \| good	6.988 \| good	43.472 \| good	0.961 \| good	0.876 \| good	0.157 \| good
2026-03-17T18:00:00.000Z	44 \| good	3.228 \| good	3.636 \| good	46.808 \| good	0.955 \| good	0.774 \| good	0.152 \| good
2026-03-17T19:00:00.000Z	44 \| good	3.328 \| good	3.823 \| good	48.084 \| good	0.921 \| good	0.752 \| good	0.146 \| good
2026-03-17T20:00:00.000Z	45 \| good	3.23 \| good	3.817 \| good	49.36 \| good	0.887 \| good	0.731 \| good	0.14 \| good
2026-03-17T21:00:00.000Z	47 \| good	3.324 \| good	4.138 \| good	50.636 \| good	0.852 \| good	0.71 \| good	0.134 \| good
2026-03-17T22:00:00.000Z	46 \| good	3.413 \| good	4.262 \| good	49.631 \| good	0.981 \| good	1.028 \| good	0.137 \| good
2026-03-17T23:00:00.000Z	45 \| good	3.693 \| good	4.401 \| good	48.625 \| good	1.109 \| good	1.346 \| good	0.139 \| good
2026-03-18T00:00:00.000Z	44 \| good	4.229 \| good	4.807 \| good	47.619 \| good	1.237 \| good	1.665 \| good	0.141 \| good

California

Get reliable air quality data to drive your business

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

0.19ppm

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 10:00:00 on 2026-03-15.

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 2026-03-15.

What is the AQI in California, Maryland right now?

As of now, the AQI in California, Maryland is 38, 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 4.127 μg/m³.

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

The PM₁₀ concentration in California, Maryland is 18.642 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 0.222 ppm.

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

Currently, California, Maryland has a sulfur dioxide (SO₂) concentration of 0.287 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 41.463 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 3.597 ppb.

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