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

The PM10 concentration in Baltimore, Maryland is 23.52 μg/m3 at the moment.

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

Currently, Baltimore, Maryland has a sulfur dioxide (SO2) concentration of 0.295 ppb.

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

The current ozone (O3) level in Baltimore, Maryland at the moment is 44.046 ppm.

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

Nitrogen dioxide (NO2) level in Baltimore, Maryland at the moment is 4.572 ppb.

Live air quality index in Baltimore, Maryland today

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

PM2.5 levels in Baltimore, Maryland are currently 6.136 μg/m3.

Stay updated with real-time air quality in Baltimore, 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

Baltimore, Maryland

Last updated: ... (Local time)

Major air pollutants in Baltimore, Maryland

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

6.14 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)

44.05 ppb

201

201+

Sulfur Dioxide (SO₂)

0.29 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.57 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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Baltimore, Maryland

Scroll To Air Quality Map

Track live Baltimore, Maryland air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-07T21:00:00.000Z	38 \| good	7.095 \| good	22.66 \| good	20.365 \| good	0.244 \| good	7.534 \| good	0.263 \| good
2026-03-07T22:00:00.000Z	38 \| good	7.038 \| good	28.081 \| good	20.349 \| good	0.254 \| good	8.786 \| good	0.208 \| good
2026-03-07T23:00:00.000Z	44 \| good	8.04 \| good	30.387 \| good	24.107 \| good	0.341 \| good	9.635 \| good	0.239 \| good
2026-03-08T00:00:00.000Z	49 \| good	8.619 \| good	38.592 \| good	10.71 \| good	0.29 \| good	14.476 \| good	0.295 \| good
2026-03-08T01:00:00.000Z	49 \| good	9.176 \| good	48.378 \| good	4.826 \| good	0.258 \| good	18.1 \| good	0.372 \| good
2026-03-08T02:00:00.000Z	58 \| moderate	13.287 \| fine	64.721 \| fine	4.625 \| good	0.227 \| good	16.319 \| good	0.401 \| good
2026-03-08T03:00:00.000Z	52 \| moderate	9.701 \| good	42.734 \| good	17.322 \| good	1.378 \| good	7.034 \| good	0.142 \| good
2026-03-08T04:00:00.000Z	49 \| good	8.717 \| good	45.146 \| good	4.654 \| good	0.264 \| good	11.035 \| good	0.357 \| good
2026-03-08T05:00:00.000Z	52 \| moderate	10.278 \| good	49.736 \| good	4.328 \| good	0.297 \| good	14.788 \| good	0.395 \| good
2026-03-08T06:00:00.000Z	62 \| moderate	12.235 \| fine	77.935 \| fine	4.167 \| good	0.246 \| good	16.439 \| good	0.486 \| good
2026-03-08T07:00:00.000Z	56 \| moderate	12.477 \| fine	35.871 \| good	4.103 \| good	0.258 \| good	16.602 \| good	0.517 \| good
2026-03-08T08:00:00.000Z	56 \| moderate	11.891 \| good	49.37 \| good	4.08 \| good	0.293 \| good	17.09 \| good	0.455 \| good
2026-03-08T09:00:00.000Z	56 \| moderate	12.422 \| fine	50.726 \| good	4.1 \| good	0.342 \| good	17.223 \| good	0.382 \| good
2026-03-08T10:00:00.000Z	58 \| moderate	13.005 \| fine	57.361 \| fine	4.1 \| good	0.39 \| good	15.554 \| good	0.344 \| good
2026-03-08T11:00:00.000Z	64 \| moderate	12.43 \| fine	81.366 \| fine	4.064 \| good	0.457 \| good	11.495 \| good	0.31 \| good
2026-03-08T12:00:00.000Z	71 \| moderate	13.551 \| fine	96.148 \| fine	4.173 \| good	0.561 \| good	10.263 \| good	0.288 \| good
2026-03-08T13:00:00.000Z	54 \| moderate	11.228 \| good	56.789 \| fine	4.158 \| good	0.576 \| good	13.488 \| good	0.288 \| good
2026-03-08T14:00:00.000Z	58 \| moderate	13.459 \| fine	69.701 \| fine	4.297 \| good	0.636 \| good	12.933 \| good	0.294 \| good
2026-03-08T15:00:00.000Z	54 \| moderate	10.558 \| good	35.182 \| good	4.222 \| good	0.649 \| good	14.601 \| good	0.379 \| good
2026-03-08T16:00:00.000Z	49 \| good	9.151 \| good	30.382 \| good	17.572 \| good	0.54 \| good	15.617 \| good	0.269 \| good
2026-03-08T17:00:00.000Z	49 \| good	9.194 \| good	34.371 \| good	33.275 \| good	0.572 \| good	10.614 \| good	0.207 \| good
2026-03-08T18:00:00.000Z	38 \| good	7.34 \| good	25.265 \| good	34.895 \| good	0.373 \| good	3.088 \| good	0.165 \| good
2026-03-08T19:00:00.000Z	32 \| good	4.874 \| good	14.369 \| good	35.039 \| good	0.36 \| good	2.594 \| good	0.165 \| good
2026-03-08T20:00:00.000Z	33 \| good	3.888 \| good	17.627 \| good	35.936 \| good	0.296 \| good	2.237 \| good	0.143 \| good
2026-03-08T21:00:00.000Z	36 \| good	3.381 \| good	7.23 \| good	38.951 \| good	0.225 \| good	1.976 \| good	0.143 \| good
2026-03-08T22:00:00.000Z	37 \| good	3.143 \| good	21.578 \| good	39.942 \| good	0.266 \| good	2.762 \| good	0.148 \| good
2026-03-08T23:00:00.000Z	36 \| good	3.944 \| good	18.593 \| good	38.95 \| good	0.261 \| good	2.962 \| good	0.148 \| good
2026-03-09T00:00:00.000Z	30 \| good	2.044 \| good	9.634 \| good	32.023 \| good	0.334 \| good	3.936 \| good	0.138 \| good
2026-03-09T01:00:00.000Z	33 \| good	5.934 \| good	16.022 \| good	30.824 \| good	0.401 \| good	9.02 \| good	0.185 \| good
2026-03-09T02:00:00.000Z	38 \| good	6.888 \| good	19.98 \| good	27.096 \| good	0.368 \| good	9.378 \| good	0.187 \| good
2026-03-09T03:00:00.000Z	44 \| good	8.39 \| good	36.918 \| good	13.408 \| good	2.528 \| good	23.318 \| good	0.341 \| good
2026-03-09T04:00:00.000Z	22 \| good	3.969 \| good	16.358 \| good	24.164 \| good	0.282 \| good	10.535 \| good	0.268 \| good
2026-03-09T05:00:00.000Z	48 \| good	4.536 \| good	51.685 \| good	18.476 \| good	0.283 \| good	8.749 \| good	0.33 \| good
2026-03-09T06:00:00.000Z	27 \| good	5.018 \| good	21.184 \| good	17.336 \| good	0.278 \| good	9.591 \| good	0.36 \| good
2026-03-09T07:00:00.000Z	26 \| good	4.12 \| good	27.612 \| good	17.309 \| good	0.289 \| good	11.566 \| good	0.358 \| good
2026-03-09T08:00:00.000Z	42 \| good	4.143 \| good	45.1 \| good	6.291 \| good	0.346 \| good	17.007 \| good	0.367 \| good
2026-03-09T09:00:00.000Z	33 \| good	5.733 \| good	20.299 \| good	6.212 \| good	0.314 \| good	18.957 \| good	0.367 \| good
2026-03-09T10:00:00.000Z	33 \| good	6.177 \| good	24.509 \| good	4.098 \| good	0.382 \| good	20.059 \| good	0.392 \| good
2026-03-09T11:00:00.000Z	38 \| good	6.969 \| good	15.173 \| good	4.063 \| good	0.564 \| good	26.452 \| good	0.408 \| good
2026-03-09T12:00:00.000Z	49 \| good	9.438 \| good	38.415 \| good	4.021 \| good	0.869 \| good	29.265 \| good	0.563 \| good
2026-03-09T13:00:00.000Z	33 \| good	5.563 \| good	19.022 \| good	4.102 \| good	0.871 \| good	23.116 \| good	0.637 \| good
2026-03-09T14:00:00.000Z	38 \| good	7.193 \| good	28.015 \| good	5.536 \| good	1.044 \| good	23.545 \| good	0.715 \| good
2026-03-09T15:00:00.000Z	44 \| good	8.466 \| good	28.789 \| good	20.984 \| good	1.052 \| good	29.245 \| good	0.588 \| good
2026-03-09T16:00:00.000Z	54 \| moderate	11.271 \| good	34.088 \| good	34.419 \| good	0.559 \| good	21.305 \| good	0.457 \| good
2026-03-09T17:00:00.000Z	52 \| moderate	9.918 \| good	16.856 \| good	40.453 \| good	0.429 \| good	11.341 \| good	0.298 \| good
2026-03-09T18:00:00.000Z	39 \| good	3.315 \| good	13.804 \| good	41.716 \| good	0.299 \| good	7.444 \| good	0.161 \| good
2026-03-09T19:00:00.000Z	52 \| moderate	10.088 \| good	36.931 \| good	45.729 \| good	0.296 \| good	5.188 \| good	0.176 \| good
2026-03-09T20:00:00.000Z	43 \| good	3.742 \| good	15.779 \| good	45.833 \| good	0.253 \| good	4.245 \| good	0.187 \| good
2026-03-09T20:00:00.000Z	41 \| good	6.136 \| good	23.52 \| good	44.046 \| good	0.295 \| good	4.572 \| good	0.181 \| good
2026-03-09T21:00:00.000Z	41 \| good	6.717 \| good	29.924 \| good	44.188 \| good	2.868 \| good	6.499 \| good	0.21 \| good
2026-03-09T22:00:00.000Z	36 \| good	5.116 \| good	22.448 \| good	38.799 \| good	2.568 \| good	12.392 \| good	0.246 \| good
2026-03-09T23:00:00.000Z	33 \| good	6.485 \| good	28.754 \| good	25.564 \| good	2.267 \| good	18.284 \| good	0.281 \| good
2026-03-10T00:00:00.000Z	38 \| good	7.387 \| good	32.543 \| good	15.633 \| good	1.967 \| good	24.177 \| good	0.317 \| good
2026-03-10T01:00:00.000Z	38 \| good	7.416 \| good	32.688 \| good	9.891 \| good	1.807 \| good	22.854 \| good	0.307 \| good
2026-03-10T02:00:00.000Z	52 \| moderate	9.961 \| good	44.46 \| good	16.803 \| good	1.648 \| good	21.531 \| good	0.297 \| good
2026-03-10T03:00:00.000Z	49 \| good	8.587 \| good	37.589 \| good	19.442 \| good	1.489 \| good	20.207 \| good	0.287 \| good
2026-03-10T04:00:00.000Z	49 \| good	9.05 \| good	40.479 \| good	18.72 \| good	1.428 \| good	19.179 \| good	0.277 \| good
2026-03-10T05:00:00.000Z	49 \| good	9.475 \| good	42.32 \| good	16.339 \| good	1.368 \| good	18.151 \| good	0.268 \| good
2026-03-10T06:00:00.000Z	52 \| moderate	10.372 \| good	46.055 \| good	13.143 \| good	1.308 \| good	17.123 \| good	0.259 \| good
2026-03-10T07:00:00.000Z	56 \| moderate	11.781 \| good	51.96 \| good	6.092 \| good	1.368 \| good	17.448 \| good	0.258 \| good
2026-03-10T08:00:00.000Z	54 \| moderate	10.583 \| good	46.743 \| good	6.596 \| good	1.427 \| good	17.774 \| good	0.257 \| good
2026-03-10T09:00:00.000Z	49 \| good	9.096 \| good	40.255 \| good	6.434 \| good	1.487 \| good	18.099 \| good	0.256 \| good
2026-03-10T10:00:00.000Z	49 \| good	8.647 \| good	38.043 \| good	6.019 \| good	1.6 \| good	18.581 \| good	0.285 \| good
2026-03-10T11:00:00.000Z	58 \| moderate	12.766 \| fine	57.615 \| fine	3.654 \| good	1.712 \| good	19.063 \| good	0.314 \| good
2026-03-10T12:00:00.000Z	58 \| moderate	12.792 \| fine	57.794 \| fine	4.769 \| good	1.825 \| good	19.544 \| good	0.343 \| good
2026-03-10T13:00:00.000Z	54 \| moderate	11.012 \| good	49.029 \| good	11.266 \| good	1.973 \| good	17.752 \| good	0.336 \| good
2026-03-10T14:00:00.000Z	49 \| good	8.675 \| good	38.174 \| good	18.335 \| good	2.122 \| good	15.96 \| good	0.328 \| good
2026-03-10T15:00:00.000Z	44 \| good	8.14 \| good	36.036 \| good	31.642 \| good	2.27 \| good	14.169 \| good	0.321 \| good
2026-03-10T16:00:00.000Z	38 \| good	7.371 \| good	32.37 \| good	40.331 \| good	2.204 \| good	12.171 \| good	0.293 \| good
2026-03-10T17:00:00.000Z	42 \| good	6.693 \| good	29.423 \| good	45.238 \| good	2.138 \| good	10.173 \| good	0.265 \| good
2026-03-10T18:00:00.000Z	40 \| good	6.591 \| good	28.7 \| good	42.565 \| good	2.072 \| good	8.175 \| good	0.237 \| good
2026-03-10T19:00:00.000Z	44 \| good	7.847 \| good	34.461 \| good	43.671 \| good	1.854 \| good	8.099 \| good	0.234 \| good
2026-03-10T20:00:00.000Z	41 \| good	7.273 \| good	32.003 \| good	44.257 \| good	1.636 \| good	8.024 \| good	0.23 \| good
2026-03-10T21:00:00.000Z	44 \| good	7.571 \| good	33.51 \| good	42.936 \| good	1.418 \| good	7.949 \| good	0.226 \| good
2026-03-10T22:00:00.000Z	35 \| good	5.619 \| good	24.486 \| good	37.721 \| good	1.39 \| good	10.982 \| good	0.242 \| good
2026-03-10T23:00:00.000Z	38 \| good	7.345 \| good	32.456 \| good	27.226 \| good	1.362 \| good	14.016 \| good	0.257 \| good
2026-03-11T00:00:00.000Z	38 \| good	6.924 \| good	30.708 \| good	17.682 \| good	1.334 \| good	17.05 \| good	0.273 \| good
2026-03-11T01:00:00.000Z	33 \| good	6.268 \| good	27.622 \| good	19.907 \| good	1.374 \| good	15.885 \| good	0.264 \| good
2026-03-11T02:00:00.000Z	58 \| moderate	12.771 \| fine	57.638 \| fine	23.888 \| good	1.414 \| good	14.72 \| good	0.256 \| good
2026-03-11T03:00:00.000Z	54 \| moderate	10.652 \| good	47.288 \| good	23.868 \| good	1.455 \| good	13.555 \| good	0.247 \| good
2026-03-11T04:00:00.000Z	52 \| moderate	10.3 \| good	45.498 \| good	22.025 \| good	1.414 \| good	12.681 \| good	0.236 \| good
2026-03-11T05:00:00.000Z	49 \| good	9.437 \| good	42.134 \| good	19.227 \| good	1.372 \| good	11.807 \| good	0.225 \| good
2026-03-11T06:00:00.000Z	64 \| moderate	15.857 \| fine	15.983 \| good	24.292 \| good	1.36 \| good	11.213 \| good	0.215 \| good
2026-03-11T07:00:00.000Z	52 \| moderate	9.542 \| good	42.386 \| good	15.117 \| good	1.415 \| good	10.149 \| good	0.203 \| good
2026-03-11T08:00:00.000Z	54 \| moderate	11.388 \| good	50.316 \| good	8.325 \| good	1.498 \| good	9.365 \| good	0.192 \| good
2026-03-11T09:00:00.000Z	54 \| moderate	10.887 \| good	48.183 \| good	7.02 \| good	1.582 \| good	8.582 \| good	0.181 \| good
2026-03-11T10:00:00.000Z	44 \| good	7.858 \| good	34.117 \| good	9.945 \| good	1.699 \| good	9.967 \| good	0.187 \| good
2026-03-11T11:00:00.000Z	44 \| good	8.279 \| good	36.487 \| good	8.482 \| good	1.816 \| good	11.352 \| good	0.194 \| good
2026-03-11T12:00:00.000Z	60 \| moderate	14.391 \| fine	14.48 \| good	17.491 \| good	1.954 \| good	13.015 \| good	0.201 \| good
2026-03-11T13:00:00.000Z	62 \| moderate	15.171 \| fine	15.24 \| good	19.511 \| good	2.028 \| good	11.518 \| good	0.206 \| good
2026-03-11T14:00:00.000Z	60 \| moderate	14.367 \| fine	14.434 \| good	21.531 \| good	2.102 \| good	10.021 \| good	0.211 \| good
2026-03-11T15:00:00.000Z	58 \| moderate	13.252 \| fine	13.322 \| good	23.551 \| good	2.176 \| good	8.524 \| good	0.216 \| good
2026-03-11T16:00:00.000Z	58 \| moderate	12.788 \| fine	12.859 \| good	26.714 \| good	1.977 \| good	7.491 \| good	0.203 \| good
2026-03-11T17:00:00.000Z	27 \| good	4.571 \| good	19.745 \| good	24.007 \| good	1.738 \| good	6.356 \| good	0.19 \| good
2026-03-11T18:00:00.000Z	54 \| moderate	11.444 \| good	11.536 \| good	33.041 \| good	1.579 \| good	5.424 \| good	0.178 \| good
2026-03-11T19:00:00.000Z	54 \| moderate	11.021 \| good	11.147 \| good	33.726 \| good	1.373 \| good	5.383 \| good	0.173 \| good
2026-03-11T20:00:00.000Z	52 \| moderate	10.399 \| good	10.528 \| good	34.411 \| good	1.167 \| good	5.341 \| good	0.167 \| good

Baltimore

Get reliable air quality data to drive your business

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

0.18ppm

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

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Frequently asked questions

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

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

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

In the past 24 hours, the air quality in Baltimore, Maryland was at its worst at 04:00:00 on 2026-03-09.

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

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

What is the AQI in Baltimore, Maryland right now?

As of now, the AQI in Baltimore, Maryland is 41, indicating Good conditions.

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

Baltimore, Maryland air has the highest levels of O3.

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

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

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

PM_2.5 levels in Baltimore, Maryland are currently 6.136 μg/m³.

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

The PM₁₀ concentration in Baltimore, Maryland is 23.52 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Baltimore, Maryland is 0.181 ppm.

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

Currently, Baltimore, Maryland has a sulfur dioxide (SO₂) concentration of 0.295 ppb.

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

The current ozone (O₃) level in Baltimore, Maryland at the moment is 44.046 ppm.

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

Nitrogen dioxide (NO₂) level in Baltimore, Maryland at the moment is 4.572 ppb.

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