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

The PM10 concentration in Baltimore, Maryland is 27.129 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 0.665 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 3.816 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 16.824 ppb.

Live air quality index in Baltimore, Maryland today

Name: Live air pollution levels in Baltimore, Maryland today
Creator: Ambee

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)

6.39 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

27.13 μg/m³

155

255

425

605+

Ozone (O₃)

3.82 ppb

201

201+

Sulfur Dioxide (SO₂)

0.67 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

16.82 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.47 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Baltimore, Maryland

Get Live Pollen Counts

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
2025-10-19T12:00:00.000Z	52 \| moderate	10.067 \| good	45.999 \| good	3.535 \| good	0.142 \| good	9.922 \| good	0.31 \| good
2025-10-19T13:00:00.000Z	38 \| good	6.981 \| good	21.795 \| good	3.459 \| good	0.159 \| good	9.26 \| good	0.31 \| good
2025-10-19T14:00:00.000Z	54 \| moderate	10.838 \| good	51.014 \| good	15.359 \| good	0.17 \| good	6.846 \| good	0.251 \| good
2025-10-19T15:00:00.000Z	54 \| moderate	10.531 \| good	46.526 \| good	23.207 \| good	0.246 \| good	4.338 \| good	0.215 \| good
2025-10-19T16:00:00.000Z	49 \| good	9.23 \| good	36.095 \| good	26.21 \| good	0.319 \| good	3.864 \| good	0.196 \| good
2025-10-19T17:00:00.000Z	54 \| moderate	10.571 \| good	40.916 \| good	31.295 \| good	0.318 \| good	3.632 \| good	0.196 \| good
2025-10-19T18:00:00.000Z	52 \| moderate	10.052 \| good	44.848 \| good	36.212 \| good	0.277 \| good	3.931 \| good	0.16 \| good
2025-10-19T19:00:00.000Z	44 \| good	8.241 \| good	35.534 \| good	40.995 \| good	0.308 \| good	3.153 \| good	0.196 \| good
2025-10-19T20:00:00.000Z	49 \| good	8.552 \| good	30.934 \| good	42.988 \| good	0.298 \| good	2.6 \| good	0.172 \| good
2025-10-19T21:00:00.000Z	49 \| good	9.108 \| good	34.889 \| good	42.01 \| good	0.259 \| good	2.883 \| good	0.16 \| good
2025-10-19T22:00:00.000Z	38 \| good	7.261 \| good	30.08 \| good	40.078 \| good	0.268 \| good	3.791 \| good	0.16 \| good
2025-10-19T23:00:00.000Z	44 \| good	7.787 \| good	38.039 \| good	40.904 \| good	0.312 \| good	4.723 \| good	0.16 \| good
2025-10-20T00:00:00.000Z	38 \| good	7.368 \| good	33.368 \| good	38.992 \| good	0.276 \| good	3.696 \| good	0.16 \| good
2025-10-20T01:00:00.000Z	35 \| good	6.108 \| good	26.275 \| good	38.017 \| good	0.24 \| good	4.17 \| good	0.193 \| good
2025-10-20T02:00:00.000Z	34 \| good	5.897 \| good	24.836 \| good	37.014 \| good	0.255 \| good	4.034 \| good	0.172 \| good
2025-10-20T03:00:00.000Z	35 \| good	4.883 \| good	22.786 \| good	37.951 \| good	0.239 \| good	4.304 \| good	0.124 \| good
2025-10-20T04:00:00.000Z	38 \| good	3.909 \| good	14.11 \| good	40.877 \| good	0.212 \| good	3.557 \| good	0.124 \| good
2025-10-20T05:00:00.000Z	34 \| good	4.011 \| good	24.675 \| good	37.022 \| good	0.21 \| good	3.62 \| good	0.124 \| good
2025-10-20T06:00:00.000Z	30 \| good	3.724 \| good	13.849 \| good	32.203 \| good	0.203 \| good	3.33 \| good	0.124 \| good
2025-10-20T07:00:00.000Z	30 \| good	2.307 \| good	9.012 \| good	32.2 \| good	0.219 \| good	3.272 \| good	0.124 \| good
2025-10-20T08:00:00.000Z	22 \| good	3.443 \| good	14.376 \| good	24.456 \| good	0.221 \| good	5.116 \| good	0.124 \| good
2025-10-20T09:00:00.000Z	24 \| good	2.796 \| good	11.874 \| good	26.094 \| good	0.191 \| good	5.862 \| good	0.136 \| good
2025-10-20T10:00:00.000Z	22 \| good	1.562 \| good	7.912 \| good	24.207 \| good	0.191 \| good	4.314 \| good	0.124 \| good
2025-10-20T11:00:00.000Z	22 \| good	1.231 \| good	8.755 \| good	24.124 \| good	0.191 \| good	5.671 \| good	0.124 \| good
2025-10-20T12:00:00.000Z	20 \| good	2.093 \| good	7.322 \| good	22.191 \| good	0.224 \| good	6.173 \| good	0.145 \| good
2025-10-20T13:00:00.000Z	20 \| good	1.599 \| good	7.8 \| good	22.195 \| good	0.23 \| good	6.843 \| good	0.169 \| good
2025-10-20T14:00:00.000Z	25 \| good	2.286 \| good	12.385 \| good	26.899 \| good	0.207 \| good	5.236 \| good	0.136 \| good
2025-10-20T15:00:00.000Z	25 \| good	2.97 \| good	13.974 \| good	26.977 \| good	0.249 \| good	3.396 \| good	0.124 \| good
2025-10-20T16:00:00.000Z	25 \| good	2.787 \| good	7.588 \| good	27.158 \| good	0.271 \| good	3.427 \| good	0.115 \| good
2025-10-20T17:00:00.000Z	25 \| good	3.031 \| good	12.367 \| good	27.168 \| good	0.264 \| good	3.174 \| good	0.14 \| good
2025-10-20T18:00:00.000Z	25 \| good	2.975 \| good	13.478 \| good	27.315 \| good	0.228 \| good	2.859 \| good	0.131 \| good
2025-10-20T19:00:00.000Z	29 \| good	1.164 \| good	15.618 \| good	31.318 \| good	0.163 \| good	2.971 \| good	0.131 \| good
2025-10-20T20:00:00.000Z	26 \| good	3.513 \| good	16.673 \| good	28.272 \| good	0.175 \| good	2.967 \| good	0.131 \| good
2025-10-20T21:00:00.000Z	29 \| good	2.664 \| good	10.61 \| good	31.077 \| good	0.136 \| good	2.967 \| good	0.131 \| good
2025-10-20T22:00:00.000Z	30 \| good	2.223 \| good	8.788 \| good	32.016 \| good	0.161 \| good	3.963 \| good	0.131 \| good
2025-10-20T23:00:00.000Z	27 \| good	2.12 \| good	10.149 \| good	29.107 \| good	0.182 \| good	7.212 \| good	0.124 \| good
2025-10-21T00:00:00.000Z	25 \| good	3.74 \| good	14.454 \| good	27.079 \| good	0.175 \| good	8.99 \| good	0.124 \| good
2025-10-21T01:00:00.000Z	28 \| good	2.943 \| good	13.692 \| good	29.791 \| good	0.168 \| good	14.152 \| good	0.148 \| good
2025-10-21T02:00:00.000Z	24 \| good	2.547 \| good	11.166 \| good	25.831 \| good	0.157 \| good	14.608 \| good	0.347 \| good
2025-10-21T03:00:00.000Z	52 \| moderate	10.308 \| good	45.963 \| good	15.939 \| good	1.853 \| good	16.611 \| good	0.217 \| good
2025-10-21T04:00:00.000Z	27 \| good	5.486 \| good	28.281 \| good	13.021 \| good	0.212 \| good	13.334 \| good	0.272 \| good
2025-10-21T05:00:00.000Z	27 \| good	5.447 \| good	19.937 \| good	6.163 \| good	0.219 \| good	16.286 \| good	0.291 \| good
2025-10-21T06:00:00.000Z	27 \| good	5.132 \| good	16.641 \| good	6.214 \| good	0.21 \| good	16.655 \| good	0.345 \| good
2025-10-21T07:00:00.000Z	44 \| good	8.227 \| good	38.022 \| good	6.163 \| good	0.21 \| good	16.34 \| good	0.321 \| good
2025-10-21T08:00:00.000Z	38 \| good	6.959 \| good	27.548 \| good	5.212 \| good	0.284 \| good	15.838 \| good	0.333 \| good
2025-10-21T09:00:00.000Z	33 \| good	6.453 \| good	28.84 \| good	2.215 \| good	0.286 \| good	15.803 \| good	0.336 \| good
2025-10-21T10:00:00.000Z	33 \| good	5.71 \| good	21.053 \| good	1.181 \| good	0.467 \| good	15.389 \| good	0.402 \| good
2025-10-21T11:00:00.000Z	27 \| good	5.285 \| good	23.846 \| good	2.113 \| good	0.6 \| good	14.035 \| good	0.435 \| good
2025-10-21T11:00:00.000Z	33 \| good	6.393 \| good	27.129 \| good	3.816 \| good	0.665 \| good	16.824 \| good	0.468 \| good
2025-10-21T12:00:00.000Z	52 \| moderate	10.24 \| good	45.397 \| good	5.44 \| good	2.72 \| good	18.81 \| good	0.284 \| good
2025-10-21T13:00:00.000Z	52 \| moderate	9.537 \| good	42.474 \| good	11.946 \| good	2.658 \| good	15.385 \| good	0.263 \| good
2025-10-21T14:00:00.000Z	44 \| good	7.597 \| good	33.645 \| good	22.673 \| good	2.597 \| good	11.961 \| good	0.242 \| good
2025-10-21T15:00:00.000Z	38 \| good	7.433 \| good	32.841 \| good	32.107 \| good	2.535 \| good	8.536 \| good	0.221 \| good
2025-10-21T16:00:00.000Z	44 \| good	7.794 \| good	34.141 \| good	39.392 \| good	2.505 \| good	6.823 \| good	0.208 \| good
2025-10-21T17:00:00.000Z	42 \| good	6.68 \| good	29.686 \| good	44.586 \| good	2.475 \| good	5.11 \| good	0.194 \| good
2025-10-21T18:00:00.000Z	46 \| good	6.988 \| good	30.892 \| good	49.522 \| good	2.445 \| good	3.398 \| good	0.181 \| good
2025-10-21T19:00:00.000Z	47 \| good	7.665 \| good	33.778 \| good	50.753 \| good	2.331 \| good	3.654 \| good	0.179 \| good
2025-10-21T20:00:00.000Z	45 \| good	8.071 \| good	35.569 \| good	49.008 \| good	2.217 \| good	3.911 \| good	0.177 \| good
2025-10-21T21:00:00.000Z	42 \| good	7.392 \| good	32.649 \| good	44.877 \| good	2.102 \| good	4.168 \| good	0.175 \| good
2025-10-21T22:00:00.000Z	39 \| good	6.109 \| good	26.796 \| good	41.507 \| good	2.065 \| good	8.028 \| good	0.2 \| good
2025-10-21T23:00:00.000Z	44 \| good	8.197 \| good	36.163 \| good	36.702 \| good	2.028 \| good	11.888 \| good	0.225 \| good
2025-10-22T00:00:00.000Z	44 \| good	8.478 \| good	37.232 \| good	30.505 \| good	1.991 \| good	15.748 \| good	0.25 \| good
2025-10-22T01:00:00.000Z	49 \| good	8.586 \| good	37.741 \| good	25.534 \| good	1.955 \| good	14.011 \| good	0.236 \| good
2025-10-22T02:00:00.000Z	49 \| good	9.122 \| good	40.37 \| good	21.476 \| good	1.919 \| good	12.273 \| good	0.223 \| good
2025-10-22T03:00:00.000Z	52 \| moderate	9.521 \| good	42.131 \| good	22.218 \| good	1.883 \| good	10.535 \| good	0.209 \| good
2025-10-22T04:00:00.000Z	52 \| moderate	9.738 \| good	43.363 \| good	20.2 \| good	1.861 \| good	9.668 \| good	0.204 \| good
2025-10-22T05:00:00.000Z	52 \| moderate	10.168 \| good	44.982 \| good	19.818 \| good	1.839 \| good	8.801 \| good	0.199 \| good
2025-10-22T06:00:00.000Z	52 \| moderate	9.588 \| good	42.904 \| good	18.27 \| good	1.817 \| good	7.933 \| good	0.194 \| good
2025-10-22T07:00:00.000Z	52 \| moderate	10.21 \| good	45.13 \| good	15.426 \| good	2.107 \| good	6.865 \| good	0.181 \| good
2025-10-22T08:00:00.000Z	52 \| moderate	9.733 \| good	43.241 \| good	16.169 \| good	2.396 \| good	5.797 \| good	0.169 \| good
2025-10-22T09:00:00.000Z	44 \| good	7.644 \| good	33.511 \| good	19.557 \| good	2.686 \| good	4.729 \| good	0.157 \| good
2025-10-22T10:00:00.000Z	38 \| good	6.739 \| good	29.552 \| good	16.966 \| good	2.894 \| good	5.696 \| good	0.158 \| good
2025-10-22T11:00:00.000Z	38 \| good	7.15 \| good	31.647 \| good	11.188 \| good	3.102 \| good	6.663 \| good	0.16 \| good
2025-10-22T12:00:00.000Z	44 \| good	7.955 \| good	34.886 \| good	16.222 \| good	3.31 \| good	7.63 \| good	0.161 \| good
2025-10-22T13:00:00.000Z	44 \| good	8.223 \| good	36.028 \| good	28.815 \| good	3.143 \| good	5.964 \| good	0.151 \| good
2025-10-22T14:00:00.000Z	33 \| good	5.736 \| good	24.839 \| good	35.088 \| good	2.975 \| good	4.297 \| good	0.141 \| good
2025-10-22T15:00:00.000Z	35 \| good	5.724 \| good	24.99 \| good	37.84 \| good	2.807 \| good	2.631 \| good	0.131 \| good
2025-10-22T16:00:00.000Z	36 \| good	5.85 \| good	25.168 \| good	39.339 \| good	2.588 \| good	2.415 \| good	0.128 \| good
2025-10-22T17:00:00.000Z	36 \| good	4.564 \| good	19.869 \| good	39.423 \| good	2.368 \| good	2.2 \| good	0.126 \| good
2025-10-22T18:00:00.000Z	37 \| good	4.325 \| good	18.871 \| good	39.681 \| good	2.149 \| good	1.984 \| good	0.123 \| good
2025-10-22T19:00:00.000Z	37 \| good	4.628 \| good	20.348 \| good	40.371 \| good	2.13 \| good	2.333 \| good	0.126 \| good
2025-10-22T20:00:00.000Z	36 \| good	4.58 \| good	19.866 \| good	39.035 \| good	2.11 \| good	2.682 \| good	0.129 \| good
2025-10-22T21:00:00.000Z	33 \| good	3.89 \| good	16.941 \| good	35.969 \| good	2.091 \| good	3.031 \| good	0.131 \| good
2025-10-22T22:00:00.000Z	31 \| good	2.889 \| good	11.873 \| good	32.585 \| good	2.187 \| good	5.932 \| good	0.151 \| good
2025-10-22T23:00:00.000Z	28 \| good	4.267 \| good	18.654 \| good	30.045 \| good	2.283 \| good	8.832 \| good	0.171 \| good
2025-10-23T00:00:00.000Z	27 \| good	5.473 \| good	23.759 \| good	28.155 \| good	2.379 \| good	11.733 \| good	0.19 \| good
2025-10-23T01:00:00.000Z	38 \| good	7.441 \| good	32.722 \| good	25.05 \| good	2.502 \| good	10.113 \| good	0.178 \| good
2025-10-23T02:00:00.000Z	44 \| good	7.747 \| good	33.878 \| good	21.5 \| good	2.626 \| good	8.493 \| good	0.165 \| good
2025-10-23T03:00:00.000Z	44 \| good	8.137 \| good	35.664 \| good	20.375 \| good	2.75 \| good	6.874 \| good	0.152 \| good
2025-10-23T04:00:00.000Z	44 \| good	7.858 \| good	34.711 \| good	21.444 \| good	2.775 \| good	6.617 \| good	0.15 \| good
2025-10-23T05:00:00.000Z	44 \| good	8.182 \| good	36.022 \| good	22.356 \| good	2.801 \| good	6.36 \| good	0.148 \| good
2025-10-23T06:00:00.000Z	33 \| good	5.961 \| good	5.968 \| good	24.246 \| good	2.817 \| good	6.106 \| good	0.146 \| good
2025-10-23T07:00:00.000Z	38 \| good	7.142 \| good	31.653 \| good	19.703 \| good	2.642 \| good	5.666 \| good	0.144 \| good
2025-10-23T08:00:00.000Z	44 \| good	7.536 \| good	33.041 \| good	17.313 \| good	2.458 \| good	5.228 \| good	0.141 \| good
2025-10-23T09:00:00.000Z	44 \| good	7.583 \| good	33.507 \| good	12.687 \| good	2.273 \| good	4.789 \| good	0.138 \| good
2025-10-23T10:00:00.000Z	49 \| good	8.974 \| good	40.107 \| good	8.592 \| good	2.234 \| good	5.639 \| good	0.146 \| good
2025-10-23T11:00:00.000Z	49 \| good	8.888 \| good	38.891 \| good	6.093 \| good	2.195 \| good	6.489 \| good	0.153 \| good

Baltimore

Get reliable air quality data to drive your business

Baltimore, 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

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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 03:00:00 on 2025-10-21.

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 01:00:00 on 2025-10-20.

What is the AQI in Baltimore, Maryland right now?

As of now, the AQI in Baltimore, Maryland is 33, indicating Good conditions.

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

Baltimore, Maryland air has the highest levels of PM2.5.

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 6.393 μg/m³.

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

The PM₁₀ concentration in Baltimore, Maryland is 27.129 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 0.468 ppm.

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

Currently, Baltimore, Maryland has a sulfur dioxide (SO₂) concentration of 0.665 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 3.816 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 16.824 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-19T12:00:00.000Z	52 \| moderate	10.067 \| good	45.999 \| good	3.535 \| good	0.142 \| good	9.922 \| good	0.31 \| good
2025-10-19T13:00:00.000Z	38 \| good	6.981 \| good	21.795 \| good	3.459 \| good	0.159 \| good	9.26 \| good	0.31 \| good
2025-10-19T14:00:00.000Z	54 \| moderate	10.838 \| good	51.014 \| good	15.359 \| good	0.17 \| good	6.846 \| good	0.251 \| good
2025-10-19T15:00:00.000Z	54 \| moderate	10.531 \| good	46.526 \| good	23.207 \| good	0.246 \| good	4.338 \| good	0.215 \| good
2025-10-19T16:00:00.000Z	49 \| good	9.23 \| good	36.095 \| good	26.21 \| good	0.319 \| good	3.864 \| good	0.196 \| good
2025-10-19T17:00:00.000Z	54 \| moderate	10.571 \| good	40.916 \| good	31.295 \| good	0.318 \| good	3.632 \| good	0.196 \| good
2025-10-19T18:00:00.000Z	52 \| moderate	10.052 \| good	44.848 \| good	36.212 \| good	0.277 \| good	3.931 \| good	0.16 \| good
2025-10-19T19:00:00.000Z	44 \| good	8.241 \| good	35.534 \| good	40.995 \| good	0.308 \| good	3.153 \| good	0.196 \| good
2025-10-19T20:00:00.000Z	49 \| good	8.552 \| good	30.934 \| good	42.988 \| good	0.298 \| good	2.6 \| good	0.172 \| good
2025-10-19T21:00:00.000Z	49 \| good	9.108 \| good	34.889 \| good	42.01 \| good	0.259 \| good	2.883 \| good	0.16 \| good
2025-10-19T22:00:00.000Z	38 \| good	7.261 \| good	30.08 \| good	40.078 \| good	0.268 \| good	3.791 \| good	0.16 \| good
2025-10-19T23:00:00.000Z	44 \| good	7.787 \| good	38.039 \| good	40.904 \| good	0.312 \| good	4.723 \| good	0.16 \| good
2025-10-20T00:00:00.000Z	38 \| good	7.368 \| good	33.368 \| good	38.992 \| good	0.276 \| good	3.696 \| good	0.16 \| good
2025-10-20T01:00:00.000Z	35 \| good	6.108 \| good	26.275 \| good	38.017 \| good	0.24 \| good	4.17 \| good	0.193 \| good
2025-10-20T02:00:00.000Z	34 \| good	5.897 \| good	24.836 \| good	37.014 \| good	0.255 \| good	4.034 \| good	0.172 \| good
2025-10-20T03:00:00.000Z	35 \| good	4.883 \| good	22.786 \| good	37.951 \| good	0.239 \| good	4.304 \| good	0.124 \| good
2025-10-20T04:00:00.000Z	38 \| good	3.909 \| good	14.11 \| good	40.877 \| good	0.212 \| good	3.557 \| good	0.124 \| good
2025-10-20T05:00:00.000Z	34 \| good	4.011 \| good	24.675 \| good	37.022 \| good	0.21 \| good	3.62 \| good	0.124 \| good
2025-10-20T06:00:00.000Z	30 \| good	3.724 \| good	13.849 \| good	32.203 \| good	0.203 \| good	3.33 \| good	0.124 \| good
2025-10-20T07:00:00.000Z	30 \| good	2.307 \| good	9.012 \| good	32.2 \| good	0.219 \| good	3.272 \| good	0.124 \| good
2025-10-20T08:00:00.000Z	22 \| good	3.443 \| good	14.376 \| good	24.456 \| good	0.221 \| good	5.116 \| good	0.124 \| good
2025-10-20T09:00:00.000Z	24 \| good	2.796 \| good	11.874 \| good	26.094 \| good	0.191 \| good	5.862 \| good	0.136 \| good
2025-10-20T10:00:00.000Z	22 \| good	1.562 \| good	7.912 \| good	24.207 \| good	0.191 \| good	4.314 \| good	0.124 \| good
2025-10-20T11:00:00.000Z	22 \| good	1.231 \| good	8.755 \| good	24.124 \| good	0.191 \| good	5.671 \| good	0.124 \| good
2025-10-20T12:00:00.000Z	20 \| good	2.093 \| good	7.322 \| good	22.191 \| good	0.224 \| good	6.173 \| good	0.145 \| good
2025-10-20T13:00:00.000Z	20 \| good	1.599 \| good	7.8 \| good	22.195 \| good	0.23 \| good	6.843 \| good	0.169 \| good
2025-10-20T14:00:00.000Z	25 \| good	2.286 \| good	12.385 \| good	26.899 \| good	0.207 \| good	5.236 \| good	0.136 \| good
2025-10-20T15:00:00.000Z	25 \| good	2.97 \| good	13.974 \| good	26.977 \| good	0.249 \| good	3.396 \| good	0.124 \| good
2025-10-20T16:00:00.000Z	25 \| good	2.787 \| good	7.588 \| good	27.158 \| good	0.271 \| good	3.427 \| good	0.115 \| good
2025-10-20T17:00:00.000Z	25 \| good	3.031 \| good	12.367 \| good	27.168 \| good	0.264 \| good	3.174 \| good	0.14 \| good
2025-10-20T18:00:00.000Z	25 \| good	2.975 \| good	13.478 \| good	27.315 \| good	0.228 \| good	2.859 \| good	0.131 \| good
2025-10-20T19:00:00.000Z	29 \| good	1.164 \| good	15.618 \| good	31.318 \| good	0.163 \| good	2.971 \| good	0.131 \| good
2025-10-20T20:00:00.000Z	26 \| good	3.513 \| good	16.673 \| good	28.272 \| good	0.175 \| good	2.967 \| good	0.131 \| good
2025-10-20T21:00:00.000Z	29 \| good	2.664 \| good	10.61 \| good	31.077 \| good	0.136 \| good	2.967 \| good	0.131 \| good
2025-10-20T22:00:00.000Z	30 \| good	2.223 \| good	8.788 \| good	32.016 \| good	0.161 \| good	3.963 \| good	0.131 \| good
2025-10-20T23:00:00.000Z	27 \| good	2.12 \| good	10.149 \| good	29.107 \| good	0.182 \| good	7.212 \| good	0.124 \| good
2025-10-21T00:00:00.000Z	25 \| good	3.74 \| good	14.454 \| good	27.079 \| good	0.175 \| good	8.99 \| good	0.124 \| good
2025-10-21T01:00:00.000Z	28 \| good	2.943 \| good	13.692 \| good	29.791 \| good	0.168 \| good	14.152 \| good	0.148 \| good
2025-10-21T02:00:00.000Z	24 \| good	2.547 \| good	11.166 \| good	25.831 \| good	0.157 \| good	14.608 \| good	0.347 \| good
2025-10-21T03:00:00.000Z	52 \| moderate	10.308 \| good	45.963 \| good	15.939 \| good	1.853 \| good	16.611 \| good	0.217 \| good
2025-10-21T04:00:00.000Z	27 \| good	5.486 \| good	28.281 \| good	13.021 \| good	0.212 \| good	13.334 \| good	0.272 \| good
2025-10-21T05:00:00.000Z	27 \| good	5.447 \| good	19.937 \| good	6.163 \| good	0.219 \| good	16.286 \| good	0.291 \| good
2025-10-21T06:00:00.000Z	27 \| good	5.132 \| good	16.641 \| good	6.214 \| good	0.21 \| good	16.655 \| good	0.345 \| good
2025-10-21T07:00:00.000Z	44 \| good	8.227 \| good	38.022 \| good	6.163 \| good	0.21 \| good	16.34 \| good	0.321 \| good
2025-10-21T08:00:00.000Z	38 \| good	6.959 \| good	27.548 \| good	5.212 \| good	0.284 \| good	15.838 \| good	0.333 \| good
2025-10-21T09:00:00.000Z	33 \| good	6.453 \| good	28.84 \| good	2.215 \| good	0.286 \| good	15.803 \| good	0.336 \| good
2025-10-21T10:00:00.000Z	33 \| good	5.71 \| good	21.053 \| good	1.181 \| good	0.467 \| good	15.389 \| good	0.402 \| good
2025-10-21T11:00:00.000Z	27 \| good	5.285 \| good	23.846 \| good	2.113 \| good	0.6 \| good	14.035 \| good	0.435 \| good
2025-10-21T11:00:00.000Z	33 \| good	6.393 \| good	27.129 \| good	3.816 \| good	0.665 \| good	16.824 \| good	0.468 \| good
2025-10-21T12:00:00.000Z	52 \| moderate	10.24 \| good	45.397 \| good	5.44 \| good	2.72 \| good	18.81 \| good	0.284 \| good
2025-10-21T13:00:00.000Z	52 \| moderate	9.537 \| good	42.474 \| good	11.946 \| good	2.658 \| good	15.385 \| good	0.263 \| good
2025-10-21T14:00:00.000Z	44 \| good	7.597 \| good	33.645 \| good	22.673 \| good	2.597 \| good	11.961 \| good	0.242 \| good
2025-10-21T15:00:00.000Z	38 \| good	7.433 \| good	32.841 \| good	32.107 \| good	2.535 \| good	8.536 \| good	0.221 \| good
2025-10-21T16:00:00.000Z	44 \| good	7.794 \| good	34.141 \| good	39.392 \| good	2.505 \| good	6.823 \| good	0.208 \| good
2025-10-21T17:00:00.000Z	42 \| good	6.68 \| good	29.686 \| good	44.586 \| good	2.475 \| good	5.11 \| good	0.194 \| good
2025-10-21T18:00:00.000Z	46 \| good	6.988 \| good	30.892 \| good	49.522 \| good	2.445 \| good	3.398 \| good	0.181 \| good
2025-10-21T19:00:00.000Z	47 \| good	7.665 \| good	33.778 \| good	50.753 \| good	2.331 \| good	3.654 \| good	0.179 \| good
2025-10-21T20:00:00.000Z	45 \| good	8.071 \| good	35.569 \| good	49.008 \| good	2.217 \| good	3.911 \| good	0.177 \| good
2025-10-21T21:00:00.000Z	42 \| good	7.392 \| good	32.649 \| good	44.877 \| good	2.102 \| good	4.168 \| good	0.175 \| good
2025-10-21T22:00:00.000Z	39 \| good	6.109 \| good	26.796 \| good	41.507 \| good	2.065 \| good	8.028 \| good	0.2 \| good
2025-10-21T23:00:00.000Z	44 \| good	8.197 \| good	36.163 \| good	36.702 \| good	2.028 \| good	11.888 \| good	0.225 \| good
2025-10-22T00:00:00.000Z	44 \| good	8.478 \| good	37.232 \| good	30.505 \| good	1.991 \| good	15.748 \| good	0.25 \| good
2025-10-22T01:00:00.000Z	49 \| good	8.586 \| good	37.741 \| good	25.534 \| good	1.955 \| good	14.011 \| good	0.236 \| good
2025-10-22T02:00:00.000Z	49 \| good	9.122 \| good	40.37 \| good	21.476 \| good	1.919 \| good	12.273 \| good	0.223 \| good
2025-10-22T03:00:00.000Z	52 \| moderate	9.521 \| good	42.131 \| good	22.218 \| good	1.883 \| good	10.535 \| good	0.209 \| good
2025-10-22T04:00:00.000Z	52 \| moderate	9.738 \| good	43.363 \| good	20.2 \| good	1.861 \| good	9.668 \| good	0.204 \| good
2025-10-22T05:00:00.000Z	52 \| moderate	10.168 \| good	44.982 \| good	19.818 \| good	1.839 \| good	8.801 \| good	0.199 \| good
2025-10-22T06:00:00.000Z	52 \| moderate	9.588 \| good	42.904 \| good	18.27 \| good	1.817 \| good	7.933 \| good	0.194 \| good
2025-10-22T07:00:00.000Z	52 \| moderate	10.21 \| good	45.13 \| good	15.426 \| good	2.107 \| good	6.865 \| good	0.181 \| good
2025-10-22T08:00:00.000Z	52 \| moderate	9.733 \| good	43.241 \| good	16.169 \| good	2.396 \| good	5.797 \| good	0.169 \| good
2025-10-22T09:00:00.000Z	44 \| good	7.644 \| good	33.511 \| good	19.557 \| good	2.686 \| good	4.729 \| good	0.157 \| good
2025-10-22T10:00:00.000Z	38 \| good	6.739 \| good	29.552 \| good	16.966 \| good	2.894 \| good	5.696 \| good	0.158 \| good
2025-10-22T11:00:00.000Z	38 \| good	7.15 \| good	31.647 \| good	11.188 \| good	3.102 \| good	6.663 \| good	0.16 \| good
2025-10-22T12:00:00.000Z	44 \| good	7.955 \| good	34.886 \| good	16.222 \| good	3.31 \| good	7.63 \| good	0.161 \| good
2025-10-22T13:00:00.000Z	44 \| good	8.223 \| good	36.028 \| good	28.815 \| good	3.143 \| good	5.964 \| good	0.151 \| good
2025-10-22T14:00:00.000Z	33 \| good	5.736 \| good	24.839 \| good	35.088 \| good	2.975 \| good	4.297 \| good	0.141 \| good
2025-10-22T15:00:00.000Z	35 \| good	5.724 \| good	24.99 \| good	37.84 \| good	2.807 \| good	2.631 \| good	0.131 \| good
2025-10-22T16:00:00.000Z	36 \| good	5.85 \| good	25.168 \| good	39.339 \| good	2.588 \| good	2.415 \| good	0.128 \| good
2025-10-22T17:00:00.000Z	36 \| good	4.564 \| good	19.869 \| good	39.423 \| good	2.368 \| good	2.2 \| good	0.126 \| good
2025-10-22T18:00:00.000Z	37 \| good	4.325 \| good	18.871 \| good	39.681 \| good	2.149 \| good	1.984 \| good	0.123 \| good
2025-10-22T19:00:00.000Z	37 \| good	4.628 \| good	20.348 \| good	40.371 \| good	2.13 \| good	2.333 \| good	0.126 \| good
2025-10-22T20:00:00.000Z	36 \| good	4.58 \| good	19.866 \| good	39.035 \| good	2.11 \| good	2.682 \| good	0.129 \| good
2025-10-22T21:00:00.000Z	33 \| good	3.89 \| good	16.941 \| good	35.969 \| good	2.091 \| good	3.031 \| good	0.131 \| good
2025-10-22T22:00:00.000Z	31 \| good	2.889 \| good	11.873 \| good	32.585 \| good	2.187 \| good	5.932 \| good	0.151 \| good
2025-10-22T23:00:00.000Z	28 \| good	4.267 \| good	18.654 \| good	30.045 \| good	2.283 \| good	8.832 \| good	0.171 \| good
2025-10-23T00:00:00.000Z	27 \| good	5.473 \| good	23.759 \| good	28.155 \| good	2.379 \| good	11.733 \| good	0.19 \| good
2025-10-23T01:00:00.000Z	38 \| good	7.441 \| good	32.722 \| good	25.05 \| good	2.502 \| good	10.113 \| good	0.178 \| good
2025-10-23T02:00:00.000Z	44 \| good	7.747 \| good	33.878 \| good	21.5 \| good	2.626 \| good	8.493 \| good	0.165 \| good
2025-10-23T03:00:00.000Z	44 \| good	8.137 \| good	35.664 \| good	20.375 \| good	2.75 \| good	6.874 \| good	0.152 \| good
2025-10-23T04:00:00.000Z	44 \| good	7.858 \| good	34.711 \| good	21.444 \| good	2.775 \| good	6.617 \| good	0.15 \| good
2025-10-23T05:00:00.000Z	44 \| good	8.182 \| good	36.022 \| good	22.356 \| good	2.801 \| good	6.36 \| good	0.148 \| good
2025-10-23T06:00:00.000Z	33 \| good	5.961 \| good	5.968 \| good	24.246 \| good	2.817 \| good	6.106 \| good	0.146 \| good
2025-10-23T07:00:00.000Z	38 \| good	7.142 \| good	31.653 \| good	19.703 \| good	2.642 \| good	5.666 \| good	0.144 \| good
2025-10-23T08:00:00.000Z	44 \| good	7.536 \| good	33.041 \| good	17.313 \| good	2.458 \| good	5.228 \| good	0.141 \| good
2025-10-23T09:00:00.000Z	44 \| good	7.583 \| good	33.507 \| good	12.687 \| good	2.273 \| good	4.789 \| good	0.138 \| good
2025-10-23T10:00:00.000Z	49 \| good	8.974 \| good	40.107 \| good	8.592 \| good	2.234 \| good	5.639 \| good	0.146 \| good
2025-10-23T11:00:00.000Z	49 \| good	8.888 \| good	38.891 \| good	6.093 \| good	2.195 \| good	6.489 \| good	0.153 \| good

Live air quality index in Baltimore, Maryland today

Major air pollutants in Baltimore, Maryland

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Baltimore, Maryland air quality forecast and history

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

Air quality in nearby cities

Arbutus, Maryland

Rosedale, Maryland

Dundalk, Maryland

Linthicum, Maryland

Catonsville, Maryland

Lochearn, Maryland

How accurate is Maryland, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

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

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

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

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

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

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

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