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

The PM10 concentration in Baltimore, Maryland is 44.466 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 0.188 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 18.037 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 20.124 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 10.543 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)

Moderate

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)

18.76 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

74.82 μg/m³

155

255

425

605+

Ozone (O₃)

7.46 ppb

201

201+

Sulfur Dioxide (SO₂)

0.97 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

22.31 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.43 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
2025-12-05T05:00:00.000Z	24 \| good	4.431 \| good	10.717 \| good	26.48 \| good	0.286 \| good	5.491 \| good	0.149 \| good
2025-12-05T06:00:00.000Z	27 \| good	3.417 \| good	8.016 \| good	28.532 \| good	0.227 \| good	4.495 \| good	0.144 \| good
2025-12-05T07:00:00.000Z	27 \| good	3.436 \| good	8.015 \| good	28.955 \| good	0.222 \| good	4.499 \| good	0.117 \| good
2025-12-05T08:00:00.000Z	28 \| good	3.216 \| good	8.879 \| good	30.489 \| good	0.117 \| good	3.242 \| good	0.117 \| good
2025-12-05T09:00:00.000Z	28 \| good	3.027 \| good	8.339 \| good	29.794 \| good	0.111 \| good	3.18 \| good	0.134 \| good
2025-12-05T10:00:00.000Z	27 \| good	3.028 \| good	7.979 \| good	29.103 \| good	0.114 \| good	3.595 \| good	0.134 \| good
2025-12-05T11:00:00.000Z	28 \| good	2.99 \| good	8.093 \| good	29.801 \| good	0.125 \| good	4.779 \| good	0.178 \| good
2025-12-05T12:00:00.000Z	30 \| good	2.813 \| good	7.975 \| good	31.701 \| good	0.197 \| good	4.579 \| good	0.178 \| good
2025-12-05T13:00:00.000Z	29 \| good	2.881 \| good	8.732 \| good	31.175 \| good	0.114 \| good	5.344 \| good	0.227 \| good
2025-12-05T14:00:00.000Z	29 \| good	3.053 \| good	9.778 \| good	30.856 \| good	0.124 \| good	5.261 \| good	0.227 \| good
2025-12-05T15:00:00.000Z	30 \| good	3.152 \| good	8.972 \| good	31.695 \| good	0.124 \| good	5.033 \| good	0.21 \| good
2025-12-05T16:00:00.000Z	30 \| good	3.07 \| good	8.072 \| good	32.448 \| good	0.11 \| good	5.282 \| good	0.227 \| good
2025-12-05T17:00:00.000Z	29 \| good	3.12 \| good	7.737 \| good	30.688 \| good	0.118 \| good	6.04 \| good	0.21 \| good
2025-12-05T18:00:00.000Z	25 \| good	3.982 \| good	9.297 \| good	26.833 \| good	0.453 \| good	7.631 \| good	0.21 \| good
2025-12-05T19:00:00.000Z	27 \| good	4.858 \| good	11.525 \| good	24.318 \| good	0.209 \| good	9.814 \| good	0.238 \| good
2025-12-05T20:00:00.000Z	27 \| good	5.09 \| good	12.087 \| good	22.263 \| good	0.255 \| good	10.681 \| good	0.261 \| good
2025-12-05T21:00:00.000Z	33 \| good	5.756 \| good	12.863 \| good	19.594 \| good	0.135 \| good	11.478 \| good	0.244 \| good
2025-12-05T22:00:00.000Z	33 \| good	6.159 \| good	13.937 \| good	19.889 \| good	0.115 \| good	10.815 \| good	0.244 \| good
2025-12-05T23:00:00.000Z	38 \| good	6.595 \| good	14.346 \| good	19.56 \| good	0.115 \| good	9.366 \| good	0.278 \| good
2025-12-06T00:00:00.000Z	44 \| good	8.353 \| good	19.512 \| good	19.024 \| good	0.118 \| good	9.205 \| good	0.293 \| good
2025-12-06T01:00:00.000Z	52 \| moderate	10.146 \| good	23.784 \| good	18.38 \| good	0.112 \| good	11.95 \| good	0.266 \| good
2025-12-06T02:00:00.000Z	56 \| moderate	11.654 \| good	27.369 \| good	17.341 \| good	0.122 \| good	12.003 \| good	0.266 \| good
2025-12-06T03:00:00.000Z	56 \| moderate	12.451 \| fine	30.677 \| good	16.914 \| good	0.114 \| good	11.411 \| good	0.266 \| good
2025-12-06T04:00:00.000Z	58 \| moderate	12.777 \| fine	30.311 \| good	14.938 \| good	0.108 \| good	10.909 \| good	0.243 \| good
2025-12-06T05:00:00.000Z	60 \| moderate	13.534 \| fine	33.059 \| good	13.417 \| good	0.138 \| good	11.582 \| good	0.249 \| good
2025-12-06T06:00:00.000Z	60 \| moderate	14.098 \| fine	35.594 \| good	13.21 \| good	0.103 \| good	12.256 \| good	0.21 \| good
2025-12-06T07:00:00.000Z	60 \| moderate	14.123 \| fine	36.328 \| good	13.03 \| good	0.105 \| good	12.235 \| good	0.21 \| good
2025-12-06T08:00:00.000Z	62 \| moderate	15.108 \| fine	38.596 \| good	9.649 \| good	0.111 \| good	14.817 \| good	0.266 \| good
2025-12-06T09:00:00.000Z	62 \| moderate	15.125 \| fine	36.896 \| good	10.172 \| good	0.111 \| good	14.688 \| good	0.243 \| good
2025-12-06T10:00:00.000Z	64 \| moderate	15.95 \| fine	38.712 \| good	9.368 \| good	0.121 \| good	13.133 \| good	0.243 \| good
2025-12-06T11:00:00.000Z	64 \| moderate	16.452 \| fine	39.994 \| good	9.956 \| good	0.123 \| good	11.335 \| good	0.244 \| good
2025-12-06T12:00:00.000Z	67 \| moderate	18.337 \| fine	43.707 \| good	7.81 \| good	0.1 \| good	13.978 \| good	0.255 \| good
2025-12-06T13:00:00.000Z	67 \| moderate	18.228 \| fine	43.276 \| good	8.32 \| good	0.104 \| good	13.585 \| good	0.272 \| good
2025-12-06T14:00:00.000Z	73 \| moderate	21.401 \| fine	45.232 \| good	9.582 \| good	0.189 \| good	15.935 \| good	0.355 \| good
2025-12-06T15:00:00.000Z	77 \| moderate	22.894 \| fine	47.556 \| good	7.915 \| good	0.272 \| good	16.409 \| good	0.355 \| good
2025-12-06T16:00:00.000Z	81 \| moderate	24.715 \| fine	50.376 \| good	8.373 \| good	0.439 \| good	14.733 \| good	0.31 \| good
2025-12-06T17:00:00.000Z	75 \| moderate	21.613 \| fine	43.966 \| good	11.699 \| good	0.368 \| good	11.774 \| good	0.31 \| good
2025-12-06T18:00:00.000Z	69 \| moderate	19.432 \| fine	39.803 \| good	13.237 \| good	0.458 \| good	11.904 \| good	0.26 \| good
2025-12-06T19:00:00.000Z	66 \| moderate	17.264 \| fine	34.146 \| good	15.498 \| good	0.508 \| good	10.167 \| good	0.2 \| good
2025-12-06T20:00:00.000Z	64 \| moderate	15.833 \| fine	28.554 \| good	15.915 \| good	0.434 \| good	9.911 \| good	0.183 \| good
2025-12-06T21:00:00.000Z	60 \| moderate	13.513 \| fine	23.536 \| good	17.124 \| good	0.274 \| good	8.982 \| good	0.166 \| good
2025-12-06T22:00:00.000Z	58 \| moderate	13.12 \| fine	24.878 \| good	13.873 \| good	0.197 \| good	12.831 \| good	0.183 \| good
2025-12-06T23:00:00.000Z	56 \| moderate	11.753 \| good	26.745 \| good	16.506 \| good	0.193 \| good	12.896 \| good	0.166 \| good
2025-12-07T00:00:00.000Z	56 \| moderate	12.186 \| fine	29.415 \| good	16.9 \| good	0.194 \| good	15.187 \| good	0.282 \| good
2025-12-07T01:00:00.000Z	66 \| moderate	16.516 \| fine	37.304 \| good	9.016 \| good	0.287 \| good	24.251 \| good	0.343 \| good
2025-12-07T02:00:00.000Z	77 \| moderate	22.721 \| fine	44.688 \| good	8.215 \| good	0.546 \| good	24.224 \| good	0.416 \| good
2025-12-07T03:00:00.000Z	75 \| moderate	22.433 \| fine	47.896 \| good	6.127 \| good	0.794 \| good	22.51 \| good	0.399 \| good
2025-12-07T04:00:00.000Z	75 \| moderate	22.428 \| fine	49.016 \| good	5.543 \| good	1.24 \| good	22.267 \| good	0.438 \| good
2025-12-07T04:00:00.000Z	69 \| moderate	18.761 \| fine	74.816 \| fine	7.455 \| good	0.971 \| good	22.311 \| good	0.43 \| good
2025-12-07T02:00:00.000Z	71 \| moderate	20.136 \| fine	88.987 \| fine	3.454 \| good	3.247 \| good	24.838 \| good	0.343 \| good
2025-12-07T03:00:00.000Z	71 \| moderate	20.175 \| fine	89.043 \| fine	3.978 \| good	3.237 \| good	23.749 \| good	0.332 \| good
2025-12-07T04:00:00.000Z	64 \| moderate	16.008 \| fine	71.265 \| fine	6.303 \| good	3.204 \| good	19.053 \| good	0.292 \| good
2025-12-07T05:00:00.000Z	58 \| moderate	13.13 \| fine	59.248 \| fine	8.843 \| good	3.171 \| good	14.358 \| good	0.253 \| good
2025-12-07T06:00:00.000Z	58 \| moderate	13.151 \| fine	59.107 \| fine	9.071 \| good	3.138 \| good	9.663 \| good	0.214 \| good
2025-12-07T07:00:00.000Z	56 \| moderate	11.527 \| good	51.173 \| good	9.944 \| good	3.186 \| good	8.951 \| good	0.208 \| good
2025-12-07T08:00:00.000Z	56 \| moderate	11.902 \| good	52.275 \| good	9.577 \| good	3.235 \| good	8.239 \| good	0.202 \| good
2025-12-07T09:00:00.000Z	60 \| moderate	14.182 \| fine	62.951 \| fine	7.589 \| good	3.284 \| good	7.528 \| good	0.196 \| good
2025-12-07T10:00:00.000Z	62 \| moderate	14.615 \| fine	65.094 \| fine	6.199 \| good	3.393 \| good	10.144 \| good	0.213 \| good
2025-12-07T11:00:00.000Z	67 \| moderate	18.389 \| fine	81.004 \| fine	3.705 \| good	3.502 \| good	12.761 \| good	0.231 \| good
2025-12-07T12:00:00.000Z	73 \| moderate	20.928 \| fine	92.808 \| fine	2.465 \| good	3.612 \| good	15.377 \| good	0.248 \| good
2025-12-07T13:00:00.000Z	84 \| moderate	26.541 \| fine	114.609 \| fine	3.127 \| good	4.094 \| good	12.274 \| good	0.234 \| good
2025-12-07T14:00:00.000Z	77 \| moderate	23.366 \| fine	102.523 \| fine	7.041 \| good	4.576 \| good	9.171 \| good	0.22 \| good
2025-12-07T15:00:00.000Z	71 \| moderate	20.079 \| fine	88.623 \| fine	13.919 \| good	5.058 \| good	6.069 \| good	0.206 \| good
2025-12-07T16:00:00.000Z	64 \| moderate	16.38 \| fine	72.836 \| fine	18.247 \| good	5.336 \| good	5.885 \| good	0.204 \| good
2025-12-07T17:00:00.000Z	58 \| moderate	12.701 \| fine	56.859 \| fine	26.728 \| good	5.615 \| good	5.701 \| good	0.202 \| good
2025-12-07T18:00:00.000Z	49 \| good	9.123 \| good	41.103 \| good	31.796 \| good	5.893 \| good	5.518 \| good	0.201 \| good
2025-12-07T19:00:00.000Z	49 \| good	9.182 \| good	40.884 \| good	34.551 \| good	5.832 \| good	7.177 \| good	0.208 \| good
2025-12-07T20:00:00.000Z	56 \| moderate	11.633 \| good	50.851 \| good	33.636 \| good	5.772 \| good	8.836 \| good	0.215 \| good
2025-12-07T21:00:00.000Z	58 \| moderate	12.885 \| fine	58.785 \| fine	25.67 \| good	5.711 \| good	10.494 \| good	0.222 \| good
2025-12-07T22:00:00.000Z	60 \| moderate	14.332 \| fine	64.849 \| fine	15.841 \| good	5.419 \| good	15.427 \| good	0.278 \| good
2025-12-07T23:00:00.000Z	66 \| moderate	16.607 \| fine	73.077 \| fine	10.683 \| good	5.127 \| good	20.359 \| good	0.335 \| good
2025-12-08T00:00:00.000Z	69 \| moderate	18.958 \| fine	83.061 \| fine	3.342 \| good	4.835 \| good	25.291 \| good	0.391 \| good
2025-12-08T01:00:00.000Z	71 \| moderate	20.235 \| fine	88.908 \| fine	1.186 \| good	4.564 \| good	25.931 \| good	0.382 \| good
2025-12-08T02:00:00.000Z	71 \| moderate	19.935 \| fine	87.116 \| fine	2.2 \| good	4.293 \| good	26.571 \| good	0.373 \| good
2025-12-08T03:00:00.000Z	69 \| moderate	19.133 \| fine	85.053 \| fine	4.55 \| good	4.022 \| good	27.21 \| good	0.364 \| good
2025-12-08T04:00:00.000Z	64 \| moderate	15.865 \| fine	71.067 \| fine	6.533 \| good	4.053 \| good	24.132 \| good	0.335 \| good
2025-12-08T05:00:00.000Z	54 \| moderate	11.346 \| good	50.328 \| good	16.19 \| good	4.085 \| good	21.053 \| good	0.307 \| good
2025-12-08T06:00:00.000Z	49 \| good	9.25 \| good	41.103 \| good	23.553 \| good	4.116 \| good	17.974 \| good	0.279 \| good
2025-12-08T07:00:00.000Z	52 \| moderate	9.671 \| good	43.006 \| good	22.102 \| good	4.145 \| good	13.998 \| good	0.254 \| good
2025-12-08T08:00:00.000Z	27 \| good	5.448 \| good	23.147 \| good	22.774 \| good	4.174 \| good	10.021 \| good	0.229 \| good
2025-12-08T09:00:00.000Z	25 \| good	1.238 \| good	4.956 \| good	26.834 \| good	4.202 \| good	6.045 \| good	0.204 \| good
2025-12-08T10:00:00.000Z	24 \| good	0.38 \| good	1.061 \| good	25.797 \| good	3.155 \| good	5.215 \| good	0.19 \| good
2025-12-08T11:00:00.000Z	21 \| good	1.444 \| good	6.151 \| good	22.926 \| good	2.109 \| good	4.386 \| good	0.176 \| good
2025-12-08T12:00:00.000Z	19 \| good	2.07 \| good	8.192 \| good	20.109 \| good	1.062 \| good	3.556 \| good	0.162 \| good
2025-12-08T13:00:00.000Z	19 \| good	1.58 \| good	6.178 \| good	20.493 \| good	1.235 \| good	3.313 \| good	0.162 \| good
2025-12-08T14:00:00.000Z	23 \| good	1.077 \| good	4.152 \| good	24.72 \| good	1.409 \| good	3.07 \| good	0.163 \| good
2025-12-08T15:00:00.000Z	25 \| good	0.566 \| good	2.089 \| good	27.209 \| good	1.582 \| good	2.827 \| good	0.163 \| good
2025-12-08T16:00:00.000Z	25 \| good	0.558 \| good	2.062 \| good	26.862 \| good	1.584 \| good	2.601 \| good	0.16 \| good
2025-12-08T17:00:00.000Z	24 \| good	0.354 \| good	1.074 \| good	25.946 \| good	1.586 \| good	2.376 \| good	0.158 \| good
2025-12-08T18:00:00.000Z	24 \| good	0.282 \| good	1.032 \| good	25.857 \| good	1.588 \| good	2.15 \| good	0.155 \| good
2025-12-08T19:00:00.000Z	24 \| good	0.245 \| good	0.984 \| good	25.709 \| good	1.664 \| good	2.657 \| good	0.154 \| good
2025-12-08T20:00:00.000Z	25 \| good	0.765 \| good	3.048 \| good	27.375 \| good	1.74 \| good	3.163 \| good	0.154 \| good
2025-12-08T21:00:00.000Z	22 \| good	1.18 \| good	5.054 \| good	23.757 \| good	1.816 \| good	3.669 \| good	0.153 \| good
2025-12-08T22:00:00.000Z	18 \| good	2.404 \| good	10.054 \| good	18.84 \| good	1.882 \| good	6.701 \| good	0.173 \| good
2025-12-08T23:00:00.000Z	27 \| good	5.183 \| good	22.866 \| good	15.489 \| good	1.948 \| good	9.733 \| good	0.193 \| good
2025-12-09T00:00:00.000Z	38 \| good	7.449 \| good	8.141 \| good	23.523 \| good	2.024 \| good	12.924 \| good	0.214 \| good
2025-12-09T01:00:00.000Z	44 \| good	7.912 \| good	34.863 \| good	14.455 \| good	2.115 \| good	12.889 \| good	0.214 \| good

Baltimore

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

0.27ppm

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 2025-12-06.

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 09:00:00 on 2025-12-06.

What is the AQI in Baltimore, Maryland right now?

As of now, the AQI in Baltimore, Maryland is 54, indicating Moderate 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 10.543 μg/m³.

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

The PM₁₀ concentration in Baltimore, Maryland is 44.466 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 0.276 ppm.

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

Currently, Baltimore, Maryland has a sulfur dioxide (SO₂) concentration of 0.188 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 18.037 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 20.124 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T05:00:00.000Z	24 \| good	4.431 \| good	10.717 \| good	26.48 \| good	0.286 \| good	5.491 \| good	0.149 \| good
2025-12-05T06:00:00.000Z	27 \| good	3.417 \| good	8.016 \| good	28.532 \| good	0.227 \| good	4.495 \| good	0.144 \| good
2025-12-05T07:00:00.000Z	27 \| good	3.436 \| good	8.015 \| good	28.955 \| good	0.222 \| good	4.499 \| good	0.117 \| good
2025-12-05T08:00:00.000Z	28 \| good	3.216 \| good	8.879 \| good	30.489 \| good	0.117 \| good	3.242 \| good	0.117 \| good
2025-12-05T09:00:00.000Z	28 \| good	3.027 \| good	8.339 \| good	29.794 \| good	0.111 \| good	3.18 \| good	0.134 \| good
2025-12-05T10:00:00.000Z	27 \| good	3.028 \| good	7.979 \| good	29.103 \| good	0.114 \| good	3.595 \| good	0.134 \| good
2025-12-05T11:00:00.000Z	28 \| good	2.99 \| good	8.093 \| good	29.801 \| good	0.125 \| good	4.779 \| good	0.178 \| good
2025-12-05T12:00:00.000Z	30 \| good	2.813 \| good	7.975 \| good	31.701 \| good	0.197 \| good	4.579 \| good	0.178 \| good
2025-12-05T13:00:00.000Z	29 \| good	2.881 \| good	8.732 \| good	31.175 \| good	0.114 \| good	5.344 \| good	0.227 \| good
2025-12-05T14:00:00.000Z	29 \| good	3.053 \| good	9.778 \| good	30.856 \| good	0.124 \| good	5.261 \| good	0.227 \| good
2025-12-05T15:00:00.000Z	30 \| good	3.152 \| good	8.972 \| good	31.695 \| good	0.124 \| good	5.033 \| good	0.21 \| good
2025-12-05T16:00:00.000Z	30 \| good	3.07 \| good	8.072 \| good	32.448 \| good	0.11 \| good	5.282 \| good	0.227 \| good
2025-12-05T17:00:00.000Z	29 \| good	3.12 \| good	7.737 \| good	30.688 \| good	0.118 \| good	6.04 \| good	0.21 \| good
2025-12-05T18:00:00.000Z	25 \| good	3.982 \| good	9.297 \| good	26.833 \| good	0.453 \| good	7.631 \| good	0.21 \| good
2025-12-05T19:00:00.000Z	27 \| good	4.858 \| good	11.525 \| good	24.318 \| good	0.209 \| good	9.814 \| good	0.238 \| good
2025-12-05T20:00:00.000Z	27 \| good	5.09 \| good	12.087 \| good	22.263 \| good	0.255 \| good	10.681 \| good	0.261 \| good
2025-12-05T21:00:00.000Z	33 \| good	5.756 \| good	12.863 \| good	19.594 \| good	0.135 \| good	11.478 \| good	0.244 \| good
2025-12-05T22:00:00.000Z	33 \| good	6.159 \| good	13.937 \| good	19.889 \| good	0.115 \| good	10.815 \| good	0.244 \| good
2025-12-05T23:00:00.000Z	38 \| good	6.595 \| good	14.346 \| good	19.56 \| good	0.115 \| good	9.366 \| good	0.278 \| good
2025-12-06T00:00:00.000Z	44 \| good	8.353 \| good	19.512 \| good	19.024 \| good	0.118 \| good	9.205 \| good	0.293 \| good
2025-12-06T01:00:00.000Z	52 \| moderate	10.146 \| good	23.784 \| good	18.38 \| good	0.112 \| good	11.95 \| good	0.266 \| good
2025-12-06T02:00:00.000Z	56 \| moderate	11.654 \| good	27.369 \| good	17.341 \| good	0.122 \| good	12.003 \| good	0.266 \| good
2025-12-06T03:00:00.000Z	56 \| moderate	12.451 \| fine	30.677 \| good	16.914 \| good	0.114 \| good	11.411 \| good	0.266 \| good
2025-12-06T04:00:00.000Z	58 \| moderate	12.777 \| fine	30.311 \| good	14.938 \| good	0.108 \| good	10.909 \| good	0.243 \| good
2025-12-06T05:00:00.000Z	60 \| moderate	13.534 \| fine	33.059 \| good	13.417 \| good	0.138 \| good	11.582 \| good	0.249 \| good
2025-12-06T06:00:00.000Z	60 \| moderate	14.098 \| fine	35.594 \| good	13.21 \| good	0.103 \| good	12.256 \| good	0.21 \| good
2025-12-06T07:00:00.000Z	60 \| moderate	14.123 \| fine	36.328 \| good	13.03 \| good	0.105 \| good	12.235 \| good	0.21 \| good
2025-12-06T08:00:00.000Z	62 \| moderate	15.108 \| fine	38.596 \| good	9.649 \| good	0.111 \| good	14.817 \| good	0.266 \| good
2025-12-06T09:00:00.000Z	62 \| moderate	15.125 \| fine	36.896 \| good	10.172 \| good	0.111 \| good	14.688 \| good	0.243 \| good
2025-12-06T10:00:00.000Z	64 \| moderate	15.95 \| fine	38.712 \| good	9.368 \| good	0.121 \| good	13.133 \| good	0.243 \| good
2025-12-06T11:00:00.000Z	64 \| moderate	16.452 \| fine	39.994 \| good	9.956 \| good	0.123 \| good	11.335 \| good	0.244 \| good
2025-12-06T12:00:00.000Z	67 \| moderate	18.337 \| fine	43.707 \| good	7.81 \| good	0.1 \| good	13.978 \| good	0.255 \| good
2025-12-06T13:00:00.000Z	67 \| moderate	18.228 \| fine	43.276 \| good	8.32 \| good	0.104 \| good	13.585 \| good	0.272 \| good
2025-12-06T14:00:00.000Z	73 \| moderate	21.401 \| fine	45.232 \| good	9.582 \| good	0.189 \| good	15.935 \| good	0.355 \| good
2025-12-06T15:00:00.000Z	77 \| moderate	22.894 \| fine	47.556 \| good	7.915 \| good	0.272 \| good	16.409 \| good	0.355 \| good
2025-12-06T16:00:00.000Z	81 \| moderate	24.715 \| fine	50.376 \| good	8.373 \| good	0.439 \| good	14.733 \| good	0.31 \| good
2025-12-06T17:00:00.000Z	75 \| moderate	21.613 \| fine	43.966 \| good	11.699 \| good	0.368 \| good	11.774 \| good	0.31 \| good
2025-12-06T18:00:00.000Z	69 \| moderate	19.432 \| fine	39.803 \| good	13.237 \| good	0.458 \| good	11.904 \| good	0.26 \| good
2025-12-06T19:00:00.000Z	66 \| moderate	17.264 \| fine	34.146 \| good	15.498 \| good	0.508 \| good	10.167 \| good	0.2 \| good
2025-12-06T20:00:00.000Z	64 \| moderate	15.833 \| fine	28.554 \| good	15.915 \| good	0.434 \| good	9.911 \| good	0.183 \| good
2025-12-06T21:00:00.000Z	60 \| moderate	13.513 \| fine	23.536 \| good	17.124 \| good	0.274 \| good	8.982 \| good	0.166 \| good
2025-12-06T22:00:00.000Z	58 \| moderate	13.12 \| fine	24.878 \| good	13.873 \| good	0.197 \| good	12.831 \| good	0.183 \| good
2025-12-06T23:00:00.000Z	56 \| moderate	11.753 \| good	26.745 \| good	16.506 \| good	0.193 \| good	12.896 \| good	0.166 \| good
2025-12-07T00:00:00.000Z	56 \| moderate	12.186 \| fine	29.415 \| good	16.9 \| good	0.194 \| good	15.187 \| good	0.282 \| good
2025-12-07T01:00:00.000Z	66 \| moderate	16.516 \| fine	37.304 \| good	9.016 \| good	0.287 \| good	24.251 \| good	0.343 \| good
2025-12-07T02:00:00.000Z	77 \| moderate	22.721 \| fine	44.688 \| good	8.215 \| good	0.546 \| good	24.224 \| good	0.416 \| good
2025-12-07T03:00:00.000Z	75 \| moderate	22.433 \| fine	47.896 \| good	6.127 \| good	0.794 \| good	22.51 \| good	0.399 \| good
2025-12-07T04:00:00.000Z	75 \| moderate	22.428 \| fine	49.016 \| good	5.543 \| good	1.24 \| good	22.267 \| good	0.438 \| good
2025-12-07T04:00:00.000Z	69 \| moderate	18.761 \| fine	74.816 \| fine	7.455 \| good	0.971 \| good	22.311 \| good	0.43 \| good
2025-12-07T02:00:00.000Z	71 \| moderate	20.136 \| fine	88.987 \| fine	3.454 \| good	3.247 \| good	24.838 \| good	0.343 \| good
2025-12-07T03:00:00.000Z	71 \| moderate	20.175 \| fine	89.043 \| fine	3.978 \| good	3.237 \| good	23.749 \| good	0.332 \| good
2025-12-07T04:00:00.000Z	64 \| moderate	16.008 \| fine	71.265 \| fine	6.303 \| good	3.204 \| good	19.053 \| good	0.292 \| good
2025-12-07T05:00:00.000Z	58 \| moderate	13.13 \| fine	59.248 \| fine	8.843 \| good	3.171 \| good	14.358 \| good	0.253 \| good
2025-12-07T06:00:00.000Z	58 \| moderate	13.151 \| fine	59.107 \| fine	9.071 \| good	3.138 \| good	9.663 \| good	0.214 \| good
2025-12-07T07:00:00.000Z	56 \| moderate	11.527 \| good	51.173 \| good	9.944 \| good	3.186 \| good	8.951 \| good	0.208 \| good
2025-12-07T08:00:00.000Z	56 \| moderate	11.902 \| good	52.275 \| good	9.577 \| good	3.235 \| good	8.239 \| good	0.202 \| good
2025-12-07T09:00:00.000Z	60 \| moderate	14.182 \| fine	62.951 \| fine	7.589 \| good	3.284 \| good	7.528 \| good	0.196 \| good
2025-12-07T10:00:00.000Z	62 \| moderate	14.615 \| fine	65.094 \| fine	6.199 \| good	3.393 \| good	10.144 \| good	0.213 \| good
2025-12-07T11:00:00.000Z	67 \| moderate	18.389 \| fine	81.004 \| fine	3.705 \| good	3.502 \| good	12.761 \| good	0.231 \| good
2025-12-07T12:00:00.000Z	73 \| moderate	20.928 \| fine	92.808 \| fine	2.465 \| good	3.612 \| good	15.377 \| good	0.248 \| good
2025-12-07T13:00:00.000Z	84 \| moderate	26.541 \| fine	114.609 \| fine	3.127 \| good	4.094 \| good	12.274 \| good	0.234 \| good
2025-12-07T14:00:00.000Z	77 \| moderate	23.366 \| fine	102.523 \| fine	7.041 \| good	4.576 \| good	9.171 \| good	0.22 \| good
2025-12-07T15:00:00.000Z	71 \| moderate	20.079 \| fine	88.623 \| fine	13.919 \| good	5.058 \| good	6.069 \| good	0.206 \| good
2025-12-07T16:00:00.000Z	64 \| moderate	16.38 \| fine	72.836 \| fine	18.247 \| good	5.336 \| good	5.885 \| good	0.204 \| good
2025-12-07T17:00:00.000Z	58 \| moderate	12.701 \| fine	56.859 \| fine	26.728 \| good	5.615 \| good	5.701 \| good	0.202 \| good
2025-12-07T18:00:00.000Z	49 \| good	9.123 \| good	41.103 \| good	31.796 \| good	5.893 \| good	5.518 \| good	0.201 \| good
2025-12-07T19:00:00.000Z	49 \| good	9.182 \| good	40.884 \| good	34.551 \| good	5.832 \| good	7.177 \| good	0.208 \| good
2025-12-07T20:00:00.000Z	56 \| moderate	11.633 \| good	50.851 \| good	33.636 \| good	5.772 \| good	8.836 \| good	0.215 \| good
2025-12-07T21:00:00.000Z	58 \| moderate	12.885 \| fine	58.785 \| fine	25.67 \| good	5.711 \| good	10.494 \| good	0.222 \| good
2025-12-07T22:00:00.000Z	60 \| moderate	14.332 \| fine	64.849 \| fine	15.841 \| good	5.419 \| good	15.427 \| good	0.278 \| good
2025-12-07T23:00:00.000Z	66 \| moderate	16.607 \| fine	73.077 \| fine	10.683 \| good	5.127 \| good	20.359 \| good	0.335 \| good
2025-12-08T00:00:00.000Z	69 \| moderate	18.958 \| fine	83.061 \| fine	3.342 \| good	4.835 \| good	25.291 \| good	0.391 \| good
2025-12-08T01:00:00.000Z	71 \| moderate	20.235 \| fine	88.908 \| fine	1.186 \| good	4.564 \| good	25.931 \| good	0.382 \| good
2025-12-08T02:00:00.000Z	71 \| moderate	19.935 \| fine	87.116 \| fine	2.2 \| good	4.293 \| good	26.571 \| good	0.373 \| good
2025-12-08T03:00:00.000Z	69 \| moderate	19.133 \| fine	85.053 \| fine	4.55 \| good	4.022 \| good	27.21 \| good	0.364 \| good
2025-12-08T04:00:00.000Z	64 \| moderate	15.865 \| fine	71.067 \| fine	6.533 \| good	4.053 \| good	24.132 \| good	0.335 \| good
2025-12-08T05:00:00.000Z	54 \| moderate	11.346 \| good	50.328 \| good	16.19 \| good	4.085 \| good	21.053 \| good	0.307 \| good
2025-12-08T06:00:00.000Z	49 \| good	9.25 \| good	41.103 \| good	23.553 \| good	4.116 \| good	17.974 \| good	0.279 \| good
2025-12-08T07:00:00.000Z	52 \| moderate	9.671 \| good	43.006 \| good	22.102 \| good	4.145 \| good	13.998 \| good	0.254 \| good
2025-12-08T08:00:00.000Z	27 \| good	5.448 \| good	23.147 \| good	22.774 \| good	4.174 \| good	10.021 \| good	0.229 \| good
2025-12-08T09:00:00.000Z	25 \| good	1.238 \| good	4.956 \| good	26.834 \| good	4.202 \| good	6.045 \| good	0.204 \| good
2025-12-08T10:00:00.000Z	24 \| good	0.38 \| good	1.061 \| good	25.797 \| good	3.155 \| good	5.215 \| good	0.19 \| good
2025-12-08T11:00:00.000Z	21 \| good	1.444 \| good	6.151 \| good	22.926 \| good	2.109 \| good	4.386 \| good	0.176 \| good
2025-12-08T12:00:00.000Z	19 \| good	2.07 \| good	8.192 \| good	20.109 \| good	1.062 \| good	3.556 \| good	0.162 \| good
2025-12-08T13:00:00.000Z	19 \| good	1.58 \| good	6.178 \| good	20.493 \| good	1.235 \| good	3.313 \| good	0.162 \| good
2025-12-08T14:00:00.000Z	23 \| good	1.077 \| good	4.152 \| good	24.72 \| good	1.409 \| good	3.07 \| good	0.163 \| good
2025-12-08T15:00:00.000Z	25 \| good	0.566 \| good	2.089 \| good	27.209 \| good	1.582 \| good	2.827 \| good	0.163 \| good
2025-12-08T16:00:00.000Z	25 \| good	0.558 \| good	2.062 \| good	26.862 \| good	1.584 \| good	2.601 \| good	0.16 \| good
2025-12-08T17:00:00.000Z	24 \| good	0.354 \| good	1.074 \| good	25.946 \| good	1.586 \| good	2.376 \| good	0.158 \| good
2025-12-08T18:00:00.000Z	24 \| good	0.282 \| good	1.032 \| good	25.857 \| good	1.588 \| good	2.15 \| good	0.155 \| good
2025-12-08T19:00:00.000Z	24 \| good	0.245 \| good	0.984 \| good	25.709 \| good	1.664 \| good	2.657 \| good	0.154 \| good
2025-12-08T20:00:00.000Z	25 \| good	0.765 \| good	3.048 \| good	27.375 \| good	1.74 \| good	3.163 \| good	0.154 \| good
2025-12-08T21:00:00.000Z	22 \| good	1.18 \| good	5.054 \| good	23.757 \| good	1.816 \| good	3.669 \| good	0.153 \| good
2025-12-08T22:00:00.000Z	18 \| good	2.404 \| good	10.054 \| good	18.84 \| good	1.882 \| good	6.701 \| good	0.173 \| good
2025-12-08T23:00:00.000Z	27 \| good	5.183 \| good	22.866 \| good	15.489 \| good	1.948 \| good	9.733 \| good	0.193 \| good
2025-12-09T00:00:00.000Z	38 \| good	7.449 \| good	8.141 \| good	23.523 \| good	2.024 \| good	12.924 \| good	0.214 \| good
2025-12-09T01:00:00.000Z	44 \| good	7.912 \| good	34.863 \| good	14.455 \| good	2.115 \| good	12.889 \| good	0.214 \| 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

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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?