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

The PM10 concentration in Baltimore, Maryland is 41.264 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 0.229 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 29.897 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 7.934 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)

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)

10.14 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

39.95 μg/m³

155

255

425

605+

Ozone (O₃)

11.48 ppb

201

201+

Sulfur Dioxide (SO₂)

0.33 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

10.50 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.36 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
2025-07-27T13:00:00.000Z	60 \| moderate	12.878 \| fine	74.346 \| fine	25.137 \| good	0.155 \| good	6.365 \| good	0.239 \| good
2025-07-27T14:00:00.000Z	59 \| moderate	12.023 \| good	71.809 \| fine	30.714 \| good	0.18 \| good	4.44 \| good	0.194 \| good
2025-07-27T15:00:00.000Z	52 \| moderate	10.394 \| good	52.112 \| good	35.587 \| good	0.364 \| good	2.828 \| good	0.218 \| good
2025-07-27T16:00:00.000Z	58 \| moderate	12.6 \| fine	56.379 \| fine	39.173 \| good	0.135 \| good	2.139 \| good	0.218 \| good
2025-07-27T17:00:00.000Z	58 \| moderate	12.58 \| fine	51.889 \| good	39.905 \| good	0.518 \| good	2.368 \| good	0.194 \| good
2025-07-27T18:00:00.000Z	56 \| moderate	11.564 \| good	47.619 \| good	36.952 \| good	0.304 \| good	2.446 \| good	0.194 \| good
2025-07-27T19:00:00.000Z	52 \| moderate	10.252 \| good	44.189 \| good	38.25 \| good	0.129 \| good	3.048 \| good	0.194 \| good
2025-07-27T20:00:00.000Z	44 \| good	7.675 \| good	30.386 \| good	41.018 \| good	0.141 \| good	3.526 \| good	0.239 \| good
2025-07-27T21:00:00.000Z	35 \| good	6.151 \| good	27.7 \| good	38.378 \| good	0.224 \| good	4.93 \| good	0.226 \| good
2025-07-27T22:00:00.000Z	35 \| good	5.508 \| good	24.97 \| good	38.419 \| good	0.196 \| good	3.682 \| good	0.253 \| good
2025-07-27T23:00:00.000Z	33 \| good	5.727 \| good	24.183 \| good	32.589 \| good	0.239 \| good	4.945 \| good	0.28 \| good
2025-07-28T00:00:00.000Z	33 \| good	5.791 \| good	24.873 \| good	28.278 \| good	0.244 \| good	5.907 \| good	0.28 \| good
2025-07-28T01:00:00.000Z	27 \| good	4.935 \| good	20.825 \| good	27.265 \| good	0.205 \| good	5.725 \| good	0.25 \| good
2025-07-28T02:00:00.000Z	27 \| good	5.049 \| good	20.756 \| good	21.829 \| good	0.277 \| good	5.979 \| good	0.234 \| good
2025-07-28T03:00:00.000Z	27 \| good	5.093 \| good	21.154 \| good	18.787 \| good	0.247 \| good	6.799 \| good	0.226 \| good
2025-07-28T04:00:00.000Z	27 \| good	5.305 \| good	21.49 \| good	15.723 \| good	0.251 \| good	7.096 \| good	0.25 \| good
2025-07-28T05:00:00.000Z	27 \| good	5.204 \| good	24.89 \| good	12.518 \| good	0.185 \| good	7.538 \| good	0.234 \| good
2025-07-28T06:00:00.000Z	22 \| good	4.351 \| good	19.502 \| good	11.593 \| good	0.254 \| good	6.837 \| good	0.205 \| good
2025-07-28T07:00:00.000Z	27 \| good	4.847 \| good	20.867 \| good	12.549 \| good	0.269 \| good	5.786 \| good	0.181 \| good
2025-07-28T08:00:00.000Z	22 \| good	4.352 \| good	18.142 \| good	14.33 \| good	0.198 \| good	4.573 \| good	0.181 \| good
2025-07-28T09:00:00.000Z	27 \| good	4.883 \| good	20.807 \| good	14.877 \| good	0.154 \| good	3.88 \| good	0.204 \| good
2025-07-28T10:00:00.000Z	22 \| good	4.44 \| good	18.926 \| good	16.196 \| good	0.146 \| good	5.767 \| good	0.204 \| good
2025-07-28T11:00:00.000Z	22 \| good	4.465 \| good	19.471 \| good	17.249 \| good	0.225 \| good	7.159 \| good	0.204 \| good
2025-07-28T12:00:00.000Z	27 \| good	5.284 \| good	21.54 \| good	20.262 \| good	0.27 \| good	6.652 \| good	0.19 \| good
2025-07-28T13:00:00.000Z	33 \| good	5.811 \| good	24.629 \| good	26.805 \| good	0.513 \| good	4.996 \| good	0.194 \| good
2025-07-28T14:00:00.000Z	33 \| good	6.427 \| good	24.175 \| good	32.348 \| good	0.205 \| good	3.733 \| good	0.165 \| good
2025-07-28T15:00:00.000Z	38 \| good	7.078 \| good	28.67 \| good	38.117 \| good	0.194 \| good	2.931 \| good	0.208 \| good
2025-07-28T16:00:00.000Z	44 \| good	7.643 \| good	33.969 \| good	41.333 \| good	0.144 \| good	2.685 \| good	0.208 \| good
2025-07-28T17:00:00.000Z	44 \| good	7.76 \| good	29.435 \| good	45.068 \| good	0.145 \| good	2.467 \| good	0.208 \| good
2025-07-28T18:00:00.000Z	44 \| good	8.119 \| good	30.523 \| good	45.75 \| good	0.253 \| good	2.255 \| good	0.163 \| good
2025-07-28T19:00:00.000Z	43 \| good	7.387 \| good	31.042 \| good	46.498 \| good	0.238 \| good	2.029 \| good	0.149 \| good
2025-07-28T20:00:00.000Z	43 \| good	6.612 \| good	24.362 \| good	46.428 \| good	0.221 \| good	2.173 \| good	0.163 \| good
2025-07-28T21:00:00.000Z	43 \| good	5.536 \| good	24.115 \| good	46.148 \| good	0.271 \| good	2.469 \| good	0.179 \| good
2025-07-28T22:00:00.000Z	44 \| good	6.12 \| good	27.362 \| good	46.818 \| good	0.186 \| good	2.29 \| good	0.179 \| good
2025-07-28T23:00:00.000Z	44 \| good	7.755 \| good	31.233 \| good	47.201 \| good	0.23 \| good	2.956 \| good	0.179 \| good
2025-07-29T00:00:00.000Z	43 \| good	7.32 \| good	29.367 \| good	46.323 \| good	0.241 \| good	3.493 \| good	0.195 \| good
2025-07-29T01:00:00.000Z	41 \| good	7.03 \| good	27.622 \| good	43.798 \| good	0.195 \| good	6.986 \| good	0.216 \| good
2025-07-29T02:00:00.000Z	38 \| good	7.157 \| good	27.828 \| good	37.883 \| good	0.223 \| good	12.794 \| good	0.262 \| good
2025-07-29T03:00:00.000Z	49 \| good	9.424 \| good	38.469 \| good	29.379 \| good	0.232 \| good	14.777 \| good	0.297 \| good
2025-07-29T04:00:00.000Z	52 \| moderate	9.714 \| good	37.92 \| good	30.276 \| good	0.246 \| good	11.367 \| good	0.297 \| good
2025-07-29T05:00:00.000Z	49 \| good	9.146 \| good	37.111 \| good	22.486 \| good	0.253 \| good	13.696 \| good	0.329 \| good
2025-07-29T06:00:00.000Z	54 \| moderate	10.595 \| good	44.363 \| good	18.662 \| good	0.246 \| good	12.394 \| good	0.328 \| good
2025-07-29T07:00:00.000Z	52 \| moderate	9.802 \| good	34.368 \| good	13.076 \| good	0.348 \| good	12.837 \| good	0.344 \| good
2025-07-29T08:00:00.000Z	49 \| good	9.491 \| good	31.536 \| good	12.652 \| good	0.359 \| good	12.341 \| good	0.344 \| good
2025-07-29T09:00:00.000Z	52 \| moderate	10.265 \| good	42.831 \| good	10.4 \| good	0.34 \| good	10.77 \| good	0.328 \| good
2025-07-29T10:00:00.000Z	52 \| moderate	10.443 \| good	41.034 \| good	11.955 \| good	0.283 \| good	9.642 \| good	0.344 \| good
2025-07-29T11:00:00.000Z	52 \| moderate	10.14 \| good	39.955 \| good	11.482 \| good	0.33 \| good	10.497 \| good	0.359 \| good
2025-07-29T12:00:00.000Z	52 \| moderate	10.14 \| good	39.955 \| good	11.482 \| good	0.33 \| good	10.497 \| good	0.359 \| good
2025-07-25T16:00:00.000Z	67 \| moderate	8.22 \| good	36.393 \| good	59.891 \| fine	3.418 \| good	2.152 \| good	0.232 \| good
2025-07-25T17:00:00.000Z	74 \| moderate	9.764 \| good	43.22 \| good	61.789 \| fine	3.107 \| good	1.913 \| good	0.225 \| good
2025-07-25T18:00:00.000Z	77 \| moderate	10.925 \| good	48.045 \| good	62.903 \| fine	2.795 \| good	1.674 \| good	0.218 \| good
2025-07-25T19:00:00.000Z	64 \| moderate	8.712 \| good	38.034 \| good	58.789 \| fine	2.448 \| good	1.809 \| good	0.214 \| good
2025-07-25T20:00:00.000Z	54 \| moderate	8.185 \| good	36.021 \| good	56.391 \| fine	2.1 \| good	1.945 \| good	0.21 \| good
2025-07-25T21:00:00.000Z	58 \| moderate	7.096 \| good	31.149 \| good	57.368 \| fine	1.753 \| good	2.08 \| good	0.206 \| good
2025-07-25T22:00:00.000Z	61 \| moderate	7.084 \| good	31.108 \| good	57.55 \| fine	1.772 \| good	3.486 \| good	0.216 \| good
2025-07-25T23:00:00.000Z	49 \| good	8.073 \| good	35.006 \| good	53.299 \| good	1.791 \| good	4.892 \| good	0.227 \| good
2025-07-26T00:00:00.000Z	44 \| good	7.374 \| good	32.366 \| good	46.534 \| good	1.81 \| good	6.298 \| good	0.237 \| good
2025-07-26T01:00:00.000Z	35 \| good	4.432 \| good	19.518 \| good	38.095 \| good	1.894 \| good	8.299 \| good	0.256 \| good
2025-07-26T02:00:00.000Z	31 \| good	4.783 \| good	21.245 \| good	33.978 \| good	1.979 \| good	10.3 \| good	0.275 \| good
2025-07-26T03:00:00.000Z	40 \| good	4.043 \| good	18.127 \| good	42.704 \| good	2.063 \| good	12.301 \| good	0.294 \| good
2025-07-26T04:00:00.000Z	36 \| good	5.13 \| good	22.011 \| good	39.091 \| good	1.904 \| good	10.995 \| good	0.283 \| good
2025-07-26T05:00:00.000Z	32 \| good	3.882 \| good	17.066 \| good	34.543 \| good	1.745 \| good	9.69 \| good	0.272 \| good
2025-07-26T06:00:00.000Z	26 \| good	3.967 \| good	17.136 \| good	27.763 \| good	1.586 \| good	8.384 \| good	0.261 \| good
2025-07-26T07:00:00.000Z	33 \| good	5.815 \| good	25.039 \| good	23.888 \| good	1.541 \| good	7.275 \| good	0.242 \| good
2025-07-26T08:00:00.000Z	27 \| good	5.358 \| good	23.291 \| good	22.447 \| good	1.496 \| good	6.167 \| good	0.222 \| good
2025-07-26T09:00:00.000Z	27 \| good	5.211 \| good	22.404 \| good	18.928 \| good	1.452 \| good	5.059 \| good	0.202 \| good
2025-07-26T10:00:00.000Z	22 \| good	4.136 \| good	18.222 \| good	18.672 \| good	1.637 \| good	4.817 \| good	0.199 \| good
2025-07-26T11:00:00.000Z	21 \| good	3.339 \| good	14.385 \| good	23.492 \| good	1.823 \| good	4.575 \| good	0.197 \| good
2025-07-26T12:00:00.000Z	28 \| good	2.854 \| good	11.435 \| good	29.698 \| good	2.009 \| good	4.334 \| good	0.195 \| good
2025-07-26T13:00:00.000Z	33 \| good	3.046 \| good	12.391 \| good	35.669 \| good	2.262 \| good	3.631 \| good	0.197 \| good
2025-07-26T14:00:00.000Z	38 \| good	3.473 \| good	15.174 \| good	41.369 \| good	2.515 \| good	2.929 \| good	0.199 \| good
2025-07-26T15:00:00.000Z	43 \| good	4.697 \| good	20.28 \| good	45.617 \| good	2.768 \| good	2.226 \| good	0.201 \| good
2025-07-26T16:00:00.000Z	48 \| good	5.327 \| good	23.307 \| good	51.54 \| good	2.579 \| good	1.984 \| good	0.196 \| good
2025-07-26T17:00:00.000Z	58 \| moderate	7.015 \| good	31.176 \| good	56.882 \| fine	2.391 \| good	1.742 \| good	0.192 \| good
2025-07-26T18:00:00.000Z	67 \| moderate	7.505 \| good	33.239 \| good	60.066 \| fine	2.202 \| good	1.499 \| good	0.188 \| good
2025-07-26T19:00:00.000Z	77 \| moderate	8.66 \| good	38.101 \| good	62.958 \| fine	1.994 \| good	1.765 \| good	0.188 \| good
2025-07-26T20:00:00.000Z	80 \| moderate	8.469 \| good	37.276 \| good	64.146 \| fine	1.787 \| good	2.031 \| good	0.188 \| good
2025-07-26T21:00:00.000Z	74 \| moderate	8.067 \| good	35.332 \| good	62.279 \| fine	1.579 \| good	2.297 \| good	0.188 \| good
2025-07-26T22:00:00.000Z	64 \| moderate	8.391 \| good	37.216 \| good	59.027 \| fine	1.573 \| good	3.482 \| good	0.199 \| good
2025-07-26T23:00:00.000Z	54 \| moderate	9.472 \| good	42.021 \| good	56.069 \| fine	1.568 \| good	4.668 \| good	0.21 \| good
2025-07-27T00:00:00.000Z	46 \| good	7.995 \| good	35.261 \| good	50.39 \| good	1.562 \| good	5.853 \| good	0.221 \| good
2025-07-27T01:00:00.000Z	49 \| good	9.246 \| good	41.176 \| good	41.473 \| good	1.476 \| good	6.109 \| good	0.224 \| good
2025-07-27T02:00:00.000Z	44 \| good	7.532 \| good	33.308 \| good	34.782 \| good	1.391 \| good	6.365 \| good	0.226 \| good
2025-07-27T03:00:00.000Z	33 \| good	6.319 \| good	28.292 \| good	31.723 \| good	1.305 \| good	6.62 \| good	0.228 \| good
2025-07-27T04:00:00.000Z	33 \| good	6.404 \| good	28.944 \| good	31.456 \| good	1.277 \| good	5.95 \| good	0.228 \| good
2025-07-27T05:00:00.000Z	33 \| good	6.066 \| good	26.923 \| good	28.833 \| good	1.25 \| good	5.28 \| good	0.227 \| good
2025-07-27T06:00:00.000Z	27 \| good	5.316 \| good	23.166 \| good	28.188 \| good	1.222 \| good	4.61 \| good	0.227 \| good
2025-07-27T07:00:00.000Z	38 \| good	6.705 \| good	29.923 \| good	28.313 \| good	1.23 \| good	4.475 \| good	0.224 \| good
2025-07-27T08:00:00.000Z	33 \| good	6.411 \| good	28.995 \| good	28.217 \| good	1.238 \| good	4.34 \| good	0.222 \| good
2025-07-27T09:00:00.000Z	38 \| good	6.813 \| good	30.066 \| good	26.068 \| good	1.246 \| good	4.205 \| good	0.22 \| good
2025-07-27T10:00:00.000Z	38 \| good	7.337 \| good	31.943 \| good	15.321 \| good	1.393 \| good	4.123 \| good	0.218 \| good
2025-07-27T11:00:00.000Z	33 \| good	5.989 \| good	26.876 \| good	20.436 \| good	1.54 \| good	4.042 \| good	0.216 \| good
2025-07-27T12:00:00.000Z	27 \| good	4.736 \| good	21.023 \| good	28.194 \| good	1.687 \| good	3.961 \| good	0.214 \| good
2025-07-27T13:00:00.000Z	27 \| good	2.714 \| good	11.356 \| good	28.829 \| good	1.867 \| good	3.515 \| good	0.221 \| good
2025-07-27T14:00:00.000Z	29 \| good	3.814 \| good	16.211 \| good	30.683 \| good	2.048 \| good	3.068 \| good	0.229 \| good
2025-07-27T15:00:00.000Z	37 \| good	4.283 \| good	19.13 \| good	40.247 \| good	2.228 \| good	2.622 \| good	0.237 \| good

Baltimore

Get reliable air quality data to drive your business

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

0.33ppm

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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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 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 09:00:00 on 2025-07-24.

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 03:00:00 on 2025-07-24.

What is the AQI in Baltimore, Maryland right now?

As of now, the AQI in Baltimore, Maryland is 52, 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 10.124 μg/m³.

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

The PM₁₀ concentration in Baltimore, Maryland is 41.264 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 0.334 ppm.

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

Currently, Baltimore, Maryland has a sulfur dioxide (SO₂) concentration of 0.229 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 29.897 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 7.934 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-27T13:00:00.000Z	60 \| moderate	12.878 \| fine	74.346 \| fine	25.137 \| good	0.155 \| good	6.365 \| good	0.239 \| good
2025-07-27T14:00:00.000Z	59 \| moderate	12.023 \| good	71.809 \| fine	30.714 \| good	0.18 \| good	4.44 \| good	0.194 \| good
2025-07-27T15:00:00.000Z	52 \| moderate	10.394 \| good	52.112 \| good	35.587 \| good	0.364 \| good	2.828 \| good	0.218 \| good
2025-07-27T16:00:00.000Z	58 \| moderate	12.6 \| fine	56.379 \| fine	39.173 \| good	0.135 \| good	2.139 \| good	0.218 \| good
2025-07-27T17:00:00.000Z	58 \| moderate	12.58 \| fine	51.889 \| good	39.905 \| good	0.518 \| good	2.368 \| good	0.194 \| good
2025-07-27T18:00:00.000Z	56 \| moderate	11.564 \| good	47.619 \| good	36.952 \| good	0.304 \| good	2.446 \| good	0.194 \| good
2025-07-27T19:00:00.000Z	52 \| moderate	10.252 \| good	44.189 \| good	38.25 \| good	0.129 \| good	3.048 \| good	0.194 \| good
2025-07-27T20:00:00.000Z	44 \| good	7.675 \| good	30.386 \| good	41.018 \| good	0.141 \| good	3.526 \| good	0.239 \| good
2025-07-27T21:00:00.000Z	35 \| good	6.151 \| good	27.7 \| good	38.378 \| good	0.224 \| good	4.93 \| good	0.226 \| good
2025-07-27T22:00:00.000Z	35 \| good	5.508 \| good	24.97 \| good	38.419 \| good	0.196 \| good	3.682 \| good	0.253 \| good
2025-07-27T23:00:00.000Z	33 \| good	5.727 \| good	24.183 \| good	32.589 \| good	0.239 \| good	4.945 \| good	0.28 \| good
2025-07-28T00:00:00.000Z	33 \| good	5.791 \| good	24.873 \| good	28.278 \| good	0.244 \| good	5.907 \| good	0.28 \| good
2025-07-28T01:00:00.000Z	27 \| good	4.935 \| good	20.825 \| good	27.265 \| good	0.205 \| good	5.725 \| good	0.25 \| good
2025-07-28T02:00:00.000Z	27 \| good	5.049 \| good	20.756 \| good	21.829 \| good	0.277 \| good	5.979 \| good	0.234 \| good
2025-07-28T03:00:00.000Z	27 \| good	5.093 \| good	21.154 \| good	18.787 \| good	0.247 \| good	6.799 \| good	0.226 \| good
2025-07-28T04:00:00.000Z	27 \| good	5.305 \| good	21.49 \| good	15.723 \| good	0.251 \| good	7.096 \| good	0.25 \| good
2025-07-28T05:00:00.000Z	27 \| good	5.204 \| good	24.89 \| good	12.518 \| good	0.185 \| good	7.538 \| good	0.234 \| good
2025-07-28T06:00:00.000Z	22 \| good	4.351 \| good	19.502 \| good	11.593 \| good	0.254 \| good	6.837 \| good	0.205 \| good
2025-07-28T07:00:00.000Z	27 \| good	4.847 \| good	20.867 \| good	12.549 \| good	0.269 \| good	5.786 \| good	0.181 \| good
2025-07-28T08:00:00.000Z	22 \| good	4.352 \| good	18.142 \| good	14.33 \| good	0.198 \| good	4.573 \| good	0.181 \| good
2025-07-28T09:00:00.000Z	27 \| good	4.883 \| good	20.807 \| good	14.877 \| good	0.154 \| good	3.88 \| good	0.204 \| good
2025-07-28T10:00:00.000Z	22 \| good	4.44 \| good	18.926 \| good	16.196 \| good	0.146 \| good	5.767 \| good	0.204 \| good
2025-07-28T11:00:00.000Z	22 \| good	4.465 \| good	19.471 \| good	17.249 \| good	0.225 \| good	7.159 \| good	0.204 \| good
2025-07-28T12:00:00.000Z	27 \| good	5.284 \| good	21.54 \| good	20.262 \| good	0.27 \| good	6.652 \| good	0.19 \| good
2025-07-28T13:00:00.000Z	33 \| good	5.811 \| good	24.629 \| good	26.805 \| good	0.513 \| good	4.996 \| good	0.194 \| good
2025-07-28T14:00:00.000Z	33 \| good	6.427 \| good	24.175 \| good	32.348 \| good	0.205 \| good	3.733 \| good	0.165 \| good
2025-07-28T15:00:00.000Z	38 \| good	7.078 \| good	28.67 \| good	38.117 \| good	0.194 \| good	2.931 \| good	0.208 \| good
2025-07-28T16:00:00.000Z	44 \| good	7.643 \| good	33.969 \| good	41.333 \| good	0.144 \| good	2.685 \| good	0.208 \| good
2025-07-28T17:00:00.000Z	44 \| good	7.76 \| good	29.435 \| good	45.068 \| good	0.145 \| good	2.467 \| good	0.208 \| good
2025-07-28T18:00:00.000Z	44 \| good	8.119 \| good	30.523 \| good	45.75 \| good	0.253 \| good	2.255 \| good	0.163 \| good
2025-07-28T19:00:00.000Z	43 \| good	7.387 \| good	31.042 \| good	46.498 \| good	0.238 \| good	2.029 \| good	0.149 \| good
2025-07-28T20:00:00.000Z	43 \| good	6.612 \| good	24.362 \| good	46.428 \| good	0.221 \| good	2.173 \| good	0.163 \| good
2025-07-28T21:00:00.000Z	43 \| good	5.536 \| good	24.115 \| good	46.148 \| good	0.271 \| good	2.469 \| good	0.179 \| good
2025-07-28T22:00:00.000Z	44 \| good	6.12 \| good	27.362 \| good	46.818 \| good	0.186 \| good	2.29 \| good	0.179 \| good
2025-07-28T23:00:00.000Z	44 \| good	7.755 \| good	31.233 \| good	47.201 \| good	0.23 \| good	2.956 \| good	0.179 \| good
2025-07-29T00:00:00.000Z	43 \| good	7.32 \| good	29.367 \| good	46.323 \| good	0.241 \| good	3.493 \| good	0.195 \| good
2025-07-29T01:00:00.000Z	41 \| good	7.03 \| good	27.622 \| good	43.798 \| good	0.195 \| good	6.986 \| good	0.216 \| good
2025-07-29T02:00:00.000Z	38 \| good	7.157 \| good	27.828 \| good	37.883 \| good	0.223 \| good	12.794 \| good	0.262 \| good
2025-07-29T03:00:00.000Z	49 \| good	9.424 \| good	38.469 \| good	29.379 \| good	0.232 \| good	14.777 \| good	0.297 \| good
2025-07-29T04:00:00.000Z	52 \| moderate	9.714 \| good	37.92 \| good	30.276 \| good	0.246 \| good	11.367 \| good	0.297 \| good
2025-07-29T05:00:00.000Z	49 \| good	9.146 \| good	37.111 \| good	22.486 \| good	0.253 \| good	13.696 \| good	0.329 \| good
2025-07-29T06:00:00.000Z	54 \| moderate	10.595 \| good	44.363 \| good	18.662 \| good	0.246 \| good	12.394 \| good	0.328 \| good
2025-07-29T07:00:00.000Z	52 \| moderate	9.802 \| good	34.368 \| good	13.076 \| good	0.348 \| good	12.837 \| good	0.344 \| good
2025-07-29T08:00:00.000Z	49 \| good	9.491 \| good	31.536 \| good	12.652 \| good	0.359 \| good	12.341 \| good	0.344 \| good
2025-07-29T09:00:00.000Z	52 \| moderate	10.265 \| good	42.831 \| good	10.4 \| good	0.34 \| good	10.77 \| good	0.328 \| good
2025-07-29T10:00:00.000Z	52 \| moderate	10.443 \| good	41.034 \| good	11.955 \| good	0.283 \| good	9.642 \| good	0.344 \| good
2025-07-29T11:00:00.000Z	52 \| moderate	10.14 \| good	39.955 \| good	11.482 \| good	0.33 \| good	10.497 \| good	0.359 \| good
2025-07-29T12:00:00.000Z	52 \| moderate	10.14 \| good	39.955 \| good	11.482 \| good	0.33 \| good	10.497 \| good	0.359 \| good
2025-07-25T16:00:00.000Z	67 \| moderate	8.22 \| good	36.393 \| good	59.891 \| fine	3.418 \| good	2.152 \| good	0.232 \| good
2025-07-25T17:00:00.000Z	74 \| moderate	9.764 \| good	43.22 \| good	61.789 \| fine	3.107 \| good	1.913 \| good	0.225 \| good
2025-07-25T18:00:00.000Z	77 \| moderate	10.925 \| good	48.045 \| good	62.903 \| fine	2.795 \| good	1.674 \| good	0.218 \| good
2025-07-25T19:00:00.000Z	64 \| moderate	8.712 \| good	38.034 \| good	58.789 \| fine	2.448 \| good	1.809 \| good	0.214 \| good
2025-07-25T20:00:00.000Z	54 \| moderate	8.185 \| good	36.021 \| good	56.391 \| fine	2.1 \| good	1.945 \| good	0.21 \| good
2025-07-25T21:00:00.000Z	58 \| moderate	7.096 \| good	31.149 \| good	57.368 \| fine	1.753 \| good	2.08 \| good	0.206 \| good
2025-07-25T22:00:00.000Z	61 \| moderate	7.084 \| good	31.108 \| good	57.55 \| fine	1.772 \| good	3.486 \| good	0.216 \| good
2025-07-25T23:00:00.000Z	49 \| good	8.073 \| good	35.006 \| good	53.299 \| good	1.791 \| good	4.892 \| good	0.227 \| good
2025-07-26T00:00:00.000Z	44 \| good	7.374 \| good	32.366 \| good	46.534 \| good	1.81 \| good	6.298 \| good	0.237 \| good
2025-07-26T01:00:00.000Z	35 \| good	4.432 \| good	19.518 \| good	38.095 \| good	1.894 \| good	8.299 \| good	0.256 \| good
2025-07-26T02:00:00.000Z	31 \| good	4.783 \| good	21.245 \| good	33.978 \| good	1.979 \| good	10.3 \| good	0.275 \| good
2025-07-26T03:00:00.000Z	40 \| good	4.043 \| good	18.127 \| good	42.704 \| good	2.063 \| good	12.301 \| good	0.294 \| good
2025-07-26T04:00:00.000Z	36 \| good	5.13 \| good	22.011 \| good	39.091 \| good	1.904 \| good	10.995 \| good	0.283 \| good
2025-07-26T05:00:00.000Z	32 \| good	3.882 \| good	17.066 \| good	34.543 \| good	1.745 \| good	9.69 \| good	0.272 \| good
2025-07-26T06:00:00.000Z	26 \| good	3.967 \| good	17.136 \| good	27.763 \| good	1.586 \| good	8.384 \| good	0.261 \| good
2025-07-26T07:00:00.000Z	33 \| good	5.815 \| good	25.039 \| good	23.888 \| good	1.541 \| good	7.275 \| good	0.242 \| good
2025-07-26T08:00:00.000Z	27 \| good	5.358 \| good	23.291 \| good	22.447 \| good	1.496 \| good	6.167 \| good	0.222 \| good
2025-07-26T09:00:00.000Z	27 \| good	5.211 \| good	22.404 \| good	18.928 \| good	1.452 \| good	5.059 \| good	0.202 \| good
2025-07-26T10:00:00.000Z	22 \| good	4.136 \| good	18.222 \| good	18.672 \| good	1.637 \| good	4.817 \| good	0.199 \| good
2025-07-26T11:00:00.000Z	21 \| good	3.339 \| good	14.385 \| good	23.492 \| good	1.823 \| good	4.575 \| good	0.197 \| good
2025-07-26T12:00:00.000Z	28 \| good	2.854 \| good	11.435 \| good	29.698 \| good	2.009 \| good	4.334 \| good	0.195 \| good
2025-07-26T13:00:00.000Z	33 \| good	3.046 \| good	12.391 \| good	35.669 \| good	2.262 \| good	3.631 \| good	0.197 \| good
2025-07-26T14:00:00.000Z	38 \| good	3.473 \| good	15.174 \| good	41.369 \| good	2.515 \| good	2.929 \| good	0.199 \| good
2025-07-26T15:00:00.000Z	43 \| good	4.697 \| good	20.28 \| good	45.617 \| good	2.768 \| good	2.226 \| good	0.201 \| good
2025-07-26T16:00:00.000Z	48 \| good	5.327 \| good	23.307 \| good	51.54 \| good	2.579 \| good	1.984 \| good	0.196 \| good
2025-07-26T17:00:00.000Z	58 \| moderate	7.015 \| good	31.176 \| good	56.882 \| fine	2.391 \| good	1.742 \| good	0.192 \| good
2025-07-26T18:00:00.000Z	67 \| moderate	7.505 \| good	33.239 \| good	60.066 \| fine	2.202 \| good	1.499 \| good	0.188 \| good
2025-07-26T19:00:00.000Z	77 \| moderate	8.66 \| good	38.101 \| good	62.958 \| fine	1.994 \| good	1.765 \| good	0.188 \| good
2025-07-26T20:00:00.000Z	80 \| moderate	8.469 \| good	37.276 \| good	64.146 \| fine	1.787 \| good	2.031 \| good	0.188 \| good
2025-07-26T21:00:00.000Z	74 \| moderate	8.067 \| good	35.332 \| good	62.279 \| fine	1.579 \| good	2.297 \| good	0.188 \| good
2025-07-26T22:00:00.000Z	64 \| moderate	8.391 \| good	37.216 \| good	59.027 \| fine	1.573 \| good	3.482 \| good	0.199 \| good
2025-07-26T23:00:00.000Z	54 \| moderate	9.472 \| good	42.021 \| good	56.069 \| fine	1.568 \| good	4.668 \| good	0.21 \| good
2025-07-27T00:00:00.000Z	46 \| good	7.995 \| good	35.261 \| good	50.39 \| good	1.562 \| good	5.853 \| good	0.221 \| good
2025-07-27T01:00:00.000Z	49 \| good	9.246 \| good	41.176 \| good	41.473 \| good	1.476 \| good	6.109 \| good	0.224 \| good
2025-07-27T02:00:00.000Z	44 \| good	7.532 \| good	33.308 \| good	34.782 \| good	1.391 \| good	6.365 \| good	0.226 \| good
2025-07-27T03:00:00.000Z	33 \| good	6.319 \| good	28.292 \| good	31.723 \| good	1.305 \| good	6.62 \| good	0.228 \| good
2025-07-27T04:00:00.000Z	33 \| good	6.404 \| good	28.944 \| good	31.456 \| good	1.277 \| good	5.95 \| good	0.228 \| good
2025-07-27T05:00:00.000Z	33 \| good	6.066 \| good	26.923 \| good	28.833 \| good	1.25 \| good	5.28 \| good	0.227 \| good
2025-07-27T06:00:00.000Z	27 \| good	5.316 \| good	23.166 \| good	28.188 \| good	1.222 \| good	4.61 \| good	0.227 \| good
2025-07-27T07:00:00.000Z	38 \| good	6.705 \| good	29.923 \| good	28.313 \| good	1.23 \| good	4.475 \| good	0.224 \| good
2025-07-27T08:00:00.000Z	33 \| good	6.411 \| good	28.995 \| good	28.217 \| good	1.238 \| good	4.34 \| good	0.222 \| good
2025-07-27T09:00:00.000Z	38 \| good	6.813 \| good	30.066 \| good	26.068 \| good	1.246 \| good	4.205 \| good	0.22 \| good
2025-07-27T10:00:00.000Z	38 \| good	7.337 \| good	31.943 \| good	15.321 \| good	1.393 \| good	4.123 \| good	0.218 \| good
2025-07-27T11:00:00.000Z	33 \| good	5.989 \| good	26.876 \| good	20.436 \| good	1.54 \| good	4.042 \| good	0.216 \| good
2025-07-27T12:00:00.000Z	27 \| good	4.736 \| good	21.023 \| good	28.194 \| good	1.687 \| good	3.961 \| good	0.214 \| good
2025-07-27T13:00:00.000Z	27 \| good	2.714 \| good	11.356 \| good	28.829 \| good	1.867 \| good	3.515 \| good	0.221 \| good
2025-07-27T14:00:00.000Z	29 \| good	3.814 \| good	16.211 \| good	30.683 \| good	2.048 \| good	3.068 \| good	0.229 \| good
2025-07-27T15:00:00.000Z	37 \| good	4.283 \| good	19.13 \| good	40.247 \| good	2.228 \| good	2.622 \| good	0.237 \| 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?