What are the current PM10 levels at Dundalk, Maryland?

The current PM10 levels in Dundalk, Maryland are 15.356 μg/m3.

What are the current sulfur dioxide (SO2) levels at Dundalk, Maryland?

The current sulfur dioxide (SO2) levels in Dundalk, Maryland are 0.537 ppb.

What are the current ozone (O3) levels at Dundalk, Maryland?

The current ozone (O3) levels at Dundalk, Maryland is 22.594 ppm.

What are the current nitrogen dioxide (NO2) levels at Dundalk, Maryland?

The current nitrogen dioxide (NO2) levels at Dundalk, Maryland is 15.124 ppb.

Real-time air quality index in Dundalk, Maryland today

Q: What are the current PM2.5 levels in Dundalk, Maryland?

The measured PM2.5 levels in Dundalk, Maryland at present are 4.604 μg/m3.

Stay updated with real-time air quality in Dundalk, 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

Dundalk, Maryland

Last updated: ... (Local time)

Common air pollutants in Dundalk, Maryland

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.60 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

15.36 μg/m³

155

255

425

605+

Ozone (O₃)

22.59 ppb

201

201+

Sulfur Dioxide (SO₂)

0.54 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

15.12 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.56 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Dundalk, Maryland

Get Live Pollen Counts

Dundalk, Maryland

Scroll To Air Quality Map

Track live Dundalk, Maryland air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T16:00:00.000Z	38 \| good	6.755 \| good	19.86 \| good	22.853 \| good	0.6 \| good	9.961 \| good	0.39 \| good
2026-01-21T17:00:00.000Z	27 \| good	4.793 \| good	19.924 \| good	26.141 \| good	0.611 \| good	8.056 \| good	0.329 \| good
2026-01-21T18:00:00.000Z	28 \| good	4.817 \| good	21.032 \| good	30.269 \| good	0.6 \| good	6.468 \| good	0.219 \| good
2026-01-21T19:00:00.000Z	29 \| good	4.482 \| good	18.668 \| good	31.183 \| good	0.57 \| good	6.243 \| good	0.195 \| good
2026-01-21T20:00:00.000Z	29 \| good	4.89 \| good	20.923 \| good	31.191 \| good	0.482 \| good	6.36 \| good	0.195 \| good
2026-01-21T21:00:00.000Z	31 \| good	4.108 \| good	17.65 \| good	33.657 \| good	0.321 \| good	6.409 \| good	0.202 \| good
2026-01-21T22:00:00.000Z	31 \| good	3.38 \| good	14.358 \| good	32.871 \| good	0.293 \| good	7.907 \| good	0.236 \| good
2026-01-21T23:00:00.000Z	28 \| good	3.856 \| good	17.01 \| good	30.05 \| good	0.265 \| good	16.92 \| good	0.242 \| good
2026-01-22T00:00:00.000Z	29 \| good	4.384 \| good	19.138 \| good	30.716 \| good	0.228 \| good	20.589 \| good	0.312 \| good
2026-01-22T01:00:00.000Z	33 \| good	5.568 \| good	23.458 \| good	29.589 \| good	0.236 \| good	19.933 \| good	0.329 \| good
2026-01-22T02:00:00.000Z	33 \| good	6.035 \| good	26.41 \| good	28.738 \| good	0.231 \| good	14.159 \| good	0.293 \| good
2026-01-22T03:00:00.000Z	27 \| good	5.11 \| good	21.174 \| good	29.099 \| good	0.265 \| good	12.878 \| good	0.242 \| good
2026-01-22T04:00:00.000Z	27 \| good	5.267 \| good	22.629 \| good	27.79 \| good	0.747 \| good	13.554 \| good	0.208 \| good
2026-01-22T05:00:00.000Z	33 \| good	6.035 \| good	25.307 \| good	25.675 \| good	1.738 \| good	17.478 \| good	0.208 \| good
2026-01-22T06:00:00.000Z	38 \| good	6.855 \| good	28.6 \| good	28.723 \| good	1.911 \| good	13.045 \| good	0.202 \| good
2026-01-22T07:00:00.000Z	38 \| good	7.389 \| good	30.59 \| good	30.647 \| good	0.809 \| good	8.304 \| good	0.195 \| good
2026-01-22T08:00:00.000Z	44 \| good	8.139 \| good	32.127 \| good	28.817 \| good	0.636 \| good	9.672 \| good	0.195 \| good
2026-01-22T09:00:00.000Z	54 \| moderate	11.311 \| good	46.368 \| good	27.497 \| good	0.659 \| good	13.437 \| good	0.195 \| good
2026-01-22T10:00:00.000Z	54 \| moderate	11.41 \| good	44.49 \| good	27.221 \| good	0.549 \| good	20.617 \| good	0.229 \| good
2026-01-22T11:00:00.000Z	60 \| moderate	13.687 \| fine	56.757 \| fine	23.332 \| good	0.52 \| good	26.388 \| good	0.287 \| good
2026-01-22T12:00:00.000Z	60 \| moderate	13.686 \| fine	57.466 \| fine	21.221 \| good	0.637 \| good	29.71 \| good	0.295 \| good
2026-01-22T13:00:00.000Z	60 \| moderate	13.735 \| fine	57.427 \| fine	12.177 \| good	0.628 \| good	29.489 \| good	0.312 \| good
2026-01-22T14:00:00.000Z	64 \| moderate	15.895 \| fine	64.495 \| fine	16.023 \| good	0.863 \| good	25.417 \| good	0.319 \| good
2026-01-22T15:00:00.000Z	62 \| moderate	15.142 \| fine	61.548 \| fine	19.333 \| good	0.856 \| good	22.51 \| good	0.363 \| good
2026-01-22T16:00:00.000Z	58 \| moderate	12.522 \| fine	48.565 \| good	25.325 \| good	1.035 \| good	12.723 \| good	0.296 \| good
2026-01-22T17:00:00.000Z	49 \| good	8.674 \| good	33.957 \| good	32.093 \| good	0.577 \| good	4.079 \| good	0.23 \| good
2026-01-22T18:00:00.000Z	38 \| good	6.672 \| good	27.397 \| good	34.547 \| good	0.424 \| good	3.284 \| good	0.179 \| good
2026-01-22T19:00:00.000Z	33 \| good	5.676 \| good	24.179 \| good	30.427 \| good	0.393 \| good	2.863 \| good	0.161 \| good
2026-01-22T20:00:00.000Z	31 \| good	5.113 \| good	22.593 \| good	34.071 \| good	0.367 \| good	3.543 \| good	0.132 \| good
2026-01-22T21:00:00.000Z	33 \| good	4.471 \| good	21.277 \| good	36.069 \| good	0.421 \| good	3.816 \| good	0.132 \| good
2026-01-22T22:00:00.000Z	34 \| good	4.575 \| good	18.445 \| good	36.758 \| good	0.433 \| good	4.767 \| good	0.132 \| good
2026-01-22T23:00:00.000Z	32 \| good	4.457 \| good	18.172 \| good	35.301 \| good	0.497 \| good	6.377 \| good	0.132 \| good
2026-01-23T00:00:00.000Z	31 \| good	4.057 \| good	17.104 \| good	34.027 \| good	0.305 \| good	7.98 \| good	0.132 \| good
2026-01-23T01:00:00.000Z	27 \| good	4.81 \| good	20.076 \| good	27.643 \| good	0.259 \| good	10.421 \| good	0.146 \| good
2026-01-23T02:00:00.000Z	38 \| good	6.596 \| good	27.164 \| good	29.654 \| good	0.23 \| good	13.211 \| good	0.132 \| good
2026-01-23T03:00:00.000Z	38 \| good	7.427 \| good	30.967 \| good	25.365 \| good	0.268 \| good	16.487 \| good	0.186 \| good
2026-01-23T04:00:00.000Z	38 \| good	6.876 \| good	27.746 \| good	27.662 \| good	0.338 \| good	13.696 \| good	0.179 \| good
2026-01-23T05:00:00.000Z	27 \| good	5.491 \| good	22.085 \| good	29.49 \| good	0.452 \| good	9.567 \| good	0.163 \| good
2026-01-23T06:00:00.000Z	27 \| good	4.922 \| good	19.78 \| good	29.202 \| good	0.493 \| good	8.426 \| good	0.257 \| good
2026-01-23T07:00:00.000Z	28 \| good	4.76 \| good	19.18 \| good	29.891 \| good	0.479 \| good	8.554 \| good	0.242 \| good
2026-01-23T08:00:00.000Z	20 \| good	3.39 \| good	13.7 \| good	22.167 \| good	0.313 \| good	21.228 \| good	0.225 \| good
2026-01-23T09:00:00.000Z	27 \| good	5.198 \| good	19.491 \| good	24.345 \| good	0.417 \| good	23.071 \| good	0.272 \| good
2026-01-23T10:00:00.000Z	27 \| good	5.48 \| good	21.227 \| good	21.985 \| good	0.419 \| good	27.631 \| good	0.309 \| good
2026-01-23T11:00:00.000Z	33 \| good	4.631 \| good	18.165 \| good	15.916 \| good	0.72 \| good	35.312 \| good	0.333 \| good
2026-01-23T12:00:00.000Z	27 \| good	4.903 \| good	19.406 \| good	10.221 \| good	0.742 \| good	29.002 \| good	0.372 \| good
2026-01-23T13:00:00.000Z	27 \| good	4.908 \| good	19.027 \| good	9.237 \| good	0.75 \| good	28.992 \| good	0.433 \| good
2026-01-23T14:00:00.000Z	22 \| good	3.996 \| good	16.753 \| good	18.751 \| good	0.569 \| good	16.316 \| good	0.539 \| good
2026-01-23T15:00:00.000Z	27 \| good	4.604 \| good	15.356 \| good	22.594 \| good	0.537 \| good	15.124 \| good	0.558 \| good
2026-01-23T16:00:00.000Z	27 \| good	4.872 \| good	21.062 \| good	27.943 \| good	3.446 \| good	5.192 \| good	0.173 \| good
2026-01-23T17:00:00.000Z	27 \| good	4.418 \| good	19.002 \| good	29.472 \| good	3.251 \| good	4.335 \| good	0.169 \| good
2026-01-23T18:00:00.000Z	27 \| good	4.195 \| good	18.064 \| good	29.068 \| good	3.056 \| good	3.478 \| good	0.165 \| good
2026-01-23T19:00:00.000Z	25 \| good	4.359 \| good	19.018 \| good	26.752 \| good	2.927 \| good	3.9 \| good	0.168 \| good
2026-01-23T20:00:00.000Z	26 \| good	4.215 \| good	18.99 \| good	27.543 \| good	2.798 \| good	4.323 \| good	0.17 \| good
2026-01-23T21:00:00.000Z	25 \| good	3.901 \| good	17.056 \| good	26.63 \| good	2.67 \| good	4.745 \| good	0.173 \| good
2026-01-23T22:00:00.000Z	33 \| good	6.205 \| good	27.93 \| good	26.982 \| good	2.549 \| good	4.973 \| good	0.177 \| good
2026-01-23T23:00:00.000Z	28 \| good	5.36 \| good	23.019 \| good	29.836 \| good	2.429 \| good	5.201 \| good	0.181 \| good
2026-01-24T00:00:00.000Z	33 \| good	5.51 \| good	23.919 \| good	25.506 \| good	2.308 \| good	5.429 \| good	0.185 \| good
2026-01-24T01:00:00.000Z	27 \| good	4.799 \| good	20.928 \| good	24.66 \| good	1.994 \| good	4.655 \| good	0.176 \| good
2026-01-24T02:00:00.000Z	22 \| good	3.39 \| good	15.035 \| good	24.241 \| good	1.68 \| good	3.881 \| good	0.168 \| good
2026-01-24T03:00:00.000Z	23 \| good	2.658 \| good	11.068 \| good	25.081 \| good	1.366 \| good	3.106 \| good	0.159 \| good
2026-01-24T04:00:00.000Z	23 \| good	3.638 \| good	15.981 \| good	25.396 \| good	1.17 \| good	2.671 \| good	0.154 \| good
2026-01-24T05:00:00.000Z	24 \| good	3.498 \| good	15.912 \| good	25.896 \| good	0.974 \| good	2.236 \| good	0.148 \| good
2026-01-24T06:00:00.000Z	22 \| good	2.812 \| good	11.974 \| good	24.041 \| good	0.779 \| good	1.8 \| good	0.142 \| good
2026-01-24T07:00:00.000Z	21 \| good	2.405 \| good	10.052 \| good	22.78 \| good	0.739 \| good	1.742 \| good	0.142 \| good
2026-01-24T08:00:00.000Z	22 \| good	4.424 \| good	18.931 \| good	22.078 \| good	0.699 \| good	1.683 \| good	0.142 \| good
2026-01-24T09:00:00.000Z	27 \| good	4.893 \| good	20.965 \| good	20.671 \| good	0.659 \| good	1.625 \| good	0.142 \| good
2026-01-24T10:00:00.000Z	22 \| good	4.457 \| good	18.974 \| good	19.708 \| good	0.687 \| good	1.914 \| good	0.145 \| good
2026-01-24T11:00:00.000Z	18 \| good	2.275 \| good	9.091 \| good	19.254 \| good	0.714 \| good	2.204 \| good	0.148 \| good
2026-01-24T12:00:00.000Z	22 \| good	4.143 \| good	18.017 \| good	19.294 \| good	0.741 \| good	2.493 \| good	0.15 \| good
2026-01-24T13:00:00.000Z	22 \| good	3.827 \| good	16.981 \| good	18.754 \| good	0.849 \| good	2.448 \| good	0.153 \| good
2026-01-24T14:00:00.000Z	19 \| good	2.784 \| good	11.091 \| good	20.804 \| good	0.957 \| good	2.403 \| good	0.156 \| good
2026-01-24T15:00:00.000Z	19 \| good	2.257 \| good	9.091 \| good	20.689 \| good	1.065 \| good	2.358 \| good	0.158 \| good
2026-01-24T16:00:00.000Z	22 \| good	3.589 \| good	15.974 \| good	20.344 \| good	1.182 \| good	2.253 \| good	0.158 \| good
2026-01-24T17:00:00.000Z	19 \| good	2.39 \| good	9.963 \| good	20.981 \| good	1.3 \| good	2.147 \| good	0.157 \| good
2026-01-24T18:00:00.000Z	19 \| good	2.474 \| good	10.036 \| good	21.352 \| good	1.417 \| good	2.042 \| good	0.156 \| good
2026-01-24T19:00:00.000Z	19 \| good	3.216 \| good	14.097 \| good	21.285 \| good	1.475 \| good	2.567 \| good	0.157 \| good
2026-01-24T20:00:00.000Z	20 \| good	2.587 \| good	10.177 \| good	21.696 \| good	1.533 \| good	3.092 \| good	0.157 \| good
2026-01-24T21:00:00.000Z	19 \| good	2.193 \| good	9.073 \| good	20.839 \| good	1.591 \| good	3.617 \| good	0.158 \| good
2026-01-24T22:00:00.000Z	19 \| good	2.964 \| good	12.134 \| good	20.827 \| good	1.723 \| good	4.185 \| good	0.161 \| good
2026-01-24T23:00:00.000Z	19 \| good	1.458 \| good	6.064 \| good	21.465 \| good	1.855 \| good	4.752 \| good	0.165 \| good
2026-01-25T00:00:00.000Z	17 \| good	3.439 \| good	14.932 \| good	18.048 \| good	1.987 \| good	5.32 \| good	0.168 \| good
2026-01-25T01:00:00.000Z	22 \| good	4.05 \| good	17.974 \| good	17.467 \| good	2.193 \| good	5.341 \| good	0.169 \| good
2026-01-25T02:00:00.000Z	22 \| good	3.527 \| good	16.066 \| good	18.269 \| good	2.399 \| good	5.362 \| good	0.17 \| good
2026-01-25T03:00:00.000Z	17 \| good	3.23 \| good	14.141 \| good	18.437 \| good	2.605 \| good	5.383 \| good	0.171 \| good
2026-01-25T04:00:00.000Z	22 \| good	3.549 \| good	16.052 \| good	19.352 \| good	2.608 \| good	5.185 \| good	0.171 \| good
2026-01-25T05:00:00.000Z	22 \| good	4.275 \| good	19.016 \| good	19.317 \| good	2.61 \| good	4.988 \| good	0.171 \| good
2026-01-25T06:00:00.000Z	27 \| good	5.1 \| good	22.036 \| good	17.181 \| good	2.613 \| good	4.79 \| good	0.171 \| good
2026-01-25T07:00:00.000Z	38 \| good	7.211 \| good	32.007 \| good	15.04 \| good	2.362 \| good	4.813 \| good	0.172 \| good
2026-01-25T08:00:00.000Z	49 \| good	9.383 \| good	41.92 \| good	13.132 \| good	2.111 \| good	4.836 \| good	0.173 \| good
2026-01-25T09:00:00.000Z	49 \| good	9.021 \| good	40.852 \| good	13.747 \| good	1.86 \| good	4.859 \| good	0.174 \| good
2026-01-25T10:00:00.000Z	44 \| good	8.154 \| good	35.958 \| good	16.479 \| good	1.711 \| good	5.373 \| good	0.176 \| good
2026-01-25T11:00:00.000Z	44 \| good	8.221 \| good	36.012 \| good	17.278 \| good	1.562 \| good	5.888 \| good	0.178 \| good
2026-01-25T12:00:00.000Z	44 \| good	7.937 \| good	35.029 \| good	17.841 \| good	1.413 \| good	6.403 \| good	0.179 \| good
2026-01-25T13:00:00.000Z	49 \| good	8.804 \| good	38.938 \| good	15.235 \| good	1.396 \| good	7.931 \| good	0.189 \| good
2026-01-25T14:00:00.000Z	44 \| good	7.731 \| good	33.989 \| good	15.831 \| good	1.379 \| good	9.46 \| good	0.198 \| good
2026-01-25T15:00:00.000Z	33 \| good	5.54 \| good	24.146 \| good	15.591 \| good	1.362 \| good	10.989 \| good	0.207 \| good

Dundalk

Empower business decisions with accurate air quality data

Dundalk, Maryland air quality map: Real-time AQI near you

0.56ppm

How accurate is Maryland, USA air quality data?

Air quality measurements for Maryland, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

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 frequently is the air quality data for Dundalk, Maryland updated?

Air quality data for Dundalk, Maryland is updated on an hourly basis.

When did Dundalk, Maryland experience the worst air quality in the last 24 hours?

The worst air quality in Dundalk, Maryland was recorded at 03:00:00 on 2026-01-22.

When did Dundalk, Maryland have its best air quality in the last 24 hours?

The best air quality in Dundalk, Maryland was recorded at 08:00:00 on 2026-01-23.

What is the real-time air quality index for Dundalk, Maryland?

The real-time air quality index in Dundalk, Maryland is 27, currently categorized as Good.

Which pollutant is found most often in Dundalk, Maryland?

The most common pollutant in Dundalk, Maryland is PM2.5.

What can I do if the air quality in Dundalk, Maryland is poor?

If the air quality in Dundalk, Maryland is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Dundalk, Maryland?

The measured PM_2.5 levels in Dundalk, Maryland at present are 4.604 μg/m³.

What are the current PM₁₀ levels at Dundalk, Maryland?

The current PM₁₀ levels in Dundalk, Maryland are 15.356 μg/m³.

What are the current carbon monoxide (CO) levels at Dundalk, Maryland?

The current carbon monoxide (CO) level in Dundalk, Maryland is 0.558 ppm.

What are the current sulfur dioxide (SO₂) levels at Dundalk, Maryland?

The current sulfur dioxide (SO₂) levels in Dundalk, Maryland are 0.537 ppb.

What are the current ozone (O₃) levels at Dundalk, Maryland?

The current ozone (O₃) levels at Dundalk, Maryland is 22.594 ppm.

What are the current nitrogen dioxide (NO₂) levels at Dundalk, Maryland?

The current nitrogen dioxide (NO₂) levels at Dundalk, Maryland is 15.124 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T16:00:00.000Z	38 \| good	6.755 \| good	19.86 \| good	22.853 \| good	0.6 \| good	9.961 \| good	0.39 \| good
2026-01-21T17:00:00.000Z	27 \| good	4.793 \| good	19.924 \| good	26.141 \| good	0.611 \| good	8.056 \| good	0.329 \| good
2026-01-21T18:00:00.000Z	28 \| good	4.817 \| good	21.032 \| good	30.269 \| good	0.6 \| good	6.468 \| good	0.219 \| good
2026-01-21T19:00:00.000Z	29 \| good	4.482 \| good	18.668 \| good	31.183 \| good	0.57 \| good	6.243 \| good	0.195 \| good
2026-01-21T20:00:00.000Z	29 \| good	4.89 \| good	20.923 \| good	31.191 \| good	0.482 \| good	6.36 \| good	0.195 \| good
2026-01-21T21:00:00.000Z	31 \| good	4.108 \| good	17.65 \| good	33.657 \| good	0.321 \| good	6.409 \| good	0.202 \| good
2026-01-21T22:00:00.000Z	31 \| good	3.38 \| good	14.358 \| good	32.871 \| good	0.293 \| good	7.907 \| good	0.236 \| good
2026-01-21T23:00:00.000Z	28 \| good	3.856 \| good	17.01 \| good	30.05 \| good	0.265 \| good	16.92 \| good	0.242 \| good
2026-01-22T00:00:00.000Z	29 \| good	4.384 \| good	19.138 \| good	30.716 \| good	0.228 \| good	20.589 \| good	0.312 \| good
2026-01-22T01:00:00.000Z	33 \| good	5.568 \| good	23.458 \| good	29.589 \| good	0.236 \| good	19.933 \| good	0.329 \| good
2026-01-22T02:00:00.000Z	33 \| good	6.035 \| good	26.41 \| good	28.738 \| good	0.231 \| good	14.159 \| good	0.293 \| good
2026-01-22T03:00:00.000Z	27 \| good	5.11 \| good	21.174 \| good	29.099 \| good	0.265 \| good	12.878 \| good	0.242 \| good
2026-01-22T04:00:00.000Z	27 \| good	5.267 \| good	22.629 \| good	27.79 \| good	0.747 \| good	13.554 \| good	0.208 \| good
2026-01-22T05:00:00.000Z	33 \| good	6.035 \| good	25.307 \| good	25.675 \| good	1.738 \| good	17.478 \| good	0.208 \| good
2026-01-22T06:00:00.000Z	38 \| good	6.855 \| good	28.6 \| good	28.723 \| good	1.911 \| good	13.045 \| good	0.202 \| good
2026-01-22T07:00:00.000Z	38 \| good	7.389 \| good	30.59 \| good	30.647 \| good	0.809 \| good	8.304 \| good	0.195 \| good
2026-01-22T08:00:00.000Z	44 \| good	8.139 \| good	32.127 \| good	28.817 \| good	0.636 \| good	9.672 \| good	0.195 \| good
2026-01-22T09:00:00.000Z	54 \| moderate	11.311 \| good	46.368 \| good	27.497 \| good	0.659 \| good	13.437 \| good	0.195 \| good
2026-01-22T10:00:00.000Z	54 \| moderate	11.41 \| good	44.49 \| good	27.221 \| good	0.549 \| good	20.617 \| good	0.229 \| good
2026-01-22T11:00:00.000Z	60 \| moderate	13.687 \| fine	56.757 \| fine	23.332 \| good	0.52 \| good	26.388 \| good	0.287 \| good
2026-01-22T12:00:00.000Z	60 \| moderate	13.686 \| fine	57.466 \| fine	21.221 \| good	0.637 \| good	29.71 \| good	0.295 \| good
2026-01-22T13:00:00.000Z	60 \| moderate	13.735 \| fine	57.427 \| fine	12.177 \| good	0.628 \| good	29.489 \| good	0.312 \| good
2026-01-22T14:00:00.000Z	64 \| moderate	15.895 \| fine	64.495 \| fine	16.023 \| good	0.863 \| good	25.417 \| good	0.319 \| good
2026-01-22T15:00:00.000Z	62 \| moderate	15.142 \| fine	61.548 \| fine	19.333 \| good	0.856 \| good	22.51 \| good	0.363 \| good
2026-01-22T16:00:00.000Z	58 \| moderate	12.522 \| fine	48.565 \| good	25.325 \| good	1.035 \| good	12.723 \| good	0.296 \| good
2026-01-22T17:00:00.000Z	49 \| good	8.674 \| good	33.957 \| good	32.093 \| good	0.577 \| good	4.079 \| good	0.23 \| good
2026-01-22T18:00:00.000Z	38 \| good	6.672 \| good	27.397 \| good	34.547 \| good	0.424 \| good	3.284 \| good	0.179 \| good
2026-01-22T19:00:00.000Z	33 \| good	5.676 \| good	24.179 \| good	30.427 \| good	0.393 \| good	2.863 \| good	0.161 \| good
2026-01-22T20:00:00.000Z	31 \| good	5.113 \| good	22.593 \| good	34.071 \| good	0.367 \| good	3.543 \| good	0.132 \| good
2026-01-22T21:00:00.000Z	33 \| good	4.471 \| good	21.277 \| good	36.069 \| good	0.421 \| good	3.816 \| good	0.132 \| good
2026-01-22T22:00:00.000Z	34 \| good	4.575 \| good	18.445 \| good	36.758 \| good	0.433 \| good	4.767 \| good	0.132 \| good
2026-01-22T23:00:00.000Z	32 \| good	4.457 \| good	18.172 \| good	35.301 \| good	0.497 \| good	6.377 \| good	0.132 \| good
2026-01-23T00:00:00.000Z	31 \| good	4.057 \| good	17.104 \| good	34.027 \| good	0.305 \| good	7.98 \| good	0.132 \| good
2026-01-23T01:00:00.000Z	27 \| good	4.81 \| good	20.076 \| good	27.643 \| good	0.259 \| good	10.421 \| good	0.146 \| good
2026-01-23T02:00:00.000Z	38 \| good	6.596 \| good	27.164 \| good	29.654 \| good	0.23 \| good	13.211 \| good	0.132 \| good
2026-01-23T03:00:00.000Z	38 \| good	7.427 \| good	30.967 \| good	25.365 \| good	0.268 \| good	16.487 \| good	0.186 \| good
2026-01-23T04:00:00.000Z	38 \| good	6.876 \| good	27.746 \| good	27.662 \| good	0.338 \| good	13.696 \| good	0.179 \| good
2026-01-23T05:00:00.000Z	27 \| good	5.491 \| good	22.085 \| good	29.49 \| good	0.452 \| good	9.567 \| good	0.163 \| good
2026-01-23T06:00:00.000Z	27 \| good	4.922 \| good	19.78 \| good	29.202 \| good	0.493 \| good	8.426 \| good	0.257 \| good
2026-01-23T07:00:00.000Z	28 \| good	4.76 \| good	19.18 \| good	29.891 \| good	0.479 \| good	8.554 \| good	0.242 \| good
2026-01-23T08:00:00.000Z	20 \| good	3.39 \| good	13.7 \| good	22.167 \| good	0.313 \| good	21.228 \| good	0.225 \| good
2026-01-23T09:00:00.000Z	27 \| good	5.198 \| good	19.491 \| good	24.345 \| good	0.417 \| good	23.071 \| good	0.272 \| good
2026-01-23T10:00:00.000Z	27 \| good	5.48 \| good	21.227 \| good	21.985 \| good	0.419 \| good	27.631 \| good	0.309 \| good
2026-01-23T11:00:00.000Z	33 \| good	4.631 \| good	18.165 \| good	15.916 \| good	0.72 \| good	35.312 \| good	0.333 \| good
2026-01-23T12:00:00.000Z	27 \| good	4.903 \| good	19.406 \| good	10.221 \| good	0.742 \| good	29.002 \| good	0.372 \| good
2026-01-23T13:00:00.000Z	27 \| good	4.908 \| good	19.027 \| good	9.237 \| good	0.75 \| good	28.992 \| good	0.433 \| good
2026-01-23T14:00:00.000Z	22 \| good	3.996 \| good	16.753 \| good	18.751 \| good	0.569 \| good	16.316 \| good	0.539 \| good
2026-01-23T15:00:00.000Z	27 \| good	4.604 \| good	15.356 \| good	22.594 \| good	0.537 \| good	15.124 \| good	0.558 \| good
2026-01-23T16:00:00.000Z	27 \| good	4.872 \| good	21.062 \| good	27.943 \| good	3.446 \| good	5.192 \| good	0.173 \| good
2026-01-23T17:00:00.000Z	27 \| good	4.418 \| good	19.002 \| good	29.472 \| good	3.251 \| good	4.335 \| good	0.169 \| good
2026-01-23T18:00:00.000Z	27 \| good	4.195 \| good	18.064 \| good	29.068 \| good	3.056 \| good	3.478 \| good	0.165 \| good
2026-01-23T19:00:00.000Z	25 \| good	4.359 \| good	19.018 \| good	26.752 \| good	2.927 \| good	3.9 \| good	0.168 \| good
2026-01-23T20:00:00.000Z	26 \| good	4.215 \| good	18.99 \| good	27.543 \| good	2.798 \| good	4.323 \| good	0.17 \| good
2026-01-23T21:00:00.000Z	25 \| good	3.901 \| good	17.056 \| good	26.63 \| good	2.67 \| good	4.745 \| good	0.173 \| good
2026-01-23T22:00:00.000Z	33 \| good	6.205 \| good	27.93 \| good	26.982 \| good	2.549 \| good	4.973 \| good	0.177 \| good
2026-01-23T23:00:00.000Z	28 \| good	5.36 \| good	23.019 \| good	29.836 \| good	2.429 \| good	5.201 \| good	0.181 \| good
2026-01-24T00:00:00.000Z	33 \| good	5.51 \| good	23.919 \| good	25.506 \| good	2.308 \| good	5.429 \| good	0.185 \| good
2026-01-24T01:00:00.000Z	27 \| good	4.799 \| good	20.928 \| good	24.66 \| good	1.994 \| good	4.655 \| good	0.176 \| good
2026-01-24T02:00:00.000Z	22 \| good	3.39 \| good	15.035 \| good	24.241 \| good	1.68 \| good	3.881 \| good	0.168 \| good
2026-01-24T03:00:00.000Z	23 \| good	2.658 \| good	11.068 \| good	25.081 \| good	1.366 \| good	3.106 \| good	0.159 \| good
2026-01-24T04:00:00.000Z	23 \| good	3.638 \| good	15.981 \| good	25.396 \| good	1.17 \| good	2.671 \| good	0.154 \| good
2026-01-24T05:00:00.000Z	24 \| good	3.498 \| good	15.912 \| good	25.896 \| good	0.974 \| good	2.236 \| good	0.148 \| good
2026-01-24T06:00:00.000Z	22 \| good	2.812 \| good	11.974 \| good	24.041 \| good	0.779 \| good	1.8 \| good	0.142 \| good
2026-01-24T07:00:00.000Z	21 \| good	2.405 \| good	10.052 \| good	22.78 \| good	0.739 \| good	1.742 \| good	0.142 \| good
2026-01-24T08:00:00.000Z	22 \| good	4.424 \| good	18.931 \| good	22.078 \| good	0.699 \| good	1.683 \| good	0.142 \| good
2026-01-24T09:00:00.000Z	27 \| good	4.893 \| good	20.965 \| good	20.671 \| good	0.659 \| good	1.625 \| good	0.142 \| good
2026-01-24T10:00:00.000Z	22 \| good	4.457 \| good	18.974 \| good	19.708 \| good	0.687 \| good	1.914 \| good	0.145 \| good
2026-01-24T11:00:00.000Z	18 \| good	2.275 \| good	9.091 \| good	19.254 \| good	0.714 \| good	2.204 \| good	0.148 \| good
2026-01-24T12:00:00.000Z	22 \| good	4.143 \| good	18.017 \| good	19.294 \| good	0.741 \| good	2.493 \| good	0.15 \| good
2026-01-24T13:00:00.000Z	22 \| good	3.827 \| good	16.981 \| good	18.754 \| good	0.849 \| good	2.448 \| good	0.153 \| good
2026-01-24T14:00:00.000Z	19 \| good	2.784 \| good	11.091 \| good	20.804 \| good	0.957 \| good	2.403 \| good	0.156 \| good
2026-01-24T15:00:00.000Z	19 \| good	2.257 \| good	9.091 \| good	20.689 \| good	1.065 \| good	2.358 \| good	0.158 \| good
2026-01-24T16:00:00.000Z	22 \| good	3.589 \| good	15.974 \| good	20.344 \| good	1.182 \| good	2.253 \| good	0.158 \| good
2026-01-24T17:00:00.000Z	19 \| good	2.39 \| good	9.963 \| good	20.981 \| good	1.3 \| good	2.147 \| good	0.157 \| good
2026-01-24T18:00:00.000Z	19 \| good	2.474 \| good	10.036 \| good	21.352 \| good	1.417 \| good	2.042 \| good	0.156 \| good
2026-01-24T19:00:00.000Z	19 \| good	3.216 \| good	14.097 \| good	21.285 \| good	1.475 \| good	2.567 \| good	0.157 \| good
2026-01-24T20:00:00.000Z	20 \| good	2.587 \| good	10.177 \| good	21.696 \| good	1.533 \| good	3.092 \| good	0.157 \| good
2026-01-24T21:00:00.000Z	19 \| good	2.193 \| good	9.073 \| good	20.839 \| good	1.591 \| good	3.617 \| good	0.158 \| good
2026-01-24T22:00:00.000Z	19 \| good	2.964 \| good	12.134 \| good	20.827 \| good	1.723 \| good	4.185 \| good	0.161 \| good
2026-01-24T23:00:00.000Z	19 \| good	1.458 \| good	6.064 \| good	21.465 \| good	1.855 \| good	4.752 \| good	0.165 \| good
2026-01-25T00:00:00.000Z	17 \| good	3.439 \| good	14.932 \| good	18.048 \| good	1.987 \| good	5.32 \| good	0.168 \| good
2026-01-25T01:00:00.000Z	22 \| good	4.05 \| good	17.974 \| good	17.467 \| good	2.193 \| good	5.341 \| good	0.169 \| good
2026-01-25T02:00:00.000Z	22 \| good	3.527 \| good	16.066 \| good	18.269 \| good	2.399 \| good	5.362 \| good	0.17 \| good
2026-01-25T03:00:00.000Z	17 \| good	3.23 \| good	14.141 \| good	18.437 \| good	2.605 \| good	5.383 \| good	0.171 \| good
2026-01-25T04:00:00.000Z	22 \| good	3.549 \| good	16.052 \| good	19.352 \| good	2.608 \| good	5.185 \| good	0.171 \| good
2026-01-25T05:00:00.000Z	22 \| good	4.275 \| good	19.016 \| good	19.317 \| good	2.61 \| good	4.988 \| good	0.171 \| good
2026-01-25T06:00:00.000Z	27 \| good	5.1 \| good	22.036 \| good	17.181 \| good	2.613 \| good	4.79 \| good	0.171 \| good
2026-01-25T07:00:00.000Z	38 \| good	7.211 \| good	32.007 \| good	15.04 \| good	2.362 \| good	4.813 \| good	0.172 \| good
2026-01-25T08:00:00.000Z	49 \| good	9.383 \| good	41.92 \| good	13.132 \| good	2.111 \| good	4.836 \| good	0.173 \| good
2026-01-25T09:00:00.000Z	49 \| good	9.021 \| good	40.852 \| good	13.747 \| good	1.86 \| good	4.859 \| good	0.174 \| good
2026-01-25T10:00:00.000Z	44 \| good	8.154 \| good	35.958 \| good	16.479 \| good	1.711 \| good	5.373 \| good	0.176 \| good
2026-01-25T11:00:00.000Z	44 \| good	8.221 \| good	36.012 \| good	17.278 \| good	1.562 \| good	5.888 \| good	0.178 \| good
2026-01-25T12:00:00.000Z	44 \| good	7.937 \| good	35.029 \| good	17.841 \| good	1.413 \| good	6.403 \| good	0.179 \| good
2026-01-25T13:00:00.000Z	49 \| good	8.804 \| good	38.938 \| good	15.235 \| good	1.396 \| good	7.931 \| good	0.189 \| good
2026-01-25T14:00:00.000Z	44 \| good	7.731 \| good	33.989 \| good	15.831 \| good	1.379 \| good	9.46 \| good	0.198 \| good
2026-01-25T15:00:00.000Z	33 \| good	5.54 \| good	24.146 \| good	15.591 \| good	1.362 \| good	10.989 \| good	0.207 \| good

Real-time air quality index in Dundalk, Maryland today

Common air pollutants in Dundalk, Maryland

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Dundalk, Maryland air quality forecast and history

Empower business decisions with accurate air quality data

Dundalk, Maryland air quality map: Real-time AQI near you

Air quality in nearby cities

Essex, Maryland

Rosedale, Maryland

Baltimore, Maryland

Riviera Beach, Maryland

Pasadena, Maryland

Rossville, Maryland

How accurate is Maryland, USA air quality data?

Air quality levels in US

Frequently asked questions

How frequently is the air quality data for Dundalk, Maryland updated?

When did Dundalk, Maryland experience the worst air quality in the last 24 hours?

When did Dundalk, Maryland have its best air quality in the last 24 hours?

What is the real-time air quality index for Dundalk, Maryland?

Which pollutant is found most often in Dundalk, Maryland?

What can I do if the air quality in Dundalk, Maryland is poor?

What are the current PM2.5 levels in Dundalk, Maryland?

What are the current PM10 levels at Dundalk, Maryland?

What are the current carbon monoxide (CO) levels at Dundalk, Maryland?

What are the current sulfur dioxide (SO2) levels at Dundalk, Maryland?

What are the current ozone (O3) levels at Dundalk, Maryland?

What are the current nitrogen dioxide (NO2) levels at Dundalk, Maryland?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What are the current PM_2.5 levels in Dundalk, Maryland?

What are the current PM₁₀ levels at Dundalk, Maryland?

What are the current sulfur dioxide (SO₂) levels at Dundalk, Maryland?

What are the current ozone (O₃) levels at Dundalk, Maryland?

What are the current nitrogen dioxide (NO₂) levels at Dundalk, Maryland?