What are the current PM10 levels at Columbia, Maryland?

The current PM10 levels in Columbia, Maryland are 18.801 μg/m3.

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

The current sulfur dioxide (SO2) levels in Columbia, Maryland are 0.565 ppb.

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

The current ozone (O3) levels at Columbia, Maryland is 26.801 ppm.

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

The current nitrogen dioxide (NO2) levels at Columbia, Maryland is 24.931 ppb.

Real-time air quality index in Columbia, Maryland today

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

The measured PM2.5 levels in Columbia, Maryland at present are 4.425 μg/m3.

Stay updated with real-time air quality in Columbia, 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

Columbia, Maryland

Last updated: ... (Local time)

Common air pollutants in Columbia, Maryland

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.42 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

18.80 μg/m³

155

255

425

605+

Ozone (O₃)

26.80 ppb

201

201+

Sulfur Dioxide (SO₂)

0.56 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

24.93 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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Columbia, Maryland

Scroll To Air Quality Map

Track live Columbia, Maryland air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T11:00:00.000Z	38 \| good	6.554 \| good	29.087 \| good	5.295 \| good	0.904 \| good	32.19 \| good	0.379 \| good
2026-01-21T12:00:00.000Z	33 \| good	5.82 \| good	25.703 \| good	3.977 \| good	0.822 \| good	33.633 \| good	0.419 \| good
2026-01-21T13:00:00.000Z	33 \| good	5.685 \| good	24.985 \| good	4.081 \| good	0.807 \| good	34.096 \| good	0.424 \| good
2026-01-21T14:00:00.000Z	33 \| good	6.416 \| good	27.317 \| good	4.992 \| good	0.838 \| good	33.331 \| good	0.502 \| good
2026-01-21T15:00:00.000Z	33 \| good	5.841 \| good	24.768 \| good	9.196 \| good	0.88 \| good	24.472 \| good	0.39 \| good
2026-01-21T16:00:00.000Z	22 \| good	4.266 \| good	17.774 \| good	19.341 \| good	0.646 \| good	16.757 \| good	0.284 \| good
2026-01-21T17:00:00.000Z	19 \| good	2.671 \| good	11.164 \| good	19.998 \| good	0.619 \| good	12.428 \| good	0.205 \| good
2026-01-21T18:00:00.000Z	26 \| good	1.731 \| good	7.97 \| good	28.468 \| good	0.615 \| good	6.332 \| good	0.187 \| good
2026-01-21T19:00:00.000Z	31 \| good	2.085 \| good	9.951 \| good	32.607 \| good	0.642 \| good	5.586 \| good	0.184 \| good
2026-01-21T20:00:00.000Z	31 \| good	2.61 \| good	10.751 \| good	34.432 \| good	0.633 \| good	5.915 \| good	0.184 \| good
2026-01-21T21:00:00.000Z	33 \| good	2.082 \| good	9.155 \| good	36.425 \| good	0.685 \| good	8.132 \| good	0.185 \| good
2026-01-21T22:00:00.000Z	33 \| good	2.2 \| good	9.712 \| good	36.102 \| good	0.516 \| good	8.909 \| good	0.262 \| good
2026-01-21T23:00:00.000Z	33 \| good	2.288 \| good	10.639 \| good	35.584 \| good	0.424 \| good	10.718 \| good	0.262 \| good
2026-01-22T00:00:00.000Z	32 \| good	2.832 \| good	12.136 \| good	34.664 \| good	0.329 \| good	13.919 \| good	0.358 \| good
2026-01-22T01:00:00.000Z	27 \| good	4.941 \| good	21.622 \| good	28.423 \| good	0.369 \| good	16.522 \| good	0.361 \| good
2026-01-22T02:00:00.000Z	30 \| good	5.191 \| good	22.893 \| good	32.075 \| good	0.351 \| good	15.386 \| good	0.342 \| good
2026-01-22T03:00:00.000Z	30 \| good	5.23 \| good	22.465 \| good	31.68 \| good	0.351 \| good	11.347 \| good	0.262 \| good
2026-01-22T04:00:00.000Z	33 \| good	6.09 \| good	27.77 \| good	32.361 \| good	0.6 \| good	11.444 \| good	0.185 \| good
2026-01-22T05:00:00.000Z	33 \| good	6.362 \| good	28.389 \| good	32.083 \| good	1.09 \| good	12.322 \| good	0.185 \| good
2026-01-22T06:00:00.000Z	44 \| good	7.659 \| good	33.204 \| good	32.013 \| good	1.167 \| good	9.975 \| good	0.185 \| good
2026-01-22T07:00:00.000Z	44 \| good	7.78 \| good	32.922 \| good	32.911 \| good	0.702 \| good	8.536 \| good	0.184 \| good
2026-01-22T08:00:00.000Z	49 \| good	8.618 \| good	37.661 \| good	33.264 \| good	0.804 \| good	9.612 \| good	0.184 \| good
2026-01-22T09:00:00.000Z	52 \| moderate	9.549 \| good	42.239 \| good	32.236 \| good	0.739 \| good	12.702 \| good	0.184 \| good
2026-01-22T10:00:00.000Z	52 \| moderate	10.407 \| good	45.429 \| good	31.764 \| good	0.706 \| good	10.31 \| good	0.261 \| good
2026-01-22T11:00:00.000Z	56 \| moderate	12.297 \| fine	55.814 \| fine	30.898 \| good	0.624 \| good	10.11 \| good	0.342 \| good
2026-01-22T12:00:00.000Z	60 \| moderate	14.1 \| fine	62.361 \| fine	30 \| good	0.674 \| good	16.239 \| good	0.284 \| good
2026-01-22T13:00:00.000Z	60 \| moderate	14.196 \| fine	62.467 \| fine	27.527 \| good	0.637 \| good	16.606 \| good	0.287 \| good
2026-01-22T14:00:00.000Z	60 \| moderate	14.268 \| fine	63.668 \| fine	23.745 \| good	0.783 \| good	20.992 \| good	0.287 \| good
2026-01-22T15:00:00.000Z	60 \| moderate	14.38 \| fine	62.323 \| fine	22.326 \| good	0.743 \| good	22.037 \| good	0.367 \| good
2026-01-22T16:00:00.000Z	56 \| moderate	12.429 \| fine	53.935 \| good	26.702 \| good	0.855 \| good	16.551 \| good	0.212 \| good
2026-01-22T17:00:00.000Z	44 \| good	8.357 \| good	36.216 \| good	30.456 \| good	0.589 \| good	11.242 \| good	0.19 \| good
2026-01-22T18:00:00.000Z	32 \| good	5.234 \| good	22.425 \| good	34.571 \| good	0.464 \| good	7.617 \| good	0.11 \| good
2026-01-22T19:00:00.000Z	33 \| good	4.07 \| good	19.394 \| good	36.197 \| good	0.409 \| good	5.267 \| good	0.107 \| good
2026-01-22T20:00:00.000Z	36 \| good	4.235 \| good	18.967 \| good	38.99 \| good	0.376 \| good	4.865 \| good	0.105 \| good
2026-01-22T21:00:00.000Z	37 \| good	3.29 \| good	15.431 \| good	40.183 \| good	0.425 \| good	4.842 \| good	0.105 \| good
2026-01-22T22:00:00.000Z	36 \| good	3.441 \| good	13.754 \| good	39.215 \| good	0.45 \| good	5.401 \| good	0.105 \| good
2026-01-22T23:00:00.000Z	36 \| good	4.174 \| good	18.424 \| good	38.519 \| good	0.497 \| good	7.627 \| good	0.105 \| good
2026-01-23T00:00:00.000Z	32 \| good	4.724 \| good	21.64 \| good	35.169 \| good	0.367 \| good	10.309 \| good	0.105 \| good
2026-01-23T01:00:00.000Z	31 \| good	4.67 \| good	20.402 \| good	33.212 \| good	0.346 \| good	12.584 \| good	0.107 \| good
2026-01-23T02:00:00.000Z	30 \| good	4.954 \| good	21.734 \| good	32.242 \| good	0.383 \| good	12.176 \| good	0.105 \| good
2026-01-23T03:00:00.000Z	33 \| good	5.839 \| good	24.836 \| good	31.936 \| good	0.371 \| good	12.418 \| good	0.198 \| good
2026-01-23T04:00:00.000Z	33 \| good	5.629 \| good	23.798 \| good	29.4 \| good	0.421 \| good	11.55 \| good	0.184 \| good
2026-01-23T05:00:00.000Z	24 \| good	3.475 \| good	13.559 \| good	25.898 \| good	0.489 \| good	8.622 \| good	0.182 \| good
2026-01-23T06:00:00.000Z	27 \| good	2.847 \| good	12.364 \| good	28.992 \| good	0.54 \| good	8.991 \| good	0.196 \| good
2026-01-23T07:00:00.000Z	24 \| good	2.674 \| good	10.796 \| good	26.117 \| good	0.516 \| good	11.26 \| good	0.193 \| good
2026-01-23T08:00:00.000Z	22 \| good	3.216 \| good	12.859 \| good	23.693 \| good	0.491 \| good	19.498 \| good	0.119 \| good
2026-01-23T09:00:00.000Z	25 \| good	4.425 \| good	18.801 \| good	26.801 \| good	0.565 \| good	24.931 \| good	0.198 \| good
2026-01-23T10:00:00.000Z	27 \| good	4.8 \| good	20.396 \| good	14.447 \| good	0.493 \| good	24.937 \| good	0.216 \| good
2026-01-23T10:00:00.000Z	25 \| good	4.425 \| good	18.801 \| good	26.801 \| good	0.565 \| good	24.931 \| good	0.198 \| good
2026-01-23T11:00:00.000Z	22 \| good	4.491 \| good	19.638 \| good	8.15 \| good	4.263 \| good	10.333 \| good	0.193 \| good
2026-01-23T12:00:00.000Z	33 \| good	5.89 \| good	25.897 \| good	5.293 \| good	4.723 \| good	11.822 \| good	0.199 \| good
2026-01-23T13:00:00.000Z	44 \| good	7.875 \| good	34.53 \| good	6.262 \| good	4.568 \| good	10.207 \| good	0.194 \| good
2026-01-23T14:00:00.000Z	54 \| moderate	10.605 \| good	47.187 \| good	13.127 \| good	4.413 \| good	8.593 \| good	0.19 \| good
2026-01-23T15:00:00.000Z	54 \| moderate	11.071 \| good	48.83 \| good	19.839 \| good	4.258 \| good	6.978 \| good	0.185 \| good
2026-01-23T16:00:00.000Z	38 \| good	6.827 \| good	30.197 \| good	27.366 \| good	3.832 \| good	5.868 \| good	0.18 \| good
2026-01-23T17:00:00.000Z	30 \| good	2.886 \| good	12.136 \| good	31.763 \| good	3.406 \| good	4.757 \| good	0.175 \| good
2026-01-23T18:00:00.000Z	32 \| good	2.52 \| good	10.362 \| good	34.716 \| good	2.98 \| good	3.647 \| good	0.17 \| good
2026-01-23T19:00:00.000Z	31 \| good	3.295 \| good	14.224 \| good	34.437 \| good	2.789 \| good	4.056 \| good	0.17 \| good
2026-01-23T20:00:00.000Z	31 \| good	3.564 \| good	15.845 \| good	33.959 \| good	2.599 \| good	4.464 \| good	0.17 \| good
2026-01-23T21:00:00.000Z	32 \| good	3.258 \| good	14 \| good	35.472 \| good	2.409 \| good	4.872 \| good	0.17 \| good
2026-01-23T22:00:00.000Z	32 \| good	2.573 \| good	10.277 \| good	34.717 \| good	2.394 \| good	5.256 \| good	0.17 \| good
2026-01-23T23:00:00.000Z	31 \| good	1.974 \| good	8.093 \| good	33.287 \| good	2.38 \| good	5.64 \| good	0.17 \| good
2026-01-24T00:00:00.000Z	26 \| good	1.992 \| good	8.071 \| good	28.326 \| good	2.365 \| good	6.023 \| good	0.169 \| good
2026-01-24T01:00:00.000Z	26 \| good	1.801 \| good	7.513 \| good	27.999 \| good	2.113 \| good	5.238 \| good	0.163 \| good
2026-01-24T02:00:00.000Z	26 \| good	1.432 \| good	5.508 \| good	28.29 \| good	1.861 \| good	4.452 \| good	0.158 \| good
2026-01-24T03:00:00.000Z	27 \| good	1.341 \| good	5.43 \| good	28.599 \| good	1.609 \| good	3.667 \| good	0.152 \| good
2026-01-24T04:00:00.000Z	25 \| good	2.218 \| good	9.045 \| good	26.901 \| good	1.349 \| good	3.097 \| good	0.147 \| good
2026-01-24T05:00:00.000Z	23 \| good	1.987 \| good	8.092 \| good	25.335 \| good	1.089 \| good	2.528 \| good	0.142 \| good
2026-01-24T06:00:00.000Z	21 \| good	2.55 \| good	10.401 \| good	23.452 \| good	0.829 \| good	1.958 \| good	0.136 \| good
2026-01-24T07:00:00.000Z	21 \| good	2.772 \| good	11.174 \| good	22.672 \| good	0.788 \| good	1.925 \| good	0.137 \| good
2026-01-24T08:00:00.000Z	21 \| good	2.562 \| good	10.277 \| good	22.877 \| good	0.747 \| good	1.892 \| good	0.137 \| good
2026-01-24T09:00:00.000Z	20 \| good	3.431 \| good	15.214 \| good	22.14 \| good	0.707 \| good	1.86 \| good	0.137 \| good
2026-01-24T10:00:00.000Z	19 \| good	2.07 \| good	8.407 \| good	20.858 \| good	0.754 \| good	2.337 \| good	0.14 \| good
2026-01-24T11:00:00.000Z	19 \| good	1.194 \| good	4.905 \| good	20.597 \| good	0.801 \| good	2.815 \| good	0.144 \| good
2026-01-24T12:00:00.000Z	19 \| good	1.662 \| good	6.592 \| good	21.336 \| good	0.848 \| good	3.293 \| good	0.147 \| good
2026-01-24T13:00:00.000Z	20 \| good	2.486 \| good	10.219 \| good	22.323 \| good	0.965 \| good	3.272 \| good	0.151 \| good
2026-01-24T14:00:00.000Z	21 \| good	2.022 \| good	8.242 \| good	22.69 \| good	1.083 \| good	3.251 \| good	0.154 \| good
2026-01-24T15:00:00.000Z	21 \| good	2.18 \| good	9.153 \| good	23.001 \| good	1.2 \| good	3.23 \| good	0.158 \| good
2026-01-24T16:00:00.000Z	21 \| good	2.581 \| good	10.43 \| good	22.809 \| good	1.324 \| good	2.968 \| good	0.156 \| good
2026-01-24T17:00:00.000Z	21 \| good	1.821 \| good	7.404 \| good	23.347 \| good	1.448 \| good	2.705 \| good	0.155 \| good
2026-01-24T18:00:00.000Z	22 \| good	2.407 \| good	10.04 \| good	23.648 \| good	1.572 \| good	2.442 \| good	0.153 \| good
2026-01-24T19:00:00.000Z	22 \| good	3.525 \| good	15.906 \| good	23.699 \| good	1.618 \| good	2.979 \| good	0.154 \| good
2026-01-24T20:00:00.000Z	22 \| good	3.431 \| good	15.25 \| good	23.995 \| good	1.664 \| good	3.515 \| good	0.156 \| good
2026-01-24T21:00:00.000Z	23 \| good	2.789 \| good	11.256 \| good	25.212 \| good	1.711 \| good	4.052 \| good	0.157 \| good
2026-01-24T22:00:00.000Z	24 \| good	1.264 \| good	5.34 \| good	25.61 \| good	1.824 \| good	4.856 \| good	0.16 \| good
2026-01-24T23:00:00.000Z	22 \| good	1.163 \| good	4.845 \| good	24.439 \| good	1.937 \| good	5.661 \| good	0.164 \| good
2026-01-25T00:00:00.000Z	20 \| good	0.997 \| good	3.982 \| good	22.332 \| good	2.05 \| good	6.465 \| good	0.168 \| good
2026-01-25T01:00:00.000Z	20 \| good	1.995 \| good	8.336 \| good	21.547 \| good	2.312 \| good	6.475 \| good	0.168 \| good
2026-01-25T02:00:00.000Z	19 \| good	2.853 \| good	11.64 \| good	19.939 \| good	2.573 \| good	6.485 \| good	0.169 \| good
2026-01-25T03:00:00.000Z	18 \| good	2.69 \| good	10.943 \| good	19.024 \| good	2.835 \| good	6.495 \| good	0.169 \| good
2026-01-25T04:00:00.000Z	22 \| good	4.356 \| good	19.042 \| good	18.152 \| good	2.916 \| good	6.139 \| good	0.169 \| good
2026-01-25T05:00:00.000Z	22 \| good	4.2 \| good	18.291 \| good	17.399 \| good	2.996 \| good	5.783 \| good	0.168 \| good
2026-01-25T06:00:00.000Z	27 \| good	4.809 \| good	5.012 \| good	25.645 \| good	3.123 \| good	5.479 \| good	0.168 \| good
2026-01-25T07:00:00.000Z	38 \| good	7.074 \| good	31.185 \| good	16.589 \| good	2.754 \| good	5.391 \| good	0.169 \| good
2026-01-25T08:00:00.000Z	44 \| good	7.629 \| good	33.456 \| good	16.15 \| good	2.43 \| good	5.356 \| good	0.169 \| good
2026-01-25T09:00:00.000Z	49 \| good	8.544 \| good	37.562 \| good	17.114 \| good	2.107 \| good	5.32 \| good	0.17 \| good
2026-01-25T10:00:00.000Z	49 \| good	8.583 \| good	37.827 \| good	15.487 \| good	1.906 \| good	6.164 \| good	0.174 \| good

Columbia

Empower business decisions with accurate air quality data

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

0.18ppm

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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Frequently asked questions

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

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

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

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

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

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

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

The real-time air quality index in Columbia, Maryland is 25, currently categorized as Good.

Which pollutant is found most often in Columbia, Maryland?

The most common pollutant in Columbia, Maryland is O3.

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

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

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

The measured PM_2.5 levels in Columbia, Maryland at present are 4.425 μg/m³.

What are the current PM₁₀ levels at Columbia, Maryland?

The current PM₁₀ levels in Columbia, Maryland are 18.801 μg/m³.

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

The current carbon monoxide (CO) level in Columbia, Maryland is 0.198 ppm.

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

The current sulfur dioxide (SO₂) levels in Columbia, Maryland are 0.565 ppb.

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

The current ozone (O₃) levels at Columbia, Maryland is 26.801 ppm.

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

The current nitrogen dioxide (NO₂) levels at Columbia, Maryland is 24.931 ppb.

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