What is the current concentration of PM10 in Annapolis, Maryland?

The current PM10 concentration at Annapolis, Maryland is 18.972 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Annapolis, Maryland?

The current sulfur dioxide (SO2) concentration at Annapolis, Maryland is 0.332 ppb.

What is the current concentration of ozone (O3) in Annapolis, Maryland?

The current ozone (O3) concentration at Annapolis, Maryland is 45.994 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Annapolis, Maryland?

The current nitrogen dioxide (NO2) concentration at Annapolis, Maryland is 3.505 ppb.

Annapolis, Maryland live air quality index now

Q: What is the current concentration of PM2.5 in Annapolis, Maryland?

The current PM2.5 concentration at Annapolis, Maryland is 4.877 μg/m3.

Stay updated with real-time air quality in Annapolis, 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

Annapolis, Maryland

Last updated: ... (Local time)

Major air pollutants in Annapolis, Maryland

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.88 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

18.97 μg/m³

155

255

425

605+

Ozone (O₃)

45.99 ppb

201

201+

Sulfur Dioxide (SO₂)

0.33 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.50 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.21 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Annapolis, Maryland

Scroll To Air Quality Map

Track live Annapolis, Maryland air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-07T22:00:00.000Z	38 \| good	6.509 \| good	24.322 \| good	28.978 \| good	0.266 \| good	5.687 \| good	0.202 \| good
2026-03-07T23:00:00.000Z	38 \| good	7.289 \| good	28.444 \| good	26.159 \| good	0.359 \| good	5.693 \| good	0.226 \| good
2026-03-08T00:00:00.000Z	44 \| good	7.688 \| good	32.89 \| good	27.771 \| good	0.289 \| good	7.181 \| good	0.286 \| good
2026-03-08T01:00:00.000Z	52 \| moderate	9.935 \| good	41.607 \| good	23.832 \| good	0.262 \| good	12.273 \| good	0.364 \| good
2026-03-08T02:00:00.000Z	52 \| moderate	9.61 \| good	42.022 \| good	22.103 \| good	0.248 \| good	15.844 \| good	0.41 \| good
2026-03-08T03:00:00.000Z	33 \| good	6.486 \| good	29.165 \| good	21.134 \| good	1.03 \| good	5.719 \| good	0.137 \| good
2026-03-08T04:00:00.000Z	38 \| good	6.912 \| good	32.494 \| good	16.542 \| good	0.248 \| good	11.207 \| good	0.359 \| good
2026-03-08T05:00:00.000Z	44 \| good	7.95 \| good	40.684 \| good	11.396 \| good	0.283 \| good	14.062 \| good	0.398 \| good
2026-03-08T06:00:00.000Z	56 \| moderate	12.094 \| good	31.458 \| good	10.696 \| good	0.244 \| good	15.909 \| good	0.493 \| good
2026-03-08T07:00:00.000Z	58 \| moderate	12.655 \| fine	40.472 \| good	6.58 \| good	0.258 \| good	16.419 \| good	0.528 \| good
2026-03-08T08:00:00.000Z	44 \| good	8.208 \| good	36.187 \| good	6.315 \| good	0.296 \| good	15.314 \| good	0.468 \| good
2026-03-08T09:00:00.000Z	49 \| good	8.88 \| good	25.504 \| good	13.63 \| good	0.34 \| good	14.72 \| good	0.394 \| good
2026-03-08T10:00:00.000Z	44 \| good	8.291 \| good	34.495 \| good	15.846 \| good	0.383 \| good	15.151 \| good	0.353 \| good
2026-03-08T11:00:00.000Z	57 \| moderate	11.885 \| good	68.095 \| fine	17.557 \| good	0.442 \| good	12.014 \| good	0.312 \| good
2026-03-08T12:00:00.000Z	54 \| moderate	11.136 \| good	50.134 \| good	9.413 \| good	0.523 \| good	11.378 \| good	0.272 \| good
2026-03-08T13:00:00.000Z	49 \| good	9.404 \| good	43.993 \| good	18.684 \| good	0.512 \| good	13.004 \| good	0.272 \| good
2026-03-08T14:00:00.000Z	44 \| good	8.447 \| good	41.104 \| good	8.698 \| good	0.577 \| good	13.343 \| good	0.284 \| good
2026-03-08T15:00:00.000Z	52 \| moderate	10.345 \| good	57.986 \| fine	5.037 \| good	0.581 \| good	14.965 \| good	0.379 \| good
2026-03-08T16:00:00.000Z	60 \| moderate	13.95 \| fine	31.408 \| good	15.777 \| good	0.483 \| good	14.615 \| good	0.283 \| good
2026-03-08T17:00:00.000Z	54 \| moderate	11.278 \| good	25.786 \| good	27.226 \| good	0.48 \| good	12.814 \| good	0.223 \| good
2026-03-08T18:00:00.000Z	49 \| good	8.675 \| good	43.074 \| good	21.488 \| good	0.331 \| good	7.514 \| good	0.179 \| good
2026-03-08T19:00:00.000Z	34 \| good	5.075 \| good	29.117 \| good	37.352 \| good	0.349 \| good	4.341 \| good	0.179 \| good
2026-03-08T20:00:00.000Z	35 \| good	4.107 \| good	19.485 \| good	37.508 \| good	0.301 \| good	2.507 \| good	0.154 \| good
2026-03-08T21:00:00.000Z	32 \| good	2.741 \| good	15.868 \| good	34.851 \| good	0.253 \| good	2.741 \| good	0.154 \| good
2026-03-08T22:00:00.000Z	35 \| good	1.774 \| good	13.947 \| good	38.081 \| good	0.258 \| good	2.325 \| good	0.162 \| good
2026-03-08T23:00:00.000Z	35 \| good	3.176 \| good	21.768 \| good	37.639 \| good	0.246 \| good	2.993 \| good	0.162 \| good
2026-03-09T00:00:00.000Z	29 \| good	5.453 \| good	24.691 \| good	31.255 \| good	0.311 \| good	10.966 \| good	0.148 \| good
2026-03-09T01:00:00.000Z	28 \| good	3.569 \| good	27.642 \| good	29.892 \| good	0.394 \| good	12.87 \| good	0.193 \| good
2026-03-09T02:00:00.000Z	31 \| good	4.186 \| good	15.623 \| good	33.3 \| good	0.36 \| good	9.446 \| good	0.195 \| good
2026-03-09T03:00:00.000Z	49 \| good	9.23 \| good	40.987 \| good	11.695 \| good	2.289 \| good	23.744 \| good	0.348 \| good
2026-03-09T04:00:00.000Z	22 \| good	4.418 \| good	16.946 \| good	23.206 \| good	0.298 \| good	23.404 \| good	0.297 \| good
2026-03-09T05:00:00.000Z	27 \| good	4.74 \| good	28.429 \| good	25.793 \| good	0.297 \| good	23.061 \| good	0.359 \| good
2026-03-09T06:00:00.000Z	33 \| good	5.891 \| good	22.255 \| good	15.817 \| good	0.288 \| good	20.893 \| good	0.394 \| good
2026-03-09T07:00:00.000Z	33 \| good	6.191 \| good	30.896 \| good	14.999 \| good	0.3 \| good	25.119 \| good	0.391 \| good
2026-03-09T08:00:00.000Z	22 \| good	3.946 \| good	22.321 \| good	16.486 \| good	0.349 \| good	19.492 \| good	0.396 \| good
2026-03-09T09:00:00.000Z	27 \| good	5.44 \| good	26.982 \| good	16.57 \| good	0.323 \| good	20.292 \| good	0.395 \| good
2026-03-09T10:00:00.000Z	49 \| good	8.998 \| good	44.541 \| good	10.264 \| good	0.387 \| good	19.44 \| good	0.418 \| good
2026-03-09T11:00:00.000Z	33 \| good	5.803 \| good	19.088 \| good	13.883 \| good	0.56 \| good	23.752 \| good	0.435 \| good
2026-03-09T12:00:00.000Z	38 \| good	6.69 \| good	19.401 \| good	3.813 \| good	0.898 \| good	28.18 \| good	0.594 \| good
2026-03-09T13:00:00.000Z	52 \| moderate	9.514 \| good	43.154 \| good	4.087 \| good	0.967 \| good	28.099 \| good	0.681 \| good
2026-03-09T14:00:00.000Z	58 \| moderate	12.961 \| fine	42.195 \| good	14.373 \| good	1.356 \| good	24.549 \| good	0.765 \| good
2026-03-09T15:00:00.000Z	52 \| moderate	9.826 \| good	39.05 \| good	9.352 \| good	1.335 \| good	29.571 \| good	0.629 \| good
2026-03-09T16:00:00.000Z	44 \| good	7.56 \| good	33.487 \| good	24.773 \| good	0.613 \| good	19.722 \| good	0.487 \| good
2026-03-09T17:00:00.000Z	31 \| good	5.171 \| good	25.722 \| good	34.016 \| good	0.449 \| good	7.553 \| good	0.307 \| good
2026-03-09T18:00:00.000Z	33 \| good	3.724 \| good	20.502 \| good	36.283 \| good	0.294 \| good	7.634 \| good	0.159 \| good
2026-03-09T19:00:00.000Z	38 \| good	5.208 \| good	14.089 \| good	40.554 \| good	0.284 \| good	4.151 \| good	0.181 \| good
2026-03-09T20:00:00.000Z	35 \| good	3.026 \| good	12.005 \| good	38.007 \| good	0.225 \| good	3.523 \| good	0.194 \| good
2026-03-09T21:00:00.000Z	41 \| good	3.52 \| good	15.792 \| good	44.337 \| good	0.177 \| good	3.386 \| good	0.208 \| good
2026-03-09T21:00:00.000Z	43 \| good	4.877 \| good	18.972 \| good	45.994 \| good	0.332 \| good	3.505 \| good	0.208 \| good
2026-03-09T22:00:00.000Z	37 \| good	5.006 \| good	21.848 \| good	40.479 \| good	2.04 \| good	10.702 \| good	0.264 \| good
2026-03-09T23:00:00.000Z	36 \| good	5.542 \| good	23.95 \| good	39.346 \| good	1.683 \| good	13.105 \| good	0.27 \| good
2026-03-10T00:00:00.000Z	33 \| good	5.582 \| good	24.137 \| good	36.235 \| good	1.326 \| good	15.509 \| good	0.275 \| good
2026-03-10T01:00:00.000Z	33 \| good	6.054 \| good	26.929 \| good	32.758 \| good	1.173 \| good	14.363 \| good	0.265 \| good
2026-03-10T02:00:00.000Z	44 \| good	7.628 \| good	33.879 \| good	36.315 \| good	1.021 \| good	13.217 \| good	0.255 \| good
2026-03-10T03:00:00.000Z	44 \| good	7.614 \| good	33.947 \| good	33.242 \| good	0.868 \| good	12.07 \| good	0.245 \| good
2026-03-10T04:00:00.000Z	38 \| good	7.431 \| good	32.996 \| good	32.169 \| good	0.873 \| good	11.787 \| good	0.24 \| good
2026-03-10T05:00:00.000Z	44 \| good	8.487 \| good	37.029 \| good	32.293 \| good	0.877 \| good	11.503 \| good	0.235 \| good
2026-03-10T06:00:00.000Z	49 \| good	9.155 \| good	41.055 \| good	29.187 \| good	0.882 \| good	11.219 \| good	0.229 \| good
2026-03-10T07:00:00.000Z	52 \| moderate	9.737 \| good	43.112 \| good	11.939 \| good	0.984 \| good	11.647 \| good	0.229 \| good
2026-03-10T08:00:00.000Z	49 \| good	9.296 \| good	41.1 \| good	10.845 \| good	1.087 \| good	12.076 \| good	0.228 \| good
2026-03-10T09:00:00.000Z	44 \| good	8.047 \| good	34.996 \| good	10.994 \| good	1.189 \| good	12.504 \| good	0.227 \| good
2026-03-10T10:00:00.000Z	33 \| good	6.361 \| good	28.162 \| good	21.772 \| good	1.259 \| good	13.1 \| good	0.245 \| good
2026-03-10T11:00:00.000Z	44 \| good	8.072 \| good	35.121 \| good	17.858 \| good	1.328 \| good	13.696 \| good	0.263 \| good
2026-03-10T12:00:00.000Z	44 \| good	7.707 \| good	33.999 \| good	15.649 \| good	1.397 \| good	14.291 \| good	0.281 \| good
2026-03-10T13:00:00.000Z	44 \| good	7.84 \| good	34.05 \| good	18.184 \| good	1.44 \| good	13.035 \| good	0.283 \| good
2026-03-10T14:00:00.000Z	44 \| good	8.355 \| good	36.775 \| good	22.271 \| good	1.484 \| good	11.78 \| good	0.285 \| good
2026-03-10T15:00:00.000Z	49 \| good	8.579 \| good	37.73 \| good	30.841 \| good	1.527 \| good	10.524 \| good	0.286 \| good
2026-03-10T16:00:00.000Z	44 \| good	8.165 \| good	35.837 \| good	40.467 \| good	1.424 \| good	9.155 \| good	0.272 \| good
2026-03-10T17:00:00.000Z	42 \| good	7.358 \| good	32.728 \| good	45.219 \| good	1.322 \| good	7.787 \| good	0.257 \| good
2026-03-10T18:00:00.000Z	49 \| good	9.07 \| good	40.456 \| good	40.177 \| good	1.22 \| good	6.418 \| good	0.242 \| good
2026-03-10T19:00:00.000Z	49 \| good	9.264 \| good	41.526 \| good	40.064 \| good	1.113 \| good	6.439 \| good	0.237 \| good
2026-03-10T20:00:00.000Z	44 \| good	8.442 \| good	36.871 \| good	39.331 \| good	1.006 \| good	6.46 \| good	0.232 \| good
2026-03-10T21:00:00.000Z	49 \| good	8.668 \| good	37.868 \| good	38.642 \| good	0.899 \| good	6.481 \| good	0.227 \| good
2026-03-10T22:00:00.000Z	38 \| good	7.24 \| good	31.92 \| good	39.963 \| good	0.9 \| good	7.953 \| good	0.232 \| good
2026-03-10T23:00:00.000Z	44 \| good	8.401 \| good	36.954 \| good	41.368 \| good	0.902 \| good	9.424 \| good	0.237 \| good
2026-03-11T00:00:00.000Z	40 \| good	6.257 \| good	27.989 \| good	42.6 \| good	0.903 \| good	10.896 \| good	0.242 \| good
2026-03-11T01:00:00.000Z	40 \| good	6.266 \| good	27.986 \| good	42.618 \| good	0.938 \| good	10.044 \| good	0.236 \| good
2026-03-11T02:00:00.000Z	52 \| moderate	9.992 \| good	44.803 \| good	40.193 \| good	0.973 \| good	9.192 \| good	0.231 \| good
2026-03-11T03:00:00.000Z	49 \| good	8.9 \| good	39.257 \| good	35.359 \| good	1.008 \| good	8.34 \| good	0.225 \| good
2026-03-11T04:00:00.000Z	44 \| good	8.036 \| good	35.16 \| good	30.54 \| good	1.009 \| good	8.097 \| good	0.22 \| good
2026-03-11T05:00:00.000Z	44 \| good	7.709 \| good	34.116 \| good	26.655 \| good	1.009 \| good	7.854 \| good	0.214 \| good
2026-03-11T06:00:00.000Z	66 \| moderate	17.389 \| fine	17.504 \| good	30.278 \| good	1.016 \| good	7.604 \| good	0.208 \| good
2026-03-11T07:00:00.000Z	44 \| good	8.027 \| good	35.203 \| good	23.079 \| good	1.127 \| good	7.274 \| good	0.199 \| good
2026-03-11T08:00:00.000Z	52 \| moderate	9.878 \| good	43.998 \| good	16.653 \| good	1.244 \| good	6.936 \| good	0.19 \| good
2026-03-11T09:00:00.000Z	49 \| good	9.08 \| good	40.843 \| good	14.262 \| good	1.361 \| good	6.599 \| good	0.181 \| good
2026-03-11T10:00:00.000Z	44 \| good	8.19 \| good	36.055 \| good	19.266 \| good	1.456 \| good	7.469 \| good	0.183 \| good
2026-03-11T11:00:00.000Z	44 \| good	7.501 \| good	33.035 \| good	20.162 \| good	1.552 \| good	8.34 \| good	0.185 \| good
2026-03-11T12:00:00.000Z	60 \| moderate	13.774 \| fine	13.868 \| good	23.33 \| good	1.645 \| good	9.182 \| good	0.187 \| good
2026-03-11T13:00:00.000Z	60 \| moderate	13.665 \| fine	13.741 \| good	24.301 \| good	1.637 \| good	8.227 \| good	0.19 \| good
2026-03-11T14:00:00.000Z	58 \| moderate	13.258 \| fine	13.33 \| good	25.272 \| good	1.629 \| good	7.272 \| good	0.194 \| good
2026-03-11T15:00:00.000Z	58 \| moderate	13.035 \| fine	13.106 \| good	26.243 \| good	1.62 \| good	6.317 \| good	0.197 \| good
2026-03-11T16:00:00.000Z	58 \| moderate	13.392 \| fine	13.46 \| good	28.537 \| good	1.413 \| good	5.632 \| good	0.189 \| good
2026-03-11T17:00:00.000Z	33 \| good	5.864 \| good	25.087 \| good	27.95 \| good	1.201 \| good	4.973 \| good	0.181 \| good
2026-03-11T18:00:00.000Z	58 \| moderate	13.224 \| fine	13.294 \| good	33.124 \| good	0.997 \| good	4.26 \| good	0.173 \| good
2026-03-11T19:00:00.000Z	58 \| moderate	12.956 \| fine	13.047 \| good	34.016 \| good	0.887 \| good	4.375 \| good	0.17 \| good
2026-03-11T20:00:00.000Z	58 \| moderate	12.505 \| fine	12.595 \| good	34.908 \| good	0.776 \| good	4.489 \| good	0.167 \| good
2026-03-11T21:00:00.000Z	56 \| moderate	12.134 \| fine	12.209 \| good	35.8 \| good	0.666 \| good	4.603 \| good	0.163 \| good

Annapolis

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Annapolis, Maryland air quality map: Track AQI near you

0.17ppm

How accurate is Maryland, USA air quality data?

Air quality data and pollutant measurements for Maryland, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.

Source: Ambee Data Sources

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Frequently asked questions

How often is the air quality data for Annapolis, Maryland updated?

The air quality for Annapolis, Maryland is updated every hour.

When was the worst air quality at Annapolis, Maryland in the last 24 hrs?

The worst air quality in Annapolis, Maryland in the last 24 hours was observed at 02:00:00 on 2026-03-09.

When was the best air quality at Annapolis, Maryland in the last 24 hrs?

In the last 24 hrs, the best air quality in Annapolis, Maryland was observed at 08:00:00 on 2026-03-09.

What is the current air quality in Annapolis, Maryland?

The current air quality in Annapolis, Maryland is 43, categorized as Good based on real-time data.

What pollutant is the most common in Annapolis, Maryland?

The most common pollutant in Annapolis, Maryland is O3.

What should I do if the air quality in Annapolis, Maryland is poor?

If the air quality in Annapolis, Maryland is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Annapolis, Maryland?

The current PM_2.5 concentration at Annapolis, Maryland is 4.877 μg/m³.

What is the current concentration of PM₁₀ in Annapolis, Maryland?

The current PM₁₀ concentration at Annapolis, Maryland is 18.972 μg/m³.

What is the current concentration of carbon monoxide (CO) in Annapolis, Maryland?

The current carbon monoxide (CO) concentration at Annapolis, Maryland is 0.208 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Annapolis, Maryland?

The current sulfur dioxide (SO₂) concentration at Annapolis, Maryland is 0.332 ppb.

What is the current concentration of ozone (O₃) in Annapolis, Maryland?

The current ozone (O₃) concentration at Annapolis, Maryland is 45.994 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Annapolis, Maryland?

The current nitrogen dioxide (NO₂) concentration at Annapolis, Maryland is 3.505 ppb.

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