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

The current PM10 concentration at Annapolis, Maryland is 66.171 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Annapolis, Maryland is 0.454 ppb.

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

The current ozone (O3) concentration at Annapolis, Maryland is 26.019 ppm.

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

The current nitrogen dioxide (NO2) concentration at Annapolis, Maryland is 15.138 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 11.422 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)

Moderate

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)

11.42 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

66.17 μg/m³

155

255

425

605+

Ozone (O₃)

26.02 ppb

201

201+

Sulfur Dioxide (SO₂)

0.45 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

15.14 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 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
2026-03-09T17:00:00.000Z	37 \| good	3.361 \| good	34.847 \| good	40.017 \| good	0.48 \| good	7.072 \| good	0.312 \| good
2026-03-09T18:00:00.000Z	38 \| good	3.494 \| good	13.302 \| good	40.95 \| good	0.322 \| good	4.918 \| good	0.158 \| good
2026-03-09T19:00:00.000Z	54 \| moderate	11.08 \| good	61.888 \| fine	36.243 \| good	0.387 \| good	2.761 \| good	0.145 \| good
2026-03-09T20:00:00.000Z	35 \| good	4.476 \| good	12.847 \| good	38.392 \| good	0.376 \| good	3.198 \| good	0.192 \| 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	40 \| good	3.226 \| good	15.812 \| good	43.1 \| good	0.354 \| good	4.476 \| good	0.245 \| good
2026-03-09T23:00:00.000Z	41 \| good	3.167 \| good	12.944 \| good	43.642 \| good	0.912 \| good	2.733 \| good	0.237 \| good
2026-03-10T00:00:00.000Z	38 \| good	2.005 \| good	17.868 \| good	40.719 \| good	1.077 \| good	1.768 \| good	0.245 \| good
2026-03-10T01:00:00.000Z	34 \| good	3.743 \| good	13.969 \| good	36.507 \| good	0.434 \| good	9.456 \| good	0.179 \| good
2026-03-10T02:00:00.000Z	29 \| good	4.656 \| good	11.627 \| good	30.754 \| good	0.318 \| good	19.996 \| good	0.293 \| good
2026-03-10T03:00:00.000Z	49 \| good	9.417 \| good	42.01 \| good	27.52 \| good	0.728 \| good	10.249 \| good	0.232 \| good
2026-03-10T04:00:00.000Z	33 \| good	5.679 \| good	25.266 \| good	31.432 \| good	0.319 \| good	11.006 \| good	0.235 \| good
2026-03-10T05:00:00.000Z	33 \| good	6.252 \| good	31.067 \| good	30.268 \| good	0.278 \| good	9.249 \| good	0.308 \| good
2026-03-10T06:00:00.000Z	27 \| good	5.5 \| good	24.101 \| good	26.301 \| good	0.276 \| good	15.266 \| good	0.293 \| good
2026-03-10T07:00:00.000Z	27 \| good	5.482 \| good	17.105 \| good	23.168 \| good	0.274 \| good	13.327 \| good	0.293 \| good
2026-03-10T08:00:00.000Z	38 \| good	6.616 \| good	23.133 \| good	16.701 \| good	0.352 \| good	13.861 \| good	0.316 \| good
2026-03-10T09:00:00.000Z	33 \| good	6.41 \| good	28.835 \| good	15.802 \| good	0.295 \| good	15.47 \| good	0.32 \| good
2026-03-10T10:00:00.000Z	44 \| good	7.883 \| good	25.824 \| good	13.035 \| good	0.366 \| good	13.422 \| good	0.398 \| good
2026-03-10T11:00:00.000Z	54 \| moderate	11.141 \| good	50.759 \| good	11.907 \| good	0.338 \| good	16.531 \| good	0.416 \| good
2026-03-10T12:00:00.000Z	44 \| good	8.455 \| good	40.553 \| good	4.978 \| good	0.419 \| good	15.888 \| good	0.502 \| good
2026-03-10T13:00:00.000Z	44 \| good	8.4 \| good	34.165 \| good	8.028 \| good	0.406 \| good	20.15 \| good	0.543 \| good
2026-03-10T14:00:00.000Z	44 \| good	8.451 \| good	32.336 \| good	7.063 \| good	0.634 \| good	17.741 \| good	0.782 \| good
2026-03-10T15:00:00.000Z	52 \| moderate	9.933 \| good	45.429 \| good	11.431 \| good	0.791 \| good	18.14 \| good	0.64 \| good
2026-03-10T16:00:00.000Z	51 \| moderate	8.519 \| good	55.478 \| fine	25.267 \| good	0.837 \| good	25.219 \| good	0.517 \| good
2026-03-10T17:00:00.000Z	33 \| good	6.102 \| good	27.944 \| good	27.558 \| good	0.737 \| good	20.001 \| good	0.355 \| good
2026-03-10T18:00:00.000Z	48 \| good	8.434 \| good	52.479 \| good	33.89 \| good	0.423 \| good	13.309 \| good	0.22 \| good
2026-03-10T19:00:00.000Z	46 \| good	6.11 \| good	49.887 \| good	37.693 \| good	0.417 \| good	8.862 \| good	0.172 \| good
2026-03-10T20:00:00.000Z	40 \| good	3.73 \| good	26.577 \| good	43.337 \| good	0.373 \| good	6.636 \| good	0.172 \| good
2026-03-10T21:00:00.000Z	38 \| good	4.079 \| good	22.666 \| good	41.196 \| good	0.403 \| good	4.297 \| good	0.221 \| good
2026-03-10T22:00:00.000Z	43 \| good	3.419 \| good	14.842 \| good	45.52 \| good	0.502 \| good	3.198 \| good	0.178 \| good
2026-03-10T23:00:00.000Z	42 \| good	5.038 \| good	22.684 \| good	44.535 \| good	0.465 \| good	4.334 \| good	0.183 \| good
2026-03-11T00:00:00.000Z	41 \| good	5.208 \| good	29.088 \| good	43.572 \| good	0.47 \| good	6.3 \| good	0.199 \| good
2026-03-11T01:00:00.000Z	43 \| good	5.218 \| good	24.581 \| good	46.423 \| good	0.393 \| good	4.967 \| good	0.219 \| good
2026-03-11T02:00:00.000Z	40 \| good	7.227 \| good	34.158 \| good	42.634 \| good	0.382 \| good	10.177 \| good	0.278 \| good
2026-03-11T03:00:00.000Z	49 \| good	8.527 \| good	30.261 \| good	37.177 \| good	0.383 \| good	11.012 \| good	0.26 \| good
2026-03-11T04:00:00.000Z	33 \| good	6.429 \| good	35.284 \| good	35.274 \| good	0.374 \| good	8.857 \| good	0.242 \| good
2026-03-11T05:00:00.000Z	49 \| good	9.389 \| good	29.723 \| good	27.184 \| good	0.313 \| good	8.514 \| good	0.201 \| good
2026-03-11T06:00:00.000Z	44 \| good	8.376 \| good	31.76 \| good	32.52 \| good	0.355 \| good	8.878 \| good	0.203 \| good
2026-03-11T07:00:00.000Z	44 \| good	8.031 \| good	23.619 \| good	34.65 \| good	0.341 \| good	5.894 \| good	0.22 \| good
2026-03-11T08:00:00.000Z	49 \| good	9.019 \| good	33.947 \| good	34.363 \| good	0.322 \| good	8.507 \| good	0.223 \| good
2026-03-11T09:00:00.000Z	54 \| moderate	11.392 \| good	45.528 \| good	33.84 \| good	0.324 \| good	13.595 \| good	0.223 \| good
2026-03-11T10:00:00.000Z	54 \| moderate	10.634 \| good	34.57 \| good	31.225 \| good	0.305 \| good	12.92 \| good	0.242 \| good
2026-03-11T11:00:00.000Z	58 \| moderate	12.57 \| fine	57.136 \| fine	27.14 \| good	0.372 \| good	11.175 \| good	0.304 \| good
2026-03-11T12:00:00.000Z	56 \| moderate	12.436 \| fine	58.31 \| fine	22.924 \| good	0.383 \| good	10.391 \| good	0.324 \| good
2026-03-11T13:00:00.000Z	56 \| moderate	12.41 \| fine	50.71 \| good	17.599 \| good	0.383 \| good	12.949 \| good	0.359 \| good
2026-03-11T14:00:00.000Z	52 \| moderate	10.48 \| good	37.287 \| good	22.066 \| good	0.46 \| good	17.005 \| good	0.322 \| good
2026-03-11T15:00:00.000Z	56 \| moderate	11.422 \| good	66.171 \| fine	26.019 \| good	0.454 \| good	15.138 \| good	0.239 \| good
2026-03-11T16:00:00.000Z	56 \| moderate	11.422 \| good	66.171 \| fine	26.019 \| good	0.454 \| good	15.138 \| good	0.239 \| good
2026-03-11T17:00:00.000Z	49 \| good	9.347 \| good	41.68 \| good	37.928 \| good	1.474 \| good	5.652 \| good	0.204 \| good
2026-03-11T18:00:00.000Z	49 \| good	9.403 \| good	41.694 \| good	43.464 \| good	1.455 \| good	4.507 \| good	0.2 \| good
2026-03-11T19:00:00.000Z	52 \| moderate	10.108 \| good	45.197 \| good	42.96 \| good	1.344 \| good	4.61 \| good	0.198 \| good
2026-03-11T20:00:00.000Z	54 \| moderate	10.989 \| good	48.614 \| good	43.434 \| good	1.234 \| good	4.712 \| good	0.196 \| good
2026-03-11T21:00:00.000Z	54 \| moderate	10.675 \| good	47.373 \| good	42.524 \| good	1.123 \| good	4.815 \| good	0.194 \| good
2026-03-11T22:00:00.000Z	49 \| good	9.259 \| good	41.425 \| good	41.54 \| good	1.104 \| good	5.208 \| good	0.184 \| good
2026-03-11T23:00:00.000Z	44 \| good	7.629 \| good	33.765 \| good	41.311 \| good	1.085 \| good	5.601 \| good	0.174 \| good
2026-03-12T00:00:00.000Z	32 \| good	5.333 \| good	23.215 \| good	34.655 \| good	1.065 \| good	5.993 \| good	0.163 \| good
2026-03-12T01:00:00.000Z	34 \| good	4.99 \| good	21.325 \| good	37.178 \| good	1.031 \| good	5.69 \| good	0.157 \| good
2026-03-12T02:00:00.000Z	33 \| good	5.151 \| good	22.123 \| good	36.485 \| good	0.996 \| good	5.387 \| good	0.15 \| good
2026-03-12T03:00:00.000Z	31 \| good	5.306 \| good	23.044 \| good	34.202 \| good	0.961 \| good	5.084 \| good	0.143 \| good
2026-03-12T04:00:00.000Z	31 \| good	5.273 \| good	23.006 \| good	32.702 \| good	1.009 \| good	4.613 \| good	0.138 \| good
2026-03-12T05:00:00.000Z	28 \| good	4.895 \| good	21.056 \| good	30.486 \| good	1.056 \| good	4.142 \| good	0.134 \| good
2026-03-12T06:00:00.000Z	27 \| good	5.289 \| good	22.866 \| good	28.364 \| good	1.104 \| good	3.671 \| good	0.129 \| good
2026-03-12T07:00:00.000Z	27 \| good	4.684 \| good	20.271 \| good	25.241 \| good	1.094 \| good	3.344 \| good	0.125 \| good
2026-03-12T08:00:00.000Z	22 \| good	3.988 \| good	17.3 \| good	24.182 \| good	1.084 \| good	3.016 \| good	0.122 \| good
2026-03-12T09:00:00.000Z	22 \| good	4.002 \| good	17.332 \| good	23.313 \| good	1.075 \| good	2.689 \| good	0.118 \| good
2026-03-12T10:00:00.000Z	27 \| good	5.121 \| good	22.248 \| good	20.608 \| good	1.082 \| good	2.693 \| good	0.134 \| good
2026-03-12T11:00:00.000Z	20 \| good	3.451 \| good	15.094 \| good	21.677 \| good	1.089 \| good	2.696 \| good	0.149 \| good
2026-03-12T12:00:00.000Z	22 \| good	2.787 \| good	11.294 \| good	24.031 \| good	1.097 \| good	2.7 \| good	0.164 \| good
2026-03-12T13:00:00.000Z	22 \| good	3.114 \| good	12.668 \| good	24.482 \| good	1.068 \| good	3.103 \| good	0.16 \| good
2026-03-12T14:00:00.000Z	25 \| good	3.961 \| good	17.235 \| good	26.581 \| good	1.04 \| good	3.506 \| good	0.155 \| good
2026-03-12T15:00:00.000Z	27 \| good	3.38 \| good	15.057 \| good	29.187 \| good	1.012 \| good	3.909 \| good	0.15 \| good
2026-03-12T16:00:00.000Z	30 \| good	2.967 \| good	12.229 \| good	31.752 \| good	1.153 \| good	4.455 \| good	0.157 \| good
2026-03-12T17:00:00.000Z	29 \| good	2.68 \| good	11.049 \| good	30.556 \| good	1.295 \| good	5 \| good	0.164 \| good
2026-03-12T18:00:00.000Z	30 \| good	2.745 \| good	11.115 \| good	31.509 \| good	1.436 \| good	5.546 \| good	0.17 \| good
2026-03-12T19:00:00.000Z	33 \| good	2.433 \| good	10.018 \| good	36.461 \| good	1.623 \| good	5.387 \| good	0.17 \| good
2026-03-12T20:00:00.000Z	34 \| good	2.936 \| good	12.117 \| good	36.638 \| good	1.81 \| good	5.227 \| good	0.17 \| good
2026-03-12T21:00:00.000Z	35 \| good	2.352 \| good	9.943 \| good	37.608 \| good	1.997 \| good	5.068 \| good	0.169 \| good
2026-03-12T22:00:00.000Z	36 \| good	1.429 \| good	5.922 \| good	38.768 \| good	1.897 \| good	5.546 \| good	0.171 \| good
2026-03-12T23:00:00.000Z	36 \| good	1.213 \| good	4.997 \| good	38.983 \| good	1.796 \| good	6.024 \| good	0.173 \| good
2026-03-13T00:00:00.000Z	31 \| good	1.079 \| good	4.294 \| good	34.461 \| good	1.695 \| good	6.502 \| good	0.174 \| good
2026-03-13T01:00:00.000Z	31 \| good	1.354 \| good	5.314 \| good	32.662 \| good	1.679 \| good	7.621 \| good	0.181 \| good
2026-03-13T02:00:00.000Z	27 \| good	1.769 \| good	7.294 \| good	28.777 \| good	1.663 \| good	8.739 \| good	0.187 \| good
2026-03-13T03:00:00.000Z	22 \| good	2.047 \| good	8.306 \| good	24.274 \| good	1.647 \| good	9.857 \| good	0.194 \| good
2026-03-13T04:00:00.000Z	18 \| good	3.197 \| good	14.028 \| good	19.379 \| good	1.709 \| good	10.866 \| good	0.201 \| good
2026-03-13T05:00:00.000Z	22 \| good	4.454 \| good	19.321 \| good	16.334 \| good	1.771 \| good	11.876 \| good	0.208 \| good
2026-03-13T06:00:00.000Z	27 \| good	5.058 \| good	21.969 \| good	14.853 \| good	1.832 \| good	12.886 \| good	0.216 \| good
2026-03-13T07:00:00.000Z	27 \| good	4.813 \| good	20.965 \| good	15.602 \| good	1.869 \| good	13.497 \| good	0.22 \| good
2026-03-13T08:00:00.000Z	27 \| good	4.751 \| good	20.877 \| good	16.6 \| good	1.905 \| good	14.108 \| good	0.225 \| good
2026-03-13T09:00:00.000Z	22 \| good	4.126 \| good	18.186 \| good	18.594 \| good	1.941 \| good	14.719 \| good	0.229 \| good
2026-03-13T10:00:00.000Z	18 \| good	3.277 \| good	14.263 \| good	19.234 \| good	1.895 \| good	12.881 \| good	0.219 \| good
2026-03-13T11:00:00.000Z	19 \| good	2.891 \| good	11.99 \| good	20.072 \| good	1.848 \| good	11.043 \| good	0.208 \| good
2026-03-13T12:00:00.000Z	22 \| good	3.502 \| good	15.341 \| good	23.162 \| good	1.802 \| good	9.205 \| good	0.198 \| good
2026-03-13T13:00:00.000Z	33 \| good	5.677 \| good	24.185 \| good	28.872 \| good	1.85 \| good	7.218 \| good	0.188 \| good
2026-03-13T14:00:00.000Z	33 \| good	6.105 \| good	27.018 \| good	32.9 \| good	1.898 \| good	5.231 \| good	0.178 \| good
2026-03-13T15:00:00.000Z	33 \| good	6.268 \| good	28.05 \| good	35.738 \| good	1.946 \| good	3.245 \| good	0.168 \| good
2026-03-13T16:00:00.000Z	35 \| good	5.208 \| good	22.34 \| good	37.895 \| good	1.775 \| good	2.768 \| good	0.162 \| good

Annapolis

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Annapolis, Maryland air quality map: Track AQI near you

0.24ppm

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 11:00:00 on 2026-03-11.

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 04:00:00 on 2026-03-11.

What is the current air quality in Annapolis, Maryland?

The current air quality in Annapolis, Maryland is 56, categorized as Moderate based on real-time data.

What pollutant is the most common in Annapolis, Maryland?

The most common pollutant in Annapolis, Maryland is PM10.

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 11.422 μg/m³.

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

The current PM₁₀ concentration at Annapolis, Maryland is 66.171 μg/m³.

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

The current carbon monoxide (CO) concentration at Annapolis, Maryland is 0.239 ppm.

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

The current sulfur dioxide (SO₂) concentration at Annapolis, Maryland is 0.454 ppb.

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

The current ozone (O₃) concentration at Annapolis, Maryland is 26.019 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Annapolis, Maryland is 15.138 ppb.

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