What is the current level of PM10 in Largo, Maryland?

Largo, Maryland currently has a PM10 concentration of 45.227 μg/m3.

What is the current level of sulfur dioxide (SO2) in Largo, Maryland?

The current sulfur dioxide (SO2) concentration in Largo, Maryland is 0.173 ppb.

What is the current level of ozone (O3) in Largo, Maryland?

Largo, Maryland currently has an ozone (O3) concentration of 26.779 ppm.

What is the current level of nitrogen dioxide (NO2) in Largo, Maryland?

The current level of nitrogen dioxide (NO2) in Largo, Maryland is 3.277 ppb.

Current air quality index in Largo, Maryland today

Name: Live air pollution levels in Largo, Maryland today
Creator: Ambee

Stay updated with real-time air quality in Largo, 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

Largo, Maryland

Last updated: ... (Local time)

Common air pollutants in Largo, Maryland

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

11.76 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

48.77 μg/m³

155

255

425

605+

Ozone (O₃)

20.74 ppb

201

201+

Sulfur Dioxide (SO₂)

0.15 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

11.27 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.30 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Largo, Maryland

Get Live Pollen Counts

Largo, Maryland

Scroll To Air Quality Map

Track live Largo, Maryland air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-28T15:00:00.000Z	38 \| good	6.954 \| good	27.113 \| good	26.172 \| good	0.207 \| good	4.364 \| good	0.196 \| good
2025-07-28T16:00:00.000Z	44 \| good	8.319 \| good	35.022 \| good	28.693 \| good	0.187 \| good	3.621 \| good	0.196 \| good
2025-07-28T17:00:00.000Z	44 \| good	8.034 \| good	35.995 \| good	31.591 \| good	0.264 \| good	3.093 \| good	0.196 \| good
2025-07-28T18:00:00.000Z	44 \| good	8.298 \| good	30.354 \| good	33.52 \| good	0.26 \| good	2.729 \| good	0.176 \| good
2025-07-28T19:00:00.000Z	49 \| good	9.121 \| good	38.696 \| good	51.401 \| good	0.174 \| good	2.225 \| good	0.164 \| good
2025-07-28T20:00:00.000Z	49 \| good	8.585 \| good	33.197 \| good	47.103 \| good	0.168 \| good	2.574 \| good	0.182 \| good
2025-07-28T21:00:00.000Z	49 \| good	7.8 \| good	24.982 \| good	53.491 \| good	0.186 \| good	2.277 \| good	0.202 \| good
2025-07-28T22:00:00.000Z	49 \| good	8.63 \| good	38.72 \| good	46.119 \| good	0.151 \| good	2.247 \| good	0.202 \| good
2025-07-28T23:00:00.000Z	49 \| good	8.938 \| good	23 \| good	50.838 \| good	0.132 \| good	3.148 \| good	0.201 \| good
2025-07-29T00:00:00.000Z	43 \| good	6.448 \| good	28.079 \| good	46.403 \| good	0.162 \| good	5.096 \| good	0.227 \| good
2025-07-29T01:00:00.000Z	44 \| good	7.45 \| good	31.353 \| good	47.215 \| good	0.154 \| good	9.888 \| good	0.219 \| good
2025-07-29T02:00:00.000Z	44 \| good	8.342 \| good	23.859 \| good	38.984 \| good	0.131 \| good	12.771 \| good	0.254 \| good
2025-07-29T03:00:00.000Z	44 \| good	7.572 \| good	26.88 \| good	38.874 \| good	0.172 \| good	16.103 \| good	0.334 \| good
2025-07-29T04:00:00.000Z	44 \| good	8.427 \| good	22.134 \| good	32.33 \| good	0.13 \| good	15.957 \| good	0.334 \| good
2025-07-29T05:00:00.000Z	52 \| moderate	10.353 \| good	41.403 \| good	16.453 \| good	0.142 \| good	14.859 \| good	0.462 \| good
2025-07-29T06:00:00.000Z	52 \| moderate	10.278 \| good	41.802 \| good	12.798 \| good	0.126 \| good	13.923 \| good	0.388 \| good
2025-07-29T07:00:00.000Z	54 \| moderate	10.572 \| good	41.107 \| good	8.558 \| good	0.188 \| good	13.521 \| good	0.435 \| good
2025-07-29T08:00:00.000Z	52 \| moderate	10.492 \| good	42.944 \| good	6.355 \| good	0.266 \| good	12.438 \| good	0.435 \| good
2025-07-29T09:00:00.000Z	52 \| moderate	10.491 \| good	44.048 \| good	4.545 \| good	0.17 \| good	13.232 \| good	0.388 \| good
2025-07-29T10:00:00.000Z	54 \| moderate	11.203 \| good	48.417 \| good	3.844 \| good	0.213 \| good	12.994 \| good	0.472 \| good
2025-07-29T11:00:00.000Z	54 \| moderate	11.405 \| good	46.615 \| good	4.427 \| good	0.154 \| good	12.193 \| good	0.472 \| good
2025-07-29T12:00:00.000Z	52 \| moderate	10.346 \| good	46.569 \| good	5.184 \| good	0.127 \| good	11.719 \| good	0.389 \| good
2025-07-29T13:00:00.000Z	54 \| moderate	10.764 \| good	46.5 \| good	7.116 \| good	0.126 \| good	11.642 \| good	0.361 \| good
2025-07-29T14:00:00.000Z	54 \| moderate	11.152 \| good	45.884 \| good	9.531 \| good	0.169 \| good	17.179 \| good	0.416 \| good
2025-07-29T15:00:00.000Z	49 \| good	9.004 \| good	38.718 \| good	22.265 \| good	0.234 \| good	9.522 \| good	0.286 \| good
2025-07-29T16:00:00.000Z	44 \| good	8.128 \| good	38.936 \| good	42.566 \| good	0.271 \| good	4.89 \| good	0.238 \| good
2025-07-29T17:00:00.000Z	44 \| good	7.983 \| good	36.997 \| good	46.254 \| good	0.334 \| good	4.299 \| good	0.217 \| good
2025-07-29T18:00:00.000Z	52 \| moderate	9.546 \| good	39.374 \| good	50.89 \| good	0.416 \| good	5.103 \| good	0.264 \| good
2025-07-29T19:00:00.000Z	49 \| good	9.481 \| good	27.6 \| good	50.744 \| good	0.329 \| good	4.201 \| good	0.254 \| good
2025-07-29T20:00:00.000Z	49 \| good	9.325 \| good	31.1 \| good	46.292 \| good	0.243 \| good	3.976 \| good	0.232 \| good
2025-07-29T21:00:00.000Z	52 \| moderate	9.734 \| good	43.282 \| good	53.144 \| good	0.186 \| good	3.707 \| good	0.217 \| good
2025-07-29T22:00:00.000Z	54 \| moderate	10.953 \| good	36.664 \| good	56.265 \| fine	0.146 \| good	5.063 \| good	0.299 \| good
2025-07-29T23:00:00.000Z	49 \| good	9.051 \| good	41.192 \| good	50.948 \| good	0.122 \| good	4.528 \| good	0.299 \| good
2025-07-30T00:00:00.000Z	49 \| good	9.372 \| good	40.858 \| good	45.286 \| good	0.151 \| good	7.25 \| good	0.32 \| good
2025-07-30T01:00:00.000Z	54 \| moderate	10.859 \| good	41.668 \| good	48.132 \| good	0.126 \| good	9.955 \| good	0.391 \| good
2025-07-30T02:00:00.000Z	52 \| moderate	10.078 \| good	26.369 \| good	39.549 \| good	0.146 \| good	5.238 \| good	0.365 \| good
2025-07-30T03:00:00.000Z	58 \| moderate	13.295 \| fine	59.524 \| fine	25.469 \| good	1.338 \| good	17.598 \| good	0.367 \| good
2025-07-30T04:00:00.000Z	49 \| good	8.977 \| good	39.796 \| good	21.01 \| good	0.149 \| good	11.847 \| good	0.391 \| good
2025-07-30T05:00:00.000Z	54 \| moderate	10.997 \| good	44.796 \| good	20.114 \| good	0.207 \| good	11.708 \| good	0.436 \| good
2025-07-30T06:00:00.000Z	54 \| moderate	11.341 \| good	39.587 \| good	17.958 \| good	0.253 \| good	9.94 \| good	0.377 \| good
2025-07-30T07:00:00.000Z	54 \| moderate	11.296 \| good	44.637 \| good	17.702 \| good	0.303 \| good	8.423 \| good	0.367 \| good
2025-07-30T08:00:00.000Z	56 \| moderate	11.985 \| good	45.425 \| good	15.119 \| good	0.293 \| good	10.206 \| good	0.31 \| good
2025-07-30T09:00:00.000Z	56 \| moderate	12.004 \| good	50.874 \| good	14.156 \| good	0.133 \| good	10.094 \| good	0.371 \| good
2025-07-30T10:00:00.000Z	54 \| moderate	11.498 \| good	44.571 \| good	12.717 \| good	0.18 \| good	11.165 \| good	0.393 \| good
2025-07-30T11:00:00.000Z	56 \| moderate	11.715 \| good	43.613 \| good	12.44 \| good	0.214 \| good	10.952 \| good	0.44 \| good
2025-07-30T12:00:00.000Z	56 \| moderate	12.241 \| fine	54.991 \| good	14.554 \| good	0.302 \| good	14.18 \| good	0.427 \| good
2025-07-30T13:00:00.000Z	54 \| moderate	11.249 \| good	50.06 \| good	18.208 \| good	0.161 \| good	12.824 \| good	0.343 \| good
2025-07-30T14:00:00.000Z	56 \| moderate	11.758 \| good	48.769 \| good	20.736 \| good	0.147 \| good	11.27 \| good	0.296 \| good
2025-07-30T14:00:00.000Z	56 \| moderate	11.758 \| good	48.769 \| good	20.736 \| good	0.147 \| good	11.27 \| good	0.296 \| good
2025-07-27T08:00:00.000Z	38 \| good	6.501 \| good	29.143 \| good	26.197 \| good	0.887 \| good	2.89 \| good	0.21 \| good
2025-07-27T09:00:00.000Z	44 \| good	7.919 \| good	34.335 \| good	33.581 \| good	0.895 \| good	2.763 \| good	0.205 \| good
2025-07-27T10:00:00.000Z	33 \| good	6.249 \| good	27.994 \| good	25.016 \| good	1.144 \| good	3.001 \| good	0.212 \| good
2025-07-27T11:00:00.000Z	38 \| good	6.69 \| good	30.008 \| good	25.007 \| good	1.394 \| good	3.24 \| good	0.219 \| good
2025-07-27T12:00:00.000Z	38 \| good	6.984 \| good	31.017 \| good	24.769 \| good	1.643 \| good	3.478 \| good	0.226 \| good
2025-07-27T13:00:00.000Z	49 \| good	8.76 \| good	38.199 \| good	29.652 \| good	2.028 \| good	3.021 \| good	0.228 \| good
2025-07-27T14:00:00.000Z	49 \| good	9.399 \| good	41.964 \| good	37.056 \| good	2.414 \| good	2.564 \| good	0.231 \| good
2025-07-27T15:00:00.000Z	52 \| moderate	10.019 \| good	44.8 \| good	46.581 \| good	2.799 \| good	2.108 \| good	0.233 \| good
2025-07-27T16:00:00.000Z	56 \| moderate	11.664 \| good	51.799 \| good	55.861 \| fine	2.677 \| good	1.876 \| good	0.214 \| good
2025-07-27T17:00:00.000Z	74 \| moderate	11.342 \| good	49.839 \| good	62.079 \| fine	2.554 \| good	1.645 \| good	0.196 \| good
2025-07-27T18:00:00.000Z	93 \| moderate	13.146 \| fine	58.837 \| fine	67.635 \| fine	2.432 \| good	1.413 \| good	0.177 \| good
2025-07-27T19:00:00.000Z	90 \| moderate	11.468 \| good	50.605 \| good	67.478 \| fine	2.155 \| good	1.678 \| good	0.172 \| good
2025-07-27T20:00:00.000Z	74 \| moderate	10.601 \| good	46.715 \| good	62.498 \| fine	1.877 \| good	1.943 \| good	0.167 \| good
2025-07-27T21:00:00.000Z	52 \| moderate	9.643 \| good	42.696 \| good	52.737 \| good	1.6 \| good	2.208 \| good	0.163 \| good
2025-07-27T22:00:00.000Z	44 \| good	7.451 \| good	33.026 \| good	48.036 \| good	1.672 \| good	4.307 \| good	0.177 \| good
2025-07-27T23:00:00.000Z	43 \| good	6.767 \| good	30.111 \| good	46.178 \| good	1.744 \| good	6.406 \| good	0.191 \| good
2025-07-28T00:00:00.000Z	42 \| good	6.439 \| good	28.335 \| good	44.813 \| good	1.816 \| good	8.505 \| good	0.206 \| good
2025-07-28T01:00:00.000Z	38 \| good	5.774 \| good	24.66 \| good	40.907 \| good	1.8 \| good	11.818 \| good	0.24 \| good
2025-07-28T02:00:00.000Z	36 \| good	3.787 \| good	16.545 \| good	39.191 \| good	1.783 \| good	15.13 \| good	0.274 \| good
2025-07-28T03:00:00.000Z	34 \| good	1.887 \| good	7.532 \| good	36.535 \| good	1.767 \| good	18.442 \| good	0.308 \| good
2025-07-28T04:00:00.000Z	29 \| good	2.684 \| good	11.072 \| good	30.769 \| good	1.785 \| good	15.711 \| good	0.286 \| good
2025-07-28T05:00:00.000Z	24 \| good	4.128 \| good	17.998 \| good	25.671 \| good	1.802 \| good	12.98 \| good	0.265 \| good
2025-07-28T06:00:00.000Z	27 \| good	4.737 \| good	20.957 \| good	21.691 \| good	1.82 \| good	10.248 \| good	0.243 \| good
2025-07-28T07:00:00.000Z	27 \| good	5.08 \| good	22.032 \| good	17.128 \| good	1.857 \| good	8.548 \| good	0.226 \| good
2025-07-28T08:00:00.000Z	33 \| good	5.588 \| good	24.007 \| good	14.725 \| good	1.895 \| good	6.848 \| good	0.209 \| good
2025-07-28T09:00:00.000Z	33 \| good	5.999 \| good	26.919 \| good	14.404 \| good	1.933 \| good	5.148 \| good	0.192 \| good
2025-07-28T10:00:00.000Z	22 \| good	4.492 \| good	19.124 \| good	10.089 \| good	2.057 \| good	4.774 \| good	0.192 \| good
2025-07-28T11:00:00.000Z	27 \| good	4.525 \| good	19.276 \| good	11.562 \| good	2.181 \| good	4.4 \| good	0.193 \| good
2025-07-28T12:00:00.000Z	27 \| good	5.006 \| good	21.235 \| good	18.948 \| good	2.305 \| good	4.026 \| good	0.193 \| good
2025-07-28T13:00:00.000Z	38 \| good	6.752 \| good	30.097 \| good	31.135 \| good	2.397 \| good	3.34 \| good	0.201 \| good
2025-07-28T14:00:00.000Z	44 \| good	7.853 \| good	34.154 \| good	43.925 \| good	2.488 \| good	2.655 \| good	0.209 \| good
2025-07-28T15:00:00.000Z	49 \| good	8.606 \| good	37.941 \| good	51.961 \| good	2.58 \| good	1.969 \| good	0.218 \| good
2025-07-28T16:00:00.000Z	51 \| moderate	7.668 \| good	33.975 \| good	55.223 \| fine	2.394 \| good	1.768 \| good	0.217 \| good
2025-07-28T17:00:00.000Z	54 \| moderate	7.424 \| good	32.965 \| good	55.534 \| fine	2.208 \| good	1.566 \| good	0.216 \| good
2025-07-28T18:00:00.000Z	50 \| good	9.216 \| good	41.107 \| good	54.445 \| good	2.022 \| good	1.364 \| good	0.215 \| good
2025-07-28T19:00:00.000Z	51 \| moderate	8.491 \| good	37.323 \| good	54.604 \| good	1.97 \| good	1.493 \| good	0.216 \| good
2025-07-28T20:00:00.000Z	49 \| good	9.241 \| good	41.201 \| good	52.569 \| good	1.917 \| good	1.622 \| good	0.216 \| good
2025-07-28T21:00:00.000Z	49 \| good	9.327 \| good	41.891 \| good	47.915 \| good	1.865 \| good	1.751 \| good	0.216 \| good
2025-07-28T22:00:00.000Z	49 \| good	8.966 \| good	39.144 \| good	50.962 \| good	1.877 \| good	4.206 \| good	0.241 \| good
2025-07-28T23:00:00.000Z	49 \| good	9.467 \| good	42.003 \| good	49.517 \| good	1.889 \| good	6.661 \| good	0.266 \| good
2025-07-29T00:00:00.000Z	49 \| good	8.565 \| good	37.09 \| good	48.19 \| good	1.902 \| good	9.116 \| good	0.291 \| good
2025-07-29T01:00:00.000Z	44 \| good	8.426 \| good	37.033 \| good	39.606 \| good	1.902 \| good	12.845 \| good	0.332 \| good
2025-07-29T02:00:00.000Z	32 \| good	4.512 \| good	19.682 \| good	35.4 \| good	1.902 \| good	16.574 \| good	0.373 \| good
2025-07-29T03:00:00.000Z	31 \| good	2.796 \| good	11.499 \| good	34.315 \| good	1.902 \| good	20.303 \| good	0.413 \| good
2025-07-29T04:00:00.000Z	29 \| good	3.996 \| good	17.363 \| good	31.319 \| good	1.839 \| good	19.453 \| good	0.412 \| good
2025-07-29T05:00:00.000Z	26 \| good	4.404 \| good	19.306 \| good	27.941 \| good	1.776 \| good	18.603 \| good	0.411 \| good
2025-07-29T06:00:00.000Z	73 \| moderate	20.591 \| fine	20.984 \| good	31.913 \| good	1.711 \| good	17.768 \| good	0.41 \| good
2025-07-29T07:00:00.000Z	38 \| good	6.58 \| good	29.267 \| good	20.11 \| good	1.678 \| good	16.719 \| good	0.404 \| good

Largo

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Largo, Maryland

0.28ppm

How accurate is Maryland, USA air quality data?

The air quality data for Maryland, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

Source: Ambee Data Sources

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Frequently asked questions

How frequently does the air quality data for Largo, Maryland get updated?

Air quality updates for Largo, Maryland are available every hour.

What time in the past 24 hours saw the poorest air quality in Largo, Maryland?

Largo, Maryland experienced its worst air quality at 04:00:00, 2025-07-27.

When was air quality in Largo, Maryland the best over the past 24 hours?

The best air quality in Largo, Maryland was observed at 04:00:00 on 2025-07-26.

What is the air quality in Largo, Maryland right now?

The air quality in Largo, Maryland right now is Moderate, with an AQI of 52.

What pollutant is most frequently found in Largo, Maryland?

In Largo, Maryland, PM2.5 is the most frequently found pollutant.

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

When air quality in Largo, Maryland is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Largo, Maryland right now?

Largo, Maryland currently has a PM_2.5 concentration of 9.791 μg/m³.

What is the current level of PM₁₀ in Largo, Maryland?

Largo, Maryland currently has a PM₁₀ concentration of 45.227 μg/m³.

What is the current level of carbon monoxide (CO) in Largo, Maryland?

The current carbon monoxide (CO) level in Largo, Maryland is 0.313 ppm.

What is the current level of sulfur dioxide (SO₂) in Largo, Maryland?

The current sulfur dioxide (SO₂) concentration in Largo, Maryland is 0.173 ppb.

What is the current level of ozone (O₃) in Largo, Maryland?

Largo, Maryland currently has an ozone (O₃) concentration of 26.779 ppm.

What is the current level of nitrogen dioxide (NO₂) in Largo, Maryland?

The current level of nitrogen dioxide (NO₂) in Largo, Maryland is 3.277 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-28T15:00:00.000Z	38 \| good	6.954 \| good	27.113 \| good	26.172 \| good	0.207 \| good	4.364 \| good	0.196 \| good
2025-07-28T16:00:00.000Z	44 \| good	8.319 \| good	35.022 \| good	28.693 \| good	0.187 \| good	3.621 \| good	0.196 \| good
2025-07-28T17:00:00.000Z	44 \| good	8.034 \| good	35.995 \| good	31.591 \| good	0.264 \| good	3.093 \| good	0.196 \| good
2025-07-28T18:00:00.000Z	44 \| good	8.298 \| good	30.354 \| good	33.52 \| good	0.26 \| good	2.729 \| good	0.176 \| good
2025-07-28T19:00:00.000Z	49 \| good	9.121 \| good	38.696 \| good	51.401 \| good	0.174 \| good	2.225 \| good	0.164 \| good
2025-07-28T20:00:00.000Z	49 \| good	8.585 \| good	33.197 \| good	47.103 \| good	0.168 \| good	2.574 \| good	0.182 \| good
2025-07-28T21:00:00.000Z	49 \| good	7.8 \| good	24.982 \| good	53.491 \| good	0.186 \| good	2.277 \| good	0.202 \| good
2025-07-28T22:00:00.000Z	49 \| good	8.63 \| good	38.72 \| good	46.119 \| good	0.151 \| good	2.247 \| good	0.202 \| good
2025-07-28T23:00:00.000Z	49 \| good	8.938 \| good	23 \| good	50.838 \| good	0.132 \| good	3.148 \| good	0.201 \| good
2025-07-29T00:00:00.000Z	43 \| good	6.448 \| good	28.079 \| good	46.403 \| good	0.162 \| good	5.096 \| good	0.227 \| good
2025-07-29T01:00:00.000Z	44 \| good	7.45 \| good	31.353 \| good	47.215 \| good	0.154 \| good	9.888 \| good	0.219 \| good
2025-07-29T02:00:00.000Z	44 \| good	8.342 \| good	23.859 \| good	38.984 \| good	0.131 \| good	12.771 \| good	0.254 \| good
2025-07-29T03:00:00.000Z	44 \| good	7.572 \| good	26.88 \| good	38.874 \| good	0.172 \| good	16.103 \| good	0.334 \| good
2025-07-29T04:00:00.000Z	44 \| good	8.427 \| good	22.134 \| good	32.33 \| good	0.13 \| good	15.957 \| good	0.334 \| good
2025-07-29T05:00:00.000Z	52 \| moderate	10.353 \| good	41.403 \| good	16.453 \| good	0.142 \| good	14.859 \| good	0.462 \| good
2025-07-29T06:00:00.000Z	52 \| moderate	10.278 \| good	41.802 \| good	12.798 \| good	0.126 \| good	13.923 \| good	0.388 \| good
2025-07-29T07:00:00.000Z	54 \| moderate	10.572 \| good	41.107 \| good	8.558 \| good	0.188 \| good	13.521 \| good	0.435 \| good
2025-07-29T08:00:00.000Z	52 \| moderate	10.492 \| good	42.944 \| good	6.355 \| good	0.266 \| good	12.438 \| good	0.435 \| good
2025-07-29T09:00:00.000Z	52 \| moderate	10.491 \| good	44.048 \| good	4.545 \| good	0.17 \| good	13.232 \| good	0.388 \| good
2025-07-29T10:00:00.000Z	54 \| moderate	11.203 \| good	48.417 \| good	3.844 \| good	0.213 \| good	12.994 \| good	0.472 \| good
2025-07-29T11:00:00.000Z	54 \| moderate	11.405 \| good	46.615 \| good	4.427 \| good	0.154 \| good	12.193 \| good	0.472 \| good
2025-07-29T12:00:00.000Z	52 \| moderate	10.346 \| good	46.569 \| good	5.184 \| good	0.127 \| good	11.719 \| good	0.389 \| good
2025-07-29T13:00:00.000Z	54 \| moderate	10.764 \| good	46.5 \| good	7.116 \| good	0.126 \| good	11.642 \| good	0.361 \| good
2025-07-29T14:00:00.000Z	54 \| moderate	11.152 \| good	45.884 \| good	9.531 \| good	0.169 \| good	17.179 \| good	0.416 \| good
2025-07-29T15:00:00.000Z	49 \| good	9.004 \| good	38.718 \| good	22.265 \| good	0.234 \| good	9.522 \| good	0.286 \| good
2025-07-29T16:00:00.000Z	44 \| good	8.128 \| good	38.936 \| good	42.566 \| good	0.271 \| good	4.89 \| good	0.238 \| good
2025-07-29T17:00:00.000Z	44 \| good	7.983 \| good	36.997 \| good	46.254 \| good	0.334 \| good	4.299 \| good	0.217 \| good
2025-07-29T18:00:00.000Z	52 \| moderate	9.546 \| good	39.374 \| good	50.89 \| good	0.416 \| good	5.103 \| good	0.264 \| good
2025-07-29T19:00:00.000Z	49 \| good	9.481 \| good	27.6 \| good	50.744 \| good	0.329 \| good	4.201 \| good	0.254 \| good
2025-07-29T20:00:00.000Z	49 \| good	9.325 \| good	31.1 \| good	46.292 \| good	0.243 \| good	3.976 \| good	0.232 \| good
2025-07-29T21:00:00.000Z	52 \| moderate	9.734 \| good	43.282 \| good	53.144 \| good	0.186 \| good	3.707 \| good	0.217 \| good
2025-07-29T22:00:00.000Z	54 \| moderate	10.953 \| good	36.664 \| good	56.265 \| fine	0.146 \| good	5.063 \| good	0.299 \| good
2025-07-29T23:00:00.000Z	49 \| good	9.051 \| good	41.192 \| good	50.948 \| good	0.122 \| good	4.528 \| good	0.299 \| good
2025-07-30T00:00:00.000Z	49 \| good	9.372 \| good	40.858 \| good	45.286 \| good	0.151 \| good	7.25 \| good	0.32 \| good
2025-07-30T01:00:00.000Z	54 \| moderate	10.859 \| good	41.668 \| good	48.132 \| good	0.126 \| good	9.955 \| good	0.391 \| good
2025-07-30T02:00:00.000Z	52 \| moderate	10.078 \| good	26.369 \| good	39.549 \| good	0.146 \| good	5.238 \| good	0.365 \| good
2025-07-30T03:00:00.000Z	58 \| moderate	13.295 \| fine	59.524 \| fine	25.469 \| good	1.338 \| good	17.598 \| good	0.367 \| good
2025-07-30T04:00:00.000Z	49 \| good	8.977 \| good	39.796 \| good	21.01 \| good	0.149 \| good	11.847 \| good	0.391 \| good
2025-07-30T05:00:00.000Z	54 \| moderate	10.997 \| good	44.796 \| good	20.114 \| good	0.207 \| good	11.708 \| good	0.436 \| good
2025-07-30T06:00:00.000Z	54 \| moderate	11.341 \| good	39.587 \| good	17.958 \| good	0.253 \| good	9.94 \| good	0.377 \| good
2025-07-30T07:00:00.000Z	54 \| moderate	11.296 \| good	44.637 \| good	17.702 \| good	0.303 \| good	8.423 \| good	0.367 \| good
2025-07-30T08:00:00.000Z	56 \| moderate	11.985 \| good	45.425 \| good	15.119 \| good	0.293 \| good	10.206 \| good	0.31 \| good
2025-07-30T09:00:00.000Z	56 \| moderate	12.004 \| good	50.874 \| good	14.156 \| good	0.133 \| good	10.094 \| good	0.371 \| good
2025-07-30T10:00:00.000Z	54 \| moderate	11.498 \| good	44.571 \| good	12.717 \| good	0.18 \| good	11.165 \| good	0.393 \| good
2025-07-30T11:00:00.000Z	56 \| moderate	11.715 \| good	43.613 \| good	12.44 \| good	0.214 \| good	10.952 \| good	0.44 \| good
2025-07-30T12:00:00.000Z	56 \| moderate	12.241 \| fine	54.991 \| good	14.554 \| good	0.302 \| good	14.18 \| good	0.427 \| good
2025-07-30T13:00:00.000Z	54 \| moderate	11.249 \| good	50.06 \| good	18.208 \| good	0.161 \| good	12.824 \| good	0.343 \| good
2025-07-30T14:00:00.000Z	56 \| moderate	11.758 \| good	48.769 \| good	20.736 \| good	0.147 \| good	11.27 \| good	0.296 \| good
2025-07-30T14:00:00.000Z	56 \| moderate	11.758 \| good	48.769 \| good	20.736 \| good	0.147 \| good	11.27 \| good	0.296 \| good
2025-07-27T08:00:00.000Z	38 \| good	6.501 \| good	29.143 \| good	26.197 \| good	0.887 \| good	2.89 \| good	0.21 \| good
2025-07-27T09:00:00.000Z	44 \| good	7.919 \| good	34.335 \| good	33.581 \| good	0.895 \| good	2.763 \| good	0.205 \| good
2025-07-27T10:00:00.000Z	33 \| good	6.249 \| good	27.994 \| good	25.016 \| good	1.144 \| good	3.001 \| good	0.212 \| good
2025-07-27T11:00:00.000Z	38 \| good	6.69 \| good	30.008 \| good	25.007 \| good	1.394 \| good	3.24 \| good	0.219 \| good
2025-07-27T12:00:00.000Z	38 \| good	6.984 \| good	31.017 \| good	24.769 \| good	1.643 \| good	3.478 \| good	0.226 \| good
2025-07-27T13:00:00.000Z	49 \| good	8.76 \| good	38.199 \| good	29.652 \| good	2.028 \| good	3.021 \| good	0.228 \| good
2025-07-27T14:00:00.000Z	49 \| good	9.399 \| good	41.964 \| good	37.056 \| good	2.414 \| good	2.564 \| good	0.231 \| good
2025-07-27T15:00:00.000Z	52 \| moderate	10.019 \| good	44.8 \| good	46.581 \| good	2.799 \| good	2.108 \| good	0.233 \| good
2025-07-27T16:00:00.000Z	56 \| moderate	11.664 \| good	51.799 \| good	55.861 \| fine	2.677 \| good	1.876 \| good	0.214 \| good
2025-07-27T17:00:00.000Z	74 \| moderate	11.342 \| good	49.839 \| good	62.079 \| fine	2.554 \| good	1.645 \| good	0.196 \| good
2025-07-27T18:00:00.000Z	93 \| moderate	13.146 \| fine	58.837 \| fine	67.635 \| fine	2.432 \| good	1.413 \| good	0.177 \| good
2025-07-27T19:00:00.000Z	90 \| moderate	11.468 \| good	50.605 \| good	67.478 \| fine	2.155 \| good	1.678 \| good	0.172 \| good
2025-07-27T20:00:00.000Z	74 \| moderate	10.601 \| good	46.715 \| good	62.498 \| fine	1.877 \| good	1.943 \| good	0.167 \| good
2025-07-27T21:00:00.000Z	52 \| moderate	9.643 \| good	42.696 \| good	52.737 \| good	1.6 \| good	2.208 \| good	0.163 \| good
2025-07-27T22:00:00.000Z	44 \| good	7.451 \| good	33.026 \| good	48.036 \| good	1.672 \| good	4.307 \| good	0.177 \| good
2025-07-27T23:00:00.000Z	43 \| good	6.767 \| good	30.111 \| good	46.178 \| good	1.744 \| good	6.406 \| good	0.191 \| good
2025-07-28T00:00:00.000Z	42 \| good	6.439 \| good	28.335 \| good	44.813 \| good	1.816 \| good	8.505 \| good	0.206 \| good
2025-07-28T01:00:00.000Z	38 \| good	5.774 \| good	24.66 \| good	40.907 \| good	1.8 \| good	11.818 \| good	0.24 \| good
2025-07-28T02:00:00.000Z	36 \| good	3.787 \| good	16.545 \| good	39.191 \| good	1.783 \| good	15.13 \| good	0.274 \| good
2025-07-28T03:00:00.000Z	34 \| good	1.887 \| good	7.532 \| good	36.535 \| good	1.767 \| good	18.442 \| good	0.308 \| good
2025-07-28T04:00:00.000Z	29 \| good	2.684 \| good	11.072 \| good	30.769 \| good	1.785 \| good	15.711 \| good	0.286 \| good
2025-07-28T05:00:00.000Z	24 \| good	4.128 \| good	17.998 \| good	25.671 \| good	1.802 \| good	12.98 \| good	0.265 \| good
2025-07-28T06:00:00.000Z	27 \| good	4.737 \| good	20.957 \| good	21.691 \| good	1.82 \| good	10.248 \| good	0.243 \| good
2025-07-28T07:00:00.000Z	27 \| good	5.08 \| good	22.032 \| good	17.128 \| good	1.857 \| good	8.548 \| good	0.226 \| good
2025-07-28T08:00:00.000Z	33 \| good	5.588 \| good	24.007 \| good	14.725 \| good	1.895 \| good	6.848 \| good	0.209 \| good
2025-07-28T09:00:00.000Z	33 \| good	5.999 \| good	26.919 \| good	14.404 \| good	1.933 \| good	5.148 \| good	0.192 \| good
2025-07-28T10:00:00.000Z	22 \| good	4.492 \| good	19.124 \| good	10.089 \| good	2.057 \| good	4.774 \| good	0.192 \| good
2025-07-28T11:00:00.000Z	27 \| good	4.525 \| good	19.276 \| good	11.562 \| good	2.181 \| good	4.4 \| good	0.193 \| good
2025-07-28T12:00:00.000Z	27 \| good	5.006 \| good	21.235 \| good	18.948 \| good	2.305 \| good	4.026 \| good	0.193 \| good
2025-07-28T13:00:00.000Z	38 \| good	6.752 \| good	30.097 \| good	31.135 \| good	2.397 \| good	3.34 \| good	0.201 \| good
2025-07-28T14:00:00.000Z	44 \| good	7.853 \| good	34.154 \| good	43.925 \| good	2.488 \| good	2.655 \| good	0.209 \| good
2025-07-28T15:00:00.000Z	49 \| good	8.606 \| good	37.941 \| good	51.961 \| good	2.58 \| good	1.969 \| good	0.218 \| good
2025-07-28T16:00:00.000Z	51 \| moderate	7.668 \| good	33.975 \| good	55.223 \| fine	2.394 \| good	1.768 \| good	0.217 \| good
2025-07-28T17:00:00.000Z	54 \| moderate	7.424 \| good	32.965 \| good	55.534 \| fine	2.208 \| good	1.566 \| good	0.216 \| good
2025-07-28T18:00:00.000Z	50 \| good	9.216 \| good	41.107 \| good	54.445 \| good	2.022 \| good	1.364 \| good	0.215 \| good
2025-07-28T19:00:00.000Z	51 \| moderate	8.491 \| good	37.323 \| good	54.604 \| good	1.97 \| good	1.493 \| good	0.216 \| good
2025-07-28T20:00:00.000Z	49 \| good	9.241 \| good	41.201 \| good	52.569 \| good	1.917 \| good	1.622 \| good	0.216 \| good
2025-07-28T21:00:00.000Z	49 \| good	9.327 \| good	41.891 \| good	47.915 \| good	1.865 \| good	1.751 \| good	0.216 \| good
2025-07-28T22:00:00.000Z	49 \| good	8.966 \| good	39.144 \| good	50.962 \| good	1.877 \| good	4.206 \| good	0.241 \| good
2025-07-28T23:00:00.000Z	49 \| good	9.467 \| good	42.003 \| good	49.517 \| good	1.889 \| good	6.661 \| good	0.266 \| good
2025-07-29T00:00:00.000Z	49 \| good	8.565 \| good	37.09 \| good	48.19 \| good	1.902 \| good	9.116 \| good	0.291 \| good
2025-07-29T01:00:00.000Z	44 \| good	8.426 \| good	37.033 \| good	39.606 \| good	1.902 \| good	12.845 \| good	0.332 \| good
2025-07-29T02:00:00.000Z	32 \| good	4.512 \| good	19.682 \| good	35.4 \| good	1.902 \| good	16.574 \| good	0.373 \| good
2025-07-29T03:00:00.000Z	31 \| good	2.796 \| good	11.499 \| good	34.315 \| good	1.902 \| good	20.303 \| good	0.413 \| good
2025-07-29T04:00:00.000Z	29 \| good	3.996 \| good	17.363 \| good	31.319 \| good	1.839 \| good	19.453 \| good	0.412 \| good
2025-07-29T05:00:00.000Z	26 \| good	4.404 \| good	19.306 \| good	27.941 \| good	1.776 \| good	18.603 \| good	0.411 \| good
2025-07-29T06:00:00.000Z	73 \| moderate	20.591 \| fine	20.984 \| good	31.913 \| good	1.711 \| good	17.768 \| good	0.41 \| good
2025-07-29T07:00:00.000Z	38 \| good	6.58 \| good	29.267 \| good	20.11 \| good	1.678 \| good	16.719 \| good	0.404 \| good

Current air quality index in Largo, Maryland today

Common air pollutants in Largo, Maryland

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Largo, Maryland air quality forecast and history

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Largo, Maryland

Air quality in nearby cities

Kettering, Maryland

Lake Arbor, Maryland

Westphalia, Maryland

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Forestville, Maryland

Mitchellville, Maryland

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Frequently asked questions

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 concentration in Largo, Maryland right now?

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