What is the current concentration of PM10 in Green Valley, Maryland?

The current PM10 concentration at Green Valley, Maryland is 15.246 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Green Valley, Maryland is 0.388 ppb.

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

The current ozone (O3) concentration at Green Valley, Maryland is 47.986 ppm.

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

The current nitrogen dioxide (NO2) concentration at Green Valley, Maryland is 2.352 ppb.

Green Valley, Maryland live air quality index now

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

The current PM2.5 concentration at Green Valley, Maryland is 4.059 μg/m3.

Stay updated with real-time air quality in Green Valley, 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

Green Valley, Maryland

Last updated: ... (Local time)

Major air pollutants in Green Valley, Maryland

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.06 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

15.25 μg/m³

155

255

425

605+

Ozone (O₃)

47.99 ppb

201

201+

Sulfur Dioxide (SO₂)

0.39 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.35 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.17 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Green Valley, Maryland

Scroll To Air Quality Map

Track live Green Valley, Maryland air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-22T00:00:00.000Z	49 \| good	8.804 \| good	39.564 \| good	32.837 \| good	0.546 \| good	3.202 \| good	0.238 \| good
2026-07-22T01:00:00.000Z	33 \| good	5.689 \| good	26.764 \| good	26.63 \| good	0.563 \| good	4.041 \| good	0.238 \| good
2026-07-22T02:00:00.000Z	28 \| good	5.117 \| good	21.082 \| good	30.034 \| good	0.58 \| good	6.22 \| good	0.256 \| good
2026-07-22T03:00:00.000Z	35 \| good	5.566 \| good	20.014 \| good	37.896 \| good	0.614 \| good	6.118 \| good	0.256 \| good
2026-07-22T04:00:00.000Z	28 \| good	4.799 \| good	27.227 \| good	30.074 \| good	0.571 \| good	7.317 \| good	0.256 \| good
2026-07-22T05:00:00.000Z	26 \| good	3.827 \| good	24.302 \| good	28.116 \| good	0.606 \| good	6.355 \| good	0.212 \| good
2026-07-22T06:00:00.000Z	31 \| good	3.64 \| good	18.7 \| good	34.235 \| good	0.571 \| good	6.113 \| good	0.236 \| good
2026-07-22T07:00:00.000Z	29 \| good	4.042 \| good	13.124 \| good	31.282 \| good	0.571 \| good	6.026 \| good	0.215 \| good
2026-07-22T08:00:00.000Z	25 \| good	3.211 \| good	12.819 \| good	26.814 \| good	0.593 \| good	5.678 \| good	0.215 \| good
2026-07-22T09:00:00.000Z	21 \| good	3.118 \| good	15.565 \| good	23.104 \| good	0.584 \| good	5.701 \| good	0.238 \| good
2026-07-22T10:00:00.000Z	23 \| good	4.04 \| good	22.773 \| good	25.407 \| good	0.563 \| good	8.342 \| good	0.256 \| good
2026-07-22T11:00:00.000Z	21 \| good	2.192 \| good	11.653 \| good	22.674 \| good	0.545 \| good	8.384 \| good	0.256 \| good
2026-07-22T12:00:00.000Z	22 \| good	4.01 \| good	14.971 \| good	19.643 \| good	0.594 \| good	6.253 \| good	0.276 \| good
2026-07-22T13:00:00.000Z	27 \| good	4.762 \| good	14.844 \| good	24.997 \| good	0.583 \| good	7.444 \| good	0.276 \| good
2026-07-22T14:00:00.000Z	38 \| good	6.732 \| good	19.156 \| good	31.154 \| good	0.591 \| good	5.497 \| good	0.276 \| good
2026-07-22T15:00:00.000Z	49 \| good	9.414 \| good	39.487 \| good	34.026 \| good	0.602 \| good	5.687 \| good	0.276 \| good
2026-07-22T16:00:00.000Z	54 \| moderate	11.326 \| good	47.33 \| good	38.491 \| good	0.409 \| good	4.661 \| good	0.259 \| good
2026-07-22T17:00:00.000Z	52 \| moderate	10.083 \| good	40.623 \| good	37.546 \| good	0.383 \| good	3.557 \| good	0.238 \| good
2026-07-22T18:00:00.000Z	52 \| moderate	10.08 \| good	42.385 \| good	44.662 \| good	0.422 \| good	3.305 \| good	0.217 \| good
2026-07-22T19:00:00.000Z	54 \| moderate	10.9 \| good	48.224 \| good	48.049 \| good	0.387 \| good	3.071 \| good	0.217 \| good
2026-07-22T20:00:00.000Z	44 \| good	8.423 \| good	28.349 \| good	48.416 \| good	0.396 \| good	2.455 \| good	0.215 \| good
2026-07-22T21:00:00.000Z	44 \| good	8.426 \| good	25.69 \| good	48.396 \| good	0.37 \| good	2.43 \| good	0.217 \| good
2026-07-22T22:00:00.000Z	44 \| good	8.377 \| good	22.501 \| good	45.22 \| good	0.359 \| good	2.493 \| good	0.217 \| good
2026-07-22T23:00:00.000Z	44 \| good	8.382 \| good	26.583 \| good	44.179 \| good	0.458 \| good	2.289 \| good	0.238 \| good
2026-07-23T00:00:00.000Z	44 \| good	8.04 \| good	30.293 \| good	45.712 \| good	0.372 \| good	1.613 \| good	0.238 \| good
2026-07-23T01:00:00.000Z	38 \| good	7.362 \| good	32.268 \| good	39.324 \| good	0.406 \| good	1.689 \| good	0.238 \| good
2026-07-23T02:00:00.000Z	44 \| good	7.688 \| good	23.523 \| good	38.435 \| good	0.356 \| good	7.407 \| good	0.238 \| good
2026-07-23T03:00:00.000Z	21 \| good	0.802 \| good	3.037 \| good	22.846 \| good	0.451 \| good	3.212 \| good	0.182 \| good
2026-07-23T04:00:00.000Z	38 \| good	6.931 \| good	26.124 \| good	33.505 \| good	0.352 \| good	2.507 \| good	0.215 \| good
2026-07-23T05:00:00.000Z	38 \| good	6.954 \| good	30.934 \| good	28.42 \| good	0.361 \| good	2.621 \| good	0.198 \| good
2026-07-23T06:00:00.000Z	22 \| good	4.345 \| good	19.028 \| good	23.637 \| good	0.361 \| good	3.004 \| good	0.177 \| good
2026-07-23T07:00:00.000Z	27 \| good	5.276 \| good	17.915 \| good	21.738 \| good	0.361 \| good	2.837 \| good	0.156 \| good
2026-07-23T08:00:00.000Z	27 \| good	5.267 \| good	16.15 \| good	20.353 \| good	0.359 \| good	3.544 \| good	0.156 \| good
2026-07-23T09:00:00.000Z	27 \| good	4.252 \| good	18.389 \| good	28.649 \| good	0.35 \| good	3.988 \| good	0.138 \| good
2026-07-23T10:00:00.000Z	24 \| good	2.92 \| good	13.665 \| good	26.397 \| good	0.37 \| good	4.778 \| good	0.156 \| good
2026-07-23T11:00:00.000Z	22 \| good	3.838 \| good	11.547 \| good	22.709 \| good	0.41 \| good	5.9 \| good	0.156 \| good
2026-07-23T12:00:00.000Z	26 \| good	3.246 \| good	14.52 \| good	28.061 \| good	0.399 \| good	6.247 \| good	0.156 \| good
2026-07-23T13:00:00.000Z	27 \| good	2.958 \| good	13.667 \| good	29.43 \| good	0.389 \| good	5.371 \| good	0.156 \| good
2026-07-23T14:00:00.000Z	26 \| good	2.626 \| good	10.246 \| good	28.371 \| good	0.335 \| good	3.19 \| good	0.156 \| good
2026-07-23T15:00:00.000Z	30 \| good	2.532 \| good	9.843 \| good	32.019 \| good	0.343 \| good	3.104 \| good	0.156 \| good
2026-07-23T16:00:00.000Z	35 \| good	2.943 \| good	10.138 \| good	37.826 \| good	0.378 \| good	2.78 \| good	0.156 \| good
2026-07-23T17:00:00.000Z	38 \| good	2.584 \| good	11.726 \| good	40.87 \| good	0.377 \| good	2.075 \| good	0.156 \| good
2026-07-23T18:00:00.000Z	39 \| good	3.942 \| good	16.322 \| good	42.178 \| good	0.361 \| good	2.947 \| good	0.156 \| good
2026-07-23T19:00:00.000Z	41 \| good	3.105 \| good	9.687 \| good	44.271 \| good	0.352 \| good	1.51 \| good	0.156 \| good
2026-07-23T20:00:00.000Z	43 \| good	3.607 \| good	18.597 \| good	46.24 \| good	0.309 \| good	2.025 \| good	0.156 \| good
2026-07-23T21:00:00.000Z	42 \| good	4.664 \| good	18.581 \| good	45.422 \| good	0.354 \| good	2.829 \| good	0.156 \| good
2026-07-23T22:00:00.000Z	44 \| good	4.059 \| good	15.246 \| good	47.986 \| good	0.388 \| good	2.352 \| good	0.174 \| good
2026-07-23T23:00:00.000Z	44 \| good	4.059 \| good	15.246 \| good	47.986 \| good	0.388 \| good	2.352 \| good	0.174 \| good
2026-07-24T00:00:00.000Z	31 \| good	0.647 \| good	2.321 \| good	33.671 \| good	0.328 \| good	3.156 \| good	0.156 \| good
2026-07-24T01:00:00.000Z	22 \| good	0.608 \| good	2.249 \| good	24.173 \| good	0.424 \| good	6.821 \| good	0.187 \| good
2026-07-24T02:00:00.000Z	21 \| good	0.964 \| good	4.082 \| good	22.703 \| good	0.525 \| good	8.574 \| good	0.201 \| good
2026-07-24T03:00:00.000Z	20 \| good	1.331 \| good	5.285 \| good	22.283 \| good	0.601 \| good	9.699 \| good	0.208 \| good
2026-07-24T04:00:00.000Z	19 \| good	2.103 \| good	8.26 \| good	20.271 \| good	0.643 \| good	10.963 \| good	0.218 \| good
2026-07-24T05:00:00.000Z	18 \| good	2.562 \| good	10.255 \| good	18.614 \| good	0.661 \| good	11.982 \| good	0.228 \| good
2026-07-24T06:00:00.000Z	12 \| good	2.409 \| good	9.884 \| good	13.243 \| good	0.669 \| good	12.784 \| good	0.235 \| good
2026-07-24T07:00:00.000Z	16 \| good	3.373 \| good	14.955 \| good	12.069 \| good	0.656 \| good	13.555 \| good	0.24 \| good
2026-07-24T08:00:00.000Z	22 \| good	4.147 \| good	18.01 \| good	10.977 \| good	0.634 \| good	13.834 \| good	0.242 \| good
2026-07-24T09:00:00.000Z	33 \| good	6.355 \| good	28.59 \| good	15.14 \| good	0.635 \| good	13.478 \| good	0.24 \| good
2026-07-24T10:00:00.000Z	38 \| good	6.84 \| good	29.985 \| good	9.564 \| good	0.641 \| good	13.193 \| good	0.24 \| good
2026-07-24T11:00:00.000Z	38 \| good	7.361 \| good	32.149 \| good	11.36 \| good	0.648 \| good	11.61 \| good	0.241 \| good
2026-07-24T12:00:00.000Z	38 \| good	7.034 \| good	30.984 \| good	17.895 \| good	0.726 \| good	9.222 \| good	0.237 \| good
2026-07-24T13:00:00.000Z	38 \| good	6.685 \| good	29.757 \| good	25.284 \| good	0.933 \| good	5.69 \| good	0.204 \| good
2026-07-24T14:00:00.000Z	33 \| good	6.288 \| good	27.921 \| good	33.476 \| good	0.987 \| good	3.063 \| good	0.177 \| good
2026-07-24T15:00:00.000Z	40 \| good	5.011 \| good	21.853 \| good	43.074 \| good	0.85 \| good	1.532 \| good	0.161 \| good
2026-07-24T16:00:00.000Z	44 \| good	4.422 \| good	18.898 \| good	48.494 \| good	0.719 \| good	0.977 \| good	0.156 \| good
2026-07-24T17:00:00.000Z	50 \| good	4.512 \| good	19.706 \| good	53.665 \| good	0.645 \| good	0.803 \| good	0.154 \| good
2026-07-24T18:00:00.000Z	51 \| moderate	5.271 \| good	22.812 \| good	55.287 \| fine	0.59 \| good	0.754 \| good	0.154 \| good
2026-07-24T19:00:00.000Z	58 \| moderate	5.526 \| good	23.669 \| good	57.317 \| fine	0.552 \| good	0.79 \| good	0.154 \| good
2026-07-24T20:00:00.000Z	58 \| moderate	4.809 \| good	20.876 \| good	57.103 \| fine	0.52 \| good	0.867 \| good	0.153 \| good
2026-07-24T21:00:00.000Z	51 \| moderate	4.289 \| good	18.838 \| good	55.276 \| fine	0.494 \| good	1.013 \| good	0.152 \| good
2026-07-24T22:00:00.000Z	48 \| good	3.911 \| good	16.877 \| good	51.7 \| good	0.473 \| good	1.308 \| good	0.153 \| good
2026-07-24T23:00:00.000Z	48 \| good	3.119 \| good	13.722 \| good	51.697 \| good	0.455 \| good	1.748 \| good	0.155 \| good
2026-07-25T00:00:00.000Z	35 \| good	2.237 \| good	8.953 \| good	38.041 \| good	0.441 \| good	2.418 \| good	0.158 \| good
2026-07-25T01:00:00.000Z	34 \| good	2.961 \| good	11.963 \| good	36.534 \| good	0.432 \| good	2.891 \| good	0.159 \| good
2026-07-25T02:00:00.000Z	31 \| good	3.257 \| good	13.945 \| good	32.515 \| good	0.429 \| good	3.321 \| good	0.159 \| good
2026-07-25T03:00:00.000Z	27 \| good	2.514 \| good	10.035 \| good	28.75 \| good	0.431 \| good	3.936 \| good	0.16 \| good
2026-07-25T04:00:00.000Z	25 \| good	1.888 \| good	7.962 \| good	26.767 \| good	0.431 \| good	4.43 \| good	0.16 \| good
2026-07-25T05:00:00.000Z	19 \| good	1.443 \| good	5.959 \| good	20.22 \| good	0.428 \| good	4.694 \| good	0.16 \| good
2026-07-25T06:00:00.000Z	11 \| good	1.57 \| good	6.78 \| good	11.524 \| good	0.427 \| good	5.022 \| good	0.158 \| good
2026-07-25T07:00:00.000Z	11 \| good	1.329 \| good	5.218 \| good	11.847 \| good	0.427 \| good	5.684 \| good	0.159 \| good
2026-07-25T08:00:00.000Z	11 \| good	1.292 \| good	5.024 \| good	11.67 \| good	0.44 \| good	6.691 \| good	0.162 \| good
2026-07-25T09:00:00.000Z	11 \| good	2.227 \| good	8.952 \| good	5.183 \| good	0.457 \| good	7.845 \| good	0.166 \| good
2026-07-25T10:00:00.000Z	16 \| good	3.331 \| good	14.558 \| good	6.208 \| good	0.474 \| good	8.829 \| good	0.17 \| good
2026-07-25T11:00:00.000Z	22 \| good	4.218 \| good	18.189 \| good	10.654 \| good	0.474 \| good	8.851 \| good	0.175 \| good
2026-07-25T12:00:00.000Z	22 \| good	4.491 \| good	19.127 \| good	16.855 \| good	0.562 \| good	5.869 \| good	0.162 \| good
2026-07-25T13:00:00.000Z	24 \| good	3.018 \| good	12.013 \| good	26.149 \| good	0.577 \| good	2.728 \| good	0.141 \| good
2026-07-25T14:00:00.000Z	31 \| good	1.625 \| good	6.958 \| good	33.092 \| good	0.445 \| good	1.565 \| good	0.137 \| good
2026-07-25T15:00:00.000Z	35 \| good	0.878 \| good	3.093 \| good	37.706 \| good	0.36 \| good	0.962 \| good	0.136 \| good
2026-07-25T16:00:00.000Z	37 \| good	1.199 \| good	4.927 \| good	40.288 \| good	0.324 \| good	0.71 \| good	0.137 \| good
2026-07-25T17:00:00.000Z	40 \| good	1.54 \| good	6.048 \| good	43.196 \| good	0.299 \| good	0.605 \| good	0.137 \| good
2026-07-25T18:00:00.000Z	43 \| good	2.206 \| good	8.958 \| good	46.45 \| good	0.279 \| good	0.565 \| good	0.138 \| good
2026-07-25T19:00:00.000Z	44 \| good	3.226 \| good	13.846 \| good	47.477 \| good	0.267 \| good	0.569 \| good	0.138 \| good
2026-07-25T20:00:00.000Z	47 \| good	3.31 \| good	14.727 \| good	51.219 \| good	0.26 \| good	0.593 \| good	0.138 \| good
2026-07-25T21:00:00.000Z	51 \| moderate	3.466 \| good	14.938 \| good	54.626 \| good	0.258 \| good	0.657 \| good	0.139 \| good
2026-07-25T22:00:00.000Z	58 \| moderate	3.974 \| good	17.059 \| good	56.819 \| fine	0.263 \| good	0.807 \| good	0.14 \| good
2026-07-25T23:00:00.000Z	47 \| good	4.237 \| good	18.826 \| good	50.977 \| good	0.272 \| good	1.07 \| good	0.141 \| good

Green Valley

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Green Valley, Maryland air quality map: Track AQI near you

0.18ppm

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 Green Valley, Maryland updated?

The air quality for Green Valley, Maryland is updated every hour.

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

The worst air quality in Green Valley, Maryland in the last 24 hours was observed at 10:00:00 on 2026-07-23.

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

In the last 24 hrs, the best air quality in Green Valley, Maryland was observed at 03:00:00 on 2026-07-23.

What is the current air quality in Green Valley, Maryland?

The current air quality in Green Valley, Maryland is 44, categorized as Good based on real-time data.

What pollutant is the most common in Green Valley, Maryland?

The most common pollutant in Green Valley, Maryland is O3.

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

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

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

The current PM_2.5 concentration at Green Valley, Maryland is 4.059 μg/m³.

What is the current concentration of PM₁₀ in Green Valley, Maryland?

The current PM₁₀ concentration at Green Valley, Maryland is 15.246 μg/m³.

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

The current carbon monoxide (CO) concentration at Green Valley, Maryland is 0.174 ppm.

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

The current sulfur dioxide (SO₂) concentration at Green Valley, Maryland is 0.388 ppb.

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

The current ozone (O₃) concentration at Green Valley, Maryland is 47.986 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Green Valley, Maryland is 2.352 ppb.

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