What is the current concentration of PM10 in Falls Church, Virginia?

The current PM10 concentration at Falls Church, Virginia is 4.916 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Falls Church, Virginia?

The current sulfur dioxide (SO2) concentration at Falls Church, Virginia is 0.331 ppb.

What is the current concentration of ozone (O3) in Falls Church, Virginia?

The current ozone (O3) concentration at Falls Church, Virginia is 34.174 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Falls Church, Virginia?

The current nitrogen dioxide (NO2) concentration at Falls Church, Virginia is 3.68 ppb.

Falls Church, Virginia live air quality index now

Q: What is the current concentration of PM2.5 in Falls Church, Virginia?

The current PM2.5 concentration at Falls Church, Virginia is 1.776 μg/m3.

Stay updated with real-time air quality in Falls Church, Virginia 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

Falls Church, Virginia

Last updated: ... (Local time)

Major air pollutants in Falls Church, Virginia

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

1.78 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

4.92 μg/m³

155

255

425

605+

Ozone (O₃)

34.17 ppb

201

201+

Sulfur Dioxide (SO₂)

0.33 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.68 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.10 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

Falls Church, Virginia

Get Live Pollen Counts

Falls Church, Virginia

Scroll To Air Quality Map

Track live Falls Church, Virginia air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T20:00:00.000Z	39 \| good	3.081 \| good	15.305 \| good	42.492 \| good	0.125 \| good	4.532 \| good	0.152 \| good
2026-10-20T21:00:00.000Z	39 \| good	3.601 \| good	11.671 \| good	42.319 \| good	0.125 \| good	5.305 \| good	0.152 \| good
2026-10-20T22:00:00.000Z	41 \| good	3.089 \| good	13.401 \| good	43.628 \| good	0.301 \| good	3.645 \| good	0.152 \| good
2026-10-20T23:00:00.000Z	42 \| good	3.318 \| good	17.637 \| good	45.313 \| good	0.487 \| good	4.401 \| good	0.165 \| good
2026-10-21T00:00:00.000Z	38 \| good	3.037 \| good	15.333 \| good	41.273 \| good	0.556 \| good	7.068 \| good	0.205 \| good
2026-10-21T01:00:00.000Z	30 \| good	3.993 \| good	18.569 \| good	32.266 \| good	0.519 \| good	10.209 \| good	0.207 \| good
2026-10-21T02:00:00.000Z	29 \| good	4.957 \| good	16.144 \| good	30.701 \| good	0.535 \| good	8.608 \| good	0.248 \| good
2026-10-21T03:00:00.000Z	44 \| good	8.412 \| good	36.938 \| good	16.595 \| good	0.881 \| good	11.231 \| good	0.211 \| good
2026-10-21T04:00:00.000Z	29 \| good	5.026 \| good	23.783 \| good	30.97 \| good	0.465 \| good	13.578 \| good	0.336 \| good
2026-10-21T05:00:00.000Z	38 \| good	6.809 \| good	32.046 \| good	25.513 \| good	0.432 \| good	12.947 \| good	0.336 \| good
2026-10-21T06:00:00.000Z	33 \| good	6.259 \| good	21.934 \| good	21.12 \| good	0.451 \| good	10.338 \| good	0.288 \| good
2026-10-21T07:00:00.000Z	24 \| good	3.647 \| good	12.493 \| good	25.527 \| good	0.468 \| good	9.515 \| good	0.247 \| good
2026-10-21T08:00:00.000Z	27 \| good	5.126 \| good	23.463 \| good	24.111 \| good	0.481 \| good	9.115 \| good	0.206 \| good
2026-10-21T09:00:00.000Z	22 \| good	4.382 \| good	15.382 \| good	18.602 \| good	0.419 \| good	8.419 \| good	0.178 \| good
2026-10-21T10:00:00.000Z	19 \| good	3.274 \| good	13.129 \| good	21.297 \| good	0.465 \| good	10.727 \| good	0.174 \| good
2026-10-21T11:00:00.000Z	22 \| good	4.192 \| good	19.899 \| good	21.622 \| good	0.519 \| good	11.12 \| good	0.247 \| good
2026-10-21T12:00:00.000Z	22 \| good	3.22 \| good	7.675 \| good	23.863 \| good	0.502 \| good	13.505 \| good	0.226 \| good
2026-10-21T13:00:00.000Z	38 \| good	7.218 \| good	19.281 \| good	13.662 \| good	0.521 \| good	15.39 \| good	0.226 \| good
2026-10-21T14:00:00.000Z	22 \| good	2.94 \| good	23.854 \| good	19.974 \| good	0.341 \| good	12.589 \| good	0.206 \| good
2026-10-21T15:00:00.000Z	21 \| good	3.411 \| good	15.998 \| good	22.994 \| good	0.353 \| good	7.315 \| good	0.185 \| good
2026-10-21T16:00:00.000Z	23 \| good	3.53 \| good	18.838 \| good	25.405 \| good	0.372 \| good	6.218 \| good	0.173 \| good
2026-10-21T17:00:00.000Z	26 \| good	4.197 \| good	20.983 \| good	27.844 \| good	0.349 \| good	4.529 \| good	0.152 \| good
2026-10-21T18:00:00.000Z	30 \| good	2.836 \| good	8.591 \| good	32.203 \| good	0.31 \| good	2.968 \| good	0.125 \| good
2026-10-21T19:00:00.000Z	28 \| good	3.902 \| good	18.675 \| good	30.382 \| good	0.3 \| good	2.612 \| good	0.1 \| good
2026-10-21T20:00:00.000Z	30 \| good	3.331 \| good	13.873 \| good	31.793 \| good	0.29 \| good	2.396 \| good	0.1 \| good
2026-10-21T21:00:00.000Z	33 \| good	4.33 \| good	15.387 \| good	36.177 \| good	0.313 \| good	2.458 \| good	0.127 \| good
2026-10-21T22:00:00.000Z	34 \| good	2.994 \| good	14.483 \| good	37.358 \| good	0.45 \| good	2.696 \| good	0.127 \| good
2026-10-21T23:00:00.000Z	32 \| good	3.152 \| good	11.32 \| good	34.909 \| good	0.451 \| good	4.132 \| good	0.18 \| good
2026-10-22T00:00:00.000Z	31 \| good	2.447 \| good	15.374 \| good	33.221 \| good	0.503 \| good	7.345 \| good	0.167 \| good
2026-10-22T01:00:00.000Z	30 \| good	1.344 \| good	9.754 \| good	31.831 \| good	0.521 \| good	11.381 \| good	0.225 \| good
2026-10-22T02:00:00.000Z	28 \| good	4.068 \| good	18.576 \| good	29.597 \| good	0.52 \| good	12.921 \| good	0.266 \| good
2026-10-22T03:00:00.000Z	16 \| good	3.199 \| good	13.617 \| good	16.961 \| good	0.781 \| good	15.705 \| good	0.24 \| good
2026-10-22T04:00:00.000Z	22 \| good	3.817 \| good	11.99 \| good	21.833 \| good	0.501 \| good	12.311 \| good	0.247 \| good
2026-10-22T05:00:00.000Z	22 \| good	4.479 \| good	21.583 \| good	21.84 \| good	0.483 \| good	15.196 \| good	0.329 \| good
2026-10-22T06:00:00.000Z	27 \| good	4.817 \| good	17.206 \| good	18.799 \| good	0.463 \| good	16.585 \| good	0.336 \| good
2026-10-22T07:00:00.000Z	27 \| good	4.551 \| good	18.374 \| good	14.495 \| good	0.449 \| good	9.911 \| good	0.288 \| good
2026-10-22T08:00:00.000Z	22 \| good	3.946 \| good	15.317 \| good	12.442 \| good	0.51 \| good	12.971 \| good	0.247 \| good
2026-10-22T09:00:00.000Z	22 \| good	3.835 \| good	16.081 \| good	13.029 \| good	0.586 \| good	12.904 \| good	0.222 \| good
2026-10-22T10:00:00.000Z	22 \| good	3.696 \| good	15.035 \| good	13.103 \| good	0.568 \| good	13.068 \| good	0.263 \| good
2026-10-22T11:00:00.000Z	19 \| good	3.351 \| good	19.555 \| good	16.28 \| good	0.523 \| good	16.652 \| good	0.263 \| good
2026-10-22T12:00:00.000Z	16 \| good	2.985 \| good	14.368 \| good	15.75 \| good	0.599 \| good	15.408 \| good	0.282 \| good
2026-10-22T13:00:00.000Z	16 \| good	2.882 \| good	12.459 \| good	16.481 \| good	0.615 \| good	16.244 \| good	0.241 \| good
2026-10-22T14:00:00.000Z	19 \| good	2.579 \| good	14.583 \| good	21.479 \| good	0.584 \| good	14.877 \| good	0.214 \| good
2026-10-22T15:00:00.000Z	22 \| good	4.293 \| good	20.43 \| good	24.021 \| good	0.397 \| good	8.299 \| good	0.152 \| good
2026-10-22T16:00:00.000Z	27 \| good	5.014 \| good	23.685 \| good	26.89 \| good	0.186 \| good	4.117 \| good	0.125 \| good
2026-10-22T17:00:00.000Z	27 \| good	3.175 \| good	11.187 \| good	29.293 \| good	0.315 \| good	2.952 \| good	0.1 \| good
2026-10-22T18:00:00.000Z	31 \| good	2.24 \| good	11.347 \| good	32.925 \| good	0.29 \| good	3.178 \| good	0.1 \| good
2026-10-22T19:00:00.000Z	31 \| good	1.761 \| good	4.793 \| good	33.659 \| good	0.338 \| good	3.226 \| good	0.1 \| good
2026-10-22T19:00:00.000Z	31 \| good	1.776 \| good	4.916 \| good	34.174 \| good	0.331 \| good	3.68 \| good	0.1 \| good
2026-10-22T20:00:00.000Z	36 \| good	0.781 \| good	2.816 \| good	38.799 \| good	0.56 \| good	1.819 \| good	0.156 \| good
2026-10-22T21:00:00.000Z	33 \| good	1.754 \| good	7.486 \| good	36.356 \| good	0.548 \| good	2.485 \| good	0.162 \| good
2026-10-22T22:00:00.000Z	30 \| good	1.694 \| good	6.93 \| good	31.618 \| good	0.593 \| good	6.729 \| good	0.2 \| good
2026-10-22T23:00:00.000Z	26 \| good	2.05 \| good	8.163 \| good	28.438 \| good	0.667 \| good	12.799 \| good	0.252 \| good
2026-10-23T00:00:00.000Z	22 \| good	4.394 \| good	19.019 \| good	23.441 \| good	0.712 \| good	14.896 \| good	0.26 \| good
2026-10-23T01:00:00.000Z	27 \| good	4.942 \| good	21.124 \| good	20.5 \| good	0.729 \| good	15.488 \| good	0.254 \| good
2026-10-23T02:00:00.000Z	22 \| good	4.389 \| good	19.1 \| good	21.177 \| good	0.731 \| good	15.055 \| good	0.245 \| good
2026-10-23T03:00:00.000Z	22 \| good	3.385 \| good	14.537 \| good	23.903 \| good	0.755 \| good	14.572 \| good	0.238 \| good
2026-10-23T04:00:00.000Z	23 \| good	3.419 \| good	15.229 \| good	24.955 \| good	0.778 \| good	12.879 \| good	0.232 \| good
2026-10-23T05:00:00.000Z	21 \| good	3.278 \| good	14.473 \| good	23.058 \| good	0.789 \| good	9.728 \| good	0.22 \| good
2026-10-23T06:00:00.000Z	22 \| good	4.256 \| good	18.671 \| good	23.588 \| good	0.825 \| good	7.237 \| good	0.207 \| good
2026-10-23T07:00:00.000Z	22 \| good	4.45 \| good	19.48 \| good	22.08 \| good	0.839 \| good	5.635 \| good	0.197 \| good
2026-10-23T08:00:00.000Z	22 \| good	3.668 \| good	15.902 \| good	20.103 \| good	0.826 \| good	4.623 \| good	0.191 \| good
2026-10-23T09:00:00.000Z	22 \| good	3.977 \| good	17.513 \| good	17.36 \| good	0.786 \| good	3.967 \| good	0.185 \| good
2026-10-23T10:00:00.000Z	22 \| good	4.131 \| good	18.304 \| good	14.879 \| good	0.731 \| good	3.66 \| good	0.181 \| good
2026-10-23T11:00:00.000Z	27 \| good	5.075 \| good	22.14 \| good	14.264 \| good	0.693 \| good	3.928 \| good	0.181 \| good
2026-10-23T12:00:00.000Z	16 \| good	3.09 \| good	13.084 \| good	15.606 \| good	0.714 \| good	5.765 \| good	0.193 \| good
2026-10-23T13:00:00.000Z	22 \| good	4.001 \| good	17.361 \| good	22.018 \| good	0.727 \| good	4.494 \| good	0.193 \| good
2026-10-23T14:00:00.000Z	23 \| good	2.45 \| good	10.06 \| good	25.08 \| good	0.752 \| good	3.527 \| good	0.189 \| good
2026-10-23T15:00:00.000Z	26 \| good	2.819 \| good	11.582 \| good	28.483 \| good	0.793 \| good	3.16 \| good	0.186 \| good
2026-10-23T16:00:00.000Z	30 \| good	3.063 \| good	13.212 \| good	31.502 \| good	0.814 \| good	2.889 \| good	0.183 \| good
2026-10-23T17:00:00.000Z	31 \| good	2.359 \| good	9.629 \| good	34.244 \| good	0.818 \| good	2.622 \| good	0.18 \| good
2026-10-23T18:00:00.000Z	33 \| good	2.912 \| good	11.945 \| good	35.701 \| good	0.808 \| good	2.454 \| good	0.178 \| good
2026-10-23T19:00:00.000Z	33 \| good	3.257 \| good	14.043 \| good	36.449 \| good	0.8 \| good	2.439 \| good	0.176 \| good
2026-10-23T20:00:00.000Z	34 \| good	2.004 \| good	8.028 \| good	36.624 \| good	0.806 \| good	2.629 \| good	0.175 \| good
2026-10-23T21:00:00.000Z	31 \| good	4.247 \| good	18.643 \| good	33.269 \| good	0.823 \| good	3.205 \| good	0.176 \| good
2026-10-23T22:00:00.000Z	38 \| good	7.151 \| good	31.285 \| good	20.782 \| good	0.883 \| good	8.171 \| good	0.218 \| good
2026-10-23T23:00:00.000Z	49 \| good	9.272 \| good	41.139 \| good	14.957 \| good	1.041 \| good	19.372 \| good	0.314 \| good
2026-10-24T00:00:00.000Z	54 \| moderate	10.754 \| good	47.694 \| good	11.537 \| good	1.183 \| good	24.266 \| good	0.344 \| good
2026-10-24T01:00:00.000Z	56 \| moderate	11.517 \| good	51.918 \| good	8.388 \| good	1.243 \| good	24.859 \| good	0.323 \| good
2026-10-24T02:00:00.000Z	54 \| moderate	11.139 \| good	49.558 \| good	6.304 \| good	1.238 \| good	24.508 \| good	0.304 \| good
2026-10-24T03:00:00.000Z	38 \| good	7.498 \| good	33.141 \| good	9.978 \| good	1.224 \| good	24.496 \| good	0.293 \| good
2026-10-24T04:00:00.000Z	33 \| good	5.655 \| good	24.294 \| good	12.99 \| good	1.176 \| good	24.314 \| good	0.289 \| good
2026-10-24T05:00:00.000Z	22 \| good	4.073 \| good	18.001 \| good	15.942 \| good	1.065 \| good	22.604 \| good	0.282 \| good
2026-10-24T06:00:00.000Z	21 \| good	3.051 \| good	13.153 \| good	18.095 \| good	1.011 \| good	21.75 \| good	0.274 \| good
2026-10-24T07:00:00.000Z	21 \| good	2.035 \| good	8.511 \| good	17.081 \| good	0.988 \| good	21.736 \| good	0.268 \| good
2026-10-24T08:00:00.000Z	21 \| good	1.669 \| good	6.732 \| good	13.283 \| good	0.989 \| good	22.385 \| good	0.267 \| good
2026-10-24T09:00:00.000Z	22 \| good	2.001 \| good	8.093 \| good	8.456 \| good	1.015 \| good	23.393 \| good	0.271 \| good
2026-10-24T10:00:00.000Z	23 \| good	2.153 \| good	8.881 \| good	6.933 \| good	1.038 \| good	23.739 \| good	0.283 \| good
2026-10-24T11:00:00.000Z	22 \| good	2.726 \| good	11.373 \| good	4.812 \| good	1.034 \| good	23.232 \| good	0.306 \| good
2026-10-24T12:00:00.000Z	20 \| good	2.815 \| good	11.512 \| good	10.249 \| good	1.184 \| good	20.895 \| good	0.36 \| good
2026-10-24T13:00:00.000Z	22 \| good	3.891 \| good	16.843 \| good	19.557 \| good	1.22 \| good	16.893 \| good	0.397 \| good
2026-10-24T14:00:00.000Z	25 \| good	1.689 \| good	6.894 \| good	27.173 \| good	1.297 \| good	12.277 \| good	0.271 \| good
2026-10-24T15:00:00.000Z	30 \| good	2.414 \| good	9.864 \| good	31.781 \| good	1.055 \| good	5.082 \| good	0.182 \| good
2026-10-24T16:00:00.000Z	33 \| good	1.541 \| good	5.983 \| good	36.226 \| good	0.948 \| good	3.968 \| good	0.173 \| good
2026-10-24T17:00:00.000Z	35 \| good	1.507 \| good	6.093 \| good	38.356 \| good	0.896 \| good	3.488 \| good	0.17 \| good
2026-10-24T18:00:00.000Z	37 \| good	1.997 \| good	8.093 \| good	39.702 \| good	0.866 \| good	3.243 \| good	0.168 \| good
2026-10-24T19:00:00.000Z	39 \| good	2.26 \| good	9.442 \| good	41.979 \| good	0.852 \| good	3.193 \| good	0.168 \| good

Falls Church

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Falls Church, Virginia air quality map: Track AQI near you

0.10ppm

How accurate is Virginia, USA air quality data?

Air quality data and pollutant measurements for Virginia, 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 Falls Church, Virginia updated?

The air quality for Falls Church, Virginia is updated every hour.

When was the worst air quality at Falls Church, Virginia in the last 24 hrs?

The worst air quality in Falls Church, Virginia in the last 24 hours was observed at 10:00:00 on 2026-10-21.

When was the best air quality at Falls Church, Virginia in the last 24 hrs?

In the last 24 hrs, the best air quality in Falls Church, Virginia was observed at 01:00:00 on 2026-10-22.

What is the current air quality in Falls Church, Virginia?

The current air quality in Falls Church, Virginia is 31, categorized as Good based on real-time data.

What pollutant is the most common in Falls Church, Virginia?

The most common pollutant in Falls Church, Virginia is O3.

What should I do if the air quality in Falls Church, Virginia is poor?

If the air quality in Falls Church, Virginia is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Falls Church, Virginia?

The current PM_2.5 concentration at Falls Church, Virginia is 1.776 μg/m³.

What is the current concentration of PM₁₀ in Falls Church, Virginia?

The current PM₁₀ concentration at Falls Church, Virginia is 4.916 μg/m³.

What is the current concentration of carbon monoxide (CO) in Falls Church, Virginia?

The current carbon monoxide (CO) concentration at Falls Church, Virginia is 0.1 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Falls Church, Virginia?

The current sulfur dioxide (SO₂) concentration at Falls Church, Virginia is 0.331 ppb.

What is the current concentration of ozone (O₃) in Falls Church, Virginia?

The current ozone (O₃) concentration at Falls Church, Virginia is 34.174 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Falls Church, Virginia?

The current nitrogen dioxide (NO₂) concentration at Falls Church, Virginia is 3.68 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T20:00:00.000Z	39 \| good	3.081 \| good	15.305 \| good	42.492 \| good	0.125 \| good	4.532 \| good	0.152 \| good
2026-10-20T21:00:00.000Z	39 \| good	3.601 \| good	11.671 \| good	42.319 \| good	0.125 \| good	5.305 \| good	0.152 \| good
2026-10-20T22:00:00.000Z	41 \| good	3.089 \| good	13.401 \| good	43.628 \| good	0.301 \| good	3.645 \| good	0.152 \| good
2026-10-20T23:00:00.000Z	42 \| good	3.318 \| good	17.637 \| good	45.313 \| good	0.487 \| good	4.401 \| good	0.165 \| good
2026-10-21T00:00:00.000Z	38 \| good	3.037 \| good	15.333 \| good	41.273 \| good	0.556 \| good	7.068 \| good	0.205 \| good
2026-10-21T01:00:00.000Z	30 \| good	3.993 \| good	18.569 \| good	32.266 \| good	0.519 \| good	10.209 \| good	0.207 \| good
2026-10-21T02:00:00.000Z	29 \| good	4.957 \| good	16.144 \| good	30.701 \| good	0.535 \| good	8.608 \| good	0.248 \| good
2026-10-21T03:00:00.000Z	44 \| good	8.412 \| good	36.938 \| good	16.595 \| good	0.881 \| good	11.231 \| good	0.211 \| good
2026-10-21T04:00:00.000Z	29 \| good	5.026 \| good	23.783 \| good	30.97 \| good	0.465 \| good	13.578 \| good	0.336 \| good
2026-10-21T05:00:00.000Z	38 \| good	6.809 \| good	32.046 \| good	25.513 \| good	0.432 \| good	12.947 \| good	0.336 \| good
2026-10-21T06:00:00.000Z	33 \| good	6.259 \| good	21.934 \| good	21.12 \| good	0.451 \| good	10.338 \| good	0.288 \| good
2026-10-21T07:00:00.000Z	24 \| good	3.647 \| good	12.493 \| good	25.527 \| good	0.468 \| good	9.515 \| good	0.247 \| good
2026-10-21T08:00:00.000Z	27 \| good	5.126 \| good	23.463 \| good	24.111 \| good	0.481 \| good	9.115 \| good	0.206 \| good
2026-10-21T09:00:00.000Z	22 \| good	4.382 \| good	15.382 \| good	18.602 \| good	0.419 \| good	8.419 \| good	0.178 \| good
2026-10-21T10:00:00.000Z	19 \| good	3.274 \| good	13.129 \| good	21.297 \| good	0.465 \| good	10.727 \| good	0.174 \| good
2026-10-21T11:00:00.000Z	22 \| good	4.192 \| good	19.899 \| good	21.622 \| good	0.519 \| good	11.12 \| good	0.247 \| good
2026-10-21T12:00:00.000Z	22 \| good	3.22 \| good	7.675 \| good	23.863 \| good	0.502 \| good	13.505 \| good	0.226 \| good
2026-10-21T13:00:00.000Z	38 \| good	7.218 \| good	19.281 \| good	13.662 \| good	0.521 \| good	15.39 \| good	0.226 \| good
2026-10-21T14:00:00.000Z	22 \| good	2.94 \| good	23.854 \| good	19.974 \| good	0.341 \| good	12.589 \| good	0.206 \| good
2026-10-21T15:00:00.000Z	21 \| good	3.411 \| good	15.998 \| good	22.994 \| good	0.353 \| good	7.315 \| good	0.185 \| good
2026-10-21T16:00:00.000Z	23 \| good	3.53 \| good	18.838 \| good	25.405 \| good	0.372 \| good	6.218 \| good	0.173 \| good
2026-10-21T17:00:00.000Z	26 \| good	4.197 \| good	20.983 \| good	27.844 \| good	0.349 \| good	4.529 \| good	0.152 \| good
2026-10-21T18:00:00.000Z	30 \| good	2.836 \| good	8.591 \| good	32.203 \| good	0.31 \| good	2.968 \| good	0.125 \| good
2026-10-21T19:00:00.000Z	28 \| good	3.902 \| good	18.675 \| good	30.382 \| good	0.3 \| good	2.612 \| good	0.1 \| good
2026-10-21T20:00:00.000Z	30 \| good	3.331 \| good	13.873 \| good	31.793 \| good	0.29 \| good	2.396 \| good	0.1 \| good
2026-10-21T21:00:00.000Z	33 \| good	4.33 \| good	15.387 \| good	36.177 \| good	0.313 \| good	2.458 \| good	0.127 \| good
2026-10-21T22:00:00.000Z	34 \| good	2.994 \| good	14.483 \| good	37.358 \| good	0.45 \| good	2.696 \| good	0.127 \| good
2026-10-21T23:00:00.000Z	32 \| good	3.152 \| good	11.32 \| good	34.909 \| good	0.451 \| good	4.132 \| good	0.18 \| good
2026-10-22T00:00:00.000Z	31 \| good	2.447 \| good	15.374 \| good	33.221 \| good	0.503 \| good	7.345 \| good	0.167 \| good
2026-10-22T01:00:00.000Z	30 \| good	1.344 \| good	9.754 \| good	31.831 \| good	0.521 \| good	11.381 \| good	0.225 \| good
2026-10-22T02:00:00.000Z	28 \| good	4.068 \| good	18.576 \| good	29.597 \| good	0.52 \| good	12.921 \| good	0.266 \| good
2026-10-22T03:00:00.000Z	16 \| good	3.199 \| good	13.617 \| good	16.961 \| good	0.781 \| good	15.705 \| good	0.24 \| good
2026-10-22T04:00:00.000Z	22 \| good	3.817 \| good	11.99 \| good	21.833 \| good	0.501 \| good	12.311 \| good	0.247 \| good
2026-10-22T05:00:00.000Z	22 \| good	4.479 \| good	21.583 \| good	21.84 \| good	0.483 \| good	15.196 \| good	0.329 \| good
2026-10-22T06:00:00.000Z	27 \| good	4.817 \| good	17.206 \| good	18.799 \| good	0.463 \| good	16.585 \| good	0.336 \| good
2026-10-22T07:00:00.000Z	27 \| good	4.551 \| good	18.374 \| good	14.495 \| good	0.449 \| good	9.911 \| good	0.288 \| good
2026-10-22T08:00:00.000Z	22 \| good	3.946 \| good	15.317 \| good	12.442 \| good	0.51 \| good	12.971 \| good	0.247 \| good
2026-10-22T09:00:00.000Z	22 \| good	3.835 \| good	16.081 \| good	13.029 \| good	0.586 \| good	12.904 \| good	0.222 \| good
2026-10-22T10:00:00.000Z	22 \| good	3.696 \| good	15.035 \| good	13.103 \| good	0.568 \| good	13.068 \| good	0.263 \| good
2026-10-22T11:00:00.000Z	19 \| good	3.351 \| good	19.555 \| good	16.28 \| good	0.523 \| good	16.652 \| good	0.263 \| good
2026-10-22T12:00:00.000Z	16 \| good	2.985 \| good	14.368 \| good	15.75 \| good	0.599 \| good	15.408 \| good	0.282 \| good
2026-10-22T13:00:00.000Z	16 \| good	2.882 \| good	12.459 \| good	16.481 \| good	0.615 \| good	16.244 \| good	0.241 \| good
2026-10-22T14:00:00.000Z	19 \| good	2.579 \| good	14.583 \| good	21.479 \| good	0.584 \| good	14.877 \| good	0.214 \| good
2026-10-22T15:00:00.000Z	22 \| good	4.293 \| good	20.43 \| good	24.021 \| good	0.397 \| good	8.299 \| good	0.152 \| good
2026-10-22T16:00:00.000Z	27 \| good	5.014 \| good	23.685 \| good	26.89 \| good	0.186 \| good	4.117 \| good	0.125 \| good
2026-10-22T17:00:00.000Z	27 \| good	3.175 \| good	11.187 \| good	29.293 \| good	0.315 \| good	2.952 \| good	0.1 \| good
2026-10-22T18:00:00.000Z	31 \| good	2.24 \| good	11.347 \| good	32.925 \| good	0.29 \| good	3.178 \| good	0.1 \| good
2026-10-22T19:00:00.000Z	31 \| good	1.761 \| good	4.793 \| good	33.659 \| good	0.338 \| good	3.226 \| good	0.1 \| good
2026-10-22T19:00:00.000Z	31 \| good	1.776 \| good	4.916 \| good	34.174 \| good	0.331 \| good	3.68 \| good	0.1 \| good
2026-10-22T20:00:00.000Z	36 \| good	0.781 \| good	2.816 \| good	38.799 \| good	0.56 \| good	1.819 \| good	0.156 \| good
2026-10-22T21:00:00.000Z	33 \| good	1.754 \| good	7.486 \| good	36.356 \| good	0.548 \| good	2.485 \| good	0.162 \| good
2026-10-22T22:00:00.000Z	30 \| good	1.694 \| good	6.93 \| good	31.618 \| good	0.593 \| good	6.729 \| good	0.2 \| good
2026-10-22T23:00:00.000Z	26 \| good	2.05 \| good	8.163 \| good	28.438 \| good	0.667 \| good	12.799 \| good	0.252 \| good
2026-10-23T00:00:00.000Z	22 \| good	4.394 \| good	19.019 \| good	23.441 \| good	0.712 \| good	14.896 \| good	0.26 \| good
2026-10-23T01:00:00.000Z	27 \| good	4.942 \| good	21.124 \| good	20.5 \| good	0.729 \| good	15.488 \| good	0.254 \| good
2026-10-23T02:00:00.000Z	22 \| good	4.389 \| good	19.1 \| good	21.177 \| good	0.731 \| good	15.055 \| good	0.245 \| good
2026-10-23T03:00:00.000Z	22 \| good	3.385 \| good	14.537 \| good	23.903 \| good	0.755 \| good	14.572 \| good	0.238 \| good
2026-10-23T04:00:00.000Z	23 \| good	3.419 \| good	15.229 \| good	24.955 \| good	0.778 \| good	12.879 \| good	0.232 \| good
2026-10-23T05:00:00.000Z	21 \| good	3.278 \| good	14.473 \| good	23.058 \| good	0.789 \| good	9.728 \| good	0.22 \| good
2026-10-23T06:00:00.000Z	22 \| good	4.256 \| good	18.671 \| good	23.588 \| good	0.825 \| good	7.237 \| good	0.207 \| good
2026-10-23T07:00:00.000Z	22 \| good	4.45 \| good	19.48 \| good	22.08 \| good	0.839 \| good	5.635 \| good	0.197 \| good
2026-10-23T08:00:00.000Z	22 \| good	3.668 \| good	15.902 \| good	20.103 \| good	0.826 \| good	4.623 \| good	0.191 \| good
2026-10-23T09:00:00.000Z	22 \| good	3.977 \| good	17.513 \| good	17.36 \| good	0.786 \| good	3.967 \| good	0.185 \| good
2026-10-23T10:00:00.000Z	22 \| good	4.131 \| good	18.304 \| good	14.879 \| good	0.731 \| good	3.66 \| good	0.181 \| good
2026-10-23T11:00:00.000Z	27 \| good	5.075 \| good	22.14 \| good	14.264 \| good	0.693 \| good	3.928 \| good	0.181 \| good
2026-10-23T12:00:00.000Z	16 \| good	3.09 \| good	13.084 \| good	15.606 \| good	0.714 \| good	5.765 \| good	0.193 \| good
2026-10-23T13:00:00.000Z	22 \| good	4.001 \| good	17.361 \| good	22.018 \| good	0.727 \| good	4.494 \| good	0.193 \| good
2026-10-23T14:00:00.000Z	23 \| good	2.45 \| good	10.06 \| good	25.08 \| good	0.752 \| good	3.527 \| good	0.189 \| good
2026-10-23T15:00:00.000Z	26 \| good	2.819 \| good	11.582 \| good	28.483 \| good	0.793 \| good	3.16 \| good	0.186 \| good
2026-10-23T16:00:00.000Z	30 \| good	3.063 \| good	13.212 \| good	31.502 \| good	0.814 \| good	2.889 \| good	0.183 \| good
2026-10-23T17:00:00.000Z	31 \| good	2.359 \| good	9.629 \| good	34.244 \| good	0.818 \| good	2.622 \| good	0.18 \| good
2026-10-23T18:00:00.000Z	33 \| good	2.912 \| good	11.945 \| good	35.701 \| good	0.808 \| good	2.454 \| good	0.178 \| good
2026-10-23T19:00:00.000Z	33 \| good	3.257 \| good	14.043 \| good	36.449 \| good	0.8 \| good	2.439 \| good	0.176 \| good
2026-10-23T20:00:00.000Z	34 \| good	2.004 \| good	8.028 \| good	36.624 \| good	0.806 \| good	2.629 \| good	0.175 \| good
2026-10-23T21:00:00.000Z	31 \| good	4.247 \| good	18.643 \| good	33.269 \| good	0.823 \| good	3.205 \| good	0.176 \| good
2026-10-23T22:00:00.000Z	38 \| good	7.151 \| good	31.285 \| good	20.782 \| good	0.883 \| good	8.171 \| good	0.218 \| good
2026-10-23T23:00:00.000Z	49 \| good	9.272 \| good	41.139 \| good	14.957 \| good	1.041 \| good	19.372 \| good	0.314 \| good
2026-10-24T00:00:00.000Z	54 \| moderate	10.754 \| good	47.694 \| good	11.537 \| good	1.183 \| good	24.266 \| good	0.344 \| good
2026-10-24T01:00:00.000Z	56 \| moderate	11.517 \| good	51.918 \| good	8.388 \| good	1.243 \| good	24.859 \| good	0.323 \| good
2026-10-24T02:00:00.000Z	54 \| moderate	11.139 \| good	49.558 \| good	6.304 \| good	1.238 \| good	24.508 \| good	0.304 \| good
2026-10-24T03:00:00.000Z	38 \| good	7.498 \| good	33.141 \| good	9.978 \| good	1.224 \| good	24.496 \| good	0.293 \| good
2026-10-24T04:00:00.000Z	33 \| good	5.655 \| good	24.294 \| good	12.99 \| good	1.176 \| good	24.314 \| good	0.289 \| good
2026-10-24T05:00:00.000Z	22 \| good	4.073 \| good	18.001 \| good	15.942 \| good	1.065 \| good	22.604 \| good	0.282 \| good
2026-10-24T06:00:00.000Z	21 \| good	3.051 \| good	13.153 \| good	18.095 \| good	1.011 \| good	21.75 \| good	0.274 \| good
2026-10-24T07:00:00.000Z	21 \| good	2.035 \| good	8.511 \| good	17.081 \| good	0.988 \| good	21.736 \| good	0.268 \| good
2026-10-24T08:00:00.000Z	21 \| good	1.669 \| good	6.732 \| good	13.283 \| good	0.989 \| good	22.385 \| good	0.267 \| good
2026-10-24T09:00:00.000Z	22 \| good	2.001 \| good	8.093 \| good	8.456 \| good	1.015 \| good	23.393 \| good	0.271 \| good
2026-10-24T10:00:00.000Z	23 \| good	2.153 \| good	8.881 \| good	6.933 \| good	1.038 \| good	23.739 \| good	0.283 \| good
2026-10-24T11:00:00.000Z	22 \| good	2.726 \| good	11.373 \| good	4.812 \| good	1.034 \| good	23.232 \| good	0.306 \| good
2026-10-24T12:00:00.000Z	20 \| good	2.815 \| good	11.512 \| good	10.249 \| good	1.184 \| good	20.895 \| good	0.36 \| good
2026-10-24T13:00:00.000Z	22 \| good	3.891 \| good	16.843 \| good	19.557 \| good	1.22 \| good	16.893 \| good	0.397 \| good
2026-10-24T14:00:00.000Z	25 \| good	1.689 \| good	6.894 \| good	27.173 \| good	1.297 \| good	12.277 \| good	0.271 \| good
2026-10-24T15:00:00.000Z	30 \| good	2.414 \| good	9.864 \| good	31.781 \| good	1.055 \| good	5.082 \| good	0.182 \| good
2026-10-24T16:00:00.000Z	33 \| good	1.541 \| good	5.983 \| good	36.226 \| good	0.948 \| good	3.968 \| good	0.173 \| good
2026-10-24T17:00:00.000Z	35 \| good	1.507 \| good	6.093 \| good	38.356 \| good	0.896 \| good	3.488 \| good	0.17 \| good
2026-10-24T18:00:00.000Z	37 \| good	1.997 \| good	8.093 \| good	39.702 \| good	0.866 \| good	3.243 \| good	0.168 \| good
2026-10-24T19:00:00.000Z	39 \| good	2.26 \| good	9.442 \| good	41.979 \| good	0.852 \| good	3.193 \| good	0.168 \| good

Falls Church, Virginia live air quality index now

Major air pollutants in Falls Church, Virginia

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Air quality in nearby cities

West Falls Church, Virginia

Lake Barcroft, Virginia

Idylwood, Virginia

Merrifield, Virginia

Bailey's Crossroads, Virginia

Arlington, Virginia

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Frequently asked questions

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What is the current concentration of PM2.5 in Falls Church, Virginia?

What is the current concentration of PM10 in Falls Church, Virginia?

What is the current concentration of carbon monoxide (CO) in Falls Church, Virginia?

What is the current concentration of sulfur dioxide (SO2) in Falls Church, Virginia?

What is the current concentration of ozone (O3) in Falls Church, Virginia?

What is the current concentration of nitrogen dioxide (NO2) in Falls Church, Virginia?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the current concentration of PM_2.5 in Falls Church, Virginia?

What is the current concentration of PM₁₀ in Falls Church, Virginia?

What is the current concentration of sulfur dioxide (SO₂) in Falls Church, Virginia?

What is the current concentration of ozone (O₃) in Falls Church, Virginia?

What is the current concentration of nitrogen dioxide (NO₂) in Falls Church, Virginia?