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

The current PM10 concentration at Falls Church, Virginia is 21.58 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 0.525 ppb.

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

The current ozone (O3) concentration at Falls Church, Virginia is 39.326 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 2.976 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 6.096 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)

6.10 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

21.58 μg/m³

155

255

425

605+

Ozone (O₃)

39.33 ppb

201

201+

Sulfur Dioxide (SO₂)

0.53 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.98 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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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
2026-03-07T21:00:00.000Z	38 \| good	7.003 \| good	25.248 \| good	26.379 \| good	0.45 \| good	4.784 \| good	0.167 \| good
2026-03-07T22:00:00.000Z	44 \| good	8.166 \| good	33.517 \| good	28.074 \| good	0.433 \| good	3.996 \| good	0.161 \| good
2026-03-07T23:00:00.000Z	52 \| moderate	9.593 \| good	41.188 \| good	29.19 \| good	0.453 \| good	4.108 \| good	0.164 \| good
2026-03-08T00:00:00.000Z	44 \| good	8.309 \| good	35.019 \| good	28.701 \| good	0.444 \| good	5.421 \| good	0.189 \| good
2026-03-08T01:00:00.000Z	49 \| good	8.944 \| good	29.552 \| good	26.424 \| good	0.434 \| good	11.42 \| good	0.248 \| good
2026-03-08T02:00:00.000Z	54 \| moderate	10.78 \| good	45.555 \| good	23.967 \| good	0.415 \| good	15.375 \| good	0.351 \| good
2026-03-08T03:00:00.000Z	54 \| moderate	10.623 \| good	47.183 \| good	23.05 \| good	1.243 \| good	4.617 \| good	0.125 \| good
2026-03-08T04:00:00.000Z	56 \| moderate	11.604 \| good	48.74 \| good	22.617 \| good	0.416 \| good	8.985 \| good	0.245 \| good
2026-03-08T05:00:00.000Z	56 \| moderate	12.446 \| fine	48.606 \| good	18.544 \| good	0.421 \| good	12.225 \| good	0.32 \| good
2026-03-08T06:00:00.000Z	56 \| moderate	11.967 \| good	45.596 \| good	13.403 \| good	0.355 \| good	16.272 \| good	0.428 \| good
2026-03-08T07:00:00.000Z	58 \| moderate	13.032 \| fine	47.724 \| good	9.235 \| good	0.412 \| good	18.028 \| good	0.474 \| good
2026-03-08T08:00:00.000Z	58 \| moderate	13.253 \| fine	56.37 \| fine	8.079 \| good	0.442 \| good	20.755 \| good	0.437 \| good
2026-03-08T09:00:00.000Z	58 \| moderate	13.152 \| fine	53.948 \| good	10.451 \| good	0.447 \| good	12.275 \| good	0.291 \| good
2026-03-08T10:00:00.000Z	58 \| moderate	13.222 \| fine	57.042 \| fine	12.176 \| good	0.462 \| good	9.87 \| good	0.375 \| good
2026-03-08T11:00:00.000Z	58 \| moderate	12.64 \| fine	53.6 \| good	12.611 \| good	0.495 \| good	6.451 \| good	0.304 \| good
2026-03-08T12:00:00.000Z	56 \| moderate	12.074 \| good	47.892 \| good	11.962 \| good	0.496 \| good	9.788 \| good	0.182 \| good
2026-03-08T13:00:00.000Z	52 \| moderate	10.206 \| good	34.677 \| good	10.231 \| good	0.509 \| good	14.45 \| good	0.182 \| good
2026-03-08T14:00:00.000Z	52 \| moderate	9.981 \| good	38.891 \| good	12.462 \| good	0.611 \| good	15.383 \| good	0.213 \| good
2026-03-08T15:00:00.000Z	54 \| moderate	10.953 \| good	45.903 \| good	11.229 \| good	0.645 \| good	14.652 \| good	0.321 \| good
2026-03-08T16:00:00.000Z	54 \| moderate	11.392 \| good	47.656 \| good	12.308 \| good	0.544 \| good	13.655 \| good	0.31 \| good
2026-03-08T17:00:00.000Z	56 \| moderate	11.66 \| good	49.65 \| good	14.094 \| good	0.538 \| good	10.786 \| good	0.273 \| good
2026-03-08T18:00:00.000Z	54 \| moderate	10.727 \| good	46.787 \| good	20.467 \| good	0.49 \| good	4.093 \| good	0.189 \| good
2026-03-08T19:00:00.000Z	38 \| good	7.035 \| good	31.288 \| good	25.779 \| good	0.504 \| good	2.799 \| good	0.187 \| good
2026-03-08T20:00:00.000Z	29 \| good	4.339 \| good	17.846 \| good	31.056 \| good	0.486 \| good	2.625 \| good	0.163 \| good
2026-03-08T21:00:00.000Z	34 \| good	2.935 \| good	12.351 \| good	36.758 \| good	0.461 \| good	2.39 \| good	0.167 \| good
2026-03-08T22:00:00.000Z	36 \| good	2.098 \| good	7.183 \| good	39.152 \| good	0.465 \| good	2.394 \| good	0.167 \| good
2026-03-08T23:00:00.000Z	36 \| good	1.232 \| good	3.703 \| good	39.197 \| good	0.409 \| good	2.579 \| good	0.167 \| good
2026-03-09T00:00:00.000Z	35 \| good	1.934 \| good	7.775 \| good	38.161 \| good	0.437 \| good	3.894 \| good	0.127 \| good
2026-03-09T01:00:00.000Z	31 \| good	3.632 \| good	15.359 \| good	33.391 \| good	0.467 \| good	9.18 \| good	0.22 \| good
2026-03-09T02:00:00.000Z	32 \| good	2.834 \| good	11.431 \| good	35 \| good	0.4 \| good	6.198 \| good	0.171 \| good
2026-03-09T03:00:00.000Z	54 \| moderate	10.871 \| good	48.285 \| good	24.518 \| good	3.102 \| good	24.715 \| good	0.48 \| good
2026-03-09T04:00:00.000Z	33 \| good	6.205 \| good	26.822 \| good	26.457 \| good	0.384 \| good	17.597 \| good	0.307 \| good
2026-03-09T05:00:00.000Z	38 \| good	6.89 \| good	28.829 \| good	20.189 \| good	0.404 \| good	20.436 \| good	0.331 \| good
2026-03-09T06:00:00.000Z	33 \| good	6.081 \| good	23.806 \| good	15.852 \| good	0.408 \| good	20.809 \| good	0.414 \| good
2026-03-09T07:00:00.000Z	38 \| good	6.919 \| good	27.361 \| good	14.666 \| good	0.46 \| good	22.354 \| good	0.463 \| good
2026-03-09T08:00:00.000Z	38 \| good	7.434 \| good	28.829 \| good	10.08 \| good	0.44 \| good	22.075 \| good	0.455 \| good
2026-03-09T09:00:00.000Z	33 \| good	5.899 \| good	20.037 \| good	8.949 \| good	0.411 \| good	22.287 \| good	0.467 \| good
2026-03-09T10:00:00.000Z	38 \| good	6.695 \| good	26.853 \| good	8.014 \| good	0.457 \| good	21.475 \| good	0.47 \| good
2026-03-09T11:00:00.000Z	38 \| good	7.115 \| good	30.777 \| good	7.569 \| good	0.574 \| good	21.487 \| good	0.493 \| good
2026-03-09T12:00:00.000Z	44 \| good	8.019 \| good	32.563 \| good	4.75 \| good	0.692 \| good	21.345 \| good	0.642 \| good
2026-03-09T13:00:00.000Z	38 \| good	7.136 \| good	26.262 \| good	5.194 \| good	0.72 \| good	21.95 \| good	0.807 \| good
2026-03-09T14:00:00.000Z	38 \| good	7.117 \| good	28.966 \| good	5.995 \| good	0.865 \| good	26.763 \| good	1.034 \| good
2026-03-09T15:00:00.000Z	56 \| moderate	11.549 \| good	46.368 \| good	5.675 \| good	0.777 \| good	32.169 \| good	0.925 \| good
2026-03-09T16:00:00.000Z	60 \| moderate	14.279 \| fine	53.279 \| good	12.257 \| good	0.549 \| good	35.074 \| good	0.624 \| good
2026-03-09T17:00:00.000Z	56 \| moderate	12.192 \| fine	34.348 \| good	20.051 \| good	0.584 \| good	21.68 \| good	0.338 \| good
2026-03-09T18:00:00.000Z	67 \| moderate	17.779 \| fine	67.959 \| fine	28.86 \| good	0.554 \| good	8.452 \| good	0.148 \| good
2026-03-09T19:00:00.000Z	52 \| moderate	9.636 \| good	37.911 \| good	33.454 \| good	0.569 \| good	3.394 \| good	0.152 \| good
2026-03-09T20:00:00.000Z	34 \| good	6.03 \| good	23.097 \| good	37.467 \| good	0.5 \| good	2.989 \| good	0.177 \| good
2026-03-09T20:00:00.000Z	36 \| good	6.096 \| good	21.58 \| good	39.326 \| good	0.525 \| good	2.976 \| good	0.17 \| good
2026-03-09T21:00:00.000Z	40 \| good	5.561 \| good	23.759 \| good	43.217 \| good	1.111 \| good	2.701 \| good	0.149 \| good
2026-03-09T22:00:00.000Z	34 \| good	3.766 \| good	16.488 \| good	37.014 \| good	1.155 \| good	9.899 \| good	0.192 \| good
2026-03-09T23:00:00.000Z	38 \| good	6.65 \| good	29.573 \| good	27.104 \| good	1.198 \| good	17.096 \| good	0.235 \| good
2026-03-10T00:00:00.000Z	44 \| good	8.002 \| good	35.191 \| good	17.914 \| good	1.242 \| good	24.294 \| good	0.277 \| good
2026-03-10T01:00:00.000Z	52 \| moderate	9.811 \| good	43.723 \| good	18.81 \| good	1.247 \| good	22.741 \| good	0.264 \| good
2026-03-10T02:00:00.000Z	49 \| good	9.398 \| good	42.052 \| good	19.287 \| good	1.251 \| good	21.189 \| good	0.25 \| good
2026-03-10T03:00:00.000Z	52 \| moderate	10.187 \| good	44.986 \| good	19.356 \| good	1.255 \| good	19.636 \| good	0.237 \| good
2026-03-10T04:00:00.000Z	49 \| good	9.448 \| good	42.279 \| good	19.86 \| good	1.161 \| good	17.687 \| good	0.231 \| good
2026-03-10T05:00:00.000Z	54 \| moderate	10.715 \| good	47.32 \| good	20.733 \| good	1.066 \| good	15.737 \| good	0.225 \| good
2026-03-10T06:00:00.000Z	56 \| moderate	11.73 \| good	51.919 \| good	16.356 \| good	0.972 \| good	13.787 \| good	0.218 \| good
2026-03-10T07:00:00.000Z	58 \| moderate	13.12 \| fine	59.093 \| fine	8.473 \| good	1.017 \| good	15.054 \| good	0.223 \| good
2026-03-10T08:00:00.000Z	56 \| moderate	12.43 \| fine	55.821 \| fine	10.425 \| good	1.063 \| good	16.32 \| good	0.228 \| good
2026-03-10T09:00:00.000Z	49 \| good	9.407 \| good	42.126 \| good	9.203 \| good	1.108 \| good	17.586 \| good	0.233 \| good
2026-03-10T10:00:00.000Z	44 \| good	8.164 \| good	35.786 \| good	7.378 \| good	1.32 \| good	18.447 \| good	0.276 \| good
2026-03-10T11:00:00.000Z	49 \| good	9.162 \| good	40.697 \| good	2.174 \| good	1.531 \| good	19.308 \| good	0.32 \| good
2026-03-10T12:00:00.000Z	54 \| moderate	10.875 \| good	48.395 \| good	2.011 \| good	1.743 \| good	20.169 \| good	0.363 \| good
2026-03-10T13:00:00.000Z	52 \| moderate	10.196 \| good	45.207 \| good	10.505 \| good	1.959 \| good	18.782 \| good	0.348 \| good
2026-03-10T14:00:00.000Z	49 \| good	8.696 \| good	38.056 \| good	18.594 \| good	2.176 \| good	17.395 \| good	0.333 \| good
2026-03-10T15:00:00.000Z	38 \| good	7.47 \| good	32.837 \| good	33.622 \| good	2.392 \| good	16.008 \| good	0.318 \| good
2026-03-10T16:00:00.000Z	38 \| good	6.976 \| good	30.914 \| good	40.573 \| good	1.988 \| good	11.923 \| good	0.266 \| good
2026-03-10T17:00:00.000Z	39 \| good	6.286 \| good	27.989 \| good	41.907 \| good	1.585 \| good	7.839 \| good	0.215 \| good
2026-03-10T18:00:00.000Z	38 \| good	6.748 \| good	29.923 \| good	40.248 \| good	1.181 \| good	3.754 \| good	0.163 \| good
2026-03-10T19:00:00.000Z	36 \| good	6.457 \| good	28.603 \| good	39.332 \| good	0.995 \| good	3.53 \| good	0.159 \| good
2026-03-10T20:00:00.000Z	35 \| good	5.794 \| good	25.219 \| good	38.392 \| good	0.809 \| good	3.305 \| good	0.155 \| good
2026-03-10T21:00:00.000Z	38 \| good	6.999 \| good	31.046 \| good	37.747 \| good	0.622 \| good	3.081 \| good	0.151 \| good
2026-03-10T22:00:00.000Z	38 \| good	6.547 \| good	28.883 \| good	32.724 \| good	0.794 \| good	8.617 \| good	0.183 \| good
2026-03-10T23:00:00.000Z	54 \| moderate	10.727 \| good	47.574 \| good	24.784 \| good	0.967 \| good	14.154 \| good	0.214 \| good
2026-03-11T00:00:00.000Z	49 \| good	9.058 \| good	40.304 \| good	15.133 \| good	1.139 \| good	19.69 \| good	0.246 \| good
2026-03-11T01:00:00.000Z	52 \| moderate	9.697 \| good	43.467 \| good	18.946 \| good	1.177 \| good	18.505 \| good	0.234 \| good
2026-03-11T02:00:00.000Z	60 \| moderate	13.719 \| fine	61.546 \| fine	25.304 \| good	1.216 \| good	17.319 \| good	0.222 \| good
2026-03-11T03:00:00.000Z	60 \| moderate	14.112 \| fine	63.039 \| fine	25.107 \| good	1.255 \| good	16.134 \| good	0.21 \| good
2026-03-11T04:00:00.000Z	60 \| moderate	14.06 \| fine	62.868 \| fine	20.387 \| good	1.303 \| good	13.641 \| good	0.197 \| good
2026-03-11T05:00:00.000Z	62 \| moderate	14.616 \| fine	65.289 \| fine	15.73 \| good	1.352 \| good	11.148 \| good	0.184 \| good
2026-03-11T06:00:00.000Z	54 \| moderate	11.107 \| good	11.272 \| good	27.298 \| good	1.407 \| good	8.671 \| good	0.171 \| good
2026-03-11T07:00:00.000Z	64 \| moderate	16.237 \| fine	72.24 \| fine	12.821 \| good	1.442 \| good	7.852 \| good	0.167 \| good
2026-03-11T08:00:00.000Z	58 \| moderate	13.358 \| fine	60.285 \| fine	9.99 \| good	1.483 \| good	7.048 \| good	0.161 \| good
2026-03-11T09:00:00.000Z	54 \| moderate	11.15 \| good	49.446 \| good	8.301 \| good	1.524 \| good	6.245 \| good	0.156 \| good
2026-03-11T10:00:00.000Z	62 \| moderate	15.202 \| fine	67.872 \| fine	3.219 \| good	1.595 \| good	7.916 \| good	0.165 \| good
2026-03-11T11:00:00.000Z	56 \| moderate	11.532 \| good	50.897 \| good	1.423 \| good	1.666 \| good	9.587 \| good	0.174 \| good
2026-03-11T12:00:00.000Z	56 \| moderate	11.615 \| good	11.683 \| good	17.617 \| good	1.744 \| good	11.344 \| good	0.184 \| good
2026-03-11T13:00:00.000Z	56 \| moderate	12.368 \| fine	12.43 \| good	20.17 \| good	1.769 \| good	9.875 \| good	0.186 \| good
2026-03-11T14:00:00.000Z	56 \| moderate	11.723 \| good	11.787 \| good	22.723 \| good	1.795 \| good	8.405 \| good	0.189 \| good
2026-03-11T15:00:00.000Z	54 \| moderate	10.793 \| good	10.862 \| good	25.275 \| good	1.821 \| good	6.936 \| good	0.191 \| good
2026-03-11T16:00:00.000Z	52 \| moderate	9.532 \| good	9.605 \| good	27.916 \| good	1.552 \| good	5.822 \| good	0.178 \| good
2026-03-11T17:00:00.000Z	33 \| good	6.249 \| good	27.781 \| good	18.47 \| good	1.282 \| good	4.682 \| good	0.164 \| good
2026-03-11T18:00:00.000Z	38 \| good	7.297 \| good	7.415 \| good	33.198 \| good	1.013 \| good	3.595 \| good	0.15 \| good
2026-03-11T19:00:00.000Z	38 \| good	7.057 \| good	7.215 \| good	34.289 \| good	0.906 \| good	3.448 \| good	0.146 \| good
2026-03-11T20:00:00.000Z	38 \| good	6.647 \| good	6.797 \| good	35.38 \| good	0.8 \| good	3.301 \| good	0.142 \| good

Falls Church

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

0.15ppm

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 06:00:00 on 2026-03-09.

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 08:00:00 on 2026-03-08.

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

The current air quality in Falls Church, Virginia is 36, 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 6.096 μg/m³.

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

The current PM₁₀ concentration at Falls Church, Virginia is 21.58 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 0.17 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 0.525 ppb.

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

The current ozone (O₃) concentration at Falls Church, Virginia is 39.326 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 2.976 ppb.

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