What are the current PM10 levels at Fairfax, Virginia?

The current PM10 levels in Fairfax, Virginia are 24.487 μg/m3.

What are the current sulfur dioxide (SO2) levels at Fairfax, Virginia?

The current sulfur dioxide (SO2) levels in Fairfax, Virginia are 0.552 ppb.

What are the current ozone (O3) levels at Fairfax, Virginia?

The current ozone (O3) levels at Fairfax, Virginia is 33.363 ppm.

What are the current nitrogen dioxide (NO2) levels at Fairfax, Virginia?

The current nitrogen dioxide (NO2) levels at Fairfax, Virginia is 10.019 ppb.

Real-time air quality index in Fairfax, Virginia today

Q: What are the current PM2.5 levels in Fairfax, Virginia?

The measured PM2.5 levels in Fairfax, Virginia at present are 5.598 μg/m3.

Stay updated with real-time air quality in Fairfax, 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

Fairfax, Virginia

Last updated: ... (Local time)

Common air pollutants in Fairfax, Virginia

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.60 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

24.49 μg/m³

155

255

425

605+

Ozone (O₃)

33.36 ppb

201

201+

Sulfur Dioxide (SO₂)

0.55 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

10.02 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.14 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Fairfax, Virginia

Get Live Pollen Counts

Fairfax, Virginia

Scroll To Air Quality Map

Track live Fairfax, Virginia air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T03:00:00.000Z	33 \| good	5.634 \| good	24.216 \| good	20.823 \| good	3.054 \| good	20.823 \| good	0.25 \| good
2026-01-21T04:00:00.000Z	22 \| good	2.768 \| good	15.192 \| good	24.09 \| good	0.516 \| good	11.28 \| good	0.269 \| good
2026-01-21T05:00:00.000Z	22 \| good	4.154 \| good	16.133 \| good	19.95 \| good	0.665 \| good	15.131 \| good	0.314 \| good
2026-01-21T06:00:00.000Z	37 \| good	5.494 \| good	40.431 \| good	15.81 \| good	0.697 \| good	28.86 \| good	0.437 \| good
2026-01-21T07:00:00.000Z	33 \| good	6.135 \| good	32.526 \| good	10.301 \| good	0.76 \| good	35.227 \| good	0.442 \| good
2026-01-21T08:00:00.000Z	44 \| good	8.152 \| good	35.219 \| good	5.75 \| good	0.827 \| good	35.646 \| good	0.466 \| good
2026-01-21T09:00:00.000Z	44 \| good	7.912 \| good	44.163 \| good	5.488 \| good	0.617 \| good	36.671 \| good	0.462 \| good
2026-01-21T10:00:00.000Z	49 \| good	9.39 \| good	51.642 \| good	3.826 \| good	0.568 \| good	36.236 \| good	0.444 \| good
2026-01-21T11:00:00.000Z	52 \| moderate	10.035 \| good	33.537 \| good	4.284 \| good	0.83 \| good	32.89 \| good	0.479 \| good
2026-01-21T12:00:00.000Z	49 \| good	9.209 \| good	34.051 \| good	2.246 \| good	0.931 \| good	32.871 \| good	0.579 \| good
2026-01-21T13:00:00.000Z	44 \| good	8.3 \| good	38.565 \| good	6.536 \| good	0.932 \| good	32.339 \| good	0.628 \| good
2026-01-21T14:00:00.000Z	38 \| good	7.433 \| good	38.17 \| good	4.451 \| good	1.034 \| good	33.389 \| good	0.66 \| good
2026-01-21T15:00:00.000Z	44 \| good	7.734 \| good	32.162 \| good	6.68 \| good	1.523 \| good	27.887 \| good	0.59 \| good
2026-01-21T16:00:00.000Z	44 \| good	8.23 \| good	34.514 \| good	16.616 \| good	0.847 \| good	18.164 \| good	0.448 \| good
2026-01-21T17:00:00.000Z	27 \| good	5.173 \| good	19.893 \| good	19.047 \| good	0.75 \| good	14.634 \| good	0.38 \| good
2026-01-21T18:00:00.000Z	22 \| good	3.82 \| good	14.908 \| good	24.193 \| good	0.676 \| good	7.206 \| good	0.211 \| good
2026-01-21T19:00:00.000Z	27 \| good	4.485 \| good	19.572 \| good	29.2 \| good	0.794 \| good	7.365 \| good	0.174 \| good
2026-01-21T20:00:00.000Z	31 \| good	3.678 \| good	16.698 \| good	34.112 \| good	0.788 \| good	5.902 \| good	0.165 \| good
2026-01-21T21:00:00.000Z	34 \| good	3.898 \| good	18.004 \| good	36.506 \| good	0.811 \| good	6.457 \| good	0.181 \| good
2026-01-21T22:00:00.000Z	35 \| good	3.95 \| good	15.738 \| good	37.596 \| good	0.73 \| good	8.467 \| good	0.198 \| good
2026-01-21T23:00:00.000Z	32 \| good	4.061 \| good	15.332 \| good	35.28 \| good	0.659 \| good	9.021 \| good	0.198 \| good
2026-01-22T00:00:00.000Z	34 \| good	3.599 \| good	14.022 \| good	36.568 \| good	0.536 \| good	13.454 \| good	0.261 \| good
2026-01-22T01:00:00.000Z	32 \| good	3.405 \| good	12.706 \| good	34.891 \| good	0.546 \| good	15.04 \| good	0.294 \| good
2026-01-22T02:00:00.000Z	33 \| good	6.322 \| good	20.097 \| good	35.553 \| good	0.538 \| good	14.351 \| good	0.249 \| good
2026-01-22T03:00:00.000Z	32 \| good	5.042 \| good	23.566 \| good	35.382 \| good	0.545 \| good	8.99 \| good	0.205 \| good
2026-01-22T04:00:00.000Z	44 \| good	8.131 \| good	38.019 \| good	35.405 \| good	0.668 \| good	8.3 \| good	0.187 \| good
2026-01-22T05:00:00.000Z	38 \| good	6.708 \| good	20.381 \| good	32.181 \| good	0.898 \| good	8.31 \| good	0.187 \| good
2026-01-22T06:00:00.000Z	44 \| good	8.009 \| good	37.882 \| good	32.685 \| good	0.931 \| good	7.464 \| good	0.187 \| good
2026-01-22T07:00:00.000Z	44 \| good	8.154 \| good	41.232 \| good	32.081 \| good	0.772 \| good	7.651 \| good	0.187 \| good
2026-01-22T08:00:00.000Z	49 \| good	8.894 \| good	34.43 \| good	32.871 \| good	1.041 \| good	7.596 \| good	0.181 \| good
2026-01-22T09:00:00.000Z	49 \| good	8.997 \| good	41.366 \| good	31.183 \| good	0.917 \| good	7.654 \| good	0.187 \| good
2026-01-22T10:00:00.000Z	54 \| moderate	10.711 \| good	33.293 \| good	28.941 \| good	0.92 \| good	8.652 \| good	0.198 \| good
2026-01-22T11:00:00.000Z	54 \| moderate	11.091 \| good	48.687 \| good	30.25 \| good	0.828 \| good	8.819 \| good	0.242 \| good
2026-01-22T12:00:00.000Z	56 \| moderate	12.374 \| fine	52.58 \| good	28.648 \| good	0.822 \| good	11.35 \| good	0.277 \| good
2026-01-22T13:00:00.000Z	58 \| moderate	13.242 \| fine	56.914 \| fine	26.984 \| good	0.798 \| good	14.858 \| good	0.307 \| good
2026-01-22T14:00:00.000Z	60 \| moderate	14.067 \| fine	45.831 \| good	28.461 \| good	0.856 \| good	22.072 \| good	0.314 \| good
2026-01-22T15:00:00.000Z	71 \| moderate	19.752 \| fine	76.24 \| fine	24.15 \| good	0.833 \| good	25.437 \| good	0.361 \| good
2026-01-22T16:00:00.000Z	58 \| moderate	12.689 \| fine	42.624 \| good	25.848 \| good	0.863 \| good	18.118 \| good	0.319 \| good
2026-01-22T17:00:00.000Z	54 \| moderate	11.077 \| good	36.004 \| good	30.135 \| good	0.788 \| good	13.261 \| good	0.237 \| good
2026-01-22T18:00:00.000Z	58 \| moderate	12.54 \| fine	37.501 \| good	32.672 \| good	0.755 \| good	9.169 \| good	0.193 \| good
2026-01-22T19:00:00.000Z	58 \| moderate	12.789 \| fine	52.421 \| good	35.016 \| good	0.549 \| good	5.821 \| good	0.163 \| good
2026-01-22T20:00:00.000Z	35 \| good	6.19 \| good	23.088 \| good	37.604 \| good	0.527 \| good	5.295 \| good	0.145 \| good
2026-01-22T21:00:00.000Z	36 \| good	5.527 \| good	20.611 \| good	39.285 \| good	0.531 \| good	4.438 \| good	0.145 \| good
2026-01-22T22:00:00.000Z	37 \| good	4.106 \| good	16.114 \| good	39.547 \| good	0.536 \| good	5.877 \| good	0.145 \| good
2026-01-22T23:00:00.000Z	35 \| good	6.209 \| good	19.179 \| good	37.731 \| good	0.559 \| good	7.119 \| good	0.145 \| good
2026-01-23T00:00:00.000Z	38 \| good	7.109 \| good	24.158 \| good	36.765 \| good	0.481 \| good	10.677 \| good	0.145 \| good
2026-01-23T01:00:00.000Z	44 \| good	8.03 \| good	24.593 \| good	36.696 \| good	0.446 \| good	8.748 \| good	0.171 \| good
2026-01-23T02:00:00.000Z	33 \| good	5.598 \| good	24.487 \| good	33.363 \| good	0.552 \| good	10.019 \| good	0.145 \| good
2026-01-23T02:00:00.000Z	33 \| good	5.598 \| good	24.487 \| good	33.363 \| good	0.552 \| good	10.019 \| good	0.145 \| good
2026-01-23T03:00:00.000Z	25 \| good	4.275 \| good	19.025 \| good	25.541 \| good	3.645 \| good	26.955 \| good	0.35 \| good
2026-01-23T04:00:00.000Z	27 \| good	5.044 \| good	21.912 \| good	21.784 \| good	3.517 \| good	25.785 \| good	0.333 \| good
2026-01-23T05:00:00.000Z	33 \| good	6.088 \| good	26.88 \| good	19.338 \| good	3.388 \| good	24.615 \| good	0.317 \| good
2026-01-23T06:00:00.000Z	38 \| good	6.979 \| good	30.874 \| good	15.496 \| good	3.259 \| good	23.445 \| good	0.3 \| good
2026-01-23T07:00:00.000Z	38 \| good	6.937 \| good	30.857 \| good	13.303 \| good	3.231 \| good	20.594 \| good	0.279 \| good
2026-01-23T08:00:00.000Z	38 \| good	6.709 \| good	30.011 \| good	11.643 \| good	3.202 \| good	17.742 \| good	0.259 \| good
2026-01-23T09:00:00.000Z	38 \| good	7.449 \| good	32.875 \| good	10.999 \| good	3.173 \| good	14.891 \| good	0.239 \| good
2026-01-23T10:00:00.000Z	44 \| good	7.686 \| good	33.901 \| good	9.486 \| good	3.474 \| good	17.58 \| good	0.271 \| good
2026-01-23T11:00:00.000Z	44 \| good	8.059 \| good	34.931 \| good	7.789 \| good	3.776 \| good	20.269 \| good	0.304 \| good
2026-01-23T12:00:00.000Z	52 \| moderate	9.508 \| good	42.681 \| good	7.019 \| good	4.077 \| good	22.958 \| good	0.336 \| good
2026-01-23T13:00:00.000Z	54 \| moderate	11 \| good	48.868 \| good	9.422 \| good	3.911 \| good	20.656 \| good	0.336 \| good
2026-01-23T14:00:00.000Z	56 \| moderate	11.685 \| good	51.918 \| good	15.931 \| good	3.745 \| good	18.353 \| good	0.336 \| good
2026-01-23T15:00:00.000Z	54 \| moderate	11.315 \| good	49.836 \| good	21.427 \| good	3.579 \| good	16.051 \| good	0.336 \| good
2026-01-23T16:00:00.000Z	28 \| good	5.465 \| good	23.767 \| good	30.21 \| good	3.349 \| good	11.961 \| good	0.282 \| good
2026-01-23T17:00:00.000Z	33 \| good	3.062 \| good	12.399 \| good	35.531 \| good	3.118 \| good	7.87 \| good	0.229 \| good
2026-01-23T18:00:00.000Z	34 \| good	3.788 \| good	16.291 \| good	37.305 \| good	2.888 \| good	3.78 \| good	0.175 \| good
2026-01-23T19:00:00.000Z	34 \| good	4.005 \| good	17.23 \| good	36.63 \| good	2.99 \| good	4.099 \| good	0.177 \| good
2026-01-23T20:00:00.000Z	35 \| good	4.385 \| good	19.055 \| good	37.533 \| good	3.092 \| good	4.418 \| good	0.18 \| good
2026-01-23T21:00:00.000Z	35 \| good	2.608 \| good	10.82 \| good	37.623 \| good	3.194 \| good	4.737 \| good	0.182 \| good
2026-01-23T22:00:00.000Z	33 \| good	1.301 \| good	5 \| good	36.245 \| good	2.848 \| good	5.084 \| good	0.176 \| good
2026-01-23T23:00:00.000Z	30 \| good	1.937 \| good	8.036 \| good	32.307 \| good	2.501 \| good	5.431 \| good	0.169 \| good
2026-01-24T00:00:00.000Z	29 \| good	1.93 \| good	8.012 \| good	30.574 \| good	2.155 \| good	5.777 \| good	0.163 \| good
2026-01-24T01:00:00.000Z	29 \| good	1.565 \| good	6.206 \| good	30.789 \| good	2.109 \| good	5.39 \| good	0.161 \| good
2026-01-24T02:00:00.000Z	29 \| good	1.367 \| good	5.355 \| good	30.592 \| good	2.063 \| good	5.003 \| good	0.16 \| good
2026-01-24T03:00:00.000Z	27 \| good	2.013 \| good	8.104 \| good	28.994 \| good	2.017 \| good	4.615 \| good	0.158 \| good
2026-01-24T04:00:00.000Z	25 \| good	2.057 \| good	8.21 \| good	27.476 \| good	1.873 \| good	3.902 \| good	0.153 \| good
2026-01-24T05:00:00.000Z	25 \| good	2.648 \| good	10.918 \| good	26.783 \| good	1.729 \| good	3.189 \| good	0.148 \| good
2026-01-24T06:00:00.000Z	23 \| good	2.768 \| good	10.994 \| good	25.07 \| good	1.585 \| good	2.476 \| good	0.142 \| good
2026-01-24T07:00:00.000Z	22 \| good	1.851 \| good	7.887 \| good	24.207 \| good	1.479 \| good	2.324 \| good	0.141 \| good
2026-01-24T08:00:00.000Z	22 \| good	1.333 \| good	5.099 \| good	23.745 \| good	1.373 \| good	2.172 \| good	0.14 \| good
2026-01-24T09:00:00.000Z	21 \| good	1.811 \| good	7.889 \| good	22.867 \| good	1.268 \| good	2.02 \| good	0.139 \| good
2026-01-24T10:00:00.000Z	21 \| good	1.745 \| good	7.062 \| good	22.85 \| good	1.231 \| good	2.46 \| good	0.142 \| good
2026-01-24T11:00:00.000Z	21 \| good	1.706 \| good	6.856 \| good	23.09 \| good	1.194 \| good	2.899 \| good	0.144 \| good
2026-01-24T12:00:00.000Z	21 \| good	2.322 \| good	9.782 \| good	23.298 \| good	1.158 \| good	3.339 \| good	0.146 \| good
2026-01-24T13:00:00.000Z	22 \| good	2.919 \| good	12 \| good	24.038 \| good	1.125 \| good	3.488 \| good	0.149 \| good
2026-01-24T14:00:00.000Z	22 \| good	3.274 \| good	14.154 \| good	24.04 \| good	1.092 \| good	3.637 \| good	0.153 \| good
2026-01-24T15:00:00.000Z	22 \| good	3.021 \| good	12.234 \| good	23.87 \| good	1.059 \| good	3.785 \| good	0.156 \| good
2026-01-24T16:00:00.000Z	22 \| good	2.048 \| good	8.075 \| good	24.22 \| good	1.08 \| good	3.624 \| good	0.155 \| good
2026-01-24T17:00:00.000Z	22 \| good	1.853 \| good	7.799 \| good	24.46 \| good	1.101 \| good	3.463 \| good	0.155 \| good
2026-01-24T18:00:00.000Z	22 \| good	1.969 \| good	7.937 \| good	24.485 \| good	1.121 \| good	3.303 \| good	0.154 \| good
2026-01-24T19:00:00.000Z	23 \| good	2.842 \| good	11.782 \| good	24.891 \| good	1.182 \| good	4.079 \| good	0.156 \| good
2026-01-24T20:00:00.000Z	24 \| good	3.29 \| good	14.655 \| good	25.701 \| good	1.242 \| good	4.856 \| good	0.158 \| good
2026-01-24T21:00:00.000Z	25 \| good	1.145 \| good	4.864 \| good	27.302 \| good	1.303 \| good	5.633 \| good	0.16 \| good
2026-01-24T22:00:00.000Z	24 \| good	1.844 \| good	7.801 \| good	26.327 \| good	1.474 \| good	6.448 \| good	0.164 \| good
2026-01-24T23:00:00.000Z	24 \| good	1.755 \| good	7.03 \| good	26.487 \| good	1.646 \| good	7.263 \| good	0.168 \| good
2026-01-25T00:00:00.000Z	27 \| good	4.999 \| good	5.228 \| good	25.586 \| good	1.817 \| good	8.011 \| good	0.172 \| good
2026-01-25T01:00:00.000Z	22 \| good	2.205 \| good	9.17 \| good	23.578 \| good	2.076 \| good	8.404 \| good	0.174 \| good
2026-01-25T02:00:00.000Z	19 \| good	2.809 \| good	11.849 \| good	20.1 \| good	2.335 \| good	8.73 \| good	0.176 \| good

Fairfax

Empower business decisions with accurate air quality data

Fairfax, Virginia air quality map: Real-time AQI near you

0.18ppm

How accurate is Virginia, USA air quality data?

Air quality measurements for Virginia, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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Check live rankings of places in the USA affected by air pollution.

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Frequently asked questions

How frequently is the air quality data for Fairfax, Virginia updated?

Air quality data for Fairfax, Virginia is updated on an hourly basis.

When did Fairfax, Virginia experience the worst air quality in the last 24 hours?

The worst air quality in Fairfax, Virginia was recorded at 03:00:00 on 2026-01-22.

When did Fairfax, Virginia have its best air quality in the last 24 hours?

The best air quality in Fairfax, Virginia was recorded at 03:00:00 on 2026-01-22.

What is the real-time air quality index for Fairfax, Virginia?

The real-time air quality index in Fairfax, Virginia is 33, currently categorized as Good.

Which pollutant is found most often in Fairfax, Virginia?

The most common pollutant in Fairfax, Virginia is PM2.5.

What can I do if the air quality in Fairfax, Virginia is poor?

If the air quality in Fairfax, Virginia is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Fairfax, Virginia?

The measured PM_2.5 levels in Fairfax, Virginia at present are 5.598 μg/m³.

What are the current PM₁₀ levels at Fairfax, Virginia?

The current PM₁₀ levels in Fairfax, Virginia are 24.487 μg/m³.

What are the current carbon monoxide (CO) levels at Fairfax, Virginia?

The current carbon monoxide (CO) level in Fairfax, Virginia is 0.145 ppm.

What are the current sulfur dioxide (SO₂) levels at Fairfax, Virginia?

The current sulfur dioxide (SO₂) levels in Fairfax, Virginia are 0.552 ppb.

What are the current ozone (O₃) levels at Fairfax, Virginia?

The current ozone (O₃) levels at Fairfax, Virginia is 33.363 ppm.

What are the current nitrogen dioxide (NO₂) levels at Fairfax, Virginia?

The current nitrogen dioxide (NO₂) levels at Fairfax, Virginia is 10.019 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T03:00:00.000Z	33 \| good	5.634 \| good	24.216 \| good	20.823 \| good	3.054 \| good	20.823 \| good	0.25 \| good
2026-01-21T04:00:00.000Z	22 \| good	2.768 \| good	15.192 \| good	24.09 \| good	0.516 \| good	11.28 \| good	0.269 \| good
2026-01-21T05:00:00.000Z	22 \| good	4.154 \| good	16.133 \| good	19.95 \| good	0.665 \| good	15.131 \| good	0.314 \| good
2026-01-21T06:00:00.000Z	37 \| good	5.494 \| good	40.431 \| good	15.81 \| good	0.697 \| good	28.86 \| good	0.437 \| good
2026-01-21T07:00:00.000Z	33 \| good	6.135 \| good	32.526 \| good	10.301 \| good	0.76 \| good	35.227 \| good	0.442 \| good
2026-01-21T08:00:00.000Z	44 \| good	8.152 \| good	35.219 \| good	5.75 \| good	0.827 \| good	35.646 \| good	0.466 \| good
2026-01-21T09:00:00.000Z	44 \| good	7.912 \| good	44.163 \| good	5.488 \| good	0.617 \| good	36.671 \| good	0.462 \| good
2026-01-21T10:00:00.000Z	49 \| good	9.39 \| good	51.642 \| good	3.826 \| good	0.568 \| good	36.236 \| good	0.444 \| good
2026-01-21T11:00:00.000Z	52 \| moderate	10.035 \| good	33.537 \| good	4.284 \| good	0.83 \| good	32.89 \| good	0.479 \| good
2026-01-21T12:00:00.000Z	49 \| good	9.209 \| good	34.051 \| good	2.246 \| good	0.931 \| good	32.871 \| good	0.579 \| good
2026-01-21T13:00:00.000Z	44 \| good	8.3 \| good	38.565 \| good	6.536 \| good	0.932 \| good	32.339 \| good	0.628 \| good
2026-01-21T14:00:00.000Z	38 \| good	7.433 \| good	38.17 \| good	4.451 \| good	1.034 \| good	33.389 \| good	0.66 \| good
2026-01-21T15:00:00.000Z	44 \| good	7.734 \| good	32.162 \| good	6.68 \| good	1.523 \| good	27.887 \| good	0.59 \| good
2026-01-21T16:00:00.000Z	44 \| good	8.23 \| good	34.514 \| good	16.616 \| good	0.847 \| good	18.164 \| good	0.448 \| good
2026-01-21T17:00:00.000Z	27 \| good	5.173 \| good	19.893 \| good	19.047 \| good	0.75 \| good	14.634 \| good	0.38 \| good
2026-01-21T18:00:00.000Z	22 \| good	3.82 \| good	14.908 \| good	24.193 \| good	0.676 \| good	7.206 \| good	0.211 \| good
2026-01-21T19:00:00.000Z	27 \| good	4.485 \| good	19.572 \| good	29.2 \| good	0.794 \| good	7.365 \| good	0.174 \| good
2026-01-21T20:00:00.000Z	31 \| good	3.678 \| good	16.698 \| good	34.112 \| good	0.788 \| good	5.902 \| good	0.165 \| good
2026-01-21T21:00:00.000Z	34 \| good	3.898 \| good	18.004 \| good	36.506 \| good	0.811 \| good	6.457 \| good	0.181 \| good
2026-01-21T22:00:00.000Z	35 \| good	3.95 \| good	15.738 \| good	37.596 \| good	0.73 \| good	8.467 \| good	0.198 \| good
2026-01-21T23:00:00.000Z	32 \| good	4.061 \| good	15.332 \| good	35.28 \| good	0.659 \| good	9.021 \| good	0.198 \| good
2026-01-22T00:00:00.000Z	34 \| good	3.599 \| good	14.022 \| good	36.568 \| good	0.536 \| good	13.454 \| good	0.261 \| good
2026-01-22T01:00:00.000Z	32 \| good	3.405 \| good	12.706 \| good	34.891 \| good	0.546 \| good	15.04 \| good	0.294 \| good
2026-01-22T02:00:00.000Z	33 \| good	6.322 \| good	20.097 \| good	35.553 \| good	0.538 \| good	14.351 \| good	0.249 \| good
2026-01-22T03:00:00.000Z	32 \| good	5.042 \| good	23.566 \| good	35.382 \| good	0.545 \| good	8.99 \| good	0.205 \| good
2026-01-22T04:00:00.000Z	44 \| good	8.131 \| good	38.019 \| good	35.405 \| good	0.668 \| good	8.3 \| good	0.187 \| good
2026-01-22T05:00:00.000Z	38 \| good	6.708 \| good	20.381 \| good	32.181 \| good	0.898 \| good	8.31 \| good	0.187 \| good
2026-01-22T06:00:00.000Z	44 \| good	8.009 \| good	37.882 \| good	32.685 \| good	0.931 \| good	7.464 \| good	0.187 \| good
2026-01-22T07:00:00.000Z	44 \| good	8.154 \| good	41.232 \| good	32.081 \| good	0.772 \| good	7.651 \| good	0.187 \| good
2026-01-22T08:00:00.000Z	49 \| good	8.894 \| good	34.43 \| good	32.871 \| good	1.041 \| good	7.596 \| good	0.181 \| good
2026-01-22T09:00:00.000Z	49 \| good	8.997 \| good	41.366 \| good	31.183 \| good	0.917 \| good	7.654 \| good	0.187 \| good
2026-01-22T10:00:00.000Z	54 \| moderate	10.711 \| good	33.293 \| good	28.941 \| good	0.92 \| good	8.652 \| good	0.198 \| good
2026-01-22T11:00:00.000Z	54 \| moderate	11.091 \| good	48.687 \| good	30.25 \| good	0.828 \| good	8.819 \| good	0.242 \| good
2026-01-22T12:00:00.000Z	56 \| moderate	12.374 \| fine	52.58 \| good	28.648 \| good	0.822 \| good	11.35 \| good	0.277 \| good
2026-01-22T13:00:00.000Z	58 \| moderate	13.242 \| fine	56.914 \| fine	26.984 \| good	0.798 \| good	14.858 \| good	0.307 \| good
2026-01-22T14:00:00.000Z	60 \| moderate	14.067 \| fine	45.831 \| good	28.461 \| good	0.856 \| good	22.072 \| good	0.314 \| good
2026-01-22T15:00:00.000Z	71 \| moderate	19.752 \| fine	76.24 \| fine	24.15 \| good	0.833 \| good	25.437 \| good	0.361 \| good
2026-01-22T16:00:00.000Z	58 \| moderate	12.689 \| fine	42.624 \| good	25.848 \| good	0.863 \| good	18.118 \| good	0.319 \| good
2026-01-22T17:00:00.000Z	54 \| moderate	11.077 \| good	36.004 \| good	30.135 \| good	0.788 \| good	13.261 \| good	0.237 \| good
2026-01-22T18:00:00.000Z	58 \| moderate	12.54 \| fine	37.501 \| good	32.672 \| good	0.755 \| good	9.169 \| good	0.193 \| good
2026-01-22T19:00:00.000Z	58 \| moderate	12.789 \| fine	52.421 \| good	35.016 \| good	0.549 \| good	5.821 \| good	0.163 \| good
2026-01-22T20:00:00.000Z	35 \| good	6.19 \| good	23.088 \| good	37.604 \| good	0.527 \| good	5.295 \| good	0.145 \| good
2026-01-22T21:00:00.000Z	36 \| good	5.527 \| good	20.611 \| good	39.285 \| good	0.531 \| good	4.438 \| good	0.145 \| good
2026-01-22T22:00:00.000Z	37 \| good	4.106 \| good	16.114 \| good	39.547 \| good	0.536 \| good	5.877 \| good	0.145 \| good
2026-01-22T23:00:00.000Z	35 \| good	6.209 \| good	19.179 \| good	37.731 \| good	0.559 \| good	7.119 \| good	0.145 \| good
2026-01-23T00:00:00.000Z	38 \| good	7.109 \| good	24.158 \| good	36.765 \| good	0.481 \| good	10.677 \| good	0.145 \| good
2026-01-23T01:00:00.000Z	44 \| good	8.03 \| good	24.593 \| good	36.696 \| good	0.446 \| good	8.748 \| good	0.171 \| good
2026-01-23T02:00:00.000Z	33 \| good	5.598 \| good	24.487 \| good	33.363 \| good	0.552 \| good	10.019 \| good	0.145 \| good
2026-01-23T02:00:00.000Z	33 \| good	5.598 \| good	24.487 \| good	33.363 \| good	0.552 \| good	10.019 \| good	0.145 \| good
2026-01-23T03:00:00.000Z	25 \| good	4.275 \| good	19.025 \| good	25.541 \| good	3.645 \| good	26.955 \| good	0.35 \| good
2026-01-23T04:00:00.000Z	27 \| good	5.044 \| good	21.912 \| good	21.784 \| good	3.517 \| good	25.785 \| good	0.333 \| good
2026-01-23T05:00:00.000Z	33 \| good	6.088 \| good	26.88 \| good	19.338 \| good	3.388 \| good	24.615 \| good	0.317 \| good
2026-01-23T06:00:00.000Z	38 \| good	6.979 \| good	30.874 \| good	15.496 \| good	3.259 \| good	23.445 \| good	0.3 \| good
2026-01-23T07:00:00.000Z	38 \| good	6.937 \| good	30.857 \| good	13.303 \| good	3.231 \| good	20.594 \| good	0.279 \| good
2026-01-23T08:00:00.000Z	38 \| good	6.709 \| good	30.011 \| good	11.643 \| good	3.202 \| good	17.742 \| good	0.259 \| good
2026-01-23T09:00:00.000Z	38 \| good	7.449 \| good	32.875 \| good	10.999 \| good	3.173 \| good	14.891 \| good	0.239 \| good
2026-01-23T10:00:00.000Z	44 \| good	7.686 \| good	33.901 \| good	9.486 \| good	3.474 \| good	17.58 \| good	0.271 \| good
2026-01-23T11:00:00.000Z	44 \| good	8.059 \| good	34.931 \| good	7.789 \| good	3.776 \| good	20.269 \| good	0.304 \| good
2026-01-23T12:00:00.000Z	52 \| moderate	9.508 \| good	42.681 \| good	7.019 \| good	4.077 \| good	22.958 \| good	0.336 \| good
2026-01-23T13:00:00.000Z	54 \| moderate	11 \| good	48.868 \| good	9.422 \| good	3.911 \| good	20.656 \| good	0.336 \| good
2026-01-23T14:00:00.000Z	56 \| moderate	11.685 \| good	51.918 \| good	15.931 \| good	3.745 \| good	18.353 \| good	0.336 \| good
2026-01-23T15:00:00.000Z	54 \| moderate	11.315 \| good	49.836 \| good	21.427 \| good	3.579 \| good	16.051 \| good	0.336 \| good
2026-01-23T16:00:00.000Z	28 \| good	5.465 \| good	23.767 \| good	30.21 \| good	3.349 \| good	11.961 \| good	0.282 \| good
2026-01-23T17:00:00.000Z	33 \| good	3.062 \| good	12.399 \| good	35.531 \| good	3.118 \| good	7.87 \| good	0.229 \| good
2026-01-23T18:00:00.000Z	34 \| good	3.788 \| good	16.291 \| good	37.305 \| good	2.888 \| good	3.78 \| good	0.175 \| good
2026-01-23T19:00:00.000Z	34 \| good	4.005 \| good	17.23 \| good	36.63 \| good	2.99 \| good	4.099 \| good	0.177 \| good
2026-01-23T20:00:00.000Z	35 \| good	4.385 \| good	19.055 \| good	37.533 \| good	3.092 \| good	4.418 \| good	0.18 \| good
2026-01-23T21:00:00.000Z	35 \| good	2.608 \| good	10.82 \| good	37.623 \| good	3.194 \| good	4.737 \| good	0.182 \| good
2026-01-23T22:00:00.000Z	33 \| good	1.301 \| good	5 \| good	36.245 \| good	2.848 \| good	5.084 \| good	0.176 \| good
2026-01-23T23:00:00.000Z	30 \| good	1.937 \| good	8.036 \| good	32.307 \| good	2.501 \| good	5.431 \| good	0.169 \| good
2026-01-24T00:00:00.000Z	29 \| good	1.93 \| good	8.012 \| good	30.574 \| good	2.155 \| good	5.777 \| good	0.163 \| good
2026-01-24T01:00:00.000Z	29 \| good	1.565 \| good	6.206 \| good	30.789 \| good	2.109 \| good	5.39 \| good	0.161 \| good
2026-01-24T02:00:00.000Z	29 \| good	1.367 \| good	5.355 \| good	30.592 \| good	2.063 \| good	5.003 \| good	0.16 \| good
2026-01-24T03:00:00.000Z	27 \| good	2.013 \| good	8.104 \| good	28.994 \| good	2.017 \| good	4.615 \| good	0.158 \| good
2026-01-24T04:00:00.000Z	25 \| good	2.057 \| good	8.21 \| good	27.476 \| good	1.873 \| good	3.902 \| good	0.153 \| good
2026-01-24T05:00:00.000Z	25 \| good	2.648 \| good	10.918 \| good	26.783 \| good	1.729 \| good	3.189 \| good	0.148 \| good
2026-01-24T06:00:00.000Z	23 \| good	2.768 \| good	10.994 \| good	25.07 \| good	1.585 \| good	2.476 \| good	0.142 \| good
2026-01-24T07:00:00.000Z	22 \| good	1.851 \| good	7.887 \| good	24.207 \| good	1.479 \| good	2.324 \| good	0.141 \| good
2026-01-24T08:00:00.000Z	22 \| good	1.333 \| good	5.099 \| good	23.745 \| good	1.373 \| good	2.172 \| good	0.14 \| good
2026-01-24T09:00:00.000Z	21 \| good	1.811 \| good	7.889 \| good	22.867 \| good	1.268 \| good	2.02 \| good	0.139 \| good
2026-01-24T10:00:00.000Z	21 \| good	1.745 \| good	7.062 \| good	22.85 \| good	1.231 \| good	2.46 \| good	0.142 \| good
2026-01-24T11:00:00.000Z	21 \| good	1.706 \| good	6.856 \| good	23.09 \| good	1.194 \| good	2.899 \| good	0.144 \| good
2026-01-24T12:00:00.000Z	21 \| good	2.322 \| good	9.782 \| good	23.298 \| good	1.158 \| good	3.339 \| good	0.146 \| good
2026-01-24T13:00:00.000Z	22 \| good	2.919 \| good	12 \| good	24.038 \| good	1.125 \| good	3.488 \| good	0.149 \| good
2026-01-24T14:00:00.000Z	22 \| good	3.274 \| good	14.154 \| good	24.04 \| good	1.092 \| good	3.637 \| good	0.153 \| good
2026-01-24T15:00:00.000Z	22 \| good	3.021 \| good	12.234 \| good	23.87 \| good	1.059 \| good	3.785 \| good	0.156 \| good
2026-01-24T16:00:00.000Z	22 \| good	2.048 \| good	8.075 \| good	24.22 \| good	1.08 \| good	3.624 \| good	0.155 \| good
2026-01-24T17:00:00.000Z	22 \| good	1.853 \| good	7.799 \| good	24.46 \| good	1.101 \| good	3.463 \| good	0.155 \| good
2026-01-24T18:00:00.000Z	22 \| good	1.969 \| good	7.937 \| good	24.485 \| good	1.121 \| good	3.303 \| good	0.154 \| good
2026-01-24T19:00:00.000Z	23 \| good	2.842 \| good	11.782 \| good	24.891 \| good	1.182 \| good	4.079 \| good	0.156 \| good
2026-01-24T20:00:00.000Z	24 \| good	3.29 \| good	14.655 \| good	25.701 \| good	1.242 \| good	4.856 \| good	0.158 \| good
2026-01-24T21:00:00.000Z	25 \| good	1.145 \| good	4.864 \| good	27.302 \| good	1.303 \| good	5.633 \| good	0.16 \| good
2026-01-24T22:00:00.000Z	24 \| good	1.844 \| good	7.801 \| good	26.327 \| good	1.474 \| good	6.448 \| good	0.164 \| good
2026-01-24T23:00:00.000Z	24 \| good	1.755 \| good	7.03 \| good	26.487 \| good	1.646 \| good	7.263 \| good	0.168 \| good
2026-01-25T00:00:00.000Z	27 \| good	4.999 \| good	5.228 \| good	25.586 \| good	1.817 \| good	8.011 \| good	0.172 \| good
2026-01-25T01:00:00.000Z	22 \| good	2.205 \| good	9.17 \| good	23.578 \| good	2.076 \| good	8.404 \| good	0.174 \| good
2026-01-25T02:00:00.000Z	19 \| good	2.809 \| good	11.849 \| good	20.1 \| good	2.335 \| good	8.73 \| good	0.176 \| good

Real-time air quality index in Fairfax, Virginia today

Common air pollutants in Fairfax, Virginia

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Fairfax, Virginia air quality forecast and history

Empower business decisions with accurate air quality data

Fairfax, Virginia air quality map: Real-time AQI near you

Air quality in nearby cities

Kings Park West, Virginia

Oakton, Virginia

Fair Oaks, Virginia

Fairfax Station, Virginia

Difficult Run, Virginia

Burke, Virginia

How accurate is Virginia, USA air quality data?

Air quality levels in US

Frequently asked questions

How frequently is the air quality data for Fairfax, Virginia updated?

When did Fairfax, Virginia experience the worst air quality in the last 24 hours?

When did Fairfax, Virginia have its best air quality in the last 24 hours?

What is the real-time air quality index for Fairfax, Virginia?

Which pollutant is found most often in Fairfax, Virginia?

What can I do if the air quality in Fairfax, Virginia is poor?

What are the current PM2.5 levels in Fairfax, Virginia?

What are the current PM10 levels at Fairfax, Virginia?

What are the current carbon monoxide (CO) levels at Fairfax, Virginia?

What are the current sulfur dioxide (SO2) levels at Fairfax, Virginia?

What are the current ozone (O3) levels at Fairfax, Virginia?

What are the current nitrogen dioxide (NO2) levels at Fairfax, Virginia?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What are the current PM_2.5 levels in Fairfax, Virginia?

What are the current PM₁₀ levels at Fairfax, Virginia?

What are the current sulfur dioxide (SO₂) levels at Fairfax, Virginia?

What are the current ozone (O₃) levels at Fairfax, Virginia?

What are the current nitrogen dioxide (NO₂) levels at Fairfax, Virginia?