What is the current concentration of PM10 in Lacey, Washington?

The current PM10 concentration at Lacey, Washington is 3.047 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Lacey, Washington?

The current sulfur dioxide (SO2) concentration at Lacey, Washington is 0.1 ppb.

What is the current concentration of ozone (O3) in Lacey, Washington?

The current ozone (O3) concentration at Lacey, Washington is 27.829 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Lacey, Washington?

The current nitrogen dioxide (NO2) concentration at Lacey, Washington is 5.022 ppb.

Lacey, Washington live air quality index now

Q: What is the current concentration of PM2.5 in Lacey, Washington?

The current PM2.5 concentration at Lacey, Washington is 0.709 μg/m3.

Stay updated with real-time air quality in Lacey, Washington 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

Lacey, Washington

Last updated: ... (Local time)

Major air pollutants in Lacey, Washington

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

0.43 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

2.13 μg/m³

155

255

425

605+

Ozone (O₃)

30.40 ppb

201

201+

Sulfur Dioxide (SO₂)

0.24 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.65 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.13 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Lacey, Washington

Scroll To Air Quality Map

Track live Lacey, Washington air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-20T12:00:00.000Z	38 \| good	6.981 \| good	30.7 \| good	21.897 \| good	0.328 \| good	6.292 \| good	0.131 \| good
2026-04-20T13:00:00.000Z	38 \| good	6.957 \| good	30.564 \| good	19.065 \| good	0.329 \| good	7.106 \| good	0.131 \| good
2026-04-20T14:00:00.000Z	27 \| good	4.99 \| good	21.563 \| good	13.418 \| good	0.354 \| good	9.993 \| good	0.147 \| good
2026-04-20T15:00:00.000Z	27 \| good	5.278 \| good	22.961 \| good	17.921 \| good	0.147 \| good	14.521 \| good	0.219 \| good
2026-04-20T16:00:00.000Z	33 \| good	6.335 \| good	28.233 \| good	14.535 \| good	0.231 \| good	13.717 \| good	0.2 \| good
2026-04-20T17:00:00.000Z	33 \| good	6.031 \| good	26.664 \| good	19.677 \| good	0.214 \| good	11.16 \| good	0.186 \| good
2026-04-20T18:00:00.000Z	38 \| good	6.818 \| good	30.163 \| good	25.622 \| good	0.241 \| good	9.6 \| good	0.172 \| good
2026-04-20T19:00:00.000Z	33 \| good	5.995 \| good	26.916 \| good	27.567 \| good	0.213 \| good	11.146 \| good	0.189 \| good
2026-04-20T20:00:00.000Z	27 \| good	5.326 \| good	23.117 \| good	28.129 \| good	0.253 \| good	13.694 \| good	0.206 \| good
2026-04-20T21:00:00.000Z	31 \| good	2.861 \| good	11.71 \| good	34.298 \| good	0.333 \| good	12.541 \| good	0.202 \| good
2026-04-20T22:00:00.000Z	41 \| good	2.444 \| good	10.494 \| good	44.079 \| good	0.37 \| good	7.053 \| good	0.184 \| good
2026-04-20T23:00:00.000Z	44 \| good	1.862 \| good	7.706 \| good	48.095 \| good	0.75 \| good	4.344 \| good	0.167 \| good
2026-04-21T00:00:00.000Z	40 \| good	2.743 \| good	11.227 \| good	42.508 \| good	0.585 \| good	5.888 \| good	0.167 \| good
2026-04-21T01:00:00.000Z	39 \| good	0.97 \| good	4.473 \| good	41.737 \| good	0.363 \| good	6.09 \| good	0.154 \| good
2026-04-21T02:00:00.000Z	35 \| good	1.624 \| good	6.868 \| good	38.422 \| good	0.186 \| good	6.881 \| good	0.154 \| good
2026-04-21T03:00:00.000Z	31 \| good	1.843 \| good	7.641 \| good	34.349 \| good	0.382 \| good	8.194 \| good	0.134 \| good
2026-04-21T04:00:00.000Z	29 \| good	3.21 \| good	13.955 \| good	31.096 \| good	1.18 \| good	11.476 \| good	0.207 \| good
2026-04-21T05:00:00.000Z	31 \| good	4.269 \| good	18.836 \| good	34.264 \| good	0.293 \| good	9.103 \| good	0.207 \| good
2026-04-21T06:00:00.000Z	31 \| good	3.699 \| good	16.459 \| good	33.143 \| good	0.428 \| good	8.205 \| good	0.202 \| good
2026-04-21T07:00:00.000Z	22 \| good	3.72 \| good	16.528 \| good	23.388 \| good	0.421 \| good	8.212 \| good	0.202 \| good
2026-04-21T08:00:00.000Z	22 \| good	3.901 \| good	17.083 \| good	17.405 \| good	0.459 \| good	7.18 \| good	0.203 \| good
2026-04-21T09:00:00.000Z	19 \| good	1.829 \| good	7.967 \| good	21.051 \| good	0.691 \| good	5.543 \| good	0.186 \| good
2026-04-21T10:00:00.000Z	25 \| good	1.973 \| good	8.255 \| good	27.382 \| good	0.499 \| good	6.689 \| good	0.169 \| good
2026-04-21T11:00:00.000Z	22 \| good	2.507 \| good	10.879 \| good	23.621 \| good	0.55 \| good	6.612 \| good	0.131 \| good
2026-04-21T12:00:00.000Z	23 \| good	3.918 \| good	17.564 \| good	25.108 \| good	0.288 \| good	10.527 \| good	0.132 \| good
2026-04-21T13:00:00.000Z	22 \| good	3.925 \| good	17.564 \| good	21.663 \| good	0.354 \| good	10.425 \| good	0.132 \| good
2026-04-21T14:00:00.000Z	22 \| good	3.999 \| good	17.981 \| good	19.387 \| good	0.251 \| good	15.034 \| good	0.184 \| good
2026-04-21T15:00:00.000Z	27 \| good	4.971 \| good	22.032 \| good	24.489 \| good	0.321 \| good	16.808 \| good	0.222 \| good
2026-04-21T16:00:00.000Z	27 \| good	4.509 \| good	20.126 \| good	21.463 \| good	0.378 \| good	12.458 \| good	0.164 \| good
2026-04-21T17:00:00.000Z	21 \| good	3.213 \| good	14.009 \| good	22.827 \| good	0.367 \| good	12.36 \| good	0.148 \| good
2026-04-21T18:00:00.000Z	24 \| good	2.038 \| good	8.619 \| good	26.439 \| good	0.227 \| good	8.443 \| good	0.185 \| good
2026-04-21T19:00:00.000Z	24 \| good	1.813 \| good	7.887 \| good	26.175 \| good	0.214 \| good	8.073 \| good	0.148 \| good
2026-04-21T20:00:00.000Z	26 \| good	1.738 \| good	7.112 \| good	27.97 \| good	0.317 \| good	8.348 \| good	0.135 \| good
2026-04-21T21:00:00.000Z	27 \| good	2.642 \| good	11.286 \| good	29.35 \| good	0.343 \| good	8.004 \| good	0.135 \| good
2026-04-21T22:00:00.000Z	29 \| good	1.208 \| good	5.295 \| good	30.705 \| good	0.164 \| good	7.811 \| good	0.153 \| good
2026-04-21T23:00:00.000Z	31 \| good	0.75 \| good	3.109 \| good	32.812 \| good	0.194 \| good	7.987 \| good	0.151 \| good
2026-04-22T00:00:00.000Z	28 \| good	3.496 \| good	13.128 \| good	29.589 \| good	0.323 \| good	8.957 \| good	0.151 \| good
2026-04-22T01:00:00.000Z	27 \| good	0.719 \| good	2.955 \| good	28.721 \| good	0.35 \| good	9.161 \| good	0.151 \| good
2026-04-22T02:00:00.000Z	26 \| good	1.048 \| good	4.181 \| good	28.43 \| good	0.2 \| good	6.42 \| good	0.152 \| good
2026-04-22T03:00:00.000Z	25 \| good	1.209 \| good	5.035 \| good	27.388 \| good	0.157 \| good	5.961 \| good	0.152 \| good
2026-04-22T04:00:00.000Z	26 \| good	0.786 \| good	3.325 \| good	27.828 \| good	0.141 \| good	5.492 \| good	0.152 \| good
2026-04-22T05:00:00.000Z	28 \| good	0.411 \| good	1.487 \| good	29.594 \| good	0.155 \| good	4.984 \| good	0.17 \| good
2026-04-22T06:00:00.000Z	27 \| good	0.386 \| good	1.419 \| good	29.401 \| good	0.155 \| good	4.955 \| good	0.17 \| good
2026-04-22T07:00:00.000Z	27 \| good	1.69 \| good	7.747 \| good	29.343 \| good	0.1 \| good	5.027 \| good	0.152 \| good
2026-04-22T08:00:00.000Z	26 \| good	0.722 \| good	3.09 \| good	27.87 \| good	0.1 \| good	4.954 \| good	0.152 \| good
2026-04-22T09:00:00.000Z	29 \| good	0.547 \| good	2.542 \| good	31.115 \| good	0.1 \| good	5.073 \| good	0.134 \| good
2026-04-22T10:00:00.000Z	28 \| good	0.518 \| good	2.486 \| good	30.096 \| good	0.247 \| good	4.652 \| good	0.134 \| good
2026-04-22T11:00:00.000Z	28 \| good	0.43 \| good	2.128 \| good	30.4 \| good	0.243 \| good	4.652 \| good	0.134 \| good
2026-04-22T10:00:00.000Z	31 \| good	1.116 \| good	4.842 \| good	33.919 \| good	0.198 \| good	1.056 \| good	0.119 \| good
2026-04-22T11:00:00.000Z	31 \| good	1.132 \| good	4.842 \| good	33.856 \| good	0.191 \| good	0.915 \| good	0.116 \| good
2026-04-22T12:00:00.000Z	30 \| good	1.194 \| good	4.942 \| good	31.541 \| good	0.183 \| good	0.775 \| good	0.114 \| good
2026-04-22T13:00:00.000Z	30 \| good	1.363 \| good	5.451 \| good	32.046 \| good	0.191 \| good	0.894 \| good	0.117 \| good
2026-04-22T14:00:00.000Z	31 \| good	1.537 \| good	5.998 \| good	33.119 \| good	0.199 \| good	1.013 \| good	0.12 \| good
2026-04-22T15:00:00.000Z	31 \| good	1.855 \| good	7.444 \| good	33.082 \| good	0.207 \| good	1.132 \| good	0.123 \| good
2026-04-22T16:00:00.000Z	29 \| good	2.034 \| good	8.89 \| good	31.276 \| good	0.22 \| good	1.162 \| good	0.127 \| good
2026-04-22T17:00:00.000Z	27 \| good	2.572 \| good	11.263 \| good	28.504 \| good	0.233 \| good	1.192 \| good	0.131 \| good
2026-04-22T18:00:00.000Z	26 \| good	3.08 \| good	13.049 \| good	28.143 \| good	0.247 \| good	1.222 \| good	0.135 \| good
2026-04-22T19:00:00.000Z	28 \| good	3.017 \| good	13.113 \| good	29.688 \| good	0.229 \| good	1.025 \| good	0.134 \| good
2026-04-22T20:00:00.000Z	30 \| good	2.77 \| good	11.892 \| good	31.642 \| good	0.211 \| good	0.827 \| good	0.134 \| good
2026-04-22T21:00:00.000Z	31 \| good	2.565 \| good	10.968 \| good	32.655 \| good	0.193 \| good	0.629 \| good	0.133 \| good
2026-04-22T22:00:00.000Z	31 \| good	2.613 \| good	11.077 \| good	32.987 \| good	0.191 \| good	0.685 \| good	0.134 \| good
2026-04-22T23:00:00.000Z	31 \| good	2.654 \| good	11.135 \| good	33.862 \| good	0.188 \| good	0.741 \| good	0.135 \| good
2026-04-23T00:00:00.000Z	32 \| good	3.833 \| good	16.102 \| good	34.888 \| good	0.185 \| good	0.797 \| good	0.135 \| good
2026-04-23T01:00:00.000Z	32 \| good	2.828 \| good	12.128 \| good	34.505 \| good	0.181 \| good	1.054 \| good	0.138 \| good
2026-04-23T02:00:00.000Z	31 \| good	3.322 \| good	14.024 \| good	33.544 \| good	0.178 \| good	1.31 \| good	0.141 \| good
2026-04-23T03:00:00.000Z	38 \| good	7.27 \| good	31.502 \| good	27.978 \| good	0.174 \| good	1.567 \| good	0.143 \| good
2026-04-23T04:00:00.000Z	28 \| good	3.461 \| good	14.638 \| good	30.165 \| good	0.189 \| good	1.518 \| good	0.143 \| good
2026-04-23T05:00:00.000Z	28 \| good	5.173 \| good	22.456 \| good	29.759 \| good	0.204 \| good	1.468 \| good	0.143 \| good
2026-04-23T06:00:00.000Z	28 \| good	3.354 \| good	14.153 \| good	29.611 \| good	0.219 \| good	1.418 \| good	0.142 \| good
2026-04-23T07:00:00.000Z	27 \| good	3.379 \| good	14.262 \| good	28.861 \| good	0.223 \| good	1.346 \| good	0.142 \| good
2026-04-23T08:00:00.000Z	27 \| good	3.13 \| good	13.132 \| good	28.788 \| good	0.227 \| good	1.274 \| good	0.141 \| good
2026-04-23T09:00:00.000Z	27 \| good	3.875 \| good	16.339 \| good	29.014 \| good	0.232 \| good	1.202 \| good	0.14 \| good
2026-04-23T10:00:00.000Z	26 \| good	3.421 \| good	14.583 \| good	28.304 \| good	0.238 \| good	1.215 \| good	0.14 \| good
2026-04-23T11:00:00.000Z	27 \| good	4.185 \| good	17.857 \| good	29.357 \| good	0.245 \| good	1.229 \| good	0.139 \| good
2026-04-23T12:00:00.000Z	28 \| good	4.009 \| good	17.167 \| good	29.655 \| good	0.251 \| good	1.242 \| good	0.139 \| good
2026-04-23T13:00:00.000Z	26 \| good	3.344 \| good	14.37 \| good	27.758 \| good	0.255 \| good	1.308 \| good	0.14 \| good
2026-04-23T14:00:00.000Z	25 \| good	3.448 \| good	14.499 \| good	27.076 \| good	0.258 \| good	1.374 \| good	0.14 \| good
2026-04-23T15:00:00.000Z	24 \| good	3.162 \| good	13.424 \| good	25.698 \| good	0.262 \| good	1.439 \| good	0.141 \| good
2026-04-23T16:00:00.000Z	24 \| good	3.625 \| good	15.339 \| good	25.664 \| good	0.234 \| good	1.351 \| good	0.14 \| good
2026-04-23T17:00:00.000Z	26 \| good	4.293 \| good	18.24 \| good	27.884 \| good	0.206 \| good	1.262 \| good	0.139 \| good
2026-04-23T18:00:00.000Z	27 \| good	5.007 \| good	22.237 \| good	29.09 \| good	0.178 \| good	1.174 \| good	0.138 \| good
2026-04-23T19:00:00.000Z	28 \| good	3.903 \| good	17.323 \| good	30.395 \| good	0.172 \| good	1.108 \| good	0.137 \| good
2026-04-23T20:00:00.000Z	28 \| good	4.324 \| good	18.625 \| good	30.345 \| good	0.166 \| good	1.042 \| good	0.136 \| good
2026-04-23T21:00:00.000Z	30 \| good	4.538 \| good	19.934 \| good	31.972 \| good	0.16 \| good	0.976 \| good	0.135 \| good
2026-04-23T22:00:00.000Z	31 \| good	4.758 \| good	20.898 \| good	34.104 \| good	0.158 \| good	1.004 \| good	0.135 \| good
2026-04-23T23:00:00.000Z	31 \| good	3.637 \| good	15.851 \| good	34.061 \| good	0.157 \| good	1.031 \| good	0.134 \| good
2026-04-24T00:00:00.000Z	33 \| good	5.566 \| good	24.353 \| good	30.967 \| good	0.155 \| good	1.058 \| good	0.134 \| good
2026-04-24T01:00:00.000Z	27 \| good	4.791 \| good	20.879 \| good	26.692 \| good	0.198 \| good	2.531 \| good	0.148 \| good
2026-04-24T02:00:00.000Z	38 \| good	6.872 \| good	30.202 \| good	23.966 \| good	0.242 \| good	4.003 \| good	0.161 \| good
2026-04-24T03:00:00.000Z	49 \| good	8.957 \| good	39.647 \| good	21.724 \| good	0.285 \| good	5.476 \| good	0.175 \| good
2026-04-24T04:00:00.000Z	33 \| good	6.495 \| good	28.365 \| good	23.325 \| good	0.359 \| good	6.654 \| good	0.184 \| good
2026-04-24T05:00:00.000Z	49 \| good	9.284 \| good	41.345 \| good	24.028 \| good	0.433 \| good	7.832 \| good	0.194 \| good
2026-04-24T06:00:00.000Z	49 \| good	8.97 \| good	11.953 \| good	24.493 \| good	0.51 \| good	9.119 \| good	0.204 \| good
2026-04-24T07:00:00.000Z	44 \| good	7.505 \| good	33.071 \| good	19.506 \| good	0.507 \| good	9.294 \| good	0.208 \| good
2026-04-24T08:00:00.000Z	44 \| good	7.589 \| good	33.223 \| good	17.763 \| good	0.507 \| good	9.578 \| good	0.213 \| good
2026-04-24T09:00:00.000Z	44 \| good	8.333 \| good	36.439 \| good	16.794 \| good	0.507 \| good	9.862 \| good	0.218 \| good

Lacey

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Lacey, Washington air quality map: Track AQI near you

0.15ppm

How accurate is Washington, USA air quality data?

Air quality data and pollutant measurements for Washington, 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 Lacey, Washington updated?

The air quality for Lacey, Washington is updated every hour.

When was the worst air quality at Lacey, Washington in the last 24 hrs?

The worst air quality in Lacey, Washington in the last 24 hours was observed at 11:00:00 on 2026-04-21.

When was the best air quality at Lacey, Washington in the last 24 hrs?

In the last 24 hrs, the best air quality in Lacey, Washington was observed at 09:00:00 on 2026-04-21.

What is the current air quality in Lacey, Washington?

The current air quality in Lacey, Washington is 26, categorized as Good based on real-time data.

What pollutant is the most common in Lacey, Washington?

The most common pollutant in Lacey, Washington is O3.

What should I do if the air quality in Lacey, Washington is poor?

If the air quality in Lacey, Washington is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Lacey, Washington?

The current PM_2.5 concentration at Lacey, Washington is 0.709 μg/m³.

What is the current concentration of PM₁₀ in Lacey, Washington?

The current PM₁₀ concentration at Lacey, Washington is 3.047 μg/m³.

What is the current concentration of carbon monoxide (CO) in Lacey, Washington?

The current carbon monoxide (CO) concentration at Lacey, Washington is 0.152 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Lacey, Washington?

The current sulfur dioxide (SO₂) concentration at Lacey, Washington is 0.1 ppb.

What is the current concentration of ozone (O₃) in Lacey, Washington?

The current ozone (O₃) concentration at Lacey, Washington is 27.829 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Lacey, Washington?

The current nitrogen dioxide (NO₂) concentration at Lacey, Washington is 5.022 ppb.

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