What is the current level of PM10 in Sammamish, Washington?

Sammamish, Washington currently has a PM10 concentration of 21.271 μg/m3.

What is the current level of sulfur dioxide (SO2) in Sammamish, Washington?

The current sulfur dioxide (SO2) concentration in Sammamish, Washington is 0.453 ppb.

What is the current level of ozone (O3) in Sammamish, Washington?

Sammamish, Washington currently has an ozone (O3) concentration of 18.668 ppm.

What is the current level of nitrogen dioxide (NO2) in Sammamish, Washington?

The current level of nitrogen dioxide (NO2) in Sammamish, Washington is 4.312 ppb.

Current air quality index in Sammamish, Washington today

Q: What is the PM2.5 concentration in Sammamish, Washington right now?

Sammamish, Washington currently has a PM2.5 concentration of 3.123 μg/m3.

Stay updated with real-time air quality in Sammamish, 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

Sammamish, Washington

Last updated: ... (Local time)

Common air pollutants in Sammamish, Washington

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.12 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

21.27 μg/m³

155

255

425

605+

Ozone (O₃)

18.67 ppb

201

201+

Sulfur Dioxide (SO₂)

0.45 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.31 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.12 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Sammamish, Washington

Get Live Pollen Counts

Sammamish, Washington

Scroll To Air Quality Map

Track live Sammamish, Washington air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-05T12:00:00.000Z	22 \| good	3.867 \| good	17.906 \| good	1.133 \| good	0.51 \| good	8.152 \| good	0.24 \| good
2026-09-05T13:00:00.000Z	22 \| good	3.582 \| good	14.109 \| good	1.205 \| good	0.505 \| good	8.718 \| good	0.24 \| good
2026-09-05T14:00:00.000Z	16 \| good	3.059 \| good	12.533 \| good	1.202 \| good	0.402 \| good	8.143 \| good	0.206 \| good
2026-09-05T15:00:00.000Z	22 \| good	4.448 \| good	16.41 \| good	4.087 \| good	0.463 \| good	7.562 \| good	0.322 \| good
2026-09-05T16:00:00.000Z	22 \| good	3.856 \| good	15.97 \| good	7.035 \| good	0.412 \| good	7.026 \| good	0.322 \| good
2026-09-05T17:00:00.000Z	22 \| good	3.914 \| good	14.775 \| good	9.031 \| good	0.886 \| good	3.829 \| good	0.308 \| good
2026-09-05T18:00:00.000Z	16 \| good	3.112 \| good	13.451 \| good	9.054 \| good	0.415 \| good	2.205 \| good	0.274 \| good
2026-09-05T19:00:00.000Z	22 \| good	3.897 \| good	16.879 \| good	12.179 \| good	0.389 \| good	3.488 \| good	0.274 \| good
2026-09-05T20:00:00.000Z	34 \| good	4.316 \| good	36.842 \| good	13.21 \| good	0.488 \| good	3.8 \| good	0.274 \| good
2026-09-05T21:00:00.000Z	31 \| good	4.015 \| good	33.212 \| good	15.186 \| good	0.446 \| good	6.041 \| good	0.268 \| good
2026-09-05T22:00:00.000Z	22 \| good	3.587 \| good	18.889 \| good	17.167 \| good	0.456 \| good	7.025 \| good	0.274 \| good
2026-09-05T23:00:00.000Z	22 \| good	3.971 \| good	14.623 \| good	23.1 \| good	0.461 \| good	6.558 \| good	0.234 \| good
2026-09-06T00:00:00.000Z	22 \| good	3.988 \| good	15.592 \| good	24.165 \| good	0.545 \| good	6.855 \| good	0.24 \| good
2026-09-06T01:00:00.000Z	22 \| good	3.46 \| good	12.235 \| good	24.079 \| good	0.501 \| good	8.66 \| good	0.303 \| good
2026-09-06T02:00:00.000Z	21 \| good	3.186 \| good	16.265 \| good	23.068 \| good	0.449 \| good	7.646 \| good	0.268 \| good
2026-09-06T03:00:00.000Z	44 \| good	8.343 \| good	36.674 \| good	25.124 \| good	0.299 \| good	3.987 \| good	0.212 \| good
2026-09-06T04:00:00.000Z	22 \| good	4.431 \| good	16.099 \| good	14.209 \| good	0.401 \| good	6.366 \| good	0.234 \| good
2026-09-06T05:00:00.000Z	27 \| good	5.013 \| good	16.659 \| good	10.272 \| good	0.452 \| good	13.895 \| good	0.205 \| good
2026-09-06T06:00:00.000Z	27 \| good	5.255 \| good	13.908 \| good	10.16 \| good	0.531 \| good	16.506 \| good	0.206 \| good
2026-09-06T07:00:00.000Z	33 \| good	5.767 \| good	18.886 \| good	10.23 \| good	0.52 \| good	15.801 \| good	0.206 \| good
2026-09-06T08:00:00.000Z	33 \| good	6.177 \| good	22.752 \| good	4.229 \| good	0.409 \| good	10.402 \| good	0.2 \| good
2026-09-06T09:00:00.000Z	38 \| good	6.731 \| good	25.667 \| good	4.22 \| good	0.353 \| good	11.642 \| good	0.2 \| good
2026-09-06T10:00:00.000Z	33 \| good	6.468 \| good	28.967 \| good	1.322 \| good	0.365 \| good	15.516 \| good	0.2 \| good
2026-09-06T11:00:00.000Z	38 \| good	6.683 \| good	31.443 \| good	10.908 \| good	0.355 \| good	15.081 \| good	0.2 \| good
2026-09-06T12:00:00.000Z	22 \| good	4.321 \| good	18.356 \| good	6.844 \| good	0.321 \| good	9.808 \| good	0.166 \| good
2026-09-06T13:00:00.000Z	33 \| good	5.776 \| good	15.055 \| good	10.243 \| good	0.324 \| good	9.753 \| good	0.166 \| good
2026-09-06T14:00:00.000Z	33 \| good	6.04 \| good	21.844 \| good	1.159 \| good	0.289 \| good	6.838 \| good	0.2 \| good
2026-09-06T15:00:00.000Z	27 \| good	4.909 \| good	17.02 \| good	4.139 \| good	0.305 \| good	9.973 \| good	0.259 \| good
2026-09-06T16:00:00.000Z	33 \| good	5.939 \| good	21.277 \| good	6.185 \| good	0.347 \| good	7.899 \| good	0.206 \| good
2026-09-06T17:00:00.000Z	27 \| good	4.526 \| good	17.551 \| good	7.258 \| good	0.335 \| good	3.304 \| good	0.211 \| good
2026-09-06T18:00:00.000Z	22 \| good	4.335 \| good	20.129 \| good	11.154 \| good	0.309 \| good	4.245 \| good	0.206 \| good
2026-09-06T19:00:00.000Z	27 \| good	5.209 \| good	17.72 \| good	15.265 \| good	0.302 \| good	4.213 \| good	0.24 \| good
2026-09-06T20:00:00.000Z	46 \| good	5.698 \| good	49.895 \| good	21.165 \| good	0.335 \| good	3.993 \| good	0.2 \| good
2026-09-06T21:00:00.000Z	27 \| good	4.868 \| good	20.922 \| good	27.083 \| good	0.375 \| good	4.282 \| good	0.24 \| good
2026-09-06T22:00:00.000Z	30 \| good	4.97 \| good	20.629 \| good	32.027 \| good	0.406 \| good	5.3 \| good	0.234 \| good
2026-09-06T23:00:00.000Z	33 \| good	4.694 \| good	18.87 \| good	35.902 \| good	0.493 \| good	7.498 \| good	0.234 \| good
2026-09-07T00:00:00.000Z	33 \| good	4.692 \| good	19.484 \| good	36.021 \| good	0.499 \| good	8.086 \| good	0.268 \| good
2026-09-07T01:00:00.000Z	33 \| good	4.225 \| good	16.157 \| good	35.961 \| good	0.464 \| good	9.336 \| good	0.268 \| good
2026-09-07T02:00:00.000Z	33 \| good	3.847 \| good	16.408 \| good	35.817 \| good	0.534 \| good	13.233 \| good	0.268 \| good
2026-09-07T03:00:00.000Z	52 \| moderate	9.934 \| good	44.027 \| good	16.525 \| good	1.434 \| good	5.053 \| good	0.2 \| good
2026-09-07T04:00:00.000Z	33 \| good	5.844 \| good	15.575 \| good	22.924 \| good	0.624 \| good	26.498 \| good	0.391 \| good
2026-09-07T05:00:00.000Z	33 \| good	5.859 \| good	22.016 \| good	18.024 \| good	0.621 \| good	17.191 \| good	0.322 \| good
2026-09-07T06:00:00.000Z	38 \| good	7.179 \| good	27.903 \| good	14.117 \| good	0.542 \| good	11.523 \| good	0.254 \| good
2026-09-07T07:00:00.000Z	27 \| good	4.546 \| good	20.549 \| good	14.085 \| good	0.531 \| good	10.237 \| good	0.254 \| good
2026-09-07T08:00:00.000Z	22 \| good	4.418 \| good	19.389 \| good	12.124 \| good	0.509 \| good	5.856 \| good	0.2 \| good
2026-09-07T09:00:00.000Z	33 \| good	6.038 \| good	26.975 \| good	14.122 \| good	0.446 \| good	4.963 \| good	0.118 \| good
2026-09-07T10:00:00.000Z	24 \| good	2.8 \| good	25.508 \| good	18.979 \| good	0.446 \| good	4.32 \| good	0.118 \| good
2026-09-07T11:00:00.000Z	18 \| good	3.483 \| good	16.048 \| good	18.957 \| good	0.442 \| good	6.094 \| good	0.166 \| good
2026-09-07T11:00:00.000Z	19 \| good	3.123 \| good	21.271 \| good	18.668 \| good	0.453 \| good	4.312 \| good	0.115 \| good
2026-09-07T12:00:00.000Z	22 \| good	4.176 \| good	17.946 \| good	14.039 \| good	0.42 \| good	4.083 \| good	0.211 \| good
2026-09-07T13:00:00.000Z	18 \| good	2.574 \| good	10.742 \| good	18.813 \| good	0.352 \| good	2.944 \| good	0.194 \| good
2026-09-07T14:00:00.000Z	19 \| good	2.079 \| good	8.56 \| good	21.107 \| good	0.331 \| good	2.284 \| good	0.183 \| good
2026-09-07T15:00:00.000Z	19 \| good	2.131 \| good	8.812 \| good	20.868 \| good	0.331 \| good	2.147 \| good	0.179 \| good
2026-09-07T16:00:00.000Z	16 \| good	2.72 \| good	11.185 \| good	16.97 \| good	0.319 \| good	1.971 \| good	0.177 \| good
2026-09-07T17:00:00.000Z	18 \| good	3.05 \| good	12.497 \| good	19.313 \| good	0.307 \| good	1.619 \| good	0.173 \| good
2026-09-07T18:00:00.000Z	22 \| good	2.93 \| good	11.972 \| good	24.377 \| good	0.299 \| good	1.444 \| good	0.172 \| good
2026-09-07T19:00:00.000Z	27 \| good	2.3 \| good	9.393 \| good	29.417 \| good	0.297 \| good	1.424 \| good	0.172 \| good
2026-09-07T20:00:00.000Z	27 \| good	2.406 \| good	9.927 \| good	29.437 \| good	0.291 \| good	1.286 \| good	0.171 \| good
2026-09-07T21:00:00.000Z	28 \| good	2.703 \| good	11.291 \| good	29.855 \| good	0.289 \| good	1.252 \| good	0.171 \| good
2026-09-07T22:00:00.000Z	30 \| good	3.03 \| good	12.786 \| good	31.508 \| good	0.287 \| good	1.197 \| good	0.171 \| good
2026-09-07T23:00:00.000Z	28 \| good	2.947 \| good	12.745 \| good	30.003 \| good	0.285 \| good	1.15 \| good	0.171 \| good
2026-09-08T00:00:00.000Z	24 \| good	3.11 \| good	13.335 \| good	26.279 \| good	0.287 \| good	1.323 \| good	0.171 \| good
2026-09-08T01:00:00.000Z	27 \| good	4.89 \| good	21.125 \| good	22.634 \| good	0.293 \| good	1.757 \| good	0.174 \| good
2026-09-08T02:00:00.000Z	38 \| good	6.645 \| good	29.382 \| good	20.602 \| good	0.308 \| good	2.074 \| good	0.174 \| good
2026-09-08T03:00:00.000Z	38 \| good	7.034 \| good	30.983 \| good	17.54 \| good	0.347 \| good	5.159 \| good	0.197 \| good
2026-09-08T04:00:00.000Z	44 \| good	8.327 \| good	36.876 \| good	11.108 \| good	0.382 \| good	6.417 \| good	0.207 \| good
2026-09-08T05:00:00.000Z	44 \| good	7.711 \| good	33.98 \| good	10.15 \| good	0.416 \| good	9.075 \| good	0.229 \| good
2026-09-08T06:00:00.000Z	38 \| good	7.434 \| good	32.95 \| good	8.274 \| good	0.444 \| good	12.739 \| good	0.259 \| good
2026-09-08T07:00:00.000Z	38 \| good	6.673 \| good	29.322 \| good	8.734 \| good	0.442 \| good	15.974 \| good	0.29 \| good
2026-09-08T08:00:00.000Z	38 \| good	6.922 \| good	30.354 \| good	6.769 \| good	0.393 \| good	16.401 \| good	0.302 \| good
2026-09-08T09:00:00.000Z	38 \| good	6.55 \| good	28.863 \| good	6.488 \| good	0.331 \| good	16.192 \| good	0.308 \| good
2026-09-08T10:00:00.000Z	33 \| good	6.323 \| good	27.501 \| good	7.199 \| good	0.264 \| good	15.806 \| good	0.312 \| good
2026-09-08T11:00:00.000Z	38 \| good	6.803 \| good	29.916 \| good	6.257 \| good	0.204 \| good	15.197 \| good	0.313 \| good
2026-09-08T12:00:00.000Z	38 \| good	6.898 \| good	30.322 \| good	4.698 \| good	0.205 \| good	10.305 \| good	0.274 \| good
2026-09-08T13:00:00.000Z	33 \| good	6.448 \| good	28.713 \| good	4.905 \| good	0.165 \| good	8.705 \| good	0.262 \| good
2026-09-08T14:00:00.000Z	38 \| good	6.749 \| good	29.425 \| good	4.409 \| good	0.12 \| good	7.409 \| good	0.255 \| good
2026-09-08T15:00:00.000Z	33 \| good	6.23 \| good	27.201 \| good	6.137 \| good	0.108 \| good	6.638 \| good	0.258 \| good
2026-09-08T16:00:00.000Z	27 \| good	4.714 \| good	20.565 \| good	10.558 \| good	0.137 \| good	5.12 \| good	0.252 \| good
2026-09-08T17:00:00.000Z	22 \| good	4.426 \| good	18.991 \| good	17.059 \| good	0.316 \| good	2.969 \| good	0.217 \| good
2026-09-08T18:00:00.000Z	22 \| good	4.472 \| good	19.404 \| good	22.456 \| good	0.432 \| good	2.18 \| good	0.202 \| good
2026-09-08T19:00:00.000Z	27 \| good	4.788 \| good	20.768 \| good	27.163 \| good	0.503 \| good	1.834 \| good	0.194 \| good
2026-09-08T20:00:00.000Z	28 \| good	4.731 \| good	20.701 \| good	30.315 \| good	0.558 \| good	1.606 \| good	0.188 \| good
2026-09-08T21:00:00.000Z	31 \| good	5.184 \| good	22.431 \| good	32.748 \| good	0.607 \| good	1.436 \| good	0.183 \| good
2026-09-08T22:00:00.000Z	33 \| good	6.313 \| good	28.381 \| good	34.176 \| good	0.656 \| good	1.363 \| good	0.18 \| good
2026-09-08T23:00:00.000Z	33 \| good	5.962 \| good	26.135 \| good	33.769 \| good	0.701 \| good	1.371 \| good	0.177 \| good
2026-09-09T00:00:00.000Z	33 \| good	6.263 \| good	27.988 \| good	29.779 \| good	0.754 \| good	1.557 \| good	0.176 \| good
2026-09-09T01:00:00.000Z	38 \| good	6.859 \| good	30.441 \| good	24.129 \| good	0.837 \| good	2.131 \| good	0.179 \| good
2026-09-09T02:00:00.000Z	38 \| good	7.061 \| good	31.272 \| good	20.135 \| good	0.92 \| good	3.861 \| good	0.192 \| good
2026-09-09T03:00:00.000Z	38 \| good	6.687 \| good	29.708 \| good	18.124 \| good	0.986 \| good	8.403 \| good	0.228 \| good
2026-09-09T04:00:00.000Z	38 \| good	6.965 \| good	31.012 \| good	11.846 \| good	1.063 \| good	10.323 \| good	0.245 \| good
2026-09-09T05:00:00.000Z	38 \| good	6.863 \| good	30.49 \| good	10.506 \| good	1.059 \| good	12.371 \| good	0.264 \| good
2026-09-09T06:00:00.000Z	38 \| good	7.433 \| good	32.865 \| good	9.749 \| good	1 \| good	14.755 \| good	0.287 \| good
2026-09-09T07:00:00.000Z	44 \| good	7.556 \| good	33.248 \| good	8.983 \| good	0.904 \| good	16.589 \| good	0.306 \| good
2026-09-09T08:00:00.000Z	44 \| good	8.147 \| good	35.735 \| good	8.612 \| good	0.782 \| good	16.631 \| good	0.312 \| good
2026-09-09T09:00:00.000Z	44 \| good	7.95 \| good	35.108 \| good	6.985 \| good	0.651 \| good	16.114 \| good	0.311 \| good
2026-09-09T10:00:00.000Z	44 \| good	7.777 \| good	34.223 \| good	5.987 \| good	0.521 \| good	15.523 \| good	0.307 \| good
2026-09-09T11:00:00.000Z	44 \| good	8.293 \| good	36.734 \| good	4.457 \| good	0.407 \| good	14.899 \| good	0.301 \| good

Sammamish

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Sammamish, Washington

0.11ppm

How accurate is Washington, USA air quality data?

The air quality data for Washington, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

Source: Ambee Data Sources

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Frequently asked questions

How frequently does the air quality data for Sammamish, Washington get updated?

Air quality updates for Sammamish, Washington are available every hour.

What time in the past 24 hours saw the poorest air quality in Sammamish, Washington?

Sammamish, Washington experienced its worst air quality at 03:00:00, 2026-09-07.

When was air quality in Sammamish, Washington the best over the past 24 hours?

The best air quality in Sammamish, Washington was observed at 08:00:00 on 2026-09-07.

What is the air quality in Sammamish, Washington right now?

The air quality in Sammamish, Washington right now is Good, with an AQI of 19.

What pollutant is most frequently found in Sammamish, Washington?

In Sammamish, Washington, PM10 is the most frequently found pollutant.

What can I do if the air quality in Sammamish, Washington is poor?

When air quality in Sammamish, Washington is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Sammamish, Washington right now?

Sammamish, Washington currently has a PM_2.5 concentration of 3.123 μg/m³.

What is the current level of PM₁₀ in Sammamish, Washington?

Sammamish, Washington currently has a PM₁₀ concentration of 21.271 μg/m³.

What is the current level of carbon monoxide (CO) in Sammamish, Washington?

The current carbon monoxide (CO) level in Sammamish, Washington is 0.115 ppm.

What is the current level of sulfur dioxide (SO₂) in Sammamish, Washington?

The current sulfur dioxide (SO₂) concentration in Sammamish, Washington is 0.453 ppb.

What is the current level of ozone (O₃) in Sammamish, Washington?

Sammamish, Washington currently has an ozone (O₃) concentration of 18.668 ppm.

What is the current level of nitrogen dioxide (NO₂) in Sammamish, Washington?

The current level of nitrogen dioxide (NO₂) in Sammamish, Washington is 4.312 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-05T12:00:00.000Z	22 \| good	3.867 \| good	17.906 \| good	1.133 \| good	0.51 \| good	8.152 \| good	0.24 \| good
2026-09-05T13:00:00.000Z	22 \| good	3.582 \| good	14.109 \| good	1.205 \| good	0.505 \| good	8.718 \| good	0.24 \| good
2026-09-05T14:00:00.000Z	16 \| good	3.059 \| good	12.533 \| good	1.202 \| good	0.402 \| good	8.143 \| good	0.206 \| good
2026-09-05T15:00:00.000Z	22 \| good	4.448 \| good	16.41 \| good	4.087 \| good	0.463 \| good	7.562 \| good	0.322 \| good
2026-09-05T16:00:00.000Z	22 \| good	3.856 \| good	15.97 \| good	7.035 \| good	0.412 \| good	7.026 \| good	0.322 \| good
2026-09-05T17:00:00.000Z	22 \| good	3.914 \| good	14.775 \| good	9.031 \| good	0.886 \| good	3.829 \| good	0.308 \| good
2026-09-05T18:00:00.000Z	16 \| good	3.112 \| good	13.451 \| good	9.054 \| good	0.415 \| good	2.205 \| good	0.274 \| good
2026-09-05T19:00:00.000Z	22 \| good	3.897 \| good	16.879 \| good	12.179 \| good	0.389 \| good	3.488 \| good	0.274 \| good
2026-09-05T20:00:00.000Z	34 \| good	4.316 \| good	36.842 \| good	13.21 \| good	0.488 \| good	3.8 \| good	0.274 \| good
2026-09-05T21:00:00.000Z	31 \| good	4.015 \| good	33.212 \| good	15.186 \| good	0.446 \| good	6.041 \| good	0.268 \| good
2026-09-05T22:00:00.000Z	22 \| good	3.587 \| good	18.889 \| good	17.167 \| good	0.456 \| good	7.025 \| good	0.274 \| good
2026-09-05T23:00:00.000Z	22 \| good	3.971 \| good	14.623 \| good	23.1 \| good	0.461 \| good	6.558 \| good	0.234 \| good
2026-09-06T00:00:00.000Z	22 \| good	3.988 \| good	15.592 \| good	24.165 \| good	0.545 \| good	6.855 \| good	0.24 \| good
2026-09-06T01:00:00.000Z	22 \| good	3.46 \| good	12.235 \| good	24.079 \| good	0.501 \| good	8.66 \| good	0.303 \| good
2026-09-06T02:00:00.000Z	21 \| good	3.186 \| good	16.265 \| good	23.068 \| good	0.449 \| good	7.646 \| good	0.268 \| good
2026-09-06T03:00:00.000Z	44 \| good	8.343 \| good	36.674 \| good	25.124 \| good	0.299 \| good	3.987 \| good	0.212 \| good
2026-09-06T04:00:00.000Z	22 \| good	4.431 \| good	16.099 \| good	14.209 \| good	0.401 \| good	6.366 \| good	0.234 \| good
2026-09-06T05:00:00.000Z	27 \| good	5.013 \| good	16.659 \| good	10.272 \| good	0.452 \| good	13.895 \| good	0.205 \| good
2026-09-06T06:00:00.000Z	27 \| good	5.255 \| good	13.908 \| good	10.16 \| good	0.531 \| good	16.506 \| good	0.206 \| good
2026-09-06T07:00:00.000Z	33 \| good	5.767 \| good	18.886 \| good	10.23 \| good	0.52 \| good	15.801 \| good	0.206 \| good
2026-09-06T08:00:00.000Z	33 \| good	6.177 \| good	22.752 \| good	4.229 \| good	0.409 \| good	10.402 \| good	0.2 \| good
2026-09-06T09:00:00.000Z	38 \| good	6.731 \| good	25.667 \| good	4.22 \| good	0.353 \| good	11.642 \| good	0.2 \| good
2026-09-06T10:00:00.000Z	33 \| good	6.468 \| good	28.967 \| good	1.322 \| good	0.365 \| good	15.516 \| good	0.2 \| good
2026-09-06T11:00:00.000Z	38 \| good	6.683 \| good	31.443 \| good	10.908 \| good	0.355 \| good	15.081 \| good	0.2 \| good
2026-09-06T12:00:00.000Z	22 \| good	4.321 \| good	18.356 \| good	6.844 \| good	0.321 \| good	9.808 \| good	0.166 \| good
2026-09-06T13:00:00.000Z	33 \| good	5.776 \| good	15.055 \| good	10.243 \| good	0.324 \| good	9.753 \| good	0.166 \| good
2026-09-06T14:00:00.000Z	33 \| good	6.04 \| good	21.844 \| good	1.159 \| good	0.289 \| good	6.838 \| good	0.2 \| good
2026-09-06T15:00:00.000Z	27 \| good	4.909 \| good	17.02 \| good	4.139 \| good	0.305 \| good	9.973 \| good	0.259 \| good
2026-09-06T16:00:00.000Z	33 \| good	5.939 \| good	21.277 \| good	6.185 \| good	0.347 \| good	7.899 \| good	0.206 \| good
2026-09-06T17:00:00.000Z	27 \| good	4.526 \| good	17.551 \| good	7.258 \| good	0.335 \| good	3.304 \| good	0.211 \| good
2026-09-06T18:00:00.000Z	22 \| good	4.335 \| good	20.129 \| good	11.154 \| good	0.309 \| good	4.245 \| good	0.206 \| good
2026-09-06T19:00:00.000Z	27 \| good	5.209 \| good	17.72 \| good	15.265 \| good	0.302 \| good	4.213 \| good	0.24 \| good
2026-09-06T20:00:00.000Z	46 \| good	5.698 \| good	49.895 \| good	21.165 \| good	0.335 \| good	3.993 \| good	0.2 \| good
2026-09-06T21:00:00.000Z	27 \| good	4.868 \| good	20.922 \| good	27.083 \| good	0.375 \| good	4.282 \| good	0.24 \| good
2026-09-06T22:00:00.000Z	30 \| good	4.97 \| good	20.629 \| good	32.027 \| good	0.406 \| good	5.3 \| good	0.234 \| good
2026-09-06T23:00:00.000Z	33 \| good	4.694 \| good	18.87 \| good	35.902 \| good	0.493 \| good	7.498 \| good	0.234 \| good
2026-09-07T00:00:00.000Z	33 \| good	4.692 \| good	19.484 \| good	36.021 \| good	0.499 \| good	8.086 \| good	0.268 \| good
2026-09-07T01:00:00.000Z	33 \| good	4.225 \| good	16.157 \| good	35.961 \| good	0.464 \| good	9.336 \| good	0.268 \| good
2026-09-07T02:00:00.000Z	33 \| good	3.847 \| good	16.408 \| good	35.817 \| good	0.534 \| good	13.233 \| good	0.268 \| good
2026-09-07T03:00:00.000Z	52 \| moderate	9.934 \| good	44.027 \| good	16.525 \| good	1.434 \| good	5.053 \| good	0.2 \| good
2026-09-07T04:00:00.000Z	33 \| good	5.844 \| good	15.575 \| good	22.924 \| good	0.624 \| good	26.498 \| good	0.391 \| good
2026-09-07T05:00:00.000Z	33 \| good	5.859 \| good	22.016 \| good	18.024 \| good	0.621 \| good	17.191 \| good	0.322 \| good
2026-09-07T06:00:00.000Z	38 \| good	7.179 \| good	27.903 \| good	14.117 \| good	0.542 \| good	11.523 \| good	0.254 \| good
2026-09-07T07:00:00.000Z	27 \| good	4.546 \| good	20.549 \| good	14.085 \| good	0.531 \| good	10.237 \| good	0.254 \| good
2026-09-07T08:00:00.000Z	22 \| good	4.418 \| good	19.389 \| good	12.124 \| good	0.509 \| good	5.856 \| good	0.2 \| good
2026-09-07T09:00:00.000Z	33 \| good	6.038 \| good	26.975 \| good	14.122 \| good	0.446 \| good	4.963 \| good	0.118 \| good
2026-09-07T10:00:00.000Z	24 \| good	2.8 \| good	25.508 \| good	18.979 \| good	0.446 \| good	4.32 \| good	0.118 \| good
2026-09-07T11:00:00.000Z	18 \| good	3.483 \| good	16.048 \| good	18.957 \| good	0.442 \| good	6.094 \| good	0.166 \| good
2026-09-07T11:00:00.000Z	19 \| good	3.123 \| good	21.271 \| good	18.668 \| good	0.453 \| good	4.312 \| good	0.115 \| good
2026-09-07T12:00:00.000Z	22 \| good	4.176 \| good	17.946 \| good	14.039 \| good	0.42 \| good	4.083 \| good	0.211 \| good
2026-09-07T13:00:00.000Z	18 \| good	2.574 \| good	10.742 \| good	18.813 \| good	0.352 \| good	2.944 \| good	0.194 \| good
2026-09-07T14:00:00.000Z	19 \| good	2.079 \| good	8.56 \| good	21.107 \| good	0.331 \| good	2.284 \| good	0.183 \| good
2026-09-07T15:00:00.000Z	19 \| good	2.131 \| good	8.812 \| good	20.868 \| good	0.331 \| good	2.147 \| good	0.179 \| good
2026-09-07T16:00:00.000Z	16 \| good	2.72 \| good	11.185 \| good	16.97 \| good	0.319 \| good	1.971 \| good	0.177 \| good
2026-09-07T17:00:00.000Z	18 \| good	3.05 \| good	12.497 \| good	19.313 \| good	0.307 \| good	1.619 \| good	0.173 \| good
2026-09-07T18:00:00.000Z	22 \| good	2.93 \| good	11.972 \| good	24.377 \| good	0.299 \| good	1.444 \| good	0.172 \| good
2026-09-07T19:00:00.000Z	27 \| good	2.3 \| good	9.393 \| good	29.417 \| good	0.297 \| good	1.424 \| good	0.172 \| good
2026-09-07T20:00:00.000Z	27 \| good	2.406 \| good	9.927 \| good	29.437 \| good	0.291 \| good	1.286 \| good	0.171 \| good
2026-09-07T21:00:00.000Z	28 \| good	2.703 \| good	11.291 \| good	29.855 \| good	0.289 \| good	1.252 \| good	0.171 \| good
2026-09-07T22:00:00.000Z	30 \| good	3.03 \| good	12.786 \| good	31.508 \| good	0.287 \| good	1.197 \| good	0.171 \| good
2026-09-07T23:00:00.000Z	28 \| good	2.947 \| good	12.745 \| good	30.003 \| good	0.285 \| good	1.15 \| good	0.171 \| good
2026-09-08T00:00:00.000Z	24 \| good	3.11 \| good	13.335 \| good	26.279 \| good	0.287 \| good	1.323 \| good	0.171 \| good
2026-09-08T01:00:00.000Z	27 \| good	4.89 \| good	21.125 \| good	22.634 \| good	0.293 \| good	1.757 \| good	0.174 \| good
2026-09-08T02:00:00.000Z	38 \| good	6.645 \| good	29.382 \| good	20.602 \| good	0.308 \| good	2.074 \| good	0.174 \| good
2026-09-08T03:00:00.000Z	38 \| good	7.034 \| good	30.983 \| good	17.54 \| good	0.347 \| good	5.159 \| good	0.197 \| good
2026-09-08T04:00:00.000Z	44 \| good	8.327 \| good	36.876 \| good	11.108 \| good	0.382 \| good	6.417 \| good	0.207 \| good
2026-09-08T05:00:00.000Z	44 \| good	7.711 \| good	33.98 \| good	10.15 \| good	0.416 \| good	9.075 \| good	0.229 \| good
2026-09-08T06:00:00.000Z	38 \| good	7.434 \| good	32.95 \| good	8.274 \| good	0.444 \| good	12.739 \| good	0.259 \| good
2026-09-08T07:00:00.000Z	38 \| good	6.673 \| good	29.322 \| good	8.734 \| good	0.442 \| good	15.974 \| good	0.29 \| good
2026-09-08T08:00:00.000Z	38 \| good	6.922 \| good	30.354 \| good	6.769 \| good	0.393 \| good	16.401 \| good	0.302 \| good
2026-09-08T09:00:00.000Z	38 \| good	6.55 \| good	28.863 \| good	6.488 \| good	0.331 \| good	16.192 \| good	0.308 \| good
2026-09-08T10:00:00.000Z	33 \| good	6.323 \| good	27.501 \| good	7.199 \| good	0.264 \| good	15.806 \| good	0.312 \| good
2026-09-08T11:00:00.000Z	38 \| good	6.803 \| good	29.916 \| good	6.257 \| good	0.204 \| good	15.197 \| good	0.313 \| good
2026-09-08T12:00:00.000Z	38 \| good	6.898 \| good	30.322 \| good	4.698 \| good	0.205 \| good	10.305 \| good	0.274 \| good
2026-09-08T13:00:00.000Z	33 \| good	6.448 \| good	28.713 \| good	4.905 \| good	0.165 \| good	8.705 \| good	0.262 \| good
2026-09-08T14:00:00.000Z	38 \| good	6.749 \| good	29.425 \| good	4.409 \| good	0.12 \| good	7.409 \| good	0.255 \| good
2026-09-08T15:00:00.000Z	33 \| good	6.23 \| good	27.201 \| good	6.137 \| good	0.108 \| good	6.638 \| good	0.258 \| good
2026-09-08T16:00:00.000Z	27 \| good	4.714 \| good	20.565 \| good	10.558 \| good	0.137 \| good	5.12 \| good	0.252 \| good
2026-09-08T17:00:00.000Z	22 \| good	4.426 \| good	18.991 \| good	17.059 \| good	0.316 \| good	2.969 \| good	0.217 \| good
2026-09-08T18:00:00.000Z	22 \| good	4.472 \| good	19.404 \| good	22.456 \| good	0.432 \| good	2.18 \| good	0.202 \| good
2026-09-08T19:00:00.000Z	27 \| good	4.788 \| good	20.768 \| good	27.163 \| good	0.503 \| good	1.834 \| good	0.194 \| good
2026-09-08T20:00:00.000Z	28 \| good	4.731 \| good	20.701 \| good	30.315 \| good	0.558 \| good	1.606 \| good	0.188 \| good
2026-09-08T21:00:00.000Z	31 \| good	5.184 \| good	22.431 \| good	32.748 \| good	0.607 \| good	1.436 \| good	0.183 \| good
2026-09-08T22:00:00.000Z	33 \| good	6.313 \| good	28.381 \| good	34.176 \| good	0.656 \| good	1.363 \| good	0.18 \| good
2026-09-08T23:00:00.000Z	33 \| good	5.962 \| good	26.135 \| good	33.769 \| good	0.701 \| good	1.371 \| good	0.177 \| good
2026-09-09T00:00:00.000Z	33 \| good	6.263 \| good	27.988 \| good	29.779 \| good	0.754 \| good	1.557 \| good	0.176 \| good
2026-09-09T01:00:00.000Z	38 \| good	6.859 \| good	30.441 \| good	24.129 \| good	0.837 \| good	2.131 \| good	0.179 \| good
2026-09-09T02:00:00.000Z	38 \| good	7.061 \| good	31.272 \| good	20.135 \| good	0.92 \| good	3.861 \| good	0.192 \| good
2026-09-09T03:00:00.000Z	38 \| good	6.687 \| good	29.708 \| good	18.124 \| good	0.986 \| good	8.403 \| good	0.228 \| good
2026-09-09T04:00:00.000Z	38 \| good	6.965 \| good	31.012 \| good	11.846 \| good	1.063 \| good	10.323 \| good	0.245 \| good
2026-09-09T05:00:00.000Z	38 \| good	6.863 \| good	30.49 \| good	10.506 \| good	1.059 \| good	12.371 \| good	0.264 \| good
2026-09-09T06:00:00.000Z	38 \| good	7.433 \| good	32.865 \| good	9.749 \| good	1 \| good	14.755 \| good	0.287 \| good
2026-09-09T07:00:00.000Z	44 \| good	7.556 \| good	33.248 \| good	8.983 \| good	0.904 \| good	16.589 \| good	0.306 \| good
2026-09-09T08:00:00.000Z	44 \| good	8.147 \| good	35.735 \| good	8.612 \| good	0.782 \| good	16.631 \| good	0.312 \| good
2026-09-09T09:00:00.000Z	44 \| good	7.95 \| good	35.108 \| good	6.985 \| good	0.651 \| good	16.114 \| good	0.311 \| good
2026-09-09T10:00:00.000Z	44 \| good	7.777 \| good	34.223 \| good	5.987 \| good	0.521 \| good	15.523 \| good	0.307 \| good
2026-09-09T11:00:00.000Z	44 \| good	8.293 \| good	36.734 \| good	4.457 \| good	0.407 \| good	14.899 \| good	0.301 \| good

Current air quality index in Sammamish, Washington today

Common air pollutants in Sammamish, Washington

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Sammamish, Washington air quality forecast and history

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Sammamish, Washington

Air quality in nearby cities

Union HillNovelty Hill, Washington

Redmond, Washington

Issaquah, Washington

Bellevue, Washington

Newcastle, Washington

Kirkland, Washington

How accurate is Washington, USA air quality data?

Air quality levels in US

Frequently asked questions

How frequently does the air quality data for Sammamish, Washington get updated?

What time in the past 24 hours saw the poorest air quality in Sammamish, Washington?

When was air quality in Sammamish, Washington the best over the past 24 hours?

What is the air quality in Sammamish, Washington right now?

What pollutant is most frequently found in Sammamish, Washington?

What can I do if the air quality in Sammamish, Washington is poor?

What is the PM2.5 concentration in Sammamish, Washington right now?

What is the current level of PM10 in Sammamish, Washington?

What is the current level of carbon monoxide (CO) in Sammamish, Washington?

What is the current level of sulfur dioxide (SO2) in Sammamish, Washington?

What is the current level of ozone (O3) in Sammamish, Washington?

What is the current level of nitrogen dioxide (NO2) in Sammamish, Washington?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 concentration in Sammamish, Washington right now?

What is the current level of PM₁₀ in Sammamish, Washington?

What is the current level of sulfur dioxide (SO₂) in Sammamish, Washington?

What is the current level of ozone (O₃) in Sammamish, Washington?

What is the current level of nitrogen dioxide (NO₂) in Sammamish, Washington?