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

Sammamish, Washington currently has a PM10 concentration of 60.768 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Sammamish, Washington is 1.241 ppb.

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

Sammamish, Washington currently has an ozone (O3) concentration of 17.142 ppm.

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

The current level of nitrogen dioxide (NO2) in Sammamish, Washington is 13.091 ppb.

Current air quality index in Sammamish, Washington today

Name: Live air pollution levels in Sammamish, Washington today
Creator: Ambee

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)

Moderate

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)

15.21 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

60.77 μg/m³

155

255

425

605+

Ozone (O₃)

17.14 ppb

201

201+

Sulfur Dioxide (SO₂)

1.24 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

13.09 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

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
2025-09-04T00:00:00.000Z	77 \| moderate	22.879 \| fine	87.16 \| fine	48.918 \| good	0.5 \| good	9.52 \| good	0.223 \| good
2025-09-04T01:00:00.000Z	84 \| moderate	14.742 \| fine	122.075 \| fine	47.89 \| good	0.417 \| good	7.72 \| good	0.255 \| good
2025-09-04T02:00:00.000Z	69 \| moderate	18.838 \| fine	63.217 \| fine	42.986 \| good	0.428 \| good	11.874 \| good	0.26 \| good
2025-09-04T03:00:00.000Z	67 \| moderate	18.097 \| fine	72.424 \| fine	41.908 \| good	0.489 \| good	9.431 \| good	0.304 \| good
2025-09-04T04:00:00.000Z	77 \| moderate	23.215 \| fine	91.188 \| fine	39.962 \| good	0.634 \| good	10.262 \| good	0.262 \| good
2025-09-04T05:00:00.000Z	94 \| moderate	31.692 \| fine	133.691 \| fine	31.139 \| good	0.588 \| good	16.006 \| good	0.305 \| good
2025-09-04T06:00:00.000Z	82 \| moderate	26.396 \| fine	85.695 \| fine	23.177 \| good	0.499 \| good	18.421 \| good	0.294 \| good
2025-09-04T07:00:00.000Z	81 \| moderate	25.217 \| fine	88.306 \| fine	20.126 \| good	0.48 \| good	15.13 \| good	0.251 \| good
2025-09-04T08:00:00.000Z	82 \| moderate	25.768 \| fine	110.769 \| fine	14.239 \| good	0.416 \| good	8.573 \| good	0.209 \| good
2025-09-04T09:00:00.000Z	88 \| moderate	29.473 \| fine	58.969 \| fine	12.246 \| good	0.323 \| good	7.474 \| good	0.162 \| good
2025-09-04T10:00:00.000Z	66 \| moderate	17.355 \| fine	66.673 \| fine	10.999 \| good	0.451 \| good	6.464 \| good	0.162 \| good
2025-09-04T11:00:00.000Z	69 \| moderate	18.71 \| fine	80.713 \| fine	8.068 \| good	0.299 \| good	6.204 \| good	0.124 \| good
2025-09-04T12:00:00.000Z	64 \| moderate	15.868 \| fine	51.611 \| good	8.061 \| good	0.233 \| good	8.356 \| good	0.124 \| good
2025-09-04T13:00:00.000Z	82 \| moderate	25.994 \| fine	113.464 \| fine	16.041 \| good	1.392 \| good	10.839 \| good	0.352 \| good
2025-09-04T14:00:00.000Z	62 \| moderate	15.297 \| fine	45.531 \| good	5.13 \| good	0.224 \| good	10.116 \| good	0.192 \| good
2025-09-04T15:00:00.000Z	62 \| moderate	14.983 \| fine	60.496 \| fine	4.111 \| good	0.159 \| good	8.595 \| good	0.162 \| good
2025-09-04T16:00:00.000Z	44 \| good	8.402 \| good	30.062 \| good	5.035 \| good	0.354 \| good	8.27 \| good	0.213 \| good
2025-09-04T17:00:00.000Z	49 \| good	8.946 \| good	36.83 \| good	8.115 \| good	0.588 \| good	11.555 \| good	0.246 \| good
2025-09-04T18:00:00.000Z	60 \| moderate	13.775 \| fine	58.969 \| fine	9.02 \| good	0.643 \| good	12.606 \| good	0.2 \| good
2025-09-04T19:00:00.000Z	58 \| moderate	12.993 \| fine	64.115 \| fine	11.036 \| good	0.575 \| good	13.748 \| good	0.251 \| good
2025-09-04T20:00:00.000Z	52 \| moderate	10.421 \| good	44.108 \| good	14.049 \| good	0.623 \| good	11.432 \| good	0.2 \| good
2025-09-04T21:00:00.000Z	56 \| moderate	10.692 \| good	66.2 \| fine	18.993 \| good	0.63 \| good	14.449 \| good	0.251 \| good
2025-09-04T22:00:00.000Z	56 \| moderate	11.88 \| good	47.703 \| good	24.935 \| good	0.736 \| good	16.34 \| good	0.332 \| good
2025-09-04T23:00:00.000Z	56 \| moderate	12.143 \| fine	52.803 \| good	25.992 \| good	0.564 \| good	12.156 \| good	0.332 \| good
2025-09-05T00:00:00.000Z	54 \| moderate	11.418 \| good	49.537 \| good	27.085 \| good	0.579 \| good	10.263 \| good	0.287 \| good
2025-09-05T01:00:00.000Z	56 \| moderate	12.43 \| fine	54.664 \| good	22.728 \| good	0.597 \| good	12.914 \| good	0.292 \| good
2025-09-05T02:00:00.000Z	58 \| moderate	12.81 \| fine	48.573 \| good	20.081 \| good	0.664 \| good	13.496 \| good	0.33 \| good
2025-09-05T03:00:00.000Z	58 \| moderate	12.669 \| fine	39.567 \| good	19.139 \| good	0.638 \| good	15.368 \| good	0.286 \| good
2025-09-05T04:00:00.000Z	64 \| moderate	11.835 \| good	81.082 \| fine	17.078 \| good	0.558 \| good	16.491 \| good	0.289 \| good
2025-09-05T05:00:00.000Z	62 \| moderate	14.708 \| fine	65.42 \| fine	12.164 \| good	0.462 \| good	14.149 \| good	0.327 \| good
2025-09-05T06:00:00.000Z	71 \| moderate	19.614 \| fine	85.146 \| fine	9.29 \| good	0.652 \| good	13.081 \| good	0.372 \| good
2025-09-05T07:00:00.000Z	62 \| moderate	14.63 \| fine	51.843 \| good	9.222 \| good	0.398 \| good	17.341 \| good	0.284 \| good
2025-09-05T08:00:00.000Z	62 \| moderate	14.617 \| fine	47.272 \| good	4.386 \| good	0.39 \| good	18.542 \| good	0.2 \| good
2025-09-05T09:00:00.000Z	60 \| moderate	14.213 \| fine	73.284 \| fine	3.343 \| good	0.405 \| good	11.841 \| good	0.162 \| good
2025-09-05T10:00:00.000Z	60 \| moderate	14.327 \| fine	57.402 \| fine	2.178 \| good	0.414 \| good	10.251 \| good	0.162 \| good
2025-09-05T11:00:00.000Z	64 \| moderate	15.826 \| fine	52.778 \| good	3.015 \| good	0.378 \| good	9.976 \| good	0.169 \| good
2025-09-05T12:00:00.000Z	69 \| moderate	19.19 \| fine	60.739 \| fine	2.542 \| good	0.369 \| good	10.307 \| good	0.2 \| good
2025-09-05T13:00:00.000Z	74 \| moderate	20.815 \| fine	102.174 \| fine	2.209 \| good	0.298 \| good	9.613 \| good	0.194 \| good
2025-09-05T14:00:00.000Z	66 \| moderate	16.578 \| fine	65.252 \| fine	2.165 \| good	0.573 \| good	9.287 \| good	0.278 \| good
2025-09-05T15:00:00.000Z	64 \| moderate	12.258 \| fine	81.158 \| fine	2.079 \| good	0.603 \| good	9.758 \| good	0.278 \| good
2025-09-05T16:00:00.000Z	58 \| moderate	12.538 \| fine	64.114 \| fine	2.12 \| good	0.789 \| good	9.39 \| good	0.243 \| good
2025-09-05T17:00:00.000Z	66 \| moderate	13.116 \| fine	84.913 \| fine	3.13 \| good	0.846 \| good	10.566 \| good	0.287 \| good
2025-09-05T18:00:00.000Z	62 \| moderate	14.64 \| fine	69.861 \| fine	6.206 \| good	0.956 \| good	13.767 \| good	0.3 \| good
2025-09-05T19:00:00.000Z	58 \| moderate	12.902 \| fine	29.213 \| good	8.079 \| good	1.026 \| good	13.023 \| good	0.294 \| good
2025-09-05T20:00:00.000Z	69 \| moderate	19.051 \| fine	78.089 \| fine	9.113 \| good	0.761 \| good	8.979 \| good	0.249 \| good
2025-09-05T21:00:00.000Z	77 \| moderate	22.596 \| fine	94.143 \| fine	15.141 \| good	0.66 \| good	13.175 \| good	0.255 \| good
2025-09-05T22:00:00.000Z	66 \| moderate	17.47 \| fine	67.084 \| fine	17.011 \| good	1.187 \| good	12.753 \| good	0.243 \| good
2025-09-05T23:00:00.000Z	62 \| moderate	15.209 \| fine	60.768 \| fine	17.142 \| good	1.241 \| good	13.091 \| good	0.241 \| good
2025-09-03T19:00:00.000Z	64 \| moderate	16.208 \| fine	71.98 \| fine	40.53 \| good	1.309 \| good	6.149 \| good	0.298 \| good
2025-09-03T20:00:00.000Z	64 \| moderate	16.259 \| fine	72.882 \| fine	46.545 \| good	1.494 \| good	4.679 \| good	0.282 \| good
2025-09-03T21:00:00.000Z	66 \| moderate	16.811 \| fine	74.956 \| fine	53.613 \| good	1.679 \| good	3.208 \| good	0.265 \| good
2025-09-03T22:00:00.000Z	67 \| moderate	17.857 \| fine	79.063 \| fine	58.385 \| fine	1.802 \| good	3.115 \| good	0.258 \| good
2025-09-03T23:00:00.000Z	71 \| moderate	20.239 \| fine	89.091 \| fine	60.887 \| fine	1.925 \| good	3.022 \| good	0.252 \| good
2025-09-04T00:00:00.000Z	77 \| moderate	23.032 \| fine	100.1 \| fine	60.903 \| fine	2.048 \| good	2.928 \| good	0.246 \| good
2025-09-04T01:00:00.000Z	82 \| moderate	26.193 \| fine	113.849 \| fine	56.603 \| fine	2.129 \| good	8.007 \| good	0.29 \| good
2025-09-04T02:00:00.000Z	86 \| moderate	27.769 \| fine	120.927 \| fine	49.437 \| good	2.21 \| good	13.086 \| good	0.333 \| good
2025-09-04T03:00:00.000Z	86 \| moderate	28.32 \| fine	122.787 \| fine	42.07 \| good	2.291 \| good	18.164 \| good	0.377 \| good
2025-09-04T04:00:00.000Z	86 \| moderate	27.712 \| fine	120.734 \| fine	34.599 \| good	2.24 \| good	19.583 \| good	0.397 \| good
2025-09-04T05:00:00.000Z	84 \| moderate	27.237 \| fine	118.061 \| fine	31.658 \| good	2.188 \| good	21.002 \| good	0.416 \| good
2025-09-04T06:00:00.000Z	86 \| moderate	27.557 \| fine	119.877 \| fine	30.139 \| good	2.137 \| good	22.421 \| good	0.436 \| good
2025-09-04T07:00:00.000Z	86 \| moderate	28.156 \| fine	122.713 \| fine	29.594 \| good	2.054 \| good	19.991 \| good	0.422 \| good
2025-09-04T08:00:00.000Z	86 \| moderate	28.175 \| fine	121.973 \| fine	27.103 \| good	1.971 \| good	17.561 \| good	0.407 \| good
2025-09-04T09:00:00.000Z	88 \| moderate	28.763 \| fine	124.749 \| fine	25.371 \| good	1.888 \| good	15.13 \| good	0.393 \| good
2025-09-04T10:00:00.000Z	88 \| moderate	29.16 \| fine	126.911 \| fine	25.11 \| good	1.802 \| good	13.127 \| good	0.373 \| good
2025-09-04T11:00:00.000Z	88 \| moderate	29.083 \| fine	126.631 \| fine	25.403 \| good	1.715 \| good	11.123 \| good	0.353 \| good
2025-09-04T12:00:00.000Z	88 \| moderate	28.76 \| fine	125.594 \| fine	25.115 \| good	1.629 \| good	9.12 \| good	0.332 \| good
2025-09-04T13:00:00.000Z	88 \| moderate	29.064 \| fine	126.543 \| fine	20.338 \| good	1.577 \| good	9.703 \| good	0.338 \| good
2025-09-04T14:00:00.000Z	90 \| moderate	30.04 \| fine	130.576 \| fine	15.361 \| good	1.526 \| good	10.287 \| good	0.344 \| good
2025-09-04T15:00:00.000Z	88 \| moderate	28.764 \| fine	125.58 \| fine	19.01 \| good	1.475 \| good	10.87 \| good	0.35 \| good
2025-09-04T16:00:00.000Z	86 \| moderate	27.911 \| fine	120.68 \| fine	22.761 \| good	1.84 \| good	10.213 \| good	0.336 \| good
2025-09-04T17:00:00.000Z	82 \| moderate	26.103 \| fine	113.568 \| fine	28.326 \| good	2.205 \| good	9.555 \| good	0.322 \| good
2025-09-04T18:00:00.000Z	79 \| moderate	24.014 \| fine	104.665 \| fine	33.841 \| good	2.57 \| good	8.898 \| good	0.309 \| good
2025-09-04T19:00:00.000Z	77 \| moderate	23.198 \| fine	101.649 \| fine	39.834 \| good	2.489 \| good	8.427 \| good	0.299 \| good
2025-09-04T20:00:00.000Z	77 \| moderate	22.646 \| fine	98.742 \| fine	46.165 \| good	2.408 \| good	7.956 \| good	0.29 \| good
2025-09-04T21:00:00.000Z	75 \| moderate	22.261 \| fine	97.67 \| fine	55.626 \| fine	2.326 \| good	7.485 \| good	0.281 \| good
2025-09-04T22:00:00.000Z	71 \| moderate	20.24 \| fine	88.915 \| fine	60.296 \| fine	2.215 \| good	7.03 \| good	0.272 \| good
2025-09-04T23:00:00.000Z	67 \| moderate	17.955 \| fine	80.043 \| fine	59.47 \| fine	2.103 \| good	6.575 \| good	0.263 \| good
2025-09-05T00:00:00.000Z	64 \| moderate	16.166 \| fine	72.129 \| fine	52.058 \| good	1.992 \| good	6.119 \| good	0.254 \| good
2025-09-05T01:00:00.000Z	66 \| moderate	16.582 \| fine	73.912 \| fine	39.836 \| good	1.986 \| good	12.543 \| good	0.31 \| good
2025-09-05T02:00:00.000Z	67 \| moderate	18.401 \| fine	80.988 \| fine	31.656 \| good	1.981 \| good	18.967 \| good	0.366 \| good
2025-09-05T03:00:00.000Z	71 \| moderate	19.79 \| fine	86.988 \| fine	26.731 \| good	1.975 \| good	25.391 \| good	0.422 \| good
2025-09-05T04:00:00.000Z	71 \| moderate	19.637 \| fine	86.852 \| fine	22.447 \| good	1.987 \| good	26.85 \| good	0.444 \| good
2025-09-05T05:00:00.000Z	71 \| moderate	19.556 \| fine	86.74 \| fine	20.975 \| good	1.999 \| good	28.309 \| good	0.466 \| good
2025-09-05T06:00:00.000Z	69 \| moderate	19.427 \| fine	85.88 \| fine	21.794 \| good	2.011 \| good	29.768 \| good	0.489 \| good
2025-09-05T07:00:00.000Z	71 \| moderate	19.574 \| fine	86.039 \| fine	22.255 \| good	1.9 \| good	26.236 \| good	0.469 \| good
2025-09-05T08:00:00.000Z	71 \| moderate	19.574 \| fine	86.057 \| fine	23.58 \| good	1.788 \| good	22.705 \| good	0.449 \| good
2025-09-05T09:00:00.000Z	71 \| moderate	20.184 \| fine	88.76 \| fine	23.408 \| good	1.677 \| good	19.173 \| good	0.43 \| good
2025-09-05T10:00:00.000Z	73 \| moderate	21.238 \| fine	93.189 \| fine	21.684 \| good	1.56 \| good	16.248 \| good	0.408 \| good
2025-09-05T11:00:00.000Z	75 \| moderate	21.909 \| fine	96.182 \| fine	20.213 \| good	1.442 \| good	13.324 \| good	0.386 \| good
2025-09-05T12:00:00.000Z	79 \| moderate	23.699 \| fine	103.707 \| fine	19.918 \| good	1.324 \| good	10.4 \| good	0.364 \| good
2025-09-05T13:00:00.000Z	81 \| moderate	25.33 \| fine	110.834 \| fine	16.781 \| good	1.301 \| good	10.414 \| good	0.37 \| good
2025-09-05T14:00:00.000Z	86 \| moderate	27.578 \| fine	119.843 \| fine	12.852 \| good	1.277 \| good	10.427 \| good	0.376 \| good
2025-09-05T15:00:00.000Z	82 \| moderate	26.326 \| fine	114.965 \| fine	13.625 \| good	1.254 \| good	10.441 \| good	0.382 \| good
2025-09-05T16:00:00.000Z	79 \| moderate	24.388 \| fine	106.858 \| fine	18.377 \| good	1.512 \| good	9.458 \| good	0.363 \| good
2025-09-05T17:00:00.000Z	79 \| moderate	23.571 \| fine	103.703 \| fine	23.264 \| good	1.769 \| good	8.476 \| good	0.344 \| good
2025-09-05T18:00:00.000Z	77 \| moderate	23.246 \| fine	101.794 \| fine	31.089 \| good	2.027 \| good	7.493 \| good	0.325 \| good

Sammamish

Empower business decisions with accurate air quality data

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

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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 09:00:00, 2025-09-05.

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

The best air quality in Sammamish, Washington was observed at 12:00:00 on 2025-09-05.

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

The air quality in Sammamish, Washington right now is Moderate, with an AQI of 62.

What pollutant is most frequently found in Sammamish, Washington?

In Sammamish, Washington, PM2.5 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 15.209 μg/m³.

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

Sammamish, Washington currently has a PM₁₀ concentration of 60.768 μg/m³.

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

The current carbon monoxide (CO) level in Sammamish, Washington is 0.241 ppm.

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

The current sulfur dioxide (SO₂) concentration in Sammamish, Washington is 1.241 ppb.

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

Sammamish, Washington currently has an ozone (O₃) concentration of 17.142 ppm.

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

The current level of nitrogen dioxide (NO₂) in Sammamish, Washington is 13.091 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-04T00:00:00.000Z	77 \| moderate	22.879 \| fine	87.16 \| fine	48.918 \| good	0.5 \| good	9.52 \| good	0.223 \| good
2025-09-04T01:00:00.000Z	84 \| moderate	14.742 \| fine	122.075 \| fine	47.89 \| good	0.417 \| good	7.72 \| good	0.255 \| good
2025-09-04T02:00:00.000Z	69 \| moderate	18.838 \| fine	63.217 \| fine	42.986 \| good	0.428 \| good	11.874 \| good	0.26 \| good
2025-09-04T03:00:00.000Z	67 \| moderate	18.097 \| fine	72.424 \| fine	41.908 \| good	0.489 \| good	9.431 \| good	0.304 \| good
2025-09-04T04:00:00.000Z	77 \| moderate	23.215 \| fine	91.188 \| fine	39.962 \| good	0.634 \| good	10.262 \| good	0.262 \| good
2025-09-04T05:00:00.000Z	94 \| moderate	31.692 \| fine	133.691 \| fine	31.139 \| good	0.588 \| good	16.006 \| good	0.305 \| good
2025-09-04T06:00:00.000Z	82 \| moderate	26.396 \| fine	85.695 \| fine	23.177 \| good	0.499 \| good	18.421 \| good	0.294 \| good
2025-09-04T07:00:00.000Z	81 \| moderate	25.217 \| fine	88.306 \| fine	20.126 \| good	0.48 \| good	15.13 \| good	0.251 \| good
2025-09-04T08:00:00.000Z	82 \| moderate	25.768 \| fine	110.769 \| fine	14.239 \| good	0.416 \| good	8.573 \| good	0.209 \| good
2025-09-04T09:00:00.000Z	88 \| moderate	29.473 \| fine	58.969 \| fine	12.246 \| good	0.323 \| good	7.474 \| good	0.162 \| good
2025-09-04T10:00:00.000Z	66 \| moderate	17.355 \| fine	66.673 \| fine	10.999 \| good	0.451 \| good	6.464 \| good	0.162 \| good
2025-09-04T11:00:00.000Z	69 \| moderate	18.71 \| fine	80.713 \| fine	8.068 \| good	0.299 \| good	6.204 \| good	0.124 \| good
2025-09-04T12:00:00.000Z	64 \| moderate	15.868 \| fine	51.611 \| good	8.061 \| good	0.233 \| good	8.356 \| good	0.124 \| good
2025-09-04T13:00:00.000Z	82 \| moderate	25.994 \| fine	113.464 \| fine	16.041 \| good	1.392 \| good	10.839 \| good	0.352 \| good
2025-09-04T14:00:00.000Z	62 \| moderate	15.297 \| fine	45.531 \| good	5.13 \| good	0.224 \| good	10.116 \| good	0.192 \| good
2025-09-04T15:00:00.000Z	62 \| moderate	14.983 \| fine	60.496 \| fine	4.111 \| good	0.159 \| good	8.595 \| good	0.162 \| good
2025-09-04T16:00:00.000Z	44 \| good	8.402 \| good	30.062 \| good	5.035 \| good	0.354 \| good	8.27 \| good	0.213 \| good
2025-09-04T17:00:00.000Z	49 \| good	8.946 \| good	36.83 \| good	8.115 \| good	0.588 \| good	11.555 \| good	0.246 \| good
2025-09-04T18:00:00.000Z	60 \| moderate	13.775 \| fine	58.969 \| fine	9.02 \| good	0.643 \| good	12.606 \| good	0.2 \| good
2025-09-04T19:00:00.000Z	58 \| moderate	12.993 \| fine	64.115 \| fine	11.036 \| good	0.575 \| good	13.748 \| good	0.251 \| good
2025-09-04T20:00:00.000Z	52 \| moderate	10.421 \| good	44.108 \| good	14.049 \| good	0.623 \| good	11.432 \| good	0.2 \| good
2025-09-04T21:00:00.000Z	56 \| moderate	10.692 \| good	66.2 \| fine	18.993 \| good	0.63 \| good	14.449 \| good	0.251 \| good
2025-09-04T22:00:00.000Z	56 \| moderate	11.88 \| good	47.703 \| good	24.935 \| good	0.736 \| good	16.34 \| good	0.332 \| good
2025-09-04T23:00:00.000Z	56 \| moderate	12.143 \| fine	52.803 \| good	25.992 \| good	0.564 \| good	12.156 \| good	0.332 \| good
2025-09-05T00:00:00.000Z	54 \| moderate	11.418 \| good	49.537 \| good	27.085 \| good	0.579 \| good	10.263 \| good	0.287 \| good
2025-09-05T01:00:00.000Z	56 \| moderate	12.43 \| fine	54.664 \| good	22.728 \| good	0.597 \| good	12.914 \| good	0.292 \| good
2025-09-05T02:00:00.000Z	58 \| moderate	12.81 \| fine	48.573 \| good	20.081 \| good	0.664 \| good	13.496 \| good	0.33 \| good
2025-09-05T03:00:00.000Z	58 \| moderate	12.669 \| fine	39.567 \| good	19.139 \| good	0.638 \| good	15.368 \| good	0.286 \| good
2025-09-05T04:00:00.000Z	64 \| moderate	11.835 \| good	81.082 \| fine	17.078 \| good	0.558 \| good	16.491 \| good	0.289 \| good
2025-09-05T05:00:00.000Z	62 \| moderate	14.708 \| fine	65.42 \| fine	12.164 \| good	0.462 \| good	14.149 \| good	0.327 \| good
2025-09-05T06:00:00.000Z	71 \| moderate	19.614 \| fine	85.146 \| fine	9.29 \| good	0.652 \| good	13.081 \| good	0.372 \| good
2025-09-05T07:00:00.000Z	62 \| moderate	14.63 \| fine	51.843 \| good	9.222 \| good	0.398 \| good	17.341 \| good	0.284 \| good
2025-09-05T08:00:00.000Z	62 \| moderate	14.617 \| fine	47.272 \| good	4.386 \| good	0.39 \| good	18.542 \| good	0.2 \| good
2025-09-05T09:00:00.000Z	60 \| moderate	14.213 \| fine	73.284 \| fine	3.343 \| good	0.405 \| good	11.841 \| good	0.162 \| good
2025-09-05T10:00:00.000Z	60 \| moderate	14.327 \| fine	57.402 \| fine	2.178 \| good	0.414 \| good	10.251 \| good	0.162 \| good
2025-09-05T11:00:00.000Z	64 \| moderate	15.826 \| fine	52.778 \| good	3.015 \| good	0.378 \| good	9.976 \| good	0.169 \| good
2025-09-05T12:00:00.000Z	69 \| moderate	19.19 \| fine	60.739 \| fine	2.542 \| good	0.369 \| good	10.307 \| good	0.2 \| good
2025-09-05T13:00:00.000Z	74 \| moderate	20.815 \| fine	102.174 \| fine	2.209 \| good	0.298 \| good	9.613 \| good	0.194 \| good
2025-09-05T14:00:00.000Z	66 \| moderate	16.578 \| fine	65.252 \| fine	2.165 \| good	0.573 \| good	9.287 \| good	0.278 \| good
2025-09-05T15:00:00.000Z	64 \| moderate	12.258 \| fine	81.158 \| fine	2.079 \| good	0.603 \| good	9.758 \| good	0.278 \| good
2025-09-05T16:00:00.000Z	58 \| moderate	12.538 \| fine	64.114 \| fine	2.12 \| good	0.789 \| good	9.39 \| good	0.243 \| good
2025-09-05T17:00:00.000Z	66 \| moderate	13.116 \| fine	84.913 \| fine	3.13 \| good	0.846 \| good	10.566 \| good	0.287 \| good
2025-09-05T18:00:00.000Z	62 \| moderate	14.64 \| fine	69.861 \| fine	6.206 \| good	0.956 \| good	13.767 \| good	0.3 \| good
2025-09-05T19:00:00.000Z	58 \| moderate	12.902 \| fine	29.213 \| good	8.079 \| good	1.026 \| good	13.023 \| good	0.294 \| good
2025-09-05T20:00:00.000Z	69 \| moderate	19.051 \| fine	78.089 \| fine	9.113 \| good	0.761 \| good	8.979 \| good	0.249 \| good
2025-09-05T21:00:00.000Z	77 \| moderate	22.596 \| fine	94.143 \| fine	15.141 \| good	0.66 \| good	13.175 \| good	0.255 \| good
2025-09-05T22:00:00.000Z	66 \| moderate	17.47 \| fine	67.084 \| fine	17.011 \| good	1.187 \| good	12.753 \| good	0.243 \| good
2025-09-05T23:00:00.000Z	62 \| moderate	15.209 \| fine	60.768 \| fine	17.142 \| good	1.241 \| good	13.091 \| good	0.241 \| good
2025-09-03T19:00:00.000Z	64 \| moderate	16.208 \| fine	71.98 \| fine	40.53 \| good	1.309 \| good	6.149 \| good	0.298 \| good
2025-09-03T20:00:00.000Z	64 \| moderate	16.259 \| fine	72.882 \| fine	46.545 \| good	1.494 \| good	4.679 \| good	0.282 \| good
2025-09-03T21:00:00.000Z	66 \| moderate	16.811 \| fine	74.956 \| fine	53.613 \| good	1.679 \| good	3.208 \| good	0.265 \| good
2025-09-03T22:00:00.000Z	67 \| moderate	17.857 \| fine	79.063 \| fine	58.385 \| fine	1.802 \| good	3.115 \| good	0.258 \| good
2025-09-03T23:00:00.000Z	71 \| moderate	20.239 \| fine	89.091 \| fine	60.887 \| fine	1.925 \| good	3.022 \| good	0.252 \| good
2025-09-04T00:00:00.000Z	77 \| moderate	23.032 \| fine	100.1 \| fine	60.903 \| fine	2.048 \| good	2.928 \| good	0.246 \| good
2025-09-04T01:00:00.000Z	82 \| moderate	26.193 \| fine	113.849 \| fine	56.603 \| fine	2.129 \| good	8.007 \| good	0.29 \| good
2025-09-04T02:00:00.000Z	86 \| moderate	27.769 \| fine	120.927 \| fine	49.437 \| good	2.21 \| good	13.086 \| good	0.333 \| good
2025-09-04T03:00:00.000Z	86 \| moderate	28.32 \| fine	122.787 \| fine	42.07 \| good	2.291 \| good	18.164 \| good	0.377 \| good
2025-09-04T04:00:00.000Z	86 \| moderate	27.712 \| fine	120.734 \| fine	34.599 \| good	2.24 \| good	19.583 \| good	0.397 \| good
2025-09-04T05:00:00.000Z	84 \| moderate	27.237 \| fine	118.061 \| fine	31.658 \| good	2.188 \| good	21.002 \| good	0.416 \| good
2025-09-04T06:00:00.000Z	86 \| moderate	27.557 \| fine	119.877 \| fine	30.139 \| good	2.137 \| good	22.421 \| good	0.436 \| good
2025-09-04T07:00:00.000Z	86 \| moderate	28.156 \| fine	122.713 \| fine	29.594 \| good	2.054 \| good	19.991 \| good	0.422 \| good
2025-09-04T08:00:00.000Z	86 \| moderate	28.175 \| fine	121.973 \| fine	27.103 \| good	1.971 \| good	17.561 \| good	0.407 \| good
2025-09-04T09:00:00.000Z	88 \| moderate	28.763 \| fine	124.749 \| fine	25.371 \| good	1.888 \| good	15.13 \| good	0.393 \| good
2025-09-04T10:00:00.000Z	88 \| moderate	29.16 \| fine	126.911 \| fine	25.11 \| good	1.802 \| good	13.127 \| good	0.373 \| good
2025-09-04T11:00:00.000Z	88 \| moderate	29.083 \| fine	126.631 \| fine	25.403 \| good	1.715 \| good	11.123 \| good	0.353 \| good
2025-09-04T12:00:00.000Z	88 \| moderate	28.76 \| fine	125.594 \| fine	25.115 \| good	1.629 \| good	9.12 \| good	0.332 \| good
2025-09-04T13:00:00.000Z	88 \| moderate	29.064 \| fine	126.543 \| fine	20.338 \| good	1.577 \| good	9.703 \| good	0.338 \| good
2025-09-04T14:00:00.000Z	90 \| moderate	30.04 \| fine	130.576 \| fine	15.361 \| good	1.526 \| good	10.287 \| good	0.344 \| good
2025-09-04T15:00:00.000Z	88 \| moderate	28.764 \| fine	125.58 \| fine	19.01 \| good	1.475 \| good	10.87 \| good	0.35 \| good
2025-09-04T16:00:00.000Z	86 \| moderate	27.911 \| fine	120.68 \| fine	22.761 \| good	1.84 \| good	10.213 \| good	0.336 \| good
2025-09-04T17:00:00.000Z	82 \| moderate	26.103 \| fine	113.568 \| fine	28.326 \| good	2.205 \| good	9.555 \| good	0.322 \| good
2025-09-04T18:00:00.000Z	79 \| moderate	24.014 \| fine	104.665 \| fine	33.841 \| good	2.57 \| good	8.898 \| good	0.309 \| good
2025-09-04T19:00:00.000Z	77 \| moderate	23.198 \| fine	101.649 \| fine	39.834 \| good	2.489 \| good	8.427 \| good	0.299 \| good
2025-09-04T20:00:00.000Z	77 \| moderate	22.646 \| fine	98.742 \| fine	46.165 \| good	2.408 \| good	7.956 \| good	0.29 \| good
2025-09-04T21:00:00.000Z	75 \| moderate	22.261 \| fine	97.67 \| fine	55.626 \| fine	2.326 \| good	7.485 \| good	0.281 \| good
2025-09-04T22:00:00.000Z	71 \| moderate	20.24 \| fine	88.915 \| fine	60.296 \| fine	2.215 \| good	7.03 \| good	0.272 \| good
2025-09-04T23:00:00.000Z	67 \| moderate	17.955 \| fine	80.043 \| fine	59.47 \| fine	2.103 \| good	6.575 \| good	0.263 \| good
2025-09-05T00:00:00.000Z	64 \| moderate	16.166 \| fine	72.129 \| fine	52.058 \| good	1.992 \| good	6.119 \| good	0.254 \| good
2025-09-05T01:00:00.000Z	66 \| moderate	16.582 \| fine	73.912 \| fine	39.836 \| good	1.986 \| good	12.543 \| good	0.31 \| good
2025-09-05T02:00:00.000Z	67 \| moderate	18.401 \| fine	80.988 \| fine	31.656 \| good	1.981 \| good	18.967 \| good	0.366 \| good
2025-09-05T03:00:00.000Z	71 \| moderate	19.79 \| fine	86.988 \| fine	26.731 \| good	1.975 \| good	25.391 \| good	0.422 \| good
2025-09-05T04:00:00.000Z	71 \| moderate	19.637 \| fine	86.852 \| fine	22.447 \| good	1.987 \| good	26.85 \| good	0.444 \| good
2025-09-05T05:00:00.000Z	71 \| moderate	19.556 \| fine	86.74 \| fine	20.975 \| good	1.999 \| good	28.309 \| good	0.466 \| good
2025-09-05T06:00:00.000Z	69 \| moderate	19.427 \| fine	85.88 \| fine	21.794 \| good	2.011 \| good	29.768 \| good	0.489 \| good
2025-09-05T07:00:00.000Z	71 \| moderate	19.574 \| fine	86.039 \| fine	22.255 \| good	1.9 \| good	26.236 \| good	0.469 \| good
2025-09-05T08:00:00.000Z	71 \| moderate	19.574 \| fine	86.057 \| fine	23.58 \| good	1.788 \| good	22.705 \| good	0.449 \| good
2025-09-05T09:00:00.000Z	71 \| moderate	20.184 \| fine	88.76 \| fine	23.408 \| good	1.677 \| good	19.173 \| good	0.43 \| good
2025-09-05T10:00:00.000Z	73 \| moderate	21.238 \| fine	93.189 \| fine	21.684 \| good	1.56 \| good	16.248 \| good	0.408 \| good
2025-09-05T11:00:00.000Z	75 \| moderate	21.909 \| fine	96.182 \| fine	20.213 \| good	1.442 \| good	13.324 \| good	0.386 \| good
2025-09-05T12:00:00.000Z	79 \| moderate	23.699 \| fine	103.707 \| fine	19.918 \| good	1.324 \| good	10.4 \| good	0.364 \| good
2025-09-05T13:00:00.000Z	81 \| moderate	25.33 \| fine	110.834 \| fine	16.781 \| good	1.301 \| good	10.414 \| good	0.37 \| good
2025-09-05T14:00:00.000Z	86 \| moderate	27.578 \| fine	119.843 \| fine	12.852 \| good	1.277 \| good	10.427 \| good	0.376 \| good
2025-09-05T15:00:00.000Z	82 \| moderate	26.326 \| fine	114.965 \| fine	13.625 \| good	1.254 \| good	10.441 \| good	0.382 \| good
2025-09-05T16:00:00.000Z	79 \| moderate	24.388 \| fine	106.858 \| fine	18.377 \| good	1.512 \| good	9.458 \| good	0.363 \| good
2025-09-05T17:00:00.000Z	79 \| moderate	23.571 \| fine	103.703 \| fine	23.264 \| good	1.769 \| good	8.476 \| good	0.344 \| good
2025-09-05T18:00:00.000Z	77 \| moderate	23.246 \| fine	101.794 \| fine	31.089 \| good	2.027 \| good	7.493 \| good	0.325 \| 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

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

Air quality in nearby cities

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Redmond, Washington

Issaquah, Washington

Bellevue, Washington

Newcastle, Washington

Kirkland, Washington

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Air quality levels in US

Frequently asked questions

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

What pollutant is most frequently found in Sammamish, Washington?

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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?