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

Sammamish, Washington currently has a PM10 concentration of 10.664 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Sammamish, Washington is 0.463 ppb.

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

Sammamish, Washington currently has an ozone (O3) concentration of 12.72 ppm.

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

The current level of nitrogen dioxide (NO2) in Sammamish, Washington is 11.846 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 2.799 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)

2.80 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

10.66 μg/m³

155

255

425

605+

Ozone (O₃)

12.72 ppb

201

201+

Sulfur Dioxide (SO₂)

0.46 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

11.85 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.19 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
2026-08-10T19:00:00.000Z	27 \| good	5.208 \| good	20.056 \| good	18.669 \| good	0.337 \| good	8.006 \| good	0.227 \| good
2026-08-10T20:00:00.000Z	49 \| good	8.775 \| good	38.646 \| good	34.496 \| good	0.637 \| good	2.902 \| good	0.126 \| good
2026-08-10T21:00:00.000Z	49 \| good	8.717 \| good	38.112 \| good	38.478 \| good	0.591 \| good	2.097 \| good	0.119 \| good
2026-08-10T22:00:00.000Z	44 \| good	8.413 \| good	36.584 \| good	41.897 \| good	0.562 \| good	1.64 \| good	0.116 \| good
2026-08-10T23:00:00.000Z	44 \| good	7.893 \| good	34.978 \| good	43.451 \| good	0.524 \| good	1.338 \| good	0.112 \| good
2026-08-11T00:00:00.000Z	44 \| good	8.254 \| good	36.126 \| good	45.84 \| good	0.479 \| good	1.36 \| good	0.11 \| good
2026-08-11T01:00:00.000Z	38 \| good	7.211 \| good	31.661 \| good	40.252 \| good	0.456 \| good	1.555 \| good	0.11 \| good
2026-08-11T02:00:00.000Z	33 \| good	6.125 \| good	26.764 \| good	33.59 \| good	0.448 \| good	2.082 \| good	0.113 \| good
2026-08-11T03:00:00.000Z	33 \| good	6.334 \| good	27.549 \| good	23.044 \| good	0.46 \| good	4.309 \| good	0.128 \| good
2026-08-11T04:00:00.000Z	44 \| good	7.752 \| good	34.406 \| good	24.272 \| good	0.499 \| good	8.536 \| good	0.16 \| good
2026-08-11T05:00:00.000Z	38 \| good	6.966 \| good	31.045 \| good	19.847 \| good	0.542 \| good	9.101 \| good	0.165 \| good
2026-08-11T06:00:00.000Z	33 \| good	6.369 \| good	28.581 \| good	18.162 \| good	0.579 \| good	10.055 \| good	0.174 \| good
2026-08-11T07:00:00.000Z	27 \| good	4.689 \| good	19.13 \| good	17.233 \| good	0.275 \| good	5.331 \| good	0.105 \| good
2026-08-11T08:00:00.000Z	22 \| good	4.439 \| good	17.091 \| good	14.595 \| good	0.267 \| good	5.676 \| good	0.105 \| good
2026-08-11T09:00:00.000Z	30 \| good	4.183 \| good	31.711 \| good	11.329 \| good	0.127 \| good	4.687 \| good	0.107 \| good
2026-08-11T10:00:00.000Z	16 \| good	3.218 \| good	12.166 \| good	11.286 \| good	0.221 \| good	5.473 \| good	0.1 \| good
2026-08-11T11:00:00.000Z	22 \| good	3.702 \| good	15.853 \| good	8.919 \| good	0.21 \| good	6.218 \| good	0.1 \| good
2026-08-11T12:00:00.000Z	16 \| good	3.128 \| good	13.267 \| good	8.457 \| good	0.199 \| good	6.707 \| good	0.107 \| good
2026-08-11T13:00:00.000Z	17 \| good	3.438 \| good	17.575 \| good	8.262 \| good	0.182 \| good	6.788 \| good	0.107 \| good
2026-08-11T14:00:00.000Z	16 \| good	2.953 \| good	17.008 \| good	7.311 \| good	0.359 \| good	7.098 \| good	0.105 \| good
2026-08-11T15:00:00.000Z	16 \| good	2.713 \| good	11.585 \| good	7.881 \| good	0.362 \| good	5.128 \| good	0.105 \| good
2026-08-11T16:00:00.000Z	16 \| good	2.907 \| good	11.565 \| good	11.879 \| good	0.201 \| good	5.664 \| good	0.105 \| good
2026-08-11T17:00:00.000Z	22 \| good	3.851 \| good	15.249 \| good	11.96 \| good	0.347 \| good	11.478 \| good	0.142 \| good
2026-08-11T18:00:00.000Z	22 \| good	4.14 \| good	18.617 \| good	17.769 \| good	0.484 \| good	10.842 \| good	0.19 \| good
2026-08-11T19:00:00.000Z	22 \| good	4.075 \| good	15.409 \| good	21.379 \| good	0.889 \| good	10.974 \| good	0.141 \| good
2026-08-11T20:00:00.000Z	23 \| good	3.255 \| good	16.12 \| good	24.57 \| good	1.303 \| good	13.429 \| good	0.227 \| good
2026-08-11T21:00:00.000Z	27 \| good	3.764 \| good	17.267 \| good	29.251 \| good	0.96 \| good	12.566 \| good	0.146 \| good
2026-08-11T22:00:00.000Z	31 \| good	3.163 \| good	16.681 \| good	32.85 \| good	0.407 \| good	7.719 \| good	0.146 \| good
2026-08-11T23:00:00.000Z	31 \| good	3.669 \| good	14.368 \| good	33.914 \| good	0.218 \| good	7.628 \| good	0.183 \| good
2026-08-12T00:00:00.000Z	29 \| good	2.83 \| good	10.569 \| good	30.645 \| good	0.379 \| good	8.422 \| good	0.178 \| good
2026-08-12T01:00:00.000Z	30 \| good	3.565 \| good	12.289 \| good	32.249 \| good	0.365 \| good	9.698 \| good	0.178 \| good
2026-08-12T02:00:00.000Z	29 \| good	3.616 \| good	14.89 \| good	30.56 \| good	0.343 \| good	5.361 \| good	0.105 \| good
2026-08-12T03:00:00.000Z	27 \| good	4.886 \| good	21.948 \| good	23.471 \| good	0.467 \| good	4.006 \| good	0.115 \| good
2026-08-12T04:00:00.000Z	23 \| good	3.016 \| good	12.987 \| good	24.613 \| good	0.291 \| good	5.302 \| good	0.1 \| good
2026-08-12T05:00:00.000Z	19 \| good	2.794 \| good	12.355 \| good	21.216 \| good	0.301 \| good	11.893 \| good	0.19 \| good
2026-08-12T06:00:00.000Z	18 \| good	3.073 \| good	14.124 \| good	19.277 \| good	0.38 \| good	8.123 \| good	0.137 \| good
2026-08-12T07:00:00.000Z	18 \| good	3.242 \| good	14.694 \| good	18.703 \| good	0.382 \| good	8.268 \| good	0.137 \| good
2026-08-12T08:00:00.000Z	16 \| good	3.178 \| good	10.443 \| good	13.116 \| good	0.132 \| good	11.835 \| good	0.121 \| good
2026-08-12T09:00:00.000Z	16 \| good	2.754 \| good	9.697 \| good	12.07 \| good	0.266 \| good	10.096 \| good	0.121 \| good
2026-08-12T10:00:00.000Z	11 \| good	2.383 \| good	10.955 \| good	12.187 \| good	0.269 \| good	9.902 \| good	0.107 \| good
2026-08-12T11:00:00.000Z	11 \| good	1.834 \| good	7.996 \| good	11.957 \| good	0.188 \| good	8.937 \| good	0.114 \| good
2026-08-12T12:00:00.000Z	11 \| good	2.459 \| good	9.749 \| good	7.607 \| good	0.117 \| good	7.662 \| good	0.109 \| good
2026-08-12T13:00:00.000Z	11 \| good	2.236 \| good	11.609 \| good	7.552 \| good	0.117 \| good	9.088 \| good	0.109 \| good
2026-08-12T14:00:00.000Z	22 \| good	3.5 \| good	13.795 \| good	9.303 \| good	0.262 \| good	9.297 \| good	0.109 \| good
2026-08-12T15:00:00.000Z	22 \| good	3.714 \| good	12.952 \| good	7.818 \| good	0.257 \| good	9.146 \| good	0.146 \| good
2026-08-12T16:00:00.000Z	16 \| good	2.848 \| good	11.85 \| good	11.648 \| good	0.25 \| good	7.295 \| good	0.109 \| good
2026-08-12T17:00:00.000Z	16 \| good	2.799 \| good	10.664 \| good	12.72 \| good	0.463 \| good	11.846 \| good	0.19 \| good
2026-08-12T18:00:00.000Z	16 \| good	2.666 \| good	13.726 \| good	16.429 \| good	0.424 \| good	10.755 \| good	0.141 \| good
2026-08-12T18:00:00.000Z	16 \| good	2.799 \| good	10.664 \| good	12.72 \| good	0.463 \| good	11.846 \| good	0.19 \| good
2026-08-12T19:00:00.000Z	38 \| good	7.285 \| good	32.086 \| good	35.162 \| good	0.846 \| good	5.683 \| good	0.118 \| good
2026-08-12T20:00:00.000Z	44 \| good	7.882 \| good	34.621 \| good	39.928 \| good	0.8 \| good	4.629 \| good	0.11 \| good
2026-08-12T21:00:00.000Z	44 \| good	7.84 \| good	34.948 \| good	43.908 \| good	0.755 \| good	3.796 \| good	0.105 \| good
2026-08-12T22:00:00.000Z	44 \| good	7.527 \| good	33.907 \| good	46.888 \| good	0.743 \| good	3.401 \| good	0.102 \| good
2026-08-12T23:00:00.000Z	44 \| good	8.074 \| good	36.423 \| good	46.001 \| good	0.697 \| good	2.763 \| good	0.099 \| good
2026-08-13T00:00:00.000Z	60 \| moderate	13.623 \| fine	60.757 \| fine	45.113 \| good	0.675 \| good	2.557 \| good	0.098 \| good
2026-08-13T01:00:00.000Z	86 \| moderate	28.484 \| fine	124.113 \| fine	42.126 \| good	0.669 \| good	2.887 \| good	0.099 \| good
2026-08-13T02:00:00.000Z	105 \| sensitive	37.209 \| moderate	163.597 \| moderate	37.097 \| good	0.674 \| good	3.424 \| good	0.103 \| good
2026-08-13T03:00:00.000Z	107 \| sensitive	38.152 \| moderate	167.466 \| moderate	28.333 \| good	0.724 \| good	4.322 \| good	0.107 \| good
2026-08-13T04:00:00.000Z	100 \| moderate	35.25 \| fine	153.898 \| fine	24.692 \| good	0.773 \| good	5.619 \| good	0.115 \| good
2026-08-13T05:00:00.000Z	96 \| moderate	33.125 \| fine	143.29 \| fine	19.992 \| good	0.816 \| good	7.584 \| good	0.13 \| good
2026-08-13T06:00:00.000Z	94 \| moderate	32.415 \| fine	140.235 \| fine	19.436 \| good	0.836 \| good	9.776 \| good	0.149 \| good
2026-08-13T07:00:00.000Z	96 \| moderate	32.814 \| fine	141.337 \| fine	19.011 \| good	0.79 \| good	14.655 \| good	0.193 \| good
2026-08-13T08:00:00.000Z	100 \| moderate	35.303 \| fine	153.298 \| fine	18.533 \| good	0.661 \| good	16.689 \| good	0.223 \| good
2026-08-13T09:00:00.000Z	107 \| sensitive	37.73 \| moderate	165.86 \| moderate	17.01 \| good	0.54 \| good	16.777 \| good	0.237 \| good
2026-08-13T10:00:00.000Z	112 \| sensitive	40.091 \| moderate	177.403 \| moderate	14.438 \| good	0.476 \| good	14.513 \| good	0.227 \| good
2026-08-13T11:00:00.000Z	115 \| sensitive	40.93 \| moderate	181.338 \| moderate	10.944 \| good	0.486 \| good	10.313 \| good	0.195 \| good
2026-08-13T12:00:00.000Z	110 \| sensitive	39.345 \| moderate	173.993 \| moderate	9.136 \| good	0.439 \| good	8.41 \| good	0.182 \| good
2026-08-13T13:00:00.000Z	102 \| sensitive	35.598 \| moderate	154.322 \| fine	7.201 \| good	0.397 \| good	7.155 \| good	0.177 \| good
2026-08-13T14:00:00.000Z	88 \| moderate	28.708 \| fine	124.441 \| fine	9.456 \| good	0.346 \| good	6.297 \| good	0.178 \| good
2026-08-13T15:00:00.000Z	84 \| moderate	26.655 \| fine	115.723 \| fine	15.621 \| good	0.342 \| good	5.865 \| good	0.186 \| good
2026-08-13T16:00:00.000Z	90 \| moderate	29.56 \| fine	128.679 \| fine	20.722 \| good	0.527 \| good	4.882 \| good	0.168 \| good
2026-08-13T17:00:00.000Z	99 \| moderate	35.046 \| fine	152.413 \| fine	28.04 \| good	0.696 \| good	4.924 \| good	0.153 \| good
2026-08-13T18:00:00.000Z	105 \| sensitive	37.421 \| moderate	163.952 \| moderate	33.803 \| good	0.798 \| good	4.026 \| good	0.141 \| good
2026-08-13T19:00:00.000Z	115 \| sensitive	40.677 \| moderate	180.846 \| moderate	39.866 \| good	0.836 \| good	3.252 \| good	0.141 \| good
2026-08-13T20:00:00.000Z	125 \| sensitive	45.261 \| moderate	202.861 \| moderate	46.607 \| good	0.848 \| good	2.807 \| good	0.141 \| good
2026-08-13T21:00:00.000Z	132 \| sensitive	48.406 \| moderate	217.929 \| moderate	52.512 \| good	0.853 \| good	2.414 \| good	0.14 \| good
2026-08-13T22:00:00.000Z	137 \| sensitive	49.792 \| moderate	225.732 \| moderate	56.597 \| fine	0.853 \| good	2.184 \| good	0.137 \| good
2026-08-13T23:00:00.000Z	137 \| sensitive	50.012 \| moderate	225.909 \| moderate	58.997 \| fine	0.856 \| good	2.062 \| good	0.134 \| good
2026-08-14T00:00:00.000Z	137 \| sensitive	49.673 \| moderate	224.811 \| moderate	59.755 \| fine	0.858 \| good	2.066 \| good	0.132 \| good
2026-08-14T01:00:00.000Z	132 \| sensitive	48.151 \| moderate	216.964 \| moderate	56.501 \| fine	0.848 \| good	2.303 \| good	0.134 \| good
2026-08-14T02:00:00.000Z	132 \| sensitive	48.042 \| moderate	216.956 \| moderate	45.39 \| good	0.847 \| good	3.572 \| good	0.142 \| good
2026-08-14T03:00:00.000Z	137 \| sensitive	49.948 \| moderate	225.924 \| moderate	36.944 \| good	0.91 \| good	6.154 \| good	0.161 \| good
2026-08-14T04:00:00.000Z	137 \| sensitive	50.052 \| moderate	226.81 \| moderate	32.566 \| good	0.977 \| good	8.732 \| good	0.182 \| good
2026-08-14T05:00:00.000Z	139 \| sensitive	51.013 \| moderate	231.761 \| moderate	30.377 \| good	0.999 \| good	12.652 \| good	0.214 \| good
2026-08-14T06:00:00.000Z	142 \| sensitive	51.914 \| moderate	235.838 \| moderate	29.527 \| good	0.946 \| good	15.718 \| good	0.235 \| good
2026-08-14T07:00:00.000Z	139 \| sensitive	51.33 \| moderate	232.212 \| moderate	28.327 \| good	0.824 \| good	18.221 \| good	0.253 \| good
2026-08-14T08:00:00.000Z	137 \| sensitive	50.199 \| moderate	227.168 \| moderate	27.172 \| good	0.668 \| good	18.876 \| good	0.257 \| good
2026-08-14T09:00:00.000Z	142 \| sensitive	51.977 \| moderate	235.981 \| moderate	25.235 \| good	0.525 \| good	18.2 \| good	0.25 \| good
2026-08-14T10:00:00.000Z	149 \| sensitive	55.336 \| moderate	252.001 \| moderate	21.867 \| good	0.392 \| good	17.093 \| good	0.239 \| good
2026-08-14T11:00:00.000Z	149 \| sensitive	54.594 \| moderate	247.465 \| moderate	18.203 \| good	0.302 \| good	15.636 \| good	0.227 \| good
2026-08-14T12:00:00.000Z	132 \| sensitive	47.73 \| moderate	215.5 \| moderate	14.833 \| good	0.347 \| good	13.796 \| good	0.225 \| good
2026-08-14T13:00:00.000Z	112 \| sensitive	39.991 \| moderate	177.308 \| moderate	14.674 \| good	0.407 \| good	12.585 \| good	0.246 \| good
2026-08-14T14:00:00.000Z	100 \| moderate	35.334 \| fine	152.97 \| fine	14.102 \| good	0.488 \| good	11.364 \| good	0.285 \| good
2026-08-14T15:00:00.000Z	90 \| moderate	30.112 \| fine	130.989 \| fine	17.503 \| good	0.597 \| good	10.374 \| good	0.319 \| good
2026-08-14T16:00:00.000Z	92 \| moderate	30.54 \| fine	132.099 \| fine	21.373 \| good	0.632 \| good	9.236 \| good	0.243 \| good
2026-08-14T17:00:00.000Z	94 \| moderate	32.32 \| fine	139.933 \| fine	28.922 \| good	0.618 \| good	8.027 \| good	0.194 \| good
2026-08-14T18:00:00.000Z	100 \| moderate	35.239 \| fine	152.963 \| fine	35.94 \| good	0.582 \| good	6.931 \| good	0.164 \| good

Sammamish

Empower business decisions with accurate air quality data

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

0.19ppm

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

Air quality levels in US

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

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

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 11:00:00, 2026-08-11.

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

The best air quality in Sammamish, Washington was observed at 01:00:00 on 2026-08-12.

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

The air quality in Sammamish, Washington right now is Good, with an AQI of 16.

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 2.799 μg/m³.

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

Sammamish, Washington currently has a PM₁₀ concentration of 10.664 μg/m³.

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

The current carbon monoxide (CO) level in Sammamish, Washington is 0.19 ppm.

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

The current sulfur dioxide (SO₂) concentration in Sammamish, Washington is 0.463 ppb.

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

Sammamish, Washington currently has an ozone (O₃) concentration of 12.72 ppm.

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

The current level of nitrogen dioxide (NO₂) in Sammamish, Washington is 11.846 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-08-10T19:00:00.000Z	27 \| good	5.208 \| good	20.056 \| good	18.669 \| good	0.337 \| good	8.006 \| good	0.227 \| good
2026-08-10T20:00:00.000Z	49 \| good	8.775 \| good	38.646 \| good	34.496 \| good	0.637 \| good	2.902 \| good	0.126 \| good
2026-08-10T21:00:00.000Z	49 \| good	8.717 \| good	38.112 \| good	38.478 \| good	0.591 \| good	2.097 \| good	0.119 \| good
2026-08-10T22:00:00.000Z	44 \| good	8.413 \| good	36.584 \| good	41.897 \| good	0.562 \| good	1.64 \| good	0.116 \| good
2026-08-10T23:00:00.000Z	44 \| good	7.893 \| good	34.978 \| good	43.451 \| good	0.524 \| good	1.338 \| good	0.112 \| good
2026-08-11T00:00:00.000Z	44 \| good	8.254 \| good	36.126 \| good	45.84 \| good	0.479 \| good	1.36 \| good	0.11 \| good
2026-08-11T01:00:00.000Z	38 \| good	7.211 \| good	31.661 \| good	40.252 \| good	0.456 \| good	1.555 \| good	0.11 \| good
2026-08-11T02:00:00.000Z	33 \| good	6.125 \| good	26.764 \| good	33.59 \| good	0.448 \| good	2.082 \| good	0.113 \| good
2026-08-11T03:00:00.000Z	33 \| good	6.334 \| good	27.549 \| good	23.044 \| good	0.46 \| good	4.309 \| good	0.128 \| good
2026-08-11T04:00:00.000Z	44 \| good	7.752 \| good	34.406 \| good	24.272 \| good	0.499 \| good	8.536 \| good	0.16 \| good
2026-08-11T05:00:00.000Z	38 \| good	6.966 \| good	31.045 \| good	19.847 \| good	0.542 \| good	9.101 \| good	0.165 \| good
2026-08-11T06:00:00.000Z	33 \| good	6.369 \| good	28.581 \| good	18.162 \| good	0.579 \| good	10.055 \| good	0.174 \| good
2026-08-11T07:00:00.000Z	27 \| good	4.689 \| good	19.13 \| good	17.233 \| good	0.275 \| good	5.331 \| good	0.105 \| good
2026-08-11T08:00:00.000Z	22 \| good	4.439 \| good	17.091 \| good	14.595 \| good	0.267 \| good	5.676 \| good	0.105 \| good
2026-08-11T09:00:00.000Z	30 \| good	4.183 \| good	31.711 \| good	11.329 \| good	0.127 \| good	4.687 \| good	0.107 \| good
2026-08-11T10:00:00.000Z	16 \| good	3.218 \| good	12.166 \| good	11.286 \| good	0.221 \| good	5.473 \| good	0.1 \| good
2026-08-11T11:00:00.000Z	22 \| good	3.702 \| good	15.853 \| good	8.919 \| good	0.21 \| good	6.218 \| good	0.1 \| good
2026-08-11T12:00:00.000Z	16 \| good	3.128 \| good	13.267 \| good	8.457 \| good	0.199 \| good	6.707 \| good	0.107 \| good
2026-08-11T13:00:00.000Z	17 \| good	3.438 \| good	17.575 \| good	8.262 \| good	0.182 \| good	6.788 \| good	0.107 \| good
2026-08-11T14:00:00.000Z	16 \| good	2.953 \| good	17.008 \| good	7.311 \| good	0.359 \| good	7.098 \| good	0.105 \| good
2026-08-11T15:00:00.000Z	16 \| good	2.713 \| good	11.585 \| good	7.881 \| good	0.362 \| good	5.128 \| good	0.105 \| good
2026-08-11T16:00:00.000Z	16 \| good	2.907 \| good	11.565 \| good	11.879 \| good	0.201 \| good	5.664 \| good	0.105 \| good
2026-08-11T17:00:00.000Z	22 \| good	3.851 \| good	15.249 \| good	11.96 \| good	0.347 \| good	11.478 \| good	0.142 \| good
2026-08-11T18:00:00.000Z	22 \| good	4.14 \| good	18.617 \| good	17.769 \| good	0.484 \| good	10.842 \| good	0.19 \| good
2026-08-11T19:00:00.000Z	22 \| good	4.075 \| good	15.409 \| good	21.379 \| good	0.889 \| good	10.974 \| good	0.141 \| good
2026-08-11T20:00:00.000Z	23 \| good	3.255 \| good	16.12 \| good	24.57 \| good	1.303 \| good	13.429 \| good	0.227 \| good
2026-08-11T21:00:00.000Z	27 \| good	3.764 \| good	17.267 \| good	29.251 \| good	0.96 \| good	12.566 \| good	0.146 \| good
2026-08-11T22:00:00.000Z	31 \| good	3.163 \| good	16.681 \| good	32.85 \| good	0.407 \| good	7.719 \| good	0.146 \| good
2026-08-11T23:00:00.000Z	31 \| good	3.669 \| good	14.368 \| good	33.914 \| good	0.218 \| good	7.628 \| good	0.183 \| good
2026-08-12T00:00:00.000Z	29 \| good	2.83 \| good	10.569 \| good	30.645 \| good	0.379 \| good	8.422 \| good	0.178 \| good
2026-08-12T01:00:00.000Z	30 \| good	3.565 \| good	12.289 \| good	32.249 \| good	0.365 \| good	9.698 \| good	0.178 \| good
2026-08-12T02:00:00.000Z	29 \| good	3.616 \| good	14.89 \| good	30.56 \| good	0.343 \| good	5.361 \| good	0.105 \| good
2026-08-12T03:00:00.000Z	27 \| good	4.886 \| good	21.948 \| good	23.471 \| good	0.467 \| good	4.006 \| good	0.115 \| good
2026-08-12T04:00:00.000Z	23 \| good	3.016 \| good	12.987 \| good	24.613 \| good	0.291 \| good	5.302 \| good	0.1 \| good
2026-08-12T05:00:00.000Z	19 \| good	2.794 \| good	12.355 \| good	21.216 \| good	0.301 \| good	11.893 \| good	0.19 \| good
2026-08-12T06:00:00.000Z	18 \| good	3.073 \| good	14.124 \| good	19.277 \| good	0.38 \| good	8.123 \| good	0.137 \| good
2026-08-12T07:00:00.000Z	18 \| good	3.242 \| good	14.694 \| good	18.703 \| good	0.382 \| good	8.268 \| good	0.137 \| good
2026-08-12T08:00:00.000Z	16 \| good	3.178 \| good	10.443 \| good	13.116 \| good	0.132 \| good	11.835 \| good	0.121 \| good
2026-08-12T09:00:00.000Z	16 \| good	2.754 \| good	9.697 \| good	12.07 \| good	0.266 \| good	10.096 \| good	0.121 \| good
2026-08-12T10:00:00.000Z	11 \| good	2.383 \| good	10.955 \| good	12.187 \| good	0.269 \| good	9.902 \| good	0.107 \| good
2026-08-12T11:00:00.000Z	11 \| good	1.834 \| good	7.996 \| good	11.957 \| good	0.188 \| good	8.937 \| good	0.114 \| good
2026-08-12T12:00:00.000Z	11 \| good	2.459 \| good	9.749 \| good	7.607 \| good	0.117 \| good	7.662 \| good	0.109 \| good
2026-08-12T13:00:00.000Z	11 \| good	2.236 \| good	11.609 \| good	7.552 \| good	0.117 \| good	9.088 \| good	0.109 \| good
2026-08-12T14:00:00.000Z	22 \| good	3.5 \| good	13.795 \| good	9.303 \| good	0.262 \| good	9.297 \| good	0.109 \| good
2026-08-12T15:00:00.000Z	22 \| good	3.714 \| good	12.952 \| good	7.818 \| good	0.257 \| good	9.146 \| good	0.146 \| good
2026-08-12T16:00:00.000Z	16 \| good	2.848 \| good	11.85 \| good	11.648 \| good	0.25 \| good	7.295 \| good	0.109 \| good
2026-08-12T17:00:00.000Z	16 \| good	2.799 \| good	10.664 \| good	12.72 \| good	0.463 \| good	11.846 \| good	0.19 \| good
2026-08-12T18:00:00.000Z	16 \| good	2.666 \| good	13.726 \| good	16.429 \| good	0.424 \| good	10.755 \| good	0.141 \| good
2026-08-12T18:00:00.000Z	16 \| good	2.799 \| good	10.664 \| good	12.72 \| good	0.463 \| good	11.846 \| good	0.19 \| good
2026-08-12T19:00:00.000Z	38 \| good	7.285 \| good	32.086 \| good	35.162 \| good	0.846 \| good	5.683 \| good	0.118 \| good
2026-08-12T20:00:00.000Z	44 \| good	7.882 \| good	34.621 \| good	39.928 \| good	0.8 \| good	4.629 \| good	0.11 \| good
2026-08-12T21:00:00.000Z	44 \| good	7.84 \| good	34.948 \| good	43.908 \| good	0.755 \| good	3.796 \| good	0.105 \| good
2026-08-12T22:00:00.000Z	44 \| good	7.527 \| good	33.907 \| good	46.888 \| good	0.743 \| good	3.401 \| good	0.102 \| good
2026-08-12T23:00:00.000Z	44 \| good	8.074 \| good	36.423 \| good	46.001 \| good	0.697 \| good	2.763 \| good	0.099 \| good
2026-08-13T00:00:00.000Z	60 \| moderate	13.623 \| fine	60.757 \| fine	45.113 \| good	0.675 \| good	2.557 \| good	0.098 \| good
2026-08-13T01:00:00.000Z	86 \| moderate	28.484 \| fine	124.113 \| fine	42.126 \| good	0.669 \| good	2.887 \| good	0.099 \| good
2026-08-13T02:00:00.000Z	105 \| sensitive	37.209 \| moderate	163.597 \| moderate	37.097 \| good	0.674 \| good	3.424 \| good	0.103 \| good
2026-08-13T03:00:00.000Z	107 \| sensitive	38.152 \| moderate	167.466 \| moderate	28.333 \| good	0.724 \| good	4.322 \| good	0.107 \| good
2026-08-13T04:00:00.000Z	100 \| moderate	35.25 \| fine	153.898 \| fine	24.692 \| good	0.773 \| good	5.619 \| good	0.115 \| good
2026-08-13T05:00:00.000Z	96 \| moderate	33.125 \| fine	143.29 \| fine	19.992 \| good	0.816 \| good	7.584 \| good	0.13 \| good
2026-08-13T06:00:00.000Z	94 \| moderate	32.415 \| fine	140.235 \| fine	19.436 \| good	0.836 \| good	9.776 \| good	0.149 \| good
2026-08-13T07:00:00.000Z	96 \| moderate	32.814 \| fine	141.337 \| fine	19.011 \| good	0.79 \| good	14.655 \| good	0.193 \| good
2026-08-13T08:00:00.000Z	100 \| moderate	35.303 \| fine	153.298 \| fine	18.533 \| good	0.661 \| good	16.689 \| good	0.223 \| good
2026-08-13T09:00:00.000Z	107 \| sensitive	37.73 \| moderate	165.86 \| moderate	17.01 \| good	0.54 \| good	16.777 \| good	0.237 \| good
2026-08-13T10:00:00.000Z	112 \| sensitive	40.091 \| moderate	177.403 \| moderate	14.438 \| good	0.476 \| good	14.513 \| good	0.227 \| good
2026-08-13T11:00:00.000Z	115 \| sensitive	40.93 \| moderate	181.338 \| moderate	10.944 \| good	0.486 \| good	10.313 \| good	0.195 \| good
2026-08-13T12:00:00.000Z	110 \| sensitive	39.345 \| moderate	173.993 \| moderate	9.136 \| good	0.439 \| good	8.41 \| good	0.182 \| good
2026-08-13T13:00:00.000Z	102 \| sensitive	35.598 \| moderate	154.322 \| fine	7.201 \| good	0.397 \| good	7.155 \| good	0.177 \| good
2026-08-13T14:00:00.000Z	88 \| moderate	28.708 \| fine	124.441 \| fine	9.456 \| good	0.346 \| good	6.297 \| good	0.178 \| good
2026-08-13T15:00:00.000Z	84 \| moderate	26.655 \| fine	115.723 \| fine	15.621 \| good	0.342 \| good	5.865 \| good	0.186 \| good
2026-08-13T16:00:00.000Z	90 \| moderate	29.56 \| fine	128.679 \| fine	20.722 \| good	0.527 \| good	4.882 \| good	0.168 \| good
2026-08-13T17:00:00.000Z	99 \| moderate	35.046 \| fine	152.413 \| fine	28.04 \| good	0.696 \| good	4.924 \| good	0.153 \| good
2026-08-13T18:00:00.000Z	105 \| sensitive	37.421 \| moderate	163.952 \| moderate	33.803 \| good	0.798 \| good	4.026 \| good	0.141 \| good
2026-08-13T19:00:00.000Z	115 \| sensitive	40.677 \| moderate	180.846 \| moderate	39.866 \| good	0.836 \| good	3.252 \| good	0.141 \| good
2026-08-13T20:00:00.000Z	125 \| sensitive	45.261 \| moderate	202.861 \| moderate	46.607 \| good	0.848 \| good	2.807 \| good	0.141 \| good
2026-08-13T21:00:00.000Z	132 \| sensitive	48.406 \| moderate	217.929 \| moderate	52.512 \| good	0.853 \| good	2.414 \| good	0.14 \| good
2026-08-13T22:00:00.000Z	137 \| sensitive	49.792 \| moderate	225.732 \| moderate	56.597 \| fine	0.853 \| good	2.184 \| good	0.137 \| good
2026-08-13T23:00:00.000Z	137 \| sensitive	50.012 \| moderate	225.909 \| moderate	58.997 \| fine	0.856 \| good	2.062 \| good	0.134 \| good
2026-08-14T00:00:00.000Z	137 \| sensitive	49.673 \| moderate	224.811 \| moderate	59.755 \| fine	0.858 \| good	2.066 \| good	0.132 \| good
2026-08-14T01:00:00.000Z	132 \| sensitive	48.151 \| moderate	216.964 \| moderate	56.501 \| fine	0.848 \| good	2.303 \| good	0.134 \| good
2026-08-14T02:00:00.000Z	132 \| sensitive	48.042 \| moderate	216.956 \| moderate	45.39 \| good	0.847 \| good	3.572 \| good	0.142 \| good
2026-08-14T03:00:00.000Z	137 \| sensitive	49.948 \| moderate	225.924 \| moderate	36.944 \| good	0.91 \| good	6.154 \| good	0.161 \| good
2026-08-14T04:00:00.000Z	137 \| sensitive	50.052 \| moderate	226.81 \| moderate	32.566 \| good	0.977 \| good	8.732 \| good	0.182 \| good
2026-08-14T05:00:00.000Z	139 \| sensitive	51.013 \| moderate	231.761 \| moderate	30.377 \| good	0.999 \| good	12.652 \| good	0.214 \| good
2026-08-14T06:00:00.000Z	142 \| sensitive	51.914 \| moderate	235.838 \| moderate	29.527 \| good	0.946 \| good	15.718 \| good	0.235 \| good
2026-08-14T07:00:00.000Z	139 \| sensitive	51.33 \| moderate	232.212 \| moderate	28.327 \| good	0.824 \| good	18.221 \| good	0.253 \| good
2026-08-14T08:00:00.000Z	137 \| sensitive	50.199 \| moderate	227.168 \| moderate	27.172 \| good	0.668 \| good	18.876 \| good	0.257 \| good
2026-08-14T09:00:00.000Z	142 \| sensitive	51.977 \| moderate	235.981 \| moderate	25.235 \| good	0.525 \| good	18.2 \| good	0.25 \| good
2026-08-14T10:00:00.000Z	149 \| sensitive	55.336 \| moderate	252.001 \| moderate	21.867 \| good	0.392 \| good	17.093 \| good	0.239 \| good
2026-08-14T11:00:00.000Z	149 \| sensitive	54.594 \| moderate	247.465 \| moderate	18.203 \| good	0.302 \| good	15.636 \| good	0.227 \| good
2026-08-14T12:00:00.000Z	132 \| sensitive	47.73 \| moderate	215.5 \| moderate	14.833 \| good	0.347 \| good	13.796 \| good	0.225 \| good
2026-08-14T13:00:00.000Z	112 \| sensitive	39.991 \| moderate	177.308 \| moderate	14.674 \| good	0.407 \| good	12.585 \| good	0.246 \| good
2026-08-14T14:00:00.000Z	100 \| moderate	35.334 \| fine	152.97 \| fine	14.102 \| good	0.488 \| good	11.364 \| good	0.285 \| good
2026-08-14T15:00:00.000Z	90 \| moderate	30.112 \| fine	130.989 \| fine	17.503 \| good	0.597 \| good	10.374 \| good	0.319 \| good
2026-08-14T16:00:00.000Z	92 \| moderate	30.54 \| fine	132.099 \| fine	21.373 \| good	0.632 \| good	9.236 \| good	0.243 \| good
2026-08-14T17:00:00.000Z	94 \| moderate	32.32 \| fine	139.933 \| fine	28.922 \| good	0.618 \| good	8.027 \| good	0.194 \| good
2026-08-14T18:00:00.000Z	100 \| moderate	35.239 \| fine	152.963 \| fine	35.94 \| good	0.582 \| good	6.931 \| good	0.164 \| 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?