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

Monroe, Washington currently has a PM10 concentration of 13.328 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Monroe, Washington is 0.297 ppb.

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

Monroe, Washington currently has an ozone (O3) concentration of 17.773 ppm.

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

The current level of nitrogen dioxide (NO2) in Monroe, Washington is 7.274 ppb.

Current air quality index in Monroe, Washington today

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

Monroe, Washington currently has a PM2.5 concentration of 2.781 μg/m3.

Stay updated with real-time air quality in Monroe, 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

Monroe, Washington

Last updated: ... (Local time)

Common air pollutants in Monroe, Washington

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

2.78 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

13.33 μg/m³

155

255

425

605+

Ozone (O₃)

17.77 ppb

201

201+

Sulfur Dioxide (SO₂)

0.30 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

7.27 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.14 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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Monroe, Washington

Scroll To Air Quality Map

Track live Monroe, Washington air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-08-15T14:00:00.000Z	58 \| moderate	13.032 \| fine	51.732 \| good	10.7 \| good	0.293 \| good	5.991 \| good	0.144 \| good
2026-08-15T15:00:00.000Z	54 \| moderate	11.313 \| good	24.034 \| good	13.44 \| good	0.214 \| good	5.874 \| good	0.144 \| good
2026-08-15T16:00:00.000Z	58 \| moderate	12.634 \| fine	25.224 \| good	15.734 \| good	0.321 \| good	7.448 \| good	0.187 \| good
2026-08-15T17:00:00.000Z	33 \| good	5.7 \| good	21.056 \| good	14.095 \| good	0.321 \| good	4.719 \| good	0.187 \| good
2026-08-15T18:00:00.000Z	33 \| good	5.844 \| good	34.342 \| good	12.056 \| good	0.26 \| good	4.566 \| good	0.154 \| good
2026-08-15T19:00:00.000Z	60 \| moderate	5.258 \| good	74.083 \| fine	11.338 \| good	0.301 \| good	3.861 \| good	0.154 \| good
2026-08-15T20:00:00.000Z	76 \| moderate	12.058 \| good	106.061 \| fine	22.553 \| good	0.3 \| good	3.991 \| good	0.154 \| good
2026-08-15T21:00:00.000Z	66 \| moderate	12.299 \| fine	86.246 \| fine	30.168 \| good	0.258 \| good	4.596 \| good	0.187 \| good
2026-08-15T22:00:00.000Z	38 \| good	4.158 \| good	24.677 \| good	40.814 \| good	0.288 \| good	5.362 \| good	0.199 \| good
2026-08-15T23:00:00.000Z	94 \| moderate	6.333 \| good	141.553 \| fine	40.448 \| good	0.289 \| good	4.945 \| good	0.167 \| good
2026-08-16T00:00:00.000Z	106 \| sensitive	21.756 \| fine	165.081 \| moderate	39.699 \| good	0.303 \| good	5.311 \| good	0.187 \| good
2026-08-16T01:00:00.000Z	79 \| moderate	24.188 \| fine	87.832 \| fine	46.624 \| good	0.246 \| good	7.851 \| good	0.22 \| good
2026-08-16T02:00:00.000Z	44 \| good	8.047 \| good	31.333 \| good	39.052 \| good	0.318 \| good	11.874 \| good	0.209 \| good
2026-08-16T03:00:00.000Z	84 \| moderate	18.642 \| fine	121.989 \| fine	36.243 \| good	0.291 \| good	8.458 \| good	0.208 \| good
2026-08-16T04:00:00.000Z	54 \| moderate	11.031 \| good	32.589 \| good	35.568 \| good	0.292 \| good	9.41 \| good	0.187 \| good
2026-08-16T05:00:00.000Z	73 \| moderate	21.376 \| fine	69.103 \| fine	26.612 \| good	0.322 \| good	11.016 \| good	0.22 \| good
2026-08-16T06:00:00.000Z	65 \| moderate	12.842 \| fine	84.363 \| fine	28.065 \| good	0.365 \| good	10.052 \| good	0.165 \| good
2026-08-16T07:00:00.000Z	27 \| good	5.177 \| good	14.611 \| good	23.842 \| good	0.363 \| good	10.102 \| good	0.165 \| good
2026-08-16T08:00:00.000Z	52 \| moderate	9.57 \| good	40.284 \| good	18.865 \| good	0.171 \| good	5.917 \| good	0.144 \| good
2026-08-16T09:00:00.000Z	22 \| good	4.083 \| good	11.963 \| good	15.762 \| good	0.131 \| good	5.744 \| good	0.144 \| good
2026-08-16T10:00:00.000Z	22 \| good	3.816 \| good	18.803 \| good	12.884 \| good	0.285 \| good	5.058 \| good	0.144 \| good
2026-08-16T11:00:00.000Z	22 \| good	4.257 \| good	17.633 \| good	13.927 \| good	0.173 \| good	5.076 \| good	0.144 \| good
2026-08-16T12:00:00.000Z	56 \| moderate	12.111 \| fine	23.447 \| good	14.17 \| good	0.115 \| good	5.235 \| good	0.133 \| good
2026-08-16T13:00:00.000Z	22 \| good	4.112 \| good	20.518 \| good	15.035 \| good	0.115 \| good	7.125 \| good	0.133 \| good
2026-08-16T14:00:00.000Z	57 \| moderate	3.685 \| good	67.161 \| fine	13.657 \| good	0.23 \| good	6.076 \| good	0.133 \| good
2026-08-16T15:00:00.000Z	43 \| good	2.767 \| good	46.324 \| good	13.884 \| good	0.13 \| good	6.481 \| good	0.133 \| good
2026-08-16T16:00:00.000Z	16 \| good	2.12 \| good	16.84 \| good	14.567 \| good	0.299 \| good	4.189 \| good	0.165 \| good
2026-08-16T17:00:00.000Z	22 \| good	2.315 \| good	23.709 \| good	17.263 \| good	0.249 \| good	4.557 \| good	0.165 \| good
2026-08-16T18:00:00.000Z	16 \| good	2.548 \| good	15.673 \| good	17.223 \| good	0.248 \| good	4.329 \| good	0.165 \| good
2026-08-16T19:00:00.000Z	17 \| good	2.761 \| good	15.705 \| good	18.058 \| good	0.247 \| good	4.187 \| good	0.165 \| good
2026-08-16T20:00:00.000Z	16 \| good	2.977 \| good	15.748 \| good	16.505 \| good	0.245 \| good	4.573 \| good	0.176 \| good
2026-08-16T21:00:00.000Z	51 \| moderate	2.897 \| good	55.992 \| fine	20.528 \| good	0.262 \| good	5.371 \| good	0.154 \| good
2026-08-16T22:00:00.000Z	30 \| good	4.943 \| good	31.915 \| good	24.418 \| good	0.329 \| good	7.436 \| good	0.144 \| good
2026-08-16T23:00:00.000Z	63 \| moderate	9.232 \| good	78.83 \| fine	26.326 \| good	0.37 \| good	5.555 \| good	0.154 \| good
2026-08-17T00:00:00.000Z	68 \| moderate	18.125 \| fine	89.141 \| fine	29.664 \| good	0.289 \| good	7.97 \| good	0.187 \| good
2026-08-17T01:00:00.000Z	96 \| moderate	32.977 \| fine	138.322 \| fine	31.648 \| good	0.596 \| good	8.007 \| good	0.176 \| good
2026-08-17T02:00:00.000Z	66 \| moderate	17.23 \| fine	52.466 \| good	31.325 \| good	0.333 \| good	13.339 \| good	0.208 \| good
2026-08-17T03:00:00.000Z	60 \| moderate	14.31 \| fine	64.01 \| fine	37.746 \| good	0.608 \| good	4.944 \| good	0.206 \| good
2026-08-17T04:00:00.000Z	50 \| good	5.094 \| good	53.932 \| good	19.837 \| good	0.338 \| good	14.074 \| good	0.209 \| good
2026-08-17T05:00:00.000Z	64 \| moderate	15.497 \| fine	80.683 \| fine	16.939 \| good	0.341 \| good	9.021 \| good	0.176 \| good
2026-08-17T06:00:00.000Z	78 \| moderate	15.765 \| fine	109.54 \| fine	16.048 \| good	0.297 \| good	5.208 \| good	0.242 \| good
2026-08-17T07:00:00.000Z	68 \| moderate	13.181 \| fine	89.745 \| fine	17.064 \| good	0.299 \| good	6.817 \| good	0.242 \| good
2026-08-17T08:00:00.000Z	58 \| moderate	12.722 \| fine	65.218 \| fine	18.292 \| good	0.349 \| good	7.978 \| good	0.1 \| good
2026-08-17T09:00:00.000Z	54 \| moderate	11.328 \| good	42.024 \| good	10.653 \| good	0.304 \| good	8.546 \| good	0.1 \| good
2026-08-17T10:00:00.000Z	22 \| good	4.32 \| good	19.651 \| good	8.436 \| good	0.321 \| good	6.593 \| good	0.1 \| good
2026-08-17T11:00:00.000Z	22 \| good	4.192 \| good	14.661 \| good	7.429 \| good	0.208 \| good	6.384 \| good	0.143 \| good
2026-08-17T12:00:00.000Z	22 \| good	3.687 \| good	16.472 \| good	8.872 \| good	0.295 \| good	7.271 \| good	0.143 \| good
2026-08-17T13:00:00.000Z	17 \| good	2.781 \| good	13.328 \| good	17.773 \| good	0.297 \| good	7.274 \| good	0.143 \| good
2026-08-17T13:00:00.000Z	17 \| good	2.781 \| good	13.328 \| good	17.773 \| good	0.297 \| good	7.274 \| good	0.143 \| good
2026-08-17T14:00:00.000Z	58 \| moderate	12.607 \| fine	56.857 \| fine	21.479 \| good	0.221 \| good	5.043 \| good	0.204 \| good
2026-08-17T15:00:00.000Z	56 \| moderate	11.875 \| good	53.219 \| good	26.057 \| good	0.202 \| good	4.508 \| good	0.211 \| good
2026-08-17T16:00:00.000Z	56 \| moderate	11.683 \| good	52.644 \| good	30.678 \| good	0.326 \| good	3.73 \| good	0.207 \| good
2026-08-17T17:00:00.000Z	56 \| moderate	12.365 \| fine	54.902 \| good	35.456 \| good	0.482 \| good	2.841 \| good	0.194 \| good
2026-08-17T18:00:00.000Z	60 \| moderate	13.561 \| fine	60.523 \| fine	41.501 \| good	0.602 \| good	2.23 \| good	0.188 \| good
2026-08-17T19:00:00.000Z	62 \| moderate	14.681 \| fine	64.681 \| fine	46.968 \| good	0.666 \| good	1.877 \| good	0.186 \| good
2026-08-17T20:00:00.000Z	62 \| moderate	15.306 \| fine	68.062 \| fine	51.345 \| good	0.726 \| good	1.598 \| good	0.185 \| good
2026-08-17T21:00:00.000Z	64 \| moderate	15.608 \| fine	69.555 \| fine	54.548 \| good	0.8 \| good	1.422 \| good	0.185 \| good
2026-08-17T22:00:00.000Z	64 \| moderate	15.865 \| fine	70.932 \| fine	56.4 \| fine	0.886 \| good	1.317 \| good	0.184 \| good
2026-08-17T23:00:00.000Z	64 \| moderate	16.092 \| fine	71.302 \| fine	57.011 \| fine	0.976 \| good	1.285 \| good	0.186 \| good
2026-08-18T00:00:00.000Z	64 \| moderate	16.318 \| fine	71.964 \| fine	56.799 \| fine	1.058 \| good	1.376 \| good	0.189 \| good
2026-08-18T01:00:00.000Z	66 \| moderate	16.737 \| fine	73.819 \| fine	54.233 \| good	1.136 \| good	1.724 \| good	0.194 \| good
2026-08-18T02:00:00.000Z	67 \| moderate	17.888 \| fine	79.4 \| fine	48.621 \| good	1.156 \| good	2.782 \| good	0.202 \| good
2026-08-18T03:00:00.000Z	67 \| moderate	17.821 \| fine	78.79 \| fine	46.047 \| good	1.128 \| good	5.576 \| good	0.225 \| good
2026-08-18T04:00:00.000Z	69 \| moderate	18.949 \| fine	84.305 \| fine	43.649 \| good	1.15 \| good	9.038 \| good	0.255 \| good
2026-08-18T05:00:00.000Z	69 \| moderate	19.415 \| fine	85.956 \| fine	42.411 \| good	1.153 \| good	10.551 \| good	0.269 \| good
2026-08-18T06:00:00.000Z	69 \| moderate	19.498 \| fine	86.556 \| fine	41.499 \| good	1.092 \| good	11.94 \| good	0.282 \| good
2026-08-18T07:00:00.000Z	71 \| moderate	19.785 \| fine	87.416 \| fine	40.288 \| good	0.988 \| good	12.776 \| good	0.29 \| good
2026-08-18T08:00:00.000Z	71 \| moderate	20.197 \| fine	89.598 \| fine	38.468 \| good	0.82 \| good	12.276 \| good	0.288 \| good
2026-08-18T09:00:00.000Z	73 \| moderate	20.953 \| fine	92.398 \| fine	35.364 \| good	0.657 \| good	11.221 \| good	0.283 \| good
2026-08-18T10:00:00.000Z	73 \| moderate	21.363 \| fine	94.386 \| fine	30.101 \| good	0.499 \| good	10.202 \| good	0.277 \| good
2026-08-18T11:00:00.000Z	71 \| moderate	20.437 \| fine	90.244 \| fine	24.872 \| good	0.377 \| good	9.347 \| good	0.274 \| good
2026-08-18T12:00:00.000Z	69 \| moderate	19.091 \| fine	83.823 \| fine	21.377 \| good	0.309 \| good	8.661 \| good	0.271 \| good
2026-08-18T13:00:00.000Z	67 \| moderate	18.328 \| fine	81.514 \| fine	18.033 \| good	0.301 \| good	8.065 \| good	0.269 \| good
2026-08-18T14:00:00.000Z	66 \| moderate	17.446 \| fine	76.919 \| fine	18.505 \| good	0.331 \| good	6.748 \| good	0.269 \| good
2026-08-18T15:00:00.000Z	66 \| moderate	17.33 \| fine	76.527 \| fine	22.802 \| good	0.422 \| good	5.427 \| good	0.266 \| good
2026-08-18T16:00:00.000Z	66 \| moderate	16.619 \| fine	73.998 \| fine	27.395 \| good	0.524 \| good	4.361 \| good	0.254 \| good
2026-08-18T17:00:00.000Z	62 \| moderate	15.096 \| fine	67.279 \| fine	31.458 \| good	0.667 \| good	2.843 \| good	0.221 \| good
2026-08-18T18:00:00.000Z	58 \| moderate	13.291 \| fine	59.783 \| fine	34.768 \| good	0.659 \| good	1.977 \| good	0.21 \| good
2026-08-18T19:00:00.000Z	56 \| moderate	11.51 \| good	50.932 \| good	37.091 \| good	0.659 \| good	1.435 \| good	0.205 \| good
2026-08-18T20:00:00.000Z	52 \| moderate	10.345 \| good	45.72 \| good	40.759 \| good	0.627 \| good	1.106 \| good	0.2 \| good
2026-08-18T21:00:00.000Z	52 \| moderate	9.504 \| good	41.849 \| good	45.717 \| good	0.574 \| good	0.942 \| good	0.194 \| good
2026-08-18T22:00:00.000Z	49 \| good	8.833 \| good	39.338 \| good	48.774 \| good	0.528 \| good	0.917 \| good	0.19 \| good
2026-08-18T23:00:00.000Z	45 \| good	8.28 \| good	36.726 \| good	49.405 \| good	0.503 \| good	0.965 \| good	0.187 \| good
2026-08-19T00:00:00.000Z	45 \| good	7.916 \| good	34.387 \| good	48.852 \| good	0.493 \| good	1.118 \| good	0.187 \| good
2026-08-19T01:00:00.000Z	44 \| good	7.53 \| good	33.203 \| good	41.921 \| good	0.491 \| good	1.519 \| good	0.19 \| good
2026-08-19T02:00:00.000Z	44 \| good	8.087 \| good	35.935 \| good	32.892 \| good	0.463 \| good	3.219 \| good	0.206 \| good
2026-08-19T03:00:00.000Z	49 \| good	8.524 \| good	37.938 \| good	26.194 \| good	0.473 \| good	6.266 \| good	0.234 \| good
2026-08-19T04:00:00.000Z	44 \| good	8.204 \| good	36.399 \| good	21.071 \| good	0.506 \| good	9.499 \| good	0.261 \| good
2026-08-19T05:00:00.000Z	38 \| good	6.623 \| good	28.956 \| good	16.398 \| good	0.538 \| good	10.8 \| good	0.271 \| good
2026-08-19T06:00:00.000Z	79 \| moderate	24.428 \| fine	25.776 \| good	31.97 \| good	0.555 \| good	11.877 \| good	0.276 \| good
2026-08-19T07:00:00.000Z	27 \| good	5.208 \| good	22.704 \| good	13.467 \| good	0.544 \| good	12.389 \| good	0.275 \| good
2026-08-19T08:00:00.000Z	27 \| good	5.136 \| good	22.795 \| good	12.178 \| good	0.513 \| good	12.13 \| good	0.268 \| good
2026-08-19T09:00:00.000Z	27 \| good	5.207 \| good	23.185 \| good	11.139 \| good	0.486 \| good	11.52 \| good	0.258 \| good
2026-08-19T10:00:00.000Z	27 \| good	5.188 \| good	23.167 \| good	10.694 \| good	0.466 \| good	10.81 \| good	0.247 \| good
2026-08-19T11:00:00.000Z	27 \| good	5.139 \| good	22.228 \| good	10.448 \| good	0.412 \| good	10.24 \| good	0.238 \| good
2026-08-19T12:00:00.000Z	77 \| moderate	23.408 \| fine	25.486 \| good	20.061 \| good	0.347 \| good	9.901 \| good	0.235 \| good
2026-08-19T13:00:00.000Z	77 \| moderate	23.379 \| fine	25.531 \| good	19.716 \| good	0.334 \| good	9.207 \| good	0.232 \| good

Monroe

Empower business decisions with accurate air quality data

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

0.15ppm

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 Monroe, Washington get updated?

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

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

Monroe, Washington experienced its worst air quality at 01:00:00, 2026-08-17.

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

The best air quality in Monroe, Washington was observed at 08:00:00 on 2026-08-16.

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

The air quality in Monroe, Washington right now is Good, with an AQI of 17.

What pollutant is most frequently found in Monroe, Washington?

In Monroe, Washington, O3 is the most frequently found pollutant.

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

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

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

Monroe, Washington currently has a PM_2.5 concentration of 2.781 μg/m³.

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

Monroe, Washington currently has a PM₁₀ concentration of 13.328 μg/m³.

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

The current carbon monoxide (CO) level in Monroe, Washington is 0.143 ppm.

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

The current sulfur dioxide (SO₂) concentration in Monroe, Washington is 0.297 ppb.

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

Monroe, Washington currently has an ozone (O₃) concentration of 17.773 ppm.

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

The current level of nitrogen dioxide (NO₂) in Monroe, Washington is 7.274 ppb.

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