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

The current PM10 concentration at Washington, Missouri is 11.915 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Washington, Missouri is 0.706 ppb.

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

The current ozone (O3) concentration at Washington, Missouri is 31.762 ppm.

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

The current nitrogen dioxide (NO2) concentration at Washington, Missouri is 3.545 ppb.

Washington, Missouri live air quality index now

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

The current PM2.5 concentration at Washington, Missouri is 2.473 μg/m3.

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

Washington, Missouri

Last updated: ... (Local time)

Major air pollutants in Washington, Missouri

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

2.47 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

11.91 μg/m³

155

255

425

605+

Ozone (O₃)

31.76 ppb

201

201+

Sulfur Dioxide (SO₂)

0.71 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.54 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.18 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Washington, Missouri

Scroll To Air Quality Map

Track live Washington, Missouri air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-20T20:00:00.000Z	33 \| good	2.224 \| good	9.393 \| good	36.466 \| good	1.195 \| good	3.902 \| good	0.238 \| good
2025-10-20T21:00:00.000Z	35 \| good	2.277 \| good	9.689 \| good	38.348 \| good	1.186 \| good	4.303 \| good	0.198 \| good
2025-10-20T22:00:00.000Z	36 \| good	2.332 \| good	10.567 \| good	39.493 \| good	1.241 \| good	3.048 \| good	0.182 \| good
2025-10-20T23:00:00.000Z	37 \| good	2.713 \| good	14.065 \| good	39.96 \| good	1.323 \| good	3.214 \| good	0.222 \| good
2025-10-21T00:00:00.000Z	34 \| good	2.204 \| good	11.626 \| good	36.865 \| good	1.259 \| good	3.352 \| good	0.222 \| good
2025-10-21T01:00:00.000Z	33 \| good	2.735 \| good	12.625 \| good	36.302 \| good	1.138 \| good	4.294 \| good	0.222 \| good
2025-10-21T02:00:00.000Z	34 \| good	3.804 \| good	15.709 \| good	36.852 \| good	1.079 \| good	4.324 \| good	0.182 \| good
2025-10-21T03:00:00.000Z	34 \| good	2.818 \| good	11.526 \| good	36.539 \| good	0.609 \| good	1.555 \| good	0.139 \| good
2025-10-21T04:00:00.000Z	35 \| good	3.277 \| good	20.485 \| good	38.112 \| good	1.274 \| good	3.006 \| good	0.225 \| good
2025-10-21T05:00:00.000Z	31 \| good	2.595 \| good	15.788 \| good	34.435 \| good	1.044 \| good	3.035 \| good	0.15 \| good
2025-10-21T06:00:00.000Z	31 \| good	3.664 \| good	24.688 \| good	33.056 \| good	1.267 \| good	4.019 \| good	0.152 \| good
2025-10-21T07:00:00.000Z	33 \| good	3.239 \| good	18.877 \| good	35.704 \| good	1.27 \| good	4.017 \| good	0.159 \| good
2025-10-21T08:00:00.000Z	32 \| good	2.807 \| good	18.061 \| good	35.061 \| good	1.279 \| good	4.013 \| good	0.159 \| good
2025-10-21T09:00:00.000Z	31 \| good	2.823 \| good	13.871 \| good	34.2 \| good	0.183 \| good	3.611 \| good	0.22 \| good
2025-10-21T10:00:00.000Z	23 \| good	2.479 \| good	9.848 \| good	24.818 \| good	0.746 \| good	4.508 \| good	0.185 \| good
2025-10-21T11:00:00.000Z	24 \| good	2.3 \| good	9.929 \| good	26.078 \| good	0.717 \| good	3.683 \| good	0.182 \| good
2025-10-21T12:00:00.000Z	25 \| good	2.791 \| good	15.515 \| good	26.804 \| good	0.678 \| good	5.105 \| good	0.222 \| good
2025-10-21T13:00:00.000Z	23 \| good	2.839 \| good	14.443 \| good	25.391 \| good	0.679 \| good	5.149 \| good	0.255 \| good
2025-10-21T14:00:00.000Z	22 \| good	3.651 \| good	15.814 \| good	21.246 \| good	0.89 \| good	6.039 \| good	0.298 \| good
2025-10-21T15:00:00.000Z	23 \| good	2.743 \| good	8.632 \| good	24.864 \| good	1.696 \| good	4.904 \| good	0.228 \| good
2025-10-21T16:00:00.000Z	25 \| good	4.448 \| good	15.814 \| good	27.017 \| good	0.921 \| good	3.919 \| good	0.181 \| good
2025-10-21T17:00:00.000Z	26 \| good	3.846 \| good	16.609 \| good	28.107 \| good	0.795 \| good	3.248 \| good	0.181 \| good
2025-10-21T18:00:00.000Z	31 \| good	3.134 \| good	12.721 \| good	33.068 \| good	0.77 \| good	3.095 \| good	0.147 \| good
2025-10-21T19:00:00.000Z	31 \| good	3.735 \| good	21.714 \| good	32.965 \| good	0.762 \| good	3.442 \| good	0.182 \| good
2025-10-21T20:00:00.000Z	33 \| good	2.31 \| good	11.276 \| good	36.015 \| good	0.761 \| good	3.215 \| good	0.182 \| good
2025-10-21T21:00:00.000Z	31 \| good	2.369 \| good	20.468 \| good	33.966 \| good	0.619 \| good	3.239 \| good	0.142 \| good
2025-10-21T22:00:00.000Z	31 \| good	2.114 \| good	14.389 \| good	34.467 \| good	0.677 \| good	3.181 \| good	0.108 \| good
2025-10-21T23:00:00.000Z	31 \| good	2.211 \| good	16.061 \| good	33.473 \| good	0.668 \| good	2.807 \| good	0.108 \| good
2025-10-22T00:00:00.000Z	31 \| good	2.083 \| good	18.288 \| good	33.834 \| good	0.704 \| good	2.026 \| good	0.108 \| good
2025-10-22T01:00:00.000Z	30 \| good	1.916 \| good	16.969 \| good	32.11 \| good	0.764 \| good	4.062 \| good	0.142 \| good
2025-10-22T02:00:00.000Z	27 \| good	2.271 \| good	16.327 \| good	28.934 \| good	0.729 \| good	5.077 \| good	0.181 \| good
2025-10-22T03:00:00.000Z	22 \| good	2.204 \| good	9.164 \| good	23.772 \| good	0.315 \| good	1.516 \| good	0.127 \| good
2025-10-22T04:00:00.000Z	25 \| good	2.672 \| good	24.203 \| good	26.785 \| good	0.643 \| good	5.115 \| good	0.181 \| good
2025-10-22T05:00:00.000Z	22 \| good	2.534 \| good	14.552 \| good	23.932 \| good	0.682 \| good	4.474 \| good	0.189 \| good
2025-10-22T06:00:00.000Z	22 \| good	2.362 \| good	16.048 \| good	23.82 \| good	0.675 \| good	4.168 \| good	0.181 \| good
2025-10-22T07:00:00.000Z	24 \| good	2.843 \| good	17.291 \| good	26.386 \| good	0.674 \| good	4.379 \| good	0.181 \| good
2025-10-22T08:00:00.000Z	24 \| good	2.401 \| good	20.668 \| good	26.441 \| good	0.673 \| good	4.941 \| good	0.181 \| good
2025-10-22T09:00:00.000Z	21 \| good	2.658 \| good	18.364 \| good	22.881 \| good	0.543 \| good	3.88 \| good	0.137 \| good
2025-10-22T10:00:00.000Z	21 \| good	1.747 \| good	12.199 \| good	23.031 \| good	0.667 \| good	3.904 \| good	0.142 \| good
2025-10-22T11:00:00.000Z	19 \| good	2.634 \| good	13.418 \| good	21.393 \| good	0.645 \| good	4.656 \| good	0.181 \| good
2025-10-22T12:00:00.000Z	20 \| good	2.911 \| good	14.919 \| good	22.383 \| good	0.628 \| good	6.861 \| good	0.22 \| good
2025-10-22T13:00:00.000Z	21 \| good	3.199 \| good	14.68 \| good	22.857 \| good	0.584 \| good	7.972 \| good	0.259 \| good
2025-10-22T14:00:00.000Z	20 \| good	2.566 \| good	17.07 \| good	21.628 \| good	0.865 \| good	7.205 \| good	0.304 \| good
2025-10-22T15:00:00.000Z	23 \| good	2.529 \| good	13.375 \| good	24.679 \| good	0.735 \| good	5.067 \| good	0.22 \| good
2025-10-22T16:00:00.000Z	24 \| good	1.749 \| good	13.445 \| good	25.883 \| good	0.728 \| good	4.366 \| good	0.181 \| good
2025-10-22T17:00:00.000Z	27 \| good	2.338 \| good	10.97 \| good	28.885 \| good	0.777 \| good	3.693 \| good	0.181 \| good
2025-10-22T18:00:00.000Z	30 \| good	2.473 \| good	11.915 \| good	31.762 \| good	0.706 \| good	3.545 \| good	0.181 \| good
2025-10-22T19:00:00.000Z	31 \| good	2.031 \| good	9.194 \| good	34.043 \| good	0.733 \| good	3.103 \| good	0.181 \| good
2025-10-22T19:00:00.000Z	30 \| good	2.473 \| good	11.915 \| good	31.762 \| good	0.706 \| good	3.545 \| good	0.181 \| good
2025-10-22T20:00:00.000Z	31 \| good	1.347 \| good	5.036 \| good	34.266 \| good	0.417 \| good	0.615 \| good	0.137 \| good
2025-10-22T21:00:00.000Z	29 \| good	0.869 \| good	3.036 \| good	31.481 \| good	0.413 \| good	0.592 \| good	0.138 \| good
2025-10-22T22:00:00.000Z	29 \| good	0.489 \| good	2 \| good	30.831 \| good	0.416 \| good	1.661 \| good	0.149 \| good
2025-10-22T23:00:00.000Z	27 \| good	0.928 \| good	4 \| good	29.302 \| good	0.419 \| good	2.729 \| good	0.161 \| good
2025-10-23T00:00:00.000Z	27 \| good	1.283 \| good	5 \| good	29.1 \| good	0.421 \| good	3.798 \| good	0.172 \| good
2025-10-23T01:00:00.000Z	25 \| good	1.13 \| good	4.233 \| good	27.466 \| good	0.44 \| good	4.675 \| good	0.182 \| good
2025-10-23T02:00:00.000Z	22 \| good	1.402 \| good	5.408 \| good	24.155 \| good	0.459 \| good	5.551 \| good	0.193 \| good
2025-10-23T03:00:00.000Z	19 \| good	1.428 \| good	5.7 \| good	20.627 \| good	0.478 \| good	6.428 \| good	0.203 \| good
2025-10-23T04:00:00.000Z	18 \| good	1.505 \| good	6.258 \| good	19.148 \| good	0.458 \| good	6.303 \| good	0.203 \| good
2025-10-23T05:00:00.000Z	17 \| good	1.121 \| good	4.387 \| good	17.716 \| good	0.439 \| good	6.178 \| good	0.202 \| good
2025-10-23T06:00:00.000Z	15 \| good	2.428 \| good	10.016 \| good	15.63 \| good	0.419 \| good	6.053 \| good	0.201 \| good
2025-10-23T07:00:00.000Z	16 \| good	3.227 \| good	13.925 \| good	12.232 \| good	0.438 \| good	5.66 \| good	0.196 \| good
2025-10-23T08:00:00.000Z	16 \| good	3.27 \| good	14.429 \| good	10.729 \| good	0.458 \| good	5.267 \| good	0.191 \| good
2025-10-23T09:00:00.000Z	11 \| good	2.216 \| good	9.273 \| good	8.777 \| good	0.477 \| good	4.875 \| good	0.186 \| good
2025-10-23T10:00:00.000Z	11 \| good	1.775 \| good	7.309 \| good	8.845 \| good	0.527 \| good	5.376 \| good	0.188 \| good
2025-10-23T11:00:00.000Z	11 \| good	2.378 \| good	9.802 \| good	8.139 \| good	0.577 \| good	5.877 \| good	0.191 \| good
2025-10-23T12:00:00.000Z	11 \| good	1.934 \| good	7.928 \| good	9.035 \| good	0.627 \| good	6.379 \| good	0.193 \| good
2025-10-23T13:00:00.000Z	16 \| good	2.696 \| good	11.055 \| good	8.974 \| good	0.682 \| good	5.358 \| good	0.188 \| good
2025-10-23T14:00:00.000Z	16 \| good	3.302 \| good	14.636 \| good	14.882 \| good	0.736 \| good	4.338 \| good	0.184 \| good
2025-10-23T15:00:00.000Z	19 \| good	3.054 \| good	12.36 \| good	20.694 \| good	0.791 \| good	3.317 \| good	0.179 \| good
2025-10-23T16:00:00.000Z	26 \| good	2.196 \| good	8.964 \| good	28.383 \| good	0.739 \| good	2.47 \| good	0.166 \| good
2025-10-23T17:00:00.000Z	29 \| good	1.285 \| good	5 \| good	30.604 \| good	0.686 \| good	1.623 \| good	0.152 \| good
2025-10-23T18:00:00.000Z	31 \| good	1.032 \| good	4 \| good	32.78 \| good	0.634 \| good	0.776 \| good	0.139 \| good
2025-10-23T19:00:00.000Z	32 \| good	1.614 \| good	6.746 \| good	34.694 \| good	0.591 \| good	0.73 \| good	0.137 \| good
2025-10-23T20:00:00.000Z	31 \| good	1.532 \| good	6 \| good	34.299 \| good	0.548 \| good	0.684 \| good	0.135 \| good
2025-10-23T21:00:00.000Z	31 \| good	0.905 \| good	3.337 \| good	32.632 \| good	0.505 \| good	0.638 \| good	0.134 \| good
2025-10-23T22:00:00.000Z	30 \| good	2.263 \| good	9.245 \| good	32.018 \| good	0.508 \| good	2.623 \| good	0.155 \| good
2025-10-23T23:00:00.000Z	30 \| good	2.628 \| good	10.759 \| good	31.737 \| good	0.511 \| good	4.609 \| good	0.176 \| good
2025-10-24T00:00:00.000Z	27 \| good	3.455 \| good	15.228 \| good	29.172 \| good	0.515 \| good	6.595 \| good	0.198 \| good
2025-10-24T01:00:00.000Z	25 \| good	3.092 \| good	12.923 \| good	26.683 \| good	0.572 \| good	8.029 \| good	0.215 \| good
2025-10-24T02:00:00.000Z	22 \| good	3.235 \| good	14.094 \| good	23.942 \| good	0.63 \| good	9.463 \| good	0.232 \| good
2025-10-24T03:00:00.000Z	27 \| good	4.63 \| good	20.439 \| good	22.142 \| good	0.688 \| good	10.897 \| good	0.249 \| good
2025-10-24T04:00:00.000Z	27 \| good	4.687 \| good	20.383 \| good	20.342 \| good	0.692 \| good	10.168 \| good	0.239 \| good
2025-10-24T05:00:00.000Z	27 \| good	5.185 \| good	22.174 \| good	16.769 \| good	0.696 \| good	9.438 \| good	0.229 \| good
2025-10-24T06:00:00.000Z	27 \| good	5.242 \| good	22.976 \| good	13.361 \| good	0.7 \| good	8.709 \| good	0.219 \| good
2025-10-24T07:00:00.000Z	33 \| good	5.89 \| good	25.796 \| good	8.906 \| good	0.712 \| good	8.194 \| good	0.212 \| good
2025-10-24T08:00:00.000Z	33 \| good	6.244 \| good	27.549 \| good	8.083 \| good	0.724 \| good	7.679 \| good	0.204 \| good
2025-10-24T09:00:00.000Z	33 \| good	5.655 \| good	24.73 \| good	7.199 \| good	0.736 \| good	7.164 \| good	0.197 \| good
2025-10-24T10:00:00.000Z	33 \| good	5.883 \| good	25.45 \| good	6.496 \| good	0.753 \| good	6.988 \| good	0.194 \| good
2025-10-24T11:00:00.000Z	38 \| good	7.374 \| good	32.788 \| good	5.28 \| good	0.77 \| good	6.813 \| good	0.19 \| good
2025-10-24T12:00:00.000Z	44 \| good	7.866 \| good	34.502 \| good	6.98 \| good	0.787 \| good	6.638 \| good	0.187 \| good
2025-10-24T13:00:00.000Z	49 \| good	8.924 \| good	39.373 \| good	8.976 \| good	0.853 \| good	6.547 \| good	0.189 \| good
2025-10-24T14:00:00.000Z	49 \| good	9.146 \| good	40.987 \| good	13.002 \| good	0.92 \| good	6.457 \| good	0.191 \| good
2025-10-24T15:00:00.000Z	38 \| good	7.461 \| good	32.845 \| good	16.238 \| good	0.986 \| good	6.367 \| good	0.193 \| good
2025-10-24T16:00:00.000Z	38 \| good	6.608 \| good	29.468 \| good	21.543 \| good	1.097 \| good	5.358 \| good	0.18 \| good
2025-10-24T17:00:00.000Z	33 \| good	5.569 \| good	23.598 \| good	25.824 \| good	1.207 \| good	4.349 \| good	0.167 \| good
2025-10-24T18:00:00.000Z	38 \| good	7.374 \| good	32.486 \| good	28.343 \| good	1.318 \| good	3.34 \| good	0.154 \| good
2025-10-24T19:00:00.000Z	52 \| moderate	9.879 \| good	43.765 \| good	29.07 \| good	1.354 \| good	3.248 \| good	0.153 \| good

Washington

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Washington, Missouri air quality map: Track AQI near you

0.18ppm

How accurate is Missouri, USA air quality data?

Air quality data and pollutant measurements for Missouri, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.

Source: Ambee Data Sources

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Frequently asked questions

How often is the air quality data for Washington, Missouri updated?

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

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

The worst air quality in Washington, Missouri in the last 24 hours was observed at 08:00:00 on 2025-10-21.

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

In the last 24 hrs, the best air quality in Washington, Missouri was observed at 11:00:00 on 2025-10-22.

What is the current air quality in Washington, Missouri?

The current air quality in Washington, Missouri is 30, categorized as Good based on real-time data.

What pollutant is the most common in Washington, Missouri?

The most common pollutant in Washington, Missouri is O3.

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

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

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

The current PM_2.5 concentration at Washington, Missouri is 2.473 μg/m³.

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

The current PM₁₀ concentration at Washington, Missouri is 11.915 μg/m³.

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

The current carbon monoxide (CO) concentration at Washington, Missouri is 0.181 ppm.

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

The current sulfur dioxide (SO₂) concentration at Washington, Missouri is 0.706 ppb.

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

The current ozone (O₃) concentration at Washington, Missouri is 31.762 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Washington, Missouri is 3.545 ppb.

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