What is the PM10 level in Union, Missouri at the moment?

The PM10 concentration in Union, Missouri is 23.416 μg/m3 at the moment.

What is the sulfur dioxide (SO2) level in Union, Missouri at the moment?

Currently, Union, Missouri has a sulfur dioxide (SO2) concentration of 0.269 ppb.

What is the ozone (O3) level in Union, Missouri at the moment?

The current ozone (O3) level in Union, Missouri at the moment is 5.817 ppm.

What is the nitrogen dioxide (NO2) level in Union, Missouri at the moment?

Nitrogen dioxide (NO2) level in Union, Missouri at the moment is 8.667 ppb.

Live air quality index in Union, Missouri today

Q: What is the PM2.5 level in Union, Missouri at the moment?

PM2.5 levels in Union, Missouri are currently 7.632 μg/m3.

Stay updated with real-time air quality in Union, 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

Union, Missouri

Last updated: ... (Local time)

Major air pollutants in Union, Missouri

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

7.63 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

23.42 μg/m³

155

255

425

605+

Ozone (O₃)

5.82 ppb

201

201+

Sulfur Dioxide (SO₂)

0.27 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.67 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.45 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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Union, Missouri

Scroll To Air Quality Map

Track live Union, Missouri air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-04T08:00:00.000Z	54 \| moderate	10.641 \| good	51.523 \| good	10.155 \| good	0.658 \| good	7.667 \| good	0.261 \| good
2026-03-04T09:00:00.000Z	52 \| moderate	10.489 \| good	52.177 \| good	8.286 \| good	0.579 \| good	8.37 \| good	0.218 \| good
2026-03-04T10:00:00.000Z	52 \| moderate	9.652 \| good	32.908 \| good	6.365 \| good	0.517 \| good	9.978 \| good	0.21 \| good
2026-03-04T11:00:00.000Z	44 \| good	7.816 \| good	23.187 \| good	10.114 \| good	0.584 \| good	12.022 \| good	0.257 \| good
2026-03-04T12:00:00.000Z	45 \| good	7.867 \| good	48.687 \| good	13.911 \| good	0.483 \| good	11.962 \| good	0.287 \| good
2026-03-04T13:00:00.000Z	52 \| moderate	10.054 \| good	55.167 \| fine	10.6 \| good	0.458 \| good	10.59 \| good	0.282 \| good
2026-03-04T14:00:00.000Z	54 \| moderate	11.461 \| good	34.539 \| good	8.973 \| good	0.507 \| good	9.917 \| good	0.455 \| good
2026-03-04T15:00:00.000Z	56 \| moderate	11.543 \| good	32.137 \| good	9.254 \| good	0.55 \| good	9.453 \| good	0.356 \| good
2026-03-04T16:00:00.000Z	54 \| moderate	11.104 \| good	41.299 \| good	10.518 \| good	0.48 \| good	9.105 \| good	0.386 \| good
2026-03-04T17:00:00.000Z	66 \| moderate	16.712 \| fine	28.527 \| good	8.859 \| good	0.45 \| good	9.586 \| good	0.347 \| good
2026-03-04T18:00:00.000Z	58 \| moderate	12.99 \| fine	41.015 \| good	9.474 \| good	0.477 \| good	9.352 \| good	0.421 \| good
2026-03-04T19:00:00.000Z	49 \| good	8.626 \| good	26.978 \| good	17.558 \| good	0.522 \| good	6.838 \| good	0.429 \| good
2026-03-04T20:00:00.000Z	38 \| good	6.736 \| good	26.906 \| good	9.957 \| good	0.452 \| good	6.823 \| good	0.46 \| good
2026-03-04T21:00:00.000Z	22 \| good	4.216 \| good	14.534 \| good	15.643 \| good	0.541 \| good	7.415 \| good	0.471 \| good
2026-03-04T22:00:00.000Z	38 \| good	6.998 \| good	20.502 \| good	16.829 \| good	0.635 \| good	6.531 \| good	0.503 \| good
2026-03-04T23:00:00.000Z	52 \| moderate	9.63 \| good	57.604 \| fine	16.013 \| good	0.568 \| good	6.919 \| good	0.486 \| good
2026-03-05T00:00:00.000Z	44 \| good	7.518 \| good	39.398 \| good	17.903 \| good	0.508 \| good	7.755 \| good	0.49 \| good
2026-03-05T01:00:00.000Z	54 \| moderate	11.381 \| good	21.539 \| good	11.999 \| good	0.491 \| good	9.455 \| good	0.416 \| good
2026-03-05T02:00:00.000Z	52 \| moderate	10.052 \| good	28.409 \| good	6.306 \| good	0.479 \| good	9.67 \| good	0.563 \| good
2026-03-05T03:00:00.000Z	31 \| good	1.69 \| good	6.676 \| good	33.533 \| good	0.167 \| good	2.759 \| good	0.142 \| good
2026-03-05T04:00:00.000Z	58 \| moderate	12.995 \| fine	49.381 \| good	7.515 \| good	0.436 \| good	8.272 \| good	0.65 \| good
2026-03-05T05:00:00.000Z	56 \| moderate	11.511 \| good	20.529 \| good	7.317 \| good	0.419 \| good	7.244 \| good	0.616 \| good
2026-03-05T06:00:00.000Z	56 \| moderate	11.511 \| good	15.836 \| good	13.021 \| good	0.446 \| good	7.245 \| good	0.529 \| good
2026-03-05T07:00:00.000Z	52 \| moderate	9.588 \| good	27.366 \| good	17.952 \| good	0.349 \| good	8.757 \| good	0.495 \| good
2026-03-05T08:00:00.000Z	54 \| moderate	11.151 \| good	35.632 \| good	4.909 \| good	0.341 \| good	8.868 \| good	0.486 \| good
2026-03-05T09:00:00.000Z	52 \| moderate	10.12 \| good	28.45 \| good	6.672 \| good	0.239 \| good	10.965 \| good	0.227 \| good
2026-03-05T10:00:00.000Z	23 \| good	4.169 \| good	24.803 \| good	12.65 \| good	0.37 \| good	11.768 \| good	0.365 \| good
2026-03-05T11:00:00.000Z	11 \| good	1.832 \| good	10.576 \| good	8.201 \| good	0.301 \| good	7.558 \| good	0.291 \| good
2026-03-05T12:00:00.000Z	36 \| good	4.339 \| good	39.431 \| good	4.174 \| good	0.293 \| good	7.301 \| good	0.3 \| good
2026-03-05T13:00:00.000Z	27 \| good	4.837 \| good	24.809 \| good	4.374 \| good	0.286 \| good	7.344 \| good	0.308 \| good
2026-03-05T14:00:00.000Z	31 \| good	5.262 \| good	34.191 \| good	4.63 \| good	0.28 \| good	7.409 \| good	0.349 \| good
2026-03-05T15:00:00.000Z	22 \| good	3.589 \| good	20.851 \| good	10.098 \| good	0.321 \| good	6.703 \| good	0.349 \| good
2026-03-05T16:00:00.000Z	27 \| good	4.542 \| good	25.992 \| good	17.499 \| good	0.36 \| good	5.872 \| good	0.347 \| good
2026-03-05T17:00:00.000Z	27 \| good	4.507 \| good	18.633 \| good	13.403 \| good	1.235 \| good	5.2 \| good	0.364 \| good
2026-03-05T18:00:00.000Z	27 \| good	5.214 \| good	13.752 \| good	11.708 \| good	0.331 \| good	5.47 \| good	0.339 \| good
2026-03-05T19:00:00.000Z	22 \| good	4.444 \| good	16.175 \| good	12.172 \| good	0.606 \| good	6.619 \| good	0.356 \| good
2026-03-05T20:00:00.000Z	22 \| good	3.893 \| good	23.853 \| good	16.255 \| good	0.595 \| good	6.049 \| good	0.347 \| good
2026-03-05T21:00:00.000Z	27 \| good	5.452 \| good	24.558 \| good	15.98 \| good	0.591 \| good	6.987 \| good	0.373 \| good
2026-03-05T22:00:00.000Z	22 \| good	4.061 \| good	17.024 \| good	17.585 \| good	0.669 \| good	5.624 \| good	0.39 \| good
2026-03-05T23:00:00.000Z	27 \| good	4.665 \| good	23.275 \| good	16.194 \| good	1.267 \| good	6.026 \| good	0.373 \| good
2026-03-06T00:00:00.000Z	22 \| good	4.423 \| good	21.984 \| good	17.693 \| good	0.974 \| good	7.144 \| good	0.412 \| good
2026-03-06T01:00:00.000Z	27 \| good	4.638 \| good	24.571 \| good	19.7 \| good	0.647 \| good	7.761 \| good	0.455 \| good
2026-03-06T02:00:00.000Z	29 \| good	4.278 \| good	31.12 \| good	15.215 \| good	0.631 \| good	9.611 \| good	0.525 \| good
2026-03-06T03:00:00.000Z	26 \| good	4.282 \| good	19.003 \| good	28.204 \| good	0.658 \| good	10.165 \| good	0.238 \| good
2026-03-06T04:00:00.000Z	38 \| good	7.255 \| good	18.576 \| good	11.287 \| good	0.414 \| good	12.58 \| good	0.442 \| good
2026-03-06T05:00:00.000Z	22 \| good	3.873 \| good	15.925 \| good	9.374 \| good	0.349 \| good	14.804 \| good	0.455 \| good
2026-03-06T06:00:00.000Z	27 \| good	5.433 \| good	13.982 \| good	11.286 \| good	0.295 \| good	11.397 \| good	0.429 \| good
2026-03-06T07:00:00.000Z	44 \| good	7.632 \| good	23.416 \| good	5.817 \| good	0.269 \| good	8.667 \| good	0.446 \| good
2026-03-06T07:00:00.000Z	44 \| good	7.632 \| good	23.416 \| good	5.817 \| good	0.269 \| good	8.667 \| good	0.446 \| good
2026-03-06T08:00:00.000Z	27 \| good	5.124 \| good	22.022 \| good	21.941 \| good	0.381 \| good	4.329 \| good	0.151 \| good
2026-03-06T09:00:00.000Z	27 \| good	4.534 \| good	19.811 \| good	25.068 \| good	0.216 \| good	2.214 \| good	0.126 \| good
2026-03-06T10:00:00.000Z	29 \| good	4.643 \| good	20.165 \| good	30.784 \| good	0.22 \| good	1.956 \| good	0.122 \| good
2026-03-06T11:00:00.000Z	27 \| good	4.555 \| good	19.779 \| good	27.526 \| good	0.224 \| good	1.698 \| good	0.118 \| good
2026-03-06T12:00:00.000Z	24 \| good	2.669 \| good	10.889 \| good	25.819 \| good	0.228 \| good	1.441 \| good	0.115 \| good
2026-03-06T13:00:00.000Z	24 \| good	3.162 \| good	13.947 \| good	26.165 \| good	0.264 \| good	1.516 \| good	0.117 \| good
2026-03-06T14:00:00.000Z	26 \| good	3.17 \| good	14 \| good	28.466 \| good	0.301 \| good	1.592 \| good	0.12 \| good
2026-03-06T15:00:00.000Z	28 \| good	4.269 \| good	18.94 \| good	29.598 \| good	0.337 \| good	1.668 \| good	0.122 \| good
2026-03-06T16:00:00.000Z	29 \| good	4.739 \| good	20.914 \| good	31.482 \| good	0.322 \| good	1.269 \| good	0.116 \| good
2026-03-06T17:00:00.000Z	31 \| good	3.524 \| good	15.898 \| good	32.862 \| good	0.308 \| good	0.869 \| good	0.109 \| good
2026-03-06T18:00:00.000Z	30 \| good	4.496 \| good	19.239 \| good	31.798 \| good	0.293 \| good	0.469 \| good	0.103 \| good
2026-03-06T19:00:00.000Z	29 \| good	4.107 \| good	18 \| good	31.372 \| good	0.257 \| good	0.46 \| good	0.101 \| good
2026-03-06T20:00:00.000Z	29 \| good	4.214 \| good	18.801 \| good	30.902 \| good	0.22 \| good	0.45 \| good	0.099 \| good
2026-03-06T21:00:00.000Z	30 \| good	4.348 \| good	19.136 \| good	31.61 \| good	0.183 \| good	0.441 \| good	0.097 \| good
2026-03-06T22:00:00.000Z	30 \| good	5.2 \| good	22.206 \| good	32.264 \| good	0.167 \| good	0.714 \| good	0.099 \| good
2026-03-06T23:00:00.000Z	31 \| good	5.281 \| good	22.965 \| good	33.229 \| good	0.151 \| good	0.988 \| good	0.102 \| good
2026-03-07T00:00:00.000Z	29 \| good	3.804 \| good	16.446 \| good	31.311 \| good	0.136 \| good	1.261 \| good	0.104 \| good
2026-03-07T01:00:00.000Z	32 \| good	3.729 \| good	16.212 \| good	34.583 \| good	0.134 \| good	1.178 \| good	0.103 \| good
2026-03-07T02:00:00.000Z	31 \| good	4.839 \| good	21.136 \| good	34.447 \| good	0.132 \| good	1.094 \| good	0.101 \| good
2026-03-07T03:00:00.000Z	33 \| good	5.759 \| good	25.358 \| good	32.98 \| good	0.13 \| good	1.011 \| good	0.1 \| good
2026-03-07T04:00:00.000Z	31 \| good	5.045 \| good	21.956 \| good	33.557 \| good	0.139 \| good	0.966 \| good	0.099 \| good
2026-03-07T05:00:00.000Z	31 \| good	5.07 \| good	21.94 \| good	33.547 \| good	0.148 \| good	0.921 \| good	0.098 \| good
2026-03-07T06:00:00.000Z	31 \| good	4.635 \| good	20 \| good	33.013 \| good	0.157 \| good	0.876 \| good	0.098 \| good
2026-03-07T07:00:00.000Z	32 \| good	4.593 \| good	20 \| good	34.792 \| good	0.16 \| good	0.814 \| good	0.098 \| good
2026-03-07T08:00:00.000Z	29 \| good	4.499 \| good	19.298 \| good	31.246 \| good	0.163 \| good	0.752 \| good	0.098 \| good
2026-03-07T09:00:00.000Z	29 \| good	3.685 \| good	16 \| good	30.905 \| good	0.166 \| good	0.69 \| good	0.098 \| good
2026-03-07T10:00:00.000Z	30 \| good	3.421 \| good	15 \| good	32.013 \| good	0.164 \| good	0.707 \| good	0.099 \| good
2026-03-07T11:00:00.000Z	29 \| good	3.463 \| good	15.214 \| good	31.08 \| good	0.161 \| good	0.725 \| good	0.1 \| good
2026-03-07T12:00:00.000Z	30 \| good	2.184 \| good	8.916 \| good	31.519 \| good	0.159 \| good	0.743 \| good	0.101 \| good
2026-03-07T13:00:00.000Z	30 \| good	2.842 \| good	11.889 \| good	31.659 \| good	0.157 \| good	1.001 \| good	0.109 \| good
2026-03-07T14:00:00.000Z	28 \| good	4.64 \| good	20.199 \| good	30.341 \| good	0.156 \| good	1.258 \| good	0.116 \| good
2026-03-07T15:00:00.000Z	49 \| good	8.561 \| good	37.267 \| good	29.494 \| good	0.155 \| good	1.515 \| good	0.124 \| good
2026-03-07T16:00:00.000Z	49 \| good	8.787 \| good	38.239 \| good	32.213 \| good	0.159 \| good	1.337 \| good	0.142 \| good
2026-03-07T17:00:00.000Z	44 \| good	7.833 \| good	34.111 \| good	35.294 \| good	0.164 \| good	1.159 \| good	0.159 \| good
2026-03-07T18:00:00.000Z	44 \| good	7.871 \| good	34.283 \| good	35.184 \| good	0.168 \| good	0.981 \| good	0.176 \| good
2026-03-07T19:00:00.000Z	44 \| good	7.67 \| good	33.94 \| good	34.179 \| good	0.162 \| good	0.851 \| good	0.176 \| good
2026-03-07T20:00:00.000Z	49 \| good	8.718 \| good	38.043 \| good	33.047 \| good	0.156 \| good	0.721 \| good	0.175 \| good
2026-03-07T21:00:00.000Z	49 \| good	9.308 \| good	41.299 \| good	33.617 \| good	0.149 \| good	0.59 \| good	0.175 \| good
2026-03-07T22:00:00.000Z	54 \| moderate	10.763 \| good	47.976 \| good	30.666 \| good	0.154 \| good	0.952 \| good	0.179 \| good
2026-03-07T23:00:00.000Z	52 \| moderate	10.093 \| good	44.93 \| good	30.495 \| good	0.16 \| good	1.314 \| good	0.183 \| good
2026-03-08T00:00:00.000Z	54 \| moderate	11.302 \| good	50.031 \| good	33.631 \| good	0.165 \| good	1.676 \| good	0.186 \| good
2026-03-08T01:00:00.000Z	54 \| moderate	10.6 \| good	47.084 \| good	28.514 \| good	0.183 \| good	2.098 \| good	0.189 \| good
2026-03-08T02:00:00.000Z	49 \| good	8.826 \| good	38.94 \| good	26.162 \| good	0.201 \| good	2.52 \| good	0.192 \| good
2026-03-08T03:00:00.000Z	49 \| good	8.739 \| good	38.179 \| good	23.239 \| good	0.219 \| good	2.942 \| good	0.195 \| good
2026-03-08T04:00:00.000Z	49 \| good	8.544 \| good	37.212 \| good	20.335 \| good	0.213 \| good	3.005 \| good	0.193 \| good
2026-03-08T05:00:00.000Z	44 \| good	7.939 \| good	34.956 \| good	18.899 \| good	0.207 \| good	3.069 \| good	0.19 \| good
2026-03-08T06:00:00.000Z	24 \| good	3.27 \| good	3.415 \| good	25.64 \| good	0.208 \| good	3.262 \| good	0.188 \| good
2026-03-08T07:00:00.000Z	44 \| good	7.801 \| good	34.239 \| good	12.174 \| good	0.196 \| good	2.984 \| good	0.183 \| good

Union

Get reliable air quality data to drive your business

Union, Missouri air quality map: Stay updated on AQI near you

0.45ppm

How accurate is Missouri, USA air quality data?

Air quality and pollutant data for Missouri, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

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Frequently asked questions

How often is air quality information updated for Union, Missouri?

The air quality information for Union, Missouri is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Union, Missouri at its worst?

In the past 24 hours, the air quality in Union, Missouri was at its worst at 08:00:00 on 2026-03-05.

When did Union, Missouri experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Union, Missouri was observed at 11:00:00 on 2026-03-05.

What is the AQI in Union, Missouri right now?

As of now, the AQI in Union, Missouri is 44, indicating Good conditions.

What is the most common type of pollution in Union, Missouri?

Union, Missouri air has the highest levels of PM2.5.

What should I do in case of poor air quality in Union, Missouri?

Poor air quality in Union, Missouri means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in Union, Missouri at the moment?

PM_2.5 levels in Union, Missouri are currently 7.632 μg/m³.

What is the PM₁₀ level in Union, Missouri at the moment?

The PM₁₀ concentration in Union, Missouri is 23.416 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Union, Missouri at the moment?

The current carbon monoxide (CO) concentration in Union, Missouri is 0.446 ppm.

What is the sulfur dioxide (SO₂) level in Union, Missouri at the moment?

Currently, Union, Missouri has a sulfur dioxide (SO₂) concentration of 0.269 ppb.

What is the ozone (O₃) level in Union, Missouri at the moment?

The current ozone (O₃) level in Union, Missouri at the moment is 5.817 ppm.

What is the nitrogen dioxide (NO₂) level in Union, Missouri at the moment?

Nitrogen dioxide (NO₂) level in Union, Missouri at the moment is 8.667 ppb.

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