What are the current PM10 levels at Florissant, Missouri?

The current PM10 levels in Florissant, Missouri are 55.222 μg/m3.

What are the current sulfur dioxide (SO2) levels at Florissant, Missouri?

The current sulfur dioxide (SO2) levels in Florissant, Missouri are 0.932 ppb.

What are the current ozone (O3) levels at Florissant, Missouri?

The current ozone (O3) levels at Florissant, Missouri is 16.859 ppm.

What are the current nitrogen dioxide (NO2) levels at Florissant, Missouri?

The current nitrogen dioxide (NO2) levels at Florissant, Missouri is 10.011 ppb.

Real-time air quality index in Florissant, Missouri today

Q: What are the current PM2.5 levels in Florissant, Missouri?

The measured PM2.5 levels in Florissant, Missouri at present are 13.691 μg/m3.

Stay updated with real-time air quality in Florissant, 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)

Moderate

Florissant, Missouri

Last updated: ... (Local time)

Common air pollutants in Florissant, Missouri

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

13.69 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

55.22 μg/m³

155

255

425

605+

Ozone (O₃)

16.86 ppb

201

201+

Sulfur Dioxide (SO₂)

0.93 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

10.01 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.29 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Florissant, Missouri

Get Live Pollen Counts

Florissant, Missouri

Scroll To Air Quality Map

Track live Florissant, Missouri air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T08:00:00.000Z	49 \| good	8.826 \| good	32.937 \| good	12.626 \| good	1.144 \| good	14.873 \| good	0.238 \| good
2025-12-05T09:00:00.000Z	52 \| moderate	9.597 \| good	36.091 \| good	11.485 \| good	0.997 \| good	17.131 \| good	0.285 \| good
2025-12-05T10:00:00.000Z	52 \| moderate	10.407 \| good	41.827 \| good	10.924 \| good	0.747 \| good	16.988 \| good	0.285 \| good
2025-12-05T11:00:00.000Z	54 \| moderate	10.884 \| good	47.118 \| good	7.468 \| good	1.279 \| good	16.545 \| good	0.322 \| good
2025-12-05T12:00:00.000Z	58 \| moderate	12.988 \| fine	64.71 \| fine	5.646 \| good	0.963 \| good	25.86 \| good	0.372 \| good
2025-12-05T13:00:00.000Z	60 \| moderate	14.172 \| fine	65.585 \| fine	6.028 \| good	0.732 \| good	25.071 \| good	0.418 \| good
2025-12-05T14:00:00.000Z	60 \| moderate	13.941 \| fine	54.185 \| good	8.232 \| good	1.459 \| good	23.634 \| good	0.488 \| good
2025-12-05T15:00:00.000Z	62 \| moderate	14.763 \| fine	60.966 \| fine	8.653 \| good	2.232 \| good	22.043 \| good	0.387 \| good
2025-12-05T16:00:00.000Z	67 \| moderate	18.466 \| fine	60.647 \| fine	11.995 \| good	0.635 \| good	20.274 \| good	0.337 \| good
2025-12-05T17:00:00.000Z	69 \| moderate	18.761 \| fine	79.58 \| fine	14.759 \| good	0.973 \| good	17.128 \| good	0.38 \| good
2025-12-05T18:00:00.000Z	66 \| moderate	16.596 \| fine	66.158 \| fine	21.219 \| good	1.973 \| good	13.95 \| good	0.33 \| good
2025-12-05T19:00:00.000Z	66 \| moderate	16.584 \| fine	66.077 \| fine	19.892 \| good	0.975 \| good	11.32 \| good	0.288 \| good
2025-12-05T20:00:00.000Z	64 \| moderate	16.306 \| fine	69.606 \| fine	23.392 \| good	1.461 \| good	12.326 \| good	0.292 \| good
2025-12-05T21:00:00.000Z	58 \| moderate	13.167 \| fine	54.384 \| good	20.851 \| good	1.67 \| good	10.378 \| good	0.288 \| good
2025-12-05T22:00:00.000Z	52 \| moderate	10.005 \| good	42.097 \| good	16.943 \| good	0.86 \| good	11.401 \| good	0.292 \| good
2025-12-05T23:00:00.000Z	49 \| good	9.48 \| good	44.136 \| good	15.196 \| good	0.625 \| good	13.342 \| good	0.376 \| good
2025-12-06T00:00:00.000Z	52 \| moderate	9.665 \| good	48.962 \| good	12.696 \| good	0.725 \| good	14.412 \| good	0.422 \| good
2025-12-06T01:00:00.000Z	52 \| moderate	10.086 \| good	49.676 \| good	13.183 \| good	0.658 \| good	15.81 \| good	0.38 \| good
2025-12-06T02:00:00.000Z	52 \| moderate	9.574 \| good	46.94 \| good	11.476 \| good	1.401 \| good	18.033 \| good	0.38 \| good
2025-12-06T03:00:00.000Z	54 \| moderate	10.684 \| good	46.795 \| good	11.627 \| good	1.404 \| good	16.845 \| good	0.287 \| good
2025-12-06T04:00:00.000Z	54 \| moderate	11.196 \| good	52.096 \| good	14.112 \| good	1.503 \| good	16.609 \| good	0.287 \| good
2025-12-06T05:00:00.000Z	54 \| moderate	11.374 \| good	43.194 \| good	17.834 \| good	1.641 \| good	14.756 \| good	0.329 \| good
2025-12-06T06:00:00.000Z	54 \| moderate	10.792 \| good	44.299 \| good	17.956 \| good	0.724 \| good	12.437 \| good	0.241 \| good
2025-12-06T07:00:00.000Z	52 \| moderate	10.409 \| good	34.78 \| good	17.349 \| good	0.721 \| good	12.463 \| good	0.234 \| good
2025-12-06T08:00:00.000Z	56 \| moderate	11.517 \| good	52.179 \| good	15.915 \| good	0.722 \| good	12.503 \| good	0.234 \| good
2025-12-06T09:00:00.000Z	56 \| moderate	12.247 \| fine	54.969 \| good	11.062 \| good	0.614 \| good	6.682 \| good	0.234 \| good
2025-12-06T10:00:00.000Z	58 \| moderate	12.552 \| fine	56.431 \| fine	11.224 \| good	0.557 \| good	6.267 \| good	0.234 \| good
2025-12-06T11:00:00.000Z	58 \| moderate	12.881 \| fine	58.789 \| fine	10.778 \| good	0.52 \| good	7.467 \| good	0.276 \| good
2025-12-06T12:00:00.000Z	60 \| moderate	13.855 \| fine	54.852 \| good	10.707 \| good	0.448 \| good	10.376 \| good	0.234 \| good
2025-12-06T13:00:00.000Z	60 \| moderate	14.162 \| fine	52.524 \| good	7.8 \| good	0.421 \| good	8.351 \| good	0.28 \| good
2025-12-06T14:00:00.000Z	58 \| moderate	12.761 \| fine	55.824 \| fine	4.591 \| good	0.463 \| good	7.824 \| good	0.33 \| good
2025-12-06T15:00:00.000Z	60 \| moderate	13.682 \| fine	51.838 \| good	5.881 \| good	0.526 \| good	6.627 \| good	0.28 \| good
2025-12-06T16:00:00.000Z	67 \| moderate	17.713 \| fine	46.322 \| good	10.124 \| good	0.534 \| good	5.793 \| good	0.284 \| good
2025-12-06T17:00:00.000Z	62 \| moderate	14.628 \| fine	39.103 \| good	14.522 \| good	1.272 \| good	5.559 \| good	0.284 \| good
2025-12-06T18:00:00.000Z	58 \| moderate	13.253 \| fine	49.184 \| good	16.949 \| good	1.769 \| good	4.995 \| good	0.284 \| good
2025-12-06T19:00:00.000Z	56 \| moderate	11.873 \| good	42.308 \| good	19.382 \| good	4.609 \| good	5.236 \| good	0.287 \| good
2025-12-06T20:00:00.000Z	56 \| moderate	12.062 \| good	48.997 \| good	21.176 \| good	2.683 \| good	8.223 \| good	0.284 \| good
2025-12-06T21:00:00.000Z	56 \| moderate	12.381 \| fine	52.333 \| good	22.447 \| good	1.515 \| good	8.974 \| good	0.238 \| good
2025-12-06T22:00:00.000Z	58 \| moderate	12.713 \| fine	53.516 \| good	18.358 \| good	1.168 \| good	10.273 \| good	0.33 \| good
2025-12-06T23:00:00.000Z	54 \| moderate	11.305 \| good	41.036 \| good	18.978 \| good	0.667 \| good	12.443 \| good	0.334 \| good
2025-12-07T00:00:00.000Z	58 \| moderate	12.638 \| fine	58.871 \| fine	18.049 \| good	0.947 \| good	14.414 \| good	0.334 \| good
2025-12-07T01:00:00.000Z	58 \| moderate	12.785 \| fine	53.136 \| good	19.898 \| good	1.094 \| good	11.653 \| good	0.284 \| good
2025-12-07T02:00:00.000Z	56 \| moderate	12.033 \| good	54.456 \| good	16.367 \| good	1.051 \| good	11.245 \| good	0.291 \| good
2025-12-07T03:00:00.000Z	56 \| moderate	12.101 \| fine	49.642 \| good	14.619 \| good	0.775 \| good	8.977 \| good	0.245 \| good
2025-12-07T04:00:00.000Z	54 \| moderate	11.298 \| good	52.797 \| good	18.162 \| good	0.767 \| good	8.975 \| good	0.245 \| good
2025-12-07T05:00:00.000Z	60 \| moderate	13.739 \| fine	56.89 \| fine	17.223 \| good	0.912 \| good	9.244 \| good	0.291 \| good
2025-12-07T06:00:00.000Z	60 \| moderate	14.082 \| fine	63.064 \| fine	16.922 \| good	0.896 \| good	9.212 \| good	0.284 \| good
2025-12-07T07:00:00.000Z	64 \| moderate	15.945 \| fine	44.96 \| good	14.5 \| good	0.895 \| good	9.117 \| good	0.291 \| good
2025-12-07T07:00:00.000Z	60 \| moderate	13.691 \| fine	55.222 \| fine	16.859 \| good	0.932 \| good	10.011 \| good	0.29 \| good
2025-12-07T08:00:00.000Z	64 \| moderate	16.456 \| fine	73.205 \| fine	9.482 \| good	0.686 \| good	6.837 \| good	0.212 \| good
2025-12-07T09:00:00.000Z	64 \| moderate	16.203 \| fine	71.839 \| fine	7.801 \| good	0.652 \| good	6.06 \| good	0.207 \| good
2025-12-07T10:00:00.000Z	66 \| moderate	16.94 \| fine	75.496 \| fine	6.547 \| good	0.686 \| good	6.88 \| good	0.21 \| good
2025-12-07T11:00:00.000Z	67 \| moderate	18.243 \| fine	80.796 \| fine	2.439 \| good	0.719 \| good	7.7 \| good	0.213 \| good
2025-12-07T12:00:00.000Z	67 \| moderate	17.933 \| fine	79.407 \| fine	3.124 \| good	0.753 \| good	8.52 \| good	0.216 \| good
2025-12-07T13:00:00.000Z	71 \| moderate	19.833 \| fine	87.189 \| fine	3.944 \| good	0.826 \| good	10.024 \| good	0.245 \| good
2025-12-07T14:00:00.000Z	73 \| moderate	20.745 \| fine	91.39 \| fine	8.211 \| good	0.899 \| good	11.527 \| good	0.274 \| good
2025-12-07T15:00:00.000Z	71 \| moderate	20.465 \| fine	89.776 \| fine	18.638 \| good	0.972 \| good	13.031 \| good	0.303 \| good
2025-12-07T16:00:00.000Z	71 \| moderate	19.732 \| fine	87.201 \| fine	18.86 \| good	0.887 \| good	10.656 \| good	0.278 \| good
2025-12-07T17:00:00.000Z	75 \| moderate	21.996 \| fine	96.492 \| fine	16.642 \| good	0.803 \| good	8.28 \| good	0.254 \| good
2025-12-07T18:00:00.000Z	77 \| moderate	23.069 \| fine	101.016 \| fine	17.67 \| good	0.718 \| good	5.905 \| good	0.229 \| good
2025-12-07T19:00:00.000Z	69 \| moderate	18.777 \| fine	83.368 \| fine	21.34 \| good	0.895 \| good	6.546 \| good	0.23 \| good
2025-12-07T20:00:00.000Z	62 \| moderate	15.388 \| fine	69.082 \| fine	20.632 \| good	1.072 \| good	7.187 \| good	0.23 \| good
2025-12-07T21:00:00.000Z	54 \| moderate	11.387 \| good	50.41 \| good	19.886 \| good	1.248 \| good	7.828 \| good	0.23 \| good
2025-12-07T22:00:00.000Z	49 \| good	8.745 \| good	38.288 \| good	20.668 \| good	1.141 \| good	7.47 \| good	0.225 \| good
2025-12-07T23:00:00.000Z	44 \| good	8.358 \| good	36.858 \| good	21.67 \| good	1.034 \| good	7.113 \| good	0.219 \| good
2025-12-08T00:00:00.000Z	38 \| good	7.142 \| good	31.576 \| good	19.734 \| good	0.926 \| good	6.755 \| good	0.214 \| good
2025-12-08T01:00:00.000Z	38 \| good	6.844 \| good	30.323 \| good	17.54 \| good	0.858 \| good	6.002 \| good	0.21 \| good
2025-12-08T02:00:00.000Z	44 \| good	7.744 \| good	34.027 \| good	13.9 \| good	0.79 \| good	5.248 \| good	0.206 \| good
2025-12-08T03:00:00.000Z	44 \| good	8.071 \| good	35.578 \| good	14.792 \| good	0.721 \| good	4.495 \| good	0.202 \| good
2025-12-08T04:00:00.000Z	44 \| good	8.188 \| good	36.176 \| good	17.133 \| good	0.711 \| good	4.353 \| good	0.201 \| good
2025-12-08T05:00:00.000Z	49 \| good	8.973 \| good	40.379 \| good	19.735 \| good	0.7 \| good	4.211 \| good	0.2 \| good
2025-12-08T06:00:00.000Z	44 \| good	8.19 \| good	36.178 \| good	18.264 \| good	0.689 \| good	4.069 \| good	0.199 \| good
2025-12-08T07:00:00.000Z	44 \| good	8.25 \| good	36.148 \| good	16.678 \| good	0.674 \| good	3.999 \| good	0.197 \| good
2025-12-08T08:00:00.000Z	44 \| good	8.044 \| good	35.198 \| good	15.828 \| good	0.659 \| good	3.929 \| good	0.195 \| good
2025-12-08T09:00:00.000Z	49 \| good	8.734 \| good	38.317 \| good	15.849 \| good	0.644 \| good	3.859 \| good	0.193 \| good
2025-12-08T10:00:00.000Z	49 \| good	9.351 \| good	41.644 \| good	12.974 \| good	0.646 \| good	4.111 \| good	0.193 \| good
2025-12-08T11:00:00.000Z	44 \| good	8.152 \| good	35.83 \| good	14.188 \| good	0.649 \| good	4.363 \| good	0.194 \| good
2025-12-08T12:00:00.000Z	49 \| good	8.891 \| good	39.11 \| good	15.62 \| good	0.651 \| good	4.615 \| good	0.195 \| good
2025-12-08T13:00:00.000Z	49 \| good	8.705 \| good	38.662 \| good	16.901 \| good	0.77 \| good	5.39 \| good	0.204 \| good
2025-12-08T14:00:00.000Z	44 \| good	7.948 \| good	34.78 \| good	18.309 \| good	0.888 \| good	6.165 \| good	0.213 \| good
2025-12-08T15:00:00.000Z	44 \| good	8.176 \| good	35.758 \| good	16.433 \| good	1.007 \| good	6.94 \| good	0.223 \| good
2025-12-08T16:00:00.000Z	44 \| good	8.106 \| good	35.309 \| good	16.885 \| good	1.341 \| good	6.455 \| good	0.215 \| good
2025-12-08T17:00:00.000Z	49 \| good	9.459 \| good	42.331 \| good	16.595 \| good	1.674 \| good	5.969 \| good	0.207 \| good
2025-12-08T18:00:00.000Z	52 \| moderate	9.765 \| good	43.405 \| good	17.317 \| good	2.008 \| good	5.484 \| good	0.2 \| good
2025-12-08T19:00:00.000Z	52 \| moderate	9.578 \| good	42.692 \| good	17.929 \| good	2.219 \| good	6.198 \| good	0.202 \| good
2025-12-08T20:00:00.000Z	54 \| moderate	10.812 \| good	47.948 \| good	19.754 \| good	2.43 \| good	6.912 \| good	0.204 \| good
2025-12-08T21:00:00.000Z	54 \| moderate	11.18 \| good	49.285 \| good	19.216 \| good	2.641 \| good	7.626 \| good	0.206 \| good
2025-12-08T22:00:00.000Z	56 \| moderate	11.738 \| good	51.863 \| good	14.106 \| good	2.594 \| good	13.648 \| good	0.248 \| good
2025-12-08T23:00:00.000Z	60 \| moderate	14.158 \| fine	63.56 \| fine	6.781 \| good	2.546 \| good	19.669 \| good	0.29 \| good
2025-12-09T00:00:00.000Z	73 \| moderate	21.05 \| fine	92.387 \| fine	3.21 \| good	2.499 \| good	25.69 \| good	0.333 \| good
2025-12-09T01:00:00.000Z	79 \| moderate	23.526 \| fine	102.761 \| fine	0.679 \| good	2.645 \| good	23.007 \| good	0.314 \| good
2025-12-09T02:00:00.000Z	73 \| moderate	21.424 \| fine	93.748 \| fine	0.339 \| good	2.792 \| good	20.323 \| good	0.296 \| good
2025-12-09T03:00:00.000Z	69 \| moderate	18.841 \| fine	82.926 \| fine	0.933 \| good	2.938 \| good	17.64 \| good	0.277 \| good
2025-12-09T04:00:00.000Z	64 \| moderate	16.41 \| fine	72.703 \| fine	2.06 \| good	2.451 \| good	14.121 \| good	0.255 \| good
2025-12-09T05:00:00.000Z	66 \| moderate	16.627 \| fine	73.872 \| fine	4.935 \| good	1.964 \| good	10.603 \| good	0.233 \| good
2025-12-09T06:00:00.000Z	52 \| moderate	9.563 \| good	9.657 \| good	24.327 \| good	1.474 \| good	7.104 \| good	0.211 \| good
2025-12-09T07:00:00.000Z	52 \| moderate	10.202 \| good	45.414 \| good	15.729 \| good	1.232 \| good	5.635 \| good	0.201 \| good

Florissant

Empower business decisions with accurate air quality data

Florissant, Missouri air quality map: Real-time AQI near you

0.28ppm

How accurate is Missouri, USA air quality data?

Air quality measurements for Missouri, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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Frequently asked questions

How frequently is the air quality data for Florissant, Missouri updated?

Air quality data for Florissant, Missouri is updated on an hourly basis.

When did Florissant, Missouri experience the worst air quality in the last 24 hours?

The worst air quality in Florissant, Missouri was recorded at 04:00:00 on 2025-12-06.

When did Florissant, Missouri have its best air quality in the last 24 hours?

The best air quality in Florissant, Missouri was recorded at 07:00:00 on 2025-12-06.

What is the real-time air quality index for Florissant, Missouri?

The real-time air quality index in Florissant, Missouri is 60, currently categorized as Moderate.

Which pollutant is found most often in Florissant, Missouri?

The most common pollutant in Florissant, Missouri is PM2.5.

What can I do if the air quality in Florissant, Missouri is poor?

If the air quality in Florissant, Missouri is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Florissant, Missouri?

The measured PM_2.5 levels in Florissant, Missouri at present are 13.691 μg/m³.

What are the current PM₁₀ levels at Florissant, Missouri?

The current PM₁₀ levels in Florissant, Missouri are 55.222 μg/m³.

What are the current carbon monoxide (CO) levels at Florissant, Missouri?

The current carbon monoxide (CO) level in Florissant, Missouri is 0.29 ppm.

What are the current sulfur dioxide (SO₂) levels at Florissant, Missouri?

The current sulfur dioxide (SO₂) levels in Florissant, Missouri are 0.932 ppb.

What are the current ozone (O₃) levels at Florissant, Missouri?

The current ozone (O₃) levels at Florissant, Missouri is 16.859 ppm.

What are the current nitrogen dioxide (NO₂) levels at Florissant, Missouri?

The current nitrogen dioxide (NO₂) levels at Florissant, Missouri is 10.011 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T08:00:00.000Z	49 \| good	8.826 \| good	32.937 \| good	12.626 \| good	1.144 \| good	14.873 \| good	0.238 \| good
2025-12-05T09:00:00.000Z	52 \| moderate	9.597 \| good	36.091 \| good	11.485 \| good	0.997 \| good	17.131 \| good	0.285 \| good
2025-12-05T10:00:00.000Z	52 \| moderate	10.407 \| good	41.827 \| good	10.924 \| good	0.747 \| good	16.988 \| good	0.285 \| good
2025-12-05T11:00:00.000Z	54 \| moderate	10.884 \| good	47.118 \| good	7.468 \| good	1.279 \| good	16.545 \| good	0.322 \| good
2025-12-05T12:00:00.000Z	58 \| moderate	12.988 \| fine	64.71 \| fine	5.646 \| good	0.963 \| good	25.86 \| good	0.372 \| good
2025-12-05T13:00:00.000Z	60 \| moderate	14.172 \| fine	65.585 \| fine	6.028 \| good	0.732 \| good	25.071 \| good	0.418 \| good
2025-12-05T14:00:00.000Z	60 \| moderate	13.941 \| fine	54.185 \| good	8.232 \| good	1.459 \| good	23.634 \| good	0.488 \| good
2025-12-05T15:00:00.000Z	62 \| moderate	14.763 \| fine	60.966 \| fine	8.653 \| good	2.232 \| good	22.043 \| good	0.387 \| good
2025-12-05T16:00:00.000Z	67 \| moderate	18.466 \| fine	60.647 \| fine	11.995 \| good	0.635 \| good	20.274 \| good	0.337 \| good
2025-12-05T17:00:00.000Z	69 \| moderate	18.761 \| fine	79.58 \| fine	14.759 \| good	0.973 \| good	17.128 \| good	0.38 \| good
2025-12-05T18:00:00.000Z	66 \| moderate	16.596 \| fine	66.158 \| fine	21.219 \| good	1.973 \| good	13.95 \| good	0.33 \| good
2025-12-05T19:00:00.000Z	66 \| moderate	16.584 \| fine	66.077 \| fine	19.892 \| good	0.975 \| good	11.32 \| good	0.288 \| good
2025-12-05T20:00:00.000Z	64 \| moderate	16.306 \| fine	69.606 \| fine	23.392 \| good	1.461 \| good	12.326 \| good	0.292 \| good
2025-12-05T21:00:00.000Z	58 \| moderate	13.167 \| fine	54.384 \| good	20.851 \| good	1.67 \| good	10.378 \| good	0.288 \| good
2025-12-05T22:00:00.000Z	52 \| moderate	10.005 \| good	42.097 \| good	16.943 \| good	0.86 \| good	11.401 \| good	0.292 \| good
2025-12-05T23:00:00.000Z	49 \| good	9.48 \| good	44.136 \| good	15.196 \| good	0.625 \| good	13.342 \| good	0.376 \| good
2025-12-06T00:00:00.000Z	52 \| moderate	9.665 \| good	48.962 \| good	12.696 \| good	0.725 \| good	14.412 \| good	0.422 \| good
2025-12-06T01:00:00.000Z	52 \| moderate	10.086 \| good	49.676 \| good	13.183 \| good	0.658 \| good	15.81 \| good	0.38 \| good
2025-12-06T02:00:00.000Z	52 \| moderate	9.574 \| good	46.94 \| good	11.476 \| good	1.401 \| good	18.033 \| good	0.38 \| good
2025-12-06T03:00:00.000Z	54 \| moderate	10.684 \| good	46.795 \| good	11.627 \| good	1.404 \| good	16.845 \| good	0.287 \| good
2025-12-06T04:00:00.000Z	54 \| moderate	11.196 \| good	52.096 \| good	14.112 \| good	1.503 \| good	16.609 \| good	0.287 \| good
2025-12-06T05:00:00.000Z	54 \| moderate	11.374 \| good	43.194 \| good	17.834 \| good	1.641 \| good	14.756 \| good	0.329 \| good
2025-12-06T06:00:00.000Z	54 \| moderate	10.792 \| good	44.299 \| good	17.956 \| good	0.724 \| good	12.437 \| good	0.241 \| good
2025-12-06T07:00:00.000Z	52 \| moderate	10.409 \| good	34.78 \| good	17.349 \| good	0.721 \| good	12.463 \| good	0.234 \| good
2025-12-06T08:00:00.000Z	56 \| moderate	11.517 \| good	52.179 \| good	15.915 \| good	0.722 \| good	12.503 \| good	0.234 \| good
2025-12-06T09:00:00.000Z	56 \| moderate	12.247 \| fine	54.969 \| good	11.062 \| good	0.614 \| good	6.682 \| good	0.234 \| good
2025-12-06T10:00:00.000Z	58 \| moderate	12.552 \| fine	56.431 \| fine	11.224 \| good	0.557 \| good	6.267 \| good	0.234 \| good
2025-12-06T11:00:00.000Z	58 \| moderate	12.881 \| fine	58.789 \| fine	10.778 \| good	0.52 \| good	7.467 \| good	0.276 \| good
2025-12-06T12:00:00.000Z	60 \| moderate	13.855 \| fine	54.852 \| good	10.707 \| good	0.448 \| good	10.376 \| good	0.234 \| good
2025-12-06T13:00:00.000Z	60 \| moderate	14.162 \| fine	52.524 \| good	7.8 \| good	0.421 \| good	8.351 \| good	0.28 \| good
2025-12-06T14:00:00.000Z	58 \| moderate	12.761 \| fine	55.824 \| fine	4.591 \| good	0.463 \| good	7.824 \| good	0.33 \| good
2025-12-06T15:00:00.000Z	60 \| moderate	13.682 \| fine	51.838 \| good	5.881 \| good	0.526 \| good	6.627 \| good	0.28 \| good
2025-12-06T16:00:00.000Z	67 \| moderate	17.713 \| fine	46.322 \| good	10.124 \| good	0.534 \| good	5.793 \| good	0.284 \| good
2025-12-06T17:00:00.000Z	62 \| moderate	14.628 \| fine	39.103 \| good	14.522 \| good	1.272 \| good	5.559 \| good	0.284 \| good
2025-12-06T18:00:00.000Z	58 \| moderate	13.253 \| fine	49.184 \| good	16.949 \| good	1.769 \| good	4.995 \| good	0.284 \| good
2025-12-06T19:00:00.000Z	56 \| moderate	11.873 \| good	42.308 \| good	19.382 \| good	4.609 \| good	5.236 \| good	0.287 \| good
2025-12-06T20:00:00.000Z	56 \| moderate	12.062 \| good	48.997 \| good	21.176 \| good	2.683 \| good	8.223 \| good	0.284 \| good
2025-12-06T21:00:00.000Z	56 \| moderate	12.381 \| fine	52.333 \| good	22.447 \| good	1.515 \| good	8.974 \| good	0.238 \| good
2025-12-06T22:00:00.000Z	58 \| moderate	12.713 \| fine	53.516 \| good	18.358 \| good	1.168 \| good	10.273 \| good	0.33 \| good
2025-12-06T23:00:00.000Z	54 \| moderate	11.305 \| good	41.036 \| good	18.978 \| good	0.667 \| good	12.443 \| good	0.334 \| good
2025-12-07T00:00:00.000Z	58 \| moderate	12.638 \| fine	58.871 \| fine	18.049 \| good	0.947 \| good	14.414 \| good	0.334 \| good
2025-12-07T01:00:00.000Z	58 \| moderate	12.785 \| fine	53.136 \| good	19.898 \| good	1.094 \| good	11.653 \| good	0.284 \| good
2025-12-07T02:00:00.000Z	56 \| moderate	12.033 \| good	54.456 \| good	16.367 \| good	1.051 \| good	11.245 \| good	0.291 \| good
2025-12-07T03:00:00.000Z	56 \| moderate	12.101 \| fine	49.642 \| good	14.619 \| good	0.775 \| good	8.977 \| good	0.245 \| good
2025-12-07T04:00:00.000Z	54 \| moderate	11.298 \| good	52.797 \| good	18.162 \| good	0.767 \| good	8.975 \| good	0.245 \| good
2025-12-07T05:00:00.000Z	60 \| moderate	13.739 \| fine	56.89 \| fine	17.223 \| good	0.912 \| good	9.244 \| good	0.291 \| good
2025-12-07T06:00:00.000Z	60 \| moderate	14.082 \| fine	63.064 \| fine	16.922 \| good	0.896 \| good	9.212 \| good	0.284 \| good
2025-12-07T07:00:00.000Z	64 \| moderate	15.945 \| fine	44.96 \| good	14.5 \| good	0.895 \| good	9.117 \| good	0.291 \| good
2025-12-07T07:00:00.000Z	60 \| moderate	13.691 \| fine	55.222 \| fine	16.859 \| good	0.932 \| good	10.011 \| good	0.29 \| good
2025-12-07T08:00:00.000Z	64 \| moderate	16.456 \| fine	73.205 \| fine	9.482 \| good	0.686 \| good	6.837 \| good	0.212 \| good
2025-12-07T09:00:00.000Z	64 \| moderate	16.203 \| fine	71.839 \| fine	7.801 \| good	0.652 \| good	6.06 \| good	0.207 \| good
2025-12-07T10:00:00.000Z	66 \| moderate	16.94 \| fine	75.496 \| fine	6.547 \| good	0.686 \| good	6.88 \| good	0.21 \| good
2025-12-07T11:00:00.000Z	67 \| moderate	18.243 \| fine	80.796 \| fine	2.439 \| good	0.719 \| good	7.7 \| good	0.213 \| good
2025-12-07T12:00:00.000Z	67 \| moderate	17.933 \| fine	79.407 \| fine	3.124 \| good	0.753 \| good	8.52 \| good	0.216 \| good
2025-12-07T13:00:00.000Z	71 \| moderate	19.833 \| fine	87.189 \| fine	3.944 \| good	0.826 \| good	10.024 \| good	0.245 \| good
2025-12-07T14:00:00.000Z	73 \| moderate	20.745 \| fine	91.39 \| fine	8.211 \| good	0.899 \| good	11.527 \| good	0.274 \| good
2025-12-07T15:00:00.000Z	71 \| moderate	20.465 \| fine	89.776 \| fine	18.638 \| good	0.972 \| good	13.031 \| good	0.303 \| good
2025-12-07T16:00:00.000Z	71 \| moderate	19.732 \| fine	87.201 \| fine	18.86 \| good	0.887 \| good	10.656 \| good	0.278 \| good
2025-12-07T17:00:00.000Z	75 \| moderate	21.996 \| fine	96.492 \| fine	16.642 \| good	0.803 \| good	8.28 \| good	0.254 \| good
2025-12-07T18:00:00.000Z	77 \| moderate	23.069 \| fine	101.016 \| fine	17.67 \| good	0.718 \| good	5.905 \| good	0.229 \| good
2025-12-07T19:00:00.000Z	69 \| moderate	18.777 \| fine	83.368 \| fine	21.34 \| good	0.895 \| good	6.546 \| good	0.23 \| good
2025-12-07T20:00:00.000Z	62 \| moderate	15.388 \| fine	69.082 \| fine	20.632 \| good	1.072 \| good	7.187 \| good	0.23 \| good
2025-12-07T21:00:00.000Z	54 \| moderate	11.387 \| good	50.41 \| good	19.886 \| good	1.248 \| good	7.828 \| good	0.23 \| good
2025-12-07T22:00:00.000Z	49 \| good	8.745 \| good	38.288 \| good	20.668 \| good	1.141 \| good	7.47 \| good	0.225 \| good
2025-12-07T23:00:00.000Z	44 \| good	8.358 \| good	36.858 \| good	21.67 \| good	1.034 \| good	7.113 \| good	0.219 \| good
2025-12-08T00:00:00.000Z	38 \| good	7.142 \| good	31.576 \| good	19.734 \| good	0.926 \| good	6.755 \| good	0.214 \| good
2025-12-08T01:00:00.000Z	38 \| good	6.844 \| good	30.323 \| good	17.54 \| good	0.858 \| good	6.002 \| good	0.21 \| good
2025-12-08T02:00:00.000Z	44 \| good	7.744 \| good	34.027 \| good	13.9 \| good	0.79 \| good	5.248 \| good	0.206 \| good
2025-12-08T03:00:00.000Z	44 \| good	8.071 \| good	35.578 \| good	14.792 \| good	0.721 \| good	4.495 \| good	0.202 \| good
2025-12-08T04:00:00.000Z	44 \| good	8.188 \| good	36.176 \| good	17.133 \| good	0.711 \| good	4.353 \| good	0.201 \| good
2025-12-08T05:00:00.000Z	49 \| good	8.973 \| good	40.379 \| good	19.735 \| good	0.7 \| good	4.211 \| good	0.2 \| good
2025-12-08T06:00:00.000Z	44 \| good	8.19 \| good	36.178 \| good	18.264 \| good	0.689 \| good	4.069 \| good	0.199 \| good
2025-12-08T07:00:00.000Z	44 \| good	8.25 \| good	36.148 \| good	16.678 \| good	0.674 \| good	3.999 \| good	0.197 \| good
2025-12-08T08:00:00.000Z	44 \| good	8.044 \| good	35.198 \| good	15.828 \| good	0.659 \| good	3.929 \| good	0.195 \| good
2025-12-08T09:00:00.000Z	49 \| good	8.734 \| good	38.317 \| good	15.849 \| good	0.644 \| good	3.859 \| good	0.193 \| good
2025-12-08T10:00:00.000Z	49 \| good	9.351 \| good	41.644 \| good	12.974 \| good	0.646 \| good	4.111 \| good	0.193 \| good
2025-12-08T11:00:00.000Z	44 \| good	8.152 \| good	35.83 \| good	14.188 \| good	0.649 \| good	4.363 \| good	0.194 \| good
2025-12-08T12:00:00.000Z	49 \| good	8.891 \| good	39.11 \| good	15.62 \| good	0.651 \| good	4.615 \| good	0.195 \| good
2025-12-08T13:00:00.000Z	49 \| good	8.705 \| good	38.662 \| good	16.901 \| good	0.77 \| good	5.39 \| good	0.204 \| good
2025-12-08T14:00:00.000Z	44 \| good	7.948 \| good	34.78 \| good	18.309 \| good	0.888 \| good	6.165 \| good	0.213 \| good
2025-12-08T15:00:00.000Z	44 \| good	8.176 \| good	35.758 \| good	16.433 \| good	1.007 \| good	6.94 \| good	0.223 \| good
2025-12-08T16:00:00.000Z	44 \| good	8.106 \| good	35.309 \| good	16.885 \| good	1.341 \| good	6.455 \| good	0.215 \| good
2025-12-08T17:00:00.000Z	49 \| good	9.459 \| good	42.331 \| good	16.595 \| good	1.674 \| good	5.969 \| good	0.207 \| good
2025-12-08T18:00:00.000Z	52 \| moderate	9.765 \| good	43.405 \| good	17.317 \| good	2.008 \| good	5.484 \| good	0.2 \| good
2025-12-08T19:00:00.000Z	52 \| moderate	9.578 \| good	42.692 \| good	17.929 \| good	2.219 \| good	6.198 \| good	0.202 \| good
2025-12-08T20:00:00.000Z	54 \| moderate	10.812 \| good	47.948 \| good	19.754 \| good	2.43 \| good	6.912 \| good	0.204 \| good
2025-12-08T21:00:00.000Z	54 \| moderate	11.18 \| good	49.285 \| good	19.216 \| good	2.641 \| good	7.626 \| good	0.206 \| good
2025-12-08T22:00:00.000Z	56 \| moderate	11.738 \| good	51.863 \| good	14.106 \| good	2.594 \| good	13.648 \| good	0.248 \| good
2025-12-08T23:00:00.000Z	60 \| moderate	14.158 \| fine	63.56 \| fine	6.781 \| good	2.546 \| good	19.669 \| good	0.29 \| good
2025-12-09T00:00:00.000Z	73 \| moderate	21.05 \| fine	92.387 \| fine	3.21 \| good	2.499 \| good	25.69 \| good	0.333 \| good
2025-12-09T01:00:00.000Z	79 \| moderate	23.526 \| fine	102.761 \| fine	0.679 \| good	2.645 \| good	23.007 \| good	0.314 \| good
2025-12-09T02:00:00.000Z	73 \| moderate	21.424 \| fine	93.748 \| fine	0.339 \| good	2.792 \| good	20.323 \| good	0.296 \| good
2025-12-09T03:00:00.000Z	69 \| moderate	18.841 \| fine	82.926 \| fine	0.933 \| good	2.938 \| good	17.64 \| good	0.277 \| good
2025-12-09T04:00:00.000Z	64 \| moderate	16.41 \| fine	72.703 \| fine	2.06 \| good	2.451 \| good	14.121 \| good	0.255 \| good
2025-12-09T05:00:00.000Z	66 \| moderate	16.627 \| fine	73.872 \| fine	4.935 \| good	1.964 \| good	10.603 \| good	0.233 \| good
2025-12-09T06:00:00.000Z	52 \| moderate	9.563 \| good	9.657 \| good	24.327 \| good	1.474 \| good	7.104 \| good	0.211 \| good
2025-12-09T07:00:00.000Z	52 \| moderate	10.202 \| good	45.414 \| good	15.729 \| good	1.232 \| good	5.635 \| good	0.201 \| good

Real-time air quality index in Florissant, Missouri today

Common air pollutants in Florissant, Missouri

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Florissant, Missouri air quality forecast and history

Empower business decisions with accurate air quality data

Florissant, Missouri air quality map: Real-time AQI near you

Air quality in nearby cities

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Ferguson, Missouri

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St. Ann, Missouri

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How accurate is Missouri, USA air quality data?

Air quality levels in US

Frequently asked questions

How frequently is the air quality data for Florissant, Missouri updated?

When did Florissant, Missouri experience the worst air quality in the last 24 hours?

When did Florissant, Missouri have its best air quality in the last 24 hours?

What is the real-time air quality index for Florissant, Missouri?

Which pollutant is found most often in Florissant, Missouri?

What can I do if the air quality in Florissant, Missouri is poor?

What are the current PM2.5 levels in Florissant, Missouri?

What are the current PM10 levels at Florissant, Missouri?

What are the current carbon monoxide (CO) levels at Florissant, Missouri?

What are the current sulfur dioxide (SO2) levels at Florissant, Missouri?

What are the current ozone (O3) levels at Florissant, Missouri?

What are the current nitrogen dioxide (NO2) levels at Florissant, Missouri?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What are the current PM_2.5 levels in Florissant, Missouri?

What are the current PM₁₀ levels at Florissant, Missouri?

What are the current sulfur dioxide (SO₂) levels at Florissant, Missouri?

What are the current ozone (O₃) levels at Florissant, Missouri?

What are the current nitrogen dioxide (NO₂) levels at Florissant, Missouri?