What are the current PM10 levels at Florissant, Missouri?

The current PM10 levels in Florissant, Missouri are 18.767 μg/m3.

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

The current sulfur dioxide (SO2) levels in Florissant, Missouri are 0.385 ppb.

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

The current ozone (O3) levels at Florissant, Missouri is 17.773 ppm.

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

The current nitrogen dioxide (NO2) levels at Florissant, Missouri is 3.098 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 3.539 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)

Good

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)

3.54 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

18.77 μg/m³

155

255

425

605+

Ozone (O₃)

17.77 ppb

201

201+

Sulfur Dioxide (SO₂)

0.39 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.10 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.10 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
2026-01-21T11:00:00.000Z	52 \| moderate	10.079 \| good	41.818 \| good	21.193 \| good	2.326 \| good	5.237 \| good	0.203 \| good
2026-01-21T12:00:00.000Z	49 \| good	8.775 \| good	38.327 \| good	24.262 \| good	3.071 \| good	5.816 \| good	0.195 \| good
2026-01-21T13:00:00.000Z	52 \| moderate	9.682 \| good	37.825 \| good	22.92 \| good	2.745 \| good	8.376 \| good	0.242 \| good
2026-01-21T14:00:00.000Z	54 \| moderate	11.463 \| good	54.147 \| good	23.505 \| good	3.254 \| good	10.135 \| good	0.322 \| good
2026-01-21T15:00:00.000Z	56 \| moderate	11.639 \| good	50.283 \| good	26.648 \| good	2.756 \| good	9.393 \| good	0.33 \| good
2026-01-21T16:00:00.000Z	58 \| moderate	13.296 \| fine	60.996 \| fine	28.415 \| good	1.721 \| good	6.271 \| good	0.238 \| good
2026-01-21T17:00:00.000Z	60 \| moderate	14.028 \| fine	60.822 \| fine	27.148 \| good	0.943 \| good	5.233 \| good	0.242 \| good
2026-01-21T18:00:00.000Z	58 \| moderate	13.138 \| fine	58.595 \| fine	29.386 \| good	1.007 \| good	5.202 \| good	0.238 \| good
2026-01-21T19:00:00.000Z	58 \| moderate	12.559 \| fine	53.085 \| good	28.808 \| good	2.305 \| good	4.731 \| good	0.238 \| good
2026-01-21T20:00:00.000Z	52 \| moderate	9.903 \| good	41.999 \| good	28.154 \| good	0.701 \| good	4.541 \| good	0.238 \| good
2026-01-21T21:00:00.000Z	44 \| good	8.366 \| good	37.206 \| good	30.231 \| good	0.56 \| good	3.865 \| good	0.192 \| good
2026-01-21T22:00:00.000Z	33 \| good	6.375 \| good	28.645 \| good	32.069 \| good	0.576 \| good	4.217 \| good	0.195 \| good
2026-01-21T23:00:00.000Z	30 \| good	5.43 \| good	24.81 \| good	32.473 \| good	0.733 \| good	4.042 \| good	0.242 \| good
2026-01-22T00:00:00.000Z	29 \| good	4.54 \| good	20.813 \| good	31.3 \| good	1.413 \| good	5.151 \| good	0.242 \| good
2026-01-22T01:00:00.000Z	31 \| good	4.348 \| good	34.396 \| good	27.711 \| good	1.889 \| good	7.035 \| good	0.326 \| good
2026-01-22T02:00:00.000Z	27 \| good	4.5 \| good	18.362 \| good	28.932 \| good	0.805 \| good	8.374 \| good	0.284 \| good
2026-01-22T03:00:00.000Z	58 \| moderate	12.516 \| fine	51.269 \| good	21.768 \| good	1.446 \| good	7.841 \| good	0.242 \| good
2026-01-22T04:00:00.000Z	27 \| good	4.663 \| good	21.337 \| good	25.63 \| good	0.861 \| good	4.363 \| good	0.195 \| good
2026-01-22T05:00:00.000Z	33 \| good	5.564 \| good	22.58 \| good	25.528 \| good	0.317 \| good	4.133 \| good	0.114 \| good
2026-01-22T06:00:00.000Z	27 \| good	4.589 \| good	24.93 \| good	27.644 \| good	0.275 \| good	2.647 \| good	0.107 \| good
2026-01-22T07:00:00.000Z	24 \| good	4.081 \| good	24.357 \| good	26.32 \| good	0.274 \| good	2.649 \| good	0.114 \| good
2026-01-22T08:00:00.000Z	24 \| good	4.095 \| good	17.751 \| good	25.533 \| good	0.271 \| good	2.65 \| good	0.114 \| good
2026-01-22T09:00:00.000Z	20 \| good	2.561 \| good	15.052 \| good	22.249 \| good	0.318 \| good	2.6 \| good	0.104 \| good
2026-01-22T10:00:00.000Z	20 \| good	2.923 \| good	14.232 \| good	21.842 \| good	0.261 \| good	3.906 \| good	0.104 \| good
2026-01-22T11:00:00.000Z	25 \| good	2.856 \| good	12.575 \| good	27.482 \| good	0.391 \| good	5.891 \| good	0.1 \| good
2026-01-22T12:00:00.000Z	13 \| good	2.421 \| good	12.445 \| good	14.434 \| good	0.703 \| good	8.535 \| good	0.235 \| good
2026-01-22T13:00:00.000Z	16 \| good	2.988 \| good	13.604 \| good	15.628 \| good	0.604 \| good	10.024 \| good	0.234 \| good
2026-01-22T14:00:00.000Z	33 \| good	5.829 \| good	22.507 \| good	15.555 \| good	0.676 \| good	12.76 \| good	0.477 \| good
2026-01-22T15:00:00.000Z	33 \| good	5.723 \| good	25.536 \| good	19.185 \| good	0.828 \| good	12.272 \| good	0.423 \| good
2026-01-22T16:00:00.000Z	22 \| good	4.223 \| good	13.983 \| good	23.859 \| good	0.81 \| good	9.934 \| good	0.326 \| good
2026-01-22T17:00:00.000Z	23 \| good	3.126 \| good	13.181 \| good	25.12 \| good	0.582 \| good	8.055 \| good	0.28 \| good
2026-01-22T18:00:00.000Z	27 \| good	4.715 \| good	23.285 \| good	29.101 \| good	0.571 \| good	7.142 \| good	0.192 \| good
2026-01-22T19:00:00.000Z	29 \| good	3.538 \| good	23.563 \| good	31.17 \| good	0.317 \| good	6.128 \| good	0.192 \| good
2026-01-22T20:00:00.000Z	29 \| good	2.758 \| good	20.441 \| good	31.422 \| good	0.326 \| good	6.142 \| good	0.192 \| good
2026-01-22T21:00:00.000Z	30 \| good	2.66 \| good	10.581 \| good	32.255 \| good	0.361 \| good	4.787 \| good	0.192 \| good
2026-01-22T22:00:00.000Z	30 \| good	2.483 \| good	11.627 \| good	32.29 \| good	0.449 \| good	7.759 \| good	0.192 \| good
2026-01-22T23:00:00.000Z	29 \| good	2.518 \| good	11.466 \| good	30.897 \| good	0.482 \| good	5.389 \| good	0.195 \| good
2026-01-23T00:00:00.000Z	27 \| good	4.299 \| good	19.038 \| good	29.05 \| good	0.448 \| good	6.732 \| good	0.237 \| good
2026-01-23T01:00:00.000Z	44 \| good	7.763 \| good	30.429 \| good	24.853 \| good	0.667 \| good	10.15 \| good	0.291 \| good
2026-01-23T02:00:00.000Z	60 \| moderate	13.873 \| fine	49.564 \| good	20.199 \| good	0.795 \| good	10.732 \| good	0.34 \| good
2026-01-23T03:00:00.000Z	58 \| moderate	13.335 \| fine	46.943 \| good	13.956 \| good	0.717 \| good	11.549 \| good	0.336 \| good
2026-01-23T04:00:00.000Z	62 \| moderate	14.524 \| fine	63.568 \| fine	15 \| good	0.869 \| good	17.17 \| good	0.512 \| good
2026-01-23T05:00:00.000Z	60 \| moderate	14.263 \| fine	63.363 \| fine	12.754 \| good	0.91 \| good	14.34 \| good	0.558 \| good
2026-01-23T06:00:00.000Z	54 \| moderate	11.292 \| good	44.753 \| good	12.072 \| good	0.708 \| good	6.564 \| good	0.386 \| good
2026-01-23T07:00:00.000Z	56 \| moderate	11.702 \| good	48.689 \| good	11.627 \| good	0.701 \| good	6.568 \| good	0.382 \| good
2026-01-23T08:00:00.000Z	49 \| good	9.381 \| good	32.319 \| good	14.833 \| good	0.694 \| good	6.492 \| good	0.379 \| good
2026-01-23T09:00:00.000Z	22 \| good	4.478 \| good	19.429 \| good	15.413 \| good	0.407 \| good	2.559 \| good	0.107 \| good
2026-01-23T10:00:00.000Z	22 \| good	3.539 \| good	18.767 \| good	17.773 \| good	0.385 \| good	3.098 \| good	0.104 \| good
2026-01-23T11:00:00.000Z	27 \| good	4.523 \| good	19.819 \| good	20.244 \| good	0.411 \| good	1.279 \| good	0.139 \| good
2026-01-23T12:00:00.000Z	17 \| good	3.1 \| good	13.56 \| good	18.419 \| good	0.391 \| good	1.265 \| good	0.136 \| good
2026-01-23T13:00:00.000Z	22 \| good	4.096 \| good	17.937 \| good	20.595 \| good	0.403 \| good	1.435 \| good	0.14 \| good
2026-01-23T14:00:00.000Z	22 \| good	4.02 \| good	17.687 \| good	20.677 \| good	0.416 \| good	1.605 \| good	0.144 \| good
2026-01-23T15:00:00.000Z	17 \| good	3.347 \| good	14.759 \| good	18.495 \| good	0.428 \| good	1.775 \| good	0.148 \| good
2026-01-23T16:00:00.000Z	17 \| good	3.134 \| good	13.543 \| good	18.24 \| good	0.451 \| good	1.618 \| good	0.147 \| good
2026-01-23T17:00:00.000Z	19 \| good	2.637 \| good	10.814 \| good	19.786 \| good	0.474 \| good	1.46 \| good	0.147 \| good
2026-01-23T18:00:00.000Z	22 \| good	3.52 \| good	15.551 \| good	20.087 \| good	0.497 \| good	1.303 \| good	0.146 \| good
2026-01-23T19:00:00.000Z	22 \| good	4.059 \| good	17.817 \| good	19.15 \| good	0.522 \| good	1.481 \| good	0.147 \| good
2026-01-23T20:00:00.000Z	22 \| good	4.07 \| good	17.989 \| good	17.061 \| good	0.547 \| good	1.658 \| good	0.147 \| good
2026-01-23T21:00:00.000Z	16 \| good	3.428 \| good	15.054 \| good	17.181 \| good	0.573 \| good	1.835 \| good	0.148 \| good
2026-01-23T22:00:00.000Z	17 \| good	1.204 \| good	5.112 \| good	17.832 \| good	0.593 \| good	2.448 \| good	0.15 \| good
2026-01-23T23:00:00.000Z	17 \| good	0.949 \| good	3.72 \| good	18.487 \| good	0.614 \| good	3.061 \| good	0.152 \| good
2026-01-24T00:00:00.000Z	12 \| good	1.351 \| good	5.166 \| good	13.193 \| good	0.635 \| good	3.674 \| good	0.153 \| good
2026-01-24T01:00:00.000Z	14 \| good	2.465 \| good	10 \| good	14.938 \| good	0.684 \| good	3.694 \| good	0.152 \| good
2026-01-24T02:00:00.000Z	22 \| good	3.548 \| good	15.746 \| good	12.488 \| good	0.733 \| good	3.714 \| good	0.152 \| good
2026-01-24T03:00:00.000Z	33 \| good	5.692 \| good	24.556 \| good	13.077 \| good	0.783 \| good	3.735 \| good	0.151 \| good
2026-01-24T04:00:00.000Z	27 \| good	5.022 \| good	21.485 \| good	15.163 \| good	0.82 \| good	3.613 \| good	0.15 \| good
2026-01-24T05:00:00.000Z	27 \| good	4.598 \| good	20.124 \| good	16.644 \| good	0.858 \| good	3.491 \| good	0.15 \| good
2026-01-24T06:00:00.000Z	22 \| good	4.283 \| good	19 \| good	16.339 \| good	0.896 \| good	3.369 \| good	0.15 \| good
2026-01-24T07:00:00.000Z	27 \| good	4.753 \| good	20.754 \| good	18.366 \| good	0.876 \| good	3.223 \| good	0.149 \| good
2026-01-24T08:00:00.000Z	27 \| good	4.778 \| good	20.576 \| good	19.655 \| good	0.856 \| good	3.076 \| good	0.149 \| good
2026-01-24T09:00:00.000Z	22 \| good	4.049 \| good	17.708 \| good	19.29 \| good	0.837 \| good	2.93 \| good	0.149 \| good
2026-01-24T10:00:00.000Z	22 \| good	4.178 \| good	18.406 \| good	19.744 \| good	0.79 \| good	2.852 \| good	0.149 \| good
2026-01-24T11:00:00.000Z	27 \| good	4.627 \| good	19.994 \| good	20.103 \| good	0.743 \| good	2.775 \| good	0.149 \| good
2026-01-24T12:00:00.000Z	27 \| good	4.977 \| good	21.558 \| good	19.379 \| good	0.696 \| good	2.698 \| good	0.15 \| good
2026-01-24T13:00:00.000Z	44 \| good	7.561 \| good	33.27 \| good	18.541 \| good	0.716 \| good	3.098 \| good	0.153 \| good
2026-01-24T14:00:00.000Z	44 \| good	8.016 \| good	35.004 \| good	16.481 \| good	0.736 \| good	3.498 \| good	0.157 \| good
2026-01-24T15:00:00.000Z	44 \| good	7.954 \| good	34.888 \| good	13.558 \| good	0.756 \| good	3.898 \| good	0.16 \| good
2026-01-24T16:00:00.000Z	38 \| good	7.202 \| good	32 \| good	14.458 \| good	0.803 \| good	3.751 \| good	0.16 \| good
2026-01-24T17:00:00.000Z	33 \| good	5.938 \| good	26.339 \| good	16.155 \| good	0.85 \| good	3.605 \| good	0.161 \| good
2026-01-24T18:00:00.000Z	38 \| good	7.207 \| good	31.868 \| good	19.593 \| good	0.896 \| good	3.459 \| good	0.161 \| good
2026-01-24T19:00:00.000Z	49 \| good	8.809 \| good	38.827 \| good	20.817 \| good	0.915 \| good	3.692 \| good	0.164 \| good
2026-01-24T20:00:00.000Z	52 \| moderate	9.954 \| good	44.06 \| good	22.037 \| good	0.934 \| good	3.926 \| good	0.167 \| good
2026-01-24T21:00:00.000Z	52 \| moderate	9.559 \| good	42.697 \| good	24.046 \| good	0.952 \| good	4.16 \| good	0.169 \| good
2026-01-24T22:00:00.000Z	33 \| good	6.442 \| good	28.399 \| good	25.821 \| good	0.911 \| good	5.037 \| good	0.173 \| good
2026-01-24T23:00:00.000Z	27 \| good	4.918 \| good	21.341 \| good	21.795 \| good	0.869 \| good	5.913 \| good	0.176 \| good
2026-01-25T00:00:00.000Z	22 \| good	3.588 \| good	16.002 \| good	21.507 \| good	0.828 \| good	6.79 \| good	0.179 \| good
2026-01-25T01:00:00.000Z	22 \| good	3.875 \| good	16.937 \| good	22.924 \| good	0.795 \| good	6.696 \| good	0.178 \| good
2026-01-25T02:00:00.000Z	33 \| good	5.665 \| good	24.207 \| good	18.982 \| good	0.762 \| good	6.602 \| good	0.178 \| good
2026-01-25T03:00:00.000Z	49 \| good	8.6 \| good	37.589 \| good	17.476 \| good	0.729 \| good	6.508 \| good	0.177 \| good
2026-01-25T04:00:00.000Z	44 \| good	8.314 \| good	36.447 \| good	17.435 \| good	0.678 \| good	6.105 \| good	0.177 \| good
2026-01-25T05:00:00.000Z	44 \| good	7.652 \| good	33.895 \| good	16.531 \| good	0.628 \| good	5.702 \| good	0.176 \| good
2026-01-25T06:00:00.000Z	38 \| good	6.843 \| good	7.099 \| good	24.474 \| good	0.583 \| good	5.349 \| good	0.175 \| good
2026-01-25T07:00:00.000Z	52 \| moderate	10.06 \| good	44.715 \| good	17.472 \| good	0.547 \| good	4.893 \| good	0.174 \| good
2026-01-25T08:00:00.000Z	52 \| moderate	9.915 \| good	43.97 \| good	17.561 \| good	0.515 \| good	4.487 \| good	0.173 \| good
2026-01-25T09:00:00.000Z	52 \| moderate	9.576 \| good	42.744 \| good	15.615 \| good	0.484 \| good	4.081 \| good	0.172 \| good
2026-01-25T10:00:00.000Z	49 \| good	8.535 \| good	37.155 \| good	16.696 \| good	0.491 \| good	3.984 \| good	0.173 \| good

Florissant

Empower business decisions with accurate air quality data

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

0.11ppm

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 2026-01-23.

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

The best air quality in Florissant, Missouri was recorded at 12:00:00 on 2026-01-22.

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

The real-time air quality index in Florissant, Missouri is 22, currently categorized as Good.

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 3.539 μg/m³.

What are the current PM₁₀ levels at Florissant, Missouri?

The current PM₁₀ levels in Florissant, Missouri are 18.767 μg/m³.

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

The current carbon monoxide (CO) level in Florissant, Missouri is 0.104 ppm.

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

The current sulfur dioxide (SO₂) levels in Florissant, Missouri are 0.385 ppb.

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

The current ozone (O₃) levels at Florissant, Missouri is 17.773 ppm.

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

The current nitrogen dioxide (NO₂) levels at Florissant, Missouri is 3.098 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T11:00:00.000Z	52 \| moderate	10.079 \| good	41.818 \| good	21.193 \| good	2.326 \| good	5.237 \| good	0.203 \| good
2026-01-21T12:00:00.000Z	49 \| good	8.775 \| good	38.327 \| good	24.262 \| good	3.071 \| good	5.816 \| good	0.195 \| good
2026-01-21T13:00:00.000Z	52 \| moderate	9.682 \| good	37.825 \| good	22.92 \| good	2.745 \| good	8.376 \| good	0.242 \| good
2026-01-21T14:00:00.000Z	54 \| moderate	11.463 \| good	54.147 \| good	23.505 \| good	3.254 \| good	10.135 \| good	0.322 \| good
2026-01-21T15:00:00.000Z	56 \| moderate	11.639 \| good	50.283 \| good	26.648 \| good	2.756 \| good	9.393 \| good	0.33 \| good
2026-01-21T16:00:00.000Z	58 \| moderate	13.296 \| fine	60.996 \| fine	28.415 \| good	1.721 \| good	6.271 \| good	0.238 \| good
2026-01-21T17:00:00.000Z	60 \| moderate	14.028 \| fine	60.822 \| fine	27.148 \| good	0.943 \| good	5.233 \| good	0.242 \| good
2026-01-21T18:00:00.000Z	58 \| moderate	13.138 \| fine	58.595 \| fine	29.386 \| good	1.007 \| good	5.202 \| good	0.238 \| good
2026-01-21T19:00:00.000Z	58 \| moderate	12.559 \| fine	53.085 \| good	28.808 \| good	2.305 \| good	4.731 \| good	0.238 \| good
2026-01-21T20:00:00.000Z	52 \| moderate	9.903 \| good	41.999 \| good	28.154 \| good	0.701 \| good	4.541 \| good	0.238 \| good
2026-01-21T21:00:00.000Z	44 \| good	8.366 \| good	37.206 \| good	30.231 \| good	0.56 \| good	3.865 \| good	0.192 \| good
2026-01-21T22:00:00.000Z	33 \| good	6.375 \| good	28.645 \| good	32.069 \| good	0.576 \| good	4.217 \| good	0.195 \| good
2026-01-21T23:00:00.000Z	30 \| good	5.43 \| good	24.81 \| good	32.473 \| good	0.733 \| good	4.042 \| good	0.242 \| good
2026-01-22T00:00:00.000Z	29 \| good	4.54 \| good	20.813 \| good	31.3 \| good	1.413 \| good	5.151 \| good	0.242 \| good
2026-01-22T01:00:00.000Z	31 \| good	4.348 \| good	34.396 \| good	27.711 \| good	1.889 \| good	7.035 \| good	0.326 \| good
2026-01-22T02:00:00.000Z	27 \| good	4.5 \| good	18.362 \| good	28.932 \| good	0.805 \| good	8.374 \| good	0.284 \| good
2026-01-22T03:00:00.000Z	58 \| moderate	12.516 \| fine	51.269 \| good	21.768 \| good	1.446 \| good	7.841 \| good	0.242 \| good
2026-01-22T04:00:00.000Z	27 \| good	4.663 \| good	21.337 \| good	25.63 \| good	0.861 \| good	4.363 \| good	0.195 \| good
2026-01-22T05:00:00.000Z	33 \| good	5.564 \| good	22.58 \| good	25.528 \| good	0.317 \| good	4.133 \| good	0.114 \| good
2026-01-22T06:00:00.000Z	27 \| good	4.589 \| good	24.93 \| good	27.644 \| good	0.275 \| good	2.647 \| good	0.107 \| good
2026-01-22T07:00:00.000Z	24 \| good	4.081 \| good	24.357 \| good	26.32 \| good	0.274 \| good	2.649 \| good	0.114 \| good
2026-01-22T08:00:00.000Z	24 \| good	4.095 \| good	17.751 \| good	25.533 \| good	0.271 \| good	2.65 \| good	0.114 \| good
2026-01-22T09:00:00.000Z	20 \| good	2.561 \| good	15.052 \| good	22.249 \| good	0.318 \| good	2.6 \| good	0.104 \| good
2026-01-22T10:00:00.000Z	20 \| good	2.923 \| good	14.232 \| good	21.842 \| good	0.261 \| good	3.906 \| good	0.104 \| good
2026-01-22T11:00:00.000Z	25 \| good	2.856 \| good	12.575 \| good	27.482 \| good	0.391 \| good	5.891 \| good	0.1 \| good
2026-01-22T12:00:00.000Z	13 \| good	2.421 \| good	12.445 \| good	14.434 \| good	0.703 \| good	8.535 \| good	0.235 \| good
2026-01-22T13:00:00.000Z	16 \| good	2.988 \| good	13.604 \| good	15.628 \| good	0.604 \| good	10.024 \| good	0.234 \| good
2026-01-22T14:00:00.000Z	33 \| good	5.829 \| good	22.507 \| good	15.555 \| good	0.676 \| good	12.76 \| good	0.477 \| good
2026-01-22T15:00:00.000Z	33 \| good	5.723 \| good	25.536 \| good	19.185 \| good	0.828 \| good	12.272 \| good	0.423 \| good
2026-01-22T16:00:00.000Z	22 \| good	4.223 \| good	13.983 \| good	23.859 \| good	0.81 \| good	9.934 \| good	0.326 \| good
2026-01-22T17:00:00.000Z	23 \| good	3.126 \| good	13.181 \| good	25.12 \| good	0.582 \| good	8.055 \| good	0.28 \| good
2026-01-22T18:00:00.000Z	27 \| good	4.715 \| good	23.285 \| good	29.101 \| good	0.571 \| good	7.142 \| good	0.192 \| good
2026-01-22T19:00:00.000Z	29 \| good	3.538 \| good	23.563 \| good	31.17 \| good	0.317 \| good	6.128 \| good	0.192 \| good
2026-01-22T20:00:00.000Z	29 \| good	2.758 \| good	20.441 \| good	31.422 \| good	0.326 \| good	6.142 \| good	0.192 \| good
2026-01-22T21:00:00.000Z	30 \| good	2.66 \| good	10.581 \| good	32.255 \| good	0.361 \| good	4.787 \| good	0.192 \| good
2026-01-22T22:00:00.000Z	30 \| good	2.483 \| good	11.627 \| good	32.29 \| good	0.449 \| good	7.759 \| good	0.192 \| good
2026-01-22T23:00:00.000Z	29 \| good	2.518 \| good	11.466 \| good	30.897 \| good	0.482 \| good	5.389 \| good	0.195 \| good
2026-01-23T00:00:00.000Z	27 \| good	4.299 \| good	19.038 \| good	29.05 \| good	0.448 \| good	6.732 \| good	0.237 \| good
2026-01-23T01:00:00.000Z	44 \| good	7.763 \| good	30.429 \| good	24.853 \| good	0.667 \| good	10.15 \| good	0.291 \| good
2026-01-23T02:00:00.000Z	60 \| moderate	13.873 \| fine	49.564 \| good	20.199 \| good	0.795 \| good	10.732 \| good	0.34 \| good
2026-01-23T03:00:00.000Z	58 \| moderate	13.335 \| fine	46.943 \| good	13.956 \| good	0.717 \| good	11.549 \| good	0.336 \| good
2026-01-23T04:00:00.000Z	62 \| moderate	14.524 \| fine	63.568 \| fine	15 \| good	0.869 \| good	17.17 \| good	0.512 \| good
2026-01-23T05:00:00.000Z	60 \| moderate	14.263 \| fine	63.363 \| fine	12.754 \| good	0.91 \| good	14.34 \| good	0.558 \| good
2026-01-23T06:00:00.000Z	54 \| moderate	11.292 \| good	44.753 \| good	12.072 \| good	0.708 \| good	6.564 \| good	0.386 \| good
2026-01-23T07:00:00.000Z	56 \| moderate	11.702 \| good	48.689 \| good	11.627 \| good	0.701 \| good	6.568 \| good	0.382 \| good
2026-01-23T08:00:00.000Z	49 \| good	9.381 \| good	32.319 \| good	14.833 \| good	0.694 \| good	6.492 \| good	0.379 \| good
2026-01-23T09:00:00.000Z	22 \| good	4.478 \| good	19.429 \| good	15.413 \| good	0.407 \| good	2.559 \| good	0.107 \| good
2026-01-23T10:00:00.000Z	22 \| good	3.539 \| good	18.767 \| good	17.773 \| good	0.385 \| good	3.098 \| good	0.104 \| good
2026-01-23T11:00:00.000Z	27 \| good	4.523 \| good	19.819 \| good	20.244 \| good	0.411 \| good	1.279 \| good	0.139 \| good
2026-01-23T12:00:00.000Z	17 \| good	3.1 \| good	13.56 \| good	18.419 \| good	0.391 \| good	1.265 \| good	0.136 \| good
2026-01-23T13:00:00.000Z	22 \| good	4.096 \| good	17.937 \| good	20.595 \| good	0.403 \| good	1.435 \| good	0.14 \| good
2026-01-23T14:00:00.000Z	22 \| good	4.02 \| good	17.687 \| good	20.677 \| good	0.416 \| good	1.605 \| good	0.144 \| good
2026-01-23T15:00:00.000Z	17 \| good	3.347 \| good	14.759 \| good	18.495 \| good	0.428 \| good	1.775 \| good	0.148 \| good
2026-01-23T16:00:00.000Z	17 \| good	3.134 \| good	13.543 \| good	18.24 \| good	0.451 \| good	1.618 \| good	0.147 \| good
2026-01-23T17:00:00.000Z	19 \| good	2.637 \| good	10.814 \| good	19.786 \| good	0.474 \| good	1.46 \| good	0.147 \| good
2026-01-23T18:00:00.000Z	22 \| good	3.52 \| good	15.551 \| good	20.087 \| good	0.497 \| good	1.303 \| good	0.146 \| good
2026-01-23T19:00:00.000Z	22 \| good	4.059 \| good	17.817 \| good	19.15 \| good	0.522 \| good	1.481 \| good	0.147 \| good
2026-01-23T20:00:00.000Z	22 \| good	4.07 \| good	17.989 \| good	17.061 \| good	0.547 \| good	1.658 \| good	0.147 \| good
2026-01-23T21:00:00.000Z	16 \| good	3.428 \| good	15.054 \| good	17.181 \| good	0.573 \| good	1.835 \| good	0.148 \| good
2026-01-23T22:00:00.000Z	17 \| good	1.204 \| good	5.112 \| good	17.832 \| good	0.593 \| good	2.448 \| good	0.15 \| good
2026-01-23T23:00:00.000Z	17 \| good	0.949 \| good	3.72 \| good	18.487 \| good	0.614 \| good	3.061 \| good	0.152 \| good
2026-01-24T00:00:00.000Z	12 \| good	1.351 \| good	5.166 \| good	13.193 \| good	0.635 \| good	3.674 \| good	0.153 \| good
2026-01-24T01:00:00.000Z	14 \| good	2.465 \| good	10 \| good	14.938 \| good	0.684 \| good	3.694 \| good	0.152 \| good
2026-01-24T02:00:00.000Z	22 \| good	3.548 \| good	15.746 \| good	12.488 \| good	0.733 \| good	3.714 \| good	0.152 \| good
2026-01-24T03:00:00.000Z	33 \| good	5.692 \| good	24.556 \| good	13.077 \| good	0.783 \| good	3.735 \| good	0.151 \| good
2026-01-24T04:00:00.000Z	27 \| good	5.022 \| good	21.485 \| good	15.163 \| good	0.82 \| good	3.613 \| good	0.15 \| good
2026-01-24T05:00:00.000Z	27 \| good	4.598 \| good	20.124 \| good	16.644 \| good	0.858 \| good	3.491 \| good	0.15 \| good
2026-01-24T06:00:00.000Z	22 \| good	4.283 \| good	19 \| good	16.339 \| good	0.896 \| good	3.369 \| good	0.15 \| good
2026-01-24T07:00:00.000Z	27 \| good	4.753 \| good	20.754 \| good	18.366 \| good	0.876 \| good	3.223 \| good	0.149 \| good
2026-01-24T08:00:00.000Z	27 \| good	4.778 \| good	20.576 \| good	19.655 \| good	0.856 \| good	3.076 \| good	0.149 \| good
2026-01-24T09:00:00.000Z	22 \| good	4.049 \| good	17.708 \| good	19.29 \| good	0.837 \| good	2.93 \| good	0.149 \| good
2026-01-24T10:00:00.000Z	22 \| good	4.178 \| good	18.406 \| good	19.744 \| good	0.79 \| good	2.852 \| good	0.149 \| good
2026-01-24T11:00:00.000Z	27 \| good	4.627 \| good	19.994 \| good	20.103 \| good	0.743 \| good	2.775 \| good	0.149 \| good
2026-01-24T12:00:00.000Z	27 \| good	4.977 \| good	21.558 \| good	19.379 \| good	0.696 \| good	2.698 \| good	0.15 \| good
2026-01-24T13:00:00.000Z	44 \| good	7.561 \| good	33.27 \| good	18.541 \| good	0.716 \| good	3.098 \| good	0.153 \| good
2026-01-24T14:00:00.000Z	44 \| good	8.016 \| good	35.004 \| good	16.481 \| good	0.736 \| good	3.498 \| good	0.157 \| good
2026-01-24T15:00:00.000Z	44 \| good	7.954 \| good	34.888 \| good	13.558 \| good	0.756 \| good	3.898 \| good	0.16 \| good
2026-01-24T16:00:00.000Z	38 \| good	7.202 \| good	32 \| good	14.458 \| good	0.803 \| good	3.751 \| good	0.16 \| good
2026-01-24T17:00:00.000Z	33 \| good	5.938 \| good	26.339 \| good	16.155 \| good	0.85 \| good	3.605 \| good	0.161 \| good
2026-01-24T18:00:00.000Z	38 \| good	7.207 \| good	31.868 \| good	19.593 \| good	0.896 \| good	3.459 \| good	0.161 \| good
2026-01-24T19:00:00.000Z	49 \| good	8.809 \| good	38.827 \| good	20.817 \| good	0.915 \| good	3.692 \| good	0.164 \| good
2026-01-24T20:00:00.000Z	52 \| moderate	9.954 \| good	44.06 \| good	22.037 \| good	0.934 \| good	3.926 \| good	0.167 \| good
2026-01-24T21:00:00.000Z	52 \| moderate	9.559 \| good	42.697 \| good	24.046 \| good	0.952 \| good	4.16 \| good	0.169 \| good
2026-01-24T22:00:00.000Z	33 \| good	6.442 \| good	28.399 \| good	25.821 \| good	0.911 \| good	5.037 \| good	0.173 \| good
2026-01-24T23:00:00.000Z	27 \| good	4.918 \| good	21.341 \| good	21.795 \| good	0.869 \| good	5.913 \| good	0.176 \| good
2026-01-25T00:00:00.000Z	22 \| good	3.588 \| good	16.002 \| good	21.507 \| good	0.828 \| good	6.79 \| good	0.179 \| good
2026-01-25T01:00:00.000Z	22 \| good	3.875 \| good	16.937 \| good	22.924 \| good	0.795 \| good	6.696 \| good	0.178 \| good
2026-01-25T02:00:00.000Z	33 \| good	5.665 \| good	24.207 \| good	18.982 \| good	0.762 \| good	6.602 \| good	0.178 \| good
2026-01-25T03:00:00.000Z	49 \| good	8.6 \| good	37.589 \| good	17.476 \| good	0.729 \| good	6.508 \| good	0.177 \| good
2026-01-25T04:00:00.000Z	44 \| good	8.314 \| good	36.447 \| good	17.435 \| good	0.678 \| good	6.105 \| good	0.177 \| good
2026-01-25T05:00:00.000Z	44 \| good	7.652 \| good	33.895 \| good	16.531 \| good	0.628 \| good	5.702 \| good	0.176 \| good
2026-01-25T06:00:00.000Z	38 \| good	6.843 \| good	7.099 \| good	24.474 \| good	0.583 \| good	5.349 \| good	0.175 \| good
2026-01-25T07:00:00.000Z	52 \| moderate	10.06 \| good	44.715 \| good	17.472 \| good	0.547 \| good	4.893 \| good	0.174 \| good
2026-01-25T08:00:00.000Z	52 \| moderate	9.915 \| good	43.97 \| good	17.561 \| good	0.515 \| good	4.487 \| good	0.173 \| good
2026-01-25T09:00:00.000Z	52 \| moderate	9.576 \| good	42.744 \| good	15.615 \| good	0.484 \| good	4.081 \| good	0.172 \| good
2026-01-25T10:00:00.000Z	49 \| good	8.535 \| good	37.155 \| good	16.696 \| good	0.491 \| good	3.984 \| good	0.173 \| 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?