What is the current level of PM10 in St. Matthews, Kentucky?

St. Matthews, Kentucky currently has a PM10 concentration of 15.072 μg/m3.

What is the current level of sulfur dioxide (SO2) in St. Matthews, Kentucky?

The current sulfur dioxide (SO2) concentration in St. Matthews, Kentucky is 1.624 ppb.

What is the current level of ozone (O3) in St. Matthews, Kentucky?

St. Matthews, Kentucky currently has an ozone (O3) concentration of 39.021 ppm.

What is the current level of nitrogen dioxide (NO2) in St. Matthews, Kentucky?

The current level of nitrogen dioxide (NO2) in St. Matthews, Kentucky is 5.371 ppb.

Current air quality index in St. Matthews, Kentucky today

Name: Live air pollution levels in St. Matthews, Kentucky today
Creator: Ambee

Stay updated with real-time air quality in St. Matthews, Kentucky 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

St. Matthews, Kentucky

Last updated: ... (Local time)

Common air pollutants in St. Matthews, Kentucky

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

2.92 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

15.07 μg/m³

155

255

425

605+

Ozone (O₃)

39.02 ppb

201

201+

Sulfur Dioxide (SO₂)

1.62 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.37 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.19 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

St. Matthews, Kentucky

Get Live Pollen Counts

St. Matthews, Kentucky

Scroll To Air Quality Map

Track live St. Matthews, Kentucky air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-19T22:00:00.000Z	25 \| good	2.903 \| good	6.122 \| good	27.307 \| good	0.775 \| good	1.861 \| good	0.128 \| good
2025-10-19T23:00:00.000Z	24 \| good	3.083 \| good	7.136 \| good	26.186 \| good	0.572 \| good	2.891 \| good	0.128 \| good
2025-10-20T00:00:00.000Z	23 \| good	3.081 \| good	8.22 \| good	25.289 \| good	0.706 \| good	4.663 \| good	0.114 \| good
2025-10-20T01:00:00.000Z	20 \| good	3.269 \| good	9.093 \| good	21.552 \| good	0.745 \| good	7.523 \| good	0.157 \| good
2025-10-20T02:00:00.000Z	18 \| good	3.363 \| good	9.142 \| good	18.823 \| good	0.906 \| good	7.759 \| good	0.121 \| good
2025-10-20T03:00:00.000Z	19 \| good	3.364 \| good	10.292 \| good	20.479 \| good	0.886 \| good	8.177 \| good	0.14 \| good
2025-10-20T04:00:00.000Z	19 \| good	3.187 \| good	10.232 \| good	21.202 \| good	0.831 \| good	8.263 \| good	0.14 \| good
2025-10-20T05:00:00.000Z	19 \| good	3.189 \| good	10.171 \| good	20.765 \| good	0.777 \| good	13.189 \| good	0.15 \| good
2025-10-20T06:00:00.000Z	16 \| good	3.198 \| good	10.079 \| good	16.681 \| good	0.87 \| good	13.56 \| good	0.114 \| good
2025-10-20T07:00:00.000Z	16 \| good	3.221 \| good	10.121 \| good	16.712 \| good	0.9 \| good	14.788 \| good	0.122 \| good
2025-10-20T08:00:00.000Z	16 \| good	3.308 \| good	11.031 \| good	14.852 \| good	0.655 \| good	16.071 \| good	0.163 \| good
2025-10-20T09:00:00.000Z	17 \| good	3.334 \| good	10.362 \| good	15.52 \| good	0.677 \| good	18.124 \| good	0.203 \| good
2025-10-20T10:00:00.000Z	16 \| good	3.428 \| good	10.241 \| good	13.759 \| good	0.762 \| good	16.663 \| good	0.207 \| good
2025-10-20T11:00:00.000Z	16 \| good	3.452 \| good	10.362 \| good	13.073 \| good	0.716 \| good	17.411 \| good	0.304 \| good
2025-10-20T12:00:00.000Z	19 \| good	3.494 \| good	10.569 \| good	11.362 \| good	0.757 \| good	20.274 \| good	0.507 \| good
2025-10-20T13:00:00.000Z	22 \| good	3.509 \| good	10.538 \| good	11.426 \| good	0.753 \| good	17.325 \| good	0.398 \| good
2025-10-20T14:00:00.000Z	22 \| good	3.758 \| good	12.308 \| good	11.25 \| good	1.047 \| good	18.133 \| good	0.349 \| good
2025-10-20T15:00:00.000Z	22 \| good	3.774 \| good	12.438 \| good	11.222 \| good	1.443 \| good	16.758 \| good	0.302 \| good
2025-10-20T16:00:00.000Z	22 \| good	3.763 \| good	12.475 \| good	16.145 \| good	1.75 \| good	16.25 \| good	0.239 \| good
2025-10-20T17:00:00.000Z	22 \| good	3.632 \| good	11.966 \| good	22.981 \| good	1.839 \| good	10.123 \| good	0.147 \| good
2025-10-20T18:00:00.000Z	26 \| good	3.054 \| good	9.797 \| good	27.545 \| good	1.197 \| good	6.002 \| good	0.144 \| good
2025-10-20T19:00:00.000Z	30 \| good	2.73 \| good	9.49 \| good	31.876 \| good	1.172 \| good	6.366 \| good	0.14 \| good
2025-10-20T20:00:00.000Z	32 \| good	2.519 \| good	8.441 \| good	34.798 \| good	1.21 \| good	6.608 \| good	0.14 \| good
2025-10-20T21:00:00.000Z	33 \| good	2.315 \| good	7.383 \| good	35.879 \| good	1.252 \| good	8.104 \| good	0.176 \| good
2025-10-20T22:00:00.000Z	33 \| good	2.311 \| good	7.33 \| good	35.833 \| good	1.141 \| good	7.031 \| good	0.144 \| good
2025-10-20T23:00:00.000Z	33 \| good	2.419 \| good	7.339 \| good	35.69 \| good	1.047 \| good	11.006 \| good	0.229 \| good
2025-10-21T00:00:00.000Z	32 \| good	2.544 \| good	8.203 \| good	34.565 \| good	0.596 \| good	14.538 \| good	0.233 \| good
2025-10-21T01:00:00.000Z	31 \| good	2.735 \| good	7.364 \| good	32.687 \| good	0.852 \| good	10.091 \| good	0.247 \| good
2025-10-21T02:00:00.000Z	30 \| good	2.912 \| good	7.358 \| good	32.36 \| good	0.926 \| good	12.33 \| good	0.241 \| good
2025-10-21T03:00:00.000Z	38 \| good	7.049 \| good	30.96 \| good	29.431 \| good	0.64 \| good	2.589 \| good	0.142 \| good
2025-10-21T04:00:00.000Z	28 \| good	2.824 \| good	7.274 \| good	29.731 \| good	1.387 \| good	9.138 \| good	0.197 \| good
2025-10-21T05:00:00.000Z	27 \| good	2.818 \| good	7.326 \| good	28.675 \| good	1.011 \| good	12.367 \| good	0.211 \| good
2025-10-21T06:00:00.000Z	28 \| good	2.929 \| good	7.379 \| good	30.296 \| good	1.702 \| good	10.503 \| good	0.108 \| good
2025-10-21T07:00:00.000Z	28 \| good	2.921 \| good	7.314 \| good	30.366 \| good	1.706 \| good	7.731 \| good	0.128 \| good
2025-10-21T08:00:00.000Z	30 \| good	3.206 \| good	7.397 \| good	31.568 \| good	1.13 \| good	9.359 \| good	0.144 \| good
2025-10-21T09:00:00.000Z	30 \| good	3.405 \| good	8.321 \| good	32.201 \| good	1.13 \| good	18.052 \| good	0.203 \| good
2025-10-21T10:00:00.000Z	30 \| good	3.614 \| good	8.496 \| good	32.174 \| good	2.177 \| good	18.125 \| good	0.203 \| good
2025-10-21T11:00:00.000Z	29 \| good	3.812 \| good	9.505 \| good	31.249 \| good	2.178 \| good	15.869 \| good	0.203 \| good
2025-10-21T12:00:00.000Z	27 \| good	4.017 \| good	10.566 \| good	28.816 \| good	1.21 \| good	10.475 \| good	0.213 \| good
2025-10-21T13:00:00.000Z	27 \| good	4.016 \| good	10.602 \| good	28.842 \| good	1.237 \| good	8.335 \| good	0.237 \| good
2025-10-21T14:00:00.000Z	27 \| good	4.699 \| good	14.508 \| good	25.298 \| good	1.096 \| good	8.828 \| good	0.321 \| good
2025-10-21T15:00:00.000Z	27 \| good	4.572 \| good	15.169 \| good	28.183 \| good	1.065 \| good	11.369 \| good	0.527 \| good
2025-10-21T16:00:00.000Z	29 \| good	4.174 \| good	15.352 \| good	31.224 \| good	0.998 \| good	6.084 \| good	0.118 \| good
2025-10-21T17:00:00.000Z	30 \| good	3.963 \| good	16.149 \| good	32.177 \| good	0.97 \| good	6.06 \| good	0.278 \| good
2025-10-21T18:00:00.000Z	32 \| good	3.479 \| good	16.041 \| good	35.255 \| good	1.059 \| good	4.805 \| good	0.157 \| good
2025-10-21T19:00:00.000Z	36 \| good	3.099 \| good	15.995 \| good	38.813 \| good	1.24 \| good	4.385 \| good	0.167 \| good
2025-10-21T20:00:00.000Z	37 \| good	2.995 \| good	15.041 \| good	39.867 \| good	1.291 \| good	5.192 \| good	0.17 \| good
2025-10-21T21:00:00.000Z	36 \| good	2.919 \| good	15.072 \| good	39.021 \| good	1.624 \| good	5.371 \| good	0.191 \| good
2025-10-21T04:00:00.000Z	44 \| good	8.209 \| good	36.098 \| good	23.702 \| good	0.702 \| good	2.522 \| good	0.136 \| good
2025-10-21T05:00:00.000Z	38 \| good	6.817 \| good	30.259 \| good	27.013 \| good	0.779 \| good	2.302 \| good	0.134 \| good
2025-10-21T06:00:00.000Z	27 \| good	5.327 \| good	22.994 \| good	28.738 \| good	0.857 \| good	2.081 \| good	0.131 \| good
2025-10-21T07:00:00.000Z	31 \| good	4.096 \| good	17.962 \| good	33.154 \| good	1.034 \| good	1.93 \| good	0.129 \| good
2025-10-21T08:00:00.000Z	31 \| good	3.983 \| good	17.317 \| good	34.312 \| good	1.212 \| good	1.779 \| good	0.126 \| good
2025-10-21T09:00:00.000Z	30 \| good	4.277 \| good	18.756 \| good	32.163 \| good	1.389 \| good	1.628 \| good	0.123 \| good
2025-10-21T10:00:00.000Z	23 \| good	4.358 \| good	19.248 \| good	24.658 \| good	1.471 \| good	1.94 \| good	0.126 \| good
2025-10-21T11:00:00.000Z	33 \| good	6.13 \| good	27.257 \| good	14.401 \| good	1.553 \| good	2.251 \| good	0.128 \| good
2025-10-21T12:00:00.000Z	44 \| good	8.353 \| good	36.764 \| good	11.466 \| good	1.636 \| good	2.563 \| good	0.13 \| good
2025-10-21T13:00:00.000Z	44 \| good	7.975 \| good	34.993 \| good	20.747 \| good	1.568 \| good	2.341 \| good	0.129 \| good
2025-10-21T14:00:00.000Z	29 \| good	5.025 \| good	21.772 \| good	31.456 \| good	1.5 \| good	2.12 \| good	0.127 \| good
2025-10-21T15:00:00.000Z	34 \| good	3.087 \| good	13.46 \| good	37.006 \| good	1.432 \| good	1.898 \| good	0.126 \| good
2025-10-21T16:00:00.000Z	36 \| good	2.064 \| good	8.476 \| good	39.436 \| good	1.73 \| good	1.595 \| good	0.123 \| good
2025-10-21T17:00:00.000Z	39 \| good	2.181 \| good	9.138 \| good	42.178 \| good	2.027 \| good	1.292 \| good	0.119 \| good
2025-10-21T18:00:00.000Z	42 \| good	1.683 \| good	6.888 \| good	45.174 \| good	2.325 \| good	0.989 \| good	0.115 \| good
2025-10-21T19:00:00.000Z	44 \| good	1.391 \| good	5.45 \| good	46.599 \| good	2.321 \| good	0.991 \| good	0.115 \| good
2025-10-21T20:00:00.000Z	44 \| good	2.312 \| good	9.698 \| good	47.412 \| good	2.317 \| good	0.993 \| good	0.116 \| good
2025-10-21T21:00:00.000Z	43 \| good	2.66 \| good	10.804 \| good	46.408 \| good	2.314 \| good	0.995 \| good	0.116 \| good
2025-10-21T22:00:00.000Z	38 \| good	3.654 \| good	16.005 \| good	41.268 \| good	2.153 \| good	1.525 \| good	0.12 \| good
2025-10-21T23:00:00.000Z	32 \| good	2.618 \| good	10.566 \| good	35.391 \| good	1.993 \| good	2.056 \| good	0.124 \| good
2025-10-22T00:00:00.000Z	38 \| good	6.522 \| good	28.992 \| good	33.049 \| good	1.833 \| good	2.586 \| good	0.128 \| good
2025-10-22T01:00:00.000Z	49 \| good	9.354 \| good	41.467 \| good	26.148 \| good	1.806 \| good	2.36 \| good	0.125 \| good
2025-10-22T02:00:00.000Z	44 \| good	8.335 \| good	36.781 \| good	24.396 \| good	1.78 \| good	2.134 \| good	0.121 \| good
2025-10-22T03:00:00.000Z	38 \| good	6.559 \| good	29.555 \| good	27.362 \| good	1.753 \| good	1.908 \| good	0.118 \| good
2025-10-22T04:00:00.000Z	27 \| good	5.222 \| good	22.519 \| good	29.136 \| good	1.945 \| good	2.033 \| good	0.119 \| good
2025-10-22T05:00:00.000Z	27 \| good	4.365 \| good	18.898 \| good	29.285 \| good	2.136 \| good	2.158 \| good	0.12 \| good
2025-10-22T06:00:00.000Z	24 \| good	4.204 \| good	18.258 \| good	26.494 \| good	2.327 \| good	2.284 \| good	0.121 \| good
2025-10-22T07:00:00.000Z	21 \| good	2.486 \| good	10.222 \| good	23.178 \| good	2.346 \| good	2.323 \| good	0.122 \| good
2025-10-22T08:00:00.000Z	19 \| good	3.224 \| good	13.523 \| good	19.749 \| good	2.365 \| good	2.362 \| good	0.123 \| good
2025-10-22T09:00:00.000Z	22 \| good	3.995 \| good	17.358 \| good	17.544 \| good	2.383 \| good	2.401 \| good	0.124 \| good
2025-10-22T10:00:00.000Z	16 \| good	3.329 \| good	13.856 \| good	16.734 \| good	2.191 \| good	2.662 \| good	0.126 \| good
2025-10-22T11:00:00.000Z	17 \| good	3.011 \| good	12.74 \| good	18.456 \| good	1.999 \| good	2.923 \| good	0.129 \| good
2025-10-22T12:00:00.000Z	22 \| good	3.981 \| good	17.25 \| good	19.71 \| good	1.807 \| good	3.185 \| good	0.131 \| good
2025-10-22T13:00:00.000Z	22 \| good	3.811 \| good	16.809 \| good	22.765 \| good	1.646 \| good	2.649 \| good	0.129 \| good
2025-10-22T14:00:00.000Z	25 \| good	2.108 \| good	8.407 \| good	26.798 \| good	1.484 \| good	2.112 \| good	0.128 \| good
2025-10-22T15:00:00.000Z	25 \| good	1.416 \| good	5.772 \| good	27.125 \| good	1.323 \| good	1.576 \| good	0.126 \| good
2025-10-22T16:00:00.000Z	27 \| good	2.015 \| good	8.328 \| good	28.695 \| good	1.293 \| good	1.36 \| good	0.124 \| good
2025-10-22T17:00:00.000Z	30 \| good	2.003 \| good	8.407 \| good	32.19 \| good	1.264 \| good	1.143 \| good	0.122 \| good
2025-10-22T18:00:00.000Z	34 \| good	2.127 \| good	8.798 \| good	37.234 \| good	1.235 \| good	0.926 \| good	0.121 \| good
2025-10-22T19:00:00.000Z	37 \| good	2.311 \| good	9.439 \| good	39.768 \| good	1.328 \| good	0.955 \| good	0.12 \| good
2025-10-22T20:00:00.000Z	39 \| good	3.379 \| good	15.01 \| good	41.89 \| good	1.422 \| good	0.983 \| good	0.119 \| good
2025-10-22T21:00:00.000Z	35 \| good	2.857 \| good	11.809 \| good	37.989 \| good	1.516 \| good	1.012 \| good	0.119 \| good
2025-10-22T22:00:00.000Z	31 \| good	2.275 \| good	9.323 \| good	33.734 \| good	1.675 \| good	2.057 \| good	0.126 \| good
2025-10-22T23:00:00.000Z	26 \| good	2.893 \| good	11.856 \| good	27.713 \| good	1.835 \| good	3.101 \| good	0.133 \| good
2025-10-23T00:00:00.000Z	28 \| good	2.833 \| good	2.885 \| good	30.242 \| good	1.963 \| good	4.123 \| good	0.14 \| good
2025-10-23T01:00:00.000Z	49 \| good	8.675 \| good	38.252 \| good	23.277 \| good	2.232 \| good	4.385 \| good	0.142 \| good
2025-10-23T02:00:00.000Z	49 \| good	9.169 \| good	40.872 \| good	23.756 \| good	2.468 \| good	4.623 \| good	0.144 \| good
2025-10-23T03:00:00.000Z	52 \| moderate	9.531 \| good	42.6 \| good	25.198 \| good	2.704 \| good	4.862 \| good	0.145 \| good

St. Matthews

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near St. Matthews, Kentucky

0.27ppm

How accurate is Kentucky, USA air quality data?

The air quality data for Kentucky, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

Source: Ambee Data Sources

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Frequently asked questions

How frequently does the air quality data for St. Matthews, Kentucky get updated?

Air quality updates for St. Matthews, Kentucky are available every hour.

What time in the past 24 hours saw the poorest air quality in St. Matthews, Kentucky?

St. Matthews, Kentucky experienced its worst air quality at 03:00:00, 2025-10-21.

When was air quality in St. Matthews, Kentucky the best over the past 24 hours?

The best air quality in St. Matthews, Kentucky was observed at 03:00:00 on 2025-10-21.

What is the air quality in St. Matthews, Kentucky right now?

The air quality in St. Matthews, Kentucky right now is Good, with an AQI of 36.

What pollutant is most frequently found in St. Matthews, Kentucky?

In St. Matthews, Kentucky, O3 is the most frequently found pollutant.

What can I do if the air quality in St. Matthews, Kentucky is poor?

When air quality in St. Matthews, Kentucky is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in St. Matthews, Kentucky right now?

St. Matthews, Kentucky currently has a PM_2.5 concentration of 2.919 μg/m³.

What is the current level of PM₁₀ in St. Matthews, Kentucky?

St. Matthews, Kentucky currently has a PM₁₀ concentration of 15.072 μg/m³.

What is the current level of carbon monoxide (CO) in St. Matthews, Kentucky?

The current carbon monoxide (CO) level in St. Matthews, Kentucky is 0.191 ppm.

What is the current level of sulfur dioxide (SO₂) in St. Matthews, Kentucky?

The current sulfur dioxide (SO₂) concentration in St. Matthews, Kentucky is 1.624 ppb.

What is the current level of ozone (O₃) in St. Matthews, Kentucky?

St. Matthews, Kentucky currently has an ozone (O₃) concentration of 39.021 ppm.

What is the current level of nitrogen dioxide (NO₂) in St. Matthews, Kentucky?

The current level of nitrogen dioxide (NO₂) in St. Matthews, Kentucky is 5.371 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-19T22:00:00.000Z	25 \| good	2.903 \| good	6.122 \| good	27.307 \| good	0.775 \| good	1.861 \| good	0.128 \| good
2025-10-19T23:00:00.000Z	24 \| good	3.083 \| good	7.136 \| good	26.186 \| good	0.572 \| good	2.891 \| good	0.128 \| good
2025-10-20T00:00:00.000Z	23 \| good	3.081 \| good	8.22 \| good	25.289 \| good	0.706 \| good	4.663 \| good	0.114 \| good
2025-10-20T01:00:00.000Z	20 \| good	3.269 \| good	9.093 \| good	21.552 \| good	0.745 \| good	7.523 \| good	0.157 \| good
2025-10-20T02:00:00.000Z	18 \| good	3.363 \| good	9.142 \| good	18.823 \| good	0.906 \| good	7.759 \| good	0.121 \| good
2025-10-20T03:00:00.000Z	19 \| good	3.364 \| good	10.292 \| good	20.479 \| good	0.886 \| good	8.177 \| good	0.14 \| good
2025-10-20T04:00:00.000Z	19 \| good	3.187 \| good	10.232 \| good	21.202 \| good	0.831 \| good	8.263 \| good	0.14 \| good
2025-10-20T05:00:00.000Z	19 \| good	3.189 \| good	10.171 \| good	20.765 \| good	0.777 \| good	13.189 \| good	0.15 \| good
2025-10-20T06:00:00.000Z	16 \| good	3.198 \| good	10.079 \| good	16.681 \| good	0.87 \| good	13.56 \| good	0.114 \| good
2025-10-20T07:00:00.000Z	16 \| good	3.221 \| good	10.121 \| good	16.712 \| good	0.9 \| good	14.788 \| good	0.122 \| good
2025-10-20T08:00:00.000Z	16 \| good	3.308 \| good	11.031 \| good	14.852 \| good	0.655 \| good	16.071 \| good	0.163 \| good
2025-10-20T09:00:00.000Z	17 \| good	3.334 \| good	10.362 \| good	15.52 \| good	0.677 \| good	18.124 \| good	0.203 \| good
2025-10-20T10:00:00.000Z	16 \| good	3.428 \| good	10.241 \| good	13.759 \| good	0.762 \| good	16.663 \| good	0.207 \| good
2025-10-20T11:00:00.000Z	16 \| good	3.452 \| good	10.362 \| good	13.073 \| good	0.716 \| good	17.411 \| good	0.304 \| good
2025-10-20T12:00:00.000Z	19 \| good	3.494 \| good	10.569 \| good	11.362 \| good	0.757 \| good	20.274 \| good	0.507 \| good
2025-10-20T13:00:00.000Z	22 \| good	3.509 \| good	10.538 \| good	11.426 \| good	0.753 \| good	17.325 \| good	0.398 \| good
2025-10-20T14:00:00.000Z	22 \| good	3.758 \| good	12.308 \| good	11.25 \| good	1.047 \| good	18.133 \| good	0.349 \| good
2025-10-20T15:00:00.000Z	22 \| good	3.774 \| good	12.438 \| good	11.222 \| good	1.443 \| good	16.758 \| good	0.302 \| good
2025-10-20T16:00:00.000Z	22 \| good	3.763 \| good	12.475 \| good	16.145 \| good	1.75 \| good	16.25 \| good	0.239 \| good
2025-10-20T17:00:00.000Z	22 \| good	3.632 \| good	11.966 \| good	22.981 \| good	1.839 \| good	10.123 \| good	0.147 \| good
2025-10-20T18:00:00.000Z	26 \| good	3.054 \| good	9.797 \| good	27.545 \| good	1.197 \| good	6.002 \| good	0.144 \| good
2025-10-20T19:00:00.000Z	30 \| good	2.73 \| good	9.49 \| good	31.876 \| good	1.172 \| good	6.366 \| good	0.14 \| good
2025-10-20T20:00:00.000Z	32 \| good	2.519 \| good	8.441 \| good	34.798 \| good	1.21 \| good	6.608 \| good	0.14 \| good
2025-10-20T21:00:00.000Z	33 \| good	2.315 \| good	7.383 \| good	35.879 \| good	1.252 \| good	8.104 \| good	0.176 \| good
2025-10-20T22:00:00.000Z	33 \| good	2.311 \| good	7.33 \| good	35.833 \| good	1.141 \| good	7.031 \| good	0.144 \| good
2025-10-20T23:00:00.000Z	33 \| good	2.419 \| good	7.339 \| good	35.69 \| good	1.047 \| good	11.006 \| good	0.229 \| good
2025-10-21T00:00:00.000Z	32 \| good	2.544 \| good	8.203 \| good	34.565 \| good	0.596 \| good	14.538 \| good	0.233 \| good
2025-10-21T01:00:00.000Z	31 \| good	2.735 \| good	7.364 \| good	32.687 \| good	0.852 \| good	10.091 \| good	0.247 \| good
2025-10-21T02:00:00.000Z	30 \| good	2.912 \| good	7.358 \| good	32.36 \| good	0.926 \| good	12.33 \| good	0.241 \| good
2025-10-21T03:00:00.000Z	38 \| good	7.049 \| good	30.96 \| good	29.431 \| good	0.64 \| good	2.589 \| good	0.142 \| good
2025-10-21T04:00:00.000Z	28 \| good	2.824 \| good	7.274 \| good	29.731 \| good	1.387 \| good	9.138 \| good	0.197 \| good
2025-10-21T05:00:00.000Z	27 \| good	2.818 \| good	7.326 \| good	28.675 \| good	1.011 \| good	12.367 \| good	0.211 \| good
2025-10-21T06:00:00.000Z	28 \| good	2.929 \| good	7.379 \| good	30.296 \| good	1.702 \| good	10.503 \| good	0.108 \| good
2025-10-21T07:00:00.000Z	28 \| good	2.921 \| good	7.314 \| good	30.366 \| good	1.706 \| good	7.731 \| good	0.128 \| good
2025-10-21T08:00:00.000Z	30 \| good	3.206 \| good	7.397 \| good	31.568 \| good	1.13 \| good	9.359 \| good	0.144 \| good
2025-10-21T09:00:00.000Z	30 \| good	3.405 \| good	8.321 \| good	32.201 \| good	1.13 \| good	18.052 \| good	0.203 \| good
2025-10-21T10:00:00.000Z	30 \| good	3.614 \| good	8.496 \| good	32.174 \| good	2.177 \| good	18.125 \| good	0.203 \| good
2025-10-21T11:00:00.000Z	29 \| good	3.812 \| good	9.505 \| good	31.249 \| good	2.178 \| good	15.869 \| good	0.203 \| good
2025-10-21T12:00:00.000Z	27 \| good	4.017 \| good	10.566 \| good	28.816 \| good	1.21 \| good	10.475 \| good	0.213 \| good
2025-10-21T13:00:00.000Z	27 \| good	4.016 \| good	10.602 \| good	28.842 \| good	1.237 \| good	8.335 \| good	0.237 \| good
2025-10-21T14:00:00.000Z	27 \| good	4.699 \| good	14.508 \| good	25.298 \| good	1.096 \| good	8.828 \| good	0.321 \| good
2025-10-21T15:00:00.000Z	27 \| good	4.572 \| good	15.169 \| good	28.183 \| good	1.065 \| good	11.369 \| good	0.527 \| good
2025-10-21T16:00:00.000Z	29 \| good	4.174 \| good	15.352 \| good	31.224 \| good	0.998 \| good	6.084 \| good	0.118 \| good
2025-10-21T17:00:00.000Z	30 \| good	3.963 \| good	16.149 \| good	32.177 \| good	0.97 \| good	6.06 \| good	0.278 \| good
2025-10-21T18:00:00.000Z	32 \| good	3.479 \| good	16.041 \| good	35.255 \| good	1.059 \| good	4.805 \| good	0.157 \| good
2025-10-21T19:00:00.000Z	36 \| good	3.099 \| good	15.995 \| good	38.813 \| good	1.24 \| good	4.385 \| good	0.167 \| good
2025-10-21T20:00:00.000Z	37 \| good	2.995 \| good	15.041 \| good	39.867 \| good	1.291 \| good	5.192 \| good	0.17 \| good
2025-10-21T21:00:00.000Z	36 \| good	2.919 \| good	15.072 \| good	39.021 \| good	1.624 \| good	5.371 \| good	0.191 \| good
2025-10-21T04:00:00.000Z	44 \| good	8.209 \| good	36.098 \| good	23.702 \| good	0.702 \| good	2.522 \| good	0.136 \| good
2025-10-21T05:00:00.000Z	38 \| good	6.817 \| good	30.259 \| good	27.013 \| good	0.779 \| good	2.302 \| good	0.134 \| good
2025-10-21T06:00:00.000Z	27 \| good	5.327 \| good	22.994 \| good	28.738 \| good	0.857 \| good	2.081 \| good	0.131 \| good
2025-10-21T07:00:00.000Z	31 \| good	4.096 \| good	17.962 \| good	33.154 \| good	1.034 \| good	1.93 \| good	0.129 \| good
2025-10-21T08:00:00.000Z	31 \| good	3.983 \| good	17.317 \| good	34.312 \| good	1.212 \| good	1.779 \| good	0.126 \| good
2025-10-21T09:00:00.000Z	30 \| good	4.277 \| good	18.756 \| good	32.163 \| good	1.389 \| good	1.628 \| good	0.123 \| good
2025-10-21T10:00:00.000Z	23 \| good	4.358 \| good	19.248 \| good	24.658 \| good	1.471 \| good	1.94 \| good	0.126 \| good
2025-10-21T11:00:00.000Z	33 \| good	6.13 \| good	27.257 \| good	14.401 \| good	1.553 \| good	2.251 \| good	0.128 \| good
2025-10-21T12:00:00.000Z	44 \| good	8.353 \| good	36.764 \| good	11.466 \| good	1.636 \| good	2.563 \| good	0.13 \| good
2025-10-21T13:00:00.000Z	44 \| good	7.975 \| good	34.993 \| good	20.747 \| good	1.568 \| good	2.341 \| good	0.129 \| good
2025-10-21T14:00:00.000Z	29 \| good	5.025 \| good	21.772 \| good	31.456 \| good	1.5 \| good	2.12 \| good	0.127 \| good
2025-10-21T15:00:00.000Z	34 \| good	3.087 \| good	13.46 \| good	37.006 \| good	1.432 \| good	1.898 \| good	0.126 \| good
2025-10-21T16:00:00.000Z	36 \| good	2.064 \| good	8.476 \| good	39.436 \| good	1.73 \| good	1.595 \| good	0.123 \| good
2025-10-21T17:00:00.000Z	39 \| good	2.181 \| good	9.138 \| good	42.178 \| good	2.027 \| good	1.292 \| good	0.119 \| good
2025-10-21T18:00:00.000Z	42 \| good	1.683 \| good	6.888 \| good	45.174 \| good	2.325 \| good	0.989 \| good	0.115 \| good
2025-10-21T19:00:00.000Z	44 \| good	1.391 \| good	5.45 \| good	46.599 \| good	2.321 \| good	0.991 \| good	0.115 \| good
2025-10-21T20:00:00.000Z	44 \| good	2.312 \| good	9.698 \| good	47.412 \| good	2.317 \| good	0.993 \| good	0.116 \| good
2025-10-21T21:00:00.000Z	43 \| good	2.66 \| good	10.804 \| good	46.408 \| good	2.314 \| good	0.995 \| good	0.116 \| good
2025-10-21T22:00:00.000Z	38 \| good	3.654 \| good	16.005 \| good	41.268 \| good	2.153 \| good	1.525 \| good	0.12 \| good
2025-10-21T23:00:00.000Z	32 \| good	2.618 \| good	10.566 \| good	35.391 \| good	1.993 \| good	2.056 \| good	0.124 \| good
2025-10-22T00:00:00.000Z	38 \| good	6.522 \| good	28.992 \| good	33.049 \| good	1.833 \| good	2.586 \| good	0.128 \| good
2025-10-22T01:00:00.000Z	49 \| good	9.354 \| good	41.467 \| good	26.148 \| good	1.806 \| good	2.36 \| good	0.125 \| good
2025-10-22T02:00:00.000Z	44 \| good	8.335 \| good	36.781 \| good	24.396 \| good	1.78 \| good	2.134 \| good	0.121 \| good
2025-10-22T03:00:00.000Z	38 \| good	6.559 \| good	29.555 \| good	27.362 \| good	1.753 \| good	1.908 \| good	0.118 \| good
2025-10-22T04:00:00.000Z	27 \| good	5.222 \| good	22.519 \| good	29.136 \| good	1.945 \| good	2.033 \| good	0.119 \| good
2025-10-22T05:00:00.000Z	27 \| good	4.365 \| good	18.898 \| good	29.285 \| good	2.136 \| good	2.158 \| good	0.12 \| good
2025-10-22T06:00:00.000Z	24 \| good	4.204 \| good	18.258 \| good	26.494 \| good	2.327 \| good	2.284 \| good	0.121 \| good
2025-10-22T07:00:00.000Z	21 \| good	2.486 \| good	10.222 \| good	23.178 \| good	2.346 \| good	2.323 \| good	0.122 \| good
2025-10-22T08:00:00.000Z	19 \| good	3.224 \| good	13.523 \| good	19.749 \| good	2.365 \| good	2.362 \| good	0.123 \| good
2025-10-22T09:00:00.000Z	22 \| good	3.995 \| good	17.358 \| good	17.544 \| good	2.383 \| good	2.401 \| good	0.124 \| good
2025-10-22T10:00:00.000Z	16 \| good	3.329 \| good	13.856 \| good	16.734 \| good	2.191 \| good	2.662 \| good	0.126 \| good
2025-10-22T11:00:00.000Z	17 \| good	3.011 \| good	12.74 \| good	18.456 \| good	1.999 \| good	2.923 \| good	0.129 \| good
2025-10-22T12:00:00.000Z	22 \| good	3.981 \| good	17.25 \| good	19.71 \| good	1.807 \| good	3.185 \| good	0.131 \| good
2025-10-22T13:00:00.000Z	22 \| good	3.811 \| good	16.809 \| good	22.765 \| good	1.646 \| good	2.649 \| good	0.129 \| good
2025-10-22T14:00:00.000Z	25 \| good	2.108 \| good	8.407 \| good	26.798 \| good	1.484 \| good	2.112 \| good	0.128 \| good
2025-10-22T15:00:00.000Z	25 \| good	1.416 \| good	5.772 \| good	27.125 \| good	1.323 \| good	1.576 \| good	0.126 \| good
2025-10-22T16:00:00.000Z	27 \| good	2.015 \| good	8.328 \| good	28.695 \| good	1.293 \| good	1.36 \| good	0.124 \| good
2025-10-22T17:00:00.000Z	30 \| good	2.003 \| good	8.407 \| good	32.19 \| good	1.264 \| good	1.143 \| good	0.122 \| good
2025-10-22T18:00:00.000Z	34 \| good	2.127 \| good	8.798 \| good	37.234 \| good	1.235 \| good	0.926 \| good	0.121 \| good
2025-10-22T19:00:00.000Z	37 \| good	2.311 \| good	9.439 \| good	39.768 \| good	1.328 \| good	0.955 \| good	0.12 \| good
2025-10-22T20:00:00.000Z	39 \| good	3.379 \| good	15.01 \| good	41.89 \| good	1.422 \| good	0.983 \| good	0.119 \| good
2025-10-22T21:00:00.000Z	35 \| good	2.857 \| good	11.809 \| good	37.989 \| good	1.516 \| good	1.012 \| good	0.119 \| good
2025-10-22T22:00:00.000Z	31 \| good	2.275 \| good	9.323 \| good	33.734 \| good	1.675 \| good	2.057 \| good	0.126 \| good
2025-10-22T23:00:00.000Z	26 \| good	2.893 \| good	11.856 \| good	27.713 \| good	1.835 \| good	3.101 \| good	0.133 \| good
2025-10-23T00:00:00.000Z	28 \| good	2.833 \| good	2.885 \| good	30.242 \| good	1.963 \| good	4.123 \| good	0.14 \| good
2025-10-23T01:00:00.000Z	49 \| good	8.675 \| good	38.252 \| good	23.277 \| good	2.232 \| good	4.385 \| good	0.142 \| good
2025-10-23T02:00:00.000Z	49 \| good	9.169 \| good	40.872 \| good	23.756 \| good	2.468 \| good	4.623 \| good	0.144 \| good
2025-10-23T03:00:00.000Z	52 \| moderate	9.531 \| good	42.6 \| good	25.198 \| good	2.704 \| good	4.862 \| good	0.145 \| good

Current air quality index in St. Matthews, Kentucky today

Common air pollutants in St. Matthews, Kentucky

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live St. Matthews, Kentucky air quality forecast and history

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Real-time air quality map: Monitor AQI near St. Matthews, Kentucky

Air quality in nearby cities

Lyndon, Kentucky

Jeffersontown, Kentucky

Jeffersonville, Indiana

Louisville, Kentucky

Clarksville, Indiana

Shively, Kentucky

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Frequently asked questions

How frequently does the air quality data for St. Matthews, Kentucky get updated?

What time in the past 24 hours saw the poorest air quality in St. Matthews, Kentucky?

When was air quality in St. Matthews, Kentucky the best over the past 24 hours?

What is the air quality in St. Matthews, Kentucky right now?

What pollutant is most frequently found in St. Matthews, Kentucky?

What can I do if the air quality in St. Matthews, Kentucky is poor?

What is the PM2.5 concentration in St. Matthews, Kentucky right now?

What is the current level of PM10 in St. Matthews, Kentucky?

What is the current level of carbon monoxide (CO) in St. Matthews, Kentucky?

What is the current level of sulfur dioxide (SO2) in St. Matthews, Kentucky?

What is the current level of ozone (O3) in St. Matthews, Kentucky?

What is the current level of nitrogen dioxide (NO2) in St. Matthews, Kentucky?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 concentration in St. Matthews, Kentucky right now?

What is the current level of PM₁₀ in St. Matthews, Kentucky?

What is the current level of sulfur dioxide (SO₂) in St. Matthews, Kentucky?

What is the current level of ozone (O₃) in St. Matthews, Kentucky?

What is the current level of nitrogen dioxide (NO₂) in St. Matthews, Kentucky?