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

St. Matthews, Kentucky currently has a PM10 concentration of 20.911 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 2.467 ppb.

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

St. Matthews, Kentucky currently has an ozone (O3) concentration of 46.007 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 4.094 ppb.

Current air quality index in St. Matthews, Kentucky today

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

St. Matthews, Kentucky currently has a PM2.5 concentration of 6.716 μg/m3.

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)

6.72 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

20.91 μg/m³

155

255

425

605+

Ozone (O₃)

46.01 ppb

201

201+

Sulfur Dioxide (SO₂)

2.47 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.09 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 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
2026-10-20T21:00:00.000Z	41 \| good	3.709 \| good	10.85 \| good	43.69 \| good	1.331 \| good	4.843 \| good	0.204 \| good
2026-10-20T22:00:00.000Z	42 \| good	3.564 \| good	10.695 \| good	44.73 \| good	1.37 \| good	3.97 \| good	0.204 \| good
2026-10-20T23:00:00.000Z	38 \| good	3.243 \| good	10.443 \| good	41.13 \| good	1.001 \| good	7.181 \| good	0.273 \| good
2026-10-21T00:00:00.000Z	31 \| good	3.367 \| good	10.941 \| good	33.982 \| good	0.939 \| good	21.015 \| good	0.415 \| good
2026-10-21T01:00:00.000Z	28 \| good	5.086 \| good	16.226 \| good	27.458 \| good	0.922 \| good	29.861 \| good	0.518 \| good
2026-10-21T02:00:00.000Z	38 \| good	7.167 \| good	19.598 \| good	20.178 \| good	0.873 \| good	25.128 \| good	0.681 \| good
2026-10-21T03:00:00.000Z	52 \| moderate	10.239 \| good	45.543 \| good	9.23 \| good	0.935 \| good	8.665 \| good	0.226 \| good
2026-10-21T04:00:00.000Z	44 \| good	8.264 \| good	22.518 \| good	11.66 \| good	0.798 \| good	25.08 \| good	0.608 \| good
2026-10-21T05:00:00.000Z	44 \| good	7.838 \| good	20.816 \| good	9.783 \| good	0.822 \| good	18.875 \| good	0.579 \| good
2026-10-21T06:00:00.000Z	44 \| good	7.581 \| good	18.897 \| good	9.97 \| good	0.878 \| good	18.966 \| good	0.44 \| good
2026-10-21T07:00:00.000Z	44 \| good	7.878 \| good	20.899 \| good	10.377 \| good	0.882 \| good	18.482 \| good	0.484 \| good
2026-10-21T08:00:00.000Z	38 \| good	6.844 \| good	17.963 \| good	10.076 \| good	0.823 \| good	15.726 \| good	0.422 \| good
2026-10-21T09:00:00.000Z	38 \| good	6.727 \| good	17.043 \| good	9.651 \| good	0.801 \| good	14.916 \| good	0.449 \| good
2026-10-21T10:00:00.000Z	38 \| good	6.625 \| good	16.816 \| good	8.806 \| good	0.671 \| good	12.579 \| good	0.421 \| good
2026-10-21T11:00:00.000Z	38 \| good	7.088 \| good	22.491 \| good	7.743 \| good	0.921 \| good	12.079 \| good	0.562 \| good
2026-10-21T12:00:00.000Z	38 \| good	6.685 \| good	24.551 \| good	7.28 \| good	0.751 \| good	12.326 \| good	0.575 \| good
2026-10-21T13:00:00.000Z	38 \| good	6.729 \| good	26.289 \| good	7.607 \| good	0.761 \| good	12.365 \| good	0.608 \| good
2026-10-21T14:00:00.000Z	38 \| good	7.261 \| good	25.327 \| good	12.258 \| good	0.857 \| good	14.98 \| good	0.757 \| good
2026-10-21T15:00:00.000Z	44 \| good	7.972 \| good	26.148 \| good	15.363 \| good	0.773 \| good	16.798 \| good	0.477 \| good
2026-10-21T16:00:00.000Z	44 \| good	7.821 \| good	24.964 \| good	20.657 \| good	0.91 \| good	16.318 \| good	0.407 \| good
2026-10-21T17:00:00.000Z	38 \| good	7.067 \| good	22.775 \| good	26.537 \| good	0.956 \| good	11.663 \| good	0.31 \| good
2026-10-21T18:00:00.000Z	37 \| good	6.075 \| good	21.98 \| good	39.885 \| good	1.071 \| good	5.836 \| good	0.21 \| good
2026-10-21T19:00:00.000Z	40 \| good	5.713 \| good	19.826 \| good	43.488 \| good	1.535 \| good	5.582 \| good	0.275 \| good
2026-10-21T20:00:00.000Z	44 \| good	4.908 \| good	18.027 \| good	47.467 \| good	1.4 \| good	4.517 \| good	0.207 \| good
2026-10-21T21:00:00.000Z	45 \| good	4.122 \| good	16.085 \| good	49.314 \| good	1.272 \| good	3.945 \| good	0.274 \| good
2026-10-21T22:00:00.000Z	44 \| good	3.719 \| good	15.745 \| good	47.956 \| good	1.265 \| good	3.713 \| good	0.455 \| good
2026-10-21T23:00:00.000Z	42 \| good	3.706 \| good	15.487 \| good	44.545 \| good	1.176 \| good	9.119 \| good	0.343 \| good
2026-10-22T00:00:00.000Z	39 \| good	3.999 \| good	15.711 \| good	42.242 \| good	1.05 \| good	29.123 \| good	0.577 \| good
2026-10-22T01:00:00.000Z	30 \| good	4.661 \| good	16.816 \| good	31.691 \| good	0.996 \| good	29.615 \| good	0.584 \| good
2026-10-22T02:00:00.000Z	33 \| good	5.506 \| good	20.229 \| good	26.717 \| good	0.929 \| good	32.187 \| good	0.61 \| good
2026-10-22T03:00:00.000Z	54 \| moderate	10.579 \| good	46.882 \| good	10.596 \| good	0.988 \| good	16.811 \| good	0.325 \| good
2026-10-22T04:00:00.000Z	38 \| good	7.139 \| good	21.733 \| good	15.847 \| good	0.967 \| good	32.519 \| good	0.855 \| good
2026-10-22T05:00:00.000Z	44 \| good	7.672 \| good	22.706 \| good	9.617 \| good	0.893 \| good	27.447 \| good	0.692 \| good
2026-10-22T06:00:00.000Z	44 \| good	8.083 \| good	22.746 \| good	6.572 \| good	0.821 \| good	27.387 \| good	0.659 \| good
2026-10-22T07:00:00.000Z	44 \| good	8.037 \| good	22.958 \| good	7.054 \| good	0.824 \| good	26.026 \| good	0.665 \| good
2026-10-22T08:00:00.000Z	44 \| good	7.571 \| good	19.492 \| good	6.721 \| good	0.848 \| good	20.533 \| good	0.56 \| good
2026-10-22T09:00:00.000Z	38 \| good	7.399 \| good	19.218 \| good	6.341 \| good	0.848 \| good	18.144 \| good	0.491 \| good
2026-10-22T10:00:00.000Z	38 \| good	7.093 \| good	18.082 \| good	5.744 \| good	0.934 \| good	16.135 \| good	0.465 \| good
2026-10-22T11:00:00.000Z	38 \| good	7.052 \| good	17.657 \| good	4.156 \| good	0.678 \| good	15.543 \| good	0.468 \| good
2026-10-22T12:00:00.000Z	49 \| good	9.163 \| good	45.862 \| good	5.111 \| good	0.891 \| good	13.942 \| good	0.642 \| good
2026-10-22T13:00:00.000Z	49 \| good	9.298 \| good	46.381 \| good	5.873 \| good	0.883 \| good	12.286 \| good	0.69 \| good
2026-10-22T14:00:00.000Z	52 \| moderate	9.809 \| good	35.502 \| good	9.944 \| good	0.907 \| good	14.761 \| good	0.899 \| good
2026-10-22T15:00:00.000Z	54 \| moderate	10.512 \| good	34.28 \| good	19.379 \| good	1.284 \| good	16.291 \| good	0.342 \| good
2026-10-22T16:00:00.000Z	52 \| moderate	10.383 \| good	32.551 \| good	25.207 \| good	1.12 \| good	15.436 \| good	0.335 \| good
2026-10-22T17:00:00.000Z	52 \| moderate	9.545 \| good	30.131 \| good	31.756 \| good	1.568 \| good	12.588 \| good	0.308 \| good
2026-10-22T18:00:00.000Z	44 \| good	8.337 \| good	26.061 \| good	40.618 \| good	1.703 \| good	8.302 \| good	0.228 \| good
2026-10-22T19:00:00.000Z	42 \| good	7.403 \| good	24.473 \| good	45.351 \| good	2.377 \| good	5.294 \| good	0.202 \| good
2026-10-22T20:00:00.000Z	43 \| good	6.797 \| good	21.453 \| good	46.187 \| good	2.382 \| good	4.622 \| good	0.204 \| good
2026-10-22T20:00:00.000Z	43 \| good	6.716 \| good	20.911 \| good	46.007 \| good	2.467 \| good	4.094 \| good	0.201 \| good
2026-10-22T13:00:00.000Z	77 \| moderate	23.098 \| fine	101.285 \| fine	6.288 \| good	0.865 \| good	11.777 \| good	0.384 \| good
2026-10-22T14:00:00.000Z	73 \| moderate	20.746 \| fine	90.884 \| fine	14.737 \| good	0.922 \| good	8.597 \| good	0.366 \| good
2026-10-22T15:00:00.000Z	64 \| moderate	16.148 \| fine	71.607 \| fine	25.495 \| good	1.252 \| good	6.31 \| good	0.302 \| good
2026-10-22T16:00:00.000Z	56 \| moderate	12.146 \| fine	54.953 \| good	36.341 \| good	1.604 \| good	3.509 \| good	0.234 \| good
2026-10-22T17:00:00.000Z	49 \| good	9.41 \| good	42.075 \| good	44.169 \| good	1.547 \| good	1.842 \| good	0.201 \| good
2026-10-22T18:00:00.000Z	49 \| good	8.648 \| good	37.841 \| good	47.482 \| good	1.395 \| good	1.23 \| good	0.188 \| good
2026-10-22T19:00:00.000Z	47 \| good	8.368 \| good	36.847 \| good	51.224 \| good	1.294 \| good	1.018 \| good	0.181 \| good
2026-10-22T20:00:00.000Z	49 \| good	8.412 \| good	36.926 \| good	52.992 \| good	1.22 \| good	0.957 \| good	0.176 \| good
2026-10-22T21:00:00.000Z	49 \| good	8.36 \| good	36.736 \| good	52.547 \| good	1.183 \| good	1.046 \| good	0.173 \| good
2026-10-22T22:00:00.000Z	44 \| good	8.413 \| good	36.788 \| good	44.994 \| good	1.131 \| good	1.796 \| good	0.179 \| good
2026-10-22T23:00:00.000Z	49 \| good	9.277 \| good	41.134 \| good	30.789 \| good	1.069 \| good	4.683 \| good	0.208 \| good
2026-10-23T00:00:00.000Z	54 \| moderate	11.493 \| good	51.412 \| good	18.517 \| good	1.051 \| good	7.09 \| good	0.234 \| good
2026-10-23T01:00:00.000Z	58 \| moderate	13.446 \| fine	60.334 \| fine	17.268 \| good	1.07 \| good	7.843 \| good	0.242 \| good
2026-10-23T02:00:00.000Z	58 \| moderate	13.34 \| fine	59.921 \| fine	14.893 \| good	1.099 \| good	8.102 \| good	0.245 \| good
2026-10-23T03:00:00.000Z	60 \| moderate	13.581 \| fine	61.2 \| fine	13.266 \| good	1.141 \| good	8.025 \| good	0.245 \| good
2026-10-23T04:00:00.000Z	60 \| moderate	13.822 \| fine	62.257 \| fine	11.658 \| good	1.195 \| good	7.614 \| good	0.242 \| good
2026-10-23T05:00:00.000Z	58 \| moderate	13.496 \| fine	60.771 \| fine	10.239 \| good	1.24 \| good	6.962 \| good	0.239 \| good
2026-10-23T06:00:00.000Z	56 \| moderate	11.659 \| good	51.887 \| good	8.623 \| good	1.27 \| good	6.39 \| good	0.235 \| good
2026-10-23T07:00:00.000Z	54 \| moderate	10.913 \| good	48.707 \| good	7.703 \| good	1.278 \| good	6.08 \| good	0.233 \| good
2026-10-23T08:00:00.000Z	52 \| moderate	10.186 \| good	45.231 \| good	6.809 \| good	1.264 \| good	5.974 \| good	0.232 \| good
2026-10-23T09:00:00.000Z	49 \| good	9.068 \| good	40.502 \| good	5.567 \| good	1.236 \| good	5.971 \| good	0.232 \| good
2026-10-23T10:00:00.000Z	44 \| good	7.775 \| good	34.057 \| good	6.83 \| good	1.197 \| good	6.066 \| good	0.233 \| good
2026-10-23T11:00:00.000Z	38 \| good	7.229 \| good	31.686 \| good	3.883 \| good	1.152 \| good	6.285 \| good	0.235 \| good
2026-10-23T12:00:00.000Z	49 \| good	8.901 \| good	39.638 \| good	3.062 \| good	1.11 \| good	7.062 \| good	0.241 \| good
2026-10-23T13:00:00.000Z	52 \| moderate	10.099 \| good	44.925 \| good	10.539 \| good	1.051 \| good	6.408 \| good	0.25 \| good
2026-10-23T14:00:00.000Z	54 \| moderate	11.385 \| good	50.422 \| good	20.955 \| good	1.055 \| good	4.954 \| good	0.247 \| good
2026-10-23T15:00:00.000Z	52 \| moderate	10.271 \| good	45.363 \| good	30.569 \| good	1.185 \| good	3.854 \| good	0.229 \| good
2026-10-23T16:00:00.000Z	49 \| good	8.879 \| good	38.846 \| good	38.875 \| good	1.441 \| good	2.928 \| good	0.21 \| good
2026-10-23T17:00:00.000Z	44 \| good	7.742 \| good	33.916 \| good	47.059 \| good	1.659 \| good	1.852 \| good	0.189 \| good
2026-10-23T18:00:00.000Z	46 \| good	6.834 \| good	30.401 \| good	50.24 \| good	1.504 \| good	1.318 \| good	0.177 \| good
2026-10-23T19:00:00.000Z	46 \| good	6.557 \| good	29.323 \| good	50.064 \| good	1.312 \| good	1.047 \| good	0.169 \| good
2026-10-23T20:00:00.000Z	46 \| good	6.959 \| good	30.768 \| good	50.256 \| good	1.161 \| good	0.922 \| good	0.163 \| good
2026-10-23T21:00:00.000Z	46 \| good	7.662 \| good	33.736 \| good	50.499 \| good	1.072 \| good	0.961 \| good	0.16 \| good
2026-10-23T22:00:00.000Z	44 \| good	7.664 \| good	33.826 \| good	44.465 \| good	1.005 \| good	1.572 \| good	0.164 \| good
2026-10-23T23:00:00.000Z	44 \| good	8.483 \| good	36.977 \| good	29.251 \| good	0.944 \| good	4.164 \| good	0.188 \| good
2026-10-24T00:00:00.000Z	56 \| moderate	12.479 \| fine	56.01 \| fine	19.133 \| good	0.916 \| good	5.836 \| good	0.205 \| good
2026-10-24T01:00:00.000Z	60 \| moderate	14.355 \| fine	63.835 \| fine	18.584 \| good	0.91 \| good	5.41 \| good	0.198 \| good
2026-10-24T02:00:00.000Z	62 \| moderate	14.531 \| fine	65.424 \| fine	16.215 \| good	0.911 \| good	4.928 \| good	0.193 \| good
2026-10-24T03:00:00.000Z	60 \| moderate	13.763 \| fine	62.376 \| fine	14.338 \| good	0.914 \| good	4.548 \| good	0.19 \| good
2026-10-24T04:00:00.000Z	58 \| moderate	12.784 \| fine	57.242 \| fine	13.379 \| good	0.911 \| good	4.201 \| good	0.189 \| good
2026-10-24T05:00:00.000Z	56 \| moderate	12.29 \| fine	55.484 \| fine	12.915 \| good	0.896 \| good	3.758 \| good	0.187 \| good
2026-10-24T06:00:00.000Z	54 \| moderate	11.446 \| good	50.682 \| good	11.32 \| good	0.88 \| good	3.392 \| good	0.186 \| good
2026-10-24T07:00:00.000Z	54 \| moderate	11.348 \| good	50.503 \| good	10.549 \| good	0.877 \| good	3.136 \| good	0.185 \| good
2026-10-24T08:00:00.000Z	56 \| moderate	11.508 \| good	50.855 \| good	12.744 \| good	0.901 \| good	2.962 \| good	0.185 \| good
2026-10-24T09:00:00.000Z	56 \| moderate	11.576 \| good	51.278 \| good	13.014 \| good	0.95 \| good	2.868 \| good	0.185 \| good
2026-10-24T10:00:00.000Z	56 \| moderate	12.171 \| fine	54.354 \| good	12.303 \| good	1.001 \| good	2.897 \| good	0.186 \| good
2026-10-24T11:00:00.000Z	54 \| moderate	11.318 \| good	49.983 \| good	11.961 \| good	1.033 \| good	3.083 \| good	0.187 \| good
2026-10-24T12:00:00.000Z	49 \| good	9.106 \| good	9.155 \| good	24.574 \| good	1.05 \| good	3.719 \| good	0.193 \| good

St. Matthews

Empower business decisions with accurate air quality data

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

0.43ppm

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

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

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, 2026-10-22.

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 01:00:00 on 2026-10-22.

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 43.

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 6.716 μg/m³.

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

St. Matthews, Kentucky currently has a PM₁₀ concentration of 20.911 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 0.201 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 2.467 ppb.

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

St. Matthews, Kentucky currently has an ozone (O₃) concentration of 46.007 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 4.094 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T21:00:00.000Z	41 \| good	3.709 \| good	10.85 \| good	43.69 \| good	1.331 \| good	4.843 \| good	0.204 \| good
2026-10-20T22:00:00.000Z	42 \| good	3.564 \| good	10.695 \| good	44.73 \| good	1.37 \| good	3.97 \| good	0.204 \| good
2026-10-20T23:00:00.000Z	38 \| good	3.243 \| good	10.443 \| good	41.13 \| good	1.001 \| good	7.181 \| good	0.273 \| good
2026-10-21T00:00:00.000Z	31 \| good	3.367 \| good	10.941 \| good	33.982 \| good	0.939 \| good	21.015 \| good	0.415 \| good
2026-10-21T01:00:00.000Z	28 \| good	5.086 \| good	16.226 \| good	27.458 \| good	0.922 \| good	29.861 \| good	0.518 \| good
2026-10-21T02:00:00.000Z	38 \| good	7.167 \| good	19.598 \| good	20.178 \| good	0.873 \| good	25.128 \| good	0.681 \| good
2026-10-21T03:00:00.000Z	52 \| moderate	10.239 \| good	45.543 \| good	9.23 \| good	0.935 \| good	8.665 \| good	0.226 \| good
2026-10-21T04:00:00.000Z	44 \| good	8.264 \| good	22.518 \| good	11.66 \| good	0.798 \| good	25.08 \| good	0.608 \| good
2026-10-21T05:00:00.000Z	44 \| good	7.838 \| good	20.816 \| good	9.783 \| good	0.822 \| good	18.875 \| good	0.579 \| good
2026-10-21T06:00:00.000Z	44 \| good	7.581 \| good	18.897 \| good	9.97 \| good	0.878 \| good	18.966 \| good	0.44 \| good
2026-10-21T07:00:00.000Z	44 \| good	7.878 \| good	20.899 \| good	10.377 \| good	0.882 \| good	18.482 \| good	0.484 \| good
2026-10-21T08:00:00.000Z	38 \| good	6.844 \| good	17.963 \| good	10.076 \| good	0.823 \| good	15.726 \| good	0.422 \| good
2026-10-21T09:00:00.000Z	38 \| good	6.727 \| good	17.043 \| good	9.651 \| good	0.801 \| good	14.916 \| good	0.449 \| good
2026-10-21T10:00:00.000Z	38 \| good	6.625 \| good	16.816 \| good	8.806 \| good	0.671 \| good	12.579 \| good	0.421 \| good
2026-10-21T11:00:00.000Z	38 \| good	7.088 \| good	22.491 \| good	7.743 \| good	0.921 \| good	12.079 \| good	0.562 \| good
2026-10-21T12:00:00.000Z	38 \| good	6.685 \| good	24.551 \| good	7.28 \| good	0.751 \| good	12.326 \| good	0.575 \| good
2026-10-21T13:00:00.000Z	38 \| good	6.729 \| good	26.289 \| good	7.607 \| good	0.761 \| good	12.365 \| good	0.608 \| good
2026-10-21T14:00:00.000Z	38 \| good	7.261 \| good	25.327 \| good	12.258 \| good	0.857 \| good	14.98 \| good	0.757 \| good
2026-10-21T15:00:00.000Z	44 \| good	7.972 \| good	26.148 \| good	15.363 \| good	0.773 \| good	16.798 \| good	0.477 \| good
2026-10-21T16:00:00.000Z	44 \| good	7.821 \| good	24.964 \| good	20.657 \| good	0.91 \| good	16.318 \| good	0.407 \| good
2026-10-21T17:00:00.000Z	38 \| good	7.067 \| good	22.775 \| good	26.537 \| good	0.956 \| good	11.663 \| good	0.31 \| good
2026-10-21T18:00:00.000Z	37 \| good	6.075 \| good	21.98 \| good	39.885 \| good	1.071 \| good	5.836 \| good	0.21 \| good
2026-10-21T19:00:00.000Z	40 \| good	5.713 \| good	19.826 \| good	43.488 \| good	1.535 \| good	5.582 \| good	0.275 \| good
2026-10-21T20:00:00.000Z	44 \| good	4.908 \| good	18.027 \| good	47.467 \| good	1.4 \| good	4.517 \| good	0.207 \| good
2026-10-21T21:00:00.000Z	45 \| good	4.122 \| good	16.085 \| good	49.314 \| good	1.272 \| good	3.945 \| good	0.274 \| good
2026-10-21T22:00:00.000Z	44 \| good	3.719 \| good	15.745 \| good	47.956 \| good	1.265 \| good	3.713 \| good	0.455 \| good
2026-10-21T23:00:00.000Z	42 \| good	3.706 \| good	15.487 \| good	44.545 \| good	1.176 \| good	9.119 \| good	0.343 \| good
2026-10-22T00:00:00.000Z	39 \| good	3.999 \| good	15.711 \| good	42.242 \| good	1.05 \| good	29.123 \| good	0.577 \| good
2026-10-22T01:00:00.000Z	30 \| good	4.661 \| good	16.816 \| good	31.691 \| good	0.996 \| good	29.615 \| good	0.584 \| good
2026-10-22T02:00:00.000Z	33 \| good	5.506 \| good	20.229 \| good	26.717 \| good	0.929 \| good	32.187 \| good	0.61 \| good
2026-10-22T03:00:00.000Z	54 \| moderate	10.579 \| good	46.882 \| good	10.596 \| good	0.988 \| good	16.811 \| good	0.325 \| good
2026-10-22T04:00:00.000Z	38 \| good	7.139 \| good	21.733 \| good	15.847 \| good	0.967 \| good	32.519 \| good	0.855 \| good
2026-10-22T05:00:00.000Z	44 \| good	7.672 \| good	22.706 \| good	9.617 \| good	0.893 \| good	27.447 \| good	0.692 \| good
2026-10-22T06:00:00.000Z	44 \| good	8.083 \| good	22.746 \| good	6.572 \| good	0.821 \| good	27.387 \| good	0.659 \| good
2026-10-22T07:00:00.000Z	44 \| good	8.037 \| good	22.958 \| good	7.054 \| good	0.824 \| good	26.026 \| good	0.665 \| good
2026-10-22T08:00:00.000Z	44 \| good	7.571 \| good	19.492 \| good	6.721 \| good	0.848 \| good	20.533 \| good	0.56 \| good
2026-10-22T09:00:00.000Z	38 \| good	7.399 \| good	19.218 \| good	6.341 \| good	0.848 \| good	18.144 \| good	0.491 \| good
2026-10-22T10:00:00.000Z	38 \| good	7.093 \| good	18.082 \| good	5.744 \| good	0.934 \| good	16.135 \| good	0.465 \| good
2026-10-22T11:00:00.000Z	38 \| good	7.052 \| good	17.657 \| good	4.156 \| good	0.678 \| good	15.543 \| good	0.468 \| good
2026-10-22T12:00:00.000Z	49 \| good	9.163 \| good	45.862 \| good	5.111 \| good	0.891 \| good	13.942 \| good	0.642 \| good
2026-10-22T13:00:00.000Z	49 \| good	9.298 \| good	46.381 \| good	5.873 \| good	0.883 \| good	12.286 \| good	0.69 \| good
2026-10-22T14:00:00.000Z	52 \| moderate	9.809 \| good	35.502 \| good	9.944 \| good	0.907 \| good	14.761 \| good	0.899 \| good
2026-10-22T15:00:00.000Z	54 \| moderate	10.512 \| good	34.28 \| good	19.379 \| good	1.284 \| good	16.291 \| good	0.342 \| good
2026-10-22T16:00:00.000Z	52 \| moderate	10.383 \| good	32.551 \| good	25.207 \| good	1.12 \| good	15.436 \| good	0.335 \| good
2026-10-22T17:00:00.000Z	52 \| moderate	9.545 \| good	30.131 \| good	31.756 \| good	1.568 \| good	12.588 \| good	0.308 \| good
2026-10-22T18:00:00.000Z	44 \| good	8.337 \| good	26.061 \| good	40.618 \| good	1.703 \| good	8.302 \| good	0.228 \| good
2026-10-22T19:00:00.000Z	42 \| good	7.403 \| good	24.473 \| good	45.351 \| good	2.377 \| good	5.294 \| good	0.202 \| good
2026-10-22T20:00:00.000Z	43 \| good	6.797 \| good	21.453 \| good	46.187 \| good	2.382 \| good	4.622 \| good	0.204 \| good
2026-10-22T20:00:00.000Z	43 \| good	6.716 \| good	20.911 \| good	46.007 \| good	2.467 \| good	4.094 \| good	0.201 \| good
2026-10-22T13:00:00.000Z	77 \| moderate	23.098 \| fine	101.285 \| fine	6.288 \| good	0.865 \| good	11.777 \| good	0.384 \| good
2026-10-22T14:00:00.000Z	73 \| moderate	20.746 \| fine	90.884 \| fine	14.737 \| good	0.922 \| good	8.597 \| good	0.366 \| good
2026-10-22T15:00:00.000Z	64 \| moderate	16.148 \| fine	71.607 \| fine	25.495 \| good	1.252 \| good	6.31 \| good	0.302 \| good
2026-10-22T16:00:00.000Z	56 \| moderate	12.146 \| fine	54.953 \| good	36.341 \| good	1.604 \| good	3.509 \| good	0.234 \| good
2026-10-22T17:00:00.000Z	49 \| good	9.41 \| good	42.075 \| good	44.169 \| good	1.547 \| good	1.842 \| good	0.201 \| good
2026-10-22T18:00:00.000Z	49 \| good	8.648 \| good	37.841 \| good	47.482 \| good	1.395 \| good	1.23 \| good	0.188 \| good
2026-10-22T19:00:00.000Z	47 \| good	8.368 \| good	36.847 \| good	51.224 \| good	1.294 \| good	1.018 \| good	0.181 \| good
2026-10-22T20:00:00.000Z	49 \| good	8.412 \| good	36.926 \| good	52.992 \| good	1.22 \| good	0.957 \| good	0.176 \| good
2026-10-22T21:00:00.000Z	49 \| good	8.36 \| good	36.736 \| good	52.547 \| good	1.183 \| good	1.046 \| good	0.173 \| good
2026-10-22T22:00:00.000Z	44 \| good	8.413 \| good	36.788 \| good	44.994 \| good	1.131 \| good	1.796 \| good	0.179 \| good
2026-10-22T23:00:00.000Z	49 \| good	9.277 \| good	41.134 \| good	30.789 \| good	1.069 \| good	4.683 \| good	0.208 \| good
2026-10-23T00:00:00.000Z	54 \| moderate	11.493 \| good	51.412 \| good	18.517 \| good	1.051 \| good	7.09 \| good	0.234 \| good
2026-10-23T01:00:00.000Z	58 \| moderate	13.446 \| fine	60.334 \| fine	17.268 \| good	1.07 \| good	7.843 \| good	0.242 \| good
2026-10-23T02:00:00.000Z	58 \| moderate	13.34 \| fine	59.921 \| fine	14.893 \| good	1.099 \| good	8.102 \| good	0.245 \| good
2026-10-23T03:00:00.000Z	60 \| moderate	13.581 \| fine	61.2 \| fine	13.266 \| good	1.141 \| good	8.025 \| good	0.245 \| good
2026-10-23T04:00:00.000Z	60 \| moderate	13.822 \| fine	62.257 \| fine	11.658 \| good	1.195 \| good	7.614 \| good	0.242 \| good
2026-10-23T05:00:00.000Z	58 \| moderate	13.496 \| fine	60.771 \| fine	10.239 \| good	1.24 \| good	6.962 \| good	0.239 \| good
2026-10-23T06:00:00.000Z	56 \| moderate	11.659 \| good	51.887 \| good	8.623 \| good	1.27 \| good	6.39 \| good	0.235 \| good
2026-10-23T07:00:00.000Z	54 \| moderate	10.913 \| good	48.707 \| good	7.703 \| good	1.278 \| good	6.08 \| good	0.233 \| good
2026-10-23T08:00:00.000Z	52 \| moderate	10.186 \| good	45.231 \| good	6.809 \| good	1.264 \| good	5.974 \| good	0.232 \| good
2026-10-23T09:00:00.000Z	49 \| good	9.068 \| good	40.502 \| good	5.567 \| good	1.236 \| good	5.971 \| good	0.232 \| good
2026-10-23T10:00:00.000Z	44 \| good	7.775 \| good	34.057 \| good	6.83 \| good	1.197 \| good	6.066 \| good	0.233 \| good
2026-10-23T11:00:00.000Z	38 \| good	7.229 \| good	31.686 \| good	3.883 \| good	1.152 \| good	6.285 \| good	0.235 \| good
2026-10-23T12:00:00.000Z	49 \| good	8.901 \| good	39.638 \| good	3.062 \| good	1.11 \| good	7.062 \| good	0.241 \| good
2026-10-23T13:00:00.000Z	52 \| moderate	10.099 \| good	44.925 \| good	10.539 \| good	1.051 \| good	6.408 \| good	0.25 \| good
2026-10-23T14:00:00.000Z	54 \| moderate	11.385 \| good	50.422 \| good	20.955 \| good	1.055 \| good	4.954 \| good	0.247 \| good
2026-10-23T15:00:00.000Z	52 \| moderate	10.271 \| good	45.363 \| good	30.569 \| good	1.185 \| good	3.854 \| good	0.229 \| good
2026-10-23T16:00:00.000Z	49 \| good	8.879 \| good	38.846 \| good	38.875 \| good	1.441 \| good	2.928 \| good	0.21 \| good
2026-10-23T17:00:00.000Z	44 \| good	7.742 \| good	33.916 \| good	47.059 \| good	1.659 \| good	1.852 \| good	0.189 \| good
2026-10-23T18:00:00.000Z	46 \| good	6.834 \| good	30.401 \| good	50.24 \| good	1.504 \| good	1.318 \| good	0.177 \| good
2026-10-23T19:00:00.000Z	46 \| good	6.557 \| good	29.323 \| good	50.064 \| good	1.312 \| good	1.047 \| good	0.169 \| good
2026-10-23T20:00:00.000Z	46 \| good	6.959 \| good	30.768 \| good	50.256 \| good	1.161 \| good	0.922 \| good	0.163 \| good
2026-10-23T21:00:00.000Z	46 \| good	7.662 \| good	33.736 \| good	50.499 \| good	1.072 \| good	0.961 \| good	0.16 \| good
2026-10-23T22:00:00.000Z	44 \| good	7.664 \| good	33.826 \| good	44.465 \| good	1.005 \| good	1.572 \| good	0.164 \| good
2026-10-23T23:00:00.000Z	44 \| good	8.483 \| good	36.977 \| good	29.251 \| good	0.944 \| good	4.164 \| good	0.188 \| good
2026-10-24T00:00:00.000Z	56 \| moderate	12.479 \| fine	56.01 \| fine	19.133 \| good	0.916 \| good	5.836 \| good	0.205 \| good
2026-10-24T01:00:00.000Z	60 \| moderate	14.355 \| fine	63.835 \| fine	18.584 \| good	0.91 \| good	5.41 \| good	0.198 \| good
2026-10-24T02:00:00.000Z	62 \| moderate	14.531 \| fine	65.424 \| fine	16.215 \| good	0.911 \| good	4.928 \| good	0.193 \| good
2026-10-24T03:00:00.000Z	60 \| moderate	13.763 \| fine	62.376 \| fine	14.338 \| good	0.914 \| good	4.548 \| good	0.19 \| good
2026-10-24T04:00:00.000Z	58 \| moderate	12.784 \| fine	57.242 \| fine	13.379 \| good	0.911 \| good	4.201 \| good	0.189 \| good
2026-10-24T05:00:00.000Z	56 \| moderate	12.29 \| fine	55.484 \| fine	12.915 \| good	0.896 \| good	3.758 \| good	0.187 \| good
2026-10-24T06:00:00.000Z	54 \| moderate	11.446 \| good	50.682 \| good	11.32 \| good	0.88 \| good	3.392 \| good	0.186 \| good
2026-10-24T07:00:00.000Z	54 \| moderate	11.348 \| good	50.503 \| good	10.549 \| good	0.877 \| good	3.136 \| good	0.185 \| good
2026-10-24T08:00:00.000Z	56 \| moderate	11.508 \| good	50.855 \| good	12.744 \| good	0.901 \| good	2.962 \| good	0.185 \| good
2026-10-24T09:00:00.000Z	56 \| moderate	11.576 \| good	51.278 \| good	13.014 \| good	0.95 \| good	2.868 \| good	0.185 \| good
2026-10-24T10:00:00.000Z	56 \| moderate	12.171 \| fine	54.354 \| good	12.303 \| good	1.001 \| good	2.897 \| good	0.186 \| good
2026-10-24T11:00:00.000Z	54 \| moderate	11.318 \| good	49.983 \| good	11.961 \| good	1.033 \| good	3.083 \| good	0.187 \| good
2026-10-24T12:00:00.000Z	49 \| good	9.106 \| good	9.155 \| good	24.574 \| good	1.05 \| good	3.719 \| good	0.193 \| 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

Empower business decisions with accurate air quality data

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

How accurate is Kentucky, USA air quality data?

Air quality levels in US

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?