What is the current level of PM10 in Frankfort, Illinois?

Frankfort, Illinois currently has a PM10 concentration of 41.77 μg/m3.

What is the current level of sulfur dioxide (SO2) in Frankfort, Illinois?

The current sulfur dioxide (SO2) concentration in Frankfort, Illinois is 0.537 ppb.

What is the current level of ozone (O3) in Frankfort, Illinois?

Frankfort, Illinois currently has an ozone (O3) concentration of 36.685 ppm.

What is the current level of nitrogen dioxide (NO2) in Frankfort, Illinois?

The current level of nitrogen dioxide (NO2) in Frankfort, Illinois is 1.397 ppb.

Current air quality index in Frankfort, Illinois today

Name: Live air pollution levels in Frankfort, Illinois today
Creator: Ambee

Stay updated with real-time air quality in Frankfort, Illinois 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

Frankfort, Illinois

Last updated: ... (Local time)

Common air pollutants in Frankfort, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

23.98 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

101.41 μg/m³

155

255

425

605+

Ozone (O₃)

50.15 ppb

201

201+

Sulfur Dioxide (SO₂)

1.55 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.02 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.22 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Frankfort, Illinois

Get Live Pollen Counts

Frankfort, Illinois

Scroll To Air Quality Map

Track live Frankfort, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-20T01:00:00.000Z	38 \| good	5.545 \| good	24.424 \| good	41.399 \| good	0.447 \| good	4.839 \| good	0.374 \| good
2025-07-20T02:00:00.000Z	40 \| good	5.907 \| good	26.344 \| good	42.516 \| good	0.516 \| good	5.197 \| good	0.393 \| good
2025-07-20T03:00:00.000Z	35 \| good	5.899 \| good	27.618 \| good	38.264 \| good	0.426 \| good	7.956 \| good	0.407 \| good
2025-07-20T04:00:00.000Z	31 \| good	4.438 \| good	17.418 \| good	33.563 \| good	0.366 \| good	7.155 \| good	0.37 \| good
2025-07-20T05:00:00.000Z	27 \| good	5.393 \| good	17.044 \| good	28.916 \| good	0.371 \| good	7.591 \| good	0.352 \| good
2025-07-20T06:00:00.000Z	25 \| good	4.083 \| good	16.444 \| good	27.403 \| good	0.429 \| good	7.447 \| good	0.3 \| good
2025-07-20T07:00:00.000Z	27 \| good	4.051 \| good	16.804 \| good	28.748 \| good	0.336 \| good	4.977 \| good	0.282 \| good
2025-07-20T08:00:00.000Z	31 \| good	3.937 \| good	16.572 \| good	34.21 \| good	0.293 \| good	5.271 \| good	0.278 \| good
2025-07-20T09:00:00.000Z	27 \| good	3.121 \| good	20.785 \| good	29.135 \| good	0.379 \| good	7.116 \| good	0.245 \| good
2025-07-20T10:00:00.000Z	22 \| good	4.159 \| good	13.121 \| good	22.803 \| good	0.455 \| good	9.696 \| good	0.464 \| good
2025-07-20T11:00:00.000Z	27 \| good	5.28 \| good	26.727 \| good	23.082 \| good	0.47 \| good	5.323 \| good	0.208 \| good
2025-07-20T12:00:00.000Z	22 \| good	4.212 \| good	20.58 \| good	17.348 \| good	0.374 \| good	0.873 \| good	0.208 \| good
2025-07-20T13:00:00.000Z	27 \| good	4.561 \| good	24.565 \| good	28.375 \| good	0.301 \| good	1.266 \| good	0.223 \| good
2025-07-20T14:00:00.000Z	22 \| good	4.485 \| good	17.232 \| good	19.977 \| good	0.22 \| good	2.281 \| good	0.263 \| good
2025-07-20T15:00:00.000Z	31 \| good	4.867 \| good	18.373 \| good	33.267 \| good	0.423 \| good	2.201 \| good	0.229 \| good
2025-07-20T16:00:00.000Z	33 \| good	4.054 \| good	16.033 \| good	36.387 \| good	0.406 \| good	2.585 \| good	0.228 \| good
2025-07-20T17:00:00.000Z	31 \| good	4.572 \| good	12.726 \| good	33.118 \| good	0.474 \| good	3.816 \| good	0.229 \| good
2025-07-20T18:00:00.000Z	28 \| good	4.647 \| good	24.871 \| good	29.628 \| good	0.511 \| good	1.684 \| good	0.245 \| good
2025-07-20T19:00:00.000Z	31 \| good	4.283 \| good	25.881 \| good	32.976 \| good	0.507 \| good	3.564 \| good	0.245 \| good
2025-07-20T20:00:00.000Z	33 \| good	5.133 \| good	20.363 \| good	35.741 \| good	0.517 \| good	1.549 \| good	0.213 \| good
2025-07-20T21:00:00.000Z	49 \| good	9.484 \| good	47.999 \| good	36.542 \| good	0.544 \| good	1.398 \| good	0.213 \| good
2025-07-20T22:00:00.000Z	38 \| good	6.662 \| good	31.326 \| good	36.562 \| good	0.44 \| good	2.759 \| good	0.258 \| good
2025-07-20T23:00:00.000Z	38 \| good	6.726 \| good	25.172 \| good	35.508 \| good	0.397 \| good	3.65 \| good	0.276 \| good
2025-07-21T00:00:00.000Z	44 \| good	7.522 \| good	44.556 \| good	34.691 \| good	0.397 \| good	3.528 \| good	0.328 \| good
2025-07-21T01:00:00.000Z	31 \| good	4.975 \| good	21.455 \| good	33.261 \| good	0.417 \| good	3.982 \| good	0.342 \| good
2025-07-21T02:00:00.000Z	38 \| good	6.566 \| good	30.295 \| good	34.236 \| good	0.477 \| good	4.871 \| good	0.342 \| good
2025-07-21T03:00:00.000Z	33 \| good	5.914 \| good	19.994 \| good	31.519 \| good	0.416 \| good	5.293 \| good	0.357 \| good
2025-07-21T04:00:00.000Z	30 \| good	5.078 \| good	18.77 \| good	31.821 \| good	0.375 \| good	4.319 \| good	0.248 \| good
2025-07-21T05:00:00.000Z	33 \| good	5.669 \| good	21.032 \| good	30.156 \| good	0.452 \| good	1.572 \| good	0.263 \| good
2025-07-21T06:00:00.000Z	33 \| good	6.076 \| good	30.542 \| good	33.636 \| good	0.518 \| good	3.171 \| good	0.245 \| good
2025-07-21T07:00:00.000Z	60 \| moderate	14.116 \| fine	58.229 \| fine	30.662 \| good	0.641 \| good	2.067 \| good	0.23 \| good
2025-07-21T08:00:00.000Z	99 \| moderate	29.054 \| fine	151.716 \| fine	24.671 \| good	0.428 \| good	3.064 \| good	0.2 \| good
2025-07-21T09:00:00.000Z	96 \| moderate	33.173 \| fine	144.313 \| fine	20.44 \| good	0.37 \| good	4.011 \| good	0.211 \| good
2025-07-21T10:00:00.000Z	122 \| sensitive	44.389 \| moderate	188.316 \| moderate	21.534 \| good	0.413 \| good	4.51 \| good	0.211 \| good
2025-07-21T11:00:00.000Z	127 \| sensitive	43.868 \| moderate	207.364 \| moderate	18.097 \| good	0.798 \| good	4.584 \| good	0.178 \| good
2025-07-21T12:00:00.000Z	113 \| sensitive	39.311 \| moderate	179.598 \| moderate	15.12 \| good	0.94 \| good	6.213 \| good	0.178 \| good
2025-07-21T13:00:00.000Z	54 \| moderate	11.194 \| good	47.477 \| good	13.73 \| good	1.157 \| good	7.296 \| good	0.177 \| good
2025-07-21T14:00:00.000Z	56 \| moderate	12.266 \| fine	44.714 \| good	19.777 \| good	0.898 \| good	4.51 \| good	0.159 \| good
2025-07-21T15:00:00.000Z	52 \| moderate	9.818 \| good	22.82 \| good	25.021 \| good	2.954 \| good	3.866 \| good	0.159 \| good
2025-07-21T16:00:00.000Z	44 \| good	7.714 \| good	31.119 \| good	29.116 \| good	3.143 \| good	2.257 \| good	0.144 \| good
2025-07-21T17:00:00.000Z	62 \| moderate	14.791 \| fine	70.96 \| fine	34.212 \| good	1.405 \| good	1.441 \| good	0.129 \| good
2025-07-21T18:00:00.000Z	49 \| good	8.66 \| good	39.755 \| good	30.753 \| good	1.233 \| good	1.55 \| good	0.167 \| good
2025-07-21T19:00:00.000Z	56 \| moderate	12.417 \| fine	49.208 \| good	42.072 \| good	1.666 \| good	1.576 \| good	0.168 \| good
2025-07-21T20:00:00.000Z	54 \| moderate	10.71 \| good	48.804 \| good	46.78 \| good	0.983 \| good	1.139 \| good	0.189 \| good
2025-07-21T21:00:00.000Z	58 \| moderate	13.001 \| fine	59.291 \| fine	48.913 \| good	2.431 \| good	1.299 \| good	0.192 \| good
2025-07-21T22:00:00.000Z	62 \| moderate	15.429 \| fine	63.298 \| fine	47.514 \| good	2.504 \| good	1.213 \| good	0.212 \| good
2025-07-21T23:00:00.000Z	84 \| moderate	26.86 \| fine	112.643 \| fine	51.19 \| good	1.464 \| good	1.043 \| good	0.222 \| good
2025-07-22T00:00:00.000Z	79 \| moderate	23.983 \| fine	101.412 \| fine	50.152 \| good	1.555 \| good	1.023 \| good	0.222 \| good
2025-07-20T23:00:00.000Z	52 \| moderate	9.521 \| good	42.995 \| good	45.104 \| good	1.482 \| good	4.207 \| good	0.182 \| good
2025-07-21T00:00:00.000Z	44 \| good	8.224 \| good	36.004 \| good	42.231 \| good	1.583 \| good	5.039 \| good	0.182 \| good
2025-07-21T01:00:00.000Z	52 \| moderate	9.781 \| good	43.009 \| good	38.685 \| good	1.624 \| good	5.9 \| good	0.182 \| good
2025-07-21T02:00:00.000Z	44 \| good	7.883 \| good	34.008 \| good	32.197 \| good	1.666 \| good	6.761 \| good	0.183 \| good
2025-07-21T03:00:00.000Z	38 \| good	6.865 \| good	30.004 \| good	27.885 \| good	1.708 \| good	7.622 \| good	0.183 \| good
2025-07-21T04:00:00.000Z	52 \| moderate	10.496 \| good	46 \| good	27.905 \| good	1.623 \| good	7.494 \| good	0.187 \| good
2025-07-21T05:00:00.000Z	62 \| moderate	14.789 \| fine	65.006 \| fine	28.419 \| good	1.539 \| good	7.367 \| good	0.192 \| good
2025-07-21T06:00:00.000Z	66 \| moderate	16.779 \| fine	74.989 \| fine	27.557 \| good	1.455 \| good	7.24 \| good	0.196 \| good
2025-07-21T07:00:00.000Z	66 \| moderate	16.841 \| fine	74.992 \| fine	26.104 \| good	1.373 \| good	6.703 \| good	0.203 \| good
2025-07-21T08:00:00.000Z	66 \| moderate	16.611 \| fine	73.014 \| fine	21.631 \| good	1.291 \| good	6.165 \| good	0.21 \| good
2025-07-21T09:00:00.000Z	66 \| moderate	17.283 \| fine	77 \| fine	16.081 \| good	1.209 \| good	5.628 \| good	0.217 \| good
2025-07-21T10:00:00.000Z	69 \| moderate	18.761 \| fine	83 \| fine	11.852 \| good	1.198 \| good	5.724 \| good	0.223 \| good
2025-07-21T11:00:00.000Z	64 \| moderate	15.68 \| fine	69.01 \| fine	10.672 \| good	1.188 \| good	5.82 \| good	0.229 \| good
2025-07-21T12:00:00.000Z	54 \| moderate	11.418 \| good	50.997 \| good	13.026 \| good	1.178 \| good	5.917 \| good	0.235 \| good
2025-07-21T13:00:00.000Z	49 \| good	9.477 \| good	41.998 \| good	13.565 \| good	1.365 \| good	5.489 \| good	0.234 \| good
2025-07-21T14:00:00.000Z	49 \| good	9.333 \| good	41.993 \| good	19.951 \| good	1.552 \| good	5.06 \| good	0.233 \| good
2025-07-21T15:00:00.000Z	52 \| moderate	9.502 \| good	42.994 \| good	34.192 \| good	1.739 \| good	4.632 \| good	0.232 \| good
2025-07-21T16:00:00.000Z	49 \| good	9.383 \| good	42 \| good	39.543 \| good	1.655 \| good	3.683 \| good	0.221 \| good
2025-07-21T17:00:00.000Z	49 \| good	8.758 \| good	38 \| good	40.902 \| good	1.572 \| good	2.733 \| good	0.211 \| good
2025-07-21T18:00:00.000Z	37 \| good	6.304 \| good	27.999 \| good	40.165 \| good	1.489 \| good	1.783 \| good	0.2 \| good
2025-07-21T19:00:00.000Z	37 \| good	5.472 \| good	23.004 \| good	39.991 \| good	1.397 \| good	1.815 \| good	0.197 \| good
2025-07-21T20:00:00.000Z	40 \| good	5.377 \| good	23.001 \| good	43.25 \| good	1.304 \| good	1.847 \| good	0.194 \| good
2025-07-21T21:00:00.000Z	42 \| good	6.697 \| good	29.993 \| good	45.301 \| good	1.212 \| good	1.879 \| good	0.191 \| good
2025-07-21T22:00:00.000Z	49 \| good	8.806 \| good	38.991 \| good	45.278 \| good	1.23 \| good	2.866 \| good	0.201 \| good
2025-07-21T23:00:00.000Z	52 \| moderate	9.742 \| good	42.999 \| good	42.474 \| good	1.248 \| good	3.852 \| good	0.21 \| good
2025-07-22T00:00:00.000Z	54 \| moderate	11.046 \| good	48.997 \| good	41.469 \| good	1.265 \| good	4.839 \| good	0.22 \| good
2025-07-22T01:00:00.000Z	54 \| moderate	10.8 \| good	47.998 \| good	39.719 \| good	1.301 \| good	5.616 \| good	0.229 \| good
2025-07-22T02:00:00.000Z	58 \| moderate	12.885 \| fine	57.009 \| fine	33.14 \| good	1.336 \| good	6.393 \| good	0.238 \| good
2025-07-22T03:00:00.000Z	60 \| moderate	14.389 \| fine	64.994 \| fine	29.974 \| good	1.371 \| good	7.17 \| good	0.247 \| good
2025-07-22T04:00:00.000Z	64 \| moderate	15.816 \| fine	70.989 \| fine	28.03 \| good	1.43 \| good	7.025 \| good	0.249 \| good
2025-07-22T05:00:00.000Z	66 \| moderate	17.496 \| fine	77.005 \| fine	24.748 \| good	1.489 \| good	6.88 \| good	0.25 \| good
2025-07-22T06:00:00.000Z	67 \| moderate	18.304 \| fine	80.998 \| fine	23.115 \| good	1.548 \| good	6.735 \| good	0.252 \| good
2025-07-22T07:00:00.000Z	71 \| moderate	19.59 \| fine	86.993 \| fine	22.753 \| good	1.593 \| good	6.704 \| good	0.253 \| good
2025-07-22T08:00:00.000Z	69 \| moderate	19.459 \| fine	85.009 \| fine	21.43 \| good	1.637 \| good	6.672 \| good	0.254 \| good
2025-07-22T09:00:00.000Z	67 \| moderate	17.56 \| fine	77.007 \| fine	20.37 \| good	1.682 \| good	6.641 \| good	0.256 \| good
2025-07-22T10:00:00.000Z	67 \| moderate	18.485 \| fine	81.012 \| fine	17.32 \| good	1.678 \| good	6.783 \| good	0.26 \| good
2025-07-22T11:00:00.000Z	62 \| moderate	15.36 \| fine	68.996 \| fine	16.131 \| good	1.673 \| good	6.925 \| good	0.263 \| good
2025-07-22T12:00:00.000Z	60 \| moderate	13.569 \| fine	61 \| fine	20.132 \| good	1.668 \| good	7.067 \| good	0.267 \| good
2025-07-22T13:00:00.000Z	58 \| moderate	12.83 \| fine	57.006 \| fine	27.995 \| good	1.783 \| good	6.476 \| good	0.268 \| good
2025-07-22T14:00:00.000Z	60 \| moderate	13.588 \| fine	61.002 \| fine	35.16 \| good	1.897 \| good	5.885 \| good	0.268 \| good
2025-07-22T15:00:00.000Z	60 \| moderate	14.021 \| fine	63 \| fine	39.703 \| good	2.012 \| good	5.294 \| good	0.269 \| good
2025-07-22T16:00:00.000Z	60 \| moderate	14.351 \| fine	64.994 \| fine	43.776 \| good	1.982 \| good	4.113 \| good	0.254 \| good
2025-07-22T17:00:00.000Z	60 \| moderate	14.333 \| fine	64.99 \| fine	43.458 \| good	1.951 \| good	2.932 \| good	0.239 \| good
2025-07-22T18:00:00.000Z	58 \| moderate	13.111 \| fine	59 \| fine	43.484 \| good	1.921 \| good	1.751 \| good	0.224 \| good
2025-07-22T19:00:00.000Z	58 \| moderate	13.068 \| fine	58.994 \| fine	43.142 \| good	1.792 \| good	1.69 \| good	0.217 \| good
2025-07-22T20:00:00.000Z	58 \| moderate	13.337 \| fine	60.984 \| fine	47.484 \| good	1.662 \| good	1.629 \| good	0.21 \| good
2025-07-22T21:00:00.000Z	58 \| moderate	13.332 \| fine	60.989 \| fine	50.377 \| good	1.533 \| good	1.569 \| good	0.204 \| good
2025-07-22T22:00:00.000Z	58 \| moderate	13.092 \| fine	58.998 \| fine	50.902 \| good	1.423 \| good	2.305 \| good	0.204 \| good

Frankfort

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Frankfort, Illinois

0.22ppm

How accurate is Illinois, USA air quality data?

The air quality data for Illinois, 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 Frankfort, Illinois get updated?

Air quality updates for Frankfort, Illinois are available every hour.

What time in the past 24 hours saw the poorest air quality in Frankfort, Illinois?

Frankfort, Illinois experienced its worst air quality at 09:00:00, 2025-07-20.

When was air quality in Frankfort, Illinois the best over the past 24 hours?

The best air quality in Frankfort, Illinois was observed at 09:00:00 on 2025-07-20.

What is the air quality in Frankfort, Illinois right now?

The air quality in Frankfort, Illinois right now is Moderate, with an AQI of 52.

What pollutant is most frequently found in Frankfort, Illinois?

In Frankfort, Illinois, PM2.5 is the most frequently found pollutant.

What can I do if the air quality in Frankfort, Illinois is poor?

When air quality in Frankfort, Illinois is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Frankfort, Illinois right now?

Frankfort, Illinois currently has a PM_2.5 concentration of 9.729 μg/m³.

What is the current level of PM₁₀ in Frankfort, Illinois?

Frankfort, Illinois currently has a PM₁₀ concentration of 41.77 μg/m³.

What is the current level of carbon monoxide (CO) in Frankfort, Illinois?

The current carbon monoxide (CO) level in Frankfort, Illinois is 0.215 ppm.

What is the current level of sulfur dioxide (SO₂) in Frankfort, Illinois?

The current sulfur dioxide (SO₂) concentration in Frankfort, Illinois is 0.537 ppb.

What is the current level of ozone (O₃) in Frankfort, Illinois?

Frankfort, Illinois currently has an ozone (O₃) concentration of 36.685 ppm.

What is the current level of nitrogen dioxide (NO₂) in Frankfort, Illinois?

The current level of nitrogen dioxide (NO₂) in Frankfort, Illinois is 1.397 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-20T01:00:00.000Z	38 \| good	5.545 \| good	24.424 \| good	41.399 \| good	0.447 \| good	4.839 \| good	0.374 \| good
2025-07-20T02:00:00.000Z	40 \| good	5.907 \| good	26.344 \| good	42.516 \| good	0.516 \| good	5.197 \| good	0.393 \| good
2025-07-20T03:00:00.000Z	35 \| good	5.899 \| good	27.618 \| good	38.264 \| good	0.426 \| good	7.956 \| good	0.407 \| good
2025-07-20T04:00:00.000Z	31 \| good	4.438 \| good	17.418 \| good	33.563 \| good	0.366 \| good	7.155 \| good	0.37 \| good
2025-07-20T05:00:00.000Z	27 \| good	5.393 \| good	17.044 \| good	28.916 \| good	0.371 \| good	7.591 \| good	0.352 \| good
2025-07-20T06:00:00.000Z	25 \| good	4.083 \| good	16.444 \| good	27.403 \| good	0.429 \| good	7.447 \| good	0.3 \| good
2025-07-20T07:00:00.000Z	27 \| good	4.051 \| good	16.804 \| good	28.748 \| good	0.336 \| good	4.977 \| good	0.282 \| good
2025-07-20T08:00:00.000Z	31 \| good	3.937 \| good	16.572 \| good	34.21 \| good	0.293 \| good	5.271 \| good	0.278 \| good
2025-07-20T09:00:00.000Z	27 \| good	3.121 \| good	20.785 \| good	29.135 \| good	0.379 \| good	7.116 \| good	0.245 \| good
2025-07-20T10:00:00.000Z	22 \| good	4.159 \| good	13.121 \| good	22.803 \| good	0.455 \| good	9.696 \| good	0.464 \| good
2025-07-20T11:00:00.000Z	27 \| good	5.28 \| good	26.727 \| good	23.082 \| good	0.47 \| good	5.323 \| good	0.208 \| good
2025-07-20T12:00:00.000Z	22 \| good	4.212 \| good	20.58 \| good	17.348 \| good	0.374 \| good	0.873 \| good	0.208 \| good
2025-07-20T13:00:00.000Z	27 \| good	4.561 \| good	24.565 \| good	28.375 \| good	0.301 \| good	1.266 \| good	0.223 \| good
2025-07-20T14:00:00.000Z	22 \| good	4.485 \| good	17.232 \| good	19.977 \| good	0.22 \| good	2.281 \| good	0.263 \| good
2025-07-20T15:00:00.000Z	31 \| good	4.867 \| good	18.373 \| good	33.267 \| good	0.423 \| good	2.201 \| good	0.229 \| good
2025-07-20T16:00:00.000Z	33 \| good	4.054 \| good	16.033 \| good	36.387 \| good	0.406 \| good	2.585 \| good	0.228 \| good
2025-07-20T17:00:00.000Z	31 \| good	4.572 \| good	12.726 \| good	33.118 \| good	0.474 \| good	3.816 \| good	0.229 \| good
2025-07-20T18:00:00.000Z	28 \| good	4.647 \| good	24.871 \| good	29.628 \| good	0.511 \| good	1.684 \| good	0.245 \| good
2025-07-20T19:00:00.000Z	31 \| good	4.283 \| good	25.881 \| good	32.976 \| good	0.507 \| good	3.564 \| good	0.245 \| good
2025-07-20T20:00:00.000Z	33 \| good	5.133 \| good	20.363 \| good	35.741 \| good	0.517 \| good	1.549 \| good	0.213 \| good
2025-07-20T21:00:00.000Z	49 \| good	9.484 \| good	47.999 \| good	36.542 \| good	0.544 \| good	1.398 \| good	0.213 \| good
2025-07-20T22:00:00.000Z	38 \| good	6.662 \| good	31.326 \| good	36.562 \| good	0.44 \| good	2.759 \| good	0.258 \| good
2025-07-20T23:00:00.000Z	38 \| good	6.726 \| good	25.172 \| good	35.508 \| good	0.397 \| good	3.65 \| good	0.276 \| good
2025-07-21T00:00:00.000Z	44 \| good	7.522 \| good	44.556 \| good	34.691 \| good	0.397 \| good	3.528 \| good	0.328 \| good
2025-07-21T01:00:00.000Z	31 \| good	4.975 \| good	21.455 \| good	33.261 \| good	0.417 \| good	3.982 \| good	0.342 \| good
2025-07-21T02:00:00.000Z	38 \| good	6.566 \| good	30.295 \| good	34.236 \| good	0.477 \| good	4.871 \| good	0.342 \| good
2025-07-21T03:00:00.000Z	33 \| good	5.914 \| good	19.994 \| good	31.519 \| good	0.416 \| good	5.293 \| good	0.357 \| good
2025-07-21T04:00:00.000Z	30 \| good	5.078 \| good	18.77 \| good	31.821 \| good	0.375 \| good	4.319 \| good	0.248 \| good
2025-07-21T05:00:00.000Z	33 \| good	5.669 \| good	21.032 \| good	30.156 \| good	0.452 \| good	1.572 \| good	0.263 \| good
2025-07-21T06:00:00.000Z	33 \| good	6.076 \| good	30.542 \| good	33.636 \| good	0.518 \| good	3.171 \| good	0.245 \| good
2025-07-21T07:00:00.000Z	60 \| moderate	14.116 \| fine	58.229 \| fine	30.662 \| good	0.641 \| good	2.067 \| good	0.23 \| good
2025-07-21T08:00:00.000Z	99 \| moderate	29.054 \| fine	151.716 \| fine	24.671 \| good	0.428 \| good	3.064 \| good	0.2 \| good
2025-07-21T09:00:00.000Z	96 \| moderate	33.173 \| fine	144.313 \| fine	20.44 \| good	0.37 \| good	4.011 \| good	0.211 \| good
2025-07-21T10:00:00.000Z	122 \| sensitive	44.389 \| moderate	188.316 \| moderate	21.534 \| good	0.413 \| good	4.51 \| good	0.211 \| good
2025-07-21T11:00:00.000Z	127 \| sensitive	43.868 \| moderate	207.364 \| moderate	18.097 \| good	0.798 \| good	4.584 \| good	0.178 \| good
2025-07-21T12:00:00.000Z	113 \| sensitive	39.311 \| moderate	179.598 \| moderate	15.12 \| good	0.94 \| good	6.213 \| good	0.178 \| good
2025-07-21T13:00:00.000Z	54 \| moderate	11.194 \| good	47.477 \| good	13.73 \| good	1.157 \| good	7.296 \| good	0.177 \| good
2025-07-21T14:00:00.000Z	56 \| moderate	12.266 \| fine	44.714 \| good	19.777 \| good	0.898 \| good	4.51 \| good	0.159 \| good
2025-07-21T15:00:00.000Z	52 \| moderate	9.818 \| good	22.82 \| good	25.021 \| good	2.954 \| good	3.866 \| good	0.159 \| good
2025-07-21T16:00:00.000Z	44 \| good	7.714 \| good	31.119 \| good	29.116 \| good	3.143 \| good	2.257 \| good	0.144 \| good
2025-07-21T17:00:00.000Z	62 \| moderate	14.791 \| fine	70.96 \| fine	34.212 \| good	1.405 \| good	1.441 \| good	0.129 \| good
2025-07-21T18:00:00.000Z	49 \| good	8.66 \| good	39.755 \| good	30.753 \| good	1.233 \| good	1.55 \| good	0.167 \| good
2025-07-21T19:00:00.000Z	56 \| moderate	12.417 \| fine	49.208 \| good	42.072 \| good	1.666 \| good	1.576 \| good	0.168 \| good
2025-07-21T20:00:00.000Z	54 \| moderate	10.71 \| good	48.804 \| good	46.78 \| good	0.983 \| good	1.139 \| good	0.189 \| good
2025-07-21T21:00:00.000Z	58 \| moderate	13.001 \| fine	59.291 \| fine	48.913 \| good	2.431 \| good	1.299 \| good	0.192 \| good
2025-07-21T22:00:00.000Z	62 \| moderate	15.429 \| fine	63.298 \| fine	47.514 \| good	2.504 \| good	1.213 \| good	0.212 \| good
2025-07-21T23:00:00.000Z	84 \| moderate	26.86 \| fine	112.643 \| fine	51.19 \| good	1.464 \| good	1.043 \| good	0.222 \| good
2025-07-22T00:00:00.000Z	79 \| moderate	23.983 \| fine	101.412 \| fine	50.152 \| good	1.555 \| good	1.023 \| good	0.222 \| good
2025-07-20T23:00:00.000Z	52 \| moderate	9.521 \| good	42.995 \| good	45.104 \| good	1.482 \| good	4.207 \| good	0.182 \| good
2025-07-21T00:00:00.000Z	44 \| good	8.224 \| good	36.004 \| good	42.231 \| good	1.583 \| good	5.039 \| good	0.182 \| good
2025-07-21T01:00:00.000Z	52 \| moderate	9.781 \| good	43.009 \| good	38.685 \| good	1.624 \| good	5.9 \| good	0.182 \| good
2025-07-21T02:00:00.000Z	44 \| good	7.883 \| good	34.008 \| good	32.197 \| good	1.666 \| good	6.761 \| good	0.183 \| good
2025-07-21T03:00:00.000Z	38 \| good	6.865 \| good	30.004 \| good	27.885 \| good	1.708 \| good	7.622 \| good	0.183 \| good
2025-07-21T04:00:00.000Z	52 \| moderate	10.496 \| good	46 \| good	27.905 \| good	1.623 \| good	7.494 \| good	0.187 \| good
2025-07-21T05:00:00.000Z	62 \| moderate	14.789 \| fine	65.006 \| fine	28.419 \| good	1.539 \| good	7.367 \| good	0.192 \| good
2025-07-21T06:00:00.000Z	66 \| moderate	16.779 \| fine	74.989 \| fine	27.557 \| good	1.455 \| good	7.24 \| good	0.196 \| good
2025-07-21T07:00:00.000Z	66 \| moderate	16.841 \| fine	74.992 \| fine	26.104 \| good	1.373 \| good	6.703 \| good	0.203 \| good
2025-07-21T08:00:00.000Z	66 \| moderate	16.611 \| fine	73.014 \| fine	21.631 \| good	1.291 \| good	6.165 \| good	0.21 \| good
2025-07-21T09:00:00.000Z	66 \| moderate	17.283 \| fine	77 \| fine	16.081 \| good	1.209 \| good	5.628 \| good	0.217 \| good
2025-07-21T10:00:00.000Z	69 \| moderate	18.761 \| fine	83 \| fine	11.852 \| good	1.198 \| good	5.724 \| good	0.223 \| good
2025-07-21T11:00:00.000Z	64 \| moderate	15.68 \| fine	69.01 \| fine	10.672 \| good	1.188 \| good	5.82 \| good	0.229 \| good
2025-07-21T12:00:00.000Z	54 \| moderate	11.418 \| good	50.997 \| good	13.026 \| good	1.178 \| good	5.917 \| good	0.235 \| good
2025-07-21T13:00:00.000Z	49 \| good	9.477 \| good	41.998 \| good	13.565 \| good	1.365 \| good	5.489 \| good	0.234 \| good
2025-07-21T14:00:00.000Z	49 \| good	9.333 \| good	41.993 \| good	19.951 \| good	1.552 \| good	5.06 \| good	0.233 \| good
2025-07-21T15:00:00.000Z	52 \| moderate	9.502 \| good	42.994 \| good	34.192 \| good	1.739 \| good	4.632 \| good	0.232 \| good
2025-07-21T16:00:00.000Z	49 \| good	9.383 \| good	42 \| good	39.543 \| good	1.655 \| good	3.683 \| good	0.221 \| good
2025-07-21T17:00:00.000Z	49 \| good	8.758 \| good	38 \| good	40.902 \| good	1.572 \| good	2.733 \| good	0.211 \| good
2025-07-21T18:00:00.000Z	37 \| good	6.304 \| good	27.999 \| good	40.165 \| good	1.489 \| good	1.783 \| good	0.2 \| good
2025-07-21T19:00:00.000Z	37 \| good	5.472 \| good	23.004 \| good	39.991 \| good	1.397 \| good	1.815 \| good	0.197 \| good
2025-07-21T20:00:00.000Z	40 \| good	5.377 \| good	23.001 \| good	43.25 \| good	1.304 \| good	1.847 \| good	0.194 \| good
2025-07-21T21:00:00.000Z	42 \| good	6.697 \| good	29.993 \| good	45.301 \| good	1.212 \| good	1.879 \| good	0.191 \| good
2025-07-21T22:00:00.000Z	49 \| good	8.806 \| good	38.991 \| good	45.278 \| good	1.23 \| good	2.866 \| good	0.201 \| good
2025-07-21T23:00:00.000Z	52 \| moderate	9.742 \| good	42.999 \| good	42.474 \| good	1.248 \| good	3.852 \| good	0.21 \| good
2025-07-22T00:00:00.000Z	54 \| moderate	11.046 \| good	48.997 \| good	41.469 \| good	1.265 \| good	4.839 \| good	0.22 \| good
2025-07-22T01:00:00.000Z	54 \| moderate	10.8 \| good	47.998 \| good	39.719 \| good	1.301 \| good	5.616 \| good	0.229 \| good
2025-07-22T02:00:00.000Z	58 \| moderate	12.885 \| fine	57.009 \| fine	33.14 \| good	1.336 \| good	6.393 \| good	0.238 \| good
2025-07-22T03:00:00.000Z	60 \| moderate	14.389 \| fine	64.994 \| fine	29.974 \| good	1.371 \| good	7.17 \| good	0.247 \| good
2025-07-22T04:00:00.000Z	64 \| moderate	15.816 \| fine	70.989 \| fine	28.03 \| good	1.43 \| good	7.025 \| good	0.249 \| good
2025-07-22T05:00:00.000Z	66 \| moderate	17.496 \| fine	77.005 \| fine	24.748 \| good	1.489 \| good	6.88 \| good	0.25 \| good
2025-07-22T06:00:00.000Z	67 \| moderate	18.304 \| fine	80.998 \| fine	23.115 \| good	1.548 \| good	6.735 \| good	0.252 \| good
2025-07-22T07:00:00.000Z	71 \| moderate	19.59 \| fine	86.993 \| fine	22.753 \| good	1.593 \| good	6.704 \| good	0.253 \| good
2025-07-22T08:00:00.000Z	69 \| moderate	19.459 \| fine	85.009 \| fine	21.43 \| good	1.637 \| good	6.672 \| good	0.254 \| good
2025-07-22T09:00:00.000Z	67 \| moderate	17.56 \| fine	77.007 \| fine	20.37 \| good	1.682 \| good	6.641 \| good	0.256 \| good
2025-07-22T10:00:00.000Z	67 \| moderate	18.485 \| fine	81.012 \| fine	17.32 \| good	1.678 \| good	6.783 \| good	0.26 \| good
2025-07-22T11:00:00.000Z	62 \| moderate	15.36 \| fine	68.996 \| fine	16.131 \| good	1.673 \| good	6.925 \| good	0.263 \| good
2025-07-22T12:00:00.000Z	60 \| moderate	13.569 \| fine	61 \| fine	20.132 \| good	1.668 \| good	7.067 \| good	0.267 \| good
2025-07-22T13:00:00.000Z	58 \| moderate	12.83 \| fine	57.006 \| fine	27.995 \| good	1.783 \| good	6.476 \| good	0.268 \| good
2025-07-22T14:00:00.000Z	60 \| moderate	13.588 \| fine	61.002 \| fine	35.16 \| good	1.897 \| good	5.885 \| good	0.268 \| good
2025-07-22T15:00:00.000Z	60 \| moderate	14.021 \| fine	63 \| fine	39.703 \| good	2.012 \| good	5.294 \| good	0.269 \| good
2025-07-22T16:00:00.000Z	60 \| moderate	14.351 \| fine	64.994 \| fine	43.776 \| good	1.982 \| good	4.113 \| good	0.254 \| good
2025-07-22T17:00:00.000Z	60 \| moderate	14.333 \| fine	64.99 \| fine	43.458 \| good	1.951 \| good	2.932 \| good	0.239 \| good
2025-07-22T18:00:00.000Z	58 \| moderate	13.111 \| fine	59 \| fine	43.484 \| good	1.921 \| good	1.751 \| good	0.224 \| good
2025-07-22T19:00:00.000Z	58 \| moderate	13.068 \| fine	58.994 \| fine	43.142 \| good	1.792 \| good	1.69 \| good	0.217 \| good
2025-07-22T20:00:00.000Z	58 \| moderate	13.337 \| fine	60.984 \| fine	47.484 \| good	1.662 \| good	1.629 \| good	0.21 \| good
2025-07-22T21:00:00.000Z	58 \| moderate	13.332 \| fine	60.989 \| fine	50.377 \| good	1.533 \| good	1.569 \| good	0.204 \| good
2025-07-22T22:00:00.000Z	58 \| moderate	13.092 \| fine	58.998 \| fine	50.902 \| good	1.423 \| good	2.305 \| good	0.204 \| good

Current air quality index in Frankfort, Illinois today

Common air pollutants in Frankfort, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Frankfort, Illinois air quality forecast and history

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Real-time air quality map: Monitor AQI near Frankfort, Illinois

Air quality in nearby cities

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Tinley Park, Illinois

New Lenox, Illinois

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Frequently asked questions

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What is the air quality in Frankfort, Illinois right now?

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What is the PM2.5 concentration in Frankfort, Illinois right now?

What is the current level of PM10 in Frankfort, Illinois?

What is the current level of carbon monoxide (CO) in Frankfort, Illinois?

What is the current level of sulfur dioxide (SO2) in Frankfort, Illinois?

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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 Frankfort, Illinois right now?

What is the current level of PM₁₀ in Frankfort, Illinois?

What is the current level of sulfur dioxide (SO₂) in Frankfort, Illinois?

What is the current level of ozone (O₃) in Frankfort, Illinois?

What is the current level of nitrogen dioxide (NO₂) in Frankfort, Illinois?