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

Charleston, Illinois currently has a PM10 concentration of 35.408 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Charleston, Illinois is 1.624 ppb.

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

Charleston, Illinois currently has an ozone (O3) concentration of 50.484 ppm.

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

The current level of nitrogen dioxide (NO2) in Charleston, Illinois is 4.126 ppb.

Current air quality index in Charleston, Illinois today

Q: What is the PM2.5 concentration in Charleston, Illinois right now?

Charleston, Illinois currently has a PM2.5 concentration of 8.004 μg/m3.

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

Good

Charleston, Illinois

Last updated: ... (Local time)

Common air pollutants in Charleston, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

8.00 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

35.41 μg/m³

155

255

425

605+

Ozone (O₃)

50.48 ppb

201

201+

Sulfur Dioxide (SO₂)

1.62 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.13 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.15 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

Charleston, Illinois

Get Live Pollen Counts

Charleston, Illinois

Scroll To Air Quality Map

Track live Charleston, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T22:00:00.000Z	45 \| good	3.866 \| good	20.316 \| good	48.756 \| good	1.276 \| good	3.985 \| good	0.152 \| good
2026-10-20T23:00:00.000Z	44 \| good	6.374 \| good	32.22 \| good	47.626 \| good	1.044 \| good	4.193 \| good	0.165 \| good
2026-10-21T00:00:00.000Z	43 \| good	5.939 \| good	22.973 \| good	45.822 \| good	1.095 \| good	10.073 \| good	0.232 \| good
2026-10-21T01:00:00.000Z	44 \| good	8.498 \| good	37.024 \| good	44.101 \| good	1.105 \| good	18.094 \| good	0.357 \| good
2026-10-21T02:00:00.000Z	44 \| good	7.699 \| good	28.393 \| good	40.656 \| good	1.028 \| good	17.045 \| good	0.363 \| good
2026-10-21T03:00:00.000Z	60 \| moderate	13.916 \| fine	62.403 \| fine	21.573 \| good	1.135 \| good	14.52 \| good	0.259 \| good
2026-10-21T04:00:00.000Z	52 \| moderate	10.411 \| good	36.938 \| good	30.133 \| good	0.831 \| good	25.934 \| good	0.315 \| good
2026-10-21T05:00:00.000Z	49 \| good	8.933 \| good	39.62 \| good	20.737 \| good	0.874 \| good	25.578 \| good	0.355 \| good
2026-10-21T06:00:00.000Z	38 \| good	7.267 \| good	29.613 \| good	26.29 \| good	0.796 \| good	27.764 \| good	0.393 \| good
2026-10-21T07:00:00.000Z	49 \| good	9 \| good	46.643 \| good	19.31 \| good	0.753 \| good	26.329 \| good	0.413 \| good
2026-10-21T08:00:00.000Z	49 \| good	8.801 \| good	34.124 \| good	26.839 \| good	0.775 \| good	24.115 \| good	0.413 \| good
2026-10-21T09:00:00.000Z	52 \| moderate	9.525 \| good	38.552 \| good	18.213 \| good	0.788 \| good	21.682 \| good	0.385 \| good
2026-10-21T10:00:00.000Z	52 \| moderate	10.45 \| good	43.054 \| good	16.223 \| good	0.803 \| good	21.882 \| good	0.358 \| good
2026-10-21T11:00:00.000Z	52 \| moderate	9.985 \| good	40.855 \| good	23.417 \| good	0.865 \| good	19.852 \| good	0.345 \| good
2026-10-21T12:00:00.000Z	33 \| good	5.623 \| good	27.473 \| good	25.288 \| good	0.866 \| good	16.08 \| good	0.388 \| good
2026-10-21T13:00:00.000Z	52 \| moderate	6.929 \| good	57.433 \| fine	20.329 \| good	0.859 \| good	16.868 \| good	0.415 \| good
2026-10-21T14:00:00.000Z	49 \| good	9.182 \| good	40.539 \| good	15.1 \| good	1.43 \| good	15.477 \| good	0.768 \| good
2026-10-21T15:00:00.000Z	52 \| moderate	10.387 \| good	40.493 \| good	15.955 \| good	1.151 \| good	12.642 \| good	0.375 \| good
2026-10-21T16:00:00.000Z	49 \| good	9.26 \| good	38.809 \| good	18.781 \| good	2.588 \| good	14.753 \| good	0.308 \| good
2026-10-21T17:00:00.000Z	33 \| good	5.798 \| good	26.655 \| good	23.606 \| good	2.822 \| good	13.39 \| good	0.26 \| good
2026-10-21T18:00:00.000Z	35 \| good	5.983 \| good	30.354 \| good	37.744 \| good	3.456 \| good	11.445 \| good	0.229 \| good
2026-10-21T19:00:00.000Z	43 \| good	5.088 \| good	24.328 \| good	45.524 \| good	3.184 \| good	8.333 \| good	0.211 \| good
2026-10-21T20:00:00.000Z	48 \| good	4.708 \| good	27.093 \| good	51.509 \| good	1.743 \| good	4.625 \| good	0.199 \| good
2026-10-21T21:00:00.000Z	49 \| good	4.807 \| good	23.407 \| good	52.853 \| good	1.485 \| good	3.87 \| good	0.173 \| good
2026-10-21T22:00:00.000Z	50 \| good	5.155 \| good	19.311 \| good	54.279 \| good	1.451 \| good	3.684 \| good	0.172 \| good
2026-10-21T23:00:00.000Z	50 \| good	4.529 \| good	21.224 \| good	53.779 \| good	1.405 \| good	4.318 \| good	0.182 \| good
2026-10-22T00:00:00.000Z	44 \| good	4.565 \| good	28.132 \| good	47.974 \| good	1.312 \| good	13.817 \| good	0.205 \| good
2026-10-22T01:00:00.000Z	44 \| good	6.276 \| good	42.13 \| good	48.169 \| good	1.219 \| good	18.304 \| good	0.34 \| good
2026-10-22T02:00:00.000Z	37 \| good	6.199 \| good	34.194 \| good	39.543 \| good	0.985 \| good	22.145 \| good	0.362 \| good
2026-10-22T03:00:00.000Z	52 \| moderate	10.478 \| good	46.285 \| good	22.975 \| good	0.991 \| good	16.584 \| good	0.289 \| good
2026-10-22T04:00:00.000Z	37 \| good	6.326 \| good	40.132 \| good	21.73 \| good	1.043 \| good	27.25 \| good	0.495 \| good
2026-10-22T05:00:00.000Z	44 \| good	7.96 \| good	36.168 \| good	28.494 \| good	1.002 \| good	26.79 \| good	0.467 \| good
2026-10-22T06:00:00.000Z	52 \| moderate	10.465 \| good	57.554 \| fine	18.122 \| good	0.954 \| good	24.038 \| good	0.674 \| good
2026-10-22T07:00:00.000Z	56 \| moderate	11.303 \| good	65.277 \| fine	18.152 \| good	0.987 \| good	21.152 \| good	0.705 \| good
2026-10-22T08:00:00.000Z	52 \| moderate	9.63 \| good	57.867 \| fine	20.305 \| good	0.941 \| good	20.561 \| good	0.387 \| good
2026-10-22T09:00:00.000Z	49 \| good	8.993 \| good	52.883 \| good	18.349 \| good	0.862 \| good	18.531 \| good	0.376 \| good
2026-10-22T10:00:00.000Z	45 \| good	6.617 \| good	49.266 \| good	14.329 \| good	0.785 \| good	17.343 \| good	0.323 \| good
2026-10-22T11:00:00.000Z	53 \| moderate	8.986 \| good	59.567 \| fine	22.388 \| good	1.242 \| good	15.619 \| good	0.551 \| good
2026-10-22T12:00:00.000Z	33 \| good	6.423 \| good	28.51 \| good	13.599 \| good	1.222 \| good	13.795 \| good	0.646 \| good
2026-10-22T13:00:00.000Z	38 \| good	6.543 \| good	31.431 \| good	11.632 \| good	1.253 \| good	18.003 \| good	0.418 \| good
2026-10-22T14:00:00.000Z	38 \| good	6.813 \| good	34.265 \| good	9.62 \| good	0.89 \| good	15.729 \| good	0.452 \| good
2026-10-22T15:00:00.000Z	52 \| moderate	8.916 \| good	57.716 \| fine	14.446 \| good	1.344 \| good	13.067 \| good	0.629 \| good
2026-10-22T16:00:00.000Z	52 \| moderate	9.732 \| good	46.25 \| good	21.543 \| good	1.698 \| good	12.391 \| good	0.341 \| good
2026-10-22T17:00:00.000Z	52 \| moderate	9.651 \| good	52.987 \| good	30.283 \| good	1.506 \| good	10.001 \| good	0.281 \| good
2026-10-22T18:00:00.000Z	44 \| good	8.035 \| good	38.186 \| good	40.215 \| good	1.096 \| good	7.63 \| good	0.251 \| good
2026-10-22T19:00:00.000Z	52 \| moderate	9.529 \| good	42.542 \| good	47.641 \| good	1.79 \| good	5.552 \| good	0.217 \| good
2026-10-22T20:00:00.000Z	46 \| good	8.004 \| good	35.408 \| good	50.484 \| good	1.624 \| good	4.126 \| good	0.152 \| good
2026-10-22T21:00:00.000Z	46 \| good	8.004 \| good	35.408 \| good	50.484 \| good	1.624 \| good	4.126 \| good	0.152 \| good
2026-10-22T22:00:00.000Z	45 \| good	5.269 \| good	22.946 \| good	48.595 \| good	0.978 \| good	1.048 \| good	0.162 \| good
2026-10-22T23:00:00.000Z	38 \| good	6.586 \| good	29.236 \| good	38.538 \| good	0.924 \| good	4.034 \| good	0.191 \| good
2026-10-23T00:00:00.000Z	49 \| good	9.358 \| good	41.695 \| good	33.094 \| good	0.944 \| good	7.132 \| good	0.224 \| good
2026-10-23T01:00:00.000Z	49 \| good	9.416 \| good	42.212 \| good	26.432 \| good	0.945 \| good	8.508 \| good	0.239 \| good
2026-10-23T02:00:00.000Z	54 \| moderate	10.677 \| good	47.265 \| good	23.406 \| good	0.941 \| good	8.122 \| good	0.237 \| good
2026-10-23T03:00:00.000Z	56 \| moderate	12.192 \| fine	54.32 \| good	20.853 \| good	0.938 \| good	7.434 \| good	0.231 \| good
2026-10-23T04:00:00.000Z	52 \| moderate	9.854 \| good	43.786 \| good	18.409 \| good	0.936 \| good	7.085 \| good	0.227 \| good
2026-10-23T05:00:00.000Z	52 \| moderate	9.967 \| good	44.525 \| good	16.149 \| good	0.935 \| good	6.902 \| good	0.225 \| good
2026-10-23T06:00:00.000Z	52 \| moderate	10.004 \| good	44.313 \| good	14.919 \| good	0.947 \| good	6.756 \| good	0.223 \| good
2026-10-23T07:00:00.000Z	52 \| moderate	9.746 \| good	43.305 \| good	14.853 \| good	0.983 \| good	6.643 \| good	0.22 \| good
2026-10-23T08:00:00.000Z	52 \| moderate	9.566 \| good	42.767 \| good	14.645 \| good	1.041 \| good	6.65 \| good	0.218 \| good
2026-10-23T09:00:00.000Z	52 \| moderate	9.826 \| good	43.817 \| good	14.252 \| good	1.105 \| good	6.763 \| good	0.218 \| good
2026-10-23T10:00:00.000Z	52 \| moderate	9.826 \| good	43.817 \| good	14.415 \| good	1.167 \| good	6.931 \| good	0.219 \| good
2026-10-23T11:00:00.000Z	49 \| good	8.841 \| good	38.781 \| good	13.118 \| good	1.205 \| good	7.242 \| good	0.222 \| good
2026-10-23T12:00:00.000Z	44 \| good	7.78 \| good	33.909 \| good	13.169 \| good	1.215 \| good	7.815 \| good	0.228 \| good
2026-10-23T13:00:00.000Z	38 \| good	6.674 \| good	29.808 \| good	18.118 \| good	1.181 \| good	7.855 \| good	0.24 \| good
2026-10-23T14:00:00.000Z	44 \| good	8.457 \| good	37.002 \| good	27.772 \| good	1.136 \| good	6.042 \| good	0.243 \| good
2026-10-23T15:00:00.000Z	52 \| moderate	9.772 \| good	43.532 \| good	36.452 \| good	1.229 \| good	4.527 \| good	0.231 \| good
2026-10-23T16:00:00.000Z	54 \| moderate	10.6 \| good	46.797 \| good	43.279 \| good	1.441 \| good	2.926 \| good	0.213 \| good
2026-10-23T17:00:00.000Z	49 \| good	9.347 \| good	41.758 \| good	47.8 \| good	1.546 \| good	1.474 \| good	0.192 \| good
2026-10-23T18:00:00.000Z	46 \| good	8.183 \| good	35.835 \| good	49.674 \| good	1.384 \| good	0.875 \| good	0.182 \| good
2026-10-23T19:00:00.000Z	48 \| good	8.292 \| good	36.473 \| good	51.541 \| good	1.283 \| good	0.709 \| good	0.179 \| good
2026-10-23T20:00:00.000Z	49 \| good	7.184 \| good	31.971 \| good	53.351 \| good	1.219 \| good	0.671 \| good	0.178 \| good
2026-10-23T21:00:00.000Z	50 \| good	6.89 \| good	30.509 \| good	53.765 \| good	1.161 \| good	0.717 \| good	0.178 \| good
2026-10-23T22:00:00.000Z	44 \| good	7.478 \| good	32.824 \| good	47.756 \| good	1.125 \| good	0.975 \| good	0.179 \| good
2026-10-23T23:00:00.000Z	49 \| good	8.831 \| good	39.005 \| good	37.641 \| good	1.016 \| good	3.058 \| good	0.2 \| good
2026-10-24T00:00:00.000Z	54 \| moderate	11.383 \| good	50.295 \| good	32.046 \| good	0.97 \| good	4.932 \| good	0.22 \| good
2026-10-24T01:00:00.000Z	54 \| moderate	10.821 \| good	48.027 \| good	26.496 \| good	0.946 \| good	5.361 \| good	0.224 \| good
2026-10-24T02:00:00.000Z	56 \| moderate	11.616 \| good	51.511 \| good	26.04 \| good	0.931 \| good	5.691 \| good	0.226 \| good
2026-10-24T03:00:00.000Z	58 \| moderate	13.399 \| fine	60.384 \| fine	24.851 \| good	0.919 \| good	6.014 \| good	0.228 \| good
2026-10-24T04:00:00.000Z	54 \| moderate	11.05 \| good	48.695 \| good	22.22 \| good	0.9 \| good	6.14 \| good	0.229 \| good
2026-10-24T05:00:00.000Z	54 \| moderate	11.187 \| good	49.523 \| good	19.038 \| good	0.862 \| good	5.938 \| good	0.227 \| good
2026-10-24T06:00:00.000Z	54 \| moderate	11.258 \| good	49.588 \| good	16.549 \| good	0.808 \| good	5.466 \| good	0.221 \| good
2026-10-24T07:00:00.000Z	54 \| moderate	10.912 \| good	48.259 \| good	15.743 \| good	0.759 \| good	4.939 \| good	0.214 \| good
2026-10-24T08:00:00.000Z	54 \| moderate	10.702 \| good	47.185 \| good	15.196 \| good	0.728 \| good	4.521 \| good	0.208 \| good
2026-10-24T09:00:00.000Z	54 \| moderate	11.142 \| good	49.197 \| good	13.252 \| good	0.72 \| good	4.311 \| good	0.205 \| good
2026-10-24T10:00:00.000Z	56 \| moderate	12.341 \| fine	55.589 \| fine	12.203 \| good	0.729 \| good	4.28 \| good	0.204 \| good
2026-10-24T11:00:00.000Z	56 \| moderate	12.127 \| fine	54.427 \| good	12.479 \| good	0.748 \| good	4.382 \| good	0.205 \| good
2026-10-24T12:00:00.000Z	56 \| moderate	11.572 \| good	51.177 \| good	11.875 \| good	0.773 \| good	4.711 \| good	0.209 \| good
2026-10-24T13:00:00.000Z	52 \| moderate	10.21 \| good	45.259 \| good	14.925 \| good	0.786 \| good	4.924 \| good	0.217 \| good
2026-10-24T14:00:00.000Z	54 \| moderate	11.355 \| good	50.253 \| good	24.111 \| good	0.831 \| good	3.836 \| good	0.218 \| good
2026-10-24T15:00:00.000Z	56 \| moderate	12.321 \| fine	55.749 \| fine	32.744 \| good	0.96 \| good	2.86 \| good	0.211 \| good
2026-10-24T16:00:00.000Z	56 \| moderate	12.176 \| fine	54.798 \| good	41.858 \| good	1.096 \| good	2.039 \| good	0.199 \| good
2026-10-24T17:00:00.000Z	54 \| moderate	10.796 \| good	47.894 \| good	47.705 \| good	1.188 \| good	1.255 \| good	0.183 \| good
2026-10-24T18:00:00.000Z	52 \| moderate	9.674 \| good	43.23 \| good	51.075 \| good	1.137 \| good	0.8 \| good	0.171 \| good
2026-10-24T19:00:00.000Z	52 \| moderate	9.873 \| good	43.702 \| good	53.112 \| good	1.037 \| good	0.675 \| good	0.166 \| good
2026-10-24T20:00:00.000Z	50 \| good	8.779 \| good	38.465 \| good	54.164 \| good	0.971 \| good	0.671 \| good	0.164 \| good
2026-10-24T21:00:00.000Z	50 \| good	7.961 \| good	34.702 \| good	54.144 \| good	0.939 \| good	0.761 \| good	0.164 \| good

Charleston

Empower business decisions with accurate air quality data

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

0.15ppm

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

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Frequently asked questions

How frequently does the air quality data for Charleston, Illinois get updated?

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

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

Charleston, Illinois experienced its worst air quality at 07:00:00, 2026-10-22.

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

The best air quality in Charleston, Illinois was observed at 12:00:00 on 2026-10-22.

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

The air quality in Charleston, Illinois right now is Good, with an AQI of 46.

What pollutant is most frequently found in Charleston, Illinois?

In Charleston, Illinois, O3 is the most frequently found pollutant.

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

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

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

Charleston, Illinois currently has a PM_2.5 concentration of 8.004 μg/m³.

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

Charleston, Illinois currently has a PM₁₀ concentration of 35.408 μg/m³.

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

The current carbon monoxide (CO) level in Charleston, Illinois is 0.152 ppm.

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

The current sulfur dioxide (SO₂) concentration in Charleston, Illinois is 1.624 ppb.

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

Charleston, Illinois currently has an ozone (O₃) concentration of 50.484 ppm.

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

The current level of nitrogen dioxide (NO₂) in Charleston, Illinois is 4.126 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T22:00:00.000Z	45 \| good	3.866 \| good	20.316 \| good	48.756 \| good	1.276 \| good	3.985 \| good	0.152 \| good
2026-10-20T23:00:00.000Z	44 \| good	6.374 \| good	32.22 \| good	47.626 \| good	1.044 \| good	4.193 \| good	0.165 \| good
2026-10-21T00:00:00.000Z	43 \| good	5.939 \| good	22.973 \| good	45.822 \| good	1.095 \| good	10.073 \| good	0.232 \| good
2026-10-21T01:00:00.000Z	44 \| good	8.498 \| good	37.024 \| good	44.101 \| good	1.105 \| good	18.094 \| good	0.357 \| good
2026-10-21T02:00:00.000Z	44 \| good	7.699 \| good	28.393 \| good	40.656 \| good	1.028 \| good	17.045 \| good	0.363 \| good
2026-10-21T03:00:00.000Z	60 \| moderate	13.916 \| fine	62.403 \| fine	21.573 \| good	1.135 \| good	14.52 \| good	0.259 \| good
2026-10-21T04:00:00.000Z	52 \| moderate	10.411 \| good	36.938 \| good	30.133 \| good	0.831 \| good	25.934 \| good	0.315 \| good
2026-10-21T05:00:00.000Z	49 \| good	8.933 \| good	39.62 \| good	20.737 \| good	0.874 \| good	25.578 \| good	0.355 \| good
2026-10-21T06:00:00.000Z	38 \| good	7.267 \| good	29.613 \| good	26.29 \| good	0.796 \| good	27.764 \| good	0.393 \| good
2026-10-21T07:00:00.000Z	49 \| good	9 \| good	46.643 \| good	19.31 \| good	0.753 \| good	26.329 \| good	0.413 \| good
2026-10-21T08:00:00.000Z	49 \| good	8.801 \| good	34.124 \| good	26.839 \| good	0.775 \| good	24.115 \| good	0.413 \| good
2026-10-21T09:00:00.000Z	52 \| moderate	9.525 \| good	38.552 \| good	18.213 \| good	0.788 \| good	21.682 \| good	0.385 \| good
2026-10-21T10:00:00.000Z	52 \| moderate	10.45 \| good	43.054 \| good	16.223 \| good	0.803 \| good	21.882 \| good	0.358 \| good
2026-10-21T11:00:00.000Z	52 \| moderate	9.985 \| good	40.855 \| good	23.417 \| good	0.865 \| good	19.852 \| good	0.345 \| good
2026-10-21T12:00:00.000Z	33 \| good	5.623 \| good	27.473 \| good	25.288 \| good	0.866 \| good	16.08 \| good	0.388 \| good
2026-10-21T13:00:00.000Z	52 \| moderate	6.929 \| good	57.433 \| fine	20.329 \| good	0.859 \| good	16.868 \| good	0.415 \| good
2026-10-21T14:00:00.000Z	49 \| good	9.182 \| good	40.539 \| good	15.1 \| good	1.43 \| good	15.477 \| good	0.768 \| good
2026-10-21T15:00:00.000Z	52 \| moderate	10.387 \| good	40.493 \| good	15.955 \| good	1.151 \| good	12.642 \| good	0.375 \| good
2026-10-21T16:00:00.000Z	49 \| good	9.26 \| good	38.809 \| good	18.781 \| good	2.588 \| good	14.753 \| good	0.308 \| good
2026-10-21T17:00:00.000Z	33 \| good	5.798 \| good	26.655 \| good	23.606 \| good	2.822 \| good	13.39 \| good	0.26 \| good
2026-10-21T18:00:00.000Z	35 \| good	5.983 \| good	30.354 \| good	37.744 \| good	3.456 \| good	11.445 \| good	0.229 \| good
2026-10-21T19:00:00.000Z	43 \| good	5.088 \| good	24.328 \| good	45.524 \| good	3.184 \| good	8.333 \| good	0.211 \| good
2026-10-21T20:00:00.000Z	48 \| good	4.708 \| good	27.093 \| good	51.509 \| good	1.743 \| good	4.625 \| good	0.199 \| good
2026-10-21T21:00:00.000Z	49 \| good	4.807 \| good	23.407 \| good	52.853 \| good	1.485 \| good	3.87 \| good	0.173 \| good
2026-10-21T22:00:00.000Z	50 \| good	5.155 \| good	19.311 \| good	54.279 \| good	1.451 \| good	3.684 \| good	0.172 \| good
2026-10-21T23:00:00.000Z	50 \| good	4.529 \| good	21.224 \| good	53.779 \| good	1.405 \| good	4.318 \| good	0.182 \| good
2026-10-22T00:00:00.000Z	44 \| good	4.565 \| good	28.132 \| good	47.974 \| good	1.312 \| good	13.817 \| good	0.205 \| good
2026-10-22T01:00:00.000Z	44 \| good	6.276 \| good	42.13 \| good	48.169 \| good	1.219 \| good	18.304 \| good	0.34 \| good
2026-10-22T02:00:00.000Z	37 \| good	6.199 \| good	34.194 \| good	39.543 \| good	0.985 \| good	22.145 \| good	0.362 \| good
2026-10-22T03:00:00.000Z	52 \| moderate	10.478 \| good	46.285 \| good	22.975 \| good	0.991 \| good	16.584 \| good	0.289 \| good
2026-10-22T04:00:00.000Z	37 \| good	6.326 \| good	40.132 \| good	21.73 \| good	1.043 \| good	27.25 \| good	0.495 \| good
2026-10-22T05:00:00.000Z	44 \| good	7.96 \| good	36.168 \| good	28.494 \| good	1.002 \| good	26.79 \| good	0.467 \| good
2026-10-22T06:00:00.000Z	52 \| moderate	10.465 \| good	57.554 \| fine	18.122 \| good	0.954 \| good	24.038 \| good	0.674 \| good
2026-10-22T07:00:00.000Z	56 \| moderate	11.303 \| good	65.277 \| fine	18.152 \| good	0.987 \| good	21.152 \| good	0.705 \| good
2026-10-22T08:00:00.000Z	52 \| moderate	9.63 \| good	57.867 \| fine	20.305 \| good	0.941 \| good	20.561 \| good	0.387 \| good
2026-10-22T09:00:00.000Z	49 \| good	8.993 \| good	52.883 \| good	18.349 \| good	0.862 \| good	18.531 \| good	0.376 \| good
2026-10-22T10:00:00.000Z	45 \| good	6.617 \| good	49.266 \| good	14.329 \| good	0.785 \| good	17.343 \| good	0.323 \| good
2026-10-22T11:00:00.000Z	53 \| moderate	8.986 \| good	59.567 \| fine	22.388 \| good	1.242 \| good	15.619 \| good	0.551 \| good
2026-10-22T12:00:00.000Z	33 \| good	6.423 \| good	28.51 \| good	13.599 \| good	1.222 \| good	13.795 \| good	0.646 \| good
2026-10-22T13:00:00.000Z	38 \| good	6.543 \| good	31.431 \| good	11.632 \| good	1.253 \| good	18.003 \| good	0.418 \| good
2026-10-22T14:00:00.000Z	38 \| good	6.813 \| good	34.265 \| good	9.62 \| good	0.89 \| good	15.729 \| good	0.452 \| good
2026-10-22T15:00:00.000Z	52 \| moderate	8.916 \| good	57.716 \| fine	14.446 \| good	1.344 \| good	13.067 \| good	0.629 \| good
2026-10-22T16:00:00.000Z	52 \| moderate	9.732 \| good	46.25 \| good	21.543 \| good	1.698 \| good	12.391 \| good	0.341 \| good
2026-10-22T17:00:00.000Z	52 \| moderate	9.651 \| good	52.987 \| good	30.283 \| good	1.506 \| good	10.001 \| good	0.281 \| good
2026-10-22T18:00:00.000Z	44 \| good	8.035 \| good	38.186 \| good	40.215 \| good	1.096 \| good	7.63 \| good	0.251 \| good
2026-10-22T19:00:00.000Z	52 \| moderate	9.529 \| good	42.542 \| good	47.641 \| good	1.79 \| good	5.552 \| good	0.217 \| good
2026-10-22T20:00:00.000Z	46 \| good	8.004 \| good	35.408 \| good	50.484 \| good	1.624 \| good	4.126 \| good	0.152 \| good
2026-10-22T21:00:00.000Z	46 \| good	8.004 \| good	35.408 \| good	50.484 \| good	1.624 \| good	4.126 \| good	0.152 \| good
2026-10-22T22:00:00.000Z	45 \| good	5.269 \| good	22.946 \| good	48.595 \| good	0.978 \| good	1.048 \| good	0.162 \| good
2026-10-22T23:00:00.000Z	38 \| good	6.586 \| good	29.236 \| good	38.538 \| good	0.924 \| good	4.034 \| good	0.191 \| good
2026-10-23T00:00:00.000Z	49 \| good	9.358 \| good	41.695 \| good	33.094 \| good	0.944 \| good	7.132 \| good	0.224 \| good
2026-10-23T01:00:00.000Z	49 \| good	9.416 \| good	42.212 \| good	26.432 \| good	0.945 \| good	8.508 \| good	0.239 \| good
2026-10-23T02:00:00.000Z	54 \| moderate	10.677 \| good	47.265 \| good	23.406 \| good	0.941 \| good	8.122 \| good	0.237 \| good
2026-10-23T03:00:00.000Z	56 \| moderate	12.192 \| fine	54.32 \| good	20.853 \| good	0.938 \| good	7.434 \| good	0.231 \| good
2026-10-23T04:00:00.000Z	52 \| moderate	9.854 \| good	43.786 \| good	18.409 \| good	0.936 \| good	7.085 \| good	0.227 \| good
2026-10-23T05:00:00.000Z	52 \| moderate	9.967 \| good	44.525 \| good	16.149 \| good	0.935 \| good	6.902 \| good	0.225 \| good
2026-10-23T06:00:00.000Z	52 \| moderate	10.004 \| good	44.313 \| good	14.919 \| good	0.947 \| good	6.756 \| good	0.223 \| good
2026-10-23T07:00:00.000Z	52 \| moderate	9.746 \| good	43.305 \| good	14.853 \| good	0.983 \| good	6.643 \| good	0.22 \| good
2026-10-23T08:00:00.000Z	52 \| moderate	9.566 \| good	42.767 \| good	14.645 \| good	1.041 \| good	6.65 \| good	0.218 \| good
2026-10-23T09:00:00.000Z	52 \| moderate	9.826 \| good	43.817 \| good	14.252 \| good	1.105 \| good	6.763 \| good	0.218 \| good
2026-10-23T10:00:00.000Z	52 \| moderate	9.826 \| good	43.817 \| good	14.415 \| good	1.167 \| good	6.931 \| good	0.219 \| good
2026-10-23T11:00:00.000Z	49 \| good	8.841 \| good	38.781 \| good	13.118 \| good	1.205 \| good	7.242 \| good	0.222 \| good
2026-10-23T12:00:00.000Z	44 \| good	7.78 \| good	33.909 \| good	13.169 \| good	1.215 \| good	7.815 \| good	0.228 \| good
2026-10-23T13:00:00.000Z	38 \| good	6.674 \| good	29.808 \| good	18.118 \| good	1.181 \| good	7.855 \| good	0.24 \| good
2026-10-23T14:00:00.000Z	44 \| good	8.457 \| good	37.002 \| good	27.772 \| good	1.136 \| good	6.042 \| good	0.243 \| good
2026-10-23T15:00:00.000Z	52 \| moderate	9.772 \| good	43.532 \| good	36.452 \| good	1.229 \| good	4.527 \| good	0.231 \| good
2026-10-23T16:00:00.000Z	54 \| moderate	10.6 \| good	46.797 \| good	43.279 \| good	1.441 \| good	2.926 \| good	0.213 \| good
2026-10-23T17:00:00.000Z	49 \| good	9.347 \| good	41.758 \| good	47.8 \| good	1.546 \| good	1.474 \| good	0.192 \| good
2026-10-23T18:00:00.000Z	46 \| good	8.183 \| good	35.835 \| good	49.674 \| good	1.384 \| good	0.875 \| good	0.182 \| good
2026-10-23T19:00:00.000Z	48 \| good	8.292 \| good	36.473 \| good	51.541 \| good	1.283 \| good	0.709 \| good	0.179 \| good
2026-10-23T20:00:00.000Z	49 \| good	7.184 \| good	31.971 \| good	53.351 \| good	1.219 \| good	0.671 \| good	0.178 \| good
2026-10-23T21:00:00.000Z	50 \| good	6.89 \| good	30.509 \| good	53.765 \| good	1.161 \| good	0.717 \| good	0.178 \| good
2026-10-23T22:00:00.000Z	44 \| good	7.478 \| good	32.824 \| good	47.756 \| good	1.125 \| good	0.975 \| good	0.179 \| good
2026-10-23T23:00:00.000Z	49 \| good	8.831 \| good	39.005 \| good	37.641 \| good	1.016 \| good	3.058 \| good	0.2 \| good
2026-10-24T00:00:00.000Z	54 \| moderate	11.383 \| good	50.295 \| good	32.046 \| good	0.97 \| good	4.932 \| good	0.22 \| good
2026-10-24T01:00:00.000Z	54 \| moderate	10.821 \| good	48.027 \| good	26.496 \| good	0.946 \| good	5.361 \| good	0.224 \| good
2026-10-24T02:00:00.000Z	56 \| moderate	11.616 \| good	51.511 \| good	26.04 \| good	0.931 \| good	5.691 \| good	0.226 \| good
2026-10-24T03:00:00.000Z	58 \| moderate	13.399 \| fine	60.384 \| fine	24.851 \| good	0.919 \| good	6.014 \| good	0.228 \| good
2026-10-24T04:00:00.000Z	54 \| moderate	11.05 \| good	48.695 \| good	22.22 \| good	0.9 \| good	6.14 \| good	0.229 \| good
2026-10-24T05:00:00.000Z	54 \| moderate	11.187 \| good	49.523 \| good	19.038 \| good	0.862 \| good	5.938 \| good	0.227 \| good
2026-10-24T06:00:00.000Z	54 \| moderate	11.258 \| good	49.588 \| good	16.549 \| good	0.808 \| good	5.466 \| good	0.221 \| good
2026-10-24T07:00:00.000Z	54 \| moderate	10.912 \| good	48.259 \| good	15.743 \| good	0.759 \| good	4.939 \| good	0.214 \| good
2026-10-24T08:00:00.000Z	54 \| moderate	10.702 \| good	47.185 \| good	15.196 \| good	0.728 \| good	4.521 \| good	0.208 \| good
2026-10-24T09:00:00.000Z	54 \| moderate	11.142 \| good	49.197 \| good	13.252 \| good	0.72 \| good	4.311 \| good	0.205 \| good
2026-10-24T10:00:00.000Z	56 \| moderate	12.341 \| fine	55.589 \| fine	12.203 \| good	0.729 \| good	4.28 \| good	0.204 \| good
2026-10-24T11:00:00.000Z	56 \| moderate	12.127 \| fine	54.427 \| good	12.479 \| good	0.748 \| good	4.382 \| good	0.205 \| good
2026-10-24T12:00:00.000Z	56 \| moderate	11.572 \| good	51.177 \| good	11.875 \| good	0.773 \| good	4.711 \| good	0.209 \| good
2026-10-24T13:00:00.000Z	52 \| moderate	10.21 \| good	45.259 \| good	14.925 \| good	0.786 \| good	4.924 \| good	0.217 \| good
2026-10-24T14:00:00.000Z	54 \| moderate	11.355 \| good	50.253 \| good	24.111 \| good	0.831 \| good	3.836 \| good	0.218 \| good
2026-10-24T15:00:00.000Z	56 \| moderate	12.321 \| fine	55.749 \| fine	32.744 \| good	0.96 \| good	2.86 \| good	0.211 \| good
2026-10-24T16:00:00.000Z	56 \| moderate	12.176 \| fine	54.798 \| good	41.858 \| good	1.096 \| good	2.039 \| good	0.199 \| good
2026-10-24T17:00:00.000Z	54 \| moderate	10.796 \| good	47.894 \| good	47.705 \| good	1.188 \| good	1.255 \| good	0.183 \| good
2026-10-24T18:00:00.000Z	52 \| moderate	9.674 \| good	43.23 \| good	51.075 \| good	1.137 \| good	0.8 \| good	0.171 \| good
2026-10-24T19:00:00.000Z	52 \| moderate	9.873 \| good	43.702 \| good	53.112 \| good	1.037 \| good	0.675 \| good	0.166 \| good
2026-10-24T20:00:00.000Z	50 \| good	8.779 \| good	38.465 \| good	54.164 \| good	0.971 \| good	0.671 \| good	0.164 \| good
2026-10-24T21:00:00.000Z	50 \| good	7.961 \| good	34.702 \| good	54.144 \| good	0.939 \| good	0.761 \| good	0.164 \| good

Current air quality index in Charleston, Illinois today

Common air pollutants in Charleston, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Charleston, Illinois air quality forecast and history

Empower business decisions with accurate air quality data

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

Air quality in nearby cities

Mattoon, Illinois

Effingham, Illinois

Terre Haute, Indiana

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Champaign, Illinois

Decatur, Illinois

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Frequently asked questions

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

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

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

What is the current level of sulfur dioxide (SO2) in Charleston, 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 Charleston, Illinois right now?

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

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

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

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