What is the PM10 level in Mattoon, Illinois at the moment?

The PM10 concentration in Mattoon, Illinois is 19.925 μg/m3 at the moment.

What is the sulfur dioxide (SO2) level in Mattoon, Illinois at the moment?

Currently, Mattoon, Illinois has a sulfur dioxide (SO2) concentration of 0.176 ppb.

What is the ozone (O3) level in Mattoon, Illinois at the moment?

The current ozone (O3) level in Mattoon, Illinois at the moment is 16.371 ppm.

What is the nitrogen dioxide (NO2) level in Mattoon, Illinois at the moment?

Nitrogen dioxide (NO2) level in Mattoon, Illinois at the moment is 7.718 ppb.

Live air quality index in Mattoon, Illinois today

Q: What is the PM2.5 level in Mattoon, Illinois at the moment?

PM2.5 levels in Mattoon, Illinois are currently 5.741 μg/m3.

Stay updated with real-time air quality in Mattoon, 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

Mattoon, Illinois

Last updated: ... (Local time)

Major air pollutants in Mattoon, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.74 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

19.93 μg/m³

155

255

425

605+

Ozone (O₃)

16.37 ppb

201

201+

Sulfur Dioxide (SO₂)

0.18 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

7.72 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.46 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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Mattoon, Illinois

Scroll To Air Quality Map

Track live Mattoon, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-04T16:00:00.000Z	71 \| moderate	19.53 \| fine	63.563 \| fine	14.594 \| good	0.316 \| good	8.678 \| good	0.38 \| good
2026-03-04T17:00:00.000Z	73 \| moderate	21.268 \| fine	94.539 \| fine	15.105 \| good	0.314 \| good	10.367 \| good	0.359 \| good
2026-03-04T18:00:00.000Z	71 \| moderate	20.155 \| fine	83.236 \| fine	26.127 \| good	0.342 \| good	11.728 \| good	0.468 \| good
2026-03-04T19:00:00.000Z	75 \| moderate	22.393 \| fine	65.976 \| fine	16.621 \| good	0.397 \| good	12.915 \| good	0.484 \| good
2026-03-04T20:00:00.000Z	71 \| moderate	19.653 \| fine	40.381 \| good	9.938 \| good	0.331 \| good	12.267 \| good	0.497 \| good
2026-03-04T21:00:00.000Z	73 \| moderate	21.034 \| fine	59.093 \| fine	12.036 \| good	0.291 \| good	11.607 \| good	0.459 \| good
2026-03-04T22:00:00.000Z	71 \| moderate	20.392 \| fine	35.273 \| good	13.555 \| good	0.255 \| good	10.35 \| good	0.476 \| good
2026-03-04T23:00:00.000Z	54 \| moderate	11.388 \| good	53.067 \| good	12.908 \| good	0.311 \| good	10.987 \| good	0.504 \| good
2026-03-05T00:00:00.000Z	44 \| good	8.105 \| good	40.03 \| good	12.406 \| good	0.289 \| good	16.101 \| good	0.598 \| good
2026-03-05T01:00:00.000Z	38 \| good	7.316 \| good	33.493 \| good	13.817 \| good	0.659 \| good	15.432 \| good	0.422 \| good
2026-03-05T02:00:00.000Z	59 \| moderate	11.162 \| good	70.916 \| fine	7.048 \| good	1.583 \| good	14.065 \| good	0.512 \| good
2026-03-05T03:00:00.000Z	64 \| moderate	16.224 \| fine	72.265 \| fine	22.166 \| good	0.181 \| good	4.653 \| good	0.176 \| good
2026-03-05T04:00:00.000Z	38 \| good	6.879 \| good	33.198 \| good	7.867 \| good	0.565 \| good	15.723 \| good	0.592 \| good
2026-03-05T05:00:00.000Z	50 \| good	8.621 \| good	53.754 \| good	7.729 \| good	0.603 \| good	15.346 \| good	0.544 \| good
2026-03-05T06:00:00.000Z	52 \| moderate	9.52 \| good	36.684 \| good	5.541 \| good	0.345 \| good	13.242 \| good	0.46 \| good
2026-03-05T07:00:00.000Z	56 \| moderate	11.596 \| good	39.186 \| good	12.203 \| good	0.219 \| good	10.682 \| good	0.42 \| good
2026-03-05T08:00:00.000Z	54 \| moderate	11.165 \| good	33.821 \| good	13.592 \| good	0.187 \| good	10.868 \| good	0.381 \| good
2026-03-05T09:00:00.000Z	49 \| good	8.853 \| good	24.576 \| good	13.903 \| good	0.343 \| good	12.42 \| good	0.233 \| good
2026-03-05T10:00:00.000Z	38 \| good	6.839 \| good	25.578 \| good	15.695 \| good	2.571 \| good	11.395 \| good	0.29 \| good
2026-03-05T11:00:00.000Z	27 \| good	4.912 \| good	21.456 \| good	10.481 \| good	0.298 \| good	12.444 \| good	0.261 \| good
2026-03-05T12:00:00.000Z	27 \| good	4.88 \| good	11.88 \| good	15.259 \| good	0.273 \| good	14.817 \| good	0.301 \| good
2026-03-05T13:00:00.000Z	22 \| good	4.44 \| good	17.615 \| good	21.497 \| good	0.241 \| good	13.084 \| good	0.315 \| good
2026-03-05T14:00:00.000Z	27 \| good	4.749 \| good	23.606 \| good	17.202 \| good	0.313 \| good	11.272 \| good	0.281 \| good
2026-03-05T15:00:00.000Z	27 \| good	4.763 \| good	28.107 \| good	26.076 \| good	0.236 \| good	12.447 \| good	0.309 \| good
2026-03-05T16:00:00.000Z	28 \| good	3.639 \| good	21.124 \| good	29.692 \| good	0.234 \| good	12.849 \| good	0.309 \| good
2026-03-05T17:00:00.000Z	27 \| good	4.148 \| good	26.242 \| good	29.268 \| good	0.187 \| good	10.823 \| good	0.296 \| good
2026-03-05T18:00:00.000Z	23 \| good	3.669 \| good	12.695 \| good	25.395 \| good	0.214 \| good	8.466 \| good	0.255 \| good
2026-03-05T19:00:00.000Z	31 \| good	4.817 \| good	11.605 \| good	33.631 \| good	0.263 \| good	8.231 \| good	0.302 \| good
2026-03-05T20:00:00.000Z	27 \| good	4.839 \| good	17.701 \| good	24.08 \| good	0.263 \| good	9.035 \| good	0.302 \| good
2026-03-05T21:00:00.000Z	27 \| good	4.997 \| good	22.098 \| good	26.483 \| good	0.308 \| good	8.611 \| good	0.323 \| good
2026-03-05T22:00:00.000Z	22 \| good	4.22 \| good	16.389 \| good	23.174 \| good	1.173 \| good	10.495 \| good	0.364 \| good
2026-03-05T23:00:00.000Z	27 \| good	5.102 \| good	16.982 \| good	25.714 \| good	2.002 \| good	12.628 \| good	0.338 \| good
2026-03-06T00:00:00.000Z	22 \| good	4.08 \| good	21.457 \| good	16.577 \| good	1.028 \| good	14.698 \| good	0.359 \| good
2026-03-06T01:00:00.000Z	27 \| good	4.755 \| good	23.27 \| good	21.167 \| good	0.271 \| good	18.521 \| good	0.393 \| good
2026-03-06T02:00:00.000Z	33 \| good	6.284 \| good	31.043 \| good	20.927 \| good	0.236 \| good	17.416 \| good	0.445 \| good
2026-03-06T03:00:00.000Z	31 \| good	4.444 \| good	19 \| good	33.11 \| good	0.343 \| good	9.563 \| good	0.241 \| good
2026-03-06T04:00:00.000Z	33 \| good	5.814 \| good	22.884 \| good	18.194 \| good	0.406 \| good	17.876 \| good	0.43 \| good
2026-03-06T05:00:00.000Z	38 \| good	6.948 \| good	29.208 \| good	17.225 \| good	0.735 \| good	15.497 \| good	0.495 \| good
2026-03-06T06:00:00.000Z	38 \| good	6.621 \| good	31.964 \| good	15.326 \| good	0.447 \| good	10.689 \| good	0.401 \| good
2026-03-06T07:00:00.000Z	38 \| good	6.5 \| good	33.585 \| good	10.708 \| good	0.152 \| good	8.859 \| good	0.455 \| good
2026-03-06T08:00:00.000Z	27 \| good	5.472 \| good	21.729 \| good	15.354 \| good	0.152 \| good	6.976 \| good	0.34 \| good
2026-03-06T09:00:00.000Z	27 \| good	5.483 \| good	24.216 \| good	16.526 \| good	0.189 \| good	7.745 \| good	0.255 \| good
2026-03-06T10:00:00.000Z	38 \| good	6.547 \| good	23.851 \| good	12.358 \| good	0.437 \| good	8.676 \| good	0.238 \| good
2026-03-06T11:00:00.000Z	38 \| good	6.993 \| good	18.489 \| good	13.548 \| good	0.158 \| good	9.6 \| good	0.315 \| good
2026-03-06T12:00:00.000Z	38 \| good	7.381 \| good	21.97 \| good	14.233 \| good	0.172 \| good	10.585 \| good	0.278 \| good
2026-03-06T13:00:00.000Z	38 \| good	7.277 \| good	22.239 \| good	17.491 \| good	0.229 \| good	11.091 \| good	0.317 \| good
2026-03-06T14:00:00.000Z	33 \| good	5.741 \| good	19.925 \| good	16.371 \| good	0.176 \| good	7.718 \| good	0.461 \| good
2026-03-06T15:00:00.000Z	33 \| good	5.741 \| good	19.925 \| good	16.371 \| good	0.176 \| good	7.718 \| good	0.461 \| good
2026-03-06T16:00:00.000Z	29 \| good	4.621 \| good	20.022 \| good	31.331 \| good	0.405 \| good	1.398 \| good	0.131 \| good
2026-03-06T17:00:00.000Z	33 \| good	3.867 \| good	16.944 \| good	35.999 \| good	0.401 \| good	0.997 \| good	0.123 \| good
2026-03-06T18:00:00.000Z	36 \| good	3.435 \| good	15.024 \| good	38.903 \| good	0.397 \| good	0.596 \| good	0.115 \| good
2026-03-06T19:00:00.000Z	35 \| good	3.416 \| good	14.944 \| good	37.788 \| good	0.354 \| good	0.543 \| good	0.109 \| good
2026-03-06T20:00:00.000Z	34 \| good	3.224 \| good	14 \| good	36.967 \| good	0.31 \| good	0.49 \| good	0.102 \| good
2026-03-06T21:00:00.000Z	32 \| good	2.435 \| good	9.976 \| good	35.12 \| good	0.266 \| good	0.437 \| good	0.096 \| good
2026-03-06T22:00:00.000Z	31 \| good	2.213 \| good	8.872 \| good	32.999 \| good	0.268 \| good	0.725 \| good	0.097 \| good
2026-03-06T23:00:00.000Z	31 \| good	2.934 \| good	11.848 \| good	33.456 \| good	0.27 \| good	1.014 \| good	0.098 \| good
2026-03-07T00:00:00.000Z	31 \| good	3.257 \| good	14.224 \| good	34.319 \| good	0.272 \| good	1.302 \| good	0.1 \| good
2026-03-07T01:00:00.000Z	34 \| good	3.467 \| good	15.216 \| good	36.526 \| good	0.306 \| good	1.357 \| good	0.102 \| good
2026-03-07T02:00:00.000Z	31 \| good	3.245 \| good	14.116 \| good	34.45 \| good	0.341 \| good	1.412 \| good	0.105 \| good
2026-03-07T03:00:00.000Z	31 \| good	2.982 \| good	12 \| good	33.321 \| good	0.375 \| good	1.466 \| good	0.108 \| good
2026-03-07T04:00:00.000Z	30 \| good	3.407 \| good	15.122 \| good	32.332 \| good	0.362 \| good	1.439 \| good	0.11 \| good
2026-03-07T05:00:00.000Z	30 \| good	3.679 \| good	15.988 \| good	31.883 \| good	0.348 \| good	1.412 \| good	0.111 \| good
2026-03-07T06:00:00.000Z	28 \| good	3.572 \| good	15.91 \| good	30.346 \| good	0.335 \| good	1.384 \| good	0.112 \| good
2026-03-07T07:00:00.000Z	26 \| good	3.493 \| good	15.398 \| good	27.596 \| good	0.331 \| good	1.273 \| good	0.109 \| good
2026-03-07T08:00:00.000Z	25 \| good	3.364 \| good	14.976 \| good	27.243 \| good	0.327 \| good	1.162 \| good	0.106 \| good
2026-03-07T09:00:00.000Z	26 \| good	3.525 \| good	15.398 \| good	28.472 \| good	0.323 \| good	1.05 \| good	0.104 \| good
2026-03-07T10:00:00.000Z	28 \| good	4.938 \| good	21.214 \| good	30.345 \| good	0.31 \| good	1.064 \| good	0.102 \| good
2026-03-07T11:00:00.000Z	33 \| good	5.713 \| good	24.552 \| good	30.482 \| good	0.296 \| good	1.078 \| good	0.101 \| good
2026-03-07T12:00:00.000Z	28 \| good	3.853 \| good	17.033 \| good	29.836 \| good	0.283 \| good	1.091 \| good	0.1 \| good
2026-03-07T13:00:00.000Z	25 \| good	4.084 \| good	18.033 \| good	27.056 \| good	0.26 \| good	1.304 \| good	0.102 \| good
2026-03-07T14:00:00.000Z	26 \| good	4.111 \| good	18.081 \| good	28.352 \| good	0.237 \| good	1.516 \| good	0.105 \| good
2026-03-07T15:00:00.000Z	27 \| good	4.339 \| good	19 \| good	29.168 \| good	0.213 \| good	1.728 \| good	0.107 \| good
2026-03-07T16:00:00.000Z	30 \| good	4.062 \| good	17.944 \| good	32.471 \| good	0.229 \| good	1.524 \| good	0.108 \| good
2026-03-07T17:00:00.000Z	33 \| good	4.225 \| good	18.676 \| good	35.524 \| good	0.245 \| good	1.319 \| good	0.11 \| good
2026-03-07T18:00:00.000Z	33 \| good	4.696 \| good	20.237 \| good	35.762 \| good	0.26 \| good	1.115 \| good	0.111 \| good
2026-03-07T19:00:00.000Z	33 \| good	5.629 \| good	23.992 \| good	34.517 \| good	0.219 \| good	1.091 \| good	0.124 \| good
2026-03-07T20:00:00.000Z	32 \| good	5.216 \| good	22.577 \| good	35.242 \| good	0.177 \| good	1.067 \| good	0.138 \| good
2026-03-07T21:00:00.000Z	33 \| good	4.805 \| good	20.89 \| good	36.148 \| good	0.135 \| good	1.043 \| good	0.151 \| good
2026-03-07T22:00:00.000Z	33 \| good	5.271 \| good	22.699 \| good	35.595 \| good	0.146 \| good	1.278 \| good	0.161 \| good
2026-03-07T23:00:00.000Z	33 \| good	5.599 \| good	23.992 \| good	34.882 \| good	0.157 \| good	1.512 \| good	0.171 \| good
2026-03-08T00:00:00.000Z	33 \| good	6.335 \| good	28.073 \| good	34.242 \| good	0.168 \| good	1.747 \| good	0.181 \| good
2026-03-08T01:00:00.000Z	38 \| good	7.13 \| good	31.934 \| good	31.746 \| good	0.19 \| good	1.976 \| good	0.184 \| good
2026-03-08T02:00:00.000Z	38 \| good	6.733 \| good	30.02 \| good	30.288 \| good	0.213 \| good	2.205 \| good	0.188 \| good
2026-03-08T03:00:00.000Z	38 \| good	7.366 \| good	32.367 \| good	28.634 \| good	0.235 \| good	2.435 \| good	0.191 \| good
2026-03-08T04:00:00.000Z	44 \| good	7.623 \| good	33.398 \| good	25.247 \| good	0.233 \| good	2.613 \| good	0.191 \| good
2026-03-08T05:00:00.000Z	49 \| good	8.553 \| good	37.22 \| good	23.891 \| good	0.23 \| good	2.791 \| good	0.191 \| good
2026-03-08T06:00:00.000Z	22 \| good	2.051 \| good	2.072 \| good	23.611 \| good	0.229 \| good	2.978 \| good	0.191 \| good
2026-03-08T07:00:00.000Z	44 \| good	8.384 \| good	36.969 \| good	21.093 \| good	0.217 \| good	2.831 \| good	0.188 \| good
2026-03-08T08:00:00.000Z	52 \| moderate	9.531 \| good	42.886 \| good	19.251 \| good	0.206 \| good	2.692 \| good	0.184 \| good
2026-03-08T09:00:00.000Z	52 \| moderate	10.451 \| good	46.179 \| good	19.658 \| good	0.194 \| good	2.553 \| good	0.18 \| good
2026-03-08T10:00:00.000Z	54 \| moderate	11.463 \| good	50.482 \| good	20.571 \| good	0.188 \| good	2.493 \| good	0.177 \| good
2026-03-08T11:00:00.000Z	56 \| moderate	12.394 \| fine	55.807 \| fine	19.634 \| good	0.181 \| good	2.433 \| good	0.174 \| good
2026-03-08T12:00:00.000Z	21 \| good	2.935 \| good	3.12 \| good	22.704 \| good	0.175 \| good	2.377 \| good	0.171 \| good
2026-03-08T13:00:00.000Z	23 \| good	3.035 \| good	3.277 \| good	24.975 \| good	0.199 \| good	2.143 \| good	0.169 \| good
2026-03-08T14:00:00.000Z	25 \| good	2.811 \| good	3.057 \| good	27.247 \| good	0.223 \| good	1.908 \| good	0.167 \| good
2026-03-08T15:00:00.000Z	28 \| good	2.156 \| good	2.581 \| good	29.518 \| good	0.247 \| good	1.673 \| good	0.165 \| good

Mattoon

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Mattoon, Illinois air quality map: Stay updated on AQI near you

0.41ppm

How accurate is Illinois, USA air quality data?

Air quality and pollutant data for Illinois, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

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Frequently asked questions

How often is air quality information updated for Mattoon, Illinois?

The air quality information for Mattoon, Illinois is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Mattoon, Illinois at its worst?

In the past 24 hours, the air quality in Mattoon, Illinois was at its worst at 01:00:00 on 2026-03-06.

When did Mattoon, Illinois experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Mattoon, Illinois was observed at 12:00:00 on 2026-03-06.

What is the AQI in Mattoon, Illinois right now?

As of now, the AQI in Mattoon, Illinois is 33, indicating Good conditions.

What is the most common type of pollution in Mattoon, Illinois?

Mattoon, Illinois air has the highest levels of PM2.5.

What should I do in case of poor air quality in Mattoon, Illinois?

Poor air quality in Mattoon, Illinois means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in Mattoon, Illinois at the moment?

PM_2.5 levels in Mattoon, Illinois are currently 5.741 μg/m³.

What is the PM₁₀ level in Mattoon, Illinois at the moment?

The PM₁₀ concentration in Mattoon, Illinois is 19.925 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Mattoon, Illinois at the moment?

The current carbon monoxide (CO) concentration in Mattoon, Illinois is 0.461 ppm.

What is the sulfur dioxide (SO₂) level in Mattoon, Illinois at the moment?

Currently, Mattoon, Illinois has a sulfur dioxide (SO₂) concentration of 0.176 ppb.

What is the ozone (O₃) level in Mattoon, Illinois at the moment?

The current ozone (O₃) level in Mattoon, Illinois at the moment is 16.371 ppm.

What is the nitrogen dioxide (NO₂) level in Mattoon, Illinois at the moment?

Nitrogen dioxide (NO₂) level in Mattoon, Illinois at the moment is 7.718 ppb.

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