What is the current level of PM10 in Decatur, Indiana?

Decatur, Indiana currently has a PM10 concentration of 59.98 μg/m3.

What is the current level of sulfur dioxide (SO2) in Decatur, Indiana?

The current sulfur dioxide (SO2) concentration in Decatur, Indiana is 1.423 ppb.

What is the current level of ozone (O3) in Decatur, Indiana?

Decatur, Indiana currently has an ozone (O3) concentration of 17.825 ppm.

What is the current level of nitrogen dioxide (NO2) in Decatur, Indiana?

The current level of nitrogen dioxide (NO2) in Decatur, Indiana is 14.408 ppb.

Current air quality index in Decatur, Indiana today

Q: What is the PM2.5 concentration in Decatur, Indiana right now?

Decatur, Indiana currently has a PM2.5 concentration of 20.449 μg/m3.

Stay updated with real-time air quality in Decatur, Indiana 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

Decatur, Indiana

Last updated: ... (Local time)

Common air pollutants in Decatur, Indiana

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

20.45 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

59.98 μg/m³

155

255

425

605+

Ozone (O₃)

17.82 ppb

201

201+

Sulfur Dioxide (SO₂)

1.42 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

14.41 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.25 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Decatur, Indiana

Scroll To Air Quality Map

Track live Decatur, Indiana air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T10:00:00.000Z	52 \| moderate	10.133 \| good	37.677 \| good	7.504 \| good	1.531 \| good	25.334 \| good	0.338 \| good
2025-12-05T11:00:00.000Z	52 \| moderate	10.38 \| good	34.162 \| good	14.88 \| good	1.189 \| good	24.076 \| good	0.37 \| good
2025-12-05T12:00:00.000Z	54 \| moderate	10.626 \| good	51.494 \| good	21.158 \| good	1.374 \| good	26.043 \| good	0.488 \| good
2025-12-05T13:00:00.000Z	52 \| moderate	10.359 \| good	54.45 \| good	17.968 \| good	1.357 \| good	29.566 \| good	0.432 \| good
2025-12-05T14:00:00.000Z	58 \| moderate	13.213 \| fine	41.39 \| good	14.103 \| good	1.461 \| good	24.631 \| good	0.379 \| good
2025-12-05T15:00:00.000Z	58 \| moderate	12.923 \| fine	49.659 \| good	13.245 \| good	1.428 \| good	21.073 \| good	0.366 \| good
2025-12-05T16:00:00.000Z	62 \| moderate	14.643 \| fine	61.573 \| fine	20.736 \| good	1.485 \| good	17.179 \| good	0.346 \| good
2025-12-05T17:00:00.000Z	64 \| moderate	15.945 \| fine	51.261 \| good	21.786 \| good	1.44 \| good	20.595 \| good	0.312 \| good
2025-12-05T18:00:00.000Z	64 \| moderate	15.987 \| fine	69.935 \| fine	22.351 \| good	1.443 \| good	20.361 \| good	0.281 \| good
2025-12-05T19:00:00.000Z	62 \| moderate	14.708 \| fine	60.306 \| fine	21.39 \| good	1.485 \| good	17.25 \| good	0.22 \| good
2025-12-05T20:00:00.000Z	62 \| moderate	14.517 \| fine	42.128 \| good	26.617 \| good	1.318 \| good	12.782 \| good	0.238 \| good
2025-12-05T21:00:00.000Z	62 \| moderate	15.106 \| fine	54.241 \| good	26.041 \| good	1.375 \| good	11.848 \| good	0.219 \| good
2025-12-05T22:00:00.000Z	66 \| moderate	17.282 \| fine	73.153 \| fine	27.393 \| good	1.427 \| good	12.768 \| good	0.253 \| good
2025-12-05T23:00:00.000Z	66 \| moderate	17.123 \| fine	80.447 \| fine	27.359 \| good	1.263 \| good	13.191 \| good	0.253 \| good
2025-12-06T00:00:00.000Z	64 \| moderate	15.716 \| fine	59.4 \| fine	26.596 \| good	1.803 \| good	12.554 \| good	0.287 \| good
2025-12-06T01:00:00.000Z	71 \| moderate	20.012 \| fine	88.675 \| fine	27.038 \| good	1.82 \| good	9.683 \| good	0.258 \| good
2025-12-06T02:00:00.000Z	69 \| moderate	18.915 \| fine	60.912 \| fine	25.136 \| good	1.794 \| good	9.627 \| good	0.238 \| good
2025-12-06T03:00:00.000Z	69 \| moderate	18.836 \| fine	74.866 \| fine	24.465 \| good	1.336 \| good	10.694 \| good	0.202 \| good
2025-12-06T04:00:00.000Z	69 \| moderate	19.035 \| fine	82.538 \| fine	23.584 \| good	1.351 \| good	12.997 \| good	0.219 \| good
2025-12-06T05:00:00.000Z	71 \| moderate	19.563 \| fine	80.59 \| fine	19.809 \| good	1.128 \| good	10.327 \| good	0.219 \| good
2025-12-06T06:00:00.000Z	69 \| moderate	19.278 \| fine	59.111 \| fine	21.404 \| good	0.88 \| good	9.555 \| good	0.238 \| good
2025-12-06T07:00:00.000Z	69 \| moderate	18.878 \| fine	77.848 \| fine	18.841 \| good	1.004 \| good	9.104 \| good	0.258 \| good
2025-12-06T08:00:00.000Z	69 \| moderate	18.775 \| fine	68.001 \| fine	22.189 \| good	1.174 \| good	9.132 \| good	0.238 \| good
2025-12-06T09:00:00.000Z	69 \| moderate	18.552 \| fine	59.275 \| fine	19.218 \| good	1.219 \| good	11.841 \| good	0.219 \| good
2025-12-06T10:00:00.000Z	67 \| moderate	17.821 \| fine	54.993 \| good	19.585 \| good	1.656 \| good	11.139 \| good	0.219 \| good
2025-12-06T11:00:00.000Z	67 \| moderate	17.959 \| fine	58.71 \| fine	18.608 \| good	1.694 \| good	9.774 \| good	0.2 \| good
2025-12-06T12:00:00.000Z	64 \| moderate	15.681 \| fine	56.459 \| fine	19.67 \| good	1.428 \| good	11.018 \| good	0.18 \| good
2025-12-06T13:00:00.000Z	64 \| moderate	15.737 \| fine	70.619 \| fine	20.34 \| good	1.175 \| good	12.279 \| good	0.184 \| good
2025-12-06T14:00:00.000Z	62 \| moderate	14.593 \| fine	71.769 \| fine	21.103 \| good	1.234 \| good	10.503 \| good	0.2 \| good
2025-12-06T15:00:00.000Z	64 \| moderate	16.032 \| fine	49.416 \| good	20.357 \| good	1.273 \| good	10.966 \| good	0.219 \| good
2025-12-06T16:00:00.000Z	64 \| moderate	16.403 \| fine	69.701 \| fine	22.789 \| good	1.253 \| good	10.79 \| good	0.219 \| good
2025-12-06T17:00:00.000Z	69 \| moderate	18.086 \| fine	90.594 \| fine	20.711 \| good	1.208 \| good	9.165 \| good	0.238 \| good
2025-12-06T18:00:00.000Z	69 \| moderate	18.791 \| fine	81.643 \| fine	20.338 \| good	1.176 \| good	7.409 \| good	0.219 \| good
2025-12-06T19:00:00.000Z	71 \| moderate	20.126 \| fine	74.957 \| fine	22.313 \| good	1.17 \| good	5.845 \| good	0.219 \| good
2025-12-06T20:00:00.000Z	71 \| moderate	20.431 \| fine	87.469 \| fine	22.156 \| good	1.613 \| good	5.529 \| good	0.219 \| good
2025-12-06T21:00:00.000Z	71 \| moderate	19.749 \| fine	82.35 \| fine	21.115 \| good	1.593 \| good	7.273 \| good	0.219 \| good
2025-12-06T22:00:00.000Z	62 \| moderate	14.909 \| fine	54.893 \| good	25.884 \| good	1.563 \| good	7.349 \| good	0.254 \| good
2025-12-06T23:00:00.000Z	62 \| moderate	14.607 \| fine	38.899 \| good	27.297 \| good	1.409 \| good	7.351 \| good	0.254 \| good
2025-12-07T00:00:00.000Z	67 \| moderate	17.838 \| fine	57.514 \| fine	25.575 \| good	1.223 \| good	9.085 \| good	0.252 \| good
2025-12-07T01:00:00.000Z	64 \| moderate	15.911 \| fine	54.117 \| good	24.458 \| good	1.421 \| good	12.237 \| good	0.252 \| good
2025-12-07T02:00:00.000Z	67 \| moderate	17.735 \| fine	56.579 \| fine	24.513 \| good	1.361 \| good	12.461 \| good	0.254 \| good
2025-12-07T03:00:00.000Z	71 \| moderate	20.273 \| fine	51.707 \| good	22.546 \| good	1.527 \| good	11.739 \| good	0.25 \| good
2025-12-07T04:00:00.000Z	67 \| moderate	18.439 \| fine	53.968 \| good	21.946 \| good	1.552 \| good	13.423 \| good	0.273 \| good
2025-12-07T05:00:00.000Z	66 \| moderate	17.248 \| fine	62.302 \| fine	23.119 \| good	1.681 \| good	13.083 \| good	0.254 \| good
2025-12-07T06:00:00.000Z	73 \| moderate	20.812 \| fine	56.189 \| fine	21.788 \| good	1.587 \| good	16.491 \| good	0.291 \| good
2025-12-07T07:00:00.000Z	73 \| moderate	21.094 \| fine	87.791 \| fine	17.05 \| good	1.624 \| good	16.641 \| good	0.273 \| good
2025-12-07T08:00:00.000Z	71 \| moderate	20.449 \| fine	59.98 \| fine	17.825 \| good	1.423 \| good	14.408 \| good	0.254 \| good
2025-12-07T09:00:00.000Z	71 \| moderate	20.449 \| fine	59.98 \| fine	17.825 \| good	1.423 \| good	14.408 \| good	0.254 \| good
2025-12-07T10:00:00.000Z	56 \| moderate	11.87 \| good	52.618 \| good	15.783 \| good	0.908 \| good	8.156 \| good	0.258 \| good
2025-12-07T11:00:00.000Z	60 \| moderate	14.351 \| fine	64.366 \| fine	15.034 \| good	1.041 \| good	7.951 \| good	0.254 \| good
2025-12-07T12:00:00.000Z	62 \| moderate	14.799 \| fine	66.315 \| fine	16.556 \| good	1.173 \| good	7.746 \| good	0.249 \| good
2025-12-07T13:00:00.000Z	58 \| moderate	13.272 \| fine	59.268 \| fine	18.365 \| good	1.154 \| good	7.835 \| good	0.255 \| good
2025-12-07T14:00:00.000Z	58 \| moderate	13.114 \| fine	58.549 \| fine	20.289 \| good	1.135 \| good	7.923 \| good	0.261 \| good
2025-12-07T15:00:00.000Z	58 \| moderate	12.824 \| fine	57.782 \| fine	22.443 \| good	1.116 \| good	8.012 \| good	0.267 \| good
2025-12-07T16:00:00.000Z	62 \| moderate	14.914 \| fine	66.456 \| fine	24.772 \| good	1.084 \| good	7.341 \| good	0.268 \| good
2025-12-07T17:00:00.000Z	67 \| moderate	18.366 \| fine	81.442 \| fine	27 \| good	1.052 \| good	6.669 \| good	0.268 \| good
2025-12-07T18:00:00.000Z	71 \| moderate	19.978 \| fine	87.93 \| fine	26.97 \| good	1.02 \| good	5.997 \| good	0.269 \| good
2025-12-07T19:00:00.000Z	75 \| moderate	21.751 \| fine	95.9 \| fine	30.331 \| good	0.946 \| good	5.434 \| good	0.251 \| good
2025-12-07T20:00:00.000Z	79 \| moderate	24.405 \| fine	106.327 \| fine	34.186 \| good	0.872 \| good	4.87 \| good	0.234 \| good
2025-12-07T21:00:00.000Z	73 \| moderate	21.035 \| fine	92.291 \| fine	35.152 \| good	0.798 \| good	4.306 \| good	0.217 \| good
2025-12-07T22:00:00.000Z	54 \| moderate	11.246 \| good	49.703 \| good	33.941 \| good	0.691 \| good	4.197 \| good	0.207 \| good
2025-12-07T23:00:00.000Z	52 \| moderate	10.352 \| good	45.83 \| good	30.07 \| good	0.585 \| good	4.088 \| good	0.198 \| good
2025-12-08T00:00:00.000Z	52 \| moderate	9.644 \| good	43.017 \| good	26.219 \| good	0.478 \| good	3.98 \| good	0.188 \| good
2025-12-08T01:00:00.000Z	38 \| good	6.838 \| good	30.211 \| good	25.268 \| good	0.432 \| good	3.838 \| good	0.186 \| good
2025-12-08T02:00:00.000Z	27 \| good	5.152 \| good	22.196 \| good	23.756 \| good	0.386 \| good	3.695 \| good	0.183 \| good
2025-12-08T03:00:00.000Z	27 \| good	4.552 \| good	19.841 \| good	22.22 \| good	0.34 \| good	3.553 \| good	0.181 \| good
2025-12-08T04:00:00.000Z	27 \| good	4.709 \| good	20.495 \| good	21.228 \| good	0.278 \| good	3.4 \| good	0.178 \| good
2025-12-08T05:00:00.000Z	27 \| good	5.3 \| good	22.71 \| good	18.72 \| good	0.216 \| good	3.246 \| good	0.174 \| good
2025-12-08T06:00:00.000Z	27 \| good	5.133 \| good	22.243 \| good	15.986 \| good	0.154 \| good	3.092 \| good	0.17 \| good
2025-12-08T07:00:00.000Z	27 \| good	5.488 \| good	23.577 \| good	14.588 \| good	0.14 \| good	3.051 \| good	0.169 \| good
2025-12-08T08:00:00.000Z	33 \| good	5.703 \| good	24.825 \| good	15.793 \| good	0.126 \| good	3.011 \| good	0.167 \| good
2025-12-08T09:00:00.000Z	33 \| good	5.584 \| good	24.224 \| good	14.852 \| good	0.112 \| good	2.97 \| good	0.165 \| good
2025-12-08T10:00:00.000Z	27 \| good	5.284 \| good	22.676 \| good	15.403 \| good	0.118 \| good	3.091 \| good	0.165 \| good
2025-12-08T11:00:00.000Z	33 \| good	6.199 \| good	27.612 \| good	15.562 \| good	0.123 \| good	3.211 \| good	0.165 \| good
2025-12-08T12:00:00.000Z	44 \| good	7.676 \| good	33.922 \| good	16.183 \| good	0.128 \| good	3.332 \| good	0.165 \| good
2025-12-08T13:00:00.000Z	38 \| good	6.611 \| good	29.415 \| good	17.306 \| good	0.157 \| good	3.833 \| good	0.177 \| good
2025-12-08T14:00:00.000Z	33 \| good	6.163 \| good	27.321 \| good	18.27 \| good	0.186 \| good	4.335 \| good	0.19 \| good
2025-12-08T15:00:00.000Z	33 \| good	6.307 \| good	27.875 \| good	21.227 \| good	0.216 \| good	4.837 \| good	0.203 \| good
2025-12-08T16:00:00.000Z	38 \| good	6.704 \| good	30 \| good	23.475 \| good	0.247 \| good	4.484 \| good	0.197 \| good
2025-12-08T17:00:00.000Z	38 \| good	6.877 \| good	30.567 \| good	25.016 \| good	0.279 \| good	4.131 \| good	0.192 \| good
2025-12-08T18:00:00.000Z	33 \| good	6.07 \| good	27.132 \| good	27.374 \| good	0.31 \| good	3.778 \| good	0.187 \| good
2025-12-08T19:00:00.000Z	38 \| good	6.536 \| good	29.21 \| good	27.808 \| good	0.326 \| good	4.248 \| good	0.189 \| good
2025-12-08T20:00:00.000Z	38 \| good	6.651 \| good	29.412 \| good	28.134 \| good	0.342 \| good	4.718 \| good	0.19 \| good
2025-12-08T21:00:00.000Z	38 \| good	7.455 \| good	32.953 \| good	30.112 \| good	0.358 \| good	5.187 \| good	0.192 \| good
2025-12-08T22:00:00.000Z	44 \| good	8.016 \| good	35.295 \| good	28.807 \| good	0.446 \| good	10.025 \| good	0.239 \| good
2025-12-08T23:00:00.000Z	44 \| good	8.304 \| good	36.311 \| good	24.439 \| good	0.533 \| good	14.863 \| good	0.287 \| good
2025-12-09T00:00:00.000Z	44 \| good	7.509 \| good	33.154 \| good	20.811 \| good	0.62 \| good	19.701 \| good	0.334 \| good
2025-12-09T01:00:00.000Z	38 \| good	7.216 \| good	31.991 \| good	20.222 \| good	0.483 \| good	17.391 \| good	0.314 \| good
2025-12-09T02:00:00.000Z	44 \| good	7.955 \| good	34.991 \| good	19.085 \| good	0.346 \| good	15.08 \| good	0.294 \| good
2025-12-09T03:00:00.000Z	49 \| good	9.084 \| good	40.385 \| good	18.377 \| good	0.208 \| good	12.77 \| good	0.275 \| good
2025-12-09T04:00:00.000Z	54 \| moderate	10.983 \| good	48.442 \| good	16.955 \| good	0.351 \| good	10.783 \| good	0.253 \| good
2025-12-09T05:00:00.000Z	56 \| moderate	11.874 \| good	53.039 \| good	17.002 \| good	0.493 \| good	8.795 \| good	0.231 \| good
2025-12-09T06:00:00.000Z	52 \| moderate	10.28 \| good	10.535 \| good	25.969 \| good	0.636 \| good	6.816 \| good	0.209 \| good
2025-12-09T07:00:00.000Z	44 \| good	7.658 \| good	33.612 \| good	18.795 \| good	1.303 \| good	6.24 \| good	0.201 \| good
2025-12-09T08:00:00.000Z	38 \| good	6.916 \| good	30.736 \| good	18.715 \| good	1.971 \| good	5.671 \| good	0.194 \| good
2025-12-09T09:00:00.000Z	33 \| good	6.374 \| good	28.467 \| good	16.534 \| good	2.639 \| good	5.103 \| good	0.186 \| good

Decatur

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Decatur, Indiana

0.25ppm

How accurate is Indiana, USA air quality data?

The air quality data for Indiana, 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 Decatur, Indiana get updated?

Air quality updates for Decatur, Indiana are available every hour.

What time in the past 24 hours saw the poorest air quality in Decatur, Indiana?

Decatur, Indiana experienced its worst air quality at 07:00:00, 2025-12-07.

When was air quality in Decatur, Indiana the best over the past 24 hours?

The best air quality in Decatur, Indiana was observed at 11:00:00 on 2025-12-06.

What is the air quality in Decatur, Indiana right now?

The air quality in Decatur, Indiana right now is Moderate, with an AQI of 71.

What pollutant is most frequently found in Decatur, Indiana?

In Decatur, Indiana, PM2.5 is the most frequently found pollutant.

What can I do if the air quality in Decatur, Indiana is poor?

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

What is the PM_2.5 concentration in Decatur, Indiana right now?

Decatur, Indiana currently has a PM_2.5 concentration of 20.449 μg/m³.

What is the current level of PM₁₀ in Decatur, Indiana?

Decatur, Indiana currently has a PM₁₀ concentration of 59.98 μg/m³.

What is the current level of carbon monoxide (CO) in Decatur, Indiana?

The current carbon monoxide (CO) level in Decatur, Indiana is 0.254 ppm.

What is the current level of sulfur dioxide (SO₂) in Decatur, Indiana?

The current sulfur dioxide (SO₂) concentration in Decatur, Indiana is 1.423 ppb.

What is the current level of ozone (O₃) in Decatur, Indiana?

Decatur, Indiana currently has an ozone (O₃) concentration of 17.825 ppm.

What is the current level of nitrogen dioxide (NO₂) in Decatur, Indiana?

The current level of nitrogen dioxide (NO₂) in Decatur, Indiana is 14.408 ppb.

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