What is the current concentration of PM10 in Decatur, Alabama?

The current PM10 concentration at Decatur, Alabama is 21.07 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Decatur, Alabama?

The current sulfur dioxide (SO2) concentration at Decatur, Alabama is 1.574 ppb.

What is the current concentration of ozone (O3) in Decatur, Alabama?

The current ozone (O3) concentration at Decatur, Alabama is 47.989 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Decatur, Alabama?

The current nitrogen dioxide (NO2) concentration at Decatur, Alabama is 9.462 ppb.

Decatur, Alabama live air quality index now

Q: What is the current concentration of PM2.5 in Decatur, Alabama?

The current PM2.5 concentration at Decatur, Alabama is 3.356 μg/m3.

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

Decatur, Alabama

Last updated: ... (Local time)

Major air pollutants in Decatur, Alabama

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.36 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

21.07 μg/m³

155

255

425

605+

Ozone (O₃)

47.99 ppb

201

201+

Sulfur Dioxide (SO₂)

1.57 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

9.46 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.30 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Decatur, Alabama

Scroll To Air Quality Map

Track live Decatur, Alabama air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T21:00:00.000Z	41 \| good	1.05 \| good	4.669 \| good	44.392 \| good	1.265 \| good	10.603 \| good	0.279 \| good
2026-10-20T22:00:00.000Z	43 \| good	0.662 \| good	3.16 \| good	46.146 \| good	1.534 \| good	9.176 \| good	0.253 \| good
2026-10-20T23:00:00.000Z	42 \| good	2.982 \| good	12.081 \| good	44.874 \| good	1.019 \| good	3.273 \| good	0.3 \| good
2026-10-21T00:00:00.000Z	34 \| good	1.019 \| good	3.907 \| good	36.579 \| good	0.929 \| good	4.395 \| good	0.362 \| good
2026-10-21T01:00:00.000Z	44 \| good	7.968 \| good	12.633 \| good	31.561 \| good	1.291 \| good	9.178 \| good	0.58 \| good
2026-10-21T02:00:00.000Z	22 \| good	3.93 \| good	15.832 \| good	23.014 \| good	1.381 \| good	16.59 \| good	0.571 \| good
2026-10-21T03:00:00.000Z	38 \| good	6.58 \| good	29.265 \| good	3.16 \| good	0.346 \| good	4.906 \| good	0.179 \| good
2026-10-21T04:00:00.000Z	12 \| good	1.503 \| good	6.175 \| good	8.631 \| good	0.901 \| good	13.234 \| good	0.561 \| good
2026-10-21T05:00:00.000Z	9 \| good	0.959 \| good	3.642 \| good	9.046 \| good	0.857 \| good	9.798 \| good	0.529 \| good
2026-10-21T06:00:00.000Z	11 \| good	1.558 \| good	6.491 \| good	7.412 \| good	0.875 \| good	9.271 \| good	0.563 \| good
2026-10-21T07:00:00.000Z	11 \| good	1.587 \| good	5.699 \| good	5.721 \| good	0.897 \| good	10.55 \| good	0.599 \| good
2026-10-21T08:00:00.000Z	11 \| good	1.825 \| good	7.099 \| good	5.754 \| good	0.899 \| good	10.881 \| good	0.595 \| good
2026-10-21T09:00:00.000Z	8 \| good	1.374 \| good	5.566 \| good	5.657 \| good	0.872 \| good	9.296 \| good	0.566 \| good
2026-10-21T10:00:00.000Z	11 \| good	1.796 \| good	7.727 \| good	5.46 \| good	0.833 \| good	8.655 \| good	0.561 \| good
2026-10-21T11:00:00.000Z	11 \| good	1.768 \| good	7.773 \| good	5.705 \| good	0.964 \| good	6.981 \| good	0.55 \| good
2026-10-21T12:00:00.000Z	22 \| good	4.336 \| good	11.731 \| good	5.511 \| good	0.935 \| good	8.68 \| good	0.593 \| good
2026-10-21T13:00:00.000Z	22 \| good	3.81 \| good	15.29 \| good	5.547 \| good	0.923 \| good	7.068 \| good	0.625 \| good
2026-10-21T14:00:00.000Z	44 \| good	8.027 \| good	43.938 \| good	5.939 \| good	1.075 \| good	10.497 \| good	0.658 \| good
2026-10-21T15:00:00.000Z	49 \| good	9.439 \| good	38.799 \| good	10.9 \| good	1.251 \| good	15.136 \| good	0.733 \| good
2026-10-21T16:00:00.000Z	18 \| good	1.81 \| good	8.34 \| good	19.495 \| good	3.431 \| good	18.895 \| good	0.531 \| good
2026-10-21T17:00:00.000Z	23 \| good	2.097 \| good	9.153 \| good	24.784 \| good	3.965 \| good	13.603 \| good	0.33 \| good
2026-10-21T18:00:00.000Z	32 \| good	5.005 \| good	19.838 \| good	34.706 \| good	0.891 \| good	13.843 \| good	0.307 \| good
2026-10-21T19:00:00.000Z	41 \| good	2.297 \| good	10.277 \| good	43.738 \| good	4.228 \| good	9.473 \| good	0.266 \| good
2026-10-21T20:00:00.000Z	43 \| good	5.784 \| good	22.858 \| good	45.782 \| good	2.651 \| good	6.975 \| good	0.264 \| good
2026-10-21T21:00:00.000Z	47 \| good	3.793 \| good	16.754 \| good	51.328 \| good	2.334 \| good	5.458 \| good	0.244 \| good
2026-10-21T22:00:00.000Z	44 \| good	2.522 \| good	12.883 \| good	47.748 \| good	1.258 \| good	6.467 \| good	0.271 \| good
2026-10-21T23:00:00.000Z	43 \| good	3.689 \| good	16.024 \| good	46.26 \| good	1.101 \| good	4.452 \| good	0.301 \| good
2026-10-22T00:00:00.000Z	39 \| good	4.418 \| good	17.22 \| good	41.894 \| good	1.058 \| good	12.674 \| good	0.369 \| good
2026-10-22T01:00:00.000Z	30 \| good	4.732 \| good	18.22 \| good	31.612 \| good	1.422 \| good	5.504 \| good	0.453 \| good
2026-10-22T02:00:00.000Z	29 \| good	3.888 \| good	14.815 \| good	30.96 \| good	1.124 \| good	8.654 \| good	0.494 \| good
2026-10-22T03:00:00.000Z	33 \| good	5.943 \| good	26.54 \| good	13.095 \| good	0.589 \| good	5.543 \| good	0.199 \| good
2026-10-22T04:00:00.000Z	22 \| good	4.32 \| good	19.776 \| good	9.246 \| good	0.926 \| good	7.307 \| good	0.656 \| good
2026-10-22T05:00:00.000Z	27 \| good	4.665 \| good	22.438 \| good	17.92 \| good	0.903 \| good	7.448 \| good	0.639 \| good
2026-10-22T06:00:00.000Z	27 \| good	4.707 \| good	18.809 \| good	14.125 \| good	0.86 \| good	8.124 \| good	0.584 \| good
2026-10-22T07:00:00.000Z	25 \| good	4.296 \| good	27.144 \| good	6.615 \| good	0.833 \| good	10.328 \| good	0.536 \| good
2026-10-22T08:00:00.000Z	33 \| good	5.746 \| good	23.903 \| good	6.614 \| good	0.86 \| good	11.213 \| good	0.501 \| good
2026-10-22T09:00:00.000Z	13 \| good	0.997 \| good	3.741 \| good	6.517 \| good	0.993 \| good	13.948 \| good	0.434 \| good
2026-10-22T10:00:00.000Z	11 \| good	1.772 \| good	6.594 \| good	5.495 \| good	0.929 \| good	9.983 \| good	0.422 \| good
2026-10-22T11:00:00.000Z	16 \| good	2.535 \| good	10.605 \| good	5.755 \| good	0.971 \| good	10.559 \| good	0.442 \| good
2026-10-22T12:00:00.000Z	10 \| good	1.274 \| good	3.846 \| good	6.007 \| good	0.983 \| good	10.884 \| good	0.542 \| good
2026-10-22T13:00:00.000Z	12 \| good	1.186 \| good	3.19 \| good	6.048 \| good	0.988 \| good	12.542 \| good	0.595 \| good
2026-10-22T14:00:00.000Z	44 \| good	8.34 \| good	16.577 \| good	7.373 \| good	1.158 \| good	11.358 \| good	0.641 \| good
2026-10-22T15:00:00.000Z	44 \| good	7.629 \| good	29.471 \| good	10.226 \| good	1.149 \| good	11.429 \| good	0.513 \| good
2026-10-22T16:00:00.000Z	22 \| good	1.641 \| good	7.24 \| good	23.911 \| good	1.715 \| good	14.786 \| good	0.476 \| good
2026-10-22T17:00:00.000Z	34 \| good	1.445 \| good	6.129 \| good	36.8 \| good	2.115 \| good	17.596 \| good	0.48 \| good
2026-10-22T18:00:00.000Z	37 \| good	4.213 \| good	16.572 \| good	40.302 \| good	1.123 \| good	15.327 \| good	0.362 \| good
2026-10-22T19:00:00.000Z	44 \| good	1.473 \| good	6.878 \| good	47.892 \| good	1.289 \| good	8.621 \| good	0.273 \| good
2026-10-22T20:00:00.000Z	44 \| good	3.356 \| good	21.07 \| good	47.989 \| good	1.574 \| good	9.462 \| good	0.298 \| good
2026-10-22T20:00:00.000Z	44 \| good	3.356 \| good	21.07 \| good	47.989 \| good	1.574 \| good	9.462 \| good	0.298 \| good
2026-10-22T21:00:00.000Z	50 \| good	6.186 \| good	27.214 \| good	54.289 \| good	0.591 \| good	0.545 \| good	0.132 \| good
2026-10-22T22:00:00.000Z	49 \| good	8.902 \| good	39.586 \| good	48.165 \| good	0.592 \| good	1.018 \| good	0.14 \| good
2026-10-22T23:00:00.000Z	54 \| moderate	11.414 \| good	50.317 \| good	38.134 \| good	0.584 \| good	2.335 \| good	0.157 \| good
2026-10-23T00:00:00.000Z	52 \| moderate	10.266 \| good	45.815 \| good	25.55 \| good	0.604 \| good	3.231 \| good	0.169 \| good
2026-10-23T01:00:00.000Z	44 \| good	8.084 \| good	35.598 \| good	14.597 \| good	0.658 \| good	3.102 \| good	0.171 \| good
2026-10-23T02:00:00.000Z	49 \| good	8.907 \| good	39.428 \| good	10.319 \| good	0.715 \| good	2.844 \| good	0.171 \| good
2026-10-23T03:00:00.000Z	49 \| good	9.03 \| good	40.067 \| good	7.86 \| good	0.762 \| good	2.663 \| good	0.172 \| good
2026-10-23T04:00:00.000Z	54 \| moderate	10.818 \| good	47.88 \| good	9.529 \| good	0.791 \| good	2.546 \| good	0.174 \| good
2026-10-23T05:00:00.000Z	54 \| moderate	11.003 \| good	48.71 \| good	9.469 \| good	0.793 \| good	2.394 \| good	0.175 \| good
2026-10-23T06:00:00.000Z	49 \| good	8.903 \| good	39.703 \| good	7.97 \| good	0.771 \| good	2.215 \| good	0.173 \| good
2026-10-23T07:00:00.000Z	52 \| moderate	10.128 \| good	45.052 \| good	9.046 \| good	0.737 \| good	2.079 \| good	0.171 \| good
2026-10-23T08:00:00.000Z	44 \| good	8.167 \| good	36.051 \| good	7.355 \| good	0.706 \| good	2.01 \| good	0.168 \| good
2026-10-23T09:00:00.000Z	49 \| good	8.737 \| good	38.407 \| good	9.435 \| good	0.681 \| good	1.999 \| good	0.166 \| good
2026-10-23T10:00:00.000Z	44 \| good	7.532 \| good	33.185 \| good	10.694 \| good	0.659 \| good	2.058 \| good	0.164 \| good
2026-10-23T11:00:00.000Z	49 \| good	9.381 \| good	41.697 \| good	6.401 \| good	0.64 \| good	2.218 \| good	0.165 \| good
2026-10-23T12:00:00.000Z	44 \| good	7.923 \| good	34.84 \| good	2.339 \| good	0.626 \| good	2.717 \| good	0.17 \| good
2026-10-23T13:00:00.000Z	44 \| good	7.768 \| good	34.583 \| good	11.695 \| good	0.599 \| good	3.022 \| good	0.181 \| good
2026-10-23T14:00:00.000Z	56 \| moderate	11.89 \| good	53.379 \| good	26.156 \| good	0.628 \| good	2.365 \| good	0.183 \| good
2026-10-23T15:00:00.000Z	60 \| moderate	13.764 \| fine	62.079 \| fine	35.681 \| good	0.745 \| good	1.566 \| good	0.177 \| good
2026-10-23T16:00:00.000Z	58 \| moderate	12.708 \| fine	57.197 \| fine	42.765 \| good	0.768 \| good	1.089 \| good	0.174 \| good
2026-10-23T17:00:00.000Z	56 \| moderate	12.442 \| fine	56.005 \| fine	48.654 \| good	0.711 \| good	0.786 \| good	0.171 \| good
2026-10-23T18:00:00.000Z	56 \| moderate	11.576 \| good	51.228 \| good	51.112 \| good	0.637 \| good	0.611 \| good	0.166 \| good
2026-10-23T19:00:00.000Z	56 \| moderate	11.737 \| good	51.547 \| good	52.934 \| good	0.586 \| good	0.558 \| good	0.163 \| good
2026-10-23T20:00:00.000Z	52 \| moderate	9.794 \| good	43.54 \| good	53.032 \| good	0.551 \| good	0.558 \| good	0.16 \| good
2026-10-23T21:00:00.000Z	49 \| good	8.354 \| good	36.631 \| good	52.757 \| good	0.531 \| good	0.625 \| good	0.16 \| good
2026-10-23T22:00:00.000Z	54 \| moderate	10.611 \| good	46.866 \| good	47.172 \| good	0.509 \| good	1.05 \| good	0.165 \| good
2026-10-23T23:00:00.000Z	58 \| moderate	13.323 \| fine	59.403 \| fine	39.435 \| good	0.48 \| good	3.63 \| good	0.197 \| good
2026-10-24T00:00:00.000Z	58 \| moderate	12.709 \| fine	56.827 \| fine	28.209 \| good	0.485 \| good	5.986 \| good	0.228 \| good
2026-10-24T01:00:00.000Z	52 \| moderate	9.944 \| good	43.866 \| good	22.915 \| good	0.495 \| good	6.08 \| good	0.231 \| good
2026-10-24T02:00:00.000Z	56 \| moderate	11.68 \| good	52.101 \| good	16.815 \| good	0.507 \| good	5.565 \| good	0.226 \| good
2026-10-24T03:00:00.000Z	56 \| moderate	11.574 \| good	50.961 \| good	15.236 \| good	0.518 \| good	4.953 \| good	0.22 \| good
2026-10-24T04:00:00.000Z	56 \| moderate	12.162 \| fine	54.695 \| good	16.324 \| good	0.529 \| good	4.543 \| good	0.216 \| good
2026-10-24T05:00:00.000Z	56 \| moderate	12.187 \| fine	54.732 \| good	12.008 \| good	0.542 \| good	4.096 \| good	0.213 \| good
2026-10-24T06:00:00.000Z	52 \| moderate	10.018 \| good	44.348 \| good	11.856 \| good	0.566 \| good	3.408 \| good	0.206 \| good
2026-10-24T07:00:00.000Z	58 \| moderate	12.518 \| fine	56.748 \| fine	12.267 \| good	0.585 \| good	2.879 \| good	0.199 \| good
2026-10-24T08:00:00.000Z	52 \| moderate	9.838 \| good	43.926 \| good	11.826 \| good	0.586 \| good	2.635 \| good	0.194 \| good
2026-10-24T09:00:00.000Z	52 \| moderate	10.474 \| good	46.442 \| good	11.816 \| good	0.577 \| good	2.543 \| good	0.189 \| good
2026-10-24T10:00:00.000Z	49 \| good	8.588 \| good	37.742 \| good	14.431 \| good	0.566 \| good	2.537 \| good	0.186 \| good
2026-10-24T11:00:00.000Z	52 \| moderate	10.081 \| good	44.766 \| good	11.496 \| good	0.562 \| good	2.606 \| good	0.184 \| good
2026-10-24T12:00:00.000Z	49 \| good	8.788 \| good	38.716 \| good	11.269 \| good	0.564 \| good	2.935 \| good	0.185 \| good
2026-10-24T13:00:00.000Z	44 \| good	7.694 \| good	33.933 \| good	23.468 \| good	0.556 \| good	3.016 \| good	0.19 \| good
2026-10-24T14:00:00.000Z	60 \| moderate	13.849 \| fine	62.28 \| fine	35.228 \| good	0.584 \| good	2.467 \| good	0.191 \| good
2026-10-24T15:00:00.000Z	56 \| moderate	11.805 \| good	52.723 \| good	40.952 \| good	0.644 \| good	1.772 \| good	0.188 \| good
2026-10-24T16:00:00.000Z	54 \| moderate	10.902 \| good	48.327 \| good	43.526 \| good	0.629 \| good	1.024 \| good	0.182 \| good
2026-10-24T17:00:00.000Z	56 \| moderate	12.413 \| fine	56.073 \| fine	43.995 \| good	0.578 \| good	0.646 \| good	0.175 \| good
2026-10-24T18:00:00.000Z	56 \| moderate	12.034 \| good	54.129 \| good	44.847 \| good	0.548 \| good	0.519 \| good	0.171 \| good
2026-10-24T19:00:00.000Z	54 \| moderate	11.189 \| good	49.636 \| good	49.192 \| good	0.544 \| good	0.474 \| good	0.169 \| good
2026-10-24T20:00:00.000Z	52 \| moderate	9.769 \| good	43.561 \| good	52.792 \| good	0.555 \| good	0.472 \| good	0.169 \| good

Decatur

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Decatur, Alabama air quality map: Track AQI near you

0.28ppm

How accurate is Alabama, USA air quality data?

Air quality data and pollutant measurements for Alabama, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.

Source: Ambee Data Sources

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Frequently asked questions

How often is the air quality data for Decatur, Alabama updated?

The air quality for Decatur, Alabama is updated every hour.

When was the worst air quality at Decatur, Alabama in the last 24 hrs?

The worst air quality in Decatur, Alabama in the last 24 hours was observed at 09:00:00 on 2026-10-21.

When was the best air quality at Decatur, Alabama in the last 24 hrs?

In the last 24 hrs, the best air quality in Decatur, Alabama was observed at 12:00:00 on 2026-10-22.

What is the current air quality in Decatur, Alabama?

The current air quality in Decatur, Alabama is 44, categorized as Good based on real-time data.

What pollutant is the most common in Decatur, Alabama?

The most common pollutant in Decatur, Alabama is O3.

What should I do if the air quality in Decatur, Alabama is poor?

If the air quality in Decatur, Alabama is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Decatur, Alabama?

The current PM_2.5 concentration at Decatur, Alabama is 3.356 μg/m³.

What is the current concentration of PM₁₀ in Decatur, Alabama?

The current PM₁₀ concentration at Decatur, Alabama is 21.07 μg/m³.

What is the current concentration of carbon monoxide (CO) in Decatur, Alabama?

The current carbon monoxide (CO) concentration at Decatur, Alabama is 0.298 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Decatur, Alabama?

The current sulfur dioxide (SO₂) concentration at Decatur, Alabama is 1.574 ppb.

What is the current concentration of ozone (O₃) in Decatur, Alabama?

The current ozone (O₃) concentration at Decatur, Alabama is 47.989 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Decatur, Alabama?

The current nitrogen dioxide (NO₂) concentration at Decatur, Alabama is 9.462 ppb.

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