What are the current PM10 levels at Watertown, South Dakota?

The current PM10 levels in Watertown, South Dakota are 12.999 μg/m3.

What are the current sulfur dioxide (SO2) levels at Watertown, South Dakota?

The current sulfur dioxide (SO2) levels in Watertown, South Dakota are 1.264 ppb.

What are the current ozone (O3) levels at Watertown, South Dakota?

The current ozone (O3) levels at Watertown, South Dakota is 28 ppm.

What are the current nitrogen dioxide (NO2) levels at Watertown, South Dakota?

The current nitrogen dioxide (NO2) levels at Watertown, South Dakota is 3.107 ppb.

Real-time air quality index in Watertown, South Dakota today

Q: What are the current PM2.5 levels in Watertown, South Dakota?

The measured PM2.5 levels in Watertown, South Dakota at present are 6.399 μg/m3.

Stay updated with real-time air quality in Watertown, South Dakota 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

Watertown, South Dakota

Last updated: ... (Local time)

Common air pollutants in Watertown, South Dakota

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

6.40 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

13.00 μg/m³

155

255

425

605+

Ozone (O₃)

28.00 ppb

201

201+

Sulfur Dioxide (SO₂)

1.26 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.11 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.22 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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Watertown, South Dakota

Scroll To Air Quality Map

Track live Watertown, South Dakota air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-06-06T12:00:00.000Z	54 \| moderate	10.899 \| good	17.999 \| good	22.998 \| good	1.204 \| good	12.203 \| good	0.439 \| good
2026-06-06T13:00:00.000Z	56 \| moderate	12.198 \| fine	19.998 \| good	19.999 \| good	1.201 \| good	11.607 \| good	0.44 \| good
2026-06-06T14:00:00.000Z	49 \| good	9.299 \| good	16.999 \| good	27.999 \| good	1.214 \| good	6.503 \| good	0.319 \| good
2026-06-06T15:00:00.000Z	33 \| good	6.5 \| good	19.998 \| good	28.001 \| good	1.002 \| good	5.991 \| good	0.299 \| good
2026-06-06T16:00:00.000Z	34 \| good	5.9 \| good	17.999 \| good	37 \| good	1.085 \| good	4.622 \| good	0.279 \| good
2026-06-06T17:00:00.000Z	41 \| good	5.9 \| good	17.999 \| good	44 \| good	1.075 \| good	4.784 \| good	0.299 \| good
2026-06-06T18:00:00.000Z	44 \| good	7.399 \| good	15.999 \| good	48 \| good	1.043 \| good	4.112 \| good	0.28 \| good
2026-06-06T19:00:00.000Z	47 \| good	5.199 \| good	14.999 \| good	51.001 \| good	1.115 \| good	3.842 \| good	0.279 \| good
2026-06-06T20:00:00.000Z	50 \| good	5.699 \| good	21.997 \| good	54 \| good	1.606 \| good	3.432 \| good	0.3 \| good
2026-06-06T21:00:00.000Z	61 \| moderate	6.199 \| good	18.998 \| good	58 \| fine	1.412 \| good	3.586 \| good	0.279 \| good
2026-06-06T22:00:00.000Z	58 \| moderate	4.6 \| good	15.999 \| good	57 \| fine	1.094 \| good	3.619 \| good	0.259 \| good
2026-06-06T23:00:00.000Z	61 \| moderate	3.8 \| good	14.999 \| good	58 \| fine	1.234 \| good	3.583 \| good	0.259 \| good
2026-06-07T00:00:00.000Z	67 \| moderate	4.4 \| good	12 \| good	60 \| fine	1.023 \| good	3.838 \| good	0.279 \| good
2026-06-07T01:00:00.000Z	64 \| moderate	5.599 \| good	13 \| good	59 \| fine	1.096 \| good	3.356 \| good	0.319 \| good
2026-06-07T02:00:00.000Z	71 \| moderate	4.9 \| good	15 \| good	60.999 \| fine	1.263 \| good	3.237 \| good	0.319 \| good
2026-06-07T03:00:00.000Z	61 \| moderate	4.9 \| good	15 \| good	57.999 \| fine	1.06 \| good	4.175 \| good	0.338 \| good
2026-06-07T04:00:00.000Z	58 \| moderate	6.299 \| good	14 \| good	56.999 \| fine	1.114 \| good	4.279 \| good	0.338 \| good
2026-06-07T05:00:00.000Z	51 \| moderate	6.299 \| good	19.999 \| good	54.999 \| good	1.249 \| good	5.758 \| good	0.299 \| good
2026-06-07T06:00:00.000Z	47 \| good	5 \| good	19.999 \| good	50.999 \| good	1.268 \| good	4.431 \| good	0.279 \| good
2026-06-07T07:00:00.000Z	44 \| good	4.9 \| good	16 \| good	47.999 \| good	1.215 \| good	3.882 \| good	0.24 \| good
2026-06-07T08:00:00.000Z	44 \| good	5.7 \| good	19.002 \| good	47.999 \| good	1.25 \| good	3.943 \| good	0.239 \| good
2026-06-07T09:00:00.000Z	46 \| good	3.6 \| good	15.001 \| good	49.999 \| good	1.215 \| good	3.876 \| good	0.239 \| good
2026-06-07T10:00:00.000Z	43 \| good	4.4 \| good	16 \| good	45.999 \| good	1.18 \| good	3.823 \| good	0.199 \| good
2026-06-07T11:00:00.000Z	43 \| good	4.6 \| good	15 \| good	45.999 \| good	1.198 \| good	4.27 \| good	0.199 \| good
2026-06-07T12:00:00.000Z	41 \| good	4.6 \| good	15 \| good	43.999 \| good	1.181 \| good	4.581 \| good	0.179 \| good
2026-06-07T13:00:00.000Z	36 \| good	5 \| good	13 \| good	39 \| good	1.199 \| good	4.23 \| good	0.22 \| good
2026-06-07T14:00:00.000Z	33 \| good	5.1 \| good	19.998 \| good	36 \| good	1.031 \| good	4.042 \| good	0.219 \| good
2026-06-07T15:00:00.000Z	31 \| good	4 \| good	19.998 \| good	34 \| good	1.134 \| good	3.943 \| good	0.239 \| good
2026-06-07T16:00:00.000Z	31 \| good	4 \| good	19.998 \| good	33 \| good	1.136 \| good	4.009 \| good	0.259 \| good
2026-06-07T17:00:00.000Z	44 \| good	7.999 \| good	35.996 \| good	34 \| good	1.101 \| good	3.398 \| good	0.259 \| good
2026-06-07T18:00:00.000Z	38 \| good	7.099 \| good	34.996 \| good	35 \| good	1.269 \| good	3.38 \| good	0.319 \| good
2026-06-07T19:00:00.000Z	37 \| good	5.399 \| good	39.995 \| good	38 \| good	1.287 \| good	3.074 \| good	0.319 \| good
2026-06-07T20:00:00.000Z	42 \| good	4.499 \| good	44.994 \| good	41 \| good	1.169 \| good	2.847 \| good	0.359 \| good
2026-06-07T21:00:00.000Z	42 \| good	3.999 \| good	44.994 \| good	41.999 \| good	1.304 \| good	2.774 \| good	0.299 \| good
2026-06-07T22:00:00.000Z	40 \| good	3.3 \| good	32.996 \| good	42.999 \| good	1.322 \| good	3.067 \| good	0.299 \| good
2026-06-07T23:00:00.000Z	40 \| good	3.3 \| good	32.996 \| good	42.999 \| good	1.268 \| good	3.08 \| good	0.299 \| good
2026-06-08T00:00:00.000Z	39 \| good	4.399 \| good	25.997 \| good	42 \| good	1.187 \| good	3.273 \| good	0.339 \| good
2026-06-08T01:00:00.000Z	37 \| good	3.6 \| good	23.997 \| good	40 \| good	1.32 \| good	3.031 \| good	0.279 \| good
2026-06-08T02:00:00.000Z	34 \| good	2.9 \| good	16.998 \| good	37 \| good	1.265 \| good	2.616 \| good	0.259 \| good
2026-06-08T03:00:00.000Z	43 \| good	6.584 \| good	29.451 \| good	45.611 \| good	0.055 \| good	1.313 \| good	0.117 \| good
2026-06-08T04:00:00.000Z	32 \| good	3.8 \| good	11.999 \| good	35 \| good	1.067 \| good	3.073 \| good	0.239 \| good
2026-06-08T05:00:00.000Z	30 \| good	3.8 \| good	11.999 \| good	32 \| good	1.945 \| good	2.402 \| good	0.219 \| good
2026-06-08T06:00:00.000Z	30 \| good	4.499 \| good	10.999 \| good	32 \| good	1.909 \| good	2.341 \| good	0.219 \| good
2026-06-08T07:00:00.000Z	27 \| good	4.499 \| good	10.999 \| good	29 \| good	1.909 \| good	2.219 \| good	0.22 \| good
2026-06-08T08:00:00.000Z	27 \| good	4.599 \| good	10.999 \| good	27.001 \| good	1.181 \| good	2.603 \| good	0.219 \| good
2026-06-08T09:00:00.000Z	33 \| good	6.499 \| good	9.999 \| good	27.001 \| good	1.185 \| good	2.721 \| good	0.219 \| good
2026-06-08T10:00:00.000Z	33 \| good	6.399 \| good	12.999 \| good	28 \| good	1.264 \| good	3.107 \| good	0.219 \| good
2026-06-08T11:00:00.000Z	38 \| good	6.799 \| good	13.999 \| good	29 \| good	1.408 \| good	4.343 \| good	0.239 \| good
2026-06-08T11:00:00.000Z	33 \| good	6.399 \| good	12.999 \| good	28 \| good	1.264 \| good	3.107 \| good	0.219 \| good
2026-06-08T12:00:00.000Z	32 \| good	4.989 \| good	21.09 \| good	35.017 \| good	0.154 \| good	1.653 \| good	0.128 \| good
2026-06-08T13:00:00.000Z	31 \| good	3.435 \| good	15.04 \| good	34.287 \| good	0.158 \| good	1.332 \| good	0.125 \| good
2026-06-08T14:00:00.000Z	39 \| good	1.962 \| good	8 \| good	41.944 \| good	0.149 \| good	1.114 \| good	0.122 \| good
2026-06-08T15:00:00.000Z	44 \| good	3.996 \| good	17.398 \| good	47.197 \| good	0.137 \| good	0.973 \| good	0.12 \| good
2026-06-08T16:00:00.000Z	46 \| good	7.26 \| good	32 \| good	49.682 \| good	0.129 \| good	0.876 \| good	0.119 \| good
2026-06-08T17:00:00.000Z	48 \| good	5.015 \| good	21.839 \| good	51.645 \| good	0.122 \| good	0.637 \| good	0.117 \| good
2026-06-08T18:00:00.000Z	49 \| good	4.366 \| good	19 \| good	53.429 \| good	0.109 \| good	0.462 \| good	0.116 \| good
2026-06-08T19:00:00.000Z	46 \| good	6.102 \| good	27 \| good	49.955 \| good	0.096 \| good	0.391 \| good	0.114 \| good
2026-06-08T20:00:00.000Z	44 \| good	5.298 \| good	22.933 \| good	46.606 \| good	0.085 \| good	0.372 \| good	0.113 \| good
2026-06-08T21:00:00.000Z	45 \| good	4.989 \| good	21.485 \| good	48.587 \| good	0.08 \| good	0.414 \| good	0.112 \| good
2026-06-08T22:00:00.000Z	50 \| good	5.303 \| good	23 \| good	53.896 \| good	0.077 \| good	0.542 \| good	0.111 \| good
2026-06-08T23:00:00.000Z	54 \| moderate	3.851 \| good	16.646 \| good	55.96 \| fine	0.072 \| good	0.726 \| good	0.111 \| good
2026-06-09T00:00:00.000Z	49 \| good	4.355 \| good	18.979 \| good	53.381 \| good	0.06 \| good	0.807 \| good	0.111 \| good
2026-06-09T01:00:00.000Z	48 \| good	4.334 \| good	18.885 \| good	51.603 \| good	0.05 \| good	1.023 \| good	0.112 \| good
2026-06-09T02:00:00.000Z	44 \| good	5.34 \| good	23.002 \| good	47.331 \| good	0.047 \| good	1.607 \| good	0.113 \| good
2026-06-09T03:00:00.000Z	49 \| good	9.294 \| good	41.726 \| good	41.089 \| good	0.059 \| good	3.675 \| good	0.119 \| good
2026-06-09T04:00:00.000Z	52 \| moderate	9.584 \| good	42.464 \| good	35.804 \| good	0.063 \| good	5.06 \| good	0.123 \| good
2026-06-09T05:00:00.000Z	56 \| moderate	11.979 \| good	53.839 \| good	35.287 \| good	0.052 \| good	4.829 \| good	0.123 \| good
2026-06-09T06:00:00.000Z	52 \| moderate	10.132 \| good	44.908 \| good	30.498 \| good	0.051 \| good	4.568 \| good	0.123 \| good
2026-06-09T07:00:00.000Z	52 \| moderate	10.476 \| good	46.481 \| good	32.759 \| good	0.034 \| good	4.217 \| good	0.123 \| good
2026-06-09T08:00:00.000Z	49 \| good	8.647 \| good	37.939 \| good	33.519 \| good	0.027 \| good	4.066 \| good	0.123 \| good
2026-06-09T09:00:00.000Z	44 \| good	7.705 \| good	34.033 \| good	39.865 \| good	0.023 \| good	3.958 \| good	0.123 \| good
2026-06-09T10:00:00.000Z	56 \| moderate	11.843 \| good	52.209 \| good	26.532 \| good	0.025 \| good	3.999 \| good	0.124 \| good
2026-06-09T11:00:00.000Z	49 \| good	8.84 \| good	38.606 \| good	37.622 \| good	0.035 \| good	4.052 \| good	0.124 \| good
2026-06-09T12:00:00.000Z	44 \| good	7.799 \| good	34.112 \| good	40.935 \| good	0.056 \| good	3.658 \| good	0.125 \| good
2026-06-09T13:00:00.000Z	37 \| good	6.144 \| good	27.099 \| good	40.115 \| good	0.066 \| good	3.017 \| good	0.126 \| good
2026-06-09T14:00:00.000Z	41 \| good	4.76 \| good	20.883 \| good	44.494 \| good	0.143 \| good	2.487 \| good	0.126 \| good
2026-06-09T15:00:00.000Z	44 \| good	7.241 \| good	31.933 \| good	46.929 \| good	0.251 \| good	1.842 \| good	0.124 \| good
2026-06-09T16:00:00.000Z	52 \| moderate	9.722 \| good	43.12 \| good	48.484 \| good	0.307 \| good	1.037 \| good	0.121 \| good
2026-06-09T17:00:00.000Z	51 \| moderate	7.502 \| good	33.004 \| good	54.814 \| good	0.376 \| good	0.557 \| good	0.118 \| good
2026-06-09T18:00:00.000Z	71 \| moderate	7.742 \| good	34.067 \| good	61.492 \| fine	0.361 \| good	0.387 \| good	0.115 \| good
2026-06-09T19:00:00.000Z	87 \| moderate	11.15 \| good	49.508 \| good	66.473 \| fine	0.3 \| good	0.321 \| good	0.114 \| good
2026-06-09T20:00:00.000Z	84 \| moderate	12.098 \| good	54.862 \| good	64.532 \| fine	0.255 \| good	0.302 \| good	0.116 \| good
2026-06-09T21:00:00.000Z	67 \| moderate	12.76 \| fine	57 \| fine	60.251 \| fine	0.237 \| good	0.311 \| good	0.118 \| good
2026-06-09T22:00:00.000Z	90 \| moderate	12.72 \| fine	57 \| fine	66.636 \| fine	0.243 \| good	0.359 \| good	0.12 \| good
2026-06-09T23:00:00.000Z	87 \| moderate	10.083 \| good	44.929 \| good	66.242 \| fine	0.249 \| good	0.459 \| good	0.122 \| good
2026-06-10T00:00:00.000Z	93 \| moderate	8.283 \| good	36.478 \| good	68.373 \| fine	0.256 \| good	0.584 \| good	0.123 \| good
2026-06-10T01:00:00.000Z	101 \| sensitive	6.964 \| good	30.862 \| good	71.456 \| moderate	0.275 \| good	0.79 \| good	0.124 \| good
2026-06-10T02:00:00.000Z	67 \| moderate	4.354 \| good	18.935 \| good	59.708 \| fine	0.32 \| good	1.031 \| good	0.125 \| good
2026-06-10T03:00:00.000Z	64 \| moderate	4.662 \| good	20.304 \| good	59.1 \| fine	0.334 \| good	1.23 \| good	0.126 \| good
2026-06-10T04:00:00.000Z	51 \| moderate	6.693 \| good	29.933 \| good	54.626 \| good	0.274 \| good	1.501 \| good	0.126 \| good
2026-06-10T05:00:00.000Z	46 \| good	4.318 \| good	18.975 \| good	50.068 \| good	0.212 \| good	1.801 \| good	0.125 \| good
2026-06-10T06:00:00.000Z	35 \| good	3.837 \| good	4.247 \| good	37.751 \| good	0.181 \| good	2.247 \| good	0.126 \| good
2026-06-10T07:00:00.000Z	33 \| good	3.026 \| good	12 \| good	36.302 \| good	0.171 \| good	3.072 \| good	0.127 \| good
2026-06-10T08:00:00.000Z	43 \| good	5.746 \| good	24.682 \| good	45.552 \| good	0.145 \| good	3.915 \| good	0.128 \| good
2026-06-10T09:00:00.000Z	37 \| good	6.181 \| good	27.581 \| good	40.36 \| good	0.154 \| good	3.374 \| good	0.127 \| good
2026-06-10T10:00:00.000Z	48 \| good	8.247 \| good	36.084 \| good	52.094 \| good	0.177 \| good	2.731 \| good	0.126 \| good
2026-06-10T11:00:00.000Z	43 \| good	7.104 \| good	31.434 \| good	46.261 \| good	0.163 \| good	2.281 \| good	0.126 \| good

Watertown

Empower business decisions with accurate air quality data

Watertown, South Dakota air quality map: Real-time AQI near you

0.20ppm

How accurate is South Dakota, USA air quality data?

Air quality measurements for South Dakota, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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Frequently asked questions

How frequently is the air quality data for Watertown, South Dakota updated?

Air quality data for Watertown, South Dakota is updated on an hourly basis.

When did Watertown, South Dakota experience the worst air quality in the last 24 hours?

The worst air quality in Watertown, South Dakota was recorded at 05:00:00 on 2026-06-07.

When did Watertown, South Dakota have its best air quality in the last 24 hours?

The best air quality in Watertown, South Dakota was recorded at 08:00:00 on 2026-06-08.

What is the real-time air quality index for Watertown, South Dakota?

The real-time air quality index in Watertown, South Dakota is 33, currently categorized as Good.

Which pollutant is found most often in Watertown, South Dakota?

The most common pollutant in Watertown, South Dakota is PM2.5.

What can I do if the air quality in Watertown, South Dakota is poor?

If the air quality in Watertown, South Dakota is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Watertown, South Dakota?

The measured PM_2.5 levels in Watertown, South Dakota at present are 6.399 μg/m³.

What are the current PM₁₀ levels at Watertown, South Dakota?

The current PM₁₀ levels in Watertown, South Dakota are 12.999 μg/m³.

What are the current carbon monoxide (CO) levels at Watertown, South Dakota?

The current carbon monoxide (CO) level in Watertown, South Dakota is 0.219 ppm.

What are the current sulfur dioxide (SO₂) levels at Watertown, South Dakota?

The current sulfur dioxide (SO₂) levels in Watertown, South Dakota are 1.264 ppb.

What are the current ozone (O₃) levels at Watertown, South Dakota?

The current ozone (O₃) levels at Watertown, South Dakota is 28 ppm.

What are the current nitrogen dioxide (NO₂) levels at Watertown, South Dakota?

The current nitrogen dioxide (NO₂) levels at Watertown, South Dakota is 3.107 ppb.

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