What is the sulfur dioxide (SO2) level in Watertown, Wisconsin at the moment?

Currently, Watertown, Wisconsin has a sulfur dioxide (SO2) concentration of 0.243 ppb.

What is the ozone (O3) level in Watertown, Wisconsin at the moment?

The current ozone (O3) level in Watertown, Wisconsin at the moment is 25.72 ppm.

What is the nitrogen dioxide (NO2) level in Watertown, Wisconsin at the moment?

Nitrogen dioxide (NO2) level in Watertown, Wisconsin at the moment is 13.426 ppb.

Real-time air quality index in Watertown, Wisconsin today

Name: Live air pollution levels in Watertown, Wisconsin today
Creator: Ambee

Stay updated with real-time air quality in Watertown, Wisconsin 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)

105

Unhealthy for sensitive groups

Watertown, Wisconsin

Last updated: ... (Local time)

Major air pollutants in Watertown, Wisconsin

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

36.54 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

125.19 μg/m³

155

255

425

605+

Ozone (O₃)

25.72 ppb

201

201+

Sulfur Dioxide (SO₂)

0.24 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

13.43 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.29 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, Wisconsin

Scroll To Air Quality Map

Track live Watertown, Wisconsin air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-04T22:00:00.000Z	129 \| sensitive	46.599 \| moderate	131.24 \| fine	43.514 \| good	0.362 \| good	2.253 \| good	0.274 \| good
2025-06-04T23:00:00.000Z	134 \| sensitive	49.209 \| moderate	192.412 \| moderate	38.364 \| good	0.34 \| good	2.172 \| good	0.274 \| good
2025-06-05T00:00:00.000Z	110 \| sensitive	38.663 \| moderate	48.197 \| good	43.03 \| good	0.268 \| good	2.952 \| good	0.269 \| good
2025-06-05T01:00:00.000Z	92 \| moderate	31.18 \| fine	66.413 \| fine	45.035 \| good	0.254 \| good	4.268 \| good	0.352 \| good
2025-06-05T02:00:00.000Z	97 \| moderate	34.199 \| fine	86.914 \| fine	37.397 \| good	0.272 \| good	12.679 \| good	0.46 \| good
2025-06-05T03:00:00.000Z	107 \| sensitive	38.117 \| moderate	73.011 \| fine	33.301 \| good	0.258 \| good	11.796 \| good	0.462 \| good
2025-06-05T04:00:00.000Z	107 \| sensitive	38.246 \| moderate	51.668 \| good	25.472 \| good	0.285 \| good	30.092 \| good	0.492 \| good
2025-06-05T05:00:00.000Z	112 \| sensitive	39.894 \| moderate	53.84 \| good	23.272 \| good	0.201 \| good	25.054 \| good	0.471 \| good
2025-06-05T06:00:00.000Z	115 \| sensitive	41.433 \| moderate	101.167 \| fine	18.606 \| good	0.212 \| good	16.482 \| good	0.471 \| good
2025-06-05T07:00:00.000Z	115 \| sensitive	40.996 \| moderate	108.949 \| fine	15.536 \| good	0.329 \| good	22.426 \| good	0.45 \| good
2025-06-05T08:00:00.000Z	112 \| sensitive	39.931 \| moderate	114.276 \| fine	17.346 \| good	0.237 \| good	20.984 \| good	0.434 \| good
2025-06-05T09:00:00.000Z	117 \| sensitive	42.162 \| moderate	95.132 \| fine	21.015 \| good	0.218 \| good	13.831 \| good	0.455 \| good
2025-06-05T10:00:00.000Z	119 \| sensitive	43.011 \| moderate	74.859 \| fine	14.531 \| good	0.255 \| good	16.1 \| good	0.447 \| good
2025-06-05T11:00:00.000Z	124 \| sensitive	45.271 \| moderate	80.821 \| fine	22.045 \| good	0.306 \| good	19.494 \| good	0.496 \| good
2025-06-05T12:00:00.000Z	112 \| sensitive	40.438 \| moderate	89.828 \| fine	25.567 \| good	0.285 \| good	19.318 \| good	0.496 \| good
2025-06-05T13:00:00.000Z	122 \| sensitive	44.288 \| moderate	150.164 \| fine	14.365 \| good	0.261 \| good	9.061 \| good	0.454 \| good
2025-06-05T14:00:00.000Z	96 \| moderate	32.579 \| fine	104.096 \| fine	24.9 \| good	0.407 \| good	3.918 \| good	0.407 \| good
2025-06-05T15:00:00.000Z	129 \| sensitive	46.957 \| moderate	150.921 \| fine	32.537 \| good	0.441 \| good	1.957 \| good	0.344 \| good
2025-06-05T16:00:00.000Z	151 \| unhealthy	55.914 \| poor	243.154 \| moderate	33.927 \| good	0.495 \| good	3.492 \| good	0.344 \| good
2025-06-05T17:00:00.000Z	134 \| sensitive	48.953 \| moderate	160.297 \| moderate	41.626 \| good	0.914 \| good	2.707 \| good	0.28 \| good
2025-06-05T18:00:00.000Z	139 \| sensitive	50.899 \| moderate	183.38 \| moderate	46.048 \| good	0.514 \| good	1.832 \| good	0.275 \| good
2025-06-05T19:00:00.000Z	90 \| moderate	29.882 \| fine	80.183 \| fine	51.712 \| good	0.544 \| good	1.905 \| good	0.249 \| good
2025-06-05T20:00:00.000Z	88 \| moderate	28.728 \| fine	72.545 \| fine	54.287 \| good	0.441 \| good	2.563 \| good	0.244 \| good
2025-06-05T21:00:00.000Z	159 \| unhealthy	67.321 \| poor	246.732 \| moderate	56.098 \| fine	0.449 \| good	2.425 \| good	0.232 \| good
2025-06-05T22:00:00.000Z	147 \| sensitive	53.909 \| moderate	190.87 \| moderate	54.796 \| good	0.255 \| good	2.461 \| good	0.232 \| good
2025-06-05T23:00:00.000Z	104 \| sensitive	33.764 \| fine	160.911 \| moderate	53.837 \| good	0.326 \| good	2.816 \| good	0.226 \| good
2025-06-06T00:00:00.000Z	103 \| sensitive	34.296 \| fine	159.515 \| moderate	56.333 \| fine	0.403 \| good	2.883 \| good	0.233 \| good
2025-06-06T01:00:00.000Z	129 \| sensitive	40.96 \| moderate	211.052 \| moderate	55.644 \| fine	0.508 \| good	6.824 \| good	0.233 \| good
2025-06-06T02:00:00.000Z	117 \| sensitive	42.296 \| moderate	154.488 \| fine	47.759 \| good	0.263 \| good	6.63 \| good	0.24 \| good
2025-06-06T03:00:00.000Z	114 \| sensitive	39.73 \| moderate	182.044 \| moderate	44.883 \| good	0.69 \| good	4.967 \| good	0.245 \| good
2025-06-06T04:00:00.000Z	97 \| moderate	34.191 \| fine	136.984 \| fine	38.882 \| good	0.242 \| good	10.496 \| good	0.238 \| good
2025-06-06T05:00:00.000Z	97 \| moderate	33.833 \| fine	146.142 \| fine	42.54 \| good	0.472 \| good	5.157 \| good	0.265 \| good
2025-06-06T06:00:00.000Z	92 \| moderate	30.857 \| fine	73.495 \| fine	29.677 \| good	0.423 \| good	3.231 \| good	0.27 \| good
2025-06-06T07:00:00.000Z	109 \| sensitive	31.601 \| fine	172.139 \| moderate	33.337 \| good	0.258 \| good	10.309 \| good	0.259 \| good
2025-06-06T08:00:00.000Z	82 \| moderate	25.815 \| fine	63.052 \| fine	27.05 \| good	0.211 \| good	7.189 \| good	0.266 \| good
2025-06-06T09:00:00.000Z	102 \| sensitive	35.797 \| moderate	140.474 \| fine	25.149 \| good	0.272 \| good	8.423 \| good	0.266 \| good
2025-06-06T10:00:00.000Z	105 \| sensitive	37.267 \| moderate	81.993 \| fine	28.063 \| good	0.303 \| good	12.659 \| good	0.266 \| good
2025-06-06T11:00:00.000Z	105 \| sensitive	36.543 \| moderate	125.185 \| fine	25.72 \| good	0.243 \| good	13.426 \| good	0.286 \| good
2025-06-06T12:00:00.000Z	112 \| sensitive	39.362 \| moderate	178.204 \| moderate	28.106 \| good	0.306 \| good	10.196 \| good	0.276 \| good
2025-06-06T13:00:00.000Z	115 \| sensitive	37.477 \| moderate	183.552 \| moderate	34.085 \| good	0.337 \| good	7.478 \| good	0.255 \| good
2025-06-06T14:00:00.000Z	81 \| moderate	25.485 \| fine	81.891 \| fine	40.617 \| good	0.381 \| good	9.911 \| good	0.332 \| good
2025-06-06T15:00:00.000Z	90 \| moderate	30.105 \| fine	122.189 \| fine	41.682 \| good	0.346 \| good	2.657 \| good	0.277 \| good
2025-06-06T16:00:00.000Z	88 \| moderate	28.506 \| fine	120.628 \| fine	43.235 \| good	0.314 \| good	3.337 \| good	0.229 \| good
2025-06-06T17:00:00.000Z	102 \| sensitive	36.045 \| moderate	138.288 \| fine	44.02 \| good	0.381 \| good	2.949 \| good	0.223 \| good
2025-06-06T18:00:00.000Z	92 \| moderate	31.5 \| fine	126.891 \| fine	53.079 \| good	0.359 \| good	2.112 \| good	0.223 \| good
2025-06-06T19:00:00.000Z	94 \| moderate	31.81 \| fine	123.645 \| fine	57.62 \| fine	0.416 \| good	3.017 \| good	0.211 \| good
2025-06-06T20:00:00.000Z	81 \| moderate	24.715 \| fine	97.343 \| fine	58.032 \| fine	0.341 \| good	1.956 \| good	0.211 \| good
2025-06-06T21:00:00.000Z	74 \| moderate	21.204 \| fine	93.995 \| fine	61.72 \| fine	0.361 \| good	1.668 \| good	0.211 \| good
2025-06-06T11:00:00.000Z	105 \| sensitive	36.543 \| moderate	125.185 \| fine	25.72 \| good	0.243 \| good	13.426 \| good	0.286 \| good
2025-06-06T12:00:00.000Z	110 \| sensitive	39.31 \| moderate	173.043 \| moderate	17.482 \| good	0.388 \| good	7.286 \| good	0.237 \| good
2025-06-06T13:00:00.000Z	97 \| moderate	33.632 \| fine	144.982 \| fine	22.827 \| good	0.452 \| good	4.62 \| good	0.238 \| good
2025-06-06T14:00:00.000Z	84 \| moderate	26.762 \| fine	116.702 \| fine	28.487 \| good	0.472 \| good	4.397 \| good	0.234 \| good
2025-06-06T15:00:00.000Z	75 \| moderate	21.705 \| fine	94.828 \| fine	33.932 \| good	0.492 \| good	4.174 \| good	0.231 \| good
2025-06-06T16:00:00.000Z	71 \| moderate	20.226 \| fine	88.753 \| fine	38.53 \| good	0.412 \| good	0.957 \| good	0.189 \| good
2025-06-06T17:00:00.000Z	69 \| moderate	19.205 \| fine	84.69 \| fine	41.453 \| good	0.444 \| good	0.97 \| good	0.188 \| good
2025-06-06T18:00:00.000Z	71 \| moderate	19.682 \| fine	86.611 \| fine	42.544 \| good	0.475 \| good	0.984 \| good	0.187 \| good
2025-06-06T19:00:00.000Z	69 \| moderate	19.452 \| fine	86.513 \| fine	43.128 \| good	0.334 \| good	0.768 \| good	0.181 \| good
2025-06-06T20:00:00.000Z	67 \| moderate	17.719 \| fine	78.701 \| fine	42.892 \| good	0.38 \| good	0.794 \| good	0.18 \| good
2025-06-06T21:00:00.000Z	66 \| moderate	16.717 \| fine	74.813 \| fine	43.031 \| good	0.427 \| good	0.821 \| good	0.179 \| good
2025-06-06T22:00:00.000Z	62 \| moderate	15.071 \| fine	67.11 \| fine	44.707 \| good	0.315 \| good	2.893 \| good	0.194 \| good
2025-06-06T23:00:00.000Z	64 \| moderate	16.009 \| fine	70.985 \| fine	47.327 \| good	0.353 \| good	2.865 \| good	0.192 \| good
2025-06-07T00:00:00.000Z	73 \| moderate	20.92 \| fine	92.54 \| fine	48.848 \| good	0.392 \| good	2.837 \| good	0.19 \| good
2025-06-07T01:00:00.000Z	69 \| moderate	18.707 \| fine	82.836 \| fine	40.667 \| good	0.507 \| good	10.202 \| good	0.24 \| good
2025-06-07T02:00:00.000Z	56 \| moderate	11.536 \| good	51.45 \| good	34.52 \| good	0.552 \| good	10.409 \| good	0.238 \| good
2025-06-07T03:00:00.000Z	52 \| moderate	9.83 \| good	44.063 \| good	34.253 \| good	0.598 \| good	10.616 \| good	0.237 \| good
2025-06-07T04:00:00.000Z	38 \| good	6.999 \| good	31.143 \| good	30.41 \| good	0.651 \| good	14.54 \| good	0.26 \| good
2025-06-07T05:00:00.000Z	38 \| good	7.166 \| good	32.139 \| good	24.839 \| good	0.692 \| good	14.729 \| good	0.26 \| good
2025-06-07T06:00:00.000Z	38 \| good	6.745 \| good	30.038 \| good	23.526 \| good	0.733 \| good	14.918 \| good	0.26 \| good
2025-06-07T07:00:00.000Z	38 \| good	6.57 \| good	29.047 \| good	23.406 \| good	0.676 \| good	13.388 \| good	0.245 \| good
2025-06-07T08:00:00.000Z	33 \| good	6.392 \| good	28.813 \| good	23.561 \| good	0.663 \| good	12.06 \| good	0.237 \| good
2025-06-07T09:00:00.000Z	33 \| good	6.071 \| good	26.899 \| good	23.375 \| good	0.651 \| good	10.731 \| good	0.228 \| good
2025-06-07T10:00:00.000Z	33 \| good	5.918 \| good	26.789 \| good	25.296 \| good	0.503 \| good	7.054 \| good	0.216 \| good
2025-06-07T11:00:00.000Z	27 \| good	5.278 \| good	22.88 \| good	24.987 \| good	0.46 \| good	6.312 \| good	0.209 \| good
2025-06-07T12:00:00.000Z	27 \| good	4.781 \| good	20.843 \| good	28.88 \| good	0.416 \| good	5.571 \| good	0.202 \| good
2025-06-07T13:00:00.000Z	27 \| good	2.116 \| good	9.029 \| good	29.017 \| good	0.478 \| good	2.514 \| good	0.187 \| good
2025-06-07T14:00:00.000Z	30 \| good	2.235 \| good	9.101 \| good	31.842 \| good	0.454 \| good	2.326 \| good	0.188 \| good
2025-06-07T15:00:00.000Z	32 \| good	2.006 \| good	8.104 \| good	34.878 \| good	0.43 \| good	2.138 \| good	0.19 \| good
2025-06-07T16:00:00.000Z	35 \| good	1.501 \| good	6.148 \| good	37.759 \| good	0.43 \| good	0.744 \| good	0.17 \| good
2025-06-07T17:00:00.000Z	37 \| good	2.462 \| good	10.124 \| good	39.563 \| good	0.452 \| good	0.754 \| good	0.172 \| good
2025-06-07T18:00:00.000Z	37 \| good	5.221 \| good	22.434 \| good	40.291 \| good	0.473 \| good	0.764 \| good	0.174 \| good
2025-06-07T19:00:00.000Z	52 \| moderate	9.612 \| good	42.97 \| good	39.447 \| good	0.326 \| good	0.76 \| good	0.174 \| good
2025-06-07T20:00:00.000Z	44 \| good	8.082 \| good	35.104 \| good	39.246 \| good	0.329 \| good	0.766 \| good	0.175 \| good
2025-06-07T21:00:00.000Z	44 \| good	7.52 \| good	33.055 \| good	38.14 \| good	0.332 \| good	0.773 \| good	0.175 \| good
2025-06-07T22:00:00.000Z	44 \| good	7.699 \| good	33.984 \| good	37.116 \| good	0.33 \| good	3.094 \| good	0.193 \| good
2025-06-07T23:00:00.000Z	33 \| good	5.51 \| good	23.237 \| good	35.51 \| good	0.322 \| good	3.139 \| good	0.192 \| good
2025-06-08T00:00:00.000Z	49 \| good	8.633 \| good	38.113 \| good	38.661 \| good	0.314 \| good	3.185 \| good	0.191 \| good
2025-06-08T01:00:00.000Z	49 \| good	8.655 \| good	38.23 \| good	38.797 \| good	0.417 \| good	5.722 \| good	0.2 \| good
2025-06-08T02:00:00.000Z	44 \| good	8.166 \| good	36.177 \| good	37.279 \| good	0.429 \| good	6.094 \| good	0.202 \| good
2025-06-08T03:00:00.000Z	44 \| good	8.395 \| good	37.152 \| good	36.072 \| good	0.441 \| good	6.467 \| good	0.204 \| good
2025-06-08T04:00:00.000Z	49 \| good	8.937 \| good	39.165 \| good	35.226 \| good	0.453 \| good	5.797 \| good	0.191 \| good
2025-06-08T05:00:00.000Z	52 \| moderate	9.519 \| good	42.891 \| good	32.629 \| good	0.452 \| good	5.92 \| good	0.193 \| good
2025-06-08T06:00:00.000Z	49 \| good	9.293 \| good	9.664 \| good	37.234 \| good	0.452 \| good	6.06 \| good	0.195 \| good
2025-06-08T07:00:00.000Z	44 \| good	8.467 \| good	37.018 \| good	32.535 \| good	0.518 \| good	4.773 \| good	0.178 \| good
2025-06-08T08:00:00.000Z	44 \| good	7.505 \| good	32.932 \| good	35.462 \| good	0.517 \| good	4.659 \| good	0.178 \| good
2025-06-08T09:00:00.000Z	44 \| good	8.019 \| good	35.004 \| good	33.936 \| good	0.517 \| good	4.544 \| good	0.178 \| good
2025-06-08T10:00:00.000Z	62 \| moderate	14.607 \| fine	64.893 \| fine	26.011 \| good	0.517 \| good	4.221 \| good	0.18 \| good
2025-06-08T11:00:00.000Z	66 \| moderate	16.975 \| fine	74.682 \| fine	20.366 \| good	0.509 \| good	4.103 \| good	0.179 \| good

Watertown

Get reliable air quality data to drive your business

Watertown, Wisconsin air quality map: Stay updated on AQI near you

0.31ppm

How accurate is Wisconsin, USA air quality data?

Air quality and pollutant data for Wisconsin, 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 Watertown, Wisconsin?

The air quality information for Watertown, Wisconsin is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Watertown, Wisconsin at its worst?

In the past 24 hours, the air quality in Watertown, Wisconsin was at its worst at 09:00:00 on 2025-06-05.

When did Watertown, Wisconsin experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Watertown, Wisconsin was observed at 08:00:00 on 2025-06-06.

What is the AQI in Watertown, Wisconsin right now?

As of now, the AQI in Watertown, Wisconsin is 105, indicating Unhealthy for Sensitive Groups conditions.

What is the most common type of pollution in Watertown, Wisconsin?

Watertown, Wisconsin air has the highest levels of PM2.5.

What should I do in case of poor air quality in Watertown, Wisconsin?

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

What is the PM_2.5 level in Watertown, Wisconsin at the moment?

PM_2.5 levels in Watertown, Wisconsin are currently 36.543 μg/m³.

What is the PM₁₀ level in Watertown, Wisconsin at the moment?

The PM₁₀ concentration in Watertown, Wisconsin is 125.185 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Watertown, Wisconsin at the moment?

The current carbon monoxide (CO) concentration in Watertown, Wisconsin is 0.286 ppm.

What is the sulfur dioxide (SO₂) level in Watertown, Wisconsin at the moment?

Currently, Watertown, Wisconsin has a sulfur dioxide (SO₂) concentration of 0.243 ppb.

What is the ozone (O₃) level in Watertown, Wisconsin at the moment?

The current ozone (O₃) level in Watertown, Wisconsin at the moment is 25.72 ppm.

What is the nitrogen dioxide (NO₂) level in Watertown, Wisconsin at the moment?

Nitrogen dioxide (NO₂) level in Watertown, Wisconsin at the moment is 13.426 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-04T22:00:00.000Z	129 \| sensitive	46.599 \| moderate	131.24 \| fine	43.514 \| good	0.362 \| good	2.253 \| good	0.274 \| good
2025-06-04T23:00:00.000Z	134 \| sensitive	49.209 \| moderate	192.412 \| moderate	38.364 \| good	0.34 \| good	2.172 \| good	0.274 \| good
2025-06-05T00:00:00.000Z	110 \| sensitive	38.663 \| moderate	48.197 \| good	43.03 \| good	0.268 \| good	2.952 \| good	0.269 \| good
2025-06-05T01:00:00.000Z	92 \| moderate	31.18 \| fine	66.413 \| fine	45.035 \| good	0.254 \| good	4.268 \| good	0.352 \| good
2025-06-05T02:00:00.000Z	97 \| moderate	34.199 \| fine	86.914 \| fine	37.397 \| good	0.272 \| good	12.679 \| good	0.46 \| good
2025-06-05T03:00:00.000Z	107 \| sensitive	38.117 \| moderate	73.011 \| fine	33.301 \| good	0.258 \| good	11.796 \| good	0.462 \| good
2025-06-05T04:00:00.000Z	107 \| sensitive	38.246 \| moderate	51.668 \| good	25.472 \| good	0.285 \| good	30.092 \| good	0.492 \| good
2025-06-05T05:00:00.000Z	112 \| sensitive	39.894 \| moderate	53.84 \| good	23.272 \| good	0.201 \| good	25.054 \| good	0.471 \| good
2025-06-05T06:00:00.000Z	115 \| sensitive	41.433 \| moderate	101.167 \| fine	18.606 \| good	0.212 \| good	16.482 \| good	0.471 \| good
2025-06-05T07:00:00.000Z	115 \| sensitive	40.996 \| moderate	108.949 \| fine	15.536 \| good	0.329 \| good	22.426 \| good	0.45 \| good
2025-06-05T08:00:00.000Z	112 \| sensitive	39.931 \| moderate	114.276 \| fine	17.346 \| good	0.237 \| good	20.984 \| good	0.434 \| good
2025-06-05T09:00:00.000Z	117 \| sensitive	42.162 \| moderate	95.132 \| fine	21.015 \| good	0.218 \| good	13.831 \| good	0.455 \| good
2025-06-05T10:00:00.000Z	119 \| sensitive	43.011 \| moderate	74.859 \| fine	14.531 \| good	0.255 \| good	16.1 \| good	0.447 \| good
2025-06-05T11:00:00.000Z	124 \| sensitive	45.271 \| moderate	80.821 \| fine	22.045 \| good	0.306 \| good	19.494 \| good	0.496 \| good
2025-06-05T12:00:00.000Z	112 \| sensitive	40.438 \| moderate	89.828 \| fine	25.567 \| good	0.285 \| good	19.318 \| good	0.496 \| good
2025-06-05T13:00:00.000Z	122 \| sensitive	44.288 \| moderate	150.164 \| fine	14.365 \| good	0.261 \| good	9.061 \| good	0.454 \| good
2025-06-05T14:00:00.000Z	96 \| moderate	32.579 \| fine	104.096 \| fine	24.9 \| good	0.407 \| good	3.918 \| good	0.407 \| good
2025-06-05T15:00:00.000Z	129 \| sensitive	46.957 \| moderate	150.921 \| fine	32.537 \| good	0.441 \| good	1.957 \| good	0.344 \| good
2025-06-05T16:00:00.000Z	151 \| unhealthy	55.914 \| poor	243.154 \| moderate	33.927 \| good	0.495 \| good	3.492 \| good	0.344 \| good
2025-06-05T17:00:00.000Z	134 \| sensitive	48.953 \| moderate	160.297 \| moderate	41.626 \| good	0.914 \| good	2.707 \| good	0.28 \| good
2025-06-05T18:00:00.000Z	139 \| sensitive	50.899 \| moderate	183.38 \| moderate	46.048 \| good	0.514 \| good	1.832 \| good	0.275 \| good
2025-06-05T19:00:00.000Z	90 \| moderate	29.882 \| fine	80.183 \| fine	51.712 \| good	0.544 \| good	1.905 \| good	0.249 \| good
2025-06-05T20:00:00.000Z	88 \| moderate	28.728 \| fine	72.545 \| fine	54.287 \| good	0.441 \| good	2.563 \| good	0.244 \| good
2025-06-05T21:00:00.000Z	159 \| unhealthy	67.321 \| poor	246.732 \| moderate	56.098 \| fine	0.449 \| good	2.425 \| good	0.232 \| good
2025-06-05T22:00:00.000Z	147 \| sensitive	53.909 \| moderate	190.87 \| moderate	54.796 \| good	0.255 \| good	2.461 \| good	0.232 \| good
2025-06-05T23:00:00.000Z	104 \| sensitive	33.764 \| fine	160.911 \| moderate	53.837 \| good	0.326 \| good	2.816 \| good	0.226 \| good
2025-06-06T00:00:00.000Z	103 \| sensitive	34.296 \| fine	159.515 \| moderate	56.333 \| fine	0.403 \| good	2.883 \| good	0.233 \| good
2025-06-06T01:00:00.000Z	129 \| sensitive	40.96 \| moderate	211.052 \| moderate	55.644 \| fine	0.508 \| good	6.824 \| good	0.233 \| good
2025-06-06T02:00:00.000Z	117 \| sensitive	42.296 \| moderate	154.488 \| fine	47.759 \| good	0.263 \| good	6.63 \| good	0.24 \| good
2025-06-06T03:00:00.000Z	114 \| sensitive	39.73 \| moderate	182.044 \| moderate	44.883 \| good	0.69 \| good	4.967 \| good	0.245 \| good
2025-06-06T04:00:00.000Z	97 \| moderate	34.191 \| fine	136.984 \| fine	38.882 \| good	0.242 \| good	10.496 \| good	0.238 \| good
2025-06-06T05:00:00.000Z	97 \| moderate	33.833 \| fine	146.142 \| fine	42.54 \| good	0.472 \| good	5.157 \| good	0.265 \| good
2025-06-06T06:00:00.000Z	92 \| moderate	30.857 \| fine	73.495 \| fine	29.677 \| good	0.423 \| good	3.231 \| good	0.27 \| good
2025-06-06T07:00:00.000Z	109 \| sensitive	31.601 \| fine	172.139 \| moderate	33.337 \| good	0.258 \| good	10.309 \| good	0.259 \| good
2025-06-06T08:00:00.000Z	82 \| moderate	25.815 \| fine	63.052 \| fine	27.05 \| good	0.211 \| good	7.189 \| good	0.266 \| good
2025-06-06T09:00:00.000Z	102 \| sensitive	35.797 \| moderate	140.474 \| fine	25.149 \| good	0.272 \| good	8.423 \| good	0.266 \| good
2025-06-06T10:00:00.000Z	105 \| sensitive	37.267 \| moderate	81.993 \| fine	28.063 \| good	0.303 \| good	12.659 \| good	0.266 \| good
2025-06-06T11:00:00.000Z	105 \| sensitive	36.543 \| moderate	125.185 \| fine	25.72 \| good	0.243 \| good	13.426 \| good	0.286 \| good
2025-06-06T12:00:00.000Z	112 \| sensitive	39.362 \| moderate	178.204 \| moderate	28.106 \| good	0.306 \| good	10.196 \| good	0.276 \| good
2025-06-06T13:00:00.000Z	115 \| sensitive	37.477 \| moderate	183.552 \| moderate	34.085 \| good	0.337 \| good	7.478 \| good	0.255 \| good
2025-06-06T14:00:00.000Z	81 \| moderate	25.485 \| fine	81.891 \| fine	40.617 \| good	0.381 \| good	9.911 \| good	0.332 \| good
2025-06-06T15:00:00.000Z	90 \| moderate	30.105 \| fine	122.189 \| fine	41.682 \| good	0.346 \| good	2.657 \| good	0.277 \| good
2025-06-06T16:00:00.000Z	88 \| moderate	28.506 \| fine	120.628 \| fine	43.235 \| good	0.314 \| good	3.337 \| good	0.229 \| good
2025-06-06T17:00:00.000Z	102 \| sensitive	36.045 \| moderate	138.288 \| fine	44.02 \| good	0.381 \| good	2.949 \| good	0.223 \| good
2025-06-06T18:00:00.000Z	92 \| moderate	31.5 \| fine	126.891 \| fine	53.079 \| good	0.359 \| good	2.112 \| good	0.223 \| good
2025-06-06T19:00:00.000Z	94 \| moderate	31.81 \| fine	123.645 \| fine	57.62 \| fine	0.416 \| good	3.017 \| good	0.211 \| good
2025-06-06T20:00:00.000Z	81 \| moderate	24.715 \| fine	97.343 \| fine	58.032 \| fine	0.341 \| good	1.956 \| good	0.211 \| good
2025-06-06T21:00:00.000Z	74 \| moderate	21.204 \| fine	93.995 \| fine	61.72 \| fine	0.361 \| good	1.668 \| good	0.211 \| good
2025-06-06T11:00:00.000Z	105 \| sensitive	36.543 \| moderate	125.185 \| fine	25.72 \| good	0.243 \| good	13.426 \| good	0.286 \| good
2025-06-06T12:00:00.000Z	110 \| sensitive	39.31 \| moderate	173.043 \| moderate	17.482 \| good	0.388 \| good	7.286 \| good	0.237 \| good
2025-06-06T13:00:00.000Z	97 \| moderate	33.632 \| fine	144.982 \| fine	22.827 \| good	0.452 \| good	4.62 \| good	0.238 \| good
2025-06-06T14:00:00.000Z	84 \| moderate	26.762 \| fine	116.702 \| fine	28.487 \| good	0.472 \| good	4.397 \| good	0.234 \| good
2025-06-06T15:00:00.000Z	75 \| moderate	21.705 \| fine	94.828 \| fine	33.932 \| good	0.492 \| good	4.174 \| good	0.231 \| good
2025-06-06T16:00:00.000Z	71 \| moderate	20.226 \| fine	88.753 \| fine	38.53 \| good	0.412 \| good	0.957 \| good	0.189 \| good
2025-06-06T17:00:00.000Z	69 \| moderate	19.205 \| fine	84.69 \| fine	41.453 \| good	0.444 \| good	0.97 \| good	0.188 \| good
2025-06-06T18:00:00.000Z	71 \| moderate	19.682 \| fine	86.611 \| fine	42.544 \| good	0.475 \| good	0.984 \| good	0.187 \| good
2025-06-06T19:00:00.000Z	69 \| moderate	19.452 \| fine	86.513 \| fine	43.128 \| good	0.334 \| good	0.768 \| good	0.181 \| good
2025-06-06T20:00:00.000Z	67 \| moderate	17.719 \| fine	78.701 \| fine	42.892 \| good	0.38 \| good	0.794 \| good	0.18 \| good
2025-06-06T21:00:00.000Z	66 \| moderate	16.717 \| fine	74.813 \| fine	43.031 \| good	0.427 \| good	0.821 \| good	0.179 \| good
2025-06-06T22:00:00.000Z	62 \| moderate	15.071 \| fine	67.11 \| fine	44.707 \| good	0.315 \| good	2.893 \| good	0.194 \| good
2025-06-06T23:00:00.000Z	64 \| moderate	16.009 \| fine	70.985 \| fine	47.327 \| good	0.353 \| good	2.865 \| good	0.192 \| good
2025-06-07T00:00:00.000Z	73 \| moderate	20.92 \| fine	92.54 \| fine	48.848 \| good	0.392 \| good	2.837 \| good	0.19 \| good
2025-06-07T01:00:00.000Z	69 \| moderate	18.707 \| fine	82.836 \| fine	40.667 \| good	0.507 \| good	10.202 \| good	0.24 \| good
2025-06-07T02:00:00.000Z	56 \| moderate	11.536 \| good	51.45 \| good	34.52 \| good	0.552 \| good	10.409 \| good	0.238 \| good
2025-06-07T03:00:00.000Z	52 \| moderate	9.83 \| good	44.063 \| good	34.253 \| good	0.598 \| good	10.616 \| good	0.237 \| good
2025-06-07T04:00:00.000Z	38 \| good	6.999 \| good	31.143 \| good	30.41 \| good	0.651 \| good	14.54 \| good	0.26 \| good
2025-06-07T05:00:00.000Z	38 \| good	7.166 \| good	32.139 \| good	24.839 \| good	0.692 \| good	14.729 \| good	0.26 \| good
2025-06-07T06:00:00.000Z	38 \| good	6.745 \| good	30.038 \| good	23.526 \| good	0.733 \| good	14.918 \| good	0.26 \| good
2025-06-07T07:00:00.000Z	38 \| good	6.57 \| good	29.047 \| good	23.406 \| good	0.676 \| good	13.388 \| good	0.245 \| good
2025-06-07T08:00:00.000Z	33 \| good	6.392 \| good	28.813 \| good	23.561 \| good	0.663 \| good	12.06 \| good	0.237 \| good
2025-06-07T09:00:00.000Z	33 \| good	6.071 \| good	26.899 \| good	23.375 \| good	0.651 \| good	10.731 \| good	0.228 \| good
2025-06-07T10:00:00.000Z	33 \| good	5.918 \| good	26.789 \| good	25.296 \| good	0.503 \| good	7.054 \| good	0.216 \| good
2025-06-07T11:00:00.000Z	27 \| good	5.278 \| good	22.88 \| good	24.987 \| good	0.46 \| good	6.312 \| good	0.209 \| good
2025-06-07T12:00:00.000Z	27 \| good	4.781 \| good	20.843 \| good	28.88 \| good	0.416 \| good	5.571 \| good	0.202 \| good
2025-06-07T13:00:00.000Z	27 \| good	2.116 \| good	9.029 \| good	29.017 \| good	0.478 \| good	2.514 \| good	0.187 \| good
2025-06-07T14:00:00.000Z	30 \| good	2.235 \| good	9.101 \| good	31.842 \| good	0.454 \| good	2.326 \| good	0.188 \| good
2025-06-07T15:00:00.000Z	32 \| good	2.006 \| good	8.104 \| good	34.878 \| good	0.43 \| good	2.138 \| good	0.19 \| good
2025-06-07T16:00:00.000Z	35 \| good	1.501 \| good	6.148 \| good	37.759 \| good	0.43 \| good	0.744 \| good	0.17 \| good
2025-06-07T17:00:00.000Z	37 \| good	2.462 \| good	10.124 \| good	39.563 \| good	0.452 \| good	0.754 \| good	0.172 \| good
2025-06-07T18:00:00.000Z	37 \| good	5.221 \| good	22.434 \| good	40.291 \| good	0.473 \| good	0.764 \| good	0.174 \| good
2025-06-07T19:00:00.000Z	52 \| moderate	9.612 \| good	42.97 \| good	39.447 \| good	0.326 \| good	0.76 \| good	0.174 \| good
2025-06-07T20:00:00.000Z	44 \| good	8.082 \| good	35.104 \| good	39.246 \| good	0.329 \| good	0.766 \| good	0.175 \| good
2025-06-07T21:00:00.000Z	44 \| good	7.52 \| good	33.055 \| good	38.14 \| good	0.332 \| good	0.773 \| good	0.175 \| good
2025-06-07T22:00:00.000Z	44 \| good	7.699 \| good	33.984 \| good	37.116 \| good	0.33 \| good	3.094 \| good	0.193 \| good
2025-06-07T23:00:00.000Z	33 \| good	5.51 \| good	23.237 \| good	35.51 \| good	0.322 \| good	3.139 \| good	0.192 \| good
2025-06-08T00:00:00.000Z	49 \| good	8.633 \| good	38.113 \| good	38.661 \| good	0.314 \| good	3.185 \| good	0.191 \| good
2025-06-08T01:00:00.000Z	49 \| good	8.655 \| good	38.23 \| good	38.797 \| good	0.417 \| good	5.722 \| good	0.2 \| good
2025-06-08T02:00:00.000Z	44 \| good	8.166 \| good	36.177 \| good	37.279 \| good	0.429 \| good	6.094 \| good	0.202 \| good
2025-06-08T03:00:00.000Z	44 \| good	8.395 \| good	37.152 \| good	36.072 \| good	0.441 \| good	6.467 \| good	0.204 \| good
2025-06-08T04:00:00.000Z	49 \| good	8.937 \| good	39.165 \| good	35.226 \| good	0.453 \| good	5.797 \| good	0.191 \| good
2025-06-08T05:00:00.000Z	52 \| moderate	9.519 \| good	42.891 \| good	32.629 \| good	0.452 \| good	5.92 \| good	0.193 \| good
2025-06-08T06:00:00.000Z	49 \| good	9.293 \| good	9.664 \| good	37.234 \| good	0.452 \| good	6.06 \| good	0.195 \| good
2025-06-08T07:00:00.000Z	44 \| good	8.467 \| good	37.018 \| good	32.535 \| good	0.518 \| good	4.773 \| good	0.178 \| good
2025-06-08T08:00:00.000Z	44 \| good	7.505 \| good	32.932 \| good	35.462 \| good	0.517 \| good	4.659 \| good	0.178 \| good
2025-06-08T09:00:00.000Z	44 \| good	8.019 \| good	35.004 \| good	33.936 \| good	0.517 \| good	4.544 \| good	0.178 \| good
2025-06-08T10:00:00.000Z	62 \| moderate	14.607 \| fine	64.893 \| fine	26.011 \| good	0.517 \| good	4.221 \| good	0.18 \| good
2025-06-08T11:00:00.000Z	66 \| moderate	16.975 \| fine	74.682 \| fine	20.366 \| good	0.509 \| good	4.103 \| good	0.179 \| good

Real-time air quality index in Watertown, Wisconsin today

Major air pollutants in Watertown, Wisconsin

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)