What is the current concentration of PM10 in Williston, North Dakota?

The current PM10 concentration at Williston, North Dakota is 11.794 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Williston, North Dakota?

The current sulfur dioxide (SO2) concentration at Williston, North Dakota is 0.275 ppb.

What is the current concentration of ozone (O3) in Williston, North Dakota?

The current ozone (O3) concentration at Williston, North Dakota is 19.442 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Williston, North Dakota?

The current nitrogen dioxide (NO2) concentration at Williston, North Dakota is 4.233 ppb.

Williston, North Dakota live air quality index now

Q: What is the current concentration of PM2.5 in Williston, North Dakota?

The current PM2.5 concentration at Williston, North Dakota is 2.895 μg/m3.

Stay updated with real-time air quality in Williston, North 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

Williston, North Dakota

Last updated: ... (Local time)

Major air pollutants in Williston, North Dakota

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

2.90 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

11.79 μg/m³

155

255

425

605+

Ozone (O₃)

19.44 ppb

201

201+

Sulfur Dioxide (SO₂)

0.28 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.23 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.18 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Williston, North Dakota

Get Live Pollen Counts

Williston, North Dakota

Scroll To Air Quality Map

Track live Williston, North Dakota air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T08:00:00.000Z	27 \| good	4.947 \| good	21.301 \| good	25.209 \| good	0.302 \| good	2.076 \| good	0.145 \| good
2025-12-05T09:00:00.000Z	27 \| good	5.145 \| good	22.689 \| good	22.912 \| good	0.299 \| good	2.055 \| good	0.145 \| good
2025-12-05T10:00:00.000Z	33 \| good	5.694 \| good	24.204 \| good	22.004 \| good	0.319 \| good	1.982 \| good	0.144 \| good
2025-12-05T11:00:00.000Z	38 \| good	6.683 \| good	29.735 \| good	22.571 \| good	0.288 \| good	1.876 \| good	0.143 \| good
2025-12-05T12:00:00.000Z	38 \| good	7.227 \| good	31.371 \| good	20.806 \| good	0.237 \| good	1.777 \| good	0.142 \| good
2025-12-05T13:00:00.000Z	38 \| good	6.998 \| good	30.535 \| good	21.315 \| good	0.268 \| good	1.7 \| good	0.145 \| good
2025-12-05T14:00:00.000Z	38 \| good	6.502 \| good	27.813 \| good	22.308 \| good	0.295 \| good	1.594 \| good	0.143 \| good
2025-12-05T15:00:00.000Z	44 \| good	7.97 \| good	34.775 \| good	24.979 \| good	0.332 \| good	1.524 \| good	0.149 \| good
2025-12-05T16:00:00.000Z	38 \| good	6.921 \| good	29.697 \| good	24.663 \| good	0.299 \| good	1.225 \| good	0.144 \| good
2025-12-05T17:00:00.000Z	38 \| good	7.482 \| good	33.231 \| good	24.158 \| good	0.269 \| good	0.922 \| good	0.15 \| good
2025-12-05T18:00:00.000Z	38 \| good	7.175 \| good	31.298 \| good	24.718 \| good	0.228 \| good	0.618 \| good	0.148 \| good
2025-12-05T19:00:00.000Z	33 \| good	6.024 \| good	26.165 \| good	24.781 \| good	0.262 \| good	0.64 \| good	0.148 \| good
2025-12-05T20:00:00.000Z	27 \| good	4.855 \| good	20.478 \| good	25.078 \| good	0.297 \| good	0.689 \| good	0.145 \| good
2025-12-05T21:00:00.000Z	23 \| good	3.806 \| good	15.834 \| good	24.818 \| good	0.316 \| good	0.683 \| good	0.146 \| good
2025-12-05T22:00:00.000Z	22 \| good	3.932 \| good	16.261 \| good	23.841 \| good	0.299 \| good	0.859 \| good	0.148 \| good
2025-12-05T23:00:00.000Z	22 \| good	4.321 \| good	18.374 \| good	21.629 \| good	0.334 \| good	1.047 \| good	0.149 \| good
2025-12-06T00:00:00.000Z	33 \| good	5.902 \| good	25.551 \| good	19.756 \| good	0.203 \| good	1.712 \| good	0.157 \| good
2025-12-06T01:00:00.000Z	27 \| good	5.384 \| good	22.525 \| good	18.886 \| good	0.247 \| good	1.646 \| good	0.158 \| good
2025-12-06T02:00:00.000Z	27 \| good	5.14 \| good	21.947 \| good	18.088 \| good	0.304 \| good	1.563 \| good	0.155 \| good
2025-12-06T03:00:00.000Z	27 \| good	4.54 \| good	19.11 \| good	18.794 \| good	0.355 \| good	1.449 \| good	0.156 \| good
2025-12-06T04:00:00.000Z	22 \| good	4.455 \| good	19.041 \| good	19.123 \| good	0.544 \| good	1.532 \| good	0.157 \| good
2025-12-06T05:00:00.000Z	22 \| good	4.068 \| good	16.605 \| good	19.839 \| good	0.737 \| good	1.606 \| good	0.16 \| good
2025-12-06T06:00:00.000Z	22 \| good	3.748 \| good	16.176 \| good	20.019 \| good	0.931 \| good	1.717 \| good	0.153 \| good
2025-12-06T07:00:00.000Z	22 \| good	3.919 \| good	16.261 \| good	20.387 \| good	0.792 \| good	1.657 \| good	0.151 \| good
2025-12-06T08:00:00.000Z	22 \| good	4.159 \| good	17.192 \| good	20.154 \| good	0.655 \| good	1.568 \| good	0.15 \| good
2025-12-06T09:00:00.000Z	22 \| good	4.06 \| good	16.903 \| good	20.391 \| good	0.542 \| good	1.425 \| good	0.149 \| good
2025-12-06T10:00:00.000Z	22 \| good	4.367 \| good	18.258 \| good	20.508 \| good	0.408 \| good	1.378 \| good	0.149 \| good
2025-12-06T11:00:00.000Z	27 \| good	4.584 \| good	19.989 \| good	22.378 \| good	0.296 \| good	1.405 \| good	0.15 \| good
2025-12-06T12:00:00.000Z	27 \| good	4.51 \| good	19.397 \| good	24.349 \| good	0.454 \| good	1.584 \| good	0.15 \| good
2025-12-06T13:00:00.000Z	25 \| good	3.754 \| good	16.326 \| good	27.242 \| good	0.371 \| good	1.447 \| good	0.151 \| good
2025-12-06T14:00:00.000Z	26 \| good	3.009 \| good	14.216 \| good	27.592 \| good	0.289 \| good	1.454 \| good	0.153 \| good
2025-12-06T15:00:00.000Z	26 \| good	3.617 \| good	15.354 \| good	27.853 \| good	0.218 \| good	1.474 \| good	0.154 \| good
2025-12-06T16:00:00.000Z	27 \| good	2.387 \| good	10.976 \| good	28.786 \| good	0.24 \| good	1.37 \| good	0.151 \| good
2025-12-06T17:00:00.000Z	27 \| good	3.103 \| good	13.23 \| good	29.109 \| good	0.292 \| good	1.33 \| good	0.15 \| good
2025-12-06T18:00:00.000Z	28 \| good	3.389 \| good	14.707 \| good	29.808 \| good	0.202 \| good	1.234 \| good	0.15 \| good
2025-12-06T19:00:00.000Z	28 \| good	3.141 \| good	13.571 \| good	30.187 \| good	0.248 \| good	1.197 \| good	0.15 \| good
2025-12-06T20:00:00.000Z	29 \| good	2.554 \| good	10.142 \| good	30.711 \| good	0.27 \| good	1.204 \| good	0.149 \| good
2025-12-06T21:00:00.000Z	27 \| good	2.079 \| good	8.104 \| good	29.373 \| good	0.32 \| good	1.271 \| good	0.149 \| good
2025-12-06T22:00:00.000Z	25 \| good	2.516 \| good	9.978 \| good	26.796 \| good	0.325 \| good	1.745 \| good	0.152 \| good
2025-12-06T23:00:00.000Z	22 \| good	3.372 \| good	14.539 \| good	23.769 \| good	0.357 \| good	2.35 \| good	0.157 \| good
2025-12-07T00:00:00.000Z	22 \| good	4.127 \| good	17.678 \| good	21.839 \| good	0.412 \| good	3.583 \| good	0.167 \| good
2025-12-07T01:00:00.000Z	22 \| good	4.129 \| good	17.228 \| good	20.715 \| good	0.424 \| good	4.317 \| good	0.175 \| good
2025-12-07T02:00:00.000Z	22 \| good	4.243 \| good	18.097 \| good	20.081 \| good	0.446 \| good	4.789 \| good	0.182 \| good
2025-12-07T03:00:00.000Z	22 \| good	3.803 \| good	16.138 \| good	20.006 \| good	0.494 \| good	5.288 \| good	0.19 \| good
2025-12-07T04:00:00.000Z	22 \| good	3.765 \| good	15.901 \| good	19.483 \| good	0.437 \| good	5.231 \| good	0.192 \| good
2025-12-07T05:00:00.000Z	19 \| good	3.175 \| good	12.905 \| good	19.802 \| good	0.334 \| good	4.901 \| good	0.185 \| good
2025-12-07T06:00:00.000Z	18 \| good	2.895 \| good	11.794 \| good	19.442 \| good	0.275 \| good	4.233 \| good	0.18 \| good
2025-12-07T07:00:00.000Z	18 \| good	2.903 \| good	11.33 \| good	19.44 \| good	0.255 \| good	3.606 \| good	0.176 \| good
2025-12-07T07:00:00.000Z	18 \| good	2.895 \| good	11.794 \| good	19.442 \| good	0.275 \| good	4.233 \| good	0.18 \| good
2025-12-07T08:00:00.000Z	18 \| good	3.103 \| good	13.343 \| good	19.101 \| good	0.163 \| good	3.05 \| good	0.17 \| good
2025-12-07T09:00:00.000Z	19 \| good	3.215 \| good	14 \| good	20.648 \| good	0.14 \| good	2.486 \| good	0.163 \| good
2025-12-07T10:00:00.000Z	22 \| good	4.135 \| good	18.106 \| good	20.822 \| good	0.189 \| good	2.306 \| good	0.161 \| good
2025-12-07T11:00:00.000Z	33 \| good	5.696 \| good	24.662 \| good	22.966 \| good	0.237 \| good	2.126 \| good	0.159 \| good
2025-12-07T12:00:00.000Z	38 \| good	6.805 \| good	30.172 \| good	23.708 \| good	0.285 \| good	1.945 \| good	0.157 \| good
2025-12-07T13:00:00.000Z	38 \| good	7.206 \| good	32.033 \| good	22.159 \| good	0.278 \| good	2.005 \| good	0.16 \| good
2025-12-07T14:00:00.000Z	38 \| good	6.623 \| good	29.59 \| good	21.443 \| good	0.27 \| good	2.065 \| good	0.162 \| good
2025-12-07T15:00:00.000Z	38 \| good	7.27 \| good	32.089 \| good	22.098 \| good	0.263 \| good	2.125 \| good	0.165 \| good
2025-12-07T16:00:00.000Z	27 \| good	4.904 \| good	21.164 \| good	22.298 \| good	0.214 \| good	2.003 \| good	0.168 \| good
2025-12-07T17:00:00.000Z	27 \| good	5.405 \| good	23.416 \| good	22.597 \| good	0.166 \| good	1.88 \| good	0.171 \| good
2025-12-07T18:00:00.000Z	27 \| good	5.288 \| good	22.871 \| good	22.638 \| good	0.118 \| good	1.757 \| good	0.174 \| good
2025-12-07T19:00:00.000Z	27 \| good	4.706 \| good	20.662 \| good	21.784 \| good	0.104 \| good	1.744 \| good	0.178 \| good
2025-12-07T20:00:00.000Z	22 \| good	3.909 \| good	17.057 \| good	22.46 \| good	0.089 \| good	1.732 \| good	0.181 \| good
2025-12-07T21:00:00.000Z	22 \| good	3.65 \| good	16 \| good	21.317 \| good	0.075 \| good	1.719 \| good	0.185 \| good
2025-12-07T22:00:00.000Z	22 \| good	3.815 \| good	16.789 \| good	18.775 \| good	0.078 \| good	3.016 \| good	0.199 \| good
2025-12-07T23:00:00.000Z	27 \| good	4.718 \| good	20.892 \| good	17.449 \| good	0.082 \| good	4.312 \| good	0.213 \| good
2025-12-08T00:00:00.000Z	27 \| good	5.185 \| good	22.34 \| good	15.769 \| good	0.085 \| good	5.608 \| good	0.227 \| good
2025-12-08T01:00:00.000Z	27 \| good	5.084 \| good	22.159 \| good	15.827 \| good	0.067 \| good	6.235 \| good	0.235 \| good
2025-12-08T02:00:00.000Z	27 \| good	4.782 \| good	20.964 \| good	16.255 \| good	0.049 \| good	6.863 \| good	0.243 \| good
2025-12-08T03:00:00.000Z	22 \| good	4.446 \| good	19.34 \| good	16.297 \| good	0.031 \| good	7.49 \| good	0.252 \| good
2025-12-08T04:00:00.000Z	27 \| good	4.678 \| good	20.256 \| good	15.829 \| good	0.022 \| good	6.931 \| good	0.242 \| good
2025-12-08T05:00:00.000Z	22 \| good	4.399 \| good	19.066 \| good	15.473 \| good	0.013 \| good	6.373 \| good	0.233 \| good
2025-12-08T06:00:00.000Z	27 \| good	4.723 \| good	20.662 \| good	15.518 \| good	0.005 \| good	5.814 \| good	0.223 \| good
2025-12-08T07:00:00.000Z	27 \| good	4.865 \| good	21.024 \| good	15.809 \| good	0.01 \| good	4.879 \| good	0.204 \| good
2025-12-08T08:00:00.000Z	27 \| good	5.081 \| good	21.92 \| good	15.464 \| good	0.015 \| good	3.943 \| good	0.184 \| good
2025-12-08T09:00:00.000Z	27 \| good	5.142 \| good	22.066 \| good	16.621 \| good	0.021 \| good	3.007 \| good	0.165 \| good
2025-12-08T10:00:00.000Z	33 \| good	6.238 \| good	27.779 \| good	16.74 \| good	0.035 \| good	2.533 \| good	0.153 \| good
2025-12-08T11:00:00.000Z	38 \| good	7.323 \| good	32.027 \| good	17.498 \| good	0.05 \| good	2.058 \| good	0.141 \| good
2025-12-08T12:00:00.000Z	38 \| good	6.884 \| good	30.298 \| good	19.196 \| good	0.065 \| good	1.583 \| good	0.129 \| good
2025-12-08T13:00:00.000Z	33 \| good	5.705 \| good	24.459 \| good	19.297 \| good	0.064 \| good	1.477 \| good	0.127 \| good
2025-12-08T14:00:00.000Z	27 \| good	4.604 \| good	20.048 \| good	19.573 \| good	0.064 \| good	1.371 \| good	0.125 \| good
2025-12-08T15:00:00.000Z	27 \| good	5.228 \| good	22.746 \| good	23.351 \| good	0.063 \| good	1.266 \| good	0.123 \| good
2025-12-08T16:00:00.000Z	25 \| good	3.772 \| good	16.351 \| good	26.742 \| good	0.083 \| good	1.03 \| good	0.121 \| good
2025-12-08T17:00:00.000Z	27 \| good	4.494 \| good	19.322 \| good	28.612 \| good	0.102 \| good	0.794 \| good	0.119 \| good
2025-12-08T18:00:00.000Z	27 \| good	4.574 \| good	19.886 \| good	29.079 \| good	0.121 \| good	0.559 \| good	0.116 \| good
2025-12-08T19:00:00.000Z	28 \| good	4.448 \| good	19.298 \| good	29.568 \| good	0.13 \| good	0.607 \| good	0.118 \| good
2025-12-08T20:00:00.000Z	29 \| good	4.497 \| good	19.382 \| good	30.517 \| good	0.138 \| good	0.656 \| good	0.119 \| good
2025-12-08T21:00:00.000Z	28 \| good	4.255 \| good	18.894 \| good	30.042 \| good	0.147 \| good	0.705 \| good	0.12 \| good
2025-12-08T22:00:00.000Z	27 \| good	4.803 \| good	20.975 \| good	28.071 \| good	0.121 \| good	0.886 \| good	0.121 \| good
2025-12-08T23:00:00.000Z	27 \| good	4.881 \| good	21.124 \| good	24.432 \| good	0.095 \| good	1.067 \| good	0.122 \| good
2025-12-09T00:00:00.000Z	22 \| good	4.222 \| good	18.46 \| good	23.15 \| good	0.069 \| good	1.249 \| good	0.123 \| good
2025-12-09T01:00:00.000Z	22 \| good	4.386 \| good	19.156 \| good	22.265 \| good	0.062 \| good	1.167 \| good	0.12 \| good
2025-12-09T02:00:00.000Z	22 \| good	4.303 \| good	18.925 \| good	19.366 \| good	0.054 \| good	1.085 \| good	0.118 \| good
2025-12-09T03:00:00.000Z	17 \| good	3.257 \| good	14.207 \| good	17.986 \| good	0.047 \| good	1.004 \| good	0.115 \| good
2025-12-09T04:00:00.000Z	16 \| good	3.041 \| good	12.665 \| good	16.763 \| good	0.047 \| good	0.995 \| good	0.114 \| good
2025-12-09T05:00:00.000Z	17 \| good	2.101 \| good	8.38 \| good	17.64 \| good	0.048 \| good	0.986 \| good	0.113 \| good
2025-12-09T06:00:00.000Z	40 \| good	1.798 \| good	1.908 \| good	42.748 \| good	0.047 \| good	0.977 \| good	0.112 \| good
2025-12-09T07:00:00.000Z	19 \| good	1.989 \| good	8.066 \| good	20.835 \| good	0.045 \| good	1.008 \| good	0.112 \| good

Williston

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Williston, North Dakota air quality map: Track AQI near you

0.16ppm

How accurate is North Dakota, USA air quality data?

Air quality data and pollutant measurements for North Dakota, 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 Williston, North Dakota updated?

The air quality for Williston, North Dakota is updated every hour.

When was the worst air quality at Williston, North Dakota in the last 24 hrs?

The worst air quality in Williston, North Dakota in the last 24 hours was observed at 08:00:00 on 2025-12-06.

When was the best air quality at Williston, North Dakota in the last 24 hrs?

In the last 24 hrs, the best air quality in Williston, North Dakota was observed at 06:00:00 on 2025-12-07.

What is the current air quality in Williston, North Dakota?

The current air quality in Williston, North Dakota is 18, categorized as Good based on real-time data.

What pollutant is the most common in Williston, North Dakota?

The most common pollutant in Williston, North Dakota is O3.

What should I do if the air quality in Williston, North Dakota is poor?

If the air quality in Williston, North Dakota is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Williston, North Dakota?

The current PM_2.5 concentration at Williston, North Dakota is 2.895 μg/m³.

What is the current concentration of PM₁₀ in Williston, North Dakota?

The current PM₁₀ concentration at Williston, North Dakota is 11.794 μg/m³.

What is the current concentration of carbon monoxide (CO) in Williston, North Dakota?

The current carbon monoxide (CO) concentration at Williston, North Dakota is 0.18 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Williston, North Dakota?

The current sulfur dioxide (SO₂) concentration at Williston, North Dakota is 0.275 ppb.

What is the current concentration of ozone (O₃) in Williston, North Dakota?

The current ozone (O₃) concentration at Williston, North Dakota is 19.442 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Williston, North Dakota?

The current nitrogen dioxide (NO₂) concentration at Williston, North Dakota is 4.233 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T08:00:00.000Z	27 \| good	4.947 \| good	21.301 \| good	25.209 \| good	0.302 \| good	2.076 \| good	0.145 \| good
2025-12-05T09:00:00.000Z	27 \| good	5.145 \| good	22.689 \| good	22.912 \| good	0.299 \| good	2.055 \| good	0.145 \| good
2025-12-05T10:00:00.000Z	33 \| good	5.694 \| good	24.204 \| good	22.004 \| good	0.319 \| good	1.982 \| good	0.144 \| good
2025-12-05T11:00:00.000Z	38 \| good	6.683 \| good	29.735 \| good	22.571 \| good	0.288 \| good	1.876 \| good	0.143 \| good
2025-12-05T12:00:00.000Z	38 \| good	7.227 \| good	31.371 \| good	20.806 \| good	0.237 \| good	1.777 \| good	0.142 \| good
2025-12-05T13:00:00.000Z	38 \| good	6.998 \| good	30.535 \| good	21.315 \| good	0.268 \| good	1.7 \| good	0.145 \| good
2025-12-05T14:00:00.000Z	38 \| good	6.502 \| good	27.813 \| good	22.308 \| good	0.295 \| good	1.594 \| good	0.143 \| good
2025-12-05T15:00:00.000Z	44 \| good	7.97 \| good	34.775 \| good	24.979 \| good	0.332 \| good	1.524 \| good	0.149 \| good
2025-12-05T16:00:00.000Z	38 \| good	6.921 \| good	29.697 \| good	24.663 \| good	0.299 \| good	1.225 \| good	0.144 \| good
2025-12-05T17:00:00.000Z	38 \| good	7.482 \| good	33.231 \| good	24.158 \| good	0.269 \| good	0.922 \| good	0.15 \| good
2025-12-05T18:00:00.000Z	38 \| good	7.175 \| good	31.298 \| good	24.718 \| good	0.228 \| good	0.618 \| good	0.148 \| good
2025-12-05T19:00:00.000Z	33 \| good	6.024 \| good	26.165 \| good	24.781 \| good	0.262 \| good	0.64 \| good	0.148 \| good
2025-12-05T20:00:00.000Z	27 \| good	4.855 \| good	20.478 \| good	25.078 \| good	0.297 \| good	0.689 \| good	0.145 \| good
2025-12-05T21:00:00.000Z	23 \| good	3.806 \| good	15.834 \| good	24.818 \| good	0.316 \| good	0.683 \| good	0.146 \| good
2025-12-05T22:00:00.000Z	22 \| good	3.932 \| good	16.261 \| good	23.841 \| good	0.299 \| good	0.859 \| good	0.148 \| good
2025-12-05T23:00:00.000Z	22 \| good	4.321 \| good	18.374 \| good	21.629 \| good	0.334 \| good	1.047 \| good	0.149 \| good
2025-12-06T00:00:00.000Z	33 \| good	5.902 \| good	25.551 \| good	19.756 \| good	0.203 \| good	1.712 \| good	0.157 \| good
2025-12-06T01:00:00.000Z	27 \| good	5.384 \| good	22.525 \| good	18.886 \| good	0.247 \| good	1.646 \| good	0.158 \| good
2025-12-06T02:00:00.000Z	27 \| good	5.14 \| good	21.947 \| good	18.088 \| good	0.304 \| good	1.563 \| good	0.155 \| good
2025-12-06T03:00:00.000Z	27 \| good	4.54 \| good	19.11 \| good	18.794 \| good	0.355 \| good	1.449 \| good	0.156 \| good
2025-12-06T04:00:00.000Z	22 \| good	4.455 \| good	19.041 \| good	19.123 \| good	0.544 \| good	1.532 \| good	0.157 \| good
2025-12-06T05:00:00.000Z	22 \| good	4.068 \| good	16.605 \| good	19.839 \| good	0.737 \| good	1.606 \| good	0.16 \| good
2025-12-06T06:00:00.000Z	22 \| good	3.748 \| good	16.176 \| good	20.019 \| good	0.931 \| good	1.717 \| good	0.153 \| good
2025-12-06T07:00:00.000Z	22 \| good	3.919 \| good	16.261 \| good	20.387 \| good	0.792 \| good	1.657 \| good	0.151 \| good
2025-12-06T08:00:00.000Z	22 \| good	4.159 \| good	17.192 \| good	20.154 \| good	0.655 \| good	1.568 \| good	0.15 \| good
2025-12-06T09:00:00.000Z	22 \| good	4.06 \| good	16.903 \| good	20.391 \| good	0.542 \| good	1.425 \| good	0.149 \| good
2025-12-06T10:00:00.000Z	22 \| good	4.367 \| good	18.258 \| good	20.508 \| good	0.408 \| good	1.378 \| good	0.149 \| good
2025-12-06T11:00:00.000Z	27 \| good	4.584 \| good	19.989 \| good	22.378 \| good	0.296 \| good	1.405 \| good	0.15 \| good
2025-12-06T12:00:00.000Z	27 \| good	4.51 \| good	19.397 \| good	24.349 \| good	0.454 \| good	1.584 \| good	0.15 \| good
2025-12-06T13:00:00.000Z	25 \| good	3.754 \| good	16.326 \| good	27.242 \| good	0.371 \| good	1.447 \| good	0.151 \| good
2025-12-06T14:00:00.000Z	26 \| good	3.009 \| good	14.216 \| good	27.592 \| good	0.289 \| good	1.454 \| good	0.153 \| good
2025-12-06T15:00:00.000Z	26 \| good	3.617 \| good	15.354 \| good	27.853 \| good	0.218 \| good	1.474 \| good	0.154 \| good
2025-12-06T16:00:00.000Z	27 \| good	2.387 \| good	10.976 \| good	28.786 \| good	0.24 \| good	1.37 \| good	0.151 \| good
2025-12-06T17:00:00.000Z	27 \| good	3.103 \| good	13.23 \| good	29.109 \| good	0.292 \| good	1.33 \| good	0.15 \| good
2025-12-06T18:00:00.000Z	28 \| good	3.389 \| good	14.707 \| good	29.808 \| good	0.202 \| good	1.234 \| good	0.15 \| good
2025-12-06T19:00:00.000Z	28 \| good	3.141 \| good	13.571 \| good	30.187 \| good	0.248 \| good	1.197 \| good	0.15 \| good
2025-12-06T20:00:00.000Z	29 \| good	2.554 \| good	10.142 \| good	30.711 \| good	0.27 \| good	1.204 \| good	0.149 \| good
2025-12-06T21:00:00.000Z	27 \| good	2.079 \| good	8.104 \| good	29.373 \| good	0.32 \| good	1.271 \| good	0.149 \| good
2025-12-06T22:00:00.000Z	25 \| good	2.516 \| good	9.978 \| good	26.796 \| good	0.325 \| good	1.745 \| good	0.152 \| good
2025-12-06T23:00:00.000Z	22 \| good	3.372 \| good	14.539 \| good	23.769 \| good	0.357 \| good	2.35 \| good	0.157 \| good
2025-12-07T00:00:00.000Z	22 \| good	4.127 \| good	17.678 \| good	21.839 \| good	0.412 \| good	3.583 \| good	0.167 \| good
2025-12-07T01:00:00.000Z	22 \| good	4.129 \| good	17.228 \| good	20.715 \| good	0.424 \| good	4.317 \| good	0.175 \| good
2025-12-07T02:00:00.000Z	22 \| good	4.243 \| good	18.097 \| good	20.081 \| good	0.446 \| good	4.789 \| good	0.182 \| good
2025-12-07T03:00:00.000Z	22 \| good	3.803 \| good	16.138 \| good	20.006 \| good	0.494 \| good	5.288 \| good	0.19 \| good
2025-12-07T04:00:00.000Z	22 \| good	3.765 \| good	15.901 \| good	19.483 \| good	0.437 \| good	5.231 \| good	0.192 \| good
2025-12-07T05:00:00.000Z	19 \| good	3.175 \| good	12.905 \| good	19.802 \| good	0.334 \| good	4.901 \| good	0.185 \| good
2025-12-07T06:00:00.000Z	18 \| good	2.895 \| good	11.794 \| good	19.442 \| good	0.275 \| good	4.233 \| good	0.18 \| good
2025-12-07T07:00:00.000Z	18 \| good	2.903 \| good	11.33 \| good	19.44 \| good	0.255 \| good	3.606 \| good	0.176 \| good
2025-12-07T07:00:00.000Z	18 \| good	2.895 \| good	11.794 \| good	19.442 \| good	0.275 \| good	4.233 \| good	0.18 \| good
2025-12-07T08:00:00.000Z	18 \| good	3.103 \| good	13.343 \| good	19.101 \| good	0.163 \| good	3.05 \| good	0.17 \| good
2025-12-07T09:00:00.000Z	19 \| good	3.215 \| good	14 \| good	20.648 \| good	0.14 \| good	2.486 \| good	0.163 \| good
2025-12-07T10:00:00.000Z	22 \| good	4.135 \| good	18.106 \| good	20.822 \| good	0.189 \| good	2.306 \| good	0.161 \| good
2025-12-07T11:00:00.000Z	33 \| good	5.696 \| good	24.662 \| good	22.966 \| good	0.237 \| good	2.126 \| good	0.159 \| good
2025-12-07T12:00:00.000Z	38 \| good	6.805 \| good	30.172 \| good	23.708 \| good	0.285 \| good	1.945 \| good	0.157 \| good
2025-12-07T13:00:00.000Z	38 \| good	7.206 \| good	32.033 \| good	22.159 \| good	0.278 \| good	2.005 \| good	0.16 \| good
2025-12-07T14:00:00.000Z	38 \| good	6.623 \| good	29.59 \| good	21.443 \| good	0.27 \| good	2.065 \| good	0.162 \| good
2025-12-07T15:00:00.000Z	38 \| good	7.27 \| good	32.089 \| good	22.098 \| good	0.263 \| good	2.125 \| good	0.165 \| good
2025-12-07T16:00:00.000Z	27 \| good	4.904 \| good	21.164 \| good	22.298 \| good	0.214 \| good	2.003 \| good	0.168 \| good
2025-12-07T17:00:00.000Z	27 \| good	5.405 \| good	23.416 \| good	22.597 \| good	0.166 \| good	1.88 \| good	0.171 \| good
2025-12-07T18:00:00.000Z	27 \| good	5.288 \| good	22.871 \| good	22.638 \| good	0.118 \| good	1.757 \| good	0.174 \| good
2025-12-07T19:00:00.000Z	27 \| good	4.706 \| good	20.662 \| good	21.784 \| good	0.104 \| good	1.744 \| good	0.178 \| good
2025-12-07T20:00:00.000Z	22 \| good	3.909 \| good	17.057 \| good	22.46 \| good	0.089 \| good	1.732 \| good	0.181 \| good
2025-12-07T21:00:00.000Z	22 \| good	3.65 \| good	16 \| good	21.317 \| good	0.075 \| good	1.719 \| good	0.185 \| good
2025-12-07T22:00:00.000Z	22 \| good	3.815 \| good	16.789 \| good	18.775 \| good	0.078 \| good	3.016 \| good	0.199 \| good
2025-12-07T23:00:00.000Z	27 \| good	4.718 \| good	20.892 \| good	17.449 \| good	0.082 \| good	4.312 \| good	0.213 \| good
2025-12-08T00:00:00.000Z	27 \| good	5.185 \| good	22.34 \| good	15.769 \| good	0.085 \| good	5.608 \| good	0.227 \| good
2025-12-08T01:00:00.000Z	27 \| good	5.084 \| good	22.159 \| good	15.827 \| good	0.067 \| good	6.235 \| good	0.235 \| good
2025-12-08T02:00:00.000Z	27 \| good	4.782 \| good	20.964 \| good	16.255 \| good	0.049 \| good	6.863 \| good	0.243 \| good
2025-12-08T03:00:00.000Z	22 \| good	4.446 \| good	19.34 \| good	16.297 \| good	0.031 \| good	7.49 \| good	0.252 \| good
2025-12-08T04:00:00.000Z	27 \| good	4.678 \| good	20.256 \| good	15.829 \| good	0.022 \| good	6.931 \| good	0.242 \| good
2025-12-08T05:00:00.000Z	22 \| good	4.399 \| good	19.066 \| good	15.473 \| good	0.013 \| good	6.373 \| good	0.233 \| good
2025-12-08T06:00:00.000Z	27 \| good	4.723 \| good	20.662 \| good	15.518 \| good	0.005 \| good	5.814 \| good	0.223 \| good
2025-12-08T07:00:00.000Z	27 \| good	4.865 \| good	21.024 \| good	15.809 \| good	0.01 \| good	4.879 \| good	0.204 \| good
2025-12-08T08:00:00.000Z	27 \| good	5.081 \| good	21.92 \| good	15.464 \| good	0.015 \| good	3.943 \| good	0.184 \| good
2025-12-08T09:00:00.000Z	27 \| good	5.142 \| good	22.066 \| good	16.621 \| good	0.021 \| good	3.007 \| good	0.165 \| good
2025-12-08T10:00:00.000Z	33 \| good	6.238 \| good	27.779 \| good	16.74 \| good	0.035 \| good	2.533 \| good	0.153 \| good
2025-12-08T11:00:00.000Z	38 \| good	7.323 \| good	32.027 \| good	17.498 \| good	0.05 \| good	2.058 \| good	0.141 \| good
2025-12-08T12:00:00.000Z	38 \| good	6.884 \| good	30.298 \| good	19.196 \| good	0.065 \| good	1.583 \| good	0.129 \| good
2025-12-08T13:00:00.000Z	33 \| good	5.705 \| good	24.459 \| good	19.297 \| good	0.064 \| good	1.477 \| good	0.127 \| good
2025-12-08T14:00:00.000Z	27 \| good	4.604 \| good	20.048 \| good	19.573 \| good	0.064 \| good	1.371 \| good	0.125 \| good
2025-12-08T15:00:00.000Z	27 \| good	5.228 \| good	22.746 \| good	23.351 \| good	0.063 \| good	1.266 \| good	0.123 \| good
2025-12-08T16:00:00.000Z	25 \| good	3.772 \| good	16.351 \| good	26.742 \| good	0.083 \| good	1.03 \| good	0.121 \| good
2025-12-08T17:00:00.000Z	27 \| good	4.494 \| good	19.322 \| good	28.612 \| good	0.102 \| good	0.794 \| good	0.119 \| good
2025-12-08T18:00:00.000Z	27 \| good	4.574 \| good	19.886 \| good	29.079 \| good	0.121 \| good	0.559 \| good	0.116 \| good
2025-12-08T19:00:00.000Z	28 \| good	4.448 \| good	19.298 \| good	29.568 \| good	0.13 \| good	0.607 \| good	0.118 \| good
2025-12-08T20:00:00.000Z	29 \| good	4.497 \| good	19.382 \| good	30.517 \| good	0.138 \| good	0.656 \| good	0.119 \| good
2025-12-08T21:00:00.000Z	28 \| good	4.255 \| good	18.894 \| good	30.042 \| good	0.147 \| good	0.705 \| good	0.12 \| good
2025-12-08T22:00:00.000Z	27 \| good	4.803 \| good	20.975 \| good	28.071 \| good	0.121 \| good	0.886 \| good	0.121 \| good
2025-12-08T23:00:00.000Z	27 \| good	4.881 \| good	21.124 \| good	24.432 \| good	0.095 \| good	1.067 \| good	0.122 \| good
2025-12-09T00:00:00.000Z	22 \| good	4.222 \| good	18.46 \| good	23.15 \| good	0.069 \| good	1.249 \| good	0.123 \| good
2025-12-09T01:00:00.000Z	22 \| good	4.386 \| good	19.156 \| good	22.265 \| good	0.062 \| good	1.167 \| good	0.12 \| good
2025-12-09T02:00:00.000Z	22 \| good	4.303 \| good	18.925 \| good	19.366 \| good	0.054 \| good	1.085 \| good	0.118 \| good
2025-12-09T03:00:00.000Z	17 \| good	3.257 \| good	14.207 \| good	17.986 \| good	0.047 \| good	1.004 \| good	0.115 \| good
2025-12-09T04:00:00.000Z	16 \| good	3.041 \| good	12.665 \| good	16.763 \| good	0.047 \| good	0.995 \| good	0.114 \| good
2025-12-09T05:00:00.000Z	17 \| good	2.101 \| good	8.38 \| good	17.64 \| good	0.048 \| good	0.986 \| good	0.113 \| good
2025-12-09T06:00:00.000Z	40 \| good	1.798 \| good	1.908 \| good	42.748 \| good	0.047 \| good	0.977 \| good	0.112 \| good
2025-12-09T07:00:00.000Z	19 \| good	1.989 \| good	8.066 \| good	20.835 \| good	0.045 \| good	1.008 \| good	0.112 \| good

Williston, North Dakota live air quality index now

Major air pollutants in Williston, North Dakota

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Williston, North Dakota air quality forecast and history

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Williston, North Dakota air quality map: Track AQI near you

Air quality in nearby cities

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Frequently asked questions

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What is the current air quality in Williston, North Dakota?

What pollutant is the most common in Williston, North Dakota?

What should I do if the air quality in Williston, North Dakota is poor?

What is the current concentration of PM2.5 in Williston, North Dakota?

What is the current concentration of PM10 in Williston, North Dakota?

What is the current concentration of carbon monoxide (CO) in Williston, North Dakota?

What is the current concentration of sulfur dioxide (SO2) in Williston, North Dakota?

What is the current concentration of ozone (O3) in Williston, North Dakota?

What is the current concentration of nitrogen dioxide (NO2) in Williston, North Dakota?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the current concentration of PM_2.5 in Williston, North Dakota?

What is the current concentration of PM₁₀ in Williston, North Dakota?

What is the current concentration of sulfur dioxide (SO₂) in Williston, North Dakota?

What is the current concentration of ozone (O₃) in Williston, North Dakota?

What is the current concentration of nitrogen dioxide (NO₂) in Williston, North Dakota?