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

The current PM10 concentration at Williston, North Dakota is 7.104 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 0.359 ppb.

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

The current ozone (O3) concentration at Williston, North Dakota is 38.266 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 1.752 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 1.727 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)

1.73 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

7.10 μg/m³

155

255

425

605+

Ozone (O₃)

38.27 ppb

201

201+

Sulfur Dioxide (SO₂)

0.36 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.75 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.13 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
2026-09-05T12:00:00.000Z	56 \| moderate	11.691 \| good	52.19 \| good	19.1 \| good	0.28 \| good	2.182 \| good	0.145 \| good
2026-09-05T13:00:00.000Z	54 \| moderate	11.484 \| good	51.903 \| good	18.884 \| good	0.269 \| good	2.375 \| good	0.145 \| good
2026-09-05T14:00:00.000Z	52 \| moderate	10.143 \| good	44.783 \| good	25.351 \| good	0.273 \| good	2.123 \| good	0.148 \| good
2026-09-05T15:00:00.000Z	49 \| good	9.323 \| good	41.736 \| good	31.757 \| good	0.302 \| good	1.501 \| good	0.148 \| good
2026-09-05T16:00:00.000Z	44 \| good	8.369 \| good	36.395 \| good	37.937 \| good	0.324 \| good	1.114 \| good	0.143 \| good
2026-09-05T17:00:00.000Z	40 \| good	6.462 \| good	29.866 \| good	42.59 \| good	0.353 \| good	0.79 \| good	0.141 \| good
2026-09-05T18:00:00.000Z	41 \| good	5.913 \| good	25.735 \| good	44.419 \| good	0.462 \| good	0.611 \| good	0.14 \| good
2026-09-05T19:00:00.000Z	42 \| good	6.472 \| good	28.257 \| good	45.322 \| good	0.341 \| good	0.532 \| good	0.137 \| good
2026-09-05T20:00:00.000Z	44 \| good	8.437 \| good	36.551 \| good	46.211 \| good	0.354 \| good	0.481 \| good	0.135 \| good
2026-09-05T21:00:00.000Z	44 \| good	6.783 \| good	29.494 \| good	47.121 \| good	0.395 \| good	0.499 \| good	0.135 \| good
2026-09-05T22:00:00.000Z	43 \| good	7.048 \| good	30.267 \| good	45.741 \| good	0.434 \| good	0.53 \| good	0.134 \| good
2026-09-05T23:00:00.000Z	41 \| good	6.784 \| good	29.471 \| good	44.464 \| good	0.469 \| good	0.561 \| good	0.131 \| good
2026-09-06T00:00:00.000Z	42 \| good	6.052 \| good	26.572 \| good	44.855 \| good	0.558 \| good	0.687 \| good	0.132 \| good
2026-09-06T01:00:00.000Z	37 \| good	5.231 \| good	21.169 \| good	39.678 \| good	0.594 \| good	1.265 \| good	0.136 \| good
2026-09-06T02:00:00.000Z	49 \| good	8.761 \| good	38.231 \| good	35.657 \| good	0.654 \| good	1.879 \| good	0.139 \| good
2026-09-06T03:00:00.000Z	44 \| good	8.458 \| good	36.975 \| good	31.991 \| good	0.67 \| good	1.994 \| good	0.145 \| good
2026-09-06T04:00:00.000Z	38 \| good	7.339 \| good	32.135 \| good	27.979 \| good	0.648 \| good	2.03 \| good	0.15 \| good
2026-09-06T05:00:00.000Z	27 \| good	5.032 \| good	22.076 \| good	29.042 \| good	0.459 \| good	2.112 \| good	0.154 \| good
2026-09-06T06:00:00.000Z	29 \| good	4.588 \| good	19.514 \| good	30.868 \| good	0.332 \| good	2.026 \| good	0.151 \| good
2026-09-06T07:00:00.000Z	28 \| good	5.191 \| good	21.962 \| good	30.061 \| good	0.268 \| good	1.942 \| good	0.148 \| good
2026-09-06T08:00:00.000Z	33 \| good	5.588 \| good	24.055 \| good	28.145 \| good	0.249 \| good	1.809 \| good	0.145 \| good
2026-09-06T09:00:00.000Z	33 \| good	6.217 \| good	27.651 \| good	25.64 \| good	0.275 \| good	1.822 \| good	0.141 \| good
2026-09-06T10:00:00.000Z	33 \| good	5.543 \| good	23.786 \| good	20.511 \| good	0.279 \| good	1.837 \| good	0.137 \| good
2026-09-06T11:00:00.000Z	27 \| good	4.769 \| good	20.543 \| good	18.39 \| good	0.283 \| good	1.902 \| good	0.136 \| good
2026-09-06T12:00:00.000Z	38 \| good	6.609 \| good	29.485 \| good	9.549 \| good	0.363 \| good	3.257 \| good	0.154 \| good
2026-09-06T13:00:00.000Z	38 \| good	7.294 \| good	32.683 \| good	12.179 \| good	0.36 \| good	3.103 \| good	0.157 \| good
2026-09-06T14:00:00.000Z	38 \| good	7.093 \| good	31.932 \| good	18.132 \| good	0.329 \| good	2.431 \| good	0.16 \| good
2026-09-06T15:00:00.000Z	38 \| good	6.681 \| good	29.904 \| good	26.778 \| good	0.298 \| good	2.108 \| good	0.159 \| good
2026-09-06T16:00:00.000Z	33 \| good	5.569 \| good	22.945 \| good	33.424 \| good	0.3 \| good	1.937 \| good	0.16 \| good
2026-09-06T17:00:00.000Z	34 \| good	4.227 \| good	18.448 \| good	36.744 \| good	0.309 \| good	1.434 \| good	0.156 \| good
2026-09-06T18:00:00.000Z	34 \| good	4.211 \| good	18.181 \| good	37.079 \| good	0.32 \| good	1.083 \| good	0.154 \| good
2026-09-06T19:00:00.000Z	35 \| good	4.727 \| good	20.174 \| good	38.425 \| good	0.438 \| good	0.934 \| good	0.152 \| good
2026-09-06T20:00:00.000Z	38 \| good	3.795 \| good	16.364 \| good	41.316 \| good	0.415 \| good	0.977 \| good	0.15 \| good
2026-09-06T21:00:00.000Z	40 \| good	3.631 \| good	16.451 \| good	43.468 \| good	0.354 \| good	0.861 \| good	0.149 \| good
2026-09-06T22:00:00.000Z	45 \| good	2.707 \| good	10.911 \| good	48.566 \| good	0.309 \| good	1.003 \| good	0.148 \| good
2026-09-06T23:00:00.000Z	45 \| good	2.962 \| good	12.621 \| good	49.484 \| good	0.29 \| good	0.915 \| good	0.149 \| good
2026-09-07T00:00:00.000Z	35 \| good	4.097 \| good	17.653 \| good	37.791 \| good	0.576 \| good	0.825 \| good	0.14 \| good
2026-09-07T01:00:00.000Z	31 \| good	4.724 \| good	20.779 \| good	33.351 \| good	0.6 \| good	1.229 \| good	0.139 \| good
2026-09-07T02:00:00.000Z	31 \| good	5.277 \| good	22.799 \| good	33.258 \| good	0.595 \| good	1.721 \| good	0.141 \| good
2026-09-07T03:00:00.000Z	31 \| good	3.066 \| good	13.269 \| good	34.219 \| good	0.472 \| good	1.786 \| good	0.143 \| good
2026-09-07T04:00:00.000Z	36 \| good	1.863 \| good	8.154 \| good	38.736 \| good	0.427 \| good	1.68 \| good	0.143 \| good
2026-09-07T05:00:00.000Z	32 \| good	2.615 \| good	10.384 \| good	35.287 \| good	0.371 \| good	1.684 \| good	0.14 \| good
2026-09-07T06:00:00.000Z	32 \| good	2.771 \| good	12.614 \| good	35.272 \| good	0.36 \| good	1.676 \| good	0.137 \| good
2026-09-07T07:00:00.000Z	34 \| good	2.424 \| good	11.388 \| good	37.451 \| good	0.337 \| good	1.693 \| good	0.135 \| good
2026-09-07T08:00:00.000Z	37 \| good	2.037 \| good	9.369 \| good	39.766 \| good	0.31 \| good	1.725 \| good	0.132 \| good
2026-09-07T09:00:00.000Z	34 \| good	2.368 \| good	9.598 \| good	37.09 \| good	0.294 \| good	1.741 \| good	0.13 \| good
2026-09-07T10:00:00.000Z	33 \| good	2.047 \| good	8.304 \| good	35.546 \| good	0.316 \| good	1.786 \| good	0.128 \| good
2026-09-07T11:00:00.000Z	35 \| good	1.727 \| good	7.104 \| good	38.266 \| good	0.359 \| good	1.752 \| good	0.13 \| good
2026-09-07T11:00:00.000Z	35 \| good	1.727 \| good	7.104 \| good	38.266 \| good	0.359 \| good	1.752 \| good	0.13 \| good
2026-09-07T12:00:00.000Z	37 \| good	1.673 \| good	6.844 \| good	39.797 \| good	0.218 \| good	1.789 \| good	0.128 \| good
2026-09-07T13:00:00.000Z	37 \| good	1.295 \| good	5 \| good	40.204 \| good	0.194 \| good	1.785 \| good	0.129 \| good
2026-09-07T14:00:00.000Z	33 \| good	1.092 \| good	4.737 \| good	36.408 \| good	0.195 \| good	1.732 \| good	0.13 \| good
2026-09-07T15:00:00.000Z	33 \| good	1.242 \| good	5 \| good	35.662 \| good	0.216 \| good	1.736 \| good	0.129 \| good
2026-09-07T16:00:00.000Z	34 \| good	1.152 \| good	4.74 \| good	36.717 \| good	0.239 \| good	1.528 \| good	0.126 \| good
2026-09-07T17:00:00.000Z	36 \| good	2.183 \| good	8.783 \| good	38.744 \| good	0.244 \| good	1.095 \| good	0.121 \| good
2026-09-07T18:00:00.000Z	38 \| good	2.891 \| good	11.942 \| good	41.075 \| good	0.244 \| good	0.736 \| good	0.116 \| good
2026-09-07T19:00:00.000Z	39 \| good	2.085 \| good	8.059 \| good	42.198 \| good	0.223 \| good	0.588 \| good	0.111 \| good
2026-09-07T20:00:00.000Z	37 \| good	1.376 \| good	5.298 \| good	39.708 \| good	0.211 \| good	0.569 \| good	0.11 \| good
2026-09-07T21:00:00.000Z	35 \| good	0.856 \| good	3.059 \| good	38.172 \| good	0.196 \| good	0.521 \| good	0.116 \| good
2026-09-07T22:00:00.000Z	37 \| good	1.07 \| good	4.531 \| good	40.163 \| good	0.178 \| good	0.43 \| good	0.126 \| good
2026-09-07T23:00:00.000Z	38 \| good	1.919 \| good	7.739 \| good	40.801 \| good	0.14 \| good	0.41 \| good	0.136 \| good
2026-09-08T00:00:00.000Z	36 \| good	3.091 \| good	13.473 \| good	39.143 \| good	0.114 \| good	0.48 \| good	0.142 \| good
2026-09-08T01:00:00.000Z	32 \| good	1.832 \| good	7.789 \| good	34.654 \| good	0.107 \| good	0.647 \| good	0.145 \| good
2026-09-08T02:00:00.000Z	33 \| good	6.229 \| good	27.69 \| good	33.945 \| good	0.098 \| good	0.712 \| good	0.144 \| good
2026-09-08T03:00:00.000Z	30 \| good	3.437 \| good	15.087 \| good	31.896 \| good	0.083 \| good	0.731 \| good	0.138 \| good
2026-09-08T04:00:00.000Z	30 \| good	1.226 \| good	4.934 \| good	32.344 \| good	0.068 \| good	0.755 \| good	0.127 \| good
2026-09-08T05:00:00.000Z	26 \| good	0.631 \| good	2.032 \| good	28.419 \| good	0.059 \| good	0.753 \| good	0.116 \| good
2026-09-08T06:00:00.000Z	27 \| good	1.303 \| good	5.066 \| good	28.66 \| good	0.055 \| good	0.682 \| good	0.112 \| good
2026-09-08T07:00:00.000Z	27 \| good	1.315 \| good	5.059 \| good	28.915 \| good	0.051 \| good	0.659 \| good	0.114 \| good
2026-09-08T08:00:00.000Z	25 \| good	1.127 \| good	4.737 \| good	27.087 \| good	0.051 \| good	0.716 \| good	0.118 \| good
2026-09-08T09:00:00.000Z	25 \| good	1.549 \| good	6.223 \| good	27.498 \| good	0.057 \| good	0.796 \| good	0.121 \| good
2026-09-08T10:00:00.000Z	25 \| good	2.006 \| good	8.055 \| good	26.884 \| good	0.07 \| good	0.858 \| good	0.124 \| good
2026-09-08T11:00:00.000Z	24 \| good	2.303 \| good	9.256 \| good	26.498 \| good	0.084 \| good	0.89 \| good	0.128 \| good
2026-09-08T12:00:00.000Z	26 \| good	2.718 \| good	11.059 \| good	27.922 \| good	0.092 \| good	0.87 \| good	0.132 \| good
2026-09-08T13:00:00.000Z	25 \| good	3.023 \| good	12.245 \| good	27.246 \| good	0.097 \| good	0.821 \| good	0.135 \| good
2026-09-08T14:00:00.000Z	24 \| good	2.782 \| good	11.488 \| good	25.803 \| good	0.106 \| good	0.69 \| good	0.137 \| good
2026-09-08T15:00:00.000Z	24 \| good	2.644 \| good	10.744 \| good	25.61 \| good	0.124 \| good	0.513 \| good	0.137 \| good
2026-09-08T16:00:00.000Z	24 \| good	2.481 \| good	9.983 \| good	26.365 \| good	0.157 \| good	0.393 \| good	0.136 \| good
2026-09-08T17:00:00.000Z	24 \| good	2.604 \| good	10.698 \| good	26.209 \| good	0.182 \| good	0.338 \| good	0.134 \| good
2026-09-08T18:00:00.000Z	27 \| good	2.751 \| good	11.265 \| good	28.604 \| good	0.176 \| good	0.352 \| good	0.131 \| good
2026-09-08T19:00:00.000Z	28 \| good	2.638 \| good	10.827 \| good	30.348 \| good	0.142 \| good	0.328 \| good	0.127 \| good
2026-09-08T20:00:00.000Z	29 \| good	2.713 \| good	11.157 \| good	30.664 \| good	0.14 \| good	0.344 \| good	0.127 \| good
2026-09-08T21:00:00.000Z	28 \| good	2.693 \| good	10.864 \| good	30.056 \| good	0.149 \| good	0.356 \| good	0.127 \| good
2026-09-08T22:00:00.000Z	29 \| good	2.495 \| good	10.131 \| good	30.619 \| good	0.154 \| good	0.342 \| good	0.125 \| good
2026-09-08T23:00:00.000Z	30 \| good	2.275 \| good	9.28 \| good	31.805 \| good	0.166 \| good	0.406 \| good	0.124 \| good
2026-09-09T00:00:00.000Z	29 \| good	2.089 \| good	8.55 \| good	31.371 \| good	0.193 \| good	0.492 \| good	0.123 \| good
2026-09-09T01:00:00.000Z	25 \| good	2.078 \| good	8.514 \| good	27.471 \| good	0.216 \| good	0.606 \| good	0.123 \| good
2026-09-09T02:00:00.000Z	26 \| good	1.38 \| good	5.542 \| good	28.287 \| good	0.237 \| good	0.692 \| good	0.123 \| good
2026-09-09T03:00:00.000Z	24 \| good	1.379 \| good	5.579 \| good	26.123 \| good	0.252 \| good	0.816 \| good	0.124 \| good
2026-09-09T04:00:00.000Z	23 \| good	1.803 \| good	7.532 \| good	25.244 \| good	0.26 \| good	0.928 \| good	0.125 \| good
2026-09-09T05:00:00.000Z	22 \| good	1.933 \| good	8.032 \| good	23.987 \| good	0.268 \| good	1.023 \| good	0.126 \| good
2026-09-09T06:00:00.000Z	22 \| good	2.123 \| good	8.796 \| good	23.984 \| good	0.275 \| good	1.098 \| good	0.127 \| good
2026-09-09T07:00:00.000Z	21 \| good	2.583 \| good	10.757 \| good	23.461 \| good	0.277 \| good	1.129 \| good	0.128 \| good
2026-09-09T08:00:00.000Z	20 \| good	2.785 \| good	11.531 \| good	21.654 \| good	0.276 \| good	1.135 \| good	0.128 \| good
2026-09-09T09:00:00.000Z	17 \| good	3.032 \| good	12.53 \| good	17.945 \| good	0.266 \| good	1.102 \| good	0.128 \| good
2026-09-09T10:00:00.000Z	27 \| good	4.53 \| good	19.439 \| good	17.581 \| good	0.246 \| good	1.049 \| good	0.127 \| good
2026-09-09T11:00:00.000Z	27 \| good	5.062 \| good	22.013 \| good	19.19 \| good	0.236 \| good	1.065 \| good	0.127 \| good

Williston

Get reliable air quality data to drive your business

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

0.12ppm

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

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

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 11:00:00 on 2026-09-06.

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 11:00:00 on 2026-09-06.

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

The current air quality in Williston, North Dakota is 35, 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 1.727 μg/m³.

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

The current PM₁₀ concentration at Williston, North Dakota is 7.104 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 0.13 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 0.359 ppb.

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

The current ozone (O₃) concentration at Williston, North Dakota is 38.266 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 1.752 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-05T12:00:00.000Z	56 \| moderate	11.691 \| good	52.19 \| good	19.1 \| good	0.28 \| good	2.182 \| good	0.145 \| good
2026-09-05T13:00:00.000Z	54 \| moderate	11.484 \| good	51.903 \| good	18.884 \| good	0.269 \| good	2.375 \| good	0.145 \| good
2026-09-05T14:00:00.000Z	52 \| moderate	10.143 \| good	44.783 \| good	25.351 \| good	0.273 \| good	2.123 \| good	0.148 \| good
2026-09-05T15:00:00.000Z	49 \| good	9.323 \| good	41.736 \| good	31.757 \| good	0.302 \| good	1.501 \| good	0.148 \| good
2026-09-05T16:00:00.000Z	44 \| good	8.369 \| good	36.395 \| good	37.937 \| good	0.324 \| good	1.114 \| good	0.143 \| good
2026-09-05T17:00:00.000Z	40 \| good	6.462 \| good	29.866 \| good	42.59 \| good	0.353 \| good	0.79 \| good	0.141 \| good
2026-09-05T18:00:00.000Z	41 \| good	5.913 \| good	25.735 \| good	44.419 \| good	0.462 \| good	0.611 \| good	0.14 \| good
2026-09-05T19:00:00.000Z	42 \| good	6.472 \| good	28.257 \| good	45.322 \| good	0.341 \| good	0.532 \| good	0.137 \| good
2026-09-05T20:00:00.000Z	44 \| good	8.437 \| good	36.551 \| good	46.211 \| good	0.354 \| good	0.481 \| good	0.135 \| good
2026-09-05T21:00:00.000Z	44 \| good	6.783 \| good	29.494 \| good	47.121 \| good	0.395 \| good	0.499 \| good	0.135 \| good
2026-09-05T22:00:00.000Z	43 \| good	7.048 \| good	30.267 \| good	45.741 \| good	0.434 \| good	0.53 \| good	0.134 \| good
2026-09-05T23:00:00.000Z	41 \| good	6.784 \| good	29.471 \| good	44.464 \| good	0.469 \| good	0.561 \| good	0.131 \| good
2026-09-06T00:00:00.000Z	42 \| good	6.052 \| good	26.572 \| good	44.855 \| good	0.558 \| good	0.687 \| good	0.132 \| good
2026-09-06T01:00:00.000Z	37 \| good	5.231 \| good	21.169 \| good	39.678 \| good	0.594 \| good	1.265 \| good	0.136 \| good
2026-09-06T02:00:00.000Z	49 \| good	8.761 \| good	38.231 \| good	35.657 \| good	0.654 \| good	1.879 \| good	0.139 \| good
2026-09-06T03:00:00.000Z	44 \| good	8.458 \| good	36.975 \| good	31.991 \| good	0.67 \| good	1.994 \| good	0.145 \| good
2026-09-06T04:00:00.000Z	38 \| good	7.339 \| good	32.135 \| good	27.979 \| good	0.648 \| good	2.03 \| good	0.15 \| good
2026-09-06T05:00:00.000Z	27 \| good	5.032 \| good	22.076 \| good	29.042 \| good	0.459 \| good	2.112 \| good	0.154 \| good
2026-09-06T06:00:00.000Z	29 \| good	4.588 \| good	19.514 \| good	30.868 \| good	0.332 \| good	2.026 \| good	0.151 \| good
2026-09-06T07:00:00.000Z	28 \| good	5.191 \| good	21.962 \| good	30.061 \| good	0.268 \| good	1.942 \| good	0.148 \| good
2026-09-06T08:00:00.000Z	33 \| good	5.588 \| good	24.055 \| good	28.145 \| good	0.249 \| good	1.809 \| good	0.145 \| good
2026-09-06T09:00:00.000Z	33 \| good	6.217 \| good	27.651 \| good	25.64 \| good	0.275 \| good	1.822 \| good	0.141 \| good
2026-09-06T10:00:00.000Z	33 \| good	5.543 \| good	23.786 \| good	20.511 \| good	0.279 \| good	1.837 \| good	0.137 \| good
2026-09-06T11:00:00.000Z	27 \| good	4.769 \| good	20.543 \| good	18.39 \| good	0.283 \| good	1.902 \| good	0.136 \| good
2026-09-06T12:00:00.000Z	38 \| good	6.609 \| good	29.485 \| good	9.549 \| good	0.363 \| good	3.257 \| good	0.154 \| good
2026-09-06T13:00:00.000Z	38 \| good	7.294 \| good	32.683 \| good	12.179 \| good	0.36 \| good	3.103 \| good	0.157 \| good
2026-09-06T14:00:00.000Z	38 \| good	7.093 \| good	31.932 \| good	18.132 \| good	0.329 \| good	2.431 \| good	0.16 \| good
2026-09-06T15:00:00.000Z	38 \| good	6.681 \| good	29.904 \| good	26.778 \| good	0.298 \| good	2.108 \| good	0.159 \| good
2026-09-06T16:00:00.000Z	33 \| good	5.569 \| good	22.945 \| good	33.424 \| good	0.3 \| good	1.937 \| good	0.16 \| good
2026-09-06T17:00:00.000Z	34 \| good	4.227 \| good	18.448 \| good	36.744 \| good	0.309 \| good	1.434 \| good	0.156 \| good
2026-09-06T18:00:00.000Z	34 \| good	4.211 \| good	18.181 \| good	37.079 \| good	0.32 \| good	1.083 \| good	0.154 \| good
2026-09-06T19:00:00.000Z	35 \| good	4.727 \| good	20.174 \| good	38.425 \| good	0.438 \| good	0.934 \| good	0.152 \| good
2026-09-06T20:00:00.000Z	38 \| good	3.795 \| good	16.364 \| good	41.316 \| good	0.415 \| good	0.977 \| good	0.15 \| good
2026-09-06T21:00:00.000Z	40 \| good	3.631 \| good	16.451 \| good	43.468 \| good	0.354 \| good	0.861 \| good	0.149 \| good
2026-09-06T22:00:00.000Z	45 \| good	2.707 \| good	10.911 \| good	48.566 \| good	0.309 \| good	1.003 \| good	0.148 \| good
2026-09-06T23:00:00.000Z	45 \| good	2.962 \| good	12.621 \| good	49.484 \| good	0.29 \| good	0.915 \| good	0.149 \| good
2026-09-07T00:00:00.000Z	35 \| good	4.097 \| good	17.653 \| good	37.791 \| good	0.576 \| good	0.825 \| good	0.14 \| good
2026-09-07T01:00:00.000Z	31 \| good	4.724 \| good	20.779 \| good	33.351 \| good	0.6 \| good	1.229 \| good	0.139 \| good
2026-09-07T02:00:00.000Z	31 \| good	5.277 \| good	22.799 \| good	33.258 \| good	0.595 \| good	1.721 \| good	0.141 \| good
2026-09-07T03:00:00.000Z	31 \| good	3.066 \| good	13.269 \| good	34.219 \| good	0.472 \| good	1.786 \| good	0.143 \| good
2026-09-07T04:00:00.000Z	36 \| good	1.863 \| good	8.154 \| good	38.736 \| good	0.427 \| good	1.68 \| good	0.143 \| good
2026-09-07T05:00:00.000Z	32 \| good	2.615 \| good	10.384 \| good	35.287 \| good	0.371 \| good	1.684 \| good	0.14 \| good
2026-09-07T06:00:00.000Z	32 \| good	2.771 \| good	12.614 \| good	35.272 \| good	0.36 \| good	1.676 \| good	0.137 \| good
2026-09-07T07:00:00.000Z	34 \| good	2.424 \| good	11.388 \| good	37.451 \| good	0.337 \| good	1.693 \| good	0.135 \| good
2026-09-07T08:00:00.000Z	37 \| good	2.037 \| good	9.369 \| good	39.766 \| good	0.31 \| good	1.725 \| good	0.132 \| good
2026-09-07T09:00:00.000Z	34 \| good	2.368 \| good	9.598 \| good	37.09 \| good	0.294 \| good	1.741 \| good	0.13 \| good
2026-09-07T10:00:00.000Z	33 \| good	2.047 \| good	8.304 \| good	35.546 \| good	0.316 \| good	1.786 \| good	0.128 \| good
2026-09-07T11:00:00.000Z	35 \| good	1.727 \| good	7.104 \| good	38.266 \| good	0.359 \| good	1.752 \| good	0.13 \| good
2026-09-07T11:00:00.000Z	35 \| good	1.727 \| good	7.104 \| good	38.266 \| good	0.359 \| good	1.752 \| good	0.13 \| good
2026-09-07T12:00:00.000Z	37 \| good	1.673 \| good	6.844 \| good	39.797 \| good	0.218 \| good	1.789 \| good	0.128 \| good
2026-09-07T13:00:00.000Z	37 \| good	1.295 \| good	5 \| good	40.204 \| good	0.194 \| good	1.785 \| good	0.129 \| good
2026-09-07T14:00:00.000Z	33 \| good	1.092 \| good	4.737 \| good	36.408 \| good	0.195 \| good	1.732 \| good	0.13 \| good
2026-09-07T15:00:00.000Z	33 \| good	1.242 \| good	5 \| good	35.662 \| good	0.216 \| good	1.736 \| good	0.129 \| good
2026-09-07T16:00:00.000Z	34 \| good	1.152 \| good	4.74 \| good	36.717 \| good	0.239 \| good	1.528 \| good	0.126 \| good
2026-09-07T17:00:00.000Z	36 \| good	2.183 \| good	8.783 \| good	38.744 \| good	0.244 \| good	1.095 \| good	0.121 \| good
2026-09-07T18:00:00.000Z	38 \| good	2.891 \| good	11.942 \| good	41.075 \| good	0.244 \| good	0.736 \| good	0.116 \| good
2026-09-07T19:00:00.000Z	39 \| good	2.085 \| good	8.059 \| good	42.198 \| good	0.223 \| good	0.588 \| good	0.111 \| good
2026-09-07T20:00:00.000Z	37 \| good	1.376 \| good	5.298 \| good	39.708 \| good	0.211 \| good	0.569 \| good	0.11 \| good
2026-09-07T21:00:00.000Z	35 \| good	0.856 \| good	3.059 \| good	38.172 \| good	0.196 \| good	0.521 \| good	0.116 \| good
2026-09-07T22:00:00.000Z	37 \| good	1.07 \| good	4.531 \| good	40.163 \| good	0.178 \| good	0.43 \| good	0.126 \| good
2026-09-07T23:00:00.000Z	38 \| good	1.919 \| good	7.739 \| good	40.801 \| good	0.14 \| good	0.41 \| good	0.136 \| good
2026-09-08T00:00:00.000Z	36 \| good	3.091 \| good	13.473 \| good	39.143 \| good	0.114 \| good	0.48 \| good	0.142 \| good
2026-09-08T01:00:00.000Z	32 \| good	1.832 \| good	7.789 \| good	34.654 \| good	0.107 \| good	0.647 \| good	0.145 \| good
2026-09-08T02:00:00.000Z	33 \| good	6.229 \| good	27.69 \| good	33.945 \| good	0.098 \| good	0.712 \| good	0.144 \| good
2026-09-08T03:00:00.000Z	30 \| good	3.437 \| good	15.087 \| good	31.896 \| good	0.083 \| good	0.731 \| good	0.138 \| good
2026-09-08T04:00:00.000Z	30 \| good	1.226 \| good	4.934 \| good	32.344 \| good	0.068 \| good	0.755 \| good	0.127 \| good
2026-09-08T05:00:00.000Z	26 \| good	0.631 \| good	2.032 \| good	28.419 \| good	0.059 \| good	0.753 \| good	0.116 \| good
2026-09-08T06:00:00.000Z	27 \| good	1.303 \| good	5.066 \| good	28.66 \| good	0.055 \| good	0.682 \| good	0.112 \| good
2026-09-08T07:00:00.000Z	27 \| good	1.315 \| good	5.059 \| good	28.915 \| good	0.051 \| good	0.659 \| good	0.114 \| good
2026-09-08T08:00:00.000Z	25 \| good	1.127 \| good	4.737 \| good	27.087 \| good	0.051 \| good	0.716 \| good	0.118 \| good
2026-09-08T09:00:00.000Z	25 \| good	1.549 \| good	6.223 \| good	27.498 \| good	0.057 \| good	0.796 \| good	0.121 \| good
2026-09-08T10:00:00.000Z	25 \| good	2.006 \| good	8.055 \| good	26.884 \| good	0.07 \| good	0.858 \| good	0.124 \| good
2026-09-08T11:00:00.000Z	24 \| good	2.303 \| good	9.256 \| good	26.498 \| good	0.084 \| good	0.89 \| good	0.128 \| good
2026-09-08T12:00:00.000Z	26 \| good	2.718 \| good	11.059 \| good	27.922 \| good	0.092 \| good	0.87 \| good	0.132 \| good
2026-09-08T13:00:00.000Z	25 \| good	3.023 \| good	12.245 \| good	27.246 \| good	0.097 \| good	0.821 \| good	0.135 \| good
2026-09-08T14:00:00.000Z	24 \| good	2.782 \| good	11.488 \| good	25.803 \| good	0.106 \| good	0.69 \| good	0.137 \| good
2026-09-08T15:00:00.000Z	24 \| good	2.644 \| good	10.744 \| good	25.61 \| good	0.124 \| good	0.513 \| good	0.137 \| good
2026-09-08T16:00:00.000Z	24 \| good	2.481 \| good	9.983 \| good	26.365 \| good	0.157 \| good	0.393 \| good	0.136 \| good
2026-09-08T17:00:00.000Z	24 \| good	2.604 \| good	10.698 \| good	26.209 \| good	0.182 \| good	0.338 \| good	0.134 \| good
2026-09-08T18:00:00.000Z	27 \| good	2.751 \| good	11.265 \| good	28.604 \| good	0.176 \| good	0.352 \| good	0.131 \| good
2026-09-08T19:00:00.000Z	28 \| good	2.638 \| good	10.827 \| good	30.348 \| good	0.142 \| good	0.328 \| good	0.127 \| good
2026-09-08T20:00:00.000Z	29 \| good	2.713 \| good	11.157 \| good	30.664 \| good	0.14 \| good	0.344 \| good	0.127 \| good
2026-09-08T21:00:00.000Z	28 \| good	2.693 \| good	10.864 \| good	30.056 \| good	0.149 \| good	0.356 \| good	0.127 \| good
2026-09-08T22:00:00.000Z	29 \| good	2.495 \| good	10.131 \| good	30.619 \| good	0.154 \| good	0.342 \| good	0.125 \| good
2026-09-08T23:00:00.000Z	30 \| good	2.275 \| good	9.28 \| good	31.805 \| good	0.166 \| good	0.406 \| good	0.124 \| good
2026-09-09T00:00:00.000Z	29 \| good	2.089 \| good	8.55 \| good	31.371 \| good	0.193 \| good	0.492 \| good	0.123 \| good
2026-09-09T01:00:00.000Z	25 \| good	2.078 \| good	8.514 \| good	27.471 \| good	0.216 \| good	0.606 \| good	0.123 \| good
2026-09-09T02:00:00.000Z	26 \| good	1.38 \| good	5.542 \| good	28.287 \| good	0.237 \| good	0.692 \| good	0.123 \| good
2026-09-09T03:00:00.000Z	24 \| good	1.379 \| good	5.579 \| good	26.123 \| good	0.252 \| good	0.816 \| good	0.124 \| good
2026-09-09T04:00:00.000Z	23 \| good	1.803 \| good	7.532 \| good	25.244 \| good	0.26 \| good	0.928 \| good	0.125 \| good
2026-09-09T05:00:00.000Z	22 \| good	1.933 \| good	8.032 \| good	23.987 \| good	0.268 \| good	1.023 \| good	0.126 \| good
2026-09-09T06:00:00.000Z	22 \| good	2.123 \| good	8.796 \| good	23.984 \| good	0.275 \| good	1.098 \| good	0.127 \| good
2026-09-09T07:00:00.000Z	21 \| good	2.583 \| good	10.757 \| good	23.461 \| good	0.277 \| good	1.129 \| good	0.128 \| good
2026-09-09T08:00:00.000Z	20 \| good	2.785 \| good	11.531 \| good	21.654 \| good	0.276 \| good	1.135 \| good	0.128 \| good
2026-09-09T09:00:00.000Z	17 \| good	3.032 \| good	12.53 \| good	17.945 \| good	0.266 \| good	1.102 \| good	0.128 \| good
2026-09-09T10:00:00.000Z	27 \| good	4.53 \| good	19.439 \| good	17.581 \| good	0.246 \| good	1.049 \| good	0.127 \| good
2026-09-09T11:00:00.000Z	27 \| good	5.062 \| good	22.013 \| good	19.19 \| good	0.236 \| good	1.065 \| good	0.127 \| 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

Get reliable air quality data to drive your business

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

Air quality in nearby cities

Dickinson, North Dakota

Minot, North Dakota

Mandan, North Dakota

Bismarck, North Dakota

Jamestown, North Dakota

Spearfish, South Dakota

How accurate is North Dakota, USA air quality data?

Air quality levels in US

Frequently asked questions

How often is the air quality data for Williston, North Dakota updated?

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

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

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?