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

The current PM10 concentration at Williston, North Dakota is 11.195 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 0.632 ppb.

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

The current ozone (O3) concentration at Williston, North Dakota is 34.987 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 0.436 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 2.663 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)

2.66 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

11.20 μg/m³

155

255

425

605+

Ozone (O₃)

34.99 ppb

201

201+

Sulfur Dioxide (SO₂)

0.63 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

0.44 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.14 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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
2026-09-11T21:00:00.000Z	28 \| good	2.238 \| good	9.312 \| good	30.448 \| good	0.747 \| good	0.55 \| good	0.173 \| good
2026-09-11T22:00:00.000Z	28 \| good	1.855 \| good	8.228 \| good	30.274 \| good	0.778 \| good	0.557 \| good	0.175 \| good
2026-09-11T23:00:00.000Z	27 \| good	1.041 \| good	4.41 \| good	29.338 \| good	0.761 \| good	0.604 \| good	0.172 \| good
2026-09-12T00:00:00.000Z	26 \| good	0.788 \| good	3.073 \| good	27.641 \| good	0.541 \| good	0.609 \| good	0.166 \| good
2026-09-12T01:00:00.000Z	22 \| good	0.65 \| good	2.434 \| good	24.429 \| good	0.458 \| good	0.884 \| good	0.161 \| good
2026-09-12T02:00:00.000Z	22 \| good	0.718 \| good	2.444 \| good	23.705 \| good	0.392 \| good	1.146 \| good	0.156 \| good
2026-09-12T03:00:00.000Z	21 \| good	0.866 \| good	3.079 \| good	23.404 \| good	0.296 \| good	1.341 \| good	0.157 \| good
2026-09-12T04:00:00.000Z	21 \| good	0.951 \| good	4.05 \| good	23.498 \| good	0.356 \| good	1.513 \| good	0.151 \| good
2026-09-12T05:00:00.000Z	20 \| good	0.916 \| good	3.414 \| good	21.999 \| good	0.38 \| good	1.587 \| good	0.148 \| good
2026-09-12T06:00:00.000Z	19 \| good	1.22 \| good	5.214 \| good	20.808 \| good	0.401 \| good	1.611 \| good	0.146 \| good
2026-09-12T07:00:00.000Z	19 \| good	1.532 \| good	6.312 \| good	20.731 \| good	0.405 \| good	1.653 \| good	0.146 \| good
2026-09-12T08:00:00.000Z	18 \| good	1.485 \| good	6.185 \| good	18.553 \| good	0.382 \| good	1.679 \| good	0.144 \| good
2026-09-12T09:00:00.000Z	16 \| good	1.228 \| good	5.141 \| good	17.468 \| good	0.358 \| good	1.669 \| good	0.143 \| good
2026-09-12T10:00:00.000Z	16 \| good	1.018 \| good	4.382 \| good	16.548 \| good	0.327 \| good	1.645 \| good	0.145 \| good
2026-09-12T11:00:00.000Z	15 \| good	1.09 \| good	4.603 \| good	16.114 \| good	0.29 \| good	1.721 \| good	0.146 \| good
2026-09-12T12:00:00.000Z	15 \| good	1.871 \| good	7.425 \| good	15.594 \| good	0.302 \| good	1.877 \| good	0.15 \| good
2026-09-12T13:00:00.000Z	18 \| good	1.817 \| good	6.92 \| good	18.934 \| good	0.293 \| good	2.046 \| good	0.151 \| good
2026-09-12T14:00:00.000Z	21 \| good	0.987 \| good	4.2 \| good	22.86 \| good	0.294 \| good	1.725 \| good	0.154 \| good
2026-09-12T15:00:00.000Z	21 \| good	0.891 \| good	3.402 \| good	23.257 \| good	0.372 \| good	1.197 \| good	0.155 \| good
2026-09-12T16:00:00.000Z	21 \| good	0.906 \| good	3.378 \| good	23.297 \| good	0.36 \| good	0.81 \| good	0.157 \| good
2026-09-12T17:00:00.000Z	23 \| good	0.997 \| good	4.082 \| good	25.227 \| good	0.456 \| good	0.606 \| good	0.154 \| good
2026-09-12T18:00:00.000Z	24 \| good	1.087 \| good	4.276 \| good	26.378 \| good	0.297 \| good	0.486 \| good	0.152 \| good
2026-09-12T19:00:00.000Z	26 \| good	1.216 \| good	5.086 \| good	27.851 \| good	0.337 \| good	0.488 \| good	0.151 \| good
2026-09-12T20:00:00.000Z	28 \| good	1.361 \| good	5.337 \| good	29.967 \| good	0.352 \| good	0.457 \| good	0.144 \| good
2026-09-12T21:00:00.000Z	30 \| good	1.489 \| good	6.404 \| good	31.555 \| good	0.388 \| good	0.445 \| good	0.142 \| good
2026-09-12T22:00:00.000Z	31 \| good	1.721 \| good	7.339 \| good	32.947 \| good	0.45 \| good	0.482 \| good	0.14 \| good
2026-09-12T23:00:00.000Z	31 \| good	1.906 \| good	8.804 \| good	32.856 \| good	0.51 \| good	0.5 \| good	0.139 \| good
2026-09-13T00:00:00.000Z	29 \| good	1.497 \| good	6.42 \| good	31.497 \| good	0.454 \| good	0.604 \| good	0.137 \| good
2026-09-13T01:00:00.000Z	25 \| good	1.768 \| good	7.108 \| good	26.533 \| good	0.456 \| good	1.108 \| good	0.138 \| good
2026-09-13T02:00:00.000Z	24 \| good	1.119 \| good	4.816 \| good	26.475 \| good	0.422 \| good	1.902 \| good	0.141 \| good
2026-09-13T03:00:00.000Z	21 \| good	0.645 \| good	2 \| good	23.244 \| good	0.345 \| good	2.83 \| good	0.146 \| good
2026-09-13T04:00:00.000Z	21 \| good	1.086 \| good	4.582 \| good	22.557 \| good	0.386 \| good	3.504 \| good	0.148 \| good
2026-09-13T05:00:00.000Z	19 \| good	1.396 \| good	5.475 \| good	19.915 \| good	0.384 \| good	4.298 \| good	0.152 \| good
2026-09-13T06:00:00.000Z	15 \| good	1.474 \| good	5.768 \| good	16.264 \| good	0.389 \| good	5.176 \| good	0.155 \| good
2026-09-13T07:00:00.000Z	13 \| good	1.591 \| good	6.777 \| good	14.414 \| good	0.392 \| good	5.933 \| good	0.158 \| good
2026-09-13T08:00:00.000Z	12 \| good	1.634 \| good	6.638 \| good	12.922 \| good	0.392 \| good	6.395 \| good	0.16 \| good
2026-09-13T09:00:00.000Z	11 \| good	1.508 \| good	6.064 \| good	12.293 \| good	0.403 \| good	6.445 \| good	0.162 \| good
2026-09-13T10:00:00.000Z	12 \| good	2.413 \| good	10.06 \| good	13.428 \| good	0.426 \| good	6.464 \| good	0.16 \| good
2026-09-13T11:00:00.000Z	16 \| good	2.977 \| good	11.737 \| good	13.499 \| good	0.465 \| good	6.469 \| good	0.163 \| good
2026-09-13T12:00:00.000Z	22 \| good	3.649 \| good	15.774 \| good	10.522 \| good	0.594 \| good	6.452 \| good	0.163 \| good
2026-09-13T13:00:00.000Z	22 \| good	3.923 \| good	17.159 \| good	12.005 \| good	0.65 \| good	5.921 \| good	0.165 \| good
2026-09-13T14:00:00.000Z	22 \| good	4.188 \| good	18.389 \| good	16.873 \| good	0.693 \| good	4.022 \| good	0.159 \| good
2026-09-13T15:00:00.000Z	22 \| good	3.991 \| good	17.721 \| good	24.374 \| good	0.978 \| good	2.116 \| good	0.151 \| good
2026-09-13T16:00:00.000Z	26 \| good	3.675 \| good	15.88 \| good	28.339 \| good	1.1 \| good	1.163 \| good	0.143 \| good
2026-09-13T17:00:00.000Z	30 \| good	3.601 \| good	15.631 \| good	32.327 \| good	0.935 \| good	0.754 \| good	0.142 \| good
2026-09-13T18:00:00.000Z	31 \| good	3.414 \| good	14.747 \| good	33.693 \| good	0.685 \| good	0.781 \| good	0.141 \| good
2026-09-13T19:00:00.000Z	31 \| good	2.641 \| good	11.077 \| good	34.313 \| good	0.637 \| good	0.486 \| good	0.141 \| good
2026-09-13T20:00:00.000Z	32 \| good	2.663 \| good	11.195 \| good	34.987 \| good	0.632 \| good	0.436 \| good	0.139 \| good
2026-09-13T20:00:00.000Z	32 \| good	2.663 \| good	11.195 \| good	34.987 \| good	0.632 \| good	0.436 \| good	0.139 \| good
2026-09-13T21:00:00.000Z	34 \| good	2.652 \| good	11 \| good	36.889 \| good	0.616 \| good	0.352 \| good	0.141 \| good
2026-09-13T22:00:00.000Z	35 \| good	2.782 \| good	11.382 \| good	37.642 \| good	0.65 \| good	0.378 \| good	0.14 \| good
2026-09-13T23:00:00.000Z	35 \| good	2.426 \| good	9.964 \| good	37.867 \| good	0.665 \| good	0.439 \| good	0.14 \| good
2026-09-14T00:00:00.000Z	31 \| good	2.174 \| good	8.991 \| good	32.765 \| good	0.651 \| good	0.6 \| good	0.141 \| good
2026-09-14T01:00:00.000Z	26 \| good	3.256 \| good	14.207 \| good	28.254 \| good	0.629 \| good	1.026 \| good	0.142 \| good
2026-09-14T02:00:00.000Z	28 \| good	2.994 \| good	12.198 \| good	29.625 \| good	0.616 \| good	1.281 \| good	0.143 \| good
2026-09-14T03:00:00.000Z	26 \| good	3.397 \| good	14.985 \| good	28.438 \| good	0.59 \| good	1.37 \| good	0.143 \| good
2026-09-14T04:00:00.000Z	22 \| good	3.134 \| good	13.577 \| good	24.076 \| good	0.554 \| good	1.389 \| good	0.144 \| good
2026-09-14T05:00:00.000Z	20 \| good	3.443 \| good	15.059 \| good	21.752 \| good	0.478 \| good	1.358 \| good	0.144 \| good
2026-09-14T06:00:00.000Z	17 \| good	2.734 \| good	11.265 \| good	18.488 \| good	0.394 \| good	1.307 \| good	0.145 \| good
2026-09-14T07:00:00.000Z	18 \| good	2.676 \| good	10.985 \| good	18.64 \| good	0.329 \| good	1.291 \| good	0.145 \| good
2026-09-14T08:00:00.000Z	19 \| good	2.497 \| good	10.066 \| good	20.929 \| good	0.294 \| good	1.316 \| good	0.144 \| good
2026-09-14T09:00:00.000Z	21 \| good	2.533 \| good	10.066 \| good	23.235 \| good	0.282 \| good	1.381 \| good	0.144 \| good
2026-09-14T10:00:00.000Z	27 \| good	3.085 \| good	13.343 \| good	29.056 \| good	0.283 \| good	1.452 \| good	0.143 \| good
2026-09-14T11:00:00.000Z	28 \| good	3.556 \| good	15.737 \| good	29.839 \| good	0.292 \| good	1.484 \| good	0.142 \| good
2026-09-14T12:00:00.000Z	24 \| good	3.788 \| good	16.265 \| good	25.625 \| good	0.295 \| good	1.47 \| good	0.141 \| good
2026-09-14T13:00:00.000Z	22 \| good	3.783 \| good	16.265 \| good	23.702 \| good	0.277 \| good	1.571 \| good	0.14 \| good
2026-09-14T14:00:00.000Z	22 \| good	3.179 \| good	13.824 \| good	24.499 \| good	0.226 \| good	1.698 \| good	0.139 \| good
2026-09-14T15:00:00.000Z	24 \| good	3.355 \| good	14.967 \| good	26.339 \| good	0.173 \| good	1.694 \| good	0.138 \| good
2026-09-14T16:00:00.000Z	29 \| good	2.123 \| good	8.876 \| good	30.733 \| good	0.163 \| good	1.464 \| good	0.137 \| good
2026-09-14T17:00:00.000Z	31 \| good	0.684 \| good	2.351 \| good	33.175 \| good	0.171 \| good	1.231 \| good	0.137 \| good
2026-09-14T18:00:00.000Z	31 \| good	0.748 \| good	2.855 \| good	33.966 \| good	0.137 \| good	0.937 \| good	0.138 \| good
2026-09-14T19:00:00.000Z	33 \| good	2.098 \| good	8.382 \| good	36.494 \| good	0.179 \| good	0.721 \| good	0.139 \| good
2026-09-14T20:00:00.000Z	33 \| good	1.399 \| good	5.382 \| good	36.186 \| good	0.257 \| good	0.48 \| good	0.139 \| good
2026-09-14T21:00:00.000Z	33 \| good	0.912 \| good	3.704 \| good	35.756 \| good	0.212 \| good	0.366 \| good	0.142 \| good
2026-09-14T22:00:00.000Z	33 \| good	1.137 \| good	4.77 \| good	36.296 \| good	0.162 \| good	0.305 \| good	0.153 \| good
2026-09-14T23:00:00.000Z	32 \| good	2.511 \| good	10.059 \| good	34.917 \| good	0.18 \| good	0.323 \| good	0.163 \| good
2026-09-15T00:00:00.000Z	28 \| good	1.682 \| good	7 \| good	30.16 \| good	0.186 \| good	0.432 \| good	0.166 \| good
2026-09-15T01:00:00.000Z	28 \| good	1.493 \| good	6 \| good	29.947 \| good	0.162 \| good	0.591 \| good	0.161 \| good
2026-09-15T02:00:00.000Z	27 \| good	1.558 \| good	6.266 \| good	29.11 \| good	0.126 \| good	0.847 \| good	0.151 \| good
2026-09-15T03:00:00.000Z	28 \| good	1.273 \| good	5 \| good	29.638 \| good	0.113 \| good	1.062 \| good	0.144 \| good
2026-09-15T04:00:00.000Z	26 \| good	1.258 \| good	5 \| good	28.231 \| good	0.155 \| good	1.204 \| good	0.141 \| good
2026-09-15T05:00:00.000Z	25 \| good	1.329 \| good	5.059 \| good	26.816 \| good	0.251 \| good	1.47 \| good	0.144 \| good
2026-09-15T06:00:00.000Z	21 \| good	1.7 \| good	6.828 \| good	22.728 \| good	0.384 \| good	1.784 \| good	0.147 \| good
2026-09-15T07:00:00.000Z	20 \| good	2.898 \| good	11.929 \| good	22.318 \| good	0.475 \| good	1.905 \| good	0.147 \| good
2026-09-15T08:00:00.000Z	22 \| good	4.369 \| good	18.913 \| good	23.385 \| good	0.468 \| good	1.854 \| good	0.146 \| good
2026-09-15T09:00:00.000Z	22 \| good	4.166 \| good	18.117 \| good	22.884 \| good	0.398 \| good	1.736 \| good	0.146 \| good
2026-09-15T10:00:00.000Z	19 \| good	2.625 \| good	10.761 \| good	20.935 \| good	0.309 \| good	1.565 \| good	0.146 \| good
2026-09-15T11:00:00.000Z	19 \| good	0.99 \| good	4.009 \| good	19.929 \| good	0.226 \| good	1.368 \| good	0.147 \| good
2026-09-15T12:00:00.000Z	18 \| good	0.688 \| good	2.298 \| good	18.683 \| good	0.181 \| good	1.184 \| good	0.149 \| good
2026-09-15T13:00:00.000Z	19 \| good	0.911 \| good	3.737 \| good	19.828 \| good	0.179 \| good	1.101 \| good	0.151 \| good
2026-09-15T14:00:00.000Z	19 \| good	0.669 \| good	2.531 \| good	20.977 \| good	0.179 \| good	0.877 \| good	0.152 \| good
2026-09-15T15:00:00.000Z	21 \| good	0.429 \| good	1.698 \| good	22.56 \| good	0.166 \| good	0.725 \| good	0.154 \| good
2026-09-15T16:00:00.000Z	22 \| good	0.458 \| good	1.779 \| good	23.681 \| good	0.15 \| good	0.596 \| good	0.155 \| good
2026-09-15T17:00:00.000Z	23 \| good	0.598 \| good	2.032 \| good	24.863 \| good	0.132 \| good	0.473 \| good	0.157 \| good
2026-09-15T18:00:00.000Z	24 \| good	0.698 \| good	2.737 \| good	26.035 \| good	0.132 \| good	0.418 \| good	0.158 \| good
2026-09-15T19:00:00.000Z	24 \| good	0.682 \| good	2.531 \| good	26.23 \| good	0.132 \| good	0.371 \| good	0.159 \| good
2026-09-15T20:00:00.000Z	26 \| good	0.869 \| good	3.098 \| good	28.037 \| good	0.13 \| good	0.318 \| good	0.159 \| good

Williston

Get reliable air quality data to drive your business

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

0.14ppm

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 07:00:00 on 2026-09-13.

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 09:00:00 on 2026-09-13.

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

The current air quality in Williston, North Dakota is 32, 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 2.663 μg/m³.

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

The current PM₁₀ concentration at Williston, North Dakota is 11.195 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 0.139 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 0.632 ppb.

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

The current ozone (O₃) concentration at Williston, North Dakota is 34.987 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 0.436 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-11T21:00:00.000Z	28 \| good	2.238 \| good	9.312 \| good	30.448 \| good	0.747 \| good	0.55 \| good	0.173 \| good
2026-09-11T22:00:00.000Z	28 \| good	1.855 \| good	8.228 \| good	30.274 \| good	0.778 \| good	0.557 \| good	0.175 \| good
2026-09-11T23:00:00.000Z	27 \| good	1.041 \| good	4.41 \| good	29.338 \| good	0.761 \| good	0.604 \| good	0.172 \| good
2026-09-12T00:00:00.000Z	26 \| good	0.788 \| good	3.073 \| good	27.641 \| good	0.541 \| good	0.609 \| good	0.166 \| good
2026-09-12T01:00:00.000Z	22 \| good	0.65 \| good	2.434 \| good	24.429 \| good	0.458 \| good	0.884 \| good	0.161 \| good
2026-09-12T02:00:00.000Z	22 \| good	0.718 \| good	2.444 \| good	23.705 \| good	0.392 \| good	1.146 \| good	0.156 \| good
2026-09-12T03:00:00.000Z	21 \| good	0.866 \| good	3.079 \| good	23.404 \| good	0.296 \| good	1.341 \| good	0.157 \| good
2026-09-12T04:00:00.000Z	21 \| good	0.951 \| good	4.05 \| good	23.498 \| good	0.356 \| good	1.513 \| good	0.151 \| good
2026-09-12T05:00:00.000Z	20 \| good	0.916 \| good	3.414 \| good	21.999 \| good	0.38 \| good	1.587 \| good	0.148 \| good
2026-09-12T06:00:00.000Z	19 \| good	1.22 \| good	5.214 \| good	20.808 \| good	0.401 \| good	1.611 \| good	0.146 \| good
2026-09-12T07:00:00.000Z	19 \| good	1.532 \| good	6.312 \| good	20.731 \| good	0.405 \| good	1.653 \| good	0.146 \| good
2026-09-12T08:00:00.000Z	18 \| good	1.485 \| good	6.185 \| good	18.553 \| good	0.382 \| good	1.679 \| good	0.144 \| good
2026-09-12T09:00:00.000Z	16 \| good	1.228 \| good	5.141 \| good	17.468 \| good	0.358 \| good	1.669 \| good	0.143 \| good
2026-09-12T10:00:00.000Z	16 \| good	1.018 \| good	4.382 \| good	16.548 \| good	0.327 \| good	1.645 \| good	0.145 \| good
2026-09-12T11:00:00.000Z	15 \| good	1.09 \| good	4.603 \| good	16.114 \| good	0.29 \| good	1.721 \| good	0.146 \| good
2026-09-12T12:00:00.000Z	15 \| good	1.871 \| good	7.425 \| good	15.594 \| good	0.302 \| good	1.877 \| good	0.15 \| good
2026-09-12T13:00:00.000Z	18 \| good	1.817 \| good	6.92 \| good	18.934 \| good	0.293 \| good	2.046 \| good	0.151 \| good
2026-09-12T14:00:00.000Z	21 \| good	0.987 \| good	4.2 \| good	22.86 \| good	0.294 \| good	1.725 \| good	0.154 \| good
2026-09-12T15:00:00.000Z	21 \| good	0.891 \| good	3.402 \| good	23.257 \| good	0.372 \| good	1.197 \| good	0.155 \| good
2026-09-12T16:00:00.000Z	21 \| good	0.906 \| good	3.378 \| good	23.297 \| good	0.36 \| good	0.81 \| good	0.157 \| good
2026-09-12T17:00:00.000Z	23 \| good	0.997 \| good	4.082 \| good	25.227 \| good	0.456 \| good	0.606 \| good	0.154 \| good
2026-09-12T18:00:00.000Z	24 \| good	1.087 \| good	4.276 \| good	26.378 \| good	0.297 \| good	0.486 \| good	0.152 \| good
2026-09-12T19:00:00.000Z	26 \| good	1.216 \| good	5.086 \| good	27.851 \| good	0.337 \| good	0.488 \| good	0.151 \| good
2026-09-12T20:00:00.000Z	28 \| good	1.361 \| good	5.337 \| good	29.967 \| good	0.352 \| good	0.457 \| good	0.144 \| good
2026-09-12T21:00:00.000Z	30 \| good	1.489 \| good	6.404 \| good	31.555 \| good	0.388 \| good	0.445 \| good	0.142 \| good
2026-09-12T22:00:00.000Z	31 \| good	1.721 \| good	7.339 \| good	32.947 \| good	0.45 \| good	0.482 \| good	0.14 \| good
2026-09-12T23:00:00.000Z	31 \| good	1.906 \| good	8.804 \| good	32.856 \| good	0.51 \| good	0.5 \| good	0.139 \| good
2026-09-13T00:00:00.000Z	29 \| good	1.497 \| good	6.42 \| good	31.497 \| good	0.454 \| good	0.604 \| good	0.137 \| good
2026-09-13T01:00:00.000Z	25 \| good	1.768 \| good	7.108 \| good	26.533 \| good	0.456 \| good	1.108 \| good	0.138 \| good
2026-09-13T02:00:00.000Z	24 \| good	1.119 \| good	4.816 \| good	26.475 \| good	0.422 \| good	1.902 \| good	0.141 \| good
2026-09-13T03:00:00.000Z	21 \| good	0.645 \| good	2 \| good	23.244 \| good	0.345 \| good	2.83 \| good	0.146 \| good
2026-09-13T04:00:00.000Z	21 \| good	1.086 \| good	4.582 \| good	22.557 \| good	0.386 \| good	3.504 \| good	0.148 \| good
2026-09-13T05:00:00.000Z	19 \| good	1.396 \| good	5.475 \| good	19.915 \| good	0.384 \| good	4.298 \| good	0.152 \| good
2026-09-13T06:00:00.000Z	15 \| good	1.474 \| good	5.768 \| good	16.264 \| good	0.389 \| good	5.176 \| good	0.155 \| good
2026-09-13T07:00:00.000Z	13 \| good	1.591 \| good	6.777 \| good	14.414 \| good	0.392 \| good	5.933 \| good	0.158 \| good
2026-09-13T08:00:00.000Z	12 \| good	1.634 \| good	6.638 \| good	12.922 \| good	0.392 \| good	6.395 \| good	0.16 \| good
2026-09-13T09:00:00.000Z	11 \| good	1.508 \| good	6.064 \| good	12.293 \| good	0.403 \| good	6.445 \| good	0.162 \| good
2026-09-13T10:00:00.000Z	12 \| good	2.413 \| good	10.06 \| good	13.428 \| good	0.426 \| good	6.464 \| good	0.16 \| good
2026-09-13T11:00:00.000Z	16 \| good	2.977 \| good	11.737 \| good	13.499 \| good	0.465 \| good	6.469 \| good	0.163 \| good
2026-09-13T12:00:00.000Z	22 \| good	3.649 \| good	15.774 \| good	10.522 \| good	0.594 \| good	6.452 \| good	0.163 \| good
2026-09-13T13:00:00.000Z	22 \| good	3.923 \| good	17.159 \| good	12.005 \| good	0.65 \| good	5.921 \| good	0.165 \| good
2026-09-13T14:00:00.000Z	22 \| good	4.188 \| good	18.389 \| good	16.873 \| good	0.693 \| good	4.022 \| good	0.159 \| good
2026-09-13T15:00:00.000Z	22 \| good	3.991 \| good	17.721 \| good	24.374 \| good	0.978 \| good	2.116 \| good	0.151 \| good
2026-09-13T16:00:00.000Z	26 \| good	3.675 \| good	15.88 \| good	28.339 \| good	1.1 \| good	1.163 \| good	0.143 \| good
2026-09-13T17:00:00.000Z	30 \| good	3.601 \| good	15.631 \| good	32.327 \| good	0.935 \| good	0.754 \| good	0.142 \| good
2026-09-13T18:00:00.000Z	31 \| good	3.414 \| good	14.747 \| good	33.693 \| good	0.685 \| good	0.781 \| good	0.141 \| good
2026-09-13T19:00:00.000Z	31 \| good	2.641 \| good	11.077 \| good	34.313 \| good	0.637 \| good	0.486 \| good	0.141 \| good
2026-09-13T20:00:00.000Z	32 \| good	2.663 \| good	11.195 \| good	34.987 \| good	0.632 \| good	0.436 \| good	0.139 \| good
2026-09-13T20:00:00.000Z	32 \| good	2.663 \| good	11.195 \| good	34.987 \| good	0.632 \| good	0.436 \| good	0.139 \| good
2026-09-13T21:00:00.000Z	34 \| good	2.652 \| good	11 \| good	36.889 \| good	0.616 \| good	0.352 \| good	0.141 \| good
2026-09-13T22:00:00.000Z	35 \| good	2.782 \| good	11.382 \| good	37.642 \| good	0.65 \| good	0.378 \| good	0.14 \| good
2026-09-13T23:00:00.000Z	35 \| good	2.426 \| good	9.964 \| good	37.867 \| good	0.665 \| good	0.439 \| good	0.14 \| good
2026-09-14T00:00:00.000Z	31 \| good	2.174 \| good	8.991 \| good	32.765 \| good	0.651 \| good	0.6 \| good	0.141 \| good
2026-09-14T01:00:00.000Z	26 \| good	3.256 \| good	14.207 \| good	28.254 \| good	0.629 \| good	1.026 \| good	0.142 \| good
2026-09-14T02:00:00.000Z	28 \| good	2.994 \| good	12.198 \| good	29.625 \| good	0.616 \| good	1.281 \| good	0.143 \| good
2026-09-14T03:00:00.000Z	26 \| good	3.397 \| good	14.985 \| good	28.438 \| good	0.59 \| good	1.37 \| good	0.143 \| good
2026-09-14T04:00:00.000Z	22 \| good	3.134 \| good	13.577 \| good	24.076 \| good	0.554 \| good	1.389 \| good	0.144 \| good
2026-09-14T05:00:00.000Z	20 \| good	3.443 \| good	15.059 \| good	21.752 \| good	0.478 \| good	1.358 \| good	0.144 \| good
2026-09-14T06:00:00.000Z	17 \| good	2.734 \| good	11.265 \| good	18.488 \| good	0.394 \| good	1.307 \| good	0.145 \| good
2026-09-14T07:00:00.000Z	18 \| good	2.676 \| good	10.985 \| good	18.64 \| good	0.329 \| good	1.291 \| good	0.145 \| good
2026-09-14T08:00:00.000Z	19 \| good	2.497 \| good	10.066 \| good	20.929 \| good	0.294 \| good	1.316 \| good	0.144 \| good
2026-09-14T09:00:00.000Z	21 \| good	2.533 \| good	10.066 \| good	23.235 \| good	0.282 \| good	1.381 \| good	0.144 \| good
2026-09-14T10:00:00.000Z	27 \| good	3.085 \| good	13.343 \| good	29.056 \| good	0.283 \| good	1.452 \| good	0.143 \| good
2026-09-14T11:00:00.000Z	28 \| good	3.556 \| good	15.737 \| good	29.839 \| good	0.292 \| good	1.484 \| good	0.142 \| good
2026-09-14T12:00:00.000Z	24 \| good	3.788 \| good	16.265 \| good	25.625 \| good	0.295 \| good	1.47 \| good	0.141 \| good
2026-09-14T13:00:00.000Z	22 \| good	3.783 \| good	16.265 \| good	23.702 \| good	0.277 \| good	1.571 \| good	0.14 \| good
2026-09-14T14:00:00.000Z	22 \| good	3.179 \| good	13.824 \| good	24.499 \| good	0.226 \| good	1.698 \| good	0.139 \| good
2026-09-14T15:00:00.000Z	24 \| good	3.355 \| good	14.967 \| good	26.339 \| good	0.173 \| good	1.694 \| good	0.138 \| good
2026-09-14T16:00:00.000Z	29 \| good	2.123 \| good	8.876 \| good	30.733 \| good	0.163 \| good	1.464 \| good	0.137 \| good
2026-09-14T17:00:00.000Z	31 \| good	0.684 \| good	2.351 \| good	33.175 \| good	0.171 \| good	1.231 \| good	0.137 \| good
2026-09-14T18:00:00.000Z	31 \| good	0.748 \| good	2.855 \| good	33.966 \| good	0.137 \| good	0.937 \| good	0.138 \| good
2026-09-14T19:00:00.000Z	33 \| good	2.098 \| good	8.382 \| good	36.494 \| good	0.179 \| good	0.721 \| good	0.139 \| good
2026-09-14T20:00:00.000Z	33 \| good	1.399 \| good	5.382 \| good	36.186 \| good	0.257 \| good	0.48 \| good	0.139 \| good
2026-09-14T21:00:00.000Z	33 \| good	0.912 \| good	3.704 \| good	35.756 \| good	0.212 \| good	0.366 \| good	0.142 \| good
2026-09-14T22:00:00.000Z	33 \| good	1.137 \| good	4.77 \| good	36.296 \| good	0.162 \| good	0.305 \| good	0.153 \| good
2026-09-14T23:00:00.000Z	32 \| good	2.511 \| good	10.059 \| good	34.917 \| good	0.18 \| good	0.323 \| good	0.163 \| good
2026-09-15T00:00:00.000Z	28 \| good	1.682 \| good	7 \| good	30.16 \| good	0.186 \| good	0.432 \| good	0.166 \| good
2026-09-15T01:00:00.000Z	28 \| good	1.493 \| good	6 \| good	29.947 \| good	0.162 \| good	0.591 \| good	0.161 \| good
2026-09-15T02:00:00.000Z	27 \| good	1.558 \| good	6.266 \| good	29.11 \| good	0.126 \| good	0.847 \| good	0.151 \| good
2026-09-15T03:00:00.000Z	28 \| good	1.273 \| good	5 \| good	29.638 \| good	0.113 \| good	1.062 \| good	0.144 \| good
2026-09-15T04:00:00.000Z	26 \| good	1.258 \| good	5 \| good	28.231 \| good	0.155 \| good	1.204 \| good	0.141 \| good
2026-09-15T05:00:00.000Z	25 \| good	1.329 \| good	5.059 \| good	26.816 \| good	0.251 \| good	1.47 \| good	0.144 \| good
2026-09-15T06:00:00.000Z	21 \| good	1.7 \| good	6.828 \| good	22.728 \| good	0.384 \| good	1.784 \| good	0.147 \| good
2026-09-15T07:00:00.000Z	20 \| good	2.898 \| good	11.929 \| good	22.318 \| good	0.475 \| good	1.905 \| good	0.147 \| good
2026-09-15T08:00:00.000Z	22 \| good	4.369 \| good	18.913 \| good	23.385 \| good	0.468 \| good	1.854 \| good	0.146 \| good
2026-09-15T09:00:00.000Z	22 \| good	4.166 \| good	18.117 \| good	22.884 \| good	0.398 \| good	1.736 \| good	0.146 \| good
2026-09-15T10:00:00.000Z	19 \| good	2.625 \| good	10.761 \| good	20.935 \| good	0.309 \| good	1.565 \| good	0.146 \| good
2026-09-15T11:00:00.000Z	19 \| good	0.99 \| good	4.009 \| good	19.929 \| good	0.226 \| good	1.368 \| good	0.147 \| good
2026-09-15T12:00:00.000Z	18 \| good	0.688 \| good	2.298 \| good	18.683 \| good	0.181 \| good	1.184 \| good	0.149 \| good
2026-09-15T13:00:00.000Z	19 \| good	0.911 \| good	3.737 \| good	19.828 \| good	0.179 \| good	1.101 \| good	0.151 \| good
2026-09-15T14:00:00.000Z	19 \| good	0.669 \| good	2.531 \| good	20.977 \| good	0.179 \| good	0.877 \| good	0.152 \| good
2026-09-15T15:00:00.000Z	21 \| good	0.429 \| good	1.698 \| good	22.56 \| good	0.166 \| good	0.725 \| good	0.154 \| good
2026-09-15T16:00:00.000Z	22 \| good	0.458 \| good	1.779 \| good	23.681 \| good	0.15 \| good	0.596 \| good	0.155 \| good
2026-09-15T17:00:00.000Z	23 \| good	0.598 \| good	2.032 \| good	24.863 \| good	0.132 \| good	0.473 \| good	0.157 \| good
2026-09-15T18:00:00.000Z	24 \| good	0.698 \| good	2.737 \| good	26.035 \| good	0.132 \| good	0.418 \| good	0.158 \| good
2026-09-15T19:00:00.000Z	24 \| good	0.682 \| good	2.531 \| good	26.23 \| good	0.132 \| good	0.371 \| good	0.159 \| good
2026-09-15T20:00:00.000Z	26 \| good	0.869 \| good	3.098 \| good	28.037 \| good	0.13 \| good	0.318 \| good	0.159 \| 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?