What is the PM10 level in Helena, Montana at the moment?

The PM10 concentration in Helena, Montana is 79.868 μg/m3 at the moment.

What is the sulfur dioxide (SO2) level in Helena, Montana at the moment?

Currently, Helena, Montana has a sulfur dioxide (SO2) concentration of 1.67 ppb.

What is the ozone (O3) level in Helena, Montana at the moment?

The current ozone (O3) level in Helena, Montana at the moment is 46.138 ppm.

What is the nitrogen dioxide (NO2) level in Helena, Montana at the moment?

Nitrogen dioxide (NO2) level in Helena, Montana at the moment is 1.492 ppb.

Live air quality index in Helena, Montana today

Name: Live air pollution levels in Helena, Montana today
Creator: Ambee

Stay updated with real-time air quality in Helena, Montana 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)

Moderate

Helena, Montana

Last updated: ... (Local time)

Major air pollutants in Helena, Montana

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

18.16 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

79.87 μg/m³

155

255

425

605+

Ozone (O₃)

46.14 ppb

201

201+

Sulfur Dioxide (SO₂)

1.67 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.49 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.22 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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Helena, Montana

Scroll To Air Quality Map

Track live Helena, Montana air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-04T00:00:00.000Z	71 \| moderate	20.455 \| fine	89.135 \| fine	36.629 \| good	5.639 \| good	1.405 \| good	0.265 \| good
2025-09-04T01:00:00.000Z	79 \| moderate	23.673 \| fine	103.384 \| fine	49.023 \| good	1.146 \| good	1.991 \| good	0.224 \| good
2025-09-04T02:00:00.000Z	71 \| moderate	20.297 \| fine	89.238 \| fine	44.372 \| good	1.167 \| good	2.3 \| good	0.285 \| good
2025-09-04T03:00:00.000Z	71 \| moderate	20.444 \| fine	89.209 \| fine	43.76 \| good	1.685 \| good	5.731 \| good	0.324 \| good
2025-09-04T04:00:00.000Z	71 \| moderate	20.091 \| fine	88.227 \| fine	40.602 \| good	1.865 \| good	6.378 \| good	0.326 \| good
2025-09-04T05:00:00.000Z	73 \| moderate	21.031 \| fine	92.584 \| fine	34.247 \| good	1.174 \| good	3.511 \| good	0.326 \| good
2025-09-04T06:00:00.000Z	71 \| moderate	20.25 \| fine	89.451 \| fine	37.613 \| good	1.565 \| good	6.078 \| good	0.266 \| good
2025-09-04T07:00:00.000Z	73 \| moderate	21.364 \| fine	94.308 \| fine	32.587 \| good	1.414 \| good	3.981 \| good	0.284 \| good
2025-09-04T08:00:00.000Z	75 \| moderate	22.493 \| fine	97.881 \| fine	29.05 \| good	1.895 \| good	2.322 \| good	0.265 \| good
2025-09-04T09:00:00.000Z	75 \| moderate	22.261 \| fine	96.738 \| fine	29.105 \| good	2.413 \| good	4.867 \| good	0.284 \| good
2025-09-04T10:00:00.000Z	79 \| moderate	24.094 \| fine	105.429 \| fine	25.012 \| good	1.713 \| good	4.717 \| good	0.263 \| good
2025-09-04T11:00:00.000Z	73 \| moderate	21.439 \| fine	93.348 \| fine	37.714 \| good	1.724 \| good	4.342 \| good	0.223 \| good
2025-09-04T12:00:00.000Z	73 \| moderate	21.438 \| fine	93.34 \| fine	28.798 \| good	1.795 \| good	2.285 \| good	0.242 \| good
2025-09-04T13:00:00.000Z	84 \| moderate	26.949 \| fine	117.422 \| fine	32.915 \| good	0.249 \| good	3.451 \| good	0.191 \| good
2025-09-04T14:00:00.000Z	79 \| moderate	23.603 \| fine	102.318 \| fine	40.751 \| good	2.513 \| good	4.046 \| good	0.303 \| good
2025-09-04T15:00:00.000Z	99 \| moderate	35.147 \| fine	152.209 \| fine	37.244 \| good	1.908 \| good	4.33 \| good	0.231 \| good
2025-09-04T16:00:00.000Z	96 \| moderate	33.288 \| fine	143.885 \| fine	36.085 \| good	1.748 \| good	4.805 \| good	0.231 \| good
2025-09-04T17:00:00.000Z	94 \| moderate	31.75 \| fine	136.716 \| fine	35.849 \| good	6.701 \| good	2.87 \| good	0.277 \| good
2025-09-04T18:00:00.000Z	94 \| moderate	32.38 \| fine	139.988 \| fine	29.614 \| good	3.425 \| good	2.989 \| good	0.26 \| good
2025-09-04T19:00:00.000Z	92 \| moderate	30.851 \| fine	133.169 \| fine	28.508 \| good	2.387 \| good	2.027 \| good	0.287 \| good
2025-09-04T20:00:00.000Z	92 \| moderate	31.047 \| fine	134.815 \| fine	33.631 \| good	1.741 \| good	1.686 \| good	0.288 \| good
2025-09-04T21:00:00.000Z	92 \| moderate	31.31 \| fine	136.034 \| fine	33.533 \| good	1.46 \| good	3.655 \| good	0.249 \| good
2025-09-04T22:00:00.000Z	94 \| moderate	31.538 \| fine	135.929 \| fine	33.561 \| good	1.876 \| good	1.547 \| good	0.245 \| good
2025-09-04T23:00:00.000Z	88 \| moderate	29.333 \| fine	126.784 \| fine	35.098 \| good	1.362 \| good	1.908 \| good	0.261 \| good
2025-09-05T00:00:00.000Z	88 \| moderate	28.89 \| fine	124.5 \| fine	36.154 \| good	1.377 \| good	1.911 \| good	0.261 \| good
2025-09-05T01:00:00.000Z	88 \| moderate	28.743 \| fine	124.305 \| fine	34.431 \| good	1.137 \| good	1.61 \| good	0.215 \| good
2025-09-05T02:00:00.000Z	88 \| moderate	29.055 \| fine	125.435 \| fine	30.979 \| good	1.564 \| good	1.47 \| good	0.215 \| good
2025-09-05T03:00:00.000Z	88 \| moderate	28.725 \| fine	124.129 \| fine	37.34 \| good	3.237 \| good	1.784 \| good	0.304 \| good
2025-09-05T04:00:00.000Z	86 \| moderate	28.291 \| fine	122.975 \| fine	37.895 \| good	3.221 \| good	1.999 \| good	0.303 \| good
2025-09-05T05:00:00.000Z	84 \| moderate	26.94 \| fine	116.636 \| fine	37.981 \| good	2.223 \| good	2.678 \| good	0.323 \| good
2025-09-05T06:00:00.000Z	82 \| moderate	26.234 \| fine	113.381 \| fine	35.277 \| good	1.412 \| good	2.516 \| good	0.404 \| good
2025-09-05T07:00:00.000Z	81 \| moderate	25.016 \| fine	108.442 \| fine	35.485 \| good	1.295 \| good	2.24 \| good	0.366 \| good
2025-09-05T08:00:00.000Z	71 \| moderate	19.968 \| fine	88.208 \| fine	34.26 \| good	1.24 \| good	1.965 \| good	0.346 \| good
2025-09-05T09:00:00.000Z	79 \| moderate	23.828 \| fine	102.952 \| fine	33.069 \| good	1.129 \| good	2.159 \| good	0.347 \| good
2025-09-05T10:00:00.000Z	79 \| moderate	23.817 \| fine	102.916 \| fine	31.384 \| good	1.221 \| good	1.289 \| good	0.326 \| good
2025-09-05T11:00:00.000Z	88 \| moderate	29.382 \| fine	126.255 \| fine	27.137 \| good	1.124 \| good	1.276 \| good	0.307 \| good
2025-09-05T12:00:00.000Z	88 \| moderate	29.284 \| fine	126.951 \| fine	24.011 \| good	1.081 \| good	1.767 \| good	0.327 \| good
2025-09-05T13:00:00.000Z	90 \| moderate	30.156 \| fine	130.463 \| fine	24.722 \| good	1.156 \| good	1.875 \| good	0.389 \| good
2025-09-05T14:00:00.000Z	84 \| moderate	26.963 \| fine	116.324 \| fine	22.195 \| good	1.059 \| good	1.96 \| good	0.323 \| good
2025-09-05T15:00:00.000Z	96 \| moderate	32.839 \| fine	141.392 \| fine	24.151 \| good	1.132 \| good	1.601 \| good	0.381 \| good
2025-09-05T16:00:00.000Z	94 \| moderate	31.913 \| fine	137.642 \| fine	22.304 \| good	1.279 \| good	1.932 \| good	0.362 \| good
2025-09-05T17:00:00.000Z	96 \| moderate	33.269 \| fine	142.856 \| fine	24.086 \| good	3.079 \| good	2.505 \| good	0.294 \| good
2025-09-05T18:00:00.000Z	94 \| moderate	32.037 \| fine	138.573 \| fine	26.859 \| good	5.663 \| good	2.17 \| good	0.247 \| good
2025-09-05T19:00:00.000Z	86 \| moderate	27.862 \| fine	121.527 \| fine	27.238 \| good	3.597 \| good	1.761 \| good	0.214 \| good
2025-09-05T20:00:00.000Z	82 \| moderate	25.641 \| fine	110.673 \| fine	30.873 \| good	2.363 \| good	1.388 \| good	0.243 \| good
2025-09-05T21:00:00.000Z	82 \| moderate	26.051 \| fine	112.878 \| fine	33.673 \| good	1.31 \| good	1.373 \| good	0.243 \| good
2025-09-05T22:00:00.000Z	79 \| moderate	23.748 \| fine	102.926 \| fine	38.511 \| good	1.953 \| good	1.203 \| good	0.223 \| good
2025-09-05T23:00:00.000Z	67 \| moderate	18.161 \| fine	79.868 \| fine	46.138 \| good	1.67 \| good	1.492 \| good	0.222 \| good
2025-09-05T23:00:00.000Z	67 \| moderate	18.161 \| fine	79.868 \| fine	46.138 \| good	1.67 \| good	1.492 \| good	0.222 \| good
2025-09-06T00:00:00.000Z	110 \| sensitive	38.741 \| moderate	170.633 \| moderate	52.173 \| good	0.174 \| good	0.384 \| good	0.173 \| good
2025-09-06T01:00:00.000Z	90 \| moderate	30.275 \| fine	131.199 \| fine	46.252 \| good	0.18 \| good	1.551 \| good	0.181 \| good
2025-09-06T02:00:00.000Z	94 \| moderate	31.813 \| fine	137.746 \| fine	44.14 \| good	0.186 \| good	2.719 \| good	0.188 \| good
2025-09-06T03:00:00.000Z	94 \| moderate	31.893 \| fine	137.853 \| fine	39.334 \| good	0.191 \| good	3.886 \| good	0.196 \| good
2025-09-06T04:00:00.000Z	84 \| moderate	27.156 \| fine	118.179 \| fine	32.479 \| good	0.209 \| good	4.617 \| good	0.201 \| good
2025-09-06T05:00:00.000Z	84 \| moderate	26.997 \| fine	117.776 \| fine	29.417 \| good	0.227 \| good	5.348 \| good	0.206 \| good
2025-09-06T06:00:00.000Z	94 \| moderate	31.849 \| fine	137.451 \| fine	27.737 \| good	0.245 \| good	6.079 \| good	0.211 \| good
2025-09-06T07:00:00.000Z	92 \| moderate	31.055 \| fine	134.496 \| fine	27.009 \| good	0.25 \| good	6.304 \| good	0.212 \| good
2025-09-06T08:00:00.000Z	82 \| moderate	26.493 \| fine	115.183 \| fine	28.704 \| good	0.255 \| good	6.529 \| good	0.213 \| good
2025-09-06T09:00:00.000Z	86 \| moderate	28.47 \| fine	123.239 \| fine	24.531 \| good	0.26 \| good	6.754 \| good	0.215 \| good
2025-09-06T10:00:00.000Z	84 \| moderate	26.704 \| fine	116.054 \| fine	23.558 \| good	0.258 \| good	6.725 \| good	0.213 \| good
2025-09-06T11:00:00.000Z	84 \| moderate	27.268 \| fine	118.691 \| fine	28.074 \| good	0.257 \| good	6.697 \| good	0.212 \| good
2025-09-06T12:00:00.000Z	77 \| moderate	23.101 \| fine	101.061 \| fine	23.191 \| good	0.255 \| good	6.669 \| good	0.211 \| good
2025-09-06T13:00:00.000Z	82 \| moderate	26.41 \| fine	115.072 \| fine	20.802 \| good	0.245 \| good	5.728 \| good	0.21 \| good
2025-09-06T14:00:00.000Z	92 \| moderate	30.873 \| fine	133.699 \| fine	22.911 \| good	0.234 \| good	4.786 \| good	0.21 \| good
2025-09-06T15:00:00.000Z	77 \| moderate	22.94 \| fine	100.394 \| fine	27.028 \| good	0.224 \| good	3.845 \| good	0.21 \| good
2025-09-06T16:00:00.000Z	92 \| moderate	30.503 \| fine	132.105 \| fine	24.182 \| good	0.226 \| good	2.776 \| good	0.201 \| good
2025-09-06T17:00:00.000Z	97 \| moderate	34.023 \| fine	148.048 \| fine	36.977 \| good	0.227 \| good	1.708 \| good	0.191 \| good
2025-09-06T18:00:00.000Z	105 \| sensitive	36.987 \| moderate	161.882 \| moderate	45.161 \| good	0.229 \| good	0.639 \| good	0.182 \| good
2025-09-06T19:00:00.000Z	122 \| sensitive	43.549 \| moderate	194.591 \| moderate	50.316 \| good	0.295 \| good	0.554 \| good	0.197 \| good
2025-09-06T20:00:00.000Z	139 \| sensitive	50.695 \| moderate	229.53 \| moderate	55.595 \| fine	0.361 \| good	0.47 \| good	0.211 \| good
2025-09-06T21:00:00.000Z	153 \| unhealthy	58.338 \| poor	257.676 \| poor	54.967 \| good	0.427 \| good	0.386 \| good	0.226 \| good
2025-09-06T22:00:00.000Z	153 \| unhealthy	58.506 \| poor	257.676 \| poor	58.913 \| fine	0.413 \| good	0.423 \| good	0.222 \| good
2025-09-06T23:00:00.000Z	153 \| unhealthy	58.606 \| poor	258.45 \| poor	66.274 \| fine	0.399 \| good	0.461 \| good	0.217 \| good
2025-09-07T00:00:00.000Z	153 \| unhealthy	58.475 \| poor	258.39 \| poor	62.267 \| fine	0.385 \| good	0.498 \| good	0.213 \| good
2025-09-07T01:00:00.000Z	144 \| sensitive	53.184 \| moderate	241.732 \| moderate	54.198 \| good	0.371 \| good	1.841 \| good	0.224 \| good
2025-09-07T02:00:00.000Z	152 \| unhealthy	57.27 \| poor	256.961 \| poor	55.046 \| fine	0.356 \| good	3.183 \| good	0.234 \| good
2025-09-07T03:00:00.000Z	139 \| sensitive	51.125 \| moderate	231.908 \| moderate	45.335 \| good	0.341 \| good	4.526 \| good	0.244 \| good
2025-09-07T04:00:00.000Z	139 \| sensitive	50.721 \| moderate	229.746 \| moderate	44.14 \| good	0.334 \| good	5.004 \| good	0.246 \| good
2025-09-07T05:00:00.000Z	137 \| sensitive	50.326 \| moderate	227.679 \| moderate	41.387 \| good	0.328 \| good	5.483 \| good	0.247 \| good
2025-09-07T06:00:00.000Z	153 \| unhealthy	58.535 \| poor	257.83 \| poor	37.364 \| good	0.321 \| good	5.961 \| good	0.248 \| good
2025-09-07T07:00:00.000Z	149 \| sensitive	55.186 \| moderate	251.301 \| moderate	29.115 \| good	0.302 \| good	6.032 \| good	0.244 \| good
2025-09-07T08:00:00.000Z	140 \| sensitive	51.409 \| moderate	233.404 \| moderate	28.444 \| good	0.283 \| good	6.104 \| good	0.24 \| good
2025-09-07T09:00:00.000Z	130 \| sensitive	47.274 \| moderate	212.827 \| moderate	26.992 \| good	0.265 \| good	6.175 \| good	0.236 \| good
2025-09-07T10:00:00.000Z	117 \| sensitive	42.027 \| moderate	186.966 \| moderate	25.405 \| good	0.247 \| good	5.886 \| good	0.229 \| good
2025-09-07T11:00:00.000Z	102 \| sensitive	36.155 \| moderate	157.597 \| moderate	35.582 \| good	0.228 \| good	5.597 \| good	0.223 \| good
2025-09-07T12:00:00.000Z	84 \| moderate	26.533 \| fine	115.722 \| fine	33.785 \| good	0.21 \| good	5.308 \| good	0.216 \| good
2025-09-07T13:00:00.000Z	84 \| moderate	27.238 \| fine	118.27 \| fine	29.332 \| good	0.198 \| good	4.649 \| good	0.214 \| good
2025-09-07T14:00:00.000Z	92 \| moderate	30.896 \| fine	133.641 \| fine	29.916 \| good	0.186 \| good	3.989 \| good	0.213 \| good
2025-09-07T15:00:00.000Z	88 \| moderate	28.601 \| fine	123.789 \| fine	33.162 \| good	0.174 \| good	3.329 \| good	0.211 \| good
2025-09-07T16:00:00.000Z	102 \| sensitive	35.523 \| moderate	153.79 \| fine	36.069 \| good	0.196 \| good	2.376 \| good	0.207 \| good
2025-09-07T17:00:00.000Z	117 \| sensitive	41.921 \| moderate	186.012 \| moderate	48.793 \| good	0.218 \| good	1.423 \| good	0.202 \| good
2025-09-07T18:00:00.000Z	115 \| sensitive	41.29 \| moderate	183.621 \| moderate	47.009 \| good	0.239 \| good	0.47 \| good	0.197 \| good
2025-09-07T19:00:00.000Z	129 \| sensitive	46.719 \| moderate	210.345 \| moderate	51.317 \| good	0.22 \| good	0.401 \| good	0.176 \| good
2025-09-07T20:00:00.000Z	122 \| sensitive	44.374 \| moderate	198.328 \| moderate	53.671 \| good	0.202 \| good	0.333 \| good	0.155 \| good
2025-09-07T21:00:00.000Z	115 \| sensitive	40.568 \| moderate	179.702 \| moderate	48.542 \| good	0.183 \| good	0.264 \| good	0.134 \| good
2025-09-07T22:00:00.000Z	94 \| moderate	32.057 \| fine	138.395 \| fine	49.321 \| good	0.163 \| good	0.308 \| good	0.127 \| good
2025-09-07T23:00:00.000Z	86 \| moderate	27.514 \| fine	119.457 \| fine	56.253 \| fine	0.144 \| good	0.351 \| good	0.119 \| good

Helena

Get reliable air quality data to drive your business

Helena, Montana air quality map: Stay updated on AQI near you

0.40ppm

How accurate is Montana, USA air quality data?

Air quality and pollutant data for Montana, 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 Helena, Montana?

The air quality information for Helena, Montana is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Helena, Montana at its worst?

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

When did Helena, Montana experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Helena, Montana was observed at 08:00:00 on 2025-09-05.

What is the AQI in Helena, Montana right now?

As of now, the AQI in Helena, Montana is 67, indicating Moderate conditions.

What is the most common type of pollution in Helena, Montana?

Helena, Montana air has the highest levels of PM2.5.

What should I do in case of poor air quality in Helena, Montana?

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

What is the PM_2.5 level in Helena, Montana at the moment?

PM_2.5 levels in Helena, Montana are currently 18.161 μg/m³.

What is the PM₁₀ level in Helena, Montana at the moment?

The PM₁₀ concentration in Helena, Montana is 79.868 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Helena, Montana at the moment?

The current carbon monoxide (CO) concentration in Helena, Montana is 0.222 ppm.

What is the sulfur dioxide (SO₂) level in Helena, Montana at the moment?

Currently, Helena, Montana has a sulfur dioxide (SO₂) concentration of 1.67 ppb.

What is the ozone (O₃) level in Helena, Montana at the moment?

The current ozone (O₃) level in Helena, Montana at the moment is 46.138 ppm.

What is the nitrogen dioxide (NO₂) level in Helena, Montana at the moment?

Nitrogen dioxide (NO₂) level in Helena, Montana at the moment is 1.492 ppb.

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