What is the current concentration of PM10 in Montana, USA?

The current PM10 concentration at Montana, USA is 31.174 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Montana, USA?

The current sulfur dioxide (SO2) concentration at Montana, USA is 1.636 ppb.

What is the current concentration of ozone (O3) in Montana, USA?

The current ozone (O3) concentration at Montana, USA is 24.245 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Montana, USA?

The current nitrogen dioxide (NO2) concentration at Montana, USA is 2.839 ppb.

Montana, USA live air quality index now

Q: What is the current concentration of PM2.5 in Montana, USA?

The current PM2.5 concentration at Montana, USA is 6.98 μg/m3.

Stay updated with real-time air quality in Montana, USA 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

Montana, USA

Last updated: ... (Local time)

Major air pollutants in Montana, USA

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

6.98 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

31.17 μg/m³

155

255

425

605+

Ozone (O₃)

24.25 ppb

201

201+

Sulfur Dioxide (SO₂)

1.64 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.84 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.23 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Montana, USA

Get Live Pollen Counts

Montana, USA

Scroll To Air Quality Map

Track live Montana, USA air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-12T02:00:00.000Z	27 \| good	4.644 \| good	20.213 \| good	24.18 \| good	0.186 \| good	1.474 \| good	0.143 \| good
2025-12-12T03:00:00.000Z	27 \| good	4.745 \| good	20.857 \| good	24.751 \| good	0.183 \| good	1.565 \| good	0.149 \| good
2025-12-12T04:00:00.000Z	27 \| good	5.211 \| good	22.213 \| good	24.349 \| good	0.187 \| good	1.488 \| good	0.152 \| good
2025-12-12T05:00:00.000Z	22 \| good	4.183 \| good	18.308 \| good	23.794 \| good	0.191 \| good	1.41 \| good	0.156 \| good
2025-12-12T06:00:00.000Z	22 \| good	4.399 \| good	19.084 \| good	23.584 \| good	0.195 \| good	1.333 \| good	0.159 \| good
2025-12-12T07:00:00.000Z	22 \| good	4.044 \| good	17.86 \| good	23.286 \| good	0.197 \| good	1.238 \| good	0.163 \| good
2025-12-12T08:00:00.000Z	22 \| good	4.319 \| good	19 \| good	22.729 \| good	0.2 \| good	1.144 \| good	0.167 \| good
2025-12-12T09:00:00.000Z	22 \| good	4.262 \| good	19 \| good	22.105 \| good	0.202 \| good	1.049 \| good	0.171 \| good
2025-12-12T10:00:00.000Z	22 \| good	3.927 \| good	17.048 \| good	21.326 \| good	0.2 \| good	0.982 \| good	0.174 \| good
2025-12-12T11:00:00.000Z	22 \| good	3.614 \| good	16 \| good	22.23 \| good	0.197 \| good	0.915 \| good	0.176 \| good
2025-12-12T12:00:00.000Z	22 \| good	3.821 \| good	16.776 \| good	20.919 \| good	0.281 \| good	0.851 \| good	0.172 \| good
2025-12-12T13:00:00.000Z	19 \| good	3.329 \| good	14.823 \| good	20.973 \| good	0.253 \| good	0.91 \| good	0.174 \| good
2025-12-12T14:00:00.000Z	22 \| good	3.556 \| good	16 \| good	20.78 \| good	0.226 \| good	0.97 \| good	0.176 \| good
2025-12-12T15:00:00.000Z	22 \| good	4.426 \| good	19 \| good	19.571 \| good	0.199 \| good	1.03 \| good	0.178 \| good
2025-12-12T16:00:00.000Z	22 \| good	4.438 \| good	19.048 \| good	18.72 \| good	0.185 \| good	1.038 \| good	0.178 \| good
2025-12-12T17:00:00.000Z	22 \| good	3.97 \| good	17 \| good	19.361 \| good	0.171 \| good	1.046 \| good	0.179 \| good
2025-12-12T18:00:00.000Z	22 \| good	4.154 \| good	17.965 \| good	22.42 \| good	0.157 \| good	1.054 \| good	0.179 \| good
2025-12-12T19:00:00.000Z	24 \| good	3.817 \| good	16.833 \| good	25.719 \| good	0.149 \| good	1.052 \| good	0.174 \| good
2025-12-12T20:00:00.000Z	28 \| good	2.885 \| good	11.916 \| good	30.265 \| good	0.142 \| good	1.05 \| good	0.169 \| good
2025-12-12T21:00:00.000Z	32 \| good	3.075 \| good	12.448 \| good	35.19 \| good	0.134 \| good	1.047 \| good	0.164 \| good
2025-12-12T22:00:00.000Z	32 \| good	2.583 \| good	10.261 \| good	35.172 \| good	0.11 \| good	1.046 \| good	0.149 \| good
2025-12-12T23:00:00.000Z	33 \| good	3.205 \| good	13.833 \| good	35.653 \| good	0.086 \| good	1.044 \| good	0.135 \| good
2025-12-13T00:00:00.000Z	34 \| good	2.932 \| good	11.916 \| good	36.854 \| good	0.068 \| good	1.279 \| good	0.129 \| good
2025-12-13T01:00:00.000Z	34 \| good	2.669 \| good	10.905 \| good	37.469 \| good	0.113 \| good	1.096 \| good	0.119 \| good
2025-12-13T02:00:00.000Z	34 \| good	1.516 \| good	6.037 \| good	37.351 \| good	0.157 \| good	0.913 \| good	0.108 \| good
2025-12-13T03:00:00.000Z	35 \| good	1.775 \| good	7 \| good	37.598 \| good	0.202 \| good	0.73 \| good	0.098 \| good
2025-12-13T04:00:00.000Z	34 \| good	2.152 \| good	8.952 \| good	37.078 \| good	0.248 \| good	0.665 \| good	0.098 \| good
2025-12-13T05:00:00.000Z	35 \| good	1.713 \| good	7.037 \| good	37.568 \| good	0.294 \| good	0.601 \| good	0.099 \| good
2025-12-13T06:00:00.000Z	38 \| good	2.063 \| good	8.084 \| good	40.767 \| good	0.341 \| good	0.537 \| good	0.099 \| good
2025-12-13T07:00:00.000Z	38 \| good	1.61 \| good	6.308 \| good	41.385 \| good	0.325 \| good	0.549 \| good	0.104 \| good
2025-12-13T08:00:00.000Z	37 \| good	2.361 \| good	9.905 \| good	40.377 \| good	0.31 \| good	0.562 \| good	0.108 \| good
2025-12-13T09:00:00.000Z	33 \| good	2.119 \| good	8.868 \| good	36.428 \| good	0.295 \| good	0.574 \| good	0.113 \| good
2025-12-13T10:00:00.000Z	31 \| good	2.176 \| good	8.916 \| good	33.321 \| good	0.231 \| good	0.61 \| good	0.12 \| good
2025-12-13T11:00:00.000Z	29 \| good	1.83 \| good	7.905 \| good	30.597 \| good	0.166 \| good	0.645 \| good	0.127 \| good
2025-12-13T12:00:00.000Z	21 \| good	3.364 \| good	14.952 \| good	23.148 \| good	0.149 \| good	0.544 \| good	0.128 \| good
2025-12-13T13:00:00.000Z	22 \| good	2.97 \| good	12.167 \| good	24.155 \| good	0.12 \| good	0.77 \| good	0.134 \| good
2025-12-13T14:00:00.000Z	23 \| good	3.461 \| good	15.308 \| good	24.703 \| good	0.092 \| good	0.996 \| good	0.141 \| good
2025-12-13T15:00:00.000Z	22 \| good	3.79 \| good	16.308 \| good	23.092 \| good	0.063 \| good	1.222 \| good	0.147 \| good
2025-12-13T16:00:00.000Z	24 \| good	3.684 \| good	16 \| good	25.884 \| good	0.084 \| good	1.099 \| good	0.144 \| good
2025-12-13T17:00:00.000Z	28 \| good	2.984 \| good	12 \| good	30.33 \| good	0.105 \| good	0.977 \| good	0.141 \| good
2025-12-13T18:00:00.000Z	31 \| good	3.322 \| good	14.905 \| good	33.064 \| good	0.126 \| good	0.854 \| good	0.139 \| good
2025-12-13T19:00:00.000Z	31 \| good	3.6 \| good	16 \| good	33.382 \| good	0.205 \| good	0.754 \| good	0.133 \| good
2025-12-13T20:00:00.000Z	31 \| good	3.563 \| good	16 \| good	33.103 \| good	0.284 \| good	0.654 \| good	0.127 \| good
2025-12-13T21:00:00.000Z	33 \| good	3.276 \| good	14.308 \| good	35.995 \| good	0.362 \| good	0.554 \| good	0.121 \| good
2025-12-13T22:00:00.000Z	33 \| good	3.248 \| good	14.084 \| good	36.204 \| good	0.343 \| good	0.904 \| good	0.121 \| good
2025-12-13T23:00:00.000Z	33 \| good	4.366 \| good	18.963 \| good	36.211 \| good	0.324 \| good	1.253 \| good	0.12 \| good
2025-12-14T00:00:00.000Z	33 \| good	3.872 \| good	16.916 \| good	35.851 \| good	0.301 \| good	1.564 \| good	0.119 \| good
2025-12-14T01:00:00.000Z	32 \| good	2.597 \| good	10.261 \| good	35.458 \| good	0.297 \| good	1.544 \| good	0.116 \| good
2025-12-14T01:00:00.000Z	38 \| good	6.98 \| good	31.174 \| good	24.245 \| good	1.636 \| good	2.839 \| good	0.229 \| good
2025-12-14T02:00:00.000Z	30 \| good	2.303 \| good	9.887 \| good	31.543 \| good	0.311 \| good	1.593 \| good	0.117 \| good
2025-12-14T03:00:00.000Z	31 \| good	2.652 \| good	10.977 \| good	32.634 \| good	0.315 \| good	1.579 \| good	0.115 \| good
2025-12-14T04:00:00.000Z	31 \| good	2.627 \| good	10.91 \| good	33.46 \| good	0.316 \| good	1.404 \| good	0.113 \| good
2025-12-14T05:00:00.000Z	32 \| good	3.361 \| good	14.904 \| good	34.703 \| good	0.317 \| good	1.229 \| good	0.111 \| good
2025-12-14T06:00:00.000Z	32 \| good	3.557 \| good	15.904 \| good	35.493 \| good	0.319 \| good	1.054 \| good	0.109 \| good
2025-12-14T07:00:00.000Z	34 \| good	2.497 \| good	10.096 \| good	37.318 \| good	0.303 \| good	0.951 \| good	0.108 \| good
2025-12-14T08:00:00.000Z	33 \| good	2.939 \| good	12 \| good	36.339 \| good	0.288 \| good	0.849 \| good	0.108 \| good
2025-12-14T09:00:00.000Z	35 \| good	2.5 \| good	10.073 \| good	38.259 \| good	0.273 \| good	0.746 \| good	0.107 \| good
2025-12-14T10:00:00.000Z	35 \| good	2.753 \| good	11.079 \| good	38.112 \| good	0.282 \| good	0.672 \| good	0.106 \| good
2025-12-14T11:00:00.000Z	36 \| good	3.208 \| good	13.888 \| good	38.632 \| good	0.291 \| good	0.599 \| good	0.106 \| good
2025-12-14T12:00:00.000Z	36 \| good	2.87 \| good	11.983 \| good	39.343 \| good	0.301 \| good	0.525 \| good	0.105 \| good
2025-12-14T13:00:00.000Z	36 \| good	2.143 \| good	8.993 \| good	38.638 \| good	0.324 \| good	0.664 \| good	0.106 \| good
2025-12-14T14:00:00.000Z	36 \| good	2.576 \| good	10.125 \| good	38.658 \| good	0.348 \| good	0.804 \| good	0.108 \| good
2025-12-14T15:00:00.000Z	35 \| good	4.246 \| good	18.844 \| good	37.556 \| good	0.372 \| good	0.943 \| good	0.109 \| good
2025-12-14T16:00:00.000Z	32 \| good	4.018 \| good	17.664 \| good	35.262 \| good	0.371 \| good	0.9 \| good	0.111 \| good
2025-12-14T17:00:00.000Z	31 \| good	3.149 \| good	14 \| good	32.732 \| good	0.37 \| good	0.857 \| good	0.112 \| good
2025-12-14T18:00:00.000Z	31 \| good	3.629 \| good	16 \| good	33.799 \| good	0.369 \| good	0.815 \| good	0.114 \| good
2025-12-14T19:00:00.000Z	31 \| good	3.671 \| good	16.062 \| good	34.466 \| good	0.375 \| good	0.838 \| good	0.114 \| good
2025-12-14T20:00:00.000Z	32 \| good	3.109 \| good	13.747 \| good	35.308 \| good	0.38 \| good	0.862 \| good	0.114 \| good
2025-12-14T21:00:00.000Z	34 \| good	3.413 \| good	15 \| good	37.149 \| good	0.386 \| good	0.886 \| good	0.115 \| good
2025-12-14T22:00:00.000Z	34 \| good	3.441 \| good	15.06 \| good	37.176 \| good	0.351 \| good	1.098 \| good	0.117 \| good
2025-12-14T23:00:00.000Z	35 \| good	3.87 \| good	16.984 \| good	38.089 \| good	0.315 \| good	1.309 \| good	0.119 \| good
2025-12-15T00:00:00.000Z	34 \| good	3.437 \| good	15.013 \| good	36.848 \| good	0.28 \| good	1.52 \| good	0.121 \| good
2025-12-15T01:00:00.000Z	34 \| good	2.427 \| good	10 \| good	36.601 \| good	0.273 \| good	1.521 \| good	0.122 \| good
2025-12-15T02:00:00.000Z	34 \| good	2.135 \| good	8.983 \| good	36.808 \| good	0.266 \| good	1.522 \| good	0.122 \| good
2025-12-15T03:00:00.000Z	35 \| good	2.299 \| good	9.32 \| good	37.965 \| good	0.259 \| good	1.523 \| good	0.123 \| good
2025-12-15T04:00:00.000Z	33 \| good	3.337 \| good	14.863 \| good	35.988 \| good	0.26 \| good	1.338 \| good	0.121 \| good
2025-12-15T05:00:00.000Z	33 \| good	2.31 \| good	9.879 \| good	35.506 \| good	0.26 \| good	1.153 \| good	0.118 \| good
2025-12-15T06:00:00.000Z	31 \| good	3.154 \| good	13.809 \| good	33.911 \| good	0.26 \| good	0.967 \| good	0.116 \| good
2025-12-15T07:00:00.000Z	31 \| good	2.488 \| good	10.073 \| good	34.164 \| good	0.251 \| good	0.876 \| good	0.115 \| good
2025-12-15T08:00:00.000Z	33 \| good	3.226 \| good	14.033 \| good	35.762 \| good	0.241 \| good	0.784 \| good	0.114 \| good
2025-12-15T09:00:00.000Z	32 \| good	2.407 \| good	10 \| good	35.026 \| good	0.231 \| good	0.692 \| good	0.113 \| good
2025-12-15T10:00:00.000Z	31 \| good	2.737 \| good	11.079 \| good	33.916 \| good	0.231 \| good	0.685 \| good	0.112 \| good
2025-12-15T11:00:00.000Z	31 \| good	2.259 \| good	9.108 \| good	34.225 \| good	0.231 \| good	0.678 \| good	0.111 \| good
2025-12-15T12:00:00.000Z	33 \| good	2.927 \| good	12 \| good	36.318 \| good	0.231 \| good	0.67 \| good	0.11 \| good
2025-12-15T13:00:00.000Z	35 \| good	2.416 \| good	9.952 \| good	37.533 \| good	0.233 \| good	0.815 \| good	0.112 \| good
2025-12-15T14:00:00.000Z	36 \| good	2.373 \| good	9.952 \| good	38.87 \| good	0.236 \| good	0.96 \| good	0.113 \| good
2025-12-15T15:00:00.000Z	36 \| good	3.707 \| good	16.032 \| good	39.28 \| good	0.239 \| good	1.104 \| good	0.114 \| good
2025-12-15T16:00:00.000Z	36 \| good	3.195 \| good	13.888 \| good	38.836 \| good	0.232 \| good	0.983 \| good	0.114 \| good
2025-12-15T17:00:00.000Z	36 \| good	3 \| good	12 \| good	39.205 \| good	0.225 \| good	0.862 \| good	0.115 \| good
2025-12-15T18:00:00.000Z	38 \| good	3.75 \| good	16.079 \| good	40.967 \| good	0.218 \| good	0.741 \| good	0.115 \| good
2025-12-15T19:00:00.000Z	39 \| good	4.43 \| good	19.087 \| good	42.242 \| good	0.217 \| good	0.663 \| good	0.111 \| good
2025-12-15T20:00:00.000Z	38 \| good	3.689 \| good	16.062 \| good	40.589 \| good	0.216 \| good	0.586 \| good	0.107 \| good
2025-12-15T21:00:00.000Z	39 \| good	3.438 \| good	15.255 \| good	41.652 \| good	0.216 \| good	0.508 \| good	0.103 \| good
2025-12-15T22:00:00.000Z	39 \| good	3.741 \| good	16.255 \| good	41.999 \| good	0.207 \| good	0.626 \| good	0.104 \| good
2025-12-15T23:00:00.000Z	39 \| good	4.022 \| good	17.846 \| good	41.973 \| good	0.199 \| good	0.743 \| good	0.105 \| good
2025-12-16T00:00:00.000Z	39 \| good	2.177 \| good	2.952 \| good	41.529 \| good	0.19 \| good	0.861 \| good	0.106 \| good
2025-12-16T01:00:00.000Z	40 \| good	2.577 \| good	10.287 \| good	42.544 \| good	0.167 \| good	0.733 \| good	0.104 \| good

Montana

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Montana, USA air quality map: Track AQI near you

Air quality in cities of Montana, USA

City	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
Great Falls, Montana	62 Moderate	15.20μg/m³ Fine	68.99μg/m³ Fine	14.30ppb Good	1.60ppb Good	2.11ppb Good	0.26ppm Good
Helena, Montana	38 Good	7.08μg/m³ Good	31.09μg/m³ Good	19.54ppb Good	0.92ppb Good	1.84ppb Good	0.28ppm Good
Belgrade, Montana	29 Good	2.84μg/m³ Good	12.35μg/m³ Good	31.05ppb Good	0.93ppb Good	1.10ppb Good	0.18ppm Good
Bozeman, Montana	29 Good	2.80μg/m³ Good	12.00μg/m³ Good	31.25ppb Good	0.92ppb Good	1.08ppb Good	0.18ppm Good
ButteSilver Bow, Montana	29 Good	2.01μg/m³ Good	14.02μg/m³ Good	31.28ppb Good	0.94ppb Good	2.25ppb Good	0.28ppm Good
Kalispell, Montana	27 Good	4.99μg/m³ Good	22.97μg/m³ Good	15.57ppb Good	1.43ppb Good	3.85ppb Good	0.32ppm Good
Billings, Montana	27 Good	4.80μg/m³ Good	20.99μg/m³ Good	27.22ppb Good	1.02ppb Good	1.43ppb Good	0.14ppm Good
Missoula, Montana	16 Good	3.37μg/m³ Good	14.33μg/m³ Good	16.12ppb Good	1.46ppb Good	3.17ppb Good	0.33ppm Good

City	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
No results found

0.27ppm

How accurate is Montana, USA air quality data?

Air quality data and pollutant measurements for Montana, 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.

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Frequently asked questions

How often is the air quality data for Montana, USA updated?

The air quality for Montana, USA is updated every hour.

When was the worst air quality at Montana, USA in the last 24 hrs?

The worst air quality in Montana, USA in the last 24 hours was observed at 07:00:00 on 2025-12-13.

When was the best air quality at Montana, USA in the last 24 hrs?

In the last 24 hrs, the best air quality in Montana, USA was observed at 12:00:00 on 2025-12-13.

What is the current air quality in Montana, USA?

The current air quality in Montana, USA is 38, categorized as Good based on real-time data.

What pollutant is the most common in Montana, USA?

The most common pollutant in Montana, USA is PM2.5.

What should I do if the air quality in Montana, USA is poor?

If the air quality in Montana, USA is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Montana, USA?

The current PM_2.5 concentration at Montana, USA is 6.98 μg/m³.

What is the current concentration of PM₁₀ in Montana, USA?

The current PM₁₀ concentration at Montana, USA is 31.174 μg/m³.

What is the current concentration of carbon monoxide (CO) in Montana, USA?

The current carbon monoxide (CO) concentration at Montana, USA is 0.229 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Montana, USA?

The current sulfur dioxide (SO₂) concentration at Montana, USA is 1.636 ppb.

What is the current concentration of ozone (O₃) in Montana, USA?

The current ozone (O₃) concentration at Montana, USA is 24.245 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Montana, USA?

The current nitrogen dioxide (NO₂) concentration at Montana, USA is 2.839 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-12T02:00:00.000Z	27 \| good	4.644 \| good	20.213 \| good	24.18 \| good	0.186 \| good	1.474 \| good	0.143 \| good
2025-12-12T03:00:00.000Z	27 \| good	4.745 \| good	20.857 \| good	24.751 \| good	0.183 \| good	1.565 \| good	0.149 \| good
2025-12-12T04:00:00.000Z	27 \| good	5.211 \| good	22.213 \| good	24.349 \| good	0.187 \| good	1.488 \| good	0.152 \| good
2025-12-12T05:00:00.000Z	22 \| good	4.183 \| good	18.308 \| good	23.794 \| good	0.191 \| good	1.41 \| good	0.156 \| good
2025-12-12T06:00:00.000Z	22 \| good	4.399 \| good	19.084 \| good	23.584 \| good	0.195 \| good	1.333 \| good	0.159 \| good
2025-12-12T07:00:00.000Z	22 \| good	4.044 \| good	17.86 \| good	23.286 \| good	0.197 \| good	1.238 \| good	0.163 \| good
2025-12-12T08:00:00.000Z	22 \| good	4.319 \| good	19 \| good	22.729 \| good	0.2 \| good	1.144 \| good	0.167 \| good
2025-12-12T09:00:00.000Z	22 \| good	4.262 \| good	19 \| good	22.105 \| good	0.202 \| good	1.049 \| good	0.171 \| good
2025-12-12T10:00:00.000Z	22 \| good	3.927 \| good	17.048 \| good	21.326 \| good	0.2 \| good	0.982 \| good	0.174 \| good
2025-12-12T11:00:00.000Z	22 \| good	3.614 \| good	16 \| good	22.23 \| good	0.197 \| good	0.915 \| good	0.176 \| good
2025-12-12T12:00:00.000Z	22 \| good	3.821 \| good	16.776 \| good	20.919 \| good	0.281 \| good	0.851 \| good	0.172 \| good
2025-12-12T13:00:00.000Z	19 \| good	3.329 \| good	14.823 \| good	20.973 \| good	0.253 \| good	0.91 \| good	0.174 \| good
2025-12-12T14:00:00.000Z	22 \| good	3.556 \| good	16 \| good	20.78 \| good	0.226 \| good	0.97 \| good	0.176 \| good
2025-12-12T15:00:00.000Z	22 \| good	4.426 \| good	19 \| good	19.571 \| good	0.199 \| good	1.03 \| good	0.178 \| good
2025-12-12T16:00:00.000Z	22 \| good	4.438 \| good	19.048 \| good	18.72 \| good	0.185 \| good	1.038 \| good	0.178 \| good
2025-12-12T17:00:00.000Z	22 \| good	3.97 \| good	17 \| good	19.361 \| good	0.171 \| good	1.046 \| good	0.179 \| good
2025-12-12T18:00:00.000Z	22 \| good	4.154 \| good	17.965 \| good	22.42 \| good	0.157 \| good	1.054 \| good	0.179 \| good
2025-12-12T19:00:00.000Z	24 \| good	3.817 \| good	16.833 \| good	25.719 \| good	0.149 \| good	1.052 \| good	0.174 \| good
2025-12-12T20:00:00.000Z	28 \| good	2.885 \| good	11.916 \| good	30.265 \| good	0.142 \| good	1.05 \| good	0.169 \| good
2025-12-12T21:00:00.000Z	32 \| good	3.075 \| good	12.448 \| good	35.19 \| good	0.134 \| good	1.047 \| good	0.164 \| good
2025-12-12T22:00:00.000Z	32 \| good	2.583 \| good	10.261 \| good	35.172 \| good	0.11 \| good	1.046 \| good	0.149 \| good
2025-12-12T23:00:00.000Z	33 \| good	3.205 \| good	13.833 \| good	35.653 \| good	0.086 \| good	1.044 \| good	0.135 \| good
2025-12-13T00:00:00.000Z	34 \| good	2.932 \| good	11.916 \| good	36.854 \| good	0.068 \| good	1.279 \| good	0.129 \| good
2025-12-13T01:00:00.000Z	34 \| good	2.669 \| good	10.905 \| good	37.469 \| good	0.113 \| good	1.096 \| good	0.119 \| good
2025-12-13T02:00:00.000Z	34 \| good	1.516 \| good	6.037 \| good	37.351 \| good	0.157 \| good	0.913 \| good	0.108 \| good
2025-12-13T03:00:00.000Z	35 \| good	1.775 \| good	7 \| good	37.598 \| good	0.202 \| good	0.73 \| good	0.098 \| good
2025-12-13T04:00:00.000Z	34 \| good	2.152 \| good	8.952 \| good	37.078 \| good	0.248 \| good	0.665 \| good	0.098 \| good
2025-12-13T05:00:00.000Z	35 \| good	1.713 \| good	7.037 \| good	37.568 \| good	0.294 \| good	0.601 \| good	0.099 \| good
2025-12-13T06:00:00.000Z	38 \| good	2.063 \| good	8.084 \| good	40.767 \| good	0.341 \| good	0.537 \| good	0.099 \| good
2025-12-13T07:00:00.000Z	38 \| good	1.61 \| good	6.308 \| good	41.385 \| good	0.325 \| good	0.549 \| good	0.104 \| good
2025-12-13T08:00:00.000Z	37 \| good	2.361 \| good	9.905 \| good	40.377 \| good	0.31 \| good	0.562 \| good	0.108 \| good
2025-12-13T09:00:00.000Z	33 \| good	2.119 \| good	8.868 \| good	36.428 \| good	0.295 \| good	0.574 \| good	0.113 \| good
2025-12-13T10:00:00.000Z	31 \| good	2.176 \| good	8.916 \| good	33.321 \| good	0.231 \| good	0.61 \| good	0.12 \| good
2025-12-13T11:00:00.000Z	29 \| good	1.83 \| good	7.905 \| good	30.597 \| good	0.166 \| good	0.645 \| good	0.127 \| good
2025-12-13T12:00:00.000Z	21 \| good	3.364 \| good	14.952 \| good	23.148 \| good	0.149 \| good	0.544 \| good	0.128 \| good
2025-12-13T13:00:00.000Z	22 \| good	2.97 \| good	12.167 \| good	24.155 \| good	0.12 \| good	0.77 \| good	0.134 \| good
2025-12-13T14:00:00.000Z	23 \| good	3.461 \| good	15.308 \| good	24.703 \| good	0.092 \| good	0.996 \| good	0.141 \| good
2025-12-13T15:00:00.000Z	22 \| good	3.79 \| good	16.308 \| good	23.092 \| good	0.063 \| good	1.222 \| good	0.147 \| good
2025-12-13T16:00:00.000Z	24 \| good	3.684 \| good	16 \| good	25.884 \| good	0.084 \| good	1.099 \| good	0.144 \| good
2025-12-13T17:00:00.000Z	28 \| good	2.984 \| good	12 \| good	30.33 \| good	0.105 \| good	0.977 \| good	0.141 \| good
2025-12-13T18:00:00.000Z	31 \| good	3.322 \| good	14.905 \| good	33.064 \| good	0.126 \| good	0.854 \| good	0.139 \| good
2025-12-13T19:00:00.000Z	31 \| good	3.6 \| good	16 \| good	33.382 \| good	0.205 \| good	0.754 \| good	0.133 \| good
2025-12-13T20:00:00.000Z	31 \| good	3.563 \| good	16 \| good	33.103 \| good	0.284 \| good	0.654 \| good	0.127 \| good
2025-12-13T21:00:00.000Z	33 \| good	3.276 \| good	14.308 \| good	35.995 \| good	0.362 \| good	0.554 \| good	0.121 \| good
2025-12-13T22:00:00.000Z	33 \| good	3.248 \| good	14.084 \| good	36.204 \| good	0.343 \| good	0.904 \| good	0.121 \| good
2025-12-13T23:00:00.000Z	33 \| good	4.366 \| good	18.963 \| good	36.211 \| good	0.324 \| good	1.253 \| good	0.12 \| good
2025-12-14T00:00:00.000Z	33 \| good	3.872 \| good	16.916 \| good	35.851 \| good	0.301 \| good	1.564 \| good	0.119 \| good
2025-12-14T01:00:00.000Z	32 \| good	2.597 \| good	10.261 \| good	35.458 \| good	0.297 \| good	1.544 \| good	0.116 \| good
2025-12-14T01:00:00.000Z	38 \| good	6.98 \| good	31.174 \| good	24.245 \| good	1.636 \| good	2.839 \| good	0.229 \| good
2025-12-14T02:00:00.000Z	30 \| good	2.303 \| good	9.887 \| good	31.543 \| good	0.311 \| good	1.593 \| good	0.117 \| good
2025-12-14T03:00:00.000Z	31 \| good	2.652 \| good	10.977 \| good	32.634 \| good	0.315 \| good	1.579 \| good	0.115 \| good
2025-12-14T04:00:00.000Z	31 \| good	2.627 \| good	10.91 \| good	33.46 \| good	0.316 \| good	1.404 \| good	0.113 \| good
2025-12-14T05:00:00.000Z	32 \| good	3.361 \| good	14.904 \| good	34.703 \| good	0.317 \| good	1.229 \| good	0.111 \| good
2025-12-14T06:00:00.000Z	32 \| good	3.557 \| good	15.904 \| good	35.493 \| good	0.319 \| good	1.054 \| good	0.109 \| good
2025-12-14T07:00:00.000Z	34 \| good	2.497 \| good	10.096 \| good	37.318 \| good	0.303 \| good	0.951 \| good	0.108 \| good
2025-12-14T08:00:00.000Z	33 \| good	2.939 \| good	12 \| good	36.339 \| good	0.288 \| good	0.849 \| good	0.108 \| good
2025-12-14T09:00:00.000Z	35 \| good	2.5 \| good	10.073 \| good	38.259 \| good	0.273 \| good	0.746 \| good	0.107 \| good
2025-12-14T10:00:00.000Z	35 \| good	2.753 \| good	11.079 \| good	38.112 \| good	0.282 \| good	0.672 \| good	0.106 \| good
2025-12-14T11:00:00.000Z	36 \| good	3.208 \| good	13.888 \| good	38.632 \| good	0.291 \| good	0.599 \| good	0.106 \| good
2025-12-14T12:00:00.000Z	36 \| good	2.87 \| good	11.983 \| good	39.343 \| good	0.301 \| good	0.525 \| good	0.105 \| good
2025-12-14T13:00:00.000Z	36 \| good	2.143 \| good	8.993 \| good	38.638 \| good	0.324 \| good	0.664 \| good	0.106 \| good
2025-12-14T14:00:00.000Z	36 \| good	2.576 \| good	10.125 \| good	38.658 \| good	0.348 \| good	0.804 \| good	0.108 \| good
2025-12-14T15:00:00.000Z	35 \| good	4.246 \| good	18.844 \| good	37.556 \| good	0.372 \| good	0.943 \| good	0.109 \| good
2025-12-14T16:00:00.000Z	32 \| good	4.018 \| good	17.664 \| good	35.262 \| good	0.371 \| good	0.9 \| good	0.111 \| good
2025-12-14T17:00:00.000Z	31 \| good	3.149 \| good	14 \| good	32.732 \| good	0.37 \| good	0.857 \| good	0.112 \| good
2025-12-14T18:00:00.000Z	31 \| good	3.629 \| good	16 \| good	33.799 \| good	0.369 \| good	0.815 \| good	0.114 \| good
2025-12-14T19:00:00.000Z	31 \| good	3.671 \| good	16.062 \| good	34.466 \| good	0.375 \| good	0.838 \| good	0.114 \| good
2025-12-14T20:00:00.000Z	32 \| good	3.109 \| good	13.747 \| good	35.308 \| good	0.38 \| good	0.862 \| good	0.114 \| good
2025-12-14T21:00:00.000Z	34 \| good	3.413 \| good	15 \| good	37.149 \| good	0.386 \| good	0.886 \| good	0.115 \| good
2025-12-14T22:00:00.000Z	34 \| good	3.441 \| good	15.06 \| good	37.176 \| good	0.351 \| good	1.098 \| good	0.117 \| good
2025-12-14T23:00:00.000Z	35 \| good	3.87 \| good	16.984 \| good	38.089 \| good	0.315 \| good	1.309 \| good	0.119 \| good
2025-12-15T00:00:00.000Z	34 \| good	3.437 \| good	15.013 \| good	36.848 \| good	0.28 \| good	1.52 \| good	0.121 \| good
2025-12-15T01:00:00.000Z	34 \| good	2.427 \| good	10 \| good	36.601 \| good	0.273 \| good	1.521 \| good	0.122 \| good
2025-12-15T02:00:00.000Z	34 \| good	2.135 \| good	8.983 \| good	36.808 \| good	0.266 \| good	1.522 \| good	0.122 \| good
2025-12-15T03:00:00.000Z	35 \| good	2.299 \| good	9.32 \| good	37.965 \| good	0.259 \| good	1.523 \| good	0.123 \| good
2025-12-15T04:00:00.000Z	33 \| good	3.337 \| good	14.863 \| good	35.988 \| good	0.26 \| good	1.338 \| good	0.121 \| good
2025-12-15T05:00:00.000Z	33 \| good	2.31 \| good	9.879 \| good	35.506 \| good	0.26 \| good	1.153 \| good	0.118 \| good
2025-12-15T06:00:00.000Z	31 \| good	3.154 \| good	13.809 \| good	33.911 \| good	0.26 \| good	0.967 \| good	0.116 \| good
2025-12-15T07:00:00.000Z	31 \| good	2.488 \| good	10.073 \| good	34.164 \| good	0.251 \| good	0.876 \| good	0.115 \| good
2025-12-15T08:00:00.000Z	33 \| good	3.226 \| good	14.033 \| good	35.762 \| good	0.241 \| good	0.784 \| good	0.114 \| good
2025-12-15T09:00:00.000Z	32 \| good	2.407 \| good	10 \| good	35.026 \| good	0.231 \| good	0.692 \| good	0.113 \| good
2025-12-15T10:00:00.000Z	31 \| good	2.737 \| good	11.079 \| good	33.916 \| good	0.231 \| good	0.685 \| good	0.112 \| good
2025-12-15T11:00:00.000Z	31 \| good	2.259 \| good	9.108 \| good	34.225 \| good	0.231 \| good	0.678 \| good	0.111 \| good
2025-12-15T12:00:00.000Z	33 \| good	2.927 \| good	12 \| good	36.318 \| good	0.231 \| good	0.67 \| good	0.11 \| good
2025-12-15T13:00:00.000Z	35 \| good	2.416 \| good	9.952 \| good	37.533 \| good	0.233 \| good	0.815 \| good	0.112 \| good
2025-12-15T14:00:00.000Z	36 \| good	2.373 \| good	9.952 \| good	38.87 \| good	0.236 \| good	0.96 \| good	0.113 \| good
2025-12-15T15:00:00.000Z	36 \| good	3.707 \| good	16.032 \| good	39.28 \| good	0.239 \| good	1.104 \| good	0.114 \| good
2025-12-15T16:00:00.000Z	36 \| good	3.195 \| good	13.888 \| good	38.836 \| good	0.232 \| good	0.983 \| good	0.114 \| good
2025-12-15T17:00:00.000Z	36 \| good	3 \| good	12 \| good	39.205 \| good	0.225 \| good	0.862 \| good	0.115 \| good
2025-12-15T18:00:00.000Z	38 \| good	3.75 \| good	16.079 \| good	40.967 \| good	0.218 \| good	0.741 \| good	0.115 \| good
2025-12-15T19:00:00.000Z	39 \| good	4.43 \| good	19.087 \| good	42.242 \| good	0.217 \| good	0.663 \| good	0.111 \| good
2025-12-15T20:00:00.000Z	38 \| good	3.689 \| good	16.062 \| good	40.589 \| good	0.216 \| good	0.586 \| good	0.107 \| good
2025-12-15T21:00:00.000Z	39 \| good	3.438 \| good	15.255 \| good	41.652 \| good	0.216 \| good	0.508 \| good	0.103 \| good
2025-12-15T22:00:00.000Z	39 \| good	3.741 \| good	16.255 \| good	41.999 \| good	0.207 \| good	0.626 \| good	0.104 \| good
2025-12-15T23:00:00.000Z	39 \| good	4.022 \| good	17.846 \| good	41.973 \| good	0.199 \| good	0.743 \| good	0.105 \| good
2025-12-16T00:00:00.000Z	39 \| good	2.177 \| good	2.952 \| good	41.529 \| good	0.19 \| good	0.861 \| good	0.106 \| good
2025-12-16T01:00:00.000Z	40 \| good	2.577 \| good	10.287 \| good	42.544 \| good	0.167 \| good	0.733 \| good	0.104 \| good

Montana, USA live air quality index now

Major air pollutants in Montana, USA

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Montana, USA air quality map: Track AQI near you

Air quality in cities of Montana, USA

Air quality in nearby states

Idaho, USA

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North Dakota, USA

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Air quality levels in US

Frequently asked questions

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What is the current air quality in Montana, USA?

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What is the current concentration of PM2.5 in Montana, USA?

What is the current concentration of PM10 in Montana, USA?

What is the current concentration of carbon monoxide (CO) in Montana, USA?

What is the current concentration of sulfur dioxide (SO2) in Montana, USA?

What is the current concentration of ozone (O3) in Montana, USA?

What is the current concentration of nitrogen dioxide (NO2) in Montana, USA?

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 Montana, USA?

What is the current concentration of PM₁₀ in Montana, USA?

What is the current concentration of sulfur dioxide (SO₂) in Montana, USA?

What is the current concentration of ozone (O₃) in Montana, USA?

What is the current concentration of nitrogen dioxide (NO₂) in Montana, USA?