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

The current PM10 concentration at Montana, USA is 45.835 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Montana, USA is 2.928 ppb.

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

The current ozone (O3) concentration at Montana, USA is 29.71 ppm.

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

The current nitrogen dioxide (NO2) concentration at Montana, USA is 3.103 ppb.

Montana, USA live air quality index now

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

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)

8.78 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

31.06 μg/m³

155

255

425

605+

Ozone (O₃)

41.92 ppb

201

201+

Sulfur Dioxide (SO₂)

1.04 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.81 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.12 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

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
2025-08-29T04:00:00.000Z	38 \| good	7.433 \| good	32.833 \| good	31.749 \| good	0.07 \| good	1.907 \| good	0.142 \| good
2025-08-29T05:00:00.000Z	38 \| good	7.109 \| good	31.833 \| good	31.244 \| good	0.061 \| good	2.215 \| good	0.146 \| good
2025-08-29T06:00:00.000Z	38 \| good	6.606 \| good	29.833 \| good	29.93 \| good	0.053 \| good	2.522 \| good	0.15 \| good
2025-08-29T07:00:00.000Z	38 \| good	6.512 \| good	28.916 \| good	30.622 \| good	0.052 \| good	2.239 \| good	0.149 \| good
2025-08-29T08:00:00.000Z	33 \| good	6.345 \| good	27.916 \| good	28.476 \| good	0.051 \| good	1.956 \| good	0.148 \| good
2025-08-29T09:00:00.000Z	27 \| good	5.3 \| good	22.916 \| good	27.196 \| good	0.05 \| good	1.674 \| good	0.147 \| good
2025-08-29T10:00:00.000Z	33 \| good	5.777 \| good	24.916 \| good	28.595 \| good	0.048 \| good	1.629 \| good	0.149 \| good
2025-08-29T11:00:00.000Z	33 \| good	6.189 \| good	27.617 \| good	30.633 \| good	0.057 \| good	1.747 \| good	0.159 \| good
2025-08-29T12:00:00.000Z	31 \| good	5.163 \| good	22.261 \| good	33.465 \| good	0.053 \| good	1.791 \| good	0.162 \| good
2025-08-29T13:00:00.000Z	33 \| good	5.594 \| good	23.952 \| good	30.521 \| good	0.051 \| good	1.531 \| good	0.166 \| good
2025-08-29T14:00:00.000Z	33 \| good	6.332 \| good	28.224 \| good	35.034 \| good	0.049 \| good	1.27 \| good	0.169 \| good
2025-08-29T15:00:00.000Z	44 \| good	7.586 \| good	33.868 \| good	36.968 \| good	0.046 \| good	1.01 \| good	0.172 \| good
2025-08-29T16:00:00.000Z	44 \| good	7.552 \| good	33.261 \| good	37.796 \| good	0.048 \| good	0.795 \| good	0.167 \| good
2025-08-29T17:00:00.000Z	38 \| good	6.331 \| good	28.084 \| good	41.183 \| good	0.05 \| good	0.579 \| good	0.162 \| good
2025-08-29T18:00:00.000Z	38 \| good	6.589 \| good	29.308 \| good	38.188 \| good	0.052 \| good	0.364 \| good	0.156 \| good
2025-08-29T19:00:00.000Z	38 \| good	5.715 \| good	24.381 \| good	41.221 \| good	0.047 \| good	0.386 \| good	0.155 \| good
2025-08-29T20:00:00.000Z	42 \| good	6.034 \| good	26.94 \| good	45.065 \| good	0.043 \| good	0.408 \| good	0.154 \| good
2025-08-29T21:00:00.000Z	42 \| good	5.419 \| good	23.344 \| good	45.083 \| good	0.039 \| good	0.429 \| good	0.153 \| good
2025-08-29T22:00:00.000Z	41 \| good	5.793 \| good	25.353 \| good	43.918 \| good	0.034 \| good	0.424 \| good	0.149 \| good
2025-08-29T23:00:00.000Z	40 \| good	7.324 \| good	32.057 \| good	42.948 \| good	0.04 \| good	0.439 \| good	0.131 \| good
2025-08-30T00:00:00.000Z	39 \| good	6.313 \| good	28.14 \| good	41.868 \| good	0.043 \| good	0.503 \| good	0.128 \| good
2025-08-30T01:00:00.000Z	35 \| good	5.832 \| good	25.353 \| good	37.812 \| good	0.043 \| good	0.841 \| good	0.129 \| good
2025-08-30T02:00:00.000Z	33 \| good	5.698 \| good	24.224 \| good	34.747 \| good	0.044 \| good	1.179 \| good	0.131 \| good
2025-08-30T03:00:00.000Z	33 \| good	6.273 \| good	27.916 \| good	31.072 \| good	0.045 \| good	1.517 \| good	0.132 \| good
2025-08-30T04:00:00.000Z	38 \| good	6.613 \| good	29.868 \| good	31.808 \| good	0.046 \| good	1.699 \| good	0.132 \| good
2025-08-30T05:00:00.000Z	33 \| good	6.201 \| good	27.868 \| good	30.351 \| good	0.047 \| good	1.882 \| good	0.133 \| good
2025-08-30T06:00:00.000Z	33 \| good	6.347 \| good	27.953 \| good	30.55 \| good	0.048 \| good	2.064 \| good	0.133 \| good
2025-08-30T07:00:00.000Z	38 \| good	7.224 \| good	31.833 \| good	30.049 \| good	0.05 \| good	2.001 \| good	0.132 \| good
2025-08-30T08:00:00.000Z	33 \| good	6.147 \| good	27.224 \| good	30.33 \| good	0.052 \| good	1.937 \| good	0.131 \| good
2025-08-30T09:00:00.000Z	38 \| good	6.536 \| good	29.224 \| good	28.904 \| good	0.053 \| good	1.874 \| good	0.13 \| good
2025-08-30T10:00:00.000Z	33 \| good	6.188 \| good	27.224 \| good	30.297 \| good	0.054 \| good	1.831 \| good	0.129 \| good
2025-08-30T11:00:00.000Z	33 \| good	5.601 \| good	23.916 \| good	31.013 \| good	0.018 \| good	2.109 \| good	0.135 \| good
2025-08-30T12:00:00.000Z	27 \| good	5.443 \| good	23 \| good	26.459 \| good	0.014 \| good	1.897 \| good	0.133 \| good
2025-08-30T13:00:00.000Z	27 \| good	5.236 \| good	22.868 \| good	26.247 \| good	0.017 \| good	1.64 \| good	0.133 \| good
2025-08-30T14:00:00.000Z	27 \| good	4.925 \| good	21 \| good	27.708 \| good	0.019 \| good	1.383 \| good	0.133 \| good
2025-08-30T15:00:00.000Z	44 \| good	7.548 \| good	32.965 \| good	36.317 \| good	0.022 \| good	1.126 \| good	0.133 \| good
2025-08-30T16:00:00.000Z	44 \| good	7.519 \| good	33 \| good	39.857 \| good	0.044 \| good	0.808 \| good	0.126 \| good
2025-08-30T17:00:00.000Z	38 \| good	7.112 \| good	31.308 \| good	39.519 \| good	0.066 \| good	0.49 \| good	0.118 \| good
2025-08-30T18:00:00.000Z	39 \| good	7.436 \| good	32.952 \| good	41.66 \| good	0.088 \| good	0.172 \| good	0.11 \| good
2025-08-30T19:00:00.000Z	41 \| good	6.459 \| good	29 \| good	43.846 \| good	0.084 \| good	0.168 \| good	0.112 \| good
2025-08-30T20:00:00.000Z	49 \| good	8.677 \| good	37.916 \| good	43.236 \| good	0.081 \| good	0.165 \| good	0.113 \| good
2025-08-30T21:00:00.000Z	44 \| good	7.94 \| good	34.916 \| good	45.852 \| good	0.077 \| good	0.161 \| good	0.115 \| good
2025-08-30T22:00:00.000Z	46 \| good	7.69 \| good	33.916 \| good	49.701 \| good	0.07 \| good	0.199 \| good	0.115 \| good
2025-08-30T23:00:00.000Z	44 \| good	8.083 \| good	35.785 \| good	47.819 \| good	0.078 \| good	0.227 \| good	0.106 \| good
2025-08-31T00:00:00.000Z	44 \| good	5.832 \| good	25.074 \| good	47.1 \| good	0.074 \| good	0.258 \| good	0.105 \| good
2025-08-31T01:00:00.000Z	40 \| good	4.387 \| good	19.12 \| good	43.385 \| good	0.069 \| good	1.028 \| good	0.112 \| good
2025-08-31T02:00:00.000Z	36 \| good	5.594 \| good	24 \| good	39.18 \| good	0.065 \| good	1.797 \| good	0.118 \| good
2025-08-31T03:00:00.000Z	49 \| good	8.776 \| good	31.056 \| good	41.924 \| good	1.041 \| good	1.807 \| good	0.118 \| good
2025-08-29T20:00:00.000Z	41 \| good	6.299 \| good	28.06 \| good	43.508 \| good	0.043 \| good	0.409 \| good	0.154 \| good
2025-08-29T21:00:00.000Z	39 \| good	5.954 \| good	26.802 \| good	42.443 \| good	0.039 \| good	0.429 \| good	0.153 \| good
2025-08-29T22:00:00.000Z	40 \| good	6.052 \| good	26.965 \| good	42.923 \| good	0.034 \| good	0.424 \| good	0.149 \| good
2025-08-29T23:00:00.000Z	39 \| good	7.168 \| good	31.95 \| good	41.84 \| good	0.029 \| good	0.419 \| good	0.145 \| good
2025-08-30T00:00:00.000Z	38 \| good	6.771 \| good	30.159 \| good	41.473 \| good	0.024 \| good	0.414 \| good	0.142 \| good
2025-08-30T01:00:00.000Z	35 \| good	6.155 \| good	27.3 \| good	38.234 \| good	0.024 \| good	0.949 \| good	0.144 \| good
2025-08-30T02:00:00.000Z	36 \| good	5.548 \| good	23.999 \| good	39.118 \| good	0.024 \| good	1.484 \| good	0.147 \| good
2025-08-30T03:00:00.000Z	33 \| good	5.996 \| good	26.824 \| good	35.472 \| good	0.024 \| good	2.019 \| good	0.15 \| good
2025-08-30T04:00:00.000Z	33 \| good	6.13 \| good	27.3 \| good	35.804 \| good	0.024 \| good	2.306 \| good	0.151 \| good
2025-08-30T05:00:00.000Z	33 \| good	6.201 \| good	27.378 \| good	34.984 \| good	0.024 \| good	2.593 \| good	0.152 \| good
2025-08-30T06:00:00.000Z	33 \| good	5.748 \| good	24.998 \| good	32.213 \| good	0.024 \| good	2.88 \| good	0.153 \| good
2025-08-30T07:00:00.000Z	38 \| good	7.154 \| good	31.967 \| good	30.374 \| good	0.022 \| good	2.526 \| good	0.148 \| good
2025-08-30T08:00:00.000Z	44 \| good	7.624 \| good	33.842 \| good	29.372 \| good	0.021 \| good	2.171 \| good	0.143 \| good
2025-08-30T09:00:00.000Z	38 \| good	6.516 \| good	28.984 \| good	28.79 \| good	0.019 \| good	1.816 \| good	0.138 \| good
2025-08-30T10:00:00.000Z	33 \| good	6.483 \| good	28.984 \| good	29.342 \| good	0.017 \| good	1.564 \| good	0.134 \| good
2025-08-30T11:00:00.000Z	30 \| good	5.182 \| good	22.286 \| good	31.725 \| good	0.014 \| good	1.313 \| good	0.13 \| good
2025-08-30T12:00:00.000Z	29 \| good	5.225 \| good	22.918 \| good	31.416 \| good	0.011 \| good	1.062 \| good	0.127 \| good
2025-08-30T13:00:00.000Z	33 \| good	5.984 \| good	26.789 \| good	30.868 \| good	0.014 \| good	0.891 \| good	0.125 \| good
2025-08-30T14:00:00.000Z	33 \| good	6.039 \| good	26.943 \| good	31.183 \| good	0.017 \| good	0.721 \| good	0.124 \| good
2025-08-30T15:00:00.000Z	44 \| good	8.4 \| good	36.931 \| good	39.486 \| good	0.02 \| good	0.551 \| good	0.123 \| good
2025-08-30T16:00:00.000Z	49 \| good	9.025 \| good	39.673 \| good	41.915 \| good	0.036 \| good	0.422 \| good	0.117 \| good
2025-08-30T17:00:00.000Z	44 \| good	7.794 \| good	34.012 \| good	43.473 \| good	0.052 \| good	0.294 \| good	0.11 \| good
2025-08-30T18:00:00.000Z	42 \| good	6.611 \| good	29.271 \| good	44.753 \| good	0.068 \| good	0.166 \| good	0.104 \| good
2025-08-30T19:00:00.000Z	43 \| good	5.235 \| good	22.862 \| good	46.487 \| good	0.075 \| good	0.158 \| good	0.101 \| good
2025-08-30T20:00:00.000Z	44 \| good	6.424 \| good	28.327 \| good	46.765 \| good	0.081 \| good	0.149 \| good	0.098 \| good
2025-08-30T21:00:00.000Z	43 \| good	6.401 \| good	28.302 \| good	46.126 \| good	0.087 \| good	0.141 \| good	0.095 \| good
2025-08-30T22:00:00.000Z	42 \| good	5.915 \| good	26.758 \| good	44.918 \| good	0.088 \| good	0.169 \| good	0.095 \| good
2025-08-30T23:00:00.000Z	40 \| good	7.236 \| good	31.95 \| good	43.259 \| good	0.088 \| good	0.198 \| good	0.095 \| good
2025-08-31T00:00:00.000Z	40 \| good	6.003 \| good	26.931 \| good	43.241 \| good	0.088 \| good	0.227 \| good	0.095 \| good
2025-08-31T01:00:00.000Z	37 \| good	5.269 \| good	22.938 \| good	40.443 \| good	0.088 \| good	1.15 \| good	0.104 \| good
2025-08-31T02:00:00.000Z	36 \| good	5.59 \| good	24.228 \| good	38.635 \| good	0.087 \| good	2.073 \| good	0.112 \| good
2025-08-31T03:00:00.000Z	33 \| good	5.544 \| good	24.016 \| good	34.078 \| good	0.086 \| good	2.996 \| good	0.121 \| good
2025-08-31T04:00:00.000Z	33 \| good	6.03 \| good	26.9 \| good	34.127 \| good	0.087 \| good	3.41 \| good	0.125 \| good
2025-08-31T05:00:00.000Z	38 \| good	6.506 \| good	29.208 \| good	34.724 \| good	0.087 \| good	3.825 \| good	0.129 \| good
2025-08-31T06:00:00.000Z	34 \| good	6.112 \| good	27.255 \| good	37.245 \| good	0.087 \| good	4.239 \| good	0.133 \| good
2025-08-31T07:00:00.000Z	44 \| good	7.723 \| good	33.951 \| good	37.176 \| good	0.082 \| good	4.286 \| good	0.133 \| good
2025-08-31T08:00:00.000Z	44 \| good	7.809 \| good	34.062 \| good	36.902 \| good	0.077 \| good	4.333 \| good	0.133 \| good
2025-08-31T09:00:00.000Z	38 \| good	7.283 \| good	32.039 \| good	35.796 \| good	0.072 \| good	4.379 \| good	0.134 \| good
2025-08-31T10:00:00.000Z	38 \| good	7.365 \| good	32.286 \| good	37.52 \| good	0.068 \| good	4.08 \| good	0.13 \| good
2025-08-31T11:00:00.000Z	38 \| good	7.141 \| good	31.872 \| good	40.303 \| good	0.064 \| good	3.781 \| good	0.127 \| good
2025-08-31T12:00:00.000Z	38 \| good	7.141 \| good	31.854 \| good	38.769 \| good	0.06 \| good	3.482 \| good	0.124 \| good
2025-08-31T13:00:00.000Z	44 \| good	7.552 \| good	33.241 \| good	36.943 \| good	0.061 \| good	2.798 \| good	0.124 \| good
2025-08-31T14:00:00.000Z	44 \| good	8.154 \| good	35.527 \| good	37.271 \| good	0.062 \| good	2.114 \| good	0.124 \| good
2025-08-31T15:00:00.000Z	52 \| moderate	9.914 \| good	44.2 \| good	41.26 \| good	0.063 \| good	1.429 \| good	0.124 \| good
2025-08-31T16:00:00.000Z	52 \| moderate	10.111 \| good	44.921 \| good	44.461 \| good	0.068 \| good	1.013 \| good	0.116 \| good
2025-08-31T17:00:00.000Z	44 \| good	7.678 \| good	33.923 \| good	43.944 \| good	0.073 \| good	0.597 \| good	0.109 \| good
2025-08-31T18:00:00.000Z	44 \| good	8.076 \| good	35.347 \| good	46.516 \| good	0.078 \| good	0.181 \| good	0.102 \| good
2025-08-31T19:00:00.000Z	43 \| good	6.608 \| good	29.302 \| good	46.315 \| good	0.078 \| good	0.174 \| good	0.1 \| 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
ButteSilver Bow, Montana	58 Moderate	12.96μg/m³ Fine	20.09μg/m³ Good	45.21ppb Good	1.11ppb Good	1.50ppb Good	0.10ppm Good
Missoula, Montana	54 Moderate	10.88μg/m³ Good	23.56μg/m³ Good	40.03ppb Good	0.80ppb Good	1.33ppb Good	0.12ppm Good
Billings, Montana	43 Good	6.79μg/m³ Good	29.97μg/m³ Good	45.59ppb Good	1.48ppb Good	1.39ppb Good	0.12ppm Good
Great Falls, Montana	44 Good	7.70μg/m³ Good	34.00μg/m³ Good	40.81ppb Good	0.96ppb Good	2.24ppb Good	0.12ppm Good
Belgrade, Montana	41 Good	6.75μg/m³ Good	29.44μg/m³ Good	43.58ppb Good	1.16ppb Good	1.54ppb Good	0.10ppm Good
Bozeman, Montana	40 Good	6.80μg/m³ Good	29.98μg/m³ Good	43.50ppb Good	1.16ppb Good	1.54ppb Good	0.10ppm Good
Helena, Montana	40 Good	6.67μg/m³ Good	29.71μg/m³ Good	43.27ppb Good	0.07ppb Good	1.55ppb Good	0.12ppm Good
Kalispell, Montana	40 Good	6.20μg/m³ Good	27.99μg/m³ Good	43.10ppb Good	0.70ppb Good	1.76ppb Good	0.13ppm Good

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

0.17ppm

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

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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 04:00:00 on 2025-08-29.

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 09:00:00 on 2025-08-29.

What is the current air quality in Montana, USA?

The current air quality in Montana, USA is 54, categorized as Moderate 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 10.663 μg/m³.

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

The current PM₁₀ concentration at Montana, USA is 45.835 μg/m³.

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

The current carbon monoxide (CO) concentration at Montana, USA is 0.201 ppm.

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

The current sulfur dioxide (SO₂) concentration at Montana, USA is 2.928 ppb.

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

The current ozone (O₃) concentration at Montana, USA is 29.71 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Montana, USA is 3.103 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-08-29T04:00:00.000Z	38 \| good	7.433 \| good	32.833 \| good	31.749 \| good	0.07 \| good	1.907 \| good	0.142 \| good
2025-08-29T05:00:00.000Z	38 \| good	7.109 \| good	31.833 \| good	31.244 \| good	0.061 \| good	2.215 \| good	0.146 \| good
2025-08-29T06:00:00.000Z	38 \| good	6.606 \| good	29.833 \| good	29.93 \| good	0.053 \| good	2.522 \| good	0.15 \| good
2025-08-29T07:00:00.000Z	38 \| good	6.512 \| good	28.916 \| good	30.622 \| good	0.052 \| good	2.239 \| good	0.149 \| good
2025-08-29T08:00:00.000Z	33 \| good	6.345 \| good	27.916 \| good	28.476 \| good	0.051 \| good	1.956 \| good	0.148 \| good
2025-08-29T09:00:00.000Z	27 \| good	5.3 \| good	22.916 \| good	27.196 \| good	0.05 \| good	1.674 \| good	0.147 \| good
2025-08-29T10:00:00.000Z	33 \| good	5.777 \| good	24.916 \| good	28.595 \| good	0.048 \| good	1.629 \| good	0.149 \| good
2025-08-29T11:00:00.000Z	33 \| good	6.189 \| good	27.617 \| good	30.633 \| good	0.057 \| good	1.747 \| good	0.159 \| good
2025-08-29T12:00:00.000Z	31 \| good	5.163 \| good	22.261 \| good	33.465 \| good	0.053 \| good	1.791 \| good	0.162 \| good
2025-08-29T13:00:00.000Z	33 \| good	5.594 \| good	23.952 \| good	30.521 \| good	0.051 \| good	1.531 \| good	0.166 \| good
2025-08-29T14:00:00.000Z	33 \| good	6.332 \| good	28.224 \| good	35.034 \| good	0.049 \| good	1.27 \| good	0.169 \| good
2025-08-29T15:00:00.000Z	44 \| good	7.586 \| good	33.868 \| good	36.968 \| good	0.046 \| good	1.01 \| good	0.172 \| good
2025-08-29T16:00:00.000Z	44 \| good	7.552 \| good	33.261 \| good	37.796 \| good	0.048 \| good	0.795 \| good	0.167 \| good
2025-08-29T17:00:00.000Z	38 \| good	6.331 \| good	28.084 \| good	41.183 \| good	0.05 \| good	0.579 \| good	0.162 \| good
2025-08-29T18:00:00.000Z	38 \| good	6.589 \| good	29.308 \| good	38.188 \| good	0.052 \| good	0.364 \| good	0.156 \| good
2025-08-29T19:00:00.000Z	38 \| good	5.715 \| good	24.381 \| good	41.221 \| good	0.047 \| good	0.386 \| good	0.155 \| good
2025-08-29T20:00:00.000Z	42 \| good	6.034 \| good	26.94 \| good	45.065 \| good	0.043 \| good	0.408 \| good	0.154 \| good
2025-08-29T21:00:00.000Z	42 \| good	5.419 \| good	23.344 \| good	45.083 \| good	0.039 \| good	0.429 \| good	0.153 \| good
2025-08-29T22:00:00.000Z	41 \| good	5.793 \| good	25.353 \| good	43.918 \| good	0.034 \| good	0.424 \| good	0.149 \| good
2025-08-29T23:00:00.000Z	40 \| good	7.324 \| good	32.057 \| good	42.948 \| good	0.04 \| good	0.439 \| good	0.131 \| good
2025-08-30T00:00:00.000Z	39 \| good	6.313 \| good	28.14 \| good	41.868 \| good	0.043 \| good	0.503 \| good	0.128 \| good
2025-08-30T01:00:00.000Z	35 \| good	5.832 \| good	25.353 \| good	37.812 \| good	0.043 \| good	0.841 \| good	0.129 \| good
2025-08-30T02:00:00.000Z	33 \| good	5.698 \| good	24.224 \| good	34.747 \| good	0.044 \| good	1.179 \| good	0.131 \| good
2025-08-30T03:00:00.000Z	33 \| good	6.273 \| good	27.916 \| good	31.072 \| good	0.045 \| good	1.517 \| good	0.132 \| good
2025-08-30T04:00:00.000Z	38 \| good	6.613 \| good	29.868 \| good	31.808 \| good	0.046 \| good	1.699 \| good	0.132 \| good
2025-08-30T05:00:00.000Z	33 \| good	6.201 \| good	27.868 \| good	30.351 \| good	0.047 \| good	1.882 \| good	0.133 \| good
2025-08-30T06:00:00.000Z	33 \| good	6.347 \| good	27.953 \| good	30.55 \| good	0.048 \| good	2.064 \| good	0.133 \| good
2025-08-30T07:00:00.000Z	38 \| good	7.224 \| good	31.833 \| good	30.049 \| good	0.05 \| good	2.001 \| good	0.132 \| good
2025-08-30T08:00:00.000Z	33 \| good	6.147 \| good	27.224 \| good	30.33 \| good	0.052 \| good	1.937 \| good	0.131 \| good
2025-08-30T09:00:00.000Z	38 \| good	6.536 \| good	29.224 \| good	28.904 \| good	0.053 \| good	1.874 \| good	0.13 \| good
2025-08-30T10:00:00.000Z	33 \| good	6.188 \| good	27.224 \| good	30.297 \| good	0.054 \| good	1.831 \| good	0.129 \| good
2025-08-30T11:00:00.000Z	33 \| good	5.601 \| good	23.916 \| good	31.013 \| good	0.018 \| good	2.109 \| good	0.135 \| good
2025-08-30T12:00:00.000Z	27 \| good	5.443 \| good	23 \| good	26.459 \| good	0.014 \| good	1.897 \| good	0.133 \| good
2025-08-30T13:00:00.000Z	27 \| good	5.236 \| good	22.868 \| good	26.247 \| good	0.017 \| good	1.64 \| good	0.133 \| good
2025-08-30T14:00:00.000Z	27 \| good	4.925 \| good	21 \| good	27.708 \| good	0.019 \| good	1.383 \| good	0.133 \| good
2025-08-30T15:00:00.000Z	44 \| good	7.548 \| good	32.965 \| good	36.317 \| good	0.022 \| good	1.126 \| good	0.133 \| good
2025-08-30T16:00:00.000Z	44 \| good	7.519 \| good	33 \| good	39.857 \| good	0.044 \| good	0.808 \| good	0.126 \| good
2025-08-30T17:00:00.000Z	38 \| good	7.112 \| good	31.308 \| good	39.519 \| good	0.066 \| good	0.49 \| good	0.118 \| good
2025-08-30T18:00:00.000Z	39 \| good	7.436 \| good	32.952 \| good	41.66 \| good	0.088 \| good	0.172 \| good	0.11 \| good
2025-08-30T19:00:00.000Z	41 \| good	6.459 \| good	29 \| good	43.846 \| good	0.084 \| good	0.168 \| good	0.112 \| good
2025-08-30T20:00:00.000Z	49 \| good	8.677 \| good	37.916 \| good	43.236 \| good	0.081 \| good	0.165 \| good	0.113 \| good
2025-08-30T21:00:00.000Z	44 \| good	7.94 \| good	34.916 \| good	45.852 \| good	0.077 \| good	0.161 \| good	0.115 \| good
2025-08-30T22:00:00.000Z	46 \| good	7.69 \| good	33.916 \| good	49.701 \| good	0.07 \| good	0.199 \| good	0.115 \| good
2025-08-30T23:00:00.000Z	44 \| good	8.083 \| good	35.785 \| good	47.819 \| good	0.078 \| good	0.227 \| good	0.106 \| good
2025-08-31T00:00:00.000Z	44 \| good	5.832 \| good	25.074 \| good	47.1 \| good	0.074 \| good	0.258 \| good	0.105 \| good
2025-08-31T01:00:00.000Z	40 \| good	4.387 \| good	19.12 \| good	43.385 \| good	0.069 \| good	1.028 \| good	0.112 \| good
2025-08-31T02:00:00.000Z	36 \| good	5.594 \| good	24 \| good	39.18 \| good	0.065 \| good	1.797 \| good	0.118 \| good
2025-08-31T03:00:00.000Z	49 \| good	8.776 \| good	31.056 \| good	41.924 \| good	1.041 \| good	1.807 \| good	0.118 \| good
2025-08-29T20:00:00.000Z	41 \| good	6.299 \| good	28.06 \| good	43.508 \| good	0.043 \| good	0.409 \| good	0.154 \| good
2025-08-29T21:00:00.000Z	39 \| good	5.954 \| good	26.802 \| good	42.443 \| good	0.039 \| good	0.429 \| good	0.153 \| good
2025-08-29T22:00:00.000Z	40 \| good	6.052 \| good	26.965 \| good	42.923 \| good	0.034 \| good	0.424 \| good	0.149 \| good
2025-08-29T23:00:00.000Z	39 \| good	7.168 \| good	31.95 \| good	41.84 \| good	0.029 \| good	0.419 \| good	0.145 \| good
2025-08-30T00:00:00.000Z	38 \| good	6.771 \| good	30.159 \| good	41.473 \| good	0.024 \| good	0.414 \| good	0.142 \| good
2025-08-30T01:00:00.000Z	35 \| good	6.155 \| good	27.3 \| good	38.234 \| good	0.024 \| good	0.949 \| good	0.144 \| good
2025-08-30T02:00:00.000Z	36 \| good	5.548 \| good	23.999 \| good	39.118 \| good	0.024 \| good	1.484 \| good	0.147 \| good
2025-08-30T03:00:00.000Z	33 \| good	5.996 \| good	26.824 \| good	35.472 \| good	0.024 \| good	2.019 \| good	0.15 \| good
2025-08-30T04:00:00.000Z	33 \| good	6.13 \| good	27.3 \| good	35.804 \| good	0.024 \| good	2.306 \| good	0.151 \| good
2025-08-30T05:00:00.000Z	33 \| good	6.201 \| good	27.378 \| good	34.984 \| good	0.024 \| good	2.593 \| good	0.152 \| good
2025-08-30T06:00:00.000Z	33 \| good	5.748 \| good	24.998 \| good	32.213 \| good	0.024 \| good	2.88 \| good	0.153 \| good
2025-08-30T07:00:00.000Z	38 \| good	7.154 \| good	31.967 \| good	30.374 \| good	0.022 \| good	2.526 \| good	0.148 \| good
2025-08-30T08:00:00.000Z	44 \| good	7.624 \| good	33.842 \| good	29.372 \| good	0.021 \| good	2.171 \| good	0.143 \| good
2025-08-30T09:00:00.000Z	38 \| good	6.516 \| good	28.984 \| good	28.79 \| good	0.019 \| good	1.816 \| good	0.138 \| good
2025-08-30T10:00:00.000Z	33 \| good	6.483 \| good	28.984 \| good	29.342 \| good	0.017 \| good	1.564 \| good	0.134 \| good
2025-08-30T11:00:00.000Z	30 \| good	5.182 \| good	22.286 \| good	31.725 \| good	0.014 \| good	1.313 \| good	0.13 \| good
2025-08-30T12:00:00.000Z	29 \| good	5.225 \| good	22.918 \| good	31.416 \| good	0.011 \| good	1.062 \| good	0.127 \| good
2025-08-30T13:00:00.000Z	33 \| good	5.984 \| good	26.789 \| good	30.868 \| good	0.014 \| good	0.891 \| good	0.125 \| good
2025-08-30T14:00:00.000Z	33 \| good	6.039 \| good	26.943 \| good	31.183 \| good	0.017 \| good	0.721 \| good	0.124 \| good
2025-08-30T15:00:00.000Z	44 \| good	8.4 \| good	36.931 \| good	39.486 \| good	0.02 \| good	0.551 \| good	0.123 \| good
2025-08-30T16:00:00.000Z	49 \| good	9.025 \| good	39.673 \| good	41.915 \| good	0.036 \| good	0.422 \| good	0.117 \| good
2025-08-30T17:00:00.000Z	44 \| good	7.794 \| good	34.012 \| good	43.473 \| good	0.052 \| good	0.294 \| good	0.11 \| good
2025-08-30T18:00:00.000Z	42 \| good	6.611 \| good	29.271 \| good	44.753 \| good	0.068 \| good	0.166 \| good	0.104 \| good
2025-08-30T19:00:00.000Z	43 \| good	5.235 \| good	22.862 \| good	46.487 \| good	0.075 \| good	0.158 \| good	0.101 \| good
2025-08-30T20:00:00.000Z	44 \| good	6.424 \| good	28.327 \| good	46.765 \| good	0.081 \| good	0.149 \| good	0.098 \| good
2025-08-30T21:00:00.000Z	43 \| good	6.401 \| good	28.302 \| good	46.126 \| good	0.087 \| good	0.141 \| good	0.095 \| good
2025-08-30T22:00:00.000Z	42 \| good	5.915 \| good	26.758 \| good	44.918 \| good	0.088 \| good	0.169 \| good	0.095 \| good
2025-08-30T23:00:00.000Z	40 \| good	7.236 \| good	31.95 \| good	43.259 \| good	0.088 \| good	0.198 \| good	0.095 \| good
2025-08-31T00:00:00.000Z	40 \| good	6.003 \| good	26.931 \| good	43.241 \| good	0.088 \| good	0.227 \| good	0.095 \| good
2025-08-31T01:00:00.000Z	37 \| good	5.269 \| good	22.938 \| good	40.443 \| good	0.088 \| good	1.15 \| good	0.104 \| good
2025-08-31T02:00:00.000Z	36 \| good	5.59 \| good	24.228 \| good	38.635 \| good	0.087 \| good	2.073 \| good	0.112 \| good
2025-08-31T03:00:00.000Z	33 \| good	5.544 \| good	24.016 \| good	34.078 \| good	0.086 \| good	2.996 \| good	0.121 \| good
2025-08-31T04:00:00.000Z	33 \| good	6.03 \| good	26.9 \| good	34.127 \| good	0.087 \| good	3.41 \| good	0.125 \| good
2025-08-31T05:00:00.000Z	38 \| good	6.506 \| good	29.208 \| good	34.724 \| good	0.087 \| good	3.825 \| good	0.129 \| good
2025-08-31T06:00:00.000Z	34 \| good	6.112 \| good	27.255 \| good	37.245 \| good	0.087 \| good	4.239 \| good	0.133 \| good
2025-08-31T07:00:00.000Z	44 \| good	7.723 \| good	33.951 \| good	37.176 \| good	0.082 \| good	4.286 \| good	0.133 \| good
2025-08-31T08:00:00.000Z	44 \| good	7.809 \| good	34.062 \| good	36.902 \| good	0.077 \| good	4.333 \| good	0.133 \| good
2025-08-31T09:00:00.000Z	38 \| good	7.283 \| good	32.039 \| good	35.796 \| good	0.072 \| good	4.379 \| good	0.134 \| good
2025-08-31T10:00:00.000Z	38 \| good	7.365 \| good	32.286 \| good	37.52 \| good	0.068 \| good	4.08 \| good	0.13 \| good
2025-08-31T11:00:00.000Z	38 \| good	7.141 \| good	31.872 \| good	40.303 \| good	0.064 \| good	3.781 \| good	0.127 \| good
2025-08-31T12:00:00.000Z	38 \| good	7.141 \| good	31.854 \| good	38.769 \| good	0.06 \| good	3.482 \| good	0.124 \| good
2025-08-31T13:00:00.000Z	44 \| good	7.552 \| good	33.241 \| good	36.943 \| good	0.061 \| good	2.798 \| good	0.124 \| good
2025-08-31T14:00:00.000Z	44 \| good	8.154 \| good	35.527 \| good	37.271 \| good	0.062 \| good	2.114 \| good	0.124 \| good
2025-08-31T15:00:00.000Z	52 \| moderate	9.914 \| good	44.2 \| good	41.26 \| good	0.063 \| good	1.429 \| good	0.124 \| good
2025-08-31T16:00:00.000Z	52 \| moderate	10.111 \| good	44.921 \| good	44.461 \| good	0.068 \| good	1.013 \| good	0.116 \| good
2025-08-31T17:00:00.000Z	44 \| good	7.678 \| good	33.923 \| good	43.944 \| good	0.073 \| good	0.597 \| good	0.109 \| good
2025-08-31T18:00:00.000Z	44 \| good	8.076 \| good	35.347 \| good	46.516 \| good	0.078 \| good	0.181 \| good	0.102 \| good
2025-08-31T19:00:00.000Z	43 \| good	6.608 \| good	29.302 \| good	46.315 \| good	0.078 \| good	0.174 \| good	0.1 \| 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?