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

The current PM10 concentration at Montana, USA is 11.528 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Montana, USA is 0.349 ppb.

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

The current ozone (O3) concentration at Montana, USA is 34.434 ppm.

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

The current nitrogen dioxide (NO2) concentration at Montana, USA is 1.556 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 2.726 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)

2.73 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

11.53 μg/m³

155

255

425

605+

Ozone (O₃)

34.43 ppb

201

201+

Sulfur Dioxide (SO₂)

0.35 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.56 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.14 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
2026-04-22T05:00:00.000Z	43 \| good	6.007 \| good	26.317 \| good	46.142 \| good	0.11 \| good	1.703 \| good	0.131 \| good
2026-04-22T06:00:00.000Z	44 \| good	6.95 \| good	31.173 \| good	47.218 \| good	0.114 \| good	1.745 \| good	0.131 \| good
2026-04-22T07:00:00.000Z	44 \| good	6.209 \| good	27.876 \| good	47.487 \| good	0.12 \| good	1.605 \| good	0.13 \| good
2026-04-22T08:00:00.000Z	43 \| good	4.442 \| good	19.39 \| good	46.253 \| good	0.127 \| good	1.465 \| good	0.129 \| good
2026-04-22T09:00:00.000Z	42 \| good	2.464 \| good	10 \| good	45.134 \| good	0.133 \| good	1.325 \| good	0.128 \| good
2026-04-22T10:00:00.000Z	39 \| good	2.249 \| good	9 \| good	42.067 \| good	0.131 \| good	1.245 \| good	0.128 \| good
2026-04-22T11:00:00.000Z	37 \| good	3.499 \| good	15.785 \| good	39.979 \| good	0.128 \| good	1.164 \| good	0.128 \| good
2026-04-22T12:00:00.000Z	40 \| good	3.741 \| good	16 \| good	43.471 \| good	0.125 \| good	1.083 \| good	0.128 \| good
2026-04-22T13:00:00.000Z	42 \| good	3.683 \| good	16 \| good	44.844 \| good	0.111 \| good	0.881 \| good	0.13 \| good
2026-04-22T14:00:00.000Z	44 \| good	2.991 \| good	12 \| good	46.991 \| good	0.108 \| good	0.798 \| good	0.13 \| good
2026-04-22T15:00:00.000Z	43 \| good	4.287 \| good	19 \| good	45.992 \| good	0.105 \| good	0.715 \| good	0.131 \| good
2026-04-22T16:00:00.000Z	43 \| good	4.167 \| good	18.224 \| good	46.456 \| good	0.117 \| good	0.532 \| good	0.124 \| good
2026-04-22T17:00:00.000Z	44 \| good	3.23 \| good	14.224 \| good	46.896 \| good	0.13 \| good	0.348 \| good	0.118 \| good
2026-04-22T18:00:00.000Z	44 \| good	4.018 \| good	17.868 \| good	47.219 \| good	0.143 \| good	0.164 \| good	0.111 \| good
2026-04-22T19:00:00.000Z	44 \| good	2.583 \| good	10.224 \| good	47.343 \| good	0.122 \| good	0.156 \| good	0.109 \| good
2026-04-22T20:00:00.000Z	44 \| good	2.022 \| good	8 \| good	48.01 \| good	0.101 \| good	0.147 \| good	0.108 \| good
2026-04-22T21:00:00.000Z	44 \| good	2.553 \| good	10 \| good	48.023 \| good	0.08 \| good	0.138 \| good	0.106 \| good
2026-04-22T22:00:00.000Z	44 \| good	2.71 \| good	10.916 \| good	47.281 \| good	0.064 \| good	0.201 \| good	0.11 \| good
2026-04-22T23:00:00.000Z	42 \| good	4.122 \| good	17.833 \| good	45.066 \| good	0.049 \| good	0.264 \| good	0.113 \| good
2026-04-23T00:00:00.000Z	43 \| good	3.921 \| good	17.14 \| good	45.527 \| good	0.033 \| good	0.327 \| good	0.116 \| good
2026-04-23T01:00:00.000Z	42 \| good	4.75 \| good	20.916 \| good	45.452 \| good	0.063 \| good	0.385 \| good	0.116 \| good
2026-04-23T02:00:00.000Z	42 \| good	2.802 \| good	11.272 \| good	44.87 \| good	0.036 \| good	0.469 \| good	0.12 \| good
2026-04-23T03:00:00.000Z	40 \| good	3.311 \| good	14.508 \| good	43.194 \| good	0.008 \| good	0.553 \| good	0.124 \| good
2026-04-23T04:00:00.000Z	38 \| good	6.579 \| good	29.317 \| good	40.289 \| good	0.009 \| good	0.553 \| good	0.125 \| good
2026-04-23T05:00:00.000Z	44 \| good	7.943 \| good	34.868 \| good	41.448 \| good	0.01 \| good	0.554 \| good	0.126 \| good
2026-04-23T06:00:00.000Z	38 \| good	6.967 \| good	30.916 \| good	41.226 \| good	0.011 \| good	0.554 \| good	0.127 \| good
2026-04-23T07:00:00.000Z	44 \| good	7.761 \| good	33.749 \| good	40.277 \| good	0.014 \| good	0.571 \| good	0.128 \| good
2026-04-23T08:00:00.000Z	36 \| good	5.225 \| good	22.785 \| good	38.842 \| good	0.017 \| good	0.589 \| good	0.129 \| good
2026-04-23T09:00:00.000Z	37 \| good	2.971 \| good	12 \| good	39.544 \| good	0.02 \| good	0.606 \| good	0.129 \| good
2026-04-23T10:00:00.000Z	34 \| good	2.54 \| good	10 \| good	36.553 \| good	0.017 \| good	0.575 \| good	0.129 \| good
2026-04-23T11:00:00.000Z	33 \| good	3.225 \| good	13.833 \| good	35.666 \| good	0.014 \| good	0.544 \| good	0.129 \| good
2026-04-23T12:00:00.000Z	31 \| good	2.757 \| good	11 \| good	33.985 \| good	0.016 \| good	0.423 \| good	0.13 \| good
2026-04-23T13:00:00.000Z	31 \| good	2.418 \| good	9.963 \| good	33.322 \| good	0.016 \| good	0.418 \| good	0.131 \| good
2026-04-23T14:00:00.000Z	32 \| good	1.76 \| good	7.037 \| good	35.316 \| good	0.016 \| good	0.413 \| good	0.133 \| good
2026-04-23T15:00:00.000Z	36 \| good	3.542 \| good	15.916 \| good	39.364 \| good	0.016 \| good	0.409 \| good	0.135 \| good
2026-04-23T16:00:00.000Z	38 \| good	4.35 \| good	18.916 \| good	41.288 \| good	0.122 \| good	0.346 \| good	0.135 \| good
2026-04-23T17:00:00.000Z	39 \| good	3.518 \| good	15.868 \| good	41.784 \| good	0.227 \| good	0.283 \| good	0.134 \| good
2026-04-23T18:00:00.000Z	39 \| good	4.137 \| good	18.177 \| good	42.206 \| good	0.333 \| good	0.22 \| good	0.134 \| good
2026-04-23T19:00:00.000Z	38 \| good	3.481 \| good	15.224 \| good	41.461 \| good	0.429 \| good	0.185 \| good	0.133 \| good
2026-04-23T20:00:00.000Z	39 \| good	3.42 \| good	15 \| good	41.568 \| good	0.526 \| good	0.15 \| good	0.132 \| good
2026-04-23T21:00:00.000Z	41 \| good	3.388 \| good	14.916 \| good	43.758 \| good	0.622 \| good	0.116 \| good	0.131 \| good
2026-04-23T22:00:00.000Z	43 \| good	3.127 \| good	13.736 \| good	45.799 \| good	0.493 \| good	0.13 \| good	0.129 \| good
2026-04-23T23:00:00.000Z	42 \| good	3.813 \| good	16.916 \| good	44.917 \| good	0.364 \| good	0.144 \| good	0.128 \| good
2026-04-24T00:00:00.000Z	40 \| good	3.739 \| good	16 \| good	43.337 \| good	0.329 \| good	0.182 \| good	0.125 \| good
2026-04-24T01:00:00.000Z	41 \| good	3.321 \| good	14.749 \| good	43.733 \| good	0.292 \| good	0.288 \| good	0.125 \| good
2026-04-24T02:00:00.000Z	34 \| good	2.605 \| good	10.916 \| good	36.84 \| good	0.256 \| good	0.394 \| good	0.124 \| good
2026-04-24T03:00:00.000Z	32 \| good	3.019 \| good	12 \| good	35.11 \| good	0.22 \| good	0.501 \| good	0.124 \| good
2026-04-24T04:00:00.000Z	31 \| good	2.502 \| good	10 \| good	33.525 \| good	0.215 \| good	0.609 \| good	0.125 \| good
2026-04-24T04:00:00.000Z	31 \| good	2.726 \| good	11.528 \| good	34.434 \| good	0.349 \| good	1.556 \| good	0.137 \| good
2026-04-24T04:00:00.000Z	31 \| good	2.779 \| good	11.109 \| good	33.981 \| good	0.1 \| good	0.628 \| good	0.126 \| good
2026-04-24T05:00:00.000Z	31 \| good	2.215 \| good	9 \| good	34.392 \| good	0.112 \| good	0.707 \| good	0.127 \| good
2026-04-24T06:00:00.000Z	31 \| good	2.544 \| good	10.062 \| good	33.989 \| good	0.124 \| good	0.787 \| good	0.127 \| good
2026-04-24T07:00:00.000Z	30 \| good	4.927 \| good	21.047 \| good	31.742 \| good	0.152 \| good	0.73 \| good	0.126 \| good
2026-04-24T08:00:00.000Z	32 \| good	4.426 \| good	18.967 \| good	34.926 \| good	0.181 \| good	0.672 \| good	0.125 \| good
2026-04-24T09:00:00.000Z	31 \| good	2.47 \| good	10.079 \| good	34.071 \| good	0.21 \| good	0.615 \| good	0.124 \| good
2026-04-24T10:00:00.000Z	28 \| good	2.054 \| good	8.079 \| good	29.694 \| good	0.208 \| good	0.564 \| good	0.125 \| good
2026-04-24T11:00:00.000Z	28 \| good	2.4 \| good	9.977 \| good	30.375 \| good	0.206 \| good	0.514 \| good	0.125 \| good
2026-04-24T12:00:00.000Z	28 \| good	2.711 \| good	10.987 \| good	30.41 \| good	0.203 \| good	0.463 \| good	0.126 \| good
2026-04-24T13:00:00.000Z	31 \| good	1.941 \| good	8 \| good	33.068 \| good	0.143 \| good	0.398 \| good	0.129 \| good
2026-04-24T14:00:00.000Z	31 \| good	2.15 \| good	8.895 \| good	34.297 \| good	0.082 \| good	0.333 \| good	0.132 \| good
2026-04-24T15:00:00.000Z	32 \| good	3.985 \| good	17.27 \| good	35.309 \| good	0.022 \| good	0.267 \| good	0.136 \| good
2026-04-24T16:00:00.000Z	35 \| good	4.818 \| good	20.901 \| good	38.201 \| good	0.02 \| good	0.226 \| good	0.135 \| good
2026-04-24T17:00:00.000Z	37 \| good	4.34 \| good	18.998 \| good	39.811 \| good	0.019 \| good	0.186 \| good	0.134 \| good
2026-04-24T18:00:00.000Z	36 \| good	4.637 \| good	20.148 \| good	38.922 \| good	0.017 \| good	0.145 \| good	0.134 \| good
2026-04-24T19:00:00.000Z	35 \| good	4.191 \| good	18.28 \| good	38.163 \| good	0.018 \| good	0.134 \| good	0.132 \| good
2026-04-24T20:00:00.000Z	38 \| good	4.093 \| good	17.996 \| good	40.72 \| good	0.019 \| good	0.124 \| good	0.131 \| good
2026-04-24T21:00:00.000Z	41 \| good	4.185 \| good	18.28 \| good	43.734 \| good	0.021 \| good	0.113 \| good	0.13 \| good
2026-04-24T22:00:00.000Z	40 \| good	3.121 \| good	13.773 \| good	42.827 \| good	0.03 \| good	0.137 \| good	0.129 \| good
2026-04-24T23:00:00.000Z	38 \| good	4.421 \| good	19.075 \| good	41.355 \| good	0.04 \| good	0.16 \| good	0.129 \| good
2026-04-25T00:00:00.000Z	36 \| good	5.693 \| good	24.374 \| good	38.685 \| good	0.05 \| good	0.183 \| good	0.129 \| good
2026-04-25T01:00:00.000Z	36 \| good	5.355 \| good	22.967 \| good	38.518 \| good	0.044 \| good	0.318 \| good	0.129 \| good
2026-04-25T02:00:00.000Z	35 \| good	4.425 \| good	19.065 \| good	37.687 \| good	0.038 \| good	0.453 \| good	0.13 \| good
2026-04-25T03:00:00.000Z	32 \| good	4.287 \| good	18.984 \| good	35.405 \| good	0.033 \| good	0.588 \| good	0.131 \| good
2026-04-25T04:00:00.000Z	32 \| good	3.842 \| good	16.904 \| good	35.083 \| good	0.033 \| good	0.712 \| good	0.133 \| good
2026-04-25T05:00:00.000Z	34 \| good	3.524 \| good	15.875 \| good	37.39 \| good	0.033 \| good	0.836 \| good	0.134 \| good
2026-04-25T06:00:00.000Z	35 \| good	3.448 \| good	15.082 \| good	37.541 \| good	0.033 \| good	0.96 \| good	0.136 \| good
2026-04-25T07:00:00.000Z	34 \| good	5.539 \| good	23.873 \| good	36.771 \| good	0.03 \| good	0.876 \| good	0.135 \| good
2026-04-25T08:00:00.000Z	35 \| good	4.773 \| good	20.922 \| good	37.505 \| good	0.027 \| good	0.791 \| good	0.134 \| good
2026-04-25T09:00:00.000Z	35 \| good	2.867 \| good	11.927 \| good	37.616 \| good	0.025 \| good	0.707 \| good	0.133 \| good
2026-04-25T10:00:00.000Z	33 \| good	2.451 \| good	10 \| good	35.872 \| good	0.021 \| good	0.69 \| good	0.132 \| good
2026-04-25T11:00:00.000Z	32 \| good	2.822 \| good	11.904 \| good	35.369 \| good	0.016 \| good	0.673 \| good	0.132 \| good
2026-04-25T12:00:00.000Z	31 \| good	2.616 \| good	10.927 \| good	33.178 \| good	0.012 \| good	0.656 \| good	0.132 \| good
2026-04-25T13:00:00.000Z	31 \| good	2.409 \| good	10 \| good	34.106 \| good	0.03 \| good	0.514 \| good	0.13 \| good
2026-04-25T14:00:00.000Z	35 \| good	2.676 \| good	10.953 \| good	38.189 \| good	0.048 \| good	0.372 \| good	0.128 \| good
2026-04-25T15:00:00.000Z	39 \| good	4.435 \| good	19.092 \| good	41.845 \| good	0.066 \| good	0.23 \| good	0.127 \| good
2026-04-25T16:00:00.000Z	38 \| good	4.569 \| good	19.942 \| good	41.418 \| good	0.075 \| good	0.192 \| good	0.126 \| good
2026-04-25T17:00:00.000Z	37 \| good	3.525 \| good	15.83 \| good	40.202 \| good	0.083 \| good	0.155 \| good	0.124 \| good
2026-04-25T18:00:00.000Z	39 \| good	3.785 \| good	16.311 \| good	41.851 \| good	0.092 \| good	0.117 \| good	0.123 \| good
2026-04-25T19:00:00.000Z	39 \| good	3.424 \| good	15.013 \| good	41.918 \| good	0.086 \| good	0.117 \| good	0.123 \| good
2026-04-25T20:00:00.000Z	39 \| good	2.943 \| good	12.098 \| good	41.905 \| good	0.081 \| good	0.118 \| good	0.123 \| good
2026-04-25T21:00:00.000Z	41 \| good	3.523 \| good	15.271 \| good	44.051 \| good	0.076 \| good	0.118 \| good	0.123 \| good
2026-04-25T22:00:00.000Z	42 \| good	2.657 \| good	10.923 \| good	45.447 \| good	0.072 \| good	0.135 \| good	0.123 \| good
2026-04-25T23:00:00.000Z	44 \| good	2.796 \| good	11.269 \| good	47.047 \| good	0.068 \| good	0.153 \| good	0.123 \| good
2026-04-26T00:00:00.000Z	46 \| good	1.909 \| good	2.417 \| good	50.069 \| good	0.065 \| good	0.17 \| good	0.123 \| good
2026-04-26T01:00:00.000Z	41 \| good	4.01 \| good	17.324 \| good	44.007 \| good	0.056 \| good	0.416 \| good	0.125 \| good
2026-04-26T02:00:00.000Z	36 \| good	3.827 \| good	16.915 \| good	39.014 \| good	0.046 \| good	0.661 \| good	0.128 \| good
2026-04-26T03:00:00.000Z	33 \| good	4.906 \| good	21.029 \| good	35.568 \| good	0.037 \| good	0.906 \| good	0.131 \| 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
Belgrade, Montana	33 Good	2.25μg/m³ Good	9.38μg/m³ Good	36.33ppb Good	0.28ppb Good	1.64ppb Good	0.14ppm Good
Billings, Montana	33 Good	0.25μg/m³ Good	1.00μg/m³ Good	36.26ppb Good	0.56ppb Good	1.01ppb Good	0.13ppm Good
ButteSilver Bow, Montana	33 Good	5.01μg/m³ Good	21.61μg/m³ Good	35.66ppb Good	0.24ppb Good	2.13ppb Good	0.14ppm Good
Bozeman, Montana	33 Good	2.25μg/m³ Good	9.00μg/m³ Good	35.97ppb Good	0.25ppb Good	1.63ppb Good	0.14ppm Good
Great Falls, Montana	34 Good	5.41μg/m³ Good	23.00μg/m³ Good	37.29ppb Good	0.39ppb Good	0.69ppb Good	0.12ppm Good
Helena, Montana	31 Good	3.82μg/m³ Good	16.63μg/m³ Good	33.59ppb Good	0.31ppb Good	1.82ppb Good	0.14ppm Good
Kalispell, Montana	31 Good	1.64μg/m³ Good	6.60μg/m³ Good	32.52ppb Good	0.31ppb Good	1.17ppb Good	0.14ppm Good
Missoula, Montana	26 Good	1.18μg/m³ Good	5.00μg/m³ Good	27.86ppb Good	0.44ppb Good	2.35ppb Good	0.15ppm Good

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

0.20ppm

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 2026-04-23.

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 01:00:00 on 2026-04-23.

What is the current air quality in Montana, USA?

The current air quality in Montana, USA is 31, 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 O3.

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 2.726 μg/m³.

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

The current PM₁₀ concentration at Montana, USA is 11.528 μg/m³.

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

The current carbon monoxide (CO) concentration at Montana, USA is 0.137 ppm.

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

The current sulfur dioxide (SO₂) concentration at Montana, USA is 0.349 ppb.

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

The current ozone (O₃) concentration at Montana, USA is 34.434 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Montana, USA is 1.556 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-22T05:00:00.000Z	43 \| good	6.007 \| good	26.317 \| good	46.142 \| good	0.11 \| good	1.703 \| good	0.131 \| good
2026-04-22T06:00:00.000Z	44 \| good	6.95 \| good	31.173 \| good	47.218 \| good	0.114 \| good	1.745 \| good	0.131 \| good
2026-04-22T07:00:00.000Z	44 \| good	6.209 \| good	27.876 \| good	47.487 \| good	0.12 \| good	1.605 \| good	0.13 \| good
2026-04-22T08:00:00.000Z	43 \| good	4.442 \| good	19.39 \| good	46.253 \| good	0.127 \| good	1.465 \| good	0.129 \| good
2026-04-22T09:00:00.000Z	42 \| good	2.464 \| good	10 \| good	45.134 \| good	0.133 \| good	1.325 \| good	0.128 \| good
2026-04-22T10:00:00.000Z	39 \| good	2.249 \| good	9 \| good	42.067 \| good	0.131 \| good	1.245 \| good	0.128 \| good
2026-04-22T11:00:00.000Z	37 \| good	3.499 \| good	15.785 \| good	39.979 \| good	0.128 \| good	1.164 \| good	0.128 \| good
2026-04-22T12:00:00.000Z	40 \| good	3.741 \| good	16 \| good	43.471 \| good	0.125 \| good	1.083 \| good	0.128 \| good
2026-04-22T13:00:00.000Z	42 \| good	3.683 \| good	16 \| good	44.844 \| good	0.111 \| good	0.881 \| good	0.13 \| good
2026-04-22T14:00:00.000Z	44 \| good	2.991 \| good	12 \| good	46.991 \| good	0.108 \| good	0.798 \| good	0.13 \| good
2026-04-22T15:00:00.000Z	43 \| good	4.287 \| good	19 \| good	45.992 \| good	0.105 \| good	0.715 \| good	0.131 \| good
2026-04-22T16:00:00.000Z	43 \| good	4.167 \| good	18.224 \| good	46.456 \| good	0.117 \| good	0.532 \| good	0.124 \| good
2026-04-22T17:00:00.000Z	44 \| good	3.23 \| good	14.224 \| good	46.896 \| good	0.13 \| good	0.348 \| good	0.118 \| good
2026-04-22T18:00:00.000Z	44 \| good	4.018 \| good	17.868 \| good	47.219 \| good	0.143 \| good	0.164 \| good	0.111 \| good
2026-04-22T19:00:00.000Z	44 \| good	2.583 \| good	10.224 \| good	47.343 \| good	0.122 \| good	0.156 \| good	0.109 \| good
2026-04-22T20:00:00.000Z	44 \| good	2.022 \| good	8 \| good	48.01 \| good	0.101 \| good	0.147 \| good	0.108 \| good
2026-04-22T21:00:00.000Z	44 \| good	2.553 \| good	10 \| good	48.023 \| good	0.08 \| good	0.138 \| good	0.106 \| good
2026-04-22T22:00:00.000Z	44 \| good	2.71 \| good	10.916 \| good	47.281 \| good	0.064 \| good	0.201 \| good	0.11 \| good
2026-04-22T23:00:00.000Z	42 \| good	4.122 \| good	17.833 \| good	45.066 \| good	0.049 \| good	0.264 \| good	0.113 \| good
2026-04-23T00:00:00.000Z	43 \| good	3.921 \| good	17.14 \| good	45.527 \| good	0.033 \| good	0.327 \| good	0.116 \| good
2026-04-23T01:00:00.000Z	42 \| good	4.75 \| good	20.916 \| good	45.452 \| good	0.063 \| good	0.385 \| good	0.116 \| good
2026-04-23T02:00:00.000Z	42 \| good	2.802 \| good	11.272 \| good	44.87 \| good	0.036 \| good	0.469 \| good	0.12 \| good
2026-04-23T03:00:00.000Z	40 \| good	3.311 \| good	14.508 \| good	43.194 \| good	0.008 \| good	0.553 \| good	0.124 \| good
2026-04-23T04:00:00.000Z	38 \| good	6.579 \| good	29.317 \| good	40.289 \| good	0.009 \| good	0.553 \| good	0.125 \| good
2026-04-23T05:00:00.000Z	44 \| good	7.943 \| good	34.868 \| good	41.448 \| good	0.01 \| good	0.554 \| good	0.126 \| good
2026-04-23T06:00:00.000Z	38 \| good	6.967 \| good	30.916 \| good	41.226 \| good	0.011 \| good	0.554 \| good	0.127 \| good
2026-04-23T07:00:00.000Z	44 \| good	7.761 \| good	33.749 \| good	40.277 \| good	0.014 \| good	0.571 \| good	0.128 \| good
2026-04-23T08:00:00.000Z	36 \| good	5.225 \| good	22.785 \| good	38.842 \| good	0.017 \| good	0.589 \| good	0.129 \| good
2026-04-23T09:00:00.000Z	37 \| good	2.971 \| good	12 \| good	39.544 \| good	0.02 \| good	0.606 \| good	0.129 \| good
2026-04-23T10:00:00.000Z	34 \| good	2.54 \| good	10 \| good	36.553 \| good	0.017 \| good	0.575 \| good	0.129 \| good
2026-04-23T11:00:00.000Z	33 \| good	3.225 \| good	13.833 \| good	35.666 \| good	0.014 \| good	0.544 \| good	0.129 \| good
2026-04-23T12:00:00.000Z	31 \| good	2.757 \| good	11 \| good	33.985 \| good	0.016 \| good	0.423 \| good	0.13 \| good
2026-04-23T13:00:00.000Z	31 \| good	2.418 \| good	9.963 \| good	33.322 \| good	0.016 \| good	0.418 \| good	0.131 \| good
2026-04-23T14:00:00.000Z	32 \| good	1.76 \| good	7.037 \| good	35.316 \| good	0.016 \| good	0.413 \| good	0.133 \| good
2026-04-23T15:00:00.000Z	36 \| good	3.542 \| good	15.916 \| good	39.364 \| good	0.016 \| good	0.409 \| good	0.135 \| good
2026-04-23T16:00:00.000Z	38 \| good	4.35 \| good	18.916 \| good	41.288 \| good	0.122 \| good	0.346 \| good	0.135 \| good
2026-04-23T17:00:00.000Z	39 \| good	3.518 \| good	15.868 \| good	41.784 \| good	0.227 \| good	0.283 \| good	0.134 \| good
2026-04-23T18:00:00.000Z	39 \| good	4.137 \| good	18.177 \| good	42.206 \| good	0.333 \| good	0.22 \| good	0.134 \| good
2026-04-23T19:00:00.000Z	38 \| good	3.481 \| good	15.224 \| good	41.461 \| good	0.429 \| good	0.185 \| good	0.133 \| good
2026-04-23T20:00:00.000Z	39 \| good	3.42 \| good	15 \| good	41.568 \| good	0.526 \| good	0.15 \| good	0.132 \| good
2026-04-23T21:00:00.000Z	41 \| good	3.388 \| good	14.916 \| good	43.758 \| good	0.622 \| good	0.116 \| good	0.131 \| good
2026-04-23T22:00:00.000Z	43 \| good	3.127 \| good	13.736 \| good	45.799 \| good	0.493 \| good	0.13 \| good	0.129 \| good
2026-04-23T23:00:00.000Z	42 \| good	3.813 \| good	16.916 \| good	44.917 \| good	0.364 \| good	0.144 \| good	0.128 \| good
2026-04-24T00:00:00.000Z	40 \| good	3.739 \| good	16 \| good	43.337 \| good	0.329 \| good	0.182 \| good	0.125 \| good
2026-04-24T01:00:00.000Z	41 \| good	3.321 \| good	14.749 \| good	43.733 \| good	0.292 \| good	0.288 \| good	0.125 \| good
2026-04-24T02:00:00.000Z	34 \| good	2.605 \| good	10.916 \| good	36.84 \| good	0.256 \| good	0.394 \| good	0.124 \| good
2026-04-24T03:00:00.000Z	32 \| good	3.019 \| good	12 \| good	35.11 \| good	0.22 \| good	0.501 \| good	0.124 \| good
2026-04-24T04:00:00.000Z	31 \| good	2.502 \| good	10 \| good	33.525 \| good	0.215 \| good	0.609 \| good	0.125 \| good
2026-04-24T04:00:00.000Z	31 \| good	2.726 \| good	11.528 \| good	34.434 \| good	0.349 \| good	1.556 \| good	0.137 \| good
2026-04-24T04:00:00.000Z	31 \| good	2.779 \| good	11.109 \| good	33.981 \| good	0.1 \| good	0.628 \| good	0.126 \| good
2026-04-24T05:00:00.000Z	31 \| good	2.215 \| good	9 \| good	34.392 \| good	0.112 \| good	0.707 \| good	0.127 \| good
2026-04-24T06:00:00.000Z	31 \| good	2.544 \| good	10.062 \| good	33.989 \| good	0.124 \| good	0.787 \| good	0.127 \| good
2026-04-24T07:00:00.000Z	30 \| good	4.927 \| good	21.047 \| good	31.742 \| good	0.152 \| good	0.73 \| good	0.126 \| good
2026-04-24T08:00:00.000Z	32 \| good	4.426 \| good	18.967 \| good	34.926 \| good	0.181 \| good	0.672 \| good	0.125 \| good
2026-04-24T09:00:00.000Z	31 \| good	2.47 \| good	10.079 \| good	34.071 \| good	0.21 \| good	0.615 \| good	0.124 \| good
2026-04-24T10:00:00.000Z	28 \| good	2.054 \| good	8.079 \| good	29.694 \| good	0.208 \| good	0.564 \| good	0.125 \| good
2026-04-24T11:00:00.000Z	28 \| good	2.4 \| good	9.977 \| good	30.375 \| good	0.206 \| good	0.514 \| good	0.125 \| good
2026-04-24T12:00:00.000Z	28 \| good	2.711 \| good	10.987 \| good	30.41 \| good	0.203 \| good	0.463 \| good	0.126 \| good
2026-04-24T13:00:00.000Z	31 \| good	1.941 \| good	8 \| good	33.068 \| good	0.143 \| good	0.398 \| good	0.129 \| good
2026-04-24T14:00:00.000Z	31 \| good	2.15 \| good	8.895 \| good	34.297 \| good	0.082 \| good	0.333 \| good	0.132 \| good
2026-04-24T15:00:00.000Z	32 \| good	3.985 \| good	17.27 \| good	35.309 \| good	0.022 \| good	0.267 \| good	0.136 \| good
2026-04-24T16:00:00.000Z	35 \| good	4.818 \| good	20.901 \| good	38.201 \| good	0.02 \| good	0.226 \| good	0.135 \| good
2026-04-24T17:00:00.000Z	37 \| good	4.34 \| good	18.998 \| good	39.811 \| good	0.019 \| good	0.186 \| good	0.134 \| good
2026-04-24T18:00:00.000Z	36 \| good	4.637 \| good	20.148 \| good	38.922 \| good	0.017 \| good	0.145 \| good	0.134 \| good
2026-04-24T19:00:00.000Z	35 \| good	4.191 \| good	18.28 \| good	38.163 \| good	0.018 \| good	0.134 \| good	0.132 \| good
2026-04-24T20:00:00.000Z	38 \| good	4.093 \| good	17.996 \| good	40.72 \| good	0.019 \| good	0.124 \| good	0.131 \| good
2026-04-24T21:00:00.000Z	41 \| good	4.185 \| good	18.28 \| good	43.734 \| good	0.021 \| good	0.113 \| good	0.13 \| good
2026-04-24T22:00:00.000Z	40 \| good	3.121 \| good	13.773 \| good	42.827 \| good	0.03 \| good	0.137 \| good	0.129 \| good
2026-04-24T23:00:00.000Z	38 \| good	4.421 \| good	19.075 \| good	41.355 \| good	0.04 \| good	0.16 \| good	0.129 \| good
2026-04-25T00:00:00.000Z	36 \| good	5.693 \| good	24.374 \| good	38.685 \| good	0.05 \| good	0.183 \| good	0.129 \| good
2026-04-25T01:00:00.000Z	36 \| good	5.355 \| good	22.967 \| good	38.518 \| good	0.044 \| good	0.318 \| good	0.129 \| good
2026-04-25T02:00:00.000Z	35 \| good	4.425 \| good	19.065 \| good	37.687 \| good	0.038 \| good	0.453 \| good	0.13 \| good
2026-04-25T03:00:00.000Z	32 \| good	4.287 \| good	18.984 \| good	35.405 \| good	0.033 \| good	0.588 \| good	0.131 \| good
2026-04-25T04:00:00.000Z	32 \| good	3.842 \| good	16.904 \| good	35.083 \| good	0.033 \| good	0.712 \| good	0.133 \| good
2026-04-25T05:00:00.000Z	34 \| good	3.524 \| good	15.875 \| good	37.39 \| good	0.033 \| good	0.836 \| good	0.134 \| good
2026-04-25T06:00:00.000Z	35 \| good	3.448 \| good	15.082 \| good	37.541 \| good	0.033 \| good	0.96 \| good	0.136 \| good
2026-04-25T07:00:00.000Z	34 \| good	5.539 \| good	23.873 \| good	36.771 \| good	0.03 \| good	0.876 \| good	0.135 \| good
2026-04-25T08:00:00.000Z	35 \| good	4.773 \| good	20.922 \| good	37.505 \| good	0.027 \| good	0.791 \| good	0.134 \| good
2026-04-25T09:00:00.000Z	35 \| good	2.867 \| good	11.927 \| good	37.616 \| good	0.025 \| good	0.707 \| good	0.133 \| good
2026-04-25T10:00:00.000Z	33 \| good	2.451 \| good	10 \| good	35.872 \| good	0.021 \| good	0.69 \| good	0.132 \| good
2026-04-25T11:00:00.000Z	32 \| good	2.822 \| good	11.904 \| good	35.369 \| good	0.016 \| good	0.673 \| good	0.132 \| good
2026-04-25T12:00:00.000Z	31 \| good	2.616 \| good	10.927 \| good	33.178 \| good	0.012 \| good	0.656 \| good	0.132 \| good
2026-04-25T13:00:00.000Z	31 \| good	2.409 \| good	10 \| good	34.106 \| good	0.03 \| good	0.514 \| good	0.13 \| good
2026-04-25T14:00:00.000Z	35 \| good	2.676 \| good	10.953 \| good	38.189 \| good	0.048 \| good	0.372 \| good	0.128 \| good
2026-04-25T15:00:00.000Z	39 \| good	4.435 \| good	19.092 \| good	41.845 \| good	0.066 \| good	0.23 \| good	0.127 \| good
2026-04-25T16:00:00.000Z	38 \| good	4.569 \| good	19.942 \| good	41.418 \| good	0.075 \| good	0.192 \| good	0.126 \| good
2026-04-25T17:00:00.000Z	37 \| good	3.525 \| good	15.83 \| good	40.202 \| good	0.083 \| good	0.155 \| good	0.124 \| good
2026-04-25T18:00:00.000Z	39 \| good	3.785 \| good	16.311 \| good	41.851 \| good	0.092 \| good	0.117 \| good	0.123 \| good
2026-04-25T19:00:00.000Z	39 \| good	3.424 \| good	15.013 \| good	41.918 \| good	0.086 \| good	0.117 \| good	0.123 \| good
2026-04-25T20:00:00.000Z	39 \| good	2.943 \| good	12.098 \| good	41.905 \| good	0.081 \| good	0.118 \| good	0.123 \| good
2026-04-25T21:00:00.000Z	41 \| good	3.523 \| good	15.271 \| good	44.051 \| good	0.076 \| good	0.118 \| good	0.123 \| good
2026-04-25T22:00:00.000Z	42 \| good	2.657 \| good	10.923 \| good	45.447 \| good	0.072 \| good	0.135 \| good	0.123 \| good
2026-04-25T23:00:00.000Z	44 \| good	2.796 \| good	11.269 \| good	47.047 \| good	0.068 \| good	0.153 \| good	0.123 \| good
2026-04-26T00:00:00.000Z	46 \| good	1.909 \| good	2.417 \| good	50.069 \| good	0.065 \| good	0.17 \| good	0.123 \| good
2026-04-26T01:00:00.000Z	41 \| good	4.01 \| good	17.324 \| good	44.007 \| good	0.056 \| good	0.416 \| good	0.125 \| good
2026-04-26T02:00:00.000Z	36 \| good	3.827 \| good	16.915 \| good	39.014 \| good	0.046 \| good	0.661 \| good	0.128 \| good
2026-04-26T03:00:00.000Z	33 \| good	4.906 \| good	21.029 \| good	35.568 \| good	0.037 \| good	0.906 \| good	0.131 \| 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?