What is the current concentration of PM10 in Johnstown, Colorado?

The current PM10 concentration at Johnstown, Colorado is 5.997 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Johnstown, Colorado?

The current sulfur dioxide (SO2) concentration at Johnstown, Colorado is 0.412 ppb.

What is the current concentration of ozone (O3) in Johnstown, Colorado?

The current ozone (O3) concentration at Johnstown, Colorado is 19.704 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Johnstown, Colorado?

The current nitrogen dioxide (NO2) concentration at Johnstown, Colorado is 14.687 ppb.

Johnstown, Colorado live air quality index now

Q: What is the current concentration of PM2.5 in Johnstown, Colorado?

The current PM2.5 concentration at Johnstown, Colorado is 2.09 μg/m3.

Stay updated with real-time air quality in Johnstown, Colorado 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

Johnstown, Colorado

Last updated: ... (Local time)

Major air pollutants in Johnstown, Colorado

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

2.09 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

6.00 μg/m³

155

255

425

605+

Ozone (O₃)

19.70 ppb

201

201+

Sulfur Dioxide (SO₂)

0.41 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

14.69 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Johnstown, Colorado

Get Live Pollen Counts

Johnstown, Colorado

Scroll To Air Quality Map

Track live Johnstown, Colorado air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T12:00:00.000Z	60 \| moderate	14.41 \| fine	29.029 \| good	8.331 \| good	0.775 \| good	26.56 \| good	0.386 \| good
2025-12-05T13:00:00.000Z	58 \| moderate	13.145 \| fine	19.081 \| good	4.779 \| good	0.818 \| good	29.438 \| good	0.45 \| good
2025-12-05T14:00:00.000Z	64 \| moderate	15.639 \| fine	28.168 \| good	14.332 \| good	1.361 \| good	36.882 \| good	0.514 \| good
2025-12-05T15:00:00.000Z	58 \| moderate	13.29 \| fine	36.625 \| good	7.339 \| good	1.666 \| good	34.353 \| good	0.55 \| good
2025-12-05T16:00:00.000Z	54 \| moderate	11.237 \| good	26.042 \| good	8.019 \| good	1.407 \| good	33.575 \| good	0.492 \| good
2025-12-05T17:00:00.000Z	49 \| good	8.575 \| good	31.716 \| good	11.421 \| good	1.459 \| good	36.058 \| good	0.455 \| good
2025-12-05T18:00:00.000Z	52 \| moderate	10.344 \| good	39.114 \| good	12.559 \| good	1.318 \| good	34.535 \| good	0.482 \| good
2025-12-05T19:00:00.000Z	64 \| moderate	16.483 \| fine	36.46 \| good	16.26 \| good	1.169 \| good	33.033 \| good	0.448 \| good
2025-12-05T20:00:00.000Z	62 \| moderate	14.897 \| fine	22.418 \| good	14.434 \| good	1.424 \| good	29.813 \| good	0.415 \| good
2025-12-05T21:00:00.000Z	64 \| moderate	15.895 \| fine	54.795 \| good	18.186 \| good	1.356 \| good	31.805 \| good	0.408 \| good
2025-12-05T22:00:00.000Z	64 \| moderate	16.137 \| fine	75.096 \| fine	21.572 \| good	1.196 \| good	43.314 \| good	0.422 \| good
2025-12-05T23:00:00.000Z	62 \| moderate	15.242 \| fine	47.264 \| good	17.199 \| good	1.125 \| good	41.307 \| good	0.395 \| good
2025-12-06T00:00:00.000Z	64 \| moderate	15.839 \| fine	32.754 \| good	15.519 \| good	0.792 \| good	40.224 \| good	0.466 \| good
2025-12-06T01:00:00.000Z	62 \| moderate	14.762 \| fine	28.03 \| good	13.648 \| good	1.402 \| good	43.189 \| good	0.526 \| good
2025-12-06T02:00:00.000Z	64 \| moderate	16.433 \| fine	55.581 \| fine	8.225 \| good	1.391 \| good	44.781 \| good	0.629 \| good
2025-12-06T03:00:00.000Z	56 \| moderate	12.349 \| fine	21.082 \| good	5.453 \| good	1.278 \| good	36.933 \| good	0.571 \| good
2025-12-06T04:00:00.000Z	60 \| moderate	14.056 \| fine	44.679 \| good	14.887 \| good	0.907 \| good	33.05 \| good	0.511 \| good
2025-12-06T05:00:00.000Z	69 \| moderate	19.136 \| fine	24.644 \| good	14.689 \| good	0.671 \| good	22.742 \| good	0.468 \| good
2025-12-06T06:00:00.000Z	60 \| moderate	14.17 \| fine	18.808 \| good	3.587 \| good	0.39 \| good	30.409 \| good	0.394 \| good
2025-12-06T07:00:00.000Z	38 \| good	7.387 \| good	14.384 \| good	2.552 \| good	0.428 \| good	30.511 \| good	0.385 \| good
2025-12-06T08:00:00.000Z	44 \| good	8.148 \| good	10.988 \| good	6.17 \| good	0.568 \| good	27.014 \| good	0.388 \| good
2025-12-06T09:00:00.000Z	25 \| good	3.109 \| good	9.824 \| good	12.531 \| good	0.575 \| good	25.661 \| good	0.387 \| good
2025-12-06T10:00:00.000Z	27 \| good	4.547 \| good	14.829 \| good	9.017 \| good	0.719 \| good	25.981 \| good	0.393 \| good
2025-12-06T11:00:00.000Z	22 \| good	4.197 \| good	11.235 \| good	13.093 \| good	0.637 \| good	18.445 \| good	0.343 \| good
2025-12-06T12:00:00.000Z	58 \| moderate	12.974 \| fine	32.988 \| good	12.08 \| good	0.793 \| good	23.2 \| good	0.31 \| good
2025-12-06T13:00:00.000Z	58 \| moderate	13.172 \| fine	35.359 \| good	9.993 \| good	0.79 \| good	13.01 \| good	0.386 \| good
2025-12-06T14:00:00.000Z	62 \| moderate	14.774 \| fine	61.752 \| fine	7.398 \| good	0.894 \| good	10.055 \| good	0.406 \| good
2025-12-06T15:00:00.000Z	60 \| moderate	14.281 \| fine	58.866 \| fine	11.687 \| good	1.181 \| good	22.477 \| good	0.47 \| good
2025-12-06T16:00:00.000Z	49 \| good	9.462 \| good	23.342 \| good	15.363 \| good	1.391 \| good	18.203 \| good	0.41 \| good
2025-12-06T17:00:00.000Z	34 \| good	4.57 \| good	37.068 \| good	28.799 \| good	0.882 \| good	10.07 \| good	0.205 \| good
2025-12-06T18:00:00.000Z	37 \| good	4.895 \| good	40.269 \| good	28.96 \| good	0.665 \| good	9.726 \| good	0.198 \| good
2025-12-06T19:00:00.000Z	29 \| good	4.597 \| good	15.456 \| good	30.624 \| good	0.581 \| good	9.087 \| good	0.198 \| good
2025-12-06T20:00:00.000Z	38 \| good	4.298 \| good	41.18 \| good	32.56 \| good	0.5 \| good	7.38 \| good	0.17 \| good
2025-12-06T21:00:00.000Z	32 \| good	2.993 \| good	19.046 \| good	34.764 \| good	0.438 \| good	3.412 \| good	0.17 \| good
2025-12-06T22:00:00.000Z	33 \| good	2.016 \| good	35.997 \| good	32.433 \| good	0.491 \| good	2.802 \| good	0.156 \| good
2025-12-06T23:00:00.000Z	26 \| good	2.248 \| good	13.935 \| good	28.443 \| good	0.641 \| good	4.99 \| good	0.177 \| good
2025-12-07T00:00:00.000Z	31 \| good	1.91 \| good	7.65 \| good	33.584 \| good	0.446 \| good	2.835 \| good	0.239 \| good
2025-12-07T01:00:00.000Z	32 \| good	2.393 \| good	6.618 \| good	34.807 \| good	0.333 \| good	3.737 \| good	0.239 \| good
2025-12-07T02:00:00.000Z	32 \| good	1.357 \| good	3.225 \| good	35.294 \| good	0.354 \| good	7.281 \| good	0.205 \| good
2025-12-07T03:00:00.000Z	31 \| good	2.049 \| good	4.127 \| good	33.485 \| good	0.372 \| good	8.009 \| good	0.19 \| good
2025-12-07T04:00:00.000Z	34 \| good	1.986 \| good	6.958 \| good	37.096 \| good	0.297 \| good	7.244 \| good	0.296 \| good
2025-12-07T05:00:00.000Z	30 \| good	2.073 \| good	4.57 \| good	32.16 \| good	0.274 \| good	6.817 \| good	0.243 \| good
2025-12-07T06:00:00.000Z	30 \| good	2.165 \| good	6.39 \| good	32.273 \| good	0.481 \| good	7.163 \| good	0.224 \| good
2025-12-07T07:00:00.000Z	31 \| good	2.783 \| good	9.135 \| good	32.964 \| good	0.348 \| good	7.342 \| good	0.216 \| good
2025-12-07T08:00:00.000Z	31 \| good	2.141 \| good	7.059 \| good	33.323 \| good	0.33 \| good	6.027 \| good	0.19 \| good
2025-12-07T09:00:00.000Z	30 \| good	2.185 \| good	7.5 \| good	31.84 \| good	0.273 \| good	9.441 \| good	0.19 \| good
2025-12-07T10:00:00.000Z	31 \| good	1.923 \| good	9.724 \| good	33.264 \| good	0.355 \| good	14.117 \| good	0.162 \| good
2025-12-07T11:00:00.000Z	19 \| good	2.09 \| good	5.997 \| good	19.704 \| good	0.412 \| good	14.687 \| good	0.203 \| good
2025-12-07T11:00:00.000Z	19 \| good	2.09 \| good	5.997 \| good	19.704 \| good	0.412 \| good	14.687 \| good	0.203 \| good
2025-12-07T12:00:00.000Z	27 \| good	5.359 \| good	23.048 \| good	16.868 \| good	0.435 \| good	19.902 \| good	0.21 \| good
2025-12-07T13:00:00.000Z	33 \| good	5.62 \| good	24.144 \| good	20.145 \| good	0.497 \| good	18.575 \| good	0.22 \| good
2025-12-07T14:00:00.000Z	33 \| good	5.773 \| good	25.024 \| good	22.384 \| good	0.558 \| good	17.249 \| good	0.229 \| good
2025-12-07T15:00:00.000Z	38 \| good	6.622 \| good	29.685 \| good	24.978 \| good	0.62 \| good	15.922 \| good	0.239 \| good
2025-12-07T16:00:00.000Z	38 \| good	7.405 \| good	32.415 \| good	25.836 \| good	0.507 \| good	11.131 \| good	0.201 \| good
2025-12-07T17:00:00.000Z	33 \| good	6.032 \| good	26.795 \| good	29.028 \| good	0.394 \| good	6.34 \| good	0.164 \| good
2025-12-07T18:00:00.000Z	33 \| good	5.651 \| good	24.092 \| good	32.526 \| good	0.28 \| good	1.548 \| good	0.126 \| good
2025-12-07T19:00:00.000Z	31 \| good	5.145 \| good	21.989 \| good	34.172 \| good	0.272 \| good	1.379 \| good	0.124 \| good
2025-12-07T20:00:00.000Z	33 \| good	4.439 \| good	19.143 \| good	36.399 \| good	0.264 \| good	1.209 \| good	0.122 \| good
2025-12-07T21:00:00.000Z	33 \| good	4.03 \| good	17.376 \| good	35.855 \| good	0.256 \| good	1.039 \| good	0.12 \| good
2025-12-07T22:00:00.000Z	30 \| good	3.819 \| good	16.944 \| good	32.164 \| good	0.338 \| good	4.571 \| good	0.147 \| good
2025-12-07T23:00:00.000Z	33 \| good	5.666 \| good	24.715 \| good	23.665 \| good	0.42 \| good	8.102 \| good	0.175 \| good
2025-12-08T00:00:00.000Z	22 \| good	4.389 \| good	19.011 \| good	21.324 \| good	0.501 \| good	11.634 \| good	0.202 \| good
2025-12-08T01:00:00.000Z	27 \| good	4.589 \| good	20.018 \| good	21.128 \| good	0.564 \| good	13.293 \| good	0.213 \| good
2025-12-08T02:00:00.000Z	27 \| good	4.878 \| good	21.16 \| good	22.116 \| good	0.626 \| good	14.952 \| good	0.224 \| good
2025-12-08T03:00:00.000Z	22 \| good	3.704 \| good	16.381 \| good	23.522 \| good	0.689 \| good	16.611 \| good	0.235 \| good
2025-12-08T04:00:00.000Z	22 \| good	4.19 \| good	18.595 \| good	23.224 \| good	0.741 \| good	17.036 \| good	0.234 \| good
2025-12-08T05:00:00.000Z	22 \| good	4.229 \| good	18.77 \| good	23.608 \| good	0.793 \| good	17.461 \| good	0.234 \| good
2025-12-08T06:00:00.000Z	27 \| good	5.2 \| good	22.381 \| good	20.296 \| good	0.845 \| good	17.886 \| good	0.233 \| good
2025-12-08T07:00:00.000Z	27 \| good	4.604 \| good	19.929 \| good	18.304 \| good	0.803 \| good	17.781 \| good	0.232 \| good
2025-12-08T08:00:00.000Z	27 \| good	4.882 \| good	20.987 \| good	19.922 \| good	0.761 \| good	17.675 \| good	0.232 \| good
2025-12-08T09:00:00.000Z	27 \| good	4.619 \| good	19.967 \| good	20.367 \| good	0.72 \| good	17.569 \| good	0.231 \| good
2025-12-08T10:00:00.000Z	22 \| good	4.378 \| good	19.427 \| good	20.481 \| good	0.688 \| good	16.643 \| good	0.222 \| good
2025-12-08T11:00:00.000Z	33 \| good	5.657 \| good	24.415 \| good	20.407 \| good	0.657 \| good	15.717 \| good	0.213 \| good
2025-12-08T12:00:00.000Z	38 \| good	6.55 \| good	29.024 \| good	18.087 \| good	0.626 \| good	14.791 \| good	0.204 \| good
2025-12-08T13:00:00.000Z	38 \| good	6.982 \| good	31 \| good	16.219 \| good	0.668 \| good	14.669 \| good	0.215 \| good
2025-12-08T14:00:00.000Z	38 \| good	6.92 \| good	30.498 \| good	16.975 \| good	0.71 \| good	14.547 \| good	0.226 \| good
2025-12-08T15:00:00.000Z	38 \| good	7.394 \| good	32.538 \| good	20.267 \| good	0.753 \| good	14.425 \| good	0.237 \| good
2025-12-08T16:00:00.000Z	49 \| good	8.783 \| good	38.744 \| good	23.104 \| good	0.732 \| good	12.83 \| good	0.23 \| good
2025-12-08T17:00:00.000Z	38 \| good	7.304 \| good	32.201 \| good	26.747 \| good	0.712 \| good	11.235 \| good	0.223 \| good
2025-12-08T18:00:00.000Z	38 \| good	6.749 \| good	30.06 \| good	30.563 \| good	0.692 \| good	9.64 \| good	0.215 \| good
2025-12-08T19:00:00.000Z	33 \| good	6.019 \| good	26.683 \| good	32.258 \| good	0.72 \| good	8.786 \| good	0.197 \| good
2025-12-08T20:00:00.000Z	33 \| good	6.35 \| good	28.072 \| good	32.552 \| good	0.747 \| good	7.933 \| good	0.178 \| good
2025-12-08T21:00:00.000Z	38 \| good	6.669 \| good	29.442 \| good	32.204 \| good	0.774 \| good	7.079 \| good	0.159 \| good
2025-12-08T22:00:00.000Z	33 \| good	6.397 \| good	28.477 \| good	30.059 \| good	0.862 \| good	11.856 \| good	0.194 \| good
2025-12-08T23:00:00.000Z	38 \| good	6.625 \| good	29.622 \| good	25.945 \| good	0.951 \| good	16.633 \| good	0.229 \| good
2025-12-09T00:00:00.000Z	33 \| good	5.874 \| good	25.295 \| good	24.374 \| good	1.039 \| good	21.41 \| good	0.265 \| good
2025-12-09T01:00:00.000Z	38 \| good	6.517 \| good	29.167 \| good	22.353 \| good	1.074 \| good	22.534 \| good	0.272 \| good
2025-12-09T02:00:00.000Z	33 \| good	6.208 \| good	27.242 \| good	25.691 \| good	1.11 \| good	23.658 \| good	0.279 \| good
2025-12-09T03:00:00.000Z	26 \| good	4.409 \| good	19.362 \| good	28.179 \| good	1.145 \| good	24.781 \| good	0.287 \| good
2025-12-09T04:00:00.000Z	27 \| good	4.507 \| good	19.948 \| good	29.097 \| good	1.008 \| good	23.557 \| good	0.269 \| good
2025-12-09T05:00:00.000Z	28 \| good	3.546 \| good	15.498 \| good	30.215 \| good	0.871 \| good	22.334 \| good	0.252 \| good
2025-12-09T06:00:00.000Z	54 \| moderate	10.518 \| good	10.712 \| good	20.32 \| good	0.752 \| good	21.59 \| good	0.238 \| good
2025-12-09T07:00:00.000Z	27 \| good	3.215 \| good	14.115 \| good	29.276 \| good	0.654 \| good	18.817 \| good	0.218 \| good
2025-12-09T08:00:00.000Z	25 \| good	2.815 \| good	11.605 \| good	26.915 \| good	0.574 \| good	16.524 \| good	0.201 \| good
2025-12-09T09:00:00.000Z	26 \| good	2.641 \| good	10.405 \| good	27.836 \| good	0.494 \| good	14.231 \| good	0.185 \| good
2025-12-09T10:00:00.000Z	26 \| good	2.427 \| good	10.177 \| good	28.028 \| good	0.485 \| good	13.068 \| good	0.176 \| good
2025-12-09T11:00:00.000Z	25 \| good	3.376 \| good	14.934 \| good	27.327 \| good	0.476 \| good	11.904 \| good	0.167 \| good

Johnstown

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Johnstown, Colorado air quality map: Track AQI near you

0.15ppm

How accurate is Colorado, USA air quality data?

Air quality data and pollutant measurements for Colorado, 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

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Frequently asked questions

How often is the air quality data for Johnstown, Colorado updated?

The air quality for Johnstown, Colorado is updated every hour.

When was the worst air quality at Johnstown, Colorado in the last 24 hrs?

The worst air quality in Johnstown, Colorado in the last 24 hours was observed at 02:00:00 on 2025-12-06.

When was the best air quality at Johnstown, Colorado in the last 24 hrs?

In the last 24 hrs, the best air quality in Johnstown, Colorado was observed at 11:00:00 on 2025-12-06.

What is the current air quality in Johnstown, Colorado?

The current air quality in Johnstown, Colorado is 19, categorized as Good based on real-time data.

What pollutant is the most common in Johnstown, Colorado?

The most common pollutant in Johnstown, Colorado is O3.

What should I do if the air quality in Johnstown, Colorado is poor?

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

What is the current concentration of PM_2.5 in Johnstown, Colorado?

The current PM_2.5 concentration at Johnstown, Colorado is 2.09 μg/m³.

What is the current concentration of PM₁₀ in Johnstown, Colorado?

The current PM₁₀ concentration at Johnstown, Colorado is 5.997 μg/m³.

What is the current concentration of carbon monoxide (CO) in Johnstown, Colorado?

The current carbon monoxide (CO) concentration at Johnstown, Colorado is 0.203 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Johnstown, Colorado?

The current sulfur dioxide (SO₂) concentration at Johnstown, Colorado is 0.412 ppb.

What is the current concentration of ozone (O₃) in Johnstown, Colorado?

The current ozone (O₃) concentration at Johnstown, Colorado is 19.704 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Johnstown, Colorado?

The current nitrogen dioxide (NO₂) concentration at Johnstown, Colorado is 14.687 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T12:00:00.000Z	60 \| moderate	14.41 \| fine	29.029 \| good	8.331 \| good	0.775 \| good	26.56 \| good	0.386 \| good
2025-12-05T13:00:00.000Z	58 \| moderate	13.145 \| fine	19.081 \| good	4.779 \| good	0.818 \| good	29.438 \| good	0.45 \| good
2025-12-05T14:00:00.000Z	64 \| moderate	15.639 \| fine	28.168 \| good	14.332 \| good	1.361 \| good	36.882 \| good	0.514 \| good
2025-12-05T15:00:00.000Z	58 \| moderate	13.29 \| fine	36.625 \| good	7.339 \| good	1.666 \| good	34.353 \| good	0.55 \| good
2025-12-05T16:00:00.000Z	54 \| moderate	11.237 \| good	26.042 \| good	8.019 \| good	1.407 \| good	33.575 \| good	0.492 \| good
2025-12-05T17:00:00.000Z	49 \| good	8.575 \| good	31.716 \| good	11.421 \| good	1.459 \| good	36.058 \| good	0.455 \| good
2025-12-05T18:00:00.000Z	52 \| moderate	10.344 \| good	39.114 \| good	12.559 \| good	1.318 \| good	34.535 \| good	0.482 \| good
2025-12-05T19:00:00.000Z	64 \| moderate	16.483 \| fine	36.46 \| good	16.26 \| good	1.169 \| good	33.033 \| good	0.448 \| good
2025-12-05T20:00:00.000Z	62 \| moderate	14.897 \| fine	22.418 \| good	14.434 \| good	1.424 \| good	29.813 \| good	0.415 \| good
2025-12-05T21:00:00.000Z	64 \| moderate	15.895 \| fine	54.795 \| good	18.186 \| good	1.356 \| good	31.805 \| good	0.408 \| good
2025-12-05T22:00:00.000Z	64 \| moderate	16.137 \| fine	75.096 \| fine	21.572 \| good	1.196 \| good	43.314 \| good	0.422 \| good
2025-12-05T23:00:00.000Z	62 \| moderate	15.242 \| fine	47.264 \| good	17.199 \| good	1.125 \| good	41.307 \| good	0.395 \| good
2025-12-06T00:00:00.000Z	64 \| moderate	15.839 \| fine	32.754 \| good	15.519 \| good	0.792 \| good	40.224 \| good	0.466 \| good
2025-12-06T01:00:00.000Z	62 \| moderate	14.762 \| fine	28.03 \| good	13.648 \| good	1.402 \| good	43.189 \| good	0.526 \| good
2025-12-06T02:00:00.000Z	64 \| moderate	16.433 \| fine	55.581 \| fine	8.225 \| good	1.391 \| good	44.781 \| good	0.629 \| good
2025-12-06T03:00:00.000Z	56 \| moderate	12.349 \| fine	21.082 \| good	5.453 \| good	1.278 \| good	36.933 \| good	0.571 \| good
2025-12-06T04:00:00.000Z	60 \| moderate	14.056 \| fine	44.679 \| good	14.887 \| good	0.907 \| good	33.05 \| good	0.511 \| good
2025-12-06T05:00:00.000Z	69 \| moderate	19.136 \| fine	24.644 \| good	14.689 \| good	0.671 \| good	22.742 \| good	0.468 \| good
2025-12-06T06:00:00.000Z	60 \| moderate	14.17 \| fine	18.808 \| good	3.587 \| good	0.39 \| good	30.409 \| good	0.394 \| good
2025-12-06T07:00:00.000Z	38 \| good	7.387 \| good	14.384 \| good	2.552 \| good	0.428 \| good	30.511 \| good	0.385 \| good
2025-12-06T08:00:00.000Z	44 \| good	8.148 \| good	10.988 \| good	6.17 \| good	0.568 \| good	27.014 \| good	0.388 \| good
2025-12-06T09:00:00.000Z	25 \| good	3.109 \| good	9.824 \| good	12.531 \| good	0.575 \| good	25.661 \| good	0.387 \| good
2025-12-06T10:00:00.000Z	27 \| good	4.547 \| good	14.829 \| good	9.017 \| good	0.719 \| good	25.981 \| good	0.393 \| good
2025-12-06T11:00:00.000Z	22 \| good	4.197 \| good	11.235 \| good	13.093 \| good	0.637 \| good	18.445 \| good	0.343 \| good
2025-12-06T12:00:00.000Z	58 \| moderate	12.974 \| fine	32.988 \| good	12.08 \| good	0.793 \| good	23.2 \| good	0.31 \| good
2025-12-06T13:00:00.000Z	58 \| moderate	13.172 \| fine	35.359 \| good	9.993 \| good	0.79 \| good	13.01 \| good	0.386 \| good
2025-12-06T14:00:00.000Z	62 \| moderate	14.774 \| fine	61.752 \| fine	7.398 \| good	0.894 \| good	10.055 \| good	0.406 \| good
2025-12-06T15:00:00.000Z	60 \| moderate	14.281 \| fine	58.866 \| fine	11.687 \| good	1.181 \| good	22.477 \| good	0.47 \| good
2025-12-06T16:00:00.000Z	49 \| good	9.462 \| good	23.342 \| good	15.363 \| good	1.391 \| good	18.203 \| good	0.41 \| good
2025-12-06T17:00:00.000Z	34 \| good	4.57 \| good	37.068 \| good	28.799 \| good	0.882 \| good	10.07 \| good	0.205 \| good
2025-12-06T18:00:00.000Z	37 \| good	4.895 \| good	40.269 \| good	28.96 \| good	0.665 \| good	9.726 \| good	0.198 \| good
2025-12-06T19:00:00.000Z	29 \| good	4.597 \| good	15.456 \| good	30.624 \| good	0.581 \| good	9.087 \| good	0.198 \| good
2025-12-06T20:00:00.000Z	38 \| good	4.298 \| good	41.18 \| good	32.56 \| good	0.5 \| good	7.38 \| good	0.17 \| good
2025-12-06T21:00:00.000Z	32 \| good	2.993 \| good	19.046 \| good	34.764 \| good	0.438 \| good	3.412 \| good	0.17 \| good
2025-12-06T22:00:00.000Z	33 \| good	2.016 \| good	35.997 \| good	32.433 \| good	0.491 \| good	2.802 \| good	0.156 \| good
2025-12-06T23:00:00.000Z	26 \| good	2.248 \| good	13.935 \| good	28.443 \| good	0.641 \| good	4.99 \| good	0.177 \| good
2025-12-07T00:00:00.000Z	31 \| good	1.91 \| good	7.65 \| good	33.584 \| good	0.446 \| good	2.835 \| good	0.239 \| good
2025-12-07T01:00:00.000Z	32 \| good	2.393 \| good	6.618 \| good	34.807 \| good	0.333 \| good	3.737 \| good	0.239 \| good
2025-12-07T02:00:00.000Z	32 \| good	1.357 \| good	3.225 \| good	35.294 \| good	0.354 \| good	7.281 \| good	0.205 \| good
2025-12-07T03:00:00.000Z	31 \| good	2.049 \| good	4.127 \| good	33.485 \| good	0.372 \| good	8.009 \| good	0.19 \| good
2025-12-07T04:00:00.000Z	34 \| good	1.986 \| good	6.958 \| good	37.096 \| good	0.297 \| good	7.244 \| good	0.296 \| good
2025-12-07T05:00:00.000Z	30 \| good	2.073 \| good	4.57 \| good	32.16 \| good	0.274 \| good	6.817 \| good	0.243 \| good
2025-12-07T06:00:00.000Z	30 \| good	2.165 \| good	6.39 \| good	32.273 \| good	0.481 \| good	7.163 \| good	0.224 \| good
2025-12-07T07:00:00.000Z	31 \| good	2.783 \| good	9.135 \| good	32.964 \| good	0.348 \| good	7.342 \| good	0.216 \| good
2025-12-07T08:00:00.000Z	31 \| good	2.141 \| good	7.059 \| good	33.323 \| good	0.33 \| good	6.027 \| good	0.19 \| good
2025-12-07T09:00:00.000Z	30 \| good	2.185 \| good	7.5 \| good	31.84 \| good	0.273 \| good	9.441 \| good	0.19 \| good
2025-12-07T10:00:00.000Z	31 \| good	1.923 \| good	9.724 \| good	33.264 \| good	0.355 \| good	14.117 \| good	0.162 \| good
2025-12-07T11:00:00.000Z	19 \| good	2.09 \| good	5.997 \| good	19.704 \| good	0.412 \| good	14.687 \| good	0.203 \| good
2025-12-07T11:00:00.000Z	19 \| good	2.09 \| good	5.997 \| good	19.704 \| good	0.412 \| good	14.687 \| good	0.203 \| good
2025-12-07T12:00:00.000Z	27 \| good	5.359 \| good	23.048 \| good	16.868 \| good	0.435 \| good	19.902 \| good	0.21 \| good
2025-12-07T13:00:00.000Z	33 \| good	5.62 \| good	24.144 \| good	20.145 \| good	0.497 \| good	18.575 \| good	0.22 \| good
2025-12-07T14:00:00.000Z	33 \| good	5.773 \| good	25.024 \| good	22.384 \| good	0.558 \| good	17.249 \| good	0.229 \| good
2025-12-07T15:00:00.000Z	38 \| good	6.622 \| good	29.685 \| good	24.978 \| good	0.62 \| good	15.922 \| good	0.239 \| good
2025-12-07T16:00:00.000Z	38 \| good	7.405 \| good	32.415 \| good	25.836 \| good	0.507 \| good	11.131 \| good	0.201 \| good
2025-12-07T17:00:00.000Z	33 \| good	6.032 \| good	26.795 \| good	29.028 \| good	0.394 \| good	6.34 \| good	0.164 \| good
2025-12-07T18:00:00.000Z	33 \| good	5.651 \| good	24.092 \| good	32.526 \| good	0.28 \| good	1.548 \| good	0.126 \| good
2025-12-07T19:00:00.000Z	31 \| good	5.145 \| good	21.989 \| good	34.172 \| good	0.272 \| good	1.379 \| good	0.124 \| good
2025-12-07T20:00:00.000Z	33 \| good	4.439 \| good	19.143 \| good	36.399 \| good	0.264 \| good	1.209 \| good	0.122 \| good
2025-12-07T21:00:00.000Z	33 \| good	4.03 \| good	17.376 \| good	35.855 \| good	0.256 \| good	1.039 \| good	0.12 \| good
2025-12-07T22:00:00.000Z	30 \| good	3.819 \| good	16.944 \| good	32.164 \| good	0.338 \| good	4.571 \| good	0.147 \| good
2025-12-07T23:00:00.000Z	33 \| good	5.666 \| good	24.715 \| good	23.665 \| good	0.42 \| good	8.102 \| good	0.175 \| good
2025-12-08T00:00:00.000Z	22 \| good	4.389 \| good	19.011 \| good	21.324 \| good	0.501 \| good	11.634 \| good	0.202 \| good
2025-12-08T01:00:00.000Z	27 \| good	4.589 \| good	20.018 \| good	21.128 \| good	0.564 \| good	13.293 \| good	0.213 \| good
2025-12-08T02:00:00.000Z	27 \| good	4.878 \| good	21.16 \| good	22.116 \| good	0.626 \| good	14.952 \| good	0.224 \| good
2025-12-08T03:00:00.000Z	22 \| good	3.704 \| good	16.381 \| good	23.522 \| good	0.689 \| good	16.611 \| good	0.235 \| good
2025-12-08T04:00:00.000Z	22 \| good	4.19 \| good	18.595 \| good	23.224 \| good	0.741 \| good	17.036 \| good	0.234 \| good
2025-12-08T05:00:00.000Z	22 \| good	4.229 \| good	18.77 \| good	23.608 \| good	0.793 \| good	17.461 \| good	0.234 \| good
2025-12-08T06:00:00.000Z	27 \| good	5.2 \| good	22.381 \| good	20.296 \| good	0.845 \| good	17.886 \| good	0.233 \| good
2025-12-08T07:00:00.000Z	27 \| good	4.604 \| good	19.929 \| good	18.304 \| good	0.803 \| good	17.781 \| good	0.232 \| good
2025-12-08T08:00:00.000Z	27 \| good	4.882 \| good	20.987 \| good	19.922 \| good	0.761 \| good	17.675 \| good	0.232 \| good
2025-12-08T09:00:00.000Z	27 \| good	4.619 \| good	19.967 \| good	20.367 \| good	0.72 \| good	17.569 \| good	0.231 \| good
2025-12-08T10:00:00.000Z	22 \| good	4.378 \| good	19.427 \| good	20.481 \| good	0.688 \| good	16.643 \| good	0.222 \| good
2025-12-08T11:00:00.000Z	33 \| good	5.657 \| good	24.415 \| good	20.407 \| good	0.657 \| good	15.717 \| good	0.213 \| good
2025-12-08T12:00:00.000Z	38 \| good	6.55 \| good	29.024 \| good	18.087 \| good	0.626 \| good	14.791 \| good	0.204 \| good
2025-12-08T13:00:00.000Z	38 \| good	6.982 \| good	31 \| good	16.219 \| good	0.668 \| good	14.669 \| good	0.215 \| good
2025-12-08T14:00:00.000Z	38 \| good	6.92 \| good	30.498 \| good	16.975 \| good	0.71 \| good	14.547 \| good	0.226 \| good
2025-12-08T15:00:00.000Z	38 \| good	7.394 \| good	32.538 \| good	20.267 \| good	0.753 \| good	14.425 \| good	0.237 \| good
2025-12-08T16:00:00.000Z	49 \| good	8.783 \| good	38.744 \| good	23.104 \| good	0.732 \| good	12.83 \| good	0.23 \| good
2025-12-08T17:00:00.000Z	38 \| good	7.304 \| good	32.201 \| good	26.747 \| good	0.712 \| good	11.235 \| good	0.223 \| good
2025-12-08T18:00:00.000Z	38 \| good	6.749 \| good	30.06 \| good	30.563 \| good	0.692 \| good	9.64 \| good	0.215 \| good
2025-12-08T19:00:00.000Z	33 \| good	6.019 \| good	26.683 \| good	32.258 \| good	0.72 \| good	8.786 \| good	0.197 \| good
2025-12-08T20:00:00.000Z	33 \| good	6.35 \| good	28.072 \| good	32.552 \| good	0.747 \| good	7.933 \| good	0.178 \| good
2025-12-08T21:00:00.000Z	38 \| good	6.669 \| good	29.442 \| good	32.204 \| good	0.774 \| good	7.079 \| good	0.159 \| good
2025-12-08T22:00:00.000Z	33 \| good	6.397 \| good	28.477 \| good	30.059 \| good	0.862 \| good	11.856 \| good	0.194 \| good
2025-12-08T23:00:00.000Z	38 \| good	6.625 \| good	29.622 \| good	25.945 \| good	0.951 \| good	16.633 \| good	0.229 \| good
2025-12-09T00:00:00.000Z	33 \| good	5.874 \| good	25.295 \| good	24.374 \| good	1.039 \| good	21.41 \| good	0.265 \| good
2025-12-09T01:00:00.000Z	38 \| good	6.517 \| good	29.167 \| good	22.353 \| good	1.074 \| good	22.534 \| good	0.272 \| good
2025-12-09T02:00:00.000Z	33 \| good	6.208 \| good	27.242 \| good	25.691 \| good	1.11 \| good	23.658 \| good	0.279 \| good
2025-12-09T03:00:00.000Z	26 \| good	4.409 \| good	19.362 \| good	28.179 \| good	1.145 \| good	24.781 \| good	0.287 \| good
2025-12-09T04:00:00.000Z	27 \| good	4.507 \| good	19.948 \| good	29.097 \| good	1.008 \| good	23.557 \| good	0.269 \| good
2025-12-09T05:00:00.000Z	28 \| good	3.546 \| good	15.498 \| good	30.215 \| good	0.871 \| good	22.334 \| good	0.252 \| good
2025-12-09T06:00:00.000Z	54 \| moderate	10.518 \| good	10.712 \| good	20.32 \| good	0.752 \| good	21.59 \| good	0.238 \| good
2025-12-09T07:00:00.000Z	27 \| good	3.215 \| good	14.115 \| good	29.276 \| good	0.654 \| good	18.817 \| good	0.218 \| good
2025-12-09T08:00:00.000Z	25 \| good	2.815 \| good	11.605 \| good	26.915 \| good	0.574 \| good	16.524 \| good	0.201 \| good
2025-12-09T09:00:00.000Z	26 \| good	2.641 \| good	10.405 \| good	27.836 \| good	0.494 \| good	14.231 \| good	0.185 \| good
2025-12-09T10:00:00.000Z	26 \| good	2.427 \| good	10.177 \| good	28.028 \| good	0.485 \| good	13.068 \| good	0.176 \| good
2025-12-09T11:00:00.000Z	25 \| good	3.376 \| good	14.934 \| good	27.327 \| good	0.476 \| good	11.904 \| good	0.167 \| good

Johnstown, Colorado live air quality index now

Major air pollutants in Johnstown, Colorado

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Air quality in nearby cities

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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 Johnstown, Colorado?

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