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

The current PM10 concentration at Johnstown, Colorado is 54.615 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Johnstown, Colorado is 0.891 ppb.

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

The current ozone (O3) concentration at Johnstown, Colorado is 59.445 ppm.

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

The current nitrogen dioxide (NO2) concentration at Johnstown, Colorado is 7.141 ppb.

Johnstown, Colorado live air quality index now

Name: Live air pollution levels in Johnstown, Colorado today
Creator: Ambee

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)

4.14 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

13.82 μg/m³

155

255

425

605+

Ozone (O₃)

49.78 ppb

201

201+

Sulfur Dioxide (SO₂)

0.91 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

10.14 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.13 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
2025-07-18T17:00:00.000Z	52 \| moderate	10.434 \| good	26.944 \| good	52.878 \| good	1.084 \| good	9.363 \| good	0.214 \| good
2025-07-18T18:00:00.000Z	64 \| moderate	15.549 \| fine	47.62 \| good	53.705 \| good	0.596 \| good	5.282 \| good	0.21 \| good
2025-07-18T19:00:00.000Z	61 \| moderate	11.213 \| good	35.373 \| good	58.495 \| fine	0.815 \| good	3.324 \| good	0.19 \| good
2025-07-18T20:00:00.000Z	67 \| moderate	14.302 \| fine	39.916 \| good	59.704 \| fine	0.651 \| good	1.92 \| good	0.17 \| good
2025-07-18T21:00:00.000Z	80 \| moderate	13.094 \| fine	33.493 \| good	63.696 \| fine	0.652 \| good	2.907 \| good	0.203 \| good
2025-07-18T22:00:00.000Z	71 \| moderate	9.408 \| good	31.579 \| good	61.459 \| fine	0.65 \| good	5.093 \| good	0.197 \| good
2025-07-18T23:00:00.000Z	58 \| moderate	12.702 \| fine	39.8 \| good	55.687 \| fine	0.561 \| good	3.225 \| good	0.218 \| good
2025-07-19T00:00:00.000Z	52 \| moderate	10.179 \| good	29.016 \| good	50.661 \| good	0.53 \| good	3.97 \| good	0.218 \| good
2025-07-19T01:00:00.000Z	47 \| good	7.654 \| good	27.804 \| good	50.682 \| good	0.601 \| good	7.002 \| good	0.26 \| good
2025-07-19T02:00:00.000Z	52 \| moderate	10.072 \| good	30.271 \| good	48.257 \| good	0.599 \| good	9.153 \| good	0.213 \| good
2025-07-19T03:00:00.000Z	54 \| moderate	10.749 \| good	25.561 \| good	51.065 \| good	0.628 \| good	10.937 \| good	0.275 \| good
2025-07-19T04:00:00.000Z	56 \| moderate	11.958 \| good	50.181 \| good	40.296 \| good	0.506 \| good	12.638 \| good	0.261 \| good
2025-07-19T05:00:00.000Z	56 \| moderate	11.589 \| good	34.555 \| good	40.859 \| good	0.499 \| good	14.446 \| good	0.247 \| good
2025-07-19T06:00:00.000Z	49 \| good	8.746 \| good	23.179 \| good	37.121 \| good	0.502 \| good	16.668 \| good	0.261 \| good
2025-07-19T07:00:00.000Z	54 \| moderate	11.26 \| good	27.509 \| good	30.192 \| good	0.501 \| good	12.611 \| good	0.268 \| good
2025-07-19T08:00:00.000Z	56 \| moderate	11.63 \| good	32.939 \| good	30.902 \| good	0.628 \| good	13.949 \| good	0.233 \| good
2025-07-19T09:00:00.000Z	56 \| moderate	12.373 \| fine	27.773 \| good	25.523 \| good	0.714 \| good	13.667 \| good	0.247 \| good
2025-07-19T10:00:00.000Z	60 \| moderate	13.882 \| fine	62.568 \| fine	30.814 \| good	0.527 \| good	8.003 \| good	0.191 \| good
2025-07-19T11:00:00.000Z	54 \| moderate	10.723 \| good	21.152 \| good	23.743 \| good	0.591 \| good	9.414 \| good	0.177 \| good
2025-07-19T12:00:00.000Z	49 \| good	8.964 \| good	26.818 \| good	23.34 \| good	0.566 \| good	12.702 \| good	0.205 \| good
2025-07-19T13:00:00.000Z	56 \| moderate	12.469 \| fine	35.504 \| good	22.891 \| good	0.619 \| good	15.629 \| good	0.232 \| good
2025-07-19T14:00:00.000Z	58 \| moderate	12.971 \| fine	35.173 \| good	29.98 \| good	0.706 \| good	13.004 \| good	0.232 \| good
2025-07-19T15:00:00.000Z	58 \| moderate	12.885 \| fine	28.126 \| good	32.756 \| good	0.529 \| good	11.9 \| good	0.218 \| good
2025-07-19T16:00:00.000Z	54 \| moderate	10.917 \| good	19.536 \| good	44.398 \| good	0.592 \| good	8.321 \| good	0.218 \| good
2025-07-19T17:00:00.000Z	56 \| moderate	11.945 \| good	29.845 \| good	53.234 \| good	0.705 \| good	4.734 \| good	0.191 \| good
2025-07-19T18:00:00.000Z	54 \| moderate	10.037 \| good	21.043 \| good	56.447 \| fine	0.705 \| good	3.133 \| good	0.191 \| good
2025-07-19T19:00:00.000Z	71 \| moderate	12.75 \| fine	35.622 \| good	60.721 \| fine	0.767 \| good	2.737 \| good	0.206 \| good
2025-07-19T20:00:00.000Z	67 \| moderate	8.882 \| good	31.857 \| good	60.199 \| fine	0.801 \| good	2.649 \| good	0.191 \| good
2025-07-19T21:00:00.000Z	58 \| moderate	7.428 \| good	20.096 \| good	56.792 \| fine	0.713 \| good	2.231 \| good	0.191 \| good
2025-07-19T22:00:00.000Z	61 \| moderate	9.655 \| good	23.687 \| good	58.061 \| fine	0.699 \| good	2.559 \| good	0.143 \| good
2025-07-19T23:00:00.000Z	64 \| moderate	7.715 \| good	22.09 \| good	59.033 \| fine	0.726 \| good	2.18 \| good	0.141 \| good
2025-07-20T00:00:00.000Z	67 \| moderate	5.949 \| good	22.55 \| good	60.464 \| fine	0.545 \| good	1.932 \| good	0.114 \| good
2025-07-20T01:00:00.000Z	50 \| good	8.03 \| good	23.771 \| good	53.973 \| good	0.628 \| good	2.485 \| good	0.184 \| good
2025-07-20T02:00:00.000Z	44 \| good	6.098 \| good	22.092 \| good	47.471 \| good	0.591 \| good	5.36 \| good	0.198 \| good
2025-07-20T03:00:00.000Z	43 \| good	4.872 \| good	13.064 \| good	46.362 \| good	0.596 \| good	4.047 \| good	0.282 \| good
2025-07-20T04:00:00.000Z	37 \| good	5.594 \| good	20.434 \| good	39.966 \| good	0.603 \| good	3.378 \| good	0.255 \| good
2025-07-20T05:00:00.000Z	33 \| good	6.091 \| good	22.173 \| good	35.565 \| good	0.707 \| good	5.105 \| good	0.31 \| good
2025-07-20T06:00:00.000Z	33 \| good	6.43 \| good	21.386 \| good	27.692 \| good	0.565 \| good	6.321 \| good	0.317 \| good
2025-07-20T07:00:00.000Z	33 \| good	5.827 \| good	17.892 \| good	25.981 \| good	0.599 \| good	8.39 \| good	0.248 \| good
2025-07-20T08:00:00.000Z	33 \| good	6.154 \| good	25.498 \| good	22.672 \| good	0.685 \| good	11.998 \| good	0.276 \| good
2025-07-20T09:00:00.000Z	38 \| good	6.679 \| good	28.667 \| good	22.241 \| good	0.678 \| good	16.462 \| good	0.319 \| good
2025-07-20T10:00:00.000Z	38 \| good	6.93 \| good	28.396 \| good	24.166 \| good	0.711 \| good	17.3 \| good	0.248 \| good
2025-07-20T11:00:00.000Z	24 \| good	3.205 \| good	10.571 \| good	26.191 \| good	0.62 \| good	14.55 \| good	0.233 \| good
2025-07-20T12:00:00.000Z	38 \| good	6.579 \| good	15.054 \| good	26.029 \| good	0.652 \| good	13.423 \| good	0.191 \| good
2025-07-20T13:00:00.000Z	33 \| good	6.018 \| good	11.543 \| good	22.386 \| good	0.81 \| good	14.454 \| good	0.143 \| good
2025-07-20T14:00:00.000Z	33 \| good	6.069 \| good	14.308 \| good	30.502 \| good	0.94 \| good	13.088 \| good	0.144 \| good
2025-07-20T15:00:00.000Z	39 \| good	6.578 \| good	14.66 \| good	42.047 \| good	1.168 \| good	13.512 \| good	0.129 \| good
2025-07-20T16:00:00.000Z	46 \| good	4.142 \| good	13.824 \| good	49.776 \| good	0.913 \| good	10.142 \| good	0.129 \| good
2025-07-20T16:00:00.000Z	46 \| good	4.142 \| good	13.824 \| good	49.776 \| good	0.913 \| good	10.142 \| good	0.129 \| good
2025-07-18T01:00:00.000Z	77 \| moderate	20.056 \| fine	88.674 \| fine	62.941 \| fine	0.843 \| good	4.07 \| good	0.193 \| good
2025-07-18T02:00:00.000Z	71 \| moderate	20.363 \| fine	88.916 \| fine	55.65 \| fine	0.943 \| good	5.427 \| good	0.207 \| good
2025-07-18T03:00:00.000Z	79 \| moderate	24.192 \| fine	105.868 \| fine	50.026 \| good	1.042 \| good	6.784 \| good	0.221 \| good
2025-07-18T04:00:00.000Z	84 \| moderate	26.606 \| fine	115.818 \| fine	45.376 \| good	0.995 \| good	7.89 \| good	0.231 \| good
2025-07-18T05:00:00.000Z	86 \| moderate	27.558 \| fine	119.801 \| fine	42.792 \| good	0.948 \| good	8.995 \| good	0.242 \| good
2025-07-18T06:00:00.000Z	82 \| moderate	25.681 \| fine	112.07 \| fine	38.25 \| good	0.901 \| good	10.1 \| good	0.252 \| good
2025-07-18T07:00:00.000Z	81 \| moderate	24.798 \| fine	108.688 \| fine	33.063 \| good	0.831 \| good	10.008 \| good	0.247 \| good
2025-07-18T08:00:00.000Z	81 \| moderate	25.382 \| fine	111.011 \| fine	30.427 \| good	0.762 \| good	9.916 \| good	0.242 \| good
2025-07-18T09:00:00.000Z	79 \| moderate	23.927 \| fine	104.547 \| fine	27.755 \| good	0.693 \| good	9.824 \| good	0.237 \| good
2025-07-18T10:00:00.000Z	73 \| moderate	20.646 \| fine	90.596 \| fine	29.195 \| good	0.614 \| good	9.142 \| good	0.228 \| good
2025-07-18T11:00:00.000Z	81 \| moderate	24.906 \| fine	108.851 \| fine	28.689 \| good	0.535 \| good	8.459 \| good	0.219 \| good
2025-07-18T12:00:00.000Z	73 \| moderate	21.465 \| fine	93.884 \| fine	25.08 \| good	0.456 \| good	7.776 \| good	0.211 \| good
2025-07-18T13:00:00.000Z	79 \| moderate	24.058 \| fine	104.946 \| fine	26.547 \| good	0.425 \| good	6.702 \| good	0.214 \| good
2025-07-18T14:00:00.000Z	75 \| moderate	21.881 \| fine	96.436 \| fine	37.24 \| good	0.395 \| good	5.627 \| good	0.218 \| good
2025-07-18T15:00:00.000Z	64 \| moderate	15.908 \| fine	70.923 \| fine	46.467 \| good	0.365 \| good	4.552 \| good	0.221 \| good
2025-07-18T16:00:00.000Z	61 \| moderate	9.08 \| good	40.733 \| good	57.991 \| fine	0.36 \| good	3.394 \| good	0.203 \| good
2025-07-18T17:00:00.000Z	77 \| moderate	9.686 \| good	42.835 \| good	62.993 \| fine	0.356 \| good	2.236 \| good	0.186 \| good
2025-07-18T18:00:00.000Z	87 \| moderate	10.858 \| good	48.045 \| good	66.22 \| fine	0.351 \| good	1.079 \| good	0.168 \| good
2025-07-18T19:00:00.000Z	87 \| moderate	11.595 \| good	51.08 \| good	66.312 \| fine	0.296 \| good	0.981 \| good	0.156 \| good
2025-07-18T20:00:00.000Z	87 \| moderate	8.767 \| good	38.65 \| good	66.137 \| fine	0.241 \| good	0.883 \| good	0.143 \| good
2025-07-18T21:00:00.000Z	84 \| moderate	10.386 \| good	46.28 \| good	65.241 \| fine	0.186 \| good	0.785 \| good	0.131 \| good
2025-07-18T22:00:00.000Z	84 \| moderate	12.977 \| fine	58.456 \| fine	64.73 \| fine	0.209 \| good	1.206 \| good	0.136 \| good
2025-07-18T23:00:00.000Z	56 \| moderate	12.088 \| good	54.214 \| good	55.87 \| fine	0.232 \| good	1.626 \| good	0.141 \| good
2025-07-19T00:00:00.000Z	62 \| moderate	14.941 \| fine	67.016 \| fine	56.034 \| fine	0.254 \| good	2.047 \| good	0.146 \| good
2025-07-19T01:00:00.000Z	62 \| moderate	14.616 \| fine	65.369 \| fine	54.854 \| good	0.28 \| good	3.187 \| good	0.157 \| good
2025-07-19T02:00:00.000Z	60 \| moderate	13.721 \| fine	61.582 \| fine	50.124 \| good	0.306 \| good	4.327 \| good	0.169 \| good
2025-07-19T03:00:00.000Z	56 \| moderate	12.377 \| fine	55.379 \| fine	46.084 \| good	0.332 \| good	5.467 \| good	0.18 \| good
2025-07-19T04:00:00.000Z	56 \| moderate	11.77 \| good	52.165 \| good	39.158 \| good	0.313 \| good	5.643 \| good	0.182 \| good
2025-07-19T05:00:00.000Z	56 \| moderate	11.998 \| good	53.938 \| good	36.662 \| good	0.294 \| good	5.819 \| good	0.183 \| good
2025-07-19T06:00:00.000Z	54 \| moderate	11.362 \| good	50.099 \| good	36.713 \| good	0.276 \| good	5.995 \| good	0.185 \| good
2025-07-19T07:00:00.000Z	54 \| moderate	10.528 \| good	46.46 \| good	37.843 \| good	0.27 \| good	6.633 \| good	0.188 \| good
2025-07-19T08:00:00.000Z	52 \| moderate	9.787 \| good	43.17 \| good	38.436 \| good	0.265 \| good	7.27 \| good	0.191 \| good
2025-07-19T09:00:00.000Z	49 \| good	8.878 \| good	39.312 \| good	35.063 \| good	0.259 \| good	7.907 \| good	0.194 \| good
2025-07-19T10:00:00.000Z	49 \| good	9.223 \| good	41.084 \| good	32.345 \| good	0.261 \| good	8.213 \| good	0.195 \| good
2025-07-19T11:00:00.000Z	60 \| moderate	13.852 \| fine	62.69 \| fine	27.97 \| good	0.264 \| good	8.518 \| good	0.196 \| good
2025-07-19T12:00:00.000Z	60 \| moderate	14.095 \| fine	63.199 \| fine	24.853 \| good	0.267 \| good	8.823 \| good	0.198 \| good
2025-07-19T13:00:00.000Z	60 \| moderate	14.223 \| fine	63.343 \| fine	30.091 \| good	0.354 \| good	7.018 \| good	0.193 \| good
2025-07-19T14:00:00.000Z	64 \| moderate	15.806 \| fine	70.631 \| fine	37.256 \| good	0.441 \| good	5.213 \| good	0.189 \| good
2025-07-19T15:00:00.000Z	62 \| moderate	15.021 \| fine	66.638 \| fine	46.059 \| good	0.528 \| good	3.408 \| good	0.184 \| good
2025-07-19T16:00:00.000Z	62 \| moderate	14.859 \| fine	66.263 \| fine	53.97 \| good	0.568 \| good	2.679 \| good	0.176 \| good
2025-07-19T17:00:00.000Z	58 \| moderate	10.086 \| good	44.658 \| good	56.815 \| fine	0.607 \| good	1.949 \| good	0.167 \| good
2025-07-19T18:00:00.000Z	54 \| moderate	6.997 \| good	30.968 \| good	55.751 \| fine	0.647 \| good	1.219 \| good	0.158 \| good
2025-07-19T19:00:00.000Z	51 \| moderate	6.96 \| good	31.029 \| good	55.195 \| fine	0.565 \| good	1.23 \| good	0.158 \| good
2025-07-19T20:00:00.000Z	69 \| moderate	19.002 \| fine	83.307 \| fine	54.217 \| good	0.483 \| good	1.242 \| good	0.157 \| good
2025-07-19T21:00:00.000Z	99 \| moderate	34.907 \| fine	151.892 \| fine	54.204 \| good	0.401 \| good	1.253 \| good	0.157 \| good
2025-07-19T22:00:00.000Z	110 \| sensitive	38.78 \| moderate	171.038 \| moderate	57.109 \| fine	0.417 \| good	1.451 \| good	0.158 \| good
2025-07-19T23:00:00.000Z	82 \| moderate	26.019 \| fine	113.379 \| fine	60.141 \| fine	0.433 \| good	1.649 \| good	0.159 \| good
2025-07-20T00:00:00.000Z	122 \| sensitive	12.33 \| fine	14.303 \| good	76.629 \| moderate	0.445 \| good	1.853 \| good	0.161 \| good

Johnstown

Get reliable air quality data to drive your business

Johnstown, Colorado air quality map: Track AQI near you

0.27ppm

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 11:00:00 on 2025-07-17.

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 09:00:00 on 2025-07-17.

What is the current air quality in Johnstown, Colorado?

The current air quality in Johnstown, Colorado is 81, categorized as Moderate based on real-time data.

What pollutant is the most common in Johnstown, Colorado?

The most common pollutant in Johnstown, Colorado is PM2.5.

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 25.429 μg/m³.

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

The current PM₁₀ concentration at Johnstown, Colorado is 54.615 μg/m³.

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

The current carbon monoxide (CO) concentration at Johnstown, Colorado is 0.284 ppm.

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

The current sulfur dioxide (SO₂) concentration at Johnstown, Colorado is 0.891 ppb.

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

The current ozone (O₃) concentration at Johnstown, Colorado is 59.445 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Johnstown, Colorado is 7.141 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-18T17:00:00.000Z	52 \| moderate	10.434 \| good	26.944 \| good	52.878 \| good	1.084 \| good	9.363 \| good	0.214 \| good
2025-07-18T18:00:00.000Z	64 \| moderate	15.549 \| fine	47.62 \| good	53.705 \| good	0.596 \| good	5.282 \| good	0.21 \| good
2025-07-18T19:00:00.000Z	61 \| moderate	11.213 \| good	35.373 \| good	58.495 \| fine	0.815 \| good	3.324 \| good	0.19 \| good
2025-07-18T20:00:00.000Z	67 \| moderate	14.302 \| fine	39.916 \| good	59.704 \| fine	0.651 \| good	1.92 \| good	0.17 \| good
2025-07-18T21:00:00.000Z	80 \| moderate	13.094 \| fine	33.493 \| good	63.696 \| fine	0.652 \| good	2.907 \| good	0.203 \| good
2025-07-18T22:00:00.000Z	71 \| moderate	9.408 \| good	31.579 \| good	61.459 \| fine	0.65 \| good	5.093 \| good	0.197 \| good
2025-07-18T23:00:00.000Z	58 \| moderate	12.702 \| fine	39.8 \| good	55.687 \| fine	0.561 \| good	3.225 \| good	0.218 \| good
2025-07-19T00:00:00.000Z	52 \| moderate	10.179 \| good	29.016 \| good	50.661 \| good	0.53 \| good	3.97 \| good	0.218 \| good
2025-07-19T01:00:00.000Z	47 \| good	7.654 \| good	27.804 \| good	50.682 \| good	0.601 \| good	7.002 \| good	0.26 \| good
2025-07-19T02:00:00.000Z	52 \| moderate	10.072 \| good	30.271 \| good	48.257 \| good	0.599 \| good	9.153 \| good	0.213 \| good
2025-07-19T03:00:00.000Z	54 \| moderate	10.749 \| good	25.561 \| good	51.065 \| good	0.628 \| good	10.937 \| good	0.275 \| good
2025-07-19T04:00:00.000Z	56 \| moderate	11.958 \| good	50.181 \| good	40.296 \| good	0.506 \| good	12.638 \| good	0.261 \| good
2025-07-19T05:00:00.000Z	56 \| moderate	11.589 \| good	34.555 \| good	40.859 \| good	0.499 \| good	14.446 \| good	0.247 \| good
2025-07-19T06:00:00.000Z	49 \| good	8.746 \| good	23.179 \| good	37.121 \| good	0.502 \| good	16.668 \| good	0.261 \| good
2025-07-19T07:00:00.000Z	54 \| moderate	11.26 \| good	27.509 \| good	30.192 \| good	0.501 \| good	12.611 \| good	0.268 \| good
2025-07-19T08:00:00.000Z	56 \| moderate	11.63 \| good	32.939 \| good	30.902 \| good	0.628 \| good	13.949 \| good	0.233 \| good
2025-07-19T09:00:00.000Z	56 \| moderate	12.373 \| fine	27.773 \| good	25.523 \| good	0.714 \| good	13.667 \| good	0.247 \| good
2025-07-19T10:00:00.000Z	60 \| moderate	13.882 \| fine	62.568 \| fine	30.814 \| good	0.527 \| good	8.003 \| good	0.191 \| good
2025-07-19T11:00:00.000Z	54 \| moderate	10.723 \| good	21.152 \| good	23.743 \| good	0.591 \| good	9.414 \| good	0.177 \| good
2025-07-19T12:00:00.000Z	49 \| good	8.964 \| good	26.818 \| good	23.34 \| good	0.566 \| good	12.702 \| good	0.205 \| good
2025-07-19T13:00:00.000Z	56 \| moderate	12.469 \| fine	35.504 \| good	22.891 \| good	0.619 \| good	15.629 \| good	0.232 \| good
2025-07-19T14:00:00.000Z	58 \| moderate	12.971 \| fine	35.173 \| good	29.98 \| good	0.706 \| good	13.004 \| good	0.232 \| good
2025-07-19T15:00:00.000Z	58 \| moderate	12.885 \| fine	28.126 \| good	32.756 \| good	0.529 \| good	11.9 \| good	0.218 \| good
2025-07-19T16:00:00.000Z	54 \| moderate	10.917 \| good	19.536 \| good	44.398 \| good	0.592 \| good	8.321 \| good	0.218 \| good
2025-07-19T17:00:00.000Z	56 \| moderate	11.945 \| good	29.845 \| good	53.234 \| good	0.705 \| good	4.734 \| good	0.191 \| good
2025-07-19T18:00:00.000Z	54 \| moderate	10.037 \| good	21.043 \| good	56.447 \| fine	0.705 \| good	3.133 \| good	0.191 \| good
2025-07-19T19:00:00.000Z	71 \| moderate	12.75 \| fine	35.622 \| good	60.721 \| fine	0.767 \| good	2.737 \| good	0.206 \| good
2025-07-19T20:00:00.000Z	67 \| moderate	8.882 \| good	31.857 \| good	60.199 \| fine	0.801 \| good	2.649 \| good	0.191 \| good
2025-07-19T21:00:00.000Z	58 \| moderate	7.428 \| good	20.096 \| good	56.792 \| fine	0.713 \| good	2.231 \| good	0.191 \| good
2025-07-19T22:00:00.000Z	61 \| moderate	9.655 \| good	23.687 \| good	58.061 \| fine	0.699 \| good	2.559 \| good	0.143 \| good
2025-07-19T23:00:00.000Z	64 \| moderate	7.715 \| good	22.09 \| good	59.033 \| fine	0.726 \| good	2.18 \| good	0.141 \| good
2025-07-20T00:00:00.000Z	67 \| moderate	5.949 \| good	22.55 \| good	60.464 \| fine	0.545 \| good	1.932 \| good	0.114 \| good
2025-07-20T01:00:00.000Z	50 \| good	8.03 \| good	23.771 \| good	53.973 \| good	0.628 \| good	2.485 \| good	0.184 \| good
2025-07-20T02:00:00.000Z	44 \| good	6.098 \| good	22.092 \| good	47.471 \| good	0.591 \| good	5.36 \| good	0.198 \| good
2025-07-20T03:00:00.000Z	43 \| good	4.872 \| good	13.064 \| good	46.362 \| good	0.596 \| good	4.047 \| good	0.282 \| good
2025-07-20T04:00:00.000Z	37 \| good	5.594 \| good	20.434 \| good	39.966 \| good	0.603 \| good	3.378 \| good	0.255 \| good
2025-07-20T05:00:00.000Z	33 \| good	6.091 \| good	22.173 \| good	35.565 \| good	0.707 \| good	5.105 \| good	0.31 \| good
2025-07-20T06:00:00.000Z	33 \| good	6.43 \| good	21.386 \| good	27.692 \| good	0.565 \| good	6.321 \| good	0.317 \| good
2025-07-20T07:00:00.000Z	33 \| good	5.827 \| good	17.892 \| good	25.981 \| good	0.599 \| good	8.39 \| good	0.248 \| good
2025-07-20T08:00:00.000Z	33 \| good	6.154 \| good	25.498 \| good	22.672 \| good	0.685 \| good	11.998 \| good	0.276 \| good
2025-07-20T09:00:00.000Z	38 \| good	6.679 \| good	28.667 \| good	22.241 \| good	0.678 \| good	16.462 \| good	0.319 \| good
2025-07-20T10:00:00.000Z	38 \| good	6.93 \| good	28.396 \| good	24.166 \| good	0.711 \| good	17.3 \| good	0.248 \| good
2025-07-20T11:00:00.000Z	24 \| good	3.205 \| good	10.571 \| good	26.191 \| good	0.62 \| good	14.55 \| good	0.233 \| good
2025-07-20T12:00:00.000Z	38 \| good	6.579 \| good	15.054 \| good	26.029 \| good	0.652 \| good	13.423 \| good	0.191 \| good
2025-07-20T13:00:00.000Z	33 \| good	6.018 \| good	11.543 \| good	22.386 \| good	0.81 \| good	14.454 \| good	0.143 \| good
2025-07-20T14:00:00.000Z	33 \| good	6.069 \| good	14.308 \| good	30.502 \| good	0.94 \| good	13.088 \| good	0.144 \| good
2025-07-20T15:00:00.000Z	39 \| good	6.578 \| good	14.66 \| good	42.047 \| good	1.168 \| good	13.512 \| good	0.129 \| good
2025-07-20T16:00:00.000Z	46 \| good	4.142 \| good	13.824 \| good	49.776 \| good	0.913 \| good	10.142 \| good	0.129 \| good
2025-07-20T16:00:00.000Z	46 \| good	4.142 \| good	13.824 \| good	49.776 \| good	0.913 \| good	10.142 \| good	0.129 \| good
2025-07-18T01:00:00.000Z	77 \| moderate	20.056 \| fine	88.674 \| fine	62.941 \| fine	0.843 \| good	4.07 \| good	0.193 \| good
2025-07-18T02:00:00.000Z	71 \| moderate	20.363 \| fine	88.916 \| fine	55.65 \| fine	0.943 \| good	5.427 \| good	0.207 \| good
2025-07-18T03:00:00.000Z	79 \| moderate	24.192 \| fine	105.868 \| fine	50.026 \| good	1.042 \| good	6.784 \| good	0.221 \| good
2025-07-18T04:00:00.000Z	84 \| moderate	26.606 \| fine	115.818 \| fine	45.376 \| good	0.995 \| good	7.89 \| good	0.231 \| good
2025-07-18T05:00:00.000Z	86 \| moderate	27.558 \| fine	119.801 \| fine	42.792 \| good	0.948 \| good	8.995 \| good	0.242 \| good
2025-07-18T06:00:00.000Z	82 \| moderate	25.681 \| fine	112.07 \| fine	38.25 \| good	0.901 \| good	10.1 \| good	0.252 \| good
2025-07-18T07:00:00.000Z	81 \| moderate	24.798 \| fine	108.688 \| fine	33.063 \| good	0.831 \| good	10.008 \| good	0.247 \| good
2025-07-18T08:00:00.000Z	81 \| moderate	25.382 \| fine	111.011 \| fine	30.427 \| good	0.762 \| good	9.916 \| good	0.242 \| good
2025-07-18T09:00:00.000Z	79 \| moderate	23.927 \| fine	104.547 \| fine	27.755 \| good	0.693 \| good	9.824 \| good	0.237 \| good
2025-07-18T10:00:00.000Z	73 \| moderate	20.646 \| fine	90.596 \| fine	29.195 \| good	0.614 \| good	9.142 \| good	0.228 \| good
2025-07-18T11:00:00.000Z	81 \| moderate	24.906 \| fine	108.851 \| fine	28.689 \| good	0.535 \| good	8.459 \| good	0.219 \| good
2025-07-18T12:00:00.000Z	73 \| moderate	21.465 \| fine	93.884 \| fine	25.08 \| good	0.456 \| good	7.776 \| good	0.211 \| good
2025-07-18T13:00:00.000Z	79 \| moderate	24.058 \| fine	104.946 \| fine	26.547 \| good	0.425 \| good	6.702 \| good	0.214 \| good
2025-07-18T14:00:00.000Z	75 \| moderate	21.881 \| fine	96.436 \| fine	37.24 \| good	0.395 \| good	5.627 \| good	0.218 \| good
2025-07-18T15:00:00.000Z	64 \| moderate	15.908 \| fine	70.923 \| fine	46.467 \| good	0.365 \| good	4.552 \| good	0.221 \| good
2025-07-18T16:00:00.000Z	61 \| moderate	9.08 \| good	40.733 \| good	57.991 \| fine	0.36 \| good	3.394 \| good	0.203 \| good
2025-07-18T17:00:00.000Z	77 \| moderate	9.686 \| good	42.835 \| good	62.993 \| fine	0.356 \| good	2.236 \| good	0.186 \| good
2025-07-18T18:00:00.000Z	87 \| moderate	10.858 \| good	48.045 \| good	66.22 \| fine	0.351 \| good	1.079 \| good	0.168 \| good
2025-07-18T19:00:00.000Z	87 \| moderate	11.595 \| good	51.08 \| good	66.312 \| fine	0.296 \| good	0.981 \| good	0.156 \| good
2025-07-18T20:00:00.000Z	87 \| moderate	8.767 \| good	38.65 \| good	66.137 \| fine	0.241 \| good	0.883 \| good	0.143 \| good
2025-07-18T21:00:00.000Z	84 \| moderate	10.386 \| good	46.28 \| good	65.241 \| fine	0.186 \| good	0.785 \| good	0.131 \| good
2025-07-18T22:00:00.000Z	84 \| moderate	12.977 \| fine	58.456 \| fine	64.73 \| fine	0.209 \| good	1.206 \| good	0.136 \| good
2025-07-18T23:00:00.000Z	56 \| moderate	12.088 \| good	54.214 \| good	55.87 \| fine	0.232 \| good	1.626 \| good	0.141 \| good
2025-07-19T00:00:00.000Z	62 \| moderate	14.941 \| fine	67.016 \| fine	56.034 \| fine	0.254 \| good	2.047 \| good	0.146 \| good
2025-07-19T01:00:00.000Z	62 \| moderate	14.616 \| fine	65.369 \| fine	54.854 \| good	0.28 \| good	3.187 \| good	0.157 \| good
2025-07-19T02:00:00.000Z	60 \| moderate	13.721 \| fine	61.582 \| fine	50.124 \| good	0.306 \| good	4.327 \| good	0.169 \| good
2025-07-19T03:00:00.000Z	56 \| moderate	12.377 \| fine	55.379 \| fine	46.084 \| good	0.332 \| good	5.467 \| good	0.18 \| good
2025-07-19T04:00:00.000Z	56 \| moderate	11.77 \| good	52.165 \| good	39.158 \| good	0.313 \| good	5.643 \| good	0.182 \| good
2025-07-19T05:00:00.000Z	56 \| moderate	11.998 \| good	53.938 \| good	36.662 \| good	0.294 \| good	5.819 \| good	0.183 \| good
2025-07-19T06:00:00.000Z	54 \| moderate	11.362 \| good	50.099 \| good	36.713 \| good	0.276 \| good	5.995 \| good	0.185 \| good
2025-07-19T07:00:00.000Z	54 \| moderate	10.528 \| good	46.46 \| good	37.843 \| good	0.27 \| good	6.633 \| good	0.188 \| good
2025-07-19T08:00:00.000Z	52 \| moderate	9.787 \| good	43.17 \| good	38.436 \| good	0.265 \| good	7.27 \| good	0.191 \| good
2025-07-19T09:00:00.000Z	49 \| good	8.878 \| good	39.312 \| good	35.063 \| good	0.259 \| good	7.907 \| good	0.194 \| good
2025-07-19T10:00:00.000Z	49 \| good	9.223 \| good	41.084 \| good	32.345 \| good	0.261 \| good	8.213 \| good	0.195 \| good
2025-07-19T11:00:00.000Z	60 \| moderate	13.852 \| fine	62.69 \| fine	27.97 \| good	0.264 \| good	8.518 \| good	0.196 \| good
2025-07-19T12:00:00.000Z	60 \| moderate	14.095 \| fine	63.199 \| fine	24.853 \| good	0.267 \| good	8.823 \| good	0.198 \| good
2025-07-19T13:00:00.000Z	60 \| moderate	14.223 \| fine	63.343 \| fine	30.091 \| good	0.354 \| good	7.018 \| good	0.193 \| good
2025-07-19T14:00:00.000Z	64 \| moderate	15.806 \| fine	70.631 \| fine	37.256 \| good	0.441 \| good	5.213 \| good	0.189 \| good
2025-07-19T15:00:00.000Z	62 \| moderate	15.021 \| fine	66.638 \| fine	46.059 \| good	0.528 \| good	3.408 \| good	0.184 \| good
2025-07-19T16:00:00.000Z	62 \| moderate	14.859 \| fine	66.263 \| fine	53.97 \| good	0.568 \| good	2.679 \| good	0.176 \| good
2025-07-19T17:00:00.000Z	58 \| moderate	10.086 \| good	44.658 \| good	56.815 \| fine	0.607 \| good	1.949 \| good	0.167 \| good
2025-07-19T18:00:00.000Z	54 \| moderate	6.997 \| good	30.968 \| good	55.751 \| fine	0.647 \| good	1.219 \| good	0.158 \| good
2025-07-19T19:00:00.000Z	51 \| moderate	6.96 \| good	31.029 \| good	55.195 \| fine	0.565 \| good	1.23 \| good	0.158 \| good
2025-07-19T20:00:00.000Z	69 \| moderate	19.002 \| fine	83.307 \| fine	54.217 \| good	0.483 \| good	1.242 \| good	0.157 \| good
2025-07-19T21:00:00.000Z	99 \| moderate	34.907 \| fine	151.892 \| fine	54.204 \| good	0.401 \| good	1.253 \| good	0.157 \| good
2025-07-19T22:00:00.000Z	110 \| sensitive	38.78 \| moderate	171.038 \| moderate	57.109 \| fine	0.417 \| good	1.451 \| good	0.158 \| good
2025-07-19T23:00:00.000Z	82 \| moderate	26.019 \| fine	113.379 \| fine	60.141 \| fine	0.433 \| good	1.649 \| good	0.159 \| good
2025-07-20T00:00:00.000Z	122 \| sensitive	12.33 \| fine	14.303 \| good	76.629 \| moderate	0.445 \| good	1.853 \| good	0.161 \| 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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