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

The current PM10 concentration at Johnstown, Colorado is 41.791 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Johnstown, Colorado is 1.183 ppb.

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

The current ozone (O3) concentration at Johnstown, Colorado is 28.278 ppm.

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

The current nitrogen dioxide (NO2) concentration at Johnstown, Colorado is 8.103 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)

7.78 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

29.19 μg/m³

155

255

425

605+

Ozone (O₃)

39.36 ppb

201

201+

Sulfur Dioxide (SO₂)

1.21 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

11.48 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.23 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
2025-08-02T17:00:00.000Z	49 \| good	9.326 \| good	27.633 \| good	37.674 \| good	1.007 \| good	8.98 \| good	0.175 \| good
2025-08-02T18:00:00.000Z	44 \| good	8.023 \| good	20.836 \| good	41.812 \| good	0.961 \| good	5.246 \| good	0.243 \| good
2025-08-02T19:00:00.000Z	44 \| good	8.344 \| good	22.757 \| good	46.259 \| good	0.623 \| good	3.306 \| good	0.196 \| good
2025-08-02T20:00:00.000Z	44 \| good	6.917 \| good	17.12 \| good	46.603 \| good	0.596 \| good	1.425 \| good	0.16 \| good
2025-08-02T21:00:00.000Z	44 \| good	5.075 \| good	19.341 \| good	46.932 \| good	0.647 \| good	2.394 \| good	0.19 \| good
2025-08-02T22:00:00.000Z	45 \| good	6.305 \| good	26.555 \| good	48.776 \| good	0.554 \| good	2.844 \| good	0.13 \| good
2025-08-02T23:00:00.000Z	46 \| good	6.205 \| good	25.465 \| good	50.476 \| good	0.587 \| good	2.29 \| good	0.131 \| good
2025-08-03T00:00:00.000Z	46 \| good	4.558 \| good	13.093 \| good	49.899 \| good	0.642 \| good	3.396 \| good	0.175 \| good
2025-08-03T01:00:00.000Z	45 \| good	4.262 \| good	16.876 \| good	48.627 \| good	0.821 \| good	4.151 \| good	0.161 \| good
2025-08-03T02:00:00.000Z	43 \| good	4.599 \| good	19.447 \| good	46.408 \| good	0.716 \| good	4.625 \| good	0.26 \| good
2025-08-03T03:00:00.000Z	43 \| good	4.87 \| good	19.02 \| good	46.326 \| good	0.654 \| good	4.314 \| good	0.194 \| good
2025-08-03T04:00:00.000Z	38 \| good	4.97 \| good	18.953 \| good	41.364 \| good	0.909 \| good	6.009 \| good	0.148 \| good
2025-08-03T05:00:00.000Z	39 \| good	5.042 \| good	20.547 \| good	42.405 \| good	0.952 \| good	6.833 \| good	0.211 \| good
2025-08-03T06:00:00.000Z	36 \| good	5.053 \| good	18.984 \| good	38.844 \| good	0.577 \| good	8.696 \| good	0.18 \| good
2025-08-03T07:00:00.000Z	33 \| good	4.947 \| good	20.795 \| good	35.766 \| good	0.546 \| good	9.787 \| good	0.239 \| good
2025-08-03T08:00:00.000Z	28 \| good	5.166 \| good	20.37 \| good	30.209 \| good	1.292 \| good	7.049 \| good	0.179 \| good
2025-08-03T09:00:00.000Z	27 \| good	4.791 \| good	13.405 \| good	29.193 \| good	1.505 \| good	7.599 \| good	0.163 \| good
2025-08-03T10:00:00.000Z	39 \| good	4.672 \| good	41.791 \| good	28.278 \| good	1.183 \| good	8.103 \| good	0.192 \| good
2025-08-03T11:00:00.000Z	46 \| good	4.797 \| good	50.497 \| good	25.836 \| good	0.692 \| good	8.554 \| good	0.185 \| good
2025-08-03T12:00:00.000Z	28 \| good	5.283 \| good	29.942 \| good	28.105 \| good	0.589 \| good	8.818 \| good	0.169 \| good
2025-08-03T13:00:00.000Z	27 \| good	5.035 \| good	12.669 \| good	20.479 \| good	0.706 \| good	14.32 \| good	0.2 \| good
2025-08-03T14:00:00.000Z	33 \| good	3.978 \| good	10.614 \| good	36.117 \| good	0.853 \| good	15.961 \| good	0.23 \| good
2025-08-03T15:00:00.000Z	29 \| good	3.767 \| good	7.371 \| good	30.92 \| good	0.854 \| good	5.856 \| good	0.193 \| good
2025-08-03T16:00:00.000Z	31 \| good	4.005 \| good	10.973 \| good	34.453 \| good	0.615 \| good	4.699 \| good	0.148 \| good
2025-08-03T17:00:00.000Z	39 \| good	4.496 \| good	15.297 \| good	42.309 \| good	0.585 \| good	2.528 \| good	0.117 \| good
2025-08-03T18:00:00.000Z	45 \| good	4.202 \| good	12.903 \| good	49.013 \| good	0.674 \| good	1.72 \| good	0.115 \| good
2025-08-03T19:00:00.000Z	46 \| good	3.358 \| good	9.432 \| good	50.375 \| good	0.673 \| good	1.076 \| good	0.115 \| good
2025-08-03T20:00:00.000Z	50 \| good	3.171 \| good	7.875 \| good	54.44 \| good	0.646 \| good	1.442 \| good	0.115 \| good
2025-08-03T21:00:00.000Z	58 \| moderate	3.057 \| good	9.1 \| good	56.953 \| fine	0.615 \| good	0.944 \| good	0.115 \| good
2025-08-03T22:00:00.000Z	61 \| moderate	3.253 \| good	12.844 \| good	58.174 \| fine	0.64 \| good	1.6 \| good	0.115 \| good
2025-08-03T23:00:00.000Z	64 \| moderate	2.689 \| good	9.86 \| good	58.651 \| fine	0.64 \| good	0.97 \| good	0.115 \| good
2025-08-04T00:00:00.000Z	61 \| moderate	2.187 \| good	9.781 \| good	58.008 \| fine	0.646 \| good	1.378 \| good	0.1 \| good
2025-08-04T01:00:00.000Z	58 \| moderate	2.418 \| good	21.807 \| good	57.107 \| fine	0.712 \| good	0.964 \| good	0.1 \| good
2025-08-04T02:00:00.000Z	54 \| moderate	3.205 \| good	12.075 \| good	55.738 \| fine	0.769 \| good	2.243 \| good	0.1 \| good
2025-08-04T03:00:00.000Z	44 \| good	2.867 \| good	13.295 \| good	47.665 \| good	1.074 \| good	4.075 \| good	0.131 \| good
2025-08-04T04:00:00.000Z	42 \| good	3.458 \| good	12.028 \| good	44.747 \| good	0.616 \| good	5.259 \| good	0.161 \| good
2025-08-04T05:00:00.000Z	40 \| good	3.699 \| good	19.097 \| good	42.678 \| good	0.589 \| good	5.353 \| good	0.191 \| good
2025-08-04T06:00:00.000Z	37 \| good	4.512 \| good	17.575 \| good	39.826 \| good	0.753 \| good	8.334 \| good	0.242 \| good
2025-08-04T07:00:00.000Z	32 \| good	4.529 \| good	18.094 \| good	35.389 \| good	0.624 \| good	14.754 \| good	0.224 \| good
2025-08-04T08:00:00.000Z	29 \| good	4.404 \| good	23.853 \| good	30.789 \| good	0.718 \| good	10.377 \| good	0.162 \| good
2025-08-04T09:00:00.000Z	29 \| good	4.571 \| good	14.536 \| good	30.709 \| good	0.643 \| good	9.134 \| good	0.134 \| good
2025-08-04T10:00:00.000Z	27 \| good	5.22 \| good	20.514 \| good	25.034 \| good	0.94 \| good	5.59 \| good	0.133 \| good
2025-08-04T11:00:00.000Z	44 \| good	7.797 \| good	9.45 \| good	24.515 \| good	0.59 \| good	8.054 \| good	0.146 \| good
2025-08-04T12:00:00.000Z	38 \| good	7.486 \| good	17.596 \| good	20.229 \| good	0.625 \| good	10.434 \| good	0.199 \| good
2025-08-04T13:00:00.000Z	33 \| good	6.337 \| good	12.518 \| good	27.074 \| good	0.864 \| good	11.827 \| good	0.244 \| good
2025-08-04T14:00:00.000Z	49 \| good	9 \| good	42.119 \| good	23.124 \| good	1.112 \| good	12.719 \| good	0.275 \| good
2025-08-04T15:00:00.000Z	52 \| moderate	9.714 \| good	54.863 \| good	29.056 \| good	0.996 \| good	16.365 \| good	0.241 \| good
2025-08-04T16:00:00.000Z	44 \| good	7.778 \| good	29.188 \| good	39.36 \| good	1.208 \| good	11.482 \| good	0.228 \| good
2025-08-04T16:00:00.000Z	44 \| good	7.778 \| good	29.188 \| good	39.36 \| good	1.208 \| good	11.482 \| good	0.228 \| good
2025-08-03T11:00:00.000Z	75 \| moderate	21.619 \| fine	94.268 \| fine	22.744 \| good	0.318 \| good	7.548 \| good	0.15 \| good
2025-08-03T12:00:00.000Z	75 \| moderate	21.901 \| fine	95.942 \| fine	22.269 \| good	0.257 \| good	6.698 \| good	0.14 \| good
2025-08-03T13:00:00.000Z	82 \| moderate	26.206 \| fine	114.303 \| fine	28.591 \| good	0.267 \| good	5.647 \| good	0.141 \| good
2025-08-03T14:00:00.000Z	66 \| moderate	17.174 \| fine	76.643 \| fine	36.746 \| good	0.276 \| good	4.596 \| good	0.142 \| good
2025-08-03T15:00:00.000Z	58 \| moderate	13.07 \| fine	59.207 \| fine	44.988 \| good	0.285 \| good	3.546 \| good	0.143 \| good
2025-08-03T16:00:00.000Z	56 \| moderate	12.181 \| fine	54.903 \| good	51.246 \| good	0.355 \| good	2.566 \| good	0.128 \| good
2025-08-03T17:00:00.000Z	54 \| moderate	10.682 \| good	47.132 \| good	53.364 \| good	0.425 \| good	1.587 \| good	0.113 \| good
2025-08-03T18:00:00.000Z	54 \| moderate	10.35 \| good	45.808 \| good	55.738 \| fine	0.496 \| good	0.608 \| good	0.098 \| good
2025-08-03T19:00:00.000Z	54 \| moderate	10.326 \| good	45.838 \| good	55.609 \| fine	0.436 \| good	0.571 \| good	0.096 \| good
2025-08-03T20:00:00.000Z	52 \| moderate	9.692 \| good	42.82 \| good	53.675 \| good	0.377 \| good	0.534 \| good	0.094 \| good
2025-08-03T21:00:00.000Z	49 \| good	9.183 \| good	40.557 \| good	52.036 \| good	0.317 \| good	0.497 \| good	0.093 \| good
2025-08-03T22:00:00.000Z	50 \| good	8.91 \| good	39.048 \| good	53.662 \| good	0.29 \| good	0.619 \| good	0.093 \| good
2025-08-03T23:00:00.000Z	50 \| good	9.283 \| good	40.961 \| good	53.612 \| good	0.264 \| good	0.74 \| good	0.094 \| good
2025-08-04T00:00:00.000Z	58 \| moderate	12.537 \| fine	56.831 \| fine	54.34 \| good	0.237 \| good	0.862 \| good	0.094 \| good
2025-08-04T01:00:00.000Z	60 \| moderate	13.84 \| fine	62.647 \| fine	47.298 \| good	0.271 \| good	2.367 \| good	0.107 \| good
2025-08-04T02:00:00.000Z	60 \| moderate	13.576 \| fine	61.154 \| fine	39.417 \| good	0.304 \| good	3.873 \| good	0.12 \| good
2025-08-04T03:00:00.000Z	60 \| moderate	13.771 \| fine	61.234 \| fine	33.478 \| good	0.338 \| good	5.378 \| good	0.134 \| good
2025-08-04T04:00:00.000Z	62 \| moderate	14.902 \| fine	66.918 \| fine	28.815 \| good	0.374 \| good	6.013 \| good	0.137 \| good
2025-08-04T05:00:00.000Z	62 \| moderate	15.421 \| fine	69.083 \| fine	25.333 \| good	0.41 \| good	6.648 \| good	0.141 \| good
2025-08-04T06:00:00.000Z	64 \| moderate	16.222 \| fine	71.573 \| fine	24.091 \| good	0.446 \| good	7.282 \| good	0.145 \| good
2025-08-04T07:00:00.000Z	64 \| moderate	16.411 \| fine	73.061 \| fine	24.54 \| good	0.455 \| good	7.634 \| good	0.146 \| good
2025-08-04T08:00:00.000Z	66 \| moderate	16.595 \| fine	73.281 \| fine	20.196 \| good	0.465 \| good	7.985 \| good	0.146 \| good
2025-08-04T09:00:00.000Z	64 \| moderate	15.919 \| fine	70.692 \| fine	18.701 \| good	0.475 \| good	8.336 \| good	0.147 \| good
2025-08-04T10:00:00.000Z	62 \| moderate	15.013 \| fine	66.608 \| fine	17.802 \| good	0.468 \| good	8.707 \| good	0.147 \| good
2025-08-04T11:00:00.000Z	64 \| moderate	16.145 \| fine	71.187 \| fine	16.534 \| good	0.461 \| good	9.078 \| good	0.147 \| good
2025-08-04T12:00:00.000Z	64 \| moderate	15.731 \| fine	70.53 \| fine	14.158 \| good	0.455 \| good	9.448 \| good	0.148 \| good
2025-08-04T13:00:00.000Z	64 \| moderate	16.375 \| fine	73.401 \| fine	18.732 \| good	0.514 \| good	7.808 \| good	0.147 \| good
2025-08-04T14:00:00.000Z	64 \| moderate	16.429 \| fine	73.366 \| fine	28.105 \| good	0.573 \| good	6.167 \| good	0.146 \| good
2025-08-04T15:00:00.000Z	64 \| moderate	15.566 \| fine	69.171 \| fine	38.766 \| good	0.632 \| good	4.526 \| good	0.145 \| good
2025-08-04T16:00:00.000Z	62 \| moderate	15.403 \| fine	68.59 \| fine	50.836 \| good	0.698 \| good	3.654 \| good	0.139 \| good
2025-08-04T17:00:00.000Z	67 \| moderate	14.216 \| fine	64.383 \| fine	59.814 \| fine	0.764 \| good	2.783 \| good	0.132 \| good
2025-08-04T18:00:00.000Z	77 \| moderate	11.538 \| good	51.085 \| good	63.032 \| fine	0.83 \| good	1.911 \| good	0.126 \| good
2025-08-04T19:00:00.000Z	80 \| moderate	10.036 \| good	44.654 \| good	63.682 \| fine	0.719 \| good	1.561 \| good	0.12 \| good
2025-08-04T20:00:00.000Z	74 \| moderate	10.033 \| good	44.512 \| good	62.446 \| fine	0.607 \| good	1.211 \| good	0.115 \| good
2025-08-04T21:00:00.000Z	74 \| moderate	8.363 \| good	36.774 \| good	62.135 \| fine	0.495 \| good	0.861 \| good	0.109 \| good
2025-08-04T22:00:00.000Z	80 \| moderate	8.048 \| good	35.257 \| good	63.987 \| fine	0.517 \| good	1.032 \| good	0.111 \| good
2025-08-04T23:00:00.000Z	71 \| moderate	7.081 \| good	31.23 \| good	60.654 \| fine	0.538 \| good	1.203 \| good	0.114 \| good
2025-08-05T00:00:00.000Z	52 \| moderate	9.624 \| good	42.633 \| good	55.197 \| fine	0.56 \| good	1.373 \| good	0.116 \| good
2025-08-05T01:00:00.000Z	54 \| moderate	11.39 \| good	50.446 \| good	47.541 \| good	0.597 \| good	3.294 \| good	0.136 \| good
2025-08-05T02:00:00.000Z	56 \| moderate	12.01 \| good	53.039 \| good	41.871 \| good	0.634 \| good	5.215 \| good	0.156 \| good
2025-08-05T03:00:00.000Z	79 \| moderate	24.303 \| fine	105.245 \| fine	35.963 \| good	0.671 \| good	7.136 \| good	0.177 \| good
2025-08-05T04:00:00.000Z	110 \| sensitive	38.722 \| moderate	170.393 \| moderate	36.5 \| good	0.638 \| good	6.739 \| good	0.175 \| good
2025-08-05T05:00:00.000Z	107 \| sensitive	38.133 \| moderate	168.352 \| moderate	33.069 \| good	0.605 \| good	6.341 \| good	0.173 \| good
2025-08-05T06:00:00.000Z	44 \| good	7.716 \| good	10.986 \| good	46.97 \| good	0.567 \| good	5.969 \| good	0.172 \| good
2025-08-05T07:00:00.000Z	105 \| sensitive	36.913 \| moderate	161.662 \| moderate	29.203 \| good	0.509 \| good	5.802 \| good	0.17 \| good
2025-08-05T08:00:00.000Z	81 \| moderate	24.729 \| fine	107.843 \| fine	29.867 \| good	0.445 \| good	5.66 \| good	0.168 \| good
2025-08-05T09:00:00.000Z	81 \| moderate	25.18 \| fine	109.895 \| fine	21.014 \| good	0.382 \| good	5.519 \| good	0.167 \| good
2025-08-05T10:00:00.000Z	84 \| moderate	27.047 \| fine	118.164 \| fine	13.654 \| good	0.388 \| good	6.213 \| good	0.166 \| good

Johnstown

Get reliable air quality data to drive your business

Johnstown, Colorado air quality map: Track AQI near you

0.13ppm

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 01:00:00 on 2025-08-02.

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 2025-08-03.

What is the current air quality in Johnstown, Colorado?

The current air quality in Johnstown, Colorado is 39, 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 PM10.

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 4.672 μg/m³.

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

The current PM₁₀ concentration at Johnstown, Colorado is 41.791 μg/m³.

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

The current carbon monoxide (CO) concentration at Johnstown, Colorado is 0.192 ppm.

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

The current sulfur dioxide (SO₂) concentration at Johnstown, Colorado is 1.183 ppb.

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

The current ozone (O₃) concentration at Johnstown, Colorado is 28.278 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Johnstown, Colorado is 8.103 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-08-02T17:00:00.000Z	49 \| good	9.326 \| good	27.633 \| good	37.674 \| good	1.007 \| good	8.98 \| good	0.175 \| good
2025-08-02T18:00:00.000Z	44 \| good	8.023 \| good	20.836 \| good	41.812 \| good	0.961 \| good	5.246 \| good	0.243 \| good
2025-08-02T19:00:00.000Z	44 \| good	8.344 \| good	22.757 \| good	46.259 \| good	0.623 \| good	3.306 \| good	0.196 \| good
2025-08-02T20:00:00.000Z	44 \| good	6.917 \| good	17.12 \| good	46.603 \| good	0.596 \| good	1.425 \| good	0.16 \| good
2025-08-02T21:00:00.000Z	44 \| good	5.075 \| good	19.341 \| good	46.932 \| good	0.647 \| good	2.394 \| good	0.19 \| good
2025-08-02T22:00:00.000Z	45 \| good	6.305 \| good	26.555 \| good	48.776 \| good	0.554 \| good	2.844 \| good	0.13 \| good
2025-08-02T23:00:00.000Z	46 \| good	6.205 \| good	25.465 \| good	50.476 \| good	0.587 \| good	2.29 \| good	0.131 \| good
2025-08-03T00:00:00.000Z	46 \| good	4.558 \| good	13.093 \| good	49.899 \| good	0.642 \| good	3.396 \| good	0.175 \| good
2025-08-03T01:00:00.000Z	45 \| good	4.262 \| good	16.876 \| good	48.627 \| good	0.821 \| good	4.151 \| good	0.161 \| good
2025-08-03T02:00:00.000Z	43 \| good	4.599 \| good	19.447 \| good	46.408 \| good	0.716 \| good	4.625 \| good	0.26 \| good
2025-08-03T03:00:00.000Z	43 \| good	4.87 \| good	19.02 \| good	46.326 \| good	0.654 \| good	4.314 \| good	0.194 \| good
2025-08-03T04:00:00.000Z	38 \| good	4.97 \| good	18.953 \| good	41.364 \| good	0.909 \| good	6.009 \| good	0.148 \| good
2025-08-03T05:00:00.000Z	39 \| good	5.042 \| good	20.547 \| good	42.405 \| good	0.952 \| good	6.833 \| good	0.211 \| good
2025-08-03T06:00:00.000Z	36 \| good	5.053 \| good	18.984 \| good	38.844 \| good	0.577 \| good	8.696 \| good	0.18 \| good
2025-08-03T07:00:00.000Z	33 \| good	4.947 \| good	20.795 \| good	35.766 \| good	0.546 \| good	9.787 \| good	0.239 \| good
2025-08-03T08:00:00.000Z	28 \| good	5.166 \| good	20.37 \| good	30.209 \| good	1.292 \| good	7.049 \| good	0.179 \| good
2025-08-03T09:00:00.000Z	27 \| good	4.791 \| good	13.405 \| good	29.193 \| good	1.505 \| good	7.599 \| good	0.163 \| good
2025-08-03T10:00:00.000Z	39 \| good	4.672 \| good	41.791 \| good	28.278 \| good	1.183 \| good	8.103 \| good	0.192 \| good
2025-08-03T11:00:00.000Z	46 \| good	4.797 \| good	50.497 \| good	25.836 \| good	0.692 \| good	8.554 \| good	0.185 \| good
2025-08-03T12:00:00.000Z	28 \| good	5.283 \| good	29.942 \| good	28.105 \| good	0.589 \| good	8.818 \| good	0.169 \| good
2025-08-03T13:00:00.000Z	27 \| good	5.035 \| good	12.669 \| good	20.479 \| good	0.706 \| good	14.32 \| good	0.2 \| good
2025-08-03T14:00:00.000Z	33 \| good	3.978 \| good	10.614 \| good	36.117 \| good	0.853 \| good	15.961 \| good	0.23 \| good
2025-08-03T15:00:00.000Z	29 \| good	3.767 \| good	7.371 \| good	30.92 \| good	0.854 \| good	5.856 \| good	0.193 \| good
2025-08-03T16:00:00.000Z	31 \| good	4.005 \| good	10.973 \| good	34.453 \| good	0.615 \| good	4.699 \| good	0.148 \| good
2025-08-03T17:00:00.000Z	39 \| good	4.496 \| good	15.297 \| good	42.309 \| good	0.585 \| good	2.528 \| good	0.117 \| good
2025-08-03T18:00:00.000Z	45 \| good	4.202 \| good	12.903 \| good	49.013 \| good	0.674 \| good	1.72 \| good	0.115 \| good
2025-08-03T19:00:00.000Z	46 \| good	3.358 \| good	9.432 \| good	50.375 \| good	0.673 \| good	1.076 \| good	0.115 \| good
2025-08-03T20:00:00.000Z	50 \| good	3.171 \| good	7.875 \| good	54.44 \| good	0.646 \| good	1.442 \| good	0.115 \| good
2025-08-03T21:00:00.000Z	58 \| moderate	3.057 \| good	9.1 \| good	56.953 \| fine	0.615 \| good	0.944 \| good	0.115 \| good
2025-08-03T22:00:00.000Z	61 \| moderate	3.253 \| good	12.844 \| good	58.174 \| fine	0.64 \| good	1.6 \| good	0.115 \| good
2025-08-03T23:00:00.000Z	64 \| moderate	2.689 \| good	9.86 \| good	58.651 \| fine	0.64 \| good	0.97 \| good	0.115 \| good
2025-08-04T00:00:00.000Z	61 \| moderate	2.187 \| good	9.781 \| good	58.008 \| fine	0.646 \| good	1.378 \| good	0.1 \| good
2025-08-04T01:00:00.000Z	58 \| moderate	2.418 \| good	21.807 \| good	57.107 \| fine	0.712 \| good	0.964 \| good	0.1 \| good
2025-08-04T02:00:00.000Z	54 \| moderate	3.205 \| good	12.075 \| good	55.738 \| fine	0.769 \| good	2.243 \| good	0.1 \| good
2025-08-04T03:00:00.000Z	44 \| good	2.867 \| good	13.295 \| good	47.665 \| good	1.074 \| good	4.075 \| good	0.131 \| good
2025-08-04T04:00:00.000Z	42 \| good	3.458 \| good	12.028 \| good	44.747 \| good	0.616 \| good	5.259 \| good	0.161 \| good
2025-08-04T05:00:00.000Z	40 \| good	3.699 \| good	19.097 \| good	42.678 \| good	0.589 \| good	5.353 \| good	0.191 \| good
2025-08-04T06:00:00.000Z	37 \| good	4.512 \| good	17.575 \| good	39.826 \| good	0.753 \| good	8.334 \| good	0.242 \| good
2025-08-04T07:00:00.000Z	32 \| good	4.529 \| good	18.094 \| good	35.389 \| good	0.624 \| good	14.754 \| good	0.224 \| good
2025-08-04T08:00:00.000Z	29 \| good	4.404 \| good	23.853 \| good	30.789 \| good	0.718 \| good	10.377 \| good	0.162 \| good
2025-08-04T09:00:00.000Z	29 \| good	4.571 \| good	14.536 \| good	30.709 \| good	0.643 \| good	9.134 \| good	0.134 \| good
2025-08-04T10:00:00.000Z	27 \| good	5.22 \| good	20.514 \| good	25.034 \| good	0.94 \| good	5.59 \| good	0.133 \| good
2025-08-04T11:00:00.000Z	44 \| good	7.797 \| good	9.45 \| good	24.515 \| good	0.59 \| good	8.054 \| good	0.146 \| good
2025-08-04T12:00:00.000Z	38 \| good	7.486 \| good	17.596 \| good	20.229 \| good	0.625 \| good	10.434 \| good	0.199 \| good
2025-08-04T13:00:00.000Z	33 \| good	6.337 \| good	12.518 \| good	27.074 \| good	0.864 \| good	11.827 \| good	0.244 \| good
2025-08-04T14:00:00.000Z	49 \| good	9 \| good	42.119 \| good	23.124 \| good	1.112 \| good	12.719 \| good	0.275 \| good
2025-08-04T15:00:00.000Z	52 \| moderate	9.714 \| good	54.863 \| good	29.056 \| good	0.996 \| good	16.365 \| good	0.241 \| good
2025-08-04T16:00:00.000Z	44 \| good	7.778 \| good	29.188 \| good	39.36 \| good	1.208 \| good	11.482 \| good	0.228 \| good
2025-08-04T16:00:00.000Z	44 \| good	7.778 \| good	29.188 \| good	39.36 \| good	1.208 \| good	11.482 \| good	0.228 \| good
2025-08-03T11:00:00.000Z	75 \| moderate	21.619 \| fine	94.268 \| fine	22.744 \| good	0.318 \| good	7.548 \| good	0.15 \| good
2025-08-03T12:00:00.000Z	75 \| moderate	21.901 \| fine	95.942 \| fine	22.269 \| good	0.257 \| good	6.698 \| good	0.14 \| good
2025-08-03T13:00:00.000Z	82 \| moderate	26.206 \| fine	114.303 \| fine	28.591 \| good	0.267 \| good	5.647 \| good	0.141 \| good
2025-08-03T14:00:00.000Z	66 \| moderate	17.174 \| fine	76.643 \| fine	36.746 \| good	0.276 \| good	4.596 \| good	0.142 \| good
2025-08-03T15:00:00.000Z	58 \| moderate	13.07 \| fine	59.207 \| fine	44.988 \| good	0.285 \| good	3.546 \| good	0.143 \| good
2025-08-03T16:00:00.000Z	56 \| moderate	12.181 \| fine	54.903 \| good	51.246 \| good	0.355 \| good	2.566 \| good	0.128 \| good
2025-08-03T17:00:00.000Z	54 \| moderate	10.682 \| good	47.132 \| good	53.364 \| good	0.425 \| good	1.587 \| good	0.113 \| good
2025-08-03T18:00:00.000Z	54 \| moderate	10.35 \| good	45.808 \| good	55.738 \| fine	0.496 \| good	0.608 \| good	0.098 \| good
2025-08-03T19:00:00.000Z	54 \| moderate	10.326 \| good	45.838 \| good	55.609 \| fine	0.436 \| good	0.571 \| good	0.096 \| good
2025-08-03T20:00:00.000Z	52 \| moderate	9.692 \| good	42.82 \| good	53.675 \| good	0.377 \| good	0.534 \| good	0.094 \| good
2025-08-03T21:00:00.000Z	49 \| good	9.183 \| good	40.557 \| good	52.036 \| good	0.317 \| good	0.497 \| good	0.093 \| good
2025-08-03T22:00:00.000Z	50 \| good	8.91 \| good	39.048 \| good	53.662 \| good	0.29 \| good	0.619 \| good	0.093 \| good
2025-08-03T23:00:00.000Z	50 \| good	9.283 \| good	40.961 \| good	53.612 \| good	0.264 \| good	0.74 \| good	0.094 \| good
2025-08-04T00:00:00.000Z	58 \| moderate	12.537 \| fine	56.831 \| fine	54.34 \| good	0.237 \| good	0.862 \| good	0.094 \| good
2025-08-04T01:00:00.000Z	60 \| moderate	13.84 \| fine	62.647 \| fine	47.298 \| good	0.271 \| good	2.367 \| good	0.107 \| good
2025-08-04T02:00:00.000Z	60 \| moderate	13.576 \| fine	61.154 \| fine	39.417 \| good	0.304 \| good	3.873 \| good	0.12 \| good
2025-08-04T03:00:00.000Z	60 \| moderate	13.771 \| fine	61.234 \| fine	33.478 \| good	0.338 \| good	5.378 \| good	0.134 \| good
2025-08-04T04:00:00.000Z	62 \| moderate	14.902 \| fine	66.918 \| fine	28.815 \| good	0.374 \| good	6.013 \| good	0.137 \| good
2025-08-04T05:00:00.000Z	62 \| moderate	15.421 \| fine	69.083 \| fine	25.333 \| good	0.41 \| good	6.648 \| good	0.141 \| good
2025-08-04T06:00:00.000Z	64 \| moderate	16.222 \| fine	71.573 \| fine	24.091 \| good	0.446 \| good	7.282 \| good	0.145 \| good
2025-08-04T07:00:00.000Z	64 \| moderate	16.411 \| fine	73.061 \| fine	24.54 \| good	0.455 \| good	7.634 \| good	0.146 \| good
2025-08-04T08:00:00.000Z	66 \| moderate	16.595 \| fine	73.281 \| fine	20.196 \| good	0.465 \| good	7.985 \| good	0.146 \| good
2025-08-04T09:00:00.000Z	64 \| moderate	15.919 \| fine	70.692 \| fine	18.701 \| good	0.475 \| good	8.336 \| good	0.147 \| good
2025-08-04T10:00:00.000Z	62 \| moderate	15.013 \| fine	66.608 \| fine	17.802 \| good	0.468 \| good	8.707 \| good	0.147 \| good
2025-08-04T11:00:00.000Z	64 \| moderate	16.145 \| fine	71.187 \| fine	16.534 \| good	0.461 \| good	9.078 \| good	0.147 \| good
2025-08-04T12:00:00.000Z	64 \| moderate	15.731 \| fine	70.53 \| fine	14.158 \| good	0.455 \| good	9.448 \| good	0.148 \| good
2025-08-04T13:00:00.000Z	64 \| moderate	16.375 \| fine	73.401 \| fine	18.732 \| good	0.514 \| good	7.808 \| good	0.147 \| good
2025-08-04T14:00:00.000Z	64 \| moderate	16.429 \| fine	73.366 \| fine	28.105 \| good	0.573 \| good	6.167 \| good	0.146 \| good
2025-08-04T15:00:00.000Z	64 \| moderate	15.566 \| fine	69.171 \| fine	38.766 \| good	0.632 \| good	4.526 \| good	0.145 \| good
2025-08-04T16:00:00.000Z	62 \| moderate	15.403 \| fine	68.59 \| fine	50.836 \| good	0.698 \| good	3.654 \| good	0.139 \| good
2025-08-04T17:00:00.000Z	67 \| moderate	14.216 \| fine	64.383 \| fine	59.814 \| fine	0.764 \| good	2.783 \| good	0.132 \| good
2025-08-04T18:00:00.000Z	77 \| moderate	11.538 \| good	51.085 \| good	63.032 \| fine	0.83 \| good	1.911 \| good	0.126 \| good
2025-08-04T19:00:00.000Z	80 \| moderate	10.036 \| good	44.654 \| good	63.682 \| fine	0.719 \| good	1.561 \| good	0.12 \| good
2025-08-04T20:00:00.000Z	74 \| moderate	10.033 \| good	44.512 \| good	62.446 \| fine	0.607 \| good	1.211 \| good	0.115 \| good
2025-08-04T21:00:00.000Z	74 \| moderate	8.363 \| good	36.774 \| good	62.135 \| fine	0.495 \| good	0.861 \| good	0.109 \| good
2025-08-04T22:00:00.000Z	80 \| moderate	8.048 \| good	35.257 \| good	63.987 \| fine	0.517 \| good	1.032 \| good	0.111 \| good
2025-08-04T23:00:00.000Z	71 \| moderate	7.081 \| good	31.23 \| good	60.654 \| fine	0.538 \| good	1.203 \| good	0.114 \| good
2025-08-05T00:00:00.000Z	52 \| moderate	9.624 \| good	42.633 \| good	55.197 \| fine	0.56 \| good	1.373 \| good	0.116 \| good
2025-08-05T01:00:00.000Z	54 \| moderate	11.39 \| good	50.446 \| good	47.541 \| good	0.597 \| good	3.294 \| good	0.136 \| good
2025-08-05T02:00:00.000Z	56 \| moderate	12.01 \| good	53.039 \| good	41.871 \| good	0.634 \| good	5.215 \| good	0.156 \| good
2025-08-05T03:00:00.000Z	79 \| moderate	24.303 \| fine	105.245 \| fine	35.963 \| good	0.671 \| good	7.136 \| good	0.177 \| good
2025-08-05T04:00:00.000Z	110 \| sensitive	38.722 \| moderate	170.393 \| moderate	36.5 \| good	0.638 \| good	6.739 \| good	0.175 \| good
2025-08-05T05:00:00.000Z	107 \| sensitive	38.133 \| moderate	168.352 \| moderate	33.069 \| good	0.605 \| good	6.341 \| good	0.173 \| good
2025-08-05T06:00:00.000Z	44 \| good	7.716 \| good	10.986 \| good	46.97 \| good	0.567 \| good	5.969 \| good	0.172 \| good
2025-08-05T07:00:00.000Z	105 \| sensitive	36.913 \| moderate	161.662 \| moderate	29.203 \| good	0.509 \| good	5.802 \| good	0.17 \| good
2025-08-05T08:00:00.000Z	81 \| moderate	24.729 \| fine	107.843 \| fine	29.867 \| good	0.445 \| good	5.66 \| good	0.168 \| good
2025-08-05T09:00:00.000Z	81 \| moderate	25.18 \| fine	109.895 \| fine	21.014 \| good	0.382 \| good	5.519 \| good	0.167 \| good
2025-08-05T10:00:00.000Z	84 \| moderate	27.047 \| fine	118.164 \| fine	13.654 \| good	0.388 \| good	6.213 \| good	0.166 \| 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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