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

The current PM10 concentration at Johnstown, Colorado is 93.555 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Johnstown, Colorado is 0.591 ppb.

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

The current ozone (O3) concentration at Johnstown, Colorado is 15.391 ppm.

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

The current nitrogen dioxide (NO2) concentration at Johnstown, Colorado is 11.657 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)

Moderate

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)

21.67 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

93.56 μg/m³

155

255

425

605+

Ozone (O₃)

15.39 ppb

201

201+

Sulfur Dioxide (SO₂)

0.59 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

11.66 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.32 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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
2025-09-04T15:00:00.000Z	71 \| moderate	19.861 \| fine	80.586 \| fine	29.19 \| good	0.964 \| good	16.656 \| good	0.33 \| good
2025-09-04T16:00:00.000Z	69 \| moderate	19.139 \| fine	57.751 \| fine	26.455 \| good	0.719 \| good	12.92 \| good	0.288 \| good
2025-09-04T17:00:00.000Z	67 \| moderate	18.481 \| fine	72.371 \| fine	40.55 \| good	0.615 \| good	10.812 \| good	0.232 \| good
2025-09-04T18:00:00.000Z	71 \| moderate	20.35 \| fine	70.562 \| fine	42.111 \| good	0.592 \| good	6.093 \| good	0.228 \| good
2025-09-04T19:00:00.000Z	82 \| moderate	25.893 \| fine	74.054 \| fine	49.7 \| good	0.345 \| good	3.289 \| good	0.246 \| good
2025-09-04T20:00:00.000Z	90 \| moderate	29.747 \| fine	69.883 \| fine	54.802 \| good	0.536 \| good	3.997 \| good	0.247 \| good
2025-09-04T21:00:00.000Z	88 \| moderate	29.473 \| fine	78.577 \| fine	58.383 \| fine	0.51 \| good	2.084 \| good	0.26 \| good
2025-09-04T22:00:00.000Z	105 \| sensitive	36.814 \| moderate	66.419 \| fine	60.893 \| fine	0.448 \| good	2.002 \| good	0.32 \| good
2025-09-04T23:00:00.000Z	115 \| sensitive	40.808 \| moderate	95.703 \| fine	58.951 \| fine	0.423 \| good	2.295 \| good	0.306 \| good
2025-09-05T00:00:00.000Z	66 \| moderate	16.649 \| fine	53.685 \| good	58.605 \| fine	0.479 \| good	2.788 \| good	0.326 \| good
2025-09-05T01:00:00.000Z	107 \| sensitive	38.347 \| moderate	80.442 \| fine	57.343 \| fine	0.389 \| good	2.21 \| good	0.358 \| good
2025-09-05T02:00:00.000Z	105 \| sensitive	37.336 \| moderate	59.87 \| fine	59.874 \| fine	0.511 \| good	2.994 \| good	0.354 \| good
2025-09-05T03:00:00.000Z	147 \| sensitive	54.209 \| moderate	157.05 \| moderate	53.687 \| good	0.418 \| good	3.01 \| good	0.312 \| good
2025-09-05T04:00:00.000Z	110 \| sensitive	38.633 \| moderate	61.967 \| fine	41.81 \| good	0.42 \| good	1.545 \| good	0.256 \| good
2025-09-05T05:00:00.000Z	110 \| sensitive	38.557 \| moderate	76.116 \| fine	39.021 \| good	0.42 \| good	1.418 \| good	0.241 \| good
2025-09-05T06:00:00.000Z	94 \| moderate	32.276 \| fine	91.644 \| fine	40.404 \| good	0.419 \| good	1.566 \| good	0.241 \| good
2025-09-05T07:00:00.000Z	115 \| sensitive	41.199 \| moderate	170.875 \| moderate	35.102 \| good	0.265 \| good	1.585 \| good	0.227 \| good
2025-09-05T08:00:00.000Z	102 \| sensitive	36.345 \| moderate	84.047 \| fine	34.856 \| good	0.3 \| good	1.19 \| good	0.227 \| good
2025-09-05T09:00:00.000Z	97 \| moderate	33.781 \| fine	82.078 \| fine	31.25 \| good	0.261 \| good	1.317 \| good	0.241 \| good
2025-09-05T10:00:00.000Z	90 \| moderate	30.451 \| fine	74.429 \| fine	30.326 \| good	0.324 \| good	1.484 \| good	0.2 \| good
2025-09-05T11:00:00.000Z	88 \| moderate	29.235 \| fine	125.037 \| fine	27.777 \| good	0.367 \| good	2.178 \| good	0.215 \| good
2025-09-05T12:00:00.000Z	81 \| moderate	25.078 \| fine	101.316 \| fine	26.949 \| good	0.297 \| good	2.161 \| good	0.215 \| good
2025-09-05T13:00:00.000Z	79 \| moderate	23.774 \| fine	72.065 \| fine	30.504 \| good	0.269 \| good	2.863 \| good	0.215 \| good
2025-09-05T14:00:00.000Z	75 \| moderate	22.464 \| fine	67.435 \| fine	32.943 \| good	0.204 \| good	3.202 \| good	0.2 \| good
2025-09-05T15:00:00.000Z	73 \| moderate	21.092 \| fine	70.837 \| fine	33.661 \| good	0.19 \| good	3.637 \| good	0.241 \| good
2025-09-05T16:00:00.000Z	73 \| moderate	20.871 \| fine	43.876 \| good	34.103 \| good	0.322 \| good	3.556 \| good	0.256 \| good
2025-09-05T17:00:00.000Z	75 \| moderate	21.928 \| fine	50.746 \| good	36.907 \| good	0.264 \| good	2.453 \| good	0.214 \| good
2025-09-05T18:00:00.000Z	75 \| moderate	22.357 \| fine	73.543 \| fine	38.535 \| good	0.259 \| good	2.145 \| good	0.241 \| good
2025-09-05T19:00:00.000Z	75 \| moderate	21.786 \| fine	85.4 \| fine	38.011 \| good	0.443 \| good	2.229 \| good	0.214 \| good
2025-09-05T20:00:00.000Z	73 \| moderate	20.966 \| fine	79.944 \| fine	36.186 \| good	0.407 \| good	2.133 \| good	0.27 \| good
2025-09-05T21:00:00.000Z	71 \| moderate	20.446 \| fine	63.933 \| fine	41.071 \| good	0.324 \| good	2.074 \| good	0.257 \| good
2025-09-05T22:00:00.000Z	73 \| moderate	20.741 \| fine	57.275 \| fine	41.317 \| good	0.353 \| good	2.049 \| good	0.214 \| good
2025-09-05T23:00:00.000Z	75 \| moderate	21.789 \| fine	69.433 \| fine	41.161 \| good	0.319 \| good	1.75 \| good	0.241 \| good
2025-09-06T00:00:00.000Z	77 \| moderate	22.862 \| fine	50.106 \| good	38.729 \| good	0.35 \| good	1.792 \| good	0.255 \| good
2025-09-06T01:00:00.000Z	71 \| moderate	20.356 \| fine	54.262 \| good	39.328 \| good	0.354 \| good	1.948 \| good	0.283 \| good
2025-09-06T02:00:00.000Z	75 \| moderate	21.592 \| fine	98.005 \| fine	34.539 \| good	0.296 \| good	3.527 \| good	0.296 \| good
2025-09-06T03:00:00.000Z	71 \| moderate	19.569 \| fine	82.034 \| fine	31.528 \| good	0.24 \| good	6.595 \| good	0.339 \| good
2025-09-06T04:00:00.000Z	73 \| moderate	20.875 \| fine	66.376 \| fine	28.251 \| good	0.352 \| good	5.207 \| good	0.311 \| good
2025-09-06T05:00:00.000Z	75 \| moderate	21.543 \| fine	78.628 \| fine	24.565 \| good	0.361 \| good	4.595 \| good	0.381 \| good
2025-09-06T06:00:00.000Z	75 \| moderate	22.245 \| fine	93.889 \| fine	21.629 \| good	0.26 \| good	6.357 \| good	0.367 \| good
2025-09-06T07:00:00.000Z	77 \| moderate	22.593 \| fine	83.425 \| fine	21.501 \| good	0.353 \| good	6.017 \| good	0.367 \| good
2025-09-06T08:00:00.000Z	79 \| moderate	23.524 \| fine	65.332 \| fine	19.221 \| good	0.386 \| good	6.222 \| good	0.311 \| good
2025-09-06T09:00:00.000Z	77 \| moderate	22.991 \| fine	66.53 \| fine	17.486 \| good	0.299 \| good	8.203 \| good	0.298 \| good
2025-09-06T10:00:00.000Z	77 \| moderate	22.599 \| fine	54.876 \| good	14.682 \| good	0.275 \| good	8.823 \| good	0.257 \| good
2025-09-06T11:00:00.000Z	77 \| moderate	22.938 \| fine	93.091 \| fine	17.723 \| good	0.269 \| good	7.239 \| good	0.229 \| good
2025-09-06T12:00:00.000Z	75 \| moderate	21.774 \| fine	93.361 \| fine	16.88 \| good	0.403 \| good	10.631 \| good	0.229 \| good
2025-09-06T13:00:00.000Z	75 \| moderate	21.671 \| fine	93.555 \| fine	15.391 \| good	0.591 \| good	11.657 \| good	0.318 \| good
2025-09-06T14:00:00.000Z	75 \| moderate	21.671 \| fine	93.555 \| fine	15.391 \| good	0.591 \| good	11.657 \| good	0.318 \| good
2025-09-06T07:00:00.000Z	64 \| moderate	15.975 \| fine	70.836 \| fine	16.986 \| good	0.435 \| good	11.32 \| good	0.256 \| good
2025-09-06T08:00:00.000Z	62 \| moderate	15.419 \| fine	68.9 \| fine	17.785 \| good	0.398 \| good	10.915 \| good	0.249 \| good
2025-09-06T09:00:00.000Z	60 \| moderate	14.242 \| fine	63.578 \| fine	18.447 \| good	0.36 \| good	10.51 \| good	0.242 \| good
2025-09-06T10:00:00.000Z	60 \| moderate	14.226 \| fine	63.493 \| fine	17.154 \| good	0.347 \| good	10.573 \| good	0.238 \| good
2025-09-06T11:00:00.000Z	64 \| moderate	15.504 \| fine	69.441 \| fine	17.156 \| good	0.335 \| good	10.636 \| good	0.234 \| good
2025-09-06T12:00:00.000Z	60 \| moderate	14.312 \| fine	63.996 \| fine	16.075 \| good	0.322 \| good	10.699 \| good	0.23 \| good
2025-09-06T13:00:00.000Z	62 \| moderate	15.319 \| fine	69.001 \| fine	15.07 \| good	0.372 \| good	9.138 \| good	0.231 \| good
2025-09-06T14:00:00.000Z	62 \| moderate	14.525 \| fine	65.352 \| fine	24.2 \| good	0.423 \| good	7.577 \| good	0.232 \| good
2025-09-06T15:00:00.000Z	60 \| moderate	13.629 \| fine	61.037 \| fine	31.482 \| good	0.473 \| good	6.016 \| good	0.233 \| good
2025-09-06T16:00:00.000Z	60 \| moderate	14.122 \| fine	63.29 \| fine	38.477 \| good	0.652 \| good	4.919 \| good	0.223 \| good
2025-09-06T17:00:00.000Z	62 \| moderate	15.356 \| fine	69 \| fine	46.864 \| good	0.831 \| good	3.822 \| good	0.213 \| good
2025-09-06T18:00:00.000Z	64 \| moderate	15.875 \| fine	70.823 \| fine	54.921 \| good	1.01 \| good	2.725 \| good	0.203 \| good
2025-09-06T19:00:00.000Z	71 \| moderate	15.542 \| fine	69.094 \| fine	60.802 \| fine	0.915 \| good	2.203 \| good	0.199 \| good
2025-09-06T20:00:00.000Z	80 \| moderate	15.564 \| fine	69.189 \| fine	63.726 \| fine	0.819 \| good	1.681 \| good	0.196 \| good
2025-09-06T21:00:00.000Z	77 \| moderate	16.274 \| fine	72.705 \| fine	63.299 \| fine	0.724 \| good	1.159 \| good	0.192 \| good
2025-09-06T22:00:00.000Z	67 \| moderate	15.456 \| fine	69.073 \| fine	60.081 \| fine	0.694 \| good	1.449 \| good	0.191 \| good
2025-09-06T23:00:00.000Z	67 \| moderate	16.84 \| fine	74.984 \| fine	60.096 \| fine	0.665 \| good	1.74 \| good	0.191 \| good
2025-09-07T00:00:00.000Z	62 \| moderate	14.549 \| fine	64.969 \| fine	53.826 \| good	0.636 \| good	2.03 \| good	0.19 \| good
2025-09-07T01:00:00.000Z	64 \| moderate	16.222 \| fine	72.689 \| fine	42.682 \| good	0.66 \| good	4.111 \| good	0.209 \| good
2025-09-07T02:00:00.000Z	62 \| moderate	15.421 \| fine	69.183 \| fine	37.638 \| good	0.685 \| good	6.191 \| good	0.229 \| good
2025-09-07T03:00:00.000Z	60 \| moderate	13.894 \| fine	62.177 \| fine	38.42 \| good	0.709 \| good	8.272 \| good	0.248 \| good
2025-09-07T04:00:00.000Z	58 \| moderate	13.461 \| fine	60.089 \| fine	33.731 \| good	0.679 \| good	9.279 \| good	0.252 \| good
2025-09-07T05:00:00.000Z	64 \| moderate	16.242 \| fine	71.617 \| fine	29.019 \| good	0.649 \| good	10.285 \| good	0.255 \| good
2025-09-07T06:00:00.000Z	64 \| moderate	15.899 \| fine	71.064 \| fine	23.563 \| good	0.62 \| good	11.292 \| good	0.259 \| good
2025-09-07T07:00:00.000Z	62 \| moderate	15.379 \| fine	68.89 \| fine	21.171 \| good	0.541 \| good	10.421 \| good	0.244 \| good
2025-09-07T08:00:00.000Z	62 \| moderate	15.491 \| fine	68.942 \| fine	18.63 \| good	0.462 \| good	9.549 \| good	0.23 \| good
2025-09-07T09:00:00.000Z	62 \| moderate	14.805 \| fine	66.645 \| fine	16.457 \| good	0.384 \| good	8.678 \| good	0.215 \| good
2025-09-07T10:00:00.000Z	62 \| moderate	15.207 \| fine	68.528 \| fine	15.801 \| good	0.338 \| good	7.913 \| good	0.202 \| good
2025-09-07T11:00:00.000Z	66 \| moderate	17.296 \| fine	76.967 \| fine	17.974 \| good	0.293 \| good	7.148 \| good	0.189 \| good
2025-09-07T12:00:00.000Z	64 \| moderate	15.7 \| fine	69.757 \| fine	20.085 \| good	0.247 \| good	6.384 \| good	0.176 \| good
2025-09-07T13:00:00.000Z	60 \| moderate	14.349 \| fine	63.757 \| fine	22.663 \| good	0.258 \| good	5.909 \| good	0.178 \| good
2025-09-07T14:00:00.000Z	58 \| moderate	13.148 \| fine	59.344 \| fine	29.543 \| good	0.268 \| good	5.435 \| good	0.18 \| good
2025-09-07T15:00:00.000Z	58 \| moderate	12.636 \| fine	57.132 \| fine	36.382 \| good	0.278 \| good	4.961 \| good	0.182 \| good
2025-09-07T16:00:00.000Z	58 \| moderate	13.348 \| fine	60.308 \| fine	43.473 \| good	0.295 \| good	3.738 \| good	0.165 \| good
2025-09-07T17:00:00.000Z	60 \| moderate	14.17 \| fine	63.012 \| fine	51.323 \| good	0.311 \| good	2.514 \| good	0.148 \| good
2025-09-07T18:00:00.000Z	64 \| moderate	14.86 \| fine	66.577 \| fine	58.693 \| fine	0.328 \| good	1.291 \| good	0.131 \| good
2025-09-07T19:00:00.000Z	80 \| moderate	13.8 \| fine	62.484 \| fine	63.985 \| fine	0.29 \| good	1.131 \| good	0.128 \| good
2025-09-07T20:00:00.000Z	87 \| moderate	13.467 \| fine	60.644 \| fine	65.777 \| fine	0.251 \| good	0.971 \| good	0.124 \| good
2025-09-07T21:00:00.000Z	90 \| moderate	13.632 \| fine	61.285 \| fine	66.512 \| fine	0.213 \| good	0.811 \| good	0.12 \| good
2025-09-07T22:00:00.000Z	90 \| moderate	14.407 \| fine	65.175 \| fine	67.115 \| fine	0.232 \| good	1.103 \| good	0.12 \| good
2025-09-07T23:00:00.000Z	90 \| moderate	15.699 \| fine	69.462 \| fine	67.154 \| fine	0.252 \| good	1.395 \| good	0.121 \| good
2025-09-08T00:00:00.000Z	67 \| moderate	12.129 \| fine	54.427 \| good	59.788 \| fine	0.272 \| good	1.687 \| good	0.121 \| good
2025-09-08T01:00:00.000Z	54 \| moderate	11.181 \| good	49.773 \| good	52.156 \| good	0.334 \| good	4.109 \| good	0.141 \| good
2025-09-08T02:00:00.000Z	54 \| moderate	10.706 \| good	47.199 \| good	47.836 \| good	0.396 \| good	6.531 \| good	0.161 \| good
2025-09-08T03:00:00.000Z	54 \| moderate	10.826 \| good	47.892 \| good	44.468 \| good	0.459 \| good	8.952 \| good	0.181 \| good
2025-09-08T04:00:00.000Z	56 \| moderate	11.955 \| good	53.646 \| good	40.738 \| good	0.446 \| good	9.834 \| good	0.188 \| good
2025-09-08T05:00:00.000Z	58 \| moderate	13.037 \| fine	58.871 \| fine	35.972 \| good	0.434 \| good	10.716 \| good	0.194 \| good
2025-09-08T06:00:00.000Z	52 \| moderate	10.152 \| good	10.926 \| good	24.19 \| good	0.424 \| good	11.704 \| good	0.202 \| good

Johnstown

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Johnstown, Colorado air quality map: Track AQI near you

0.36ppm

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 08:00:00 on 2025-09-06.

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 03:00:00 on 2025-09-06.

What is the current air quality in Johnstown, Colorado?

The current air quality in Johnstown, Colorado is 75, 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 21.671 μg/m³.

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

The current PM₁₀ concentration at Johnstown, Colorado is 93.555 μg/m³.

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

The current carbon monoxide (CO) concentration at Johnstown, Colorado is 0.318 ppm.

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

The current sulfur dioxide (SO₂) concentration at Johnstown, Colorado is 0.591 ppb.

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

The current ozone (O₃) concentration at Johnstown, Colorado is 15.391 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Johnstown, Colorado is 11.657 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-04T15:00:00.000Z	71 \| moderate	19.861 \| fine	80.586 \| fine	29.19 \| good	0.964 \| good	16.656 \| good	0.33 \| good
2025-09-04T16:00:00.000Z	69 \| moderate	19.139 \| fine	57.751 \| fine	26.455 \| good	0.719 \| good	12.92 \| good	0.288 \| good
2025-09-04T17:00:00.000Z	67 \| moderate	18.481 \| fine	72.371 \| fine	40.55 \| good	0.615 \| good	10.812 \| good	0.232 \| good
2025-09-04T18:00:00.000Z	71 \| moderate	20.35 \| fine	70.562 \| fine	42.111 \| good	0.592 \| good	6.093 \| good	0.228 \| good
2025-09-04T19:00:00.000Z	82 \| moderate	25.893 \| fine	74.054 \| fine	49.7 \| good	0.345 \| good	3.289 \| good	0.246 \| good
2025-09-04T20:00:00.000Z	90 \| moderate	29.747 \| fine	69.883 \| fine	54.802 \| good	0.536 \| good	3.997 \| good	0.247 \| good
2025-09-04T21:00:00.000Z	88 \| moderate	29.473 \| fine	78.577 \| fine	58.383 \| fine	0.51 \| good	2.084 \| good	0.26 \| good
2025-09-04T22:00:00.000Z	105 \| sensitive	36.814 \| moderate	66.419 \| fine	60.893 \| fine	0.448 \| good	2.002 \| good	0.32 \| good
2025-09-04T23:00:00.000Z	115 \| sensitive	40.808 \| moderate	95.703 \| fine	58.951 \| fine	0.423 \| good	2.295 \| good	0.306 \| good
2025-09-05T00:00:00.000Z	66 \| moderate	16.649 \| fine	53.685 \| good	58.605 \| fine	0.479 \| good	2.788 \| good	0.326 \| good
2025-09-05T01:00:00.000Z	107 \| sensitive	38.347 \| moderate	80.442 \| fine	57.343 \| fine	0.389 \| good	2.21 \| good	0.358 \| good
2025-09-05T02:00:00.000Z	105 \| sensitive	37.336 \| moderate	59.87 \| fine	59.874 \| fine	0.511 \| good	2.994 \| good	0.354 \| good
2025-09-05T03:00:00.000Z	147 \| sensitive	54.209 \| moderate	157.05 \| moderate	53.687 \| good	0.418 \| good	3.01 \| good	0.312 \| good
2025-09-05T04:00:00.000Z	110 \| sensitive	38.633 \| moderate	61.967 \| fine	41.81 \| good	0.42 \| good	1.545 \| good	0.256 \| good
2025-09-05T05:00:00.000Z	110 \| sensitive	38.557 \| moderate	76.116 \| fine	39.021 \| good	0.42 \| good	1.418 \| good	0.241 \| good
2025-09-05T06:00:00.000Z	94 \| moderate	32.276 \| fine	91.644 \| fine	40.404 \| good	0.419 \| good	1.566 \| good	0.241 \| good
2025-09-05T07:00:00.000Z	115 \| sensitive	41.199 \| moderate	170.875 \| moderate	35.102 \| good	0.265 \| good	1.585 \| good	0.227 \| good
2025-09-05T08:00:00.000Z	102 \| sensitive	36.345 \| moderate	84.047 \| fine	34.856 \| good	0.3 \| good	1.19 \| good	0.227 \| good
2025-09-05T09:00:00.000Z	97 \| moderate	33.781 \| fine	82.078 \| fine	31.25 \| good	0.261 \| good	1.317 \| good	0.241 \| good
2025-09-05T10:00:00.000Z	90 \| moderate	30.451 \| fine	74.429 \| fine	30.326 \| good	0.324 \| good	1.484 \| good	0.2 \| good
2025-09-05T11:00:00.000Z	88 \| moderate	29.235 \| fine	125.037 \| fine	27.777 \| good	0.367 \| good	2.178 \| good	0.215 \| good
2025-09-05T12:00:00.000Z	81 \| moderate	25.078 \| fine	101.316 \| fine	26.949 \| good	0.297 \| good	2.161 \| good	0.215 \| good
2025-09-05T13:00:00.000Z	79 \| moderate	23.774 \| fine	72.065 \| fine	30.504 \| good	0.269 \| good	2.863 \| good	0.215 \| good
2025-09-05T14:00:00.000Z	75 \| moderate	22.464 \| fine	67.435 \| fine	32.943 \| good	0.204 \| good	3.202 \| good	0.2 \| good
2025-09-05T15:00:00.000Z	73 \| moderate	21.092 \| fine	70.837 \| fine	33.661 \| good	0.19 \| good	3.637 \| good	0.241 \| good
2025-09-05T16:00:00.000Z	73 \| moderate	20.871 \| fine	43.876 \| good	34.103 \| good	0.322 \| good	3.556 \| good	0.256 \| good
2025-09-05T17:00:00.000Z	75 \| moderate	21.928 \| fine	50.746 \| good	36.907 \| good	0.264 \| good	2.453 \| good	0.214 \| good
2025-09-05T18:00:00.000Z	75 \| moderate	22.357 \| fine	73.543 \| fine	38.535 \| good	0.259 \| good	2.145 \| good	0.241 \| good
2025-09-05T19:00:00.000Z	75 \| moderate	21.786 \| fine	85.4 \| fine	38.011 \| good	0.443 \| good	2.229 \| good	0.214 \| good
2025-09-05T20:00:00.000Z	73 \| moderate	20.966 \| fine	79.944 \| fine	36.186 \| good	0.407 \| good	2.133 \| good	0.27 \| good
2025-09-05T21:00:00.000Z	71 \| moderate	20.446 \| fine	63.933 \| fine	41.071 \| good	0.324 \| good	2.074 \| good	0.257 \| good
2025-09-05T22:00:00.000Z	73 \| moderate	20.741 \| fine	57.275 \| fine	41.317 \| good	0.353 \| good	2.049 \| good	0.214 \| good
2025-09-05T23:00:00.000Z	75 \| moderate	21.789 \| fine	69.433 \| fine	41.161 \| good	0.319 \| good	1.75 \| good	0.241 \| good
2025-09-06T00:00:00.000Z	77 \| moderate	22.862 \| fine	50.106 \| good	38.729 \| good	0.35 \| good	1.792 \| good	0.255 \| good
2025-09-06T01:00:00.000Z	71 \| moderate	20.356 \| fine	54.262 \| good	39.328 \| good	0.354 \| good	1.948 \| good	0.283 \| good
2025-09-06T02:00:00.000Z	75 \| moderate	21.592 \| fine	98.005 \| fine	34.539 \| good	0.296 \| good	3.527 \| good	0.296 \| good
2025-09-06T03:00:00.000Z	71 \| moderate	19.569 \| fine	82.034 \| fine	31.528 \| good	0.24 \| good	6.595 \| good	0.339 \| good
2025-09-06T04:00:00.000Z	73 \| moderate	20.875 \| fine	66.376 \| fine	28.251 \| good	0.352 \| good	5.207 \| good	0.311 \| good
2025-09-06T05:00:00.000Z	75 \| moderate	21.543 \| fine	78.628 \| fine	24.565 \| good	0.361 \| good	4.595 \| good	0.381 \| good
2025-09-06T06:00:00.000Z	75 \| moderate	22.245 \| fine	93.889 \| fine	21.629 \| good	0.26 \| good	6.357 \| good	0.367 \| good
2025-09-06T07:00:00.000Z	77 \| moderate	22.593 \| fine	83.425 \| fine	21.501 \| good	0.353 \| good	6.017 \| good	0.367 \| good
2025-09-06T08:00:00.000Z	79 \| moderate	23.524 \| fine	65.332 \| fine	19.221 \| good	0.386 \| good	6.222 \| good	0.311 \| good
2025-09-06T09:00:00.000Z	77 \| moderate	22.991 \| fine	66.53 \| fine	17.486 \| good	0.299 \| good	8.203 \| good	0.298 \| good
2025-09-06T10:00:00.000Z	77 \| moderate	22.599 \| fine	54.876 \| good	14.682 \| good	0.275 \| good	8.823 \| good	0.257 \| good
2025-09-06T11:00:00.000Z	77 \| moderate	22.938 \| fine	93.091 \| fine	17.723 \| good	0.269 \| good	7.239 \| good	0.229 \| good
2025-09-06T12:00:00.000Z	75 \| moderate	21.774 \| fine	93.361 \| fine	16.88 \| good	0.403 \| good	10.631 \| good	0.229 \| good
2025-09-06T13:00:00.000Z	75 \| moderate	21.671 \| fine	93.555 \| fine	15.391 \| good	0.591 \| good	11.657 \| good	0.318 \| good
2025-09-06T14:00:00.000Z	75 \| moderate	21.671 \| fine	93.555 \| fine	15.391 \| good	0.591 \| good	11.657 \| good	0.318 \| good
2025-09-06T07:00:00.000Z	64 \| moderate	15.975 \| fine	70.836 \| fine	16.986 \| good	0.435 \| good	11.32 \| good	0.256 \| good
2025-09-06T08:00:00.000Z	62 \| moderate	15.419 \| fine	68.9 \| fine	17.785 \| good	0.398 \| good	10.915 \| good	0.249 \| good
2025-09-06T09:00:00.000Z	60 \| moderate	14.242 \| fine	63.578 \| fine	18.447 \| good	0.36 \| good	10.51 \| good	0.242 \| good
2025-09-06T10:00:00.000Z	60 \| moderate	14.226 \| fine	63.493 \| fine	17.154 \| good	0.347 \| good	10.573 \| good	0.238 \| good
2025-09-06T11:00:00.000Z	64 \| moderate	15.504 \| fine	69.441 \| fine	17.156 \| good	0.335 \| good	10.636 \| good	0.234 \| good
2025-09-06T12:00:00.000Z	60 \| moderate	14.312 \| fine	63.996 \| fine	16.075 \| good	0.322 \| good	10.699 \| good	0.23 \| good
2025-09-06T13:00:00.000Z	62 \| moderate	15.319 \| fine	69.001 \| fine	15.07 \| good	0.372 \| good	9.138 \| good	0.231 \| good
2025-09-06T14:00:00.000Z	62 \| moderate	14.525 \| fine	65.352 \| fine	24.2 \| good	0.423 \| good	7.577 \| good	0.232 \| good
2025-09-06T15:00:00.000Z	60 \| moderate	13.629 \| fine	61.037 \| fine	31.482 \| good	0.473 \| good	6.016 \| good	0.233 \| good
2025-09-06T16:00:00.000Z	60 \| moderate	14.122 \| fine	63.29 \| fine	38.477 \| good	0.652 \| good	4.919 \| good	0.223 \| good
2025-09-06T17:00:00.000Z	62 \| moderate	15.356 \| fine	69 \| fine	46.864 \| good	0.831 \| good	3.822 \| good	0.213 \| good
2025-09-06T18:00:00.000Z	64 \| moderate	15.875 \| fine	70.823 \| fine	54.921 \| good	1.01 \| good	2.725 \| good	0.203 \| good
2025-09-06T19:00:00.000Z	71 \| moderate	15.542 \| fine	69.094 \| fine	60.802 \| fine	0.915 \| good	2.203 \| good	0.199 \| good
2025-09-06T20:00:00.000Z	80 \| moderate	15.564 \| fine	69.189 \| fine	63.726 \| fine	0.819 \| good	1.681 \| good	0.196 \| good
2025-09-06T21:00:00.000Z	77 \| moderate	16.274 \| fine	72.705 \| fine	63.299 \| fine	0.724 \| good	1.159 \| good	0.192 \| good
2025-09-06T22:00:00.000Z	67 \| moderate	15.456 \| fine	69.073 \| fine	60.081 \| fine	0.694 \| good	1.449 \| good	0.191 \| good
2025-09-06T23:00:00.000Z	67 \| moderate	16.84 \| fine	74.984 \| fine	60.096 \| fine	0.665 \| good	1.74 \| good	0.191 \| good
2025-09-07T00:00:00.000Z	62 \| moderate	14.549 \| fine	64.969 \| fine	53.826 \| good	0.636 \| good	2.03 \| good	0.19 \| good
2025-09-07T01:00:00.000Z	64 \| moderate	16.222 \| fine	72.689 \| fine	42.682 \| good	0.66 \| good	4.111 \| good	0.209 \| good
2025-09-07T02:00:00.000Z	62 \| moderate	15.421 \| fine	69.183 \| fine	37.638 \| good	0.685 \| good	6.191 \| good	0.229 \| good
2025-09-07T03:00:00.000Z	60 \| moderate	13.894 \| fine	62.177 \| fine	38.42 \| good	0.709 \| good	8.272 \| good	0.248 \| good
2025-09-07T04:00:00.000Z	58 \| moderate	13.461 \| fine	60.089 \| fine	33.731 \| good	0.679 \| good	9.279 \| good	0.252 \| good
2025-09-07T05:00:00.000Z	64 \| moderate	16.242 \| fine	71.617 \| fine	29.019 \| good	0.649 \| good	10.285 \| good	0.255 \| good
2025-09-07T06:00:00.000Z	64 \| moderate	15.899 \| fine	71.064 \| fine	23.563 \| good	0.62 \| good	11.292 \| good	0.259 \| good
2025-09-07T07:00:00.000Z	62 \| moderate	15.379 \| fine	68.89 \| fine	21.171 \| good	0.541 \| good	10.421 \| good	0.244 \| good
2025-09-07T08:00:00.000Z	62 \| moderate	15.491 \| fine	68.942 \| fine	18.63 \| good	0.462 \| good	9.549 \| good	0.23 \| good
2025-09-07T09:00:00.000Z	62 \| moderate	14.805 \| fine	66.645 \| fine	16.457 \| good	0.384 \| good	8.678 \| good	0.215 \| good
2025-09-07T10:00:00.000Z	62 \| moderate	15.207 \| fine	68.528 \| fine	15.801 \| good	0.338 \| good	7.913 \| good	0.202 \| good
2025-09-07T11:00:00.000Z	66 \| moderate	17.296 \| fine	76.967 \| fine	17.974 \| good	0.293 \| good	7.148 \| good	0.189 \| good
2025-09-07T12:00:00.000Z	64 \| moderate	15.7 \| fine	69.757 \| fine	20.085 \| good	0.247 \| good	6.384 \| good	0.176 \| good
2025-09-07T13:00:00.000Z	60 \| moderate	14.349 \| fine	63.757 \| fine	22.663 \| good	0.258 \| good	5.909 \| good	0.178 \| good
2025-09-07T14:00:00.000Z	58 \| moderate	13.148 \| fine	59.344 \| fine	29.543 \| good	0.268 \| good	5.435 \| good	0.18 \| good
2025-09-07T15:00:00.000Z	58 \| moderate	12.636 \| fine	57.132 \| fine	36.382 \| good	0.278 \| good	4.961 \| good	0.182 \| good
2025-09-07T16:00:00.000Z	58 \| moderate	13.348 \| fine	60.308 \| fine	43.473 \| good	0.295 \| good	3.738 \| good	0.165 \| good
2025-09-07T17:00:00.000Z	60 \| moderate	14.17 \| fine	63.012 \| fine	51.323 \| good	0.311 \| good	2.514 \| good	0.148 \| good
2025-09-07T18:00:00.000Z	64 \| moderate	14.86 \| fine	66.577 \| fine	58.693 \| fine	0.328 \| good	1.291 \| good	0.131 \| good
2025-09-07T19:00:00.000Z	80 \| moderate	13.8 \| fine	62.484 \| fine	63.985 \| fine	0.29 \| good	1.131 \| good	0.128 \| good
2025-09-07T20:00:00.000Z	87 \| moderate	13.467 \| fine	60.644 \| fine	65.777 \| fine	0.251 \| good	0.971 \| good	0.124 \| good
2025-09-07T21:00:00.000Z	90 \| moderate	13.632 \| fine	61.285 \| fine	66.512 \| fine	0.213 \| good	0.811 \| good	0.12 \| good
2025-09-07T22:00:00.000Z	90 \| moderate	14.407 \| fine	65.175 \| fine	67.115 \| fine	0.232 \| good	1.103 \| good	0.12 \| good
2025-09-07T23:00:00.000Z	90 \| moderate	15.699 \| fine	69.462 \| fine	67.154 \| fine	0.252 \| good	1.395 \| good	0.121 \| good
2025-09-08T00:00:00.000Z	67 \| moderate	12.129 \| fine	54.427 \| good	59.788 \| fine	0.272 \| good	1.687 \| good	0.121 \| good
2025-09-08T01:00:00.000Z	54 \| moderate	11.181 \| good	49.773 \| good	52.156 \| good	0.334 \| good	4.109 \| good	0.141 \| good
2025-09-08T02:00:00.000Z	54 \| moderate	10.706 \| good	47.199 \| good	47.836 \| good	0.396 \| good	6.531 \| good	0.161 \| good
2025-09-08T03:00:00.000Z	54 \| moderate	10.826 \| good	47.892 \| good	44.468 \| good	0.459 \| good	8.952 \| good	0.181 \| good
2025-09-08T04:00:00.000Z	56 \| moderate	11.955 \| good	53.646 \| good	40.738 \| good	0.446 \| good	9.834 \| good	0.188 \| good
2025-09-08T05:00:00.000Z	58 \| moderate	13.037 \| fine	58.871 \| fine	35.972 \| good	0.434 \| good	10.716 \| good	0.194 \| good
2025-09-08T06:00:00.000Z	52 \| moderate	10.152 \| good	10.926 \| good	24.19 \| good	0.424 \| good	11.704 \| good	0.202 \| 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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What is the current concentration of PM2.5 in Johnstown, Colorado?

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

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

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

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