What are the current PM10 levels at Johnstown, Pennsylvania?

The current PM10 levels in Johnstown, Pennsylvania are 49.027 μg/m3.

What are the current sulfur dioxide (SO2) levels at Johnstown, Pennsylvania?

The current sulfur dioxide (SO2) levels in Johnstown, Pennsylvania are 0.476 ppb.

What are the current ozone (O3) levels at Johnstown, Pennsylvania?

The current ozone (O3) levels at Johnstown, Pennsylvania is 29.995 ppm.

What are the current nitrogen dioxide (NO2) levels at Johnstown, Pennsylvania?

The current nitrogen dioxide (NO2) levels at Johnstown, Pennsylvania is 4.685 ppb.

Real-time air quality index in Johnstown, Pennsylvania today

Q: What are the current PM2.5 levels in Johnstown, Pennsylvania?

The measured PM2.5 levels in Johnstown, Pennsylvania at present are 11.104 μg/m3.

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

Last updated: ... (Local time)

Common air pollutants in Johnstown, Pennsylvania

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

11.10 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

49.03 μg/m³

155

255

425

605+

Ozone (O₃)

30.00 ppb

201

201+

Sulfur Dioxide (SO₂)

0.48 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.68 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.22 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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Johnstown, Pennsylvania

Scroll To Air Quality Map

Track live Johnstown, Pennsylvania air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-08-11T13:00:00.000Z	54 \| moderate	11.228 \| good	50.131 \| good	38.929 \| good	0.746 \| good	7.993 \| good	0.34 \| good
2026-08-11T14:00:00.000Z	54 \| moderate	11.134 \| good	49.156 \| good	37.953 \| good	0.842 \| good	7.217 \| good	0.42 \| good
2026-08-11T15:00:00.000Z	56 \| moderate	11.844 \| good	52.205 \| good	37.97 \| good	0.556 \| good	5.608 \| good	0.36 \| good
2026-08-11T16:00:00.000Z	62 \| moderate	15.428 \| fine	69.113 \| fine	39.965 \| good	0.658 \| good	5.599 \| good	0.281 \| good
2026-08-11T17:00:00.000Z	62 \| moderate	14.728 \| fine	65.121 \| fine	37.989 \| good	0.55 \| good	5.583 \| good	0.261 \| good
2026-08-11T18:00:00.000Z	60 \| moderate	13.819 \| fine	63.062 \| fine	41.965 \| good	0.856 \| good	3.985 \| good	0.261 \| good
2026-08-11T19:00:00.000Z	58 \| moderate	12.722 \| fine	57.093 \| fine	44.954 \| good	0.808 \| good	3.863 \| good	0.281 \| good
2026-08-11T20:00:00.000Z	56 \| moderate	11.625 \| good	51.121 \| good	46.949 \| good	0.899 \| good	2.784 \| good	0.261 \| good
2026-08-11T21:00:00.000Z	54 \| moderate	10.827 \| good	48.127 \| good	44.974 \| good	0.486 \| good	2.59 \| good	0.28 \| good
2026-08-11T22:00:00.000Z	52 \| moderate	10.426 \| good	46.121 \| good	43.969 \| good	0.415 \| good	2.963 \| good	0.26 \| good
2026-08-11T23:00:00.000Z	52 \| moderate	10.123 \| good	45.131 \| good	39.003 \| good	0.476 \| good	4.548 \| good	0.261 \| good
2026-08-12T00:00:00.000Z	52 \| moderate	10.017 \| good	45.08 \| good	37.994 \| good	0.471 \| good	4.512 \| good	0.24 \| good
2026-08-12T01:00:00.000Z	52 \| moderate	10.111 \| good	45.045 \| good	35.993 \| good	0.533 \| good	5.873 \| good	0.24 \| good
2026-08-12T02:00:00.000Z	54 \| moderate	10.702 \| good	48.005 \| good	34.989 \| good	1.01 \| good	5.359 \| good	0.24 \| good
2026-08-12T03:00:00.000Z	60 \| moderate	13.807 \| fine	61.326 \| fine	22.66 \| good	0.509 \| good	4.059 \| good	0.221 \| good
2026-08-12T04:00:00.000Z	54 \| moderate	11.302 \| good	50.015 \| good	33.973 \| good	0.75 \| good	3.927 \| good	0.24 \| good
2026-08-12T05:00:00.000Z	54 \| moderate	11.299 \| good	49.994 \| good	35.958 \| good	0.749 \| good	3.851 \| good	0.24 \| good
2026-08-12T06:00:00.000Z	54 \| moderate	11.393 \| good	50.971 \| good	30.007 \| good	0.749 \| good	4.95 \| good	0.22 \| good
2026-08-12T07:00:00.000Z	54 \| moderate	11.391 \| good	50.983 \| good	29.996 \| good	0.774 \| good	5.089 \| good	0.22 \| good
2026-08-12T08:00:00.000Z	56 \| moderate	11.59 \| good	50.958 \| good	23.056 \| good	0.761 \| good	4.615 \| good	0.22 \| good
2026-08-12T09:00:00.000Z	56 \| moderate	11.695 \| good	51.965 \| good	23.058 \| good	0.797 \| good	4.75 \| good	0.22 \| good
2026-08-12T10:00:00.000Z	56 \| moderate	11.592 \| good	50.974 \| good	16.119 \| good	0.797 \| good	6.54 \| good	0.22 \| good
2026-08-12T11:00:00.000Z	56 \| moderate	11.595 \| good	50.978 \| good	25.014 \| good	0.81 \| good	7.033 \| good	0.26 \| good
2026-08-12T12:00:00.000Z	54 \| moderate	11.397 \| good	50.977 \| good	26.996 \| good	0.829 \| good	5.135 \| good	0.24 \| good
2026-08-12T13:00:00.000Z	54 \| moderate	11.396 \| good	50.984 \| good	29.993 \| good	0.825 \| good	5.47 \| good	0.28 \| good
2026-08-12T14:00:00.000Z	56 \| moderate	11.598 \| good	50.986 \| good	32.986 \| good	0.511 \| good	7.046 \| good	0.28 \| good
2026-08-12T15:00:00.000Z	56 \| moderate	11.597 \| good	50.992 \| good	38.956 \| good	0.496 \| good	5.732 \| good	0.28 \| good
2026-08-12T16:00:00.000Z	56 \| moderate	11.608 \| good	51.061 \| good	42.944 \| good	0.573 \| good	4.293 \| good	0.3 \| good
2026-08-12T17:00:00.000Z	56 \| moderate	11.811 \| good	52.047 \| good	43.976 \| good	0.477 \| good	3.76 \| good	0.26 \| good
2026-08-12T18:00:00.000Z	58 \| moderate	12.508 \| fine	57.019 \| fine	46.99 \| good	0.463 \| good	3.743 \| good	0.26 \| good
2026-08-12T19:00:00.000Z	58 \| moderate	12.813 \| fine	57.061 \| fine	49.983 \| good	0.445 \| good	3.941 \| good	0.26 \| good
2026-08-12T20:00:00.000Z	58 \| moderate	12.714 \| fine	57.067 \| fine	50.96 \| good	0.439 \| good	3.873 \| good	0.28 \| good
2026-08-12T21:00:00.000Z	58 \| moderate	12.513 \| fine	57.057 \| fine	51.944 \| good	0.527 \| good	3.57 \| good	0.3 \| good
2026-08-12T22:00:00.000Z	58 \| moderate	12.508 \| fine	57.029 \| fine	46.991 \| good	0.515 \| good	2.793 \| good	0.3 \| good
2026-08-12T23:00:00.000Z	56 \| moderate	12.308 \| fine	55.028 \| fine	44.983 \| good	0.437 \| good	4.837 \| good	0.321 \| good
2026-08-13T00:00:00.000Z	56 \| moderate	12.006 \| good	54.026 \| good	41.008 \| good	0.481 \| good	3.1 \| good	0.34 \| good
2026-08-13T01:00:00.000Z	56 \| moderate	11.813 \| good	52.065 \| good	38.972 \| good	0.473 \| good	3.938 \| good	0.321 \| good
2026-08-13T02:00:00.000Z	56 \| moderate	11.906 \| good	54.027 \| good	38.975 \| good	0.486 \| good	4.357 \| good	0.321 \| good
2026-08-13T03:00:00.000Z	56 \| moderate	12.006 \| good	54.028 \| good	37.978 \| good	0.592 \| good	5.077 \| good	0.379 \| good
2026-08-13T04:00:00.000Z	56 \| moderate	12.006 \| good	54.03 \| good	39.946 \| good	0.924 \| good	5.416 \| good	0.399 \| good
2026-08-13T05:00:00.000Z	56 \| moderate	11.811 \| good	52.051 \| good	34.992 \| good	0.497 \| good	5.25 \| good	0.34 \| good
2026-08-13T06:00:00.000Z	56 \| moderate	11.707 \| good	52.054 \| good	33.001 \| good	0.414 \| good	5.142 \| good	0.32 \| good
2026-08-13T07:00:00.000Z	56 \| moderate	11.505 \| good	51.022 \| good	32.993 \| good	0.415 \| good	5.746 \| good	0.32 \| good
2026-08-13T08:00:00.000Z	54 \| moderate	11.205 \| good	50.022 \| good	34.96 \| good	0.416 \| good	4.775 \| good	0.32 \| good
2026-08-13T09:00:00.000Z	54 \| moderate	10.904 \| good	48.028 \| good	31.987 \| good	0.464 \| good	5.004 \| good	0.26 \| good
2026-08-13T10:00:00.000Z	54 \| moderate	11.005 \| good	49.029 \| good	29 \| good	0.476 \| good	4.621 \| good	0.26 \| good
2026-08-13T11:00:00.000Z	54 \| moderate	11.104 \| good	49.027 \| good	29.995 \| good	0.476 \| good	4.685 \| good	0.221 \| good
2026-08-13T12:00:00.000Z	54 \| moderate	11.206 \| good	50.022 \| good	29.001 \| good	0.421 \| good	5.99 \| good	0.241 \| good
2026-08-13T12:00:00.000Z	54 \| moderate	11.104 \| good	49.027 \| good	29.995 \| good	0.476 \| good	4.685 \| good	0.221 \| good
2026-08-13T13:00:00.000Z	58 \| moderate	13.31 \| fine	59.255 \| fine	26.477 \| good	0.614 \| good	1.7 \| good	0.178 \| good
2026-08-13T14:00:00.000Z	58 \| moderate	12.952 \| fine	57.795 \| fine	27.04 \| good	0.771 \| good	1.431 \| good	0.183 \| good
2026-08-13T15:00:00.000Z	60 \| moderate	14.207 \| fine	63.079 \| fine	27.184 \| good	0.837 \| good	1.142 \| good	0.186 \| good
2026-08-13T16:00:00.000Z	58 \| moderate	12.537 \| fine	56.816 \| fine	30.847 \| good	0.866 \| good	0.927 \| good	0.188 \| good
2026-08-13T17:00:00.000Z	56 \| moderate	11.904 \| good	53.667 \| good	34.714 \| good	0.861 \| good	0.725 \| good	0.19 \| good
2026-08-13T18:00:00.000Z	58 \| moderate	12.725 \| fine	57 \| fine	43.95 \| good	0.806 \| good	0.567 \| good	0.191 \| good
2026-08-13T19:00:00.000Z	58 \| moderate	12.653 \| fine	57.125 \| fine	50.732 \| good	0.768 \| good	0.547 \| good	0.192 \| good
2026-08-13T20:00:00.000Z	58 \| moderate	13.327 \| fine	59.585 \| fine	48.314 \| good	0.756 \| good	0.585 \| good	0.193 \| good
2026-08-13T21:00:00.000Z	58 \| moderate	13.272 \| fine	59.552 \| fine	46.647 \| good	0.758 \| good	0.669 \| good	0.195 \| good
2026-08-13T22:00:00.000Z	58 \| moderate	12.932 \| fine	57.448 \| fine	39.316 \| good	0.743 \| good	0.917 \| good	0.2 \| good
2026-08-13T23:00:00.000Z	58 \| moderate	13.365 \| fine	60.85 \| fine	38.457 \| good	0.639 \| good	1.834 \| good	0.216 \| good
2026-08-14T00:00:00.000Z	62 \| moderate	14.997 \| fine	66.879 \| fine	42.886 \| good	0.546 \| good	3.873 \| good	0.245 \| good
2026-08-14T01:00:00.000Z	67 \| moderate	18.272 \| fine	80.433 \| fine	34.919 \| good	0.561 \| good	6.584 \| good	0.275 \| good
2026-08-14T02:00:00.000Z	67 \| moderate	18.111 \| fine	80.326 \| fine	26.681 \| good	0.556 \| good	7.918 \| good	0.295 \| good
2026-08-14T03:00:00.000Z	67 \| moderate	18.162 \| fine	80.364 \| fine	17.32 \| good	0.537 \| good	7.803 \| good	0.298 \| good
2026-08-14T04:00:00.000Z	67 \| moderate	17.645 \| fine	78.284 \| fine	13.235 \| good	0.502 \| good	7.325 \| good	0.295 \| good
2026-08-14T05:00:00.000Z	64 \| moderate	15.722 \| fine	70.462 \| fine	15.943 \| good	0.476 \| good	7.189 \| good	0.294 \| good
2026-08-14T06:00:00.000Z	62 \| moderate	14.915 \| fine	66.338 \| fine	14.145 \| good	0.459 \| good	7.552 \| good	0.296 \| good
2026-08-14T07:00:00.000Z	56 \| moderate	11.782 \| good	53.011 \| good	18.058 \| good	0.447 \| good	8.137 \| good	0.302 \| good
2026-08-14T08:00:00.000Z	49 \| good	8.746 \| good	38.105 \| good	18.287 \| good	0.438 \| good	8.598 \| good	0.306 \| good
2026-08-14T09:00:00.000Z	62 \| moderate	14.521 \| fine	64.441 \| fine	15.276 \| good	0.424 \| good	8.349 \| good	0.304 \| good
2026-08-14T10:00:00.000Z	49 \| good	9.458 \| good	42.013 \| good	9.98 \| good	0.402 \| good	7.577 \| good	0.296 \| good
2026-08-14T11:00:00.000Z	52 \| moderate	9.828 \| good	43.607 \| good	6.599 \| good	0.378 \| good	7.114 \| good	0.293 \| good
2026-08-14T12:00:00.000Z	49 \| good	9.23 \| good	41.188 \| good	12.443 \| good	0.377 \| good	5.368 \| good	0.286 \| good
2026-08-14T13:00:00.000Z	38 \| good	6.518 \| good	28.96 \| good	15.274 \| good	0.442 \| good	2.861 \| good	0.25 \| good
2026-08-14T14:00:00.000Z	33 \| good	5.782 \| good	25.214 \| good	22.099 \| good	0.456 \| good	1.856 \| good	0.237 \| good
2026-08-14T15:00:00.000Z	38 \| good	6.741 \| good	29.879 \| good	31.308 \| good	0.549 \| good	1.231 \| good	0.226 \| good
2026-08-14T16:00:00.000Z	38 \| good	6.783 \| good	29.795 \| good	33.463 \| good	0.591 \| good	1.224 \| good	0.224 \| good
2026-08-14T17:00:00.000Z	44 \| good	7.637 \| good	33.435 \| good	37.45 \| good	0.681 \| good	0.887 \| good	0.222 \| good
2026-08-14T18:00:00.000Z	44 \| good	8.22 \| good	36.117 \| good	46.59 \| good	0.757 \| good	0.706 \| good	0.221 \| good
2026-08-14T19:00:00.000Z	48 \| good	7.192 \| good	31.586 \| good	51.818 \| good	0.819 \| good	0.621 \| good	0.221 \| good
2026-08-14T20:00:00.000Z	44 \| good	8.485 \| good	37.159 \| good	45.113 \| good	0.78 \| good	0.68 \| good	0.22 \| good
2026-08-14T21:00:00.000Z	44 \| good	8.11 \| good	35.428 \| good	42.319 \| good	0.71 \| good	0.815 \| good	0.221 \| good
2026-08-14T22:00:00.000Z	49 \| good	8.861 \| good	39.861 \| good	39.82 \| good	0.571 \| good	1.444 \| good	0.228 \| good
2026-08-14T23:00:00.000Z	44 \| good	7.721 \| good	33.691 \| good	37.769 \| good	0.484 \| good	1.87 \| good	0.232 \| good
2026-08-15T00:00:00.000Z	54 \| moderate	11.311 \| good	49.989 \| good	30.912 \| good	0.453 \| good	3.169 \| good	0.25 \| good
2026-08-15T01:00:00.000Z	56 \| moderate	12.188 \| fine	55.032 \| fine	23.811 \| good	0.436 \| good	4.386 \| good	0.266 \| good
2026-08-15T02:00:00.000Z	52 \| moderate	9.891 \| good	44.04 \| good	20.946 \| good	0.427 \| good	4.165 \| good	0.268 \| good
2026-08-15T03:00:00.000Z	49 \| good	8.662 \| good	37.82 \| good	13.386 \| good	0.401 \| good	3.127 \| good	0.259 \| good
2026-08-15T04:00:00.000Z	44 \| good	8.102 \| good	35.596 \| good	11.855 \| good	0.374 \| good	2.557 \| good	0.251 \| good
2026-08-15T05:00:00.000Z	44 \| good	7.918 \| good	34.786 \| good	10.872 \| good	0.344 \| good	2.365 \| good	0.246 \| good
2026-08-15T06:00:00.000Z	49 \| good	8.684 \| good	8.824 \| good	30.656 \| good	0.311 \| good	2.202 \| good	0.237 \| good
2026-08-15T07:00:00.000Z	49 \| good	8.531 \| good	37.509 \| good	10.286 \| good	0.276 \| good	2.092 \| good	0.226 \| good
2026-08-15T08:00:00.000Z	38 \| good	6.884 \| good	30.211 \| good	9.697 \| good	0.24 \| good	1.945 \| good	0.212 \| good
2026-08-15T09:00:00.000Z	27 \| good	4.828 \| good	21.135 \| good	4.73 \| good	0.207 \| good	1.728 \| good	0.194 \| good
2026-08-15T10:00:00.000Z	27 \| good	5.023 \| good	21.492 \| good	11.417 \| good	0.179 \| good	1.621 \| good	0.179 \| good
2026-08-15T11:00:00.000Z	33 \| good	5.905 \| good	25.503 \| good	9.098 \| good	0.158 \| good	1.564 \| good	0.17 \| good
2026-08-15T12:00:00.000Z	20 \| good	2.803 \| good	2.821 \| good	21.923 \| good	0.133 \| good	1.319 \| good	0.166 \| good

Johnstown

Empower business decisions with accurate air quality data

Johnstown, Pennsylvania air quality map: Real-time AQI near you

0.26ppm

How accurate is Pennsylvania, USA air quality data?

Air quality measurements for Pennsylvania, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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Frequently asked questions

How frequently is the air quality data for Johnstown, Pennsylvania updated?

Air quality data for Johnstown, Pennsylvania is updated on an hourly basis.

When did Johnstown, Pennsylvania experience the worst air quality in the last 24 hours?

The worst air quality in Johnstown, Pennsylvania was recorded at 10:00:00 on 2026-08-12.

When did Johnstown, Pennsylvania have its best air quality in the last 24 hours?

The best air quality in Johnstown, Pennsylvania was recorded at 11:00:00 on 2026-08-13.

What is the real-time air quality index for Johnstown, Pennsylvania?

The real-time air quality index in Johnstown, Pennsylvania is 54, currently categorized as Moderate.

Which pollutant is found most often in Johnstown, Pennsylvania?

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

What can I do if the air quality in Johnstown, Pennsylvania is poor?

If the air quality in Johnstown, Pennsylvania is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Johnstown, Pennsylvania?

The measured PM_2.5 levels in Johnstown, Pennsylvania at present are 11.104 μg/m³.

What are the current PM₁₀ levels at Johnstown, Pennsylvania?

The current PM₁₀ levels in Johnstown, Pennsylvania are 49.027 μg/m³.

What are the current carbon monoxide (CO) levels at Johnstown, Pennsylvania?

The current carbon monoxide (CO) level in Johnstown, Pennsylvania is 0.221 ppm.

What are the current sulfur dioxide (SO₂) levels at Johnstown, Pennsylvania?

The current sulfur dioxide (SO₂) levels in Johnstown, Pennsylvania are 0.476 ppb.

What are the current ozone (O₃) levels at Johnstown, Pennsylvania?

The current ozone (O₃) levels at Johnstown, Pennsylvania is 29.995 ppm.

What are the current nitrogen dioxide (NO₂) levels at Johnstown, Pennsylvania?

The current nitrogen dioxide (NO₂) levels at Johnstown, Pennsylvania is 4.685 ppb.

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