What are the current PM10 levels at Johnstown, Pennsylvania?

The current PM10 levels in Johnstown, Pennsylvania are 53.9 μg/m3.

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

The current sulfur dioxide (SO2) levels in Johnstown, Pennsylvania are 0.884 ppb.

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

The current ozone (O3) levels at Johnstown, Pennsylvania is 46.143 ppm.

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

The current nitrogen dioxide (NO2) levels at Johnstown, Pennsylvania is 3.098 ppb.

Live air quality index in Johnstown, Pennsylvania today

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

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)

Major air pollutants in Johnstown, Pennsylvania

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

11.88 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

53.90 μg/m³

155

255

425

605+

Ozone (O₃)

46.14 ppb

201

201+

Sulfur Dioxide (SO₂)

0.88 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.10 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.31 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
2025-06-04T21:00:00.000Z	73 \| moderate	21.007 \| fine	93.024 \| fine	58.995 \| fine	1.097 \| good	4.481 \| good	0.241 \| good
2025-06-04T22:00:00.000Z	73 \| moderate	20.506 \| fine	90.99 \| fine	57.008 \| fine	1.184 \| good	5.673 \| good	0.241 \| good
2025-06-04T23:00:00.000Z	71 \| moderate	20.11 \| fine	89.042 \| fine	54.034 \| good	1.187 \| good	4.364 \| good	0.241 \| good
2025-06-05T00:00:00.000Z	73 \| moderate	20.606 \| fine	91.016 \| fine	51.035 \| good	1.193 \| good	4.623 \| good	0.281 \| good
2025-06-05T01:00:00.000Z	73 \| moderate	21.499 \| fine	94.97 \| fine	48.041 \| good	1.131 \| good	8.413 \| good	0.3 \| good
2025-06-05T02:00:00.000Z	75 \| moderate	21.897 \| fine	97.002 \| fine	43.026 \| good	1.14 \| good	8.235 \| good	0.3 \| good
2025-06-05T03:00:00.000Z	77 \| moderate	22.599 \| fine	98.976 \| fine	34.06 \| good	1.147 \| good	8.985 \| good	0.3 \| good
2025-06-05T04:00:00.000Z	77 \| moderate	23.292 \| fine	102.945 \| fine	30.089 \| good	1.15 \| good	10.849 \| good	0.28 \| good
2025-06-05T05:00:00.000Z	77 \| moderate	23.392 \| fine	102.937 \| fine	27.081 \| good	1.495 \| good	17.642 \| good	0.32 \| good
2025-06-05T06:00:00.000Z	77 \| moderate	23.095 \| fine	100.957 \| fine	23.119 \| good	1.48 \| good	21.649 \| good	0.26 \| good
2025-06-05T07:00:00.000Z	77 \| moderate	22.997 \| fine	100.993 \| fine	23.112 \| good	1.372 \| good	10.722 \| good	0.261 \| good
2025-06-05T08:00:00.000Z	77 \| moderate	22.698 \| fine	98.95 \| fine	18.126 \| good	1.341 \| good	11.377 \| good	0.261 \| good
2025-06-05T09:00:00.000Z	75 \| moderate	22.099 \| fine	96.959 \| fine	14.099 \| good	1.263 \| good	11.698 \| good	0.28 \| good
2025-06-05T10:00:00.000Z	75 \| moderate	21.509 \| fine	94.98 \| fine	11.099 \| good	1.536 \| good	5.981 \| good	0.28 \| good
2025-06-05T11:00:00.000Z	73 \| moderate	21.215 \| fine	93.041 \| fine	11.162 \| good	1.63 \| good	6.837 \| good	0.24 \| good
2025-06-05T12:00:00.000Z	73 \| moderate	20.821 \| fine	91.04 \| fine	11.151 \| good	1.543 \| good	7.981 \| good	0.301 \| good
2025-06-05T13:00:00.000Z	71 \| moderate	20.127 \| fine	89.076 \| fine	16.166 \| good	1.841 \| good	10.842 \| good	0.241 \| good
2025-06-05T14:00:00.000Z	71 \| moderate	19.931 \| fine	87.095 \| fine	18.199 \| good	1.648 \| good	8.529 \| good	0.241 \| good
2025-06-05T15:00:00.000Z	73 \| moderate	20.525 \| fine	91.098 \| fine	23.2 \| good	1.461 \| good	7.714 \| good	0.241 \| good
2025-06-05T16:00:00.000Z	73 \| moderate	21.024 \| fine	93.047 \| fine	34.148 \| good	1.563 \| good	7.309 \| good	0.241 \| good
2025-06-05T17:00:00.000Z	75 \| moderate	21.524 \| fine	95.088 \| fine	42.095 \| good	1.63 \| good	6.676 \| good	0.241 \| good
2025-06-05T18:00:00.000Z	75 \| moderate	22.121 \| fine	97.036 \| fine	48.052 \| good	1.177 \| good	6.56 \| good	0.221 \| good
2025-06-05T19:00:00.000Z	75 \| moderate	22.22 \| fine	97.07 \| fine	51.055 \| good	1.407 \| good	5.581 \| good	0.221 \| good
2025-06-05T20:00:00.000Z	75 \| moderate	22.122 \| fine	97.088 \| fine	54.013 \| good	1.367 \| good	5.399 \| good	0.201 \| good
2025-06-05T21:00:00.000Z	75 \| moderate	22.024 \| fine	97.087 \| fine	54.027 \| good	1.076 \| good	4.977 \| good	0.241 \| good
2025-06-05T22:00:00.000Z	75 \| moderate	22.127 \| fine	97.119 \| fine	54.012 \| good	1.113 \| good	5.734 \| good	0.241 \| good
2025-06-05T23:00:00.000Z	75 \| moderate	22.027 \| fine	97.12 \| fine	49.02 \| good	1.113 \| good	5.036 \| good	0.241 \| good
2025-06-06T00:00:00.000Z	75 \| moderate	22.02 \| fine	97.073 \| fine	49.964 \| good	0.912 \| good	5.68 \| good	0.241 \| good
2025-06-06T01:00:00.000Z	75 \| moderate	21.997 \| fine	96.966 \| fine	46.029 \| good	0.944 \| good	5.907 \| good	0.241 \| good
2025-06-06T02:00:00.000Z	73 \| moderate	21.486 \| fine	94.935 \| fine	44.001 \| good	0.917 \| good	5.673 \| good	0.26 \| good
2025-06-06T03:00:00.000Z	71 \| moderate	20.082 \| fine	88.892 \| fine	42.999 \| good	1.092 \| good	6.032 \| good	0.3 \| good
2025-06-06T04:00:00.000Z	64 \| moderate	16.114 \| fine	71.047 \| fine	41.992 \| good	1.132 \| good	5.617 \| good	0.28 \| good
2025-06-06T05:00:00.000Z	56 \| moderate	12.248 \| fine	55.208 \| fine	40.968 \| good	1.114 \| good	6.124 \| good	0.3 \| good
2025-06-06T06:00:00.000Z	54 \| moderate	10.754 \| good	48.223 \| good	42.918 \| good	0.922 \| good	5.319 \| good	0.28 \| good
2025-06-06T07:00:00.000Z	52 \| moderate	10.059 \| good	45.252 \| good	42.915 \| good	0.874 \| good	9.771 \| good	0.28 \| good
2025-06-06T08:00:00.000Z	49 \| good	9.459 \| good	42.283 \| good	16.084 \| good	0.977 \| good	9.713 \| good	0.26 \| good
2025-06-06T09:00:00.000Z	49 \| good	9.162 \| good	41.251 \| good	13.11 \| good	0.95 \| good	9.766 \| good	0.28 \| good
2025-06-06T10:00:00.000Z	49 \| good	9.251 \| good	41.215 \| good	9.117 \| good	1.071 \| good	5.434 \| good	0.359 \| good
2025-06-06T11:00:00.000Z	49 \| good	9.354 \| good	42.233 \| good	5.163 \| good	1.122 \| good	5.503 \| good	0.28 \| good
2025-06-06T12:00:00.000Z	49 \| good	9.355 \| good	42.219 \| good	5.176 \| good	1.158 \| good	5.66 \| good	0.46 \| good
2025-06-06T13:00:00.000Z	52 \| moderate	9.542 \| good	43.174 \| good	5.21 \| good	0.786 \| good	10.793 \| good	0.4 \| good
2025-06-06T14:00:00.000Z	52 \| moderate	9.644 \| good	43.183 \| good	5.198 \| good	1.014 \| good	8.631 \| good	0.32 \| good
2025-06-06T15:00:00.000Z	49 \| good	9.326 \| good	42.113 \| good	5.25 \| good	0.976 \| good	7.263 \| good	0.261 \| good
2025-06-06T16:00:00.000Z	33 \| good	6.142 \| good	27.171 \| good	31.06 \| good	0.805 \| good	4.422 \| good	0.201 \| good
2025-06-06T17:00:00.000Z	38 \| good	7.219 \| good	32.032 \| good	37.457 \| good	0.694 \| good	4.072 \| good	0.201 \| good
2025-06-06T18:00:00.000Z	52 \| moderate	10.187 \| good	44.921 \| good	40.145 \| good	0.646 \| good	3.136 \| good	0.251 \| good
2025-06-06T19:00:00.000Z	56 \| moderate	11.879 \| good	53.9 \| good	46.143 \| good	0.884 \| good	3.098 \| good	0.313 \| good
2025-06-06T20:00:00.000Z	56 \| moderate	12.281 \| fine	54.905 \| good	30.074 \| good	0.912 \| good	3.124 \| good	0.371 \| good
2025-06-06T20:00:00.000Z	56 \| moderate	11.879 \| good	53.9 \| good	46.143 \| good	0.884 \| good	3.098 \| good	0.313 \| good
2025-06-06T21:00:00.000Z	61 \| moderate	7.119 \| good	31.277 \| good	57.715 \| fine	1.614 \| good	1.543 \| good	0.214 \| good
2025-06-06T22:00:00.000Z	50 \| good	7.306 \| good	32.359 \| good	53.53 \| good	1.809 \| good	3.659 \| good	0.227 \| good
2025-06-06T23:00:00.000Z	46 \| good	8.151 \| good	35.537 \| good	50.353 \| good	1.923 \| good	3.455 \| good	0.226 \| good
2025-06-07T00:00:00.000Z	44 \| good	7.079 \| good	31.624 \| good	47.781 \| good	2.037 \| good	3.252 \| good	0.224 \| good
2025-06-07T01:00:00.000Z	44 \| good	7.828 \| good	34.485 \| good	41.542 \| good	1.662 \| good	5.112 \| good	0.244 \| good
2025-06-07T02:00:00.000Z	49 \| good	9.219 \| good	40.875 \| good	34.165 \| good	1.806 \| good	4.762 \| good	0.24 \| good
2025-06-07T03:00:00.000Z	49 \| good	9.291 \| good	41.802 \| good	31.539 \| good	1.95 \| good	4.412 \| good	0.236 \| good
2025-06-07T04:00:00.000Z	49 \| good	8.775 \| good	38.207 \| good	30.827 \| good	1.311 \| good	4.812 \| good	0.255 \| good
2025-06-07T05:00:00.000Z	49 \| good	8.99 \| good	40.662 \| good	28.938 \| good	1.515 \| good	4.386 \| good	0.247 \| good
2025-06-07T06:00:00.000Z	52 \| moderate	9.656 \| good	42.945 \| good	26.52 \| good	1.72 \| good	3.959 \| good	0.239 \| good
2025-06-07T07:00:00.000Z	58 \| moderate	13.446 \| fine	60.542 \| fine	22.791 \| good	1.238 \| good	3.897 \| good	0.267 \| good
2025-06-07T08:00:00.000Z	64 \| moderate	16.494 \| fine	72.942 \| fine	20.43 \| good	1.445 \| good	3.51 \| good	0.257 \| good
2025-06-07T09:00:00.000Z	75 \| moderate	22.196 \| fine	97.038 \| fine	12.895 \| good	1.652 \| good	3.124 \| good	0.248 \| good
2025-06-07T10:00:00.000Z	75 \| moderate	21.681 \| fine	95.274 \| fine	15.565 \| good	1.13 \| good	2.545 \| good	0.266 \| good
2025-06-07T11:00:00.000Z	73 \| moderate	21.421 \| fine	93.758 \| fine	16.471 \| good	1.23 \| good	2.327 \| good	0.258 \| good
2025-06-07T12:00:00.000Z	73 \| moderate	21.236 \| fine	93.642 \| fine	14.523 \| good	1.329 \| good	2.108 \| good	0.25 \| good
2025-06-07T13:00:00.000Z	73 \| moderate	21.111 \| fine	93.345 \| fine	15.751 \| good	2.912 \| good	1.48 \| good	0.242 \| good
2025-06-07T14:00:00.000Z	75 \| moderate	22.069 \| fine	97.151 \| fine	16.049 \| good	2.628 \| good	1.356 \| good	0.238 \| good
2025-06-07T15:00:00.000Z	73 \| moderate	20.743 \| fine	91.013 \| fine	36.649 \| good	2.343 \| good	1.233 \| good	0.234 \| good
2025-06-07T16:00:00.000Z	69 \| moderate	19.145 \| fine	84.559 \| fine	47.794 \| good	3.158 \| good	0.876 \| good	0.225 \| good
2025-06-07T17:00:00.000Z	67 \| moderate	17.602 \| fine	77.451 \| fine	54.608 \| good	2.837 \| good	0.795 \| good	0.223 \| good
2025-06-07T18:00:00.000Z	66 \| moderate	16.663 \| fine	73.181 \| fine	52.444 \| good	2.516 \| good	0.714 \| good	0.221 \| good
2025-06-07T19:00:00.000Z	64 \| moderate	16.045 \| fine	71.068 \| fine	55.054 \| fine	3.43 \| good	1.05 \| good	0.227 \| good
2025-06-07T20:00:00.000Z	67 \| moderate	17.554 \| fine	77.099 \| fine	56.13 \| fine	3.027 \| good	0.947 \| good	0.225 \| good
2025-06-07T21:00:00.000Z	71 \| moderate	19.696 \| fine	86.87 \| fine	53.501 \| good	2.624 \| good	0.845 \| good	0.223 \| good
2025-06-07T22:00:00.000Z	75 \| moderate	22.397 \| fine	98.451 \| fine	50.119 \| good	3.02 \| good	3.875 \| good	0.27 \| good
2025-06-07T23:00:00.000Z	81 \| moderate	24.685 \| fine	108.133 \| fine	48.718 \| good	2.63 \| good	3.629 \| good	0.268 \| good
2025-06-08T00:00:00.000Z	73 \| moderate	20.559 \| fine	90.874 \| fine	42.764 \| good	2.241 \| good	3.383 \| good	0.266 \| good
2025-06-08T01:00:00.000Z	77 \| moderate	23.499 \| fine	103.336 \| fine	32.106 \| good	1.866 \| good	6.136 \| good	0.307 \| good
2025-06-08T02:00:00.000Z	81 \| moderate	24.789 \| fine	107.578 \| fine	27.064 \| good	1.584 \| good	5.577 \| good	0.303 \| good
2025-06-08T03:00:00.000Z	86 \| moderate	28.018 \| fine	122.246 \| fine	24.921 \| good	1.302 \| good	5.018 \| good	0.299 \| good
2025-06-08T04:00:00.000Z	84 \| moderate	26.779 \| fine	116.324 \| fine	22.628 \| good	0.878 \| good	3.791 \| good	0.292 \| good
2025-06-08T05:00:00.000Z	79 \| moderate	24.032 \| fine	104.669 \| fine	18.402 \| good	0.723 \| good	3.273 \| good	0.286 \| good
2025-06-08T06:00:00.000Z	67 \| moderate	17.78 \| fine	78.728 \| fine	20.08 \| good	0.568 \| good	2.755 \| good	0.28 \| good
2025-06-08T07:00:00.000Z	60 \| moderate	14.406 \| fine	64.043 \| fine	20.158 \| good	0.603 \| good	1.904 \| good	0.252 \| good
2025-06-08T08:00:00.000Z	56 \| moderate	12.112 \| fine	54.157 \| good	17.099 \| good	0.534 \| good	1.838 \| good	0.248 \| good
2025-06-08T09:00:00.000Z	52 \| moderate	10.454 \| good	46.017 \| good	12.949 \| good	0.466 \| good	1.772 \| good	0.245 \| good
2025-06-08T10:00:00.000Z	56 \| moderate	11.89 \| good	53.451 \| good	16.783 \| good	0.745 \| good	2.261 \| good	0.252 \| good
2025-06-08T11:00:00.000Z	52 \| moderate	10.096 \| good	44.961 \| good	17.629 \| good	0.66 \| good	2.213 \| good	0.249 \| good
2025-06-08T12:00:00.000Z	49 \| good	8.832 \| good	38.718 \| good	21.127 \| good	0.575 \| good	2.165 \| good	0.246 \| good
2025-06-08T13:00:00.000Z	38 \| good	6.948 \| good	30.607 \| good	21.834 \| good	1.586 \| good	2.048 \| good	0.26 \| good
2025-06-08T14:00:00.000Z	49 \| good	8.808 \| good	38.62 \| good	23.546 \| good	1.357 \| good	1.974 \| good	0.258 \| good
2025-06-08T15:00:00.000Z	56 \| moderate	12.039 \| good	53.879 \| good	27.932 \| good	1.129 \| good	1.899 \| good	0.256 \| good
2025-06-08T16:00:00.000Z	60 \| moderate	13.635 \| fine	61.109 \| fine	25.358 \| good	1.568 \| good	1.204 \| good	0.246 \| good
2025-06-08T17:00:00.000Z	58 \| moderate	13.46 \| fine	60.963 \| fine	32.243 \| good	1.317 \| good	1.227 \| good	0.25 \| good
2025-06-08T18:00:00.000Z	60 \| moderate	13.548 \| fine	61.143 \| fine	44.192 \| good	1.067 \| good	1.25 \| good	0.253 \| good
2025-06-08T19:00:00.000Z	56 \| moderate	12.235 \| fine	55.086 \| fine	47.466 \| good	1.417 \| good	1.568 \| good	0.253 \| good
2025-06-08T20:00:00.000Z	45 \| good	8.307 \| good	36.448 \| good	49.377 \| good	1.248 \| good	1.47 \| good	0.257 \| good

Johnstown

Empower business decisions with accurate air quality data

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

0.34ppm

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 01:00:00 on 2025-06-06.

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

The best air quality in Johnstown, Pennsylvania was recorded at 04:00:00 on 2025-06-06.

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

The real-time air quality index in Johnstown, Pennsylvania is 56, 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 11.879 μg/m³.

What are the current PM₁₀ levels at Johnstown, Pennsylvania?

The current PM₁₀ levels in Johnstown, Pennsylvania are 53.9 μg/m³.

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

The current carbon monoxide (CO) level in Johnstown, Pennsylvania is 0.313 ppm.

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

The current sulfur dioxide (SO₂) levels in Johnstown, Pennsylvania are 0.884 ppb.

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

The current ozone (O₃) levels at Johnstown, Pennsylvania is 46.143 ppm.

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

The current nitrogen dioxide (NO₂) levels at Johnstown, Pennsylvania is 3.098 ppb.

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