Lancaster, Pennsylvania Air Quality.
42 | Good | |
Updated on Mar 11, 2025 12:00 PM -Primary pollutant:o3 | ||
Temp.: 19°C - Wind: 3m/s 0 -
Air Quality Forecast
5 ~ 19°C
4 ~ 15°C
3 ~ 13°C
3 ~ 12°C
5 ~ 18°C
| Cur | Min | Max | ||
| PM2.5 | 30 |  | 8 | 67 |
| PM10 | 17 |  | 3 | 59 |
| O3 | 42 |  | 1 | 42 |
| NO2 | 7 |  | 2 | 45 |
| SO2 | 2 |  | 0 | 5 |
| Temp. | 19 |  | -3 | 19 |
| Pressure | 1006 |  | 1003 | 1015 |
| Humidity | 33 |  | 16 | 79 |
| Wind | 3 |  | 0 | 9 |
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| Share: Lancaster, Pennsylvania, USA Air Quality Index |
Air Quality Data source
Air Quality Data provided by the Bureau of Air Quality, Pennsylvania's Department of Environmental Protection (dep.pa.gov) and Air Now - US EPA (airnow.gov)
Weather Information
Current conditions for Lancaster, Pennsylvania on measured on Tuesday 12:00:
19°C
Humidity: 33%Pressure:: 1006mb
Air Quality Forecast
19°C
5°C
15°C
4°C
13°C
3°C
12°C
3°C
18°C
5°C
| Tuesday 11th | Wednesday 12th | Thursday 13th | Friday 14th | Saturday 15 | |||||||||||||||||||||||||||||||||||||||||||
| 0 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 0 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 0 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 0 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 0 | 3 | 6 | 9 | 12 | 15 | 18 | |||||||||
| PM2.5 | |||||||||||||||||||||||||||||||||||||||||||||||
7:25 ~ 19:07 | 7:24 ~ 19:08 | 7:22 ~ 19:09 | 7:21 ~ 19:10 | 7:19 ~ 19:11 | |||||||||||||||||||||||||||||||||||||||||||
Forecast plotted using timezone -04:00
Lancaster, Pennsylvania Air Pollution Map
Nearest cities:
| 42 | Today at 5:00 PM - 2 hours ago |
| 39 | Today at 5:00 PM - 2 hours ago |
| 45 | Today at 5:00 PM - 2 hours ago |
| 44 | Today at 5:00 PM - 2 hours ago |
| 41 | Today at 5:00 PM - 2 hours ago |
| 45 | Today at 5:00 PM - 2 hours ago |
| 42 | Today at 5:00 PM - 2 hours ago |
| 43 | Today at 6:00 PM - an hour ago |
| 40 | Today at 5:00 PM - 2 hours ago |
| 38 | Today at 6:00 PM - an hour ago |
| 42 | Today at 6:00 PM - an hour ago |
| 38 | Today at 6:00 PM - an hour ago |
| 42 | Today at 6:00 PM - an hour ago |
| 25 | Today at 6:00 PM - an hour ago |
| 35 | Today at 5:00 PM - 2 hours ago |
| 32 | Today at 5:00 PM - 2 hours ago |
| 35 | Today at 5:00 PM - 2 hours ago |
| 34 | Today at 5:00 PM - 2 hours ago |
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About the Air Quality and Pollution Measurement:
| AQI | Air Pollution Level | Health Implications | Cautionary Statement (for PM2.5) |
| 0 - 50 | Good | Air quality is considered satisfactory, and air pollution poses little or no risk | None |
| 51 -100 | Moderate | Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution. | Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion. |
| 101-150 | Unhealthy for Sensitive Groups | Members of sensitive groups may experience health effects. The general public is not likely to be affected. | Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion. |
| 151-200 | Unhealthy | Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects | Active children and adults, and people with respiratory disease, such as asthma, should avoid prolonged outdoor exertion; everyone else, especially children, should limit prolonged outdoor exertion |
| 201-300 | Very Unhealthy | Health warnings of emergency conditions. The entire population is more likely to be affected. | Active children and adults, and people with respiratory disease, such as asthma, should avoid all outdoor exertion; everyone else, especially children, should limit outdoor exertion. |
| 300+ | Hazardous | Health alert: everyone may experience more serious health effects | Everyone should avoid all outdoor exertion |
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