Boston Air Quality.
23 | Good | |
Updated on Feb 21, 2025 3:00 AM -Primary pollutant:o3 | ||
Temp.: -5°C - Wind: -m/s 0 -
Air Quality Forecast
-9 ~ -2°C
-13 ~ 0°C
-6 ~ 1°C
-3 ~ 4°C
0 ~ 8°C
| Cur | Min | Max | ||
| PM2.5 | 12 |  | 9 | 37 |
| PM10 | 4 |  | 2 | 22 |
| O3 | 23 |  | 11 | 34 |
| NO2 | 8 |  | 5 | 26 |
| SO2 | 1 |  | 1 | 1 |
| CO | 2 |  | 1 | 6 |
| Temp. | -5 |  | -9 | 2 |
| Pressure | 1011 |  | 981 | 1022 |
| Humidity | 69 |  | 42 | 96 |
| Wind | - |  | 0 | 0 |
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| Share: Boston Air Quality Index |
Air Quality Data source
Air Quality Data provided by the Massachusett Office of Energy and Environmental Affair (mass.gov) and Air Now - US EPA (airnow.gov)
Weather Information
Current conditions for Boston on measured on Friday 3:00:
-5°C
Humidity: 69%Pressure:: 1011mb
Air Quality Forecast
-2°C
-9°C
0°C
-13°C
1°C
-6°C
4°C
-3°C
8°C
0°C
| Friday 21st | Saturday 22nd | Sunday 23rd | Monday 24th | Tuesday 25 | |||||||||||||||||||||||||||||||||||||||||||
| 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 | |||||||||||||||||||||||||||||||||||||||||||||||
6:34 ~ 17:23 | 6:33 ~ 17:25 | 6:31 ~ 17:26 | 6:30 ~ 17:27 | 6:28 ~ 17:29 | |||||||||||||||||||||||||||||||||||||||||||
Forecast plotted using timezone -05:00
Boston Air Pollution Map
Nearest cities:
| 23 | Today at 6:00 AM - 5 hours ago |
| 23 | Today at 6:00 AM - 5 hours ago |
| 23 | Today at 8:00 AM - 3 hours ago |
| 26 | Today at 8:00 AM - 3 hours ago |
| 28 | Today at 6:00 AM - 5 hours ago |
| 24 | Today at 6:00 AM - 5 hours ago |
| 27 | Today at 6:00 AM - 5 hours ago |
| 22 | Today at 7:00 AM - 4 hours ago |
| - | Last Wednesday at 1:00 PM - 2 days ago |
| 26 | Today at 8:00 AM - 3 hours ago |
| 26 | Today at 7:00 AM - 4 hours ago |
| 25 | Today at 7:00 AM - 4 hours ago |
| 26 | Today at 7:00 AM - 4 hours ago |
| 27 | Today at 7:00 AM - 4 hours ago |
| 26 | Today at 6:00 AM - 5 hours ago |
| 23 | Today at 7:00 AM - 4 hours ago |
| 24 | Today at 6:00 AM - 5 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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