What is the air quality in Ashmont today?

The current Air Quality Index (AQI) in Ashmont is 19 (Good). PM2.5 concentration is 4.59 µg/m³.

What is the temperature in Ashmont right now?

The current temperature in Ashmont is 34.7°C (feels like 38.4°C). Humidity is 41.9% and wind speed is 61.0 km/h.

Is it safe to go outside in Ashmont?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 12.9 (Extreme).

Air Quality in Ashmont, United States

Windy

34.7°C · 41.9% humidity

34.7°

Feels 38.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

4 10am

19 1pm

9 4pm

6 7pm

5 10pm

4 1am

4 4am

4 7am

Station readings

CAMS model adj -21

Air Quality Index Trend

47h · 1 stn

View full history →

Ashmont's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

41.9%

Humidity

61.0 km/h

Wind WSW

1013.2 hPa

Pressure

12.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.59 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Ashmont?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station

PM2.54.59 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX12.9

Extreme

Station readings (5 stations within 25 km)

4.59

Median

4.82

Average

0.8

Low

7.7

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +1.2

What is the 7-day forecast for Ashmont?

09-05

34.7° 12.9°

14.5 mm

09-06

20.6° 18.8°

2.5 mm

09-07

21.0° 14.2°

09-08

21.0° 16.4°

5.81 mm

09-09

28.3° 13.0°

0.75 mm

09-10

24.9° 14.0°

1.25 mm

09-11

30.7° 12.0°

Both models agree Avg diff: 4.7°C

Where are air quality stations near Ashmont?

Boston Roxbury

5.2 km PM2.5: 5.3 µg/m³

East Dedham

8.2 km 68.7°C 75.0% RH PM2.5: 0.7 µg/m³ PM10: 1.2 µg/m³

Boston

8.4 km PM2.5: 5.0 µg/m³

Boston

8.4 km PM2.5: 6.5 µg/m³

Lynn Water Treatment Plant

22.7 km PM2.5: 5.0 µg/m³

Lynn Water Treatment Plant

22.7 km PM2.5: 3.8 µg/m³

Brockton

24.7 km PM2.5: 0.2 µg/m³

Brockton

24.7 km PM2.5: 7.7 µg/m³

What cities are near Ashmont?

21 Dorchester 15 Mattapan 15 Milton 15 Roslindale 20 Jamaica Plain 6 Hyde Park 22 Roxbury Crossing 24 South Boston 19 Quincy 22 Mission Hill

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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T17:23 UTC.