What is the air quality in Ashmont today?

The current Air Quality Index (AQI) in Ashmont is 54 (Moderate). PM2.5 concentration is 13.55 µg/m³.

What is the temperature in Ashmont right now?

The current temperature in Ashmont is 16.7°C (feels like 16.7°C). Humidity is 95.9% and wind speed is 85.6 km/h.

Air Quality in Ashmont, United States

Drizzle

16.7°C · 95.9% humidity

16.7°

Feels 16.7°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

9 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

63 4pm

54 7pm

53 10pm

53 1am

53 4am

53 7am

53 10am

54 1pm

Station readings

CAMS model adj +29

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.

95.9%

Humidity

85.6 km/h

Wind NNE

1011.4 hPa

Pressure

2.2

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

13.55 µg/m³

PM10

34.3 µg/m³

050100150200300500

What is the weather forecast for Ashmont?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station

PM2.513.55 µg/m³ ✓ WHO

Moderate

PM1034.3 µg/m³

Good

UV INDEX2.2

Moderate

Station readings (9 stations within 25 km)

13.55

Median

12.83

Average

7.9

Low

17.8

High

PM2.5 µg/m³ · Model: 17.65 · Bias: +4.1

What is the 7-day forecast for Ashmont?

07-21

25.9° 18.6°

9.81 mm

07-22

21.5° 15.1°

11.56 mm

07-23

28.4° 16.5°

1.94 mm

07-24

27.9° 15.5°

4.0 mm

07-25

34.7° 19.8°

4.12 mm

07-26

23.8° 16.9°

1.0 mm

07-27

28.5° 14.7°

9.81 mm

Both models agree Avg diff: 3.5°C

Where are air quality stations near Ashmont?

Boston Roxbury

5.2 km PM2.5: 2.2 µg/m³

Nubian Square - DEP Station

5.2 km PM2.5: 13.0 µg/m³

Boston

8.4 km PM2.5: 12.6 µg/m³

Boston

8.4 km PM2.5: 10.1 µg/m³

Milton Blue Hill Observatory

8.8 km PM2.5: 7.7 µg/m³

Magazine Beach Park

8.9 km PM2.5: 15.3 µg/m³ PM10: 17.0 µg/m³

Brockton

24.7 km PM2.5: 6.0 µg/m³

What cities are near Ashmont?

54 Dorchester 54 Mattapan 53 Milton 53 Roslindale 53 Jamaica Plain 53 Hyde Park 48 Roxbury Crossing 59 South Boston 54 Quincy 53 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 2026-07-21T23:12 UTC.