What is the air quality in Back Bay today?

The current Air Quality Index (AQI) in Back Bay is 20 (Good). PM2.5 concentration is 4.82 µg/m³.

What is the temperature in Back Bay right now?

The current temperature in Back Bay is 6.6°C (feels like 3.3°C). Humidity is 59.8% and wind speed is 18.1 km/h.

Is it safe to go outside in Back Bay?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Back Bay, United States

Partly Cloudy

6.6°C · 59.8% humidity

6.6°

Feels 3.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

3 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

47h · 1 stn

View full history →

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

59.8%

Humidity

18.1 km/h

Wind SSE

1029.6 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.82 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Back Bay?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station

PM2.54.82 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (3 stations within 25 km)

4.82

Median

2.88

Average

0.75

Low

5.0

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +1.0

What is the 7-day forecast for Back Bay?

10-20

15.5° 6.5°

15.31 mm

10-21

19.9° 4.9°

10-22

18.6° 6.7°

1.25 mm

10-23

15.4° 4.5°

10-24

12.0° 8.6°

10-25

21.1° 7.4°

29.44 mm

10-26

11.1° 5.6°

4.06 mm

Both models agree Avg diff: 4.4°C

Where are air quality stations near Back Bay?

Boston Roxbury

2.3 km PM2.5: 5.3 µg/m³

Boston Roxbury

2.3 km PM2.5: 5.0 µg/m³

Boston Roxbury

2.3 km PM2.5: 4.3 µg/m³

East Dedham

12.6 km 15.8°C 50.0% RH PM2.5: 0.8 µg/m³ PM10: 1.3 µg/m³

Lynn Water Treatment Plant

16.8 km PM2.5: 4.3 µg/m³

Lynn Water Treatment Plant

16.8 km PM2.5: 2.9 µg/m³

What cities are near Back Bay?

20 Fenway/Kenmore 21 Roxbury Crossing 19 Boston 20 Mission Hill 18 Cambridge 18 Allston 19 Brookline 20 South Boston 18 Charlestown 18 Somerville

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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 2026-10-20T21:44 UTC.