What is the air quality in Brookline today?

The current Air Quality Index (AQI) in Brookline is 14 (Good). PM2.5 concentration is 3.38 µg/m³.

What is the temperature in Brookline right now?

The current temperature in Brookline is 34.1°C (feels like 37.7°C). Humidity is 43.2% and wind speed is 61.4 km/h.

Is it safe to go outside in Brookline?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 7.9 (Very High).

Air Quality in Brookline, United States

Windy

34.1°C · 43.2% humidity

34.1°

Feels 37.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

4 12pm

14 3pm

9 6pm

6 9pm

5 12am

5 3am

5 6am

5 9am

Station readings

CAMS model adj -20

Air Quality Index Trend

47h · 1 stn

View full history →

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

43.2%

Humidity

61.4 km/h

Wind WSW

1013.0 hPa

Pressure

7.9

UV Very High

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

3.38 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Brookline?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station

PM2.53.38 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX7.9

Very High

Station readings (3 stations within 25 km)

3.38

Median

3.09

Average

1.07

Low

4.6

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +2.4

What is the 7-day forecast for Brookline?

09-05

34.1° 13.3°

10.0 mm

09-06

21.2° 17.9°

1.19 mm

09-07

21.1° 14.1°

09-08

19.6° 16.4°

6.75 mm

09-09

28.4° 12.8°

0.62 mm

09-10

24.4° 13.4°

3.25 mm

09-11

30.7° 12.8°

Both models agree Avg diff: 4.8°C

Where are air quality stations near Brookline?

Boston Roxbury

3.2 km PM2.5: 5.3 µg/m³

Boston Roxbury

3.2 km PM2.5: 3.6 µg/m³

Boston

5.9 km PM2.5: 5.0 µg/m³

East Dedham

9.6 km 67.1°C 73.0% RH PM2.5: 1.2 µg/m³ PM10: 1.9 µg/m³

Lynn Water Treatment Plant

20.1 km PM2.5: 4.1 µg/m³

Lynn Water Treatment Plant

20.1 km PM2.5: 4.6 µg/m³

What cities are near Brookline?

15 Mission Hill 15 Fenway/Kenmore 13 Jamaica Plain 15 Roxbury Crossing 14 Allston 15 Back Bay 13 Brighton 12 Chestnut Hill 10 Roslindale 14 Cambridge

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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 2026-09-05T19:25 UTC.