Air Quality in Chestnut Hill, United States

Drizzle
18.8°C · 91.7% humidity
18.8°
Feels 18.8°
56
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
8 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
62 1pm
62
62
56 4pm
58
59
60 7pm
60
61
54 10pm
54
53
53 1am
52
52
52 4am
52
52
52 7am
52
52
52 10am
52
52
Station readings
62
65
65
71
CAMS model adj +28
34
34
34
34
34
34
34
34
34
27
27
25
25
24
24
24
24
24
24
24
24
24
24
24
AD 728×90

Air Quality Index Trend

48h · 1 stn

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

91.7%
Humidity
61.5 km/h
Wind NE
1014.1 hPa
Pressure
7.9
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
56
14.38 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

What is the weather forecast for Chestnut Hill?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.514.38 µg/m³ ✓ WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX7.9
Very High
AD 300×250
Station readings (8 stations within 25 km)
14.38
Median
12.63
Average
10.6
Low
19.65
High
PM2.5 µg/m³ · Model: 13.7 · Bias: -0.7

What is the 7-day forecast for Chestnut Hill?

07-21
27.2° 18.8°
4.19 mm
07-22
22.7° 14.9°
9.25 mm
07-23
27.7° 16.7°
1.81 mm
07-24
26.5° 14.9°
2.31 mm
07-25
35.5° 20.6°
2.88 mm
07-26
23.5° 17.0°
1.63 mm
07-27
28.8° 14.9°
5.94 mm
Both models agree Avg diff: 3.6°C

Where are air quality stations near Chestnut Hill?

71
Magazine Beach Park
5.0 km PM2.5: 21.5 µg/m³ PM10: 22.5 µg/m³
53
Nubian Square - DEP Station
6.9 km PM2.5: 13.2 µg/m³
9
Boston Roxbury
6.9 km PM2.5: 2.2 µg/m³
52
Boston
9.3 km PM2.5: 12.6 µg/m³
42
Boston
9.3 km PM2.5: 10.1 µg/m³
21
Milton Blue Hill Observatory
13.9 km PM2.5: 5.0 µg/m³

What cities are near Chestnut Hill?

58 Brighton 56 Brookline 53 Jamaica Plain 65 Allston 56 Watertown 55 Mission Hill 53 Roslindale 57 Fenway/Kenmore 53 West Roxbury 52 Roxbury Crossing
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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 2026-07-21T20:45 UTC.