Air Quality in Wellesley, United States

Rain
24.5°C · 79.1% humidity
24.5°
Feels 24.5°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast
25 7pm
27
34
26 10pm
21
23
22 1am
23
22
23 4am
23
23
24 7am
24
25
24 10am
24
24
24 1pm
24
24
25 4pm
24
24
AD 728×90

Air Quality Index Trend

46h · 6 stn

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

79.1%
Humidity
53.7 km/h
Wind SW
1009.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
26
6.27 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Wellesley?

Temperature & Precipitation

PM2.5 Trend

46h · 6 stations
PM2.56.27 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (3 stations within 25 km)
6.27
Median
6.19
Average
5.3
Low
7.98
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +0.8

What is the 7-day forecast for Wellesley?

05-30
24.5° 9.2°
8.56 mm
05-31
25.5° 10.0°
0.5 mm
06-01
22.7° 8.1°
06-02
20.9° 12.2°
0.44 mm
06-03
27.3° 14.7°
06-04
22.8° 17.5°
0.13 mm
06-05
23.7° 11.0°
0.69 mm
Both models agree Avg diff: 5.2°C

Where are air quality stations near Wellesley?

34
Milton Blue Hill Observatory
17.5 km PM2.5: 8.2 µg/m³
33
Nubian Square - DEP Station
17.6 km PM2.5: 8.0 µg/m³
25
Boston Roxbury
17.7 km PM2.5: 6.0 µg/m³
20
Boston
20.3 km PM2.5: 4.8 µg/m³
7
Boston
20.3 km PM2.5: 1.7 µg/m³

What cities are near Wellesley?

27 Natick 26 Needham 26 Waltham 24 Framingham 28 Chestnut Hill 24 Framingham Center 27 West Roxbury 24 Dedham 27 Watertown 28 Brighton
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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 2026-05-30T02:29 UTC.