Air Quality in Marlborough, United States

Windy
4.6°C · 64.1% humidity
4.6°
Feels -2.1°
9
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast Calibrated
20 10pm
18
19
28 1am
28
28
28 4am
41
41
41 7am
28
28
28 10am
41
41
66 1pm
41
41
28 4pm
28
28
28 7pm
28
28
Station readings
20
18
19
CAMS model adj -9
25
37
37
37
37
37
37
50
50
50
37
37
37
50
50
75
50
50
37
37
37
37
37
37
AD 728×90

PM2.5 Trend (24h)

23h · 2 stations
64.1%
Humidity
52.7 km/h
Wind SSW
1031.7 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Marlborough?

Temperature & Precipitation

PM2.52.23 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250

What is the 7-day forecast for Marlborough?

04-10
18.2° 2.0°
04-11
21.3° 6.3°
04-12
17.1° 4.7°
04-13
12.7° 7.3°
1.63 mm
04-14
25.0° 13.8°
0.19 mm
04-15
22.1° 19.1°
0.56 mm
04-16
12.5° 6.6°
0.06 mm
Both models agree Avg diff: 3.8°C

Where are air quality stations near Marlborough?

23
Worcester Summer St
21.9 km

What cities are near Marlborough?

28 Framingham Center 32 Ashland 27 Sudbury 27 Framingham 42 Shrewsbury 19 Natick 28 Acton 49 Grafton 19 Wellesley 45 Worcester

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T01:44 UTC.