Air Quality in Winthrop, United States
Clear
27.2°C · 29.7% humidity
27.2°
Feels 27.2°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Winthrop's air quality — share it
AQI Forecast
Calibrated
45
7pm
45
45
42
10pm
45
45
45
1am
45
45
45
4am
45
45
45
7am
52
45
52
10am
52
52
45
1pm
45
45
45
4pm
45
45
Station readings
58
CAMS model
adj +18
27
27
27
27
27
27
27
27
27
27
27
27
27
34
27
34
34
34
27
27
27
27
27
27
Air Quality Index Trend
5h · 1 stnWinthrop's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
29.7%
Humidity
39.8 km/h
Wind W
1009.0 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
10.0 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Winthrop?
Temperature & Precipitation
PM2.5 Trend
5h · 1 stationPM2.510.0 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.2
Moderate
What is the 7-day forecast for Winthrop?
08-03
27.2° 17.2°
0.81 mm
08-04
37.9° 19.4°
08-05
29.1° 22.8°
08-06
25.8° 17.0°
0.88 mm
08-07
31.9° 20.9°
5.06 mm
08-08
30.8° 19.4°
0.13 mm
08-09
40.7° 22.7°
Both models agree
Avg diff: 3.9°C
Where are air quality stations near Winthrop?
36
Boston
36
Boston
36
Boston Roxbury
36
Boston Roxbury
53
Nubian Square - DEP Station
58
Magazine Beach Park
30
Lynn Water Treatment Plant
38
Lynn Water Treatment Plant
What cities are near Winthrop?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T02:05 UTC.