Air Quality in Winthrop, United States
Windy
12.7°C · 28.7% humidity
12.7°
Feels 12.7°
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
AQI Forecast
Calibrated
22
5pm
22
21
17
8pm
17
17
17
11pm
17
17
17
2am
17
29
29
5am
29
29
29
8am
29
29
29
11am
29
42
42
2pm
42
42
Station readings
22
22
21
CAMS model
adj -8
25
25
25
25
25
25
25
25
25
25
25
37
37
37
37
37
37
37
37
37
50
50
50
50
PM2.5 Trend (24h)
23h · 2 stations28.7%
Humidity
75.8 km/h
Wind S
1033.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
What is the weather forecast for Winthrop?
Temperature & Precipitation
PM2.55.24 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
5.24
Median
5.24
Average
5.24
Low
5.24
High
PM2.5 µg/m³ · Model: 17.65 · Bias: +12.4
What is the 7-day forecast for Winthrop?
04-09
12.7° 0.6°
04-10
18.6° 4.7°
04-11
23.0° 9.3°
04-12
14.6° 8.4°
04-13
12.6° 8.6°
2.62 mm
04-14
26.9° 13.2°
0.62 mm
04-15
26.4° 18.7°
0.06 mm
Both models agree
Avg diff: 4.6°C
Where are air quality stations near Winthrop?
39
Boston
39
Boston
39
Boston Von Hillern
39
Boston Von Hillern
37
Boston Von Hillern
39
Boston Roxbury
22
Nubian Square - DEP Station
33
Magazine Beach Park
35
Lynn Water Treatment Plant
37
Milton Blue Hill Observatory
What cities are near Winthrop?
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T20:30 UTC.