Air Quality in Winthrop, United States

Windy
8.2°C · 55.0% humidity
8.2°
Feels 2.4°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
20 8pm
20
19
19 11pm
19
19
19 2am
19
31
31 5am
31
31
31 8am
31
31
31 11am
31
44
44 2pm
44
44
44 5pm
44
31
Station readings
20
20
CAMS model adj -6
25
25
25
25
25
25
25
25
37
37
37
37
37
37
37
37
37
50
50
50
50
50
50
37
AD 728×90

PM2.5 Trend (24h)

22h · 2 stations
55.0%
Humidity
63.6 km/h
Wind SSW
1031.9 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Winthrop?

Temperature & Precipitation

PM2.54.86 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (1 station within 25 km)
4.86
Median
4.86
Average
4.86
Low
4.86
High
PM2.5 µg/m³ · Model: 23.4 · Bias: +18.5

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?

40
Boston
6.6 km
37
Boston Von Hillern
8.2 km
39
Boston Von Hillern
8.2 km
20
Nubian Square - DEP Station
9.6 km PM2.5: 4.9 µg/m³
33
Magazine Beach Park
11.1 km PM2.5: 7.9 µg/m³ PM10: 9.2 µg/m³
40
Lynn Water Treatment Plant
11.1 km
35
Lynn Water Treatment Plant
11.1 km
42
Milton Blue Hill Observatory
21.1 km
39
Milton Blue Hill Observatory
21.1 km

What cities are near Winthrop?

20 Orient Heights 20 Revere 20 Chelsea 20 East Boston 20 Charlestown 20 Boston 20 Everett 20 South Boston 20 Malden 20 Back Bay

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T23:07 UTC.