Air Quality in Marblehead, United States
Rain
18.8°C · 96.4% humidity
18.8°
Feels 18.8°
53
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations
Nearby Monitoring Stations
Marblehead's air quality — share it
AQI Forecast
Calibrated
81
1pm
61
61
53
4pm
55
57
58
7pm
59
59
53
10pm
53
51
52
1am
51
51
51
4am
51
51
51
7am
51
51
51
10am
51
51
Station readings
62
65
65
CAMS model
adj +27
54
34
34
34
34
34
34
34
34
27
27
25
25
24
24
24
24
24
24
24
24
24
24
24
Air Quality Index Trend
47h · 1 stnMarblehead's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
96.4%
Humidity
71.9 km/h
Wind NE
1013.9 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
13.19 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Marblehead?
Temperature & Precipitation
PM2.5 Trend
47h · 1 stationPM2.513.19 µg/m³
✓ WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX10.9
Extreme
Station readings (2 stations within 25 km)
13.19
Median
12.5
Average
11.5
Low
13.5
High
PM2.5 µg/m³ · Model: 8.2 · Bias: -5.0
What is the 7-day forecast for Marblehead?
07-21
27.5° 18.8°
5.63 mm
07-22
23.1° 15.4°
16.75 mm
07-23
27.2° 16.7°
2.25 mm
07-24
27.0° 15.4°
3.44 mm
07-25
35.3° 21.1°
4.25 mm
07-26
25.1° 18.1°
0.69 mm
07-27
25.8° 15.5°
9.06 mm
Both models agree
Avg diff: 3.9°C
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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 2026-07-21T20:01 UTC.