Air Quality in Merrimack, United States

Windy
13.9°C · 37.2% humidity
13.9°
Feels 13.9°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast Calibrated
21 5pm
21
21
16 8pm
16
16
28 11pm
28
28
28 2am
28
28
41 5am
41
41
41 8am
41
41
66 11am
66
66
41 2pm
41
41
Station readings
21
21
21
CAMS model adj -9
25
25
25
25
25
25
37
37
37
37
37
37
50
50
50
50
50
50
75
75
75
50
50
50
AD 728×90

PM2.5 Trend (24h)

23h · 1 station
37.2%
Humidity
77.6 km/h
Wind SSW
1031.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Merrimack?

Temperature & Precipitation

PM2.55.92 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250

What is the 7-day forecast for Merrimack?

04-09
13.9° -2.0°
04-10
18.9° 1.4°
04-11
20.5° 6.2°
04-12
17.8° 4.4°
04-13
12.5° 9.2°
3.69 mm
04-14
25.4° 14.1°
0.06 mm
04-15
21.6° 18.1°
3.19 mm
Both models agree Avg diff: 3.9°C

Where are air quality stations near Merrimack?

42
Londonderry - Moose Hill, New Hampshire, USA
9.2 km

What cities are near Merrimack?

25 Nashua 21 Derry 21 Derry Village 21 Dracut 21 Methuen 21 Lowell 21 Chelmsford 24 Westford 21 North Andover 21 Tewksbury

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T20:29 UTC.