Air Quality in Merrimack, United States

Windy
6.3°C · 57.0% humidity
6.3°
Feels 0.4°
12
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast Calibrated
20 9pm
19
18
30 12am
30
30
30 3am
30
43
43 6am
43
43
43 9am
43
68
68 12pm
68
43
43 3pm
43
43
30 6pm
30
30
Station readings
20
19
18
CAMS model adj -7
25
25
37
37
37
37
37
37
50
50
50
50
50
50
75
75
75
50
50
50
50
37
37
37
AD 728×90

PM2.5 Trend (24h)

23h · 1 station
57.0%
Humidity
51.3 km/h
Wind SSW
1030.7 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Merrimack?

Temperature & Precipitation

PM2.52.88 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250

What is the 7-day forecast for Merrimack?

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
04-16
11.5° 5.7°
0.19 mm
Both models agree Avg diff: 3.9°C

Where are air quality stations near Merrimack?

37
Londonderry - Moose Hill, New Hampshire, USA
9.2 km

What cities are near Merrimack?

10 Nashua 19 Derry 19 Derry Village 19 Dracut 19 Methuen 19 Lowell 19 Chelmsford 28 Westford 19 North Andover 19 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 2026-04-10T00:36 UTC.