Air Quality in Northampton, United States

Windy
4.2°C · 63.9% humidity
4.2°
Feels -2.0°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
16 7pm
16
14
26 10pm
26
26
26 1am
26
26
26 4am
39
39
39 7am
64
64
64 10am
64
64
64 1pm
39
39
39 4pm
39
39
Station readings
16
16
CAMS model adj -11
25
25
25
37
37
37
37
37
37
37
50
50
50
75
75
75
75
75
75
50
50
50
50
50
AD 728×90

PM2.5 Trend (24h)

22h · 4 stations
63.9%
Humidity
42.1 km/h
Wind SSW
1031.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Northampton?

Temperature & Precipitation

PM2.53.62 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
3.62
Median
3.62
Average
3.62
Low
3.62
High
PM2.5 µg/m³ · Model: 11.9 · Bias: +8.3

What is the 7-day forecast for Northampton?

04-09
12.5° -3.4°
04-10
17.9° -0.3°
04-11
17.0° 5.8°
04-12
17.1° 4.0°
04-13
13.4° 8.0°
4.25 mm
04-14
25.0° 13.1°
0.38 mm
04-15
21.1° 15.7°
1.19 mm
Both models agree Avg diff: 3.9°C

Where are air quality stations near Northampton?

15
Springfield Collocation - Breathe Easy Berkshires
23.2 km PM2.5: 3.6 µg/m³

What cities are near Northampton?

15 Easthampton 15 South Hadley Amherst Amherst Center 15 Holyoke 15 North Chicopee 15 Chicopee 15 Ludlow 15 Westfield 15 West Springfield

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T22:15 UTC.