Air Quality in Billerica, United States
Drizzle
18.8°C · 52.2% humidity
18.8°
Feels 18.8°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Billerica's air quality — share it
AQI Forecast
27
5pm
25
25
25
8pm
25
25
25
11pm
27
27
27
2am
27
27
27
5am
34
27
27
8am
24
24
24
11am
24
24
25
2pm
25
25
Air Quality Index Trend
46h · 3 stnBillerica's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Billerica is 1.2× the WHO annual guideline of 5 µg/m³.
52.2%
Humidity
30.7 km/h
Wind WSW
1019.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.9 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Billerica?
Temperature & Precipitation
PM2.5 Trend
46h · 3 stationsPM2.55.9 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Billerica?
05-29
18.8° 11.0°
0.13 mm
05-30
24.4° 8.7°
7.12 mm
05-31
25.1° 9.8°
0.13 mm
06-01
23.9° 7.8°
06-02
18.8° 11.7°
0.88 mm
06-03
28.1° 14.8°
06-04
22.5° 17.5°
0.31 mm
Both models agree
Avg diff: 4.8°C
Where are air quality stations near Billerica?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T00:18 UTC.