Air Quality in Billerica, United States
Rain
16.4°C · 97.6% humidity
16.4°
Feels 16.4°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Billerica's air quality — share it
AQI Forecast
Calibrated
62
2pm
62
62
40
5pm
46
51
54
8pm
56
51
52
11pm
51
51
51
2am
51
51
52
5am
52
52
52
8am
52
52
52
11am
52
53
Station readings
65
65
71
CAMS model
adj +28
34
34
34
34
34
34
34
34
27
27
25
25
24
24
24
24
24
24
24
24
24
24
24
25
Air Quality Index Trend
47h · 1 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.
97.6%
Humidity
62.4 km/h
Wind NNE
1013.7 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.54 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Billerica?
Temperature & Precipitation
PM2.5 Trend
47h · 1 stationPM2.59.54 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX4.4
Moderate
Station readings (1 station within 25 km)
9.54
Median
9.54
Average
9.54
Low
9.54
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +1.3
What is the 7-day forecast for Billerica?
07-21
26.5° 19.6°
3.31 mm
07-22
22.5° 14.3°
12.25 mm
07-23
26.7° 16.6°
1.88 mm
07-24
25.9° 14.7°
1.63 mm
07-25
34.8° 19.7°
3.44 mm
07-26
22.9° 16.2°
2.94 mm
07-27
29.2° 15.2°
2.31 mm
Both models agree
Avg diff: 3.5°C
Where are air quality stations near Billerica?
What cities are near Billerica?
Get AQI alerts for Billerica
Notify me when air quality reaches:
Free · No account · Unsubscribe any time
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T21:28 UTC.