Air Quality in Hillsborough, United States

Windy
22.9°C · 63.8% humidity
22.9°
Feels 22.9°
45
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast
54 1pm
34
34
45 4pm
40
36
34 7pm
32
30
29 10pm
29
28
28 1am
28
27
27 4am
27
27
27 7am
27
25
25 10am
25
25
AD 728×90

Air Quality Index Trend

48h · 7 stn

Hillsborough's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

63.8%
Humidity
76.1 km/h
Wind NNE
1012.6 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
45
10.77 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Hillsborough?

Temperature & Precipitation

PM2.5 Trend

48h · 7 stations
PM2.510.77 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (3 stations within 25 km)
10.77
Median
11.87
Average
7.7
Low
17.3
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -0.8

What is the 7-day forecast for Hillsborough?

07-21
26.3° 20.6°
0.06 mm
07-22
22.9° 14.9°
0.44 mm
07-23
29.7° 18.5°
24.31 mm
07-24
27.1° 16.4°
1.56 mm
07-25
31.1° 20.3°
4.94 mm
07-26
24.4° 18.1°
5.75 mm
07-27
26.3° 19.9°
1.94 mm
Both models agree Avg diff: 2.8°C

Where are air quality stations near Hillsborough?

7
Flemington, NewJersey, USA
15.8 km PM2.5: 1.7 µg/m³
54
Flemington, NewJersey, USA
15.8 km PM2.5: 13.5 µg/m³
48
Flemington, NewJersey, USA
15.8 km PM2.5: 11.5 µg/m³
29
Flemington, NewJersey, USA
15.8 km PM2.5: 7.0 µg/m³
17
Flemington, NewJersey, USA
15.8 km PM2.5: 4.1 µg/m³
56
Rutgers University, NewJersey, USA
16.8 km PM2.5: 14.5 µg/m³
92
Rutgers University, NewJersey, USA
16.8 km PM2.5: 31.6 µg/m³
38
Rutgers University, NewJersey, USA
16.8 km PM2.5: 9.1 µg/m³
9
Rutgers University, NewJersey, USA
16.8 km PM2.5: 2.2 µg/m³
59
Rutgers University, NewJersey, USA
16.8 km PM2.5: 15.9 µg/m³

What cities are near Hillsborough?

30 Somerset 31 North Brunswick 40 Bridgewater 57 Princeton 31 New Brunswick 20 Warren Township 31 East Brunswick 30 Edison 31 Piscataway 31 South River
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T20:13 UTC.