Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 26°F | 42°F | 34°F | 6.3" |
February | 24°F | 42°F | 32°F | 4.9" |
March | 31°F | 50°F | 40°F | 7.3" |
April | 46°F | 67°F | 55°F | 5.0" |
May | 56°F | 76°F | 65°F | 9.9" |
June | 64°F | 83°F | 73°F | 8.3" |
July | 71°F | 87°F | 78°F | 8.3" |
August | 67°F | 84°F | 75°F | 7.8" |
September | 61°F | 80°F | 70°F | 4.9" |
October | 54°F | 72°F | 62°F | 6.3" |
November | 38°F | 56°F | 46°F | 5.9" |
December | 33°F | 46°F | 39°F | 5.8" |
Index | Highland Park | New Jersey | National |
Air quality index | 41 | 45 | 42 |
Pollution index | 5,618,710 | 7,246,891 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 280 |
Days with moderate air quality | 83 |
Days w/ poor A.Q. for sensitive groups | 2 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.004% |
Benzene | 0.060% |
Carbon Tetrachloride | 0.020% |
Lead | 0.040% |
Mercury | 0.003% |
City | Population | Air Quality Index | National Avg. |
Peapack and Gladstone, NJ | 2,582 | 34 | 32.0% |
Cranbury, NJ | 2,213 | 41 | 18.0% |
Princeton Meadows, NJ | 14,261 | 41 | 18.0% |
Helmetta, NJ | 2,232 | 41 | 18.0% |
Robertsville, NJ | 11,866 | 41 | 18.0% |
Highland Park, NJ | 13,803 | 41 | 18.0% |
City | Population | Air Quality Index | National Avg. |
Ewa Beach, HI | 13,803 | 30 | 40.0% |
Bexley, OH | 13,805 | 46 | 8.0% |
Taché, MB | 13,799 | n/a | |
Forest Park, IL | 13,808 | 55 | 10.0% |
Havre de Grace, MD | 13,808 | 46 | 8.0% |
Highland Park, NJ | 13,803 | 41 | 18.0% |