Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 25°F | 42°F | 33°F | 4.2" |
February | 25°F | 43°F | 34°F | 3.6" |
March | 33°F | 52°F | 42°F | 3.9" |
April | 44°F | 66°F | 54°F | 4.4" |
May | 53°F | 75°F | 63°F | 4.9" |
June | 63°F | 84°F | 72°F | 5.3" |
July | 69°F | 89°F | 78°F | 4.5" |
August | 66°F | 86°F | 76°F | 5.0" |
September | 60°F | 81°F | 69°F | 3.5" |
October | 49°F | 69°F | 58°F | 4.8" |
November | 38°F | 58°F | 47°F | 3.1" |
December | 31°F | 47°F | 38°F | 5.0" |
Index | Glen Rock | New Jersey | National |
Air quality index | 51 | 45 | 42 |
Pollution index | 2,548,930 | 7,246,891 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 169 |
Days with moderate air quality | 180 |
Days w/ poor A.Q. for sensitive groups | 16 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.003% |
Benzene | 0.020% |
Carbon Tetrachloride | 0.003% |
Lead | 0.020% |
Mercury | 0.002% |
City | Population | Air Quality Index | National Avg. |
Englewood, NJ | 28,390 | 51 | 2.0% |
Paterson, NJ | 145,484 | 51 | 2.0% |
Woodland Park, NJ | 12,608 | 51 | 2.0% |
Fort Lee, NJ | 37,843 | 51 | 2.0% |
Little Ferry, NJ | 10,761 | 51 | 2.0% |
Glen Rock, NJ | 11,747 | 51 | 2.0% |
City | Population | Air Quality Index | National Avg. |
Hamilton, ON | 11,739 | n/a | |
Freehold, NJ | 11,755 | 41 | 18.0% |
Archdale, NC | 11,738 | 40 | 20.0% |
Coldstream, BC | 11,728 | n/a | |
Oskaloosa, IA | 11,727 | 39 | 22.0% |
Glen Rock, NJ | 11,747 | 51 | 2.0% |