Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 17°F | 36°F | 26°F | 3.0" |
February | 17°F | 38°F | 27°F | 2.8" |
March | 26°F | 47°F | 36°F | 3.4" |
April | 37°F | 63°F | 49°F | 4.1" |
May | 47°F | 73°F | 59°F | 4.0" |
June | 56°F | 80°F | 68°F | 5.8" |
July | 62°F | 86°F | 73°F | 4.8" |
August | 59°F | 84°F | 71°F | 4.4" |
September | 53°F | 77°F | 64°F | 3.7" |
October | 42°F | 65°F | 52°F | 5.9" |
November | 31°F | 53°F | 41°F | 3.0" |
December | 23°F | 41°F | 32°F | 4.2" |
Index | Holyoke | Massachusetts | National |
Air quality index | 40 | 40 | 42 |
Pollution index | 7,859,360 | 8,399,610 | 2,726,193 |
Measurement | Total |
Days measured | 364 |
Days with good air quality | 305 |
Days with moderate air quality | 59 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.030% |
Benzene | 0.070% |
Carbon Tetrachloride | 0.030% |
Lead | 0.320% |
Mercury | 0.070% |
City | Population | Air Quality Index | National Avg. |
Sherwood Manor, CT | 5,901 | 40 | 20.0% |
Westfield, MA | 41,303 | 40 | 20.0% |
Huntington, MA | 675 | 40 | 20.0% |
Granby, MA | 1,183 | 40 | 20.0% |
Northampton, MA | 28,552 | 40 | 20.0% |
Holyoke, MA | 40,161 | 40 | 20.0% |
City | Population | Air Quality Index | National Avg. |
Quincy, IL | 40,111 | 41 | 18.0% |
San Gabriel, CA | 40,108 | 72 | 44.0% |
Hollister, CA | 40,100 | 37 | 26.0% |
Cape Girardeau, MO | 40,100 | 44 | 12.0% |
Newnan, GA | 40,227 | 52 | 4.0% |
Holyoke, MA | 40,161 | 40 | 20.0% |