Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 20°F | 39°F | 29°F | 2.7" |
February | 20°F | 40°F | 30°F | 2.9" |
March | 28°F | 49°F | 38°F | 3.1" |
April | 39°F | 63°F | 50°F | 3.6" |
May | 48°F | 73°F | 60°F | 3.5" |
June | 57°F | 80°F | 68°F | 5.1" |
July | 64°F | 86°F | 74°F | 4.1" |
August | 61°F | 83°F | 72°F | 4.2" |
September | 54°F | 78°F | 65°F | 3.2" |
October | 43°F | 66°F | 54°F | 4.1" |
November | 33°F | 55°F | 43°F | 3.2" |
December | 26°F | 44°F | 35°F | 4.0" |
Index | Wallingford Center | Connecticut | National |
Air quality index | 41 | 43 | 50 |
Pollution index | 14,500,300 | 7,127,531 | 5,066,862 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 280 |
Days with moderate air quality | 71 |
Days w/ poor A.Q. for sensitive groups | 12 |
Days with unhealthy air quality | 2 |
Pollutant | Total |
Arsenic | 0.030% |
Benzene | 0.140% |
Carbon Tetrachloride | 0.050% |
Lead | 0.080% |
Mercury | 0.060% |
City, State | Population | Air Quality Index | National Avg. |
Oakville, CT | 9,133 | 37 | 26% |
Portland, CT | 5,607 | 41 | 18% |
Higganum, CT | 1,745 | 41 | 18% |
New Haven, CT | 130,405 | 41 | 18% |
East Haven, CT | 29,015 | 41 | 18% |
Wallingford Center, CT | 17,634 | 41 | 18% |
City, State | Population | Air Quality Index | National Avg. |
New Castle, IN | 17,634 | 28 | 44% |
Westerly, RI | 17,632 | 37 | 26% |
Helena, AL | 17,630 | 53 | 6% |
Maryland City, MD | 17,647 | 46 | 8% |
Redland, MD | 17,655 | 47 | 6% |
Wallingford Center, CT | 17,634 | 41 | 18% |