| Species | Pairs of urban and closest rural sites | ||||
| City | Rural site | Distance (km) | R -.- | Fractions (%) | |
| O3 | Ammarnäs | Tustervatn | 105 | 0.90 | −6 |
| SO2 NH3 NO2 O3 PM2.5 PM10 | Hurdal | Kårvatn | 128 | 0.28 0.28 0.10 0.56 0.52 0.13 | −9 −258 24 −24 47 21 |
| PM2.5 | Fairbanks NCORE | Denali | 138 | -0.00 | 74 |
| PM2.5 PM10 | Fairbanks SOB | Denali | 138 | 0.06 0.14 | 70 44 |
| NO2 | Karasjok | Jergul | 24 | 0.68 | 4 |
| PM2.5 | North Pole Elem. School | Denali | 139 | −0.19 | 62 |
| PM2.5 | North Pole Fire Station | Denali | 141 | −0.25 | 79 |
| PM2.5 | North Pole Newby Park | Denali | 140 | −0.07 | 91 |
| SO2 | Osen | Hummelfjell | 136 | −0.07 | -4 |
| NO2 O3 | Svanvik | Janiskoski | 74 | 0.17 0.75 | −12 −15 |
| PM10 | Svanvik | Karpdalen | 27 | 0.48 | −8 |
| SO2 NH3 O3 | Tjeldbergodden | Kårvatn | 71 | 0.72 0.34 0.85 | −38 −33 15 |
| PM10 | Trapper Creek | Denali site 2 | 125 | 0.43 | −1 |
| O3 | Yellowknife 52nd Ave | Snare Rapids | 143 | 0.44 | −23 |