| Site | Years with data availability | ||||||
| SO2 | NH3 | NO2 | O3 | PM2.5 | PM10 | Coordinates (N, E) | |
| Anchorage All State Bldg, US |
|
|
|
| 99-03 |
| 61.1811, −149.8174 |
| Fbks. NCORE, US Fairbanks SOB |
|
|
|
| 99-14 99-13 |
06-12 | 64.8457, −147.7274 64.84067, −147.72246 |
| Whitehorse Main St Whitehorse 2nd Ave Whitehorse 1st St W. Steele St, CN | 74-79
|
| 84-91 95-99 01-08 11-15 |
01-11 11-15 |
01-12 12-15 |
01-03
| 60.72028, −135.05472 60.72028, −135.05472 60.71861, −135.04919 60.71972, −135.05875 |
| Yellowknife 2nd St Y. 52nd Ave, CN Yellowknife 50th St | 96-02 03-15
|
|
03-15 | 98-02 03-15 |
03-14 03-06 |
05-15 03-06 | 63.50833, −116.00861 62.45444, −114.37639 62.45207, −114.364 |
| Voss, NO |
|
|
| 90-03 |
|
| 60.6, 6.533333 |
| Wasilla, US |
|
|
|
| 11-12 |
| 61.5988, −149.45525 |
| Iqaluit RR Office Iqaluit, W. Lab, CN |
|
|
|
15 | 06-14 15 |
| 63.75, −68.51667 63.75162, −68.522433 |
| Lerwick, GB |
|
|
| 05-15 |
|
| 60.139167, −1.185278 |
| Øverbygd, NO | 87-89 |
|
|
|
|
| 69.05, 19.3666667 |
| Palmer, US |
|
|
|
| 12-14 |
| 61.5989, −149.10622 |
| Jokioinen, FI | 72-75 |
|
|
|
|
| 60.82, 23.5 |
| Tiksi, RU |
|
|
| 10-15 |
|
| 71.586166, 128.91992 |
| Andøya, NO | 10-11 |
|
|
|
|
| 69.278333, 16.011666 |
| Jomala, FI | 72-75 |
|
|
|
|
| 60.183333, 19.983333 |
| Barrow, US |
|
|
| 93-16 |
|
| 71.32301, −156.61147 |
| Inuvik King. Rd, CN Inuvik Bompas Rd | 06-11 11-15 |
| 06-11 11-15 | 06-11 11-15 | 06-11 06-11 | 08-11 13-15 | 68.36005, −133.72721 68.35702, −133.71406 |
| South Big Lake, US |
|
|
|
| 00-02 |
| 61.53306, −150.25 |
| Virolahti, FI | 77-88 | 12-14 | 90-13 |
| 06-07 | 02-13 | 60.51667, 27.68333 |
| Bute, US |
|
|
|
| 99-14 | 98-14 | 61.53416, −149.03166 |
| Pinega, RU | 91-98 |
| 91-97 | 96-97 |
|
| 64.7, 43.4 |
| Tangen, NO |
|
|
| 97-98 |
|
| 63.716667, 11.216667 |
| Hurdal, NO | 97-16 | 97-14 | 97-15 | 96-13 | 10-15 | 10-15 | 63.372386, 11.078142 |
| Karasjok, NO | 97-10 | 99-10 | 97-10 | 97-10 |
|
| 69.466667, 25.216667 |
| Ft Smith, CN |
|
| 15 | 15 | 15 | 15 | 60.00455, −111.89324 |
| Vindeln, SE |
|
|
| 88-14 | 02-04 | 02-08 | 64.25, 19.766667 |
| Puumala, FI | 72-75 |
|
|
|
|
| 61.566667, 28.066667 |
| N.P. Elem. S. US North Pole Fire S. N.P. Newby Park |
|
|
|
| 12-13 12-14 13-15 |
| 64.75234, −147.34721 64.76297, −147.3103 64.742, −147.282151 |
| Høylandet, NO | 87-89 |
|
|
|
|
| 64.646965, 12.312422 |
| Osen, NO | 87-03 | 93-03 | 88-03 | 89-03 |
|
| 61.25, 11.7833333 |