ID: 451

AQSQID: 230090102

Site Name: Bar Harbor - Cadillac Mtn.

Added: April 21, 2020, 6:24 p.m.

Updated: June 27, 2022, 8:06 p.m.

Location: Bar Harbor (Tower Rd), ME

Reporting: True, Located: True

Current AQI: 37.0

Bar Harbor (Tower Rd) ME, US: 44.351665, -68.227219

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
June 27, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A N/A 37.0
 
June 27, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A N/A 36.0
 
June 27, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A N/A 36.0
 
June 27, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A N/A 33.0
 
June 27, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A N/A 33.0
 
June 27, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A N/A 33.0
 
June 27, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A N/A 32.0
 
June 27, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A N/A 32.0
 
June 27, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A N/A 32.0
 
June 27, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A N/A 32.0
 
June 27, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A N/A 32.0
 
June 27, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A N/A 32.0
 
June 27, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A N/A 32.0
 
June 27, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A N/A 32.0
 
June 27, 2022, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A N/A 34.0
 
June 27, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A N/A 38.0
 
June 27, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A N/A 38.0
 
June 27, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
June 27, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
June 27, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
June 27, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A N/A 48.0
 
June 27, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A N/A N/A 81.0
 
June 27, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A N/A N/A 84.0
 
June 27, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (100) N/A N/A N/A 100.0
 
June 27, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 78.0 ppb (105) N/A N/A N/A 105.0
 
June 27, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (100) N/A N/A N/A 100.0
 
June 27, 2022, midnight N/A N/A N/A N/A N/A N/A 73.0 ppb (103) N/A N/A N/A 103.0
 
June 26, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A N/A 50.0
 
June 26, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A N/A 50.0
 
June 26, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A N/A N/A 71.0
 
June 26, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A N/A 74.0
 
June 26, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
June 26, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A N/A 35.0
 
June 26, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 31.0
 
June 26, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 31.0
 
June 26, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
June 26, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
June 26, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
June 26, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
June 26, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A N/A 28.0
 
June 26, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A N/A 28.0
 
June 26, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A N/A 28.0
 
June 26, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
June 26, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
June 26, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 31.0
 
June 26, 2022, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 31.0
 
June 26, 2022, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 31.0
 
June 25, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 31.0
 
June 25, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
June 25, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
June 25, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
June 25, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
June 25, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
June 25, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
June 25, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
June 25, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
June 25, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
June 25, 2022, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A N/A 28.0
 
June 25, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
June 25, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
June 25, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A N/A 38.0
 
June 25, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A N/A 36.0
 
June 25, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A N/A 36.0
 
June 25, 2022, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A N/A 36.0
 
June 24, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A N/A 32.0
 
June 24, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A N/A 32.0
 
June 24, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A N/A 33.0
 
June 24, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A N/A 33.0
 
June 24, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A N/A 33.0
 
June 24, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A N/A 37.0
 
June 24, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A N/A 35.0
 
June 24, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A N/A 32.0
 
June 24, 2022, noon N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 31.0
 
June 24, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A N/A 32.0
 
June 24, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A N/A 32.0
 
June 24, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 31.0
 
June 24, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 31.0
 
June 24, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 31.0
 
June 24, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
June 24, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
June 24, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A N/A 32.0
 
June 24, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A N/A 28.0
 
June 24, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A N/A 25.0
 
June 24, 2022, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A N/A 37.0
 
June 23, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A N/A 32.0
 
June 23, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
June 23, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
June 23, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
June 23, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
June 23, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
June 23, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
June 23, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
June 23, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
June 23, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
June 23, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A N/A 22.0
 
June 23, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A N/A 21.0
 
June 23, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A N/A 21.0
 
June 23, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 20.0
 
June 23, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 20.0
 
June 23, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 16.0
 
June 23, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 15.0
 
June 23, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 15.0
 
June 23, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 15.0
 
June 23, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 14.0
 
June 22, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 16.0
 
June 22, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 16.0
 
June 22, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 17.0
 
June 22, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 17.0
 
June 22, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 17.0
 
June 22, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 18.0
 
June 22, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 18.0
 
June 22, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 18.0
 
June 22, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A N/A 21.0
 
June 22, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A N/A 21.0
 
June 22, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A N/A 21.0
 
June 22, 2022, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 20.0
 
June 22, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A N/A 24.0
 
June 22, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A N/A 23.0
 
June 22, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A N/A 24.0
 
June 22, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A N/A 24.0
 
June 22, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A N/A 22.0
 
June 22, 2022, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A N/A 25.0
 
June 21, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
June 21, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
June 21, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
June 21, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
June 21, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
June 21, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
June 21, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
June 21, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
June 21, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
June 21, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
June 21, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
June 21, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
June 21, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
June 21, 2022, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
June 21, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
June 21, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A N/A 25.0
 
June 21, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A N/A 22.0
 
June 21, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 20.0
 
June 21, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A N/A 24.0
 
June 21, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A N/A 24.0
 
June 20, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A N/A 24.0
 
June 20, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A N/A 24.0
 
June 20, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A N/A 23.0
 
June 20, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 20.0
 
June 20, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 20.0
 
June 20, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 19.0
 
June 20, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 17.0
 
June 20, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 17.0
 
June 20, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 19.0
 
June 20, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 19.0
 
June 20, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 13.0
 
June 20, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 12.0
 
June 20, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 13.0
 
June 20, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 13.0
 
June 20, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 13.0
 
June 20, 2022, midnight N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 13.0
 
June 20, 2022, midnight N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 13.0
 
June 19, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 13.0
 
June 19, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 13.0
 
June 19, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 13.0
 
June 19, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 13.0
 
June 19, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 13.0
 
June 19, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 13.0
 
June 19, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 13.0
 
June 19, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 14.0
 
June 19, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 14.0