ID: 452

AQSQID: 230090103

Site Name: Acadia Np - Mcfarland

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

Updated: June 2, 2020, 11:32 a.m.

Location: Bar Harbor (Eagle Lake Rd), ME

Reporting: True, Located: True

Current AQI: 5.0

Bar Harbor (Eagle Lake Rd) ME, US: 44.377048, -68.260902

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
June 2, 2020, 10 a.m. N/A 0.1 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) N/A N/A N/A 1.3 μg/m3 (5) 5.0
 
June 2, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 1.4 μg/m3 (6) 23.0
 
June 2, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 1.3 μg/m3 (5) 25.0
 
June 2, 2020, 7 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 1.0 μg/m3 (4) 22.0
 
June 2, 2020, 6 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 0.8 μg/m3 (3) 25.0
 
June 2, 2020, 5 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 0.9 μg/m3 (4) 25.0
 
June 2, 2020, 4 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 0.7 μg/m3 (3) 25.0
 
June 2, 2020, 3 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 1.4 μg/m3 (6) 25.0
 
June 2, 2020, 2 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 1.6 μg/m3 (7) 25.0
 
June 2, 2020, 1 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 1.0 μg/m3 (4) 26.0
 
June 2, 2020, midnight N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 0.9 μg/m3 (4) 27.0
 
June 1, 2020, 11 p.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 0.9 μg/m3 (4) 28.0
 
June 1, 2020, 10 p.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 0.8 μg/m3 (3) 28.0
 
June 1, 2020, 9 p.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 0.9 μg/m3 (4) 28.0
 
June 1, 2020, 8 p.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 0.8 μg/m3 (3) 27.0
 
June 1, 2020, 7 p.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 0.9 μg/m3 (4) 28.0
 
June 1, 2020, 6 p.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 0.8 μg/m3 (3) 27.0
 
June 1, 2020, 5 p.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 0.8 μg/m3 (3) 27.0
 
June 1, 2020, 4 p.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 0.8 μg/m3 (3) 26.0
 
June 1, 2020, 3 p.m. N/A 0.1 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 0.8 μg/m3 (3) 25.0
 
June 1, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 0.8 μg/m3 (3) 23.0
 
June 1, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 0.8 μg/m3 (3) 21.0
 
June 1, 2020, noon N/A 0.1 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 0.0 μg/m3 (0) 20.0
 
June 1, 2020, 11 a.m. N/A 0.1 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A -0.1 μg/m3 (0) 18.0
 
June 1, 2020, 10 a.m. N/A 0.1 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 0.0 μg/m3 (0) 17.0
 
June 1, 2020, 9 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A -0.1 μg/m3 (0) 18.0
 
June 1, 2020, 8 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A -0.1 μg/m3 (0) 18.0
 
June 1, 2020, 7 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 0.0 μg/m3 (0) 18.0
 
June 1, 2020, 6 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 0.0 μg/m3 (0) 18.0
 
June 1, 2020, 5 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 0.0 μg/m3 (0) 19.0
 
June 1, 2020, 4 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 0.0 μg/m3 (0) 20.0
 
June 1, 2020, 3 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 0.0 μg/m3 (0) 21.0
 
June 1, 2020, 2 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 0.0 μg/m3 (0) 22.0
 
June 1, 2020, 1 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 0.4 μg/m3 (2) 22.0
 
June 1, 2020, midnight N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 0.3 μg/m3 (1) 23.0
 
May 31, 2020, 11 p.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 0.3 μg/m3 (1) 22.0
 
May 31, 2020, 10 p.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 0.7 μg/m3 (3) 25.0
 
May 31, 2020, 9 p.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 0.6 μg/m3 (2) 27.0
 
May 31, 2020, 8 p.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 0.7 μg/m3 (3) 27.0
 
May 31, 2020, 7 p.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 0.3 μg/m3 (1) 25.0
 
May 31, 2020, 6 p.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 0.4 μg/m3 (2) 26.0
 
May 31, 2020, 5 p.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 0.4 μg/m3 (2) 25.0
 
May 31, 2020, 4 p.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 0.2 μg/m3 (1) 25.0
 
May 31, 2020, 3 p.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 0.1 μg/m3 (0) 21.0
 
May 31, 2020, 2 p.m. N/A 0.1 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 0.2 μg/m3 (1) 16.0
 
May 31, 2020, 1 p.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 0.1 μg/m3 (0) 16.0
 
May 31, 2020, noon N/A 0.1 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 0.1 μg/m3 (0) 17.0
 
May 31, 2020, 11 a.m. N/A 0.1 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 1.2 μg/m3 (5) 18.0
 
May 31, 2020, 10 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 1.9 μg/m3 (8) 14.0
 
May 31, 2020, 9 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 2.2 μg/m3 (9) 14.0
 
May 31, 2020, 8 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 1.6 μg/m3 (7) 18.0
 
May 31, 2020, 7 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 0.8 μg/m3 (3) 25.0
 
May 31, 2020, 6 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 0.5 μg/m3 (2) 28.0
 
May 31, 2020, 5 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 0.5 μg/m3 (2) 28.0
 
May 31, 2020, 4 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 0.7 μg/m3 (3) 29.0
 
May 31, 2020, 3 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 0.8 μg/m3 (3) 29.0
 
May 31, 2020, 2 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 0.7 μg/m3 (3) 29.0
 
May 31, 2020, 1 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 1.2 μg/m3 (5) 29.0
 
May 31, 2020, midnight N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 2.6 μg/m3 (11) 25.0
 
May 30, 2020, 11 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 3.1 μg/m3 (13) 23.0
 
May 30, 2020, 10 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
May 30, 2020, 9 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 2.1 μg/m3 (9) 24.0
 
May 30, 2020, 8 p.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 2.9 μg/m3 (12) 24.0
 
May 30, 2020, 7 p.m. N/A 0.1 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 3.2 μg/m3 (13) 26.0
 
May 30, 2020, 6 p.m. N/A 0.1 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 2.7 μg/m3 (11) 26.0
 
May 30, 2020, 5 p.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 2.9 μg/m3 (12) 23.0
 
May 30, 2020, 4 p.m. N/A 0.1 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 3.6 μg/m3 (15) 19.0
 
May 30, 2020, 3 p.m. N/A 0.1 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 3.1 μg/m3 (13) 15.0
 
May 30, 2020, 2 p.m. N/A 0.1 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 1.9 μg/m3 (8) 13.0
 
May 30, 2020, 1 p.m. N/A 0.1 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 1.0 μg/m3 (4) 13.0
 
May 30, 2020, noon N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A -0.4 μg/m3 (0) 12.0
 
May 30, 2020, 11 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A -0.4 μg/m3 (0) 12.0
 
May 30, 2020, 10 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A -0.4 μg/m3 (0) 12.0
 
May 30, 2020, 9 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A -0.2 μg/m3 (0) 12.0
 
May 30, 2020, 8 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A -0.1 μg/m3 (0) 12.0
 
May 30, 2020, 7 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 0.3 μg/m3 (1) 12.0
 
May 30, 2020, 6 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 0.5 μg/m3 (2) 12.0
 
May 30, 2020, 5 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 0.3 μg/m3 (1) 12.0
 
May 30, 2020, 4 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 0.1 μg/m3 (0) 12.0
 
May 30, 2020, 3 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 0.4 μg/m3 (2) 12.0
 
May 30, 2020, 2 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 1.0 μg/m3 (4) 12.0
 
May 30, 2020, 1 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 1.1 μg/m3 (5) 13.0
 
May 30, 2020, midnight N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 1.2 μg/m3 (5) 14.0
 
May 29, 2020, 11 p.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 1.5 μg/m3 (6) 15.0
 
May 29, 2020, 10 p.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 2.8 μg/m3 (12) 16.0
 
May 29, 2020, 9 p.m. N/A 0.1 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 3.2 μg/m3 (13) 18.0
 
May 29, 2020, 8 p.m. N/A 0.1 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 3.7 μg/m3 (15) 19.0
 
May 29, 2020, 7 p.m. N/A 0.1 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 3.3 μg/m3 (14) 18.0
 
May 29, 2020, 6 p.m. N/A 0.1 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 3.1 μg/m3 (13) 18.0
 
May 29, 2020, 5 p.m. N/A 0.1 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 3.4 μg/m3 (14) 17.0
 
May 29, 2020, 4 p.m. N/A 0.1 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 2.8 μg/m3 (12) 15.0
 
May 29, 2020, 3 p.m. N/A 0.1 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 1.7 μg/m3 (7) 13.0
 
May 29, 2020, 2 p.m. N/A 0.1 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 1.0 μg/m3 (4) 12.0
 
May 29, 2020, 1 p.m. N/A 0.1 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 0.9 μg/m3 (4) 11.0
 
May 29, 2020, noon N/A 0.1 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 0.8 μg/m3 (3) 11.0
 
May 29, 2020, 11 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 0.3 μg/m3 (1) 11.0
 
May 29, 2020, 10 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 0.3 μg/m3 (1) 11.0
 
May 29, 2020, 9 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 0.3 μg/m3 (1) 12.0
 
May 29, 2020, 8 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 1.8 μg/m3 (8) 12.0
 
May 29, 2020, 7 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 2.3 μg/m3 (10) 13.0
 
May 29, 2020, 6 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 2.8 μg/m3 (12) 15.0
 
May 29, 2020, 5 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 3.2 μg/m3 (13) 15.0
 
May 29, 2020, 4 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 4.5 μg/m3 (19) 19.0
 
May 29, 2020, 3 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 5.1 μg/m3 (21) 21.0
 
May 29, 2020, 2 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 6.0 μg/m3 (25) 25.0
 
May 29, 2020, 1 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 6.2 μg/m3 (26) 26.0
 
May 29, 2020, midnight N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 6.5 μg/m3 (27) 27.0
 
May 28, 2020, 11 p.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 7.3 μg/m3 (30) 30.0
 
May 28, 2020, 10 p.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 7.9 μg/m3 (33) 33.0
 
May 28, 2020, 9 p.m. N/A 0.1 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 7.1 μg/m3 (30) 30.0
 
May 28, 2020, 8 p.m. N/A 0.1 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 4.3 μg/m3 (18) 22.0
 
May 28, 2020, 7 p.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 3.1 μg/m3 (13) 22.0
 
May 28, 2020, 6 p.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 3.1 μg/m3 (13) 22.0
 
May 28, 2020, 5 p.m. N/A 0.1 ppb (0) 1.1 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 3.3 μg/m3 (14) 22.0
 
May 28, 2020, 4 p.m. N/A 0.1 ppb (0) 1.2 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 3.2 μg/m3 (13) 22.0
 
May 28, 2020, 3 p.m. N/A 0.1 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
May 28, 2020, 2 p.m. N/A 0.1 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 2.5 μg/m3 (10) 16.0
 
May 28, 2020, 1 p.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 2.2 μg/m3 (9) 16.0
 
May 28, 2020, noon N/A 0.1 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 1.7 μg/m3 (7) 15.0
 
May 28, 2020, 11 a.m. N/A 0.2 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 1.6 μg/m3 (7) 15.0
 
May 28, 2020, 10 a.m. N/A 0.1 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 1.3 μg/m3 (5) 15.0
 
May 28, 2020, 9 a.m. N/A 0.1 ppb (0) 1.1 ppb (1) N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 1.1 μg/m3 (5) 15.0
 
May 28, 2020, 8 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 0.9 μg/m3 (4) 15.0
 
May 28, 2020, 7 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 1.0 μg/m3 (4) 16.0
 
May 28, 2020, 6 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 1.9 μg/m3 (8) 17.0
 
May 28, 2020, 5 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
May 28, 2020, 4 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 1.6 μg/m3 (7) 18.0
 
May 28, 2020, 3 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 1.6 μg/m3 (7) 20.0
 
May 28, 2020, 2 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 1.9 μg/m3 (8) 21.0
 
May 28, 2020, 1 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 1.8 μg/m3 (8) 22.0
 
May 28, 2020, midnight N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 1.7 μg/m3 (7) 22.0
 
May 27, 2020, 11 p.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 1.7 μg/m3 (7) 22.0
 
May 27, 2020, 10 p.m. N/A 0.1 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 2.1 μg/m3 (9) 24.0
 
May 27, 2020, 9 p.m. N/A 0.1 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 2.0 μg/m3 (8) 25.0
 
May 27, 2020, 8 p.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 2.6 μg/m3 (11) 28.0
 
May 27, 2020, 7 p.m. N/A 0.1 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 3.6 μg/m3 (15) 29.0
 
May 27, 2020, 6 p.m. N/A 0.1 ppb (0) 1.1 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 3.5 μg/m3 (15) 31.0
 
May 27, 2020, 5 p.m. N/A 0.1 ppb (0) 1.5 ppb (1) N/A N/A N/A 40.0 ppb (31) N/A N/A 4.3 μg/m3 (18) 31.0
 
May 27, 2020, 4 p.m. N/A 0.1 ppb (0) 1.8 ppb (2) N/A N/A N/A 38.0 ppb (29) N/A N/A 5.2 μg/m3 (22) 29.0
 
May 27, 2020, 3 p.m. N/A 0.2 ppb (0) 2.3 ppb (2) N/A N/A N/A 36.0 ppb (28) N/A N/A 5.6 μg/m3 (23) 28.0
 
May 27, 2020, 2 p.m. N/A 0.2 ppb (0) 2.1 ppb (2) N/A N/A N/A 30.0 ppb (23) N/A N/A 4.8 μg/m3 (20) 23.0
 
May 27, 2020, 1 p.m. N/A 0.3 ppb (0) 1.9 ppb (2) N/A N/A N/A 24.0 ppb (18) N/A N/A 3.5 μg/m3 (15) 18.0
 
May 27, 2020, noon N/A 0.3 ppb (0) 1.5 ppb (1) N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 1.9 μg/m3 (8) 15.0
 
May 27, 2020, 11 a.m. N/A 0.2 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 1.5 μg/m3 (6) 11.0
 
May 27, 2020, 10 a.m. N/A 0.1 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 1.7 μg/m3 (7) 12.0
 
May 27, 2020, 9 a.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 0.9 μg/m3 (4) 12.0
 
May 27, 2020, 8 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 0.2 μg/m3 (1) 14.0
 
May 27, 2020, 7 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 0.0 μg/m3 (0) 14.0
 
May 27, 2020, 6 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A -0.4 μg/m3 (0) 15.0
 
May 27, 2020, 5 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A -0.4 μg/m3 (0) 15.0
 
May 27, 2020, 4 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A -0.3 μg/m3 (0) 15.0
 
May 27, 2020, 3 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A -0.3 μg/m3 (0) 15.0
 
May 27, 2020, 2 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A -0.2 μg/m3 (0) 15.0
 
May 27, 2020, 1 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A -0.2 μg/m3 (0) 16.0
 
May 27, 2020, midnight N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 0.0 μg/m3 (0) 17.0
 
May 26, 2020, 11 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 0.1 μg/m3 (0) 17.0
 
May 26, 2020, 10 p.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 0.1 μg/m3 (0) 17.0
 
May 26, 2020, 9 p.m. N/A 0.1 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 0.2 μg/m3 (1) 18.0
 
May 26, 2020, 8 p.m. N/A 0.1 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 1.1 μg/m3 (5) 18.0
 
May 26, 2020, 7 p.m. N/A 0.1 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 3.1 μg/m3 (13) 18.0
 
May 26, 2020, 6 p.m. N/A 0.1 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 3.1 μg/m3 (13) 18.0
 
May 26, 2020, 5 p.m. N/A 0.1 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 2.6 μg/m3 (11) 18.0
 
May 26, 2020, 4 p.m. N/A 0.1 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A N/A 18.0
 
May 26, 2020, 3 p.m. N/A 0.1 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) N/A N/A N/A 3.3 μg/m3 (14) 14.0
 
May 26, 2020, 2 p.m. N/A 0.1 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 2.3 μg/m3 (10) 18.0
 
May 26, 2020, 1 p.m. N/A 0.1 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 1.8 μg/m3 (8) 18.0
 
May 26, 2020, noon N/A 0.1 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 2.7 μg/m3 (11) 16.0
 
May 26, 2020, 11 a.m. N/A 0.2 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 2.2 μg/m3 (9) 14.0