AQSQID: 230290032

Site Name: Sipayik-Me

Location: Washington Co, ME

Reporting: True, Located: True

Current AQI: 33.0

Washington Co ME, US: 44.9636, -67.060799

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 0.3 μg/m3 (1) 35.0
 
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 0.4 μg/m3 (2) 33.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 1.0 μg/m3 (4) 32.0
 
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 0.8 μg/m3 (3) 31.0
 
March 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 1.9 μg/m3 (8) 32.0
 
March 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 1.7 μg/m3 (7) 32.0
 
March 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 1.3 μg/m3 (5) 32.0
 
March 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 1.0 μg/m3 (4) 32.0
 
March 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 0.0 μg/m3 (0) 33.0
 
March 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 0.8 μg/m3 (3) 33.0
 
March 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 0.8 μg/m3 (3) 34.0
 
March 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 1.2 μg/m3 (5) 34.0
 
March 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 2.3 μg/m3 (10) 35.0
 
March 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 2.0 μg/m3 (8) 35.0
 
March 18, 2019, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 1.8 μg/m3 (8) 35.0
 
March 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.9 μg/m3 (8) 8.0
 
March 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.9 μg/m3 (8) 8.0
 
March 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 1.1 μg/m3 (5) 34.0
 
March 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 0.3 μg/m3 (1) 34.0
 
March 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A -1.2 μg/m3 (0) 35.0
 
March 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A -0.2 μg/m3 (0) 35.0
 
March 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A -1.2 μg/m3 (0) 35.0
 
March 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 0.1 μg/m3 (0) 34.0
 
March 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 0.5 μg/m3 (2) 34.0
 
March 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 0.3 μg/m3 (1) 34.0
 
March 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A -0.1 μg/m3 (0) 33.0
 
March 17, 2019, noon N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 1.3 μg/m3 (5) 34.0
 
March 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 2.0 μg/m3 (8) 34.0
 
March 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 2.4 μg/m3 (10) 34.0
 
March 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 2.0 μg/m3 (8) 34.0
 
March 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 1.4 μg/m3 (6) 34.0
 
March 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 1.0 μg/m3 (4) 33.0
 
March 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 0.7 μg/m3 (3) 34.0
 
March 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 1.3 μg/m3 (5) 35.0
 
March 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 1.3 μg/m3 (5) 35.0
 
March 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 1.8 μg/m3 (8) 35.0
 
March 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 1.9 μg/m3 (8) 35.0
 
March 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 2.6 μg/m3 (11) 35.0
 
March 17, 2019, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 3.7 μg/m3 (15) 34.0
 
March 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 3.7 μg/m3 (15) 33.0
 
March 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 1.7 μg/m3 (7) 32.0
 
March 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 1.5 μg/m3 (6) 32.0
 
March 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 0.8 μg/m3 (3) 33.0
 
March 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 1.1 μg/m3 (5) 32.0
 
March 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A -0.4 μg/m3 (0) 30.0
 
March 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 0.1 μg/m3 (0) 25.0
 
March 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A -0.2 μg/m3 (0) 23.0
 
March 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 0.7 μg/m3 (3) 24.0
 
March 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 0.9 μg/m3 (4) 25.0
 
March 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 1.0 μg/m3 (4) 25.0
 
March 16, 2019, noon N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 0.4 μg/m3 (2) 25.0
 
March 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 0.1 μg/m3 (0) 26.0
 
March 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A -1.7 μg/m3 (0) 29.0
 
March 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A -0.3 μg/m3 (0) 32.0
 
March 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 2.1 μg/m3 (9) 34.0
 
March 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A -0.8 μg/m3 (0) 37.0
 
March 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A -3.6 μg/m3 (0) 36.0
 
March 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 0.7 μg/m3 (3) 36.0
 
March 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A -0.7 μg/m3 (0) 36.0
 
March 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A -1.1 μg/m3 (0) 33.0
 
March 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 0.7 μg/m3 (3) 35.0
 
March 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 2.3 μg/m3 (10) 38.0
 
March 16, 2019, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 3.0 μg/m3 (12) 38.0
 
March 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 4.4 μg/m3 (18) 40.0
 
March 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 4.6 μg/m3 (19) 40.0
 
March 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 4.8 μg/m3 (20) 40.0
 
March 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 3.2 μg/m3 (13) 40.0
 
March 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 2.3 μg/m3 (10) 39.0
 
March 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 2.6 μg/m3 (11) 39.0
 
March 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 0.9 μg/m3 (4) 38.0
 
March 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 3.2 μg/m3 (13) 38.0
 
March 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 3.0 μg/m3 (12) 39.0
 
March 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 3.5 μg/m3 (15) 39.0
 
March 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 2.8 μg/m3 (12) 38.0
 
March 15, 2019, noon N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 2.4 μg/m3 (10) 38.0
 
March 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 3.1 μg/m3 (13) 38.0
 
March 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 1.8 μg/m3 (8) 38.0
 
March 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 2.7 μg/m3 (11) 37.0
 
March 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 1.3 μg/m3 (5) 36.0
 
March 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 0.6 μg/m3 (2) 36.0
 
March 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 1.8 μg/m3 (8) 37.0
 
March 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 2.1 μg/m3 (9) 38.0
 
March 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 0.3 μg/m3 (1) 38.0
 
March 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 0.8 μg/m3 (3) 38.0
 
March 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 1.7 μg/m3 (7) 39.0
 
March 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 2.3 μg/m3 (10) 40.0
 
March 15, 2019, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 1.2 μg/m3 (5) 40.0
 
March 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 3.1 μg/m3 (13) 39.0
 
March 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 2.0 μg/m3 (8) 39.0
 
March 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 1.8 μg/m3 (8) 38.0
 
March 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 2.5 μg/m3 (10) 38.0
 
March 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 2.1 μg/m3 (9) 38.0
 
March 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 1.2 μg/m3 (5) 39.0
 
March 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 0.3 μg/m3 (1) 38.0
 
March 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 0.6 μg/m3 (2) 37.0
 
March 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 1.1 μg/m3 (5) 36.0
 
March 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 1.4 μg/m3 (6) 35.0
 
March 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 2.7 μg/m3 (11) 34.0
 
March 14, 2019, noon N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 2.4 μg/m3 (10) 32.0
 
March 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.0 μg/m3 (12) 30.0
 
March 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.7 μg/m3 (15) 30.0
 
March 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.1 μg/m3 (13) 30.0
 
March 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 1.6 μg/m3 (7) 30.0
 
March 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 2.2 μg/m3 (9) 32.0
 
March 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 1.4 μg/m3 (6) 32.0
 
March 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 2.7 μg/m3 (11) 33.0
 
March 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 3.2 μg/m3 (13) 34.0
 
March 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 2.1 μg/m3 (9) 34.0
 
March 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 2.9 μg/m3 (12) 35.0
 
March 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 3.4 μg/m3 (14) 35.0
 
March 14, 2019, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 4.0 μg/m3 (17) 36.0
 
March 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 2.4 μg/m3 (10) 36.0
 
March 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 2.9 μg/m3 (12) 36.0
 
March 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 2.9 μg/m3 (12) 36.0
 
March 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 1.8 μg/m3 (8) 35.0
 
March 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 1.8 μg/m3 (8) 35.0
 
March 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 0.2 μg/m3 (1) 35.0
 
March 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 0.6 μg/m3 (2) 35.0
 
March 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 0.9 μg/m3 (4) 35.0
 
March 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 1.6 μg/m3 (7) 34.0
 
March 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 2.0 μg/m3 (8) 32.0
 
March 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 3.0 μg/m3 (12) 32.0
 
March 13, 2019, noon N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 3.2 μg/m3 (13) 31.0
 
March 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 3.6 μg/m3 (15) 28.0
 
March 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 3.4 μg/m3 (14) 29.0
 
March 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 2.5 μg/m3 (10) 31.0
 
March 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 1.8 μg/m3 (8) 32.0
 
March 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 2.0 μg/m3 (8) 32.0
 
March 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 2.6 μg/m3 (11) 32.0
 
March 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 12.2 μg/m3 (50) 50.0
 
March 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 7.8 μg/m3 (32) 32.0
 
March 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 2.1 μg/m3 (9) 33.0
 
March 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 1.9 μg/m3 (8) 33.0
 
March 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 7.3 μg/m3 (30) 32.0
 
March 13, 2019, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 4.1 μg/m3 (17) 33.0
 
March 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 4.0 μg/m3 (17) 34.0
 
March 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 2.6 μg/m3 (11) 34.0
 
March 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A -0.2 μg/m3 (0) 35.0
 
March 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 8.0 μg/m3 (33) 34.0
 
March 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 0.9 μg/m3 (4) 33.0
 
March 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 0.1 μg/m3 (0) 33.0
 
March 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 0.4 μg/m3 (2) 33.0
 
March 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 0.3 μg/m3 (1) 32.0
 
March 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 0.9 μg/m3 (4) 32.0
 
March 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 1.2 μg/m3 (5) 32.0
 
March 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 2.1 μg/m3 (9) 32.0
 
March 12, 2019, noon N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 1.6 μg/m3 (7) 32.0
 
March 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 7.0 μg/m3 (29) 32.0
 
March 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 1.7 μg/m3 (7) 32.0
 
March 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 9.5 μg/m3 (40) 40.0
 
March 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 1.3 μg/m3 (5) 34.0
 
March 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 0.6 μg/m3 (2) 34.0
 
March 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 3.7 μg/m3 (15) 35.0
 
March 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 4.5 μg/m3 (19) 35.0
 
March 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 0.3 μg/m3 (1) 35.0
 
March 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 0.6 μg/m3 (2) 37.0
 
March 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 0.4 μg/m3 (2) 37.0
 
March 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 1.7 μg/m3 (7) 37.0
 
March 12, 2019, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 1.4 μg/m3 (6) 37.0
 
March 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 1.9 μg/m3 (8) 38.0
 
March 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 1.8 μg/m3 (8) 38.0
 
March 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 1.5 μg/m3 (6) 39.0
 
March 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 1.1 μg/m3 (5) 39.0
 
March 11, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 1.0 μg/m3 (4) 39.0
 
March 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 0.7 μg/m3 (3) 32.0
 
March 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A -0.1 μg/m3 (0) 31.0
 
March 11, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 0.0 μg/m3 (0) 32.0
 
March 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A -1.2 μg/m3 (0) 32.0