AQSQID: 360310003

Site Name: Whiteface Mtn

Location: Essex Co, NY

Reporting: True, Located: True

Current AQI: 26.0

Essex Co NY, US: 44.3647, -73.9017

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 4.8 μg/m3 (20) 26.0
 
Jan. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 3.4 μg/m3 (14) 25.0
 
Jan. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 2.6 μg/m3 (11) 25.0
 
Jan. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A -0.6 μg/m3 (0) 25.0
 
Jan. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 2.4 μg/m3 (10) 24.0
 
Jan. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 4.6 μg/m3 (19) 22.0
 
Jan. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 4.4 μg/m3 (18) 22.0
 
Jan. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 4.3 μg/m3 (18) 21.0
 
Jan. 16, 2019, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 4.4 μg/m3 (18) 21.0
 
Jan. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 2.9 μg/m3 (12) 24.0
 
Jan. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 2.9 μg/m3 (12) 25.0
 
Jan. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 2.1 μg/m3 (9) 25.0
 
Jan. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 1.7 μg/m3 (7) 26.0
 
Jan. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 3.7 μg/m3 (15) 26.0
 
Jan. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 5.1 μg/m3 (21) 25.0
 
Jan. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 4.0 μg/m3 (17) 23.0
 
Jan. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 3.0 μg/m3 (12) 25.0
 
Jan. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 4.2 μg/m3 (18) 25.0
 
Jan. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 5.6 μg/m3 (23) 25.0
 
Jan. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 4.5 μg/m3 (19) 26.0
 
Jan. 15, 2019, noon N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 3.9 μg/m3 (16) 27.0
 
Jan. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 4.3 μg/m3 (18) 28.0
 
Jan. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 3.4 μg/m3 (14) 28.0
 
Jan. 15, 2019, 9 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
 
Jan. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 2.0 μg/m3 (8) 31.0
 
Jan. 15, 2019, 7 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
 
Jan. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 4.4 μg/m3 (18) 29.0
 
Jan. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 3.9 μg/m3 (16) 28.0
 
Jan. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 2.0 μg/m3 (8) 28.0
 
Jan. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 2.5 μg/m3 (10) 29.0
 
Jan. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 1.9 μg/m3 (8) 31.0
 
Jan. 15, 2019, 1 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
 
Jan. 15, 2019, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 0.6 μg/m3 (2) 29.0
 
Jan. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 0.9 μg/m3 (4) 29.0
 
Jan. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 2.2 μg/m3 (9) 28.0
 
Jan. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 1.1 μg/m3 (5) 28.0
 
Jan. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 1.1 μg/m3 (5) 29.0
 
Jan. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 1.1 μg/m3 (5) 29.0
 
Jan. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 1.9 μg/m3 (8) 28.0
 
Jan. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 2.3 μg/m3 (10) 27.0
 
Jan. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 3.1 μg/m3 (13) 26.0
 
Jan. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 1.3 μg/m3 (5) 26.0
 
Jan. 14, 2019, 2 p.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
 
Jan. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 3.1 μg/m3 (13) 31.0
 
Jan. 14, 2019, noon N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 1.8 μg/m3 (8) 32.0
 
Jan. 14, 2019, 11 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
 
Jan. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 0.2 μg/m3 (1) 31.0
 
Jan. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 0.4 μg/m3 (2) 31.0
 
Jan. 14, 2019, 8 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
 
Jan. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 1.2 μg/m3 (5) 30.0
 
Jan. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 1.1 μg/m3 (5) 30.0
 
Jan. 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A -0.4 μg/m3 (0) 29.0
 
Jan. 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 0.6 μg/m3 (2) 28.0
 
Jan. 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 2.7 μg/m3 (11) 28.0
 
Jan. 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 3.2 μg/m3 (13) 28.0
 
Jan. 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 2.0 μg/m3 (8) 28.0
 
Jan. 14, 2019, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 2.8 μg/m3 (12) 28.0
 
Jan. 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 4.4 μg/m3 (18) 28.0
 
Jan. 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 3.0 μg/m3 (12) 28.0
 
Jan. 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 3.2 μg/m3 (13) 28.0
 
Jan. 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 3.7 μg/m3 (15) 27.0
 
Jan. 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 2.8 μg/m3 (12) 28.0
 
Jan. 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 1.8 μg/m3 (8) 28.0
 
Jan. 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 2.8 μg/m3 (12) 28.0
 
Jan. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 2.9 μg/m3 (12) 29.0
 
Jan. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 3.2 μg/m3 (13) 28.0
 
Jan. 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 4.2 μg/m3 (18) 29.0
 
Jan. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 4.1 μg/m3 (17) 29.0
 
Jan. 13, 2019, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 2.5 μg/m3 (10) 29.0
 
Jan. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 2.4 μg/m3 (10) 29.0
 
Jan. 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 1.5 μg/m3 (6) 29.0
 
Jan. 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 2.2 μg/m3 (9) 30.0
 
Jan. 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 0.8 μg/m3 (3) 30.0
 
Jan. 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 2.4 μg/m3 (10) 31.0
 
Jan. 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 3.1 μg/m3 (13) 31.0
 
Jan. 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 2.1 μg/m3 (9) 31.0
 
Jan. 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 1.9 μg/m3 (8) 31.0
 
Jan. 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 1.2 μg/m3 (5) 31.0
 
Jan. 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 2.1 μg/m3 (9) 31.0
 
Jan. 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 3.5 μg/m3 (15) 31.0
 
Jan. 13, 2019, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 2.7 μg/m3 (11) 32.0
 
Jan. 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 3.2 μg/m3 (13) 32.0
 
Jan. 12, 2019, 10 p.m. 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
 
Jan. 12, 2019, 9 p.m. 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
 
Jan. 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 2.0 μg/m3 (8) 33.0
 
Jan. 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 2.6 μg/m3 (11) 33.0
 
Jan. 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 2.1 μg/m3 (9) 33.0
 
Jan. 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 2.2 μg/m3 (9) 32.0
 
Jan. 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 0.2 μg/m3 (1) 32.0
 
Jan. 12, 2019, 3 p.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
 
Jan. 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 2.3 μg/m3 (10) 33.0
 
Jan. 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 3.8 μg/m3 (16) 33.0
 
Jan. 12, 2019, noon N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 3.2 μg/m3 (13) 32.0
 
Jan. 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 2.8 μg/m3 (12) 32.0
 
Jan. 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 2.6 μg/m3 (11) 33.0
 
Jan. 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 2.4 μg/m3 (10) 32.0
 
Jan. 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 2.5 μg/m3 (10) 32.0
 
Jan. 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 3.8 μg/m3 (16) 32.0
 
Jan. 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 3.4 μg/m3 (14) 31.0
 
Jan. 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 3.1 μg/m3 (13) 31.0
 
Jan. 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 1.7 μg/m3 (7) 31.0
 
Jan. 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 2.8 μg/m3 (12) 32.0
 
Jan. 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 3.5 μg/m3 (15) 32.0
 
Jan. 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 3.8 μg/m3 (16) 32.0
 
Jan. 12, 2019, midnight 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
 
Jan. 11, 2019, 11 p.m. 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
 
Jan. 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 3.4 μg/m3 (14) 32.0
 
Jan. 11, 2019, 9 p.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
 
Jan. 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 2.5 μg/m3 (10) 32.0
 
Jan. 11, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 3.8 μg/m3 (16) 32.0
 
Jan. 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.2 μg/m3 (13) 30.0
 
Jan. 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 3.2 μg/m3 (13) 29.0
 
Jan. 11, 2019, 4 p.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 (7) 29.0
 
Jan. 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.4 μg/m3 (14) 30.0
 
Jan. 11, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 4.5 μg/m3 (19) 30.0
 
Jan. 11, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 4.4 μg/m3 (18) 30.0
 
Jan. 11, 2019, noon N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 3.6 μg/m3 (15) 31.0
 
Jan. 11, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.4 μg/m3 (14) 30.0
 
Jan. 11, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 3.8 μg/m3 (16) 29.0
 
Jan. 11, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 3.2 μg/m3 (13) 29.0
 
Jan. 11, 2019, 8 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
 
Jan. 11, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 5.2 μg/m3 (22) 29.0
 
Jan. 11, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 4.5 μg/m3 (19) 29.0
 
Jan. 11, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 5.4 μg/m3 (23) 28.0
 
Jan. 11, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 4.2 μg/m3 (18) 28.0
 
Jan. 11, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 5.3 μg/m3 (22) 28.0
 
Jan. 11, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 6.3 μg/m3 (26) 28.0
 
Jan. 11, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
Jan. 11, 2019, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 7.1 μg/m3 (30) 30.0
 
Jan. 10, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 7.1 μg/m3 (30) 30.0
 
Jan. 10, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 6.1 μg/m3 (25) 28.0
 
Jan. 10, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 5.8 μg/m3 (24) 28.0
 
Jan. 10, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 6.1 μg/m3 (25) 28.0
 
Jan. 10, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 6.7 μg/m3 (28) 28.0
 
Jan. 10, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 6.3 μg/m3 (26) 28.0
 
Jan. 10, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 5.8 μg/m3 (24) 28.0
 
Jan. 10, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 4.9 μg/m3 (20) 28.0
 
Jan. 10, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.3 μg/m3 (18) 18.0
 
Jan. 10, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.4 μg/m3 (18) 18.0
 
Jan. 10, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
Jan. 10, 2019, noon N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 3.7 μg/m3 (15) 27.0
 
Jan. 10, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 4.4 μg/m3 (18) 26.0
 
Jan. 10, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 2.8 μg/m3 (12) 25.0
 
Jan. 10, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 2.1 μg/m3 (9) 25.0
 
Jan. 10, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 2.0 μg/m3 (8) 25.0
 
Jan. 10, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 2.6 μg/m3 (11) 25.0
 
Jan. 10, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 2.8 μg/m3 (12) 25.0
 
Jan. 10, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A -1.6 μg/m3 (0) 22.0
 
Jan. 10, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 1.1 μg/m3 (5) 20.0
 
Jan. 10, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 1.3 μg/m3 (5) 19.0
 
Jan. 10, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 0.6 μg/m3 (2) 21.0
 
Jan. 10, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 0.4 μg/m3 (2) 22.0
 
Jan. 10, 2019, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 1.5 μg/m3 (6) 23.0
 
Jan. 9, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 1.4 μg/m3 (6) 22.0
 
Jan. 9, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 1.7 μg/m3 (7) 22.0
 
Jan. 9, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 1.7 μg/m3 (7) 23.0
 
Jan. 9, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 1.9 μg/m3 (8) 22.0
 
Jan. 9, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 3.1 μg/m3 (13) 22.0
 
Jan. 9, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 3.2 μg/m3 (13) 19.0
 
Jan. 9, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 1.8 μg/m3 (8) 17.0
 
Jan. 9, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 1.8 μg/m3 (8) 17.0
 
Jan. 9, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 1.0 μg/m3 (4) 19.0
 
Jan. 9, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 2.8 μg/m3 (12) 19.0
 
Jan. 9, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 2.5 μg/m3 (10) 17.0
 
Jan. 9, 2019, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Jan. 9, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 1.7 μg/m3 (7) 18.0
 
Jan. 9, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 0.9 μg/m3 (4) 18.0
 
Jan. 9, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 0.3 μg/m3 (1) 18.0