AQSQID: 320031019

Site Name: Jean

Location: Clark Co, NV

Reporting: True, Located: True

Current AQI: 32.0

Clark Co NV, US: 35.78, -115.34

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 23, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 4.0 μg/m3 (4) 0.7 μg/m3 (3) 32.0
 
Jan. 23, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 11.0 μg/m3 (10) 0.9 μg/m3 (4) 32.0
 
Jan. 23, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 4.0 μg/m3 (4) 0.7 μg/m3 (3) 30.0
 
Jan. 23, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 3.0 μg/m3 (3) 0.9 μg/m3 (4) 28.0
 
Jan. 23, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 4.0 μg/m3 (4) 1.0 μg/m3 (4) 26.0
 
Jan. 23, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 6.0 μg/m3 (5) 1.1 μg/m3 (5) 22.0
 
Jan. 23, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 4.0 μg/m3 (4) 1.2 μg/m3 (5) 22.0
 
Jan. 23, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 6.0 μg/m3 (5) 1.4 μg/m3 (6) 20.0
 
Jan. 23, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 5.0 μg/m3 (5) 0.9 μg/m3 (4) 18.0
 
Jan. 23, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 4.0 μg/m3 (4) 0.8 μg/m3 (3) 17.0
 
Jan. 23, 2019, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 4.0 μg/m3 (4) 0.8 μg/m3 (3) 18.0
 
Jan. 23, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 4.0 μg/m3 (4) 0.6 μg/m3 (2) 19.0
 
Jan. 23, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 4.0 μg/m3 (4) 0.8 μg/m3 (3) 22.0
 
Jan. 23, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 5.0 μg/m3 (5) 0.8 μg/m3 (3) 25.0
 
Jan. 23, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 4.0 μg/m3 (4) 0.9 μg/m3 (4) 23.0
 
Jan. 23, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 6.0 μg/m3 (5) 0.9 μg/m3 (4) 24.0
 
Jan. 23, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 6.0 μg/m3 (5) 0.8 μg/m3 (3) 26.0
 
Jan. 23, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 5.0 μg/m3 (5) 0.8 μg/m3 (3) 28.0
 
Jan. 23, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 8.0 μg/m3 (7) 0.9 μg/m3 (4) 29.0
 
Jan. 23, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 7.0 μg/m3 (6) 0.8 μg/m3 (3) 30.0
 
Jan. 23, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 4.0 μg/m3 (4) 0.7 μg/m3 (3) 28.0
 
Jan. 23, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 4.0 μg/m3 (4) 0.8 μg/m3 (3) 28.0
 
Jan. 23, 2019, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 6.0 μg/m3 (5) 0.8 μg/m3 (3) 31.0
 
Jan. 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 5.0 μg/m3 (5) 0.8 μg/m3 (3) 32.0
 
Jan. 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 5.0 μg/m3 (5) 0.7 μg/m3 (3) 32.0
 
Jan. 22, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 10.0 μg/m3 (9) 1.1 μg/m3 (5) 32.0
 
Jan. 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 10.0 μg/m3 (9) 1.1 μg/m3 (5) 32.0
 
Jan. 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 14.0 μg/m3 (13) 1.2 μg/m3 (5) 32.0
 
Jan. 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 14.0 μg/m3 (13) 1.3 μg/m3 (5) 32.0
 
Jan. 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 12.0 μg/m3 (11) 1.4 μg/m3 (6) 30.0
 
Jan. 22, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 20.0 μg/m3 (18) 2.1 μg/m3 (9) 26.0
 
Jan. 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 6.0 μg/m3 (5) 0.9 μg/m3 (4) 28.0
 
Jan. 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 5.0 μg/m3 (5) 0.8 μg/m3 (3) 29.0
 
Jan. 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 3.0 μg/m3 (3) 0.8 μg/m3 (3) 29.0
 
Jan. 22, 2019, noon N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 4.0 μg/m3 (4) 0.8 μg/m3 (3) 30.0
 
Jan. 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 4.0 μg/m3 (4) 0.8 μg/m3 (3) 32.0
 
Jan. 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 4.0 μg/m3 (4) 0.8 μg/m3 (3) 32.0
 
Jan. 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 5.0 μg/m3 (5) 1.1 μg/m3 (5) 32.0
 
Jan. 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
Jan. 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 4.0 μg/m3 (4) 0.9 μg/m3 (4) 28.0
 
Jan. 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 4.0 μg/m3 (4) 0.7 μg/m3 (3) 28.0
 
Jan. 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 3.0 μg/m3 (3) 0.6 μg/m3 (2) 28.0
 
Jan. 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 3.0 μg/m3 (3) 0.5 μg/m3 (2) 28.0
 
Jan. 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 7.0 μg/m3 (6) 0.5 μg/m3 (2) 28.0
 
Jan. 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 6.0 μg/m3 (5) 0.5 μg/m3 (2) 28.0
 
Jan. 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 4.0 μg/m3 (4) 0.5 μg/m3 (2) 28.0
 
Jan. 22, 2019, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 4.0 μg/m3 (4) 0.3 μg/m3 (1) 31.0
 
Jan. 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 5.0 μg/m3 (5) 0.4 μg/m3 (2) 32.0
 
Jan. 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 10.0 μg/m3 (9) 0.6 μg/m3 (2) 32.0
 
Jan. 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 11.0 μg/m3 (10) 0.8 μg/m3 (3) 33.0
 
Jan. 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 11.0 μg/m3 (10) 1.3 μg/m3 (5) 35.0
 
Jan. 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 13.0 μg/m3 (12) 1.8 μg/m3 (8) 35.0
 
Jan. 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 21.0 μg/m3 (19) 3.0 μg/m3 (12) 34.0
 
Jan. 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 55.0 μg/m3 (50) 5.4 μg/m3 (23) 50.0
 
Jan. 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 99.0 μg/m3 (72) 11.3 μg/m3 (47) 72.0
 
Jan. 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 120.0 μg/m3 (82) 13.8 μg/m3 (54) 82.0
 
Jan. 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 222.0 μg/m3 (134) 21.3 μg/m3 (70) 134.0
 
Jan. 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 82.0 μg/m3 (64) 6.7 μg/m3 (28) 64.0
 
Jan. 21, 2019, noon N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 61.0 μg/m3 (53) 4.5 μg/m3 (19) 53.0
 
Jan. 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 14.0 μg/m3 (13) 2.0 μg/m3 (8) 30.0
 
Jan. 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 7.0 μg/m3 (6) 1.4 μg/m3 (6) 30.0
 
Jan. 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 8.0 μg/m3 (7) 1.4 μg/m3 (6) 29.0
 
Jan. 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 8.0 μg/m3 (7) 1.6 μg/m3 (7) 27.0
 
Jan. 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 13.0 μg/m3 (12) 1.5 μg/m3 (6) 25.0
 
Jan. 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 25.0
 
Jan. 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 2.0 μg/m3 (2) 0.7 μg/m3 (3) 25.0
 
Jan. 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 3.0 μg/m3 (3) 0.6 μg/m3 (2) 25.0
 
Jan. 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 1.0 μg/m3 (1) 0.5 μg/m3 (2) 25.0
 
Jan. 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 2.0 μg/m3 (2) 0.5 μg/m3 (2) 25.0
 
Jan. 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 2.0 μg/m3 (2) 0.4 μg/m3 (2) 26.0
 
Jan. 21, 2019, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 1.0 μg/m3 (1) 0.3 μg/m3 (1) 27.0
 
Jan. 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 3.0 μg/m3 (3) 0.5 μg/m3 (2) 25.0
 
Jan. 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 2.0 μg/m3 (2) 0.5 μg/m3 (2) 25.0
 
Jan. 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 3.0 μg/m3 (3) 0.8 μg/m3 (3) 25.0
 
Jan. 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 4.0 μg/m3 (4) 1.2 μg/m3 (5) 24.0
 
Jan. 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 4.0 μg/m3 (4) 1.6 μg/m3 (7) 19.0
 
Jan. 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 5.0 μg/m3 (5) 1.4 μg/m3 (6) 17.0
 
Jan. 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 4.0 μg/m3 (4) 1.6 μg/m3 (7) 17.0
 
Jan. 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 5.0 μg/m3 (5) 1.7 μg/m3 (7) 12.0
 
Jan. 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 3.0 μg/m3 (3) 1.1 μg/m3 (5) 10.0
 
Jan. 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 4.0 μg/m3 (4) 1.1 μg/m3 (5) 9.0
 
Jan. 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 2.0 μg/m3 (2) 0.7 μg/m3 (3) 10.0
 
Jan. 20, 2019, noon N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 2.0 μg/m3 (2) 0.8 μg/m3 (3) 9.0
 
Jan. 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 2.0 μg/m3 (2) 0.7 μg/m3 (3) 12.0
 
Jan. 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 2.0 μg/m3 (2) 0.9 μg/m3 (4) 12.0
 
Jan. 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 2.0 μg/m3 (2) 0.5 μg/m3 (2) 12.0
 
Jan. 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 2.0 μg/m3 (2) 0.6 μg/m3 (2) 12.0
 
Jan. 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 2.0 μg/m3 (2) 0.7 μg/m3 (3) 13.0
 
Jan. 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 2.0 μg/m3 (2) 0.7 μg/m3 (3) 12.0
 
Jan. 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 2.0 μg/m3 (2) 0.6 μg/m3 (2) 12.0
 
Jan. 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 2.0 μg/m3 (2) 0.8 μg/m3 (3) 12.0
 
Jan. 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 12.0
 
Jan. 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 6.0 μg/m3 (5) 1.3 μg/m3 (5) 12.0
 
Jan. 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (4) 21.0
 
Jan. 20, 2019, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 29.0
 
Jan. 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 31.0
 
Jan. 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 31.0
 
Jan. 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 7.0 μg/m3 (6) 1.2 μg/m3 (5) 30.0
 
Jan. 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 6.0 μg/m3 (5) 1.1 μg/m3 (5) 28.0
 
Jan. 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 3.0 μg/m3 (3) 1.1 μg/m3 (5) 24.0
 
Jan. 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 5.0 μg/m3 (5) 1.4 μg/m3 (6) 18.0
 
Jan. 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 6.0 μg/m3 (5) 1.7 μg/m3 (7) 14.0
 
Jan. 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 3.0 μg/m3 (3) 0.9 μg/m3 (4) 18.0
 
Jan. 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 3.0 μg/m3 (3) 0.8 μg/m3 (3) 18.0
 
Jan. 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 3.0 μg/m3 (3) 0.8 μg/m3 (3) 18.0
 
Jan. 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 20.0
 
Jan. 19, 2019, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 3.0 μg/m3 (3) 0.8 μg/m3 (3) 18.0
 
Jan. 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 3.0 μg/m3 (3) 0.8 μg/m3 (3) 16.0
 
Jan. 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 1.0 μg/m3 (1) 0.6 μg/m3 (2) 15.0
 
Jan. 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 2.0 μg/m3 (2) 0.7 μg/m3 (3) 16.0
 
Jan. 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 2.0 μg/m3 (2) 0.8 μg/m3 (3) 18.0
 
Jan. 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 3.0 μg/m3 (3) 0.8 μg/m3 (3) 18.0
 
Jan. 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 3.0 μg/m3 (3) 0.8 μg/m3 (3) 19.0
 
Jan. 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 4.0 μg/m3 (4) 0.8 μg/m3 (3) 19.0
 
Jan. 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 3.0 μg/m3 (3) 0.9 μg/m3 (4) 21.0
 
Jan. 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 5.0 μg/m3 (5) 0.9 μg/m3 (4) 23.0
 
Jan. 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 2.0 μg/m3 (2) 0.6 μg/m3 (2) 27.0
 
Jan. 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 4.0 μg/m3 (4) 0.8 μg/m3 (3) 28.0
 
Jan. 19, 2019, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 7.0 μg/m3 (6) 1.5 μg/m3 (6) 29.0
 
Jan. 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 8.0 μg/m3 (7) 2.2 μg/m3 (9) 31.0
 
Jan. 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 31.0
 
Jan. 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 8.0 μg/m3 (7) 2.1 μg/m3 (9) 30.0
 
Jan. 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 7.0 μg/m3 (6) 2.5 μg/m3 (10) 28.0
 
Jan. 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 6.0 μg/m3 (5) 2.3 μg/m3 (10) 28.0
 
Jan. 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 7.0 μg/m3 (6) 2.7 μg/m3 (11) 25.0
 
Jan. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 6.0 μg/m3 (5) 2.6 μg/m3 (11) 25.0
 
Jan. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 4.0 μg/m3 (4) 1.8 μg/m3 (8) 22.0
 
Jan. 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 3.0 μg/m3 (3) 1.3 μg/m3 (5) 18.0
 
Jan. 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 4.0 μg/m3 (4) 1.6 μg/m3 (7) 22.0
 
Jan. 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 4.0 μg/m3 (4) 1.6 μg/m3 (7) 26.0
 
Jan. 18, 2019, noon N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 5.0 μg/m3 (5) 2.1 μg/m3 (9) 27.0
 
Jan. 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 5.0 μg/m3 (5) 2.1 μg/m3 (9) 27.0
 
Jan. 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 5.0 μg/m3 (5) 1.9 μg/m3 (8) 29.0
 
Jan. 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 4.0 μg/m3 (4) 1.9 μg/m3 (8) 30.0
 
Jan. 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 5.0 μg/m3 (5) 1.8 μg/m3 (8) 30.0
 
Jan. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 5.0 μg/m3 (5) 1.9 μg/m3 (8) 29.0
 
Jan. 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 5.0 μg/m3 (5) 1.8 μg/m3 (8) 29.0
 
Jan. 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 3.0 μg/m3 (3) 1.5 μg/m3 (6) 28.0
 
Jan. 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 5.0 μg/m3 (5) 1.7 μg/m3 (7) 29.0
 
Jan. 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 5.0 μg/m3 (5) 1.8 μg/m3 (8) 28.0
 
Jan. 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 4.0 μg/m3 (4) 1.7 μg/m3 (7) 28.0
 
Jan. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 3.0 μg/m3 (3) 1.2 μg/m3 (5) 26.0
 
Jan. 18, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 0.6 μg/m3 (2) 2.0
 
Jan. 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 0.6 μg/m3 (2) 2.0
 
Jan. 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 0.7 μg/m3 (3) 3.0
 
Jan. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 0.8 μg/m3 (3) 3.0
 
Jan. 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 3.0 μg/m3 (3) 1.2 μg/m3 (5) 25.0
 
Jan. 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 4.0 μg/m3 (4) 1.7 μg/m3 (7) 24.0
 
Jan. 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 5.0 μg/m3 (5) 2.1 μg/m3 (9) 23.0
 
Jan. 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 6.0 μg/m3 (5) 2.5 μg/m3 (10) 24.0
 
Jan. 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 3.0 μg/m3 (3) 1.8 μg/m3 (8) 25.0
 
Jan. 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 3.0 μg/m3 (3) 1.9 μg/m3 (8) 25.0
 
Jan. 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 25.0
 
Jan. 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 3.0 μg/m3 (3) 2.1 μg/m3 (9) 25.0
 
Jan. 17, 2019, noon N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 3.0 μg/m3 (3) 2.2 μg/m3 (9) 25.0
 
Jan. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 4.0 μg/m3 (4) 2.4 μg/m3 (10) 22.0
 
Jan. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 4.0 μg/m3 (4) 2.5 μg/m3 (10) 21.0
 
Jan. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 4.0 μg/m3 (4) 2.9 μg/m3 (12) 15.0
 
Jan. 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 4.0 μg/m3 (4) 2.7 μg/m3 (11) 20.0
 
Jan. 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 4.0 μg/m3 (4) 2.6 μg/m3 (11) 19.0
 
Jan. 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 4.0 μg/m3 (4) 2.5 μg/m3 (10) 16.0
 
Jan. 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 4.0 μg/m3 (4) 2.4 μg/m3 (10) 15.0
 
Jan. 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 4.0 μg/m3 (4) 2.3 μg/m3 (10) 16.0
 
Jan. 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 4.0 μg/m3 (4) 2.4 μg/m3 (10) 22.0
 
Jan. 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (12) 20.0
 
Jan. 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 22.0
 
Jan. 17, 2019, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 3.0 μg/m3 (3) 1.9 μg/m3 (8) 26.0
 
Jan. 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 2.0 μg/m3 (2) 1.4 μg/m3 (6) 31.0