AQSQID: 320031501

Site Name: Rt

Location: Las Vegas (S Rancho Dr), NV

Reporting: True, Located: True

Current AQI: 25.0

Las Vegas (S Rancho Dr) NV, US: 36.139881, -115.175572

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 21, 2019, 8 a.m. N/A N/A N/A 27.0 ppb (25) N/A N/A N/A 0.3 ppb (3) N/A 5.0 μg/m3 (21) 25.0
 
March 21, 2019, 7 a.m. N/A N/A N/A 23.0 ppb (21) N/A N/A N/A 0.28 ppb (3) N/A 4.8 μg/m3 (20) 21.0
 
March 21, 2019, 6 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.12 ppb (1) N/A 5.8 μg/m3 (24) 24.0
 
March 21, 2019, 5 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.17 ppb (2) N/A 5.4 μg/m3 (23) 23.0
 
March 21, 2019, 4 a.m. N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 0.4 ppb (4) N/A 5.8 μg/m3 (24) 29.0
 
March 21, 2019, 3 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.25 ppb (3) N/A 3.4 μg/m3 (14) 19.0
 
March 21, 2019, 2 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.2 ppb (2) N/A 3.7 μg/m3 (15) 17.0
 
March 21, 2019, 1 a.m. N/A N/A N/A 25.0 ppb (23) N/A N/A N/A 0.32 ppb (4) N/A 3.9 μg/m3 (16) 23.0
 
March 21, 2019, midnight N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 0.12 ppb (1) N/A 3.2 μg/m3 (13) 14.0
 
March 20, 2019, 11 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.09 ppb (1) N/A 3.1 μg/m3 (13) 13.0
 
March 20, 2019, 10 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.27 ppb (3) N/A 3.7 μg/m3 (15) 19.0
 
March 20, 2019, 9 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.07 ppb (1) N/A 4.5 μg/m3 (19) 19.0
 
March 20, 2019, 8 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.11 ppb (1) N/A 7.7 μg/m3 (32) 32.0
 
March 20, 2019, 7 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.26 ppb (3) N/A 5.2 μg/m3 (22) 22.0
 
March 20, 2019, 6 p.m. N/A N/A N/A 36.0 ppb (33) N/A N/A N/A 0.49 ppb (5) N/A 7.0 μg/m3 (29) 33.0
 
March 20, 2019, 5 p.m. N/A N/A N/A 35.0 ppb (32) N/A N/A N/A 0.5 ppb (6) N/A 7.4 μg/m3 (31) 32.0
 
March 20, 2019, 4 p.m. N/A N/A N/A 39.0 ppb (36) N/A N/A N/A 0.62 ppb (7) N/A 9.3 μg/m3 (39) 39.0
 
March 20, 2019, 3 p.m. N/A N/A N/A 37.0 ppb (34) N/A N/A N/A 0.58 ppb (6) N/A 8.3 μg/m3 (35) 35.0
 
March 20, 2019, 2 p.m. N/A N/A N/A 36.0 ppb (33) N/A N/A N/A 0.52 ppb (6) N/A 7.4 μg/m3 (31) 33.0
 
March 20, 2019, 1 p.m. N/A N/A N/A 36.0 ppb (33) N/A N/A N/A 0.42 ppb (5) N/A 6.3 μg/m3 (26) 33.0
 
March 20, 2019, noon N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 0.31 ppb (3) N/A 6.3 μg/m3 (26) 29.0
 
March 20, 2019, 11 a.m. N/A N/A N/A 25.0 ppb (23) N/A N/A N/A 0.21 ppb (2) N/A 6.4 μg/m3 (27) 27.0
 
March 20, 2019, 10 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A N/A 0.26 ppb (3) N/A 6.7 μg/m3 (28) 28.0
 
March 20, 2019, 9 a.m. N/A N/A N/A 26.0 ppb (24) N/A N/A N/A 0.28 ppb (3) N/A 6.8 μg/m3 (28) 28.0
 
March 20, 2019, 8 a.m. N/A N/A N/A 25.0 ppb (23) N/A N/A N/A 0.25 ppb (3) N/A 6.1 μg/m3 (25) 25.0
 
March 20, 2019, 7 a.m. N/A N/A N/A 32.0 ppb (30) N/A N/A N/A 0.36 ppb (4) N/A 6.5 μg/m3 (27) 30.0
 
March 20, 2019, 6 a.m. N/A N/A N/A 41.0 ppb (38) N/A N/A N/A 0.51 ppb (6) N/A 7.3 μg/m3 (30) 38.0
 
March 20, 2019, 5 a.m. N/A N/A N/A 43.0 ppb (40) N/A N/A N/A 0.5 ppb (6) N/A 8.0 μg/m3 (33) 40.0
 
March 20, 2019, 4 a.m. N/A N/A N/A 38.0 ppb (35) N/A N/A N/A 0.48 ppb (5) N/A 7.4 μg/m3 (31) 35.0
 
March 20, 2019, 3 a.m. N/A N/A N/A 38.0 ppb (35) N/A N/A N/A 0.58 ppb (6) N/A 6.3 μg/m3 (26) 35.0
 
March 20, 2019, 2 a.m. N/A N/A N/A 38.0 ppb (35) N/A N/A N/A 0.46 ppb (5) N/A 5.8 μg/m3 (24) 35.0
 
March 20, 2019, 1 a.m. N/A N/A N/A 32.0 ppb (30) N/A N/A N/A 0.44 ppb (5) N/A 4.9 μg/m3 (20) 30.0
 
March 20, 2019, midnight N/A N/A N/A 25.0 ppb (23) N/A N/A N/A 0.35 ppb (4) N/A 4.6 μg/m3 (19) 23.0
 
March 19, 2019, 11 p.m. N/A N/A N/A 22.0 ppb (20) N/A N/A N/A 0.35 ppb (4) N/A 3.9 μg/m3 (16) 20.0
 
March 19, 2019, 10 p.m. N/A N/A N/A 23.0 ppb (21) N/A N/A N/A 0.33 ppb (4) N/A 4.1 μg/m3 (17) 21.0
 
March 19, 2019, 9 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.3 ppb (3) N/A 4.2 μg/m3 (18) 19.0
 
March 19, 2019, 8 p.m. N/A N/A N/A 26.0 ppb (24) N/A N/A N/A N/A N/A 4.3 μg/m3 (18) 24.0
 
March 19, 2019, 7 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.27 ppb (3) N/A 4.5 μg/m3 (19) 19.0
 
March 19, 2019, 6 p.m. N/A N/A N/A 22.0 ppb (20) N/A N/A N/A 0.28 ppb (3) N/A 5.1 μg/m3 (21) 21.0
 
March 19, 2019, 5 p.m. N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 0.43 ppb (5) N/A 6.9 μg/m3 (29) 29.0
 
March 19, 2019, 4 p.m. N/A N/A N/A 42.0 ppb (39) N/A N/A N/A 0.64 ppb (7) N/A 10.7 μg/m3 (45) 45.0
 
March 19, 2019, 3 p.m. N/A N/A N/A 46.0 ppb (43) N/A N/A N/A 0.89 ppb (10) N/A 12.9 μg/m3 (52) 52.0
 
March 19, 2019, 2 p.m. N/A N/A N/A 36.0 ppb (33) N/A N/A N/A 0.64 ppb (7) N/A 8.6 μg/m3 (36) 36.0
 
March 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.56 ppb (6) N/A 8.3 μg/m3 (35) 35.0
 
March 19, 2019, noon N/A N/A N/A 38.0 ppb (35) N/A N/A N/A 0.63 ppb (7) N/A 8.7 μg/m3 (36) 36.0
 
March 19, 2019, 11 a.m. N/A N/A N/A 32.0 ppb (30) N/A N/A N/A 0.33 ppb (4) N/A 7.3 μg/m3 (30) 30.0
 
March 19, 2019, 10 a.m. N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 0.34 ppb (4) N/A 7.9 μg/m3 (33) 33.0
 
March 19, 2019, 9 a.m. N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 0.34 ppb (4) N/A 7.1 μg/m3 (30) 30.0
 
March 19, 2019, 8 a.m. N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 0.32 ppb (4) N/A 6.8 μg/m3 (28) 28.0
 
March 19, 2019, 7 a.m. N/A N/A N/A 32.0 ppb (30) N/A N/A N/A 0.35 ppb (4) N/A 6.8 μg/m3 (28) 30.0
 
March 19, 2019, 6 a.m. N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 0.33 ppb (4) N/A 6.3 μg/m3 (26) 27.0
 
March 19, 2019, 5 a.m. N/A N/A N/A 39.0 ppb (36) N/A N/A N/A 0.54 ppb (6) N/A 9.8 μg/m3 (41) 41.0
 
March 19, 2019, 4 a.m. N/A N/A N/A 38.0 ppb (35) N/A N/A N/A 0.4 ppb (4) N/A 8.6 μg/m3 (36) 36.0
 
March 19, 2019, 3 a.m. N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 0.48 ppb (5) N/A 9.3 μg/m3 (39) 41.0
 
March 19, 2019, 2 a.m. N/A N/A N/A 42.0 ppb (39) N/A N/A N/A 0.56 ppb (6) N/A 6.0 μg/m3 (25) 39.0
 
March 19, 2019, 1 a.m. N/A N/A N/A 36.0 ppb (33) N/A N/A N/A 0.48 ppb (5) N/A 5.0 μg/m3 (21) 33.0
 
March 19, 2019, midnight N/A N/A N/A 26.0 ppb (24) N/A N/A N/A 0.37 ppb (4) N/A 4.1 μg/m3 (17) 24.0
 
March 18, 2019, 11 p.m. N/A N/A N/A 26.0 ppb (24) N/A N/A N/A 0.49 ppb (5) N/A 4.0 μg/m3 (17) 24.0
 
March 18, 2019, 10 p.m. N/A N/A N/A 25.0 ppb (23) N/A N/A N/A 0.37 ppb (4) N/A 4.1 μg/m3 (17) 23.0
 
March 18, 2019, 9 p.m. N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 0.46 ppb (5) N/A 4.6 μg/m3 (19) 27.0
 
March 18, 2019, 8 p.m. N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 0.54 ppb (6) N/A 4.9 μg/m3 (20) 27.0
 
March 18, 2019, 7 p.m. N/A N/A N/A 24.0 ppb (22) N/A N/A N/A 0.33 ppb (4) N/A 4.8 μg/m3 (20) 22.0
 
March 18, 2019, 6 p.m. N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 0.4 ppb (4) N/A 7.7 μg/m3 (32) 32.0
 
March 18, 2019, 5 p.m. N/A N/A N/A 48.0 ppb (44) N/A N/A N/A 0.71 ppb (8) N/A 19.1 μg/m3 (65) 65.0
 
March 18, 2019, 4 p.m. N/A N/A N/A 39.0 ppb (36) N/A N/A N/A 0.58 ppb (6) N/A 12.3 μg/m3 (51) 51.0
 
March 18, 2019, 3 p.m. N/A N/A N/A 37.0 ppb (34) N/A N/A N/A 0.64 ppb (7) N/A 9.4 μg/m3 (39) 39.0
 
March 18, 2019, 2 p.m. N/A N/A N/A 39.0 ppb (36) N/A N/A N/A 0.91 ppb (10) N/A 10.5 μg/m3 (44) 44.0
 
March 18, 2019, 1 p.m. N/A N/A N/A 38.0 ppb (35) N/A N/A N/A 0.72 ppb (8) N/A 8.0 μg/m3 (33) 35.0
 
March 18, 2019, noon N/A N/A N/A 35.0 ppb (32) N/A N/A N/A 0.36 ppb (4) N/A 7.1 μg/m3 (30) 32.0
 
March 18, 2019, 11 a.m. N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 0.34 ppb (4) N/A 7.8 μg/m3 (32) 32.0
 
March 18, 2019, 10 a.m. N/A N/A N/A 32.0 ppb (30) N/A N/A N/A 0.38 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
March 18, 2019, 9 a.m. N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 0.33 ppb (4) N/A 7.5 μg/m3 (31) 31.0
 
March 18, 2019, 8 a.m. N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 0.51 ppb (6) N/A 7.7 μg/m3 (32) 32.0
 
March 18, 2019, 7 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A N/A 0.35 ppb (4) N/A 5.9 μg/m3 (25) 25.0
 
March 18, 2019, 6 a.m. N/A N/A N/A 26.0 ppb (24) N/A N/A N/A 0.37 ppb (4) N/A 6.4 μg/m3 (27) 27.0
 
March 18, 2019, 5 a.m. N/A N/A N/A 27.0 ppb (25) N/A N/A N/A 0.42 ppb (5) N/A 8.8 μg/m3 (37) 37.0
 
March 18, 2019, 4 a.m. N/A N/A N/A 41.0 ppb (38) N/A N/A N/A 0.76 ppb (8) N/A 10.6 μg/m3 (44) 44.0
 
March 18, 2019, 3 a.m. N/A N/A N/A 38.0 ppb (35) N/A N/A N/A 0.56 ppb (6) N/A 8.4 μg/m3 (35) 35.0
 
March 18, 2019, 2 a.m. N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 0.57 ppb (6) N/A 5.2 μg/m3 (22) 31.0
 
March 18, 2019, 1 a.m. N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.34 ppb (4) N/A 4.0 μg/m3 (17) 19.0
 
March 18, 2019, midnight N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.48 ppb (5) N/A 4.0 μg/m3 (17) 19.0
 
March 17, 2019, 11 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.26 ppb (3) N/A 3.6 μg/m3 (15) 15.0
 
March 17, 2019, 10 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.29 ppb (3) N/A 3.5 μg/m3 (15) 15.0
 
March 17, 2019, 9 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.24 ppb (3) N/A 3.5 μg/m3 (15) 15.0
 
March 17, 2019, 8 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.22 ppb (2) N/A 3.3 μg/m3 (14) 14.0
 
March 17, 2019, 7 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.22 ppb (2) N/A 3.4 μg/m3 (14) 14.0
 
March 17, 2019, 6 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.37 ppb (4) N/A 3.9 μg/m3 (16) 16.0
 
March 17, 2019, 5 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.49 ppb (5) N/A 5.5 μg/m3 (23) 23.0
 
March 17, 2019, 4 p.m. N/A N/A N/A 27.0 ppb (25) N/A N/A N/A 0.43 ppb (5) N/A 7.3 μg/m3 (30) 30.0
 
March 17, 2019, 3 p.m. N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 0.45 ppb (5) N/A 7.8 μg/m3 (32) 32.0
 
March 17, 2019, 2 p.m. N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 0.42 ppb (5) N/A 6.5 μg/m3 (27) 29.0
 
March 17, 2019, 1 p.m. N/A N/A N/A 35.0 ppb (32) N/A N/A N/A 0.37 ppb (4) N/A 6.6 μg/m3 (28) 32.0
 
March 17, 2019, noon N/A N/A N/A 34.0 ppb (31) N/A N/A N/A 0.41 ppb (5) N/A 6.5 μg/m3 (27) 31.0
 
March 17, 2019, 11 a.m. N/A N/A N/A 35.0 ppb (32) N/A N/A N/A 0.59 ppb (7) N/A 7.4 μg/m3 (31) 32.0
 
March 17, 2019, 10 a.m. N/A N/A N/A 36.0 ppb (33) N/A N/A N/A 0.62 ppb (7) N/A 8.6 μg/m3 (36) 36.0
 
March 17, 2019, 9 a.m. N/A N/A N/A 38.0 ppb (35) N/A N/A N/A 0.45 ppb (5) N/A 9.7 μg/m3 (40) 40.0
 
March 17, 2019, 8 a.m. N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 0.4 ppb (4) N/A 8.2 μg/m3 (34) 34.0
 
March 17, 2019, 7 a.m. N/A N/A N/A 30.0 ppb (28) N/A N/A N/A 0.55 ppb (6) N/A 7.9 μg/m3 (33) 33.0
 
March 17, 2019, 6 a.m. N/A N/A N/A 26.0 ppb (24) N/A N/A N/A 0.35 ppb (4) N/A 6.5 μg/m3 (27) 27.0
 
March 17, 2019, 5 a.m. N/A N/A N/A 26.0 ppb (24) N/A N/A N/A 0.28 ppb (3) N/A 7.8 μg/m3 (32) 32.0
 
March 17, 2019, 4 a.m. N/A N/A N/A 30.0 ppb (28) N/A N/A N/A 0.38 ppb (4) N/A 9.9 μg/m3 (41) 41.0
 
March 17, 2019, 3 a.m. N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 0.47 ppb (5) N/A 9.7 μg/m3 (40) 40.0
 
March 17, 2019, 2 a.m. N/A N/A N/A 23.0 ppb (21) N/A N/A N/A 0.28 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
March 17, 2019, 1 a.m. N/A N/A N/A 25.0 ppb (23) N/A N/A N/A 0.4 ppb (4) N/A 4.4 μg/m3 (18) 23.0
 
March 17, 2019, midnight N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.43 ppb (5) N/A 3.9 μg/m3 (16) 19.0
 
March 16, 2019, 11 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.36 ppb (4) N/A 3.9 μg/m3 (16) 17.0
 
March 16, 2019, 10 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.28 ppb (3) N/A 4.4 μg/m3 (18) 18.0
 
March 16, 2019, 9 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.25 ppb (3) N/A 3.3 μg/m3 (14) 14.0
 
March 16, 2019, 8 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.3 ppb (3) N/A 3.2 μg/m3 (13) 15.0
 
March 16, 2019, 7 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.21 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
March 16, 2019, 6 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.14 ppb (2) N/A 2.9 μg/m3 (12) 12.0
 
March 16, 2019, 5 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.15 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
March 16, 2019, 4 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.06 ppb (1) N/A 2.4 μg/m3 (10) 10.0
 
March 16, 2019, 3 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.04 ppb (0) N/A 2.5 μg/m3 (10) 10.0
 
March 16, 2019, 2 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.05 ppb (1) N/A 2.7 μg/m3 (11) 11.0
 
March 16, 2019, 1 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.06 ppb (1) N/A 2.6 μg/m3 (11) 11.0
 
March 16, 2019, noon N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.03 ppb (0) N/A 2.5 μg/m3 (10) 10.0
 
March 16, 2019, 11 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.02 ppb (0) N/A 2.5 μg/m3 (10) 10.0
 
March 16, 2019, 10 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.05 ppb (1) N/A 2.5 μg/m3 (10) 10.0
 
March 16, 2019, 9 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.03 ppb (0) N/A 2.2 μg/m3 (9) 9.0
 
March 16, 2019, 8 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.04 ppb (0) N/A 2.2 μg/m3 (9) 9.0
 
March 16, 2019, 7 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.07 ppb (1) N/A 2.9 μg/m3 (12) 12.0
 
March 16, 2019, 6 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.17 ppb (2) N/A 4.1 μg/m3 (17) 17.0
 
March 16, 2019, 5 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.24 ppb (3) N/A 5.1 μg/m3 (21) 21.0
 
March 16, 2019, 4 a.m. N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 0.38 ppb (4) N/A 6.2 μg/m3 (26) 29.0
 
March 16, 2019, 3 a.m. N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.21 ppb (2) N/A 4.2 μg/m3 (18) 19.0
 
March 16, 2019, 2 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.16 ppb (2) N/A 4.4 μg/m3 (18) 18.0
 
March 16, 2019, 1 a.m. N/A N/A N/A 23.0 ppb (21) N/A N/A N/A 0.19 ppb (2) N/A 4.0 μg/m3 (17) 21.0
 
March 16, 2019, midnight N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.16 ppb (2) N/A 2.8 μg/m3 (12) 15.0
 
March 15, 2019, 10 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.27 ppb (3) N/A 2.9 μg/m3 (12) 19.0
 
March 15, 2019, 9 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.2 ppb (2) N/A 3.3 μg/m3 (14) 16.0
 
March 15, 2019, 8 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.2 ppb (2) N/A 3.4 μg/m3 (14) 17.0
 
March 15, 2019, 7 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.19 ppb (2) N/A 3.4 μg/m3 (14) 15.0
 
March 15, 2019, 6 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.16 ppb (2) N/A N/A 15.0
 
March 15, 2019, 5 p.m. N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 0.17 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
March 15, 2019, 4 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.23 ppb (3) N/A 3.9 μg/m3 (16) 19.0
 
March 15, 2019, 3 p.m. N/A N/A N/A 32.0 ppb (30) N/A N/A N/A 0.37 ppb (4) N/A 5.5 μg/m3 (23) 30.0
 
March 15, 2019, 2 p.m. N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 0.36 ppb (4) N/A 4.2 μg/m3 (18) 27.0
 
March 15, 2019, 1 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.07 ppb (1) N/A 2.3 μg/m3 (10) 13.0
 
March 15, 2019, noon N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.07 ppb (1) N/A 1.7 μg/m3 (7) 12.0
 
March 15, 2019, 11 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.01 ppb (0) N/A 1.7 μg/m3 (7) 8.0
 
March 15, 2019, 10 a.m. N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.09 ppb (1) N/A 3.6 μg/m3 (15) 16.0
 
March 15, 2019, 9 a.m. N/A N/A N/A 27.0 ppb (25) N/A N/A N/A 0.21 ppb (2) N/A 6.1 μg/m3 (25) 25.0
 
March 15, 2019, 8 a.m. N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 0.18 ppb (2) N/A 5.4 μg/m3 (23) 27.0
 
March 15, 2019, 7 a.m. N/A N/A N/A 25.0 ppb (23) N/A N/A N/A 0.24 ppb (3) N/A 4.7 μg/m3 (20) 23.0
 
March 15, 2019, 6 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.21 ppb (2) N/A 3.3 μg/m3 (14) 17.0
 
March 15, 2019, 5 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.33 ppb (4) N/A 3.5 μg/m3 (15) 19.0
 
March 15, 2019, 4 a.m. N/A N/A N/A 25.0 ppb (23) N/A N/A N/A 0.34 ppb (4) N/A 3.7 μg/m3 (15) 23.0
 
March 15, 2019, 3 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A N/A 0.33 ppb (4) N/A 3.5 μg/m3 (15) 20.0
 
March 15, 2019, 2 a.m. N/A N/A N/A 26.0 ppb (24) N/A N/A N/A 0.38 ppb (4) N/A 3.6 μg/m3 (15) 24.0
 
March 15, 2019, 1 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.22 ppb (2) N/A 3.7 μg/m3 (15) 17.0
 
March 15, 2019, midnight N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.21 ppb (2) N/A 2.7 μg/m3 (11) 15.0
 
March 14, 2019, 11 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.23 ppb (3) N/A 2.6 μg/m3 (11) 12.0
 
March 14, 2019, 10 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.11 ppb (1) N/A 1.8 μg/m3 (8) 8.0
 
March 14, 2019, 9 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.1 ppb (1) N/A 1.9 μg/m3 (8) 8.0
 
March 14, 2019, 8 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.08 ppb (1) N/A 2.0 μg/m3 (8) 8.0
 
March 14, 2019, 7 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.06 ppb (1) N/A 1.6 μg/m3 (7) 7.0
 
March 14, 2019, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.03 ppb (0) N/A 1.3 μg/m3 (5) 5.0
 
March 14, 2019, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.03 ppb (0) N/A 1.3 μg/m3 (5) 6.0
 
March 14, 2019, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.04 ppb (0) N/A 1.5 μg/m3 (6) 6.0
 
March 14, 2019, 3 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.04 ppb (0) N/A 1.5 μg/m3 (6) 6.0
 
March 14, 2019, 2 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.07 ppb (1) N/A 1.6 μg/m3 (7) 10.0
 
March 14, 2019, 1 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.04 ppb (0) N/A 1.5 μg/m3 (6) 8.0
 
March 14, 2019, noon N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.01 ppb (0) N/A 0.9 μg/m3 (4) 5.0
 
March 14, 2019, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.01 ppb (0) N/A 0.9 μg/m3 (4) 5.0
 
March 14, 2019, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.01 ppb (0) N/A 1.0 μg/m3 (4) 4.0
 
March 14, 2019, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.03 ppb (0) N/A 1.1 μg/m3 (5) 5.0
 
March 14, 2019, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.04 ppb (0) N/A 1.1 μg/m3 (5) 5.0