AQSQID: 320030540

Site Name: Jerome Mack

Location: Clark Co, NV

Reporting: True, Located: True

Current AQI: 33.0

Clark Co NV, US: 36.141945, -115.078613

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 19, 2019, 4 a.m. N/A 0.9 ppb (1) 25.4 ppb (24) 31.0 ppb (29) N/A 1.0 ppb (1) 16.0 ppb (12) 0.33 ppb (4) 30.0 μg/m3 (27) 8.0 μg/m3 (33) 33.0
 
March 19, 2019, 3 a.m. N/A 0.5 ppb (0) 21.5 ppb (20) 26.0 ppb (24) N/A 0.0 ppb (0) 23.0 ppb (18) 0.35 ppb (4) 28.0 μg/m3 (25) 8.8 μg/m3 (37) 37.0
 
March 19, 2019, 2 a.m. N/A 0.3 ppb (0) 8.8 ppb (8) 14.0 ppb (13) N/A 0.0 ppb (0) 40.0 ppb (31) 0.21 ppb (2) 20.0 μg/m3 (18) 6.5 μg/m3 (27) 31.0
 
March 19, 2019, 1 a.m. N/A 0.3 ppb (0) 2.8 ppb (3) 8.0 ppb (7) N/A 0.0 ppb (0) 50.0 ppb (38) 0.15 ppb (2) 17.0 μg/m3 (15) 4.9 μg/m3 (20) 38.0
 
March 19, 2019, midnight N/A 0.2 ppb (0) -0.8 ppb (0) 5.0 ppb (5) N/A 0.0 ppb (0) 55.0 ppb (42) 0.11 ppb (1) 15.0 μg/m3 (14) 4.3 μg/m3 (18) 42.0
 
March 18, 2019, 11 p.m. N/A 0.2 ppb (0) -1.5 ppb (0) 5.0 ppb (5) N/A 0.0 ppb (0) 55.0 ppb (42) 0.1 ppb (1) 12.0 μg/m3 (11) 4.0 μg/m3 (17) 42.0
 
March 18, 2019, 10 p.m. N/A 0.3 ppb (0) -1.2 ppb (0) 5.0 ppb (5) N/A 0.0 ppb (0) 54.0 ppb (42) 0.1 ppb (1) 13.0 μg/m3 (12) 4.0 μg/m3 (17) 42.0
 
March 18, 2019, 9 p.m. N/A 0.3 ppb (0) -1.0 ppb (0) 5.0 ppb (5) N/A 1.0 ppb (1) 52.0 ppb (40) 0.11 ppb (1) 13.0 μg/m3 (12) 3.9 μg/m3 (16) 40.0
 
March 18, 2019, 8 p.m. N/A 0.4 ppb (0) -0.8 ppb (0) 5.0 ppb (5) N/A 0.0 ppb (0) 50.0 ppb (38) 0.13 ppb (1) 25.0 μg/m3 (23) 4.8 μg/m3 (20) 38.0
 
March 18, 2019, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 47.0 ppb (36) 0.13 ppb (1) 14.0 μg/m3 (13) 4.2 μg/m3 (18) 36.0
 
March 18, 2019, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 45.0 ppb (35) 0.11 ppb (1) 17.0 μg/m3 (15) 4.2 μg/m3 (18) 35.0
 
March 18, 2019, 5 p.m. N/A N/A N/A 17.0 ppb (16) N/A 1.0 ppb (1) 33.0 ppb (25) 0.26 ppb (3) 30.0 μg/m3 (27) 8.6 μg/m3 (36) 36.0
 
March 18, 2019, 4 p.m. N/A N/A N/A 42.0 ppb (39) N/A 2.0 ppb (3) 12.0 ppb (9) 0.74 ppb (8) 58.0 μg/m3 (52) 20.4 μg/m3 (68) 68.0
 
March 18, 2019, 3 p.m. N/A N/A N/A 41.0 ppb (38) N/A 3.0 ppb (4) 6.0 ppb (5) 0.97 ppb (11) 67.0 μg/m3 (56) 19.2 μg/m3 (65) 65.0
 
March 18, 2019, 2 p.m. N/A N/A N/A 36.0 ppb (33) N/A 3.0 ppb (4) 2.0 ppb (2) 1.35 ppb (15) 63.0 μg/m3 (54) 21.8 μg/m3 (71) 71.0
 
March 18, 2019, 1 p.m. N/A N/A N/A 34.0 ppb (31) N/A 3.0 ppb (4) 1.0 ppb (1) 1.12 ppb (12) 46.0 μg/m3 (42) 17.5 μg/m3 (62) 62.0
 
March 18, 2019, noon N/A N/A N/A 34.0 ppb (31) N/A 1.0 ppb (1) 1.0 ppb (1) 0.7 ppb (8) 31.0 μg/m3 (28) 12.1 μg/m3 (50) 50.0
 
March 18, 2019, 11 a.m. N/A N/A N/A 35.0 ppb (32) N/A 1.0 ppb (1) 1.0 ppb (1) 0.63 ppb (7) 28.0 μg/m3 (25) 12.4 μg/m3 (51) 51.0
 
March 18, 2019, 10 a.m. N/A N/A N/A 35.0 ppb (32) N/A 1.0 ppb (1) 1.0 ppb (1) 0.75 ppb (8) 35.0 μg/m3 (32) 15.2 μg/m3 (57) 57.0
 
March 18, 2019, 9 a.m. N/A N/A N/A 36.0 ppb (33) N/A 1.0 ppb (1) 1.0 ppb (1) 0.76 ppb (8) 39.0 μg/m3 (35) 16.2 μg/m3 (59) 59.0
 
March 18, 2019, 8 a.m. N/A N/A N/A 36.0 ppb (33) N/A 1.0 ppb (1) 1.0 ppb (1) 0.73 ppb (8) 37.0 μg/m3 (34) 15.0 μg/m3 (56) 56.0
 
March 18, 2019, 7 a.m. N/A N/A N/A 37.0 ppb (34) N/A 1.0 ppb (1) 1.0 ppb (1) 0.66 ppb (7) 35.0 μg/m3 (32) 13.5 μg/m3 (53) 53.0
 
March 18, 2019, 6 a.m. N/A N/A N/A 37.0 ppb (34) N/A 1.0 ppb (1) 2.0 ppb (2) 0.57 ppb (6) 32.0 μg/m3 (29) 11.9 μg/m3 (50) 50.0
 
March 18, 2019, 5 a.m. N/A N/A N/A 41.0 ppb (38) N/A 1.0 ppb (1) 3.0 ppb (2) 0.62 ppb (7) 40.0 μg/m3 (36) 13.7 μg/m3 (54) 54.0
 
March 18, 2019, 4 a.m. N/A N/A N/A 35.0 ppb (32) N/A 1.0 ppb (1) 10.0 ppb (8) 0.55 ppb (6) 44.0 μg/m3 (40) 13.4 μg/m3 (53) 53.0
 
March 18, 2019, 3 a.m. N/A N/A N/A 37.0 ppb (34) N/A N/A 9.0 ppb (7) 0.61 ppb (7) 35.0 μg/m3 (32) 14.4 μg/m3 (55) 55.0
 
March 18, 2019, 2 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 31.0 ppb (24) 0.28 ppb (3) 23.0 μg/m3 (21) 6.9 μg/m3 (29) 29.0
 
March 18, 2019, 1 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 46.0 ppb (35) 0.16 ppb (2) 20.0 μg/m3 (18) 5.0 μg/m3 (21) 35.0
 
March 18, 2019, midnight N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 51.0 ppb (39) 0.11 ppb (1) 15.0 μg/m3 (14) 4.0 μg/m3 (17) 39.0
 
March 17, 2019, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 52.0 ppb (40) 0.1 ppb (1) 11.0 μg/m3 (10) 3.7 μg/m3 (15) 40.0
 
March 17, 2019, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 52.0 ppb (40) 0.1 ppb (1) 13.0 μg/m3 (12) 3.9 μg/m3 (16) 40.0
 
March 17, 2019, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 51.0 ppb (39) 0.1 ppb (1) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 39.0
 
March 17, 2019, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 50.0 ppb (38) 0.1 ppb (1) 14.0 μg/m3 (13) 3.8 μg/m3 (16) 38.0
 
March 17, 2019, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 49.0 ppb (38) 0.11 ppb (1) 11.0 μg/m3 (10) 3.7 μg/m3 (15) 38.0
 
March 17, 2019, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 46.0 ppb (35) 0.11 ppb (1) 11.0 μg/m3 (10) 3.8 μg/m3 (16) 35.0
 
March 17, 2019, 5 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 41.0 ppb (32) 0.15 ppb (2) 14.0 μg/m3 (13) 4.6 μg/m3 (19) 32.0
 
March 17, 2019, 4 p.m. N/A N/A N/A 15.0 ppb (14) N/A 1.0 ppb (1) 33.0 ppb (25) 0.31 ppb (3) 20.0 μg/m3 (18) 8.2 μg/m3 (34) 34.0
 
March 17, 2019, 3 p.m. N/A N/A N/A 33.0 ppb (31) N/A 2.0 ppb (3) 10.0 ppb (8) 0.75 ppb (8) 41.0 μg/m3 (37) 18.8 μg/m3 (64) 64.0
 
March 17, 2019, 2 p.m. N/A N/A N/A 35.0 ppb (32) N/A 2.0 ppb (3) 3.0 ppb (2) 0.99 ppb (11) 49.0 μg/m3 (45) 20.9 μg/m3 (69) 69.0
 
March 17, 2019, 1 p.m. N/A N/A N/A 36.0 ppb (33) N/A 1.0 ppb (1) 1.0 ppb (1) 0.81 ppb (9) 38.0 μg/m3 (35) 15.8 μg/m3 (58) 58.0
 
March 17, 2019, noon N/A N/A N/A 37.0 ppb (34) N/A 1.0 ppb (1) 1.0 ppb (1) 0.77 ppb (9) 35.0 μg/m3 (32) 15.8 μg/m3 (58) 58.0
 
March 17, 2019, 11 a.m. N/A N/A N/A 39.0 ppb (36) N/A 1.0 ppb (1) 1.0 ppb (1) 0.77 ppb (9) 45.0 μg/m3 (41) 20.6 μg/m3 (68) 68.0
 
March 17, 2019, 10 a.m. N/A N/A N/A 38.0 ppb (35) N/A 1.0 ppb (1) 2.0 ppb (2) 0.77 ppb (9) 46.0 μg/m3 (42) 20.5 μg/m3 (68) 68.0
 
March 17, 2019, 9 a.m. N/A N/A N/A 40.0 ppb (37) N/A 2.0 ppb (3) 1.0 ppb (1) 0.94 ppb (10) 46.0 μg/m3 (42) 20.9 μg/m3 (69) 69.0
 
March 17, 2019, 8 a.m. N/A N/A N/A 41.0 ppb (38) N/A 1.0 ppb (1) 1.0 ppb (1) 0.76 ppb (8) 40.0 μg/m3 (36) 15.9 μg/m3 (58) 58.0
 
March 17, 2019, 7 a.m. N/A N/A N/A 43.0 ppb (40) N/A 1.0 ppb (1) 1.0 ppb (1) 0.64 ppb (7) 31.0 μg/m3 (28) 12.8 μg/m3 (52) 52.0
 
March 17, 2019, 6 a.m. N/A N/A N/A 43.0 ppb (40) N/A 1.0 ppb (1) 1.0 ppb (1) 0.84 ppb (9) 58.0 μg/m3 (52) 22.5 μg/m3 (72) 72.0
 
March 17, 2019, 5 a.m. N/A N/A N/A 38.0 ppb (35) N/A 1.0 ppb (1) 9.0 ppb (7) 0.55 ppb (6) 39.0 μg/m3 (35) 14.8 μg/m3 (56) 56.0
 
March 17, 2019, 4 a.m. N/A N/A N/A 34.0 ppb (31) N/A 1.0 ppb (1) 15.0 ppb (12) 0.55 ppb (6) 32.0 μg/m3 (29) 11.9 μg/m3 (50) 50.0
 
March 17, 2019, 3 a.m. N/A N/A N/A 38.0 ppb (35) N/A 1.0 ppb (1) 12.0 ppb (9) 0.56 ppb (6) 39.0 μg/m3 (35) 16.7 μg/m3 (60) 60.0
 
March 17, 2019, 2 a.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) 36.0 ppb (28) 0.24 ppb (3) 25.0 μg/m3 (23) 9.1 μg/m3 (38) 38.0
 
March 17, 2019, 1 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 49.0 ppb (38) 0.13 ppb (1) 17.0 μg/m3 (15) 4.6 μg/m3 (19) 38.0
 
March 17, 2019, midnight N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 52.0 ppb (40) 0.11 ppb (1) 17.0 μg/m3 (15) 4.4 μg/m3 (18) 40.0
 
March 16, 2019, 11 p.m. N/A 0.5 ppb (0) -0.1 ppb (0) 4.0 ppb (4) N/A 0.0 ppb (0) N/A 0.1 ppb (1) 16.0 μg/m3 (15) 4.3 μg/m3 (18) 18.0
 
March 16, 2019, 10 p.m. N/A 0.5 ppb (0) -0.1 ppb (0) 4.0 ppb (4) N/A 0.0 ppb (0) N/A 0.1 ppb (1) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
March 16, 2019, 9 p.m. N/A 0.6 ppb (1) 0.7 ppb (1) 4.0 ppb (4) N/A 0.0 ppb (0) N/A 0.1 ppb (1) 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
March 16, 2019, 8 p.m. N/A 0.6 ppb (1) 0.6 ppb (1) 5.0 ppb (5) N/A 0.0 ppb (0) N/A 0.1 ppb (1) 17.0 μg/m3 (15) 4.1 μg/m3 (17) 17.0
 
March 16, 2019, 7 p.m. N/A 1.0 ppb (1) 2.1 ppb (2) 5.0 ppb (5) N/A 0.0 ppb (0) 50.0 ppb (38) 0.1 ppb (1) 16.0 μg/m3 (15) 3.9 μg/m3 (16) 38.0
 
March 16, 2019, 6 p.m. N/A 0.8 ppb (1) 1.7 ppb (2) 5.0 ppb (5) N/A 0.0 ppb (0) 50.0 ppb (38) 0.1 ppb (1) 11.0 μg/m3 (10) 3.4 μg/m3 (14) 38.0
 
March 16, 2019, 5 p.m. N/A 1.0 ppb (1) 2.6 ppb (2) 5.0 ppb (5) N/A 0.0 ppb (0) 48.0 ppb (37) 0.11 ppb (1) 14.0 μg/m3 (13) 3.8 μg/m3 (16) 37.0
 
March 16, 2019, 4 p.m. N/A 1.6 ppb (1) 5.0 ppb (5) 7.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (33) 0.12 ppb (1) 13.0 μg/m3 (12) 3.8 μg/m3 (16) 33.0
 
March 16, 2019, 3 p.m. N/A 2.5 ppb (2) 9.9 ppb (9) 11.0 ppb (10) N/A 0.0 ppb (0) 37.0 ppb (28) 0.16 ppb (2) 17.0 μg/m3 (15) 4.6 μg/m3 (19) 28.0
 
March 16, 2019, 2 p.m. N/A 1.9 ppb (2) 13.8 ppb (13) 16.0 ppb (15) N/A 1.0 ppb (1) 31.0 ppb (24) 0.2 ppb (2) 22.0 μg/m3 (20) 5.6 μg/m3 (23) 24.0
 
March 16, 2019, 1 p.m. N/A 0.5 ppb (0) 8.1 ppb (8) 12.0 ppb (11) N/A 0.0 ppb (0) 34.0 ppb (26) 0.16 ppb (2) 12.0 μg/m3 (11) 4.4 μg/m3 (18) 26.0
 
March 16, 2019, noon N/A 0.5 ppb (0) 6.8 ppb (6) 11.0 ppb (10) N/A 1.0 ppb (1) 36.0 ppb (28) 0.14 ppb (2) 12.0 μg/m3 (11) 4.0 μg/m3 (17) 28.0
 
March 16, 2019, 11 a.m. N/A 0.4 ppb (0) 3.3 ppb (3) 7.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (32) 0.11 ppb (1) 15.0 μg/m3 (14) 4.2 μg/m3 (18) 32.0
 
March 16, 2019, 10 a.m. N/A 0.4 ppb (0) 1.6 ppb (1) 5.0 ppb (5) N/A 0.0 ppb (0) 45.0 ppb (35) 0.1 ppb (1) 20.0 μg/m3 (18) 5.0 μg/m3 (21) 35.0
 
March 16, 2019, 9 a.m. N/A 0.4 ppb (0) 1.8 ppb (2) 5.0 ppb (5) N/A 0.0 ppb (0) 44.0 ppb (34) 0.1 ppb (1) 22.0 μg/m3 (20) 5.1 μg/m3 (21) 34.0
 
March 16, 2019, 8 a.m. N/A 0.4 ppb (0) 3.2 ppb (3) 7.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (32) 0.11 ppb (1) 17.0 μg/m3 (15) 4.7 μg/m3 (20) 32.0
 
March 16, 2019, 7 a.m. N/A 0.5 ppb (0) 6.2 ppb (6) 9.0 ppb (8) N/A 0.0 ppb (0) 38.0 ppb (29) 0.13 ppb (1) 14.0 μg/m3 (13) 4.2 μg/m3 (18) 29.0
 
March 16, 2019, 6 a.m. N/A 0.5 ppb (0) 9.5 ppb (9) 14.0 ppb (13) N/A 1.0 ppb (1) 35.0 ppb (27) 0.14 ppb (2) 18.0 μg/m3 (16) 4.7 μg/m3 (20) 27.0
 
March 16, 2019, 5 a.m. N/A 0.5 ppb (0) 9.5 ppb (9) 13.0 ppb (12) N/A 1.0 ppb (1) 37.0 ppb (28) 0.16 ppb (2) 19.0 μg/m3 (17) 5.1 μg/m3 (21) 28.0
 
March 16, 2019, 4 a.m. N/A 0.5 ppb (0) 11.5 ppb (11) 16.0 ppb (15) N/A 1.0 ppb (1) 35.0 ppb (27) 0.22 ppb (2) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 27.0
 
March 16, 2019, 3 a.m. N/A 0.5 ppb (0) 11.4 ppb (11) 15.0 ppb (14) N/A 1.0 ppb (1) 37.0 ppb (28) 0.2 ppb (2) 21.0 μg/m3 (19) 6.1 μg/m3 (25) 28.0
 
March 16, 2019, 2 a.m. N/A 0.6 ppb (1) 9.3 ppb (9) 13.0 ppb (12) N/A 1.0 ppb (1) 39.0 ppb (30) 0.2 ppb (2) 27.0 μg/m3 (25) 6.1 μg/m3 (25) 30.0
 
March 16, 2019, 1 a.m. N/A 0.7 ppb (1) 4.1 ppb (4) 8.0 ppb (7) N/A 0.0 ppb (0) 47.0 ppb (36) 0.12 ppb (1) 15.0 μg/m3 (14) 3.2 μg/m3 (13) 36.0
 
March 16, 2019, midnight N/A 0.7 ppb (1) 2.2 ppb (2) 6.0 ppb (6) N/A 1.0 ppb (1) 49.0 ppb (38) 0.1 ppb (1) 9.0 μg/m3 (8) 2.8 μg/m3 (12) 38.0
 
March 15, 2019, 10 p.m. N/A 0.7 ppb (1) 0.9 ppb (1) 5.0 ppb (5) N/A 0.0 ppb (0) 48.0 ppb (37) 0.1 ppb (1) 15.0 μg/m3 (14) 3.8 μg/m3 (16) 37.0
 
March 15, 2019, 9 p.m. N/A 1.0 ppb (1) 2.1 ppb (2) 5.0 ppb (5) N/A 0.0 ppb (0) 47.0 ppb (36) 0.1 ppb (1) 18.0 μg/m3 (16) 3.4 μg/m3 (14) 36.0
 
March 15, 2019, 8 p.m. N/A 1.0 ppb (1) 2.1 ppb (2) 5.0 ppb (5) N/A 0.0 ppb (0) 46.0 ppb (35) 0.1 ppb (1) 15.0 μg/m3 (14) 3.3 μg/m3 (14) 35.0
 
March 15, 2019, 7 p.m. N/A 1.0 ppb (1) 1.9 ppb (2) 5.0 ppb (5) N/A 1.0 ppb (1) 46.0 ppb (35) 0.1 ppb (1) 12.0 μg/m3 (11) 2.9 μg/m3 (12) 35.0
 
March 15, 2019, 6 p.m. N/A 0.9 ppb (1) 1.7 ppb (2) 5.0 ppb (5) N/A 1.0 ppb (1) 45.0 ppb (35) 0.1 ppb (1) 14.0 μg/m3 (13) 3.0 μg/m3 (12) 35.0
 
March 15, 2019, 5 p.m. N/A 1.4 ppb (1) 3.6 ppb (3) 6.0 ppb (6) N/A 0.0 ppb (0) 42.0 ppb (32) 0.11 ppb (1) 16.0 μg/m3 (15) 4.8 μg/m3 (20) 32.0
 
March 15, 2019, 4 p.m. N/A 3.2 ppb (3) 9.0 ppb (8) 10.0 ppb (9) N/A 1.0 ppb (1) 36.0 ppb (28) 0.16 ppb (2) 17.0 μg/m3 (15) 4.1 μg/m3 (17) 28.0
 
March 15, 2019, 3 p.m. N/A 5.0 ppb (5) 17.3 ppb (16) 17.0 ppb (16) N/A 1.0 ppb (1) 28.0 ppb (22) 0.22 ppb (2) 19.0 μg/m3 (17) 4.8 μg/m3 (20) 22.0
 
March 15, 2019, 2 p.m. N/A 15.4 ppb (14) 46.6 ppb (43) 36.0 ppb (33) N/A 1.0 ppb (1) 8.0 ppb (6) 0.48 ppb (5) 24.0 μg/m3 (22) 7.8 μg/m3 (32) 43.0
 
March 15, 2019, 1 p.m. N/A 17.0 ppb (16) 49.3 ppb (46) 37.0 ppb (34) N/A 1.0 ppb (1) 3.0 ppb (2) 0.57 ppb (6) 19.0 μg/m3 (17) 7.4 μg/m3 (31) 46.0
 
March 15, 2019, noon N/A 8.5 ppb (8) 39.0 ppb (36) 36.0 ppb (33) N/A 1.0 ppb (1) 4.0 ppb (3) 0.35 ppb (4) 17.0 μg/m3 (15) 6.1 μg/m3 (25) 36.0
 
March 15, 2019, 11 a.m. N/A 12.9 ppb (12) 43.4 ppb (40) 35.0 ppb (32) N/A 1.0 ppb (1) 2.0 ppb (2) 0.36 ppb (4) 21.0 μg/m3 (19) 7.7 μg/m3 (32) 40.0
 
March 15, 2019, 10 a.m. N/A 4.1 ppb (4) 32.4 ppb (30) 35.0 ppb (32) N/A 1.0 ppb (1) 5.0 ppb (4) 0.32 ppb (4) 19.0 μg/m3 (17) 7.7 μg/m3 (32) 32.0
 
March 15, 2019, 9 a.m. N/A 0.6 ppb (1) 19.7 ppb (18) 23.0 ppb (21) N/A 1.0 ppb (1) 14.0 ppb (11) 0.22 ppb (2) 15.0 μg/m3 (14) 5.6 μg/m3 (23) 23.0
 
March 15, 2019, 8 a.m. N/A 0.5 ppb (0) 12.7 ppb (12) 17.0 ppb (16) N/A 1.0 ppb (1) 23.0 ppb (18) 0.17 ppb (2) 12.0 μg/m3 (11) 4.6 μg/m3 (19) 19.0
 
March 15, 2019, 7 a.m. N/A 0.7 ppb (1) 8.0 ppb (7) 12.0 ppb (11) N/A 1.0 ppb (1) 31.0 ppb (24) 0.14 ppb (2) 11.0 μg/m3 (10) 4.4 μg/m3 (18) 24.0
 
March 15, 2019, 6 a.m. N/A 0.9 ppb (1) 8.3 ppb (8) 13.0 ppb (12) N/A 1.0 ppb (1) 32.0 ppb (25) 0.14 ppb (2) 12.0 μg/m3 (11) 4.0 μg/m3 (17) 25.0
 
March 15, 2019, 5 a.m. N/A 0.5 ppb (0) 5.5 ppb (5) 9.0 ppb (8) N/A 1.0 ppb (1) 35.0 ppb (27) 0.12 ppb (1) 13.0 μg/m3 (12) 4.2 μg/m3 (18) 27.0
 
March 15, 2019, 4 a.m. N/A 0.5 ppb (0) 3.3 ppb (3) 7.0 ppb (6) N/A 1.0 ppb (1) 40.0 ppb (31) 0.12 ppb (1) 11.0 μg/m3 (10) 3.5 μg/m3 (15) 31.0
 
March 15, 2019, 3 a.m. N/A 0.5 ppb (0) 4.0 ppb (4) 7.0 ppb (6) N/A 0.0 ppb (0) 40.0 ppb (31) 0.13 ppb (1) 10.0 μg/m3 (9) 3.5 μg/m3 (15) 31.0
 
March 15, 2019, 2 a.m. N/A 0.5 ppb (0) 5.6 ppb (5) 9.0 ppb (8) N/A 0.0 ppb (0) 39.0 ppb (30) 0.15 ppb (2) 14.0 μg/m3 (13) 4.6 μg/m3 (19) 30.0
 
March 15, 2019, 1 a.m. N/A 0.6 ppb (1) 2.9 ppb (3) 6.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (33) 0.12 ppb (1) 17.0 μg/m3 (15) 3.8 μg/m3 (16) 33.0
 
March 15, 2019, midnight N/A 0.8 ppb (1) 1.9 ppb (2) 5.0 ppb (5) N/A 0.0 ppb (0) 46.0 ppb (35) 0.11 ppb (1) 7.0 μg/m3 (6) 2.4 μg/m3 (10) 35.0
 
March 14, 2019, 11 p.m. N/A 0.8 ppb (1) 1.9 ppb (2) 5.0 ppb (5) N/A 0.0 ppb (0) N/A 0.11 ppb (1) 11.0 μg/m3 (10) 2.3 μg/m3 (10) 10.0
 
March 14, 2019, 10 p.m. N/A 1.0 ppb (1) 2.1 ppb (2) 5.0 ppb (5) N/A N/A N/A 0.1 ppb (1) 11.0 μg/m3 (10) 2.2 μg/m3 (9) 10.0
 
March 14, 2019, 9 p.m. N/A 0.9 ppb (1) 1.9 ppb (2) 5.0 ppb (5) N/A N/A N/A 0.1 ppb (1) 9.0 μg/m3 (8) 2.1 μg/m3 (9) 9.0
 
March 14, 2019, 8 p.m. N/A 1.0 ppb (1) 2.0 ppb (2) 5.0 ppb (5) N/A N/A N/A 0.1 ppb (1) 9.0 μg/m3 (8) 2.1 μg/m3 (9) 9.0
 
March 14, 2019, 7 p.m. N/A 1.0 ppb (1) 1.8 ppb (2) 5.0 ppb (5) N/A N/A 45.0 ppb (35) 0.1 ppb (1) 10.0 μg/m3 (9) 2.2 μg/m3 (9) 35.0
 
March 14, 2019, 6 p.m. N/A 1.1 ppb (1) 2.2 ppb (2) 5.0 ppb (5) N/A N/A 45.0 ppb (35) 0.13 ppb (1) 9.0 μg/m3 (8) 2.2 μg/m3 (9) 35.0
 
March 14, 2019, 5 p.m. N/A 1.3 ppb (1) 3.0 ppb (3) 6.0 ppb (6) N/A N/A 44.0 ppb (34) 0.13 ppb (1) 10.0 μg/m3 (9) 2.5 μg/m3 (10) 34.0
 
March 14, 2019, 4 p.m. N/A 1.8 ppb (2) 4.3 ppb (4) 7.0 ppb (6) N/A N/A 41.0 ppb (32) 0.14 ppb (2) 9.0 μg/m3 (8) 1.9 μg/m3 (8) 32.0
 
March 14, 2019, 3 p.m. N/A 2.3 ppb (2) 7.7 ppb (7) 9.0 ppb (8) N/A N/A 38.0 ppb (29) 0.16 ppb (2) 10.0 μg/m3 (9) 2.6 μg/m3 (11) 29.0
 
March 14, 2019, 2 p.m. N/A 1.6 ppb (1) 11.0 ppb (10) 14.0 ppb (13) N/A N/A 33.0 ppb (25) 0.18 ppb (2) 11.0 μg/m3 (10) 2.9 μg/m3 (12) 25.0
 
March 14, 2019, 1 p.m. N/A 0.7 ppb (1) 11.5 ppb (11) 16.0 ppb (15) N/A N/A 30.0 ppb (23) 0.19 ppb (2) 8.0 μg/m3 (7) 2.5 μg/m3 (10) 23.0
 
March 14, 2019, noon N/A 0.5 ppb (0) 6.2 ppb (6) 10.0 ppb (9) N/A N/A 36.0 ppb (28) 0.15 ppb (2) 6.0 μg/m3 (5) 1.8 μg/m3 (8) 28.0
 
March 14, 2019, 11 a.m. N/A 0.4 ppb (0) 3.3 ppb (3) 7.0 ppb (6) N/A N/A 39.0 ppb (30) 0.12 ppb (1) 4.0 μg/m3 (4) 1.7 μg/m3 (7) 30.0
 
March 14, 2019, 10 a.m. N/A 0.4 ppb (0) 2.9 ppb (3) 7.0 ppb (6) N/A N/A 41.0 ppb (32) 0.11 ppb (1) 6.0 μg/m3 (5) 1.9 μg/m3 (8) 32.0
 
March 14, 2019, 9 a.m. N/A 0.4 ppb (0) 2.4 ppb (2) 6.0 ppb (6) N/A N/A 41.0 ppb (32) 0.11 ppb (1) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 32.0
 
March 14, 2019, 8 a.m. N/A 0.4 ppb (0) 3.8 ppb (4) 7.0 ppb (6) N/A N/A 39.0 ppb (30) 0.12 ppb (1) 6.0 μg/m3 (5) 2.1 μg/m3 (9) 30.0
 
March 14, 2019, 7 a.m. N/A 0.5 ppb (0) 4.5 ppb (4) 8.0 ppb (7) N/A N/A 40.0 ppb (31) 0.13 ppb (1) 6.0 μg/m3 (5) 2.1 μg/m3 (9) 31.0
 
March 14, 2019, 6 a.m. N/A 0.5 ppb (0) 2.5 ppb (2) 6.0 ppb (6) N/A N/A 44.0 ppb (34) 0.12 ppb (1) 5.0 μg/m3 (5) 1.8 μg/m3 (8) 34.0
 
March 14, 2019, 5 a.m. N/A 0.5 ppb (0) 2.4 ppb (2) 6.0 ppb (6) N/A N/A 46.0 ppb (35) 0.12 ppb (1) 9.0 μg/m3 (8) 2.3 μg/m3 (10) 35.0
 
March 14, 2019, 4 a.m. N/A 0.5 ppb (0) 2.8 ppb (3) 6.0 ppb (6) N/A N/A 45.0 ppb (35) 0.13 ppb (1) 10.0 μg/m3 (9) 2.8 μg/m3 (12) 35.0
 
March 14, 2019, 3 a.m. N/A 0.5 ppb (0) 5.3 ppb (5) 9.0 ppb (8) N/A N/A 44.0 ppb (34) 0.14 ppb (2) 12.0 μg/m3 (11) 3.3 μg/m3 (14) 34.0
 
March 14, 2019, 2 a.m. N/A 0.6 ppb (1) 3.7 ppb (3) 7.0 ppb (6) N/A N/A 45.0 ppb (35) 0.14 ppb (2) 22.0 μg/m3 (20) 4.0 μg/m3 (17) 35.0
 
March 14, 2019, 1 a.m. N/A 0.7 ppb (1) 4.0 ppb (4) 8.0 ppb (7) N/A N/A 46.0 ppb (35) N/A 11.0 μg/m3 (10) 2.7 μg/m3 (11) 35.0
 
March 14, 2019, midnight N/A 1.1 ppb (1) 3.5 ppb (3) 7.0 ppb (6) N/A N/A 48.0 ppb (37) 0.13 ppb (1) 10.0 μg/m3 (9) 1.9 μg/m3 (8) 37.0
 
March 13, 2019, 11 p.m. N/A 1.4 ppb (1) 3.5 ppb (3) 6.0 ppb (6) N/A N/A 50.0 ppb (38) 0.14 ppb (2) 11.0 μg/m3 (10) 2.1 μg/m3 (9) 38.0
 
March 13, 2019, 10 p.m. N/A 1.4 ppb (1) 3.3 ppb (3) 6.0 ppb (6) N/A N/A 51.0 ppb (39) 0.13 ppb (1) 11.0 μg/m3 (10) 2.3 μg/m3 (10) 39.0
 
March 13, 2019, 9 p.m. N/A 1.4 ppb (1) 3.1 ppb (3) 6.0 ppb (6) N/A N/A 50.0 ppb (38) 0.13 ppb (1) 13.0 μg/m3 (12) 2.1 μg/m3 (9) 38.0
 
March 13, 2019, 8 p.m. N/A 2.2 ppb (2) 4.8 ppb (4) 7.0 ppb (6) N/A N/A 48.0 ppb (37) 0.13 ppb (1) 16.0 μg/m3 (15) 2.6 μg/m3 (11) 37.0
 
March 13, 2019, 7 p.m. N/A 1.6 ppb (1) 3.2 ppb (3) 6.0 ppb (6) N/A N/A 46.0 ppb (35) 0.13 ppb (1) 20.0 μg/m3 (18) 2.5 μg/m3 (10) 35.0
 
March 13, 2019, 6 p.m. N/A 1.6 ppb (1) 3.1 ppb (3) 5.0 ppb (5) N/A N/A 46.0 ppb (35) 0.11 ppb (1) 19.0 μg/m3 (17) 2.8 μg/m3 (12) 35.0
 
March 13, 2019, 5 p.m. N/A 1.4 ppb (1) 2.9 ppb (3) 5.0 ppb (5) N/A N/A 46.0 ppb (35) 0.1 ppb (1) 38.0 μg/m3 (35) 3.7 μg/m3 (15) 35.0
 
March 13, 2019, 4 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 45.0 ppb (35) 0.11 ppb (1) 22.0 μg/m3 (20) 2.9 μg/m3 (12) 35.0
 
March 13, 2019, 3 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 43.0 ppb (33) 0.12 ppb (1) 12.0 μg/m3 (11) 2.3 μg/m3 (10) 33.0
 
March 13, 2019, 2 p.m. N/A 1.1 ppb (1) 5.7 ppb (5) 9.0 ppb (8) N/A N/A 42.0 ppb (32) 0.12 ppb (1) 11.0 μg/m3 (10) 2.5 μg/m3 (10) 32.0
 
March 13, 2019, 1 p.m. N/A 0.9 ppb (1) 5.0 ppb (5) N/A N/A N/A 41.0 ppb (32) 0.11 ppb (1) 11.0 μg/m3 (10) 2.4 μg/m3 (10) 32.0
 
March 13, 2019, noon N/A 0.5 ppb (0) 2.7 ppb (3) 6.0 ppb (6) N/A N/A 44.0 ppb (34) 0.1 ppb (1) 11.0 μg/m3 (10) 1.8 μg/m3 (8) 34.0
 
March 13, 2019, 11 a.m. N/A 0.5 ppb (0) 1.5 ppb (1) 5.0 ppb (5) N/A N/A 45.0 ppb (35) 0.09 ppb (1) 9.0 μg/m3 (8) 1.2 μg/m3 (5) 35.0
 
March 13, 2019, 10 a.m. N/A 0.5 ppb (0) 0.9 ppb (1) 5.0 ppb (5) N/A N/A 47.0 ppb (36) 0.08 ppb (1) 9.0 μg/m3 (8) 1.4 μg/m3 (6) 36.0
 
March 13, 2019, 9 a.m. N/A 0.5 ppb (0) 1.4 ppb (1) 5.0 ppb (5) N/A N/A 49.0 ppb (38) 0.08 ppb (1) 9.0 μg/m3 (8) 2.3 μg/m3 (10) 38.0
 
March 13, 2019, 8 a.m. N/A 0.4 ppb (0) 1.4 ppb (1) 5.0 ppb (5) N/A N/A 50.0 ppb (38) 0.08 ppb (1) 7.0 μg/m3 (6) 2.6 μg/m3 (11) 38.0
 
March 13, 2019, 7 a.m. N/A 0.5 ppb (0) 1.1 ppb (1) 5.0 ppb (5) N/A N/A 49.0 ppb (38) 0.08 ppb (1) 11.0 μg/m3 (10) 3.2 μg/m3 (13) 38.0
 
March 13, 2019, 6 a.m. N/A 0.5 ppb (0) 2.0 ppb (2) 5.0 ppb (5) N/A N/A 48.0 ppb (37) 0.09 ppb (1) 41.0 μg/m3 (37) 5.1 μg/m3 (21) 37.0
 
March 13, 2019, 5 a.m. N/A 0.5 ppb (0) 4.2 ppb (4) 7.0 ppb (6) N/A N/A 45.0 ppb (35) 0.11 ppb (1) 29.0 μg/m3 (26) 5.5 μg/m3 (23) 35.0
 
March 13, 2019, 4 a.m. N/A 0.8 ppb (1) 4.8 ppb (4) 8.0 ppb (7) N/A N/A 38.0 ppb (29) 0.11 ppb (1) 10.0 μg/m3 (9) 3.6 μg/m3 (15) 29.0
 
March 13, 2019, 3 a.m. N/A 0.5 ppb (0) 4.4 ppb (4) 8.0 ppb (7) N/A N/A 42.0 ppb (32) 0.11 ppb (1) 10.0 μg/m3 (9) 3.6 μg/m3 (15) 32.0
 
March 13, 2019, 2 a.m. N/A 0.6 ppb (1) 5.4 ppb (5) 9.0 ppb (8) N/A N/A 38.0 ppb (29) 0.13 ppb (1) 12.0 μg/m3 (11) 3.5 μg/m3 (15) 29.0
 
March 13, 2019, 1 a.m. N/A 0.8 ppb (1) 2.9 ppb (3) 6.0 ppb (6) N/A N/A 42.0 ppb (32) 0.1 ppb (1) 12.0 μg/m3 (11) 3.7 μg/m3 (15) 32.0
 
March 13, 2019, midnight N/A 0.8 ppb (1) 2.4 ppb (2) 6.0 ppb (6) N/A N/A 43.0 ppb (33) 0.11 ppb (1) 9.0 μg/m3 (8) 3.2 μg/m3 (13) 33.0
 
March 12, 2019, 11 p.m. N/A 1.0 ppb (1) 2.1 ppb (2) 6.0 ppb (6) N/A N/A 45.0 ppb (35) 0.11 ppb (1) 9.0 μg/m3 (8) 3.5 μg/m3 (15) 35.0
 
March 12, 2019, 10 p.m. N/A 0.7 ppb (1) 1.5 ppb (1) 6.0 ppb (6) N/A N/A 47.0 ppb (36) 0.1 ppb (1) 8.0 μg/m3 (7) 3.5 μg/m3 (15) 36.0
 
March 12, 2019, 9 p.m. N/A 0.7 ppb (1) 0.7 ppb (1) 6.0 ppb (6) N/A N/A 44.0 ppb (34) 0.1 ppb (1) 11.0 μg/m3 (10) 4.4 μg/m3 (18) 34.0
 
March 12, 2019, 8 p.m. N/A 1.2 ppb (1) 3.3 ppb (3) 5.0 ppb (5) N/A N/A 42.0 ppb (32) 0.09 ppb (1) 10.0 μg/m3 (9) 4.4 μg/m3 (18) 32.0
 
March 12, 2019, 7 p.m. N/A 1.1 ppb (1) 3.5 ppb (3) 6.0 ppb (6) N/A N/A 42.0 ppb (32) 0.09 ppb (1) 11.0 μg/m3 (10) 3.9 μg/m3 (16) 32.0
 
March 12, 2019, 6 p.m. N/A 1.4 ppb (1) 4.5 ppb (4) 6.0 ppb (6) N/A N/A 40.0 ppb (31) 0.1 ppb (1) 13.0 μg/m3 (12) 4.1 μg/m3 (17) 31.0
 
March 12, 2019, 5 p.m. N/A 1.8 ppb (2) 6.9 ppb (6) 9.0 ppb (8) N/A 0.0 ppb (0) 36.0 ppb (28) 0.13 ppb (1) 10.0 μg/m3 (9) 4.0 μg/m3 (17) 28.0
 
March 12, 2019, 4 p.m. N/A 2.3 ppb (2) 12.2 ppb (11) 14.0 ppb (13) N/A 0.0 ppb (0) 32.0 ppb (25) 0.17 ppb (2) 11.0 μg/m3 (10) 4.0 μg/m3 (17) 25.0
 
March 12, 2019, 3 p.m. N/A 2.9 ppb (3) 16.1 ppb (15) 17.0 ppb (16) N/A 0.0 ppb (0) 28.0 ppb (22) 0.21 ppb (2) 11.0 μg/m3 (10) 4.3 μg/m3 (18) 22.0
 
March 12, 2019, 2 p.m. N/A 10.5 ppb (10) 44.4 ppb (41) 38.0 ppb (35) N/A 0.0 ppb (0) 5.0 ppb (4) 0.45 ppb (5) 17.0 μg/m3 (15) 7.1 μg/m3 (30) 41.0
 
March 12, 2019, 1 p.m. N/A 2.0 ppb (2) 25.5 ppb (24) 30.0 ppb (28) N/A 0.0 ppb (0) 13.0 ppb (10) 0.28 ppb (3) 12.0 μg/m3 (11) 5.4 μg/m3 (23) 28.0
 
March 12, 2019, noon N/A 0.4 ppb (0) 7.0 ppb (6) 12.0 ppb (11) N/A 0.0 ppb (0) 33.0 ppb (25) 0.13 ppb (1) 9.0 μg/m3 (8) 3.9 μg/m3 (16) 25.0
 
March 12, 2019, 11 a.m. N/A 0.4 ppb (0) 4.0 ppb (4) 8.0 ppb (7) N/A 0.0 ppb (0) 36.0 ppb (28) 0.09 ppb (1) 8.0 μg/m3 (7) 3.8 μg/m3 (16) 28.0
 
March 12, 2019, 10 a.m. N/A 0.4 ppb (0) 3.3 ppb (3) 7.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (30) 0.08 ppb (1) 9.0 μg/m3 (8) 3.7 μg/m3 (15) 30.0
 
March 12, 2019, 9 a.m. N/A 0.4 ppb (0) 1.4 ppb (1) 5.0 ppb (5) N/A 0.0 ppb (0) 42.0 ppb (32) 0.08 ppb (1) 7.0 μg/m3 (6) 3.6 μg/m3 (15) 32.0
 
March 12, 2019, 8 a.m. N/A 0.4 ppb (0) 1.3 ppb (1) 5.0 ppb (5) N/A 0.0 ppb (0) N/A 0.09 ppb (1) 7.0 μg/m3 (6) 3.7 μg/m3 (15) 15.0
 
March 12, 2019, 7 a.m. N/A 0.4 ppb (0) 2.3 ppb (2) 6.0 ppb (6) N/A 0.0 ppb (0) 40.0 ppb (31) 0.1 ppb (1) 7.0 μg/m3 (6) 3.5 μg/m3 (15) 31.0
 
March 12, 2019, 6 a.m. N/A 0.6 ppb (1) 2.5 ppb (2) 6.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (32) 0.12 ppb (1) 7.0 μg/m3 (6) 3.3 μg/m3 (14) 32.0
 
March 12, 2019, 5 a.m. N/A 0.7 ppb (1) 2.5 ppb (2) 6.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (32) 0.09 ppb (1) 8.0 μg/m3 (7) 3.5 μg/m3 (15) 32.0
 
March 12, 2019, 4 a.m. N/A 0.7 ppb (1) 2.0 ppb (2) 5.0 ppb (5) N/A 0.0 ppb (0) 45.0 ppb (35) 0.1 ppb (1) 10.0 μg/m3 (9) 3.7 μg/m3 (15) 35.0