AQSQID: 370670022

Site Name: Hattieaven

Location: Winston-Salem, NC

Reporting: True, Located: True

Current AQI: 38.0

Winston-Salem NC, US: 36.1106, -80.2267

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 19, 2019, 7 p.m. 1.5 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 49.0 ppb (38) N/A 15.0 μg/m3 (14) 5.4 μg/m3 (23) 38.0
 
Sept. 19, 2019, 6 p.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (35) N/A 14.0 μg/m3 (13) 5.6 μg/m3 (23) 35.0
 
Sept. 19, 2019, 5 p.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) N/A 13.0 μg/m3 (12) 6.0 μg/m3 (25) 34.0
 
Sept. 19, 2019, 4 p.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A 15.0 μg/m3 (14) 6.6 μg/m3 (28) 31.0
 
Sept. 19, 2019, 3 p.m. 2.0 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2019, 2 p.m. 1.9 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 5.8 μg/m3 (24) 24.0
 
Sept. 19, 2019, 1 p.m. 4.1 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) N/A 18.0 μg/m3 (16) 5.8 μg/m3 (24) 24.0
 
Sept. 19, 2019, noon 7.9 ppb (7) 1.8 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (12) N/A 14.0 μg/m3 (13) 5.3 μg/m3 (22) 22.0
 
Sept. 19, 2019, 11 a.m. 5.5 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 15.0 ppb (12) N/A 13.0 μg/m3 (12) 5.4 μg/m3 (23) 23.0
 
Sept. 19, 2019, 10 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 16.0 ppb (12) N/A 12.0 μg/m3 (11) 5.3 μg/m3 (22) 22.0
 
Sept. 19, 2019, 9 a.m. 3.7 ppb (3) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 16.0 ppb (12) N/A 11.0 μg/m3 (10) 5.5 μg/m3 (23) 23.0
 
Sept. 19, 2019, 8 a.m. 3.4 ppb (3) -0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (14) N/A 11.0 μg/m3 (10) 5.7 μg/m3 (24) 24.0
 
Sept. 19, 2019, 7 a.m. 3.3 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) N/A 13.0 μg/m3 (12) 5.1 μg/m3 (21) 21.0
 
Sept. 19, 2019, 6 a.m. 2.4 ppb (2) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 11.0 μg/m3 (10) 5.0 μg/m3 (21) 22.0
 
Sept. 19, 2019, 5 a.m. 3.9 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 13.0 μg/m3 (12) 5.7 μg/m3 (24) 24.0
 
Sept. 19, 2019, 4 a.m. 4.7 ppb (4) -0.1 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 13.0 μg/m3 (12) 6.4 μg/m3 (27) 27.0
 
Sept. 19, 2019, 3 a.m. 4.0 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (25) N/A 13.0 μg/m3 (12) 6.6 μg/m3 (28) 28.0
 
Sept. 19, 2019, 2 a.m. 3.7 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 14.0 μg/m3 (13) 7.2 μg/m3 (30) 30.0
 
Sept. 19, 2019, 1 a.m. 4.8 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 17.0 μg/m3 (15) 7.8 μg/m3 (32) 32.0
 
Sept. 19, 2019, midnight 5.7 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 26.0 μg/m3 (24) 12.9 μg/m3 (52) 52.0
 
Sept. 18, 2019, 11 p.m. 5.7 ppb (5) -0.1 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 40.0 ppb (31) N/A 17.0 μg/m3 (15) 7.2 μg/m3 (30) 31.0
 
Sept. 18, 2019, 10 p.m. 4.1 ppb (4) -0.4 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 46.0 ppb (35) N/A 17.0 μg/m3 (15) 7.0 μg/m3 (29) 35.0
 
Sept. 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) N/A 16.0 μg/m3 (15) 7.1 μg/m3 (30) 39.0
 
Sept. 18, 2019, 8 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 51.0 ppb (39) N/A 15.0 μg/m3 (14) 6.6 μg/m3 (28) 39.0
 
Sept. 18, 2019, 7 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 49.0 ppb (38) N/A 16.0 μg/m3 (15) 6.6 μg/m3 (28) 38.0
 
Sept. 18, 2019, 6 p.m. 1.2 ppb (1) -0.5 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 47.0 ppb (36) N/A 15.0 μg/m3 (14) 5.9 μg/m3 (25) 36.0
 
Sept. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A 15.0 μg/m3 (14) 5.5 μg/m3 (23) 35.0
 
Sept. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A 14.0 μg/m3 (13) 5.5 μg/m3 (23) 33.0
 
Sept. 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A 14.0 μg/m3 (13) 5.3 μg/m3 (22) 30.0
 
Sept. 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A 14.0 μg/m3 (13) 5.3 μg/m3 (22) 28.0
 
Sept. 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A 16.0 μg/m3 (15) 5.4 μg/m3 (23) 26.0
 
Sept. 18, 2019, noon 4.9 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 13.0 μg/m3 (12) 5.3 μg/m3 (22) 25.0
 
Sept. 18, 2019, 11 a.m. 3.3 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 12.0 μg/m3 (11) 5.8 μg/m3 (24) 26.0
 
Sept. 18, 2019, 10 a.m. 2.0 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) N/A 13.0 μg/m3 (12) 6.6 μg/m3 (28) 28.0
 
Sept. 18, 2019, 9 a.m. 1.3 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 13.0 μg/m3 (12) 6.9 μg/m3 (29) 29.0
 
Sept. 18, 2019, 8 a.m. 1.0 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) N/A 13.0 μg/m3 (12) 6.7 μg/m3 (28) 28.0
 
Sept. 18, 2019, 7 a.m. 1.2 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) N/A 13.0 μg/m3 (12) 6.4 μg/m3 (27) 29.0
 
Sept. 18, 2019, 6 a.m. 1.0 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) N/A 13.0 μg/m3 (12) 6.7 μg/m3 (28) 31.0
 
Sept. 18, 2019, 5 a.m. 1.0 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (32) N/A 13.0 μg/m3 (12) 6.8 μg/m3 (28) 32.0
 
Sept. 18, 2019, 4 a.m. 1.2 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) N/A 13.0 μg/m3 (12) 7.3 μg/m3 (30) 31.0
 
Sept. 18, 2019, 3 a.m. 1.4 ppb (1) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (32) N/A 13.0 μg/m3 (12) 7.1 μg/m3 (30) 32.0
 
Sept. 18, 2019, 2 a.m. 2.6 ppb (2) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 41.0 ppb (32) N/A 15.0 μg/m3 (14) 8.5 μg/m3 (35) 35.0
 
Sept. 18, 2019, 1 a.m. 2.5 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (33) N/A 23.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
Sept. 18, 2019, midnight 2.9 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 49.0 ppb (38) N/A 28.0 μg/m3 (25) 17.6 μg/m3 (62) 62.0
 
Sept. 17, 2019, 11 p.m. 2.9 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 55.0 ppb (42) N/A 30.0 μg/m3 (27) 18.7 μg/m3 (64) 64.0
 
Sept. 17, 2019, 10 p.m. 2.6 ppb (2) -0.5 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 61.0 ppb (47) N/A 24.0 μg/m3 (22) 12.4 μg/m3 (51) 51.0
 
Sept. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 62.0 ppb (48) N/A 26.0 μg/m3 (24) 11.6 μg/m3 (48) 48.0
 
Sept. 17, 2019, 8 p.m. 2.7 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 61.0 ppb (47) N/A 20.0 μg/m3 (18) 10.8 μg/m3 (45) 47.0
 
Sept. 17, 2019, 7 p.m. 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 59.0 ppb (45) N/A 21.0 μg/m3 (19) 10.8 μg/m3 (45) 45.0
 
Sept. 17, 2019, 6 p.m. 2.6 ppb (2) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 56.0 ppb (43) N/A 20.0 μg/m3 (18) 10.3 μg/m3 (43) 43.0
 
Sept. 17, 2019, 5 p.m. 3.1 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 59.0 ppb (45) N/A 20.0 μg/m3 (18) 9.9 μg/m3 (41) 45.0
 
Sept. 17, 2019, 4 p.m. 2.8 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 53.0 ppb (41) N/A 19.0 μg/m3 (17) 9.4 μg/m3 (39) 41.0
 
Sept. 17, 2019, 3 p.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (34) N/A 19.0 μg/m3 (17) 9.5 μg/m3 (40) 40.0
 
Sept. 17, 2019, 2 p.m. 3.0 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (35) N/A 25.0 μg/m3 (23) 10.2 μg/m3 (42) 42.0
 
Sept. 17, 2019, 1 p.m. 13.7 ppb (13) 3.3 ppb (3) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 31.0 μg/m3 (28) 11.5 μg/m3 (48) 48.0
 
Sept. 17, 2019, noon 21.1 ppb (20) 7.4 ppb (7) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 10.0 ppb (8) N/A 28.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
Sept. 17, 2019, 11 a.m. 19.1 ppb (18) 6.6 ppb (6) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 3.0 ppb (2) N/A 23.0 μg/m3 (21) 10.6 μg/m3 (44) 44.0
 
Sept. 17, 2019, 10 a.m. 9.6 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 8.0 ppb (6) N/A 18.0 μg/m3 (16) 9.8 μg/m3 (41) 41.0
 
Sept. 17, 2019, 9 a.m. 8.2 ppb (8) 0.1 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 11.0 ppb (8) N/A 17.0 μg/m3 (15) 9.3 μg/m3 (39) 39.0
 
Sept. 17, 2019, 8 a.m. 7.7 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 7.0 ppb (5) N/A 15.0 μg/m3 (14) 8.5 μg/m3 (35) 35.0
 
Sept. 17, 2019, 7 a.m. 9.5 ppb (9) 0.2 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 8.0 ppb (6) N/A 17.0 μg/m3 (15) 8.8 μg/m3 (37) 37.0
 
Sept. 17, 2019, 6 a.m. 12.1 ppb (11) 0.2 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 9.0 ppb (7) N/A 16.0 μg/m3 (15) 8.7 μg/m3 (36) 36.0
 
Sept. 17, 2019, 5 a.m. 12.9 ppb (12) 0.0 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 16.0 ppb (12) N/A 17.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2019, 4 a.m. 12.3 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 24.0 ppb (18) N/A 17.0 μg/m3 (15) 8.6 μg/m3 (36) 36.0
 
Sept. 17, 2019, 3 a.m. 13.8 ppb (13) 0.1 ppb (0) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 22.0 ppb (17) N/A 17.0 μg/m3 (15) 8.5 μg/m3 (35) 35.0
 
Sept. 17, 2019, 2 a.m. 15.4 ppb (14) 0.0 ppb (0) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 19.0 ppb (15) N/A 22.0 μg/m3 (20) 8.6 μg/m3 (36) 36.0
 
Sept. 17, 2019, 1 a.m. 9.1 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 39.0 ppb (30) N/A 18.0 μg/m3 (16) 7.8 μg/m3 (32) 32.0
 
Sept. 17, 2019, midnight 16.5 ppb (15) 0.0 ppb (0) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 30.0 μg/m3 (27) 8.2 μg/m3 (34) 34.0
 
Sept. 16, 2019, 11 p.m. 8.7 ppb (8) -0.1 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 45.0 ppb (35) N/A 19.0 μg/m3 (17) 7.7 μg/m3 (32) 35.0
 
Sept. 16, 2019, 10 p.m. 4.5 ppb (4) -0.2 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 53.0 ppb (41) N/A 18.0 μg/m3 (16) 7.3 μg/m3 (30) 41.0
 
Sept. 16, 2019, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 58.0 ppb (45) N/A 16.0 μg/m3 (15) 7.1 μg/m3 (30) 45.0
 
Sept. 16, 2019, 8 p.m. 2.6 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 60.0 ppb (46) N/A 17.0 μg/m3 (15) 7.7 μg/m3 (32) 46.0
 
Sept. 16, 2019, 7 p.m. 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 62.0 ppb (48) N/A 17.0 μg/m3 (15) 8.2 μg/m3 (34) 48.0
 
Sept. 16, 2019, 6 p.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 55.0 ppb (42) N/A 15.0 μg/m3 (14) 8.0 μg/m3 (33) 42.0
 
Sept. 16, 2019, 5 p.m. 1.3 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 51.0 ppb (39) N/A 18.0 μg/m3 (16) 8.8 μg/m3 (37) 39.0
 
Sept. 16, 2019, 4 p.m. 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 53.0 ppb (41) N/A 24.0 μg/m3 (22) 10.7 μg/m3 (45) 45.0
 
Sept. 16, 2019, 3 p.m. 3.4 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 50.0 ppb (38) N/A 23.0 μg/m3 (21) 11.2 μg/m3 (47) 47.0
 
Sept. 16, 2019, 2 p.m. 4.9 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (30) N/A 24.0 μg/m3 (22) 11.1 μg/m3 (46) 46.0
 
Sept. 16, 2019, 1 p.m. 4.3 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) N/A 21.0 μg/m3 (19) 10.4 μg/m3 (43) 43.0
 
Sept. 16, 2019, noon 5.8 ppb (5) 1.1 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 19.0 ppb (15) N/A 19.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2019, 11 a.m. 7.7 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (9) N/A 15.0 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
Sept. 16, 2019, 10 a.m. 4.5 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 15.0 ppb (12) N/A 16.0 μg/m3 (15) 8.8 μg/m3 (37) 37.0
 
Sept. 16, 2019, 9 a.m. 2.7 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 17.0 ppb (13) N/A 14.0 μg/m3 (13) 8.6 μg/m3 (36) 36.0
 
Sept. 16, 2019, 8 a.m. 2.5 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (15) N/A 13.0 μg/m3 (12) 8.5 μg/m3 (35) 35.0
 
Sept. 16, 2019, 7 a.m. 2.7 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) N/A 15.0 μg/m3 (14) 8.8 μg/m3 (37) 37.0
 
Sept. 16, 2019, 6 a.m. 4.2 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (14) N/A 15.0 μg/m3 (14) 10.2 μg/m3 (42) 42.0
 
Sept. 16, 2019, 5 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (18) N/A 14.0 μg/m3 (13) 9.2 μg/m3 (38) 38.0
 
Sept. 16, 2019, 4 a.m. 6.5 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (16) N/A 17.0 μg/m3 (15) 10.4 μg/m3 (43) 43.0
 
Sept. 16, 2019, 3 a.m. 4.9 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 16.0 μg/m3 (15) 10.1 μg/m3 (42) 42.0
 
Sept. 16, 2019, 2 a.m. 7.5 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 27.0 ppb (21) N/A 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2019, 1 a.m. 7.9 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 32.0 ppb (25) N/A 19.0 μg/m3 (17) 10.6 μg/m3 (44) 44.0
 
Sept. 16, 2019, midnight 6.7 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (28) N/A 18.0 μg/m3 (16) 9.4 μg/m3 (39) 39.0
 
Sept. 15, 2019, 11 p.m. 4.9 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 44.0 ppb (34) N/A 15.0 μg/m3 (14) 8.7 μg/m3 (36) 36.0
 
Sept. 15, 2019, 10 p.m. 0.2 ppb (0) -2.6 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 51.0 ppb (39) N/A 17.0 μg/m3 (15) 8.6 μg/m3 (36) 39.0
 
Sept. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 51.0 ppb (39) N/A 15.0 μg/m3 (14) 9.1 μg/m3 (38) 39.0
 
Sept. 15, 2019, 8 p.m. 1.4 ppb (1) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 55.0 ppb (42) N/A 18.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, 7 p.m. 1.4 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 51.0 ppb (39) N/A 17.0 μg/m3 (15) 10.7 μg/m3 (45) 45.0
 
Sept. 15, 2019, 6 p.m. 1.2 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 50.0 ppb (38) N/A 19.0 μg/m3 (17) 10.7 μg/m3 (45) 45.0
 
Sept. 15, 2019, 5 p.m. 1.3 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (35) N/A 17.0 μg/m3 (15) 10.3 μg/m3 (43) 43.0
 
Sept. 15, 2019, 4 p.m. 1.5 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (34) N/A 19.0 μg/m3 (17) 10.3 μg/m3 (43) 43.0
 
Sept. 15, 2019, 3 p.m. 2.5 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) N/A 19.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, 2 p.m. 4.5 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (31) N/A 19.0 μg/m3 (17) 9.9 μg/m3 (41) 41.0
 
Sept. 15, 2019, 1 p.m. 4.1 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 18.0 μg/m3 (16) 10.6 μg/m3 (44) 44.0
 
Sept. 15, 2019, noon 5.4 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 15.0 ppb (12) N/A 19.0 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
Sept. 15, 2019, 11 a.m. 7.7 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 4.0 ppb (3) N/A 17.0 μg/m3 (15) 11.5 μg/m3 (48) 48.0
 
Sept. 15, 2019, 10 a.m. 7.0 ppb (6) 0.3 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 5.0 ppb (4) N/A 18.0 μg/m3 (16) 11.8 μg/m3 (49) 49.0
 
Sept. 15, 2019, 9 a.m. 7.8 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 4.0 ppb (3) N/A 17.0 μg/m3 (15) 11.2 μg/m3 (47) 47.0
 
Sept. 15, 2019, 8 a.m. 8.5 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 5.0 ppb (4) N/A 19.0 μg/m3 (17) 11.6 μg/m3 (48) 48.0
 
Sept. 15, 2019, 7 a.m. 8.0 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 3.0 ppb (2) N/A 17.0 μg/m3 (15) 11.2 μg/m3 (47) 47.0
 
Sept. 15, 2019, 6 a.m. 12.1 ppb (11) 1.9 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 2.0 ppb (2) N/A 19.0 μg/m3 (17) 11.7 μg/m3 (49) 49.0
 
Sept. 15, 2019, 5 a.m. 16.0 ppb (15) 0.3 ppb (0) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 6.0 ppb (5) N/A 19.0 μg/m3 (17) 12.2 μg/m3 (50) 50.0
 
Sept. 15, 2019, 4 a.m. 16.3 ppb (15) 0.3 ppb (0) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 7.0 ppb (5) N/A 19.0 μg/m3 (17) 12.3 μg/m3 (51) 51.0
 
Sept. 15, 2019, 3 a.m. 14.0 ppb (13) 0.3 ppb (0) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 9.0 ppb (7) N/A 19.0 μg/m3 (17) 11.6 μg/m3 (48) 48.0
 
Sept. 15, 2019, 2 a.m. 24.0 ppb (22) 0.6 ppb (1) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 8.0 ppb (6) N/A 22.0 μg/m3 (20) 12.2 μg/m3 (50) 50.0
 
Sept. 15, 2019, 1 a.m. 16.3 ppb (15) 0.1 ppb (0) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 19.0 ppb (15) N/A 20.0 μg/m3 (18) 10.6 μg/m3 (44) 44.0
 
Sept. 15, 2019, midnight 7.2 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) N/A 17.0 μg/m3 (15) 9.8 μg/m3 (41) 41.0
 
Sept. 14, 2019, 11 p.m. 3.1 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (35) N/A 17.0 μg/m3 (15) 9.3 μg/m3 (39) 39.0
 
Sept. 14, 2019, 10 p.m. 2.5 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (35) N/A 15.0 μg/m3 (14) 8.5 μg/m3 (35) 35.0
 
Sept. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) N/A 15.0 μg/m3 (14) 8.3 μg/m3 (35) 38.0
 
Sept. 14, 2019, 8 p.m. 1.9 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 49.0 ppb (38) N/A 14.0 μg/m3 (13) 8.3 μg/m3 (35) 38.0
 
Sept. 14, 2019, 7 p.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (35) N/A 14.0 μg/m3 (13) 8.3 μg/m3 (35) 35.0
 
Sept. 14, 2019, 6 p.m. 2.4 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (32) N/A 14.0 μg/m3 (13) 8.3 μg/m3 (35) 35.0
 
Sept. 14, 2019, 5 p.m. 1.9 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (30) N/A 16.0 μg/m3 (15) 8.4 μg/m3 (35) 35.0
 
Sept. 14, 2019, 4 p.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 15.0 μg/m3 (14) 8.0 μg/m3 (33) 33.0
 
Sept. 14, 2019, 3 p.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 15.0 μg/m3 (14) 7.7 μg/m3 (32) 32.0
 
Sept. 14, 2019, 2 p.m. 1.6 ppb (1) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 14.0 μg/m3 (13) 7.6 μg/m3 (32) 32.0
 
Sept. 14, 2019, 1 p.m. 1.4 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (18) N/A 17.0 μg/m3 (15) 8.6 μg/m3 (36) 36.0
 
Sept. 14, 2019, noon 2.1 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (18) N/A 18.0 μg/m3 (16) 8.7 μg/m3 (36) 36.0
 
Sept. 14, 2019, 11 a.m. 2.1 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (18) N/A 17.0 μg/m3 (15) 8.5 μg/m3 (35) 35.0
 
Sept. 14, 2019, 10 a.m. 1.9 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) N/A 13.0 μg/m3 (12) 6.5 μg/m3 (27) 27.0
 
Sept. 14, 2019, 9 a.m. 1.1 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 10.0 μg/m3 (9) 5.2 μg/m3 (22) 25.0
 
Sept. 14, 2019, 8 a.m. 0.9 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 10.0 μg/m3 (9) 5.7 μg/m3 (24) 26.0
 
Sept. 14, 2019, 7 a.m. 1.1 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 11.0 μg/m3 (10) 5.8 μg/m3 (24) 25.0
 
Sept. 14, 2019, 6 a.m. 1.2 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (23) N/A 10.0 μg/m3 (9) 5.5 μg/m3 (23) 23.0
 
Sept. 14, 2019, 5 a.m. 1.5 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 10.0 μg/m3 (9) 5.2 μg/m3 (22) 24.0
 
Sept. 14, 2019, 4 a.m. 1.4 ppb (1) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) N/A 10.0 μg/m3 (9) 4.9 μg/m3 (20) 25.0
 
Sept. 14, 2019, 3 a.m. 1.9 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) N/A 9.0 μg/m3 (8) 4.8 μg/m3 (20) 25.0
 
Sept. 14, 2019, 2 a.m. 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 9.0 μg/m3 (8) 5.3 μg/m3 (22) 24.0
 
Sept. 14, 2019, 1 a.m. 2.6 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 12.0 μg/m3 (11) 7.1 μg/m3 (30) 30.0
 
Sept. 14, 2019, midnight 2.6 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (28) N/A 16.0 μg/m3 (15) 9.5 μg/m3 (40) 40.0
 
Sept. 13, 2019, 11 p.m. 2.9 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (29) N/A 17.0 μg/m3 (15) 11.3 μg/m3 (47) 47.0
 
Sept. 13, 2019, 10 p.m. 1.7 ppb (2) -1.6 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (33) N/A 17.0 μg/m3 (15) 11.7 μg/m3 (49) 49.0
 
Sept. 13, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) N/A 16.0 μg/m3 (15) 10.4 μg/m3 (43) 43.0
 
Sept. 13, 2019, 8 p.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 50.0 ppb (38) N/A 18.0 μg/m3 (16) 10.8 μg/m3 (45) 45.0
 
Sept. 13, 2019, 7 p.m. 1.9 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 49.0 ppb (38) N/A 18.0 μg/m3 (16) 12.2 μg/m3 (50) 50.0
 
Sept. 13, 2019, 6 p.m. 2.2 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 50.0 ppb (38) N/A 21.0 μg/m3 (19) 15.3 μg/m3 (57) 57.0
 
Sept. 13, 2019, 5 p.m. 1.9 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A 20.0 μg/m3 (18) 13.2 μg/m3 (53) 53.0
 
Sept. 13, 2019, 4 p.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) N/A 21.0 μg/m3 (19) 12.1 μg/m3 (50) 50.0
 
Sept. 13, 2019, 3 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) N/A 19.0 μg/m3 (17) 13.2 μg/m3 (53) 53.0
 
Sept. 13, 2019, 2 p.m. 2.2 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) N/A 19.0 μg/m3 (17) 13.7 μg/m3 (54) 54.0
 
Sept. 13, 2019, 1 p.m. 4.0 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 19.0 μg/m3 (17) 12.9 μg/m3 (52) 52.0
 
Sept. 13, 2019, noon 5.5 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 22.0 ppb (17) N/A 19.0 μg/m3 (17) 13.3 μg/m3 (53) 53.0
 
Sept. 13, 2019, 11 a.m. 4.6 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (18) N/A 19.0 μg/m3 (17) 13.4 μg/m3 (53) 53.0
 
Sept. 13, 2019, 10 a.m. 3.5 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 18.0 μg/m3 (16) 12.7 μg/m3 (51) 51.0
 
Sept. 13, 2019, 9 a.m. 3.5 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 18.0 μg/m3 (16) 12.2 μg/m3 (50) 50.0
 
Sept. 13, 2019, 8 a.m. 3.6 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (18) N/A 19.0 μg/m3 (17) 12.7 μg/m3 (51) 51.0
 
Sept. 13, 2019, 7 a.m. 5.6 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (15) N/A 19.0 μg/m3 (17) 13.6 μg/m3 (53) 53.0
 
Sept. 13, 2019, 6 a.m. 13.6 ppb (13) 0.1 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 14.0 ppb (11) N/A 23.0 μg/m3 (21) 14.4 μg/m3 (55) 55.0
 
Sept. 13, 2019, 5 a.m. 12.3 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 20.0 ppb (15) N/A 22.0 μg/m3 (20) 13.9 μg/m3 (54) 54.0
 
Sept. 13, 2019, 4 a.m. 9.3 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 21.0 μg/m3 (19) 13.6 μg/m3 (53) 53.0
 
Sept. 13, 2019, 3 a.m. 4.6 ppb (4) -0.1 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 42.0 ppb (32) N/A 19.0 μg/m3 (17) 12.8 μg/m3 (52) 52.0
 
Sept. 13, 2019, 2 a.m. 4.1 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (31) N/A 20.0 μg/m3 (18) 12.7 μg/m3 (51) 51.0
 
Sept. 13, 2019, 1 a.m. 10.7 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 32.0 ppb (25) N/A 23.0 μg/m3 (21) 13.3 μg/m3 (53) 53.0
 
Sept. 13, 2019, midnight 14.0 ppb (13) 0.0 ppb (0) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 37.0 ppb (28) N/A 30.0 μg/m3 (27) 15.1 μg/m3 (57) 57.0
 
Sept. 12, 2019, 11 p.m. 9.9 ppb (9) -0.1 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 44.0 ppb (34) N/A 22.0 μg/m3 (20) 11.7 μg/m3 (49) 49.0
 
Sept. 12, 2019, 10 p.m. 6.2 ppb (6) -0.4 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 48.0 ppb (37) N/A 16.0 μg/m3 (15) 9.6 μg/m3 (40) 40.0
 
Sept. 12, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (43) N/A 22.0 μg/m3 (20) 13.4 μg/m3 (53) 53.0
 
Sept. 12, 2019, 8 p.m. 2.6 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 57.0 ppb (44) N/A 21.0 μg/m3 (19) 13.1 μg/m3 (52) 52.0