AQSQID: 320311005

Site Name: Sparks

Location: Sparks, NV

Reporting: True, Located: True

Current AQI: 25.0

Sparks NV, US: 39.540916, -119.746758

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 16.0 ppb (12) 0.2 ppb (2) 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 0.3 ppb (3) 3.0 μg/m3 (3) 1.0 μg/m3 (4) 9.0
 
Jan. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.5 ppb (6) 20.0 μg/m3 (18) 17.0 μg/m3 (61) 61.0
 
Jan. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.4 ppb (4) 8.0 μg/m3 (7) 7.0 μg/m3 (29) 29.0
 
Jan. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.2 ppb (2) 6.0 μg/m3 (5) 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.3 ppb (3) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
Jan. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.4 ppb (4) 7.0 μg/m3 (6) 1.0 μg/m3 (4) 6.0
 
Jan. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.4 ppb (4) 11.0 μg/m3 (10) 2.0 μg/m3 (8) 10.0
 
Jan. 16, 2019, midnight N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 0.3 ppb (3) 10.0 μg/m3 (9) 1.0 μg/m3 (4) 9.0
 
Jan. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.2 ppb (2) 7.0 μg/m3 (6) 1.0 μg/m3 (4) 16.0
 
Jan. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.2 ppb (2) 8.0 μg/m3 (7) 1.0 μg/m3 (4) 21.0
 
Jan. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.2 ppb (2) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 21.0
 
Jan. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.2 ppb (2) 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.3 ppb (3) 12.0 μg/m3 (11) 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.6 ppb (7) 47.0 μg/m3 (43) 15.0 μg/m3 (56) 56.0
 
Jan. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.4 ppb (16) 64.0 μg/m3 (54) 19.0 μg/m3 (65) 65.0
 
Jan. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.6 ppb (18) 36.0 μg/m3 (33) 14.0 μg/m3 (54) 54.0
 
Jan. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.8 ppb (20) 26.0 μg/m3 (24) 15.0 μg/m3 (56) 56.0
 
Jan. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.1 ppb (12) 22.0 μg/m3 (20) 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.7 ppb (8) 28.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
Jan. 15, 2019, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.6 ppb (7) 16.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
Jan. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.5 ppb (6) 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.4 ppb (4) 15.0 μg/m3 (14) 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.6 ppb (7) 23.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.6 ppb (7) 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.3 ppb (3) 20.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.3 ppb (3) 25.0 μg/m3 (23) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.3 ppb (3) 28.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.3 ppb (3) 50.0 μg/m3 (45) 3.0 μg/m3 (12) 45.0
 
Jan. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.4 ppb (4) 29.0 μg/m3 (26) 2.0 μg/m3 (8) 26.0
 
Jan. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.3 ppb (3) 31.0 μg/m3 (28) 1.0 μg/m3 (4) 28.0
 
Jan. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.2 ppb (2) 12.0 μg/m3 (11) -3.0 μg/m3 (0) 13.0
 
Jan. 15, 2019, midnight N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.2 ppb (2) 17.0 μg/m3 (15) 1.0 μg/m3 (4) 18.0
 
Jan. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.2 ppb (2) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 22.0
 
Jan. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.1 ppb (1) 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.1 ppb (1) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 26.0
 
Jan. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.1 ppb (1) 8.0 μg/m3 (7) 5.0 μg/m3 (21) 27.0
 
Jan. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.1 ppb (1) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 25.0
 
Jan. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.4 ppb (4) 35.0 μg/m3 (32) 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.6 ppb (18) 54.0 μg/m3 (49) 20.0 μg/m3 (67) 67.0
 
Jan. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.9 ppb (21) 37.0 μg/m3 (34) 14.0 μg/m3 (54) 54.0
 
Jan. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.4 ppb (16) 17.0 μg/m3 (15) 18.0 μg/m3 (63) 63.0
 
Jan. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (11) 20.0 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
Jan. 14, 2019, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.9 ppb (10) 27.0 μg/m3 (25) 19.0 μg/m3 (65) 65.0
 
Jan. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (11) 29.0 μg/m3 (26) 22.0 μg/m3 (71) 71.0
 
Jan. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.9 ppb (10) 24.0 μg/m3 (22) 18.0 μg/m3 (63) 63.0
 
Jan. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.9 ppb (10) 30.0 μg/m3 (27) 17.0 μg/m3 (61) 61.0
 
Jan. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.1 ppb (12) 46.0 μg/m3 (42) 23.0 μg/m3 (73) 73.0
 
Jan. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.4 ppb (16) 92.0 μg/m3 (68) 40.0 μg/m3 (111) 111.0
 
Jan. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.2 ppb (13) 59.0 μg/m3 (52) 34.0 μg/m3 (97) 97.0
 
Jan. 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.0 ppb (11) 43.0 μg/m3 (39) 24.0 μg/m3 (76) 76.0
 
Jan. 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.0 ppb (11) 50.0 μg/m3 (45) 31.0 μg/m3 (90) 90.0
 
Jan. 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.8 ppb (9) 51.0 μg/m3 (46) 27.0 μg/m3 (82) 82.0
 
Jan. 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.4 ppb (4) 23.0 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.2 ppb (2) 11.0 μg/m3 (10) 5.0 μg/m3 (21) 23.0
 
Jan. 14, 2019, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.1 ppb (1) 8.0 μg/m3 (7) 4.0 μg/m3 (17) 25.0
 
Jan. 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.1 ppb (1) 9.0 μg/m3 (8) 3.0 μg/m3 (12) 28.0
 
Jan. 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.1 ppb (1) 7.0 μg/m3 (6) 5.0 μg/m3 (21) 28.0
 
Jan. 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.2 ppb (2) 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.2 ppb (2) 6.0 μg/m3 (5) 8.0 μg/m3 (33) 33.0
 
Jan. 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.3 ppb (3) 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Jan. 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 0.4 ppb (4) 15.0 μg/m3 (14) 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 0.5 ppb (6) 15.0 μg/m3 (14) 13.0 μg/m3 (52) 52.0
 
Jan. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.8 ppb (9) 42.0 μg/m3 (38) 16.0 μg/m3 (59) 59.0
 
Jan. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.2 ppb (13) 26.0 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.9 ppb (10) 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.8 ppb (9) 18.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2019, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.1 ppb (12) 31.0 μg/m3 (28) 21.0 μg/m3 (69) 69.0
 
Jan. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.2 ppb (13) 33.0 μg/m3 (30) 21.0 μg/m3 (69) 69.0
 
Jan. 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.2 ppb (13) 36.0 μg/m3 (33) 21.0 μg/m3 (69) 69.0
 
Jan. 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.1 ppb (12) 31.0 μg/m3 (28) 19.0 μg/m3 (65) 65.0
 
Jan. 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (11) 31.0 μg/m3 (28) 13.0 μg/m3 (52) 52.0
 
Jan. 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (11) 28.0 μg/m3 (25) 21.0 μg/m3 (69) 69.0
 
Jan. 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.2 ppb (13) 41.0 μg/m3 (37) 29.0 μg/m3 (86) 86.0
 
Jan. 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.0 ppb (11) 48.0 μg/m3 (44) 31.0 μg/m3 (90) 90.0
 
Jan. 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.8 ppb (9) 46.0 μg/m3 (42) 24.0 μg/m3 (76) 76.0
 
Jan. 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.5 ppb (6) 33.0 μg/m3 (30) 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.2 ppb (2) 2.0 μg/m3 (2) 3.0 μg/m3 (12) 18.0
 
Jan. 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.2 ppb (2) 19.0 μg/m3 (17) 4.0 μg/m3 (17) 18.0
 
Jan. 13, 2019, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.2 ppb (2) 10.0 μg/m3 (9) 4.0 μg/m3 (17) 23.0
 
Jan. 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.1 ppb (1) 4.0 μg/m3 (4) 4.0 μg/m3 (17) 27.0
 
Jan. 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.1 ppb (1) 5.0 μg/m3 (5) 4.0 μg/m3 (17) 26.0
 
Jan. 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.2 ppb (2) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 25.0
 
Jan. 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.2 ppb (2) 15.0 μg/m3 (14) 4.0 μg/m3 (17) 18.0
 
Jan. 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.3 ppb (3) 22.0 μg/m3 (20) 8.0 μg/m3 (33) 33.0
 
Jan. 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.7 ppb (8) 25.0 μg/m3 (23) 17.0 μg/m3 (61) 61.0
 
Jan. 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.9 ppb (10) 35.0 μg/m3 (32) 20.0 μg/m3 (67) 67.0
 
Jan. 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.4 ppb (16) 34.0 μg/m3 (31) 19.0 μg/m3 (65) 65.0
 
Jan. 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.5 ppb (17) 33.0 μg/m3 (30) 17.0 μg/m3 (61) 61.0
 
Jan. 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.3 ppb (14) 42.0 μg/m3 (38) 15.0 μg/m3 (56) 56.0
 
Jan. 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.2 ppb (13) 45.0 μg/m3 (41) 19.0 μg/m3 (65) 65.0
 
Jan. 12, 2019, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.1 ppb (12) 47.0 μg/m3 (43) 14.0 μg/m3 (54) 54.0
 
Jan. 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.9 ppb (10) 27.0 μg/m3 (25) 17.0 μg/m3 (61) 61.0
 
Jan. 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.1 ppb (12) 46.0 μg/m3 (42) 29.0 μg/m3 (86) 86.0
 
Jan. 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.1 ppb (12) 40.0 μg/m3 (36) 27.0 μg/m3 (82) 82.0
 
Jan. 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.2 ppb (13) 41.0 μg/m3 (37) 26.0 μg/m3 (80) 80.0
 
Jan. 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.3 ppb (14) 48.0 μg/m3 (44) 33.0 μg/m3 (95) 95.0
 
Jan. 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.2 ppb (13) 44.0 μg/m3 (40) 24.0 μg/m3 (76) 76.0
 
Jan. 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.2 ppb (13) 44.0 μg/m3 (40) 30.0 μg/m3 (88) 88.0
 
Jan. 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.6 ppb (7) 28.0 μg/m3 (25) 16.0 μg/m3 (59) 59.0
 
Jan. 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 0.3 ppb (3) 21.0 μg/m3 (19) 7.0 μg/m3 (29) 29.0
 
Jan. 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.7 ppb (8) 41.0 μg/m3 (37) 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.3 ppb (3) 28.0 μg/m3 (25) 1.0 μg/m3 (4) 25.0
 
Jan. 12, 2019, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.2 ppb (2) 9.0 μg/m3 (8) 3.0 μg/m3 (12) 20.0
 
Jan. 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.2 ppb (2) 18.0 μg/m3 (16) 3.0 μg/m3 (12) 21.0
 
Jan. 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.2 ppb (2) 24.0 μg/m3 (22) 3.0 μg/m3 (12) 22.0
 
Jan. 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.2 ppb (2) 27.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
Jan. 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 0.4 ppb (4) 48.0 μg/m3 (44) 11.0 μg/m3 (46) 46.0
 
Jan. 11, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.5 ppb (6) 36.0 μg/m3 (33) 14.0 μg/m3 (54) 54.0
 
Jan. 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.6 ppb (7) 55.0 μg/m3 (50) 11.0 μg/m3 (46) 50.0
 
Jan. 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.5 ppb (17) 86.0 μg/m3 (66) 25.0 μg/m3 (78) 78.0
 
Jan. 11, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.6 ppb (18) 56.0 μg/m3 (50) 19.0 μg/m3 (65) 65.0
 
Jan. 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.7 ppb (19) 49.0 μg/m3 (45) 17.0 μg/m3 (61) 61.0
 
Jan. 11, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.5 ppb (17) 43.0 μg/m3 (39) 16.0 μg/m3 (59) 59.0
 
Jan. 11, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.2 ppb (13) 28.0 μg/m3 (25) 15.0 μg/m3 (56) 56.0
 
Jan. 11, 2019, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.1 ppb (12) 31.0 μg/m3 (28) 14.0 μg/m3 (54) 54.0
 
Jan. 11, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.2 ppb (13) 39.0 μg/m3 (35) 22.0 μg/m3 (71) 71.0
 
Jan. 11, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.4 ppb (16) 43.0 μg/m3 (39) 29.0 μg/m3 (86) 86.0
 
Jan. 11, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.4 ppb (16) 43.0 μg/m3 (39) 22.0 μg/m3 (71) 71.0
 
Jan. 11, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.6 ppb (18) 59.0 μg/m3 (52) 29.0 μg/m3 (86) 86.0
 
Jan. 11, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.6 ppb (18) 63.0 μg/m3 (54) 30.0 μg/m3 (88) 88.0
 
Jan. 11, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.6 ppb (18) 73.0 μg/m3 (59) 26.0 μg/m3 (80) 80.0
 
Jan. 11, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.4 ppb (16) 72.0 μg/m3 (58) 15.0 μg/m3 (56) 58.0
 
Jan. 11, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.4 ppb (16) 84.0 μg/m3 (64) 21.0 μg/m3 (69) 69.0
 
Jan. 11, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.4 ppb (16) 113.0 μg/m3 (79) 25.0 μg/m3 (78) 79.0
 
Jan. 11, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.1 ppb (12) 65.0 μg/m3 (55) 6.0 μg/m3 (25) 55.0
 
Jan. 11, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 0.5 ppb (6) 35.0 μg/m3 (32) 5.0 μg/m3 (21) 32.0
 
Jan. 11, 2019, midnight N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.2 ppb (2) 9.0 μg/m3 (8) 2.0 μg/m3 (8) 22.0
 
Jan. 10, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.1 ppb (1) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 29.0
 
Jan. 10, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.1 ppb (1) 7.0 μg/m3 (6) 5.0 μg/m3 (21) 30.0
 
Jan. 10, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.2 ppb (2) 9.0 μg/m3 (8) 2.0 μg/m3 (8) 27.0
 
Jan. 10, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.2 ppb (2) 20.0 μg/m3 (18) 3.0 μg/m3 (12) 21.0
 
Jan. 10, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.3 ppb (3) 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Jan. 10, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.6 ppb (7) 27.0 μg/m3 (25) 13.0 μg/m3 (52) 52.0
 
Jan. 10, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.3 ppb (14) 67.0 μg/m3 (56) 24.0 μg/m3 (76) 76.0
 
Jan. 10, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.5 ppb (17) 23.0 μg/m3 (21) 14.0 μg/m3 (54) 54.0
 
Jan. 10, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.6 ppb (18) 30.0 μg/m3 (27) 14.0 μg/m3 (54) 54.0
 
Jan. 10, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.1 ppb (12) 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Jan. 10, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.8 ppb (9) 16.0 μg/m3 (15) 13.0 μg/m3 (52) 52.0
 
Jan. 10, 2019, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.6 ppb (7) 14.0 μg/m3 (13) 12.0 μg/m3 (50) 50.0
 
Jan. 10, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.5 ppb (6) 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Jan. 10, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.5 ppb (6) 15.0 μg/m3 (14) 7.0 μg/m3 (29) 29.0
 
Jan. 10, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.4 ppb (4) 13.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
Jan. 10, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.5 ppb (6) 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Jan. 10, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.5 ppb (6) 21.0 μg/m3 (19) 13.0 μg/m3 (52) 52.0
 
Jan. 10, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.8 ppb (9) 25.0 μg/m3 (23) 17.0 μg/m3 (61) 61.0
 
Jan. 10, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.6 ppb (7) 17.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Jan. 10, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.5 ppb (6) 13.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Jan. 10, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.6 ppb (7) 21.0 μg/m3 (19) 9.0 μg/m3 (38) 38.0
 
Jan. 10, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.5 ppb (6) 23.0 μg/m3 (21) 5.0 μg/m3 (21) 21.0
 
Jan. 10, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.3 ppb (3) 21.0 μg/m3 (19) 2.0 μg/m3 (8) 19.0
 
Jan. 10, 2019, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.2 ppb (2) 10.0 μg/m3 (9) -1.0 μg/m3 (0) 27.0
 
Jan. 9, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.1 ppb (1) 5.0 μg/m3 (5) 1.0 μg/m3 (4) 28.0
 
Jan. 9, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.2 ppb (2) 9.0 μg/m3 (8) 2.0 μg/m3 (8) 28.0
 
Jan. 9, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.2 ppb (2) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 29.0
 
Jan. 9, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.2 ppb (2) 8.0 μg/m3 (7) 5.0 μg/m3 (21) 29.0
 
Jan. 9, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.2 ppb (2) 7.0 μg/m3 (6) -1.0 μg/m3 (0) 29.0
 
Jan. 9, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.2 ppb (2) 7.0 μg/m3 (6) 4.0 μg/m3 (17) 28.0
 
Jan. 9, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.2 ppb (2) 11.0 μg/m3 (10) 6.0 μg/m3 (25) 26.0
 
Jan. 9, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.2 ppb (2) 6.0 μg/m3 (5) 0.0 μg/m3 (0) 23.0
 
Jan. 9, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.2 ppb (2) 2.0 μg/m3 (2) 1.0 μg/m3 (4) 18.0
 
Jan. 9, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.1 ppb (1) 0.0 μg/m3 (0) 2.0 μg/m3 (8) 22.0
 
Jan. 9, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.1 ppb (1) 4.0 μg/m3 (4) 2.0 μg/m3 (8) 24.0
 
Jan. 9, 2019, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.1 ppb (1) 4.0 μg/m3 (4) 3.0 μg/m3 (12) 23.0
 
Jan. 9, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.1 ppb (1) 3.0 μg/m3 (3) 4.0 μg/m3 (17) 27.0
 
Jan. 9, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.1 ppb (1) 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 9, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.2 ppb (2) 11.0 μg/m3 (10) 8.0 μg/m3 (33) 33.0