AQSQID: 060251003

Site Name: El Centro - 9th Street

Location: El Centro, CA

Reporting: True, Located: True

Current AQI: 17.0

El Centro CA, US: 32.7917, -115.5617

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 18, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
Jan. 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 18.0
 
Jan. 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 18.0
 
Jan. 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 17.0
 
Jan. 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 17.0
 
Jan. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 33.0 μg/m3 (30) 18.0 μg/m3 (63) 63.0
 
Jan. 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 76.0 μg/m3 (60) 30.0 μg/m3 (88) 88.0
 
Jan. 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 79.0 μg/m3 (62) 28.0 μg/m3 (84) 84.0
 
Jan. 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 58.0 μg/m3 (52) 28.0 μg/m3 (84) 84.0
 
Jan. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 55.0 μg/m3 (50) 22.0 μg/m3 (71) 71.0
 
Jan. 18, 2019, midnight N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 36.0 μg/m3 (33) 18.0 μg/m3 (63) 63.0
 
Jan. 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 47.0 μg/m3 (43) 18.0 μg/m3 (63) 63.0
 
Jan. 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 39.0 μg/m3 (35) 20.0 μg/m3 (67) 67.0
 
Jan. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 54.0 μg/m3 (49) 24.0 μg/m3 (76) 76.0
 
Jan. 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 84.0 μg/m3 (64) 40.0 μg/m3 (111) 111.0
 
Jan. 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 78.0 μg/m3 (62) 45.0 μg/m3 (124) 124.0
 
Jan. 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 80.0 μg/m3 (62) 46.0 μg/m3 (126) 126.0
 
Jan. 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 78.0 μg/m3 (62) 48.0 μg/m3 (131) 131.0
 
Jan. 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 61.0 μg/m3 (53) 28.0 μg/m3 (84) 84.0
 
Jan. 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 42.0 μg/m3 (38) 24.0 μg/m3 (76) 76.0
 
Jan. 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 16.0 μg/m3 (15) 15.0 μg/m3 (56) 56.0
 
Jan. 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 12.0 μg/m3 (11) 13.0 μg/m3 (52) 52.0
 
Jan. 17, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 13.0 μg/m3 (52) 52.0
 
Jan. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 12.0 μg/m3 (11) 15.0 μg/m3 (56) 56.0
 
Jan. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 10.0 μg/m3 (9) 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 11.0 μg/m3 (10) 12.0 μg/m3 (50) 50.0
 
Jan. 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 7.0 μg/m3 (6) 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 33.0 μg/m3 (30) 20.0 μg/m3 (67) 67.0
 
Jan. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 41.0 μg/m3 (37) 24.0 μg/m3 (76) 76.0
 
Jan. 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 44.0 μg/m3 (40) 31.0 μg/m3 (90) 90.0
 
Jan. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 42.0 μg/m3 (38) 28.0 μg/m3 (84) 84.0
 
Jan. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 27.0 μg/m3 (25) 20.0 μg/m3 (67) 67.0
 
Jan. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 22.0 μg/m3 (20) 17.0 μg/m3 (61) 61.0
 
Jan. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 15.0 μg/m3 (14) 13.0 μg/m3 (52) 52.0
 
Jan. 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 11.0 μg/m3 (10) 11.0 μg/m3 (46) 46.0
 
Jan. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 11.0 μg/m3 (10) 11.0 μg/m3 (46) 46.0
 
Jan. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 13.0 μg/m3 (12) 12.0 μg/m3 (50) 50.0
 
Jan. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 16.0 μg/m3 (15) 17.0 μg/m3 (61) 61.0
 
Jan. 16, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 11.0 μg/m3 (46) 46.0
 
Jan. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 13.0 μg/m3 (12) 12.0 μg/m3 (50) 50.0
 
Jan. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 18.0 μg/m3 (16) 13.0 μg/m3 (52) 52.0
 
Jan. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 31.0 μg/m3 (28) 19.0 μg/m3 (65) 65.0
 
Jan. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 42.0 μg/m3 (38) 30.0 μg/m3 (88) 88.0
 
Jan. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 44.0 μg/m3 (40) 26.0 μg/m3 (80) 80.0
 
Jan. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 42.0 μg/m3 (38) 24.0 μg/m3 (76) 76.0
 
Jan. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 50.0 μg/m3 (45) 21.0 μg/m3 (69) 69.0
 
Jan. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 41.0 μg/m3 (37) 20.0 μg/m3 (67) 67.0
 
Jan. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 42.0 μg/m3 (38) 16.0 μg/m3 (59) 59.0
 
Jan. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 30.0 μg/m3 (27) 12.0 μg/m3 (50) 50.0
 
Jan. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 32.0 μg/m3 (29) 12.0 μg/m3 (50) 50.0
 
Jan. 16, 2019, midnight N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 17.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 11.0 μg/m3 (10) 5.0 μg/m3 (21) 25.0
 
Jan. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 15.0 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 12.0 μg/m3 (11) 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 11.0 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 11.0 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 14.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 19.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 11.0 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 13.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 7.0 μg/m3 (6) 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 11.0 μg/m3 (10) 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 10.0 μg/m3 (9) 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 19.0 ppb (15) N/A 12.0 μg/m3 (11) 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 16.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
Jan. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 12.0 μg/m3 (11) 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 8.0 μg/m3 (7) 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 12.0 μg/m3 (11) 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, midnight N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 9.0 μg/m3 (8) 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Jan. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 15.0 μg/m3 (14) 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 12.0 μg/m3 (11) 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 23.0 μg/m3 (21) 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 24.0 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 25.0 μg/m3 (23) 13.0 μg/m3 (52) 52.0
 
Jan. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 37.0 μg/m3 (34) 7.0 μg/m3 (29) 34.0
 
Jan. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 34.0 μg/m3 (31) 8.0 μg/m3 (33) 33.0
 
Jan. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Jan. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 8.0 μg/m3 (7) 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 7.0 μg/m3 (6) 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 18.0 μg/m3 (16) 14.0 μg/m3 (54) 54.0
 
Jan. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 29.0 μg/m3 (26) 13.0 μg/m3 (52) 52.0
 
Jan. 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 20.0 μg/m3 (18) N/A 18.0
 
Jan. 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 29.0 μg/m3 (26) N/A 26.0
 
Jan. 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 31.0 μg/m3 (28) N/A 28.0
 
Jan. 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 23.0 μg/m3 (21) N/A 21.0
 
Jan. 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2019, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 7.0 μg/m3 (6) 7.0 μg/m3 (29) 29.0
 
Jan. 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 9.0 μg/m3 (8) 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2019, 10 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) 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 37.0 ppb (28) N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 28.0
 
Jan. 13, 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) 7.0 μg/m3 (29) 29.0
 
Jan. 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 8.0 μg/m3 (7) 7.0 μg/m3 (29) 29.0
 
Jan. 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 1.0 μg/m3 (1) 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 4.0 μg/m3 (4) 7.0 μg/m3 (29) 29.0
 
Jan. 13, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 5.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
Jan. 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 7.0 μg/m3 (6) 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 13.0 μg/m3 (12) 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 21.0 ppb (16) N/A 17.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
Jan. 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 14.0 μg/m3 (13) 8.0 μg/m3 (33) 33.0
 
Jan. 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 14.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 15.0 μg/m3 (14) 8.0 μg/m3 (33) 33.0
 
Jan. 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 19.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 29.0 μg/m3 (26) 16.0 μg/m3 (59) 59.0
 
Jan. 13, 2019, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 22.0 μg/m3 (20) 14.0 μg/m3 (54) 54.0
 
Jan. 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 18.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 21.0 μg/m3 (19) 15.0 μg/m3 (56) 56.0
 
Jan. 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 24.0 μg/m3 (22) 19.0 μg/m3 (65) 65.0
 
Jan. 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 25.0 μg/m3 (23) 15.0 μg/m3 (56) 56.0
 
Jan. 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 30.0 μg/m3 (27) 21.0 μg/m3 (69) 69.0
 
Jan. 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 34.0 μg/m3 (31) 25.0 μg/m3 (78) 78.0
 
Jan. 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 29.0 μg/m3 (26) 24.0 μg/m3 (76) 76.0
 
Jan. 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 37.0 μg/m3 (34) 23.0 μg/m3 (73) 73.0
 
Jan. 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 41.0 μg/m3 (37) 29.0 μg/m3 (86) 86.0
 
Jan. 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 36.0 μg/m3 (33) 20.0 μg/m3 (67) 67.0
 
Jan. 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 35.0 μg/m3 (32) 21.0 μg/m3 (69) 69.0
 
Jan. 12, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (41) 31.0 μg/m3 (90) 90.0
 
Jan. 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 41.0 μg/m3 (37) 27.0 μg/m3 (82) 82.0
 
Jan. 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 33.0 μg/m3 (30) 17.0 μg/m3 (61) 61.0
 
Jan. 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 23.0 μg/m3 (21) 17.0 μg/m3 (61) 61.0
 
Jan. 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 60.0 μg/m3 (52) 33.0 μg/m3 (95) 95.0
 
Jan. 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 64.0 μg/m3 (54) 37.0 μg/m3 (104) 104.0
 
Jan. 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 67.0 μg/m3 (56) 35.0 μg/m3 (99) 99.0
 
Jan. 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 67.0 μg/m3 (56) 35.0 μg/m3 (99) 99.0
 
Jan. 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 66.0 μg/m3 (56) 33.0 μg/m3 (95) 95.0
 
Jan. 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 130.0 μg/m3 (88) 39.0 μg/m3 (109) 109.0
 
Jan. 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 142.0 μg/m3 (94) 37.0 μg/m3 (104) 104.0
 
Jan. 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 80.0 μg/m3 (62) 28.0 μg/m3 (84) 84.0
 
Jan. 12, 2019, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 64.0 μg/m3 (54) 26.0 μg/m3 (80) 80.0
 
Jan. 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 49.0 μg/m3 (45) 25.0 μg/m3 (78) 78.0
 
Jan. 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 44.0 μg/m3 (40) 24.0 μg/m3 (76) 76.0
 
Jan. 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 38.0 μg/m3 (35) 23.0 μg/m3 (73) 73.0
 
Jan. 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 31.0 μg/m3 (28) 19.0 μg/m3 (65) 65.0
 
Jan. 11, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 32.0 μg/m3 (29) 20.0 μg/m3 (67) 67.0
 
Jan. 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 25.0 μg/m3 (23) 10.0 μg/m3 (42) 42.0
 
Jan. 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 30.0 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 95.0 μg/m3 (70) 29.0 μg/m3 (86) 86.0
 
Jan. 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 59.0 μg/m3 (52) 22.0 μg/m3 (71) 71.0
 
Jan. 11, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 39.0 μg/m3 (35) 24.0 μg/m3 (76) 76.0
 
Jan. 11, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 33.0 μg/m3 (30) 23.0 μg/m3 (73) 73.0
 
Jan. 11, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 19.0 μg/m3 (65) 65.0
 
Jan. 11, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 22.0 μg/m3 (20) 17.0 μg/m3 (61) 61.0
 
Jan. 11, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 20.0 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
Jan. 11, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 24.0 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
Jan. 11, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 35.0 μg/m3 (32) 13.0 μg/m3 (52) 52.0
 
Jan. 11, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 43.0 μg/m3 (39) 22.0 μg/m3 (71) 71.0
 
Jan. 11, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 46.0 μg/m3 (42) 20.0 μg/m3 (67) 67.0
 
Jan. 11, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 78.0 μg/m3 (62) 23.0 μg/m3 (73) 73.0