AQSQID: 120952002

Site Name: Lake Isle Estates

Location: Orange Co, FL

Reporting: True, Located: True

Current AQI: 55.0

Orange Co FL, US: 28.5997, -81.3628

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 23, 2019, noon N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 32.0 ppb (25) 0.4 ppb (4) N/A 14.2 μg/m3 (55) 55.0
 
March 23, 2019, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (25) 0.3 ppb (3) N/A 8.6 μg/m3 (36) 36.0
 
March 23, 2019, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (26) 0.3 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
March 23, 2019, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (26) 0.2 ppb (2) N/A 20.7 μg/m3 (69) 69.0
 
March 23, 2019, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (28) 0.2 ppb (2) N/A 14.6 μg/m3 (56) 56.0
 
March 23, 2019, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (30) 0.2 ppb (2) N/A 6.6 μg/m3 (28) 30.0
 
March 23, 2019, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (30) 0.3 ppb (3) N/A 9.8 μg/m3 (41) 41.0
 
March 23, 2019, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (34) 0.2 ppb (2) N/A 11.1 μg/m3 (46) 46.0
 
March 23, 2019, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 45.0 ppb (35) 0.2 ppb (2) N/A 9.9 μg/m3 (41) 41.0
 
March 23, 2019, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 47.0 ppb (36) 0.2 ppb (2) N/A 12.5 μg/m3 (51) 51.0
 
March 23, 2019, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 48.0 ppb (37) 0.2 ppb (2) N/A 11.2 μg/m3 (47) 47.0
 
March 23, 2019, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 47.0 ppb (36) 0.2 ppb (2) N/A 12.7 μg/m3 (51) 51.0
 
March 23, 2019, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 50.0 ppb (38) 0.2 ppb (2) N/A 9.7 μg/m3 (40) 40.0
 
March 22, 2019, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 54.0 ppb (42) 0.2 ppb (2) N/A 6.4 μg/m3 (27) 42.0
 
March 22, 2019, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 57.0 ppb (44) 0.2 ppb (2) N/A 6.8 μg/m3 (28) 44.0
 
March 22, 2019, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 59.0 ppb (45) 0.2 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
March 22, 2019, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 58.0 ppb (45) 0.2 ppb (2) N/A 6.1 μg/m3 (25) 45.0
 
March 22, 2019, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 56.0 ppb (43) 0.2 ppb (2) N/A 11.9 μg/m3 (50) 50.0
 
March 22, 2019, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 57.0 ppb (44) 0.2 ppb (2) N/A 14.3 μg/m3 (55) 55.0
 
March 22, 2019, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 56.0 ppb (43) 0.2 ppb (2) N/A 10.7 μg/m3 (45) 45.0
 
March 22, 2019, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 56.0 ppb (43) 0.2 ppb (2) N/A 12.1 μg/m3 (50) 50.0
 
March 22, 2019, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 52.0 ppb (40) 0.2 ppb (2) N/A 10.6 μg/m3 (44) 44.0
 
March 22, 2019, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) 48.0 ppb (37) 0.3 ppb (3) N/A 14.0 μg/m3 (54) 54.0
 
March 22, 2019, 1 p.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 37.0 ppb (28) 0.4 ppb (4) N/A 20.4 μg/m3 (68) 68.0
 
March 22, 2019, noon N/A N/A N/A 31.0 ppb (29) N/A 1.0 ppb (1) 17.0 ppb (13) 0.5 ppb (6) N/A 21.2 μg/m3 (70) 70.0
 
March 22, 2019, 11 a.m. N/A N/A N/A 28.0 ppb (26) N/A 0.0 ppb (0) 18.0 ppb (14) 0.4 ppb (4) N/A 20.8 μg/m3 (69) 69.0
 
March 22, 2019, 10 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 30.0 ppb (23) 0.3 ppb (3) N/A 13.2 μg/m3 (53) 53.0
 
March 22, 2019, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 45.0 ppb (35) 0.3 ppb (3) N/A 9.1 μg/m3 (38) 38.0
 
March 22, 2019, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (35) 0.2 ppb (2) N/A -1.7 μg/m3 (0) 35.0
 
March 22, 2019, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (35) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 35.0
 
March 22, 2019, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (35) 0.2 ppb (2) N/A 8.4 μg/m3 (35) 35.0
 
March 22, 2019, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 50.0 ppb (38) 0.2 ppb (2) N/A 7.4 μg/m3 (31) 38.0
 
March 22, 2019, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (42) 0.2 ppb (2) N/A 8.8 μg/m3 (37) 42.0
 
March 22, 2019, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 57.0 ppb (44) 0.2 ppb (2) N/A 19.3 μg/m3 (66) 66.0
 
March 22, 2019, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 62.0 ppb (48) 0.3 ppb (3) N/A 24.1 μg/m3 (76) 76.0
 
March 22, 2019, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 62.0 ppb (48) 0.3 ppb (3) N/A 36.3 μg/m3 (102) 102.0
 
March 22, 2019, midnight N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 64.0 ppb (49) 0.3 ppb (3) N/A 44.0 μg/m3 (121) 121.0
 
March 21, 2019, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 65.0 ppb (50) 0.3 ppb (3) N/A 36.6 μg/m3 (103) 103.0
 
March 21, 2019, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 66.0 ppb (51) 0.3 ppb (3) N/A 52.8 μg/m3 (143) 143.0
 
March 21, 2019, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 67.0 ppb (52) 0.3 ppb (3) N/A 18.1 μg/m3 (63) 63.0
 
March 21, 2019, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 68.0 ppb (52) 0.2 ppb (2) N/A 27.1 μg/m3 (82) 82.0
 
March 21, 2019, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 70.0 ppb (54) 0.2 ppb (2) N/A 19.1 μg/m3 (65) 65.0
 
March 21, 2019, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 70.0 ppb (54) 0.2 ppb (2) N/A 23.0 μg/m3 (73) 73.0
 
March 21, 2019, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 70.0 ppb (54) 0.3 ppb (3) N/A 9.3 μg/m3 (39) 54.0
 
March 21, 2019, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 66.0 ppb (51) 0.3 ppb (3) N/A N/A 51.0
 
March 21, 2019, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 65.0 ppb (50) 0.3 ppb (3) N/A -1.7 μg/m3 (0) 50.0
 
March 21, 2019, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 54.0 ppb (42) 0.3 ppb (3) N/A 7.0 μg/m3 (29) 42.0
 
March 21, 2019, 1 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 44.0 ppb (34) 0.3 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
March 21, 2019, noon N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 31.0 ppb (24) 0.3 ppb (3) N/A 8.6 μg/m3 (36) 36.0
 
March 21, 2019, 11 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 29.0 ppb (22) 0.3 ppb (3) N/A 8.1 μg/m3 (34) 34.0
 
March 21, 2019, 10 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 29.0 ppb (22) 0.3 ppb (3) N/A 6.9 μg/m3 (29) 29.0
 
March 21, 2019, 9 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (27) 0.3 ppb (3) N/A 6.3 μg/m3 (26) 27.0
 
March 21, 2019, 8 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 33.0 ppb (25) 0.3 ppb (3) N/A 9.8 μg/m3 (41) 41.0
 
March 21, 2019, 7 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (30) 0.3 ppb (3) N/A 7.0 μg/m3 (29) 30.0
 
March 21, 2019, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (28) 0.3 ppb (3) N/A 13.3 μg/m3 (53) 53.0
 
March 21, 2019, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (35) 0.2 ppb (2) N/A 2.7 μg/m3 (11) 35.0
 
March 21, 2019, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 52.0 ppb (40) 0.2 ppb (2) N/A 11.5 μg/m3 (48) 48.0
 
March 21, 2019, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 53.0 ppb (41) 0.2 ppb (2) N/A 8.5 μg/m3 (35) 41.0
 
March 21, 2019, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (42) 0.2 ppb (2) N/A 14.1 μg/m3 (54) 54.0
 
March 21, 2019, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 53.0 ppb (41) 0.2 ppb (2) N/A -0.3 μg/m3 (0) 41.0
 
March 21, 2019, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (42) 0.2 ppb (2) N/A N/A 42.0
 
March 20, 2019, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 53.0 ppb (41) 0.2 ppb (2) N/A 2.5 μg/m3 (10) 41.0
 
March 20, 2019, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 54.0 ppb (42) 0.2 ppb (2) N/A 10.5 μg/m3 (44) 44.0
 
March 20, 2019, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 53.0 ppb (41) 0.2 ppb (2) N/A 8.7 μg/m3 (36) 41.0
 
March 20, 2019, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (42) 0.2 ppb (2) N/A 7.0 μg/m3 (29) 42.0
 
March 20, 2019, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (42) 0.2 ppb (2) N/A 8.3 μg/m3 (35) 42.0
 
March 20, 2019, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) 0.2 ppb (2) N/A 10.8 μg/m3 (45) 45.0
 
March 20, 2019, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) 0.2 ppb (2) N/A 6.3 μg/m3 (26) 41.0
 
March 20, 2019, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 53.0 ppb (41) 0.2 ppb (2) N/A 17.8 μg/m3 (62) 62.0
 
March 20, 2019, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 52.0 ppb (40) 0.2 ppb (2) N/A 6.1 μg/m3 (25) 40.0
 
March 20, 2019, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 48.0 ppb (37) 0.2 ppb (2) N/A 8.1 μg/m3 (34) 37.0
 
March 20, 2019, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 43.0 ppb (33) 0.3 ppb (3) N/A 8.8 μg/m3 (37) 37.0
 
March 20, 2019, noon N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (29) 0.3 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
March 20, 2019, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 42.0 ppb (32) 0.3 ppb (3) N/A 8.6 μg/m3 (36) 36.0
 
March 20, 2019, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (35) 0.3 ppb (3) N/A 8.0 μg/m3 (33) 35.0
 
March 20, 2019, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (35) 0.3 ppb (3) N/A 15.4 μg/m3 (57) 57.0
 
March 20, 2019, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (35) 0.3 ppb (3) N/A 15.9 μg/m3 (58) 58.0
 
March 20, 2019, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (36) 0.2 ppb (2) N/A 8.0 μg/m3 (33) 36.0
 
March 20, 2019, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (35) 0.2 ppb (2) N/A 3.9 μg/m3 (16) 35.0
 
March 20, 2019, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (34) 0.2 ppb (2) N/A 7.0 μg/m3 (29) 34.0
 
March 20, 2019, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (33) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 33.0
 
March 20, 2019, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (34) 0.2 ppb (2) N/A 7.8 μg/m3 (32) 34.0
 
March 20, 2019, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (34) 0.2 ppb (2) N/A 4.1 μg/m3 (17) 34.0
 
March 20, 2019, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) 0.3 ppb (3) N/A 9.8 μg/m3 (41) 41.0
 
March 20, 2019, midnight N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (31) 0.3 ppb (3) N/A 5.9 μg/m3 (25) 31.0
 
March 19, 2019, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 43.0 ppb (33) 0.3 ppb (3) N/A 10.7 μg/m3 (45) 45.0
 
March 19, 2019, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 43.0 ppb (33) 0.3 ppb (3) N/A 2.4 μg/m3 (10) 33.0
 
March 19, 2019, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (32) 0.3 ppb (3) N/A 9.1 μg/m3 (38) 38.0
 
March 19, 2019, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (33) 0.3 ppb (3) N/A 9.5 μg/m3 (40) 40.0
 
March 19, 2019, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (33) 0.3 ppb (3) N/A 11.8 μg/m3 (49) 49.0
 
March 19, 2019, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (30) 0.3 ppb (3) N/A 1.1 μg/m3 (5) 30.0
 
March 19, 2019, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (28) 0.3 ppb (3) N/A 9.7 μg/m3 (40) 40.0
 
March 19, 2019, 4 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 10.6 μg/m3 (44) 44.0
 
March 19, 2019, 3 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 9.9 μg/m3 (41) 41.0
 
March 19, 2019, 2 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 15.9 μg/m3 (58) 58.0
 
March 19, 2019, 1 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 13.3 μg/m3 (53) 53.0
 
March 19, 2019, noon N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 3.1 μg/m3 (13) 18.0
 
March 19, 2019, 11 a.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 25.0 ppb (19) 0.5 ppb (6) N/A 12.7 μg/m3 (51) 51.0
 
March 19, 2019, 10 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 29.0 ppb (22) 0.5 ppb (6) N/A 0.7 μg/m3 (3) 22.0
 
March 19, 2019, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (28) 0.4 ppb (4) N/A 3.1 μg/m3 (13) 28.0
 
March 19, 2019, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (28) 0.4 ppb (4) N/A -1.6 μg/m3 (0) 28.0
 
March 19, 2019, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (25) 0.4 ppb (4) N/A 2.0 μg/m3 (8) 25.0
 
March 19, 2019, 6 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (25) 0.4 ppb (4) N/A 9.3 μg/m3 (39) 39.0
 
March 19, 2019, 5 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (32) 0.4 ppb (4) N/A 8.1 μg/m3 (34) 34.0
 
March 19, 2019, 4 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 47.0 ppb (36) 0.4 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
March 19, 2019, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 50.0 ppb (38) 0.4 ppb (4) N/A 10.4 μg/m3 (43) 43.0
 
March 19, 2019, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 52.0 ppb (40) 0.4 ppb (4) N/A N/A 40.0
 
March 19, 2019, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 52.0 ppb (40) 0.4 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
March 19, 2019, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 52.0 ppb (40) 0.4 ppb (4) N/A 23.2 μg/m3 (74) 74.0
 
March 18, 2019, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 53.0 ppb (41) 0.4 ppb (4) N/A 0.8 μg/m3 (3) 41.0
 
March 18, 2019, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 53.0 ppb (41) 0.4 ppb (4) N/A 3.7 μg/m3 (15) 41.0
 
March 18, 2019, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 49.0 ppb (38) 0.4 ppb (4) N/A 3.0 μg/m3 (12) 38.0
 
March 18, 2019, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (37) 0.4 ppb (4) N/A 7.3 μg/m3 (30) 37.0
 
March 18, 2019, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (37) 0.4 ppb (4) N/A 3.0 μg/m3 (12) 37.0
 
March 18, 2019, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (37) 0.4 ppb (4) N/A 0.5 μg/m3 (2) 37.0
 
March 18, 2019, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (37) 0.4 ppb (4) N/A N/A 37.0
 
March 18, 2019, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (37) 0.4 ppb (4) N/A 5.4 μg/m3 (23) 37.0
 
March 18, 2019, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (35) 0.4 ppb (4) N/A 6.4 μg/m3 (27) 35.0
 
March 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.4 ppb (4) N/A 2.0 μg/m3 (8) 29.0
 
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.5 ppb (6) N/A 3.2 μg/m3 (13) 28.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.5 ppb (6) N/A 4.9 μg/m3 (20) 29.0
 
March 18, 2019, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 40.0 ppb (31) 0.4 ppb (4) N/A 3.6 μg/m3 (15) 31.0
 
March 18, 2019, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) 0.4 ppb (4) N/A 4.9 μg/m3 (20) 32.0
 
March 18, 2019, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (32) 0.4 ppb (4) N/A 0.2 μg/m3 (1) 32.0
 
March 18, 2019, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (31) 0.4 ppb (4) N/A 0.3 μg/m3 (1) 31.0
 
March 18, 2019, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (32) 0.4 ppb (4) N/A 3.8 μg/m3 (16) 32.0
 
March 18, 2019, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (34) 0.4 ppb (4) N/A 3.6 μg/m3 (15) 34.0
 
March 18, 2019, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (35) 0.4 ppb (4) N/A 6.9 μg/m3 (29) 35.0
 
March 18, 2019, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (35) 0.4 ppb (4) N/A 9.4 μg/m3 (39) 39.0
 
March 18, 2019, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (35) 0.4 ppb (4) N/A 2.8 μg/m3 (12) 35.0
 
March 18, 2019, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (35) 0.4 ppb (4) N/A 1.2 μg/m3 (5) 35.0
 
March 18, 2019, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (34) 0.4 ppb (4) N/A 5.7 μg/m3 (24) 34.0
 
March 18, 2019, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (34) 0.4 ppb (4) N/A 0.4 μg/m3 (2) 34.0
 
March 17, 2019, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (33) 0.4 ppb (4) N/A 5.1 μg/m3 (21) 33.0
 
March 17, 2019, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (33) 0.4 ppb (4) N/A 6.8 μg/m3 (28) 33.0
 
March 17, 2019, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (34) 0.4 ppb (4) N/A 4.2 μg/m3 (18) 34.0
 
March 17, 2019, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (32) 0.4 ppb (4) N/A 9.4 μg/m3 (39) 39.0
 
March 17, 2019, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (30) 0.5 ppb (6) N/A 7.8 μg/m3 (32) 32.0
 
March 17, 2019, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (29) 0.5 ppb (6) N/A 6.9 μg/m3 (29) 29.0
 
March 17, 2019, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (28) 0.5 ppb (6) N/A 0.1 μg/m3 (0) 28.0
 
March 17, 2019, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (30) 0.4 ppb (4) N/A 0.7 μg/m3 (3) 30.0
 
March 17, 2019, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (29) 0.4 ppb (4) N/A 3.5 μg/m3 (15) 29.0
 
March 17, 2019, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (28) 0.4 ppb (4) N/A 7.2 μg/m3 (30) 30.0
 
March 17, 2019, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (29) 0.4 ppb (4) N/A 8.7 μg/m3 (36) 36.0
 
March 17, 2019, noon N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) 0.4 ppb (4) N/A 8.7 μg/m3 (36) 36.0
 
March 17, 2019, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) 0.4 ppb (4) N/A 2.7 μg/m3 (11) 28.0
 
March 17, 2019, 10 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (30) 0.4 ppb (4) N/A 4.5 μg/m3 (19) 30.0
 
March 17, 2019, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (30) 0.4 ppb (4) N/A 6.6 μg/m3 (28) 30.0
 
March 17, 2019, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (29) 0.4 ppb (4) N/A -1.9 μg/m3 (0) 29.0
 
March 17, 2019, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (29) 0.4 ppb (4) N/A 5.4 μg/m3 (23) 29.0
 
March 17, 2019, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (30) 0.4 ppb (4) N/A 3.4 μg/m3 (14) 30.0
 
March 17, 2019, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (32) 0.4 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
March 17, 2019, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) 0.4 ppb (4) N/A 5.0 μg/m3 (21) 32.0
 
March 17, 2019, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) 0.4 ppb (4) N/A 3.8 μg/m3 (16) 32.0
 
March 17, 2019, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (32) 0.4 ppb (4) N/A 6.9 μg/m3 (29) 32.0
 
March 17, 2019, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (33) 0.4 ppb (4) N/A 16.8 μg/m3 (60) 60.0
 
March 17, 2019, midnight N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (32) 0.4 ppb (4) N/A 19.4 μg/m3 (66) 66.0
 
March 16, 2019, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) 0.4 ppb (4) N/A 11.8 μg/m3 (49) 49.0
 
March 16, 2019, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (33) 0.4 ppb (4) N/A 0.6 μg/m3 (2) 33.0
 
March 16, 2019, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (34) 0.4 ppb (4) N/A -0.2 μg/m3 (0) 34.0
 
March 16, 2019, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (31) 0.5 ppb (6) N/A 8.5 μg/m3 (35) 35.0
 
March 16, 2019, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (32) 0.5 ppb (6) N/A 5.5 μg/m3 (23) 32.0
 
March 16, 2019, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) 0.5 ppb (6) N/A 7.6 μg/m3 (32) 32.0
 
March 16, 2019, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) 0.5 ppb (6) N/A 13.7 μg/m3 (54) 54.0
 
March 16, 2019, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) 0.5 ppb (6) N/A 14.8 μg/m3 (56) 56.0
 
March 16, 2019, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) 0.5 ppb (6) N/A 6.1 μg/m3 (25) 25.0
 
March 16, 2019, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (18) 0.5 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
March 16, 2019, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (15) 0.5 ppb (6) N/A 4.0 μg/m3 (17) 17.0