AQSQID: 120310077

Site Name: Sheffield Elementary School

Location: Jacksonville, FL

Reporting: True, Located: True

Current AQI: 32.0

Jacksonville FL, US: 30.4758, -81.5869

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 7.7 μg/m3 (32) 32.0
 
July 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 6.4 μg/m3 (27) 27.0
 
July 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 6.1 μg/m3 (25) 25.0
 
July 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 7.6 μg/m3 (32) 32.0
 
July 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 6.5 μg/m3 (27) 27.0
 
July 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 4.8 μg/m3 (20) 20.0
 
July 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 2.9 μg/m3 (12) 22.0
 
July 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 5.2 μg/m3 (22) 29.0
 
July 21, 2019, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 5.4 μg/m3 (23) 32.0
 
July 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 10.7 μg/m3 (45) 45.0
 
July 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 8.2 μg/m3 (34) 34.0
 
July 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 9.9 μg/m3 (41) 41.0
 
July 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 9.8 μg/m3 (41) 41.0
 
July 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 12.4 μg/m3 (51) 51.0
 
July 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 10.5 μg/m3 (44) 44.0
 
July 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A 11.8 μg/m3 (49) 49.0
 
July 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 12.3 μg/m3 (51) 51.0
 
July 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 10.6 μg/m3 (44) 44.0
 
July 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 10.8 μg/m3 (45) 45.0
 
July 20, 2019, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 10.6 μg/m3 (44) 44.0
 
July 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 8.5 μg/m3 (35) 35.0
 
July 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.8 μg/m3 (32) 32.0
 
July 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.6 μg/m3 (40) 40.0
 
July 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.4 μg/m3 (53) 53.0
 
July 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.3 μg/m3 (35) 35.0
 
July 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 7.8 μg/m3 (32) 32.0
 
July 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.9 μg/m3 (29) 29.0
 
July 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 8.2 μg/m3 (34) 34.0
 
July 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 9.1 μg/m3 (38) 38.0
 
July 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 10.7 μg/m3 (45) 45.0
 
July 20, 2019, midnight N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 12.7 μg/m3 (51) 51.0
 
July 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 7.3 μg/m3 (30) 30.0
 
July 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 6.1 μg/m3 (25) 25.0
 
July 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 7.2 μg/m3 (30) 30.0
 
July 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 8.2 μg/m3 (34) 34.0
 
July 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 18.4 μg/m3 (64) 64.0
 
July 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 13.8 μg/m3 (54) 54.0
 
July 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 14.8 μg/m3 (56) 56.0
 
July 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 13.0 μg/m3 (52) 52.0
 
July 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 17.9 μg/m3 (63) 63.0
 
July 19, 2019, noon N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 21.7 μg/m3 (71) 71.0
 
July 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 17.2 μg/m3 (61) 61.0
 
July 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 14.9 μg/m3 (56) 56.0
 
July 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.3 μg/m3 (53) 53.0
 
July 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.5 μg/m3 (48) 48.0
 
July 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 10.6 μg/m3 (44) 44.0
 
July 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 8.6 μg/m3 (36) 36.0
 
July 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 8.1 μg/m3 (34) 34.0
 
July 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 10.6 μg/m3 (44) 44.0
 
July 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 12.3 μg/m3 (51) 51.0
 
July 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 15.8 μg/m3 (58) 58.0
 
July 19, 2019, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 15.9 μg/m3 (58) 58.0
 
July 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 16.1 μg/m3 (59) 59.0
 
July 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 18.4 μg/m3 (64) 64.0
 
July 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 19.3 μg/m3 (66) 66.0
 
July 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 18.6 μg/m3 (64) 64.0
 
July 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 20.0 μg/m3 (67) 67.0
 
July 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) N/A N/A 22.0 μg/m3 (71) 71.0
 
July 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 19.4 μg/m3 (66) 66.0
 
July 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 19.4 μg/m3 (66) 66.0
 
July 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 19.9 μg/m3 (67) 67.0
 
July 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 21.0 μg/m3 (69) 69.0
 
July 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 20.1 μg/m3 (67) 67.0
 
July 18, 2019, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 15.2 μg/m3 (57) 57.0
 
July 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 12.8 μg/m3 (52) 52.0
 
July 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.2 μg/m3 (50) 50.0
 
July 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.4 μg/m3 (51) 51.0
 
July 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 12.6 μg/m3 (51) 51.0
 
July 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 12.2 μg/m3 (50) 50.0
 
July 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 12.6 μg/m3 (51) 51.0
 
July 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 12.6 μg/m3 (51) 51.0
 
July 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 11.7 μg/m3 (49) 49.0
 
July 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 9.7 μg/m3 (40) 40.0
 
July 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 10.5 μg/m3 (44) 44.0
 
July 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 9.6 μg/m3 (40) 40.0
 
July 18, 2019, midnight N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 9.5 μg/m3 (40) 40.0
 
July 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 11.1 μg/m3 (46) 46.0
 
July 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 16.7 μg/m3 (60) 60.0
 
July 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 20.2 μg/m3 (67) 67.0
 
July 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 30.3 μg/m3 (89) 89.0
 
July 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 23.6 μg/m3 (75) 75.0
 
July 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 21.2 μg/m3 (70) 70.0
 
July 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 0.0 μg/m3 (0) 28.0
 
July 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
July 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.4 μg/m3 (91) 91.0
 
July 17, 2019, noon N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 28.5 μg/m3 (85) 85.0
 
July 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 28.8 μg/m3 (86) 86.0
 
July 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 23.8 μg/m3 (75) 75.0
 
July 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 23.3 μg/m3 (74) 74.0
 
July 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 22.6 μg/m3 (73) 73.0
 
July 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 20.4 μg/m3 (68) 68.0
 
July 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 21.8 μg/m3 (71) 71.0
 
July 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 21.8 μg/m3 (71) 71.0
 
July 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 22.5 μg/m3 (72) 72.0
 
July 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 26.8 μg/m3 (81) 81.0
 
July 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 27.6 μg/m3 (83) 83.0
 
July 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 24.7 μg/m3 (77) 77.0
 
July 17, 2019, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 25.8 μg/m3 (79) 79.0
 
July 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 25.6 μg/m3 (79) 79.0
 
July 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 23.1 μg/m3 (74) 74.0
 
July 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 25.1 μg/m3 (78) 78.0
 
July 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 19.9 μg/m3 (67) 67.0
 
July 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 26.2 μg/m3 (80) 80.0
 
July 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 23.9 μg/m3 (75) 75.0
 
July 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 24.5 μg/m3 (77) 77.0
 
July 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 28.4 μg/m3 (85) 85.0
 
July 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 26.0 μg/m3 (80) 80.0
 
July 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 27.6 μg/m3 (83) 83.0
 
July 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 24.6 μg/m3 (77) 77.0
 
July 16, 2019, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 21.4 μg/m3 (70) 70.0
 
July 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 20.3 μg/m3 (68) 68.0
 
July 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 19.8 μg/m3 (67) 67.0
 
July 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 19.7 μg/m3 (66) 66.0
 
July 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 19.3 μg/m3 (66) 66.0
 
July 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 20.2 μg/m3 (67) 67.0
 
July 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 19.2 μg/m3 (65) 65.0
 
July 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 21.2 μg/m3 (70) 70.0
 
July 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 20.6 μg/m3 (68) 68.0
 
July 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 19.9 μg/m3 (67) 67.0
 
July 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 22.9 μg/m3 (73) 73.0
 
July 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 24.0 μg/m3 (76) 76.0
 
July 16, 2019, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 27.0 μg/m3 (82) 82.0
 
July 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 26.6 μg/m3 (81) 81.0
 
July 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 27.7 μg/m3 (83) 83.0
 
July 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 28.2 μg/m3 (84) 84.0
 
July 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 35.2 μg/m3 (99) 99.0
 
July 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 27.7 μg/m3 (83) 83.0
 
July 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 28.2 μg/m3 (84) 84.0
 
July 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 27.0 μg/m3 (82) 82.0
 
July 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 25.5 μg/m3 (79) 79.0
 
July 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 23.8 μg/m3 (75) 75.0
 
July 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 23.9 μg/m3 (75) 75.0
 
July 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 27.3 μg/m3 (83) 83.0
 
July 15, 2019, noon N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 26.9 μg/m3 (82) 82.0
 
July 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 24.7 μg/m3 (77) 77.0
 
July 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 21.9 μg/m3 (71) 71.0
 
July 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 23.2 μg/m3 (74) 74.0
 
July 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 23.5 μg/m3 (74) 74.0
 
July 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 22.9 μg/m3 (73) 73.0
 
July 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 22.8 μg/m3 (73) 73.0
 
July 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 24.4 μg/m3 (76) 76.0
 
July 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 25.2 μg/m3 (78) 78.0
 
July 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 26.8 μg/m3 (81) 81.0
 
July 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 26.0 μg/m3 (80) 80.0
 
July 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 26.1 μg/m3 (80) 80.0
 
July 15, 2019, midnight N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 33.6 μg/m3 (96) 96.0
 
July 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 32.6 μg/m3 (94) 94.0
 
July 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 31.8 μg/m3 (92) 92.0
 
July 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 28.8 μg/m3 (86) 86.0
 
July 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 24.6 μg/m3 (77) 77.0
 
July 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 32.3 μg/m3 (93) 93.0
 
July 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 20.1 μg/m3 (67) 67.0
 
July 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 21.5 μg/m3 (70) 70.0
 
July 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 22.9 μg/m3 (73) 73.0
 
July 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 23.1 μg/m3 (74) 74.0
 
July 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 21.5 μg/m3 (70) 70.0
 
July 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 21.7 μg/m3 (71) 71.0
 
July 14, 2019, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 27.8 μg/m3 (84) 84.0
 
July 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 19.8 μg/m3 (67) 67.0
 
July 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 14.8 μg/m3 (56) 56.0
 
July 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 16.8 μg/m3 (60) 60.0
 
July 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 15.4 μg/m3 (57) 57.0