AQSQID: 060710005

Site Name: Crestline - Lake Gregory

Location: San Bernardino Co, CA

Reporting: True, Located: True

Current AQI: 52.0

San Bernardino Co CA, US: 34.24139, -117.275558

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 13.1 μg/m3 (52) 52.0
 
Sept. 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 15.2 μg/m3 (57) 57.0
 
Sept. 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 24.4 μg/m3 (76) 76.0
 
Sept. 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 15.9 μg/m3 (58) 58.0
 
Sept. 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 16.4 μg/m3 (59) 59.0
 
Sept. 21, 2019, midnight N/A N/A N/A N/A N/A N/A 71.0 ppb (55) N/A N/A 19.3 μg/m3 (66) 66.0
 
Sept. 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (52) N/A N/A 11.2 μg/m3 (47) 52.0
 
Sept. 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 9.2 μg/m3 (38) 47.0
 
Sept. 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 8.2 μg/m3 (34) 41.0
 
Sept. 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 9.9 μg/m3 (41) 41.0
 
Sept. 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 8.7 μg/m3 (36) 39.0
 
Sept. 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 5.8 μg/m3 (24) 36.0
 
Sept. 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 6.1 μg/m3 (25) 35.0
 
Sept. 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 15.1 μg/m3 (57) 57.0
 
Sept. 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 11.5 μg/m3 (48) 48.0
 
Sept. 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 10.2 μg/m3 (42) 42.0
 
Sept. 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 12.2 μg/m3 (50) 50.0
 
Sept. 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 19, 2019, noon N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 12.5 μg/m3 (51) 51.0
 
Sept. 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 15.9 μg/m3 (58) 58.0
 
Sept. 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 10.3 μg/m3 (43) 43.0
 
Sept. 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 9.5 μg/m3 (40) 40.0
 
Sept. 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 10.0 μg/m3 (42) 47.0
 
Sept. 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 13.2 μg/m3 (53) 53.0
 
Sept. 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 13.7 μg/m3 (54) 54.0
 
Sept. 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A 13.2 μg/m3 (53) 53.0
 
Sept. 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 12.5 μg/m3 (51) 51.0
 
Sept. 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 17.2 μg/m3 (61) 61.0
 
Sept. 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A N/A 17.4 μg/m3 (61) 61.0
 
Sept. 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 74.0 ppb (57) N/A N/A 19.6 μg/m3 (66) 66.0
 
Sept. 19, 2019, midnight N/A N/A N/A N/A N/A N/A 80.0 ppb (62) N/A N/A 20.1 μg/m3 (67) 67.0
 
Sept. 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 82.0 ppb (64) N/A N/A 22.5 μg/m3 (72) 72.0
 
Sept. 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 78.0 ppb (61) N/A N/A 22.2 μg/m3 (72) 72.0
 
Sept. 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (55) N/A N/A 17.9 μg/m3 (63) 63.0
 
Sept. 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A N/A 11.7 μg/m3 (49) 51.0
 
Sept. 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 16.5 μg/m3 (60) 60.0
 
Sept. 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 13.7 μg/m3 (54) 54.0
 
Sept. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 13.5 μg/m3 (53) 53.0
 
Sept. 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 14.9 μg/m3 (56) 56.0
 
Sept. 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 10.5 μg/m3 (44) 44.0
 
Sept. 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 10.8 μg/m3 (45) 45.0
 
Sept. 18, 2019, noon N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 8.7 μg/m3 (36) 42.0
 
Sept. 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 7.3 μg/m3 (30) 42.0
 
Sept. 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 15.9 μg/m3 (58) 58.0
 
Sept. 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 14.4 μg/m3 (55) 55.0
 
Sept. 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 15.2 μg/m3 (57) 57.0
 
Sept. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 17.7 μg/m3 (62) 62.0
 
Sept. 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 12.7 μg/m3 (51) 51.0
 
Sept. 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 20.2 μg/m3 (67) 67.0
 
Sept. 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 15.0 μg/m3 (56) 56.0
 
Sept. 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 14.7 μg/m3 (56) 56.0
 
Sept. 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A 15.0 μg/m3 (56) 56.0
 
Sept. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 18, 2019, midnight N/A N/A N/A N/A N/A N/A 73.0 ppb (57) N/A N/A 10.5 μg/m3 (44) 57.0
 
Sept. 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (52) N/A N/A 9.0 μg/m3 (38) 52.0
 
Sept. 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 5.2 μg/m3 (22) 45.0
 
Sept. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 4.9 μg/m3 (20) 39.0
 
Sept. 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 9.5 μg/m3 (40) 40.0
 
Sept. 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 8.5 μg/m3 (35) 36.0
 
Sept. 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 6.7 μg/m3 (28) 36.0
 
Sept. 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 7.2 μg/m3 (30) 32.0
 
Sept. 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 3.2 μg/m3 (13) 28.0
 
Sept. 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 6.4 μg/m3 (27) 27.0
 
Sept. 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 8.5 μg/m3 (35) 35.0
 
Sept. 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 6.4 μg/m3 (27) 27.0
 
Sept. 17, 2019, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 9.3 μg/m3 (39) 39.0
 
Sept. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 9.8 μg/m3 (41) 41.0
 
Sept. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 4.4 μg/m3 (18) 30.0
 
Sept. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 6.2 μg/m3 (26) 30.0
 
Sept. 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 9.8 μg/m3 (41) 41.0
 
Sept. 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 9.5 μg/m3 (40) 40.0
 
Sept. 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 9.5 μg/m3 (40) 40.0
 
Sept. 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 15.7 μg/m3 (58) 58.0
 
Sept. 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 12.2 μg/m3 (50) 50.0
 
Sept. 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 32.8 μg/m3 (94) 94.0
 
Sept. 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 9.3 μg/m3 (39) 45.0
 
Sept. 17, 2019, midnight N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A N/A 17.9 μg/m3 (63) 63.0
 
Sept. 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 74.0 ppb (57) N/A N/A 18.2 μg/m3 (63) 63.0
 
Sept. 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 73.0 ppb (57) N/A N/A 21.5 μg/m3 (70) 70.0
 
Sept. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (53) N/A N/A 9.3 μg/m3 (39) 53.0
 
Sept. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 9.0 μg/m3 (38) 45.0
 
Sept. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 9.3 μg/m3 (39) 39.0
 
Sept. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 10.8 μg/m3 (45) 45.0
 
Sept. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 8.8 μg/m3 (37) 41.0
 
Sept. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 9.5 μg/m3 (40) 45.0
 
Sept. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A N/A 8.5 μg/m3 (35) 48.0
 
Sept. 16, 2019, noon N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A N/A 10.5 μg/m3 (44) 48.0
 
Sept. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A N/A 10.0 μg/m3 (42) 48.0
 
Sept. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A N/A 10.0 μg/m3 (42) 49.0
 
Sept. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A N/A 10.8 μg/m3 (45) 51.0
 
Sept. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A N/A 9.8 μg/m3 (41) 51.0
 
Sept. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A N/A 9.5 μg/m3 (40) 51.0
 
Sept. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A 7.5 μg/m3 (31) 52.0
 
Sept. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A N/A 5.9 μg/m3 (25) 51.0
 
Sept. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) N/A N/A 17.2 μg/m3 (61) 61.0
 
Sept. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (52) N/A N/A 10.0 μg/m3 (42) 52.0
 
Sept. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (55) N/A N/A 13.0 μg/m3 (52) 55.0
 
Sept. 16, 2019, midnight N/A N/A N/A N/A N/A N/A 77.0 ppb (60) N/A N/A 15.4 μg/m3 (57) 60.0
 
Sept. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 76.0 ppb (59) N/A N/A 13.2 μg/m3 (53) 59.0
 
Sept. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 81.0 ppb (63) N/A N/A 11.2 μg/m3 (47) 63.0
 
Sept. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 83.0 ppb (65) N/A N/A 9.0 μg/m3 (38) 65.0
 
Sept. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 75.0 ppb (58) N/A N/A 11.0 μg/m3 (46) 58.0
 
Sept. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (54) N/A N/A 10.7 μg/m3 (45) 54.0
 
Sept. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) N/A N/A 9.2 μg/m3 (38) 50.0
 
Sept. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (52) N/A N/A 9.0 μg/m3 (38) 52.0
 
Sept. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) N/A N/A 10.3 μg/m3 (43) 50.0
 
Sept. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (52) N/A N/A 13.2 μg/m3 (53) 53.0
 
Sept. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (53) N/A N/A 10.3 μg/m3 (43) 53.0
 
Sept. 15, 2019, noon N/A N/A N/A N/A N/A N/A 65.0 ppb (50) N/A N/A 6.7 μg/m3 (28) 50.0
 
Sept. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 15.2 μg/m3 (57) 57.0
 
Sept. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 9.8 μg/m3 (41) 41.0
 
Sept. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 7.8 μg/m3 (32) 42.0
 
Sept. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) N/A N/A 5.4 μg/m3 (23) 50.0
 
Sept. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 74.0 ppb (57) N/A N/A 15.9 μg/m3 (58) 58.0
 
Sept. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A 12.2 μg/m3 (50) 52.0
 
Sept. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 77.0 ppb (60) N/A N/A 11.2 μg/m3 (47) 60.0
 
Sept. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (55) N/A N/A 8.7 μg/m3 (36) 55.0
 
Sept. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 75.0 ppb (58) N/A N/A 15.9 μg/m3 (58) 58.0
 
Sept. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 90.0 ppb (71) N/A N/A 16.7 μg/m3 (60) 71.0
 
Sept. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 107.0 ppb (85) N/A N/A 16.4 μg/m3 (59) 85.0
 
Sept. 15, 2019, midnight N/A N/A N/A N/A N/A N/A 93.0 ppb (73) N/A N/A 13.1 μg/m3 (52) 73.0
 
Sept. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 99.0 ppb (78) N/A N/A 12.2 μg/m3 (50) 78.0
 
Sept. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 90.0 ppb (71) N/A N/A 12.7 μg/m3 (51) 71.0
 
Sept. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 82.0 ppb (64) N/A N/A 12.4 μg/m3 (51) 64.0
 
Sept. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 78.0 ppb (61) N/A N/A 9.4 μg/m3 (39) 61.0
 
Sept. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 74.0 ppb (57) N/A N/A 6.1 μg/m3 (25) 57.0
 
Sept. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (55) N/A N/A 8.0 μg/m3 (33) 55.0
 
Sept. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A N/A 7.3 μg/m3 (30) 49.0
 
Sept. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 4.4 μg/m3 (18) 37.0
 
Sept. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 17.4 μg/m3 (61) 61.0
 
Sept. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2019, noon N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 10.5 μg/m3 (44) 44.0
 
Sept. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 10.5 μg/m3 (44) 44.0
 
Sept. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 10.2 μg/m3 (42) 42.0
 
Sept. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 9.9 μg/m3 (41) 41.0
 
Sept. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 8.5 μg/m3 (35) 35.0
 
Sept. 14, 2019, 7 a.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
 
Sept. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 10.7 μg/m3 (45) 45.0
 
Sept. 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 19.8 μg/m3 (67) 67.0
 
Sept. 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 16.2 μg/m3 (59) 59.0
 
Sept. 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 23.9 μg/m3 (75) 75.0
 
Sept. 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 23.9 μg/m3 (75) 75.0
 
Sept. 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 73.0 ppb (57) N/A N/A 19.8 μg/m3 (67) 67.0
 
Sept. 14, 2019, midnight N/A N/A N/A N/A N/A N/A 98.0 ppb (78) N/A N/A 10.0 μg/m3 (42) 78.0
 
Sept. 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 92.0 ppb (72) N/A N/A 11.2 μg/m3 (47) 72.0
 
Sept. 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (55) N/A N/A 8.2 μg/m3 (34) 55.0
 
Sept. 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A 7.2 μg/m3 (30) 52.0
 
Sept. 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A N/A 11.2 μg/m3 (47) 49.0
 
Sept. 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A N/A 8.2 μg/m3 (34) 48.0
 
Sept. 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A 5.3 μg/m3 (22) 46.0
 
Sept. 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 7.5 μg/m3 (31) 45.0
 
Sept. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 12.7 μg/m3 (51) 51.0
 
Sept. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 14.2 μg/m3 (55) 55.0
 
Sept. 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 15.4 μg/m3 (57) 57.0
 
Sept. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 9.7 μg/m3 (40) 40.0
 
Sept. 13, 2019, noon N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 13.7 μg/m3 (54) 54.0
 
Sept. 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 12.9 μg/m3 (52) 52.0
 
Sept. 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 16.9 μg/m3 (60) 60.0
 
Sept. 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 11.9 μg/m3 (50) 50.0
 
Sept. 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 13.7 μg/m3 (54) 54.0