AQSQID: 060710005

Site Name: Crestline - Lake Gregory

Location: San Bernardino Co, CA

Reporting: False, Located: True

Current AQI: None

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
May 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 3.0 μg/m3 (12) 40.0
 
May 20, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.5 μg/m3 (10) 10.0
 
May 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
May 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.1 μg/m3 (25) 25.0
 
May 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
May 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A N/A 39.0
 
May 19, 2019, noon N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 2.5 μg/m3 (10) 36.0
 
May 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 2.8 μg/m3 (12) 35.0
 
May 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 1.3 μg/m3 (5) 32.0
 
May 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
May 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 4.0 μg/m3 (17) 35.0
 
May 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 2.3 μg/m3 (10) 35.0
 
May 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 5.5 μg/m3 (23) 36.0
 
May 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 7.4 μg/m3 (31) 37.0
 
May 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 16.0 μg/m3 (59) 59.0
 
May 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 13.3 μg/m3 (53) 53.0
 
May 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 14.0 μg/m3 (54) 54.0
 
May 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 16.2 μg/m3 (59) 59.0
 
May 19, 2019, midnight N/A N/A N/A N/A N/A N/A 65.0 ppb (50) N/A N/A 5.0 μg/m3 (21) 50.0
 
May 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (52) N/A N/A 6.7 μg/m3 (28) 52.0
 
May 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A N/A 9.3 μg/m3 (39) 51.0
 
May 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A 9.6 μg/m3 (40) 52.0
 
May 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.5 μg/m3 (60) 60.0
 
May 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.8 μg/m3 (54) 54.0
 
May 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 9.1 μg/m3 (38) 38.0
 
May 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 3.0 μg/m3 (12) 39.0
 
May 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 4.7 μg/m3 (20) 42.0
 
May 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 6.7 μg/m3 (28) 32.0
 
May 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
May 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 3.0 μg/m3 (12) 13.0
 
May 18, 2019, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 4.0 μg/m3 (17) 17.0
 
May 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 6.2 μg/m3 (26) 26.0
 
May 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 10.3 μg/m3 (43) 43.0
 
May 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 12.0 μg/m3 (50) 50.0
 
May 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 12.3 μg/m3 (51) 51.0
 
May 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 20.2 μg/m3 (67) 67.0
 
May 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 13.2 μg/m3 (53) 53.0
 
May 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 9.6 μg/m3 (40) 40.0
 
May 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 7.3 μg/m3 (30) 30.0
 
May 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 6.5 μg/m3 (27) 33.0
 
May 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 9.6 μg/m3 (40) 40.0
 
May 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 12.5 μg/m3 (51) 51.0
 
May 18, 2019, midnight 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
 
May 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 14.7 μg/m3 (56) 56.0
 
May 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 15.7 μg/m3 (58) 58.0
 
May 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A N/A 38.0
 
May 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A N/A 36.0
 
May 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 8.9 μg/m3 (37) 37.0
 
May 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 8.6 μg/m3 (36) 36.0
 
May 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 8.6 μg/m3 (36) 36.0
 
May 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 7.6 μg/m3 (32) 33.0
 
May 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (26) 26.0
 
May 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.7 μg/m3 (28) 28.0
 
May 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.3 μg/m3 (26) 26.0
 
May 17, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
May 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 2.3 μg/m3 (10) 27.0
 
May 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 0.6 μg/m3 (2) 27.0
 
May 16, 2019, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 0.1 μg/m3 (0) 28.0
 
May 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 4.2 μg/m3 (18) 27.0
 
May 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 7.2 μg/m3 (30) 30.0
 
May 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 6.2 μg/m3 (26) 27.0
 
May 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 4.7 μg/m3 (20) 28.0
 
May 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 4.5 μg/m3 (19) 31.0
 
May 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 5.7 μg/m3 (24) 28.0
 
May 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 4.2 μg/m3 (18) 30.0
 
May 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
May 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 8.6 μg/m3 (36) 36.0
 
May 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 10.8 μg/m3 (45) 45.0
 
May 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 14.8 μg/m3 (56) 56.0
 
May 16, 2019, midnight N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A N/A 18.0 μg/m3 (63) 63.0
 
May 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) N/A N/A 17.0 μg/m3 (61) 61.0
 
May 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A N/A 16.5 μg/m3 (60) 60.0
 
May 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A N/A 15.5 μg/m3 (57) 57.0
 
May 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 25.4 μg/m3 (79) 79.0
 
May 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 20.6 μg/m3 (68) 68.0
 
May 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 16.0 μg/m3 (59) 59.0
 
May 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 7.4 μg/m3 (31) 42.0
 
May 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 4.8 μg/m3 (20) 44.0
 
May 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 5.0 μg/m3 (21) 45.0
 
May 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 5.3 μg/m3 (22) 47.0
 
May 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A N/A 7.2 μg/m3 (30) 48.0
 
May 15, 2019, noon N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A N/A 10.1 μg/m3 (42) 48.0
 
May 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 12.6 μg/m3 (51) 51.0
 
May 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A 12.8 μg/m3 (52) 52.0
 
May 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A N/A 11.8 μg/m3 (49) 49.0
 
May 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (53) N/A N/A 16.8 μg/m3 (60) 60.0
 
May 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A 9.6 μg/m3 (40) 52.0
 
May 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A N/A 7.0 μg/m3 (29) 51.0
 
May 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (52) N/A N/A 5.2 μg/m3 (22) 52.0
 
May 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A N/A 6.5 μg/m3 (27) 51.0
 
May 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A 11.6 μg/m3 (48) 52.0
 
May 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 75.0 ppb (58) N/A N/A 17.3 μg/m3 (61) 61.0
 
May 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 79.0 ppb (62) N/A N/A 13.8 μg/m3 (54) 62.0
 
May 15, 2019, midnight N/A N/A N/A N/A N/A N/A 82.0 ppb (64) N/A N/A 18.0 μg/m3 (63) 64.0
 
May 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 81.0 ppb (63) N/A N/A 16.3 μg/m3 (59) 63.0
 
May 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 77.0 ppb (60) N/A N/A 13.8 μg/m3 (54) 60.0
 
May 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 72.0 ppb (56) N/A N/A 15.3 μg/m3 (57) 57.0
 
May 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A 12.8 μg/m3 (52) 52.0
 
May 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A N/A 11.1 μg/m3 (46) 49.0
 
May 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A N/A 16.5 μg/m3 (60) 60.0
 
May 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A N/A 4.7 μg/m3 (20) 48.0
 
May 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A N/A 5.9 μg/m3 (25) 48.0
 
May 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A N/A 8.6 μg/m3 (36) 48.0
 
May 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 6.5 μg/m3 (27) 38.0
 
May 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 7.7 μg/m3 (32) 32.0
 
May 14, 2019, noon N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 7.6 μg/m3 (32) 33.0
 
May 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 5.0 μg/m3 (21) 31.0
 
May 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 7.3 μg/m3 (30) 32.0
 
May 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 7.6 μg/m3 (32) 38.0
 
May 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 8.6 μg/m3 (36) 41.0
 
May 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 7.4 μg/m3 (31) 45.0
 
May 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 9.1 μg/m3 (38) 47.0
 
May 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (55) N/A N/A 8.6 μg/m3 (36) 55.0
 
May 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 73.0 ppb (57) N/A N/A 6.0 μg/m3 (25) 57.0
 
May 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (54) N/A N/A 7.1 μg/m3 (30) 54.0
 
May 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (52) N/A N/A 15.8 μg/m3 (58) 58.0
 
May 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A 18.0 μg/m3 (63) 63.0
 
May 14, 2019, midnight N/A N/A N/A N/A N/A N/A 71.0 ppb (55) N/A N/A 17.5 μg/m3 (62) 62.0
 
May 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (55) N/A N/A 16.8 μg/m3 (60) 60.0
 
May 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A N/A 13.5 μg/m3 (53) 53.0
 
May 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 10.6 μg/m3 (44) 47.0
 
May 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 8.6 μg/m3 (36) 47.0
 
May 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A 7.6 μg/m3 (32) 46.0
 
May 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 4.2 μg/m3 (18) 47.0
 
May 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A N/A 4.7 μg/m3 (20) 48.0
 
May 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 4.7 μg/m3 (20) 44.0
 
May 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 4.5 μg/m3 (19) 25.0
 
May 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 6.5 μg/m3 (27) 27.0
 
May 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 6.7 μg/m3 (28) 28.0
 
May 13, 2019, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 5.5 μg/m3 (23) 23.0
 
May 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 3.3 μg/m3 (14) 20.0
 
May 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 2.3 μg/m3 (10) 22.0
 
May 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 8.1 μg/m3 (34) 34.0
 
May 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 11.6 μg/m3 (48) 48.0
 
May 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 7.9 μg/m3 (33) 33.0
 
May 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 4.9 μg/m3 (20) 44.0
 
May 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 7.8 μg/m3 (32) 47.0
 
May 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A 11.1 μg/m3 (46) 46.0
 
May 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 9.6 μg/m3 (40) 47.0
 
May 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A 9.1 μg/m3 (38) 46.0
 
May 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A N/A 16.3 μg/m3 (59) 59.0
 
May 13, 2019, midnight N/A N/A N/A N/A N/A N/A 67.0 ppb (52) N/A N/A 10.3 μg/m3 (43) 52.0
 
May 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A 8.1 μg/m3 (34) 52.0
 
May 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (53) N/A N/A 16.3 μg/m3 (59) 59.0
 
May 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 75.0 ppb (58) N/A N/A 18.0 μg/m3 (63) 63.0
 
May 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A N/A 10.3 μg/m3 (43) 51.0
 
May 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 6.0 μg/m3 (25) 43.0
 
May 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 3.7 μg/m3 (15) 42.0
 
May 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 2.5 μg/m3 (10) 41.0
 
May 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 3.3 μg/m3 (14) 40.0
 
May 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 7.6 μg/m3 (32) 35.0
 
May 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 6.2 μg/m3 (26) 26.0
 
May 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 5.7 μg/m3 (24) 24.0
 
May 12, 2019, noon N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 8.1 μg/m3 (34) 34.0
 
May 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 7.4 μg/m3 (31) 31.0
 
May 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 5.0 μg/m3 (21) 21.0
 
May 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 6.2 μg/m3 (26) 26.0
 
May 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 8.6 μg/m3 (36) 36.0
 
May 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 15.5 μg/m3 (57) 57.0
 
May 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 9.6 μg/m3 (40) 40.0
 
May 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 7.2 μg/m3 (30) 30.0
 
May 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 6.0 μg/m3 (25) 25.0
 
May 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 6.2 μg/m3 (26) 26.0
 
May 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 6.9 μg/m3 (29) 29.0
 
May 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 6.0 μg/m3 (25) 37.0
 
May 12, 2019, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 6.2 μg/m3 (26) 36.0
 
May 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 6.0 μg/m3 (25) 35.0
 
May 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 5.5 μg/m3 (23) 36.0