AQSQID: 010890014

Site Name: Huntsville Old Airport

Location: Huntsville, AL

Reporting: True, Located: True

Current AQI: 53.0

Huntsville AL, US: 34.6917, -86.591698

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 13.5 μg/m3 (53) 53.0
 
Sept. 16, 2019, 10 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
 
Sept. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 12.7 μg/m3 (51) 51.0
 
Sept. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 11.7 μg/m3 (49) 49.0
 
Sept. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 11.4 μg/m3 (48) 48.0
 
Sept. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 10.3 μg/m3 (43) 43.0
 
Sept. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 12.1 μg/m3 (50) 50.0
 
Sept. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 13.8 μg/m3 (54) 54.0
 
Sept. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 12.2 μg/m3 (50) 50.0
 
Sept. 16, 2019, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 13.4 μg/m3 (53) 53.0
 
Sept. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 12.1 μg/m3 (50) 50.0
 
Sept. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 11.9 μg/m3 (50) 50.0
 
Sept. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 11.5 μg/m3 (48) 48.0
 
Sept. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 10.9 μg/m3 (45) 45.0
 
Sept. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 11.3 μg/m3 (47) 47.0
 
Sept. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 13.2 μg/m3 (53) 53.0
 
Sept. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 12.7 μg/m3 (51) 51.0
 
Sept. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 12.7 μg/m3 (51) 51.0
 
Sept. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 12.2 μg/m3 (50) 50.0
 
Sept. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 12.6 μg/m3 (51) 51.0
 
Sept. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 17.5 μg/m3 (62) 62.0
 
Sept. 15, 2019, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 15.7 μg/m3 (58) 58.0
 
Sept. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 13.8 μg/m3 (54) 54.0
 
Sept. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.2 μg/m3 (53) 53.0
 
Sept. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.2 μg/m3 (53) 53.0
 
Sept. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.2 μg/m3 (53) 53.0
 
Sept. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 13.6 μg/m3 (53) 53.0
 
Sept. 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 14.8 μg/m3 (56) 56.0
 
Sept. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 14.7 μg/m3 (56) 56.0
 
Sept. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 16.0 μg/m3 (59) 59.0
 
Sept. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 16.3 μg/m3 (59) 59.0
 
Sept. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 16.9 μg/m3 (60) 60.0
 
Sept. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 16.0 μg/m3 (59) 59.0
 
Sept. 15, 2019, midnight N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 15.8 μg/m3 (58) 58.0
 
Sept. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 15.2 μg/m3 (57) 57.0
 
Sept. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 13.5 μg/m3 (53) 53.0
 
Sept. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 13.2 μg/m3 (53) 53.0
 
Sept. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 13.4 μg/m3 (53) 53.0
 
Sept. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 13.2 μg/m3 (53) 53.0
 
Sept. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 11.7 μg/m3 (49) 49.0
 
Sept. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 13.2 μg/m3 (53) 53.0
 
Sept. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 13.8 μg/m3 (54) 54.0
 
Sept. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 12.6 μg/m3 (51) 51.0
 
Sept. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 12.6 μg/m3 (51) 51.0
 
Sept. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 13.9 μg/m3 (54) 54.0
 
Sept. 14, 2019, noon N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 12.7 μg/m3 (51) 51.0
 
Sept. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 11.5 μg/m3 (48) 48.0
 
Sept. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 11.7 μg/m3 (49) 49.0
 
Sept. 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 12.9 μg/m3 (52) 52.0
 
Sept. 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 11.8 μg/m3 (49) 49.0
 
Sept. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 14, 2019, 6 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. 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 14.9 μg/m3 (56) 56.0
 
Sept. 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 14.6 μg/m3 (56) 56.0
 
Sept. 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 14.5 μg/m3 (55) 55.0
 
Sept. 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 13.5 μg/m3 (53) 53.0
 
Sept. 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 15.3 μg/m3 (57) 57.0
 
Sept. 14, 2019, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 15.7 μg/m3 (58) 58.0
 
Sept. 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 15.3 μg/m3 (57) 57.0
 
Sept. 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A N/A 15.0 μg/m3 (56) 56.0
 
Sept. 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 74.0 ppb (57) N/A N/A 17.4 μg/m3 (61) 61.0
 
Sept. 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 83.0 ppb (65) N/A N/A 15.8 μg/m3 (58) 65.0
 
Sept. 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 77.0 ppb (60) N/A N/A 15.0 μg/m3 (56) 60.0
 
Sept. 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (55) N/A N/A 14.9 μg/m3 (56) 56.0
 
Sept. 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) N/A N/A 15.4 μg/m3 (57) 57.0
 
Sept. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A N/A 17.1 μg/m3 (61) 61.0
 
Sept. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 20.2 μg/m3 (67) 67.0
 
Sept. 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 22.2 μg/m3 (72) 72.0
 
Sept. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 20.8 μg/m3 (69) 69.0
 
Sept. 13, 2019, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 20.1 μg/m3 (67) 67.0
 
Sept. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 17.0 μg/m3 (61) 61.0
 
Sept. 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 16.6 μg/m3 (60) 60.0
 
Sept. 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 16.2 μg/m3 (59) 59.0
 
Sept. 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 15.6 μg/m3 (58) 58.0
 
Sept. 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 17.1 μg/m3 (61) 61.0
 
Sept. 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 17.1 μg/m3 (61) 61.0
 
Sept. 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 17.0 μg/m3 (61) 61.0
 
Sept. 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 15.6 μg/m3 (58) 58.0
 
Sept. 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 17.0 μg/m3 (61) 61.0
 
Sept. 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 17.4 μg/m3 (61) 61.0
 
Sept. 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 17.1 μg/m3 (61) 61.0
 
Sept. 13, 2019, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 16.7 μg/m3 (60) 60.0
 
Sept. 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 16.6 μg/m3 (60) 60.0
 
Sept. 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 16.4 μg/m3 (59) 59.0
 
Sept. 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 15.9 μg/m3 (58) 58.0
 
Sept. 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 14.8 μg/m3 (56) 56.0
 
Sept. 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 15.5 μg/m3 (57) 57.0
 
Sept. 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 15.8 μg/m3 (58) 58.0
 
Sept. 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A 17.1 μg/m3 (61) 61.0
 
Sept. 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 18.2 μg/m3 (63) 63.0
 
Sept. 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 17.8 μg/m3 (62) 62.0
 
Sept. 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 18.8 μg/m3 (64) 64.0
 
Sept. 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 18.0 μg/m3 (63) 63.0
 
Sept. 12, 2019, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 16.8 μg/m3 (60) 60.0
 
Sept. 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 15.3 μg/m3 (57) 57.0
 
Sept. 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 14.3 μg/m3 (55) 55.0
 
Sept. 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 13.7 μg/m3 (54) 54.0
 
Sept. 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 12.3 μg/m3 (51) 51.0
 
Sept. 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 12.4 μg/m3 (51) 51.0
 
Sept. 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 13.1 μg/m3 (52) 52.0
 
Sept. 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 12.9 μg/m3 (52) 52.0
 
Sept. 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 12.1 μg/m3 (50) 50.0
 
Sept. 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 14.2 μg/m3 (55) 55.0
 
Sept. 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 13.5 μg/m3 (53) 53.0
 
Sept. 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 13.9 μg/m3 (54) 54.0
 
Sept. 12, 2019, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 12.6 μg/m3 (51) 51.0
 
Sept. 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 12.3 μg/m3 (51) 51.0
 
Sept. 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 9.2 μg/m3 (38) 38.0
 
Sept. 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 8.6 μg/m3 (36) 38.0
 
Sept. 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A N/A 42.0
 
Sept. 11, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A N/A 42.0
 
Sept. 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 27.1 μg/m3 (82) 82.0
 
Sept. 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 39.5 μg/m3 (110) 110.0
 
Sept. 11, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 38.9 μg/m3 (108) 108.0
 
Sept. 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 35.8 μg/m3 (101) 101.0
 
Sept. 11, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 39.9 μg/m3 (111) 111.0
 
Sept. 11, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 37.5 μg/m3 (105) 105.0
 
Sept. 11, 2019, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 29.8 μg/m3 (88) 88.0
 
Sept. 11, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 25.5 μg/m3 (79) 79.0
 
Sept. 11, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 24.0 μg/m3 (76) 76.0
 
Sept. 11, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 23.4 μg/m3 (74) 74.0
 
Sept. 11, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 23.2 μg/m3 (74) 74.0
 
Sept. 11, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 20.8 μg/m3 (69) 69.0
 
Sept. 11, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 20.9 μg/m3 (69) 69.0
 
Sept. 11, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 19.3 μg/m3 (66) 66.0
 
Sept. 11, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 18.1 μg/m3 (63) 63.0
 
Sept. 11, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 19.1 μg/m3 (65) 65.0
 
Sept. 11, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 22.2 μg/m3 (72) 72.0
 
Sept. 11, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 22.5 μg/m3 (72) 72.0
 
Sept. 11, 2019, midnight N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 19.6 μg/m3 (66) 66.0
 
Sept. 10, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 20.1 μg/m3 (67) 67.0
 
Sept. 10, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 13.7 μg/m3 (54) 54.0
 
Sept. 10, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 22.6 μg/m3 (73) 73.0
 
Sept. 10, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 26.8 μg/m3 (81) 81.0
 
Sept. 10, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 28.8 μg/m3 (86) 86.0
 
Sept. 10, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 29.7 μg/m3 (88) 88.0
 
Sept. 10, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 30.6 μg/m3 (90) 90.0
 
Sept. 10, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.7 μg/m3 (90) 90.0
 
Sept. 10, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.8 μg/m3 (99) 99.0
 
Sept. 10, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.8 μg/m3 (86) 86.0
 
Sept. 10, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.5 μg/m3 (81) 81.0
 
Sept. 10, 2019, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 37.0 μg/m3 (104) 104.0
 
Sept. 10, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 20.4 μg/m3 (68) 68.0
 
Sept. 10, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 16.3 μg/m3 (59) 59.0
 
Sept. 10, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 14.7 μg/m3 (56) 56.0
 
Sept. 10, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 13.7 μg/m3 (54) 54.0
 
Sept. 10, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 13.4 μg/m3 (53) 53.0
 
Sept. 10, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 10, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 14.4 μg/m3 (55) 55.0
 
Sept. 10, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 15.2 μg/m3 (57) 57.0
 
Sept. 10, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 18.4 μg/m3 (64) 64.0
 
Sept. 10, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 12.5 μg/m3 (51) 51.0
 
Sept. 10, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 14.8 μg/m3 (56) 56.0
 
Sept. 10, 2019, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 13.7 μg/m3 (54) 54.0
 
Sept. 9, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 11.7 μg/m3 (49) 49.0
 
Sept. 9, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 11.7 μg/m3 (49) 49.0
 
Sept. 9, 2019, 9 p.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
 
Sept. 9, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 9.7 μg/m3 (40) 45.0
 
Sept. 9, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 8.8 μg/m3 (37) 45.0
 
Sept. 9, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 8.0 μg/m3 (33) 43.0
 
Sept. 9, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 9.6 μg/m3 (40) 41.0
 
Sept. 9, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 9.5 μg/m3 (40) 40.0
 
Sept. 9, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 13.7 μg/m3 (54) 54.0
 
Sept. 9, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 18.2 μg/m3 (63) 63.0
 
Sept. 9, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 16.6 μg/m3 (60) 60.0
 
Sept. 9, 2019, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 15.6 μg/m3 (58) 58.0