AQSQID: 132150008

Site Name: Columbus Airport

Location: Columbus, GA

Reporting: True, Located: True

Current AQI: 85.0

Columbus GA, US: 32.5214, -84.9436

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 23, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 28.6 μg/m3 (85) 85.0
 
March 23, 2019, noon N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 25.5 μg/m3 (79) 79.0
 
March 23, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 22.2 μg/m3 (72) 72.0
 
March 23, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 18.0 μg/m3 (63) 63.0
 
March 23, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 18.5 μg/m3 (64) 64.0
 
March 23, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 15.9 μg/m3 (58) 58.0
 
March 23, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 12.2 μg/m3 (50) 50.0
 
March 23, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 10.1 μg/m3 (42) 42.0
 
March 23, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 10.1 μg/m3 (42) 42.0
 
March 23, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 15.0 μg/m3 (56) 56.0
 
March 23, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 9.4 μg/m3 (39) 39.0
 
March 23, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 8.3 μg/m3 (35) 35.0
 
March 23, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 7.1 μg/m3 (30) 30.0
 
March 23, 2019, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 3.9 μg/m3 (16) 29.0
 
March 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 1.6 μg/m3 (7) 38.0
 
March 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 3.7 μg/m3 (15) 41.0
 
March 22, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 5.3 μg/m3 (22) 41.0
 
March 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 4.2 μg/m3 (18) 40.0
 
March 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 7.3 μg/m3 (30) 41.0
 
March 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 9.4 μg/m3 (39) 39.0
 
March 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 1.8 μg/m3 (8) 38.0
 
March 22, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 6.2 μg/m3 (26) 35.0
 
March 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 7.8 μg/m3 (32) 33.0
 
March 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 9.6 μg/m3 (40) 40.0
 
March 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 6.3 μg/m3 (26) 29.0
 
March 22, 2019, noon N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 7.5 μg/m3 (31) 31.0
 
March 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 5.4 μg/m3 (23) 23.0
 
March 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 6.6 μg/m3 (28) 28.0
 
March 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 8.6 μg/m3 (36) 36.0
 
March 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 6.2 μg/m3 (26) 29.0
 
March 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 5.9 μg/m3 (25) 31.0
 
March 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 5.9 μg/m3 (25) 33.0
 
March 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 8.2 μg/m3 (34) 34.0
 
March 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 5.7 μg/m3 (24) 32.0
 
March 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 9.5 μg/m3 (40) 40.0
 
March 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 10.0 μg/m3 (42) 42.0
 
March 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 6.0 μg/m3 (25) 27.0
 
March 22, 2019, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 4.6 μg/m3 (19) 33.0
 
March 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 3.5 μg/m3 (15) 38.0
 
March 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 0.9 μg/m3 (4) 39.0
 
March 21, 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
 
March 21, 2019, 8 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
 
March 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 0.9 μg/m3 (4) 40.0
 
March 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 0.2 μg/m3 (1) 41.0
 
March 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 2.0 μg/m3 (8) 40.0
 
March 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 4.0 μg/m3 (17) 39.0
 
March 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 9.0 μg/m3 (38) 38.0
 
March 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 28.6 μg/m3 (85) 85.0
 
March 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 51.3 μg/m3 (140) 140.0
 
March 21, 2019, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 44.6 μg/m3 (123) 123.0
 
March 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 44.1 μg/m3 (122) 122.0
 
March 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 38.7 μg/m3 (108) 108.0
 
March 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 35.0 μg/m3 (99) 99.0
 
March 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 32.5 μg/m3 (94) 94.0
 
March 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 32.4 μg/m3 (93) 93.0
 
March 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 32.5 μg/m3 (94) 94.0
 
March 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 42.2 μg/m3 (117) 117.0
 
March 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 34.9 μg/m3 (99) 99.0
 
March 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 36.9 μg/m3 (104) 104.0
 
March 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 31.5 μg/m3 (91) 91.0
 
March 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 25.2 μg/m3 (78) 78.0
 
March 21, 2019, midnight N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 23.4 μg/m3 (74) 74.0
 
March 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A N/A 24.3 μg/m3 (76) 76.0
 
March 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A N/A 33.6 μg/m3 (96) 96.0
 
March 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (53) N/A N/A 30.4 μg/m3 (89) 89.0
 
March 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A 22.9 μg/m3 (73) 73.0
 
March 20, 2019, 7 p.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
 
March 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A N/A 9.5 μg/m3 (40) 48.0
 
March 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 9.4 μg/m3 (39) 45.0
 
March 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 9.6 μg/m3 (40) 43.0
 
March 20, 2019, 3 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
 
March 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 15.1 μg/m3 (57) 57.0
 
March 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 15.6 μg/m3 (58) 58.0
 
March 20, 2019, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 14.9 μg/m3 (56) 56.0
 
March 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 13.4 μg/m3 (53) 53.0
 
March 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 13.8 μg/m3 (54) 54.0
 
March 20, 2019, 9 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
 
March 20, 2019, 8 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
 
March 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 9.1 μg/m3 (38) 38.0
 
March 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 11.4 μg/m3 (48) 48.0
 
March 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 16.9 μg/m3 (60) 60.0
 
March 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 44.5 μg/m3 (122) 122.0
 
March 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 76.5 μg/m3 (161) 161.0
 
March 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 61.2 μg/m3 (153) 153.0
 
March 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A 50.2 μg/m3 (137) 137.0
 
March 20, 2019, midnight N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 19.5 μg/m3 (66) 66.0
 
March 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 7.2 μg/m3 (30) 44.0
 
March 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 7.3 μg/m3 (30) 43.0
 
March 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 6.8 μg/m3 (28) 43.0
 
March 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 5.7 μg/m3 (24) 42.0
 
March 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 4.4 μg/m3 (18) 42.0
 
March 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 4.7 μg/m3 (20) 40.0
 
March 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 4.5 μg/m3 (19) 38.0
 
March 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 5.4 μg/m3 (23) 37.0
 
March 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 5.7 μg/m3 (24) 35.0
 
March 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 6.1 μg/m3 (25) 34.0
 
March 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 6.6 μg/m3 (28) 32.0
 
March 19, 2019, noon N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 4.6 μg/m3 (19) 32.0
 
March 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 4.7 μg/m3 (20) 30.0
 
March 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 5.4 μg/m3 (23) 29.0
 
March 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 3.6 μg/m3 (15) 29.0
 
March 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 3.1 μg/m3 (13) 32.0
 
March 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 1.1 μg/m3 (5) 33.0
 
March 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 2.8 μg/m3 (12) 35.0
 
March 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 4.4 μg/m3 (18) 35.0
 
March 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 6.6 μg/m3 (28) 35.0
 
March 19, 2019, 3 a.m. 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
 
March 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 5.4 μg/m3 (23) 37.0
 
March 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 10.0 μg/m3 (42) 42.0
 
March 19, 2019, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 8.5 μg/m3 (35) 37.0
 
March 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 5.5 μg/m3 (23) 39.0
 
March 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 6.5 μg/m3 (27) 39.0
 
March 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 11.7 μg/m3 (49) 49.0
 
March 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 7.5 μg/m3 (31) 42.0
 
March 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 10.2 μg/m3 (42) 42.0
 
March 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 7.3 μg/m3 (30) 42.0
 
March 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 8.7 μg/m3 (36) 41.0
 
March 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 3.2 μg/m3 (13) 41.0
 
March 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 2.9 μg/m3 (12) 38.0
 
March 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 5.7 μg/m3 (24) 36.0
 
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 5.6 μg/m3 (23) 32.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 5.6 μg/m3 (23) 28.0
 
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 5.5 μg/m3 (23) 28.0
 
March 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 5.6 μg/m3 (23) 25.0
 
March 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
March 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.1 μg/m3 (21) 21.0
 
March 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 5.3 μg/m3 (22) 22.0
 
March 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 5.2 μg/m3 (22) 22.0
 
March 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
March 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 7.0 μg/m3 (29) 29.0
 
March 18, 2019, 3 a.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
 
March 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 10.6 μg/m3 (44) 44.0
 
March 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 10.7 μg/m3 (45) 45.0
 
March 18, 2019, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 5.5 μg/m3 (23) 25.0
 
March 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 1.6 μg/m3 (7) 35.0
 
March 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 2.5 μg/m3 (10) 39.0
 
March 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 3.1 μg/m3 (13) 39.0
 
March 17, 2019, 8 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
 
March 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 0.5 μg/m3 (2) 39.0
 
March 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 2.8 μg/m3 (12) 38.0
 
March 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 2.1 μg/m3 (9) 37.0
 
March 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 4.5 μg/m3 (19) 34.0
 
March 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 6.3 μg/m3 (26) 30.0
 
March 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 4.2 μg/m3 (18) 25.0
 
March 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 5.1 μg/m3 (21) 24.0
 
March 17, 2019, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 4.3 μg/m3 (18) 24.0
 
March 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 4.1 μg/m3 (17) 25.0
 
March 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 4.4 μg/m3 (18) 24.0
 
March 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 5.7 μg/m3 (24) 24.0
 
March 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 5.7 μg/m3 (24) 24.0
 
March 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 8.8 μg/m3 (37) 37.0
 
March 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 9.5 μg/m3 (40) 40.0
 
March 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 9.5 μg/m3 (40) 40.0
 
March 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 11.2 μg/m3 (47) 47.0
 
March 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 7.2 μg/m3 (30) 30.0
 
March 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 5.8 μg/m3 (24) 24.0
 
March 17, 2019, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 3.9 μg/m3 (16) 27.0
 
March 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 3.8 μg/m3 (16) 32.0
 
March 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 1.7 μg/m3 (7) 33.0
 
March 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 2.1 μg/m3 (9) 34.0
 
March 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 1.8 μg/m3 (8) 33.0
 
March 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 1.0 μg/m3 (4) 32.0
 
March 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 1.1 μg/m3 (5) 32.0
 
March 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 2.4 μg/m3 (10) 31.0
 
March 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 1.3 μg/m3 (5) 30.0
 
March 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 2.7 μg/m3 (11) 31.0
 
March 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 2.6 μg/m3 (11) 31.0