AQSQID: 181670018

Site Name: Terre Haute-Lafayette Ave

Location: Terre Haute, IN

Reporting: True, Located: True

Current AQI: 36.0

Terre Haute IN, US: 39.4861, -87.4014

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 26, 2019, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 47.0 ppb (36) N/A N/A N/A 36.0
 
March 26, 2019, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 45.0 ppb (35) N/A N/A 3.2 μg/m3 (13) 35.0
 
March 26, 2019, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 40.0 ppb (31) N/A N/A 6.1 μg/m3 (25) 31.0
 
March 26, 2019, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 37.0 ppb (28) N/A N/A 4.7 μg/m3 (20) 28.0
 
March 26, 2019, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 29.0 ppb (22) N/A N/A 6.4 μg/m3 (27) 27.0
 
March 26, 2019, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 25.0 ppb (19) N/A N/A 11.5 μg/m3 (48) 48.0
 
March 26, 2019, noon N/A N/A N/A N/A N/A 2.0 ppb (3) 21.0 ppb (16) N/A N/A 8.1 μg/m3 (34) 34.0
 
March 26, 2019, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 21.0 ppb (16) N/A N/A 6.1 μg/m3 (25) 25.0
 
March 26, 2019, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 22.0 ppb (17) N/A N/A 5.4 μg/m3 (23) 23.0
 
March 26, 2019, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 26.0 ppb (20) N/A N/A 2.9 μg/m3 (12) 20.0
 
March 26, 2019, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 28.0 ppb (22) N/A N/A 6.6 μg/m3 (28) 28.0
 
March 26, 2019, 7 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 30.0 ppb (23) N/A N/A 4.2 μg/m3 (18) 23.0
 
March 26, 2019, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 4.7 μg/m3 (20) 20.0
 
March 26, 2019, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 7.8 μg/m3 (32) 32.0
 
March 26, 2019, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 34.0 ppb (26) N/A N/A 4.8 μg/m3 (20) 26.0
 
March 26, 2019, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 38.0 ppb (29) N/A N/A 5.1 μg/m3 (21) 29.0
 
March 26, 2019, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 36.0 ppb (28) N/A N/A 8.6 μg/m3 (36) 36.0
 
March 26, 2019, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 43.0 ppb (33) N/A N/A 6.4 μg/m3 (27) 33.0
 
March 26, 2019, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) 44.0 ppb (34) N/A N/A 3.8 μg/m3 (16) 34.0
 
March 25, 2019, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 48.0 ppb (37) N/A N/A N/A 37.0
 
March 25, 2019, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 50.0 ppb (38) N/A N/A 15.4 μg/m3 (57) 57.0
 
March 25, 2019, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 50.0 ppb (38) N/A N/A 13.3 μg/m3 (53) 53.0
 
March 25, 2019, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 49.0 ppb (38) N/A N/A 11.4 μg/m3 (48) 48.0
 
March 25, 2019, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 46.0 ppb (35) N/A N/A 12.3 μg/m3 (51) 51.0
 
March 25, 2019, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 42.0 ppb (32) N/A N/A 21.2 μg/m3 (70) 70.0
 
March 25, 2019, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 38.0 ppb (29) N/A N/A 10.4 μg/m3 (43) 43.0
 
March 25, 2019, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 36.0 ppb (28) N/A N/A 31.3 μg/m3 (91) 91.0
 
March 25, 2019, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 32.0 ppb (25) N/A N/A 22.0 μg/m3 (71) 71.0
 
March 25, 2019, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 28.0 ppb (22) N/A N/A 32.1 μg/m3 (93) 93.0
 
March 25, 2019, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 28.0 ppb (22) N/A N/A 25.9 μg/m3 (80) 80.0
 
March 25, 2019, noon N/A N/A N/A N/A N/A 2.0 ppb (3) 34.0 ppb (26) N/A N/A 16.0 μg/m3 (59) 59.0
 
March 25, 2019, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 38.0 ppb (29) N/A N/A 17.8 μg/m3 (62) 62.0
 
March 25, 2019, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 36.0 ppb (28) N/A N/A 10.9 μg/m3 (45) 45.0
 
March 25, 2019, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 35.0 ppb (27) N/A N/A 7.9 μg/m3 (33) 33.0
 
March 25, 2019, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 31.0 ppb (24) N/A N/A 6.7 μg/m3 (28) 28.0
 
March 25, 2019, 7 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 30.0 ppb (23) N/A N/A 8.1 μg/m3 (34) 34.0
 
March 25, 2019, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 28.0 ppb (22) N/A N/A 9.1 μg/m3 (38) 38.0
 
March 25, 2019, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 28.0 ppb (22) N/A N/A 13.3 μg/m3 (53) 53.0
 
March 25, 2019, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 26.0 ppb (20) N/A N/A 15.0 μg/m3 (56) 56.0
 
March 25, 2019, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 26.0 ppb (20) N/A N/A 13.8 μg/m3 (54) 54.0
 
March 25, 2019, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 29.0 ppb (22) N/A N/A 19.2 μg/m3 (65) 65.0
 
March 25, 2019, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 29.0 ppb (22) N/A N/A 15.6 μg/m3 (58) 58.0
 
March 25, 2019, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) 32.0 ppb (25) N/A N/A 18.0 μg/m3 (63) 63.0
 
March 24, 2019, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 37.0 ppb (28) N/A N/A N/A 28.0
 
March 24, 2019, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 39.0 ppb (30) N/A N/A 17.0 μg/m3 (61) 61.0
 
March 24, 2019, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 42.0 ppb (32) N/A N/A 15.3 μg/m3 (57) 57.0
 
March 24, 2019, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 43.0 ppb (33) N/A N/A 17.2 μg/m3 (61) 61.0
 
March 24, 2019, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 41.0 ppb (32) N/A N/A 9.9 μg/m3 (41) 41.0
 
March 24, 2019, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 39.0 ppb (30) N/A N/A 9.6 μg/m3 (40) 40.0
 
March 24, 2019, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 41.0 ppb (32) N/A N/A 11.8 μg/m3 (49) 49.0
 
March 24, 2019, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 37.0 ppb (28) N/A N/A 10.6 μg/m3 (44) 44.0
 
March 24, 2019, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 37.0 ppb (28) N/A N/A 8.1 μg/m3 (34) 34.0
 
March 24, 2019, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 41.0 ppb (32) N/A N/A 9.8 μg/m3 (41) 41.0
 
March 24, 2019, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 32.0 ppb (25) N/A N/A 14.2 μg/m3 (55) 55.0
 
March 24, 2019, noon N/A N/A N/A N/A N/A 2.0 ppb (3) 9.0 ppb (7) N/A N/A 16.5 μg/m3 (60) 60.0
 
March 24, 2019, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 6.0 ppb (5) N/A N/A 17.0 μg/m3 (61) 61.0
 
March 24, 2019, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 10.0 ppb (8) N/A N/A 12.8 μg/m3 (52) 52.0
 
March 24, 2019, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 13.0 ppb (10) N/A N/A 13.0 μg/m3 (52) 52.0
 
March 24, 2019, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 3.0 ppb (2) N/A N/A 24.1 μg/m3 (76) 76.0
 
March 24, 2019, 7 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 2.0 ppb (2) N/A N/A 34.3 μg/m3 (97) 97.0
 
March 24, 2019, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 2.0 ppb (2) N/A N/A 43.0 μg/m3 (119) 119.0
 
March 24, 2019, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 2.0 ppb (2) N/A N/A 41.1 μg/m3 (114) 114.0
 
March 24, 2019, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 7.0 ppb (5) N/A N/A 37.7 μg/m3 (106) 106.0
 
March 24, 2019, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 4.0 ppb (3) N/A N/A 66.8 μg/m3 (156) 156.0
 
March 24, 2019, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 4.0 ppb (3) N/A N/A 42.4 μg/m3 (117) 117.0
 
March 24, 2019, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 17.0 ppb (13) N/A N/A 19.9 μg/m3 (67) 67.0
 
March 24, 2019, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) 31.0 ppb (24) N/A N/A 9.9 μg/m3 (41) 41.0
 
March 23, 2019, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 46.0 ppb (35) N/A N/A N/A 35.0
 
March 23, 2019, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 50.0 ppb (38) N/A N/A 5.9 μg/m3 (25) 38.0
 
March 23, 2019, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 51.0 ppb (39) N/A N/A 5.4 μg/m3 (23) 39.0
 
March 23, 2019, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 50.0 ppb (38) N/A N/A 5.4 μg/m3 (23) 38.0
 
March 23, 2019, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 49.0 ppb (38) N/A N/A 1.9 μg/m3 (8) 38.0
 
March 23, 2019, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 46.0 ppb (35) N/A N/A 1.2 μg/m3 (5) 35.0
 
March 23, 2019, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 45.0 ppb (35) N/A N/A 3.2 μg/m3 (13) 35.0
 
March 23, 2019, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 44.0 ppb (34) N/A N/A 6.6 μg/m3 (28) 34.0
 
March 23, 2019, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 41.0 ppb (32) N/A N/A 11.8 μg/m3 (49) 49.0
 
March 23, 2019, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 40.0 ppb (31) N/A N/A 9.3 μg/m3 (39) 39.0
 
March 23, 2019, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 35.0 ppb (27) N/A N/A 6.8 μg/m3 (28) 28.0
 
March 23, 2019, noon N/A N/A N/A N/A N/A 2.0 ppb (3) 15.0 ppb (12) N/A N/A 6.8 μg/m3 (28) 28.0
 
March 23, 2019, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 14.0 ppb (11) N/A N/A 10.3 μg/m3 (43) 43.0
 
March 23, 2019, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 21.0 ppb (16) N/A N/A 6.4 μg/m3 (27) 27.0
 
March 23, 2019, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 21.0 ppb (16) N/A N/A -0.8 μg/m3 (0) 16.0
 
March 23, 2019, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 32.0 ppb (25) N/A N/A 4.4 μg/m3 (18) 25.0
 
March 23, 2019, 7 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 36.0 ppb (28) N/A N/A 3.7 μg/m3 (15) 28.0
 
March 23, 2019, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 33.0 ppb (25) N/A N/A 4.9 μg/m3 (20) 25.0
 
March 23, 2019, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 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 2.0 ppb (3) 36.0 ppb (28) N/A N/A 7.4 μg/m3 (31) 31.0
 
March 23, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 9.6 μg/m3 (40) 40.0
 
March 23, 2019, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 12.0 ppb (9) N/A N/A 15.0 μg/m3 (56) 56.0
 
March 23, 2019, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 20.0 ppb (15) N/A N/A 9.1 μg/m3 (38) 38.0
 
March 23, 2019, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) 39.0 ppb (30) N/A N/A 3.0 μg/m3 (12) 30.0
 
March 22, 2019, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 46.0 ppb (35) N/A N/A N/A 35.0
 
March 22, 2019, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 48.0 ppb (37) N/A N/A 3.2 μg/m3 (13) 37.0
 
March 22, 2019, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 51.0 ppb (39) N/A N/A 4.2 μg/m3 (18) 39.0
 
March 22, 2019, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 50.0 ppb (38) N/A N/A 5.7 μg/m3 (24) 38.0
 
March 22, 2019, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 48.0 ppb (37) N/A N/A 4.5 μg/m3 (19) 37.0
 
March 22, 2019, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 45.0 ppb (35) N/A N/A 6.0 μg/m3 (25) 35.0
 
March 22, 2019, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 41.0 ppb (32) N/A N/A 7.9 μg/m3 (33) 33.0
 
March 22, 2019, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 37.0 ppb (28) N/A N/A N/A 28.0
 
March 22, 2019, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 35.0 ppb (27) N/A N/A N/A 27.0
 
March 22, 2019, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 33.0 ppb (25) N/A N/A 9.8 μg/m3 (41) 41.0
 
March 22, 2019, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 31.0 ppb (24) N/A N/A 9.6 μg/m3 (40) 40.0
 
March 22, 2019, noon N/A N/A N/A N/A N/A 2.0 ppb (3) 30.0 ppb (23) N/A N/A 8.1 μg/m3 (34) 34.0
 
March 22, 2019, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 31.0 ppb (24) N/A N/A 10.6 μg/m3 (44) 44.0
 
March 22, 2019, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 26.0 ppb (20) N/A N/A 9.3 μg/m3 (39) 39.0
 
March 22, 2019, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 28.0 ppb (22) N/A N/A 9.3 μg/m3 (39) 39.0
 
March 22, 2019, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 26.0 ppb (20) N/A N/A 10.8 μg/m3 (45) 45.0
 
March 22, 2019, 7 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 22.0 ppb (17) N/A N/A 11.1 μg/m3 (46) 46.0
 
March 22, 2019, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 27.0 ppb (21) N/A N/A 12.8 μg/m3 (52) 52.0
 
March 22, 2019, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 28.0 ppb (22) N/A N/A 20.6 μg/m3 (68) 68.0
 
March 22, 2019, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 24.0 ppb (18) N/A N/A 9.2 μg/m3 (38) 38.0
 
March 22, 2019, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 23.0 ppb (18) N/A N/A 10.3 μg/m3 (43) 43.0
 
March 22, 2019, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 25.0 ppb (19) N/A N/A 8.8 μg/m3 (37) 37.0
 
March 22, 2019, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 39.0 ppb (30) N/A N/A 7.6 μg/m3 (32) 32.0
 
March 22, 2019, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) 38.0 ppb (29) N/A N/A 8.3 μg/m3 (35) 35.0
 
March 21, 2019, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 38.0 ppb (29) N/A N/A N/A 29.0
 
March 21, 2019, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 37.0 ppb (28) N/A N/A 11.1 μg/m3 (46) 46.0
 
March 21, 2019, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 36.0 ppb (28) N/A N/A 13.2 μg/m3 (53) 53.0
 
March 21, 2019, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 35.0 ppb (27) N/A N/A 12.5 μg/m3 (51) 51.0
 
March 21, 2019, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 31.0 ppb (24) N/A N/A 19.0 μg/m3 (65) 65.0
 
March 21, 2019, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 30.0 ppb (23) N/A N/A 15.7 μg/m3 (58) 58.0
 
March 21, 2019, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 31.0 ppb (24) N/A N/A 16.0 μg/m3 (59) 59.0
 
March 21, 2019, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 32.0 ppb (25) N/A N/A 19.2 μg/m3 (65) 65.0
 
March 21, 2019, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 33.0 ppb (25) N/A N/A 17.4 μg/m3 (61) 61.0
 
March 21, 2019, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 34.0 ppb (26) N/A N/A 14.5 μg/m3 (55) 55.0
 
March 21, 2019, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 33.0 ppb (25) N/A N/A 11.1 μg/m3 (46) 46.0
 
March 21, 2019, noon N/A N/A N/A N/A N/A 2.0 ppb (3) 33.0 ppb (25) N/A N/A 8.6 μg/m3 (36) 36.0
 
March 21, 2019, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 36.0 ppb (28) N/A N/A 9.8 μg/m3 (41) 41.0
 
March 21, 2019, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 35.0 ppb (27) N/A N/A 12.0 μg/m3 (50) 50.0
 
March 21, 2019, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 28.0 ppb (22) N/A N/A 15.5 μg/m3 (57) 57.0
 
March 21, 2019, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 24.0 ppb (18) N/A N/A 16.7 μg/m3 (60) 60.0
 
March 21, 2019, 7 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 21.0 ppb (16) N/A N/A 22.9 μg/m3 (73) 73.0
 
March 21, 2019, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 25.0 ppb (19) N/A N/A 17.2 μg/m3 (61) 61.0
 
March 21, 2019, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 25.0 ppb (19) N/A N/A 21.9 μg/m3 (71) 71.0
 
March 21, 2019, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 28.0 ppb (22) N/A N/A 16.2 μg/m3 (59) 59.0
 
March 21, 2019, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 33.0 ppb (25) N/A N/A 17.9 μg/m3 (63) 63.0
 
March 21, 2019, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 35.0 ppb (27) N/A N/A 20.5 μg/m3 (68) 68.0
 
March 21, 2019, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 36.0 ppb (28) N/A N/A 11.7 μg/m3 (49) 49.0
 
March 21, 2019, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) 34.0 ppb (26) N/A N/A 13.5 μg/m3 (53) 53.0
 
March 20, 2019, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 36.0 ppb (28) N/A N/A N/A 28.0
 
March 20, 2019, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 37.0 ppb (28) N/A N/A 11.9 μg/m3 (50) 50.0
 
March 20, 2019, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 38.0 ppb (29) N/A N/A 11.8 μg/m3 (49) 49.0
 
March 20, 2019, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 37.0 ppb (28) N/A N/A 10.3 μg/m3 (43) 43.0
 
March 20, 2019, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 35.0 ppb (27) N/A N/A 10.8 μg/m3 (45) 45.0
 
March 20, 2019, 6 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 38.0 ppb (29) N/A N/A 10.1 μg/m3 (42) 42.0
 
March 20, 2019, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 36.0 ppb (28) N/A N/A 12.3 μg/m3 (51) 51.0
 
March 20, 2019, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 31.0 ppb (24) N/A N/A 12.5 μg/m3 (51) 51.0
 
March 20, 2019, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 31.0 ppb (24) N/A N/A 10.3 μg/m3 (43) 43.0
 
March 20, 2019, 2 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 34.0 ppb (26) N/A N/A 9.3 μg/m3 (39) 39.0
 
March 20, 2019, 1 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 34.0 ppb (26) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 20, 2019, noon N/A N/A N/A N/A N/A 2.0 ppb (3) 26.0 ppb (20) N/A N/A 14.5 μg/m3 (55) 55.0
 
March 20, 2019, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 27.0 ppb (21) N/A N/A 13.0 μg/m3 (52) 52.0
 
March 20, 2019, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 24.0 ppb (18) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 20, 2019, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 28.0 ppb (22) N/A N/A 17.6 μg/m3 (62) 62.0
 
March 20, 2019, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 33.0 ppb (25) N/A N/A 14.2 μg/m3 (55) 55.0
 
March 20, 2019, 7 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 37.0 ppb (28) N/A N/A 13.9 μg/m3 (54) 54.0
 
March 20, 2019, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 12.7 μg/m3 (51) 51.0
 
March 20, 2019, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 12.2 μg/m3 (50) 50.0
 
March 20, 2019, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 13.9 μg/m3 (54) 54.0
 
March 20, 2019, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 15.2 μg/m3 (57) 57.0
 
March 20, 2019, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 26.3 μg/m3 (80) 80.0
 
March 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 40.7 μg/m3 (113) 113.0
 
March 20, 2019, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 15.3 μg/m3 (57) 57.0
 
March 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
March 19, 2019, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
March 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 12.5 μg/m3 (51) 51.0
 
March 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 13.2 μg/m3 (53) 53.0
 
March 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 10.6 μg/m3 (44) 44.0