AQSQID: 000091901

Site Name: Caroline

Location: Range Rd 60, CC

Reporting: True, Located: True

Current AQI: 36.0

Range Rd 60 CC, CA: 51.95, -114.7

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 26, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 8.7 μg/m3 (36) 36.0
 
March 26, 2019, noon N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 4.1 μg/m3 (17) 17.0
 
March 26, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 3.4 μg/m3 (14) 14.0
 
March 26, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 4.2 μg/m3 (18) 18.0
 
March 26, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.6 μg/m3 (32) 32.0
 
March 26, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 1.5 μg/m3 (6) 10.0
 
March 26, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 2.1 μg/m3 (9) 11.0
 
March 26, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 3.5 μg/m3 (15) 15.0
 
March 26, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 3.3 μg/m3 (14) 14.0
 
March 26, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 8.8 μg/m3 (37) 37.0
 
March 26, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 14.2 μg/m3 (55) 55.0
 
March 26, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 16.3 μg/m3 (59) 59.0
 
March 26, 2019, midnight N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 8.4 μg/m3 (35) 35.0
 
March 25, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 10.9 μg/m3 (45) 45.0
 
March 25, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 8.4 μg/m3 (35) 35.0
 
March 25, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 7.9 μg/m3 (33) 33.0
 
March 25, 2019, 7 p.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 25, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 10.8 μg/m3 (45) 45.0
 
March 25, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 12.4 μg/m3 (51) 51.0
 
March 25, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 11.7 μg/m3 (49) 49.0
 
March 25, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 10.4 μg/m3 (43) 43.0
 
March 25, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 10.6 μg/m3 (44) 44.0
 
March 25, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 11.9 μg/m3 (50) 50.0
 
March 25, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 8.8 μg/m3 (37) 37.0
 
March 25, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 8.1 μg/m3 (34) 34.0
 
March 25, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
March 25, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 2.9 μg/m3 (12) 16.0
 
March 25, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 3.2 μg/m3 (13) 15.0
 
March 25, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 4.4 μg/m3 (18) 18.0
 
March 25, 2019, 5 a.m. 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
 
March 25, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 2.7 μg/m3 (11) 15.0
 
March 25, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 1.2 μg/m3 (5) 17.0
 
March 25, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 1.3 μg/m3 (5) 17.0
 
March 25, 2019, midnight N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 2.2 μg/m3 (9) 17.0
 
March 24, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 4.4 μg/m3 (18) 18.0
 
March 24, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 4.1 μg/m3 (17) 20.0
 
March 24, 2019, 9 p.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 24, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 7.6 μg/m3 (32) 32.0
 
March 24, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 8.7 μg/m3 (36) 36.0
 
March 24, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 7.2 μg/m3 (30) 30.0
 
March 24, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 8.0 μg/m3 (33) 33.0
 
March 24, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 4.2 μg/m3 (18) 18.0
 
March 24, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 3.1 μg/m3 (13) 18.0
 
March 24, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 5.2 μg/m3 (22) 22.0
 
March 24, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 5.6 μg/m3 (23) 23.0
 
March 24, 2019, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 2.5 μg/m3 (10) 22.0
 
March 24, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 4.8 μg/m3 (20) 22.0
 
March 24, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 4.7 μg/m3 (20) 23.0
 
March 24, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.8 μg/m3 (45) 45.0
 
March 24, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 17.9 μg/m3 (63) 63.0
 
March 24, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 19.6 μg/m3 (66) 66.0
 
March 24, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 27.3 μg/m3 (83) 83.0
 
March 24, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 25.9 μg/m3 (80) 80.0
 
March 24, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 20.7 μg/m3 (69) 69.0
 
March 24, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 18.5 μg/m3 (64) 64.0
 
March 24, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 26.6 μg/m3 (81) 81.0
 
March 24, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 58.5 μg/m3 (152) 152.0
 
March 24, 2019, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 59.9 μg/m3 (152) 152.0
 
March 23, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 54.9 μg/m3 (148) 148.0
 
March 23, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 35.2 μg/m3 (99) 99.0
 
March 23, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 27.0 μg/m3 (82) 82.0
 
March 23, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 24.7 μg/m3 (77) 77.0
 
March 23, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 23.8 μg/m3 (75) 75.0
 
March 23, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 31.1 μg/m3 (91) 91.0
 
March 23, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 42.6 μg/m3 (118) 118.0
 
March 23, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 30.5 μg/m3 (89) 89.0
 
March 23, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 28.0 μg/m3 (84) 84.0
 
March 23, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 15.2 μg/m3 (57) 57.0
 
March 23, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 7.9 μg/m3 (33) 35.0
 
March 23, 2019, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 7.2 μg/m3 (30) 30.0
 
March 23, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 9.7 μg/m3 (40) 40.0
 
March 23, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 6.4 μg/m3 (27) 32.0
 
March 23, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
March 23, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 8.6 μg/m3 (36) 37.0
 
March 23, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 6.2 μg/m3 (26) 41.0
 
March 23, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 5.8 μg/m3 (24) 42.0
 
March 23, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A N/A 8.9 μg/m3 (37) 49.0
 
March 23, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A N/A 8.5 μg/m3 (35) 51.0
 
March 23, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A 12.6 μg/m3 (51) 52.0
 
March 23, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (54) N/A N/A 13.0 μg/m3 (52) 54.0
 
March 23, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (53) N/A N/A 7.8 μg/m3 (32) 53.0
 
March 23, 2019, midnight N/A N/A N/A N/A N/A N/A 70.0 ppb (54) N/A N/A 5.1 μg/m3 (21) 54.0
 
March 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A N/A 4.1 μg/m3 (17) 51.0
 
March 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A N/A 2.4 μg/m3 (10) 49.0
 
March 22, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A N/A 2.2 μg/m3 (9) 48.0
 
March 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A N/A 1.9 μg/m3 (8) 48.0
 
March 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 1.8 μg/m3 (8) 43.0
 
March 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 1.5 μg/m3 (6) 40.0
 
March 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 1.6 μg/m3 (7) 39.0
 
March 22, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 1.7 μg/m3 (7) 29.0
 
March 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 1.8 μg/m3 (8) 28.0
 
March 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 2.0 μg/m3 (8) 28.0
 
March 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 2.3 μg/m3 (10) 28.0
 
March 22, 2019, noon N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 2.8 μg/m3 (12) 25.0
 
March 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 3.5 μg/m3 (15) 24.0
 
March 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
March 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.5 μg/m3 (27) 27.0
 
March 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 9.6 μg/m3 (40) 40.0
 
March 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 12.1 μg/m3 (50) 50.0
 
March 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 17.6 μg/m3 (62) 62.0
 
March 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 23.5 μg/m3 (74) 74.0
 
March 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 23.2 μg/m3 (74) 74.0
 
March 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 23.6 μg/m3 (75) 75.0
 
March 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 24.2 μg/m3 (76) 76.0
 
March 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 24.8 μg/m3 (77) 77.0
 
March 22, 2019, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 30.2 μg/m3 (89) 89.0
 
March 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 26.6 μg/m3 (81) 81.0
 
March 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A N/A 23.7 μg/m3 (75) 75.0
 
March 21, 2019, 9 p.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
 
March 21, 2019, 8 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
 
March 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A 5.5 μg/m3 (23) 52.0
 
March 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A N/A 4.9 μg/m3 (20) 48.0
 
March 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 3.3 μg/m3 (14) 38.0
 
March 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 3.7 μg/m3 (15) 37.0
 
March 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 4.9 μg/m3 (20) 35.0
 
March 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 5.0 μg/m3 (21) 36.0
 
March 21, 2019, noon 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 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 5.9 μg/m3 (25) 35.0
 
March 21, 2019, 10 a.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 21, 2019, 9 a.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
 
March 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 6.7 μg/m3 (28) 38.0
 
March 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 6.4 μg/m3 (27) 38.0
 
March 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 6.3 μg/m3 (26) 41.0
 
March 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 5.2 μg/m3 (22) 40.0
 
March 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 5.0 μg/m3 (21) 44.0
 
March 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A N/A 4.0 μg/m3 (17) 49.0
 
March 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A 4.5 μg/m3 (19) 52.0
 
March 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (53) N/A N/A 3.6 μg/m3 (15) 53.0
 
March 21, 2019, midnight N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A 3.6 μg/m3 (15) 52.0
 
March 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A 3.4 μg/m3 (14) 52.0
 
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 3.4 μg/m3 (14) 51.0
 
March 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A N/A 2.7 μg/m3 (11) 49.0
 
March 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A N/A 2.0 μg/m3 (8) 48.0
 
March 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 1.9 μg/m3 (8) 47.0
 
March 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 2.5 μg/m3 (10) 40.0
 
March 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 2.2 μg/m3 (9) 36.0
 
March 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 2.3 μg/m3 (10) 36.0
 
March 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 2.4 μg/m3 (10) 35.0
 
March 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 3.2 μg/m3 (13) 35.0
 
March 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 3.2 μg/m3 (13) 33.0
 
March 20, 2019, noon N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 3.0 μg/m3 (12) 33.0
 
March 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 3.0 μg/m3 (12) 33.0
 
March 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 3.2 μg/m3 (13) 33.0
 
March 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.8 μg/m3 (12) 12.0
 
March 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 2.5 μg/m3 (10) 35.0
 
March 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 2.4 μg/m3 (10) 36.0
 
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 4.3 μg/m3 (18) 38.0
 
March 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 3.4 μg/m3 (14) 42.0
 
March 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A 2.9 μg/m3 (12) 46.0
 
March 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) N/A N/A 2.8 μg/m3 (12) 50.0
 
March 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A N/A 3.5 μg/m3 (15) 51.0
 
March 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (52) N/A N/A 2.8 μg/m3 (12) 52.0
 
March 20, 2019, midnight N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A 3.0 μg/m3 (12) 52.0
 
March 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A 2.1 μg/m3 (9) 52.0
 
March 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (52) N/A N/A 2.0 μg/m3 (8) 52.0
 
March 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A N/A 1.8 μg/m3 (8) 49.0
 
March 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 1.9 μg/m3 (8) 47.0
 
March 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 2.0 μg/m3 (8) 44.0
 
March 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 1.7 μg/m3 (7) 44.0
 
March 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 1.7 μg/m3 (7) 40.0
 
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 2.1 μg/m3 (9) 37.0
 
March 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 2.2 μg/m3 (9) 38.0
 
March 19, 2019, 2 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 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 3.0 μg/m3 (12) 38.0
 
March 19, 2019, noon N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 3.1 μg/m3 (13) 37.0
 
March 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 3.9 μg/m3 (16) 37.0
 
March 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 4.3 μg/m3 (18) 37.0
 
March 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (20) 20.0