AQSQID: 130890002

Site Name: South Dekalb

Location: Decatur (Clifton Spgs Rd), GA

Reporting: True, Located: True

Current AQI: 32.0

Decatur (Clifton Spgs Rd) GA, US: 33.6906, -84.2731

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 9, 2020, 10 p.m. 2.1 ppb (2) -0.6 ppb (0) 1.0 ppb (1) 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (32) 0.15 ppb (2) 11.0 μg/m3 (10) 4.6 μg/m3 (19) 32.0
 
April 9, 2020, 9 p.m. 2.9 ppb (3) -0.4 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (32) 0.16 ppb (2) 16.0 μg/m3 (15) 5.8 μg/m3 (24) 32.0
 
April 9, 2020, 8 p.m. 2.9 ppb (3) -0.4 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (33) 0.16 ppb (2) 15.0 μg/m3 (14) 6.6 μg/m3 (28) 33.0
 
April 9, 2020, 7 p.m. 2.2 ppb (2) -0.4 ppb (0) 1.0 ppb (1) 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (35) 0.17 ppb (2) 18.0 μg/m3 (16) 8.1 μg/m3 (34) 35.0
 
April 9, 2020, 6 p.m. 2.8 ppb (3) -0.3 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (35) 0.18 ppb (2) 20.0 μg/m3 (18) 8.7 μg/m3 (36) 36.0
 
April 9, 2020, 5 p.m. 2.3 ppb (2) -0.4 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (32) 0.18 ppb (2) 21.0 μg/m3 (19) 8.2 μg/m3 (34) 34.0
 
April 9, 2020, 4 p.m. 3.9 ppb (4) -0.1 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (31) 0.18 ppb (2) 19.0 μg/m3 (17) 7.6 μg/m3 (32) 32.0
 
April 9, 2020, 3 p.m. 4.2 ppb (4) 0.1 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (26) 0.18 ppb (2) 17.0 μg/m3 (15) 6.3 μg/m3 (26) 26.0
 
April 9, 2020, 2 p.m. 5.6 ppb (5) 0.5 ppb (0) 5.0 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (20) 0.19 ppb (2) 26.0 μg/m3 (24) 5.9 μg/m3 (25) 25.0
 
April 9, 2020, 1 p.m. 11.4 ppb (11) 1.2 ppb (1) 10.0 ppb (9) 10.0 ppb (9) N/A 0.0 ppb (0) 16.0 ppb (12) 0.23 ppb (3) 28.0 μg/m3 (25) 6.2 μg/m3 (26) 26.0
 
April 9, 2020, noon 15.4 ppb (14) 2.6 ppb (2) 15.0 ppb (14) 13.0 ppb (12) N/A 0.0 ppb (0) 11.0 ppb (8) 0.25 ppb (3) 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
April 9, 2020, 11 a.m. 7.2 ppb (7) -0.6 ppb (0) 7.0 ppb (6) 8.0 ppb (7) N/A 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) 16.0 μg/m3 (15) 5.9 μg/m3 (25) 25.0
 
April 9, 2020, 10 a.m. 4.2 ppb (4) -0.8 ppb (0) 4.0 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 23.0 ppb (18) 0.17 ppb (2) 33.0 μg/m3 (30) 6.1 μg/m3 (25) 30.0
 
April 9, 2020, 9 a.m. 1.7 ppb (2) -0.8 ppb (0) 1.0 ppb (1) 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) 0.16 ppb (2) 21.0 μg/m3 (19) 6.7 μg/m3 (28) 28.0
 
April 9, 2020, 8 a.m. 3.7 ppb (3) -0.7 ppb (0) 3.0 ppb (3) 5.0 ppb (5) N/A 0.0 ppb (0) 14.0 ppb (11) 0.18 ppb (2) 17.0 μg/m3 (15) 11.3 μg/m3 (47) 47.0
 
April 9, 2020, 7 a.m. 2.2 ppb (2) -0.8 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 16.0 ppb (12) 0.17 ppb (2) 17.0 μg/m3 (15) 11.4 μg/m3 (48) 48.0
 
April 9, 2020, 6 a.m. 2.2 ppb (2) -0.8 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 15.0 ppb (12) 0.17 ppb (2) 17.0 μg/m3 (15) 11.6 μg/m3 (48) 48.0
 
April 9, 2020, 5 a.m. 4.1 ppb (4) -0.7 ppb (0) 4.0 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 13.0 ppb (10) 0.18 ppb (2) 17.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
April 9, 2020, 4 a.m. 3.0 ppb (3) -0.7 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 11.0 ppb (8) 0.2 ppb (2) N/A N/A 8.0
 
April 9, 2020, 3 a.m. 5.5 ppb (5) -0.7 ppb (0) 5.0 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (9) 0.21 ppb (2) 19.0 μg/m3 (17) 13.5 μg/m3 (53) 53.0
 
April 9, 2020, 2 a.m. 7.0 ppb (6) -0.7 ppb (0) 6.0 ppb (6) 8.0 ppb (7) N/A 0.0 ppb (0) 12.0 ppb (9) 0.23 ppb (3) 20.0 μg/m3 (18) 13.3 μg/m3 (53) 53.0
 
April 9, 2020, 1 a.m. 6.1 ppb (6) -0.7 ppb (0) 6.0 ppb (6) 7.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (12) 0.24 ppb (3) 22.0 μg/m3 (20) 12.7 μg/m3 (51) 51.0
 
April 9, 2020, midnight 7.4 ppb (7) -0.7 ppb (0) 7.0 ppb (6) 8.0 ppb (7) N/A 0.0 ppb (0) 22.0 ppb (17) 0.23 ppb (3) 18.0 μg/m3 (16) 11.1 μg/m3 (46) 46.0
 
April 8, 2020, 11 p.m. 6.2 ppb (6) -0.6 ppb (0) 5.0 ppb (5) 7.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.22 ppb (2) 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
April 8, 2020, 10 p.m. 4.8 ppb (4) -0.3 ppb (0) 4.0 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) 0.2 ppb (2) 16.0 μg/m3 (15) 9.2 μg/m3 (38) 38.0
 
April 8, 2020, 9 p.m. 3.9 ppb (4) -0.3 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) 0.2 ppb (2) 13.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
April 8, 2020, 8 p.m. 2.5 ppb (2) -0.4 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (25) 0.19 ppb (2) 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
April 8, 2020, 7 p.m. 2.7 ppb (3) -0.2 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) 0.19 ppb (2) 13.0 μg/m3 (12) 8.7 μg/m3 (36) 36.0
 
April 8, 2020, 6 p.m. 2.4 ppb (2) -0.2 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) 0.19 ppb (2) 13.0 μg/m3 (12) 8.1 μg/m3 (34) 34.0
 
April 8, 2020, 5 p.m. 2.7 ppb (3) -0.1 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.19 ppb (2) 12.0 μg/m3 (11) 7.7 μg/m3 (32) 32.0
 
April 8, 2020, 4 p.m. 3.4 ppb (3) -0.1 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 21.0 ppb (16) 0.2 ppb (2) 14.0 μg/m3 (13) 8.5 μg/m3 (35) 35.0
 
April 8, 2020, 3 p.m. 7.1 ppb (7) 1.1 ppb (1) 6.0 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 14.0 ppb (11) 0.2 ppb (2) 18.0 μg/m3 (16) 10.9 μg/m3 (45) 45.0
 
April 8, 2020, 2 p.m. 8.5 ppb (8) 1.0 ppb (1) 8.0 ppb (7) 8.0 ppb (7) N/A 0.0 ppb (0) 11.0 ppb (8) N/A 18.0 μg/m3 (16) 11.1 μg/m3 (46) 46.0
 
April 8, 2020, 1 p.m. 9.6 ppb (9) 1.4 ppb (1) 9.0 ppb (8) 8.0 ppb (7) N/A N/A 10.0 ppb (8) N/A 18.0 μg/m3 (16) 11.2 μg/m3 (47) 47.0
 
April 8, 2020, noon 9.4 ppb (9) 0.6 ppb (1) 9.0 ppb (8) 9.0 ppb (8) N/A N/A 7.0 ppb (5) 0.21 ppb (2) 18.0 μg/m3 (16) 11.1 μg/m3 (46) 46.0
 
April 8, 2020, 11 a.m. 5.5 ppb (5) -0.6 ppb (0) 5.0 ppb (5) 6.0 ppb (6) N/A N/A 12.0 ppb (9) 0.2 ppb (2) 17.0 μg/m3 (15) 11.1 μg/m3 (46) 46.0
 
April 8, 2020, 10 a.m. 6.3 ppb (6) -0.7 ppb (0) 6.0 ppb (6) 7.0 ppb (6) N/A N/A 12.0 ppb (9) 0.2 ppb (2) 17.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
April 8, 2020, 9 a.m. 8.1 ppb (8) 0.2 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 6.0 ppb (5) 0.23 ppb (3) 17.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
April 8, 2020, 8 a.m. 16.2 ppb (15) 7.4 ppb (7) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 0.0 ppb (0) 0.27 ppb (3) 17.0 μg/m3 (15) 11.1 μg/m3 (46) 46.0
 
April 8, 2020, 7 a.m. 29.3 ppb (27) 17.0 ppb (16) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 0.0 ppb (0) 0.29 ppb (3) 17.0 μg/m3 (15) 11.3 μg/m3 (47) 47.0
 
April 8, 2020, 6 a.m. 16.3 ppb (15) 4.0 ppb (4) 19.0 ppb (18) 12.0 ppb (11) N/A 0.0 ppb (0) 0.0 ppb (0) 0.26 ppb (3) 18.0 μg/m3 (16) 11.5 μg/m3 (48) 48.0
 
April 8, 2020, 5 a.m. 12.0 ppb (11) -0.1 ppb (0) 13.0 ppb (12) 12.0 ppb (11) N/A 0.0 ppb (0) 4.0 ppb (3) 0.25 ppb (3) 18.0 μg/m3 (16) 11.4 μg/m3 (48) 48.0
 
April 8, 2020, 4 a.m. 7.5 ppb (7) -0.6 ppb (0) 7.0 ppb (6) 8.0 ppb (7) N/A 0.0 ppb (0) 11.0 ppb (8) 0.23 ppb (3) N/A N/A 8.0
 
April 8, 2020, 3 a.m. 6.5 ppb (6) -0.7 ppb (0) 6.0 ppb (6) 7.0 ppb (6) N/A 0.0 ppb (0) 14.0 ppb (11) 0.23 ppb (3) 17.0 μg/m3 (15) 10.6 μg/m3 (44) 44.0
 
April 8, 2020, 2 a.m. 8.8 ppb (8) -0.7 ppb (0) 9.0 ppb (8) 10.0 ppb (9) N/A 0.0 ppb (0) 15.0 ppb (12) 0.24 ppb (3) 17.0 μg/m3 (15) 10.6 μg/m3 (44) 44.0
 
April 8, 2020, 1 a.m. 9.0 ppb (8) -0.7 ppb (0) 9.0 ppb (8) 10.0 ppb (9) N/A 0.0 ppb (0) 14.0 ppb (11) 0.25 ppb (3) 18.0 μg/m3 (16) 10.4 μg/m3 (43) 43.0
 
April 8, 2020, midnight 9.1 ppb (8) -0.7 ppb (0) 9.0 ppb (8) 10.0 ppb (9) N/A 0.0 ppb (0) 19.0 ppb (15) 0.25 ppb (3) 17.0 μg/m3 (15) 10.4 μg/m3 (43) 43.0
 
April 7, 2020, 11 p.m. 4.8 ppb (4) -0.7 ppb (0) 5.0 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) 0.22 ppb (2) 17.0 μg/m3 (15) 11.6 μg/m3 (48) 48.0
 
April 7, 2020, 10 p.m. 2.3 ppb (2) -0.6 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (25) 0.21 ppb (2) 18.0 μg/m3 (16) 13.0 μg/m3 (52) 52.0
 
April 7, 2020, 9 p.m. 4.5 ppb (4) -0.5 ppb (0) 4.0 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 35.0 ppb (27) 0.21 ppb (2) 22.0 μg/m3 (20) 12.2 μg/m3 (50) 50.0
 
April 7, 2020, 8 p.m. 4.9 ppb (5) -0.5 ppb (0) 4.0 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 40.0 ppb (31) 0.22 ppb (2) 25.0 μg/m3 (23) 16.3 μg/m3 (59) 59.0
 
April 7, 2020, 7 p.m. 4.3 ppb (4) -0.4 ppb (0) 4.0 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 40.0 ppb (31) 0.22 ppb (2) 26.0 μg/m3 (24) 17.9 μg/m3 (63) 63.0
 
April 7, 2020, 6 p.m. 3.9 ppb (4) -0.3 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (32) 0.23 ppb (3) 26.0 μg/m3 (24) 18.0 μg/m3 (63) 63.0
 
April 7, 2020, 5 p.m. 3.1 ppb (3) -0.3 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (31) 0.21 ppb (2) 23.0 μg/m3 (21) 17.1 μg/m3 (61) 61.0
 
April 7, 2020, 4 p.m. 3.1 ppb (3) -0.2 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (32) 0.21 ppb (2) 23.0 μg/m3 (21) 16.8 μg/m3 (60) 60.0
 
April 7, 2020, 3 p.m. 4.9 ppb (5) 0.1 ppb (0) 4.0 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 35.0 ppb (27) 0.23 ppb (3) 25.0 μg/m3 (23) 17.2 μg/m3 (61) 61.0
 
April 7, 2020, 2 p.m. 12.0 ppb (11) 1.5 ppb (1) 11.0 ppb (10) 11.0 ppb (10) N/A 0.0 ppb (0) 28.0 ppb (22) 0.29 ppb (3) 35.0 μg/m3 (32) 23.3 μg/m3 (74) 74.0
 
April 7, 2020, 1 p.m. 55.0 ppb (51) 36.0 ppb (33) 50.0 ppb (46) 19.0 ppb (18) N/A 0.0 ppb (0) 10.0 ppb (8) 0.51 ppb (6) 35.0 μg/m3 (32) 23.5 μg/m3 (74) 74.0
 
April 7, 2020, noon 86.8 ppb (85) 78.0 ppb (76) 83.0 ppb (81) 9.0 ppb (8) N/A 0.0 ppb (0) N/A 0.6 ppb (7) 30.0 μg/m3 (27) 21.0 μg/m3 (69) 85.0
 
April 7, 2020, 11 a.m. 99.7 ppb (99) 85.1 ppb (83) 104.0 ppb (101) 14.0 ppb (13) N/A 0.0 ppb (0) N/A 0.61 ppb (7) 34.0 μg/m3 (31) 21.9 μg/m3 (71) 101.0
 
April 7, 2020, 10 a.m. 90.2 ppb (89) 78.4 ppb (76) 91.0 ppb (89) 12.0 ppb (11) N/A 0.0 ppb (0) N/A 0.56 ppb (6) N/A N/A 89.0
 
April 7, 2020, 9 a.m. 69.9 ppb (67) 56.4 ppb (53) 73.0 ppb (70) 13.0 ppb (12) N/A 0.0 ppb (0) N/A N/A N/A N/A 70.0
 
April 7, 2020, 8 a.m. 59.5 ppb (56) 44.7 ppb (41) 58.0 ppb (54) 15.0 ppb (14) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A N/A 56.0
 
April 7, 2020, 7 a.m. 49.3 ppb (46) 32.2 ppb (30) 49.0 ppb (45) 17.0 ppb (16) N/A 0.0 ppb (0) 0.0 ppb (0) 0.46 ppb (5) N/A N/A 46.0
 
April 7, 2020, 6 a.m. 40.0 ppb (37) 20.8 ppb (19) 39.0 ppb (36) 19.0 ppb (18) N/A 0.0 ppb (0) 0.0 ppb (0) 0.45 ppb (5) N/A N/A 37.0
 
April 7, 2020, 5 a.m. 56.1 ppb (52) 33.0 ppb (31) 60.0 ppb (56) 23.0 ppb (21) N/A 0.0 ppb (0) 0.0 ppb (0) 0.49 ppb (5) N/A N/A 56.0
 
April 7, 2020, 4 a.m. 43.9 ppb (41) 17.5 ppb (16) 44.0 ppb (41) 26.0 ppb (24) N/A 0.0 ppb (0) 0.0 ppb (0) 0.46 ppb (5) N/A N/A 41.0
 
April 7, 2020, 3 a.m. 41.1 ppb (38) 9.6 ppb (9) 39.0 ppb (36) 32.0 ppb (30) N/A 0.0 ppb (0) 0.0 ppb (0) 0.44 ppb (5) N/A N/A 38.0
 
April 7, 2020, 2 a.m. 55.7 ppb (52) 17.8 ppb (16) 59.0 ppb (55) 38.0 ppb (35) N/A N/A 0.0 ppb (0) 0.46 ppb (5) N/A N/A 55.0
 
April 7, 2020, 1 a.m. 41.9 ppb (39) 3.2 ppb (3) 47.0 ppb (44) 39.0 ppb (36) N/A N/A 4.0 ppb (3) 0.42 ppb (5) N/A N/A 44.0
 
April 7, 2020, midnight 14.6 ppb (14) -0.5 ppb (0) 16.0 ppb (15) 15.0 ppb (14) N/A N/A 30.0 ppb (23) 0.28 ppb (3) N/A N/A 23.0
 
April 6, 2020, 11 p.m. N/A N/A 14.0 ppb (13) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.27 ppb (3) N/A N/A 27.0
 
April 6, 2020, 10 p.m. N/A N/A 8.0 ppb (7) N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.23 ppb (3) N/A N/A 32.0
 
April 6, 2020, 9 p.m. N/A N/A 2.0 ppb (2) N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.21 ppb (2) N/A N/A 39.0
 
April 6, 2020, 8 p.m. N/A N/A 3.0 ppb (3) N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.21 ppb (2) N/A N/A 39.0
 
April 6, 2020, 7 p.m. N/A N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) 56.0 ppb (43) 0.19 ppb (2) N/A N/A 43.0
 
April 6, 2020, 6 p.m. 3.1 ppb (3) -0.4 ppb (0) 2.0 ppb (2) 4.0 ppb (4) N/A 0.0 ppb (0) 57.0 ppb (44) 0.2 ppb (2) N/A N/A 44.0
 
April 6, 2020, 5 p.m. 3.7 ppb (3) -0.3 ppb (0) 2.0 ppb (2) 4.0 ppb (4) N/A 0.0 ppb (0) 55.0 ppb (42) 0.34 ppb (4) N/A N/A 42.0
 
April 6, 2020, 4 p.m. 3.5 ppb (3) -0.2 ppb (0) 2.0 ppb (2) 4.0 ppb (4) N/A 0.0 ppb (0) 53.0 ppb (41) 0.24 ppb (3) N/A N/A 41.0
 
April 6, 2020, 3 p.m. 14.2 ppb (13) 3.3 ppb (3) 13.0 ppb (12) 11.0 ppb (10) N/A 0.0 ppb (0) 39.0 ppb (30) 0.29 ppb (3) 30.0 μg/m3 (27) 15.2 μg/m3 (57) 57.0
 
April 6, 2020, 2 p.m. 49.1 ppb (45) 22.0 ppb (20) 46.0 ppb (43) 27.0 ppb (25) N/A 0.0 ppb (0) 12.0 ppb (9) 0.44 ppb (5) 44.0 μg/m3 (40) 22.4 μg/m3 (72) 72.0
 
April 6, 2020, 1 p.m. 41.0 ppb (38) 21.4 ppb (20) 40.0 ppb (37) 20.0 ppb (19) N/A 0.0 ppb (0) 6.0 ppb (5) 0.47 ppb (5) 37.0 μg/m3 (34) 21.8 μg/m3 (71) 71.0
 
April 6, 2020, noon 31.9 ppb (30) 23.1 ppb (21) 29.0 ppb (27) 9.0 ppb (8) N/A 0.0 ppb (0) 0.0 ppb (0) 0.53 ppb (6) 34.0 μg/m3 (31) 25.2 μg/m3 (78) 78.0
 
April 6, 2020, 11 a.m. 38.3 ppb (35) 30.1 ppb (28) 37.0 ppb (34) 8.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) 0.49 ppb (5) 33.0 μg/m3 (30) 25.6 μg/m3 (79) 79.0
 
April 6, 2020, 10 a.m. 44.5 ppb (41) 34.8 ppb (32) 48.0 ppb (44) 10.0 ppb (9) N/A 0.0 ppb (0) 0.0 ppb (0) 0.5 ppb (6) 32.0 μg/m3 (29) 24.3 μg/m3 (76) 76.0
 
April 6, 2020, 9 a.m. 38.8 ppb (36) 26.7 ppb (25) 41.0 ppb (38) 12.0 ppb (11) N/A 0.0 ppb (0) N/A 0.48 ppb (5) 38.0 μg/m3 (35) 28.9 μg/m3 (86) 86.0
 
April 6, 2020, 8 a.m. 32.6 ppb (30) 18.9 ppb (18) 30.0 ppb (28) 14.0 ppb (13) N/A 0.0 ppb (0) N/A 0.51 ppb (6) 38.0 μg/m3 (35) 28.2 μg/m3 (84) 84.0
 
April 6, 2020, 7 a.m. 32.5 ppb (30) 15.7 ppb (15) 31.0 ppb (29) 17.0 ppb (16) N/A 0.0 ppb (0) 0.0 ppb (0) 0.51 ppb (6) 35.0 μg/m3 (32) 25.8 μg/m3 (79) 79.0
 
April 6, 2020, 6 a.m. 29.6 ppb (27) 10.7 ppb (10) 29.0 ppb (27) 19.0 ppb (18) N/A 0.0 ppb (0) 0.0 ppb (0) 0.52 ppb (6) 31.0 μg/m3 (28) 22.4 μg/m3 (72) 72.0
 
April 6, 2020, 5 a.m. 32.8 ppb (30) 8.9 ppb (8) 32.0 ppb (30) 24.0 ppb (22) N/A 0.0 ppb (0) 0.0 ppb (0) 0.53 ppb (6) 30.0 μg/m3 (27) 22.7 μg/m3 (73) 73.0
 
April 6, 2020, 4 a.m. 36.9 ppb (34) 7.8 ppb (7) 37.0 ppb (34) 29.0 ppb (27) N/A 0.0 ppb (0) 0.0 ppb (0) 0.54 ppb (6) N/A N/A 34.0
 
April 6, 2020, 3 a.m. 35.2 ppb (33) 4.1 ppb (4) 34.0 ppb (31) 31.0 ppb (29) N/A 0.0 ppb (0) 1.0 ppb (1) 0.51 ppb (6) 32.0 μg/m3 (29) 23.5 μg/m3 (74) 74.0
 
April 6, 2020, 2 a.m. 30.2 ppb (28) 2.7 ppb (3) 39.0 ppb (36) 28.0 ppb (26) N/A 0.0 ppb (0) 6.0 ppb (5) 0.45 ppb (5) 26.0 μg/m3 (24) 19.2 μg/m3 (65) 65.0
 
April 6, 2020, 1 a.m. 8.3 ppb (8) -0.7 ppb (0) 11.0 ppb (10) 9.0 ppb (8) N/A 0.0 ppb (0) 30.0 ppb (23) 0.29 ppb (3) 20.0 μg/m3 (18) 14.8 μg/m3 (56) 56.0
 
April 6, 2020, midnight 1.4 ppb (1) -0.7 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (35) 0.23 ppb (3) 18.0 μg/m3 (16) 13.1 μg/m3 (52) 52.0
 
April 5, 2020, 11 p.m. 1.1 ppb (1) -0.7 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 53.0 ppb (41) 0.21 ppb (2) 17.0 μg/m3 (15) 11.6 μg/m3 (48) 48.0
 
April 5, 2020, 10 p.m. 1.7 ppb (2) -0.7 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 56.0 ppb (43) 0.2 ppb (2) 18.0 μg/m3 (16) 10.6 μg/m3 (44) 44.0
 
April 5, 2020, 9 p.m. 2.0 ppb (2) -0.6 ppb (0) 1.0 ppb (1) 3.0 ppb (3) N/A 0.0 ppb (0) 57.0 ppb (44) 0.2 ppb (2) 16.0 μg/m3 (15) 10.0 μg/m3 (42) 44.0
 
April 5, 2020, 8 p.m. 1.7 ppb (2) -0.6 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 57.0 ppb (44) 0.19 ppb (2) 16.0 μg/m3 (15) 10.0 μg/m3 (42) 44.0
 
April 5, 2020, 7 p.m. 1.7 ppb (2) -0.6 ppb (0) 0.0 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) 56.0 ppb (43) 0.19 ppb (2) 16.0 μg/m3 (15) 9.6 μg/m3 (40) 43.0
 
April 5, 2020, 6 p.m. 1.4 ppb (1) -0.6 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 56.0 ppb (43) 0.22 ppb (2) 20.0 μg/m3 (18) 13.8 μg/m3 (54) 54.0
 
April 5, 2020, 5 p.m. 1.9 ppb (2) -0.6 ppb (0) 1.0 ppb (1) 3.0 ppb (3) N/A 0.0 ppb (0) 55.0 ppb (42) 0.24 ppb (3) 22.0 μg/m3 (20) 15.1 μg/m3 (57) 57.0
 
April 5, 2020, 4 p.m. 2.0 ppb (2) -0.5 ppb (0) 1.0 ppb (1) 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (37) 0.24 ppb (3) 21.0 μg/m3 (19) 14.4 μg/m3 (55) 55.0
 
April 5, 2020, 3 p.m. 1.8 ppb (2) -0.6 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) 0.24 ppb (3) 20.0 μg/m3 (18) 13.5 μg/m3 (53) 53.0
 
April 5, 2020, 2 p.m. 5.4 ppb (5) 0.0 ppb (0) 5.0 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) 0.3 ppb (3) 22.0 μg/m3 (20) 14.5 μg/m3 (55) 55.0
 
April 5, 2020, 1 p.m. 17.7 ppb (16) 6.1 ppb (6) 16.0 ppb (15) 12.0 ppb (11) N/A 0.0 ppb (0) 13.0 ppb (10) 0.44 ppb (5) 25.0 μg/m3 (23) 18.0 μg/m3 (63) 63.0
 
April 5, 2020, noon 38.0 ppb (35) 29.3 ppb (27) 36.0 ppb (33) 9.0 ppb (8) N/A 0.0 ppb (0) N/A 0.61 ppb (7) 28.0 μg/m3 (25) 21.7 μg/m3 (71) 71.0
 
April 5, 2020, 11 a.m. 39.0 ppb (36) 29.0 ppb (27) 38.0 ppb (35) 10.0 ppb (9) N/A 0.0 ppb (0) N/A 0.61 ppb (7) 28.0 μg/m3 (25) 21.2 μg/m3 (70) 70.0
 
April 5, 2020, 10 a.m. 33.9 ppb (31) 22.3 ppb (21) 32.0 ppb (30) 12.0 ppb (11) N/A 0.0 ppb (0) N/A 0.56 ppb (6) 26.0 μg/m3 (24) 19.9 μg/m3 (67) 67.0
 
April 5, 2020, 9 a.m. 32.7 ppb (30) 18.2 ppb (17) 31.0 ppb (29) 15.0 ppb (14) N/A 0.0 ppb (0) 0.0 ppb (0) 0.55 ppb (6) 26.0 μg/m3 (24) 19.8 μg/m3 (67) 67.0
 
April 5, 2020, 8 a.m. 30.6 ppb (28) 14.7 ppb (14) 29.0 ppb (27) 16.0 ppb (15) N/A 0.0 ppb (0) 0.0 ppb (0) 0.54 ppb (6) 24.0 μg/m3 (22) 18.5 μg/m3 (64) 64.0
 
April 5, 2020, 7 a.m. 31.3 ppb (29) 11.7 ppb (11) 30.0 ppb (28) 20.0 ppb (19) N/A 0.0 ppb (0) 0.0 ppb (0) 0.53 ppb (6) 26.0 μg/m3 (24) 19.5 μg/m3 (66) 66.0
 
April 5, 2020, 6 a.m. 31.4 ppb (29) 9.8 ppb (9) 29.0 ppb (27) 22.0 ppb (20) N/A 0.0 ppb (0) 0.0 ppb (0) 0.53 ppb (6) 24.0 μg/m3 (22) 17.9 μg/m3 (63) 63.0
 
April 5, 2020, 5 a.m. 33.5 ppb (31) 10.2 ppb (9) 33.0 ppb (31) 23.0 ppb (21) N/A 0.0 ppb (0) 0.0 ppb (0) 0.55 ppb (6) 23.0 μg/m3 (21) 16.1 μg/m3 (59) 59.0
 
April 5, 2020, 4 a.m. 46.3 ppb (43) 17.8 ppb (16) 46.0 ppb (43) 28.0 ppb (26) N/A 0.0 ppb (0) 0.0 ppb (0) 0.6 ppb (7) N/A N/A 43.0
 
April 5, 2020, 3 a.m. 43.2 ppb (40) 9.4 ppb (9) 44.0 ppb (41) 34.0 ppb (31) N/A 0.0 ppb (0) 0.0 ppb (0) 0.56 ppb (6) 20.0 μg/m3 (18) 13.5 μg/m3 (53) 53.0
 
April 5, 2020, 2 a.m. 40.2 ppb (37) 4.7 ppb (4) 42.0 ppb (39) 36.0 ppb (33) N/A 0.0 ppb (0) 3.0 ppb (2) 0.53 ppb (6) 20.0 μg/m3 (18) 13.3 μg/m3 (53) 53.0
 
April 5, 2020, 1 a.m. 11.9 ppb (11) -0.7 ppb (0) 17.0 ppb (16) 13.0 ppb (12) N/A 0.0 ppb (0) 26.0 ppb (20) 0.36 ppb (4) 19.0 μg/m3 (17) 11.6 μg/m3 (48) 48.0
 
April 5, 2020, midnight 1.9 ppb (2) -0.8 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (35) 0.25 ppb (3) 15.0 μg/m3 (14) 9.2 μg/m3 (38) 38.0
 
April 4, 2020, 11 p.m. 1.4 ppb (1) -0.7 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 53.0 ppb (41) 0.22 ppb (2) 12.0 μg/m3 (11) 7.3 μg/m3 (30) 41.0
 
April 4, 2020, 10 p.m. 1.5 ppb (1) -0.7 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 56.0 ppb (43) 0.18 ppb (2) 12.0 μg/m3 (11) 6.1 μg/m3 (25) 43.0
 
April 4, 2020, 9 p.m. 1.7 ppb (2) -0.6 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 55.0 ppb (42) 0.19 ppb (2) 13.0 μg/m3 (12) 7.0 μg/m3 (29) 42.0
 
April 4, 2020, 8 p.m. 2.0 ppb (2) -0.6 ppb (0) 1.0 ppb (1) 3.0 ppb (3) N/A 0.0 ppb (0) 56.0 ppb (43) 0.19 ppb (2) 14.0 μg/m3 (13) 6.2 μg/m3 (26) 43.0
 
April 4, 2020, 7 p.m. 1.6 ppb (1) -0.6 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 53.0 ppb (41) 0.17 ppb (2) 12.0 μg/m3 (11) 5.9 μg/m3 (25) 41.0
 
April 4, 2020, 6 p.m. 1.8 ppb (2) -0.5 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 51.0 ppb (39) 0.18 ppb (2) 12.0 μg/m3 (11) 6.3 μg/m3 (26) 39.0
 
April 4, 2020, 5 p.m. 1.8 ppb (2) -0.5 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 47.0 ppb (36) 0.18 ppb (2) 12.0 μg/m3 (11) 6.3 μg/m3 (26) 36.0
 
April 4, 2020, 4 p.m. 2.0 ppb (2) -0.5 ppb (0) 1.0 ppb (1) 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (35) 0.18 ppb (2) 14.0 μg/m3 (13) 5.8 μg/m3 (24) 35.0
 
April 4, 2020, 3 p.m. 3.9 ppb (4) -0.1 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 43.0 ppb (33) 0.2 ppb (2) 14.0 μg/m3 (13) 7.0 μg/m3 (29) 33.0
 
April 4, 2020, 2 p.m. 21.3 ppb (20) 8.7 ppb (8) 19.0 ppb (18) 13.0 ppb (12) N/A 0.0 ppb (0) 21.0 ppb (16) 0.36 ppb (4) 18.0 μg/m3 (16) 11.3 μg/m3 (47) 47.0
 
April 4, 2020, 1 p.m. 43.2 ppb (40) 29.6 ppb (27) 40.0 ppb (37) 14.0 ppb (13) N/A 0.0 ppb (0) 1.0 ppb (1) 0.51 ppb (6) 20.0 μg/m3 (18) 13.3 μg/m3 (53) 53.0
 
April 4, 2020, noon 40.8 ppb (38) 27.6 ppb (26) 45.0 ppb (42) 13.0 ppb (12) N/A 0.0 ppb (0) N/A 0.49 ppb (5) 21.0 μg/m3 (19) 13.5 μg/m3 (53) 53.0
 
April 4, 2020, 11 a.m. 27.3 ppb (25) 13.5 ppb (12) 27.0 ppb (25) 14.0 ppb (13) N/A 0.0 ppb (0) N/A 0.43 ppb (5) 20.0 μg/m3 (18) 13.3 μg/m3 (53) 53.0
 
April 4, 2020, 10 a.m. 33.2 ppb (31) 18.3 ppb (17) 32.0 ppb (30) 15.0 ppb (14) N/A 0.0 ppb (0) 0.0 ppb (0) 0.47 ppb (5) 20.0 μg/m3 (18) 13.7 μg/m3 (54) 54.0
 
April 4, 2020, 9 a.m. 31.2 ppb (29) 16.1 ppb (15) 30.0 ppb (28) 15.0 ppb (14) N/A 0.0 ppb (0) 0.0 ppb (0) 0.44 ppb (5) 20.0 μg/m3 (18) 13.2 μg/m3 (53) 53.0
 
April 4, 2020, 8 a.m. 31.2 ppb (29) 16.2 ppb (15) 29.0 ppb (27) 15.0 ppb (14) N/A 0.0 ppb (0) 0.0 ppb (0) 0.44 ppb (5) 20.0 μg/m3 (18) 12.9 μg/m3 (52) 52.0
 
April 4, 2020, 7 a.m. 33.6 ppb (31) 16.5 ppb (15) 30.0 ppb (28) 17.0 ppb (16) N/A 0.0 ppb (0) 0.0 ppb (0) 0.45 ppb (5) 20.0 μg/m3 (18) 13.2 μg/m3 (53) 53.0
 
April 4, 2020, 6 a.m. 41.4 ppb (38) 18.8 ppb (17) 38.0 ppb (35) 23.0 ppb (21) N/A 0.0 ppb (0) 0.0 ppb (0) 0.46 ppb (5) 19.0 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
April 4, 2020, 5 a.m. 36.1 ppb (33) 11.0 ppb (10) 35.0 ppb (32) 25.0 ppb (23) N/A 0.0 ppb (0) 0.0 ppb (0) 0.46 ppb (5) 20.0 μg/m3 (18) 12.7 μg/m3 (51) 51.0
 
April 4, 2020, 4 a.m. 34.6 ppb (32) 6.3 ppb (6) 33.0 ppb (31) 28.0 ppb (26) N/A 0.0 ppb (0) 0.0 ppb (0) 0.44 ppb (5) N/A N/A 32.0
 
April 4, 2020, 3 a.m. 45.3 ppb (42) 12.5 ppb (12) 42.0 ppb (39) 33.0 ppb (31) N/A 0.0 ppb (0) 1.0 ppb (1) 0.46 ppb (5) 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
April 4, 2020, 2 a.m. 53.6 ppb (50) 13.8 ppb (13) 56.0 ppb (52) 40.0 ppb (37) N/A 0.0 ppb (0) 0.0 ppb (0) 0.46 ppb (5) 13.0 μg/m3 (12) 7.1 μg/m3 (30) 52.0
 
April 4, 2020, 1 a.m. 43.4 ppb (40) 2.6 ppb (2) 46.0 ppb (43) 41.0 ppb (38) N/A 0.0 ppb (0) 4.0 ppb (3) 0.42 ppb (5) 12.0 μg/m3 (11) 5.9 μg/m3 (25) 43.0
 
April 4, 2020, midnight 18.6 ppb (17) -0.7 ppb (0) 19.0 ppb (18) 19.0 ppb (18) N/A 0.0 ppb (0) 29.0 ppb (22) 0.28 ppb (3) 11.0 μg/m3 (10) 5.1 μg/m3 (21) 22.0
 
April 3, 2020, 11 p.m. 6.4 ppb (6) -0.6 ppb (0) 6.0 ppb (6) 7.0 ppb (6) N/A 0.0 ppb (0) 49.0 ppb (38) 0.2 ppb (2) 10.0 μg/m3 (9) 4.5 μg/m3 (19) 38.0
 
April 3, 2020, 10 p.m. 3.8 ppb (4) -0.5 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 55.0 ppb (42) 0.18 ppb (2) 9.0 μg/m3 (8) 4.6 μg/m3 (19) 42.0
 
April 3, 2020, 9 p.m. 3.5 ppb (3) -0.4 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 57.0 ppb (44) 0.18 ppb (2) 10.0 μg/m3 (9) 4.5 μg/m3 (19) 44.0
 
April 3, 2020, 8 p.m. 3.9 ppb (4) -0.3 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 58.0 ppb (45) 0.18 ppb (2) 11.0 μg/m3 (10) 4.6 μg/m3 (19) 45.0
 
April 3, 2020, 7 p.m. 4.3 ppb (4) -0.2 ppb (0) 3.0 ppb (3) 5.0 ppb (5) N/A 0.0 ppb (0) 59.0 ppb (45) 0.18 ppb (2) 11.0 μg/m3 (10) 4.8 μg/m3 (20) 45.0
 
April 3, 2020, 6 p.m. 7.0 ppb (6) 0.5 ppb (0) 6.0 ppb (6) 7.0 ppb (6) N/A 0.0 ppb (0) 51.0 ppb (39) 0.2 ppb (2) 10.0 μg/m3 (9) 4.5 μg/m3 (19) 39.0
 
April 3, 2020, 5 p.m. 11.8 ppb (11) 2.0 ppb (2) 11.0 ppb (10) 10.0 ppb (9) N/A 0.0 ppb (0) 44.0 ppb (34) 0.22 ppb (2) 16.0 μg/m3 (15) 4.9 μg/m3 (20) 34.0
 
April 3, 2020, 4 p.m. 10.2 ppb (9) 1.7 ppb (2) 9.0 ppb (8) 9.0 ppb (8) N/A 0.0 ppb (0) 41.0 ppb (32) 0.21 ppb (2) 9.0 μg/m3 (8) 4.6 μg/m3 (19) 32.0
 
April 3, 2020, 3 p.m. 10.5 ppb (10) 2.0 ppb (2) 9.0 ppb (8) 9.0 ppb (8) N/A 0.0 ppb (0) 37.0 ppb (28) 0.21 ppb (2) 8.0 μg/m3 (7) 4.5 μg/m3 (19) 28.0
 
April 3, 2020, 2 p.m. 18.8 ppb (17) 5.9 ppb (5) 17.0 ppb (16) 13.0 ppb (12) N/A 0.0 ppb (0) 27.0 ppb (21) 0.26 ppb (3) 9.0 μg/m3 (8) 5.1 μg/m3 (21) 21.0
 
April 3, 2020, 1 p.m. 104.4 ppb (101) 81.2 ppb (79) 97.0 ppb (96) 23.0 ppb (21) N/A 0.0 ppb (0) 3.0 ppb (2) 0.57 ppb (6) 17.0 μg/m3 (15) 7.4 μg/m3 (31) 101.0
 
April 3, 2020, noon 99.3 ppb (98) 82.1 ppb (80) 98.0 ppb (97) 17.0 ppb (16) N/A 0.0 ppb (0) 0.0 ppb (0) 0.5 ppb (6) 14.0 μg/m3 (13) 7.2 μg/m3 (30) 98.0
 
April 3, 2020, 11 a.m. 98.4 ppb (97) 81.3 ppb (79) 95.0 ppb (94) 17.0 ppb (16) N/A 0.0 ppb (0) 0.0 ppb (0) 0.47 ppb (5) 12.0 μg/m3 (11) 7.0 μg/m3 (29) 97.0
 
April 3, 2020, 10 a.m. 92.3 ppb (91) 73.0 ppb (70) 89.0 ppb (87) 19.0 ppb (18) N/A 0.0 ppb (0) 0.0 ppb (0) 0.41 ppb (5) 13.0 μg/m3 (12) 6.9 μg/m3 (29) 91.0
 
April 3, 2020, 9 a.m. 76.2 ppb (74) 54.2 ppb (50) 73.0 ppb (70) 22.0 ppb (20) N/A 0.0 ppb (0) 0.0 ppb (0) 0.35 ppb (4) 11.0 μg/m3 (10) 6.4 μg/m3 (27) 74.0
 
April 3, 2020, 8 a.m. 52.0 ppb (48) 30.0 ppb (28) 50.0 ppb (46) 22.0 ppb (20) N/A 0.0 ppb (0) 0.0 ppb (0) 0.32 ppb (4) 11.0 μg/m3 (10) 6.3 μg/m3 (26) 48.0
 
April 3, 2020, 7 a.m. 54.0 ppb (50) 29.0 ppb (27) 57.0 ppb (53) 25.0 ppb (23) N/A 0.0 ppb (0) 0.0 ppb (0) 0.32 ppb (4) 12.0 μg/m3 (11) 6.4 μg/m3 (27) 53.0
 
April 3, 2020, 6 a.m. 17.2 ppb (16) 0.7 ppb (1) 18.0 ppb (17) 17.0 ppb (16) N/A 0.0 ppb (0) 9.0 ppb (7) 0.23 ppb (3) 10.0 μg/m3 (9) 6.1 μg/m3 (25) 25.0
 
April 3, 2020, 5 a.m. 12.4 ppb (11) -0.1 ppb (0) 11.0 ppb (10) 13.0 ppb (12) N/A 0.0 ppb (0) 15.0 ppb (12) 0.23 ppb (3) 9.0 μg/m3 (8) 6.1 μg/m3 (25) 25.0
 
April 3, 2020, 4 a.m. 27.1 ppb (25) 3.2 ppb (3) 18.0 ppb (17) 24.0 ppb (22) N/A 0.0 ppb (0) 10.0 ppb (8) 0.28 ppb (3) N/A N/A 25.0
 
April 3, 2020, 3 a.m. 47.6 ppb (44) 10.9 ppb (10) 38.0 ppb (35) 37.0 ppb (34) N/A 0.0 ppb (0) 3.0 ppb (2) 0.34 ppb (4) 13.0 μg/m3 (12) 6.9 μg/m3 (29) 44.0
 
April 3, 2020, 2 a.m. 37.0 ppb (34) 4.9 ppb (5) 45.0 ppb (42) 32.0 ppb (30) N/A 0.0 ppb (0) 4.0 ppb (3) 0.34 ppb (4) 13.0 μg/m3 (12) 7.4 μg/m3 (31) 42.0
 
April 3, 2020, 1 a.m. 23.2 ppb (21) -0.3 ppb (0) 24.0 ppb (22) 24.0 ppb (22) N/A 0.0 ppb (0) 14.0 ppb (11) 0.31 ppb (3) 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
April 3, 2020, midnight 12.1 ppb (11) -0.7 ppb (0) 13.0 ppb (12) 13.0 ppb (12) N/A 0.0 ppb (0) 36.0 ppb (28) 0.21 ppb (2) 10.0 μg/m3 (9) 5.0 μg/m3 (21) 28.0
 
April 2, 2020, 11 p.m. 5.6 ppb (5) -0.7 ppb (0) 5.0 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 44.0 ppb (34) 0.18 ppb (2) 11.0 μg/m3 (10) 5.3 μg/m3 (22) 34.0