AQSQID: 840320310031

Site Name: Reno4

Location: Reno (E Reno), NV

Reporting: True, Located: True

Current AQI: 32.0

Reno (E Reno) NV, US: 39.521918, -119.795444

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 5, 2020, 9 a.m. 3.3 ppb (3) 0.2 ppb (0) 2.4 ppb (2) 3.0 ppb (3) 2.5 ppb (2) 0.0 ppb (0) 42.0 ppb (32) 0.08 ppb (1) 1.0 μg/m3 (1) -2.0 μg/m3 (0) 32.0
 
April 5, 2020, 8 a.m. 4.5 ppb (4) 0.3 ppb (0) 3.6 ppb (3) 4.0 ppb (4) 3.6 ppb (3) 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) 1.0 μg/m3 (1) -4.0 μg/m3 (0) 26.0
 
April 5, 2020, 7 a.m. 2.9 ppb (3) 0.2 ppb (0) 2.2 ppb (2) 3.0 ppb (3) 2.3 ppb (2) 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) 1.0 μg/m3 (1) N/A 26.0
 
April 5, 2020, 6 a.m. 2.3 ppb (2) 0.2 ppb (0) 1.8 ppb (2) 2.0 ppb (2) 1.8 ppb (2) 0.0 ppb (0) 35.0 ppb (27) 0.08 ppb (1) -1.0 μg/m3 (0) -3.0 μg/m3 (0) 27.0
 
April 5, 2020, 5 a.m. 1.5 ppb (1) 0.0 ppb (0) 0.9 ppb (1) 1.0 ppb (1) 1.1 ppb (1) 0.0 ppb (0) 36.0 ppb (28) 0.08 ppb (1) 0.0 μg/m3 (0) 0.0 μg/m3 (0) 28.0
 
April 5, 2020, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) 0.6 ppb (1) 1.0 ppb (1) 0.6 ppb (1) 0.0 ppb (0) 37.0 ppb (28) 0.08 ppb (1) 2.0 μg/m3 (2) -1.0 μg/m3 (0) 28.0
 
April 5, 2020, 3 a.m. 1.3 ppb (1) 0.0 ppb (0) 0.7 ppb (1) 1.0 ppb (1) 0.8 ppb (1) 0.0 ppb (0) 36.0 ppb (28) 0.08 ppb (1) 2.0 μg/m3 (2) -3.0 μg/m3 (0) 28.0
 
April 5, 2020, 2 a.m. 1.7 ppb (2) 0.0 ppb (0) 1.1 ppb (1) 2.0 ppb (2) 1.3 ppb (1) 0.0 ppb (0) 36.0 ppb (28) 0.09 ppb (1) 0.0 μg/m3 (0) N/A 28.0
 
April 5, 2020, 1 a.m. 1.3 ppb (1) 0.2 ppb (0) 0.7 ppb (1) 1.0 ppb (1) 0.8 ppb (1) 0.0 ppb (0) 38.0 ppb (29) 0.08 ppb (1) 3.0 μg/m3 (3) -4.0 μg/m3 (0) 29.0
 
April 5, 2020, midnight 1.2 ppb (1) 0.2 ppb (0) 0.6 ppb (1) 1.0 ppb (1) 0.6 ppb (1) 0.0 ppb (0) 41.0 ppb (32) 0.08 ppb (1) 6.0 μg/m3 (5) -1.0 μg/m3 (0) 32.0
 
April 4, 2020, 11 p.m. 1.2 ppb (1) 0.2 ppb (0) 0.6 ppb (1) 1.0 ppb (1) 0.6 ppb (1) 0.0 ppb (0) 43.0 ppb (33) 0.08 ppb (1) 5.0 μg/m3 (5) -2.0 μg/m3 (0) 33.0
 
April 4, 2020, 10 p.m. 1.9 ppb (2) 0.5 ppb (0) 1.2 ppb (1) 1.0 ppb (1) 1.0 ppb (1) 0.0 ppb (0) 44.0 ppb (34) 0.09 ppb (1) 5.0 μg/m3 (5) -1.0 μg/m3 (0) 34.0
 
April 4, 2020, 9 p.m. 1.9 ppb (2) 0.4 ppb (0) 1.3 ppb (1) 1.0 ppb (1) 1.2 ppb (1) 0.0 ppb (0) 44.0 ppb (34) 0.09 ppb (1) 10.0 μg/m3 (9) 1.0 μg/m3 (4) 34.0
 
April 4, 2020, 8 p.m. 1.4 ppb (1) 0.2 ppb (0) 1.0 ppb (1) 1.0 ppb (1) 1.0 ppb (1) 0.0 ppb (0) 46.0 ppb (35) 0.08 ppb (1) 14.0 μg/m3 (13) -1.0 μg/m3 (0) 35.0
 
April 4, 2020, 7 p.m. 2.9 ppb (3) 0.7 ppb (1) 2.2 ppb (2) 2.0 ppb (2) 1.8 ppb (2) 0.0 ppb (0) 46.0 ppb (35) 0.09 ppb (1) 1.0 μg/m3 (1) -1.0 μg/m3 (0) 35.0
 
April 4, 2020, 6 p.m. 7.9 ppb (7) 2.8 ppb (3) 6.3 ppb (6) 5.0 ppb (5) 4.4 ppb (4) 0.0 ppb (0) 42.0 ppb (32) 0.14 ppb (2) 0.0 μg/m3 (0) 1.0 μg/m3 (4) 32.0
 
April 4, 2020, 5 p.m. 24.8 ppb (23) 9.1 ppb (8) 23.6 ppb (22) 16.0 ppb (15) 15.4 ppb (14) 0.0 ppb (0) 28.0 ppb (22) 0.28 ppb (3) 15.0 μg/m3 (14) 3.0 μg/m3 (12) 23.0
 
April 4, 2020, 4 p.m. 30.7 ppb (28) 10.2 ppb (9) 29.5 ppb (27) 20.0 ppb (19) 20.2 ppb (19) 0.0 ppb (0) 22.0 ppb (17) 0.33 ppb (4) 18.0 μg/m3 (16) 5.0 μg/m3 (21) 28.0
 
April 4, 2020, 3 p.m. 49.1 ppb (45) 18.9 ppb (18) 47.8 ppb (44) 30.0 ppb (28) 30.3 ppb (28) 1.0 ppb (1) 9.0 ppb (7) 0.42 ppb (5) 27.0 μg/m3 (25) 4.0 μg/m3 (17) 45.0
 
April 4, 2020, 2 p.m. 44.0 ppb (41) 13.5 ppb (12) 42.6 ppb (39) 30.0 ppb (28) 30.7 ppb (28) 0.0 ppb (0) 6.0 ppb (5) 0.35 ppb (4) 18.0 μg/m3 (16) 1.0 μg/m3 (4) 41.0
 
April 4, 2020, 1 p.m. 24.9 ppb (23) 2.0 ppb (2) 24.0 ppb (22) 23.0 ppb (21) 22.7 ppb (21) 0.0 ppb (0) 12.0 ppb (9) 0.21 ppb (2) 5.0 μg/m3 (5) 0.0 μg/m3 (0) 23.0
 
April 4, 2020, noon 27.7 ppb (26) 2.3 ppb (2) 24.0 ppb (22) 25.0 ppb (23) 23.1 ppb (21) 0.0 ppb (0) 11.0 ppb (8) 0.25 ppb (3) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 26.0
 
April 4, 2020, 11 a.m. 30.2 ppb (28) 2.6 ppb (2) 27.4 ppb (25) 27.0 ppb (25) 26.3 ppb (24) 0.0 ppb (0) 7.0 ppb (5) 0.34 ppb (4) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 28.0
 
April 4, 2020, 10 a.m. 20.1 ppb (19) 1.9 ppb (2) 17.2 ppb (16) 18.0 ppb (17) 16.4 ppb (15) 0.0 ppb (0) 19.0 ppb (15) 0.23 ppb (3) 5.0 μg/m3 (5) 3.0 μg/m3 (12) 19.0
 
April 4, 2020, 9 a.m. 7.8 ppb (7) 0.3 ppb (0) 6.1 ppb (6) 7.0 ppb (6) 6.3 ppb (6) 0.0 ppb (0) 33.0 ppb (25) 0.13 ppb (1) 0.0 μg/m3 (0) 0.0 μg/m3 (0) 25.0
 
April 4, 2020, 8 a.m. 2.8 ppb (3) 0.0 ppb (0) 2.2 ppb (2) 3.0 ppb (3) 2.4 ppb (2) 0.0 ppb (0) 44.0 ppb (34) 0.1 ppb (1) 0.0 μg/m3 (0) -4.0 μg/m3 (0) 34.0
 
April 4, 2020, 7 a.m. 2.3 ppb (2) 0.0 ppb (0) 1.8 ppb (2) 2.0 ppb (2) 1.9 ppb (2) 0.0 ppb (0) 46.0 ppb (35) 0.1 ppb (1) 3.0 μg/m3 (3) 0.0 μg/m3 (0) 35.0
 
April 4, 2020, 6 a.m. 2.8 ppb (3) 0.1 ppb (0) 2.2 ppb (2) 3.0 ppb (3) 2.4 ppb (2) 0.0 ppb (0) 45.0 ppb (35) 0.1 ppb (1) 5.0 μg/m3 (5) 1.0 μg/m3 (4) 35.0
 
April 4, 2020, 5 a.m. 2.8 ppb (3) 0.1 ppb (0) 2.2 ppb (2) 3.0 ppb (3) 2.4 ppb (2) 0.0 ppb (0) 46.0 ppb (35) 0.1 ppb (1) 3.0 μg/m3 (3) 0.0 μg/m3 (0) 35.0
 
April 4, 2020, 4 a.m. 2.3 ppb (2) 0.0 ppb (0) 1.8 ppb (2) 2.0 ppb (2) 1.9 ppb (2) 0.0 ppb (0) 47.0 ppb (36) 0.1 ppb (1) 3.0 μg/m3 (3) -1.0 μg/m3 (0) 36.0
 
April 4, 2020, 3 a.m. 3.1 ppb (3) 0.1 ppb (0) 2.5 ppb (2) 3.0 ppb (3) 2.5 ppb (2) 0.0 ppb (0) 47.0 ppb (36) 0.11 ppb (1) 1.0 μg/m3 (1) -1.0 μg/m3 (0) 36.0
 
April 4, 2020, 2 a.m. 2.2 ppb (2) 0.1 ppb (0) 1.5 ppb (1) 2.0 ppb (2) 1.6 ppb (1) 0.0 ppb (0) 47.0 ppb (36) 0.1 ppb (1) 3.0 μg/m3 (3) -2.0 μg/m3 (0) 36.0
 
April 4, 2020, 1 a.m. 1.7 ppb (2) 0.1 ppb (0) 1.1 ppb (1) 2.0 ppb (2) 1.2 ppb (1) 0.0 ppb (0) 49.0 ppb (38) 0.09 ppb (1) 5.0 μg/m3 (5) -1.0 μg/m3 (0) 38.0
 
April 4, 2020, midnight 1.8 ppb (2) 0.3 ppb (0) 1.2 ppb (1) 1.0 ppb (1) 1.1 ppb (1) 0.0 ppb (0) 50.0 ppb (38) 0.1 ppb (1) 5.0 μg/m3 (5) -1.0 μg/m3 (0) 38.0
 
April 3, 2020, 11 p.m. 1.9 ppb (2) 0.4 ppb (0) 1.4 ppb (1) 1.0 ppb (1) 1.2 ppb (1) 0.0 ppb (0) 51.0 ppb (39) 0.1 ppb (1) 0.0 μg/m3 (0) -4.0 μg/m3 (0) 39.0
 
April 3, 2020, 10 p.m. 1.8 ppb (2) 0.4 ppb (0) 1.3 ppb (1) 1.0 ppb (1) 1.0 ppb (1) 0.0 ppb (0) 50.0 ppb (38) 0.1 ppb (1) 1.0 μg/m3 (1) -4.0 μg/m3 (0) 38.0
 
April 3, 2020, 9 p.m. 1.9 ppb (2) 0.5 ppb (0) 1.3 ppb (1) 1.0 ppb (1) 1.2 ppb (1) 0.0 ppb (0) 52.0 ppb (40) 0.1 ppb (1) 3.0 μg/m3 (3) -1.0 μg/m3 (0) 40.0
 
April 3, 2020, 8 p.m. 3.6 ppb (3) 1.1 ppb (1) 3.1 ppb (3) 2.0 ppb (2) 2.4 ppb (2) 0.0 ppb (0) 51.0 ppb (39) 0.12 ppb (1) 4.0 μg/m3 (4) 0.0 μg/m3 (0) 39.0
 
April 3, 2020, 7 p.m. 3.8 ppb (4) 1.1 ppb (1) 3.2 ppb (3) 3.0 ppb (3) 2.4 ppb (2) 0.0 ppb (0) 50.0 ppb (38) 0.12 ppb (1) 5.0 μg/m3 (5) -1.0 μg/m3 (0) 38.0
 
April 3, 2020, 6 p.m. 5.5 ppb (5) 1.8 ppb (2) 4.8 ppb (4) 4.0 ppb (4) 3.4 ppb (3) 0.0 ppb (0) 47.0 ppb (36) 0.12 ppb (1) 8.0 μg/m3 (7) -2.0 μg/m3 (0) 36.0
 
April 3, 2020, 5 p.m. 17.1 ppb (16) 6.9 ppb (6) 15.8 ppb (15) 10.0 ppb (9) 9.7 ppb (9) 0.0 ppb (0) 38.0 ppb (29) 0.17 ppb (2) 12.0 μg/m3 (11) 0.0 μg/m3 (0) 29.0
 
April 3, 2020, 4 p.m. 37.0 ppb (34) 16.9 ppb (16) 35.9 ppb (33) 20.0 ppb (19) 20.3 ppb (19) 0.0 ppb (0) 26.0 ppb (20) 0.29 ppb (3) 25.0 μg/m3 (23) 4.0 μg/m3 (17) 34.0
 
April 3, 2020, 3 p.m. 78.2 ppb (76) 46.1 ppb (43) 76.4 ppb (74) 32.0 ppb (30) 32.2 ppb (30) 1.0 ppb (1) 12.0 ppb (9) 0.57 ppb (6) 46.0 μg/m3 (42) 7.0 μg/m3 (29) 76.0
 
April 3, 2020, 2 p.m. 91.3 ppb (90) 55.7 ppb (52) 89.9 ppb (88) 35.0 ppb (32) 37.3 ppb (35) 1.0 ppb (1) 5.0 ppb (4) 0.72 ppb (8) 40.0 μg/m3 (36) 6.0 μg/m3 (25) 90.0
 
April 3, 2020, 1 p.m. 87.1 ppb (85) 48.5 ppb (45) 81.8 ppb (80) 39.0 ppb (36) 39.9 ppb (37) 1.0 ppb (1) 1.0 ppb (1) 0.7 ppb (8) 28.0 μg/m3 (25) 1.0 μg/m3 (4) 85.0
 
April 3, 2020, noon 59.1 ppb (55) 22.2 ppb (21) 57.9 ppb (54) 37.0 ppb (34) 37.8 ppb (35) 0.0 ppb (0) 1.0 ppb (1) 0.42 ppb (5) 12.0 μg/m3 (11) 1.0 μg/m3 (4) 55.0
 
April 3, 2020, 11 a.m. 41.9 ppb (39) 7.5 ppb (7) 37.4 ppb (35) 34.0 ppb (31) 33.5 ppb (31) 0.0 ppb (0) 2.0 ppb (2) 0.31 ppb (3) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 39.0
 
April 3, 2020, 10 a.m. 31.5 ppb (29) 3.7 ppb (3) 28.5 ppb (26) 28.0 ppb (26) 27.1 ppb (25) 0.0 ppb (0) 8.0 ppb (6) 0.25 ppb (3) 9.0 μg/m3 (8) 2.0 μg/m3 (8) 29.0
 
April 3, 2020, 9 a.m. 18.5 ppb (17) 1.0 ppb (1) 16.7 ppb (15) 17.0 ppb (16) 16.5 ppb (15) 0.0 ppb (0) 16.0 ppb (12) 0.22 ppb (2) 7.0 μg/m3 (6) 2.0 μg/m3 (8) 17.0
 
April 3, 2020, 8 a.m. 8.3 ppb (8) 0.3 ppb (0) 5.8 ppb (5) 8.0 ppb (7) 5.9 ppb (5) 0.0 ppb (0) 39.0 ppb (30) 0.14 ppb (2) 3.0 μg/m3 (3) 3.0 μg/m3 (12) 30.0
 
April 3, 2020, 7 a.m. 8.4 ppb (8) 0.3 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (29) 0.16 ppb (2) 4.0 μg/m3 (4) 3.0 μg/m3 (12) 29.0
 
April 3, 2020, 6 a.m. 5.3 ppb (5) 0.1 ppb (0) 4.4 ppb (4) 5.0 ppb (5) 4.6 ppb (4) 0.0 ppb (0) 42.0 ppb (32) 0.12 ppb (1) 2.0 μg/m3 (2) 3.0 μg/m3 (12) 32.0
 
April 3, 2020, 5 a.m. 4.9 ppb (5) 0.2 ppb (0) 3.9 ppb (4) 5.0 ppb (5) 4.0 ppb (4) 0.0 ppb (0) 44.0 ppb (34) 0.13 ppb (1) 5.0 μg/m3 (5) -2.0 μg/m3 (0) 34.0
 
April 3, 2020, 4 a.m. 8.1 ppb (8) 0.6 ppb (1) 7.2 ppb (7) 7.0 ppb (6) 7.0 ppb (6) 0.0 ppb (0) 39.0 ppb (30) 0.14 ppb (2) 8.0 μg/m3 (7) 1.0 μg/m3 (4) 30.0
 
April 3, 2020, 3 a.m. 8.9 ppb (8) 0.7 ppb (1) 7.9 ppb (7) 8.0 ppb (7) 7.7 ppb (7) 0.0 ppb (0) 39.0 ppb (30) 0.16 ppb (2) 9.0 μg/m3 (8) 0.0 μg/m3 (0) 30.0
 
April 3, 2020, 2 a.m. 5.8 ppb (5) 0.4 ppb (0) 5.0 ppb (5) 5.0 ppb (5) 4.8 ppb (4) 0.0 ppb (0) 44.0 ppb (34) 0.14 ppb (2) 8.0 μg/m3 (7) -2.0 μg/m3 (0) 34.0
 
April 3, 2020, 1 a.m. 4.5 ppb (4) 0.5 ppb (0) 3.6 ppb (3) 4.0 ppb (4) 3.4 ppb (3) 0.0 ppb (0) 50.0 ppb (38) 0.13 ppb (1) 3.0 μg/m3 (3) 0.0 μg/m3 (0) 38.0
 
April 3, 2020, midnight 4.4 ppb (4) 0.9 ppb (1) 3.5 ppb (3) 3.0 ppb (3) 2.9 ppb (3) 0.0 ppb (0) 52.0 ppb (40) 0.12 ppb (1) 5.0 μg/m3 (5) -2.0 μg/m3 (0) 40.0
 
April 2, 2020, 11 p.m. 4.0 ppb (4) 1.0 ppb (1) 3.3 ppb (3) 3.0 ppb (3) 2.6 ppb (2) 0.0 ppb (0) 52.0 ppb (40) 0.12 ppb (1) 6.0 μg/m3 (5) -4.0 μg/m3 (0) 40.0
 
April 2, 2020, 10 p.m. 4.1 ppb (4) 1.1 ppb (1) 3.3 ppb (3) 3.0 ppb (3) 2.5 ppb (2) 0.0 ppb (0) 51.0 ppb (39) 0.12 ppb (1) 3.0 μg/m3 (3) -4.0 μg/m3 (0) 39.0
 
April 2, 2020, 9 p.m. 3.5 ppb (3) 1.1 ppb (1) 2.8 ppb (3) 2.0 ppb (2) 2.1 ppb (2) 0.0 ppb (0) 49.0 ppb (38) 0.11 ppb (1) 3.0 μg/m3 (3) -2.0 μg/m3 (0) 38.0
 
April 2, 2020, 8 p.m. 2.9 ppb (3) 0.9 ppb (1) 2.6 ppb (2) 2.0 ppb (2) 2.0 ppb (2) 0.0 ppb (0) 47.0 ppb (36) 0.1 ppb (1) 4.0 μg/m3 (4) -1.0 μg/m3 (0) 36.0
 
April 2, 2020, 7 p.m. 4.5 ppb (4) 1.6 ppb (1) 3.9 ppb (4) 3.0 ppb (3) 2.6 ppb (2) 0.0 ppb (0) 44.0 ppb (34) 0.11 ppb (1) 7.0 μg/m3 (6) -2.0 μg/m3 (0) 34.0
 
April 2, 2020, 6 p.m. 5.2 ppb (5) 2.0 ppb (2) 4.7 ppb (4) 3.0 ppb (3) 3.1 ppb (3) 0.0 ppb (0) 43.0 ppb (33) 0.1 ppb (1) 8.0 μg/m3 (7) -2.0 μg/m3 (0) 33.0
 
April 2, 2020, 5 p.m. 9.1 ppb (8) 3.7 ppb (3) 8.5 ppb (8) 5.0 ppb (5) 5.3 ppb (5) 0.0 ppb (0) 39.0 ppb (30) 0.12 ppb (1) 4.0 μg/m3 (4) -3.0 μg/m3 (0) 30.0
 
April 2, 2020, 4 p.m. 17.5 ppb (16) 7.3 ppb (7) 16.8 ppb (16) 10.0 ppb (9) 10.0 ppb (9) 0.0 ppb (0) 32.0 ppb (25) 0.2 ppb (2) 5.0 μg/m3 (5) -2.0 μg/m3 (0) 25.0
 
April 2, 2020, 3 p.m. 27.8 ppb (26) 11.8 ppb (11) 28.1 ppb (26) 16.0 ppb (15) 16.5 ppb (15) 0.0 ppb (0) 24.0 ppb (18) 0.26 ppb (3) 16.0 μg/m3 (15) -2.0 μg/m3 (0) 26.0
 
April 2, 2020, 2 p.m. 37.6 ppb (35) 12.5 ppb (12) 35.4 ppb (33) 25.0 ppb (23) 24.7 ppb (23) 0.0 ppb (0) 13.0 ppb (10) 0.34 ppb (4) 10.0 μg/m3 (9) -1.0 μg/m3 (0) 35.0
 
April 2, 2020, 1 p.m. 35.6 ppb (33) 6.2 ppb (6) 33.0 ppb (31) 29.0 ppb (27) 28.6 ppb (26) 0.0 ppb (0) 7.0 ppb (5) 0.39 ppb (4) 4.0 μg/m3 (4) 0.0 μg/m3 (0) 33.0
 
April 2, 2020, noon 27.3 ppb (25) 4.0 ppb (4) 25.7 ppb (24) 23.0 ppb (21) 22.4 ppb (21) 0.0 ppb (0) 13.0 ppb (10) 0.26 ppb (3) 2.0 μg/m3 (2) 0.0 μg/m3 (0) 25.0
 
April 2, 2020, 11 a.m. 17.2 ppb (16) 1.0 ppb (1) 16.3 ppb (15) 16.0 ppb (15) 16.1 ppb (15) 0.0 ppb (0) 21.0 ppb (16) 0.18 ppb (2) 2.0 μg/m3 (2) -1.0 μg/m3 (0) 16.0
 
April 2, 2020, 10 a.m. 6.5 ppb (6) 0.5 ppb (0) 5.2 ppb (5) 6.0 ppb (6) 5.2 ppb (5) 0.0 ppb (0) 35.0 ppb (27) 0.14 ppb (2) 2.0 μg/m3 (2) 1.0 μg/m3 (4) 27.0
 
April 2, 2020, 9 a.m. 4.6 ppb (4) 0.4 ppb (0) 4.0 ppb (4) 4.0 ppb (4) 3.9 ppb (4) 0.0 ppb (0) 38.0 ppb (29) 0.12 ppb (1) 4.0 μg/m3 (4) 5.0 μg/m3 (21) 29.0
 
April 2, 2020, 8 a.m. 6.3 ppb (6) 1.2 ppb (1) 5.9 ppb (5) 5.0 ppb (5) 5.6 ppb (5) 0.0 ppb (0) 40.0 ppb (31) 0.16 ppb (2) 8.0 μg/m3 (7) 7.0 μg/m3 (29) 31.0
 
April 2, 2020, 7 a.m. 6.2 ppb (6) 0.4 ppb (0) 5.5 ppb (5) 6.0 ppb (6) 5.5 ppb (5) 0.0 ppb (0) 39.0 ppb (30) 0.13 ppb (1) 4.0 μg/m3 (4) 2.0 μg/m3 (8) 30.0
 
April 2, 2020, 6 a.m. 6.5 ppb (6) 0.5 ppb (0) 6.2 ppb (6) 6.0 ppb (6) 5.9 ppb (5) 0.0 ppb (0) 38.0 ppb (29) 0.19 ppb (2) 5.0 μg/m3 (5) 1.0 μg/m3 (4) 29.0
 
April 2, 2020, 5 a.m. 8.0 ppb (7) 1.6 ppb (1) 8.3 ppb (8) 6.0 ppb (6) 7.4 ppb (7) 0.0 ppb (0) 39.0 ppb (30) 0.18 ppb (2) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 30.0
 
April 2, 2020, 4 a.m. 5.2 ppb (5) 0.9 ppb (1) 4.8 ppb (4) 4.0 ppb (4) 4.5 ppb (4) 0.0 ppb (0) 43.0 ppb (33) 0.15 ppb (2) 6.0 μg/m3 (5) 5.0 μg/m3 (21) 33.0
 
April 2, 2020, 3 a.m. 2.9 ppb (3) 0.1 ppb (0) 2.7 ppb (3) 3.0 ppb (3) 2.8 ppb (3) 0.0 ppb (0) 49.0 ppb (38) 0.11 ppb (1) 7.0 μg/m3 (6) 4.0 μg/m3 (17) 38.0
 
April 2, 2020, 2 a.m. 2.5 ppb (2) 0.2 ppb (0) 2.3 ppb (2) 2.0 ppb (2) 2.3 ppb (2) 0.0 ppb (0) 52.0 ppb (40) 0.1 ppb (1) 5.0 μg/m3 (5) 2.0 μg/m3 (8) 40.0
 
April 2, 2020, 1 a.m. 1.8 ppb (2) 0.2 ppb (0) 1.7 ppb (2) 1.0 ppb (1) 1.6 ppb (1) 0.0 ppb (0) 55.0 ppb (42) 0.09 ppb (1) 4.0 μg/m3 (4) 0.0 μg/m3 (0) 42.0
 
April 2, 2020, midnight 1.8 ppb (2) 0.3 ppb (0) 1.7 ppb (2) 1.0 ppb (1) 1.4 ppb (1) 0.0 ppb (0) 54.0 ppb (42) 0.1 ppb (1) 7.0 μg/m3 (6) -2.0 μg/m3 (0) 42.0
 
April 1, 2020, 11 p.m. 2.0 ppb (2) 0.5 ppb (0) 2.0 ppb (2) 2.0 ppb (2) 1.7 ppb (2) 0.0 ppb (0) 54.0 ppb (42) 0.1 ppb (1) 10.0 μg/m3 (9) -1.0 μg/m3 (0) 42.0
 
April 1, 2020, 10 p.m. 2.1 ppb (2) 0.5 ppb (0) 2.0 ppb (2) 2.0 ppb (2) 1.7 ppb (2) 0.0 ppb (0) 54.0 ppb (42) 0.1 ppb (1) 3.0 μg/m3 (3) 0.0 μg/m3 (0) 42.0
 
April 1, 2020, 9 p.m. 1.7 ppb (2) 0.4 ppb (0) 1.6 ppb (1) 1.0 ppb (1) 1.4 ppb (1) 0.0 ppb (0) 55.0 ppb (42) 0.11 ppb (1) 0.0 μg/m3 (0) -2.0 μg/m3 (0) 42.0
 
April 1, 2020, 8 p.m. 1.6 ppb (1) 0.4 ppb (0) 1.6 ppb (1) 1.0 ppb (1) 1.3 ppb (1) 0.0 ppb (0) 55.0 ppb (42) 0.11 ppb (1) 3.0 μg/m3 (3) -3.0 μg/m3 (0) 42.0
 
April 1, 2020, 7 p.m. 1.7 ppb (2) 0.4 ppb (0) 1.8 ppb (2) 1.0 ppb (1) 1.6 ppb (1) 0.0 ppb (0) 57.0 ppb (44) 0.12 ppb (1) 6.0 μg/m3 (5) -4.0 μg/m3 (0) 44.0
 
April 1, 2020, 6 p.m. 2.5 ppb (2) 0.7 ppb (1) 2.4 ppb (2) 2.0 ppb (2) 2.0 ppb (2) 0.0 ppb (0) 57.0 ppb (44) 0.12 ppb (1) 8.0 μg/m3 (7) -2.0 μg/m3 (0) 44.0
 
April 1, 2020, 5 p.m. 2.6 ppb (2) 0.7 ppb (1) 2.6 ppb (2) 2.0 ppb (2) 2.1 ppb (2) 0.0 ppb (0) 52.0 ppb (40) 0.11 ppb (1) 4.0 μg/m3 (4) 2.0 μg/m3 (8) 40.0
 
April 1, 2020, 4 p.m. 2.7 ppb (3) 0.7 ppb (1) 2.6 ppb (2) 2.0 ppb (2) 2.2 ppb (2) 0.0 ppb (0) 50.0 ppb (38) 0.1 ppb (1) 2.0 μg/m3 (2) 1.0 μg/m3 (4) 38.0
 
April 1, 2020, 3 p.m. 5.3 ppb (5) 1.2 ppb (1) 4.8 ppb (4) 4.0 ppb (4) 3.9 ppb (4) 0.0 ppb (0) 47.0 ppb (36) 0.12 ppb (1) 4.0 μg/m3 (4) -1.0 μg/m3 (0) 36.0
 
April 1, 2020, 2 p.m. 6.7 ppb (6) 1.0 ppb (1) 6.1 ppb (6) 6.0 ppb (6) 5.4 ppb (5) 0.0 ppb (0) 43.0 ppb (33) 0.13 ppb (1) 6.0 μg/m3 (5) 0.0 μg/m3 (0) 33.0
 
April 1, 2020, 1 p.m. 6.7 ppb (6) 0.4 ppb (0) 5.2 ppb (5) 6.0 ppb (6) 5.0 ppb (5) 0.0 ppb (0) 41.0 ppb (32) 0.14 ppb (2) 8.0 μg/m3 (7) 1.0 μg/m3 (4) 32.0
 
April 1, 2020, noon 4.0 ppb (4) 0.6 ppb (1) 3.3 ppb (3) 3.0 ppb (3) 3.0 ppb (3) 0.0 ppb (0) 44.0 ppb (34) 0.1 ppb (1) 4.0 μg/m3 (4) 1.0 μg/m3 (4) 34.0
 
April 1, 2020, 11 a.m. 3.1 ppb (3) 0.2 ppb (0) 2.7 ppb (3) 3.0 ppb (3) 2.6 ppb (2) 0.0 ppb (0) 45.0 ppb (35) 0.1 ppb (1) 2.0 μg/m3 (2) -3.0 μg/m3 (0) 35.0
 
April 1, 2020, 10 a.m. 3.5 ppb (3) 0.1 ppb (0) 3.0 ppb (3) 3.0 ppb (3) 3.1 ppb (3) 0.0 ppb (0) 46.0 ppb (35) 0.1 ppb (1) 1.0 μg/m3 (1) -3.0 μg/m3 (0) 35.0
 
April 1, 2020, 9 a.m. 5.6 ppb (5) 0.1 ppb (0) 4.7 ppb (4) 6.0 ppb (6) 4.7 ppb (4) 0.0 ppb (0) 42.0 ppb (32) 0.1 ppb (1) 0.0 μg/m3 (0) 0.0 μg/m3 (0) 32.0
 
April 1, 2020, 8 a.m. 6.9 ppb (6) 0.1 ppb (0) 5.4 ppb (5) 7.0 ppb (6) 5.4 ppb (5) 0.0 ppb (0) 39.0 ppb (30) 0.11 ppb (1) 0.0 μg/m3 (0) 2.0 μg/m3 (8) 30.0
 
April 1, 2020, 7 a.m. 2.9 ppb (3) 0.0 ppb (0) 2.2 ppb (2) 3.0 ppb (3) 2.4 ppb (2) 0.0 ppb (0) 43.0 ppb (33) 0.09 ppb (1) 2.0 μg/m3 (2) -1.0 μg/m3 (0) 33.0
 
April 1, 2020, 6 a.m. 1.8 ppb (2) 0.0 ppb (0) 1.3 ppb (1) 2.0 ppb (2) 1.5 ppb (1) 0.0 ppb (0) 46.0 ppb (35) 0.08 ppb (1) 3.0 μg/m3 (3) -1.0 μg/m3 (0) 35.0
 
April 1, 2020, 5 a.m. 1.2 ppb (1) 0.0 ppb (0) 1.1 ppb (1) 1.0 ppb (1) 1.2 ppb (1) 0.0 ppb (0) 47.0 ppb (36) 0.08 ppb (1) 0.0 μg/m3 (0) -1.0 μg/m3 (0) 36.0
 
April 1, 2020, 4 a.m. 1.8 ppb (2) 0.1 ppb (0) 1.7 ppb (2) 2.0 ppb (2) 1.7 ppb (2) 0.0 ppb (0) 46.0 ppb (35) 0.09 ppb (1) 1.0 μg/m3 (1) -1.0 μg/m3 (0) 35.0
 
April 1, 2020, 3 a.m. 1.6 ppb (1) 0.1 ppb (0) 1.5 ppb (1) 1.0 ppb (1) 1.5 ppb (1) 0.0 ppb (0) 46.0 ppb (35) 0.08 ppb (1) 2.0 μg/m3 (2) -1.0 μg/m3 (0) 35.0
 
April 1, 2020, 2 a.m. 1.7 ppb (2) 0.1 ppb (0) 1.5 ppb (1) 2.0 ppb (2) 1.5 ppb (1) 0.0 ppb (0) 46.0 ppb (35) 0.1 ppb (1) 2.0 μg/m3 (2) -3.0 μg/m3 (0) 35.0
 
April 1, 2020, 1 a.m. 1.2 ppb (1) 0.1 ppb (0) 1.1 ppb (1) 1.0 ppb (1) 1.2 ppb (1) 0.0 ppb (0) 47.0 ppb (36) 0.09 ppb (1) 0.0 μg/m3 (0) -4.0 μg/m3 (0) 36.0
 
April 1, 2020, midnight 1.3 ppb (1) 0.3 ppb (0) 1.2 ppb (1) 1.0 ppb (1) 1.0 ppb (1) 0.0 ppb (0) 47.0 ppb (36) 0.09 ppb (1) 1.0 μg/m3 (1) -1.0 μg/m3 (0) 36.0
 
March 31, 2020, 11 p.m. 1.4 ppb (1) 0.3 ppb (0) 1.3 ppb (1) 1.0 ppb (1) 1.1 ppb (1) 0.0 ppb (0) 48.0 ppb (37) 0.09 ppb (1) 4.0 μg/m3 (4) -1.0 μg/m3 (0) 37.0
 
March 31, 2020, 10 p.m. 1.5 ppb (1) 0.4 ppb (0) 1.3 ppb (1) 1.0 ppb (1) 1.0 ppb (1) 0.0 ppb (0) 48.0 ppb (37) 0.09 ppb (1) 3.0 μg/m3 (3) -3.0 μg/m3 (0) 37.0
 
March 31, 2020, 9 p.m. 1.2 ppb (1) 0.3 ppb (0) 1.2 ppb (1) 1.0 ppb (1) 1.0 ppb (1) 0.0 ppb (0) 47.0 ppb (36) 0.09 ppb (1) 2.0 μg/m3 (2) -2.0 μg/m3 (0) 36.0
 
March 31, 2020, 8 p.m. 1.1 ppb (1) 0.3 ppb (0) 1.1 ppb (1) 1.0 ppb (1) 0.9 ppb (1) 0.0 ppb (0) 47.0 ppb (36) 0.09 ppb (1) -1.0 μg/m3 (0) -3.0 μg/m3 (0) 36.0
 
March 31, 2020, 7 p.m. 1.3 ppb (1) 0.3 ppb (0) 0.9 ppb (1) 1.0 ppb (1) 0.8 ppb (1) 0.0 ppb (0) 47.0 ppb (36) 0.08 ppb (1) -2.0 μg/m3 (0) -4.0 μg/m3 (0) 36.0
 
March 31, 2020, 6 p.m. 1.5 ppb (1) 0.4 ppb (0) 1.1 ppb (1) 1.0 ppb (1) 1.0 ppb (1) 0.0 ppb (0) 45.0 ppb (35) 0.09 ppb (1) 2.0 μg/m3 (2) -4.0 μg/m3 (0) 35.0
 
March 31, 2020, 5 p.m. 1.8 ppb (2) 0.4 ppb (0) 1.1 ppb (1) 1.0 ppb (1) 1.0 ppb (1) 0.0 ppb (0) 44.0 ppb (34) 0.09 ppb (1) 4.0 μg/m3 (4) N/A 34.0
 
March 31, 2020, 4 p.m. 3.7 ppb (3) 0.6 ppb (1) 3.1 ppb (3) 3.0 ppb (3) 2.7 ppb (3) 0.0 ppb (0) 41.0 ppb (32) 0.1 ppb (1) 4.0 μg/m3 (4) -1.0 μg/m3 (0) 32.0
 
March 31, 2020, 3 p.m. 3.9 ppb (4) 0.7 ppb (1) 3.3 ppb (3) 3.0 ppb (3) 2.7 ppb (3) 0.0 ppb (0) 41.0 ppb (32) 0.1 ppb (1) 1.0 μg/m3 (1) 1.0 μg/m3 (4) 32.0
 
March 31, 2020, 2 p.m. 5.4 ppb (5) 0.3 ppb (0) 4.5 ppb (4) 5.0 ppb (5) 4.4 ppb (4) 0.0 ppb (0) 39.0 ppb (30) 0.1 ppb (1) 2.0 μg/m3 (2) 0.0 μg/m3 (0) 30.0
 
March 31, 2020, 1 p.m. 6.1 ppb (6) 0.4 ppb (0) 4.4 ppb (4) 6.0 ppb (6) 4.5 ppb (4) 0.0 ppb (0) 37.0 ppb (28) 0.13 ppb (1) 2.0 μg/m3 (2) 0.0 μg/m3 (0) 28.0
 
March 31, 2020, noon 5.9 ppb (5) 0.2 ppb (0) 4.3 ppb (4) 6.0 ppb (6) 4.4 ppb (4) 0.0 ppb (0) 37.0 ppb (28) 0.11 ppb (1) -4.0 μg/m3 (0) 0.0 μg/m3 (0) 28.0
 
March 31, 2020, 11 a.m. 2.2 ppb (2) 0.0 ppb (0) 1.5 ppb (1) 2.0 ppb (2) 1.6 ppb (1) 0.0 ppb (0) 41.0 ppb (32) 0.07 ppb (1) -3.0 μg/m3 (0) -3.0 μg/m3 (0) 32.0
 
March 31, 2020, 10 a.m. 3.7 ppb (3) 0.1 ppb (0) 2.4 ppb (2) 4.0 ppb (4) 2.5 ppb (2) 0.0 ppb (0) 40.0 ppb (31) 0.09 ppb (1) 0.0 μg/m3 (0) -3.0 μg/m3 (0) 31.0
 
March 31, 2020, 9 a.m. 4.1 ppb (4) 0.0 ppb (0) 3.0 ppb (3) 4.0 ppb (4) 3.2 ppb (3) 0.0 ppb (0) 40.0 ppb (31) 0.09 ppb (1) -1.0 μg/m3 (0) 1.0 μg/m3 (4) 31.0
 
March 31, 2020, 8 a.m. 4.6 ppb (4) 0.1 ppb (0) 3.4 ppb (3) 4.0 ppb (4) 3.6 ppb (3) 0.0 ppb (0) 39.0 ppb (30) 0.09 ppb (1) -1.0 μg/m3 (0) 1.0 μg/m3 (4) 30.0
 
March 31, 2020, 7 a.m. 2.1 ppb (2) 0.0 ppb (0) 1.4 ppb (1) 2.0 ppb (2) 1.6 ppb (1) 0.0 ppb (0) 43.0 ppb (33) 0.08 ppb (1) 1.0 μg/m3 (1) -2.0 μg/m3 (0) 33.0
 
March 31, 2020, 6 a.m. 1.7 ppb (2) 0.0 ppb (0) 1.1 ppb (1) 2.0 ppb (2) 1.3 ppb (1) 0.0 ppb (0) 44.0 ppb (34) 0.07 ppb (1) 2.0 μg/m3 (2) -2.0 μg/m3 (0) 34.0
 
March 31, 2020, 5 a.m. 2.5 ppb (2) 0.0 ppb (0) 2.0 ppb (2) 2.0 ppb (2) 2.2 ppb (2) 0.0 ppb (0) 43.0 ppb (33) 0.09 ppb (1) 2.0 μg/m3 (2) -1.0 μg/m3 (0) 33.0
 
March 31, 2020, 4 a.m. 3.4 ppb (3) 0.0 ppb (0) 2.7 ppb (3) 3.0 ppb (3) 2.7 ppb (3) 0.0 ppb (0) 43.0 ppb (33) 0.1 ppb (1) 2.0 μg/m3 (2) -1.0 μg/m3 (0) 33.0
 
March 31, 2020, 3 a.m. 4.0 ppb (4) 0.2 ppb (0) 3.0 ppb (3) 4.0 ppb (4) 3.1 ppb (3) 0.0 ppb (0) 42.0 ppb (32) 0.09 ppb (1) 3.0 μg/m3 (3) -1.0 μg/m3 (0) 32.0
 
March 31, 2020, 2 a.m. 2.5 ppb (2) 0.0 ppb (0) 1.9 ppb (2) 2.0 ppb (2) 2.0 ppb (2) 0.0 ppb (0) 43.0 ppb (33) 0.09 ppb (1) 0.0 μg/m3 (0) -1.0 μg/m3 (0) 33.0
 
March 31, 2020, 1 a.m. 2.2 ppb (2) 0.2 ppb (0) 1.7 ppb (2) 2.0 ppb (2) 1.6 ppb (1) 0.0 ppb (0) 44.0 ppb (34) 0.09 ppb (1) 0.0 μg/m3 (0) -1.0 μg/m3 (0) 34.0
 
March 31, 2020, midnight 1.7 ppb (2) 0.3 ppb (0) 1.1 ppb (1) 1.0 ppb (1) 1.0 ppb (1) 0.0 ppb (0) 45.0 ppb (35) 0.08 ppb (1) 3.0 μg/m3 (3) N/A 35.0
 
March 30, 2020, 11 p.m. 2.6 ppb (2) 0.7 ppb (1) 1.9 ppb (2) 2.0 ppb (2) 1.6 ppb (1) 0.0 ppb (0) 45.0 ppb (35) 0.09 ppb (1) 5.0 μg/m3 (5) N/A 35.0
 
March 30, 2020, 10 p.m. 3.1 ppb (3) 0.8 ppb (1) 2.0 ppb (2) 2.0 ppb (2) 1.7 ppb (2) 0.0 ppb (0) 46.0 ppb (35) 0.09 ppb (1) 5.0 μg/m3 (5) -2.0 μg/m3 (0) 35.0
 
March 30, 2020, 9 p.m. N/A N/A 2.7 ppb (3) N/A 2.2 ppb (2) 0.0 ppb (0) 46.0 ppb (35) 0.09 ppb (1) N/A N/A 35.0
 
March 30, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.09 ppb (1) 3.0 μg/m3 (3) -2.0 μg/m3 (0) 36.0
 
March 30, 2020, 7 p.m. 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 49.0 ppb (38) 0.1 ppb (1) 0.0 μg/m3 (0) -2.0 μg/m3 (0) 38.0
 
March 30, 2020, 6 p.m. 3.9 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 35.0 ppb (27) 0.07 ppb (1) 4.0 μg/m3 (4) 0.0 μg/m3 (0) 27.0
 
March 30, 2020, 5 p.m. 6.5 ppb (6) 2.2 ppb (2) 6.2 ppb (6) 4.0 ppb (4) 4.2 ppb (4) N/A N/A N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 6.0
 
March 30, 2020, 4 p.m. 11.3 ppb (10) 3.5 ppb (3) 10.2 ppb (9) 8.0 ppb (7) 7.2 ppb (7) N/A N/A N/A 7.0 μg/m3 (6) -2.0 μg/m3 (0) 10.0
 
March 30, 2020, 3 p.m. 23.4 ppb (22) 4.3 ppb (4) 21.7 ppb (20) 19.0 ppb (18) 18.3 ppb (17) 0.0 ppb (0) 26.0 ppb (20) 0.21 ppb (2) 13.0 μg/m3 (12) -2.0 μg/m3 (0) 22.0
 
March 30, 2020, 2 p.m. 38.9 ppb (36) 6.9 ppb (6) 36.2 ppb (34) 32.0 ppb (30) 30.7 ppb (28) 0.0 ppb (0) 14.0 ppb (11) 0.34 ppb (4) 19.0 μg/m3 (17) -1.0 μg/m3 (0) 36.0
 
March 30, 2020, 1 p.m. 43.0 ppb (40) 8.5 ppb (8) 39.3 ppb (36) 34.0 ppb (31) 32.9 ppb (30) 0.0 ppb (0) 8.0 ppb (6) 0.38 ppb (4) 14.0 μg/m3 (13) -1.0 μg/m3 (0) 40.0
 
March 30, 2020, noon 27.8 ppb (26) 2.5 ppb (2) 24.5 ppb (23) 25.0 ppb (23) 23.4 ppb (22) 0.0 ppb (0) 16.0 ppb (12) 0.27 ppb (3) 7.0 μg/m3 (6) 1.0 μg/m3 (4) 26.0
 
March 30, 2020, 11 a.m. 24.0 ppb (22) 1.4 ppb (1) 22.1 ppb (20) 23.0 ppb (21) 21.6 ppb (20) 0.0 ppb (0) 17.0 ppb (13) 0.22 ppb (2) 10.0 μg/m3 (9) 3.0 μg/m3 (12) 22.0
 
March 30, 2020, 10 a.m. 20.7 ppb (19) 1.2 ppb (1) 18.5 ppb (17) 19.0 ppb (18) 18.5 ppb (17) 0.0 ppb (0) 19.0 ppb (15) 0.22 ppb (2) 10.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
March 30, 2020, 9 a.m. 27.3 ppb (25) 1.4 ppb (1) 25.3 ppb (23) 26.0 ppb (24) 24.9 ppb (23) 0.0 ppb (0) 14.0 ppb (11) 0.27 ppb (3) 11.0 μg/m3 (10) 3.0 μg/m3 (12) 25.0
 
March 30, 2020, 8 a.m. 20.9 ppb (19) 2.1 ppb (2) 17.1 ppb (16) 19.0 ppb (18) 16.7 ppb (15) 0.0 ppb (0) 20.0 ppb (15) 0.23 ppb (3) 5.0 μg/m3 (5) 3.0 μg/m3 (12) 19.0
 
March 30, 2020, 7 a.m. 9.3 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 33.0 ppb (25) 0.16 ppb (2) 3.0 μg/m3 (3) 1.0 μg/m3 (4) 25.0
 
March 30, 2020, 6 a.m. 6.7 ppb (6) 0.2 ppb (0) 5.8 ppb (5) 6.0 ppb (6) 6.0 ppb (6) 0.0 ppb (0) 40.0 ppb (31) 0.14 ppb (2) 1.0 μg/m3 (1) -1.0 μg/m3 (0) 31.0
 
March 30, 2020, 5 a.m. 3.3 ppb (3) 0.3 ppb (0) 2.6 ppb (2) 3.0 ppb (3) 2.6 ppb (2) 0.0 ppb (0) 46.0 ppb (35) 0.11 ppb (1) 1.0 μg/m3 (1) -3.0 μg/m3 (0) 35.0
 
March 30, 2020, 4 a.m. 2.5 ppb (2) 0.1 ppb (0) 2.0 ppb (2) 2.0 ppb (2) 2.1 ppb (2) 0.0 ppb (0) 48.0 ppb (37) 0.11 ppb (1) 1.0 μg/m3 (1) -2.0 μg/m3 (0) 37.0
 
March 30, 2020, 3 a.m. 4.1 ppb (4) 0.3 ppb (0) 3.3 ppb (3) 4.0 ppb (4) 3.3 ppb (3) 0.0 ppb (0) 47.0 ppb (36) 0.12 ppb (1) 0.0 μg/m3 (0) -1.0 μg/m3 (0) 36.0
 
March 30, 2020, 2 a.m. 2.5 ppb (2) 0.1 ppb (0) 1.9 ppb (2) 2.0 ppb (2) 1.9 ppb (2) 0.0 ppb (0) 49.0 ppb (38) 0.11 ppb (1) -2.0 μg/m3 (0) -1.0 μg/m3 (0) 38.0
 
March 30, 2020, 1 a.m. 1.7 ppb (2) 0.2 ppb (0) 1.2 ppb (1) 2.0 ppb (2) 1.2 ppb (1) 0.0 ppb (0) 52.0 ppb (40) 0.1 ppb (1) -2.0 μg/m3 (0) -1.0 μg/m3 (0) 40.0
 
March 30, 2020, midnight 1.5 ppb (1) 0.2 ppb (0) 0.9 ppb (1) 1.0 ppb (1) 0.9 ppb (1) 0.0 ppb (0) 55.0 ppb (42) 0.1 ppb (1) 3.0 μg/m3 (3) -2.0 μg/m3 (0) 42.0
 
March 29, 2020, 11 p.m. 1.6 ppb (1) 0.3 ppb (0) 0.9 ppb (1) 1.0 ppb (1) 0.9 ppb (1) 0.0 ppb (0) 57.0 ppb (44) 0.1 ppb (1) 4.0 μg/m3 (4) -1.0 μg/m3 (0) 44.0
 
March 29, 2020, 10 p.m. 1.6 ppb (1) 0.3 ppb (0) 0.9 ppb (1) 1.0 ppb (1) 0.9 ppb (1) 0.0 ppb (0) 56.0 ppb (43) 0.1 ppb (1) -3.0 μg/m3 (0) -3.0 μg/m3 (0) 43.0
 
March 29, 2020, 9 p.m. 1.4 ppb (1) 0.3 ppb (0) 0.9 ppb (1) 1.0 ppb (1) 0.8 ppb (1) 0.0 ppb (0) 55.0 ppb (42) 0.1 ppb (1) -1.0 μg/m3 (0) -4.0 μg/m3 (0) 42.0
 
March 29, 2020, 8 p.m. 2.5 ppb (2) 0.7 ppb (1) 1.8 ppb (2) 2.0 ppb (2) 1.4 ppb (1) 0.0 ppb (0) 52.0 ppb (40) 0.1 ppb (1) 1.0 μg/m3 (1) N/A 40.0
 
March 29, 2020, 7 p.m. 3.0 ppb (3) 0.9 ppb (1) 2.1 ppb (2) 2.0 ppb (2) 1.7 ppb (2) 0.0 ppb (0) 49.0 ppb (38) 0.11 ppb (1) 1.0 μg/m3 (1) -3.0 μg/m3 (0) 38.0
 
March 29, 2020, 6 p.m. 4.0 ppb (4) 1.2 ppb (1) 3.1 ppb (3) 3.0 ppb (3) 2.5 ppb (2) 0.0 ppb (0) 45.0 ppb (35) 0.11 ppb (1) 0.0 μg/m3 (0) -1.0 μg/m3 (0) 35.0
 
March 29, 2020, 5 p.m. 4.5 ppb (4) 1.0 ppb (1) 3.5 ppb (3) 3.0 ppb (3) 2.9 ppb (3) 0.0 ppb (0) 45.0 ppb (35) 0.11 ppb (1) -2.0 μg/m3 (0) -1.0 μg/m3 (0) 35.0
 
March 29, 2020, 4 p.m. 6.3 ppb (6) 1.9 ppb (2) 5.1 ppb (5) 4.0 ppb (4) 3.8 ppb (4) 0.0 ppb (0) 41.0 ppb (32) 0.14 ppb (2) 2.0 μg/m3 (2) -2.0 μg/m3 (0) 32.0
 
March 29, 2020, 3 p.m. 17.7 ppb (16) 3.9 ppb (4) 16.6 ppb (15) 14.0 ppb (13) 13.4 ppb (12) 0.0 ppb (0) 26.0 ppb (20) 0.19 ppb (2) 5.0 μg/m3 (5) 0.0 μg/m3 (0) 20.0
 
March 29, 2020, 2 p.m. 23.3 ppb (22) 3.7 ppb (3) 21.5 ppb (20) 20.0 ppb (19) 19.0 ppb (18) 0.0 ppb (0) 16.0 ppb (12) 0.21 ppb (2) 2.0 μg/m3 (2) 1.0 μg/m3 (4) 22.0
 
March 29, 2020, 1 p.m. 24.1 ppb (22) 2.0 ppb (2) 22.9 ppb (21) 22.0 ppb (20) 21.9 ppb (20) 0.0 ppb (0) 10.0 ppb (8) 0.21 ppb (2) 2.0 μg/m3 (2) -1.0 μg/m3 (0) 22.0
 
March 29, 2020, noon 15.1 ppb (14) 0.7 ppb (1) 14.1 ppb (13) 14.0 ppb (13) 14.0 ppb (13) 0.0 ppb (0) 20.0 ppb (15) 0.17 ppb (2) 2.0 μg/m3 (2) -2.0 μg/m3 (0) 15.0
 
March 29, 2020, 11 a.m. 15.1 ppb (14) 0.6 ppb (1) 14.1 ppb (13) 14.0 ppb (13) 14.2 ppb (13) 0.0 ppb (0) 22.0 ppb (17) 0.15 ppb (2) 0.0 μg/m3 (0) -3.0 μg/m3 (0) 17.0
 
March 29, 2020, 10 a.m. 8.4 ppb (8) 0.2 ppb (0) 7.4 ppb (7) 8.0 ppb (7) 7.6 ppb (7) 0.0 ppb (0) 31.0 ppb (24) 0.15 ppb (2) 3.0 μg/m3 (3) -1.0 μg/m3 (0) 24.0