ID: 237

AQSQID: 061010003

Site Name: Yuba City

Added: April 21, 2020, 6:24 p.m.

Updated: April 20, 2021, 9:43 a.m.

Location: Yuba City (Almond St), CA

Reporting: True, Located: True

Current AQI: 58.0

Yuba City (Almond St) CA, US: 39.13868, -121.61884

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 20, 2021, 8 a.m. 3.7 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) N/A 19.6 μg/m3 (19) 15.0 μg/m3 (58) 58.0
 
April 20, 2021, 7 a.m. 4.3 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) N/A 19.1 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
April 20, 2021, 6 a.m. 4.7 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (26) N/A 19.9 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
April 20, 2021, 5 a.m. 4.7 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) N/A 22.3 μg/m3 (21) 11.0 μg/m3 (46) 46.0
 
April 20, 2021, 4 a.m. 4.9 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) N/A 21.7 μg/m3 (21) 13.0 μg/m3 (53) 53.0
 
April 20, 2021, 3 a.m. 4.6 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) N/A 24.5 μg/m3 (23) 8.0 μg/m3 (34) 37.0
 
April 20, 2021, 2 a.m. 3.6 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (45) N/A 27.3 μg/m3 (26) 3.0 μg/m3 (13) 45.0
 
April 20, 2021, 1 a.m. 3.2 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 54.0 ppb (50) N/A 40.8 μg/m3 (38) 17.0 μg/m3 (62) 62.0
 
April 20, 2021, midnight 4.6 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 58.0 ppb (61) N/A 57.4 μg/m3 (53) 29.0 μg/m3 (87) 87.0
 
April 19, 2021, 11 p.m. 3.4 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 55.0 ppb (51) N/A 34.6 μg/m3 (33) 20.0 μg/m3 (68) 68.0
 
April 19, 2021, 10 p.m. 2.2 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (48) N/A 35.4 μg/m3 (33) 6.0 μg/m3 (25) 48.0
 
April 19, 2021, 9 p.m. 2.4 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (47) N/A 31.7 μg/m3 (30) 6.0 μg/m3 (25) 47.0
 
April 19, 2021, 8 p.m. 2.3 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (45) N/A 33.4 μg/m3 (31) 6.0 μg/m3 (25) 45.0
 
April 19, 2021, 7 p.m. 2.8 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (45) N/A 38.5 μg/m3 (36) 4.0 μg/m3 (17) 45.0
 
April 19, 2021, 6 p.m. 3.5 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) N/A 35.0 μg/m3 (33) 7.0 μg/m3 (30) 39.0
 
April 19, 2021, 5 p.m. 5.0 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) N/A 35.3 μg/m3 (33) 8.0 μg/m3 (34) 34.0
 
April 19, 2021, 4 p.m. 5.8 ppb (6) 1.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) N/A 21.9 μg/m3 (21) 7.0 μg/m3 (30) 31.0
 
April 19, 2021, 3 p.m. 11.8 ppb (12) 3.3 ppb (4) N/A 9.0 ppb (9) N/A N/A 26.0 ppb (25) N/A 24.6 μg/m3 (23) 8.0 μg/m3 (34) 34.0
 
April 19, 2021, 2 p.m. 35.5 ppb (34) 15.3 ppb (15) N/A 20.0 ppb (19) N/A N/A 6.0 ppb (6) N/A 43.0 μg/m3 (40) 10.0 μg/m3 (42) 42.0
 
April 19, 2021, 1 p.m. 26.3 ppb (25) 6.5 ppb (7) N/A 20.0 ppb (19) N/A N/A 5.0 ppb (5) N/A 27.8 μg/m3 (26) 9.0 μg/m3 (38) 38.0
 
April 19, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (50) 10.0 μg/m3 (42) 50.0
 
April 19, 2021, 11 a.m. 18.1 ppb (18) 2.2 ppb (3) N/A 16.0 ppb (16) N/A N/A 9.0 ppb (9) N/A 20.4 μg/m3 (19) 7.0 μg/m3 (30) 30.0
 
April 19, 2021, 10 a.m. 11.9 ppb (12) 1.2 ppb (2) N/A 11.0 ppb (11) N/A N/A 16.0 ppb (15) N/A 11.6 μg/m3 (11) 8.0 μg/m3 (34) 34.0
 
April 19, 2021, 9 a.m. 11.3 ppb (11) 1.1 ppb (2) N/A 10.0 ppb (10) N/A N/A 20.0 ppb (19) N/A 20.3 μg/m3 (19) 4.0 μg/m3 (17) 19.0
 
April 19, 2021, 8 a.m. 8.1 ppb (8) 1.1 ppb (2) N/A 7.0 ppb (7) N/A N/A 26.0 ppb (25) N/A 16.8 μg/m3 (16) 3.0 μg/m3 (13) 25.0
 
April 19, 2021, 7 a.m. 5.9 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (28) N/A 27.4 μg/m3 (26) 6.0 μg/m3 (25) 28.0
 
April 19, 2021, 6 a.m. 7.0 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) N/A 28.5 μg/m3 (27) 11.0 μg/m3 (46) 46.0
 
April 19, 2021, 5 a.m. 16.6 ppb (16) 1.3 ppb (2) N/A 15.0 ppb (15) N/A N/A 23.0 ppb (22) N/A 31.9 μg/m3 (30) 10.0 μg/m3 (42) 42.0
 
April 19, 2021, 4 a.m. 19.3 ppb (19) 1.5 ppb (2) N/A 18.0 ppb (17) N/A N/A 25.0 ppb (24) N/A 35.8 μg/m3 (34) 9.0 μg/m3 (38) 38.0
 
April 19, 2021, 3 a.m. 22.1 ppb (21) 1.6 ppb (2) N/A 21.0 ppb (20) N/A N/A 27.0 ppb (25) N/A 24.6 μg/m3 (23) 10.0 μg/m3 (42) 42.0
 
April 19, 2021, 2 a.m. 9.5 ppb (9) 0.9 ppb (1) N/A 9.0 ppb (9) N/A N/A 40.0 ppb (38) N/A 11.7 μg/m3 (11) 4.0 μg/m3 (17) 38.0
 
April 19, 2021, 1 a.m. 1.8 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) N/A 9.1 μg/m3 (9) 3.0 μg/m3 (13) 46.0
 
April 19, 2021, midnight 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) N/A 11.2 μg/m3 (11) 4.0 μg/m3 (17) 45.0
 
April 18, 2021, 11 p.m. 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) N/A 25.5 μg/m3 (24) 3.0 μg/m3 (13) 43.0
 
April 18, 2021, 10 p.m. 1.2 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) N/A 12.2 μg/m3 (12) 3.0 μg/m3 (13) 43.0
 
April 18, 2021, 9 p.m. 1.2 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) N/A 8.4 μg/m3 (8) 0.0 μg/m3 (0) 43.0
 
April 18, 2021, 8 p.m. 1.5 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A 18.6 μg/m3 (18) 0.0 μg/m3 (0) 40.0
 
April 18, 2021, 7 p.m. 2.7 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) N/A 20.5 μg/m3 (19) 2.0 μg/m3 (9) 41.0
 
April 18, 2021, 6 p.m. 2.2 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A 34.6 μg/m3 (33) 1.0 μg/m3 (5) 37.0
 
April 18, 2021, 5 p.m. 2.8 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) N/A 15.0 μg/m3 (14) 2.0 μg/m3 (9) 32.0
 
April 18, 2021, 4 p.m. 3.3 ppb (4) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) N/A 8.8 μg/m3 (9) 2.0 μg/m3 (9) 27.0
 
April 18, 2021, 3 p.m. 3.2 ppb (4) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (25) N/A 10.0 μg/m3 (10) -2.0 μg/m3 (0) 25.0
 
April 18, 2021, 2 p.m. 3.8 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (25) N/A 9.0 μg/m3 (9) 1.0 μg/m3 (5) 25.0
 
April 18, 2021, 1 p.m. 5.3 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (24) N/A 8.5 μg/m3 (8) 2.0 μg/m3 (9) 24.0
 
April 18, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
April 18, 2021, 11 a.m. 3.5 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) N/A 3.8 μg/m3 (4) 0.0 μg/m3 (0) 25.0
 
April 18, 2021, 10 a.m. 3.0 ppb (3) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (26) N/A 5.7 μg/m3 (6) 4.0 μg/m3 (17) 26.0
 
April 18, 2021, 9 a.m. 3.0 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) N/A 7.7 μg/m3 (8) 6.0 μg/m3 (25) 28.0
 
April 18, 2021, 8 a.m. 3.2 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) N/A 8.3 μg/m3 (8) 9.0 μg/m3 (38) 38.0
 
April 18, 2021, 7 a.m. 3.3 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) N/A 15.0 μg/m3 (14) 3.0 μg/m3 (13) 33.0
 
April 18, 2021, 6 a.m. 5.2 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) N/A 12.9 μg/m3 (12) 4.0 μg/m3 (17) 29.0
 
April 18, 2021, 5 a.m. 9.6 ppb (10) 0.8 ppb (1) N/A 9.0 ppb (9) N/A N/A 27.0 ppb (25) N/A 19.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
April 18, 2021, 4 a.m. 11.6 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (11) N/A N/A 26.0 ppb (25) N/A 16.0 μg/m3 (15) 3.0 μg/m3 (13) 25.0
 
April 18, 2021, 3 a.m. 5.3 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (35) N/A 16.2 μg/m3 (15) 2.0 μg/m3 (9) 35.0
 
April 18, 2021, 2 a.m. 2.5 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A 18.1 μg/m3 (17) 3.0 μg/m3 (13) 40.0
 
April 18, 2021, 1 a.m. 1.6 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) N/A 14.6 μg/m3 (14) 3.0 μg/m3 (13) 42.0
 
April 18, 2021, midnight 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) N/A 10.9 μg/m3 (11) 2.0 μg/m3 (9) 42.0
 
April 17, 2021, 11 p.m. 1.9 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A 18.4 μg/m3 (18) 2.0 μg/m3 (9) 40.0
 
April 17, 2021, 10 p.m. 2.3 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A 18.5 μg/m3 (18) 2.0 μg/m3 (9) 38.0
 
April 17, 2021, 9 p.m. 1.6 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A 20.3 μg/m3 (19) 3.0 μg/m3 (13) 39.0
 
April 17, 2021, 8 p.m. 2.2 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A 20.4 μg/m3 (19) 2.0 μg/m3 (9) 38.0
 
April 17, 2021, 7 p.m. 2.8 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A 28.9 μg/m3 (27) 1.0 μg/m3 (5) 38.0
 
April 17, 2021, 6 p.m. 4.5 ppb (5) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) N/A 24.4 μg/m3 (23) 3.0 μg/m3 (13) 36.0
 
April 17, 2021, 5 p.m. 6.9 ppb (7) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) N/A 47.5 μg/m3 (44) 3.0 μg/m3 (13) 44.0
 
April 17, 2021, 4 p.m. 4.4 ppb (5) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) N/A 28.2 μg/m3 (27) 3.0 μg/m3 (13) 33.0
 
April 17, 2021, 3 p.m. 7.4 ppb (7) 2.2 ppb (3) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (23) N/A 21.7 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
April 17, 2021, 2 p.m. 5.2 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (24) N/A 28.2 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
April 17, 2021, 1 p.m. 7.1 ppb (7) 1.2 ppb (2) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (16) N/A 18.7 μg/m3 (18) 7.0 μg/m3 (30) 30.0
 
April 17, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 26.4 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
April 17, 2021, 11 a.m. 8.3 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (8) N/A N/A 18.0 ppb (17) N/A 19.3 μg/m3 (18) 4.0 μg/m3 (17) 18.0
 
April 17, 2021, 10 a.m. 5.5 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (23) N/A 16.6 μg/m3 (16) 2.0 μg/m3 (9) 23.0
 
April 17, 2021, 9 a.m. 5.8 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (25) N/A 24.9 μg/m3 (24) N/A 25.0
 
April 17, 2021, 8 a.m. 6.3 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (23) N/A 20.4 μg/m3 (19) 20.0 μg/m3 (68) 68.0
 
April 17, 2021, 7 a.m. 5.2 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (26) N/A 22.6 μg/m3 (21) 11.0 μg/m3 (46) 46.0
 
April 17, 2021, 6 a.m. 6.9 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (23) N/A 32.2 μg/m3 (30) 14.0 μg/m3 (55) 55.0
 
April 17, 2021, 5 a.m. 14.1 ppb (14) 1.2 ppb (2) N/A 13.0 ppb (13) N/A N/A 21.0 ppb (20) N/A 26.4 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
April 17, 2021, 4 a.m. 20.6 ppb (20) 1.9 ppb (2) N/A 19.0 ppb (18) N/A N/A 18.0 ppb (17) N/A 34.1 μg/m3 (32) 13.0 μg/m3 (53) 53.0
 
April 17, 2021, 3 a.m. 14.2 ppb (14) 1.0 ppb (1) N/A 13.0 ppb (13) N/A N/A 26.0 ppb (25) N/A 29.6 μg/m3 (28) 10.0 μg/m3 (42) 42.0
 
April 17, 2021, 2 a.m. 5.3 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (38) N/A 34.3 μg/m3 (32) 5.0 μg/m3 (21) 38.0
 
April 17, 2021, 1 a.m. 2.5 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) N/A 30.5 μg/m3 (29) 3.0 μg/m3 (13) 41.0
 
April 17, 2021, midnight 2.0 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A 19.2 μg/m3 (18) 3.0 μg/m3 (13) 40.0
 
April 16, 2021, 11 p.m. 2.4 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A 26.9 μg/m3 (25) 3.0 μg/m3 (13) 38.0
 
April 16, 2021, 10 p.m. 2.4 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A N/A 39.0
 
April 16, 2021, 9 p.m. 2.3 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
April 16, 2021, 8 p.m. 3.2 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
April 16, 2021, 7 p.m. 3.4 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
April 16, 2021, 6 p.m. 5.2 ppb (5) 1.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) N/A N/A N/A 37.0
 
April 16, 2021, 5 p.m. 4.6 ppb (5) 1.4 ppb (2) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) N/A N/A N/A 32.0
 
April 16, 2021, 4 p.m. 6.4 ppb (7) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (28) N/A N/A N/A 28.0
 
April 16, 2021, 3 p.m. 11.7 ppb (12) 4.4 ppb (5) N/A 7.0 ppb (7) N/A N/A 27.0 ppb (25) N/A N/A N/A 25.0
 
April 16, 2021, 2 p.m. 16.4 ppb (16) 4.0 ppb (4) N/A 12.0 ppb (12) N/A N/A 18.0 ppb (17) N/A N/A N/A 17.0
 
April 16, 2021, 1 p.m. 11.1 ppb (11) 1.5 ppb (2) N/A 10.0 ppb (10) N/A N/A 19.0 ppb (18) N/A N/A N/A 18.0
 
April 16, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
April 16, 2021, 11 a.m. 8.1 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (7) N/A N/A 21.0 ppb (20) N/A N/A N/A 20.0
 
April 16, 2021, 10 a.m. 6.1 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (25) N/A N/A N/A 25.0
 
April 16, 2021, 9 a.m. 5.2 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
April 16, 2021, 8 a.m. 4.0 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (25) N/A N/A N/A 25.0
 
April 16, 2021, 7 a.m. 3.7 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) N/A N/A N/A 25.0
 
April 16, 2021, 6 a.m. 7.8 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (7) N/A N/A 25.0 ppb (24) N/A N/A N/A 24.0
 
April 16, 2021, 5 a.m. 18.4 ppb (18) 1.5 ppb (2) N/A 17.0 ppb (17) N/A N/A 19.0 ppb (18) N/A N/A N/A 18.0
 
April 16, 2021, 4 a.m. 19.3 ppb (19) 1.3 ppb (2) N/A 18.0 ppb (17) N/A N/A 22.0 ppb (21) N/A N/A N/A 21.0
 
April 16, 2021, 3 a.m. 14.0 ppb (14) 0.9 ppb (1) N/A 13.0 ppb (13) N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
April 16, 2021, 2 a.m. 5.7 ppb (6) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
April 16, 2021, 1 a.m. 1.8 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
April 16, 2021, midnight 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
April 15, 2021, 11 p.m. 1.6 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
April 15, 2021, 10 p.m. 1.4 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
April 15, 2021, 9 p.m. 2.9 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
April 15, 2021, 8 p.m. 3.3 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
April 15, 2021, 7 p.m. 3.0 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
April 15, 2021, 6 p.m. 3.8 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) N/A N/A N/A 38.0
 
April 15, 2021, 5 p.m. 3.9 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) N/A N/A N/A 34.0
 
April 15, 2021, 4 p.m. 4.2 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) N/A N/A N/A 33.0
 
April 15, 2021, 3 p.m. 6.8 ppb (7) 2.8 ppb (3) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) N/A N/A N/A 30.0
 
April 15, 2021, 2 p.m. 5.7 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
April 15, 2021, 1 p.m. 5.0 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
April 15, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
April 15, 2021, 11 a.m. 4.7 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (24) N/A N/A N/A 24.0
 
April 15, 2021, 10 a.m. 4.6 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (25) N/A N/A N/A 25.0
 
April 15, 2021, 9 a.m. 4.2 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) N/A N/A N/A 28.0
 
April 15, 2021, 8 a.m. 3.6 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
April 15, 2021, 7 a.m. 3.1 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) N/A N/A N/A 30.0
 
April 15, 2021, 6 a.m. 3.4 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
April 15, 2021, 5 a.m. 2.6 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) N/A N/A N/A 34.0
 
April 15, 2021, 4 a.m. 3.1 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) N/A N/A N/A 38.0
 
April 15, 2021, 3 a.m. 3.9 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (39) N/A N/A N/A 39.0
 
April 15, 2021, 2 a.m. 4.0 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
April 15, 2021, 1 a.m. 2.3 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
April 15, 2021, midnight 1.6 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
April 14, 2021, 11 p.m. 1.7 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A N/A 39.0
 
April 14, 2021, 10 p.m. 1.5 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A N/A 38.0
 
April 14, 2021, 9 p.m. 2.0 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A N/A 38.0
 
April 14, 2021, 8 p.m. 2.9 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A N/A N/A 38.0
 
April 14, 2021, 7 p.m. 2.8 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A N/A N/A 37.0
 
April 14, 2021, 6 p.m. 4.1 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) N/A N/A N/A 35.0
 
April 14, 2021, 5 p.m. 4.2 ppb (4) 1.3 ppb (2) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) N/A N/A N/A 33.0
 
April 14, 2021, 4 p.m. 7.7 ppb (8) 3.4 ppb (4) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
April 14, 2021, 3 p.m. 7.1 ppb (7) 2.2 ppb (3) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (22) N/A N/A N/A 22.0
 
April 14, 2021, 2 p.m. 13.8 ppb (14) 3.6 ppb (4) N/A 10.0 ppb (10) N/A N/A 13.0 ppb (13) N/A N/A N/A 14.0
 
April 14, 2021, 1 p.m. 11.0 ppb (11) 1.6 ppb (2) N/A 9.0 ppb (9) N/A N/A 13.0 ppb (13) N/A N/A N/A 13.0
 
April 14, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
April 14, 2021, 11 a.m. 2.5 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) N/A N/A N/A 31.0
 
April 14, 2021, 10 a.m. 3.1 ppb (3) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
April 14, 2021, 9 a.m. 5.5 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (25) N/A N/A N/A 25.0
 
April 14, 2021, 8 a.m. 4.8 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
April 14, 2021, 7 a.m. 3.3 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) N/A N/A N/A 34.0
 
April 14, 2021, 6 a.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A N/A 39.0
 
April 14, 2021, 5 a.m. 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
April 14, 2021, 4 a.m. 2.8 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
April 14, 2021, 3 a.m. 3.1 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) N/A N/A N/A 37.0
 
April 14, 2021, 2 a.m. 2.3 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
April 14, 2021, 1 a.m. 3.2 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
April 14, 2021, midnight 2.0 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
April 13, 2021, 11 p.m. 1.7 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
April 13, 2021, 10 p.m. 2.2 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A N/A 39.0
 
April 13, 2021, 9 p.m. 2.2 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
April 13, 2021, 8 p.m. 2.8 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A N/A 39.0
 
April 13, 2021, 7 p.m. 2.6 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
April 13, 2021, 6 p.m. 5.5 ppb (6) 1.6 ppb (2) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) N/A N/A N/A 35.0
 
April 13, 2021, 5 p.m. 5.4 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) N/A N/A N/A 32.0
 
April 13, 2021, 4 p.m. 8.4 ppb (8) 3.4 ppb (4) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
April 13, 2021, 3 p.m. 7.0 ppb (7) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
April 13, 2021, 2 p.m. 7.3 ppb (7) 1.4 ppb (2) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (25) N/A N/A N/A 25.0
 
April 13, 2021, 1 p.m. 5.5 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
April 13, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
April 13, 2021, 11 a.m. 2.3 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
April 13, 2021, 10 a.m. 3.1 ppb (3) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) N/A N/A N/A 28.0
 
April 13, 2021, 9 a.m. 2.9 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0