AQSQID: 060132007

Site Name: San Ramon

Location: San Ramon (Pine Valley Rd), CA

Reporting: True, Located: True

Current AQI: 20.0

San Ramon (Pine Valley Rd) CA, US: 37.743649, -121.934188

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 22, 2019, 6 a.m. 4.6 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
March 22, 2019, 5 a.m. 7.3 ppb (7) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
March 22, 2019, 4 a.m. 6.0 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
March 22, 2019, 3 a.m. 4.5 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
March 22, 2019, 2 a.m. 3.5 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
March 22, 2019, 1 a.m. 2.0 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
March 22, 2019, midnight 1.8 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
March 21, 2019, 11 p.m. 3.2 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
March 21, 2019, 10 p.m. 4.3 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
March 21, 2019, 9 p.m. 7.4 ppb (7) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
March 21, 2019, 8 p.m. 7.2 ppb (7) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
March 21, 2019, 7 p.m. 2.9 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
March 21, 2019, 6 p.m. 5.4 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
March 21, 2019, 5 p.m. 12.1 ppb (11) 4.2 ppb (4) N/A 8.0 ppb (7) N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
March 21, 2019, 4 p.m. 21.7 ppb (20) 9.8 ppb (9) N/A 12.0 ppb (11) N/A N/A 13.0 ppb (10) N/A N/A N/A 20.0
 
March 21, 2019, 3 p.m. 24.5 ppb (23) 11.1 ppb (10) N/A 13.0 ppb (12) N/A N/A 7.0 ppb (5) N/A N/A N/A 23.0
 
March 21, 2019, 2 p.m. 36.1 ppb (33) 22.5 ppb (21) N/A 14.0 ppb (13) N/A N/A 1.0 ppb (1) N/A N/A N/A 33.0
 
March 21, 2019, 1 p.m. 38.6 ppb (36) 26.5 ppb (25) N/A 12.0 ppb (11) N/A N/A 1.0 ppb (1) N/A N/A N/A 36.0
 
March 21, 2019, noon 11.2 ppb (10) 5.1 ppb (5) N/A 6.0 ppb (6) N/A N/A 7.0 ppb (5) N/A N/A N/A 10.0
 
March 21, 2019, 11 a.m. 5.4 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 9.0 ppb (7) N/A N/A N/A 7.0
 
March 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 21, 2019, 9 a.m. 6.8 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 10.0 ppb (8) N/A N/A N/A 8.0
 
March 21, 2019, 8 a.m. 6.3 ppb (6) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 12.0 ppb (9) N/A N/A N/A 9.0
 
March 21, 2019, 7 a.m. 5.8 ppb (5) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 14.0 ppb (11) N/A N/A N/A 11.0
 
March 21, 2019, 6 a.m. 6.0 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
March 21, 2019, 5 a.m. 4.5 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
March 21, 2019, 4 a.m. 4.8 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
March 21, 2019, 3 a.m. 3.2 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
March 21, 2019, 2 a.m. 2.1 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A N/A 33.0
 
March 21, 2019, 1 a.m. 1.6 ppb (1) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
March 21, 2019, midnight 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
March 20, 2019, 11 p.m. 3.2 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
March 20, 2019, 10 p.m. 2.1 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A N/A 36.0
 
March 20, 2019, 9 p.m. 2.1 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A N/A 36.0
 
March 20, 2019, 8 p.m. 1.9 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
March 20, 2019, 7 p.m. 2.3 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
March 20, 2019, 6 p.m. 1.8 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
March 20, 2019, 5 p.m. 3.8 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
March 20, 2019, 4 p.m. 4.2 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
March 20, 2019, 3 p.m. 7.0 ppb (6) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
March 20, 2019, 2 p.m. 4.9 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
March 20, 2019, 1 p.m. 11.2 ppb (10) 10.6 ppb (10) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
March 20, 2019, noon 2.4 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
March 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 20, 2019, 10 a.m. 2.0 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
March 20, 2019, 9 a.m. 2.0 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
March 20, 2019, 8 a.m. 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
March 20, 2019, 7 a.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
March 20, 2019, 6 a.m. 2.5 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
March 20, 2019, 5 a.m. 2.1 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A N/A 33.0
 
March 20, 2019, 4 a.m. 2.3 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A N/A 36.0
 
March 20, 2019, 3 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A N/A N/A 38.0
 
March 20, 2019, 2 a.m. 4.9 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
March 20, 2019, 1 a.m. 9.7 ppb (9) 0.3 ppb (0) N/A 9.0 ppb (8) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
March 20, 2019, midnight 5.6 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 48.0 ppb (37) N/A N/A N/A 37.0
 
March 19, 2019, 11 p.m. 4.0 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 49.0 ppb (38) N/A N/A N/A 38.0
 
March 19, 2019, 10 p.m. 3.2 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (38) N/A N/A N/A 38.0
 
March 19, 2019, 9 p.m. 3.0 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (37) N/A N/A N/A 37.0
 
March 19, 2019, 8 p.m. 5.7 ppb (5) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 43.0 ppb (33) N/A N/A N/A 33.0
 
March 19, 2019, 7 p.m. 15.6 ppb (14) 3.9 ppb (4) N/A 12.0 ppb (11) N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
March 19, 2019, 6 p.m. 24.3 ppb (23) 6.6 ppb (6) N/A 18.0 ppb (17) N/A N/A 21.0 ppb (16) N/A N/A N/A 23.0
 
March 19, 2019, 5 p.m. 24.0 ppb (22) 8.7 ppb (8) N/A 15.0 ppb (14) N/A N/A 16.0 ppb (12) N/A N/A N/A 22.0
 
March 19, 2019, 4 p.m. 24.9 ppb (23) 10.1 ppb (9) N/A 15.0 ppb (14) N/A N/A 12.0 ppb (9) N/A N/A N/A 23.0
 
March 19, 2019, 3 p.m. 32.5 ppb (30) 15.8 ppb (15) N/A 17.0 ppb (16) N/A N/A 5.0 ppb (4) N/A N/A N/A 30.0
 
March 19, 2019, 2 p.m. 39.8 ppb (37) 21.5 ppb (20) N/A 18.0 ppb (17) N/A N/A 1.0 ppb (1) N/A N/A N/A 37.0
 
March 19, 2019, 1 p.m. 28.5 ppb (26) 11.8 ppb (11) N/A 17.0 ppb (16) N/A N/A 5.0 ppb (4) N/A N/A N/A 26.0
 
March 19, 2019, noon 9.2 ppb (9) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 8.0 ppb (6) N/A N/A N/A 9.0
 
March 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 19, 2019, 10 a.m. 7.7 ppb (7) 0.2 ppb (0) N/A 8.0 ppb (7) N/A N/A 16.0 ppb (12) N/A N/A N/A 12.0
 
March 19, 2019, 9 a.m. 6.9 ppb (6) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 18.0 ppb (14) N/A N/A N/A 14.0
 
March 19, 2019, 8 a.m. 6.8 ppb (6) 0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) N/A N/A N/A 16.0
 
March 19, 2019, 7 a.m. 8.0 ppb (7) 0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 22.0 ppb (17) N/A N/A N/A 17.0
 
March 19, 2019, 6 a.m. 10.0 ppb (9) 0.2 ppb (0) N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) N/A N/A N/A 17.0
 
March 19, 2019, 5 a.m. 8.7 ppb (8) 0.2 ppb (0) N/A 9.0 ppb (8) N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
March 19, 2019, 4 a.m. 5.6 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
March 19, 2019, 3 a.m. 6.9 ppb (6) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
March 19, 2019, 2 a.m. 6.7 ppb (6) 0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 49.0 ppb (38) N/A N/A N/A 38.0
 
March 19, 2019, 1 a.m. 5.5 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 58.0 ppb (45) N/A N/A N/A 45.0
 
March 19, 2019, midnight 6.1 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 59.0 ppb (45) N/A N/A N/A 45.0
 
March 18, 2019, 11 p.m. 4.7 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 58.0 ppb (45) N/A N/A N/A 45.0
 
March 18, 2019, 10 p.m. 2.5 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) N/A N/A N/A 42.0
 
March 18, 2019, 9 p.m. 2.3 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A N/A 40.0
 
March 18, 2019, 8 p.m. 2.6 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A N/A N/A 39.0
 
March 18, 2019, 7 p.m. 3.9 ppb (4) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (36) N/A N/A N/A 36.0
 
March 18, 2019, 6 p.m. 6.4 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
March 18, 2019, 5 p.m. 9.0 ppb (8) 1.4 ppb (1) N/A 8.0 ppb (7) N/A N/A 12.0 ppb (9) N/A N/A N/A 9.0
 
March 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 18, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 18, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 17, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 17, 2019, 1 a.m. 6.7 ppb (6) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 51.0 ppb (39) N/A N/A N/A 39.0
 
March 17, 2019, midnight 2.4 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A N/A N/A 39.0
 
March 16, 2019, 11 p.m. 1.8 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) N/A N/A N/A 42.0
 
March 16, 2019, 10 p.m. 2.3 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (42) N/A N/A N/A 42.0
 
March 16, 2019, 9 p.m. 2.5 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A N/A N/A 39.0
 
March 16, 2019, 8 p.m. 2.9 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (37) N/A N/A N/A 37.0
 
March 16, 2019, 7 p.m. 4.2 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
March 16, 2019, 6 p.m. 6.2 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
March 16, 2019, 5 p.m. 7.9 ppb (7) 2.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0
 
March 16, 2019, 4 p.m. 13.8 ppb (13) 4.8 ppb (4) N/A 9.0 ppb (8) N/A N/A 18.0 ppb (14) N/A N/A N/A 14.0
 
March 16, 2019, 3 p.m. 23.4 ppb (22) 10.4 ppb (10) N/A 13.0 ppb (12) N/A N/A 7.0 ppb (5) N/A N/A N/A 22.0
 
March 16, 2019, 2 p.m. 157.0 ppb (111) 139.3 ppb (107) N/A 21.0 ppb (19) N/A N/A 1.0 ppb (1) N/A N/A N/A 111.0
 
March 16, 2019, 1 p.m. 13.9 ppb (13) 3.3 ppb (3) N/A 11.0 ppb (10) N/A N/A 4.0 ppb (3) N/A N/A N/A 13.0
 
March 16, 2019, noon 7.9 ppb (7) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 7.0 ppb (5) N/A N/A N/A 7.0
 
March 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 16, 2019, 10 a.m. 8.7 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 7.0 ppb (5) N/A N/A N/A 8.0
 
March 16, 2019, 9 a.m. 9.7 ppb (9) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 7.0 ppb (5) N/A N/A N/A 9.0
 
March 16, 2019, 8 a.m. 10.6 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (9) N/A N/A 8.0 ppb (6) N/A N/A N/A 10.0
 
March 16, 2019, 7 a.m. 13.0 ppb (12) 0.6 ppb (1) N/A 13.0 ppb (12) N/A N/A 9.0 ppb (7) N/A N/A N/A 12.0
 
March 16, 2019, 6 a.m. 10.7 ppb (10) 0.4 ppb (0) N/A 10.0 ppb (9) N/A N/A 13.0 ppb (10) N/A N/A N/A 10.0
 
March 16, 2019, 5 a.m. 10.1 ppb (9) 0.2 ppb (0) N/A 10.0 ppb (9) N/A N/A 18.0 ppb (14) N/A N/A N/A 14.0
 
March 16, 2019, 4 a.m. 6.7 ppb (6) 0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
March 16, 2019, 3 a.m. 6.9 ppb (6) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
March 16, 2019, 2 a.m. 4.1 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
March 16, 2019, 1 a.m. 2.1 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A N/A N/A 37.0
 
March 16, 2019, midnight 1.8 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A N/A 38.0
 
March 15, 2019, 11 p.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A N/A N/A 37.0
 
March 15, 2019, 10 p.m. 2.0 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A N/A N/A 37.0
 
March 15, 2019, 9 p.m. 3.9 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (37) N/A N/A N/A 37.0
 
March 15, 2019, 8 p.m. 6.9 ppb (6) 3.8 ppb (4) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
March 15, 2019, 7 p.m. 6.7 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
March 15, 2019, 6 p.m. 9.9 ppb (9) 3.0 ppb (3) N/A 7.0 ppb (6) N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
March 15, 2019, 5 p.m. 9.1 ppb (8) 2.8 ppb (3) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
March 15, 2019, 4 p.m. 17.9 ppb (17) 6.9 ppb (6) N/A 11.0 ppb (10) N/A N/A 18.0 ppb (14) N/A N/A N/A 17.0
 
March 15, 2019, 3 p.m. 46.8 ppb (43) 26.3 ppb (24) N/A 21.0 ppb (19) N/A N/A 4.0 ppb (3) N/A N/A N/A 43.0
 
March 15, 2019, 2 p.m. 55.2 ppb (51) 33.2 ppb (31) N/A 22.0 ppb (20) N/A N/A 1.0 ppb (1) N/A N/A N/A 51.0
 
March 15, 2019, 1 p.m. 46.8 ppb (43) 30.5 ppb (28) N/A 16.0 ppb (15) N/A N/A 3.0 ppb (2) N/A N/A N/A 43.0
 
March 15, 2019, noon 17.7 ppb (16) 5.1 ppb (5) N/A 13.0 ppb (12) N/A N/A 3.0 ppb (2) N/A N/A N/A 16.0
 
March 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 15, 2019, 10 a.m. 7.9 ppb (7) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 9.0 ppb (7) N/A N/A N/A 7.0
 
March 15, 2019, 9 a.m. 10.3 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (9) N/A N/A 8.0 ppb (6) N/A N/A N/A 10.0
 
March 15, 2019, 8 a.m. 10.8 ppb (10) 0.5 ppb (0) N/A 10.0 ppb (9) N/A N/A 9.0 ppb (7) N/A N/A N/A 10.0
 
March 15, 2019, 7 a.m. 12.1 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (10) N/A N/A 9.0 ppb (7) N/A N/A N/A 11.0