AQSQID: 060270002

Site Name: Ncore - White Mountain Research Station - Ovl

Location: Inyo Co, CA

Reporting: True, Located: True

Current AQI: 40.0

Inyo Co CA, US: 37.360684, -118.330783

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 20, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.14 ppb (2) N/A N/A 40.0
 
March 20, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.14 ppb (2) N/A N/A 40.0
 
March 20, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.15 ppb (2) N/A N/A 38.0
 
March 20, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.15 ppb (2) N/A N/A 37.0
 
March 20, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.15 ppb (2) N/A N/A 34.0
 
March 20, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.15 ppb (2) N/A N/A 32.0
 
March 20, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.15 ppb (2) N/A N/A 30.0
 
March 20, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.15 ppb (2) N/A N/A 33.0
 
March 20, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.14 ppb (2) N/A N/A 34.0
 
March 20, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.15 ppb (2) N/A N/A 35.0
 
March 20, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.14 ppb (2) N/A N/A 34.0
 
March 20, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.14 ppb (2) N/A N/A 35.0
 
March 20, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.12 ppb (1) N/A N/A 35.0
 
March 20, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.13 ppb (1) N/A N/A 33.0
 
March 20, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.14 ppb (2) N/A N/A 32.0
 
March 20, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.13 ppb (1) N/A N/A 35.0
 
March 20, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.13 ppb (1) N/A N/A 37.0
 
March 20, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.12 ppb (1) N/A N/A 37.0
 
March 20, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.11 ppb (1) N/A N/A 38.0
 
March 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.11 ppb (1) N/A N/A 38.0
 
March 20, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.11 ppb (1) N/A N/A 38.0
 
March 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.11 ppb (1) N/A N/A 38.0
 
March 19, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.11 ppb (1) N/A N/A 38.0
 
March 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.11 ppb (1) N/A N/A 38.0
 
March 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.14 ppb (2) N/A N/A 39.0
 
March 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.12 ppb (1) N/A N/A 37.0
 
March 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.12 ppb (1) N/A N/A 32.0
 
March 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.12 ppb (1) N/A N/A 29.0
 
March 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.12 ppb (1) N/A N/A 25.0
 
March 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.11 ppb (1) N/A N/A 15.0
 
March 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.1 ppb (1) N/A N/A 11.0
 
March 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.1 ppb (1) N/A N/A 12.0
 
March 19, 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 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. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.1 ppb (1) N/A N/A 14.0
 
March 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.1 ppb (1) N/A N/A 13.0
 
March 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.09 ppb (1) N/A N/A 13.0
 
March 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.11 ppb (1) N/A N/A 15.0
 
March 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.12 ppb (1) N/A N/A 18.0
 
March 19, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.11 ppb (1) N/A N/A 17.0
 
March 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.11 ppb (1) N/A N/A 22.0
 
March 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.11 ppb (1) N/A N/A 28.0
 
March 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.11 ppb (1) N/A N/A 30.0
 
March 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.11 ppb (1) N/A N/A 36.0
 
March 19, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.11 ppb (1) N/A N/A 38.0
 
March 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.11 ppb (1) N/A N/A 38.0
 
March 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.11 ppb (1) N/A N/A 38.0
 
March 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.11 ppb (1) N/A N/A 38.0
 
March 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.11 ppb (1) N/A N/A 38.0
 
March 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.11 ppb (1) N/A N/A 36.0
 
March 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.11 ppb (1) N/A N/A 33.0
 
March 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.11 ppb (1) N/A N/A 30.0
 
March 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.11 ppb (1) N/A N/A 21.0
 
March 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.11 ppb (1) N/A N/A 17.0
 
March 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.09 ppb (1) N/A N/A 10.0
 
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.1 ppb (1) N/A N/A 10.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.09 ppb (1) N/A N/A 12.0
 
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.1 ppb (1) N/A N/A 10.0
 
March 18, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.1 ppb (1) N/A N/A 12.0
 
March 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.1 ppb (1) N/A N/A 12.0
 
March 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.09 ppb (1) N/A N/A 13.0
 
March 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.11 ppb (1) N/A N/A 12.0
 
March 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.11 ppb (1) N/A N/A 15.0
 
March 18, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.12 ppb (1) N/A N/A 25.0
 
March 18, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.11 ppb (1) N/A N/A 19.0
 
March 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.11 ppb (1) N/A N/A 23.0
 
March 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.11 ppb (1) N/A N/A 27.0
 
March 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.11 ppb (1) N/A N/A 35.0
 
March 18, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.11 ppb (1) N/A N/A 37.0
 
March 17, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.11 ppb (1) N/A N/A 37.0
 
March 17, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.11 ppb (1) N/A N/A 37.0
 
March 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.11 ppb (1) N/A N/A 36.0
 
March 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.11 ppb (1) N/A N/A 35.0
 
March 17, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.11 ppb (1) N/A N/A 35.0
 
March 17, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.11 ppb (1) N/A N/A 33.0
 
March 17, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.12 ppb (1) N/A N/A 28.0
 
March 17, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.11 ppb (1) N/A N/A 22.0
 
March 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.1 ppb (1) N/A N/A 16.0
 
March 17, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.09 ppb (1) N/A N/A 11.0
 
March 17, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.09 ppb (1) N/A N/A 11.0
 
March 17, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.08 ppb (1) N/A N/A 11.0
 
March 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.09 ppb (1) N/A N/A 14.0
 
March 17, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.09 ppb (1) N/A N/A 15.0
 
March 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.09 ppb (1) N/A N/A 14.0
 
March 17, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.1 ppb (1) N/A N/A 12.0
 
March 17, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.13 ppb (1) N/A N/A 15.0
 
March 17, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.14 ppb (2) N/A N/A 14.0
 
March 17, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.15 ppb (2) N/A N/A 21.0
 
March 17, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.13 ppb (1) N/A N/A 23.0
 
March 17, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.13 ppb (1) N/A N/A 27.0
 
March 17, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.13 ppb (1) N/A N/A 28.0
 
March 17, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.13 ppb (1) N/A N/A 34.0
 
March 17, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.12 ppb (1) N/A N/A 36.0
 
March 16, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.13 ppb (1) N/A N/A 37.0
 
March 16, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.13 ppb (1) N/A N/A 37.0
 
March 16, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.13 ppb (1) N/A N/A 37.0
 
March 16, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.13 ppb (1) N/A N/A 38.0
 
March 16, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.13 ppb (1) N/A N/A 38.0
 
March 16, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.13 ppb (1) N/A N/A 38.0
 
March 16, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.14 ppb (2) N/A N/A 34.0
 
March 16, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.14 ppb (2) N/A N/A 29.0
 
March 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.12 ppb (1) N/A N/A 22.0
 
March 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.1 ppb (1) N/A N/A 14.0
 
March 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.1 ppb (1) N/A N/A 16.0
 
March 16, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.1 ppb (1) N/A N/A 16.0
 
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. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.1 ppb (1) N/A N/A 15.0
 
March 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.11 ppb (1) N/A N/A 13.0
 
March 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.1 ppb (1) N/A N/A 14.0
 
March 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.12 ppb (1) N/A N/A 14.0
 
March 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.13 ppb (1) N/A N/A 18.0
 
March 16, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.14 ppb (2) N/A N/A 25.0
 
March 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.14 ppb (2) N/A N/A 31.0
 
March 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.14 ppb (2) N/A N/A 32.0
 
March 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.12 ppb (1) N/A N/A 32.0
 
March 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.14 ppb (2) N/A N/A 39.0
 
March 16, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.12 ppb (1) N/A N/A 41.0
 
March 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (42) 0.13 ppb (1) N/A N/A 42.0
 
March 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.13 ppb (1) 4.0 μg/m3 (4) 0.7 μg/m3 (3) 41.0
 
March 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.13 ppb (1) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 41.0
 
March 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.13 ppb (1) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 41.0
 
March 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.13 ppb (1) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 39.0
 
March 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.13 ppb (1) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 38.0
 
March 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.13 ppb (1) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 35.0
 
March 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.13 ppb (1) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 29.0
 
March 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.12 ppb (1) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 21.0
 
March 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.1 ppb (1) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 12.0
 
March 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.1 ppb (1) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 15.0
 
March 15, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.11 ppb (1) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 20.0
 
March 15, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.11 ppb (1) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 15.0
 
March 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.1 ppb (1) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 15.0
 
March 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.1 ppb (1) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 12.0
 
March 15, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.11 ppb (1) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 18.0
 
March 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.13 ppb (1) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 17.0
 
March 15, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.11 ppb (1) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 15.0
 
March 15, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.12 ppb (1) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 22.0
 
March 15, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.12 ppb (1) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 28.0
 
March 15, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.13 ppb (1) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 36.0
 
March 15, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.13 ppb (1) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 36.0
 
March 15, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.13 ppb (1) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 41.0
 
March 15, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (42) 0.13 ppb (1) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 42.0
 
March 14, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) 0.13 ppb (1) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 42.0
 
March 14, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.13 ppb (1) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 41.0
 
March 14, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.14 ppb (2) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 40.0
 
March 14, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.14 ppb (2) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 38.0
 
March 14, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.14 ppb (2) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 38.0
 
March 14, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.14 ppb (2) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 35.0
 
March 14, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.15 ppb (2) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 35.0
 
March 14, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.14 ppb (2) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 33.0
 
March 14, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.15 ppb (2) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 32.0
 
March 14, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.14 ppb (2) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 30.0
 
March 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.14 ppb (2) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 28.0
 
March 14, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.14 ppb (2) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 28.0
 
March 14, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.14 ppb (2) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 29.0
 
March 14, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.14 ppb (2) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 30.0
 
March 14, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.14 ppb (2) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 29.0
 
March 14, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.12 ppb (1) 7.0 μg/m3 (6) 1.2 μg/m3 (5) 32.0
 
March 14, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.14 ppb (2) 5.0 μg/m3 (5) 1.2 μg/m3 (5) 31.0
 
March 14, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.15 ppb (2) 4.0 μg/m3 (4) 1.3 μg/m3 (5) 32.0
 
March 14, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.15 ppb (2) 5.0 μg/m3 (5) 1.1 μg/m3 (5) 33.0
 
March 14, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.15 ppb (2) 4.0 μg/m3 (4) 1.2 μg/m3 (5) 33.0
 
March 14, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.15 ppb (2) 6.0 μg/m3 (5) 1.7 μg/m3 (7) 33.0
 
March 14, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.14 ppb (2) 7.0 μg/m3 (6) 1.4 μg/m3 (6) 36.0
 
March 14, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.14 ppb (2) 6.0 μg/m3 (5) 1.3 μg/m3 (5) 38.0
 
March 14, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.14 ppb (2) 8.0 μg/m3 (7) 1.2 μg/m3 (5) 38.0
 
March 13, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.13 ppb (1) 34.0 μg/m3 (31) 2.7 μg/m3 (11) 38.0
 
March 13, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.14 ppb (2) 15.0 μg/m3 (14) 1.6 μg/m3 (7) 39.0
 
March 13, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.14 ppb (2) 16.0 μg/m3 (15) 1.6 μg/m3 (7) 38.0