AQSQID: 060270002

Site Name: Ncore - White Mountain Research Station - Ovl

Location: Inyo Co, CA

Reporting: True, Located: True

Current AQI: 43.0

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
May 20, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (43) 0.1 ppb (1) 7.0 μg/m3 (6) 0.8 μg/m3 (3) 43.0
 
May 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (45) 0.1 ppb (1) 7.0 μg/m3 (6) 1.0 μg/m3 (4) 45.0
 
May 20, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (45) 0.1 ppb (1) 5.0 μg/m3 (5) 0.8 μg/m3 (3) 45.0
 
May 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 60.0 ppb (46) 0.1 ppb (1) 18.0 μg/m3 (16) 2.0 μg/m3 (8) 46.0
 
May 19, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.11 ppb (1) 25.0 μg/m3 (23) 2.5 μg/m3 (10) 41.0
 
May 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.11 ppb (1) 48.0 μg/m3 (44) 4.4 μg/m3 (18) 44.0
 
May 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (42) 0.1 ppb (1) 25.0 μg/m3 (23) 2.8 μg/m3 (12) 42.0
 
May 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (42) 0.1 ppb (1) 12.0 μg/m3 (11) 1.9 μg/m3 (8) 42.0
 
May 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.1 ppb (1) 3.0 μg/m3 (3) 1.1 μg/m3 (5) 41.0
 
May 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.11 ppb (1) 4.0 μg/m3 (4) 0.8 μg/m3 (3) 39.0
 
May 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.11 ppb (1) 5.0 μg/m3 (5) 1.2 μg/m3 (5) 41.0
 
May 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.11 ppb (1) 5.0 μg/m3 (5) 1.5 μg/m3 (6) 38.0
 
May 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.12 ppb (1) 4.0 μg/m3 (4) 1.5 μg/m3 (6) 33.0
 
May 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.11 ppb (1) 9.0 μg/m3 (8) 1.5 μg/m3 (6) 40.0
 
May 19, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.11 ppb (1) 10.0 μg/m3 (9) 2.2 μg/m3 (9) 35.0
 
May 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.11 ppb (1) 10.0 μg/m3 (9) 2.4 μg/m3 (10) 32.0
 
May 19, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.11 ppb (1) 8.0 μg/m3 (7) 1.9 μg/m3 (8) 34.0
 
May 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.12 ppb (1) 8.0 μg/m3 (7) 1.0 μg/m3 (4) 31.0
 
May 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.09 ppb (1) 11.0 μg/m3 (10) 2.7 μg/m3 (11) 32.0
 
May 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.11 ppb (1) 13.0 μg/m3 (12) 2.3 μg/m3 (10) 35.0
 
May 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.12 ppb (1) 24.0 μg/m3 (22) 5.4 μg/m3 (23) 32.0
 
May 19, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.11 ppb (1) 32.0 μg/m3 (29) 7.1 μg/m3 (30) 32.0
 
May 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.12 ppb (1) 33.0 μg/m3 (30) 7.5 μg/m3 (31) 36.0
 
May 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (42) 0.12 ppb (1) 25.0 μg/m3 (23) 5.5 μg/m3 (23) 42.0
 
May 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (44) 0.13 ppb (1) 17.0 μg/m3 (15) 4.1 μg/m3 (17) 44.0
 
May 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) 0.12 ppb (1) 11.0 μg/m3 (10) 3.7 μg/m3 (15) 42.0
 
May 19, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (45) 0.12 ppb (1) 15.0 μg/m3 (14) 4.0 μg/m3 (17) 45.0
 
May 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (44) 0.11 ppb (1) 21.0 μg/m3 (19) 4.3 μg/m3 (18) 44.0
 
May 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (44) 0.11 ppb (1) 38.0 μg/m3 (35) 4.9 μg/m3 (20) 44.0
 
May 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.11 ppb (1) 28.0 μg/m3 (25) 4.2 μg/m3 (18) 40.0
 
May 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.1 ppb (1) 32.0 μg/m3 (29) 3.9 μg/m3 (16) 38.0
 
May 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.1 ppb (1) 37.0 μg/m3 (34) 3.5 μg/m3 (15) 35.0
 
May 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.11 ppb (1) 29.0 μg/m3 (26) 3.4 μg/m3 (14) 32.0
 
May 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.11 ppb (1) 18.0 μg/m3 (16) 2.8 μg/m3 (12) 32.0
 
May 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.11 ppb (1) 8.0 μg/m3 (7) 2.2 μg/m3 (9) 30.0
 
May 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.11 ppb (1) 6.0 μg/m3 (5) 2.3 μg/m3 (10) 26.0
 
May 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.1 ppb (1) 8.0 μg/m3 (7) 2.3 μg/m3 (10) 20.0
 
May 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.08 ppb (1) 8.0 μg/m3 (7) 2.4 μg/m3 (10) 12.0
 
May 18, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 2.3 μg/m3 (10) 10.0
 
May 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 2.2 μg/m3 (9) 9.0
 
May 18, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.1 ppb (1) 8.0 μg/m3 (7) 2.2 μg/m3 (9) 20.0
 
May 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) 7.0 μg/m3 (6) 2.1 μg/m3 (9) 22.0
 
May 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.09 ppb (1) 7.0 μg/m3 (6) 1.9 μg/m3 (8) 25.0
 
May 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.1 ppb (1) 8.0 μg/m3 (7) 1.5 μg/m3 (6) 25.0
 
May 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) 7.0 μg/m3 (6) 1.0 μg/m3 (4) 27.0
 
May 18, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.1 ppb (1) 10.0 μg/m3 (9) 1.1 μg/m3 (5) 28.0
 
May 18, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) 13.0 μg/m3 (12) 1.3 μg/m3 (5) 22.0
 
May 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.11 ppb (1) 17.0 μg/m3 (15) 1.7 μg/m3 (7) 25.0
 
May 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.11 ppb (1) 7.0 μg/m3 (6) 1.0 μg/m3 (4) 31.0
 
May 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.1 ppb (1) 4.0 μg/m3 (4) 0.9 μg/m3 (4) 33.0
 
May 18, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.1 ppb (1) 6.0 μg/m3 (5) 0.8 μg/m3 (3) 38.0
 
May 17, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.1 ppb (1) 3.0 μg/m3 (3) 0.8 μg/m3 (3) 38.0
 
May 17, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.1 ppb (1) 2.0 μg/m3 (2) 0.7 μg/m3 (3) 38.0
 
May 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.1 ppb (1) 4.0 μg/m3 (4) 0.7 μg/m3 (3) 37.0
 
May 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.1 ppb (1) 2.0 μg/m3 (2) 0.6 μg/m3 (2) 36.0
 
May 17, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.1 ppb (1) 2.0 μg/m3 (2) 0.6 μg/m3 (2) 36.0
 
May 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 0.5 μg/m3 (2) 3.0
 
May 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 0.5 μg/m3 (2) 5.0
 
May 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 0.5 μg/m3 (2) 3.0
 
May 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.12 ppb (1) 2.0 μg/m3 (2) 0.7 μg/m3 (3) 26.0
 
May 17, 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) 3.0 μg/m3 (3) 0.9 μg/m3 (4) 12.0
 
May 17, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 12.0 ppb (9) 0.09 ppb (1) 4.0 μg/m3 (4) 0.7 μg/m3 (3) 9.0
 
May 17, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.09 ppb (1) 2.0 μg/m3 (2) 0.7 μg/m3 (3) 10.0
 
May 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.1 ppb (1) 2.0 μg/m3 (2) 0.5 μg/m3 (2) 12.0
 
May 17, 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) 2.0 μg/m3 (2) 0.5 μg/m3 (2) 14.0
 
May 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.1 ppb (1) 3.0 μg/m3 (3) 0.5 μg/m3 (2) 11.0
 
May 17, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.09 ppb (1) 3.0 μg/m3 (3) 0.4 μg/m3 (2) 19.0
 
May 17, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.11 ppb (1) 2.0 μg/m3 (2) 0.4 μg/m3 (2) 24.0
 
May 17, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.11 ppb (1) 2.0 μg/m3 (2) 0.5 μg/m3 (2) 26.0
 
May 17, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.11 ppb (1) 3.0 μg/m3 (3) 0.5 μg/m3 (2) 29.0
 
May 17, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.11 ppb (1) 3.0 μg/m3 (3) 0.6 μg/m3 (2) 31.0
 
May 17, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.11 ppb (1) 3.0 μg/m3 (3) 0.5 μg/m3 (2) 32.0
 
May 17, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.11 ppb (1) 5.0 μg/m3 (5) 0.7 μg/m3 (3) 36.0
 
May 17, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.11 ppb (1) 6.0 μg/m3 (5) 1.2 μg/m3 (5) 38.0
 
May 17, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.11 ppb (1) 6.0 μg/m3 (5) 1.1 μg/m3 (5) 39.0
 
May 16, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (43) 0.11 ppb (1) 11.0 μg/m3 (10) 2.3 μg/m3 (10) 43.0
 
May 16, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 61.0 ppb (47) 0.11 ppb (1) 9.0 μg/m3 (8) 3.6 μg/m3 (15) 47.0
 
May 16, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 61.0 ppb (47) 0.1 ppb (1) 12.0 μg/m3 (11) 3.7 μg/m3 (15) 47.0
 
May 16, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 60.0 ppb (46) 0.1 ppb (1) 15.0 μg/m3 (14) 3.9 μg/m3 (16) 46.0
 
May 16, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (45) 0.11 ppb (1) 14.0 μg/m3 (13) 3.5 μg/m3 (15) 45.0
 
May 16, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.12 ppb (1) 8.0 μg/m3 (7) 2.3 μg/m3 (10) 33.0
 
May 16, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.12 ppb (1) 7.0 μg/m3 (6) 2.4 μg/m3 (10) 32.0
 
May 16, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.12 ppb (1) 8.0 μg/m3 (7) 2.8 μg/m3 (12) 35.0
 
May 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.12 ppb (1) 9.0 μg/m3 (8) 3.5 μg/m3 (15) 26.0
 
May 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.12 ppb (1) 14.0 μg/m3 (13) 5.2 μg/m3 (22) 22.0
 
May 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.12 ppb (1) 15.0 μg/m3 (14) 5.5 μg/m3 (23) 23.0
 
May 16, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.12 ppb (1) 11.0 μg/m3 (10) 3.8 μg/m3 (16) 24.0
 
May 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.11 ppb (1) 22.0 μg/m3 (20) 5.4 μg/m3 (23) 29.0
 
May 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.12 ppb (1) 46.0 μg/m3 (42) 7.0 μg/m3 (29) 42.0
 
May 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.12 ppb (1) 47.0 μg/m3 (43) 7.2 μg/m3 (30) 43.0
 
May 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.08 ppb (1) 57.0 μg/m3 (51) 7.9 μg/m3 (33) 51.0
 
May 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.09 ppb (1) 41.0 μg/m3 (37) 7.2 μg/m3 (30) 37.0
 
May 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.09 ppb (1) 50.0 μg/m3 (45) 8.0 μg/m3 (33) 45.0
 
May 16, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.09 ppb (1) 37.0 μg/m3 (34) 6.7 μg/m3 (28) 38.0
 
May 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.09 ppb (1) 42.0 μg/m3 (38) 6.4 μg/m3 (27) 39.0
 
May 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.08 ppb (1) 36.0 μg/m3 (33) 6.1 μg/m3 (25) 39.0
 
May 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.08 ppb (1) 17.0 μg/m3 (15) 4.6 μg/m3 (19) 38.0
 
May 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.07 ppb (1) 21.0 μg/m3 (19) 4.6 μg/m3 (19) 40.0
 
May 16, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (43) 0.08 ppb (1) 26.0 μg/m3 (24) 5.2 μg/m3 (22) 43.0
 
May 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (42) 0.08 ppb (1) 27.0 μg/m3 (25) 5.6 μg/m3 (23) 42.0
 
May 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (42) 0.07 ppb (1) 36.0 μg/m3 (33) 5.6 μg/m3 (23) 42.0
 
May 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) 0.07 ppb (1) 49.0 μg/m3 (45) 5.9 μg/m3 (25) 45.0
 
May 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (43) 0.08 ppb (1) 43.0 μg/m3 (39) 6.0 μg/m3 (25) 43.0
 
May 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (43) 0.09 ppb (1) 40.0 μg/m3 (36) 6.5 μg/m3 (27) 43.0
 
May 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) 0.09 ppb (1) 30.0 μg/m3 (27) 6.0 μg/m3 (25) 42.0
 
May 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.1 ppb (1) 39.0 μg/m3 (35) 6.7 μg/m3 (28) 41.0
 
May 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.1 ppb (1) 23.0 μg/m3 (21) 6.6 μg/m3 (28) 37.0
 
May 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.11 ppb (1) 22.0 μg/m3 (20) 6.8 μg/m3 (28) 31.0
 
May 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.11 ppb (1) 21.0 μg/m3 (19) 6.9 μg/m3 (29) 29.0
 
May 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.1 ppb (1) 22.0 μg/m3 (20) 6.7 μg/m3 (28) 29.0
 
May 15, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.09 ppb (1) 22.0 μg/m3 (20) 6.3 μg/m3 (26) 35.0
 
May 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 6.3 μg/m3 (26) 26.0
 
May 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.1 ppb (1) 20.0 μg/m3 (18) 6.1 μg/m3 (25) 37.0
 
May 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.1 ppb (1) 23.0 μg/m3 (21) 6.2 μg/m3 (26) 40.0
 
May 15, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.09 ppb (1) 22.0 μg/m3 (20) 5.9 μg/m3 (25) 39.0
 
May 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.11 ppb (1) 20.0 μg/m3 (18) 5.7 μg/m3 (24) 38.0
 
May 15, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.11 ppb (1) 23.0 μg/m3 (21) 5.7 μg/m3 (24) 39.0
 
May 15, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.1 ppb (1) 23.0 μg/m3 (21) 5.4 μg/m3 (23) 40.0
 
May 15, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.1 ppb (1) 19.0 μg/m3 (17) 4.9 μg/m3 (20) 38.0
 
May 15, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.1 ppb (1) 18.0 μg/m3 (16) 5.0 μg/m3 (21) 37.0
 
May 15, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.11 ppb (1) 20.0 μg/m3 (18) 6.3 μg/m3 (26) 38.0
 
May 15, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.11 ppb (1) 26.0 μg/m3 (24) 7.8 μg/m3 (32) 41.0
 
May 15, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) 0.11 ppb (1) 21.0 μg/m3 (19) 7.7 μg/m3 (32) 42.0
 
May 14, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) 0.12 ppb (1) 21.0 μg/m3 (19) 8.1 μg/m3 (34) 42.0
 
May 14, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) 0.11 ppb (1) 21.0 μg/m3 (19) 7.6 μg/m3 (32) 42.0
 
May 14, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (43) 0.12 ppb (1) 24.0 μg/m3 (22) 7.7 μg/m3 (32) 43.0
 
May 14, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (44) 0.12 ppb (1) 23.0 μg/m3 (21) 8.1 μg/m3 (34) 44.0
 
May 14, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) 0.13 ppb (1) 24.0 μg/m3 (22) 8.5 μg/m3 (35) 42.0
 
May 14, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.12 ppb (1) 17.0 μg/m3 (15) 6.9 μg/m3 (29) 38.0
 
May 14, 2019, 5 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
 
May 14, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.12 ppb (1) 21.0 μg/m3 (19) 6.4 μg/m3 (27) 33.0
 
May 14, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.12 ppb (1) 15.0 μg/m3 (14) 6.3 μg/m3 (26) 28.0
 
May 14, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.11 ppb (1) 21.0 μg/m3 (19) 6.9 μg/m3 (29) 29.0
 
May 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (8) 0.1 ppb (1) 24.0 μg/m3 (22) 6.7 μg/m3 (28) 28.0
 
May 14, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.09 ppb (1) 19.0 μg/m3 (17) 6.8 μg/m3 (28) 28.0
 
May 14, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (8) 0.1 ppb (1) 18.0 μg/m3 (16) 6.7 μg/m3 (28) 28.0
 
May 14, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 11.0 ppb (8) 0.1 ppb (1) 19.0 μg/m3 (17) 6.8 μg/m3 (28) 28.0
 
May 14, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.1 ppb (1) 22.0 μg/m3 (20) 6.7 μg/m3 (28) 28.0
 
May 14, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.1 ppb (1) 22.0 μg/m3 (20) 6.9 μg/m3 (29) 29.0
 
May 14, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.13 ppb (1) 19.0 μg/m3 (17) 6.6 μg/m3 (28) 28.0
 
May 14, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.13 ppb (1) 20.0 μg/m3 (18) 6.6 μg/m3 (28) 28.0
 
May 14, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.13 ppb (1) 18.0 μg/m3 (16) 6.2 μg/m3 (26) 30.0
 
May 14, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.13 ppb (1) 20.0 μg/m3 (18) 6.1 μg/m3 (25) 38.0
 
May 14, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.12 ppb (1) 24.0 μg/m3 (22) 6.0 μg/m3 (25) 39.0
 
May 14, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) 0.12 ppb (1) 15.0 μg/m3 (14) 5.5 μg/m3 (23) 42.0
 
May 14, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (45) 0.12 ppb (1) 31.0 μg/m3 (28) 6.5 μg/m3 (27) 45.0
 
May 14, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (42) 0.13 ppb (1) 21.0 μg/m3 (19) 6.4 μg/m3 (27) 42.0
 
May 13, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (42) 0.12 ppb (1) 17.0 μg/m3 (15) 5.9 μg/m3 (25) 42.0
 
May 13, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) 0.12 ppb (1) 17.0 μg/m3 (15) 5.6 μg/m3 (23) 42.0
 
May 13, 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) 19.0 μg/m3 (17) 5.6 μg/m3 (23) 41.0
 
May 13, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.13 ppb (1) 15.0 μg/m3 (14) 5.4 μg/m3 (23) 40.0
 
May 13, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.14 ppb (2) 16.0 μg/m3 (15) 6.2 μg/m3 (26) 39.0
 
May 13, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.14 ppb (2) 17.0 μg/m3 (15) 6.9 μg/m3 (29) 38.0
 
May 13, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.15 ppb (2) 18.0 μg/m3 (16) 7.5 μg/m3 (31) 36.0
 
May 13, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.15 ppb (2) 17.0 μg/m3 (15) 7.5 μg/m3 (31) 33.0
 
May 13, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.15 ppb (2) 18.0 μg/m3 (16) 7.7 μg/m3 (32) 32.0
 
May 13, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.14 ppb (2) 19.0 μg/m3 (17) 7.8 μg/m3 (32) 32.0
 
May 13, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 11.0 ppb (8) 0.12 ppb (1) 17.0 μg/m3 (15) 7.5 μg/m3 (31) 31.0
 
May 13, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 11.0 ppb (8) 0.12 ppb (1) 17.0 μg/m3 (15) 7.7 μg/m3 (32) 32.0
 
May 13, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 12.0 ppb (9) 0.12 ppb (1) 20.0 μg/m3 (18) 7.9 μg/m3 (33) 33.0
 
May 13, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 12.0 ppb (9) 0.13 ppb (1) 19.0 μg/m3 (17) 8.0 μg/m3 (33) 33.0
 
May 13, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 9.0 ppb (7) 0.12 ppb (1) 20.0 μg/m3 (18) 7.6 μg/m3 (32) 32.0
 
May 13, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 8.0 ppb (6) 0.1 ppb (1) 18.0 μg/m3 (16) 6.7 μg/m3 (28) 28.0
 
May 13, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.12 ppb (1) 19.0 μg/m3 (17) 6.5 μg/m3 (27) 27.0
 
May 13, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.12 ppb (1) 18.0 μg/m3 (16) 5.9 μg/m3 (25) 25.0
 
May 13, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.13 ppb (1) 18.0 μg/m3 (16) 5.3 μg/m3 (22) 22.0
 
May 13, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.13 ppb (1) 17.0 μg/m3 (15) 5.0 μg/m3 (21) 22.0
 
May 13, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.14 ppb (2) 17.0 μg/m3 (15) 4.9 μg/m3 (20) 27.0