AQSQID: 060270002

Site Name: Ncore - White Mountain Research Station - Ovl

Location: Inyo Co, CA

Reporting: True, Located: True

Current AQI: 29.0

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
Sept. 21, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.12 ppb (1) 8.0 μg/m3 (7) 1.6 μg/m3 (7) 29.0
 
Sept. 21, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.12 ppb (1) 12.0 μg/m3 (11) 1.6 μg/m3 (7) 31.0
 
Sept. 20, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.11 ppb (1) 8.0 μg/m3 (7) 1.4 μg/m3 (6) 33.0
 
Sept. 20, 2019, 10 p.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) 1.4 μg/m3 (6) 32.0
 
Sept. 20, 2019, 9 p.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) 1.3 μg/m3 (5) 32.0
 
Sept. 20, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.12 ppb (1) 6.0 μg/m3 (5) 1.5 μg/m3 (6) 31.0
 
Sept. 20, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.12 ppb (1) 4.0 μg/m3 (4) 1.6 μg/m3 (7) 30.0
 
Sept. 20, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.12 ppb (1) 7.0 μg/m3 (6) 1.8 μg/m3 (8) 28.0
 
Sept. 20, 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) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 28.0
 
Sept. 20, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.12 ppb (1) 8.0 μg/m3 (7) 2.1 μg/m3 (9) 28.0
 
Sept. 20, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.12 ppb (1) 10.0 μg/m3 (9) 2.5 μg/m3 (10) 23.0
 
Sept. 20, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.13 ppb (1) 16.0 μg/m3 (15) 3.0 μg/m3 (12) 18.0
 
Sept. 20, 2019, 1 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) 2.2 μg/m3 (9) 21.0
 
Sept. 20, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.12 ppb (1) 8.0 μg/m3 (7) 2.2 μg/m3 (9) 22.0
 
Sept. 20, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.12 ppb (1) 9.0 μg/m3 (8) 2.2 μg/m3 (9) 22.0
 
Sept. 20, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.12 ppb (1) 6.0 μg/m3 (5) 1.7 μg/m3 (7) 24.0
 
Sept. 20, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.13 ppb (1) 7.0 μg/m3 (6) 1.8 μg/m3 (8) 26.0
 
Sept. 20, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.09 ppb (1) 10.0 μg/m3 (9) 1.8 μg/m3 (8) 27.0
 
Sept. 20, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) 13.0 μg/m3 (12) 1.7 μg/m3 (7) 26.0
 
Sept. 20, 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) 14.0 μg/m3 (13) 2.0 μg/m3 (8) 27.0
 
Sept. 20, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) 26.0 μg/m3 (24) 3.1 μg/m3 (13) 27.0
 
Sept. 20, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.11 ppb (1) 41.0 μg/m3 (37) 4.0 μg/m3 (17) 37.0
 
Sept. 20, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.11 ppb (1) 40.0 μg/m3 (36) 3.5 μg/m3 (15) 36.0
 
Sept. 20, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.1 ppb (1) 19.0 μg/m3 (17) 2.0 μg/m3 (8) 29.0
 
Sept. 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.09 ppb (1) 11.0 μg/m3 (10) 1.3 μg/m3 (5) 32.0
 
Sept. 20, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.09 ppb (1) 9.0 μg/m3 (8) 1.3 μg/m3 (5) 34.0
 
Sept. 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.09 ppb (1) 13.0 μg/m3 (12) 1.6 μg/m3 (7) 35.0
 
Sept. 19, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.08 ppb (1) 51.0 μg/m3 (46) 3.8 μg/m3 (16) 46.0
 
Sept. 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.09 ppb (1) 60.0 μg/m3 (52) 4.2 μg/m3 (18) 52.0
 
Sept. 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.08 ppb (1) 23.0 μg/m3 (21) 2.9 μg/m3 (12) 35.0
 
Sept. 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.09 ppb (1) 15.0 μg/m3 (14) 2.6 μg/m3 (11) 36.0
 
Sept. 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.09 ppb (1) 13.0 μg/m3 (12) 2.7 μg/m3 (11) 35.0
 
Sept. 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.09 ppb (1) 19.0 μg/m3 (17) 3.0 μg/m3 (12) 35.0
 
Sept. 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.09 ppb (1) 15.0 μg/m3 (14) 2.5 μg/m3 (10) 35.0
 
Sept. 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.09 ppb (1) 17.0 μg/m3 (15) 2.8 μg/m3 (12) 32.0
 
Sept. 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.09 ppb (1) 14.0 μg/m3 (13) 2.7 μg/m3 (11) 30.0
 
Sept. 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.09 ppb (1) 10.0 μg/m3 (9) 2.3 μg/m3 (10) 31.0
 
Sept. 19, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.09 ppb (1) 10.0 μg/m3 (9) 2.2 μg/m3 (9) 30.0
 
Sept. 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.08 ppb (1) 10.0 μg/m3 (9) 1.8 μg/m3 (8) 28.0
 
Sept. 19, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.07 ppb (1) 9.0 μg/m3 (8) 1.7 μg/m3 (7) 30.0
 
Sept. 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.08 ppb (1) 12.0 μg/m3 (11) 2.0 μg/m3 (8) 28.0
 
Sept. 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) 15.0 μg/m3 (14) 2.4 μg/m3 (10) 27.0
 
Sept. 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.12 ppb (1) 14.0 μg/m3 (13) 2.3 μg/m3 (10) 28.0
 
Sept. 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.12 ppb (1) 17.0 μg/m3 (15) 2.4 μg/m3 (10) 28.0
 
Sept. 19, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.12 ppb (1) 16.0 μg/m3 (15) 2.5 μg/m3 (10) 29.0
 
Sept. 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.12 ppb (1) 20.0 μg/m3 (18) 2.8 μg/m3 (12) 32.0
 
Sept. 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.12 ppb (1) 20.0 μg/m3 (18) 2.3 μg/m3 (10) 33.0
 
Sept. 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.12 ppb (1) 13.0 μg/m3 (12) 1.9 μg/m3 (8) 34.0
 
Sept. 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.11 ppb (1) 16.0 μg/m3 (15) 2.0 μg/m3 (8) 34.0
 
Sept. 19, 2019, midnight 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) 2.4 μg/m3 (10) 35.0
 
Sept. 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.11 ppb (1) 18.0 μg/m3 (16) 5.4 μg/m3 (23) 35.0
 
Sept. 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.12 ppb (1) 19.0 μg/m3 (17) 4.9 μg/m3 (20) 35.0
 
Sept. 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.12 ppb (1) 22.0 μg/m3 (20) 5.1 μg/m3 (21) 37.0
 
Sept. 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.12 ppb (1) 25.0 μg/m3 (23) 5.1 μg/m3 (21) 36.0
 
Sept. 18, 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
Sept. 18, 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
Sept. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 10.2 μg/m3 (42) 42.0
 
Sept. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 8.5 μg/m3 (35) 35.0
 
Sept. 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.14 ppb (2) 26.0 μg/m3 (24) 8.5 μg/m3 (35) 35.0
 
Sept. 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.14 ppb (2) 28.0 μg/m3 (25) 9.7 μg/m3 (40) 40.0
 
Sept. 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.14 ppb (2) 29.0 μg/m3 (26) 10.4 μg/m3 (43) 43.0
 
Sept. 18, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.13 ppb (1) 32.0 μg/m3 (29) 12.0 μg/m3 (50) 50.0
 
Sept. 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 13.3 μg/m3 (53) 53.0
 
Sept. 18, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.15 ppb (2) 38.0 μg/m3 (35) 16.5 μg/m3 (60) 60.0
 
Sept. 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.15 ppb (2) 39.0 μg/m3 (35) 16.6 μg/m3 (60) 60.0
 
Sept. 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.13 ppb (1) 39.0 μg/m3 (35) 16.3 μg/m3 (59) 59.0
 
Sept. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.14 ppb (2) 33.0 μg/m3 (30) 13.2 μg/m3 (53) 53.0
 
Sept. 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.12 ppb (1) 27.0 μg/m3 (25) 8.5 μg/m3 (35) 35.0
 
Sept. 18, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.12 ppb (1) 26.0 μg/m3 (24) 8.1 μg/m3 (34) 34.0
 
Sept. 18, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.12 ppb (1) 24.0 μg/m3 (22) 8.3 μg/m3 (35) 35.0
 
Sept. 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.13 ppb (1) 25.0 μg/m3 (23) 12.8 μg/m3 (52) 52.0
 
Sept. 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.14 ppb (2) 29.0 μg/m3 (26) 15.9 μg/m3 (58) 58.0
 
Sept. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.17 ppb (2) 45.0 μg/m3 (41) 26.0 μg/m3 (80) 80.0
 
Sept. 18, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.13 ppb (1) 24.0 μg/m3 (22) 10.9 μg/m3 (45) 45.0
 
Sept. 17, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.09 ppb (1) 8.0 μg/m3 (7) 1.7 μg/m3 (7) 37.0
 
Sept. 17, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.08 ppb (1) 9.0 μg/m3 (8) 1.9 μg/m3 (8) 40.0
 
Sept. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (44) 0.08 ppb (1) 7.0 μg/m3 (6) 1.7 μg/m3 (7) 44.0
 
Sept. 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (43) 0.09 ppb (1) 7.0 μg/m3 (6) 1.9 μg/m3 (8) 43.0
 
Sept. 17, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.09 ppb (1) 9.0 μg/m3 (8) 2.0 μg/m3 (8) 40.0
 
Sept. 17, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.09 ppb (1) 8.0 μg/m3 (7) 2.1 μg/m3 (9) 35.0
 
Sept. 17, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.1 ppb (1) 7.0 μg/m3 (6) 1.8 μg/m3 (8) 33.0
 
Sept. 17, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.1 ppb (1) 8.0 μg/m3 (7) 1.8 μg/m3 (8) 30.0
 
Sept. 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) 14.0 μg/m3 (13) 2.2 μg/m3 (9) 27.0
 
Sept. 17, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.1 ppb (1) 19.0 μg/m3 (17) 2.9 μg/m3 (12) 24.0
 
Sept. 17, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.09 ppb (1) 13.0 μg/m3 (12) 2.4 μg/m3 (10) 22.0
 
Sept. 17, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.09 ppb (1) 14.0 μg/m3 (13) 2.2 μg/m3 (9) 25.0
 
Sept. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.09 ppb (1) 9.0 μg/m3 (8) 2.0 μg/m3 (8) 27.0
 
Sept. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.09 ppb (1) 12.0 μg/m3 (11) 2.1 μg/m3 (9) 28.0
 
Sept. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.09 ppb (1) 13.0 μg/m3 (12) 2.3 μg/m3 (10) 32.0
 
Sept. 17, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.11 ppb (1) 15.0 μg/m3 (14) 2.1 μg/m3 (9) 32.0
 
Sept. 17, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.12 ppb (1) 15.0 μg/m3 (14) 2.3 μg/m3 (10) 31.0
 
Sept. 17, 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) 15.0 μg/m3 (14) 2.1 μg/m3 (9) 32.0
 
Sept. 17, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.13 ppb (1) 172.0 μg/m3 (108) 7.2 μg/m3 (30) 108.0
 
Sept. 17, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.12 ppb (1) 25.0 μg/m3 (23) 2.7 μg/m3 (11) 33.0
 
Sept. 17, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.12 ppb (1) 39.0 μg/m3 (35) 3.3 μg/m3 (14) 35.0
 
Sept. 17, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.1 ppb (1) 18.0 μg/m3 (16) 2.2 μg/m3 (9) 40.0
 
Sept. 17, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) 0.1 ppb (1) 19.0 μg/m3 (17) 2.3 μg/m3 (10) 42.0
 
Sept. 17, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.1 ppb (1) 14.0 μg/m3 (13) 2.2 μg/m3 (9) 39.0
 
Sept. 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) 16.0 μg/m3 (15) 2.2 μg/m3 (9) 37.0
 
Sept. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.08 ppb (1) 12.0 μg/m3 (11) 2.2 μg/m3 (9) 40.0
 
Sept. 16, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.08 ppb (1) 20.0 μg/m3 (18) 3.0 μg/m3 (12) 39.0
 
Sept. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.09 ppb (1) 26.0 μg/m3 (24) 4.2 μg/m3 (18) 37.0
 
Sept. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.08 ppb (1) 18.0 μg/m3 (16) 3.1 μg/m3 (13) 36.0
 
Sept. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.07 ppb (1) 14.0 μg/m3 (13) 2.3 μg/m3 (10) 37.0
 
Sept. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.1 ppb (1) 23.0 μg/m3 (21) 3.4 μg/m3 (14) 32.0
 
Sept. 16, 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) 29.0 μg/m3 (26) 5.4 μg/m3 (23) 26.0
 
Sept. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.13 ppb (1) 27.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.12 ppb (1) 27.0 μg/m3 (25) 6.2 μg/m3 (26) 26.0
 
Sept. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.12 ppb (1) 26.0 μg/m3 (24) 6.2 μg/m3 (26) 26.0
 
Sept. 16, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.12 ppb (1) 26.0 μg/m3 (24) 6.3 μg/m3 (26) 26.0
 
Sept. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.12 ppb (1) 27.0 μg/m3 (25) 6.7 μg/m3 (28) 28.0
 
Sept. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.13 ppb (1) 31.0 μg/m3 (28) 7.6 μg/m3 (32) 32.0
 
Sept. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.13 ppb (1) 30.0 μg/m3 (27) 7.3 μg/m3 (30) 30.0
 
Sept. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.14 ppb (2) 36.0 μg/m3 (33) 7.8 μg/m3 (32) 33.0
 
Sept. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.16 ppb (2) 35.0 μg/m3 (32) 7.8 μg/m3 (32) 36.0
 
Sept. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) 0.16 ppb (2) 35.0 μg/m3 (32) 8.0 μg/m3 (33) 42.0
 
Sept. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 60.0 ppb (46) 0.16 ppb (2) 34.0 μg/m3 (31) 7.6 μg/m3 (32) 46.0
 
Sept. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (45) 0.16 ppb (2) 41.0 μg/m3 (37) 7.8 μg/m3 (32) 45.0
 
Sept. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.15 ppb (2) 36.0 μg/m3 (33) 6.9 μg/m3 (29) 40.0
 
Sept. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.12 ppb (1) 21.0 μg/m3 (19) 4.6 μg/m3 (19) 38.0
 
Sept. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (42) 0.11 ppb (1) 17.0 μg/m3 (15) 4.1 μg/m3 (17) 42.0
 
Sept. 16, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (43) 0.11 ppb (1) 20.0 μg/m3 (18) 4.2 μg/m3 (18) 43.0
 
Sept. 15, 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) 18.0 μg/m3 (16) 4.3 μg/m3 (18) 44.0
 
Sept. 15, 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) 19.0 μg/m3 (17) 4.1 μg/m3 (17) 42.0
 
Sept. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (42) 0.11 ppb (1) 17.0 μg/m3 (15) 4.2 μg/m3 (18) 42.0
 
Sept. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (43) 0.12 ppb (1) 18.0 μg/m3 (16) 4.6 μg/m3 (19) 43.0
 
Sept. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (43) 0.13 ppb (1) 20.0 μg/m3 (18) 5.6 μg/m3 (23) 43.0
 
Sept. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.13 ppb (1) 20.0 μg/m3 (18) 5.6 μg/m3 (23) 38.0
 
Sept. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.13 ppb (1) 22.0 μg/m3 (20) 5.8 μg/m3 (24) 32.0
 
Sept. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.14 ppb (2) 25.0 μg/m3 (23) 6.1 μg/m3 (25) 28.0
 
Sept. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.13 ppb (1) 23.0 μg/m3 (21) 6.1 μg/m3 (25) 25.0
 
Sept. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.13 ppb (1) 25.0 μg/m3 (23) 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.11 ppb (1) 25.0 μg/m3 (23) 5.9 μg/m3 (25) 25.0
 
Sept. 15, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 6.1 μg/m3 (25) 25.0
 
Sept. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 5.9 μg/m3 (25) 25.0
 
Sept. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.12 ppb (1) 26.0 μg/m3 (24) 5.9 μg/m3 (25) 25.0
 
Sept. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.12 ppb (1) 25.0 μg/m3 (23) 5.8 μg/m3 (24) 24.0
 
Sept. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.11 ppb (1) 24.0 μg/m3 (22) 5.9 μg/m3 (25) 25.0
 
Sept. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.13 ppb (1) 27.0 μg/m3 (25) 6.4 μg/m3 (27) 27.0
 
Sept. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.12 ppb (1) 25.0 μg/m3 (23) 5.5 μg/m3 (23) 24.0
 
Sept. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.12 ppb (1) 23.0 μg/m3 (21) 5.4 μg/m3 (23) 34.0
 
Sept. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.12 ppb (1) 20.0 μg/m3 (18) 5.2 μg/m3 (22) 37.0
 
Sept. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.11 ppb (1) 21.0 μg/m3 (19) 4.9 μg/m3 (20) 34.0
 
Sept. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.11 ppb (1) 16.0 μg/m3 (15) 4.6 μg/m3 (19) 32.0
 
Sept. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.11 ppb (1) 16.0 μg/m3 (15) 4.2 μg/m3 (18) 34.0
 
Sept. 15, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.1 ppb (1) 21.0 μg/m3 (19) 4.6 μg/m3 (19) 35.0
 
Sept. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.1 ppb (1) 17.0 μg/m3 (15) 4.3 μg/m3 (18) 35.0
 
Sept. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.1 ppb (1) 19.0 μg/m3 (17) 4.3 μg/m3 (18) 36.0
 
Sept. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.1 ppb (1) 18.0 μg/m3 (16) 4.2 μg/m3 (18) 36.0
 
Sept. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.1 ppb (1) 16.0 μg/m3 (15) 4.1 μg/m3 (17) 35.0
 
Sept. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.12 ppb (1) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 36.0
 
Sept. 14, 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) 15.0 μg/m3 (14) 4.9 μg/m3 (20) 33.0
 
Sept. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.11 ppb (1) 15.0 μg/m3 (14) 4.8 μg/m3 (20) 29.0
 
Sept. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.11 ppb (1) 19.0 μg/m3 (17) 5.0 μg/m3 (21) 25.0
 
Sept. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.11 ppb (1) 23.0 μg/m3 (21) 5.4 μg/m3 (23) 23.0
 
Sept. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.11 ppb (1) 21.0 μg/m3 (19) 5.4 μg/m3 (23) 23.0
 
Sept. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 12.0 ppb (9) 0.11 ppb (1) 19.0 μg/m3 (17) 5.2 μg/m3 (22) 22.0
 
Sept. 14, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 12.0 ppb (9) 0.1 ppb (1) 23.0 μg/m3 (21) 5.5 μg/m3 (23) 23.0
 
Sept. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.1 ppb (1) 22.0 μg/m3 (20) 5.4 μg/m3 (23) 23.0
 
Sept. 14, 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) 24.0 μg/m3 (22) 5.4 μg/m3 (23) 23.0
 
Sept. 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) 5.4 μg/m3 (23) 23.0
 
Sept. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.11 ppb (1) 25.0 μg/m3 (23) 5.4 μg/m3 (23) 23.0
 
Sept. 14, 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) 23.0 μg/m3 (21) 5.6 μg/m3 (23) 23.0
 
Sept. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.13 ppb (1) 26.0 μg/m3 (24) 5.8 μg/m3 (24) 24.0
 
Sept. 14, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.13 ppb (1) 24.0 μg/m3 (22) 6.3 μg/m3 (26) 26.0
 
Sept. 14, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.12 ppb (1) 24.0 μg/m3 (22) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 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) 30.0 μg/m3 (27) 6.0 μg/m3 (25) 28.0
 
Sept. 14, 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) 23.0 μg/m3 (21) 5.7 μg/m3 (24) 32.0