ID: 135

AQSQID: 060290007

Site Name: Edison

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

Updated: Sept. 20, 2021, 4 p.m.

Location: Edison (Edison Hwy), CA

Reporting: True, Located: True

Current AQI: 19.0

Edison (Edison Hwy) CA, US: 35.345607, -118.851825

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 20, 2021, 2 p.m. 7.7 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (7) N/A N/A 20.0 ppb (19) N/A N/A N/A 19.0
 
Sept. 20, 2021, 1 p.m. 26.9 ppb (26) 11.3 ppb (11) N/A 16.0 ppb (16) N/A N/A 14.0 ppb (13) N/A N/A N/A 26.0
 
Sept. 20, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 20, 2021, 11 a.m. 10.1 ppb (10) 0.2 ppb (1) N/A 10.0 ppb (10) N/A N/A 18.0 ppb (17) N/A N/A N/A 17.0
 
Sept. 20, 2021, 10 a.m. 11.6 ppb (11) 0.6 ppb (1) N/A 11.0 ppb (11) N/A N/A 18.0 ppb (17) N/A N/A N/A 17.0
 
Sept. 20, 2021, 9 a.m. 12.3 ppb (12) 2.6 ppb (3) N/A 10.0 ppb (10) N/A N/A 18.0 ppb (17) N/A N/A N/A 17.0
 
Sept. 20, 2021, 8 a.m. 17.1 ppb (17) 4.5 ppb (5) N/A 13.0 ppb (13) N/A N/A 16.0 ppb (15) N/A N/A N/A 17.0
 
Sept. 20, 2021, 7 a.m. 4.2 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 20, 2021, 6 a.m. 1.7 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A N/A N/A 35.0
 
Sept. 20, 2021, 4 a.m. 1.5 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A N/A N/A 33.0
 
Sept. 20, 2021, 2 a.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A N/A N/A 35.0
 
Sept. 20, 2021, 1 a.m. 1.2 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A N/A 37.0
 
Sept. 20, 2021, midnight 1.3 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) N/A N/A N/A 36.0
 
Sept. 19, 2021, 11 p.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A N/A N/A 35.0
 
Sept. 19, 2021, 10 p.m. 1.8 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A N/A 37.0
 
Sept. 19, 2021, 9 p.m. 2.0 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A N/A N/A 37.0
 
Sept. 19, 2021, 8 p.m. 2.6 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A N/A N/A 38.0
 
Sept. 19, 2021, 7 p.m. 3.5 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
Sept. 19, 2021, 6 p.m. 3.6 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) N/A N/A N/A 36.0
 
Sept. 19, 2021, 5 p.m. 2.9 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 19, 2021, 4 p.m. 3.6 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (23) N/A N/A N/A 23.0
 
Sept. 19, 2021, 3 p.m. 6.5 ppb (7) 2.3 ppb (3) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (19) N/A N/A N/A 19.0
 
Sept. 19, 2021, 2 p.m. 9.7 ppb (10) 2.8 ppb (3) N/A 7.0 ppb (7) N/A N/A 11.0 ppb (11) N/A N/A N/A 11.0
 
Sept. 19, 2021, 1 p.m. 8.9 ppb (9) 1.8 ppb (2) N/A 7.0 ppb (7) N/A N/A 10.0 ppb (10) N/A N/A N/A 10.0
 
Sept. 19, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 19, 2021, 11 a.m. 5.2 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (18) N/A N/A N/A 18.0
 
Sept. 19, 2021, 10 a.m. 9.8 ppb (10) 2.3 ppb (3) N/A 8.0 ppb (8) N/A N/A 18.0 ppb (17) N/A N/A N/A 17.0
 
Sept. 19, 2021, 9 a.m. 8.7 ppb (9) 0.4 ppb (1) N/A 8.0 ppb (8) N/A N/A 20.0 ppb (19) N/A N/A N/A 19.0
 
Sept. 19, 2021, 8 a.m. 8.7 ppb (9) 0.4 ppb (1) N/A 8.0 ppb (8) N/A N/A 22.0 ppb (21) N/A N/A N/A 21.0
 
Sept. 19, 2021, 7 a.m. 8.1 ppb (8) 0.3 ppb (1) N/A 8.0 ppb (8) N/A N/A 26.0 ppb (25) N/A N/A N/A 25.0
 
Sept. 19, 2021, 6 a.m. 7.8 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
Sept. 19, 2021, 5 a.m. 9.9 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (10) N/A N/A 42.0 ppb (39) N/A N/A N/A 39.0
 
Sept. 19, 2021, 4 a.m. 2.6 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 56.0 ppb (55) N/A N/A N/A 55.0
 
Sept. 19, 2021, 3 a.m. 3.4 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Sept. 19, 2021, 2 a.m. 3.2 ppb (4) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 52.0 ppb (49) N/A N/A N/A 49.0
 
Sept. 19, 2021, 1 a.m. 2.0 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 64.0 ppb (81) N/A N/A N/A 81.0
 
Sept. 19, 2021, midnight 1.8 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 65.0 ppb (84) N/A N/A N/A 84.0
 
Sept. 18, 2021, 11 p.m. 2.3 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 67.0 ppb (91) N/A N/A N/A 91.0
 
Sept. 18, 2021, 10 p.m. 2.6 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 66.0 ppb (87) N/A N/A N/A 87.0
 
Sept. 18, 2021, 9 p.m. 2.8 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 66.0 ppb (87) N/A N/A N/A 87.0
 
Sept. 18, 2021, 8 p.m. 3.6 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 66.0 ppb (87) N/A N/A N/A 87.0
 
Sept. 18, 2021, 7 p.m. 5.8 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 64.0 ppb (81) N/A N/A N/A 81.0
 
Sept. 18, 2021, 6 p.m. 4.7 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
Sept. 18, 2021, 5 p.m. 8.8 ppb (9) 3.0 ppb (3) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (34) N/A N/A N/A 34.0
 
Sept. 18, 2021, 4 p.m. 11.3 ppb (11) 2.6 ppb (3) N/A 9.0 ppb (9) N/A N/A 27.0 ppb (25) N/A N/A N/A 25.0
 
Sept. 18, 2021, 3 p.m. 11.2 ppb (11) 2.5 ppb (3) N/A 9.0 ppb (9) N/A N/A 24.0 ppb (23) N/A N/A N/A 23.0
 
Sept. 18, 2021, 2 p.m. 18.4 ppb (18) 4.3 ppb (5) N/A 14.0 ppb (14) N/A N/A 17.0 ppb (16) N/A N/A N/A 18.0
 
Sept. 18, 2021, 1 p.m. 18.2 ppb (18) 3.0 ppb (3) N/A 15.0 ppb (15) N/A N/A 16.0 ppb (15) N/A N/A N/A 18.0
 
Sept. 18, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 18, 2021, 11 a.m. 12.5 ppb (12) 0.2 ppb (1) N/A 12.0 ppb (12) N/A N/A 23.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 18, 2021, 10 a.m. 6.9 ppb (7) 0.1 ppb (1) N/A 7.0 ppb (7) N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
Sept. 18, 2021, 9 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) N/A N/A N/A 33.0
 
Sept. 18, 2021, 8 a.m. 9.7 ppb (10) 0.2 ppb (1) N/A 10.0 ppb (10) N/A N/A 30.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 18, 2021, 7 a.m. 17.6 ppb (17) 0.4 ppb (1) N/A 17.0 ppb (17) N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
Sept. 18, 2021, 6 a.m. 12.7 ppb (12) 0.2 ppb (1) N/A 13.0 ppb (13) N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
Sept. 18, 2021, 5 a.m. 13.3 ppb (13) 0.3 ppb (1) N/A 13.0 ppb (13) N/A N/A 25.0 ppb (24) N/A N/A N/A 24.0
 
Sept. 18, 2021, 4 a.m. 5.2 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
Sept. 18, 2021, 3 a.m. 3.1 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 55.0 ppb (51) N/A N/A N/A 51.0
 
Sept. 18, 2021, 2 a.m. 2.8 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 62.0 ppb (74) N/A N/A N/A 74.0
 
Sept. 18, 2021, 1 a.m. 2.0 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 70.0 ppb (100) N/A N/A N/A 100.0
 
Sept. 18, 2021, midnight 2.3 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 74.0 ppb (103) N/A N/A N/A 103.0
 
Sept. 17, 2021, 11 p.m. 4.1 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 84.0 ppb (108) N/A N/A N/A 108.0
 
Sept. 17, 2021, 10 p.m. 3.3 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 82.0 ppb (107) N/A N/A N/A 107.0
 
Sept. 17, 2021, 9 p.m. 4.1 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 82.0 ppb (107) N/A N/A N/A 107.0
 
Sept. 17, 2021, 8 p.m. 5.6 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 77.0 ppb (105) N/A N/A N/A 105.0
 
Sept. 17, 2021, 7 p.m. 8.7 ppb (9) 1.2 ppb (2) N/A 8.0 ppb (8) N/A N/A 68.0 ppb (94) N/A N/A N/A 94.0
 
Sept. 17, 2021, 6 p.m. 10.8 ppb (11) 1.9 ppb (2) N/A 9.0 ppb (9) N/A N/A 56.0 ppb (55) N/A N/A N/A 55.0
 
Sept. 17, 2021, 5 p.m. 5.7 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
Sept. 17, 2021, 4 p.m. 7.1 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (37) N/A N/A N/A 37.0
 
Sept. 17, 2021, 3 p.m. 13.7 ppb (13) 2.7 ppb (3) N/A 11.0 ppb (11) N/A N/A 32.0 ppb (30) N/A N/A N/A 30.0
 
Sept. 17, 2021, 2 p.m. 6.1 ppb (6) 0.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (33) N/A N/A N/A 33.0
 
Sept. 17, 2021, 1 p.m. 6.8 ppb (7) 0.1 ppb (1) N/A 7.0 ppb (7) N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
Sept. 17, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 17, 2021, 11 a.m. 12.5 ppb (12) 0.1 ppb (1) N/A 12.0 ppb (12) N/A N/A 20.0 ppb (19) N/A N/A N/A 19.0
 
Sept. 17, 2021, 10 a.m. 20.3 ppb (20) 1.2 ppb (2) N/A 19.0 ppb (18) N/A N/A 12.0 ppb (12) N/A N/A N/A 20.0
 
Sept. 17, 2021, 9 a.m. 20.2 ppb (20) 1.5 ppb (2) N/A 19.0 ppb (18) N/A N/A 13.0 ppb (13) N/A N/A N/A 20.0
 
Sept. 17, 2021, 8 a.m. 15.7 ppb (15) 2.7 ppb (3) N/A 13.0 ppb (13) N/A N/A 17.0 ppb (16) N/A N/A N/A 16.0
 
Sept. 17, 2021, 7 a.m. 8.9 ppb (9) 0.1 ppb (1) N/A 9.0 ppb (9) N/A N/A 24.0 ppb (23) N/A N/A N/A 23.0
 
Sept. 17, 2021, 6 a.m. 10.5 ppb (10) 0.2 ppb (1) N/A 10.0 ppb (10) N/A N/A 30.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 17, 2021, 5 a.m. 2.4 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
Sept. 17, 2021, 4 a.m. 2.4 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 55.0 ppb (51) N/A N/A N/A 51.0
 
Sept. 17, 2021, 3 a.m. 2.3 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 59.0 ppb (65) N/A N/A N/A 65.0
 
Sept. 17, 2021, 2 a.m. 2.7 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 56.0 ppb (55) N/A N/A N/A 55.0
 
Sept. 17, 2021, 1 a.m. 1.1 ppb (2) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 66.0 ppb (87) N/A N/A N/A 87.0
 
Sept. 17, 2021, midnight 0.9 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 68.0 ppb (94) N/A N/A N/A 94.0
 
Sept. 16, 2021, 11 p.m. 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 67.0 ppb (91) N/A N/A N/A 91.0
 
Sept. 16, 2021, 10 p.m. 1.6 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 69.0 ppb (97) N/A N/A N/A 97.0
 
Sept. 16, 2021, 9 p.m. 2.8 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 72.0 ppb (102) N/A N/A N/A 102.0
 
Sept. 16, 2021, 8 p.m. 3.0 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 75.0 ppb (104) N/A N/A N/A 104.0
 
Sept. 16, 2021, 7 p.m. 4.6 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 78.0 ppb (105) N/A N/A N/A 105.0
 
Sept. 16, 2021, 6 p.m. 7.5 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (7) N/A N/A 67.0 ppb (91) N/A N/A N/A 91.0
 
Sept. 16, 2021, 5 p.m. 3.3 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 59.0 ppb (65) N/A N/A N/A 65.0
 
Sept. 16, 2021, 4 p.m. 4.8 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 53.0 ppb (50) N/A N/A N/A 50.0
 
Sept. 16, 2021, 3 p.m. 4.9 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (38) N/A N/A N/A 38.0
 
Sept. 16, 2021, 2 p.m. 5.0 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) N/A N/A N/A 33.0
 
Sept. 16, 2021, 1 p.m. 3.8 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (36) N/A N/A N/A 36.0
 
Sept. 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
Sept. 16, 2021, 11 a.m. 11.0 ppb (11) 0.1 ppb (1) N/A 11.0 ppb (11) N/A N/A 24.0 ppb (23) N/A N/A N/A 23.0
 
Sept. 16, 2021, 10 a.m. 13.8 ppb (14) 0.3 ppb (1) N/A 14.0 ppb (14) N/A N/A 23.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 16, 2021, 9 a.m. 15.8 ppb (15) 0.5 ppb (1) N/A 15.0 ppb (15) N/A N/A 24.0 ppb (23) N/A N/A N/A 23.0
 
Sept. 16, 2021, 8 a.m. 5.5 ppb (6) -0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (33) N/A N/A N/A 33.0
 
Sept. 16, 2021, 7 a.m. 2.0 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A N/A N/A 38.0
 
Sept. 16, 2021, 6 a.m. 2.3 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) N/A N/A N/A 38.0
 
Sept. 16, 2021, 5 a.m. 1.8 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
Sept. 16, 2021, 4 a.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Sept. 16, 2021, 3 a.m. 2.6 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
Sept. 16, 2021, 2 a.m. 2.4 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 52.0 ppb (49) N/A N/A N/A 49.0
 
Sept. 16, 2021, 1 a.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 64.0 ppb (81) N/A N/A N/A 81.0
 
Sept. 16, 2021, midnight 1.0 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 67.0 ppb (91) N/A N/A N/A 91.0
 
Sept. 15, 2021, 11 p.m. 1.3 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 71.0 ppb (101) N/A N/A N/A 101.0
 
Sept. 15, 2021, 10 p.m. 2.1 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 73.0 ppb (103) N/A N/A N/A 103.0
 
Sept. 15, 2021, 9 p.m. 2.4 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 78.0 ppb (105) N/A N/A N/A 105.0
 
Sept. 15, 2021, 8 p.m. 5.3 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 79.0 ppb (106) N/A N/A N/A 106.0
 
Sept. 15, 2021, 7 p.m. 4.3 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 73.0 ppb (103) N/A N/A N/A 103.0
 
Sept. 15, 2021, 6 p.m. 4.0 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 64.0 ppb (81) N/A N/A N/A 81.0
 
Sept. 15, 2021, 5 p.m. 4.0 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 59.0 ppb (65) N/A N/A N/A 65.0
 
Sept. 15, 2021, 4 p.m. 3.0 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (50) N/A N/A N/A 50.0
 
Sept. 15, 2021, 3 p.m. 1.6 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
Sept. 15, 2021, 2 p.m. 1.2 ppb (2) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
Sept. 15, 2021, 1 p.m. 1.2 ppb (2) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
Sept. 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
Sept. 15, 2021, 11 a.m. 1.1 ppb (2) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
Sept. 15, 2021, 10 a.m. 1.4 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
Sept. 15, 2021, 9 a.m. 1.6 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (48) N/A N/A N/A 48.0
 
Sept. 15, 2021, 8 a.m. 1.6 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (48) N/A N/A N/A 48.0
 
Sept. 15, 2021, 7 a.m. 1.3 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
Sept. 15, 2021, 6 a.m. 2.5 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
Sept. 15, 2021, 5 a.m. 4.3 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
Sept. 15, 2021, 4 a.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Sept. 15, 2021, 3 a.m. 2.8 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
Sept. 15, 2021, 2 a.m. 2.5 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 57.0 ppb (58) N/A N/A N/A 58.0
 
Sept. 15, 2021, 1 a.m. 1.4 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 68.0 ppb (94) N/A N/A N/A 94.0
 
Sept. 15, 2021, midnight 1.2 ppb (2) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 74.0 ppb (103) N/A N/A N/A 103.0
 
Sept. 14, 2021, 11 p.m. 1.8 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 84.0 ppb (108) N/A N/A N/A 108.0
 
Sept. 14, 2021, 10 p.m. 2.7 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 84.0 ppb (108) N/A N/A N/A 108.0
 
Sept. 14, 2021, 9 p.m. 2.8 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 85.0 ppb (109) N/A N/A N/A 109.0
 
Sept. 14, 2021, 8 p.m. 3.1 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 76.0 ppb (104) N/A N/A N/A 104.0
 
Sept. 14, 2021, 7 p.m. 2.4 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 68.0 ppb (94) N/A N/A N/A 94.0
 
Sept. 14, 2021, 6 p.m. 2.8 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 66.0 ppb (87) N/A N/A N/A 87.0
 
Sept. 14, 2021, 5 p.m. 3.9 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 57.0 ppb (58) N/A N/A N/A 58.0
 
Sept. 14, 2021, 4 p.m. 5.7 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 51.0 ppb (48) N/A N/A N/A 48.0
 
Sept. 14, 2021, 3 p.m. 3.6 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Sept. 14, 2021, 2 p.m. 9.3 ppb (9) 0.4 ppb (1) N/A 9.0 ppb (9) N/A N/A 36.0 ppb (34) N/A N/A N/A 34.0
 
Sept. 14, 2021, 1 p.m. 27.1 ppb (26) 5.9 ppb (6) N/A 21.0 ppb (20) N/A N/A 21.0 ppb (20) N/A N/A N/A 26.0
 
Sept. 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
Sept. 14, 2021, 11 a.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
Sept. 14, 2021, 10 a.m. 1.4 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A N/A 39.0
 
Sept. 14, 2021, 9 a.m. 1.4 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A N/A 39.0
 
Sept. 14, 2021, 8 a.m. 1.1 ppb (2) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
Sept. 14, 2021, 7 a.m. 1.4 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
Sept. 14, 2021, 6 a.m. 1.9 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
Sept. 14, 2021, 5 a.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
Sept. 14, 2021, 4 a.m. 1.8 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
Sept. 14, 2021, 3 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 51.0 ppb (48) N/A N/A N/A 48.0
 
Sept. 14, 2021, 2 a.m. 3.4 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
Sept. 14, 2021, 1 a.m. 1.4 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 64.0 ppb (81) N/A N/A N/A 81.0
 
Sept. 14, 2021, midnight 0.9 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 70.0 ppb (100) N/A N/A N/A 100.0
 
Sept. 13, 2021, 11 p.m. 1.0 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 66.0 ppb (87) N/A N/A N/A 87.0
 
Sept. 13, 2021, 10 p.m. 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 66.0 ppb (87) N/A N/A N/A 87.0
 
Sept. 13, 2021, 9 p.m. 1.3 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 67.0 ppb (91) N/A N/A N/A 91.0
 
Sept. 13, 2021, 8 p.m. 2.0 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 70.0 ppb (100) N/A N/A N/A 100.0
 
Sept. 13, 2021, 7 p.m. 2.0 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 68.0 ppb (94) N/A N/A N/A 94.0
 
Sept. 13, 2021, 6 p.m. 2.2 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 64.0 ppb (81) N/A N/A N/A 81.0
 
Sept. 13, 2021, 5 p.m. 1.8 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 61.0 ppb (71) N/A N/A N/A 71.0
 
Sept. 13, 2021, 4 p.m. 2.9 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 55.0 ppb (51) N/A N/A N/A 51.0
 
Sept. 13, 2021, 3 p.m. 3.0 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
Sept. 13, 2021, 2 p.m. 4.0 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) N/A N/A N/A 37.0
 
Sept. 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