ID: 2877

AQSQID: 471050109

Site Name: Loudonms

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

Updated: Oct. 25, 2020, 4:39 p.m.

Location: Loudon (Roberts Rd), TN

Reporting: True, Located: True

Current AQI: 13.0

Loudon (Roberts Rd) TN, US: 35.7197, -84.3417

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Oct. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 18, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 18, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 18, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 12.0 μg/m3 (50) 50.0
 
Oct. 18, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 18, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 18, 2020, midnight N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 1.0 μg/m3 (5) 13.0
 
Oct. 17, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 17, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.0 μg/m3 (13) 34.0
 
Oct. 17, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A -4.0 μg/m3 (0) 40.0
 
Oct. 17, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 6.0 μg/m3 (25) 41.0
 
Oct. 17, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 6.0 μg/m3 (25) 39.0
 
Oct. 17, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
Oct. 17, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 5.0 μg/m3 (21) 36.0
 
Oct. 17, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
Oct. 17, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 17, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 17, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 8.0 μg/m3 (34) 34.0
 
Oct. 17, 2020, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 2.0 μg/m3 (9) 9.0
 
Oct. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A -1.0 μg/m3 (0) 2.0
 
Oct. 17, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 17, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 17, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 17, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 17, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 2.0 μg/m3 (9) 10.0
 
Oct. 17, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 17, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 11.0 μg/m3 (46) 46.0
 
Oct. 17, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 1.0 μg/m3 (5) 18.0
 
Oct. 17, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
Oct. 17, 2020, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A -4.0 μg/m3 (0) 25.0
 
Oct. 16, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A -1.0 μg/m3 (0) 26.0
 
Oct. 16, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 0.0 μg/m3 (0) 31.0
 
Oct. 16, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A -3.0 μg/m3 (0) 27.0
 
Oct. 16, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 27.0
 
Oct. 16, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 8.0 μg/m3 (34) 33.0
 
Oct. 16, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 2.0 μg/m3 (9) 25.0
 
Oct. 16, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 27.0
 
Oct. 16, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 7.0 μg/m3 (30) 29.0
 
Oct. 16, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A -1.0 μg/m3 (0) 18.0
 
Oct. 16, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 16, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 7.0 μg/m3 (30) 29.0
 
Oct. 16, 2020, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 8.0 μg/m3 (34) 33.0
 
Oct. 16, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 5.0 μg/m3 (21) 22.0
 
Oct. 16, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 8.0 μg/m3 (34) 33.0
 
Oct. 16, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 30.0
 
Oct. 16, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.0 μg/m3 (21) 32.0
 
Oct. 16, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 16, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 16, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 6.0 μg/m3 (25) 32.0
 
Oct. 16, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 2.0 μg/m3 (9) 28.0
 
Oct. 16, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 8.0 μg/m3 (34) 33.0
 
Oct. 16, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 13.0 μg/m3 (53) 52.0
 
Oct. 16, 2020, midnight N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 13.0 μg/m3 (53) 52.0
 
Oct. 15, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 15.0 μg/m3 (58) 56.0
 
Oct. 15, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 13.0 μg/m3 (53) 52.0
 
Oct. 15, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 15, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 16.0 μg/m3 (60) 59.0
 
Oct. 15, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 14.0 μg/m3 (55) 54.0
 
Oct. 15, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 13.0 μg/m3 (53) 52.0
 
Oct. 15, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 15.0 μg/m3 (58) 56.0
 
Oct. 15, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 12.0 μg/m3 (50) 50.0
 
Oct. 15, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 16.0 μg/m3 (60) 59.0
 
Oct. 15, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 15, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 7.0 μg/m3 (30) 29.0
 
Oct. 15, 2020, noon N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 1.0 μg/m3 (5) 5.0
 
Oct. 15, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 15, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 3.0 μg/m3 (13) 12.0
 
Oct. 15, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 15, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 15, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 15, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 2.0 μg/m3 (9) 8.0
 
Oct. 15, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 2.0 μg/m3 (9) 8.0
 
Oct. 15, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 2.0 μg/m3 (9) 17.0
 
Oct. 15, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 15, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 15, 2020, midnight N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 14, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 14, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 14, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 4.0 μg/m3 (17) 33.0
 
Oct. 14, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 7.0 μg/m3 (30) 34.0
 
Oct. 14, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 7.0 μg/m3 (30) 32.0
 
Oct. 14, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 4.0 μg/m3 (17) 28.0
 
Oct. 14, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 2.0 μg/m3 (9) 25.0
 
Oct. 14, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 14, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 1.0 μg/m3 (5) 12.0
 
Oct. 14, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 8.0 μg/m3 (34) 33.0
 
Oct. 14, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 12.0
 
Oct. 14, 2020, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 14, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 1.0 μg/m3 (5) 4.0
 
Oct. 14, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (9) 8.0
 
Oct. 14, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (13) 12.0
 
Oct. 14, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 2.0 μg/m3 (9) 8.0
 
Oct. 14, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 3.0 μg/m3 (13) 12.0
 
Oct. 14, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 14, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 2.0 μg/m3 (9) 8.0
 
Oct. 14, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A 8.0 μg/m3 (34) 33.0
 
Oct. 14, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 14, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 1.0 μg/m3 (5) 8.0
 
Oct. 14, 2020, midnight N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 0.0 μg/m3 (0) 8.0
 
Oct. 13, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 3.0 μg/m3 (13) 14.0
 
Oct. 13, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 0.0 μg/m3 (0) 27.0
 
Oct. 13, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 32.0
 
Oct. 13, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 31.0
 
Oct. 13, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 31.0
 
Oct. 13, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.0 μg/m3 (13) 30.0
 
Oct. 13, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.0 μg/m3 (17) 28.0
 
Oct. 13, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 5.0 μg/m3 (21) 25.0
 
Oct. 13, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 5.0 μg/m3 (21) 22.0
 
Oct. 13, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.0 μg/m3 (13) 19.0
 
Oct. 13, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 1.0 μg/m3 (5) 18.0
 
Oct. 13, 2020, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 3.0 μg/m3 (13) 17.0
 
Oct. 13, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 3.0 μg/m3 (13) 16.0
 
Oct. 13, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 2.0 μg/m3 (9) 17.0
 
Oct. 13, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 2.0 μg/m3 (9) 19.0
 
Oct. 13, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 21.0
 
Oct. 13, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 13, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 13, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 1.0 μg/m3 (5) 5.0
 
Oct. 13, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 1.0 μg/m3 (5) 8.0
 
Oct. 13, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 2.0 μg/m3 (9) 8.0
 
Oct. 13, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A N/A 3.0 μg/m3 (13) 12.0
 
Oct. 13, 2020, midnight N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A N/A 3.0 μg/m3 (13) 12.0
 
Oct. 12, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 1.0 μg/m3 (5) 6.0
 
Oct. 12, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 1.0 μg/m3 (5) 14.0
 
Oct. 12, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 3.0 μg/m3 (13) 18.0
 
Oct. 12, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 2.0 μg/m3 (9) 17.0
 
Oct. 12, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 0.0 μg/m3 (0) 15.0
 
Oct. 12, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 1.0 μg/m3 (5) 13.0
 
Oct. 12, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 12, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A -1.0 μg/m3 (0) 8.0
 
Oct. 12, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 8.0 μg/m3 (34) 33.0
 
Oct. 12, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 14.0 μg/m3 (55) 54.0
 
Oct. 12, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 12.0 μg/m3 (50) 50.0
 
Oct. 12, 2020, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 1.0 μg/m3 (5) 4.0
 
Oct. 12, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 12, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A -2.0 μg/m3 (0) 0.0
Oct. 12, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A -1.0 μg/m3 (0) 0.0
Oct. 12, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 1.0 μg/m3 (5) 4.0
 
Oct. 12, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 0.0 μg/m3 (0) 0.0
Oct. 12, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (13) 12.0
 
Oct. 12, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (13) 12.0
 
Oct. 12, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A -3.0 μg/m3 (0) 0.0
Oct. 12, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 0.0 μg/m3 (0) 1.0
 
Oct. 12, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A -1.0 μg/m3 (0) 2.0
 
Oct. 12, 2020, midnight N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 2.0 μg/m3 (9) 8.0
 
Oct. 11, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 1.0 μg/m3 (5) 6.0
 
Oct. 11, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 3.0 μg/m3 (13) 14.0
 
Oct. 11, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 11, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 1.0 μg/m3 (5) 15.0
 
Oct. 11, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 11, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 1.0 μg/m3 (5) 13.0
 
Oct. 11, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 11, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 1.0 μg/m3 (5) 15.0
 
Oct. 11, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 2.0 μg/m3 (9) 13.0
 
Oct. 11, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 0.0 μg/m3 (0) 11.0
 
Oct. 11, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 11, 2020, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 8.0 μg/m3 (34) 33.0
 
Oct. 11, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 11, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 11, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 1.0 μg/m3 (5) 11.0
 
Oct. 11, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 3.0 μg/m3 (13) 13.0
 
Oct. 11, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 11, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 0.0 μg/m3 (0) 13.0
 
Oct. 11, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 3.0 μg/m3 (13) 12.0
 
Oct. 11, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 11, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 11, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 11, 2020, midnight N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 4.0 μg/m3 (17) 17.0