ID: 1954

AQSQID: 516500008

Site Name: Hampton

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

Updated: Oct. 20, 2020, 4:38 a.m.

Location: Hampton (Langley Air Force Base), VA

Reporting: True, Located: True

Current AQI: 25.0

Hampton (Langley Air Force Base) VA, US: 37.103683, -76.386948

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Oct. 20, 2020, 3 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 26.0 ppb (25) 0.6 ppb (7) N/A -0.2 μg/m3 (0) 25.0
 
Oct. 20, 2020, 2 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 30.0 ppb (28) 0.6 ppb (7) N/A 0.0 μg/m3 (0) 28.0
 
Oct. 20, 2020, 1 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 33.0 ppb (31) 0.6 ppb (7) N/A 1.1 μg/m3 (5) 31.0
 
Oct. 20, 2020, midnight N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 34.0 ppb (32) 0.6 ppb (7) N/A 0.3 μg/m3 (2) 32.0
 
Oct. 19, 2020, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 35.0 ppb (33) 0.6 ppb (7) N/A 0.8 μg/m3 (4) 33.0
 
Oct. 19, 2020, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 35.0 ppb (33) 0.6 ppb (7) N/A 2.1 μg/m3 (9) 33.0
 
Oct. 19, 2020, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 37.0 ppb (35) 0.6 ppb (7) N/A 3.1 μg/m3 (13) 35.0
 
Oct. 19, 2020, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 40.0 ppb (38) 0.6 ppb (7) N/A 6.4 μg/m3 (27) 38.0
 
Oct. 19, 2020, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 43.0 ppb (40) 0.6 ppb (7) N/A 7.3 μg/m3 (31) 40.0
 
Oct. 19, 2020, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 40.0 ppb (38) 0.6 ppb (7) N/A 8.1 μg/m3 (34) 38.0
 
Oct. 19, 2020, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 39.0 ppb (37) 0.6 ppb (7) N/A 7.9 μg/m3 (33) 37.0
 
Oct. 19, 2020, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 38.0 ppb (36) 0.6 ppb (7) N/A 6.7 μg/m3 (28) 36.0
 
Oct. 19, 2020, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 37.0 ppb (35) 0.6 ppb (7) N/A 5.0 μg/m3 (21) 35.0
 
Oct. 19, 2020, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 36.0 ppb (34) 0.6 ppb (7) N/A -1.0 μg/m3 (0) 34.0
 
Oct. 19, 2020, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 31.0 ppb (29) 0.6 ppb (7) N/A N/A 29.0
 
Oct. 19, 2020, noon N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 8.0 ppb (8) 0.7 ppb (8) N/A -1.1 μg/m3 (0) 8.0
 
Oct. 19, 2020, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 2.0 ppb (2) 0.7 ppb (8) N/A -0.5 μg/m3 (0) 8.0
 
Oct. 19, 2020, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 8.0 ppb (8) 0.6 ppb (7) N/A 0.8 μg/m3 (4) 8.0
 
Oct. 19, 2020, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 5.0 ppb (5) 0.6 ppb (7) N/A 2.2 μg/m3 (10) 10.0
 
Oct. 19, 2020, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 10.0 ppb (10) 0.6 ppb (7) N/A 2.6 μg/m3 (11) 11.0
 
Oct. 19, 2020, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 7.0 ppb (7) 0.6 ppb (7) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 19, 2020, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 3.0 ppb (3) 0.6 ppb (7) N/A 3.6 μg/m3 (16) 16.0
 
Oct. 19, 2020, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 4.0 ppb (4) 0.6 ppb (7) N/A 3.7 μg/m3 (16) 16.0
 
Oct. 19, 2020, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 8.0 ppb (8) 0.6 ppb (7) N/A 3.1 μg/m3 (13) 13.0
 
Oct. 19, 2020, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 13.0 ppb (13) 0.6 ppb (7) N/A 2.9 μg/m3 (13) 13.0
 
Oct. 19, 2020, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 20.0 ppb (19) 0.6 ppb (7) N/A 2.0 μg/m3 (9) 19.0
 
Oct. 19, 2020, 1 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 21.0 ppb (20) 0.6 ppb (7) N/A 1.5 μg/m3 (7) 20.0
 
Oct. 19, 2020, midnight N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 31.0 ppb (29) 0.6 ppb (7) N/A 2.8 μg/m3 (12) 29.0
 
Oct. 18, 2020, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 32.0 ppb (30) 0.6 ppb (7) N/A 2.8 μg/m3 (12) 30.0
 
Oct. 18, 2020, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 33.0 ppb (31) 0.6 ppb (7) N/A 2.4 μg/m3 (10) 31.0
 
Oct. 18, 2020, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 35.0 ppb (33) 0.6 ppb (7) N/A 2.0 μg/m3 (9) 33.0
 
Oct. 18, 2020, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 36.0 ppb (34) 0.6 ppb (7) N/A 2.0 μg/m3 (9) 34.0
 
Oct. 18, 2020, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 35.0 ppb (33) 0.6 ppb (7) N/A 2.5 μg/m3 (11) 33.0
 
Oct. 18, 2020, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 35.0 ppb (33) 0.6 ppb (7) N/A 1.6 μg/m3 (7) 33.0
 
Oct. 18, 2020, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 35.0 ppb (33) 0.6 ppb (7) N/A 1.8 μg/m3 (8) 33.0
 
Oct. 18, 2020, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 35.0 ppb (33) 0.6 ppb (7) N/A 2.0 μg/m3 (9) 33.0
 
Oct. 18, 2020, 3 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 35.0 ppb (33) 0.6 ppb (7) N/A 2.6 μg/m3 (11) 33.0
 
Oct. 18, 2020, 2 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 34.0 ppb (32) 0.6 ppb (7) N/A 1.7 μg/m3 (8) 32.0
 
Oct. 18, 2020, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 32.0 ppb (30) 0.6 ppb (7) N/A -1.5 μg/m3 (0) 30.0
 
Oct. 18, 2020, noon N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 29.0 ppb (27) 0.6 ppb (7) N/A -2.7 μg/m3 (0) 27.0
 
Oct. 18, 2020, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 27.0 ppb (25) 0.5 ppb (6) N/A -1.0 μg/m3 (0) 25.0
 
Oct. 18, 2020, 10 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 27.0 ppb (25) 0.5 ppb (6) N/A 1.7 μg/m3 (8) 25.0
 
Oct. 18, 2020, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) N/A 0.6 ppb (7) N/A 6.8 μg/m3 (29) 29.0
 
Oct. 18, 2020, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 12.0 ppb (12) 0.6 ppb (7) N/A 8.9 μg/m3 (38) 38.0
 
Oct. 18, 2020, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 7.0 ppb (7) N/A N/A 10.6 μg/m3 (45) 45.0
 
Oct. 18, 2020, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 6.0 ppb (6) 0.6 ppb (7) N/A 12.5 μg/m3 (52) 52.0
 
Oct. 18, 2020, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 5.0 ppb (5) 0.7 ppb (8) N/A 10.2 μg/m3 (43) 43.0
 
Oct. 18, 2020, 4 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 5.0 ppb (5) 0.7 ppb (8) N/A 8.7 μg/m3 (37) 37.0
 
Oct. 18, 2020, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 6.0 ppb (6) 0.7 ppb (8) N/A 7.4 μg/m3 (31) 31.0
 
Oct. 18, 2020, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 9.0 ppb (9) 0.7 ppb (8) N/A 5.8 μg/m3 (25) 25.0
 
Oct. 18, 2020, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 12.0 ppb (12) 0.6 ppb (7) N/A 4.7 μg/m3 (20) 20.0
 
Oct. 18, 2020, midnight N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 17.0 ppb (16) 0.6 ppb (7) N/A 7.1 μg/m3 (30) 30.0
 
Oct. 17, 2020, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 23.0 ppb (22) 0.6 ppb (7) N/A 7.2 μg/m3 (31) 31.0
 
Oct. 17, 2020, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 30.0 ppb (28) 0.5 ppb (6) N/A 5.9 μg/m3 (25) 28.0
 
Oct. 17, 2020, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 38.0 ppb (36) 0.5 ppb (6) N/A 3.5 μg/m3 (15) 36.0
 
Oct. 17, 2020, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 38.0 ppb (36) 0.5 ppb (6) N/A 2.2 μg/m3 (10) 36.0
 
Oct. 17, 2020, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 37.0 ppb (35) 0.5 ppb (6) N/A 1.2 μg/m3 (5) 35.0
 
Oct. 17, 2020, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 36.0 ppb (34) 0.5 ppb (6) N/A 1.2 μg/m3 (5) 34.0
 
Oct. 17, 2020, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 36.0 ppb (34) 0.5 ppb (6) N/A 1.5 μg/m3 (7) 34.0
 
Oct. 17, 2020, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 35.0 ppb (33) 0.5 ppb (6) N/A 2.7 μg/m3 (12) 33.0
 
Oct. 17, 2020, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 32.0 ppb (30) 0.5 ppb (6) N/A 6.1 μg/m3 (26) 30.0
 
Oct. 17, 2020, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 28.0 ppb (26) 0.5 ppb (6) N/A 4.9 μg/m3 (21) 26.0
 
Oct. 17, 2020, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 21.0 ppb (20) 0.5 ppb (6) N/A 2.4 μg/m3 (10) 20.0
 
Oct. 17, 2020, noon N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 17.0 ppb (16) 0.5 ppb (6) N/A 1.9 μg/m3 (8) 16.0
 
Oct. 17, 2020, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 16.0 ppb (15) 0.5 ppb (6) N/A 4.3 μg/m3 (18) 18.0
 
Oct. 17, 2020, 10 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 18.0 ppb (17) 0.5 ppb (6) N/A 5.3 μg/m3 (23) 23.0
 
Oct. 17, 2020, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 18.0 ppb (17) 0.5 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 17, 2020, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 22.0 ppb (21) 0.5 ppb (6) N/A 7.1 μg/m3 (30) 30.0
 
Oct. 17, 2020, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 21.0 ppb (20) 0.5 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 17, 2020, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 19.0 ppb (18) 0.5 ppb (6) N/A 2.9 μg/m3 (13) 18.0
 
Oct. 17, 2020, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 21.0 ppb (20) 0.5 ppb (6) N/A 2.3 μg/m3 (10) 20.0
 
Oct. 17, 2020, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 24.0 ppb (23) 0.5 ppb (6) N/A 2.5 μg/m3 (11) 23.0
 
Oct. 17, 2020, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 25.0 ppb (24) 0.5 ppb (6) N/A 4.9 μg/m3 (21) 24.0
 
Oct. 17, 2020, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 31.0 ppb (29) 0.5 ppb (6) N/A 5.2 μg/m3 (22) 29.0
 
Oct. 17, 2020, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 32.0 ppb (30) 0.5 ppb (6) N/A 4.1 μg/m3 (18) 30.0
 
Oct. 17, 2020, midnight N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 33.0 ppb (31) 0.5 ppb (6) N/A 4.5 μg/m3 (19) 31.0
 
Oct. 16, 2020, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 34.0 ppb (32) 0.5 ppb (6) N/A 1.9 μg/m3 (8) 32.0
 
Oct. 16, 2020, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 35.0 ppb (33) 0.5 ppb (6) N/A 0.3 μg/m3 (2) 33.0
 
Oct. 16, 2020, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 34.0 ppb (32) 0.5 ppb (6) N/A 0.9 μg/m3 (4) 26.0
 
Oct. 16, 2020, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 36.0 ppb (34) 0.5 ppb (6) N/A 3.6 μg/m3 (16) 28.0
 
Oct. 16, 2020, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 37.0 ppb (35) 0.5 ppb (6) N/A 5.5 μg/m3 (23) 28.0
 
Oct. 16, 2020, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 37.0 ppb (35) 0.5 ppb (6) N/A 6.7 μg/m3 (28) 28.0
 
Oct. 16, 2020, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 39.0 ppb (37) 0.5 ppb (6) N/A 7.8 μg/m3 (33) 32.0
 
Oct. 16, 2020, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 37.0 ppb (35) 0.5 ppb (6) N/A 12.6 μg/m3 (53) 51.0
 
Oct. 16, 2020, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 39.0 ppb (37) 0.5 ppb (6) N/A 17.9 μg/m3 (64) 63.0
 
Oct. 16, 2020, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 38.0 ppb (36) 0.5 ppb (6) N/A 12.3 μg/m3 (52) 51.0
 
Oct. 16, 2020, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 23.0 ppb (22) 0.5 ppb (6) N/A 1.9 μg/m3 (8) 18.0
 
Oct. 16, 2020, noon N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 18.0 ppb (17) 0.5 ppb (6) N/A 0.8 μg/m3 (4) 14.0
 
Oct. 16, 2020, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 21.0 ppb (20) 0.5 ppb (6) N/A 0.8 μg/m3 (4) 16.0
 
Oct. 16, 2020, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 23.0 ppb (22) 0.5 ppb (6) N/A 2.1 μg/m3 (9) 18.0
 
Oct. 16, 2020, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 31.0 ppb (29) 0.5 ppb (6) N/A 1.3 μg/m3 (6) 24.0
 
Oct. 16, 2020, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 36.0 ppb (34) 0.5 ppb (6) N/A 1.7 μg/m3 (8) 28.0
 
Oct. 16, 2020, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 35.0 ppb (33) 0.5 ppb (6) N/A 0.9 μg/m3 (4) 27.0
 
Oct. 16, 2020, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 36.0 ppb (34) 0.5 ppb (6) N/A -0.5 μg/m3 (0) 28.0
 
Oct. 16, 2020, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 36.0 ppb (34) 0.5 ppb (6) N/A 0.5 μg/m3 (3) 28.0
 
Oct. 16, 2020, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 36.0 ppb (34) 0.5 ppb (6) N/A 1.2 μg/m3 (5) 28.0
 
Oct. 16, 2020, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 36.0 ppb (34) 0.5 ppb (6) N/A 2.1 μg/m3 (9) 28.0
 
Oct. 16, 2020, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 36.0 ppb (34) 0.5 ppb (6) N/A 2.9 μg/m3 (13) 28.0
 
Oct. 16, 2020, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 36.0 ppb (34) 0.5 ppb (6) N/A 1.6 μg/m3 (7) 28.0
 
Oct. 16, 2020, midnight N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 32.0 ppb (30) 0.5 ppb (6) N/A 3.0 μg/m3 (13) 25.0
 
Oct. 15, 2020, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 31.0 ppb (29) 0.5 ppb (6) N/A 3.9 μg/m3 (17) 24.0
 
Oct. 15, 2020, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 35.0 ppb (33) 0.5 ppb (6) N/A 3.1 μg/m3 (13) 27.0
 
Oct. 15, 2020, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 38.0 ppb (36) 0.5 ppb (6) N/A 2.1 μg/m3 (9) 29.0
 
Oct. 15, 2020, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 42.0 ppb (39) 0.5 ppb (6) N/A 2.3 μg/m3 (10) 32.0
 
Oct. 15, 2020, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 43.0 ppb (40) 0.5 ppb (6) N/A 1.5 μg/m3 (7) 33.0
 
Oct. 15, 2020, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 44.0 ppb (41) 0.5 ppb (6) N/A -0.8 μg/m3 (0) 34.0
 
Oct. 15, 2020, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 42.0 ppb (39) 0.5 ppb (6) N/A -1.0 μg/m3 (0) 32.0
 
Oct. 15, 2020, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 39.0 ppb (37) 0.5 ppb (6) N/A 3.2 μg/m3 (14) 30.0
 
Oct. 15, 2020, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 36.0 ppb (34) 0.5 ppb (6) N/A 5.7 μg/m3 (24) 28.0
 
Oct. 15, 2020, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 33.0 ppb (31) 0.5 ppb (6) N/A 4.0 μg/m3 (17) 25.0
 
Oct. 15, 2020, 1 p.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 25.0 ppb (24) 0.5 ppb (6) N/A -2.5 μg/m3 (0) 19.0
 
Oct. 15, 2020, noon N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 16.0 ppb (15) 0.5 ppb (6) N/A -1.0 μg/m3 (0) 12.0
 
Oct. 15, 2020, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 13.0 ppb (13) 0.6 ppb (7) N/A 3.2 μg/m3 (14) 13.0
 
Oct. 15, 2020, 10 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 19.0 ppb (18) 0.5 ppb (6) N/A 4.5 μg/m3 (19) 19.0
 
Oct. 15, 2020, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A 0.5 ppb (6) N/A 4.2 μg/m3 (18) 18.0
 
Oct. 15, 2020, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) 0.4 ppb (5) N/A 4.5 μg/m3 (19) 22.0
 
Oct. 15, 2020, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 4.6 μg/m3 (20) 19.0
 
Oct. 15, 2020, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 27.0 ppb (25) 0.5 ppb (6) N/A 5.2 μg/m3 (22) 22.0
 
Oct. 15, 2020, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 23.0 ppb (22) 0.5 ppb (6) N/A 6.7 μg/m3 (28) 28.0
 
Oct. 15, 2020, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 15.0 ppb (14) 0.6 ppb (7) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 15, 2020, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 20.0 ppb (19) 0.5 ppb (6) N/A 5.6 μg/m3 (24) 23.0
 
Oct. 15, 2020, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 27.0 ppb (25) 0.5 ppb (6) N/A 4.1 μg/m3 (18) 21.0
 
Oct. 15, 2020, 1 a.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 22.0 ppb (21) 0.6 ppb (7) N/A 2.7 μg/m3 (12) 17.0
 
Oct. 15, 2020, midnight N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 22.0 ppb (21) 0.6 ppb (7) N/A 0.7 μg/m3 (3) 17.0
 
Oct. 14, 2020, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 25.0 ppb (24) 0.5 ppb (6) N/A 1.9 μg/m3 (8) 19.0
 
Oct. 14, 2020, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 29.0 ppb (27) 0.5 ppb (6) N/A 4.7 μg/m3 (20) 22.0
 
Oct. 14, 2020, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 42.0 ppb (39) 0.5 ppb (6) N/A 4.2 μg/m3 (18) 32.0
 
Oct. 14, 2020, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 45.0 ppb (42) 0.5 ppb (6) N/A 1.8 μg/m3 (8) 35.0
 
Oct. 14, 2020, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 44.0 ppb (41) 0.4 ppb (5) N/A 1.0 μg/m3 (5) 34.0
 
Oct. 14, 2020, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 42.0 ppb (39) 0.4 ppb (5) N/A 1.8 μg/m3 (8) 32.0
 
Oct. 14, 2020, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 40.0 ppb (38) 0.4 ppb (5) N/A 2.1 μg/m3 (9) 31.0
 
Oct. 14, 2020, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 39.0 ppb (37) 0.4 ppb (5) N/A 6.2 μg/m3 (26) 30.0
 
Oct. 14, 2020, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 36.0 ppb (34) 0.4 ppb (5) N/A 9.7 μg/m3 (41) 40.0
 
Oct. 14, 2020, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 34.0 ppb (32) 0.4 ppb (5) N/A 6.7 μg/m3 (28) 28.0
 
Oct. 14, 2020, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 27.0 ppb (25) 0.4 ppb (5) N/A -1.7 μg/m3 (0) 21.0
 
Oct. 14, 2020, noon N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 8.0 ppb (8) 0.6 ppb (7) N/A 0.9 μg/m3 (4) 7.0
 
Oct. 14, 2020, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 6.0 ppb (6) 0.6 ppb (7) N/A 5.6 μg/m3 (24) 23.0
 
Oct. 14, 2020, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 10.0 ppb (10) 0.4 ppb (5) N/A 6.1 μg/m3 (26) 25.0
 
Oct. 14, 2020, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 17.0 ppb (16) 0.4 ppb (5) N/A 6.2 μg/m3 (26) 26.0
 
Oct. 14, 2020, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 15.0 ppb (14) 0.4 ppb (5) N/A 7.5 μg/m3 (32) 31.0
 
Oct. 14, 2020, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 11.0 ppb (11) 0.4 ppb (5) N/A 6.2 μg/m3 (26) 26.0
 
Oct. 14, 2020, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 15.0 ppb (14) 0.4 ppb (5) N/A 5.8 μg/m3 (25) 24.0
 
Oct. 14, 2020, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 15.0 ppb (14) 0.4 ppb (5) N/A 9.3 μg/m3 (39) 39.0
 
Oct. 14, 2020, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 14.0 ppb (13) 0.4 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 14, 2020, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 15.0 ppb (14) 0.4 ppb (5) N/A 5.5 μg/m3 (23) 23.0
 
Oct. 14, 2020, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 9.0 ppb (9) 0.5 ppb (6) N/A 4.9 μg/m3 (21) 20.0
 
Oct. 14, 2020, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 2.0 ppb (2) 0.5 ppb (6) N/A 3.1 μg/m3 (13) 13.0
 
Oct. 14, 2020, midnight N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 6.0 ppb (6) 0.5 ppb (6) N/A 2.6 μg/m3 (11) 11.0
 
Oct. 13, 2020, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 10.0 ppb (10) 0.4 ppb (5) N/A 3.2 μg/m3 (14) 13.0
 
Oct. 13, 2020, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 16.0 ppb (15) 0.4 ppb (5) N/A 3.5 μg/m3 (15) 15.0
 
Oct. 13, 2020, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 21.0 ppb (20) 0.4 ppb (5) N/A 3.4 μg/m3 (15) 16.0
 
Oct. 13, 2020, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 23.0 ppb (22) 0.4 ppb (5) N/A 3.5 μg/m3 (15) 18.0
 
Oct. 13, 2020, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 22.0 ppb (21) 0.4 ppb (5) N/A 3.4 μg/m3 (15) 17.0
 
Oct. 13, 2020, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 19.0 ppb (18) 0.4 ppb (5) N/A 2.1 μg/m3 (9) 15.0
 
Oct. 13, 2020, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 17.0 ppb (16) 0.4 ppb (5) N/A 2.8 μg/m3 (12) 13.0
 
Oct. 13, 2020, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 15.0 ppb (14) 0.4 ppb (5) N/A 3.6 μg/m3 (16) 15.0
 
Oct. 13, 2020, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 13.0 ppb (13) 0.4 ppb (5) N/A 2.7 μg/m3 (12) 11.0
 
Oct. 13, 2020, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 11.0 ppb (11) 0.4 ppb (5) N/A 2.3 μg/m3 (10) 10.0
 
Oct. 13, 2020, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 9.0 ppb (9) 0.4 ppb (5) N/A 3.2 μg/m3 (14) 13.0
 
Oct. 13, 2020, noon N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 9.0 ppb (9) 0.4 ppb (5) N/A 3.8 μg/m3 (16) 16.0
 
Oct. 13, 2020, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 11.0 ppb (11) 0.4 ppb (5) N/A 5.5 μg/m3 (23) 23.0
 
Oct. 13, 2020, 10 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 12.0 ppb (12) 0.3 ppb (4) N/A 5.8 μg/m3 (25) 24.0
 
Oct. 13, 2020, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 12.0 ppb (12) 0.3 ppb (4) N/A 6.7 μg/m3 (28) 28.0
 
Oct. 13, 2020, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 13.0 ppb (13) 0.3 ppb (4) N/A 6.9 μg/m3 (29) 29.0
 
Oct. 13, 2020, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 14.0 ppb (13) 0.3 ppb (4) N/A 6.4 μg/m3 (27) 27.0
 
Oct. 13, 2020, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 15.0 ppb (14) 0.3 ppb (4) N/A 8.9 μg/m3 (38) 37.0
 
Oct. 13, 2020, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 16.0 ppb (15) 0.3 ppb (4) N/A 6.4 μg/m3 (27) 27.0
 
Oct. 13, 2020, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 17.0 ppb (16) 0.3 ppb (4) N/A 4.2 μg/m3 (18) 18.0