AQSQID: 516500008

Site Name: Hampton

Location: Hampton City, VA

Reporting: True, Located: True

Current AQI: 19.0

Hampton City VA, US: 37.103683, -76.386948

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 21, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 4.6 μg/m3 (19) 19.0
 
Sept. 21, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.1 ppb (1) N/A 5.1 μg/m3 (21) 21.0
 
Sept. 21, 2019, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 17.0 ppb (13) 0.2 ppb (2) N/A 5.9 μg/m3 (25) 25.0
 
Sept. 21, 2019, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (14) 0.2 ppb (2) N/A 5.6 μg/m3 (23) 23.0
 
Sept. 21, 2019, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (18) 0.1 ppb (1) N/A 3.1 μg/m3 (13) 18.0
 
Sept. 21, 2019, 2 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.2 ppb (2) N/A 3.4 μg/m3 (14) 18.0
 
Sept. 21, 2019, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 21.0
 
Sept. 21, 2019, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (23) 0.2 ppb (2) N/A 3.6 μg/m3 (15) 23.0
 
Sept. 20, 2019, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) N/A 4.8 μg/m3 (20) 27.0
 
Sept. 20, 2019, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 42.0 ppb (32) 0.1 ppb (1) N/A 4.4 μg/m3 (18) 32.0
 
Sept. 20, 2019, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 45.0 ppb (35) 0.1 ppb (1) N/A 4.1 μg/m3 (17) 35.0
 
Sept. 20, 2019, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 45.0 ppb (35) 0.1 ppb (1) N/A 3.9 μg/m3 (16) 35.0
 
Sept. 20, 2019, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 42.0 ppb (32) 0.1 ppb (1) N/A 2.9 μg/m3 (12) 32.0
 
Sept. 20, 2019, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 39.0 ppb (30) 0.1 ppb (1) N/A 3.8 μg/m3 (16) 30.0
 
Sept. 20, 2019, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 38.0 ppb (29) 0.1 ppb (1) N/A 4.3 μg/m3 (18) 29.0
 
Sept. 20, 2019, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 36.0 ppb (28) 0.1 ppb (1) N/A 7.8 μg/m3 (32) 32.0
 
Sept. 20, 2019, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) 0.1 ppb (1) N/A 8.9 μg/m3 (37) 37.0
 
Sept. 20, 2019, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) 0.1 ppb (1) N/A 5.1 μg/m3 (21) 26.0
 
Sept. 20, 2019, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) 0.1 ppb (1) N/A -1.4 μg/m3 (0) 25.0
 
Sept. 20, 2019, noon N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 14.0 ppb (11) 0.2 ppb (2) N/A -1.6 μg/m3 (0) 11.0
 
Sept. 20, 2019, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 1.0 ppb (1) 0.3 ppb (3) N/A 2.9 μg/m3 (12) 12.0
 
Sept. 20, 2019, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 5.0 ppb (4) 0.1 ppb (1) N/A 3.6 μg/m3 (15) 15.0
 
Sept. 20, 2019, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 7.0 ppb (5) 0.1 ppb (1) N/A 2.7 μg/m3 (11) 11.0
 
Sept. 20, 2019, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 10.0 ppb (8) 0.1 ppb (1) N/A 1.6 μg/m3 (7) 8.0
 
Sept. 20, 2019, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 7.0 ppb (5) 0.1 ppb (1) N/A 0.2 μg/m3 (1) 5.0
 
Sept. 20, 2019, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 11.0 ppb (8) 0.1 ppb (1) N/A -0.7 μg/m3 (0) 8.0
 
Sept. 20, 2019, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 13.0 ppb (10) 0.1 ppb (1) N/A 0.0 μg/m3 (0) 10.0
 
Sept. 20, 2019, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (13) 0.1 ppb (1) N/A 1.4 μg/m3 (6) 13.0
 
Sept. 20, 2019, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (16) 0.1 ppb (1) N/A 2.9 μg/m3 (12) 16.0
 
Sept. 20, 2019, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) N/A 3.8 μg/m3 (16) 21.0
 
Sept. 20, 2019, 1 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (25) 0.1 ppb (1) N/A 2.9 μg/m3 (12) 25.0
 
Sept. 20, 2019, midnight N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A 3.5 μg/m3 (15) 25.0
 
Sept. 19, 2019, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (1) 32.0 ppb (25) 0.1 ppb (1) N/A 3.3 μg/m3 (14) 25.0
 
Sept. 19, 2019, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A 3.7 μg/m3 (15) 25.0
 
Sept. 19, 2019, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 27.0
 
Sept. 19, 2019, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) N/A 2.9 μg/m3 (12) 27.0
 
Sept. 19, 2019, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) N/A 2.7 μg/m3 (11) 27.0
 
Sept. 19, 2019, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) 0.1 ppb (1) N/A 3.6 μg/m3 (15) 27.0
 
Sept. 19, 2019, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) 0.1 ppb (1) N/A 3.4 μg/m3 (14) 28.0
 
Sept. 19, 2019, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) 0.1 ppb (1) N/A 4.6 μg/m3 (19) 28.0
 
Sept. 19, 2019, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) 0.1 ppb (1) N/A 4.6 μg/m3 (19) 27.0
 
Sept. 19, 2019, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) N/A 5.5 μg/m3 (23) 27.0
 
Sept. 19, 2019, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) N/A 3.1 μg/m3 (13) 26.0
 
Sept. 19, 2019, noon N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) 0.1 ppb (1) N/A 2.8 μg/m3 (12) 26.0
 
Sept. 19, 2019, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A 3.7 μg/m3 (15) 25.0
 
Sept. 19, 2019, 10 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) N/A 4.1 μg/m3 (17) 26.0
 
Sept. 19, 2019, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 27.0
 
Sept. 19, 2019, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) N/A 3.6 μg/m3 (15) 26.0
 
Sept. 19, 2019, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) N/A 3.1 μg/m3 (13) 26.0
 
Sept. 19, 2019, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) 0.1 ppb (1) N/A 2.9 μg/m3 (12) 27.0
 
Sept. 19, 2019, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 27.0
 
Sept. 19, 2019, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 28.0
 
Sept. 19, 2019, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) N/A 4.7 μg/m3 (20) 26.0
 
Sept. 19, 2019, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) 0.1 ppb (1) N/A 3.7 μg/m3 (15) 24.0
 
Sept. 19, 2019, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) N/A 4.7 μg/m3 (20) 23.0
 
Sept. 19, 2019, midnight N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) 0.1 ppb (1) N/A 3.1 μg/m3 (13) 25.0
 
Sept. 18, 2019, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) N/A 3.3 μg/m3 (14) 23.0
 
Sept. 18, 2019, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) N/A 3.4 μg/m3 (14) 22.0
 
Sept. 18, 2019, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 27.0 ppb (21) 0.1 ppb (1) N/A 2.6 μg/m3 (11) 21.0
 
Sept. 18, 2019, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) N/A 1.5 μg/m3 (6) 21.0
 
Sept. 18, 2019, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 26.0 ppb (20) 0.1 ppb (1) N/A 2.4 μg/m3 (10) 20.0
 
Sept. 18, 2019, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 27.0 ppb (21) 0.1 ppb (1) N/A 1.6 μg/m3 (7) 21.0
 
Sept. 18, 2019, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 28.0 ppb (22) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 22.0
 
Sept. 18, 2019, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 27.0 ppb (21) 0.1 ppb (1) N/A 3.5 μg/m3 (15) 21.0
 
Sept. 18, 2019, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 26.0 ppb (20) 0.1 ppb (1) N/A 3.7 μg/m3 (15) 20.0
 
Sept. 18, 2019, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 27.0 ppb (21) 0.1 ppb (1) N/A 4.2 μg/m3 (18) 21.0
 
Sept. 18, 2019, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 28.0 ppb (22) 0.1 ppb (1) N/A 3.5 μg/m3 (15) 22.0
 
Sept. 18, 2019, noon N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 31.0 ppb (24) 0.1 ppb (1) N/A 3.5 μg/m3 (15) 24.0
 
Sept. 18, 2019, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) N/A 4.2 μg/m3 (18) 26.0
 
Sept. 18, 2019, 10 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 36.0 ppb (28) 0.1 ppb (1) N/A 2.5 μg/m3 (10) 28.0
 
Sept. 18, 2019, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A 0.1 ppb (1) N/A 3.9 μg/m3 (16) 16.0
 
Sept. 18, 2019, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) 0.1 ppb (1) N/A 4.5 μg/m3 (19) 29.0
 
Sept. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 39.0 ppb (30) N/A N/A 6.6 μg/m3 (28) 30.0
 
Sept. 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 40.0 ppb (31) 0.1 ppb (1) N/A 7.4 μg/m3 (31) 31.0
 
Sept. 18, 2019, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 40.0 ppb (31) 0.1 ppb (1) N/A 5.5 μg/m3 (23) 31.0
 
Sept. 18, 2019, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 39.0 ppb (30) 0.1 ppb (1) N/A 4.3 μg/m3 (18) 30.0
 
Sept. 18, 2019, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 38.0 ppb (29) 0.1 ppb (1) N/A 4.7 μg/m3 (20) 29.0
 
Sept. 18, 2019, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) 0.1 ppb (1) N/A 7.3 μg/m3 (30) 31.0
 
Sept. 18, 2019, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 37.0 ppb (28) 0.1 ppb (1) N/A 9.8 μg/m3 (41) 41.0
 
Sept. 18, 2019, midnight N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (1) 35.0 ppb (27) 0.1 ppb (1) N/A 8.8 μg/m3 (37) 37.0
 
Sept. 17, 2019, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) 0.1 ppb (1) N/A 6.7 μg/m3 (28) 28.0
 
Sept. 17, 2019, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 38.0 ppb (29) 0.1 ppb (1) N/A 6.2 μg/m3 (26) 29.0
 
Sept. 17, 2019, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (32) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 32.0
 
Sept. 17, 2019, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 43.0 ppb (33) 0.1 ppb (1) N/A 6.7 μg/m3 (28) 33.0
 
Sept. 17, 2019, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 42.0 ppb (32) 0.1 ppb (1) N/A 7.6 μg/m3 (32) 32.0
 
Sept. 17, 2019, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 42.0 ppb (32) 0.1 ppb (1) N/A 8.8 μg/m3 (37) 37.0
 
Sept. 17, 2019, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 42.0 ppb (32) 0.1 ppb (1) N/A 9.2 μg/m3 (38) 38.0
 
Sept. 17, 2019, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 42.0 ppb (32) 0.1 ppb (1) N/A 8.7 μg/m3 (36) 36.0
 
Sept. 17, 2019, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 47.0 ppb (36) 0.2 ppb (2) N/A 8.7 μg/m3 (36) 36.0
 
Sept. 17, 2019, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 48.0 ppb (37) 0.2 ppb (2) N/A 9.6 μg/m3 (40) 40.0
 
Sept. 17, 2019, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 45.0 ppb (35) 0.2 ppb (2) N/A 6.2 μg/m3 (26) 35.0
 
Sept. 17, 2019, noon N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 36.0 ppb (28) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 28.0
 
Sept. 17, 2019, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 32.0 ppb (25) 0.1 ppb (1) N/A 1.3 μg/m3 (5) 25.0
 
Sept. 17, 2019, 10 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 25.0 ppb (19) 0.1 ppb (1) N/A 2.5 μg/m3 (10) 19.0
 
Sept. 17, 2019, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 7.0 ppb (5) 0.2 ppb (2) N/A 3.1 μg/m3 (13) 13.0
 
Sept. 17, 2019, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 5.0 ppb (4) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2019, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 3.0 ppb (2) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2019, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 2.0 ppb (2) 0.2 ppb (2) N/A 4.5 μg/m3 (19) 19.0
 
Sept. 17, 2019, 5 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 8.0 ppb (6) 0.2 ppb (2) N/A 5.4 μg/m3 (23) 23.0
 
Sept. 17, 2019, 4 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 10.0 ppb (8) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2019, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 14.0 ppb (11) 0.2 ppb (2) N/A 2.6 μg/m3 (11) 11.0
 
Sept. 17, 2019, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 22.0 ppb (17) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2019, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 22.0
 
Sept. 17, 2019, midnight N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 26.0 ppb (20) 0.1 ppb (1) N/A 5.2 μg/m3 (22) 22.0
 
Sept. 16, 2019, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) 0.1 ppb (1) N/A 8.3 μg/m3 (35) 35.0
 
Sept. 16, 2019, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 47.0 ppb (36) 0.2 ppb (2) N/A 8.0 μg/m3 (33) 36.0
 
Sept. 16, 2019, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 50.0 ppb (38) 0.2 ppb (2) N/A 7.2 μg/m3 (30) 38.0
 
Sept. 16, 2019, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 55.0 ppb (42) 0.2 ppb (2) N/A 7.8 μg/m3 (32) 42.0
 
Sept. 16, 2019, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 60.0 ppb (46) 0.2 ppb (2) N/A 9.6 μg/m3 (40) 46.0
 
Sept. 16, 2019, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 59.0 ppb (45) 0.2 ppb (2) N/A 10.5 μg/m3 (44) 45.0
 
Sept. 16, 2019, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 52.0 ppb (40) 0.2 ppb (2) N/A 9.2 μg/m3 (38) 40.0
 
Sept. 16, 2019, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 44.0 ppb (34) 0.2 ppb (2) N/A 9.3 μg/m3 (39) 39.0
 
Sept. 16, 2019, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 40.0 ppb (31) 0.2 ppb (2) N/A 9.4 μg/m3 (39) 39.0
 
Sept. 16, 2019, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) 0.2 ppb (2) N/A 6.1 μg/m3 (25) 28.0
 
Sept. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.9 μg/m3 (0) N/A
Sept. 16, 2019, noon N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (12) 0.2 ppb (2) N/A -0.2 μg/m3 (0) 12.0
 
Sept. 16, 2019, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 6.0 ppb (5) 0.2 ppb (2) N/A 2.3 μg/m3 (10) 10.0
 
Sept. 16, 2019, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 5.0 ppb (4) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 16, 2019, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 2.0 ppb (2) 0.2 ppb (2) N/A 2.9 μg/m3 (12) 12.0
 
Sept. 16, 2019, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 3.0 ppb (2) 0.2 ppb (2) N/A 2.2 μg/m3 (9) 9.0
 
Sept. 16, 2019, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 0.0 ppb (0) 0.2 ppb (2) N/A 1.8 μg/m3 (8) 8.0
 
Sept. 16, 2019, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 1.0 ppb (1) 0.2 ppb (2) N/A 0.3 μg/m3 (1) 2.0
 
Sept. 16, 2019, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 5.0 ppb (4) 0.2 ppb (2) N/A 2.3 μg/m3 (10) 10.0
 
Sept. 16, 2019, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 8.0 ppb (6) 0.2 ppb (2) N/A 3.3 μg/m3 (14) 14.0
 
Sept. 16, 2019, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) 0.2 ppb (2) N/A 2.6 μg/m3 (11) 12.0
 
Sept. 16, 2019, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 21.0 ppb (16) 0.2 ppb (2) N/A 1.2 μg/m3 (5) 16.0
 
Sept. 16, 2019, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 17.0 ppb (13) 0.2 ppb (2) N/A 2.7 μg/m3 (11) 13.0
 
Sept. 16, 2019, midnight N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 26.0 ppb (20) 0.2 ppb (2) N/A 2.8 μg/m3 (12) 20.0
 
Sept. 15, 2019, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 28.0 ppb (22) 0.2 ppb (2) N/A 2.5 μg/m3 (10) 22.0
 
Sept. 15, 2019, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 30.0 ppb (23) 0.2 ppb (2) N/A 4.1 μg/m3 (17) 23.0
 
Sept. 15, 2019, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 32.0 ppb (25) 0.2 ppb (2) N/A 6.4 μg/m3 (27) 27.0
 
Sept. 15, 2019, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.2 ppb (2) N/A 6.6 μg/m3 (28) 28.0
 
Sept. 15, 2019, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) 0.2 ppb (2) N/A 7.8 μg/m3 (32) 32.0
 
Sept. 15, 2019, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) 0.2 ppb (2) N/A 7.7 μg/m3 (32) 32.0
 
Sept. 15, 2019, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 36.0 ppb (28) 0.2 ppb (2) N/A 7.3 μg/m3 (30) 30.0
 
Sept. 15, 2019, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 37.0 ppb (28) 0.2 ppb (2) N/A 7.5 μg/m3 (31) 31.0
 
Sept. 15, 2019, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) 0.2 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 32.0 ppb (25) 0.2 ppb (2) N/A 3.6 μg/m3 (15) 25.0
 
Sept. 15, 2019, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 26.0 ppb (20) 0.2 ppb (2) N/A -0.4 μg/m3 (0) 20.0
 
Sept. 15, 2019, noon N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 10.0 ppb (8) 0.2 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 15, 2019, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 1.0 ppb (1) 0.2 ppb (2) N/A 3.4 μg/m3 (14) 14.0
 
Sept. 15, 2019, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 1.0 ppb (1) 0.2 ppb (2) N/A 3.6 μg/m3 (15) 15.0
 
Sept. 15, 2019, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A 0.2 ppb (2) N/A 2.6 μg/m3 (11) 11.0
 
Sept. 15, 2019, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 2.0 ppb (2) 0.2 ppb (2) N/A 1.9 μg/m3 (8) 8.0
 
Sept. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 6.0 ppb (5) N/A N/A 2.1 μg/m3 (9) 9.0
 
Sept. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 4.0 ppb (3) 0.3 ppb (3) N/A 4.5 μg/m3 (19) 19.0
 
Sept. 15, 2019, 5 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 7.0 ppb (5) 0.3 ppb (3) N/A 4.6 μg/m3 (19) 19.0
 
Sept. 15, 2019, 4 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 14.0 ppb (11) 0.3 ppb (3) N/A 4.4 μg/m3 (18) 18.0
 
Sept. 15, 2019, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 21.0 ppb (16) 0.3 ppb (3) N/A 4.3 μg/m3 (18) 18.0
 
Sept. 15, 2019, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 23.0 ppb (18) 0.3 ppb (3) N/A 6.4 μg/m3 (27) 27.0
 
Sept. 15, 2019, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 24.0 ppb (18) 0.2 ppb (2) N/A 6.2 μg/m3 (26) 26.0
 
Sept. 15, 2019, midnight N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) 0.2 ppb (2) N/A 5.7 μg/m3 (24) 24.0
 
Sept. 14, 2019, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 29.0 ppb (22) 0.2 ppb (2) N/A 5.7 μg/m3 (24) 24.0
 
Sept. 14, 2019, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 31.0 ppb (24) 0.2 ppb (2) N/A 6.2 μg/m3 (26) 26.0
 
Sept. 14, 2019, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) 0.2 ppb (2) N/A 6.2 μg/m3 (26) 26.0
 
Sept. 14, 2019, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 33.0 ppb (25) 0.2 ppb (2) N/A 6.1 μg/m3 (25) 25.0
 
Sept. 14, 2019, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (1) 34.0 ppb (26) 0.2 ppb (2) N/A 6.6 μg/m3 (28) 28.0
 
Sept. 14, 2019, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (1) 33.0 ppb (25) 0.2 ppb (2) N/A 5.9 μg/m3 (25) 25.0
 
Sept. 14, 2019, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) 0.2 ppb (2) N/A 6.6 μg/m3 (28) 28.0
 
Sept. 14, 2019, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) 0.2 ppb (2) N/A 6.7 μg/m3 (28) 28.0
 
Sept. 14, 2019, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) 0.2 ppb (2) N/A 6.7 μg/m3 (28) 28.0
 
Sept. 14, 2019, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) 0.2 ppb (2) N/A 6.7 μg/m3 (28) 28.0
 
Sept. 14, 2019, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 31.0 ppb (24) 0.2 ppb (2) N/A 6.1 μg/m3 (25) 25.0
 
Sept. 14, 2019, noon N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (23) 0.2 ppb (2) N/A 4.3 μg/m3 (18) 23.0
 
Sept. 14, 2019, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) N/A 4.2 μg/m3 (18) 19.0
 
Sept. 14, 2019, 10 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 27.0 ppb (21) 0.2 ppb (2) N/A 4.4 μg/m3 (18) 21.0
 
Sept. 14, 2019, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 29.0 ppb (22) 0.2 ppb (2) N/A 4.3 μg/m3 (18) 22.0
 
Sept. 14, 2019, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (22) 0.2 ppb (2) N/A 4.6 μg/m3 (19) 22.0