AQSQID: 240230002

Site Name: Piney Run

Location: Garrett Co, MD

Reporting: True, Located: True

Current AQI: 33.0

Garrett Co MD, US: 39.705799, -79.011902

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 19, 2019, 5 p.m. 5.3 ppb (5) 0.5 ppb (0) 8.1 ppb (8) 5.0 ppb (5) N/A 0.0 ppb (0) 7.0 ppb (5) 0.19 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 19, 2019, 4 p.m. 4.4 ppb (4) 0.4 ppb (0) 6.3 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 9.0 ppb (7) 0.18 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2019, 3 p.m. 4.0 ppb (4) 0.3 ppb (0) 5.8 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 9.0 ppb (7) 0.17 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2019, 2 p.m. 3.7 ppb (3) 0.2 ppb (0) 5.8 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 9.0 ppb (7) 0.17 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 19, 2019, 1 p.m. 3.1 ppb (3) 0.2 ppb (0) 4.7 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 10.0 ppb (8) 0.17 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 19, 2019, noon 2.9 ppb (3) 0.1 ppb (0) 4.2 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 11.0 ppb (8) 0.16 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 19, 2019, 11 a.m. 2.6 ppb (2) 0.1 ppb (0) 3.2 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 12.0 ppb (9) 0.15 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 19, 2019, 10 a.m. 2.7 ppb (3) 0.1 ppb (0) 3.4 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 12.0 ppb (9) 0.15 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2019, 9 a.m. 2.7 ppb (3) 0.1 ppb (0) 3.7 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 10.0 ppb (8) 0.15 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 19, 2019, 8 a.m. 2.4 ppb (2) 0.1 ppb (0) 3.4 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 10.0 ppb (8) 0.15 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2019, 7 a.m. 2.3 ppb (2) 0.1 ppb (0) 3.2 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 11.0 ppb (8) 0.14 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2019, 6 a.m. 2.3 ppb (2) 0.1 ppb (0) 2.8 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 11.0 ppb (8) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2019, 5 a.m. 2.4 ppb (2) 0.1 ppb (0) 2.9 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 12.0 ppb (9) 0.14 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 19, 2019, 4 a.m. 2.6 ppb (2) 0.1 ppb (0) 2.9 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 12.0 ppb (9) 0.14 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 19, 2019, 3 a.m. 2.9 ppb (3) 0.1 ppb (0) 3.3 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 12.0 ppb (9) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2019, 2 a.m. 3.2 ppb (3) 0.1 ppb (0) 3.4 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 11.0 ppb (8) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2019, 1 a.m. 3.7 ppb (3) 0.2 ppb (0) 3.8 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 10.0 ppb (8) 0.15 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 19, 2019, midnight 4.9 ppb (5) 0.2 ppb (0) 4.9 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 7.0 ppb (5) 0.17 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 18, 2019, 11 p.m. 5.7 ppb (5) 0.2 ppb (0) 6.4 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 5.0 ppb (4) 0.17 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 18, 2019, 10 p.m. 6.0 ppb (6) 0.2 ppb (0) 6.5 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 4.0 ppb (3) 0.17 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2019, 9 p.m. 6.2 ppb (6) 0.4 ppb (0) 6.7 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 4.0 ppb (3) 0.17 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 18, 2019, 8 p.m. 6.3 ppb (6) 0.5 ppb (0) 7.0 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 4.0 ppb (3) 0.17 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Jan. 18, 2019, 7 p.m. 6.3 ppb (6) 0.6 ppb (1) 7.8 ppb (7) 6.0 ppb (6) N/A 0.0 ppb (0) 4.0 ppb (3) 0.16 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 18, 2019, 6 p.m. 5.3 ppb (5) 0.6 ppb (1) 6.8 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 4.0 ppb (3) 0.16 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 18, 2019, 5 p.m. 4.4 ppb (4) 0.5 ppb (0) 4.7 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 4.0 ppb (3) 0.16 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 18, 2019, 4 p.m. 4.2 ppb (4) 0.5 ppb (0) 4.2 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 4.0 ppb (3) 0.16 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Jan. 18, 2019, 3 p.m. 4.3 ppb (4) 0.5 ppb (0) 3.9 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 4.0 ppb (3) 0.16 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Jan. 18, 2019, 2 p.m. 4.4 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 5.0 ppb (4) 0.15 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
Jan. 18, 2019, 1 p.m. 4.3 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 5.0 ppb (4) 0.15 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Jan. 18, 2019, noon 3.8 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 6.0 ppb (5) 0.15 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 18, 2019, 11 a.m. 3.6 ppb (3) 0.1 ppb (0) 3.4 ppb (3) 3.0 ppb (3) N/A 1.0 ppb (1) 6.0 ppb (5) 0.15 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2019, 10 a.m. 3.9 ppb (4) 0.2 ppb (0) 4.7 ppb (4) 4.0 ppb (4) N/A N/A 6.0 ppb (5) 0.16 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2019, 9 a.m. 3.6 ppb (3) 0.2 ppb (0) 4.6 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 7.0 ppb (5) 0.17 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 18, 2019, 8 a.m. 3.4 ppb (3) 0.2 ppb (0) 4.0 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 7.0 ppb (5) 0.16 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2019, 7 a.m. 3.3 ppb (3) 0.2 ppb (0) 4.0 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 8.0 ppb (6) 0.17 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2019, 6 a.m. 3.2 ppb (3) 0.1 ppb (0) 3.8 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 9.0 ppb (7) 0.16 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2019, 5 a.m. 3.4 ppb (3) 0.1 ppb (0) 3.9 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 9.0 ppb (7) 0.16 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 18, 2019, 4 a.m. 3.5 ppb (3) 0.1 ppb (0) 4.3 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 9.0 ppb (7) 0.17 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2019, 3 a.m. 3.6 ppb (3) 0.1 ppb (0) 4.5 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 9.0 ppb (7) 0.15 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 18, 2019, 2 a.m. 3.6 ppb (3) 0.1 ppb (0) 4.4 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 10.0 ppb (8) 0.14 ppb (2) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 18, 2019, 1 a.m. 3.8 ppb (4) 0.1 ppb (0) 4.4 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 10.0 ppb (8) 0.14 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2019, midnight 4.1 ppb (4) 0.1 ppb (0) 4.3 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 10.0 ppb (8) 0.14 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 17, 2019, 11 p.m. 4.8 ppb (4) 0.2 ppb (0) 4.7 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 10.0 ppb (8) 0.15 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2019, 10 p.m. 6.2 ppb (6) 0.2 ppb (0) 7.4 ppb (7) 6.0 ppb (6) N/A 0.0 ppb (0) 9.0 ppb (7) 0.16 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2019, 9 p.m. 6.2 ppb (6) 0.4 ppb (0) 8.3 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 9.0 ppb (7) 0.16 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2019, 8 p.m. 5.2 ppb (5) 0.3 ppb (0) 7.2 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 10.0 ppb (8) 0.14 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2019, 7 p.m. 4.3 ppb (4) 0.3 ppb (0) 5.8 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 10.0 ppb (8) 0.13 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2019, 6 p.m. 4.0 ppb (4) 0.4 ppb (0) 5.0 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 10.0 ppb (8) 0.13 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2019, 5 p.m. 4.1 ppb (4) 0.4 ppb (0) 4.6 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 10.0 ppb (8) 0.13 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 17, 2019, 4 p.m. 4.6 ppb (4) 0.5 ppb (0) 5.8 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 9.0 ppb (7) 0.13 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2019, 3 p.m. 4.6 ppb (4) 0.6 ppb (1) 5.8 ppb (5) 4.0 ppb (4) N/A 1.0 ppb (1) 9.0 ppb (7) 0.13 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2019, 2 p.m. 4.8 ppb (4) 0.5 ppb (0) 6.5 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 9.0 ppb (7) 0.13 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 17, 2019, 1 p.m. 3.9 ppb (4) 0.3 ppb (0) 5.8 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 8.0 ppb (6) 0.12 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2019, noon 3.7 ppb (3) 0.2 ppb (0) 4.6 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 8.0 ppb (6) 0.12 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2019, 11 a.m. 3.4 ppb (3) 0.1 ppb (0) 5.1 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 8.0 ppb (6) 0.12 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2019, 10 a.m. 3.2 ppb (3) 0.1 ppb (0) 5.5 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 10.0 ppb (8) 0.12 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2019, 9 a.m. 2.8 ppb (3) 0.1 ppb (0) 3.6 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 10.0 ppb (8) 0.12 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2019, 8 a.m. 3.0 ppb (3) 0.1 ppb (0) 3.7 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 10.0 ppb (8) 0.12 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2019, 7 a.m. 3.1 ppb (3) 0.1 ppb (0) 3.9 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 10.0 ppb (8) 0.12 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2019, 6 a.m. 3.2 ppb (3) 0.1 ppb (0) 3.8 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 11.0 ppb (8) 0.12 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2019, 5 a.m. 3.0 ppb (3) 0.1 ppb (0) 3.9 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 11.0 ppb (8) 0.12 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2019, 4 a.m. 2.6 ppb (2) 0.1 ppb (0) 3.4 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 11.0 ppb (8) 0.12 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2019, 3 a.m. 2.5 ppb (2) 0.1 ppb (0) 3.2 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 12.0 ppb (9) 0.12 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2019, 2 a.m. 2.1 ppb (2) 0.1 ppb (0) 2.6 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 12.0 ppb (9) 0.12 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2019, 1 a.m. 2.0 ppb (2) 0.1 ppb (0) 2.2 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 13.0 ppb (10) 0.12 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2019, midnight 2.2 ppb (2) 0.1 ppb (0) 2.1 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 13.0 ppb (10) 0.13 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2019, 11 p.m. 2.4 ppb (2) 0.1 ppb (0) 2.1 ppb (2) 2.0 ppb (2) N/A N/A 12.0 ppb (9) 0.13 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 16, 2019, 10 p.m. 2.9 ppb (3) 0.1 ppb (0) 2.5 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 11.0 ppb (8) 0.13 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2019, 9 p.m. 3.2 ppb (3) 0.1 ppb (0) 3.2 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 10.0 ppb (8) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2019, 8 p.m. 3.1 ppb (3) 0.2 ppb (0) 3.4 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 10.0 ppb (8) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2019, 7 p.m. 2.8 ppb (3) 0.2 ppb (0) 2.9 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 11.0 ppb (8) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 16, 2019, 6 p.m. 2.7 ppb (3) 0.2 ppb (0) 2.7 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 11.0 ppb (8) 0.13 ppb (1) N/A 2.0 μg/m3 (8) 8.0
 
Jan. 16, 2019, 5 p.m. 2.6 ppb (2) 0.2 ppb (0) 2.6 ppb (2) N/A N/A 0.0 ppb (0) 11.0 ppb (8) 0.13 ppb (1) N/A 1.0 μg/m3 (4) 8.0
 
Jan. 16, 2019, 4 p.m. 2.6 ppb (2) 0.2 ppb (0) 2.4 ppb (2) N/A N/A 0.0 ppb (0) 12.0 ppb (9) 0.13 ppb (1) N/A 2.0 μg/m3 (8) 9.0
 
Jan. 16, 2019, 3 p.m. 2.6 ppb (2) 0.2 ppb (0) 2.5 ppb (2) N/A N/A 0.0 ppb (0) 12.0 ppb (9) 0.13 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 16, 2019, 2 p.m. 2.6 ppb (2) 0.2 ppb (0) 2.5 ppb (2) N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.13 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 16, 2019, 1 p.m. 2.4 ppb (2) 0.1 ppb (0) 2.5 ppb (2) N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.13 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2019, noon 2.5 ppb (2) 0.1 ppb (0) 2.7 ppb (3) N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.13 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 16, 2019, 11 a.m. 2.4 ppb (2) 0.1 ppb (0) 3.3 ppb (3) N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.13 ppb (1) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2019, 10 a.m. 2.0 ppb (2) 0.1 ppb (0) 2.6 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 14.0 ppb (11) 0.12 ppb (1) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 16, 2019, 9 a.m. 1.9 ppb (2) 0.1 ppb (0) 2.2 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (12) 0.12 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 16, 2019, 8 a.m. 2.0 ppb (2) 0.1 ppb (0) 1.4 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (12) 0.12 ppb (1) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 16, 2019, 7 a.m. 2.1 ppb (2) 0.1 ppb (0) 2.4 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (12) 0.13 ppb (1) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 16, 2019, 6 a.m. 2.2 ppb (2) 0.1 ppb (0) 2.7 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (12) 0.13 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2019, 5 a.m. 2.2 ppb (2) 0.1 ppb (0) 2.9 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (12) 0.13 ppb (1) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 16, 2019, 4 a.m. 2.2 ppb (2) 0.1 ppb (0) 2.7 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (12) 0.13 ppb (1) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 16, 2019, 3 a.m. 2.0 ppb (2) 0.1 ppb (0) 2.5 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) 0.13 ppb (1) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 16, 2019, 2 a.m. 1.9 ppb (2) 0.1 ppb (0) 1.9 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (13) 0.12 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2019, 1 a.m. 2.2 ppb (2) 0.1 ppb (0) 2.1 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (13) 0.12 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 16, 2019, midnight 2.4 ppb (2) 0.1 ppb (0) 2.6 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (13) 0.12 ppb (1) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2019, 11 p.m. 2.5 ppb (2) 0.1 ppb (0) 2.6 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (13) 0.12 ppb (1) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2019, 10 p.m. 2.6 ppb (2) 0.1 ppb (0) 2.8 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (13) 0.12 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, 9 p.m. 2.4 ppb (2) 0.1 ppb (0) 2.6 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) 0.12 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2019, 8 p.m. 2.3 ppb (2) 0.2 ppb (0) 2.1 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) 0.12 ppb (1) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2019, 7 p.m. 2.7 ppb (3) 0.3 ppb (0) 2.5 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (12) 0.14 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2019, 6 p.m. 3.2 ppb (3) 0.4 ppb (0) 3.2 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 16.0 ppb (12) 0.17 ppb (2) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 15, 2019, 5 p.m. 3.4 ppb (3) 0.4 ppb (0) 3.4 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 15.0 ppb (12) 0.18 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2019, 4 p.m. 3.9 ppb (4) 0.3 ppb (0) 4.3 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 17.0 ppb (13) 0.18 ppb (2) N/A N/A 13.0
 
Jan. 15, 2019, 3 p.m. 3.4 ppb (3) 0.3 ppb (0) 4.1 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 16.0 ppb (12) 0.16 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2019, 2 p.m. 2.8 ppb (3) 0.2 ppb (0) 3.1 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 16.0 ppb (12) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 1 p.m. 2.9 ppb (3) 0.1 ppb (0) 3.4 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 16.0 ppb (12) 0.14 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, noon 2.5 ppb (2) 0.1 ppb (0) 3.1 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) 0.14 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2019, 11 a.m. 2.5 ppb (2) 0.1 ppb (0) 2.4 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 10 a.m. 2.8 ppb (3) 0.1 ppb (0) 3.1 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 15.0 ppb (12) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 9 a.m. 3.0 ppb (3) 0.1 ppb (0) 3.3 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 15.0 ppb (12) 0.14 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2019, 8 a.m. 3.1 ppb (3) 0.1 ppb (0) 3.3 ppb (3) 3.0 ppb (3) N/A N/A 15.0 ppb (12) 0.14 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2019, 7 a.m. 3.7 ppb (3) 0.1 ppb (0) 4.2 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2019, 6 a.m. 3.8 ppb (4) 0.1 ppb (0) 4.2 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 14.0 ppb (11) 0.15 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, 5 a.m. 4.3 ppb (4) 0.1 ppb (0) 4.8 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 13.0 ppb (10) 0.16 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2019, 4 a.m. 4.9 ppb (5) 0.2 ppb (0) 5.3 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 12.0 ppb (9) 0.17 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, 3 a.m. 5.6 ppb (5) 0.2 ppb (0) 6.2 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 10.0 ppb (8) 0.18 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2019, 2 a.m. 6.6 ppb (6) 0.2 ppb (0) 8.0 ppb (7) 6.0 ppb (6) N/A 0.0 ppb (0) 9.0 ppb (7) 0.19 ppb (2) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 15, 2019, 1 a.m. 7.5 ppb (7) 0.2 ppb (0) 10.4 ppb (10) 7.0 ppb (6) N/A 0.0 ppb (0) 8.0 ppb (6) 0.19 ppb (2) N/A 17.0 μg/m3 (61) 61.0
 
Jan. 15, 2019, midnight 6.9 ppb (6) 0.1 ppb (0) 11.2 ppb (10) 7.0 ppb (6) N/A 0.0 ppb (0) 9.0 ppb (7) 0.18 ppb (2) N/A 21.0 μg/m3 (69) 69.0
 
Jan. 14, 2019, 11 p.m. 4.6 ppb (4) 0.1 ppb (0) 7.2 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 11.0 ppb (8) 0.17 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 14, 2019, 10 p.m. 3.5 ppb (3) 0.1 ppb (0) 4.8 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 12.0 ppb (9) 0.16 ppb (2) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 14, 2019, 9 p.m. 3.1 ppb (3) 0.2 ppb (0) 3.4 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 13.0 ppb (10) 0.15 ppb (2) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 14, 2019, 8 p.m. 3.1 ppb (3) 0.3 ppb (0) 3.4 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 13.0 ppb (10) 0.14 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2019, 7 p.m. 2.9 ppb (3) 0.3 ppb (0) 2.8 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 13.0 ppb (10) 0.15 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2019, 6 p.m. 2.8 ppb (3) 0.3 ppb (0) 2.3 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 12.0 ppb (9) 0.15 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 14, 2019, 5 p.m. N/A N/A 3.1 ppb (3) N/A N/A 0.0 ppb (0) 11.0 ppb (8) 0.15 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2019, 4 p.m. N/A N/A 3.6 ppb (3) N/A N/A 0.0 ppb (0) 12.0 ppb (9) 0.16 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 3 p.m. N/A N/A 2.9 ppb (3) N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 14, 2019, 2 p.m. 2.4 ppb (2) 0.2 ppb (0) 2.4 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (12) 0.14 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 14, 2019, 1 p.m. 2.5 ppb (2) 0.1 ppb (0) 2.9 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (12) 0.14 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 14, 2019, noon 2.0 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (12) 0.13 ppb (1) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 14, 2019, 11 a.m. 1.4 ppb (1) -0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) 0.13 ppb (1) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 14, 2019, 10 a.m. 1.8 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (13) 0.13 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 14, 2019, 9 a.m. 1.6 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (13) 0.13 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 8 a.m. 1.7 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (13) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 7 a.m. 1.8 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (13) 0.14 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2019, 6 a.m. 2.0 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 14, 2019, 5 a.m. 2.2 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (12) 0.15 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 4 a.m. 2.5 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 14.0 ppb (11) 0.17 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2019, 3 a.m. 2.8 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 14.0 ppb (11) 0.16 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 14, 2019, 2 a.m. 3.1 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 14.0 ppb (11) 0.16 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 14, 2019, 1 a.m. 3.6 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 13.0 ppb (10) 0.17 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 14, 2019, midnight 4.2 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 12.0 ppb (9) 0.17 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 13, 2019, 11 p.m. 4.5 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 12.0 ppb (9) 0.18 ppb (2) N/A 18.0 μg/m3 (63) 63.0
 
Jan. 13, 2019, 10 p.m. 4.4 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 12.0 ppb (9) 0.18 ppb (2) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 13, 2019, 9 p.m. 4.3 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 12.0 ppb (9) 0.17 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 13, 2019, 8 p.m. 4.2 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 12.0 ppb (9) 0.17 ppb (2) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 13, 2019, 7 p.m. 3.9 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 12.0 ppb (9) 0.17 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 13, 2019, 6 p.m. 3.8 ppb (4) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 12.0 ppb (9) 0.17 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2019, 5 p.m. 3.7 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 11.0 ppb (8) 0.17 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2019, 4 p.m. 3.9 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 11.0 ppb (8) 0.18 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2019, 3 p.m. 3.9 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 11.0 ppb (8) 0.18 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2019, 2 p.m. 4.0 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 11.0 ppb (8) 0.18 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 12, 2019, 4 a.m. 5.1 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 10.0 ppb (8) 0.18 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2019, 3 a.m. 4.8 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 11.0 ppb (8) 0.17 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 12, 2019, 2 a.m. 3.9 ppb (4) 0.1 ppb (0) 5.7 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 14.0 ppb (11) 0.15 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 12, 2019, 1 a.m. 3.6 ppb (3) 0.1 ppb (0) 6.0 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 16.0 ppb (12) 0.15 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 12, 2019, midnight 3.1 ppb (3) 0.1 ppb (0) 4.0 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 17.0 ppb (13) 0.13 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 11, 2019, 11 p.m. 3.1 ppb (3) 0.0 ppb (0) 3.9 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 17.0 ppb (13) 0.12 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2019, 10 p.m. 3.1 ppb (3) 0.0 ppb (0) 3.9 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 17.0 ppb (13) 0.12 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 11, 2019, 9 p.m. 2.9 ppb (3) 0.1 ppb (0) 3.7 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 16.0 ppb (12) 0.12 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 11, 2019, 8 p.m. 2.6 ppb (2) 0.3 ppb (0) 3.3 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (12) 0.12 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2019, 7 p.m. 2.3 ppb (2) 0.3 ppb (0) 2.8 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) 0.12 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 11, 2019, 6 p.m. 2.1 ppb (2) 0.3 ppb (0) 2.4 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) 0.12 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 11, 2019, 5 p.m. 2.0 ppb (2) 0.2 ppb (0) 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) 0.11 ppb (1) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 11, 2019, 4 p.m. 1.9 ppb (2) 0.2 ppb (0) 1.9 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (13) 0.12 ppb (1) N/A 3.0 μg/m3 (12) 13.0
 
Jan. 11, 2019, 3 p.m. 2.1 ppb (2) 0.2 ppb (0) 2.1 ppb (2) 2.0 ppb (2) N/A 1.0 ppb (1) 18.0 ppb (14) 0.12 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2019, 2 p.m. 1.9 ppb (2) 0.2 ppb (0) 2.4 ppb (2) 2.0 ppb (2) N/A 1.0 ppb (1) 20.0 ppb (15) 0.12 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2019, 1 p.m. 1.4 ppb (1) 0.1 ppb (0) 1.5 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (15) 0.12 ppb (1) N/A 3.0 μg/m3 (12) 15.0
 
Jan. 11, 2019, noon 1.3 ppb (1) 0.0 ppb (0) 1.1 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (16) 0.12 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2019, 11 a.m. 1.6 ppb (1) 0.0 ppb (0) 1.4 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 20.0 ppb (15) 0.13 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2019, 10 a.m. 2.5 ppb (2) 0.1 ppb (0) 2.1 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 18.0 ppb (14) 0.13 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2019, 9 a.m. 3.1 ppb (3) 0.1 ppb (0) 3.8 ppb (4) 3.0 ppb (3) N/A 1.0 ppb (1) 17.0 ppb (13) 0.14 ppb (2) N/A 9.0 μg/m3 (38) 38.0