AQSQID: 060531003

Site Name: Salinas Ams

Location: Salinas, CA

Reporting: True, Located: True

Current AQI: 15.0

Salinas CA, US: 36.694698, -121.6222

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 20, 2019, 3 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 19.0 ppb (15) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 15.0
 
July 20, 2019, 2 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 20.0 ppb (15) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 15.0
 
July 20, 2019, 1 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 17.0
 
July 20, 2019, noon 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 23.0 ppb (18) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 18.0
 
July 20, 2019, 11 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 23.0 ppb (18) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 18.0
 
July 20, 2019, 10 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 23.0 ppb (18) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 18.0
 
July 20, 2019, 9 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 22.0 ppb (17) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 20, 2019, 8 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 22.0 ppb (17) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 20, 2019, 7 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 17.0
 
July 20, 2019, 6 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 17.0
 
July 20, 2019, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 17.0
 
July 20, 2019, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 17.0
 
July 20, 2019, 3 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 20, 2019, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 0.1 ppb (1) N/A 10.0 μg/m3 (42) 42.0
 
July 20, 2019, 1 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 24.0 ppb (18) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 18.0
 
July 20, 2019, midnight 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 24.0 ppb (18) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 18.0
 
July 19, 2019, 11 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 25.0 ppb (19) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 19.0
 
July 19, 2019, 10 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 25.0 ppb (19) 0.1 ppb (1) N/A 0.0 μg/m3 (0) 19.0
 
July 19, 2019, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 25.0 ppb (19) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 19.0
 
July 19, 2019, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 26.0 ppb (20) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 20.0
 
July 19, 2019, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 20.0
 
July 19, 2019, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 19, 2019, 5 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) 0.1 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
July 19, 2019, 4 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (18) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 18.0
 
July 19, 2019, 3 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 18.0 ppb (14) 0.1 ppb (1) N/A -1.0 μg/m3 (0) 14.0
 
July 19, 2019, 2 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 13.0 ppb (10) 0.1 ppb (1) N/A 0.0 μg/m3 (0) 10.0
 
July 19, 2019, 1 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 12.0 ppb (9) 0.1 ppb (1) N/A -3.0 μg/m3 (0) 9.0
 
July 19, 2019, noon 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 17.0 ppb (13) 0.1 ppb (1) N/A -2.0 μg/m3 (0) 13.0
 
July 19, 2019, 11 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 18.0 ppb (14) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 14.0
 
July 19, 2019, 10 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 18.0 ppb (14) 0.1 ppb (1) N/A 1.0 μg/m3 (4) 14.0
 
July 19, 2019, 9 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 17.0 ppb (13) 0.1 ppb (1) N/A 1.0 μg/m3 (4) 13.0
 
July 19, 2019, 8 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 17.0 ppb (13) 0.1 ppb (1) N/A 1.0 μg/m3 (4) 13.0
 
July 19, 2019, 7 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 16.0 ppb (12) 0.1 ppb (1) N/A -3.0 μg/m3 (0) 12.0
 
July 19, 2019, 6 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 14.0 ppb (11) 0.1 ppb (1) N/A -2.0 μg/m3 (0) 11.0
 
July 19, 2019, 5 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 14.0 ppb (11) 0.1 ppb (1) N/A -2.0 μg/m3 (0) 11.0
 
July 19, 2019, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 13.0 ppb (10) 0.1 ppb (1) N/A -2.0 μg/m3 (0) 10.0
 
July 19, 2019, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 12.0 ppb (9) 0.1 ppb (1) N/A -3.0 μg/m3 (0) 9.0
 
July 19, 2019, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 12.0 ppb (9) 0.1 ppb (1) N/A -3.0 μg/m3 (0) 9.0
 
July 19, 2019, 1 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 13.0 ppb (10) 0.1 ppb (1) N/A -3.0 μg/m3 (0) 10.0
 
July 19, 2019, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 17.0 ppb (13) 0.1 ppb (1) N/A -2.0 μg/m3 (0) 13.0
 
July 18, 2019, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 21.0 ppb (16) 0.1 ppb (1) N/A 0.0 μg/m3 (0) 16.0
 
July 18, 2019, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 21.0 ppb (16) 0.1 ppb (1) N/A -2.0 μg/m3 (0) 16.0
 
July 18, 2019, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 20.0 ppb (15) 0.1 ppb (1) N/A -1.0 μg/m3 (0) 15.0
 
July 18, 2019, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 20.0 ppb (15) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 15.0
 
July 18, 2019, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 21.0 ppb (16) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 18, 2019, 6 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 20.0 ppb (15) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 15.0
 
July 18, 2019, 5 p.m. 7.0 ppb (6) 3.0 ppb (3) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 14.0
 
July 18, 2019, 4 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (12) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 12.0
 
July 18, 2019, 3 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
July 18, 2019, 2 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 18.0 ppb (14) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 18, 2019, 1 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 15.0 ppb (12) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 12.0
 
July 18, 2019, noon 1.0 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 17.0 ppb (13) 0.1 ppb (1) N/A 0.0 μg/m3 (0) 13.0
 
July 18, 2019, 11 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 19.0 ppb (15) 0.1 ppb (1) N/A -1.0 μg/m3 (0) 15.0
 
July 18, 2019, 10 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 20.0 ppb (15) 0.1 ppb (1) N/A -3.0 μg/m3 (0) 15.0
 
July 18, 2019, 9 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) 0.1 ppb (1) N/A -4.0 μg/m3 (0) 17.0
 
July 18, 2019, 8 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 0.1 ppb (1) N/A -4.0 μg/m3 (0) 18.0
 
July 18, 2019, 7 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 24.0 ppb (18) 0.1 ppb (1) N/A -1.0 μg/m3 (0) 18.0
 
July 18, 2019, 6 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 24.0 ppb (18) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 18.0
 
July 18, 2019, 5 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 25.0 ppb (19) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 19.0
 
July 18, 2019, 4 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 18, 2019, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 18, 2019, 2 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 21.0
 
July 18, 2019, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 18, 2019, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) 0.1 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
July 17, 2019, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) 0.1 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
July 17, 2019, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) 0.1 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
July 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
July 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
July 17, 2019, 7 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 17, 2019, 6 p.m. 6.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 17, 2019, 5 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) 0.1 ppb (1) N/A N/A 19.0
 
July 17, 2019, 4 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 18.0
 
July 17, 2019, 3 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (18) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 18.0
 
July 17, 2019, 2 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 18.0
 
July 17, 2019, 1 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 18.0
 
July 17, 2019, noon 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 17, 2019, 11 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 24.0 ppb (18) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 18.0
 
July 17, 2019, 10 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 23.0 ppb (18) 0.1 ppb (1) N/A 0.0 μg/m3 (0) 18.0
 
July 17, 2019, 9 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 23.0 ppb (18) 0.1 ppb (1) N/A -2.0 μg/m3 (0) 18.0
 
July 17, 2019, 8 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 22.0 ppb (17) 0.1 ppb (1) N/A -2.0 μg/m3 (0) 17.0
 
July 17, 2019, 7 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 22.0 ppb (17) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 17.0
 
July 17, 2019, 6 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 22.0 ppb (17) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
July 17, 2019, 5 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 23.0 ppb (18) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 17, 2019, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 0.1 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
July 17, 2019, 3 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (18) 0.1 ppb (1) N/A 1.0 μg/m3 (4) 18.0
 
July 17, 2019, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 19.0
 
July 17, 2019, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 17, 2019, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 20.0
 
July 16, 2019, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 20.0
 
July 16, 2019, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) 0.1 ppb (1) N/A 1.0 μg/m3 (4) 19.0
 
July 16, 2019, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (18) 0.1 ppb (1) N/A 1.0 μg/m3 (4) 18.0
 
July 16, 2019, 8 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 0.1 ppb (1) N/A 0.0 μg/m3 (0) 18.0
 
July 16, 2019, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 19.0 ppb (15) 0.1 ppb (1) N/A -1.0 μg/m3 (0) 15.0
 
July 16, 2019, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 16.0 ppb (12) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 12.0
 
July 16, 2019, 5 p.m. 3.0 ppb (3) 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A 14.0 ppb (11) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 11.0
 
July 16, 2019, 4 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 13.0 ppb (10) 0.1 ppb (1) N/A 0.0 μg/m3 (0) 10.0
 
July 16, 2019, 3 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 13.0 ppb (10) 0.1 ppb (1) N/A -2.0 μg/m3 (0) 10.0
 
July 16, 2019, 2 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 12.0 ppb (9) 0.1 ppb (1) N/A -2.0 μg/m3 (0) 9.0
 
July 16, 2019, 1 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 12.0 ppb (9) 0.1 ppb (1) N/A -2.0 μg/m3 (0) 9.0
 
July 16, 2019, noon 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 12.0 ppb (9) 0.1 ppb (1) N/A -2.0 μg/m3 (0) 9.0
 
July 16, 2019, 11 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 12.0 ppb (9) 0.1 ppb (1) N/A 1.0 μg/m3 (4) 9.0
 
July 16, 2019, 10 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 13.0 ppb (10) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 12.0
 
July 16, 2019, 9 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 14.0 ppb (11) 0.1 ppb (1) N/A -2.0 μg/m3 (0) 11.0
 
July 16, 2019, 8 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 13.0 ppb (10) 0.1 ppb (1) N/A 1.0 μg/m3 (4) 10.0
 
July 16, 2019, 7 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 14.0 ppb (11) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 12.0
 
July 16, 2019, 6 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 14.0 ppb (11) 0.1 ppb (1) N/A -1.0 μg/m3 (0) 11.0
 
July 16, 2019, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 14.0 ppb (11) 0.1 ppb (1) N/A 1.0 μg/m3 (4) 11.0
 
July 16, 2019, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 14.0 ppb (11) 0.1 ppb (1) N/A 0.0 μg/m3 (0) 11.0
 
July 16, 2019, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 14.0 ppb (11) 0.1 ppb (1) N/A 0.0 μg/m3 (0) 11.0
 
July 16, 2019, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 16.0 ppb (12) 0.1 ppb (1) N/A -1.0 μg/m3 (0) 12.0
 
July 16, 2019, 1 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 15.0 ppb (12) 0.1 ppb (1) N/A 0.0 μg/m3 (0) 12.0
 
July 16, 2019, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 16.0 ppb (12) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
July 15, 2019, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 19.0 ppb (15) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 15.0
 
July 15, 2019, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 0.1 ppb (1) N/A 1.0 μg/m3 (4) 18.0
 
July 15, 2019, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 19.0
 
July 15, 2019, 8 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) 0.1 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
July 15, 2019, 7 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) 0.1 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
July 15, 2019, 6 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 15, 2019, 5 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) 0.1 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
July 15, 2019, 4 p.m. 5.0 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 15, 2019, 3 p.m. 8.0 ppb (7) 3.0 ppb (3) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (12) 0.2 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
July 15, 2019, 2 p.m. 12.0 ppb (11) 5.0 ppb (5) N/A 7.0 ppb (6) N/A N/A 11.0 ppb (8) 0.2 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
July 15, 2019, 1 p.m. 12.0 ppb (11) 3.0 ppb (3) N/A 8.0 ppb (7) N/A N/A 6.0 ppb (5) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
July 15, 2019, noon 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 11.0 ppb (8) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 15, 2019, 11 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 14.0 ppb (11) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
July 15, 2019, 10 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 17.0 ppb (13) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 13.0
 
July 15, 2019, 9 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 17.0 ppb (13) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
July 15, 2019, 8 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 14.0 ppb (11) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
July 15, 2019, 6 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 20.0 ppb (15) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 15, 2019, 5 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 19.0 ppb (15) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 15, 2019, 4 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 19.0 ppb (15) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 15, 2019, 3 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 20.0 ppb (15) 0.1 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
July 15, 2019, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 0.1 ppb (1) N/A 10.0 μg/m3 (42) 42.0
 
July 15, 2019, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (18) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 15, 2019, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 19.0
 
July 14, 2019, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 21.0
 
July 14, 2019, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 20.0
 
July 14, 2019, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 14, 2019, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 19.0
 
July 14, 2019, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 0.1 ppb (1) N/A 0.0 μg/m3 (0) 18.0
 
July 14, 2019, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 20.0 ppb (15) 0.1 ppb (1) N/A 0.0 μg/m3 (0) 15.0
 
July 14, 2019, 5 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 20.0 ppb (15) 0.1 ppb (1) N/A 1.0 μg/m3 (4) 15.0
 
July 14, 2019, 4 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 16.0 ppb (12) 0.1 ppb (1) N/A 0.0 μg/m3 (0) 12.0
 
July 14, 2019, 3 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 15.0 ppb (12) 0.1 ppb (1) N/A 0.0 μg/m3 (0) 12.0
 
July 14, 2019, 2 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 13.0 ppb (10) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 12.0
 
July 14, 2019, 1 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 13.0 ppb (10) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
July 14, 2019, noon 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 14.0 ppb (11) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 11.0
 
July 14, 2019, 11 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 14.0 ppb (11) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 12.0
 
July 14, 2019, 10 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 14.0 ppb (11) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
July 14, 2019, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 15.0 ppb (12) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 14, 2019, 8 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 13.0 ppb (10) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) N/A
July 14, 2019, 6 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 16.0 ppb (12) 0.1 ppb (1) N/A 0.0 μg/m3 (0) 12.0
 
July 14, 2019, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 16.0 ppb (12) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
July 14, 2019, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 16.0 ppb (12) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 14, 2019, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 17.0 ppb (13) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 14, 2019, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 18.0 ppb (14) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 14, 2019, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 21.0 ppb (16) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
July 14, 2019, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 21.0 ppb (16) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
July 13, 2019, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
July 13, 2019, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) 0.1 ppb (1) N/A 1.0 μg/m3 (4) 17.0
 
July 13, 2019, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 20.0 ppb (15) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
July 13, 2019, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 13, 2019, 7 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 18.0
 
July 13, 2019, 6 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 17.0
 
July 13, 2019, 5 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 16.0 ppb (12) 0.1 ppb (1) N/A 1.0 μg/m3 (4) 12.0
 
July 13, 2019, 4 p.m. 4.0 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 12.0 ppb (9) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 9.0