AQSQID: 060950004

Site Name: Vallejo

Location: Vallejo (Florida-Hilton), CA

Reporting: True, Located: True

Current AQI: 21.0

Vallejo (Florida-Hilton) CA, US: 38.102507, -122.237976

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 3, 2020, 4 p.m. 3.8 ppb (4) 1.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.22 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
April 3, 2020, 3 p.m. 5.5 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) 0.23 ppb (3) N/A 4.0 μg/m3 (17) 20.0
 
April 3, 2020, 2 p.m. 8.2 ppb (8) 2.3 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.27 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
April 3, 2020, 1 p.m. 4.3 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) 0.24 ppb (3) N/A 3.0 μg/m3 (12) 20.0
 
April 3, 2020, noon 2.3 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) 0.22 ppb (2) N/A 4.0 μg/m3 (17) 22.0
 
April 3, 2020, 11 a.m. 1.4 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) 0.21 ppb (2) N/A 3.0 μg/m3 (12) 24.0
 
April 3, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 3, 2020, 9 a.m. 1.1 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) 0.22 ppb (2) N/A 5.0 μg/m3 (21) 25.0
 
April 3, 2020, 8 a.m. 2.7 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.23 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
April 3, 2020, 7 a.m. 5.0 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) 0.23 ppb (3) N/A 5.0 μg/m3 (21) 22.0
 
April 3, 2020, 6 a.m. 10.5 ppb (10) 0.2 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 24.0 ppb (18) 0.23 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
April 3, 2020, 5 a.m. 7.0 ppb (6) 0.2 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) 0.23 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
April 3, 2020, 4 a.m. 7.3 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) 0.24 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
April 3, 2020, 3 a.m. 2.0 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) 0.2 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
April 3, 2020, 2 a.m. 1.7 ppb (2) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.19 ppb (2) N/A 4.0 μg/m3 (17) 26.0
 
April 3, 2020, 1 a.m. 2.2 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) 0.17 ppb (2) N/A 2.0 μg/m3 (8) 26.0
 
April 3, 2020, midnight 2.2 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) 0.16 ppb (2) N/A 0.0 μg/m3 (0) 27.0
 
April 2, 2020, 11 p.m. 2.1 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) 0.16 ppb (2) N/A 2.0 μg/m3 (8) 28.0
 
April 2, 2020, 10 p.m. 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) 0.15 ppb (2) N/A 2.0 μg/m3 (8) 31.0
 
April 2, 2020, 9 p.m. 1.4 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) 0.15 ppb (2) N/A 0.0 μg/m3 (0) 31.0
 
April 2, 2020, 8 p.m. 1.9 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 0.17 ppb (2) N/A 3.0 μg/m3 (12) 29.0
 
April 2, 2020, 7 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 0.16 ppb (2) N/A 2.0 μg/m3 (8) 29.0
 
April 2, 2020, 6 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) 0.18 ppb (2) N/A 1.0 μg/m3 (4) 28.0
 
April 2, 2020, 5 p.m. 3.4 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.21 ppb (2) N/A 3.0 μg/m3 (12) 25.0
 
April 2, 2020, 4 p.m. 6.4 ppb (6) 2.2 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.25 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
April 2, 2020, 3 p.m. 37.3 ppb (35) 18.9 ppb (18) N/A 18.0 ppb (17) N/A 1.0 ppb (1) 13.0 ppb (10) 0.42 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
April 2, 2020, 2 p.m. 60.8 ppb (57) 35.9 ppb (33) N/A 25.0 ppb (23) N/A 1.0 ppb (1) 2.0 ppb (2) 0.93 ppb (10) N/A 6.0 μg/m3 (25) 57.0
 
April 2, 2020, 1 p.m. 54.7 ppb (51) 31.2 ppb (29) N/A 24.0 ppb (22) N/A 1.0 ppb (1) 0.0 ppb (0) 0.61 ppb (7) N/A 6.0 μg/m3 (25) 51.0
 
April 2, 2020, noon 44.7 ppb (41) 21.3 ppb (20) N/A 23.0 ppb (21) N/A N/A 0.0 ppb (0) 0.54 ppb (6) N/A 4.0 μg/m3 (17) 41.0
 
April 2, 2020, 11 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
 
April 2, 2020, 10 a.m. 24.8 ppb (23) 4.4 ppb (4) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 3.0 ppb (2) 0.4 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
April 2, 2020, 9 a.m. 16.3 ppb (15) 1.9 ppb (2) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 8.0 ppb (6) 0.36 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
April 2, 2020, 8 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.25 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
April 2, 2020, 7 a.m. 2.7 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) 0.25 ppb (3) N/A 4.0 μg/m3 (17) 22.0
 
April 2, 2020, 6 a.m. 2.8 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.26 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
April 2, 2020, 5 a.m. 2.0 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) 0.3 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
April 2, 2020, 4 a.m. 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.23 ppb (3) N/A 4.0 μg/m3 (17) 25.0
 
April 2, 2020, 3 a.m. 3.2 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (25) 0.23 ppb (3) N/A 5.0 μg/m3 (21) 25.0
 
April 2, 2020, 2 a.m. 3.3 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) 0.23 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
April 2, 2020, 1 a.m. 2.6 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) 0.2 ppb (2) N/A 6.0 μg/m3 (25) 28.0
 
April 2, 2020, midnight 2.9 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) 0.19 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
April 1, 2020, 11 p.m. 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) 0.18 ppb (2) N/A 6.0 μg/m3 (25) 28.0
 
April 1, 2020, 10 p.m. 2.9 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (29) 0.18 ppb (2) N/A 6.0 μg/m3 (25) 29.0
 
April 1, 2020, 9 p.m. 2.4 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (30) 0.19 ppb (2) N/A 3.0 μg/m3 (12) 30.0
 
April 1, 2020, 8 p.m. 2.1 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (30) 0.21 ppb (2) N/A 3.0 μg/m3 (12) 30.0
 
April 1, 2020, 7 p.m. 3.1 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) 0.24 ppb (3) N/A 4.0 μg/m3 (17) 28.0
 
April 1, 2020, 6 p.m. 3.8 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) 0.25 ppb (3) N/A 1.0 μg/m3 (4) 26.0
 
April 1, 2020, 5 p.m. 2.9 ppb (3) 1.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.24 ppb (3) N/A 3.0 μg/m3 (12) 25.0
 
April 1, 2020, 4 p.m. 1.6 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) 0.24 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
April 1, 2020, 3 p.m. 3.2 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.24 ppb (3) N/A 4.0 μg/m3 (17) 25.0
 
April 1, 2020, 2 p.m. 3.9 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) 0.26 ppb (3) N/A 5.0 μg/m3 (21) 24.0
 
April 1, 2020, 1 p.m. 2.9 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) 0.26 ppb (3) N/A 3.0 μg/m3 (12) 24.0
 
April 1, 2020, noon 2.4 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) 0.31 ppb (3) N/A 3.0 μg/m3 (12) 25.0
 
April 1, 2020, 11 a.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
 
April 1, 2020, 10 a.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (22) 0.32 ppb (4) N/A 4.0 μg/m3 (17) 22.0
 
April 1, 2020, 9 a.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (19) 0.34 ppb (4) N/A 3.0 μg/m3 (12) 19.0
 
April 1, 2020, 8 a.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (18) 0.33 ppb (4) N/A 3.0 μg/m3 (12) 18.0
 
April 1, 2020, 7 a.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (18) 0.33 ppb (4) N/A 2.0 μg/m3 (8) 18.0
 
April 1, 2020, 6 a.m. 1.8 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (16) 0.34 ppb (4) N/A 2.0 μg/m3 (8) 16.0
 
April 1, 2020, 5 a.m. 5.9 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (15) 0.34 ppb (4) N/A 3.0 μg/m3 (12) 15.0
 
April 1, 2020, 4 a.m. 2.4 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (18) 0.33 ppb (4) N/A 2.0 μg/m3 (8) 18.0
 
April 1, 2020, 3 a.m. 2.5 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (18) 0.31 ppb (3) N/A 3.0 μg/m3 (12) 18.0
 
April 1, 2020, 2 a.m. 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) 0.3 ppb (3) N/A 3.0 μg/m3 (12) 21.0
 
April 1, 2020, 1 a.m. 2.7 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.3 ppb (3) N/A 2.0 μg/m3 (8) 21.0
 
April 1, 2020, midnight 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (22) 0.3 ppb (3) N/A 2.0 μg/m3 (8) 22.0
 
March 31, 2020, 11 p.m. 1.5 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) 0.29 ppb (3) N/A 3.0 μg/m3 (12) 25.0
 
March 31, 2020, 10 p.m. 1.5 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) 0.31 ppb (3) N/A 3.0 μg/m3 (12) 25.0
 
March 31, 2020, 9 p.m. 2.1 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) 0.32 ppb (4) N/A 2.0 μg/m3 (8) 25.0
 
March 31, 2020, 8 p.m. 2.2 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) 0.33 ppb (4) N/A 3.0 μg/m3 (12) 24.0
 
March 31, 2020, 7 p.m. 2.1 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (22) 0.34 ppb (4) N/A 1.0 μg/m3 (4) 22.0
 
March 31, 2020, 6 p.m. 2.5 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.36 ppb (4) N/A 2.0 μg/m3 (8) 21.0
 
March 31, 2020, 5 p.m. 2.4 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) 0.38 ppb (4) N/A 2.0 μg/m3 (8) 20.0
 
March 31, 2020, 4 p.m. 3.4 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.36 ppb (4) N/A 3.0 μg/m3 (12) 19.0
 
March 31, 2020, 3 p.m. 3.4 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.37 ppb (4) N/A 3.0 μg/m3 (12) 19.0
 
March 31, 2020, 2 p.m. 5.6 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (19) 0.37 ppb (4) N/A 2.0 μg/m3 (8) 19.0
 
March 31, 2020, 1 p.m. 3.0 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.35 ppb (4) N/A 0.0 μg/m3 (0) 21.0
 
March 31, 2020, noon 4.0 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) 0.35 ppb (4) N/A 0.0 μg/m3 (0) 20.0
 
March 31, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
March 31, 2020, 10 a.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (22) 0.35 ppb (4) N/A 3.0 μg/m3 (12) 22.0
 
March 31, 2020, 9 a.m. 0.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) 0.34 ppb (4) N/A 1.0 μg/m3 (4) 24.0
 
March 31, 2020, 8 a.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (22) 0.34 ppb (4) N/A 0.0 μg/m3 (0) 22.0
 
March 31, 2020, 7 a.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (22) 0.34 ppb (4) N/A 2.0 μg/m3 (8) 22.0
 
March 31, 2020, 6 a.m. 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (23) 0.33 ppb (4) N/A 3.0 μg/m3 (12) 23.0
 
March 31, 2020, 5 a.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (23) 0.32 ppb (4) N/A 3.0 μg/m3 (12) 23.0
 
March 31, 2020, 4 a.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) 0.31 ppb (3) N/A 3.0 μg/m3 (12) 25.0
 
March 31, 2020, 3 a.m. 1.6 ppb (1) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) 0.3 ppb (3) N/A 5.0 μg/m3 (21) 24.0
 
March 31, 2020, 2 a.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) 0.28 ppb (3) N/A 4.0 μg/m3 (17) 25.0
 
March 31, 2020, 1 a.m. 1.0 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) 0.27 ppb (3) N/A 2.0 μg/m3 (8) 25.0
 
March 31, 2020, midnight 1.7 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.28 ppb (3) N/A 0.0 μg/m3 (0) 26.0
 
March 30, 2020, 11 p.m. 2.4 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) 0.28 ppb (3) N/A -1.0 μg/m3 (0) 27.0
 
March 30, 2020, 10 p.m. 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) 0.28 ppb (3) N/A 0.0 μg/m3 (0) 27.0
 
March 30, 2020, 9 p.m. 1.7 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.28 ppb (3) N/A 2.0 μg/m3 (8) 27.0
 
March 30, 2020, 8 p.m. 2.3 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) 0.29 ppb (3) N/A 1.0 μg/m3 (4) 28.0
 
March 30, 2020, 7 p.m. 2.2 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.3 ppb (3) N/A 2.0 μg/m3 (8) 27.0
 
March 30, 2020, 6 p.m. 2.6 ppb (2) 1.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.3 ppb (3) N/A 2.0 μg/m3 (8) 26.0
 
March 30, 2020, 5 p.m. 1.7 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.3 ppb (3) N/A 0.0 μg/m3 (0) 27.0
 
March 30, 2020, 4 p.m. 2.4 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) 0.31 ppb (3) N/A 1.0 μg/m3 (4) 26.0
 
March 30, 2020, 3 p.m. 6.3 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (25) 0.31 ppb (3) N/A 3.0 μg/m3 (12) 25.0
 
March 30, 2020, 2 p.m. 4.7 ppb (4) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (25) 0.32 ppb (4) N/A 2.0 μg/m3 (8) 25.0
 
March 30, 2020, 1 p.m. 1.7 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) 0.3 ppb (3) N/A 0.0 μg/m3 (0) 27.0
 
March 30, 2020, noon 2.3 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) 0.31 ppb (3) N/A 2.0 μg/m3 (8) 27.0
 
March 30, 2020, 11 a.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
 
March 30, 2020, 10 a.m. 0.8 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.33 ppb (4) N/A 3.0 μg/m3 (12) 27.0
 
March 30, 2020, 9 a.m. 1.1 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.34 ppb (4) N/A 3.0 μg/m3 (12) 27.0
 
March 30, 2020, 8 a.m. 2.2 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) 0.37 ppb (4) N/A 5.0 μg/m3 (21) 24.0
 
March 30, 2020, 7 a.m. 6.7 ppb (6) -0.1 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.44 ppb (5) N/A 3.0 μg/m3 (12) 17.0
 
March 30, 2020, 6 a.m. 3.5 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) 0.38 ppb (4) N/A 2.0 μg/m3 (8) 25.0
 
March 30, 2020, 5 a.m. 2.0 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) 0.36 ppb (4) N/A 2.0 μg/m3 (8) 26.0
 
March 30, 2020, 4 a.m. 1.3 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.36 ppb (4) N/A 4.0 μg/m3 (17) 27.0
 
March 30, 2020, 3 a.m. 2.1 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) 0.35 ppb (4) N/A 2.0 μg/m3 (8) 28.0
 
March 30, 2020, 2 a.m. 2.6 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) 0.35 ppb (4) N/A 3.0 μg/m3 (12) 32.0
 
March 30, 2020, 1 a.m. 1.5 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (34) 0.32 ppb (4) N/A 4.0 μg/m3 (17) 34.0
 
March 30, 2020, midnight 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (34) 0.32 ppb (4) N/A 4.0 μg/m3 (17) 34.0
 
March 29, 2020, 11 p.m. 1.2 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (34) 0.33 ppb (4) N/A 4.0 μg/m3 (17) 34.0
 
March 29, 2020, 10 p.m. 2.6 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (34) 0.35 ppb (4) N/A 7.0 μg/m3 (29) 34.0
 
March 29, 2020, 9 p.m. 2.5 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (37) 0.36 ppb (4) N/A 7.0 μg/m3 (29) 37.0
 
March 29, 2020, 8 p.m. 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (36) 0.34 ppb (4) N/A 5.0 μg/m3 (21) 36.0
 
March 29, 2020, 7 p.m. 2.3 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 44.0 ppb (34) 0.36 ppb (4) N/A 5.0 μg/m3 (21) 34.0
 
March 29, 2020, 6 p.m. 3.8 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 41.0 ppb (32) 0.38 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
March 29, 2020, 5 p.m. 5.9 ppb (5) 1.2 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 37.0 ppb (28) 0.4 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
March 29, 2020, 4 p.m. 4.2 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 35.0 ppb (27) 0.39 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
March 29, 2020, 3 p.m. 5.6 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (23) 0.4 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
March 29, 2020, 2 p.m. 5.5 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (23) 0.39 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
March 29, 2020, 1 p.m. 6.0 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) 0.41 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
March 29, 2020, noon 5.3 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) 0.4 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
March 29, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
March 29, 2020, 10 a.m. 6.4 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) 0.41 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
March 29, 2020, 9 a.m. 6.7 ppb (6) -0.1 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 28.0 ppb (22) 0.42 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
March 29, 2020, 8 a.m. 11.1 ppb (10) 0.3 ppb (0) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 24.0 ppb (18) 0.47 ppb (5) N/A 15.0 μg/m3 (56) 56.0
 
March 29, 2020, 7 a.m. 15.1 ppb (14) 0.2 ppb (0) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 21.0 ppb (16) 0.58 ppb (6) N/A 16.0 μg/m3 (59) 59.0
 
March 29, 2020, 6 a.m. 9.4 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 32.0 ppb (25) 0.53 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
March 29, 2020, 5 a.m. 3.7 ppb (3) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (32) 0.43 ppb (5) N/A 6.0 μg/m3 (25) 32.0
 
March 29, 2020, 4 a.m. 4.7 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (32) 0.41 ppb (5) N/A 7.0 μg/m3 (29) 32.0
 
March 29, 2020, 3 a.m. 5.0 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (30) 0.39 ppb (4) N/A 7.0 μg/m3 (29) 30.0
 
March 29, 2020, 2 a.m. 3.8 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (32) 0.38 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
March 29, 2020, 1 a.m. 1.7 ppb (2) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (34) 0.36 ppb (4) N/A 7.0 μg/m3 (29) 34.0
 
March 29, 2020, midnight 2.3 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (35) 0.35 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
March 28, 2020, 11 p.m. 1.6 ppb (1) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 49.0 ppb (38) 0.35 ppb (4) N/A 7.0 μg/m3 (29) 38.0
 
March 28, 2020, 10 p.m. 2.9 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (37) 0.35 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
March 28, 2020, 9 p.m. 3.4 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 50.0 ppb (38) 0.35 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
March 28, 2020, 8 p.m. 2.8 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 50.0 ppb (38) 0.35 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
March 28, 2020, 7 p.m. 2.8 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 49.0 ppb (38) 0.35 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
March 28, 2020, 6 p.m. 2.3 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (35) 0.36 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
March 28, 2020, 5 p.m. 4.2 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (31) 0.39 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
March 28, 2020, 4 p.m. 6.9 ppb (6) 1.3 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (23) 0.48 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
March 28, 2020, 3 p.m. 6.0 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (23) 0.43 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
March 28, 2020, 2 p.m. 12.2 ppb (11) 0.2 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 22.0 ppb (17) 0.51 ppb (6) N/A 15.0 μg/m3 (56) 56.0
 
March 28, 2020, 1 p.m. 16.5 ppb (15) 0.0 ppb (0) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 14.0 ppb (11) 0.55 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
March 28, 2020, noon 9.4 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 26.0 ppb (20) 0.45 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
March 28, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
March 28, 2020, 10 a.m. 3.7 ppb (3) -0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (30) 0.38 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
March 28, 2020, 9 a.m. 3.0 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (31) 0.38 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
March 28, 2020, 8 a.m. 1.8 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) 0.39 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
March 28, 2020, 7 a.m. 2.0 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) 0.38 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
March 28, 2020, 6 a.m. 2.1 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) 0.38 ppb (4) N/A 17.0 μg/m3 (61) 61.0
 
March 28, 2020, 5 a.m. 1.8 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (34) 0.37 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
March 28, 2020, 4 a.m. 2.1 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (35) 0.38 ppb (4) N/A 16.0 μg/m3 (59) 59.0
 
March 28, 2020, 3 a.m. 1.5 ppb (1) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (37) 0.4 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
March 28, 2020, 2 a.m. 1.4 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 50.0 ppb (38) 0.38 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
March 28, 2020, 1 a.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 51.0 ppb (39) 0.35 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
March 28, 2020, midnight 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 50.0 ppb (38) 0.33 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
March 27, 2020, 11 p.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (38) 0.32 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
March 27, 2020, 10 p.m. 1.3 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (37) 0.32 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
March 27, 2020, 9 p.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (36) 0.32 ppb (4) N/A 7.0 μg/m3 (29) 36.0
 
March 27, 2020, 8 p.m. 2.2 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (37) 0.32 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
March 27, 2020, 7 p.m. 2.3 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (35) 0.33 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
March 27, 2020, 6 p.m. 3.4 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (31) 0.31 ppb (3) N/A 6.0 μg/m3 (25) 31.0
 
March 27, 2020, 5 p.m. 2.8 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) 0.31 ppb (3) N/A 6.0 μg/m3 (25) 28.0