AQSQID: 060131004

Site Name: San Pablo - Rumrill

Location: San Pablo (Rumrill Blvd), CA

Reporting: True, Located: True

Current AQI: 26.0

San Pablo (Rumrill Blvd) CA, US: 37.9604, -122.3571

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 4, 2020, 1 a.m. 1.5 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.31 ppb (3) N/A 6.0 μg/m3 (25) 26.0
 
April 4, 2020, midnight 1.4 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.31 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
April 3, 2020, 11 p.m. 2.0 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) 0.34 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
April 3, 2020, 10 p.m. 5.6 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (28) 0.47 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
April 3, 2020, 9 p.m. 5.4 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (29) 0.37 ppb (4) N/A 2.0 μg/m3 (8) 29.0
 
April 3, 2020, 8 p.m. 11.7 ppb (11) 4.0 ppb (4) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 34.0 ppb (26) 0.39 ppb (4) N/A 3.0 μg/m3 (12) 26.0
 
April 3, 2020, 7 p.m. 3.7 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (28) 0.33 ppb (4) N/A 1.0 μg/m3 (4) 28.0
 
April 3, 2020, 6 p.m. 4.4 ppb (4) 1.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) 0.32 ppb (4) N/A 1.0 μg/m3 (4) 26.0
 
April 3, 2020, 5 p.m. 3.0 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.34 ppb (4) N/A 2.0 μg/m3 (8) 25.0
 
April 3, 2020, 4 p.m. 3.3 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.33 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
April 3, 2020, 3 p.m. 16.3 ppb (15) 5.8 ppb (5) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 18.0 ppb (14) 0.53 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
April 3, 2020, 2 p.m. 28.5 ppb (26) 9.9 ppb (9) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 6.0 ppb (5) 0.68 ppb (8) N/A 4.0 μg/m3 (17) 26.0
 
April 3, 2020, 1 p.m. 27.0 ppb (25) 6.2 ppb (6) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 3.0 ppb (2) 0.64 ppb (7) N/A 5.0 μg/m3 (21) 25.0
 
April 3, 2020, noon 18.2 ppb (17) 2.5 ppb (2) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 10.0 ppb (8) 0.52 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
April 3, 2020, 11 a.m. 5.5 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.34 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
April 3, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
April 3, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.32 ppb (4) N/A 5.0 μg/m3 (21) 25.0
 
April 3, 2020, 8 a.m. 1.6 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) 0.31 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
April 3, 2020, 7 a.m. 1.9 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.31 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
April 3, 2020, 6 a.m. 2.3 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.33 ppb (4) N/A 4.0 μg/m3 (17) 25.0
 
April 3, 2020, 5 a.m. 2.0 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.31 ppb (3) N/A 5.0 μg/m3 (21) 26.0
 
April 3, 2020, 4 a.m. 4.7 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (25) 0.32 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
April 3, 2020, 3 a.m. 2.4 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) 0.3 ppb (3) N/A 5.0 μg/m3 (21) 27.0
 
April 3, 2020, 2 a.m. 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) 0.3 ppb (3) N/A 6.0 μg/m3 (25) 28.0
 
April 3, 2020, 1 a.m. 3.7 ppb (3) 1.7 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) 0.3 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
April 3, 2020, midnight 3.4 ppb (3) 1.7 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) 0.31 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
April 2, 2020, 11 p.m. 2.8 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (29) 0.33 ppb (4) N/A N/A 29.0
 
April 2, 2020, 10 p.m. 5.0 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (28) 0.49 ppb (5) N/A N/A 28.0
 
April 2, 2020, 9 p.m. 3.7 ppb (3) 1.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (30) 0.4 ppb (4) N/A N/A 30.0
 
April 2, 2020, 8 p.m. 2.3 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (31) 0.28 ppb (3) N/A 1.0 μg/m3 (4) 31.0
 
April 2, 2020, 7 p.m. 3.2 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) 0.44 ppb (5) N/A 0.0 μg/m3 (0) 28.0
 
April 2, 2020, 6 p.m. 3.0 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) 0.38 ppb (4) N/A -2.0 μg/m3 (0) 26.0
 
April 2, 2020, 5 p.m. 3.3 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) 0.36 ppb (4) N/A 1.0 μg/m3 (4) 24.0
 
April 2, 2020, 4 p.m. 3.0 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) 0.33 ppb (4) N/A 4.0 μg/m3 (17) 22.0
 
April 2, 2020, 3 p.m. 6.3 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.33 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
April 2, 2020, 2 p.m. 18.5 ppb (17) 5.6 ppb (5) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 12.0 ppb (9) 0.48 ppb (5) N/A 3.0 μg/m3 (12) 17.0
 
April 2, 2020, 1 p.m. 5.8 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (20) 0.35 ppb (4) N/A 3.0 μg/m3 (12) 20.0
 
April 2, 2020, noon 4.3 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) 0.31 ppb (3) N/A 4.0 μg/m3 (17) 22.0
 
April 2, 2020, 11 a.m. 1.8 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.3 ppb (3) N/A 3.0 μg/m3 (12) 25.0
 
April 2, 2020, 10 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 2, 2020, 9 a.m. 1.5 ppb (1) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.3 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
April 2, 2020, 8 a.m. 3.8 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (25) 0.3 ppb (3) N/A 3.0 μg/m3 (12) 25.0
 
April 2, 2020, 7 a.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.3 ppb (3) N/A 2.0 μg/m3 (8) 25.0
 
April 2, 2020, 6 a.m. 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.3 ppb (3) N/A 3.0 μg/m3 (12) 26.0
 
April 2, 2020, 5 a.m. 3.3 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 25.0
 
April 2, 2020, 4 a.m. 6.6 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (23) 0.33 ppb (4) N/A 5.0 μg/m3 (21) 23.0
 
April 2, 2020, 3 a.m. 3.7 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) 0.32 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
April 2, 2020, 2 a.m. 2.6 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) 0.32 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
April 2, 2020, 1 a.m. 2.9 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) 0.31 ppb (3) N/A 6.0 μg/m3 (25) 28.0
 
April 2, 2020, midnight 2.1 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) 0.34 ppb (4) N/A 4.0 μg/m3 (17) 28.0
 
April 1, 2020, 11 p.m. 2.4 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (29) 0.41 ppb (5) N/A 3.0 μg/m3 (12) 29.0
 
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) 39.0 ppb (30) 0.44 ppb (5) N/A 6.0 μg/m3 (25) 30.0
 
April 1, 2020, 9 p.m. 2.5 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (31) 0.42 ppb (5) N/A 7.0 μg/m3 (29) 31.0
 
April 1, 2020, 8 p.m. 3.9 ppb (4) 1.9 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (31) 0.32 ppb (4) N/A 3.0 μg/m3 (12) 31.0
 
April 1, 2020, 7 p.m. 2.8 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (29) 0.31 ppb (3) N/A 4.0 μg/m3 (17) 29.0
 
April 1, 2020, 6 p.m. 2.5 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) 0.35 ppb (4) N/A 5.0 μg/m3 (21) 28.0
 
April 1, 2020, 5 p.m. 2.5 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (29) 0.4 ppb (4) N/A 4.0 μg/m3 (17) 29.0
 
April 1, 2020, 4 p.m. 3.7 ppb (3) 1.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (28) 0.41 ppb (5) N/A 6.0 μg/m3 (25) 28.0
 
April 1, 2020, 3 p.m. 5.3 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (27) 0.51 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
April 1, 2020, 2 p.m. 35.9 ppb (33) 11.9 ppb (11) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 9.0 ppb (7) 0.72 ppb (8) N/A 12.0 μg/m3 (50) 50.0
 
April 1, 2020, 1 p.m. 24.4 ppb (23) 5.4 ppb (5) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 15.0 ppb (12) 0.49 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
April 1, 2020, noon 11.1 ppb (10) 3.1 ppb (3) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 28.0 ppb (22) 0.38 ppb (4) N/A 5.0 μg/m3 (21) 22.0
 
April 1, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 1, 2020, 10 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
 
April 1, 2020, 9 a.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) 0.32 ppb (4) N/A 4.0 μg/m3 (17) 28.0
 
April 1, 2020, 8 a.m. 1.3 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) 0.33 ppb (4) N/A 3.0 μg/m3 (12) 21.0
 
April 1, 2020, 7 a.m. 5.6 ppb (5) 2.1 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (17) 0.32 ppb (4) N/A 2.0 μg/m3 (8) 17.0
 
April 1, 2020, 6 a.m. 4.4 ppb (4) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 21.0 ppb (16) 0.34 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
April 1, 2020, 5 a.m. 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (18) 0.34 ppb (4) N/A 4.0 μg/m3 (17) 18.0
 
April 1, 2020, 4 a.m. 2.2 ppb (2) 0.8 ppb (1) 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, 3 a.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (18) 0.33 ppb (4) N/A 4.0 μg/m3 (17) 18.0
 
April 1, 2020, 2 a.m. 1.5 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) 0.33 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
April 1, 2020, 1 a.m. 3.0 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) 0.34 ppb (4) N/A 3.0 μg/m3 (12) 22.0
 
April 1, 2020, midnight 2.8 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) 0.34 ppb (4) N/A 1.0 μg/m3 (4) 23.0
 
March 31, 2020, 11 p.m. 3.7 ppb (3) 1.9 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.4 ppb (4) N/A 2.0 μg/m3 (8) 25.0
 
March 31, 2020, 10 p.m. 2.6 ppb (2) 1.3 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) 0.45 ppb (5) N/A 2.0 μg/m3 (8) 25.0
 
March 31, 2020, 9 p.m. 4.0 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) 0.47 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
March 31, 2020, 8 p.m. 4.6 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) 0.47 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
March 31, 2020, 7 p.m. 4.2 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) 0.42 ppb (5) N/A 4.0 μg/m3 (17) 22.0
 
March 31, 2020, 6 p.m. 4.7 ppb (4) 1.7 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 27.0 ppb (21) 0.4 ppb (4) N/A 4.0 μg/m3 (17) 21.0
 
March 31, 2020, 5 p.m. 6.5 ppb (6) 2.2 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 25.0 ppb (19) 0.46 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
March 31, 2020, 4 p.m. 11.7 ppb (11) 9.6 ppb (9) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 24.0 ppb (18) 0.61 ppb (7) N/A 22.0 μg/m3 (71) 71.0
 
March 31, 2020, 3 p.m. 30.8 ppb (29) 15.5 ppb (14) N/A 15.0 ppb (14) N/A 1.0 ppb (1) 12.0 ppb (9) 0.76 ppb (8) N/A 5.0 μg/m3 (21) 29.0
 
March 31, 2020, 2 p.m. 48.4 ppb (45) 29.0 ppb (27) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 1.0 ppb (1) 1.06 ppb (12) N/A 6.0 μg/m3 (25) 45.0
 
March 31, 2020, 1 p.m. 31.6 ppb (29) 12.2 ppb (11) N/A 19.0 ppb (18) N/A 1.0 ppb (1) 1.0 ppb (1) 1.11 ppb (12) N/A 2.0 μg/m3 (8) 29.0
 
March 31, 2020, noon 19.6 ppb (18) 5.3 ppb (5) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 5.0 ppb (4) 0.57 ppb (6) N/A -2.0 μg/m3 (0) 18.0
 
March 31, 2020, 11 a.m. 11.1 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 4.0 ppb (6) 5.0 ppb (4) 0.42 ppb (5) N/A 0.0 μg/m3 (0) 10.0
 
March 31, 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
 
March 31, 2020, 9 a.m. 7.7 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 7.0 ppb (5) 0.41 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
March 31, 2020, 8 a.m. 8.3 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 8.0 ppb (6) 0.47 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
March 31, 2020, 7 a.m. 12.3 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 8.0 ppb (6) 0.5 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
March 31, 2020, 6 a.m. 6.4 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (15) 0.39 ppb (4) N/A 3.0 μg/m3 (12) 15.0
 
March 31, 2020, 5 a.m. 5.2 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) 0.32 ppb (4) N/A 4.0 μg/m3 (17) 19.0
 
March 31, 2020, 4 a.m. 4.0 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.34 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
March 31, 2020, 3 a.m. 2.8 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) 0.33 ppb (4) N/A 5.0 μg/m3 (21) 23.0
 
March 31, 2020, 2 a.m. 2.3 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.32 ppb (4) N/A 0.0 μg/m3 (0) 25.0
 
March 31, 2020, 1 a.m. 2.4 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.33 ppb (4) N/A 3.0 μg/m3 (12) 25.0
 
March 31, 2020, midnight 5.0 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (25) 0.41 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
March 30, 2020, 11 p.m. 4.6 ppb (4) 1.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) 0.49 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
March 30, 2020, 10 p.m. 4.8 ppb (4) 1.7 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (25) 0.45 ppb (5) N/A 20.0 μg/m3 (67) 67.0
 
March 30, 2020, 9 p.m. 3.8 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) 0.4 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
March 30, 2020, 8 p.m. 4.4 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) 0.42 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
March 30, 2020, 7 p.m. 4.5 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (27) 0.37 ppb (4) N/A 0.0 μg/m3 (0) 27.0
 
March 30, 2020, 6 p.m. 5.3 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (25) 0.42 ppb (5) N/A 5.0 μg/m3 (21) 25.0
 
March 30, 2020, 5 p.m. 4.6 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (25) 0.42 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
March 30, 2020, 4 p.m. 7.0 ppb (6) 2.2 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 31.0 ppb (24) 0.35 ppb (4) N/A 5.0 μg/m3 (21) 24.0
 
March 30, 2020, 3 p.m. 10.5 ppb (10) 2.1 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 28.0 ppb (22) 0.41 ppb (5) N/A 3.0 μg/m3 (12) 22.0
 
March 30, 2020, 2 p.m. 15.2 ppb (14) 2.6 ppb (2) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 22.0 ppb (17) 0.39 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
March 30, 2020, 1 p.m. 22.1 ppb (20) 6.5 ppb (6) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 21.0 ppb (16) 0.41 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
March 30, 2020, noon 10.3 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 26.0 ppb (20) 0.37 ppb (4) N/A 3.0 μg/m3 (12) 20.0
 
March 30, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
March 30, 2020, 10 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 30, 2020, 9 a.m. 4.5 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) 0.29 ppb (3) N/A 2.0 μg/m3 (8) 24.0
 
March 30, 2020, 8 a.m. 4.9 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (24) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 24.0
 
March 30, 2020, 7 a.m. 6.7 ppb (6) 1.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (24) 0.31 ppb (3) N/A 5.0 μg/m3 (21) 24.0
 
March 30, 2020, 6 a.m. 3.2 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) 0.31 ppb (3) N/A 4.0 μg/m3 (17) 26.0
 
March 30, 2020, 5 a.m. 5.9 ppb (5) 0.4 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (23) 0.36 ppb (4) N/A 5.0 μg/m3 (21) 23.0
 
March 30, 2020, 4 a.m. 5.8 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (25) 0.34 ppb (4) N/A 4.0 μg/m3 (17) 25.0
 
March 30, 2020, 3 a.m. 2.5 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) 0.31 ppb (3) N/A 4.0 μg/m3 (17) 28.0
 
March 30, 2020, 2 a.m. 4.9 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 37.0 ppb (28) 0.36 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
March 30, 2020, 1 a.m. 4.2 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 40.0 ppb (31) 0.36 ppb (4) N/A 15.0 μg/m3 (56) 56.0
 
March 30, 2020, midnight 6.1 ppb (6) 2.6 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 41.0 ppb (32) 0.39 ppb (4) N/A 16.0 μg/m3 (59) 59.0
 
March 29, 2020, 11 p.m. 2.9 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 43.0 ppb (33) 0.34 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
March 29, 2020, 10 p.m. 4.1 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (32) 0.38 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
March 29, 2020, 9 p.m. 4.7 ppb (4) 1.7 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (33) 0.36 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
March 29, 2020, 8 p.m. 3.7 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 46.0 ppb (35) 0.35 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
March 29, 2020, 7 p.m. 4.1 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (35) 0.41 ppb (5) N/A 5.0 μg/m3 (21) 35.0
 
March 29, 2020, 6 p.m. 4.4 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (35) 0.38 ppb (4) N/A 4.0 μg/m3 (17) 35.0
 
March 29, 2020, 5 p.m. 6.0 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 40.0 ppb (31) 0.4 ppb (4) N/A 6.0 μg/m3 (25) 31.0
 
March 29, 2020, 4 p.m. 5.2 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (32) 0.38 ppb (4) N/A 5.0 μg/m3 (21) 32.0
 
March 29, 2020, 3 p.m. 4.8 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (29) 0.37 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
March 29, 2020, 2 p.m. 3.9 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (28) 0.35 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
March 29, 2020, 1 p.m. 3.6 ppb (3) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (28) 0.36 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
March 29, 2020, noon 3.7 ppb (3) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (28) 0.36 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
March 29, 2020, 11 a.m. 4.3 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (25) 0.37 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
March 29, 2020, 10 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 29, 2020, 9 a.m. 5.1 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (28) 0.34 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
March 29, 2020, 8 a.m. 6.4 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (25) 0.39 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
March 29, 2020, 7 a.m. 7.2 ppb (7) 0.2 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (25) 0.38 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
March 29, 2020, 6 a.m. 5.8 ppb (5) 0.2 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (28) 0.35 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
March 29, 2020, 5 a.m. 4.8 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (30) 0.35 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
March 29, 2020, 4 a.m. 7.0 ppb (6) 0.4 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (30) 0.4 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
March 29, 2020, 3 a.m. 5.5 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 40.0 ppb (31) 0.4 ppb (4) N/A 6.0 μg/m3 (25) 31.0
 
March 29, 2020, 2 a.m. 5.4 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (28) 0.42 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
March 29, 2020, 1 a.m. 5.2 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (30) 0.43 ppb (5) N/A 17.0 μg/m3 (61) 61.0
 
March 29, 2020, midnight 2.6 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (34) 0.37 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
March 28, 2020, 11 p.m. 4.2 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 45.0 ppb (35) 0.37 ppb (4) N/A 17.0 μg/m3 (61) 61.0
 
March 28, 2020, 10 p.m. 5.2 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 46.0 ppb (35) 0.38 ppb (4) N/A 22.0 μg/m3 (71) 71.0
 
March 28, 2020, 9 p.m. 5.2 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 46.0 ppb (35) 0.45 ppb (5) N/A 16.0 μg/m3 (59) 59.0
 
March 28, 2020, 8 p.m. 6.6 ppb (6) 1.2 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 46.0 ppb (35) 0.46 ppb (5) N/A 16.0 μg/m3 (59) 59.0
 
March 28, 2020, 7 p.m. 5.6 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 46.0 ppb (35) 0.45 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
March 28, 2020, 6 p.m. 7.3 ppb (7) 1.7 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 42.0 ppb (32) 0.45 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
March 28, 2020, 5 p.m. 8.1 ppb (8) 1.4 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (28) 0.46 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
March 28, 2020, 4 p.m. 6.7 ppb (6) 1.1 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (30) 0.49 ppb (5) N/A 19.0 μg/m3 (65) 65.0
 
March 28, 2020, 3 p.m. 9.6 ppb (9) 1.6 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 35.0 ppb (27) 0.48 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
March 28, 2020, 2 p.m. 15.8 ppb (15) 1.9 ppb (2) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 24.0 ppb (18) 0.5 ppb (6) N/A 15.0 μg/m3 (56) 56.0
 
March 28, 2020, 1 p.m. 15.5 ppb (14) 1.1 ppb (1) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 19.0 ppb (15) 0.49 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
March 28, 2020, noon 14.6 ppb (14) 1.3 ppb (1) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 15.0 ppb (12) 0.51 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
March 28, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (56) 56.0
 
March 28, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
March 28, 2020, 9 a.m. 2.7 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (32) 0.35 ppb (4) N/A 15.0 μg/m3 (56) 56.0
 
March 28, 2020, 8 a.m. 4.3 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 43.0 ppb (33) 0.35 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
March 28, 2020, 7 a.m. 5.0 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 42.0 ppb (32) 0.36 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
March 28, 2020, 6 a.m. 7.0 ppb (6) 0.3 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (32) 0.35 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
March 28, 2020, 5 a.m. 4.5 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 44.0 ppb (34) 0.35 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
March 28, 2020, 4 a.m. 7.4 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 41.0 ppb (32) 0.37 ppb (4) N/A 15.0 μg/m3 (56) 56.0
 
March 28, 2020, 3 a.m. 7.7 ppb (7) 0.3 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 42.0 ppb (32) 0.36 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
March 28, 2020, 2 a.m. 7.2 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 43.0 ppb (33) 0.36 ppb (4) N/A 12.0 μg/m3 (50) 50.0