AQSQID: 060111002

Site Name: Colusa - Sunrise Blvd.

Location: Colusa (Davison Court), CA

Reporting: True, Located: True

Current AQI: 14.0

Colusa (Davison Court) CA, US: 39.18919, -121.99887

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 8, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 1.0 μg/m3 (1) 0.0 μg/m3 (0) 14.0
 
April 8, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 2.0 μg/m3 (2) 4.0 μg/m3 (17) 17.0
 
April 8, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 2.0 μg/m3 (2) 2.0 μg/m3 (8) 16.0
 
April 8, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 4.0 μg/m3 (4) -1.0 μg/m3 (0) 15.0
 
April 8, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 7.0 μg/m3 (6) -1.0 μg/m3 (0) 18.0
 
April 8, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 4.0 μg/m3 (4) N/A 19.0
 
April 8, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 24.0
 
April 8, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 4.0 μg/m3 (4) -1.0 μg/m3 (0) 28.0
 
April 8, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 6.0 μg/m3 (5) N/A 31.0
 
April 8, 2020, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 1.0 μg/m3 (1) -2.0 μg/m3 (0) 31.0
 
April 7, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 31.0
 
April 7, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 31.0
 
April 7, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 30.0
 
April 7, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 3.0 μg/m3 (3) 3.0 μg/m3 (12) 29.0
 
April 7, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 1.0 μg/m3 (1) 7.0 μg/m3 (29) 29.0
 
April 7, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 25.0
 
April 7, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 4.0 μg/m3 (4) 7.0 μg/m3 (29) 29.0
 
April 7, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 18.0
 
April 7, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 11.0
 
April 7, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 10.0
 
April 7, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 13.0
 
April 7, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 8.0
 
April 7, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 1.0 μg/m3 (1) -4.0 μg/m3 (0) 9.0
 
April 7, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 2.0 μg/m3 (2) -2.0 μg/m3 (0) 12.0
 
April 7, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 15.0
 
April 7, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 2.0 μg/m3 (2) 0.0 μg/m3 (0) 18.0
 
April 7, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 3.0 μg/m3 (3) 3.0 μg/m3 (12) 17.0
 
April 7, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 1.0 μg/m3 (1) 0.0 μg/m3 (0) 19.0
 
April 7, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 2.0 μg/m3 (2) -1.0 μg/m3 (0) 22.0
 
April 7, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 23.0
 
April 7, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 2.0 μg/m3 (2) -3.0 μg/m3 (0) 25.0
 
April 7, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 4.0 μg/m3 (4) N/A 25.0
 
April 7, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 5.0 μg/m3 (5) -2.0 μg/m3 (0) 28.0
 
April 7, 2020, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 31.0
 
April 6, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 3.0 μg/m3 (3) 5.0 μg/m3 (21) 31.0
 
April 6, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 3.0 μg/m3 (3) 8.0 μg/m3 (33) 33.0
 
April 6, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 1.0 μg/m3 (1) 2.0 μg/m3 (8) 31.0
 
April 6, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 1.0 μg/m3 (1) 7.0 μg/m3 (29) 29.0
 
April 6, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 47.0 μg/m3 (43) 6.0 μg/m3 (25) 43.0
 
April 6, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 27.0
 
April 6, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 28.0
 
April 6, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 25.0
 
April 6, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 11.0 μg/m3 (10) -3.0 μg/m3 (0) 22.0
 
April 6, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
April 6, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 6.0 μg/m3 (5) -4.0 μg/m3 (0) 19.0
 
April 6, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) -2.0 μg/m3 (0) 4.0
 
April 6, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 2.0 μg/m3 (2) -1.0 μg/m3 (0) 21.0
 
April 6, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 2.0 μg/m3 (2) -1.0 μg/m3 (0) 19.0
 
April 6, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 2.0 μg/m3 (2) -2.0 μg/m3 (0) 19.0
 
April 6, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 1.0 μg/m3 (1) -2.0 μg/m3 (0) 20.0
 
April 6, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 1.0 μg/m3 (1) -1.0 μg/m3 (0) 23.0
 
April 6, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 0.0 μg/m3 (0) -2.0 μg/m3 (0) 25.0
 
April 6, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 0.0 μg/m3 (0) -2.0 μg/m3 (0) 25.0
 
April 6, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 2.0 μg/m3 (2) -4.0 μg/m3 (0) 25.0
 
April 6, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 4.0 μg/m3 (4) N/A 25.0
 
April 6, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 20.0
 
April 6, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 0.0 μg/m3 (0) -2.0 μg/m3 (0) 22.0
 
April 6, 2020, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 0.0 μg/m3 (0) -4.0 μg/m3 (0) 25.0
 
April 5, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 2.0 μg/m3 (2) 3.0 μg/m3 (12) 26.0
 
April 5, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 3.0 μg/m3 (3) 5.0 μg/m3 (21) 25.0
 
April 5, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 2.0 μg/m3 (2) -1.0 μg/m3 (0) 24.0
 
April 5, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 0.0 μg/m3 (0) 4.0 μg/m3 (17) 24.0
 
April 5, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 1.0 μg/m3 (1) -1.0 μg/m3 (0) 24.0
 
April 5, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 25.0
 
April 5, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 5.0 μg/m3 (5) -4.0 μg/m3 (0) 25.0
 
April 5, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 7.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
April 5, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 7.0 μg/m3 (6) -2.0 μg/m3 (0) 17.0
 
April 5, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 7.0 μg/m3 (6) -3.0 μg/m3 (0) 20.0
 
April 5, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 8.0 μg/m3 (7) 1.0 μg/m3 (4) 19.0
 
April 5, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
April 5, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 17.0
 
April 5, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 15.0
 
April 5, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
April 5, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 15.0
 
April 5, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 6.0 μg/m3 (5) -1.0 μg/m3 (0) 15.0
 
April 5, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 1.0 μg/m3 (1) -1.0 μg/m3 (0) 15.0
 
April 5, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 3.0 μg/m3 (3) -1.0 μg/m3 (0) 16.0
 
April 5, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 18.0
 
April 5, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 5.0 μg/m3 (5) -1.0 μg/m3 (0) 18.0
 
April 5, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 18.0
 
April 5, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 19.0
 
April 5, 2020, midnight N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 2.0 μg/m3 (2) 6.0 μg/m3 (25) 25.0
 
April 4, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 3.0 μg/m3 (3) N/A 18.0
 
April 4, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 4.0 μg/m3 (4) -2.0 μg/m3 (0) 19.0
 
April 4, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 4.0 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
April 4, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 2.0 μg/m3 (2) 2.0 μg/m3 (8) 18.0
 
April 4, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 18.0
 
April 4, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 18.0
 
April 4, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 17.0
 
April 4, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 16.0
 
April 4, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 14.0 μg/m3 (13) 0.0 μg/m3 (0) 15.0
 
April 4, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 15.0 μg/m3 (14) -3.0 μg/m3 (0) 15.0
 
April 4, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 14.0
 
April 4, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
April 4, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
April 4, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 12.0
 
April 4, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 12.0
 
April 4, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
April 4, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 12.0 μg/m3 (11) 0.0 μg/m3 (0) 14.0
 
April 4, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 13.0 μg/m3 (12) 0.0 μg/m3 (0) 14.0
 
April 4, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 13.0 μg/m3 (12) 1.0 μg/m3 (4) 15.0
 
April 4, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 13.0 μg/m3 (12) -2.0 μg/m3 (0) 18.0
 
April 4, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 21.0 μg/m3 (19) -4.0 μg/m3 (0) 22.0
 
April 4, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 21.0 μg/m3 (19) -2.0 μg/m3 (0) 26.0
 
April 4, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 15.0 μg/m3 (14) N/A 31.0
 
April 4, 2020, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 30.0
 
April 3, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 25.0 μg/m3 (23) 3.0 μg/m3 (12) 30.0
 
April 3, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 30.0
 
April 3, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 18.0 μg/m3 (16) 2.0 μg/m3 (8) 28.0
 
April 3, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
April 3, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 24.0 μg/m3 (22) 4.0 μg/m3 (17) 25.0
 
April 3, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 28.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
April 3, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 28.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
April 3, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 26.0 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
April 3, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 24.0 μg/m3 (22) 1.0 μg/m3 (4) 22.0
 
April 3, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 12.0
 
April 3, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 10.0
 
April 3, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 12.0
 
April 3, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 10.0 μg/m3 (9) -1.0 μg/m3 (0) 10.0
 
April 3, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 13.0 μg/m3 (12) 0.0 μg/m3 (0) 12.0
 
April 3, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 12.0 μg/m3 (11) 0.0 μg/m3 (0) 13.0
 
April 3, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 12.0 μg/m3 (11) 1.0 μg/m3 (4) 15.0
 
April 3, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 10.0 μg/m3 (9) -3.0 μg/m3 (0) 12.0
 
April 3, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 8.0 μg/m3 (7) N/A 11.0
 
April 3, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 14.0 μg/m3 (13) 0.0 μg/m3 (0) 13.0
 
April 3, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 36.0 μg/m3 (33) 1.0 μg/m3 (4) 33.0
 
April 3, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 9.0 μg/m3 (8) -3.0 μg/m3 (0) 24.0
 
April 3, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 8.0 μg/m3 (7) -2.0 μg/m3 (0) 25.0
 
April 3, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 7.0 μg/m3 (6) N/A 28.0
 
April 3, 2020, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 12.0 μg/m3 (11) 2.0 μg/m3 (8) 27.0
 
April 2, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 26.0
 
April 2, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 25.0
 
April 2, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 25.0
 
April 2, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 16.0 μg/m3 (15) 26.0 μg/m3 (80) 80.0
 
April 2, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 25.0
 
April 2, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 19.0 μg/m3 (17) 3.0 μg/m3 (12) 24.0
 
April 2, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 38.0 μg/m3 (35) 5.0 μg/m3 (21) 35.0
 
April 2, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 44.0 μg/m3 (40) 3.0 μg/m3 (12) 40.0
 
April 2, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 15.0 μg/m3 (14) 2.0 μg/m3 (8) 22.0
 
April 2, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 3.0 μg/m3 (3) -3.0 μg/m3 (0) 21.0
 
April 2, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 1.0 μg/m3 (1) 0.0 μg/m3 (0) 20.0
 
April 2, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 3.0
 
April 2, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 7.0 μg/m3 (6) -1.0 μg/m3 (0) 22.0
 
April 2, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 11.0 μg/m3 (10) -1.0 μg/m3 (0) 22.0
 
April 2, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 4.0 μg/m3 (4) -1.0 μg/m3 (0) 22.0
 
April 2, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 22.0
 
April 2, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 8.0 μg/m3 (7) -1.0 μg/m3 (0) 23.0
 
April 2, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 7.0 μg/m3 (6) 0.0 μg/m3 (0) 22.0
 
April 2, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 12.0 μg/m3 (11) N/A 19.0
 
April 2, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 12.0 μg/m3 (11) 1.0 μg/m3 (4) 23.0
 
April 2, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 4.0 μg/m3 (4) N/A 28.0
 
April 2, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 7.0 μg/m3 (6) -1.0 μg/m3 (0) 31.0
 
April 2, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 11.0 μg/m3 (10) N/A 31.0
 
April 2, 2020, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 12.0 μg/m3 (11) 0.0 μg/m3 (0) 31.0
 
April 1, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 16.0 μg/m3 (15) 3.0 μg/m3 (12) 30.0
 
April 1, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 30.0
 
April 1, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 13.0 μg/m3 (12) 0.0 μg/m3 (0) 30.0
 
April 1, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 15.0 μg/m3 (14) -3.0 μg/m3 (0) 29.0
 
April 1, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 21.0 μg/m3 (19) 1.0 μg/m3 (4) 28.0
 
April 1, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 28.0 μg/m3 (25) 4.0 μg/m3 (17) 28.0
 
April 1, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 49.0 μg/m3 (45) 5.0 μg/m3 (21) 45.0
 
April 1, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 26.0 μg/m3 (24) 1.0 μg/m3 (4) 24.0
 
April 1, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 12.0 μg/m3 (11) 1.0 μg/m3 (4) 22.0
 
April 1, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 11.0 μg/m3 (10) -3.0 μg/m3 (0) 20.0
 
April 1, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 19.0
 
April 1, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 1.0 μg/m3 (4) 4.0
 
April 1, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 5.0 μg/m3 (5) -1.0 μg/m3 (0) 19.0
 
April 1, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 9.0 μg/m3 (8) -1.0 μg/m3 (0) 18.0