AQSQID: 061113001

Site Name: El Rio - Rio Mesa School #2

Location: Oxnard (N Rose Ave), CA

Reporting: True, Located: True

Current AQI: 10.0

Oxnard (N Rose Ave) CA, US: 34.2653, -119.1336

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 27, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 11.0 μg/m3 (10) N/A 10.0
 
Jan. 27, 2020, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 13.0 μg/m3 (12) -4.0 μg/m3 (0) 12.0
 
Jan. 27, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 11.0 μg/m3 (10) 1.0 μg/m3 (4) 11.0
 
Jan. 27, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
Jan. 27, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
Jan. 27, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 13.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Jan. 27, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Jan. 27, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Jan. 27, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 13.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
Jan. 27, 2020, 4 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) 3.0 μg/m3 (12) 12.0
 
Jan. 27, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 16.0 μg/m3 (15) 2.0 μg/m3 (8) 15.0
 
Jan. 27, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 18.0 μg/m3 (16) 2.0 μg/m3 (8) 17.0
 
Jan. 27, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Jan. 27, 2020, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
Jan. 26, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 19.0 μg/m3 (17) 7.0 μg/m3 (29) 29.0
 
Jan. 26, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 15.0 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
Jan. 26, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 24.0 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
Jan. 26, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 20.0 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
Jan. 26, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 22.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
Jan. 26, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 19.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
Jan. 26, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 22.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
Jan. 26, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 26.0 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
Jan. 26, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 14.0 μg/m3 (13) 13.0 μg/m3 (52) 52.0
 
Jan. 26, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 25.0 μg/m3 (23) 14.0 μg/m3 (54) 54.0
 
Jan. 26, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 27.0 μg/m3 (25) 14.0 μg/m3 (54) 54.0
 
Jan. 26, 2020, noon N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 27.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
Jan. 26, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 18.0 μg/m3 (16) 13.0 μg/m3 (52) 52.0
 
Jan. 26, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 26.0 μg/m3 (24) 12.0 μg/m3 (50) 50.0
 
Jan. 26, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 15.0 μg/m3 (56) 56.0
 
Jan. 26, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 20.0 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
Jan. 26, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 20.0 μg/m3 (18) 7.0 μg/m3 (29) 29.0
 
Jan. 26, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
Jan. 26, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 23.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
Jan. 26, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 29.0 μg/m3 (26) 18.0 μg/m3 (63) 63.0
 
Jan. 26, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
Jan. 26, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 33.0 μg/m3 (30) 14.0 μg/m3 (54) 54.0
 
Jan. 26, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 27.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
Jan. 26, 2020, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 26.0 μg/m3 (24) 10.0 μg/m3 (42) 42.0
 
Jan. 25, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 22.0 μg/m3 (20) 13.0 μg/m3 (52) 52.0
 
Jan. 25, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 25.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
Jan. 25, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 26.0 μg/m3 (24) 17.0 μg/m3 (61) 61.0
 
Jan. 25, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 19.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
Jan. 25, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 22.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
Jan. 25, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
Jan. 25, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 12.0 μg/m3 (11) 1.0 μg/m3 (4) 12.0
 
Jan. 25, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
Jan. 25, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 16.0 μg/m3 (15) 3.0 μg/m3 (12) 15.0
 
Jan. 25, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 8.0 μg/m3 (7) 1.0 μg/m3 (4) 7.0
 
Jan. 25, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 9.0
 
Jan. 25, 2020, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 8.0
 
Jan. 25, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 12.0
 
Jan. 25, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 25, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
Jan. 25, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 6.0
 
Jan. 25, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 9.0
 
Jan. 25, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 13.0
 
Jan. 25, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 17.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Jan. 25, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 21.0 μg/m3 (19) 8.0 μg/m3 (33) 33.0
 
Jan. 25, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 26.0 μg/m3 (24) 9.0 μg/m3 (38) 38.0
 
Jan. 25, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 27.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
Jan. 25, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 27.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
Jan. 25, 2020, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Jan. 24, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 21.0 μg/m3 (19) 3.0 μg/m3 (12) 24.0
 
Jan. 24, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 22.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
Jan. 24, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 14.0 μg/m3 (13) 3.0 μg/m3 (12) 25.0
 
Jan. 24, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 21.0 μg/m3 (19) 2.0 μg/m3 (8) 22.0
 
Jan. 24, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 21.0 μg/m3 (19) 0.0 μg/m3 (0) 19.0
 
Jan. 24, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 16.0 μg/m3 (15) 1.0 μg/m3 (4) 16.0
 
Jan. 24, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 22.0 μg/m3 (20) 2.0 μg/m3 (8) 20.0
 
Jan. 24, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 15.0 μg/m3 (14) 0.0 μg/m3 (0) 14.0
 
Jan. 24, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 22.0 μg/m3 (20) -2.0 μg/m3 (0) 20.0
 
Jan. 24, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 12.0 μg/m3 (11) 0.0 μg/m3 (0) 11.0
 
Jan. 24, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 11.0 μg/m3 (10) -1.0 μg/m3 (0) 12.0
 
Jan. 24, 2020, noon N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 6.0 μg/m3 (5) -2.0 μg/m3 (0) 13.0
 
Jan. 24, 2020, 11 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) -1.0 μg/m3 (0) 13.0
 
Jan. 24, 2020, 10 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) -2.0 μg/m3 (0) 14.0
 
Jan. 24, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) -2.0 μg/m3 (0) 5.0
 
Jan. 24, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 13.0
 
Jan. 24, 2020, 7 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) 0.0 μg/m3 (0) 12.0
 
Jan. 24, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
Jan. 24, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 20.0 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
Jan. 24, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 26.0 μg/m3 (24) 4.0 μg/m3 (17) 24.0
 
Jan. 24, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 16.0 μg/m3 (15) 2.0 μg/m3 (8) 15.0
 
Jan. 24, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 23.0 μg/m3 (21) 4.0 μg/m3 (17) 21.0
 
Jan. 24, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 23.0
 
Jan. 24, 2020, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 22.0 μg/m3 (20) 3.0 μg/m3 (12) 25.0
 
Jan. 23, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 28.0
 
Jan. 23, 2020, 10 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) 4.0 μg/m3 (17) 28.0
 
Jan. 23, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
Jan. 23, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 12.0 μg/m3 (11) 2.0 μg/m3 (8) 24.0
 
Jan. 23, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 14.0 μg/m3 (13) 3.0 μg/m3 (12) 23.0
 
Jan. 23, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 17.0 μg/m3 (15) 4.0 μg/m3 (17) 19.0
 
Jan. 23, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 20.0 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
Jan. 23, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 16.0 μg/m3 (15) 1.0 μg/m3 (4) 15.0
 
Jan. 23, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 13.0 μg/m3 (12) -1.0 μg/m3 (0) 12.0
 
Jan. 23, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 8.0 μg/m3 (7) -1.0 μg/m3 (0) 12.0
 
Jan. 23, 2020, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 5.0 μg/m3 (5) -1.0 μg/m3 (0) 17.0
 
Jan. 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 15.0
 
Jan. 23, 2020, 10 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) 3.0 μg/m3 (12) 13.0
 
Jan. 23, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
Jan. 23, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 12.0
 
Jan. 23, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 13.0 μg/m3 (12) 1.0 μg/m3 (4) 12.0
 
Jan. 23, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 14.0 μg/m3 (13) 2.0 μg/m3 (8) 13.0
 
Jan. 23, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 21.0 μg/m3 (19) -2.0 μg/m3 (0) 19.0
 
Jan. 23, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 14.0 μg/m3 (13) -2.0 μg/m3 (0) 13.0
 
Jan. 23, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 26.0 μg/m3 (24) -2.0 μg/m3 (0) 24.0
 
Jan. 23, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 20.0 μg/m3 (18) 0.0 μg/m3 (0) 18.0
 
Jan. 23, 2020, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 24.0 μg/m3 (22) 3.0 μg/m3 (12) 23.0
 
Jan. 22, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 25.0 μg/m3 (23) 4.0 μg/m3 (17) 26.0
 
Jan. 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 15.0 μg/m3 (14) 0.0 μg/m3 (0) 28.0
 
Jan. 22, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 13.0 μg/m3 (12) 4.0 μg/m3 (17) 28.0
 
Jan. 22, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 10.0 μg/m3 (9) 10.0 μg/m3 (42) 42.0
 
Jan. 22, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 8.0 μg/m3 (7) 13.0 μg/m3 (52) 52.0
 
Jan. 22, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
Jan. 22, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
Jan. 22, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 17.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
Jan. 22, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 8.0
 
Jan. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 8.0 μg/m3 (7) 1.0 μg/m3 (4) 7.0
 
Jan. 22, 2020, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 8.0
 
Jan. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 8.0
 
Jan. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 6.0 μg/m3 (5) 0.0 μg/m3 (0) 8.0
 
Jan. 22, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 8.0
 
Jan. 22, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 8.0 μg/m3 (7) 1.0 μg/m3 (4) 7.0
 
Jan. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 10.0 μg/m3 (9) 0.0 μg/m3 (0) 9.0
 
Jan. 22, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 12.0 μg/m3 (11) -2.0 μg/m3 (0) 11.0
 
Jan. 22, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 14.0 μg/m3 (13) 1.0 μg/m3 (4) 13.0
 
Jan. 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 17.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
Jan. 22, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 11.0 μg/m3 (10) 0.0 μg/m3 (0) 19.0
 
Jan. 22, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 16.0 μg/m3 (15) -2.0 μg/m3 (0) 21.0
 
Jan. 22, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 12.0 μg/m3 (11) -1.0 μg/m3 (0) 25.0
 
Jan. 22, 2020, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 14.0 μg/m3 (13) -3.0 μg/m3 (0) 30.0
 
Jan. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 33.0
 
Jan. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 32.0
 
Jan. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 6.0 μg/m3 (5) -3.0 μg/m3 (0) 32.0
 
Jan. 21, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (12) 32.0
 
Jan. 21, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 7.0 μg/m3 (6) 7.0 μg/m3 (29) 31.0
 
Jan. 21, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 25.0
 
Jan. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 13.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
Jan. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 11.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
Jan. 21, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 8.0
 
Jan. 21, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 9.0
 
Jan. 21, 2020, noon N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 8.0 μg/m3 (7) 1.0 μg/m3 (4) 11.0
 
Jan. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 5.0 μg/m3 (5) -2.0 μg/m3 (0) 15.0
 
Jan. 21, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 19.0
 
Jan. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
Jan. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 21, 2020, 7 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) 1.0 μg/m3 (4) 18.0
 
Jan. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 15.0
 
Jan. 21, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 17.0 μg/m3 (15) 2.0 μg/m3 (8) 15.0
 
Jan. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 10.0 μg/m3 (9) 0.0 μg/m3 (0) 15.0
 
Jan. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 19.0
 
Jan. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 15.0 μg/m3 (14) 0.0 μg/m3 (0) 22.0
 
Jan. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 14.0 μg/m3 (13) 1.0 μg/m3 (4) 25.0
 
Jan. 21, 2020, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 15.0 μg/m3 (14) 2.0 μg/m3 (8) 27.0
 
Jan. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 28.0
 
Jan. 20, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 17.0 μg/m3 (15) 2.0 μg/m3 (8) 29.0
 
Jan. 20, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 31.0
 
Jan. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 28.0
 
Jan. 20, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 25.0 μg/m3 (23) 8.0 μg/m3 (33) 33.0
 
Jan. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 19.0 μg/m3 (17) 7.0 μg/m3 (29) 29.0
 
Jan. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 31.0 μg/m3 (28) 7.0 μg/m3 (29) 29.0
 
Jan. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 37.0 μg/m3 (34) 5.0 μg/m3 (21) 34.0
 
Jan. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 21.0 μg/m3 (19) 3.0 μg/m3 (12) 19.0