AQSQID: 060850005

Site Name: San Jose - Jackson St.

Location: San José, CA

Reporting: True, Located: True

Current AQI: 50.0

San José CA, US: 37.3483, -121.8947

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 18, 2019, 6 p.m. 18.3 ppb (17) 4.9 ppb (5) N/A 13.0 ppb (12) N/A N/A 17.0 ppb (13) 0.34 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 18, 2019, 5 p.m. 26.6 ppb (25) 9.0 ppb (8) N/A 18.0 ppb (17) N/A N/A 10.0 ppb (8) 0.4 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2019, 4 p.m. 53.0 ppb (49) 30.8 ppb (29) N/A 22.0 ppb (20) N/A N/A 2.0 ppb (2) 0.84 ppb (9) N/A 9.0 μg/m3 (38) 49.0
 
Jan. 18, 2019, 3 p.m. 51.2 ppb (47) 32.6 ppb (30) N/A 19.0 ppb (18) N/A N/A 0.0 ppb (0) 0.84 ppb (9) N/A 9.0 μg/m3 (38) 47.0
 
Jan. 18, 2019, 2 p.m. 31.4 ppb (29) 13.6 ppb (13) N/A 18.0 ppb (17) N/A N/A 0.0 ppb (0) 0.55 ppb (6) N/A 5.0 μg/m3 (21) 29.0
 
Jan. 18, 2019, 1 p.m. 19.6 ppb (18) 4.3 ppb (4) N/A 15.0 ppb (14) N/A N/A 3.0 ppb (2) 0.41 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 18, 2019, noon 17.5 ppb (16) 3.5 ppb (3) N/A 14.0 ppb (13) N/A N/A 2.0 ppb (2) 0.33 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2019, 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
 
Jan. 18, 2019, 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
 
Jan. 18, 2019, 9 a.m. 23.0 ppb (21) 2.1 ppb (2) N/A 21.0 ppb (19) N/A N/A 3.0 ppb (2) 0.49 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 18, 2019, 8 a.m. 23.5 ppb (22) 2.6 ppb (2) N/A 21.0 ppb (19) N/A N/A 4.0 ppb (3) 0.51 ppb (6) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 18, 2019, 7 a.m. 30.7 ppb (28) 4.9 ppb (5) N/A 26.0 ppb (24) N/A N/A 2.0 ppb (2) 0.55 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 18, 2019, 6 a.m. 32.4 ppb (30) 5.0 ppb (5) N/A 28.0 ppb (26) N/A N/A 3.0 ppb (2) 0.59 ppb (7) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 18, 2019, 5 a.m. 34.1 ppb (32) 6.7 ppb (6) N/A 27.0 ppb (25) N/A N/A 5.0 ppb (4) 0.64 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2019, 4 a.m. 20.1 ppb (19) 1.3 ppb (1) N/A 19.0 ppb (18) N/A N/A 15.0 ppb (12) 0.36 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 18, 2019, 3 a.m. 23.2 ppb (21) 2.1 ppb (2) N/A 21.0 ppb (19) N/A N/A 14.0 ppb (11) 0.47 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 18, 2019, 2 a.m. 30.4 ppb (28) 2.9 ppb (3) N/A 28.0 ppb (26) N/A N/A 7.0 ppb (5) 0.61 ppb (7) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 18, 2019, 1 a.m. 23.4 ppb (22) 1.4 ppb (1) N/A 22.0 ppb (20) N/A N/A 15.0 ppb (12) 0.45 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2019, midnight 11.2 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 27.0 ppb (21) 0.34 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 17, 2019, 11 p.m. 5.7 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) 0.19 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 17, 2019, 10 p.m. 8.5 ppb (8) 1.3 ppb (1) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) 0.23 ppb (3) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 17, 2019, 9 p.m. 5.5 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) 0.21 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 17, 2019, 8 p.m. 5.6 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) 0.2 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2019, 7 p.m. 9.4 ppb (9) 1.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 29.0 ppb (22) 0.23 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 17, 2019, 6 p.m. 17.1 ppb (16) 3.4 ppb (3) N/A 14.0 ppb (13) N/A N/A 23.0 ppb (18) 0.33 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2019, 5 p.m. 14.3 ppb (13) 1.7 ppb (2) N/A 13.0 ppb (12) N/A N/A 25.0 ppb (19) 0.3 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2019, 4 p.m. 8.9 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (7) N/A N/A 30.0 ppb (23) 0.23 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2019, 3 p.m. 6.9 ppb (6) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) 0.21 ppb (2) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 17, 2019, 2 p.m. 4.9 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) 0.17 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 17, 2019, 1 p.m. 1.9 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) 0.15 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2019, noon 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) 0.14 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 17, 2019, 9 a.m. 5.2 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) 0.15 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2019, 8 a.m. 5.8 ppb (5) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) 0.13 ppb (1) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2019, 7 a.m. 3.7 ppb (3) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) 0.13 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2019, 6 a.m. 2.4 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) 0.14 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2019, 5 a.m. 3.8 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) 0.17 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2019, 4 a.m. 6.6 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 21.0 ppb (16) 0.2 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2019, 3 a.m. 5.1 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 0.18 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2019, 2 a.m. 3.0 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) 0.18 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 17, 2019, 1 a.m. 2.6 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) 0.18 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2019, midnight 2.3 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 0.18 ppb (2) N/A 3.0 μg/m3 (12) 21.0
 
Jan. 16, 2019, 11 p.m. 4.0 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 20.0
 
Jan. 16, 2019, 10 p.m. 6.1 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) 0.2 ppb (2) N/A 2.0 μg/m3 (8) 18.0
 
Jan. 16, 2019, 9 p.m. 4.7 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) 0.19 ppb (2) N/A 0.0 μg/m3 (0) 22.0
 
Jan. 16, 2019, 8 p.m. 4.6 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) 0.18 ppb (2) N/A 3.0 μg/m3 (12) 24.0
 
Jan. 16, 2019, 7 p.m. 4.2 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) 0.17 ppb (2) N/A 4.0 μg/m3 (17) 25.0
 
Jan. 16, 2019, 6 p.m. 5.8 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) 0.2 ppb (2) N/A 2.0 μg/m3 (8) 22.0
 
Jan. 16, 2019, 5 p.m. 8.7 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) 0.21 ppb (2) N/A 4.0 μg/m3 (17) 19.0
 
Jan. 16, 2019, 4 p.m. 7.3 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2019, 3 p.m. 7.1 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) 0.23 ppb (3) N/A 3.0 μg/m3 (12) 21.0
 
Jan. 16, 2019, 2 p.m. 5.6 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) 0.18 ppb (2) N/A 4.0 μg/m3 (17) 22.0
 
Jan. 16, 2019, 1 p.m. 3.5 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) 0.18 ppb (2) N/A 5.0 μg/m3 (21) 23.0
 
Jan. 16, 2019, noon 2.5 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) 0.13 ppb (1) N/A 5.0 μg/m3 (21) 24.0
 
Jan. 16, 2019, 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
 
Jan. 16, 2019, 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
 
Jan. 16, 2019, 9 a.m. 3.5 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 25.0
 
Jan. 16, 2019, 8 a.m. 4.4 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 25.0
 
Jan. 16, 2019, 7 a.m. 4.5 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) 0.13 ppb (1) N/A 5.0 μg/m3 (21) 25.0
 
Jan. 16, 2019, 6 a.m. 5.6 ppb (5) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) 0.17 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 16, 2019, 5 a.m. 9.4 ppb (9) 0.3 ppb (0) N/A 9.0 ppb (8) N/A N/A 26.0 ppb (20) 0.22 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 16, 2019, 4 a.m. 8.5 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 29.0 ppb (22) 0.2 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 16, 2019, 3 a.m. 5.0 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) 0.18 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2019, 2 a.m. 6.0 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 22.0
 
Jan. 16, 2019, 1 a.m. 5.1 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) 0.23 ppb (3) N/A 3.0 μg/m3 (12) 23.0
 
Jan. 16, 2019, midnight 6.0 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) 0.25 ppb (3) N/A 2.0 μg/m3 (8) 22.0
 
Jan. 15, 2019, 11 p.m. 7.4 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) 0.22 ppb (2) N/A 2.0 μg/m3 (8) 20.0
 
Jan. 15, 2019, 10 p.m. 7.5 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) 0.22 ppb (2) N/A 2.0 μg/m3 (8) 20.0
 
Jan. 15, 2019, 9 p.m. 11.2 ppb (10) 1.6 ppb (1) N/A 10.0 ppb (9) N/A N/A 24.0 ppb (18) 0.26 ppb (3) N/A 2.0 μg/m3 (8) 18.0
 
Jan. 15, 2019, 8 p.m. 10.9 ppb (10) 1.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 24.0 ppb (18) 0.28 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 7 p.m. 9.9 ppb (9) 1.4 ppb (1) N/A 8.0 ppb (7) N/A N/A 25.0 ppb (19) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 6 p.m. 10.7 ppb (10) 1.5 ppb (1) N/A 9.0 ppb (8) N/A N/A 24.0 ppb (18) 0.27 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 5 p.m. 15.3 ppb (14) 2.1 ppb (2) N/A 13.0 ppb (12) N/A N/A 22.0 ppb (17) 0.31 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 15, 2019, 4 p.m. 13.0 ppb (12) 1.0 ppb (1) N/A 12.0 ppb (11) N/A N/A 22.0 ppb (17) 0.27 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 15, 2019, 3 p.m. 10.1 ppb (9) 0.4 ppb (0) N/A 10.0 ppb (9) N/A N/A 24.0 ppb (18) 0.25 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 2 p.m. 8.0 ppb (7) 0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A 28.0 ppb (22) 0.18 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 1 p.m. 4.7 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) 0.15 ppb (2) N/A 5.0 μg/m3 (21) 23.0
 
Jan. 15, 2019, noon 3.5 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) 0.13 ppb (1) N/A 3.0 μg/m3 (12) 22.0
 
Jan. 15, 2019, 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
 
Jan. 15, 2019, 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
 
Jan. 15, 2019, 9 a.m. 3.5 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) 0.14 ppb (2) N/A 1.0 μg/m3 (4) 23.0
 
Jan. 15, 2019, 8 a.m. 4.5 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) 0.16 ppb (2) N/A 2.0 μg/m3 (8) 21.0
 
Jan. 15, 2019, 7 a.m. 4.7 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) 0.17 ppb (2) N/A 3.0 μg/m3 (12) 20.0
 
Jan. 15, 2019, 6 a.m. 6.8 ppb (6) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) 0.2 ppb (2) N/A 2.0 μg/m3 (8) 18.0
 
Jan. 15, 2019, 5 a.m. 8.4 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 20.0 ppb (15) 0.24 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 4 a.m. 11.1 ppb (10) 0.5 ppb (0) N/A 11.0 ppb (10) N/A N/A 16.0 ppb (12) 0.26 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 3 a.m. 10.9 ppb (10) 0.4 ppb (0) N/A 10.0 ppb (9) N/A N/A 17.0 ppb (13) 0.24 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 15, 2019, 2 a.m. 11.4 ppb (11) 0.6 ppb (1) N/A 11.0 ppb (10) N/A N/A 18.0 ppb (14) 0.26 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2019, 1 a.m. 14.2 ppb (13) 0.7 ppb (1) N/A 14.0 ppb (13) N/A N/A 18.0 ppb (14) 0.24 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2019, midnight 7.4 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 24.0 ppb (18) 0.22 ppb (2) N/A 3.0 μg/m3 (12) 18.0
 
Jan. 14, 2019, 11 p.m. 6.5 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (20) 0.19 ppb (2) N/A 1.0 μg/m3 (4) 20.0
 
Jan. 14, 2019, 10 p.m. 5.4 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) 0.18 ppb (2) N/A 1.0 μg/m3 (4) 22.0
 
Jan. 14, 2019, 9 p.m. 7.0 ppb (6) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) 0.18 ppb (2) N/A N/A 21.0
 
Jan. 14, 2019, 8 p.m. 6.4 ppb (6) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) 0.17 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2019, 7 p.m. 19.6 ppb (18) 5.3 ppb (5) N/A 14.0 ppb (13) N/A N/A 17.0 ppb (13) 0.33 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 14, 2019, 6 p.m. 65.0 ppb (62) 34.4 ppb (32) N/A 31.0 ppb (29) N/A N/A 2.0 ppb (2) 0.77 ppb (9) N/A 12.0 μg/m3 (50) 62.0
 
Jan. 14, 2019, 5 p.m. 111.8 ppb (102) 81.9 ppb (80) N/A 30.0 ppb (28) N/A N/A 0.0 ppb (0) 1.16 ppb (13) N/A 21.0 μg/m3 (69) 102.0
 
Jan. 14, 2019, 4 p.m. 105.8 ppb (101) 75.9 ppb (73) N/A 30.0 ppb (28) N/A N/A 0.0 ppb (0) 1.04 ppb (12) N/A 12.0 μg/m3 (50) 101.0
 
Jan. 14, 2019, 3 p.m. 95.0 ppb (94) 67.8 ppb (65) N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) 1.01 ppb (11) N/A 17.0 μg/m3 (61) 94.0
 
Jan. 14, 2019, 2 p.m. 73.8 ppb (71) 49.4 ppb (46) N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) 0.75 ppb (8) N/A 8.0 μg/m3 (33) 71.0
 
Jan. 14, 2019, 1 p.m. 49.4 ppb (46) 27.6 ppb (26) N/A 22.0 ppb (20) N/A N/A 0.0 ppb (0) 0.64 ppb (7) N/A 9.0 μg/m3 (38) 46.0
 
Jan. 14, 2019, noon 37.6 ppb (35) 19.5 ppb (18) N/A 18.0 ppb (17) N/A N/A 0.0 ppb (0) 0.56 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2019, 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
 
Jan. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2019, 9 a.m. 38.6 ppb (36) 14.1 ppb (13) N/A 25.0 ppb (23) N/A N/A 0.0 ppb (0) 0.64 ppb (7) N/A 7.0 μg/m3 (29) 36.0
 
Jan. 14, 2019, 8 a.m. 25.7 ppb (24) 3.1 ppb (3) N/A 23.0 ppb (21) N/A N/A 4.0 ppb (3) 0.52 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2019, 7 a.m. 23.8 ppb (22) 1.6 ppb (1) N/A 22.0 ppb (20) N/A N/A 6.0 ppb (5) 0.46 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 14, 2019, 6 a.m. 22.9 ppb (21) 1.5 ppb (1) N/A 22.0 ppb (20) N/A N/A 8.0 ppb (6) 0.45 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 14, 2019, 5 a.m. 21.1 ppb (20) 0.9 ppb (1) N/A 20.0 ppb (19) N/A N/A 11.0 ppb (8) 0.42 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2019, 4 a.m. 11.7 ppb (11) 0.3 ppb (0) N/A 11.0 ppb (10) N/A N/A 20.0 ppb (15) 0.28 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 14, 2019, 3 a.m. 15.3 ppb (14) 0.4 ppb (0) N/A 15.0 ppb (14) N/A N/A 18.0 ppb (14) 0.34 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2019, 2 a.m. 18.0 ppb (17) 0.5 ppb (0) N/A 18.0 ppb (17) N/A N/A 17.0 ppb (13) 0.38 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 14, 2019, 1 a.m. 9.7 ppb (9) 0.1 ppb (0) N/A 10.0 ppb (9) N/A N/A 26.0 ppb (20) 0.27 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 14, 2019, midnight 6.4 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) 0.19 ppb (2) N/A 3.0 μg/m3 (12) 24.0
 
Jan. 13, 2019, 11 p.m. 3.4 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) 0.17 ppb (2) N/A 2.0 μg/m3 (8) 25.0
 
Jan. 13, 2019, 10 p.m. 3.6 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) 0.18 ppb (2) N/A 2.0 μg/m3 (8) 27.0
 
Jan. 13, 2019, 9 p.m. 5.0 ppb (5) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 24.0
 
Jan. 13, 2019, 8 p.m. 7.1 ppb (7) 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) 0.2 ppb (2) N/A 1.0 μg/m3 (4) 22.0
 
Jan. 13, 2019, 7 p.m. 9.2 ppb (9) 1.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.17 ppb (2) N/A 2.0 μg/m3 (8) 21.0
 
Jan. 13, 2019, 6 p.m. 5.2 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) 0.16 ppb (2) N/A 5.0 μg/m3 (21) 23.0
 
Jan. 13, 2019, 5 p.m. 11.5 ppb (11) 3.0 ppb (3) N/A 9.0 ppb (8) N/A N/A 21.0 ppb (16) 0.25 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 13, 2019, 4 p.m. 33.3 ppb (31) 15.4 ppb (14) N/A 18.0 ppb (17) N/A N/A 4.0 ppb (3) 0.54 ppb (6) N/A 2.0 μg/m3 (8) 31.0
 
Jan. 13, 2019, 3 p.m. 24.4 ppb (23) 5.9 ppb (5) N/A 19.0 ppb (18) N/A N/A 2.0 ppb (2) 0.36 ppb (4) N/A 0.0 μg/m3 (0) 23.0
 
Jan. 13, 2019, 2 p.m. 12.4 ppb (11) 0.7 ppb (1) N/A 12.0 ppb (11) N/A N/A 10.0 ppb (8) 0.25 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 13, 2019, 1 p.m. 10.5 ppb (10) 0.5 ppb (0) N/A 10.0 ppb (9) N/A N/A 11.0 ppb (8) 0.25 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2019, noon 15.1 ppb (14) 1.4 ppb (1) N/A 14.0 ppb (13) N/A N/A 6.0 ppb (5) 0.3 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2019, 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
 
Jan. 13, 2019, 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
 
Jan. 13, 2019, 9 a.m. 9.9 ppb (9) 0.2 ppb (0) N/A 10.0 ppb (9) N/A N/A 18.0 ppb (14) 0.24 ppb (3) N/A 3.0 μg/m3 (12) 14.0
 
Jan. 13, 2019, 8 a.m. 12.2 ppb (11) 0.5 ppb (0) N/A 12.0 ppb (11) N/A N/A 18.0 ppb (14) 0.29 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2019, 7 a.m. 11.0 ppb (10) 0.4 ppb (0) N/A 11.0 ppb (10) N/A N/A 21.0 ppb (16) 0.36 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 13, 2019, 6 a.m. 14.3 ppb (13) 0.4 ppb (0) N/A 14.0 ppb (13) N/A N/A 20.0 ppb (15) 0.37 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2019, 5 a.m. 9.1 ppb (8) 0.2 ppb (0) N/A 9.0 ppb (8) N/A N/A 27.0 ppb (21) 0.31 ppb (3) N/A 4.0 μg/m3 (17) 21.0
 
Jan. 13, 2019, 4 a.m. 5.7 ppb (5) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) 0.24 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2019, 3 a.m. 5.0 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) 0.21 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2019, 2 a.m. 7.0 ppb (6) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 34.0 ppb (26) 0.22 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2019, 1 a.m. 6.9 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (26) 0.22 ppb (2) N/A 36.0 μg/m3 (101) 101.0
 
Jan. 13, 2019, midnight 4.3 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) 0.18 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 12, 2019, 11 p.m. 5.1 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) 0.17 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 12, 2019, 10 p.m. 4.3 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) 0.15 ppb (2) N/A 5.0 μg/m3 (21) 28.0
 
Jan. 12, 2019, 9 p.m. 4.0 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) 0.16 ppb (2) N/A 4.0 μg/m3 (17) 26.0
 
Jan. 12, 2019, 8 p.m. 6.5 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) 0.19 ppb (2) N/A 5.0 μg/m3 (21) 22.0
 
Jan. 12, 2019, 7 p.m. 11.1 ppb (10) 3.0 ppb (3) N/A 8.0 ppb (7) N/A N/A 25.0 ppb (19) 0.22 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2019, 6 p.m. 20.6 ppb (19) 6.5 ppb (6) N/A 14.0 ppb (13) N/A N/A 20.0 ppb (15) 0.31 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2019, 5 p.m. 46.8 ppb (43) 23.1 ppb (21) N/A 24.0 ppb (22) N/A N/A 6.0 ppb (5) 0.55 ppb (6) N/A 10.0 μg/m3 (42) 43.0
 
Jan. 12, 2019, 4 p.m. 53.5 ppb (50) 26.6 ppb (25) N/A 27.0 ppb (25) N/A N/A 2.0 ppb (2) 0.78 ppb (9) N/A 7.0 μg/m3 (29) 50.0
 
Jan. 12, 2019, 3 p.m. 32.8 ppb (30) 9.6 ppb (9) N/A 23.0 ppb (21) N/A N/A 4.0 ppb (3) 1.08 ppb (12) N/A 2.0 μg/m3 (8) 30.0
 
Jan. 12, 2019, 2 p.m. 19.4 ppb (18) 0.8 ppb (1) N/A 19.0 ppb (18) N/A N/A 10.0 ppb (8) 0.32 ppb (4) N/A 2.0 μg/m3 (8) 18.0
 
Jan. 12, 2019, 1 p.m. 16.0 ppb (15) 0.5 ppb (0) N/A 16.0 ppb (15) N/A N/A 10.0 ppb (8) 0.28 ppb (3) N/A 3.0 μg/m3 (12) 15.0
 
Jan. 12, 2019, noon 9.7 ppb (9) 2.6 ppb (2) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) 0.28 ppb (3) N/A 3.0 μg/m3 (12) 18.0
 
Jan. 12, 2019, 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
 
Jan. 12, 2019, 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
 
Jan. 12, 2019, 9 a.m. 3.5 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 21.0
 
Jan. 12, 2019, 8 a.m. 4.3 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) 0.16 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 12, 2019, 7 a.m. 4.8 ppb (4) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) 0.18 ppb (2) N/A 3.0 μg/m3 (12) 20.0
 
Jan. 12, 2019, 6 a.m. 7.1 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 24.0 ppb (18) 0.21 ppb (2) N/A 3.0 μg/m3 (12) 18.0
 
Jan. 12, 2019, 5 a.m. 4.8 ppb (4) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) 0.22 ppb (2) N/A 4.0 μg/m3 (17) 20.0
 
Jan. 12, 2019, 4 a.m. 6.2 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) 0.2 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 12, 2019, 3 a.m. 9.9 ppb (9) 0.4 ppb (0) N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) 0.24 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2019, 2 a.m. 12.9 ppb (12) 0.4 ppb (0) N/A 13.0 ppb (12) N/A N/A 18.0 ppb (14) 0.31 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 12, 2019, 1 a.m. 12.8 ppb (12) 0.6 ppb (1) N/A 12.0 ppb (11) N/A N/A 17.0 ppb (13) 0.32 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2019, midnight 9.1 ppb (8) 0.4 ppb (0) N/A 9.0 ppb (8) N/A N/A 21.0 ppb (16) 0.24 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 11, 2019, 11 p.m. 10.3 ppb (10) 1.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 21.0 ppb (16) 0.27 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2019, 10 p.m. 10.1 ppb (9) 1.4 ppb (1) N/A 9.0 ppb (8) N/A N/A 26.0 ppb (20) 0.22 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 11, 2019, 9 p.m. 9.1 ppb (8) 1.5 ppb (1) N/A 8.0 ppb (7) N/A N/A 26.0 ppb (20) 0.23 ppb (3) N/A 3.0 μg/m3 (12) 20.0
 
Jan. 11, 2019, 8 p.m. 7.2 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 21.0
 
Jan. 11, 2019, 7 p.m. 8.0 ppb (7) 1.5 ppb (1) N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) 0.21 ppb (2) N/A 6.0 μg/m3 (25) 25.0