AQSQID: 060850005

Site Name: San Jose - Jackson St.

Location: San José, CA

Reporting: True, Located: True

Current AQI: 26.0

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
Sept. 21, 2019, 7 a.m. 28.5 ppb (26) 6.3 ppb (6) N/A 22.0 ppb (20) N/A N/A 1.0 ppb (1) 0.59 ppb (7) N/A 2.0 μg/m3 (8) 26.0
 
Sept. 21, 2019, 6 a.m. 21.1 ppb (20) 2.2 ppb (2) N/A 19.0 ppb (18) N/A N/A 5.0 ppb (4) 0.39 ppb (4) N/A 3.0 μg/m3 (12) 20.0
 
Sept. 21, 2019, 5 a.m. 18.3 ppb (17) 1.5 ppb (1) N/A 17.0 ppb (16) N/A N/A 10.0 ppb (8) 0.39 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 21, 2019, 4 a.m. 6.4 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 0.21 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 21, 2019, 3 a.m. 6.1 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) 0.6 ppb (7) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 21, 2019, 2 a.m. 6.2 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) 0.2 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 21, 2019, 1 a.m. 4.9 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) 0.17 ppb (2) N/A 4.0 μg/m3 (17) 28.0
 
Sept. 21, 2019, midnight 6.1 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 47.0 ppb (36) 0.19 ppb (2) N/A 3.0 μg/m3 (12) 36.0
 
Sept. 20, 2019, 11 p.m. 4.8 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 48.0 ppb (37) 0.18 ppb (2) N/A 5.0 μg/m3 (21) 37.0
 
Sept. 20, 2019, 10 p.m. 5.0 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 49.0 ppb (38) 0.18 ppb (2) N/A 6.0 μg/m3 (25) 38.0
 
Sept. 20, 2019, 9 p.m. 5.6 ppb (5) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 44.0 ppb (34) 0.17 ppb (2) N/A 4.0 μg/m3 (17) 34.0
 
Sept. 20, 2019, 8 p.m. 5.4 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) 0.18 ppb (2) N/A 4.0 μg/m3 (17) 29.0
 
Sept. 20, 2019, 7 p.m. 9.9 ppb (9) 2.9 ppb (3) N/A 7.0 ppb (6) N/A N/A 31.0 ppb (24) 0.24 ppb (3) N/A N/A 24.0
 
Sept. 20, 2019, 6 p.m. 17.0 ppb (16) 5.5 ppb (5) N/A 12.0 ppb (11) N/A N/A 25.0 ppb (19) 0.3 ppb (3) N/A N/A 19.0
 
Sept. 20, 2019, 5 p.m. 29.2 ppb (27) 11.4 ppb (11) N/A 18.0 ppb (17) N/A N/A 17.0 ppb (13) 0.37 ppb (4) N/A 29.0 μg/m3 (86) 86.0
 
Sept. 20, 2019, 4 p.m. 35.7 ppb (33) 16.9 ppb (16) N/A 19.0 ppb (18) N/A N/A 10.0 ppb (8) 0.45 ppb (5) N/A 44.0 μg/m3 (121) 121.0
 
Sept. 20, 2019, 3 p.m. 37.3 ppb (35) 18.7 ppb (17) N/A 19.0 ppb (18) N/A N/A 6.0 ppb (5) 0.49 ppb (5) N/A N/A 35.0
 
Sept. 20, 2019, 2 p.m. 47.4 ppb (44) 30.3 ppb (28) N/A 17.0 ppb (16) N/A N/A 1.0 ppb (1) 0.66 ppb (7) N/A N/A 44.0
 
Sept. 20, 2019, 1 p.m. 26.9 ppb (25) 11.6 ppb (11) N/A 15.0 ppb (14) N/A N/A 1.0 ppb (1) 0.47 ppb (5) N/A N/A 25.0
 
Sept. 20, 2019, noon 15.9 ppb (15) 4.1 ppb (4) N/A 12.0 ppb (11) N/A N/A 2.0 ppb (2) 0.35 ppb (4) N/A N/A 15.0
 
Sept. 20, 2019, 9 a.m. 17.1 ppb (16) 1.1 ppb (1) N/A 16.0 ppb (15) N/A N/A 2.0 ppb (2) 0.34 ppb (4) N/A N/A 16.0
 
Sept. 20, 2019, 8 a.m. 17.4 ppb (16) 0.7 ppb (1) N/A 17.0 ppb (16) N/A N/A 4.0 ppb (3) 0.36 ppb (4) N/A N/A 16.0
 
Sept. 20, 2019, 7 a.m. 21.9 ppb (20) 2.8 ppb (3) N/A 19.0 ppb (18) N/A N/A 5.0 ppb (4) 0.32 ppb (4) N/A N/A 20.0
 
Sept. 20, 2019, 6 a.m. 16.8 ppb (16) 0.8 ppb (1) N/A 16.0 ppb (15) N/A N/A 12.0 ppb (9) 0.26 ppb (3) N/A N/A 16.0
 
Sept. 20, 2019, 5 a.m. 8.4 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 21.0 ppb (16) 0.2 ppb (2) N/A N/A 16.0
 
Sept. 20, 2019, 4 a.m. 5.6 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) 0.18 ppb (2) N/A N/A 18.0
 
Sept. 20, 2019, 3 a.m. 5.5 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) 0.18 ppb (2) N/A N/A 20.0
 
Sept. 20, 2019, 2 a.m. 6.5 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) 0.19 ppb (2) N/A N/A 22.0
 
Sept. 20, 2019, 1 a.m. 6.6 ppb (6) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (25) 0.19 ppb (2) N/A N/A 25.0
 
Sept. 20, 2019, midnight 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (32) 0.2 ppb (2) N/A N/A 32.0
 
Sept. 19, 2019, 11 p.m. 4.8 ppb (4) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) 0.2 ppb (2) N/A N/A 34.0
 
Sept. 19, 2019, 10 p.m. 5.9 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) 0.19 ppb (2) N/A N/A 31.0
 
Sept. 19, 2019, 9 p.m. 6.1 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) 0.18 ppb (2) N/A N/A 28.0
 
Sept. 19, 2019, 8 p.m. 5.4 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) 0.16 ppb (2) N/A N/A 25.0
 
Sept. 19, 2019, 7 p.m. 5.2 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) 0.17 ppb (2) N/A N/A 22.0
 
Sept. 19, 2019, 6 p.m. 6.9 ppb (6) 2.4 ppb (2) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) 0.18 ppb (2) N/A N/A 20.0
 
Sept. 19, 2019, 5 p.m. 14.2 ppb (13) 5.3 ppb (5) N/A 9.0 ppb (8) N/A N/A 20.0 ppb (15) 0.24 ppb (3) N/A N/A 15.0
 
Sept. 19, 2019, 4 p.m. 18.0 ppb (17) 7.0 ppb (6) N/A 11.0 ppb (10) N/A N/A 16.0 ppb (12) 0.3 ppb (3) N/A N/A 17.0
 
Sept. 19, 2019, 3 p.m. 33.8 ppb (31) 18.8 ppb (17) N/A 15.0 ppb (14) N/A N/A 9.0 ppb (7) 0.47 ppb (5) N/A N/A 31.0
 
Sept. 19, 2019, 2 p.m. 43.9 ppb (41) 25.8 ppb (24) N/A 18.0 ppb (17) N/A N/A 1.0 ppb (1) 0.58 ppb (6) N/A N/A 41.0
 
Sept. 19, 2019, 1 p.m. 28.7 ppb (27) 11.0 ppb (10) N/A 18.0 ppb (17) N/A N/A 3.0 ppb (2) 0.43 ppb (5) N/A N/A 27.0
 
Sept. 19, 2019, noon 6.9 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 16.0 ppb (12) 0.19 ppb (2) N/A N/A 12.0
 
Sept. 19, 2019, 9 a.m. 15.1 ppb (14) 1.0 ppb (1) N/A 14.0 ppb (13) N/A N/A 7.0 ppb (5) 0.22 ppb (2) N/A N/A 14.0
 
Sept. 19, 2019, 8 a.m. 9.8 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 14.0 ppb (11) 0.2 ppb (2) N/A N/A 11.0
 
Sept. 19, 2019, 7 a.m. 3.8 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) 0.17 ppb (2) N/A N/A 17.0
 
Sept. 19, 2019, 6 a.m. 2.9 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) 0.16 ppb (2) N/A N/A 18.0
 
Sept. 19, 2019, 5 a.m. 3.0 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) 0.17 ppb (2) N/A N/A 19.0
 
Sept. 19, 2019, 4 a.m. 3.2 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) 0.16 ppb (2) N/A N/A 20.0
 
Sept. 19, 2019, 3 a.m. 3.6 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) 0.17 ppb (2) N/A N/A 21.0
 
Sept. 19, 2019, 2 a.m. 4.1 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) 0.16 ppb (2) N/A N/A 20.0
 
Sept. 19, 2019, 1 a.m. 3.9 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) 0.15 ppb (2) N/A N/A 20.0
 
Sept. 19, 2019, midnight 3.1 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) 0.15 ppb (2) N/A N/A 20.0
 
Sept. 18, 2019, 11 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) 0.15 ppb (2) N/A N/A 22.0
 
Sept. 18, 2019, 10 p.m. 3.7 ppb (3) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) 0.15 ppb (2) N/A N/A 22.0
 
Sept. 18, 2019, 9 p.m. 5.1 ppb (5) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) 0.16 ppb (2) N/A N/A 18.0
 
Sept. 18, 2019, 8 p.m. 7.2 ppb (7) 2.6 ppb (2) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) 0.18 ppb (2) N/A N/A 15.0
 
Sept. 18, 2019, 7 p.m. 10.4 ppb (10) 3.5 ppb (3) N/A 7.0 ppb (6) N/A N/A 19.0 ppb (15) 0.21 ppb (2) N/A N/A 15.0
 
Sept. 18, 2019, 6 p.m. 10.4 ppb (10) 3.7 ppb (3) N/A 7.0 ppb (6) N/A N/A 18.0 ppb (14) 0.22 ppb (2) N/A N/A 14.0
 
Sept. 18, 2019, 5 p.m. 6.2 ppb (6) 2.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) 0.18 ppb (2) N/A N/A 14.0
 
Sept. 18, 2019, 4 p.m. 16.3 ppb (15) 5.6 ppb (5) N/A 11.0 ppb (10) N/A N/A 11.0 ppb (8) 0.27 ppb (3) N/A N/A 15.0
 
Sept. 18, 2019, 3 p.m. 21.0 ppb (19) 7.2 ppb (7) N/A 14.0 ppb (13) N/A N/A 8.0 ppb (6) 0.35 ppb (4) N/A N/A 19.0
 
Sept. 18, 2019, 2 p.m. 30.6 ppb (28) 13.6 ppb (13) N/A 17.0 ppb (16) N/A N/A 1.0 ppb (1) 0.44 ppb (5) N/A N/A 28.0
 
Sept. 18, 2019, 1 p.m. 20.4 ppb (19) 5.7 ppb (5) N/A 15.0 ppb (14) N/A N/A 2.0 ppb (2) 0.34 ppb (4) N/A N/A 19.0
 
Sept. 18, 2019, noon 15.8 ppb (15) 4.5 ppb (4) N/A 11.0 ppb (10) N/A N/A 3.0 ppb (2) 0.26 ppb (3) N/A N/A 15.0
 
Sept. 18, 2019, 9 a.m. 27.5 ppb (25) 10.3 ppb (10) N/A 17.0 ppb (16) N/A N/A 1.0 ppb (1) 0.35 ppb (4) N/A N/A 25.0
 
Sept. 18, 2019, 8 a.m. 19.9 ppb (18) 3.1 ppb (3) N/A 17.0 ppb (16) N/A N/A 3.0 ppb (2) 0.3 ppb (3) N/A N/A 18.0
 
Sept. 18, 2019, 7 a.m. 7.6 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 16.0 ppb (12) 0.2 ppb (2) N/A N/A 12.0
 
Sept. 18, 2019, 6 a.m. 4.5 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 0.19 ppb (2) N/A N/A 15.0
 
Sept. 18, 2019, 5 a.m. 4.4 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
Sept. 18, 2019, 4 a.m. 5.6 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
Sept. 18, 2019, 3 a.m. 6.4 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
Sept. 18, 2019, 2 a.m. 5.8 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
Sept. 18, 2019, 1 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) 0.18 ppb (2) N/A N/A 19.0
 
Sept. 18, 2019, midnight 4.4 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) 0.17 ppb (2) N/A N/A 22.0
 
Sept. 17, 2019, 11 p.m. 4.1 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) 0.17 ppb (2) N/A N/A 22.0
 
Sept. 17, 2019, 10 p.m. 4.9 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) 0.18 ppb (2) N/A N/A 30.0
 
Sept. 17, 2019, 9 p.m. 2.8 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) 0.15 ppb (2) N/A N/A 28.0
 
Sept. 17, 2019, 8 p.m. 4.9 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) 0.18 ppb (2) N/A N/A 25.0
 
Sept. 17, 2019, 7 p.m. 9.3 ppb (9) 3.0 ppb (3) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) 0.21 ppb (2) N/A N/A 22.0
 
Sept. 17, 2019, 6 p.m. 17.2 ppb (16) 6.1 ppb (6) N/A 11.0 ppb (10) N/A N/A 21.0 ppb (16) 0.29 ppb (3) N/A N/A 16.0
 
Sept. 17, 2019, 5 p.m. 22.4 ppb (21) 8.9 ppb (8) N/A 14.0 ppb (13) N/A N/A 17.0 ppb (13) 0.33 ppb (4) N/A N/A 21.0
 
Sept. 17, 2019, 4 p.m. 23.5 ppb (22) 10.9 ppb (10) N/A 13.0 ppb (12) N/A N/A 12.0 ppb (9) 0.38 ppb (4) N/A N/A 22.0
 
Sept. 17, 2019, 3 p.m. 40.5 ppb (38) 25.0 ppb (23) N/A 16.0 ppb (15) N/A N/A 5.0 ppb (4) 0.57 ppb (6) N/A N/A 38.0
 
Sept. 17, 2019, 2 p.m. 51.9 ppb (48) 38.4 ppb (36) N/A 14.0 ppb (13) N/A N/A 1.0 ppb (1) 0.76 ppb (8) N/A N/A 48.0
 
Sept. 17, 2019, 1 p.m. 34.1 ppb (32) 22.5 ppb (21) N/A 12.0 ppb (11) N/A N/A 0.0 ppb (0) 0.55 ppb (6) N/A N/A 32.0
 
Sept. 17, 2019, noon 25.2 ppb (23) 14.9 ppb (14) N/A 10.0 ppb (9) N/A N/A 0.0 ppb (0) 0.4 ppb (4) N/A N/A 23.0
 
Sept. 17, 2019, 9 a.m. 5.3 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 15.0 ppb (12) 0.19 ppb (2) N/A N/A 12.0
 
Sept. 17, 2019, 8 a.m. 6.2 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) 0.21 ppb (2) N/A N/A 12.0
 
Sept. 17, 2019, 7 a.m. 3.5 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.17 ppb (2) N/A N/A 16.0
 
Sept. 17, 2019, 6 a.m. 3.7 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.18 ppb (2) N/A N/A 16.0
 
Sept. 17, 2019, 5 a.m. 3.4 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) 0.17 ppb (2) N/A N/A 17.0
 
Sept. 17, 2019, 4 a.m. 5.2 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) 0.2 ppb (2) N/A N/A 17.0
 
Sept. 17, 2019, 3 a.m. 5.4 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) 0.18 ppb (2) N/A N/A 17.0
 
Sept. 17, 2019, 2 a.m. 4.7 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) 0.18 ppb (2) N/A N/A 18.0
 
Sept. 17, 2019, 1 a.m. 3.3 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) 0.18 ppb (2) N/A N/A 21.0
 
Sept. 17, 2019, midnight 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) 0.17 ppb (2) N/A N/A 22.0
 
Sept. 16, 2019, 11 p.m. 3.0 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) 0.17 ppb (2) N/A N/A 22.0
 
Sept. 16, 2019, 10 p.m. 3.2 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) 0.17 ppb (2) N/A N/A 25.0
 
Sept. 16, 2019, 9 p.m. 2.9 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) 0.17 ppb (2) N/A N/A 26.0
 
Sept. 16, 2019, 8 p.m. 3.8 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) 0.16 ppb (2) N/A N/A 25.0
 
Sept. 16, 2019, 7 p.m. 4.0 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) 0.17 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 6 p.m. 4.6 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) 0.17 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 16, 2019, 5 p.m. 7.3 ppb (7) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) 0.18 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 16, 2019, 4 p.m. 9.1 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (6) N/A N/A 24.0 ppb (18) 0.21 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 16, 2019, 3 p.m. 6.5 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) 0.19 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2019, 2 p.m. 11.2 ppb (10) 2.0 ppb (2) N/A 9.0 ppb (8) N/A N/A 9.0 ppb (7) 0.22 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2019, 1 p.m. 8.3 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 12.0 ppb (9) 0.19 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, noon 11.6 ppb (11) 5.7 ppb (5) N/A 6.0 ppb (6) N/A N/A 12.0 ppb (9) 0.15 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 16, 2019, 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
 
Sept. 16, 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
 
Sept. 16, 2019, 9 a.m. 1.2 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 18.0 ppb (14) 0.12 ppb (1) N/A 2.0 μg/m3 (8) 14.0
 
Sept. 16, 2019, 8 a.m. 1.5 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 19.0 ppb (15) 0.13 ppb (1) N/A 3.0 μg/m3 (12) 15.0
 
Sept. 16, 2019, 7 a.m. 2.0 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 19.0 ppb (15) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 16, 2019, 6 a.m. 1.1 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 20.0 ppb (15) 0.13 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 16, 2019, 5 a.m. 0.7 ppb (1) 0.4 ppb (0) N/A 0.0 ppb (0) N/A N/A 21.0 ppb (16) 0.13 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 16, 2019, 4 a.m. 1.6 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 21.0 ppb (16) 0.14 ppb (2) N/A 3.0 μg/m3 (12) 16.0
 
Sept. 16, 2019, 3 a.m. 1.8 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 2 a.m. 1.7 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) 0.15 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2019, 1 a.m. 2.2 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 0.17 ppb (2) N/A 4.0 μg/m3 (17) 21.0
 
Sept. 16, 2019, midnight 1.2 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) 0.15 ppb (2) N/A 5.0 μg/m3 (21) 22.0
 
Sept. 15, 2019, 11 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) 0.15 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 10 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 25.0
 
Sept. 15, 2019, 9 p.m. 1.6 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) 0.15 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 8 p.m. 3.4 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) 0.18 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2019, 7 p.m. 3.8 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) 0.19 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, 6 p.m. 3.7 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) 0.18 ppb (2) N/A 5.0 μg/m3 (21) 24.0
 
Sept. 15, 2019, 5 p.m. 4.4 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) 0.17 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 4 p.m. 3.9 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) 0.17 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2019, 3 p.m. 3.7 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) 0.18 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 2 p.m. 3.8 ppb (4) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) 0.18 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, 1 p.m. 3.9 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 0.18 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, noon 4.3 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 16.0 ppb (12) 0.17 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 9 a.m. 3.7 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.17 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 15, 2019, 8 a.m. 4.0 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) 0.16 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, 7 a.m. 3.1 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) 0.17 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, 6 a.m. 3.9 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) 0.19 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 5 a.m. 4.0 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) 0.19 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 4 a.m. 4.1 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) 0.19 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2019, 3 a.m. 10.2 ppb (9) 1.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 19.0 ppb (15) 0.21 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2019, 2 a.m. 4.6 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) 0.19 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 1 a.m. 4.5 ppb (4) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) 0.18 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, midnight 2.7 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) 0.17 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 14, 2019, 11 p.m. 5.0 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) 0.18 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 14, 2019, 10 p.m. 3.7 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.19 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 14, 2019, 9 p.m. 4.5 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 54.0 ppb (42) 0.21 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2019, 8 p.m. 6.3 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 57.0 ppb (44) 0.27 ppb (3) N/A 10.0 μg/m3 (42) 44.0
 
Sept. 14, 2019, 7 p.m. 17.8 ppb (16) 2.7 ppb (3) N/A 15.0 ppb (14) N/A N/A 48.0 ppb (37) 0.4 ppb (4) N/A 19.0 μg/m3 (65) 65.0
 
Sept. 14, 2019, 6 p.m. 27.5 ppb (25) 4.8 ppb (4) N/A 23.0 ppb (21) N/A N/A 41.0 ppb (32) 0.43 ppb (5) N/A 15.0 μg/m3 (56) 56.0
 
Sept. 14, 2019, 5 p.m. 29.0 ppb (27) 6.6 ppb (6) N/A 22.0 ppb (20) N/A N/A 31.0 ppb (24) 0.43 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 14, 2019, 4 p.m. 29.8 ppb (28) 8.2 ppb (8) N/A 22.0 ppb (20) N/A N/A 22.0 ppb (17) 0.48 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 14, 2019, 3 p.m. 31.3 ppb (29) 9.3 ppb (9) N/A 22.0 ppb (20) N/A N/A 15.0 ppb (12) 0.6 ppb (7) N/A 15.0 μg/m3 (56) 56.0
 
Sept. 14, 2019, 2 p.m. 34.3 ppb (32) 12.1 ppb (11) N/A 22.0 ppb (20) N/A N/A 4.0 ppb (3) 0.71 ppb (8) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 14, 2019, 1 p.m. 29.9 ppb (28) 6.4 ppb (6) N/A 24.0 ppb (22) N/A N/A 2.0 ppb (2) 0.65 ppb (7) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 14, 2019, noon 24.9 ppb (23) 2.8 ppb (3) N/A 22.0 ppb (20) N/A N/A 5.0 ppb (4) 0.41 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (61) 61.0
 
Sept. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (63) 63.0
 
Sept. 14, 2019, 9 a.m. 27.0 ppb (25) 1.9 ppb (2) N/A 25.0 ppb (23) N/A N/A 7.0 ppb (5) 0.62 ppb (7) N/A 15.0 μg/m3 (56) 56.0
 
Sept. 14, 2019, 8 a.m. 29.3 ppb (27) 3.8 ppb (4) N/A 26.0 ppb (24) N/A N/A 9.0 ppb (7) 0.53 ppb (6) N/A 15.0 μg/m3 (56) 56.0
 
Sept. 14, 2019, 7 a.m. 27.6 ppb (26) 1.0 ppb (1) N/A 27.0 ppb (25) N/A N/A 11.0 ppb (8) 0.69 ppb (8) N/A 17.0 μg/m3 (61) 61.0
 
Sept. 14, 2019, 6 a.m. 30.2 ppb (28) 0.9 ppb (1) N/A 29.0 ppb (27) N/A N/A 10.0 ppb (8) 0.69 ppb (8) N/A 15.0 μg/m3 (56) 56.0
 
Sept. 14, 2019, 5 a.m. 27.6 ppb (26) 0.9 ppb (1) N/A 27.0 ppb (25) N/A N/A 18.0 ppb (14) 0.49 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 14, 2019, 4 a.m. 21.8 ppb (20) 1.1 ppb (1) N/A 21.0 ppb (19) N/A N/A 32.0 ppb (25) 0.39 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 14, 2019, 3 a.m. 10.0 ppb (9) 0.5 ppb (0) N/A 10.0 ppb (9) N/A N/A 47.0 ppb (36) 0.3 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 14, 2019, 2 a.m. 9.2 ppb (9) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 46.0 ppb (35) 0.28 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 14, 2019, 1 a.m. 6.8 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 63.0 ppb (48) 0.26 ppb (3) N/A 17.0 μg/m3 (61) 61.0
 
Sept. 14, 2019, midnight 4.2 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 51.0 ppb (39) 0.22 ppb (2) N/A 14.0 μg/m3 (54) 54.0