AQSQID: 060850005

Site Name: San Jose - Jackson St.

Location: San José, CA

Reporting: False, Located: True

Current AQI: None

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
May 19, 2019, 7 p.m. 4.1 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) 0.18 ppb (2) N/A 4.0 μg/m3 (17) 35.0
 
May 19, 2019, 6 p.m. 5.2 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (32) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 32.0
 
May 19, 2019, 5 p.m. 3.6 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) 0.17 ppb (2) N/A 4.0 μg/m3 (17) 32.0
 
May 19, 2019, 4 p.m. 6.4 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) 0.22 ppb (2) N/A 4.0 μg/m3 (17) 26.0
 
May 19, 2019, 3 p.m. 8.3 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.22 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 19, 2019, 2 p.m. 6.6 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) 0.18 ppb (2) N/A 4.0 μg/m3 (17) 22.0
 
May 19, 2019, 1 p.m. 4.2 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) 0.17 ppb (2) N/A 2.0 μg/m3 (8) 18.0
 
May 19, 2019, noon 6.5 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (14) 0.19 ppb (2) N/A 2.0 μg/m3 (8) 14.0
 
May 19, 2019, 11 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
 
May 19, 2019, 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
 
May 19, 2019, 9 a.m. 4.8 ppb (4) 0.6 ppb (1) 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
 
May 19, 2019, 8 a.m. 3.4 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) 0.15 ppb (2) N/A 3.0 μg/m3 (12) 22.0
 
May 19, 2019, 7 a.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) 0.15 ppb (2) N/A 5.0 μg/m3 (21) 24.0
 
May 19, 2019, 6 a.m. 2.3 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) 0.15 ppb (2) N/A 5.0 μg/m3 (21) 24.0
 
May 19, 2019, 5 a.m. 3.5 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) 0.17 ppb (2) N/A 5.0 μg/m3 (21) 22.0
 
May 19, 2019, 4 a.m. 4.3 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 22.0
 
May 19, 2019, 3 a.m. 4.2 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) 0.18 ppb (2) N/A 4.0 μg/m3 (17) 23.0
 
May 19, 2019, 2 a.m. 3.7 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) 0.19 ppb (2) N/A 2.0 μg/m3 (8) 25.0
 
May 19, 2019, 1 a.m. 3.6 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) 0.18 ppb (2) N/A 1.0 μg/m3 (4) 26.0
 
May 19, 2019, midnight 4.6 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) 0.19 ppb (2) N/A 1.0 μg/m3 (4) 25.0
 
May 18, 2019, 11 p.m. 6.2 ppb (6) 0.9 ppb (1) 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
 
May 18, 2019, 10 p.m. 4.2 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 26.0
 
May 18, 2019, 9 p.m. 6.6 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) 0.24 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
May 18, 2019, 8 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) 0.39 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
May 18, 2019, 7 p.m. 6.3 ppb (6) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) 0.2 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
May 18, 2019, 6 p.m. 6.9 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) 0.2 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 18, 2019, 5 p.m. 6.3 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) 0.21 ppb (2) N/A 4.0 μg/m3 (17) 22.0
 
May 18, 2019, 4 p.m. 7.8 ppb (7) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) 0.19 ppb (2) N/A 3.0 μg/m3 (12) 21.0
 
May 18, 2019, 3 p.m. 7.9 ppb (7) 2.2 ppb (2) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (18) 0.19 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 18, 2019, 2 p.m. 12.7 ppb (12) 3.4 ppb (3) N/A 9.0 ppb (8) N/A N/A 15.0 ppb (12) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
May 18, 2019, 1 p.m. 16.1 ppb (15) 3.1 ppb (3) N/A 13.0 ppb (12) N/A N/A 7.0 ppb (5) 0.32 ppb (4) N/A 3.0 μg/m3 (12) 15.0
 
May 18, 2019, noon 14.7 ppb (14) 4.2 ppb (4) N/A 11.0 ppb (10) N/A N/A 5.0 ppb (4) 0.38 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
May 18, 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
 
May 18, 2019, 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
 
May 18, 2019, 9 a.m. 9.1 ppb (8) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 10.0 ppb (8) 0.27 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
May 18, 2019, 8 a.m. 16.8 ppb (16) 1.0 ppb (1) N/A 16.0 ppb (15) N/A N/A 7.0 ppb (5) 0.31 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
May 18, 2019, 7 a.m. 17.0 ppb (16) 1.2 ppb (1) N/A 16.0 ppb (15) N/A N/A 13.0 ppb (10) 0.33 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
May 18, 2019, 6 a.m. 8.6 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 25.0 ppb (19) 0.23 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
May 18, 2019, 5 a.m. 4.2 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) 0.2 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 18, 2019, 4 a.m. 4.0 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) 0.17 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
May 18, 2019, 3 a.m. 4.3 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) 0.17 ppb (2) N/A 5.0 μg/m3 (21) 26.0
 
May 18, 2019, 2 a.m. 3.5 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) 0.18 ppb (2) N/A 6.0 μg/m3 (25) 28.0
 
May 18, 2019, 1 a.m. 3.5 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) 0.17 ppb (2) N/A 6.0 μg/m3 (25) 29.0
 
May 18, 2019, midnight 3.5 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.17 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
May 17, 2019, 11 p.m. 3.1 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (33) 0.16 ppb (2) N/A 7.0 μg/m3 (29) 33.0
 
May 17, 2019, 10 p.m. 3.2 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) 0.16 ppb (2) N/A 6.0 μg/m3 (25) 34.0
 
May 17, 2019, 9 p.m. 5.1 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) 0.18 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 17, 2019, 8 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (32) 0.18 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 17, 2019, 7 p.m. 7.8 ppb (7) 1.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (29) 0.18 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 17, 2019, 6 p.m. 5.3 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) 0.18 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
May 17, 2019, 5 p.m. 11.6 ppb (11) 2.6 ppb (2) N/A 9.0 ppb (8) N/A N/A 32.0 ppb (25) 0.21 ppb (2) N/A 16.0 μg/m3 (59) 59.0
 
May 17, 2019, 4 p.m. 13.3 ppb (12) 2.6 ppb (2) N/A 11.0 ppb (10) N/A N/A 29.0 ppb (22) 0.24 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
May 17, 2019, 3 p.m. 15.3 ppb (14) 2.6 ppb (2) N/A 13.0 ppb (12) N/A N/A 25.0 ppb (19) 0.26 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
May 17, 2019, 2 p.m. 10.8 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A N/A 27.0 ppb (21) 0.24 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
May 17, 2019, 1 p.m. 13.8 ppb (13) 0.8 ppb (1) N/A 13.0 ppb (12) N/A N/A 24.0 ppb (18) 0.24 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
May 17, 2019, noon 5.0 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) 0.16 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
May 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
 
May 17, 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
 
May 17, 2019, 9 a.m. 1.8 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) 0.14 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 17, 2019, 8 a.m. 1.7 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) 0.15 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 17, 2019, 7 a.m. 3.0 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) 0.16 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 17, 2019, 6 a.m. 2.5 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) 0.17 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
May 17, 2019, 5 a.m. 4.1 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) 0.17 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
May 17, 2019, 4 a.m. 5.9 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) 0.19 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 17, 2019, 3 a.m. 8.2 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (6) N/A N/A 31.0 ppb (24) 0.22 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 17, 2019, 2 a.m. 6.3 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) 0.18 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 17, 2019, 1 a.m. 3.5 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) 0.16 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
May 17, 2019, midnight 3.5 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) 0.16 ppb (2) N/A 6.0 μg/m3 (25) 30.0
 
May 16, 2019, 11 p.m. 3.4 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.16 ppb (2) N/A 7.0 μg/m3 (29) 31.0
 
May 16, 2019, 10 p.m. 4.6 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) 0.16 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
May 16, 2019, 9 p.m. 5.7 ppb (5) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) 0.17 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 16, 2019, 8 p.m. 5.6 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) 0.2 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 16, 2019, 7 p.m. 6.2 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) 0.19 ppb (2) N/A 5.0 μg/m3 (21) 29.0
 
May 16, 2019, 6 p.m. 5.0 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) 0.18 ppb (2) N/A 7.0 μg/m3 (29) 30.0
 
May 16, 2019, 5 p.m. 7.0 ppb (6) 1.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (30) 0.2 ppb (2) N/A 7.0 μg/m3 (29) 30.0
 
May 16, 2019, 4 p.m. 6.8 ppb (6) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (28) 0.21 ppb (2) N/A 6.0 μg/m3 (25) 28.0
 
May 16, 2019, 3 p.m. 9.2 ppb (9) 1.7 ppb (2) N/A 7.0 ppb (6) N/A N/A 34.0 ppb (26) 0.22 ppb (2) N/A 5.0 μg/m3 (21) 26.0
 
May 16, 2019, 2 p.m. 12.5 ppb (12) 1.4 ppb (1) N/A 11.0 ppb (10) N/A N/A 27.0 ppb (21) 0.29 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
May 16, 2019, 1 p.m. 11.1 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (9) N/A N/A 28.0 ppb (22) 0.27 ppb (3) N/A 4.0 μg/m3 (17) 22.0
 
May 16, 2019, noon 6.6 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) 0.21 ppb (2) N/A 3.0 μg/m3 (12) 23.0
 
May 16, 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
 
May 16, 2019, 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
 
May 16, 2019, 9 a.m. 3.6 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) 0.17 ppb (2) N/A 5.0 μg/m3 (21) 25.0
 
May 16, 2019, 8 a.m. 2.6 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) 0.16 ppb (2) N/A 2.0 μg/m3 (8) 29.0
 
May 16, 2019, 7 a.m. 1.8 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 30.0
 
May 16, 2019, 6 a.m. 1.7 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) 0.14 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 16, 2019, 5 a.m. 1.7 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 0.14 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 16, 2019, 4 a.m. 3.0 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.17 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 16, 2019, 3 a.m. 3.3 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) 0.15 ppb (2) N/A 3.0 μg/m3 (12) 18.0
 
May 16, 2019, 2 a.m. 5.0 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) 0.17 ppb (2) N/A 4.0 μg/m3 (17) 18.0
 
May 16, 2019, 1 a.m. 5.1 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) 0.19 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 16, 2019, midnight 7.0 ppb (6) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (20) 0.23 ppb (3) N/A 34.0 μg/m3 (97) 97.0
 
May 15, 2019, 11 p.m. 4.3 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) 0.18 ppb (2) N/A 3.0 μg/m3 (12) 21.0
 
May 15, 2019, 10 p.m. 3.5 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) 0.15 ppb (2) N/A 5.0 μg/m3 (21) 23.0
 
May 15, 2019, 9 p.m. 3.7 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) 0.17 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 15, 2019, 8 p.m. 3.4 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 0.18 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 15, 2019, 7 p.m. 4.8 ppb (4) 1.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) 0.18 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 15, 2019, 6 p.m. 5.9 ppb (5) 1.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) 0.19 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 15, 2019, 5 p.m. 6.1 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) 0.23 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
May 15, 2019, 4 p.m. 8.5 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 18.0 ppb (14) 0.24 ppb (3) N/A 3.0 μg/m3 (12) 14.0
 
May 15, 2019, 3 p.m. 12.1 ppb (11) 1.8 ppb (2) N/A 10.0 ppb (9) N/A N/A 14.0 ppb (11) 0.23 ppb (3) N/A 2.0 μg/m3 (8) 11.0
 
May 15, 2019, 2 p.m. 12.5 ppb (12) 1.5 ppb (1) N/A 11.0 ppb (10) N/A N/A 13.0 ppb (10) 0.26 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
May 15, 2019, 1 p.m. 13.3 ppb (12) 1.8 ppb (2) N/A 12.0 ppb (11) N/A N/A 12.0 ppb (9) 0.21 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
May 15, 2019, noon 6.8 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (13) 0.17 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 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
 
May 15, 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
 
May 15, 2019, 9 a.m. 6.9 ppb (6) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 22.0 ppb (17) 0.2 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 15, 2019, 8 a.m. 5.4 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 0.18 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 15, 2019, 7 a.m. 5.7 ppb (5) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) 0.18 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 15, 2019, 6 a.m. 5.6 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) 0.17 ppb (2) N/A 3.0 μg/m3 (12) 19.0
 
May 15, 2019, 5 a.m. 5.6 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) 0.17 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 15, 2019, 4 a.m. 5.1 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) 0.17 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 15, 2019, 3 a.m. 5.5 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) 0.17 ppb (2) N/A 5.0 μg/m3 (21) 22.0
 
May 15, 2019, 2 a.m. 3.7 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) 0.17 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 15, 2019, 1 a.m. 4.7 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) 0.17 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 15, 2019, midnight 4.8 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) 0.17 ppb (2) N/A 4.0 μg/m3 (17) 24.0
 
May 14, 2019, 11 p.m. 3.4 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) 0.16 ppb (2) N/A 4.0 μg/m3 (17) 25.0
 
May 14, 2019, 10 p.m. 3.0 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) 0.16 ppb (2) N/A 4.0 μg/m3 (17) 27.0
 
May 14, 2019, 9 p.m. 3.5 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) 0.16 ppb (2) N/A 5.0 μg/m3 (21) 29.0
 
May 14, 2019, 8 p.m. 4.1 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) 0.17 ppb (2) N/A 6.0 μg/m3 (25) 30.0
 
May 14, 2019, 7 p.m. 5.4 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) 0.17 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
May 14, 2019, 6 p.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
 
May 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (59) 59.0
 
May 14, 2019, 4 p.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
 
May 14, 2019, 3 p.m. 6.0 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) 0.17 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 14, 2019, 2 p.m. 5.1 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) 0.18 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 14, 2019, 1 p.m. 4.6 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) 0.18 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 14, 2019, noon 2.7 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) 0.15 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 14, 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
 
May 14, 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
 
May 14, 2019, 9 a.m. 2.2 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 23.0
 
May 14, 2019, 8 a.m. 3.4 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 22.0
 
May 14, 2019, 7 a.m. 2.7 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 22.0
 
May 14, 2019, 6 a.m. 2.6 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) 0.15 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 14, 2019, 5 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 8.0 μg/m3 (33) 33.0
 
May 14, 2019, 4 a.m. 3.2 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) 0.16 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
May 14, 2019, 3 a.m. 3.3 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) 0.16 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 14, 2019, 2 a.m. 3.5 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) 0.17 ppb (2) N/A 5.0 μg/m3 (21) 24.0
 
May 14, 2019, 1 a.m. 3.1 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) 0.16 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 14, 2019, midnight 3.6 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) 0.17 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
May 13, 2019, 11 p.m. 4.4 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) 0.18 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
May 13, 2019, 10 p.m. 4.7 ppb (4) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) 0.18 ppb (2) N/A 7.0 μg/m3 (29) 31.0
 
May 13, 2019, 9 p.m. 6.4 ppb (6) 1.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) 0.18 ppb (2) N/A N/A 29.0
 
May 13, 2019, 8 p.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
 
May 13, 2019, 7 p.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
 
May 13, 2019, 6 p.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
 
May 13, 2019, 5 p.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
 
May 13, 2019, 4 p.m. 13.8 ppb (13) 4.1 ppb (4) N/A 10.0 ppb (9) N/A N/A 23.0 ppb (18) 0.21 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
May 13, 2019, 3 p.m. 18.6 ppb (17) 6.5 ppb (6) N/A 12.0 ppb (11) N/A N/A 18.0 ppb (14) 0.27 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
May 13, 2019, 2 p.m. 24.2 ppb (22) 8.7 ppb (8) N/A 16.0 ppb (15) N/A N/A 12.0 ppb (9) 0.36 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
May 13, 2019, 1 p.m. 23.2 ppb (21) 6.8 ppb (6) N/A 16.0 ppb (15) N/A N/A 3.0 ppb (2) 0.43 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
May 13, 2019, noon 13.8 ppb (13) 1.0 ppb (1) N/A 13.0 ppb (12) N/A N/A 7.0 ppb (5) 0.28 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
May 13, 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
 
May 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
 
May 13, 2019, 9 a.m. 5.0 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 13, 2019, 8 a.m. 3.8 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) 0.13 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
May 13, 2019, 7 a.m. 3.6 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) 0.14 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 13, 2019, 6 a.m. 3.9 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) 0.14 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 13, 2019, 5 a.m. 4.1 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) 0.14 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 13, 2019, 4 a.m. 4.2 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) 0.15 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
May 13, 2019, 3 a.m. 3.7 ppb (3) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) 0.14 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
May 13, 2019, 2 a.m. 3.3 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) 0.14 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 13, 2019, 1 a.m. 2.7 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) 0.15 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 13, 2019, midnight 2.6 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 0.15 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 12, 2019, 11 p.m. 3.0 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) 0.16 ppb (2) N/A 7.0 μg/m3 (29) 32.0
 
May 12, 2019, 10 p.m. 2.8 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) 0.15 ppb (2) N/A 7.0 μg/m3 (29) 32.0
 
May 12, 2019, 9 p.m. 3.0 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (33) 0.16 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 12, 2019, 8 p.m. 3.2 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) 0.16 ppb (2) N/A 9.0 μg/m3 (38) 38.0