AQSQID: 060670006

Site Name: Sacramento - Del Paso Manor

Location: Sacramento (Avalon Dr), CA

Reporting: True, Located: True

Current AQI: 25.0

Sacramento (Avalon Dr) CA, US: 38.613804, -121.368007

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 19, 2019, 2 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (18) 0.12 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
May 19, 2019, 1 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (16) 0.13 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
May 19, 2019, noon 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (19) 0.12 ppb (1) N/A 4.0 μg/m3 (17) 19.0
 
May 19, 2019, 11 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) 0.12 ppb (1) N/A 2.0 μg/m3 (8) 24.0
 
May 19, 2019, 10 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 34.0 ppb (26) 0.11 ppb (1) N/A 2.0 μg/m3 (8) 26.0
 
May 19, 2019, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.11 ppb (1) N/A 5.0 μg/m3 (21) 27.0
 
May 19, 2019, 8 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.12 ppb (1) N/A 4.0 μg/m3 (17) 26.0
 
May 19, 2019, 7 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) 0.12 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
May 19, 2019, 6 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 34.0 ppb (26) 0.13 ppb (1) N/A 4.0 μg/m3 (17) 26.0
 
May 19, 2019, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.12 ppb (1) N/A 2.0 μg/m3 (8) 26.0
 
May 19, 2019, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) 0.13 ppb (1) N/A 3.0 μg/m3 (12) 25.0
 
May 19, 2019, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) 0.13 ppb (1) N/A 2.0 μg/m3 (8) 24.0
 
May 19, 2019, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) 0.14 ppb (2) N/A 1.0 μg/m3 (4) 25.0
 
May 19, 2019, 1 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) 0.14 ppb (2) N/A -2.0 μg/m3 (0) 23.0
 
May 19, 2019, midnight 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.15 ppb (2) N/A -1.0 μg/m3 (0) 22.0
 
May 18, 2019, 11 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (22) 0.17 ppb (2) N/A 0.0 μg/m3 (0) 22.0
 
May 18, 2019, 10 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) 0.15 ppb (2) N/A -2.0 μg/m3 (0) 24.0
 
May 18, 2019, 9 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) 0.15 ppb (2) N/A 1.0 μg/m3 (4) 25.0
 
May 18, 2019, 8 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.14 ppb (2) N/A 3.0 μg/m3 (12) 25.0
 
May 18, 2019, 7 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.16 ppb (2) N/A 4.0 μg/m3 (17) 25.0
 
May 18, 2019, 6 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 26.0
 
May 18, 2019, 5 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 18, 2019, 4 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 30.0 ppb (23) 0.13 ppb (1) N/A 1.0 μg/m3 (4) 23.0
 
May 18, 2019, 3 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) 0.13 ppb (1) N/A 3.0 μg/m3 (12) 21.0
 
May 18, 2019, 2 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) 0.13 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
May 18, 2019, 1 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 16.0 ppb (12) 0.13 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
May 18, 2019, noon 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 18.0 ppb (14) 0.12 ppb (1) N/A 11.0 μg/m3 (46) 46.0
 
May 18, 2019, 11 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (16) 0.13 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
May 18, 2019, 10 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (18) 0.11 ppb (1) N/A -3.0 μg/m3 (0) 18.0
 
May 18, 2019, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (17) 0.11 ppb (1) N/A -2.0 μg/m3 (0) 17.0
 
May 18, 2019, 8 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (17) 0.13 ppb (1) N/A 0.0 μg/m3 (0) 17.0
 
May 18, 2019, 7 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (18) 0.14 ppb (2) N/A 2.0 μg/m3 (8) 18.0
 
May 18, 2019, 6 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) 0.15 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 18, 2019, 5 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 18, 2019, 4 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) 0.14 ppb (2) N/A 2.0 μg/m3 (8) 24.0
 
May 18, 2019, 3 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) 0.14 ppb (2) N/A -1.0 μg/m3 (0) 26.0
 
May 18, 2019, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 0.12 ppb (1) N/A -3.0 μg/m3 (0) 29.0
 
May 18, 2019, 1 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (32) 0.12 ppb (1) N/A -1.0 μg/m3 (0) 32.0
 
May 18, 2019, midnight 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (32) 0.12 ppb (1) N/A -1.0 μg/m3 (0) 32.0
 
May 17, 2019, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (32) 0.12 ppb (1) N/A 0.0 μg/m3 (0) 32.0
 
May 17, 2019, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (32) 0.12 ppb (1) N/A 5.0 μg/m3 (21) 32.0
 
May 17, 2019, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 38.0 ppb (29) 0.12 ppb (1) N/A 4.0 μg/m3 (17) 29.0
 
May 17, 2019, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 38.0 ppb (29) 0.12 ppb (1) N/A 1.0 μg/m3 (4) 29.0
 
May 17, 2019, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) 0.12 ppb (1) N/A 0.0 μg/m3 (0) 28.0
 
May 17, 2019, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 35.0 ppb (27) 0.12 ppb (1) N/A 2.0 μg/m3 (8) 27.0
 
May 17, 2019, 5 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 35.0 ppb (27) 0.12 ppb (1) N/A 2.0 μg/m3 (8) 27.0
 
May 17, 2019, 4 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) 0.12 ppb (1) N/A 2.0 μg/m3 (8) 25.0
 
May 17, 2019, 3 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.14 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
May 17, 2019, 2 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (22) 0.15 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 17, 2019, 1 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) 0.13 ppb (1) N/A 4.0 μg/m3 (17) 22.0
 
May 17, 2019, noon N/A 0.0 ppb (0) N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
May 17, 2019, 11 a.m. N/A 0.0 ppb (0) N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
May 17, 2019, 10 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) 0.11 ppb (1) N/A 1.0 μg/m3 (4) 24.0
 
May 17, 2019, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) 0.11 ppb (1) N/A -2.0 μg/m3 (0) 25.0
 
May 17, 2019, 8 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) 0.11 ppb (1) N/A -2.0 μg/m3 (0) 24.0
 
May 17, 2019, 7 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) 0.12 ppb (1) N/A 0.0 μg/m3 (0) 24.0
 
May 17, 2019, 6 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (25) 0.12 ppb (1) N/A 0.0 μg/m3 (0) 25.0
 
May 17, 2019, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) 0.12 ppb (1) N/A 1.0 μg/m3 (4) 25.0
 
May 17, 2019, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.12 ppb (1) N/A 3.0 μg/m3 (12) 26.0
 
May 17, 2019, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.12 ppb (1) N/A 1.0 μg/m3 (4) 26.0
 
May 17, 2019, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) 0.12 ppb (1) N/A 1.0 μg/m3 (4) 28.0
 
May 17, 2019, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) 0.12 ppb (1) N/A 5.0 μg/m3 (21) 28.0
 
May 17, 2019, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) 0.13 ppb (1) N/A 3.0 μg/m3 (12) 28.0
 
May 16, 2019, 11 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 40.0 ppb (31) 0.12 ppb (1) N/A 1.0 μg/m3 (4) 31.0
 
May 16, 2019, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (32) 0.12 ppb (1) N/A 1.0 μg/m3 (4) 32.0
 
May 16, 2019, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) 0.12 ppb (1) N/A 0.0 μg/m3 (0) 31.0
 
May 16, 2019, 8 p.m. N/A 0.0 ppb (0) N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
May 16, 2019, 7 p.m. N/A 0.0 ppb (0) N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
May 16, 2019, 6 p.m. 2.0 ppb (2) N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (29) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 29.0
 
May 16, 2019, 5 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (30) 0.12 ppb (1) N/A -1.0 μg/m3 (0) 30.0
 
May 16, 2019, 4 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (30) 0.12 ppb (1) N/A 0.0 μg/m3 (0) 30.0
 
May 16, 2019, 3 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 0.13 ppb (1) N/A 5.0 μg/m3 (21) 29.0
 
May 16, 2019, 2 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (25) 0.18 ppb (2) N/A 3.0 μg/m3 (12) 25.0
 
May 16, 2019, 1 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.13 ppb (1) N/A -1.0 μg/m3 (0) 23.0
 
May 16, 2019, noon 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.12 ppb (1) N/A 0.0 μg/m3 (0) 21.0
 
May 16, 2019, 11 a.m. 1.0 ppb (1) N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) 0.11 ppb (1) N/A 0.0 μg/m3 (0) 25.0
 
May 16, 2019, 10 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 35.0 ppb (27) 0.11 ppb (1) N/A 2.0 μg/m3 (8) 27.0
 
May 16, 2019, 9 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 36.0 ppb (28) 0.11 ppb (1) N/A 1.0 μg/m3 (4) 28.0
 
May 16, 2019, 8 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) N/A 0.0 μg/m3 (0) 26.0
 
May 16, 2019, 7 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 23.0 ppb (18) 0.11 ppb (1) N/A 3.0 μg/m3 (12) 18.0
 
May 16, 2019, 6 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (20) 0.11 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
May 16, 2019, 5 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (18) 0.13 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
May 16, 2019, 4 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (15) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 16, 2019, 3 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) 0.14 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 16, 2019, 2 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (16) 0.17 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 16, 2019, 1 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (22) 0.15 ppb (2) N/A 5.0 μg/m3 (21) 22.0
 
May 16, 2019, midnight 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) 0.14 ppb (2) N/A 1.0 μg/m3 (4) 25.0
 
May 15, 2019, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 35.0 ppb (27) 0.11 ppb (1) N/A 4.0 μg/m3 (17) 27.0
 
May 15, 2019, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 32.0 ppb (25) 0.11 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
May 15, 2019, 9 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) 0.11 ppb (1) N/A 4.0 μg/m3 (17) 24.0
 
May 15, 2019, 8 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) 0.15 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 15, 2019, 7 p.m. 8.0 ppb (7) 3.0 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) 0.13 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
May 15, 2019, 6 p.m. 6.0 ppb (6) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) 0.12 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
May 15, 2019, 5 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 22.0 ppb (17) 0.13 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
May 15, 2019, 4 p.m. 8.0 ppb (7) 3.0 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 20.0 ppb (15) 0.15 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 15, 2019, 3 p.m. 15.0 ppb (14) 5.0 ppb (5) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 18.0 ppb (14) 0.14 ppb (2) N/A 2.0 μg/m3 (8) 14.0
 
May 15, 2019, 2 p.m. 12.0 ppb (11) 3.0 ppb (3) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 18.0 ppb (14) 0.14 ppb (2) N/A 1.0 μg/m3 (4) 14.0
 
May 15, 2019, 1 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) 0.12 ppb (1) N/A 2.0 μg/m3 (8) 18.0
 
May 15, 2019, noon 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (19) 0.11 ppb (1) N/A 3.0 μg/m3 (12) 19.0
 
May 15, 2019, 11 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (18) 0.11 ppb (1) N/A 1.0 μg/m3 (4) 18.0
 
May 15, 2019, 10 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.11 ppb (1) N/A 1.0 μg/m3 (4) 17.0
 
May 15, 2019, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 17.0
 
May 15, 2019, 8 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.11 ppb (1) N/A 0.0 μg/m3 (0) 18.0
 
May 15, 2019, 7 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 18.0
 
May 15, 2019, 6 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.11 ppb (1) N/A 4.0 μg/m3 (17) 20.0
 
May 15, 2019, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.12 ppb (1) N/A 3.0 μg/m3 (12) 19.0
 
May 15, 2019, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.12 ppb (1) N/A 1.0 μg/m3 (4) 20.0
 
May 15, 2019, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.12 ppb (1) N/A 1.0 μg/m3 (4) 20.0
 
May 15, 2019, 2 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) 0.12 ppb (1) N/A 2.0 μg/m3 (8) 21.0
 
May 15, 2019, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 28.0 ppb (22) 0.12 ppb (1) N/A 2.0 μg/m3 (8) 22.0
 
May 15, 2019, midnight 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 31.0 ppb (24) 0.12 ppb (1) N/A 1.0 μg/m3 (4) 24.0
 
May 14, 2019, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) 0.11 ppb (1) N/A 1.0 μg/m3 (4) 28.0
 
May 14, 2019, 10 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) 0.12 ppb (1) N/A 1.0 μg/m3 (4) 28.0
 
May 14, 2019, 9 p.m. 7.0 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 35.0 ppb (27) 0.12 ppb (1) N/A 4.0 μg/m3 (17) 27.0
 
May 14, 2019, 8 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 36.0 ppb (28) 0.12 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
May 14, 2019, 7 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 35.0 ppb (27) 0.12 ppb (1) N/A 5.0 μg/m3 (21) 27.0
 
May 14, 2019, 6 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 33.0 ppb (25) 0.13 ppb (1) N/A 4.0 μg/m3 (17) 25.0
 
May 14, 2019, 5 p.m. 8.0 ppb (7) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 31.0 ppb (24) 0.12 ppb (1) N/A 3.0 μg/m3 (12) 24.0
 
May 14, 2019, 4 p.m. 8.0 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (22) 0.12 ppb (1) N/A 3.0 μg/m3 (12) 22.0
 
May 14, 2019, 3 p.m. 10.0 ppb (9) 3.0 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) 0.13 ppb (1) N/A 4.0 μg/m3 (17) 22.0
 
May 14, 2019, 2 p.m. 28.0 ppb (26) 9.0 ppb (8) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 20.0 ppb (15) 0.16 ppb (2) N/A 2.0 μg/m3 (8) 26.0
 
May 14, 2019, 1 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) 0.12 ppb (1) N/A -2.0 μg/m3 (0) 16.0
 
May 14, 2019, noon 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (18) 0.1 ppb (1) N/A 0.0 μg/m3 (0) 18.0
 
May 14, 2019, 11 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (18) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 18.0
 
May 14, 2019, 10 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (18) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
May 14, 2019, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (17) 0.1 ppb (1) N/A 1.0 μg/m3 (4) 17.0
 
May 14, 2019, 8 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (16) 0.1 ppb (1) N/A -1.0 μg/m3 (0) 16.0
 
May 14, 2019, 7 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (19) 0.11 ppb (1) N/A 3.0 μg/m3 (12) 19.0
 
May 14, 2019, 6 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (22) 0.12 ppb (1) N/A 4.0 μg/m3 (17) 22.0
 
May 14, 2019, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (23) 0.12 ppb (1) N/A 5.0 μg/m3 (21) 23.0
 
May 14, 2019, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) 0.12 ppb (1) N/A 4.0 μg/m3 (17) 24.0
 
May 14, 2019, 3 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.13 ppb (1) N/A 3.0 μg/m3 (12) 25.0
 
May 14, 2019, 2 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 36.0 ppb (28) 0.13 ppb (1) N/A 1.0 μg/m3 (4) 28.0
 
May 14, 2019, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 39.0 ppb (30) 0.13 ppb (1) N/A 1.0 μg/m3 (4) 30.0
 
May 14, 2019, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 43.0 ppb (33) 0.12 ppb (1) N/A 2.0 μg/m3 (8) 33.0
 
May 13, 2019, 11 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 45.0 ppb (35) 0.13 ppb (1) N/A 4.0 μg/m3 (17) 35.0
 
May 13, 2019, 10 p.m. 4.0 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 43.0 ppb (33) 0.12 ppb (1) N/A 7.0 μg/m3 (29) 33.0
 
May 13, 2019, 9 p.m. 9.0 ppb (8) 3.0 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 38.0 ppb (29) 0.12 ppb (1) N/A 6.0 μg/m3 (25) 29.0
 
May 13, 2019, 8 p.m. 10.0 ppb (9) 3.0 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 37.0 ppb (28) 0.12 ppb (1) N/A 3.0 μg/m3 (12) 28.0
 
May 13, 2019, 7 p.m. 9.0 ppb (8) 5.0 ppb (5) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 32.0 ppb (25) 0.12 ppb (1) N/A 3.0 μg/m3 (12) 25.0
 
May 13, 2019, 6 p.m. 13.0 ppb (12) 6.0 ppb (6) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 29.0 ppb (22) 0.12 ppb (1) N/A 5.0 μg/m3 (21) 22.0
 
May 13, 2019, 5 p.m. 9.0 ppb (8) 5.0 ppb (5) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 26.0 ppb (20) 0.13 ppb (1) N/A 4.0 μg/m3 (17) 20.0
 
May 13, 2019, 4 p.m. 14.0 ppb (13) 6.0 ppb (6) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 23.0 ppb (18) 0.12 ppb (1) N/A 4.0 μg/m3 (17) 18.0
 
May 13, 2019, 3 p.m. 12.0 ppb (11) 6.0 ppb (6) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 22.0 ppb (17) 0.12 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
May 13, 2019, 2 p.m. 17.0 ppb (16) 6.0 ppb (6) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 21.0 ppb (16) 0.13 ppb (1) N/A 2.0 μg/m3 (8) 16.0
 
May 13, 2019, 1 p.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 21.0 ppb (16) 0.13 ppb (1) N/A -1.0 μg/m3 (0) 16.0
 
May 13, 2019, noon N/A 0.0 ppb (0) N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
May 13, 2019, 11 a.m. N/A 0.0 ppb (0) N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
May 13, 2019, 10 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 24.0 ppb (18) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 18.0
 
May 13, 2019, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (19) 0.1 ppb (1) N/A 1.0 μg/m3 (4) 19.0
 
May 13, 2019, 8 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 25.0 ppb (19) 0.11 ppb (1) N/A 2.0 μg/m3 (8) 19.0
 
May 13, 2019, 7 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 26.0 ppb (20) 0.11 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
May 13, 2019, 6 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.11 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
May 13, 2019, 5 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) 0.12 ppb (1) N/A 5.0 μg/m3 (21) 22.0
 
May 13, 2019, 4 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) 0.13 ppb (1) N/A 3.0 μg/m3 (12) 22.0
 
May 13, 2019, 3 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 29.0 ppb (22) 0.13 ppb (1) N/A 3.0 μg/m3 (12) 22.0
 
May 13, 2019, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) 0.13 ppb (1) N/A 4.0 μg/m3 (17) 25.0
 
May 13, 2019, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 38.0 ppb (29) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 29.0
 
May 13, 2019, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 42.0 ppb (32) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 32.0
 
May 12, 2019, 11 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 43.0 ppb (33) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 33.0
 
May 12, 2019, 10 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 44.0 ppb (34) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 34.0
 
May 12, 2019, 9 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 41.0 ppb (32) 0.15 ppb (2) N/A 5.0 μg/m3 (21) 32.0
 
May 12, 2019, 8 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 40.0 ppb (31) 0.14 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 12, 2019, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 38.0 ppb (29) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 29.0
 
May 12, 2019, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 34.0 ppb (26) 0.13 ppb (1) N/A 2.0 μg/m3 (8) 26.0
 
May 12, 2019, 5 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 32.0 ppb (25) 0.13 ppb (1) N/A 3.0 μg/m3 (12) 25.0
 
May 12, 2019, 4 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) 0.13 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
May 12, 2019, 3 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (22) 0.12 ppb (1) N/A 6.0 μg/m3 (25) 25.0