AQSQID: 060190011

Site Name: Fresno - Garland

Location: Fresno (Mclane), CA

Reporting: True, Located: True

Current AQI: 15.0

Fresno (Mclane) CA, US: 36.78538, -119.77321

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 8, 2020, 9 a.m. 6.3 ppb (6) 2.5 ppb (2) 7.6 ppb (7) 4.0 ppb (4) 4.3 ppb (4) 0.0 ppb (0) 20.0 ppb (15) 0.15 ppb (2) 7.0 μg/m3 (6) 3.5 μg/m3 (15) 15.0
 
April 8, 2020, 8 a.m. 6.9 ppb (6) 1.1 ppb (1) 5.9 ppb (5) 6.0 ppb (6) 5.8 ppb (5) 0.0 ppb (0) 19.0 ppb (15) 0.16 ppb (2) 7.0 μg/m3 (6) 2.8 μg/m3 (12) 15.0
 
April 8, 2020, 7 a.m. 6.1 ppb (6) 1.9 ppb (2) 6.2 ppb (6) 4.0 ppb (4) 4.3 ppb (4) 0.0 ppb (0) 22.0 ppb (17) 0.16 ppb (2) 7.0 μg/m3 (6) 3.1 μg/m3 (13) 17.0
 
April 8, 2020, 6 a.m. 3.8 ppb (4) 0.9 ppb (1) 3.0 ppb (3) 3.0 ppb (3) 3.0 ppb (3) 0.0 ppb (0) 27.0 ppb (21) 0.17 ppb (2) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 21.0
 
April 8, 2020, 5 a.m. 2.9 ppb (3) 0.9 ppb (1) 2.1 ppb (2) 2.0 ppb (2) 2.1 ppb (2) 0.0 ppb (0) 29.0 ppb (22) 0.16 ppb (2) 5.0 μg/m3 (5) 1.8 μg/m3 (8) 22.0
 
April 8, 2020, 4 a.m. 3.1 ppb (3) 0.9 ppb (1) 2.1 ppb (2) 2.0 ppb (2) 2.1 ppb (2) 0.0 ppb (0) 28.0 ppb (22) 0.16 ppb (2) 5.0 μg/m3 (5) 1.1 μg/m3 (5) 22.0
 
April 8, 2020, 3 a.m. 3.7 ppb (3) 0.9 ppb (1) 2.6 ppb (2) 3.0 ppb (3) 2.6 ppb (2) 0.0 ppb (0) 29.0 ppb (22) 0.16 ppb (2) 8.0 μg/m3 (7) 2.4 μg/m3 (10) 22.0
 
April 8, 2020, 2 a.m. 2.5 ppb (2) 0.9 ppb (1) 1.5 ppb (1) 2.0 ppb (2) 1.5 ppb (1) 0.0 ppb (0) 31.0 ppb (24) 0.16 ppb (2) 4.0 μg/m3 (4) 4.3 μg/m3 (18) 24.0
 
April 8, 2020, 1 a.m. 2.3 ppb (2) 1.0 ppb (1) 1.3 ppb (1) 1.0 ppb (1) 1.2 ppb (1) 0.0 ppb (0) 34.0 ppb (26) 0.16 ppb (2) 2.0 μg/m3 (2) 2.7 μg/m3 (11) 26.0
 
April 8, 2020, midnight 2.3 ppb (2) 1.0 ppb (1) 1.5 ppb (1) 1.0 ppb (1) 1.4 ppb (1) 0.0 ppb (0) 36.0 ppb (28) 0.16 ppb (2) 3.0 μg/m3 (3) 3.1 μg/m3 (13) 28.0
 
April 7, 2020, 11 p.m. 2.3 ppb (2) 1.0 ppb (1) 1.3 ppb (1) 1.0 ppb (1) 1.2 ppb (1) 0.0 ppb (0) 36.0 ppb (28) 0.15 ppb (2) 5.0 μg/m3 (5) 2.3 μg/m3 (10) 28.0
 
April 7, 2020, 10 p.m. 2.2 ppb (2) 1.1 ppb (1) 1.1 ppb (1) 1.0 ppb (1) 1.0 ppb (1) 0.0 ppb (0) 36.0 ppb (28) 0.14 ppb (2) 4.0 μg/m3 (4) 0.1 μg/m3 (0) 28.0
 
April 7, 2020, 9 p.m. 2.4 ppb (2) 1.0 ppb (1) 1.3 ppb (1) 1.0 ppb (1) 1.1 ppb (1) 0.0 ppb (0) 35.0 ppb (27) 0.15 ppb (2) 3.0 μg/m3 (3) -0.6 μg/m3 (0) 27.0
 
April 7, 2020, 8 p.m. 2.7 ppb (3) 1.2 ppb (1) 1.6 ppb (1) 2.0 ppb (2) 1.4 ppb (1) 0.0 ppb (0) 34.0 ppb (26) 0.16 ppb (2) 2.0 μg/m3 (2) 1.1 μg/m3 (5) 26.0
 
April 7, 2020, 7 p.m. 3.2 ppb (3) 1.3 ppb (1) 2.0 ppb (2) 2.0 ppb (2) 1.6 ppb (1) 0.0 ppb (0) 33.0 ppb (25) 0.16 ppb (2) 3.0 μg/m3 (3) 3.8 μg/m3 (16) 25.0
 
April 7, 2020, 6 p.m. 4.4 ppb (4) 1.7 ppb (2) 3.1 ppb (3) 3.0 ppb (3) 2.3 ppb (2) 0.0 ppb (0) 30.0 ppb (23) 0.16 ppb (2) 4.0 μg/m3 (4) 3.6 μg/m3 (15) 23.0
 
April 7, 2020, 5 p.m. 8.6 ppb (8) 3.6 ppb (3) 7.1 ppb (7) 5.0 ppb (5) 4.7 ppb (4) 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) 7.0 μg/m3 (6) 5.8 μg/m3 (24) 24.0
 
April 7, 2020, 4 p.m. 13.0 ppb (12) 5.8 ppb (5) 11.6 ppb (11) 7.0 ppb (6) 7.1 ppb (7) 0.0 ppb (0) 16.0 ppb (12) 0.24 ppb (3) 9.0 μg/m3 (8) 5.1 μg/m3 (21) 21.0
 
April 7, 2020, 3 p.m. 12.6 ppb (12) 5.6 ppb (5) 11.7 ppb (11) 7.0 ppb (6) 6.9 ppb (6) 0.0 ppb (0) 12.0 ppb (9) 0.23 ppb (3) 7.0 μg/m3 (6) 2.8 μg/m3 (12) 12.0
 
April 7, 2020, 2 p.m. 16.7 ppb (15) 5.6 ppb (5) 14.9 ppb (14) 11.0 ppb (10) 10.7 ppb (10) 0.0 ppb (0) 7.0 ppb (5) 0.27 ppb (3) 1.0 μg/m3 (1) 4.4 μg/m3 (18) 18.0
 
April 7, 2020, 1 p.m. 12.6 ppb (12) 2.7 ppb (3) 10.6 ppb (10) 10.0 ppb (9) 9.1 ppb (8) 0.0 ppb (0) 6.0 ppb (5) 0.23 ppb (3) 2.0 μg/m3 (2) 4.1 μg/m3 (17) 17.0
 
April 7, 2020, noon N/A N/A 5.8 ppb (5) N/A 5.5 ppb (5) 0.0 ppb (0) N/A 0.2 ppb (2) 4.0 μg/m3 (4) 3.5 μg/m3 (15) 15.0
 
April 7, 2020, 11 a.m. 5.1 ppb (5) 1.0 ppb (1) 3.9 ppb (4) 4.0 ppb (4) 3.8 ppb (4) 0.0 ppb (0) 13.0 ppb (10) 0.17 ppb (2) 5.0 μg/m3 (5) 4.2 μg/m3 (18) 18.0
 
April 7, 2020, 10 a.m. 5.2 ppb (5) 1.0 ppb (1) 3.9 ppb (4) 4.0 ppb (4) 3.8 ppb (4) 0.0 ppb (0) 14.0 ppb (11) 0.17 ppb (2) 3.0 μg/m3 (3) 4.2 μg/m3 (18) 18.0
 
April 7, 2020, 9 a.m. 5.2 ppb (5) 1.0 ppb (1) 3.9 ppb (4) 4.0 ppb (4) 3.9 ppb (4) 0.0 ppb (0) 14.0 ppb (11) 0.17 ppb (2) 3.0 μg/m3 (3) 4.5 μg/m3 (19) 19.0
 
April 7, 2020, 8 a.m. 5.9 ppb (5) 1.0 ppb (1) 4.6 ppb (4) 5.0 ppb (5) 4.5 ppb (4) 0.0 ppb (0) 14.0 ppb (11) 0.17 ppb (2) 3.0 μg/m3 (3) 6.6 μg/m3 (28) 28.0
 
April 7, 2020, 7 a.m. 9.9 ppb (9) 1.2 ppb (1) 8.3 ppb (8) 9.0 ppb (8) 8.1 ppb (8) 0.0 ppb (0) 12.0 ppb (9) 0.22 ppb (2) 3.0 μg/m3 (3) 6.2 μg/m3 (26) 26.0
 
April 7, 2020, 6 a.m. 9.3 ppb (9) 2.7 ppb (3) 6.2 ppb (6) 7.0 ppb (6) 5.5 ppb (5) 0.0 ppb (0) 17.0 ppb (13) 0.2 ppb (2) 2.0 μg/m3 (2) 3.7 μg/m3 (15) 15.0
 
April 7, 2020, 5 a.m. 4.6 ppb (4) 0.9 ppb (1) 3.4 ppb (3) 4.0 ppb (4) 3.4 ppb (3) 0.0 ppb (0) 22.0 ppb (17) 0.19 ppb (2) 2.0 μg/m3 (2) 3.1 μg/m3 (13) 17.0
 
April 7, 2020, 4 a.m. 3.7 ppb (3) 0.9 ppb (1) 2.4 ppb (2) 3.0 ppb (3) 2.3 ppb (2) 0.0 ppb (0) 26.0 ppb (20) 0.17 ppb (2) 2.0 μg/m3 (2) 2.5 μg/m3 (10) 20.0
 
April 7, 2020, 3 a.m. 3.2 ppb (3) 0.9 ppb (1) 1.9 ppb (2) 2.0 ppb (2) 1.9 ppb (2) 0.0 ppb (0) 29.0 ppb (22) 0.16 ppb (2) 2.0 μg/m3 (2) 1.1 μg/m3 (5) 22.0
 
April 7, 2020, 2 a.m. 3.2 ppb (3) 1.0 ppb (1) 1.9 ppb (2) 2.0 ppb (2) 1.8 ppb (2) 0.0 ppb (0) 29.0 ppb (22) 0.16 ppb (2) 1.0 μg/m3 (1) 3.2 μg/m3 (13) 22.0
 
April 7, 2020, 1 a.m. 6.8 ppb (6) 3.3 ppb (3) 7.2 ppb (7) 3.0 ppb (3) 4.1 ppb (4) 0.0 ppb (0) 31.0 ppb (24) 0.19 ppb (2) 0.0 μg/m3 (0) 3.8 μg/m3 (16) 24.0
 
April 7, 2020, midnight 4.4 ppb (4) 1.6 ppb (1) 3.1 ppb (3) 3.0 ppb (3) 2.4 ppb (2) 0.0 ppb (0) 32.0 ppb (25) 0.17 ppb (2) 2.0 μg/m3 (2) 1.3 μg/m3 (5) 25.0
 
April 6, 2020, 11 p.m. 5.3 ppb (5) 2.4 ppb (2) 5.8 ppb (5) 3.0 ppb (3) 3.2 ppb (3) 0.0 ppb (0) 31.0 ppb (24) 0.16 ppb (2) 3.0 μg/m3 (3) 2.6 μg/m3 (11) 24.0
 
April 6, 2020, 10 p.m. 3.2 ppb (3) 1.4 ppb (1) 2.0 ppb (2) 2.0 ppb (2) 1.3 ppb (1) 0.0 ppb (0) 34.0 ppb (26) 0.15 ppb (2) 2.0 μg/m3 (2) 3.9 μg/m3 (16) 26.0
 
April 6, 2020, 9 p.m. 4.6 ppb (4) 2.1 ppb (2) 4.1 ppb (4) 3.0 ppb (3) 2.0 ppb (2) 0.0 ppb (0) 33.0 ppb (25) 0.15 ppb (2) 5.0 μg/m3 (5) 2.3 μg/m3 (10) 25.0
 
April 6, 2020, 8 p.m. 4.8 ppb (4) 2.0 ppb (2) 3.9 ppb (4) 3.0 ppb (3) 2.1 ppb (2) 0.0 ppb (0) 33.0 ppb (25) 0.15 ppb (2) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 25.0
 
April 6, 2020, 7 p.m. 3.9 ppb (4) 1.8 ppb (2) 2.3 ppb (2) 2.0 ppb (2) 1.5 ppb (1) 0.0 ppb (0) 36.0 ppb (28) 0.15 ppb (2) 5.0 μg/m3 (5) 5.1 μg/m3 (21) 28.0
 
April 6, 2020, 6 p.m. 4.5 ppb (4) 2.3 ppb (2) 4.4 ppb (4) 2.0 ppb (2) 1.9 ppb (2) 0.0 ppb (0) 35.0 ppb (27) 0.14 ppb (2) 2.0 μg/m3 (2) 4.1 μg/m3 (17) 27.0
 
April 6, 2020, 5 p.m. 3.3 ppb (3) 1.4 ppb (1) 1.7 ppb (2) 2.0 ppb (2) 1.2 ppb (1) 0.0 ppb (0) 36.0 ppb (28) 0.15 ppb (2) 3.0 μg/m3 (3) 2.0 μg/m3 (8) 28.0
 
April 6, 2020, 4 p.m. 7.2 ppb (7) 3.3 ppb (3) 6.9 ppb (6) 4.0 ppb (4) 3.4 ppb (3) 0.0 ppb (0) 31.0 ppb (24) 0.16 ppb (2) 4.0 μg/m3 (4) 0.4 μg/m3 (2) 24.0
 
April 6, 2020, 3 p.m. 8.4 ppb (8) 2.0 ppb (2) 7.1 ppb (7) 6.0 ppb (6) 5.7 ppb (5) 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) 2.0 μg/m3 (2) N/A 17.0
 
April 6, 2020, 2 p.m. 13.3 ppb (12) 4.6 ppb (4) 14.4 ppb (13) 9.0 ppb (8) 7.7 ppb (7) 0.0 ppb (0) 15.0 ppb (12) 0.23 ppb (3) 4.0 μg/m3 (4) -1.8 μg/m3 (0) 13.0
 
April 6, 2020, 1 p.m. 9.1 ppb (8) 2.0 ppb (2) 9.8 ppb (9) 7.0 ppb (6) 7.4 ppb (7) 0.0 ppb (0) 19.0 ppb (15) 0.28 ppb (3) 3.0 μg/m3 (3) -1.6 μg/m3 (0) 15.0
 
April 6, 2020, noon 63.1 ppb (60) 41.9 ppb (39) 7.4 ppb (7) 21.0 ppb (19) 6.5 ppb (6) 0.0 ppb (0) 18.0 ppb (14) 0.2 ppb (2) 1.0 μg/m3 (1) -0.4 μg/m3 (0) 60.0
 
April 6, 2020, 11 a.m. 4.5 ppb (4) 1.0 ppb (1) 3.6 ppb (3) 3.0 ppb (3) 3.5 ppb (3) 0.0 ppb (0) 20.0 ppb (15) 0.18 ppb (2) 1.0 μg/m3 (1) 4.2 μg/m3 (18) 18.0
 
April 6, 2020, 10 a.m. 4.4 ppb (4) 1.1 ppb (1) 2.7 ppb (3) 3.0 ppb (3) 2.6 ppb (2) 0.0 ppb (0) 28.0 ppb (22) 0.17 ppb (2) 1.0 μg/m3 (1) 2.7 μg/m3 (11) 22.0
 
April 6, 2020, 9 a.m. N/A N/A 1.5 ppb (1) N/A 1.0 ppb (1) 0.0 ppb (0) N/A 0.15 ppb (2) 1.0 μg/m3 (1) 2.0 μg/m3 (8) 8.0
 
April 6, 2020, 8 a.m. N/A N/A 0.3 ppb (0) N/A 0.3 ppb (0) 0.0 ppb (0) N/A 0.15 ppb (2) 3.0 μg/m3 (3) 2.2 μg/m3 (9) 9.0
 
April 6, 2020, 7 a.m. N/A N/A 0.3 ppb (0) N/A 0.3 ppb (0) 0.0 ppb (0) N/A 0.14 ppb (2) 5.0 μg/m3 (5) 1.6 μg/m3 (7) 7.0
 
April 6, 2020, 6 a.m. N/A N/A 0.6 ppb (1) N/A 0.5 ppb (0) 0.0 ppb (0) N/A 0.14 ppb (2) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
April 6, 2020, 5 a.m. N/A N/A 3.4 ppb (3) N/A 1.4 ppb (1) 0.0 ppb (0) N/A 0.14 ppb (2) 6.0 μg/m3 (5) 2.5 μg/m3 (10) 10.0
 
April 6, 2020, 4 a.m. N/A N/A 3.0 ppb (3) N/A 1.8 ppb (2) 0.0 ppb (0) N/A N/A 2.0 μg/m3 (2) 1.7 μg/m3 (7) 7.0
 
April 6, 2020, 3 a.m. N/A N/A 4.2 ppb (4) N/A 2.3 ppb (2) 0.0 ppb (0) N/A 0.16 ppb (2) 4.0 μg/m3 (4) 1.0 μg/m3 (4) 4.0
 
April 6, 2020, 2 a.m. N/A N/A 4.7 ppb (4) N/A 2.5 ppb (2) 0.0 ppb (0) N/A 0.16 ppb (2) 6.0 μg/m3 (5) 3.2 μg/m3 (13) 13.0
 
April 6, 2020, 1 a.m. N/A N/A 2.9 ppb (3) N/A 2.5 ppb (2) 0.0 ppb (0) N/A 0.17 ppb (2) 4.0 μg/m3 (4) 1.0 μg/m3 (4) 4.0
 
April 6, 2020, midnight N/A N/A 8.0 ppb (7) N/A 4.1 ppb (4) 0.0 ppb (0) N/A 0.17 ppb (2) 3.0 μg/m3 (3) -1.3 μg/m3 (0) 7.0
 
April 5, 2020, 11 p.m. N/A N/A 2.8 ppb (3) N/A 2.4 ppb (2) 0.0 ppb (0) N/A 0.16 ppb (2) 6.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
April 5, 2020, 10 p.m. N/A N/A 4.7 ppb (4) N/A 2.8 ppb (3) 0.0 ppb (0) N/A 0.16 ppb (2) 7.0 μg/m3 (6) 1.1 μg/m3 (5) 6.0
 
April 5, 2020, 9 p.m. N/A N/A 2.7 ppb (3) N/A 2.1 ppb (2) 0.0 ppb (0) N/A 0.15 ppb (2) 7.0 μg/m3 (6) 1.3 μg/m3 (5) 6.0
 
April 5, 2020, 8 p.m. N/A N/A 5.5 ppb (5) N/A 3.3 ppb (3) 0.0 ppb (0) N/A 0.15 ppb (2) 5.0 μg/m3 (5) 4.1 μg/m3 (17) 17.0
 
April 5, 2020, 7 p.m. N/A N/A 6.7 ppb (6) N/A 4.0 ppb (4) 0.0 ppb (0) N/A 0.18 ppb (2) 7.0 μg/m3 (6) 3.4 μg/m3 (14) 14.0
 
April 5, 2020, 6 p.m. N/A N/A 4.3 ppb (4) N/A 2.9 ppb (3) 0.0 ppb (0) N/A 0.16 ppb (2) 8.0 μg/m3 (7) 2.2 μg/m3 (9) 9.0
 
April 5, 2020, 5 p.m. N/A N/A 6.1 ppb (6) N/A 3.1 ppb (3) 0.0 ppb (0) N/A 0.15 ppb (2) 17.0 μg/m3 (15) 2.9 μg/m3 (12) 15.0
 
April 5, 2020, 4 p.m. N/A N/A 1.7 ppb (2) N/A 1.3 ppb (1) 0.0 ppb (0) N/A 0.14 ppb (2) 9.0 μg/m3 (8) 0.7 μg/m3 (3) 8.0
 
April 5, 2020, 3 p.m. N/A N/A 5.6 ppb (5) N/A 2.7 ppb (3) 0.0 ppb (0) N/A 0.14 ppb (2) 10.0 μg/m3 (9) 2.0 μg/m3 (8) 9.0
 
April 5, 2020, 2 p.m. N/A N/A 4.1 ppb (4) N/A 3.2 ppb (3) 0.0 ppb (0) N/A 0.15 ppb (2) 9.0 μg/m3 (8) 4.6 μg/m3 (19) 19.0
 
April 5, 2020, 1 p.m. N/A N/A 7.8 ppb (7) N/A 5.0 ppb (5) 0.0 ppb (0) N/A 0.16 ppb (2) 10.0 μg/m3 (9) 4.4 μg/m3 (18) 18.0
 
April 5, 2020, noon N/A N/A 4.5 ppb (4) N/A 3.6 ppb (3) 0.0 ppb (0) N/A 0.15 ppb (2) 8.0 μg/m3 (7) 2.2 μg/m3 (9) 9.0
 
April 5, 2020, 11 a.m. N/A N/A 8.2 ppb (8) N/A 5.3 ppb (5) 0.0 ppb (0) N/A 0.15 ppb (2) 7.0 μg/m3 (6) 3.4 μg/m3 (14) 14.0
 
April 5, 2020, 10 a.m. N/A N/A 10.4 ppb (10) N/A 6.4 ppb (6) 0.0 ppb (0) N/A 0.19 ppb (2) 10.0 μg/m3 (9) 3.9 μg/m3 (16) 16.0
 
April 5, 2020, 9 a.m. N/A N/A 6.1 ppb (6) N/A 6.0 ppb (6) 0.0 ppb (0) N/A 0.21 ppb (2) 5.0 μg/m3 (5) 3.5 μg/m3 (15) 15.0
 
April 5, 2020, 8 a.m. N/A N/A 5.4 ppb (5) N/A 3.8 ppb (4) 0.0 ppb (0) N/A 0.18 ppb (2) 7.0 μg/m3 (6) 6.1 μg/m3 (25) 25.0
 
April 5, 2020, 7 a.m. N/A N/A 2.8 ppb (3) N/A 2.8 ppb (3) 0.0 ppb (0) N/A 0.17 ppb (2) 8.0 μg/m3 (7) 5.1 μg/m3 (21) 21.0
 
April 5, 2020, 6 a.m. N/A N/A 2.9 ppb (3) N/A 2.9 ppb (3) 0.0 ppb (0) N/A 0.18 ppb (2) 4.0 μg/m3 (4) 2.3 μg/m3 (10) 10.0
 
April 5, 2020, 5 a.m. N/A N/A 2.6 ppb (2) N/A 2.5 ppb (2) 0.0 ppb (0) N/A 0.17 ppb (2) 5.0 μg/m3 (5) 2.3 μg/m3 (10) 10.0
 
April 5, 2020, 4 a.m. N/A N/A 2.5 ppb (2) N/A 2.4 ppb (2) 0.0 ppb (0) N/A 0.17 ppb (2) 7.0 μg/m3 (6) 2.6 μg/m3 (11) 11.0
 
April 5, 2020, 3 a.m. N/A N/A 2.4 ppb (2) N/A 2.4 ppb (2) 0.0 ppb (0) N/A 0.17 ppb (2) 9.0 μg/m3 (8) 3.3 μg/m3 (14) 14.0
 
April 5, 2020, 2 a.m. N/A N/A 2.4 ppb (2) N/A 2.3 ppb (2) 0.0 ppb (0) N/A 0.17 ppb (2) 17.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
April 5, 2020, 1 a.m. N/A N/A 2.1 ppb (2) N/A 2.0 ppb (2) 0.0 ppb (0) N/A 0.15 ppb (2) 7.0 μg/m3 (6) 3.5 μg/m3 (15) 15.0
 
April 5, 2020, midnight N/A N/A 1.5 ppb (1) N/A 1.3 ppb (1) 0.0 ppb (0) N/A 0.14 ppb (2) 6.0 μg/m3 (5) 4.3 μg/m3 (18) 18.0
 
April 4, 2020, 11 p.m. N/A N/A 2.2 ppb (2) N/A 2.0 ppb (2) 0.0 ppb (0) N/A 0.17 ppb (2) 9.0 μg/m3 (8) 7.1 μg/m3 (30) 30.0
 
April 4, 2020, 10 p.m. N/A N/A 2.5 ppb (2) N/A 2.3 ppb (2) 0.0 ppb (0) N/A 0.16 ppb (2) 16.0 μg/m3 (15) 6.1 μg/m3 (25) 25.0
 
April 4, 2020, 9 p.m. N/A N/A 2.7 ppb (3) N/A 2.5 ppb (2) 0.0 ppb (0) N/A 0.16 ppb (2) 14.0 μg/m3 (13) 5.9 μg/m3 (25) 25.0
 
April 4, 2020, 8 p.m. N/A N/A 3.4 ppb (3) N/A 2.8 ppb (3) 0.0 ppb (0) N/A 0.16 ppb (2) 17.0 μg/m3 (15) 3.6 μg/m3 (15) 15.0
 
April 4, 2020, 7 p.m. N/A N/A 3.6 ppb (3) N/A 3.2 ppb (3) 0.0 ppb (0) N/A 0.18 ppb (2) 14.0 μg/m3 (13) 3.1 μg/m3 (13) 13.0
 
April 4, 2020, 6 p.m. N/A N/A 4.1 ppb (4) N/A 2.9 ppb (3) 0.0 ppb (0) N/A 0.18 ppb (2) 13.0 μg/m3 (12) 4.6 μg/m3 (19) 19.0
 
April 4, 2020, 5 p.m. N/A N/A 3.4 ppb (3) N/A 2.8 ppb (3) 0.0 ppb (0) N/A 0.18 ppb (2) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
April 4, 2020, 4 p.m. N/A N/A 3.8 ppb (4) N/A 3.0 ppb (3) 0.0 ppb (0) N/A 0.18 ppb (2) 17.0 μg/m3 (15) 7.6 μg/m3 (32) 32.0
 
April 4, 2020, 3 p.m. N/A N/A 5.3 ppb (5) N/A 4.2 ppb (4) 0.0 ppb (0) N/A 0.19 ppb (2) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
April 4, 2020, 2 p.m. N/A N/A 8.6 ppb (8) N/A 7.4 ppb (7) 0.0 ppb (0) N/A 0.22 ppb (2) 12.0 μg/m3 (11) 1.5 μg/m3 (6) 11.0
 
April 4, 2020, 1 p.m. N/A N/A 8.8 ppb (8) N/A 8.4 ppb (8) 0.0 ppb (0) N/A 0.22 ppb (2) 15.0 μg/m3 (14) 4.8 μg/m3 (20) 20.0
 
April 4, 2020, noon N/A N/A 5.3 ppb (5) N/A 5.2 ppb (5) 0.0 ppb (0) N/A 0.18 ppb (2) 9.0 μg/m3 (8) 7.8 μg/m3 (32) 32.0
 
April 4, 2020, 11 a.m. N/A N/A 4.5 ppb (4) N/A 4.4 ppb (4) 0.0 ppb (0) N/A 0.17 ppb (2) 14.0 μg/m3 (13) 2.1 μg/m3 (9) 13.0
 
April 4, 2020, 10 a.m. N/A N/A 4.5 ppb (4) N/A 4.4 ppb (4) 0.0 ppb (0) N/A 0.17 ppb (2) 14.0 μg/m3 (13) 1.6 μg/m3 (7) 13.0
 
April 4, 2020, 9 a.m. N/A N/A 4.7 ppb (4) N/A 4.6 ppb (4) 0.0 ppb (0) N/A 0.17 ppb (2) 13.0 μg/m3 (12) 3.6 μg/m3 (15) 15.0
 
April 4, 2020, 8 a.m. N/A N/A 5.0 ppb (5) N/A 5.0 ppb (5) 0.0 ppb (0) N/A 0.18 ppb (2) 17.0 μg/m3 (15) 3.2 μg/m3 (13) 15.0
 
April 4, 2020, 7 a.m. N/A N/A 8.0 ppb (7) N/A 8.0 ppb (7) 0.0 ppb (0) N/A 0.21 ppb (2) 22.0 μg/m3 (20) 4.3 μg/m3 (18) 20.0
 
April 4, 2020, 6 a.m. N/A N/A 8.4 ppb (8) N/A 8.3 ppb (8) 0.0 ppb (0) N/A 0.24 ppb (3) 19.0 μg/m3 (17) 5.2 μg/m3 (22) 22.0
 
April 4, 2020, 5 a.m. N/A N/A 8.1 ppb (8) N/A 8.0 ppb (7) 0.0 ppb (0) N/A 0.23 ppb (3) 13.0 μg/m3 (12) 4.3 μg/m3 (18) 18.0
 
April 4, 2020, 4 a.m. N/A N/A 6.5 ppb (6) N/A 6.4 ppb (6) 0.0 ppb (0) N/A 0.21 ppb (2) 17.0 μg/m3 (15) 4.2 μg/m3 (18) 18.0
 
April 4, 2020, 3 a.m. N/A N/A 6.9 ppb (6) N/A 6.8 ppb (6) 0.0 ppb (0) N/A 0.25 ppb (3) 15.0 μg/m3 (14) 6.7 μg/m3 (28) 28.0
 
April 4, 2020, 2 a.m. N/A N/A 5.6 ppb (5) N/A 5.6 ppb (5) 0.0 ppb (0) N/A 0.2 ppb (2) 16.0 μg/m3 (15) 5.2 μg/m3 (22) 22.0
 
April 4, 2020, 1 a.m. N/A N/A 4.3 ppb (4) N/A 4.0 ppb (4) 0.0 ppb (0) N/A 0.18 ppb (2) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
April 4, 2020, midnight N/A N/A 3.5 ppb (3) N/A 3.2 ppb (3) 0.0 ppb (0) N/A 0.17 ppb (2) 13.0 μg/m3 (12) 6.6 μg/m3 (28) 28.0
 
April 3, 2020, 11 p.m. N/A N/A 2.5 ppb (2) N/A 2.3 ppb (2) 0.0 ppb (0) N/A 0.17 ppb (2) 14.0 μg/m3 (13) 6.5 μg/m3 (27) 27.0
 
April 3, 2020, 10 p.m. N/A N/A 2.0 ppb (2) N/A 1.8 ppb (2) 0.0 ppb (0) N/A 0.16 ppb (2) 12.0 μg/m3 (11) 5.8 μg/m3 (24) 24.0
 
April 3, 2020, 9 p.m. 2.6 ppb (2) 1.1 ppb (1) 2.1 ppb (2) 1.0 ppb (1) 1.8 ppb (2) 0.0 ppb (0) 38.0 ppb (29) 0.16 ppb (2) 11.0 μg/m3 (10) 6.8 μg/m3 (28) 29.0
 
April 3, 2020, 8 p.m. 2.6 ppb (2) 1.2 ppb (1) 1.9 ppb (2) 1.0 ppb (1) 1.7 ppb (2) 0.0 ppb (0) 36.0 ppb (28) 0.16 ppb (2) 11.0 μg/m3 (10) 7.0 μg/m3 (29) 29.0
 
April 3, 2020, 7 p.m. 2.7 ppb (3) 1.2 ppb (1) 1.9 ppb (2) 1.0 ppb (1) 1.6 ppb (1) 0.0 ppb (0) 33.0 ppb (25) 0.17 ppb (2) 13.0 μg/m3 (12) 5.2 μg/m3 (22) 25.0
 
April 3, 2020, 6 p.m. 3.4 ppb (3) 1.4 ppb (1) 2.5 ppb (2) 2.0 ppb (2) 2.1 ppb (2) 0.0 ppb (0) 31.0 ppb (24) 0.18 ppb (2) 12.0 μg/m3 (11) 3.7 μg/m3 (15) 24.0
 
April 3, 2020, 5 p.m. 6.0 ppb (6) 2.2 ppb (2) 5.0 ppb (5) 4.0 ppb (4) 3.8 ppb (4) 0.0 ppb (0) 28.0 ppb (22) 0.22 ppb (2) 17.0 μg/m3 (15) 3.5 μg/m3 (15) 22.0
 
April 3, 2020, 4 p.m. 11.1 ppb (10) 3.9 ppb (4) 9.7 ppb (9) 7.0 ppb (6) 6.8 ppb (6) 0.0 ppb (0) 23.0 ppb (18) 0.27 ppb (3) 14.0 μg/m3 (13) 5.7 μg/m3 (24) 24.0
 
April 3, 2020, 3 p.m. 16.4 ppb (15) 6.2 ppb (6) 14.5 ppb (13) 10.0 ppb (9) 9.6 ppb (9) 0.0 ppb (0) 17.0 ppb (13) 0.3 ppb (3) 16.0 μg/m3 (15) 8.4 μg/m3 (35) 35.0
 
April 3, 2020, 2 p.m. 36.6 ppb (34) 17.2 ppb (16) 32.8 ppb (30) 19.0 ppb (18) 18.6 ppb (17) 0.0 ppb (0) 5.0 ppb (4) 0.45 ppb (5) 25.0 μg/m3 (23) 6.8 μg/m3 (28) 34.0
 
April 3, 2020, 1 p.m. 26.8 ppb (25) 8.1 ppb (8) 23.7 ppb (22) 19.0 ppb (18) 17.8 ppb (16) 0.0 ppb (0) 2.0 ppb (2) 0.32 ppb (4) 15.0 μg/m3 (14) 4.5 μg/m3 (19) 25.0
 
April 3, 2020, noon N/A N/A 12.1 ppb (11) N/A 11.3 ppb (10) 0.0 ppb (0) N/A 0.23 ppb (3) 11.0 μg/m3 (10) 3.2 μg/m3 (13) 13.0
 
April 3, 2020, 11 a.m. 9.0 ppb (8) 1.2 ppb (1) 7.7 ppb (7) 8.0 ppb (7) 7.6 ppb (7) 0.0 ppb (0) 14.0 ppb (11) 0.19 ppb (2) 10.0 μg/m3 (9) 3.4 μg/m3 (14) 14.0
 
April 3, 2020, 10 a.m. 8.1 ppb (8) 1.2 ppb (1) 7.0 ppb (6) 7.0 ppb (6) 6.9 ppb (6) 0.0 ppb (0) 17.0 ppb (13) 0.18 ppb (2) 9.0 μg/m3 (8) 6.3 μg/m3 (26) 26.0
 
April 3, 2020, 9 a.m. 6.2 ppb (6) 1.1 ppb (1) 5.3 ppb (5) 5.0 ppb (5) 5.2 ppb (5) 0.0 ppb (0) 22.0 ppb (17) 0.17 ppb (2) 10.0 μg/m3 (9) 4.2 μg/m3 (18) 18.0
 
April 3, 2020, 8 a.m. 5.0 ppb (5) 0.9 ppb (1) 4.2 ppb (4) 4.0 ppb (4) 4.1 ppb (4) 0.0 ppb (0) 26.0 ppb (20) 0.17 ppb (2) 12.0 μg/m3 (11) 2.0 μg/m3 (8) 20.0
 
April 3, 2020, 7 a.m. 7.7 ppb (7) 1.0 ppb (1) 6.7 ppb (6) 7.0 ppb (6) 6.7 ppb (6) 0.0 ppb (0) 24.0 ppb (18) 0.18 ppb (2) 15.0 μg/m3 (14) 5.7 μg/m3 (24) 24.0
 
April 3, 2020, 6 a.m. 12.2 ppb (11) 1.0 ppb (1) 11.1 ppb (10) 11.0 ppb (10) 11.0 ppb (10) 0.0 ppb (0) 21.0 ppb (16) 0.24 ppb (3) 13.0 μg/m3 (12) 5.6 μg/m3 (23) 23.0
 
April 3, 2020, 5 a.m. 6.5 ppb (6) 0.9 ppb (1) 5.6 ppb (5) 6.0 ppb (6) 5.5 ppb (5) 0.0 ppb (0) 29.0 ppb (22) 0.2 ppb (2) 10.0 μg/m3 (9) 3.6 μg/m3 (15) 22.0
 
April 3, 2020, 4 a.m. 5.3 ppb (5) 0.9 ppb (1) 4.5 ppb (4) 4.0 ppb (4) 4.4 ppb (4) 0.0 ppb (0) 33.0 ppb (25) 0.19 ppb (2) 15.0 μg/m3 (14) 3.3 μg/m3 (14) 25.0
 
April 3, 2020, 3 a.m. 5.0 ppb (5) 0.9 ppb (1) 4.2 ppb (4) 4.0 ppb (4) 4.1 ppb (4) 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) 15.0 μg/m3 (14) 3.3 μg/m3 (14) 27.0
 
April 3, 2020, 2 a.m. 3.9 ppb (4) 0.9 ppb (1) 3.3 ppb (3) 3.0 ppb (3) 3.2 ppb (3) 0.0 ppb (0) 38.0 ppb (29) 0.19 ppb (2) 10.0 μg/m3 (9) 4.9 μg/m3 (20) 29.0
 
April 3, 2020, 1 a.m. 2.8 ppb (3) 1.0 ppb (1) 2.4 ppb (2) 2.0 ppb (2) 2.3 ppb (2) 0.0 ppb (0) 41.0 ppb (32) 0.19 ppb (2) 16.0 μg/m3 (15) 3.6 μg/m3 (15) 32.0
 
April 3, 2020, midnight 2.4 ppb (2) 1.0 ppb (1) 1.9 ppb (2) 1.0 ppb (1) 1.8 ppb (2) 0.0 ppb (0) 42.0 ppb (32) 0.17 ppb (2) 13.0 μg/m3 (12) 1.2 μg/m3 (5) 32.0
 
April 2, 2020, 11 p.m. 2.2 ppb (2) 1.0 ppb (1) 1.7 ppb (2) 1.0 ppb (1) 1.5 ppb (1) 0.0 ppb (0) 41.0 ppb (32) 0.15 ppb (2) 14.0 μg/m3 (13) 1.5 μg/m3 (6) 32.0
 
April 2, 2020, 10 p.m. 2.5 ppb (2) 1.1 ppb (1) 2.1 ppb (2) 1.0 ppb (1) 1.8 ppb (2) 0.0 ppb (0) 39.0 ppb (30) 0.16 ppb (2) 14.0 μg/m3 (13) 3.5 μg/m3 (15) 30.0
 
April 2, 2020, 9 p.m. 2.7 ppb (3) 1.1 ppb (1) 2.3 ppb (2) 2.0 ppb (2) 2.1 ppb (2) 0.0 ppb (0) 38.0 ppb (29) 0.17 ppb (2) 10.0 μg/m3 (9) 6.0 μg/m3 (25) 29.0
 
April 2, 2020, 8 p.m. 3.4 ppb (3) 1.3 ppb (1) 3.1 ppb (3) 2.0 ppb (2) 2.6 ppb (2) 0.0 ppb (0) 35.0 ppb (27) 0.17 ppb (2) 13.0 μg/m3 (12) 5.4 μg/m3 (23) 27.0
 
April 2, 2020, 7 p.m. 4.8 ppb (4) 1.9 ppb (2) 4.2 ppb (4) 3.0 ppb (3) 3.2 ppb (3) 0.0 ppb (0) 29.0 ppb (22) 0.18 ppb (2) 16.0 μg/m3 (15) 5.9 μg/m3 (25) 25.0
 
April 2, 2020, 6 p.m. 6.0 ppb (6) 2.4 ppb (2) 5.0 ppb (5) 4.0 ppb (4) 3.5 ppb (3) 0.0 ppb (0) 25.0 ppb (19) 0.18 ppb (2) 12.0 μg/m3 (11) 5.1 μg/m3 (21) 21.0
 
April 2, 2020, 5 p.m. 5.3 ppb (5) 2.2 ppb (2) 4.1 ppb (4) 3.0 ppb (3) 2.9 ppb (3) 0.0 ppb (0) 22.0 ppb (17) 0.18 ppb (2) 12.0 μg/m3 (11) 3.1 μg/m3 (13) 17.0
 
April 2, 2020, 4 p.m. 5.9 ppb (5) 2.5 ppb (2) 4.7 ppb (4) 3.0 ppb (3) 3.2 ppb (3) 0.0 ppb (0) 19.0 ppb (15) 0.18 ppb (2) 9.0 μg/m3 (8) 7.7 μg/m3 (32) 32.0
 
April 2, 2020, 3 p.m. 6.8 ppb (6) 2.6 ppb (2) 5.8 ppb (5) 4.0 ppb (4) 4.2 ppb (4) 0.0 ppb (0) 17.0 ppb (13) 0.19 ppb (2) 18.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
April 2, 2020, 2 p.m. 9.0 ppb (8) 2.3 ppb (2) 8.1 ppb (8) 7.0 ppb (6) 6.8 ppb (6) 0.0 ppb (0) 14.0 ppb (11) 0.2 ppb (2) 14.0 μg/m3 (13) 7.8 μg/m3 (32) 32.0
 
April 2, 2020, 1 p.m. 7.2 ppb (7) 1.3 ppb (1) 6.2 ppb (6) 6.0 ppb (6) 6.0 ppb (6) 0.0 ppb (0) 16.0 ppb (12) 0.2 ppb (2) 13.0 μg/m3 (12) 5.9 μg/m3 (25) 25.0
 
April 2, 2020, noon N/A N/A 6.6 ppb (6) N/A 6.4 ppb (6) 0.0 ppb (0) N/A 0.18 ppb (2) 14.0 μg/m3 (13) 3.4 μg/m3 (14) 14.0
 
April 2, 2020, 11 a.m. 7.0 ppb (6) 1.0 ppb (1) 6.4 ppb (6) 6.0 ppb (6) 6.4 ppb (6) 0.0 ppb (0) 17.0 ppb (13) 0.17 ppb (2) 10.0 μg/m3 (9) 4.2 μg/m3 (18) 18.0
 
April 2, 2020, 10 a.m. 5.9 ppb (5) 1.0 ppb (1) 5.2 ppb (5) 5.0 ppb (5) 5.1 ppb (5) 0.0 ppb (0) 19.0 ppb (15) 0.18 ppb (2) 12.0 μg/m3 (11) 4.2 μg/m3 (18) 18.0
 
April 2, 2020, 9 a.m. 5.1 ppb (5) 1.0 ppb (1) 4.4 ppb (4) 4.0 ppb (4) 4.4 ppb (4) 0.0 ppb (0) 21.0 ppb (16) 0.18 ppb (2) 16.0 μg/m3 (15) 3.5 μg/m3 (15) 16.0
 
April 2, 2020, 8 a.m. 5.0 ppb (5) 1.0 ppb (1) 4.3 ppb (4) 4.0 ppb (4) 4.2 ppb (4) 0.0 ppb (0) 24.0 ppb (18) 0.18 ppb (2) 14.0 μg/m3 (13) 3.3 μg/m3 (14) 18.0
 
April 2, 2020, 7 a.m. 4.4 ppb (4) 0.9 ppb (1) 3.5 ppb (3) 3.0 ppb (3) 3.5 ppb (3) 0.0 ppb (0) 29.0 ppb (22) 0.17 ppb (2) 13.0 μg/m3 (12) 2.0 μg/m3 (8) 22.0
 
April 2, 2020, 6 a.m. 3.1 ppb (3) 0.9 ppb (1) 2.1 ppb (2) 2.0 ppb (2) 2.1 ppb (2) 0.0 ppb (0) 32.0 ppb (25) 0.16 ppb (2) 6.0 μg/m3 (5) 1.5 μg/m3 (6) 25.0
 
April 2, 2020, 5 a.m. 2.8 ppb (3) 0.9 ppb (1) 2.0 ppb (2) 2.0 ppb (2) 1.9 ppb (2) 0.0 ppb (0) 34.0 ppb (26) 0.16 ppb (2) 10.0 μg/m3 (9) 2.5 μg/m3 (10) 26.0
 
April 2, 2020, 4 a.m. 2.7 ppb (3) 0.9 ppb (1) 1.9 ppb (2) 2.0 ppb (2) 1.9 ppb (2) 0.0 ppb (0) 36.0 ppb (28) 0.16 ppb (2) 12.0 μg/m3 (11) 3.3 μg/m3 (14) 28.0
 
April 2, 2020, 3 a.m. 3.2 ppb (3) 0.9 ppb (1) 2.5 ppb (2) 2.0 ppb (2) 2.5 ppb (2) 0.0 ppb (0) 35.0 ppb (27) 0.17 ppb (2) 15.0 μg/m3 (14) 3.6 μg/m3 (15) 27.0
 
April 2, 2020, 2 a.m. 3.2 ppb (3) 0.9 ppb (1) 2.7 ppb (3) 2.0 ppb (2) 2.6 ppb (2) 0.0 ppb (0) 37.0 ppb (28) 0.18 ppb (2) 13.0 μg/m3 (12) 8.2 μg/m3 (34) 34.0
 
April 2, 2020, 1 a.m. 2.7 ppb (3) 1.0 ppb (1) 2.2 ppb (2) 2.0 ppb (2) 2.1 ppb (2) 0.0 ppb (0) 41.0 ppb (32) 0.17 ppb (2) 14.0 μg/m3 (13) 7.4 μg/m3 (31) 32.0
 
April 2, 2020, midnight 2.4 ppb (2) 1.0 ppb (1) 1.7 ppb (2) 1.0 ppb (1) 1.5 ppb (1) 0.0 ppb (0) 43.0 ppb (33) 0.15 ppb (2) 13.0 μg/m3 (12) 3.9 μg/m3 (16) 33.0
 
April 1, 2020, 11 p.m. 2.4 ppb (2) 1.0 ppb (1) 1.8 ppb (2) 1.0 ppb (1) 1.6 ppb (1) 0.0 ppb (0) 44.0 ppb (34) 0.15 ppb (2) 11.0 μg/m3 (10) 3.1 μg/m3 (13) 34.0
 
April 1, 2020, 10 p.m. 2.4 ppb (2) 1.0 ppb (1) 1.7 ppb (2) 1.0 ppb (1) 1.6 ppb (1) 0.0 ppb (0) 43.0 ppb (33) 0.15 ppb (2) 10.0 μg/m3 (9) 2.0 μg/m3 (8) 33.0
 
April 1, 2020, 9 p.m. 2.3 ppb (2) 1.0 ppb (1) 1.5 ppb (1) 1.0 ppb (1) 1.4 ppb (1) 0.0 ppb (0) 41.0 ppb (32) 0.15 ppb (2) 8.0 μg/m3 (7) 4.2 μg/m3 (18) 32.0
 
April 1, 2020, 8 p.m. 2.7 ppb (3) 1.2 ppb (1) 1.8 ppb (2) 2.0 ppb (2) 1.5 ppb (1) 0.0 ppb (0) 36.0 ppb (28) 0.15 ppb (2) 10.0 μg/m3 (9) 3.8 μg/m3 (16) 28.0
 
April 1, 2020, 7 p.m. 3.1 ppb (3) 1.3 ppb (1) 2.0 ppb (2) 2.0 ppb (2) 1.7 ppb (2) 0.0 ppb (0) 32.0 ppb (25) 0.15 ppb (2) 11.0 μg/m3 (10) 1.3 μg/m3 (5) 25.0
 
April 1, 2020, 6 p.m. 3.0 ppb (3) 1.3 ppb (1) 1.6 ppb (1) 2.0 ppb (2) 1.3 ppb (1) 0.0 ppb (0) 29.0 ppb (22) 0.15 ppb (2) 11.0 μg/m3 (10) 5.3 μg/m3 (22) 22.0
 
April 1, 2020, 5 p.m. 2.9 ppb (3) 1.4 ppb (1) 1.5 ppb (1) 1.0 ppb (1) 1.1 ppb (1) 0.0 ppb (0) 26.0 ppb (20) 0.14 ppb (2) 8.0 μg/m3 (7) 4.2 μg/m3 (18) 20.0
 
April 1, 2020, 4 p.m. 3.4 ppb (3) 1.7 ppb (2) 2.1 ppb (2) 2.0 ppb (2) 1.5 ppb (1) 0.0 ppb (0) 19.0 ppb (15) 0.15 ppb (2) 11.0 μg/m3 (10) 0.8 μg/m3 (3) 15.0
 
April 1, 2020, 3 p.m. 5.2 ppb (5) 2.3 ppb (2) 4.1 ppb (4) 3.0 ppb (3) 2.8 ppb (3) 0.0 ppb (0) 16.0 ppb (12) 0.16 ppb (2) 14.0 μg/m3 (13) 3.0 μg/m3 (12) 13.0
 
April 1, 2020, 2 p.m. 6.0 ppb (6) 1.9 ppb (2) 5.0 ppb (5) 4.0 ppb (4) 4.1 ppb (4) 0.0 ppb (0) 13.0 ppb (10) 0.17 ppb (2) 6.0 μg/m3 (5) 3.6 μg/m3 (15) 15.0
 
April 1, 2020, 1 p.m. 5.1 ppb (5) 1.3 ppb (1) 4.1 ppb (4) 4.0 ppb (4) 3.8 ppb (4) 0.0 ppb (0) 12.0 ppb (9) 0.17 ppb (2) 9.0 μg/m3 (8) 0.8 μg/m3 (3) 9.0
 
April 1, 2020, noon N/A N/A 2.8 ppb (3) N/A 2.7 ppb (3) 0.0 ppb (0) N/A 0.15 ppb (2) 10.0 μg/m3 (9) -1.6 μg/m3 (0) 9.0
 
April 1, 2020, 11 a.m. 3.2 ppb (3) 0.9 ppb (1) 2.4 ppb (2) 2.0 ppb (2) 2.4 ppb (2) 0.0 ppb (0) 15.0 ppb (12) 0.14 ppb (2) 8.0 μg/m3 (7) -0.5 μg/m3 (0) 12.0
 
April 1, 2020, 10 a.m. 2.9 ppb (3) 1.0 ppb (1) 2.1 ppb (2) 2.0 ppb (2) 2.1 ppb (2) 0.0 ppb (0) 16.0 ppb (12) 0.14 ppb (2) 4.0 μg/m3 (4) 1.2 μg/m3 (5) 12.0