ID: 1361

AQSQID: 090090027

Site Name: New Haven - Criscuolo Park

Added: April 21, 2020, 6:24 p.m.

Updated: April 18, 2021, 5:43 a.m.

Location: New Haven (Fair Haven), CT

Reporting: True, Located: True

Current AQI: 26.0

New Haven (Fair Haven) CT, US: 41.301288, -72.902685

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 18, 2021, 4 a.m. N/A 0.3 ppb (1) 7.5 ppb (8) 7.0 ppb (7) N/A 0.0 ppb (0) 28.0 ppb (26) 0.2 ppb (3) 8.9 μg/m3 (9) 4.7 μg/m3 (20) 26.0
 
April 18, 2021, 3 a.m. N/A 0.3 ppb (1) 6.2 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (27) 0.22 ppb (3) 8.3 μg/m3 (8) 4.4 μg/m3 (19) 27.0
 
April 18, 2021, 2 a.m. N/A 0.3 ppb (1) 4.1 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (31) 0.19 ppb (3) 8.5 μg/m3 (8) 3.9 μg/m3 (17) 31.0
 
April 18, 2021, 1 a.m. N/A 0.3 ppb (1) 4.4 ppb (5) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.19 ppb (3) 8.6 μg/m3 (8) 4.1 μg/m3 (18) 31.0
 
April 18, 2021, midnight N/A 0.2 ppb (1) 3.8 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (32) 0.18 ppb (3) 6.9 μg/m3 (7) 3.9 μg/m3 (17) 32.0
 
April 17, 2021, 11 p.m. N/A 0.5 ppb (1) 5.6 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (32) 0.19 ppb (3) 9.5 μg/m3 (9) 4.9 μg/m3 (21) 32.0
 
April 17, 2021, 10 p.m. N/A 0.8 ppb (1) 4.6 ppb (5) 4.0 ppb (4) N/A N/A 36.0 ppb (34) 0.19 ppb (3) 7.9 μg/m3 (8) 4.0 μg/m3 (17) 34.0
 
April 17, 2021, 9 p.m. N/A 0.4 ppb (1) 2.3 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (37) 0.14 ppb (2) 4.4 μg/m3 (5) 2.5 μg/m3 (11) 37.0
 
April 17, 2021, 8 p.m. N/A 0.5 ppb (1) 2.1 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) 0.15 ppb (2) 3.1 μg/m3 (3) 1.7 μg/m3 (8) 38.0
 
April 17, 2021, 7 p.m. N/A 0.5 ppb (1) 1.9 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) 0.14 ppb (2) 3.4 μg/m3 (4) 1.6 μg/m3 (7) 38.0
 
April 17, 2021, 6 p.m. N/A 0.5 ppb (1) 1.5 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) 0.14 ppb (2) 2.9 μg/m3 (3) 1.3 μg/m3 (6) 38.0
 
April 17, 2021, 5 p.m. N/A 0.6 ppb (1) 1.6 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) 0.12 ppb (2) 3.0 μg/m3 (3) 1.4 μg/m3 (6) 36.0
 
April 17, 2021, 4 p.m. N/A 0.6 ppb (1) 1.6 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) 0.13 ppb (2) 3.1 μg/m3 (3) 1.8 μg/m3 (8) 35.0
 
April 17, 2021, 3 p.m. N/A 0.6 ppb (1) 2.0 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) 0.12 ppb (2) 2.6 μg/m3 (3) 1.1 μg/m3 (5) 34.0
 
April 17, 2021, 2 p.m. N/A 0.7 ppb (1) 2.0 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) 0.14 ppb (2) 2.3 μg/m3 (3) 0.9 μg/m3 (4) 34.0
 
April 17, 2021, 1 p.m. N/A 0.8 ppb (1) 2.3 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) 2.2 μg/m3 (3) 1.2 μg/m3 (5) 31.0
 
April 17, 2021, noon N/A 1.1 ppb (2) 3.0 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (29) 0.14 ppb (2) 3.1 μg/m3 (3) 1.5 μg/m3 (7) 29.0
 
April 17, 2021, 11 a.m. N/A 0.9 ppb (1) 3.8 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (27) 0.16 ppb (3) 2.4 μg/m3 (3) 1.4 μg/m3 (6) 27.0
 
April 17, 2021, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (26) 0.14 ppb (2) 1.9 μg/m3 (2) 1.3 μg/m3 (6) 26.0
 
April 17, 2021, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (26) 0.16 ppb (3) 3.4 μg/m3 (4) 2.2 μg/m3 (10) 26.0
 
April 17, 2021, 8 a.m. N/A 0.3 ppb (1) 2.9 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) 0.13 ppb (2) 2.0 μg/m3 (2) 1.1 μg/m3 (5) 28.0
 
April 17, 2021, 7 a.m. N/A 0.3 ppb (1) 2.8 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) N/A 2.8 μg/m3 (3) 1.2 μg/m3 (5) 28.0
 
April 17, 2021, 6 a.m. N/A 0.3 ppb (1) 2.9 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (29) 0.14 ppb (2) 2.2 μg/m3 (3) 1.3 μg/m3 (6) 29.0
 
April 17, 2021, 5 a.m. N/A 0.3 ppb (1) 3.8 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) N/A 0.14 ppb (2) 2.9 μg/m3 (3) 1.4 μg/m3 (6) 6.0
 
April 17, 2021, 4 a.m. N/A 0.3 ppb (1) 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (30) 0.12 ppb (2) 1.9 μg/m3 (2) 1.3 μg/m3 (6) 30.0
 
April 17, 2021, 3 a.m. N/A 0.3 ppb (1) 3.7 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) 2.9 μg/m3 (3) 1.1 μg/m3 (5) 31.0
 
April 17, 2021, 2 a.m. N/A 0.3 ppb (1) 3.8 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (32) 0.14 ppb (2) 2.0 μg/m3 (2) 1.3 μg/m3 (6) 32.0
 
April 17, 2021, 1 a.m. N/A 0.3 ppb (1) 5.6 ppb (6) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.2 ppb (3) 3.6 μg/m3 (4) 2.1 μg/m3 (9) 29.0
 
April 17, 2021, midnight N/A 0.3 ppb (1) 4.9 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (31) 0.18 ppb (3) 2.9 μg/m3 (3) 1.5 μg/m3 (7) 31.0
 
April 16, 2021, 11 p.m. N/A 0.4 ppb (1) 4.2 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (33) 0.15 ppb (2) 2.0 μg/m3 (2) 1.4 μg/m3 (6) 33.0
 
April 16, 2021, 10 p.m. N/A 0.6 ppb (1) 4.6 ppb (5) 4.0 ppb (4) N/A N/A 36.0 ppb (34) 0.15 ppb (2) 2.3 μg/m3 (3) 1.2 μg/m3 (5) 34.0
 
April 16, 2021, 9 p.m. N/A 0.7 ppb (1) 4.0 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) 0.16 ppb (3) 1.7 μg/m3 (2) 0.9 μg/m3 (4) 35.0
 
April 16, 2021, 8 p.m. N/A 0.9 ppb (1) 4.7 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (33) 0.21 ppb (3) 2.7 μg/m3 (3) 1.3 μg/m3 (6) 33.0
 
April 16, 2021, 7 p.m. N/A 0.8 ppb (1) 3.2 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.15 ppb (2) 1.2 μg/m3 (2) 0.6 μg/m3 (3) 35.0
 
April 16, 2021, 6 p.m. N/A 0.8 ppb (1) 3.1 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.13 ppb (2) 1.4 μg/m3 (2) 0.5 μg/m3 (3) 36.0
 
April 16, 2021, 5 p.m. N/A 1.0 ppb (1) 4.1 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (31) 0.13 ppb (2) 2.9 μg/m3 (3) 1.1 μg/m3 (5) 31.0
 
April 16, 2021, 4 p.m. N/A 1.9 ppb (2) 4.9 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (24) 0.14 ppb (2) 3.8 μg/m3 (4) 2.4 μg/m3 (10) 24.0
 
April 16, 2021, 3 p.m. N/A 2.3 ppb (3) 6.2 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) 0.15 ppb (2) 11.6 μg/m3 (11) 2.3 μg/m3 (10) 25.0
 
April 16, 2021, 2 p.m. N/A 1.4 ppb (2) 5.0 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (30) 0.13 ppb (2) 6.6 μg/m3 (7) 1.4 μg/m3 (6) 30.0
 
April 16, 2021, 1 p.m. N/A 1.1 ppb (2) 4.3 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) 0.13 ppb (2) 2.1 μg/m3 (2) 0.7 μg/m3 (3) 35.0
 
April 16, 2021, noon N/A 1.2 ppb (2) 5.2 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (32) 0.13 ppb (2) 1.8 μg/m3 (2) 0.8 μg/m3 (4) 32.0
 
April 16, 2021, 11 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 30.0 ppb (28) 0.1 ppb (2) 2.2 μg/m3 (3) 0.9 μg/m3 (4) 28.0
 
April 16, 2021, 10 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 30.0 ppb (28) 0.11 ppb (2) 2.2 μg/m3 (3) 0.9 μg/m3 (4) 28.0
 
April 16, 2021, 9 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 29.0 ppb (27) 0.17 ppb (3) 1.7 μg/m3 (2) 0.9 μg/m3 (4) 27.0
 
April 16, 2021, 8 a.m. N/A 0.3 ppb (1) 5.6 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (28) 0.15 ppb (2) 1.5 μg/m3 (2) 0.8 μg/m3 (4) 28.0
 
April 16, 2021, 7 a.m. N/A 0.3 ppb (1) 4.5 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (31) N/A 2.3 μg/m3 (3) 1.4 μg/m3 (6) 31.0
 
April 16, 2021, 6 a.m. N/A 0.4 ppb (1) 4.4 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (31) 0.13 ppb (2) 4.1 μg/m3 (4) 1.9 μg/m3 (8) 31.0
 
April 16, 2021, 5 a.m. N/A 0.3 ppb (1) 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) N/A 0.16 ppb (3) 7.3 μg/m3 (7) 3.4 μg/m3 (15) 15.0
 
April 16, 2021, 4 a.m. N/A 0.4 ppb (1) 4.4 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (33) 0.15 ppb (2) 8.6 μg/m3 (8) 4.3 μg/m3 (18) 33.0
 
April 16, 2021, 3 a.m. N/A 0.4 ppb (1) 6.0 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (30) 0.15 ppb (2) 8.5 μg/m3 (8) 4.3 μg/m3 (18) 30.0
 
April 16, 2021, 2 a.m. N/A 0.4 ppb (1) 6.1 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (31) 0.16 ppb (3) 9.6 μg/m3 (9) 4.8 μg/m3 (20) 31.0
 
April 16, 2021, 1 a.m. N/A 0.4 ppb (1) 7.0 ppb (7) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.14 ppb (2) 9.6 μg/m3 (9) 4.9 μg/m3 (21) 30.0
 
April 16, 2021, midnight N/A 0.5 ppb (1) 7.5 ppb (8) 7.0 ppb (7) N/A 0.0 ppb (0) 33.0 ppb (31) 0.16 ppb (3) 6.9 μg/m3 (7) 3.4 μg/m3 (15) 31.0
 
April 15, 2021, 11 p.m. N/A 0.3 ppb (1) 5.8 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (33) 0.17 ppb (3) 7.5 μg/m3 (7) 3.6 μg/m3 (16) 33.0
 
April 15, 2021, 10 p.m. N/A 0.4 ppb (1) 2.9 ppb (3) 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.13 ppb (2) 9.2 μg/m3 (9) 4.5 μg/m3 (19) 37.0
 
April 15, 2021, 9 p.m. N/A 0.8 ppb (1) 4.2 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) 0.14 ppb (2) 9.7 μg/m3 (9) 4.7 μg/m3 (20) 37.0
 
April 15, 2021, 8 p.m. N/A 0.8 ppb (1) 4.3 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (38) 0.13 ppb (2) 9.1 μg/m3 (9) 4.2 μg/m3 (18) 38.0
 
April 15, 2021, 7 p.m. N/A 0.9 ppb (1) 3.9 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) 0.14 ppb (2) 6.6 μg/m3 (7) 2.9 μg/m3 (13) 37.0
 
April 15, 2021, 6 p.m. N/A 0.9 ppb (1) 4.7 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (36) 0.13 ppb (2) 7.2 μg/m3 (7) 2.8 μg/m3 (12) 36.0
 
April 15, 2021, 5 p.m. N/A 0.8 ppb (1) 5.6 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (39) 0.16 ppb (3) 5.1 μg/m3 (5) 2.8 μg/m3 (12) 39.0
 
April 15, 2021, 4 p.m. N/A 0.8 ppb (1) 6.5 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 43.0 ppb (40) 0.17 ppb (3) 5.4 μg/m3 (5) 3.1 μg/m3 (13) 40.0
 
April 15, 2021, 3 p.m. N/A 0.7 ppb (1) 6.0 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 42.0 ppb (39) 0.13 ppb (2) 7.6 μg/m3 (8) 4.4 μg/m3 (19) 39.0
 
April 15, 2021, 2 p.m. N/A 0.5 ppb (1) 6.5 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 43.0 ppb (40) 0.16 ppb (3) 3.5 μg/m3 (4) 2.3 μg/m3 (10) 40.0
 
April 15, 2021, 1 p.m. N/A 0.7 ppb (1) 5.5 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (39) 0.16 ppb (3) 4.6 μg/m3 (5) 2.6 μg/m3 (11) 39.0
 
April 15, 2021, noon N/A 0.9 ppb (1) 6.7 ppb (7) 6.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (34) 0.16 ppb (3) 11.2 μg/m3 (11) 6.1 μg/m3 (26) 34.0
 
April 15, 2021, 11 a.m. N/A 0.6 ppb (1) 6.1 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (28) 0.13 ppb (2) 15.5 μg/m3 (15) 8.5 μg/m3 (36) 36.0
 
April 15, 2021, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (31) 0.11 ppb (2) 25.5 μg/m3 (24) 12.7 μg/m3 (53) 53.0
 
April 15, 2021, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) 0.14 ppb (2) 24.3 μg/m3 (23) 11.6 μg/m3 (49) 49.0
 
April 15, 2021, 8 a.m. N/A 0.3 ppb (1) 3.0 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) 0.12 ppb (2) 21.1 μg/m3 (20) 9.9 μg/m3 (42) 42.0
 
April 15, 2021, 7 a.m. N/A 0.3 ppb (1) 4.3 ppb (5) 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) N/A 19.7 μg/m3 (19) 9.8 μg/m3 (41) 41.0
 
April 15, 2021, 6 a.m. N/A 0.4 ppb (1) 4.1 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) 0.15 ppb (2) 19.1 μg/m3 (18) 10.3 μg/m3 (43) 43.0
 
April 15, 2021, 5 a.m. N/A 0.5 ppb (1) 4.2 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) N/A 0.08 ppb (2) 19.2 μg/m3 (18) 10.5 μg/m3 (44) 44.0
 
April 15, 2021, 4 a.m. N/A 0.7 ppb (1) 4.8 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) 0.11 ppb (2) 18.1 μg/m3 (17) 10.3 μg/m3 (43) 43.0
 
April 15, 2021, 3 a.m. N/A 0.7 ppb (1) 5.4 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (38) 0.13 ppb (2) 13.9 μg/m3 (13) 8.3 μg/m3 (35) 38.0
 
April 15, 2021, 2 a.m. N/A 0.7 ppb (1) 6.7 ppb (7) 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (37) 0.13 ppb (2) 14.3 μg/m3 (14) 7.8 μg/m3 (33) 37.0
 
April 15, 2021, 1 a.m. N/A 0.8 ppb (1) 6.4 ppb (7) N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.13 ppb (2) 15.2 μg/m3 (15) 8.0 μg/m3 (34) 38.0
 
April 15, 2021, midnight N/A 0.7 ppb (1) 6.2 ppb (6) 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (41) 0.15 ppb (2) 16.4 μg/m3 (16) 8.5 μg/m3 (36) 41.0
 
April 14, 2021, 11 p.m. N/A 0.5 ppb (1) 6.6 ppb (7) 4.0 ppb (4) N/A 0.0 ppb (0) 45.0 ppb (42) 0.18 ppb (3) 19.8 μg/m3 (19) 9.3 μg/m3 (39) 42.0
 
April 14, 2021, 10 p.m. N/A 0.6 ppb (1) 5.9 ppb (6) 3.0 ppb (3) N/A N/A 49.0 ppb (46) 0.19 ppb (3) 27.5 μg/m3 (26) 13.2 μg/m3 (54) 54.0
 
April 14, 2021, 9 p.m. N/A 0.7 ppb (1) 5.2 ppb (5) 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (50) 0.19 ppb (3) 23.0 μg/m3 (22) 7.6 μg/m3 (32) 50.0
 
April 14, 2021, 8 p.m. N/A 0.6 ppb (1) 5.1 ppb (5) 2.0 ppb (2) N/A 0.0 ppb (0) 52.0 ppb (49) 0.19 ppb (3) 20.0 μg/m3 (19) 7.0 μg/m3 (30) 49.0
 
April 14, 2021, 7 p.m. N/A 0.7 ppb (1) 5.0 ppb (5) 2.0 ppb (2) N/A 0.0 ppb (0) 52.0 ppb (49) 0.18 ppb (3) 20.3 μg/m3 (19) 6.8 μg/m3 (29) 49.0
 
April 14, 2021, 6 p.m. N/A 1.2 ppb (2) 7.9 ppb (8) 4.0 ppb (4) N/A 0.0 ppb (0) 49.0 ppb (46) 0.36 ppb (5) 16.4 μg/m3 (16) 7.5 μg/m3 (32) 46.0
 
April 14, 2021, 5 p.m. N/A 4.0 ppb (4) 15.2 ppb (15) 9.0 ppb (9) N/A 0.0 ppb (0) 41.0 ppb (38) 0.26 ppb (4) 20.9 μg/m3 (20) 8.8 μg/m3 (37) 38.0
 
April 14, 2021, 4 p.m. N/A 10.2 ppb (10) 26.8 ppb (26) 16.0 ppb (16) N/A 0.0 ppb (0) 34.0 ppb (32) 0.23 ppb (3) 17.7 μg/m3 (17) 8.8 μg/m3 (37) 37.0
 
April 14, 2021, 3 p.m. N/A 4.9 ppb (5) 15.9 ppb (15) 9.0 ppb (9) N/A 0.0 ppb (0) 37.0 ppb (35) 0.19 ppb (3) 15.2 μg/m3 (15) 7.0 μg/m3 (30) 35.0
 
April 14, 2021, 2 p.m. N/A 9.2 ppb (9) 25.1 ppb (24) 16.0 ppb (16) N/A 0.0 ppb (0) 31.0 ppb (29) 0.19 ppb (3) 14.9 μg/m3 (14) 6.7 μg/m3 (28) 29.0
 
April 14, 2021, 1 p.m. N/A 8.2 ppb (8) 25.6 ppb (25) 17.0 ppb (17) N/A 0.0 ppb (0) 31.0 ppb (29) 0.21 ppb (3) 17.3 μg/m3 (17) 7.2 μg/m3 (31) 31.0
 
April 14, 2021, noon N/A 7.4 ppb (7) 26.9 ppb (26) 19.0 ppb (18) N/A 0.0 ppb (0) 29.0 ppb (27) 0.23 ppb (3) 15.7 μg/m3 (15) 7.2 μg/m3 (31) 31.0
 
April 14, 2021, 11 a.m. N/A 5.6 ppb (6) 24.2 ppb (23) 19.0 ppb (18) N/A 0.0 ppb (0) 25.0 ppb (24) 0.23 ppb (3) 13.6 μg/m3 (13) 6.3 μg/m3 (27) 27.0
 
April 14, 2021, 10 a.m. N/A N/A N/A 26.0 ppb (25) N/A 0.0 ppb (0) 19.0 ppb (18) 0.21 ppb (3) 12.8 μg/m3 (12) 5.9 μg/m3 (25) 25.0
 
April 14, 2021, 9 a.m. N/A N/A N/A 17.0 ppb (17) N/A 0.0 ppb (0) 27.0 ppb (25) 0.17 ppb (3) 12.2 μg/m3 (12) 5.8 μg/m3 (25) 25.0
 
April 14, 2021, 8 a.m. N/A 0.9 ppb (1) 19.8 ppb (19) 19.0 ppb (18) N/A 0.0 ppb (0) 26.0 ppb (25) 0.17 ppb (3) 12.9 μg/m3 (12) 6.2 μg/m3 (26) 26.0
 
April 14, 2021, 7 a.m. N/A 0.6 ppb (1) 15.1 ppb (15) 15.0 ppb (15) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 13.1 μg/m3 (13) 6.4 μg/m3 (27) 27.0
 
April 14, 2021, 6 a.m. N/A 0.6 ppb (1) 15.2 ppb (15) 14.0 ppb (14) N/A 0.0 ppb (0) 30.0 ppb (28) 0.15 ppb (2) 12.9 μg/m3 (12) 5.9 μg/m3 (25) 28.0
 
April 14, 2021, 5 a.m. N/A 0.6 ppb (1) 18.3 ppb (18) 18.0 ppb (17) N/A 0.0 ppb (0) N/A 0.18 ppb (3) 13.8 μg/m3 (13) 6.4 μg/m3 (27) 27.0
 
April 14, 2021, 4 a.m. N/A 0.3 ppb (1) 8.3 ppb (8) 7.0 ppb (7) N/A 0.0 ppb (0) 37.0 ppb (35) 0.16 ppb (3) 14.2 μg/m3 (14) 6.6 μg/m3 (28) 35.0
 
April 14, 2021, 3 a.m. N/A 0.4 ppb (1) 5.4 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (38) 0.18 ppb (3) 14.6 μg/m3 (14) 6.2 μg/m3 (26) 38.0
 
April 14, 2021, 2 a.m. N/A 0.3 ppb (1) 7.3 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 40.0 ppb (38) 0.17 ppb (3) 14.6 μg/m3 (14) 6.4 μg/m3 (27) 38.0
 
April 14, 2021, 1 a.m. N/A 0.4 ppb (1) 7.4 ppb (7) N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.17 ppb (3) 13.7 μg/m3 (13) 6.3 μg/m3 (27) 37.0
 
April 14, 2021, midnight N/A 0.2 ppb (1) 5.3 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (39) 0.18 ppb (3) 14.2 μg/m3 (14) 6.2 μg/m3 (26) 39.0
 
April 13, 2021, 11 p.m. N/A 0.4 ppb (1) 8.3 ppb (8) 7.0 ppb (7) N/A 0.0 ppb (0) 42.0 ppb (39) 0.16 ppb (3) 13.9 μg/m3 (13) 5.9 μg/m3 (25) 39.0
 
April 13, 2021, 10 p.m. N/A 0.4 ppb (1) 5.3 ppb (5) 4.0 ppb (4) N/A N/A 45.0 ppb (42) 0.15 ppb (2) 12.6 μg/m3 (12) 4.9 μg/m3 (21) 42.0
 
April 13, 2021, 9 p.m. N/A 1.9 ppb (2) 12.7 ppb (12) 11.0 ppb (11) N/A 0.0 ppb (0) 38.0 ppb (36) 0.17 ppb (3) 13.2 μg/m3 (13) 3.9 μg/m3 (17) 36.0
 
April 13, 2021, 8 p.m. N/A 1.8 ppb (2) 10.1 ppb (10) 9.0 ppb (9) N/A 0.0 ppb (0) 41.0 ppb (38) 0.17 ppb (3) 24.2 μg/m3 (23) 4.5 μg/m3 (19) 38.0
 
April 13, 2021, 7 p.m. N/A 0.7 ppb (1) 2.9 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (43) 0.17 ppb (3) 11.0 μg/m3 (11) 3.5 μg/m3 (15) 43.0
 
April 13, 2021, 6 p.m. N/A 0.7 ppb (1) 2.9 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) 0.14 ppb (2) 10.4 μg/m3 (10) 3.6 μg/m3 (16) 43.0
 
April 13, 2021, 5 p.m. N/A 0.7 ppb (1) 3.0 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (42) 0.15 ppb (2) 10.7 μg/m3 (10) 3.7 μg/m3 (16) 42.0
 
April 13, 2021, 4 p.m. N/A 1.1 ppb (2) 3.9 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (39) 0.14 ppb (2) 11.4 μg/m3 (11) 3.8 μg/m3 (16) 39.0
 
April 13, 2021, 3 p.m. N/A 1.4 ppb (2) 4.6 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) 0.03 ppb (0) 11.9 μg/m3 (12) 4.0 μg/m3 (17) 38.0
 
April 13, 2021, 2 p.m. N/A 1.3 ppb (2) 4.1 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) N/A 10.0 μg/m3 (10) 3.6 μg/m3 (16) 37.0
 
April 13, 2021, 1 p.m. N/A 2.1 ppb (2) 7.9 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (31) 0.14 ppb (2) 9.7 μg/m3 (9) 4.0 μg/m3 (17) 31.0
 
April 13, 2021, noon N/A 1.8 ppb (2) 9.8 ppb (10) 8.0 ppb (8) N/A 0.0 ppb (0) 29.0 ppb (27) 0.17 ppb (3) 9.2 μg/m3 (9) 4.4 μg/m3 (19) 27.0
 
April 13, 2021, 11 a.m. N/A 1.4 ppb (2) 11.0 ppb (11) 10.0 ppb (10) N/A 0.0 ppb (0) 25.0 ppb (24) 0.2 ppb (3) 10.1 μg/m3 (10) 4.4 μg/m3 (19) 24.0
 
April 13, 2021, 10 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 25.0 ppb (24) 0.18 ppb (3) 9.4 μg/m3 (9) 4.6 μg/m3 (20) 24.0
 
April 13, 2021, 9 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 25.0 ppb (24) 0.18 ppb (3) 10.1 μg/m3 (10) 4.7 μg/m3 (20) 24.0
 
April 13, 2021, 8 a.m. N/A 0.4 ppb (1) 10.4 ppb (10) 10.0 ppb (10) N/A 0.0 ppb (0) 25.0 ppb (24) 0.17 ppb (3) 9.6 μg/m3 (9) 4.7 μg/m3 (20) 24.0
 
April 13, 2021, 7 a.m. N/A 0.4 ppb (1) 8.9 ppb (9) 9.0 ppb (9) N/A 0.0 ppb (0) 27.0 ppb (25) N/A 10.5 μg/m3 (10) 4.9 μg/m3 (21) 25.0
 
April 13, 2021, 6 a.m. N/A 0.4 ppb (1) 7.4 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) 30.0 ppb (28) 0.13 ppb (2) 10.7 μg/m3 (10) 5.1 μg/m3 (22) 28.0
 
April 13, 2021, 5 a.m. N/A 0.4 ppb (1) 7.4 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) N/A 0.13 ppb (2) 9.0 μg/m3 (9) 4.2 μg/m3 (18) 18.0
 
April 13, 2021, 4 a.m. N/A 0.3 ppb (1) 6.1 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (30) 0.12 ppb (2) 7.4 μg/m3 (7) 3.6 μg/m3 (16) 30.0
 
April 13, 2021, 3 a.m. N/A 0.3 ppb (1) 4.6 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (32) 0.14 ppb (2) 6.9 μg/m3 (7) 3.4 μg/m3 (15) 32.0
 
April 13, 2021, 2 a.m. N/A 0.3 ppb (1) 2.4 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) 0.14 ppb (2) 5.9 μg/m3 (6) 3.1 μg/m3 (13) 36.0
 
April 13, 2021, 1 a.m. N/A 0.3 ppb (1) 3.9 ppb (4) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.15 ppb (2) 6.3 μg/m3 (6) 3.3 μg/m3 (14) 33.0
 
April 13, 2021, midnight N/A 0.3 ppb (1) 2.8 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.14 ppb (2) 6.4 μg/m3 (6) 2.9 μg/m3 (13) 35.0
 
April 12, 2021, 11 p.m. N/A 0.4 ppb (1) 2.8 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.12 ppb (2) 5.6 μg/m3 (6) 2.9 μg/m3 (13) 35.0
 
April 12, 2021, 10 p.m. N/A 0.4 ppb (1) 5.6 ppb (6) 5.0 ppb (5) N/A N/A 34.0 ppb (32) 0.16 ppb (3) 12.5 μg/m3 (12) 4.8 μg/m3 (20) 32.0
 
April 12, 2021, 9 p.m. N/A 1.6 ppb (2) 10.6 ppb (10) 9.0 ppb (9) N/A 0.0 ppb (0) 30.0 ppb (28) 0.19 ppb (3) 11.3 μg/m3 (11) 4.7 μg/m3 (20) 28.0
 
April 12, 2021, 8 p.m. N/A 0.9 ppb (1) 4.6 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (33) 0.15 ppb (2) 6.6 μg/m3 (7) 2.8 μg/m3 (12) 33.0
 
April 12, 2021, 7 p.m. N/A 0.6 ppb (1) 3.2 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) 0.12 ppb (2) 7.7 μg/m3 (8) 2.9 μg/m3 (13) 34.0
 
April 12, 2021, 6 p.m. N/A 0.9 ppb (1) 5.0 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (33) 0.12 ppb (2) 10.1 μg/m3 (10) 4.3 μg/m3 (18) 33.0
 
April 12, 2021, 5 p.m. N/A 0.8 ppb (1) 4.3 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) 0.16 ppb (3) 9.1 μg/m3 (9) 4.2 μg/m3 (18) 35.0
 
April 12, 2021, 4 p.m. N/A 1.6 ppb (2) 6.1 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (30) 0.17 ppb (3) 9.9 μg/m3 (10) 4.6 μg/m3 (20) 30.0
 
April 12, 2021, 3 p.m. N/A 2.1 ppb (2) 6.6 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (29) 0.11 ppb (2) 9.2 μg/m3 (9) 4.0 μg/m3 (17) 29.0
 
April 12, 2021, 2 p.m. N/A 1.0 ppb (1) 3.8 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (31) 0.17 ppb (3) 10.9 μg/m3 (11) 4.0 μg/m3 (17) 31.0
 
April 12, 2021, 1 p.m. N/A 0.8 ppb (1) 4.2 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) 0.16 ppb (3) 8.5 μg/m3 (8) 4.1 μg/m3 (18) 30.0
 
April 12, 2021, noon N/A 1.0 ppb (1) 6.5 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (29) 0.16 ppb (3) 8.6 μg/m3 (8) 4.1 μg/m3 (18) 29.0
 
April 12, 2021, 11 a.m. N/A 0.6 ppb (1) 4.3 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (30) 0.15 ppb (2) 8.9 μg/m3 (9) 4.1 μg/m3 (18) 30.0
 
April 12, 2021, 10 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (28) 0.15 ppb (2) 9.7 μg/m3 (9) 4.4 μg/m3 (19) 28.0
 
April 12, 2021, 9 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 29.0 ppb (27) 0.17 ppb (3) 10.1 μg/m3 (10) 4.9 μg/m3 (21) 27.0
 
April 12, 2021, 8 a.m. N/A 0.3 ppb (1) 6.1 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (29) 0.15 ppb (2) 11.5 μg/m3 (11) 5.5 μg/m3 (23) 29.0
 
April 12, 2021, 7 a.m. N/A 0.3 ppb (1) 4.3 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 12.3 μg/m3 (12) 5.9 μg/m3 (25) 30.0
 
April 12, 2021, 6 a.m. N/A 0.3 ppb (1) 2.3 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) 0.13 ppb (2) 12.2 μg/m3 (12) 6.2 μg/m3 (26) 32.0
 
April 12, 2021, 5 a.m. N/A 0.3 ppb (1) 2.1 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) N/A 0.14 ppb (2) 12.5 μg/m3 (12) 6.4 μg/m3 (27) 27.0
 
April 12, 2021, 4 a.m. N/A 0.3 ppb (1) 2.0 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) 0.14 ppb (2) 12.5 μg/m3 (12) 6.5 μg/m3 (28) 34.0
 
April 12, 2021, 3 a.m. N/A 0.3 ppb (1) 2.1 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) 0.13 ppb (2) 13.6 μg/m3 (13) 7.0 μg/m3 (30) 35.0
 
April 12, 2021, 2 a.m. N/A 0.3 ppb (1) 2.5 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) 0.13 ppb (2) 13.3 μg/m3 (13) 7.1 μg/m3 (30) 35.0
 
April 12, 2021, 1 a.m. N/A 0.3 ppb (1) 2.9 ppb (3) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.13 ppb (2) 15.0 μg/m3 (14) 7.7 μg/m3 (33) 35.0
 
April 12, 2021, midnight N/A 0.3 ppb (1) 2.8 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.11 ppb (2) 15.4 μg/m3 (15) 8.2 μg/m3 (35) 35.0
 
April 11, 2021, 11 p.m. N/A 0.5 ppb (1) 3.2 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) 0.16 ppb (3) 15.6 μg/m3 (15) 8.3 μg/m3 (35) 35.0
 
April 11, 2021, 10 p.m. N/A 0.4 ppb (1) 2.8 ppb (3) 2.0 ppb (2) N/A N/A 37.0 ppb (35) 0.15 ppb (2) 14.5 μg/m3 (14) 7.4 μg/m3 (31) 35.0
 
April 11, 2021, 9 p.m. N/A 0.8 ppb (1) 5.6 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (30) 0.18 ppb (3) 19.9 μg/m3 (19) 10.4 μg/m3 (44) 44.0
 
April 11, 2021, 8 p.m. N/A 0.8 ppb (1) 4.2 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (31) 0.16 ppb (3) 22.1 μg/m3 (21) 11.2 μg/m3 (47) 47.0
 
April 11, 2021, 7 p.m. N/A 1.0 ppb (1) 4.6 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (31) 0.12 ppb (2) 18.2 μg/m3 (17) 10.1 μg/m3 (43) 43.0
 
April 11, 2021, 6 p.m. N/A 0.8 ppb (1) 3.9 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) 0.13 ppb (2) 20.7 μg/m3 (20) 11.8 μg/m3 (50) 50.0
 
April 11, 2021, 5 p.m. N/A 1.0 ppb (1) 4.2 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) 0.21 ppb (3) 16.4 μg/m3 (16) 9.8 μg/m3 (41) 41.0
 
April 11, 2021, 4 p.m. N/A 1.0 ppb (1) 4.1 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (32) 0.19 ppb (3) 9.1 μg/m3 (9) 5.9 μg/m3 (25) 32.0
 
April 11, 2021, 3 p.m. N/A 0.9 ppb (1) 3.9 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) 0.15 ppb (2) 8.0 μg/m3 (8) 5.0 μg/m3 (21) 34.0
 
April 11, 2021, 2 p.m. N/A 0.9 ppb (1) 4.3 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) 0.16 ppb (3) 8.2 μg/m3 (8) 5.2 μg/m3 (22) 34.0
 
April 11, 2021, 1 p.m. N/A 1.1 ppb (2) 7.4 ppb (7) 6.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (32) 0.19 ppb (3) 7.9 μg/m3 (8) 5.0 μg/m3 (21) 32.0
 
April 11, 2021, noon N/A 1.2 ppb (2) 6.4 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (30) 0.17 ppb (3) 7.0 μg/m3 (7) 4.9 μg/m3 (21) 30.0
 
April 11, 2021, 11 a.m. N/A 0.6 ppb (1) 4.9 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (30) 0.15 ppb (2) 5.9 μg/m3 (6) 4.2 μg/m3 (18) 30.0
 
April 11, 2021, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (26) 0.16 ppb (3) 9.0 μg/m3 (9) 5.8 μg/m3 (25) 26.0
 
April 11, 2021, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (31) 0.16 ppb (3) 5.4 μg/m3 (5) 4.0 μg/m3 (17) 31.0
 
April 11, 2021, 8 a.m. N/A 0.3 ppb (1) 10.5 ppb (10) 8.0 ppb (8) N/A 0.0 ppb (0) 31.0 ppb (29) 0.15 ppb (2) 6.7 μg/m3 (7) 4.7 μg/m3 (20) 29.0
 
April 11, 2021, 7 a.m. N/A 1.1 ppb (2) 21.8 ppb (21) 19.0 ppb (18) N/A 0.0 ppb (0) 20.0 ppb (19) N/A 9.6 μg/m3 (9) 6.3 μg/m3 (27) 27.0
 
April 11, 2021, 6 a.m. N/A 0.8 ppb (1) 15.8 ppb (15) 12.0 ppb (12) N/A 0.0 ppb (0) 25.0 ppb (24) 0.15 ppb (2) 10.4 μg/m3 (10) 6.7 μg/m3 (28) 28.0
 
April 11, 2021, 5 a.m. N/A 0.3 ppb (1) 6.9 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) N/A 0.17 ppb (3) 17.1 μg/m3 (16) 10.2 μg/m3 (43) 43.0