ID: 1102

AQSQID: 000010401

Site Name: Mount Pearl

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

Updated: May 12, 2021, 3:44 a.m.

Location: Mt Pearl (Waterford Valley), CC

Reporting: True, Located: True

Current AQI: 27.0

Mt Pearl (Waterford Valley) CC, CA: 47.505, -52.7947

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
May 12, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
May 12, 2021, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
May 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 10.0 μg/m3 (42) 42.0
 
May 11, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.0 μg/m3 (17) 29.0
 
May 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.0 μg/m3 (13) 28.0
 
May 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 2.0 μg/m3 (9) 28.0
 
May 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 2.0 μg/m3 (9) 27.0
 
May 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 2.0 μg/m3 (9) 27.0
 
May 11, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 2.0 μg/m3 (9) 27.0
 
May 11, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 2.0 μg/m3 (9) 27.0
 
May 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 2.0 μg/m3 (9) 27.0
 
May 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 2.0 μg/m3 (9) 27.0
 
May 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 2.0 μg/m3 (9) 27.0
 
May 11, 2021, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 1.0 μg/m3 (5) 28.0
 
May 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 2.0 μg/m3 (9) 27.0
 
May 11, 2021, 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 (13) 13.0
 
May 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 2.0 μg/m3 (9) 28.0
 
May 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 1.0 μg/m3 (5) 28.0
 
May 11, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 2.0 μg/m3 (9) 28.0
 
May 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
May 11, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
May 11, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 8.0 μg/m3 (34) 34.0
 
May 11, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 10.0 μg/m3 (42) 42.0
 
May 11, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 8.0 μg/m3 (34) 34.0
 
May 11, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 10.0 μg/m3 (42) 42.0
 
May 11, 2021, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 7.0 μg/m3 (30) 33.0
 
May 10, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 7.0 μg/m3 (30) 33.0
 
May 10, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 8.0 μg/m3 (34) 34.0
 
May 10, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
May 10, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
May 10, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
May 10, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 4.0 μg/m3 (17) 30.0
 
May 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
May 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
May 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
May 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
May 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
May 10, 2021, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
May 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
May 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 3.0 μg/m3 (13) 30.0
 
May 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 3.0 μg/m3 (13) 30.0
 
May 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 2.0 μg/m3 (9) 29.0
 
May 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.0 μg/m3 (13) 28.0
 
May 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
May 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 5.0 μg/m3 (21) 26.0
 
May 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 6.0 μg/m3 (25) 26.0
 
May 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
May 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
May 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
May 10, 2021, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
May 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
May 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
May 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
May 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
May 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 7.0 μg/m3 (30) 30.0
 
May 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 6.0 μg/m3 (25) 29.0
 
May 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
May 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 9.0 μg/m3 (38) 38.0
 
May 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 8.0 μg/m3 (34) 34.0
 
May 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 8.0 μg/m3 (34) 34.0
 
May 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 6.0 μg/m3 (25) 31.0
 
May 9, 2021, noon N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
May 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
May 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 2.0 μg/m3 (9) 28.0
 
May 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 1.0 μg/m3 (5) 29.0
 
May 9, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 1.0 μg/m3 (5) 31.0
 
May 9, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 1.0 μg/m3 (5) 31.0
 
May 9, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 1.0 μg/m3 (5) 31.0
 
May 9, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 1.0 μg/m3 (5) 31.0
 
May 9, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 2.0 μg/m3 (9) 31.0
 
May 9, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 1.0 μg/m3 (5) 33.0
 
May 9, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 2.0 μg/m3 (9) 32.0
 
May 9, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 3.0 μg/m3 (13) 31.0
 
May 9, 2021, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 3.0 μg/m3 (13) 30.0
 
May 8, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.0 μg/m3 (17) 29.0
 
May 8, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
May 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
May 8, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.0 μg/m3 (21) 32.0
 
May 8, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 6.0 μg/m3 (25) 31.0
 
May 8, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
May 8, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
May 8, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
May 8, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 6.0 μg/m3 (25) 29.0
 
May 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 6.0 μg/m3 (25) 29.0
 
May 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 7.0 μg/m3 (30) 30.0
 
May 8, 2021, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 7.0 μg/m3 (30) 30.0
 
May 8, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 5.0 μg/m3 (21) 27.0
 
May 8, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 5.0 μg/m3 (21) 26.0
 
May 8, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
May 8, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
May 8, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
May 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 5.0 μg/m3 (21) 26.0
 
May 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 5.0 μg/m3 (21) 27.0
 
May 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 5.0 μg/m3 (21) 26.0
 
May 8, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 5.0 μg/m3 (21) 26.0
 
May 8, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 5.0 μg/m3 (21) 27.0
 
May 8, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 7.0 μg/m3 (30) 30.0
 
May 8, 2021, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
May 7, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 5.0 μg/m3 (21) 30.0
 
May 7, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 5.0 μg/m3 (21) 31.0
 
May 7, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 6.0 μg/m3 (25) 31.0
 
May 7, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
May 7, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 6.0 μg/m3 (25) 31.0
 
May 7, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 6.0 μg/m3 (25) 33.0
 
May 7, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 5.0 μg/m3 (21) 31.0
 
May 7, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 4.0 μg/m3 (17) 30.0
 
May 7, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.0 μg/m3 (17) 29.0
 
May 7, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.0 μg/m3 (17) 29.0
 
May 7, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
May 7, 2021, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
May 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
May 7, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.0 μg/m3 (17) 29.0
 
May 7, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 3.0 μg/m3 (13) 30.0
 
May 7, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 2.0 μg/m3 (9) 32.0
 
May 7, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 2.0 μg/m3 (9) 31.0
 
May 7, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 2.0 μg/m3 (9) 33.0
 
May 7, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 3.0 μg/m3 (13) 33.0
 
May 7, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
May 7, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
May 7, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
May 7, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 5.0 μg/m3 (21) 33.0
 
May 7, 2021, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 6.0 μg/m3 (25) 34.0
 
May 6, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 5.0 μg/m3 (21) 34.0
 
May 6, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 6.0 μg/m3 (25) 35.0
 
May 6, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
May 6, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
May 6, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 4.0 μg/m3 (17) 36.0
 
May 6, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
May 6, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
May 6, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.0 μg/m3 (13) 34.0
 
May 6, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.0 μg/m3 (13) 34.0
 
May 6, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 2.0 μg/m3 (9) 35.0
 
May 6, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.0 μg/m3 (9) 36.0
 
May 6, 2021, noon N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.0 μg/m3 (13) 37.0
 
May 6, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
May 6, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
May 6, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
May 6, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.0 μg/m3 (9) 37.0
 
May 6, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
May 6, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.0 μg/m3 (13) 34.0
 
May 6, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 4.0 μg/m3 (17) 30.0
 
May 6, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
May 6, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
May 6, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.0 μg/m3 (17) 29.0
 
May 6, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 9.0 μg/m3 (38) 38.0
 
May 6, 2021, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 3.0 μg/m3 (13) 33.0
 
May 5, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
May 5, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
May 5, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 5.0 μg/m3 (21) 31.0
 
May 5, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 6.0 μg/m3 (25) 31.0
 
May 5, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 7.0 μg/m3 (30) 30.0
 
May 5, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
May 5, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
May 5, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 5.0 μg/m3 (21) 31.0
 
May 5, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 5.0 μg/m3 (21) 31.0
 
May 5, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 5.0 μg/m3 (21) 31.0
 
May 5, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.0 μg/m3 (21) 32.0
 
May 5, 2021, noon N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.0 μg/m3 (21) 32.0
 
May 5, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
May 5, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
May 5, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
May 5, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 5.0 μg/m3 (21) 23.0
 
May 5, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
May 5, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
May 5, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 5.0 μg/m3 (21) 26.0
 
May 5, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 5.0 μg/m3 (21) 26.0
 
May 5, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 5.0 μg/m3 (21) 26.0