ID: 1151

AQSQID: 271713201

Site Name: St. Michael

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

Updated: June 22, 2021, 1:55 p.m.

Location: Saint Michael (3rd St Nwest), MN

Reporting: True, Located: True

Current AQI: 23.0

Saint Michael (3rd St Nwest) MN, US: 45.2108, -93.6686

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
June 15, 2021, noon N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 7.0 μg/m3 (30) 30.0
 
June 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 6.0 μg/m3 (25) 25.0
 
June 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 5.0 μg/m3 (21) 21.0
 
June 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 6.0 μg/m3 (25) 25.0
 
June 15, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
June 15, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 9.0 μg/m3 (38) 38.0
 
June 15, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 8.0 μg/m3 (34) 34.0
 
June 15, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 9.0 μg/m3 (38) 38.0
 
June 15, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 6.0 μg/m3 (25) 25.0
 
June 15, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 4.0 μg/m3 (17) 21.0
 
June 15, 2021, 2 a.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
 
June 15, 2021, 1 a.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
 
June 15, 2021, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
June 14, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 1.0 μg/m3 (5) 40.0
 
June 14, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 1.0 μg/m3 (5) 40.0
 
June 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.0 μg/m3 (13) 40.0
 
June 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 3.0 μg/m3 (13) 41.0
 
June 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 4.0 μg/m3 (17) 42.0
 
June 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 6.0 μg/m3 (25) 42.0
 
June 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 6.0 μg/m3 (25) 43.0
 
June 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 5.0 μg/m3 (21) 44.0
 
June 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 4.0 μg/m3 (17) 45.0
 
June 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 5.0 μg/m3 (21) 45.0
 
June 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 8.0 μg/m3 (34) 42.0
 
June 14, 2021, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 6.0 μg/m3 (25) 36.0
 
June 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 7.0 μg/m3 (30) 30.0
 
June 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 9.0 μg/m3 (38) 38.0
 
June 14, 2021, 9 a.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
 
June 14, 2021, 8 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
 
June 14, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 11.0 μg/m3 (46) 46.0
 
June 14, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 9.0 μg/m3 (38) 40.0
 
June 14, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 7.0 μg/m3 (30) 44.0
 
June 14, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 8.0 μg/m3 (34) 46.0
 
June 14, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 6.0 μg/m3 (25) 58.0
 
June 14, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A N/A 4.0 μg/m3 (17) 81.0
 
June 14, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (101) N/A N/A 4.0 μg/m3 (17) 101.0
 
June 14, 2021, midnight N/A N/A N/A N/A N/A N/A 74.0 ppb (103) N/A N/A 4.0 μg/m3 (17) 103.0
 
June 13, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 74.0 ppb (103) N/A N/A 1.0 μg/m3 (5) 103.0
 
June 13, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (101) N/A N/A 3.0 μg/m3 (13) 101.0
 
June 13, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (100) N/A N/A 4.0 μg/m3 (17) 100.0
 
June 13, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (94) N/A N/A 6.0 μg/m3 (25) 94.0
 
June 13, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A N/A 3.0 μg/m3 (13) 87.0
 
June 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (91) N/A N/A 3.0 μg/m3 (13) 91.0
 
June 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A N/A 3.0 μg/m3 (13) 87.0
 
June 13, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A N/A 2.0 μg/m3 (9) 84.0
 
June 13, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A N/A 3.0 μg/m3 (13) 78.0
 
June 13, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 3.0 μg/m3 (13) 65.0
 
June 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 4.0 μg/m3 (17) 48.0
 
June 13, 2021, noon 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
 
June 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 7.0 μg/m3 (30) 30.0
 
June 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 7.0 μg/m3 (30) 30.0
 
June 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 5.0 μg/m3 (21) 21.0
 
June 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 6.0 μg/m3 (25) 25.0
 
June 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 8.0 μg/m3 (34) 34.0
 
June 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 13, 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
 
June 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 16.0 μg/m3 (60) 60.0
 
June 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 11.0 μg/m3 (46) 46.0
 
June 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 6.0 μg/m3 (25) 45.0
 
June 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 2.0 μg/m3 (9) 55.0
 
June 13, 2021, midnight N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 2.0 μg/m3 (9) 65.0
 
June 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A N/A 4.0 μg/m3 (17) 68.0
 
June 12, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 4.0 μg/m3 (17) 65.0
 
June 12, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 3.0 μg/m3 (13) 58.0
 
June 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 5.0 μg/m3 (21) 51.0
 
June 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 2.0 μg/m3 (9) 50.0
 
June 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 5.0 μg/m3 (21) 49.0
 
June 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 5.0 μg/m3 (21) 48.0
 
June 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 6.0 μg/m3 (25) 46.0
 
June 12, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 5.0 μg/m3 (21) 45.0
 
June 12, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 3.0 μg/m3 (13) 42.0
 
June 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
June 12, 2021, noon 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
 
June 12, 2021, 11 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
 
June 12, 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
 
June 12, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 5.0 μg/m3 (21) 37.0
 
June 12, 2021, 8 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
 
June 12, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 2.0 μg/m3 (9) 41.0
 
June 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 2.0 μg/m3 (9) 44.0
 
June 12, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 2.0 μg/m3 (9) 46.0
 
June 12, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 3.0 μg/m3 (13) 51.0
 
June 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A N/A 5.0 μg/m3 (21) 71.0
 
June 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 6.0 μg/m3 (25) 74.0
 
June 12, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 7.0 μg/m3 (30) 58.0
 
June 12, 2021, midnight N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A N/A 7.0 μg/m3 (30) 71.0
 
June 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 8.0 μg/m3 (34) 74.0
 
June 11, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 4.0 μg/m3 (17) 74.0
 
June 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A N/A 6.0 μg/m3 (25) 81.0
 
June 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 8.0 μg/m3 (34) 74.0
 
June 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A N/A 8.0 μg/m3 (34) 78.0
 
June 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 4.0 μg/m3 (17) 65.0
 
June 11, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 2.0 μg/m3 (9) 51.0
 
June 11, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 0.0 μg/m3 (0) 50.0
 
June 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A N/A 48.0
 
June 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
June 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A N/A 38.0
 
June 11, 2021, noon N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A N/A 33.0
 
June 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A N/A 33.0
 
June 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A N/A 37.0
 
June 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A N/A 36.0
 
June 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A N/A 37.0
 
June 11, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A N/A 39.0
 
June 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
June 11, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 10.0 μg/m3 (42) 42.0
 
June 11, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 7.0 μg/m3 (30) 44.0
 
June 11, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 6.0 μg/m3 (25) 49.0
 
June 11, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 8.0 μg/m3 (34) 47.0
 
June 11, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 9.0 μg/m3 (38) 50.0
 
June 11, 2021, midnight N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 7.0 μg/m3 (30) 65.0
 
June 10, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A N/A 5.0 μg/m3 (21) 78.0
 
June 10, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A N/A 8.0 μg/m3 (34) 87.0
 
June 10, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (91) N/A N/A 12.0 μg/m3 (50) 91.0
 
June 10, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (97) N/A N/A 11.0 μg/m3 (46) 97.0
 
June 10, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (97) N/A N/A 10.0 μg/m3 (42) 97.0
 
June 10, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (94) N/A N/A 8.0 μg/m3 (34) 94.0
 
June 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (94) N/A N/A 7.0 μg/m3 (30) 94.0
 
June 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A N/A 10.0 μg/m3 (42) 84.0
 
June 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 10.0 μg/m3 (42) 65.0
 
June 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 12.0 μg/m3 (50) 50.0
 
June 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 11.0 μg/m3 (46) 46.0
 
June 10, 2021, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 9.0 μg/m3 (38) 38.0
 
June 10, 2021, 11 a.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
 
June 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 7.0 μg/m3 (30) 36.0
 
June 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 8.0 μg/m3 (34) 38.0
 
June 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
June 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 8.0 μg/m3 (34) 38.0
 
June 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 9.0 μg/m3 (38) 38.0
 
June 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 9.0 μg/m3 (38) 38.0
 
June 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 9.0 μg/m3 (38) 43.0
 
June 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 6.0 μg/m3 (25) 47.0
 
June 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 7.0 μg/m3 (30) 50.0
 
June 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 5.0 μg/m3 (21) 49.0
 
June 10, 2021, midnight N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 7.0 μg/m3 (30) 58.0
 
June 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 8.0 μg/m3 (34) 74.0
 
June 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A N/A 7.0 μg/m3 (30) 84.0
 
June 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (91) N/A N/A 8.0 μg/m3 (34) 91.0
 
June 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A N/A 10.0 μg/m3 (42) 87.0
 
June 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (100) N/A N/A 9.0 μg/m3 (38) 100.0
 
June 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (91) N/A N/A 8.0 μg/m3 (34) 91.0
 
June 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (94) N/A N/A 9.0 μg/m3 (38) 94.0
 
June 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (97) N/A N/A 10.0 μg/m3 (42) 97.0
 
June 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 10.0 μg/m3 (42) 50.0
 
June 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 9.0 μg/m3 (38) 38.0
 
June 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 9.0 μg/m3 (38) 38.0
 
June 9, 2021, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 10.0 μg/m3 (42) 42.0
 
June 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 7.0 μg/m3 (30) 30.0
 
June 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 8.0 μg/m3 (34) 34.0
 
June 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 7.0 μg/m3 (30) 32.0
 
June 9, 2021, 8 a.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
 
June 9, 2021, 7 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
 
June 9, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A N/A 36.0
 
June 9, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A N/A 39.0
 
June 9, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 70.0 μg/m3 (159) 159.0
 
June 9, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A N/A 65.0
 
June 9, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A N/A 17.0 μg/m3 (62) 71.0
 
June 9, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 7.0 μg/m3 (30) 65.0
 
June 9, 2021, midnight N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 6.0 μg/m3 (25) 74.0
 
June 8, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 5.0 μg/m3 (21) 74.0
 
June 8, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A N/A 6.0 μg/m3 (25) 81.0
 
June 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A N/A 8.0 μg/m3 (34) 87.0
 
June 8, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A N/A 9.0 μg/m3 (38) 84.0
 
June 8, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A N/A 7.0 μg/m3 (30) 81.0
 
June 8, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 77.0 ppb (105) N/A N/A 10.0 μg/m3 (42) 105.0
 
June 8, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 79.0 ppb (106) N/A N/A 12.0 μg/m3 (50) 106.0
 
June 8, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (100) N/A N/A 6.0 μg/m3 (25) 100.0
 
June 8, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A N/A 9.0 μg/m3 (38) 68.0
 
June 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 10.0 μg/m3 (42) 48.0
 
June 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 8.0 μg/m3 (34) 39.0