ID: 2078

AQSQID: 000094401

Site Name: St. Lina

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

Updated: May 13, 2021, 12:44 p.m.

Location: Co Of Saint Paul No. 19 (Range Rd 110), CC

Reporting: True, Located: True

Current AQI: 25.0

Co Of Saint Paul No. 19 (Range Rd 110) CC, CA: 54.216473, -111.50264

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 13, 2021, 10 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
May 13, 2021, 9 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 4.8 μg/m3 (20) 27.0
 
May 13, 2021, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 4.7 μg/m3 (20) 34.0
 
May 13, 2021, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 4.2 μg/m3 (18) 39.0
 
May 13, 2021, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 3.5 μg/m3 (15) 42.0
 
May 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.4 μg/m3 (15) 15.0
 
May 13, 2021, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 4.9 μg/m3 (21) 39.0
 
May 13, 2021, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 4.8 μg/m3 (20) 40.0
 
May 13, 2021, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 4.2 μg/m3 (18) 42.0
 
May 13, 2021, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 2.7 μg/m3 (12) 43.0
 
May 13, 2021, midnight N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 2.6 μg/m3 (11) 44.0
 
May 12, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 2.9 μg/m3 (13) 43.0
 
May 12, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 2.9 μg/m3 (13) 43.0
 
May 12, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 2.8 μg/m3 (12) 43.0
 
May 12, 2021, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 2.4 μg/m3 (10) 43.0
 
May 12, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 2.7 μg/m3 (12) 42.0
 
May 12, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 2.7 μg/m3 (12) 42.0
 
May 12, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 2.6 μg/m3 (11) 42.0
 
May 12, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 2.9 μg/m3 (13) 41.0
 
May 12, 2021, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 3.3 μg/m3 (14) 38.0
 
May 12, 2021, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 3.5 μg/m3 (15) 37.0
 
May 12, 2021, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 4.0 μg/m3 (17) 29.0
 
May 12, 2021, noon N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 4.3 μg/m3 (18) 31.0
 
May 12, 2021, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 4.7 μg/m3 (20) 25.0
 
May 12, 2021, 10 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 3.2 μg/m3 (14) 39.0
 
May 12, 2021, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 3.2 μg/m3 (14) 40.0
 
May 12, 2021, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 3.4 μg/m3 (15) 38.0
 
May 12, 2021, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 3.4 μg/m3 (15) 36.0
 
May 12, 2021, 6 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 12, 2021, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 2.7 μg/m3 (12) 39.0
 
May 12, 2021, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 2.7 μg/m3 (12) 39.0
 
May 12, 2021, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 2.4 μg/m3 (10) 40.0
 
May 12, 2021, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 2.5 μg/m3 (11) 39.0
 
May 12, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 2.5 μg/m3 (11) 40.0
 
May 12, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 1.9 μg/m3 (8) 41.0
 
May 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 2.2 μg/m3 (10) 43.0
 
May 11, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.5 μg/m3 (11) 42.0
 
May 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.4 μg/m3 (10) 42.0
 
May 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.9 μg/m3 (13) 40.0
 
May 11, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 3.0 μg/m3 (13) 45.0
 
May 11, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (46) N/A N/A 4.3 μg/m3 (18) 46.0
 
May 11, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 50.0 ppb (47) N/A N/A 5.7 μg/m3 (24) 47.0
 
May 11, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 7.4 μg/m3 (31) 44.0
 
May 11, 2021, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 6.7 μg/m3 (28) 40.0
 
May 11, 2021, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
May 11, 2021, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 7.0 μg/m3 (30) 30.0
 
May 11, 2021, noon N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 8.4 μg/m3 (36) 36.0
 
May 11, 2021, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 9.3 μg/m3 (39) 39.0
 
May 11, 2021, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 7.7 μg/m3 (33) 33.0
 
May 11, 2021, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 5.5 μg/m3 (23) 33.0
 
May 11, 2021, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 3.2 μg/m3 (14) 33.0
 
May 11, 2021, 7 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, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 2.4 μg/m3 (10) 36.0
 
May 11, 2021, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 2.1 μg/m3 (9) 37.0
 
May 11, 2021, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 2.3 μg/m3 (10) 38.0
 
May 11, 2021, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 1.2 μg/m3 (5) 40.0
 
May 11, 2021, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 0.9 μg/m3 (4) 41.0
 
May 11, 2021, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 1.1 μg/m3 (5) 42.0
 
May 11, 2021, midnight N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 1.2 μg/m3 (5) 42.0
 
May 10, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 1.6 μg/m3 (7) 7.0
 
May 10, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 1.9 μg/m3 (8) 8.0
 
May 10, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 2.4 μg/m3 (10) 10.0
 
May 10, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 2.1 μg/m3 (9) 9.0
 
May 10, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 2.4 μg/m3 (10) 10.0
 
May 10, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 2.2 μg/m3 (10) 40.0
 
May 10, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 3.0 μg/m3 (13) 42.0
 
May 10, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 49.0 ppb (46) N/A N/A 5.7 μg/m3 (24) 46.0
 
May 10, 2021, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 49.0 ppb (46) N/A N/A 7.3 μg/m3 (31) 46.0
 
May 10, 2021, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A 8.7 μg/m3 (37) 41.0
 
May 10, 2021, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 9.1 μg/m3 (38) 38.0
 
May 10, 2021, noon N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 7.9 μg/m3 (33) 34.0
 
May 10, 2021, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 6.8 μg/m3 (29) 36.0
 
May 10, 2021, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 6.0 μg/m3 (25) 40.0
 
May 10, 2021, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 5.7 μg/m3 (24) 42.0
 
May 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.6 μg/m3 (24) 24.0
 
May 10, 2021, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 49.0 ppb (46) N/A N/A 5.9 μg/m3 (25) 46.0
 
May 10, 2021, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 51.0 ppb (48) N/A N/A 5.5 μg/m3 (23) 48.0
 
May 10, 2021, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 51.0 ppb (48) N/A N/A 5.6 μg/m3 (24) 48.0
 
May 10, 2021, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 52.0 ppb (49) N/A N/A 5.5 μg/m3 (23) 49.0
 
May 10, 2021, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 52.0 ppb (49) N/A N/A 5.8 μg/m3 (25) 49.0
 
May 10, 2021, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 53.0 ppb (50) N/A N/A 6.7 μg/m3 (28) 50.0
 
May 10, 2021, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 56.0 ppb (55) N/A N/A 6.7 μg/m3 (28) 55.0
 
May 10, 2021, midnight N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 57.0 ppb (58) N/A N/A 6.9 μg/m3 (29) 58.0
 
May 9, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 57.0 ppb (58) N/A N/A 6.5 μg/m3 (28) 58.0
 
May 9, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 57.0 ppb (58) N/A N/A 6.3 μg/m3 (27) 58.0
 
May 9, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 56.0 ppb (55) N/A N/A 6.0 μg/m3 (25) 55.0
 
May 9, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 55.0 ppb (51) N/A N/A 5.6 μg/m3 (24) 51.0
 
May 9, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 52.0 ppb (49) N/A N/A 5.3 μg/m3 (23) 49.0
 
May 9, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 51.0 ppb (48) N/A N/A 5.3 μg/m3 (23) 48.0
 
May 9, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (46) N/A N/A 5.8 μg/m3 (25) 46.0
 
May 9, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 5.5 μg/m3 (23) 45.0
 
May 9, 2021, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 5.4 μg/m3 (23) 43.0
 
May 9, 2021, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 5.4 μg/m3 (23) 42.0
 
May 9, 2021, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 6.3 μg/m3 (27) 39.0
 
May 9, 2021, noon N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 6.9 μg/m3 (29) 39.0
 
May 9, 2021, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 6.6 μg/m3 (28) 39.0
 
May 9, 2021, 10 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 6.2 μg/m3 (26) 38.0
 
May 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.6 μg/m3 (24) 24.0
 
May 9, 2021, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 5.2 μg/m3 (22) 41.0
 
May 9, 2021, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 4.7 μg/m3 (20) 40.0
 
May 9, 2021, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 4.7 μg/m3 (20) 40.0
 
May 9, 2021, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 4.8 μg/m3 (20) 40.0
 
May 9, 2021, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 4.6 μg/m3 (20) 41.0
 
May 9, 2021, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 4.4 μg/m3 (19) 42.0
 
May 9, 2021, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 4.7 μg/m3 (20) 42.0
 
May 9, 2021, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 5.0 μg/m3 (21) 43.0
 
May 9, 2021, midnight N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 4.7 μg/m3 (20) 43.0
 
May 8, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 50.0 ppb (47) N/A N/A 4.3 μg/m3 (18) 47.0
 
May 8, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (46) N/A N/A 4.7 μg/m3 (20) 46.0
 
May 8, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 4.8 μg/m3 (20) 45.0
 
May 8, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 5.2 μg/m3 (22) 44.0
 
May 8, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 5.7 μg/m3 (24) 41.0
 
May 8, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 6.5 μg/m3 (28) 37.0
 
May 8, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 4.8 μg/m3 (20) 40.0
 
May 8, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 5.5 μg/m3 (23) 31.0
 
May 8, 2021, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 3.7 μg/m3 (16) 32.0
 
May 8, 2021, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 2.8 μg/m3 (12) 40.0
 
May 8, 2021, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 2.7 μg/m3 (12) 37.0
 
May 8, 2021, noon N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 2.9 μg/m3 (13) 35.0
 
May 8, 2021, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 4.5 μg/m3 (19) 36.0
 
May 8, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.2 μg/m3 (18) 18.0
 
May 8, 2021, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 4.3 μg/m3 (18) 38.0
 
May 8, 2021, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 4.7 μg/m3 (20) 41.0
 
May 8, 2021, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 4.5 μg/m3 (19) 43.0
 
May 8, 2021, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 4.4 μg/m3 (19) 44.0
 
May 8, 2021, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 4.8 μg/m3 (20) 45.0
 
May 8, 2021, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 5.2 μg/m3 (22) 42.0
 
May 8, 2021, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 5.2 μg/m3 (22) 41.0
 
May 8, 2021, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 4.5 μg/m3 (19) 44.0
 
May 8, 2021, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 5.2 μg/m3 (22) 45.0
 
May 8, 2021, midnight N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 5.4 μg/m3 (23) 45.0
 
May 7, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 5.6 μg/m3 (24) 45.0
 
May 7, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 6.2 μg/m3 (26) 45.0
 
May 7, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 5.7 μg/m3 (24) 43.0
 
May 7, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A N/A 42.0
 
May 7, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A N/A 41.0
 
May 7, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A N/A 40.0
 
May 7, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A N/A 38.0
 
May 7, 2021, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A N/A 37.0
 
May 7, 2021, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A N/A 37.0
 
May 7, 2021, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A N/A 36.0
 
May 7, 2021, noon N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A N/A 34.0
 
May 7, 2021, 10 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A N/A 34.0
 
May 7, 2021, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A N/A 35.0
 
May 7, 2021, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A N/A 36.0
 
May 7, 2021, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A N/A 37.0
 
May 7, 2021, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A N/A 37.0
 
May 7, 2021, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A N/A 38.0
 
May 7, 2021, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A N/A 38.0
 
May 7, 2021, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A N/A 40.0
 
May 7, 2021, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A N/A 43.0
 
May 7, 2021, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (46) N/A N/A N/A 46.0
 
May 7, 2021, midnight N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 50.0 ppb (47) N/A N/A N/A 47.0
 
May 6, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 50.0 ppb (47) N/A N/A N/A 47.0
 
May 6, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 50.0 ppb (47) N/A N/A N/A 47.0
 
May 6, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (46) N/A N/A N/A 46.0
 
May 6, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A N/A 44.0
 
May 6, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A N/A 40.0
 
May 6, 2021, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 40.0 ppb (38) N/A N/A 6.9 μg/m3 (29) 38.0
 
May 6, 2021, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 6.8 μg/m3 (29) 36.0
 
May 6, 2021, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 6.2 μg/m3 (26) 34.0
 
May 6, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.8 μg/m3 (25) 25.0
 
May 6, 2021, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 5.6 μg/m3 (24) 35.0
 
May 6, 2021, 10 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 5.4 μg/m3 (23) 36.0
 
May 6, 2021, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 4.9 μg/m3 (21) 38.0
 
May 6, 2021, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 5.7 μg/m3 (24) 35.0
 
May 6, 2021, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
May 6, 2021, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 3.8 μg/m3 (16) 40.0