ID: 1463

AQSQID: 000070301

Site Name: Flin Flon

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

Updated: Aug. 3, 2021, 11:02 p.m.

Location: Flin Flon (Main St), CC

Reporting: True, Located: True

Current AQI: 17.0

Flin Flon (Main St) CC, CA: 54.765, -101.8753

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 27, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 13.6 μg/m3 (55) 55.0
 
July 27, 2021, 8 p.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 15.9 μg/m3 (59) 59.0
 
July 27, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 17.4 μg/m3 (63) 63.0
 
July 27, 2021, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 17.3 μg/m3 (62) 62.0
 
July 27, 2021, 5 p.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 17.4 μg/m3 (63) 63.0
 
July 27, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 14.4 μg/m3 (56) 56.0
 
July 27, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 10.1 μg/m3 (43) 43.0
 
July 27, 2021, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 16.0 ppb (15) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 27, 2021, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 13.0 ppb (13) N/A N/A 10.2 μg/m3 (43) 43.0
 
July 27, 2021, noon N/A N/A N/A N/A N/A 3.0 ppb (5) 11.0 ppb (11) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 27, 2021, 11 a.m. N/A N/A N/A -1.0 ppb (0) N/A 20.0 ppb (29) 10.0 ppb (10) N/A N/A 10.7 μg/m3 (45) 45.0
 
July 27, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.2 μg/m3 (35) 35.0
 
July 27, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 8.3 μg/m3 (35) 35.0
 
July 27, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 15.2 μg/m3 (58) 58.0
 
July 27, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 24.2 μg/m3 (77) 77.0
 
July 27, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 10.8 μg/m3 (46) 46.0
 
July 27, 2021, 5 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 6.3 μg/m3 (27) 27.0
 
July 27, 2021, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 6.1 μg/m3 (26) 26.0
 
July 27, 2021, 3 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 8.5 μg/m3 (36) 36.0
 
July 27, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 13.5 μg/m3 (54) 54.0
 
July 27, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 12.3 μg/m3 (52) 52.0
 
July 27, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 26, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 4.4 μg/m3 (19) 20.0
 
July 26, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 3.6 μg/m3 (16) 20.0
 
July 26, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 4.1 μg/m3 (18) 20.0
 
July 26, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 5.9 μg/m3 (25) 25.0
 
July 26, 2021, 7 p.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 8.2 μg/m3 (35) 35.0
 
July 26, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 3.9 μg/m3 (17) 17.0
 
July 26, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 3.1 μg/m3 (13) 13.0
 
July 26, 2021, 4 p.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 2.5 μg/m3 (11) 13.0
 
July 26, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 1.1 μg/m3 (5) 13.0
 
July 26, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 0.6 μg/m3 (3) 13.0
 
July 26, 2021, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 13.0 ppb (13) N/A N/A 0.8 μg/m3 (4) 13.0
 
July 26, 2021, noon N/A N/A N/A N/A N/A 3.0 ppb (5) 14.0 ppb (13) N/A N/A 0.9 μg/m3 (4) 13.0
 
July 26, 2021, 11 a.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 13.0 ppb (13) N/A N/A 1.6 μg/m3 (7) 23.0
 
July 26, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.6 μg/m3 (11) 11.0
 
July 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 4.5 μg/m3 (19) 19.0
 
July 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 5.5 μg/m3 (23) 23.0
 
July 26, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 6.6 μg/m3 (28) 28.0
 
July 26, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 6.1 μg/m3 (26) 26.0
 
July 26, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 6.1 μg/m3 (26) 26.0
 
July 26, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 6.4 μg/m3 (27) 27.0
 
July 26, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 6.2 μg/m3 (26) 26.0
 
July 26, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 6.7 μg/m3 (28) 28.0
 
July 26, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 6.2 μg/m3 (26) 26.0
 
July 26, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 4.7 μg/m3 (20) 20.0
 
July 25, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 3.6 μg/m3 (16) 17.0
 
July 25, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 2.9 μg/m3 (13) 17.0
 
July 25, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 2.7 μg/m3 (12) 17.0
 
July 25, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 2.7 μg/m3 (12) 16.0
 
July 25, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 3.4 μg/m3 (15) 15.0
 
July 25, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 4.4 μg/m3 (19) 19.0
 
July 25, 2021, 5 p.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 5.9 μg/m3 (25) 25.0
 
July 25, 2021, 4 p.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 7.2 μg/m3 (31) 31.0
 
July 25, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 13.0 μg/m3 (53) 53.0
 
July 25, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 25, 2021, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 14.0 ppb (13) N/A N/A 7.5 μg/m3 (32) 32.0
 
July 25, 2021, noon N/A N/A N/A N/A N/A 3.0 ppb (5) 12.0 ppb (12) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 25, 2021, 11 a.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 13.0 ppb (13) N/A N/A 9.7 μg/m3 (41) 41.0
 
July 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
July 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 25, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 12.4 μg/m3 (52) 52.0
 
July 25, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 15.8 μg/m3 (59) 59.0
 
July 25, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 11.9 μg/m3 (50) 50.0
 
July 25, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 13.0 μg/m3 (53) 53.0
 
July 25, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 9.5 μg/m3 (40) 40.0
 
July 25, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 25, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 14.8 μg/m3 (57) 57.0
 
July 25, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 17.6 μg/m3 (63) 63.0
 
July 24, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 24.5 μg/m3 (78) 78.0
 
July 24, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 37.1 μg/m3 (105) 105.0
 
July 24, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 28.0 μg/m3 (85) 85.0
 
July 24, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 26.5 μg/m3 (82) 82.0
 
July 24, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 25.9 μg/m3 (81) 81.0
 
July 24, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 28.5 μg/m3 (86) 86.0
 
July 24, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 22.6 μg/m3 (74) 74.0
 
July 24, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 25.0 μg/m3 (79) 79.0
 
July 24, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 25.0 μg/m3 (79) 79.0
 
July 24, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 27.5 μg/m3 (84) 84.0
 
July 24, 2021, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 11.0 ppb (11) N/A N/A 26.5 μg/m3 (82) 82.0
 
July 24, 2021, noon N/A N/A N/A N/A N/A 3.0 ppb (5) 10.0 ppb (10) N/A N/A 20.5 μg/m3 (69) 69.0
 
July 24, 2021, 11 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 11.0 ppb (11) N/A N/A 21.1 μg/m3 (70) 70.0
 
July 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.4 μg/m3 (67) 67.0
 
July 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 14.3 μg/m3 (56) 56.0
 
July 24, 2021, 8 a.m. N/A N/A N/A -1.0 ppb (0) N/A N/A 14.0 ppb (13) N/A N/A 8.3 μg/m3 (35) 35.0
 
July 24, 2021, 7 a.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 4.7 μg/m3 (20) 20.0
 
July 24, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 24, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 3.1 μg/m3 (13) 13.0
 
July 24, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A -0.2 μg/m3 (0) 13.0
 
July 24, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 22.4 μg/m3 (73) 73.0
 
July 24, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 24, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 9.8 μg/m3 (41) 41.0
 
July 24, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 18.9 μg/m3 (66) 66.0
 
July 23, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 25.1 μg/m3 (79) 79.0
 
July 23, 2021, 10 p.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 49.8 μg/m3 (137) 137.0
 
July 23, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 5.3 μg/m3 (23) 23.0
 
July 23, 2021, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 23.9 μg/m3 (76) 76.0
 
July 23, 2021, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 34.3 μg/m3 (98) 98.0
 
July 23, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 1.9 μg/m3 (8) 18.0
 
July 23, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 4.5 μg/m3 (19) 19.0
 
July 23, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 5.1 μg/m3 (22) 22.0
 
July 23, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 9.2 μg/m3 (39) 39.0
 
July 23, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 14.4 μg/m3 (56) 56.0
 
July 23, 2021, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 19.0 ppb (18) N/A N/A 23.5 μg/m3 (75) 75.0
 
July 23, 2021, noon N/A N/A N/A -1.0 ppb (0) N/A 3.0 ppb (5) 19.0 ppb (18) N/A N/A 38.5 μg/m3 (109) 109.0
 
July 23, 2021, 11 a.m. N/A N/A N/A -1.0 ppb (0) N/A 11.0 ppb (16) 16.0 ppb (15) N/A N/A 52.8 μg/m3 (144) 144.0
 
July 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.9 μg/m3 (102) 102.0
 
July 23, 2021, 9 a.m. N/A N/A N/A -1.0 ppb (0) N/A N/A 16.0 ppb (15) N/A N/A 48.2 μg/m3 (133) 133.0
 
July 23, 2021, 8 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 ppb (17) N/A N/A 76.2 μg/m3 (162) 162.0
 
July 23, 2021, 7 a.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 56.6 μg/m3 (152) 152.0
 
July 23, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 50.1 μg/m3 (137) 137.0
 
July 23, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 29.5 μg/m3 (88) 88.0
 
July 23, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 26.8 μg/m3 (82) 82.0
 
July 23, 2021, 3 a.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 23, 2021, 2 a.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 18.7 μg/m3 (65) 65.0
 
July 23, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 10.0 ppb (10) N/A N/A 30.2 μg/m3 (90) 90.0
 
July 23, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 28.9 μg/m3 (87) 87.0
 
July 22, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 28.8 μg/m3 (87) 87.0
 
July 22, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 8.0 ppb (8) N/A N/A 30.7 μg/m3 (91) 91.0
 
July 22, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 7.0 ppb (7) N/A N/A 32.7 μg/m3 (95) 95.0
 
July 22, 2021, 8 p.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 10.0 ppb (10) N/A N/A 38.2 μg/m3 (108) 108.0
 
July 22, 2021, 7 p.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 39.8 μg/m3 (112) 112.0
 
July 22, 2021, 6 p.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 8.0 ppb (8) N/A N/A 46.4 μg/m3 (128) 128.0
 
July 22, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 7.0 ppb (7) N/A N/A 49.9 μg/m3 (137) 137.0
 
July 22, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 6.0 ppb (6) N/A N/A 46.0 μg/m3 (127) 127.0
 
July 22, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 7.0 ppb (7) N/A N/A 52.9 μg/m3 (144) 144.0
 
July 22, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 7.0 ppb (7) N/A N/A 64.1 μg/m3 (156) 156.0
 
July 22, 2021, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 7.0 ppb (7) N/A N/A 73.4 μg/m3 (161) 161.0
 
July 22, 2021, noon N/A N/A N/A N/A N/A 3.0 ppb (5) 9.0 ppb (9) N/A N/A 86.1 μg/m3 (167) 167.0
 
July 22, 2021, 11 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 9.0 ppb (9) N/A N/A 103.1 μg/m3 (176) 176.0
 
July 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 111.7 μg/m3 (181) 181.0
 
July 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 100.8 μg/m3 (175) 175.0
 
July 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 92.6 μg/m3 (171) 171.0
 
July 22, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 74.0 μg/m3 (161) 161.0
 
July 22, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 66.7 μg/m3 (157) 157.0
 
July 22, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 106.8 μg/m3 (178) 178.0
 
July 22, 2021, 4 a.m. N/A N/A N/A -1.0 ppb (0) N/A 2.0 ppb (3) 8.0 ppb (8) N/A N/A 163.4 μg/m3 (214) 214.0
 
July 22, 2021, 3 a.m. N/A N/A N/A -1.0 ppb (0) N/A 2.0 ppb (3) 10.0 ppb (10) N/A N/A 169.7 μg/m3 (221) 221.0
 
July 22, 2021, 2 a.m. N/A N/A N/A -1.0 ppb (0) N/A 2.0 ppb (3) 11.0 ppb (11) N/A N/A 164.4 μg/m3 (215) 215.0
 
July 22, 2021, 1 a.m. N/A N/A N/A -1.0 ppb (0) N/A 2.0 ppb (3) 13.0 ppb (13) N/A N/A 141.3 μg/m3 (196) 196.0
 
July 22, 2021, midnight N/A N/A N/A -1.0 ppb (0) N/A 2.0 ppb (3) 19.0 ppb (18) N/A N/A 113.9 μg/m3 (182) 182.0
 
July 21, 2021, 11 p.m. N/A N/A N/A -1.0 ppb (0) N/A 2.0 ppb (3) 19.0 ppb (18) N/A N/A 121.5 μg/m3 (186) 186.0
 
July 21, 2021, 10 p.m. N/A N/A N/A -1.0 ppb (0) N/A 2.0 ppb (3) 18.0 ppb (17) N/A N/A 139.6 μg/m3 (195) 195.0
 
July 21, 2021, 9 p.m. N/A N/A N/A -1.0 ppb (0) N/A 2.0 ppb (3) 17.0 ppb (16) N/A N/A 157.2 μg/m3 (208) 208.0
 
July 21, 2021, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 166.6 μg/m3 (217) 217.0
 
July 21, 2021, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 168.5 μg/m3 (219) 219.0
 
July 21, 2021, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 172.7 μg/m3 (223) 223.0
 
July 21, 2021, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 173.3 μg/m3 (224) 224.0
 
July 21, 2021, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 168.1 μg/m3 (219) 219.0
 
July 21, 2021, 3 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 157.1 μg/m3 (208) 208.0
 
July 21, 2021, 2 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 124.0 μg/m3 (187) 187.0
 
July 21, 2021, 1 p.m. N/A N/A N/A -1.0 ppb (0) N/A 2.0 ppb (3) 12.0 ppb (12) N/A N/A 96.4 μg/m3 (173) 173.0
 
July 21, 2021, noon N/A N/A N/A -1.0 ppb (0) N/A 3.0 ppb (5) 12.0 ppb (12) N/A N/A 59.3 μg/m3 (153) 153.0
 
July 21, 2021, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 13.0 ppb (13) N/A N/A 53.4 μg/m3 (146) 146.0
 
July 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 62.2 μg/m3 (155) 155.0
 
July 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 62.2 μg/m3 (155) 155.0
 
July 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 53.9 μg/m3 (147) 147.0
 
July 21, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 57.7 μg/m3 (153) 153.0
 
July 21, 2021, 6 a.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 94.1 μg/m3 (171) 171.0
 
July 21, 2021, 5 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 151.4 μg/m3 (202) 202.0
 
July 21, 2021, 4 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 188.4 μg/m3 (239) 239.0
 
July 21, 2021, 3 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 183.7 μg/m3 (234) 234.0
 
July 21, 2021, 2 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 178.6 μg/m3 (229) 229.0
 
July 21, 2021, 1 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 183.6 μg/m3 (234) 234.0
 
July 21, 2021, midnight N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 142.8 μg/m3 (197) 197.0
 
July 20, 2021, 11 p.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 67.8 μg/m3 (158) 158.0
 
July 20, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 25.9 μg/m3 (81) 81.0