AQSQID: 021700008

Site Name: Butte (Harrison Court)

Location: Palmer (J W Court), AK

Reporting: True, Located: True

Current AQI: 61.0

Palmer (J W Court) AK, US: 61.534163, -149.031655

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 25, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 17.0 μg/m3 (61) 61.0
 
Jan. 25, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 12.0 μg/m3 (50) 50.0
 
Jan. 25, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 12.0 μg/m3 (50) 50.0
 
Jan. 25, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 14.0 μg/m3 (54) 54.0
 
Jan. 25, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
Jan. 25, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 8.0
 
Jan. 25, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 5.0 μg/m3 (21) 21.0
 
Jan. 25, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 17.0 μg/m3 (61) 61.0
 
Jan. 25, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 13.0 μg/m3 (52) 52.0
 
Jan. 25, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 13.0 μg/m3 (52) 52.0
 
Jan. 24, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 37.0 μg/m3 (104) 104.0
 
Jan. 24, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 34.0 μg/m3 (97) 97.0
 
Jan. 24, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 10.0 μg/m3 (42) 42.0
 
Jan. 24, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 13.0 μg/m3 (52) 52.0
 
Jan. 24, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 12.0 μg/m3 (50) 50.0
 
Jan. 24, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 19.0 μg/m3 (65) 65.0
 
Jan. 24, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 14.0 μg/m3 (54) 54.0
 
Jan. 24, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 18.0 μg/m3 (63) 63.0
 
Jan. 24, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 21.0 μg/m3 (69) 69.0
 
Jan. 24, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 19.0 μg/m3 (65) 65.0
 
Jan. 24, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 24.0 μg/m3 (76) 76.0
 
Jan. 24, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
Jan. 24, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 18.0 μg/m3 (63) 63.0
 
Jan. 24, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 13.0 μg/m3 (52) 52.0
 
Jan. 24, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
Jan. 24, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 21.0 μg/m3 (69) 69.0
 
Jan. 24, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Jan. 24, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 17.0 μg/m3 (61) 61.0
 
Jan. 24, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 28.0 μg/m3 (84) 84.0
 
Jan. 24, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 37.0 μg/m3 (104) 104.0
 
Jan. 24, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 30.0 μg/m3 (88) 88.0
 
Jan. 24, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 19.0 μg/m3 (65) 65.0
 
Jan. 24, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 11.0 μg/m3 (46) 46.0
 
Jan. 24, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 9.0 μg/m3 (38) 38.0
 
Jan. 23, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Jan. 23, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
Jan. 23, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 9.0 μg/m3 (38) 38.0
 
Jan. 23, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Jan. 23, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
Jan. 23, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 23, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
Jan. 23, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.0 μg/m3 (4) 4.0
 
Jan. 23, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 8.0
 
Jan. 23, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 3.0 μg/m3 (12) 12.0
 
Jan. 23, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 1.0 μg/m3 (4) 4.0
 
Jan. 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.0 μg/m3 (4) 4.0
 
Jan. 23, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 8.0 μg/m3 (33) 33.0
 
Jan. 23, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 8.0 μg/m3 (33) 33.0
 
Jan. 23, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 10.0 μg/m3 (42) 42.0
 
Jan. 23, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 7.0 μg/m3 (29) 29.0
 
Jan. 23, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 9.0 μg/m3 (38) 38.0
 
Jan. 23, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 10.0 μg/m3 (42) 42.0
 
Jan. 23, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 23, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 8.0
 
Jan. 22, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) -1.0 μg/m3 (0) 4.0
 
Jan. 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 1.0 μg/m3 (4) 4.0
 
Jan. 22, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 1.0 μg/m3 (4) 4.0
 
Jan. 22, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.0 μg/m3 (4) 4.0
 
Jan. 22, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 8.0
 
Jan. 22, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 8.0
 
Jan. 22, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 5.0 μg/m3 (21) 21.0
 
Jan. 22, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
Jan. 22, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 7.0 μg/m3 (29) 29.0
 
Jan. 22, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 1.0 μg/m3 (4) 4.0
 
Jan. 22, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 3.0 μg/m3 (12) 12.0
 
Jan. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 3.0 μg/m3 (12) 12.0
 
Jan. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 22, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 22, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 10.0 μg/m3 (42) 42.0
 
Jan. 22, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 11.0 μg/m3 (46) 46.0
 
Jan. 22, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 12.0 μg/m3 (50) 50.0
 
Jan. 22, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 8.0 μg/m3 (33) 33.0
 
Jan. 22, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 10.0 μg/m3 (42) 42.0
 
Jan. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 16.0 μg/m3 (59) 59.0
 
Jan. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
Jan. 21, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 20.0 μg/m3 (67) 67.0
 
Jan. 21, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Jan. 21, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 8.0
 
Jan. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 8.0
 
Jan. 21, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 3.0 μg/m3 (12) 12.0
 
Jan. 21, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 3.0 μg/m3 (12) 12.0
 
Jan. 21, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 3.0
 
Jan. 21, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 1.0 μg/m3 (4) 4.0
 
Jan. 21, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) -1.0 μg/m3 (0) 3.0
 
Jan. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) -1.0 μg/m3 (0) 1.0
 
Jan. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 0.0 μg/m3 (0) 1.0
 
Jan. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) -1.0 μg/m3 (0) 3.0
 
Jan. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) -3.0 μg/m3 (0) 2.0
 
Jan. 21, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) -2.0 μg/m3 (0) 2.0
 
Jan. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 1.0 μg/m3 (4) 4.0
 
Jan. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 3.0 μg/m3 (12) 12.0
 
Jan. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 1.0 μg/m3 (4) 4.0
 
Jan. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 3.0 μg/m3 (12) 12.0
 
Jan. 21, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
Jan. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 20, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
Jan. 20, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 1.0 μg/m3 (4) 4.0
 
Jan. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
Jan. 20, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
Jan. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 8.0
 
Jan. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 8.0
 
Jan. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 20, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
Jan. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 7.0 μg/m3 (29) 29.0
 
Jan. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 10.0 μg/m3 (42) 42.0
 
Jan. 20, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 13.0 μg/m3 (52) 52.0
 
Jan. 20, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 7.0 μg/m3 (29) 29.0
 
Jan. 20, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 20, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
Jan. 20, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 20, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 17.0 μg/m3 (61) 61.0
 
Jan. 20, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 20.0 μg/m3 (67) 67.0
 
Jan. 20, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 16.0 μg/m3 (59) 59.0
 
Jan. 19, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 29.0 μg/m3 (86) 86.0
 
Jan. 19, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 23.0 μg/m3 (73) 73.0
 
Jan. 19, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 8.0 μg/m3 (33) 33.0
 
Jan. 19, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
Jan. 19, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 21.0 μg/m3 (69) 69.0
 
Jan. 19, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 27.0 μg/m3 (82) 82.0
 
Jan. 19, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 25.0 μg/m3 (78) 78.0
 
Jan. 19, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 17.0 μg/m3 (61) 61.0
 
Jan. 19, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 29.0 μg/m3 (86) 86.0
 
Jan. 19, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 18.0 μg/m3 (63) 63.0
 
Jan. 19, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 22.0 μg/m3 (71) 71.0
 
Jan. 19, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 16.0 μg/m3 (59) 59.0
 
Jan. 19, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 30.0 μg/m3 (88) 88.0
 
Jan. 19, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 33.0 μg/m3 (95) 95.0
 
Jan. 19, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 19.0 μg/m3 (65) 65.0
 
Jan. 19, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 16.0 μg/m3 (59) 59.0
 
Jan. 19, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 31.0 μg/m3 (90) 90.0
 
Jan. 18, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 31.0 μg/m3 (90) 90.0
 
Jan. 18, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 38.0 μg/m3 (106) 106.0
 
Jan. 18, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 13.0 μg/m3 (52) 52.0
 
Jan. 18, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 18, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
Jan. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 18.0 μg/m3 (63) 63.0
 
Jan. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 13.0 μg/m3 (52) 52.0
 
Jan. 18, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 15.0 μg/m3 (56) 56.0
 
Jan. 18, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 15.0 μg/m3 (56) 56.0
 
Jan. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 23.0 μg/m3 (73) 73.0
 
Jan. 18, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 25.0 μg/m3 (78) 78.0
 
Jan. 18, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 24.0 μg/m3 (76) 76.0