AQSQID: 021700008

Site Name: Butte (Harrison Court)

Location: Palmer (J W Court), AK

Reporting: True, Located: True

Current AQI: 25.0

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
April 2, 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) 6.0 μg/m3 (25) 25.0
 
April 2, 2020, noon 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
 
April 2, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 4.0 μg/m3 (17) 17.0
 
April 2, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 5.0 μg/m3 (21) 21.0
 
April 2, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 6.0 μg/m3 (25) 25.0
 
April 2, 2020, 8 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
 
April 2, 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) 6.0 μg/m3 (25) 25.0
 
April 2, 2020, 6 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
 
April 2, 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) 2.0 μg/m3 (8) 8.0
 
April 2, 2020, 4 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
 
April 2, 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) -1.0 μg/m3 (0) 1.0
 
April 2, 2020, 2 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 (4) 4.0
 
April 2, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 2.0 μg/m3 (8) 8.0
 
April 2, 2020, midnight 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
 
April 1, 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
 
April 1, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 8.0
 
April 1, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 12.0
 
April 1, 2020, 8 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
 
April 1, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
April 1, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
April 1, 2020, 5 p.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
 
April 1, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
April 1, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 10.0 μg/m3 (42) 42.0
 
April 1, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 8.0 μg/m3 (33) 33.0
 
April 1, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
April 1, 2020, noon 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
 
April 1, 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
 
April 1, 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) 8.0 μg/m3 (33) 33.0
 
April 1, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 14.0 μg/m3 (54) 54.0
 
April 1, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
April 1, 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) 4.0 μg/m3 (17) 17.0
 
April 1, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
April 1, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 7.0 μg/m3 (29) 29.0
 
April 1, 2020, 4 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
 
April 1, 2020, 3 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
 
April 1, 2020, 2 a.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
 
April 1, 2020, 1 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
 
April 1, 2020, midnight 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
 
March 31, 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
 
March 31, 2020, 10 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
 
March 31, 2020, 9 p.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
 
March 31, 2020, 8 p.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
 
March 31, 2020, 7 p.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
 
March 31, 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) 7.0 μg/m3 (29) 29.0
 
March 31, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
March 31, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 60.0 μg/m3 (52) 24.0 μg/m3 (76) 76.0
 
March 31, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 17.0 μg/m3 (61) 61.0
 
March 31, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
March 31, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
March 31, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
March 31, 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) 3.0 μg/m3 (12) 12.0
 
March 31, 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) 3.0 μg/m3 (12) 12.0
 
March 31, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
March 31, 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) 4.0 μg/m3 (17) 17.0
 
March 31, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
March 31, 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) 5.0 μg/m3 (21) 21.0
 
March 31, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) -1.0 μg/m3 (0) 33.0
 
March 31, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) -2.0 μg/m3 (0) 16.0
 
March 31, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) -2.0 μg/m3 (0) 15.0
 
March 31, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) -4.0 μg/m3 (0) 13.0
 
March 31, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) -1.0 μg/m3 (0) 13.0
 
March 31, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 1.0 μg/m3 (4) 12.0
 
March 30, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 0.0 μg/m3 (0) 12.0
 
March 30, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 1.0 μg/m3 (4) 15.0
 
March 30, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 3.0 μg/m3 (12) 22.0
 
March 30, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
March 30, 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) 5.0 μg/m3 (21) 21.0
 
March 30, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
March 30, 2020, 5 p.m. 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
 
March 30, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 13.0 μg/m3 (52) 52.0
 
March 30, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 12.0 μg/m3 (50) 50.0
 
March 30, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 13.0 μg/m3 (52) 52.0
 
March 30, 2020, 1 p.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
 
March 30, 2020, noon 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
 
March 30, 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
 
March 30, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
March 30, 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) 4.0 μg/m3 (17) 17.0
 
March 30, 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) 3.0 μg/m3 (12) 12.0
 
March 30, 2020, 7 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 (0) 5.0
 
March 30, 2020, 6 a.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 (0) 5.0
 
March 30, 2020, 5 a.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
 
March 30, 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) 5.0 μg/m3 (21) 21.0
 
March 30, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
March 30, 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) 3.0 μg/m3 (12) 12.0
 
March 30, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 0.0 μg/m3 (0) 7.0
 
March 29, 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) -1.0 μg/m3 (0) 5.0
 
March 29, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 4.0
 
March 29, 2020, 9 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
 
March 29, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
March 29, 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) 5.0 μg/m3 (21) 21.0
 
March 29, 2020, 6 p.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
 
March 29, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 11.0 μg/m3 (46) 46.0
 
March 29, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 21.0 μg/m3 (69) 69.0
 
March 29, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 13.0 μg/m3 (52) 52.0
 
March 29, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
March 29, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 17.0
 
March 29, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
March 29, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 8.0 μg/m3 (33) 33.0
 
March 29, 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) 5.0 μg/m3 (21) 21.0
 
March 29, 2020, 9 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
 
March 29, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 13.0 μg/m3 (52) 52.0
 
March 29, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 9.0 μg/m3 (38) 38.0
 
March 29, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 8.0 μg/m3 (33) 33.0
 
March 29, 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) 5.0 μg/m3 (21) 21.0
 
March 29, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
March 29, 2020, 3 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
 
March 29, 2020, 2 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
 
March 29, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 0.0 μg/m3 (0) 2.0
 
March 29, 2020, midnight 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
 
March 28, 2020, 11 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
 
March 28, 2020, 10 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
 
March 28, 2020, 9 p.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
 
March 28, 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) 3.0 μg/m3 (12) 12.0
 
March 28, 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) 4.0 μg/m3 (17) 17.0
 
March 28, 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) 4.0 μg/m3 (17) 17.0
 
March 28, 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
 
March 28, 2020, 4 p.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
 
March 28, 2020, 3 p.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
 
March 28, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
March 28, 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) 2.0 μg/m3 (8) 8.0
 
March 28, 2020, noon 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
 
March 28, 2020, 11 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 (8) 8.0
 
March 28, 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) 3.0 μg/m3 (12) 12.0
 
March 28, 2020, 9 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
 
March 28, 2020, 8 a.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
 
March 28, 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) 2.0 μg/m3 (8) 8.0
 
March 28, 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) 0.0 μg/m3 (0) 2.0
 
March 28, 2020, 5 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
 
March 28, 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) 3.0 μg/m3 (12) 12.0
 
March 28, 2020, 3 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
 
March 28, 2020, 2 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
 
March 28, 2020, 1 a.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
 
March 28, 2020, midnight 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
 
March 27, 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
 
March 27, 2020, 10 p.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
 
March 27, 2020, 9 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
 
March 27, 2020, 8 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
 
March 27, 2020, 7 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
 
March 27, 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) 1.0 μg/m3 (4) 5.0
 
March 27, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 1.0 μg/m3 (4) 7.0
 
March 27, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
March 27, 2020, 3 p.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
 
March 27, 2020, 2 p.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
 
March 27, 2020, 1 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
 
March 27, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
March 27, 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) 4.0 μg/m3 (17) 17.0
 
March 27, 2020, 10 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
 
March 27, 2020, 9 a.m. 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
 
March 27, 2020, 8 a.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
 
March 27, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 21.0 μg/m3 (69) 69.0
 
March 27, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (45) 12.0 μg/m3 (50) 50.0
 
March 27, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 75.0 μg/m3 (60) 5.0 μg/m3 (21) 60.0
 
March 27, 2020, 4 a.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
 
March 27, 2020, 3 a.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
 
March 27, 2020, 2 a.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
 
March 27, 2020, 1 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 (4) 4.0
 
March 27, 2020, midnight 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
 
March 26, 2020, 11 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 (0) 2.0
 
March 26, 2020, 10 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
 
March 26, 2020, 9 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
 
March 26, 2020, 8 p.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
 
March 26, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 6.0 μg/m3 (25) 25.0
 
March 26, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 6.0 μg/m3 (25) 25.0
 
March 26, 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) 6.0 μg/m3 (25) 25.0
 
March 26, 2020, 4 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
 
March 26, 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) 10.0 μg/m3 (42) 42.0
 
March 26, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
March 26, 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) 6.0 μg/m3 (25) 25.0