ID: 452

AQSQID: 230090103

Site Name: Acadia Np - Mcfarland

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

Updated: Sept. 19, 2021, 10:57 p.m.

Location: Bar Harbor (Eagle Lake Rd), ME

Reporting: True, Located: True

Current AQI: 24.0

Bar Harbor (Eagle Lake Rd) ME, US: 44.377048, -68.260902

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 19, 2021, 9 p.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 1.4 μg/m3 (6) 24.0
 
Sept. 19, 2021, 8 p.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 1.3 μg/m3 (6) 24.0
 
Sept. 19, 2021, 7 p.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 1.3 μg/m3 (6) 23.0
 
Sept. 19, 2021, 6 p.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 1.5 μg/m3 (7) 22.0
 
Sept. 19, 2021, 5 p.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 1.9 μg/m3 (8) 21.0
 
Sept. 19, 2021, 4 p.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 2.1 μg/m3 (9) 19.0
 
Sept. 19, 2021, 3 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 2.1 μg/m3 (9) 19.0
 
Sept. 19, 2021, 2 p.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 2.0 μg/m3 (9) 18.0
 
Sept. 19, 2021, 1 p.m. N/A 0.1 ppb (1) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 1.9 μg/m3 (8) 17.0
 
Sept. 19, 2021, noon N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 1.8 μg/m3 (8) 16.0
 
Sept. 19, 2021, 11 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 2.0 μg/m3 (9) 15.0
 
Sept. 19, 2021, 10 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 2.2 μg/m3 (10) 14.0
 
Sept. 19, 2021, 9 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 2.5 μg/m3 (11) 15.0
 
Sept. 19, 2021, 8 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 2.7 μg/m3 (12) 16.0
 
Sept. 19, 2021, 7 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 3.0 μg/m3 (13) 17.0
 
Sept. 19, 2021, 6 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 3.3 μg/m3 (14) 18.0
 
Sept. 19, 2021, 5 a.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 3.3 μg/m3 (14) 19.0
 
Sept. 19, 2021, 4 a.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 3.4 μg/m3 (15) 21.0
 
Sept. 19, 2021, 3 a.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 3.8 μg/m3 (16) 22.0
 
Sept. 19, 2021, 2 a.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 4.5 μg/m3 (19) 24.0
 
Sept. 19, 2021, 1 a.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 8.5 μg/m3 (36) 36.0
 
Sept. 19, 2021, midnight N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 6.2 μg/m3 (26) 29.0
 
Sept. 18, 2021, 11 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 4.4 μg/m3 (19) 21.0
 
Sept. 18, 2021, 10 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 3.8 μg/m3 (16) 22.0
 
Sept. 18, 2021, 9 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 3.3 μg/m3 (14) 25.0
 
Sept. 18, 2021, 8 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 3.3 μg/m3 (14) 26.0
 
Sept. 18, 2021, 7 p.m. N/A 0.1 ppb (1) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 3.3 μg/m3 (14) 26.0
 
Sept. 18, 2021, 6 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 3.5 μg/m3 (15) 27.0
 
Sept. 18, 2021, 5 p.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 2.9 μg/m3 (13) 25.0
 
Sept. 18, 2021, 4 p.m. N/A 0.1 ppb (1) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 2.1 μg/m3 (9) 24.0
 
Sept. 18, 2021, 3 p.m. N/A 0.1 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 1.6 μg/m3 (7) 22.0
 
Sept. 18, 2021, 2 p.m. N/A 0.1 ppb (1) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 2.4 μg/m3 (10) 17.0
 
Sept. 18, 2021, 1 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 1.4 μg/m3 (6) 19.0
 
Sept. 18, 2021, noon N/A 0.1 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 0.4 μg/m3 (2) 19.0
 
Sept. 18, 2021, 11 a.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 0.2 μg/m3 (1) 17.0
 
Sept. 18, 2021, 10 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 0.7 μg/m3 (3) 13.0
 
Sept. 18, 2021, 9 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 0.6 μg/m3 (3) 13.0
 
Sept. 18, 2021, 8 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 0.4 μg/m3 (2) 23.0
 
Sept. 18, 2021, 7 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 0.6 μg/m3 (3) 21.0
 
Sept. 18, 2021, 6 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 0.0 μg/m3 (0) 26.0
 
Sept. 18, 2021, 5 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A -0.2 μg/m3 (0) 29.0
 
Sept. 18, 2021, 4 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A -0.1 μg/m3 (0) 29.0
 
Sept. 18, 2021, 3 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 0.4 μg/m3 (2) 31.0
 
Sept. 18, 2021, 2 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 0.3 μg/m3 (2) 32.0
 
Sept. 18, 2021, 1 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 3.6 μg/m3 (16) 34.0
 
Sept. 18, 2021, midnight N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 4.5 μg/m3 (19) 41.0
 
Sept. 17, 2021, 11 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 3.4 μg/m3 (15) 38.0
 
Sept. 17, 2021, 10 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 3.1 μg/m3 (13) 40.0
 
Sept. 17, 2021, 9 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 2.8 μg/m3 (12) 38.0
 
Sept. 17, 2021, 8 p.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 2.4 μg/m3 (10) 38.0
 
Sept. 17, 2021, 7 p.m. N/A 0.1 ppb (1) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 2.2 μg/m3 (10) 29.0
 
Sept. 17, 2021, 6 p.m. N/A 0.1 ppb (1) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 2.1 μg/m3 (9) 25.0
 
Sept. 17, 2021, 5 p.m. N/A 0.1 ppb (1) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 1.7 μg/m3 (8) 25.0
 
Sept. 17, 2021, 4 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 1.2 μg/m3 (5) 23.0
 
Sept. 17, 2021, 3 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 1.4 μg/m3 (6) 21.0
 
Sept. 17, 2021, 2 p.m. N/A 0.1 ppb (1) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 1.3 μg/m3 (6) 20.0
 
Sept. 17, 2021, 1 p.m. N/A 0.2 ppb (1) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 1.4 μg/m3 (6) 20.0
 
Sept. 17, 2021, noon N/A 0.2 ppb (1) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 1.5 μg/m3 (7) 21.0
 
Sept. 17, 2021, 11 a.m. N/A 0.1 ppb (1) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 1.2 μg/m3 (5) 22.0
 
Sept. 17, 2021, 10 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 1.1 μg/m3 (5) 24.0
 
Sept. 17, 2021, 9 a.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 1.1 μg/m3 (5) 25.0
 
Sept. 17, 2021, 8 a.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 1.5 μg/m3 (7) 20.0
 
Sept. 17, 2021, 7 a.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 1.7 μg/m3 (8) 18.0
 
Sept. 17, 2021, 6 a.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 1.3 μg/m3 (6) 21.0
 
Sept. 17, 2021, 5 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 1.0 μg/m3 (5) 25.0
 
Sept. 17, 2021, 4 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 1.0 μg/m3 (5) 24.0
 
Sept. 17, 2021, 3 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 1.0 μg/m3 (5) 25.0
 
Sept. 17, 2021, 2 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 1.0 μg/m3 (5) 24.0
 
Sept. 17, 2021, 1 a.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 1.1 μg/m3 (5) 23.0
 
Sept. 17, 2021, midnight N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 1.1 μg/m3 (5) 22.0
 
Sept. 16, 2021, 11 p.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 1.1 μg/m3 (5) 22.0
 
Sept. 16, 2021, 10 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 1.2 μg/m3 (5) 20.0
 
Sept. 16, 2021, 9 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 1.0 μg/m3 (5) 23.0
 
Sept. 16, 2021, 8 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 0.9 μg/m3 (4) 23.0
 
Sept. 16, 2021, 7 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 0.9 μg/m3 (4) 23.0
 
Sept. 16, 2021, 6 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 0.9 μg/m3 (4) 24.0
 
Sept. 16, 2021, 5 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 1.0 μg/m3 (5) 22.0
 
Sept. 16, 2021, 4 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 1.0 μg/m3 (5) 22.0
 
Sept. 16, 2021, 3 p.m. N/A 0.1 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 1.1 μg/m3 (5) 21.0
 
Sept. 16, 2021, 2 p.m. N/A 0.1 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 1.5 μg/m3 (7) 16.0
 
Sept. 16, 2021, 1 p.m. N/A 0.1 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 1.7 μg/m3 (8) 13.0
 
Sept. 16, 2021, noon N/A 0.1 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 0.9 μg/m3 (4) 13.0
 
Sept. 16, 2021, 11 a.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 1.1 μg/m3 (5) 15.0
 
Sept. 16, 2021, 10 a.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 1.6 μg/m3 (7) 17.0
 
Sept. 16, 2021, 9 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 3.2 μg/m3 (14) 20.0
 
Sept. 16, 2021, 8 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 4.8 μg/m3 (20) 25.0
 
Sept. 16, 2021, 7 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 6.6 μg/m3 (28) 28.0
 
Sept. 16, 2021, 6 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 6.3 μg/m3 (27) 31.0
 
Sept. 16, 2021, 5 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 6.1 μg/m3 (26) 33.0
 
Sept. 16, 2021, 4 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 16, 2021, 3 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 10.8 μg/m3 (46) 46.0
 
Sept. 16, 2021, 2 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 11.2 μg/m3 (47) 47.0
 
Sept. 16, 2021, 1 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 12.5 μg/m3 (52) 52.0
 
Sept. 16, 2021, midnight N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 14.1 μg/m3 (56) 56.0
 
Sept. 15, 2021, 11 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 14.9 μg/m3 (57) 57.0
 
Sept. 15, 2021, 10 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 12.3 μg/m3 (52) 52.0
 
Sept. 15, 2021, 9 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 10.2 μg/m3 (43) 43.0
 
Sept. 15, 2021, 8 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 7.8 μg/m3 (33) 42.0
 
Sept. 15, 2021, 7 p.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 7.2 μg/m3 (31) 42.0
 
Sept. 15, 2021, 6 p.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 7.8 μg/m3 (33) 38.0
 
Sept. 15, 2021, 5 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2021, 4 p.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 9.5 μg/m3 (40) 40.0
 
Sept. 15, 2021, 3 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 8.2 μg/m3 (35) 35.0
 
Sept. 15, 2021, 2 p.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 6.1 μg/m3 (26) 26.0
 
Sept. 15, 2021, 1 p.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 4.9 μg/m3 (21) 24.0
 
Sept. 15, 2021, noon N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 4.8 μg/m3 (20) 23.0
 
Sept. 15, 2021, 11 a.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 4.4 μg/m3 (19) 22.0
 
Sept. 15, 2021, 10 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 3.7 μg/m3 (16) 22.0
 
Sept. 15, 2021, 9 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 3.5 μg/m3 (15) 22.0
 
Sept. 15, 2021, 8 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 2.9 μg/m3 (13) 23.0
 
Sept. 15, 2021, 7 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 2.8 μg/m3 (12) 22.0
 
Sept. 15, 2021, 6 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 2.7 μg/m3 (12) 22.0
 
Sept. 15, 2021, 5 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 2.6 μg/m3 (11) 21.0
 
Sept. 15, 2021, 4 a.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 2.5 μg/m3 (11) 22.0
 
Sept. 15, 2021, 3 a.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 2.2 μg/m3 (10) 23.0
 
Sept. 15, 2021, 2 a.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 1.9 μg/m3 (8) 23.0
 
Sept. 15, 2021, 1 a.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 1.9 μg/m3 (8) 22.0
 
Sept. 15, 2021, midnight N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 2.0 μg/m3 (9) 23.0
 
Sept. 14, 2021, 11 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 2.0 μg/m3 (9) 23.0
 
Sept. 14, 2021, 10 p.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 2.0 μg/m3 (9) 24.0
 
Sept. 14, 2021, 9 p.m. N/A 0.1 ppb (1) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 1.9 μg/m3 (8) 25.0
 
Sept. 14, 2021, 8 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 1.7 μg/m3 (8) 26.0
 
Sept. 14, 2021, 7 p.m. N/A 0.1 ppb (1) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 2.0 μg/m3 (9) 27.0
 
Sept. 14, 2021, 6 p.m. N/A 0.1 ppb (1) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 2.0 μg/m3 (9) 28.0
 
Sept. 14, 2021, 5 p.m. N/A 0.1 ppb (1) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 1.8 μg/m3 (8) 28.0
 
Sept. 14, 2021, 4 p.m. N/A 0.1 ppb (1) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 1.8 μg/m3 (8) 27.0
 
Sept. 14, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 1.7 μg/m3 (8) 27.0
 
Sept. 14, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 1.6 μg/m3 (7) 27.0
 
Sept. 14, 2021, 1 p.m. N/A 0.1 ppb (1) 0.4 ppb (1) N/A N/A 1.0 ppb (2) N/A N/A N/A 1.7 μg/m3 (8) 8.0
 
Sept. 14, 2021, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 17.0
 
Sept. 14, 2021, 11 a.m. N/A 0.2 ppb (1) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 1.3 μg/m3 (6) 14.0
 
Sept. 14, 2021, 10 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 1.3 μg/m3 (6) 15.0
 
Sept. 14, 2021, 9 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) N/A N/A N/A 1.3 μg/m3 (6) 6.0
 
Sept. 14, 2021, 8 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 1.2 μg/m3 (5) 17.0
 
Sept. 14, 2021, 7 a.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 1.2 μg/m3 (5) 18.0
 
Sept. 14, 2021, 6 a.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 1.2 μg/m3 (5) 19.0
 
Sept. 14, 2021, 5 a.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 1.1 μg/m3 (5) 19.0
 
Sept. 14, 2021, 4 a.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 1.1 μg/m3 (5) 19.0
 
Sept. 14, 2021, 3 a.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 1.2 μg/m3 (5) 20.0
 
Sept. 14, 2021, 2 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 1.5 μg/m3 (7) 21.0
 
Sept. 14, 2021, 1 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 1.6 μg/m3 (7) 21.0
 
Sept. 14, 2021, midnight N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 1.5 μg/m3 (7) 22.0
 
Sept. 13, 2021, 11 p.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 1.0 μg/m3 (5) 23.0
 
Sept. 13, 2021, 10 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 0.8 μg/m3 (4) 23.0
 
Sept. 13, 2021, 9 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 0.7 μg/m3 (3) 23.0
 
Sept. 13, 2021, 8 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 0.6 μg/m3 (3) 23.0
 
Sept. 13, 2021, 7 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 0.7 μg/m3 (3) 23.0
 
Sept. 13, 2021, 6 p.m. N/A 0.1 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 0.7 μg/m3 (3) 22.0
 
Sept. 13, 2021, 5 p.m. N/A 0.1 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 0.6 μg/m3 (3) 23.0
 
Sept. 13, 2021, 4 p.m. N/A 0.1 ppb (1) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 0.6 μg/m3 (3) 25.0
 
Sept. 13, 2021, 3 p.m. N/A 0.1 ppb (1) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 0.9 μg/m3 (4) 24.0
 
Sept. 13, 2021, 2 p.m. N/A 0.1 ppb (1) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 1.9 μg/m3 (8) 21.0
 
Sept. 13, 2021, 1 p.m. N/A 0.1 ppb (1) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 3.0 μg/m3 (13) 19.0
 
Sept. 13, 2021, noon N/A 0.1 ppb (1) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 1.9 μg/m3 (8) 22.0
 
Sept. 13, 2021, 11 a.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 1.8 μg/m3 (8) 26.0
 
Sept. 13, 2021, 10 a.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 2.9 μg/m3 (13) 32.0
 
Sept. 13, 2021, 9 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 3.0 μg/m3 (13) 33.0
 
Sept. 13, 2021, 8 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 3.4 μg/m3 (15) 35.0
 
Sept. 13, 2021, 7 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 3.5 μg/m3 (15) 35.0
 
Sept. 13, 2021, 6 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 4.8 μg/m3 (20) 34.0
 
Sept. 13, 2021, 5 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 6.0 μg/m3 (25) 34.0
 
Sept. 13, 2021, 4 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 6.5 μg/m3 (28) 34.0
 
Sept. 13, 2021, 3 a.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 8.7 μg/m3 (37) 37.0
 
Sept. 13, 2021, 2 a.m. N/A 0.0 ppb (0) 1.3 ppb (2) N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 9.3 μg/m3 (39) 39.0
 
Sept. 13, 2021, 1 a.m. N/A 0.0 ppb (0) 1.4 ppb (2) N/A N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 9.5 μg/m3 (40) 40.0
 
Sept. 13, 2021, midnight N/A 0.0 ppb (0) 1.4 ppb (2) N/A N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 9.7 μg/m3 (41) 41.0
 
Sept. 12, 2021, 11 p.m. N/A 0.0 ppb (0) 1.2 ppb (2) N/A N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 9.0 μg/m3 (38) 43.0
 
Sept. 12, 2021, 10 p.m. N/A 0.0 ppb (0) 1.2 ppb (2) N/A N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 8.0 μg/m3 (34) 44.0