AQSQID: 230090103

Site Name: Acadia Np - Mcfarland

Location: Bar Harbor (Eagle Lake Rd), ME

Reporting: True, Located: True

Current AQI: 32.0

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
March 28, 2020, 10 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 1.0 μg/m3 (4) 32.0
 
March 28, 2020, 9 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 1.0 μg/m3 (4) 28.0
 
March 28, 2020, 8 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 1.0 μg/m3 (4) 28.0
 
March 28, 2020, 7 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 1.0 μg/m3 (4) 28.0
 
March 28, 2020, 6 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 1.0 μg/m3 (4) 29.0
 
March 28, 2020, 5 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 1.0 μg/m3 (4) 28.0
 
March 28, 2020, 4 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 1.0 μg/m3 (4) 29.0
 
March 28, 2020, 3 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 1.4 μg/m3 (6) 28.0
 
March 28, 2020, 2 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 1.9 μg/m3 (8) 28.0
 
March 28, 2020, 1 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 1.9 μg/m3 (8) 29.0
 
March 28, 2020, midnight N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 1.5 μg/m3 (6) 31.0
 
March 27, 2020, 11 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 1.1 μg/m3 (5) 32.0
 
March 27, 2020, 10 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 0.8 μg/m3 (3) 35.0
 
March 27, 2020, 9 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A 0.8 μg/m3 (3) 37.0
 
March 27, 2020, 8 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 49.0 ppb (38) N/A N/A 0.8 μg/m3 (3) 38.0
 
March 27, 2020, 7 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 49.0 ppb (38) N/A N/A 0.9 μg/m3 (4) 38.0
 
March 27, 2020, 6 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 51.0 ppb (39) N/A N/A 1.1 μg/m3 (5) 39.0
 
March 27, 2020, 5 p.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A 1.1 μg/m3 (5) 36.0
 
March 27, 2020, 4 p.m. N/A 0.1 ppb (0) 1.1 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 0.8 μg/m3 (3) 32.0
 
March 27, 2020, 3 p.m. N/A 0.1 ppb (0) 1.3 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 1.2 μg/m3 (5) 31.0
 
March 27, 2020, 2 p.m. N/A 0.1 ppb (0) 1.5 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 2.4 μg/m3 (10) 32.0
 
March 27, 2020, 1 p.m. N/A 0.1 ppb (0) 1.4 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 3.2 μg/m3 (13) 31.0
 
March 27, 2020, noon N/A 0.7 ppb (1) 3.7 ppb (3) N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 3.4 μg/m3 (14) 32.0
 
March 27, 2020, 11 a.m. N/A 0.1 ppb (0) 1.3 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 3.1 μg/m3 (13) 34.0
 
March 27, 2020, 10 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 3.1 μg/m3 (13) 32.0
 
March 27, 2020, 9 a.m. N/A 0.0 ppb (0) 1.6 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 4.8 μg/m3 (20) 32.0
 
March 27, 2020, 8 a.m. N/A 0.0 ppb (0) 1.8 ppb (2) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 4.4 μg/m3 (18) 32.0
 
March 27, 2020, 7 a.m. N/A 0.0 ppb (0) 1.4 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 3.4 μg/m3 (14) 32.0
 
March 27, 2020, 6 a.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A 2.6 μg/m3 (11) 33.0
 
March 27, 2020, 5 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 1.9 μg/m3 (8) 34.0
 
March 27, 2020, 4 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 2.0 μg/m3 (8) 35.0
 
March 27, 2020, 3 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 2.3 μg/m3 (10) 35.0
 
March 27, 2020, 2 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 3.1 μg/m3 (13) 34.0
 
March 27, 2020, 1 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A 2.1 μg/m3 (9) 37.0
 
March 27, 2020, midnight N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 1.8 μg/m3 (8) 35.0
 
March 26, 2020, 11 p.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 1.8 μg/m3 (8) 35.0
 
March 26, 2020, 10 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A 1.4 μg/m3 (6) 36.0
 
March 26, 2020, 9 p.m. N/A 0.1 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A 1.3 μg/m3 (5) 37.0
 
March 26, 2020, 8 p.m. N/A 0.1 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 49.0 ppb (38) N/A N/A 1.3 μg/m3 (5) 38.0
 
March 26, 2020, 7 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 49.0 ppb (38) N/A N/A N/A 38.0
 
March 26, 2020, 6 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A N/A 37.0
 
March 26, 2020, 5 p.m. N/A 0.1 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A 1.6 μg/m3 (7) 37.0
 
March 26, 2020, 4 p.m. N/A 0.1 ppb (0) 1.1 ppb (1) N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A 1.7 μg/m3 (7) 36.0
 
March 26, 2020, 3 p.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A 1.8 μg/m3 (8) 36.0
 
March 26, 2020, 2 p.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 2.4 μg/m3 (10) 34.0
 
March 26, 2020, 1 p.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A 2.9 μg/m3 (12) 33.0
 
March 26, 2020, noon N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 2.8 μg/m3 (12) 34.0
 
March 26, 2020, 11 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 2.6 μg/m3 (11) 32.0
 
March 26, 2020, 10 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 2.6 μg/m3 (11) 32.0
 
March 26, 2020, 9 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 2.6 μg/m3 (11) 31.0
 
March 26, 2020, 8 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 2.6 μg/m3 (11) 31.0
 
March 26, 2020, 7 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 2.7 μg/m3 (11) 29.0
 
March 26, 2020, 6 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 2.5 μg/m3 (10) 32.0
 
March 26, 2020, 5 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 2.6 μg/m3 (11) 30.0
 
March 26, 2020, 4 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 2.7 μg/m3 (11) 29.0
 
March 26, 2020, 3 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 2.5 μg/m3 (10) 31.0
 
March 26, 2020, 2 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 2.6 μg/m3 (11) 32.0
 
March 26, 2020, 1 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 2.6 μg/m3 (11) 34.0
 
March 26, 2020, midnight N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 2.6 μg/m3 (11) 35.0
 
March 25, 2020, 11 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A 2.5 μg/m3 (10) 33.0
 
March 25, 2020, 10 p.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 2.6 μg/m3 (11) 34.0
 
March 25, 2020, 9 p.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 2.6 μg/m3 (11) 34.0
 
March 25, 2020, 8 p.m. N/A 0.0 ppb (0) 1.1 ppb (1) N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 2.8 μg/m3 (12) 35.0
 
March 25, 2020, 7 p.m. N/A 0.1 ppb (0) 1.5 ppb (1) N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 3.1 μg/m3 (13) 35.0
 
March 25, 2020, 6 p.m. N/A 0.1 ppb (0) 1.6 ppb (1) N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A 3.8 μg/m3 (16) 36.0
 
March 25, 2020, 5 p.m. N/A 0.1 ppb (0) 1.3 ppb (1) N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 3.5 μg/m3 (15) 35.0
 
March 25, 2020, 4 p.m. N/A 0.1 ppb (0) 1.4 ppb (1) N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 3.6 μg/m3 (15) 35.0
 
March 25, 2020, 3 p.m. N/A 0.1 ppb (0) 1.2 ppb (1) N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 3.5 μg/m3 (15) 35.0
 
March 25, 2020, 2 p.m. N/A 0.1 ppb (0) 1.2 ppb (1) N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 3.1 μg/m3 (13) 35.0
 
March 25, 2020, 1 p.m. N/A 0.2 ppb (0) 1.5 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 3.1 μg/m3 (13) 32.0
 
March 25, 2020, noon N/A 0.1 ppb (0) 1.1 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 2.9 μg/m3 (12) 32.0
 
March 25, 2020, 11 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 2.9 μg/m3 (12) 28.0
 
March 25, 2020, 10 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 2.8 μg/m3 (12) 29.0
 
March 25, 2020, 9 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 2.8 μg/m3 (12) 28.0
 
March 25, 2020, 8 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 2.8 μg/m3 (12) 28.0
 
March 25, 2020, 7 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 2.7 μg/m3 (11) 30.0
 
March 25, 2020, 6 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 2.7 μg/m3 (11) 30.0
 
March 25, 2020, 5 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 2.6 μg/m3 (11) 32.0
 
March 25, 2020, 4 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 2.5 μg/m3 (10) 31.0
 
March 25, 2020, 3 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 2.3 μg/m3 (10) 32.0
 
March 25, 2020, 2 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A 2.2 μg/m3 (9) 33.0
 
March 25, 2020, 1 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 1.9 μg/m3 (8) 32.0
 
March 25, 2020, midnight N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 1.7 μg/m3 (7) 32.0
 
March 24, 2020, 11 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 1.7 μg/m3 (7) 31.0
 
March 24, 2020, 10 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 1.7 μg/m3 (7) 32.0
 
March 24, 2020, 9 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 1.7 μg/m3 (7) 32.0
 
March 24, 2020, 8 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 1.6 μg/m3 (7) 32.0
 
March 24, 2020, 7 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 1.7 μg/m3 (7) 32.0
 
March 24, 2020, 6 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 1.9 μg/m3 (8) 32.0
 
March 24, 2020, 5 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 1.7 μg/m3 (7) 32.0
 
March 24, 2020, 4 p.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 N/A 1.0
 
March 24, 2020, 3 p.m. N/A 0.1 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 1.1 μg/m3 (5) 30.0
 
March 24, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 1.4 μg/m3 (6) 28.0
 
March 24, 2020, 1 p.m. N/A 0.1 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 1.1 μg/m3 (5) 26.0
 
March 24, 2020, noon N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 0.3 μg/m3 (1) 25.0
 
March 24, 2020, 11 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 0.0 μg/m3 (0) 25.0
 
March 24, 2020, 10 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) N/A N/A N/A -0.1 μg/m3 (0) N/A
March 24, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A -0.1 μg/m3 (0) 31.0
 
March 24, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A -0.1 μg/m3 (0) 31.0
 
March 24, 2020, 7 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A -0.1 μg/m3 (0) 32.0
 
March 24, 2020, 6 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A -0.1 μg/m3 (0) 33.0
 
March 24, 2020, 5 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A -0.1 μg/m3 (0) 33.0
 
March 24, 2020, 4 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 0.0 μg/m3 (0) 35.0
 
March 24, 2020, 3 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 0.5 μg/m3 (2) 35.0
 
March 24, 2020, 2 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 0.9 μg/m3 (4) 35.0
 
March 24, 2020, 1 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 1.5 μg/m3 (6) 34.0
 
March 24, 2020, midnight N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 3.7 μg/m3 (15) 35.0
 
March 23, 2020, 11 p.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 3.6 μg/m3 (15) 35.0
 
March 23, 2020, 10 p.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 3.1 μg/m3 (13) 35.0
 
March 23, 2020, 9 p.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 2.8 μg/m3 (12) 35.0
 
March 23, 2020, 8 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 2.5 μg/m3 (10) 35.0
 
March 23, 2020, 7 p.m. N/A 0.1 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A 2.1 μg/m3 (9) 36.0
 
March 23, 2020, 6 p.m. N/A 0.1 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A 2.1 μg/m3 (9) 36.0
 
March 23, 2020, 5 p.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A 2.1 μg/m3 (9) 37.0
 
March 23, 2020, 4 p.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A 2.2 μg/m3 (9) 37.0
 
March 23, 2020, 3 p.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A 1.9 μg/m3 (8) 37.0
 
March 23, 2020, 2 p.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A 2.1 μg/m3 (9) 36.0
 
March 23, 2020, 1 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A 2.0 μg/m3 (8) 37.0
 
March 23, 2020, noon N/A 0.2 ppb (0) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 2.3 μg/m3 (10) 28.0
 
March 23, 2020, 11 a.m. N/A 0.1 ppb (0) 1.3 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 2.3 μg/m3 (10) 29.0
 
March 23, 2020, 10 a.m. N/A 0.0 ppb (0) 1.2 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 2.5 μg/m3 (10) 31.0
 
March 23, 2020, 9 a.m. N/A 0.0 ppb (0) 1.1 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 2.6 μg/m3 (11) 30.0
 
March 23, 2020, 8 a.m. N/A 0.0 ppb (0) 1.1 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 2.4 μg/m3 (10) 30.0
 
March 23, 2020, 7 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 2.1 μg/m3 (9) 32.0
 
March 23, 2020, 6 a.m. N/A 0.0 ppb (0) 1.1 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 1.8 μg/m3 (8) 34.0
 
March 23, 2020, 5 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 1.8 μg/m3 (8) 34.0
 
March 23, 2020, 4 a.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 2.2 μg/m3 (9) 32.0
 
March 23, 2020, 3 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 2.0 μg/m3 (8) 32.0
 
March 23, 2020, 2 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A 1.7 μg/m3 (7) 33.0
 
March 23, 2020, 1 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A 1.7 μg/m3 (7) 33.0
 
March 23, 2020, midnight N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A 1.9 μg/m3 (8) 33.0
 
March 22, 2020, 11 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A 1.9 μg/m3 (8) 33.0
 
March 22, 2020, 10 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A 1.9 μg/m3 (8) 33.0
 
March 22, 2020, 9 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 1.9 μg/m3 (8) 35.0
 
March 22, 2020, 8 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 2.0 μg/m3 (8) 34.0
 
March 22, 2020, 7 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 2.0 μg/m3 (8) 34.0
 
March 22, 2020, 6 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 1.9 μg/m3 (8) 34.0
 
March 22, 2020, 5 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A 1.7 μg/m3 (7) 33.0
 
March 22, 2020, 4 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A 1.8 μg/m3 (8) 33.0
 
March 22, 2020, 3 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 2.4 μg/m3 (10) 32.0
 
March 22, 2020, 2 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 2.3 μg/m3 (10) 32.0
 
March 22, 2020, 1 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 1.9 μg/m3 (8) 32.0
 
March 22, 2020, noon N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 1.6 μg/m3 (7) 32.0
 
March 22, 2020, 11 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A 1.6 μg/m3 (7) 33.0
 
March 22, 2020, 10 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 1.6 μg/m3 (7) 32.0
 
March 22, 2020, 9 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 1.6 μg/m3 (7) 32.0
 
March 22, 2020, 8 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 1.8 μg/m3 (8) 31.0
 
March 22, 2020, 7 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 1.8 μg/m3 (8) 30.0
 
March 22, 2020, 6 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 1.9 μg/m3 (8) 30.0
 
March 22, 2020, 5 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 1.9 μg/m3 (8) 32.0
 
March 22, 2020, 4 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 1.9 μg/m3 (8) 32.0
 
March 22, 2020, 3 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 1.7 μg/m3 (7) 31.0
 
March 22, 2020, 2 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 1.7 μg/m3 (7) 32.0
 
March 22, 2020, 1 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 1.8 μg/m3 (8) 32.0
 
March 22, 2020, midnight N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 2.1 μg/m3 (9) 34.0
 
March 21, 2020, 11 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A 2.2 μg/m3 (9) 33.0
 
March 21, 2020, 10 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A 2.5 μg/m3 (10) 33.0
 
March 21, 2020, 9 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 2.6 μg/m3 (11) 35.0
 
March 21, 2020, 8 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 3.5 μg/m3 (15) 35.0
 
March 21, 2020, 7 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A 3.5 μg/m3 (15) 36.0
 
March 21, 2020, 6 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 3.4 μg/m3 (14) 35.0
 
March 21, 2020, 5 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 2.5 μg/m3 (10) 35.0
 
March 21, 2020, 4 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 2.2 μg/m3 (9) 35.0
 
March 21, 2020, 3 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 1.8 μg/m3 (8) 34.0
 
March 21, 2020, 2 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 1.8 μg/m3 (8) 32.0
 
March 21, 2020, 1 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 1.9 μg/m3 (8) 32.0
 
March 21, 2020, noon N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 1.9 μg/m3 (8) 32.0
 
March 21, 2020, 11 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 1.8 μg/m3 (8) 30.0